Bug Summary

File:lib/Target/X86/X86InstrInfo.cpp
Warning:line 5394, column 14
Value stored to 'CommutableOpIdx1' during its initialization is never read

Annotated Source Code

1//===-- X86InstrInfo.cpp - X86 Instruction Information --------------------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file contains the X86 implementation of the TargetInstrInfo class.
11//
12//===----------------------------------------------------------------------===//
13
14#include "X86InstrInfo.h"
15#include "X86.h"
16#include "X86InstrBuilder.h"
17#include "X86MachineFunctionInfo.h"
18#include "X86Subtarget.h"
19#include "X86TargetMachine.h"
20#include "llvm/ADT/STLExtras.h"
21#include "llvm/CodeGen/LivePhysRegs.h"
22#include "llvm/CodeGen/LiveVariables.h"
23#include "llvm/CodeGen/MachineConstantPool.h"
24#include "llvm/CodeGen/MachineDominators.h"
25#include "llvm/CodeGen/MachineFrameInfo.h"
26#include "llvm/CodeGen/MachineInstrBuilder.h"
27#include "llvm/CodeGen/MachineModuleInfo.h"
28#include "llvm/CodeGen/MachineRegisterInfo.h"
29#include "llvm/CodeGen/StackMaps.h"
30#include "llvm/IR/DerivedTypes.h"
31#include "llvm/IR/Function.h"
32#include "llvm/IR/LLVMContext.h"
33#include "llvm/MC/MCAsmInfo.h"
34#include "llvm/MC/MCExpr.h"
35#include "llvm/MC/MCInst.h"
36#include "llvm/Support/CommandLine.h"
37#include "llvm/Support/Debug.h"
38#include "llvm/Support/ErrorHandling.h"
39#include "llvm/Support/raw_ostream.h"
40#include "llvm/Target/TargetOptions.h"
41
42using namespace llvm;
43
44#define DEBUG_TYPE"x86-instr-info" "x86-instr-info"
45
46#define GET_INSTRINFO_CTOR_DTOR
47#include "X86GenInstrInfo.inc"
48
49static cl::opt<bool>
50NoFusing("disable-spill-fusing",
51 cl::desc("Disable fusing of spill code into instructions"));
52static cl::opt<bool>
53PrintFailedFusing("print-failed-fuse-candidates",
54 cl::desc("Print instructions that the allocator wants to"
55 " fuse, but the X86 backend currently can't"),
56 cl::Hidden);
57static cl::opt<bool>
58ReMatPICStubLoad("remat-pic-stub-load",
59 cl::desc("Re-materialize load from stub in PIC mode"),
60 cl::init(false), cl::Hidden);
61static cl::opt<unsigned>
62PartialRegUpdateClearance("partial-reg-update-clearance",
63 cl::desc("Clearance between two register writes "
64 "for inserting XOR to avoid partial "
65 "register update"),
66 cl::init(64), cl::Hidden);
67static cl::opt<unsigned>
68UndefRegClearance("undef-reg-clearance",
69 cl::desc("How many idle instructions we would like before "
70 "certain undef register reads"),
71 cl::init(128), cl::Hidden);
72
73enum {
74 // Select which memory operand is being unfolded.
75 // (stored in bits 0 - 3)
76 TB_INDEX_0 = 0,
77 TB_INDEX_1 = 1,
78 TB_INDEX_2 = 2,
79 TB_INDEX_3 = 3,
80 TB_INDEX_4 = 4,
81 TB_INDEX_MASK = 0xf,
82
83 // Do not insert the reverse map (MemOp -> RegOp) into the table.
84 // This may be needed because there is a many -> one mapping.
85 TB_NO_REVERSE = 1 << 4,
86
87 // Do not insert the forward map (RegOp -> MemOp) into the table.
88 // This is needed for Native Client, which prohibits branch
89 // instructions from using a memory operand.
