File: | llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp |
Warning: | line 11140, column 11 Called C++ object pointer is null |
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1 | //===- ARMAsmParser.cpp - Parse ARM assembly to MCInst instructions -------===// | ||||||||
2 | // | ||||||||
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | ||||||||
4 | // See https://llvm.org/LICENSE.txt for license information. | ||||||||
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||||||||
6 | // | ||||||||
7 | //===----------------------------------------------------------------------===// | ||||||||
8 | |||||||||
9 | #include "ARMFeatures.h" | ||||||||
10 | #include "ARMBaseInstrInfo.h" | ||||||||
11 | #include "Utils/ARMBaseInfo.h" | ||||||||
12 | #include "MCTargetDesc/ARMAddressingModes.h" | ||||||||
13 | #include "MCTargetDesc/ARMBaseInfo.h" | ||||||||
14 | #include "MCTargetDesc/ARMInstPrinter.h" | ||||||||
15 | #include "MCTargetDesc/ARMMCExpr.h" | ||||||||
16 | #include "MCTargetDesc/ARMMCTargetDesc.h" | ||||||||
17 | #include "TargetInfo/ARMTargetInfo.h" | ||||||||
18 | #include "llvm/ADT/APFloat.h" | ||||||||
19 | #include "llvm/ADT/APInt.h" | ||||||||
20 | #include "llvm/ADT/None.h" | ||||||||
21 | #include "llvm/ADT/STLExtras.h" | ||||||||
22 | #include "llvm/ADT/SmallSet.h" | ||||||||
23 | #include "llvm/ADT/SmallVector.h" | ||||||||
24 | #include "llvm/ADT/StringMap.h" | ||||||||
25 | #include "llvm/ADT/StringSet.h" | ||||||||
26 | #include "llvm/ADT/StringRef.h" | ||||||||
27 | #include "llvm/ADT/StringSwitch.h" | ||||||||
28 | #include "llvm/ADT/Triple.h" | ||||||||
29 | #include "llvm/ADT/Twine.h" | ||||||||
30 | #include "llvm/MC/MCContext.h" | ||||||||
31 | #include "llvm/MC/MCExpr.h" | ||||||||
32 | #include "llvm/MC/MCInst.h" | ||||||||
33 | #include "llvm/MC/MCInstrDesc.h" | ||||||||
34 | #include "llvm/MC/MCInstrInfo.h" | ||||||||
35 | #include "llvm/MC/MCObjectFileInfo.h" | ||||||||
36 | #include "llvm/MC/MCParser/MCAsmLexer.h" | ||||||||
37 | #include "llvm/MC/MCParser/MCAsmParser.h" | ||||||||
38 | #include "llvm/MC/MCParser/MCAsmParserExtension.h" | ||||||||
39 | #include "llvm/MC/MCParser/MCAsmParserUtils.h" | ||||||||
40 | #include "llvm/MC/MCParser/MCParsedAsmOperand.h" | ||||||||
41 | #include "llvm/MC/MCParser/MCTargetAsmParser.h" | ||||||||
42 | #include "llvm/MC/MCRegisterInfo.h" | ||||||||
43 | #include "llvm/MC/MCSection.h" | ||||||||
44 | #include "llvm/MC/MCStreamer.h" | ||||||||
45 | #include "llvm/MC/MCSubtargetInfo.h" | ||||||||
46 | #include "llvm/MC/MCSymbol.h" | ||||||||
47 | #include "llvm/MC/SubtargetFeature.h" | ||||||||
48 | #include "llvm/Support/ARMBuildAttributes.h" | ||||||||
49 | #include "llvm/Support/ARMEHABI.h" | ||||||||
50 | #include "llvm/Support/Casting.h" | ||||||||
51 | #include "llvm/Support/CommandLine.h" | ||||||||
52 | #include "llvm/Support/Compiler.h" | ||||||||
53 | #include "llvm/Support/ErrorHandling.h" | ||||||||
54 | #include "llvm/Support/MathExtras.h" | ||||||||
55 | #include "llvm/Support/SMLoc.h" | ||||||||
56 | #include "llvm/Support/TargetParser.h" | ||||||||
57 | #include "llvm/Support/TargetRegistry.h" | ||||||||
58 | #include "llvm/Support/raw_ostream.h" | ||||||||
59 | #include <algorithm> | ||||||||
60 | #include <cassert> | ||||||||
61 | #include <cstddef> | ||||||||
62 | #include <cstdint> | ||||||||
63 | #include <iterator> | ||||||||
64 | #include <limits> | ||||||||
65 | #include <memory> | ||||||||
66 | #include <string> | ||||||||
67 | #include <utility> | ||||||||
68 | #include <vector> | ||||||||
69 | |||||||||
70 | #define DEBUG_TYPE"asm-parser" "asm-parser" | ||||||||
71 | |||||||||
72 | using namespace llvm; | ||||||||
73 | |||||||||
74 | namespace llvm { | ||||||||
75 | extern const MCInstrDesc ARMInsts[]; | ||||||||
76 | } // end namespace llvm | ||||||||
77 | |||||||||
78 | namespace { | ||||||||
79 | |||||||||
80 | enum class ImplicitItModeTy { Always, Never, ARMOnly, ThumbOnly }; | ||||||||
81 | |||||||||
82 | static cl::opt<ImplicitItModeTy> ImplicitItMode( | ||||||||
83 | "arm-implicit-it", cl::init(ImplicitItModeTy::ARMOnly), | ||||||||
84 | cl::desc("Allow conditional instructions outdside of an IT block"), | ||||||||
85 | cl::values(clEnumValN(ImplicitItModeTy::Always, "always",llvm::cl::OptionEnumValue { "always", int(ImplicitItModeTy::Always ), "Accept in both ISAs, emit implicit ITs in Thumb" } | ||||||||
86 | "Accept in both ISAs, emit implicit ITs in Thumb")llvm::cl::OptionEnumValue { "always", int(ImplicitItModeTy::Always ), "Accept in both ISAs, emit implicit ITs in Thumb" }, | ||||||||
87 | clEnumValN(ImplicitItModeTy::Never, "never",llvm::cl::OptionEnumValue { "never", int(ImplicitItModeTy::Never ), "Warn in ARM, reject in Thumb" } | ||||||||
88 | "Warn in ARM, reject in Thumb")llvm::cl::OptionEnumValue { "never", int(ImplicitItModeTy::Never ), "Warn in ARM, reject in Thumb" }, | ||||||||
89 | clEnumValN(ImplicitItModeTy::ARMOnly, "arm",llvm::cl::OptionEnumValue { "arm", int(ImplicitItModeTy::ARMOnly ), "Accept in ARM, reject in Thumb" } | ||||||||
90 | "Accept in ARM, reject in Thumb")llvm::cl::OptionEnumValue { "arm", int(ImplicitItModeTy::ARMOnly ), "Accept in ARM, reject in Thumb" }, | ||||||||
91 | clEnumValN(ImplicitItModeTy::ThumbOnly, "thumb",llvm::cl::OptionEnumValue { "thumb", int(ImplicitItModeTy::ThumbOnly ), "Warn in ARM, emit implicit ITs in Thumb" } | ||||||||
92 | "Warn in ARM, emit implicit ITs in Thumb")llvm::cl::OptionEnumValue { "thumb", int(ImplicitItModeTy::ThumbOnly ), "Warn in ARM, emit implicit ITs in Thumb" })); | ||||||||
93 | |||||||||
94 | static cl::opt<bool> AddBuildAttributes("arm-add-build-attributes", | ||||||||
95 | cl::init(false)); | ||||||||
96 | |||||||||
97 | enum VectorLaneTy { NoLanes, AllLanes, IndexedLane }; | ||||||||
98 | |||||||||
99 | static inline unsigned extractITMaskBit(unsigned Mask, unsigned Position) { | ||||||||
100 | // Position==0 means we're not in an IT block at all. Position==1 | ||||||||
101 | // means we want the first state bit, which is always 0 (Then). | ||||||||
102 | // Position==2 means we want the second state bit, stored at bit 3 | ||||||||
103 | // of Mask, and so on downwards. So (5 - Position) will shift the | ||||||||
104 | // right bit down to bit 0, including the always-0 bit at bit 4 for | ||||||||
105 | // the mandatory initial Then. | ||||||||
106 | return (Mask >> (5 - Position) & 1); | ||||||||
107 | } | ||||||||
108 | |||||||||
109 | class UnwindContext { | ||||||||
110 | using Locs = SmallVector<SMLoc, 4>; | ||||||||
111 | |||||||||
112 | MCAsmParser &Parser; | ||||||||
113 | Locs FnStartLocs; | ||||||||
114 | Locs CantUnwindLocs; | ||||||||
115 | Locs PersonalityLocs; | ||||||||
116 | Locs PersonalityIndexLocs; | ||||||||
117 | Locs HandlerDataLocs; | ||||||||
118 | int FPReg; | ||||||||
119 | |||||||||
120 | public: | ||||||||
121 | UnwindContext(MCAsmParser &P) : Parser(P), FPReg(ARM::SP) {} | ||||||||
122 | |||||||||
123 | bool hasFnStart() const { return !FnStartLocs.empty(); } | ||||||||
124 | bool cantUnwind() const { return !CantUnwindLocs.empty(); } | ||||||||
125 | bool hasHandlerData() const { return !HandlerDataLocs.empty(); } | ||||||||
126 | |||||||||
127 | bool hasPersonality() const { | ||||||||
128 | return !(PersonalityLocs.empty() && PersonalityIndexLocs.empty()); | ||||||||
129 | } | ||||||||
130 | |||||||||
131 | void recordFnStart(SMLoc L) { FnStartLocs.push_back(L); } | ||||||||
132 | void recordCantUnwind(SMLoc L) { CantUnwindLocs.push_back(L); } | ||||||||
133 | void recordPersonality(SMLoc L) { PersonalityLocs.push_back(L); } | ||||||||
134 | void recordHandlerData(SMLoc L) { HandlerDataLocs.push_back(L); } | ||||||||
135 | void recordPersonalityIndex(SMLoc L) { PersonalityIndexLocs.push_back(L); } | ||||||||
136 | |||||||||
137 | void saveFPReg(int Reg) { FPReg = Reg; } | ||||||||
138 | int getFPReg() const { return FPReg; } | ||||||||
139 | |||||||||
140 | void emitFnStartLocNotes() const { | ||||||||
141 | for (Locs::const_iterator FI = FnStartLocs.begin(), FE = FnStartLocs.end(); | ||||||||
142 | FI != FE; ++FI) | ||||||||
143 | Parser.Note(*FI, ".fnstart was specified here"); | ||||||||
144 | } | ||||||||
145 | |||||||||
146 | void emitCantUnwindLocNotes() const { | ||||||||
147 | for (Locs::const_iterator UI = CantUnwindLocs.begin(), | ||||||||
148 | UE = CantUnwindLocs.end(); UI != UE; ++UI) | ||||||||
149 | Parser.Note(*UI, ".cantunwind was specified here"); | ||||||||
150 | } | ||||||||
151 | |||||||||
152 | void emitHandlerDataLocNotes() const { | ||||||||
153 | for (Locs::const_iterator HI = HandlerDataLocs.begin(), | ||||||||
154 | HE = HandlerDataLocs.end(); HI != HE; ++HI) | ||||||||
155 | Parser.Note(*HI, ".handlerdata was specified here"); | ||||||||
156 | } | ||||||||
157 | |||||||||
158 | void emitPersonalityLocNotes() const { | ||||||||
159 | for (Locs::const_iterator PI = PersonalityLocs.begin(), | ||||||||
160 | PE = PersonalityLocs.end(), | ||||||||
161 | PII = PersonalityIndexLocs.begin(), | ||||||||
162 | PIE = PersonalityIndexLocs.end(); | ||||||||
163 | PI != PE || PII != PIE;) { | ||||||||
164 | if (PI != PE && (PII == PIE || PI->getPointer() < PII->getPointer())) | ||||||||
165 | Parser.Note(*PI++, ".personality was specified here"); | ||||||||
166 | else if (PII != PIE && (PI == PE || PII->getPointer() < PI->getPointer())) | ||||||||
167 | Parser.Note(*PII++, ".personalityindex was specified here"); | ||||||||
168 | else | ||||||||
169 | llvm_unreachable(".personality and .personalityindex cannot be "::llvm::llvm_unreachable_internal(".personality and .personalityindex cannot be " "at the same location", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 170) | ||||||||
170 | "at the same location")::llvm::llvm_unreachable_internal(".personality and .personalityindex cannot be " "at the same location", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 170); | ||||||||
171 | } | ||||||||
172 | } | ||||||||
173 | |||||||||
174 | void reset() { | ||||||||
175 | FnStartLocs = Locs(); | ||||||||
176 | CantUnwindLocs = Locs(); | ||||||||
177 | PersonalityLocs = Locs(); | ||||||||
178 | HandlerDataLocs = Locs(); | ||||||||
179 | PersonalityIndexLocs = Locs(); | ||||||||
180 | FPReg = ARM::SP; | ||||||||
181 | } | ||||||||
182 | }; | ||||||||
183 | |||||||||
184 | // Various sets of ARM instruction mnemonics which are used by the asm parser | ||||||||
185 | class ARMMnemonicSets { | ||||||||
186 | StringSet<> CDE; | ||||||||
187 | StringSet<> CDEWithVPTSuffix; | ||||||||
188 | public: | ||||||||
189 | ARMMnemonicSets(const MCSubtargetInfo &STI); | ||||||||
190 | |||||||||
191 | /// Returns true iff a given mnemonic is a CDE instruction | ||||||||
192 | bool isCDEInstr(StringRef Mnemonic) { | ||||||||
193 | // Quick check before searching the set | ||||||||
194 | if (!Mnemonic.startswith("cx") && !Mnemonic.startswith("vcx")) | ||||||||
195 | return false; | ||||||||
196 | return CDE.count(Mnemonic); | ||||||||
197 | } | ||||||||
198 | |||||||||
199 | /// Returns true iff a given mnemonic is a VPT-predicable CDE instruction | ||||||||
200 | /// (possibly with a predication suffix "e" or "t") | ||||||||
201 | bool isVPTPredicableCDEInstr(StringRef Mnemonic) { | ||||||||
202 | if (!Mnemonic.startswith("vcx")) | ||||||||
203 | return false; | ||||||||
204 | return CDEWithVPTSuffix.count(Mnemonic); | ||||||||
205 | } | ||||||||
206 | |||||||||
207 | /// Returns true iff a given mnemonic is an IT-predicable CDE instruction | ||||||||
208 | /// (possibly with a condition suffix) | ||||||||
209 | bool isITPredicableCDEInstr(StringRef Mnemonic) { | ||||||||
210 | if (!Mnemonic.startswith("cx")) | ||||||||
211 | return false; | ||||||||
212 | return Mnemonic.startswith("cx1a") || Mnemonic.startswith("cx1da") || | ||||||||
213 | Mnemonic.startswith("cx2a") || Mnemonic.startswith("cx2da") || | ||||||||
214 | Mnemonic.startswith("cx3a") || Mnemonic.startswith("cx3da"); | ||||||||
215 | } | ||||||||
216 | |||||||||
217 | /// Return true iff a given mnemonic is an integer CDE instruction with | ||||||||
218 | /// dual-register destination | ||||||||
219 | bool isCDEDualRegInstr(StringRef Mnemonic) { | ||||||||
220 | if (!Mnemonic.startswith("cx")) | ||||||||
221 | return false; | ||||||||
222 | return Mnemonic == "cx1d" || Mnemonic == "cx1da" || | ||||||||
223 | Mnemonic == "cx2d" || Mnemonic == "cx2da" || | ||||||||
224 | Mnemonic == "cx3d" || Mnemonic == "cx3da"; | ||||||||
225 | } | ||||||||
226 | }; | ||||||||
227 | |||||||||
228 | ARMMnemonicSets::ARMMnemonicSets(const MCSubtargetInfo &STI) { | ||||||||
229 | for (StringRef Mnemonic: { "cx1", "cx1a", "cx1d", "cx1da", | ||||||||
230 | "cx2", "cx2a", "cx2d", "cx2da", | ||||||||
231 | "cx3", "cx3a", "cx3d", "cx3da", }) | ||||||||
232 | CDE.insert(Mnemonic); | ||||||||
233 | for (StringRef Mnemonic : | ||||||||
234 | {"vcx1", "vcx1a", "vcx2", "vcx2a", "vcx3", "vcx3a"}) { | ||||||||
235 | CDE.insert(Mnemonic); | ||||||||
236 | CDEWithVPTSuffix.insert(Mnemonic); | ||||||||
237 | CDEWithVPTSuffix.insert(std::string(Mnemonic) + "t"); | ||||||||
238 | CDEWithVPTSuffix.insert(std::string(Mnemonic) + "e"); | ||||||||
239 | } | ||||||||
240 | } | ||||||||
241 | |||||||||
242 | class ARMAsmParser : public MCTargetAsmParser { | ||||||||
243 | const MCRegisterInfo *MRI; | ||||||||
244 | UnwindContext UC; | ||||||||
245 | ARMMnemonicSets MS; | ||||||||
246 | |||||||||
247 | ARMTargetStreamer &getTargetStreamer() { | ||||||||
248 | assert(getParser().getStreamer().getTargetStreamer() &&((getParser().getStreamer().getTargetStreamer() && "do not have a target streamer" ) ? static_cast<void> (0) : __assert_fail ("getParser().getStreamer().getTargetStreamer() && \"do not have a target streamer\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 249, __PRETTY_FUNCTION__)) | ||||||||
249 | "do not have a target streamer")((getParser().getStreamer().getTargetStreamer() && "do not have a target streamer" ) ? static_cast<void> (0) : __assert_fail ("getParser().getStreamer().getTargetStreamer() && \"do not have a target streamer\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 249, __PRETTY_FUNCTION__)); | ||||||||
250 | MCTargetStreamer &TS = *getParser().getStreamer().getTargetStreamer(); | ||||||||
251 | return static_cast<ARMTargetStreamer &>(TS); | ||||||||
252 | } | ||||||||
253 | |||||||||
254 | // Map of register aliases registers via the .req directive. | ||||||||
255 | StringMap<unsigned> RegisterReqs; | ||||||||
256 | |||||||||
257 | bool NextSymbolIsThumb; | ||||||||
258 | |||||||||
259 | bool useImplicitITThumb() const { | ||||||||
260 | return ImplicitItMode == ImplicitItModeTy::Always || | ||||||||
261 | ImplicitItMode == ImplicitItModeTy::ThumbOnly; | ||||||||
262 | } | ||||||||
263 | |||||||||
264 | bool useImplicitITARM() const { | ||||||||
265 | return ImplicitItMode == ImplicitItModeTy::Always || | ||||||||
266 | ImplicitItMode == ImplicitItModeTy::ARMOnly; | ||||||||
267 | } | ||||||||
268 | |||||||||
269 | struct { | ||||||||
270 | ARMCC::CondCodes Cond; // Condition for IT block. | ||||||||
271 | unsigned Mask:4; // Condition mask for instructions. | ||||||||
272 | // Starting at first 1 (from lsb). | ||||||||
273 | // '1' condition as indicated in IT. | ||||||||
274 | // '0' inverse of condition (else). | ||||||||
275 | // Count of instructions in IT block is | ||||||||
276 | // 4 - trailingzeroes(mask) | ||||||||
277 | // Note that this does not have the same encoding | ||||||||
278 | // as in the IT instruction, which also depends | ||||||||
279 | // on the low bit of the condition code. | ||||||||
280 | |||||||||
281 | unsigned CurPosition; // Current position in parsing of IT | ||||||||
282 | // block. In range [0,4], with 0 being the IT | ||||||||
283 | // instruction itself. Initialized according to | ||||||||
284 | // count of instructions in block. ~0U if no | ||||||||
285 | // active IT block. | ||||||||
286 | |||||||||
287 | bool IsExplicit; // true - The IT instruction was present in the | ||||||||
288 | // input, we should not modify it. | ||||||||
289 | // false - The IT instruction was added | ||||||||
290 | // implicitly, we can extend it if that | ||||||||
291 | // would be legal. | ||||||||
292 | } ITState; | ||||||||
293 | |||||||||
294 | SmallVector<MCInst, 4> PendingConditionalInsts; | ||||||||
295 | |||||||||
296 | void flushPendingInstructions(MCStreamer &Out) override { | ||||||||
297 | if (!inImplicitITBlock()) { | ||||||||
298 | assert(PendingConditionalInsts.size() == 0)((PendingConditionalInsts.size() == 0) ? static_cast<void> (0) : __assert_fail ("PendingConditionalInsts.size() == 0", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 298, __PRETTY_FUNCTION__)); | ||||||||
299 | return; | ||||||||
300 | } | ||||||||
301 | |||||||||
302 | // Emit the IT instruction | ||||||||
303 | MCInst ITInst; | ||||||||
304 | ITInst.setOpcode(ARM::t2IT); | ||||||||
305 | ITInst.addOperand(MCOperand::createImm(ITState.Cond)); | ||||||||
306 | ITInst.addOperand(MCOperand::createImm(ITState.Mask)); | ||||||||
307 | Out.emitInstruction(ITInst, getSTI()); | ||||||||
308 | |||||||||
309 | // Emit the conditonal instructions | ||||||||
310 | assert(PendingConditionalInsts.size() <= 4)((PendingConditionalInsts.size() <= 4) ? static_cast<void > (0) : __assert_fail ("PendingConditionalInsts.size() <= 4" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 310, __PRETTY_FUNCTION__)); | ||||||||
311 | for (const MCInst &Inst : PendingConditionalInsts) { | ||||||||
312 | Out.emitInstruction(Inst, getSTI()); | ||||||||
313 | } | ||||||||
314 | PendingConditionalInsts.clear(); | ||||||||
315 | |||||||||
316 | // Clear the IT state | ||||||||
317 | ITState.Mask = 0; | ||||||||
318 | ITState.CurPosition = ~0U; | ||||||||
319 | } | ||||||||
320 | |||||||||
321 | bool inITBlock() { return ITState.CurPosition != ~0U; } | ||||||||
322 | bool inExplicitITBlock() { return inITBlock() && ITState.IsExplicit; } | ||||||||
323 | bool inImplicitITBlock() { return inITBlock() && !ITState.IsExplicit; } | ||||||||
324 | |||||||||
325 | bool lastInITBlock() { | ||||||||
326 | return ITState.CurPosition == 4 - countTrailingZeros(ITState.Mask); | ||||||||
327 | } | ||||||||
328 | |||||||||
329 | void forwardITPosition() { | ||||||||
330 | if (!inITBlock()) return; | ||||||||
331 | // Move to the next instruction in the IT block, if there is one. If not, | ||||||||
332 | // mark the block as done, except for implicit IT blocks, which we leave | ||||||||
333 | // open until we find an instruction that can't be added to it. | ||||||||
334 | unsigned TZ = countTrailingZeros(ITState.Mask); | ||||||||
335 | if (++ITState.CurPosition == 5 - TZ && ITState.IsExplicit) | ||||||||
336 | ITState.CurPosition = ~0U; // Done with the IT block after this. | ||||||||
337 | } | ||||||||
338 | |||||||||
339 | // Rewind the state of the current IT block, removing the last slot from it. | ||||||||
340 | void rewindImplicitITPosition() { | ||||||||
341 | assert(inImplicitITBlock())((inImplicitITBlock()) ? static_cast<void> (0) : __assert_fail ("inImplicitITBlock()", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 341, __PRETTY_FUNCTION__)); | ||||||||
342 | assert(ITState.CurPosition > 1)((ITState.CurPosition > 1) ? static_cast<void> (0) : __assert_fail ("ITState.CurPosition > 1", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 342, __PRETTY_FUNCTION__)); | ||||||||
343 | ITState.CurPosition--; | ||||||||
344 | unsigned TZ = countTrailingZeros(ITState.Mask); | ||||||||
345 | unsigned NewMask = 0; | ||||||||
346 | NewMask |= ITState.Mask & (0xC << TZ); | ||||||||
347 | NewMask |= 0x2 << TZ; | ||||||||
348 | ITState.Mask = NewMask; | ||||||||
349 | } | ||||||||
350 | |||||||||
351 | // Rewind the state of the current IT block, removing the last slot from it. | ||||||||
352 | // If we were at the first slot, this closes the IT block. | ||||||||
353 | void discardImplicitITBlock() { | ||||||||
354 | assert(inImplicitITBlock())((inImplicitITBlock()) ? static_cast<void> (0) : __assert_fail ("inImplicitITBlock()", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 354, __PRETTY_FUNCTION__)); | ||||||||
355 | assert(ITState.CurPosition == 1)((ITState.CurPosition == 1) ? static_cast<void> (0) : __assert_fail ("ITState.CurPosition == 1", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 355, __PRETTY_FUNCTION__)); | ||||||||
356 | ITState.CurPosition = ~0U; | ||||||||
357 | } | ||||||||
358 | |||||||||
359 | // Return the low-subreg of a given Q register. | ||||||||
360 | unsigned getDRegFromQReg(unsigned QReg) const { | ||||||||
361 | return MRI->getSubReg(QReg, ARM::dsub_0); | ||||||||
362 | } | ||||||||
363 | |||||||||
364 | // Get the condition code corresponding to the current IT block slot. | ||||||||
365 | ARMCC::CondCodes currentITCond() { | ||||||||
366 | unsigned MaskBit = extractITMaskBit(ITState.Mask, ITState.CurPosition); | ||||||||
367 | return MaskBit ? ARMCC::getOppositeCondition(ITState.Cond) : ITState.Cond; | ||||||||
368 | } | ||||||||
369 | |||||||||
370 | // Invert the condition of the current IT block slot without changing any | ||||||||
371 | // other slots in the same block. | ||||||||
372 | void invertCurrentITCondition() { | ||||||||
373 | if (ITState.CurPosition == 1) { | ||||||||
374 | ITState.Cond = ARMCC::getOppositeCondition(ITState.Cond); | ||||||||
375 | } else { | ||||||||
376 | ITState.Mask ^= 1 << (5 - ITState.CurPosition); | ||||||||
377 | } | ||||||||
378 | } | ||||||||
379 | |||||||||
380 | // Returns true if the current IT block is full (all 4 slots used). | ||||||||
381 | bool isITBlockFull() { | ||||||||
382 | return inITBlock() && (ITState.Mask & 1); | ||||||||
383 | } | ||||||||
384 | |||||||||
385 | // Extend the current implicit IT block to have one more slot with the given | ||||||||
386 | // condition code. | ||||||||
387 | void extendImplicitITBlock(ARMCC::CondCodes Cond) { | ||||||||
388 | assert(inImplicitITBlock())((inImplicitITBlock()) ? static_cast<void> (0) : __assert_fail ("inImplicitITBlock()", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 388, __PRETTY_FUNCTION__)); | ||||||||
389 | assert(!isITBlockFull())((!isITBlockFull()) ? static_cast<void> (0) : __assert_fail ("!isITBlockFull()", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 389, __PRETTY_FUNCTION__)); | ||||||||
390 | assert(Cond == ITState.Cond ||((Cond == ITState.Cond || Cond == ARMCC::getOppositeCondition (ITState.Cond)) ? static_cast<void> (0) : __assert_fail ("Cond == ITState.Cond || Cond == ARMCC::getOppositeCondition(ITState.Cond)" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 391, __PRETTY_FUNCTION__)) | ||||||||
391 | Cond == ARMCC::getOppositeCondition(ITState.Cond))((Cond == ITState.Cond || Cond == ARMCC::getOppositeCondition (ITState.Cond)) ? static_cast<void> (0) : __assert_fail ("Cond == ITState.Cond || Cond == ARMCC::getOppositeCondition(ITState.Cond)" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 391, __PRETTY_FUNCTION__)); | ||||||||
392 | unsigned TZ = countTrailingZeros(ITState.Mask); | ||||||||
393 | unsigned NewMask = 0; | ||||||||
394 | // Keep any existing condition bits. | ||||||||
395 | NewMask |= ITState.Mask & (0xE << TZ); | ||||||||
396 | // Insert the new condition bit. | ||||||||
397 | NewMask |= (Cond != ITState.Cond) << TZ; | ||||||||
398 | // Move the trailing 1 down one bit. | ||||||||
399 | NewMask |= 1 << (TZ - 1); | ||||||||
400 | ITState.Mask = NewMask; | ||||||||
401 | } | ||||||||
402 | |||||||||
403 | // Create a new implicit IT block with a dummy condition code. | ||||||||
404 | void startImplicitITBlock() { | ||||||||
405 | assert(!inITBlock())((!inITBlock()) ? static_cast<void> (0) : __assert_fail ("!inITBlock()", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 405, __PRETTY_FUNCTION__)); | ||||||||
406 | ITState.Cond = ARMCC::AL; | ||||||||
407 | ITState.Mask = 8; | ||||||||
408 | ITState.CurPosition = 1; | ||||||||
409 | ITState.IsExplicit = false; | ||||||||
410 | } | ||||||||
411 | |||||||||
412 | // Create a new explicit IT block with the given condition and mask. | ||||||||
413 | // The mask should be in the format used in ARMOperand and | ||||||||
414 | // MCOperand, with a 1 implying 'e', regardless of the low bit of | ||||||||
415 | // the condition. | ||||||||
416 | void startExplicitITBlock(ARMCC::CondCodes Cond, unsigned Mask) { | ||||||||
417 | assert(!inITBlock())((!inITBlock()) ? static_cast<void> (0) : __assert_fail ("!inITBlock()", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 417, __PRETTY_FUNCTION__)); | ||||||||
418 | ITState.Cond = Cond; | ||||||||
419 | ITState.Mask = Mask; | ||||||||
420 | ITState.CurPosition = 0; | ||||||||
421 | ITState.IsExplicit = true; | ||||||||
422 | } | ||||||||
423 | |||||||||
424 | struct { | ||||||||
425 | unsigned Mask : 4; | ||||||||
426 | unsigned CurPosition; | ||||||||
427 | } VPTState; | ||||||||
428 | bool inVPTBlock() { return VPTState.CurPosition != ~0U; } | ||||||||
429 | void forwardVPTPosition() { | ||||||||
430 | if (!inVPTBlock()) return; | ||||||||
431 | unsigned TZ = countTrailingZeros(VPTState.Mask); | ||||||||
432 | if (++VPTState.CurPosition == 5 - TZ) | ||||||||
433 | VPTState.CurPosition = ~0U; | ||||||||
434 | } | ||||||||
435 | |||||||||
436 | void Note(SMLoc L, const Twine &Msg, SMRange Range = None) { | ||||||||
437 | return getParser().Note(L, Msg, Range); | ||||||||
438 | } | ||||||||
439 | |||||||||
440 | bool Warning(SMLoc L, const Twine &Msg, SMRange Range = None) { | ||||||||
441 | return getParser().Warning(L, Msg, Range); | ||||||||
442 | } | ||||||||
443 | |||||||||
444 | bool Error(SMLoc L, const Twine &Msg, SMRange Range = None) { | ||||||||
445 | return getParser().Error(L, Msg, Range); | ||||||||
446 | } | ||||||||
447 | |||||||||
448 | bool validatetLDMRegList(const MCInst &Inst, const OperandVector &Operands, | ||||||||
449 | unsigned ListNo, bool IsARPop = false); | ||||||||
450 | bool validatetSTMRegList(const MCInst &Inst, const OperandVector &Operands, | ||||||||
451 | unsigned ListNo); | ||||||||
452 | |||||||||
453 | int tryParseRegister(); | ||||||||
454 | bool tryParseRegisterWithWriteBack(OperandVector &); | ||||||||
455 | int tryParseShiftRegister(OperandVector &); | ||||||||
456 | bool parseRegisterList(OperandVector &, bool EnforceOrder = true); | ||||||||
457 | bool parseMemory(OperandVector &); | ||||||||
458 | bool parseOperand(OperandVector &, StringRef Mnemonic); | ||||||||
459 | bool parsePrefix(ARMMCExpr::VariantKind &RefKind); | ||||||||
460 | bool parseMemRegOffsetShift(ARM_AM::ShiftOpc &ShiftType, | ||||||||
461 | unsigned &ShiftAmount); | ||||||||
462 | bool parseLiteralValues(unsigned Size, SMLoc L); | ||||||||
463 | bool parseDirectiveThumb(SMLoc L); | ||||||||
464 | bool parseDirectiveARM(SMLoc L); | ||||||||
465 | bool parseDirectiveThumbFunc(SMLoc L); | ||||||||
466 | bool parseDirectiveCode(SMLoc L); | ||||||||
467 | bool parseDirectiveSyntax(SMLoc L); | ||||||||
468 | bool parseDirectiveReq(StringRef Name, SMLoc L); | ||||||||
469 | bool parseDirectiveUnreq(SMLoc L); | ||||||||
470 | bool parseDirectiveArch(SMLoc L); | ||||||||
471 | bool parseDirectiveEabiAttr(SMLoc L); | ||||||||
472 | bool parseDirectiveCPU(SMLoc L); | ||||||||
473 | bool parseDirectiveFPU(SMLoc L); | ||||||||
474 | bool parseDirectiveFnStart(SMLoc L); | ||||||||
475 | bool parseDirectiveFnEnd(SMLoc L); | ||||||||
476 | bool parseDirectiveCantUnwind(SMLoc L); | ||||||||
477 | bool parseDirectivePersonality(SMLoc L); | ||||||||
478 | bool parseDirectiveHandlerData(SMLoc L); | ||||||||
479 | bool parseDirectiveSetFP(SMLoc L); | ||||||||
480 | bool parseDirectivePad(SMLoc L); | ||||||||
481 | bool parseDirectiveRegSave(SMLoc L, bool IsVector); | ||||||||
482 | bool parseDirectiveInst(SMLoc L, char Suffix = '\0'); | ||||||||
483 | bool parseDirectiveLtorg(SMLoc L); | ||||||||
484 | bool parseDirectiveEven(SMLoc L); | ||||||||
485 | bool parseDirectivePersonalityIndex(SMLoc L); | ||||||||
486 | bool parseDirectiveUnwindRaw(SMLoc L); | ||||||||
487 | bool parseDirectiveTLSDescSeq(SMLoc L); | ||||||||
488 | bool parseDirectiveMovSP(SMLoc L); | ||||||||
489 | bool parseDirectiveObjectArch(SMLoc L); | ||||||||
490 | bool parseDirectiveArchExtension(SMLoc L); | ||||||||
491 | bool parseDirectiveAlign(SMLoc L); | ||||||||
492 | bool parseDirectiveThumbSet(SMLoc L); | ||||||||
493 | |||||||||
494 | bool isMnemonicVPTPredicable(StringRef Mnemonic, StringRef ExtraToken); | ||||||||
495 | StringRef splitMnemonic(StringRef Mnemonic, StringRef ExtraToken, | ||||||||
496 | unsigned &PredicationCode, | ||||||||
497 | unsigned &VPTPredicationCode, bool &CarrySetting, | ||||||||
498 | unsigned &ProcessorIMod, StringRef &ITMask); | ||||||||
499 | void getMnemonicAcceptInfo(StringRef Mnemonic, StringRef ExtraToken, | ||||||||
500 | StringRef FullInst, bool &CanAcceptCarrySet, | ||||||||
501 | bool &CanAcceptPredicationCode, | ||||||||
502 | bool &CanAcceptVPTPredicationCode); | ||||||||
503 | |||||||||
504 | void tryConvertingToTwoOperandForm(StringRef Mnemonic, bool CarrySetting, | ||||||||
505 | OperandVector &Operands); | ||||||||
506 | bool CDEConvertDualRegOperand(StringRef Mnemonic, OperandVector &Operands); | ||||||||
507 | |||||||||
508 | bool isThumb() const { | ||||||||
509 | // FIXME: Can tablegen auto-generate this? | ||||||||
510 | return getSTI().getFeatureBits()[ARM::ModeThumb]; | ||||||||
511 | } | ||||||||
512 | |||||||||
513 | bool isThumbOne() const { | ||||||||
514 | return isThumb() && !getSTI().getFeatureBits()[ARM::FeatureThumb2]; | ||||||||
515 | } | ||||||||
516 | |||||||||
517 | bool isThumbTwo() const { | ||||||||
518 | return isThumb() && getSTI().getFeatureBits()[ARM::FeatureThumb2]; | ||||||||
519 | } | ||||||||
520 | |||||||||
521 | bool hasThumb() const { | ||||||||
522 | return getSTI().getFeatureBits()[ARM::HasV4TOps]; | ||||||||
523 | } | ||||||||
524 | |||||||||
525 | bool hasThumb2() const { | ||||||||
526 | return getSTI().getFeatureBits()[ARM::FeatureThumb2]; | ||||||||
527 | } | ||||||||
528 | |||||||||
529 | bool hasV6Ops() const { | ||||||||
530 | return getSTI().getFeatureBits()[ARM::HasV6Ops]; | ||||||||
531 | } | ||||||||
532 | |||||||||
533 | bool hasV6T2Ops() const { | ||||||||
534 | return getSTI().getFeatureBits()[ARM::HasV6T2Ops]; | ||||||||
535 | } | ||||||||
536 | |||||||||
537 | bool hasV6MOps() const { | ||||||||
538 | return getSTI().getFeatureBits()[ARM::HasV6MOps]; | ||||||||
539 | } | ||||||||
540 | |||||||||
541 | bool hasV7Ops() const { | ||||||||
542 | return getSTI().getFeatureBits()[ARM::HasV7Ops]; | ||||||||
543 | } | ||||||||
544 | |||||||||
545 | bool hasV8Ops() const { | ||||||||
546 | return getSTI().getFeatureBits()[ARM::HasV8Ops]; | ||||||||
547 | } | ||||||||
548 | |||||||||
549 | bool hasV8MBaseline() const { | ||||||||
550 | return getSTI().getFeatureBits()[ARM::HasV8MBaselineOps]; | ||||||||
551 | } | ||||||||
552 | |||||||||
553 | bool hasV8MMainline() const { | ||||||||
554 | return getSTI().getFeatureBits()[ARM::HasV8MMainlineOps]; | ||||||||
555 | } | ||||||||
556 | bool hasV8_1MMainline() const { | ||||||||
557 | return getSTI().getFeatureBits()[ARM::HasV8_1MMainlineOps]; | ||||||||
558 | } | ||||||||
559 | bool hasMVE() const { | ||||||||
560 | return getSTI().getFeatureBits()[ARM::HasMVEIntegerOps]; | ||||||||
561 | } | ||||||||
562 | bool hasMVEFloat() const { | ||||||||
563 | return getSTI().getFeatureBits()[ARM::HasMVEFloatOps]; | ||||||||
564 | } | ||||||||
565 | bool hasCDE() const { | ||||||||
566 | return getSTI().getFeatureBits()[ARM::HasCDEOps]; | ||||||||
567 | } | ||||||||
568 | bool has8MSecExt() const { | ||||||||
569 | return getSTI().getFeatureBits()[ARM::Feature8MSecExt]; | ||||||||
570 | } | ||||||||
571 | |||||||||
572 | bool hasARM() const { | ||||||||
573 | return !getSTI().getFeatureBits()[ARM::FeatureNoARM]; | ||||||||
574 | } | ||||||||
575 | |||||||||
576 | bool hasDSP() const { | ||||||||
577 | return getSTI().getFeatureBits()[ARM::FeatureDSP]; | ||||||||
578 | } | ||||||||
579 | |||||||||
580 | bool hasD32() const { | ||||||||
581 | return getSTI().getFeatureBits()[ARM::FeatureD32]; | ||||||||
582 | } | ||||||||
583 | |||||||||
584 | bool hasV8_1aOps() const { | ||||||||
585 | return getSTI().getFeatureBits()[ARM::HasV8_1aOps]; | ||||||||
586 | } | ||||||||
587 | |||||||||
588 | bool hasRAS() const { | ||||||||
589 | return getSTI().getFeatureBits()[ARM::FeatureRAS]; | ||||||||
590 | } | ||||||||
591 | |||||||||
592 | void SwitchMode() { | ||||||||
593 | MCSubtargetInfo &STI = copySTI(); | ||||||||
594 | auto FB = ComputeAvailableFeatures(STI.ToggleFeature(ARM::ModeThumb)); | ||||||||
595 | setAvailableFeatures(FB); | ||||||||
596 | } | ||||||||
597 | |||||||||
598 | void FixModeAfterArchChange(bool WasThumb, SMLoc Loc); | ||||||||
599 | |||||||||
600 | bool isMClass() const { | ||||||||
601 | return getSTI().getFeatureBits()[ARM::FeatureMClass]; | ||||||||
602 | } | ||||||||
603 | |||||||||
604 | /// @name Auto-generated Match Functions | ||||||||
605 | /// { | ||||||||
606 | |||||||||
607 | #define GET_ASSEMBLER_HEADER | ||||||||
608 | #include "ARMGenAsmMatcher.inc" | ||||||||
609 | |||||||||
610 | /// } | ||||||||
611 | |||||||||
612 | OperandMatchResultTy parseITCondCode(OperandVector &); | ||||||||
613 | OperandMatchResultTy parseCoprocNumOperand(OperandVector &); | ||||||||
614 | OperandMatchResultTy parseCoprocRegOperand(OperandVector &); | ||||||||
615 | OperandMatchResultTy parseCoprocOptionOperand(OperandVector &); | ||||||||
616 | OperandMatchResultTy parseMemBarrierOptOperand(OperandVector &); | ||||||||
617 | OperandMatchResultTy parseTraceSyncBarrierOptOperand(OperandVector &); | ||||||||
618 | OperandMatchResultTy parseInstSyncBarrierOptOperand(OperandVector &); | ||||||||
619 | OperandMatchResultTy parseProcIFlagsOperand(OperandVector &); | ||||||||
620 | OperandMatchResultTy parseMSRMaskOperand(OperandVector &); | ||||||||
621 | OperandMatchResultTy parseBankedRegOperand(OperandVector &); | ||||||||
622 | OperandMatchResultTy parsePKHImm(OperandVector &O, StringRef Op, int Low, | ||||||||
623 | int High); | ||||||||
624 | OperandMatchResultTy parsePKHLSLImm(OperandVector &O) { | ||||||||
625 | return parsePKHImm(O, "lsl", 0, 31); | ||||||||
626 | } | ||||||||
627 | OperandMatchResultTy parsePKHASRImm(OperandVector &O) { | ||||||||
628 | return parsePKHImm(O, "asr", 1, 32); | ||||||||
629 | } | ||||||||
630 | OperandMatchResultTy parseSetEndImm(OperandVector &); | ||||||||
631 | OperandMatchResultTy parseShifterImm(OperandVector &); | ||||||||
632 | OperandMatchResultTy parseRotImm(OperandVector &); | ||||||||
633 | OperandMatchResultTy parseModImm(OperandVector &); | ||||||||
634 | OperandMatchResultTy parseBitfield(OperandVector &); | ||||||||
635 | OperandMatchResultTy parsePostIdxReg(OperandVector &); | ||||||||
636 | OperandMatchResultTy parseAM3Offset(OperandVector &); | ||||||||
637 | OperandMatchResultTy parseFPImm(OperandVector &); | ||||||||
638 | OperandMatchResultTy parseVectorList(OperandVector &); | ||||||||
639 | OperandMatchResultTy parseVectorLane(VectorLaneTy &LaneKind, unsigned &Index, | ||||||||
640 | SMLoc &EndLoc); | ||||||||
641 | |||||||||
642 | // Asm Match Converter Methods | ||||||||
643 | void cvtThumbMultiply(MCInst &Inst, const OperandVector &); | ||||||||
644 | void cvtThumbBranches(MCInst &Inst, const OperandVector &); | ||||||||
645 | void cvtMVEVMOVQtoDReg(MCInst &Inst, const OperandVector &); | ||||||||
646 | |||||||||
647 | bool validateInstruction(MCInst &Inst, const OperandVector &Ops); | ||||||||
648 | bool processInstruction(MCInst &Inst, const OperandVector &Ops, MCStreamer &Out); | ||||||||
649 | bool shouldOmitCCOutOperand(StringRef Mnemonic, OperandVector &Operands); | ||||||||
650 | bool shouldOmitPredicateOperand(StringRef Mnemonic, OperandVector &Operands); | ||||||||
651 | bool shouldOmitVectorPredicateOperand(StringRef Mnemonic, OperandVector &Operands); | ||||||||
652 | bool isITBlockTerminator(MCInst &Inst) const; | ||||||||
653 | void fixupGNULDRDAlias(StringRef Mnemonic, OperandVector &Operands); | ||||||||
654 | bool validateLDRDSTRD(MCInst &Inst, const OperandVector &Operands, | ||||||||
655 | bool Load, bool ARMMode, bool Writeback); | ||||||||
656 | |||||||||
657 | public: | ||||||||
658 | enum ARMMatchResultTy { | ||||||||
659 | Match_RequiresITBlock = FIRST_TARGET_MATCH_RESULT_TY, | ||||||||
660 | Match_RequiresNotITBlock, | ||||||||
661 | Match_RequiresV6, | ||||||||
662 | Match_RequiresThumb2, | ||||||||
663 | Match_RequiresV8, | ||||||||
664 | Match_RequiresFlagSetting, | ||||||||
665 | #define GET_OPERAND_DIAGNOSTIC_TYPES | ||||||||
666 | #include "ARMGenAsmMatcher.inc" | ||||||||
667 | |||||||||
668 | }; | ||||||||
669 | |||||||||
670 | ARMAsmParser(const MCSubtargetInfo &STI, MCAsmParser &Parser, | ||||||||
671 | const MCInstrInfo &MII, const MCTargetOptions &Options) | ||||||||
672 | : MCTargetAsmParser(Options, STI, MII), UC(Parser), MS(STI) { | ||||||||
673 | MCAsmParserExtension::Initialize(Parser); | ||||||||
674 | |||||||||
675 | // Cache the MCRegisterInfo. | ||||||||
676 | MRI = getContext().getRegisterInfo(); | ||||||||
677 | |||||||||
678 | // Initialize the set of available features. | ||||||||
679 | setAvailableFeatures(ComputeAvailableFeatures(STI.getFeatureBits())); | ||||||||
680 | |||||||||
681 | // Add build attributes based on the selected target. | ||||||||
682 | if (AddBuildAttributes) | ||||||||
683 | getTargetStreamer().emitTargetAttributes(STI); | ||||||||
684 | |||||||||
685 | // Not in an ITBlock to start with. | ||||||||
686 | ITState.CurPosition = ~0U; | ||||||||
687 | |||||||||
688 | VPTState.CurPosition = ~0U; | ||||||||
689 | |||||||||
690 | NextSymbolIsThumb = false; | ||||||||
691 | } | ||||||||
692 | |||||||||
693 | // Implementation of the MCTargetAsmParser interface: | ||||||||
694 | bool ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc) override; | ||||||||
695 | OperandMatchResultTy tryParseRegister(unsigned &RegNo, SMLoc &StartLoc, | ||||||||
696 | SMLoc &EndLoc) override; | ||||||||
697 | bool ParseInstruction(ParseInstructionInfo &Info, StringRef Name, | ||||||||
698 | SMLoc NameLoc, OperandVector &Operands) override; | ||||||||
699 | bool ParseDirective(AsmToken DirectiveID) override; | ||||||||
700 | |||||||||
701 | unsigned validateTargetOperandClass(MCParsedAsmOperand &Op, | ||||||||
702 | unsigned Kind) override; | ||||||||
703 | unsigned checkTargetMatchPredicate(MCInst &Inst) override; | ||||||||
704 | |||||||||
705 | bool MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode, | ||||||||
706 | OperandVector &Operands, MCStreamer &Out, | ||||||||
707 | uint64_t &ErrorInfo, | ||||||||
708 | bool MatchingInlineAsm) override; | ||||||||
709 | unsigned MatchInstruction(OperandVector &Operands, MCInst &Inst, | ||||||||
710 | SmallVectorImpl<NearMissInfo> &NearMisses, | ||||||||
711 | bool MatchingInlineAsm, bool &EmitInITBlock, | ||||||||
712 | MCStreamer &Out); | ||||||||
713 | |||||||||
714 | struct NearMissMessage { | ||||||||
715 | SMLoc Loc; | ||||||||
716 | SmallString<128> Message; | ||||||||
717 | }; | ||||||||
718 | |||||||||
719 | const char *getCustomOperandDiag(ARMMatchResultTy MatchError); | ||||||||
720 | |||||||||
721 | void FilterNearMisses(SmallVectorImpl<NearMissInfo> &NearMissesIn, | ||||||||
722 | SmallVectorImpl<NearMissMessage> &NearMissesOut, | ||||||||
723 | SMLoc IDLoc, OperandVector &Operands); | ||||||||
724 | void ReportNearMisses(SmallVectorImpl<NearMissInfo> &NearMisses, SMLoc IDLoc, | ||||||||
725 | OperandVector &Operands); | ||||||||
726 | |||||||||
727 | void doBeforeLabelEmit(MCSymbol *Symbol) override; | ||||||||
728 | |||||||||
729 | void onLabelParsed(MCSymbol *Symbol) override; | ||||||||
730 | }; | ||||||||
731 | |||||||||
732 | /// ARMOperand - Instances of this class represent a parsed ARM machine | ||||||||
733 | /// operand. | ||||||||
734 | class ARMOperand : public MCParsedAsmOperand { | ||||||||
735 | enum KindTy { | ||||||||
736 | k_CondCode, | ||||||||
737 | k_VPTPred, | ||||||||
738 | k_CCOut, | ||||||||
739 | k_ITCondMask, | ||||||||
740 | k_CoprocNum, | ||||||||
741 | k_CoprocReg, | ||||||||
742 | k_CoprocOption, | ||||||||
743 | k_Immediate, | ||||||||
744 | k_MemBarrierOpt, | ||||||||
745 | k_InstSyncBarrierOpt, | ||||||||
746 | k_TraceSyncBarrierOpt, | ||||||||
747 | k_Memory, | ||||||||
748 | k_PostIndexRegister, | ||||||||
749 | k_MSRMask, | ||||||||
750 | k_BankedReg, | ||||||||
751 | k_ProcIFlags, | ||||||||
752 | k_VectorIndex, | ||||||||
753 | k_Register, | ||||||||
754 | k_RegisterList, | ||||||||
755 | k_RegisterListWithAPSR, | ||||||||
756 | k_DPRRegisterList, | ||||||||
757 | k_SPRRegisterList, | ||||||||
758 | k_FPSRegisterListWithVPR, | ||||||||
759 | k_FPDRegisterListWithVPR, | ||||||||
760 | k_VectorList, | ||||||||
761 | k_VectorListAllLanes, | ||||||||
762 | k_VectorListIndexed, | ||||||||
763 | k_ShiftedRegister, | ||||||||
764 | k_ShiftedImmediate, | ||||||||
765 | k_ShifterImmediate, | ||||||||
766 | k_RotateImmediate, | ||||||||
767 | k_ModifiedImmediate, | ||||||||
768 | k_ConstantPoolImmediate, | ||||||||
769 | k_BitfieldDescriptor, | ||||||||
770 | k_Token, | ||||||||
771 | } Kind; | ||||||||
772 | |||||||||
773 | SMLoc StartLoc, EndLoc, AlignmentLoc; | ||||||||
774 | SmallVector<unsigned, 8> Registers; | ||||||||
775 | |||||||||
776 | struct CCOp { | ||||||||
777 | ARMCC::CondCodes Val; | ||||||||
778 | }; | ||||||||
779 | |||||||||
780 | struct VCCOp { | ||||||||
781 | ARMVCC::VPTCodes Val; | ||||||||
782 | }; | ||||||||
783 | |||||||||
784 | struct CopOp { | ||||||||
785 | unsigned Val; | ||||||||
786 | }; | ||||||||
787 | |||||||||
788 | struct CoprocOptionOp { | ||||||||
789 | unsigned Val; | ||||||||
790 | }; | ||||||||
791 | |||||||||
792 | struct ITMaskOp { | ||||||||
793 | unsigned Mask:4; | ||||||||
794 | }; | ||||||||
795 | |||||||||
796 | struct MBOptOp { | ||||||||
797 | ARM_MB::MemBOpt Val; | ||||||||
798 | }; | ||||||||
799 | |||||||||
800 | struct ISBOptOp { | ||||||||
801 | ARM_ISB::InstSyncBOpt Val; | ||||||||
802 | }; | ||||||||
803 | |||||||||
804 | struct TSBOptOp { | ||||||||
805 | ARM_TSB::TraceSyncBOpt Val; | ||||||||
806 | }; | ||||||||
807 | |||||||||
808 | struct IFlagsOp { | ||||||||
809 | ARM_PROC::IFlags Val; | ||||||||
810 | }; | ||||||||
811 | |||||||||
812 | struct MMaskOp { | ||||||||
813 | unsigned Val; | ||||||||
814 | }; | ||||||||
815 | |||||||||
816 | struct BankedRegOp { | ||||||||
817 | unsigned Val; | ||||||||
818 | }; | ||||||||
819 | |||||||||
820 | struct TokOp { | ||||||||
821 | const char *Data; | ||||||||
822 | unsigned Length; | ||||||||
823 | }; | ||||||||
824 | |||||||||
825 | struct RegOp { | ||||||||
826 | unsigned RegNum; | ||||||||
827 | }; | ||||||||
828 | |||||||||
829 | // A vector register list is a sequential list of 1 to 4 registers. | ||||||||
830 | struct VectorListOp { | ||||||||
831 | unsigned RegNum; | ||||||||
832 | unsigned Count; | ||||||||
833 | unsigned LaneIndex; | ||||||||
834 | bool isDoubleSpaced; | ||||||||
835 | }; | ||||||||
836 | |||||||||
837 | struct VectorIndexOp { | ||||||||
838 | unsigned Val; | ||||||||
839 | }; | ||||||||
840 | |||||||||
841 | struct ImmOp { | ||||||||
842 | const MCExpr *Val; | ||||||||
843 | }; | ||||||||
844 | |||||||||
845 | /// Combined record for all forms of ARM address expressions. | ||||||||
846 | struct MemoryOp { | ||||||||
847 | unsigned BaseRegNum; | ||||||||
848 | // Offset is in OffsetReg or OffsetImm. If both are zero, no offset | ||||||||
849 | // was specified. | ||||||||
850 | const MCConstantExpr *OffsetImm; // Offset immediate value | ||||||||
851 | unsigned OffsetRegNum; // Offset register num, when OffsetImm == NULL | ||||||||
852 | ARM_AM::ShiftOpc ShiftType; // Shift type for OffsetReg | ||||||||
853 | unsigned ShiftImm; // shift for OffsetReg. | ||||||||
854 | unsigned Alignment; // 0 = no alignment specified | ||||||||
855 | // n = alignment in bytes (2, 4, 8, 16, or 32) | ||||||||
856 | unsigned isNegative : 1; // Negated OffsetReg? (~'U' bit) | ||||||||
857 | }; | ||||||||
858 | |||||||||
859 | struct PostIdxRegOp { | ||||||||
860 | unsigned RegNum; | ||||||||
861 | bool isAdd; | ||||||||
862 | ARM_AM::ShiftOpc ShiftTy; | ||||||||
863 | unsigned ShiftImm; | ||||||||
864 | }; | ||||||||
865 | |||||||||
866 | struct ShifterImmOp { | ||||||||
867 | bool isASR; | ||||||||
868 | unsigned Imm; | ||||||||
869 | }; | ||||||||
870 | |||||||||
871 | struct RegShiftedRegOp { | ||||||||
872 | ARM_AM::ShiftOpc ShiftTy; | ||||||||
873 | unsigned SrcReg; | ||||||||
874 | unsigned ShiftReg; | ||||||||
875 | unsigned ShiftImm; | ||||||||
876 | }; | ||||||||
877 | |||||||||
878 | struct RegShiftedImmOp { | ||||||||
879 | ARM_AM::ShiftOpc ShiftTy; | ||||||||
880 | unsigned SrcReg; | ||||||||
881 | unsigned ShiftImm; | ||||||||
882 | }; | ||||||||
883 | |||||||||
884 | struct RotImmOp { | ||||||||
885 | unsigned Imm; | ||||||||
886 | }; | ||||||||
887 | |||||||||
888 | struct ModImmOp { | ||||||||
889 | unsigned Bits; | ||||||||
890 | unsigned Rot; | ||||||||
891 | }; | ||||||||
892 | |||||||||
893 | struct BitfieldOp { | ||||||||
894 | unsigned LSB; | ||||||||
895 | unsigned Width; | ||||||||
896 | }; | ||||||||
897 | |||||||||
898 | union { | ||||||||
899 | struct CCOp CC; | ||||||||
900 | struct VCCOp VCC; | ||||||||
901 | struct CopOp Cop; | ||||||||
902 | struct CoprocOptionOp CoprocOption; | ||||||||
903 | struct MBOptOp MBOpt; | ||||||||
904 | struct ISBOptOp ISBOpt; | ||||||||
905 | struct TSBOptOp TSBOpt; | ||||||||
906 | struct ITMaskOp ITMask; | ||||||||
907 | struct IFlagsOp IFlags; | ||||||||
908 | struct MMaskOp MMask; | ||||||||
909 | struct BankedRegOp BankedReg; | ||||||||
910 | struct TokOp Tok; | ||||||||
911 | struct RegOp Reg; | ||||||||
912 | struct VectorListOp VectorList; | ||||||||
913 | struct VectorIndexOp VectorIndex; | ||||||||
914 | struct ImmOp Imm; | ||||||||
915 | struct MemoryOp Memory; | ||||||||
916 | struct PostIdxRegOp PostIdxReg; | ||||||||
917 | struct ShifterImmOp ShifterImm; | ||||||||
918 | struct RegShiftedRegOp RegShiftedReg; | ||||||||
919 | struct RegShiftedImmOp RegShiftedImm; | ||||||||
920 | struct RotImmOp RotImm; | ||||||||
921 | struct ModImmOp ModImm; | ||||||||
922 | struct BitfieldOp Bitfield; | ||||||||
923 | }; | ||||||||
924 | |||||||||
925 | public: | ||||||||
926 | ARMOperand(KindTy K) : MCParsedAsmOperand(), Kind(K) {} | ||||||||
927 | |||||||||
928 | /// getStartLoc - Get the location of the first token of this operand. | ||||||||
929 | SMLoc getStartLoc() const override { return StartLoc; } | ||||||||
930 | |||||||||
931 | /// getEndLoc - Get the location of the last token of this operand. | ||||||||
932 | SMLoc getEndLoc() const override { return EndLoc; } | ||||||||
933 | |||||||||
934 | /// getLocRange - Get the range between the first and last token of this | ||||||||
935 | /// operand. | ||||||||
936 | SMRange getLocRange() const { return SMRange(StartLoc, EndLoc); } | ||||||||
937 | |||||||||
938 | /// getAlignmentLoc - Get the location of the Alignment token of this operand. | ||||||||
939 | SMLoc getAlignmentLoc() const { | ||||||||
940 | assert(Kind == k_Memory && "Invalid access!")((Kind == k_Memory && "Invalid access!") ? static_cast <void> (0) : __assert_fail ("Kind == k_Memory && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 940, __PRETTY_FUNCTION__)); | ||||||||
941 | return AlignmentLoc; | ||||||||
942 | } | ||||||||
943 | |||||||||
944 | ARMCC::CondCodes getCondCode() const { | ||||||||
945 | assert(Kind == k_CondCode && "Invalid access!")((Kind == k_CondCode && "Invalid access!") ? static_cast <void> (0) : __assert_fail ("Kind == k_CondCode && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 945, __PRETTY_FUNCTION__)); | ||||||||
946 | return CC.Val; | ||||||||
947 | } | ||||||||
948 | |||||||||
949 | ARMVCC::VPTCodes getVPTPred() const { | ||||||||
950 | assert(isVPTPred() && "Invalid access!")((isVPTPred() && "Invalid access!") ? static_cast< void> (0) : __assert_fail ("isVPTPred() && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 950, __PRETTY_FUNCTION__)); | ||||||||
951 | return VCC.Val; | ||||||||
952 | } | ||||||||
953 | |||||||||
954 | unsigned getCoproc() const { | ||||||||
955 | assert((Kind == k_CoprocNum || Kind == k_CoprocReg) && "Invalid access!")(((Kind == k_CoprocNum || Kind == k_CoprocReg) && "Invalid access!" ) ? static_cast<void> (0) : __assert_fail ("(Kind == k_CoprocNum || Kind == k_CoprocReg) && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 955, __PRETTY_FUNCTION__)); | ||||||||
956 | return Cop.Val; | ||||||||
957 | } | ||||||||
958 | |||||||||
959 | StringRef getToken() const { | ||||||||
960 | assert(Kind == k_Token && "Invalid access!")((Kind == k_Token && "Invalid access!") ? static_cast <void> (0) : __assert_fail ("Kind == k_Token && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 960, __PRETTY_FUNCTION__)); | ||||||||
961 | return StringRef(Tok.Data, Tok.Length); | ||||||||
962 | } | ||||||||
963 | |||||||||
964 | unsigned getReg() const override { | ||||||||
965 | assert((Kind == k_Register || Kind == k_CCOut) && "Invalid access!")(((Kind == k_Register || Kind == k_CCOut) && "Invalid access!" ) ? static_cast<void> (0) : __assert_fail ("(Kind == k_Register || Kind == k_CCOut) && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 965, __PRETTY_FUNCTION__)); | ||||||||
966 | return Reg.RegNum; | ||||||||
967 | } | ||||||||
968 | |||||||||
969 | const SmallVectorImpl<unsigned> &getRegList() const { | ||||||||
970 | assert((Kind == k_RegisterList || Kind == k_RegisterListWithAPSR ||(((Kind == k_RegisterList || Kind == k_RegisterListWithAPSR || Kind == k_DPRRegisterList || Kind == k_SPRRegisterList || Kind == k_FPSRegisterListWithVPR || Kind == k_FPDRegisterListWithVPR ) && "Invalid access!") ? static_cast<void> (0) : __assert_fail ("(Kind == k_RegisterList || Kind == k_RegisterListWithAPSR || Kind == k_DPRRegisterList || Kind == k_SPRRegisterList || Kind == k_FPSRegisterListWithVPR || Kind == k_FPDRegisterListWithVPR) && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 974, __PRETTY_FUNCTION__)) | ||||||||
971 | Kind == k_DPRRegisterList || Kind == k_SPRRegisterList ||(((Kind == k_RegisterList || Kind == k_RegisterListWithAPSR || Kind == k_DPRRegisterList || Kind == k_SPRRegisterList || Kind == k_FPSRegisterListWithVPR || Kind == k_FPDRegisterListWithVPR ) && "Invalid access!") ? static_cast<void> (0) : __assert_fail ("(Kind == k_RegisterList || Kind == k_RegisterListWithAPSR || Kind == k_DPRRegisterList || Kind == k_SPRRegisterList || Kind == k_FPSRegisterListWithVPR || Kind == k_FPDRegisterListWithVPR) && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 974, __PRETTY_FUNCTION__)) | ||||||||
972 | Kind == k_FPSRegisterListWithVPR ||(((Kind == k_RegisterList || Kind == k_RegisterListWithAPSR || Kind == k_DPRRegisterList || Kind == k_SPRRegisterList || Kind == k_FPSRegisterListWithVPR || Kind == k_FPDRegisterListWithVPR ) && "Invalid access!") ? static_cast<void> (0) : __assert_fail ("(Kind == k_RegisterList || Kind == k_RegisterListWithAPSR || Kind == k_DPRRegisterList || Kind == k_SPRRegisterList || Kind == k_FPSRegisterListWithVPR || Kind == k_FPDRegisterListWithVPR) && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 974, __PRETTY_FUNCTION__)) | ||||||||
973 | Kind == k_FPDRegisterListWithVPR) &&(((Kind == k_RegisterList || Kind == k_RegisterListWithAPSR || Kind == k_DPRRegisterList || Kind == k_SPRRegisterList || Kind == k_FPSRegisterListWithVPR || Kind == k_FPDRegisterListWithVPR ) && "Invalid access!") ? static_cast<void> (0) : __assert_fail ("(Kind == k_RegisterList || Kind == k_RegisterListWithAPSR || Kind == k_DPRRegisterList || Kind == k_SPRRegisterList || Kind == k_FPSRegisterListWithVPR || Kind == k_FPDRegisterListWithVPR) && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 974, __PRETTY_FUNCTION__)) | ||||||||
974 | "Invalid access!")(((Kind == k_RegisterList || Kind == k_RegisterListWithAPSR || Kind == k_DPRRegisterList || Kind == k_SPRRegisterList || Kind == k_FPSRegisterListWithVPR || Kind == k_FPDRegisterListWithVPR ) && "Invalid access!") ? static_cast<void> (0) : __assert_fail ("(Kind == k_RegisterList || Kind == k_RegisterListWithAPSR || Kind == k_DPRRegisterList || Kind == k_SPRRegisterList || Kind == k_FPSRegisterListWithVPR || Kind == k_FPDRegisterListWithVPR) && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 974, __PRETTY_FUNCTION__)); | ||||||||
975 | return Registers; | ||||||||
976 | } | ||||||||
977 | |||||||||
978 | const MCExpr *getImm() const { | ||||||||
979 | assert(isImm() && "Invalid access!")((isImm() && "Invalid access!") ? static_cast<void > (0) : __assert_fail ("isImm() && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 979, __PRETTY_FUNCTION__)); | ||||||||
980 | return Imm.Val; | ||||||||
981 | } | ||||||||
982 | |||||||||
983 | const MCExpr *getConstantPoolImm() const { | ||||||||
984 | assert(isConstantPoolImm() && "Invalid access!")((isConstantPoolImm() && "Invalid access!") ? static_cast <void> (0) : __assert_fail ("isConstantPoolImm() && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 984, __PRETTY_FUNCTION__)); | ||||||||
985 | return Imm.Val; | ||||||||
986 | } | ||||||||
987 | |||||||||
988 | unsigned getVectorIndex() const { | ||||||||
989 | assert(Kind == k_VectorIndex && "Invalid access!")((Kind == k_VectorIndex && "Invalid access!") ? static_cast <void> (0) : __assert_fail ("Kind == k_VectorIndex && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 989, __PRETTY_FUNCTION__)); | ||||||||
990 | return VectorIndex.Val; | ||||||||
991 | } | ||||||||
992 | |||||||||
993 | ARM_MB::MemBOpt getMemBarrierOpt() const { | ||||||||
994 | assert(Kind == k_MemBarrierOpt && "Invalid access!")((Kind == k_MemBarrierOpt && "Invalid access!") ? static_cast <void> (0) : __assert_fail ("Kind == k_MemBarrierOpt && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 994, __PRETTY_FUNCTION__)); | ||||||||
995 | return MBOpt.Val; | ||||||||
996 | } | ||||||||
997 | |||||||||
998 | ARM_ISB::InstSyncBOpt getInstSyncBarrierOpt() const { | ||||||||
999 | assert(Kind == k_InstSyncBarrierOpt && "Invalid access!")((Kind == k_InstSyncBarrierOpt && "Invalid access!") ? static_cast<void> (0) : __assert_fail ("Kind == k_InstSyncBarrierOpt && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 999, __PRETTY_FUNCTION__)); | ||||||||
1000 | return ISBOpt.Val; | ||||||||
1001 | } | ||||||||
1002 | |||||||||
1003 | ARM_TSB::TraceSyncBOpt getTraceSyncBarrierOpt() const { | ||||||||
1004 | assert(Kind == k_TraceSyncBarrierOpt && "Invalid access!")((Kind == k_TraceSyncBarrierOpt && "Invalid access!") ? static_cast<void> (0) : __assert_fail ("Kind == k_TraceSyncBarrierOpt && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 1004, __PRETTY_FUNCTION__)); | ||||||||
1005 | return TSBOpt.Val; | ||||||||
1006 | } | ||||||||
1007 | |||||||||
1008 | ARM_PROC::IFlags getProcIFlags() const { | ||||||||
1009 | assert(Kind == k_ProcIFlags && "Invalid access!")((Kind == k_ProcIFlags && "Invalid access!") ? static_cast <void> (0) : __assert_fail ("Kind == k_ProcIFlags && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 1009, __PRETTY_FUNCTION__)); | ||||||||
1010 | return IFlags.Val; | ||||||||
1011 | } | ||||||||
1012 | |||||||||
1013 | unsigned getMSRMask() const { | ||||||||
1014 | assert(Kind == k_MSRMask && "Invalid access!")((Kind == k_MSRMask && "Invalid access!") ? static_cast <void> (0) : __assert_fail ("Kind == k_MSRMask && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 1014, __PRETTY_FUNCTION__)); | ||||||||
1015 | return MMask.Val; | ||||||||
1016 | } | ||||||||
1017 | |||||||||
1018 | unsigned getBankedReg() const { | ||||||||
1019 | assert(Kind == k_BankedReg && "Invalid access!")((Kind == k_BankedReg && "Invalid access!") ? static_cast <void> (0) : __assert_fail ("Kind == k_BankedReg && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 1019, __PRETTY_FUNCTION__)); | ||||||||
1020 | return BankedReg.Val; | ||||||||
1021 | } | ||||||||
1022 | |||||||||
1023 | bool isCoprocNum() const { return Kind == k_CoprocNum; } | ||||||||
1024 | bool isCoprocReg() const { return Kind == k_CoprocReg; } | ||||||||
1025 | bool isCoprocOption() const { return Kind == k_CoprocOption; } | ||||||||
1026 | bool isCondCode() const { return Kind == k_CondCode; } | ||||||||
1027 | bool isVPTPred() const { return Kind == k_VPTPred; } | ||||||||
1028 | bool isCCOut() const { return Kind == k_CCOut; } | ||||||||
1029 | bool isITMask() const { return Kind == k_ITCondMask; } | ||||||||
1030 | bool isITCondCode() const { return Kind == k_CondCode; } | ||||||||
1031 | bool isImm() const override { | ||||||||
1032 | return Kind == k_Immediate; | ||||||||
1033 | } | ||||||||
1034 | |||||||||
1035 | bool isARMBranchTarget() const { | ||||||||
1036 | if (!isImm()) return false; | ||||||||
1037 | |||||||||
1038 | if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm())) | ||||||||
1039 | return CE->getValue() % 4 == 0; | ||||||||
1040 | return true; | ||||||||
1041 | } | ||||||||
1042 | |||||||||
1043 | |||||||||
1044 | bool isThumbBranchTarget() const { | ||||||||
1045 | if (!isImm()) return false; | ||||||||
1046 | |||||||||
1047 | if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm())) | ||||||||
1048 | return CE->getValue() % 2 == 0; | ||||||||
1049 | return true; | ||||||||
1050 | } | ||||||||
1051 | |||||||||
1052 | // checks whether this operand is an unsigned offset which fits is a field | ||||||||
1053 | // of specified width and scaled by a specific number of bits | ||||||||
1054 | template<unsigned width, unsigned scale> | ||||||||
1055 | bool isUnsignedOffset() const { | ||||||||
1056 | if (!isImm()) return false; | ||||||||
1057 | if (isa<MCSymbolRefExpr>(Imm.Val)) return true; | ||||||||
1058 | if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Imm.Val)) { | ||||||||
1059 | int64_t Val = CE->getValue(); | ||||||||
1060 | int64_t Align = 1LL << scale; | ||||||||
1061 | int64_t Max = Align * ((1LL << width) - 1); | ||||||||
1062 | return ((Val % Align) == 0) && (Val >= 0) && (Val <= Max); | ||||||||
1063 | } | ||||||||
1064 | return false; | ||||||||
1065 | } | ||||||||
1066 | |||||||||
1067 | // checks whether this operand is an signed offset which fits is a field | ||||||||
1068 | // of specified width and scaled by a specific number of bits | ||||||||
1069 | template<unsigned width, unsigned scale> | ||||||||
1070 | bool isSignedOffset() const { | ||||||||
1071 | if (!isImm()) return false; | ||||||||
1072 | if (isa<MCSymbolRefExpr>(Imm.Val)) return true; | ||||||||
1073 | if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Imm.Val)) { | ||||||||
1074 | int64_t Val = CE->getValue(); | ||||||||
1075 | int64_t Align = 1LL << scale; | ||||||||
1076 | int64_t Max = Align * ((1LL << (width-1)) - 1); | ||||||||
1077 | int64_t Min = -Align * (1LL << (width-1)); | ||||||||
1078 | return ((Val % Align) == 0) && (Val >= Min) && (Val <= Max); | ||||||||
1079 | } | ||||||||
1080 | return false; | ||||||||
1081 | } | ||||||||
1082 | |||||||||
1083 | // checks whether this operand is an offset suitable for the LE / | ||||||||
1084 | // LETP instructions in Arm v8.1M | ||||||||
1085 | bool isLEOffset() const { | ||||||||
1086 | if (!isImm()) return false; | ||||||||
1087 | if (isa<MCSymbolRefExpr>(Imm.Val)) return true; | ||||||||
1088 | if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Imm.Val)) { | ||||||||
1089 | int64_t Val = CE->getValue(); | ||||||||
1090 | return Val < 0 && Val >= -4094 && (Val & 1) == 0; | ||||||||
1091 | } | ||||||||
1092 | return false; | ||||||||
1093 | } | ||||||||
1094 | |||||||||
1095 | // checks whether this operand is a memory operand computed as an offset | ||||||||
1096 | // applied to PC. the offset may have 8 bits of magnitude and is represented | ||||||||
1097 | // with two bits of shift. textually it may be either [pc, #imm], #imm or | ||||||||
1098 | // relocable expression... | ||||||||
1099 | bool isThumbMemPC() const { | ||||||||
1100 | int64_t Val = 0; | ||||||||
1101 | if (isImm()) { | ||||||||
1102 | if (isa<MCSymbolRefExpr>(Imm.Val)) return true; | ||||||||
1103 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Imm.Val); | ||||||||
1104 | if (!CE) return false; | ||||||||
1105 | Val = CE->getValue(); | ||||||||
1106 | } | ||||||||
1107 | else if (isGPRMem()) { | ||||||||
1108 | if(!Memory.OffsetImm || Memory.OffsetRegNum) return false; | ||||||||
1109 | if(Memory.BaseRegNum != ARM::PC) return false; | ||||||||
1110 | Val = Memory.OffsetImm->getValue(); | ||||||||
1111 | } | ||||||||
1112 | else return false; | ||||||||
1113 | return ((Val % 4) == 0) && (Val >= 0) && (Val <= 1020); | ||||||||
1114 | } | ||||||||
1115 | |||||||||
1116 | bool isFPImm() const { | ||||||||
1117 | if (!isImm()) return false; | ||||||||
1118 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
1119 | if (!CE) return false; | ||||||||
1120 | int Val = ARM_AM::getFP32Imm(APInt(32, CE->getValue())); | ||||||||
1121 | return Val != -1; | ||||||||
1122 | } | ||||||||
1123 | |||||||||
1124 | template<int64_t N, int64_t M> | ||||||||
1125 | bool isImmediate() const { | ||||||||
1126 | if (!isImm()) return false; | ||||||||
1127 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
1128 | if (!CE) return false; | ||||||||
1129 | int64_t Value = CE->getValue(); | ||||||||
1130 | return Value >= N && Value <= M; | ||||||||
1131 | } | ||||||||
1132 | |||||||||
1133 | template<int64_t N, int64_t M> | ||||||||
1134 | bool isImmediateS4() const { | ||||||||
1135 | if (!isImm()) return false; | ||||||||
1136 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
1137 | if (!CE) return false; | ||||||||
1138 | int64_t Value = CE->getValue(); | ||||||||
1139 | return ((Value & 3) == 0) && Value >= N && Value <= M; | ||||||||
1140 | } | ||||||||
1141 | template<int64_t N, int64_t M> | ||||||||
1142 | bool isImmediateS2() const { | ||||||||
1143 | if (!isImm()) return false; | ||||||||
1144 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
1145 | if (!CE) return false; | ||||||||
1146 | int64_t Value = CE->getValue(); | ||||||||
1147 | return ((Value & 1) == 0) && Value >= N && Value <= M; | ||||||||
1148 | } | ||||||||
1149 | bool isFBits16() const { | ||||||||
1150 | return isImmediate<0, 17>(); | ||||||||
1151 | } | ||||||||
1152 | bool isFBits32() const { | ||||||||
1153 | return isImmediate<1, 33>(); | ||||||||
1154 | } | ||||||||
1155 | bool isImm8s4() const { | ||||||||
1156 | return isImmediateS4<-1020, 1020>(); | ||||||||
1157 | } | ||||||||
1158 | bool isImm7s4() const { | ||||||||
1159 | return isImmediateS4<-508, 508>(); | ||||||||
1160 | } | ||||||||
1161 | bool isImm7Shift0() const { | ||||||||
1162 | return isImmediate<-127, 127>(); | ||||||||
1163 | } | ||||||||
1164 | bool isImm7Shift1() const { | ||||||||
1165 | return isImmediateS2<-255, 255>(); | ||||||||
1166 | } | ||||||||
1167 | bool isImm7Shift2() const { | ||||||||
1168 | return isImmediateS4<-511, 511>(); | ||||||||
1169 | } | ||||||||
1170 | bool isImm7() const { | ||||||||
1171 | return isImmediate<-127, 127>(); | ||||||||
1172 | } | ||||||||
1173 | bool isImm0_1020s4() const { | ||||||||
1174 | return isImmediateS4<0, 1020>(); | ||||||||
1175 | } | ||||||||
1176 | bool isImm0_508s4() const { | ||||||||
1177 | return isImmediateS4<0, 508>(); | ||||||||
1178 | } | ||||||||
1179 | bool isImm0_508s4Neg() const { | ||||||||
1180 | if (!isImm()) return false; | ||||||||
1181 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
1182 | if (!CE) return false; | ||||||||
1183 | int64_t Value = -CE->getValue(); | ||||||||
1184 | // explicitly exclude zero. we want that to use the normal 0_508 version. | ||||||||
1185 | return ((Value & 3) == 0) && Value > 0 && Value <= 508; | ||||||||
1186 | } | ||||||||
1187 | |||||||||
1188 | bool isImm0_4095Neg() const { | ||||||||
1189 | if (!isImm()) return false; | ||||||||
1190 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
1191 | if (!CE) return false; | ||||||||
1192 | // isImm0_4095Neg is used with 32-bit immediates only. | ||||||||
1193 | // 32-bit immediates are zero extended to 64-bit when parsed, | ||||||||
1194 | // thus simple -CE->getValue() results in a big negative number, | ||||||||
1195 | // not a small positive number as intended | ||||||||
1196 | if ((CE->getValue() >> 32) > 0) return false; | ||||||||
1197 | uint32_t Value = -static_cast<uint32_t>(CE->getValue()); | ||||||||
1198 | return Value > 0 && Value < 4096; | ||||||||
1199 | } | ||||||||
1200 | |||||||||
1201 | bool isImm0_7() const { | ||||||||
1202 | return isImmediate<0, 7>(); | ||||||||
1203 | } | ||||||||
1204 | |||||||||
1205 | bool isImm1_16() const { | ||||||||
1206 | return isImmediate<1, 16>(); | ||||||||
1207 | } | ||||||||
1208 | |||||||||
1209 | bool isImm1_32() const { | ||||||||
1210 | return isImmediate<1, 32>(); | ||||||||
1211 | } | ||||||||
1212 | |||||||||
1213 | bool isImm8_255() const { | ||||||||
1214 | return isImmediate<8, 255>(); | ||||||||
1215 | } | ||||||||
1216 | |||||||||
1217 | bool isImm256_65535Expr() const { | ||||||||
1218 | if (!isImm()) return false; | ||||||||
1219 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
1220 | // If it's not a constant expression, it'll generate a fixup and be | ||||||||
1221 | // handled later. | ||||||||
1222 | if (!CE) return true; | ||||||||
1223 | int64_t Value = CE->getValue(); | ||||||||
1224 | return Value >= 256 && Value < 65536; | ||||||||
1225 | } | ||||||||
1226 | |||||||||
1227 | bool isImm0_65535Expr() const { | ||||||||
1228 | if (!isImm()) return false; | ||||||||
1229 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
1230 | // If it's not a constant expression, it'll generate a fixup and be | ||||||||
1231 | // handled later. | ||||||||
1232 | if (!CE) return true; | ||||||||
1233 | int64_t Value = CE->getValue(); | ||||||||
1234 | return Value >= 0 && Value < 65536; | ||||||||
1235 | } | ||||||||
1236 | |||||||||
1237 | bool isImm24bit() const { | ||||||||
1238 | return isImmediate<0, 0xffffff + 1>(); | ||||||||
1239 | } | ||||||||
1240 | |||||||||
1241 | bool isImmThumbSR() const { | ||||||||
1242 | return isImmediate<1, 33>(); | ||||||||
1243 | } | ||||||||
1244 | |||||||||
1245 | template<int shift> | ||||||||
1246 | bool isExpImmValue(uint64_t Value) const { | ||||||||
1247 | uint64_t mask = (1 << shift) - 1; | ||||||||
1248 | if ((Value & mask) != 0 || (Value >> shift) > 0xff) | ||||||||
1249 | return false; | ||||||||
1250 | return true; | ||||||||
1251 | } | ||||||||
1252 | |||||||||
1253 | template<int shift> | ||||||||
1254 | bool isExpImm() const { | ||||||||
1255 | if (!isImm()) return false; | ||||||||
1256 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
1257 | if (!CE) return false; | ||||||||
1258 | |||||||||
1259 | return isExpImmValue<shift>(CE->getValue()); | ||||||||
1260 | } | ||||||||
1261 | |||||||||
1262 | template<int shift, int size> | ||||||||
1263 | bool isInvertedExpImm() const { | ||||||||
1264 | if (!isImm()) return false; | ||||||||
1265 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
1266 | if (!CE) return false; | ||||||||
1267 | |||||||||
1268 | uint64_t OriginalValue = CE->getValue(); | ||||||||
1269 | uint64_t InvertedValue = OriginalValue ^ (((uint64_t)1 << size) - 1); | ||||||||
1270 | return isExpImmValue<shift>(InvertedValue); | ||||||||
1271 | } | ||||||||
1272 | |||||||||
1273 | bool isPKHLSLImm() const { | ||||||||
1274 | return isImmediate<0, 32>(); | ||||||||
1275 | } | ||||||||
1276 | |||||||||
1277 | bool isPKHASRImm() const { | ||||||||
1278 | return isImmediate<0, 33>(); | ||||||||
1279 | } | ||||||||
1280 | |||||||||
1281 | bool isAdrLabel() const { | ||||||||
1282 | // If we have an immediate that's not a constant, treat it as a label | ||||||||
1283 | // reference needing a fixup. | ||||||||
1284 | if (isImm() && !isa<MCConstantExpr>(getImm())) | ||||||||
1285 | return true; | ||||||||
1286 | |||||||||
1287 | // If it is a constant, it must fit into a modified immediate encoding. | ||||||||
1288 | if (!isImm()) return false; | ||||||||
1289 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
1290 | if (!CE) return false; | ||||||||
1291 | int64_t Value = CE->getValue(); | ||||||||
1292 | return (ARM_AM::getSOImmVal(Value) != -1 || | ||||||||
1293 | ARM_AM::getSOImmVal(-Value) != -1); | ||||||||
1294 | } | ||||||||
1295 | |||||||||
1296 | bool isT2SOImm() const { | ||||||||
1297 | // If we have an immediate that's not a constant, treat it as an expression | ||||||||
1298 | // needing a fixup. | ||||||||
1299 | if (isImm() && !isa<MCConstantExpr>(getImm())) { | ||||||||
1300 | // We want to avoid matching :upper16: and :lower16: as we want these | ||||||||
1301 | // expressions to match in isImm0_65535Expr() | ||||||||
1302 | const ARMMCExpr *ARM16Expr = dyn_cast<ARMMCExpr>(getImm()); | ||||||||
1303 | return (!ARM16Expr || (ARM16Expr->getKind() != ARMMCExpr::VK_ARM_HI16 && | ||||||||
1304 | ARM16Expr->getKind() != ARMMCExpr::VK_ARM_LO16)); | ||||||||
1305 | } | ||||||||
1306 | if (!isImm()) return false; | ||||||||
1307 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
1308 | if (!CE) return false; | ||||||||
1309 | int64_t Value = CE->getValue(); | ||||||||
1310 | return ARM_AM::getT2SOImmVal(Value) != -1; | ||||||||
1311 | } | ||||||||
1312 | |||||||||
1313 | bool isT2SOImmNot() const { | ||||||||
1314 | if (!isImm()) return false; | ||||||||
1315 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
1316 | if (!CE) return false; | ||||||||
1317 | int64_t Value = CE->getValue(); | ||||||||
1318 | return ARM_AM::getT2SOImmVal(Value) == -1 && | ||||||||
1319 | ARM_AM::getT2SOImmVal(~Value) != -1; | ||||||||
1320 | } | ||||||||
1321 | |||||||||
1322 | bool isT2SOImmNeg() const { | ||||||||
1323 | if (!isImm()) return false; | ||||||||
1324 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
1325 | if (!CE) return false; | ||||||||
1326 | int64_t Value = CE->getValue(); | ||||||||
1327 | // Only use this when not representable as a plain so_imm. | ||||||||
1328 | return ARM_AM::getT2SOImmVal(Value) == -1 && | ||||||||
1329 | ARM_AM::getT2SOImmVal(-Value) != -1; | ||||||||
1330 | } | ||||||||
1331 | |||||||||
1332 | bool isSetEndImm() const { | ||||||||
1333 | if (!isImm()) return false; | ||||||||
1334 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
1335 | if (!CE) return false; | ||||||||
1336 | int64_t Value = CE->getValue(); | ||||||||
1337 | return Value == 1 || Value == 0; | ||||||||
1338 | } | ||||||||
1339 | |||||||||
1340 | bool isReg() const override { return Kind == k_Register; } | ||||||||
1341 | bool isRegList() const { return Kind == k_RegisterList; } | ||||||||
1342 | bool isRegListWithAPSR() const { | ||||||||
1343 | return Kind == k_RegisterListWithAPSR || Kind == k_RegisterList; | ||||||||
1344 | } | ||||||||
1345 | bool isDPRRegList() const { return Kind == k_DPRRegisterList; } | ||||||||
1346 | bool isSPRRegList() const { return Kind == k_SPRRegisterList; } | ||||||||
1347 | bool isFPSRegListWithVPR() const { return Kind == k_FPSRegisterListWithVPR; } | ||||||||
1348 | bool isFPDRegListWithVPR() const { return Kind == k_FPDRegisterListWithVPR; } | ||||||||
1349 | bool isToken() const override { return Kind == k_Token; } | ||||||||
1350 | bool isMemBarrierOpt() const { return Kind == k_MemBarrierOpt; } | ||||||||
1351 | bool isInstSyncBarrierOpt() const { return Kind == k_InstSyncBarrierOpt; } | ||||||||
1352 | bool isTraceSyncBarrierOpt() const { return Kind == k_TraceSyncBarrierOpt; } | ||||||||
1353 | bool isMem() const override { | ||||||||
1354 | return isGPRMem() || isMVEMem(); | ||||||||
1355 | } | ||||||||
1356 | bool isMVEMem() const { | ||||||||
1357 | if (Kind != k_Memory) | ||||||||
1358 | return false; | ||||||||
1359 | if (Memory.BaseRegNum && | ||||||||
1360 | !ARMMCRegisterClasses[ARM::GPRRegClassID].contains(Memory.BaseRegNum) && | ||||||||
1361 | !ARMMCRegisterClasses[ARM::MQPRRegClassID].contains(Memory.BaseRegNum)) | ||||||||
1362 | return false; | ||||||||
1363 | if (Memory.OffsetRegNum && | ||||||||
1364 | !ARMMCRegisterClasses[ARM::MQPRRegClassID].contains( | ||||||||
1365 | Memory.OffsetRegNum)) | ||||||||
1366 | return false; | ||||||||
1367 | return true; | ||||||||
1368 | } | ||||||||
1369 | bool isGPRMem() const { | ||||||||
1370 | if (Kind != k_Memory) | ||||||||
1371 | return false; | ||||||||
1372 | if (Memory.BaseRegNum && | ||||||||
1373 | !ARMMCRegisterClasses[ARM::GPRRegClassID].contains(Memory.BaseRegNum)) | ||||||||
1374 | return false; | ||||||||
1375 | if (Memory.OffsetRegNum && | ||||||||
1376 | !ARMMCRegisterClasses[ARM::GPRRegClassID].contains(Memory.OffsetRegNum)) | ||||||||
1377 | return false; | ||||||||
1378 | return true; | ||||||||
1379 | } | ||||||||
1380 | bool isShifterImm() const { return Kind == k_ShifterImmediate; } | ||||||||
1381 | bool isRegShiftedReg() const { | ||||||||
1382 | return Kind == k_ShiftedRegister && | ||||||||
1383 | ARMMCRegisterClasses[ARM::GPRRegClassID].contains( | ||||||||
1384 | RegShiftedReg.SrcReg) && | ||||||||
1385 | ARMMCRegisterClasses[ARM::GPRRegClassID].contains( | ||||||||
1386 | RegShiftedReg.ShiftReg); | ||||||||
1387 | } | ||||||||
1388 | bool isRegShiftedImm() const { | ||||||||
1389 | return Kind == k_ShiftedImmediate && | ||||||||
1390 | ARMMCRegisterClasses[ARM::GPRRegClassID].contains( | ||||||||
1391 | RegShiftedImm.SrcReg); | ||||||||
1392 | } | ||||||||
1393 | bool isRotImm() const { return Kind == k_RotateImmediate; } | ||||||||
1394 | |||||||||
1395 | template<unsigned Min, unsigned Max> | ||||||||
1396 | bool isPowerTwoInRange() const { | ||||||||
1397 | if (!isImm()) return false; | ||||||||
1398 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
1399 | if (!CE) return false; | ||||||||
1400 | int64_t Value = CE->getValue(); | ||||||||
1401 | return Value > 0 && countPopulation((uint64_t)Value) == 1 && | ||||||||
1402 | Value >= Min && Value <= Max; | ||||||||
1403 | } | ||||||||
1404 | bool isModImm() const { return Kind == k_ModifiedImmediate; } | ||||||||
1405 | |||||||||
1406 | bool isModImmNot() const { | ||||||||
1407 | if (!isImm()) return false; | ||||||||
1408 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
1409 | if (!CE) return false; | ||||||||
1410 | int64_t Value = CE->getValue(); | ||||||||
1411 | return ARM_AM::getSOImmVal(~Value) != -1; | ||||||||
1412 | } | ||||||||
1413 | |||||||||
1414 | bool isModImmNeg() const { | ||||||||
1415 | if (!isImm()) return false; | ||||||||
1416 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
1417 | if (!CE) return false; | ||||||||
1418 | int64_t Value = CE->getValue(); | ||||||||
1419 | return ARM_AM::getSOImmVal(Value) == -1 && | ||||||||
1420 | ARM_AM::getSOImmVal(-Value) != -1; | ||||||||
1421 | } | ||||||||
1422 | |||||||||
1423 | bool isThumbModImmNeg1_7() const { | ||||||||
1424 | if (!isImm()) return false; | ||||||||
1425 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
1426 | if (!CE) return false; | ||||||||
1427 | int32_t Value = -(int32_t)CE->getValue(); | ||||||||
1428 | return 0 < Value && Value < 8; | ||||||||
1429 | } | ||||||||
1430 | |||||||||
1431 | bool isThumbModImmNeg8_255() const { | ||||||||
1432 | if (!isImm()) return false; | ||||||||
1433 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
1434 | if (!CE) return false; | ||||||||
1435 | int32_t Value = -(int32_t)CE->getValue(); | ||||||||
1436 | return 7 < Value && Value < 256; | ||||||||
1437 | } | ||||||||
1438 | |||||||||
1439 | bool isConstantPoolImm() const { return Kind == k_ConstantPoolImmediate; } | ||||||||
1440 | bool isBitfield() const { return Kind == k_BitfieldDescriptor; } | ||||||||
1441 | bool isPostIdxRegShifted() const { | ||||||||
1442 | return Kind == k_PostIndexRegister && | ||||||||
1443 | ARMMCRegisterClasses[ARM::GPRRegClassID].contains(PostIdxReg.RegNum); | ||||||||
1444 | } | ||||||||
1445 | bool isPostIdxReg() const { | ||||||||
1446 | return isPostIdxRegShifted() && PostIdxReg.ShiftTy == ARM_AM::no_shift; | ||||||||
1447 | } | ||||||||
1448 | bool isMemNoOffset(bool alignOK = false, unsigned Alignment = 0) const { | ||||||||
1449 | if (!isGPRMem()) | ||||||||
1450 | return false; | ||||||||
1451 | // No offset of any kind. | ||||||||
1452 | return Memory.OffsetRegNum == 0 && Memory.OffsetImm == nullptr && | ||||||||
1453 | (alignOK || Memory.Alignment == Alignment); | ||||||||
1454 | } | ||||||||
1455 | bool isMemNoOffsetT2(bool alignOK = false, unsigned Alignment = 0) const { | ||||||||
1456 | if (!isGPRMem()) | ||||||||
1457 | return false; | ||||||||
1458 | |||||||||
1459 | if (!ARMMCRegisterClasses[ARM::GPRnopcRegClassID].contains( | ||||||||
1460 | Memory.BaseRegNum)) | ||||||||
1461 | return false; | ||||||||
1462 | |||||||||
1463 | // No offset of any kind. | ||||||||
1464 | return Memory.OffsetRegNum == 0 && Memory.OffsetImm == nullptr && | ||||||||
1465 | (alignOK || Memory.Alignment == Alignment); | ||||||||
1466 | } | ||||||||
1467 | bool isMemNoOffsetT2NoSp(bool alignOK = false, unsigned Alignment = 0) const { | ||||||||
1468 | if (!isGPRMem()) | ||||||||
1469 | return false; | ||||||||
1470 | |||||||||
1471 | if (!ARMMCRegisterClasses[ARM::rGPRRegClassID].contains( | ||||||||
1472 | Memory.BaseRegNum)) | ||||||||
1473 | return false; | ||||||||
1474 | |||||||||
1475 | // No offset of any kind. | ||||||||
1476 | return Memory.OffsetRegNum == 0 && Memory.OffsetImm == nullptr && | ||||||||
1477 | (alignOK || Memory.Alignment == Alignment); | ||||||||
1478 | } | ||||||||
1479 | bool isMemNoOffsetT(bool alignOK = false, unsigned Alignment = 0) const { | ||||||||
1480 | if (!isGPRMem()) | ||||||||
1481 | return false; | ||||||||
1482 | |||||||||
1483 | if (!ARMMCRegisterClasses[ARM::tGPRRegClassID].contains( | ||||||||
1484 | Memory.BaseRegNum)) | ||||||||
1485 | return false; | ||||||||
1486 | |||||||||
1487 | // No offset of any kind. | ||||||||
1488 | return Memory.OffsetRegNum == 0 && Memory.OffsetImm == nullptr && | ||||||||
1489 | (alignOK || Memory.Alignment == Alignment); | ||||||||
1490 | } | ||||||||
1491 | bool isMemPCRelImm12() const { | ||||||||
1492 | if (!isGPRMem() || Memory.OffsetRegNum != 0 || Memory.Alignment != 0) | ||||||||
1493 | return false; | ||||||||
1494 | // Base register must be PC. | ||||||||
1495 | if (Memory.BaseRegNum != ARM::PC) | ||||||||
1496 | return false; | ||||||||
1497 | // Immediate offset in range [-4095, 4095]. | ||||||||
1498 | if (!Memory.OffsetImm) return true; | ||||||||
1499 | int64_t Val = Memory.OffsetImm->getValue(); | ||||||||
1500 | return (Val > -4096 && Val < 4096) || | ||||||||
1501 | (Val == std::numeric_limits<int32_t>::min()); | ||||||||
1502 | } | ||||||||
1503 | |||||||||
1504 | bool isAlignedMemory() const { | ||||||||
1505 | return isMemNoOffset(true); | ||||||||
1506 | } | ||||||||
1507 | |||||||||
1508 | bool isAlignedMemoryNone() const { | ||||||||
1509 | return isMemNoOffset(false, 0); | ||||||||
1510 | } | ||||||||
1511 | |||||||||
1512 | bool isDupAlignedMemoryNone() const { | ||||||||
1513 | return isMemNoOffset(false, 0); | ||||||||
1514 | } | ||||||||
1515 | |||||||||
1516 | bool isAlignedMemory16() const { | ||||||||
1517 | if (isMemNoOffset(false, 2)) // alignment in bytes for 16-bits is 2. | ||||||||
1518 | return true; | ||||||||
1519 | return isMemNoOffset(false, 0); | ||||||||
1520 | } | ||||||||
1521 | |||||||||
1522 | bool isDupAlignedMemory16() const { | ||||||||
1523 | if (isMemNoOffset(false, 2)) // alignment in bytes for 16-bits is 2. | ||||||||
1524 | return true; | ||||||||
1525 | return isMemNoOffset(false, 0); | ||||||||
1526 | } | ||||||||
1527 | |||||||||
1528 | bool isAlignedMemory32() const { | ||||||||
1529 | if (isMemNoOffset(false, 4)) // alignment in bytes for 32-bits is 4. | ||||||||
1530 | return true; | ||||||||
1531 | return isMemNoOffset(false, 0); | ||||||||
1532 | } | ||||||||
1533 | |||||||||
1534 | bool isDupAlignedMemory32() const { | ||||||||
1535 | if (isMemNoOffset(false, 4)) // alignment in bytes for 32-bits is 4. | ||||||||
1536 | return true; | ||||||||
1537 | return isMemNoOffset(false, 0); | ||||||||
1538 | } | ||||||||
1539 | |||||||||
1540 | bool isAlignedMemory64() const { | ||||||||
1541 | if (isMemNoOffset(false, 8)) // alignment in bytes for 64-bits is 8. | ||||||||
1542 | return true; | ||||||||
1543 | return isMemNoOffset(false, 0); | ||||||||
1544 | } | ||||||||
1545 | |||||||||
1546 | bool isDupAlignedMemory64() const { | ||||||||
1547 | if (isMemNoOffset(false, 8)) // alignment in bytes for 64-bits is 8. | ||||||||
1548 | return true; | ||||||||
1549 | return isMemNoOffset(false, 0); | ||||||||
1550 | } | ||||||||
1551 | |||||||||
1552 | bool isAlignedMemory64or128() const { | ||||||||
1553 | if (isMemNoOffset(false, 8)) // alignment in bytes for 64-bits is 8. | ||||||||
1554 | return true; | ||||||||
1555 | if (isMemNoOffset(false, 16)) // alignment in bytes for 128-bits is 16. | ||||||||
1556 | return true; | ||||||||
1557 | return isMemNoOffset(false, 0); | ||||||||
1558 | } | ||||||||
1559 | |||||||||
1560 | bool isDupAlignedMemory64or128() const { | ||||||||
1561 | if (isMemNoOffset(false, 8)) // alignment in bytes for 64-bits is 8. | ||||||||
1562 | return true; | ||||||||
1563 | if (isMemNoOffset(false, 16)) // alignment in bytes for 128-bits is 16. | ||||||||
1564 | return true; | ||||||||
1565 | return isMemNoOffset(false, 0); | ||||||||
1566 | } | ||||||||
1567 | |||||||||
1568 | bool isAlignedMemory64or128or256() const { | ||||||||
1569 | if (isMemNoOffset(false, 8)) // alignment in bytes for 64-bits is 8. | ||||||||
1570 | return true; | ||||||||
1571 | if (isMemNoOffset(false, 16)) // alignment in bytes for 128-bits is 16. | ||||||||
1572 | return true; | ||||||||
1573 | if (isMemNoOffset(false, 32)) // alignment in bytes for 256-bits is 32. | ||||||||
1574 | return true; | ||||||||
1575 | return isMemNoOffset(false, 0); | ||||||||
1576 | } | ||||||||
1577 | |||||||||
1578 | bool isAddrMode2() const { | ||||||||
1579 | if (!isGPRMem() || Memory.Alignment != 0) return false; | ||||||||
1580 | // Check for register offset. | ||||||||
1581 | if (Memory.OffsetRegNum) return true; | ||||||||
1582 | // Immediate offset in range [-4095, 4095]. | ||||||||
1583 | if (!Memory.OffsetImm) return true; | ||||||||
1584 | int64_t Val = Memory.OffsetImm->getValue(); | ||||||||
1585 | return Val > -4096 && Val < 4096; | ||||||||
1586 | } | ||||||||
1587 | |||||||||
1588 | bool isAM2OffsetImm() const { | ||||||||
1589 | if (!isImm()) return false; | ||||||||
1590 | // Immediate offset in range [-4095, 4095]. | ||||||||
1591 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
1592 | if (!CE) return false; | ||||||||
1593 | int64_t Val = CE->getValue(); | ||||||||
1594 | return (Val == std::numeric_limits<int32_t>::min()) || | ||||||||
1595 | (Val > -4096 && Val < 4096); | ||||||||
1596 | } | ||||||||
1597 | |||||||||
1598 | bool isAddrMode3() const { | ||||||||
1599 | // If we have an immediate that's not a constant, treat it as a label | ||||||||
1600 | // reference needing a fixup. If it is a constant, it's something else | ||||||||
1601 | // and we reject it. | ||||||||
1602 | if (isImm() && !isa<MCConstantExpr>(getImm())) | ||||||||
1603 | return true; | ||||||||
1604 | if (!isGPRMem() || Memory.Alignment != 0) return false; | ||||||||
1605 | // No shifts are legal for AM3. | ||||||||
1606 | if (Memory.ShiftType != ARM_AM::no_shift) return false; | ||||||||
1607 | // Check for register offset. | ||||||||
1608 | if (Memory.OffsetRegNum) return true; | ||||||||
1609 | // Immediate offset in range [-255, 255]. | ||||||||
1610 | if (!Memory.OffsetImm) return true; | ||||||||
1611 | int64_t Val = Memory.OffsetImm->getValue(); | ||||||||
