| File: | llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp |
| Warning: | line 4235, column 9 Called C++ object pointer is null |
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| 1 | //==- AArch64AsmParser.cpp - Parse AArch64 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 "MCTargetDesc/AArch64AddressingModes.h" | |||
| 10 | #include "MCTargetDesc/AArch64InstPrinter.h" | |||
| 11 | #include "MCTargetDesc/AArch64MCExpr.h" | |||
| 12 | #include "MCTargetDesc/AArch64MCTargetDesc.h" | |||
| 13 | #include "MCTargetDesc/AArch64TargetStreamer.h" | |||
| 14 | #include "TargetInfo/AArch64TargetInfo.h" | |||
| 15 | #include "AArch64InstrInfo.h" | |||
| 16 | #include "Utils/AArch64BaseInfo.h" | |||
| 17 | #include "llvm/ADT/APFloat.h" | |||
| 18 | #include "llvm/ADT/APInt.h" | |||
| 19 | #include "llvm/ADT/ArrayRef.h" | |||
| 20 | #include "llvm/ADT/STLExtras.h" | |||
| 21 | #include "llvm/ADT/SmallVector.h" | |||
| 22 | #include "llvm/ADT/StringExtras.h" | |||
| 23 | #include "llvm/ADT/StringMap.h" | |||
| 24 | #include "llvm/ADT/StringRef.h" | |||
| 25 | #include "llvm/ADT/StringSwitch.h" | |||
| 26 | #include "llvm/ADT/Twine.h" | |||
| 27 | #include "llvm/MC/MCContext.h" | |||
| 28 | #include "llvm/MC/MCExpr.h" | |||
| 29 | #include "llvm/MC/MCInst.h" | |||
| 30 | #include "llvm/MC/MCLinkerOptimizationHint.h" | |||
| 31 | #include "llvm/MC/MCObjectFileInfo.h" | |||
| 32 | #include "llvm/MC/MCParser/MCAsmLexer.h" | |||
| 33 | #include "llvm/MC/MCParser/MCAsmParser.h" | |||
| 34 | #include "llvm/MC/MCParser/MCAsmParserExtension.h" | |||
| 35 | #include "llvm/MC/MCParser/MCParsedAsmOperand.h" | |||
| 36 | #include "llvm/MC/MCParser/MCTargetAsmParser.h" | |||
| 37 | #include "llvm/MC/MCRegisterInfo.h" | |||
| 38 | #include "llvm/MC/MCStreamer.h" | |||
| 39 | #include "llvm/MC/MCSubtargetInfo.h" | |||
| 40 | #include "llvm/MC/MCSymbol.h" | |||
| 41 | #include "llvm/MC/MCTargetOptions.h" | |||
| 42 | #include "llvm/MC/SubtargetFeature.h" | |||
| 43 | #include "llvm/MC/MCValue.h" | |||
| 44 | #include "llvm/Support/Casting.h" | |||
| 45 | #include "llvm/Support/Compiler.h" | |||
| 46 | #include "llvm/Support/ErrorHandling.h" | |||
| 47 | #include "llvm/Support/MathExtras.h" | |||
| 48 | #include "llvm/Support/SMLoc.h" | |||
| 49 | #include "llvm/Support/TargetParser.h" | |||
| 50 | #include "llvm/Support/TargetRegistry.h" | |||
| 51 | #include "llvm/Support/raw_ostream.h" | |||
| 52 | #include <cassert> | |||
| 53 | #include <cctype> | |||
| 54 | #include <cstdint> | |||
| 55 | #include <cstdio> | |||
| 56 | #include <string> | |||
| 57 | #include <tuple> | |||
| 58 | #include <utility> | |||
| 59 | #include <vector> | |||
| 60 | ||||
| 61 | using namespace llvm; | |||
| 62 | ||||
| 63 | namespace { | |||
| 64 | ||||
| 65 | enum class RegKind { | |||
| 66 | Scalar, | |||
| 67 | NeonVector, | |||
| 68 | SVEDataVector, | |||
| 69 | SVEPredicateVector, | |||
| 70 | Matrix | |||
| 71 | }; | |||
| 72 | ||||
| 73 | enum class MatrixKind { Array, Tile, Row, Col }; | |||
| 74 | ||||
| 75 | enum RegConstraintEqualityTy { | |||
| 76 | EqualsReg, | |||
| 77 | EqualsSuperReg, | |||
| 78 | EqualsSubReg | |||
| 79 | }; | |||
| 80 | ||||
| 81 | class AArch64AsmParser : public MCTargetAsmParser { | |||
| 82 | private: | |||
| 83 | StringRef Mnemonic; ///< Instruction mnemonic. | |||
| 84 | ||||
| 85 | // Map of register aliases registers via the .req directive. | |||
| 86 | StringMap<std::pair<RegKind, unsigned>> RegisterReqs; | |||
| 87 | ||||
| 88 | class PrefixInfo { | |||
| 89 | public: | |||
| 90 | static PrefixInfo CreateFromInst(const MCInst &Inst, uint64_t TSFlags) { | |||
| 91 | PrefixInfo Prefix; | |||
| 92 | switch (Inst.getOpcode()) { | |||
| 93 | case AArch64::MOVPRFX_ZZ: | |||
| 94 | Prefix.Active = true; | |||
| 95 | Prefix.Dst = Inst.getOperand(0).getReg(); | |||
| 96 | break; | |||
| 97 | case AArch64::MOVPRFX_ZPmZ_B: | |||
| 98 | case AArch64::MOVPRFX_ZPmZ_H: | |||
| 99 | case AArch64::MOVPRFX_ZPmZ_S: | |||
| 100 | case AArch64::MOVPRFX_ZPmZ_D: | |||
| 101 | Prefix.Active = true; | |||
| 102 | Prefix.Predicated = true; | |||
| 103 | Prefix.ElementSize = TSFlags & AArch64::ElementSizeMask; | |||
| 104 | assert(Prefix.ElementSize != AArch64::ElementSizeNone &&(static_cast <bool> (Prefix.ElementSize != AArch64::ElementSizeNone && "No destructive element size set for movprfx") ? void (0) : __assert_fail ("Prefix.ElementSize != AArch64::ElementSizeNone && \"No destructive element size set for movprfx\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 105, __extension__ __PRETTY_FUNCTION__)) | |||
| 105 | "No destructive element size set for movprfx")(static_cast <bool> (Prefix.ElementSize != AArch64::ElementSizeNone && "No destructive element size set for movprfx") ? void (0) : __assert_fail ("Prefix.ElementSize != AArch64::ElementSizeNone && \"No destructive element size set for movprfx\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 105, __extension__ __PRETTY_FUNCTION__)); | |||
| 106 | Prefix.Dst = Inst.getOperand(0).getReg(); | |||
| 107 | Prefix.Pg = Inst.getOperand(2).getReg(); | |||
| 108 | break; | |||
| 109 | case AArch64::MOVPRFX_ZPzZ_B: | |||
| 110 | case AArch64::MOVPRFX_ZPzZ_H: | |||
| 111 | case AArch64::MOVPRFX_ZPzZ_S: | |||
| 112 | case AArch64::MOVPRFX_ZPzZ_D: | |||
| 113 | Prefix.Active = true; | |||
| 114 | Prefix.Predicated = true; | |||
| 115 | Prefix.ElementSize = TSFlags & AArch64::ElementSizeMask; | |||
| 116 | assert(Prefix.ElementSize != AArch64::ElementSizeNone &&(static_cast <bool> (Prefix.ElementSize != AArch64::ElementSizeNone && "No destructive element size set for movprfx") ? void (0) : __assert_fail ("Prefix.ElementSize != AArch64::ElementSizeNone && \"No destructive element size set for movprfx\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 117, __extension__ __PRETTY_FUNCTION__)) | |||
| 117 | "No destructive element size set for movprfx")(static_cast <bool> (Prefix.ElementSize != AArch64::ElementSizeNone && "No destructive element size set for movprfx") ? void (0) : __assert_fail ("Prefix.ElementSize != AArch64::ElementSizeNone && \"No destructive element size set for movprfx\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 117, __extension__ __PRETTY_FUNCTION__)); | |||
| 118 | Prefix.Dst = Inst.getOperand(0).getReg(); | |||
| 119 | Prefix.Pg = Inst.getOperand(1).getReg(); | |||
| 120 | break; | |||
| 121 | default: | |||
| 122 | break; | |||
| 123 | } | |||
| 124 | ||||
| 125 | return Prefix; | |||
| 126 | } | |||
| 127 | ||||
| 128 | PrefixInfo() : Active(false), Predicated(false) {} | |||
| 129 | bool isActive() const { return Active; } | |||
| 130 | bool isPredicated() const { return Predicated; } | |||
| 131 | unsigned getElementSize() const { | |||
| 132 | assert(Predicated)(static_cast <bool> (Predicated) ? void (0) : __assert_fail ("Predicated", "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 132, __extension__ __PRETTY_FUNCTION__)); | |||
| 133 | return ElementSize; | |||
| 134 | } | |||
| 135 | unsigned getDstReg() const { return Dst; } | |||
| 136 | unsigned getPgReg() const { | |||
| 137 | assert(Predicated)(static_cast <bool> (Predicated) ? void (0) : __assert_fail ("Predicated", "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 137, __extension__ __PRETTY_FUNCTION__)); | |||
| 138 | return Pg; | |||
| 139 | } | |||
| 140 | ||||
| 141 | private: | |||
| 142 | bool Active; | |||
| 143 | bool Predicated; | |||
| 144 | unsigned ElementSize; | |||
| 145 | unsigned Dst; | |||
| 146 | unsigned Pg; | |||
| 147 | } NextPrefix; | |||
| 148 | ||||
| 149 | AArch64TargetStreamer &getTargetStreamer() { | |||
| 150 | MCTargetStreamer &TS = *getParser().getStreamer().getTargetStreamer(); | |||
| 151 | return static_cast<AArch64TargetStreamer &>(TS); | |||
| 152 | } | |||
| 153 | ||||
| 154 | SMLoc getLoc() const { return getParser().getTok().getLoc(); } | |||
| 155 | ||||
| 156 | bool parseSysAlias(StringRef Name, SMLoc NameLoc, OperandVector &Operands); | |||
| 157 | void createSysAlias(uint16_t Encoding, OperandVector &Operands, SMLoc S); | |||
| 158 | AArch64CC::CondCode parseCondCodeString(StringRef Cond); | |||
| 159 | bool parseCondCode(OperandVector &Operands, bool invertCondCode); | |||
| 160 | unsigned matchRegisterNameAlias(StringRef Name, RegKind Kind); | |||
| 161 | bool parseRegister(OperandVector &Operands); | |||
| 162 | bool parseSymbolicImmVal(const MCExpr *&ImmVal); | |||
| 163 | bool parseNeonVectorList(OperandVector &Operands); | |||
| 164 | bool parseOptionalMulOperand(OperandVector &Operands); | |||
| 165 | bool parseKeywordOperand(OperandVector &Operands); | |||
| 166 | bool parseOperand(OperandVector &Operands, bool isCondCode, | |||
| 167 | bool invertCondCode); | |||
| 168 | bool parseImmExpr(int64_t &Out); | |||
| 169 | bool parseComma(); | |||
| 170 | bool parseRegisterInRange(unsigned &Out, unsigned Base, unsigned First, | |||
| 171 | unsigned Last); | |||
| 172 | ||||
| 173 | bool showMatchError(SMLoc Loc, unsigned ErrCode, uint64_t ErrorInfo, | |||
| 174 | OperandVector &Operands); | |||
| 175 | ||||
| 176 | bool parseDirectiveArch(SMLoc L); | |||
| 177 | bool parseDirectiveArchExtension(SMLoc L); | |||
| 178 | bool parseDirectiveCPU(SMLoc L); | |||
| 179 | bool parseDirectiveInst(SMLoc L); | |||
| 180 | ||||
| 181 | bool parseDirectiveTLSDescCall(SMLoc L); | |||
| 182 | ||||
| 183 | bool parseDirectiveLOH(StringRef LOH, SMLoc L); | |||
| 184 | bool parseDirectiveLtorg(SMLoc L); | |||
| 185 | ||||
| 186 | bool parseDirectiveReq(StringRef Name, SMLoc L); | |||
| 187 | bool parseDirectiveUnreq(SMLoc L); | |||
| 188 | bool parseDirectiveCFINegateRAState(); | |||
| 189 | bool parseDirectiveCFIBKeyFrame(); | |||
| 190 | ||||
| 191 | bool parseDirectiveVariantPCS(SMLoc L); | |||
| 192 | ||||
| 193 | bool parseDirectiveSEHAllocStack(SMLoc L); | |||
| 194 | bool parseDirectiveSEHPrologEnd(SMLoc L); | |||
| 195 | bool parseDirectiveSEHSaveR19R20X(SMLoc L); | |||
| 196 | bool parseDirectiveSEHSaveFPLR(SMLoc L); | |||
| 197 | bool parseDirectiveSEHSaveFPLRX(SMLoc L); | |||
| 198 | bool parseDirectiveSEHSaveReg(SMLoc L); | |||
| 199 | bool parseDirectiveSEHSaveRegX(SMLoc L); | |||
| 200 | bool parseDirectiveSEHSaveRegP(SMLoc L); | |||
| 201 | bool parseDirectiveSEHSaveRegPX(SMLoc L); | |||
| 202 | bool parseDirectiveSEHSaveLRPair(SMLoc L); | |||
| 203 | bool parseDirectiveSEHSaveFReg(SMLoc L); | |||
| 204 | bool parseDirectiveSEHSaveFRegX(SMLoc L); | |||
| 205 | bool parseDirectiveSEHSaveFRegP(SMLoc L); | |||
| 206 | bool parseDirectiveSEHSaveFRegPX(SMLoc L); | |||
| 207 | bool parseDirectiveSEHSetFP(SMLoc L); | |||
| 208 | bool parseDirectiveSEHAddFP(SMLoc L); | |||
| 209 | bool parseDirectiveSEHNop(SMLoc L); | |||
| 210 | bool parseDirectiveSEHSaveNext(SMLoc L); | |||
| 211 | bool parseDirectiveSEHEpilogStart(SMLoc L); | |||
| 212 | bool parseDirectiveSEHEpilogEnd(SMLoc L); | |||
| 213 | bool parseDirectiveSEHTrapFrame(SMLoc L); | |||
| 214 | bool parseDirectiveSEHMachineFrame(SMLoc L); | |||
| 215 | bool parseDirectiveSEHContext(SMLoc L); | |||
| 216 | bool parseDirectiveSEHClearUnwoundToCall(SMLoc L); | |||
| 217 | ||||
| 218 | bool validateInstruction(MCInst &Inst, SMLoc &IDLoc, | |||
| 219 | SmallVectorImpl<SMLoc> &Loc); | |||
| 220 | bool MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode, | |||
| 221 | OperandVector &Operands, MCStreamer &Out, | |||
| 222 | uint64_t &ErrorInfo, | |||
| 223 | bool MatchingInlineAsm) override; | |||
| 224 | /// @name Auto-generated Match Functions | |||
| 225 | /// { | |||
| 226 | ||||
| 227 | #define GET_ASSEMBLER_HEADER | |||
| 228 | #include "AArch64GenAsmMatcher.inc" | |||
| 229 | ||||
| 230 | /// } | |||
| 231 | ||||
| 232 | OperandMatchResultTy tryParseScalarRegister(unsigned &Reg); | |||
| 233 | OperandMatchResultTy tryParseVectorRegister(unsigned &Reg, StringRef &Kind, | |||
| 234 | RegKind MatchKind); | |||
| 235 | OperandMatchResultTy tryParseMatrixRegister(OperandVector &Operands); | |||
| 236 | OperandMatchResultTy tryParseSVCR(OperandVector &Operands); | |||
| 237 | OperandMatchResultTy tryParseOptionalShiftExtend(OperandVector &Operands); | |||
| 238 | OperandMatchResultTy tryParseBarrierOperand(OperandVector &Operands); | |||
| 239 | OperandMatchResultTy tryParseBarriernXSOperand(OperandVector &Operands); | |||
| 240 | OperandMatchResultTy tryParseMRSSystemRegister(OperandVector &Operands); | |||
| 241 | OperandMatchResultTy tryParseSysReg(OperandVector &Operands); | |||
| 242 | OperandMatchResultTy tryParseSysCROperand(OperandVector &Operands); | |||
| 243 | template <bool IsSVEPrefetch = false> | |||
| 244 | OperandMatchResultTy tryParsePrefetch(OperandVector &Operands); | |||
| 245 | OperandMatchResultTy tryParsePSBHint(OperandVector &Operands); | |||
| 246 | OperandMatchResultTy tryParseBTIHint(OperandVector &Operands); | |||
| 247 | OperandMatchResultTy tryParseAdrpLabel(OperandVector &Operands); | |||
| 248 | OperandMatchResultTy tryParseAdrLabel(OperandVector &Operands); | |||
| 249 | template<bool AddFPZeroAsLiteral> | |||
| 250 | OperandMatchResultTy tryParseFPImm(OperandVector &Operands); | |||
| 251 | OperandMatchResultTy tryParseImmWithOptionalShift(OperandVector &Operands); | |||
| 252 | OperandMatchResultTy tryParseGPR64sp0Operand(OperandVector &Operands); | |||
| 253 | bool tryParseNeonVectorRegister(OperandVector &Operands); | |||
| 254 | OperandMatchResultTy tryParseVectorIndex(OperandVector &Operands); | |||
| 255 | OperandMatchResultTy tryParseGPRSeqPair(OperandVector &Operands); | |||
| 256 | template <bool ParseShiftExtend, | |||
| 257 | RegConstraintEqualityTy EqTy = RegConstraintEqualityTy::EqualsReg> | |||
| 258 | OperandMatchResultTy tryParseGPROperand(OperandVector &Operands); | |||
| 259 | template <bool ParseShiftExtend, bool ParseSuffix> | |||
| 260 | OperandMatchResultTy tryParseSVEDataVector(OperandVector &Operands); | |||
| 261 | OperandMatchResultTy tryParseSVEPredicateVector(OperandVector &Operands); | |||
| 262 | template <RegKind VectorKind> | |||
| 263 | OperandMatchResultTy tryParseVectorList(OperandVector &Operands, | |||
| 264 | bool ExpectMatch = false); | |||
| 265 | OperandMatchResultTy tryParseSVEPattern(OperandVector &Operands); | |||
| 266 | OperandMatchResultTy tryParseGPR64x8(OperandVector &Operands); | |||
| 267 | ||||
| 268 | public: | |||
| 269 | enum AArch64MatchResultTy { | |||
| 270 | Match_InvalidSuffix = FIRST_TARGET_MATCH_RESULT_TY, | |||
| 271 | #define GET_OPERAND_DIAGNOSTIC_TYPES | |||
| 272 | #include "AArch64GenAsmMatcher.inc" | |||
| 273 | }; | |||
| 274 | bool IsILP32; | |||
| 275 | ||||
| 276 | AArch64AsmParser(const MCSubtargetInfo &STI, MCAsmParser &Parser, | |||
| 277 | const MCInstrInfo &MII, const MCTargetOptions &Options) | |||
| 278 | : MCTargetAsmParser(Options, STI, MII) { | |||
| 279 | IsILP32 = STI.getTargetTriple().getEnvironment() == Triple::GNUILP32; | |||
| 280 | MCAsmParserExtension::Initialize(Parser); | |||
| 281 | MCStreamer &S = getParser().getStreamer(); | |||
| 282 | if (S.getTargetStreamer() == nullptr) | |||
| 283 | new AArch64TargetStreamer(S); | |||
| 284 | ||||
| 285 | // Alias .hword/.word/.[dx]word to the target-independent | |||
| 286 | // .2byte/.4byte/.8byte directives as they have the same form and | |||
| 287 | // semantics: | |||
| 288 | /// ::= (.hword | .word | .dword | .xword ) [ expression (, expression)* ] | |||
| 289 | Parser.addAliasForDirective(".hword", ".2byte"); | |||
| 290 | Parser.addAliasForDirective(".word", ".4byte"); | |||
| 291 | Parser.addAliasForDirective(".dword", ".8byte"); | |||
| 292 | Parser.addAliasForDirective(".xword", ".8byte"); | |||
| 293 | ||||
| 294 | // Initialize the set of available features. | |||
| 295 | setAvailableFeatures(ComputeAvailableFeatures(getSTI().getFeatureBits())); | |||
| 296 | } | |||
| 297 | ||||
| 298 | bool regsEqual(const MCParsedAsmOperand &Op1, | |||
| 299 | const MCParsedAsmOperand &Op2) const override; | |||
| 300 | bool ParseInstruction(ParseInstructionInfo &Info, StringRef Name, | |||
| 301 | SMLoc NameLoc, OperandVector &Operands) override; | |||
| 302 | bool ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc) override; | |||
| 303 | OperandMatchResultTy tryParseRegister(unsigned &RegNo, SMLoc &StartLoc, | |||
| 304 | SMLoc &EndLoc) override; | |||
| 305 | bool ParseDirective(AsmToken DirectiveID) override; | |||
| 306 | unsigned validateTargetOperandClass(MCParsedAsmOperand &Op, | |||
| 307 | unsigned Kind) override; | |||
| 308 | ||||
| 309 | static bool classifySymbolRef(const MCExpr *Expr, | |||
| 310 | AArch64MCExpr::VariantKind &ELFRefKind, | |||
| 311 | MCSymbolRefExpr::VariantKind &DarwinRefKind, | |||
| 312 | int64_t &Addend); | |||
| 313 | }; | |||
| 314 | ||||
| 315 | /// AArch64Operand - Instances of this class represent a parsed AArch64 machine | |||
| 316 | /// instruction. | |||
| 317 | class AArch64Operand : public MCParsedAsmOperand { | |||
| 318 | private: | |||
| 319 | enum KindTy { | |||
| 320 | k_Immediate, | |||
| 321 | k_ShiftedImm, | |||
| 322 | k_CondCode, | |||
| 323 | k_Register, | |||
| 324 | k_MatrixRegister, | |||
| 325 | k_SVCR, | |||
| 326 | k_VectorList, | |||
| 327 | k_VectorIndex, | |||
| 328 | k_Token, | |||
| 329 | k_SysReg, | |||
| 330 | k_SysCR, | |||
| 331 | k_Prefetch, | |||
| 332 | k_ShiftExtend, | |||
| 333 | k_FPImm, | |||
| 334 | k_Barrier, | |||
| 335 | k_PSBHint, | |||
| 336 | k_BTIHint, | |||
| 337 | } Kind; | |||
| 338 | ||||
| 339 | SMLoc StartLoc, EndLoc; | |||
| 340 | ||||
| 341 | struct TokOp { | |||
| 342 | const char *Data; | |||
| 343 | unsigned Length; | |||
| 344 | bool IsSuffix; // Is the operand actually a suffix on the mnemonic. | |||
| 345 | }; | |||
| 346 | ||||
| 347 | // Separate shift/extend operand. | |||
| 348 | struct ShiftExtendOp { | |||
| 349 | AArch64_AM::ShiftExtendType Type; | |||
| 350 | unsigned Amount; | |||
| 351 | bool HasExplicitAmount; | |||
| 352 | }; | |||
| 353 | ||||
| 354 | struct RegOp { | |||
| 355 | unsigned RegNum; | |||
| 356 | RegKind Kind; | |||
| 357 | int ElementWidth; | |||
| 358 | ||||
| 359 | // The register may be allowed as a different register class, | |||
| 360 | // e.g. for GPR64as32 or GPR32as64. | |||
| 361 | RegConstraintEqualityTy EqualityTy; | |||
| 362 | ||||
| 363 | // In some cases the shift/extend needs to be explicitly parsed together | |||
| 364 | // with the register, rather than as a separate operand. This is needed | |||
| 365 | // for addressing modes where the instruction as a whole dictates the | |||
| 366 | // scaling/extend, rather than specific bits in the instruction. | |||
| 367 | // By parsing them as a single operand, we avoid the need to pass an | |||
| 368 | // extra operand in all CodeGen patterns (because all operands need to | |||
| 369 | // have an associated value), and we avoid the need to update TableGen to | |||
| 370 | // accept operands that have no associated bits in the instruction. | |||
| 371 | // | |||
| 372 | // An added benefit of parsing them together is that the assembler | |||
| 373 | // can give a sensible diagnostic if the scaling is not correct. | |||
| 374 | // | |||
| 375 | // The default is 'lsl #0' (HasExplicitAmount = false) if no | |||
| 376 | // ShiftExtend is specified. | |||
| 377 | ShiftExtendOp ShiftExtend; | |||
| 378 | }; | |||
| 379 | ||||
| 380 | struct MatrixRegOp { | |||
| 381 | unsigned RegNum; | |||
| 382 | unsigned ElementWidth; | |||
| 383 | MatrixKind Kind; | |||
| 384 | }; | |||
| 385 | ||||
| 386 | struct VectorListOp { | |||
| 387 | unsigned RegNum; | |||
| 388 | unsigned Count; | |||
| 389 | unsigned NumElements; | |||
| 390 | unsigned ElementWidth; | |||
| 391 | RegKind RegisterKind; | |||
| 392 | }; | |||
| 393 | ||||
| 394 | struct VectorIndexOp { | |||
| 395 | int Val; | |||
| 396 | }; | |||
| 397 | ||||
| 398 | struct ImmOp { | |||
| 399 | const MCExpr *Val; | |||
| 400 | }; | |||
| 401 | ||||
| 402 | struct ShiftedImmOp { | |||
| 403 | const MCExpr *Val; | |||
| 404 | unsigned ShiftAmount; | |||
| 405 | }; | |||
| 406 | ||||
| 407 | struct CondCodeOp { | |||
| 408 | AArch64CC::CondCode Code; | |||
| 409 | }; | |||
| 410 | ||||
| 411 | struct FPImmOp { | |||
| 412 | uint64_t Val; // APFloat value bitcasted to uint64_t. | |||
| 413 | bool IsExact; // describes whether parsed value was exact. | |||
| 414 | }; | |||
| 415 | ||||
| 416 | struct BarrierOp { | |||
| 417 | const char *Data; | |||
| 418 | unsigned Length; | |||
| 419 | unsigned Val; // Not the enum since not all values have names. | |||
| 420 | bool HasnXSModifier; | |||
| 421 | }; | |||
| 422 | ||||
| 423 | struct SysRegOp { | |||
| 424 | const char *Data; | |||
| 425 | unsigned Length; | |||
| 426 | uint32_t MRSReg; | |||
| 427 | uint32_t MSRReg; | |||
| 428 | uint32_t PStateField; | |||
| 429 | }; | |||
| 430 | ||||
| 431 | struct SysCRImmOp { | |||
| 432 | unsigned Val; | |||
| 433 | }; | |||
| 434 | ||||
| 435 | struct PrefetchOp { | |||
| 436 | const char *Data; | |||
| 437 | unsigned Length; | |||
| 438 | unsigned Val; | |||
| 439 | }; | |||
| 440 | ||||
| 441 | struct PSBHintOp { | |||
| 442 | const char *Data; | |||
| 443 | unsigned Length; | |||
| 444 | unsigned Val; | |||
| 445 | }; | |||
| 446 | ||||
| 447 | struct BTIHintOp { | |||
| 448 | const char *Data; | |||
| 449 | unsigned Length; | |||
| 450 | unsigned Val; | |||
| 451 | }; | |||
| 452 | ||||
| 453 | struct SVCROp { | |||
| 454 | const char *Data; | |||
| 455 | unsigned Length; | |||
| 456 | unsigned PStateField; | |||
| 457 | }; | |||
| 458 | ||||
| 459 | union { | |||
| 460 | struct TokOp Tok; | |||
| 461 | struct RegOp Reg; | |||
| 462 | struct MatrixRegOp MatrixReg; | |||
| 463 | struct VectorListOp VectorList; | |||
| 464 | struct VectorIndexOp VectorIndex; | |||
| 465 | struct ImmOp Imm; | |||
| 466 | struct ShiftedImmOp ShiftedImm; | |||
| 467 | struct CondCodeOp CondCode; | |||
| 468 | struct FPImmOp FPImm; | |||
| 469 | struct BarrierOp Barrier; | |||
| 470 | struct SysRegOp SysReg; | |||
| 471 | struct SysCRImmOp SysCRImm; | |||
| 472 | struct PrefetchOp Prefetch; | |||
| 473 | struct PSBHintOp PSBHint; | |||
| 474 | struct BTIHintOp BTIHint; | |||
| 475 | struct ShiftExtendOp ShiftExtend; | |||
| 476 | struct SVCROp SVCR; | |||
| 477 | }; | |||
| 478 | ||||
| 479 | // Keep the MCContext around as the MCExprs may need manipulated during | |||
| 480 | // the add<>Operands() calls. | |||
| 481 | MCContext &Ctx; | |||
| 482 | ||||
| 483 | public: | |||
| 484 | AArch64Operand(KindTy K, MCContext &Ctx) : Kind(K), Ctx(Ctx) {} | |||
| 485 | ||||
| 486 | AArch64Operand(const AArch64Operand &o) : MCParsedAsmOperand(), Ctx(o.Ctx) { | |||
| 487 | Kind = o.Kind; | |||
| 488 | StartLoc = o.StartLoc; | |||
| 489 | EndLoc = o.EndLoc; | |||
| 490 | switch (Kind) { | |||
| 491 | case k_Token: | |||
| 492 | Tok = o.Tok; | |||
| 493 | break; | |||
| 494 | case k_Immediate: | |||
| 495 | Imm = o.Imm; | |||
| 496 | break; | |||
| 497 | case k_ShiftedImm: | |||
| 498 | ShiftedImm = o.ShiftedImm; | |||
| 499 | break; | |||
| 500 | case k_CondCode: | |||
| 501 | CondCode = o.CondCode; | |||
| 502 | break; | |||
| 503 | case k_FPImm: | |||
| 504 | FPImm = o.FPImm; | |||
| 505 | break; | |||
| 506 | case k_Barrier: | |||
| 507 | Barrier = o.Barrier; | |||
| 508 | break; | |||
| 509 | case k_Register: | |||
| 510 | Reg = o.Reg; | |||
| 511 | break; | |||
| 512 | case k_MatrixRegister: | |||
| 513 | MatrixReg = o.MatrixReg; | |||
| 514 | break; | |||
| 515 | case k_VectorList: | |||
| 516 | VectorList = o.VectorList; | |||
| 517 | break; | |||
| 518 | case k_VectorIndex: | |||
| 519 | VectorIndex = o.VectorIndex; | |||
| 520 | break; | |||
| 521 | case k_SysReg: | |||
| 522 | SysReg = o.SysReg; | |||
| 523 | break; | |||
| 524 | case k_SysCR: | |||
| 525 | SysCRImm = o.SysCRImm; | |||
| 526 | break; | |||
| 527 | case k_Prefetch: | |||
| 528 | Prefetch = o.Prefetch; | |||
| 529 | break; | |||
| 530 | case k_PSBHint: | |||
| 531 | PSBHint = o.PSBHint; | |||
| 532 | break; | |||
| 533 | case k_BTIHint: | |||
| 534 | BTIHint = o.BTIHint; | |||
| 535 | break; | |||
| 536 | case k_ShiftExtend: | |||
| 537 | ShiftExtend = o.ShiftExtend; | |||
| 538 | break; | |||
| 539 | case k_SVCR: | |||
| 540 | SVCR = o.SVCR; | |||
| 541 | break; | |||
| 542 | } | |||
| 543 | } | |||
| 544 | ||||
| 545 | /// getStartLoc - Get the location of the first token of this operand. | |||
| 546 | SMLoc getStartLoc() const override { return StartLoc; } | |||
| 547 | /// getEndLoc - Get the location of the last token of this operand. | |||
| 548 | SMLoc getEndLoc() const override { return EndLoc; } | |||
| 549 | ||||
| 550 | StringRef getToken() const { | |||
| 551 | assert(Kind == k_Token && "Invalid access!")(static_cast <bool> (Kind == k_Token && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_Token && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 551, __extension__ __PRETTY_FUNCTION__)); | |||
| 552 | return StringRef(Tok.Data, Tok.Length); | |||
| 553 | } | |||
| 554 | ||||
| 555 | bool isTokenSuffix() const { | |||
| 556 | assert(Kind == k_Token && "Invalid access!")(static_cast <bool> (Kind == k_Token && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_Token && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 556, __extension__ __PRETTY_FUNCTION__)); | |||
| 557 | return Tok.IsSuffix; | |||
| 558 | } | |||
| 559 | ||||
| 560 | const MCExpr *getImm() const { | |||
| 561 | assert(Kind == k_Immediate && "Invalid access!")(static_cast <bool> (Kind == k_Immediate && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_Immediate && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 561, __extension__ __PRETTY_FUNCTION__)); | |||
| 562 | return Imm.Val; | |||
| 563 | } | |||
| 564 | ||||
| 565 | const MCExpr *getShiftedImmVal() const { | |||
| 566 | assert(Kind == k_ShiftedImm && "Invalid access!")(static_cast <bool> (Kind == k_ShiftedImm && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_ShiftedImm && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 566, __extension__ __PRETTY_FUNCTION__)); | |||
| 567 | return ShiftedImm.Val; | |||
| 568 | } | |||
| 569 | ||||
| 570 | unsigned getShiftedImmShift() const { | |||
| 571 | assert(Kind == k_ShiftedImm && "Invalid access!")(static_cast <bool> (Kind == k_ShiftedImm && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_ShiftedImm && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 571, __extension__ __PRETTY_FUNCTION__)); | |||
| 572 | return ShiftedImm.ShiftAmount; | |||
| 573 | } | |||
| 574 | ||||
| 575 | AArch64CC::CondCode getCondCode() const { | |||
| 576 | assert(Kind == k_CondCode && "Invalid access!")(static_cast <bool> (Kind == k_CondCode && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_CondCode && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 576, __extension__ __PRETTY_FUNCTION__)); | |||
| 577 | return CondCode.Code; | |||
| 578 | } | |||
| 579 | ||||
| 580 | APFloat getFPImm() const { | |||
| 581 | assert (Kind == k_FPImm && "Invalid access!")(static_cast <bool> (Kind == k_FPImm && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_FPImm && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 581, __extension__ __PRETTY_FUNCTION__)); | |||
| 582 | return APFloat(APFloat::IEEEdouble(), APInt(64, FPImm.Val, true)); | |||
| 583 | } | |||
| 584 | ||||
| 585 | bool getFPImmIsExact() const { | |||
| 586 | assert (Kind == k_FPImm && "Invalid access!")(static_cast <bool> (Kind == k_FPImm && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_FPImm && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 586, __extension__ __PRETTY_FUNCTION__)); | |||
| 587 | return FPImm.IsExact; | |||
| 588 | } | |||
| 589 | ||||
| 590 | unsigned getBarrier() const { | |||
| 591 | assert(Kind == k_Barrier && "Invalid access!")(static_cast <bool> (Kind == k_Barrier && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_Barrier && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 591, __extension__ __PRETTY_FUNCTION__)); | |||
| 592 | return Barrier.Val; | |||
| 593 | } | |||
| 594 | ||||
| 595 | StringRef getBarrierName() const { | |||
| 596 | assert(Kind == k_Barrier && "Invalid access!")(static_cast <bool> (Kind == k_Barrier && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_Barrier && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 596, __extension__ __PRETTY_FUNCTION__)); | |||
| 597 | return StringRef(Barrier.Data, Barrier.Length); | |||
| 598 | } | |||
| 599 | ||||
| 600 | bool getBarriernXSModifier() const { | |||
| 601 | assert(Kind == k_Barrier && "Invalid access!")(static_cast <bool> (Kind == k_Barrier && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_Barrier && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 601, __extension__ __PRETTY_FUNCTION__)); | |||
| 602 | return Barrier.HasnXSModifier; | |||
| 603 | } | |||
| 604 | ||||
| 605 | unsigned getReg() const override { | |||
| 606 | assert(Kind == k_Register && "Invalid access!")(static_cast <bool> (Kind == k_Register && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_Register && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 606, __extension__ __PRETTY_FUNCTION__)); | |||
| 607 | return Reg.RegNum; | |||
| 608 | } | |||
| 609 | ||||
| 610 | unsigned getMatrixReg() const { | |||
| 611 | assert(Kind == k_MatrixRegister && "Invalid access!")(static_cast <bool> (Kind == k_MatrixRegister && "Invalid access!") ? void (0) : __assert_fail ("Kind == k_MatrixRegister && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 611, __extension__ __PRETTY_FUNCTION__)); | |||
| 612 | return MatrixReg.RegNum; | |||
| 613 | } | |||
| 614 | ||||
| 615 | unsigned getMatrixElementWidth() const { | |||
| 616 | assert(Kind == k_MatrixRegister && "Invalid access!")(static_cast <bool> (Kind == k_MatrixRegister && "Invalid access!") ? void (0) : __assert_fail ("Kind == k_MatrixRegister && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 616, __extension__ __PRETTY_FUNCTION__)); | |||
| 617 | return MatrixReg.ElementWidth; | |||
| 618 | } | |||
| 619 | ||||
| 620 | MatrixKind getMatrixKind() const { | |||
| 621 | assert(Kind == k_MatrixRegister && "Invalid access!")(static_cast <bool> (Kind == k_MatrixRegister && "Invalid access!") ? void (0) : __assert_fail ("Kind == k_MatrixRegister && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 621, __extension__ __PRETTY_FUNCTION__)); | |||
| 622 | return MatrixReg.Kind; | |||
| 623 | } | |||
| 624 | ||||
| 625 | RegConstraintEqualityTy getRegEqualityTy() const { | |||
| 626 | assert(Kind == k_Register && "Invalid access!")(static_cast <bool> (Kind == k_Register && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_Register && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 626, __extension__ __PRETTY_FUNCTION__)); | |||
| 627 | return Reg.EqualityTy; | |||
| 628 | } | |||
| 629 | ||||
| 630 | unsigned getVectorListStart() const { | |||
| 631 | assert(Kind == k_VectorList && "Invalid access!")(static_cast <bool> (Kind == k_VectorList && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_VectorList && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 631, __extension__ __PRETTY_FUNCTION__)); | |||
| 632 | return VectorList.RegNum; | |||
| 633 | } | |||
| 634 | ||||
| 635 | unsigned getVectorListCount() const { | |||
| 636 | assert(Kind == k_VectorList && "Invalid access!")(static_cast <bool> (Kind == k_VectorList && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_VectorList && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 636, __extension__ __PRETTY_FUNCTION__)); | |||
| 637 | return VectorList.Count; | |||
| 638 | } | |||
| 639 | ||||
| 640 | int getVectorIndex() const { | |||
| 641 | assert(Kind == k_VectorIndex && "Invalid access!")(static_cast <bool> (Kind == k_VectorIndex && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_VectorIndex && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 641, __extension__ __PRETTY_FUNCTION__)); | |||
| 642 | return VectorIndex.Val; | |||
| 643 | } | |||
| 644 | ||||
| 645 | StringRef getSysReg() const { | |||
| 646 | assert(Kind == k_SysReg && "Invalid access!")(static_cast <bool> (Kind == k_SysReg && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_SysReg && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 646, __extension__ __PRETTY_FUNCTION__)); | |||
| 647 | return StringRef(SysReg.Data, SysReg.Length); | |||
| 648 | } | |||
| 649 | ||||
| 650 | unsigned getSysCR() const { | |||
| 651 | assert(Kind == k_SysCR && "Invalid access!")(static_cast <bool> (Kind == k_SysCR && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_SysCR && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 651, __extension__ __PRETTY_FUNCTION__)); | |||
| 652 | return SysCRImm.Val; | |||
| 653 | } | |||
| 654 | ||||
| 655 | unsigned getPrefetch() const { | |||
| 656 | assert(Kind == k_Prefetch && "Invalid access!")(static_cast <bool> (Kind == k_Prefetch && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_Prefetch && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 656, __extension__ __PRETTY_FUNCTION__)); | |||
| 657 | return Prefetch.Val; | |||
| 658 | } | |||
| 659 | ||||
| 660 | unsigned getPSBHint() const { | |||
| 661 | assert(Kind == k_PSBHint && "Invalid access!")(static_cast <bool> (Kind == k_PSBHint && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_PSBHint && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 661, __extension__ __PRETTY_FUNCTION__)); | |||
| 662 | return PSBHint.Val; | |||
| 663 | } | |||
| 664 | ||||
| 665 | StringRef getPSBHintName() const { | |||
| 666 | assert(Kind == k_PSBHint && "Invalid access!")(static_cast <bool> (Kind == k_PSBHint && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_PSBHint && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 666, __extension__ __PRETTY_FUNCTION__)); | |||
| 667 | return StringRef(PSBHint.Data, PSBHint.Length); | |||
| 668 | } | |||
| 669 | ||||
| 670 | unsigned getBTIHint() const { | |||
| 671 | assert(Kind == k_BTIHint && "Invalid access!")(static_cast <bool> (Kind == k_BTIHint && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_BTIHint && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 671, __extension__ __PRETTY_FUNCTION__)); | |||
| 672 | return BTIHint.Val; | |||
| 673 | } | |||
| 674 | ||||
| 675 | StringRef getBTIHintName() const { | |||
| 676 | assert(Kind == k_BTIHint && "Invalid access!")(static_cast <bool> (Kind == k_BTIHint && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_BTIHint && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 676, __extension__ __PRETTY_FUNCTION__)); | |||
| 677 | return StringRef(BTIHint.Data, BTIHint.Length); | |||
| 678 | } | |||
| 679 | ||||
| 680 | StringRef getSVCR() const { | |||
| 681 | assert(Kind == k_SVCR && "Invalid access!")(static_cast <bool> (Kind == k_SVCR && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_SVCR && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 681, __extension__ __PRETTY_FUNCTION__)); | |||
| 682 | return StringRef(SVCR.Data, SVCR.Length); | |||
| 683 | } | |||
| 684 | ||||
| 685 | StringRef getPrefetchName() const { | |||
| 686 | assert(Kind == k_Prefetch && "Invalid access!")(static_cast <bool> (Kind == k_Prefetch && "Invalid access!" ) ? void (0) : __assert_fail ("Kind == k_Prefetch && \"Invalid access!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 686, __extension__ __PRETTY_FUNCTION__)); | |||
| 687 | return StringRef(Prefetch.Data, Prefetch.Length); | |||
| 688 | } | |||
| 689 | ||||
| 690 | AArch64_AM::ShiftExtendType getShiftExtendType() const { | |||
| 691 | if (Kind == k_ShiftExtend) | |||
| 692 | return ShiftExtend.Type; | |||
| 693 | if (Kind == k_Register) | |||
| 694 | return Reg.ShiftExtend.Type; | |||
| 695 | llvm_unreachable("Invalid access!")::llvm::llvm_unreachable_internal("Invalid access!", "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 695); | |||
| 696 | } | |||
| 697 | ||||
| 698 | unsigned getShiftExtendAmount() const { | |||