1612 | // The #-0 offset is encoded as std::numeric_limits<int32_t>::min(), and we | ||||||||
1613 | // have to check for this too. | ||||||||
1614 | return (Val > -256 && Val < 256) || | ||||||||
1615 | Val == std::numeric_limits<int32_t>::min(); | ||||||||
1616 | } | ||||||||
1617 | |||||||||
1618 | bool isAM3Offset() const { | ||||||||
1619 | if (isPostIdxReg()) | ||||||||
1620 | return true; | ||||||||
1621 | if (!isImm()) | ||||||||
1622 | return false; | ||||||||
1623 | // Immediate offset in range [-255, 255]. | ||||||||
1624 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
1625 | if (!CE) return false; | ||||||||
1626 | int64_t Val = CE->getValue(); | ||||||||
1627 | // Special case, #-0 is std::numeric_limits<int32_t>::min(). | ||||||||
1628 | return (Val > -256 && Val < 256) || | ||||||||
1629 | Val == std::numeric_limits<int32_t>::min(); | ||||||||
1630 | } | ||||||||
1631 | |||||||||
1632 | bool isAddrMode5() const { | ||||||||
1633 | // If we have an immediate that's not a constant, treat it as a label | ||||||||
1634 | // reference needing a fixup. If it is a constant, it's something else | ||||||||
1635 | // and we reject it. | ||||||||
1636 | if (isImm() && !isa<MCConstantExpr>(getImm())) | ||||||||
1637 | return true; | ||||||||
1638 | if (!isGPRMem() || Memory.Alignment != 0) return false; | ||||||||
1639 | // Check for register offset. | ||||||||
1640 | if (Memory.OffsetRegNum) return false; | ||||||||
1641 | // Immediate offset in range [-1020, 1020] and a multiple of 4. | ||||||||
1642 | if (!Memory.OffsetImm) return true; | ||||||||
1643 | int64_t Val = Memory.OffsetImm->getValue(); | ||||||||
1644 | return (Val >= -1020 && Val <= 1020 && ((Val & 3) == 0)) || | ||||||||
1645 | Val == std::numeric_limits<int32_t>::min(); | ||||||||
1646 | } | ||||||||
1647 | |||||||||
1648 | bool isAddrMode5FP16() const { | ||||||||
1649 | // If we have an immediate that's not a constant, treat it as a label | ||||||||
1650 | // reference needing a fixup. If it is a constant, it's something else | ||||||||
1651 | // and we reject it. | ||||||||
1652 | if (isImm() && !isa<MCConstantExpr>(getImm())) | ||||||||
1653 | return true; | ||||||||
1654 | if (!isGPRMem() || Memory.Alignment != 0) return false; | ||||||||
1655 | // Check for register offset. | ||||||||
1656 | if (Memory.OffsetRegNum) return false; | ||||||||
1657 | // Immediate offset in range [-510, 510] and a multiple of 2. | ||||||||
1658 | if (!Memory.OffsetImm) return true; | ||||||||
1659 | int64_t Val = Memory.OffsetImm->getValue(); | ||||||||
1660 | return (Val >= -510 && Val <= 510 && ((Val & 1) == 0)) || | ||||||||
1661 | Val == std::numeric_limits<int32_t>::min(); | ||||||||
1662 | } | ||||||||
1663 | |||||||||
1664 | bool isMemTBB() const { | ||||||||
1665 | if (!isGPRMem() || !Memory.OffsetRegNum || Memory.isNegative || | ||||||||
1666 | Memory.ShiftType != ARM_AM::no_shift || Memory.Alignment != 0) | ||||||||
1667 | return false; | ||||||||
1668 | return true; | ||||||||
1669 | } | ||||||||
1670 | |||||||||
1671 | bool isMemTBH() const { | ||||||||
1672 | if (!isGPRMem() || !Memory.OffsetRegNum || Memory.isNegative || | ||||||||
1673 | Memory.ShiftType != ARM_AM::lsl || Memory.ShiftImm != 1 || | ||||||||
1674 | Memory.Alignment != 0 ) | ||||||||
1675 | return false; | ||||||||
1676 | return true; | ||||||||
1677 | } | ||||||||
1678 | |||||||||
1679 | bool isMemRegOffset() const { | ||||||||
1680 | if (!isGPRMem() || !Memory.OffsetRegNum || Memory.Alignment != 0) | ||||||||
1681 | return false; | ||||||||
1682 | return true; | ||||||||
1683 | } | ||||||||
1684 | |||||||||
1685 | bool isT2MemRegOffset() const { | ||||||||
1686 | if (!isGPRMem() || !Memory.OffsetRegNum || Memory.isNegative || | ||||||||
1687 | Memory.Alignment != 0 || Memory.BaseRegNum == ARM::PC) | ||||||||
1688 | return false; | ||||||||
1689 | // Only lsl #{0, 1, 2, 3} allowed. | ||||||||
1690 | if (Memory.ShiftType == ARM_AM::no_shift) | ||||||||
1691 | return true; | ||||||||
1692 | if (Memory.ShiftType != ARM_AM::lsl || Memory.ShiftImm > 3) | ||||||||
1693 | return false; | ||||||||
1694 | return true; | ||||||||
1695 | } | ||||||||
1696 | |||||||||
1697 | bool isMemThumbRR() const { | ||||||||
1698 | // Thumb reg+reg addressing is simple. Just two registers, a base and | ||||||||
1699 | // an offset. No shifts, negations or any other complicating factors. | ||||||||
1700 | if (!isGPRMem() || !Memory.OffsetRegNum || Memory.isNegative || | ||||||||
1701 | Memory.ShiftType != ARM_AM::no_shift || Memory.Alignment != 0) | ||||||||
1702 | return false; | ||||||||
1703 | return isARMLowRegister(Memory.BaseRegNum) && | ||||||||
1704 | (!Memory.OffsetRegNum || isARMLowRegister(Memory.OffsetRegNum)); | ||||||||
1705 | } | ||||||||
1706 | |||||||||
1707 | bool isMemThumbRIs4() const { | ||||||||
1708 | if (!isGPRMem() || Memory.OffsetRegNum != 0 || | ||||||||
1709 | !isARMLowRegister(Memory.BaseRegNum) || Memory.Alignment != 0) | ||||||||
1710 | return false; | ||||||||
1711 | // Immediate offset, multiple of 4 in range [0, 124]. | ||||||||
1712 | if (!Memory.OffsetImm) return true; | ||||||||
1713 | int64_t Val = Memory.OffsetImm->getValue(); | ||||||||
1714 | return Val >= 0 && Val <= 124 && (Val % 4) == 0; | ||||||||
1715 | } | ||||||||
1716 | |||||||||
1717 | bool isMemThumbRIs2() const { | ||||||||
1718 | if (!isGPRMem() || Memory.OffsetRegNum != 0 || | ||||||||
1719 | !isARMLowRegister(Memory.BaseRegNum) || Memory.Alignment != 0) | ||||||||
1720 | return false; | ||||||||
1721 | // Immediate offset, multiple of 4 in range [0, 62]. | ||||||||
1722 | if (!Memory.OffsetImm) return true; | ||||||||
1723 | int64_t Val = Memory.OffsetImm->getValue(); | ||||||||
1724 | return Val >= 0 && Val <= 62 && (Val % 2) == 0; | ||||||||
1725 | } | ||||||||
1726 | |||||||||
1727 | bool isMemThumbRIs1() const { | ||||||||
1728 | if (!isGPRMem() || Memory.OffsetRegNum != 0 || | ||||||||
1729 | !isARMLowRegister(Memory.BaseRegNum) || Memory.Alignment != 0) | ||||||||
1730 | return false; | ||||||||
1731 | // Immediate offset in range [0, 31]. | ||||||||
1732 | if (!Memory.OffsetImm) return true; | ||||||||
1733 | int64_t Val = Memory.OffsetImm->getValue(); | ||||||||
1734 | return Val >= 0 && Val <= 31; | ||||||||
1735 | } | ||||||||
1736 | |||||||||
1737 | bool isMemThumbSPI() const { | ||||||||
1738 | if (!isGPRMem() || Memory.OffsetRegNum != 0 || | ||||||||
1739 | Memory.BaseRegNum != ARM::SP || Memory.Alignment != 0) | ||||||||
1740 | return false; | ||||||||
1741 | // Immediate offset, multiple of 4 in range [0, 1020]. | ||||||||
1742 | if (!Memory.OffsetImm) return true; | ||||||||
1743 | int64_t Val = Memory.OffsetImm->getValue(); | ||||||||
1744 | return Val >= 0 && Val <= 1020 && (Val % 4) == 0; | ||||||||
1745 | } | ||||||||
1746 | |||||||||
1747 | bool isMemImm8s4Offset() const { | ||||||||
1748 | // If we have an immediate that's not a constant, treat it as a label | ||||||||
1749 | // reference needing a fixup. If it is a constant, it's something else | ||||||||
1750 | // and we reject it. | ||||||||
1751 | if (isImm() && !isa<MCConstantExpr>(getImm())) | ||||||||
1752 | return true; | ||||||||
1753 | if (!isGPRMem() || Memory.OffsetRegNum != 0 || Memory.Alignment != 0) | ||||||||
1754 | return false; | ||||||||
1755 | // Immediate offset a multiple of 4 in range [-1020, 1020]. | ||||||||
1756 | if (!Memory.OffsetImm) return true; | ||||||||
1757 | int64_t Val = Memory.OffsetImm->getValue(); | ||||||||
1758 | // Special case, #-0 is std::numeric_limits<int32_t>::min(). | ||||||||
1759 | return (Val >= -1020 && Val <= 1020 && (Val & 3) == 0) || | ||||||||
1760 | Val == std::numeric_limits<int32_t>::min(); | ||||||||
1761 | } | ||||||||
1762 | bool isMemImm7s4Offset() const { | ||||||||
1763 | // If we have an immediate that's not a constant, treat it as a label | ||||||||
1764 | // reference needing a fixup. If it is a constant, it's something else | ||||||||
1765 | // and we reject it. | ||||||||
1766 | if (isImm() && !isa<MCConstantExpr>(getImm())) | ||||||||
1767 | return true; | ||||||||
1768 | if (!isGPRMem() || Memory.OffsetRegNum != 0 || Memory.Alignment != 0 || | ||||||||
1769 | !ARMMCRegisterClasses[ARM::GPRnopcRegClassID].contains( | ||||||||
1770 | Memory.BaseRegNum)) | ||||||||
1771 | return false; | ||||||||
1772 | // Immediate offset a multiple of 4 in range [-508, 508]. | ||||||||
1773 | if (!Memory.OffsetImm) return true; | ||||||||
1774 | int64_t Val = Memory.OffsetImm->getValue(); | ||||||||
1775 | // Special case, #-0 is INT32_MIN. | ||||||||
1776 | return (Val >= -508 && Val <= 508 && (Val & 3) == 0) || Val == INT32_MIN(-2147483647-1); | ||||||||
1777 | } | ||||||||
1778 | bool isMemImm0_1020s4Offset() const { | ||||||||
1779 | if (!isGPRMem() || Memory.OffsetRegNum != 0 || Memory.Alignment != 0) | ||||||||
1780 | return false; | ||||||||
1781 | // Immediate offset a multiple of 4 in range [0, 1020]. | ||||||||
1782 | if (!Memory.OffsetImm) return true; | ||||||||
1783 | int64_t Val = Memory.OffsetImm->getValue(); | ||||||||
1784 | return Val >= 0 && Val <= 1020 && (Val & 3) == 0; | ||||||||
1785 | } | ||||||||
1786 | |||||||||
1787 | bool isMemImm8Offset() const { | ||||||||
1788 | if (!isGPRMem() || Memory.OffsetRegNum != 0 || Memory.Alignment != 0) | ||||||||
1789 | return false; | ||||||||
1790 | // Base reg of PC isn't allowed for these encodings. | ||||||||
1791 | if (Memory.BaseRegNum == ARM::PC) return false; | ||||||||
1792 | // Immediate offset in range [-255, 255]. | ||||||||
1793 | if (!Memory.OffsetImm) return true; | ||||||||
1794 | int64_t Val = Memory.OffsetImm->getValue(); | ||||||||
1795 | return (Val == std::numeric_limits<int32_t>::min()) || | ||||||||
1796 | (Val > -256 && Val < 256); | ||||||||
1797 | } | ||||||||
1798 | |||||||||
1799 | template<unsigned Bits, unsigned RegClassID> | ||||||||
1800 | bool isMemImm7ShiftedOffset() const { | ||||||||
1801 | if (!isGPRMem() || Memory.OffsetRegNum != 0 || Memory.Alignment != 0 || | ||||||||
1802 | !ARMMCRegisterClasses[RegClassID].contains(Memory.BaseRegNum)) | ||||||||
1803 | return false; | ||||||||
1804 | |||||||||
1805 | // Expect an immediate offset equal to an element of the range | ||||||||
1806 | // [-127, 127], shifted left by Bits. | ||||||||
1807 | |||||||||
1808 | if (!Memory.OffsetImm) return true; | ||||||||
1809 | int64_t Val = Memory.OffsetImm->getValue(); | ||||||||
1810 | |||||||||
1811 | // INT32_MIN is a special-case value (indicating the encoding with | ||||||||
1812 | // zero offset and the subtract bit set) | ||||||||
1813 | if (Val == INT32_MIN(-2147483647-1)) | ||||||||
1814 | return true; | ||||||||
1815 | |||||||||
1816 | unsigned Divisor = 1U << Bits; | ||||||||
1817 | |||||||||
1818 | // Check that the low bits are zero | ||||||||
1819 | if (Val % Divisor != 0) | ||||||||
1820 | return false; | ||||||||
1821 | |||||||||
1822 | // Check that the remaining offset is within range. | ||||||||
1823 | Val /= Divisor; | ||||||||
1824 | return (Val >= -127 && Val <= 127); | ||||||||
1825 | } | ||||||||
1826 | |||||||||
1827 | template <int shift> bool isMemRegRQOffset() const { | ||||||||
1828 | if (!isMVEMem() || Memory.OffsetImm != 0 || Memory.Alignment != 0) | ||||||||
1829 | return false; | ||||||||
1830 | |||||||||
1831 | if (!ARMMCRegisterClasses[ARM::GPRnopcRegClassID].contains( | ||||||||
1832 | Memory.BaseRegNum)) | ||||||||
1833 | return false; | ||||||||
1834 | if (!ARMMCRegisterClasses[ARM::MQPRRegClassID].contains( | ||||||||
1835 | Memory.OffsetRegNum)) | ||||||||
1836 | return false; | ||||||||
1837 | |||||||||
1838 | if (shift == 0 && Memory.ShiftType != ARM_AM::no_shift) | ||||||||
1839 | return false; | ||||||||
1840 | |||||||||
1841 | if (shift > 0 && | ||||||||
1842 | (Memory.ShiftType != ARM_AM::uxtw || Memory.ShiftImm != shift)) | ||||||||
1843 | return false; | ||||||||
1844 | |||||||||
1845 | return true; | ||||||||
1846 | } | ||||||||
1847 | |||||||||
1848 | template <int shift> bool isMemRegQOffset() const { | ||||||||
1849 | if (!isMVEMem() || Memory.OffsetRegNum != 0 || Memory.Alignment != 0) | ||||||||
1850 | return false; | ||||||||
1851 | |||||||||
1852 | if (!ARMMCRegisterClasses[ARM::MQPRRegClassID].contains( | ||||||||
1853 | Memory.BaseRegNum)) | ||||||||
1854 | return false; | ||||||||
1855 | |||||||||
1856 | if(!Memory.OffsetImm) return true; | ||||||||
1857 | static_assert(shift < 56, | ||||||||
1858 | "Such that we dont shift by a value higher than 62"); | ||||||||
1859 | int64_t Val = Memory.OffsetImm->getValue(); | ||||||||
1860 | |||||||||
1861 | // The value must be a multiple of (1 << shift) | ||||||||
1862 | if ((Val & ((1U << shift) - 1)) != 0) | ||||||||
1863 | return false; | ||||||||
1864 | |||||||||
1865 | // And be in the right range, depending on the amount that it is shifted | ||||||||
1866 | // by. Shift 0, is equal to 7 unsigned bits, the sign bit is set | ||||||||
1867 | // separately. | ||||||||
1868 | int64_t Range = (1U << (7+shift)) - 1; | ||||||||
1869 | return (Val == INT32_MIN(-2147483647-1)) || (Val > -Range && Val < Range); | ||||||||
1870 | } | ||||||||
1871 | |||||||||
1872 | bool isMemPosImm8Offset() const { | ||||||||
1873 | if (!isGPRMem() || Memory.OffsetRegNum != 0 || Memory.Alignment != 0) | ||||||||
1874 | return false; | ||||||||
1875 | // Immediate offset in range [0, 255]. | ||||||||
1876 | if (!Memory.OffsetImm) return true; | ||||||||
1877 | int64_t Val = Memory.OffsetImm->getValue(); | ||||||||
1878 | return Val >= 0 && Val < 256; | ||||||||
1879 | } | ||||||||
1880 | |||||||||
1881 | bool isMemNegImm8Offset() const { | ||||||||
1882 | if (!isGPRMem() || Memory.OffsetRegNum != 0 || Memory.Alignment != 0) | ||||||||
1883 | return false; | ||||||||
1884 | // Base reg of PC isn't allowed for these encodings. | ||||||||
1885 | if (Memory.BaseRegNum == ARM::PC) return false; | ||||||||
1886 | // Immediate offset in range [-255, -1]. | ||||||||
1887 | if (!Memory.OffsetImm) return false; | ||||||||
1888 | int64_t Val = Memory.OffsetImm->getValue(); | ||||||||
1889 | return (Val == std::numeric_limits<int32_t>::min()) || | ||||||||
1890 | (Val > -256 && Val < 0); | ||||||||
1891 | } | ||||||||
1892 | |||||||||
1893 | bool isMemUImm12Offset() const { | ||||||||
1894 | if (!isGPRMem() || Memory.OffsetRegNum != 0 || Memory.Alignment != 0) | ||||||||
1895 | return false; | ||||||||
1896 | // Immediate offset in range [0, 4095]. | ||||||||
1897 | if (!Memory.OffsetImm) return true; | ||||||||
1898 | int64_t Val = Memory.OffsetImm->getValue(); | ||||||||
1899 | return (Val >= 0 && Val < 4096); | ||||||||
1900 | } | ||||||||
1901 | |||||||||
1902 | bool isMemImm12Offset() const { | ||||||||
1903 | // If we have an immediate that's not a constant, treat it as a label | ||||||||
1904 | // reference needing a fixup. If it is a constant, it's something else | ||||||||
1905 | // and we reject it. | ||||||||
1906 | |||||||||
1907 | if (isImm() && !isa<MCConstantExpr>(getImm())) | ||||||||
1908 | return true; | ||||||||
1909 | |||||||||
1910 | if (!isGPRMem() || Memory.OffsetRegNum != 0 || Memory.Alignment != 0) | ||||||||
1911 | return false; | ||||||||
1912 | // Immediate offset in range [-4095, 4095]. | ||||||||
1913 | if (!Memory.OffsetImm) return true; | ||||||||
1914 | int64_t Val = Memory.OffsetImm->getValue(); | ||||||||
1915 | return (Val > -4096 && Val < 4096) || | ||||||||
1916 | (Val == std::numeric_limits<int32_t>::min()); | ||||||||
1917 | } | ||||||||
1918 | |||||||||
1919 | bool isConstPoolAsmImm() const { | ||||||||
1920 | // Delay processing of Constant Pool Immediate, this will turn into | ||||||||
1921 | // a constant. Match no other operand | ||||||||
1922 | return (isConstantPoolImm()); | ||||||||
1923 | } | ||||||||
1924 | |||||||||
1925 | bool isPostIdxImm8() const { | ||||||||
1926 | if (!isImm()) return false; | ||||||||
1927 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
1928 | if (!CE) return false; | ||||||||
1929 | int64_t Val = CE->getValue(); | ||||||||
1930 | return (Val > -256 && Val < 256) || | ||||||||
1931 | (Val == std::numeric_limits<int32_t>::min()); | ||||||||
1932 | } | ||||||||
1933 | |||||||||
1934 | bool isPostIdxImm8s4() const { | ||||||||
1935 | if (!isImm()) return false; | ||||||||
1936 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
1937 | if (!CE) return false; | ||||||||
1938 | int64_t Val = CE->getValue(); | ||||||||
1939 | return ((Val & 3) == 0 && Val >= -1020 && Val <= 1020) || | ||||||||
1940 | (Val == std::numeric_limits<int32_t>::min()); | ||||||||
1941 | } | ||||||||
1942 | |||||||||
1943 | bool isMSRMask() const { return Kind == k_MSRMask; } | ||||||||
1944 | bool isBankedReg() const { return Kind == k_BankedReg; } | ||||||||
1945 | bool isProcIFlags() const { return Kind == k_ProcIFlags; } | ||||||||
1946 | |||||||||
1947 | // NEON operands. | ||||||||
1948 | bool isSingleSpacedVectorList() const { | ||||||||
1949 | return Kind == k_VectorList && !VectorList.isDoubleSpaced; | ||||||||
1950 | } | ||||||||
1951 | |||||||||
1952 | bool isDoubleSpacedVectorList() const { | ||||||||
1953 | return Kind == k_VectorList && VectorList.isDoubleSpaced; | ||||||||
1954 | } | ||||||||
1955 | |||||||||
1956 | bool isVecListOneD() const { | ||||||||
1957 | if (!isSingleSpacedVectorList()) return false; | ||||||||
1958 | return VectorList.Count == 1; | ||||||||
1959 | } | ||||||||
1960 | |||||||||
1961 | bool isVecListTwoMQ() const { | ||||||||
1962 | return isSingleSpacedVectorList() && VectorList.Count == 2 && | ||||||||
1963 | ARMMCRegisterClasses[ARM::MQPRRegClassID].contains( | ||||||||
1964 | VectorList.RegNum); | ||||||||
1965 | } | ||||||||
1966 | |||||||||
1967 | bool isVecListDPair() const { | ||||||||
1968 | if (!isSingleSpacedVectorList()) return false; | ||||||||
1969 | return (ARMMCRegisterClasses[ARM::DPairRegClassID] | ||||||||
1970 | .contains(VectorList.RegNum)); | ||||||||
1971 | } | ||||||||
1972 | |||||||||
1973 | bool isVecListThreeD() const { | ||||||||
1974 | if (!isSingleSpacedVectorList()) return false; | ||||||||
1975 | return VectorList.Count == 3; | ||||||||
1976 | } | ||||||||
1977 | |||||||||
1978 | bool isVecListFourD() const { | ||||||||
1979 | if (!isSingleSpacedVectorList()) return false; | ||||||||
1980 | return VectorList.Count == 4; | ||||||||
1981 | } | ||||||||
1982 | |||||||||
1983 | bool isVecListDPairSpaced() const { | ||||||||
1984 | if (Kind != k_VectorList) return false; | ||||||||
1985 | if (isSingleSpacedVectorList()) return false; | ||||||||
1986 | return (ARMMCRegisterClasses[ARM::DPairSpcRegClassID] | ||||||||
1987 | .contains(VectorList.RegNum)); | ||||||||
1988 | } | ||||||||
1989 | |||||||||
1990 | bool isVecListThreeQ() const { | ||||||||
1991 | if (!isDoubleSpacedVectorList()) return false; | ||||||||
1992 | return VectorList.Count == 3; | ||||||||
1993 | } | ||||||||
1994 | |||||||||
1995 | bool isVecListFourQ() const { | ||||||||
1996 | if (!isDoubleSpacedVectorList()) return false; | ||||||||
1997 | return VectorList.Count == 4; | ||||||||
1998 | } | ||||||||
1999 | |||||||||
2000 | bool isVecListFourMQ() const { | ||||||||
2001 | return isSingleSpacedVectorList() && VectorList.Count == 4 && | ||||||||
2002 | ARMMCRegisterClasses[ARM::MQPRRegClassID].contains( | ||||||||
2003 | VectorList.RegNum); | ||||||||
2004 | } | ||||||||
2005 | |||||||||
2006 | bool isSingleSpacedVectorAllLanes() const { | ||||||||
2007 | return Kind == k_VectorListAllLanes && !VectorList.isDoubleSpaced; | ||||||||
2008 | } | ||||||||
2009 | |||||||||
2010 | bool isDoubleSpacedVectorAllLanes() const { | ||||||||
2011 | return Kind == k_VectorListAllLanes && VectorList.isDoubleSpaced; | ||||||||
2012 | } | ||||||||
2013 | |||||||||
2014 | bool isVecListOneDAllLanes() const { | ||||||||
2015 | if (!isSingleSpacedVectorAllLanes()) return false; | ||||||||
2016 | return VectorList.Count == 1; | ||||||||
2017 | } | ||||||||
2018 | |||||||||
2019 | bool isVecListDPairAllLanes() const { | ||||||||
2020 | if (!isSingleSpacedVectorAllLanes()) return false; | ||||||||
2021 | return (ARMMCRegisterClasses[ARM::DPairRegClassID] | ||||||||
2022 | .contains(VectorList.RegNum)); | ||||||||
2023 | } | ||||||||
2024 | |||||||||
2025 | bool isVecListDPairSpacedAllLanes() const { | ||||||||
2026 | if (!isDoubleSpacedVectorAllLanes()) return false; | ||||||||
2027 | return VectorList.Count == 2; | ||||||||
2028 | } | ||||||||
2029 | |||||||||
2030 | bool isVecListThreeDAllLanes() const { | ||||||||
2031 | if (!isSingleSpacedVectorAllLanes()) return false; | ||||||||
2032 | return VectorList.Count == 3; | ||||||||
2033 | } | ||||||||
2034 | |||||||||
2035 | bool isVecListThreeQAllLanes() const { | ||||||||
2036 | if (!isDoubleSpacedVectorAllLanes()) return false; | ||||||||
2037 | return VectorList.Count == 3; | ||||||||
2038 | } | ||||||||
2039 | |||||||||
2040 | bool isVecListFourDAllLanes() const { | ||||||||
2041 | if (!isSingleSpacedVectorAllLanes()) return false; | ||||||||
2042 | return VectorList.Count == 4; | ||||||||
2043 | } | ||||||||
2044 | |||||||||
2045 | bool isVecListFourQAllLanes() const { | ||||||||
2046 | if (!isDoubleSpacedVectorAllLanes()) return false; | ||||||||
2047 | return VectorList.Count == 4; | ||||||||
2048 | } | ||||||||
2049 | |||||||||
2050 | bool isSingleSpacedVectorIndexed() const { | ||||||||
2051 | return Kind == k_VectorListIndexed && !VectorList.isDoubleSpaced; | ||||||||
2052 | } | ||||||||
2053 | |||||||||
2054 | bool isDoubleSpacedVectorIndexed() const { | ||||||||
2055 | return Kind == k_VectorListIndexed && VectorList.isDoubleSpaced; | ||||||||
2056 | } | ||||||||
2057 | |||||||||
2058 | bool isVecListOneDByteIndexed() const { | ||||||||
2059 | if (!isSingleSpacedVectorIndexed()) return false; | ||||||||
2060 | return VectorList.Count == 1 && VectorList.LaneIndex <= 7; | ||||||||
2061 | } | ||||||||
2062 | |||||||||
2063 | bool isVecListOneDHWordIndexed() const { | ||||||||
2064 | if (!isSingleSpacedVectorIndexed()) return false; | ||||||||
2065 | return VectorList.Count == 1 && VectorList.LaneIndex <= 3; | ||||||||
2066 | } | ||||||||
2067 | |||||||||
2068 | bool isVecListOneDWordIndexed() const { | ||||||||
2069 | if (!isSingleSpacedVectorIndexed()) return false; | ||||||||
2070 | return VectorList.Count == 1 && VectorList.LaneIndex <= 1; | ||||||||
2071 | } | ||||||||
2072 | |||||||||
2073 | bool isVecListTwoDByteIndexed() const { | ||||||||
2074 | if (!isSingleSpacedVectorIndexed()) return false; | ||||||||
2075 | return VectorList.Count == 2 && VectorList.LaneIndex <= 7; | ||||||||
2076 | } | ||||||||
2077 | |||||||||
2078 | bool isVecListTwoDHWordIndexed() const { | ||||||||
2079 | if (!isSingleSpacedVectorIndexed()) return false; | ||||||||
2080 | return VectorList.Count == 2 && VectorList.LaneIndex <= 3; | ||||||||
2081 | } | ||||||||
2082 | |||||||||
2083 | bool isVecListTwoQWordIndexed() const { | ||||||||
2084 | if (!isDoubleSpacedVectorIndexed()) return false; | ||||||||
2085 | return VectorList.Count == 2 && VectorList.LaneIndex <= 1; | ||||||||
2086 | } | ||||||||
2087 | |||||||||
2088 | bool isVecListTwoQHWordIndexed() const { | ||||||||
2089 | if (!isDoubleSpacedVectorIndexed()) return false; | ||||||||
2090 | return VectorList.Count == 2 && VectorList.LaneIndex <= 3; | ||||||||
2091 | } | ||||||||
2092 | |||||||||
2093 | bool isVecListTwoDWordIndexed() const { | ||||||||
2094 | if (!isSingleSpacedVectorIndexed()) return false; | ||||||||
2095 | return VectorList.Count == 2 && VectorList.LaneIndex <= 1; | ||||||||
2096 | } | ||||||||
2097 | |||||||||
2098 | bool isVecListThreeDByteIndexed() const { | ||||||||
2099 | if (!isSingleSpacedVectorIndexed()) return false; | ||||||||
2100 | return VectorList.Count == 3 && VectorList.LaneIndex <= 7; | ||||||||
2101 | } | ||||||||
2102 | |||||||||
2103 | bool isVecListThreeDHWordIndexed() const { | ||||||||
2104 | if (!isSingleSpacedVectorIndexed()) return false; | ||||||||
2105 | return VectorList.Count == 3 && VectorList.LaneIndex <= 3; | ||||||||
2106 | } | ||||||||
2107 | |||||||||
2108 | bool isVecListThreeQWordIndexed() const { | ||||||||
2109 | if (!isDoubleSpacedVectorIndexed()) return false; | ||||||||
2110 | return VectorList.Count == 3 && VectorList.LaneIndex <= 1; | ||||||||
2111 | } | ||||||||
2112 | |||||||||
2113 | bool isVecListThreeQHWordIndexed() const { | ||||||||
2114 | if (!isDoubleSpacedVectorIndexed()) return false; | ||||||||
2115 | return VectorList.Count == 3 && VectorList.LaneIndex <= 3; | ||||||||
2116 | } | ||||||||
2117 | |||||||||
2118 | bool isVecListThreeDWordIndexed() const { | ||||||||
2119 | if (!isSingleSpacedVectorIndexed()) return false; | ||||||||
2120 | return VectorList.Count == 3 && VectorList.LaneIndex <= 1; | ||||||||
2121 | } | ||||||||
2122 | |||||||||
2123 | bool isVecListFourDByteIndexed() const { | ||||||||
2124 | if (!isSingleSpacedVectorIndexed()) return false; | ||||||||
2125 | return VectorList.Count == 4 && VectorList.LaneIndex <= 7; | ||||||||
2126 | } | ||||||||
2127 | |||||||||
2128 | bool isVecListFourDHWordIndexed() const { | ||||||||
2129 | if (!isSingleSpacedVectorIndexed()) return false; | ||||||||
2130 | return VectorList.Count == 4 && VectorList.LaneIndex <= 3; | ||||||||
2131 | } | ||||||||
2132 | |||||||||
2133 | bool isVecListFourQWordIndexed() const { | ||||||||
2134 | if (!isDoubleSpacedVectorIndexed()) return false; | ||||||||
2135 | return VectorList.Count == 4 && VectorList.LaneIndex <= 1; | ||||||||
2136 | } | ||||||||
2137 | |||||||||
2138 | bool isVecListFourQHWordIndexed() const { | ||||||||
2139 | if (!isDoubleSpacedVectorIndexed()) return false; | ||||||||
2140 | return VectorList.Count == 4 && VectorList.LaneIndex <= 3; | ||||||||
2141 | } | ||||||||
2142 | |||||||||
2143 | bool isVecListFourDWordIndexed() const { | ||||||||
2144 | if (!isSingleSpacedVectorIndexed()) return false; | ||||||||
2145 | return VectorList.Count == 4 && VectorList.LaneIndex <= 1; | ||||||||
2146 | } | ||||||||
2147 | |||||||||
2148 | bool isVectorIndex() const { return Kind == k_VectorIndex; } | ||||||||
2149 | |||||||||
2150 | template <unsigned NumLanes> | ||||||||
2151 | bool isVectorIndexInRange() const { | ||||||||
2152 | if (Kind != k_VectorIndex) return false; | ||||||||
2153 | return VectorIndex.Val < NumLanes; | ||||||||
2154 | } | ||||||||
2155 | |||||||||
2156 | bool isVectorIndex8() const { return isVectorIndexInRange<8>(); } | ||||||||
2157 | bool isVectorIndex16() const { return isVectorIndexInRange<4>(); } | ||||||||
2158 | bool isVectorIndex32() const { return isVectorIndexInRange<2>(); } | ||||||||
2159 | bool isVectorIndex64() const { return isVectorIndexInRange<1>(); } | ||||||||
2160 | |||||||||
2161 | template<int PermittedValue, int OtherPermittedValue> | ||||||||
2162 | bool isMVEPairVectorIndex() const { | ||||||||
2163 | if (Kind != k_VectorIndex) return false; | ||||||||
2164 | return VectorIndex.Val == PermittedValue || | ||||||||
2165 | VectorIndex.Val == OtherPermittedValue; | ||||||||
2166 | } | ||||||||
2167 | |||||||||
2168 | bool isNEONi8splat() const { | ||||||||
2169 | if (!isImm()) return false; | ||||||||
2170 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
2171 | // Must be a constant. | ||||||||
2172 | if (!CE) return false; | ||||||||
2173 | int64_t Value = CE->getValue(); | ||||||||
2174 | // i8 value splatted across 8 bytes. The immediate is just the 8 byte | ||||||||
2175 | // value. | ||||||||
2176 | return Value >= 0 && Value < 256; | ||||||||
2177 | } | ||||||||
2178 | |||||||||
2179 | bool isNEONi16splat() const { | ||||||||
2180 | if (isNEONByteReplicate(2)) | ||||||||
2181 | return false; // Leave that for bytes replication and forbid by default. | ||||||||
2182 | if (!isImm()) | ||||||||
2183 | return false; | ||||||||
2184 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
2185 | // Must be a constant. | ||||||||
2186 | if (!CE) return false; | ||||||||
2187 | unsigned Value = CE->getValue(); | ||||||||
2188 | return ARM_AM::isNEONi16splat(Value); | ||||||||
2189 | } | ||||||||
2190 | |||||||||
2191 | bool isNEONi16splatNot() const { | ||||||||
2192 | if (!isImm()) | ||||||||
2193 | return false; | ||||||||
2194 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
2195 | // Must be a constant. | ||||||||
2196 | if (!CE) return false; | ||||||||
2197 | unsigned Value = CE->getValue(); | ||||||||
2198 | return ARM_AM::isNEONi16splat(~Value & 0xffff); | ||||||||
2199 | } | ||||||||
2200 | |||||||||
2201 | bool isNEONi32splat() const { | ||||||||
2202 | if (isNEONByteReplicate(4)) | ||||||||
2203 | return false; // Leave that for bytes replication and forbid by default. | ||||||||
2204 | if (!isImm()) | ||||||||
2205 | return false; | ||||||||
2206 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
2207 | // Must be a constant. | ||||||||
2208 | if (!CE) return false; | ||||||||
2209 | unsigned Value = CE->getValue(); | ||||||||
2210 | return ARM_AM::isNEONi32splat(Value); | ||||||||
2211 | } | ||||||||
2212 | |||||||||
2213 | bool isNEONi32splatNot() const { | ||||||||
2214 | if (!isImm()) | ||||||||
2215 | return false; | ||||||||
2216 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
2217 | // Must be a constant. | ||||||||
2218 | if (!CE) return false; | ||||||||
2219 | unsigned Value = CE->getValue(); | ||||||||
2220 | return ARM_AM::isNEONi32splat(~Value); | ||||||||
2221 | } | ||||||||
2222 | |||||||||
2223 | static bool isValidNEONi32vmovImm(int64_t Value) { | ||||||||
2224 | // i32 value with set bits only in one byte X000, 0X00, 00X0, or 000X, | ||||||||
2225 | // for VMOV/VMVN only, 00Xf or 0Xff are also accepted. | ||||||||
2226 | return ((Value & 0xffffffffffffff00) == 0) || | ||||||||
2227 | ((Value & 0xffffffffffff00ff) == 0) || | ||||||||
2228 | ((Value & 0xffffffffff00ffff) == 0) || | ||||||||
2229 | ((Value & 0xffffffff00ffffff) == 0) || | ||||||||
2230 | ((Value & 0xffffffffffff00ff) == 0xff) || | ||||||||
2231 | ((Value & 0xffffffffff00ffff) == 0xffff); | ||||||||
2232 | } | ||||||||
2233 | |||||||||
2234 | bool isNEONReplicate(unsigned Width, unsigned NumElems, bool Inv) const { | ||||||||
2235 | assert((Width == 8 || Width == 16 || Width == 32) &&(((Width == 8 || Width == 16 || Width == 32) && "Invalid element width" ) ? static_cast<void> (0) : __assert_fail ("(Width == 8 || Width == 16 || Width == 32) && \"Invalid element width\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2236, __PRETTY_FUNCTION__)) | ||||||||
2236 | "Invalid element width")(((Width == 8 || Width == 16 || Width == 32) && "Invalid element width" ) ? static_cast<void> (0) : __assert_fail ("(Width == 8 || Width == 16 || Width == 32) && \"Invalid element width\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2236, __PRETTY_FUNCTION__)); | ||||||||
2237 | assert(NumElems * Width <= 64 && "Invalid result width")((NumElems * Width <= 64 && "Invalid result width" ) ? static_cast<void> (0) : __assert_fail ("NumElems * Width <= 64 && \"Invalid result width\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2237, __PRETTY_FUNCTION__)); | ||||||||
2238 | |||||||||
2239 | if (!isImm()) | ||||||||
2240 | return false; | ||||||||
2241 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
2242 | // Must be a constant. | ||||||||
2243 | if (!CE) | ||||||||
2244 | return false; | ||||||||
2245 | int64_t Value = CE->getValue(); | ||||||||
2246 | if (!Value) | ||||||||
2247 | return false; // Don't bother with zero. | ||||||||
2248 | if (Inv) | ||||||||
2249 | Value = ~Value; | ||||||||
2250 | |||||||||
2251 | uint64_t Mask = (1ull << Width) - 1; | ||||||||
2252 | uint64_t Elem = Value & Mask; | ||||||||
2253 | if (Width == 16 && (Elem & 0x00ff) != 0 && (Elem & 0xff00) != 0) | ||||||||
2254 | return false; | ||||||||
2255 | if (Width == 32 && !isValidNEONi32vmovImm(Elem)) | ||||||||
2256 | return false; | ||||||||
2257 | |||||||||
2258 | for (unsigned i = 1; i < NumElems; ++i) { | ||||||||
2259 | Value >>= Width; | ||||||||
2260 | if ((Value & Mask) != Elem) | ||||||||
2261 | return false; | ||||||||
2262 | } | ||||||||
2263 | return true; | ||||||||
2264 | } | ||||||||
2265 | |||||||||
2266 | bool isNEONByteReplicate(unsigned NumBytes) const { | ||||||||
2267 | return isNEONReplicate(8, NumBytes, false); | ||||||||
2268 | } | ||||||||
2269 | |||||||||
2270 | static void checkNeonReplicateArgs(unsigned FromW, unsigned ToW) { | ||||||||
2271 | assert((FromW == 8 || FromW == 16 || FromW == 32) &&(((FromW == 8 || FromW == 16 || FromW == 32) && "Invalid source width" ) ? static_cast<void> (0) : __assert_fail ("(FromW == 8 || FromW == 16 || FromW == 32) && \"Invalid source width\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2272, __PRETTY_FUNCTION__)) | ||||||||
2272 | "Invalid source width")(((FromW == 8 || FromW == 16 || FromW == 32) && "Invalid source width" ) ? static_cast<void> (0) : __assert_fail ("(FromW == 8 || FromW == 16 || FromW == 32) && \"Invalid source width\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2272, __PRETTY_FUNCTION__)); | ||||||||
2273 | assert((ToW == 16 || ToW == 32 || ToW == 64) &&(((ToW == 16 || ToW == 32 || ToW == 64) && "Invalid destination width" ) ? static_cast<void> (0) : __assert_fail ("(ToW == 16 || ToW == 32 || ToW == 64) && \"Invalid destination width\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2274, __PRETTY_FUNCTION__)) | ||||||||
2274 | "Invalid destination width")(((ToW == 16 || ToW == 32 || ToW == 64) && "Invalid destination width" ) ? static_cast<void> (0) : __assert_fail ("(ToW == 16 || ToW == 32 || ToW == 64) && \"Invalid destination width\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2274, __PRETTY_FUNCTION__)); | ||||||||
2275 | assert(FromW < ToW && "ToW is not less than FromW")((FromW < ToW && "ToW is not less than FromW") ? static_cast <void> (0) : __assert_fail ("FromW < ToW && \"ToW is not less than FromW\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2275, __PRETTY_FUNCTION__)); | ||||||||
2276 | } | ||||||||
2277 | |||||||||
2278 | template<unsigned FromW, unsigned ToW> | ||||||||
2279 | bool isNEONmovReplicate() const { | ||||||||
2280 | checkNeonReplicateArgs(FromW, ToW); | ||||||||
2281 | if (ToW == 64 && isNEONi64splat()) | ||||||||
2282 | return false; | ||||||||
2283 | return isNEONReplicate(FromW, ToW / FromW, false); | ||||||||
2284 | } | ||||||||
2285 | |||||||||
2286 | template<unsigned FromW, unsigned ToW> | ||||||||
2287 | bool isNEONinvReplicate() const { | ||||||||
2288 | checkNeonReplicateArgs(FromW, ToW); | ||||||||
2289 | return isNEONReplicate(FromW, ToW / FromW, true); | ||||||||
2290 | } | ||||||||
2291 | |||||||||
2292 | bool isNEONi32vmov() const { | ||||||||
2293 | if (isNEONByteReplicate(4)) | ||||||||
2294 | return false; // Let it to be classified as byte-replicate case. | ||||||||
2295 | if (!isImm()) | ||||||||
2296 | return false; | ||||||||
2297 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
2298 | // Must be a constant. | ||||||||
2299 | if (!CE) | ||||||||
2300 | return false; | ||||||||
2301 | return isValidNEONi32vmovImm(CE->getValue()); | ||||||||
2302 | } | ||||||||
2303 | |||||||||
2304 | bool isNEONi32vmovNeg() const { | ||||||||
2305 | if (!isImm()) return false; | ||||||||
2306 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
2307 | // Must be a constant. | ||||||||
2308 | if (!CE) return false; | ||||||||
2309 | return isValidNEONi32vmovImm(~CE->getValue()); | ||||||||
2310 | } | ||||||||
2311 | |||||||||
2312 | bool isNEONi64splat() const { | ||||||||
2313 | if (!isImm()) return false; | ||||||||
2314 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
2315 | // Must be a constant. | ||||||||
2316 | if (!CE) return false; | ||||||||
2317 | uint64_t Value = CE->getValue(); | ||||||||
2318 | // i64 value with each byte being either 0 or 0xff. | ||||||||
2319 | for (unsigned i = 0; i < 8; ++i, Value >>= 8) | ||||||||
2320 | if ((Value & 0xff) != 0 && (Value & 0xff) != 0xff) return false; | ||||||||
2321 | return true; | ||||||||
2322 | } | ||||||||
2323 | |||||||||
2324 | template<int64_t Angle, int64_t Remainder> | ||||||||
2325 | bool isComplexRotation() const { | ||||||||
2326 | if (!isImm()) return false; | ||||||||
2327 | |||||||||
2328 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
2329 | if (!CE) return false; | ||||||||
2330 | uint64_t Value = CE->getValue(); | ||||||||
2331 | |||||||||
2332 | return (Value % Angle == Remainder && Value <= 270); | ||||||||
2333 | } | ||||||||
2334 | |||||||||
2335 | bool isMVELongShift() const { | ||||||||
2336 | if (!isImm()) return false; | ||||||||
2337 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
2338 | // Must be a constant. | ||||||||
2339 | if (!CE) return false; | ||||||||
2340 | uint64_t Value = CE->getValue(); | ||||||||
2341 | return Value >= 1 && Value <= 32; | ||||||||
2342 | } | ||||||||
2343 | |||||||||
2344 | bool isMveSaturateOp() const { | ||||||||
2345 | if (!isImm()) return false; | ||||||||
2346 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
2347 | if (!CE) return false; | ||||||||
2348 | uint64_t Value = CE->getValue(); | ||||||||
2349 | return Value == 48 || Value == 64; | ||||||||
2350 | } | ||||||||
2351 | |||||||||
2352 | bool isITCondCodeNoAL() const { | ||||||||
2353 | if (!isITCondCode()) return false; | ||||||||
2354 | ARMCC::CondCodes CC = getCondCode(); | ||||||||
2355 | return CC != ARMCC::AL; | ||||||||
2356 | } | ||||||||
2357 | |||||||||
2358 | bool isITCondCodeRestrictedI() const { | ||||||||
2359 | if (!isITCondCode()) | ||||||||
2360 | return false; | ||||||||
2361 | ARMCC::CondCodes CC = getCondCode(); | ||||||||
2362 | return CC == ARMCC::EQ || CC == ARMCC::NE; | ||||||||
2363 | } | ||||||||
2364 | |||||||||
2365 | bool isITCondCodeRestrictedS() const { | ||||||||
2366 | if (!isITCondCode()) | ||||||||
2367 | return false; | ||||||||
2368 | ARMCC::CondCodes CC = getCondCode(); | ||||||||
2369 | return CC == ARMCC::LT || CC == ARMCC::GT || CC == ARMCC::LE || | ||||||||
2370 | CC == ARMCC::GE; | ||||||||
2371 | } | ||||||||
2372 | |||||||||
2373 | bool isITCondCodeRestrictedU() const { | ||||||||
2374 | if (!isITCondCode()) | ||||||||
2375 | return false; | ||||||||
2376 | ARMCC::CondCodes CC = getCondCode(); | ||||||||
2377 | return CC == ARMCC::HS || CC == ARMCC::HI; | ||||||||
2378 | } | ||||||||
2379 | |||||||||
2380 | bool isITCondCodeRestrictedFP() const { | ||||||||
2381 | if (!isITCondCode()) | ||||||||
2382 | return false; | ||||||||
2383 | ARMCC::CondCodes CC = getCondCode(); | ||||||||
2384 | return CC == ARMCC::EQ || CC == ARMCC::NE || CC == ARMCC::LT || | ||||||||
2385 | CC == ARMCC::GT || CC == ARMCC::LE || CC == ARMCC::GE; | ||||||||
2386 | } | ||||||||
2387 | |||||||||
2388 | void addExpr(MCInst &Inst, const MCExpr *Expr) const { | ||||||||
2389 | // Add as immediates when possible. Null MCExpr = 0. | ||||||||
2390 | if (!Expr) | ||||||||
2391 | Inst.addOperand(MCOperand::createImm(0)); | ||||||||
2392 | else if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Expr)) | ||||||||
2393 | Inst.addOperand(MCOperand::createImm(CE->getValue())); | ||||||||
2394 | else | ||||||||
2395 | Inst.addOperand(MCOperand::createExpr(Expr)); | ||||||||
2396 | } | ||||||||
2397 | |||||||||
2398 | void addARMBranchTargetOperands(MCInst &Inst, unsigned N) const { | ||||||||
2399 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2399, __PRETTY_FUNCTION__)); | ||||||||
2400 | addExpr(Inst, getImm()); | ||||||||
2401 | } | ||||||||
2402 | |||||||||
2403 | void addThumbBranchTargetOperands(MCInst &Inst, unsigned N) const { | ||||||||
2404 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2404, __PRETTY_FUNCTION__)); | ||||||||
2405 | addExpr(Inst, getImm()); | ||||||||
2406 | } | ||||||||
2407 | |||||||||
2408 | void addCondCodeOperands(MCInst &Inst, unsigned N) const { | ||||||||
2409 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2409, __PRETTY_FUNCTION__)); | ||||||||
2410 | Inst.addOperand(MCOperand::createImm(unsigned(getCondCode()))); | ||||||||
2411 | unsigned RegNum = getCondCode() == ARMCC::AL ? 0: ARM::CPSR; | ||||||||
2412 | Inst.addOperand(MCOperand::createReg(RegNum)); | ||||||||
2413 | } | ||||||||
2414 | |||||||||
2415 | void addVPTPredNOperands(MCInst &Inst, unsigned N) const { | ||||||||
2416 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2416, __PRETTY_FUNCTION__)); | ||||||||
2417 | Inst.addOperand(MCOperand::createImm(unsigned(getVPTPred()))); | ||||||||
2418 | unsigned RegNum = getVPTPred() == ARMVCC::None ? 0: ARM::P0; | ||||||||
2419 | Inst.addOperand(MCOperand::createReg(RegNum)); | ||||||||
2420 | } | ||||||||
2421 | |||||||||
2422 | void addVPTPredROperands(MCInst &Inst, unsigned N) const { | ||||||||
2423 | assert(N == 3 && "Invalid number of operands!")((N == 3 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 3 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2423, __PRETTY_FUNCTION__)); | ||||||||
2424 | addVPTPredNOperands(Inst, N-1); | ||||||||
2425 | unsigned RegNum; | ||||||||
2426 | if (getVPTPred() == ARMVCC::None) { | ||||||||
2427 | RegNum = 0; | ||||||||
2428 | } else { | ||||||||
2429 | unsigned NextOpIndex = Inst.getNumOperands(); | ||||||||
2430 | const MCInstrDesc &MCID = ARMInsts[Inst.getOpcode()]; | ||||||||
2431 | int TiedOp = MCID.getOperandConstraint(NextOpIndex, MCOI::TIED_TO); | ||||||||
2432 | assert(TiedOp >= 0 &&((TiedOp >= 0 && "Inactive register in vpred_r is not tied to an output!" ) ? static_cast<void> (0) : __assert_fail ("TiedOp >= 0 && \"Inactive register in vpred_r is not tied to an output!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2433, __PRETTY_FUNCTION__)) | ||||||||
2433 | "Inactive register in vpred_r is not tied to an output!")((TiedOp >= 0 && "Inactive register in vpred_r is not tied to an output!" ) ? static_cast<void> (0) : __assert_fail ("TiedOp >= 0 && \"Inactive register in vpred_r is not tied to an output!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2433, __PRETTY_FUNCTION__)); | ||||||||
2434 | RegNum = Inst.getOperand(TiedOp).getReg(); | ||||||||
2435 | } | ||||||||
2436 | Inst.addOperand(MCOperand::createReg(RegNum)); | ||||||||
2437 | } | ||||||||
2438 | |||||||||
2439 | void addCoprocNumOperands(MCInst &Inst, unsigned N) const { | ||||||||
2440 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2440, __PRETTY_FUNCTION__)); | ||||||||
2441 | Inst.addOperand(MCOperand::createImm(getCoproc())); | ||||||||
2442 | } | ||||||||
2443 | |||||||||
2444 | void addCoprocRegOperands(MCInst &Inst, unsigned N) const { | ||||||||
2445 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2445, __PRETTY_FUNCTION__)); | ||||||||
2446 | Inst.addOperand(MCOperand::createImm(getCoproc())); | ||||||||
2447 | } | ||||||||
2448 | |||||||||
2449 | void addCoprocOptionOperands(MCInst &Inst, unsigned N) const { | ||||||||
2450 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2450, __PRETTY_FUNCTION__)); | ||||||||
2451 | Inst.addOperand(MCOperand::createImm(CoprocOption.Val)); | ||||||||
2452 | } | ||||||||
2453 | |||||||||
2454 | void addITMaskOperands(MCInst &Inst, unsigned N) const { | ||||||||
2455 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2455, __PRETTY_FUNCTION__)); | ||||||||
2456 | Inst.addOperand(MCOperand::createImm(ITMask.Mask)); | ||||||||
2457 | } | ||||||||
2458 | |||||||||
2459 | void addITCondCodeOperands(MCInst &Inst, unsigned N) const { | ||||||||
2460 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2460, __PRETTY_FUNCTION__)); | ||||||||
2461 | Inst.addOperand(MCOperand::createImm(unsigned(getCondCode()))); | ||||||||
2462 | } | ||||||||
2463 | |||||||||
2464 | void addITCondCodeInvOperands(MCInst &Inst, unsigned N) const { | ||||||||
2465 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2465, __PRETTY_FUNCTION__)); | ||||||||
2466 | Inst.addOperand(MCOperand::createImm(unsigned(ARMCC::getOppositeCondition(getCondCode())))); | ||||||||
2467 | } | ||||||||
2468 | |||||||||
2469 | void addCCOutOperands(MCInst &Inst, unsigned N) const { | ||||||||
2470 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2470, __PRETTY_FUNCTION__)); | ||||||||
2471 | Inst.addOperand(MCOperand::createReg(getReg())); | ||||||||
2472 | } | ||||||||
2473 | |||||||||
2474 | void addRegOperands(MCInst &Inst, unsigned N) const { | ||||||||
2475 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2475, __PRETTY_FUNCTION__)); | ||||||||
2476 | Inst.addOperand(MCOperand::createReg(getReg())); | ||||||||
2477 | } | ||||||||
2478 | |||||||||
2479 | void addRegShiftedRegOperands(MCInst &Inst, unsigned N) const { | ||||||||
2480 | assert(N == 3 && "Invalid number of operands!")((N == 3 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 3 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2480, __PRETTY_FUNCTION__)); | ||||||||
2481 | assert(isRegShiftedReg() &&((isRegShiftedReg() && "addRegShiftedRegOperands() on non-RegShiftedReg!" ) ? static_cast<void> (0) : __assert_fail ("isRegShiftedReg() && \"addRegShiftedRegOperands() on non-RegShiftedReg!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2482, __PRETTY_FUNCTION__)) | ||||||||
2482 | "addRegShiftedRegOperands() on non-RegShiftedReg!")((isRegShiftedReg() && "addRegShiftedRegOperands() on non-RegShiftedReg!" ) ? static_cast<void> (0) : __assert_fail ("isRegShiftedReg() && \"addRegShiftedRegOperands() on non-RegShiftedReg!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2482, __PRETTY_FUNCTION__)); | ||||||||
2483 | Inst.addOperand(MCOperand::createReg(RegShiftedReg.SrcReg)); | ||||||||
2484 | Inst.addOperand(MCOperand::createReg(RegShiftedReg.ShiftReg)); | ||||||||
2485 | Inst.addOperand(MCOperand::createImm( | ||||||||
2486 | ARM_AM::getSORegOpc(RegShiftedReg.ShiftTy, RegShiftedReg.ShiftImm))); | ||||||||
2487 | } | ||||||||
2488 | |||||||||
2489 | void addRegShiftedImmOperands(MCInst &Inst, unsigned N) const { | ||||||||
2490 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2490, __PRETTY_FUNCTION__)); | ||||||||
2491 | assert(isRegShiftedImm() &&((isRegShiftedImm() && "addRegShiftedImmOperands() on non-RegShiftedImm!" ) ? static_cast<void> (0) : __assert_fail ("isRegShiftedImm() && \"addRegShiftedImmOperands() on non-RegShiftedImm!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2492, __PRETTY_FUNCTION__)) | ||||||||
2492 | "addRegShiftedImmOperands() on non-RegShiftedImm!")((isRegShiftedImm() && "addRegShiftedImmOperands() on non-RegShiftedImm!" ) ? static_cast<void> (0) : __assert_fail ("isRegShiftedImm() && \"addRegShiftedImmOperands() on non-RegShiftedImm!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2492, __PRETTY_FUNCTION__)); | ||||||||
2493 | Inst.addOperand(MCOperand::createReg(RegShiftedImm.SrcReg)); | ||||||||
2494 | // Shift of #32 is encoded as 0 where permitted | ||||||||
2495 | unsigned Imm = (RegShiftedImm.ShiftImm == 32 ? 0 : RegShiftedImm.ShiftImm); | ||||||||
2496 | Inst.addOperand(MCOperand::createImm( | ||||||||
2497 | ARM_AM::getSORegOpc(RegShiftedImm.ShiftTy, Imm))); | ||||||||
2498 | } | ||||||||
2499 | |||||||||
2500 | void addShifterImmOperands(MCInst &Inst, unsigned N) const { | ||||||||
2501 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2501, __PRETTY_FUNCTION__)); | ||||||||
2502 | Inst.addOperand(MCOperand::createImm((ShifterImm.isASR << 5) | | ||||||||
2503 | ShifterImm.Imm)); | ||||||||
2504 | } | ||||||||
2505 | |||||||||
2506 | void addRegListOperands(MCInst &Inst, unsigned N) const { | ||||||||
2507 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2507, __PRETTY_FUNCTION__)); | ||||||||
2508 | const SmallVectorImpl<unsigned> &RegList = getRegList(); | ||||||||
2509 | for (SmallVectorImpl<unsigned>::const_iterator | ||||||||
2510 | I = RegList.begin(), E = RegList.end(); I != E; ++I) | ||||||||
2511 | Inst.addOperand(MCOperand::createReg(*I)); | ||||||||
2512 | } | ||||||||
2513 | |||||||||
2514 | void addRegListWithAPSROperands(MCInst &Inst, unsigned N) const { | ||||||||
2515 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2515, __PRETTY_FUNCTION__)); | ||||||||
2516 | const SmallVectorImpl<unsigned> &RegList = getRegList(); | ||||||||
2517 | for (SmallVectorImpl<unsigned>::const_iterator | ||||||||
2518 | I = RegList.begin(), E = RegList.end(); I != E; ++I) | ||||||||
2519 | Inst.addOperand(MCOperand::createReg(*I)); | ||||||||
2520 | } | ||||||||
2521 | |||||||||
2522 | void addDPRRegListOperands(MCInst &Inst, unsigned N) const { | ||||||||
2523 | addRegListOperands(Inst, N); | ||||||||
2524 | } | ||||||||
2525 | |||||||||
2526 | void addSPRRegListOperands(MCInst &Inst, unsigned N) const { | ||||||||
2527 | addRegListOperands(Inst, N); | ||||||||
2528 | } | ||||||||
2529 | |||||||||
2530 | void addFPSRegListWithVPROperands(MCInst &Inst, unsigned N) const { | ||||||||
2531 | addRegListOperands(Inst, N); | ||||||||
2532 | } | ||||||||
2533 | |||||||||
2534 | void addFPDRegListWithVPROperands(MCInst &Inst, unsigned N) const { | ||||||||
2535 | addRegListOperands(Inst, N); | ||||||||
2536 | } | ||||||||
2537 | |||||||||
2538 | void addRotImmOperands(MCInst &Inst, unsigned N) const { | ||||||||
2539 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2539, __PRETTY_FUNCTION__)); | ||||||||
2540 | // Encoded as val>>3. The printer handles display as 8, 16, 24. | ||||||||
2541 | Inst.addOperand(MCOperand::createImm(RotImm.Imm >> 3)); | ||||||||
2542 | } | ||||||||
2543 | |||||||||
2544 | void addModImmOperands(MCInst &Inst, unsigned N) const { | ||||||||
2545 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2545, __PRETTY_FUNCTION__)); | ||||||||
2546 | |||||||||
2547 | // Support for fixups (MCFixup) | ||||||||
2548 | if (isImm()) | ||||||||
2549 | return addImmOperands(Inst, N); | ||||||||
2550 | |||||||||
2551 | Inst.addOperand(MCOperand::createImm(ModImm.Bits | (ModImm.Rot << 7))); | ||||||||
2552 | } | ||||||||
2553 | |||||||||
2554 | void addModImmNotOperands(MCInst &Inst, unsigned N) const { | ||||||||
2555 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2555, __PRETTY_FUNCTION__)); | ||||||||
2556 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
2557 | uint32_t Enc = ARM_AM::getSOImmVal(~CE->getValue()); | ||||||||
2558 | Inst.addOperand(MCOperand::createImm(Enc)); | ||||||||
2559 | } | ||||||||
2560 | |||||||||
2561 | void addModImmNegOperands(MCInst &Inst, unsigned N) const { | ||||||||
2562 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2562, __PRETTY_FUNCTION__)); | ||||||||
2563 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
2564 | uint32_t Enc = ARM_AM::getSOImmVal(-CE->getValue()); | ||||||||
2565 | Inst.addOperand(MCOperand::createImm(Enc)); | ||||||||
2566 | } | ||||||||
2567 | |||||||||
2568 | void addThumbModImmNeg8_255Operands(MCInst &Inst, unsigned N) const { | ||||||||
2569 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2569, __PRETTY_FUNCTION__)); | ||||||||
2570 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
2571 | uint32_t Val = -CE->getValue(); | ||||||||
2572 | Inst.addOperand(MCOperand::createImm(Val)); | ||||||||
2573 | } | ||||||||
2574 | |||||||||
2575 | void addThumbModImmNeg1_7Operands(MCInst &Inst, unsigned N) const { | ||||||||
2576 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2576, __PRETTY_FUNCTION__)); | ||||||||
2577 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
2578 | uint32_t Val = -CE->getValue(); | ||||||||
2579 | Inst.addOperand(MCOperand::createImm(Val)); | ||||||||
2580 | } | ||||||||
2581 | |||||||||
2582 | void addBitfieldOperands(MCInst &Inst, unsigned N) const { | ||||||||
2583 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2583, __PRETTY_FUNCTION__)); | ||||||||
2584 | // Munge the lsb/width into a bitfield mask. | ||||||||
2585 | unsigned lsb = Bitfield.LSB; | ||||||||
2586 | unsigned width = Bitfield.Width; | ||||||||
2587 | // Make a 32-bit mask w/ the referenced bits clear and all other bits set. | ||||||||
2588 | uint32_t Mask = ~(((uint32_t)0xffffffff >> lsb) << (32 - width) >> | ||||||||
2589 | (32 - (lsb + width))); | ||||||||
2590 | Inst.addOperand(MCOperand::createImm(Mask)); | ||||||||
2591 | } | ||||||||
2592 | |||||||||
2593 | void addImmOperands(MCInst &Inst, unsigned N) const { | ||||||||
2594 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2594, __PRETTY_FUNCTION__)); | ||||||||
2595 | addExpr(Inst, getImm()); | ||||||||
2596 | } | ||||||||
2597 | |||||||||
2598 | void addFBits16Operands(MCInst &Inst, unsigned N) const { | ||||||||
2599 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2599, __PRETTY_FUNCTION__)); | ||||||||
2600 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
2601 | Inst.addOperand(MCOperand::createImm(16 - CE->getValue())); | ||||||||
2602 | } | ||||||||
2603 | |||||||||
2604 | void addFBits32Operands(MCInst &Inst, unsigned N) const { | ||||||||
2605 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2605, __PRETTY_FUNCTION__)); | ||||||||
2606 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
2607 | Inst.addOperand(MCOperand::createImm(32 - CE->getValue())); | ||||||||
2608 | } | ||||||||
2609 | |||||||||
2610 | void addFPImmOperands(MCInst &Inst, unsigned N) const { | ||||||||
2611 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2611, __PRETTY_FUNCTION__)); | ||||||||
2612 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
2613 | int Val = ARM_AM::getFP32Imm(APInt(32, CE->getValue())); | ||||||||
2614 | Inst.addOperand(MCOperand::createImm(Val)); | ||||||||
2615 | } | ||||||||
2616 | |||||||||
2617 | void addImm8s4Operands(MCInst &Inst, unsigned N) const { | ||||||||
2618 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2618, __PRETTY_FUNCTION__)); | ||||||||
2619 | // FIXME: We really want to scale the value here, but the LDRD/STRD | ||||||||
2620 | // instruction don't encode operands that way yet. | ||||||||
2621 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
2622 | Inst.addOperand(MCOperand::createImm(CE->getValue())); | ||||||||
2623 | } | ||||||||
2624 | |||||||||
2625 | void addImm7s4Operands(MCInst &Inst, unsigned N) const { | ||||||||
2626 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2626, __PRETTY_FUNCTION__)); | ||||||||
2627 | // FIXME: We really want to scale the value here, but the VSTR/VLDR_VSYSR | ||||||||
2628 | // instruction don't encode operands that way yet. | ||||||||
2629 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
2630 | Inst.addOperand(MCOperand::createImm(CE->getValue())); | ||||||||
2631 | } | ||||||||
2632 | |||||||||
2633 | void addImm7Shift0Operands(MCInst &Inst, unsigned N) const { | ||||||||
2634 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2634, __PRETTY_FUNCTION__)); | ||||||||
2635 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
2636 | Inst.addOperand(MCOperand::createImm(CE->getValue())); | ||||||||
2637 | } | ||||||||
2638 | |||||||||
2639 | void addImm7Shift1Operands(MCInst &Inst, unsigned N) const { | ||||||||
2640 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2640, __PRETTY_FUNCTION__)); | ||||||||
2641 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
2642 | Inst.addOperand(MCOperand::createImm(CE->getValue())); | ||||||||
2643 | } | ||||||||
2644 | |||||||||
2645 | void addImm7Shift2Operands(MCInst &Inst, unsigned N) const { | ||||||||
2646 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2646, __PRETTY_FUNCTION__)); | ||||||||
2647 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
2648 | Inst.addOperand(MCOperand::createImm(CE->getValue())); | ||||||||
2649 | } | ||||||||
2650 | |||||||||
2651 | void addImm7Operands(MCInst &Inst, unsigned N) const { | ||||||||
2652 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2652, __PRETTY_FUNCTION__)); | ||||||||
2653 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
2654 | Inst.addOperand(MCOperand::createImm(CE->getValue())); | ||||||||
2655 | } | ||||||||
2656 | |||||||||
2657 | void addImm0_1020s4Operands(MCInst &Inst, unsigned N) const { | ||||||||
2658 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2658, __PRETTY_FUNCTION__)); | ||||||||
2659 | // The immediate is scaled by four in the encoding and is stored | ||||||||
2660 | // in the MCInst as such. Lop off the low two bits here. | ||||||||
2661 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
2662 | Inst.addOperand(MCOperand::createImm(CE->getValue() / 4)); | ||||||||
2663 | } | ||||||||
2664 | |||||||||
2665 | void addImm0_508s4NegOperands(MCInst &Inst, unsigned N) const { | ||||||||
2666 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2666, __PRETTY_FUNCTION__)); | ||||||||
2667 | // The immediate is scaled by four in the encoding and is stored | ||||||||
2668 | // in the MCInst as such. Lop off the low two bits here. | ||||||||
2669 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
2670 | Inst.addOperand(MCOperand::createImm(-(CE->getValue() / 4))); | ||||||||
2671 | } | ||||||||
2672 | |||||||||
2673 | void addImm0_508s4Operands(MCInst &Inst, unsigned N) const { | ||||||||
2674 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2674, __PRETTY_FUNCTION__)); | ||||||||
2675 | // The immediate is scaled by four in the encoding and is stored | ||||||||
2676 | // in the MCInst as such. Lop off the low two bits here. | ||||||||
2677 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
2678 | Inst.addOperand(MCOperand::createImm(CE->getValue() / 4)); | ||||||||
2679 | } | ||||||||
2680 | |||||||||
2681 | void addImm1_16Operands(MCInst &Inst, unsigned N) const { | ||||||||
2682 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2682, __PRETTY_FUNCTION__)); | ||||||||
2683 | // The constant encodes as the immediate-1, and we store in the instruction | ||||||||
2684 | // the bits as encoded, so subtract off one here. | ||||||||
2685 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
2686 | Inst.addOperand(MCOperand::createImm(CE->getValue() - 1)); | ||||||||
2687 | } | ||||||||
2688 | |||||||||
2689 | void addImm1_32Operands(MCInst &Inst, unsigned N) const { | ||||||||
2690 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2690, __PRETTY_FUNCTION__)); | ||||||||
2691 | // The constant encodes as the immediate-1, and we store in the instruction | ||||||||
2692 | // the bits as encoded, so subtract off one here. | ||||||||
2693 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
2694 | Inst.addOperand(MCOperand::createImm(CE->getValue() - 1)); | ||||||||
2695 | } | ||||||||
2696 | |||||||||
2697 | void addImmThumbSROperands(MCInst &Inst, unsigned N) const { | ||||||||
2698 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2698, __PRETTY_FUNCTION__)); | ||||||||
2699 | // The constant encodes as the immediate, except for 32, which encodes as | ||||||||
2700 | // zero. | ||||||||
2701 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
2702 | unsigned Imm = CE->getValue(); | ||||||||
2703 | Inst.addOperand(MCOperand::createImm((Imm == 32 ? 0 : Imm))); | ||||||||
2704 | } | ||||||||
2705 | |||||||||
2706 | void addPKHASRImmOperands(MCInst &Inst, unsigned N) const { | ||||||||
2707 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2707, __PRETTY_FUNCTION__)); | ||||||||
2708 | // An ASR value of 32 encodes as 0, so that's how we want to add it to | ||||||||
2709 | // the instruction as well. | ||||||||
2710 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
2711 | int Val = CE->getValue(); | ||||||||
2712 | Inst.addOperand(MCOperand::createImm(Val == 32 ? 0 : Val)); | ||||||||
2713 | } | ||||||||
2714 | |||||||||
2715 | void addT2SOImmNotOperands(MCInst &Inst, unsigned N) const { | ||||||||
2716 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2716, __PRETTY_FUNCTION__)); | ||||||||
2717 | // The operand is actually a t2_so_imm, but we have its bitwise | ||||||||
2718 | // negation in the assembly source, so twiddle it here. | ||||||||
2719 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
2720 | Inst.addOperand(MCOperand::createImm(~(uint32_t)CE->getValue())); | ||||||||
2721 | } | ||||||||
2722 | |||||||||
2723 | void addT2SOImmNegOperands(MCInst &Inst, unsigned N) const { | ||||||||
2724 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2724, __PRETTY_FUNCTION__)); | ||||||||
2725 | // The operand is actually a t2_so_imm, but we have its | ||||||||
2726 | // negation in the assembly source, so twiddle it here. | ||||||||
2727 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
2728 | Inst.addOperand(MCOperand::createImm(-(uint32_t)CE->getValue())); | ||||||||
2729 | } | ||||||||
2730 | |||||||||
2731 | void addImm0_4095NegOperands(MCInst &Inst, unsigned N) const { | ||||||||
2732 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2732, __PRETTY_FUNCTION__)); | ||||||||
2733 | // The operand is actually an imm0_4095, but we have its | ||||||||
2734 | // negation in the assembly source, so twiddle it here. | ||||||||
2735 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
2736 | Inst.addOperand(MCOperand::createImm(-(uint32_t)CE->getValue())); | ||||||||
2737 | } | ||||||||
2738 | |||||||||
2739 | void addUnsignedOffset_b8s2Operands(MCInst &Inst, unsigned N) const { | ||||||||
2740 | if(const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm())) { | ||||||||
2741 | Inst.addOperand(MCOperand::createImm(CE->getValue() >> 2)); | ||||||||
2742 | return; | ||||||||
2743 | } | ||||||||
2744 | const MCSymbolRefExpr *SR = cast<MCSymbolRefExpr>(Imm.Val); | ||||||||
2745 | Inst.addOperand(MCOperand::createExpr(SR)); | ||||||||
2746 | } | ||||||||
2747 | |||||||||
2748 | void addThumbMemPCOperands(MCInst &Inst, unsigned N) const { | ||||||||
2749 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2749, __PRETTY_FUNCTION__)); | ||||||||
2750 | if (isImm()) { | ||||||||
2751 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
2752 | if (CE) { | ||||||||
2753 | Inst.addOperand(MCOperand::createImm(CE->getValue())); | ||||||||
2754 | return; | ||||||||
2755 | } | ||||||||
2756 | const MCSymbolRefExpr *SR = cast<MCSymbolRefExpr>(Imm.Val); | ||||||||
2757 | Inst.addOperand(MCOperand::createExpr(SR)); | ||||||||
2758 | return; | ||||||||
2759 | } | ||||||||
2760 | |||||||||
2761 | assert(isGPRMem() && "Unknown value type!")((isGPRMem() && "Unknown value type!") ? static_cast< void> (0) : __assert_fail ("isGPRMem() && \"Unknown value type!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2761, __PRETTY_FUNCTION__)); | ||||||||
2762 | assert(isa<MCConstantExpr>(Memory.OffsetImm) && "Unknown value type!")((isa<MCConstantExpr>(Memory.OffsetImm) && "Unknown value type!" ) ? static_cast<void> (0) : __assert_fail ("isa<MCConstantExpr>(Memory.OffsetImm) && \"Unknown value type!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2762, __PRETTY_FUNCTION__)); | ||||||||
2763 | Inst.addOperand(MCOperand::createImm(Memory.OffsetImm->getValue())); | ||||||||
2764 | } | ||||||||
2765 | |||||||||
2766 | void addMemBarrierOptOperands(MCInst &Inst, unsigned N) const { | ||||||||
2767 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2767, __PRETTY_FUNCTION__)); | ||||||||
2768 | Inst.addOperand(MCOperand::createImm(unsigned(getMemBarrierOpt()))); | ||||||||
2769 | } | ||||||||
2770 | |||||||||
2771 | void addInstSyncBarrierOptOperands(MCInst &Inst, unsigned N) const { | ||||||||
2772 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2772, __PRETTY_FUNCTION__)); | ||||||||
2773 | Inst.addOperand(MCOperand::createImm(unsigned(getInstSyncBarrierOpt()))); | ||||||||
2774 | } | ||||||||
2775 | |||||||||
2776 | void addTraceSyncBarrierOptOperands(MCInst &Inst, unsigned N) const { | ||||||||
2777 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2777, __PRETTY_FUNCTION__)); | ||||||||
2778 | Inst.addOperand(MCOperand::createImm(unsigned(getTraceSyncBarrierOpt()))); | ||||||||
2779 | } | ||||||||
2780 | |||||||||
2781 | void addMemNoOffsetOperands(MCInst &Inst, unsigned N) const { | ||||||||
2782 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2782, __PRETTY_FUNCTION__)); | ||||||||
2783 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
2784 | } | ||||||||
2785 | |||||||||
2786 | void addMemNoOffsetT2Operands(MCInst &Inst, unsigned N) const { | ||||||||
2787 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2787, __PRETTY_FUNCTION__)); | ||||||||
2788 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
2789 | } | ||||||||
2790 | |||||||||
2791 | void addMemNoOffsetT2NoSpOperands(MCInst &Inst, unsigned N) const { | ||||||||
2792 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2792, __PRETTY_FUNCTION__)); | ||||||||
2793 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
2794 | } | ||||||||
2795 | |||||||||
2796 | void addMemNoOffsetTOperands(MCInst &Inst, unsigned N) const { | ||||||||
2797 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2797, __PRETTY_FUNCTION__)); | ||||||||
2798 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
2799 | } | ||||||||
2800 | |||||||||
2801 | void addMemPCRelImm12Operands(MCInst &Inst, unsigned N) const { | ||||||||
2802 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2802, __PRETTY_FUNCTION__)); | ||||||||
2803 | int32_t Imm = Memory.OffsetImm->getValue(); | ||||||||
2804 | Inst.addOperand(MCOperand::createImm(Imm)); | ||||||||
2805 | } | ||||||||
2806 | |||||||||
2807 | void addAdrLabelOperands(MCInst &Inst, unsigned N) const { | ||||||||
2808 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2808, __PRETTY_FUNCTION__)); | ||||||||
2809 | assert(isImm() && "Not an immediate!")((isImm() && "Not an immediate!") ? static_cast<void > (0) : __assert_fail ("isImm() && \"Not an immediate!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2809, __PRETTY_FUNCTION__)); | ||||||||
2810 | |||||||||
2811 | // If we have an immediate that's not a constant, treat it as a label | ||||||||
2812 | // reference needing a fixup. | ||||||||
2813 | if (!isa<MCConstantExpr>(getImm())) { | ||||||||
2814 | Inst.addOperand(MCOperand::createExpr(getImm())); | ||||||||
2815 | return; | ||||||||
2816 | } | ||||||||
2817 | |||||||||
2818 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
2819 | int Val = CE->getValue(); | ||||||||
2820 | Inst.addOperand(MCOperand::createImm(Val)); | ||||||||
2821 | } | ||||||||
2822 | |||||||||
2823 | void addAlignedMemoryOperands(MCInst &Inst, unsigned N) const { | ||||||||
2824 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2824, __PRETTY_FUNCTION__)); | ||||||||
2825 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
2826 | Inst.addOperand(MCOperand::createImm(Memory.Alignment)); | ||||||||
2827 | } | ||||||||
2828 | |||||||||
2829 | void addDupAlignedMemoryNoneOperands(MCInst &Inst, unsigned N) const { | ||||||||
2830 | addAlignedMemoryOperands(Inst, N); | ||||||||
2831 | } | ||||||||
2832 | |||||||||
2833 | void addAlignedMemoryNoneOperands(MCInst &Inst, unsigned N) const { | ||||||||
2834 | addAlignedMemoryOperands(Inst, N); | ||||||||
2835 | } | ||||||||
2836 | |||||||||
2837 | void addAlignedMemory16Operands(MCInst &Inst, unsigned N) const { | ||||||||
2838 | addAlignedMemoryOperands(Inst, N); | ||||||||
2839 | } | ||||||||
2840 | |||||||||
2841 | void addDupAlignedMemory16Operands(MCInst &Inst, unsigned N) const { | ||||||||
2842 | addAlignedMemoryOperands(Inst, N); | ||||||||
2843 | } | ||||||||
2844 | |||||||||
2845 | void addAlignedMemory32Operands(MCInst &Inst, unsigned N) const { | ||||||||
2846 | addAlignedMemoryOperands(Inst, N); | ||||||||
2847 | } | ||||||||
2848 | |||||||||
2849 | void addDupAlignedMemory32Operands(MCInst &Inst, unsigned N) const { | ||||||||
2850 | addAlignedMemoryOperands(Inst, N); | ||||||||
2851 | } | ||||||||
2852 | |||||||||
2853 | void addAlignedMemory64Operands(MCInst &Inst, unsigned N) const { | ||||||||
2854 | addAlignedMemoryOperands(Inst, N); | ||||||||
2855 | } | ||||||||
2856 | |||||||||
2857 | void addDupAlignedMemory64Operands(MCInst &Inst, unsigned N) const { | ||||||||
2858 | addAlignedMemoryOperands(Inst, N); | ||||||||
2859 | } | ||||||||
2860 | |||||||||
2861 | void addAlignedMemory64or128Operands(MCInst &Inst, unsigned N) const { | ||||||||
2862 | addAlignedMemoryOperands(Inst, N); | ||||||||
2863 | } | ||||||||
2864 | |||||||||
2865 | void addDupAlignedMemory64or128Operands(MCInst &Inst, unsigned N) const { | ||||||||
2866 | addAlignedMemoryOperands(Inst, N); | ||||||||
2867 | } | ||||||||
2868 | |||||||||
2869 | void addAlignedMemory64or128or256Operands(MCInst &Inst, unsigned N) const { | ||||||||
2870 | addAlignedMemoryOperands(Inst, N); | ||||||||
2871 | } | ||||||||
2872 | |||||||||
2873 | void addAddrMode2Operands(MCInst &Inst, unsigned N) const { | ||||||||
2874 | assert(N == 3 && "Invalid number of operands!")((N == 3 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 3 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2874, __PRETTY_FUNCTION__)); | ||||||||
2875 | int32_t Val = Memory.OffsetImm ? Memory.OffsetImm->getValue() : 0; | ||||||||
2876 | if (!Memory.OffsetRegNum) { | ||||||||
2877 | ARM_AM::AddrOpc AddSub = Val < 0 ? ARM_AM::sub : ARM_AM::add; | ||||||||
2878 | // Special case for #-0 | ||||||||
2879 | if (Val == std::numeric_limits<int32_t>::min()) Val = 0; | ||||||||
2880 | if (Val < 0) Val = -Val; | ||||||||
2881 | Val = ARM_AM::getAM2Opc(AddSub, Val, ARM_AM::no_shift); | ||||||||
2882 | } else { | ||||||||
2883 | // For register offset, we encode the shift type and negation flag | ||||||||
2884 | // here. | ||||||||
2885 | Val = ARM_AM::getAM2Opc(Memory.isNegative ? ARM_AM::sub : ARM_AM::add, | ||||||||
2886 | Memory.ShiftImm, Memory.ShiftType); | ||||||||
2887 | } | ||||||||
2888 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
2889 | Inst.addOperand(MCOperand::createReg(Memory.OffsetRegNum)); | ||||||||
2890 | Inst.addOperand(MCOperand::createImm(Val)); | ||||||||
2891 | } | ||||||||
2892 | |||||||||
2893 | void addAM2OffsetImmOperands(MCInst &Inst, unsigned N) const { | ||||||||
2894 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2894, __PRETTY_FUNCTION__)); | ||||||||
2895 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
2896 | assert(CE && "non-constant AM2OffsetImm operand!")((CE && "non-constant AM2OffsetImm operand!") ? static_cast <void> (0) : __assert_fail ("CE && \"non-constant AM2OffsetImm operand!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2896, __PRETTY_FUNCTION__)); | ||||||||
2897 | int32_t Val = CE->getValue(); | ||||||||
2898 | ARM_AM::AddrOpc AddSub = Val < 0 ? ARM_AM::sub : ARM_AM::add; | ||||||||
2899 | // Special case for #-0 | ||||||||
2900 | if (Val == std::numeric_limits<int32_t>::min()) Val = 0; | ||||||||
2901 | if (Val < 0) Val = -Val; | ||||||||
2902 | Val = ARM_AM::getAM2Opc(AddSub, Val, ARM_AM::no_shift); | ||||||||
2903 | Inst.addOperand(MCOperand::createReg(0)); | ||||||||
2904 | Inst.addOperand(MCOperand::createImm(Val)); | ||||||||
2905 | } | ||||||||
2906 | |||||||||
2907 | void addAddrMode3Operands(MCInst &Inst, unsigned N) const { | ||||||||
2908 | assert(N == 3 && "Invalid number of operands!")((N == 3 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 3 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2908, __PRETTY_FUNCTION__)); | ||||||||
2909 | // If we have an immediate that's not a constant, treat it as a label | ||||||||
2910 | // reference needing a fixup. If it is a constant, it's something else | ||||||||
2911 | // and we reject it. | ||||||||
2912 | if (isImm()) { | ||||||||
2913 | Inst.addOperand(MCOperand::createExpr(getImm())); | ||||||||
2914 | Inst.addOperand(MCOperand::createReg(0)); | ||||||||
2915 | Inst.addOperand(MCOperand::createImm(0)); | ||||||||
2916 | return; | ||||||||
2917 | } | ||||||||
2918 | |||||||||
2919 | int32_t Val = Memory.OffsetImm ? Memory.OffsetImm->getValue() : 0; | ||||||||
2920 | if (!Memory.OffsetRegNum) { | ||||||||
2921 | ARM_AM::AddrOpc AddSub = Val < 0 ? ARM_AM::sub : ARM_AM::add; | ||||||||
2922 | // Special case for #-0 | ||||||||
2923 | if (Val == std::numeric_limits<int32_t>::min()) Val = 0; | ||||||||
2924 | if (Val < 0) Val = -Val; | ||||||||
2925 | Val = ARM_AM::getAM3Opc(AddSub, Val); | ||||||||
2926 | } else { | ||||||||
2927 | // For register offset, we encode the shift type and negation flag | ||||||||
2928 | // here. | ||||||||
2929 | Val = ARM_AM::getAM3Opc(Memory.isNegative ? ARM_AM::sub : ARM_AM::add, 0); | ||||||||
2930 | } | ||||||||
2931 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
2932 | Inst.addOperand(MCOperand::createReg(Memory.OffsetRegNum)); | ||||||||
2933 | Inst.addOperand(MCOperand::createImm(Val)); | ||||||||
2934 | } | ||||||||
2935 | |||||||||
2936 | void addAM3OffsetOperands(MCInst &Inst, unsigned N) const { | ||||||||
2937 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2937, __PRETTY_FUNCTION__)); | ||||||||
2938 | if (Kind == k_PostIndexRegister) { | ||||||||
2939 | int32_t Val = | ||||||||
2940 | ARM_AM::getAM3Opc(PostIdxReg.isAdd ? ARM_AM::add : ARM_AM::sub, 0); | ||||||||
2941 | Inst.addOperand(MCOperand::createReg(PostIdxReg.RegNum)); | ||||||||
2942 | Inst.addOperand(MCOperand::createImm(Val)); | ||||||||
2943 | return; | ||||||||
2944 | } | ||||||||
2945 | |||||||||
2946 | // Constant offset. | ||||||||
2947 | const MCConstantExpr *CE = static_cast<const MCConstantExpr*>(getImm()); | ||||||||
2948 | int32_t Val = CE->getValue(); | ||||||||
2949 | ARM_AM::AddrOpc AddSub = Val < 0 ? ARM_AM::sub : ARM_AM::add; | ||||||||
2950 | // Special case for #-0 | ||||||||
2951 | if (Val == std::numeric_limits<int32_t>::min()) Val = 0; | ||||||||
2952 | if (Val < 0) Val = -Val; | ||||||||
2953 | Val = ARM_AM::getAM3Opc(AddSub, Val); | ||||||||
2954 | Inst.addOperand(MCOperand::createReg(0)); | ||||||||
2955 | Inst.addOperand(MCOperand::createImm(Val)); | ||||||||
2956 | } | ||||||||
2957 | |||||||||
2958 | void addAddrMode5Operands(MCInst &Inst, unsigned N) const { | ||||||||
2959 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2959, __PRETTY_FUNCTION__)); | ||||||||
2960 | // If we have an immediate that's not a constant, treat it as a label | ||||||||
2961 | // reference needing a fixup. If it is a constant, it's something else | ||||||||
2962 | // and we reject it. | ||||||||
2963 | if (isImm()) { | ||||||||
2964 | Inst.addOperand(MCOperand::createExpr(getImm())); | ||||||||
2965 | Inst.addOperand(MCOperand::createImm(0)); | ||||||||
2966 | return; | ||||||||
2967 | } | ||||||||
2968 | |||||||||
2969 | // The lower two bits are always zero and as such are not encoded. | ||||||||
2970 | int32_t Val = Memory.OffsetImm ? Memory.OffsetImm->getValue() / 4 : 0; | ||||||||
2971 | ARM_AM::AddrOpc AddSub = Val < 0 ? ARM_AM::sub : ARM_AM::add; | ||||||||
2972 | // Special case for #-0 | ||||||||
2973 | if (Val == std::numeric_limits<int32_t>::min()) Val = 0; | ||||||||
2974 | if (Val < 0) Val = -Val; | ||||||||
2975 | Val = ARM_AM::getAM5Opc(AddSub, Val); | ||||||||
2976 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
2977 | Inst.addOperand(MCOperand::createImm(Val)); | ||||||||
2978 | } | ||||||||
2979 | |||||||||
2980 | void addAddrMode5FP16Operands(MCInst &Inst, unsigned N) const { | ||||||||
2981 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 2981, __PRETTY_FUNCTION__)); | ||||||||
2982 | // If we have an immediate that's not a constant, treat it as a label | ||||||||
2983 | // reference needing a fixup. If it is a constant, it's something else | ||||||||
2984 | // and we reject it. | ||||||||
2985 | if (isImm()) { | ||||||||
2986 | Inst.addOperand(MCOperand::createExpr(getImm())); | ||||||||
2987 | Inst.addOperand(MCOperand::createImm(0)); | ||||||||
2988 | return; | ||||||||
2989 | } | ||||||||
2990 | |||||||||
2991 | // The lower bit is always zero and as such is not encoded. | ||||||||
2992 | int32_t Val = Memory.OffsetImm ? Memory.OffsetImm->getValue() / 2 : 0; | ||||||||
2993 | ARM_AM::AddrOpc AddSub = Val < 0 ? ARM_AM::sub : ARM_AM::add; | ||||||||
2994 | // Special case for #-0 | ||||||||
2995 | if (Val == std::numeric_limits<int32_t>::min()) Val = 0; | ||||||||
2996 | if (Val < 0) Val = -Val; | ||||||||
2997 | Val = ARM_AM::getAM5FP16Opc(AddSub, Val); | ||||||||
2998 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
2999 | Inst.addOperand(MCOperand::createImm(Val)); | ||||||||
3000 | } | ||||||||
3001 | |||||||||
3002 | void addMemImm8s4OffsetOperands(MCInst &Inst, unsigned N) const { | ||||||||
3003 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3003, __PRETTY_FUNCTION__)); | ||||||||
3004 | // If we have an immediate that's not a constant, treat it as a label | ||||||||
3005 | // reference needing a fixup. If it is a constant, it's something else | ||||||||
3006 | // and we reject it. | ||||||||
3007 | if (isImm()) { | ||||||||
3008 | Inst.addOperand(MCOperand::createExpr(getImm())); | ||||||||
3009 | Inst.addOperand(MCOperand::createImm(0)); | ||||||||
3010 | return; | ||||||||
3011 | } | ||||||||
3012 | |||||||||
3013 | int64_t Val = Memory.OffsetImm ? Memory.OffsetImm->getValue() : 0; | ||||||||
3014 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
3015 | Inst.addOperand(MCOperand::createImm(Val)); | ||||||||
3016 | } | ||||||||
3017 | |||||||||
3018 | void addMemImm7s4OffsetOperands(MCInst &Inst, unsigned N) const { | ||||||||
3019 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3019, __PRETTY_FUNCTION__)); | ||||||||
3020 | // If we have an immediate that's not a constant, treat it as a label | ||||||||
3021 | // reference needing a fixup. If it is a constant, it's something else | ||||||||
3022 | // and we reject it. | ||||||||
3023 | if (isImm()) { | ||||||||
3024 | Inst.addOperand(MCOperand::createExpr(getImm())); | ||||||||
3025 | Inst.addOperand(MCOperand::createImm(0)); | ||||||||
3026 | return; | ||||||||
3027 | } | ||||||||
3028 | |||||||||
3029 | int64_t Val = Memory.OffsetImm ? Memory.OffsetImm->getValue() : 0; | ||||||||
3030 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
3031 | Inst.addOperand(MCOperand::createImm(Val)); | ||||||||
3032 | } | ||||||||
3033 | |||||||||
3034 | void addMemImm0_1020s4OffsetOperands(MCInst &Inst, unsigned N) const { | ||||||||
3035 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3035, __PRETTY_FUNCTION__)); | ||||||||
3036 | // The lower two bits are always zero and as such are not encoded. | ||||||||
3037 | int32_t Val = Memory.OffsetImm ? Memory.OffsetImm->getValue() / 4 : 0; | ||||||||
3038 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
3039 | Inst.addOperand(MCOperand::createImm(Val)); | ||||||||
3040 | } | ||||||||
3041 | |||||||||
3042 | void addMemImmOffsetOperands(MCInst &Inst, unsigned N) const { | ||||||||
3043 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3043, __PRETTY_FUNCTION__)); | ||||||||
3044 | int64_t Val = Memory.OffsetImm ? Memory.OffsetImm->getValue() : 0; | ||||||||
3045 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
3046 | Inst.addOperand(MCOperand::createImm(Val)); | ||||||||
3047 | } | ||||||||
3048 | |||||||||
3049 | void addMemRegRQOffsetOperands(MCInst &Inst, unsigned N) const { | ||||||||
3050 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3050, __PRETTY_FUNCTION__)); | ||||||||
3051 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
3052 | Inst.addOperand(MCOperand::createReg(Memory.OffsetRegNum)); | ||||||||
3053 | } | ||||||||
3054 | |||||||||
3055 | void addMemUImm12OffsetOperands(MCInst &Inst, unsigned N) const { | ||||||||
3056 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3056, __PRETTY_FUNCTION__)); | ||||||||
3057 | // If this is an immediate, it's a label reference. | ||||||||
3058 | if (isImm()) { | ||||||||
3059 | addExpr(Inst, getImm()); | ||||||||
3060 | Inst.addOperand(MCOperand::createImm(0)); | ||||||||
3061 | return; | ||||||||
3062 | } | ||||||||
3063 | |||||||||
3064 | // Otherwise, it's a normal memory reg+offset. | ||||||||
3065 | int64_t Val = Memory.OffsetImm ? Memory.OffsetImm->getValue() : 0; | ||||||||
3066 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
3067 | Inst.addOperand(MCOperand::createImm(Val)); | ||||||||
3068 | } | ||||||||
3069 | |||||||||
3070 | void addMemImm12OffsetOperands(MCInst &Inst, unsigned N) const { | ||||||||
3071 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3071, __PRETTY_FUNCTION__)); | ||||||||
3072 | // If this is an immediate, it's a label reference. | ||||||||
3073 | if (isImm()) { | ||||||||
3074 | addExpr(Inst, getImm()); | ||||||||
3075 | Inst.addOperand(MCOperand::createImm(0)); | ||||||||
3076 | return; | ||||||||
3077 | } | ||||||||
3078 | |||||||||
3079 | // Otherwise, it's a normal memory reg+offset. | ||||||||
3080 | int64_t Val = Memory.OffsetImm ? Memory.OffsetImm->getValue() : 0; | ||||||||
3081 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
3082 | Inst.addOperand(MCOperand::createImm(Val)); | ||||||||
3083 | } | ||||||||
3084 | |||||||||
3085 | void addConstPoolAsmImmOperands(MCInst &Inst, unsigned N) const { | ||||||||
3086 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3086, __PRETTY_FUNCTION__)); | ||||||||
3087 | // This is container for the immediate that we will create the constant | ||||||||
3088 | // pool from | ||||||||
3089 | addExpr(Inst, getConstantPoolImm()); | ||||||||
3090 | return; | ||||||||
3091 | } | ||||||||
3092 | |||||||||
3093 | void addMemTBBOperands(MCInst &Inst, unsigned N) const { | ||||||||
3094 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3094, __PRETTY_FUNCTION__)); | ||||||||
3095 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
3096 | Inst.addOperand(MCOperand::createReg(Memory.OffsetRegNum)); | ||||||||
3097 | } | ||||||||
3098 | |||||||||
3099 | void addMemTBHOperands(MCInst &Inst, unsigned N) const { | ||||||||
3100 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3100, __PRETTY_FUNCTION__)); | ||||||||
3101 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
3102 | Inst.addOperand(MCOperand::createReg(Memory.OffsetRegNum)); | ||||||||
3103 | } | ||||||||
3104 | |||||||||
3105 | void addMemRegOffsetOperands(MCInst &Inst, unsigned N) const { | ||||||||
3106 | assert(N == 3 && "Invalid number of operands!")((N == 3 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 3 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3106, __PRETTY_FUNCTION__)); | ||||||||
3107 | unsigned Val = | ||||||||
3108 | ARM_AM::getAM2Opc(Memory.isNegative ? ARM_AM::sub : ARM_AM::add, | ||||||||
3109 | Memory.ShiftImm, Memory.ShiftType); | ||||||||
3110 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
3111 | Inst.addOperand(MCOperand::createReg(Memory.OffsetRegNum)); | ||||||||
3112 | Inst.addOperand(MCOperand::createImm(Val)); | ||||||||
3113 | } | ||||||||
3114 | |||||||||
3115 | void addT2MemRegOffsetOperands(MCInst &Inst, unsigned N) const { | ||||||||
3116 | assert(N == 3 && "Invalid number of operands!")((N == 3 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 3 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3116, __PRETTY_FUNCTION__)); | ||||||||
3117 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
3118 | Inst.addOperand(MCOperand::createReg(Memory.OffsetRegNum)); | ||||||||
3119 | Inst.addOperand(MCOperand::createImm(Memory.ShiftImm)); | ||||||||
3120 | } | ||||||||
3121 | |||||||||
3122 | void addMemThumbRROperands(MCInst &Inst, unsigned N) const { | ||||||||
3123 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3123, __PRETTY_FUNCTION__)); | ||||||||
3124 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
3125 | Inst.addOperand(MCOperand::createReg(Memory.OffsetRegNum)); | ||||||||
3126 | } | ||||||||
3127 | |||||||||
3128 | void addMemThumbRIs4Operands(MCInst &Inst, unsigned N) const { | ||||||||
3129 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3129, __PRETTY_FUNCTION__)); | ||||||||
3130 | int64_t Val = Memory.OffsetImm ? (Memory.OffsetImm->getValue() / 4) : 0; | ||||||||
3131 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
3132 | Inst.addOperand(MCOperand::createImm(Val)); | ||||||||
3133 | } | ||||||||
3134 | |||||||||
3135 | void addMemThumbRIs2Operands(MCInst &Inst, unsigned N) const { | ||||||||
3136 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3136, __PRETTY_FUNCTION__)); | ||||||||
3137 | int64_t Val = Memory.OffsetImm ? (Memory.OffsetImm->getValue() / 2) : 0; | ||||||||
3138 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
3139 | Inst.addOperand(MCOperand::createImm(Val)); | ||||||||
3140 | } | ||||||||
3141 | |||||||||
3142 | void addMemThumbRIs1Operands(MCInst &Inst, unsigned N) const { | ||||||||
3143 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3143, __PRETTY_FUNCTION__)); | ||||||||
3144 | int64_t Val = Memory.OffsetImm ? (Memory.OffsetImm->getValue()) : 0; | ||||||||
3145 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
3146 | Inst.addOperand(MCOperand::createImm(Val)); | ||||||||
3147 | } | ||||||||
3148 | |||||||||
3149 | void addMemThumbSPIOperands(MCInst &Inst, unsigned N) const { | ||||||||
3150 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3150, __PRETTY_FUNCTION__)); | ||||||||
3151 | int64_t Val = Memory.OffsetImm ? (Memory.OffsetImm->getValue() / 4) : 0; | ||||||||
3152 | Inst.addOperand(MCOperand::createReg(Memory.BaseRegNum)); | ||||||||
3153 | Inst.addOperand(MCOperand::createImm(Val)); | ||||||||
3154 | } | ||||||||
3155 | |||||||||
3156 | void addPostIdxImm8Operands(MCInst &Inst, unsigned N) const { | ||||||||
3157 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3157, __PRETTY_FUNCTION__)); | ||||||||
3158 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
3159 | assert(CE && "non-constant post-idx-imm8 operand!")((CE && "non-constant post-idx-imm8 operand!") ? static_cast <void> (0) : __assert_fail ("CE && \"non-constant post-idx-imm8 operand!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3159, __PRETTY_FUNCTION__)); | ||||||||
3160 | int Imm = CE->getValue(); | ||||||||
3161 | bool isAdd = Imm >= 0; | ||||||||
3162 | if (Imm == std::numeric_limits<int32_t>::min()) Imm = 0; | ||||||||
3163 | Imm = (Imm < 0 ? -Imm : Imm) | (int)isAdd << 8; | ||||||||
3164 | Inst.addOperand(MCOperand::createImm(Imm)); | ||||||||
3165 | } | ||||||||
3166 | |||||||||
3167 | void addPostIdxImm8s4Operands(MCInst &Inst, unsigned N) const { | ||||||||
3168 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3168, __PRETTY_FUNCTION__)); | ||||||||
3169 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | ||||||||
3170 | assert(CE && "non-constant post-idx-imm8s4 operand!")((CE && "non-constant post-idx-imm8s4 operand!") ? static_cast <void> (0) : __assert_fail ("CE && \"non-constant post-idx-imm8s4 operand!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3170, __PRETTY_FUNCTION__)); | ||||||||
3171 | int Imm = CE->getValue(); | ||||||||
3172 | bool isAdd = Imm >= 0; | ||||||||
3173 | if (Imm == std::numeric_limits<int32_t>::min()) Imm = 0; | ||||||||
3174 | // Immediate is scaled by 4. | ||||||||
3175 | Imm = ((Imm < 0 ? -Imm : Imm) / 4) | (int)isAdd << 8; | ||||||||
3176 | Inst.addOperand(MCOperand::createImm(Imm)); | ||||||||
3177 | } | ||||||||
3178 | |||||||||
3179 | void addPostIdxRegOperands(MCInst &Inst, unsigned N) const { | ||||||||
3180 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3180, __PRETTY_FUNCTION__)); | ||||||||
3181 | Inst.addOperand(MCOperand::createReg(PostIdxReg.RegNum)); | ||||||||
3182 | Inst.addOperand(MCOperand::createImm(PostIdxReg.isAdd)); | ||||||||
3183 | } | ||||||||
3184 | |||||||||
3185 | void addPostIdxRegShiftedOperands(MCInst &Inst, unsigned N) const { | ||||||||
3186 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3186, __PRETTY_FUNCTION__)); | ||||||||
3187 | Inst.addOperand(MCOperand::createReg(PostIdxReg.RegNum)); | ||||||||
3188 | // The sign, shift type, and shift amount are encoded in a single operand | ||||||||
3189 | // using the AM2 encoding helpers. | ||||||||
3190 | ARM_AM::AddrOpc opc = PostIdxReg.isAdd ? ARM_AM::add : ARM_AM::sub; | ||||||||
3191 | unsigned Imm = ARM_AM::getAM2Opc(opc, PostIdxReg.ShiftImm, | ||||||||
3192 | PostIdxReg.ShiftTy); | ||||||||
3193 | Inst.addOperand(MCOperand::createImm(Imm)); | ||||||||
3194 | } | ||||||||
3195 | |||||||||
3196 | void addPowerTwoOperands(MCInst &Inst, unsigned N) const { | ||||||||
3197 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3197, __PRETTY_FUNCTION__)); | ||||||||
3198 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
3199 | Inst.addOperand(MCOperand::createImm(CE->getValue())); | ||||||||
3200 | } | ||||||||
3201 | |||||||||
3202 | void addMSRMaskOperands(MCInst &Inst, unsigned N) const { | ||||||||
3203 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3203, __PRETTY_FUNCTION__)); | ||||||||
3204 | Inst.addOperand(MCOperand::createImm(unsigned(getMSRMask()))); | ||||||||
3205 | } | ||||||||
3206 | |||||||||
3207 | void addBankedRegOperands(MCInst &Inst, unsigned N) const { | ||||||||
3208 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3208, __PRETTY_FUNCTION__)); | ||||||||
3209 | Inst.addOperand(MCOperand::createImm(unsigned(getBankedReg()))); | ||||||||
3210 | } | ||||||||
3211 | |||||||||
3212 | void addProcIFlagsOperands(MCInst &Inst, unsigned N) const { | ||||||||
3213 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3213, __PRETTY_FUNCTION__)); | ||||||||
3214 | Inst.addOperand(MCOperand::createImm(unsigned(getProcIFlags()))); | ||||||||
3215 | } | ||||||||
3216 | |||||||||
3217 | void addVecListOperands(MCInst &Inst, unsigned N) const { | ||||||||
3218 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3218, __PRETTY_FUNCTION__)); | ||||||||
3219 | Inst.addOperand(MCOperand::createReg(VectorList.RegNum)); | ||||||||
3220 | } | ||||||||
3221 | |||||||||
3222 | void addMVEVecListOperands(MCInst &Inst, unsigned N) const { | ||||||||
3223 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3223, __PRETTY_FUNCTION__)); | ||||||||
3224 | |||||||||
3225 | // When we come here, the VectorList field will identify a range | ||||||||
3226 | // of q-registers by its base register and length, and it will | ||||||||
3227 | // have already been error-checked to be the expected length of | ||||||||
3228 | // range and contain only q-regs in the range q0-q7. So we can | ||||||||
3229 | // count on the base register being in the range q0-q6 (for 2 | ||||||||
3230 | // regs) or q0-q4 (for 4) | ||||||||
3231 | // | ||||||||
3232 | // The MVE instructions taking a register range of this kind will | ||||||||
3233 | // need an operand in the QQPR or QQQQPR class, representing the | ||||||||
3234 | // entire range as a unit. So we must translate into that class, | ||||||||
3235 | // by finding the index of the base register in the MQPR reg | ||||||||
3236 | // class, and returning the super-register at the corresponding | ||||||||
3237 | // index in the target class. | ||||||||
3238 | |||||||||
3239 | const MCRegisterClass *RC_in = &ARMMCRegisterClasses[ARM::MQPRRegClassID]; | ||||||||
3240 | const MCRegisterClass *RC_out = (VectorList.Count == 2) ? | ||||||||
3241 | &ARMMCRegisterClasses[ARM::QQPRRegClassID] : | ||||||||
3242 | &ARMMCRegisterClasses[ARM::QQQQPRRegClassID]; | ||||||||
3243 | |||||||||
3244 | unsigned I, E = RC_out->getNumRegs(); | ||||||||
3245 | for (I = 0; I < E; I++) | ||||||||
3246 | if (RC_in->getRegister(I) == VectorList.RegNum) | ||||||||
3247 | break; | ||||||||
3248 | assert(I < E && "Invalid vector list start register!")((I < E && "Invalid vector list start register!") ? static_cast<void> (0) : __assert_fail ("I < E && \"Invalid vector list start register!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3248, __PRETTY_FUNCTION__)); | ||||||||
3249 | |||||||||
3250 | Inst.addOperand(MCOperand::createReg(RC_out->getRegister(I))); | ||||||||
3251 | } | ||||||||
3252 | |||||||||
3253 | void addVecListIndexedOperands(MCInst &Inst, unsigned N) const { | ||||||||
3254 | assert(N == 2 && "Invalid number of operands!")((N == 2 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3254, __PRETTY_FUNCTION__)); | ||||||||
3255 | Inst.addOperand(MCOperand::createReg(VectorList.RegNum)); | ||||||||
3256 | Inst.addOperand(MCOperand::createImm(VectorList.LaneIndex)); | ||||||||
3257 | } | ||||||||
3258 | |||||||||
3259 | void addVectorIndex8Operands(MCInst &Inst, unsigned N) const { | ||||||||
3260 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3260, __PRETTY_FUNCTION__)); | ||||||||
3261 | Inst.addOperand(MCOperand::createImm(getVectorIndex())); | ||||||||
3262 | } | ||||||||
3263 | |||||||||
3264 | void addVectorIndex16Operands(MCInst &Inst, unsigned N) const { | ||||||||
3265 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3265, __PRETTY_FUNCTION__)); | ||||||||
3266 | Inst.addOperand(MCOperand::createImm(getVectorIndex())); | ||||||||
3267 | } | ||||||||
3268 | |||||||||
3269 | void addVectorIndex32Operands(MCInst &Inst, unsigned N) const { | ||||||||
3270 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3270, __PRETTY_FUNCTION__)); | ||||||||
3271 | Inst.addOperand(MCOperand::createImm(getVectorIndex())); | ||||||||
3272 | } | ||||||||
3273 | |||||||||
3274 | void addVectorIndex64Operands(MCInst &Inst, unsigned N) const { | ||||||||
3275 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3275, __PRETTY_FUNCTION__)); | ||||||||
3276 | Inst.addOperand(MCOperand::createImm(getVectorIndex())); | ||||||||
3277 | } | ||||||||
3278 | |||||||||
3279 | void addMVEVectorIndexOperands(MCInst &Inst, unsigned N) const { | ||||||||
3280 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3280, __PRETTY_FUNCTION__)); | ||||||||
3281 | Inst.addOperand(MCOperand::createImm(getVectorIndex())); | ||||||||
3282 | } | ||||||||
3283 | |||||||||
3284 | void addMVEPairVectorIndexOperands(MCInst &Inst, unsigned N) const { | ||||||||
3285 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3285, __PRETTY_FUNCTION__)); | ||||||||
3286 | Inst.addOperand(MCOperand::createImm(getVectorIndex())); | ||||||||
3287 | } | ||||||||
3288 | |||||||||
3289 | void addNEONi8splatOperands(MCInst &Inst, unsigned N) const { | ||||||||
3290 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3290, __PRETTY_FUNCTION__)); | ||||||||
3291 | // The immediate encodes the type of constant as well as the value. | ||||||||
3292 | // Mask in that this is an i8 splat. | ||||||||
3293 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
3294 | Inst.addOperand(MCOperand::createImm(CE->getValue() | 0xe00)); | ||||||||
3295 | } | ||||||||
3296 | |||||||||
3297 | void addNEONi16splatOperands(MCInst &Inst, unsigned N) const { | ||||||||
3298 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3298, __PRETTY_FUNCTION__)); | ||||||||
3299 | // The immediate encodes the type of constant as well as the value. | ||||||||
3300 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
3301 | unsigned Value = CE->getValue(); | ||||||||
3302 | Value = ARM_AM::encodeNEONi16splat(Value); | ||||||||
3303 | Inst.addOperand(MCOperand::createImm(Value)); | ||||||||
3304 | } | ||||||||
3305 | |||||||||
3306 | void addNEONi16splatNotOperands(MCInst &Inst, unsigned N) const { | ||||||||
3307 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3307, __PRETTY_FUNCTION__)); | ||||||||
3308 | // The immediate encodes the type of constant as well as the value. | ||||||||
3309 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
3310 | unsigned Value = CE->getValue(); | ||||||||
3311 | Value = ARM_AM::encodeNEONi16splat(~Value & 0xffff); | ||||||||
3312 | Inst.addOperand(MCOperand::createImm(Value)); | ||||||||
3313 | } | ||||||||
3314 | |||||||||
3315 | void addNEONi32splatOperands(MCInst &Inst, unsigned N) const { | ||||||||
3316 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3316, __PRETTY_FUNCTION__)); | ||||||||
3317 | // The immediate encodes the type of constant as well as the value. | ||||||||
3318 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
3319 | unsigned Value = CE->getValue(); | ||||||||
3320 | Value = ARM_AM::encodeNEONi32splat(Value); | ||||||||
3321 | Inst.addOperand(MCOperand::createImm(Value)); | ||||||||
3322 | } | ||||||||
3323 | |||||||||
3324 | void addNEONi32splatNotOperands(MCInst &Inst, unsigned N) const { | ||||||||
3325 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3325, __PRETTY_FUNCTION__)); | ||||||||
3326 | // The immediate encodes the type of constant as well as the value. | ||||||||
3327 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
3328 | unsigned Value = CE->getValue(); | ||||||||
3329 | Value = ARM_AM::encodeNEONi32splat(~Value); | ||||||||
3330 | Inst.addOperand(MCOperand::createImm(Value)); | ||||||||
3331 | } | ||||||||
3332 | |||||||||
3333 | void addNEONi8ReplicateOperands(MCInst &Inst, bool Inv) const { | ||||||||
3334 | // The immediate encodes the type of constant as well as the value. | ||||||||
3335 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
3336 | assert((Inst.getOpcode() == ARM::VMOVv8i8 ||(((Inst.getOpcode() == ARM::VMOVv8i8 || Inst.getOpcode() == ARM ::VMOVv16i8) && "All instructions that wants to replicate non-zero byte " "always must be replaced with VMOVv8i8 or VMOVv16i8.") ? static_cast <void> (0) : __assert_fail ("(Inst.getOpcode() == ARM::VMOVv8i8 || Inst.getOpcode() == ARM::VMOVv16i8) && \"All instructions that wants to replicate non-zero byte \" \"always must be replaced with VMOVv8i8 or VMOVv16i8.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3339, __PRETTY_FUNCTION__)) | ||||||||
3337 | Inst.getOpcode() == ARM::VMOVv16i8) &&(((Inst.getOpcode() == ARM::VMOVv8i8 || Inst.getOpcode() == ARM ::VMOVv16i8) && "All instructions that wants to replicate non-zero byte " "always must be replaced with VMOVv8i8 or VMOVv16i8.") ? static_cast <void> (0) : __assert_fail ("(Inst.getOpcode() == ARM::VMOVv8i8 || Inst.getOpcode() == ARM::VMOVv16i8) && \"All instructions that wants to replicate non-zero byte \" \"always must be replaced with VMOVv8i8 or VMOVv16i8.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3339, __PRETTY_FUNCTION__)) | ||||||||
3338 | "All instructions that wants to replicate non-zero byte "(((Inst.getOpcode() == ARM::VMOVv8i8 || Inst.getOpcode() == ARM ::VMOVv16i8) && "All instructions that wants to replicate non-zero byte " "always must be replaced with VMOVv8i8 or VMOVv16i8.") ? static_cast <void> (0) : __assert_fail ("(Inst.getOpcode() == ARM::VMOVv8i8 || Inst.getOpcode() == ARM::VMOVv16i8) && \"All instructions that wants to replicate non-zero byte \" \"always must be replaced with VMOVv8i8 or VMOVv16i8.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3339, __PRETTY_FUNCTION__)) | ||||||||
3339 | "always must be replaced with VMOVv8i8 or VMOVv16i8.")(((Inst.getOpcode() == ARM::VMOVv8i8 || Inst.getOpcode() == ARM ::VMOVv16i8) && "All instructions that wants to replicate non-zero byte " "always must be replaced with VMOVv8i8 or VMOVv16i8.") ? static_cast <void> (0) : __assert_fail ("(Inst.getOpcode() == ARM::VMOVv8i8 || Inst.getOpcode() == ARM::VMOVv16i8) && \"All instructions that wants to replicate non-zero byte \" \"always must be replaced with VMOVv8i8 or VMOVv16i8.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3339, __PRETTY_FUNCTION__)); | ||||||||
3340 | unsigned Value = CE->getValue(); | ||||||||
3341 | if (Inv) | ||||||||
3342 | Value = ~Value; | ||||||||
3343 | unsigned B = Value & 0xff; | ||||||||
3344 | B |= 0xe00; // cmode = 0b1110 | ||||||||
3345 | Inst.addOperand(MCOperand::createImm(B)); | ||||||||
3346 | } | ||||||||
3347 | |||||||||
3348 | void addNEONinvi8ReplicateOperands(MCInst &Inst, unsigned N) const { | ||||||||
3349 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3349, __PRETTY_FUNCTION__)); | ||||||||
3350 | addNEONi8ReplicateOperands(Inst, true); | ||||||||
3351 | } | ||||||||
3352 | |||||||||
3353 | static unsigned encodeNeonVMOVImmediate(unsigned Value) { | ||||||||
3354 | if (Value >= 256 && Value <= 0xffff) | ||||||||
3355 | Value = (Value >> 8) | ((Value & 0xff) ? 0xc00 : 0x200); | ||||||||
3356 | else if (Value > 0xffff && Value <= 0xffffff) | ||||||||
3357 | Value = (Value >> 16) | ((Value & 0xff) ? 0xd00 : 0x400); | ||||||||
3358 | else if (Value > 0xffffff) | ||||||||
3359 | Value = (Value >> 24) | 0x600; | ||||||||
3360 | return Value; | ||||||||
3361 | } | ||||||||
3362 | |||||||||
3363 | void addNEONi32vmovOperands(MCInst &Inst, unsigned N) const { | ||||||||
3364 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3364, __PRETTY_FUNCTION__)); | ||||||||
3365 | // The immediate encodes the type of constant as well as the value. | ||||||||
3366 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
3367 | unsigned Value = encodeNeonVMOVImmediate(CE->getValue()); | ||||||||
3368 | Inst.addOperand(MCOperand::createImm(Value)); | ||||||||
3369 | } | ||||||||
3370 | |||||||||
3371 | void addNEONvmovi8ReplicateOperands(MCInst &Inst, unsigned N) const { | ||||||||
3372 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3372, __PRETTY_FUNCTION__)); | ||||||||
3373 | addNEONi8ReplicateOperands(Inst, false); | ||||||||
3374 | } | ||||||||
3375 | |||||||||
3376 | void addNEONvmovi16ReplicateOperands(MCInst &Inst, unsigned N) const { | ||||||||
3377 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3377, __PRETTY_FUNCTION__)); | ||||||||
3378 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
3379 | assert((Inst.getOpcode() == ARM::VMOVv4i16 ||(((Inst.getOpcode() == ARM::VMOVv4i16 || Inst.getOpcode() == ARM ::VMOVv8i16 || Inst.getOpcode() == ARM::VMVNv4i16 || Inst.getOpcode () == ARM::VMVNv8i16) && "All instructions that want to replicate non-zero half-word " "always must be replaced with V{MOV,MVN}v{4,8}i16.") ? static_cast <void> (0) : __assert_fail ("(Inst.getOpcode() == ARM::VMOVv4i16 || Inst.getOpcode() == ARM::VMOVv8i16 || Inst.getOpcode() == ARM::VMVNv4i16 || Inst.getOpcode() == ARM::VMVNv8i16) && \"All instructions that want to replicate non-zero half-word \" \"always must be replaced with V{MOV,MVN}v{4,8}i16.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3384, __PRETTY_FUNCTION__)) | ||||||||
3380 | Inst.getOpcode() == ARM::VMOVv8i16 ||(((Inst.getOpcode() == ARM::VMOVv4i16 || Inst.getOpcode() == ARM ::VMOVv8i16 || Inst.getOpcode() == ARM::VMVNv4i16 || Inst.getOpcode () == ARM::VMVNv8i16) && "All instructions that want to replicate non-zero half-word " "always must be replaced with V{MOV,MVN}v{4,8}i16.") ? static_cast <void> (0) : __assert_fail ("(Inst.getOpcode() == ARM::VMOVv4i16 || Inst.getOpcode() == ARM::VMOVv8i16 || Inst.getOpcode() == ARM::VMVNv4i16 || Inst.getOpcode() == ARM::VMVNv8i16) && \"All instructions that want to replicate non-zero half-word \" \"always must be replaced with V{MOV,MVN}v{4,8}i16.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3384, __PRETTY_FUNCTION__)) | ||||||||
3381 | Inst.getOpcode() == ARM::VMVNv4i16 ||(((Inst.getOpcode() == ARM::VMOVv4i16 || Inst.getOpcode() == ARM ::VMOVv8i16 || Inst.getOpcode() == ARM::VMVNv4i16 || Inst.getOpcode () == ARM::VMVNv8i16) && "All instructions that want to replicate non-zero half-word " "always must be replaced with V{MOV,MVN}v{4,8}i16.") ? static_cast <void> (0) : __assert_fail ("(Inst.getOpcode() == ARM::VMOVv4i16 || Inst.getOpcode() == ARM::VMOVv8i16 || Inst.getOpcode() == ARM::VMVNv4i16 || Inst.getOpcode() == ARM::VMVNv8i16) && \"All instructions that want to replicate non-zero half-word \" \"always must be replaced with V{MOV,MVN}v{4,8}i16.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3384, __PRETTY_FUNCTION__)) | ||||||||
3382 | Inst.getOpcode() == ARM::VMVNv8i16) &&(((Inst.getOpcode() == ARM::VMOVv4i16 || Inst.getOpcode() == ARM ::VMOVv8i16 || Inst.getOpcode() == ARM::VMVNv4i16 || Inst.getOpcode () == ARM::VMVNv8i16) && "All instructions that want to replicate non-zero half-word " "always must be replaced with V{MOV,MVN}v{4,8}i16.") ? static_cast <void> (0) : __assert_fail ("(Inst.getOpcode() == ARM::VMOVv4i16 || Inst.getOpcode() == ARM::VMOVv8i16 || Inst.getOpcode() == ARM::VMVNv4i16 || Inst.getOpcode() == ARM::VMVNv8i16) && \"All instructions that want to replicate non-zero half-word \" \"always must be replaced with V{MOV,MVN}v{4,8}i16.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3384, __PRETTY_FUNCTION__)) | ||||||||
3383 | "All instructions that want to replicate non-zero half-word "(((Inst.getOpcode() == ARM::VMOVv4i16 || Inst.getOpcode() == ARM ::VMOVv8i16 || Inst.getOpcode() == ARM::VMVNv4i16 || Inst.getOpcode () == ARM::VMVNv8i16) && "All instructions that want to replicate non-zero half-word " "always must be replaced with V{MOV,MVN}v{4,8}i16.") ? static_cast <void> (0) : __assert_fail ("(Inst.getOpcode() == ARM::VMOVv4i16 || Inst.getOpcode() == ARM::VMOVv8i16 || Inst.getOpcode() == ARM::VMVNv4i16 || Inst.getOpcode() == ARM::VMVNv8i16) && \"All instructions that want to replicate non-zero half-word \" \"always must be replaced with V{MOV,MVN}v{4,8}i16.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3384, __PRETTY_FUNCTION__)) | ||||||||
3384 | "always must be replaced with V{MOV,MVN}v{4,8}i16.")(((Inst.getOpcode() == ARM::VMOVv4i16 || Inst.getOpcode() == ARM ::VMOVv8i16 || Inst.getOpcode() == ARM::VMVNv4i16 || Inst.getOpcode () == ARM::VMVNv8i16) && "All instructions that want to replicate non-zero half-word " "always must be replaced with V{MOV,MVN}v{4,8}i16.") ? static_cast <void> (0) : __assert_fail ("(Inst.getOpcode() == ARM::VMOVv4i16 || Inst.getOpcode() == ARM::VMOVv8i16 || Inst.getOpcode() == ARM::VMVNv4i16 || Inst.getOpcode() == ARM::VMVNv8i16) && \"All instructions that want to replicate non-zero half-word \" \"always must be replaced with V{MOV,MVN}v{4,8}i16.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3384, __PRETTY_FUNCTION__)); | ||||||||
3385 | uint64_t Value = CE->getValue(); | ||||||||
3386 | unsigned Elem = Value & 0xffff; | ||||||||
3387 | if (Elem >= 256) | ||||||||
3388 | Elem = (Elem >> 8) | 0x200; | ||||||||
3389 | Inst.addOperand(MCOperand::createImm(Elem)); | ||||||||
3390 | } | ||||||||
3391 | |||||||||
3392 | void addNEONi32vmovNegOperands(MCInst &Inst, unsigned N) const { | ||||||||
3393 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3393, __PRETTY_FUNCTION__)); | ||||||||
3394 | // The immediate encodes the type of constant as well as the value. | ||||||||
3395 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
3396 | unsigned Value = encodeNeonVMOVImmediate(~CE->getValue()); | ||||||||
3397 | Inst.addOperand(MCOperand::createImm(Value)); | ||||||||
3398 | } | ||||||||
3399 | |||||||||
3400 | void addNEONvmovi32ReplicateOperands(MCInst &Inst, unsigned N) const { | ||||||||
3401 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3401, __PRETTY_FUNCTION__)); | ||||||||
3402 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
3403 | assert((Inst.getOpcode() == ARM::VMOVv2i32 ||(((Inst.getOpcode() == ARM::VMOVv2i32 || Inst.getOpcode() == ARM ::VMOVv4i32 || Inst.getOpcode() == ARM::VMVNv2i32 || Inst.getOpcode () == ARM::VMVNv4i32) && "All instructions that want to replicate non-zero word " "always must be replaced with V{MOV,MVN}v{2,4}i32.") ? static_cast <void> (0) : __assert_fail ("(Inst.getOpcode() == ARM::VMOVv2i32 || Inst.getOpcode() == ARM::VMOVv4i32 || Inst.getOpcode() == ARM::VMVNv2i32 || Inst.getOpcode() == ARM::VMVNv4i32) && \"All instructions that want to replicate non-zero word \" \"always must be replaced with V{MOV,MVN}v{2,4}i32.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3408, __PRETTY_FUNCTION__)) | ||||||||
3404 | Inst.getOpcode() == ARM::VMOVv4i32 ||(((Inst.getOpcode() == ARM::VMOVv2i32 || Inst.getOpcode() == ARM ::VMOVv4i32 || Inst.getOpcode() == ARM::VMVNv2i32 || Inst.getOpcode () == ARM::VMVNv4i32) && "All instructions that want to replicate non-zero word " "always must be replaced with V{MOV,MVN}v{2,4}i32.") ? static_cast <void> (0) : __assert_fail ("(Inst.getOpcode() == ARM::VMOVv2i32 || Inst.getOpcode() == ARM::VMOVv4i32 || Inst.getOpcode() == ARM::VMVNv2i32 || Inst.getOpcode() == ARM::VMVNv4i32) && \"All instructions that want to replicate non-zero word \" \"always must be replaced with V{MOV,MVN}v{2,4}i32.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3408, __PRETTY_FUNCTION__)) | ||||||||
3405 | Inst.getOpcode() == ARM::VMVNv2i32 ||(((Inst.getOpcode() == ARM::VMOVv2i32 || Inst.getOpcode() == ARM ::VMOVv4i32 || Inst.getOpcode() == ARM::VMVNv2i32 || Inst.getOpcode () == ARM::VMVNv4i32) && "All instructions that want to replicate non-zero word " "always must be replaced with V{MOV,MVN}v{2,4}i32.") ? static_cast <void> (0) : __assert_fail ("(Inst.getOpcode() == ARM::VMOVv2i32 || Inst.getOpcode() == ARM::VMOVv4i32 || Inst.getOpcode() == ARM::VMVNv2i32 || Inst.getOpcode() == ARM::VMVNv4i32) && \"All instructions that want to replicate non-zero word \" \"always must be replaced with V{MOV,MVN}v{2,4}i32.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3408, __PRETTY_FUNCTION__)) | ||||||||
3406 | Inst.getOpcode() == ARM::VMVNv4i32) &&(((Inst.getOpcode() == ARM::VMOVv2i32 || Inst.getOpcode() == ARM ::VMOVv4i32 || Inst.getOpcode() == ARM::VMVNv2i32 || Inst.getOpcode () == ARM::VMVNv4i32) && "All instructions that want to replicate non-zero word " "always must be replaced with V{MOV,MVN}v{2,4}i32.") ? static_cast <void> (0) : __assert_fail ("(Inst.getOpcode() == ARM::VMOVv2i32 || Inst.getOpcode() == ARM::VMOVv4i32 || Inst.getOpcode() == ARM::VMVNv2i32 || Inst.getOpcode() == ARM::VMVNv4i32) && \"All instructions that want to replicate non-zero word \" \"always must be replaced with V{MOV,MVN}v{2,4}i32.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3408, __PRETTY_FUNCTION__)) | ||||||||
3407 | "All instructions that want to replicate non-zero word "(((Inst.getOpcode() == ARM::VMOVv2i32 || Inst.getOpcode() == ARM ::VMOVv4i32 || Inst.getOpcode() == ARM::VMVNv2i32 || Inst.getOpcode () == ARM::VMVNv4i32) && "All instructions that want to replicate non-zero word " "always must be replaced with V{MOV,MVN}v{2,4}i32.") ? static_cast <void> (0) : __assert_fail ("(Inst.getOpcode() == ARM::VMOVv2i32 || Inst.getOpcode() == ARM::VMOVv4i32 || Inst.getOpcode() == ARM::VMVNv2i32 || Inst.getOpcode() == ARM::VMVNv4i32) && \"All instructions that want to replicate non-zero word \" \"always must be replaced with V{MOV,MVN}v{2,4}i32.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3408, __PRETTY_FUNCTION__)) | ||||||||
3408 | "always must be replaced with V{MOV,MVN}v{2,4}i32.")(((Inst.getOpcode() == ARM::VMOVv2i32 || Inst.getOpcode() == ARM ::VMOVv4i32 || Inst.getOpcode() == ARM::VMVNv2i32 || Inst.getOpcode () == ARM::VMVNv4i32) && "All instructions that want to replicate non-zero word " "always must be replaced with V{MOV,MVN}v{2,4}i32.") ? static_cast <void> (0) : __assert_fail ("(Inst.getOpcode() == ARM::VMOVv2i32 || Inst.getOpcode() == ARM::VMOVv4i32 || Inst.getOpcode() == ARM::VMVNv2i32 || Inst.getOpcode() == ARM::VMVNv4i32) && \"All instructions that want to replicate non-zero word \" \"always must be replaced with V{MOV,MVN}v{2,4}i32.\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3408, __PRETTY_FUNCTION__)); | ||||||||
3409 | uint64_t Value = CE->getValue(); | ||||||||
3410 | unsigned Elem = encodeNeonVMOVImmediate(Value & 0xffffffff); | ||||||||
3411 | Inst.addOperand(MCOperand::createImm(Elem)); | ||||||||
3412 | } | ||||||||
3413 | |||||||||
3414 | void addNEONi64splatOperands(MCInst &Inst, unsigned N) const { | ||||||||
3415 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3415, __PRETTY_FUNCTION__)); | ||||||||
3416 | // The immediate encodes the type of constant as well as the value. | ||||||||
3417 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
3418 | uint64_t Value = CE->getValue(); | ||||||||
3419 | unsigned Imm = 0; | ||||||||
3420 | for (unsigned i = 0; i < 8; ++i, Value >>= 8) { | ||||||||
3421 | Imm |= (Value & 1) << i; | ||||||||
3422 | } | ||||||||
3423 | Inst.addOperand(MCOperand::createImm(Imm | 0x1e00)); | ||||||||
3424 | } | ||||||||
3425 | |||||||||
3426 | void addComplexRotationEvenOperands(MCInst &Inst, unsigned N) const { | ||||||||
3427 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3427, __PRETTY_FUNCTION__)); | ||||||||
3428 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
3429 | Inst.addOperand(MCOperand::createImm(CE->getValue() / 90)); | ||||||||
3430 | } | ||||||||
3431 | |||||||||
3432 | void addComplexRotationOddOperands(MCInst &Inst, unsigned N) const { | ||||||||
3433 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3433, __PRETTY_FUNCTION__)); | ||||||||
3434 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
3435 | Inst.addOperand(MCOperand::createImm((CE->getValue() - 90) / 180)); | ||||||||
3436 | } | ||||||||
3437 | |||||||||
3438 | void addMveSaturateOperands(MCInst &Inst, unsigned N) const { | ||||||||
3439 | assert(N == 1 && "Invalid number of operands!")((N == 1 && "Invalid number of operands!") ? static_cast <void> (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3439, __PRETTY_FUNCTION__)); | ||||||||
3440 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | ||||||||
3441 | unsigned Imm = CE->getValue(); | ||||||||
3442 | assert((Imm == 48 || Imm == 64) && "Invalid saturate operand")(((Imm == 48 || Imm == 64) && "Invalid saturate operand" ) ? static_cast<void> (0) : __assert_fail ("(Imm == 48 || Imm == 64) && \"Invalid saturate operand\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3442, __PRETTY_FUNCTION__)); | ||||||||
3443 | Inst.addOperand(MCOperand::createImm(Imm == 48 ? 1 : 0)); | ||||||||
3444 | } | ||||||||
3445 | |||||||||
3446 | void print(raw_ostream &OS) const override; | ||||||||
3447 | |||||||||
3448 | static std::unique_ptr<ARMOperand> CreateITMask(unsigned Mask, SMLoc S) { | ||||||||
3449 | auto Op = std::make_unique<ARMOperand>(k_ITCondMask); | ||||||||
3450 | Op->ITMask.Mask = Mask; | ||||||||
3451 | Op->StartLoc = S; | ||||||||
3452 | Op->EndLoc = S; | ||||||||
3453 | return Op; | ||||||||
3454 | } | ||||||||
3455 | |||||||||
3456 | static std::unique_ptr<ARMOperand> CreateCondCode(ARMCC::CondCodes CC, | ||||||||
3457 | SMLoc S) { | ||||||||
3458 | auto Op = std::make_unique<ARMOperand>(k_CondCode); | ||||||||
3459 | Op->CC.Val = CC; | ||||||||
3460 | Op->StartLoc = S; | ||||||||
3461 | Op->EndLoc = S; | ||||||||
3462 | return Op; | ||||||||
3463 | } | ||||||||
3464 | |||||||||
3465 | static std::unique_ptr<ARMOperand> CreateVPTPred(ARMVCC::VPTCodes CC, | ||||||||
3466 | SMLoc S) { | ||||||||
3467 | auto Op = std::make_unique<ARMOperand>(k_VPTPred); | ||||||||
3468 | Op->VCC.Val = CC; | ||||||||
3469 | Op->StartLoc = S; | ||||||||
3470 | Op->EndLoc = S; | ||||||||
3471 | return Op; | ||||||||
3472 | } | ||||||||
3473 | |||||||||
3474 | static std::unique_ptr<ARMOperand> CreateCoprocNum(unsigned CopVal, SMLoc S) { | ||||||||
3475 | auto Op = std::make_unique<ARMOperand>(k_CoprocNum); | ||||||||
3476 | Op->Cop.Val = CopVal; | ||||||||
3477 | Op->StartLoc = S; | ||||||||
3478 | Op->EndLoc = S; | ||||||||
3479 | return Op; | ||||||||
3480 | } | ||||||||
3481 | |||||||||
3482 | static std::unique_ptr<ARMOperand> CreateCoprocReg(unsigned CopVal, SMLoc S) { | ||||||||
3483 | auto Op = std::make_unique<ARMOperand>(k_CoprocReg); | ||||||||
3484 | Op->Cop.Val = CopVal; | ||||||||
3485 | Op->StartLoc = S; | ||||||||
3486 | Op->EndLoc = S; | ||||||||
3487 | return Op; | ||||||||
3488 | } | ||||||||
3489 | |||||||||
3490 | static std::unique_ptr<ARMOperand> CreateCoprocOption(unsigned Val, SMLoc S, | ||||||||
3491 | SMLoc E) { | ||||||||
3492 | auto Op = std::make_unique<ARMOperand>(k_CoprocOption); | ||||||||
3493 | Op->Cop.Val = Val; | ||||||||
3494 | Op->StartLoc = S; | ||||||||
3495 | Op->EndLoc = E; | ||||||||
3496 | return Op; | ||||||||
3497 | } | ||||||||
3498 | |||||||||
3499 | static std::unique_ptr<ARMOperand> CreateCCOut(unsigned RegNum, SMLoc S) { | ||||||||
3500 | auto Op = std::make_unique<ARMOperand>(k_CCOut); | ||||||||
3501 | Op->Reg.RegNum = RegNum; | ||||||||
3502 | Op->StartLoc = S; | ||||||||
3503 | Op->EndLoc = S; | ||||||||
3504 | return Op; | ||||||||
3505 | } | ||||||||
3506 | |||||||||
3507 | static std::unique_ptr<ARMOperand> CreateToken(StringRef Str, SMLoc S) { | ||||||||
3508 | auto Op = std::make_unique<ARMOperand>(k_Token); | ||||||||
3509 | Op->Tok.Data = Str.data(); | ||||||||
3510 | Op->Tok.Length = Str.size(); | ||||||||
3511 | Op->StartLoc = S; | ||||||||
3512 | Op->EndLoc = S; | ||||||||
3513 | return Op; | ||||||||
3514 | } | ||||||||
3515 | |||||||||
3516 | static std::unique_ptr<ARMOperand> CreateReg(unsigned RegNum, SMLoc S, | ||||||||
3517 | SMLoc E) { | ||||||||
3518 | auto Op = std::make_unique<ARMOperand>(k_Register); | ||||||||
3519 | Op->Reg.RegNum = RegNum; | ||||||||
3520 | Op->StartLoc = S; | ||||||||
3521 | Op->EndLoc = E; | ||||||||
3522 | return Op; | ||||||||
3523 | } | ||||||||
3524 | |||||||||
3525 | static std::unique_ptr<ARMOperand> | ||||||||
3526 | CreateShiftedRegister(ARM_AM::ShiftOpc ShTy, unsigned SrcReg, | ||||||||
3527 | unsigned ShiftReg, unsigned ShiftImm, SMLoc S, | ||||||||
3528 | SMLoc E) { | ||||||||
3529 | auto Op = std::make_unique<ARMOperand>(k_ShiftedRegister); | ||||||||
3530 | Op->RegShiftedReg.ShiftTy = ShTy; | ||||||||
3531 | Op->RegShiftedReg.SrcReg = SrcReg; | ||||||||
3532 | Op->RegShiftedReg.ShiftReg = ShiftReg; | ||||||||
3533 | Op->RegShiftedReg.ShiftImm = ShiftImm; | ||||||||
3534 | Op->StartLoc = S; | ||||||||
3535 | Op->EndLoc = E; | ||||||||
3536 | return Op; | ||||||||
3537 | } | ||||||||
3538 | |||||||||
3539 | static std::unique_ptr<ARMOperand> | ||||||||
3540 | CreateShiftedImmediate(ARM_AM::ShiftOpc ShTy, unsigned SrcReg, | ||||||||
3541 | unsigned ShiftImm, SMLoc S, SMLoc E) { | ||||||||
3542 | auto Op = std::make_unique<ARMOperand>(k_ShiftedImmediate); | ||||||||
3543 | Op->RegShiftedImm.ShiftTy = ShTy; | ||||||||
3544 | Op->RegShiftedImm.SrcReg = SrcReg; | ||||||||
3545 | Op->RegShiftedImm.ShiftImm = ShiftImm; | ||||||||
3546 | Op->StartLoc = S; | ||||||||
3547 | Op->EndLoc = E; | ||||||||
3548 | return Op; | ||||||||
3549 | } | ||||||||
3550 | |||||||||
3551 | static std::unique_ptr<ARMOperand> CreateShifterImm(bool isASR, unsigned Imm, | ||||||||
3552 | SMLoc S, SMLoc E) { | ||||||||
3553 | auto Op = std::make_unique<ARMOperand>(k_ShifterImmediate); | ||||||||
3554 | Op->ShifterImm.isASR = isASR; | ||||||||
3555 | Op->ShifterImm.Imm = Imm; | ||||||||
3556 | Op->StartLoc = S; | ||||||||
3557 | Op->EndLoc = E; | ||||||||
3558 | return Op; | ||||||||
3559 | } | ||||||||
3560 | |||||||||
3561 | static std::unique_ptr<ARMOperand> CreateRotImm(unsigned Imm, SMLoc S, | ||||||||
3562 | SMLoc E) { | ||||||||
3563 | auto Op = std::make_unique<ARMOperand>(k_RotateImmediate); | ||||||||
3564 | Op->RotImm.Imm = Imm; | ||||||||
3565 | Op->StartLoc = S; | ||||||||
3566 | Op->EndLoc = E; | ||||||||
3567 | return Op; | ||||||||
3568 | } | ||||||||
3569 | |||||||||
3570 | static std::unique_ptr<ARMOperand> CreateModImm(unsigned Bits, unsigned Rot, | ||||||||
3571 | SMLoc S, SMLoc E) { | ||||||||
3572 | auto Op = std::make_unique<ARMOperand>(k_ModifiedImmediate); | ||||||||
3573 | Op->ModImm.Bits = Bits; | ||||||||
3574 | Op->ModImm.Rot = Rot; | ||||||||
3575 | Op->StartLoc = S; | ||||||||
3576 | Op->EndLoc = E; | ||||||||
3577 | return Op; | ||||||||
3578 | } | ||||||||
3579 | |||||||||
3580 | static std::unique_ptr<ARMOperand> | ||||||||
3581 | CreateConstantPoolImm(const MCExpr *Val, SMLoc S, SMLoc E) { | ||||||||
3582 | auto Op = std::make_unique<ARMOperand>(k_ConstantPoolImmediate); | ||||||||
3583 | Op->Imm.Val = Val; | ||||||||
3584 | Op->StartLoc = S; | ||||||||
3585 | Op->EndLoc = E; | ||||||||
3586 | return Op; | ||||||||
3587 | } | ||||||||
3588 | |||||||||
3589 | static std::unique_ptr<ARMOperand> | ||||||||
3590 | CreateBitfield(unsigned LSB, unsigned Width, SMLoc S, SMLoc E) { | ||||||||
3591 | auto Op = std::make_unique<ARMOperand>(k_BitfieldDescriptor); | ||||||||
3592 | Op->Bitfield.LSB = LSB; | ||||||||
3593 | Op->Bitfield.Width = Width; | ||||||||
3594 | Op->StartLoc = S; | ||||||||
3595 | Op->EndLoc = E; | ||||||||
3596 | return Op; | ||||||||
3597 | } | ||||||||
3598 | |||||||||
3599 | static std::unique_ptr<ARMOperand> | ||||||||
3600 | CreateRegList(SmallVectorImpl<std::pair<unsigned, unsigned>> &Regs, | ||||||||
3601 | SMLoc StartLoc, SMLoc EndLoc) { | ||||||||
3602 | assert(Regs.size() > 0 && "RegList contains no registers?")((Regs.size() > 0 && "RegList contains no registers?" ) ? static_cast<void> (0) : __assert_fail ("Regs.size() > 0 && \"RegList contains no registers?\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3602, __PRETTY_FUNCTION__)); | ||||||||
3603 | KindTy Kind = k_RegisterList; | ||||||||
3604 | |||||||||
3605 | if (ARMMCRegisterClasses[ARM::DPRRegClassID].contains( | ||||||||
3606 | Regs.front().second)) { | ||||||||
3607 | if (Regs.back().second == ARM::VPR) | ||||||||
3608 | Kind = k_FPDRegisterListWithVPR; | ||||||||
3609 | else | ||||||||
3610 | Kind = k_DPRRegisterList; | ||||||||
3611 | } else if (ARMMCRegisterClasses[ARM::SPRRegClassID].contains( | ||||||||
3612 | Regs.front().second)) { | ||||||||
3613 | if (Regs.back().second == ARM::VPR) | ||||||||
3614 | Kind = k_FPSRegisterListWithVPR; | ||||||||
3615 | else | ||||||||
3616 | Kind = k_SPRRegisterList; | ||||||||
3617 | } | ||||||||
3618 | |||||||||
3619 | if (Kind == k_RegisterList && Regs.back().second == ARM::APSR) | ||||||||
3620 | Kind = k_RegisterListWithAPSR; | ||||||||
3621 | |||||||||
3622 | assert(std::is_sorted(Regs.begin(), Regs.end()) &&((std::is_sorted(Regs.begin(), Regs.end()) && "Register list must be sorted by encoding" ) ? static_cast<void> (0) : __assert_fail ("std::is_sorted(Regs.begin(), Regs.end()) && \"Register list must be sorted by encoding\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3623, __PRETTY_FUNCTION__)) | ||||||||
3623 | "Register list must be sorted by encoding")((std::is_sorted(Regs.begin(), Regs.end()) && "Register list must be sorted by encoding" ) ? static_cast<void> (0) : __assert_fail ("std::is_sorted(Regs.begin(), Regs.end()) && \"Register list must be sorted by encoding\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3623, __PRETTY_FUNCTION__)); | ||||||||
3624 | |||||||||
3625 | auto Op = std::make_unique<ARMOperand>(Kind); | ||||||||
3626 | for (const auto &P : Regs) | ||||||||
3627 | Op->Registers.push_back(P.second); | ||||||||
3628 | |||||||||
3629 | Op->StartLoc = StartLoc; | ||||||||
3630 | Op->EndLoc = EndLoc; | ||||||||
3631 | return Op; | ||||||||
3632 | } | ||||||||
3633 | |||||||||
3634 | static std::unique_ptr<ARMOperand> CreateVectorList(unsigned RegNum, | ||||||||
3635 | unsigned Count, | ||||||||
3636 | bool isDoubleSpaced, | ||||||||
3637 | SMLoc S, SMLoc E) { | ||||||||
3638 | auto Op = std::make_unique<ARMOperand>(k_VectorList); | ||||||||
3639 | Op->VectorList.RegNum = RegNum; | ||||||||
3640 | Op->VectorList.Count = Count; | ||||||||
3641 | Op->VectorList.isDoubleSpaced = isDoubleSpaced; | ||||||||
3642 | Op->StartLoc = S; | ||||||||
3643 | Op->EndLoc = E; | ||||||||
3644 | return Op; | ||||||||
3645 | } | ||||||||
3646 | |||||||||
3647 | static std::unique_ptr<ARMOperand> | ||||||||
3648 | CreateVectorListAllLanes(unsigned RegNum, unsigned Count, bool isDoubleSpaced, | ||||||||
3649 | SMLoc S, SMLoc E) { | ||||||||
3650 | auto Op = std::make_unique<ARMOperand>(k_VectorListAllLanes); | ||||||||
3651 | Op->VectorList.RegNum = RegNum; | ||||||||
3652 | Op->VectorList.Count = Count; | ||||||||
3653 | Op->VectorList.isDoubleSpaced = isDoubleSpaced; | ||||||||
3654 | Op->StartLoc = S; | ||||||||
3655 | Op->EndLoc = E; | ||||||||
3656 | return Op; | ||||||||
3657 | } | ||||||||
3658 | |||||||||
3659 | static std::unique_ptr<ARMOperand> | ||||||||
3660 | CreateVectorListIndexed(unsigned RegNum, unsigned Count, unsigned Index, | ||||||||
3661 | bool isDoubleSpaced, SMLoc S, SMLoc E) { | ||||||||
3662 | auto Op = std::make_unique<ARMOperand>(k_VectorListIndexed); | ||||||||
3663 | Op->VectorList.RegNum = RegNum; | ||||||||
3664 | Op->VectorList.Count = Count; | ||||||||
3665 | Op->VectorList.LaneIndex = Index; | ||||||||
3666 | Op->VectorList.isDoubleSpaced = isDoubleSpaced; | ||||||||
3667 | Op->StartLoc = S; | ||||||||
3668 | Op->EndLoc = E; | ||||||||
3669 | return Op; | ||||||||
3670 | } | ||||||||
3671 | |||||||||
3672 | static std::unique_ptr<ARMOperand> | ||||||||
3673 | CreateVectorIndex(unsigned Idx, SMLoc S, SMLoc E, MCContext &Ctx) { | ||||||||
3674 | auto Op = std::make_unique<ARMOperand>(k_VectorIndex); | ||||||||
3675 | Op->VectorIndex.Val = Idx; | ||||||||
3676 | Op->StartLoc = S; | ||||||||
3677 | Op->EndLoc = E; | ||||||||
3678 | return Op; | ||||||||
3679 | } | ||||||||
3680 | |||||||||
3681 | static std::unique_ptr<ARMOperand> CreateImm(const MCExpr *Val, SMLoc S, | ||||||||
3682 | SMLoc E) { | ||||||||
3683 | auto Op = std::make_unique<ARMOperand>(k_Immediate); | ||||||||
3684 | Op->Imm.Val = Val; | ||||||||
3685 | Op->StartLoc = S; | ||||||||
3686 | Op->EndLoc = E; | ||||||||
3687 | return Op; | ||||||||
3688 | } | ||||||||
3689 | |||||||||
3690 | static std::unique_ptr<ARMOperand> | ||||||||
3691 | CreateMem(unsigned BaseRegNum, const MCConstantExpr *OffsetImm, | ||||||||
3692 | unsigned OffsetRegNum, ARM_AM::ShiftOpc ShiftType, | ||||||||
3693 | unsigned ShiftImm, unsigned Alignment, bool isNegative, SMLoc S, | ||||||||
3694 | SMLoc E, SMLoc AlignmentLoc = SMLoc()) { | ||||||||
3695 | auto Op = std::make_unique<ARMOperand>(k_Memory); | ||||||||
3696 | Op->Memory.BaseRegNum = BaseRegNum; | ||||||||
3697 | Op->Memory.OffsetImm = OffsetImm; | ||||||||
3698 | Op->Memory.OffsetRegNum = OffsetRegNum; | ||||||||
3699 | Op->Memory.ShiftType = ShiftType; | ||||||||
3700 | Op->Memory.ShiftImm = ShiftImm; | ||||||||
3701 | Op->Memory.Alignment = Alignment; | ||||||||
3702 | Op->Memory.isNegative = isNegative; | ||||||||
3703 | Op->StartLoc = S; | ||||||||
3704 | Op->EndLoc = E; | ||||||||
3705 | Op->AlignmentLoc = AlignmentLoc; | ||||||||
3706 | return Op; | ||||||||
3707 | } | ||||||||
3708 | |||||||||
3709 | static std::unique_ptr<ARMOperand> | ||||||||
3710 | CreatePostIdxReg(unsigned RegNum, bool isAdd, ARM_AM::ShiftOpc ShiftTy, | ||||||||
3711 | unsigned ShiftImm, SMLoc S, SMLoc E) { | ||||||||
3712 | auto Op = std::make_unique<ARMOperand>(k_PostIndexRegister); | ||||||||
3713 | Op->PostIdxReg.RegNum = RegNum; | ||||||||
3714 | Op->PostIdxReg.isAdd = isAdd; | ||||||||
3715 | Op->PostIdxReg.ShiftTy = ShiftTy; | ||||||||
3716 | Op->PostIdxReg.ShiftImm = ShiftImm; | ||||||||
3717 | Op->StartLoc = S; | ||||||||
3718 | Op->EndLoc = E; | ||||||||
3719 | return Op; | ||||||||
3720 | } | ||||||||
3721 | |||||||||
3722 | static std::unique_ptr<ARMOperand> CreateMemBarrierOpt(ARM_MB::MemBOpt Opt, | ||||||||
3723 | SMLoc S) { | ||||||||
3724 | auto Op = std::make_unique<ARMOperand>(k_MemBarrierOpt); | ||||||||
3725 | Op->MBOpt.Val = Opt; | ||||||||
3726 | Op->StartLoc = S; | ||||||||
3727 | Op->EndLoc = S; | ||||||||
3728 | return Op; | ||||||||
3729 | } | ||||||||
3730 | |||||||||
3731 | static std::unique_ptr<ARMOperand> | ||||||||
3732 | CreateInstSyncBarrierOpt(ARM_ISB::InstSyncBOpt Opt, SMLoc S) { | ||||||||
3733 | auto Op = std::make_unique<ARMOperand>(k_InstSyncBarrierOpt); | ||||||||
3734 | Op->ISBOpt.Val = Opt; | ||||||||
3735 | Op->StartLoc = S; | ||||||||
3736 | Op->EndLoc = S; | ||||||||
3737 | return Op; | ||||||||
3738 | } | ||||||||
3739 | |||||||||
3740 | static std::unique_ptr<ARMOperand> | ||||||||
3741 | CreateTraceSyncBarrierOpt(ARM_TSB::TraceSyncBOpt Opt, SMLoc S) { | ||||||||
3742 | auto Op = std::make_unique<ARMOperand>(k_TraceSyncBarrierOpt); | ||||||||
3743 | Op->TSBOpt.Val = Opt; | ||||||||
3744 | Op->StartLoc = S; | ||||||||
3745 | Op->EndLoc = S; | ||||||||
3746 | return Op; | ||||||||
3747 | } | ||||||||
3748 | |||||||||
3749 | static std::unique_ptr<ARMOperand> CreateProcIFlags(ARM_PROC::IFlags IFlags, | ||||||||
3750 | SMLoc S) { | ||||||||
3751 | auto Op = std::make_unique<ARMOperand>(k_ProcIFlags); | ||||||||
3752 | Op->IFlags.Val = IFlags; | ||||||||
3753 | Op->StartLoc = S; | ||||||||
3754 | Op->EndLoc = S; | ||||||||
3755 | return Op; | ||||||||
3756 | } | ||||||||
3757 | |||||||||
3758 | static std::unique_ptr<ARMOperand> CreateMSRMask(unsigned MMask, SMLoc S) { | ||||||||
3759 | auto Op = std::make_unique<ARMOperand>(k_MSRMask); | ||||||||
3760 | Op->MMask.Val = MMask; | ||||||||
3761 | Op->StartLoc = S; | ||||||||
3762 | Op->EndLoc = S; | ||||||||
3763 | return Op; | ||||||||
3764 | } | ||||||||
3765 | |||||||||
3766 | static std::unique_ptr<ARMOperand> CreateBankedReg(unsigned Reg, SMLoc S) { | ||||||||
3767 | auto Op = std::make_unique<ARMOperand>(k_BankedReg); | ||||||||
3768 | Op->BankedReg.Val = Reg; | ||||||||
3769 | Op->StartLoc = S; | ||||||||
3770 | Op->EndLoc = S; | ||||||||
3771 | return Op; | ||||||||
3772 | } | ||||||||
3773 | }; | ||||||||
3774 | |||||||||
3775 | } // end anonymous namespace. | ||||||||
3776 | |||||||||
3777 | void ARMOperand::print(raw_ostream &OS) const { | ||||||||
3778 | auto RegName = [](unsigned Reg) { | ||||||||
3779 | if (Reg) | ||||||||
3780 | return ARMInstPrinter::getRegisterName(Reg); | ||||||||
3781 | else | ||||||||
3782 | return "noreg"; | ||||||||
3783 | }; | ||||||||
3784 | |||||||||
3785 | switch (Kind) { | ||||||||
3786 | case k_CondCode: | ||||||||
3787 | OS << "<ARMCC::" << ARMCondCodeToString(getCondCode()) << ">"; | ||||||||
3788 | break; | ||||||||
3789 | case k_VPTPred: | ||||||||
3790 | OS << "<ARMVCC::" << ARMVPTPredToString(getVPTPred()) << ">"; | ||||||||
3791 | break; | ||||||||
3792 | case k_CCOut: | ||||||||
3793 | OS << "<ccout " << RegName(getReg()) << ">"; | ||||||||
3794 | break; | ||||||||
3795 | case k_ITCondMask: { | ||||||||
3796 | static const char *const MaskStr[] = { | ||||||||
3797 | "(invalid)", "(tttt)", "(ttt)", "(ttte)", | ||||||||
3798 | "(tt)", "(ttet)", "(tte)", "(ttee)", | ||||||||
3799 | "(t)", "(tett)", "(tet)", "(tete)", | ||||||||
3800 | "(te)", "(teet)", "(tee)", "(teee)", | ||||||||
3801 | }; | ||||||||
3802 | assert((ITMask.Mask & 0xf) == ITMask.Mask)(((ITMask.Mask & 0xf) == ITMask.Mask) ? static_cast<void > (0) : __assert_fail ("(ITMask.Mask & 0xf) == ITMask.Mask" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 3802, __PRETTY_FUNCTION__)); | ||||||||
3803 | OS << "<it-mask " << MaskStr[ITMask.Mask] << ">"; | ||||||||
3804 | break; | ||||||||
3805 | } | ||||||||
3806 | case k_CoprocNum: | ||||||||
3807 | OS << "<coprocessor number: " << getCoproc() << ">"; | ||||||||
3808 | break; | ||||||||
3809 | case k_CoprocReg: | ||||||||
3810 | OS << "<coprocessor register: " << getCoproc() << ">"; | ||||||||
3811 | break; | ||||||||
3812 | case k_CoprocOption: | ||||||||
3813 | OS << "<coprocessor option: " << CoprocOption.Val << ">"; | ||||||||
3814 | break; | ||||||||
3815 | case k_MSRMask: | ||||||||
3816 | OS << "<mask: " << getMSRMask() << ">"; | ||||||||
3817 | break; | ||||||||
3818 | case k_BankedReg: | ||||||||
3819 | OS << "<banked reg: " << getBankedReg() << ">"; | ||||||||
3820 | break; | ||||||||
3821 | case k_Immediate: | ||||||||
3822 | OS << *getImm(); | ||||||||
3823 | break; | ||||||||
3824 | case k_MemBarrierOpt: | ||||||||
3825 | OS << "<ARM_MB::" << MemBOptToString(getMemBarrierOpt(), false) << ">"; | ||||||||
3826 | break; | ||||||||
3827 | case k_InstSyncBarrierOpt: | ||||||||
3828 | OS << "<ARM_ISB::" << InstSyncBOptToString(getInstSyncBarrierOpt()) << ">"; | ||||||||
3829 | break; | ||||||||
3830 | case k_TraceSyncBarrierOpt: | ||||||||
3831 | OS << "<ARM_TSB::" << TraceSyncBOptToString(getTraceSyncBarrierOpt()) << ">"; | ||||||||
3832 | break; | ||||||||
3833 | case k_Memory: | ||||||||
3834 | OS << "<memory"; | ||||||||
3835 | if (Memory.BaseRegNum) | ||||||||
3836 | OS << " base:" << RegName(Memory.BaseRegNum); | ||||||||
3837 | if (Memory.OffsetImm) | ||||||||
3838 | OS << " offset-imm:" << *Memory.OffsetImm; | ||||||||
3839 | if (Memory.OffsetRegNum) | ||||||||
3840 | OS << " offset-reg:" << (Memory.isNegative ? "-" : "") | ||||||||
3841 | << RegName(Memory.OffsetRegNum); | ||||||||
3842 | if (Memory.ShiftType != ARM_AM::no_shift) { | ||||||||
3843 | OS << " shift-type:" << ARM_AM::getShiftOpcStr(Memory.ShiftType); | ||||||||
3844 | OS << " shift-imm:" << Memory.ShiftImm; | ||||||||
3845 | } | ||||||||
3846 | if (Memory.Alignment) | ||||||||
3847 | OS << " alignment:" << Memory.Alignment; | ||||||||
3848 | OS << ">"; | ||||||||
3849 | break; | ||||||||
3850 | case k_PostIndexRegister: | ||||||||
3851 | OS << "post-idx register " << (PostIdxReg.isAdd ? "" : "-") | ||||||||
3852 | << RegName(PostIdxReg.RegNum); | ||||||||
3853 | if (PostIdxReg.ShiftTy != ARM_AM::no_shift) | ||||||||
3854 | OS << ARM_AM::getShiftOpcStr(PostIdxReg.ShiftTy) << " " | ||||||||
3855 | << PostIdxReg.ShiftImm; | ||||||||
3856 | OS << ">"; | ||||||||
3857 | break; | ||||||||
3858 | case k_ProcIFlags: { | ||||||||
3859 | OS << "<ARM_PROC::"; | ||||||||
3860 | unsigned IFlags = getProcIFlags(); | ||||||||
3861 | for (int i=2; i >= 0; --i) | ||||||||
3862 | if (IFlags & (1 << i)) | ||||||||
3863 | OS << ARM_PROC::IFlagsToString(1 << i); | ||||||||
3864 | OS << ">"; | ||||||||
3865 | break; | ||||||||
3866 | } | ||||||||
3867 | case k_Register: | ||||||||
3868 | OS << "<register " << RegName(getReg()) << ">"; | ||||||||
3869 | break; | ||||||||
3870 | case k_ShifterImmediate: | ||||||||
3871 | OS << "<shift " << (ShifterImm.isASR ? "asr" : "lsl") | ||||||||
3872 | << " #" << ShifterImm.Imm << ">"; | ||||||||
3873 | break; | ||||||||
3874 | case k_ShiftedRegister: | ||||||||
3875 | OS << "<so_reg_reg " << RegName(RegShiftedReg.SrcReg) << " " | ||||||||
3876 | << ARM_AM::getShiftOpcStr(RegShiftedReg.ShiftTy) << " " | ||||||||
3877 | << RegName(RegShiftedReg.ShiftReg) << ">"; | ||||||||
3878 | break; | ||||||||
3879 | case k_ShiftedImmediate: | ||||||||
3880 | OS << "<so_reg_imm " << RegName(RegShiftedImm.SrcReg) << " " | ||||||||
3881 | << ARM_AM::getShiftOpcStr(RegShiftedImm.ShiftTy) << " #" | ||||||||
3882 | << RegShiftedImm.ShiftImm << ">"; | ||||||||
3883 | break; | ||||||||
3884 | case k_RotateImmediate: | ||||||||
3885 | OS << "<ror " << " #" << (RotImm.Imm * 8) << ">"; | ||||||||
3886 | break; | ||||||||
3887 | case k_ModifiedImmediate: | ||||||||
3888 | OS << "<mod_imm #" << ModImm.Bits << ", #" | ||||||||
3889 | << ModImm.Rot << ")>"; | ||||||||
3890 | break; | ||||||||
3891 | case k_ConstantPoolImmediate: | ||||||||
3892 | OS << "<constant_pool_imm #" << *getConstantPoolImm(); | ||||||||
3893 | break; | ||||||||
3894 | case k_BitfieldDescriptor: | ||||||||
3895 | OS << "<bitfield " << "lsb: " << Bitfield.LSB | ||||||||
3896 | << ", width: " << Bitfield.Width << ">"; | ||||||||
3897 | break; | ||||||||
3898 | case k_RegisterList: | ||||||||
3899 | case k_RegisterListWithAPSR: | ||||||||
3900 | case k_DPRRegisterList: | ||||||||
3901 | case k_SPRRegisterList: | ||||||||
3902 | case k_FPSRegisterListWithVPR: | ||||||||
3903 | case k_FPDRegisterListWithVPR: { | ||||||||
3904 | OS << "<register_list "; | ||||||||
3905 | |||||||||
3906 | const SmallVectorImpl<unsigned> &RegList = getRegList(); | ||||||||
3907 | for (SmallVectorImpl<unsigned>::const_iterator | ||||||||
3908 | I = RegList.begin(), E = RegList.end(); I != E; ) { | ||||||||
3909 | OS << RegName(*I); | ||||||||
3910 | if (++I < E) OS << ", "; | ||||||||
3911 | } | ||||||||
3912 | |||||||||
3913 | OS << ">"; | ||||||||
3914 | break; | ||||||||
3915 | } | ||||||||
3916 | case k_VectorList: | ||||||||
3917 | OS << "<vector_list " << VectorList.Count << " * " | ||||||||
3918 | << RegName(VectorList.RegNum) << ">"; | ||||||||
3919 | break; | ||||||||
3920 | case k_VectorListAllLanes: | ||||||||
3921 | OS << "<vector_list(all lanes) " << VectorList.Count << " * " | ||||||||
3922 | << RegName(VectorList.RegNum) << ">"; | ||||||||
3923 | break; | ||||||||
3924 | case k_VectorListIndexed: | ||||||||
3925 | OS << "<vector_list(lane " << VectorList.LaneIndex << ") " | ||||||||
3926 | << VectorList.Count << " * " << RegName(VectorList.RegNum) << ">"; | ||||||||
3927 | break; | ||||||||
3928 | case k_Token: | ||||||||
3929 | OS << "'" << getToken() << "'"; | ||||||||
3930 | break; | ||||||||
3931 | case k_VectorIndex: | ||||||||
3932 | OS << "<vectorindex " << getVectorIndex() << ">"; | ||||||||
3933 | break; | ||||||||
3934 | } | ||||||||
3935 | } | ||||||||
3936 | |||||||||
3937 | /// @name Auto-generated Match Functions | ||||||||
3938 | /// { | ||||||||
3939 | |||||||||
3940 | static unsigned MatchRegisterName(StringRef Name); | ||||||||
3941 | |||||||||
3942 | /// } | ||||||||
3943 | |||||||||
3944 | bool ARMAsmParser::ParseRegister(unsigned &RegNo, | ||||||||
3945 | SMLoc &StartLoc, SMLoc &EndLoc) { | ||||||||
3946 | const AsmToken &Tok = getParser().getTok(); | ||||||||
3947 | StartLoc = Tok.getLoc(); | ||||||||
3948 | EndLoc = Tok.getEndLoc(); | ||||||||
3949 | RegNo = tryParseRegister(); | ||||||||
3950 | |||||||||
3951 | return (RegNo == (unsigned)-1); | ||||||||
3952 | } | ||||||||
3953 | |||||||||
3954 | OperandMatchResultTy ARMAsmParser::tryParseRegister(unsigned &RegNo, | ||||||||
3955 | SMLoc &StartLoc, | ||||||||
3956 | SMLoc &EndLoc) { | ||||||||
3957 | if (ParseRegister(RegNo, StartLoc, EndLoc)) | ||||||||
3958 | return MatchOperand_NoMatch; | ||||||||
3959 | return MatchOperand_Success; | ||||||||
3960 | } | ||||||||
3961 | |||||||||
3962 | /// Try to parse a register name. The token must be an Identifier when called, | ||||||||
3963 | /// and if it is a register name the token is eaten and the register number is | ||||||||
3964 | /// returned. Otherwise return -1. | ||||||||
3965 | int ARMAsmParser::tryParseRegister() { | ||||||||
3966 | MCAsmParser &Parser = getParser(); | ||||||||
3967 | const AsmToken &Tok = Parser.getTok(); | ||||||||
3968 | if (Tok.isNot(AsmToken::Identifier)) return -1; | ||||||||
3969 | |||||||||
3970 | std::string lowerCase = Tok.getString().lower(); | ||||||||
3971 | unsigned RegNum = MatchRegisterName(lowerCase); | ||||||||
3972 | if (!RegNum) { | ||||||||
3973 | RegNum = StringSwitch<unsigned>(lowerCase) | ||||||||
3974 | .Case("r13", ARM::SP) | ||||||||
3975 | .Case("r14", ARM::LR) | ||||||||
3976 | .Case("r15", ARM::PC) | ||||||||
3977 | .Case("ip", ARM::R12) | ||||||||
3978 | // Additional register name aliases for 'gas' compatibility. | ||||||||
3979 | .Case("a1", ARM::R0) | ||||||||
3980 | .Case("a2", ARM::R1) | ||||||||
3981 | .Case("a3", ARM::R2) | ||||||||
3982 | .Case("a4", ARM::R3) | ||||||||
3983 | .Case("v1", ARM::R4) | ||||||||
3984 | .Case("v2", ARM::R5) | ||||||||
3985 | .Case("v3", ARM::R6) | ||||||||
3986 | .Case("v4", ARM::R7) | ||||||||
3987 | .Case("v5", ARM::R8) | ||||||||
3988 | .Case("v6", ARM::R9) | ||||||||
3989 | .Case("v7", ARM::R10) | ||||||||
3990 | .Case("v8", ARM::R11) | ||||||||
3991 | .Case("sb", ARM::R9) | ||||||||
3992 | .Case("sl", ARM::R10) | ||||||||
3993 | .Case("fp", ARM::R11) | ||||||||
3994 | .Default(0); | ||||||||
3995 | } | ||||||||
3996 | if (!RegNum) { | ||||||||
3997 | // Check for aliases registered via .req. Canonicalize to lower case. | ||||||||
3998 | // That's more consistent since register names are case insensitive, and | ||||||||
3999 | // it's how the original entry was passed in from MC/MCParser/AsmParser. | ||||||||
4000 | StringMap<unsigned>::const_iterator Entry = RegisterReqs.find(lowerCase); | ||||||||
4001 | // If no match, return failure. | ||||||||
4002 | if (Entry == RegisterReqs.end()) | ||||||||
4003 | return -1; | ||||||||
4004 | Parser.Lex(); // Eat identifier token. | ||||||||
4005 | return Entry->getValue(); | ||||||||
4006 | } | ||||||||
4007 | |||||||||
4008 | // Some FPUs only have 16 D registers, so D16-D31 are invalid | ||||||||
4009 | if (!hasD32() && RegNum >= ARM::D16 && RegNum <= ARM::D31) | ||||||||
4010 | return -1; | ||||||||
4011 | |||||||||
4012 | Parser.Lex(); // Eat identifier token. | ||||||||
4013 | |||||||||
4014 | return RegNum; | ||||||||
4015 | } | ||||||||
4016 | |||||||||
4017 | // Try to parse a shifter (e.g., "lsl <amt>"). On success, return 0. | ||||||||
4018 | // If a recoverable error occurs, return 1. If an irrecoverable error | ||||||||
4019 | // occurs, return -1. An irrecoverable error is one where tokens have been | ||||||||
4020 | // consumed in the process of trying to parse the shifter (i.e., when it is | ||||||||
4021 | // indeed a shifter operand, but malformed). | ||||||||
4022 | int ARMAsmParser::tryParseShiftRegister(OperandVector &Operands) { | ||||||||
4023 | MCAsmParser &Parser = getParser(); | ||||||||
4024 | SMLoc S = Parser.getTok().getLoc(); | ||||||||
4025 | const AsmToken &Tok = Parser.getTok(); | ||||||||
4026 | if (Tok.isNot(AsmToken::Identifier)) | ||||||||
4027 | return -1; | ||||||||
4028 | |||||||||
4029 | std::string lowerCase = Tok.getString().lower(); | ||||||||
4030 | ARM_AM::ShiftOpc ShiftTy = StringSwitch<ARM_AM::ShiftOpc>(lowerCase) | ||||||||
4031 | .Case("asl", ARM_AM::lsl) | ||||||||
4032 | .Case("lsl", ARM_AM::lsl) | ||||||||
4033 | .Case("lsr", ARM_AM::lsr) | ||||||||
4034 | .Case("asr", ARM_AM::asr) | ||||||||
4035 | .Case("ror", ARM_AM::ror) | ||||||||
4036 | .Case("rrx", ARM_AM::rrx) | ||||||||
4037 | .Default(ARM_AM::no_shift); | ||||||||
4038 | |||||||||
4039 | if (ShiftTy == ARM_AM::no_shift) | ||||||||
4040 | return 1; | ||||||||
4041 | |||||||||
4042 | Parser.Lex(); // Eat the operator. | ||||||||
4043 | |||||||||
4044 | // The source register for the shift has already been added to the | ||||||||
4045 | // operand list, so we need to pop it off and combine it into the shifted | ||||||||
4046 | // register operand instead. | ||||||||
4047 | std::unique_ptr<ARMOperand> PrevOp( | ||||||||
4048 | (ARMOperand *)Operands.pop_back_val().release()); | ||||||||
4049 | if (!PrevOp->isReg()) | ||||||||
4050 | return Error(PrevOp->getStartLoc(), "shift must be of a register"); | ||||||||
4051 | int SrcReg = PrevOp->getReg(); | ||||||||
4052 | |||||||||
4053 | SMLoc EndLoc; | ||||||||
4054 | int64_t Imm = 0; | ||||||||
4055 | int ShiftReg = 0; | ||||||||
4056 | if (ShiftTy == ARM_AM::rrx) { | ||||||||
4057 | // RRX Doesn't have an explicit shift amount. The encoder expects | ||||||||
4058 | // the shift register to be the same as the source register. Seems odd, | ||||||||
4059 | // but OK. | ||||||||
4060 | ShiftReg = SrcReg; | ||||||||
4061 | } else { | ||||||||
4062 | // Figure out if this is shifted by a constant or a register (for non-RRX). | ||||||||
4063 | if (Parser.getTok().is(AsmToken::Hash) || | ||||||||
4064 | Parser.getTok().is(AsmToken::Dollar)) { | ||||||||
4065 | Parser.Lex(); // Eat hash. | ||||||||
4066 | SMLoc ImmLoc = Parser.getTok().getLoc(); | ||||||||
4067 | const MCExpr *ShiftExpr = nullptr; | ||||||||
4068 | if (getParser().parseExpression(ShiftExpr, EndLoc)) { | ||||||||
4069 | Error(ImmLoc, "invalid immediate shift value"); | ||||||||
4070 | return -1; | ||||||||
4071 | } | ||||||||
4072 | // The expression must be evaluatable as an immediate. | ||||||||
4073 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(ShiftExpr); | ||||||||
4074 | if (!CE) { | ||||||||
4075 | Error(ImmLoc, "invalid immediate shift value"); | ||||||||
4076 | return -1; | ||||||||
4077 | } | ||||||||
4078 | // Range check the immediate. | ||||||||
4079 | // lsl, ror: 0 <= imm <= 31 | ||||||||
4080 | // lsr, asr: 0 <= imm <= 32 | ||||||||
4081 | Imm = CE->getValue(); | ||||||||
4082 | if (Imm < 0 || | ||||||||
4083 | ((ShiftTy == ARM_AM::lsl || ShiftTy == ARM_AM::ror) && Imm > 31) || | ||||||||
4084 | ((ShiftTy == ARM_AM::lsr || ShiftTy == ARM_AM::asr) && Imm > 32)) { | ||||||||
4085 | Error(ImmLoc, "immediate shift value out of range"); | ||||||||
4086 | return -1; | ||||||||
4087 | } | ||||||||
4088 | // shift by zero is a nop. Always send it through as lsl. | ||||||||
4089 | // ('as' compatibility) | ||||||||
4090 | if (Imm == 0) | ||||||||
4091 | ShiftTy = ARM_AM::lsl; | ||||||||
4092 | } else if (Parser.getTok().is(AsmToken::Identifier)) { | ||||||||
4093 | SMLoc L = Parser.getTok().getLoc(); | ||||||||
4094 | EndLoc = Parser.getTok().getEndLoc(); | ||||||||
4095 | ShiftReg = tryParseRegister(); | ||||||||
4096 | if (ShiftReg == -1) { | ||||||||
4097 | Error(L, "expected immediate or register in shift operand"); | ||||||||
4098 | return -1; | ||||||||
4099 | } | ||||||||
4100 | } else { | ||||||||
4101 | Error(Parser.getTok().getLoc(), | ||||||||
4102 | "expected immediate or register in shift operand"); | ||||||||
4103 | return -1; | ||||||||
4104 | } | ||||||||
4105 | } | ||||||||
4106 | |||||||||
4107 | if (ShiftReg && ShiftTy != ARM_AM::rrx) | ||||||||
4108 | Operands.push_back(ARMOperand::CreateShiftedRegister(ShiftTy, SrcReg, | ||||||||
4109 | ShiftReg, Imm, | ||||||||
4110 | S, EndLoc)); | ||||||||
4111 | else | ||||||||
4112 | Operands.push_back(ARMOperand::CreateShiftedImmediate(ShiftTy, SrcReg, Imm, | ||||||||
4113 | S, EndLoc)); | ||||||||
4114 | |||||||||
4115 | return 0; | ||||||||
4116 | } | ||||||||
4117 | |||||||||
4118 | /// Try to parse a register name. The token must be an Identifier when called. | ||||||||
4119 | /// If it's a register, an AsmOperand is created. Another AsmOperand is created | ||||||||
4120 | /// if there is a "writeback". 'true' if it's not a register. | ||||||||
4121 | /// | ||||||||
4122 | /// TODO this is likely to change to allow different register types and or to | ||||||||
4123 | /// parse for a specific register type. | ||||||||
4124 | bool ARMAsmParser::tryParseRegisterWithWriteBack(OperandVector &Operands) { | ||||||||
4125 | MCAsmParser &Parser = getParser(); | ||||||||
4126 | SMLoc RegStartLoc = Parser.getTok().getLoc(); | ||||||||
4127 | SMLoc RegEndLoc = Parser.getTok().getEndLoc(); | ||||||||
4128 | int RegNo = tryParseRegister(); | ||||||||
4129 | if (RegNo == -1) | ||||||||
4130 | return true; | ||||||||
4131 | |||||||||
4132 | Operands.push_back(ARMOperand::CreateReg(RegNo, RegStartLoc, RegEndLoc)); | ||||||||
4133 | |||||||||
4134 | const AsmToken &ExclaimTok = Parser.getTok(); | ||||||||
4135 | if (ExclaimTok.is(AsmToken::Exclaim)) { | ||||||||
4136 | Operands.push_back(ARMOperand::CreateToken(ExclaimTok.getString(), | ||||||||
4137 | ExclaimTok.getLoc())); | ||||||||
4138 | Parser.Lex(); // Eat exclaim token | ||||||||
4139 | return false; | ||||||||
4140 | } | ||||||||
4141 | |||||||||
4142 | // Also check for an index operand. This is only legal for vector registers, | ||||||||
4143 | // but that'll get caught OK in operand matching, so we don't need to | ||||||||
4144 | // explicitly filter everything else out here. | ||||||||
4145 | if (Parser.getTok().is(AsmToken::LBrac)) { | ||||||||
4146 | SMLoc SIdx = Parser.getTok().getLoc(); | ||||||||
4147 | Parser.Lex(); // Eat left bracket token. | ||||||||
4148 | |||||||||
4149 | const MCExpr *ImmVal; | ||||||||
4150 | if (getParser().parseExpression(ImmVal)) | ||||||||
4151 | return true; | ||||||||
4152 | const MCConstantExpr *MCE = dyn_cast<MCConstantExpr>(ImmVal); | ||||||||
4153 | if (!MCE) | ||||||||
4154 | return TokError("immediate value expected for vector index"); | ||||||||
4155 | |||||||||
4156 | if (Parser.getTok().isNot(AsmToken::RBrac)) | ||||||||
4157 | return Error(Parser.getTok().getLoc(), "']' expected"); | ||||||||
4158 | |||||||||
4159 | SMLoc E = Parser.getTok().getEndLoc(); | ||||||||
4160 | Parser.Lex(); // Eat right bracket token. | ||||||||
4161 | |||||||||
4162 | Operands.push_back(ARMOperand::CreateVectorIndex(MCE->getValue(), | ||||||||
4163 | SIdx, E, | ||||||||
4164 | getContext())); | ||||||||
4165 | } | ||||||||
4166 | |||||||||
4167 | return false; | ||||||||
4168 | } | ||||||||
4169 | |||||||||
4170 | /// MatchCoprocessorOperandName - Try to parse an coprocessor related | ||||||||
4171 | /// instruction with a symbolic operand name. | ||||||||
4172 | /// We accept "crN" syntax for GAS compatibility. | ||||||||
4173 | /// <operand-name> ::= <prefix><number> | ||||||||
4174 | /// If CoprocOp is 'c', then: | ||||||||
4175 | /// <prefix> ::= c | cr | ||||||||
4176 | /// If CoprocOp is 'p', then : | ||||||||
4177 | /// <prefix> ::= p | ||||||||
4178 | /// <number> ::= integer in range [0, 15] | ||||||||
4179 | static int MatchCoprocessorOperandName(StringRef Name, char CoprocOp) { | ||||||||
4180 | // Use the same layout as the tablegen'erated register name matcher. Ugly, | ||||||||
4181 | // but efficient. | ||||||||
4182 | if (Name.size() < 2 || Name[0] != CoprocOp) | ||||||||
4183 | return -1; | ||||||||
4184 | Name = (Name[1] == 'r') ? Name.drop_front(2) : Name.drop_front(); | ||||||||
4185 | |||||||||
4186 | switch (Name.size()) { | ||||||||
4187 | default: return -1; | ||||||||
4188 | case 1: | ||||||||
4189 | switch (Name[0]) { | ||||||||
4190 | default: return -1; | ||||||||
4191 | case '0': return 0; | ||||||||
4192 | case '1': return 1; | ||||||||
4193 | case '2': return 2; | ||||||||
4194 | case '3': return 3; | ||||||||
4195 | case '4': return 4; | ||||||||
4196 | case '5': return 5; | ||||||||
4197 | case '6': return 6; | ||||||||
4198 | case '7': return 7; | ||||||||
4199 | case '8': return 8; | ||||||||
4200 | case '9': return 9; | ||||||||
4201 | } | ||||||||
4202 | case 2: | ||||||||
4203 | if (Name[0] != '1') | ||||||||
4204 | return -1; | ||||||||
4205 | switch (Name[1]) { | ||||||||
4206 | default: return -1; | ||||||||
4207 | // CP10 and CP11 are VFP/NEON and so vector instructions should be used. | ||||||||
4208 | // However, old cores (v5/v6) did use them in that way. | ||||||||
4209 | case '0': return 10; | ||||||||
4210 | case '1': return 11; | ||||||||
4211 | case '2': return 12; | ||||||||
4212 | case '3': return 13; | ||||||||
4213 | case '4': return 14; | ||||||||
4214 | case '5': return 15; | ||||||||
4215 | } | ||||||||
4216 | } | ||||||||
4217 | } | ||||||||
4218 | |||||||||
4219 | /// parseITCondCode - Try to parse a condition code for an IT instruction. | ||||||||
4220 | OperandMatchResultTy | ||||||||
4221 | ARMAsmParser::parseITCondCode(OperandVector &Operands) { | ||||||||
4222 | MCAsmParser &Parser = getParser(); | ||||||||
4223 | SMLoc S = Parser.getTok().getLoc(); | ||||||||
4224 | const AsmToken &Tok = Parser.getTok(); | ||||||||
4225 | if (!Tok.is(AsmToken::Identifier)) | ||||||||
4226 | return MatchOperand_NoMatch; | ||||||||
4227 | unsigned CC = ARMCondCodeFromString(Tok.getString()); | ||||||||
4228 | if (CC == ~0U) | ||||||||
4229 | return MatchOperand_NoMatch; | ||||||||
4230 | Parser.Lex(); // Eat the token. | ||||||||
4231 | |||||||||
4232 | Operands.push_back(ARMOperand::CreateCondCode(ARMCC::CondCodes(CC), S)); | ||||||||
4233 | |||||||||
4234 | return MatchOperand_Success; | ||||||||
4235 | } | ||||||||
4236 | |||||||||
4237 | /// parseCoprocNumOperand - Try to parse an coprocessor number operand. The | ||||||||
4238 | /// token must be an Identifier when called, and if it is a coprocessor | ||||||||
4239 | /// number, the token is eaten and the operand is added to the operand list. | ||||||||
4240 | OperandMatchResultTy | ||||||||
4241 | ARMAsmParser::parseCoprocNumOperand(OperandVector &Operands) { | ||||||||
4242 | MCAsmParser &Parser = getParser(); | ||||||||
4243 | SMLoc S = Parser.getTok().getLoc(); | ||||||||
4244 | const AsmToken &Tok = Parser.getTok(); | ||||||||
4245 | if (Tok.isNot(AsmToken::Identifier)) | ||||||||
4246 | return MatchOperand_NoMatch; | ||||||||
4247 | |||||||||
4248 | int Num = MatchCoprocessorOperandName(Tok.getString().lower(), 'p'); | ||||||||
4249 | if (Num == -1) | ||||||||
4250 | return MatchOperand_NoMatch; | ||||||||
4251 | if (!isValidCoprocessorNumber(Num, getSTI().getFeatureBits())) | ||||||||
4252 | return MatchOperand_NoMatch; | ||||||||
4253 | |||||||||
4254 | Parser.Lex(); // Eat identifier token. | ||||||||
4255 | Operands.push_back(ARMOperand::CreateCoprocNum(Num, S)); | ||||||||
4256 | return MatchOperand_Success; | ||||||||
4257 | } | ||||||||
4258 | |||||||||
4259 | /// parseCoprocRegOperand - Try to parse an coprocessor register operand. The | ||||||||
4260 | /// token must be an Identifier when called, and if it is a coprocessor | ||||||||
4261 | /// number, the token is eaten and the operand is added to the operand list. | ||||||||
4262 | OperandMatchResultTy | ||||||||
4263 | ARMAsmParser::parseCoprocRegOperand(OperandVector &Operands) { | ||||||||
4264 | MCAsmParser &Parser = getParser(); | ||||||||
4265 | SMLoc S = Parser.getTok().getLoc(); | ||||||||
4266 | const AsmToken &Tok = Parser.getTok(); | ||||||||
4267 | if (Tok.isNot(AsmToken::Identifier)) | ||||||||
4268 | return MatchOperand_NoMatch; | ||||||||
4269 | |||||||||
4270 | int Reg = MatchCoprocessorOperandName(Tok.getString().lower(), 'c'); | ||||||||
4271 | if (Reg == -1) | ||||||||
4272 | return MatchOperand_NoMatch; | ||||||||
4273 | |||||||||
4274 | Parser.Lex(); // Eat identifier token. | ||||||||
4275 | Operands.push_back(ARMOperand::CreateCoprocReg(Reg, S)); | ||||||||
4276 | return MatchOperand_Success; | ||||||||
4277 | } | ||||||||
4278 | |||||||||
4279 | /// parseCoprocOptionOperand - Try to parse an coprocessor option operand. | ||||||||
4280 | /// coproc_option : '{' imm0_255 '}' | ||||||||
4281 | OperandMatchResultTy | ||||||||
4282 | ARMAsmParser::parseCoprocOptionOperand(OperandVector &Operands) { | ||||||||
4283 | MCAsmParser &Parser = getParser(); | ||||||||
4284 | SMLoc S = Parser.getTok().getLoc(); | ||||||||
4285 | |||||||||
4286 | // If this isn't a '{', this isn't a coprocessor immediate operand. | ||||||||
4287 | if (Parser.getTok().isNot(AsmToken::LCurly)) | ||||||||
4288 | return MatchOperand_NoMatch; | ||||||||
4289 | Parser.Lex(); // Eat the '{' | ||||||||
4290 | |||||||||
4291 | const MCExpr *Expr; | ||||||||
4292 | SMLoc Loc = Parser.getTok().getLoc(); | ||||||||
4293 | if (getParser().parseExpression(Expr)) { | ||||||||
4294 | Error(Loc, "illegal expression"); | ||||||||
4295 | return MatchOperand_ParseFail; | ||||||||
4296 | } | ||||||||
4297 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Expr); | ||||||||
4298 | if (!CE || CE->getValue() < 0 || CE->getValue() > 255) { | ||||||||
4299 | Error(Loc, "coprocessor option must be an immediate in range [0, 255]"); | ||||||||
4300 | return MatchOperand_ParseFail; | ||||||||
4301 | } | ||||||||
4302 | int Val = CE->getValue(); | ||||||||
4303 | |||||||||
4304 | // Check for and consume the closing '}' | ||||||||
4305 | if (Parser.getTok().isNot(AsmToken::RCurly)) | ||||||||
4306 | return MatchOperand_ParseFail; | ||||||||
4307 | SMLoc E = Parser.getTok().getEndLoc(); | ||||||||
4308 | Parser.Lex(); // Eat the '}' | ||||||||
4309 | |||||||||
4310 | Operands.push_back(ARMOperand::CreateCoprocOption(Val, S, E)); | ||||||||
4311 | return MatchOperand_Success; | ||||||||
4312 | } | ||||||||
4313 | |||||||||
4314 | // For register list parsing, we need to map from raw GPR register numbering | ||||||||
4315 | // to the enumeration values. The enumeration values aren't sorted by | ||||||||
4316 | // register number due to our using "sp", "lr" and "pc" as canonical names. | ||||||||
4317 | static unsigned getNextRegister(unsigned Reg) { | ||||||||
4318 | // If this is a GPR, we need to do it manually, otherwise we can rely | ||||||||
4319 | // on the sort ordering of the enumeration since the other reg-classes | ||||||||
4320 | // are sane. | ||||||||
4321 | if (!ARMMCRegisterClasses[ARM::GPRRegClassID].contains(Reg)) | ||||||||
4322 | return Reg + 1; | ||||||||
4323 | switch(Reg) { | ||||||||
4324 | default: llvm_unreachable("Invalid GPR number!")::llvm::llvm_unreachable_internal("Invalid GPR number!", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 4324); | ||||||||
4325 | case ARM::R0: return ARM::R1; case ARM::R1: return ARM::R2; | ||||||||
4326 | case ARM::R2: return ARM::R3; case ARM::R3: return ARM::R4; | ||||||||
4327 | case ARM::R4: return ARM::R5; case ARM::R5: return ARM::R6; | ||||||||
4328 | case ARM::R6: return ARM::R7; case ARM::R7: return ARM::R8; | ||||||||
4329 | case ARM::R8: return ARM::R9; case ARM::R9: return ARM::R10; | ||||||||
4330 | case ARM::R10: return ARM::R11; case ARM::R11: return ARM::R12; | ||||||||
4331 | case ARM::R12: return ARM::SP; case ARM::SP: return ARM::LR; | ||||||||
4332 | case ARM::LR: return ARM::PC; case ARM::PC: return ARM::R0; | ||||||||
4333 | } | ||||||||
4334 | } | ||||||||
4335 | |||||||||
4336 | // Insert an <Encoding, Register> pair in an ordered vector. Return true on | ||||||||
4337 | // success, or false, if duplicate encoding found. | ||||||||
4338 | static bool | ||||||||
4339 | insertNoDuplicates(SmallVectorImpl<std::pair<unsigned, unsigned>> &Regs, | ||||||||
4340 | unsigned Enc, unsigned Reg) { | ||||||||
4341 | Regs.emplace_back(Enc, Reg); | ||||||||
4342 | for (auto I = Regs.rbegin(), J = I + 1, E = Regs.rend(); J != E; ++I, ++J) { | ||||||||
4343 | if (J->first == Enc) { | ||||||||
4344 | Regs.erase(J.base()); | ||||||||
4345 | return false; | ||||||||
4346 | } | ||||||||
4347 | if (J->first < Enc) | ||||||||
4348 | break; | ||||||||
4349 | std::swap(*I, *J); | ||||||||
4350 | } | ||||||||
4351 | return true; | ||||||||
4352 | } | ||||||||
4353 | |||||||||
4354 | /// Parse a register list. | ||||||||
4355 | bool ARMAsmParser::parseRegisterList(OperandVector &Operands, | ||||||||
4356 | bool EnforceOrder) { | ||||||||
4357 | MCAsmParser &Parser = getParser(); | ||||||||
4358 | if (Parser.getTok().isNot(AsmToken::LCurly)) | ||||||||
4359 | return TokError("Token is not a Left Curly Brace"); | ||||||||
4360 | SMLoc S = Parser.getTok().getLoc(); | ||||||||
4361 | Parser.Lex(); // Eat '{' token. | ||||||||
4362 | SMLoc RegLoc = Parser.getTok().getLoc(); | ||||||||
4363 | |||||||||
4364 | // Check the first register in the list to see what register class | ||||||||
4365 | // this is a list of. | ||||||||
4366 | int Reg = tryParseRegister(); | ||||||||
4367 | if (Reg == -1) | ||||||||
4368 | return Error(RegLoc, "register expected"); | ||||||||
4369 | |||||||||
4370 | // The reglist instructions have at most 16 registers, so reserve | ||||||||
4371 | // space for that many. | ||||||||
4372 | int EReg = 0; | ||||||||
4373 | SmallVector<std::pair<unsigned, unsigned>, 16> Registers; | ||||||||
4374 | |||||||||
4375 | // Allow Q regs and just interpret them as the two D sub-registers. | ||||||||
4376 | if (ARMMCRegisterClasses[ARM::QPRRegClassID].contains(Reg)) { | ||||||||
4377 | Reg = getDRegFromQReg(Reg); | ||||||||
4378 | EReg = MRI->getEncodingValue(Reg); | ||||||||
4379 | Registers.emplace_back(EReg, Reg); | ||||||||
4380 | ++Reg; | ||||||||
4381 | } | ||||||||
4382 | const MCRegisterClass *RC; | ||||||||
4383 | if (ARMMCRegisterClasses[ARM::GPRRegClassID].contains(Reg)) | ||||||||
4384 | RC = &ARMMCRegisterClasses[ARM::GPRRegClassID]; | ||||||||
4385 | else if (ARMMCRegisterClasses[ARM::DPRRegClassID].contains(Reg)) | ||||||||
4386 | RC = &ARMMCRegisterClasses[ARM::DPRRegClassID]; | ||||||||
4387 | else if (ARMMCRegisterClasses[ARM::SPRRegClassID].contains(Reg)) | ||||||||
4388 | RC = &ARMMCRegisterClasses[ARM::SPRRegClassID]; | ||||||||
4389 | else if (ARMMCRegisterClasses[ARM::GPRwithAPSRnospRegClassID].contains(Reg)) | ||||||||
4390 | RC = &ARMMCRegisterClasses[ARM::GPRwithAPSRnospRegClassID]; | ||||||||
4391 | else | ||||||||
4392 | return Error(RegLoc, "invalid register in register list"); | ||||||||
4393 | |||||||||
4394 | // Store the register. | ||||||||
4395 | EReg = MRI->getEncodingValue(Reg); | ||||||||
4396 | Registers.emplace_back(EReg, Reg); | ||||||||
4397 | |||||||||
4398 | // This starts immediately after the first register token in the list, | ||||||||
4399 | // so we can see either a comma or a minus (range separator) as a legal | ||||||||
4400 | // next token. | ||||||||
4401 | while (Parser.getTok().is(AsmToken::Comma) || | ||||||||
4402 | Parser.getTok().is(AsmToken::Minus)) { | ||||||||
4403 | if (Parser.getTok().is(AsmToken::Minus)) { | ||||||||
4404 | Parser.Lex(); // Eat the minus. | ||||||||
4405 | SMLoc AfterMinusLoc = Parser.getTok().getLoc(); | ||||||||
4406 | int EndReg = tryParseRegister(); | ||||||||
4407 | if (EndReg == -1) | ||||||||
4408 | return Error(AfterMinusLoc, "register expected"); | ||||||||
4409 | // Allow Q regs and just interpret them as the two D sub-registers. | ||||||||
4410 | if (ARMMCRegisterClasses[ARM::QPRRegClassID].contains(EndReg)) | ||||||||
4411 | EndReg = getDRegFromQReg(EndReg) + 1; | ||||||||
4412 | // If the register is the same as the start reg, there's nothing | ||||||||
4413 | // more to do. | ||||||||
4414 | if (Reg == EndReg) | ||||||||
4415 | continue; | ||||||||
4416 | // The register must be in the same register class as the first. | ||||||||
4417 | if (!RC->contains(EndReg)) | ||||||||
4418 | return Error(AfterMinusLoc, "invalid register in register list"); | ||||||||
4419 | // Ranges must go from low to high. | ||||||||
4420 | if (MRI->getEncodingValue(Reg) > MRI->getEncodingValue(EndReg)) | ||||||||
4421 | return Error(AfterMinusLoc, "bad range in register list"); | ||||||||
4422 | |||||||||
4423 | // Add all the registers in the range to the register list. | ||||||||
4424 | while (Reg != EndReg) { | ||||||||
4425 | Reg = getNextRegister(Reg); | ||||||||
4426 | EReg = MRI->getEncodingValue(Reg); | ||||||||
4427 | if (!insertNoDuplicates(Registers, EReg, Reg)) { | ||||||||
4428 | Warning(AfterMinusLoc, StringRef("duplicated register (") + | ||||||||
4429 | ARMInstPrinter::getRegisterName(Reg) + | ||||||||
4430 | ") in register list"); | ||||||||
4431 | } | ||||||||
4432 | } | ||||||||
4433 | continue; | ||||||||
4434 | } | ||||||||
4435 | Parser.Lex(); // Eat the comma. | ||||||||
4436 | RegLoc = Parser.getTok().getLoc(); | ||||||||
4437 | int OldReg = Reg; | ||||||||
4438 | const AsmToken RegTok = Parser.getTok(); | ||||||||
4439 | Reg = tryParseRegister(); | ||||||||
4440 | if (Reg == -1) | ||||||||
4441 | return Error(RegLoc, "register expected"); | ||||||||
4442 | // Allow Q regs and just interpret them as the two D sub-registers. | ||||||||
4443 | bool isQReg = false; | ||||||||
4444 | if (ARMMCRegisterClasses[ARM::QPRRegClassID].contains(Reg)) { | ||||||||
4445 | Reg = getDRegFromQReg(Reg); | ||||||||
4446 | isQReg = true; | ||||||||
4447 | } | ||||||||
4448 | if (!RC->contains(Reg) && | ||||||||
4449 | RC->getID() == ARMMCRegisterClasses[ARM::GPRRegClassID].getID() && | ||||||||
4450 | ARMMCRegisterClasses[ARM::GPRwithAPSRnospRegClassID].contains(Reg)) { | ||||||||
4451 | // switch the register classes, as GPRwithAPSRnospRegClassID is a partial | ||||||||
4452 | // subset of GPRRegClassId except it contains APSR as well. | ||||||||
4453 | RC = &ARMMCRegisterClasses[ARM::GPRwithAPSRnospRegClassID]; | ||||||||
4454 | } | ||||||||
4455 | if (Reg == ARM::VPR && | ||||||||
4456 | (RC == &ARMMCRegisterClasses[ARM::SPRRegClassID] || | ||||||||
4457 | RC == &ARMMCRegisterClasses[ARM::DPRRegClassID] || | ||||||||
4458 | RC == &ARMMCRegisterClasses[ARM::FPWithVPRRegClassID])) { | ||||||||
4459 | RC = &ARMMCRegisterClasses[ARM::FPWithVPRRegClassID]; | ||||||||
4460 | EReg = MRI->getEncodingValue(Reg); | ||||||||
4461 | if (!insertNoDuplicates(Registers, EReg, Reg)) { | ||||||||
4462 | Warning(RegLoc, "duplicated register (" + RegTok.getString() + | ||||||||
4463 | ") in register list"); | ||||||||
4464 | } | ||||||||
4465 | continue; | ||||||||
4466 | } | ||||||||
4467 | // The register must be in the same register class as the first. | ||||||||
4468 | if (!RC->contains(Reg)) | ||||||||
4469 | return Error(RegLoc, "invalid register in register list"); | ||||||||
4470 | // In most cases, the list must be monotonically increasing. An | ||||||||
4471 | // exception is CLRM, which is order-independent anyway, so | ||||||||
4472 | // there's no potential for confusion if you write clrm {r2,r1} | ||||||||
4473 | // instead of clrm {r1,r2}. | ||||||||
4474 | if (EnforceOrder && | ||||||||
4475 | MRI->getEncodingValue(Reg) < MRI->getEncodingValue(OldReg)) { | ||||||||
4476 | if (ARMMCRegisterClasses[ARM::GPRRegClassID].contains(Reg)) | ||||||||
4477 | Warning(RegLoc, "register list not in ascending order"); | ||||||||
4478 | else if (!ARMMCRegisterClasses[ARM::GPRwithAPSRnospRegClassID].contains(Reg)) | ||||||||
4479 | return Error(RegLoc, "register list not in ascending order"); | ||||||||
4480 | } | ||||||||
4481 | // VFP register lists must also be contiguous. | ||||||||
4482 | if (RC != &ARMMCRegisterClasses[ARM::GPRRegClassID] && | ||||||||
4483 | RC != &ARMMCRegisterClasses[ARM::GPRwithAPSRnospRegClassID] && | ||||||||
4484 | Reg != OldReg + 1) | ||||||||
4485 | return Error(RegLoc, "non-contiguous register range"); | ||||||||
4486 | EReg = MRI->getEncodingValue(Reg); | ||||||||
4487 | if (!insertNoDuplicates(Registers, EReg, Reg)) { | ||||||||
4488 | Warning(RegLoc, "duplicated register (" + RegTok.getString() + | ||||||||
4489 | ") in register list"); | ||||||||
4490 | } | ||||||||
4491 | if (isQReg) { | ||||||||
4492 | EReg = MRI->getEncodingValue(++Reg); | ||||||||
4493 | Registers.emplace_back(EReg, Reg); | ||||||||
4494 | } | ||||||||
4495 | } | ||||||||
4496 | |||||||||
4497 | if (Parser.getTok().isNot(AsmToken::RCurly)) | ||||||||
4498 | return Error(Parser.getTok().getLoc(), "'}' expected"); | ||||||||
4499 | SMLoc E = Parser.getTok().getEndLoc(); | ||||||||
4500 | Parser.Lex(); // Eat '}' token. | ||||||||
4501 | |||||||||
4502 | // Push the register list operand. | ||||||||
4503 | Operands.push_back(ARMOperand::CreateRegList(Registers, S, E)); | ||||||||
4504 | |||||||||
4505 | // The ARM system instruction variants for LDM/STM have a '^' token here. | ||||||||
4506 | if (Parser.getTok().is(AsmToken::Caret)) { | ||||||||
4507 | Operands.push_back(ARMOperand::CreateToken("^",Parser.getTok().getLoc())); | ||||||||
4508 | Parser.Lex(); // Eat '^' token. | ||||||||
4509 | } | ||||||||
4510 | |||||||||
4511 | return false; | ||||||||
4512 | } | ||||||||
4513 | |||||||||
4514 | // Helper function to parse the lane index for vector lists. | ||||||||
4515 | OperandMatchResultTy ARMAsmParser:: | ||||||||
4516 | parseVectorLane(VectorLaneTy &LaneKind, unsigned &Index, SMLoc &EndLoc) { | ||||||||
4517 | MCAsmParser &Parser = getParser(); | ||||||||
4518 | Index = 0; // Always return a defined index value. | ||||||||
4519 | if (Parser.getTok().is(AsmToken::LBrac)) { | ||||||||
4520 | Parser.Lex(); // Eat the '['. | ||||||||
4521 | if (Parser.getTok().is(AsmToken::RBrac)) { | ||||||||
4522 | // "Dn[]" is the 'all lanes' syntax. | ||||||||
4523 | LaneKind = AllLanes; | ||||||||
4524 | EndLoc = Parser.getTok().getEndLoc(); | ||||||||
4525 | Parser.Lex(); // Eat the ']'. | ||||||||
4526 | return MatchOperand_Success; | ||||||||
4527 | } | ||||||||
4528 | |||||||||
4529 | // There's an optional '#' token here. Normally there wouldn't be, but | ||||||||
4530 | // inline assemble puts one in, and it's friendly to accept that. | ||||||||
4531 | if (Parser.getTok().is(AsmToken::Hash)) | ||||||||
4532 | Parser.Lex(); // Eat '#' or '$'. | ||||||||
4533 | |||||||||
4534 | const MCExpr *LaneIndex; | ||||||||
4535 | SMLoc Loc = Parser.getTok().getLoc(); | ||||||||
4536 | if (getParser().parseExpression(LaneIndex)) { | ||||||||
4537 | Error(Loc, "illegal expression"); | ||||||||
4538 | return MatchOperand_ParseFail; | ||||||||
4539 | } | ||||||||
4540 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(LaneIndex); | ||||||||
4541 | if (!CE) { | ||||||||
4542 | Error(Loc, "lane index must be empty or an integer"); | ||||||||
4543 | return MatchOperand_ParseFail; | ||||||||
4544 | } | ||||||||
4545 | if (Parser.getTok().isNot(AsmToken::RBrac)) { | ||||||||
4546 | Error(Parser.getTok().getLoc(), "']' expected"); | ||||||||
4547 | return MatchOperand_ParseFail; | ||||||||
4548 | } | ||||||||
4549 | EndLoc = Parser.getTok().getEndLoc(); | ||||||||
4550 | Parser.Lex(); // Eat the ']'. | ||||||||
4551 | int64_t Val = CE->getValue(); | ||||||||
4552 | |||||||||
4553 | // FIXME: Make this range check context sensitive for .8, .16, .32. | ||||||||
4554 | if (Val < 0 || Val > 7) { | ||||||||
4555 | Error(Parser.getTok().getLoc(), "lane index out of range"); | ||||||||