| 699 | if (Kind == k_ShiftExtend) | |||
| 700 | return ShiftExtend.Amount; | |||
| 701 | if (Kind == k_Register) | |||
| 702 | return Reg.ShiftExtend.Amount; | |||
| 703 | llvm_unreachable("Invalid access!")::llvm::llvm_unreachable_internal("Invalid access!", "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 703); | |||
| 704 | } | |||
| 705 | ||||
| 706 | bool hasShiftExtendAmount() const { | |||
| 707 | if (Kind == k_ShiftExtend) | |||
| 708 | return ShiftExtend.HasExplicitAmount; | |||
| 709 | if (Kind == k_Register) | |||
| 710 | return Reg.ShiftExtend.HasExplicitAmount; | |||
| 711 | llvm_unreachable("Invalid access!")::llvm::llvm_unreachable_internal("Invalid access!", "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 711); | |||
| 712 | } | |||
| 713 | ||||
| 714 | bool isImm() const override { return Kind == k_Immediate; } | |||
| 715 | bool isMem() const override { return false; } | |||
| 716 | ||||
| 717 | bool isUImm6() const { | |||
| 718 | if (!isImm()) | |||
| 719 | return false; | |||
| 720 | const MCConstantExpr *MCE = dyn_cast<MCConstantExpr>(getImm()); | |||
| 721 | if (!MCE) | |||
| 722 | return false; | |||
| 723 | int64_t Val = MCE->getValue(); | |||
| 724 | return (Val >= 0 && Val < 64); | |||
| 725 | } | |||
| 726 | ||||
| 727 | template <int Width> bool isSImm() const { return isSImmScaled<Width, 1>(); } | |||
| 728 | ||||
| 729 | template <int Bits, int Scale> DiagnosticPredicate isSImmScaled() const { | |||
| 730 | return isImmScaled<Bits, Scale>(true); | |||
| 731 | } | |||
| 732 | ||||
| 733 | template <int Bits, int Scale> DiagnosticPredicate isUImmScaled() const { | |||
| 734 | return isImmScaled<Bits, Scale>(false); | |||
| 735 | } | |||
| 736 | ||||
| 737 | template <int Bits, int Scale> | |||
| 738 | DiagnosticPredicate isImmScaled(bool Signed) const { | |||
| 739 | if (!isImm()) | |||
| 740 | return DiagnosticPredicateTy::NoMatch; | |||
| 741 | ||||
| 742 | const MCConstantExpr *MCE = dyn_cast<MCConstantExpr>(getImm()); | |||
| 743 | if (!MCE) | |||
| 744 | return DiagnosticPredicateTy::NoMatch; | |||
| 745 | ||||
| 746 | int64_t MinVal, MaxVal; | |||
| 747 | if (Signed) { | |||
| 748 | int64_t Shift = Bits - 1; | |||
| 749 | MinVal = (int64_t(1) << Shift) * -Scale; | |||
| 750 | MaxVal = ((int64_t(1) << Shift) - 1) * Scale; | |||
| 751 | } else { | |||
| 752 | MinVal = 0; | |||
| 753 | MaxVal = ((int64_t(1) << Bits) - 1) * Scale; | |||
| 754 | } | |||
| 755 | ||||
| 756 | int64_t Val = MCE->getValue(); | |||
| 757 | if (Val >= MinVal && Val <= MaxVal && (Val % Scale) == 0) | |||
| 758 | return DiagnosticPredicateTy::Match; | |||
| 759 | ||||
| 760 | return DiagnosticPredicateTy::NearMatch; | |||
| 761 | } | |||
| 762 | ||||
| 763 | DiagnosticPredicate isSVEPattern() const { | |||
| 764 | if (!isImm()) | |||
| 765 | return DiagnosticPredicateTy::NoMatch; | |||
| 766 | auto *MCE = dyn_cast<MCConstantExpr>(getImm()); | |||
| 767 | if (!MCE) | |||
| 768 | return DiagnosticPredicateTy::NoMatch; | |||
| 769 | int64_t Val = MCE->getValue(); | |||
| 770 | if (Val >= 0 && Val < 32) | |||
| 771 | return DiagnosticPredicateTy::Match; | |||
| 772 | return DiagnosticPredicateTy::NearMatch; | |||
| 773 | } | |||
| 774 | ||||
| 775 | bool isSymbolicUImm12Offset(const MCExpr *Expr) const { | |||
| 776 | AArch64MCExpr::VariantKind ELFRefKind; | |||
| 777 | MCSymbolRefExpr::VariantKind DarwinRefKind; | |||
| 778 | int64_t Addend; | |||
| 779 | if (!AArch64AsmParser::classifySymbolRef(Expr, ELFRefKind, DarwinRefKind, | |||
| 780 | Addend)) { | |||
| 781 | // If we don't understand the expression, assume the best and | |||
| 782 | // let the fixup and relocation code deal with it. | |||
| 783 | return true; | |||
| 784 | } | |||
| 785 | ||||
| 786 | if (DarwinRefKind == MCSymbolRefExpr::VK_PAGEOFF || | |||
| 787 | ELFRefKind == AArch64MCExpr::VK_LO12 || | |||
| 788 | ELFRefKind == AArch64MCExpr::VK_GOT_LO12 || | |||
| 789 | ELFRefKind == AArch64MCExpr::VK_DTPREL_LO12 || | |||
| 790 | ELFRefKind == AArch64MCExpr::VK_DTPREL_LO12_NC || | |||
| 791 | ELFRefKind == AArch64MCExpr::VK_TPREL_LO12 || | |||
| 792 | ELFRefKind == AArch64MCExpr::VK_TPREL_LO12_NC || | |||
| 793 | ELFRefKind == AArch64MCExpr::VK_GOTTPREL_LO12_NC || | |||
| 794 | ELFRefKind == AArch64MCExpr::VK_TLSDESC_LO12 || | |||
| 795 | ELFRefKind == AArch64MCExpr::VK_SECREL_LO12 || | |||
| 796 | ELFRefKind == AArch64MCExpr::VK_SECREL_HI12 || | |||
| 797 | ELFRefKind == AArch64MCExpr::VK_GOT_PAGE_LO15) { | |||
| 798 | // Note that we don't range-check the addend. It's adjusted modulo page | |||
| 799 | // size when converted, so there is no "out of range" condition when using | |||
| 800 | // @pageoff. | |||
| 801 | return true; | |||
| 802 | } else if (DarwinRefKind == MCSymbolRefExpr::VK_GOTPAGEOFF || | |||
| 803 | DarwinRefKind == MCSymbolRefExpr::VK_TLVPPAGEOFF) { | |||
| 804 | // @gotpageoff/@tlvppageoff can only be used directly, not with an addend. | |||
| 805 | return Addend == 0; | |||
| 806 | } | |||
| 807 | ||||
| 808 | return false; | |||
| 809 | } | |||
| 810 | ||||
| 811 | template <int Scale> bool isUImm12Offset() const { | |||
| 812 | if (!isImm()) | |||
| 813 | return false; | |||
| 814 | ||||
| 815 | const MCConstantExpr *MCE = dyn_cast<MCConstantExpr>(getImm()); | |||
| 816 | if (!MCE) | |||
| 817 | return isSymbolicUImm12Offset(getImm()); | |||
| 818 | ||||
| 819 | int64_t Val = MCE->getValue(); | |||
| 820 | return (Val % Scale) == 0 && Val >= 0 && (Val / Scale) < 0x1000; | |||
| 821 | } | |||
| 822 | ||||
| 823 | template <int N, int M> | |||
| 824 | bool isImmInRange() const { | |||
| 825 | if (!isImm()) | |||
| 826 | return false; | |||
| 827 | const MCConstantExpr *MCE = dyn_cast<MCConstantExpr>(getImm()); | |||
| 828 | if (!MCE) | |||
| 829 | return false; | |||
| 830 | int64_t Val = MCE->getValue(); | |||
| 831 | return (Val >= N && Val <= M); | |||
| 832 | } | |||
| 833 | ||||
| 834 | // NOTE: Also used for isLogicalImmNot as anything that can be represented as | |||
| 835 | // a logical immediate can always be represented when inverted. | |||
| 836 | template <typename T> | |||
| 837 | bool isLogicalImm() const { | |||
| 838 | if (!isImm()) | |||
| 839 | return false; | |||
| 840 | const MCConstantExpr *MCE = dyn_cast<MCConstantExpr>(getImm()); | |||
| 841 | if (!MCE) | |||
| 842 | return false; | |||
| 843 | ||||
| 844 | int64_t Val = MCE->getValue(); | |||
| 845 | // Avoid left shift by 64 directly. | |||
| 846 | uint64_t Upper = UINT64_C(-1)-1UL << (sizeof(T) * 4) << (sizeof(T) * 4); | |||
| 847 | // Allow all-0 or all-1 in top bits to permit bitwise NOT. | |||
| 848 | if ((Val & Upper) && (Val & Upper) != Upper) | |||
| 849 | return false; | |||
| 850 | ||||
| 851 | return AArch64_AM::isLogicalImmediate(Val & ~Upper, sizeof(T) * 8); | |||
| 852 | } | |||
| 853 | ||||
| 854 | bool isShiftedImm() const { return Kind == k_ShiftedImm; } | |||
| 855 | ||||
| 856 | /// Returns the immediate value as a pair of (imm, shift) if the immediate is | |||
| 857 | /// a shifted immediate by value 'Shift' or '0', or if it is an unshifted | |||
| 858 | /// immediate that can be shifted by 'Shift'. | |||
| 859 | template <unsigned Width> | |||
| 860 | Optional<std::pair<int64_t, unsigned> > getShiftedVal() const { | |||
| 861 | if (isShiftedImm() && Width == getShiftedImmShift()) | |||
| 862 | if (auto *CE = dyn_cast<MCConstantExpr>(getShiftedImmVal())) | |||
| 863 | return std::make_pair(CE->getValue(), Width); | |||
| 864 | ||||
| 865 | if (isImm()) | |||
| 866 | if (auto *CE = dyn_cast<MCConstantExpr>(getImm())) { | |||
| 867 | int64_t Val = CE->getValue(); | |||
| 868 | if ((Val != 0) && (uint64_t(Val >> Width) << Width) == uint64_t(Val)) | |||
| 869 | return std::make_pair(Val >> Width, Width); | |||
| 870 | else | |||
| 871 | return std::make_pair(Val, 0u); | |||
| 872 | } | |||
| 873 | ||||
| 874 | return {}; | |||
| 875 | } | |||
| 876 | ||||
| 877 | bool isAddSubImm() const { | |||
| 878 | if (!isShiftedImm() && !isImm()) | |||
| 879 | return false; | |||
| 880 | ||||
| 881 | const MCExpr *Expr; | |||
| 882 | ||||
| 883 | // An ADD/SUB shifter is either 'lsl #0' or 'lsl #12'. | |||
| 884 | if (isShiftedImm()) { | |||
| 885 | unsigned Shift = ShiftedImm.ShiftAmount; | |||
| 886 | Expr = ShiftedImm.Val; | |||
| 887 | if (Shift != 0 && Shift != 12) | |||
| 888 | return false; | |||
| 889 | } else { | |||
| 890 | Expr = getImm(); | |||
| 891 | } | |||
| 892 | ||||
| 893 | AArch64MCExpr::VariantKind ELFRefKind; | |||
| 894 | MCSymbolRefExpr::VariantKind DarwinRefKind; | |||
| 895 | int64_t Addend; | |||
| 896 | if (AArch64AsmParser::classifySymbolRef(Expr, ELFRefKind, | |||
| 897 | DarwinRefKind, Addend)) { | |||
| 898 | return DarwinRefKind == MCSymbolRefExpr::VK_PAGEOFF | |||
| 899 | || DarwinRefKind == MCSymbolRefExpr::VK_TLVPPAGEOFF | |||
| 900 | || (DarwinRefKind == MCSymbolRefExpr::VK_GOTPAGEOFF && Addend == 0) | |||
| 901 | || ELFRefKind == AArch64MCExpr::VK_LO12 | |||
| 902 | || ELFRefKind == AArch64MCExpr::VK_DTPREL_HI12 | |||
| 903 | || ELFRefKind == AArch64MCExpr::VK_DTPREL_LO12 | |||
| 904 | || ELFRefKind == AArch64MCExpr::VK_DTPREL_LO12_NC | |||
| 905 | || ELFRefKind == AArch64MCExpr::VK_TPREL_HI12 | |||
| 906 | || ELFRefKind == AArch64MCExpr::VK_TPREL_LO12 | |||
| 907 | || ELFRefKind == AArch64MCExpr::VK_TPREL_LO12_NC | |||
| 908 | || ELFRefKind == AArch64MCExpr::VK_TLSDESC_LO12 | |||
| 909 | || ELFRefKind == AArch64MCExpr::VK_SECREL_HI12 | |||
| 910 | || ELFRefKind == AArch64MCExpr::VK_SECREL_LO12; | |||
| 911 | } | |||
| 912 | ||||
| 913 | // If it's a constant, it should be a real immediate in range. | |||
| 914 | if (auto ShiftedVal = getShiftedVal<12>()) | |||
| 915 | return ShiftedVal->first >= 0 && ShiftedVal->first <= 0xfff; | |||
| 916 | ||||
| 917 | // If it's an expression, we hope for the best and let the fixup/relocation | |||
| 918 | // code deal with it. | |||
| 919 | return true; | |||
| 920 | } | |||
| 921 | ||||
| 922 | bool isAddSubImmNeg() const { | |||
| 923 | if (!isShiftedImm() && !isImm()) | |||
| 924 | return false; | |||
| 925 | ||||
| 926 | // Otherwise it should be a real negative immediate in range. | |||
| 927 | if (auto ShiftedVal = getShiftedVal<12>()) | |||
| 928 | return ShiftedVal->first < 0 && -ShiftedVal->first <= 0xfff; | |||
| 929 | ||||
| 930 | return false; | |||
| 931 | } | |||
| 932 | ||||
| 933 | // Signed value in the range -128 to +127. For element widths of | |||
| 934 | // 16 bits or higher it may also be a signed multiple of 256 in the | |||
| 935 | // range -32768 to +32512. | |||
| 936 | // For element-width of 8 bits a range of -128 to 255 is accepted, | |||
| 937 | // since a copy of a byte can be either signed/unsigned. | |||
| 938 | template <typename T> | |||
| 939 | DiagnosticPredicate isSVECpyImm() const { | |||
| 940 | if (!isShiftedImm() && (!isImm() || !isa<MCConstantExpr>(getImm()))) | |||
| 941 | return DiagnosticPredicateTy::NoMatch; | |||
| 942 | ||||
| 943 | bool IsByte = std::is_same<int8_t, std::make_signed_t<T>>::value || | |||
| 944 | std::is_same<int8_t, T>::value; | |||
| 945 | if (auto ShiftedImm = getShiftedVal<8>()) | |||
| 946 | if (!(IsByte && ShiftedImm->second) && | |||
| 947 | AArch64_AM::isSVECpyImm<T>(uint64_t(ShiftedImm->first) | |||
| 948 | << ShiftedImm->second)) | |||
| 949 | return DiagnosticPredicateTy::Match; | |||
| 950 | ||||
| 951 | return DiagnosticPredicateTy::NearMatch; | |||
| 952 | } | |||
| 953 | ||||
| 954 | // Unsigned value in the range 0 to 255. For element widths of | |||
| 955 | // 16 bits or higher it may also be a signed multiple of 256 in the | |||
| 956 | // range 0 to 65280. | |||
| 957 | template <typename T> DiagnosticPredicate isSVEAddSubImm() const { | |||
| 958 | if (!isShiftedImm() && (!isImm() || !isa<MCConstantExpr>(getImm()))) | |||
| 959 | return DiagnosticPredicateTy::NoMatch; | |||
| 960 | ||||
| 961 | bool IsByte = std::is_same<int8_t, std::make_signed_t<T>>::value || | |||
| 962 | std::is_same<int8_t, T>::value; | |||
| 963 | if (auto ShiftedImm = getShiftedVal<8>()) | |||
| 964 | if (!(IsByte && ShiftedImm->second) && | |||
| 965 | AArch64_AM::isSVEAddSubImm<T>(ShiftedImm->first | |||
| 966 | << ShiftedImm->second)) | |||
| 967 | return DiagnosticPredicateTy::Match; | |||
| 968 | ||||
| 969 | return DiagnosticPredicateTy::NearMatch; | |||
| 970 | } | |||
| 971 | ||||
| 972 | template <typename T> DiagnosticPredicate isSVEPreferredLogicalImm() const { | |||
| 973 | if (isLogicalImm<T>() && !isSVECpyImm<T>()) | |||
| 974 | return DiagnosticPredicateTy::Match; | |||
| 975 | return DiagnosticPredicateTy::NoMatch; | |||
| 976 | } | |||
| 977 | ||||
| 978 | bool isCondCode() const { return Kind == k_CondCode; } | |||
| 979 | ||||
| 980 | bool isSIMDImmType10() const { | |||
| 981 | if (!isImm()) | |||
| 982 | return false; | |||
| 983 | const MCConstantExpr *MCE = dyn_cast<MCConstantExpr>(getImm()); | |||
| 984 | if (!MCE) | |||
| 985 | return false; | |||
| 986 | return AArch64_AM::isAdvSIMDModImmType10(MCE->getValue()); | |||
| 987 | } | |||
| 988 | ||||
| 989 | template<int N> | |||
| 990 | bool isBranchTarget() const { | |||
| 991 | if (!isImm()) | |||
| 992 | return false; | |||
| 993 | const MCConstantExpr *MCE = dyn_cast<MCConstantExpr>(getImm()); | |||
| 994 | if (!MCE) | |||
| 995 | return true; | |||
| 996 | int64_t Val = MCE->getValue(); | |||
| 997 | if (Val & 0x3) | |||
| 998 | return false; | |||
| 999 | assert(N > 0 && "Branch target immediate cannot be 0 bits!")(static_cast <bool> (N > 0 && "Branch target immediate cannot be 0 bits!" ) ? void (0) : __assert_fail ("N > 0 && \"Branch target immediate cannot be 0 bits!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 999, __extension__ __PRETTY_FUNCTION__)); | |||
| 1000 | return (Val >= -((1<<(N-1)) << 2) && Val <= (((1<<(N-1))-1) << 2)); | |||
| 1001 | } | |||
| 1002 | ||||
| 1003 | bool | |||
| 1004 | isMovWSymbol(ArrayRef<AArch64MCExpr::VariantKind> AllowedModifiers) const { | |||
| 1005 | if (!isImm()) | |||
| 1006 | return false; | |||
| 1007 | ||||
| 1008 | AArch64MCExpr::VariantKind ELFRefKind; | |||
| 1009 | MCSymbolRefExpr::VariantKind DarwinRefKind; | |||
| 1010 | int64_t Addend; | |||
| 1011 | if (!AArch64AsmParser::classifySymbolRef(getImm(), ELFRefKind, | |||
| 1012 | DarwinRefKind, Addend)) { | |||
| 1013 | return false; | |||
| 1014 | } | |||
| 1015 | if (DarwinRefKind != MCSymbolRefExpr::VK_None) | |||
| 1016 | return false; | |||
| 1017 | ||||
| 1018 | for (unsigned i = 0; i != AllowedModifiers.size(); ++i) { | |||
| 1019 | if (ELFRefKind == AllowedModifiers[i]) | |||
| 1020 | return true; | |||
| 1021 | } | |||
| 1022 | ||||
| 1023 | return false; | |||
| 1024 | } | |||
| 1025 | ||||
| 1026 | bool isMovWSymbolG3() const { | |||
| 1027 | return isMovWSymbol({AArch64MCExpr::VK_ABS_G3, AArch64MCExpr::VK_PREL_G3}); | |||
| 1028 | } | |||
| 1029 | ||||
| 1030 | bool isMovWSymbolG2() const { | |||
| 1031 | return isMovWSymbol( | |||
| 1032 | {AArch64MCExpr::VK_ABS_G2, AArch64MCExpr::VK_ABS_G2_S, | |||
| 1033 | AArch64MCExpr::VK_ABS_G2_NC, AArch64MCExpr::VK_PREL_G2, | |||
| 1034 | AArch64MCExpr::VK_PREL_G2_NC, AArch64MCExpr::VK_TPREL_G2, | |||
| 1035 | AArch64MCExpr::VK_DTPREL_G2}); | |||
| 1036 | } | |||
| 1037 | ||||
| 1038 | bool isMovWSymbolG1() const { | |||
| 1039 | return isMovWSymbol( | |||
| 1040 | {AArch64MCExpr::VK_ABS_G1, AArch64MCExpr::VK_ABS_G1_S, | |||
| 1041 | AArch64MCExpr::VK_ABS_G1_NC, AArch64MCExpr::VK_PREL_G1, | |||
| 1042 | AArch64MCExpr::VK_PREL_G1_NC, AArch64MCExpr::VK_GOTTPREL_G1, | |||
| 1043 | AArch64MCExpr::VK_TPREL_G1, AArch64MCExpr::VK_TPREL_G1_NC, | |||
| 1044 | AArch64MCExpr::VK_DTPREL_G1, AArch64MCExpr::VK_DTPREL_G1_NC}); | |||
| 1045 | } | |||
| 1046 | ||||
| 1047 | bool isMovWSymbolG0() const { | |||
| 1048 | return isMovWSymbol( | |||
| 1049 | {AArch64MCExpr::VK_ABS_G0, AArch64MCExpr::VK_ABS_G0_S, | |||
| 1050 | AArch64MCExpr::VK_ABS_G0_NC, AArch64MCExpr::VK_PREL_G0, | |||
| 1051 | AArch64MCExpr::VK_PREL_G0_NC, AArch64MCExpr::VK_GOTTPREL_G0_NC, | |||
| 1052 | AArch64MCExpr::VK_TPREL_G0, AArch64MCExpr::VK_TPREL_G0_NC, | |||
| 1053 | AArch64MCExpr::VK_DTPREL_G0, AArch64MCExpr::VK_DTPREL_G0_NC}); | |||
| 1054 | } | |||
| 1055 | ||||
| 1056 | template<int RegWidth, int Shift> | |||
| 1057 | bool isMOVZMovAlias() const { | |||
| 1058 | if (!isImm()) return false; | |||
| 1059 | ||||
| 1060 | const MCExpr *E = getImm(); | |||
| 1061 | if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(E)) { | |||
| 1062 | uint64_t Value = CE->getValue(); | |||
| 1063 | ||||
| 1064 | return AArch64_AM::isMOVZMovAlias(Value, Shift, RegWidth); | |||
| 1065 | } | |||
| 1066 | // Only supports the case of Shift being 0 if an expression is used as an | |||
| 1067 | // operand | |||
| 1068 | return !Shift && E; | |||
| 1069 | } | |||
| 1070 | ||||
| 1071 | template<int RegWidth, int Shift> | |||
| 1072 | bool isMOVNMovAlias() const { | |||
| 1073 | if (!isImm()) return false; | |||
| 1074 | ||||
| 1075 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | |||
| 1076 | if (!CE) return false; | |||
| 1077 | uint64_t Value = CE->getValue(); | |||
| 1078 | ||||
| 1079 | return AArch64_AM::isMOVNMovAlias(Value, Shift, RegWidth); | |||
| 1080 | } | |||
| 1081 | ||||
| 1082 | bool isFPImm() const { | |||
| 1083 | return Kind == k_FPImm && | |||
| 1084 | AArch64_AM::getFP64Imm(getFPImm().bitcastToAPInt()) != -1; | |||
| 1085 | } | |||
| 1086 | ||||
| 1087 | bool isBarrier() const { | |||
| 1088 | return Kind == k_Barrier && !getBarriernXSModifier(); | |||
| 1089 | } | |||
| 1090 | bool isBarriernXS() const { | |||
| 1091 | return Kind == k_Barrier && getBarriernXSModifier(); | |||
| 1092 | } | |||
| 1093 | bool isSysReg() const { return Kind == k_SysReg; } | |||
| 1094 | ||||
| 1095 | bool isMRSSystemRegister() const { | |||
| 1096 | if (!isSysReg()) return false; | |||
| 1097 | ||||
| 1098 | return SysReg.MRSReg != -1U; | |||
| 1099 | } | |||
| 1100 | ||||
| 1101 | bool isMSRSystemRegister() const { | |||
| 1102 | if (!isSysReg()) return false; | |||
| 1103 | return SysReg.MSRReg != -1U; | |||
| 1104 | } | |||
| 1105 | ||||
| 1106 | bool isSystemPStateFieldWithImm0_1() const { | |||
| 1107 | if (!isSysReg()) return false; | |||
| 1108 | return (SysReg.PStateField == AArch64PState::PAN || | |||
| 1109 | SysReg.PStateField == AArch64PState::DIT || | |||
| 1110 | SysReg.PStateField == AArch64PState::UAO || | |||
| 1111 | SysReg.PStateField == AArch64PState::SSBS); | |||
| 1112 | } | |||
| 1113 | ||||
| 1114 | bool isSystemPStateFieldWithImm0_15() const { | |||
| 1115 | if (!isSysReg() || isSystemPStateFieldWithImm0_1()) return false; | |||
| 1116 | return SysReg.PStateField != -1U; | |||
| 1117 | } | |||
| 1118 | ||||
| 1119 | bool isSVCR() const { | |||
| 1120 | if (Kind != k_SVCR) | |||
| 1121 | return false; | |||
| 1122 | return SVCR.PStateField != -1U; | |||
| 1123 | } | |||
| 1124 | ||||
| 1125 | bool isReg() const override { | |||
| 1126 | return Kind == k_Register; | |||
| 1127 | } | |||
| 1128 | ||||
| 1129 | bool isScalarReg() const { | |||
| 1130 | return Kind == k_Register && Reg.Kind == RegKind::Scalar; | |||
| 1131 | } | |||
| 1132 | ||||
| 1133 | bool isNeonVectorReg() const { | |||
| 1134 | return Kind == k_Register && Reg.Kind == RegKind::NeonVector; | |||
| 1135 | } | |||
| 1136 | ||||
| 1137 | bool isNeonVectorRegLo() const { | |||
| 1138 | return Kind == k_Register && Reg.Kind == RegKind::NeonVector && | |||
| 1139 | (AArch64MCRegisterClasses[AArch64::FPR128_loRegClassID].contains( | |||
| 1140 | Reg.RegNum) || | |||
| 1141 | AArch64MCRegisterClasses[AArch64::FPR64_loRegClassID].contains( | |||
| 1142 | Reg.RegNum)); | |||
| 1143 | } | |||
| 1144 | ||||
| 1145 | bool isMatrix() const { return Kind == k_MatrixRegister; } | |||
| 1146 | ||||
| 1147 | template <unsigned Class> bool isSVEVectorReg() const { | |||
| 1148 | RegKind RK; | |||
| 1149 | switch (Class) { | |||
| 1150 | case AArch64::ZPRRegClassID: | |||
| 1151 | case AArch64::ZPR_3bRegClassID: | |||
| 1152 | case AArch64::ZPR_4bRegClassID: | |||
| 1153 | RK = RegKind::SVEDataVector; | |||
| 1154 | break; | |||
| 1155 | case AArch64::PPRRegClassID: | |||
| 1156 | case AArch64::PPR_3bRegClassID: | |||
| 1157 | RK = RegKind::SVEPredicateVector; | |||
| 1158 | break; | |||
| 1159 | default: | |||
| 1160 | llvm_unreachable("Unsupport register class")::llvm::llvm_unreachable_internal("Unsupport register class", "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1160); | |||
| 1161 | } | |||
| 1162 | ||||
| 1163 | return (Kind == k_Register && Reg.Kind == RK) && | |||
| 1164 | AArch64MCRegisterClasses[Class].contains(getReg()); | |||
| 1165 | } | |||
| 1166 | ||||
| 1167 | template <unsigned Class> bool isFPRasZPR() const { | |||
| 1168 | return Kind == k_Register && Reg.Kind == RegKind::Scalar && | |||
| 1169 | AArch64MCRegisterClasses[Class].contains(getReg()); | |||
| 1170 | } | |||
| 1171 | ||||
| 1172 | template <int ElementWidth, unsigned Class> | |||
| 1173 | DiagnosticPredicate isSVEPredicateVectorRegOfWidth() const { | |||
| 1174 | if (Kind != k_Register || Reg.Kind != RegKind::SVEPredicateVector) | |||
| 1175 | return DiagnosticPredicateTy::NoMatch; | |||
| 1176 | ||||
| 1177 | if (isSVEVectorReg<Class>() && (Reg.ElementWidth == ElementWidth)) | |||
| 1178 | return DiagnosticPredicateTy::Match; | |||
| 1179 | ||||
| 1180 | return DiagnosticPredicateTy::NearMatch; | |||
| 1181 | } | |||
| 1182 | ||||
| 1183 | template <int ElementWidth, unsigned Class> | |||
| 1184 | DiagnosticPredicate isSVEDataVectorRegOfWidth() const { | |||
| 1185 | if (Kind != k_Register || Reg.Kind != RegKind::SVEDataVector) | |||
| 1186 | return DiagnosticPredicateTy::NoMatch; | |||
| 1187 | ||||
| 1188 | if (isSVEVectorReg<Class>() && Reg.ElementWidth == ElementWidth) | |||
| 1189 | return DiagnosticPredicateTy::Match; | |||
| 1190 | ||||
| 1191 | return DiagnosticPredicateTy::NearMatch; | |||
| 1192 | } | |||
| 1193 | ||||
| 1194 | template <int ElementWidth, unsigned Class, | |||
| 1195 | AArch64_AM::ShiftExtendType ShiftExtendTy, int ShiftWidth, | |||
| 1196 | bool ShiftWidthAlwaysSame> | |||
| 1197 | DiagnosticPredicate isSVEDataVectorRegWithShiftExtend() const { | |||
| 1198 | auto VectorMatch = isSVEDataVectorRegOfWidth<ElementWidth, Class>(); | |||
| 1199 | if (!VectorMatch.isMatch()) | |||
| 1200 | return DiagnosticPredicateTy::NoMatch; | |||
| 1201 | ||||
| 1202 | // Give a more specific diagnostic when the user has explicitly typed in | |||
| 1203 | // a shift-amount that does not match what is expected, but for which | |||
| 1204 | // there is also an unscaled addressing mode (e.g. sxtw/uxtw). | |||
| 1205 | bool MatchShift = getShiftExtendAmount() == Log2_32(ShiftWidth / 8); | |||
| 1206 | if (!MatchShift && (ShiftExtendTy == AArch64_AM::UXTW || | |||
| 1207 | ShiftExtendTy == AArch64_AM::SXTW) && | |||
| 1208 | !ShiftWidthAlwaysSame && hasShiftExtendAmount() && ShiftWidth == 8) | |||
| 1209 | return DiagnosticPredicateTy::NoMatch; | |||
| 1210 | ||||
| 1211 | if (MatchShift && ShiftExtendTy == getShiftExtendType()) | |||
| 1212 | return DiagnosticPredicateTy::Match; | |||
| 1213 | ||||
| 1214 | return DiagnosticPredicateTy::NearMatch; | |||
| 1215 | } | |||
| 1216 | ||||
| 1217 | bool isGPR32as64() const { | |||
| 1218 | return Kind == k_Register && Reg.Kind == RegKind::Scalar && | |||
| 1219 | AArch64MCRegisterClasses[AArch64::GPR64RegClassID].contains(Reg.RegNum); | |||
| 1220 | } | |||
| 1221 | ||||
| 1222 | bool isGPR64as32() const { | |||
| 1223 | return Kind == k_Register && Reg.Kind == RegKind::Scalar && | |||
| 1224 | AArch64MCRegisterClasses[AArch64::GPR32RegClassID].contains(Reg.RegNum); | |||
| 1225 | } | |||
| 1226 | ||||
| 1227 | bool isGPR64x8() const { | |||
| 1228 | return Kind == k_Register && Reg.Kind == RegKind::Scalar && | |||
| 1229 | AArch64MCRegisterClasses[AArch64::GPR64x8ClassRegClassID].contains( | |||
| 1230 | Reg.RegNum); | |||
| 1231 | } | |||
| 1232 | ||||
| 1233 | bool isWSeqPair() const { | |||
| 1234 | return Kind == k_Register && Reg.Kind == RegKind::Scalar && | |||
| 1235 | AArch64MCRegisterClasses[AArch64::WSeqPairsClassRegClassID].contains( | |||
| 1236 | Reg.RegNum); | |||
| 1237 | } | |||
| 1238 | ||||
| 1239 | bool isXSeqPair() const { | |||
| 1240 | return Kind == k_Register && Reg.Kind == RegKind::Scalar && | |||
| 1241 | AArch64MCRegisterClasses[AArch64::XSeqPairsClassRegClassID].contains( | |||
| 1242 | Reg.RegNum); | |||
| 1243 | } | |||
| 1244 | ||||
| 1245 | template<int64_t Angle, int64_t Remainder> | |||
| 1246 | DiagnosticPredicate isComplexRotation() const { | |||
| 1247 | if (!isImm()) return DiagnosticPredicateTy::NoMatch; | |||
| 1248 | ||||
| 1249 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | |||
| 1250 | if (!CE) return DiagnosticPredicateTy::NoMatch; | |||
| 1251 | uint64_t Value = CE->getValue(); | |||
| 1252 | ||||
| 1253 | if (Value % Angle == Remainder && Value <= 270) | |||
| 1254 | return DiagnosticPredicateTy::Match; | |||
| 1255 | return DiagnosticPredicateTy::NearMatch; | |||
| 1256 | } | |||
| 1257 | ||||
| 1258 | template <unsigned RegClassID> bool isGPR64() const { | |||
| 1259 | return Kind == k_Register && Reg.Kind == RegKind::Scalar && | |||
| 1260 | AArch64MCRegisterClasses[RegClassID].contains(getReg()); | |||
| 1261 | } | |||
| 1262 | ||||
| 1263 | template <unsigned RegClassID, int ExtWidth> | |||
| 1264 | DiagnosticPredicate isGPR64WithShiftExtend() const { | |||
| 1265 | if (Kind != k_Register || Reg.Kind != RegKind::Scalar) | |||
| 1266 | return DiagnosticPredicateTy::NoMatch; | |||
| 1267 | ||||
| 1268 | if (isGPR64<RegClassID>() && getShiftExtendType() == AArch64_AM::LSL && | |||
| 1269 | getShiftExtendAmount() == Log2_32(ExtWidth / 8)) | |||
| 1270 | return DiagnosticPredicateTy::Match; | |||
| 1271 | return DiagnosticPredicateTy::NearMatch; | |||
| 1272 | } | |||
| 1273 | ||||
| 1274 | /// Is this a vector list with the type implicit (presumably attached to the | |||
| 1275 | /// instruction itself)? | |||
| 1276 | template <RegKind VectorKind, unsigned NumRegs> | |||
| 1277 | bool isImplicitlyTypedVectorList() const { | |||
| 1278 | return Kind == k_VectorList && VectorList.Count == NumRegs && | |||
| 1279 | VectorList.NumElements == 0 && | |||
| 1280 | VectorList.RegisterKind == VectorKind; | |||
| 1281 | } | |||
| 1282 | ||||
| 1283 | template <RegKind VectorKind, unsigned NumRegs, unsigned NumElements, | |||
| 1284 | unsigned ElementWidth> | |||
| 1285 | bool isTypedVectorList() const { | |||
| 1286 | if (Kind != k_VectorList) | |||
| 1287 | return false; | |||
| 1288 | if (VectorList.Count != NumRegs) | |||
| 1289 | return false; | |||
| 1290 | if (VectorList.RegisterKind != VectorKind) | |||
| 1291 | return false; | |||
| 1292 | if (VectorList.ElementWidth != ElementWidth) | |||
| 1293 | return false; | |||
| 1294 | return VectorList.NumElements == NumElements; | |||
| 1295 | } | |||
| 1296 | ||||
| 1297 | template <int Min, int Max> | |||
| 1298 | DiagnosticPredicate isVectorIndex() const { | |||
| 1299 | if (Kind != k_VectorIndex) | |||
| 1300 | return DiagnosticPredicateTy::NoMatch; | |||
| 1301 | if (VectorIndex.Val >= Min && VectorIndex.Val <= Max) | |||
| 1302 | return DiagnosticPredicateTy::Match; | |||
| 1303 | return DiagnosticPredicateTy::NearMatch; | |||
| 1304 | } | |||
| 1305 | ||||
| 1306 | bool isToken() const override { return Kind == k_Token; } | |||
| 1307 | ||||
| 1308 | bool isTokenEqual(StringRef Str) const { | |||
| 1309 | return Kind == k_Token && getToken() == Str; | |||
| 1310 | } | |||
| 1311 | bool isSysCR() const { return Kind == k_SysCR; } | |||
| 1312 | bool isPrefetch() const { return Kind == k_Prefetch; } | |||
| 1313 | bool isPSBHint() const { return Kind == k_PSBHint; } | |||
| 1314 | bool isBTIHint() const { return Kind == k_BTIHint; } | |||
| 1315 | bool isShiftExtend() const { return Kind == k_ShiftExtend; } | |||
| 1316 | bool isShifter() const { | |||
| 1317 | if (!isShiftExtend()) | |||
| 1318 | return false; | |||
| 1319 | ||||
| 1320 | AArch64_AM::ShiftExtendType ST = getShiftExtendType(); | |||
| 1321 | return (ST == AArch64_AM::LSL || ST == AArch64_AM::LSR || | |||
| 1322 | ST == AArch64_AM::ASR || ST == AArch64_AM::ROR || | |||
| 1323 | ST == AArch64_AM::MSL); | |||
| 1324 | } | |||
| 1325 | ||||
| 1326 | template <unsigned ImmEnum> DiagnosticPredicate isExactFPImm() const { | |||
| 1327 | if (Kind != k_FPImm) | |||
| 1328 | return DiagnosticPredicateTy::NoMatch; | |||
| 1329 | ||||
| 1330 | if (getFPImmIsExact()) { | |||
| 1331 | // Lookup the immediate from table of supported immediates. | |||
| 1332 | auto *Desc = AArch64ExactFPImm::lookupExactFPImmByEnum(ImmEnum); | |||
| 1333 | assert(Desc && "Unknown enum value")(static_cast <bool> (Desc && "Unknown enum value" ) ? void (0) : __assert_fail ("Desc && \"Unknown enum value\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1333, __extension__ __PRETTY_FUNCTION__)); | |||
| 1334 | ||||
| 1335 | // Calculate its FP value. | |||
| 1336 | APFloat RealVal(APFloat::IEEEdouble()); | |||
| 1337 | auto StatusOrErr = | |||
| 1338 | RealVal.convertFromString(Desc->Repr, APFloat::rmTowardZero); | |||
| 1339 | if (errorToBool(StatusOrErr.takeError()) || *StatusOrErr != APFloat::opOK) | |||
| 1340 | llvm_unreachable("FP immediate is not exact")::llvm::llvm_unreachable_internal("FP immediate is not exact" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1340); | |||
| 1341 | ||||
| 1342 | if (getFPImm().bitwiseIsEqual(RealVal)) | |||
| 1343 | return DiagnosticPredicateTy::Match; | |||
| 1344 | } | |||
| 1345 | ||||
| 1346 | return DiagnosticPredicateTy::NearMatch; | |||
| 1347 | } | |||
| 1348 | ||||
| 1349 | template <unsigned ImmA, unsigned ImmB> | |||
| 1350 | DiagnosticPredicate isExactFPImm() const { | |||
| 1351 | DiagnosticPredicate Res = DiagnosticPredicateTy::NoMatch; | |||
| 1352 | if ((Res = isExactFPImm<ImmA>())) | |||
| 1353 | return DiagnosticPredicateTy::Match; | |||
| 1354 | if ((Res = isExactFPImm<ImmB>())) | |||
| 1355 | return DiagnosticPredicateTy::Match; | |||
| 1356 | return Res; | |||
| 1357 | } | |||
| 1358 | ||||
| 1359 | bool isExtend() const { | |||
| 1360 | if (!isShiftExtend()) | |||
| 1361 | return false; | |||
| 1362 | ||||
| 1363 | AArch64_AM::ShiftExtendType ET = getShiftExtendType(); | |||
| 1364 | return (ET == AArch64_AM::UXTB || ET == AArch64_AM::SXTB || | |||
| 1365 | ET == AArch64_AM::UXTH || ET == AArch64_AM::SXTH || | |||
| 1366 | ET == AArch64_AM::UXTW || ET == AArch64_AM::SXTW || | |||
| 1367 | ET == AArch64_AM::UXTX || ET == AArch64_AM::SXTX || | |||
| 1368 | ET == AArch64_AM::LSL) && | |||
| 1369 | getShiftExtendAmount() <= 4; | |||
| 1370 | } | |||
| 1371 | ||||
| 1372 | bool isExtend64() const { | |||
| 1373 | if (!isExtend()) | |||
| 1374 | return false; | |||
| 1375 | // Make sure the extend expects a 32-bit source register. | |||
| 1376 | AArch64_AM::ShiftExtendType ET = getShiftExtendType(); | |||
| 1377 | return ET == AArch64_AM::UXTB || ET == AArch64_AM::SXTB || | |||
| 1378 | ET == AArch64_AM::UXTH || ET == AArch64_AM::SXTH || | |||
| 1379 | ET == AArch64_AM::UXTW || ET == AArch64_AM::SXTW; | |||
| 1380 | } | |||
| 1381 | ||||
| 1382 | bool isExtendLSL64() const { | |||
| 1383 | if (!isExtend()) | |||
| 1384 | return false; | |||
| 1385 | AArch64_AM::ShiftExtendType ET = getShiftExtendType(); | |||
| 1386 | return (ET == AArch64_AM::UXTX || ET == AArch64_AM::SXTX || | |||
| 1387 | ET == AArch64_AM::LSL) && | |||
| 1388 | getShiftExtendAmount() <= 4; | |||
| 1389 | } | |||
| 1390 | ||||
| 1391 | template<int Width> bool isMemXExtend() const { | |||
| 1392 | if (!isExtend()) | |||
| 1393 | return false; | |||
| 1394 | AArch64_AM::ShiftExtendType ET = getShiftExtendType(); | |||
| 1395 | return (ET == AArch64_AM::LSL || ET == AArch64_AM::SXTX) && | |||
| 1396 | (getShiftExtendAmount() == Log2_32(Width / 8) || | |||
| 1397 | getShiftExtendAmount() == 0); | |||
| 1398 | } | |||
| 1399 | ||||
| 1400 | template<int Width> bool isMemWExtend() const { | |||
| 1401 | if (!isExtend()) | |||
| 1402 | return false; | |||
| 1403 | AArch64_AM::ShiftExtendType ET = getShiftExtendType(); | |||
| 1404 | return (ET == AArch64_AM::UXTW || ET == AArch64_AM::SXTW) && | |||
| 1405 | (getShiftExtendAmount() == Log2_32(Width / 8) || | |||
| 1406 | getShiftExtendAmount() == 0); | |||
| 1407 | } | |||
| 1408 | ||||
| 1409 | template <unsigned width> | |||
| 1410 | bool isArithmeticShifter() const { | |||
| 1411 | if (!isShifter()) | |||
| 1412 | return false; | |||
| 1413 | ||||
| 1414 | // An arithmetic shifter is LSL, LSR, or ASR. | |||
| 1415 | AArch64_AM::ShiftExtendType ST = getShiftExtendType(); | |||
| 1416 | return (ST == AArch64_AM::LSL || ST == AArch64_AM::LSR || | |||
| 1417 | ST == AArch64_AM::ASR) && getShiftExtendAmount() < width; | |||
| 1418 | } | |||
| 1419 | ||||
| 1420 | template <unsigned width> | |||
| 1421 | bool isLogicalShifter() const { | |||
| 1422 | if (!isShifter()) | |||
| 1423 | return false; | |||
| 1424 | ||||
| 1425 | // A logical shifter is LSL, LSR, ASR or ROR. | |||
| 1426 | AArch64_AM::ShiftExtendType ST = getShiftExtendType(); | |||
| 1427 | return (ST == AArch64_AM::LSL || ST == AArch64_AM::LSR || | |||
| 1428 | ST == AArch64_AM::ASR || ST == AArch64_AM::ROR) && | |||
| 1429 | getShiftExtendAmount() < width; | |||
| 1430 | } | |||
| 1431 | ||||
| 1432 | bool isMovImm32Shifter() const { | |||
| 1433 | if (!isShifter()) | |||
| 1434 | return false; | |||
| 1435 | ||||
| 1436 | // A MOVi shifter is LSL of 0, 16, 32, or 48. | |||
| 1437 | AArch64_AM::ShiftExtendType ST = getShiftExtendType(); | |||
| 1438 | if (ST != AArch64_AM::LSL) | |||
| 1439 | return false; | |||
| 1440 | uint64_t Val = getShiftExtendAmount(); | |||
| 1441 | return (Val == 0 || Val == 16); | |||
| 1442 | } | |||
| 1443 | ||||
| 1444 | bool isMovImm64Shifter() const { | |||
| 1445 | if (!isShifter()) | |||
| 1446 | return false; | |||
| 1447 | ||||
| 1448 | // A MOVi shifter is LSL of 0 or 16. | |||
| 1449 | AArch64_AM::ShiftExtendType ST = getShiftExtendType(); | |||
| 1450 | if (ST != AArch64_AM::LSL) | |||
| 1451 | return false; | |||
| 1452 | uint64_t Val = getShiftExtendAmount(); | |||
| 1453 | return (Val == 0 || Val == 16 || Val == 32 || Val == 48); | |||
| 1454 | } | |||
| 1455 | ||||
| 1456 | bool isLogicalVecShifter() const { | |||
| 1457 | if (!isShifter()) | |||
| 1458 | return false; | |||
| 1459 | ||||
| 1460 | // A logical vector shifter is a left shift by 0, 8, 16, or 24. | |||
| 1461 | unsigned Shift = getShiftExtendAmount(); | |||
| 1462 | return getShiftExtendType() == AArch64_AM::LSL && | |||
| 1463 | (Shift == 0 || Shift == 8 || Shift == 16 || Shift == 24); | |||
| 1464 | } | |||
| 1465 | ||||
| 1466 | bool isLogicalVecHalfWordShifter() const { | |||
| 1467 | if (!isLogicalVecShifter()) | |||
| 1468 | return false; | |||
| 1469 | ||||
| 1470 | // A logical vector shifter is a left shift by 0 or 8. | |||
| 1471 | unsigned Shift = getShiftExtendAmount(); | |||
| 1472 | return getShiftExtendType() == AArch64_AM::LSL && | |||
| 1473 | (Shift == 0 || Shift == 8); | |||
| 1474 | } | |||
| 1475 | ||||
| 1476 | bool isMoveVecShifter() const { | |||
| 1477 | if (!isShiftExtend()) | |||
| 1478 | return false; | |||
| 1479 | ||||
| 1480 | // A logical vector shifter is a left shift by 8 or 16. | |||
| 1481 | unsigned Shift = getShiftExtendAmount(); | |||
| 1482 | return getShiftExtendType() == AArch64_AM::MSL && | |||
| 1483 | (Shift == 8 || Shift == 16); | |||
| 1484 | } | |||
| 1485 | ||||
| 1486 | // Fallback unscaled operands are for aliases of LDR/STR that fall back | |||
| 1487 | // to LDUR/STUR when the offset is not legal for the former but is for | |||
| 1488 | // the latter. As such, in addition to checking for being a legal unscaled | |||
| 1489 | // address, also check that it is not a legal scaled address. This avoids | |||
| 1490 | // ambiguity in the matcher. | |||
| 1491 | template<int Width> | |||