4556 | return MatchOperand_ParseFail; | ||||||||
4557 | } | ||||||||
4558 | Index = Val; | ||||||||
4559 | LaneKind = IndexedLane; | ||||||||
4560 | return MatchOperand_Success; | ||||||||
4561 | } | ||||||||
4562 | LaneKind = NoLanes; | ||||||||
4563 | return MatchOperand_Success; | ||||||||
4564 | } | ||||||||
4565 | |||||||||
4566 | // parse a vector register list | ||||||||
4567 | OperandMatchResultTy | ||||||||
4568 | ARMAsmParser::parseVectorList(OperandVector &Operands) { | ||||||||
4569 | MCAsmParser &Parser = getParser(); | ||||||||
4570 | VectorLaneTy LaneKind; | ||||||||
4571 | unsigned LaneIndex; | ||||||||
4572 | SMLoc S = Parser.getTok().getLoc(); | ||||||||
4573 | // As an extension (to match gas), support a plain D register or Q register | ||||||||
4574 | // (without encosing curly braces) as a single or double entry list, | ||||||||
4575 | // respectively. | ||||||||
4576 | if (!hasMVE() && Parser.getTok().is(AsmToken::Identifier)) { | ||||||||
4577 | SMLoc E = Parser.getTok().getEndLoc(); | ||||||||
4578 | int Reg = tryParseRegister(); | ||||||||
4579 | if (Reg == -1) | ||||||||
4580 | return MatchOperand_NoMatch; | ||||||||
4581 | if (ARMMCRegisterClasses[ARM::DPRRegClassID].contains(Reg)) { | ||||||||
4582 | OperandMatchResultTy Res = parseVectorLane(LaneKind, LaneIndex, E); | ||||||||
4583 | if (Res != MatchOperand_Success) | ||||||||
4584 | return Res; | ||||||||
4585 | switch (LaneKind) { | ||||||||
4586 | case NoLanes: | ||||||||
4587 | Operands.push_back(ARMOperand::CreateVectorList(Reg, 1, false, S, E)); | ||||||||
4588 | break; | ||||||||
4589 | case AllLanes: | ||||||||
4590 | Operands.push_back(ARMOperand::CreateVectorListAllLanes(Reg, 1, false, | ||||||||
4591 | S, E)); | ||||||||
4592 | break; | ||||||||
4593 | case IndexedLane: | ||||||||
4594 | Operands.push_back(ARMOperand::CreateVectorListIndexed(Reg, 1, | ||||||||
4595 | LaneIndex, | ||||||||
4596 | false, S, E)); | ||||||||
4597 | break; | ||||||||
4598 | } | ||||||||
4599 | return MatchOperand_Success; | ||||||||
4600 | } | ||||||||
4601 | if (ARMMCRegisterClasses[ARM::QPRRegClassID].contains(Reg)) { | ||||||||
4602 | Reg = getDRegFromQReg(Reg); | ||||||||
4603 | OperandMatchResultTy Res = parseVectorLane(LaneKind, LaneIndex, E); | ||||||||
4604 | if (Res != MatchOperand_Success) | ||||||||
4605 | return Res; | ||||||||
4606 | switch (LaneKind) { | ||||||||
4607 | case NoLanes: | ||||||||
4608 | Reg = MRI->getMatchingSuperReg(Reg, ARM::dsub_0, | ||||||||
4609 | &ARMMCRegisterClasses[ARM::DPairRegClassID]); | ||||||||
4610 | Operands.push_back(ARMOperand::CreateVectorList(Reg, 2, false, S, E)); | ||||||||
4611 | break; | ||||||||
4612 | case AllLanes: | ||||||||
4613 | Reg = MRI->getMatchingSuperReg(Reg, ARM::dsub_0, | ||||||||
4614 | &ARMMCRegisterClasses[ARM::DPairRegClassID]); | ||||||||
4615 | Operands.push_back(ARMOperand::CreateVectorListAllLanes(Reg, 2, false, | ||||||||
4616 | S, E)); | ||||||||
4617 | break; | ||||||||
4618 | case IndexedLane: | ||||||||
4619 | Operands.push_back(ARMOperand::CreateVectorListIndexed(Reg, 2, | ||||||||
4620 | LaneIndex, | ||||||||
4621 | false, S, E)); | ||||||||
4622 | break; | ||||||||
4623 | } | ||||||||
4624 | return MatchOperand_Success; | ||||||||
4625 | } | ||||||||
4626 | Error(S, "vector register expected"); | ||||||||
4627 | return MatchOperand_ParseFail; | ||||||||
4628 | } | ||||||||
4629 | |||||||||
4630 | if (Parser.getTok().isNot(AsmToken::LCurly)) | ||||||||
4631 | return MatchOperand_NoMatch; | ||||||||
4632 | |||||||||
4633 | Parser.Lex(); // Eat '{' token. | ||||||||
4634 | SMLoc RegLoc = Parser.getTok().getLoc(); | ||||||||
4635 | |||||||||
4636 | int Reg = tryParseRegister(); | ||||||||
4637 | if (Reg == -1) { | ||||||||
4638 | Error(RegLoc, "register expected"); | ||||||||
4639 | return MatchOperand_ParseFail; | ||||||||
4640 | } | ||||||||
4641 | unsigned Count = 1; | ||||||||
4642 | int Spacing = 0; | ||||||||
4643 | unsigned FirstReg = Reg; | ||||||||
4644 | |||||||||
4645 | if (hasMVE() && !ARMMCRegisterClasses[ARM::MQPRRegClassID].contains(Reg)) { | ||||||||
4646 | Error(Parser.getTok().getLoc(), "vector register in range Q0-Q7 expected"); | ||||||||
4647 | return MatchOperand_ParseFail; | ||||||||
4648 | } | ||||||||
4649 | // The list is of D registers, but we also allow Q regs and just interpret | ||||||||
4650 | // them as the two D sub-registers. | ||||||||
4651 | else if (!hasMVE() && ARMMCRegisterClasses[ARM::QPRRegClassID].contains(Reg)) { | ||||||||
4652 | FirstReg = Reg = getDRegFromQReg(Reg); | ||||||||
4653 | Spacing = 1; // double-spacing requires explicit D registers, otherwise | ||||||||
4654 | // it's ambiguous with four-register single spaced. | ||||||||
4655 | ++Reg; | ||||||||
4656 | ++Count; | ||||||||
4657 | } | ||||||||
4658 | |||||||||
4659 | SMLoc E; | ||||||||
4660 | if (parseVectorLane(LaneKind, LaneIndex, E) != MatchOperand_Success) | ||||||||
4661 | return MatchOperand_ParseFail; | ||||||||
4662 | |||||||||
4663 | while (Parser.getTok().is(AsmToken::Comma) || | ||||||||
4664 | Parser.getTok().is(AsmToken::Minus)) { | ||||||||
4665 | if (Parser.getTok().is(AsmToken::Minus)) { | ||||||||
4666 | if (!Spacing) | ||||||||
4667 | Spacing = 1; // Register range implies a single spaced list. | ||||||||
4668 | else if (Spacing == 2) { | ||||||||
4669 | Error(Parser.getTok().getLoc(), | ||||||||
4670 | "sequential registers in double spaced list"); | ||||||||
4671 | return MatchOperand_ParseFail; | ||||||||
4672 | } | ||||||||
4673 | Parser.Lex(); // Eat the minus. | ||||||||
4674 | SMLoc AfterMinusLoc = Parser.getTok().getLoc(); | ||||||||
4675 | int EndReg = tryParseRegister(); | ||||||||
4676 | if (EndReg == -1) { | ||||||||
4677 | Error(AfterMinusLoc, "register expected"); | ||||||||
4678 | return MatchOperand_ParseFail; | ||||||||
4679 | } | ||||||||
4680 | // Allow Q regs and just interpret them as the two D sub-registers. | ||||||||
4681 | if (!hasMVE() && ARMMCRegisterClasses[ARM::QPRRegClassID].contains(EndReg)) | ||||||||
4682 | EndReg = getDRegFromQReg(EndReg) + 1; | ||||||||
4683 | // If the register is the same as the start reg, there's nothing | ||||||||
4684 | // more to do. | ||||||||
4685 | if (Reg == EndReg) | ||||||||
4686 | continue; | ||||||||
4687 | // The register must be in the same register class as the first. | ||||||||
4688 | if ((hasMVE() && | ||||||||
4689 | !ARMMCRegisterClasses[ARM::MQPRRegClassID].contains(EndReg)) || | ||||||||
4690 | (!hasMVE() && | ||||||||
4691 | !ARMMCRegisterClasses[ARM::DPRRegClassID].contains(EndReg))) { | ||||||||
4692 | Error(AfterMinusLoc, "invalid register in register list"); | ||||||||
4693 | return MatchOperand_ParseFail; | ||||||||
4694 | } | ||||||||
4695 | // Ranges must go from low to high. | ||||||||
4696 | if (Reg > EndReg) { | ||||||||
4697 | Error(AfterMinusLoc, "bad range in register list"); | ||||||||
4698 | return MatchOperand_ParseFail; | ||||||||
4699 | } | ||||||||
4700 | // Parse the lane specifier if present. | ||||||||
4701 | VectorLaneTy NextLaneKind; | ||||||||
4702 | unsigned NextLaneIndex; | ||||||||
4703 | if (parseVectorLane(NextLaneKind, NextLaneIndex, E) != | ||||||||
4704 | MatchOperand_Success) | ||||||||
4705 | return MatchOperand_ParseFail; | ||||||||
4706 | if (NextLaneKind != LaneKind || LaneIndex != NextLaneIndex) { | ||||||||
4707 | Error(AfterMinusLoc, "mismatched lane index in register list"); | ||||||||
4708 | return MatchOperand_ParseFail; | ||||||||
4709 | } | ||||||||
4710 | |||||||||
4711 | // Add all the registers in the range to the register list. | ||||||||
4712 | Count += EndReg - Reg; | ||||||||
4713 | Reg = EndReg; | ||||||||
4714 | continue; | ||||||||
4715 | } | ||||||||
4716 | Parser.Lex(); // Eat the comma. | ||||||||
4717 | RegLoc = Parser.getTok().getLoc(); | ||||||||
4718 | int OldReg = Reg; | ||||||||
4719 | Reg = tryParseRegister(); | ||||||||
4720 | if (Reg == -1) { | ||||||||
4721 | Error(RegLoc, "register expected"); | ||||||||
4722 | return MatchOperand_ParseFail; | ||||||||
4723 | } | ||||||||
4724 | |||||||||
4725 | if (hasMVE()) { | ||||||||
4726 | if (!ARMMCRegisterClasses[ARM::MQPRRegClassID].contains(Reg)) { | ||||||||
4727 | Error(RegLoc, "vector register in range Q0-Q7 expected"); | ||||||||
4728 | return MatchOperand_ParseFail; | ||||||||
4729 | } | ||||||||
4730 | Spacing = 1; | ||||||||
4731 | } | ||||||||
4732 | // vector register lists must be contiguous. | ||||||||
4733 | // It's OK to use the enumeration values directly here rather, as the | ||||||||
4734 | // VFP register classes have the enum sorted properly. | ||||||||
4735 | // | ||||||||
4736 | // The list is of D registers, but we also allow Q regs and just interpret | ||||||||
4737 | // them as the two D sub-registers. | ||||||||
4738 | else if (ARMMCRegisterClasses[ARM::QPRRegClassID].contains(Reg)) { | ||||||||
4739 | if (!Spacing) | ||||||||
4740 | Spacing = 1; // Register range implies a single spaced list. | ||||||||
4741 | else if (Spacing == 2) { | ||||||||
4742 | Error(RegLoc, | ||||||||
4743 | "invalid register in double-spaced list (must be 'D' register')"); | ||||||||
4744 | return MatchOperand_ParseFail; | ||||||||
4745 | } | ||||||||
4746 | Reg = getDRegFromQReg(Reg); | ||||||||
4747 | if (Reg != OldReg + 1) { | ||||||||
4748 | Error(RegLoc, "non-contiguous register range"); | ||||||||
4749 | return MatchOperand_ParseFail; | ||||||||
4750 | } | ||||||||
4751 | ++Reg; | ||||||||
4752 | Count += 2; | ||||||||
4753 | // Parse the lane specifier if present. | ||||||||
4754 | VectorLaneTy NextLaneKind; | ||||||||
4755 | unsigned NextLaneIndex; | ||||||||
4756 | SMLoc LaneLoc = Parser.getTok().getLoc(); | ||||||||
4757 | if (parseVectorLane(NextLaneKind, NextLaneIndex, E) != | ||||||||
4758 | MatchOperand_Success) | ||||||||
4759 | return MatchOperand_ParseFail; | ||||||||
4760 | if (NextLaneKind != LaneKind || LaneIndex != NextLaneIndex) { | ||||||||
4761 | Error(LaneLoc, "mismatched lane index in register list"); | ||||||||
4762 | return MatchOperand_ParseFail; | ||||||||
4763 | } | ||||||||
4764 | continue; | ||||||||
4765 | } | ||||||||
4766 | // Normal D register. | ||||||||
4767 | // Figure out the register spacing (single or double) of the list if | ||||||||
4768 | // we don't know it already. | ||||||||
4769 | if (!Spacing) | ||||||||
4770 | Spacing = 1 + (Reg == OldReg + 2); | ||||||||
4771 | |||||||||
4772 | // Just check that it's contiguous and keep going. | ||||||||
4773 | if (Reg != OldReg + Spacing) { | ||||||||
4774 | Error(RegLoc, "non-contiguous register range"); | ||||||||
4775 | return MatchOperand_ParseFail; | ||||||||
4776 | } | ||||||||
4777 | ++Count; | ||||||||
4778 | // Parse the lane specifier if present. | ||||||||
4779 | VectorLaneTy NextLaneKind; | ||||||||
4780 | unsigned NextLaneIndex; | ||||||||
4781 | SMLoc EndLoc = Parser.getTok().getLoc(); | ||||||||
4782 | if (parseVectorLane(NextLaneKind, NextLaneIndex, E) != MatchOperand_Success) | ||||||||
4783 | return MatchOperand_ParseFail; | ||||||||
4784 | if (NextLaneKind != LaneKind || LaneIndex != NextLaneIndex) { | ||||||||
4785 | Error(EndLoc, "mismatched lane index in register list"); | ||||||||
4786 | return MatchOperand_ParseFail; | ||||||||
4787 | } | ||||||||
4788 | } | ||||||||
4789 | |||||||||
4790 | if (Parser.getTok().isNot(AsmToken::RCurly)) { | ||||||||
4791 | Error(Parser.getTok().getLoc(), "'}' expected"); | ||||||||
4792 | return MatchOperand_ParseFail; | ||||||||
4793 | } | ||||||||
4794 | E = Parser.getTok().getEndLoc(); | ||||||||
4795 | Parser.Lex(); // Eat '}' token. | ||||||||
4796 | |||||||||
4797 | switch (LaneKind) { | ||||||||
4798 | case NoLanes: | ||||||||
4799 | case AllLanes: { | ||||||||
4800 | // Two-register operands have been converted to the | ||||||||
4801 | // composite register classes. | ||||||||
4802 | if (Count == 2 && !hasMVE()) { | ||||||||
4803 | const MCRegisterClass *RC = (Spacing == 1) ? | ||||||||
4804 | &ARMMCRegisterClasses[ARM::DPairRegClassID] : | ||||||||
4805 | &ARMMCRegisterClasses[ARM::DPairSpcRegClassID]; | ||||||||
4806 | FirstReg = MRI->getMatchingSuperReg(FirstReg, ARM::dsub_0, RC); | ||||||||
4807 | } | ||||||||
4808 | auto Create = (LaneKind == NoLanes ? ARMOperand::CreateVectorList : | ||||||||
4809 | ARMOperand::CreateVectorListAllLanes); | ||||||||
4810 | Operands.push_back(Create(FirstReg, Count, (Spacing == 2), S, E)); | ||||||||
4811 | break; | ||||||||
4812 | } | ||||||||
4813 | case IndexedLane: | ||||||||
4814 | Operands.push_back(ARMOperand::CreateVectorListIndexed(FirstReg, Count, | ||||||||
4815 | LaneIndex, | ||||||||
4816 | (Spacing == 2), | ||||||||
4817 | S, E)); | ||||||||
4818 | break; | ||||||||
4819 | } | ||||||||
4820 | return MatchOperand_Success; | ||||||||
4821 | } | ||||||||
4822 | |||||||||
4823 | /// parseMemBarrierOptOperand - Try to parse DSB/DMB data barrier options. | ||||||||
4824 | OperandMatchResultTy | ||||||||
4825 | ARMAsmParser::parseMemBarrierOptOperand(OperandVector &Operands) { | ||||||||
4826 | MCAsmParser &Parser = getParser(); | ||||||||
4827 | SMLoc S = Parser.getTok().getLoc(); | ||||||||
4828 | const AsmToken &Tok = Parser.getTok(); | ||||||||
4829 | unsigned Opt; | ||||||||
4830 | |||||||||
4831 | if (Tok.is(AsmToken::Identifier)) { | ||||||||
4832 | StringRef OptStr = Tok.getString(); | ||||||||
4833 | |||||||||
4834 | Opt = StringSwitch<unsigned>(OptStr.slice(0, OptStr.size()).lower()) | ||||||||
4835 | .Case("sy", ARM_MB::SY) | ||||||||
4836 | .Case("st", ARM_MB::ST) | ||||||||
4837 | .Case("ld", ARM_MB::LD) | ||||||||
4838 | .Case("sh", ARM_MB::ISH) | ||||||||
4839 | .Case("ish", ARM_MB::ISH) | ||||||||
4840 | .Case("shst", ARM_MB::ISHST) | ||||||||
4841 | .Case("ishst", ARM_MB::ISHST) | ||||||||
4842 | .Case("ishld", ARM_MB::ISHLD) | ||||||||
4843 | .Case("nsh", ARM_MB::NSH) | ||||||||
4844 | .Case("un", ARM_MB::NSH) | ||||||||
4845 | .Case("nshst", ARM_MB::NSHST) | ||||||||
4846 | .Case("nshld", ARM_MB::NSHLD) | ||||||||
4847 | .Case("unst", ARM_MB::NSHST) | ||||||||
4848 | .Case("osh", ARM_MB::OSH) | ||||||||
4849 | .Case("oshst", ARM_MB::OSHST) | ||||||||
4850 | .Case("oshld", ARM_MB::OSHLD) | ||||||||
4851 | .Default(~0U); | ||||||||
4852 | |||||||||
4853 | // ishld, oshld, nshld and ld are only available from ARMv8. | ||||||||
4854 | if (!hasV8Ops() && (Opt == ARM_MB::ISHLD || Opt == ARM_MB::OSHLD || | ||||||||
4855 | Opt == ARM_MB::NSHLD || Opt == ARM_MB::LD)) | ||||||||
4856 | Opt = ~0U; | ||||||||
4857 | |||||||||
4858 | if (Opt == ~0U) | ||||||||
4859 | return MatchOperand_NoMatch; | ||||||||
4860 | |||||||||
4861 | Parser.Lex(); // Eat identifier token. | ||||||||
4862 | } else if (Tok.is(AsmToken::Hash) || | ||||||||
4863 | Tok.is(AsmToken::Dollar) || | ||||||||
4864 | Tok.is(AsmToken::Integer)) { | ||||||||
4865 | if (Parser.getTok().isNot(AsmToken::Integer)) | ||||||||
4866 | Parser.Lex(); // Eat '#' or '$'. | ||||||||
4867 | SMLoc Loc = Parser.getTok().getLoc(); | ||||||||
4868 | |||||||||
4869 | const MCExpr *MemBarrierID; | ||||||||
4870 | if (getParser().parseExpression(MemBarrierID)) { | ||||||||
4871 | Error(Loc, "illegal expression"); | ||||||||
4872 | return MatchOperand_ParseFail; | ||||||||
4873 | } | ||||||||
4874 | |||||||||
4875 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(MemBarrierID); | ||||||||
4876 | if (!CE) { | ||||||||
4877 | Error(Loc, "constant expression expected"); | ||||||||
4878 | return MatchOperand_ParseFail; | ||||||||
4879 | } | ||||||||
4880 | |||||||||
4881 | int Val = CE->getValue(); | ||||||||
4882 | if (Val & ~0xf) { | ||||||||
4883 | Error(Loc, "immediate value out of range"); | ||||||||
4884 | return MatchOperand_ParseFail; | ||||||||
4885 | } | ||||||||
4886 | |||||||||
4887 | Opt = ARM_MB::RESERVED_0 + Val; | ||||||||
4888 | } else | ||||||||
4889 | return MatchOperand_ParseFail; | ||||||||
4890 | |||||||||
4891 | Operands.push_back(ARMOperand::CreateMemBarrierOpt((ARM_MB::MemBOpt)Opt, S)); | ||||||||
4892 | return MatchOperand_Success; | ||||||||
4893 | } | ||||||||
4894 | |||||||||
4895 | OperandMatchResultTy | ||||||||
4896 | ARMAsmParser::parseTraceSyncBarrierOptOperand(OperandVector &Operands) { | ||||||||
4897 | MCAsmParser &Parser = getParser(); | ||||||||
4898 | SMLoc S = Parser.getTok().getLoc(); | ||||||||
4899 | const AsmToken &Tok = Parser.getTok(); | ||||||||
4900 | |||||||||
4901 | if (Tok.isNot(AsmToken::Identifier)) | ||||||||
4902 | return MatchOperand_NoMatch; | ||||||||
4903 | |||||||||
4904 | if (!Tok.getString().equals_lower("csync")) | ||||||||
4905 | return MatchOperand_NoMatch; | ||||||||
4906 | |||||||||
4907 | Parser.Lex(); // Eat identifier token. | ||||||||
4908 | |||||||||
4909 | Operands.push_back(ARMOperand::CreateTraceSyncBarrierOpt(ARM_TSB::CSYNC, S)); | ||||||||
4910 | return MatchOperand_Success; | ||||||||
4911 | } | ||||||||
4912 | |||||||||
4913 | /// parseInstSyncBarrierOptOperand - Try to parse ISB inst sync barrier options. | ||||||||
4914 | OperandMatchResultTy | ||||||||
4915 | ARMAsmParser::parseInstSyncBarrierOptOperand(OperandVector &Operands) { | ||||||||
4916 | MCAsmParser &Parser = getParser(); | ||||||||
4917 | SMLoc S = Parser.getTok().getLoc(); | ||||||||
4918 | const AsmToken &Tok = Parser.getTok(); | ||||||||
4919 | unsigned Opt; | ||||||||
4920 | |||||||||
4921 | if (Tok.is(AsmToken::Identifier)) { | ||||||||
4922 | StringRef OptStr = Tok.getString(); | ||||||||
4923 | |||||||||
4924 | if (OptStr.equals_lower("sy")) | ||||||||
4925 | Opt = ARM_ISB::SY; | ||||||||
4926 | else | ||||||||
4927 | return MatchOperand_NoMatch; | ||||||||
4928 | |||||||||
4929 | Parser.Lex(); // Eat identifier token. | ||||||||
4930 | } else if (Tok.is(AsmToken::Hash) || | ||||||||
4931 | Tok.is(AsmToken::Dollar) || | ||||||||
4932 | Tok.is(AsmToken::Integer)) { | ||||||||
4933 | if (Parser.getTok().isNot(AsmToken::Integer)) | ||||||||
4934 | Parser.Lex(); // Eat '#' or '$'. | ||||||||
4935 | SMLoc Loc = Parser.getTok().getLoc(); | ||||||||
4936 | |||||||||
4937 | const MCExpr *ISBarrierID; | ||||||||
4938 | if (getParser().parseExpression(ISBarrierID)) { | ||||||||
4939 | Error(Loc, "illegal expression"); | ||||||||
4940 | return MatchOperand_ParseFail; | ||||||||
4941 | } | ||||||||
4942 | |||||||||
4943 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(ISBarrierID); | ||||||||
4944 | if (!CE) { | ||||||||
4945 | Error(Loc, "constant expression expected"); | ||||||||
4946 | return MatchOperand_ParseFail; | ||||||||
4947 | } | ||||||||
4948 | |||||||||
4949 | int Val = CE->getValue(); | ||||||||
4950 | if (Val & ~0xf) { | ||||||||
4951 | Error(Loc, "immediate value out of range"); | ||||||||
4952 | return MatchOperand_ParseFail; | ||||||||
4953 | } | ||||||||
4954 | |||||||||
4955 | Opt = ARM_ISB::RESERVED_0 + Val; | ||||||||
4956 | } else | ||||||||
4957 | return MatchOperand_ParseFail; | ||||||||
4958 | |||||||||
4959 | Operands.push_back(ARMOperand::CreateInstSyncBarrierOpt( | ||||||||
4960 | (ARM_ISB::InstSyncBOpt)Opt, S)); | ||||||||
4961 | return MatchOperand_Success; | ||||||||
4962 | } | ||||||||
4963 | |||||||||
4964 | |||||||||
4965 | /// parseProcIFlagsOperand - Try to parse iflags from CPS instruction. | ||||||||
4966 | OperandMatchResultTy | ||||||||
4967 | ARMAsmParser::parseProcIFlagsOperand(OperandVector &Operands) { | ||||||||
4968 | MCAsmParser &Parser = getParser(); | ||||||||
4969 | SMLoc S = Parser.getTok().getLoc(); | ||||||||
4970 | const AsmToken &Tok = Parser.getTok(); | ||||||||
4971 | if (!Tok.is(AsmToken::Identifier)) | ||||||||
4972 | return MatchOperand_NoMatch; | ||||||||
4973 | StringRef IFlagsStr = Tok.getString(); | ||||||||
4974 | |||||||||
4975 | // An iflags string of "none" is interpreted to mean that none of the AIF | ||||||||
4976 | // bits are set. Not a terribly useful instruction, but a valid encoding. | ||||||||
4977 | unsigned IFlags = 0; | ||||||||
4978 | if (IFlagsStr != "none") { | ||||||||
4979 | for (int i = 0, e = IFlagsStr.size(); i != e; ++i) { | ||||||||
4980 | unsigned Flag = StringSwitch<unsigned>(IFlagsStr.substr(i, 1).lower()) | ||||||||
4981 | .Case("a", ARM_PROC::A) | ||||||||
4982 | .Case("i", ARM_PROC::I) | ||||||||
4983 | .Case("f", ARM_PROC::F) | ||||||||
4984 | .Default(~0U); | ||||||||
4985 | |||||||||
4986 | // If some specific iflag is already set, it means that some letter is | ||||||||
4987 | // present more than once, this is not acceptable. | ||||||||
4988 | if (Flag == ~0U || (IFlags & Flag)) | ||||||||
4989 | return MatchOperand_NoMatch; | ||||||||
4990 | |||||||||
4991 | IFlags |= Flag; | ||||||||
4992 | } | ||||||||
4993 | } | ||||||||
4994 | |||||||||
4995 | Parser.Lex(); // Eat identifier token. | ||||||||
4996 | Operands.push_back(ARMOperand::CreateProcIFlags((ARM_PROC::IFlags)IFlags, S)); | ||||||||
4997 | return MatchOperand_Success; | ||||||||
4998 | } | ||||||||
4999 | |||||||||
5000 | /// parseMSRMaskOperand - Try to parse mask flags from MSR instruction. | ||||||||
5001 | OperandMatchResultTy | ||||||||
5002 | ARMAsmParser::parseMSRMaskOperand(OperandVector &Operands) { | ||||||||
5003 | MCAsmParser &Parser = getParser(); | ||||||||
5004 | SMLoc S = Parser.getTok().getLoc(); | ||||||||
5005 | const AsmToken &Tok = Parser.getTok(); | ||||||||
5006 | |||||||||
5007 | if (Tok.is(AsmToken::Integer)) { | ||||||||
5008 | int64_t Val = Tok.getIntVal(); | ||||||||
5009 | if (Val > 255 || Val < 0) { | ||||||||
5010 | return MatchOperand_NoMatch; | ||||||||
5011 | } | ||||||||
5012 | unsigned SYSmvalue = Val & 0xFF; | ||||||||
5013 | Parser.Lex(); | ||||||||
5014 | Operands.push_back(ARMOperand::CreateMSRMask(SYSmvalue, S)); | ||||||||
5015 | return MatchOperand_Success; | ||||||||
5016 | } | ||||||||
5017 | |||||||||
5018 | if (!Tok.is(AsmToken::Identifier)) | ||||||||
5019 | return MatchOperand_NoMatch; | ||||||||
5020 | StringRef Mask = Tok.getString(); | ||||||||
5021 | |||||||||
5022 | if (isMClass()) { | ||||||||
5023 | auto TheReg = ARMSysReg::lookupMClassSysRegByName(Mask.lower()); | ||||||||
5024 | if (!TheReg || !TheReg->hasRequiredFeatures(getSTI().getFeatureBits())) | ||||||||
5025 | return MatchOperand_NoMatch; | ||||||||
5026 | |||||||||
5027 | unsigned SYSmvalue = TheReg->Encoding & 0xFFF; | ||||||||
5028 | |||||||||
5029 | Parser.Lex(); // Eat identifier token. | ||||||||
5030 | Operands.push_back(ARMOperand::CreateMSRMask(SYSmvalue, S)); | ||||||||
5031 | return MatchOperand_Success; | ||||||||
5032 | } | ||||||||
5033 | |||||||||
5034 | // Split spec_reg from flag, example: CPSR_sxf => "CPSR" and "sxf" | ||||||||
5035 | size_t Start = 0, Next = Mask.find('_'); | ||||||||
5036 | StringRef Flags = ""; | ||||||||
5037 | std::string SpecReg = Mask.slice(Start, Next).lower(); | ||||||||
5038 | if (Next != StringRef::npos) | ||||||||
5039 | Flags = Mask.slice(Next+1, Mask.size()); | ||||||||
5040 | |||||||||
5041 | // FlagsVal contains the complete mask: | ||||||||
5042 | // 3-0: Mask | ||||||||
5043 | // 4: Special Reg (cpsr, apsr => 0; spsr => 1) | ||||||||
5044 | unsigned FlagsVal = 0; | ||||||||
5045 | |||||||||
5046 | if (SpecReg == "apsr") { | ||||||||
5047 | FlagsVal = StringSwitch<unsigned>(Flags) | ||||||||
5048 | .Case("nzcvq", 0x8) // same as CPSR_f | ||||||||
5049 | .Case("g", 0x4) // same as CPSR_s | ||||||||
5050 | .Case("nzcvqg", 0xc) // same as CPSR_fs | ||||||||
5051 | .Default(~0U); | ||||||||
5052 | |||||||||
5053 | if (FlagsVal == ~0U) { | ||||||||
5054 | if (!Flags.empty()) | ||||||||
5055 | return MatchOperand_NoMatch; | ||||||||
5056 | else | ||||||||
5057 | FlagsVal = 8; // No flag | ||||||||
5058 | } | ||||||||
5059 | } else if (SpecReg == "cpsr" || SpecReg == "spsr") { | ||||||||
5060 | // cpsr_all is an alias for cpsr_fc, as is plain cpsr. | ||||||||
5061 | if (Flags == "all" || Flags == "") | ||||||||
5062 | Flags = "fc"; | ||||||||
5063 | for (int i = 0, e = Flags.size(); i != e; ++i) { | ||||||||
5064 | unsigned Flag = StringSwitch<unsigned>(Flags.substr(i, 1)) | ||||||||
5065 | .Case("c", 1) | ||||||||
5066 | .Case("x", 2) | ||||||||
5067 | .Case("s", 4) | ||||||||
5068 | .Case("f", 8) | ||||||||
5069 | .Default(~0U); | ||||||||
5070 | |||||||||
5071 | // If some specific flag is already set, it means that some letter is | ||||||||
5072 | // present more than once, this is not acceptable. | ||||||||
5073 | if (Flag == ~0U || (FlagsVal & Flag)) | ||||||||
5074 | return MatchOperand_NoMatch; | ||||||||
5075 | FlagsVal |= Flag; | ||||||||
5076 | } | ||||||||
5077 | } else // No match for special register. | ||||||||
5078 | return MatchOperand_NoMatch; | ||||||||
5079 | |||||||||
5080 | // Special register without flags is NOT equivalent to "fc" flags. | ||||||||
5081 | // NOTE: This is a divergence from gas' behavior. Uncommenting the following | ||||||||
5082 | // two lines would enable gas compatibility at the expense of breaking | ||||||||
5083 | // round-tripping. | ||||||||
5084 | // | ||||||||
5085 | // if (!FlagsVal) | ||||||||
5086 | // FlagsVal = 0x9; | ||||||||
5087 | |||||||||
5088 | // Bit 4: Special Reg (cpsr, apsr => 0; spsr => 1) | ||||||||
5089 | if (SpecReg == "spsr") | ||||||||
5090 | FlagsVal |= 16; | ||||||||
5091 | |||||||||
5092 | Parser.Lex(); // Eat identifier token. | ||||||||
5093 | Operands.push_back(ARMOperand::CreateMSRMask(FlagsVal, S)); | ||||||||
5094 | return MatchOperand_Success; | ||||||||
5095 | } | ||||||||
5096 | |||||||||
5097 | /// parseBankedRegOperand - Try to parse a banked register (e.g. "lr_irq") for | ||||||||
5098 | /// use in the MRS/MSR instructions added to support virtualization. | ||||||||
5099 | OperandMatchResultTy | ||||||||
5100 | ARMAsmParser::parseBankedRegOperand(OperandVector &Operands) { | ||||||||
5101 | MCAsmParser &Parser = getParser(); | ||||||||
5102 | SMLoc S = Parser.getTok().getLoc(); | ||||||||
5103 | const AsmToken &Tok = Parser.getTok(); | ||||||||
5104 | if (!Tok.is(AsmToken::Identifier)) | ||||||||
5105 | return MatchOperand_NoMatch; | ||||||||
5106 | StringRef RegName = Tok.getString(); | ||||||||
5107 | |||||||||
5108 | auto TheReg = ARMBankedReg::lookupBankedRegByName(RegName.lower()); | ||||||||
5109 | if (!TheReg) | ||||||||
5110 | return MatchOperand_NoMatch; | ||||||||
5111 | unsigned Encoding = TheReg->Encoding; | ||||||||
5112 | |||||||||
5113 | Parser.Lex(); // Eat identifier token. | ||||||||
5114 | Operands.push_back(ARMOperand::CreateBankedReg(Encoding, S)); | ||||||||
5115 | return MatchOperand_Success; | ||||||||
5116 | } | ||||||||
5117 | |||||||||
5118 | OperandMatchResultTy | ||||||||
5119 | ARMAsmParser::parsePKHImm(OperandVector &Operands, StringRef Op, int Low, | ||||||||
5120 | int High) { | ||||||||
5121 | MCAsmParser &Parser = getParser(); | ||||||||
5122 | const AsmToken &Tok = Parser.getTok(); | ||||||||
5123 | if (Tok.isNot(AsmToken::Identifier)) { | ||||||||
5124 | Error(Parser.getTok().getLoc(), Op + " operand expected."); | ||||||||
5125 | return MatchOperand_ParseFail; | ||||||||
5126 | } | ||||||||
5127 | StringRef ShiftName = Tok.getString(); | ||||||||
5128 | std::string LowerOp = Op.lower(); | ||||||||
5129 | std::string UpperOp = Op.upper(); | ||||||||
5130 | if (ShiftName != LowerOp && ShiftName != UpperOp) { | ||||||||
5131 | Error(Parser.getTok().getLoc(), Op + " operand expected."); | ||||||||
5132 | return MatchOperand_ParseFail; | ||||||||
5133 | } | ||||||||
5134 | Parser.Lex(); // Eat shift type token. | ||||||||
5135 | |||||||||
5136 | // There must be a '#' and a shift amount. | ||||||||
5137 | if (Parser.getTok().isNot(AsmToken::Hash) && | ||||||||
5138 | Parser.getTok().isNot(AsmToken::Dollar)) { | ||||||||
5139 | Error(Parser.getTok().getLoc(), "'#' expected"); | ||||||||
5140 | return MatchOperand_ParseFail; | ||||||||
5141 | } | ||||||||
5142 | Parser.Lex(); // Eat hash token. | ||||||||
5143 | |||||||||
5144 | const MCExpr *ShiftAmount; | ||||||||
5145 | SMLoc Loc = Parser.getTok().getLoc(); | ||||||||
5146 | SMLoc EndLoc; | ||||||||
5147 | if (getParser().parseExpression(ShiftAmount, EndLoc)) { | ||||||||
5148 | Error(Loc, "illegal expression"); | ||||||||
5149 | return MatchOperand_ParseFail; | ||||||||
5150 | } | ||||||||
5151 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(ShiftAmount); | ||||||||
5152 | if (!CE) { | ||||||||
5153 | Error(Loc, "constant expression expected"); | ||||||||
5154 | return MatchOperand_ParseFail; | ||||||||
5155 | } | ||||||||
5156 | int Val = CE->getValue(); | ||||||||
5157 | if (Val < Low || Val > High) { | ||||||||
5158 | Error(Loc, "immediate value out of range"); | ||||||||
5159 | return MatchOperand_ParseFail; | ||||||||
5160 | } | ||||||||
5161 | |||||||||
5162 | Operands.push_back(ARMOperand::CreateImm(CE, Loc, EndLoc)); | ||||||||
5163 | |||||||||
5164 | return MatchOperand_Success; | ||||||||
5165 | } | ||||||||
5166 | |||||||||
5167 | OperandMatchResultTy | ||||||||
5168 | ARMAsmParser::parseSetEndImm(OperandVector &Operands) { | ||||||||
5169 | MCAsmParser &Parser = getParser(); | ||||||||
5170 | const AsmToken &Tok = Parser.getTok(); | ||||||||
5171 | SMLoc S = Tok.getLoc(); | ||||||||
5172 | if (Tok.isNot(AsmToken::Identifier)) { | ||||||||
5173 | Error(S, "'be' or 'le' operand expected"); | ||||||||
5174 | return MatchOperand_ParseFail; | ||||||||
5175 | } | ||||||||
5176 | int Val = StringSwitch<int>(Tok.getString().lower()) | ||||||||
5177 | .Case("be", 1) | ||||||||
5178 | .Case("le", 0) | ||||||||
5179 | .Default(-1); | ||||||||
5180 | Parser.Lex(); // Eat the token. | ||||||||
5181 | |||||||||
5182 | if (Val == -1) { | ||||||||
5183 | Error(S, "'be' or 'le' operand expected"); | ||||||||
5184 | return MatchOperand_ParseFail; | ||||||||
5185 | } | ||||||||
5186 | Operands.push_back(ARMOperand::CreateImm(MCConstantExpr::create(Val, | ||||||||
5187 | getContext()), | ||||||||
5188 | S, Tok.getEndLoc())); | ||||||||
5189 | return MatchOperand_Success; | ||||||||
5190 | } | ||||||||
5191 | |||||||||
5192 | /// parseShifterImm - Parse the shifter immediate operand for SSAT/USAT | ||||||||
5193 | /// instructions. Legal values are: | ||||||||
5194 | /// lsl #n 'n' in [0,31] | ||||||||
5195 | /// asr #n 'n' in [1,32] | ||||||||
5196 | /// n == 32 encoded as n == 0. | ||||||||
5197 | OperandMatchResultTy | ||||||||
5198 | ARMAsmParser::parseShifterImm(OperandVector &Operands) { | ||||||||
5199 | MCAsmParser &Parser = getParser(); | ||||||||
5200 | const AsmToken &Tok = Parser.getTok(); | ||||||||
5201 | SMLoc S = Tok.getLoc(); | ||||||||
5202 | if (Tok.isNot(AsmToken::Identifier)) { | ||||||||
5203 | Error(S, "shift operator 'asr' or 'lsl' expected"); | ||||||||
5204 | return MatchOperand_ParseFail; | ||||||||
5205 | } | ||||||||
5206 | StringRef ShiftName = Tok.getString(); | ||||||||
5207 | bool isASR; | ||||||||
5208 | if (ShiftName == "lsl" || ShiftName == "LSL") | ||||||||
5209 | isASR = false; | ||||||||
5210 | else if (ShiftName == "asr" || ShiftName == "ASR") | ||||||||
5211 | isASR = true; | ||||||||
5212 | else { | ||||||||
5213 | Error(S, "shift operator 'asr' or 'lsl' expected"); | ||||||||
5214 | return MatchOperand_ParseFail; | ||||||||
5215 | } | ||||||||
5216 | Parser.Lex(); // Eat the operator. | ||||||||
5217 | |||||||||
5218 | // A '#' and a shift amount. | ||||||||
5219 | if (Parser.getTok().isNot(AsmToken::Hash) && | ||||||||
5220 | Parser.getTok().isNot(AsmToken::Dollar)) { | ||||||||
5221 | Error(Parser.getTok().getLoc(), "'#' expected"); | ||||||||
5222 | return MatchOperand_ParseFail; | ||||||||
5223 | } | ||||||||
5224 | Parser.Lex(); // Eat hash token. | ||||||||
5225 | SMLoc ExLoc = Parser.getTok().getLoc(); | ||||||||
5226 | |||||||||
5227 | const MCExpr *ShiftAmount; | ||||||||
5228 | SMLoc EndLoc; | ||||||||
5229 | if (getParser().parseExpression(ShiftAmount, EndLoc)) { | ||||||||
5230 | Error(ExLoc, "malformed shift expression"); | ||||||||
5231 | return MatchOperand_ParseFail; | ||||||||
5232 | } | ||||||||
5233 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(ShiftAmount); | ||||||||
5234 | if (!CE) { | ||||||||
5235 | Error(ExLoc, "shift amount must be an immediate"); | ||||||||
5236 | return MatchOperand_ParseFail; | ||||||||
5237 | } | ||||||||
5238 | |||||||||
5239 | int64_t Val = CE->getValue(); | ||||||||
5240 | if (isASR) { | ||||||||
5241 | // Shift amount must be in [1,32] | ||||||||
5242 | if (Val < 1 || Val > 32) { | ||||||||
5243 | Error(ExLoc, "'asr' shift amount must be in range [1,32]"); | ||||||||
5244 | return MatchOperand_ParseFail; | ||||||||
5245 | } | ||||||||
5246 | // asr #32 encoded as asr #0, but is not allowed in Thumb2 mode. | ||||||||
5247 | if (isThumb() && Val == 32) { | ||||||||
5248 | Error(ExLoc, "'asr #32' shift amount not allowed in Thumb mode"); | ||||||||
5249 | return MatchOperand_ParseFail; | ||||||||
5250 | } | ||||||||
5251 | if (Val == 32) Val = 0; | ||||||||
5252 | } else { | ||||||||
5253 | // Shift amount must be in [1,32] | ||||||||
5254 | if (Val < 0 || Val > 31) { | ||||||||
5255 | Error(ExLoc, "'lsr' shift amount must be in range [0,31]"); | ||||||||
5256 | return MatchOperand_ParseFail; | ||||||||
5257 | } | ||||||||
5258 | } | ||||||||
5259 | |||||||||
5260 | Operands.push_back(ARMOperand::CreateShifterImm(isASR, Val, S, EndLoc)); | ||||||||
5261 | |||||||||
5262 | return MatchOperand_Success; | ||||||||
5263 | } | ||||||||
5264 | |||||||||
5265 | /// parseRotImm - Parse the shifter immediate operand for SXTB/UXTB family | ||||||||
5266 | /// of instructions. Legal values are: | ||||||||
5267 | /// ror #n 'n' in {0, 8, 16, 24} | ||||||||
5268 | OperandMatchResultTy | ||||||||
5269 | ARMAsmParser::parseRotImm(OperandVector &Operands) { | ||||||||
5270 | MCAsmParser &Parser = getParser(); | ||||||||
5271 | const AsmToken &Tok = Parser.getTok(); | ||||||||
5272 | SMLoc S = Tok.getLoc(); | ||||||||
5273 | if (Tok.isNot(AsmToken::Identifier)) | ||||||||
5274 | return MatchOperand_NoMatch; | ||||||||
5275 | StringRef ShiftName = Tok.getString(); | ||||||||
5276 | if (ShiftName != "ror" && ShiftName != "ROR") | ||||||||
5277 | return MatchOperand_NoMatch; | ||||||||
5278 | Parser.Lex(); // Eat the operator. | ||||||||
5279 | |||||||||
5280 | // A '#' and a rotate amount. | ||||||||
5281 | if (Parser.getTok().isNot(AsmToken::Hash) && | ||||||||
5282 | Parser.getTok().isNot(AsmToken::Dollar)) { | ||||||||
5283 | Error(Parser.getTok().getLoc(), "'#' expected"); | ||||||||
5284 | return MatchOperand_ParseFail; | ||||||||
5285 | } | ||||||||
5286 | Parser.Lex(); // Eat hash token. | ||||||||
5287 | SMLoc ExLoc = Parser.getTok().getLoc(); | ||||||||
5288 | |||||||||
5289 | const MCExpr *ShiftAmount; | ||||||||
5290 | SMLoc EndLoc; | ||||||||
5291 | if (getParser().parseExpression(ShiftAmount, EndLoc)) { | ||||||||
5292 | Error(ExLoc, "malformed rotate expression"); | ||||||||
5293 | return MatchOperand_ParseFail; | ||||||||
5294 | } | ||||||||
5295 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(ShiftAmount); | ||||||||
5296 | if (!CE) { | ||||||||
5297 | Error(ExLoc, "rotate amount must be an immediate"); | ||||||||
5298 | return MatchOperand_ParseFail; | ||||||||
5299 | } | ||||||||
5300 | |||||||||
5301 | int64_t Val = CE->getValue(); | ||||||||
5302 | // Shift amount must be in {0, 8, 16, 24} (0 is undocumented extension) | ||||||||
5303 | // normally, zero is represented in asm by omitting the rotate operand | ||||||||
5304 | // entirely. | ||||||||
5305 | if (Val != 8 && Val != 16 && Val != 24 && Val != 0) { | ||||||||
5306 | Error(ExLoc, "'ror' rotate amount must be 8, 16, or 24"); | ||||||||
5307 | return MatchOperand_ParseFail; | ||||||||
5308 | } | ||||||||
5309 | |||||||||
5310 | Operands.push_back(ARMOperand::CreateRotImm(Val, S, EndLoc)); | ||||||||
5311 | |||||||||
5312 | return MatchOperand_Success; | ||||||||
5313 | } | ||||||||
5314 | |||||||||
5315 | OperandMatchResultTy | ||||||||
5316 | ARMAsmParser::parseModImm(OperandVector &Operands) { | ||||||||
5317 | MCAsmParser &Parser = getParser(); | ||||||||
5318 | MCAsmLexer &Lexer = getLexer(); | ||||||||
5319 | int64_t Imm1, Imm2; | ||||||||
5320 | |||||||||
5321 | SMLoc S = Parser.getTok().getLoc(); | ||||||||
5322 | |||||||||
5323 | // 1) A mod_imm operand can appear in the place of a register name: | ||||||||
5324 | // add r0, #mod_imm | ||||||||
5325 | // add r0, r0, #mod_imm | ||||||||
5326 | // to correctly handle the latter, we bail out as soon as we see an | ||||||||
5327 | // identifier. | ||||||||
5328 | // | ||||||||
5329 | // 2) Similarly, we do not want to parse into complex operands: | ||||||||
5330 | // mov r0, #mod_imm | ||||||||
5331 | // mov r0, :lower16:(_foo) | ||||||||
5332 | if (Parser.getTok().is(AsmToken::Identifier) || | ||||||||
5333 | Parser.getTok().is(AsmToken::Colon)) | ||||||||
5334 | return MatchOperand_NoMatch; | ||||||||
5335 | |||||||||
5336 | // Hash (dollar) is optional as per the ARMARM | ||||||||
5337 | if (Parser.getTok().is(AsmToken::Hash) || | ||||||||
5338 | Parser.getTok().is(AsmToken::Dollar)) { | ||||||||
5339 | // Avoid parsing into complex operands (#:) | ||||||||
5340 | if (Lexer.peekTok().is(AsmToken::Colon)) | ||||||||
5341 | return MatchOperand_NoMatch; | ||||||||
5342 | |||||||||
5343 | // Eat the hash (dollar) | ||||||||
5344 | Parser.Lex(); | ||||||||
5345 | } | ||||||||
5346 | |||||||||
5347 | SMLoc Sx1, Ex1; | ||||||||
5348 | Sx1 = Parser.getTok().getLoc(); | ||||||||
5349 | const MCExpr *Imm1Exp; | ||||||||
5350 | if (getParser().parseExpression(Imm1Exp, Ex1)) { | ||||||||
5351 | Error(Sx1, "malformed expression"); | ||||||||
5352 | return MatchOperand_ParseFail; | ||||||||
5353 | } | ||||||||
5354 | |||||||||
5355 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Imm1Exp); | ||||||||
5356 | |||||||||
5357 | if (CE) { | ||||||||
5358 | // Immediate must fit within 32-bits | ||||||||
5359 | Imm1 = CE->getValue(); | ||||||||
5360 | int Enc = ARM_AM::getSOImmVal(Imm1); | ||||||||
5361 | if (Enc != -1 && Parser.getTok().is(AsmToken::EndOfStatement)) { | ||||||||
5362 | // We have a match! | ||||||||
5363 | Operands.push_back(ARMOperand::CreateModImm((Enc & 0xFF), | ||||||||
5364 | (Enc & 0xF00) >> 7, | ||||||||
5365 | Sx1, Ex1)); | ||||||||
5366 | return MatchOperand_Success; | ||||||||
5367 | } | ||||||||
5368 | |||||||||
5369 | // We have parsed an immediate which is not for us, fallback to a plain | ||||||||
5370 | // immediate. This can happen for instruction aliases. For an example, | ||||||||
5371 | // ARMInstrInfo.td defines the alias [mov <-> mvn] which can transform | ||||||||
5372 | // a mov (mvn) with a mod_imm_neg/mod_imm_not operand into the opposite | ||||||||
5373 | // instruction with a mod_imm operand. The alias is defined such that the | ||||||||
5374 | // parser method is shared, that's why we have to do this here. | ||||||||
5375 | if (Parser.getTok().is(AsmToken::EndOfStatement)) { | ||||||||
5376 | Operands.push_back(ARMOperand::CreateImm(Imm1Exp, Sx1, Ex1)); | ||||||||
5377 | return MatchOperand_Success; | ||||||||
5378 | } | ||||||||
5379 | } else { | ||||||||
5380 | // Operands like #(l1 - l2) can only be evaluated at a later stage (via an | ||||||||
5381 | // MCFixup). Fallback to a plain immediate. | ||||||||
5382 | Operands.push_back(ARMOperand::CreateImm(Imm1Exp, Sx1, Ex1)); | ||||||||
5383 | return MatchOperand_Success; | ||||||||
5384 | } | ||||||||
5385 | |||||||||
5386 | // From this point onward, we expect the input to be a (#bits, #rot) pair | ||||||||
5387 | if (Parser.getTok().isNot(AsmToken::Comma)) { | ||||||||
5388 | Error(Sx1, "expected modified immediate operand: #[0, 255], #even[0-30]"); | ||||||||
5389 | return MatchOperand_ParseFail; | ||||||||
5390 | } | ||||||||
5391 | |||||||||
5392 | if (Imm1 & ~0xFF) { | ||||||||
5393 | Error(Sx1, "immediate operand must a number in the range [0, 255]"); | ||||||||
5394 | return MatchOperand_ParseFail; | ||||||||
5395 | } | ||||||||
5396 | |||||||||
5397 | // Eat the comma | ||||||||
5398 | Parser.Lex(); | ||||||||
5399 | |||||||||
5400 | // Repeat for #rot | ||||||||
5401 | SMLoc Sx2, Ex2; | ||||||||
5402 | Sx2 = Parser.getTok().getLoc(); | ||||||||
5403 | |||||||||
5404 | // Eat the optional hash (dollar) | ||||||||
5405 | if (Parser.getTok().is(AsmToken::Hash) || | ||||||||
5406 | Parser.getTok().is(AsmToken::Dollar)) | ||||||||
5407 | Parser.Lex(); | ||||||||
5408 | |||||||||
5409 | const MCExpr *Imm2Exp; | ||||||||
5410 | if (getParser().parseExpression(Imm2Exp, Ex2)) { | ||||||||
5411 | Error(Sx2, "malformed expression"); | ||||||||
5412 | return MatchOperand_ParseFail; | ||||||||
5413 | } | ||||||||
5414 | |||||||||
5415 | CE = dyn_cast<MCConstantExpr>(Imm2Exp); | ||||||||
5416 | |||||||||
5417 | if (CE) { | ||||||||
5418 | Imm2 = CE->getValue(); | ||||||||
5419 | if (!(Imm2 & ~0x1E)) { | ||||||||
5420 | // We have a match! | ||||||||
5421 | Operands.push_back(ARMOperand::CreateModImm(Imm1, Imm2, S, Ex2)); | ||||||||
5422 | return MatchOperand_Success; | ||||||||
5423 | } | ||||||||
5424 | Error(Sx2, "immediate operand must an even number in the range [0, 30]"); | ||||||||
5425 | return MatchOperand_ParseFail; | ||||||||
5426 | } else { | ||||||||
5427 | Error(Sx2, "constant expression expected"); | ||||||||
5428 | return MatchOperand_ParseFail; | ||||||||
5429 | } | ||||||||
5430 | } | ||||||||
5431 | |||||||||
5432 | OperandMatchResultTy | ||||||||
5433 | ARMAsmParser::parseBitfield(OperandVector &Operands) { | ||||||||
5434 | MCAsmParser &Parser = getParser(); | ||||||||
5435 | SMLoc S = Parser.getTok().getLoc(); | ||||||||
5436 | // The bitfield descriptor is really two operands, the LSB and the width. | ||||||||
5437 | if (Parser.getTok().isNot(AsmToken::Hash) && | ||||||||
5438 | Parser.getTok().isNot(AsmToken::Dollar)) { | ||||||||
5439 | Error(Parser.getTok().getLoc(), "'#' expected"); | ||||||||
5440 | return MatchOperand_ParseFail; | ||||||||
5441 | } | ||||||||
5442 | Parser.Lex(); // Eat hash token. | ||||||||
5443 | |||||||||
5444 | const MCExpr *LSBExpr; | ||||||||
5445 | SMLoc E = Parser.getTok().getLoc(); | ||||||||
5446 | if (getParser().parseExpression(LSBExpr)) { | ||||||||
5447 | Error(E, "malformed immediate expression"); | ||||||||
5448 | return MatchOperand_ParseFail; | ||||||||
5449 | } | ||||||||
5450 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(LSBExpr); | ||||||||
5451 | if (!CE) { | ||||||||
5452 | Error(E, "'lsb' operand must be an immediate"); | ||||||||
5453 | return MatchOperand_ParseFail; | ||||||||
5454 | } | ||||||||
5455 | |||||||||
5456 | int64_t LSB = CE->getValue(); | ||||||||
5457 | // The LSB must be in the range [0,31] | ||||||||
5458 | if (LSB < 0 || LSB > 31) { | ||||||||
5459 | Error(E, "'lsb' operand must be in the range [0,31]"); | ||||||||
5460 | return MatchOperand_ParseFail; | ||||||||
5461 | } | ||||||||
5462 | E = Parser.getTok().getLoc(); | ||||||||
5463 | |||||||||
5464 | // Expect another immediate operand. | ||||||||
5465 | if (Parser.getTok().isNot(AsmToken::Comma)) { | ||||||||
5466 | Error(Parser.getTok().getLoc(), "too few operands"); | ||||||||
5467 | return MatchOperand_ParseFail; | ||||||||
5468 | } | ||||||||
5469 | Parser.Lex(); // Eat hash token. | ||||||||
5470 | if (Parser.getTok().isNot(AsmToken::Hash) && | ||||||||
5471 | Parser.getTok().isNot(AsmToken::Dollar)) { | ||||||||
5472 | Error(Parser.getTok().getLoc(), "'#' expected"); | ||||||||
5473 | return MatchOperand_ParseFail; | ||||||||
5474 | } | ||||||||
5475 | Parser.Lex(); // Eat hash token. | ||||||||
5476 | |||||||||
5477 | const MCExpr *WidthExpr; | ||||||||
5478 | SMLoc EndLoc; | ||||||||
5479 | if (getParser().parseExpression(WidthExpr, EndLoc)) { | ||||||||
5480 | Error(E, "malformed immediate expression"); | ||||||||
5481 | return MatchOperand_ParseFail; | ||||||||
5482 | } | ||||||||
5483 | CE = dyn_cast<MCConstantExpr>(WidthExpr); | ||||||||
5484 | if (!CE) { | ||||||||
5485 | Error(E, "'width' operand must be an immediate"); | ||||||||
5486 | return MatchOperand_ParseFail; | ||||||||
5487 | } | ||||||||
5488 | |||||||||
5489 | int64_t Width = CE->getValue(); | ||||||||
5490 | // The LSB must be in the range [1,32-lsb] | ||||||||
5491 | if (Width < 1 || Width > 32 - LSB) { | ||||||||
5492 | Error(E, "'width' operand must be in the range [1,32-lsb]"); | ||||||||
5493 | return MatchOperand_ParseFail; | ||||||||
5494 | } | ||||||||
5495 | |||||||||
5496 | Operands.push_back(ARMOperand::CreateBitfield(LSB, Width, S, EndLoc)); | ||||||||
5497 | |||||||||
5498 | return MatchOperand_Success; | ||||||||
5499 | } | ||||||||
5500 | |||||||||
5501 | OperandMatchResultTy | ||||||||
5502 | ARMAsmParser::parsePostIdxReg(OperandVector &Operands) { | ||||||||
5503 | // Check for a post-index addressing register operand. Specifically: | ||||||||
5504 | // postidx_reg := '+' register {, shift} | ||||||||
5505 | // | '-' register {, shift} | ||||||||
5506 | // | register {, shift} | ||||||||
5507 | |||||||||
5508 | // This method must return MatchOperand_NoMatch without consuming any tokens | ||||||||
5509 | // in the case where there is no match, as other alternatives take other | ||||||||
5510 | // parse methods. | ||||||||
5511 | MCAsmParser &Parser = getParser(); | ||||||||
5512 | AsmToken Tok = Parser.getTok(); | ||||||||
5513 | SMLoc S = Tok.getLoc(); | ||||||||
5514 | bool haveEaten = false; | ||||||||
5515 | bool isAdd = true; | ||||||||
5516 | if (Tok.is(AsmToken::Plus)) { | ||||||||
5517 | Parser.Lex(); // Eat the '+' token. | ||||||||
5518 | haveEaten = true; | ||||||||
5519 | } else if (Tok.is(AsmToken::Minus)) { | ||||||||
5520 | Parser.Lex(); // Eat the '-' token. | ||||||||
5521 | isAdd = false; | ||||||||
5522 | haveEaten = true; | ||||||||
5523 | } | ||||||||
5524 | |||||||||
5525 | SMLoc E = Parser.getTok().getEndLoc(); | ||||||||
5526 | int Reg = tryParseRegister(); | ||||||||
5527 | if (Reg == -1) { | ||||||||
5528 | if (!haveEaten) | ||||||||
5529 | return MatchOperand_NoMatch; | ||||||||
5530 | Error(Parser.getTok().getLoc(), "register expected"); | ||||||||
5531 | return MatchOperand_ParseFail; | ||||||||
5532 | } | ||||||||
5533 | |||||||||
5534 | ARM_AM::ShiftOpc ShiftTy = ARM_AM::no_shift; | ||||||||
5535 | unsigned ShiftImm = 0; | ||||||||
5536 | if (Parser.getTok().is(AsmToken::Comma)) { | ||||||||
5537 | Parser.Lex(); // Eat the ','. | ||||||||
5538 | if (parseMemRegOffsetShift(ShiftTy, ShiftImm)) | ||||||||
5539 | return MatchOperand_ParseFail; | ||||||||
5540 | |||||||||
5541 | // FIXME: Only approximates end...may include intervening whitespace. | ||||||||
5542 | E = Parser.getTok().getLoc(); | ||||||||
5543 | } | ||||||||
5544 | |||||||||
5545 | Operands.push_back(ARMOperand::CreatePostIdxReg(Reg, isAdd, ShiftTy, | ||||||||
5546 | ShiftImm, S, E)); | ||||||||
5547 | |||||||||
5548 | return MatchOperand_Success; | ||||||||
5549 | } | ||||||||
5550 | |||||||||
5551 | OperandMatchResultTy | ||||||||
5552 | ARMAsmParser::parseAM3Offset(OperandVector &Operands) { | ||||||||
5553 | // Check for a post-index addressing register operand. Specifically: | ||||||||
5554 | // am3offset := '+' register | ||||||||
5555 | // | '-' register | ||||||||
5556 | // | register | ||||||||
5557 | // | # imm | ||||||||
5558 | // | # + imm | ||||||||
5559 | // | # - imm | ||||||||
5560 | |||||||||
5561 | // This method must return MatchOperand_NoMatch without consuming any tokens | ||||||||
5562 | // in the case where there is no match, as other alternatives take other | ||||||||
5563 | // parse methods. | ||||||||
5564 | MCAsmParser &Parser = getParser(); | ||||||||
5565 | AsmToken Tok = Parser.getTok(); | ||||||||
5566 | SMLoc S = Tok.getLoc(); | ||||||||
5567 | |||||||||
5568 | // Do immediates first, as we always parse those if we have a '#'. | ||||||||
5569 | if (Parser.getTok().is(AsmToken::Hash) || | ||||||||
5570 | Parser.getTok().is(AsmToken::Dollar)) { | ||||||||
5571 | Parser.Lex(); // Eat '#' or '$'. | ||||||||
5572 | // Explicitly look for a '-', as we need to encode negative zero | ||||||||
5573 | // differently. | ||||||||
5574 | bool isNegative = Parser.getTok().is(AsmToken::Minus); | ||||||||
5575 | const MCExpr *Offset; | ||||||||
5576 | SMLoc E; | ||||||||
5577 | if (getParser().parseExpression(Offset, E)) | ||||||||
5578 | return MatchOperand_ParseFail; | ||||||||
5579 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Offset); | ||||||||
5580 | if (!CE) { | ||||||||
5581 | Error(S, "constant expression expected"); | ||||||||
5582 | return MatchOperand_ParseFail; | ||||||||
5583 | } | ||||||||
5584 | // Negative zero is encoded as the flag value | ||||||||
5585 | // std::numeric_limits<int32_t>::min(). | ||||||||
5586 | int32_t Val = CE->getValue(); | ||||||||
5587 | if (isNegative && Val == 0) | ||||||||
5588 | Val = std::numeric_limits<int32_t>::min(); | ||||||||
5589 | |||||||||
5590 | Operands.push_back( | ||||||||
5591 | ARMOperand::CreateImm(MCConstantExpr::create(Val, getContext()), S, E)); | ||||||||
5592 | |||||||||
5593 | return MatchOperand_Success; | ||||||||
5594 | } | ||||||||
5595 | |||||||||
5596 | bool haveEaten = false; | ||||||||
5597 | bool isAdd = true; | ||||||||
5598 | if (Tok.is(AsmToken::Plus)) { | ||||||||
5599 | Parser.Lex(); // Eat the '+' token. | ||||||||
5600 | haveEaten = true; | ||||||||
5601 | } else if (Tok.is(AsmToken::Minus)) { | ||||||||
5602 | Parser.Lex(); // Eat the '-' token. | ||||||||
5603 | isAdd = false; | ||||||||
5604 | haveEaten = true; | ||||||||
5605 | } | ||||||||
5606 | |||||||||
5607 | Tok = Parser.getTok(); | ||||||||
5608 | int Reg = tryParseRegister(); | ||||||||
5609 | if (Reg == -1) { | ||||||||
5610 | if (!haveEaten) | ||||||||
5611 | return MatchOperand_NoMatch; | ||||||||
5612 | Error(Tok.getLoc(), "register expected"); | ||||||||
5613 | return MatchOperand_ParseFail; | ||||||||
5614 | } | ||||||||
5615 | |||||||||
5616 | Operands.push_back(ARMOperand::CreatePostIdxReg(Reg, isAdd, ARM_AM::no_shift, | ||||||||
5617 | 0, S, Tok.getEndLoc())); | ||||||||
5618 | |||||||||
5619 | return MatchOperand_Success; | ||||||||
5620 | } | ||||||||
5621 | |||||||||
5622 | /// Convert parsed operands to MCInst. Needed here because this instruction | ||||||||
5623 | /// only has two register operands, but multiplication is commutative so | ||||||||
5624 | /// assemblers should accept both "mul rD, rN, rD" and "mul rD, rD, rN". | ||||||||
5625 | void ARMAsmParser::cvtThumbMultiply(MCInst &Inst, | ||||||||
5626 | const OperandVector &Operands) { | ||||||||
5627 | ((ARMOperand &)*Operands[3]).addRegOperands(Inst, 1); | ||||||||
5628 | ((ARMOperand &)*Operands[1]).addCCOutOperands(Inst, 1); | ||||||||
5629 | // If we have a three-operand form, make sure to set Rn to be the operand | ||||||||
5630 | // that isn't the same as Rd. | ||||||||
5631 | unsigned RegOp = 4; | ||||||||
5632 | if (Operands.size() == 6 && | ||||||||
5633 | ((ARMOperand &)*Operands[4]).getReg() == | ||||||||
5634 | ((ARMOperand &)*Operands[3]).getReg()) | ||||||||
5635 | RegOp = 5; | ||||||||
5636 | ((ARMOperand &)*Operands[RegOp]).addRegOperands(Inst, 1); | ||||||||
5637 | Inst.addOperand(Inst.getOperand(0)); | ||||||||
5638 | ((ARMOperand &)*Operands[2]).addCondCodeOperands(Inst, 2); | ||||||||
5639 | } | ||||||||
5640 | |||||||||
5641 | void ARMAsmParser::cvtThumbBranches(MCInst &Inst, | ||||||||
5642 | const OperandVector &Operands) { | ||||||||
5643 | int CondOp = -1, ImmOp = -1; | ||||||||
5644 | switch(Inst.getOpcode()) { | ||||||||
5645 | case ARM::tB: | ||||||||
5646 | case ARM::tBcc: CondOp = 1; ImmOp = 2; break; | ||||||||
5647 | |||||||||
5648 | case ARM::t2B: | ||||||||
5649 | case ARM::t2Bcc: CondOp = 1; ImmOp = 3; break; | ||||||||
5650 | |||||||||
5651 | default: llvm_unreachable("Unexpected instruction in cvtThumbBranches")::llvm::llvm_unreachable_internal("Unexpected instruction in cvtThumbBranches" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 5651); | ||||||||
5652 | } | ||||||||
5653 | // first decide whether or not the branch should be conditional | ||||||||
5654 | // by looking at it's location relative to an IT block | ||||||||
5655 | if(inITBlock()) { | ||||||||
5656 | // inside an IT block we cannot have any conditional branches. any | ||||||||
5657 | // such instructions needs to be converted to unconditional form | ||||||||
5658 | switch(Inst.getOpcode()) { | ||||||||
5659 | case ARM::tBcc: Inst.setOpcode(ARM::tB); break; | ||||||||
5660 | case ARM::t2Bcc: Inst.setOpcode(ARM::t2B); break; | ||||||||
5661 | } | ||||||||
5662 | } else { | ||||||||
5663 | // outside IT blocks we can only have unconditional branches with AL | ||||||||
5664 | // condition code or conditional branches with non-AL condition code | ||||||||
5665 | unsigned Cond = static_cast<ARMOperand &>(*Operands[CondOp]).getCondCode(); | ||||||||
5666 | switch(Inst.getOpcode()) { | ||||||||
5667 | case ARM::tB: | ||||||||
5668 | case ARM::tBcc: | ||||||||
5669 | Inst.setOpcode(Cond == ARMCC::AL ? ARM::tB : ARM::tBcc); | ||||||||
5670 | break; | ||||||||
5671 | case ARM::t2B: | ||||||||
5672 | case ARM::t2Bcc: | ||||||||
5673 | Inst.setOpcode(Cond == ARMCC::AL ? ARM::t2B : ARM::t2Bcc); | ||||||||
5674 | break; | ||||||||
5675 | } | ||||||||
5676 | } | ||||||||
5677 | |||||||||
5678 | // now decide on encoding size based on branch target range | ||||||||
5679 | switch(Inst.getOpcode()) { | ||||||||
5680 | // classify tB as either t2B or t1B based on range of immediate operand | ||||||||
5681 | case ARM::tB: { | ||||||||
5682 | ARMOperand &op = static_cast<ARMOperand &>(*Operands[ImmOp]); | ||||||||
5683 | if (!op.isSignedOffset<11, 1>() && isThumb() && hasV8MBaseline()) | ||||||||
5684 | Inst.setOpcode(ARM::t2B); | ||||||||
5685 | break; | ||||||||
5686 | } | ||||||||
5687 | // classify tBcc as either t2Bcc or t1Bcc based on range of immediate operand | ||||||||
5688 | case ARM::tBcc: { | ||||||||
5689 | ARMOperand &op = static_cast<ARMOperand &>(*Operands[ImmOp]); | ||||||||
5690 | if (!op.isSignedOffset<8, 1>() && isThumb() && hasV8MBaseline()) | ||||||||
5691 | Inst.setOpcode(ARM::t2Bcc); | ||||||||
5692 | break; | ||||||||
5693 | } | ||||||||
5694 | } | ||||||||
5695 | ((ARMOperand &)*Operands[ImmOp]).addImmOperands(Inst, 1); | ||||||||
5696 | ((ARMOperand &)*Operands[CondOp]).addCondCodeOperands(Inst, 2); | ||||||||
5697 | } | ||||||||
5698 | |||||||||
5699 | void ARMAsmParser::cvtMVEVMOVQtoDReg( | ||||||||
5700 | MCInst &Inst, const OperandVector &Operands) { | ||||||||
5701 | |||||||||
5702 | // mnemonic, condition code, Rt, Rt2, Qd, idx, Qd again, idx2 | ||||||||
5703 | assert(Operands.size() == 8)((Operands.size() == 8) ? static_cast<void> (0) : __assert_fail ("Operands.size() == 8", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 5703, __PRETTY_FUNCTION__)); | ||||||||
5704 | |||||||||
5705 | ((ARMOperand &)*Operands[2]).addRegOperands(Inst, 1); // Rt | ||||||||
5706 | ((ARMOperand &)*Operands[3]).addRegOperands(Inst, 1); // Rt2 | ||||||||
5707 | ((ARMOperand &)*Operands[4]).addRegOperands(Inst, 1); // Qd | ||||||||
5708 | ((ARMOperand &)*Operands[5]).addMVEPairVectorIndexOperands(Inst, 1); // idx | ||||||||
5709 | // skip second copy of Qd in Operands[6] | ||||||||
5710 | ((ARMOperand &)*Operands[7]).addMVEPairVectorIndexOperands(Inst, 1); // idx2 | ||||||||
5711 | ((ARMOperand &)*Operands[1]).addCondCodeOperands(Inst, 2); // condition code | ||||||||
5712 | } | ||||||||
5713 | |||||||||
5714 | /// Parse an ARM memory expression, return false if successful else return true | ||||||||
5715 | /// or an error. The first token must be a '[' when called. | ||||||||
5716 | bool ARMAsmParser::parseMemory(OperandVector &Operands) { | ||||||||
5717 | MCAsmParser &Parser = getParser(); | ||||||||
5718 | SMLoc S, E; | ||||||||
5719 | if (Parser.getTok().isNot(AsmToken::LBrac)) | ||||||||
5720 | return TokError("Token is not a Left Bracket"); | ||||||||
5721 | S = Parser.getTok().getLoc(); | ||||||||
5722 | Parser.Lex(); // Eat left bracket token. | ||||||||
5723 | |||||||||
5724 | const AsmToken &BaseRegTok = Parser.getTok(); | ||||||||
5725 | int BaseRegNum = tryParseRegister(); | ||||||||
5726 | if (BaseRegNum == -1) | ||||||||
5727 | return Error(BaseRegTok.getLoc(), "register expected"); | ||||||||
5728 | |||||||||
5729 | // The next token must either be a comma, a colon or a closing bracket. | ||||||||
5730 | const AsmToken &Tok = Parser.getTok(); | ||||||||
5731 | if (!Tok.is(AsmToken::Colon) && !Tok.is(AsmToken::Comma) && | ||||||||
5732 | !Tok.is(AsmToken::RBrac)) | ||||||||
5733 | return Error(Tok.getLoc(), "malformed memory operand"); | ||||||||
5734 | |||||||||
5735 | if (Tok.is(AsmToken::RBrac)) { | ||||||||
5736 | E = Tok.getEndLoc(); | ||||||||
5737 | Parser.Lex(); // Eat right bracket token. | ||||||||
5738 | |||||||||
5739 | Operands.push_back(ARMOperand::CreateMem(BaseRegNum, nullptr, 0, | ||||||||
5740 | ARM_AM::no_shift, 0, 0, false, | ||||||||
5741 | S, E)); | ||||||||
5742 | |||||||||
5743 | // If there's a pre-indexing writeback marker, '!', just add it as a token | ||||||||
5744 | // operand. It's rather odd, but syntactically valid. | ||||||||
5745 | if (Parser.getTok().is(AsmToken::Exclaim)) { | ||||||||
5746 | Operands.push_back(ARMOperand::CreateToken("!",Parser.getTok().getLoc())); | ||||||||
5747 | Parser.Lex(); // Eat the '!'. | ||||||||
5748 | } | ||||||||
5749 | |||||||||
5750 | return false; | ||||||||
5751 | } | ||||||||
5752 | |||||||||
5753 | assert((Tok.is(AsmToken::Colon) || Tok.is(AsmToken::Comma)) &&(((Tok.is(AsmToken::Colon) || Tok.is(AsmToken::Comma)) && "Lost colon or comma in memory operand?!") ? static_cast< void> (0) : __assert_fail ("(Tok.is(AsmToken::Colon) || Tok.is(AsmToken::Comma)) && \"Lost colon or comma in memory operand?!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 5754, __PRETTY_FUNCTION__)) | ||||||||
5754 | "Lost colon or comma in memory operand?!")(((Tok.is(AsmToken::Colon) || Tok.is(AsmToken::Comma)) && "Lost colon or comma in memory operand?!") ? static_cast< void> (0) : __assert_fail ("(Tok.is(AsmToken::Colon) || Tok.is(AsmToken::Comma)) && \"Lost colon or comma in memory operand?!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 5754, __PRETTY_FUNCTION__)); | ||||||||
5755 | if (Tok.is(AsmToken::Comma)) { | ||||||||
5756 | Parser.Lex(); // Eat the comma. | ||||||||
5757 | } | ||||||||
5758 | |||||||||
5759 | // If we have a ':', it's an alignment specifier. | ||||||||
5760 | if (Parser.getTok().is(AsmToken::Colon)) { | ||||||||
5761 | Parser.Lex(); // Eat the ':'. | ||||||||
5762 | E = Parser.getTok().getLoc(); | ||||||||
5763 | SMLoc AlignmentLoc = Tok.getLoc(); | ||||||||
5764 | |||||||||
5765 | const MCExpr *Expr; | ||||||||
5766 | if (getParser().parseExpression(Expr)) | ||||||||
5767 | return true; | ||||||||
5768 | |||||||||
5769 | // The expression has to be a constant. Memory references with relocations | ||||||||
5770 | // don't come through here, as they use the <label> forms of the relevant | ||||||||
5771 | // instructions. | ||||||||
5772 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Expr); | ||||||||
5773 | if (!CE) | ||||||||
5774 | return Error (E, "constant expression expected"); | ||||||||
5775 | |||||||||
5776 | unsigned Align = 0; | ||||||||
5777 | switch (CE->getValue()) { | ||||||||
5778 | default: | ||||||||
5779 | return Error(E, | ||||||||
5780 | "alignment specifier must be 16, 32, 64, 128, or 256 bits"); | ||||||||
5781 | case 16: Align = 2; break; | ||||||||
5782 | case 32: Align = 4; break; | ||||||||
5783 | case 64: Align = 8; break; | ||||||||
5784 | case 128: Align = 16; break; | ||||||||
5785 | case 256: Align = 32; break; | ||||||||
5786 | } | ||||||||
5787 | |||||||||
5788 | // Now we should have the closing ']' | ||||||||
5789 | if (Parser.getTok().isNot(AsmToken::RBrac)) | ||||||||
5790 | return Error(Parser.getTok().getLoc(), "']' expected"); | ||||||||
5791 | E = Parser.getTok().getEndLoc(); | ||||||||
5792 | Parser.Lex(); // Eat right bracket token. | ||||||||
5793 | |||||||||
5794 | // Don't worry about range checking the value here. That's handled by | ||||||||
5795 | // the is*() predicates. | ||||||||
5796 | Operands.push_back(ARMOperand::CreateMem(BaseRegNum, nullptr, 0, | ||||||||
5797 | ARM_AM::no_shift, 0, Align, | ||||||||
5798 | false, S, E, AlignmentLoc)); | ||||||||
5799 | |||||||||
5800 | // If there's a pre-indexing writeback marker, '!', just add it as a token | ||||||||
5801 | // operand. | ||||||||
5802 | if (Parser.getTok().is(AsmToken::Exclaim)) { | ||||||||
5803 | Operands.push_back(ARMOperand::CreateToken("!",Parser.getTok().getLoc())); | ||||||||
5804 | Parser.Lex(); // Eat the '!'. | ||||||||
5805 | } | ||||||||
5806 | |||||||||
5807 | return false; | ||||||||
5808 | } | ||||||||
5809 | |||||||||
5810 | // If we have a '#' or '$', it's an immediate offset, else assume it's a | ||||||||
5811 | // register offset. Be friendly and also accept a plain integer or expression | ||||||||
5812 | // (without a leading hash) for gas compatibility. | ||||||||
5813 | if (Parser.getTok().is(AsmToken::Hash) || | ||||||||
5814 | Parser.getTok().is(AsmToken::Dollar) || | ||||||||
5815 | Parser.getTok().is(AsmToken::LParen) || | ||||||||
5816 | Parser.getTok().is(AsmToken::Integer)) { | ||||||||
5817 | if (Parser.getTok().is(AsmToken::Hash) || | ||||||||
5818 | Parser.getTok().is(AsmToken::Dollar)) | ||||||||
5819 | Parser.Lex(); // Eat '#' or '$' | ||||||||
5820 | E = Parser.getTok().getLoc(); | ||||||||
5821 | |||||||||
5822 | bool isNegative = getParser().getTok().is(AsmToken::Minus); | ||||||||
5823 | const MCExpr *Offset; | ||||||||
5824 | if (getParser().parseExpression(Offset)) | ||||||||
5825 | return true; | ||||||||
5826 | |||||||||
5827 | // The expression has to be a constant. Memory references with relocations | ||||||||
5828 | // don't come through here, as they use the <label> forms of the relevant | ||||||||
5829 | // instructions. | ||||||||
5830 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Offset); | ||||||||
5831 | if (!CE) | ||||||||
5832 | return Error (E, "constant expression expected"); | ||||||||
5833 | |||||||||
5834 | // If the constant was #-0, represent it as | ||||||||
5835 | // std::numeric_limits<int32_t>::min(). | ||||||||
5836 | int32_t Val = CE->getValue(); | ||||||||
5837 | if (isNegative && Val == 0) | ||||||||
5838 | CE = MCConstantExpr::create(std::numeric_limits<int32_t>::min(), | ||||||||
5839 | getContext()); | ||||||||
5840 | |||||||||
5841 | // Now we should have the closing ']' | ||||||||
5842 | if (Parser.getTok().isNot(AsmToken::RBrac)) | ||||||||
5843 | return Error(Parser.getTok().getLoc(), "']' expected"); | ||||||||
5844 | E = Parser.getTok().getEndLoc(); | ||||||||
5845 | Parser.Lex(); // Eat right bracket token. | ||||||||
5846 | |||||||||
5847 | // Don't worry about range checking the value here. That's handled by | ||||||||
5848 | // the is*() predicates. | ||||||||
5849 | Operands.push_back(ARMOperand::CreateMem(BaseRegNum, CE, 0, | ||||||||
5850 | ARM_AM::no_shift, 0, 0, | ||||||||
5851 | false, S, E)); | ||||||||
5852 | |||||||||
5853 | // If there's a pre-indexing writeback marker, '!', just add it as a token | ||||||||
5854 | // operand. | ||||||||
5855 | if (Parser.getTok().is(AsmToken::Exclaim)) { | ||||||||
5856 | Operands.push_back(ARMOperand::CreateToken("!",Parser.getTok().getLoc())); | ||||||||
5857 | Parser.Lex(); // Eat the '!'. | ||||||||
5858 | } | ||||||||
5859 | |||||||||
5860 | return false; | ||||||||
5861 | } | ||||||||
5862 | |||||||||
5863 | // The register offset is optionally preceded by a '+' or '-' | ||||||||
5864 | bool isNegative = false; | ||||||||
5865 | if (Parser.getTok().is(AsmToken::Minus)) { | ||||||||
5866 | isNegative = true; | ||||||||
5867 | Parser.Lex(); // Eat the '-'. | ||||||||
5868 | } else if (Parser.getTok().is(AsmToken::Plus)) { | ||||||||
5869 | // Nothing to do. | ||||||||
5870 | Parser.Lex(); // Eat the '+'. | ||||||||
5871 | } | ||||||||
5872 | |||||||||
5873 | E = Parser.getTok().getLoc(); | ||||||||
5874 | int OffsetRegNum = tryParseRegister(); | ||||||||
5875 | if (OffsetRegNum == -1) | ||||||||
5876 | return Error(E, "register expected"); | ||||||||
5877 | |||||||||
5878 | // If there's a shift operator, handle it. | ||||||||
5879 | ARM_AM::ShiftOpc ShiftType = ARM_AM::no_shift; | ||||||||
5880 | unsigned ShiftImm = 0; | ||||||||
5881 | if (Parser.getTok().is(AsmToken::Comma)) { | ||||||||
5882 | Parser.Lex(); // Eat the ','. | ||||||||
5883 | if (parseMemRegOffsetShift(ShiftType, ShiftImm)) | ||||||||
5884 | return true; | ||||||||
5885 | } | ||||||||
5886 | |||||||||
5887 | // Now we should have the closing ']' | ||||||||
5888 | if (Parser.getTok().isNot(AsmToken::RBrac)) | ||||||||
5889 | return Error(Parser.getTok().getLoc(), "']' expected"); | ||||||||
5890 | E = Parser.getTok().getEndLoc(); | ||||||||
5891 | Parser.Lex(); // Eat right bracket token. | ||||||||
5892 | |||||||||
5893 | Operands.push_back(ARMOperand::CreateMem(BaseRegNum, nullptr, OffsetRegNum, | ||||||||
5894 | ShiftType, ShiftImm, 0, isNegative, | ||||||||
5895 | S, E)); | ||||||||
5896 | |||||||||
5897 | // If there's a pre-indexing writeback marker, '!', just add it as a token | ||||||||
5898 | // operand. | ||||||||
5899 | if (Parser.getTok().is(AsmToken::Exclaim)) { | ||||||||
5900 | Operands.push_back(ARMOperand::CreateToken("!",Parser.getTok().getLoc())); | ||||||||
5901 | Parser.Lex(); // Eat the '!'. | ||||||||
5902 | } | ||||||||
5903 | |||||||||
5904 | return false; | ||||||||
5905 | } | ||||||||
5906 | |||||||||
5907 | /// parseMemRegOffsetShift - one of these two: | ||||||||
5908 | /// ( lsl | lsr | asr | ror ) , # shift_amount | ||||||||
5909 | /// rrx | ||||||||
5910 | /// return true if it parses a shift otherwise it returns false. | ||||||||
5911 | bool ARMAsmParser::parseMemRegOffsetShift(ARM_AM::ShiftOpc &St, | ||||||||
5912 | unsigned &Amount) { | ||||||||
5913 | MCAsmParser &Parser = getParser(); | ||||||||
5914 | SMLoc Loc = Parser.getTok().getLoc(); | ||||||||
5915 | const AsmToken &Tok = Parser.getTok(); | ||||||||
5916 | if (Tok.isNot(AsmToken::Identifier)) | ||||||||
5917 | return Error(Loc, "illegal shift operator"); | ||||||||
5918 | StringRef ShiftName = Tok.getString(); | ||||||||
5919 | if (ShiftName == "lsl" || ShiftName == "LSL" || | ||||||||
5920 | ShiftName == "asl" || ShiftName == "ASL") | ||||||||
5921 | St = ARM_AM::lsl; | ||||||||
5922 | else if (ShiftName == "lsr" || ShiftName == "LSR") | ||||||||
5923 | St = ARM_AM::lsr; | ||||||||
5924 | else if (ShiftName == "asr" || ShiftName == "ASR") | ||||||||
5925 | St = ARM_AM::asr; | ||||||||
5926 | else if (ShiftName == "ror" || ShiftName == "ROR") | ||||||||
5927 | St = ARM_AM::ror; | ||||||||
5928 | else if (ShiftName == "rrx" || ShiftName == "RRX") | ||||||||
5929 | St = ARM_AM::rrx; | ||||||||
5930 | else if (ShiftName == "uxtw" || ShiftName == "UXTW") | ||||||||
5931 | St = ARM_AM::uxtw; | ||||||||
5932 | else | ||||||||
5933 | return Error(Loc, "illegal shift operator"); | ||||||||
5934 | Parser.Lex(); // Eat shift type token. | ||||||||
5935 | |||||||||
5936 | // rrx stands alone. | ||||||||
5937 | Amount = 0; | ||||||||
5938 | if (St != ARM_AM::rrx) { | ||||||||
5939 | Loc = Parser.getTok().getLoc(); | ||||||||
5940 | // A '#' and a shift amount. | ||||||||
5941 | const AsmToken &HashTok = Parser.getTok(); | ||||||||
5942 | if (HashTok.isNot(AsmToken::Hash) && | ||||||||
5943 | HashTok.isNot(AsmToken::Dollar)) | ||||||||
5944 | return Error(HashTok.getLoc(), "'#' expected"); | ||||||||
5945 | Parser.Lex(); // Eat hash token. | ||||||||
5946 | |||||||||
5947 | const MCExpr *Expr; | ||||||||
5948 | if (getParser().parseExpression(Expr)) | ||||||||
5949 | return true; | ||||||||
5950 | // Range check the immediate. | ||||||||
5951 | // lsl, ror: 0 <= imm <= 31 | ||||||||
5952 | // lsr, asr: 0 <= imm <= 32 | ||||||||
5953 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Expr); | ||||||||
5954 | if (!CE) | ||||||||
5955 | return Error(Loc, "shift amount must be an immediate"); | ||||||||
5956 | int64_t Imm = CE->getValue(); | ||||||||
5957 | if (Imm < 0 || | ||||||||
5958 | ((St == ARM_AM::lsl || St == ARM_AM::ror) && Imm > 31) || | ||||||||
5959 | ((St == ARM_AM::lsr || St == ARM_AM::asr) && Imm > 32)) | ||||||||
5960 | return Error(Loc, "immediate shift value out of range"); | ||||||||
5961 | // If <ShiftTy> #0, turn it into a no_shift. | ||||||||
5962 | if (Imm == 0) | ||||||||
5963 | St = ARM_AM::lsl; | ||||||||
5964 | // For consistency, treat lsr #32 and asr #32 as having immediate value 0. | ||||||||
5965 | if (Imm == 32) | ||||||||
5966 | Imm = 0; | ||||||||
5967 | Amount = Imm; | ||||||||
5968 | } | ||||||||
5969 | |||||||||
5970 | return false; | ||||||||
5971 | } | ||||||||
5972 | |||||||||
5973 | /// parseFPImm - A floating point immediate expression operand. | ||||||||
5974 | OperandMatchResultTy | ||||||||
5975 | ARMAsmParser::parseFPImm(OperandVector &Operands) { | ||||||||
5976 | MCAsmParser &Parser = getParser(); | ||||||||
5977 | // Anything that can accept a floating point constant as an operand | ||||||||
5978 | // needs to go through here, as the regular parseExpression is | ||||||||
5979 | // integer only. | ||||||||
5980 | // | ||||||||
5981 | // This routine still creates a generic Immediate operand, containing | ||||||||
5982 | // a bitcast of the 64-bit floating point value. The various operands | ||||||||
5983 | // that accept floats can check whether the value is valid for them | ||||||||
5984 | // via the standard is*() predicates. | ||||||||
5985 | |||||||||
5986 | SMLoc S = Parser.getTok().getLoc(); | ||||||||
5987 | |||||||||
5988 | if (Parser.getTok().isNot(AsmToken::Hash) && | ||||||||
5989 | Parser.getTok().isNot(AsmToken::Dollar)) | ||||||||
5990 | return MatchOperand_NoMatch; | ||||||||
5991 | |||||||||
5992 | // Disambiguate the VMOV forms that can accept an FP immediate. | ||||||||
5993 | // vmov.f32 <sreg>, #imm | ||||||||
5994 | // vmov.f64 <dreg>, #imm | ||||||||
5995 | // vmov.f32 <dreg>, #imm @ vector f32x2 | ||||||||
5996 | // vmov.f32 <qreg>, #imm @ vector f32x4 | ||||||||
5997 | // | ||||||||
5998 | // There are also the NEON VMOV instructions which expect an | ||||||||
5999 | // integer constant. Make sure we don't try to parse an FPImm | ||||||||
6000 | // for these: | ||||||||
6001 | // vmov.i{8|16|32|64} <dreg|qreg>, #imm | ||||||||
6002 | ARMOperand &TyOp = static_cast<ARMOperand &>(*Operands[2]); | ||||||||
6003 | bool isVmovf = TyOp.isToken() && | ||||||||
6004 | (TyOp.getToken() == ".f32" || TyOp.getToken() == ".f64" || | ||||||||
6005 | TyOp.getToken() == ".f16"); | ||||||||
6006 | ARMOperand &Mnemonic = static_cast<ARMOperand &>(*Operands[0]); | ||||||||
6007 | bool isFconst = Mnemonic.isToken() && (Mnemonic.getToken() == "fconstd" || | ||||||||
6008 | Mnemonic.getToken() == "fconsts"); | ||||||||
6009 | if (!(isVmovf || isFconst)) | ||||||||
6010 | return MatchOperand_NoMatch; | ||||||||
6011 | |||||||||
6012 | Parser.Lex(); // Eat '#' or '$'. | ||||||||
6013 | |||||||||
6014 | // Handle negation, as that still comes through as a separate token. | ||||||||
6015 | bool isNegative = false; | ||||||||
6016 | if (Parser.getTok().is(AsmToken::Minus)) { | ||||||||
6017 | isNegative = true; | ||||||||
6018 | Parser.Lex(); | ||||||||
6019 | } | ||||||||
6020 | const AsmToken &Tok = Parser.getTok(); | ||||||||
6021 | SMLoc Loc = Tok.getLoc(); | ||||||||
6022 | if (Tok.is(AsmToken::Real) && isVmovf) { | ||||||||
6023 | APFloat RealVal(APFloat::IEEEsingle(), Tok.getString()); | ||||||||
6024 | uint64_t IntVal = RealVal.bitcastToAPInt().getZExtValue(); | ||||||||
6025 | // If we had a '-' in front, toggle the sign bit. | ||||||||
6026 | IntVal ^= (uint64_t)isNegative << 31; | ||||||||
6027 | Parser.Lex(); // Eat the token. | ||||||||
6028 | Operands.push_back(ARMOperand::CreateImm( | ||||||||
6029 | MCConstantExpr::create(IntVal, getContext()), | ||||||||
6030 | S, Parser.getTok().getLoc())); | ||||||||
6031 | return MatchOperand_Success; | ||||||||
6032 | } | ||||||||
6033 | // Also handle plain integers. Instructions which allow floating point | ||||||||
6034 | // immediates also allow a raw encoded 8-bit value. | ||||||||
6035 | if (Tok.is(AsmToken::Integer) && isFconst) { | ||||||||
6036 | int64_t Val = Tok.getIntVal(); | ||||||||
6037 | Parser.Lex(); // Eat the token. | ||||||||
6038 | if (Val > 255 || Val < 0) { | ||||||||
6039 | Error(Loc, "encoded floating point value out of range"); | ||||||||
6040 | return MatchOperand_ParseFail; | ||||||||
6041 | } | ||||||||
6042 | float RealVal = ARM_AM::getFPImmFloat(Val); | ||||||||
6043 | Val = APFloat(RealVal).bitcastToAPInt().getZExtValue(); | ||||||||
6044 | |||||||||
6045 | Operands.push_back(ARMOperand::CreateImm( | ||||||||
6046 | MCConstantExpr::create(Val, getContext()), S, | ||||||||
6047 | Parser.getTok().getLoc())); | ||||||||
6048 | return MatchOperand_Success; | ||||||||
6049 | } | ||||||||
6050 | |||||||||
6051 | Error(Loc, "invalid floating point immediate"); | ||||||||
6052 | return MatchOperand_ParseFail; | ||||||||
6053 | } | ||||||||
6054 | |||||||||
6055 | /// Parse a arm instruction operand. For now this parses the operand regardless | ||||||||
6056 | /// of the mnemonic. | ||||||||
6057 | bool ARMAsmParser::parseOperand(OperandVector &Operands, StringRef Mnemonic) { | ||||||||
6058 | MCAsmParser &Parser = getParser(); | ||||||||
6059 | SMLoc S, E; | ||||||||
6060 | |||||||||
6061 | // Check if the current operand has a custom associated parser, if so, try to | ||||||||
6062 | // custom parse the operand, or fallback to the general approach. | ||||||||
6063 | OperandMatchResultTy ResTy = MatchOperandParserImpl(Operands, Mnemonic); | ||||||||
6064 | if (ResTy == MatchOperand_Success) | ||||||||
6065 | return false; | ||||||||
6066 | // If there wasn't a custom match, try the generic matcher below. Otherwise, | ||||||||
6067 | // there was a match, but an error occurred, in which case, just return that | ||||||||
6068 | // the operand parsing failed. | ||||||||
6069 | if (ResTy == MatchOperand_ParseFail) | ||||||||
6070 | return true; | ||||||||
6071 | |||||||||
6072 | switch (getLexer().getKind()) { | ||||||||
6073 | default: | ||||||||
6074 | Error(Parser.getTok().getLoc(), "unexpected token in operand"); | ||||||||
6075 | return true; | ||||||||
6076 | case AsmToken::Identifier: { | ||||||||
6077 | // If we've seen a branch mnemonic, the next operand must be a label. This | ||||||||
6078 | // is true even if the label is a register name. So "br r1" means branch to | ||||||||
6079 | // label "r1". | ||||||||
6080 | bool ExpectLabel = Mnemonic == "b" || Mnemonic == "bl"; | ||||||||
6081 | if (!ExpectLabel) { | ||||||||
6082 | if (!tryParseRegisterWithWriteBack(Operands)) | ||||||||
6083 | return false; | ||||||||
6084 | int Res = tryParseShiftRegister(Operands); | ||||||||
6085 | if (Res == 0) // success | ||||||||
6086 | return false; | ||||||||
6087 | else if (Res == -1) // irrecoverable error | ||||||||
6088 | return true; | ||||||||
6089 | // If this is VMRS, check for the apsr_nzcv operand. | ||||||||
6090 | if (Mnemonic == "vmrs" && | ||||||||
6091 | Parser.getTok().getString().equals_lower("apsr_nzcv")) { | ||||||||
6092 | S = Parser.getTok().getLoc(); | ||||||||
6093 | Parser.Lex(); | ||||||||
6094 | Operands.push_back(ARMOperand::CreateToken("APSR_nzcv", S)); | ||||||||
6095 | return false; | ||||||||
6096 | } | ||||||||
6097 | } | ||||||||
6098 | |||||||||
6099 | // Fall though for the Identifier case that is not a register or a | ||||||||
6100 | // special name. | ||||||||
6101 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; | ||||||||
6102 | } | ||||||||
6103 | case AsmToken::LParen: // parenthesized expressions like (_strcmp-4) | ||||||||
6104 | case AsmToken::Integer: // things like 1f and 2b as a branch targets | ||||||||
6105 | case AsmToken::String: // quoted label names. | ||||||||
6106 | case AsmToken::Dot: { // . as a branch target | ||||||||
6107 | // This was not a register so parse other operands that start with an | ||||||||
6108 | // identifier (like labels) as expressions and create them as immediates. | ||||||||
6109 | const MCExpr *IdVal; | ||||||||
6110 | S = Parser.getTok().getLoc(); | ||||||||
6111 | if (getParser().parseExpression(IdVal)) | ||||||||
6112 | return true; | ||||||||
6113 | E = SMLoc::getFromPointer(Parser.getTok().getLoc().getPointer() - 1); | ||||||||
6114 | Operands.push_back(ARMOperand::CreateImm(IdVal, S, E)); | ||||||||
6115 | return false; | ||||||||
6116 | } | ||||||||
6117 | case AsmToken::LBrac: | ||||||||
6118 | return parseMemory(Operands); | ||||||||
6119 | case AsmToken::LCurly: | ||||||||
6120 | return parseRegisterList(Operands, !Mnemonic.startswith("clr")); | ||||||||
6121 | case AsmToken::Dollar: | ||||||||
6122 | case AsmToken::Hash: { | ||||||||
6123 | // #42 -> immediate | ||||||||
6124 | // $ 42 -> immediate | ||||||||
6125 | // $foo -> symbol name | ||||||||
6126 | // $42 -> symbol name | ||||||||
6127 | S = Parser.getTok().getLoc(); | ||||||||
6128 | |||||||||
6129 | // Favor the interpretation of $-prefixed operands as symbol names. | ||||||||
6130 | // Cases where immediates are explicitly expected are handled by their | ||||||||
6131 | // specific ParseMethod implementations. | ||||||||
6132 | auto AdjacentToken = getLexer().peekTok(/*ShouldSkipSpace=*/false); | ||||||||
6133 | bool ExpectIdentifier = Parser.getTok().is(AsmToken::Dollar) && | ||||||||
6134 | (AdjacentToken.is(AsmToken::Identifier) || | ||||||||
6135 | AdjacentToken.is(AsmToken::Integer)); | ||||||||
6136 | if (!ExpectIdentifier) { | ||||||||
6137 | // Token is not part of identifier. Drop leading $ or # before parsing | ||||||||
6138 | // expression. | ||||||||
6139 | Parser.Lex(); | ||||||||
6140 | } | ||||||||
6141 | |||||||||
6142 | if (Parser.getTok().isNot(AsmToken::Colon)) { | ||||||||
6143 | bool IsNegative = Parser.getTok().is(AsmToken::Minus); | ||||||||
6144 | const MCExpr *ImmVal; | ||||||||
6145 | if (getParser().parseExpression(ImmVal)) | ||||||||
6146 | return true; | ||||||||
6147 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(ImmVal); | ||||||||
6148 | if (CE) { | ||||||||
6149 | int32_t Val = CE->getValue(); | ||||||||
6150 | if (IsNegative && Val == 0) | ||||||||
6151 | ImmVal = MCConstantExpr::create(std::numeric_limits<int32_t>::min(), | ||||||||
6152 | getContext()); | ||||||||
6153 | } | ||||||||
6154 | E = SMLoc::getFromPointer(Parser.getTok().getLoc().getPointer() - 1); | ||||||||
6155 | Operands.push_back(ARMOperand::CreateImm(ImmVal, S, E)); | ||||||||
6156 | |||||||||
6157 | // There can be a trailing '!' on operands that we want as a separate | ||||||||
6158 | // '!' Token operand. Handle that here. For example, the compatibility | ||||||||
6159 | // alias for 'srsdb sp!, #imm' is 'srsdb #imm!'. | ||||||||
6160 | if (Parser.getTok().is(AsmToken::Exclaim)) { | ||||||||
6161 | Operands.push_back(ARMOperand::CreateToken(Parser.getTok().getString(), | ||||||||
6162 | Parser.getTok().getLoc())); | ||||||||
6163 | Parser.Lex(); // Eat exclaim token | ||||||||
6164 | } | ||||||||
6165 | return false; | ||||||||
6166 | } | ||||||||
6167 | // w/ a ':' after the '#', it's just like a plain ':'. | ||||||||
6168 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; | ||||||||
6169 | } | ||||||||
6170 | case AsmToken::Colon: { | ||||||||
6171 | S = Parser.getTok().getLoc(); | ||||||||
6172 | // ":lower16:" and ":upper16:" expression prefixes | ||||||||
6173 | // FIXME: Check it's an expression prefix, | ||||||||
6174 | // e.g. (FOO - :lower16:BAR) isn't legal. | ||||||||
6175 | ARMMCExpr::VariantKind RefKind; | ||||||||
6176 | if (parsePrefix(RefKind)) | ||||||||
6177 | return true; | ||||||||
6178 | |||||||||
6179 | const MCExpr *SubExprVal; | ||||||||
6180 | if (getParser().parseExpression(SubExprVal)) | ||||||||
6181 | return true; | ||||||||
6182 | |||||||||
6183 | const MCExpr *ExprVal = ARMMCExpr::create(RefKind, SubExprVal, | ||||||||
6184 | getContext()); | ||||||||
6185 | E = SMLoc::getFromPointer(Parser.getTok().getLoc().getPointer() - 1); | ||||||||
6186 | Operands.push_back(ARMOperand::CreateImm(ExprVal, S, E)); | ||||||||
6187 | return false; | ||||||||
6188 | } | ||||||||
6189 | case AsmToken::Equal: { | ||||||||
6190 | S = Parser.getTok().getLoc(); | ||||||||
6191 | if (Mnemonic != "ldr") // only parse for ldr pseudo (e.g. ldr r0, =val) | ||||||||
6192 | return Error(S, "unexpected token in operand"); | ||||||||
6193 | Parser.Lex(); // Eat '=' | ||||||||
6194 | const MCExpr *SubExprVal; | ||||||||
6195 | if (getParser().parseExpression(SubExprVal)) | ||||||||
6196 | return true; | ||||||||
6197 | E = SMLoc::getFromPointer(Parser.getTok().getLoc().getPointer() - 1); | ||||||||
6198 | |||||||||
6199 | // execute-only: we assume that assembly programmers know what they are | ||||||||
6200 | // doing and allow literal pool creation here | ||||||||
6201 | Operands.push_back(ARMOperand::CreateConstantPoolImm(SubExprVal, S, E)); | ||||||||
6202 | return false; | ||||||||
6203 | } | ||||||||
6204 | } | ||||||||
6205 | } | ||||||||
6206 | |||||||||
6207 | // parsePrefix - Parse ARM 16-bit relocations expression prefix, i.e. | ||||||||
6208 | // :lower16: and :upper16:. | ||||||||
6209 | bool ARMAsmParser::parsePrefix(ARMMCExpr::VariantKind &RefKind) { | ||||||||
6210 | MCAsmParser &Parser = getParser(); | ||||||||
6211 | RefKind = ARMMCExpr::VK_ARM_None; | ||||||||
6212 | |||||||||
6213 | // consume an optional '#' (GNU compatibility) | ||||||||
6214 | if (getLexer().is(AsmToken::Hash)) | ||||||||
6215 | Parser.Lex(); | ||||||||
6216 | |||||||||
6217 | // :lower16: and :upper16: modifiers | ||||||||
6218 | assert(getLexer().is(AsmToken::Colon) && "expected a :")((getLexer().is(AsmToken::Colon) && "expected a :") ? static_cast<void> (0) : __assert_fail ("getLexer().is(AsmToken::Colon) && \"expected a :\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 6218, __PRETTY_FUNCTION__)); | ||||||||
6219 | Parser.Lex(); // Eat ':' | ||||||||
6220 | |||||||||
6221 | if (getLexer().isNot(AsmToken::Identifier)) { | ||||||||
6222 | Error(Parser.getTok().getLoc(), "expected prefix identifier in operand"); | ||||||||
6223 | return true; | ||||||||
6224 | } | ||||||||
6225 | |||||||||
6226 | enum { | ||||||||
6227 | COFF = (1 << MCObjectFileInfo::IsCOFF), | ||||||||
6228 | ELF = (1 << MCObjectFileInfo::IsELF), | ||||||||
6229 | MACHO = (1 << MCObjectFileInfo::IsMachO), | ||||||||
6230 | WASM = (1 << MCObjectFileInfo::IsWasm), | ||||||||
6231 | }; | ||||||||
6232 | static const struct PrefixEntry { | ||||||||
6233 | const char *Spelling; | ||||||||
6234 | ARMMCExpr::VariantKind VariantKind; | ||||||||
6235 | uint8_t SupportedFormats; | ||||||||
6236 | } PrefixEntries[] = { | ||||||||
6237 | { "lower16", ARMMCExpr::VK_ARM_LO16, COFF | ELF | MACHO }, | ||||||||
6238 | { "upper16", ARMMCExpr::VK_ARM_HI16, COFF | ELF | MACHO }, | ||||||||
6239 | }; | ||||||||
6240 | |||||||||
6241 | StringRef IDVal = Parser.getTok().getIdentifier(); | ||||||||
6242 | |||||||||
6243 | const auto &Prefix = | ||||||||
6244 | std::find_if(std::begin(PrefixEntries), std::end(PrefixEntries), | ||||||||
6245 | [&IDVal](const PrefixEntry &PE) { | ||||||||
6246 | return PE.Spelling == IDVal; | ||||||||
6247 | }); | ||||||||
6248 | if (Prefix == std::end(PrefixEntries)) { | ||||||||
6249 | Error(Parser.getTok().getLoc(), "unexpected prefix in operand"); | ||||||||
6250 | return true; | ||||||||
6251 | } | ||||||||
6252 | |||||||||
6253 | uint8_t CurrentFormat; | ||||||||
6254 | switch (getContext().getObjectFileInfo()->getObjectFileType()) { | ||||||||
6255 | case MCObjectFileInfo::IsMachO: | ||||||||
6256 | CurrentFormat = MACHO; | ||||||||
6257 | break; | ||||||||
6258 | case MCObjectFileInfo::IsELF: | ||||||||
6259 | CurrentFormat = ELF; | ||||||||
6260 | break; | ||||||||
6261 | case MCObjectFileInfo::IsCOFF: | ||||||||
6262 | CurrentFormat = COFF; | ||||||||
6263 | break; | ||||||||
6264 | case MCObjectFileInfo::IsWasm: | ||||||||
6265 | CurrentFormat = WASM; | ||||||||
6266 | break; | ||||||||
6267 | case MCObjectFileInfo::IsXCOFF: | ||||||||
6268 | llvm_unreachable("unexpected object format")::llvm::llvm_unreachable_internal("unexpected object format", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 6268); | ||||||||
6269 | break; | ||||||||
6270 | } | ||||||||
6271 | |||||||||
6272 | if (~Prefix->SupportedFormats & CurrentFormat) { | ||||||||
6273 | Error(Parser.getTok().getLoc(), | ||||||||
6274 | "cannot represent relocation in the current file format"); | ||||||||
6275 | return true; | ||||||||
6276 | } | ||||||||
6277 | |||||||||
6278 | RefKind = Prefix->VariantKind; | ||||||||
6279 | Parser.Lex(); | ||||||||
6280 | |||||||||
6281 | if (getLexer().isNot(AsmToken::Colon)) { | ||||||||
6282 | Error(Parser.getTok().getLoc(), "unexpected token after prefix"); | ||||||||
6283 | return true; | ||||||||
6284 | } | ||||||||
6285 | Parser.Lex(); // Eat the last ':' | ||||||||
6286 | |||||||||
6287 | return false; | ||||||||
6288 | } | ||||||||
6289 | |||||||||
6290 | /// Given a mnemonic, split out possible predication code and carry | ||||||||
6291 | /// setting letters to form a canonical mnemonic and flags. | ||||||||
6292 | // | ||||||||
6293 | // FIXME: Would be nice to autogen this. | ||||||||
6294 | // FIXME: This is a bit of a maze of special cases. | ||||||||
6295 | StringRef ARMAsmParser::splitMnemonic(StringRef Mnemonic, | ||||||||
6296 | StringRef ExtraToken, | ||||||||
6297 | unsigned &PredicationCode, | ||||||||
6298 | unsigned &VPTPredicationCode, | ||||||||
6299 | bool &CarrySetting, | ||||||||
6300 | unsigned &ProcessorIMod, | ||||||||
6301 | StringRef &ITMask) { | ||||||||
6302 | PredicationCode = ARMCC::AL; | ||||||||
6303 | VPTPredicationCode = ARMVCC::None; | ||||||||
6304 | CarrySetting = false; | ||||||||
6305 | ProcessorIMod = 0; | ||||||||
6306 | |||||||||
6307 | // Ignore some mnemonics we know aren't predicated forms. | ||||||||
6308 | // | ||||||||
6309 | // FIXME: Would be nice to autogen this. | ||||||||
6310 | if ((Mnemonic == "movs" && isThumb()) || | ||||||||
6311 | Mnemonic == "teq" || Mnemonic == "vceq" || Mnemonic == "svc" || | ||||||||
6312 | Mnemonic == "mls" || Mnemonic == "smmls" || Mnemonic == "vcls" || | ||||||||
6313 | Mnemonic == "vmls" || Mnemonic == "vnmls" || Mnemonic == "vacge" || | ||||||||
6314 | Mnemonic == "vcge" || Mnemonic == "vclt" || Mnemonic == "vacgt" || | ||||||||
6315 | Mnemonic == "vaclt" || Mnemonic == "vacle" || Mnemonic == "hlt" || | ||||||||
6316 | Mnemonic == "vcgt" || Mnemonic == "vcle" || Mnemonic == "smlal" || | ||||||||
6317 | Mnemonic == "umaal" || Mnemonic == "umlal" || Mnemonic == "vabal" || | ||||||||
6318 | Mnemonic == "vmlal" || Mnemonic == "vpadal" || Mnemonic == "vqdmlal" || | ||||||||
6319 | Mnemonic == "fmuls" || Mnemonic == "vmaxnm" || Mnemonic == "vminnm" || | ||||||||
6320 | Mnemonic == "vcvta" || Mnemonic == "vcvtn" || Mnemonic == "vcvtp" || | ||||||||
6321 | Mnemonic == "vcvtm" || Mnemonic == "vrinta" || Mnemonic == "vrintn" || | ||||||||
6322 | Mnemonic == "vrintp" || Mnemonic == "vrintm" || Mnemonic == "hvc" || | ||||||||
6323 | Mnemonic.startswith("vsel") || Mnemonic == "vins" || Mnemonic == "vmovx" || | ||||||||
6324 | Mnemonic == "bxns" || Mnemonic == "blxns" || | ||||||||
6325 | Mnemonic == "vudot" || Mnemonic == "vsdot" || | ||||||||
6326 | Mnemonic == "vcmla" || Mnemonic == "vcadd" || | ||||||||
6327 | Mnemonic == "vfmal" || Mnemonic == "vfmsl" || | ||||||||
6328 | Mnemonic == "wls" || Mnemonic == "le" || Mnemonic == "dls" || | ||||||||
6329 | Mnemonic == "csel" || Mnemonic == "csinc" || | ||||||||
6330 | Mnemonic == "csinv" || Mnemonic == "csneg" || Mnemonic == "cinc" || | ||||||||
6331 | Mnemonic == "cinv" || Mnemonic == "cneg" || Mnemonic == "cset" || | ||||||||
6332 | Mnemonic == "csetm") | ||||||||
6333 | return Mnemonic; | ||||||||
6334 | |||||||||
6335 | // First, split out any predication code. Ignore mnemonics we know aren't | ||||||||
6336 | // predicated but do have a carry-set and so weren't caught above. | ||||||||
6337 | if (Mnemonic != "adcs" && Mnemonic != "bics" && Mnemonic != "movs" && | ||||||||
6338 | Mnemonic != "muls" && Mnemonic != "smlals" && Mnemonic != "smulls" && | ||||||||
6339 | Mnemonic != "umlals" && Mnemonic != "umulls" && Mnemonic != "lsls" && | ||||||||
6340 | Mnemonic != "sbcs" && Mnemonic != "rscs" && | ||||||||
6341 | !(hasMVE() && | ||||||||
6342 | (Mnemonic == "vmine" || | ||||||||
6343 | Mnemonic == "vshle" || Mnemonic == "vshlt" || Mnemonic == "vshllt" || | ||||||||
6344 | Mnemonic == "vrshle" || Mnemonic == "vrshlt" || | ||||||||
6345 | Mnemonic == "vmvne" || Mnemonic == "vorne" || | ||||||||
6346 | Mnemonic == "vnege" || Mnemonic == "vnegt" || | ||||||||
6347 | Mnemonic == "vmule" || Mnemonic == "vmult" || | ||||||||
6348 | Mnemonic == "vrintne" || | ||||||||
6349 | Mnemonic == "vcmult" || Mnemonic == "vcmule" || | ||||||||
6350 | Mnemonic == "vpsele" || Mnemonic == "vpselt" || | ||||||||
6351 | Mnemonic.startswith("vq")))) { | ||||||||
6352 | unsigned CC = ARMCondCodeFromString(Mnemonic.substr(Mnemonic.size()-2)); | ||||||||
6353 | if (CC != ~0U) { | ||||||||
6354 | Mnemonic = Mnemonic.slice(0, Mnemonic.size() - 2); | ||||||||
6355 | PredicationCode = CC; | ||||||||
6356 | } | ||||||||
6357 | } | ||||||||
6358 | |||||||||
6359 | // Next, determine if we have a carry setting bit. We explicitly ignore all | ||||||||
6360 | // the instructions we know end in 's'. | ||||||||
6361 | if (Mnemonic.endswith("s") && | ||||||||
6362 | !(Mnemonic == "cps" || Mnemonic == "mls" || | ||||||||
6363 | Mnemonic == "mrs" || Mnemonic == "smmls" || Mnemonic == "vabs" || | ||||||||
6364 | Mnemonic == "vcls" || Mnemonic == "vmls" || Mnemonic == "vmrs" || | ||||||||
6365 | Mnemonic == "vnmls" || Mnemonic == "vqabs" || Mnemonic == "vrecps" || | ||||||||
6366 | Mnemonic == "vrsqrts" || Mnemonic == "srs" || Mnemonic == "flds" || | ||||||||
6367 | Mnemonic == "fmrs" || Mnemonic == "fsqrts" || Mnemonic == "fsubs" || | ||||||||
6368 | Mnemonic == "fsts" || Mnemonic == "fcpys" || Mnemonic == "fdivs" || | ||||||||
6369 | Mnemonic == "fmuls" || Mnemonic == "fcmps" || Mnemonic == "fcmpzs" || | ||||||||
6370 | Mnemonic == "vfms" || Mnemonic == "vfnms" || Mnemonic == "fconsts" || | ||||||||
6371 | Mnemonic == "bxns" || Mnemonic == "blxns" || Mnemonic == "vfmas" || | ||||||||
6372 | Mnemonic == "vmlas" || | ||||||||
6373 | (Mnemonic == "movs" && isThumb()))) { | ||||||||
6374 | Mnemonic = Mnemonic.slice(0, Mnemonic.size() - 1); | ||||||||
6375 | CarrySetting = true; | ||||||||
6376 | } | ||||||||
6377 | |||||||||
6378 | // The "cps" instruction can have a interrupt mode operand which is glued into | ||||||||
6379 | // the mnemonic. Check if this is the case, split it and parse the imod op | ||||||||
6380 | if (Mnemonic.startswith("cps")) { | ||||||||
6381 | // Split out any imod code. | ||||||||
6382 | unsigned IMod = | ||||||||
6383 | StringSwitch<unsigned>(Mnemonic.substr(Mnemonic.size()-2, 2)) | ||||||||
6384 | .Case("ie", ARM_PROC::IE) | ||||||||
6385 | .Case("id", ARM_PROC::ID) | ||||||||
6386 | .Default(~0U); | ||||||||
6387 | if (IMod != ~0U) { | ||||||||
6388 | Mnemonic = Mnemonic.slice(0, Mnemonic.size()-2); | ||||||||
6389 | ProcessorIMod = IMod; | ||||||||
6390 | } | ||||||||
6391 | } | ||||||||
6392 | |||||||||
6393 | if (isMnemonicVPTPredicable(Mnemonic, ExtraToken) && Mnemonic != "vmovlt" && | ||||||||
6394 | Mnemonic != "vshllt" && Mnemonic != "vrshrnt" && Mnemonic != "vshrnt" && | ||||||||
6395 | Mnemonic != "vqrshrunt" && Mnemonic != "vqshrunt" && | ||||||||
6396 | Mnemonic != "vqrshrnt" && Mnemonic != "vqshrnt" && Mnemonic != "vmullt" && | ||||||||
6397 | Mnemonic != "vqmovnt" && Mnemonic != "vqmovunt" && | ||||||||
6398 | Mnemonic != "vqmovnt" && Mnemonic != "vmovnt" && Mnemonic != "vqdmullt" && | ||||||||
6399 | Mnemonic != "vpnot" && Mnemonic != "vcvtt" && Mnemonic != "vcvt") { | ||||||||
6400 | unsigned CC = ARMVectorCondCodeFromString(Mnemonic.substr(Mnemonic.size()-1)); | ||||||||
6401 | if (CC != ~0U) { | ||||||||
6402 | Mnemonic = Mnemonic.slice(0, Mnemonic.size()-1); | ||||||||
6403 | VPTPredicationCode = CC; | ||||||||
6404 | } | ||||||||
6405 | return Mnemonic; | ||||||||
6406 | } | ||||||||
6407 | |||||||||
6408 | // The "it" instruction has the condition mask on the end of the mnemonic. | ||||||||
6409 | if (Mnemonic.startswith("it")) { | ||||||||
6410 | ITMask = Mnemonic.slice(2, Mnemonic.size()); | ||||||||
6411 | Mnemonic = Mnemonic.slice(0, 2); | ||||||||
6412 | } | ||||||||
6413 | |||||||||
6414 | if (Mnemonic.startswith("vpst")) { | ||||||||
6415 | ITMask = Mnemonic.slice(4, Mnemonic.size()); | ||||||||
6416 | Mnemonic = Mnemonic.slice(0, 4); | ||||||||
6417 | } | ||||||||
6418 | else if (Mnemonic.startswith("vpt")) { | ||||||||
6419 | ITMask = Mnemonic.slice(3, Mnemonic.size()); | ||||||||
6420 | Mnemonic = Mnemonic.slice(0, 3); | ||||||||
6421 | } | ||||||||
6422 | |||||||||
6423 | return Mnemonic; | ||||||||
6424 | } | ||||||||
6425 | |||||||||
6426 | /// Given a canonical mnemonic, determine if the instruction ever allows | ||||||||
6427 | /// inclusion of carry set or predication code operands. | ||||||||
6428 | // | ||||||||
6429 | // FIXME: It would be nice to autogen this. | ||||||||
6430 | void ARMAsmParser::getMnemonicAcceptInfo(StringRef Mnemonic, | ||||||||
6431 | StringRef ExtraToken, | ||||||||
6432 | StringRef FullInst, | ||||||||
6433 | bool &CanAcceptCarrySet, | ||||||||
6434 | bool &CanAcceptPredicationCode, | ||||||||
6435 | bool &CanAcceptVPTPredicationCode) { | ||||||||
6436 | CanAcceptVPTPredicationCode = isMnemonicVPTPredicable(Mnemonic, ExtraToken); | ||||||||
6437 | |||||||||
6438 | CanAcceptCarrySet = | ||||||||
6439 | Mnemonic == "and" || Mnemonic == "lsl" || Mnemonic == "lsr" || | ||||||||
6440 | Mnemonic == "rrx" || Mnemonic == "ror" || Mnemonic == "sub" || | ||||||||
6441 | Mnemonic == "add" || Mnemonic == "adc" || Mnemonic == "mul" || | ||||||||
6442 | Mnemonic == "bic" || Mnemonic == "asr" || Mnemonic == "orr" || | ||||||||
6443 | Mnemonic == "mvn" || Mnemonic == "rsb" || Mnemonic == "rsc" || | ||||||||
6444 | Mnemonic == "orn" || Mnemonic == "sbc" || Mnemonic == "eor" || | ||||||||
6445 | Mnemonic == "neg" || Mnemonic == "vfm" || Mnemonic == "vfnm" || | ||||||||
6446 | (!isThumb() && | ||||||||
6447 | (Mnemonic == "smull" || Mnemonic == "mov" || Mnemonic == "mla" || | ||||||||
6448 | Mnemonic == "smlal" || Mnemonic == "umlal" || Mnemonic == "umull")); | ||||||||
6449 | |||||||||
6450 | if (Mnemonic == "bkpt" || Mnemonic == "cbnz" || Mnemonic == "setend" || | ||||||||
6451 | Mnemonic == "cps" || Mnemonic == "it" || Mnemonic == "cbz" || | ||||||||
6452 | Mnemonic == "trap" || Mnemonic == "hlt" || Mnemonic == "udf" || | ||||||||
6453 | Mnemonic.startswith("crc32") || Mnemonic.startswith("cps") || | ||||||||
6454 | Mnemonic.startswith("vsel") || Mnemonic == "vmaxnm" || | ||||||||
6455 | Mnemonic == "vminnm" || Mnemonic == "vcvta" || Mnemonic == "vcvtn" || | ||||||||
6456 | Mnemonic == "vcvtp" || Mnemonic == "vcvtm" || Mnemonic == "vrinta" || | ||||||||
6457 | Mnemonic == "vrintn" || Mnemonic == "vrintp" || Mnemonic == "vrintm" || | ||||||||
6458 | Mnemonic.startswith("aes") || Mnemonic == "hvc" || Mnemonic == "setpan" || | ||||||||
6459 | Mnemonic.startswith("sha1") || Mnemonic.startswith("sha256") || | ||||||||
6460 | (FullInst.startswith("vmull") && FullInst.endswith(".p64")) || | ||||||||
6461 | Mnemonic == "vmovx" || Mnemonic == "vins" || | ||||||||
6462 | Mnemonic == "vudot" || Mnemonic == "vsdot" || | ||||||||
6463 | Mnemonic == "vcmla" || Mnemonic == "vcadd" || | ||||||||
6464 | Mnemonic == "vfmal" || Mnemonic == "vfmsl" || | ||||||||
6465 | Mnemonic == "sb" || Mnemonic == "ssbb" || | ||||||||
6466 | Mnemonic == "pssbb" || | ||||||||
6467 | Mnemonic == "bfcsel" || Mnemonic == "wls" || | ||||||||
6468 | Mnemonic == "dls" || Mnemonic == "le" || Mnemonic == "csel" || | ||||||||
6469 | Mnemonic == "csinc" || Mnemonic == "csinv" || Mnemonic == "csneg" || | ||||||||
6470 | Mnemonic == "cinc" || Mnemonic == "cinv" || Mnemonic == "cneg" || | ||||||||
6471 | Mnemonic == "cset" || Mnemonic == "csetm" || | ||||||||
6472 | Mnemonic.startswith("vpt") || Mnemonic.startswith("vpst") || | ||||||||
6473 | (hasCDE() && MS.isCDEInstr(Mnemonic) && | ||||||||
6474 | !MS.isITPredicableCDEInstr(Mnemonic)) || | ||||||||
6475 | (hasMVE() && | ||||||||
6476 | (Mnemonic.startswith("vst2") || Mnemonic.startswith("vld2") || | ||||||||
6477 | Mnemonic.startswith("vst4") || Mnemonic.startswith("vld4") || | ||||||||
6478 | Mnemonic.startswith("wlstp") || Mnemonic.startswith("dlstp") || | ||||||||
6479 | Mnemonic.startswith("letp")))) { | ||||||||
6480 | // These mnemonics are never predicable | ||||||||
6481 | CanAcceptPredicationCode = false; | ||||||||
6482 | } else if (!isThumb()) { | ||||||||
6483 | // Some instructions are only predicable in Thumb mode | ||||||||
6484 | CanAcceptPredicationCode = | ||||||||
6485 | Mnemonic != "cdp2" && Mnemonic != "clrex" && Mnemonic != "mcr2" && | ||||||||
6486 | Mnemonic != "mcrr2" && Mnemonic != "mrc2" && Mnemonic != "mrrc2" && | ||||||||
6487 | Mnemonic != "dmb" && Mnemonic != "dfb" && Mnemonic != "dsb" && | ||||||||
6488 | Mnemonic != "isb" && Mnemonic != "pld" && Mnemonic != "pli" && | ||||||||
6489 | Mnemonic != "pldw" && Mnemonic != "ldc2" && Mnemonic != "ldc2l" && | ||||||||
6490 | Mnemonic != "stc2" && Mnemonic != "stc2l" && | ||||||||
6491 | Mnemonic != "tsb" && | ||||||||
6492 | !Mnemonic.startswith("rfe") && !Mnemonic.startswith("srs"); | ||||||||
6493 | } else if (isThumbOne()) { | ||||||||
6494 | if (hasV6MOps()) | ||||||||
6495 | CanAcceptPredicationCode = Mnemonic != "movs"; | ||||||||
6496 | else | ||||||||
6497 | CanAcceptPredicationCode = Mnemonic != "nop" && Mnemonic != "movs"; | ||||||||
6498 | } else | ||||||||
6499 | CanAcceptPredicationCode = true; | ||||||||
6500 | } | ||||||||
6501 | |||||||||
6502 | // Some Thumb instructions have two operand forms that are not | ||||||||
6503 | // available as three operand, convert to two operand form if possible. | ||||||||
6504 | // | ||||||||
6505 | // FIXME: We would really like to be able to tablegen'erate this. | ||||||||
6506 | void ARMAsmParser::tryConvertingToTwoOperandForm(StringRef Mnemonic, | ||||||||
6507 | bool CarrySetting, | ||||||||
6508 | OperandVector &Operands) { | ||||||||
6509 | if (Operands.size() != 6) | ||||||||
6510 | return; | ||||||||
6511 | |||||||||
6512 | const auto &Op3 = static_cast<ARMOperand &>(*Operands[3]); | ||||||||
6513 | auto &Op4 = static_cast<ARMOperand &>(*Operands[4]); | ||||||||
6514 | if (!Op3.isReg() || !Op4.isReg()) | ||||||||
6515 | return; | ||||||||
6516 | |||||||||
6517 | auto Op3Reg = Op3.getReg(); | ||||||||
6518 | auto Op4Reg = Op4.getReg(); | ||||||||
6519 | |||||||||
6520 | // For most Thumb2 cases we just generate the 3 operand form and reduce | ||||||||
6521 | // it in processInstruction(), but the 3 operand form of ADD (t2ADDrr) | ||||||||
6522 | // won't accept SP or PC so we do the transformation here taking care | ||||||||
6523 | // with immediate range in the 'add sp, sp #imm' case. | ||||||||
6524 | auto &Op5 = static_cast<ARMOperand &>(*Operands[5]); | ||||||||
6525 | if (isThumbTwo()) { | ||||||||
6526 | if (Mnemonic != "add") | ||||||||
6527 | return; | ||||||||
6528 | bool TryTransform = Op3Reg == ARM::PC || Op4Reg == ARM::PC || | ||||||||
6529 | (Op5.isReg() && Op5.getReg() == ARM::PC); | ||||||||
6530 | if (!TryTransform) { | ||||||||
6531 | TryTransform = (Op3Reg == ARM::SP || Op4Reg == ARM::SP || | ||||||||
6532 | (Op5.isReg() && Op5.getReg() == ARM::SP)) && | ||||||||
6533 | !(Op3Reg == ARM::SP && Op4Reg == ARM::SP && | ||||||||
6534 | Op5.isImm() && !Op5.isImm0_508s4()); | ||||||||
6535 | } | ||||||||
6536 | if (!TryTransform) | ||||||||
6537 | return; | ||||||||
6538 | } else if (!isThumbOne()) | ||||||||
6539 | return; | ||||||||
6540 | |||||||||
6541 | if (!(Mnemonic == "add" || Mnemonic == "sub" || Mnemonic == "and" || | ||||||||
6542 | Mnemonic == "eor" || Mnemonic == "lsl" || Mnemonic == "lsr" || | ||||||||
6543 | Mnemonic == "asr" || Mnemonic == "adc" || Mnemonic == "sbc" || | ||||||||
6544 | Mnemonic == "ror" || Mnemonic == "orr" || Mnemonic == "bic")) | ||||||||
6545 | return; | ||||||||
6546 | |||||||||
6547 | // If first 2 operands of a 3 operand instruction are the same | ||||||||
6548 | // then transform to 2 operand version of the same instruction | ||||||||
6549 | // e.g. 'adds r0, r0, #1' transforms to 'adds r0, #1' | ||||||||
6550 | bool Transform = Op3Reg == Op4Reg; | ||||||||
6551 | |||||||||
6552 | // For communtative operations, we might be able to transform if we swap | ||||||||
6553 | // Op4 and Op5. The 'ADD Rdm, SP, Rdm' form is already handled specially | ||||||||
6554 | // as tADDrsp. | ||||||||
6555 | const ARMOperand *LastOp = &Op5; | ||||||||
6556 | bool Swap = false; | ||||||||
6557 | if (!Transform && Op5.isReg() && Op3Reg == Op5.getReg() && | ||||||||
6558 | ((Mnemonic == "add" && Op4Reg != ARM::SP) || | ||||||||
6559 | Mnemonic == "and" || Mnemonic == "eor" || | ||||||||
6560 | Mnemonic == "adc" || Mnemonic == "orr")) { | ||||||||
6561 | Swap = true; | ||||||||
6562 | LastOp = &Op4; | ||||||||
6563 | Transform = true; | ||||||||
6564 | } | ||||||||
6565 | |||||||||
6566 | // If both registers are the same then remove one of them from | ||||||||
6567 | // the operand list, with certain exceptions. | ||||||||
6568 | if (Transform) { | ||||||||
6569 | // Don't transform 'adds Rd, Rd, Rm' or 'sub{s} Rd, Rd, Rm' because the | ||||||||
6570 | // 2 operand forms don't exist. | ||||||||
6571 | if (((Mnemonic == "add" && CarrySetting) || Mnemonic == "sub") && | ||||||||
6572 | LastOp->isReg()) | ||||||||
6573 | Transform = false; | ||||||||
6574 | |||||||||
6575 | // Don't transform 'add/sub{s} Rd, Rd, #imm' if the immediate fits into | ||||||||
6576 | // 3-bits because the ARMARM says not to. | ||||||||
6577 | if ((Mnemonic == "add" || Mnemonic == "sub") && LastOp->isImm0_7()) | ||||||||
6578 | Transform = false; | ||||||||
6579 | } | ||||||||
6580 | |||||||||
6581 | if (Transform) { | ||||||||
6582 | if (Swap) | ||||||||
6583 | std::swap(Op4, Op5); | ||||||||
6584 | Operands.erase(Operands.begin() + 3); | ||||||||
6585 | } | ||||||||
6586 | } | ||||||||
6587 | |||||||||
6588 | bool ARMAsmParser::shouldOmitCCOutOperand(StringRef Mnemonic, | ||||||||
6589 | OperandVector &Operands) { | ||||||||
6590 | // FIXME: This is all horribly hacky. We really need a better way to deal | ||||||||
6591 | // with optional operands like this in the matcher table. | ||||||||
6592 | |||||||||
6593 | // The 'mov' mnemonic is special. One variant has a cc_out operand, while | ||||||||
6594 | // another does not. Specifically, the MOVW instruction does not. So we | ||||||||
6595 | // special case it here and remove the defaulted (non-setting) cc_out | ||||||||
6596 | // operand if that's the instruction we're trying to match. | ||||||||
6597 | // | ||||||||
6598 | // We do this as post-processing of the explicit operands rather than just | ||||||||
6599 | // conditionally adding the cc_out in the first place because we need | ||||||||
6600 | // to check the type of the parsed immediate operand. | ||||||||
6601 | if (Mnemonic == "mov" && Operands.size() > 4 && !isThumb() && | ||||||||
6602 | !static_cast<ARMOperand &>(*Operands[4]).isModImm() && | ||||||||
6603 | static_cast<ARMOperand &>(*Operands[4]).isImm0_65535Expr() && | ||||||||
6604 | static_cast<ARMOperand &>(*Operands[1]).getReg() == 0) | ||||||||
6605 | return true; | ||||||||
6606 | |||||||||
6607 | // Register-register 'add' for thumb does not have a cc_out operand | ||||||||
6608 | // when there are only two register operands. | ||||||||
6609 | if (isThumb() && Mnemonic == "add" && Operands.size() == 5 && | ||||||||
6610 | static_cast<ARMOperand &>(*Operands[3]).isReg() && | ||||||||
6611 | static_cast<ARMOperand &>(*Operands[4]).isReg() && | ||||||||
6612 | static_cast<ARMOperand &>(*Operands[1]).getReg() == 0) | ||||||||
6613 | return true; | ||||||||
6614 | // Register-register 'add' for thumb does not have a cc_out operand | ||||||||
6615 | // when it's an ADD Rdm, SP, {Rdm|#imm0_255} instruction. We do | ||||||||
6616 | // have to check the immediate range here since Thumb2 has a variant | ||||||||
6617 | // that can handle a different range and has a cc_out operand. | ||||||||
6618 | if (((isThumb() && Mnemonic == "add") || | ||||||||
6619 | (isThumbTwo() && Mnemonic == "sub")) && | ||||||||
6620 | Operands.size() == 6 && static_cast<ARMOperand &>(*Operands[3]).isReg() && | ||||||||
6621 | static_cast<ARMOperand &>(*Operands[4]).isReg() && | ||||||||
6622 | static_cast<ARMOperand &>(*Operands[4]).getReg() == ARM::SP && | ||||||||
6623 | static_cast<ARMOperand &>(*Operands[1]).getReg() == 0 && | ||||||||
6624 | ((Mnemonic == "add" && static_cast<ARMOperand &>(*Operands[5]).isReg()) || | ||||||||
6625 | static_cast<ARMOperand &>(*Operands[5]).isImm0_1020s4())) | ||||||||
6626 | return true; | ||||||||
6627 | // For Thumb2, add/sub immediate does not have a cc_out operand for the | ||||||||
6628 | // imm0_4095 variant. That's the least-preferred variant when | ||||||||
6629 | // selecting via the generic "add" mnemonic, so to know that we | ||||||||
6630 | // should remove the cc_out operand, we have to explicitly check that | ||||||||
6631 | // it's not one of the other variants. Ugh. | ||||||||
6632 | if (isThumbTwo() && (Mnemonic == "add" || Mnemonic == "sub") && | ||||||||
6633 | Operands.size() == 6 && static_cast<ARMOperand &>(*Operands[3]).isReg() && | ||||||||
6634 | static_cast<ARMOperand &>(*Operands[4]).isReg() && | ||||||||
6635 | static_cast<ARMOperand &>(*Operands[5]).isImm()) { | ||||||||
6636 | // Nest conditions rather than one big 'if' statement for readability. | ||||||||
6637 | // | ||||||||
6638 | // If both registers are low, we're in an IT block, and the immediate is | ||||||||
6639 | // in range, we should use encoding T1 instead, which has a cc_out. | ||||||||
6640 | if (inITBlock() && | ||||||||
6641 | isARMLowRegister(static_cast<ARMOperand &>(*Operands[3]).getReg()) && | ||||||||
6642 | isARMLowRegister(static_cast<ARMOperand &>(*Operands[4]).getReg()) && | ||||||||
6643 | static_cast<ARMOperand &>(*Operands[5]).isImm0_7()) | ||||||||
6644 | return false; | ||||||||
6645 | // Check against T3. If the second register is the PC, this is an | ||||||||
6646 | // alternate form of ADR, which uses encoding T4, so check for that too. | ||||||||
6647 | if (static_cast<ARMOperand &>(*Operands[4]).getReg() != ARM::PC && | ||||||||
6648 | (static_cast<ARMOperand &>(*Operands[5]).isT2SOImm() || | ||||||||
6649 | static_cast<ARMOperand &>(*Operands[5]).isT2SOImmNeg())) | ||||||||
6650 | return false; | ||||||||
6651 | |||||||||
6652 | // Otherwise, we use encoding T4, which does not have a cc_out | ||||||||
6653 | // operand. | ||||||||
6654 | return true; | ||||||||
6655 | } | ||||||||
6656 | |||||||||
6657 | // The thumb2 multiply instruction doesn't have a CCOut register, so | ||||||||
6658 | // if we have a "mul" mnemonic in Thumb mode, check if we'll be able to | ||||||||
6659 | // use the 16-bit encoding or not. | ||||||||
6660 | if (isThumbTwo() && Mnemonic == "mul" && Operands.size() == 6 && | ||||||||
6661 | static_cast<ARMOperand &>(*Operands[1]).getReg() == 0 && | ||||||||
6662 | static_cast<ARMOperand &>(*Operands[3]).isReg() && | ||||||||
6663 | static_cast<ARMOperand &>(*Operands[4]).isReg() && | ||||||||
6664 | static_cast<ARMOperand &>(*Operands[5]).isReg() && | ||||||||
6665 | // If the registers aren't low regs, the destination reg isn't the | ||||||||
6666 | // same as one of the source regs, or the cc_out operand is zero | ||||||||
6667 | // outside of an IT block, we have to use the 32-bit encoding, so | ||||||||
6668 | // remove the cc_out operand. | ||||||||
6669 | (!isARMLowRegister(static_cast<ARMOperand &>(*Operands[3]).getReg()) || | ||||||||
6670 | !isARMLowRegister(static_cast<ARMOperand &>(*Operands[4]).getReg()) || | ||||||||
6671 | !isARMLowRegister(static_cast<ARMOperand &>(*Operands[5]).getReg()) || | ||||||||
6672 | !inITBlock() || (static_cast<ARMOperand &>(*Operands[3]).getReg() != | ||||||||
6673 | static_cast<ARMOperand &>(*Operands[5]).getReg() && | ||||||||
6674 | static_cast<ARMOperand &>(*Operands[3]).getReg() != | ||||||||
6675 | static_cast<ARMOperand &>(*Operands[4]).getReg()))) | ||||||||
6676 | return true; | ||||||||
6677 | |||||||||
6678 | // Also check the 'mul' syntax variant that doesn't specify an explicit | ||||||||
6679 | // destination register. | ||||||||
6680 | if (isThumbTwo() && Mnemonic == "mul" && Operands.size() == 5 && | ||||||||
6681 | static_cast<ARMOperand &>(*Operands[1]).getReg() == 0 && | ||||||||
6682 | static_cast<ARMOperand &>(*Operands[3]).isReg() && | ||||||||
6683 | static_cast<ARMOperand &>(*Operands[4]).isReg() && | ||||||||
6684 | // If the registers aren't low regs or the cc_out operand is zero | ||||||||
6685 | // outside of an IT block, we have to use the 32-bit encoding, so | ||||||||
6686 | // remove the cc_out operand. | ||||||||
6687 | (!isARMLowRegister(static_cast<ARMOperand &>(*Operands[3]).getReg()) || | ||||||||
6688 | !isARMLowRegister(static_cast<ARMOperand &>(*Operands[4]).getReg()) || | ||||||||
6689 | !inITBlock())) | ||||||||
6690 | return true; | ||||||||
6691 | |||||||||
6692 | // Register-register 'add/sub' for thumb does not have a cc_out operand | ||||||||
6693 | // when it's an ADD/SUB SP, #imm. Be lenient on count since there's also | ||||||||
6694 | // the "add/sub SP, SP, #imm" version. If the follow-up operands aren't | ||||||||
6695 | // right, this will result in better diagnostics (which operand is off) | ||||||||
6696 | // anyway. | ||||||||
6697 | if (isThumb() && (Mnemonic == "add" || Mnemonic == "sub") && | ||||||||
6698 | (Operands.size() == 5 || Operands.size() == 6) && | ||||||||
6699 | static_cast<ARMOperand &>(*Operands[3]).isReg() && | ||||||||
6700 | static_cast<ARMOperand &>(*Operands[3]).getReg() == ARM::SP && | ||||||||
6701 | static_cast<ARMOperand &>(*Operands[1]).getReg() == 0 && | ||||||||
6702 | (static_cast<ARMOperand &>(*Operands[4]).isImm() || | ||||||||
6703 | (Operands.size() == 6 && | ||||||||
6704 | static_cast<ARMOperand &>(*Operands[5]).isImm()))) { | ||||||||
6705 | // Thumb2 (add|sub){s}{p}.w GPRnopc, sp, #{T2SOImm} has cc_out | ||||||||
6706 | return (!(isThumbTwo() && | ||||||||
6707 | (static_cast<ARMOperand &>(*Operands[4]).isT2SOImm() || | ||||||||
6708 | static_cast<ARMOperand &>(*Operands[4]).isT2SOImmNeg()))); | ||||||||
6709 | } | ||||||||
6710 | // Fixme: Should join all the thumb+thumb2 (add|sub) in a single if case | ||||||||
6711 | // Thumb2 ADD r0, #4095 -> ADDW r0, r0, #4095 (T4) | ||||||||
6712 | // Thumb2 SUB r0, #4095 -> SUBW r0, r0, #4095 | ||||||||
6713 | if (isThumbTwo() && (Mnemonic == "add" || Mnemonic == "sub") && | ||||||||
6714 | (Operands.size() == 5) && | ||||||||
6715 | static_cast<ARMOperand &>(*Operands[3]).isReg() && | ||||||||
6716 | static_cast<ARMOperand &>(*Operands[3]).getReg() != ARM::SP && | ||||||||
6717 | static_cast<ARMOperand &>(*Operands[3]).getReg() != ARM::PC && | ||||||||
6718 | static_cast<ARMOperand &>(*Operands[1]).getReg() == 0 && | ||||||||
6719 | static_cast<ARMOperand &>(*Operands[4]).isImm()) { | ||||||||
6720 | const ARMOperand &IMM = static_cast<ARMOperand &>(*Operands[4]); | ||||||||
6721 | if (IMM.isT2SOImm() || IMM.isT2SOImmNeg()) | ||||||||
6722 | return false; // add.w / sub.w | ||||||||
6723 | if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(IMM.getImm())) { | ||||||||
6724 | const int64_t Value = CE->getValue(); | ||||||||
6725 | // Thumb1 imm8 sub / add | ||||||||
6726 | if ((Value < ((1 << 7) - 1) << 2) && inITBlock() && (!(Value & 3)) && | ||||||||
6727 | isARMLowRegister(static_cast<ARMOperand &>(*Operands[3]).getReg())) | ||||||||
6728 | return false; | ||||||||
6729 | return true; // Thumb2 T4 addw / subw | ||||||||
6730 | } | ||||||||
6731 | } | ||||||||
6732 | return false; | ||||||||
6733 | } | ||||||||
6734 | |||||||||
6735 | bool ARMAsmParser::shouldOmitPredicateOperand(StringRef Mnemonic, | ||||||||
6736 | OperandVector &Operands) { | ||||||||
6737 | // VRINT{Z, X} have a predicate operand in VFP, but not in NEON | ||||||||
6738 | unsigned RegIdx = 3; | ||||||||
6739 | if ((((Mnemonic == "vrintz" || Mnemonic == "vrintx") && !hasMVE()) || | ||||||||
6740 | Mnemonic == "vrintr") && | ||||||||
6741 | (static_cast<ARMOperand &>(*Operands[2]).getToken() == ".f32" || | ||||||||
6742 | static_cast<ARMOperand &>(*Operands[2]).getToken() == ".f16")) { | ||||||||
6743 | if (static_cast<ARMOperand &>(*Operands[3]).isToken() && | ||||||||
6744 | (static_cast<ARMOperand &>(*Operands[3]).getToken() == ".f32" || | ||||||||
6745 | static_cast<ARMOperand &>(*Operands[3]).getToken() == ".f16")) | ||||||||
6746 | RegIdx = 4; | ||||||||
6747 | |||||||||
6748 | if (static_cast<ARMOperand &>(*Operands[RegIdx]).isReg() && | ||||||||
6749 | (ARMMCRegisterClasses[ARM::DPRRegClassID].contains( | ||||||||
6750 | static_cast<ARMOperand &>(*Operands[RegIdx]).getReg()) || | ||||||||
6751 | ARMMCRegisterClasses[ARM::QPRRegClassID].contains( | ||||||||
6752 | static_cast<ARMOperand &>(*Operands[RegIdx]).getReg()))) | ||||||||
6753 | return true; | ||||||||
6754 | } | ||||||||
6755 | return false; | ||||||||
6756 | } | ||||||||
6757 | |||||||||
6758 | bool ARMAsmParser::shouldOmitVectorPredicateOperand(StringRef Mnemonic, | ||||||||
6759 | OperandVector &Operands) { | ||||||||
6760 | if (!hasMVE() || Operands.size() < 3) | ||||||||
6761 | return true; | ||||||||
6762 | |||||||||
6763 | if (Mnemonic.startswith("vld2") || Mnemonic.startswith("vld4") || | ||||||||
6764 | Mnemonic.startswith("vst2") || Mnemonic.startswith("vst4")) | ||||||||
6765 | return true; | ||||||||
6766 | |||||||||
6767 | if (Mnemonic.startswith("vctp") || Mnemonic.startswith("vpnot")) | ||||||||
6768 | return false; | ||||||||
6769 | |||||||||
6770 | if (Mnemonic.startswith("vmov") && | ||||||||
6771 | !(Mnemonic.startswith("vmovl") || Mnemonic.startswith("vmovn") || | ||||||||
6772 | Mnemonic.startswith("vmovx"))) { | ||||||||
6773 | for (auto &Operand : Operands) { | ||||||||
6774 | if (static_cast<ARMOperand &>(*Operand).isVectorIndex() || | ||||||||
6775 | ((*Operand).isReg() && | ||||||||
6776 | (ARMMCRegisterClasses[ARM::SPRRegClassID].contains( | ||||||||
6777 | (*Operand).getReg()) || | ||||||||
6778 | ARMMCRegisterClasses[ARM::DPRRegClassID].contains( | ||||||||
6779 | (*Operand).getReg())))) { | ||||||||
6780 | return true; | ||||||||
6781 | } | ||||||||
6782 | } | ||||||||
6783 | return false; | ||||||||
6784 | } else { | ||||||||
6785 | for (auto &Operand : Operands) { | ||||||||
6786 | // We check the larger class QPR instead of just the legal class | ||||||||
6787 | // MQPR, to more accurately report errors when using Q registers | ||||||||
6788 | // outside of the allowed range. | ||||||||
6789 | if (static_cast<ARMOperand &>(*Operand).isVectorIndex() || | ||||||||
6790 | (Operand->isReg() && | ||||||||
6791 | (ARMMCRegisterClasses[ARM::QPRRegClassID].contains( | ||||||||
6792 | Operand->getReg())))) | ||||||||
6793 | return false; | ||||||||
6794 | } | ||||||||
6795 | return true; | ||||||||
6796 | } | ||||||||
6797 | } | ||||||||
6798 | |||||||||
6799 | static bool isDataTypeToken(StringRef Tok) { | ||||||||
6800 | return Tok == ".8" || Tok == ".16" || Tok == ".32" || Tok == ".64" || | ||||||||
6801 | Tok == ".i8" || Tok == ".i16" || Tok == ".i32" || Tok == ".i64" || | ||||||||
6802 | Tok == ".u8" || Tok == ".u16" || Tok == ".u32" || Tok == ".u64" || | ||||||||
6803 | Tok == ".s8" || Tok == ".s16" || Tok == ".s32" || Tok == ".s64" || | ||||||||
6804 | Tok == ".p8" || Tok == ".p16" || Tok == ".f32" || Tok == ".f64" || | ||||||||
6805 | Tok == ".f" || Tok == ".d"; | ||||||||
6806 | } | ||||||||
6807 | |||||||||
6808 | // FIXME: This bit should probably be handled via an explicit match class | ||||||||
6809 | // in the .td files that matches the suffix instead of having it be | ||||||||
6810 | // a literal string token the way it is now. | ||||||||
6811 | static bool doesIgnoreDataTypeSuffix(StringRef Mnemonic, StringRef DT) { | ||||||||
6812 | return Mnemonic.startswith("vldm") || Mnemonic.startswith("vstm"); | ||||||||
6813 | } | ||||||||
6814 | |||||||||
6815 | static void applyMnemonicAliases(StringRef &Mnemonic, | ||||||||
6816 | const FeatureBitset &Features, | ||||||||
6817 | unsigned VariantID); | ||||||||
6818 | |||||||||
6819 | // The GNU assembler has aliases of ldrd and strd with the second register | ||||||||
6820 | // omitted. We don't have a way to do that in tablegen, so fix it up here. | ||||||||
6821 | // | ||||||||
6822 | // We have to be careful to not emit an invalid Rt2 here, because the rest of | ||||||||
6823 | // the assembly parser could then generate confusing diagnostics refering to | ||||||||
6824 | // it. If we do find anything that prevents us from doing the transformation we | ||||||||
6825 | // bail out, and let the assembly parser report an error on the instruction as | ||||||||
6826 | // it is written. | ||||||||
6827 | void ARMAsmParser::fixupGNULDRDAlias(StringRef Mnemonic, | ||||||||
6828 | OperandVector &Operands) { | ||||||||
6829 | if (Mnemonic != "ldrd" && Mnemonic != "strd") | ||||||||
6830 | return; | ||||||||
6831 | if (Operands.size() < 4) | ||||||||
6832 | return; | ||||||||
6833 | |||||||||
6834 | ARMOperand &Op2 = static_cast<ARMOperand &>(*Operands[2]); | ||||||||
6835 | ARMOperand &Op3 = static_cast<ARMOperand &>(*Operands[3]); | ||||||||
6836 | |||||||||
6837 | if (!Op2.isReg()) | ||||||||
6838 | return; | ||||||||
6839 | if (!Op3.isGPRMem()) | ||||||||
6840 | return; | ||||||||
6841 | |||||||||
6842 | const MCRegisterClass &GPR = MRI->getRegClass(ARM::GPRRegClassID); | ||||||||
6843 | if (!GPR.contains(Op2.getReg())) | ||||||||
6844 | return; | ||||||||
6845 | |||||||||
6846 | unsigned RtEncoding = MRI->getEncodingValue(Op2.getReg()); | ||||||||
6847 | if (!isThumb() && (RtEncoding & 1)) { | ||||||||
6848 | // In ARM mode, the registers must be from an aligned pair, this | ||||||||
6849 | // restriction does not apply in Thumb mode. | ||||||||
6850 | return; | ||||||||
6851 | } | ||||||||
6852 | if (Op2.getReg() == ARM::PC) | ||||||||
6853 | return; | ||||||||
6854 | unsigned PairedReg = GPR.getRegister(RtEncoding + 1); | ||||||||
6855 | if (!PairedReg || PairedReg == ARM::PC || | ||||||||
6856 | (PairedReg == ARM::SP && !hasV8Ops())) | ||||||||
6857 | return; | ||||||||
6858 | |||||||||
6859 | Operands.insert( | ||||||||
6860 | Operands.begin() + 3, | ||||||||
6861 | ARMOperand::CreateReg(PairedReg, Op2.getStartLoc(), Op2.getEndLoc())); | ||||||||
6862 | } | ||||||||
6863 | |||||||||
6864 | // Dual-register instruction have the following syntax: | ||||||||
6865 | // <mnemonic> <predicate>? <coproc>, <Rdest>, <Rdest+1>, <Rsrc>, ..., #imm | ||||||||
6866 | // This function tries to remove <Rdest+1> and replace <Rdest> with a pair | ||||||||
6867 | // operand. If the conversion fails an error is diagnosed, and the function | ||||||||
6868 | // returns true. | ||||||||
6869 | bool ARMAsmParser::CDEConvertDualRegOperand(StringRef Mnemonic, | ||||||||
6870 | OperandVector &Operands) { | ||||||||
6871 | assert(MS.isCDEDualRegInstr(Mnemonic))((MS.isCDEDualRegInstr(Mnemonic)) ? static_cast<void> ( 0) : __assert_fail ("MS.isCDEDualRegInstr(Mnemonic)", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 6871, __PRETTY_FUNCTION__)); | ||||||||
6872 | bool isPredicable = | ||||||||
6873 | Mnemonic == "cx1da" || Mnemonic == "cx2da" || Mnemonic == "cx3da"; | ||||||||
6874 | size_t NumPredOps = isPredicable ? 1 : 0; | ||||||||
6875 | |||||||||
6876 | if (Operands.size() <= 3 + NumPredOps) | ||||||||
6877 | return false; | ||||||||
6878 | |||||||||
6879 | StringRef Op2Diag( | ||||||||
6880 | "operand must be an even-numbered register in the range [r0, r10]"); | ||||||||
6881 | |||||||||
6882 | const MCParsedAsmOperand &Op2 = *Operands[2 + NumPredOps]; | ||||||||
6883 | if (!Op2.isReg()) | ||||||||
6884 | return Error(Op2.getStartLoc(), Op2Diag); | ||||||||
6885 | |||||||||
6886 | unsigned RNext; | ||||||||
6887 | unsigned RPair; | ||||||||
6888 | switch (Op2.getReg()) { | ||||||||
6889 | default: | ||||||||
6890 | return Error(Op2.getStartLoc(), Op2Diag); | ||||||||
6891 | case ARM::R0: | ||||||||
6892 | RNext = ARM::R1; | ||||||||
6893 | RPair = ARM::R0_R1; | ||||||||
6894 | break; | ||||||||
6895 | case ARM::R2: | ||||||||
6896 | RNext = ARM::R3; | ||||||||
6897 | RPair = ARM::R2_R3; | ||||||||
6898 | break; | ||||||||
6899 | case ARM::R4: | ||||||||
6900 | RNext = ARM::R5; | ||||||||
6901 | RPair = ARM::R4_R5; | ||||||||
6902 | break; | ||||||||
6903 | case ARM::R6: | ||||||||
6904 | RNext = ARM::R7; | ||||||||
6905 | RPair = ARM::R6_R7; | ||||||||
6906 | break; | ||||||||
6907 | case ARM::R8: | ||||||||
6908 | RNext = ARM::R9; | ||||||||
6909 | RPair = ARM::R8_R9; | ||||||||
6910 | break; | ||||||||
6911 | case ARM::R10: | ||||||||
6912 | RNext = ARM::R11; | ||||||||
6913 | RPair = ARM::R10_R11; | ||||||||
6914 | break; | ||||||||
6915 | } | ||||||||
6916 | |||||||||
6917 | const MCParsedAsmOperand &Op3 = *Operands[3 + NumPredOps]; | ||||||||
6918 | if (!Op3.isReg() || Op3.getReg() != RNext) | ||||||||
6919 | return Error(Op3.getStartLoc(), "operand must be a consecutive register"); | ||||||||
6920 | |||||||||
6921 | Operands.erase(Operands.begin() + 3 + NumPredOps); | ||||||||
6922 | Operands[2 + NumPredOps] = | ||||||||
6923 | ARMOperand::CreateReg(RPair, Op2.getStartLoc(), Op2.getEndLoc()); | ||||||||
6924 | return false; | ||||||||
6925 | } | ||||||||
6926 | |||||||||
6927 | /// Parse an arm instruction mnemonic followed by its operands. | ||||||||
6928 | bool ARMAsmParser::ParseInstruction(ParseInstructionInfo &Info, StringRef Name, | ||||||||
6929 | SMLoc NameLoc, OperandVector &Operands) { | ||||||||
6930 | MCAsmParser &Parser = getParser(); | ||||||||
6931 | |||||||||
6932 | // Apply mnemonic aliases before doing anything else, as the destination | ||||||||
6933 | // mnemonic may include suffices and we want to handle them normally. | ||||||||
6934 | // The generic tblgen'erated code does this later, at the start of | ||||||||
6935 | // MatchInstructionImpl(), but that's too late for aliases that include | ||||||||
6936 | // any sort of suffix. | ||||||||
6937 | const FeatureBitset &AvailableFeatures = getAvailableFeatures(); | ||||||||
6938 | unsigned AssemblerDialect = getParser().getAssemblerDialect(); | ||||||||
6939 | applyMnemonicAliases(Name, AvailableFeatures, AssemblerDialect); | ||||||||
6940 | |||||||||
6941 | // First check for the ARM-specific .req directive. | ||||||||
6942 | if (Parser.getTok().is(AsmToken::Identifier) && | ||||||||
6943 | Parser.getTok().getIdentifier().lower() == ".req") { | ||||||||
6944 | parseDirectiveReq(Name, NameLoc); | ||||||||
6945 | // We always return 'error' for this, as we're done with this | ||||||||
6946 | // statement and don't need to match the 'instruction." | ||||||||
6947 | return true; | ||||||||
6948 | } | ||||||||
6949 | |||||||||
6950 | // Create the leading tokens for the mnemonic, split by '.' characters. | ||||||||
6951 | size_t Start = 0, Next = Name.find('.'); | ||||||||
6952 | StringRef Mnemonic = Name.slice(Start, Next); | ||||||||
6953 | StringRef ExtraToken = Name.slice(Next, Name.find(' ', Next + 1)); | ||||||||
6954 | |||||||||
6955 | // Split out the predication code and carry setting flag from the mnemonic. | ||||||||
6956 | unsigned PredicationCode; | ||||||||
6957 | unsigned VPTPredicationCode; | ||||||||
6958 | unsigned ProcessorIMod; | ||||||||
6959 | bool CarrySetting; | ||||||||
6960 | StringRef ITMask; | ||||||||
6961 | Mnemonic = splitMnemonic(Mnemonic, ExtraToken, PredicationCode, VPTPredicationCode, | ||||||||
6962 | CarrySetting, ProcessorIMod, ITMask); | ||||||||
6963 | |||||||||
6964 | // In Thumb1, only the branch (B) instruction can be predicated. | ||||||||
6965 | if (isThumbOne() && PredicationCode != ARMCC::AL && Mnemonic != "b") { | ||||||||
6966 | return Error(NameLoc, "conditional execution not supported in Thumb1"); | ||||||||
6967 | } | ||||||||
6968 | |||||||||
6969 | Operands.push_back(ARMOperand::CreateToken(Mnemonic, NameLoc)); | ||||||||
6970 | |||||||||
6971 | // Handle the mask for IT and VPT instructions. In ARMOperand and | ||||||||
6972 | // MCOperand, this is stored in a format independent of the | ||||||||
6973 | // condition code: the lowest set bit indicates the end of the | ||||||||
6974 | // encoding, and above that, a 1 bit indicates 'else', and an 0 | ||||||||
6975 | // indicates 'then'. E.g. | ||||||||
6976 | // IT -> 1000 | ||||||||
6977 | // ITx -> x100 (ITT -> 0100, ITE -> 1100) | ||||||||
6978 | // ITxy -> xy10 (e.g. ITET -> 1010) | ||||||||
6979 | // ITxyz -> xyz1 (e.g. ITEET -> 1101) | ||||||||
6980 | if (Mnemonic == "it" || Mnemonic.startswith("vpt") || | ||||||||
6981 | Mnemonic.startswith("vpst")) { | ||||||||
6982 | SMLoc Loc = Mnemonic == "it" ? SMLoc::getFromPointer(NameLoc.getPointer() + 2) : | ||||||||
6983 | Mnemonic == "vpt" ? SMLoc::getFromPointer(NameLoc.getPointer() + 3) : | ||||||||
6984 | SMLoc::getFromPointer(NameLoc.getPointer() + 4); | ||||||||
6985 | if (ITMask.size() > 3) { | ||||||||
6986 | if (Mnemonic == "it") | ||||||||
6987 | return Error(Loc, "too many conditions on IT instruction"); | ||||||||
6988 | return Error(Loc, "too many conditions on VPT instruction"); | ||||||||
6989 | } | ||||||||
6990 | unsigned Mask = 8; | ||||||||
6991 | for (unsigned i = ITMask.size(); i != 0; --i) { | ||||||||
6992 | char pos = ITMask[i - 1]; | ||||||||
6993 | if (pos != 't' && pos != 'e') { | ||||||||
6994 | return Error(Loc, "illegal IT block condition mask '" + ITMask + "'"); | ||||||||
6995 | } | ||||||||
6996 | Mask >>= 1; | ||||||||
6997 | if (ITMask[i - 1] == 'e') | ||||||||
6998 | Mask |= 8; | ||||||||
6999 | } | ||||||||
7000 | Operands.push_back(ARMOperand::CreateITMask(Mask, Loc)); | ||||||||
7001 | } | ||||||||
7002 | |||||||||
7003 | // FIXME: This is all a pretty gross hack. We should automatically handle | ||||||||
7004 | // optional operands like this via tblgen. | ||||||||
7005 | |||||||||
7006 | // Next, add the CCOut and ConditionCode operands, if needed. | ||||||||
7007 | // | ||||||||
7008 | // For mnemonics which can ever incorporate a carry setting bit or predication | ||||||||
7009 | // code, our matching model involves us always generating CCOut and | ||||||||
7010 | // ConditionCode operands to match the mnemonic "as written" and then we let | ||||||||
7011 | // the matcher deal with finding the right instruction or generating an | ||||||||
7012 | // appropriate error. | ||||||||
7013 | bool CanAcceptCarrySet, CanAcceptPredicationCode, CanAcceptVPTPredicationCode; | ||||||||
7014 | getMnemonicAcceptInfo(Mnemonic, ExtraToken, Name, CanAcceptCarrySet, | ||||||||
7015 | CanAcceptPredicationCode, CanAcceptVPTPredicationCode); | ||||||||
7016 | |||||||||
7017 | // If we had a carry-set on an instruction that can't do that, issue an | ||||||||
7018 | // error. | ||||||||
7019 | if (!CanAcceptCarrySet && CarrySetting) { | ||||||||
7020 | return Error(NameLoc, "instruction '" + Mnemonic + | ||||||||
7021 | "' can not set flags, but 's' suffix specified"); | ||||||||
7022 | } | ||||||||
7023 | // If we had a predication code on an instruction that can't do that, issue an | ||||||||
7024 | // error. | ||||||||
7025 | if (!CanAcceptPredicationCode && PredicationCode != ARMCC::AL) { | ||||||||
7026 | return Error(NameLoc, "instruction '" + Mnemonic + | ||||||||
7027 | "' is not predicable, but condition code specified"); | ||||||||
7028 | } | ||||||||
7029 | |||||||||
7030 | // If we had a VPT predication code on an instruction that can't do that, issue an | ||||||||
7031 | // error. | ||||||||
7032 | if (!CanAcceptVPTPredicationCode && VPTPredicationCode != ARMVCC::None) { | ||||||||
7033 | return Error(NameLoc, "instruction '" + Mnemonic + | ||||||||
7034 | "' is not VPT predicable, but VPT code T/E is specified"); | ||||||||
7035 | } | ||||||||
7036 | |||||||||
7037 | // Add the carry setting operand, if necessary. | ||||||||
7038 | if (CanAcceptCarrySet) { | ||||||||
7039 | SMLoc Loc = SMLoc::getFromPointer(NameLoc.getPointer() + Mnemonic.size()); | ||||||||
7040 | Operands.push_back(ARMOperand::CreateCCOut(CarrySetting ? ARM::CPSR : 0, | ||||||||
7041 | Loc)); | ||||||||
7042 | } | ||||||||
7043 | |||||||||
7044 | // Add the predication code operand, if necessary. | ||||||||
7045 | if (CanAcceptPredicationCode) { | ||||||||
7046 | SMLoc Loc = SMLoc::getFromPointer(NameLoc.getPointer() + Mnemonic.size() + | ||||||||
7047 | CarrySetting); | ||||||||
7048 | Operands.push_back(ARMOperand::CreateCondCode( | ||||||||
7049 | ARMCC::CondCodes(PredicationCode), Loc)); | ||||||||
7050 | } | ||||||||
7051 | |||||||||
7052 | // Add the VPT predication code operand, if necessary. | ||||||||
7053 | // FIXME: We don't add them for the instructions filtered below as these can | ||||||||
7054 | // have custom operands which need special parsing. This parsing requires | ||||||||
7055 | // the operand to be in the same place in the OperandVector as their | ||||||||
7056 | // definition in tblgen. Since these instructions may also have the | ||||||||
7057 | // scalar predication operand we do not add the vector one and leave until | ||||||||
7058 | // now to fix it up. | ||||||||
7059 | if (CanAcceptVPTPredicationCode && Mnemonic != "vmov" && | ||||||||
7060 | !Mnemonic.startswith("vcmp") && | ||||||||
7061 | !(Mnemonic.startswith("vcvt") && Mnemonic != "vcvta" && | ||||||||
7062 | Mnemonic != "vcvtn" && Mnemonic != "vcvtp" && Mnemonic != "vcvtm")) { | ||||||||
7063 | SMLoc Loc = SMLoc::getFromPointer(NameLoc.getPointer() + Mnemonic.size() + | ||||||||
7064 | CarrySetting); | ||||||||
7065 | Operands.push_back(ARMOperand::CreateVPTPred( | ||||||||
7066 | ARMVCC::VPTCodes(VPTPredicationCode), Loc)); | ||||||||
7067 | } | ||||||||
7068 | |||||||||
7069 | // Add the processor imod operand, if necessary. | ||||||||
7070 | if (ProcessorIMod) { | ||||||||
7071 | Operands.push_back(ARMOperand::CreateImm( | ||||||||
7072 | MCConstantExpr::create(ProcessorIMod, getContext()), | ||||||||
7073 | NameLoc, NameLoc)); | ||||||||
7074 | } else if (Mnemonic == "cps" && isMClass()) { | ||||||||
7075 | return Error(NameLoc, "instruction 'cps' requires effect for M-class"); | ||||||||
7076 | } | ||||||||
7077 | |||||||||
7078 | // Add the remaining tokens in the mnemonic. | ||||||||
7079 | while (Next != StringRef::npos) { | ||||||||
7080 | Start = Next; | ||||||||
7081 | Next = Name.find('.', Start + 1); | ||||||||
7082 | ExtraToken = Name.slice(Start, Next); | ||||||||
7083 | |||||||||
7084 | // Some NEON instructions have an optional datatype suffix that is | ||||||||
7085 | // completely ignored. Check for that. | ||||||||
7086 | if (isDataTypeToken(ExtraToken) && | ||||||||
7087 | doesIgnoreDataTypeSuffix(Mnemonic, ExtraToken)) | ||||||||
7088 | continue; | ||||||||
7089 | |||||||||
7090 | // For for ARM mode generate an error if the .n qualifier is used. | ||||||||
7091 | if (ExtraToken == ".n" && !isThumb()) { | ||||||||
7092 | SMLoc Loc = SMLoc::getFromPointer(NameLoc.getPointer() + Start); | ||||||||
7093 | return Error(Loc, "instruction with .n (narrow) qualifier not allowed in " | ||||||||
7094 | "arm mode"); | ||||||||
7095 | } | ||||||||
7096 | |||||||||
7097 | // The .n qualifier is always discarded as that is what the tables | ||||||||
7098 | // and matcher expect. In ARM mode the .w qualifier has no effect, | ||||||||
7099 | // so discard it to avoid errors that can be caused by the matcher. | ||||||||
7100 | if (ExtraToken != ".n" && (isThumb() || ExtraToken != ".w")) { | ||||||||
7101 | SMLoc Loc = SMLoc::getFromPointer(NameLoc.getPointer() + Start); | ||||||||
7102 | Operands.push_back(ARMOperand::CreateToken(ExtraToken, Loc)); | ||||||||
7103 | } | ||||||||
7104 | } | ||||||||
7105 | |||||||||
7106 | // Read the remaining operands. | ||||||||
7107 | if (getLexer().isNot(AsmToken::EndOfStatement)) { | ||||||||
7108 | // Read the first operand. | ||||||||
7109 | if (parseOperand(Operands, Mnemonic)) { | ||||||||
7110 | return true; | ||||||||
7111 | } | ||||||||
7112 | |||||||||
7113 | while (parseOptionalToken(AsmToken::Comma)) { | ||||||||
7114 | // Parse and remember the operand. | ||||||||
7115 | if (parseOperand(Operands, Mnemonic)) { | ||||||||
7116 | return true; | ||||||||
7117 | } | ||||||||
7118 | } | ||||||||
7119 | } | ||||||||
7120 | |||||||||
7121 | if (parseToken(AsmToken::EndOfStatement, "unexpected token in argument list")) | ||||||||
7122 | return true; | ||||||||
7123 | |||||||||
7124 | tryConvertingToTwoOperandForm(Mnemonic, CarrySetting, Operands); | ||||||||
7125 | |||||||||
7126 | if (hasCDE() && MS.isCDEInstr(Mnemonic)) { | ||||||||
7127 | // Dual-register instructions use even-odd register pairs as their | ||||||||
7128 | // destination operand, in assembly such pair is spelled as two | ||||||||
7129 | // consecutive registers, without any special syntax. ConvertDualRegOperand | ||||||||
7130 | // tries to convert such operand into register pair, e.g. r2, r3 -> r2_r3. | ||||||||
7131 | // It returns true, if an error message has been emitted. If the function | ||||||||
7132 | // returns false, the function either succeeded or an error (e.g. missing | ||||||||
7133 | // operand) will be diagnosed elsewhere. | ||||||||
7134 | if (MS.isCDEDualRegInstr(Mnemonic)) { | ||||||||
7135 | bool GotError = CDEConvertDualRegOperand(Mnemonic, Operands); | ||||||||
7136 | if (GotError) | ||||||||
7137 | return GotError; | ||||||||
7138 | } | ||||||||
7139 | } | ||||||||
7140 | |||||||||
7141 | // Some instructions, mostly Thumb, have forms for the same mnemonic that | ||||||||
7142 | // do and don't have a cc_out optional-def operand. With some spot-checks | ||||||||
7143 | // of the operand list, we can figure out which variant we're trying to | ||||||||
7144 | // parse and adjust accordingly before actually matching. We shouldn't ever | ||||||||
7145 | // try to remove a cc_out operand that was explicitly set on the | ||||||||
7146 | // mnemonic, of course (CarrySetting == true). Reason number #317 the | ||||||||
7147 | // table driven matcher doesn't fit well with the ARM instruction set. | ||||||||
7148 | if (!CarrySetting && shouldOmitCCOutOperand(Mnemonic, Operands)) | ||||||||
7149 | Operands.erase(Operands.begin() + 1); | ||||||||
7150 | |||||||||
7151 | // Some instructions have the same mnemonic, but don't always | ||||||||
7152 | // have a predicate. Distinguish them here and delete the | ||||||||
7153 | // appropriate predicate if needed. This could be either the scalar | ||||||||
7154 | // predication code or the vector predication code. | ||||||||
7155 | if (PredicationCode == ARMCC::AL && | ||||||||
7156 | shouldOmitPredicateOperand(Mnemonic, Operands)) | ||||||||
7157 | Operands.erase(Operands.begin() + 1); | ||||||||
7158 | |||||||||
7159 | |||||||||
7160 | if (hasMVE()) { | ||||||||
7161 | if (!shouldOmitVectorPredicateOperand(Mnemonic, Operands) && | ||||||||
7162 | Mnemonic == "vmov" && PredicationCode == ARMCC::LT) { | ||||||||
7163 | // Very nasty hack to deal with the vector predicated variant of vmovlt | ||||||||
7164 | // the scalar predicated vmov with condition 'lt'. We can not tell them | ||||||||
7165 | // apart until we have parsed their operands. | ||||||||
7166 | Operands.erase(Operands.begin() + 1); | ||||||||
7167 | Operands.erase(Operands.begin()); | ||||||||
7168 | SMLoc MLoc = SMLoc::getFromPointer(NameLoc.getPointer()); | ||||||||
7169 | SMLoc PLoc = SMLoc::getFromPointer(NameLoc.getPointer() + | ||||||||
7170 | Mnemonic.size() - 1 + CarrySetting); | ||||||||
7171 | Operands.insert(Operands.begin(), | ||||||||
7172 | ARMOperand::CreateVPTPred(ARMVCC::None, PLoc)); | ||||||||
7173 | Operands.insert(Operands.begin(), | ||||||||
7174 | ARMOperand::CreateToken(StringRef("vmovlt"), MLoc)); | ||||||||
7175 | } else if (Mnemonic == "vcvt" && PredicationCode == ARMCC::NE && | ||||||||
7176 | !shouldOmitVectorPredicateOperand(Mnemonic, Operands)) { | ||||||||
7177 | // Another nasty hack to deal with the ambiguity between vcvt with scalar | ||||||||
7178 | // predication 'ne' and vcvtn with vector predication 'e'. As above we | ||||||||
7179 | // can only distinguish between the two after we have parsed their | ||||||||
7180 | // operands. | ||||||||
7181 | Operands.erase(Operands.begin() + 1); | ||||||||
7182 | Operands.erase(Operands.begin()); | ||||||||
7183 | SMLoc MLoc = SMLoc::getFromPointer(NameLoc.getPointer()); | ||||||||
7184 | SMLoc PLoc = SMLoc::getFromPointer(NameLoc.getPointer() + | ||||||||
7185 | Mnemonic.size() - 1 + CarrySetting); | ||||||||
7186 | Operands.insert(Operands.begin(), | ||||||||
7187 | ARMOperand::CreateVPTPred(ARMVCC::Else, PLoc)); | ||||||||
7188 | Operands.insert(Operands.begin(), | ||||||||
7189 | ARMOperand::CreateToken(StringRef("vcvtn"), MLoc)); | ||||||||
7190 | } else if (Mnemonic == "vmul" && PredicationCode == ARMCC::LT && | ||||||||
7191 | !shouldOmitVectorPredicateOperand(Mnemonic, Operands)) { | ||||||||
7192 | // Another hack, this time to distinguish between scalar predicated vmul | ||||||||
7193 | // with 'lt' predication code and the vector instruction vmullt with | ||||||||
7194 | // vector predication code "none" | ||||||||
7195 | Operands.erase(Operands.begin() + 1); | ||||||||
7196 | Operands.erase(Operands.begin()); | ||||||||
7197 | SMLoc MLoc = SMLoc::getFromPointer(NameLoc.getPointer()); | ||||||||
7198 | Operands.insert(Operands.begin(), | ||||||||
7199 | ARMOperand::CreateToken(StringRef("vmullt"), MLoc)); | ||||||||
7200 | } | ||||||||
7201 | // For vmov and vcmp, as mentioned earlier, we did not add the vector | ||||||||
7202 | // predication code, since these may contain operands that require | ||||||||
7203 | // special parsing. So now we have to see if they require vector | ||||||||
7204 | // predication and replace the scalar one with the vector predication | ||||||||
7205 | // operand if that is the case. | ||||||||
7206 | else if (Mnemonic == "vmov" || Mnemonic.startswith("vcmp") || | ||||||||
7207 | (Mnemonic.startswith("vcvt") && !Mnemonic.startswith("vcvta") && | ||||||||
7208 | !Mnemonic.startswith("vcvtn") && !Mnemonic.startswith("vcvtp") && | ||||||||
7209 | !Mnemonic.startswith("vcvtm"))) { | ||||||||
7210 | if (!shouldOmitVectorPredicateOperand(Mnemonic, Operands)) { | ||||||||
7211 | // We could not split the vector predicate off vcvt because it might | ||||||||
7212 | // have been the scalar vcvtt instruction. Now we know its a vector | ||||||||
7213 | // instruction, we still need to check whether its the vector | ||||||||
7214 | // predicated vcvt with 'Then' predication or the vector vcvtt. We can | ||||||||
7215 | // distinguish the two based on the suffixes, if it is any of | ||||||||
7216 | // ".f16.f32", ".f32.f16", ".f16.f64" or ".f64.f16" then it is the vcvtt. | ||||||||
7217 | if (Mnemonic.startswith("vcvtt") && Operands.size() >= 4) { | ||||||||
7218 | auto Sz1 = static_cast<ARMOperand &>(*Operands[2]); | ||||||||
7219 | auto Sz2 = static_cast<ARMOperand &>(*Operands[3]); | ||||||||
7220 | if (!(Sz1.isToken() && Sz1.getToken().startswith(".f") && | ||||||||
7221 | Sz2.isToken() && Sz2.getToken().startswith(".f"))) { | ||||||||
7222 | Operands.erase(Operands.begin()); | ||||||||
7223 | SMLoc MLoc = SMLoc::getFromPointer(NameLoc.getPointer()); | ||||||||
7224 | VPTPredicationCode = ARMVCC::Then; | ||||||||
7225 | |||||||||
7226 | Mnemonic = Mnemonic.substr(0, 4); | ||||||||
7227 | Operands.insert(Operands.begin(), | ||||||||
7228 | ARMOperand::CreateToken(Mnemonic, MLoc)); | ||||||||
7229 | } | ||||||||
7230 | } | ||||||||
7231 | Operands.erase(Operands.begin() + 1); | ||||||||
7232 | SMLoc PLoc = SMLoc::getFromPointer(NameLoc.getPointer() + | ||||||||
7233 | Mnemonic.size() + CarrySetting); | ||||||||
7234 | Operands.insert(Operands.begin() + 1, | ||||||||
7235 | ARMOperand::CreateVPTPred( | ||||||||
7236 | ARMVCC::VPTCodes(VPTPredicationCode), PLoc)); | ||||||||
7237 | } | ||||||||
7238 | } else if (CanAcceptVPTPredicationCode) { | ||||||||
7239 | // For all other instructions, make sure only one of the two | ||||||||
7240 | // predication operands is left behind, depending on whether we should | ||||||||
7241 | // use the vector predication. | ||||||||
7242 | if (shouldOmitVectorPredicateOperand(Mnemonic, Operands)) { | ||||||||
7243 | if (CanAcceptPredicationCode) | ||||||||
7244 | Operands.erase(Operands.begin() + 2); | ||||||||
7245 | else | ||||||||
7246 | Operands.erase(Operands.begin() + 1); | ||||||||
7247 | } else if (CanAcceptPredicationCode && PredicationCode == ARMCC::AL) { | ||||||||
7248 | Operands.erase(Operands.begin() + 1); | ||||||||
7249 | } | ||||||||
7250 | } | ||||||||
7251 | } | ||||||||
7252 | |||||||||
7253 | if (VPTPredicationCode != ARMVCC::None) { | ||||||||
7254 | bool usedVPTPredicationCode = false; | ||||||||
7255 | for (unsigned I = 1; I < Operands.size(); ++I) | ||||||||
7256 | if (static_cast<ARMOperand &>(*Operands[I]).isVPTPred()) | ||||||||
7257 | usedVPTPredicationCode = true; | ||||||||
7258 | if (!usedVPTPredicationCode) { | ||||||||
7259 | // If we have a VPT predication code and we haven't just turned it | ||||||||
7260 | // into an operand, then it was a mistake for splitMnemonic to | ||||||||
7261 | // separate it from the rest of the mnemonic in the first place, | ||||||||
7262 | // and this may lead to wrong disassembly (e.g. scalar floating | ||||||||
7263 | // point VCMPE is actually a different instruction from VCMP, so | ||||||||
7264 | // we mustn't treat them the same). In that situation, glue it | ||||||||
7265 | // back on. | ||||||||
7266 | Mnemonic = Name.slice(0, Mnemonic.size() + 1); | ||||||||
7267 | Operands.erase(Operands.begin()); | ||||||||
7268 | Operands.insert(Operands.begin(), | ||||||||
7269 | ARMOperand::CreateToken(Mnemonic, NameLoc)); | ||||||||
7270 | } | ||||||||
7271 | } | ||||||||
7272 | |||||||||
7273 | // ARM mode 'blx' need special handling, as the register operand version | ||||||||
7274 | // is predicable, but the label operand version is not. So, we can't rely | ||||||||
7275 | // on the Mnemonic based checking to correctly figure out when to put | ||||||||
7276 | // a k_CondCode operand in the list. If we're trying to match the label | ||||||||
7277 | // version, remove the k_CondCode operand here. | ||||||||
7278 | if (!isThumb() && Mnemonic == "blx" && Operands.size() == 3 && | ||||||||
7279 | static_cast<ARMOperand &>(*Operands[2]).isImm()) | ||||||||
7280 | Operands.erase(Operands.begin() + 1); | ||||||||
7281 | |||||||||
7282 | // Adjust operands of ldrexd/strexd to MCK_GPRPair. | ||||||||
7283 | // ldrexd/strexd require even/odd GPR pair. To enforce this constraint, | ||||||||
7284 | // a single GPRPair reg operand is used in the .td file to replace the two | ||||||||
7285 | // GPRs. However, when parsing from asm, the two GRPs cannot be | ||||||||
7286 | // automatically | ||||||||
7287 | // expressed as a GPRPair, so we have to manually merge them. | ||||||||
7288 | // FIXME: We would really like to be able to tablegen'erate this. | ||||||||
7289 | if (!isThumb() && Operands.size() > 4 && | ||||||||
7290 | (Mnemonic == "ldrexd" || Mnemonic == "strexd" || Mnemonic == "ldaexd" || | ||||||||
7291 | Mnemonic == "stlexd")) { | ||||||||
7292 | bool isLoad = (Mnemonic == "ldrexd" || Mnemonic == "ldaexd"); | ||||||||
7293 | unsigned Idx = isLoad ? 2 : 3; | ||||||||
7294 | ARMOperand &Op1 = static_cast<ARMOperand &>(*Operands[Idx]); | ||||||||
7295 | ARMOperand &Op2 = static_cast<ARMOperand &>(*Operands[Idx + 1]); | ||||||||
7296 | |||||||||
7297 | const MCRegisterClass &MRC = MRI->getRegClass(ARM::GPRRegClassID); | ||||||||
7298 | // Adjust only if Op1 and Op2 are GPRs. | ||||||||
7299 | if (Op1.isReg() && Op2.isReg() && MRC.contains(Op1.getReg()) && | ||||||||
7300 | MRC.contains(Op2.getReg())) { | ||||||||
7301 | unsigned Reg1 = Op1.getReg(); | ||||||||
7302 | unsigned Reg2 = Op2.getReg(); | ||||||||
7303 | unsigned Rt = MRI->getEncodingValue(Reg1); | ||||||||
7304 | unsigned Rt2 = MRI->getEncodingValue(Reg2); | ||||||||
7305 | |||||||||
7306 | // Rt2 must be Rt + 1 and Rt must be even. | ||||||||
7307 | if (Rt + 1 != Rt2 || (Rt & 1)) { | ||||||||
7308 | return Error(Op2.getStartLoc(), | ||||||||
7309 | isLoad ? "destination operands must be sequential" | ||||||||
7310 | : "source operands must be sequential"); | ||||||||
7311 | } | ||||||||
7312 | unsigned NewReg = MRI->getMatchingSuperReg( | ||||||||
7313 | Reg1, ARM::gsub_0, &(MRI->getRegClass(ARM::GPRPairRegClassID))); | ||||||||
7314 | Operands[Idx] = | ||||||||
7315 | ARMOperand::CreateReg(NewReg, Op1.getStartLoc(), Op2.getEndLoc()); | ||||||||
7316 | Operands.erase(Operands.begin() + Idx + 1); | ||||||||
7317 | } | ||||||||
7318 | } | ||||||||
7319 | |||||||||
7320 | // GNU Assembler extension (compatibility). | ||||||||
7321 | fixupGNULDRDAlias(Mnemonic, Operands); | ||||||||
7322 | |||||||||
7323 | // FIXME: As said above, this is all a pretty gross hack. This instruction | ||||||||
7324 | // does not fit with other "subs" and tblgen. | ||||||||
7325 | // Adjust operands of B9.3.19 SUBS PC, LR, #imm (Thumb2) system instruction | ||||||||
7326 | // so the Mnemonic is the original name "subs" and delete the predicate | ||||||||
7327 | // operand so it will match the table entry. | ||||||||
7328 | if (isThumbTwo() && Mnemonic == "sub" && Operands.size() == 6 && | ||||||||
7329 | static_cast<ARMOperand &>(*Operands[3]).isReg() && | ||||||||
7330 | static_cast<ARMOperand &>(*Operands[3]).getReg() == ARM::PC && | ||||||||
7331 | static_cast<ARMOperand &>(*Operands[4]).isReg() && | ||||||||
7332 | static_cast<ARMOperand &>(*Operands[4]).getReg() == ARM::LR && | ||||||||
7333 | static_cast<ARMOperand &>(*Operands[5]).isImm()) { | ||||||||
7334 | Operands.front() = ARMOperand::CreateToken(Name, NameLoc); | ||||||||
7335 | Operands.erase(Operands.begin() + 1); | ||||||||
7336 | } | ||||||||
7337 | return false; | ||||||||
7338 | } | ||||||||
7339 | |||||||||
7340 | // Validate context-sensitive operand constraints. | ||||||||
7341 | |||||||||
7342 | // return 'true' if register list contains non-low GPR registers, | ||||||||
7343 | // 'false' otherwise. If Reg is in the register list or is HiReg, set | ||||||||
7344 | // 'containsReg' to true. | ||||||||
7345 | static bool checkLowRegisterList(const MCInst &Inst, unsigned OpNo, | ||||||||
7346 | unsigned Reg, unsigned HiReg, | ||||||||
7347 | bool &containsReg) { | ||||||||
7348 | containsReg = false; | ||||||||
7349 | for (unsigned i = OpNo; i < Inst.getNumOperands(); ++i) { | ||||||||
7350 | unsigned OpReg = Inst.getOperand(i).getReg(); | ||||||||
7351 | if (OpReg == Reg) | ||||||||
7352 | containsReg = true; | ||||||||
7353 | // Anything other than a low register isn't legal here. | ||||||||
7354 | if (!isARMLowRegister(OpReg) && (!HiReg || OpReg != HiReg)) | ||||||||
7355 | return true; | ||||||||
7356 | } | ||||||||
7357 | return false; | ||||||||
7358 | } | ||||||||
7359 | |||||||||
7360 | // Check if the specified regisgter is in the register list of the inst, | ||||||||
7361 | // starting at the indicated operand number. | ||||||||
7362 | static bool listContainsReg(const MCInst &Inst, unsigned OpNo, unsigned Reg) { | ||||||||
7363 | for (unsigned i = OpNo, e = Inst.getNumOperands(); i < e; ++i) { | ||||||||
7364 | unsigned OpReg = Inst.getOperand(i).getReg(); | ||||||||
7365 | if (OpReg == Reg) | ||||||||
7366 | return true; | ||||||||
7367 | } | ||||||||
7368 | return false; | ||||||||
7369 | } | ||||||||
7370 | |||||||||
7371 | // Return true if instruction has the interesting property of being | ||||||||
7372 | // allowed in IT blocks, but not being predicable. | ||||||||
7373 | static bool instIsBreakpoint(const MCInst &Inst) { | ||||||||
7374 | return Inst.getOpcode() == ARM::tBKPT || | ||||||||
7375 | Inst.getOpcode() == ARM::BKPT || | ||||||||
7376 | Inst.getOpcode() == ARM::tHLT || | ||||||||
7377 | Inst.getOpcode() == ARM::HLT; | ||||||||
7378 | } | ||||||||
7379 | |||||||||
7380 | bool ARMAsmParser::validatetLDMRegList(const MCInst &Inst, | ||||||||
7381 | const OperandVector &Operands, | ||||||||
7382 | unsigned ListNo, bool IsARPop) { | ||||||||
7383 | const ARMOperand &Op = static_cast<const ARMOperand &>(*Operands[ListNo]); | ||||||||
7384 | bool HasWritebackToken = Op.isToken() && Op.getToken() == "!"; | ||||||||
7385 | |||||||||
7386 | bool ListContainsSP = listContainsReg(Inst, ListNo, ARM::SP); | ||||||||
7387 | bool ListContainsLR = listContainsReg(Inst, ListNo, ARM::LR); | ||||||||
7388 | bool ListContainsPC = listContainsReg(Inst, ListNo, ARM::PC); | ||||||||
7389 | |||||||||
7390 | if (!IsARPop && ListContainsSP) | ||||||||
7391 | return Error(Operands[ListNo + HasWritebackToken]->getStartLoc(), | ||||||||
7392 | "SP may not be in the register list"); | ||||||||
7393 | else if (ListContainsPC && ListContainsLR) | ||||||||
7394 | return Error(Operands[ListNo + HasWritebackToken]->getStartLoc(), | ||||||||
7395 | "PC and LR may not be in the register list simultaneously"); | ||||||||
7396 | return false; | ||||||||
7397 | } | ||||||||
7398 | |||||||||
7399 | bool ARMAsmParser::validatetSTMRegList(const MCInst &Inst, | ||||||||
7400 | const OperandVector &Operands, | ||||||||
7401 | unsigned ListNo) { | ||||||||
7402 | const ARMOperand &Op = static_cast<const ARMOperand &>(*Operands[ListNo]); | ||||||||
7403 | bool HasWritebackToken = Op.isToken() && Op.getToken() == "!"; | ||||||||
7404 | |||||||||
7405 | bool ListContainsSP = listContainsReg(Inst, ListNo, ARM::SP); | ||||||||
7406 | bool ListContainsPC = listContainsReg(Inst, ListNo, ARM::PC); | ||||||||
7407 | |||||||||
7408 | if (ListContainsSP && ListContainsPC) | ||||||||
7409 | return Error(Operands[ListNo + HasWritebackToken]->getStartLoc(), | ||||||||
7410 | "SP and PC may not be in the register list"); | ||||||||
7411 | else if (ListContainsSP) | ||||||||
7412 | return Error(Operands[ListNo + HasWritebackToken]->getStartLoc(), | ||||||||
7413 | "SP may not be in the register list"); | ||||||||
7414 | else if (ListContainsPC) | ||||||||
7415 | return Error(Operands[ListNo + HasWritebackToken]->getStartLoc(), | ||||||||
7416 | "PC may not be in the register list"); | ||||||||
7417 | return false; | ||||||||
7418 | } | ||||||||
7419 | |||||||||
7420 | bool ARMAsmParser::validateLDRDSTRD(MCInst &Inst, | ||||||||
7421 | const OperandVector &Operands, | ||||||||
7422 | bool Load, bool ARMMode, bool Writeback) { | ||||||||
7423 | unsigned RtIndex = Load || !Writeback ? 0 : 1; | ||||||||
7424 | unsigned Rt = MRI->getEncodingValue(Inst.getOperand(RtIndex).getReg()); | ||||||||
7425 | unsigned Rt2 = MRI->getEncodingValue(Inst.getOperand(RtIndex + 1).getReg()); | ||||||||
7426 | |||||||||
7427 | if (ARMMode) { | ||||||||
7428 | // Rt can't be R14. | ||||||||
7429 | if (Rt == 14) | ||||||||
7430 | return Error(Operands[3]->getStartLoc(), | ||||||||
7431 | "Rt can't be R14"); | ||||||||
7432 | |||||||||
7433 | // Rt must be even-numbered. | ||||||||
7434 | if ((Rt & 1) == 1) | ||||||||
7435 | return Error(Operands[3]->getStartLoc(), | ||||||||
7436 | "Rt must be even-numbered"); | ||||||||
7437 | |||||||||
7438 | // Rt2 must be Rt + 1. | ||||||||
7439 | if (Rt2 != Rt + 1) { | ||||||||
7440 | if (Load) | ||||||||
7441 | return Error(Operands[3]->getStartLoc(), | ||||||||
7442 | "destination operands must be sequential"); | ||||||||
7443 | else | ||||||||
7444 | return Error(Operands[3]->getStartLoc(), | ||||||||
7445 | "source operands must be sequential"); | ||||||||
7446 | } | ||||||||
7447 | |||||||||
7448 | // FIXME: Diagnose m == 15 | ||||||||
7449 | // FIXME: Diagnose ldrd with m == t || m == t2. | ||||||||
7450 | } | ||||||||
7451 | |||||||||
7452 | if (!ARMMode && Load) { | ||||||||
7453 | if (Rt2 == Rt) | ||||||||
7454 | return Error(Operands[3]->getStartLoc(), | ||||||||
7455 | "destination operands can't be identical"); | ||||||||
7456 | } | ||||||||
7457 | |||||||||
7458 | if (Writeback) { | ||||||||
7459 | unsigned Rn = MRI->getEncodingValue(Inst.getOperand(3).getReg()); | ||||||||
7460 | |||||||||
7461 | if (Rn == Rt || Rn == Rt2) { | ||||||||
7462 | if (Load) | ||||||||
7463 | return Error(Operands[3]->getStartLoc(), | ||||||||
7464 | "base register needs to be different from destination " | ||||||||
7465 | "registers"); | ||||||||
7466 | else | ||||||||
7467 | return Error(Operands[3]->getStartLoc(), | ||||||||
7468 | "source register and base register can't be identical"); | ||||||||
7469 | } | ||||||||
7470 | |||||||||
7471 | // FIXME: Diagnose ldrd/strd with writeback and n == 15. | ||||||||
7472 | // (Except the immediate form of ldrd?) | ||||||||
7473 | } | ||||||||
7474 | |||||||||
7475 | return false; | ||||||||
7476 | } | ||||||||
7477 | |||||||||
7478 | static int findFirstVectorPredOperandIdx(const MCInstrDesc &MCID) { | ||||||||
7479 | for (unsigned i = 0; i < MCID.NumOperands; ++i) { | ||||||||
7480 | if (ARM::isVpred(MCID.OpInfo[i].OperandType)) | ||||||||
7481 | return i; | ||||||||
7482 | } | ||||||||
7483 | return -1; | ||||||||
7484 | } | ||||||||
7485 | |||||||||
7486 | static bool isVectorPredicable(const MCInstrDesc &MCID) { | ||||||||
7487 | return findFirstVectorPredOperandIdx(MCID) != -1; | ||||||||
7488 | } | ||||||||
7489 | |||||||||
7490 | // FIXME: We would really like to be able to tablegen'erate this. | ||||||||
7491 | bool ARMAsmParser::validateInstruction(MCInst &Inst, | ||||||||
7492 | const OperandVector &Operands) { | ||||||||
7493 | const MCInstrDesc &MCID = MII.get(Inst.getOpcode()); | ||||||||
7494 | SMLoc Loc = Operands[0]->getStartLoc(); | ||||||||
7495 | |||||||||
7496 | // Check the IT block state first. | ||||||||
7497 | // NOTE: BKPT and HLT instructions have the interesting property of being | ||||||||
7498 | // allowed in IT blocks, but not being predicable. They just always execute. | ||||||||
7499 | if (inITBlock() && !instIsBreakpoint(Inst)) { | ||||||||
7500 | // The instruction must be predicable. | ||||||||
7501 | if (!MCID.isPredicable()) | ||||||||
7502 | return Error(Loc, "instructions in IT block must be predicable"); | ||||||||
7503 | ARMCC::CondCodes Cond = ARMCC::CondCodes( | ||||||||
7504 | Inst.getOperand(MCID.findFirstPredOperandIdx()).getImm()); | ||||||||
7505 | if (Cond != currentITCond()) { | ||||||||
7506 | // Find the condition code Operand to get its SMLoc information. | ||||||||
7507 | SMLoc CondLoc; | ||||||||
7508 | for (unsigned I = 1; I < Operands.size(); ++I) | ||||||||
7509 | if (static_cast<ARMOperand &>(*Operands[I]).isCondCode()) | ||||||||
7510 | CondLoc = Operands[I]->getStartLoc(); | ||||||||
7511 | return Error(CondLoc, "incorrect condition in IT block; got '" + | ||||||||
7512 | StringRef(ARMCondCodeToString(Cond)) + | ||||||||
7513 | "', but expected '" + | ||||||||
7514 | ARMCondCodeToString(currentITCond()) + "'"); | ||||||||
7515 | } | ||||||||
7516 | // Check for non-'al' condition codes outside of the IT block. | ||||||||
7517 | } else if (isThumbTwo() && MCID.isPredicable() && | ||||||||
7518 | Inst.getOperand(MCID.findFirstPredOperandIdx()).getImm() != | ||||||||
7519 | ARMCC::AL && Inst.getOpcode() != ARM::tBcc && | ||||||||
7520 | Inst.getOpcode() != ARM::t2Bcc && | ||||||||
7521 | Inst.getOpcode() != ARM::t2BFic) { | ||||||||
7522 | return Error(Loc, "predicated instructions must be in IT block"); | ||||||||
7523 | } else if (!isThumb() && !useImplicitITARM() && MCID.isPredicable() && | ||||||||
7524 | Inst.getOperand(MCID.findFirstPredOperandIdx()).getImm() != | ||||||||
7525 | ARMCC::AL) { | ||||||||
7526 | return Warning(Loc, "predicated instructions should be in IT block"); | ||||||||
7527 | } else if (!MCID.isPredicable()) { | ||||||||
7528 | // Check the instruction doesn't have a predicate operand anyway | ||||||||
7529 | // that it's not allowed to use. Sometimes this happens in order | ||||||||
7530 | // to keep instructions the same shape even though one cannot | ||||||||
7531 | // legally be predicated, e.g. vmul.f16 vs vmul.f32. | ||||||||
7532 | for (unsigned i = 0, e = MCID.getNumOperands(); i != e; ++i) { | ||||||||
7533 | if (MCID.OpInfo[i].isPredicate()) { | ||||||||
7534 | if (Inst.getOperand(i).getImm() != ARMCC::AL) | ||||||||
7535 | return Error(Loc, "instruction is not predicable"); | ||||||||
7536 | break; | ||||||||
7537 | } | ||||||||
7538 | } | ||||||||
7539 | } | ||||||||
7540 | |||||||||
7541 | // PC-setting instructions in an IT block, but not the last instruction of | ||||||||
7542 | // the block, are UNPREDICTABLE. | ||||||||
7543 | if (inExplicitITBlock() && !lastInITBlock() && isITBlockTerminator(Inst)) { | ||||||||
7544 | return Error(Loc, "instruction must be outside of IT block or the last instruction in an IT block"); | ||||||||
7545 | } | ||||||||
7546 | |||||||||
7547 | if (inVPTBlock() && !instIsBreakpoint(Inst)) { | ||||||||
7548 | unsigned Bit = extractITMaskBit(VPTState.Mask, VPTState.CurPosition); | ||||||||
7549 | if (!isVectorPredicable(MCID)) | ||||||||
7550 | return Error(Loc, "instruction in VPT block must be predicable"); | ||||||||
7551 | unsigned Pred = Inst.getOperand(findFirstVectorPredOperandIdx(MCID)).getImm(); | ||||||||
7552 | unsigned VPTPred = Bit ? ARMVCC::Else : ARMVCC::Then; | ||||||||
7553 | if (Pred != VPTPred) { | ||||||||
7554 | SMLoc PredLoc; | ||||||||
7555 | for (unsigned I = 1; I < Operands.size(); ++I) | ||||||||
7556 | if (static_cast<ARMOperand &>(*Operands[I]).isVPTPred()) | ||||||||
7557 | PredLoc = Operands[I]->getStartLoc(); | ||||||||
7558 | return Error(PredLoc, "incorrect predication in VPT block; got '" + | ||||||||
7559 | StringRef(ARMVPTPredToString(ARMVCC::VPTCodes(Pred))) + | ||||||||
7560 | "', but expected '" + | ||||||||
7561 | ARMVPTPredToString(ARMVCC::VPTCodes(VPTPred)) + "'"); | ||||||||
7562 | } | ||||||||
7563 | } | ||||||||
7564 | else if (isVectorPredicable(MCID) && | ||||||||
7565 | Inst.getOperand(findFirstVectorPredOperandIdx(MCID)).getImm() != | ||||||||
7566 | ARMVCC::None) | ||||||||
7567 | return Error(Loc, "VPT predicated instructions must be in VPT block"); | ||||||||
7568 | |||||||||
7569 | const unsigned Opcode = Inst.getOpcode(); | ||||||||
7570 | switch (Opcode) { | ||||||||
7571 | case ARM::t2IT: { | ||||||||
7572 | // Encoding is unpredictable if it ever results in a notional 'NV' | ||||||||
7573 | // predicate. Since we don't parse 'NV' directly this means an 'AL' | ||||||||
7574 | // predicate with an "else" mask bit. | ||||||||
7575 | unsigned Cond = Inst.getOperand(0).getImm(); | ||||||||
7576 | unsigned Mask = Inst.getOperand(1).getImm(); | ||||||||
7577 | |||||||||
7578 | // Conditions only allowing a 't' are those with no set bit except | ||||||||
7579 | // the lowest-order one that indicates the end of the sequence. In | ||||||||
7580 | // other words, powers of 2. | ||||||||
7581 | if (Cond == ARMCC::AL && countPopulation(Mask) != 1) | ||||||||
7582 | return Error(Loc, "unpredictable IT predicate sequence"); | ||||||||
7583 | break; | ||||||||
7584 | } | ||||||||
7585 | case ARM::LDRD: | ||||||||
7586 | if (validateLDRDSTRD(Inst, Operands, /*Load*/true, /*ARMMode*/true, | ||||||||
7587 | /*Writeback*/false)) | ||||||||
7588 | return true; | ||||||||
7589 | break; | ||||||||
7590 | case ARM::LDRD_PRE: | ||||||||
7591 | case ARM::LDRD_POST: | ||||||||
7592 | if (validateLDRDSTRD(Inst, Operands, /*Load*/true, /*ARMMode*/true, | ||||||||
7593 | /*Writeback*/true)) | ||||||||
7594 | return true; | ||||||||
7595 | break; | ||||||||
7596 | case ARM::t2LDRDi8: | ||||||||
7597 | if (validateLDRDSTRD(Inst, Operands, /*Load*/true, /*ARMMode*/false, | ||||||||
7598 | /*Writeback*/false)) | ||||||||
7599 | return true; | ||||||||
7600 | break; | ||||||||
7601 | case ARM::t2LDRD_PRE: | ||||||||
7602 | case ARM::t2LDRD_POST: | ||||||||
7603 | if (validateLDRDSTRD(Inst, Operands, /*Load*/true, /*ARMMode*/false, | ||||||||
7604 | /*Writeback*/true)) | ||||||||
7605 | return true; | ||||||||
7606 | break; | ||||||||
7607 | case ARM::t2BXJ: { | ||||||||
7608 | const unsigned RmReg = Inst.getOperand(0).getReg(); | ||||||||
7609 | // Rm = SP is no longer unpredictable in v8-A | ||||||||
7610 | if (RmReg == ARM::SP && !hasV8Ops()) | ||||||||
7611 | return Error(Operands[2]->getStartLoc(), | ||||||||
7612 | "r13 (SP) is an unpredictable operand to BXJ"); | ||||||||
7613 | return false; | ||||||||
7614 | } | ||||||||
7615 | case ARM::STRD: | ||||||||
7616 | if (validateLDRDSTRD(Inst, Operands, /*Load*/false, /*ARMMode*/true, | ||||||||
7617 | /*Writeback*/false)) | ||||||||
7618 | return true; | ||||||||
7619 | break; | ||||||||
7620 | case ARM::STRD_PRE: | ||||||||
7621 | case ARM::STRD_POST: | ||||||||
7622 | if (validateLDRDSTRD(Inst, Operands, /*Load*/false, /*ARMMode*/true, | ||||||||
7623 | /*Writeback*/true)) | ||||||||
7624 | return true; | ||||||||
7625 | break; | ||||||||
7626 | case ARM::t2STRD_PRE: | ||||||||
7627 | case ARM::t2STRD_POST: | ||||||||
7628 | if (validateLDRDSTRD(Inst, Operands, /*Load*/false, /*ARMMode*/false, | ||||||||
7629 | /*Writeback*/true)) | ||||||||
7630 | return true; | ||||||||
7631 | break; | ||||||||
7632 | case ARM::STR_PRE_IMM: | ||||||||
7633 | case ARM::STR_PRE_REG: | ||||||||
7634 | case ARM::t2STR_PRE: | ||||||||
7635 | case ARM::STR_POST_IMM: | ||||||||
7636 | case ARM::STR_POST_REG: | ||||||||
7637 | case ARM::t2STR_POST: | ||||||||
7638 | case ARM::STRH_PRE: | ||||||||
7639 | case ARM::t2STRH_PRE: | ||||||||
7640 | case ARM::STRH_POST: | ||||||||
7641 | case ARM::t2STRH_POST: | ||||||||
7642 | case ARM::STRB_PRE_IMM: | ||||||||
7643 | case ARM::STRB_PRE_REG: | ||||||||
7644 | case ARM::t2STRB_PRE: | ||||||||
7645 | case ARM::STRB_POST_IMM: | ||||||||
7646 | case ARM::STRB_POST_REG: | ||||||||
7647 | case ARM::t2STRB_POST: { | ||||||||
7648 | // Rt must be different from Rn. | ||||||||
7649 | const unsigned Rt = MRI->getEncodingValue(Inst.getOperand(1).getReg()); | ||||||||
7650 | const unsigned Rn = MRI->getEncodingValue(Inst.getOperand(2).getReg()); | ||||||||
7651 | |||||||||
7652 | if (Rt == Rn) | ||||||||
7653 | return Error(Operands[3]->getStartLoc(), | ||||||||
7654 | "source register and base register can't be identical"); | ||||||||
7655 | return false; | ||||||||
7656 | } | ||||||||
7657 | case ARM::LDR_PRE_IMM: | ||||||||
7658 | case ARM::LDR_PRE_REG: | ||||||||
7659 | case ARM::t2LDR_PRE: | ||||||||
7660 | case ARM::LDR_POST_IMM: | ||||||||
7661 | case ARM::LDR_POST_REG: | ||||||||
7662 | case ARM::t2LDR_POST: | ||||||||
7663 | case ARM::LDRH_PRE: | ||||||||
7664 | case ARM::t2LDRH_PRE: | ||||||||
7665 | case ARM::LDRH_POST: | ||||||||
7666 | case ARM::t2LDRH_POST: | ||||||||
7667 | case ARM::LDRSH_PRE: | ||||||||
7668 | case ARM::t2LDRSH_PRE: | ||||||||
7669 | case ARM::LDRSH_POST: | ||||||||
7670 | case ARM::t2LDRSH_POST: | ||||||||
7671 | case ARM::LDRB_PRE_IMM: | ||||||||
7672 | case ARM::LDRB_PRE_REG: | ||||||||
7673 | case ARM::t2LDRB_PRE: | ||||||||
7674 | case ARM::LDRB_POST_IMM: | ||||||||
7675 | case ARM::LDRB_POST_REG: | ||||||||
7676 | case ARM::t2LDRB_POST: | ||||||||
7677 | case ARM::LDRSB_PRE: | ||||||||
7678 | case ARM::t2LDRSB_PRE: | ||||||||
7679 | case ARM::LDRSB_POST: | ||||||||
7680 | case ARM::t2LDRSB_POST: { | ||||||||
7681 | // Rt must be different from Rn. | ||||||||
7682 | const unsigned Rt = MRI->getEncodingValue(Inst.getOperand(0).getReg()); | ||||||||
7683 | const unsigned Rn = MRI->getEncodingValue(Inst.getOperand(2).getReg()); | ||||||||
7684 | |||||||||
7685 | if (Rt == Rn) | ||||||||
7686 | return Error(Operands[3]->getStartLoc(), | ||||||||
7687 | "destination register and base register can't be identical"); | ||||||||
7688 | return false; | ||||||||
7689 | } | ||||||||
7690 | |||||||||
7691 | case ARM::MVE_VLDRBU8_rq: | ||||||||
7692 | case ARM::MVE_VLDRBU16_rq: | ||||||||
7693 | case ARM::MVE_VLDRBS16_rq: | ||||||||
7694 | case ARM::MVE_VLDRBU32_rq: | ||||||||
7695 | case ARM::MVE_VLDRBS32_rq: | ||||||||
7696 | case ARM::MVE_VLDRHU16_rq: | ||||||||
7697 | case ARM::MVE_VLDRHU16_rq_u: | ||||||||
7698 | case ARM::MVE_VLDRHU32_rq: | ||||||||
7699 | case ARM::MVE_VLDRHU32_rq_u: | ||||||||
7700 | case ARM::MVE_VLDRHS32_rq: | ||||||||
7701 | case ARM::MVE_VLDRHS32_rq_u: | ||||||||
7702 | case ARM::MVE_VLDRWU32_rq: | ||||||||
7703 | case ARM::MVE_VLDRWU32_rq_u: | ||||||||
7704 | case ARM::MVE_VLDRDU64_rq: | ||||||||
7705 | case ARM::MVE_VLDRDU64_rq_u: | ||||||||
7706 | case ARM::MVE_VLDRWU32_qi: | ||||||||
7707 | case ARM::MVE_VLDRWU32_qi_pre: | ||||||||
7708 | case ARM::MVE_VLDRDU64_qi: | ||||||||
7709 | case ARM::MVE_VLDRDU64_qi_pre: { | ||||||||
7710 | // Qd must be different from Qm. | ||||||||
7711 | unsigned QdIdx = 0, QmIdx = 2; | ||||||||
7712 | bool QmIsPointer = false; | ||||||||
7713 | switch (Opcode) { | ||||||||
7714 | case ARM::MVE_VLDRWU32_qi: | ||||||||
7715 | case ARM::MVE_VLDRDU64_qi: | ||||||||
7716 | QmIdx = 1; | ||||||||
7717 | QmIsPointer = true; | ||||||||
7718 | break; | ||||||||
7719 | case ARM::MVE_VLDRWU32_qi_pre: | ||||||||
7720 | case ARM::MVE_VLDRDU64_qi_pre: | ||||||||
7721 | QdIdx = 1; | ||||||||
7722 | QmIsPointer = true; | ||||||||
7723 | break; | ||||||||
7724 | } | ||||||||
7725 | |||||||||
7726 | const unsigned Qd = MRI->getEncodingValue(Inst.getOperand(QdIdx).getReg()); | ||||||||
7727 | const unsigned Qm = MRI->getEncodingValue(Inst.getOperand(QmIdx).getReg()); | ||||||||
7728 | |||||||||
7729 | if (Qd == Qm) { | ||||||||
7730 | return Error(Operands[3]->getStartLoc(), | ||||||||
7731 | Twine("destination vector register and vector ") + | ||||||||
7732 | (QmIsPointer ? "pointer" : "offset") + | ||||||||
7733 | " register can't be identical"); | ||||||||
7734 | } | ||||||||
7735 | return false; | ||||||||
7736 | } | ||||||||
7737 | |||||||||
7738 | case ARM::SBFX: | ||||||||
7739 | case ARM::t2SBFX: | ||||||||
7740 | case ARM::UBFX: | ||||||||
7741 | case ARM::t2UBFX: { | ||||||||
7742 | // Width must be in range [1, 32-lsb]. | ||||||||
7743 | unsigned LSB = Inst.getOperand(2).getImm(); | ||||||||
7744 | unsigned Widthm1 = Inst.getOperand(3).getImm(); | ||||||||
7745 | if (Widthm1 >= 32 - LSB) | ||||||||
7746 | return Error(Operands[5]->getStartLoc(), | ||||||||
7747 | "bitfield width must be in range [1,32-lsb]"); | ||||||||
7748 | return false; | ||||||||
7749 | } | ||||||||
7750 | // Notionally handles ARM::tLDMIA_UPD too. | ||||||||
7751 | case ARM::tLDMIA: { | ||||||||
7752 | // If we're parsing Thumb2, the .w variant is available and handles | ||||||||
7753 | // most cases that are normally illegal for a Thumb1 LDM instruction. | ||||||||
7754 | // We'll make the transformation in processInstruction() if necessary. | ||||||||
7755 | // | ||||||||
7756 | // Thumb LDM instructions are writeback iff the base register is not | ||||||||
7757 | // in the register list. | ||||||||
7758 | unsigned Rn = Inst.getOperand(0).getReg(); | ||||||||
7759 | bool HasWritebackToken = | ||||||||
7760 | (static_cast<ARMOperand &>(*Operands[3]).isToken() && | ||||||||
7761 | static_cast<ARMOperand &>(*Operands[3]).getToken() == "!"); | ||||||||
7762 | bool ListContainsBase; | ||||||||
7763 | if (checkLowRegisterList(Inst, 3, Rn, 0, ListContainsBase) && !isThumbTwo()) | ||||||||
7764 | return Error(Operands[3 + HasWritebackToken]->getStartLoc(), | ||||||||
7765 | "registers must be in range r0-r7"); | ||||||||
7766 | // If we should have writeback, then there should be a '!' token. | ||||||||