| 1492 | bool isSImm9OffsetFB() const { | |||
| 1493 | return isSImm<9>() && !isUImm12Offset<Width / 8>(); | |||
| 1494 | } | |||
| 1495 | ||||
| 1496 | bool isAdrpLabel() const { | |||
| 1497 | // Validation was handled during parsing, so we just sanity check that | |||
| 1498 | // something didn't go haywire. | |||
| 1499 | if (!isImm()) | |||
| 1500 | return false; | |||
| 1501 | ||||
| 1502 | if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Imm.Val)) { | |||
| 1503 | int64_t Val = CE->getValue(); | |||
| 1504 | int64_t Min = - (4096 * (1LL << (21 - 1))); | |||
| 1505 | int64_t Max = 4096 * ((1LL << (21 - 1)) - 1); | |||
| 1506 | return (Val % 4096) == 0 && Val >= Min && Val <= Max; | |||
| 1507 | } | |||
| 1508 | ||||
| 1509 | return true; | |||
| 1510 | } | |||
| 1511 | ||||
| 1512 | bool isAdrLabel() const { | |||
| 1513 | // Validation was handled during parsing, so we just sanity check that | |||
| 1514 | // something didn't go haywire. | |||
| 1515 | if (!isImm()) | |||
| 1516 | return false; | |||
| 1517 | ||||
| 1518 | if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Imm.Val)) { | |||
| 1519 | int64_t Val = CE->getValue(); | |||
| 1520 | int64_t Min = - (1LL << (21 - 1)); | |||
| 1521 | int64_t Max = ((1LL << (21 - 1)) - 1); | |||
| 1522 | return Val >= Min && Val <= Max; | |||
| 1523 | } | |||
| 1524 | ||||
| 1525 | return true; | |||
| 1526 | } | |||
| 1527 | ||||
| 1528 | template <MatrixKind Kind, unsigned EltSize, unsigned RegClass> | |||
| 1529 | DiagnosticPredicate isMatrixRegOperand() const { | |||
| 1530 | if (!isMatrix()) | |||
| 1531 | return DiagnosticPredicateTy::NoMatch; | |||
| 1532 | if (getMatrixKind() != Kind || | |||
| 1533 | !AArch64MCRegisterClasses[RegClass].contains(getMatrixReg()) || | |||
| 1534 | EltSize != getMatrixElementWidth()) | |||
| 1535 | return DiagnosticPredicateTy::NearMatch; | |||
| 1536 | return DiagnosticPredicateTy::Match; | |||
| 1537 | } | |||
| 1538 | ||||
| 1539 | void addExpr(MCInst &Inst, const MCExpr *Expr) const { | |||
| 1540 | // Add as immediates when possible. Null MCExpr = 0. | |||
| 1541 | if (!Expr) | |||
| 1542 | Inst.addOperand(MCOperand::createImm(0)); | |||
| 1543 | else if (const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(Expr)) | |||
| 1544 | Inst.addOperand(MCOperand::createImm(CE->getValue())); | |||
| 1545 | else | |||
| 1546 | Inst.addOperand(MCOperand::createExpr(Expr)); | |||
| 1547 | } | |||
| 1548 | ||||
| 1549 | void addRegOperands(MCInst &Inst, unsigned N) const { | |||
| 1550 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1550, __extension__ __PRETTY_FUNCTION__)); | |||
| 1551 | Inst.addOperand(MCOperand::createReg(getReg())); | |||
| 1552 | } | |||
| 1553 | ||||
| 1554 | void addMatrixOperands(MCInst &Inst, unsigned N) const { | |||
| 1555 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1555, __extension__ __PRETTY_FUNCTION__)); | |||
| 1556 | Inst.addOperand(MCOperand::createReg(getMatrixReg())); | |||
| 1557 | } | |||
| 1558 | ||||
| 1559 | void addGPR32as64Operands(MCInst &Inst, unsigned N) const { | |||
| 1560 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1560, __extension__ __PRETTY_FUNCTION__)); | |||
| 1561 | assert((static_cast <bool> (AArch64MCRegisterClasses[AArch64:: GPR64RegClassID].contains(getReg())) ? void (0) : __assert_fail ("AArch64MCRegisterClasses[AArch64::GPR64RegClassID].contains(getReg())" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1562, __extension__ __PRETTY_FUNCTION__)) | |||
| 1562 | AArch64MCRegisterClasses[AArch64::GPR64RegClassID].contains(getReg()))(static_cast <bool> (AArch64MCRegisterClasses[AArch64:: GPR64RegClassID].contains(getReg())) ? void (0) : __assert_fail ("AArch64MCRegisterClasses[AArch64::GPR64RegClassID].contains(getReg())" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1562, __extension__ __PRETTY_FUNCTION__)); | |||
| 1563 | ||||
| 1564 | const MCRegisterInfo *RI = Ctx.getRegisterInfo(); | |||
| 1565 | uint32_t Reg = RI->getRegClass(AArch64::GPR32RegClassID).getRegister( | |||
| 1566 | RI->getEncodingValue(getReg())); | |||
| 1567 | ||||
| 1568 | Inst.addOperand(MCOperand::createReg(Reg)); | |||
| 1569 | } | |||
| 1570 | ||||
| 1571 | void addGPR64as32Operands(MCInst &Inst, unsigned N) const { | |||
| 1572 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1572, __extension__ __PRETTY_FUNCTION__)); | |||
| 1573 | assert((static_cast <bool> (AArch64MCRegisterClasses[AArch64:: GPR32RegClassID].contains(getReg())) ? void (0) : __assert_fail ("AArch64MCRegisterClasses[AArch64::GPR32RegClassID].contains(getReg())" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1574, __extension__ __PRETTY_FUNCTION__)) | |||
| 1574 | AArch64MCRegisterClasses[AArch64::GPR32RegClassID].contains(getReg()))(static_cast <bool> (AArch64MCRegisterClasses[AArch64:: GPR32RegClassID].contains(getReg())) ? void (0) : __assert_fail ("AArch64MCRegisterClasses[AArch64::GPR32RegClassID].contains(getReg())" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1574, __extension__ __PRETTY_FUNCTION__)); | |||
| 1575 | ||||
| 1576 | const MCRegisterInfo *RI = Ctx.getRegisterInfo(); | |||
| 1577 | uint32_t Reg = RI->getRegClass(AArch64::GPR64RegClassID).getRegister( | |||
| 1578 | RI->getEncodingValue(getReg())); | |||
| 1579 | ||||
| 1580 | Inst.addOperand(MCOperand::createReg(Reg)); | |||
| 1581 | } | |||
| 1582 | ||||
| 1583 | template <int Width> | |||
| 1584 | void addFPRasZPRRegOperands(MCInst &Inst, unsigned N) const { | |||
| 1585 | unsigned Base; | |||
| 1586 | switch (Width) { | |||
| 1587 | case 8: Base = AArch64::B0; break; | |||
| 1588 | case 16: Base = AArch64::H0; break; | |||
| 1589 | case 32: Base = AArch64::S0; break; | |||
| 1590 | case 64: Base = AArch64::D0; break; | |||
| 1591 | case 128: Base = AArch64::Q0; break; | |||
| 1592 | default: | |||
| 1593 | llvm_unreachable("Unsupported width")::llvm::llvm_unreachable_internal("Unsupported width", "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1593); | |||
| 1594 | } | |||
| 1595 | Inst.addOperand(MCOperand::createReg(AArch64::Z0 + getReg() - Base)); | |||
| 1596 | } | |||
| 1597 | ||||
| 1598 | void addVectorReg64Operands(MCInst &Inst, unsigned N) const { | |||
| 1599 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1599, __extension__ __PRETTY_FUNCTION__)); | |||
| 1600 | assert((static_cast <bool> (AArch64MCRegisterClasses[AArch64:: FPR128RegClassID].contains(getReg())) ? void (0) : __assert_fail ("AArch64MCRegisterClasses[AArch64::FPR128RegClassID].contains(getReg())" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1601, __extension__ __PRETTY_FUNCTION__)) | |||
| 1601 | AArch64MCRegisterClasses[AArch64::FPR128RegClassID].contains(getReg()))(static_cast <bool> (AArch64MCRegisterClasses[AArch64:: FPR128RegClassID].contains(getReg())) ? void (0) : __assert_fail ("AArch64MCRegisterClasses[AArch64::FPR128RegClassID].contains(getReg())" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1601, __extension__ __PRETTY_FUNCTION__)); | |||
| 1602 | Inst.addOperand(MCOperand::createReg(AArch64::D0 + getReg() - AArch64::Q0)); | |||
| 1603 | } | |||
| 1604 | ||||
| 1605 | void addVectorReg128Operands(MCInst &Inst, unsigned N) const { | |||
| 1606 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1606, __extension__ __PRETTY_FUNCTION__)); | |||
| 1607 | assert((static_cast <bool> (AArch64MCRegisterClasses[AArch64:: FPR128RegClassID].contains(getReg())) ? void (0) : __assert_fail ("AArch64MCRegisterClasses[AArch64::FPR128RegClassID].contains(getReg())" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1608, __extension__ __PRETTY_FUNCTION__)) | |||
| 1608 | AArch64MCRegisterClasses[AArch64::FPR128RegClassID].contains(getReg()))(static_cast <bool> (AArch64MCRegisterClasses[AArch64:: FPR128RegClassID].contains(getReg())) ? void (0) : __assert_fail ("AArch64MCRegisterClasses[AArch64::FPR128RegClassID].contains(getReg())" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1608, __extension__ __PRETTY_FUNCTION__)); | |||
| 1609 | Inst.addOperand(MCOperand::createReg(getReg())); | |||
| 1610 | } | |||
| 1611 | ||||
| 1612 | void addVectorRegLoOperands(MCInst &Inst, unsigned N) const { | |||
| 1613 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1613, __extension__ __PRETTY_FUNCTION__)); | |||
| 1614 | Inst.addOperand(MCOperand::createReg(getReg())); | |||
| 1615 | } | |||
| 1616 | ||||
| 1617 | enum VecListIndexType { | |||
| 1618 | VecListIdx_DReg = 0, | |||
| 1619 | VecListIdx_QReg = 1, | |||
| 1620 | VecListIdx_ZReg = 2, | |||
| 1621 | }; | |||
| 1622 | ||||
| 1623 | template <VecListIndexType RegTy, unsigned NumRegs> | |||
| 1624 | void addVectorListOperands(MCInst &Inst, unsigned N) const { | |||
| 1625 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1625, __extension__ __PRETTY_FUNCTION__)); | |||
| 1626 | static const unsigned FirstRegs[][5] = { | |||
| 1627 | /* DReg */ { AArch64::Q0, | |||
| 1628 | AArch64::D0, AArch64::D0_D1, | |||
| 1629 | AArch64::D0_D1_D2, AArch64::D0_D1_D2_D3 }, | |||
| 1630 | /* QReg */ { AArch64::Q0, | |||
| 1631 | AArch64::Q0, AArch64::Q0_Q1, | |||
| 1632 | AArch64::Q0_Q1_Q2, AArch64::Q0_Q1_Q2_Q3 }, | |||
| 1633 | /* ZReg */ { AArch64::Z0, | |||
| 1634 | AArch64::Z0, AArch64::Z0_Z1, | |||
| 1635 | AArch64::Z0_Z1_Z2, AArch64::Z0_Z1_Z2_Z3 } | |||
| 1636 | }; | |||
| 1637 | ||||
| 1638 | assert((RegTy != VecListIdx_ZReg || NumRegs <= 4) &&(static_cast <bool> ((RegTy != VecListIdx_ZReg || NumRegs <= 4) && " NumRegs must be <= 4 for ZRegs") ? void (0) : __assert_fail ("(RegTy != VecListIdx_ZReg || NumRegs <= 4) && \" NumRegs must be <= 4 for ZRegs\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1639, __extension__ __PRETTY_FUNCTION__)) | |||
| 1639 | " NumRegs must be <= 4 for ZRegs")(static_cast <bool> ((RegTy != VecListIdx_ZReg || NumRegs <= 4) && " NumRegs must be <= 4 for ZRegs") ? void (0) : __assert_fail ("(RegTy != VecListIdx_ZReg || NumRegs <= 4) && \" NumRegs must be <= 4 for ZRegs\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1639, __extension__ __PRETTY_FUNCTION__)); | |||
| 1640 | ||||
| 1641 | unsigned FirstReg = FirstRegs[(unsigned)RegTy][NumRegs]; | |||
| 1642 | Inst.addOperand(MCOperand::createReg(FirstReg + getVectorListStart() - | |||
| 1643 | FirstRegs[(unsigned)RegTy][0])); | |||
| 1644 | } | |||
| 1645 | ||||
| 1646 | void addVectorIndexOperands(MCInst &Inst, unsigned N) const { | |||
| 1647 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1647, __extension__ __PRETTY_FUNCTION__)); | |||
| 1648 | Inst.addOperand(MCOperand::createImm(getVectorIndex())); | |||
| 1649 | } | |||
| 1650 | ||||
| 1651 | template <unsigned ImmIs0, unsigned ImmIs1> | |||
| 1652 | void addExactFPImmOperands(MCInst &Inst, unsigned N) const { | |||
| 1653 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1653, __extension__ __PRETTY_FUNCTION__)); | |||
| 1654 | assert(bool(isExactFPImm<ImmIs0, ImmIs1>()) && "Invalid operand")(static_cast <bool> (bool(isExactFPImm<ImmIs0, ImmIs1 >()) && "Invalid operand") ? void (0) : __assert_fail ("bool(isExactFPImm<ImmIs0, ImmIs1>()) && \"Invalid operand\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1654, __extension__ __PRETTY_FUNCTION__)); | |||
| 1655 | Inst.addOperand(MCOperand::createImm(bool(isExactFPImm<ImmIs1>()))); | |||
| 1656 | } | |||
| 1657 | ||||
| 1658 | void addImmOperands(MCInst &Inst, unsigned N) const { | |||
| 1659 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1659, __extension__ __PRETTY_FUNCTION__)); | |||
| 1660 | // If this is a pageoff symrefexpr with an addend, adjust the addend | |||
| 1661 | // to be only the page-offset portion. Otherwise, just add the expr | |||
| 1662 | // as-is. | |||
| 1663 | addExpr(Inst, getImm()); | |||
| 1664 | } | |||
| 1665 | ||||
| 1666 | template <int Shift> | |||
| 1667 | void addImmWithOptionalShiftOperands(MCInst &Inst, unsigned N) const { | |||
| 1668 | assert(N == 2 && "Invalid number of operands!")(static_cast <bool> (N == 2 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1668, __extension__ __PRETTY_FUNCTION__)); | |||
| 1669 | if (auto ShiftedVal = getShiftedVal<Shift>()) { | |||
| 1670 | Inst.addOperand(MCOperand::createImm(ShiftedVal->first)); | |||
| 1671 | Inst.addOperand(MCOperand::createImm(ShiftedVal->second)); | |||
| 1672 | } else if (isShiftedImm()) { | |||
| 1673 | addExpr(Inst, getShiftedImmVal()); | |||
| 1674 | Inst.addOperand(MCOperand::createImm(getShiftedImmShift())); | |||
| 1675 | } else { | |||
| 1676 | addExpr(Inst, getImm()); | |||
| 1677 | Inst.addOperand(MCOperand::createImm(0)); | |||
| 1678 | } | |||
| 1679 | } | |||
| 1680 | ||||
| 1681 | template <int Shift> | |||
| 1682 | void addImmNegWithOptionalShiftOperands(MCInst &Inst, unsigned N) const { | |||
| 1683 | assert(N == 2 && "Invalid number of operands!")(static_cast <bool> (N == 2 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1683, __extension__ __PRETTY_FUNCTION__)); | |||
| 1684 | if (auto ShiftedVal = getShiftedVal<Shift>()) { | |||
| 1685 | Inst.addOperand(MCOperand::createImm(-ShiftedVal->first)); | |||
| 1686 | Inst.addOperand(MCOperand::createImm(ShiftedVal->second)); | |||
| 1687 | } else | |||
| 1688 | llvm_unreachable("Not a shifted negative immediate")::llvm::llvm_unreachable_internal("Not a shifted negative immediate" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1688); | |||
| 1689 | } | |||
| 1690 | ||||
| 1691 | void addCondCodeOperands(MCInst &Inst, unsigned N) const { | |||
| 1692 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1692, __extension__ __PRETTY_FUNCTION__)); | |||
| 1693 | Inst.addOperand(MCOperand::createImm(getCondCode())); | |||
| 1694 | } | |||
| 1695 | ||||
| 1696 | void addAdrpLabelOperands(MCInst &Inst, unsigned N) const { | |||
| 1697 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1697, __extension__ __PRETTY_FUNCTION__)); | |||
| 1698 | const MCConstantExpr *MCE = dyn_cast<MCConstantExpr>(getImm()); | |||
| 1699 | if (!MCE) | |||
| 1700 | addExpr(Inst, getImm()); | |||
| 1701 | else | |||
| 1702 | Inst.addOperand(MCOperand::createImm(MCE->getValue() >> 12)); | |||
| 1703 | } | |||
| 1704 | ||||
| 1705 | void addAdrLabelOperands(MCInst &Inst, unsigned N) const { | |||
| 1706 | addImmOperands(Inst, N); | |||
| 1707 | } | |||
| 1708 | ||||
| 1709 | template<int Scale> | |||
| 1710 | void addUImm12OffsetOperands(MCInst &Inst, unsigned N) const { | |||
| 1711 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1711, __extension__ __PRETTY_FUNCTION__)); | |||
| 1712 | const MCConstantExpr *MCE = dyn_cast<MCConstantExpr>(getImm()); | |||
| 1713 | ||||
| 1714 | if (!MCE) { | |||
| 1715 | Inst.addOperand(MCOperand::createExpr(getImm())); | |||
| 1716 | return; | |||
| 1717 | } | |||
| 1718 | Inst.addOperand(MCOperand::createImm(MCE->getValue() / Scale)); | |||
| 1719 | } | |||
| 1720 | ||||
| 1721 | void addUImm6Operands(MCInst &Inst, unsigned N) const { | |||
| 1722 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1722, __extension__ __PRETTY_FUNCTION__)); | |||
| 1723 | const MCConstantExpr *MCE = cast<MCConstantExpr>(getImm()); | |||
| 1724 | Inst.addOperand(MCOperand::createImm(MCE->getValue())); | |||
| 1725 | } | |||
| 1726 | ||||
| 1727 | template <int Scale> | |||
| 1728 | void addImmScaledOperands(MCInst &Inst, unsigned N) const { | |||
| 1729 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1729, __extension__ __PRETTY_FUNCTION__)); | |||
| 1730 | const MCConstantExpr *MCE = cast<MCConstantExpr>(getImm()); | |||
| 1731 | Inst.addOperand(MCOperand::createImm(MCE->getValue() / Scale)); | |||
| 1732 | } | |||
| 1733 | ||||
| 1734 | template <typename T> | |||
| 1735 | void addLogicalImmOperands(MCInst &Inst, unsigned N) const { | |||
| 1736 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1736, __extension__ __PRETTY_FUNCTION__)); | |||
| 1737 | const MCConstantExpr *MCE = cast<MCConstantExpr>(getImm()); | |||
| 1738 | std::make_unsigned_t<T> Val = MCE->getValue(); | |||
| 1739 | uint64_t encoding = AArch64_AM::encodeLogicalImmediate(Val, sizeof(T) * 8); | |||
| 1740 | Inst.addOperand(MCOperand::createImm(encoding)); | |||
| 1741 | } | |||
| 1742 | ||||
| 1743 | template <typename T> | |||
| 1744 | void addLogicalImmNotOperands(MCInst &Inst, unsigned N) const { | |||
| 1745 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1745, __extension__ __PRETTY_FUNCTION__)); | |||
| 1746 | const MCConstantExpr *MCE = cast<MCConstantExpr>(getImm()); | |||
| 1747 | std::make_unsigned_t<T> Val = ~MCE->getValue(); | |||
| 1748 | uint64_t encoding = AArch64_AM::encodeLogicalImmediate(Val, sizeof(T) * 8); | |||
| 1749 | Inst.addOperand(MCOperand::createImm(encoding)); | |||
| 1750 | } | |||
| 1751 | ||||
| 1752 | void addSIMDImmType10Operands(MCInst &Inst, unsigned N) const { | |||
| 1753 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1753, __extension__ __PRETTY_FUNCTION__)); | |||
| 1754 | const MCConstantExpr *MCE = cast<MCConstantExpr>(getImm()); | |||
| 1755 | uint64_t encoding = AArch64_AM::encodeAdvSIMDModImmType10(MCE->getValue()); | |||
| 1756 | Inst.addOperand(MCOperand::createImm(encoding)); | |||
| 1757 | } | |||
| 1758 | ||||
| 1759 | void addBranchTarget26Operands(MCInst &Inst, unsigned N) const { | |||
| 1760 | // Branch operands don't encode the low bits, so shift them off | |||
| 1761 | // here. If it's a label, however, just put it on directly as there's | |||
| 1762 | // not enough information now to do anything. | |||
| 1763 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1763, __extension__ __PRETTY_FUNCTION__)); | |||
| 1764 | const MCConstantExpr *MCE = dyn_cast<MCConstantExpr>(getImm()); | |||
| 1765 | if (!MCE) { | |||
| 1766 | addExpr(Inst, getImm()); | |||
| 1767 | return; | |||
| 1768 | } | |||
| 1769 | assert(MCE && "Invalid constant immediate operand!")(static_cast <bool> (MCE && "Invalid constant immediate operand!" ) ? void (0) : __assert_fail ("MCE && \"Invalid constant immediate operand!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1769, __extension__ __PRETTY_FUNCTION__)); | |||
| 1770 | Inst.addOperand(MCOperand::createImm(MCE->getValue() >> 2)); | |||
| 1771 | } | |||
| 1772 | ||||
| 1773 | void addPCRelLabel19Operands(MCInst &Inst, unsigned N) const { | |||
| 1774 | // Branch operands don't encode the low bits, so shift them off | |||
| 1775 | // here. If it's a label, however, just put it on directly as there's | |||
| 1776 | // not enough information now to do anything. | |||
| 1777 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1777, __extension__ __PRETTY_FUNCTION__)); | |||
| 1778 | const MCConstantExpr *MCE = dyn_cast<MCConstantExpr>(getImm()); | |||
| 1779 | if (!MCE) { | |||
| 1780 | addExpr(Inst, getImm()); | |||
| 1781 | return; | |||
| 1782 | } | |||
| 1783 | assert(MCE && "Invalid constant immediate operand!")(static_cast <bool> (MCE && "Invalid constant immediate operand!" ) ? void (0) : __assert_fail ("MCE && \"Invalid constant immediate operand!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1783, __extension__ __PRETTY_FUNCTION__)); | |||
| 1784 | Inst.addOperand(MCOperand::createImm(MCE->getValue() >> 2)); | |||
| 1785 | } | |||
| 1786 | ||||
| 1787 | void addBranchTarget14Operands(MCInst &Inst, unsigned N) const { | |||
| 1788 | // Branch operands don't encode the low bits, so shift them off | |||
| 1789 | // here. If it's a label, however, just put it on directly as there's | |||
| 1790 | // not enough information now to do anything. | |||
| 1791 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1791, __extension__ __PRETTY_FUNCTION__)); | |||
| 1792 | const MCConstantExpr *MCE = dyn_cast<MCConstantExpr>(getImm()); | |||
| 1793 | if (!MCE) { | |||
| 1794 | addExpr(Inst, getImm()); | |||
| 1795 | return; | |||
| 1796 | } | |||
| 1797 | assert(MCE && "Invalid constant immediate operand!")(static_cast <bool> (MCE && "Invalid constant immediate operand!" ) ? void (0) : __assert_fail ("MCE && \"Invalid constant immediate operand!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1797, __extension__ __PRETTY_FUNCTION__)); | |||
| 1798 | Inst.addOperand(MCOperand::createImm(MCE->getValue() >> 2)); | |||
| 1799 | } | |||
| 1800 | ||||
| 1801 | void addFPImmOperands(MCInst &Inst, unsigned N) const { | |||
| 1802 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1802, __extension__ __PRETTY_FUNCTION__)); | |||
| 1803 | Inst.addOperand(MCOperand::createImm( | |||
| 1804 | AArch64_AM::getFP64Imm(getFPImm().bitcastToAPInt()))); | |||
| 1805 | } | |||
| 1806 | ||||
| 1807 | void addBarrierOperands(MCInst &Inst, unsigned N) const { | |||
| 1808 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1808, __extension__ __PRETTY_FUNCTION__)); | |||
| 1809 | Inst.addOperand(MCOperand::createImm(getBarrier())); | |||
| 1810 | } | |||
| 1811 | ||||
| 1812 | void addBarriernXSOperands(MCInst &Inst, unsigned N) const { | |||
| 1813 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1813, __extension__ __PRETTY_FUNCTION__)); | |||
| 1814 | Inst.addOperand(MCOperand::createImm(getBarrier())); | |||
| 1815 | } | |||
| 1816 | ||||
| 1817 | void addMRSSystemRegisterOperands(MCInst &Inst, unsigned N) const { | |||
| 1818 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1818, __extension__ __PRETTY_FUNCTION__)); | |||
| 1819 | ||||
| 1820 | Inst.addOperand(MCOperand::createImm(SysReg.MRSReg)); | |||
| 1821 | } | |||
| 1822 | ||||
| 1823 | void addMSRSystemRegisterOperands(MCInst &Inst, unsigned N) const { | |||
| 1824 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1824, __extension__ __PRETTY_FUNCTION__)); | |||
| 1825 | ||||
| 1826 | Inst.addOperand(MCOperand::createImm(SysReg.MSRReg)); | |||
| 1827 | } | |||
| 1828 | ||||
| 1829 | void addSystemPStateFieldWithImm0_1Operands(MCInst &Inst, unsigned N) const { | |||
| 1830 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1830, __extension__ __PRETTY_FUNCTION__)); | |||
| 1831 | ||||
| 1832 | Inst.addOperand(MCOperand::createImm(SysReg.PStateField)); | |||
| 1833 | } | |||
| 1834 | ||||
| 1835 | void addSVCROperands(MCInst &Inst, unsigned N) const { | |||
| 1836 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1836, __extension__ __PRETTY_FUNCTION__)); | |||
| 1837 | ||||
| 1838 | Inst.addOperand(MCOperand::createImm(SVCR.PStateField)); | |||
| 1839 | } | |||
| 1840 | ||||
| 1841 | void addSystemPStateFieldWithImm0_15Operands(MCInst &Inst, unsigned N) const { | |||
| 1842 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1842, __extension__ __PRETTY_FUNCTION__)); | |||
| 1843 | ||||
| 1844 | Inst.addOperand(MCOperand::createImm(SysReg.PStateField)); | |||
| 1845 | } | |||
| 1846 | ||||
| 1847 | void addSysCROperands(MCInst &Inst, unsigned N) const { | |||
| 1848 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1848, __extension__ __PRETTY_FUNCTION__)); | |||
| 1849 | Inst.addOperand(MCOperand::createImm(getSysCR())); | |||
| 1850 | } | |||
| 1851 | ||||
| 1852 | void addPrefetchOperands(MCInst &Inst, unsigned N) const { | |||
| 1853 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1853, __extension__ __PRETTY_FUNCTION__)); | |||
| 1854 | Inst.addOperand(MCOperand::createImm(getPrefetch())); | |||
| 1855 | } | |||
| 1856 | ||||
| 1857 | void addPSBHintOperands(MCInst &Inst, unsigned N) const { | |||
| 1858 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1858, __extension__ __PRETTY_FUNCTION__)); | |||
| 1859 | Inst.addOperand(MCOperand::createImm(getPSBHint())); | |||
| 1860 | } | |||
| 1861 | ||||
| 1862 | void addBTIHintOperands(MCInst &Inst, unsigned N) const { | |||
| 1863 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1863, __extension__ __PRETTY_FUNCTION__)); | |||
| 1864 | Inst.addOperand(MCOperand::createImm(getBTIHint())); | |||
| 1865 | } | |||
| 1866 | ||||
| 1867 | void addShifterOperands(MCInst &Inst, unsigned N) const { | |||
| 1868 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1868, __extension__ __PRETTY_FUNCTION__)); | |||
| 1869 | unsigned Imm = | |||
| 1870 | AArch64_AM::getShifterImm(getShiftExtendType(), getShiftExtendAmount()); | |||
| 1871 | Inst.addOperand(MCOperand::createImm(Imm)); | |||
| 1872 | } | |||
| 1873 | ||||
| 1874 | void addExtendOperands(MCInst &Inst, unsigned N) const { | |||
| 1875 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1875, __extension__ __PRETTY_FUNCTION__)); | |||
| 1876 | AArch64_AM::ShiftExtendType ET = getShiftExtendType(); | |||
| 1877 | if (ET == AArch64_AM::LSL) ET = AArch64_AM::UXTW; | |||
| 1878 | unsigned Imm = AArch64_AM::getArithExtendImm(ET, getShiftExtendAmount()); | |||
| 1879 | Inst.addOperand(MCOperand::createImm(Imm)); | |||
| 1880 | } | |||
| 1881 | ||||
| 1882 | void addExtend64Operands(MCInst &Inst, unsigned N) const { | |||
| 1883 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1883, __extension__ __PRETTY_FUNCTION__)); | |||
| 1884 | AArch64_AM::ShiftExtendType ET = getShiftExtendType(); | |||
| 1885 | if (ET == AArch64_AM::LSL) ET = AArch64_AM::UXTX; | |||
| 1886 | unsigned Imm = AArch64_AM::getArithExtendImm(ET, getShiftExtendAmount()); | |||
| 1887 | Inst.addOperand(MCOperand::createImm(Imm)); | |||
| 1888 | } | |||
| 1889 | ||||
| 1890 | void addMemExtendOperands(MCInst &Inst, unsigned N) const { | |||
| 1891 | assert(N == 2 && "Invalid number of operands!")(static_cast <bool> (N == 2 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1891, __extension__ __PRETTY_FUNCTION__)); | |||
| 1892 | AArch64_AM::ShiftExtendType ET = getShiftExtendType(); | |||
| 1893 | bool IsSigned = ET == AArch64_AM::SXTW || ET == AArch64_AM::SXTX; | |||
| 1894 | Inst.addOperand(MCOperand::createImm(IsSigned)); | |||
| 1895 | Inst.addOperand(MCOperand::createImm(getShiftExtendAmount() != 0)); | |||
| 1896 | } | |||
| 1897 | ||||
| 1898 | // For 8-bit load/store instructions with a register offset, both the | |||
| 1899 | // "DoShift" and "NoShift" variants have a shift of 0. Because of this, | |||
| 1900 | // they're disambiguated by whether the shift was explicit or implicit rather | |||
| 1901 | // than its size. | |||
| 1902 | void addMemExtend8Operands(MCInst &Inst, unsigned N) const { | |||
| 1903 | assert(N == 2 && "Invalid number of operands!")(static_cast <bool> (N == 2 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 2 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1903, __extension__ __PRETTY_FUNCTION__)); | |||
| 1904 | AArch64_AM::ShiftExtendType ET = getShiftExtendType(); | |||
| 1905 | bool IsSigned = ET == AArch64_AM::SXTW || ET == AArch64_AM::SXTX; | |||
| 1906 | Inst.addOperand(MCOperand::createImm(IsSigned)); | |||
| 1907 | Inst.addOperand(MCOperand::createImm(hasShiftExtendAmount())); | |||
| 1908 | } | |||
| 1909 | ||||
| 1910 | template<int Shift> | |||
| 1911 | void addMOVZMovAliasOperands(MCInst &Inst, unsigned N) const { | |||
| 1912 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1912, __extension__ __PRETTY_FUNCTION__)); | |||
| 1913 | ||||
| 1914 | const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm()); | |||
| 1915 | if (CE) { | |||
| 1916 | uint64_t Value = CE->getValue(); | |||
| 1917 | Inst.addOperand(MCOperand::createImm((Value >> Shift) & 0xffff)); | |||
| 1918 | } else { | |||
| 1919 | addExpr(Inst, getImm()); | |||
| 1920 | } | |||
| 1921 | } | |||
| 1922 | ||||
| 1923 | template<int Shift> | |||
| 1924 | void addMOVNMovAliasOperands(MCInst &Inst, unsigned N) const { | |||
| 1925 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1925, __extension__ __PRETTY_FUNCTION__)); | |||
| 1926 | ||||
| 1927 | const MCConstantExpr *CE = cast<MCConstantExpr>(getImm()); | |||
| 1928 | uint64_t Value = CE->getValue(); | |||
| 1929 | Inst.addOperand(MCOperand::createImm((~Value >> Shift) & 0xffff)); | |||
| 1930 | } | |||
| 1931 | ||||
| 1932 | void addComplexRotationEvenOperands(MCInst &Inst, unsigned N) const { | |||
| 1933 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1933, __extension__ __PRETTY_FUNCTION__)); | |||
| 1934 | const MCConstantExpr *MCE = cast<MCConstantExpr>(getImm()); | |||
| 1935 | Inst.addOperand(MCOperand::createImm(MCE->getValue() / 90)); | |||
| 1936 | } | |||
| 1937 | ||||
| 1938 | void addComplexRotationOddOperands(MCInst &Inst, unsigned N) const { | |||
| 1939 | assert(N == 1 && "Invalid number of operands!")(static_cast <bool> (N == 1 && "Invalid number of operands!" ) ? void (0) : __assert_fail ("N == 1 && \"Invalid number of operands!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1939, __extension__ __PRETTY_FUNCTION__)); | |||
| 1940 | const MCConstantExpr *MCE = cast<MCConstantExpr>(getImm()); | |||
| 1941 | Inst.addOperand(MCOperand::createImm((MCE->getValue() - 90) / 180)); | |||
| 1942 | } | |||
| 1943 | ||||
| 1944 | void print(raw_ostream &OS) const override; | |||
| 1945 | ||||
| 1946 | static std::unique_ptr<AArch64Operand> | |||
| 1947 | CreateToken(StringRef Str, bool IsSuffix, SMLoc S, MCContext &Ctx) { | |||
| 1948 | auto Op = std::make_unique<AArch64Operand>(k_Token, Ctx); | |||
| 1949 | Op->Tok.Data = Str.data(); | |||
| 1950 | Op->Tok.Length = Str.size(); | |||
| 1951 | Op->Tok.IsSuffix = IsSuffix; | |||
| 1952 | Op->StartLoc = S; | |||
| 1953 | Op->EndLoc = S; | |||
| 1954 | return Op; | |||
| 1955 | } | |||
| 1956 | ||||
| 1957 | static std::unique_ptr<AArch64Operand> | |||
| 1958 | CreateReg(unsigned RegNum, RegKind Kind, SMLoc S, SMLoc E, MCContext &Ctx, | |||
| 1959 | RegConstraintEqualityTy EqTy = RegConstraintEqualityTy::EqualsReg, | |||
| 1960 | AArch64_AM::ShiftExtendType ExtTy = AArch64_AM::LSL, | |||
| 1961 | unsigned ShiftAmount = 0, | |||
| 1962 | unsigned HasExplicitAmount = false) { | |||
| 1963 | auto Op = std::make_unique<AArch64Operand>(k_Register, Ctx); | |||
| 1964 | Op->Reg.RegNum = RegNum; | |||
| 1965 | Op->Reg.Kind = Kind; | |||
| 1966 | Op->Reg.ElementWidth = 0; | |||
| 1967 | Op->Reg.EqualityTy = EqTy; | |||
| 1968 | Op->Reg.ShiftExtend.Type = ExtTy; | |||
| 1969 | Op->Reg.ShiftExtend.Amount = ShiftAmount; | |||
| 1970 | Op->Reg.ShiftExtend.HasExplicitAmount = HasExplicitAmount; | |||
| 1971 | Op->StartLoc = S; | |||
| 1972 | Op->EndLoc = E; | |||
| 1973 | return Op; | |||
| 1974 | } | |||
| 1975 | ||||
| 1976 | static std::unique_ptr<AArch64Operand> | |||
| 1977 | CreateVectorReg(unsigned RegNum, RegKind Kind, unsigned ElementWidth, | |||
| 1978 | SMLoc S, SMLoc E, MCContext &Ctx, | |||
| 1979 | AArch64_AM::ShiftExtendType ExtTy = AArch64_AM::LSL, | |||
| 1980 | unsigned ShiftAmount = 0, | |||
| 1981 | unsigned HasExplicitAmount = false) { | |||
| 1982 | assert((Kind == RegKind::NeonVector || Kind == RegKind::SVEDataVector ||(static_cast <bool> ((Kind == RegKind::NeonVector || Kind == RegKind::SVEDataVector || Kind == RegKind::SVEPredicateVector ) && "Invalid vector kind") ? void (0) : __assert_fail ("(Kind == RegKind::NeonVector || Kind == RegKind::SVEDataVector || Kind == RegKind::SVEPredicateVector) && \"Invalid vector kind\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1984, __extension__ __PRETTY_FUNCTION__)) | |||
| 1983 | Kind == RegKind::SVEPredicateVector) &&(static_cast <bool> ((Kind == RegKind::NeonVector || Kind == RegKind::SVEDataVector || Kind == RegKind::SVEPredicateVector ) && "Invalid vector kind") ? void (0) : __assert_fail ("(Kind == RegKind::NeonVector || Kind == RegKind::SVEDataVector || Kind == RegKind::SVEPredicateVector) && \"Invalid vector kind\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1984, __extension__ __PRETTY_FUNCTION__)) | |||
| 1984 | "Invalid vector kind")(static_cast <bool> ((Kind == RegKind::NeonVector || Kind == RegKind::SVEDataVector || Kind == RegKind::SVEPredicateVector ) && "Invalid vector kind") ? void (0) : __assert_fail ("(Kind == RegKind::NeonVector || Kind == RegKind::SVEDataVector || Kind == RegKind::SVEPredicateVector) && \"Invalid vector kind\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 1984, __extension__ __PRETTY_FUNCTION__)); | |||
| 1985 | auto Op = CreateReg(RegNum, Kind, S, E, Ctx, EqualsReg, ExtTy, ShiftAmount, | |||
| 1986 | HasExplicitAmount); | |||
| 1987 | Op->Reg.ElementWidth = ElementWidth; | |||
| 1988 | return Op; | |||
| 1989 | } | |||
| 1990 | ||||
| 1991 | static std::unique_ptr<AArch64Operand> | |||
| 1992 | CreateVectorList(unsigned RegNum, unsigned Count, unsigned NumElements, | |||
| 1993 | unsigned ElementWidth, RegKind RegisterKind, SMLoc S, SMLoc E, | |||
| 1994 | MCContext &Ctx) { | |||
| 1995 | auto Op = std::make_unique<AArch64Operand>(k_VectorList, Ctx); | |||
| 1996 | Op->VectorList.RegNum = RegNum; | |||
| 1997 | Op->VectorList.Count = Count; | |||
| 1998 | Op->VectorList.NumElements = NumElements; | |||
| 1999 | Op->VectorList.ElementWidth = ElementWidth; | |||
| 2000 | Op->VectorList.RegisterKind = RegisterKind; | |||
| 2001 | Op->StartLoc = S; | |||
| 2002 | Op->EndLoc = E; | |||
| 2003 | return Op; | |||
| 2004 | } | |||
| 2005 | ||||
| 2006 | static std::unique_ptr<AArch64Operand> | |||
| 2007 | CreateVectorIndex(int Idx, SMLoc S, SMLoc E, MCContext &Ctx) { | |||
| 2008 | auto Op = std::make_unique<AArch64Operand>(k_VectorIndex, Ctx); | |||
| 2009 | Op->VectorIndex.Val = Idx; | |||
| 2010 | Op->StartLoc = S; | |||
| 2011 | Op->EndLoc = E; | |||
| 2012 | return Op; | |||
| 2013 | } | |||
| 2014 | ||||
| 2015 | static std::unique_ptr<AArch64Operand> CreateImm(const MCExpr *Val, SMLoc S, | |||
| 2016 | SMLoc E, MCContext &Ctx) { | |||
| 2017 | auto Op = std::make_unique<AArch64Operand>(k_Immediate, Ctx); | |||
| 2018 | Op->Imm.Val = Val; | |||
| 2019 | Op->StartLoc = S; | |||
| 2020 | Op->EndLoc = E; | |||
| 2021 | return Op; | |||
| 2022 | } | |||
| 2023 | ||||
| 2024 | static std::unique_ptr<AArch64Operand> CreateShiftedImm(const MCExpr *Val, | |||
| 2025 | unsigned ShiftAmount, | |||
| 2026 | SMLoc S, SMLoc E, | |||
| 2027 | MCContext &Ctx) { | |||
| 2028 | auto Op = std::make_unique<AArch64Operand>(k_ShiftedImm, Ctx); | |||
| 2029 | Op->ShiftedImm .Val = Val; | |||
| 2030 | Op->ShiftedImm.ShiftAmount = ShiftAmount; | |||
| 2031 | Op->StartLoc = S; | |||
| 2032 | Op->EndLoc = E; | |||
| 2033 | return Op; | |||
| 2034 | } | |||
| 2035 | ||||
| 2036 | static std::unique_ptr<AArch64Operand> | |||
| 2037 | CreateCondCode(AArch64CC::CondCode Code, SMLoc S, SMLoc E, MCContext &Ctx) { | |||
| 2038 | auto Op = std::make_unique<AArch64Operand>(k_CondCode, Ctx); | |||
| 2039 | Op->CondCode.Code = Code; | |||
| 2040 | Op->StartLoc = S; | |||
| 2041 | Op->EndLoc = E; | |||
| 2042 | return Op; | |||
| 2043 | } | |||
| 2044 | ||||
| 2045 | static std::unique_ptr<AArch64Operand> | |||
| 2046 | CreateFPImm(APFloat Val, bool IsExact, SMLoc S, MCContext &Ctx) { | |||
| 2047 | auto Op = std::make_unique<AArch64Operand>(k_FPImm, Ctx); | |||
| 2048 | Op->FPImm.Val = Val.bitcastToAPInt().getSExtValue(); | |||
| 2049 | Op->FPImm.IsExact = IsExact; | |||
| 2050 | Op->StartLoc = S; | |||
| 2051 | Op->EndLoc = S; | |||
| 2052 | return Op; | |||
| 2053 | } | |||
| 2054 | ||||
| 2055 | static std::unique_ptr<AArch64Operand> CreateBarrier(unsigned Val, | |||
| 2056 | StringRef Str, | |||
| 2057 | SMLoc S, | |||
| 2058 | MCContext &Ctx, | |||
| 2059 | bool HasnXSModifier) { | |||
| 2060 | auto Op = std::make_unique<AArch64Operand>(k_Barrier, Ctx); | |||
| 2061 | Op->Barrier.Val = Val; | |||
| 2062 | Op->Barrier.Data = Str.data(); | |||
| 2063 | Op->Barrier.Length = Str.size(); | |||
| 2064 | Op->Barrier.HasnXSModifier = HasnXSModifier; | |||
| 2065 | Op->StartLoc = S; | |||
| 2066 | Op->EndLoc = S; | |||
| 2067 | return Op; | |||
| 2068 | } | |||
| 2069 | ||||
| 2070 | static std::unique_ptr<AArch64Operand> CreateSysReg(StringRef Str, SMLoc S, | |||
| 2071 | uint32_t MRSReg, | |||
| 2072 | uint32_t MSRReg, | |||
| 2073 | uint32_t PStateField, | |||
| 2074 | MCContext &Ctx) { | |||
| 2075 | auto Op = std::make_unique<AArch64Operand>(k_SysReg, Ctx); | |||
| 2076 | Op->SysReg.Data = Str.data(); | |||
| 2077 | Op->SysReg.Length = Str.size(); | |||
| 2078 | Op->SysReg.MRSReg = MRSReg; | |||
| 2079 | Op->SysReg.MSRReg = MSRReg; | |||
| 2080 | Op->SysReg.PStateField = PStateField; | |||
| 2081 | Op->StartLoc = S; | |||
| 2082 | Op->EndLoc = S; | |||
| 2083 | return Op; | |||
| 2084 | } | |||
| 2085 | ||||
| 2086 | static std::unique_ptr<AArch64Operand> CreateSysCR(unsigned Val, SMLoc S, | |||
| 2087 | SMLoc E, MCContext &Ctx) { | |||
| 2088 | auto Op = std::make_unique<AArch64Operand>(k_SysCR, Ctx); | |||
| 2089 | Op->SysCRImm.Val = Val; | |||
| 2090 | Op->StartLoc = S; | |||
| 2091 | Op->EndLoc = E; | |||
| 2092 | return Op; | |||
| 2093 | } | |||
| 2094 | ||||
| 2095 | static std::unique_ptr<AArch64Operand> CreatePrefetch(unsigned Val, | |||
| 2096 | StringRef Str, | |||
| 2097 | SMLoc S, | |||
| 2098 | MCContext &Ctx) { | |||
| 2099 | auto Op = std::make_unique<AArch64Operand>(k_Prefetch, Ctx); | |||
| 2100 | Op->Prefetch.Val = Val; | |||
| 2101 | Op->Barrier.Data = Str.data(); | |||
| 2102 | Op->Barrier.Length = Str.size(); | |||
| 2103 | Op->StartLoc = S; | |||
| 2104 | Op->EndLoc = S; | |||
| 2105 | return Op; | |||
| 2106 | } | |||
| 2107 | ||||
| 2108 | static std::unique_ptr<AArch64Operand> CreatePSBHint(unsigned Val, | |||
| 2109 | StringRef Str, | |||
| 2110 | SMLoc S, | |||
| 2111 | MCContext &Ctx) { | |||
| 2112 | auto Op = std::make_unique<AArch64Operand>(k_PSBHint, Ctx); | |||
| 2113 | Op->PSBHint.Val = Val; | |||
| 2114 | Op->PSBHint.Data = Str.data(); | |||
| 2115 | Op->PSBHint.Length = Str.size(); | |||
| 2116 | Op->StartLoc = S; | |||
| 2117 | Op->EndLoc = S; | |||
| 2118 | return Op; | |||
| 2119 | } | |||
| 2120 | ||||
| 2121 | static std::unique_ptr<AArch64Operand> CreateBTIHint(unsigned Val, | |||
| 2122 | StringRef Str, | |||
| 2123 | SMLoc S, | |||
| 2124 | MCContext &Ctx) { | |||
| 2125 | auto Op = std::make_unique<AArch64Operand>(k_BTIHint, Ctx); | |||
| 2126 | Op->BTIHint.Val = Val | 32; | |||
| 2127 | Op->BTIHint.Data = Str.data(); | |||
| 2128 | Op->BTIHint.Length = Str.size(); | |||
| 2129 | Op->StartLoc = S; | |||
| 2130 | Op->EndLoc = S; | |||
| 2131 | return Op; | |||
| 2132 | } | |||
| 2133 | ||||
| 2134 | static std::unique_ptr<AArch64Operand> | |||
| 2135 | CreateMatrixRegister(unsigned RegNum, unsigned ElementWidth, MatrixKind Kind, | |||
| 2136 | SMLoc S, SMLoc E, MCContext &Ctx) { | |||
| 2137 | auto Op = std::make_unique<AArch64Operand>(k_MatrixRegister, Ctx); | |||
| 2138 | Op->MatrixReg.RegNum = RegNum; | |||
| 2139 | Op->MatrixReg.ElementWidth = ElementWidth; | |||
| 2140 | Op->MatrixReg.Kind = Kind; | |||
| 2141 | Op->StartLoc = S; | |||
| 2142 | Op->EndLoc = E; | |||
| 2143 | return Op; | |||
| 2144 | } | |||
| 2145 | ||||
| 2146 | static std::unique_ptr<AArch64Operand> | |||
| 2147 | CreateSVCR(uint32_t PStateField, StringRef Str, SMLoc S, MCContext &Ctx) { | |||
| 2148 | auto Op = std::make_unique<AArch64Operand>(k_SVCR, Ctx); | |||
| 2149 | Op->SVCR.PStateField = PStateField; | |||
| 2150 | Op->SVCR.Data = Str.data(); | |||
| 2151 | Op->SVCR.Length = Str.size(); | |||
| 2152 | Op->StartLoc = S; | |||
| 2153 | Op->EndLoc = S; | |||
| 2154 | return Op; | |||
| 2155 | } | |||
| 2156 | ||||
| 2157 | static std::unique_ptr<AArch64Operand> | |||
| 2158 | CreateShiftExtend(AArch64_AM::ShiftExtendType ShOp, unsigned Val, | |||
| 2159 | bool HasExplicitAmount, SMLoc S, SMLoc E, MCContext &Ctx) { | |||
| 2160 | auto Op = std::make_unique<AArch64Operand>(k_ShiftExtend, Ctx); | |||
| 2161 | Op->ShiftExtend.Type = ShOp; | |||
| 2162 | Op->ShiftExtend.Amount = Val; | |||
| 2163 | Op->ShiftExtend.HasExplicitAmount = HasExplicitAmount; | |||
| 2164 | Op->StartLoc = S; | |||
| 2165 | Op->EndLoc = E; | |||
| 2166 | return Op; | |||
| 2167 | } | |||
| 2168 | }; | |||
| 2169 | ||||
| 2170 | } // end anonymous namespace. | |||
| 2171 | ||||
| 2172 | void AArch64Operand::print(raw_ostream &OS) const { | |||
| 2173 | switch (Kind) { | |||
| 2174 | case k_FPImm: | |||
| 2175 | OS << "<fpimm " << getFPImm().bitcastToAPInt().getZExtValue(); | |||
| 2176 | if (!getFPImmIsExact()) | |||
| 2177 | OS << " (inexact)"; | |||
| 2178 | OS << ">"; | |||
| 2179 | break; | |||
| 2180 | case k_Barrier: { | |||
| 2181 | StringRef Name = getBarrierName(); | |||
| 2182 | if (!Name.empty()) | |||
| 2183 | OS << "<barrier " << Name << ">"; | |||
| 2184 | else | |||
| 2185 | OS << "<barrier invalid #" << getBarrier() << ">"; | |||
| 2186 | break; | |||
| 2187 | } | |||
| 2188 | case k_Immediate: | |||
| 2189 | OS << *getImm(); | |||
| 2190 | break; | |||
| 2191 | case k_ShiftedImm: { | |||
| 2192 | unsigned Shift = getShiftedImmShift(); | |||
| 2193 | OS << "<shiftedimm "; | |||
| 2194 | OS << *getShiftedImmVal(); | |||
| 2195 | OS << ", lsl #" << AArch64_AM::getShiftValue(Shift) << ">"; | |||
| 2196 | break; | |||
| 2197 | } | |||
| 2198 | case k_CondCode: | |||
| 2199 | OS << "<condcode " << getCondCode() << ">"; | |||
| 2200 | break; | |||
| 2201 | case k_VectorList: { | |||
| 2202 | OS << "<vectorlist "; | |||
| 2203 | unsigned Reg = getVectorListStart(); | |||
| 2204 | for (unsigned i = 0, e = getVectorListCount(); i != e; ++i) | |||
| 2205 | OS << Reg + i << " "; | |||
| 2206 | OS << ">"; | |||
| 2207 | break; | |||
| 2208 | } | |||
| 2209 | case k_VectorIndex: | |||
| 2210 | OS << "<vectorindex " << getVectorIndex() << ">"; | |||
| 2211 | break; | |||
| 2212 | case k_SysReg: | |||
| 2213 | OS << "<sysreg: " << getSysReg() << '>'; | |||
| 2214 | break; | |||
| 2215 | case k_Token: | |||
| 2216 | OS << "'" << getToken() << "'"; | |||
| 2217 | break; | |||
| 2218 | case k_SysCR: | |||
| 2219 | OS << "c" << getSysCR(); | |||
| 2220 | break; | |||
| 2221 | case k_Prefetch: { | |||
| 2222 | StringRef Name = getPrefetchName(); | |||
| 2223 | if (!Name.empty()) | |||
| 2224 | OS << "<prfop " << Name << ">"; | |||
| 2225 | else | |||
| 2226 | OS << "<prfop invalid #" << getPrefetch() << ">"; | |||
| 2227 | break; | |||
| 2228 | } | |||
| 2229 | case k_PSBHint: | |||
| 2230 | OS << getPSBHintName(); | |||
| 2231 | break; | |||
| 2232 | case k_BTIHint: | |||
| 2233 | OS << getBTIHintName(); | |||
| 2234 | break; | |||
| 2235 | case k_MatrixRegister: | |||
| 2236 | OS << "<matrix " << getMatrixReg() << ">"; | |||
| 2237 | break; | |||
| 2238 | case k_SVCR: { | |||
| 2239 | OS << getSVCR(); | |||
| 2240 | break; | |||
| 2241 | } | |||
| 2242 | case k_Register: | |||
| 2243 | OS << "<register " << getReg() << ">"; | |||
| 2244 | if (!getShiftExtendAmount() && !hasShiftExtendAmount()) | |||
| 2245 | break; | |||
| 2246 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; | |||
| 2247 | case k_ShiftExtend: | |||
| 2248 | OS << "<" << AArch64_AM::getShiftExtendName(getShiftExtendType()) << " #" | |||
| 2249 | << getShiftExtendAmount(); | |||
| 2250 | if (!hasShiftExtendAmount()) | |||
| 2251 | OS << "<imp>"; | |||
| 2252 | OS << '>'; | |||
| 2253 | break; | |||
| 2254 | } | |||
| 2255 | } | |||
| 2256 | ||||
| 2257 | /// @name Auto-generated Match Functions | |||
| 2258 | /// { | |||
| 2259 | ||||
| 2260 | static unsigned MatchRegisterName(StringRef Name); | |||
| 2261 | ||||
| 2262 | /// } | |||
| 2263 | ||||
| 2264 | static unsigned MatchNeonVectorRegName(StringRef Name) { | |||
| 2265 | return StringSwitch<unsigned>(Name.lower()) | |||
| 2266 | .Case("v0", AArch64::Q0) | |||
| 2267 | .Case("v1", AArch64::Q1) | |||
| 2268 | .Case("v2", AArch64::Q2) | |||
| 2269 | .Case("v3", AArch64::Q3) | |||
| 2270 | .Case("v4", AArch64::Q4) | |||
| 2271 | .Case("v5", AArch64::Q5) | |||
| 2272 | .Case("v6", AArch64::Q6) | |||
| 2273 | .Case("v7", AArch64::Q7) | |||
| 2274 | .Case("v8", AArch64::Q8) | |||
| 2275 | .Case("v9", AArch64::Q9) | |||
| 2276 | .Case("v10", AArch64::Q10) | |||
| 2277 | .Case("v11", AArch64::Q11) | |||
| 2278 | .Case("v12", AArch64::Q12) | |||
| 2279 | .Case("v13", AArch64::Q13) | |||
| 2280 | .Case("v14", AArch64::Q14) | |||
| 2281 | .Case("v15", AArch64::Q15) | |||
| 2282 | .Case("v16", AArch64::Q16) | |||
| 2283 | .Case("v17", AArch64::Q17) | |||
| 2284 | .Case("v18", AArch64::Q18) | |||
| 2285 | .Case("v19", AArch64::Q19) | |||
| 2286 | .Case("v20", AArch64::Q20) | |||
| 2287 | .Case("v21", AArch64::Q21) | |||
| 2288 | .Case("v22", AArch64::Q22) | |||
| 2289 | .Case("v23", AArch64::Q23) | |||
| 2290 | .Case("v24", AArch64::Q24) | |||
| 2291 | .Case("v25", AArch64::Q25) | |||
| 2292 | .Case("v26", AArch64::Q26) | |||
| 2293 | .Case("v27", AArch64::Q27) | |||
| 2294 | .Case("v28", AArch64::Q28) | |||
| 2295 | .Case("v29", AArch64::Q29) | |||
| 2296 | .Case("v30", AArch64::Q30) | |||
| 2297 | .Case("v31", AArch64::Q31) | |||
| 2298 | .Default(0); | |||
| 2299 | } | |||
| 2300 | ||||
| 2301 | /// Returns an optional pair of (#elements, element-width) if Suffix | |||
| 2302 | /// is a valid vector kind. Where the number of elements in a vector | |||
| 2303 | /// or the vector width is implicit or explicitly unknown (but still a | |||
| 2304 | /// valid suffix kind), 0 is used. | |||
| 2305 | static Optional<std::pair<int, int>> parseVectorKind(StringRef Suffix, | |||
| 2306 | RegKind VectorKind) { | |||
| 2307 | std::pair<int, int> Res = {-1, -1}; | |||
| 2308 | ||||
| 2309 | switch (VectorKind) { | |||
| 2310 | case RegKind::NeonVector: | |||
| 2311 | Res = | |||
| 2312 | StringSwitch<std::pair<int, int>>(Suffix.lower()) | |||
| 2313 | .Case("", {0, 0}) | |||
| 2314 | .Case(".1d", {1, 64}) | |||
| 2315 | .Case(".1q", {1, 128}) | |||
| 2316 | // '.2h' needed for fp16 scalar pairwise reductions | |||
| 2317 | .Case(".2h", {2, 16}) | |||
| 2318 | .Case(".2s", {2, 32}) | |||
| 2319 | .Case(".2d", {2, 64}) | |||
| 2320 | // '.4b' is another special case for the ARMv8.2a dot product | |||
| 2321 | // operand | |||
| 2322 | .Case(".4b", {4, 8}) | |||
| 2323 | .Case(".4h", {4, 16}) | |||
| 2324 | .Case(".4s", {4, 32}) | |||
| 2325 | .Case(".8b", {8, 8}) | |||
| 2326 | .Case(".8h", {8, 16}) | |||
| 2327 | .Case(".16b", {16, 8}) | |||
| 2328 | // Accept the width neutral ones, too, for verbose syntax. If those | |||
| 2329 | // aren't used in the right places, the token operand won't match so | |||
| 2330 | // all will work out. | |||
| 2331 | .Case(".b", {0, 8}) | |||
| 2332 | .Case(".h", {0, 16}) | |||
| 2333 | .Case(".s", {0, 32}) | |||
| 2334 | .Case(".d", {0, 64}) | |||
| 2335 | .Default({-1, -1}); | |||
| 2336 | break; | |||
| 2337 | case RegKind::SVEPredicateVector: | |||
| 2338 | case RegKind::SVEDataVector: | |||
| 2339 | case RegKind::Matrix: | |||
| 2340 | Res = StringSwitch<std::pair<int, int>>(Suffix.lower()) | |||
| 2341 | .Case("", {0, 0}) | |||
| 2342 | .Case(".b", {0, 8}) | |||
| 2343 | .Case(".h", {0, 16}) | |||
| 2344 | .Case(".s", {0, 32}) | |||
| 2345 | .Case(".d", {0, 64}) | |||
| 2346 | .Case(".q", {0, 128}) | |||
| 2347 | .Default({-1, -1}); | |||
| 2348 | break; | |||
| 2349 | default: | |||
| 2350 | llvm_unreachable("Unsupported RegKind")::llvm::llvm_unreachable_internal("Unsupported RegKind", "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 2350); | |||
| 2351 | } | |||
| 2352 | ||||
| 2353 | if (Res == std::make_pair(-1, -1)) | |||
| 2354 | return Optional<std::pair<int, int>>(); | |||
| 2355 | ||||
| 2356 | return Optional<std::pair<int, int>>(Res); | |||
| 2357 | } | |||
| 2358 | ||||
| 2359 | static bool isValidVectorKind(StringRef Suffix, RegKind VectorKind) { | |||
| 2360 | return parseVectorKind(Suffix, VectorKind).hasValue(); | |||
| 2361 | } | |||
| 2362 | ||||
| 2363 | static unsigned matchSVEDataVectorRegName(StringRef Name) { | |||
| 2364 | return StringSwitch<unsigned>(Name.lower()) | |||
| 2365 | .Case("z0", AArch64::Z0) | |||
| 2366 | .Case("z1", AArch64::Z1) | |||
| 2367 | .Case("z2", AArch64::Z2) | |||
| 2368 | .Case("z3", AArch64::Z3) | |||
| 2369 | .Case("z4", AArch64::Z4) | |||
| 2370 | .Case("z5", AArch64::Z5) | |||
| 2371 | .Case("z6", AArch64::Z6) | |||
| 2372 | .Case("z7", AArch64::Z7) | |||
| 2373 | .Case("z8", AArch64::Z8) | |||
| 2374 | .Case("z9", AArch64::Z9) | |||
| 2375 | .Case("z10", AArch64::Z10) | |||
| 2376 | .Case("z11", AArch64::Z11) | |||
| 2377 | .Case("z12", AArch64::Z12) | |||
| 2378 | .Case("z13", AArch64::Z13) | |||
| 2379 | .Case("z14", AArch64::Z14) | |||
| 2380 | .Case("z15", AArch64::Z15) | |||
| 2381 | .Case("z16", AArch64::Z16) | |||
| 2382 | .Case("z17", AArch64::Z17) | |||
| 2383 | .Case("z18", AArch64::Z18) | |||
| 2384 | .Case("z19", AArch64::Z19) | |||
| 2385 | .Case("z20", AArch64::Z20) | |||
| 2386 | .Case("z21", AArch64::Z21) | |||
| 2387 | .Case("z22", AArch64::Z22) | |||
| 2388 | .Case("z23", AArch64::Z23) | |||
| 2389 | .Case("z24", AArch64::Z24) | |||
| 2390 | .Case("z25", AArch64::Z25) | |||
| 2391 | .Case("z26", AArch64::Z26) | |||
| 2392 | .Case("z27", AArch64::Z27) | |||
| 2393 | .Case("z28", AArch64::Z28) | |||
| 2394 | .Case("z29", AArch64::Z29) | |||
| 2395 | .Case("z30", AArch64::Z30) | |||
| 2396 | .Case("z31", AArch64::Z31) | |||
| 2397 | .Default(0); | |||
| 2398 | } | |||
| 2399 | ||||
| 2400 | static unsigned matchSVEPredicateVectorRegName(StringRef Name) { | |||
| 2401 | return StringSwitch<unsigned>(Name.lower()) | |||
| 2402 | .Case("p0", AArch64::P0) | |||
| 2403 | .Case("p1", AArch64::P1) | |||
| 2404 | .Case("p2", AArch64::P2) | |||
| 2405 | .Case("p3", AArch64::P3) | |||
| 2406 | .Case("p4", AArch64::P4) | |||
| 2407 | .Case("p5", AArch64::P5) | |||
| 2408 | .Case("p6", AArch64::P6) | |||
| 2409 | .Case("p7", AArch64::P7) | |||
| 2410 | .Case("p8", AArch64::P8) | |||
| 2411 | .Case("p9", AArch64::P9) | |||
| 2412 | .Case("p10", AArch64::P10) | |||
| 2413 | .Case("p11", AArch64::P11) | |||
| 2414 | .Case("p12", AArch64::P12) | |||
| 2415 | .Case("p13", AArch64::P13) | |||
| 2416 | .Case("p14", AArch64::P14) | |||
| 2417 | .Case("p15", AArch64::P15) | |||
| 2418 | .Default(0); | |||
| 2419 | } | |||
| 2420 | ||||
| 2421 | static unsigned matchMatrixRegName(StringRef Name) { | |||
| 2422 | return StringSwitch<unsigned>(Name.lower()) | |||
| 2423 | .Case("za", AArch64::ZA) | |||
| 2424 | .Case("za0.q", AArch64::ZAQ0) | |||
| 2425 | .Case("za1.q", AArch64::ZAQ1) | |||
| 2426 | .Case("za2.q", AArch64::ZAQ2) | |||
| 2427 | .Case("za3.q", AArch64::ZAQ3) | |||
| 2428 | .Case("za4.q", AArch64::ZAQ4) | |||
| 2429 | .Case("za5.q", AArch64::ZAQ5) | |||
| 2430 | .Case("za6.q", AArch64::ZAQ6) | |||
| 2431 | .Case("za7.q", AArch64::ZAQ7) | |||
| 2432 | .Case("za8.q", AArch64::ZAQ8) | |||
| 2433 | .Case("za9.q", AArch64::ZAQ9) | |||
| 2434 | .Case("za10.q", AArch64::ZAQ10) | |||
| 2435 | .Case("za11.q", AArch64::ZAQ11) | |||
| 2436 | .Case("za12.q", AArch64::ZAQ12) | |||
| 2437 | .Case("za13.q", AArch64::ZAQ13) | |||
| 2438 | .Case("za14.q", AArch64::ZAQ14) | |||
| 2439 | .Case("za15.q", AArch64::ZAQ15) | |||
| 2440 | .Case("za0.d", AArch64::ZAD0) | |||
| 2441 | .Case("za1.d", AArch64::ZAD1) | |||
| 2442 | .Case("za2.d", AArch64::ZAD2) | |||
| 2443 | .Case("za3.d", AArch64::ZAD3) | |||
| 2444 | .Case("za4.d", AArch64::ZAD4) | |||
| 2445 | .Case("za5.d", AArch64::ZAD5) | |||
| 2446 | .Case("za6.d", AArch64::ZAD6) | |||
| 2447 | .Case("za7.d", AArch64::ZAD7) | |||
| 2448 | .Case("za0.s", AArch64::ZAS0) | |||
| 2449 | .Case("za1.s", AArch64::ZAS1) | |||
| 2450 | .Case("za2.s", AArch64::ZAS2) | |||
| 2451 | .Case("za3.s", AArch64::ZAS3) | |||
| 2452 | .Case("za0.h", AArch64::ZAH0) | |||
| 2453 | .Case("za1.h", AArch64::ZAH1) | |||
| 2454 | .Case("za0.b", AArch64::ZAB0) | |||
| 2455 | .Case("za0h.q", AArch64::ZAQ0) | |||
| 2456 | .Case("za1h.q", AArch64::ZAQ1) | |||
| 2457 | .Case("za2h.q", AArch64::ZAQ2) | |||
| 2458 | .Case("za3h.q", AArch64::ZAQ3) | |||
| 2459 | .Case("za4h.q", AArch64::ZAQ4) | |||
| 2460 | .Case("za5h.q", AArch64::ZAQ5) | |||
| 2461 | .Case("za6h.q", AArch64::ZAQ6) | |||
| 2462 | .Case("za7h.q", AArch64::ZAQ7) | |||
| 2463 | .Case("za8h.q", AArch64::ZAQ8) | |||
| 2464 | .Case("za9h.q", AArch64::ZAQ9) | |||
| 2465 | .Case("za10h.q", AArch64::ZAQ10) | |||
| 2466 | .Case("za11h.q", AArch64::ZAQ11) | |||
| 2467 | .Case("za12h.q", AArch64::ZAQ12) | |||
| 2468 | .Case("za13h.q", AArch64::ZAQ13) | |||
| 2469 | .Case("za14h.q", AArch64::ZAQ14) | |||
| 2470 | .Case("za15h.q", AArch64::ZAQ15) | |||
| 2471 | .Case("za0h.d", AArch64::ZAD0) | |||
| 2472 | .Case("za1h.d", AArch64::ZAD1) | |||
| 2473 | .Case("za2h.d", AArch64::ZAD2) | |||
| 2474 | .Case("za3h.d", AArch64::ZAD3) | |||
| 2475 | .Case("za4h.d", AArch64::ZAD4) | |||
| 2476 | .Case("za5h.d", AArch64::ZAD5) | |||
| 2477 | .Case("za6h.d", AArch64::ZAD6) | |||
| 2478 | .Case("za7h.d", AArch64::ZAD7) | |||
| 2479 | .Case("za0h.s", AArch64::ZAS0) | |||
| 2480 | .Case("za1h.s", AArch64::ZAS1) | |||
| 2481 | .Case("za2h.s", AArch64::ZAS2) | |||
| 2482 | .Case("za3h.s", AArch64::ZAS3) | |||
| 2483 | .Case("za0h.h", AArch64::ZAH0) | |||
| 2484 | .Case("za1h.h", AArch64::ZAH1) | |||
| 2485 | .Case("za0h.b", AArch64::ZAB0) | |||
| 2486 | .Case("za0v.q", AArch64::ZAQ0) | |||
| 2487 | .Case("za1v.q", AArch64::ZAQ1) | |||
| 2488 | .Case("za2v.q", AArch64::ZAQ2) | |||
| 2489 | .Case("za3v.q", AArch64::ZAQ3) | |||
| 2490 | .Case("za4v.q", AArch64::ZAQ4) | |||
| 2491 | .Case("za5v.q", AArch64::ZAQ5) | |||
| 2492 | .Case("za6v.q", AArch64::ZAQ6) | |||
| 2493 | .Case("za7v.q", AArch64::ZAQ7) | |||
| 2494 | .Case("za8v.q", AArch64::ZAQ8) | |||
| 2495 | .Case("za9v.q", AArch64::ZAQ9) | |||
| 2496 | .Case("za10v.q", AArch64::ZAQ10) | |||
| 2497 | .Case("za11v.q", AArch64::ZAQ11) | |||
| 2498 | .Case("za12v.q", AArch64::ZAQ12) | |||
| 2499 | .Case("za13v.q", AArch64::ZAQ13) | |||
| 2500 | .Case("za14v.q", AArch64::ZAQ14) | |||
| 2501 | .Case("za15v.q", AArch64::ZAQ15) | |||
| 2502 | .Case("za0v.d", AArch64::ZAD0) | |||
| 2503 | .Case("za1v.d", AArch64::ZAD1) | |||
| 2504 | .Case("za2v.d", AArch64::ZAD2) | |||
| 2505 | .Case("za3v.d", AArch64::ZAD3) | |||
| 2506 | .Case("za4v.d", AArch64::ZAD4) | |||
| 2507 | .Case("za5v.d", AArch64::ZAD5) | |||
| 2508 | .Case("za6v.d", AArch64::ZAD6) | |||
| 2509 | .Case("za7v.d", AArch64::ZAD7) | |||
| 2510 | .Case("za0v.s", AArch64::ZAS0) | |||
| 2511 | .Case("za1v.s", AArch64::ZAS1) | |||
| 2512 | .Case("za2v.s", AArch64::ZAS2) | |||
| 2513 | .Case("za3v.s", AArch64::ZAS3) | |||
| 2514 | .Case("za0v.h", AArch64::ZAH0) | |||
| 2515 | .Case("za1v.h", AArch64::ZAH1) | |||
| 2516 | .Case("za0v.b", AArch64::ZAB0) | |||
| 2517 | .Default(0); | |||
| 2518 | } | |||
| 2519 | ||||
| 2520 | bool AArch64AsmParser::ParseRegister(unsigned &RegNo, SMLoc &StartLoc, | |||
| 2521 | SMLoc &EndLoc) { | |||
| 2522 | return tryParseRegister(RegNo, StartLoc, EndLoc) != MatchOperand_Success; | |||
| 2523 | } | |||
| 2524 | ||||
| 2525 | OperandMatchResultTy AArch64AsmParser::tryParseRegister(unsigned &RegNo, | |||
| 2526 | SMLoc &StartLoc, | |||
| 2527 | SMLoc &EndLoc) { | |||
| 2528 | StartLoc = getLoc(); | |||
| 2529 | auto Res = tryParseScalarRegister(RegNo); | |||
| 2530 | EndLoc = SMLoc::getFromPointer(getLoc().getPointer() - 1); | |||
| 2531 | return Res; | |||
| 2532 | } | |||
| 2533 | ||||
| 2534 | // Matches a register name or register alias previously defined by '.req' | |||
| 2535 | unsigned AArch64AsmParser::matchRegisterNameAlias(StringRef Name, | |||
| 2536 | RegKind Kind) { | |||
| 2537 | unsigned RegNum = 0; | |||
| 2538 | if ((RegNum = matchSVEDataVectorRegName(Name))) | |||
| 2539 | return Kind == RegKind::SVEDataVector ? RegNum : 0; | |||
| 2540 | ||||
| 2541 | if ((RegNum = matchSVEPredicateVectorRegName(Name))) | |||
| 2542 | return Kind == RegKind::SVEPredicateVector ? RegNum : 0; | |||
| 2543 | ||||
| 2544 | if ((RegNum = MatchNeonVectorRegName(Name))) | |||
| 2545 | return Kind == RegKind::NeonVector ? RegNum : 0; | |||
| 2546 | ||||
| 2547 | if ((RegNum = matchMatrixRegName(Name))) | |||
| 2548 | return Kind == RegKind::Matrix ? RegNum : 0; | |||
| 2549 | ||||
| 2550 | // The parsed register must be of RegKind Scalar | |||
| 2551 | if ((RegNum = MatchRegisterName(Name))) | |||
| 2552 | return Kind == RegKind::Scalar ? RegNum : 0; | |||
| 2553 | ||||
| 2554 | if (!RegNum) { | |||
| 2555 | // Handle a few common aliases of registers. | |||
| 2556 | if (auto RegNum = StringSwitch<unsigned>(Name.lower()) | |||
| 2557 | .Case("fp", AArch64::FP) | |||
| 2558 | .Case("lr", AArch64::LR) | |||
| 2559 | .Case("x31", AArch64::XZR) | |||
| 2560 | .Case("w31", AArch64::WZR) | |||
| 2561 | .Default(0)) | |||
| 2562 | return Kind == RegKind::Scalar ? RegNum : 0; | |||
| 2563 | ||||
| 2564 | // Check for aliases registered via .req. Canonicalize to lower case. | |||
| 2565 | // That's more consistent since register names are case insensitive, and | |||
| 2566 | // it's how the original entry was passed in from MC/MCParser/AsmParser. | |||
| 2567 | auto Entry = RegisterReqs.find(Name.lower()); | |||
| 2568 | if (Entry == RegisterReqs.end()) | |||
| 2569 | return 0; | |||
| 2570 | ||||
| 2571 | // set RegNum if the match is the right kind of register | |||
| 2572 | if (Kind == Entry->getValue().first) | |||
| 2573 | RegNum = Entry->getValue().second; | |||
| 2574 | } | |||
| 2575 | return RegNum; | |||
| 2576 | } | |||
| 2577 | ||||
| 2578 | /// tryParseScalarRegister - Try to parse a register name. The token must be an | |||
| 2579 | /// Identifier when called, and if it is a register name the token is eaten and | |||
| 2580 | /// the register is added to the operand list. | |||
| 2581 | OperandMatchResultTy | |||
| 2582 | AArch64AsmParser::tryParseScalarRegister(unsigned &RegNum) { | |||
| 2583 | MCAsmParser &Parser = getParser(); | |||
| 2584 | const AsmToken &Tok = Parser.getTok(); | |||
| 2585 | if (Tok.isNot(AsmToken::Identifier)) | |||
| 2586 | return MatchOperand_NoMatch; | |||
| 2587 | ||||
| 2588 | std::string lowerCase = Tok.getString().lower(); | |||
| 2589 | unsigned Reg = matchRegisterNameAlias(lowerCase, RegKind::Scalar); | |||
| 2590 | if (Reg == 0) | |||
| 2591 | return MatchOperand_NoMatch; | |||
| 2592 | ||||
| 2593 | RegNum = Reg; | |||
| 2594 | Parser.Lex(); // Eat identifier token. | |||
| 2595 | return MatchOperand_Success; | |||
| 2596 | } | |||
| 2597 | ||||
| 2598 | /// tryParseSysCROperand - Try to parse a system instruction CR operand name. | |||
| 2599 | OperandMatchResultTy | |||
| 2600 | AArch64AsmParser::tryParseSysCROperand(OperandVector &Operands) { | |||
| 2601 | MCAsmParser &Parser = getParser(); | |||
| 2602 | SMLoc S = getLoc(); | |||
| 2603 | ||||
| 2604 | if (Parser.getTok().isNot(AsmToken::Identifier)) { | |||
| 2605 | Error(S, "Expected cN operand where 0 <= N <= 15"); | |||
| 2606 | return MatchOperand_ParseFail; | |||
| 2607 | } | |||
| 2608 | ||||
| 2609 | StringRef Tok = Parser.getTok().getIdentifier(); | |||
| 2610 | if (Tok[0] != 'c' && Tok[0] != 'C') { | |||
| 2611 | Error(S, "Expected cN operand where 0 <= N <= 15"); | |||
| 2612 | return MatchOperand_ParseFail; | |||
| 2613 | } | |||
| 2614 | ||||
| 2615 | uint32_t CRNum; | |||
| 2616 | bool BadNum = Tok.drop_front().getAsInteger(10, CRNum); | |||
| 2617 | if (BadNum || CRNum > 15) { | |||
| 2618 | Error(S, "Expected cN operand where 0 <= N <= 15"); | |||
| 2619 | return MatchOperand_ParseFail; | |||
| 2620 | } | |||
| 2621 | ||||
| 2622 | Parser.Lex(); // Eat identifier token. | |||
| 2623 | Operands.push_back( | |||
| 2624 | AArch64Operand::CreateSysCR(CRNum, S, getLoc(), getContext())); | |||
| 2625 | return MatchOperand_Success; | |||
| 2626 | } | |||
| 2627 | ||||
| 2628 | /// tryParsePrefetch - Try to parse a prefetch operand. | |||
| 2629 | template <bool IsSVEPrefetch> | |||
| 2630 | OperandMatchResultTy | |||
| 2631 | AArch64AsmParser::tryParsePrefetch(OperandVector &Operands) { | |||
| 2632 | MCAsmParser &Parser = getParser(); | |||
| 2633 | SMLoc S = getLoc(); | |||
| 2634 | const AsmToken &Tok = Parser.getTok(); | |||
| 2635 | ||||
| 2636 | auto LookupByName = [](StringRef N) { | |||
| 2637 | if (IsSVEPrefetch) { | |||
| 2638 | if (auto Res = AArch64SVEPRFM::lookupSVEPRFMByName(N)) | |||
| 2639 | return Optional<unsigned>(Res->Encoding); | |||
| 2640 | } else if (auto Res = AArch64PRFM::lookupPRFMByName(N)) | |||
| 2641 | return Optional<unsigned>(Res->Encoding); | |||
| 2642 | return Optional<unsigned>(); | |||
| 2643 | }; | |||
| 2644 | ||||
| 2645 | auto LookupByEncoding = [](unsigned E) { | |||
| 2646 | if (IsSVEPrefetch) { | |||
| 2647 | if (auto Res = AArch64SVEPRFM::lookupSVEPRFMByEncoding(E)) | |||
| 2648 | return Optional<StringRef>(Res->Name); | |||
| 2649 | } else if (auto Res = AArch64PRFM::lookupPRFMByEncoding(E)) | |||
| 2650 | return Optional<StringRef>(Res->Name); | |||
| 2651 | return Optional<StringRef>(); | |||
| 2652 | }; | |||
| 2653 | unsigned MaxVal = IsSVEPrefetch ? 15 : 31; | |||
| 2654 | ||||
| 2655 | // Either an identifier for named values or a 5-bit immediate. | |||
| 2656 | // Eat optional hash. | |||
| 2657 | if (parseOptionalToken(AsmToken::Hash) || | |||
| 2658 | Tok.is(AsmToken::Integer)) { | |||
| 2659 | const MCExpr *ImmVal; | |||
| 2660 | if (getParser().parseExpression(ImmVal)) | |||
| 2661 | return MatchOperand_ParseFail; | |||
| 2662 | ||||
| 2663 | const MCConstantExpr *MCE = dyn_cast<MCConstantExpr>(ImmVal); | |||
| 2664 | if (!MCE) { | |||
| 2665 | TokError("immediate value expected for prefetch operand"); | |||
| 2666 | return MatchOperand_ParseFail; | |||
| 2667 | } | |||
| 2668 | unsigned prfop = MCE->getValue(); | |||
| 2669 | if (prfop > MaxVal) { | |||
| 2670 | TokError("prefetch operand out of range, [0," + utostr(MaxVal) + | |||
| 2671 | "] expected"); | |||
| 2672 | return MatchOperand_ParseFail; | |||
| 2673 | } | |||
| 2674 | ||||
| 2675 | auto PRFM = LookupByEncoding(MCE->getValue()); | |||
| 2676 | Operands.push_back(AArch64Operand::CreatePrefetch( | |||
| 2677 | prfop, PRFM.getValueOr(""), S, getContext())); | |||
| 2678 | return MatchOperand_Success; | |||
| 2679 | } | |||
| 2680 | ||||
| 2681 | if (Tok.isNot(AsmToken::Identifier)) { | |||
| 2682 | TokError("prefetch hint expected"); | |||
| 2683 | return MatchOperand_ParseFail; | |||
| 2684 | } | |||
| 2685 | ||||
| 2686 | auto PRFM = LookupByName(Tok.getString()); | |||
| 2687 | if (!PRFM) { | |||
| 2688 | TokError("prefetch hint expected"); | |||
| 2689 | return MatchOperand_ParseFail; | |||
| 2690 | } | |||
| 2691 | ||||
| 2692 | Operands.push_back(AArch64Operand::CreatePrefetch( | |||
| 2693 | *PRFM, Tok.getString(), S, getContext())); | |||
| 2694 | Parser.Lex(); // Eat identifier token. | |||
| 2695 | return MatchOperand_Success; | |||
| 2696 | } | |||
| 2697 | ||||
| 2698 | /// tryParsePSBHint - Try to parse a PSB operand, mapped to Hint command | |||
| 2699 | OperandMatchResultTy | |||
| 2700 | AArch64AsmParser::tryParsePSBHint(OperandVector &Operands) { | |||
| 2701 | MCAsmParser &Parser = getParser(); | |||
| 2702 | SMLoc S = getLoc(); | |||
| 2703 | const AsmToken &Tok = Parser.getTok(); | |||
| 2704 | if (Tok.isNot(AsmToken::Identifier)) { | |||
| 2705 | TokError("invalid operand for instruction"); | |||
| 2706 | return MatchOperand_ParseFail; | |||
| 2707 | } | |||
| 2708 | ||||
| 2709 | auto PSB = AArch64PSBHint::lookupPSBByName(Tok.getString()); | |||
| 2710 | if (!PSB) { | |||
| 2711 | TokError("invalid operand for instruction"); | |||
| 2712 | return MatchOperand_ParseFail; | |||
| 2713 | } | |||
| 2714 | ||||
| 2715 | Operands.push_back(AArch64Operand::CreatePSBHint( | |||
| 2716 | PSB->Encoding, Tok.getString(), S, getContext())); | |||
| 2717 | Parser.Lex(); // Eat identifier token. | |||
| 2718 | return MatchOperand_Success; | |||
| 2719 | } | |||
| 2720 | ||||
| 2721 | /// tryParseBTIHint - Try to parse a BTI operand, mapped to Hint command | |||
| 2722 | OperandMatchResultTy | |||
| 2723 | AArch64AsmParser::tryParseBTIHint(OperandVector &Operands) { | |||
| 2724 | MCAsmParser &Parser = getParser(); | |||
| 2725 | SMLoc S = getLoc(); | |||
| 2726 | const AsmToken &Tok = Parser.getTok(); | |||
| 2727 | if (Tok.isNot(AsmToken::Identifier)) { | |||
| 2728 | TokError("invalid operand for instruction"); | |||
| 2729 | return MatchOperand_ParseFail; | |||
| 2730 | } | |||
| 2731 | ||||
| 2732 | auto BTI = AArch64BTIHint::lookupBTIByName(Tok.getString()); | |||
| 2733 | if (!BTI) { | |||
| 2734 | TokError("invalid operand for instruction"); | |||
| 2735 | return MatchOperand_ParseFail; | |||
| 2736 | } | |||
| 2737 | ||||
| 2738 | Operands.push_back(AArch64Operand::CreateBTIHint( | |||
| 2739 | BTI->Encoding, Tok.getString(), S, getContext())); | |||
| 2740 | Parser.Lex(); // Eat identifier token. | |||
| 2741 | return MatchOperand_Success; | |||
| 2742 | } | |||
| 2743 | ||||
| 2744 | /// tryParseAdrpLabel - Parse and validate a source label for the ADRP | |||
| 2745 | /// instruction. | |||
| 2746 | OperandMatchResultTy | |||
| 2747 | AArch64AsmParser::tryParseAdrpLabel(OperandVector &Operands) { | |||
| 2748 | MCAsmParser &Parser = getParser(); | |||
| 2749 | SMLoc S = getLoc(); | |||
| 2750 | const MCExpr *Expr = nullptr; | |||
| 2751 | ||||
| 2752 | if (Parser.getTok().is(AsmToken::Hash)) { | |||
| 2753 | Parser.Lex(); // Eat hash token. | |||
| 2754 | } | |||
| 2755 | ||||
| 2756 | if (parseSymbolicImmVal(Expr)) | |||
| 2757 | return MatchOperand_ParseFail; | |||
| 2758 | ||||
| 2759 | AArch64MCExpr::VariantKind ELFRefKind; | |||
| 2760 | MCSymbolRefExpr::VariantKind DarwinRefKind; | |||
| 2761 | int64_t Addend; | |||
| 2762 | if (classifySymbolRef(Expr, ELFRefKind, DarwinRefKind, Addend)) { | |||
| 2763 | if (DarwinRefKind == MCSymbolRefExpr::VK_None && | |||
| 2764 | ELFRefKind == AArch64MCExpr::VK_INVALID) { | |||
| 2765 | // No modifier was specified at all; this is the syntax for an ELF basic | |||
| 2766 | // ADRP relocation (unfortunately). | |||
| 2767 | Expr = | |||
| 2768 | AArch64MCExpr::create(Expr, AArch64MCExpr::VK_ABS_PAGE, getContext()); | |||
| 2769 | } else if ((DarwinRefKind == MCSymbolRefExpr::VK_GOTPAGE || | |||
| 2770 | DarwinRefKind == MCSymbolRefExpr::VK_TLVPPAGE) && | |||
| 2771 | Addend != 0) { | |||
| 2772 | Error(S, "gotpage label reference not allowed an addend"); | |||
| 2773 | return MatchOperand_ParseFail; | |||
| 2774 | } else if (DarwinRefKind != MCSymbolRefExpr::VK_PAGE && | |||
| 2775 | DarwinRefKind != MCSymbolRefExpr::VK_GOTPAGE && | |||
| 2776 | DarwinRefKind != MCSymbolRefExpr::VK_TLVPPAGE && | |||
| 2777 | ELFRefKind != AArch64MCExpr::VK_ABS_PAGE_NC && | |||
| 2778 | ELFRefKind != AArch64MCExpr::VK_GOT_PAGE && | |||
| 2779 | ELFRefKind != AArch64MCExpr::VK_GOT_PAGE_LO15 && | |||
| 2780 | ELFRefKind != AArch64MCExpr::VK_GOTTPREL_PAGE && | |||
| 2781 | ELFRefKind != AArch64MCExpr::VK_TLSDESC_PAGE) { | |||
| 2782 | // The operand must be an @page or @gotpage qualified symbolref. | |||
| 2783 | Error(S, "page or gotpage label reference expected"); | |||
| 2784 | return MatchOperand_ParseFail; | |||
| 2785 | } | |||
| 2786 | } | |||
| 2787 | ||||
| 2788 | // We have either a label reference possibly with addend or an immediate. The | |||
| 2789 | // addend is a raw value here. The linker will adjust it to only reference the | |||
| 2790 | // page. | |||
| 2791 | SMLoc E = SMLoc::getFromPointer(getLoc().getPointer() - 1); | |||
| 2792 | Operands.push_back(AArch64Operand::CreateImm(Expr, S, E, getContext())); | |||
| 2793 | ||||
| 2794 | return MatchOperand_Success; | |||
| 2795 | } | |||
| 2796 | ||||
| 2797 | /// tryParseAdrLabel - Parse and validate a source label for the ADR | |||
| 2798 | /// instruction. | |||
| 2799 | OperandMatchResultTy | |||
| 2800 | AArch64AsmParser::tryParseAdrLabel(OperandVector &Operands) { | |||
| 2801 | SMLoc S = getLoc(); | |||
| 2802 | const MCExpr *Expr = nullptr; | |||
| 2803 | ||||
| 2804 | // Leave anything with a bracket to the default for SVE | |||
| 2805 | if (getParser().getTok().is(AsmToken::LBrac)) | |||
| 2806 | return MatchOperand_NoMatch; | |||
| 2807 | ||||
| 2808 | if (getParser().getTok().is(AsmToken::Hash)) | |||
| 2809 | getParser().Lex(); // Eat hash token. | |||
| 2810 | ||||
| 2811 | if (parseSymbolicImmVal(Expr)) | |||
| 2812 | return MatchOperand_ParseFail; | |||
| 2813 | ||||
| 2814 | AArch64MCExpr::VariantKind ELFRefKind; | |||
| 2815 | MCSymbolRefExpr::VariantKind DarwinRefKind; | |||
| 2816 | int64_t Addend; | |||
| 2817 | if (classifySymbolRef(Expr, ELFRefKind, DarwinRefKind, Addend)) { | |||
| 2818 | if (DarwinRefKind == MCSymbolRefExpr::VK_None && | |||
| 2819 | ELFRefKind == AArch64MCExpr::VK_INVALID) { | |||
| 2820 | // No modifier was specified at all; this is the syntax for an ELF basic | |||
| 2821 | // ADR relocation (unfortunately). | |||
| 2822 | Expr = AArch64MCExpr::create(Expr, AArch64MCExpr::VK_ABS, getContext()); | |||
| 2823 | } else { | |||
| 2824 | Error(S, "unexpected adr label"); | |||
| 2825 | return MatchOperand_ParseFail; | |||
| 2826 | } | |||
| 2827 | } | |||
| 2828 | ||||
| 2829 | SMLoc E = SMLoc::getFromPointer(getLoc().getPointer() - 1); | |||
| 2830 | Operands.push_back(AArch64Operand::CreateImm(Expr, S, E, getContext())); | |||
| 2831 | return MatchOperand_Success; | |||
| 2832 | } | |||
| 2833 | ||||
| 2834 | /// tryParseFPImm - A floating point immediate expression operand. | |||
| 2835 | template<bool AddFPZeroAsLiteral> | |||
| 2836 | OperandMatchResultTy | |||
| 2837 | AArch64AsmParser::tryParseFPImm(OperandVector &Operands) { | |||
| 2838 | MCAsmParser &Parser = getParser(); | |||
| 2839 | SMLoc S = getLoc(); | |||
| 2840 | ||||
| 2841 | bool Hash = parseOptionalToken(AsmToken::Hash); | |||
| 2842 | ||||
| 2843 | // Handle negation, as that still comes through as a separate token. | |||
| 2844 | bool isNegative = parseOptionalToken(AsmToken::Minus); | |||
| 2845 | ||||
| 2846 | const AsmToken &Tok = Parser.getTok(); | |||
| 2847 | if (!Tok.is(AsmToken::Real) && !Tok.is(AsmToken::Integer)) { | |||
| 2848 | if (!Hash) | |||
| 2849 | return MatchOperand_NoMatch; | |||
| 2850 | TokError("invalid floating point immediate"); | |||
| 2851 | return MatchOperand_ParseFail; | |||
| 2852 | } | |||
| 2853 | ||||
| 2854 | // Parse hexadecimal representation. | |||
| 2855 | if (Tok.is(AsmToken::Integer) && Tok.getString().startswith("0x")) { | |||
| 2856 | if (Tok.getIntVal() > 255 || isNegative) { | |||
| 2857 | TokError("encoded floating point value out of range"); | |||
| 2858 | return MatchOperand_ParseFail; | |||
| 2859 | } | |||
| 2860 | ||||
| 2861 | APFloat F((double)AArch64_AM::getFPImmFloat(Tok.getIntVal())); | |||
| 2862 | Operands.push_back( | |||
| 2863 | AArch64Operand::CreateFPImm(F, true, S, getContext())); | |||
| 2864 | } else { | |||
| 2865 | // Parse FP representation. | |||
| 2866 | APFloat RealVal(APFloat::IEEEdouble()); | |||
| 2867 | auto StatusOrErr = | |||
| 2868 | RealVal.convertFromString(Tok.getString(), APFloat::rmTowardZero); | |||
| 2869 | if (errorToBool(StatusOrErr.takeError())) { | |||
| 2870 | TokError("invalid floating point representation"); | |||
| 2871 | return MatchOperand_ParseFail; | |||
| 2872 | } | |||
| 2873 | ||||
| 2874 | if (isNegative) | |||
| 2875 | RealVal.changeSign(); | |||
| 2876 | ||||
| 2877 | if (AddFPZeroAsLiteral && RealVal.isPosZero()) { | |||
| 2878 | Operands.push_back( | |||
| 2879 | AArch64Operand::CreateToken("#0", false, S, getContext())); | |||
| 2880 | Operands.push_back( | |||
| 2881 | AArch64Operand::CreateToken(".0", false, S, getContext())); | |||
| 2882 | } else | |||
| 2883 | Operands.push_back(AArch64Operand::CreateFPImm( | |||
| 2884 | RealVal, *StatusOrErr == APFloat::opOK, S, getContext())); | |||
| 2885 | } | |||
| 2886 | ||||
| 2887 | Parser.Lex(); // Eat the token. | |||
| 2888 | ||||
| 2889 | return MatchOperand_Success; | |||
| 2890 | } | |||
| 2891 | ||||
| 2892 | /// tryParseImmWithOptionalShift - Parse immediate operand, optionally with | |||
| 2893 | /// a shift suffix, for example '#1, lsl #12'. | |||
| 2894 | OperandMatchResultTy | |||
| 2895 | AArch64AsmParser::tryParseImmWithOptionalShift(OperandVector &Operands) { | |||
| 2896 | MCAsmParser &Parser = getParser(); | |||
| 2897 | SMLoc S = getLoc(); | |||
| 2898 | ||||
| 2899 | if (Parser.getTok().is(AsmToken::Hash)) | |||
| 2900 | Parser.Lex(); // Eat '#' | |||
| 2901 | else if (Parser.getTok().isNot(AsmToken::Integer)) | |||
| 2902 | // Operand should start from # or should be integer, emit error otherwise. | |||