7767 | if (!ListContainsBase && !HasWritebackToken && !isThumbTwo()) | ||||||||
7768 | return Error(Operands[2]->getStartLoc(), | ||||||||
7769 | "writeback operator '!' expected"); | ||||||||
7770 | // If we should not have writeback, there must not be a '!'. This is | ||||||||
7771 | // true even for the 32-bit wide encodings. | ||||||||
7772 | if (ListContainsBase && HasWritebackToken) | ||||||||
7773 | return Error(Operands[3]->getStartLoc(), | ||||||||
7774 | "writeback operator '!' not allowed when base register " | ||||||||
7775 | "in register list"); | ||||||||
7776 | |||||||||
7777 | if (validatetLDMRegList(Inst, Operands, 3)) | ||||||||
7778 | return true; | ||||||||
7779 | break; | ||||||||
7780 | } | ||||||||
7781 | case ARM::LDMIA_UPD: | ||||||||
7782 | case ARM::LDMDB_UPD: | ||||||||
7783 | case ARM::LDMIB_UPD: | ||||||||
7784 | case ARM::LDMDA_UPD: | ||||||||
7785 | // ARM variants loading and updating the same register are only officially | ||||||||
7786 | // UNPREDICTABLE on v7 upwards. Goodness knows what they did before. | ||||||||
7787 | if (!hasV7Ops()) | ||||||||
7788 | break; | ||||||||
7789 | if (listContainsReg(Inst, 3, Inst.getOperand(0).getReg())) | ||||||||
7790 | return Error(Operands.back()->getStartLoc(), | ||||||||
7791 | "writeback register not allowed in register list"); | ||||||||
7792 | break; | ||||||||
7793 | case ARM::t2LDMIA: | ||||||||
7794 | case ARM::t2LDMDB: | ||||||||
7795 | if (validatetLDMRegList(Inst, Operands, 3)) | ||||||||
7796 | return true; | ||||||||
7797 | break; | ||||||||
7798 | case ARM::t2STMIA: | ||||||||
7799 | case ARM::t2STMDB: | ||||||||
7800 | if (validatetSTMRegList(Inst, Operands, 3)) | ||||||||
7801 | return true; | ||||||||
7802 | break; | ||||||||
7803 | case ARM::t2LDMIA_UPD: | ||||||||
7804 | case ARM::t2LDMDB_UPD: | ||||||||
7805 | case ARM::t2STMIA_UPD: | ||||||||
7806 | case ARM::t2STMDB_UPD: | ||||||||
7807 | if (listContainsReg(Inst, 3, Inst.getOperand(0).getReg())) | ||||||||
7808 | return Error(Operands.back()->getStartLoc(), | ||||||||
7809 | "writeback register not allowed in register list"); | ||||||||
7810 | |||||||||
7811 | if (Opcode == ARM::t2LDMIA_UPD || Opcode == ARM::t2LDMDB_UPD) { | ||||||||
7812 | if (validatetLDMRegList(Inst, Operands, 3)) | ||||||||
7813 | return true; | ||||||||
7814 | } else { | ||||||||
7815 | if (validatetSTMRegList(Inst, Operands, 3)) | ||||||||
7816 | return true; | ||||||||
7817 | } | ||||||||
7818 | break; | ||||||||
7819 | |||||||||
7820 | case ARM::sysLDMIA_UPD: | ||||||||
7821 | case ARM::sysLDMDA_UPD: | ||||||||
7822 | case ARM::sysLDMDB_UPD: | ||||||||
7823 | case ARM::sysLDMIB_UPD: | ||||||||
7824 | if (!listContainsReg(Inst, 3, ARM::PC)) | ||||||||
7825 | return Error(Operands[4]->getStartLoc(), | ||||||||
7826 | "writeback register only allowed on system LDM " | ||||||||
7827 | "if PC in register-list"); | ||||||||
7828 | break; | ||||||||
7829 | case ARM::sysSTMIA_UPD: | ||||||||
7830 | case ARM::sysSTMDA_UPD: | ||||||||
7831 | case ARM::sysSTMDB_UPD: | ||||||||
7832 | case ARM::sysSTMIB_UPD: | ||||||||
7833 | return Error(Operands[2]->getStartLoc(), | ||||||||
7834 | "system STM cannot have writeback register"); | ||||||||
7835 | case ARM::tMUL: | ||||||||
7836 | // The second source operand must be the same register as the destination | ||||||||
7837 | // operand. | ||||||||
7838 | // | ||||||||
7839 | // In this case, we must directly check the parsed operands because the | ||||||||
7840 | // cvtThumbMultiply() function is written in such a way that it guarantees | ||||||||
7841 | // this first statement is always true for the new Inst. Essentially, the | ||||||||
7842 | // destination is unconditionally copied into the second source operand | ||||||||
7843 | // without checking to see if it matches what we actually parsed. | ||||||||
7844 | if (Operands.size() == 6 && (((ARMOperand &)*Operands[3]).getReg() != | ||||||||
7845 | ((ARMOperand &)*Operands[5]).getReg()) && | ||||||||
7846 | (((ARMOperand &)*Operands[3]).getReg() != | ||||||||
7847 | ((ARMOperand &)*Operands[4]).getReg())) { | ||||||||
7848 | return Error(Operands[3]->getStartLoc(), | ||||||||
7849 | "destination register must match source register"); | ||||||||
7850 | } | ||||||||
7851 | break; | ||||||||
7852 | |||||||||
7853 | // Like for ldm/stm, push and pop have hi-reg handling version in Thumb2, | ||||||||
7854 | // so only issue a diagnostic for thumb1. The instructions will be | ||||||||
7855 | // switched to the t2 encodings in processInstruction() if necessary. | ||||||||
7856 | case ARM::tPOP: { | ||||||||
7857 | bool ListContainsBase; | ||||||||
7858 | if (checkLowRegisterList(Inst, 2, 0, ARM::PC, ListContainsBase) && | ||||||||
7859 | !isThumbTwo()) | ||||||||
7860 | return Error(Operands[2]->getStartLoc(), | ||||||||
7861 | "registers must be in range r0-r7 or pc"); | ||||||||
7862 | if (validatetLDMRegList(Inst, Operands, 2, !isMClass())) | ||||||||
7863 | return true; | ||||||||
7864 | break; | ||||||||
7865 | } | ||||||||
7866 | case ARM::tPUSH: { | ||||||||
7867 | bool ListContainsBase; | ||||||||
7868 | if (checkLowRegisterList(Inst, 2, 0, ARM::LR, ListContainsBase) && | ||||||||
7869 | !isThumbTwo()) | ||||||||
7870 | return Error(Operands[2]->getStartLoc(), | ||||||||
7871 | "registers must be in range r0-r7 or lr"); | ||||||||
7872 | if (validatetSTMRegList(Inst, Operands, 2)) | ||||||||
7873 | return true; | ||||||||
7874 | break; | ||||||||
7875 | } | ||||||||
7876 | case ARM::tSTMIA_UPD: { | ||||||||
7877 | bool ListContainsBase, InvalidLowList; | ||||||||
7878 | InvalidLowList = checkLowRegisterList(Inst, 4, Inst.getOperand(0).getReg(), | ||||||||
7879 | 0, ListContainsBase); | ||||||||
7880 | if (InvalidLowList && !isThumbTwo()) | ||||||||
7881 | return Error(Operands[4]->getStartLoc(), | ||||||||
7882 | "registers must be in range r0-r7"); | ||||||||
7883 | |||||||||
7884 | // This would be converted to a 32-bit stm, but that's not valid if the | ||||||||
7885 | // writeback register is in the list. | ||||||||
7886 | if (InvalidLowList && ListContainsBase) | ||||||||
7887 | return Error(Operands[4]->getStartLoc(), | ||||||||
7888 | "writeback operator '!' not allowed when base register " | ||||||||
7889 | "in register list"); | ||||||||
7890 | |||||||||
7891 | if (validatetSTMRegList(Inst, Operands, 4)) | ||||||||
7892 | return true; | ||||||||
7893 | break; | ||||||||
7894 | } | ||||||||
7895 | case ARM::tADDrSP: | ||||||||
7896 | // If the non-SP source operand and the destination operand are not the | ||||||||
7897 | // same, we need thumb2 (for the wide encoding), or we have an error. | ||||||||
7898 | if (!isThumbTwo() && | ||||||||
7899 | Inst.getOperand(0).getReg() != Inst.getOperand(2).getReg()) { | ||||||||
7900 | return Error(Operands[4]->getStartLoc(), | ||||||||
7901 | "source register must be the same as destination"); | ||||||||
7902 | } | ||||||||
7903 | break; | ||||||||
7904 | |||||||||
7905 | case ARM::t2ADDrr: | ||||||||
7906 | case ARM::t2ADDrs: | ||||||||
7907 | case ARM::t2SUBrr: | ||||||||
7908 | case ARM::t2SUBrs: | ||||||||
7909 | if (Inst.getOperand(0).getReg() == ARM::SP && | ||||||||
7910 | Inst.getOperand(1).getReg() != ARM::SP) | ||||||||
7911 | return Error(Operands[4]->getStartLoc(), | ||||||||
7912 | "source register must be sp if destination is sp"); | ||||||||
7913 | break; | ||||||||
7914 | |||||||||
7915 | // Final range checking for Thumb unconditional branch instructions. | ||||||||
7916 | case ARM::tB: | ||||||||
7917 | if (!(static_cast<ARMOperand &>(*Operands[2])).isSignedOffset<11, 1>()) | ||||||||
7918 | return Error(Operands[2]->getStartLoc(), "branch target out of range"); | ||||||||
7919 | break; | ||||||||
7920 | case ARM::t2B: { | ||||||||
7921 | int op = (Operands[2]->isImm()) ? 2 : 3; | ||||||||
7922 | if (!static_cast<ARMOperand &>(*Operands[op]).isSignedOffset<24, 1>()) | ||||||||
7923 | return Error(Operands[op]->getStartLoc(), "branch target out of range"); | ||||||||
7924 | break; | ||||||||
7925 | } | ||||||||
7926 | // Final range checking for Thumb conditional branch instructions. | ||||||||
7927 | case ARM::tBcc: | ||||||||
7928 | if (!static_cast<ARMOperand &>(*Operands[2]).isSignedOffset<8, 1>()) | ||||||||
7929 | return Error(Operands[2]->getStartLoc(), "branch target out of range"); | ||||||||
7930 | break; | ||||||||
7931 | case ARM::t2Bcc: { | ||||||||
7932 | int Op = (Operands[2]->isImm()) ? 2 : 3; | ||||||||
7933 | if (!static_cast<ARMOperand &>(*Operands[Op]).isSignedOffset<20, 1>()) | ||||||||
7934 | return Error(Operands[Op]->getStartLoc(), "branch target out of range"); | ||||||||
7935 | break; | ||||||||
7936 | } | ||||||||
7937 | case ARM::tCBZ: | ||||||||
7938 | case ARM::tCBNZ: { | ||||||||
7939 | if (!static_cast<ARMOperand &>(*Operands[2]).isUnsignedOffset<6, 1>()) | ||||||||
7940 | return Error(Operands[2]->getStartLoc(), "branch target out of range"); | ||||||||
7941 | break; | ||||||||
7942 | } | ||||||||
7943 | case ARM::MOVi16: | ||||||||
7944 | case ARM::MOVTi16: | ||||||||
7945 | case ARM::t2MOVi16: | ||||||||
7946 | case ARM::t2MOVTi16: | ||||||||
7947 | { | ||||||||
7948 | // We want to avoid misleadingly allowing something like "mov r0, <symbol>" | ||||||||
7949 | // especially when we turn it into a movw and the expression <symbol> does | ||||||||
7950 | // not have a :lower16: or :upper16 as part of the expression. We don't | ||||||||
7951 | // want the behavior of silently truncating, which can be unexpected and | ||||||||
7952 | // lead to bugs that are difficult to find since this is an easy mistake | ||||||||
7953 | // to make. | ||||||||
7954 | int i = (Operands[3]->isImm()) ? 3 : 4; | ||||||||
7955 | ARMOperand &Op = static_cast<ARMOperand &>(*Operands[i]); | ||||||||
7956 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Op.getImm()); | ||||||||
7957 | if (CE) break; | ||||||||
7958 | const MCExpr *E = dyn_cast<MCExpr>(Op.getImm()); | ||||||||
7959 | if (!E) break; | ||||||||
7960 | const ARMMCExpr *ARM16Expr = dyn_cast<ARMMCExpr>(E); | ||||||||
7961 | if (!ARM16Expr || (ARM16Expr->getKind() != ARMMCExpr::VK_ARM_HI16 && | ||||||||
7962 | ARM16Expr->getKind() != ARMMCExpr::VK_ARM_LO16)) | ||||||||
7963 | return Error( | ||||||||
7964 | Op.getStartLoc(), | ||||||||
7965 | "immediate expression for mov requires :lower16: or :upper16"); | ||||||||
7966 | break; | ||||||||
7967 | } | ||||||||
7968 | case ARM::HINT: | ||||||||
7969 | case ARM::t2HINT: { | ||||||||
7970 | unsigned Imm8 = Inst.getOperand(0).getImm(); | ||||||||
7971 | unsigned Pred = Inst.getOperand(1).getImm(); | ||||||||
7972 | // ESB is not predicable (pred must be AL). Without the RAS extension, this | ||||||||
7973 | // behaves as any other unallocated hint. | ||||||||
7974 | if (Imm8 == 0x10 && Pred != ARMCC::AL && hasRAS()) | ||||||||
7975 | return Error(Operands[1]->getStartLoc(), "instruction 'esb' is not " | ||||||||
7976 | "predicable, but condition " | ||||||||
7977 | "code specified"); | ||||||||
7978 | if (Imm8 == 0x14 && Pred != ARMCC::AL) | ||||||||
7979 | return Error(Operands[1]->getStartLoc(), "instruction 'csdb' is not " | ||||||||
7980 | "predicable, but condition " | ||||||||
7981 | "code specified"); | ||||||||
7982 | break; | ||||||||
7983 | } | ||||||||
7984 | case ARM::t2BFi: | ||||||||
7985 | case ARM::t2BFr: | ||||||||
7986 | case ARM::t2BFLi: | ||||||||
7987 | case ARM::t2BFLr: { | ||||||||
7988 | if (!static_cast<ARMOperand &>(*Operands[2]).isUnsignedOffset<4, 1>() || | ||||||||
7989 | (Inst.getOperand(0).isImm() && Inst.getOperand(0).getImm() == 0)) | ||||||||
7990 | return Error(Operands[2]->getStartLoc(), | ||||||||
7991 | "branch location out of range or not a multiple of 2"); | ||||||||
7992 | |||||||||
7993 | if (Opcode == ARM::t2BFi) { | ||||||||
7994 | if (!static_cast<ARMOperand &>(*Operands[3]).isSignedOffset<16, 1>()) | ||||||||
7995 | return Error(Operands[3]->getStartLoc(), | ||||||||
7996 | "branch target out of range or not a multiple of 2"); | ||||||||
7997 | } else if (Opcode == ARM::t2BFLi) { | ||||||||
7998 | if (!static_cast<ARMOperand &>(*Operands[3]).isSignedOffset<18, 1>()) | ||||||||
7999 | return Error(Operands[3]->getStartLoc(), | ||||||||
8000 | "branch target out of range or not a multiple of 2"); | ||||||||
8001 | } | ||||||||
8002 | break; | ||||||||
8003 | } | ||||||||
8004 | case ARM::t2BFic: { | ||||||||
8005 | if (!static_cast<ARMOperand &>(*Operands[1]).isUnsignedOffset<4, 1>() || | ||||||||
8006 | (Inst.getOperand(0).isImm() && Inst.getOperand(0).getImm() == 0)) | ||||||||
8007 | return Error(Operands[1]->getStartLoc(), | ||||||||
8008 | "branch location out of range or not a multiple of 2"); | ||||||||
8009 | |||||||||
8010 | if (!static_cast<ARMOperand &>(*Operands[2]).isSignedOffset<16, 1>()) | ||||||||
8011 | return Error(Operands[2]->getStartLoc(), | ||||||||
8012 | "branch target out of range or not a multiple of 2"); | ||||||||
8013 | |||||||||
8014 | assert(Inst.getOperand(0).isImm() == Inst.getOperand(2).isImm() &&((Inst.getOperand(0).isImm() == Inst.getOperand(2).isImm() && "branch location and else branch target should either both be " "immediates or both labels") ? static_cast<void> (0) : __assert_fail ("Inst.getOperand(0).isImm() == Inst.getOperand(2).isImm() && \"branch location and else branch target should either both be \" \"immediates or both labels\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 8016, __PRETTY_FUNCTION__)) | ||||||||
8015 | "branch location and else branch target should either both be "((Inst.getOperand(0).isImm() == Inst.getOperand(2).isImm() && "branch location and else branch target should either both be " "immediates or both labels") ? static_cast<void> (0) : __assert_fail ("Inst.getOperand(0).isImm() == Inst.getOperand(2).isImm() && \"branch location and else branch target should either both be \" \"immediates or both labels\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 8016, __PRETTY_FUNCTION__)) | ||||||||
8016 | "immediates or both labels")((Inst.getOperand(0).isImm() == Inst.getOperand(2).isImm() && "branch location and else branch target should either both be " "immediates or both labels") ? static_cast<void> (0) : __assert_fail ("Inst.getOperand(0).isImm() == Inst.getOperand(2).isImm() && \"branch location and else branch target should either both be \" \"immediates or both labels\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 8016, __PRETTY_FUNCTION__)); | ||||||||
8017 | |||||||||
8018 | if (Inst.getOperand(0).isImm() && Inst.getOperand(2).isImm()) { | ||||||||
8019 | int Diff = Inst.getOperand(2).getImm() - Inst.getOperand(0).getImm(); | ||||||||
8020 | if (Diff != 4 && Diff != 2) | ||||||||
8021 | return Error( | ||||||||
8022 | Operands[3]->getStartLoc(), | ||||||||
8023 | "else branch target must be 2 or 4 greater than the branch location"); | ||||||||
8024 | } | ||||||||
8025 | break; | ||||||||
8026 | } | ||||||||
8027 | case ARM::t2CLRM: { | ||||||||
8028 | for (unsigned i = 2; i < Inst.getNumOperands(); i++) { | ||||||||
8029 | if (Inst.getOperand(i).isReg() && | ||||||||
8030 | !ARMMCRegisterClasses[ARM::GPRwithAPSRnospRegClassID].contains( | ||||||||
8031 | Inst.getOperand(i).getReg())) { | ||||||||
8032 | return Error(Operands[2]->getStartLoc(), | ||||||||
8033 | "invalid register in register list. Valid registers are " | ||||||||
8034 | "r0-r12, lr/r14 and APSR."); | ||||||||
8035 | } | ||||||||
8036 | } | ||||||||
8037 | break; | ||||||||
8038 | } | ||||||||
8039 | case ARM::DSB: | ||||||||
8040 | case ARM::t2DSB: { | ||||||||
8041 | |||||||||
8042 | if (Inst.getNumOperands() < 2) | ||||||||
8043 | break; | ||||||||
8044 | |||||||||
8045 | unsigned Option = Inst.getOperand(0).getImm(); | ||||||||
8046 | unsigned Pred = Inst.getOperand(1).getImm(); | ||||||||
8047 | |||||||||
8048 | // SSBB and PSSBB (DSB #0|#4) are not predicable (pred must be AL). | ||||||||
8049 | if (Option == 0 && Pred != ARMCC::AL) | ||||||||
8050 | return Error(Operands[1]->getStartLoc(), | ||||||||
8051 | "instruction 'ssbb' is not predicable, but condition code " | ||||||||
8052 | "specified"); | ||||||||
8053 | if (Option == 4 && Pred != ARMCC::AL) | ||||||||
8054 | return Error(Operands[1]->getStartLoc(), | ||||||||
8055 | "instruction 'pssbb' is not predicable, but condition code " | ||||||||
8056 | "specified"); | ||||||||
8057 | break; | ||||||||
8058 | } | ||||||||
8059 | case ARM::VMOVRRS: { | ||||||||
8060 | // Source registers must be sequential. | ||||||||
8061 | const unsigned Sm = MRI->getEncodingValue(Inst.getOperand(2).getReg()); | ||||||||
8062 | const unsigned Sm1 = MRI->getEncodingValue(Inst.getOperand(3).getReg()); | ||||||||
8063 | if (Sm1 != Sm + 1) | ||||||||
8064 | return Error(Operands[5]->getStartLoc(), | ||||||||
8065 | "source operands must be sequential"); | ||||||||
8066 | break; | ||||||||
8067 | } | ||||||||
8068 | case ARM::VMOVSRR: { | ||||||||
8069 | // Destination registers must be sequential. | ||||||||
8070 | const unsigned Sm = MRI->getEncodingValue(Inst.getOperand(0).getReg()); | ||||||||
8071 | const unsigned Sm1 = MRI->getEncodingValue(Inst.getOperand(1).getReg()); | ||||||||
8072 | if (Sm1 != Sm + 1) | ||||||||
8073 | return Error(Operands[3]->getStartLoc(), | ||||||||
8074 | "destination operands must be sequential"); | ||||||||
8075 | break; | ||||||||
8076 | } | ||||||||
8077 | case ARM::VLDMDIA: | ||||||||
8078 | case ARM::VSTMDIA: { | ||||||||
8079 | ARMOperand &Op = static_cast<ARMOperand&>(*Operands[3]); | ||||||||
8080 | auto &RegList = Op.getRegList(); | ||||||||
8081 | if (RegList.size() < 1 || RegList.size() > 16) | ||||||||
8082 | return Error(Operands[3]->getStartLoc(), | ||||||||
8083 | "list of registers must be at least 1 and at most 16"); | ||||||||
8084 | break; | ||||||||
8085 | } | ||||||||
8086 | case ARM::MVE_VQDMULLs32bh: | ||||||||
8087 | case ARM::MVE_VQDMULLs32th: | ||||||||
8088 | case ARM::MVE_VCMULf32: | ||||||||
8089 | case ARM::MVE_VMULLBs32: | ||||||||
8090 | case ARM::MVE_VMULLTs32: | ||||||||
8091 | case ARM::MVE_VMULLBu32: | ||||||||
8092 | case ARM::MVE_VMULLTu32: { | ||||||||
8093 | if (Operands[3]->getReg() == Operands[4]->getReg()) { | ||||||||
8094 | return Error (Operands[3]->getStartLoc(), | ||||||||
8095 | "Qd register and Qn register can't be identical"); | ||||||||
8096 | } | ||||||||
8097 | if (Operands[3]->getReg() == Operands[5]->getReg()) { | ||||||||
8098 | return Error (Operands[3]->getStartLoc(), | ||||||||
8099 | "Qd register and Qm register can't be identical"); | ||||||||
8100 | } | ||||||||
8101 | break; | ||||||||
8102 | } | ||||||||
8103 | case ARM::MVE_VMOV_rr_q: { | ||||||||
8104 | if (Operands[4]->getReg() != Operands[6]->getReg()) | ||||||||
8105 | return Error (Operands[4]->getStartLoc(), "Q-registers must be the same"); | ||||||||
8106 | if (static_cast<ARMOperand &>(*Operands[5]).getVectorIndex() != | ||||||||
8107 | static_cast<ARMOperand &>(*Operands[7]).getVectorIndex() + 2) | ||||||||
8108 | return Error (Operands[5]->getStartLoc(), "Q-register indexes must be 2 and 0 or 3 and 1"); | ||||||||
8109 | break; | ||||||||
8110 | } | ||||||||
8111 | case ARM::MVE_VMOV_q_rr: { | ||||||||
8112 | if (Operands[2]->getReg() != Operands[4]->getReg()) | ||||||||
8113 | return Error (Operands[2]->getStartLoc(), "Q-registers must be the same"); | ||||||||
8114 | if (static_cast<ARMOperand &>(*Operands[3]).getVectorIndex() != | ||||||||
8115 | static_cast<ARMOperand &>(*Operands[5]).getVectorIndex() + 2) | ||||||||
8116 | return Error (Operands[3]->getStartLoc(), "Q-register indexes must be 2 and 0 or 3 and 1"); | ||||||||
8117 | break; | ||||||||
8118 | } | ||||||||
8119 | case ARM::UMAAL: | ||||||||
8120 | case ARM::UMLAL: | ||||||||
8121 | case ARM::UMULL: | ||||||||
8122 | case ARM::t2UMAAL: | ||||||||
8123 | case ARM::t2UMLAL: | ||||||||
8124 | case ARM::t2UMULL: | ||||||||
8125 | case ARM::SMLAL: | ||||||||
8126 | case ARM::SMLALBB: | ||||||||
8127 | case ARM::SMLALBT: | ||||||||
8128 | case ARM::SMLALD: | ||||||||
8129 | case ARM::SMLALDX: | ||||||||
8130 | case ARM::SMLALTB: | ||||||||
8131 | case ARM::SMLALTT: | ||||||||
8132 | case ARM::SMLSLD: | ||||||||
8133 | case ARM::SMLSLDX: | ||||||||
8134 | case ARM::SMULL: | ||||||||
8135 | case ARM::t2SMLAL: | ||||||||
8136 | case ARM::t2SMLALBB: | ||||||||
8137 | case ARM::t2SMLALBT: | ||||||||
8138 | case ARM::t2SMLALD: | ||||||||
8139 | case ARM::t2SMLALDX: | ||||||||
8140 | case ARM::t2SMLALTB: | ||||||||
8141 | case ARM::t2SMLALTT: | ||||||||
8142 | case ARM::t2SMLSLD: | ||||||||
8143 | case ARM::t2SMLSLDX: | ||||||||
8144 | case ARM::t2SMULL: { | ||||||||
8145 | unsigned RdHi = Inst.getOperand(0).getReg(); | ||||||||
8146 | unsigned RdLo = Inst.getOperand(1).getReg(); | ||||||||
8147 | if(RdHi == RdLo) { | ||||||||
8148 | return Error(Loc, | ||||||||
8149 | "unpredictable instruction, RdHi and RdLo must be different"); | ||||||||
8150 | } | ||||||||
8151 | break; | ||||||||
8152 | } | ||||||||
8153 | |||||||||
8154 | case ARM::CDE_CX1: | ||||||||
8155 | case ARM::CDE_CX1A: | ||||||||
8156 | case ARM::CDE_CX1D: | ||||||||
8157 | case ARM::CDE_CX1DA: | ||||||||
8158 | case ARM::CDE_CX2: | ||||||||
8159 | case ARM::CDE_CX2A: | ||||||||
8160 | case ARM::CDE_CX2D: | ||||||||
8161 | case ARM::CDE_CX2DA: | ||||||||
8162 | case ARM::CDE_CX3: | ||||||||
8163 | case ARM::CDE_CX3A: | ||||||||
8164 | case ARM::CDE_CX3D: | ||||||||
8165 | case ARM::CDE_CX3DA: | ||||||||
8166 | case ARM::CDE_VCX1_vec: | ||||||||
8167 | case ARM::CDE_VCX1_fpsp: | ||||||||
8168 | case ARM::CDE_VCX1_fpdp: | ||||||||
8169 | case ARM::CDE_VCX1A_vec: | ||||||||
8170 | case ARM::CDE_VCX1A_fpsp: | ||||||||
8171 | case ARM::CDE_VCX1A_fpdp: | ||||||||
8172 | case ARM::CDE_VCX2_vec: | ||||||||
8173 | case ARM::CDE_VCX2_fpsp: | ||||||||
8174 | case ARM::CDE_VCX2_fpdp: | ||||||||
8175 | case ARM::CDE_VCX2A_vec: | ||||||||
8176 | case ARM::CDE_VCX2A_fpsp: | ||||||||
8177 | case ARM::CDE_VCX2A_fpdp: | ||||||||
8178 | case ARM::CDE_VCX3_vec: | ||||||||
8179 | case ARM::CDE_VCX3_fpsp: | ||||||||
8180 | case ARM::CDE_VCX3_fpdp: | ||||||||
8181 | case ARM::CDE_VCX3A_vec: | ||||||||
8182 | case ARM::CDE_VCX3A_fpsp: | ||||||||
8183 | case ARM::CDE_VCX3A_fpdp: { | ||||||||
8184 | assert(Inst.getOperand(1).isImm() &&((Inst.getOperand(1).isImm() && "CDE operand 1 must be a coprocessor ID" ) ? static_cast<void> (0) : __assert_fail ("Inst.getOperand(1).isImm() && \"CDE operand 1 must be a coprocessor ID\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 8185, __PRETTY_FUNCTION__)) | ||||||||
8185 | "CDE operand 1 must be a coprocessor ID")((Inst.getOperand(1).isImm() && "CDE operand 1 must be a coprocessor ID" ) ? static_cast<void> (0) : __assert_fail ("Inst.getOperand(1).isImm() && \"CDE operand 1 must be a coprocessor ID\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 8185, __PRETTY_FUNCTION__)); | ||||||||
8186 | int64_t Coproc = Inst.getOperand(1).getImm(); | ||||||||
8187 | if (Coproc < 8 && !ARM::isCDECoproc(Coproc, *STI)) | ||||||||
8188 | return Error(Operands[1]->getStartLoc(), | ||||||||
8189 | "coprocessor must be configured as CDE"); | ||||||||
8190 | else if (Coproc >= 8) | ||||||||
8191 | return Error(Operands[1]->getStartLoc(), | ||||||||
8192 | "coprocessor must be in the range [p0, p7]"); | ||||||||
8193 | break; | ||||||||
8194 | } | ||||||||
8195 | |||||||||
8196 | case ARM::t2CDP: | ||||||||
8197 | case ARM::t2CDP2: | ||||||||
8198 | case ARM::t2LDC2L_OFFSET: | ||||||||
8199 | case ARM::t2LDC2L_OPTION: | ||||||||
8200 | case ARM::t2LDC2L_POST: | ||||||||
8201 | case ARM::t2LDC2L_PRE: | ||||||||
8202 | case ARM::t2LDC2_OFFSET: | ||||||||
8203 | case ARM::t2LDC2_OPTION: | ||||||||
8204 | case ARM::t2LDC2_POST: | ||||||||
8205 | case ARM::t2LDC2_PRE: | ||||||||
8206 | case ARM::t2LDCL_OFFSET: | ||||||||
8207 | case ARM::t2LDCL_OPTION: | ||||||||
8208 | case ARM::t2LDCL_POST: | ||||||||
8209 | case ARM::t2LDCL_PRE: | ||||||||
8210 | case ARM::t2LDC_OFFSET: | ||||||||
8211 | case ARM::t2LDC_OPTION: | ||||||||
8212 | case ARM::t2LDC_POST: | ||||||||
8213 | case ARM::t2LDC_PRE: | ||||||||
8214 | case ARM::t2MCR: | ||||||||
8215 | case ARM::t2MCR2: | ||||||||
8216 | case ARM::t2MCRR: | ||||||||
8217 | case ARM::t2MCRR2: | ||||||||
8218 | case ARM::t2MRC: | ||||||||
8219 | case ARM::t2MRC2: | ||||||||
8220 | case ARM::t2MRRC: | ||||||||
8221 | case ARM::t2MRRC2: | ||||||||
8222 | case ARM::t2STC2L_OFFSET: | ||||||||
8223 | case ARM::t2STC2L_OPTION: | ||||||||
8224 | case ARM::t2STC2L_POST: | ||||||||
8225 | case ARM::t2STC2L_PRE: | ||||||||
8226 | case ARM::t2STC2_OFFSET: | ||||||||
8227 | case ARM::t2STC2_OPTION: | ||||||||
8228 | case ARM::t2STC2_POST: | ||||||||
8229 | case ARM::t2STC2_PRE: | ||||||||
8230 | case ARM::t2STCL_OFFSET: | ||||||||
8231 | case ARM::t2STCL_OPTION: | ||||||||
8232 | case ARM::t2STCL_POST: | ||||||||
8233 | case ARM::t2STCL_PRE: | ||||||||
8234 | case ARM::t2STC_OFFSET: | ||||||||
8235 | case ARM::t2STC_OPTION: | ||||||||
8236 | case ARM::t2STC_POST: | ||||||||
8237 | case ARM::t2STC_PRE: { | ||||||||
8238 | unsigned Opcode = Inst.getOpcode(); | ||||||||
8239 | // Inst.getOperand indexes operands in the (oops ...) and (iops ...) dags, | ||||||||
8240 | // CopInd is the index of the coprocessor operand. | ||||||||
8241 | size_t CopInd = 0; | ||||||||
8242 | if (Opcode == ARM::t2MRRC || Opcode == ARM::t2MRRC2) | ||||||||
8243 | CopInd = 2; | ||||||||
8244 | else if (Opcode == ARM::t2MRC || Opcode == ARM::t2MRC2) | ||||||||
8245 | CopInd = 1; | ||||||||
8246 | assert(Inst.getOperand(CopInd).isImm() &&((Inst.getOperand(CopInd).isImm() && "Operand must be a coprocessor ID" ) ? static_cast<void> (0) : __assert_fail ("Inst.getOperand(CopInd).isImm() && \"Operand must be a coprocessor ID\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 8247, __PRETTY_FUNCTION__)) | ||||||||
8247 | "Operand must be a coprocessor ID")((Inst.getOperand(CopInd).isImm() && "Operand must be a coprocessor ID" ) ? static_cast<void> (0) : __assert_fail ("Inst.getOperand(CopInd).isImm() && \"Operand must be a coprocessor ID\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 8247, __PRETTY_FUNCTION__)); | ||||||||
8248 | int64_t Coproc = Inst.getOperand(CopInd).getImm(); | ||||||||
8249 | // Operands[2] is the coprocessor operand at syntactic level | ||||||||
8250 | if (ARM::isCDECoproc(Coproc, *STI)) | ||||||||
8251 | return Error(Operands[2]->getStartLoc(), | ||||||||
8252 | "coprocessor must be configured as GCP"); | ||||||||
8253 | break; | ||||||||
8254 | } | ||||||||
8255 | } | ||||||||
8256 | |||||||||
8257 | return false; | ||||||||
8258 | } | ||||||||
8259 | |||||||||
8260 | static unsigned getRealVSTOpcode(unsigned Opc, unsigned &Spacing) { | ||||||||
8261 | switch(Opc) { | ||||||||
8262 | default: llvm_unreachable("unexpected opcode!")::llvm::llvm_unreachable_internal("unexpected opcode!", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 8262); | ||||||||
8263 | // VST1LN | ||||||||
8264 | case ARM::VST1LNdWB_fixed_Asm_8: Spacing = 1; return ARM::VST1LNd8_UPD; | ||||||||
8265 | case ARM::VST1LNdWB_fixed_Asm_16: Spacing = 1; return ARM::VST1LNd16_UPD; | ||||||||
8266 | case ARM::VST1LNdWB_fixed_Asm_32: Spacing = 1; return ARM::VST1LNd32_UPD; | ||||||||
8267 | case ARM::VST1LNdWB_register_Asm_8: Spacing = 1; return ARM::VST1LNd8_UPD; | ||||||||
8268 | case ARM::VST1LNdWB_register_Asm_16: Spacing = 1; return ARM::VST1LNd16_UPD; | ||||||||
8269 | case ARM::VST1LNdWB_register_Asm_32: Spacing = 1; return ARM::VST1LNd32_UPD; | ||||||||
8270 | case ARM::VST1LNdAsm_8: Spacing = 1; return ARM::VST1LNd8; | ||||||||
8271 | case ARM::VST1LNdAsm_16: Spacing = 1; return ARM::VST1LNd16; | ||||||||
8272 | case ARM::VST1LNdAsm_32: Spacing = 1; return ARM::VST1LNd32; | ||||||||
8273 | |||||||||
8274 | // VST2LN | ||||||||
8275 | case ARM::VST2LNdWB_fixed_Asm_8: Spacing = 1; return ARM::VST2LNd8_UPD; | ||||||||
8276 | case ARM::VST2LNdWB_fixed_Asm_16: Spacing = 1; return ARM::VST2LNd16_UPD; | ||||||||
8277 | case ARM::VST2LNdWB_fixed_Asm_32: Spacing = 1; return ARM::VST2LNd32_UPD; | ||||||||
8278 | case ARM::VST2LNqWB_fixed_Asm_16: Spacing = 2; return ARM::VST2LNq16_UPD; | ||||||||
8279 | case ARM::VST2LNqWB_fixed_Asm_32: Spacing = 2; return ARM::VST2LNq32_UPD; | ||||||||
8280 | |||||||||
8281 | case ARM::VST2LNdWB_register_Asm_8: Spacing = 1; return ARM::VST2LNd8_UPD; | ||||||||
8282 | case ARM::VST2LNdWB_register_Asm_16: Spacing = 1; return ARM::VST2LNd16_UPD; | ||||||||
8283 | case ARM::VST2LNdWB_register_Asm_32: Spacing = 1; return ARM::VST2LNd32_UPD; | ||||||||
8284 | case ARM::VST2LNqWB_register_Asm_16: Spacing = 2; return ARM::VST2LNq16_UPD; | ||||||||
8285 | case ARM::VST2LNqWB_register_Asm_32: Spacing = 2; return ARM::VST2LNq32_UPD; | ||||||||
8286 | |||||||||
8287 | case ARM::VST2LNdAsm_8: Spacing = 1; return ARM::VST2LNd8; | ||||||||
8288 | case ARM::VST2LNdAsm_16: Spacing = 1; return ARM::VST2LNd16; | ||||||||
8289 | case ARM::VST2LNdAsm_32: Spacing = 1; return ARM::VST2LNd32; | ||||||||
8290 | case ARM::VST2LNqAsm_16: Spacing = 2; return ARM::VST2LNq16; | ||||||||
8291 | case ARM::VST2LNqAsm_32: Spacing = 2; return ARM::VST2LNq32; | ||||||||
8292 | |||||||||
8293 | // VST3LN | ||||||||
8294 | case ARM::VST3LNdWB_fixed_Asm_8: Spacing = 1; return ARM::VST3LNd8_UPD; | ||||||||
8295 | case ARM::VST3LNdWB_fixed_Asm_16: Spacing = 1; return ARM::VST3LNd16_UPD; | ||||||||
8296 | case ARM::VST3LNdWB_fixed_Asm_32: Spacing = 1; return ARM::VST3LNd32_UPD; | ||||||||
8297 | case ARM::VST3LNqWB_fixed_Asm_16: Spacing = 1; return ARM::VST3LNq16_UPD; | ||||||||
8298 | case ARM::VST3LNqWB_fixed_Asm_32: Spacing = 2; return ARM::VST3LNq32_UPD; | ||||||||
8299 | case ARM::VST3LNdWB_register_Asm_8: Spacing = 1; return ARM::VST3LNd8_UPD; | ||||||||
8300 | case ARM::VST3LNdWB_register_Asm_16: Spacing = 1; return ARM::VST3LNd16_UPD; | ||||||||
8301 | case ARM::VST3LNdWB_register_Asm_32: Spacing = 1; return ARM::VST3LNd32_UPD; | ||||||||
8302 | case ARM::VST3LNqWB_register_Asm_16: Spacing = 2; return ARM::VST3LNq16_UPD; | ||||||||
8303 | case ARM::VST3LNqWB_register_Asm_32: Spacing = 2; return ARM::VST3LNq32_UPD; | ||||||||
8304 | case ARM::VST3LNdAsm_8: Spacing = 1; return ARM::VST3LNd8; | ||||||||
8305 | case ARM::VST3LNdAsm_16: Spacing = 1; return ARM::VST3LNd16; | ||||||||
8306 | case ARM::VST3LNdAsm_32: Spacing = 1; return ARM::VST3LNd32; | ||||||||
8307 | case ARM::VST3LNqAsm_16: Spacing = 2; return ARM::VST3LNq16; | ||||||||
8308 | case ARM::VST3LNqAsm_32: Spacing = 2; return ARM::VST3LNq32; | ||||||||
8309 | |||||||||
8310 | // VST3 | ||||||||
8311 | case ARM::VST3dWB_fixed_Asm_8: Spacing = 1; return ARM::VST3d8_UPD; | ||||||||
8312 | case ARM::VST3dWB_fixed_Asm_16: Spacing = 1; return ARM::VST3d16_UPD; | ||||||||
8313 | case ARM::VST3dWB_fixed_Asm_32: Spacing = 1; return ARM::VST3d32_UPD; | ||||||||
8314 | case ARM::VST3qWB_fixed_Asm_8: Spacing = 2; return ARM::VST3q8_UPD; | ||||||||
8315 | case ARM::VST3qWB_fixed_Asm_16: Spacing = 2; return ARM::VST3q16_UPD; | ||||||||
8316 | case ARM::VST3qWB_fixed_Asm_32: Spacing = 2; return ARM::VST3q32_UPD; | ||||||||
8317 | case ARM::VST3dWB_register_Asm_8: Spacing = 1; return ARM::VST3d8_UPD; | ||||||||
8318 | case ARM::VST3dWB_register_Asm_16: Spacing = 1; return ARM::VST3d16_UPD; | ||||||||
8319 | case ARM::VST3dWB_register_Asm_32: Spacing = 1; return ARM::VST3d32_UPD; | ||||||||
8320 | case ARM::VST3qWB_register_Asm_8: Spacing = 2; return ARM::VST3q8_UPD; | ||||||||
8321 | case ARM::VST3qWB_register_Asm_16: Spacing = 2; return ARM::VST3q16_UPD; | ||||||||
8322 | case ARM::VST3qWB_register_Asm_32: Spacing = 2; return ARM::VST3q32_UPD; | ||||||||
8323 | case ARM::VST3dAsm_8: Spacing = 1; return ARM::VST3d8; | ||||||||
8324 | case ARM::VST3dAsm_16: Spacing = 1; return ARM::VST3d16; | ||||||||
8325 | case ARM::VST3dAsm_32: Spacing = 1; return ARM::VST3d32; | ||||||||
8326 | case ARM::VST3qAsm_8: Spacing = 2; return ARM::VST3q8; | ||||||||
8327 | case ARM::VST3qAsm_16: Spacing = 2; return ARM::VST3q16; | ||||||||
8328 | case ARM::VST3qAsm_32: Spacing = 2; return ARM::VST3q32; | ||||||||
8329 | |||||||||
8330 | // VST4LN | ||||||||
8331 | case ARM::VST4LNdWB_fixed_Asm_8: Spacing = 1; return ARM::VST4LNd8_UPD; | ||||||||
8332 | case ARM::VST4LNdWB_fixed_Asm_16: Spacing = 1; return ARM::VST4LNd16_UPD; | ||||||||
8333 | case ARM::VST4LNdWB_fixed_Asm_32: Spacing = 1; return ARM::VST4LNd32_UPD; | ||||||||
8334 | case ARM::VST4LNqWB_fixed_Asm_16: Spacing = 1; return ARM::VST4LNq16_UPD; | ||||||||
8335 | case ARM::VST4LNqWB_fixed_Asm_32: Spacing = 2; return ARM::VST4LNq32_UPD; | ||||||||
8336 | case ARM::VST4LNdWB_register_Asm_8: Spacing = 1; return ARM::VST4LNd8_UPD; | ||||||||
8337 | case ARM::VST4LNdWB_register_Asm_16: Spacing = 1; return ARM::VST4LNd16_UPD; | ||||||||
8338 | case ARM::VST4LNdWB_register_Asm_32: Spacing = 1; return ARM::VST4LNd32_UPD; | ||||||||
8339 | case ARM::VST4LNqWB_register_Asm_16: Spacing = 2; return ARM::VST4LNq16_UPD; | ||||||||
8340 | case ARM::VST4LNqWB_register_Asm_32: Spacing = 2; return ARM::VST4LNq32_UPD; | ||||||||
8341 | case ARM::VST4LNdAsm_8: Spacing = 1; return ARM::VST4LNd8; | ||||||||
8342 | case ARM::VST4LNdAsm_16: Spacing = 1; return ARM::VST4LNd16; | ||||||||
8343 | case ARM::VST4LNdAsm_32: Spacing = 1; return ARM::VST4LNd32; | ||||||||
8344 | case ARM::VST4LNqAsm_16: Spacing = 2; return ARM::VST4LNq16; | ||||||||
8345 | case ARM::VST4LNqAsm_32: Spacing = 2; return ARM::VST4LNq32; | ||||||||
8346 | |||||||||
8347 | // VST4 | ||||||||
8348 | case ARM::VST4dWB_fixed_Asm_8: Spacing = 1; return ARM::VST4d8_UPD; | ||||||||
8349 | case ARM::VST4dWB_fixed_Asm_16: Spacing = 1; return ARM::VST4d16_UPD; | ||||||||
8350 | case ARM::VST4dWB_fixed_Asm_32: Spacing = 1; return ARM::VST4d32_UPD; | ||||||||
8351 | case ARM::VST4qWB_fixed_Asm_8: Spacing = 2; return ARM::VST4q8_UPD; | ||||||||
8352 | case ARM::VST4qWB_fixed_Asm_16: Spacing = 2; return ARM::VST4q16_UPD; | ||||||||
8353 | case ARM::VST4qWB_fixed_Asm_32: Spacing = 2; return ARM::VST4q32_UPD; | ||||||||
8354 | case ARM::VST4dWB_register_Asm_8: Spacing = 1; return ARM::VST4d8_UPD; | ||||||||
8355 | case ARM::VST4dWB_register_Asm_16: Spacing = 1; return ARM::VST4d16_UPD; | ||||||||
8356 | case ARM::VST4dWB_register_Asm_32: Spacing = 1; return ARM::VST4d32_UPD; | ||||||||
8357 | case ARM::VST4qWB_register_Asm_8: Spacing = 2; return ARM::VST4q8_UPD; | ||||||||
8358 | case ARM::VST4qWB_register_Asm_16: Spacing = 2; return ARM::VST4q16_UPD; | ||||||||
8359 | case ARM::VST4qWB_register_Asm_32: Spacing = 2; return ARM::VST4q32_UPD; | ||||||||
8360 | case ARM::VST4dAsm_8: Spacing = 1; return ARM::VST4d8; | ||||||||
8361 | case ARM::VST4dAsm_16: Spacing = 1; return ARM::VST4d16; | ||||||||
8362 | case ARM::VST4dAsm_32: Spacing = 1; return ARM::VST4d32; | ||||||||
8363 | case ARM::VST4qAsm_8: Spacing = 2; return ARM::VST4q8; | ||||||||
8364 | case ARM::VST4qAsm_16: Spacing = 2; return ARM::VST4q16; | ||||||||
8365 | case ARM::VST4qAsm_32: Spacing = 2; return ARM::VST4q32; | ||||||||
8366 | } | ||||||||
8367 | } | ||||||||
8368 | |||||||||
8369 | static unsigned getRealVLDOpcode(unsigned Opc, unsigned &Spacing) { | ||||||||
8370 | switch(Opc) { | ||||||||
8371 | default: llvm_unreachable("unexpected opcode!")::llvm::llvm_unreachable_internal("unexpected opcode!", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 8371); | ||||||||
8372 | // VLD1LN | ||||||||
8373 | case ARM::VLD1LNdWB_fixed_Asm_8: Spacing = 1; return ARM::VLD1LNd8_UPD; | ||||||||
8374 | case ARM::VLD1LNdWB_fixed_Asm_16: Spacing = 1; return ARM::VLD1LNd16_UPD; | ||||||||
8375 | case ARM::VLD1LNdWB_fixed_Asm_32: Spacing = 1; return ARM::VLD1LNd32_UPD; | ||||||||
8376 | case ARM::VLD1LNdWB_register_Asm_8: Spacing = 1; return ARM::VLD1LNd8_UPD; | ||||||||
8377 | case ARM::VLD1LNdWB_register_Asm_16: Spacing = 1; return ARM::VLD1LNd16_UPD; | ||||||||
8378 | case ARM::VLD1LNdWB_register_Asm_32: Spacing = 1; return ARM::VLD1LNd32_UPD; | ||||||||
8379 | case ARM::VLD1LNdAsm_8: Spacing = 1; return ARM::VLD1LNd8; | ||||||||
8380 | case ARM::VLD1LNdAsm_16: Spacing = 1; return ARM::VLD1LNd16; | ||||||||
8381 | case ARM::VLD1LNdAsm_32: Spacing = 1; return ARM::VLD1LNd32; | ||||||||
8382 | |||||||||
8383 | // VLD2LN | ||||||||
8384 | case ARM::VLD2LNdWB_fixed_Asm_8: Spacing = 1; return ARM::VLD2LNd8_UPD; | ||||||||
8385 | case ARM::VLD2LNdWB_fixed_Asm_16: Spacing = 1; return ARM::VLD2LNd16_UPD; | ||||||||
8386 | case ARM::VLD2LNdWB_fixed_Asm_32: Spacing = 1; return ARM::VLD2LNd32_UPD; | ||||||||
8387 | case ARM::VLD2LNqWB_fixed_Asm_16: Spacing = 1; return ARM::VLD2LNq16_UPD; | ||||||||
8388 | case ARM::VLD2LNqWB_fixed_Asm_32: Spacing = 2; return ARM::VLD2LNq32_UPD; | ||||||||
8389 | case ARM::VLD2LNdWB_register_Asm_8: Spacing = 1; return ARM::VLD2LNd8_UPD; | ||||||||
8390 | case ARM::VLD2LNdWB_register_Asm_16: Spacing = 1; return ARM::VLD2LNd16_UPD; | ||||||||
8391 | case ARM::VLD2LNdWB_register_Asm_32: Spacing = 1; return ARM::VLD2LNd32_UPD; | ||||||||
8392 | case ARM::VLD2LNqWB_register_Asm_16: Spacing = 2; return ARM::VLD2LNq16_UPD; | ||||||||
8393 | case ARM::VLD2LNqWB_register_Asm_32: Spacing = 2; return ARM::VLD2LNq32_UPD; | ||||||||
8394 | case ARM::VLD2LNdAsm_8: Spacing = 1; return ARM::VLD2LNd8; | ||||||||
8395 | case ARM::VLD2LNdAsm_16: Spacing = 1; return ARM::VLD2LNd16; | ||||||||
8396 | case ARM::VLD2LNdAsm_32: Spacing = 1; return ARM::VLD2LNd32; | ||||||||
8397 | case ARM::VLD2LNqAsm_16: Spacing = 2; return ARM::VLD2LNq16; | ||||||||
8398 | case ARM::VLD2LNqAsm_32: Spacing = 2; return ARM::VLD2LNq32; | ||||||||
8399 | |||||||||
8400 | // VLD3DUP | ||||||||
8401 | case ARM::VLD3DUPdWB_fixed_Asm_8: Spacing = 1; return ARM::VLD3DUPd8_UPD; | ||||||||
8402 | case ARM::VLD3DUPdWB_fixed_Asm_16: Spacing = 1; return ARM::VLD3DUPd16_UPD; | ||||||||
8403 | case ARM::VLD3DUPdWB_fixed_Asm_32: Spacing = 1; return ARM::VLD3DUPd32_UPD; | ||||||||
8404 | case ARM::VLD3DUPqWB_fixed_Asm_8: Spacing = 1; return ARM::VLD3DUPq8_UPD; | ||||||||
8405 | case ARM::VLD3DUPqWB_fixed_Asm_16: Spacing = 2; return ARM::VLD3DUPq16_UPD; | ||||||||
8406 | case ARM::VLD3DUPqWB_fixed_Asm_32: Spacing = 2; return ARM::VLD3DUPq32_UPD; | ||||||||
8407 | case ARM::VLD3DUPdWB_register_Asm_8: Spacing = 1; return ARM::VLD3DUPd8_UPD; | ||||||||
8408 | case ARM::VLD3DUPdWB_register_Asm_16: Spacing = 1; return ARM::VLD3DUPd16_UPD; | ||||||||
8409 | case ARM::VLD3DUPdWB_register_Asm_32: Spacing = 1; return ARM::VLD3DUPd32_UPD; | ||||||||
8410 | case ARM::VLD3DUPqWB_register_Asm_8: Spacing = 2; return ARM::VLD3DUPq8_UPD; | ||||||||
8411 | case ARM::VLD3DUPqWB_register_Asm_16: Spacing = 2; return ARM::VLD3DUPq16_UPD; | ||||||||
8412 | case ARM::VLD3DUPqWB_register_Asm_32: Spacing = 2; return ARM::VLD3DUPq32_UPD; | ||||||||
8413 | case ARM::VLD3DUPdAsm_8: Spacing = 1; return ARM::VLD3DUPd8; | ||||||||
8414 | case ARM::VLD3DUPdAsm_16: Spacing = 1; return ARM::VLD3DUPd16; | ||||||||
8415 | case ARM::VLD3DUPdAsm_32: Spacing = 1; return ARM::VLD3DUPd32; | ||||||||
8416 | case ARM::VLD3DUPqAsm_8: Spacing = 2; return ARM::VLD3DUPq8; | ||||||||
8417 | case ARM::VLD3DUPqAsm_16: Spacing = 2; return ARM::VLD3DUPq16; | ||||||||
8418 | case ARM::VLD3DUPqAsm_32: Spacing = 2; return ARM::VLD3DUPq32; | ||||||||
8419 | |||||||||
8420 | // VLD3LN | ||||||||
8421 | case ARM::VLD3LNdWB_fixed_Asm_8: Spacing = 1; return ARM::VLD3LNd8_UPD; | ||||||||
8422 | case ARM::VLD3LNdWB_fixed_Asm_16: Spacing = 1; return ARM::VLD3LNd16_UPD; | ||||||||
8423 | case ARM::VLD3LNdWB_fixed_Asm_32: Spacing = 1; return ARM::VLD3LNd32_UPD; | ||||||||
8424 | case ARM::VLD3LNqWB_fixed_Asm_16: Spacing = 1; return ARM::VLD3LNq16_UPD; | ||||||||
8425 | case ARM::VLD3LNqWB_fixed_Asm_32: Spacing = 2; return ARM::VLD3LNq32_UPD; | ||||||||
8426 | case ARM::VLD3LNdWB_register_Asm_8: Spacing = 1; return ARM::VLD3LNd8_UPD; | ||||||||
8427 | case ARM::VLD3LNdWB_register_Asm_16: Spacing = 1; return ARM::VLD3LNd16_UPD; | ||||||||
8428 | case ARM::VLD3LNdWB_register_Asm_32: Spacing = 1; return ARM::VLD3LNd32_UPD; | ||||||||
8429 | case ARM::VLD3LNqWB_register_Asm_16: Spacing = 2; return ARM::VLD3LNq16_UPD; | ||||||||
8430 | case ARM::VLD3LNqWB_register_Asm_32: Spacing = 2; return ARM::VLD3LNq32_UPD; | ||||||||
8431 | case ARM::VLD3LNdAsm_8: Spacing = 1; return ARM::VLD3LNd8; | ||||||||
8432 | case ARM::VLD3LNdAsm_16: Spacing = 1; return ARM::VLD3LNd16; | ||||||||
8433 | case ARM::VLD3LNdAsm_32: Spacing = 1; return ARM::VLD3LNd32; | ||||||||
8434 | case ARM::VLD3LNqAsm_16: Spacing = 2; return ARM::VLD3LNq16; | ||||||||
8435 | case ARM::VLD3LNqAsm_32: Spacing = 2; return ARM::VLD3LNq32; | ||||||||
8436 | |||||||||
8437 | // VLD3 | ||||||||
8438 | case ARM::VLD3dWB_fixed_Asm_8: Spacing = 1; return ARM::VLD3d8_UPD; | ||||||||
8439 | case ARM::VLD3dWB_fixed_Asm_16: Spacing = 1; return ARM::VLD3d16_UPD; | ||||||||
8440 | case ARM::VLD3dWB_fixed_Asm_32: Spacing = 1; return ARM::VLD3d32_UPD; | ||||||||
8441 | case ARM::VLD3qWB_fixed_Asm_8: Spacing = 2; return ARM::VLD3q8_UPD; | ||||||||
8442 | case ARM::VLD3qWB_fixed_Asm_16: Spacing = 2; return ARM::VLD3q16_UPD; | ||||||||
8443 | case ARM::VLD3qWB_fixed_Asm_32: Spacing = 2; return ARM::VLD3q32_UPD; | ||||||||
8444 | case ARM::VLD3dWB_register_Asm_8: Spacing = 1; return ARM::VLD3d8_UPD; | ||||||||
8445 | case ARM::VLD3dWB_register_Asm_16: Spacing = 1; return ARM::VLD3d16_UPD; | ||||||||
8446 | case ARM::VLD3dWB_register_Asm_32: Spacing = 1; return ARM::VLD3d32_UPD; | ||||||||
8447 | case ARM::VLD3qWB_register_Asm_8: Spacing = 2; return ARM::VLD3q8_UPD; | ||||||||
8448 | case ARM::VLD3qWB_register_Asm_16: Spacing = 2; return ARM::VLD3q16_UPD; | ||||||||
8449 | case ARM::VLD3qWB_register_Asm_32: Spacing = 2; return ARM::VLD3q32_UPD; | ||||||||
8450 | case ARM::VLD3dAsm_8: Spacing = 1; return ARM::VLD3d8; | ||||||||
8451 | case ARM::VLD3dAsm_16: Spacing = 1; return ARM::VLD3d16; | ||||||||
8452 | case ARM::VLD3dAsm_32: Spacing = 1; return ARM::VLD3d32; | ||||||||
8453 | case ARM::VLD3qAsm_8: Spacing = 2; return ARM::VLD3q8; | ||||||||
8454 | case ARM::VLD3qAsm_16: Spacing = 2; return ARM::VLD3q16; | ||||||||
8455 | case ARM::VLD3qAsm_32: Spacing = 2; return ARM::VLD3q32; | ||||||||
8456 | |||||||||
8457 | // VLD4LN | ||||||||
8458 | case ARM::VLD4LNdWB_fixed_Asm_8: Spacing = 1; return ARM::VLD4LNd8_UPD; | ||||||||
8459 | case ARM::VLD4LNdWB_fixed_Asm_16: Spacing = 1; return ARM::VLD4LNd16_UPD; | ||||||||
8460 | case ARM::VLD4LNdWB_fixed_Asm_32: Spacing = 1; return ARM::VLD4LNd32_UPD; | ||||||||
8461 | case ARM::VLD4LNqWB_fixed_Asm_16: Spacing = 2; return ARM::VLD4LNq16_UPD; | ||||||||
8462 | case ARM::VLD4LNqWB_fixed_Asm_32: Spacing = 2; return ARM::VLD4LNq32_UPD; | ||||||||
8463 | case ARM::VLD4LNdWB_register_Asm_8: Spacing = 1; return ARM::VLD4LNd8_UPD; | ||||||||
8464 | case ARM::VLD4LNdWB_register_Asm_16: Spacing = 1; return ARM::VLD4LNd16_UPD; | ||||||||
8465 | case ARM::VLD4LNdWB_register_Asm_32: Spacing = 1; return ARM::VLD4LNd32_UPD; | ||||||||
8466 | case ARM::VLD4LNqWB_register_Asm_16: Spacing = 2; return ARM::VLD4LNq16_UPD; | ||||||||
8467 | case ARM::VLD4LNqWB_register_Asm_32: Spacing = 2; return ARM::VLD4LNq32_UPD; | ||||||||
8468 | case ARM::VLD4LNdAsm_8: Spacing = 1; return ARM::VLD4LNd8; | ||||||||
8469 | case ARM::VLD4LNdAsm_16: Spacing = 1; return ARM::VLD4LNd16; | ||||||||
8470 | case ARM::VLD4LNdAsm_32: Spacing = 1; return ARM::VLD4LNd32; | ||||||||
8471 | case ARM::VLD4LNqAsm_16: Spacing = 2; return ARM::VLD4LNq16; | ||||||||
8472 | case ARM::VLD4LNqAsm_32: Spacing = 2; return ARM::VLD4LNq32; | ||||||||
8473 | |||||||||
8474 | // VLD4DUP | ||||||||
8475 | case ARM::VLD4DUPdWB_fixed_Asm_8: Spacing = 1; return ARM::VLD4DUPd8_UPD; | ||||||||
8476 | case ARM::VLD4DUPdWB_fixed_Asm_16: Spacing = 1; return ARM::VLD4DUPd16_UPD; | ||||||||
8477 | case ARM::VLD4DUPdWB_fixed_Asm_32: Spacing = 1; return ARM::VLD4DUPd32_UPD; | ||||||||
8478 | case ARM::VLD4DUPqWB_fixed_Asm_8: Spacing = 1; return ARM::VLD4DUPq8_UPD; | ||||||||
8479 | case ARM::VLD4DUPqWB_fixed_Asm_16: Spacing = 1; return ARM::VLD4DUPq16_UPD; | ||||||||
8480 | case ARM::VLD4DUPqWB_fixed_Asm_32: Spacing = 2; return ARM::VLD4DUPq32_UPD; | ||||||||
8481 | case ARM::VLD4DUPdWB_register_Asm_8: Spacing = 1; return ARM::VLD4DUPd8_UPD; | ||||||||
8482 | case ARM::VLD4DUPdWB_register_Asm_16: Spacing = 1; return ARM::VLD4DUPd16_UPD; | ||||||||
8483 | case ARM::VLD4DUPdWB_register_Asm_32: Spacing = 1; return ARM::VLD4DUPd32_UPD; | ||||||||
8484 | case ARM::VLD4DUPqWB_register_Asm_8: Spacing = 2; return ARM::VLD4DUPq8_UPD; | ||||||||
8485 | case ARM::VLD4DUPqWB_register_Asm_16: Spacing = 2; return ARM::VLD4DUPq16_UPD; | ||||||||
8486 | case ARM::VLD4DUPqWB_register_Asm_32: Spacing = 2; return ARM::VLD4DUPq32_UPD; | ||||||||
8487 | case ARM::VLD4DUPdAsm_8: Spacing = 1; return ARM::VLD4DUPd8; | ||||||||
8488 | case ARM::VLD4DUPdAsm_16: Spacing = 1; return ARM::VLD4DUPd16; | ||||||||
8489 | case ARM::VLD4DUPdAsm_32: Spacing = 1; return ARM::VLD4DUPd32; | ||||||||
8490 | case ARM::VLD4DUPqAsm_8: Spacing = 2; return ARM::VLD4DUPq8; | ||||||||
8491 | case ARM::VLD4DUPqAsm_16: Spacing = 2; return ARM::VLD4DUPq16; | ||||||||
8492 | case ARM::VLD4DUPqAsm_32: Spacing = 2; return ARM::VLD4DUPq32; | ||||||||
8493 | |||||||||
8494 | // VLD4 | ||||||||
8495 | case ARM::VLD4dWB_fixed_Asm_8: Spacing = 1; return ARM::VLD4d8_UPD; | ||||||||
8496 | case ARM::VLD4dWB_fixed_Asm_16: Spacing = 1; return ARM::VLD4d16_UPD; | ||||||||
8497 | case ARM::VLD4dWB_fixed_Asm_32: Spacing = 1; return ARM::VLD4d32_UPD; | ||||||||
8498 | case ARM::VLD4qWB_fixed_Asm_8: Spacing = 2; return ARM::VLD4q8_UPD; | ||||||||
8499 | case ARM::VLD4qWB_fixed_Asm_16: Spacing = 2; return ARM::VLD4q16_UPD; | ||||||||
8500 | case ARM::VLD4qWB_fixed_Asm_32: Spacing = 2; return ARM::VLD4q32_UPD; | ||||||||
8501 | case ARM::VLD4dWB_register_Asm_8: Spacing = 1; return ARM::VLD4d8_UPD; | ||||||||
8502 | case ARM::VLD4dWB_register_Asm_16: Spacing = 1; return ARM::VLD4d16_UPD; | ||||||||
8503 | case ARM::VLD4dWB_register_Asm_32: Spacing = 1; return ARM::VLD4d32_UPD; | ||||||||
8504 | case ARM::VLD4qWB_register_Asm_8: Spacing = 2; return ARM::VLD4q8_UPD; | ||||||||
8505 | case ARM::VLD4qWB_register_Asm_16: Spacing = 2; return ARM::VLD4q16_UPD; | ||||||||
8506 | case ARM::VLD4qWB_register_Asm_32: Spacing = 2; return ARM::VLD4q32_UPD; | ||||||||
8507 | case ARM::VLD4dAsm_8: Spacing = 1; return ARM::VLD4d8; | ||||||||
8508 | case ARM::VLD4dAsm_16: Spacing = 1; return ARM::VLD4d16; | ||||||||
8509 | case ARM::VLD4dAsm_32: Spacing = 1; return ARM::VLD4d32; | ||||||||
8510 | case ARM::VLD4qAsm_8: Spacing = 2; return ARM::VLD4q8; | ||||||||
8511 | case ARM::VLD4qAsm_16: Spacing = 2; return ARM::VLD4q16; | ||||||||
8512 | case ARM::VLD4qAsm_32: Spacing = 2; return ARM::VLD4q32; | ||||||||
8513 | } | ||||||||
8514 | } | ||||||||
8515 | |||||||||
8516 | bool ARMAsmParser::processInstruction(MCInst &Inst, | ||||||||
8517 | const OperandVector &Operands, | ||||||||
8518 | MCStreamer &Out) { | ||||||||
8519 | // Check if we have the wide qualifier, because if it's present we | ||||||||
8520 | // must avoid selecting a 16-bit thumb instruction. | ||||||||
8521 | bool HasWideQualifier = false; | ||||||||
8522 | for (auto &Op : Operands) { | ||||||||
8523 | ARMOperand &ARMOp = static_cast<ARMOperand&>(*Op); | ||||||||
8524 | if (ARMOp.isToken() && ARMOp.getToken() == ".w") { | ||||||||
8525 | HasWideQualifier = true; | ||||||||
8526 | break; | ||||||||
8527 | } | ||||||||
8528 | } | ||||||||
8529 | |||||||||
8530 | switch (Inst.getOpcode()) { | ||||||||
8531 | // Alias for alternate form of 'ldr{,b}t Rt, [Rn], #imm' instruction. | ||||||||
8532 | case ARM::LDRT_POST: | ||||||||
8533 | case ARM::LDRBT_POST: { | ||||||||
8534 | const unsigned Opcode = | ||||||||
8535 | (Inst.getOpcode() == ARM::LDRT_POST) ? ARM::LDRT_POST_IMM | ||||||||
8536 | : ARM::LDRBT_POST_IMM; | ||||||||
8537 | MCInst TmpInst; | ||||||||
8538 | TmpInst.setOpcode(Opcode); | ||||||||
8539 | TmpInst.addOperand(Inst.getOperand(0)); | ||||||||
8540 | TmpInst.addOperand(Inst.getOperand(1)); | ||||||||
8541 | TmpInst.addOperand(Inst.getOperand(1)); | ||||||||
8542 | TmpInst.addOperand(MCOperand::createReg(0)); | ||||||||
8543 | TmpInst.addOperand(MCOperand::createImm(0)); | ||||||||
8544 | TmpInst.addOperand(Inst.getOperand(2)); | ||||||||
8545 | TmpInst.addOperand(Inst.getOperand(3)); | ||||||||
8546 | Inst = TmpInst; | ||||||||
8547 | return true; | ||||||||
8548 | } | ||||||||
8549 | // Alias for alternate form of 'str{,b}t Rt, [Rn], #imm' instruction. | ||||||||
8550 | case ARM::STRT_POST: | ||||||||
8551 | case ARM::STRBT_POST: { | ||||||||
8552 | const unsigned Opcode = | ||||||||
8553 | (Inst.getOpcode() == ARM::STRT_POST) ? ARM::STRT_POST_IMM | ||||||||
8554 | : ARM::STRBT_POST_IMM; | ||||||||
8555 | MCInst TmpInst; | ||||||||
8556 | TmpInst.setOpcode(Opcode); | ||||||||
8557 | TmpInst.addOperand(Inst.getOperand(1)); | ||||||||
8558 | TmpInst.addOperand(Inst.getOperand(0)); | ||||||||
8559 | TmpInst.addOperand(Inst.getOperand(1)); | ||||||||
8560 | TmpInst.addOperand(MCOperand::createReg(0)); | ||||||||
8561 | TmpInst.addOperand(MCOperand::createImm(0)); | ||||||||
8562 | TmpInst.addOperand(Inst.getOperand(2)); | ||||||||
8563 | TmpInst.addOperand(Inst.getOperand(3)); | ||||||||
8564 | Inst = TmpInst; | ||||||||
8565 | return true; | ||||||||
8566 | } | ||||||||
8567 | // Alias for alternate form of 'ADR Rd, #imm' instruction. | ||||||||
8568 | case ARM::ADDri: { | ||||||||
8569 | if (Inst.getOperand(1).getReg() != ARM::PC || | ||||||||
8570 | Inst.getOperand(5).getReg() != 0 || | ||||||||
8571 | !(Inst.getOperand(2).isExpr() || Inst.getOperand(2).isImm())) | ||||||||
8572 | return false; | ||||||||
8573 | MCInst TmpInst; | ||||||||
8574 | TmpInst.setOpcode(ARM::ADR); | ||||||||
8575 | TmpInst.addOperand(Inst.getOperand(0)); | ||||||||
8576 | if (Inst.getOperand(2).isImm()) { | ||||||||
8577 | // Immediate (mod_imm) will be in its encoded form, we must unencode it | ||||||||
8578 | // before passing it to the ADR instruction. | ||||||||
8579 | unsigned Enc = Inst.getOperand(2).getImm(); | ||||||||
8580 | TmpInst.addOperand(MCOperand::createImm( | ||||||||
8581 | ARM_AM::rotr32(Enc & 0xFF, (Enc & 0xF00) >> 7))); | ||||||||
8582 | } else { | ||||||||
8583 | // Turn PC-relative expression into absolute expression. | ||||||||
8584 | // Reading PC provides the start of the current instruction + 8 and | ||||||||
8585 | // the transform to adr is biased by that. | ||||||||
8586 | MCSymbol *Dot = getContext().createTempSymbol(); | ||||||||
8587 | Out.emitLabel(Dot); | ||||||||
8588 | const MCExpr *OpExpr = Inst.getOperand(2).getExpr(); | ||||||||
8589 | const MCExpr *InstPC = MCSymbolRefExpr::create(Dot, | ||||||||
8590 | MCSymbolRefExpr::VK_None, | ||||||||
8591 | getContext()); | ||||||||
8592 | const MCExpr *Const8 = MCConstantExpr::create(8, getContext()); | ||||||||
8593 | const MCExpr *ReadPC = MCBinaryExpr::createAdd(InstPC, Const8, | ||||||||
8594 | getContext()); | ||||||||
8595 | const MCExpr *FixupAddr = MCBinaryExpr::createAdd(ReadPC, OpExpr, | ||||||||
8596 | getContext()); | ||||||||
8597 | TmpInst.addOperand(MCOperand::createExpr(FixupAddr)); | ||||||||
8598 | } | ||||||||
8599 | TmpInst.addOperand(Inst.getOperand(3)); | ||||||||
8600 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
8601 | Inst = TmpInst; | ||||||||
8602 | return true; | ||||||||
8603 | } | ||||||||
8604 | // Aliases for alternate PC+imm syntax of LDR instructions. | ||||||||
8605 | case ARM::t2LDRpcrel: | ||||||||
8606 | // Select the narrow version if the immediate will fit. | ||||||||
8607 | if (Inst.getOperand(1).getImm() > 0 && | ||||||||
8608 | Inst.getOperand(1).getImm() <= 0xff && | ||||||||
8609 | !HasWideQualifier) | ||||||||
8610 | Inst.setOpcode(ARM::tLDRpci); | ||||||||
8611 | else | ||||||||
8612 | Inst.setOpcode(ARM::t2LDRpci); | ||||||||
8613 | return true; | ||||||||
8614 | case ARM::t2LDRBpcrel: | ||||||||
8615 | Inst.setOpcode(ARM::t2LDRBpci); | ||||||||
8616 | return true; | ||||||||
8617 | case ARM::t2LDRHpcrel: | ||||||||
8618 | Inst.setOpcode(ARM::t2LDRHpci); | ||||||||
8619 | return true; | ||||||||
8620 | case ARM::t2LDRSBpcrel: | ||||||||
8621 | Inst.setOpcode(ARM::t2LDRSBpci); | ||||||||
8622 | return true; | ||||||||
8623 | case ARM::t2LDRSHpcrel: | ||||||||
8624 | Inst.setOpcode(ARM::t2LDRSHpci); | ||||||||
8625 | return true; | ||||||||
8626 | case ARM::LDRConstPool: | ||||||||
8627 | case ARM::tLDRConstPool: | ||||||||
8628 | case ARM::t2LDRConstPool: { | ||||||||
8629 | // Pseudo instruction ldr rt, =immediate is converted to a | ||||||||
8630 | // MOV rt, immediate if immediate is known and representable | ||||||||
8631 | // otherwise we create a constant pool entry that we load from. | ||||||||
8632 | MCInst TmpInst; | ||||||||
8633 | if (Inst.getOpcode() == ARM::LDRConstPool) | ||||||||
8634 | TmpInst.setOpcode(ARM::LDRi12); | ||||||||
8635 | else if (Inst.getOpcode() == ARM::tLDRConstPool) | ||||||||
8636 | TmpInst.setOpcode(ARM::tLDRpci); | ||||||||
8637 | else if (Inst.getOpcode() == ARM::t2LDRConstPool) | ||||||||
8638 | TmpInst.setOpcode(ARM::t2LDRpci); | ||||||||
8639 | const ARMOperand &PoolOperand = | ||||||||
8640 | (HasWideQualifier ? | ||||||||
8641 | static_cast<ARMOperand &>(*Operands[4]) : | ||||||||
8642 | static_cast<ARMOperand &>(*Operands[3])); | ||||||||
8643 | const MCExpr *SubExprVal = PoolOperand.getConstantPoolImm(); | ||||||||
8644 | // If SubExprVal is a constant we may be able to use a MOV | ||||||||
8645 | if (isa<MCConstantExpr>(SubExprVal) && | ||||||||
8646 | Inst.getOperand(0).getReg() != ARM::PC && | ||||||||
8647 | Inst.getOperand(0).getReg() != ARM::SP) { | ||||||||
8648 | int64_t Value = | ||||||||
8649 | (int64_t) (cast<MCConstantExpr>(SubExprVal))->getValue(); | ||||||||
8650 | bool UseMov = true; | ||||||||
8651 | bool MovHasS = true; | ||||||||
8652 | if (Inst.getOpcode() == ARM::LDRConstPool) { | ||||||||
8653 | // ARM Constant | ||||||||
8654 | if (ARM_AM::getSOImmVal(Value) != -1) { | ||||||||
8655 | Value = ARM_AM::getSOImmVal(Value); | ||||||||
8656 | TmpInst.setOpcode(ARM::MOVi); | ||||||||
8657 | } | ||||||||
8658 | else if (ARM_AM::getSOImmVal(~Value) != -1) { | ||||||||
8659 | Value = ARM_AM::getSOImmVal(~Value); | ||||||||
8660 | TmpInst.setOpcode(ARM::MVNi); | ||||||||
8661 | } | ||||||||
8662 | else if (hasV6T2Ops() && | ||||||||
8663 | Value >=0 && Value < 65536) { | ||||||||
8664 | TmpInst.setOpcode(ARM::MOVi16); | ||||||||
8665 | MovHasS = false; | ||||||||
8666 | } | ||||||||
8667 | else | ||||||||
8668 | UseMov = false; | ||||||||
8669 | } | ||||||||
8670 | else { | ||||||||
8671 | // Thumb/Thumb2 Constant | ||||||||
8672 | if (hasThumb2() && | ||||||||
8673 | ARM_AM::getT2SOImmVal(Value) != -1) | ||||||||
8674 | TmpInst.setOpcode(ARM::t2MOVi); | ||||||||
8675 | else if (hasThumb2() && | ||||||||
8676 | ARM_AM::getT2SOImmVal(~Value) != -1) { | ||||||||
8677 | TmpInst.setOpcode(ARM::t2MVNi); | ||||||||
8678 | Value = ~Value; | ||||||||
8679 | } | ||||||||
8680 | else if (hasV8MBaseline() && | ||||||||
8681 | Value >=0 && Value < 65536) { | ||||||||
8682 | TmpInst.setOpcode(ARM::t2MOVi16); | ||||||||
8683 | MovHasS = false; | ||||||||
8684 | } | ||||||||
8685 | else | ||||||||
8686 | UseMov = false; | ||||||||
8687 | } | ||||||||
8688 | if (UseMov) { | ||||||||
8689 | TmpInst.addOperand(Inst.getOperand(0)); // Rt | ||||||||
8690 | TmpInst.addOperand(MCOperand::createImm(Value)); // Immediate | ||||||||
8691 | TmpInst.addOperand(Inst.getOperand(2)); // CondCode | ||||||||
8692 | TmpInst.addOperand(Inst.getOperand(3)); // CondCode | ||||||||
8693 | if (MovHasS) | ||||||||
8694 | TmpInst.addOperand(MCOperand::createReg(0)); // S | ||||||||
8695 | Inst = TmpInst; | ||||||||
8696 | return true; | ||||||||
8697 | } | ||||||||
8698 | } | ||||||||
8699 | // No opportunity to use MOV/MVN create constant pool | ||||||||
8700 | const MCExpr *CPLoc = | ||||||||
8701 | getTargetStreamer().addConstantPoolEntry(SubExprVal, | ||||||||
8702 | PoolOperand.getStartLoc()); | ||||||||
8703 | TmpInst.addOperand(Inst.getOperand(0)); // Rt | ||||||||
8704 | TmpInst.addOperand(MCOperand::createExpr(CPLoc)); // offset to constpool | ||||||||
8705 | if (TmpInst.getOpcode() == ARM::LDRi12) | ||||||||
8706 | TmpInst.addOperand(MCOperand::createImm(0)); // unused offset | ||||||||
8707 | TmpInst.addOperand(Inst.getOperand(2)); // CondCode | ||||||||
8708 | TmpInst.addOperand(Inst.getOperand(3)); // CondCode | ||||||||
8709 | Inst = TmpInst; | ||||||||
8710 | return true; | ||||||||
8711 | } | ||||||||
8712 | // Handle NEON VST complex aliases. | ||||||||
8713 | case ARM::VST1LNdWB_register_Asm_8: | ||||||||
8714 | case ARM::VST1LNdWB_register_Asm_16: | ||||||||
8715 | case ARM::VST1LNdWB_register_Asm_32: { | ||||||||
8716 | MCInst TmpInst; | ||||||||
8717 | // Shuffle the operands around so the lane index operand is in the | ||||||||
8718 | // right place. | ||||||||
8719 | unsigned Spacing; | ||||||||
8720 | TmpInst.setOpcode(getRealVSTOpcode(Inst.getOpcode(), Spacing)); | ||||||||
8721 | TmpInst.addOperand(Inst.getOperand(2)); // Rn_wb | ||||||||
8722 | TmpInst.addOperand(Inst.getOperand(2)); // Rn | ||||||||
8723 | TmpInst.addOperand(Inst.getOperand(3)); // alignment | ||||||||
8724 | TmpInst.addOperand(Inst.getOperand(4)); // Rm | ||||||||
8725 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
8726 | TmpInst.addOperand(Inst.getOperand(1)); // lane | ||||||||
8727 | TmpInst.addOperand(Inst.getOperand(5)); // CondCode | ||||||||
8728 | TmpInst.addOperand(Inst.getOperand(6)); | ||||||||
8729 | Inst = TmpInst; | ||||||||
8730 | return true; | ||||||||
8731 | } | ||||||||
8732 | |||||||||
8733 | case ARM::VST2LNdWB_register_Asm_8: | ||||||||
8734 | case ARM::VST2LNdWB_register_Asm_16: | ||||||||
8735 | case ARM::VST2LNdWB_register_Asm_32: | ||||||||
8736 | case ARM::VST2LNqWB_register_Asm_16: | ||||||||
8737 | case ARM::VST2LNqWB_register_Asm_32: { | ||||||||
8738 | MCInst TmpInst; | ||||||||
8739 | // Shuffle the operands around so the lane index operand is in the | ||||||||
8740 | // right place. | ||||||||
8741 | unsigned Spacing; | ||||||||
8742 | TmpInst.setOpcode(getRealVSTOpcode(Inst.getOpcode(), Spacing)); | ||||||||
8743 | TmpInst.addOperand(Inst.getOperand(2)); // Rn_wb | ||||||||
8744 | TmpInst.addOperand(Inst.getOperand(2)); // Rn | ||||||||
8745 | TmpInst.addOperand(Inst.getOperand(3)); // alignment | ||||||||
8746 | TmpInst.addOperand(Inst.getOperand(4)); // Rm | ||||||||
8747 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
8748 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
8749 | Spacing)); | ||||||||
8750 | TmpInst.addOperand(Inst.getOperand(1)); // lane | ||||||||
8751 | TmpInst.addOperand(Inst.getOperand(5)); // CondCode | ||||||||
8752 | TmpInst.addOperand(Inst.getOperand(6)); | ||||||||
8753 | Inst = TmpInst; | ||||||||
8754 | return true; | ||||||||
8755 | } | ||||||||
8756 | |||||||||
8757 | case ARM::VST3LNdWB_register_Asm_8: | ||||||||
8758 | case ARM::VST3LNdWB_register_Asm_16: | ||||||||
8759 | case ARM::VST3LNdWB_register_Asm_32: | ||||||||
8760 | case ARM::VST3LNqWB_register_Asm_16: | ||||||||
8761 | case ARM::VST3LNqWB_register_Asm_32: { | ||||||||
8762 | MCInst TmpInst; | ||||||||
8763 | // Shuffle the operands around so the lane index operand is in the | ||||||||
8764 | // right place. | ||||||||
8765 | unsigned Spacing; | ||||||||
8766 | TmpInst.setOpcode(getRealVSTOpcode(Inst.getOpcode(), Spacing)); | ||||||||
8767 | TmpInst.addOperand(Inst.getOperand(2)); // Rn_wb | ||||||||
8768 | TmpInst.addOperand(Inst.getOperand(2)); // Rn | ||||||||
8769 | TmpInst.addOperand(Inst.getOperand(3)); // alignment | ||||||||
8770 | TmpInst.addOperand(Inst.getOperand(4)); // Rm | ||||||||
8771 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
8772 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
8773 | Spacing)); | ||||||||
8774 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
8775 | Spacing * 2)); | ||||||||
8776 | TmpInst.addOperand(Inst.getOperand(1)); // lane | ||||||||
8777 | TmpInst.addOperand(Inst.getOperand(5)); // CondCode | ||||||||
8778 | TmpInst.addOperand(Inst.getOperand(6)); | ||||||||
8779 | Inst = TmpInst; | ||||||||
8780 | return true; | ||||||||
8781 | } | ||||||||
8782 | |||||||||
8783 | case ARM::VST4LNdWB_register_Asm_8: | ||||||||
8784 | case ARM::VST4LNdWB_register_Asm_16: | ||||||||
8785 | case ARM::VST4LNdWB_register_Asm_32: | ||||||||
8786 | case ARM::VST4LNqWB_register_Asm_16: | ||||||||
8787 | case ARM::VST4LNqWB_register_Asm_32: { | ||||||||
8788 | MCInst TmpInst; | ||||||||
8789 | // Shuffle the operands around so the lane index operand is in the | ||||||||
8790 | // right place. | ||||||||
8791 | unsigned Spacing; | ||||||||
8792 | TmpInst.setOpcode(getRealVSTOpcode(Inst.getOpcode(), Spacing)); | ||||||||
8793 | TmpInst.addOperand(Inst.getOperand(2)); // Rn_wb | ||||||||
8794 | TmpInst.addOperand(Inst.getOperand(2)); // Rn | ||||||||
8795 | TmpInst.addOperand(Inst.getOperand(3)); // alignment | ||||||||
8796 | TmpInst.addOperand(Inst.getOperand(4)); // Rm | ||||||||
8797 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
8798 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
8799 | Spacing)); | ||||||||
8800 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
8801 | Spacing * 2)); | ||||||||
8802 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
8803 | Spacing * 3)); | ||||||||
8804 | TmpInst.addOperand(Inst.getOperand(1)); // lane | ||||||||
8805 | TmpInst.addOperand(Inst.getOperand(5)); // CondCode | ||||||||
8806 | TmpInst.addOperand(Inst.getOperand(6)); | ||||||||
8807 | Inst = TmpInst; | ||||||||
8808 | return true; | ||||||||
8809 | } | ||||||||
8810 | |||||||||
8811 | case ARM::VST1LNdWB_fixed_Asm_8: | ||||||||
8812 | case ARM::VST1LNdWB_fixed_Asm_16: | ||||||||
8813 | case ARM::VST1LNdWB_fixed_Asm_32: { | ||||||||
8814 | MCInst TmpInst; | ||||||||
8815 | // Shuffle the operands around so the lane index operand is in the | ||||||||
8816 | // right place. | ||||||||
8817 | unsigned Spacing; | ||||||||
8818 | TmpInst.setOpcode(getRealVSTOpcode(Inst.getOpcode(), Spacing)); | ||||||||
8819 | TmpInst.addOperand(Inst.getOperand(2)); // Rn_wb | ||||||||
8820 | TmpInst.addOperand(Inst.getOperand(2)); // Rn | ||||||||
8821 | TmpInst.addOperand(Inst.getOperand(3)); // alignment | ||||||||
8822 | TmpInst.addOperand(MCOperand::createReg(0)); // Rm | ||||||||
8823 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
8824 | TmpInst.addOperand(Inst.getOperand(1)); // lane | ||||||||
8825 | TmpInst.addOperand(Inst.getOperand(4)); // CondCode | ||||||||
8826 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
8827 | Inst = TmpInst; | ||||||||
8828 | return true; | ||||||||
8829 | } | ||||||||
8830 | |||||||||
8831 | case ARM::VST2LNdWB_fixed_Asm_8: | ||||||||
8832 | case ARM::VST2LNdWB_fixed_Asm_16: | ||||||||
8833 | case ARM::VST2LNdWB_fixed_Asm_32: | ||||||||
8834 | case ARM::VST2LNqWB_fixed_Asm_16: | ||||||||
8835 | case ARM::VST2LNqWB_fixed_Asm_32: { | ||||||||
8836 | MCInst TmpInst; | ||||||||
8837 | // Shuffle the operands around so the lane index operand is in the | ||||||||
8838 | // right place. | ||||||||
8839 | unsigned Spacing; | ||||||||
8840 | TmpInst.setOpcode(getRealVSTOpcode(Inst.getOpcode(), Spacing)); | ||||||||
8841 | TmpInst.addOperand(Inst.getOperand(2)); // Rn_wb | ||||||||
8842 | TmpInst.addOperand(Inst.getOperand(2)); // Rn | ||||||||
8843 | TmpInst.addOperand(Inst.getOperand(3)); // alignment | ||||||||
8844 | TmpInst.addOperand(MCOperand::createReg(0)); // Rm | ||||||||
8845 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
8846 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
8847 | Spacing)); | ||||||||
8848 | TmpInst.addOperand(Inst.getOperand(1)); // lane | ||||||||
8849 | TmpInst.addOperand(Inst.getOperand(4)); // CondCode | ||||||||
8850 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
8851 | Inst = TmpInst; | ||||||||
8852 | return true; | ||||||||
8853 | } | ||||||||
8854 | |||||||||
8855 | case ARM::VST3LNdWB_fixed_Asm_8: | ||||||||
8856 | case ARM::VST3LNdWB_fixed_Asm_16: | ||||||||
8857 | case ARM::VST3LNdWB_fixed_Asm_32: | ||||||||
8858 | case ARM::VST3LNqWB_fixed_Asm_16: | ||||||||
8859 | case ARM::VST3LNqWB_fixed_Asm_32: { | ||||||||
8860 | MCInst TmpInst; | ||||||||
8861 | // Shuffle the operands around so the lane index operand is in the | ||||||||
8862 | // right place. | ||||||||
8863 | unsigned Spacing; | ||||||||
8864 | TmpInst.setOpcode(getRealVSTOpcode(Inst.getOpcode(), Spacing)); | ||||||||
8865 | TmpInst.addOperand(Inst.getOperand(2)); // Rn_wb | ||||||||
8866 | TmpInst.addOperand(Inst.getOperand(2)); // Rn | ||||||||
8867 | TmpInst.addOperand(Inst.getOperand(3)); // alignment | ||||||||
8868 | TmpInst.addOperand(MCOperand::createReg(0)); // Rm | ||||||||
8869 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
8870 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
8871 | Spacing)); | ||||||||
8872 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
8873 | Spacing * 2)); | ||||||||
8874 | TmpInst.addOperand(Inst.getOperand(1)); // lane | ||||||||
8875 | TmpInst.addOperand(Inst.getOperand(4)); // CondCode | ||||||||
8876 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
8877 | Inst = TmpInst; | ||||||||
8878 | return true; | ||||||||
8879 | } | ||||||||
8880 | |||||||||
8881 | case ARM::VST4LNdWB_fixed_Asm_8: | ||||||||
8882 | case ARM::VST4LNdWB_fixed_Asm_16: | ||||||||
8883 | case ARM::VST4LNdWB_fixed_Asm_32: | ||||||||
8884 | case ARM::VST4LNqWB_fixed_Asm_16: | ||||||||
8885 | case ARM::VST4LNqWB_fixed_Asm_32: { | ||||||||
8886 | MCInst TmpInst; | ||||||||
8887 | // Shuffle the operands around so the lane index operand is in the | ||||||||
8888 | // right place. | ||||||||
8889 | unsigned Spacing; | ||||||||
8890 | TmpInst.setOpcode(getRealVSTOpcode(Inst.getOpcode(), Spacing)); | ||||||||
8891 | TmpInst.addOperand(Inst.getOperand(2)); // Rn_wb | ||||||||
8892 | TmpInst.addOperand(Inst.getOperand(2)); // Rn | ||||||||
8893 | TmpInst.addOperand(Inst.getOperand(3)); // alignment | ||||||||
8894 | TmpInst.addOperand(MCOperand::createReg(0)); // Rm | ||||||||
8895 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
8896 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
8897 | Spacing)); | ||||||||
8898 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
8899 | Spacing * 2)); | ||||||||
8900 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
8901 | Spacing * 3)); | ||||||||
8902 | TmpInst.addOperand(Inst.getOperand(1)); // lane | ||||||||
8903 | TmpInst.addOperand(Inst.getOperand(4)); // CondCode | ||||||||
8904 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
8905 | Inst = TmpInst; | ||||||||
8906 | return true; | ||||||||
8907 | } | ||||||||
8908 | |||||||||
8909 | case ARM::VST1LNdAsm_8: | ||||||||
8910 | case ARM::VST1LNdAsm_16: | ||||||||
8911 | case ARM::VST1LNdAsm_32: { | ||||||||
8912 | MCInst TmpInst; | ||||||||
8913 | // Shuffle the operands around so the lane index operand is in the | ||||||||
8914 | // right place. | ||||||||
8915 | unsigned Spacing; | ||||||||
8916 | TmpInst.setOpcode(getRealVSTOpcode(Inst.getOpcode(), Spacing)); | ||||||||
8917 | TmpInst.addOperand(Inst.getOperand(2)); // Rn | ||||||||
8918 | TmpInst.addOperand(Inst.getOperand(3)); // alignment | ||||||||
8919 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
8920 | TmpInst.addOperand(Inst.getOperand(1)); // lane | ||||||||
8921 | TmpInst.addOperand(Inst.getOperand(4)); // CondCode | ||||||||
8922 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
8923 | Inst = TmpInst; | ||||||||
8924 | return true; | ||||||||
8925 | } | ||||||||
8926 | |||||||||
8927 | case ARM::VST2LNdAsm_8: | ||||||||
8928 | case ARM::VST2LNdAsm_16: | ||||||||
8929 | case ARM::VST2LNdAsm_32: | ||||||||
8930 | case ARM::VST2LNqAsm_16: | ||||||||
8931 | case ARM::VST2LNqAsm_32: { | ||||||||
8932 | MCInst TmpInst; | ||||||||
8933 | // Shuffle the operands around so the lane index operand is in the | ||||||||
8934 | // right place. | ||||||||
8935 | unsigned Spacing; | ||||||||
8936 | TmpInst.setOpcode(getRealVSTOpcode(Inst.getOpcode(), Spacing)); | ||||||||
8937 | TmpInst.addOperand(Inst.getOperand(2)); // Rn | ||||||||
8938 | TmpInst.addOperand(Inst.getOperand(3)); // alignment | ||||||||
8939 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
8940 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
8941 | Spacing)); | ||||||||
8942 | TmpInst.addOperand(Inst.getOperand(1)); // lane | ||||||||
8943 | TmpInst.addOperand(Inst.getOperand(4)); // CondCode | ||||||||
8944 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
8945 | Inst = TmpInst; | ||||||||
8946 | return true; | ||||||||
8947 | } | ||||||||
8948 | |||||||||
8949 | case ARM::VST3LNdAsm_8: | ||||||||
8950 | case ARM::VST3LNdAsm_16: | ||||||||
8951 | case ARM::VST3LNdAsm_32: | ||||||||
8952 | case ARM::VST3LNqAsm_16: | ||||||||
8953 | case ARM::VST3LNqAsm_32: { | ||||||||
8954 | MCInst TmpInst; | ||||||||
8955 | // Shuffle the operands around so the lane index operand is in the | ||||||||
8956 | // right place. | ||||||||
8957 | unsigned Spacing; | ||||||||
8958 | TmpInst.setOpcode(getRealVSTOpcode(Inst.getOpcode(), Spacing)); | ||||||||
8959 | TmpInst.addOperand(Inst.getOperand(2)); // Rn | ||||||||
8960 | TmpInst.addOperand(Inst.getOperand(3)); // alignment | ||||||||
8961 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
8962 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
8963 | Spacing)); | ||||||||
8964 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
8965 | Spacing * 2)); | ||||||||
8966 | TmpInst.addOperand(Inst.getOperand(1)); // lane | ||||||||
8967 | TmpInst.addOperand(Inst.getOperand(4)); // CondCode | ||||||||
8968 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
8969 | Inst = TmpInst; | ||||||||
8970 | return true; | ||||||||
8971 | } | ||||||||
8972 | |||||||||
8973 | case ARM::VST4LNdAsm_8: | ||||||||
8974 | case ARM::VST4LNdAsm_16: | ||||||||
8975 | case ARM::VST4LNdAsm_32: | ||||||||
8976 | case ARM::VST4LNqAsm_16: | ||||||||
8977 | case ARM::VST4LNqAsm_32: { | ||||||||
8978 | MCInst TmpInst; | ||||||||
8979 | // Shuffle the operands around so the lane index operand is in the | ||||||||
8980 | // right place. | ||||||||
8981 | unsigned Spacing; | ||||||||
8982 | TmpInst.setOpcode(getRealVSTOpcode(Inst.getOpcode(), Spacing)); | ||||||||
8983 | TmpInst.addOperand(Inst.getOperand(2)); // Rn | ||||||||
8984 | TmpInst.addOperand(Inst.getOperand(3)); // alignment | ||||||||
8985 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
8986 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
8987 | Spacing)); | ||||||||
8988 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
8989 | Spacing * 2)); | ||||||||
8990 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
8991 | Spacing * 3)); | ||||||||
8992 | TmpInst.addOperand(Inst.getOperand(1)); // lane | ||||||||
8993 | TmpInst.addOperand(Inst.getOperand(4)); // CondCode | ||||||||
8994 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
8995 | Inst = TmpInst; | ||||||||
8996 | return true; | ||||||||
8997 | } | ||||||||
8998 | |||||||||
8999 | // Handle NEON VLD complex aliases. | ||||||||
9000 | case ARM::VLD1LNdWB_register_Asm_8: | ||||||||
9001 | case ARM::VLD1LNdWB_register_Asm_16: | ||||||||
9002 | case ARM::VLD1LNdWB_register_Asm_32: { | ||||||||
9003 | MCInst TmpInst; | ||||||||
9004 | // Shuffle the operands around so the lane index operand is in the | ||||||||
9005 | // right place. | ||||||||
9006 | unsigned Spacing; | ||||||||
9007 | TmpInst.setOpcode(getRealVLDOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9008 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9009 | TmpInst.addOperand(Inst.getOperand(2)); // Rn_wb | ||||||||
9010 | TmpInst.addOperand(Inst.getOperand(2)); // Rn | ||||||||
9011 | TmpInst.addOperand(Inst.getOperand(3)); // alignment | ||||||||
9012 | TmpInst.addOperand(Inst.getOperand(4)); // Rm | ||||||||
9013 | TmpInst.addOperand(Inst.getOperand(0)); // Tied operand src (== Vd) | ||||||||
9014 | TmpInst.addOperand(Inst.getOperand(1)); // lane | ||||||||
9015 | TmpInst.addOperand(Inst.getOperand(5)); // CondCode | ||||||||
9016 | TmpInst.addOperand(Inst.getOperand(6)); | ||||||||
9017 | Inst = TmpInst; | ||||||||
9018 | return true; | ||||||||
9019 | } | ||||||||
9020 | |||||||||
9021 | case ARM::VLD2LNdWB_register_Asm_8: | ||||||||
9022 | case ARM::VLD2LNdWB_register_Asm_16: | ||||||||
9023 | case ARM::VLD2LNdWB_register_Asm_32: | ||||||||
9024 | case ARM::VLD2LNqWB_register_Asm_16: | ||||||||
9025 | case ARM::VLD2LNqWB_register_Asm_32: { | ||||||||
9026 | MCInst TmpInst; | ||||||||
9027 | // Shuffle the operands around so the lane index operand is in the | ||||||||
9028 | // right place. | ||||||||
9029 | unsigned Spacing; | ||||||||
9030 | TmpInst.setOpcode(getRealVLDOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9031 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9032 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9033 | Spacing)); | ||||||||
9034 | TmpInst.addOperand(Inst.getOperand(2)); // Rn_wb | ||||||||
9035 | TmpInst.addOperand(Inst.getOperand(2)); // Rn | ||||||||
9036 | TmpInst.addOperand(Inst.getOperand(3)); // alignment | ||||||||
9037 | TmpInst.addOperand(Inst.getOperand(4)); // Rm | ||||||||
9038 | TmpInst.addOperand(Inst.getOperand(0)); // Tied operand src (== Vd) | ||||||||
9039 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9040 | Spacing)); | ||||||||
9041 | TmpInst.addOperand(Inst.getOperand(1)); // lane | ||||||||
9042 | TmpInst.addOperand(Inst.getOperand(5)); // CondCode | ||||||||
9043 | TmpInst.addOperand(Inst.getOperand(6)); | ||||||||
9044 | Inst = TmpInst; | ||||||||
9045 | return true; | ||||||||
9046 | } | ||||||||
9047 | |||||||||
9048 | case ARM::VLD3LNdWB_register_Asm_8: | ||||||||
9049 | case ARM::VLD3LNdWB_register_Asm_16: | ||||||||
9050 | case ARM::VLD3LNdWB_register_Asm_32: | ||||||||
9051 | case ARM::VLD3LNqWB_register_Asm_16: | ||||||||
9052 | case ARM::VLD3LNqWB_register_Asm_32: { | ||||||||
9053 | MCInst TmpInst; | ||||||||
9054 | // Shuffle the operands around so the lane index operand is in the | ||||||||
9055 | // right place. | ||||||||
9056 | unsigned Spacing; | ||||||||
9057 | TmpInst.setOpcode(getRealVLDOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9058 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9059 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9060 | Spacing)); | ||||||||
9061 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9062 | Spacing * 2)); | ||||||||
9063 | TmpInst.addOperand(Inst.getOperand(2)); // Rn_wb | ||||||||
9064 | TmpInst.addOperand(Inst.getOperand(2)); // Rn | ||||||||
9065 | TmpInst.addOperand(Inst.getOperand(3)); // alignment | ||||||||
9066 | TmpInst.addOperand(Inst.getOperand(4)); // Rm | ||||||||
9067 | TmpInst.addOperand(Inst.getOperand(0)); // Tied operand src (== Vd) | ||||||||
9068 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9069 | Spacing)); | ||||||||
9070 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9071 | Spacing * 2)); | ||||||||
9072 | TmpInst.addOperand(Inst.getOperand(1)); // lane | ||||||||
9073 | TmpInst.addOperand(Inst.getOperand(5)); // CondCode | ||||||||
9074 | TmpInst.addOperand(Inst.getOperand(6)); | ||||||||
9075 | Inst = TmpInst; | ||||||||
9076 | return true; | ||||||||
9077 | } | ||||||||
9078 | |||||||||
9079 | case ARM::VLD4LNdWB_register_Asm_8: | ||||||||
9080 | case ARM::VLD4LNdWB_register_Asm_16: | ||||||||
9081 | case ARM::VLD4LNdWB_register_Asm_32: | ||||||||
9082 | case ARM::VLD4LNqWB_register_Asm_16: | ||||||||
9083 | case ARM::VLD4LNqWB_register_Asm_32: { | ||||||||
9084 | MCInst TmpInst; | ||||||||
9085 | // Shuffle the operands around so the lane index operand is in the | ||||||||
9086 | // right place. | ||||||||
9087 | unsigned Spacing; | ||||||||
9088 | TmpInst.setOpcode(getRealVLDOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9089 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9090 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9091 | Spacing)); | ||||||||
9092 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9093 | Spacing * 2)); | ||||||||
9094 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9095 | Spacing * 3)); | ||||||||
9096 | TmpInst.addOperand(Inst.getOperand(2)); // Rn_wb | ||||||||
9097 | TmpInst.addOperand(Inst.getOperand(2)); // Rn | ||||||||
9098 | TmpInst.addOperand(Inst.getOperand(3)); // alignment | ||||||||
9099 | TmpInst.addOperand(Inst.getOperand(4)); // Rm | ||||||||
9100 | TmpInst.addOperand(Inst.getOperand(0)); // Tied operand src (== Vd) | ||||||||
9101 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9102 | Spacing)); | ||||||||
9103 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9104 | Spacing * 2)); | ||||||||
9105 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9106 | Spacing * 3)); | ||||||||
9107 | TmpInst.addOperand(Inst.getOperand(1)); // lane | ||||||||
9108 | TmpInst.addOperand(Inst.getOperand(5)); // CondCode | ||||||||
9109 | TmpInst.addOperand(Inst.getOperand(6)); | ||||||||
9110 | Inst = TmpInst; | ||||||||
9111 | return true; | ||||||||
9112 | } | ||||||||
9113 | |||||||||
9114 | case ARM::VLD1LNdWB_fixed_Asm_8: | ||||||||
9115 | case ARM::VLD1LNdWB_fixed_Asm_16: | ||||||||
9116 | case ARM::VLD1LNdWB_fixed_Asm_32: { | ||||||||
9117 | MCInst TmpInst; | ||||||||
9118 | // Shuffle the operands around so the lane index operand is in the | ||||||||
9119 | // right place. | ||||||||
9120 | unsigned Spacing; | ||||||||
9121 | TmpInst.setOpcode(getRealVLDOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9122 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9123 | TmpInst.addOperand(Inst.getOperand(2)); // Rn_wb | ||||||||
9124 | TmpInst.addOperand(Inst.getOperand(2)); // Rn | ||||||||
9125 | TmpInst.addOperand(Inst.getOperand(3)); // alignment | ||||||||
9126 | TmpInst.addOperand(MCOperand::createReg(0)); // Rm | ||||||||
9127 | TmpInst.addOperand(Inst.getOperand(0)); // Tied operand src (== Vd) | ||||||||
9128 | TmpInst.addOperand(Inst.getOperand(1)); // lane | ||||||||
9129 | TmpInst.addOperand(Inst.getOperand(4)); // CondCode | ||||||||
9130 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
9131 | Inst = TmpInst; | ||||||||
9132 | return true; | ||||||||
9133 | } | ||||||||
9134 | |||||||||
9135 | case ARM::VLD2LNdWB_fixed_Asm_8: | ||||||||
9136 | case ARM::VLD2LNdWB_fixed_Asm_16: | ||||||||
9137 | case ARM::VLD2LNdWB_fixed_Asm_32: | ||||||||
9138 | case ARM::VLD2LNqWB_fixed_Asm_16: | ||||||||
9139 | case ARM::VLD2LNqWB_fixed_Asm_32: { | ||||||||
9140 | MCInst TmpInst; | ||||||||
9141 | // Shuffle the operands around so the lane index operand is in the | ||||||||
9142 | // right place. | ||||||||
9143 | unsigned Spacing; | ||||||||
9144 | TmpInst.setOpcode(getRealVLDOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9145 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9146 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9147 | Spacing)); | ||||||||
9148 | TmpInst.addOperand(Inst.getOperand(2)); // Rn_wb | ||||||||
9149 | TmpInst.addOperand(Inst.getOperand(2)); // Rn | ||||||||
9150 | TmpInst.addOperand(Inst.getOperand(3)); // alignment | ||||||||
9151 | TmpInst.addOperand(MCOperand::createReg(0)); // Rm | ||||||||
9152 | TmpInst.addOperand(Inst.getOperand(0)); // Tied operand src (== Vd) | ||||||||
9153 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9154 | Spacing)); | ||||||||
9155 | TmpInst.addOperand(Inst.getOperand(1)); // lane | ||||||||
9156 | TmpInst.addOperand(Inst.getOperand(4)); // CondCode | ||||||||
9157 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
9158 | Inst = TmpInst; | ||||||||
9159 | return true; | ||||||||
9160 | } | ||||||||
9161 | |||||||||
9162 | case ARM::VLD3LNdWB_fixed_Asm_8: | ||||||||
9163 | case ARM::VLD3LNdWB_fixed_Asm_16: | ||||||||
9164 | case ARM::VLD3LNdWB_fixed_Asm_32: | ||||||||
9165 | case ARM::VLD3LNqWB_fixed_Asm_16: | ||||||||
9166 | case ARM::VLD3LNqWB_fixed_Asm_32: { | ||||||||
9167 | MCInst TmpInst; | ||||||||
9168 | // Shuffle the operands around so the lane index operand is in the | ||||||||
9169 | // right place. | ||||||||
9170 | unsigned Spacing; | ||||||||
9171 | TmpInst.setOpcode(getRealVLDOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9172 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9173 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9174 | Spacing)); | ||||||||
9175 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9176 | Spacing * 2)); | ||||||||
9177 | TmpInst.addOperand(Inst.getOperand(2)); // Rn_wb | ||||||||
9178 | TmpInst.addOperand(Inst.getOperand(2)); // Rn | ||||||||
9179 | TmpInst.addOperand(Inst.getOperand(3)); // alignment | ||||||||
9180 | TmpInst.addOperand(MCOperand::createReg(0)); // Rm | ||||||||
9181 | TmpInst.addOperand(Inst.getOperand(0)); // Tied operand src (== Vd) | ||||||||
9182 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9183 | Spacing)); | ||||||||
9184 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9185 | Spacing * 2)); | ||||||||
9186 | TmpInst.addOperand(Inst.getOperand(1)); // lane | ||||||||
9187 | TmpInst.addOperand(Inst.getOperand(4)); // CondCode | ||||||||
9188 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
9189 | Inst = TmpInst; | ||||||||
9190 | return true; | ||||||||
9191 | } | ||||||||
9192 | |||||||||
9193 | case ARM::VLD4LNdWB_fixed_Asm_8: | ||||||||
9194 | case ARM::VLD4LNdWB_fixed_Asm_16: | ||||||||
9195 | case ARM::VLD4LNdWB_fixed_Asm_32: | ||||||||
9196 | case ARM::VLD4LNqWB_fixed_Asm_16: | ||||||||
9197 | case ARM::VLD4LNqWB_fixed_Asm_32: { | ||||||||
9198 | MCInst TmpInst; | ||||||||
9199 | // Shuffle the operands around so the lane index operand is in the | ||||||||
9200 | // right place. | ||||||||
9201 | unsigned Spacing; | ||||||||
9202 | TmpInst.setOpcode(getRealVLDOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9203 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9204 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9205 | Spacing)); | ||||||||
9206 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9207 | Spacing * 2)); | ||||||||
9208 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9209 | Spacing * 3)); | ||||||||
9210 | TmpInst.addOperand(Inst.getOperand(2)); // Rn_wb | ||||||||
9211 | TmpInst.addOperand(Inst.getOperand(2)); // Rn | ||||||||
9212 | TmpInst.addOperand(Inst.getOperand(3)); // alignment | ||||||||
9213 | TmpInst.addOperand(MCOperand::createReg(0)); // Rm | ||||||||
9214 | TmpInst.addOperand(Inst.getOperand(0)); // Tied operand src (== Vd) | ||||||||
9215 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9216 | Spacing)); | ||||||||
9217 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9218 | Spacing * 2)); | ||||||||
9219 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9220 | Spacing * 3)); | ||||||||
9221 | TmpInst.addOperand(Inst.getOperand(1)); // lane | ||||||||
9222 | TmpInst.addOperand(Inst.getOperand(4)); // CondCode | ||||||||
9223 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
9224 | Inst = TmpInst; | ||||||||
9225 | return true; | ||||||||
9226 | } | ||||||||
9227 | |||||||||
9228 | case ARM::VLD1LNdAsm_8: | ||||||||
9229 | case ARM::VLD1LNdAsm_16: | ||||||||
9230 | case ARM::VLD1LNdAsm_32: { | ||||||||
9231 | MCInst TmpInst; | ||||||||
9232 | // Shuffle the operands around so the lane index operand is in the | ||||||||
9233 | // right place. | ||||||||
9234 | unsigned Spacing; | ||||||||
9235 | TmpInst.setOpcode(getRealVLDOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9236 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9237 | TmpInst.addOperand(Inst.getOperand(2)); // Rn | ||||||||
9238 | TmpInst.addOperand(Inst.getOperand(3)); // alignment | ||||||||