| 2903 | return MatchOperand_NoMatch; | |||
| 2904 | ||||
| 2905 | const MCExpr *Imm = nullptr; | |||
| 2906 | if (parseSymbolicImmVal(Imm)) | |||
| 2907 | return MatchOperand_ParseFail; | |||
| 2908 | else if (Parser.getTok().isNot(AsmToken::Comma)) { | |||
| 2909 | SMLoc E = Parser.getTok().getLoc(); | |||
| 2910 | Operands.push_back( | |||
| 2911 | AArch64Operand::CreateImm(Imm, S, E, getContext())); | |||
| 2912 | return MatchOperand_Success; | |||
| 2913 | } | |||
| 2914 | ||||
| 2915 | // Eat ',' | |||
| 2916 | Parser.Lex(); | |||
| 2917 | ||||
| 2918 | // The optional operand must be "lsl #N" where N is non-negative. | |||
| 2919 | if (!Parser.getTok().is(AsmToken::Identifier) || | |||
| 2920 | !Parser.getTok().getIdentifier().equals_insensitive("lsl")) { | |||
| 2921 | Error(Parser.getTok().getLoc(), "only 'lsl #+N' valid after immediate"); | |||
| 2922 | return MatchOperand_ParseFail; | |||
| 2923 | } | |||
| 2924 | ||||
| 2925 | // Eat 'lsl' | |||
| 2926 | Parser.Lex(); | |||
| 2927 | ||||
| 2928 | parseOptionalToken(AsmToken::Hash); | |||
| 2929 | ||||
| 2930 | if (Parser.getTok().isNot(AsmToken::Integer)) { | |||
| 2931 | Error(Parser.getTok().getLoc(), "only 'lsl #+N' valid after immediate"); | |||
| 2932 | return MatchOperand_ParseFail; | |||
| 2933 | } | |||
| 2934 | ||||
| 2935 | int64_t ShiftAmount = Parser.getTok().getIntVal(); | |||
| 2936 | ||||
| 2937 | if (ShiftAmount < 0) { | |||
| 2938 | Error(Parser.getTok().getLoc(), "positive shift amount required"); | |||
| 2939 | return MatchOperand_ParseFail; | |||
| 2940 | } | |||
| 2941 | Parser.Lex(); // Eat the number | |||
| 2942 | ||||
| 2943 | // Just in case the optional lsl #0 is used for immediates other than zero. | |||
| 2944 | if (ShiftAmount == 0 && Imm != nullptr) { | |||
| 2945 | SMLoc E = Parser.getTok().getLoc(); | |||
| 2946 | Operands.push_back(AArch64Operand::CreateImm(Imm, S, E, getContext())); | |||
| 2947 | return MatchOperand_Success; | |||
| 2948 | } | |||
| 2949 | ||||
| 2950 | SMLoc E = Parser.getTok().getLoc(); | |||
| 2951 | Operands.push_back(AArch64Operand::CreateShiftedImm(Imm, ShiftAmount, | |||
| 2952 | S, E, getContext())); | |||
| 2953 | return MatchOperand_Success; | |||
| 2954 | } | |||
| 2955 | ||||
| 2956 | /// parseCondCodeString - Parse a Condition Code string. | |||
| 2957 | AArch64CC::CondCode AArch64AsmParser::parseCondCodeString(StringRef Cond) { | |||
| 2958 | AArch64CC::CondCode CC = StringSwitch<AArch64CC::CondCode>(Cond.lower()) | |||
| 2959 | .Case("eq", AArch64CC::EQ) | |||
| 2960 | .Case("ne", AArch64CC::NE) | |||
| 2961 | .Case("cs", AArch64CC::HS) | |||
| 2962 | .Case("hs", AArch64CC::HS) | |||
| 2963 | .Case("cc", AArch64CC::LO) | |||
| 2964 | .Case("lo", AArch64CC::LO) | |||
| 2965 | .Case("mi", AArch64CC::MI) | |||
| 2966 | .Case("pl", AArch64CC::PL) | |||
| 2967 | .Case("vs", AArch64CC::VS) | |||
| 2968 | .Case("vc", AArch64CC::VC) | |||
| 2969 | .Case("hi", AArch64CC::HI) | |||
| 2970 | .Case("ls", AArch64CC::LS) | |||
| 2971 | .Case("ge", AArch64CC::GE) | |||
| 2972 | .Case("lt", AArch64CC::LT) | |||
| 2973 | .Case("gt", AArch64CC::GT) | |||
| 2974 | .Case("le", AArch64CC::LE) | |||
| 2975 | .Case("al", AArch64CC::AL) | |||
| 2976 | .Case("nv", AArch64CC::NV) | |||
| 2977 | .Default(AArch64CC::Invalid); | |||
| 2978 | ||||
| 2979 | if (CC == AArch64CC::Invalid && | |||
| 2980 | getSTI().getFeatureBits()[AArch64::FeatureSVE]) | |||
| 2981 | CC = StringSwitch<AArch64CC::CondCode>(Cond.lower()) | |||
| 2982 | .Case("none", AArch64CC::EQ) | |||
| 2983 | .Case("any", AArch64CC::NE) | |||
| 2984 | .Case("nlast", AArch64CC::HS) | |||
| 2985 | .Case("last", AArch64CC::LO) | |||
| 2986 | .Case("first", AArch64CC::MI) | |||
| 2987 | .Case("nfrst", AArch64CC::PL) | |||
| 2988 | .Case("pmore", AArch64CC::HI) | |||
| 2989 | .Case("plast", AArch64CC::LS) | |||
| 2990 | .Case("tcont", AArch64CC::GE) | |||
| 2991 | .Case("tstop", AArch64CC::LT) | |||
| 2992 | .Default(AArch64CC::Invalid); | |||
| 2993 | ||||
| 2994 | return CC; | |||
| 2995 | } | |||
| 2996 | ||||
| 2997 | /// parseCondCode - Parse a Condition Code operand. | |||
| 2998 | bool AArch64AsmParser::parseCondCode(OperandVector &Operands, | |||
| 2999 | bool invertCondCode) { | |||
| 3000 | MCAsmParser &Parser = getParser(); | |||
| 3001 | SMLoc S = getLoc(); | |||
| 3002 | const AsmToken &Tok = Parser.getTok(); | |||
| 3003 | assert(Tok.is(AsmToken::Identifier) && "Token is not an Identifier")(static_cast <bool> (Tok.is(AsmToken::Identifier) && "Token is not an Identifier") ? void (0) : __assert_fail ("Tok.is(AsmToken::Identifier) && \"Token is not an Identifier\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 3003, __extension__ __PRETTY_FUNCTION__)); | |||
| 3004 | ||||
| 3005 | StringRef Cond = Tok.getString(); | |||
| 3006 | AArch64CC::CondCode CC = parseCondCodeString(Cond); | |||
| 3007 | if (CC == AArch64CC::Invalid) | |||
| 3008 | return TokError("invalid condition code"); | |||
| 3009 | Parser.Lex(); // Eat identifier token. | |||
| 3010 | ||||
| 3011 | if (invertCondCode) { | |||
| 3012 | if (CC == AArch64CC::AL || CC == AArch64CC::NV) | |||
| 3013 | return TokError("condition codes AL and NV are invalid for this instruction"); | |||
| 3014 | CC = AArch64CC::getInvertedCondCode(AArch64CC::CondCode(CC)); | |||
| 3015 | } | |||
| 3016 | ||||
| 3017 | Operands.push_back( | |||
| 3018 | AArch64Operand::CreateCondCode(CC, S, getLoc(), getContext())); | |||
| 3019 | return false; | |||
| 3020 | } | |||
| 3021 | ||||
| 3022 | OperandMatchResultTy | |||
| 3023 | AArch64AsmParser::tryParseSVCR(OperandVector &Operands) { | |||
| 3024 | MCAsmParser &Parser = getParser(); | |||
| 3025 | const AsmToken &Tok = Parser.getTok(); | |||
| 3026 | SMLoc S = getLoc(); | |||
| 3027 | ||||
| 3028 | if (Tok.isNot(AsmToken::Identifier)) { | |||
| 3029 | TokError("invalid operand for instruction"); | |||
| 3030 | return MatchOperand_ParseFail; | |||
| 3031 | } | |||
| 3032 | ||||
| 3033 | unsigned PStateImm = -1; | |||
| 3034 | const auto *SVCR = AArch64SVCR::lookupSVCRByName(Tok.getString()); | |||
| 3035 | if (SVCR && SVCR->haveFeatures(getSTI().getFeatureBits())) | |||
| 3036 | PStateImm = SVCR->Encoding; | |||
| 3037 | ||||
| 3038 | Operands.push_back( | |||
| 3039 | AArch64Operand::CreateSVCR(PStateImm, Tok.getString(), S, getContext())); | |||
| 3040 | Parser.Lex(); // Eat identifier token. | |||
| 3041 | return MatchOperand_Success; | |||
| 3042 | } | |||
| 3043 | ||||
| 3044 | OperandMatchResultTy | |||
| 3045 | AArch64AsmParser::tryParseMatrixRegister(OperandVector &Operands) { | |||
| 3046 | MCAsmParser &Parser = getParser(); | |||
| 3047 | const AsmToken &Tok = Parser.getTok(); | |||
| 3048 | SMLoc S = getLoc(); | |||
| 3049 | ||||
| 3050 | StringRef Name = Tok.getString(); | |||
| 3051 | ||||
| 3052 | if (Name.equals_insensitive("za")) { | |||
| 3053 | Parser.Lex(); // eat "za" | |||
| 3054 | Operands.push_back(AArch64Operand::CreateMatrixRegister( | |||
| 3055 | AArch64::ZA, /*ElementWidth=*/0, MatrixKind::Array, S, getLoc(), | |||
| 3056 | getContext())); | |||
| 3057 | if (getLexer().is(AsmToken::LBrac)) { | |||
| 3058 | // There's no comma after matrix operand, so we can parse the next operand | |||
| 3059 | // immediately. | |||
| 3060 | if (parseOperand(Operands, false, false)) | |||
| 3061 | return MatchOperand_NoMatch; | |||
| 3062 | } | |||
| 3063 | return MatchOperand_Success; | |||
| 3064 | } | |||
| 3065 | ||||
| 3066 | // Try to parse matrix register. | |||
| 3067 | unsigned Reg = matchRegisterNameAlias(Name, RegKind::Matrix); | |||
| 3068 | if (!Reg) | |||
| 3069 | return MatchOperand_NoMatch; | |||
| 3070 | ||||
| 3071 | size_t DotPosition = Name.find('.'); | |||
| 3072 | assert(DotPosition != StringRef::npos && "Unexpected register")(static_cast <bool> (DotPosition != StringRef::npos && "Unexpected register") ? void (0) : __assert_fail ("DotPosition != StringRef::npos && \"Unexpected register\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 3072, __extension__ __PRETTY_FUNCTION__)); | |||
| 3073 | ||||
| 3074 | StringRef Head = Name.take_front(DotPosition); | |||
| 3075 | StringRef Tail = Name.drop_front(DotPosition); | |||
| 3076 | StringRef RowOrColumn = Head.take_back(); | |||
| 3077 | ||||
| 3078 | MatrixKind Kind = StringSwitch<MatrixKind>(RowOrColumn) | |||
| 3079 | .Case("h", MatrixKind::Row) | |||
| 3080 | .Case("v", MatrixKind::Col) | |||
| 3081 | .Default(MatrixKind::Tile); | |||
| 3082 | ||||
| 3083 | // Next up, parsing the suffix | |||
| 3084 | const auto &KindRes = parseVectorKind(Tail, RegKind::Matrix); | |||
| 3085 | if (!KindRes) { | |||
| 3086 | TokError("Expected the register to be followed by element width suffix"); | |||
| 3087 | return MatchOperand_ParseFail; | |||
| 3088 | } | |||
| 3089 | unsigned ElementWidth = KindRes->second; | |||
| 3090 | ||||
| 3091 | Parser.Lex(); | |||
| 3092 | ||||
| 3093 | Operands.push_back(AArch64Operand::CreateMatrixRegister( | |||
| 3094 | Reg, ElementWidth, Kind, S, getLoc(), getContext())); | |||
| 3095 | ||||
| 3096 | if (getLexer().is(AsmToken::LBrac)) { | |||
| 3097 | // There's no comma after matrix operand, so we can parse the next operand | |||
| 3098 | // immediately. | |||
| 3099 | if (parseOperand(Operands, false, false)) | |||
| 3100 | return MatchOperand_NoMatch; | |||
| 3101 | } | |||
| 3102 | return MatchOperand_Success; | |||
| 3103 | } | |||
| 3104 | ||||
| 3105 | /// tryParseOptionalShift - Some operands take an optional shift argument. Parse | |||
| 3106 | /// them if present. | |||
| 3107 | OperandMatchResultTy | |||
| 3108 | AArch64AsmParser::tryParseOptionalShiftExtend(OperandVector &Operands) { | |||
| 3109 | MCAsmParser &Parser = getParser(); | |||
| 3110 | const AsmToken &Tok = Parser.getTok(); | |||
| 3111 | std::string LowerID = Tok.getString().lower(); | |||
| 3112 | AArch64_AM::ShiftExtendType ShOp = | |||
| 3113 | StringSwitch<AArch64_AM::ShiftExtendType>(LowerID) | |||
| 3114 | .Case("lsl", AArch64_AM::LSL) | |||
| 3115 | .Case("lsr", AArch64_AM::LSR) | |||
| 3116 | .Case("asr", AArch64_AM::ASR) | |||
| 3117 | .Case("ror", AArch64_AM::ROR) | |||
| 3118 | .Case("msl", AArch64_AM::MSL) | |||
| 3119 | .Case("uxtb", AArch64_AM::UXTB) | |||
| 3120 | .Case("uxth", AArch64_AM::UXTH) | |||
| 3121 | .Case("uxtw", AArch64_AM::UXTW) | |||
| 3122 | .Case("uxtx", AArch64_AM::UXTX) | |||
| 3123 | .Case("sxtb", AArch64_AM::SXTB) | |||
| 3124 | .Case("sxth", AArch64_AM::SXTH) | |||
| 3125 | .Case("sxtw", AArch64_AM::SXTW) | |||
| 3126 | .Case("sxtx", AArch64_AM::SXTX) | |||
| 3127 | .Default(AArch64_AM::InvalidShiftExtend); | |||
| 3128 | ||||
| 3129 | if (ShOp == AArch64_AM::InvalidShiftExtend) | |||
| 3130 | return MatchOperand_NoMatch; | |||
| 3131 | ||||
| 3132 | SMLoc S = Tok.getLoc(); | |||
| 3133 | Parser.Lex(); | |||
| 3134 | ||||
| 3135 | bool Hash = parseOptionalToken(AsmToken::Hash); | |||
| 3136 | ||||
| 3137 | if (!Hash && getLexer().isNot(AsmToken::Integer)) { | |||
| 3138 | if (ShOp == AArch64_AM::LSL || ShOp == AArch64_AM::LSR || | |||
| 3139 | ShOp == AArch64_AM::ASR || ShOp == AArch64_AM::ROR || | |||
| 3140 | ShOp == AArch64_AM::MSL) { | |||
| 3141 | // We expect a number here. | |||
| 3142 | TokError("expected #imm after shift specifier"); | |||
| 3143 | return MatchOperand_ParseFail; | |||
| 3144 | } | |||
| 3145 | ||||
| 3146 | // "extend" type operations don't need an immediate, #0 is implicit. | |||
| 3147 | SMLoc E = SMLoc::getFromPointer(getLoc().getPointer() - 1); | |||
| 3148 | Operands.push_back( | |||
| 3149 | AArch64Operand::CreateShiftExtend(ShOp, 0, false, S, E, getContext())); | |||
| 3150 | return MatchOperand_Success; | |||
| 3151 | } | |||
| 3152 | ||||
| 3153 | // Make sure we do actually have a number, identifier or a parenthesized | |||
| 3154 | // expression. | |||
| 3155 | SMLoc E = Parser.getTok().getLoc(); | |||
| 3156 | if (!Parser.getTok().is(AsmToken::Integer) && | |||
| 3157 | !Parser.getTok().is(AsmToken::LParen) && | |||
| 3158 | !Parser.getTok().is(AsmToken::Identifier)) { | |||
| 3159 | Error(E, "expected integer shift amount"); | |||
| 3160 | return MatchOperand_ParseFail; | |||
| 3161 | } | |||
| 3162 | ||||
| 3163 | const MCExpr *ImmVal; | |||
| 3164 | if (getParser().parseExpression(ImmVal)) | |||
| 3165 | return MatchOperand_ParseFail; | |||
| 3166 | ||||
| 3167 | const MCConstantExpr *MCE = dyn_cast<MCConstantExpr>(ImmVal); | |||
| 3168 | if (!MCE) { | |||
| 3169 | Error(E, "expected constant '#imm' after shift specifier"); | |||
| 3170 | return MatchOperand_ParseFail; | |||
| 3171 | } | |||
| 3172 | ||||
| 3173 | E = SMLoc::getFromPointer(getLoc().getPointer() - 1); | |||
| 3174 | Operands.push_back(AArch64Operand::CreateShiftExtend( | |||
| 3175 | ShOp, MCE->getValue(), true, S, E, getContext())); | |||
| 3176 | return MatchOperand_Success; | |||
| 3177 | } | |||
| 3178 | ||||
| 3179 | static const struct Extension { | |||
| 3180 | const char *Name; | |||
| 3181 | const FeatureBitset Features; | |||
| 3182 | } ExtensionMap[] = { | |||
| 3183 | {"crc", {AArch64::FeatureCRC}}, | |||
| 3184 | {"sm4", {AArch64::FeatureSM4}}, | |||
| 3185 | {"sha3", {AArch64::FeatureSHA3}}, | |||
| 3186 | {"sha2", {AArch64::FeatureSHA2}}, | |||
| 3187 | {"aes", {AArch64::FeatureAES}}, | |||
| 3188 | {"crypto", {AArch64::FeatureCrypto}}, | |||
| 3189 | {"fp", {AArch64::FeatureFPARMv8}}, | |||
| 3190 | {"simd", {AArch64::FeatureNEON}}, | |||
| 3191 | {"ras", {AArch64::FeatureRAS}}, | |||
| 3192 | {"lse", {AArch64::FeatureLSE}}, | |||
| 3193 | {"predres", {AArch64::FeaturePredRes}}, | |||
| 3194 | {"ccdp", {AArch64::FeatureCacheDeepPersist}}, | |||
| 3195 | {"mte", {AArch64::FeatureMTE}}, | |||
| 3196 | {"memtag", {AArch64::FeatureMTE}}, | |||
| 3197 | {"tlb-rmi", {AArch64::FeatureTLB_RMI}}, | |||
| 3198 | {"pan", {AArch64::FeaturePAN}}, | |||
| 3199 | {"pan-rwv", {AArch64::FeaturePAN_RWV}}, | |||
| 3200 | {"ccpp", {AArch64::FeatureCCPP}}, | |||
| 3201 | {"rcpc", {AArch64::FeatureRCPC}}, | |||
| 3202 | {"rng", {AArch64::FeatureRandGen}}, | |||
| 3203 | {"sve", {AArch64::FeatureSVE}}, | |||
| 3204 | {"sve2", {AArch64::FeatureSVE2}}, | |||
| 3205 | {"sve2-aes", {AArch64::FeatureSVE2AES}}, | |||
| 3206 | {"sve2-sm4", {AArch64::FeatureSVE2SM4}}, | |||
| 3207 | {"sve2-sha3", {AArch64::FeatureSVE2SHA3}}, | |||
| 3208 | {"sve2-bitperm", {AArch64::FeatureSVE2BitPerm}}, | |||
| 3209 | {"ls64", {AArch64::FeatureLS64}}, | |||
| 3210 | {"xs", {AArch64::FeatureXS}}, | |||
| 3211 | {"pauth", {AArch64::FeaturePAuth}}, | |||
| 3212 | {"flagm", {AArch64::FeatureFlagM}}, | |||
| 3213 | {"rme", {AArch64::FeatureRME}}, | |||
| 3214 | {"sme", {AArch64::FeatureSME}}, | |||
| 3215 | {"sme-f64", {AArch64::FeatureSMEF64}}, | |||
| 3216 | {"sme-i64", {AArch64::FeatureSMEI64}}, | |||
| 3217 | // FIXME: Unsupported extensions | |||
| 3218 | {"lor", {}}, | |||
| 3219 | {"rdma", {}}, | |||
| 3220 | {"profile", {}}, | |||
| 3221 | }; | |||
| 3222 | ||||
| 3223 | static void setRequiredFeatureString(FeatureBitset FBS, std::string &Str) { | |||
| 3224 | if (FBS[AArch64::HasV8_1aOps]) | |||
| 3225 | Str += "ARMv8.1a"; | |||
| 3226 | else if (FBS[AArch64::HasV8_2aOps]) | |||
| 3227 | Str += "ARMv8.2a"; | |||
| 3228 | else if (FBS[AArch64::HasV8_3aOps]) | |||
| 3229 | Str += "ARMv8.3a"; | |||
| 3230 | else if (FBS[AArch64::HasV8_4aOps]) | |||
| 3231 | Str += "ARMv8.4a"; | |||
| 3232 | else if (FBS[AArch64::HasV8_5aOps]) | |||
| 3233 | Str += "ARMv8.5a"; | |||
| 3234 | else if (FBS[AArch64::HasV8_6aOps]) | |||
| 3235 | Str += "ARMv8.6a"; | |||
| 3236 | else if (FBS[AArch64::HasV8_7aOps]) | |||
| 3237 | Str += "ARMv8.7a"; | |||
| 3238 | else { | |||
| 3239 | SmallVector<std::string, 2> ExtMatches; | |||
| 3240 | for (const auto& Ext : ExtensionMap) { | |||
| 3241 | // Use & in case multiple features are enabled | |||
| 3242 | if ((FBS & Ext.Features) != FeatureBitset()) | |||
| 3243 | ExtMatches.push_back(Ext.Name); | |||
| 3244 | } | |||
| 3245 | Str += !ExtMatches.empty() ? llvm::join(ExtMatches, ", ") : "(unknown)"; | |||
| 3246 | } | |||
| 3247 | } | |||
| 3248 | ||||
| 3249 | void AArch64AsmParser::createSysAlias(uint16_t Encoding, OperandVector &Operands, | |||
| 3250 | SMLoc S) { | |||
| 3251 | const uint16_t Op2 = Encoding & 7; | |||
| 3252 | const uint16_t Cm = (Encoding & 0x78) >> 3; | |||
| 3253 | const uint16_t Cn = (Encoding & 0x780) >> 7; | |||
| 3254 | const uint16_t Op1 = (Encoding & 0x3800) >> 11; | |||
| 3255 | ||||
| 3256 | const MCExpr *Expr = MCConstantExpr::create(Op1, getContext()); | |||
| 3257 | ||||
| 3258 | Operands.push_back( | |||
| 3259 | AArch64Operand::CreateImm(Expr, S, getLoc(), getContext())); | |||
| 3260 | Operands.push_back( | |||
| 3261 | AArch64Operand::CreateSysCR(Cn, S, getLoc(), getContext())); | |||
| 3262 | Operands.push_back( | |||
| 3263 | AArch64Operand::CreateSysCR(Cm, S, getLoc(), getContext())); | |||
| 3264 | Expr = MCConstantExpr::create(Op2, getContext()); | |||
| 3265 | Operands.push_back( | |||
| 3266 | AArch64Operand::CreateImm(Expr, S, getLoc(), getContext())); | |||
| 3267 | } | |||
| 3268 | ||||
| 3269 | /// parseSysAlias - The IC, DC, AT, and TLBI instructions are simple aliases for | |||
| 3270 | /// the SYS instruction. Parse them specially so that we create a SYS MCInst. | |||
| 3271 | bool AArch64AsmParser::parseSysAlias(StringRef Name, SMLoc NameLoc, | |||
| 3272 | OperandVector &Operands) { | |||
| 3273 | if (Name.find('.') != StringRef::npos) | |||
| 3274 | return TokError("invalid operand"); | |||
| 3275 | ||||
| 3276 | Mnemonic = Name; | |||
| 3277 | Operands.push_back( | |||
| 3278 | AArch64Operand::CreateToken("sys", false, NameLoc, getContext())); | |||
| 3279 | ||||
| 3280 | MCAsmParser &Parser = getParser(); | |||
| 3281 | const AsmToken &Tok = Parser.getTok(); | |||
| 3282 | StringRef Op = Tok.getString(); | |||
| 3283 | SMLoc S = Tok.getLoc(); | |||
| 3284 | ||||
| 3285 | if (Mnemonic == "ic") { | |||
| 3286 | const AArch64IC::IC *IC = AArch64IC::lookupICByName(Op); | |||
| 3287 | if (!IC) | |||
| 3288 | return TokError("invalid operand for IC instruction"); | |||
| 3289 | else if (!IC->haveFeatures(getSTI().getFeatureBits())) { | |||
| 3290 | std::string Str("IC " + std::string(IC->Name) + " requires: "); | |||
| 3291 | setRequiredFeatureString(IC->getRequiredFeatures(), Str); | |||
| 3292 | return TokError(Str.c_str()); | |||
| 3293 | } | |||
| 3294 | createSysAlias(IC->Encoding, Operands, S); | |||
| 3295 | } else if (Mnemonic == "dc") { | |||
| 3296 | const AArch64DC::DC *DC = AArch64DC::lookupDCByName(Op); | |||
| 3297 | if (!DC) | |||
| 3298 | return TokError("invalid operand for DC instruction"); | |||
| 3299 | else if (!DC->haveFeatures(getSTI().getFeatureBits())) { | |||
| 3300 | std::string Str("DC " + std::string(DC->Name) + " requires: "); | |||
| 3301 | setRequiredFeatureString(DC->getRequiredFeatures(), Str); | |||
| 3302 | return TokError(Str.c_str()); | |||
| 3303 | } | |||
| 3304 | createSysAlias(DC->Encoding, Operands, S); | |||
| 3305 | } else if (Mnemonic == "at") { | |||
| 3306 | const AArch64AT::AT *AT = AArch64AT::lookupATByName(Op); | |||
| 3307 | if (!AT) | |||
| 3308 | return TokError("invalid operand for AT instruction"); | |||
| 3309 | else if (!AT->haveFeatures(getSTI().getFeatureBits())) { | |||
| 3310 | std::string Str("AT " + std::string(AT->Name) + " requires: "); | |||
| 3311 | setRequiredFeatureString(AT->getRequiredFeatures(), Str); | |||
| 3312 | return TokError(Str.c_str()); | |||
| 3313 | } | |||
| 3314 | createSysAlias(AT->Encoding, Operands, S); | |||
| 3315 | } else if (Mnemonic == "tlbi") { | |||
| 3316 | const AArch64TLBI::TLBI *TLBI = AArch64TLBI::lookupTLBIByName(Op); | |||
| 3317 | if (!TLBI) | |||
| 3318 | return TokError("invalid operand for TLBI instruction"); | |||
| 3319 | else if (!TLBI->haveFeatures(getSTI().getFeatureBits())) { | |||
| 3320 | std::string Str("TLBI " + std::string(TLBI->Name) + " requires: "); | |||
| 3321 | setRequiredFeatureString(TLBI->getRequiredFeatures(), Str); | |||
| 3322 | return TokError(Str.c_str()); | |||
| 3323 | } | |||
| 3324 | createSysAlias(TLBI->Encoding, Operands, S); | |||
| 3325 | } else if (Mnemonic == "cfp" || Mnemonic == "dvp" || Mnemonic == "cpp") { | |||
| 3326 | const AArch64PRCTX::PRCTX *PRCTX = AArch64PRCTX::lookupPRCTXByName(Op); | |||
| 3327 | if (!PRCTX) | |||
| 3328 | return TokError("invalid operand for prediction restriction instruction"); | |||
| 3329 | else if (!PRCTX->haveFeatures(getSTI().getFeatureBits())) { | |||
| 3330 | std::string Str( | |||
| 3331 | Mnemonic.upper() + std::string(PRCTX->Name) + " requires: "); | |||
| 3332 | setRequiredFeatureString(PRCTX->getRequiredFeatures(), Str); | |||
| 3333 | return TokError(Str.c_str()); | |||
| 3334 | } | |||
| 3335 | uint16_t PRCTX_Op2 = | |||
| 3336 | Mnemonic == "cfp" ? 4 : | |||
| 3337 | Mnemonic == "dvp" ? 5 : | |||
| 3338 | Mnemonic == "cpp" ? 7 : | |||
| 3339 | 0; | |||
| 3340 | assert(PRCTX_Op2 && "Invalid mnemonic for prediction restriction instruction")(static_cast <bool> (PRCTX_Op2 && "Invalid mnemonic for prediction restriction instruction" ) ? void (0) : __assert_fail ("PRCTX_Op2 && \"Invalid mnemonic for prediction restriction instruction\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 3340, __extension__ __PRETTY_FUNCTION__)); | |||
| 3341 | createSysAlias(PRCTX->Encoding << 3 | PRCTX_Op2 , Operands, S); | |||
| 3342 | } | |||
| 3343 | ||||
| 3344 | Parser.Lex(); // Eat operand. | |||
| 3345 | ||||
| 3346 | bool ExpectRegister = (Op.lower().find("all") == StringRef::npos); | |||
| 3347 | bool HasRegister = false; | |||
| 3348 | ||||
| 3349 | // Check for the optional register operand. | |||
| 3350 | if (parseOptionalToken(AsmToken::Comma)) { | |||
| 3351 | if (Tok.isNot(AsmToken::Identifier) || parseRegister(Operands)) | |||
| 3352 | return TokError("expected register operand"); | |||
| 3353 | HasRegister = true; | |||
| 3354 | } | |||
| 3355 | ||||
| 3356 | if (ExpectRegister && !HasRegister) | |||
| 3357 | return TokError("specified " + Mnemonic + " op requires a register"); | |||
| 3358 | else if (!ExpectRegister && HasRegister) | |||
| 3359 | return TokError("specified " + Mnemonic + " op does not use a register"); | |||
| 3360 | ||||
| 3361 | if (parseToken(AsmToken::EndOfStatement, "unexpected token in argument list")) | |||
| 3362 | return true; | |||
| 3363 | ||||
| 3364 | return false; | |||
| 3365 | } | |||
| 3366 | ||||
| 3367 | OperandMatchResultTy | |||
| 3368 | AArch64AsmParser::tryParseBarrierOperand(OperandVector &Operands) { | |||
| 3369 | MCAsmParser &Parser = getParser(); | |||
| 3370 | const AsmToken &Tok = Parser.getTok(); | |||
| 3371 | ||||
| 3372 | if (Mnemonic == "tsb" && Tok.isNot(AsmToken::Identifier)) { | |||
| 3373 | TokError("'csync' operand expected"); | |||
| 3374 | return MatchOperand_ParseFail; | |||
| 3375 | } else if (parseOptionalToken(AsmToken::Hash) || Tok.is(AsmToken::Integer)) { | |||
| 3376 | // Immediate operand. | |||
| 3377 | const MCExpr *ImmVal; | |||
| 3378 | SMLoc ExprLoc = getLoc(); | |||
| 3379 | AsmToken IntTok = Tok; | |||
| 3380 | if (getParser().parseExpression(ImmVal)) | |||
| 3381 | return MatchOperand_ParseFail; | |||
| 3382 | const MCConstantExpr *MCE = dyn_cast<MCConstantExpr>(ImmVal); | |||
| 3383 | if (!MCE) { | |||
| 3384 | Error(ExprLoc, "immediate value expected for barrier operand"); | |||
| 3385 | return MatchOperand_ParseFail; | |||
| 3386 | } | |||
| 3387 | int64_t Value = MCE->getValue(); | |||
| 3388 | if (Mnemonic == "dsb" && Value > 15) { | |||
| 3389 | // This case is a no match here, but it might be matched by the nXS | |||
| 3390 | // variant. Deliberately not unlex the optional '#' as it is not necessary | |||
| 3391 | // to characterize an integer immediate. | |||
| 3392 | Parser.getLexer().UnLex(IntTok); | |||
| 3393 | return MatchOperand_NoMatch; | |||
| 3394 | } | |||
| 3395 | if (Value < 0 || Value > 15) { | |||
| 3396 | Error(ExprLoc, "barrier operand out of range"); | |||
| 3397 | return MatchOperand_ParseFail; | |||
| 3398 | } | |||
| 3399 | auto DB = AArch64DB::lookupDBByEncoding(Value); | |||
| 3400 | Operands.push_back(AArch64Operand::CreateBarrier(Value, DB ? DB->Name : "", | |||
| 3401 | ExprLoc, getContext(), | |||
| 3402 | false /*hasnXSModifier*/)); | |||
| 3403 | return MatchOperand_Success; | |||
| 3404 | } | |||
| 3405 | ||||
| 3406 | if (Tok.isNot(AsmToken::Identifier)) { | |||
| 3407 | TokError("invalid operand for instruction"); | |||
| 3408 | return MatchOperand_ParseFail; | |||
| 3409 | } | |||
| 3410 | ||||
| 3411 | StringRef Operand = Tok.getString(); | |||
| 3412 | auto TSB = AArch64TSB::lookupTSBByName(Operand); | |||
| 3413 | auto DB = AArch64DB::lookupDBByName(Operand); | |||
| 3414 | // The only valid named option for ISB is 'sy' | |||
| 3415 | if (Mnemonic == "isb" && (!DB || DB->Encoding != AArch64DB::sy)) { | |||
| 3416 | TokError("'sy' or #imm operand expected"); | |||
| 3417 | return MatchOperand_ParseFail; | |||
| 3418 | // The only valid named option for TSB is 'csync' | |||
| 3419 | } else if (Mnemonic == "tsb" && (!TSB || TSB->Encoding != AArch64TSB::csync)) { | |||
| 3420 | TokError("'csync' operand expected"); | |||
| 3421 | return MatchOperand_ParseFail; | |||
| 3422 | } else if (!DB && !TSB) { | |||
| 3423 | if (Mnemonic == "dsb") { | |||
| 3424 | // This case is a no match here, but it might be matched by the nXS | |||
| 3425 | // variant. | |||
| 3426 | return MatchOperand_NoMatch; | |||
| 3427 | } | |||
| 3428 | TokError("invalid barrier option name"); | |||
| 3429 | return MatchOperand_ParseFail; | |||
| 3430 | } | |||
| 3431 | ||||
| 3432 | Operands.push_back(AArch64Operand::CreateBarrier( | |||
| 3433 | DB ? DB->Encoding : TSB->Encoding, Tok.getString(), getLoc(), | |||
| 3434 | getContext(), false /*hasnXSModifier*/)); | |||
| 3435 | Parser.Lex(); // Consume the option | |||
| 3436 | ||||
| 3437 | return MatchOperand_Success; | |||
| 3438 | } | |||
| 3439 | ||||
| 3440 | OperandMatchResultTy | |||
| 3441 | AArch64AsmParser::tryParseBarriernXSOperand(OperandVector &Operands) { | |||
| 3442 | MCAsmParser &Parser = getParser(); | |||
| 3443 | const AsmToken &Tok = Parser.getTok(); | |||
| 3444 | ||||
| 3445 | assert(Mnemonic == "dsb" && "Instruction does not accept nXS operands")(static_cast <bool> (Mnemonic == "dsb" && "Instruction does not accept nXS operands" ) ? void (0) : __assert_fail ("Mnemonic == \"dsb\" && \"Instruction does not accept nXS operands\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 3445, __extension__ __PRETTY_FUNCTION__)); | |||
| 3446 | if (Mnemonic != "dsb") | |||
| 3447 | return MatchOperand_ParseFail; | |||
| 3448 | ||||
| 3449 | if (parseOptionalToken(AsmToken::Hash) || Tok.is(AsmToken::Integer)) { | |||
| 3450 | // Immediate operand. | |||
| 3451 | const MCExpr *ImmVal; | |||
| 3452 | SMLoc ExprLoc = getLoc(); | |||
| 3453 | if (getParser().parseExpression(ImmVal)) | |||
| 3454 | return MatchOperand_ParseFail; | |||
| 3455 | const MCConstantExpr *MCE = dyn_cast<MCConstantExpr>(ImmVal); | |||
| 3456 | if (!MCE) { | |||
| 3457 | Error(ExprLoc, "immediate value expected for barrier operand"); | |||
| 3458 | return MatchOperand_ParseFail; | |||
| 3459 | } | |||
| 3460 | int64_t Value = MCE->getValue(); | |||
| 3461 | // v8.7-A DSB in the nXS variant accepts only the following immediate | |||
| 3462 | // values: 16, 20, 24, 28. | |||
| 3463 | if (Value != 16 && Value != 20 && Value != 24 && Value != 28) { | |||
| 3464 | Error(ExprLoc, "barrier operand out of range"); | |||
| 3465 | return MatchOperand_ParseFail; | |||
| 3466 | } | |||
| 3467 | auto DB = AArch64DBnXS::lookupDBnXSByImmValue(Value); | |||
| 3468 | Operands.push_back(AArch64Operand::CreateBarrier(DB->Encoding, DB->Name, | |||
| 3469 | ExprLoc, getContext(), | |||
| 3470 | true /*hasnXSModifier*/)); | |||
| 3471 | return MatchOperand_Success; | |||
| 3472 | } | |||
| 3473 | ||||
| 3474 | if (Tok.isNot(AsmToken::Identifier)) { | |||
| 3475 | TokError("invalid operand for instruction"); | |||
| 3476 | return MatchOperand_ParseFail; | |||
| 3477 | } | |||
| 3478 | ||||
| 3479 | StringRef Operand = Tok.getString(); | |||
| 3480 | auto DB = AArch64DBnXS::lookupDBnXSByName(Operand); | |||
| 3481 | ||||
| 3482 | if (!DB) { | |||
| 3483 | TokError("invalid barrier option name"); | |||
| 3484 | return MatchOperand_ParseFail; | |||
| 3485 | } | |||
| 3486 | ||||
| 3487 | Operands.push_back( | |||
| 3488 | AArch64Operand::CreateBarrier(DB->Encoding, Tok.getString(), getLoc(), | |||
| 3489 | getContext(), true /*hasnXSModifier*/)); | |||
| 3490 | Parser.Lex(); // Consume the option | |||
| 3491 | ||||
| 3492 | return MatchOperand_Success; | |||
| 3493 | } | |||
| 3494 | ||||
| 3495 | OperandMatchResultTy | |||
| 3496 | AArch64AsmParser::tryParseSysReg(OperandVector &Operands) { | |||
| 3497 | MCAsmParser &Parser = getParser(); | |||
| 3498 | const AsmToken &Tok = Parser.getTok(); | |||
| 3499 | ||||
| 3500 | if (Tok.isNot(AsmToken::Identifier)) | |||
| 3501 | return MatchOperand_NoMatch; | |||
| 3502 | ||||
| 3503 | if (AArch64SVCR::lookupSVCRByName(Tok.getString())) | |||
| 3504 | return MatchOperand_NoMatch; | |||
| 3505 | ||||
| 3506 | int MRSReg, MSRReg; | |||
| 3507 | auto SysReg = AArch64SysReg::lookupSysRegByName(Tok.getString()); | |||
| 3508 | if (SysReg && SysReg->haveFeatures(getSTI().getFeatureBits())) { | |||
| 3509 | MRSReg = SysReg->Readable ? SysReg->Encoding : -1; | |||
| 3510 | MSRReg = SysReg->Writeable ? SysReg->Encoding : -1; | |||
| 3511 | } else | |||
| 3512 | MRSReg = MSRReg = AArch64SysReg::parseGenericRegister(Tok.getString()); | |||
| 3513 | ||||
| 3514 | auto PState = AArch64PState::lookupPStateByName(Tok.getString()); | |||
| 3515 | unsigned PStateImm = -1; | |||
| 3516 | if (PState && PState->haveFeatures(getSTI().getFeatureBits())) | |||
| 3517 | PStateImm = PState->Encoding; | |||
| 3518 | ||||
| 3519 | Operands.push_back( | |||
| 3520 | AArch64Operand::CreateSysReg(Tok.getString(), getLoc(), MRSReg, MSRReg, | |||
| 3521 | PStateImm, getContext())); | |||
| 3522 | Parser.Lex(); // Eat identifier | |||
| 3523 | ||||
| 3524 | return MatchOperand_Success; | |||
| 3525 | } | |||
| 3526 | ||||
| 3527 | /// tryParseNeonVectorRegister - Parse a vector register operand. | |||
| 3528 | bool AArch64AsmParser::tryParseNeonVectorRegister(OperandVector &Operands) { | |||
| 3529 | MCAsmParser &Parser = getParser(); | |||
| 3530 | if (Parser.getTok().isNot(AsmToken::Identifier)) | |||
| 3531 | return true; | |||
| 3532 | ||||
| 3533 | SMLoc S = getLoc(); | |||
| 3534 | // Check for a vector register specifier first. | |||
| 3535 | StringRef Kind; | |||
| 3536 | unsigned Reg; | |||
| 3537 | OperandMatchResultTy Res = | |||
| 3538 | tryParseVectorRegister(Reg, Kind, RegKind::NeonVector); | |||
| 3539 | if (Res != MatchOperand_Success) | |||
| 3540 | return true; | |||
| 3541 | ||||
| 3542 | const auto &KindRes = parseVectorKind(Kind, RegKind::NeonVector); | |||
| 3543 | if (!KindRes) | |||
| 3544 | return true; | |||
| 3545 | ||||
| 3546 | unsigned ElementWidth = KindRes->second; | |||
| 3547 | Operands.push_back( | |||
| 3548 | AArch64Operand::CreateVectorReg(Reg, RegKind::NeonVector, ElementWidth, | |||
| 3549 | S, getLoc(), getContext())); | |||
| 3550 | ||||
| 3551 | // If there was an explicit qualifier, that goes on as a literal text | |||
| 3552 | // operand. | |||
| 3553 | if (!Kind.empty()) | |||
| 3554 | Operands.push_back( | |||
| 3555 | AArch64Operand::CreateToken(Kind, false, S, getContext())); | |||
| 3556 | ||||
| 3557 | return tryParseVectorIndex(Operands) == MatchOperand_ParseFail; | |||
| 3558 | } | |||
| 3559 | ||||
| 3560 | OperandMatchResultTy | |||
| 3561 | AArch64AsmParser::tryParseVectorIndex(OperandVector &Operands) { | |||
| 3562 | SMLoc SIdx = getLoc(); | |||
| 3563 | if (parseOptionalToken(AsmToken::LBrac)) { | |||
| 3564 | const MCExpr *ImmVal; | |||
| 3565 | if (getParser().parseExpression(ImmVal)) | |||
| 3566 | return MatchOperand_NoMatch; | |||
| 3567 | const MCConstantExpr *MCE = dyn_cast<MCConstantExpr>(ImmVal); | |||
| 3568 | if (!MCE) { | |||
| 3569 | TokError("immediate value expected for vector index"); | |||
| 3570 | return MatchOperand_ParseFail;; | |||
| 3571 | } | |||
| 3572 | ||||
| 3573 | SMLoc E = getLoc(); | |||
| 3574 | ||||
| 3575 | if (parseToken(AsmToken::RBrac, "']' expected")) | |||
| 3576 | return MatchOperand_ParseFail;; | |||
| 3577 | ||||
| 3578 | Operands.push_back(AArch64Operand::CreateVectorIndex(MCE->getValue(), SIdx, | |||
| 3579 | E, getContext())); | |||
| 3580 | return MatchOperand_Success; | |||
| 3581 | } | |||
| 3582 | ||||
| 3583 | return MatchOperand_NoMatch; | |||
| 3584 | } | |||
| 3585 | ||||
| 3586 | // tryParseVectorRegister - Try to parse a vector register name with | |||
| 3587 | // optional kind specifier. If it is a register specifier, eat the token | |||
| 3588 | // and return it. | |||
| 3589 | OperandMatchResultTy | |||
| 3590 | AArch64AsmParser::tryParseVectorRegister(unsigned &Reg, StringRef &Kind, | |||
| 3591 | RegKind MatchKind) { | |||
| 3592 | MCAsmParser &Parser = getParser(); | |||
| 3593 | const AsmToken &Tok = Parser.getTok(); | |||
| 3594 | ||||
| 3595 | if (Tok.isNot(AsmToken::Identifier)) | |||
| 3596 | return MatchOperand_NoMatch; | |||
| 3597 | ||||
| 3598 | StringRef Name = Tok.getString(); | |||
| 3599 | // If there is a kind specifier, it's separated from the register name by | |||
| 3600 | // a '.'. | |||
| 3601 | size_t Start = 0, Next = Name.find('.'); | |||
| 3602 | StringRef Head = Name.slice(Start, Next); | |||
| 3603 | unsigned RegNum = matchRegisterNameAlias(Head, MatchKind); | |||
| 3604 | ||||
| 3605 | if (RegNum) { | |||
| 3606 | if (Next != StringRef::npos) { | |||
| 3607 | Kind = Name.slice(Next, StringRef::npos); | |||
| 3608 | if (!isValidVectorKind(Kind, MatchKind)) { | |||
| 3609 | TokError("invalid vector kind qualifier"); | |||
| 3610 | return MatchOperand_ParseFail; | |||
| 3611 | } | |||
| 3612 | } | |||
| 3613 | Parser.Lex(); // Eat the register token. | |||
| 3614 | ||||
| 3615 | Reg = RegNum; | |||
| 3616 | return MatchOperand_Success; | |||
| 3617 | } | |||
| 3618 | ||||
| 3619 | return MatchOperand_NoMatch; | |||
| 3620 | } | |||
| 3621 | ||||
| 3622 | /// tryParseSVEPredicateVector - Parse a SVE predicate register operand. | |||
| 3623 | OperandMatchResultTy | |||
| 3624 | AArch64AsmParser::tryParseSVEPredicateVector(OperandVector &Operands) { | |||
| 3625 | // Check for a SVE predicate register specifier first. | |||
| 3626 | const SMLoc S = getLoc(); | |||
| 3627 | StringRef Kind; | |||
| 3628 | unsigned RegNum; | |||
| 3629 | auto Res = tryParseVectorRegister(RegNum, Kind, RegKind::SVEPredicateVector); | |||
| 3630 | if (Res != MatchOperand_Success) | |||
| 3631 | return Res; | |||
| 3632 | ||||
| 3633 | const auto &KindRes = parseVectorKind(Kind, RegKind::SVEPredicateVector); | |||
| 3634 | if (!KindRes) | |||
| 3635 | return MatchOperand_NoMatch; | |||
| 3636 | ||||
| 3637 | unsigned ElementWidth = KindRes->second; | |||
| 3638 | Operands.push_back(AArch64Operand::CreateVectorReg( | |||
| 3639 | RegNum, RegKind::SVEPredicateVector, ElementWidth, S, | |||
| 3640 | getLoc(), getContext())); | |||
| 3641 | ||||
| 3642 | if (getLexer().is(AsmToken::LBrac)) { | |||
| 3643 | // Indexed predicate, there's no comma so try parse the next operand | |||
| 3644 | // immediately. | |||
| 3645 | if (parseOperand(Operands, false, false)) | |||
| 3646 | return MatchOperand_NoMatch; | |||
| 3647 | } | |||
| 3648 | ||||
| 3649 | // Not all predicates are followed by a '/m' or '/z'. | |||
| 3650 | MCAsmParser &Parser = getParser(); | |||
| 3651 | if (Parser.getTok().isNot(AsmToken::Slash)) | |||
| 3652 | return MatchOperand_Success; | |||
| 3653 | ||||
| 3654 | // But when they do they shouldn't have an element type suffix. | |||
| 3655 | if (!Kind.empty()) { | |||
| 3656 | Error(S, "not expecting size suffix"); | |||
| 3657 | return MatchOperand_ParseFail; | |||
| 3658 | } | |||
| 3659 | ||||
| 3660 | // Add a literal slash as operand | |||
| 3661 | Operands.push_back( | |||
| 3662 | AArch64Operand::CreateToken("/" , false, getLoc(), getContext())); | |||
| 3663 | ||||
| 3664 | Parser.Lex(); // Eat the slash. | |||
| 3665 | ||||
| 3666 | // Zeroing or merging? | |||
| 3667 | auto Pred = Parser.getTok().getString().lower(); | |||
| 3668 | if (Pred != "z" && Pred != "m") { | |||
| 3669 | Error(getLoc(), "expecting 'm' or 'z' predication"); | |||
| 3670 | return MatchOperand_ParseFail; | |||
| 3671 | } | |||
| 3672 | ||||
| 3673 | // Add zero/merge token. | |||
| 3674 | const char *ZM = Pred == "z" ? "z" : "m"; | |||
| 3675 | Operands.push_back( | |||
| 3676 | AArch64Operand::CreateToken(ZM, false, getLoc(), getContext())); | |||
| 3677 | ||||
| 3678 | Parser.Lex(); // Eat zero/merge token. | |||
| 3679 | return MatchOperand_Success; | |||
| 3680 | } | |||
| 3681 | ||||
| 3682 | /// parseRegister - Parse a register operand. | |||
| 3683 | bool AArch64AsmParser::parseRegister(OperandVector &Operands) { | |||
| 3684 | // Try for a Neon vector register. | |||
| 3685 | if (!tryParseNeonVectorRegister(Operands)) | |||
| 3686 | return false; | |||
| 3687 | ||||
| 3688 | // Otherwise try for a scalar register. | |||
| 3689 | if (tryParseGPROperand<false>(Operands) == MatchOperand_Success) | |||
| 3690 | return false; | |||
| 3691 | ||||
| 3692 | return true; | |||
| 3693 | } | |||
| 3694 | ||||
| 3695 | bool AArch64AsmParser::parseSymbolicImmVal(const MCExpr *&ImmVal) { | |||
| 3696 | MCAsmParser &Parser = getParser(); | |||
| 3697 | bool HasELFModifier = false; | |||
| 3698 | AArch64MCExpr::VariantKind RefKind; | |||
| 3699 | ||||
| 3700 | if (parseOptionalToken(AsmToken::Colon)) { | |||
| 3701 | HasELFModifier = true; | |||
| 3702 | ||||
| 3703 | if (Parser.getTok().isNot(AsmToken::Identifier)) | |||
| 3704 | return TokError("expect relocation specifier in operand after ':'"); | |||
| 3705 | ||||
| 3706 | std::string LowerCase = Parser.getTok().getIdentifier().lower(); | |||
| 3707 | RefKind = StringSwitch<AArch64MCExpr::VariantKind>(LowerCase) | |||
| 3708 | .Case("lo12", AArch64MCExpr::VK_LO12) | |||
| 3709 | .Case("abs_g3", AArch64MCExpr::VK_ABS_G3) | |||
| 3710 | .Case("abs_g2", AArch64MCExpr::VK_ABS_G2) | |||
| 3711 | .Case("abs_g2_s", AArch64MCExpr::VK_ABS_G2_S) | |||
| 3712 | .Case("abs_g2_nc", AArch64MCExpr::VK_ABS_G2_NC) | |||
| 3713 | .Case("abs_g1", AArch64MCExpr::VK_ABS_G1) | |||
| 3714 | .Case("abs_g1_s", AArch64MCExpr::VK_ABS_G1_S) | |||
| 3715 | .Case("abs_g1_nc", AArch64MCExpr::VK_ABS_G1_NC) | |||
| 3716 | .Case("abs_g0", AArch64MCExpr::VK_ABS_G0) | |||
| 3717 | .Case("abs_g0_s", AArch64MCExpr::VK_ABS_G0_S) | |||
| 3718 | .Case("abs_g0_nc", AArch64MCExpr::VK_ABS_G0_NC) | |||
| 3719 | .Case("prel_g3", AArch64MCExpr::VK_PREL_G3) | |||
| 3720 | .Case("prel_g2", AArch64MCExpr::VK_PREL_G2) | |||
| 3721 | .Case("prel_g2_nc", AArch64MCExpr::VK_PREL_G2_NC) | |||
| 3722 | .Case("prel_g1", AArch64MCExpr::VK_PREL_G1) | |||
| 3723 | .Case("prel_g1_nc", AArch64MCExpr::VK_PREL_G1_NC) | |||
| 3724 | .Case("prel_g0", AArch64MCExpr::VK_PREL_G0) | |||
| 3725 | .Case("prel_g0_nc", AArch64MCExpr::VK_PREL_G0_NC) | |||
| 3726 | .Case("dtprel_g2", AArch64MCExpr::VK_DTPREL_G2) | |||
| 3727 | .Case("dtprel_g1", AArch64MCExpr::VK_DTPREL_G1) | |||
| 3728 | .Case("dtprel_g1_nc", AArch64MCExpr::VK_DTPREL_G1_NC) | |||
| 3729 | .Case("dtprel_g0", AArch64MCExpr::VK_DTPREL_G0) | |||
| 3730 | .Case("dtprel_g0_nc", AArch64MCExpr::VK_DTPREL_G0_NC) | |||
| 3731 | .Case("dtprel_hi12", AArch64MCExpr::VK_DTPREL_HI12) | |||
| 3732 | .Case("dtprel_lo12", AArch64MCExpr::VK_DTPREL_LO12) | |||
| 3733 | .Case("dtprel_lo12_nc", AArch64MCExpr::VK_DTPREL_LO12_NC) | |||
| 3734 | .Case("pg_hi21_nc", AArch64MCExpr::VK_ABS_PAGE_NC) | |||
| 3735 | .Case("tprel_g2", AArch64MCExpr::VK_TPREL_G2) | |||
| 3736 | .Case("tprel_g1", AArch64MCExpr::VK_TPREL_G1) | |||
| 3737 | .Case("tprel_g1_nc", AArch64MCExpr::VK_TPREL_G1_NC) | |||
| 3738 | .Case("tprel_g0", AArch64MCExpr::VK_TPREL_G0) | |||
| 3739 | .Case("tprel_g0_nc", AArch64MCExpr::VK_TPREL_G0_NC) | |||
| 3740 | .Case("tprel_hi12", AArch64MCExpr::VK_TPREL_HI12) | |||
| 3741 | .Case("tprel_lo12", AArch64MCExpr::VK_TPREL_LO12) | |||
| 3742 | .Case("tprel_lo12_nc", AArch64MCExpr::VK_TPREL_LO12_NC) | |||
| 3743 | .Case("tlsdesc_lo12", AArch64MCExpr::VK_TLSDESC_LO12) | |||
| 3744 | .Case("got", AArch64MCExpr::VK_GOT_PAGE) | |||
| 3745 | .Case("gotpage_lo15", AArch64MCExpr::VK_GOT_PAGE_LO15) | |||
| 3746 | .Case("got_lo12", AArch64MCExpr::VK_GOT_LO12) | |||
| 3747 | .Case("gottprel", AArch64MCExpr::VK_GOTTPREL_PAGE) | |||
| 3748 | .Case("gottprel_lo12", AArch64MCExpr::VK_GOTTPREL_LO12_NC) | |||
| 3749 | .Case("gottprel_g1", AArch64MCExpr::VK_GOTTPREL_G1) | |||
| 3750 | .Case("gottprel_g0_nc", AArch64MCExpr::VK_GOTTPREL_G0_NC) | |||
| 3751 | .Case("tlsdesc", AArch64MCExpr::VK_TLSDESC_PAGE) | |||
| 3752 | .Case("secrel_lo12", AArch64MCExpr::VK_SECREL_LO12) | |||
| 3753 | .Case("secrel_hi12", AArch64MCExpr::VK_SECREL_HI12) | |||
| 3754 | .Default(AArch64MCExpr::VK_INVALID); | |||
| 3755 | ||||
| 3756 | if (RefKind == AArch64MCExpr::VK_INVALID) | |||
| 3757 | return TokError("expect relocation specifier in operand after ':'"); | |||
| 3758 | ||||
| 3759 | Parser.Lex(); // Eat identifier | |||
| 3760 | ||||
| 3761 | if (parseToken(AsmToken::Colon, "expect ':' after relocation specifier")) | |||
| 3762 | return true; | |||
| 3763 | } | |||
| 3764 | ||||
| 3765 | if (getParser().parseExpression(ImmVal)) | |||
| 3766 | return true; | |||
| 3767 | ||||
| 3768 | if (HasELFModifier) | |||
| 3769 | ImmVal = AArch64MCExpr::create(ImmVal, RefKind, getContext()); | |||
| 3770 | ||||
| 3771 | return false; | |||
| 3772 | } | |||
| 3773 | ||||
| 3774 | template <RegKind VectorKind> | |||
| 3775 | OperandMatchResultTy | |||
| 3776 | AArch64AsmParser::tryParseVectorList(OperandVector &Operands, | |||
| 3777 | bool ExpectMatch) { | |||
| 3778 | MCAsmParser &Parser = getParser(); | |||
| 3779 | if (!Parser.getTok().is(AsmToken::LCurly)) | |||
| 3780 | return MatchOperand_NoMatch; | |||
| 3781 | ||||
| 3782 | // Wrapper around parse function | |||
| 3783 | auto ParseVector = [this, &Parser](unsigned &Reg, StringRef &Kind, SMLoc Loc, | |||
| 3784 | bool NoMatchIsError) { | |||
| 3785 | auto RegTok = Parser.getTok(); | |||
| 3786 | auto ParseRes = tryParseVectorRegister(Reg, Kind, VectorKind); | |||
| 3787 | if (ParseRes == MatchOperand_Success) { | |||
| 3788 | if (parseVectorKind(Kind, VectorKind)) | |||
| 3789 | return ParseRes; | |||
| 3790 | llvm_unreachable("Expected a valid vector kind")::llvm::llvm_unreachable_internal("Expected a valid vector kind" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 3790); | |||
| 3791 | } | |||
| 3792 | ||||
| 3793 | if (RegTok.isNot(AsmToken::Identifier) || | |||
| 3794 | ParseRes == MatchOperand_ParseFail || | |||
| 3795 | (ParseRes == MatchOperand_NoMatch && NoMatchIsError && | |||
| 3796 | !RegTok.getString().startswith_insensitive("za"))) { | |||
| 3797 | Error(Loc, "vector register expected"); | |||
| 3798 | return MatchOperand_ParseFail; | |||
| 3799 | } | |||
| 3800 | ||||
| 3801 | return MatchOperand_NoMatch; | |||
| 3802 | }; | |||
| 3803 | ||||
| 3804 | SMLoc S = getLoc(); | |||
| 3805 | auto LCurly = Parser.getTok(); | |||
| 3806 | Parser.Lex(); // Eat left bracket token. | |||
| 3807 | ||||
| 3808 | StringRef Kind; | |||
| 3809 | unsigned FirstReg; | |||
| 3810 | auto ParseRes = ParseVector(FirstReg, Kind, getLoc(), ExpectMatch); | |||
| 3811 | ||||
| 3812 | // Put back the original left bracket if there was no match, so that | |||
| 3813 | // different types of list-operands can be matched (e.g. SVE, Neon). | |||
| 3814 | if (ParseRes == MatchOperand_NoMatch) | |||
| 3815 | Parser.getLexer().UnLex(LCurly); | |||
| 3816 | ||||
| 3817 | if (ParseRes != MatchOperand_Success) | |||
| 3818 | return ParseRes; | |||
| 3819 | ||||
| 3820 | int64_t PrevReg = FirstReg; | |||
| 3821 | unsigned Count = 1; | |||
| 3822 | ||||
| 3823 | if (parseOptionalToken(AsmToken::Minus)) { | |||
| 3824 | SMLoc Loc = getLoc(); | |||
| 3825 | StringRef NextKind; | |||
| 3826 | ||||
| 3827 | unsigned Reg; | |||
| 3828 | ParseRes = ParseVector(Reg, NextKind, getLoc(), true); | |||
| 3829 | if (ParseRes != MatchOperand_Success) | |||
| 3830 | return ParseRes; | |||
| 3831 | ||||
| 3832 | // Any Kind suffices must match on all regs in the list. | |||
| 3833 | if (Kind != NextKind) { | |||
| 3834 | Error(Loc, "mismatched register size suffix"); | |||
| 3835 | return MatchOperand_ParseFail; | |||
| 3836 | } | |||
| 3837 | ||||
| 3838 | unsigned Space = (PrevReg < Reg) ? (Reg - PrevReg) : (Reg + 32 - PrevReg); | |||
| 3839 | ||||
| 3840 | if (Space == 0 || Space > 3) { | |||
| 3841 | Error(Loc, "invalid number of vectors"); | |||
| 3842 | return MatchOperand_ParseFail; | |||
| 3843 | } | |||
| 3844 | ||||
| 3845 | Count += Space; | |||
| 3846 | } | |||
| 3847 | else { | |||
| 3848 | while (parseOptionalToken(AsmToken::Comma)) { | |||
| 3849 | SMLoc Loc = getLoc(); | |||
| 3850 | StringRef NextKind; | |||
| 3851 | unsigned Reg; | |||
| 3852 | ParseRes = ParseVector(Reg, NextKind, getLoc(), true); | |||
| 3853 | if (ParseRes != MatchOperand_Success) | |||
| 3854 | return ParseRes; | |||
| 3855 | ||||
| 3856 | // Any Kind suffices must match on all regs in the list. | |||
| 3857 | if (Kind != NextKind) { | |||
| 3858 | Error(Loc, "mismatched register size suffix"); | |||
| 3859 | return MatchOperand_ParseFail; | |||
| 3860 | } | |||
| 3861 | ||||
| 3862 | // Registers must be incremental (with wraparound at 31) | |||
| 3863 | if (getContext().getRegisterInfo()->getEncodingValue(Reg) != | |||
| 3864 | (getContext().getRegisterInfo()->getEncodingValue(PrevReg) + 1) % 32) { | |||
| 3865 | Error(Loc, "registers must be sequential"); | |||
| 3866 | return MatchOperand_ParseFail; | |||
| 3867 | } | |||
| 3868 | ||||
| 3869 | PrevReg = Reg; | |||
| 3870 | ++Count; | |||
| 3871 | } | |||
| 3872 | } | |||
| 3873 | ||||
| 3874 | if (parseToken(AsmToken::RCurly, "'}' expected")) | |||
| 3875 | return MatchOperand_ParseFail; | |||
| 3876 | ||||
| 3877 | if (Count > 4) { | |||
| 3878 | Error(S, "invalid number of vectors"); | |||
| 3879 | return MatchOperand_ParseFail; | |||
| 3880 | } | |||
| 3881 | ||||
| 3882 | unsigned NumElements = 0; | |||
| 3883 | unsigned ElementWidth = 0; | |||
| 3884 | if (!Kind.empty()) { | |||
| 3885 | if (const auto &VK = parseVectorKind(Kind, VectorKind)) | |||
| 3886 | std::tie(NumElements, ElementWidth) = *VK; | |||
| 3887 | } | |||
| 3888 | ||||
| 3889 | Operands.push_back(AArch64Operand::CreateVectorList( | |||
| 3890 | FirstReg, Count, NumElements, ElementWidth, VectorKind, S, getLoc(), | |||
| 3891 | getContext())); | |||
| 3892 | ||||
| 3893 | return MatchOperand_Success; | |||
| 3894 | } | |||
| 3895 | ||||
| 3896 | /// parseNeonVectorList - Parse a vector list operand for AdvSIMD instructions. | |||
| 3897 | bool AArch64AsmParser::parseNeonVectorList(OperandVector &Operands) { | |||
| 3898 | auto ParseRes = tryParseVectorList<RegKind::NeonVector>(Operands, true); | |||
| 3899 | if (ParseRes != MatchOperand_Success) | |||
| 3900 | return true; | |||
| 3901 | ||||
| 3902 | return tryParseVectorIndex(Operands) == MatchOperand_ParseFail; | |||
| 3903 | } | |||
| 3904 | ||||
| 3905 | OperandMatchResultTy | |||
| 3906 | AArch64AsmParser::tryParseGPR64sp0Operand(OperandVector &Operands) { | |||
| 3907 | SMLoc StartLoc = getLoc(); | |||
| 3908 | ||||
| 3909 | unsigned RegNum; | |||
| 3910 | OperandMatchResultTy Res = tryParseScalarRegister(RegNum); | |||
| 3911 | if (Res != MatchOperand_Success) | |||
| 3912 | return Res; | |||
| 3913 | ||||
| 3914 | if (!parseOptionalToken(AsmToken::Comma)) { | |||
| 3915 | Operands.push_back(AArch64Operand::CreateReg( | |||
| 3916 | RegNum, RegKind::Scalar, StartLoc, getLoc(), getContext())); | |||
| 3917 | return MatchOperand_Success; | |||
| 3918 | } | |||
| 3919 | ||||
| 3920 | parseOptionalToken(AsmToken::Hash); | |||
| 3921 | ||||
| 3922 | if (getParser().getTok().isNot(AsmToken::Integer)) { | |||
| 3923 | Error(getLoc(), "index must be absent or #0"); | |||
| 3924 | return MatchOperand_ParseFail; | |||
| 3925 | } | |||
| 3926 | ||||
| 3927 | const MCExpr *ImmVal; | |||
| 3928 | if (getParser().parseExpression(ImmVal) || !isa<MCConstantExpr>(ImmVal) || | |||
| 3929 | cast<MCConstantExpr>(ImmVal)->getValue() != 0) { | |||
| 3930 | Error(getLoc(), "index must be absent or #0"); | |||
| 3931 | return MatchOperand_ParseFail; | |||
| 3932 | } | |||
| 3933 | ||||
| 3934 | Operands.push_back(AArch64Operand::CreateReg( | |||
| 3935 | RegNum, RegKind::Scalar, StartLoc, getLoc(), getContext())); | |||
| 3936 | return MatchOperand_Success; | |||
| 3937 | } | |||
| 3938 | ||||
| 3939 | template <bool ParseShiftExtend, RegConstraintEqualityTy EqTy> | |||
| 3940 | OperandMatchResultTy | |||
| 3941 | AArch64AsmParser::tryParseGPROperand(OperandVector &Operands) { | |||
| 3942 | SMLoc StartLoc = getLoc(); | |||
| 3943 | ||||
| 3944 | unsigned RegNum; | |||
| 3945 | OperandMatchResultTy Res = tryParseScalarRegister(RegNum); | |||
| 3946 | if (Res != MatchOperand_Success) | |||
| 3947 | return Res; | |||
| 3948 | ||||
| 3949 | // No shift/extend is the default. | |||
| 3950 | if (!ParseShiftExtend || getParser().getTok().isNot(AsmToken::Comma)) { | |||
| 3951 | Operands.push_back(AArch64Operand::CreateReg( | |||
| 3952 | RegNum, RegKind::Scalar, StartLoc, getLoc(), getContext(), EqTy)); | |||
| 3953 | return MatchOperand_Success; | |||
| 3954 | } | |||
| 3955 | ||||
| 3956 | // Eat the comma | |||
| 3957 | getParser().Lex(); | |||
| 3958 | ||||
| 3959 | // Match the shift | |||
| 3960 | SmallVector<std::unique_ptr<MCParsedAsmOperand>, 1> ExtOpnd; | |||
| 3961 | Res = tryParseOptionalShiftExtend(ExtOpnd); | |||
| 3962 | if (Res != MatchOperand_Success) | |||
| 3963 | return Res; | |||
| 3964 | ||||
| 3965 | auto Ext = static_cast<AArch64Operand*>(ExtOpnd.back().get()); | |||
| 3966 | Operands.push_back(AArch64Operand::CreateReg( | |||
| 3967 | RegNum, RegKind::Scalar, StartLoc, Ext->getEndLoc(), getContext(), EqTy, | |||
| 3968 | Ext->getShiftExtendType(), Ext->getShiftExtendAmount(), | |||
| 3969 | Ext->hasShiftExtendAmount())); | |||
| 3970 | ||||
| 3971 | return MatchOperand_Success; | |||
| 3972 | } | |||
| 3973 | ||||
| 3974 | bool AArch64AsmParser::parseOptionalMulOperand(OperandVector &Operands) { | |||
| 3975 | MCAsmParser &Parser = getParser(); | |||
| 3976 | ||||
| 3977 | // Some SVE instructions have a decoration after the immediate, i.e. | |||
| 3978 | // "mul vl". We parse them here and add tokens, which must be present in the | |||
| 3979 | // asm string in the tablegen instruction. | |||
| 3980 | bool NextIsVL = | |||
| 3981 | Parser.getLexer().peekTok().getString().equals_insensitive("vl"); | |||
| 3982 | bool NextIsHash = Parser.getLexer().peekTok().is(AsmToken::Hash); | |||
| 3983 | if (!Parser.getTok().getString().equals_insensitive("mul") || | |||
| 3984 | !(NextIsVL || NextIsHash)) | |||
| 3985 | return true; | |||
| 3986 | ||||
| 3987 | Operands.push_back( | |||
| 3988 | AArch64Operand::CreateToken("mul", false, getLoc(), getContext())); | |||
| 3989 | Parser.Lex(); // Eat the "mul" | |||
| 3990 | ||||
| 3991 | if (NextIsVL) { | |||
| 3992 | Operands.push_back( | |||
| 3993 | AArch64Operand::CreateToken("vl", false, getLoc(), getContext())); | |||
| 3994 | Parser.Lex(); // Eat the "vl" | |||
| 3995 | return false; | |||
| 3996 | } | |||
| 3997 | ||||
| 3998 | if (NextIsHash) { | |||
| 3999 | Parser.Lex(); // Eat the # | |||
| 4000 | SMLoc S = getLoc(); | |||
| 4001 | ||||
| 4002 | // Parse immediate operand. | |||
| 4003 | const MCExpr *ImmVal; | |||
| 4004 | if (!Parser.parseExpression(ImmVal)) | |||
| 4005 | if (const MCConstantExpr *MCE = dyn_cast<MCConstantExpr>(ImmVal)) { | |||
| 4006 | Operands.push_back(AArch64Operand::CreateImm( | |||
| 4007 | MCConstantExpr::create(MCE->getValue(), getContext()), S, getLoc(), | |||
| 4008 | getContext())); | |||
| 4009 | return MatchOperand_Success; | |||
| 4010 | } | |||
| 4011 | } | |||
| 4012 | ||||
| 4013 | return Error(getLoc(), "expected 'vl' or '#<imm>'"); | |||
| 4014 | } | |||
| 4015 | ||||
| 4016 | bool AArch64AsmParser::parseKeywordOperand(OperandVector &Operands) { | |||
| 4017 | MCAsmParser &Parser = getParser(); | |||
| 4018 | auto Tok = Parser.getTok(); | |||
| 4019 | if (Tok.isNot(AsmToken::Identifier)) | |||
| 4020 | return true; | |||
| 4021 | ||||
| 4022 | auto Keyword = Tok.getString(); | |||
| 4023 | Keyword = StringSwitch<StringRef>(Keyword.lower()) | |||
| 4024 | .Case("sm", "sm") | |||
| 4025 | .Case("za", "za") | |||
| 4026 | .Default(Keyword); | |||
| 4027 | Operands.push_back( | |||
| 4028 | AArch64Operand::CreateToken(Keyword, false, Tok.getLoc(), getContext())); | |||
| 4029 | ||||
| 4030 | Parser.Lex(); | |||
| 4031 | return false; | |||
| 4032 | } | |||
| 4033 | ||||
| 4034 | /// parseOperand - Parse a arm instruction operand. For now this parses the | |||
| 4035 | /// operand regardless of the mnemonic. | |||
| 4036 | bool AArch64AsmParser::parseOperand(OperandVector &Operands, bool isCondCode, | |||
| 4037 | bool invertCondCode) { | |||
| 4038 | MCAsmParser &Parser = getParser(); | |||
| 4039 | ||||
| 4040 | OperandMatchResultTy ResTy = | |||
| 4041 | MatchOperandParserImpl(Operands, Mnemonic, /*ParseForAllFeatures=*/ true); | |||
| 4042 | ||||
| 4043 | // Check if the current operand has a custom associated parser, if so, try to | |||
| 4044 | // custom parse the operand, or fallback to the general approach. | |||
| 4045 | if (ResTy == MatchOperand_Success) | |||
| 4046 | return false; | |||
| 4047 | // If there wasn't a custom match, try the generic matcher below. Otherwise, | |||
| 4048 | // there was a match, but an error occurred, in which case, just return that | |||
| 4049 | // the operand parsing failed. | |||
| 4050 | if (ResTy == MatchOperand_ParseFail) | |||
| 4051 | return true; | |||
| 4052 | ||||
| 4053 | // Nothing custom, so do general case parsing. | |||
| 4054 | SMLoc S, E; | |||
| 4055 | switch (getLexer().getKind()) { | |||
| 4056 | default: { | |||
| 4057 | SMLoc S = getLoc(); | |||
| 4058 | const MCExpr *Expr; | |||
| 4059 | if (parseSymbolicImmVal(Expr)) | |||
| 4060 | return Error(S, "invalid operand"); | |||
| 4061 | ||||
| 4062 | SMLoc E = SMLoc::getFromPointer(getLoc().getPointer() - 1); | |||
| 4063 | Operands.push_back(AArch64Operand::CreateImm(Expr, S, E, getContext())); | |||
| 4064 | return false; | |||
| 4065 | } | |||
| 4066 | case AsmToken::LBrac: { | |||
| 4067 | SMLoc Loc = Parser.getTok().getLoc(); | |||
| 4068 | Operands.push_back(AArch64Operand::CreateToken("[", false, Loc, | |||
| 4069 | getContext())); | |||
| 4070 | Parser.Lex(); // Eat '[' | |||
| 4071 | ||||
| 4072 | // There's no comma after a '[', so we can parse the next operand | |||
| 4073 | // immediately. | |||
| 4074 | return parseOperand(Operands, false, false); | |||
| 4075 | } | |||
| 4076 | case AsmToken::LCurly: { | |||
| 4077 | if (!parseNeonVectorList(Operands)) | |||
| 4078 | return false; | |||
| 4079 | ||||
| 4080 | SMLoc Loc = Parser.getTok().getLoc(); | |||
| 4081 | Operands.push_back( | |||
| 4082 | AArch64Operand::CreateToken("{", false, Loc, getContext())); | |||
| 4083 | Parser.Lex(); // Eat '{' | |||
| 4084 | ||||
| 4085 | // There's no comma after a '{', so we can parse the next operand | |||
| 4086 | // immediately. | |||
| 4087 | return parseOperand(Operands, false, false); | |||
| 4088 | } | |||
| 4089 | case AsmToken::Identifier: { | |||
| 4090 | // If we're expecting a Condition Code operand, then just parse that. | |||
| 4091 | if (isCondCode) | |||
| 4092 | return parseCondCode(Operands, invertCondCode); | |||
| 4093 | ||||
| 4094 | // If it's a register name, parse it. | |||
| 4095 | if (!parseRegister(Operands)) | |||
| 4096 | return false; | |||
| 4097 | ||||
| 4098 | // See if this is a "mul vl" decoration or "mul #<int>" operand used | |||
| 4099 | // by SVE instructions. | |||
| 4100 | if (!parseOptionalMulOperand(Operands)) | |||
| 4101 | return false; | |||
| 4102 | ||||
| 4103 | // If this is an "smstart" or "smstop" instruction, parse its special | |||
| 4104 | // keyword operand as an identifier. | |||
| 4105 | if (Mnemonic == "smstart" || Mnemonic == "smstop") | |||
| 4106 | return parseKeywordOperand(Operands); | |||
| 4107 | ||||
| 4108 | // This could be an optional "shift" or "extend" operand. | |||
| 4109 | OperandMatchResultTy GotShift = tryParseOptionalShiftExtend(Operands); | |||
| 4110 | // We can only continue if no tokens were eaten. | |||
| 4111 | if (GotShift != MatchOperand_NoMatch) | |||
| 4112 | return GotShift; | |||
| 4113 | ||||
| 4114 | // If this is a two-word mnemonic, parse its special keyword | |||
| 4115 | // operand as an identifier. | |||
| 4116 | if (Mnemonic == "brb") | |||
| 4117 | return parseKeywordOperand(Operands); | |||
| 4118 | ||||
| 4119 | // This was not a register so parse other operands that start with an | |||
| 4120 | // identifier (like labels) as expressions and create them as immediates. | |||
| 4121 | const MCExpr *IdVal; | |||
| 4122 | S = getLoc(); | |||
| 4123 | if (getParser().parseExpression(IdVal)) | |||
| 4124 | return true; | |||
| 4125 | E = SMLoc::getFromPointer(getLoc().getPointer() - 1); | |||
| 4126 | Operands.push_back(AArch64Operand::CreateImm(IdVal, S, E, getContext())); | |||
| 4127 | return false; | |||
| 4128 | } | |||
| 4129 | case AsmToken::Integer: | |||
| 4130 | case AsmToken::Real: | |||
| 4131 | case AsmToken::Hash: { | |||
| 4132 | // #42 -> immediate. | |||
| 4133 | S = getLoc(); | |||
| 4134 | ||||
| 4135 | parseOptionalToken(AsmToken::Hash); | |||
| 4136 | ||||
| 4137 | // Parse a negative sign | |||
| 4138 | bool isNegative = false; | |||
| 4139 | if (Parser.getTok().is(AsmToken::Minus)) { | |||
| 4140 | isNegative = true; | |||
| 4141 | // We need to consume this token only when we have a Real, otherwise | |||
| 4142 | // we let parseSymbolicImmVal take care of it | |||
| 4143 | if (Parser.getLexer().peekTok().is(AsmToken::Real)) | |||
| 4144 | Parser.Lex(); | |||
| 4145 | } | |||
| 4146 | ||||
| 4147 | // The only Real that should come through here is a literal #0.0 for | |||
| 4148 | // the fcmp[e] r, #0.0 instructions. They expect raw token operands, | |||
| 4149 | // so convert the value. | |||
| 4150 | const AsmToken &Tok = Parser.getTok(); | |||
| 4151 | if (Tok.is(AsmToken::Real)) { | |||
| 4152 | APFloat RealVal(APFloat::IEEEdouble(), Tok.getString()); | |||
| 4153 | uint64_t IntVal = RealVal.bitcastToAPInt().getZExtValue(); | |||
| 4154 | if (Mnemonic != "fcmp" && Mnemonic != "fcmpe" && Mnemonic != "fcmeq" && | |||
| 4155 | Mnemonic != "fcmge" && Mnemonic != "fcmgt" && Mnemonic != "fcmle" && | |||
| 4156 | Mnemonic != "fcmlt" && Mnemonic != "fcmne") | |||
| 4157 | return TokError("unexpected floating point literal"); | |||
| 4158 | else if (IntVal != 0 || isNegative) | |||
| 4159 | return TokError("expected floating-point constant #0.0"); | |||
| 4160 | Parser.Lex(); // Eat the token. | |||
| 4161 | ||||
| 4162 | Operands.push_back( | |||
| 4163 | AArch64Operand::CreateToken("#0", false, S, getContext())); | |||
| 4164 | Operands.push_back( | |||
| 4165 | AArch64Operand::CreateToken(".0", false, S, getContext())); | |||
| 4166 | return false; | |||
| 4167 | } | |||
| 4168 | ||||
| 4169 | const MCExpr *ImmVal; | |||
| 4170 | if (parseSymbolicImmVal(ImmVal)) | |||
| 4171 | return true; | |||
| 4172 | ||||
| 4173 | E = SMLoc::getFromPointer(getLoc().getPointer() - 1); | |||
| 4174 | Operands.push_back(AArch64Operand::CreateImm(ImmVal, S, E, getContext())); | |||
| 4175 | return false; | |||
| 4176 | } | |||
| 4177 | case AsmToken::Equal: { | |||
| 4178 | SMLoc Loc = getLoc(); | |||
| 4179 | if (Mnemonic != "ldr") // only parse for ldr pseudo (e.g. ldr r0, =val) | |||
| 4180 | return TokError("unexpected token in operand"); | |||
| 4181 | Parser.Lex(); // Eat '=' | |||
| 4182 | const MCExpr *SubExprVal; | |||
| 4183 | if (getParser().parseExpression(SubExprVal)) | |||
| 4184 | return true; | |||
| 4185 | ||||
| 4186 | if (Operands.size() < 2 || | |||
| 4187 | !static_cast<AArch64Operand &>(*Operands[1]).isScalarReg()) | |||
| 4188 | return Error(Loc, "Only valid when first operand is register"); | |||
| 4189 | ||||
| 4190 | bool IsXReg = | |||
| 4191 | AArch64MCRegisterClasses[AArch64::GPR64allRegClassID].contains( | |||
| 4192 | Operands[1]->getReg()); | |||
| 4193 | ||||
| 4194 | MCContext& Ctx = getContext(); | |||
| 4195 | E = SMLoc::getFromPointer(Loc.getPointer() - 1); | |||
| 4196 | // If the op is an imm and can be fit into a mov, then replace ldr with mov. | |||
| 4197 | if (isa<MCConstantExpr>(SubExprVal)) { | |||
| 4198 | uint64_t Imm = (cast<MCConstantExpr>(SubExprVal))->getValue(); | |||
| 4199 | uint32_t ShiftAmt = 0, MaxShiftAmt = IsXReg ? 48 : 16; | |||
| 4200 | while(Imm > 0xFFFF && countTrailingZeros(Imm) >= 16) { | |||
| 4201 | ShiftAmt += 16; | |||
| 4202 | Imm >>= 16; | |||
| 4203 | } | |||
| 4204 | if (ShiftAmt <= MaxShiftAmt && Imm <= 0xFFFF) { | |||
| 4205 | Operands[0] = AArch64Operand::CreateToken("movz", false, Loc, Ctx); | |||
| 4206 | Operands.push_back(AArch64Operand::CreateImm( | |||
| 4207 | MCConstantExpr::create(Imm, Ctx), S, E, Ctx)); | |||
| 4208 | if (ShiftAmt) | |||
| 4209 | Operands.push_back(AArch64Operand::CreateShiftExtend(AArch64_AM::LSL, | |||
| 4210 | ShiftAmt, true, S, E, Ctx)); | |||
| 4211 | return false; | |||
| 4212 | } | |||
| 4213 | APInt Simm = APInt(64, Imm << ShiftAmt); | |||
| 4214 | // check if the immediate is an unsigned or signed 32-bit int for W regs | |||
| 4215 | if (!IsXReg && !(Simm.isIntN(32) || Simm.isSignedIntN(32))) | |||
| 4216 | return Error(Loc, "Immediate too large for register"); | |||
| 4217 | } | |||
| 4218 | // If it is a label or an imm that cannot fit in a movz, put it into CP. | |||
| 4219 | const MCExpr *CPLoc = | |||
| 4220 | getTargetStreamer().addConstantPoolEntry(SubExprVal, IsXReg ? 8 : 4, Loc); | |||
| 4221 | Operands.push_back(AArch64Operand::CreateImm(CPLoc, S, E, Ctx)); | |||
| 4222 | return false; | |||
| 4223 | } | |||
| 4224 | } | |||
| 4225 | } | |||
| 4226 | ||||
| 4227 | bool AArch64AsmParser::parseImmExpr(int64_t &Out) { | |||
| 4228 | const MCExpr *Expr = nullptr; | |||
| 4229 | SMLoc L = getLoc(); | |||
| 4230 | if (check(getParser().parseExpression(Expr), L, "expected expression")) | |||
| 4231 | return true; | |||
| 4232 | const MCConstantExpr *Value = dyn_cast_or_null<MCConstantExpr>(Expr); | |||
| 4233 | if (check(!Value, L, "expected constant expression")) | |||
| 4234 | return true; | |||
| 4235 | Out = Value->getValue(); | |||
| ||||
| 4236 | return false; | |||
| 4237 | } | |||
| 4238 | ||||
| 4239 | bool AArch64AsmParser::parseComma() { | |||
| 4240 | if (check(getParser().getTok().isNot(AsmToken::Comma), getLoc(), | |||
| 4241 | "expected comma")) | |||
| 4242 | return true; | |||
| 4243 | // Eat the comma | |||
| 4244 | getParser().Lex(); | |||
| 4245 | return false; | |||
| 4246 | } | |||
| 4247 | ||||
| 4248 | bool AArch64AsmParser::parseRegisterInRange(unsigned &Out, unsigned Base, | |||
| 4249 | unsigned First, unsigned Last) { | |||
| 4250 | unsigned Reg; | |||
| 4251 | SMLoc Start, End; | |||
| 4252 | if (check(ParseRegister(Reg, Start, End), getLoc(), "expected register")) | |||
| 4253 | return true; | |||
| 4254 | ||||
| 4255 | // Special handling for FP and LR; they aren't linearly after x28 in | |||
| 4256 | // the registers enum. | |||
| 4257 | unsigned RangeEnd = Last; | |||
| 4258 | if (Base == AArch64::X0) { | |||
| 4259 | if (Last == AArch64::FP) { | |||
| 4260 | RangeEnd = AArch64::X28; | |||
| 4261 | if (Reg == AArch64::FP) { | |||
| 4262 | Out = 29; | |||
| 4263 | return false; | |||
| 4264 | } | |||
| 4265 | } | |||
| 4266 | if (Last == AArch64::LR) { | |||
| 4267 | RangeEnd = AArch64::X28; | |||
| 4268 | if (Reg == AArch64::FP) { | |||
| 4269 | Out = 29; | |||
| 4270 | return false; | |||
| 4271 | } else if (Reg == AArch64::LR) { | |||
| 4272 | Out = 30; | |||
| 4273 | return false; | |||
| 4274 | } | |||
| 4275 | } | |||
| 4276 | } | |||
| 4277 | ||||
| 4278 | if (check(Reg < First || Reg > RangeEnd, Start, | |||
| 4279 | Twine("expected register in range ") + | |||
| 4280 | AArch64InstPrinter::getRegisterName(First) + " to " + | |||
| 4281 | AArch64InstPrinter::getRegisterName(Last))) | |||
| 4282 | return true; | |||
| 4283 | Out = Reg - Base; | |||
| 4284 | return false; | |||
| 4285 | } | |||
| 4286 | ||||
| 4287 | bool AArch64AsmParser::regsEqual(const MCParsedAsmOperand &Op1, | |||
| 4288 | const MCParsedAsmOperand &Op2) const { | |||
| 4289 | auto &AOp1 = static_cast<const AArch64Operand&>(Op1); | |||
| 4290 | auto &AOp2 = static_cast<const AArch64Operand&>(Op2); | |||
| 4291 | if (AOp1.getRegEqualityTy() == RegConstraintEqualityTy::EqualsReg && | |||
| 4292 | AOp2.getRegEqualityTy() == RegConstraintEqualityTy::EqualsReg) | |||
| 4293 | return MCTargetAsmParser::regsEqual(Op1, Op2); | |||
| 4294 | ||||
| 4295 | assert(AOp1.isScalarReg() && AOp2.isScalarReg() &&(static_cast <bool> (AOp1.isScalarReg() && AOp2 .isScalarReg() && "Testing equality of non-scalar registers not supported" ) ? void (0) : __assert_fail ("AOp1.isScalarReg() && AOp2.isScalarReg() && \"Testing equality of non-scalar registers not supported\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 4296, __extension__ __PRETTY_FUNCTION__)) | |||
| 4296 | "Testing equality of non-scalar registers not supported")(static_cast <bool> (AOp1.isScalarReg() && AOp2 .isScalarReg() && "Testing equality of non-scalar registers not supported" ) ? void (0) : __assert_fail ("AOp1.isScalarReg() && AOp2.isScalarReg() && \"Testing equality of non-scalar registers not supported\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 4296, __extension__ __PRETTY_FUNCTION__)); | |||
| 4297 | ||||
| 4298 | // Check if a registers match their sub/super register classes. | |||
| 4299 | if (AOp1.getRegEqualityTy() == EqualsSuperReg) | |||
| 4300 | return getXRegFromWReg(Op1.getReg()) == Op2.getReg(); | |||
| 4301 | if (AOp1.getRegEqualityTy() == EqualsSubReg) | |||
| 4302 | return getWRegFromXReg(Op1.getReg()) == Op2.getReg(); | |||
| 4303 | if (AOp2.getRegEqualityTy() == EqualsSuperReg) | |||
| 4304 | return getXRegFromWReg(Op2.getReg()) == Op1.getReg(); | |||
| 4305 | if (AOp2.getRegEqualityTy() == EqualsSubReg) | |||
| 4306 | return getWRegFromXReg(Op2.getReg()) == Op1.getReg(); | |||
| 4307 | ||||
| 4308 | return false; | |||
| 4309 | } | |||
| 4310 | ||||
| 4311 | /// ParseInstruction - Parse an AArch64 instruction mnemonic followed by its | |||
| 4312 | /// operands. | |||
| 4313 | bool AArch64AsmParser::ParseInstruction(ParseInstructionInfo &Info, | |||
| 4314 | StringRef Name, SMLoc NameLoc, | |||
| 4315 | OperandVector &Operands) { | |||
| 4316 | MCAsmParser &Parser = getParser(); | |||
| 4317 | Name = StringSwitch<StringRef>(Name.lower()) | |||
| 4318 | .Case("beq", "b.eq") | |||
| 4319 | .Case("bne", "b.ne") | |||
| 4320 | .Case("bhs", "b.hs") | |||
| 4321 | .Case("bcs", "b.cs") | |||
| 4322 | .Case("blo", "b.lo") | |||
| 4323 | .Case("bcc", "b.cc") | |||
| 4324 | .Case("bmi", "b.mi") | |||
| 4325 | .Case("bpl", "b.pl") | |||
| 4326 | .Case("bvs", "b.vs") | |||
| 4327 | .Case("bvc", "b.vc") | |||
| 4328 | .Case("bhi", "b.hi") | |||
| 4329 | .Case("bls", "b.ls") | |||
| 4330 | .Case("bge", "b.ge") | |||
| 4331 | .Case("blt", "b.lt") | |||
| 4332 | .Case("bgt", "b.gt") | |||
| 4333 | .Case("ble", "b.le") | |||
| 4334 | .Case("bal", "b.al") | |||
| 4335 | .Case("bnv", "b.nv") | |||
| 4336 | .Default(Name); | |||
| 4337 | ||||
| 4338 | // First check for the AArch64-specific .req directive. | |||
| 4339 | if (Parser.getTok().is(AsmToken::Identifier) && | |||
| 4340 | Parser.getTok().getIdentifier().lower() == ".req") { | |||
| 4341 | parseDirectiveReq(Name, NameLoc); | |||
| 4342 | // We always return 'error' for this, as we're done with this | |||
| 4343 | // statement and don't need to match the 'instruction." | |||
| 4344 | return true; | |||
| 4345 | } | |||
| 4346 | ||||
| 4347 | // Create the leading tokens for the mnemonic, split by '.' characters. | |||
| 4348 | size_t Start = 0, Next = Name.find('.'); | |||
| 4349 | StringRef Head = Name.slice(Start, Next); | |||
| 4350 | ||||
| 4351 | // IC, DC, AT, TLBI and Prediction invalidation instructions are aliases for | |||
| 4352 | // the SYS instruction. | |||
| 4353 | if (Head == "ic" || Head == "dc" || Head == "at" || Head == "tlbi" || | |||
| 4354 | Head == "cfp" || Head == "dvp" || Head == "cpp") | |||
| 4355 | return parseSysAlias(Head, NameLoc, Operands); | |||
| 4356 | ||||
| 4357 | Operands.push_back( | |||
| 4358 | AArch64Operand::CreateToken(Head, false, NameLoc, getContext())); | |||
| 4359 | Mnemonic = Head; | |||
| 4360 | ||||
| 4361 | // Handle condition codes for a branch mnemonic | |||
| 4362 | if (Head == "b" && Next != StringRef::npos) { | |||
| 4363 | Start = Next; | |||
| 4364 | Next = Name.find('.', Start + 1); | |||
| 4365 | Head = Name.slice(Start + 1, Next); | |||
| 4366 | ||||
| 4367 | SMLoc SuffixLoc = SMLoc::getFromPointer(NameLoc.getPointer() + | |||
| 4368 | (Head.data() - Name.data())); | |||
| 4369 | AArch64CC::CondCode CC = parseCondCodeString(Head); | |||
| 4370 | if (CC == AArch64CC::Invalid) | |||
| 4371 | return Error(SuffixLoc, "invalid condition code"); | |||
| 4372 | Operands.push_back( | |||
| 4373 | AArch64Operand::CreateToken(".", true, SuffixLoc, getContext())); | |||
| 4374 | Operands.push_back( | |||
| 4375 | AArch64Operand::CreateCondCode(CC, NameLoc, NameLoc, getContext())); | |||
| 4376 | } | |||
| 4377 | ||||
| 4378 | // Add the remaining tokens in the mnemonic. | |||
| 4379 | while (Next != StringRef::npos) { | |||
| 4380 | Start = Next; | |||
| 4381 | Next = Name.find('.', Start + 1); | |||
| 4382 | Head = Name.slice(Start, Next); | |||
| 4383 | SMLoc SuffixLoc = SMLoc::getFromPointer(NameLoc.getPointer() + | |||
| 4384 | (Head.data() - Name.data()) + 1); | |||
| 4385 | Operands.push_back( | |||
| 4386 | AArch64Operand::CreateToken(Head, true, SuffixLoc, getContext())); | |||
| 4387 | } | |||
| 4388 | ||||
| 4389 | // Conditional compare instructions have a Condition Code operand, which needs | |||
| 4390 | // to be parsed and an immediate operand created. | |||
| 4391 | bool condCodeFourthOperand = | |||
| 4392 | (Head == "ccmp" || Head == "ccmn" || Head == "fccmp" || | |||
| 4393 | Head == "fccmpe" || Head == "fcsel" || Head == "csel" || | |||
| 4394 | Head == "csinc" || Head == "csinv" || Head == "csneg"); | |||
| 4395 | ||||
| 4396 | // These instructions are aliases to some of the conditional select | |||
| 4397 | // instructions. However, the condition code is inverted in the aliased | |||
| 4398 | // instruction. | |||
| 4399 | // | |||
| 4400 | // FIXME: Is this the correct way to handle these? Or should the parser | |||
| 4401 | // generate the aliased instructions directly? | |||
| 4402 | bool condCodeSecondOperand = (Head == "cset" || Head == "csetm"); | |||
| 4403 | bool condCodeThirdOperand = | |||
| 4404 | (Head == "cinc" || Head == "cinv" || Head == "cneg"); | |||
| 4405 | ||||
| 4406 | // Read the remaining operands. | |||
| 4407 | if (getLexer().isNot(AsmToken::EndOfStatement)) { | |||
| 4408 | ||||
| 4409 | unsigned N = 1; | |||
| 4410 | do { | |||
| 4411 | // Parse and remember the operand. | |||
| 4412 | if (parseOperand(Operands, (N == 4 && condCodeFourthOperand) || | |||
| 4413 | (N == 3 && condCodeThirdOperand) || | |||
| 4414 | (N == 2 && condCodeSecondOperand), | |||
| 4415 | condCodeSecondOperand || condCodeThirdOperand)) { | |||
| 4416 | return true; | |||
| 4417 | } | |||
| 4418 | ||||
| 4419 | // After successfully parsing some operands there are three special cases | |||