9239 | TmpInst.addOperand(Inst.getOperand(0)); // Tied operand src (== Vd) | ||||||||
9240 | TmpInst.addOperand(Inst.getOperand(1)); // lane | ||||||||
9241 | TmpInst.addOperand(Inst.getOperand(4)); // CondCode | ||||||||
9242 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
9243 | Inst = TmpInst; | ||||||||
9244 | return true; | ||||||||
9245 | } | ||||||||
9246 | |||||||||
9247 | case ARM::VLD2LNdAsm_8: | ||||||||
9248 | case ARM::VLD2LNdAsm_16: | ||||||||
9249 | case ARM::VLD2LNdAsm_32: | ||||||||
9250 | case ARM::VLD2LNqAsm_16: | ||||||||
9251 | case ARM::VLD2LNqAsm_32: { | ||||||||
9252 | MCInst TmpInst; | ||||||||
9253 | // Shuffle the operands around so the lane index operand is in the | ||||||||
9254 | // right place. | ||||||||
9255 | unsigned Spacing; | ||||||||
9256 | TmpInst.setOpcode(getRealVLDOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9257 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9258 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9259 | Spacing)); | ||||||||
9260 | TmpInst.addOperand(Inst.getOperand(2)); // Rn | ||||||||
9261 | TmpInst.addOperand(Inst.getOperand(3)); // alignment | ||||||||
9262 | TmpInst.addOperand(Inst.getOperand(0)); // Tied operand src (== Vd) | ||||||||
9263 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9264 | Spacing)); | ||||||||
9265 | TmpInst.addOperand(Inst.getOperand(1)); // lane | ||||||||
9266 | TmpInst.addOperand(Inst.getOperand(4)); // CondCode | ||||||||
9267 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
9268 | Inst = TmpInst; | ||||||||
9269 | return true; | ||||||||
9270 | } | ||||||||
9271 | |||||||||
9272 | case ARM::VLD3LNdAsm_8: | ||||||||
9273 | case ARM::VLD3LNdAsm_16: | ||||||||
9274 | case ARM::VLD3LNdAsm_32: | ||||||||
9275 | case ARM::VLD3LNqAsm_16: | ||||||||
9276 | case ARM::VLD3LNqAsm_32: { | ||||||||
9277 | MCInst TmpInst; | ||||||||
9278 | // Shuffle the operands around so the lane index operand is in the | ||||||||
9279 | // right place. | ||||||||
9280 | unsigned Spacing; | ||||||||
9281 | TmpInst.setOpcode(getRealVLDOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9282 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9283 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9284 | Spacing)); | ||||||||
9285 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9286 | Spacing * 2)); | ||||||||
9287 | TmpInst.addOperand(Inst.getOperand(2)); // Rn | ||||||||
9288 | TmpInst.addOperand(Inst.getOperand(3)); // alignment | ||||||||
9289 | TmpInst.addOperand(Inst.getOperand(0)); // Tied operand src (== Vd) | ||||||||
9290 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9291 | Spacing)); | ||||||||
9292 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9293 | Spacing * 2)); | ||||||||
9294 | TmpInst.addOperand(Inst.getOperand(1)); // lane | ||||||||
9295 | TmpInst.addOperand(Inst.getOperand(4)); // CondCode | ||||||||
9296 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
9297 | Inst = TmpInst; | ||||||||
9298 | return true; | ||||||||
9299 | } | ||||||||
9300 | |||||||||
9301 | case ARM::VLD4LNdAsm_8: | ||||||||
9302 | case ARM::VLD4LNdAsm_16: | ||||||||
9303 | case ARM::VLD4LNdAsm_32: | ||||||||
9304 | case ARM::VLD4LNqAsm_16: | ||||||||
9305 | case ARM::VLD4LNqAsm_32: { | ||||||||
9306 | MCInst TmpInst; | ||||||||
9307 | // Shuffle the operands around so the lane index operand is in the | ||||||||
9308 | // right place. | ||||||||
9309 | unsigned Spacing; | ||||||||
9310 | TmpInst.setOpcode(getRealVLDOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9311 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9312 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9313 | Spacing)); | ||||||||
9314 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9315 | Spacing * 2)); | ||||||||
9316 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9317 | Spacing * 3)); | ||||||||
9318 | TmpInst.addOperand(Inst.getOperand(2)); // Rn | ||||||||
9319 | TmpInst.addOperand(Inst.getOperand(3)); // alignment | ||||||||
9320 | TmpInst.addOperand(Inst.getOperand(0)); // Tied operand src (== Vd) | ||||||||
9321 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9322 | Spacing)); | ||||||||
9323 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9324 | Spacing * 2)); | ||||||||
9325 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9326 | Spacing * 3)); | ||||||||
9327 | TmpInst.addOperand(Inst.getOperand(1)); // lane | ||||||||
9328 | TmpInst.addOperand(Inst.getOperand(4)); // CondCode | ||||||||
9329 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
9330 | Inst = TmpInst; | ||||||||
9331 | return true; | ||||||||
9332 | } | ||||||||
9333 | |||||||||
9334 | // VLD3DUP single 3-element structure to all lanes instructions. | ||||||||
9335 | case ARM::VLD3DUPdAsm_8: | ||||||||
9336 | case ARM::VLD3DUPdAsm_16: | ||||||||
9337 | case ARM::VLD3DUPdAsm_32: | ||||||||
9338 | case ARM::VLD3DUPqAsm_8: | ||||||||
9339 | case ARM::VLD3DUPqAsm_16: | ||||||||
9340 | case ARM::VLD3DUPqAsm_32: { | ||||||||
9341 | MCInst TmpInst; | ||||||||
9342 | unsigned Spacing; | ||||||||
9343 | TmpInst.setOpcode(getRealVLDOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9344 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9345 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9346 | Spacing)); | ||||||||
9347 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9348 | Spacing * 2)); | ||||||||
9349 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9350 | TmpInst.addOperand(Inst.getOperand(2)); // alignment | ||||||||
9351 | TmpInst.addOperand(Inst.getOperand(3)); // CondCode | ||||||||
9352 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
9353 | Inst = TmpInst; | ||||||||
9354 | return true; | ||||||||
9355 | } | ||||||||
9356 | |||||||||
9357 | case ARM::VLD3DUPdWB_fixed_Asm_8: | ||||||||
9358 | case ARM::VLD3DUPdWB_fixed_Asm_16: | ||||||||
9359 | case ARM::VLD3DUPdWB_fixed_Asm_32: | ||||||||
9360 | case ARM::VLD3DUPqWB_fixed_Asm_8: | ||||||||
9361 | case ARM::VLD3DUPqWB_fixed_Asm_16: | ||||||||
9362 | case ARM::VLD3DUPqWB_fixed_Asm_32: { | ||||||||
9363 | MCInst TmpInst; | ||||||||
9364 | unsigned Spacing; | ||||||||
9365 | TmpInst.setOpcode(getRealVLDOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9366 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9367 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9368 | Spacing)); | ||||||||
9369 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9370 | Spacing * 2)); | ||||||||
9371 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9372 | TmpInst.addOperand(Inst.getOperand(1)); // Rn_wb == tied Rn | ||||||||
9373 | TmpInst.addOperand(Inst.getOperand(2)); // alignment | ||||||||
9374 | TmpInst.addOperand(MCOperand::createReg(0)); // Rm | ||||||||
9375 | TmpInst.addOperand(Inst.getOperand(3)); // CondCode | ||||||||
9376 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
9377 | Inst = TmpInst; | ||||||||
9378 | return true; | ||||||||
9379 | } | ||||||||
9380 | |||||||||
9381 | case ARM::VLD3DUPdWB_register_Asm_8: | ||||||||
9382 | case ARM::VLD3DUPdWB_register_Asm_16: | ||||||||
9383 | case ARM::VLD3DUPdWB_register_Asm_32: | ||||||||
9384 | case ARM::VLD3DUPqWB_register_Asm_8: | ||||||||
9385 | case ARM::VLD3DUPqWB_register_Asm_16: | ||||||||
9386 | case ARM::VLD3DUPqWB_register_Asm_32: { | ||||||||
9387 | MCInst TmpInst; | ||||||||
9388 | unsigned Spacing; | ||||||||
9389 | TmpInst.setOpcode(getRealVLDOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9390 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9391 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9392 | Spacing)); | ||||||||
9393 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9394 | Spacing * 2)); | ||||||||
9395 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9396 | TmpInst.addOperand(Inst.getOperand(1)); // Rn_wb == tied Rn | ||||||||
9397 | TmpInst.addOperand(Inst.getOperand(2)); // alignment | ||||||||
9398 | TmpInst.addOperand(Inst.getOperand(3)); // Rm | ||||||||
9399 | TmpInst.addOperand(Inst.getOperand(4)); // CondCode | ||||||||
9400 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
9401 | Inst = TmpInst; | ||||||||
9402 | return true; | ||||||||
9403 | } | ||||||||
9404 | |||||||||
9405 | // VLD3 multiple 3-element structure instructions. | ||||||||
9406 | case ARM::VLD3dAsm_8: | ||||||||
9407 | case ARM::VLD3dAsm_16: | ||||||||
9408 | case ARM::VLD3dAsm_32: | ||||||||
9409 | case ARM::VLD3qAsm_8: | ||||||||
9410 | case ARM::VLD3qAsm_16: | ||||||||
9411 | case ARM::VLD3qAsm_32: { | ||||||||
9412 | MCInst TmpInst; | ||||||||
9413 | unsigned Spacing; | ||||||||
9414 | TmpInst.setOpcode(getRealVLDOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9415 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9416 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9417 | Spacing)); | ||||||||
9418 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9419 | Spacing * 2)); | ||||||||
9420 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9421 | TmpInst.addOperand(Inst.getOperand(2)); // alignment | ||||||||
9422 | TmpInst.addOperand(Inst.getOperand(3)); // CondCode | ||||||||
9423 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
9424 | Inst = TmpInst; | ||||||||
9425 | return true; | ||||||||
9426 | } | ||||||||
9427 | |||||||||
9428 | case ARM::VLD3dWB_fixed_Asm_8: | ||||||||
9429 | case ARM::VLD3dWB_fixed_Asm_16: | ||||||||
9430 | case ARM::VLD3dWB_fixed_Asm_32: | ||||||||
9431 | case ARM::VLD3qWB_fixed_Asm_8: | ||||||||
9432 | case ARM::VLD3qWB_fixed_Asm_16: | ||||||||
9433 | case ARM::VLD3qWB_fixed_Asm_32: { | ||||||||
9434 | MCInst TmpInst; | ||||||||
9435 | unsigned Spacing; | ||||||||
9436 | TmpInst.setOpcode(getRealVLDOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9437 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9438 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9439 | Spacing)); | ||||||||
9440 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9441 | Spacing * 2)); | ||||||||
9442 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9443 | TmpInst.addOperand(Inst.getOperand(1)); // Rn_wb == tied Rn | ||||||||
9444 | TmpInst.addOperand(Inst.getOperand(2)); // alignment | ||||||||
9445 | TmpInst.addOperand(MCOperand::createReg(0)); // Rm | ||||||||
9446 | TmpInst.addOperand(Inst.getOperand(3)); // CondCode | ||||||||
9447 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
9448 | Inst = TmpInst; | ||||||||
9449 | return true; | ||||||||
9450 | } | ||||||||
9451 | |||||||||
9452 | case ARM::VLD3dWB_register_Asm_8: | ||||||||
9453 | case ARM::VLD3dWB_register_Asm_16: | ||||||||
9454 | case ARM::VLD3dWB_register_Asm_32: | ||||||||
9455 | case ARM::VLD3qWB_register_Asm_8: | ||||||||
9456 | case ARM::VLD3qWB_register_Asm_16: | ||||||||
9457 | case ARM::VLD3qWB_register_Asm_32: { | ||||||||
9458 | MCInst TmpInst; | ||||||||
9459 | unsigned Spacing; | ||||||||
9460 | TmpInst.setOpcode(getRealVLDOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9461 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9462 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9463 | Spacing)); | ||||||||
9464 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9465 | Spacing * 2)); | ||||||||
9466 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9467 | TmpInst.addOperand(Inst.getOperand(1)); // Rn_wb == tied Rn | ||||||||
9468 | TmpInst.addOperand(Inst.getOperand(2)); // alignment | ||||||||
9469 | TmpInst.addOperand(Inst.getOperand(3)); // Rm | ||||||||
9470 | TmpInst.addOperand(Inst.getOperand(4)); // CondCode | ||||||||
9471 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
9472 | Inst = TmpInst; | ||||||||
9473 | return true; | ||||||||
9474 | } | ||||||||
9475 | |||||||||
9476 | // VLD4DUP single 3-element structure to all lanes instructions. | ||||||||
9477 | case ARM::VLD4DUPdAsm_8: | ||||||||
9478 | case ARM::VLD4DUPdAsm_16: | ||||||||
9479 | case ARM::VLD4DUPdAsm_32: | ||||||||
9480 | case ARM::VLD4DUPqAsm_8: | ||||||||
9481 | case ARM::VLD4DUPqAsm_16: | ||||||||
9482 | case ARM::VLD4DUPqAsm_32: { | ||||||||
9483 | MCInst TmpInst; | ||||||||
9484 | unsigned Spacing; | ||||||||
9485 | TmpInst.setOpcode(getRealVLDOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9486 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9487 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9488 | Spacing)); | ||||||||
9489 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9490 | Spacing * 2)); | ||||||||
9491 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9492 | Spacing * 3)); | ||||||||
9493 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9494 | TmpInst.addOperand(Inst.getOperand(2)); // alignment | ||||||||
9495 | TmpInst.addOperand(Inst.getOperand(3)); // CondCode | ||||||||
9496 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
9497 | Inst = TmpInst; | ||||||||
9498 | return true; | ||||||||
9499 | } | ||||||||
9500 | |||||||||
9501 | case ARM::VLD4DUPdWB_fixed_Asm_8: | ||||||||
9502 | case ARM::VLD4DUPdWB_fixed_Asm_16: | ||||||||
9503 | case ARM::VLD4DUPdWB_fixed_Asm_32: | ||||||||
9504 | case ARM::VLD4DUPqWB_fixed_Asm_8: | ||||||||
9505 | case ARM::VLD4DUPqWB_fixed_Asm_16: | ||||||||
9506 | case ARM::VLD4DUPqWB_fixed_Asm_32: { | ||||||||
9507 | MCInst TmpInst; | ||||||||
9508 | unsigned Spacing; | ||||||||
9509 | TmpInst.setOpcode(getRealVLDOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9510 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9511 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9512 | Spacing)); | ||||||||
9513 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9514 | Spacing * 2)); | ||||||||
9515 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9516 | Spacing * 3)); | ||||||||
9517 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9518 | TmpInst.addOperand(Inst.getOperand(1)); // Rn_wb == tied Rn | ||||||||
9519 | TmpInst.addOperand(Inst.getOperand(2)); // alignment | ||||||||
9520 | TmpInst.addOperand(MCOperand::createReg(0)); // Rm | ||||||||
9521 | TmpInst.addOperand(Inst.getOperand(3)); // CondCode | ||||||||
9522 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
9523 | Inst = TmpInst; | ||||||||
9524 | return true; | ||||||||
9525 | } | ||||||||
9526 | |||||||||
9527 | case ARM::VLD4DUPdWB_register_Asm_8: | ||||||||
9528 | case ARM::VLD4DUPdWB_register_Asm_16: | ||||||||
9529 | case ARM::VLD4DUPdWB_register_Asm_32: | ||||||||
9530 | case ARM::VLD4DUPqWB_register_Asm_8: | ||||||||
9531 | case ARM::VLD4DUPqWB_register_Asm_16: | ||||||||
9532 | case ARM::VLD4DUPqWB_register_Asm_32: { | ||||||||
9533 | MCInst TmpInst; | ||||||||
9534 | unsigned Spacing; | ||||||||
9535 | TmpInst.setOpcode(getRealVLDOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9536 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9537 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9538 | Spacing)); | ||||||||
9539 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9540 | Spacing * 2)); | ||||||||
9541 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9542 | Spacing * 3)); | ||||||||
9543 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9544 | TmpInst.addOperand(Inst.getOperand(1)); // Rn_wb == tied Rn | ||||||||
9545 | TmpInst.addOperand(Inst.getOperand(2)); // alignment | ||||||||
9546 | TmpInst.addOperand(Inst.getOperand(3)); // Rm | ||||||||
9547 | TmpInst.addOperand(Inst.getOperand(4)); // CondCode | ||||||||
9548 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
9549 | Inst = TmpInst; | ||||||||
9550 | return true; | ||||||||
9551 | } | ||||||||
9552 | |||||||||
9553 | // VLD4 multiple 4-element structure instructions. | ||||||||
9554 | case ARM::VLD4dAsm_8: | ||||||||
9555 | case ARM::VLD4dAsm_16: | ||||||||
9556 | case ARM::VLD4dAsm_32: | ||||||||
9557 | case ARM::VLD4qAsm_8: | ||||||||
9558 | case ARM::VLD4qAsm_16: | ||||||||
9559 | case ARM::VLD4qAsm_32: { | ||||||||
9560 | MCInst TmpInst; | ||||||||
9561 | unsigned Spacing; | ||||||||
9562 | TmpInst.setOpcode(getRealVLDOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9563 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9564 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9565 | Spacing)); | ||||||||
9566 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9567 | Spacing * 2)); | ||||||||
9568 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9569 | Spacing * 3)); | ||||||||
9570 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9571 | TmpInst.addOperand(Inst.getOperand(2)); // alignment | ||||||||
9572 | TmpInst.addOperand(Inst.getOperand(3)); // CondCode | ||||||||
9573 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
9574 | Inst = TmpInst; | ||||||||
9575 | return true; | ||||||||
9576 | } | ||||||||
9577 | |||||||||
9578 | case ARM::VLD4dWB_fixed_Asm_8: | ||||||||
9579 | case ARM::VLD4dWB_fixed_Asm_16: | ||||||||
9580 | case ARM::VLD4dWB_fixed_Asm_32: | ||||||||
9581 | case ARM::VLD4qWB_fixed_Asm_8: | ||||||||
9582 | case ARM::VLD4qWB_fixed_Asm_16: | ||||||||
9583 | case ARM::VLD4qWB_fixed_Asm_32: { | ||||||||
9584 | MCInst TmpInst; | ||||||||
9585 | unsigned Spacing; | ||||||||
9586 | TmpInst.setOpcode(getRealVLDOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9587 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9588 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9589 | Spacing)); | ||||||||
9590 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9591 | Spacing * 2)); | ||||||||
9592 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9593 | Spacing * 3)); | ||||||||
9594 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9595 | TmpInst.addOperand(Inst.getOperand(1)); // Rn_wb == tied Rn | ||||||||
9596 | TmpInst.addOperand(Inst.getOperand(2)); // alignment | ||||||||
9597 | TmpInst.addOperand(MCOperand::createReg(0)); // Rm | ||||||||
9598 | TmpInst.addOperand(Inst.getOperand(3)); // CondCode | ||||||||
9599 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
9600 | Inst = TmpInst; | ||||||||
9601 | return true; | ||||||||
9602 | } | ||||||||
9603 | |||||||||
9604 | case ARM::VLD4dWB_register_Asm_8: | ||||||||
9605 | case ARM::VLD4dWB_register_Asm_16: | ||||||||
9606 | case ARM::VLD4dWB_register_Asm_32: | ||||||||
9607 | case ARM::VLD4qWB_register_Asm_8: | ||||||||
9608 | case ARM::VLD4qWB_register_Asm_16: | ||||||||
9609 | case ARM::VLD4qWB_register_Asm_32: { | ||||||||
9610 | MCInst TmpInst; | ||||||||
9611 | unsigned Spacing; | ||||||||
9612 | TmpInst.setOpcode(getRealVLDOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9613 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9614 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9615 | Spacing)); | ||||||||
9616 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9617 | Spacing * 2)); | ||||||||
9618 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9619 | Spacing * 3)); | ||||||||
9620 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9621 | TmpInst.addOperand(Inst.getOperand(1)); // Rn_wb == tied Rn | ||||||||
9622 | TmpInst.addOperand(Inst.getOperand(2)); // alignment | ||||||||
9623 | TmpInst.addOperand(Inst.getOperand(3)); // Rm | ||||||||
9624 | TmpInst.addOperand(Inst.getOperand(4)); // CondCode | ||||||||
9625 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
9626 | Inst = TmpInst; | ||||||||
9627 | return true; | ||||||||
9628 | } | ||||||||
9629 | |||||||||
9630 | // VST3 multiple 3-element structure instructions. | ||||||||
9631 | case ARM::VST3dAsm_8: | ||||||||
9632 | case ARM::VST3dAsm_16: | ||||||||
9633 | case ARM::VST3dAsm_32: | ||||||||
9634 | case ARM::VST3qAsm_8: | ||||||||
9635 | case ARM::VST3qAsm_16: | ||||||||
9636 | case ARM::VST3qAsm_32: { | ||||||||
9637 | MCInst TmpInst; | ||||||||
9638 | unsigned Spacing; | ||||||||
9639 | TmpInst.setOpcode(getRealVSTOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9640 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9641 | TmpInst.addOperand(Inst.getOperand(2)); // alignment | ||||||||
9642 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9643 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9644 | Spacing)); | ||||||||
9645 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9646 | Spacing * 2)); | ||||||||
9647 | TmpInst.addOperand(Inst.getOperand(3)); // CondCode | ||||||||
9648 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
9649 | Inst = TmpInst; | ||||||||
9650 | return true; | ||||||||
9651 | } | ||||||||
9652 | |||||||||
9653 | case ARM::VST3dWB_fixed_Asm_8: | ||||||||
9654 | case ARM::VST3dWB_fixed_Asm_16: | ||||||||
9655 | case ARM::VST3dWB_fixed_Asm_32: | ||||||||
9656 | case ARM::VST3qWB_fixed_Asm_8: | ||||||||
9657 | case ARM::VST3qWB_fixed_Asm_16: | ||||||||
9658 | case ARM::VST3qWB_fixed_Asm_32: { | ||||||||
9659 | MCInst TmpInst; | ||||||||
9660 | unsigned Spacing; | ||||||||
9661 | TmpInst.setOpcode(getRealVSTOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9662 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9663 | TmpInst.addOperand(Inst.getOperand(1)); // Rn_wb == tied Rn | ||||||||
9664 | TmpInst.addOperand(Inst.getOperand(2)); // alignment | ||||||||
9665 | TmpInst.addOperand(MCOperand::createReg(0)); // Rm | ||||||||
9666 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9667 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9668 | Spacing)); | ||||||||
9669 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9670 | Spacing * 2)); | ||||||||
9671 | TmpInst.addOperand(Inst.getOperand(3)); // CondCode | ||||||||
9672 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
9673 | Inst = TmpInst; | ||||||||
9674 | return true; | ||||||||
9675 | } | ||||||||
9676 | |||||||||
9677 | case ARM::VST3dWB_register_Asm_8: | ||||||||
9678 | case ARM::VST3dWB_register_Asm_16: | ||||||||
9679 | case ARM::VST3dWB_register_Asm_32: | ||||||||
9680 | case ARM::VST3qWB_register_Asm_8: | ||||||||
9681 | case ARM::VST3qWB_register_Asm_16: | ||||||||
9682 | case ARM::VST3qWB_register_Asm_32: { | ||||||||
9683 | MCInst TmpInst; | ||||||||
9684 | unsigned Spacing; | ||||||||
9685 | TmpInst.setOpcode(getRealVSTOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9686 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9687 | TmpInst.addOperand(Inst.getOperand(1)); // Rn_wb == tied Rn | ||||||||
9688 | TmpInst.addOperand(Inst.getOperand(2)); // alignment | ||||||||
9689 | TmpInst.addOperand(Inst.getOperand(3)); // Rm | ||||||||
9690 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9691 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9692 | Spacing)); | ||||||||
9693 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9694 | Spacing * 2)); | ||||||||
9695 | TmpInst.addOperand(Inst.getOperand(4)); // CondCode | ||||||||
9696 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
9697 | Inst = TmpInst; | ||||||||
9698 | return true; | ||||||||
9699 | } | ||||||||
9700 | |||||||||
9701 | // VST4 multiple 3-element structure instructions. | ||||||||
9702 | case ARM::VST4dAsm_8: | ||||||||
9703 | case ARM::VST4dAsm_16: | ||||||||
9704 | case ARM::VST4dAsm_32: | ||||||||
9705 | case ARM::VST4qAsm_8: | ||||||||
9706 | case ARM::VST4qAsm_16: | ||||||||
9707 | case ARM::VST4qAsm_32: { | ||||||||
9708 | MCInst TmpInst; | ||||||||
9709 | unsigned Spacing; | ||||||||
9710 | TmpInst.setOpcode(getRealVSTOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9711 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9712 | TmpInst.addOperand(Inst.getOperand(2)); // alignment | ||||||||
9713 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9714 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9715 | Spacing)); | ||||||||
9716 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9717 | Spacing * 2)); | ||||||||
9718 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9719 | Spacing * 3)); | ||||||||
9720 | TmpInst.addOperand(Inst.getOperand(3)); // CondCode | ||||||||
9721 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
9722 | Inst = TmpInst; | ||||||||
9723 | return true; | ||||||||
9724 | } | ||||||||
9725 | |||||||||
9726 | case ARM::VST4dWB_fixed_Asm_8: | ||||||||
9727 | case ARM::VST4dWB_fixed_Asm_16: | ||||||||
9728 | case ARM::VST4dWB_fixed_Asm_32: | ||||||||
9729 | case ARM::VST4qWB_fixed_Asm_8: | ||||||||
9730 | case ARM::VST4qWB_fixed_Asm_16: | ||||||||
9731 | case ARM::VST4qWB_fixed_Asm_32: { | ||||||||
9732 | MCInst TmpInst; | ||||||||
9733 | unsigned Spacing; | ||||||||
9734 | TmpInst.setOpcode(getRealVSTOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9735 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9736 | TmpInst.addOperand(Inst.getOperand(1)); // Rn_wb == tied Rn | ||||||||
9737 | TmpInst.addOperand(Inst.getOperand(2)); // alignment | ||||||||
9738 | TmpInst.addOperand(MCOperand::createReg(0)); // Rm | ||||||||
9739 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9740 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9741 | Spacing)); | ||||||||
9742 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9743 | Spacing * 2)); | ||||||||
9744 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9745 | Spacing * 3)); | ||||||||
9746 | TmpInst.addOperand(Inst.getOperand(3)); // CondCode | ||||||||
9747 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
9748 | Inst = TmpInst; | ||||||||
9749 | return true; | ||||||||
9750 | } | ||||||||
9751 | |||||||||
9752 | case ARM::VST4dWB_register_Asm_8: | ||||||||
9753 | case ARM::VST4dWB_register_Asm_16: | ||||||||
9754 | case ARM::VST4dWB_register_Asm_32: | ||||||||
9755 | case ARM::VST4qWB_register_Asm_8: | ||||||||
9756 | case ARM::VST4qWB_register_Asm_16: | ||||||||
9757 | case ARM::VST4qWB_register_Asm_32: { | ||||||||
9758 | MCInst TmpInst; | ||||||||
9759 | unsigned Spacing; | ||||||||
9760 | TmpInst.setOpcode(getRealVSTOpcode(Inst.getOpcode(), Spacing)); | ||||||||
9761 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9762 | TmpInst.addOperand(Inst.getOperand(1)); // Rn_wb == tied Rn | ||||||||
9763 | TmpInst.addOperand(Inst.getOperand(2)); // alignment | ||||||||
9764 | TmpInst.addOperand(Inst.getOperand(3)); // Rm | ||||||||
9765 | TmpInst.addOperand(Inst.getOperand(0)); // Vd | ||||||||
9766 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9767 | Spacing)); | ||||||||
9768 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9769 | Spacing * 2)); | ||||||||
9770 | TmpInst.addOperand(MCOperand::createReg(Inst.getOperand(0).getReg() + | ||||||||
9771 | Spacing * 3)); | ||||||||
9772 | TmpInst.addOperand(Inst.getOperand(4)); // CondCode | ||||||||
9773 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
9774 | Inst = TmpInst; | ||||||||
9775 | return true; | ||||||||
9776 | } | ||||||||
9777 | |||||||||
9778 | // Handle encoding choice for the shift-immediate instructions. | ||||||||
9779 | case ARM::t2LSLri: | ||||||||
9780 | case ARM::t2LSRri: | ||||||||
9781 | case ARM::t2ASRri: | ||||||||
9782 | if (isARMLowRegister(Inst.getOperand(0).getReg()) && | ||||||||
9783 | isARMLowRegister(Inst.getOperand(1).getReg()) && | ||||||||
9784 | Inst.getOperand(5).getReg() == (inITBlock() ? 0 : ARM::CPSR) && | ||||||||
9785 | !HasWideQualifier) { | ||||||||
9786 | unsigned NewOpc; | ||||||||
9787 | switch (Inst.getOpcode()) { | ||||||||
9788 | default: llvm_unreachable("unexpected opcode")::llvm::llvm_unreachable_internal("unexpected opcode", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 9788); | ||||||||
9789 | case ARM::t2LSLri: NewOpc = ARM::tLSLri; break; | ||||||||
9790 | case ARM::t2LSRri: NewOpc = ARM::tLSRri; break; | ||||||||
9791 | case ARM::t2ASRri: NewOpc = ARM::tASRri; break; | ||||||||
9792 | } | ||||||||
9793 | // The Thumb1 operands aren't in the same order. Awesome, eh? | ||||||||
9794 | MCInst TmpInst; | ||||||||
9795 | TmpInst.setOpcode(NewOpc); | ||||||||
9796 | TmpInst.addOperand(Inst.getOperand(0)); | ||||||||
9797 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
9798 | TmpInst.addOperand(Inst.getOperand(1)); | ||||||||
9799 | TmpInst.addOperand(Inst.getOperand(2)); | ||||||||
9800 | TmpInst.addOperand(Inst.getOperand(3)); | ||||||||
9801 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
9802 | Inst = TmpInst; | ||||||||
9803 | return true; | ||||||||
9804 | } | ||||||||
9805 | return false; | ||||||||
9806 | |||||||||
9807 | // Handle the Thumb2 mode MOV complex aliases. | ||||||||
9808 | case ARM::t2MOVsr: | ||||||||
9809 | case ARM::t2MOVSsr: { | ||||||||
9810 | // Which instruction to expand to depends on the CCOut operand and | ||||||||
9811 | // whether we're in an IT block if the register operands are low | ||||||||
9812 | // registers. | ||||||||
9813 | bool isNarrow = false; | ||||||||
9814 | if (isARMLowRegister(Inst.getOperand(0).getReg()) && | ||||||||
9815 | isARMLowRegister(Inst.getOperand(1).getReg()) && | ||||||||
9816 | isARMLowRegister(Inst.getOperand(2).getReg()) && | ||||||||
9817 | Inst.getOperand(0).getReg() == Inst.getOperand(1).getReg() && | ||||||||
9818 | inITBlock() == (Inst.getOpcode() == ARM::t2MOVsr) && | ||||||||
9819 | !HasWideQualifier) | ||||||||
9820 | isNarrow = true; | ||||||||
9821 | MCInst TmpInst; | ||||||||
9822 | unsigned newOpc; | ||||||||
9823 | switch(ARM_AM::getSORegShOp(Inst.getOperand(3).getImm())) { | ||||||||
9824 | default: llvm_unreachable("unexpected opcode!")::llvm::llvm_unreachable_internal("unexpected opcode!", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 9824); | ||||||||
9825 | case ARM_AM::asr: newOpc = isNarrow ? ARM::tASRrr : ARM::t2ASRrr; break; | ||||||||
9826 | case ARM_AM::lsr: newOpc = isNarrow ? ARM::tLSRrr : ARM::t2LSRrr; break; | ||||||||
9827 | case ARM_AM::lsl: newOpc = isNarrow ? ARM::tLSLrr : ARM::t2LSLrr; break; | ||||||||
9828 | case ARM_AM::ror: newOpc = isNarrow ? ARM::tROR : ARM::t2RORrr; break; | ||||||||
9829 | } | ||||||||
9830 | TmpInst.setOpcode(newOpc); | ||||||||
9831 | TmpInst.addOperand(Inst.getOperand(0)); // Rd | ||||||||
9832 | if (isNarrow) | ||||||||
9833 | TmpInst.addOperand(MCOperand::createReg( | ||||||||
9834 | Inst.getOpcode() == ARM::t2MOVSsr ? ARM::CPSR : 0)); | ||||||||
9835 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9836 | TmpInst.addOperand(Inst.getOperand(2)); // Rm | ||||||||
9837 | TmpInst.addOperand(Inst.getOperand(4)); // CondCode | ||||||||
9838 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
9839 | if (!isNarrow) | ||||||||
9840 | TmpInst.addOperand(MCOperand::createReg( | ||||||||
9841 | Inst.getOpcode() == ARM::t2MOVSsr ? ARM::CPSR : 0)); | ||||||||
9842 | Inst = TmpInst; | ||||||||
9843 | return true; | ||||||||
9844 | } | ||||||||
9845 | case ARM::t2MOVsi: | ||||||||
9846 | case ARM::t2MOVSsi: { | ||||||||
9847 | // Which instruction to expand to depends on the CCOut operand and | ||||||||
9848 | // whether we're in an IT block if the register operands are low | ||||||||
9849 | // registers. | ||||||||
9850 | bool isNarrow = false; | ||||||||
9851 | if (isARMLowRegister(Inst.getOperand(0).getReg()) && | ||||||||
9852 | isARMLowRegister(Inst.getOperand(1).getReg()) && | ||||||||
9853 | inITBlock() == (Inst.getOpcode() == ARM::t2MOVsi) && | ||||||||
9854 | !HasWideQualifier) | ||||||||
9855 | isNarrow = true; | ||||||||
9856 | MCInst TmpInst; | ||||||||
9857 | unsigned newOpc; | ||||||||
9858 | unsigned Shift = ARM_AM::getSORegShOp(Inst.getOperand(2).getImm()); | ||||||||
9859 | unsigned Amount = ARM_AM::getSORegOffset(Inst.getOperand(2).getImm()); | ||||||||
9860 | bool isMov = false; | ||||||||
9861 | // MOV rd, rm, LSL #0 is actually a MOV instruction | ||||||||
9862 | if (Shift == ARM_AM::lsl && Amount == 0) { | ||||||||
9863 | isMov = true; | ||||||||
9864 | // The 16-bit encoding of MOV rd, rm, LSL #N is explicitly encoding T2 of | ||||||||
9865 | // MOV (register) in the ARMv8-A and ARMv8-M manuals, and immediate 0 is | ||||||||
9866 | // unpredictable in an IT block so the 32-bit encoding T3 has to be used | ||||||||
9867 | // instead. | ||||||||
9868 | if (inITBlock()) { | ||||||||
9869 | isNarrow = false; | ||||||||
9870 | } | ||||||||
9871 | newOpc = isNarrow ? ARM::tMOVSr : ARM::t2MOVr; | ||||||||
9872 | } else { | ||||||||
9873 | switch(Shift) { | ||||||||
9874 | default: llvm_unreachable("unexpected opcode!")::llvm::llvm_unreachable_internal("unexpected opcode!", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 9874); | ||||||||
9875 | case ARM_AM::asr: newOpc = isNarrow ? ARM::tASRri : ARM::t2ASRri; break; | ||||||||
9876 | case ARM_AM::lsr: newOpc = isNarrow ? ARM::tLSRri : ARM::t2LSRri; break; | ||||||||
9877 | case ARM_AM::lsl: newOpc = isNarrow ? ARM::tLSLri : ARM::t2LSLri; break; | ||||||||
9878 | case ARM_AM::ror: newOpc = ARM::t2RORri; isNarrow = false; break; | ||||||||
9879 | case ARM_AM::rrx: isNarrow = false; newOpc = ARM::t2RRX; break; | ||||||||
9880 | } | ||||||||
9881 | } | ||||||||
9882 | if (Amount == 32) Amount = 0; | ||||||||
9883 | TmpInst.setOpcode(newOpc); | ||||||||
9884 | TmpInst.addOperand(Inst.getOperand(0)); // Rd | ||||||||
9885 | if (isNarrow && !isMov) | ||||||||
9886 | TmpInst.addOperand(MCOperand::createReg( | ||||||||
9887 | Inst.getOpcode() == ARM::t2MOVSsi ? ARM::CPSR : 0)); | ||||||||
9888 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9889 | if (newOpc != ARM::t2RRX && !isMov) | ||||||||
9890 | TmpInst.addOperand(MCOperand::createImm(Amount)); | ||||||||
9891 | TmpInst.addOperand(Inst.getOperand(3)); // CondCode | ||||||||
9892 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
9893 | if (!isNarrow) | ||||||||
9894 | TmpInst.addOperand(MCOperand::createReg( | ||||||||
9895 | Inst.getOpcode() == ARM::t2MOVSsi ? ARM::CPSR : 0)); | ||||||||
9896 | Inst = TmpInst; | ||||||||
9897 | return true; | ||||||||
9898 | } | ||||||||
9899 | // Handle the ARM mode MOV complex aliases. | ||||||||
9900 | case ARM::ASRr: | ||||||||
9901 | case ARM::LSRr: | ||||||||
9902 | case ARM::LSLr: | ||||||||
9903 | case ARM::RORr: { | ||||||||
9904 | ARM_AM::ShiftOpc ShiftTy; | ||||||||
9905 | switch(Inst.getOpcode()) { | ||||||||
9906 | default: llvm_unreachable("unexpected opcode!")::llvm::llvm_unreachable_internal("unexpected opcode!", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 9906); | ||||||||
9907 | case ARM::ASRr: ShiftTy = ARM_AM::asr; break; | ||||||||
9908 | case ARM::LSRr: ShiftTy = ARM_AM::lsr; break; | ||||||||
9909 | case ARM::LSLr: ShiftTy = ARM_AM::lsl; break; | ||||||||
9910 | case ARM::RORr: ShiftTy = ARM_AM::ror; break; | ||||||||
9911 | } | ||||||||
9912 | unsigned Shifter = ARM_AM::getSORegOpc(ShiftTy, 0); | ||||||||
9913 | MCInst TmpInst; | ||||||||
9914 | TmpInst.setOpcode(ARM::MOVsr); | ||||||||
9915 | TmpInst.addOperand(Inst.getOperand(0)); // Rd | ||||||||
9916 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9917 | TmpInst.addOperand(Inst.getOperand(2)); // Rm | ||||||||
9918 | TmpInst.addOperand(MCOperand::createImm(Shifter)); // Shift value and ty | ||||||||
9919 | TmpInst.addOperand(Inst.getOperand(3)); // CondCode | ||||||||
9920 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
9921 | TmpInst.addOperand(Inst.getOperand(5)); // cc_out | ||||||||
9922 | Inst = TmpInst; | ||||||||
9923 | return true; | ||||||||
9924 | } | ||||||||
9925 | case ARM::ASRi: | ||||||||
9926 | case ARM::LSRi: | ||||||||
9927 | case ARM::LSLi: | ||||||||
9928 | case ARM::RORi: { | ||||||||
9929 | ARM_AM::ShiftOpc ShiftTy; | ||||||||
9930 | switch(Inst.getOpcode()) { | ||||||||
9931 | default: llvm_unreachable("unexpected opcode!")::llvm::llvm_unreachable_internal("unexpected opcode!", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 9931); | ||||||||
9932 | case ARM::ASRi: ShiftTy = ARM_AM::asr; break; | ||||||||
9933 | case ARM::LSRi: ShiftTy = ARM_AM::lsr; break; | ||||||||
9934 | case ARM::LSLi: ShiftTy = ARM_AM::lsl; break; | ||||||||
9935 | case ARM::RORi: ShiftTy = ARM_AM::ror; break; | ||||||||
9936 | } | ||||||||
9937 | // A shift by zero is a plain MOVr, not a MOVsi. | ||||||||
9938 | unsigned Amt = Inst.getOperand(2).getImm(); | ||||||||
9939 | unsigned Opc = Amt == 0 ? ARM::MOVr : ARM::MOVsi; | ||||||||
9940 | // A shift by 32 should be encoded as 0 when permitted | ||||||||
9941 | if (Amt == 32 && (ShiftTy == ARM_AM::lsr || ShiftTy == ARM_AM::asr)) | ||||||||
9942 | Amt = 0; | ||||||||
9943 | unsigned Shifter = ARM_AM::getSORegOpc(ShiftTy, Amt); | ||||||||
9944 | MCInst TmpInst; | ||||||||
9945 | TmpInst.setOpcode(Opc); | ||||||||
9946 | TmpInst.addOperand(Inst.getOperand(0)); // Rd | ||||||||
9947 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9948 | if (Opc == ARM::MOVsi) | ||||||||
9949 | TmpInst.addOperand(MCOperand::createImm(Shifter)); // Shift value and ty | ||||||||
9950 | TmpInst.addOperand(Inst.getOperand(3)); // CondCode | ||||||||
9951 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
9952 | TmpInst.addOperand(Inst.getOperand(5)); // cc_out | ||||||||
9953 | Inst = TmpInst; | ||||||||
9954 | return true; | ||||||||
9955 | } | ||||||||
9956 | case ARM::RRXi: { | ||||||||
9957 | unsigned Shifter = ARM_AM::getSORegOpc(ARM_AM::rrx, 0); | ||||||||
9958 | MCInst TmpInst; | ||||||||
9959 | TmpInst.setOpcode(ARM::MOVsi); | ||||||||
9960 | TmpInst.addOperand(Inst.getOperand(0)); // Rd | ||||||||
9961 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9962 | TmpInst.addOperand(MCOperand::createImm(Shifter)); // Shift value and ty | ||||||||
9963 | TmpInst.addOperand(Inst.getOperand(2)); // CondCode | ||||||||
9964 | TmpInst.addOperand(Inst.getOperand(3)); | ||||||||
9965 | TmpInst.addOperand(Inst.getOperand(4)); // cc_out | ||||||||
9966 | Inst = TmpInst; | ||||||||
9967 | return true; | ||||||||
9968 | } | ||||||||
9969 | case ARM::t2LDMIA_UPD: { | ||||||||
9970 | // If this is a load of a single register, then we should use | ||||||||
9971 | // a post-indexed LDR instruction instead, per the ARM ARM. | ||||||||
9972 | if (Inst.getNumOperands() != 5) | ||||||||
9973 | return false; | ||||||||
9974 | MCInst TmpInst; | ||||||||
9975 | TmpInst.setOpcode(ARM::t2LDR_POST); | ||||||||
9976 | TmpInst.addOperand(Inst.getOperand(4)); // Rt | ||||||||
9977 | TmpInst.addOperand(Inst.getOperand(0)); // Rn_wb | ||||||||
9978 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9979 | TmpInst.addOperand(MCOperand::createImm(4)); | ||||||||
9980 | TmpInst.addOperand(Inst.getOperand(2)); // CondCode | ||||||||
9981 | TmpInst.addOperand(Inst.getOperand(3)); | ||||||||
9982 | Inst = TmpInst; | ||||||||
9983 | return true; | ||||||||
9984 | } | ||||||||
9985 | case ARM::t2STMDB_UPD: { | ||||||||
9986 | // If this is a store of a single register, then we should use | ||||||||
9987 | // a pre-indexed STR instruction instead, per the ARM ARM. | ||||||||
9988 | if (Inst.getNumOperands() != 5) | ||||||||
9989 | return false; | ||||||||
9990 | MCInst TmpInst; | ||||||||
9991 | TmpInst.setOpcode(ARM::t2STR_PRE); | ||||||||
9992 | TmpInst.addOperand(Inst.getOperand(0)); // Rn_wb | ||||||||
9993 | TmpInst.addOperand(Inst.getOperand(4)); // Rt | ||||||||
9994 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
9995 | TmpInst.addOperand(MCOperand::createImm(-4)); | ||||||||
9996 | TmpInst.addOperand(Inst.getOperand(2)); // CondCode | ||||||||
9997 | TmpInst.addOperand(Inst.getOperand(3)); | ||||||||
9998 | Inst = TmpInst; | ||||||||
9999 | return true; | ||||||||
10000 | } | ||||||||
10001 | case ARM::LDMIA_UPD: | ||||||||
10002 | // If this is a load of a single register via a 'pop', then we should use | ||||||||
10003 | // a post-indexed LDR instruction instead, per the ARM ARM. | ||||||||
10004 | if (static_cast<ARMOperand &>(*Operands[0]).getToken() == "pop" && | ||||||||
10005 | Inst.getNumOperands() == 5) { | ||||||||
10006 | MCInst TmpInst; | ||||||||
10007 | TmpInst.setOpcode(ARM::LDR_POST_IMM); | ||||||||
10008 | TmpInst.addOperand(Inst.getOperand(4)); // Rt | ||||||||
10009 | TmpInst.addOperand(Inst.getOperand(0)); // Rn_wb | ||||||||
10010 | TmpInst.addOperand(Inst.getOperand(1)); // Rn | ||||||||
10011 | TmpInst.addOperand(MCOperand::createReg(0)); // am2offset | ||||||||
10012 | TmpInst.addOperand(MCOperand::createImm(4)); | ||||||||
10013 | TmpInst.addOperand(Inst.getOperand(2)); // CondCode | ||||||||
10014 | TmpInst.addOperand(Inst.getOperand(3)); | ||||||||
10015 | Inst = TmpInst; | ||||||||
10016 | return true; | ||||||||
10017 | } | ||||||||
10018 | break; | ||||||||
10019 | case ARM::STMDB_UPD: | ||||||||
10020 | // If this is a store of a single register via a 'push', then we should use | ||||||||
10021 | // a pre-indexed STR instruction instead, per the ARM ARM. | ||||||||
10022 | if (static_cast<ARMOperand &>(*Operands[0]).getToken() == "push" && | ||||||||
10023 | Inst.getNumOperands() == 5) { | ||||||||
10024 | MCInst TmpInst; | ||||||||
10025 | TmpInst.setOpcode(ARM::STR_PRE_IMM); | ||||||||
10026 | TmpInst.addOperand(Inst.getOperand(0)); // Rn_wb | ||||||||
10027 | TmpInst.addOperand(Inst.getOperand(4)); // Rt | ||||||||
10028 | TmpInst.addOperand(Inst.getOperand(1)); // addrmode_imm12 | ||||||||
10029 | TmpInst.addOperand(MCOperand::createImm(-4)); | ||||||||
10030 | TmpInst.addOperand(Inst.getOperand(2)); // CondCode | ||||||||
10031 | TmpInst.addOperand(Inst.getOperand(3)); | ||||||||
10032 | Inst = TmpInst; | ||||||||
10033 | } | ||||||||
10034 | break; | ||||||||
10035 | case ARM::t2ADDri12: | ||||||||
10036 | case ARM::t2SUBri12: | ||||||||
10037 | case ARM::t2ADDspImm12: | ||||||||
10038 | case ARM::t2SUBspImm12: { | ||||||||
10039 | // If the immediate fits for encoding T3 and the generic | ||||||||
10040 | // mnemonic was used, encoding T3 is preferred. | ||||||||
10041 | const StringRef Token = static_cast<ARMOperand &>(*Operands[0]).getToken(); | ||||||||
10042 | if ((Token != "add" && Token != "sub") || | ||||||||
10043 | ARM_AM::getT2SOImmVal(Inst.getOperand(2).getImm()) == -1) | ||||||||
10044 | break; | ||||||||
10045 | switch (Inst.getOpcode()) { | ||||||||
10046 | case ARM::t2ADDri12: | ||||||||
10047 | Inst.setOpcode(ARM::t2ADDri); | ||||||||
10048 | break; | ||||||||
10049 | case ARM::t2SUBri12: | ||||||||
10050 | Inst.setOpcode(ARM::t2SUBri); | ||||||||
10051 | break; | ||||||||
10052 | case ARM::t2ADDspImm12: | ||||||||
10053 | Inst.setOpcode(ARM::t2ADDspImm); | ||||||||
10054 | break; | ||||||||
10055 | case ARM::t2SUBspImm12: | ||||||||
10056 | Inst.setOpcode(ARM::t2SUBspImm); | ||||||||
10057 | break; | ||||||||
10058 | } | ||||||||
10059 | |||||||||
10060 | Inst.addOperand(MCOperand::createReg(0)); // cc_out | ||||||||
10061 | return true; | ||||||||
10062 | } | ||||||||
10063 | case ARM::tADDi8: | ||||||||
10064 | // If the immediate is in the range 0-7, we want tADDi3 iff Rd was | ||||||||
10065 | // explicitly specified. From the ARM ARM: "Encoding T1 is preferred | ||||||||
10066 | // to encoding T2 if <Rd> is specified and encoding T2 is preferred | ||||||||
10067 | // to encoding T1 if <Rd> is omitted." | ||||||||
10068 | if ((unsigned)Inst.getOperand(3).getImm() < 8 && Operands.size() == 6) { | ||||||||
10069 | Inst.setOpcode(ARM::tADDi3); | ||||||||
10070 | return true; | ||||||||
10071 | } | ||||||||
10072 | break; | ||||||||
10073 | case ARM::tSUBi8: | ||||||||
10074 | // If the immediate is in the range 0-7, we want tADDi3 iff Rd was | ||||||||
10075 | // explicitly specified. From the ARM ARM: "Encoding T1 is preferred | ||||||||
10076 | // to encoding T2 if <Rd> is specified and encoding T2 is preferred | ||||||||
10077 | // to encoding T1 if <Rd> is omitted." | ||||||||
10078 | if ((unsigned)Inst.getOperand(3).getImm() < 8 && Operands.size() == 6) { | ||||||||
10079 | Inst.setOpcode(ARM::tSUBi3); | ||||||||
10080 | return true; | ||||||||
10081 | } | ||||||||
10082 | break; | ||||||||
10083 | case ARM::t2ADDri: | ||||||||
10084 | case ARM::t2SUBri: { | ||||||||
10085 | // If the destination and first source operand are the same, and | ||||||||
10086 | // the flags are compatible with the current IT status, use encoding T2 | ||||||||
10087 | // instead of T3. For compatibility with the system 'as'. Make sure the | ||||||||
10088 | // wide encoding wasn't explicit. | ||||||||
10089 | if (Inst.getOperand(0).getReg() != Inst.getOperand(1).getReg() || | ||||||||
10090 | !isARMLowRegister(Inst.getOperand(0).getReg()) || | ||||||||
10091 | (Inst.getOperand(2).isImm() && | ||||||||
10092 | (unsigned)Inst.getOperand(2).getImm() > 255) || | ||||||||
10093 | Inst.getOperand(5).getReg() != (inITBlock() ? 0 : ARM::CPSR) || | ||||||||
10094 | HasWideQualifier) | ||||||||
10095 | break; | ||||||||
10096 | MCInst TmpInst; | ||||||||
10097 | TmpInst.setOpcode(Inst.getOpcode() == ARM::t2ADDri ? | ||||||||
10098 | ARM::tADDi8 : ARM::tSUBi8); | ||||||||
10099 | TmpInst.addOperand(Inst.getOperand(0)); | ||||||||
10100 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
10101 | TmpInst.addOperand(Inst.getOperand(0)); | ||||||||
10102 | TmpInst.addOperand(Inst.getOperand(2)); | ||||||||
10103 | TmpInst.addOperand(Inst.getOperand(3)); | ||||||||
10104 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
10105 | Inst = TmpInst; | ||||||||
10106 | return true; | ||||||||
10107 | } | ||||||||
10108 | case ARM::t2ADDspImm: | ||||||||
10109 | case ARM::t2SUBspImm: { | ||||||||
10110 | // Prefer T1 encoding if possible | ||||||||
10111 | if (Inst.getOperand(5).getReg() != 0 || HasWideQualifier) | ||||||||
10112 | break; | ||||||||
10113 | unsigned V = Inst.getOperand(2).getImm(); | ||||||||
10114 | if (V & 3 || V > ((1 << 7) - 1) << 2) | ||||||||
10115 | break; | ||||||||
10116 | MCInst TmpInst; | ||||||||
10117 | TmpInst.setOpcode(Inst.getOpcode() == ARM::t2ADDspImm ? ARM::tADDspi | ||||||||
10118 | : ARM::tSUBspi); | ||||||||
10119 | TmpInst.addOperand(MCOperand::createReg(ARM::SP)); // destination reg | ||||||||
10120 | TmpInst.addOperand(MCOperand::createReg(ARM::SP)); // source reg | ||||||||
10121 | TmpInst.addOperand(MCOperand::createImm(V / 4)); // immediate | ||||||||
10122 | TmpInst.addOperand(Inst.getOperand(3)); // pred | ||||||||
10123 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
10124 | Inst = TmpInst; | ||||||||
10125 | return true; | ||||||||
10126 | } | ||||||||
10127 | case ARM::t2ADDrr: { | ||||||||
10128 | // If the destination and first source operand are the same, and | ||||||||
10129 | // there's no setting of the flags, use encoding T2 instead of T3. | ||||||||
10130 | // Note that this is only for ADD, not SUB. This mirrors the system | ||||||||
10131 | // 'as' behaviour. Also take advantage of ADD being commutative. | ||||||||
10132 | // Make sure the wide encoding wasn't explicit. | ||||||||
10133 | bool Swap = false; | ||||||||
10134 | auto DestReg = Inst.getOperand(0).getReg(); | ||||||||
10135 | bool Transform = DestReg == Inst.getOperand(1).getReg(); | ||||||||
10136 | if (!Transform && DestReg == Inst.getOperand(2).getReg()) { | ||||||||
10137 | Transform = true; | ||||||||
10138 | Swap = true; | ||||||||
10139 | } | ||||||||
10140 | if (!Transform || | ||||||||
10141 | Inst.getOperand(5).getReg() != 0 || | ||||||||
10142 | HasWideQualifier) | ||||||||
10143 | break; | ||||||||
10144 | MCInst TmpInst; | ||||||||
10145 | TmpInst.setOpcode(ARM::tADDhirr); | ||||||||
10146 | TmpInst.addOperand(Inst.getOperand(0)); | ||||||||
10147 | TmpInst.addOperand(Inst.getOperand(0)); | ||||||||
10148 | TmpInst.addOperand(Inst.getOperand(Swap ? 1 : 2)); | ||||||||
10149 | TmpInst.addOperand(Inst.getOperand(3)); | ||||||||
10150 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
10151 | Inst = TmpInst; | ||||||||
10152 | return true; | ||||||||
10153 | } | ||||||||
10154 | case ARM::tADDrSP: | ||||||||
10155 | // If the non-SP source operand and the destination operand are not the | ||||||||
10156 | // same, we need to use the 32-bit encoding if it's available. | ||||||||
10157 | if (Inst.getOperand(0).getReg() != Inst.getOperand(2).getReg()) { | ||||||||
10158 | Inst.setOpcode(ARM::t2ADDrr); | ||||||||
10159 | Inst.addOperand(MCOperand::createReg(0)); // cc_out | ||||||||
10160 | return true; | ||||||||
10161 | } | ||||||||
10162 | break; | ||||||||
10163 | case ARM::tB: | ||||||||
10164 | // A Thumb conditional branch outside of an IT block is a tBcc. | ||||||||
10165 | if (Inst.getOperand(1).getImm() != ARMCC::AL && !inITBlock()) { | ||||||||
10166 | Inst.setOpcode(ARM::tBcc); | ||||||||
10167 | return true; | ||||||||
10168 | } | ||||||||
10169 | break; | ||||||||
10170 | case ARM::t2B: | ||||||||
10171 | // A Thumb2 conditional branch outside of an IT block is a t2Bcc. | ||||||||
10172 | if (Inst.getOperand(1).getImm() != ARMCC::AL && !inITBlock()){ | ||||||||
10173 | Inst.setOpcode(ARM::t2Bcc); | ||||||||
10174 | return true; | ||||||||
10175 | } | ||||||||
10176 | break; | ||||||||
10177 | case ARM::t2Bcc: | ||||||||
10178 | // If the conditional is AL or we're in an IT block, we really want t2B. | ||||||||
10179 | if (Inst.getOperand(1).getImm() == ARMCC::AL || inITBlock()) { | ||||||||
10180 | Inst.setOpcode(ARM::t2B); | ||||||||
10181 | return true; | ||||||||
10182 | } | ||||||||
10183 | break; | ||||||||
10184 | case ARM::tBcc: | ||||||||
10185 | // If the conditional is AL, we really want tB. | ||||||||
10186 | if (Inst.getOperand(1).getImm() == ARMCC::AL) { | ||||||||
10187 | Inst.setOpcode(ARM::tB); | ||||||||
10188 | return true; | ||||||||
10189 | } | ||||||||
10190 | break; | ||||||||
10191 | case ARM::tLDMIA: { | ||||||||
10192 | // If the register list contains any high registers, or if the writeback | ||||||||
10193 | // doesn't match what tLDMIA can do, we need to use the 32-bit encoding | ||||||||
10194 | // instead if we're in Thumb2. Otherwise, this should have generated | ||||||||
10195 | // an error in validateInstruction(). | ||||||||
10196 | unsigned Rn = Inst.getOperand(0).getReg(); | ||||||||
10197 | bool hasWritebackToken = | ||||||||
10198 | (static_cast<ARMOperand &>(*Operands[3]).isToken() && | ||||||||
10199 | static_cast<ARMOperand &>(*Operands[3]).getToken() == "!"); | ||||||||
10200 | bool listContainsBase; | ||||||||
10201 | if (checkLowRegisterList(Inst, 3, Rn, 0, listContainsBase) || | ||||||||
10202 | (!listContainsBase && !hasWritebackToken) || | ||||||||
10203 | (listContainsBase && hasWritebackToken)) { | ||||||||
10204 | // 16-bit encoding isn't sufficient. Switch to the 32-bit version. | ||||||||
10205 | assert(isThumbTwo())((isThumbTwo()) ? static_cast<void> (0) : __assert_fail ("isThumbTwo()", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 10205, __PRETTY_FUNCTION__)); | ||||||||
10206 | Inst.setOpcode(hasWritebackToken ? ARM::t2LDMIA_UPD : ARM::t2LDMIA); | ||||||||
10207 | // If we're switching to the updating version, we need to insert | ||||||||
10208 | // the writeback tied operand. | ||||||||
10209 | if (hasWritebackToken) | ||||||||
10210 | Inst.insert(Inst.begin(), | ||||||||
10211 | MCOperand::createReg(Inst.getOperand(0).getReg())); | ||||||||
10212 | return true; | ||||||||
10213 | } | ||||||||
10214 | break; | ||||||||
10215 | } | ||||||||
10216 | case ARM::tSTMIA_UPD: { | ||||||||
10217 | // If the register list contains any high registers, we need to use | ||||||||
10218 | // the 32-bit encoding instead if we're in Thumb2. Otherwise, this | ||||||||
10219 | // should have generated an error in validateInstruction(). | ||||||||
10220 | unsigned Rn = Inst.getOperand(0).getReg(); | ||||||||
10221 | bool listContainsBase; | ||||||||
10222 | if (checkLowRegisterList(Inst, 4, Rn, 0, listContainsBase)) { | ||||||||
10223 | // 16-bit encoding isn't sufficient. Switch to the 32-bit version. | ||||||||
10224 | assert(isThumbTwo())((isThumbTwo()) ? static_cast<void> (0) : __assert_fail ("isThumbTwo()", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 10224, __PRETTY_FUNCTION__)); | ||||||||
10225 | Inst.setOpcode(ARM::t2STMIA_UPD); | ||||||||
10226 | return true; | ||||||||
10227 | } | ||||||||
10228 | break; | ||||||||
10229 | } | ||||||||
10230 | case ARM::tPOP: { | ||||||||
10231 | bool listContainsBase; | ||||||||
10232 | // If the register list contains any high registers, we need to use | ||||||||
10233 | // the 32-bit encoding instead if we're in Thumb2. Otherwise, this | ||||||||
10234 | // should have generated an error in validateInstruction(). | ||||||||
10235 | if (!checkLowRegisterList(Inst, 2, 0, ARM::PC, listContainsBase)) | ||||||||
10236 | return false; | ||||||||
10237 | assert(isThumbTwo())((isThumbTwo()) ? static_cast<void> (0) : __assert_fail ("isThumbTwo()", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 10237, __PRETTY_FUNCTION__)); | ||||||||
10238 | Inst.setOpcode(ARM::t2LDMIA_UPD); | ||||||||
10239 | // Add the base register and writeback operands. | ||||||||
10240 | Inst.insert(Inst.begin(), MCOperand::createReg(ARM::SP)); | ||||||||
10241 | Inst.insert(Inst.begin(), MCOperand::createReg(ARM::SP)); | ||||||||
10242 | return true; | ||||||||
10243 | } | ||||||||
10244 | case ARM::tPUSH: { | ||||||||
10245 | bool listContainsBase; | ||||||||
10246 | if (!checkLowRegisterList(Inst, 2, 0, ARM::LR, listContainsBase)) | ||||||||
10247 | return false; | ||||||||
10248 | assert(isThumbTwo())((isThumbTwo()) ? static_cast<void> (0) : __assert_fail ("isThumbTwo()", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 10248, __PRETTY_FUNCTION__)); | ||||||||
10249 | Inst.setOpcode(ARM::t2STMDB_UPD); | ||||||||
10250 | // Add the base register and writeback operands. | ||||||||
10251 | Inst.insert(Inst.begin(), MCOperand::createReg(ARM::SP)); | ||||||||
10252 | Inst.insert(Inst.begin(), MCOperand::createReg(ARM::SP)); | ||||||||
10253 | return true; | ||||||||
10254 | } | ||||||||
10255 | case ARM::t2MOVi: | ||||||||
10256 | // If we can use the 16-bit encoding and the user didn't explicitly | ||||||||
10257 | // request the 32-bit variant, transform it here. | ||||||||
10258 | if (isARMLowRegister(Inst.getOperand(0).getReg()) && | ||||||||
10259 | (Inst.getOperand(1).isImm() && | ||||||||
10260 | (unsigned)Inst.getOperand(1).getImm() <= 255) && | ||||||||
10261 | Inst.getOperand(4).getReg() == (inITBlock() ? 0 : ARM::CPSR) && | ||||||||
10262 | !HasWideQualifier) { | ||||||||
10263 | // The operands aren't in the same order for tMOVi8... | ||||||||
10264 | MCInst TmpInst; | ||||||||
10265 | TmpInst.setOpcode(ARM::tMOVi8); | ||||||||
10266 | TmpInst.addOperand(Inst.getOperand(0)); | ||||||||
10267 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
10268 | TmpInst.addOperand(Inst.getOperand(1)); | ||||||||
10269 | TmpInst.addOperand(Inst.getOperand(2)); | ||||||||
10270 | TmpInst.addOperand(Inst.getOperand(3)); | ||||||||
10271 | Inst = TmpInst; | ||||||||
10272 | return true; | ||||||||
10273 | } | ||||||||
10274 | break; | ||||||||
10275 | |||||||||
10276 | case ARM::t2MOVr: | ||||||||
10277 | // If we can use the 16-bit encoding and the user didn't explicitly | ||||||||
10278 | // request the 32-bit variant, transform it here. | ||||||||
10279 | if (isARMLowRegister(Inst.getOperand(0).getReg()) && | ||||||||
10280 | isARMLowRegister(Inst.getOperand(1).getReg()) && | ||||||||
10281 | Inst.getOperand(2).getImm() == ARMCC::AL && | ||||||||
10282 | Inst.getOperand(4).getReg() == ARM::CPSR && | ||||||||
10283 | !HasWideQualifier) { | ||||||||
10284 | // The operands aren't the same for tMOV[S]r... (no cc_out) | ||||||||
10285 | MCInst TmpInst; | ||||||||
10286 | TmpInst.setOpcode(Inst.getOperand(4).getReg() ? ARM::tMOVSr : ARM::tMOVr); | ||||||||
10287 | TmpInst.addOperand(Inst.getOperand(0)); | ||||||||
10288 | TmpInst.addOperand(Inst.getOperand(1)); | ||||||||
10289 | TmpInst.addOperand(Inst.getOperand(2)); | ||||||||
10290 | TmpInst.addOperand(Inst.getOperand(3)); | ||||||||
10291 | Inst = TmpInst; | ||||||||
10292 | return true; | ||||||||
10293 | } | ||||||||
10294 | break; | ||||||||
10295 | |||||||||
10296 | case ARM::t2SXTH: | ||||||||
10297 | case ARM::t2SXTB: | ||||||||
10298 | case ARM::t2UXTH: | ||||||||
10299 | case ARM::t2UXTB: | ||||||||
10300 | // If we can use the 16-bit encoding and the user didn't explicitly | ||||||||
10301 | // request the 32-bit variant, transform it here. | ||||||||
10302 | if (isARMLowRegister(Inst.getOperand(0).getReg()) && | ||||||||
10303 | isARMLowRegister(Inst.getOperand(1).getReg()) && | ||||||||
10304 | Inst.getOperand(2).getImm() == 0 && | ||||||||
10305 | !HasWideQualifier) { | ||||||||
10306 | unsigned NewOpc; | ||||||||
10307 | switch (Inst.getOpcode()) { | ||||||||
10308 | default: llvm_unreachable("Illegal opcode!")::llvm::llvm_unreachable_internal("Illegal opcode!", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 10308); | ||||||||
10309 | case ARM::t2SXTH: NewOpc = ARM::tSXTH; break; | ||||||||
10310 | case ARM::t2SXTB: NewOpc = ARM::tSXTB; break; | ||||||||
10311 | case ARM::t2UXTH: NewOpc = ARM::tUXTH; break; | ||||||||
10312 | case ARM::t2UXTB: NewOpc = ARM::tUXTB; break; | ||||||||
10313 | } | ||||||||
10314 | // The operands aren't the same for thumb1 (no rotate operand). | ||||||||
10315 | MCInst TmpInst; | ||||||||
10316 | TmpInst.setOpcode(NewOpc); | ||||||||
10317 | TmpInst.addOperand(Inst.getOperand(0)); | ||||||||
10318 | TmpInst.addOperand(Inst.getOperand(1)); | ||||||||
10319 | TmpInst.addOperand(Inst.getOperand(3)); | ||||||||
10320 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
10321 | Inst = TmpInst; | ||||||||
10322 | return true; | ||||||||
10323 | } | ||||||||
10324 | break; | ||||||||
10325 | |||||||||
10326 | case ARM::MOVsi: { | ||||||||
10327 | ARM_AM::ShiftOpc SOpc = ARM_AM::getSORegShOp(Inst.getOperand(2).getImm()); | ||||||||
10328 | // rrx shifts and asr/lsr of #32 is encoded as 0 | ||||||||
10329 | if (SOpc == ARM_AM::rrx || SOpc == ARM_AM::asr || SOpc == ARM_AM::lsr) | ||||||||
10330 | return false; | ||||||||
10331 | if (ARM_AM::getSORegOffset(Inst.getOperand(2).getImm()) == 0) { | ||||||||
10332 | // Shifting by zero is accepted as a vanilla 'MOVr' | ||||||||
10333 | MCInst TmpInst; | ||||||||
10334 | TmpInst.setOpcode(ARM::MOVr); | ||||||||
10335 | TmpInst.addOperand(Inst.getOperand(0)); | ||||||||
10336 | TmpInst.addOperand(Inst.getOperand(1)); | ||||||||
10337 | TmpInst.addOperand(Inst.getOperand(3)); | ||||||||
10338 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
10339 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
10340 | Inst = TmpInst; | ||||||||
10341 | return true; | ||||||||
10342 | } | ||||||||
10343 | return false; | ||||||||
10344 | } | ||||||||
10345 | case ARM::ANDrsi: | ||||||||
10346 | case ARM::ORRrsi: | ||||||||
10347 | case ARM::EORrsi: | ||||||||
10348 | case ARM::BICrsi: | ||||||||
10349 | case ARM::SUBrsi: | ||||||||
10350 | case ARM::ADDrsi: { | ||||||||
10351 | unsigned newOpc; | ||||||||
10352 | ARM_AM::ShiftOpc SOpc = ARM_AM::getSORegShOp(Inst.getOperand(3).getImm()); | ||||||||
10353 | if (SOpc == ARM_AM::rrx) return false; | ||||||||
10354 | switch (Inst.getOpcode()) { | ||||||||
10355 | default: llvm_unreachable("unexpected opcode!")::llvm::llvm_unreachable_internal("unexpected opcode!", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 10355); | ||||||||
10356 | case ARM::ANDrsi: newOpc = ARM::ANDrr; break; | ||||||||
10357 | case ARM::ORRrsi: newOpc = ARM::ORRrr; break; | ||||||||
10358 | case ARM::EORrsi: newOpc = ARM::EORrr; break; | ||||||||
10359 | case ARM::BICrsi: newOpc = ARM::BICrr; break; | ||||||||
10360 | case ARM::SUBrsi: newOpc = ARM::SUBrr; break; | ||||||||
10361 | case ARM::ADDrsi: newOpc = ARM::ADDrr; break; | ||||||||
10362 | } | ||||||||
10363 | // If the shift is by zero, use the non-shifted instruction definition. | ||||||||
10364 | // The exception is for right shifts, where 0 == 32 | ||||||||
10365 | if (ARM_AM::getSORegOffset(Inst.getOperand(3).getImm()) == 0 && | ||||||||
10366 | !(SOpc == ARM_AM::lsr || SOpc == ARM_AM::asr)) { | ||||||||
10367 | MCInst TmpInst; | ||||||||
10368 | TmpInst.setOpcode(newOpc); | ||||||||
10369 | TmpInst.addOperand(Inst.getOperand(0)); | ||||||||
10370 | TmpInst.addOperand(Inst.getOperand(1)); | ||||||||
10371 | TmpInst.addOperand(Inst.getOperand(2)); | ||||||||
10372 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
10373 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
10374 | TmpInst.addOperand(Inst.getOperand(6)); | ||||||||
10375 | Inst = TmpInst; | ||||||||
10376 | return true; | ||||||||
10377 | } | ||||||||
10378 | return false; | ||||||||
10379 | } | ||||||||
10380 | case ARM::ITasm: | ||||||||
10381 | case ARM::t2IT: { | ||||||||
10382 | // Set up the IT block state according to the IT instruction we just | ||||||||
10383 | // matched. | ||||||||
10384 | assert(!inITBlock() && "nested IT blocks?!")((!inITBlock() && "nested IT blocks?!") ? static_cast <void> (0) : __assert_fail ("!inITBlock() && \"nested IT blocks?!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 10384, __PRETTY_FUNCTION__)); | ||||||||
10385 | startExplicitITBlock(ARMCC::CondCodes(Inst.getOperand(0).getImm()), | ||||||||
10386 | Inst.getOperand(1).getImm()); | ||||||||
10387 | break; | ||||||||
10388 | } | ||||||||
10389 | case ARM::t2LSLrr: | ||||||||
10390 | case ARM::t2LSRrr: | ||||||||
10391 | case ARM::t2ASRrr: | ||||||||
10392 | case ARM::t2SBCrr: | ||||||||
10393 | case ARM::t2RORrr: | ||||||||
10394 | case ARM::t2BICrr: | ||||||||
10395 | // Assemblers should use the narrow encodings of these instructions when permissible. | ||||||||
10396 | if ((isARMLowRegister(Inst.getOperand(1).getReg()) && | ||||||||
10397 | isARMLowRegister(Inst.getOperand(2).getReg())) && | ||||||||
10398 | Inst.getOperand(0).getReg() == Inst.getOperand(1).getReg() && | ||||||||
10399 | Inst.getOperand(5).getReg() == (inITBlock() ? 0 : ARM::CPSR) && | ||||||||
10400 | !HasWideQualifier) { | ||||||||
10401 | unsigned NewOpc; | ||||||||
10402 | switch (Inst.getOpcode()) { | ||||||||
10403 | default: llvm_unreachable("unexpected opcode")::llvm::llvm_unreachable_internal("unexpected opcode", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 10403); | ||||||||
10404 | case ARM::t2LSLrr: NewOpc = ARM::tLSLrr; break; | ||||||||
10405 | case ARM::t2LSRrr: NewOpc = ARM::tLSRrr; break; | ||||||||
10406 | case ARM::t2ASRrr: NewOpc = ARM::tASRrr; break; | ||||||||
10407 | case ARM::t2SBCrr: NewOpc = ARM::tSBC; break; | ||||||||
10408 | case ARM::t2RORrr: NewOpc = ARM::tROR; break; | ||||||||
10409 | case ARM::t2BICrr: NewOpc = ARM::tBIC; break; | ||||||||
10410 | } | ||||||||
10411 | MCInst TmpInst; | ||||||||
10412 | TmpInst.setOpcode(NewOpc); | ||||||||
10413 | TmpInst.addOperand(Inst.getOperand(0)); | ||||||||
10414 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
10415 | TmpInst.addOperand(Inst.getOperand(1)); | ||||||||
10416 | TmpInst.addOperand(Inst.getOperand(2)); | ||||||||
10417 | TmpInst.addOperand(Inst.getOperand(3)); | ||||||||
10418 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
10419 | Inst = TmpInst; | ||||||||
10420 | return true; | ||||||||
10421 | } | ||||||||
10422 | return false; | ||||||||
10423 | |||||||||
10424 | case ARM::t2ANDrr: | ||||||||
10425 | case ARM::t2EORrr: | ||||||||
10426 | case ARM::t2ADCrr: | ||||||||
10427 | case ARM::t2ORRrr: | ||||||||
10428 | // Assemblers should use the narrow encodings of these instructions when permissible. | ||||||||
10429 | // These instructions are special in that they are commutable, so shorter encodings | ||||||||
10430 | // are available more often. | ||||||||
10431 | if ((isARMLowRegister(Inst.getOperand(1).getReg()) && | ||||||||
10432 | isARMLowRegister(Inst.getOperand(2).getReg())) && | ||||||||
10433 | (Inst.getOperand(0).getReg() == Inst.getOperand(1).getReg() || | ||||||||
10434 | Inst.getOperand(0).getReg() == Inst.getOperand(2).getReg()) && | ||||||||
10435 | Inst.getOperand(5).getReg() == (inITBlock() ? 0 : ARM::CPSR) && | ||||||||
10436 | !HasWideQualifier) { | ||||||||
10437 | unsigned NewOpc; | ||||||||
10438 | switch (Inst.getOpcode()) { | ||||||||
10439 | default: llvm_unreachable("unexpected opcode")::llvm::llvm_unreachable_internal("unexpected opcode", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 10439); | ||||||||
10440 | case ARM::t2ADCrr: NewOpc = ARM::tADC; break; | ||||||||
10441 | case ARM::t2ANDrr: NewOpc = ARM::tAND; break; | ||||||||
10442 | case ARM::t2EORrr: NewOpc = ARM::tEOR; break; | ||||||||
10443 | case ARM::t2ORRrr: NewOpc = ARM::tORR; break; | ||||||||
10444 | } | ||||||||
10445 | MCInst TmpInst; | ||||||||
10446 | TmpInst.setOpcode(NewOpc); | ||||||||
10447 | TmpInst.addOperand(Inst.getOperand(0)); | ||||||||
10448 | TmpInst.addOperand(Inst.getOperand(5)); | ||||||||
10449 | if (Inst.getOperand(0).getReg() == Inst.getOperand(1).getReg()) { | ||||||||
10450 | TmpInst.addOperand(Inst.getOperand(1)); | ||||||||
10451 | TmpInst.addOperand(Inst.getOperand(2)); | ||||||||
10452 | } else { | ||||||||
10453 | TmpInst.addOperand(Inst.getOperand(2)); | ||||||||
10454 | TmpInst.addOperand(Inst.getOperand(1)); | ||||||||
10455 | } | ||||||||
10456 | TmpInst.addOperand(Inst.getOperand(3)); | ||||||||
10457 | TmpInst.addOperand(Inst.getOperand(4)); | ||||||||
10458 | Inst = TmpInst; | ||||||||
10459 | return true; | ||||||||
10460 | } | ||||||||
10461 | return false; | ||||||||
10462 | case ARM::MVE_VPST: | ||||||||
10463 | case ARM::MVE_VPTv16i8: | ||||||||
10464 | case ARM::MVE_VPTv8i16: | ||||||||
10465 | case ARM::MVE_VPTv4i32: | ||||||||
10466 | case ARM::MVE_VPTv16u8: | ||||||||
10467 | case ARM::MVE_VPTv8u16: | ||||||||
10468 | case ARM::MVE_VPTv4u32: | ||||||||
10469 | case ARM::MVE_VPTv16s8: | ||||||||
10470 | case ARM::MVE_VPTv8s16: | ||||||||
10471 | case ARM::MVE_VPTv4s32: | ||||||||
10472 | case ARM::MVE_VPTv4f32: | ||||||||
10473 | case ARM::MVE_VPTv8f16: | ||||||||
10474 | case ARM::MVE_VPTv16i8r: | ||||||||
10475 | case ARM::MVE_VPTv8i16r: | ||||||||
10476 | case ARM::MVE_VPTv4i32r: | ||||||||
10477 | case ARM::MVE_VPTv16u8r: | ||||||||
10478 | case ARM::MVE_VPTv8u16r: | ||||||||
10479 | case ARM::MVE_VPTv4u32r: | ||||||||
10480 | case ARM::MVE_VPTv16s8r: | ||||||||
10481 | case ARM::MVE_VPTv8s16r: | ||||||||
10482 | case ARM::MVE_VPTv4s32r: | ||||||||
10483 | case ARM::MVE_VPTv4f32r: | ||||||||
10484 | case ARM::MVE_VPTv8f16r: { | ||||||||
10485 | assert(!inVPTBlock() && "Nested VPT blocks are not allowed")((!inVPTBlock() && "Nested VPT blocks are not allowed" ) ? static_cast<void> (0) : __assert_fail ("!inVPTBlock() && \"Nested VPT blocks are not allowed\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 10485, __PRETTY_FUNCTION__)); | ||||||||
10486 | MCOperand &MO = Inst.getOperand(0); | ||||||||
10487 | VPTState.Mask = MO.getImm(); | ||||||||
10488 | VPTState.CurPosition = 0; | ||||||||
10489 | break; | ||||||||
10490 | } | ||||||||
10491 | } | ||||||||
10492 | return false; | ||||||||
10493 | } | ||||||||
10494 | |||||||||
10495 | unsigned ARMAsmParser::checkTargetMatchPredicate(MCInst &Inst) { | ||||||||
10496 | // 16-bit thumb arithmetic instructions either require or preclude the 'S' | ||||||||
10497 | // suffix depending on whether they're in an IT block or not. | ||||||||
10498 | unsigned Opc = Inst.getOpcode(); | ||||||||
10499 | const MCInstrDesc &MCID = MII.get(Opc); | ||||||||
10500 | if (MCID.TSFlags & ARMII::ThumbArithFlagSetting) { | ||||||||
10501 | assert(MCID.hasOptionalDef() &&((MCID.hasOptionalDef() && "optionally flag setting instruction missing optional def operand" ) ? static_cast<void> (0) : __assert_fail ("MCID.hasOptionalDef() && \"optionally flag setting instruction missing optional def operand\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 10502, __PRETTY_FUNCTION__)) | ||||||||
10502 | "optionally flag setting instruction missing optional def operand")((MCID.hasOptionalDef() && "optionally flag setting instruction missing optional def operand" ) ? static_cast<void> (0) : __assert_fail ("MCID.hasOptionalDef() && \"optionally flag setting instruction missing optional def operand\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 10502, __PRETTY_FUNCTION__)); | ||||||||
10503 | assert(MCID.NumOperands == Inst.getNumOperands() &&((MCID.NumOperands == Inst.getNumOperands() && "operand count mismatch!" ) ? static_cast<void> (0) : __assert_fail ("MCID.NumOperands == Inst.getNumOperands() && \"operand count mismatch!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 10504, __PRETTY_FUNCTION__)) | ||||||||
10504 | "operand count mismatch!")((MCID.NumOperands == Inst.getNumOperands() && "operand count mismatch!" ) ? static_cast<void> (0) : __assert_fail ("MCID.NumOperands == Inst.getNumOperands() && \"operand count mismatch!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 10504, __PRETTY_FUNCTION__)); | ||||||||
10505 | // Find the optional-def operand (cc_out). | ||||||||
10506 | unsigned OpNo; | ||||||||
10507 | for (OpNo = 0; | ||||||||
10508 | !MCID.OpInfo[OpNo].isOptionalDef() && OpNo < MCID.NumOperands; | ||||||||
10509 | ++OpNo) | ||||||||
10510 | ; | ||||||||
10511 | // If we're parsing Thumb1, reject it completely. | ||||||||
10512 | if (isThumbOne() && Inst.getOperand(OpNo).getReg() != ARM::CPSR) | ||||||||
10513 | return Match_RequiresFlagSetting; | ||||||||
10514 | // If we're parsing Thumb2, which form is legal depends on whether we're | ||||||||
10515 | // in an IT block. | ||||||||
10516 | if (isThumbTwo() && Inst.getOperand(OpNo).getReg() != ARM::CPSR && | ||||||||
10517 | !inITBlock()) | ||||||||
10518 | return Match_RequiresITBlock; | ||||||||
10519 | if (isThumbTwo() && Inst.getOperand(OpNo).getReg() == ARM::CPSR && | ||||||||
10520 | inITBlock()) | ||||||||
10521 | return Match_RequiresNotITBlock; | ||||||||
10522 | // LSL with zero immediate is not allowed in an IT block | ||||||||
10523 | if (Opc == ARM::tLSLri && Inst.getOperand(3).getImm() == 0 && inITBlock()) | ||||||||
10524 | return Match_RequiresNotITBlock; | ||||||||
10525 | } else if (isThumbOne()) { | ||||||||
10526 | // Some high-register supporting Thumb1 encodings only allow both registers | ||||||||
10527 | // to be from r0-r7 when in Thumb2. | ||||||||
10528 | if (Opc == ARM::tADDhirr && !hasV6MOps() && | ||||||||
10529 | isARMLowRegister(Inst.getOperand(1).getReg()) && | ||||||||
10530 | isARMLowRegister(Inst.getOperand(2).getReg())) | ||||||||
10531 | return Match_RequiresThumb2; | ||||||||
10532 | // Others only require ARMv6 or later. | ||||||||
10533 | else if (Opc == ARM::tMOVr && !hasV6Ops() && | ||||||||
10534 | isARMLowRegister(Inst.getOperand(0).getReg()) && | ||||||||
10535 | isARMLowRegister(Inst.getOperand(1).getReg())) | ||||||||
10536 | return Match_RequiresV6; | ||||||||
10537 | } | ||||||||
10538 | |||||||||
10539 | // Before ARMv8 the rules for when SP is allowed in t2MOVr are more complex | ||||||||
10540 | // than the loop below can handle, so it uses the GPRnopc register class and | ||||||||
10541 | // we do SP handling here. | ||||||||
10542 | if (Opc == ARM::t2MOVr && !hasV8Ops()) | ||||||||
10543 | { | ||||||||
10544 | // SP as both source and destination is not allowed | ||||||||
10545 | if (Inst.getOperand(0).getReg() == ARM::SP && | ||||||||
10546 | Inst.getOperand(1).getReg() == ARM::SP) | ||||||||
10547 | return Match_RequiresV8; | ||||||||
10548 | // When flags-setting SP as either source or destination is not allowed | ||||||||
10549 | if (Inst.getOperand(4).getReg() == ARM::CPSR && | ||||||||
10550 | (Inst.getOperand(0).getReg() == ARM::SP || | ||||||||
10551 | Inst.getOperand(1).getReg() == ARM::SP)) | ||||||||
10552 | return Match_RequiresV8; | ||||||||
10553 | } | ||||||||
10554 | |||||||||
10555 | switch (Inst.getOpcode()) { | ||||||||
10556 | case ARM::VMRS: | ||||||||
10557 | case ARM::VMSR: | ||||||||
10558 | case ARM::VMRS_FPCXTS: | ||||||||
10559 | case ARM::VMRS_FPCXTNS: | ||||||||
10560 | case ARM::VMSR_FPCXTS: | ||||||||
10561 | case ARM::VMSR_FPCXTNS: | ||||||||
10562 | case ARM::VMRS_FPSCR_NZCVQC: | ||||||||
10563 | case ARM::VMSR_FPSCR_NZCVQC: | ||||||||
10564 | case ARM::FMSTAT: | ||||||||
10565 | case ARM::VMRS_VPR: | ||||||||
10566 | case ARM::VMRS_P0: | ||||||||
10567 | case ARM::VMSR_VPR: | ||||||||
10568 | case ARM::VMSR_P0: | ||||||||
10569 | // Use of SP for VMRS/VMSR is only allowed in ARM mode with the exception of | ||||||||
10570 | // ARMv8-A. | ||||||||
10571 | if (Inst.getOperand(0).isReg() && Inst.getOperand(0).getReg() == ARM::SP && | ||||||||
10572 | (isThumb() && !hasV8Ops())) | ||||||||
10573 | return Match_InvalidOperand; | ||||||||
10574 | break; | ||||||||
10575 | default: | ||||||||
10576 | break; | ||||||||
10577 | } | ||||||||
10578 | |||||||||
10579 | for (unsigned I = 0; I < MCID.NumOperands; ++I) | ||||||||
10580 | if (MCID.OpInfo[I].RegClass == ARM::rGPRRegClassID) { | ||||||||
10581 | // rGPRRegClass excludes PC, and also excluded SP before ARMv8 | ||||||||
10582 | const auto &Op = Inst.getOperand(I); | ||||||||
10583 | if (!Op.isReg()) { | ||||||||
10584 | // This can happen in awkward cases with tied operands, e.g. a | ||||||||
10585 | // writeback load/store with a complex addressing mode in | ||||||||
10586 | // which there's an output operand corresponding to the | ||||||||
10587 | // updated written-back base register: the Tablegen-generated | ||||||||
10588 | // AsmMatcher will have written a placeholder operand to that | ||||||||
10589 | // slot in the form of an immediate 0, because it can't | ||||||||
10590 | // generate the register part of the complex addressing-mode | ||||||||
10591 | // operand ahead of time. | ||||||||
10592 | continue; | ||||||||
10593 | } | ||||||||
10594 | |||||||||
10595 | unsigned Reg = Op.getReg(); | ||||||||
10596 | if ((Reg == ARM::SP) && !hasV8Ops()) | ||||||||
10597 | return Match_RequiresV8; | ||||||||
10598 | else if (Reg == ARM::PC) | ||||||||
10599 | return Match_InvalidOperand; | ||||||||
10600 | } | ||||||||
10601 | |||||||||
10602 | return Match_Success; | ||||||||
10603 | } | ||||||||
10604 | |||||||||
10605 | namespace llvm { | ||||||||
10606 | |||||||||
10607 | template <> inline bool IsCPSRDead<MCInst>(const MCInst *Instr) { | ||||||||
10608 | return true; // In an assembly source, no need to second-guess | ||||||||
10609 | } | ||||||||
10610 | |||||||||
10611 | } // end namespace llvm | ||||||||
10612 | |||||||||
10613 | // Returns true if Inst is unpredictable if it is in and IT block, but is not | ||||||||
10614 | // the last instruction in the block. | ||||||||
10615 | bool ARMAsmParser::isITBlockTerminator(MCInst &Inst) const { | ||||||||
10616 | const MCInstrDesc &MCID = MII.get(Inst.getOpcode()); | ||||||||
10617 | |||||||||
10618 | // All branch & call instructions terminate IT blocks with the exception of | ||||||||
10619 | // SVC. | ||||||||
10620 | if (MCID.isTerminator() || (MCID.isCall() && Inst.getOpcode() != ARM::tSVC) || | ||||||||
10621 | MCID.isReturn() || MCID.isBranch() || MCID.isIndirectBranch()) | ||||||||
10622 | return true; | ||||||||
10623 | |||||||||
10624 | // Any arithmetic instruction which writes to the PC also terminates the IT | ||||||||
10625 | // block. | ||||||||
10626 | if (MCID.hasDefOfPhysReg(Inst, ARM::PC, *MRI)) | ||||||||
10627 | return true; | ||||||||
10628 | |||||||||
10629 | return false; | ||||||||
10630 | } | ||||||||
10631 | |||||||||
10632 | unsigned ARMAsmParser::MatchInstruction(OperandVector &Operands, MCInst &Inst, | ||||||||
10633 | SmallVectorImpl<NearMissInfo> &NearMisses, | ||||||||
10634 | bool MatchingInlineAsm, | ||||||||
10635 | bool &EmitInITBlock, | ||||||||
10636 | MCStreamer &Out) { | ||||||||
10637 | // If we can't use an implicit IT block here, just match as normal. | ||||||||
10638 | if (inExplicitITBlock() || !isThumbTwo() || !useImplicitITThumb()) | ||||||||
10639 | return MatchInstructionImpl(Operands, Inst, &NearMisses, MatchingInlineAsm); | ||||||||
10640 | |||||||||
10641 | // Try to match the instruction in an extension of the current IT block (if | ||||||||
10642 | // there is one). | ||||||||
10643 | if (inImplicitITBlock()) { | ||||||||
10644 | extendImplicitITBlock(ITState.Cond); | ||||||||
10645 | if (MatchInstructionImpl(Operands, Inst, nullptr, MatchingInlineAsm) == | ||||||||
10646 | Match_Success) { | ||||||||
10647 | // The match succeded, but we still have to check that the instruction is | ||||||||
10648 | // valid in this implicit IT block. | ||||||||
10649 | const MCInstrDesc &MCID = MII.get(Inst.getOpcode()); | ||||||||
10650 | if (MCID.isPredicable()) { | ||||||||
10651 | ARMCC::CondCodes InstCond = | ||||||||
10652 | (ARMCC::CondCodes)Inst.getOperand(MCID.findFirstPredOperandIdx()) | ||||||||
10653 | .getImm(); | ||||||||
10654 | ARMCC::CondCodes ITCond = currentITCond(); | ||||||||
10655 | if (InstCond == ITCond) { | ||||||||
10656 | EmitInITBlock = true; | ||||||||
10657 | return Match_Success; | ||||||||
10658 | } else if (InstCond == ARMCC::getOppositeCondition(ITCond)) { | ||||||||
10659 | invertCurrentITCondition(); | ||||||||
10660 | EmitInITBlock = true; | ||||||||
10661 | return Match_Success; | ||||||||
10662 | } | ||||||||
10663 | } | ||||||||
10664 | } | ||||||||
10665 | rewindImplicitITPosition(); | ||||||||
10666 | } | ||||||||
10667 | |||||||||
10668 | // Finish the current IT block, and try to match outside any IT block. | ||||||||
10669 | flushPendingInstructions(Out); | ||||||||
10670 | unsigned PlainMatchResult = | ||||||||
10671 | MatchInstructionImpl(Operands, Inst, &NearMisses, MatchingInlineAsm); | ||||||||
10672 | if (PlainMatchResult == Match_Success) { | ||||||||
10673 | const MCInstrDesc &MCID = MII.get(Inst.getOpcode()); | ||||||||
10674 | if (MCID.isPredicable()) { | ||||||||
10675 | ARMCC::CondCodes InstCond = | ||||||||
10676 | (ARMCC::CondCodes)Inst.getOperand(MCID.findFirstPredOperandIdx()) | ||||||||
10677 | .getImm(); | ||||||||
10678 | // Some forms of the branch instruction have their own condition code | ||||||||
10679 | // fields, so can be conditionally executed without an IT block. | ||||||||
10680 | if (Inst.getOpcode() == ARM::tBcc || Inst.getOpcode() == ARM::t2Bcc) { | ||||||||
10681 | EmitInITBlock = false; | ||||||||
10682 | return Match_Success; | ||||||||
10683 | } | ||||||||
10684 | if (InstCond == ARMCC::AL) { | ||||||||
10685 | EmitInITBlock = false; | ||||||||
10686 | return Match_Success; | ||||||||
10687 | } | ||||||||
10688 | } else { | ||||||||
10689 | EmitInITBlock = false; | ||||||||
10690 | return Match_Success; | ||||||||
10691 | } | ||||||||
10692 | } | ||||||||
10693 | |||||||||
10694 | // Try to match in a new IT block. The matcher doesn't check the actual | ||||||||
10695 | // condition, so we create an IT block with a dummy condition, and fix it up | ||||||||
10696 | // once we know the actual condition. | ||||||||
10697 | startImplicitITBlock(); | ||||||||
10698 | if (MatchInstructionImpl(Operands, Inst, nullptr, MatchingInlineAsm) == | ||||||||
10699 | Match_Success) { | ||||||||
10700 | const MCInstrDesc &MCID = MII.get(Inst.getOpcode()); | ||||||||
10701 | if (MCID.isPredicable()) { | ||||||||
10702 | ITState.Cond = | ||||||||
10703 | (ARMCC::CondCodes)Inst.getOperand(MCID.findFirstPredOperandIdx()) | ||||||||
10704 | .getImm(); | ||||||||
10705 | EmitInITBlock = true; | ||||||||
10706 | return Match_Success; | ||||||||
10707 | } | ||||||||
10708 | } | ||||||||
10709 | discardImplicitITBlock(); | ||||||||
10710 | |||||||||
10711 | // If none of these succeed, return the error we got when trying to match | ||||||||
10712 | // outside any IT blocks. | ||||||||
10713 | EmitInITBlock = false; | ||||||||
10714 | return PlainMatchResult; | ||||||||
10715 | } | ||||||||
10716 | |||||||||
10717 | static std::string ARMMnemonicSpellCheck(StringRef S, const FeatureBitset &FBS, | ||||||||
10718 | unsigned VariantID = 0); | ||||||||
10719 | |||||||||
10720 | static const char *getSubtargetFeatureName(uint64_t Val); | ||||||||
10721 | bool ARMAsmParser::MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode, | ||||||||
10722 | OperandVector &Operands, | ||||||||
10723 | MCStreamer &Out, uint64_t &ErrorInfo, | ||||||||
10724 | bool MatchingInlineAsm) { | ||||||||
10725 | MCInst Inst; | ||||||||
10726 | unsigned MatchResult; | ||||||||
10727 | bool PendConditionalInstruction = false; | ||||||||
10728 | |||||||||
10729 | SmallVector<NearMissInfo, 4> NearMisses; | ||||||||
10730 | MatchResult = MatchInstruction(Operands, Inst, NearMisses, MatchingInlineAsm, | ||||||||
10731 | PendConditionalInstruction, Out); | ||||||||
10732 | |||||||||
10733 | switch (MatchResult) { | ||||||||
10734 | case Match_Success: | ||||||||
10735 | LLVM_DEBUG(dbgs() << "Parsed as: ";do { if (::llvm::DebugFlag && ::llvm::isCurrentDebugType ("asm-parser")) { dbgs() << "Parsed as: "; Inst.dump_pretty (dbgs(), MII.getName(Inst.getOpcode())); dbgs() << "\n" ; } } while (false) | ||||||||
10736 | Inst.dump_pretty(dbgs(), MII.getName(Inst.getOpcode()));do { if (::llvm::DebugFlag && ::llvm::isCurrentDebugType ("asm-parser")) { dbgs() << "Parsed as: "; Inst.dump_pretty (dbgs(), MII.getName(Inst.getOpcode())); dbgs() << "\n" ; } } while (false) | ||||||||
10737 | dbgs() << "\n")do { if (::llvm::DebugFlag && ::llvm::isCurrentDebugType ("asm-parser")) { dbgs() << "Parsed as: "; Inst.dump_pretty (dbgs(), MII.getName(Inst.getOpcode())); dbgs() << "\n" ; } } while (false); | ||||||||
10738 | |||||||||
10739 | // Context sensitive operand constraints aren't handled by the matcher, | ||||||||
10740 | // so check them here. | ||||||||
10741 | if (validateInstruction(Inst, Operands)) { | ||||||||
10742 | // Still progress the IT block, otherwise one wrong condition causes | ||||||||
10743 | // nasty cascading errors. | ||||||||
10744 | forwardITPosition(); | ||||||||
10745 | forwardVPTPosition(); | ||||||||
10746 | return true; | ||||||||
10747 | } | ||||||||
10748 | |||||||||
10749 | { // processInstruction() updates inITBlock state, we need to save it away | ||||||||
10750 | bool wasInITBlock = inITBlock(); | ||||||||
10751 | |||||||||
10752 | // Some instructions need post-processing to, for example, tweak which | ||||||||
10753 | // encoding is selected. Loop on it while changes happen so the | ||||||||
10754 | // individual transformations can chain off each other. E.g., | ||||||||
10755 | // tPOP(r8)->t2LDMIA_UPD(sp,r8)->t2STR_POST(sp,r8) | ||||||||
10756 | while (processInstruction(Inst, Operands, Out)) | ||||||||
10757 | LLVM_DEBUG(dbgs() << "Changed to: ";do { if (::llvm::DebugFlag && ::llvm::isCurrentDebugType ("asm-parser")) { dbgs() << "Changed to: "; Inst.dump_pretty (dbgs(), MII.getName(Inst.getOpcode())); dbgs() << "\n" ; } } while (false) | ||||||||
10758 | Inst.dump_pretty(dbgs(), MII.getName(Inst.getOpcode()));do { if (::llvm::DebugFlag && ::llvm::isCurrentDebugType ("asm-parser")) { dbgs() << "Changed to: "; Inst.dump_pretty (dbgs(), MII.getName(Inst.getOpcode())); dbgs() << "\n" ; } } while (false) | ||||||||
10759 | dbgs() << "\n")do { if (::llvm::DebugFlag && ::llvm::isCurrentDebugType ("asm-parser")) { dbgs() << "Changed to: "; Inst.dump_pretty (dbgs(), MII.getName(Inst.getOpcode())); dbgs() << "\n" ; } } while (false); | ||||||||
10760 | |||||||||
10761 | // Only after the instruction is fully processed, we can validate it | ||||||||
10762 | if (wasInITBlock && hasV8Ops() && isThumb() && | ||||||||
10763 | !isV8EligibleForIT(&Inst)) { | ||||||||
10764 | Warning(IDLoc, "deprecated instruction in IT block"); | ||||||||
10765 | } | ||||||||
10766 | } | ||||||||
10767 | |||||||||
10768 | // Only move forward at the very end so that everything in validate | ||||||||
10769 | // and process gets a consistent answer about whether we're in an IT | ||||||||
10770 | // block. | ||||||||
10771 | forwardITPosition(); | ||||||||
10772 | forwardVPTPosition(); | ||||||||
10773 | |||||||||
10774 | // ITasm is an ARM mode pseudo-instruction that just sets the ITblock and | ||||||||
10775 | // doesn't actually encode. | ||||||||
10776 | if (Inst.getOpcode() == ARM::ITasm) | ||||||||
10777 | return false; | ||||||||
10778 | |||||||||
10779 | Inst.setLoc(IDLoc); | ||||||||
10780 | if (PendConditionalInstruction) { | ||||||||
10781 | PendingConditionalInsts.push_back(Inst); | ||||||||
10782 | if (isITBlockFull() || isITBlockTerminator(Inst)) | ||||||||
10783 | flushPendingInstructions(Out); | ||||||||