| 4420 | // to consider (i.e. notional operands not separated by commas). Two are | |||
| 4421 | // due to memory specifiers: | |||
| 4422 | // + An RBrac will end an address for load/store/prefetch | |||
| 4423 | // + An '!' will indicate a pre-indexed operation. | |||
| 4424 | // | |||
| 4425 | // And a further case is '}', which ends a group of tokens specifying the | |||
| 4426 | // SME accumulator array 'ZA' or tile vector, i.e. | |||
| 4427 | // | |||
| 4428 | // '{ ZA }' or '{ <ZAt><HV>.<BHSDQ>[<Wv>, #<imm>] }' | |||
| 4429 | // | |||
| 4430 | // It's someone else's responsibility to make sure these tokens are sane | |||
| 4431 | // in the given context! | |||
| 4432 | ||||
| 4433 | if (parseOptionalToken(AsmToken::RBrac)) | |||
| 4434 | Operands.push_back( | |||
| 4435 | AArch64Operand::CreateToken("]", false, getLoc(), getContext())); | |||
| 4436 | if (parseOptionalToken(AsmToken::Exclaim)) | |||
| 4437 | Operands.push_back( | |||
| 4438 | AArch64Operand::CreateToken("!", false, getLoc(), getContext())); | |||
| 4439 | if (parseOptionalToken(AsmToken::RCurly)) | |||
| 4440 | Operands.push_back( | |||
| 4441 | AArch64Operand::CreateToken("}", false, getLoc(), getContext())); | |||
| 4442 | ||||
| 4443 | ++N; | |||
| 4444 | } while (parseOptionalToken(AsmToken::Comma)); | |||
| 4445 | } | |||
| 4446 | ||||
| 4447 | if (parseToken(AsmToken::EndOfStatement, "unexpected token in argument list")) | |||
| 4448 | return true; | |||
| 4449 | ||||
| 4450 | return false; | |||
| 4451 | } | |||
| 4452 | ||||
| 4453 | static inline bool isMatchingOrAlias(unsigned ZReg, unsigned Reg) { | |||
| 4454 | assert((ZReg >= AArch64::Z0) && (ZReg <= AArch64::Z31))(static_cast <bool> ((ZReg >= AArch64::Z0) && (ZReg <= AArch64::Z31)) ? void (0) : __assert_fail ("(ZReg >= AArch64::Z0) && (ZReg <= AArch64::Z31)" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 4454, __extension__ __PRETTY_FUNCTION__)); | |||
| 4455 | return (ZReg == ((Reg - AArch64::B0) + AArch64::Z0)) || | |||
| 4456 | (ZReg == ((Reg - AArch64::H0) + AArch64::Z0)) || | |||
| 4457 | (ZReg == ((Reg - AArch64::S0) + AArch64::Z0)) || | |||
| 4458 | (ZReg == ((Reg - AArch64::D0) + AArch64::Z0)) || | |||
| 4459 | (ZReg == ((Reg - AArch64::Q0) + AArch64::Z0)) || | |||
| 4460 | (ZReg == ((Reg - AArch64::Z0) + AArch64::Z0)); | |||
| 4461 | } | |||
| 4462 | ||||
| 4463 | // FIXME: This entire function is a giant hack to provide us with decent | |||
| 4464 | // operand range validation/diagnostics until TableGen/MC can be extended | |||
| 4465 | // to support autogeneration of this kind of validation. | |||
| 4466 | bool AArch64AsmParser::validateInstruction(MCInst &Inst, SMLoc &IDLoc, | |||
| 4467 | SmallVectorImpl<SMLoc> &Loc) { | |||
| 4468 | const MCRegisterInfo *RI = getContext().getRegisterInfo(); | |||
| 4469 | const MCInstrDesc &MCID = MII.get(Inst.getOpcode()); | |||
| 4470 | ||||
| 4471 | // A prefix only applies to the instruction following it. Here we extract | |||
| 4472 | // prefix information for the next instruction before validating the current | |||
| 4473 | // one so that in the case of failure we don't erronously continue using the | |||
| 4474 | // current prefix. | |||
| 4475 | PrefixInfo Prefix = NextPrefix; | |||
| 4476 | NextPrefix = PrefixInfo::CreateFromInst(Inst, MCID.TSFlags); | |||
| 4477 | ||||
| 4478 | // Before validating the instruction in isolation we run through the rules | |||
| 4479 | // applicable when it follows a prefix instruction. | |||
| 4480 | // NOTE: brk & hlt can be prefixed but require no additional validation. | |||
| 4481 | if (Prefix.isActive() && | |||
| 4482 | (Inst.getOpcode() != AArch64::BRK) && | |||
| 4483 | (Inst.getOpcode() != AArch64::HLT)) { | |||
| 4484 | ||||
| 4485 | // Prefixed intructions must have a destructive operand. | |||
| 4486 | if ((MCID.TSFlags & AArch64::DestructiveInstTypeMask) == | |||
| 4487 | AArch64::NotDestructive) | |||
| 4488 | return Error(IDLoc, "instruction is unpredictable when following a" | |||
| 4489 | " movprfx, suggest replacing movprfx with mov"); | |||
| 4490 | ||||
| 4491 | // Destination operands must match. | |||
| 4492 | if (Inst.getOperand(0).getReg() != Prefix.getDstReg()) | |||
| 4493 | return Error(Loc[0], "instruction is unpredictable when following a" | |||
| 4494 | " movprfx writing to a different destination"); | |||
| 4495 | ||||
| 4496 | // Destination operand must not be used in any other location. | |||
| 4497 | for (unsigned i = 1; i < Inst.getNumOperands(); ++i) { | |||
| 4498 | if (Inst.getOperand(i).isReg() && | |||
| 4499 | (MCID.getOperandConstraint(i, MCOI::TIED_TO) == -1) && | |||
| 4500 | isMatchingOrAlias(Prefix.getDstReg(), Inst.getOperand(i).getReg())) | |||
| 4501 | return Error(Loc[0], "instruction is unpredictable when following a" | |||
| 4502 | " movprfx and destination also used as non-destructive" | |||
| 4503 | " source"); | |||
| 4504 | } | |||
| 4505 | ||||
| 4506 | auto PPRRegClass = AArch64MCRegisterClasses[AArch64::PPRRegClassID]; | |||
| 4507 | if (Prefix.isPredicated()) { | |||
| 4508 | int PgIdx = -1; | |||
| 4509 | ||||
| 4510 | // Find the instructions general predicate. | |||
| 4511 | for (unsigned i = 1; i < Inst.getNumOperands(); ++i) | |||
| 4512 | if (Inst.getOperand(i).isReg() && | |||
| 4513 | PPRRegClass.contains(Inst.getOperand(i).getReg())) { | |||
| 4514 | PgIdx = i; | |||
| 4515 | break; | |||
| 4516 | } | |||
| 4517 | ||||
| 4518 | // Instruction must be predicated if the movprfx is predicated. | |||
| 4519 | if (PgIdx == -1 || | |||
| 4520 | (MCID.TSFlags & AArch64::ElementSizeMask) == AArch64::ElementSizeNone) | |||
| 4521 | return Error(IDLoc, "instruction is unpredictable when following a" | |||
| 4522 | " predicated movprfx, suggest using unpredicated movprfx"); | |||
| 4523 | ||||
| 4524 | // Instruction must use same general predicate as the movprfx. | |||
| 4525 | if (Inst.getOperand(PgIdx).getReg() != Prefix.getPgReg()) | |||
| 4526 | return Error(IDLoc, "instruction is unpredictable when following a" | |||
| 4527 | " predicated movprfx using a different general predicate"); | |||
| 4528 | ||||
| 4529 | // Instruction element type must match the movprfx. | |||
| 4530 | if ((MCID.TSFlags & AArch64::ElementSizeMask) != Prefix.getElementSize()) | |||
| 4531 | return Error(IDLoc, "instruction is unpredictable when following a" | |||
| 4532 | " predicated movprfx with a different element size"); | |||
| 4533 | } | |||
| 4534 | } | |||
| 4535 | ||||
| 4536 | // Check for indexed addressing modes w/ the base register being the | |||
| 4537 | // same as a destination/source register or pair load where | |||
| 4538 | // the Rt == Rt2. All of those are undefined behaviour. | |||
| 4539 | switch (Inst.getOpcode()) { | |||
| 4540 | case AArch64::LDPSWpre: | |||
| 4541 | case AArch64::LDPWpost: | |||
| 4542 | case AArch64::LDPWpre: | |||
| 4543 | case AArch64::LDPXpost: | |||
| 4544 | case AArch64::LDPXpre: { | |||
| 4545 | unsigned Rt = Inst.getOperand(1).getReg(); | |||
| 4546 | unsigned Rt2 = Inst.getOperand(2).getReg(); | |||
| 4547 | unsigned Rn = Inst.getOperand(3).getReg(); | |||
| 4548 | if (RI->isSubRegisterEq(Rn, Rt)) | |||
| 4549 | return Error(Loc[0], "unpredictable LDP instruction, writeback base " | |||
| 4550 | "is also a destination"); | |||
| 4551 | if (RI->isSubRegisterEq(Rn, Rt2)) | |||
| 4552 | return Error(Loc[1], "unpredictable LDP instruction, writeback base " | |||
| 4553 | "is also a destination"); | |||
| 4554 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; | |||
| 4555 | } | |||
| 4556 | case AArch64::LDPDi: | |||
| 4557 | case AArch64::LDPQi: | |||
| 4558 | case AArch64::LDPSi: | |||
| 4559 | case AArch64::LDPSWi: | |||
| 4560 | case AArch64::LDPWi: | |||
| 4561 | case AArch64::LDPXi: { | |||
| 4562 | unsigned Rt = Inst.getOperand(0).getReg(); | |||
| 4563 | unsigned Rt2 = Inst.getOperand(1).getReg(); | |||
| 4564 | if (Rt == Rt2) | |||
| 4565 | return Error(Loc[1], "unpredictable LDP instruction, Rt2==Rt"); | |||
| 4566 | break; | |||
| 4567 | } | |||
| 4568 | case AArch64::LDPDpost: | |||
| 4569 | case AArch64::LDPDpre: | |||
| 4570 | case AArch64::LDPQpost: | |||
| 4571 | case AArch64::LDPQpre: | |||
| 4572 | case AArch64::LDPSpost: | |||
| 4573 | case AArch64::LDPSpre: | |||
| 4574 | case AArch64::LDPSWpost: { | |||
| 4575 | unsigned Rt = Inst.getOperand(1).getReg(); | |||
| 4576 | unsigned Rt2 = Inst.getOperand(2).getReg(); | |||
| 4577 | if (Rt == Rt2) | |||
| 4578 | return Error(Loc[1], "unpredictable LDP instruction, Rt2==Rt"); | |||
| 4579 | break; | |||
| 4580 | } | |||
| 4581 | case AArch64::STPDpost: | |||
| 4582 | case AArch64::STPDpre: | |||
| 4583 | case AArch64::STPQpost: | |||
| 4584 | case AArch64::STPQpre: | |||
| 4585 | case AArch64::STPSpost: | |||
| 4586 | case AArch64::STPSpre: | |||
| 4587 | case AArch64::STPWpost: | |||
| 4588 | case AArch64::STPWpre: | |||
| 4589 | case AArch64::STPXpost: | |||
| 4590 | case AArch64::STPXpre: { | |||
| 4591 | unsigned Rt = Inst.getOperand(1).getReg(); | |||
| 4592 | unsigned Rt2 = Inst.getOperand(2).getReg(); | |||
| 4593 | unsigned Rn = Inst.getOperand(3).getReg(); | |||
| 4594 | if (RI->isSubRegisterEq(Rn, Rt)) | |||
| 4595 | return Error(Loc[0], "unpredictable STP instruction, writeback base " | |||
| 4596 | "is also a source"); | |||
| 4597 | if (RI->isSubRegisterEq(Rn, Rt2)) | |||
| 4598 | return Error(Loc[1], "unpredictable STP instruction, writeback base " | |||
| 4599 | "is also a source"); | |||
| 4600 | break; | |||
| 4601 | } | |||
| 4602 | case AArch64::LDRBBpre: | |||
| 4603 | case AArch64::LDRBpre: | |||
| 4604 | case AArch64::LDRHHpre: | |||
| 4605 | case AArch64::LDRHpre: | |||
| 4606 | case AArch64::LDRSBWpre: | |||
| 4607 | case AArch64::LDRSBXpre: | |||
| 4608 | case AArch64::LDRSHWpre: | |||
| 4609 | case AArch64::LDRSHXpre: | |||
| 4610 | case AArch64::LDRSWpre: | |||
| 4611 | case AArch64::LDRWpre: | |||
| 4612 | case AArch64::LDRXpre: | |||
| 4613 | case AArch64::LDRBBpost: | |||
| 4614 | case AArch64::LDRBpost: | |||
| 4615 | case AArch64::LDRHHpost: | |||
| 4616 | case AArch64::LDRHpost: | |||
| 4617 | case AArch64::LDRSBWpost: | |||
| 4618 | case AArch64::LDRSBXpost: | |||
| 4619 | case AArch64::LDRSHWpost: | |||
| 4620 | case AArch64::LDRSHXpost: | |||
| 4621 | case AArch64::LDRSWpost: | |||
| 4622 | case AArch64::LDRWpost: | |||
| 4623 | case AArch64::LDRXpost: { | |||
| 4624 | unsigned Rt = Inst.getOperand(1).getReg(); | |||
| 4625 | unsigned Rn = Inst.getOperand(2).getReg(); | |||
| 4626 | if (RI->isSubRegisterEq(Rn, Rt)) | |||
| 4627 | return Error(Loc[0], "unpredictable LDR instruction, writeback base " | |||
| 4628 | "is also a source"); | |||
| 4629 | break; | |||
| 4630 | } | |||
| 4631 | case AArch64::STRBBpost: | |||
| 4632 | case AArch64::STRBpost: | |||
| 4633 | case AArch64::STRHHpost: | |||
| 4634 | case AArch64::STRHpost: | |||
| 4635 | case AArch64::STRWpost: | |||
| 4636 | case AArch64::STRXpost: | |||
| 4637 | case AArch64::STRBBpre: | |||
| 4638 | case AArch64::STRBpre: | |||
| 4639 | case AArch64::STRHHpre: | |||
| 4640 | case AArch64::STRHpre: | |||
| 4641 | case AArch64::STRWpre: | |||
| 4642 | case AArch64::STRXpre: { | |||
| 4643 | unsigned Rt = Inst.getOperand(1).getReg(); | |||
| 4644 | unsigned Rn = Inst.getOperand(2).getReg(); | |||
| 4645 | if (RI->isSubRegisterEq(Rn, Rt)) | |||
| 4646 | return Error(Loc[0], "unpredictable STR instruction, writeback base " | |||
| 4647 | "is also a source"); | |||
| 4648 | break; | |||
| 4649 | } | |||
| 4650 | case AArch64::STXRB: | |||
| 4651 | case AArch64::STXRH: | |||
| 4652 | case AArch64::STXRW: | |||
| 4653 | case AArch64::STXRX: | |||
| 4654 | case AArch64::STLXRB: | |||
| 4655 | case AArch64::STLXRH: | |||
| 4656 | case AArch64::STLXRW: | |||
| 4657 | case AArch64::STLXRX: { | |||
| 4658 | unsigned Rs = Inst.getOperand(0).getReg(); | |||
| 4659 | unsigned Rt = Inst.getOperand(1).getReg(); | |||
| 4660 | unsigned Rn = Inst.getOperand(2).getReg(); | |||
| 4661 | if (RI->isSubRegisterEq(Rt, Rs) || | |||
| 4662 | (RI->isSubRegisterEq(Rn, Rs) && Rn != AArch64::SP)) | |||
| 4663 | return Error(Loc[0], | |||
| 4664 | "unpredictable STXR instruction, status is also a source"); | |||
| 4665 | break; | |||
| 4666 | } | |||
| 4667 | case AArch64::STXPW: | |||
| 4668 | case AArch64::STXPX: | |||
| 4669 | case AArch64::STLXPW: | |||
| 4670 | case AArch64::STLXPX: { | |||
| 4671 | unsigned Rs = Inst.getOperand(0).getReg(); | |||
| 4672 | unsigned Rt1 = Inst.getOperand(1).getReg(); | |||
| 4673 | unsigned Rt2 = Inst.getOperand(2).getReg(); | |||
| 4674 | unsigned Rn = Inst.getOperand(3).getReg(); | |||
| 4675 | if (RI->isSubRegisterEq(Rt1, Rs) || RI->isSubRegisterEq(Rt2, Rs) || | |||
| 4676 | (RI->isSubRegisterEq(Rn, Rs) && Rn != AArch64::SP)) | |||
| 4677 | return Error(Loc[0], | |||
| 4678 | "unpredictable STXP instruction, status is also a source"); | |||
| 4679 | break; | |||
| 4680 | } | |||
| 4681 | case AArch64::LDRABwriteback: | |||
| 4682 | case AArch64::LDRAAwriteback: { | |||
| 4683 | unsigned Xt = Inst.getOperand(0).getReg(); | |||
| 4684 | unsigned Xn = Inst.getOperand(1).getReg(); | |||
| 4685 | if (Xt == Xn) | |||
| 4686 | return Error(Loc[0], | |||
| 4687 | "unpredictable LDRA instruction, writeback base" | |||
| 4688 | " is also a destination"); | |||
| 4689 | break; | |||
| 4690 | } | |||
| 4691 | } | |||
| 4692 | ||||
| 4693 | ||||
| 4694 | // Now check immediate ranges. Separate from the above as there is overlap | |||
| 4695 | // in the instructions being checked and this keeps the nested conditionals | |||
| 4696 | // to a minimum. | |||
| 4697 | switch (Inst.getOpcode()) { | |||
| 4698 | case AArch64::ADDSWri: | |||
| 4699 | case AArch64::ADDSXri: | |||
| 4700 | case AArch64::ADDWri: | |||
| 4701 | case AArch64::ADDXri: | |||
| 4702 | case AArch64::SUBSWri: | |||
| 4703 | case AArch64::SUBSXri: | |||
| 4704 | case AArch64::SUBWri: | |||
| 4705 | case AArch64::SUBXri: { | |||
| 4706 | // Annoyingly we can't do this in the isAddSubImm predicate, so there is | |||
| 4707 | // some slight duplication here. | |||
| 4708 | if (Inst.getOperand(2).isExpr()) { | |||
| 4709 | const MCExpr *Expr = Inst.getOperand(2).getExpr(); | |||
| 4710 | AArch64MCExpr::VariantKind ELFRefKind; | |||
| 4711 | MCSymbolRefExpr::VariantKind DarwinRefKind; | |||
| 4712 | int64_t Addend; | |||
| 4713 | if (classifySymbolRef(Expr, ELFRefKind, DarwinRefKind, Addend)) { | |||
| 4714 | ||||
| 4715 | // Only allow these with ADDXri. | |||
| 4716 | if ((DarwinRefKind == MCSymbolRefExpr::VK_PAGEOFF || | |||
| 4717 | DarwinRefKind == MCSymbolRefExpr::VK_TLVPPAGEOFF) && | |||
| 4718 | Inst.getOpcode() == AArch64::ADDXri) | |||
| 4719 | return false; | |||
| 4720 | ||||
| 4721 | // Only allow these with ADDXri/ADDWri | |||
| 4722 | if ((ELFRefKind == AArch64MCExpr::VK_LO12 || | |||
| 4723 | ELFRefKind == AArch64MCExpr::VK_DTPREL_HI12 || | |||
| 4724 | ELFRefKind == AArch64MCExpr::VK_DTPREL_LO12 || | |||
| 4725 | ELFRefKind == AArch64MCExpr::VK_DTPREL_LO12_NC || | |||
| 4726 | ELFRefKind == AArch64MCExpr::VK_TPREL_HI12 || | |||
| 4727 | ELFRefKind == AArch64MCExpr::VK_TPREL_LO12 || | |||
| 4728 | ELFRefKind == AArch64MCExpr::VK_TPREL_LO12_NC || | |||
| 4729 | ELFRefKind == AArch64MCExpr::VK_TLSDESC_LO12 || | |||
| 4730 | ELFRefKind == AArch64MCExpr::VK_SECREL_LO12 || | |||
| 4731 | ELFRefKind == AArch64MCExpr::VK_SECREL_HI12) && | |||
| 4732 | (Inst.getOpcode() == AArch64::ADDXri || | |||
| 4733 | Inst.getOpcode() == AArch64::ADDWri)) | |||
| 4734 | return false; | |||
| 4735 | ||||
| 4736 | // Don't allow symbol refs in the immediate field otherwise | |||
| 4737 | // Note: Loc.back() may be Loc[1] or Loc[2] depending on the number of | |||
| 4738 | // operands of the original instruction (i.e. 'add w0, w1, borked' vs | |||
| 4739 | // 'cmp w0, 'borked') | |||
| 4740 | return Error(Loc.back(), "invalid immediate expression"); | |||
| 4741 | } | |||
| 4742 | // We don't validate more complex expressions here | |||
| 4743 | } | |||
| 4744 | return false; | |||
| 4745 | } | |||
| 4746 | default: | |||
| 4747 | return false; | |||
| 4748 | } | |||
| 4749 | } | |||
| 4750 | ||||
| 4751 | static std::string AArch64MnemonicSpellCheck(StringRef S, | |||
| 4752 | const FeatureBitset &FBS, | |||
| 4753 | unsigned VariantID = 0); | |||
| 4754 | ||||
| 4755 | bool AArch64AsmParser::showMatchError(SMLoc Loc, unsigned ErrCode, | |||
| 4756 | uint64_t ErrorInfo, | |||
| 4757 | OperandVector &Operands) { | |||
| 4758 | switch (ErrCode) { | |||
| 4759 | case Match_InvalidTiedOperand: { | |||
| 4760 | RegConstraintEqualityTy EqTy = | |||
| 4761 | static_cast<const AArch64Operand &>(*Operands[ErrorInfo]) | |||
| 4762 | .getRegEqualityTy(); | |||
| 4763 | switch (EqTy) { | |||
| 4764 | case RegConstraintEqualityTy::EqualsSubReg: | |||
| 4765 | return Error(Loc, "operand must be 64-bit form of destination register"); | |||
| 4766 | case RegConstraintEqualityTy::EqualsSuperReg: | |||
| 4767 | return Error(Loc, "operand must be 32-bit form of destination register"); | |||
| 4768 | case RegConstraintEqualityTy::EqualsReg: | |||
| 4769 | return Error(Loc, "operand must match destination register"); | |||
| 4770 | } | |||
| 4771 | llvm_unreachable("Unknown RegConstraintEqualityTy")::llvm::llvm_unreachable_internal("Unknown RegConstraintEqualityTy" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 4771); | |||
| 4772 | } | |||
| 4773 | case Match_MissingFeature: | |||
| 4774 | return Error(Loc, | |||
| 4775 | "instruction requires a CPU feature not currently enabled"); | |||
| 4776 | case Match_InvalidOperand: | |||
| 4777 | return Error(Loc, "invalid operand for instruction"); | |||
| 4778 | case Match_InvalidSuffix: | |||
| 4779 | return Error(Loc, "invalid type suffix for instruction"); | |||
| 4780 | case Match_InvalidCondCode: | |||
| 4781 | return Error(Loc, "expected AArch64 condition code"); | |||
| 4782 | case Match_AddSubRegExtendSmall: | |||
| 4783 | return Error(Loc, | |||
| 4784 | "expected '[su]xt[bhw]' with optional integer in range [0, 4]"); | |||
| 4785 | case Match_AddSubRegExtendLarge: | |||
| 4786 | return Error(Loc, | |||
| 4787 | "expected 'sxtx' 'uxtx' or 'lsl' with optional integer in range [0, 4]"); | |||
| 4788 | case Match_AddSubSecondSource: | |||
| 4789 | return Error(Loc, | |||
| 4790 | "expected compatible register, symbol or integer in range [0, 4095]"); | |||
| 4791 | case Match_LogicalSecondSource: | |||
| 4792 | return Error(Loc, "expected compatible register or logical immediate"); | |||
| 4793 | case Match_InvalidMovImm32Shift: | |||
| 4794 | return Error(Loc, "expected 'lsl' with optional integer 0 or 16"); | |||
| 4795 | case Match_InvalidMovImm64Shift: | |||
| 4796 | return Error(Loc, "expected 'lsl' with optional integer 0, 16, 32 or 48"); | |||
| 4797 | case Match_AddSubRegShift32: | |||
| 4798 | return Error(Loc, | |||
| 4799 | "expected 'lsl', 'lsr' or 'asr' with optional integer in range [0, 31]"); | |||
| 4800 | case Match_AddSubRegShift64: | |||
| 4801 | return Error(Loc, | |||
| 4802 | "expected 'lsl', 'lsr' or 'asr' with optional integer in range [0, 63]"); | |||
| 4803 | case Match_InvalidFPImm: | |||
| 4804 | return Error(Loc, | |||
| 4805 | "expected compatible register or floating-point constant"); | |||
| 4806 | case Match_InvalidMemoryIndexedSImm6: | |||
| 4807 | return Error(Loc, "index must be an integer in range [-32, 31]."); | |||
| 4808 | case Match_InvalidMemoryIndexedSImm5: | |||
| 4809 | return Error(Loc, "index must be an integer in range [-16, 15]."); | |||
| 4810 | case Match_InvalidMemoryIndexed1SImm4: | |||
| 4811 | return Error(Loc, "index must be an integer in range [-8, 7]."); | |||
| 4812 | case Match_InvalidMemoryIndexed2SImm4: | |||
| 4813 | return Error(Loc, "index must be a multiple of 2 in range [-16, 14]."); | |||
| 4814 | case Match_InvalidMemoryIndexed3SImm4: | |||
| 4815 | return Error(Loc, "index must be a multiple of 3 in range [-24, 21]."); | |||
| 4816 | case Match_InvalidMemoryIndexed4SImm4: | |||
| 4817 | return Error(Loc, "index must be a multiple of 4 in range [-32, 28]."); | |||
| 4818 | case Match_InvalidMemoryIndexed16SImm4: | |||
| 4819 | return Error(Loc, "index must be a multiple of 16 in range [-128, 112]."); | |||
| 4820 | case Match_InvalidMemoryIndexed32SImm4: | |||
| 4821 | return Error(Loc, "index must be a multiple of 32 in range [-256, 224]."); | |||
| 4822 | case Match_InvalidMemoryIndexed1SImm6: | |||
| 4823 | return Error(Loc, "index must be an integer in range [-32, 31]."); | |||
| 4824 | case Match_InvalidMemoryIndexedSImm8: | |||
| 4825 | return Error(Loc, "index must be an integer in range [-128, 127]."); | |||
| 4826 | case Match_InvalidMemoryIndexedSImm9: | |||
| 4827 | return Error(Loc, "index must be an integer in range [-256, 255]."); | |||
| 4828 | case Match_InvalidMemoryIndexed16SImm9: | |||
| 4829 | return Error(Loc, "index must be a multiple of 16 in range [-4096, 4080]."); | |||
| 4830 | case Match_InvalidMemoryIndexed8SImm10: | |||
| 4831 | return Error(Loc, "index must be a multiple of 8 in range [-4096, 4088]."); | |||
| 4832 | case Match_InvalidMemoryIndexed4SImm7: | |||
| 4833 | return Error(Loc, "index must be a multiple of 4 in range [-256, 252]."); | |||
| 4834 | case Match_InvalidMemoryIndexed8SImm7: | |||
| 4835 | return Error(Loc, "index must be a multiple of 8 in range [-512, 504]."); | |||
| 4836 | case Match_InvalidMemoryIndexed16SImm7: | |||
| 4837 | return Error(Loc, "index must be a multiple of 16 in range [-1024, 1008]."); | |||
| 4838 | case Match_InvalidMemoryIndexed8UImm5: | |||
| 4839 | return Error(Loc, "index must be a multiple of 8 in range [0, 248]."); | |||
| 4840 | case Match_InvalidMemoryIndexed4UImm5: | |||
| 4841 | return Error(Loc, "index must be a multiple of 4 in range [0, 124]."); | |||
| 4842 | case Match_InvalidMemoryIndexed2UImm5: | |||
| 4843 | return Error(Loc, "index must be a multiple of 2 in range [0, 62]."); | |||
| 4844 | case Match_InvalidMemoryIndexed8UImm6: | |||
| 4845 | return Error(Loc, "index must be a multiple of 8 in range [0, 504]."); | |||
| 4846 | case Match_InvalidMemoryIndexed16UImm6: | |||
| 4847 | return Error(Loc, "index must be a multiple of 16 in range [0, 1008]."); | |||
| 4848 | case Match_InvalidMemoryIndexed4UImm6: | |||
| 4849 | return Error(Loc, "index must be a multiple of 4 in range [0, 252]."); | |||
| 4850 | case Match_InvalidMemoryIndexed2UImm6: | |||
| 4851 | return Error(Loc, "index must be a multiple of 2 in range [0, 126]."); | |||
| 4852 | case Match_InvalidMemoryIndexed1UImm6: | |||
| 4853 | return Error(Loc, "index must be in range [0, 63]."); | |||
| 4854 | case Match_InvalidMemoryWExtend8: | |||
| 4855 | return Error(Loc, | |||
| 4856 | "expected 'uxtw' or 'sxtw' with optional shift of #0"); | |||
| 4857 | case Match_InvalidMemoryWExtend16: | |||
| 4858 | return Error(Loc, | |||
| 4859 | "expected 'uxtw' or 'sxtw' with optional shift of #0 or #1"); | |||
| 4860 | case Match_InvalidMemoryWExtend32: | |||
| 4861 | return Error(Loc, | |||
| 4862 | "expected 'uxtw' or 'sxtw' with optional shift of #0 or #2"); | |||
| 4863 | case Match_InvalidMemoryWExtend64: | |||
| 4864 | return Error(Loc, | |||
| 4865 | "expected 'uxtw' or 'sxtw' with optional shift of #0 or #3"); | |||
| 4866 | case Match_InvalidMemoryWExtend128: | |||
| 4867 | return Error(Loc, | |||
| 4868 | "expected 'uxtw' or 'sxtw' with optional shift of #0 or #4"); | |||
| 4869 | case Match_InvalidMemoryXExtend8: | |||
| 4870 | return Error(Loc, | |||
| 4871 | "expected 'lsl' or 'sxtx' with optional shift of #0"); | |||
| 4872 | case Match_InvalidMemoryXExtend16: | |||
| 4873 | return Error(Loc, | |||
| 4874 | "expected 'lsl' or 'sxtx' with optional shift of #0 or #1"); | |||
| 4875 | case Match_InvalidMemoryXExtend32: | |||
| 4876 | return Error(Loc, | |||
| 4877 | "expected 'lsl' or 'sxtx' with optional shift of #0 or #2"); | |||
| 4878 | case Match_InvalidMemoryXExtend64: | |||
| 4879 | return Error(Loc, | |||
| 4880 | "expected 'lsl' or 'sxtx' with optional shift of #0 or #3"); | |||
| 4881 | case Match_InvalidMemoryXExtend128: | |||
| 4882 | return Error(Loc, | |||
| 4883 | "expected 'lsl' or 'sxtx' with optional shift of #0 or #4"); | |||
| 4884 | case Match_InvalidMemoryIndexed1: | |||
| 4885 | return Error(Loc, "index must be an integer in range [0, 4095]."); | |||
| 4886 | case Match_InvalidMemoryIndexed2: | |||
| 4887 | return Error(Loc, "index must be a multiple of 2 in range [0, 8190]."); | |||
| 4888 | case Match_InvalidMemoryIndexed4: | |||
| 4889 | return Error(Loc, "index must be a multiple of 4 in range [0, 16380]."); | |||
| 4890 | case Match_InvalidMemoryIndexed8: | |||
| 4891 | return Error(Loc, "index must be a multiple of 8 in range [0, 32760]."); | |||
| 4892 | case Match_InvalidMemoryIndexed16: | |||
| 4893 | return Error(Loc, "index must be a multiple of 16 in range [0, 65520]."); | |||
| 4894 | case Match_InvalidImm0_1: | |||
| 4895 | return Error(Loc, "immediate must be an integer in range [0, 1]."); | |||
| 4896 | case Match_InvalidImm0_3: | |||
| 4897 | return Error(Loc, "immediate must be an integer in range [0, 3]."); | |||
| 4898 | case Match_InvalidImm0_7: | |||
| 4899 | return Error(Loc, "immediate must be an integer in range [0, 7]."); | |||
| 4900 | case Match_InvalidImm0_15: | |||
| 4901 | return Error(Loc, "immediate must be an integer in range [0, 15]."); | |||
| 4902 | case Match_InvalidImm0_31: | |||
| 4903 | return Error(Loc, "immediate must be an integer in range [0, 31]."); | |||
| 4904 | case Match_InvalidImm0_63: | |||
| 4905 | return Error(Loc, "immediate must be an integer in range [0, 63]."); | |||
| 4906 | case Match_InvalidImm0_127: | |||
| 4907 | return Error(Loc, "immediate must be an integer in range [0, 127]."); | |||
| 4908 | case Match_InvalidImm0_255: | |||
| 4909 | return Error(Loc, "immediate must be an integer in range [0, 255]."); | |||
| 4910 | case Match_InvalidImm0_65535: | |||
| 4911 | return Error(Loc, "immediate must be an integer in range [0, 65535]."); | |||
| 4912 | case Match_InvalidImm1_8: | |||
| 4913 | return Error(Loc, "immediate must be an integer in range [1, 8]."); | |||
| 4914 | case Match_InvalidImm1_16: | |||
| 4915 | return Error(Loc, "immediate must be an integer in range [1, 16]."); | |||
| 4916 | case Match_InvalidImm1_32: | |||
| 4917 | return Error(Loc, "immediate must be an integer in range [1, 32]."); | |||
| 4918 | case Match_InvalidImm1_64: | |||
| 4919 | return Error(Loc, "immediate must be an integer in range [1, 64]."); | |||
| 4920 | case Match_InvalidSVEAddSubImm8: | |||
| 4921 | return Error(Loc, "immediate must be an integer in range [0, 255]" | |||
| 4922 | " with a shift amount of 0"); | |||
| 4923 | case Match_InvalidSVEAddSubImm16: | |||
| 4924 | case Match_InvalidSVEAddSubImm32: | |||
| 4925 | case Match_InvalidSVEAddSubImm64: | |||
| 4926 | return Error(Loc, "immediate must be an integer in range [0, 255] or a " | |||
| 4927 | "multiple of 256 in range [256, 65280]"); | |||
| 4928 | case Match_InvalidSVECpyImm8: | |||
| 4929 | return Error(Loc, "immediate must be an integer in range [-128, 255]" | |||
| 4930 | " with a shift amount of 0"); | |||
| 4931 | case Match_InvalidSVECpyImm16: | |||
| 4932 | return Error(Loc, "immediate must be an integer in range [-128, 127] or a " | |||
| 4933 | "multiple of 256 in range [-32768, 65280]"); | |||
| 4934 | case Match_InvalidSVECpyImm32: | |||
| 4935 | case Match_InvalidSVECpyImm64: | |||
| 4936 | return Error(Loc, "immediate must be an integer in range [-128, 127] or a " | |||
| 4937 | "multiple of 256 in range [-32768, 32512]"); | |||
| 4938 | case Match_InvalidIndexRange1_1: | |||
| 4939 | return Error(Loc, "expected lane specifier '[1]'"); | |||
| 4940 | case Match_InvalidIndexRange0_15: | |||
| 4941 | return Error(Loc, "vector lane must be an integer in range [0, 15]."); | |||
| 4942 | case Match_InvalidIndexRange0_7: | |||
| 4943 | return Error(Loc, "vector lane must be an integer in range [0, 7]."); | |||
| 4944 | case Match_InvalidIndexRange0_3: | |||
| 4945 | return Error(Loc, "vector lane must be an integer in range [0, 3]."); | |||
| 4946 | case Match_InvalidIndexRange0_1: | |||
| 4947 | return Error(Loc, "vector lane must be an integer in range [0, 1]."); | |||
| 4948 | case Match_InvalidSVEIndexRange0_63: | |||
| 4949 | return Error(Loc, "vector lane must be an integer in range [0, 63]."); | |||
| 4950 | case Match_InvalidSVEIndexRange0_31: | |||
| 4951 | return Error(Loc, "vector lane must be an integer in range [0, 31]."); | |||
| 4952 | case Match_InvalidSVEIndexRange0_15: | |||
| 4953 | return Error(Loc, "vector lane must be an integer in range [0, 15]."); | |||
| 4954 | case Match_InvalidSVEIndexRange0_7: | |||
| 4955 | return Error(Loc, "vector lane must be an integer in range [0, 7]."); | |||
| 4956 | case Match_InvalidSVEIndexRange0_3: | |||
| 4957 | return Error(Loc, "vector lane must be an integer in range [0, 3]."); | |||
| 4958 | case Match_InvalidLabel: | |||
| 4959 | return Error(Loc, "expected label or encodable integer pc offset"); | |||
| 4960 | case Match_MRS: | |||
| 4961 | return Error(Loc, "expected readable system register"); | |||
| 4962 | case Match_MSR: | |||
| 4963 | case Match_InvalidSVCR: | |||
| 4964 | return Error(Loc, "expected writable system register or pstate"); | |||
| 4965 | case Match_InvalidComplexRotationEven: | |||
| 4966 | return Error(Loc, "complex rotation must be 0, 90, 180 or 270."); | |||
| 4967 | case Match_InvalidComplexRotationOdd: | |||
| 4968 | return Error(Loc, "complex rotation must be 90 or 270."); | |||
| 4969 | case Match_MnemonicFail: { | |||
| 4970 | std::string Suggestion = AArch64MnemonicSpellCheck( | |||
| 4971 | ((AArch64Operand &)*Operands[0]).getToken(), | |||
| 4972 | ComputeAvailableFeatures(STI->getFeatureBits())); | |||
| 4973 | return Error(Loc, "unrecognized instruction mnemonic" + Suggestion); | |||
| 4974 | } | |||
| 4975 | case Match_InvalidGPR64shifted8: | |||
| 4976 | return Error(Loc, "register must be x0..x30 or xzr, without shift"); | |||
| 4977 | case Match_InvalidGPR64shifted16: | |||
| 4978 | return Error(Loc, "register must be x0..x30 or xzr, with required shift 'lsl #1'"); | |||
| 4979 | case Match_InvalidGPR64shifted32: | |||
| 4980 | return Error(Loc, "register must be x0..x30 or xzr, with required shift 'lsl #2'"); | |||
| 4981 | case Match_InvalidGPR64shifted64: | |||
| 4982 | return Error(Loc, "register must be x0..x30 or xzr, with required shift 'lsl #3'"); | |||
| 4983 | case Match_InvalidGPR64shifted128: | |||
| 4984 | return Error( | |||
| 4985 | Loc, "register must be x0..x30 or xzr, with required shift 'lsl #4'"); | |||
| 4986 | case Match_InvalidGPR64NoXZRshifted8: | |||
| 4987 | return Error(Loc, "register must be x0..x30 without shift"); | |||
| 4988 | case Match_InvalidGPR64NoXZRshifted16: | |||
| 4989 | return Error(Loc, "register must be x0..x30 with required shift 'lsl #1'"); | |||
| 4990 | case Match_InvalidGPR64NoXZRshifted32: | |||
| 4991 | return Error(Loc, "register must be x0..x30 with required shift 'lsl #2'"); | |||
| 4992 | case Match_InvalidGPR64NoXZRshifted64: | |||
| 4993 | return Error(Loc, "register must be x0..x30 with required shift 'lsl #3'"); | |||
| 4994 | case Match_InvalidGPR64NoXZRshifted128: | |||
| 4995 | return Error(Loc, "register must be x0..x30 with required shift 'lsl #4'"); | |||
| 4996 | case Match_InvalidZPR32UXTW8: | |||
| 4997 | case Match_InvalidZPR32SXTW8: | |||
| 4998 | return Error(Loc, "invalid shift/extend specified, expected 'z[0..31].s, (uxtw|sxtw)'"); | |||
| 4999 | case Match_InvalidZPR32UXTW16: | |||
| 5000 | case Match_InvalidZPR32SXTW16: | |||
| 5001 | return Error(Loc, "invalid shift/extend specified, expected 'z[0..31].s, (uxtw|sxtw) #1'"); | |||
| 5002 | case Match_InvalidZPR32UXTW32: | |||
| 5003 | case Match_InvalidZPR32SXTW32: | |||
| 5004 | return Error(Loc, "invalid shift/extend specified, expected 'z[0..31].s, (uxtw|sxtw) #2'"); | |||
| 5005 | case Match_InvalidZPR32UXTW64: | |||
| 5006 | case Match_InvalidZPR32SXTW64: | |||
| 5007 | return Error(Loc, "invalid shift/extend specified, expected 'z[0..31].s, (uxtw|sxtw) #3'"); | |||
| 5008 | case Match_InvalidZPR64UXTW8: | |||
| 5009 | case Match_InvalidZPR64SXTW8: | |||
| 5010 | return Error(Loc, "invalid shift/extend specified, expected 'z[0..31].d, (uxtw|sxtw)'"); | |||
| 5011 | case Match_InvalidZPR64UXTW16: | |||
| 5012 | case Match_InvalidZPR64SXTW16: | |||
| 5013 | return Error(Loc, "invalid shift/extend specified, expected 'z[0..31].d, (lsl|uxtw|sxtw) #1'"); | |||
| 5014 | case Match_InvalidZPR64UXTW32: | |||
| 5015 | case Match_InvalidZPR64SXTW32: | |||
| 5016 | return Error(Loc, "invalid shift/extend specified, expected 'z[0..31].d, (lsl|uxtw|sxtw) #2'"); | |||
| 5017 | case Match_InvalidZPR64UXTW64: | |||
| 5018 | case Match_InvalidZPR64SXTW64: | |||
| 5019 | return Error(Loc, "invalid shift/extend specified, expected 'z[0..31].d, (lsl|uxtw|sxtw) #3'"); | |||
| 5020 | case Match_InvalidZPR32LSL8: | |||
| 5021 | return Error(Loc, "invalid shift/extend specified, expected 'z[0..31].s'"); | |||
| 5022 | case Match_InvalidZPR32LSL16: | |||
| 5023 | return Error(Loc, "invalid shift/extend specified, expected 'z[0..31].s, lsl #1'"); | |||
| 5024 | case Match_InvalidZPR32LSL32: | |||
| 5025 | return Error(Loc, "invalid shift/extend specified, expected 'z[0..31].s, lsl #2'"); | |||
| 5026 | case Match_InvalidZPR32LSL64: | |||
| 5027 | return Error(Loc, "invalid shift/extend specified, expected 'z[0..31].s, lsl #3'"); | |||
| 5028 | case Match_InvalidZPR64LSL8: | |||
| 5029 | return Error(Loc, "invalid shift/extend specified, expected 'z[0..31].d'"); | |||
| 5030 | case Match_InvalidZPR64LSL16: | |||
| 5031 | return Error(Loc, "invalid shift/extend specified, expected 'z[0..31].d, lsl #1'"); | |||
| 5032 | case Match_InvalidZPR64LSL32: | |||
| 5033 | return Error(Loc, "invalid shift/extend specified, expected 'z[0..31].d, lsl #2'"); | |||
| 5034 | case Match_InvalidZPR64LSL64: | |||
| 5035 | return Error(Loc, "invalid shift/extend specified, expected 'z[0..31].d, lsl #3'"); | |||
| 5036 | case Match_InvalidZPR0: | |||
| 5037 | return Error(Loc, "expected register without element width suffix"); | |||
| 5038 | case Match_InvalidZPR8: | |||
| 5039 | case Match_InvalidZPR16: | |||
| 5040 | case Match_InvalidZPR32: | |||
| 5041 | case Match_InvalidZPR64: | |||
| 5042 | case Match_InvalidZPR128: | |||
| 5043 | return Error(Loc, "invalid element width"); | |||
| 5044 | case Match_InvalidZPR_3b8: | |||
| 5045 | return Error(Loc, "Invalid restricted vector register, expected z0.b..z7.b"); | |||
| 5046 | case Match_InvalidZPR_3b16: | |||
| 5047 | return Error(Loc, "Invalid restricted vector register, expected z0.h..z7.h"); | |||
| 5048 | case Match_InvalidZPR_3b32: | |||
| 5049 | return Error(Loc, "Invalid restricted vector register, expected z0.s..z7.s"); | |||
| 5050 | case Match_InvalidZPR_4b16: | |||
| 5051 | return Error(Loc, "Invalid restricted vector register, expected z0.h..z15.h"); | |||
| 5052 | case Match_InvalidZPR_4b32: | |||
| 5053 | return Error(Loc, "Invalid restricted vector register, expected z0.s..z15.s"); | |||
| 5054 | case Match_InvalidZPR_4b64: | |||
| 5055 | return Error(Loc, "Invalid restricted vector register, expected z0.d..z15.d"); | |||
| 5056 | case Match_InvalidSVEPattern: | |||
| 5057 | return Error(Loc, "invalid predicate pattern"); | |||
| 5058 | case Match_InvalidSVEPredicateAnyReg: | |||
| 5059 | case Match_InvalidSVEPredicateBReg: | |||
| 5060 | case Match_InvalidSVEPredicateHReg: | |||
| 5061 | case Match_InvalidSVEPredicateSReg: | |||
| 5062 | case Match_InvalidSVEPredicateDReg: | |||
| 5063 | return Error(Loc, "invalid predicate register."); | |||
| 5064 | case Match_InvalidSVEPredicate3bAnyReg: | |||
| 5065 | return Error(Loc, "invalid restricted predicate register, expected p0..p7 (without element suffix)"); | |||
| 5066 | case Match_InvalidSVEPredicate3bBReg: | |||