10784 | } else { | ||||||||
10785 | Out.emitInstruction(Inst, getSTI()); | ||||||||
10786 | } | ||||||||
10787 | return false; | ||||||||
10788 | case Match_NearMisses: | ||||||||
10789 | ReportNearMisses(NearMisses, IDLoc, Operands); | ||||||||
10790 | return true; | ||||||||
10791 | case Match_MnemonicFail: { | ||||||||
10792 | FeatureBitset FBS = ComputeAvailableFeatures(getSTI().getFeatureBits()); | ||||||||
10793 | std::string Suggestion = ARMMnemonicSpellCheck( | ||||||||
10794 | ((ARMOperand &)*Operands[0]).getToken(), FBS); | ||||||||
10795 | return Error(IDLoc, "invalid instruction" + Suggestion, | ||||||||
10796 | ((ARMOperand &)*Operands[0]).getLocRange()); | ||||||||
10797 | } | ||||||||
10798 | } | ||||||||
10799 | |||||||||
10800 | llvm_unreachable("Implement any new match types added!")::llvm::llvm_unreachable_internal("Implement any new match types added!" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 10800); | ||||||||
10801 | } | ||||||||
10802 | |||||||||
10803 | /// parseDirective parses the arm specific directives | ||||||||
10804 | bool ARMAsmParser::ParseDirective(AsmToken DirectiveID) { | ||||||||
10805 | const MCObjectFileInfo::Environment Format = | ||||||||
10806 | getContext().getObjectFileInfo()->getObjectFileType(); | ||||||||
10807 | bool IsMachO = Format == MCObjectFileInfo::IsMachO; | ||||||||
| |||||||||
10808 | bool IsCOFF = Format == MCObjectFileInfo::IsCOFF; | ||||||||
10809 | |||||||||
10810 | std::string IDVal = DirectiveID.getIdentifier().lower(); | ||||||||
10811 | if (IDVal == ".word") | ||||||||
10812 | parseLiteralValues(4, DirectiveID.getLoc()); | ||||||||
10813 | else if (IDVal == ".short" || IDVal == ".hword") | ||||||||
10814 | parseLiteralValues(2, DirectiveID.getLoc()); | ||||||||
10815 | else if (IDVal == ".thumb") | ||||||||
10816 | parseDirectiveThumb(DirectiveID.getLoc()); | ||||||||
10817 | else if (IDVal == ".arm") | ||||||||
10818 | parseDirectiveARM(DirectiveID.getLoc()); | ||||||||
10819 | else if (IDVal == ".thumb_func") | ||||||||
10820 | parseDirectiveThumbFunc(DirectiveID.getLoc()); | ||||||||
10821 | else if (IDVal == ".code") | ||||||||
10822 | parseDirectiveCode(DirectiveID.getLoc()); | ||||||||
10823 | else if (IDVal == ".syntax") | ||||||||
10824 | parseDirectiveSyntax(DirectiveID.getLoc()); | ||||||||
10825 | else if (IDVal == ".unreq") | ||||||||
10826 | parseDirectiveUnreq(DirectiveID.getLoc()); | ||||||||
10827 | else if (IDVal == ".fnend") | ||||||||
10828 | parseDirectiveFnEnd(DirectiveID.getLoc()); | ||||||||
10829 | else if (IDVal == ".cantunwind") | ||||||||
10830 | parseDirectiveCantUnwind(DirectiveID.getLoc()); | ||||||||
10831 | else if (IDVal == ".personality") | ||||||||
10832 | parseDirectivePersonality(DirectiveID.getLoc()); | ||||||||
10833 | else if (IDVal == ".handlerdata") | ||||||||
10834 | parseDirectiveHandlerData(DirectiveID.getLoc()); | ||||||||
10835 | else if (IDVal == ".setfp") | ||||||||
10836 | parseDirectiveSetFP(DirectiveID.getLoc()); | ||||||||
10837 | else if (IDVal == ".pad") | ||||||||
10838 | parseDirectivePad(DirectiveID.getLoc()); | ||||||||
10839 | else if (IDVal == ".save") | ||||||||
10840 | parseDirectiveRegSave(DirectiveID.getLoc(), false); | ||||||||
10841 | else if (IDVal == ".vsave") | ||||||||
10842 | parseDirectiveRegSave(DirectiveID.getLoc(), true); | ||||||||
10843 | else if (IDVal == ".ltorg" || IDVal == ".pool") | ||||||||
10844 | parseDirectiveLtorg(DirectiveID.getLoc()); | ||||||||
10845 | else if (IDVal == ".even") | ||||||||
10846 | parseDirectiveEven(DirectiveID.getLoc()); | ||||||||
10847 | else if (IDVal == ".personalityindex") | ||||||||
10848 | parseDirectivePersonalityIndex(DirectiveID.getLoc()); | ||||||||
10849 | else if (IDVal == ".unwind_raw") | ||||||||
10850 | parseDirectiveUnwindRaw(DirectiveID.getLoc()); | ||||||||
10851 | else if (IDVal == ".movsp") | ||||||||
10852 | parseDirectiveMovSP(DirectiveID.getLoc()); | ||||||||
10853 | else if (IDVal == ".arch_extension") | ||||||||
10854 | parseDirectiveArchExtension(DirectiveID.getLoc()); | ||||||||
10855 | else if (IDVal == ".align") | ||||||||
10856 | return parseDirectiveAlign(DirectiveID.getLoc()); // Use Generic on failure. | ||||||||
10857 | else if (IDVal == ".thumb_set") | ||||||||
10858 | parseDirectiveThumbSet(DirectiveID.getLoc()); | ||||||||
10859 | else if (IDVal == ".inst") | ||||||||
10860 | parseDirectiveInst(DirectiveID.getLoc()); | ||||||||
10861 | else if (IDVal == ".inst.n") | ||||||||
10862 | parseDirectiveInst(DirectiveID.getLoc(), 'n'); | ||||||||
10863 | else if (IDVal == ".inst.w") | ||||||||
10864 | parseDirectiveInst(DirectiveID.getLoc(), 'w'); | ||||||||
10865 | else if (!IsMachO
| ||||||||
10866 | if (IDVal == ".arch") | ||||||||
10867 | parseDirectiveArch(DirectiveID.getLoc()); | ||||||||
10868 | else if (IDVal == ".cpu") | ||||||||
10869 | parseDirectiveCPU(DirectiveID.getLoc()); | ||||||||
10870 | else if (IDVal == ".eabi_attribute") | ||||||||
10871 | parseDirectiveEabiAttr(DirectiveID.getLoc()); | ||||||||
10872 | else if (IDVal == ".fpu") | ||||||||
10873 | parseDirectiveFPU(DirectiveID.getLoc()); | ||||||||
10874 | else if (IDVal == ".fnstart") | ||||||||
10875 | parseDirectiveFnStart(DirectiveID.getLoc()); | ||||||||
10876 | else if (IDVal == ".object_arch") | ||||||||
10877 | parseDirectiveObjectArch(DirectiveID.getLoc()); | ||||||||
10878 | else if (IDVal == ".tlsdescseq") | ||||||||
10879 | parseDirectiveTLSDescSeq(DirectiveID.getLoc()); | ||||||||
10880 | else | ||||||||
10881 | return true; | ||||||||
10882 | } else | ||||||||
10883 | return true; | ||||||||
10884 | return false; | ||||||||
10885 | } | ||||||||
10886 | |||||||||
10887 | /// parseLiteralValues | ||||||||
10888 | /// ::= .hword expression [, expression]* | ||||||||
10889 | /// ::= .short expression [, expression]* | ||||||||
10890 | /// ::= .word expression [, expression]* | ||||||||
10891 | bool ARMAsmParser::parseLiteralValues(unsigned Size, SMLoc L) { | ||||||||
10892 | auto parseOne = [&]() -> bool { | ||||||||
10893 | const MCExpr *Value; | ||||||||
10894 | if (getParser().parseExpression(Value)) | ||||||||
10895 | return true; | ||||||||
10896 | getParser().getStreamer().emitValue(Value, Size, L); | ||||||||
10897 | return false; | ||||||||
10898 | }; | ||||||||
10899 | return (parseMany(parseOne)); | ||||||||
10900 | } | ||||||||
10901 | |||||||||
10902 | /// parseDirectiveThumb | ||||||||
10903 | /// ::= .thumb | ||||||||
10904 | bool ARMAsmParser::parseDirectiveThumb(SMLoc L) { | ||||||||
10905 | if (parseToken(AsmToken::EndOfStatement, "unexpected token in directive") || | ||||||||
10906 | check(!hasThumb(), L, "target does not support Thumb mode")) | ||||||||
10907 | return true; | ||||||||
10908 | |||||||||
10909 | if (!isThumb()) | ||||||||
10910 | SwitchMode(); | ||||||||
10911 | |||||||||
10912 | getParser().getStreamer().emitAssemblerFlag(MCAF_Code16); | ||||||||
10913 | return false; | ||||||||
10914 | } | ||||||||
10915 | |||||||||
10916 | /// parseDirectiveARM | ||||||||
10917 | /// ::= .arm | ||||||||
10918 | bool ARMAsmParser::parseDirectiveARM(SMLoc L) { | ||||||||
10919 | if (parseToken(AsmToken::EndOfStatement, "unexpected token in directive") || | ||||||||
10920 | check(!hasARM(), L, "target does not support ARM mode")) | ||||||||
10921 | return true; | ||||||||
10922 | |||||||||
10923 | if (isThumb()) | ||||||||
10924 | SwitchMode(); | ||||||||
10925 | getParser().getStreamer().emitAssemblerFlag(MCAF_Code32); | ||||||||
10926 | return false; | ||||||||
10927 | } | ||||||||
10928 | |||||||||
10929 | void ARMAsmParser::doBeforeLabelEmit(MCSymbol *Symbol) { | ||||||||
10930 | // We need to flush the current implicit IT block on a label, because it is | ||||||||
10931 | // not legal to branch into an IT block. | ||||||||
10932 | flushPendingInstructions(getStreamer()); | ||||||||
10933 | } | ||||||||
10934 | |||||||||
10935 | void ARMAsmParser::onLabelParsed(MCSymbol *Symbol) { | ||||||||
10936 | if (NextSymbolIsThumb) { | ||||||||
10937 | getParser().getStreamer().emitThumbFunc(Symbol); | ||||||||
10938 | NextSymbolIsThumb = false; | ||||||||
10939 | } | ||||||||
10940 | } | ||||||||
10941 | |||||||||
10942 | /// parseDirectiveThumbFunc | ||||||||
10943 | /// ::= .thumbfunc symbol_name | ||||||||
10944 | bool ARMAsmParser::parseDirectiveThumbFunc(SMLoc L) { | ||||||||
10945 | MCAsmParser &Parser = getParser(); | ||||||||
10946 | const auto Format = getContext().getObjectFileInfo()->getObjectFileType(); | ||||||||
10947 | bool IsMachO = Format == MCObjectFileInfo::IsMachO; | ||||||||
10948 | |||||||||
10949 | // Darwin asm has (optionally) function name after .thumb_func direction | ||||||||
10950 | // ELF doesn't | ||||||||
10951 | |||||||||
10952 | if (IsMachO) { | ||||||||
10953 | if (Parser.getTok().is(AsmToken::Identifier) || | ||||||||
10954 | Parser.getTok().is(AsmToken::String)) { | ||||||||
10955 | MCSymbol *Func = getParser().getContext().getOrCreateSymbol( | ||||||||
10956 | Parser.getTok().getIdentifier()); | ||||||||
10957 | getParser().getStreamer().emitThumbFunc(Func); | ||||||||
10958 | Parser.Lex(); | ||||||||
10959 | if (parseToken(AsmToken::EndOfStatement, | ||||||||
10960 | "unexpected token in '.thumb_func' directive")) | ||||||||
10961 | return true; | ||||||||
10962 | return false; | ||||||||
10963 | } | ||||||||
10964 | } | ||||||||
10965 | |||||||||
10966 | if (parseToken(AsmToken::EndOfStatement, | ||||||||
10967 | "unexpected token in '.thumb_func' directive")) | ||||||||
10968 | return true; | ||||||||
10969 | |||||||||
10970 | NextSymbolIsThumb = true; | ||||||||
10971 | return false; | ||||||||
10972 | } | ||||||||
10973 | |||||||||
10974 | /// parseDirectiveSyntax | ||||||||
10975 | /// ::= .syntax unified | divided | ||||||||
10976 | bool ARMAsmParser::parseDirectiveSyntax(SMLoc L) { | ||||||||
10977 | MCAsmParser &Parser = getParser(); | ||||||||
10978 | const AsmToken &Tok = Parser.getTok(); | ||||||||
10979 | if (Tok.isNot(AsmToken::Identifier)) { | ||||||||
10980 | Error(L, "unexpected token in .syntax directive"); | ||||||||
10981 | return false; | ||||||||
10982 | } | ||||||||
10983 | |||||||||
10984 | StringRef Mode = Tok.getString(); | ||||||||
10985 | Parser.Lex(); | ||||||||
10986 | if (check(Mode == "divided" || Mode == "DIVIDED", L, | ||||||||
10987 | "'.syntax divided' arm assembly not supported") || | ||||||||
10988 | check(Mode != "unified" && Mode != "UNIFIED", L, | ||||||||
10989 | "unrecognized syntax mode in .syntax directive") || | ||||||||
10990 | parseToken(AsmToken::EndOfStatement, "unexpected token in directive")) | ||||||||
10991 | return true; | ||||||||
10992 | |||||||||
10993 | // TODO tell the MC streamer the mode | ||||||||
10994 | // getParser().getStreamer().Emit???(); | ||||||||
10995 | return false; | ||||||||
10996 | } | ||||||||
10997 | |||||||||
10998 | /// parseDirectiveCode | ||||||||
10999 | /// ::= .code 16 | 32 | ||||||||
11000 | bool ARMAsmParser::parseDirectiveCode(SMLoc L) { | ||||||||
11001 | MCAsmParser &Parser = getParser(); | ||||||||
11002 | const AsmToken &Tok = Parser.getTok(); | ||||||||
11003 | if (Tok.isNot(AsmToken::Integer)) | ||||||||
11004 | return Error(L, "unexpected token in .code directive"); | ||||||||
11005 | int64_t Val = Parser.getTok().getIntVal(); | ||||||||
11006 | if (Val != 16 && Val != 32) { | ||||||||
11007 | Error(L, "invalid operand to .code directive"); | ||||||||
11008 | return false; | ||||||||
11009 | } | ||||||||
11010 | Parser.Lex(); | ||||||||
11011 | |||||||||
11012 | if (parseToken(AsmToken::EndOfStatement, "unexpected token in directive")) | ||||||||
11013 | return true; | ||||||||
11014 | |||||||||
11015 | if (Val == 16) { | ||||||||
11016 | if (!hasThumb()) | ||||||||
11017 | return Error(L, "target does not support Thumb mode"); | ||||||||
11018 | |||||||||
11019 | if (!isThumb()) | ||||||||
11020 | SwitchMode(); | ||||||||
11021 | getParser().getStreamer().emitAssemblerFlag(MCAF_Code16); | ||||||||
11022 | } else { | ||||||||
11023 | if (!hasARM()) | ||||||||
11024 | return Error(L, "target does not support ARM mode"); | ||||||||
11025 | |||||||||
11026 | if (isThumb()) | ||||||||
11027 | SwitchMode(); | ||||||||
11028 | getParser().getStreamer().emitAssemblerFlag(MCAF_Code32); | ||||||||
11029 | } | ||||||||
11030 | |||||||||
11031 | return false; | ||||||||
11032 | } | ||||||||
11033 | |||||||||
11034 | /// parseDirectiveReq | ||||||||
11035 | /// ::= name .req registername | ||||||||
11036 | bool ARMAsmParser::parseDirectiveReq(StringRef Name, SMLoc L) { | ||||||||
11037 | MCAsmParser &Parser = getParser(); | ||||||||
11038 | Parser.Lex(); // Eat the '.req' token. | ||||||||
11039 | unsigned Reg; | ||||||||
11040 | SMLoc SRegLoc, ERegLoc; | ||||||||
11041 | if (check(ParseRegister(Reg, SRegLoc, ERegLoc), SRegLoc, | ||||||||
11042 | "register name expected") || | ||||||||
11043 | parseToken(AsmToken::EndOfStatement, | ||||||||
11044 | "unexpected input in .req directive.")) | ||||||||
11045 | return true; | ||||||||
11046 | |||||||||
11047 | if (RegisterReqs.insert(std::make_pair(Name, Reg)).first->second != Reg) | ||||||||
11048 | return Error(SRegLoc, | ||||||||
11049 | "redefinition of '" + Name + "' does not match original."); | ||||||||
11050 | |||||||||
11051 | return false; | ||||||||
11052 | } | ||||||||
11053 | |||||||||
11054 | /// parseDirectiveUneq | ||||||||
11055 | /// ::= .unreq registername | ||||||||
11056 | bool ARMAsmParser::parseDirectiveUnreq(SMLoc L) { | ||||||||
11057 | MCAsmParser &Parser = getParser(); | ||||||||
11058 | if (Parser.getTok().isNot(AsmToken::Identifier)) | ||||||||
11059 | return Error(L, "unexpected input in .unreq directive."); | ||||||||
11060 | RegisterReqs.erase(Parser.getTok().getIdentifier().lower()); | ||||||||
11061 | Parser.Lex(); // Eat the identifier. | ||||||||
11062 | if (parseToken(AsmToken::EndOfStatement, | ||||||||
11063 | "unexpected input in '.unreq' directive")) | ||||||||
11064 | return true; | ||||||||
11065 | return false; | ||||||||
11066 | } | ||||||||
11067 | |||||||||
11068 | // After changing arch/CPU, try to put the ARM/Thumb mode back to what it was | ||||||||
11069 | // before, if supported by the new target, or emit mapping symbols for the mode | ||||||||
11070 | // switch. | ||||||||
11071 | void ARMAsmParser::FixModeAfterArchChange(bool WasThumb, SMLoc Loc) { | ||||||||
11072 | if (WasThumb != isThumb()) { | ||||||||
11073 | if (WasThumb && hasThumb()) { | ||||||||
11074 | // Stay in Thumb mode | ||||||||
11075 | SwitchMode(); | ||||||||
11076 | } else if (!WasThumb && hasARM()) { | ||||||||
11077 | // Stay in ARM mode | ||||||||
11078 | SwitchMode(); | ||||||||
11079 | } else { | ||||||||
11080 | // Mode switch forced, because the new arch doesn't support the old mode. | ||||||||
11081 | getParser().getStreamer().emitAssemblerFlag(isThumb() ? MCAF_Code16 | ||||||||
11082 | : MCAF_Code32); | ||||||||
11083 | // Warn about the implcit mode switch. GAS does not switch modes here, | ||||||||
11084 | // but instead stays in the old mode, reporting an error on any following | ||||||||
11085 | // instructions as the mode does not exist on the target. | ||||||||
11086 | Warning(Loc, Twine("new target does not support ") + | ||||||||
11087 | (WasThumb ? "thumb" : "arm") + " mode, switching to " + | ||||||||
11088 | (!WasThumb ? "thumb" : "arm") + " mode"); | ||||||||
11089 | } | ||||||||
11090 | } | ||||||||
11091 | } | ||||||||
11092 | |||||||||
11093 | /// parseDirectiveArch | ||||||||
11094 | /// ::= .arch token | ||||||||
11095 | bool ARMAsmParser::parseDirectiveArch(SMLoc L) { | ||||||||
11096 | StringRef Arch = getParser().parseStringToEndOfStatement().trim(); | ||||||||
11097 | ARM::ArchKind ID = ARM::parseArch(Arch); | ||||||||
11098 | |||||||||
11099 | if (ID == ARM::ArchKind::INVALID) | ||||||||
11100 | return Error(L, "Unknown arch name"); | ||||||||
11101 | |||||||||
11102 | bool WasThumb = isThumb(); | ||||||||
11103 | Triple T; | ||||||||
11104 | MCSubtargetInfo &STI = copySTI(); | ||||||||
11105 | STI.setDefaultFeatures("", ("+" + ARM::getArchName(ID)).str()); | ||||||||
11106 | setAvailableFeatures(ComputeAvailableFeatures(STI.getFeatureBits())); | ||||||||
11107 | FixModeAfterArchChange(WasThumb, L); | ||||||||
11108 | |||||||||
11109 | getTargetStreamer().emitArch(ID); | ||||||||
11110 | return false; | ||||||||
11111 | } | ||||||||
11112 | |||||||||
11113 | /// parseDirectiveEabiAttr | ||||||||
11114 | /// ::= .eabi_attribute int, int [, "str"] | ||||||||
11115 | /// ::= .eabi_attribute Tag_name, int [, "str"] | ||||||||
11116 | bool ARMAsmParser::parseDirectiveEabiAttr(SMLoc L) { | ||||||||
11117 | MCAsmParser &Parser = getParser(); | ||||||||
11118 | int64_t Tag; | ||||||||
11119 | SMLoc TagLoc; | ||||||||
11120 | TagLoc = Parser.getTok().getLoc(); | ||||||||
11121 | if (Parser.getTok().is(AsmToken::Identifier)) { | ||||||||
11122 | StringRef Name = Parser.getTok().getIdentifier(); | ||||||||
11123 | Tag = ARMBuildAttrs::AttrTypeFromString(Name); | ||||||||
11124 | if (Tag == -1) { | ||||||||
11125 | Error(TagLoc, "attribute name not recognised: " + Name); | ||||||||
11126 | return false; | ||||||||
11127 | } | ||||||||
11128 | Parser.Lex(); | ||||||||
11129 | } else { | ||||||||
11130 | const MCExpr *AttrExpr; | ||||||||
11131 | |||||||||
11132 | TagLoc = Parser.getTok().getLoc(); | ||||||||
11133 | if (Parser.parseExpression(AttrExpr)) | ||||||||
11134 | return true; | ||||||||
11135 | |||||||||
11136 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(AttrExpr); | ||||||||
11137 | if (check(!CE, TagLoc, "expected numeric constant")) | ||||||||
11138 | return true; | ||||||||
11139 | |||||||||
11140 | Tag = CE->getValue(); | ||||||||
| |||||||||
11141 | } | ||||||||
11142 | |||||||||
11143 | if (Parser.parseToken(AsmToken::Comma, "comma expected")) | ||||||||
11144 | return true; | ||||||||
11145 | |||||||||
11146 | StringRef StringValue = ""; | ||||||||
11147 | bool IsStringValue = false; | ||||||||
11148 | |||||||||
11149 | int64_t IntegerValue = 0; | ||||||||
11150 | bool IsIntegerValue = false; | ||||||||
11151 | |||||||||
11152 | if (Tag == ARMBuildAttrs::CPU_raw_name || Tag == ARMBuildAttrs::CPU_name) | ||||||||
11153 | IsStringValue = true; | ||||||||
11154 | else if (Tag == ARMBuildAttrs::compatibility) { | ||||||||
11155 | IsStringValue = true; | ||||||||
11156 | IsIntegerValue = true; | ||||||||
11157 | } else if (Tag < 32 || Tag % 2 == 0) | ||||||||
11158 | IsIntegerValue = true; | ||||||||
11159 | else if (Tag % 2 == 1) | ||||||||
11160 | IsStringValue = true; | ||||||||
11161 | else | ||||||||
11162 | llvm_unreachable("invalid tag type")::llvm::llvm_unreachable_internal("invalid tag type", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 11162); | ||||||||
11163 | |||||||||
11164 | if (IsIntegerValue) { | ||||||||
11165 | const MCExpr *ValueExpr; | ||||||||
11166 | SMLoc ValueExprLoc = Parser.getTok().getLoc(); | ||||||||
11167 | if (Parser.parseExpression(ValueExpr)) | ||||||||
11168 | return true; | ||||||||
11169 | |||||||||
11170 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(ValueExpr); | ||||||||
11171 | if (!CE) | ||||||||
11172 | return Error(ValueExprLoc, "expected numeric constant"); | ||||||||
11173 | IntegerValue = CE->getValue(); | ||||||||
11174 | } | ||||||||
11175 | |||||||||
11176 | if (Tag == ARMBuildAttrs::compatibility) { | ||||||||
11177 | if (Parser.parseToken(AsmToken::Comma, "comma expected")) | ||||||||
11178 | return true; | ||||||||
11179 | } | ||||||||
11180 | |||||||||
11181 | if (IsStringValue) { | ||||||||
11182 | if (Parser.getTok().isNot(AsmToken::String)) | ||||||||
11183 | return Error(Parser.getTok().getLoc(), "bad string constant"); | ||||||||
11184 | |||||||||
11185 | StringValue = Parser.getTok().getStringContents(); | ||||||||
11186 | Parser.Lex(); | ||||||||
11187 | } | ||||||||
11188 | |||||||||
11189 | if (Parser.parseToken(AsmToken::EndOfStatement, | ||||||||
11190 | "unexpected token in '.eabi_attribute' directive")) | ||||||||
11191 | return true; | ||||||||
11192 | |||||||||
11193 | if (IsIntegerValue && IsStringValue) { | ||||||||
11194 | assert(Tag == ARMBuildAttrs::compatibility)((Tag == ARMBuildAttrs::compatibility) ? static_cast<void> (0) : __assert_fail ("Tag == ARMBuildAttrs::compatibility", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 11194, __PRETTY_FUNCTION__)); | ||||||||
11195 | getTargetStreamer().emitIntTextAttribute(Tag, IntegerValue, StringValue); | ||||||||
11196 | } else if (IsIntegerValue) | ||||||||
11197 | getTargetStreamer().emitAttribute(Tag, IntegerValue); | ||||||||
11198 | else if (IsStringValue) | ||||||||
11199 | getTargetStreamer().emitTextAttribute(Tag, StringValue); | ||||||||
11200 | return false; | ||||||||
11201 | } | ||||||||
11202 | |||||||||
11203 | /// parseDirectiveCPU | ||||||||
11204 | /// ::= .cpu str | ||||||||
11205 | bool ARMAsmParser::parseDirectiveCPU(SMLoc L) { | ||||||||
11206 | StringRef CPU = getParser().parseStringToEndOfStatement().trim(); | ||||||||
11207 | getTargetStreamer().emitTextAttribute(ARMBuildAttrs::CPU_name, CPU); | ||||||||
11208 | |||||||||
11209 | // FIXME: This is using table-gen data, but should be moved to | ||||||||
11210 | // ARMTargetParser once that is table-gen'd. | ||||||||
11211 | if (!getSTI().isCPUStringValid(CPU)) | ||||||||
11212 | return Error(L, "Unknown CPU name"); | ||||||||
11213 | |||||||||
11214 | bool WasThumb = isThumb(); | ||||||||
11215 | MCSubtargetInfo &STI = copySTI(); | ||||||||
11216 | STI.setDefaultFeatures(CPU, ""); | ||||||||
11217 | setAvailableFeatures(ComputeAvailableFeatures(STI.getFeatureBits())); | ||||||||
11218 | FixModeAfterArchChange(WasThumb, L); | ||||||||
11219 | |||||||||
11220 | return false; | ||||||||
11221 | } | ||||||||
11222 | |||||||||
11223 | /// parseDirectiveFPU | ||||||||
11224 | /// ::= .fpu str | ||||||||
11225 | bool ARMAsmParser::parseDirectiveFPU(SMLoc L) { | ||||||||
11226 | SMLoc FPUNameLoc = getTok().getLoc(); | ||||||||
11227 | StringRef FPU = getParser().parseStringToEndOfStatement().trim(); | ||||||||
11228 | |||||||||
11229 | unsigned ID = ARM::parseFPU(FPU); | ||||||||
11230 | std::vector<StringRef> Features; | ||||||||
11231 | if (!ARM::getFPUFeatures(ID, Features)) | ||||||||
11232 | return Error(FPUNameLoc, "Unknown FPU name"); | ||||||||
11233 | |||||||||
11234 | MCSubtargetInfo &STI = copySTI(); | ||||||||
11235 | for (auto Feature : Features) | ||||||||
11236 | STI.ApplyFeatureFlag(Feature); | ||||||||
11237 | setAvailableFeatures(ComputeAvailableFeatures(STI.getFeatureBits())); | ||||||||
11238 | |||||||||
11239 | getTargetStreamer().emitFPU(ID); | ||||||||
11240 | return false; | ||||||||
11241 | } | ||||||||
11242 | |||||||||
11243 | /// parseDirectiveFnStart | ||||||||
11244 | /// ::= .fnstart | ||||||||
11245 | bool ARMAsmParser::parseDirectiveFnStart(SMLoc L) { | ||||||||
11246 | if (parseToken(AsmToken::EndOfStatement, | ||||||||
11247 | "unexpected token in '.fnstart' directive")) | ||||||||
11248 | return true; | ||||||||
11249 | |||||||||
11250 | if (UC.hasFnStart()) { | ||||||||
11251 | Error(L, ".fnstart starts before the end of previous one"); | ||||||||
11252 | UC.emitFnStartLocNotes(); | ||||||||
11253 | return true; | ||||||||
11254 | } | ||||||||
11255 | |||||||||
11256 | // Reset the unwind directives parser state | ||||||||
11257 | UC.reset(); | ||||||||
11258 | |||||||||
11259 | getTargetStreamer().emitFnStart(); | ||||||||
11260 | |||||||||
11261 | UC.recordFnStart(L); | ||||||||
11262 | return false; | ||||||||
11263 | } | ||||||||
11264 | |||||||||
11265 | /// parseDirectiveFnEnd | ||||||||
11266 | /// ::= .fnend | ||||||||
11267 | bool ARMAsmParser::parseDirectiveFnEnd(SMLoc L) { | ||||||||
11268 | if (parseToken(AsmToken::EndOfStatement, | ||||||||
11269 | "unexpected token in '.fnend' directive")) | ||||||||
11270 | return true; | ||||||||
11271 | // Check the ordering of unwind directives | ||||||||
11272 | if (!UC.hasFnStart()) | ||||||||
11273 | return Error(L, ".fnstart must precede .fnend directive"); | ||||||||
11274 | |||||||||
11275 | // Reset the unwind directives parser state | ||||||||
11276 | getTargetStreamer().emitFnEnd(); | ||||||||
11277 | |||||||||
11278 | UC.reset(); | ||||||||
11279 | return false; | ||||||||
11280 | } | ||||||||
11281 | |||||||||
11282 | /// parseDirectiveCantUnwind | ||||||||
11283 | /// ::= .cantunwind | ||||||||
11284 | bool ARMAsmParser::parseDirectiveCantUnwind(SMLoc L) { | ||||||||
11285 | if (parseToken(AsmToken::EndOfStatement, | ||||||||
11286 | "unexpected token in '.cantunwind' directive")) | ||||||||
11287 | return true; | ||||||||
11288 | |||||||||
11289 | UC.recordCantUnwind(L); | ||||||||
11290 | // Check the ordering of unwind directives | ||||||||
11291 | if (check(!UC.hasFnStart(), L, ".fnstart must precede .cantunwind directive")) | ||||||||
11292 | return true; | ||||||||
11293 | |||||||||
11294 | if (UC.hasHandlerData()) { | ||||||||
11295 | Error(L, ".cantunwind can't be used with .handlerdata directive"); | ||||||||
11296 | UC.emitHandlerDataLocNotes(); | ||||||||
11297 | return true; | ||||||||
11298 | } | ||||||||
11299 | if (UC.hasPersonality()) { | ||||||||
11300 | Error(L, ".cantunwind can't be used with .personality directive"); | ||||||||
11301 | UC.emitPersonalityLocNotes(); | ||||||||
11302 | return true; | ||||||||
11303 | } | ||||||||
11304 | |||||||||
11305 | getTargetStreamer().emitCantUnwind(); | ||||||||
11306 | return false; | ||||||||
11307 | } | ||||||||
11308 | |||||||||
11309 | /// parseDirectivePersonality | ||||||||
11310 | /// ::= .personality name | ||||||||
11311 | bool ARMAsmParser::parseDirectivePersonality(SMLoc L) { | ||||||||
11312 | MCAsmParser &Parser = getParser(); | ||||||||
11313 | bool HasExistingPersonality = UC.hasPersonality(); | ||||||||
11314 | |||||||||
11315 | // Parse the name of the personality routine | ||||||||
11316 | if (Parser.getTok().isNot(AsmToken::Identifier)) | ||||||||
11317 | return Error(L, "unexpected input in .personality directive."); | ||||||||
11318 | StringRef Name(Parser.getTok().getIdentifier()); | ||||||||
11319 | Parser.Lex(); | ||||||||
11320 | |||||||||
11321 | if (parseToken(AsmToken::EndOfStatement, | ||||||||
11322 | "unexpected token in '.personality' directive")) | ||||||||
11323 | return true; | ||||||||
11324 | |||||||||
11325 | UC.recordPersonality(L); | ||||||||
11326 | |||||||||
11327 | // Check the ordering of unwind directives | ||||||||
11328 | if (!UC.hasFnStart()) | ||||||||
11329 | return Error(L, ".fnstart must precede .personality directive"); | ||||||||
11330 | if (UC.cantUnwind()) { | ||||||||
11331 | Error(L, ".personality can't be used with .cantunwind directive"); | ||||||||
11332 | UC.emitCantUnwindLocNotes(); | ||||||||
11333 | return true; | ||||||||
11334 | } | ||||||||
11335 | if (UC.hasHandlerData()) { | ||||||||
11336 | Error(L, ".personality must precede .handlerdata directive"); | ||||||||
11337 | UC.emitHandlerDataLocNotes(); | ||||||||
11338 | return true; | ||||||||
11339 | } | ||||||||
11340 | if (HasExistingPersonality) { | ||||||||
11341 | Error(L, "multiple personality directives"); | ||||||||
11342 | UC.emitPersonalityLocNotes(); | ||||||||
11343 | return true; | ||||||||
11344 | } | ||||||||
11345 | |||||||||
11346 | MCSymbol *PR = getParser().getContext().getOrCreateSymbol(Name); | ||||||||
11347 | getTargetStreamer().emitPersonality(PR); | ||||||||
11348 | return false; | ||||||||
11349 | } | ||||||||
11350 | |||||||||
11351 | /// parseDirectiveHandlerData | ||||||||
11352 | /// ::= .handlerdata | ||||||||
11353 | bool ARMAsmParser::parseDirectiveHandlerData(SMLoc L) { | ||||||||
11354 | if (parseToken(AsmToken::EndOfStatement, | ||||||||
11355 | "unexpected token in '.handlerdata' directive")) | ||||||||
11356 | return true; | ||||||||
11357 | |||||||||
11358 | UC.recordHandlerData(L); | ||||||||
11359 | // Check the ordering of unwind directives | ||||||||
11360 | if (!UC.hasFnStart()) | ||||||||
11361 | return Error(L, ".fnstart must precede .personality directive"); | ||||||||
11362 | if (UC.cantUnwind()) { | ||||||||
11363 | Error(L, ".handlerdata can't be used with .cantunwind directive"); | ||||||||
11364 | UC.emitCantUnwindLocNotes(); | ||||||||
11365 | return true; | ||||||||
11366 | } | ||||||||
11367 | |||||||||
11368 | getTargetStreamer().emitHandlerData(); | ||||||||
11369 | return false; | ||||||||
11370 | } | ||||||||
11371 | |||||||||
11372 | /// parseDirectiveSetFP | ||||||||
11373 | /// ::= .setfp fpreg, spreg [, offset] | ||||||||
11374 | bool ARMAsmParser::parseDirectiveSetFP(SMLoc L) { | ||||||||
11375 | MCAsmParser &Parser = getParser(); | ||||||||
11376 | // Check the ordering of unwind directives | ||||||||
11377 | if (check(!UC.hasFnStart(), L, ".fnstart must precede .setfp directive") || | ||||||||
11378 | check(UC.hasHandlerData(), L, | ||||||||
11379 | ".setfp must precede .handlerdata directive")) | ||||||||
11380 | return true; | ||||||||
11381 | |||||||||
11382 | // Parse fpreg | ||||||||
11383 | SMLoc FPRegLoc = Parser.getTok().getLoc(); | ||||||||
11384 | int FPReg = tryParseRegister(); | ||||||||
11385 | |||||||||
11386 | if (check(FPReg == -1, FPRegLoc, "frame pointer register expected") || | ||||||||
11387 | Parser.parseToken(AsmToken::Comma, "comma expected")) | ||||||||
11388 | return true; | ||||||||
11389 | |||||||||
11390 | // Parse spreg | ||||||||
11391 | SMLoc SPRegLoc = Parser.getTok().getLoc(); | ||||||||
11392 | int SPReg = tryParseRegister(); | ||||||||
11393 | if (check(SPReg == -1, SPRegLoc, "stack pointer register expected") || | ||||||||
11394 | check(SPReg != ARM::SP && SPReg != UC.getFPReg(), SPRegLoc, | ||||||||
11395 | "register should be either $sp or the latest fp register")) | ||||||||
11396 | return true; | ||||||||
11397 | |||||||||
11398 | // Update the frame pointer register | ||||||||
11399 | UC.saveFPReg(FPReg); | ||||||||
11400 | |||||||||
11401 | // Parse offset | ||||||||
11402 | int64_t Offset = 0; | ||||||||
11403 | if (Parser.parseOptionalToken(AsmToken::Comma)) { | ||||||||
11404 | if (Parser.getTok().isNot(AsmToken::Hash) && | ||||||||
11405 | Parser.getTok().isNot(AsmToken::Dollar)) | ||||||||
11406 | return Error(Parser.getTok().getLoc(), "'#' expected"); | ||||||||
11407 | Parser.Lex(); // skip hash token. | ||||||||
11408 | |||||||||
11409 | const MCExpr *OffsetExpr; | ||||||||
11410 | SMLoc ExLoc = Parser.getTok().getLoc(); | ||||||||
11411 | SMLoc EndLoc; | ||||||||
11412 | if (getParser().parseExpression(OffsetExpr, EndLoc)) | ||||||||
11413 | return Error(ExLoc, "malformed setfp offset"); | ||||||||
11414 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(OffsetExpr); | ||||||||
11415 | if (check(!CE, ExLoc, "setfp offset must be an immediate")) | ||||||||
11416 | return true; | ||||||||
11417 | Offset = CE->getValue(); | ||||||||
11418 | } | ||||||||
11419 | |||||||||
11420 | if (Parser.parseToken(AsmToken::EndOfStatement)) | ||||||||
11421 | return true; | ||||||||
11422 | |||||||||
11423 | getTargetStreamer().emitSetFP(static_cast<unsigned>(FPReg), | ||||||||
11424 | static_cast<unsigned>(SPReg), Offset); | ||||||||
11425 | return false; | ||||||||
11426 | } | ||||||||
11427 | |||||||||
11428 | /// parseDirective | ||||||||
11429 | /// ::= .pad offset | ||||||||
11430 | bool ARMAsmParser::parseDirectivePad(SMLoc L) { | ||||||||
11431 | MCAsmParser &Parser = getParser(); | ||||||||
11432 | // Check the ordering of unwind directives | ||||||||
11433 | if (!UC.hasFnStart()) | ||||||||
11434 | return Error(L, ".fnstart must precede .pad directive"); | ||||||||
11435 | if (UC.hasHandlerData()) | ||||||||
11436 | return Error(L, ".pad must precede .handlerdata directive"); | ||||||||
11437 | |||||||||
11438 | // Parse the offset | ||||||||
11439 | if (Parser.getTok().isNot(AsmToken::Hash) && | ||||||||
11440 | Parser.getTok().isNot(AsmToken::Dollar)) | ||||||||
11441 | return Error(Parser.getTok().getLoc(), "'#' expected"); | ||||||||
11442 | Parser.Lex(); // skip hash token. | ||||||||
11443 | |||||||||
11444 | const MCExpr *OffsetExpr; | ||||||||
11445 | SMLoc ExLoc = Parser.getTok().getLoc(); | ||||||||
11446 | SMLoc EndLoc; | ||||||||
11447 | if (getParser().parseExpression(OffsetExpr, EndLoc)) | ||||||||
11448 | return Error(ExLoc, "malformed pad offset"); | ||||||||
11449 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(OffsetExpr); | ||||||||
11450 | if (!CE) | ||||||||
11451 | return Error(ExLoc, "pad offset must be an immediate"); | ||||||||
11452 | |||||||||
11453 | if (parseToken(AsmToken::EndOfStatement, | ||||||||
11454 | "unexpected token in '.pad' directive")) | ||||||||
11455 | return true; | ||||||||
11456 | |||||||||
11457 | getTargetStreamer().emitPad(CE->getValue()); | ||||||||
11458 | return false; | ||||||||
11459 | } | ||||||||
11460 | |||||||||
11461 | /// parseDirectiveRegSave | ||||||||
11462 | /// ::= .save { registers } | ||||||||
11463 | /// ::= .vsave { registers } | ||||||||
11464 | bool ARMAsmParser::parseDirectiveRegSave(SMLoc L, bool IsVector) { | ||||||||
11465 | // Check the ordering of unwind directives | ||||||||
11466 | if (!UC.hasFnStart()) | ||||||||
11467 | return Error(L, ".fnstart must precede .save or .vsave directives"); | ||||||||
11468 | if (UC.hasHandlerData()) | ||||||||
11469 | return Error(L, ".save or .vsave must precede .handlerdata directive"); | ||||||||
11470 | |||||||||
11471 | // RAII object to make sure parsed operands are deleted. | ||||||||
11472 | SmallVector<std::unique_ptr<MCParsedAsmOperand>, 1> Operands; | ||||||||
11473 | |||||||||
11474 | // Parse the register list | ||||||||
11475 | if (parseRegisterList(Operands) || | ||||||||
11476 | parseToken(AsmToken::EndOfStatement, "unexpected token in directive")) | ||||||||
11477 | return true; | ||||||||
11478 | ARMOperand &Op = (ARMOperand &)*Operands[0]; | ||||||||
11479 | if (!IsVector && !Op.isRegList()) | ||||||||
11480 | return Error(L, ".save expects GPR registers"); | ||||||||
11481 | if (IsVector && !Op.isDPRRegList()) | ||||||||
11482 | return Error(L, ".vsave expects DPR registers"); | ||||||||
11483 | |||||||||
11484 | getTargetStreamer().emitRegSave(Op.getRegList(), IsVector); | ||||||||
11485 | return false; | ||||||||
11486 | } | ||||||||
11487 | |||||||||
11488 | /// parseDirectiveInst | ||||||||
11489 | /// ::= .inst opcode [, ...] | ||||||||
11490 | /// ::= .inst.n opcode [, ...] | ||||||||
11491 | /// ::= .inst.w opcode [, ...] | ||||||||
11492 | bool ARMAsmParser::parseDirectiveInst(SMLoc Loc, char Suffix) { | ||||||||
11493 | int Width = 4; | ||||||||
11494 | |||||||||
11495 | if (isThumb()) { | ||||||||
11496 | switch (Suffix) { | ||||||||
11497 | case 'n': | ||||||||
11498 | Width = 2; | ||||||||
11499 | break; | ||||||||
11500 | case 'w': | ||||||||
11501 | break; | ||||||||
11502 | default: | ||||||||
11503 | Width = 0; | ||||||||
11504 | break; | ||||||||
11505 | } | ||||||||
11506 | } else { | ||||||||
11507 | if (Suffix) | ||||||||
11508 | return Error(Loc, "width suffixes are invalid in ARM mode"); | ||||||||
11509 | } | ||||||||
11510 | |||||||||
11511 | auto parseOne = [&]() -> bool { | ||||||||
11512 | const MCExpr *Expr; | ||||||||
11513 | if (getParser().parseExpression(Expr)) | ||||||||
11514 | return true; | ||||||||
11515 | const MCConstantExpr *Value = dyn_cast_or_null<MCConstantExpr>(Expr); | ||||||||
11516 | if (!Value) { | ||||||||
11517 | return Error(Loc, "expected constant expression"); | ||||||||
11518 | } | ||||||||
11519 | |||||||||
11520 | char CurSuffix = Suffix; | ||||||||
11521 | switch (Width) { | ||||||||
11522 | case 2: | ||||||||
11523 | if (Value->getValue() > 0xffff) | ||||||||
11524 | return Error(Loc, "inst.n operand is too big, use inst.w instead"); | ||||||||
11525 | break; | ||||||||
11526 | case 4: | ||||||||
11527 | if (Value->getValue() > 0xffffffff) | ||||||||
11528 | return Error(Loc, StringRef(Suffix ? "inst.w" : "inst") + | ||||||||
11529 | " operand is too big"); | ||||||||
11530 | break; | ||||||||
11531 | case 0: | ||||||||
11532 | // Thumb mode, no width indicated. Guess from the opcode, if possible. | ||||||||
11533 | if (Value->getValue() < 0xe800) | ||||||||
11534 | CurSuffix = 'n'; | ||||||||
11535 | else if (Value->getValue() >= 0xe8000000) | ||||||||
11536 | CurSuffix = 'w'; | ||||||||
11537 | else | ||||||||
11538 | return Error(Loc, "cannot determine Thumb instruction size, " | ||||||||
11539 | "use inst.n/inst.w instead"); | ||||||||
11540 | break; | ||||||||
11541 | default: | ||||||||
11542 | llvm_unreachable("only supported widths are 2 and 4")::llvm::llvm_unreachable_internal("only supported widths are 2 and 4" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 11542); | ||||||||
11543 | } | ||||||||
11544 | |||||||||
11545 | getTargetStreamer().emitInst(Value->getValue(), CurSuffix); | ||||||||
11546 | return false; | ||||||||
11547 | }; | ||||||||
11548 | |||||||||
11549 | if (parseOptionalToken(AsmToken::EndOfStatement)) | ||||||||
11550 | return Error(Loc, "expected expression following directive"); | ||||||||
11551 | if (parseMany(parseOne)) | ||||||||
11552 | return true; | ||||||||
11553 | return false; | ||||||||
11554 | } | ||||||||
11555 | |||||||||
11556 | /// parseDirectiveLtorg | ||||||||
11557 | /// ::= .ltorg | .pool | ||||||||
11558 | bool ARMAsmParser::parseDirectiveLtorg(SMLoc L) { | ||||||||
11559 | if (parseToken(AsmToken::EndOfStatement, "unexpected token in directive")) | ||||||||
11560 | return true; | ||||||||
11561 | getTargetStreamer().emitCurrentConstantPool(); | ||||||||
11562 | return false; | ||||||||
11563 | } | ||||||||
11564 | |||||||||
11565 | bool ARMAsmParser::parseDirectiveEven(SMLoc L) { | ||||||||
11566 | const MCSection *Section = getStreamer().getCurrentSectionOnly(); | ||||||||
11567 | |||||||||
11568 | if (parseToken(AsmToken::EndOfStatement, "unexpected token in directive")) | ||||||||
11569 | return true; | ||||||||
11570 | |||||||||
11571 | if (!Section) { | ||||||||
11572 | getStreamer().InitSections(false); | ||||||||
11573 | Section = getStreamer().getCurrentSectionOnly(); | ||||||||
11574 | } | ||||||||
11575 | |||||||||
11576 | assert(Section && "must have section to emit alignment")((Section && "must have section to emit alignment") ? static_cast<void> (0) : __assert_fail ("Section && \"must have section to emit alignment\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 11576, __PRETTY_FUNCTION__)); | ||||||||
11577 | if (Section->UseCodeAlign()) | ||||||||
11578 | getStreamer().emitCodeAlignment(2); | ||||||||
11579 | else | ||||||||
11580 | getStreamer().emitValueToAlignment(2); | ||||||||
11581 | |||||||||
11582 | return false; | ||||||||
11583 | } | ||||||||
11584 | |||||||||
11585 | /// parseDirectivePersonalityIndex | ||||||||
11586 | /// ::= .personalityindex index | ||||||||
11587 | bool ARMAsmParser::parseDirectivePersonalityIndex(SMLoc L) { | ||||||||
11588 | MCAsmParser &Parser = getParser(); | ||||||||
11589 | bool HasExistingPersonality = UC.hasPersonality(); | ||||||||
11590 | |||||||||
11591 | const MCExpr *IndexExpression; | ||||||||
11592 | SMLoc IndexLoc = Parser.getTok().getLoc(); | ||||||||
11593 | if (Parser.parseExpression(IndexExpression) || | ||||||||
11594 | parseToken(AsmToken::EndOfStatement, | ||||||||
11595 | "unexpected token in '.personalityindex' directive")) { | ||||||||
11596 | return true; | ||||||||
11597 | } | ||||||||
11598 | |||||||||
11599 | UC.recordPersonalityIndex(L); | ||||||||
11600 | |||||||||
11601 | if (!UC.hasFnStart()) { | ||||||||
11602 | return Error(L, ".fnstart must precede .personalityindex directive"); | ||||||||
11603 | } | ||||||||
11604 | if (UC.cantUnwind()) { | ||||||||
11605 | Error(L, ".personalityindex cannot be used with .cantunwind"); | ||||||||
11606 | UC.emitCantUnwindLocNotes(); | ||||||||
11607 | return true; | ||||||||
11608 | } | ||||||||
11609 | if (UC.hasHandlerData()) { | ||||||||
11610 | Error(L, ".personalityindex must precede .handlerdata directive"); | ||||||||
11611 | UC.emitHandlerDataLocNotes(); | ||||||||
11612 | return true; | ||||||||
11613 | } | ||||||||
11614 | if (HasExistingPersonality) { | ||||||||
11615 | Error(L, "multiple personality directives"); | ||||||||
11616 | UC.emitPersonalityLocNotes(); | ||||||||
11617 | return true; | ||||||||
11618 | } | ||||||||
11619 | |||||||||
11620 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(IndexExpression); | ||||||||
11621 | if (!CE) | ||||||||
11622 | return Error(IndexLoc, "index must be a constant number"); | ||||||||
11623 | if (CE->getValue() < 0 || CE->getValue() >= ARM::EHABI::NUM_PERSONALITY_INDEX) | ||||||||
11624 | return Error(IndexLoc, | ||||||||
11625 | "personality routine index should be in range [0-3]"); | ||||||||
11626 | |||||||||
11627 | getTargetStreamer().emitPersonalityIndex(CE->getValue()); | ||||||||
11628 | return false; | ||||||||
11629 | } | ||||||||
11630 | |||||||||
11631 | /// parseDirectiveUnwindRaw | ||||||||
11632 | /// ::= .unwind_raw offset, opcode [, opcode...] | ||||||||
11633 | bool ARMAsmParser::parseDirectiveUnwindRaw(SMLoc L) { | ||||||||
11634 | MCAsmParser &Parser = getParser(); | ||||||||
11635 | int64_t StackOffset; | ||||||||
11636 | const MCExpr *OffsetExpr; | ||||||||
11637 | SMLoc OffsetLoc = getLexer().getLoc(); | ||||||||
11638 | |||||||||
11639 | if (!UC.hasFnStart()) | ||||||||
11640 | return Error(L, ".fnstart must precede .unwind_raw directives"); | ||||||||
11641 | if (getParser().parseExpression(OffsetExpr)) | ||||||||
11642 | return Error(OffsetLoc, "expected expression"); | ||||||||
11643 | |||||||||
11644 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(OffsetExpr); | ||||||||
11645 | if (!CE) | ||||||||
11646 | return Error(OffsetLoc, "offset must be a constant"); | ||||||||
11647 | |||||||||
11648 | StackOffset = CE->getValue(); | ||||||||
11649 | |||||||||
11650 | if (Parser.parseToken(AsmToken::Comma, "expected comma")) | ||||||||
11651 | return true; | ||||||||
11652 | |||||||||
11653 | SmallVector<uint8_t, 16> Opcodes; | ||||||||
11654 | |||||||||
11655 | auto parseOne = [&]() -> bool { | ||||||||
11656 | const MCExpr *OE = nullptr; | ||||||||
11657 | SMLoc OpcodeLoc = getLexer().getLoc(); | ||||||||
11658 | if (check(getLexer().is(AsmToken::EndOfStatement) || | ||||||||
11659 | Parser.parseExpression(OE), | ||||||||
11660 | OpcodeLoc, "expected opcode expression")) | ||||||||
11661 | return true; | ||||||||
11662 | const MCConstantExpr *OC = dyn_cast<MCConstantExpr>(OE); | ||||||||
11663 | if (!OC) | ||||||||
11664 | return Error(OpcodeLoc, "opcode value must be a constant"); | ||||||||
11665 | const int64_t Opcode = OC->getValue(); | ||||||||
11666 | if (Opcode & ~0xff) | ||||||||
11667 | return Error(OpcodeLoc, "invalid opcode"); | ||||||||
11668 | Opcodes.push_back(uint8_t(Opcode)); | ||||||||
11669 | return false; | ||||||||
11670 | }; | ||||||||
11671 | |||||||||
11672 | // Must have at least 1 element | ||||||||
11673 | SMLoc OpcodeLoc = getLexer().getLoc(); | ||||||||
11674 | if (parseOptionalToken(AsmToken::EndOfStatement)) | ||||||||
11675 | return Error(OpcodeLoc, "expected opcode expression"); | ||||||||
11676 | if (parseMany(parseOne)) | ||||||||
11677 | return true; | ||||||||
11678 | |||||||||
11679 | getTargetStreamer().emitUnwindRaw(StackOffset, Opcodes); | ||||||||
11680 | return false; | ||||||||
11681 | } | ||||||||
11682 | |||||||||
11683 | /// parseDirectiveTLSDescSeq | ||||||||
11684 | /// ::= .tlsdescseq tls-variable | ||||||||
11685 | bool ARMAsmParser::parseDirectiveTLSDescSeq(SMLoc L) { | ||||||||
11686 | MCAsmParser &Parser = getParser(); | ||||||||
11687 | |||||||||
11688 | if (getLexer().isNot(AsmToken::Identifier)) | ||||||||
11689 | return TokError("expected variable after '.tlsdescseq' directive"); | ||||||||
11690 | |||||||||
11691 | const MCSymbolRefExpr *SRE = | ||||||||
11692 | MCSymbolRefExpr::create(Parser.getTok().getIdentifier(), | ||||||||
11693 | MCSymbolRefExpr::VK_ARM_TLSDESCSEQ, getContext()); | ||||||||
11694 | Lex(); | ||||||||
11695 | |||||||||
11696 | if (parseToken(AsmToken::EndOfStatement, | ||||||||
11697 | "unexpected token in '.tlsdescseq' directive")) | ||||||||
11698 | return true; | ||||||||
11699 | |||||||||
11700 | getTargetStreamer().AnnotateTLSDescriptorSequence(SRE); | ||||||||
11701 | return false; | ||||||||
11702 | } | ||||||||
11703 | |||||||||
11704 | /// parseDirectiveMovSP | ||||||||
11705 | /// ::= .movsp reg [, #offset] | ||||||||
11706 | bool ARMAsmParser::parseDirectiveMovSP(SMLoc L) { | ||||||||
11707 | MCAsmParser &Parser = getParser(); | ||||||||
11708 | if (!UC.hasFnStart()) | ||||||||
11709 | return Error(L, ".fnstart must precede .movsp directives"); | ||||||||
11710 | if (UC.getFPReg() != ARM::SP) | ||||||||
11711 | return Error(L, "unexpected .movsp directive"); | ||||||||
11712 | |||||||||
11713 | SMLoc SPRegLoc = Parser.getTok().getLoc(); | ||||||||
11714 | int SPReg = tryParseRegister(); | ||||||||
11715 | if (SPReg == -1) | ||||||||
11716 | return Error(SPRegLoc, "register expected"); | ||||||||
11717 | if (SPReg == ARM::SP || SPReg == ARM::PC) | ||||||||
11718 | return Error(SPRegLoc, "sp and pc are not permitted in .movsp directive"); | ||||||||
11719 | |||||||||
11720 | int64_t Offset = 0; | ||||||||
11721 | if (Parser.parseOptionalToken(AsmToken::Comma)) { | ||||||||
11722 | if (Parser.parseToken(AsmToken::Hash, "expected #constant")) | ||||||||
11723 | return true; | ||||||||
11724 | |||||||||
11725 | const MCExpr *OffsetExpr; | ||||||||
11726 | SMLoc OffsetLoc = Parser.getTok().getLoc(); | ||||||||
11727 | |||||||||
11728 | if (Parser.parseExpression(OffsetExpr)) | ||||||||
11729 | return Error(OffsetLoc, "malformed offset expression"); | ||||||||
11730 | |||||||||
11731 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(OffsetExpr); | ||||||||
11732 | if (!CE) | ||||||||
11733 | return Error(OffsetLoc, "offset must be an immediate constant"); | ||||||||
11734 | |||||||||
11735 | Offset = CE->getValue(); | ||||||||
11736 | } | ||||||||
11737 | |||||||||
11738 | if (parseToken(AsmToken::EndOfStatement, | ||||||||
11739 | "unexpected token in '.movsp' directive")) | ||||||||
11740 | return true; | ||||||||
11741 | |||||||||
11742 | getTargetStreamer().emitMovSP(SPReg, Offset); | ||||||||
11743 | UC.saveFPReg(SPReg); | ||||||||
11744 | |||||||||
11745 | return false; | ||||||||
11746 | } | ||||||||
11747 | |||||||||
11748 | /// parseDirectiveObjectArch | ||||||||
11749 | /// ::= .object_arch name | ||||||||
11750 | bool ARMAsmParser::parseDirectiveObjectArch(SMLoc L) { | ||||||||
11751 | MCAsmParser &Parser = getParser(); | ||||||||
11752 | if (getLexer().isNot(AsmToken::Identifier)) | ||||||||
11753 | return Error(getLexer().getLoc(), "unexpected token"); | ||||||||
11754 | |||||||||
11755 | StringRef Arch = Parser.getTok().getString(); | ||||||||
11756 | SMLoc ArchLoc = Parser.getTok().getLoc(); | ||||||||
11757 | Lex(); | ||||||||
11758 | |||||||||
11759 | ARM::ArchKind ID = ARM::parseArch(Arch); | ||||||||
11760 | |||||||||
11761 | if (ID == ARM::ArchKind::INVALID) | ||||||||
11762 | return Error(ArchLoc, "unknown architecture '" + Arch + "'"); | ||||||||
11763 | if (parseToken(AsmToken::EndOfStatement)) | ||||||||
11764 | return true; | ||||||||
11765 | |||||||||
11766 | getTargetStreamer().emitObjectArch(ID); | ||||||||
11767 | return false; | ||||||||
11768 | } | ||||||||
11769 | |||||||||
11770 | /// parseDirectiveAlign | ||||||||
11771 | /// ::= .align | ||||||||
11772 | bool ARMAsmParser::parseDirectiveAlign(SMLoc L) { | ||||||||
11773 | // NOTE: if this is not the end of the statement, fall back to the target | ||||||||
11774 | // agnostic handling for this directive which will correctly handle this. | ||||||||
11775 | if (parseOptionalToken(AsmToken::EndOfStatement)) { | ||||||||
11776 | // '.align' is target specifically handled to mean 2**2 byte alignment. | ||||||||
11777 | const MCSection *Section = getStreamer().getCurrentSectionOnly(); | ||||||||
11778 | assert(Section && "must have section to emit alignment")((Section && "must have section to emit alignment") ? static_cast<void> (0) : __assert_fail ("Section && \"must have section to emit alignment\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 11778, __PRETTY_FUNCTION__)); | ||||||||
11779 | if (Section->UseCodeAlign()) | ||||||||
11780 | getStreamer().emitCodeAlignment(4, 0); | ||||||||
11781 | else | ||||||||
11782 | getStreamer().emitValueToAlignment(4, 0, 1, 0); | ||||||||
11783 | return false; | ||||||||
11784 | } | ||||||||
11785 | return true; | ||||||||
11786 | } | ||||||||
11787 | |||||||||
11788 | /// parseDirectiveThumbSet | ||||||||
11789 | /// ::= .thumb_set name, value | ||||||||
11790 | bool ARMAsmParser::parseDirectiveThumbSet(SMLoc L) { | ||||||||
11791 | MCAsmParser &Parser = getParser(); | ||||||||
11792 | |||||||||
11793 | StringRef Name; | ||||||||
11794 | if (check(Parser.parseIdentifier(Name), | ||||||||
11795 | "expected identifier after '.thumb_set'") || | ||||||||
11796 | parseToken(AsmToken::Comma, "expected comma after name '" + Name + "'")) | ||||||||
11797 | return true; | ||||||||
11798 | |||||||||
11799 | MCSymbol *Sym; | ||||||||
11800 | const MCExpr *Value; | ||||||||
11801 | if (MCParserUtils::parseAssignmentExpression(Name, /* allow_redef */ true, | ||||||||
11802 | Parser, Sym, Value)) | ||||||||
11803 | return true; | ||||||||
11804 | |||||||||
11805 | getTargetStreamer().emitThumbSet(Sym, Value); | ||||||||
11806 | return false; | ||||||||
11807 | } | ||||||||
11808 | |||||||||
11809 | /// Force static initialization. | ||||||||
11810 | extern "C" LLVM_EXTERNAL_VISIBILITY__attribute__ ((visibility("default"))) void LLVMInitializeARMAsmParser() { | ||||||||
11811 | RegisterMCAsmParser<ARMAsmParser> X(getTheARMLETarget()); | ||||||||
11812 | RegisterMCAsmParser<ARMAsmParser> Y(getTheARMBETarget()); | ||||||||
11813 | RegisterMCAsmParser<ARMAsmParser> A(getTheThumbLETarget()); | ||||||||
11814 | RegisterMCAsmParser<ARMAsmParser> B(getTheThumbBETarget()); | ||||||||
11815 | } | ||||||||
11816 | |||||||||
11817 | #define GET_REGISTER_MATCHER | ||||||||
11818 | #define GET_SUBTARGET_FEATURE_NAME | ||||||||
11819 | #define GET_MATCHER_IMPLEMENTATION | ||||||||
11820 | #define GET_MNEMONIC_SPELL_CHECKER | ||||||||
11821 | #include "ARMGenAsmMatcher.inc" | ||||||||
11822 | |||||||||
11823 | // Some diagnostics need to vary with subtarget features, so they are handled | ||||||||
11824 | // here. For example, the DPR class has either 16 or 32 registers, depending | ||||||||
11825 | // on the FPU available. | ||||||||
11826 | const char * | ||||||||
11827 | ARMAsmParser::getCustomOperandDiag(ARMMatchResultTy MatchError) { | ||||||||
11828 | switch (MatchError) { | ||||||||
11829 | // rGPR contains sp starting with ARMv8. | ||||||||
11830 | case Match_rGPR: | ||||||||
11831 | return hasV8Ops() ? "operand must be a register in range [r0, r14]" | ||||||||
11832 | : "operand must be a register in range [r0, r12] or r14"; | ||||||||
11833 | // DPR contains 16 registers for some FPUs, and 32 for others. | ||||||||
11834 | case Match_DPR: | ||||||||
11835 | return hasD32() ? "operand must be a register in range [d0, d31]" | ||||||||
11836 | : "operand must be a register in range [d0, d15]"; | ||||||||
11837 | case Match_DPR_RegList: | ||||||||
11838 | return hasD32() ? "operand must be a list of registers in range [d0, d31]" | ||||||||
11839 | : "operand must be a list of registers in range [d0, d15]"; | ||||||||
11840 | |||||||||
11841 | // For all other diags, use the static string from tablegen. | ||||||||
11842 | default: | ||||||||
11843 | return getMatchKindDiag(MatchError); | ||||||||
11844 | } | ||||||||
11845 | } | ||||||||
11846 | |||||||||
11847 | // Process the list of near-misses, throwing away ones we don't want to report | ||||||||
11848 | // to the user, and converting the rest to a source location and string that | ||||||||
11849 | // should be reported. | ||||||||
11850 | void | ||||||||
11851 | ARMAsmParser::FilterNearMisses(SmallVectorImpl<NearMissInfo> &NearMissesIn, | ||||||||
11852 | SmallVectorImpl<NearMissMessage> &NearMissesOut, | ||||||||
11853 | SMLoc IDLoc, OperandVector &Operands) { | ||||||||
11854 | // TODO: If operand didn't match, sub in a dummy one and run target | ||||||||
11855 | // predicate, so that we can avoid reporting near-misses that are invalid? | ||||||||
11856 | // TODO: Many operand types dont have SuperClasses set, so we report | ||||||||
11857 | // redundant ones. | ||||||||
11858 | // TODO: Some operands are superclasses of registers (e.g. | ||||||||
11859 | // MCK_RegShiftedImm), we don't have any way to represent that currently. | ||||||||
11860 | // TODO: This is not all ARM-specific, can some of it be factored out? | ||||||||
11861 | |||||||||
11862 | // Record some information about near-misses that we have already seen, so | ||||||||
11863 | // that we can avoid reporting redundant ones. For example, if there are | ||||||||
11864 | // variants of an instruction that take 8- and 16-bit immediates, we want | ||||||||
11865 | // to only report the widest one. | ||||||||
11866 | std::multimap<unsigned, unsigned> OperandMissesSeen; | ||||||||
11867 | SmallSet<FeatureBitset, 4> FeatureMissesSeen; | ||||||||
11868 | bool ReportedTooFewOperands = false; | ||||||||
11869 | |||||||||
11870 | // Process the near-misses in reverse order, so that we see more general ones | ||||||||
11871 | // first, and so can avoid emitting more specific ones. | ||||||||
11872 | for (NearMissInfo &I : reverse(NearMissesIn)) { | ||||||||
11873 | switch (I.getKind()) { | ||||||||
11874 | case NearMissInfo::NearMissOperand: { | ||||||||
11875 | SMLoc OperandLoc = | ||||||||
11876 | ((ARMOperand &)*Operands[I.getOperandIndex()]).getStartLoc(); | ||||||||
11877 | const char *OperandDiag = | ||||||||
11878 | getCustomOperandDiag((ARMMatchResultTy)I.getOperandError()); | ||||||||
11879 | |||||||||
11880 | // If we have already emitted a message for a superclass, don't also report | ||||||||
11881 | // the sub-class. We consider all operand classes that we don't have a | ||||||||
11882 | // specialised diagnostic for to be equal for the propose of this check, | ||||||||
11883 | // so that we don't report the generic error multiple times on the same | ||||||||
11884 | // operand. | ||||||||
11885 | unsigned DupCheckMatchClass = OperandDiag ? I.getOperandClass() : ~0U; | ||||||||
11886 | auto PrevReports = OperandMissesSeen.equal_range(I.getOperandIndex()); | ||||||||
11887 | if (std::any_of(PrevReports.first, PrevReports.second, | ||||||||
11888 | [DupCheckMatchClass]( | ||||||||
11889 | const std::pair<unsigned, unsigned> Pair) { | ||||||||
11890 | if (DupCheckMatchClass == ~0U || Pair.second == ~0U) | ||||||||
11891 | return Pair.second == DupCheckMatchClass; | ||||||||
11892 | else | ||||||||
11893 | return isSubclass((MatchClassKind)DupCheckMatchClass, | ||||||||
11894 | (MatchClassKind)Pair.second); | ||||||||
11895 | })) | ||||||||
11896 | break; | ||||||||
11897 | OperandMissesSeen.insert( | ||||||||
11898 | std::make_pair(I.getOperandIndex(), DupCheckMatchClass)); | ||||||||
11899 | |||||||||
11900 | NearMissMessage Message; | ||||||||
11901 | Message.Loc = OperandLoc; | ||||||||
11902 | if (OperandDiag) { | ||||||||
11903 | Message.Message = OperandDiag; | ||||||||
11904 | } else if (I.getOperandClass() == InvalidMatchClass) { | ||||||||
11905 | Message.Message = "too many operands for instruction"; | ||||||||
11906 | } else { | ||||||||
11907 | Message.Message = "invalid operand for instruction"; | ||||||||
11908 | LLVM_DEBUG(do { if (::llvm::DebugFlag && ::llvm::isCurrentDebugType ("asm-parser")) { dbgs() << "Missing diagnostic string for operand class " << getMatchClassName((MatchClassKind)I.getOperandClass ()) << I.getOperandClass() << ", error " << I.getOperandError() << ", opcode " << MII.getName (I.getOpcode()) << "\n"; } } while (false) | ||||||||
11909 | dbgs() << "Missing diagnostic string for operand class "do { if (::llvm::DebugFlag && ::llvm::isCurrentDebugType ("asm-parser")) { dbgs() << "Missing diagnostic string for operand class " << getMatchClassName((MatchClassKind)I.getOperandClass ()) << I.getOperandClass() << ", error " << I.getOperandError() << ", opcode " << MII.getName (I.getOpcode()) << "\n"; } } while (false) | ||||||||
11910 | << getMatchClassName((MatchClassKind)I.getOperandClass())do { if (::llvm::DebugFlag && ::llvm::isCurrentDebugType ("asm-parser")) { dbgs() << "Missing diagnostic string for operand class " << getMatchClassName((MatchClassKind)I.getOperandClass ()) << I.getOperandClass() << ", error " << I.getOperandError() << ", opcode " << MII.getName (I.getOpcode()) << "\n"; } } while (false) | ||||||||
11911 | << I.getOperandClass() << ", error " << I.getOperandError()do { if (::llvm::DebugFlag && ::llvm::isCurrentDebugType ("asm-parser")) { dbgs() << "Missing diagnostic string for operand class " << getMatchClassName((MatchClassKind)I.getOperandClass ()) << I.getOperandClass() << ", error " << I.getOperandError() << ", opcode " << MII.getName (I.getOpcode()) << "\n"; } } while (false) | ||||||||
11912 | << ", opcode " << MII.getName(I.getOpcode()) << "\n")do { if (::llvm::DebugFlag && ::llvm::isCurrentDebugType ("asm-parser")) { dbgs() << "Missing diagnostic string for operand class " << getMatchClassName((MatchClassKind)I.getOperandClass ()) << I.getOperandClass() << ", error " << I.getOperandError() << ", opcode " << MII.getName (I.getOpcode()) << "\n"; } } while (false); | ||||||||
11913 | } | ||||||||
11914 | NearMissesOut.emplace_back(Message); | ||||||||
11915 | break; | ||||||||
11916 | } | ||||||||
11917 | case NearMissInfo::NearMissFeature: { | ||||||||
11918 | const FeatureBitset &MissingFeatures = I.getFeatures(); | ||||||||
11919 | // Don't report the same set of features twice. | ||||||||
11920 | if (FeatureMissesSeen.count(MissingFeatures)) | ||||||||
11921 | break; | ||||||||
11922 | FeatureMissesSeen.insert(MissingFeatures); | ||||||||
11923 | |||||||||
11924 | // Special case: don't report a feature set which includes arm-mode for | ||||||||
11925 | // targets that don't have ARM mode. | ||||||||
11926 | if (MissingFeatures.test(Feature_IsARMBit) && !hasARM()) | ||||||||
11927 | break; | ||||||||
11928 | // Don't report any near-misses that both require switching instruction | ||||||||
11929 | // set, and adding other subtarget features. | ||||||||
11930 | if (isThumb() && MissingFeatures.test(Feature_IsARMBit) && | ||||||||
11931 | MissingFeatures.count() > 1) | ||||||||
11932 | break; | ||||||||
11933 | if (!isThumb() && MissingFeatures.test(Feature_IsThumbBit) && | ||||||||
11934 | MissingFeatures.count() > 1) | ||||||||
11935 | break; | ||||||||
11936 | if (!isThumb() && MissingFeatures.test(Feature_IsThumb2Bit) && | ||||||||
11937 | (MissingFeatures & ~FeatureBitset({Feature_IsThumb2Bit, | ||||||||
11938 | Feature_IsThumbBit})).any()) | ||||||||
11939 | break; | ||||||||
11940 | if (isMClass() && MissingFeatures.test(Feature_HasNEONBit)) | ||||||||
11941 | break; | ||||||||
11942 | |||||||||
11943 | NearMissMessage Message; | ||||||||
11944 | Message.Loc = IDLoc; | ||||||||
11945 | raw_svector_ostream OS(Message.Message); | ||||||||
11946 | |||||||||
11947 | OS << "instruction requires:"; | ||||||||
11948 | for (unsigned i = 0, e = MissingFeatures.size(); i != e; ++i) | ||||||||
11949 | if (MissingFeatures.test(i)) | ||||||||
11950 | OS << ' ' << getSubtargetFeatureName(i); | ||||||||
11951 | |||||||||
11952 | NearMissesOut.emplace_back(Message); | ||||||||
11953 | |||||||||
11954 | break; | ||||||||
11955 | } | ||||||||
11956 | case NearMissInfo::NearMissPredicate: { | ||||||||
11957 | NearMissMessage Message; | ||||||||
11958 | Message.Loc = IDLoc; | ||||||||
11959 | switch (I.getPredicateError()) { | ||||||||
11960 | case Match_RequiresNotITBlock: | ||||||||
11961 | Message.Message = "flag setting instruction only valid outside IT block"; | ||||||||
11962 | break; | ||||||||
11963 | case Match_RequiresITBlock: | ||||||||
11964 | Message.Message = "instruction only valid inside IT block"; | ||||||||
11965 | break; | ||||||||
11966 | case Match_RequiresV6: | ||||||||
11967 | Message.Message = "instruction variant requires ARMv6 or later"; | ||||||||
11968 | break; | ||||||||
11969 | case Match_RequiresThumb2: | ||||||||
11970 | Message.Message = "instruction variant requires Thumb2"; | ||||||||
11971 | break; | ||||||||
11972 | case Match_RequiresV8: | ||||||||
11973 | Message.Message = "instruction variant requires ARMv8 or later"; | ||||||||
11974 | break; | ||||||||
11975 | case Match_RequiresFlagSetting: | ||||||||
11976 | Message.Message = "no flag-preserving variant of this instruction available"; | ||||||||
11977 | break; | ||||||||
11978 | case Match_InvalidOperand: | ||||||||
11979 | Message.Message = "invalid operand for instruction"; | ||||||||
11980 | break; | ||||||||
11981 | default: | ||||||||
11982 | llvm_unreachable("Unhandled target predicate error")::llvm::llvm_unreachable_internal("Unhandled target predicate error" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 11982); | ||||||||
11983 | break; | ||||||||
11984 | } | ||||||||
11985 | NearMissesOut.emplace_back(Message); | ||||||||
11986 | break; | ||||||||
11987 | } | ||||||||
11988 | case NearMissInfo::NearMissTooFewOperands: { | ||||||||
11989 | if (!ReportedTooFewOperands) { | ||||||||
11990 | SMLoc EndLoc = ((ARMOperand &)*Operands.back()).getEndLoc(); | ||||||||
11991 | NearMissesOut.emplace_back(NearMissMessage{ | ||||||||
11992 | EndLoc, StringRef("too few operands for instruction")}); | ||||||||
11993 | ReportedTooFewOperands = true; | ||||||||
11994 | } | ||||||||
11995 | break; | ||||||||
11996 | } | ||||||||
11997 | case NearMissInfo::NoNearMiss: | ||||||||
11998 | // This should never leave the matcher. | ||||||||
11999 | llvm_unreachable("not a near-miss")::llvm::llvm_unreachable_internal("not a near-miss", "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 11999); | ||||||||
12000 | break; | ||||||||
12001 | } | ||||||||
12002 | } | ||||||||
12003 | } | ||||||||
12004 | |||||||||
12005 | void ARMAsmParser::ReportNearMisses(SmallVectorImpl<NearMissInfo> &NearMisses, | ||||||||
12006 | SMLoc IDLoc, OperandVector &Operands) { | ||||||||
12007 | SmallVector<NearMissMessage, 4> Messages; | ||||||||
12008 | FilterNearMisses(NearMisses, Messages, IDLoc, Operands); | ||||||||
12009 | |||||||||
12010 | if (Messages.size() == 0) { | ||||||||
12011 | // No near-misses were found, so the best we can do is "invalid | ||||||||
12012 | // instruction". | ||||||||
12013 | Error(IDLoc, "invalid instruction"); | ||||||||
12014 | } else if (Messages.size() == 1) { | ||||||||
12015 | // One near miss was found, report it as the sole error. | ||||||||
12016 | Error(Messages[0].Loc, Messages[0].Message); | ||||||||
12017 | } else { | ||||||||
12018 | // More than one near miss, so report a generic "invalid instruction" | ||||||||
12019 | // error, followed by notes for each of the near-misses. | ||||||||
12020 | Error(IDLoc, "invalid instruction, any one of the following would fix this:"); | ||||||||
12021 | for (auto &M : Messages) { | ||||||||
12022 | Note(M.Loc, M.Message); | ||||||||
12023 | } | ||||||||
12024 | } | ||||||||
12025 | } | ||||||||
12026 | |||||||||
12027 | /// parseDirectiveArchExtension | ||||||||
12028 | /// ::= .arch_extension [no]feature | ||||||||
12029 | bool ARMAsmParser::parseDirectiveArchExtension(SMLoc L) { | ||||||||
12030 | // FIXME: This structure should be moved inside ARMTargetParser | ||||||||
12031 | // when we start to table-generate them, and we can use the ARM | ||||||||
12032 | // flags below, that were generated by table-gen. | ||||||||
12033 | static const struct { | ||||||||
12034 | const uint64_t Kind; | ||||||||
12035 | const FeatureBitset ArchCheck; | ||||||||
12036 | const FeatureBitset Features; | ||||||||
12037 | } Extensions[] = { | ||||||||
12038 | { ARM::AEK_CRC, {Feature_HasV8Bit}, {ARM::FeatureCRC} }, | ||||||||
12039 | { ARM::AEK_CRYPTO, {Feature_HasV8Bit}, | ||||||||
12040 | {ARM::FeatureCrypto, ARM::FeatureNEON, ARM::FeatureFPARMv8} }, | ||||||||
12041 | { ARM::AEK_FP, {Feature_HasV8Bit}, | ||||||||
12042 | {ARM::FeatureVFP2_SP, ARM::FeatureFPARMv8} }, | ||||||||
12043 | { (ARM::AEK_HWDIVTHUMB | ARM::AEK_HWDIVARM), | ||||||||
12044 | {Feature_HasV7Bit, Feature_IsNotMClassBit}, | ||||||||
12045 | {ARM::FeatureHWDivThumb, ARM::FeatureHWDivARM} }, | ||||||||
12046 | { ARM::AEK_MP, {Feature_HasV7Bit, Feature_IsNotMClassBit}, | ||||||||
12047 | {ARM::FeatureMP} }, | ||||||||
12048 | { ARM::AEK_SIMD, {Feature_HasV8Bit}, | ||||||||
12049 | {ARM::FeatureNEON, ARM::FeatureVFP2_SP, ARM::FeatureFPARMv8} }, | ||||||||
12050 | { ARM::AEK_SEC, {Feature_HasV6KBit}, {ARM::FeatureTrustZone} }, | ||||||||
12051 | // FIXME: Only available in A-class, isel not predicated | ||||||||
12052 | { ARM::AEK_VIRT, {Feature_HasV7Bit}, {ARM::FeatureVirtualization} }, | ||||||||
12053 | { ARM::AEK_FP16, {Feature_HasV8_2aBit}, | ||||||||
12054 | {ARM::FeatureFPARMv8, ARM::FeatureFullFP16} }, | ||||||||
12055 | { ARM::AEK_RAS, {Feature_HasV8Bit}, {ARM::FeatureRAS} }, | ||||||||
12056 | { ARM::AEK_LOB, {Feature_HasV8_1MMainlineBit}, {ARM::FeatureLOB} }, | ||||||||
12057 | // FIXME: Unsupported extensions. | ||||||||
12058 | { ARM::AEK_OS, {}, {} }, | ||||||||
12059 | { ARM::AEK_IWMMXT, {}, {} }, | ||||||||
12060 | { ARM::AEK_IWMMXT2, {}, {} }, | ||||||||
12061 | { ARM::AEK_MAVERICK, {}, {} }, | ||||||||
12062 | { ARM::AEK_XSCALE, {}, {} }, | ||||||||
12063 | }; | ||||||||
12064 | |||||||||
12065 | MCAsmParser &Parser = getParser(); | ||||||||
12066 | |||||||||
12067 | if (getLexer().isNot(AsmToken::Identifier)) | ||||||||
12068 | return Error(getLexer().getLoc(), "expected architecture extension name"); | ||||||||
12069 | |||||||||
12070 | StringRef Name = Parser.getTok().getString(); | ||||||||
12071 | SMLoc ExtLoc = Parser.getTok().getLoc(); | ||||||||
12072 | Lex(); | ||||||||
12073 | |||||||||
12074 | if (parseToken(AsmToken::EndOfStatement, | ||||||||
12075 | "unexpected token in '.arch_extension' directive")) | ||||||||
12076 | return true; | ||||||||
12077 | |||||||||
12078 | bool EnableFeature = true; | ||||||||
12079 | if (Name.startswith_lower("no")) { | ||||||||
12080 | EnableFeature = false; | ||||||||
12081 | Name = Name.substr(2); | ||||||||
12082 | } | ||||||||
12083 | uint64_t FeatureKind = ARM::parseArchExt(Name); | ||||||||
12084 | if (FeatureKind == ARM::AEK_INVALID) | ||||||||
12085 | return Error(ExtLoc, "unknown architectural extension: " + Name); | ||||||||
12086 | |||||||||
12087 | for (const auto &Extension : Extensions) { | ||||||||
12088 | if (Extension.Kind != FeatureKind) | ||||||||
12089 | continue; | ||||||||
12090 | |||||||||
12091 | if (Extension.Features.none()) | ||||||||
12092 | return Error(ExtLoc, "unsupported architectural extension: " + Name); | ||||||||
12093 | |||||||||
12094 | if ((getAvailableFeatures() & Extension.ArchCheck) != Extension.ArchCheck) | ||||||||
12095 | return Error(ExtLoc, "architectural extension '" + Name + | ||||||||
12096 | "' is not " | ||||||||
12097 | "allowed for the current base architecture"); | ||||||||
12098 | |||||||||
12099 | MCSubtargetInfo &STI = copySTI(); | ||||||||
12100 | if (EnableFeature) { | ||||||||
12101 | STI.SetFeatureBitsTransitively(Extension.Features); | ||||||||
12102 | } else { | ||||||||
12103 | STI.ClearFeatureBitsTransitively(Extension.Features); | ||||||||
12104 | } | ||||||||
12105 | FeatureBitset Features = ComputeAvailableFeatures(STI.getFeatureBits()); | ||||||||
12106 | setAvailableFeatures(Features); | ||||||||
12107 | return false; | ||||||||
12108 | } | ||||||||
12109 | |||||||||
12110 | return Error(ExtLoc, "unknown architectural extension: " + Name); | ||||||||
12111 | } | ||||||||
12112 | |||||||||
12113 | // Define this matcher function after the auto-generated include so we | ||||||||
12114 | // have the match class enum definitions. | ||||||||
12115 | unsigned ARMAsmParser::validateTargetOperandClass(MCParsedAsmOperand &AsmOp, | ||||||||
12116 | unsigned Kind) { | ||||||||
12117 | ARMOperand &Op = static_cast<ARMOperand &>(AsmOp); | ||||||||
12118 | // If the kind is a token for a literal immediate, check if our asm | ||||||||
12119 | // operand matches. This is for InstAliases which have a fixed-value | ||||||||
12120 | // immediate in the syntax. | ||||||||
12121 | switch (Kind) { | ||||||||
12122 | default: break; | ||||||||
12123 | case MCK__HASH_0: | ||||||||
12124 | if (Op.isImm()) | ||||||||
12125 | if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Op.getImm())) | ||||||||
12126 | if (CE->getValue() == 0) | ||||||||
12127 | return Match_Success; | ||||||||
12128 | break; | ||||||||
12129 | case MCK__HASH_8: | ||||||||
12130 | if (Op.isImm()) | ||||||||
12131 | if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Op.getImm())) | ||||||||
12132 | if (CE->getValue() == 8) | ||||||||
12133 | return Match_Success; | ||||||||
12134 | break; | ||||||||
12135 | case MCK__HASH_16: | ||||||||
12136 | if (Op.isImm()) | ||||||||
12137 | if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Op.getImm())) | ||||||||
12138 | if (CE->getValue() == 16) | ||||||||
12139 | return Match_Success; | ||||||||
12140 | break; | ||||||||
12141 | case MCK_ModImm: | ||||||||
12142 | if (Op.isImm()) { | ||||||||
12143 | const MCExpr *SOExpr = Op.getImm(); | ||||||||
12144 | int64_t Value; | ||||||||
12145 | if (!SOExpr->evaluateAsAbsolute(Value)) | ||||||||
12146 | return Match_Success; | ||||||||
12147 | assert((Value >= std::numeric_limits<int32_t>::min() &&(((Value >= std::numeric_limits<int32_t>::min() && Value <= std::numeric_limits<uint32_t>::max()) && "expression value must be representable in 32 bits") ? static_cast <void> (0) : __assert_fail ("(Value >= std::numeric_limits<int32_t>::min() && Value <= std::numeric_limits<uint32_t>::max()) && \"expression value must be representable in 32 bits\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 12149, __PRETTY_FUNCTION__)) | ||||||||
12148 | Value <= std::numeric_limits<uint32_t>::max()) &&(((Value >= std::numeric_limits<int32_t>::min() && Value <= std::numeric_limits<uint32_t>::max()) && "expression value must be representable in 32 bits") ? static_cast <void> (0) : __assert_fail ("(Value >= std::numeric_limits<int32_t>::min() && Value <= std::numeric_limits<uint32_t>::max()) && \"expression value must be representable in 32 bits\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 12149, __PRETTY_FUNCTION__)) | ||||||||
12149 | "expression value must be representable in 32 bits")(((Value >= std::numeric_limits<int32_t>::min() && Value <= std::numeric_limits<uint32_t>::max()) && "expression value must be representable in 32 bits") ? static_cast <void> (0) : __assert_fail ("(Value >= std::numeric_limits<int32_t>::min() && Value <= std::numeric_limits<uint32_t>::max()) && \"expression value must be representable in 32 bits\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp" , 12149, __PRETTY_FUNCTION__)); | ||||||||
12150 | } | ||||||||
12151 | break; | ||||||||
12152 | case MCK_rGPR: | ||||||||
12153 | if (hasV8Ops() && Op.isReg() && Op.getReg() == ARM::SP) | ||||||||
12154 | return Match_Success; | ||||||||
12155 | return Match_rGPR; | ||||||||
12156 | case MCK_GPRPair: | ||||||||
12157 | if (Op.isReg() && | ||||||||
12158 | MRI->getRegClass(ARM::GPRRegClassID).contains(Op.getReg())) | ||||||||
12159 | return Match_Success; | ||||||||
12160 | break; | ||||||||
12161 | } | ||||||||
12162 | return Match_InvalidOperand; | ||||||||
12163 | } | ||||||||
12164 | |||||||||
12165 | bool ARMAsmParser::isMnemonicVPTPredicable(StringRef Mnemonic, | ||||||||
12166 | StringRef ExtraToken) { | ||||||||
12167 | if (!hasMVE()) | ||||||||
12168 | return false; | ||||||||
12169 | |||||||||
12170 | return Mnemonic.startswith("vabav") || Mnemonic.startswith("vaddv") || | ||||||||
12171 | Mnemonic.startswith("vaddlv") || Mnemonic.startswith("vminnmv") || | ||||||||
12172 | Mnemonic.startswith("vminnmav") || Mnemonic.startswith("vminv") || | ||||||||
12173 | Mnemonic.startswith("vminav") || Mnemonic.startswith("vmaxnmv") || | ||||||||
12174 | Mnemonic.startswith("vmaxnmav") || Mnemonic.startswith("vmaxv") || | ||||||||
12175 | Mnemonic.startswith("vmaxav") || Mnemonic.startswith("vmladav") || | ||||||||
12176 | Mnemonic.startswith("vrmlaldavh") || Mnemonic.startswith("vrmlalvh") || | ||||||||
12177 | Mnemonic.startswith("vmlsdav") || Mnemonic.startswith("vmlav") || | ||||||||
12178 | Mnemonic.startswith("vmlaldav") || Mnemonic.startswith("vmlalv") || | ||||||||
12179 | Mnemonic.startswith("vmaxnm") || Mnemonic.startswith("vminnm") || | ||||||||
12180 | Mnemonic.startswith("vmax") || Mnemonic.startswith("vmin") || | ||||||||
12181 | Mnemonic.startswith("vshlc") || Mnemonic.startswith("vmovlt") || | ||||||||
12182 | Mnemonic.startswith("vmovlb") || Mnemonic.startswith("vshll") || | ||||||||
12183 | Mnemonic.startswith("vrshrn") || Mnemonic.startswith("vshrn") || | ||||||||
12184 | Mnemonic.startswith("vqrshrun") || Mnemonic.startswith("vqshrun") || | ||||||||
12185 | Mnemonic.startswith("vqrshrn") || Mnemonic.startswith("vqshrn") || | ||||||||
12186 | Mnemonic.startswith("vbic") || Mnemonic.startswith("vrev64") || | ||||||||
12187 | Mnemonic.startswith("vrev32") || Mnemonic.startswith("vrev16") || | ||||||||
12188 | Mnemonic.startswith("vmvn") || Mnemonic.startswith("veor") || | ||||||||
12189 | Mnemonic.startswith("vorn") || Mnemonic.startswith("vorr") || | ||||||||
12190 | Mnemonic.startswith("vand") || Mnemonic.startswith("vmul") || | ||||||||
12191 | Mnemonic.startswith("vqrdmulh") || Mnemonic.startswith("vqdmulh") || | ||||||||
12192 | Mnemonic.startswith("vsub") || Mnemonic.startswith("vadd") || | ||||||||
12193 | Mnemonic.startswith("vqsub") || Mnemonic.startswith("vqadd") || | ||||||||
12194 | Mnemonic.startswith("vabd") || Mnemonic.startswith("vrhadd") || | ||||||||
12195 | Mnemonic.startswith("vhsub") || Mnemonic.startswith("vhadd") || | ||||||||
12196 | Mnemonic.startswith("vdup") || Mnemonic.startswith("vcls") || | ||||||||
12197 | Mnemonic.startswith("vclz") || Mnemonic.startswith("vneg") || | ||||||||
12198 | Mnemonic.startswith("vabs") || Mnemonic.startswith("vqneg") || | ||||||||
12199 | Mnemonic.startswith("vqabs") || | ||||||||
12200 | (Mnemonic.startswith("vrint") && Mnemonic != "vrintr") || | ||||||||
12201 | Mnemonic.startswith("vcmla") || Mnemonic.startswith("vfma") || | ||||||||
12202 | Mnemonic.startswith("vfms") || Mnemonic.startswith("vcadd") || | ||||||||
12203 | Mnemonic.startswith("vadd") || Mnemonic.startswith("vsub") || | ||||||||
12204 | Mnemonic.startswith("vshl") || Mnemonic.startswith("vqshl") || | ||||||||
12205 | Mnemonic.startswith("vqrshl") || Mnemonic.startswith("vrshl") || | ||||||||
12206 | Mnemonic.startswith("vsri") || Mnemonic.startswith("vsli") || | ||||||||
12207 | Mnemonic.startswith("vrshr") || Mnemonic.startswith("vshr") || | ||||||||
12208 | Mnemonic.startswith("vpsel") || Mnemonic.startswith("vcmp") || | ||||||||
12209 | Mnemonic.startswith("vqdmladh") || Mnemonic.startswith("vqrdmladh") || | ||||||||
12210 | Mnemonic.startswith("vqdmlsdh") || Mnemonic.startswith("vqrdmlsdh") || | ||||||||
12211 | Mnemonic.startswith("vcmul") || Mnemonic.startswith("vrmulh") || | ||||||||
12212 | Mnemonic.startswith("vqmovn") || Mnemonic.startswith("vqmovun") || | ||||||||
12213 | Mnemonic.startswith("vmovnt") || Mnemonic.startswith("vmovnb") || | ||||||||
12214 | Mnemonic.startswith("vmaxa") || Mnemonic.startswith("vmaxnma") || | ||||||||
12215 | Mnemonic.startswith("vhcadd") || Mnemonic.startswith("vadc") || | ||||||||
12216 | Mnemonic.startswith("vsbc") || Mnemonic.startswith("vrshr") || | ||||||||
12217 | Mnemonic.startswith("vshr") || Mnemonic.startswith("vstrb") || | ||||||||
12218 | Mnemonic.startswith("vldrb") || | ||||||||
12219 | (Mnemonic.startswith("vstrh") && Mnemonic != "vstrhi") || | ||||||||
12220 | (Mnemonic.startswith("vldrh") && Mnemonic != "vldrhi") || | ||||||||
12221 | Mnemonic.startswith("vstrw") || Mnemonic.startswith("vldrw") || | ||||||||
12222 | Mnemonic.startswith("vldrd") || Mnemonic.startswith("vstrd") || | ||||||||
12223 | Mnemonic.startswith("vqdmull") || Mnemonic.startswith("vbrsr") || | ||||||||
12224 | Mnemonic.startswith("vfmas") || Mnemonic.startswith("vmlas") || | ||||||||
12225 | Mnemonic.startswith("vmla") || Mnemonic.startswith("vqdmlash") || | ||||||||
12226 | Mnemonic.startswith("vqdmlah") || Mnemonic.startswith("vqrdmlash") || | ||||||||
12227 | Mnemonic.startswith("vqrdmlah") || Mnemonic.startswith("viwdup") || | ||||||||
12228 | Mnemonic.startswith("vdwdup") || Mnemonic.startswith("vidup") || | ||||||||
12229 | Mnemonic.startswith("vddup") || Mnemonic.startswith("vctp") || | ||||||||
12230 | Mnemonic.startswith("vpnot") || Mnemonic.startswith("vbic") || | ||||||||
12231 | Mnemonic.startswith("vrmlsldavh") || Mnemonic.startswith("vmlsldav") || | ||||||||
12232 | Mnemonic.startswith("vcvt") || | ||||||||
12233 | MS.isVPTPredicableCDEInstr(Mnemonic) || | ||||||||
12234 | (Mnemonic.startswith("vmov") && | ||||||||
12235 | !(ExtraToken == ".f16" || ExtraToken == ".32" || | ||||||||
12236 | ExtraToken == ".16" || ExtraToken == ".8")); | ||||||||
12237 | } |
1 | //===- MCAsmMacro.h - Assembly Macros ---------------------------*- C++ -*-===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | #ifndef LLVM_MC_MCASMMACRO_H |
10 | #define LLVM_MC_MCASMMACRO_H |
11 | |
12 | #include "llvm/ADT/APInt.h" |
13 | #include "llvm/ADT/StringRef.h" |
14 | #include "llvm/Support/Debug.h" |
15 | #include "llvm/Support/SMLoc.h" |
16 | #include <vector> |
17 | |
18 | namespace llvm { |
19 | |
20 | /// Target independent representation for an assembler token. |
21 | class AsmToken { |
22 | public: |
23 | enum TokenKind { |
24 | // Markers |
25 | Eof, Error, |
26 | |
27 | // String values. |
28 | Identifier, |
29 | String, |
30 | |
31 | // Integer values. |
32 | Integer, |
33 | BigNum, // larger than 64 bits |
34 | |
35 | // Real values. |
36 | Real, |
37 | |
38 | // Comments |
39 | Comment, |
40 | HashDirective, |
41 | // No-value. |
42 | EndOfStatement, |
43 | Colon, |
44 | Space, |
45 | Plus, Minus, Tilde, |
46 | Slash, // '/' |
47 | BackSlash, // '\' |
48 | LParen, RParen, LBrac, RBrac, LCurly, RCurly, |
49 | Star, Dot, Comma, Dollar, Equal, EqualEqual, |
50 | |
51 | Pipe, PipePipe, Caret, |
52 | Amp, AmpAmp, Exclaim, ExclaimEqual, Percent, Hash, |
53 | Less, LessEqual, LessLess, LessGreater, |
54 | Greater, GreaterEqual, GreaterGreater, At, MinusGreater, |
55 | |
56 | // MIPS unary expression operators such as %neg. |
57 | PercentCall16, PercentCall_Hi, PercentCall_Lo, PercentDtprel_Hi, |
58 | PercentDtprel_Lo, PercentGot, PercentGot_Disp, PercentGot_Hi, PercentGot_Lo, |
59 | PercentGot_Ofst, PercentGot_Page, PercentGottprel, PercentGp_Rel, PercentHi, |
60 | PercentHigher, PercentHighest, PercentLo, PercentNeg, PercentPcrel_Hi, |
61 | PercentPcrel_Lo, PercentTlsgd, PercentTlsldm, PercentTprel_Hi, |
62 | PercentTprel_Lo |
63 | }; |
64 | |
65 | private: |
66 | TokenKind Kind; |
67 | |
68 | /// A reference to the entire token contents; this is always a pointer into |
69 | /// a memory buffer owned by the source manager. |
70 | StringRef Str; |
71 | |
72 | APInt IntVal; |
73 | |
74 | public: |
75 | AsmToken() = default; |
76 | AsmToken(TokenKind Kind, StringRef Str, APInt IntVal) |
77 | : Kind(Kind), Str(Str), IntVal(std::move(IntVal)) {} |
78 | AsmToken(TokenKind Kind, StringRef Str, int64_t IntVal = 0) |
79 | : Kind(Kind), Str(Str), IntVal(64, IntVal, true) {} |
80 | |
81 | TokenKind getKind() const { return Kind; } |
82 | bool is(TokenKind K) const { return Kind == K; } |
83 | bool isNot(TokenKind K) const { return Kind != K; } |
84 | |
85 | SMLoc getLoc() const; |
86 | SMLoc getEndLoc() const; |
87 | SMRange getLocRange() const; |
88 | |
89 | /// Get the contents of a string token (without quotes). |
90 | StringRef getStringContents() const { |
91 | assert(Kind == String && "This token isn't a string!")((Kind == String && "This token isn't a string!") ? static_cast <void> (0) : __assert_fail ("Kind == String && \"This token isn't a string!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/include/llvm/MC/MCAsmMacro.h" , 91, __PRETTY_FUNCTION__)); |
92 | return Str.slice(1, Str.size() - 1); |
93 | } |
94 | |
95 | /// Get the identifier string for the current token, which should be an |
96 | /// identifier or a string. This gets the portion of the string which should |
97 | /// be used as the identifier, e.g., it does not include the quotes on |
98 | /// strings. |
99 | StringRef getIdentifier() const { |
100 | if (Kind == Identifier) |
101 | return getString(); |
102 | return getStringContents(); |
103 | } |
104 | |
105 | /// Get the string for the current token, this includes all characters (for |
106 | /// example, the quotes on strings) in the token. |
107 | /// |
108 | /// The returned StringRef points into the source manager's memory buffer, and |
109 | /// is safe to store across calls to Lex(). |
110 | StringRef getString() const { return Str; } |
111 | |
112 | // FIXME: Don't compute this in advance, it makes every token larger, and is |
113 | // also not generally what we want (it is nicer for recovery etc. to lex 123br |
114 | // as a single token, then diagnose as an invalid number). |
115 | int64_t getIntVal() const { |
116 | assert(Kind == Integer && "This token isn't an integer!")((Kind == Integer && "This token isn't an integer!") ? static_cast<void> (0) : __assert_fail ("Kind == Integer && \"This token isn't an integer!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/include/llvm/MC/MCAsmMacro.h" , 116, __PRETTY_FUNCTION__)); |
117 | return IntVal.getZExtValue(); |
118 | } |
119 | |
120 | APInt getAPIntVal() const { |
121 | assert((Kind == Integer || Kind == BigNum) &&(((Kind == Integer || Kind == BigNum) && "This token isn't an integer!" ) ? static_cast<void> (0) : __assert_fail ("(Kind == Integer || Kind == BigNum) && \"This token isn't an integer!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/include/llvm/MC/MCAsmMacro.h" , 122, __PRETTY_FUNCTION__)) |
122 | "This token isn't an integer!")(((Kind == Integer || Kind == BigNum) && "This token isn't an integer!" ) ? static_cast<void> (0) : __assert_fail ("(Kind == Integer || Kind == BigNum) && \"This token isn't an integer!\"" , "/build/llvm-toolchain-snapshot-11~++20200309111110+2c36c23f347/llvm/include/llvm/MC/MCAsmMacro.h" , 122, __PRETTY_FUNCTION__)); |
123 | return IntVal; |
124 | } |
125 | |
126 | void dump(raw_ostream &OS) const; |
127 | }; |
128 | |
129 | struct MCAsmMacroParameter { |
130 | StringRef Name; |
131 | std::vector<AsmToken> Value; |
132 | bool Required = false; |
133 | bool Vararg = false; |
134 | |
135 | #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) |
136 | void dump() const { dump(dbgs()); } |
137 | LLVM_DUMP_METHOD__attribute__((noinline)) __attribute__((__used__)) void dump(raw_ostream &OS) const; |
138 | #endif |
139 | }; |
140 | |
141 | typedef std::vector<MCAsmMacroParameter> MCAsmMacroParameters; |
142 | struct MCAsmMacro { |
143 | StringRef Name; |
144 | StringRef Body; |
145 | MCAsmMacroParameters Parameters; |
146 | |
147 | public: |
148 | MCAsmMacro(StringRef N, StringRef B, MCAsmMacroParameters P) |
149 | : Name(N), Body(B), Parameters(std::move(P)) {} |
150 | |
151 | #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) |
152 | void dump() const { dump(dbgs()); } |
153 | LLVM_DUMP_METHOD__attribute__((noinline)) __attribute__((__used__)) void dump(raw_ostream &OS) const; |
154 | #endif |
155 | }; |
156 | } // namespace llvm |
157 | |
158 | #endif |