| 5067 | return Error(Loc, "invalid restricted predicate register, expected p0.b..p7.b"); | |||
| 5068 | case Match_InvalidSVEPredicate3bHReg: | |||
| 5069 | return Error(Loc, "invalid restricted predicate register, expected p0.h..p7.h"); | |||
| 5070 | case Match_InvalidSVEPredicate3bSReg: | |||
| 5071 | return Error(Loc, "invalid restricted predicate register, expected p0.s..p7.s"); | |||
| 5072 | case Match_InvalidSVEPredicate3bDReg: | |||
| 5073 | return Error(Loc, "invalid restricted predicate register, expected p0.d..p7.d"); | |||
| 5074 | case Match_InvalidSVEExactFPImmOperandHalfOne: | |||
| 5075 | return Error(Loc, "Invalid floating point constant, expected 0.5 or 1.0."); | |||
| 5076 | case Match_InvalidSVEExactFPImmOperandHalfTwo: | |||
| 5077 | return Error(Loc, "Invalid floating point constant, expected 0.5 or 2.0."); | |||
| 5078 | case Match_InvalidSVEExactFPImmOperandZeroOne: | |||
| 5079 | return Error(Loc, "Invalid floating point constant, expected 0.0 or 1.0."); | |||
| 5080 | case Match_InvalidMatrixTileVectorH8: | |||
| 5081 | case Match_InvalidMatrixTileVectorV8: | |||
| 5082 | return Error(Loc, "invalid matrix operand, expected za0h.b or za0v.b"); | |||
| 5083 | case Match_InvalidMatrixTileVectorH16: | |||
| 5084 | case Match_InvalidMatrixTileVectorV16: | |||
| 5085 | return Error(Loc, | |||
| 5086 | "invalid matrix operand, expected za[0-1]h.h or za[0-1]v.h"); | |||
| 5087 | case Match_InvalidMatrixTileVectorH32: | |||
| 5088 | case Match_InvalidMatrixTileVectorV32: | |||
| 5089 | return Error(Loc, | |||
| 5090 | "invalid matrix operand, expected za[0-3]h.s or za[0-3]v.s"); | |||
| 5091 | case Match_InvalidMatrixTileVectorH64: | |||
| 5092 | case Match_InvalidMatrixTileVectorV64: | |||
| 5093 | return Error(Loc, | |||
| 5094 | "invalid matrix operand, expected za[0-7]h.d or za[0-7]v.d"); | |||
| 5095 | case Match_InvalidMatrixTileVectorH128: | |||
| 5096 | case Match_InvalidMatrixTileVectorV128: | |||
| 5097 | return Error(Loc, | |||
| 5098 | "invalid matrix operand, expected za[0-15]h.q or za[0-15]v.q"); | |||
| 5099 | case Match_InvalidMatrixTile32: | |||
| 5100 | return Error(Loc, "invalid matrix operand, expected za[0-3].s"); | |||
| 5101 | case Match_InvalidMatrixTile64: | |||
| 5102 | return Error(Loc, "invalid matrix operand, expected za[0-7].d"); | |||
| 5103 | case Match_InvalidMatrix: | |||
| 5104 | return Error(Loc, "invalid matrix operand, expected za"); | |||
| 5105 | default: | |||
| 5106 | llvm_unreachable("unexpected error code!")::llvm::llvm_unreachable_internal("unexpected error code!", "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 5106); | |||
| 5107 | } | |||
| 5108 | } | |||
| 5109 | ||||
| 5110 | static const char *getSubtargetFeatureName(uint64_t Val); | |||
| 5111 | ||||
| 5112 | bool AArch64AsmParser::MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode, | |||
| 5113 | OperandVector &Operands, | |||
| 5114 | MCStreamer &Out, | |||
| 5115 | uint64_t &ErrorInfo, | |||
| 5116 | bool MatchingInlineAsm) { | |||
| 5117 | assert(!Operands.empty() && "Unexpect empty operand list!")(static_cast <bool> (!Operands.empty() && "Unexpect empty operand list!" ) ? void (0) : __assert_fail ("!Operands.empty() && \"Unexpect empty operand list!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 5117, __extension__ __PRETTY_FUNCTION__)); | |||
| 5118 | AArch64Operand &Op = static_cast<AArch64Operand &>(*Operands[0]); | |||
| 5119 | assert(Op.isToken() && "Leading operand should always be a mnemonic!")(static_cast <bool> (Op.isToken() && "Leading operand should always be a mnemonic!" ) ? void (0) : __assert_fail ("Op.isToken() && \"Leading operand should always be a mnemonic!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 5119, __extension__ __PRETTY_FUNCTION__)); | |||
| 5120 | ||||
| 5121 | StringRef Tok = Op.getToken(); | |||
| 5122 | unsigned NumOperands = Operands.size(); | |||
| 5123 | ||||
| 5124 | if (NumOperands == 4 && Tok == "lsl") { | |||
| 5125 | AArch64Operand &Op2 = static_cast<AArch64Operand &>(*Operands[2]); | |||
| 5126 | AArch64Operand &Op3 = static_cast<AArch64Operand &>(*Operands[3]); | |||
| 5127 | if (Op2.isScalarReg() && Op3.isImm()) { | |||
| 5128 | const MCConstantExpr *Op3CE = dyn_cast<MCConstantExpr>(Op3.getImm()); | |||
| 5129 | if (Op3CE) { | |||
| 5130 | uint64_t Op3Val = Op3CE->getValue(); | |||
| 5131 | uint64_t NewOp3Val = 0; | |||
| 5132 | uint64_t NewOp4Val = 0; | |||
| 5133 | if (AArch64MCRegisterClasses[AArch64::GPR32allRegClassID].contains( | |||
| 5134 | Op2.getReg())) { | |||
| 5135 | NewOp3Val = (32 - Op3Val) & 0x1f; | |||
| 5136 | NewOp4Val = 31 - Op3Val; | |||
| 5137 | } else { | |||
| 5138 | NewOp3Val = (64 - Op3Val) & 0x3f; | |||
| 5139 | NewOp4Val = 63 - Op3Val; | |||
| 5140 | } | |||
| 5141 | ||||
| 5142 | const MCExpr *NewOp3 = MCConstantExpr::create(NewOp3Val, getContext()); | |||
| 5143 | const MCExpr *NewOp4 = MCConstantExpr::create(NewOp4Val, getContext()); | |||
| 5144 | ||||
| 5145 | Operands[0] = AArch64Operand::CreateToken( | |||
| 5146 | "ubfm", false, Op.getStartLoc(), getContext()); | |||
| 5147 | Operands.push_back(AArch64Operand::CreateImm( | |||
| 5148 | NewOp4, Op3.getStartLoc(), Op3.getEndLoc(), getContext())); | |||
| 5149 | Operands[3] = AArch64Operand::CreateImm(NewOp3, Op3.getStartLoc(), | |||
| 5150 | Op3.getEndLoc(), getContext()); | |||
| 5151 | } | |||
| 5152 | } | |||
| 5153 | } else if (NumOperands == 4 && Tok == "bfc") { | |||
| 5154 | // FIXME: Horrible hack to handle BFC->BFM alias. | |||
| 5155 | AArch64Operand &Op1 = static_cast<AArch64Operand &>(*Operands[1]); | |||
| 5156 | AArch64Operand LSBOp = static_cast<AArch64Operand &>(*Operands[2]); | |||
| 5157 | AArch64Operand WidthOp = static_cast<AArch64Operand &>(*Operands[3]); | |||
| 5158 | ||||
| 5159 | if (Op1.isScalarReg() && LSBOp.isImm() && WidthOp.isImm()) { | |||
| 5160 | const MCConstantExpr *LSBCE = dyn_cast<MCConstantExpr>(LSBOp.getImm()); | |||
| 5161 | const MCConstantExpr *WidthCE = dyn_cast<MCConstantExpr>(WidthOp.getImm()); | |||
| 5162 | ||||
| 5163 | if (LSBCE && WidthCE) { | |||
| 5164 | uint64_t LSB = LSBCE->getValue(); | |||
| 5165 | uint64_t Width = WidthCE->getValue(); | |||
| 5166 | ||||
| 5167 | uint64_t RegWidth = 0; | |||
| 5168 | if (AArch64MCRegisterClasses[AArch64::GPR64allRegClassID].contains( | |||
| 5169 | Op1.getReg())) | |||
| 5170 | RegWidth = 64; | |||
| 5171 | else | |||
| 5172 | RegWidth = 32; | |||
| 5173 | ||||
| 5174 | if (LSB >= RegWidth) | |||
| 5175 | return Error(LSBOp.getStartLoc(), | |||
| 5176 | "expected integer in range [0, 31]"); | |||
| 5177 | if (Width < 1 || Width > RegWidth) | |||
| 5178 | return Error(WidthOp.getStartLoc(), | |||
| 5179 | "expected integer in range [1, 32]"); | |||
| 5180 | ||||
| 5181 | uint64_t ImmR = 0; | |||
| 5182 | if (RegWidth == 32) | |||
| 5183 | ImmR = (32 - LSB) & 0x1f; | |||
| 5184 | else | |||
| 5185 | ImmR = (64 - LSB) & 0x3f; | |||
| 5186 | ||||
| 5187 | uint64_t ImmS = Width - 1; | |||
| 5188 | ||||
| 5189 | if (ImmR != 0 && ImmS >= ImmR) | |||
| 5190 | return Error(WidthOp.getStartLoc(), | |||
| 5191 | "requested insert overflows register"); | |||
| 5192 | ||||
| 5193 | const MCExpr *ImmRExpr = MCConstantExpr::create(ImmR, getContext()); | |||
| 5194 | const MCExpr *ImmSExpr = MCConstantExpr::create(ImmS, getContext()); | |||
| 5195 | Operands[0] = AArch64Operand::CreateToken( | |||
| 5196 | "bfm", false, Op.getStartLoc(), getContext()); | |||
| 5197 | Operands[2] = AArch64Operand::CreateReg( | |||
| 5198 | RegWidth == 32 ? AArch64::WZR : AArch64::XZR, RegKind::Scalar, | |||
| 5199 | SMLoc(), SMLoc(), getContext()); | |||
| 5200 | Operands[3] = AArch64Operand::CreateImm( | |||
| 5201 | ImmRExpr, LSBOp.getStartLoc(), LSBOp.getEndLoc(), getContext()); | |||
| 5202 | Operands.emplace_back( | |||
| 5203 | AArch64Operand::CreateImm(ImmSExpr, WidthOp.getStartLoc(), | |||
| 5204 | WidthOp.getEndLoc(), getContext())); | |||
| 5205 | } | |||
| 5206 | } | |||
| 5207 | } else if (NumOperands == 5) { | |||
| 5208 | // FIXME: Horrible hack to handle the BFI -> BFM, SBFIZ->SBFM, and | |||
| 5209 | // UBFIZ -> UBFM aliases. | |||
| 5210 | if (Tok == "bfi" || Tok == "sbfiz" || Tok == "ubfiz") { | |||
| 5211 | AArch64Operand &Op1 = static_cast<AArch64Operand &>(*Operands[1]); | |||
| 5212 | AArch64Operand &Op3 = static_cast<AArch64Operand &>(*Operands[3]); | |||
| 5213 | AArch64Operand &Op4 = static_cast<AArch64Operand &>(*Operands[4]); | |||
| 5214 | ||||
| 5215 | if (Op1.isScalarReg() && Op3.isImm() && Op4.isImm()) { | |||
| 5216 | const MCConstantExpr *Op3CE = dyn_cast<MCConstantExpr>(Op3.getImm()); | |||
| 5217 | const MCConstantExpr *Op4CE = dyn_cast<MCConstantExpr>(Op4.getImm()); | |||
| 5218 | ||||
| 5219 | if (Op3CE && Op4CE) { | |||
| 5220 | uint64_t Op3Val = Op3CE->getValue(); | |||
| 5221 | uint64_t Op4Val = Op4CE->getValue(); | |||
| 5222 | ||||
| 5223 | uint64_t RegWidth = 0; | |||
| 5224 | if (AArch64MCRegisterClasses[AArch64::GPR64allRegClassID].contains( | |||
| 5225 | Op1.getReg())) | |||
| 5226 | RegWidth = 64; | |||
| 5227 | else | |||
| 5228 | RegWidth = 32; | |||
| 5229 | ||||
| 5230 | if (Op3Val >= RegWidth) | |||
| 5231 | return Error(Op3.getStartLoc(), | |||
| 5232 | "expected integer in range [0, 31]"); | |||
| 5233 | if (Op4Val < 1 || Op4Val > RegWidth) | |||
| 5234 | return Error(Op4.getStartLoc(), | |||
| 5235 | "expected integer in range [1, 32]"); | |||
| 5236 | ||||
| 5237 | uint64_t NewOp3Val = 0; | |||
| 5238 | if (RegWidth == 32) | |||
| 5239 | NewOp3Val = (32 - Op3Val) & 0x1f; | |||
| 5240 | else | |||
| 5241 | NewOp3Val = (64 - Op3Val) & 0x3f; | |||
| 5242 | ||||
| 5243 | uint64_t NewOp4Val = Op4Val - 1; | |||
| 5244 | ||||
| 5245 | if (NewOp3Val != 0 && NewOp4Val >= NewOp3Val) | |||
| 5246 | return Error(Op4.getStartLoc(), | |||
| 5247 | "requested insert overflows register"); | |||
| 5248 | ||||
| 5249 | const MCExpr *NewOp3 = | |||
| 5250 | MCConstantExpr::create(NewOp3Val, getContext()); | |||
| 5251 | const MCExpr *NewOp4 = | |||
| 5252 | MCConstantExpr::create(NewOp4Val, getContext()); | |||
| 5253 | Operands[3] = AArch64Operand::CreateImm( | |||
| 5254 | NewOp3, Op3.getStartLoc(), Op3.getEndLoc(), getContext()); | |||
| 5255 | Operands[4] = AArch64Operand::CreateImm( | |||
| 5256 | NewOp4, Op4.getStartLoc(), Op4.getEndLoc(), getContext()); | |||
| 5257 | if (Tok == "bfi") | |||
| 5258 | Operands[0] = AArch64Operand::CreateToken( | |||
| 5259 | "bfm", false, Op.getStartLoc(), getContext()); | |||
| 5260 | else if (Tok == "sbfiz") | |||
| 5261 | Operands[0] = AArch64Operand::CreateToken( | |||
| 5262 | "sbfm", false, Op.getStartLoc(), getContext()); | |||
| 5263 | else if (Tok == "ubfiz") | |||
| 5264 | Operands[0] = AArch64Operand::CreateToken( | |||
| 5265 | "ubfm", false, Op.getStartLoc(), getContext()); | |||
| 5266 | else | |||
| 5267 | llvm_unreachable("No valid mnemonic for alias?")::llvm::llvm_unreachable_internal("No valid mnemonic for alias?" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 5267); | |||
| 5268 | } | |||
| 5269 | } | |||
| 5270 | ||||
| 5271 | // FIXME: Horrible hack to handle the BFXIL->BFM, SBFX->SBFM, and | |||
| 5272 | // UBFX -> UBFM aliases. | |||
| 5273 | } else if (NumOperands == 5 && | |||
| 5274 | (Tok == "bfxil" || Tok == "sbfx" || Tok == "ubfx")) { | |||
| 5275 | AArch64Operand &Op1 = static_cast<AArch64Operand &>(*Operands[1]); | |||
| 5276 | AArch64Operand &Op3 = static_cast<AArch64Operand &>(*Operands[3]); | |||
| 5277 | AArch64Operand &Op4 = static_cast<AArch64Operand &>(*Operands[4]); | |||
| 5278 | ||||
| 5279 | if (Op1.isScalarReg() && Op3.isImm() && Op4.isImm()) { | |||
| 5280 | const MCConstantExpr *Op3CE = dyn_cast<MCConstantExpr>(Op3.getImm()); | |||
| 5281 | const MCConstantExpr *Op4CE = dyn_cast<MCConstantExpr>(Op4.getImm()); | |||
| 5282 | ||||
| 5283 | if (Op3CE && Op4CE) { | |||
| 5284 | uint64_t Op3Val = Op3CE->getValue(); | |||
| 5285 | uint64_t Op4Val = Op4CE->getValue(); | |||
| 5286 | ||||
| 5287 | uint64_t RegWidth = 0; | |||
| 5288 | if (AArch64MCRegisterClasses[AArch64::GPR64allRegClassID].contains( | |||
| 5289 | Op1.getReg())) | |||
| 5290 | RegWidth = 64; | |||
| 5291 | else | |||
| 5292 | RegWidth = 32; | |||
| 5293 | ||||
| 5294 | if (Op3Val >= RegWidth) | |||
| 5295 | return Error(Op3.getStartLoc(), | |||
| 5296 | "expected integer in range [0, 31]"); | |||
| 5297 | if (Op4Val < 1 || Op4Val > RegWidth) | |||
| 5298 | return Error(Op4.getStartLoc(), | |||
| 5299 | "expected integer in range [1, 32]"); | |||
| 5300 | ||||
| 5301 | uint64_t NewOp4Val = Op3Val + Op4Val - 1; | |||
| 5302 | ||||
| 5303 | if (NewOp4Val >= RegWidth || NewOp4Val < Op3Val) | |||
| 5304 | return Error(Op4.getStartLoc(), | |||
| 5305 | "requested extract overflows register"); | |||
| 5306 | ||||
| 5307 | const MCExpr *NewOp4 = | |||
| 5308 | MCConstantExpr::create(NewOp4Val, getContext()); | |||
| 5309 | Operands[4] = AArch64Operand::CreateImm( | |||
| 5310 | NewOp4, Op4.getStartLoc(), Op4.getEndLoc(), getContext()); | |||
| 5311 | if (Tok == "bfxil") | |||
| 5312 | Operands[0] = AArch64Operand::CreateToken( | |||
| 5313 | "bfm", false, Op.getStartLoc(), getContext()); | |||
| 5314 | else if (Tok == "sbfx") | |||
| 5315 | Operands[0] = AArch64Operand::CreateToken( | |||
| 5316 | "sbfm", false, Op.getStartLoc(), getContext()); | |||
| 5317 | else if (Tok == "ubfx") | |||
| 5318 | Operands[0] = AArch64Operand::CreateToken( | |||
| 5319 | "ubfm", false, Op.getStartLoc(), getContext()); | |||
| 5320 | else | |||
| 5321 | llvm_unreachable("No valid mnemonic for alias?")::llvm::llvm_unreachable_internal("No valid mnemonic for alias?" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 5321); | |||
| 5322 | } | |||
| 5323 | } | |||
| 5324 | } | |||
| 5325 | } | |||
| 5326 | ||||
| 5327 | // The Cyclone CPU and early successors didn't execute the zero-cycle zeroing | |||
| 5328 | // instruction for FP registers correctly in some rare circumstances. Convert | |||
| 5329 | // it to a safe instruction and warn (because silently changing someone's | |||
| 5330 | // assembly is rude). | |||
| 5331 | if (getSTI().getFeatureBits()[AArch64::FeatureZCZeroingFPWorkaround] && | |||
| 5332 | NumOperands == 4 && Tok == "movi") { | |||
| 5333 | AArch64Operand &Op1 = static_cast<AArch64Operand &>(*Operands[1]); | |||
| 5334 | AArch64Operand &Op2 = static_cast<AArch64Operand &>(*Operands[2]); | |||
| 5335 | AArch64Operand &Op3 = static_cast<AArch64Operand &>(*Operands[3]); | |||
| 5336 | if ((Op1.isToken() && Op2.isNeonVectorReg() && Op3.isImm()) || | |||
| 5337 | (Op1.isNeonVectorReg() && Op2.isToken() && Op3.isImm())) { | |||
| 5338 | StringRef Suffix = Op1.isToken() ? Op1.getToken() : Op2.getToken(); | |||
| 5339 | if (Suffix.lower() == ".2d" && | |||
| 5340 | cast<MCConstantExpr>(Op3.getImm())->getValue() == 0) { | |||
| 5341 | Warning(IDLoc, "instruction movi.2d with immediate #0 may not function" | |||
| 5342 | " correctly on this CPU, converting to equivalent movi.16b"); | |||
| 5343 | // Switch the suffix to .16b. | |||
| 5344 | unsigned Idx = Op1.isToken() ? 1 : 2; | |||
| 5345 | Operands[Idx] = AArch64Operand::CreateToken(".16b", false, IDLoc, | |||
| 5346 | getContext()); | |||
| 5347 | } | |||
| 5348 | } | |||
| 5349 | } | |||
| 5350 | ||||
| 5351 | // FIXME: Horrible hack for sxtw and uxtw with Wn src and Xd dst operands. | |||
| 5352 | // InstAlias can't quite handle this since the reg classes aren't | |||
| 5353 | // subclasses. | |||
| 5354 | if (NumOperands == 3 && (Tok == "sxtw" || Tok == "uxtw")) { | |||
| 5355 | // The source register can be Wn here, but the matcher expects a | |||
| 5356 | // GPR64. Twiddle it here if necessary. | |||
| 5357 | AArch64Operand &Op = static_cast<AArch64Operand &>(*Operands[2]); | |||
| 5358 | if (Op.isScalarReg()) { | |||
| 5359 | unsigned Reg = getXRegFromWReg(Op.getReg()); | |||
| 5360 | Operands[2] = AArch64Operand::CreateReg(Reg, RegKind::Scalar, | |||
| 5361 | Op.getStartLoc(), Op.getEndLoc(), | |||
| 5362 | getContext()); | |||
| 5363 | } | |||
| 5364 | } | |||
| 5365 | // FIXME: Likewise for sxt[bh] with a Xd dst operand | |||
| 5366 | else if (NumOperands == 3 && (Tok == "sxtb" || Tok == "sxth")) { | |||
| 5367 | AArch64Operand &Op = static_cast<AArch64Operand &>(*Operands[1]); | |||
| 5368 | if (Op.isScalarReg() && | |||
| 5369 | AArch64MCRegisterClasses[AArch64::GPR64allRegClassID].contains( | |||
| 5370 | Op.getReg())) { | |||
| 5371 | // The source register can be Wn here, but the matcher expects a | |||
| 5372 | // GPR64. Twiddle it here if necessary. | |||
| 5373 | AArch64Operand &Op = static_cast<AArch64Operand &>(*Operands[2]); | |||
| 5374 | if (Op.isScalarReg()) { | |||
| 5375 | unsigned Reg = getXRegFromWReg(Op.getReg()); | |||
| 5376 | Operands[2] = AArch64Operand::CreateReg(Reg, RegKind::Scalar, | |||
| 5377 | Op.getStartLoc(), | |||
| 5378 | Op.getEndLoc(), getContext()); | |||
| 5379 | } | |||
| 5380 | } | |||
| 5381 | } | |||
| 5382 | // FIXME: Likewise for uxt[bh] with a Xd dst operand | |||
| 5383 | else if (NumOperands == 3 && (Tok == "uxtb" || Tok == "uxth")) { | |||
| 5384 | AArch64Operand &Op = static_cast<AArch64Operand &>(*Operands[1]); | |||
| 5385 | if (Op.isScalarReg() && | |||
| 5386 | AArch64MCRegisterClasses[AArch64::GPR64allRegClassID].contains( | |||
| 5387 | Op.getReg())) { | |||
| 5388 | // The source register can be Wn here, but the matcher expects a | |||
| 5389 | // GPR32. Twiddle it here if necessary. | |||
| 5390 | AArch64Operand &Op = static_cast<AArch64Operand &>(*Operands[1]); | |||
| 5391 | if (Op.isScalarReg()) { | |||
| 5392 | unsigned Reg = getWRegFromXReg(Op.getReg()); | |||
| 5393 | Operands[1] = AArch64Operand::CreateReg(Reg, RegKind::Scalar, | |||
| 5394 | Op.getStartLoc(), | |||
| 5395 | Op.getEndLoc(), getContext()); | |||
| 5396 | } | |||
| 5397 | } | |||
| 5398 | } | |||
| 5399 | ||||
| 5400 | MCInst Inst; | |||
| 5401 | FeatureBitset MissingFeatures; | |||
| 5402 | // First try to match against the secondary set of tables containing the | |||
| 5403 | // short-form NEON instructions (e.g. "fadd.2s v0, v1, v2"). | |||
| 5404 | unsigned MatchResult = | |||
| 5405 | MatchInstructionImpl(Operands, Inst, ErrorInfo, MissingFeatures, | |||
| 5406 | MatchingInlineAsm, 1); | |||
| 5407 | ||||
| 5408 | // If that fails, try against the alternate table containing long-form NEON: | |||
| 5409 | // "fadd v0.2s, v1.2s, v2.2s" | |||
| 5410 | if (MatchResult != Match_Success) { | |||
| 5411 | // But first, save the short-form match result: we can use it in case the | |||
| 5412 | // long-form match also fails. | |||
| 5413 | auto ShortFormNEONErrorInfo = ErrorInfo; | |||
| 5414 | auto ShortFormNEONMatchResult = MatchResult; | |||
| 5415 | auto ShortFormNEONMissingFeatures = MissingFeatures; | |||
| 5416 | ||||
| 5417 | MatchResult = | |||
| 5418 | MatchInstructionImpl(Operands, Inst, ErrorInfo, MissingFeatures, | |||
| 5419 | MatchingInlineAsm, 0); | |||
| 5420 | ||||
| 5421 | // Now, both matches failed, and the long-form match failed on the mnemonic | |||
| 5422 | // suffix token operand. The short-form match failure is probably more | |||
| 5423 | // relevant: use it instead. | |||
| 5424 | if (MatchResult == Match_InvalidOperand && ErrorInfo == 1 && | |||
| 5425 | Operands.size() > 1 && ((AArch64Operand &)*Operands[1]).isToken() && | |||
| 5426 | ((AArch64Operand &)*Operands[1]).isTokenSuffix()) { | |||
| 5427 | MatchResult = ShortFormNEONMatchResult; | |||
| 5428 | ErrorInfo = ShortFormNEONErrorInfo; | |||
| 5429 | MissingFeatures = ShortFormNEONMissingFeatures; | |||
| 5430 | } | |||
| 5431 | } | |||
| 5432 | ||||
| 5433 | switch (MatchResult) { | |||
| 5434 | case Match_Success: { | |||
| 5435 | // Perform range checking and other semantic validations | |||
| 5436 | SmallVector<SMLoc, 8> OperandLocs; | |||
| 5437 | NumOperands = Operands.size(); | |||
| 5438 | for (unsigned i = 1; i < NumOperands; ++i) | |||
| 5439 | OperandLocs.push_back(Operands[i]->getStartLoc()); | |||
| 5440 | if (validateInstruction(Inst, IDLoc, OperandLocs)) | |||
| 5441 | return true; | |||
| 5442 | ||||
| 5443 | Inst.setLoc(IDLoc); | |||
| 5444 | Out.emitInstruction(Inst, getSTI()); | |||
| 5445 | return false; | |||
| 5446 | } | |||
| 5447 | case Match_MissingFeature: { | |||
| 5448 | assert(MissingFeatures.any() && "Unknown missing feature!")(static_cast <bool> (MissingFeatures.any() && "Unknown missing feature!" ) ? void (0) : __assert_fail ("MissingFeatures.any() && \"Unknown missing feature!\"" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 5448, __extension__ __PRETTY_FUNCTION__)); | |||
| 5449 | // Special case the error message for the very common case where only | |||
| 5450 | // a single subtarget feature is missing (neon, e.g.). | |||
| 5451 | std::string Msg = "instruction requires:"; | |||
| 5452 | for (unsigned i = 0, e = MissingFeatures.size(); i != e; ++i) { | |||
| 5453 | if (MissingFeatures[i]) { | |||
| 5454 | Msg += " "; | |||
| 5455 | Msg += getSubtargetFeatureName(i); | |||
| 5456 | } | |||
| 5457 | } | |||
| 5458 | return Error(IDLoc, Msg); | |||
| 5459 | } | |||
| 5460 | case Match_MnemonicFail: | |||
| 5461 | return showMatchError(IDLoc, MatchResult, ErrorInfo, Operands); | |||
| 5462 | case Match_InvalidOperand: { | |||
| 5463 | SMLoc ErrorLoc = IDLoc; | |||
| 5464 | ||||
| 5465 | if (ErrorInfo != ~0ULL) { | |||
| 5466 | if (ErrorInfo >= Operands.size()) | |||
| 5467 | return Error(IDLoc, "too few operands for instruction", | |||
| 5468 | SMRange(IDLoc, getTok().getLoc())); | |||
| 5469 | ||||
| 5470 | ErrorLoc = ((AArch64Operand &)*Operands[ErrorInfo]).getStartLoc(); | |||
| 5471 | if (ErrorLoc == SMLoc()) | |||
| 5472 | ErrorLoc = IDLoc; | |||
| 5473 | } | |||
| 5474 | // If the match failed on a suffix token operand, tweak the diagnostic | |||
| 5475 | // accordingly. | |||
| 5476 | if (((AArch64Operand &)*Operands[ErrorInfo]).isToken() && | |||
| 5477 | ((AArch64Operand &)*Operands[ErrorInfo]).isTokenSuffix()) | |||
| 5478 | MatchResult = Match_InvalidSuffix; | |||
| 5479 | ||||
| 5480 | return showMatchError(ErrorLoc, MatchResult, ErrorInfo, Operands); | |||
| 5481 | } | |||
| 5482 | case Match_InvalidTiedOperand: | |||
| 5483 | case Match_InvalidMemoryIndexed1: | |||
| 5484 | case Match_InvalidMemoryIndexed2: | |||
| 5485 | case Match_InvalidMemoryIndexed4: | |||
| 5486 | case Match_InvalidMemoryIndexed8: | |||
| 5487 | case Match_InvalidMemoryIndexed16: | |||
| 5488 | case Match_InvalidCondCode: | |||
| 5489 | case Match_AddSubRegExtendSmall: | |||
| 5490 | case Match_AddSubRegExtendLarge: | |||
| 5491 | case Match_AddSubSecondSource: | |||
| 5492 | case Match_LogicalSecondSource: | |||
| 5493 | case Match_AddSubRegShift32: | |||
| 5494 | case Match_AddSubRegShift64: | |||
| 5495 | case Match_InvalidMovImm32Shift: | |||
| 5496 | case Match_InvalidMovImm64Shift: | |||
| 5497 | case Match_InvalidFPImm: | |||
| 5498 | case Match_InvalidMemoryWExtend8: | |||
| 5499 | case Match_InvalidMemoryWExtend16: | |||
| 5500 | case Match_InvalidMemoryWExtend32: | |||
| 5501 | case Match_InvalidMemoryWExtend64: | |||
| 5502 | case Match_InvalidMemoryWExtend128: | |||
| 5503 | case Match_InvalidMemoryXExtend8: | |||
| 5504 | case Match_InvalidMemoryXExtend16: | |||
| 5505 | case Match_InvalidMemoryXExtend32: | |||
| 5506 | case Match_InvalidMemoryXExtend64: | |||
| 5507 | case Match_InvalidMemoryXExtend128: | |||
| 5508 | case Match_InvalidMemoryIndexed1SImm4: | |||
| 5509 | case Match_InvalidMemoryIndexed2SImm4: | |||
| 5510 | case Match_InvalidMemoryIndexed3SImm4: | |||
| 5511 | case Match_InvalidMemoryIndexed4SImm4: | |||
| 5512 | case Match_InvalidMemoryIndexed1SImm6: | |||
| 5513 | case Match_InvalidMemoryIndexed16SImm4: | |||
| 5514 | case Match_InvalidMemoryIndexed32SImm4: | |||
| 5515 | case Match_InvalidMemoryIndexed4SImm7: | |||
| 5516 | case Match_InvalidMemoryIndexed8SImm7: | |||
| 5517 | case Match_InvalidMemoryIndexed16SImm7: | |||
| 5518 | case Match_InvalidMemoryIndexed8UImm5: | |||
| 5519 | case Match_InvalidMemoryIndexed4UImm5: | |||
| 5520 | case Match_InvalidMemoryIndexed2UImm5: | |||
| 5521 | case Match_InvalidMemoryIndexed1UImm6: | |||
| 5522 | case Match_InvalidMemoryIndexed2UImm6: | |||
| 5523 | case Match_InvalidMemoryIndexed4UImm6: | |||
| 5524 | case Match_InvalidMemoryIndexed8UImm6: | |||
| 5525 | case Match_InvalidMemoryIndexed16UImm6: | |||
| 5526 | case Match_InvalidMemoryIndexedSImm6: | |||
| 5527 | case Match_InvalidMemoryIndexedSImm5: | |||
| 5528 | case Match_InvalidMemoryIndexedSImm8: | |||
| 5529 | case Match_InvalidMemoryIndexedSImm9: | |||
| 5530 | case Match_InvalidMemoryIndexed16SImm9: | |||
| 5531 | case Match_InvalidMemoryIndexed8SImm10: | |||
| 5532 | case Match_InvalidImm0_1: | |||
| 5533 | case Match_InvalidImm0_3: | |||
| 5534 | case Match_InvalidImm0_7: | |||
| 5535 | case Match_InvalidImm0_15: | |||
| 5536 | case Match_InvalidImm0_31: | |||
| 5537 | case Match_InvalidImm0_63: | |||
| 5538 | case Match_InvalidImm0_127: | |||
| 5539 | case Match_InvalidImm0_255: | |||
| 5540 | case Match_InvalidImm0_65535: | |||
| 5541 | case Match_InvalidImm1_8: | |||
| 5542 | case Match_InvalidImm1_16: | |||
| 5543 | case Match_InvalidImm1_32: | |||
| 5544 | case Match_InvalidImm1_64: | |||
| 5545 | case Match_InvalidSVEAddSubImm8: | |||
| 5546 | case Match_InvalidSVEAddSubImm16: | |||
| 5547 | case Match_InvalidSVEAddSubImm32: | |||
| 5548 | case Match_InvalidSVEAddSubImm64: | |||
| 5549 | case Match_InvalidSVECpyImm8: | |||
| 5550 | case Match_InvalidSVECpyImm16: | |||
| 5551 | case Match_InvalidSVECpyImm32: | |||
| 5552 | case Match_InvalidSVECpyImm64: | |||
| 5553 | case Match_InvalidIndexRange1_1: | |||
| 5554 | case Match_InvalidIndexRange0_15: | |||
| 5555 | case Match_InvalidIndexRange0_7: | |||
| 5556 | case Match_InvalidIndexRange0_3: | |||
| 5557 | case Match_InvalidIndexRange0_1: | |||
| 5558 | case Match_InvalidSVEIndexRange0_63: | |||
| 5559 | case Match_InvalidSVEIndexRange0_31: | |||
| 5560 | case Match_InvalidSVEIndexRange0_15: | |||
| 5561 | case Match_InvalidSVEIndexRange0_7: | |||
| 5562 | case Match_InvalidSVEIndexRange0_3: | |||
| 5563 | case Match_InvalidLabel: | |||
| 5564 | case Match_InvalidComplexRotationEven: | |||
| 5565 | case Match_InvalidComplexRotationOdd: | |||
| 5566 | case Match_InvalidGPR64shifted8: | |||
| 5567 | case Match_InvalidGPR64shifted16: | |||
| 5568 | case Match_InvalidGPR64shifted32: | |||
| 5569 | case Match_InvalidGPR64shifted64: | |||
| 5570 | case Match_InvalidGPR64shifted128: | |||
| 5571 | case Match_InvalidGPR64NoXZRshifted8: | |||
| 5572 | case Match_InvalidGPR64NoXZRshifted16: | |||
| 5573 | case Match_InvalidGPR64NoXZRshifted32: | |||
| 5574 | case Match_InvalidGPR64NoXZRshifted64: | |||
| 5575 | case Match_InvalidGPR64NoXZRshifted128: | |||
| 5576 | case Match_InvalidZPR32UXTW8: | |||
| 5577 | case Match_InvalidZPR32UXTW16: | |||
| 5578 | case Match_InvalidZPR32UXTW32: | |||
| 5579 | case Match_InvalidZPR32UXTW64: | |||
| 5580 | case Match_InvalidZPR32SXTW8: | |||
| 5581 | case Match_InvalidZPR32SXTW16: | |||
| 5582 | case Match_InvalidZPR32SXTW32: | |||
| 5583 | case Match_InvalidZPR32SXTW64: | |||
| 5584 | case Match_InvalidZPR64UXTW8: | |||
| 5585 | case Match_InvalidZPR64SXTW8: | |||
| 5586 | case Match_InvalidZPR64UXTW16: | |||
| 5587 | case Match_InvalidZPR64SXTW16: | |||
| 5588 | case Match_InvalidZPR64UXTW32: | |||
| 5589 | case Match_InvalidZPR64SXTW32: | |||
| 5590 | case Match_InvalidZPR64UXTW64: | |||
| 5591 | case Match_InvalidZPR64SXTW64: | |||
| 5592 | case Match_InvalidZPR32LSL8: | |||
| 5593 | case Match_InvalidZPR32LSL16: | |||
| 5594 | case Match_InvalidZPR32LSL32: | |||
| 5595 | case Match_InvalidZPR32LSL64: | |||
| 5596 | case Match_InvalidZPR64LSL8: | |||
| 5597 | case Match_InvalidZPR64LSL16: | |||
| 5598 | case Match_InvalidZPR64LSL32: | |||
| 5599 | case Match_InvalidZPR64LSL64: | |||
| 5600 | case Match_InvalidZPR0: | |||
| 5601 | case Match_InvalidZPR8: | |||
| 5602 | case Match_InvalidZPR16: | |||
| 5603 | case Match_InvalidZPR32: | |||
| 5604 | case Match_InvalidZPR64: | |||
| 5605 | case Match_InvalidZPR128: | |||
| 5606 | case Match_InvalidZPR_3b8: | |||
| 5607 | case Match_InvalidZPR_3b16: | |||
| 5608 | case Match_InvalidZPR_3b32: | |||
| 5609 | case Match_InvalidZPR_4b16: | |||
| 5610 | case Match_InvalidZPR_4b32: | |||
| 5611 | case Match_InvalidZPR_4b64: | |||
| 5612 | case Match_InvalidSVEPredicateAnyReg: | |||
| 5613 | case Match_InvalidSVEPattern: | |||
| 5614 | case Match_InvalidSVEPredicateBReg: | |||
| 5615 | case Match_InvalidSVEPredicateHReg: | |||
| 5616 | case Match_InvalidSVEPredicateSReg: | |||
| 5617 | case Match_InvalidSVEPredicateDReg: | |||
| 5618 | case Match_InvalidSVEPredicate3bAnyReg: | |||
| 5619 | case Match_InvalidSVEPredicate3bBReg: | |||
| 5620 | case Match_InvalidSVEPredicate3bHReg: | |||
| 5621 | case Match_InvalidSVEPredicate3bSReg: | |||
| 5622 | case Match_InvalidSVEPredicate3bDReg: | |||
| 5623 | case Match_InvalidSVEExactFPImmOperandHalfOne: | |||
| 5624 | case Match_InvalidSVEExactFPImmOperandHalfTwo: | |||
| 5625 | case Match_InvalidSVEExactFPImmOperandZeroOne: | |||
| 5626 | case Match_InvalidMatrixTile32: | |||
| 5627 | case Match_InvalidMatrixTile64: | |||
| 5628 | case Match_InvalidMatrix: | |||
| 5629 | case Match_InvalidMatrixTileVectorH8: | |||
| 5630 | case Match_InvalidMatrixTileVectorH16: | |||
| 5631 | case Match_InvalidMatrixTileVectorH32: | |||
| 5632 | case Match_InvalidMatrixTileVectorH64: | |||
| 5633 | case Match_InvalidMatrixTileVectorH128: | |||
| 5634 | case Match_InvalidMatrixTileVectorV8: | |||
| 5635 | case Match_InvalidMatrixTileVectorV16: | |||
| 5636 | case Match_InvalidMatrixTileVectorV32: | |||
| 5637 | case Match_InvalidMatrixTileVectorV64: | |||
| 5638 | case Match_InvalidMatrixTileVectorV128: | |||
| 5639 | case Match_InvalidSVCR: | |||
| 5640 | case Match_MSR: | |||
| 5641 | case Match_MRS: { | |||
| 5642 | if (ErrorInfo >= Operands.size()) | |||
| 5643 | return Error(IDLoc, "too few operands for instruction", SMRange(IDLoc, (*Operands.back()).getEndLoc())); | |||
| 5644 | // Any time we get here, there's nothing fancy to do. Just get the | |||
| 5645 | // operand SMLoc and display the diagnostic. | |||
| 5646 | SMLoc ErrorLoc = ((AArch64Operand &)*Operands[ErrorInfo]).getStartLoc(); | |||
| 5647 | if (ErrorLoc == SMLoc()) | |||
| 5648 | ErrorLoc = IDLoc; | |||
| 5649 | return showMatchError(ErrorLoc, MatchResult, ErrorInfo, Operands); | |||
| 5650 | } | |||
| 5651 | } | |||
| 5652 | ||||
| 5653 | llvm_unreachable("Implement any new match types added!")::llvm::llvm_unreachable_internal("Implement any new match types added!" , "/build/llvm-toolchain-snapshot-13~++20210722111111+b115c038d2d4/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp" , 5653); | |||
| 5654 | } | |||
| 5655 | ||||
| 5656 | /// ParseDirective parses the arm specific directives | |||
| 5657 | bool AArch64AsmParser::ParseDirective(AsmToken DirectiveID) { | |||
| 5658 | const MCContext::Environment Format = getContext().getObjectFileType(); | |||
| 5659 | bool IsMachO = Format == MCContext::IsMachO; | |||
| ||||
| 5660 | bool IsCOFF = Format == MCContext::IsCOFF; | |||
| 5661 | ||||
| 5662 | auto IDVal = DirectiveID.getIdentifier().lower(); | |||
| 5663 | SMLoc Loc = DirectiveID.getLoc(); | |||
| 5664 | if (IDVal == ".arch") | |||
| 5665 | parseDirectiveArch(Loc); | |||
| 5666 | else if (IDVal == ".cpu") | |||
| 5667 | parseDirectiveCPU(Loc); | |||
| 5668 | else if (IDVal == ".tlsdesccall") | |||
| 5669 | parseDirectiveTLSDescCall(Loc); | |||
| 5670 | else if (IDVal == ".ltorg" || IDVal == ".pool") | |||
| 5671 | parseDirectiveLtorg(Loc); | |||
| 5672 | else if (IDVal == ".unreq") | |||
| 5673 | parseDirectiveUnreq(Loc); | |||
| 5674 | else if (IDVal == ".inst") | |||
| 5675 | parseDirectiveInst(Loc); | |||
| 5676 | else if (IDVal == ".cfi_negate_ra_state") | |||
| 5677 | parseDirectiveCFINegateRAState(); | |||
| 5678 | else if (IDVal == ".cfi_b_key_frame") | |||
| 5679 | parseDirectiveCFIBKeyFrame(); | |||
| 5680 | else if (IDVal == ".arch_extension") | |||
| 5681 | parseDirectiveArchExtension(Loc); | |||
| 5682 | else if (IDVal == ".variant_pcs") | |||
| 5683 | parseDirectiveVariantPCS(Loc); | |||
| 5684 | else if (IsMachO
| |||
| 5685 | if (IDVal == MCLOHDirectiveName()) | |||
| 5686 | parseDirectiveLOH(IDVal, Loc); | |||
| 5687 | else | |||
| 5688 | return true; | |||
| 5689 | } else if (IsCOFF
| |||
| 5690 | if (IDVal == ".seh_stackalloc") | |||
| 5691 | parseDirectiveSEHAllocStack(Loc); | |||
| 5692 | else if (IDVal == ".seh_endprologue") | |||
| 5693 | parseDirectiveSEHPrologEnd(Loc); | |||
| 5694 | else if (IDVal == ".seh_save_r19r20_x") | |||
| 5695 | parseDirectiveSEHSaveR19R20X(Loc); | |||
| 5696 | else if (IDVal == ".seh_save_fplr") | |||
| 5697 | parseDirectiveSEHSaveFPLR(Loc); | |||
| 5698 | else if (IDVal == ".seh_save_fplr_x") | |||
| 5699 | parseDirectiveSEHSaveFPLRX(Loc); | |||
| 5700 | else if (IDVal == ".seh_save_reg") | |||
| 5701 | parseDirectiveSEHSaveReg(Loc); | |||
| 5702 | else if (IDVal == ".seh_save_reg_x") | |||
| 5703 | parseDirectiveSEHSaveRegX(Loc); | |||
| 5704 | else if (IDVal == ".seh_save_regp") | |||
| 5705 | parseDirectiveSEHSaveRegP(Loc); | |||
| 5706 | else if (IDVal == ".seh_save_regp_x") | |||
| 5707 | parseDirectiveSEHSaveRegPX(Loc); | |||
| 5708 | else if (IDVal == ".seh_save_lrpair") | |||
| 5709 | parseDirectiveSEHSaveLRPair(Loc); | |||
| 5710 | else if (IDVal == ".seh_save_freg") | |||
| 5711 | parseDirectiveSEHSaveFReg(Loc); | |||
| 5712 | else if (IDVal == ".seh_save_freg_x") | |||
| 5713 | parseDirectiveSEHSaveFRegX(Loc); | |||
| 5714 | else if (IDVal == ".seh_save_fregp") | |||
| 5715 | parseDirectiveSEHSaveFRegP(Loc); | |||
| 5716 | else if (IDVal == ".seh_save_fregp_x") | |||
| 5717 | parseDirectiveSEHSaveFRegPX(Loc); | |||
| 5718 | else if (IDVal == ".seh_set_fp") | |||
| 5719 | parseDirectiveSEHSetFP(Loc); | |||
| 5720 | else if (IDVal == ".seh_add_fp") | |||
| 5721 | parseDirectiveSEHAddFP(Loc); | |||
| 5722 | else if (IDVal == ".seh_nop") | |||
| 5723 | parseDirectiveSEHNop(Loc); | |||
| 5724 | else if (IDVal == ".seh_save_next") | |||
| 5725 | parseDirectiveSEHSaveNext(Loc); | |||
| 5726 | else if (IDVal == ".seh_startepilogue") | |||
| 5727 | parseDirectiveSEHEpilogStart(Loc); | |||
| 5728 | else if (IDVal == ".seh_endepilogue") | |||
| 5729 | parseDirectiveSEHEpilogEnd(Loc); | |||
| 5730 | else if (IDVal == ".seh_trap_frame") | |||
| 5731 | parseDirectiveSEHTrapFrame(Loc); | |||
| 5732 | else if (IDVal == ".seh_pushframe") | |||
| 5733 | parseDirectiveSEHMachineFrame(Loc); | |||
| 5734 | else if (IDVal == ".seh_context") | |||
| 5735 | parseDirectiveSEHContext(Loc); | |||
| 5736 | else if (IDVal == ".seh_clear_unwound_to_call") | |||
| 5737 | parseDirectiveSEHClearUnwoundToCall(Loc); | |||
| 5738 | else | |||
| 5739 | return true; | |||
| 5740 | } else | |||
| 5741 | return true; | |||
| 5742 | return false; | |||
| 5743 | } | |||
| 5744 | ||||
| 5745 | static void ExpandCryptoAEK(AArch64::ArchKind ArchKind, | |||
| 5746 | SmallVector<StringRef, 4> &RequestedExtensions) { | |||
| 5747 | const bool NoCrypto = llvm::is_contained(RequestedExtensions, "nocrypto"); | |||
| 5748 | const bool Crypto = llvm::is_contained(RequestedExtensions, "crypto"); | |||
| 5749 | ||||
| 5750 | if (!NoCrypto && Crypto) { | |||
| 5751 | switch (ArchKind) { | |||
| 5752 | default: | |||
| 5753 | // Map 'generic' (and others) to sha2 and aes, because | |||
| 5754 | // that was the traditional meaning of crypto. | |||
| 5755 | case AArch64::ArchKind::ARMV8_1A: | |||
| 5756 | case AArch64::ArchKind::ARMV8_2A: | |||
| 5757 | case AArch64::ArchKind::ARMV8_3A: | |||
| 5758 | RequestedExtensions.push_back("sha2"); | |||
| 5759 | RequestedExtensions.push_back("aes"); | |||
| 5760 | break; | |||
| 5761 | case AArch64::ArchKind::ARMV8_4A: | |||
| 5762 | case AArch64::ArchKind::ARMV8_5A: |