90 TB_NO_FORWARD = 1 << 5,
91
92 TB_FOLDED_LOAD = 1 << 6,
93 TB_FOLDED_STORE = 1 << 7,
94
95 // Minimum alignment required for load/store.
96 // Used for RegOp->MemOp conversion.
97 // (stored in bits 8 - 15)
98 TB_ALIGN_SHIFT = 8,
99 TB_ALIGN_NONE = 0 << TB_ALIGN_SHIFT,
100 TB_ALIGN_16 = 16 << TB_ALIGN_SHIFT,
101 TB_ALIGN_32 = 32 << TB_ALIGN_SHIFT,
102 TB_ALIGN_64 = 64 << TB_ALIGN_SHIFT,
103 TB_ALIGN_MASK = 0xff << TB_ALIGN_SHIFT
104};
105
106struct X86MemoryFoldTableEntry {
107 uint16_t RegOp;
108 uint16_t MemOp;
109 uint16_t Flags;
110};
111
112// Pin the vtable to this file.
113void X86InstrInfo::anchor() {}
114
115X86InstrInfo::X86InstrInfo(X86Subtarget &STI)
116 : X86GenInstrInfo((STI.isTarget64BitLP64() ? X86::ADJCALLSTACKDOWN64
117 : X86::ADJCALLSTACKDOWN32),
118 (STI.isTarget64BitLP64() ? X86::ADJCALLSTACKUP64
119 : X86::ADJCALLSTACKUP32),
120 X86::CATCHRET,
121 (STI.is64Bit() ? X86::RETQ : X86::RETL)),
122 Subtarget(STI), RI(STI.getTargetTriple()) {
123
124 static const X86MemoryFoldTableEntry MemoryFoldTable2Addr[] = {
125 { X86::ADC32ri, X86::ADC32mi, 0 },
126 { X86::ADC32ri8, X86::ADC32mi8, 0 },
127 { X86::ADC32rr, X86::ADC32mr, 0 },
128 { X86::ADC64ri32, X86::ADC64mi32, 0 },
129 { X86::ADC64ri8, X86::ADC64mi8, 0 },
130 { X86::ADC64rr, X86::ADC64mr, 0 },
131 { X86::ADD16ri, X86::ADD16mi, 0 },
132 { X86::ADD16ri8, X86::ADD16mi8, 0 },
133 { X86::ADD16ri_DB, X86::ADD16mi, TB_NO_REVERSE },
134 { X86::ADD16ri8_DB, X86::ADD16mi8, TB_NO_REVERSE },
135 { X86::ADD16rr, X86::ADD16mr, 0 },
136 { X86::ADD16rr_DB, X86::ADD16mr, TB_NO_REVERSE },
137 { X86::ADD32ri, X86::ADD32mi, 0 },
138 { X86::ADD32ri8, X86::ADD32mi8, 0 },
139 { X86::ADD32ri_DB, X86::ADD32mi, TB_NO_REVERSE },
140 { X86::ADD32ri8_DB, X86::ADD32mi8, TB_NO_REVERSE },
141 { X86::ADD32rr, X86::ADD32mr, 0 },
142 { X86::ADD32rr_DB, X86::ADD32mr, TB_NO_REVERSE },
143 { X86::ADD64ri32, X86::ADD64mi32, 0 },
144 { X86::ADD64ri8, X86::ADD64mi8, 0 },
145 { X86::ADD64ri32_DB,X86::ADD64mi32, TB_NO_REVERSE },
146 { X86::ADD64ri8_DB, X86::ADD64mi8, TB_NO_REVERSE },
147 { X86::ADD64rr, X86::ADD64mr, 0 },
148 { X86::ADD64rr_DB, X86::ADD64mr, TB_NO_REVERSE },
149 { X86::ADD8ri, X86::ADD8mi, 0 },
150 { X86::ADD8rr, X86::ADD8mr, 0 },
151 { X86::AND16ri, X86::AND16mi, 0 },
152 { X86::AND16ri8, X86::AND16mi8, 0 },
153 { X86::AND16rr, X86::AND16mr, 0 },
154 { X86::AND32ri, X86::AND32mi, 0 },
155 { X86::AND32ri8, X86::AND32mi8, 0 },
156 { X86::AND32rr, X86::AND32mr, 0 },
157 { X86::AND64ri32, X86::AND64mi32, 0 },
158 { X86::AND64ri8, X86::AND64mi8, 0 },
159 { X86::AND64rr, X86::AND64mr, 0 },
160 { X86::AND8ri, X86::AND8mi, 0 },
161 { X86::AND8rr, X86::AND8mr, 0 },
162 { X86::DEC16r, X86::DEC16m, 0 },
163 { X86::DEC32r, X86::DEC32m, 0 },
164 { X86::DEC64r, X86::DEC64m, 0 },
165 { X86::DEC8r, X86::DEC8m, 0 },
166 { X86::INC16r, X86::INC16m, 0 },
167 { X86::INC32r, X86::INC32m, 0 },
168 { X86::INC64r, X86::INC64m, 0 },
169 { X86::INC8r, X86::INC8m, 0 },
170 { X86::NEG16r, X86::NEG16m, 0 },
171 { X86::NEG32r, X86::NEG32m, 0 },
172 { X86::NEG64r, X86::NEG64m, 0 },
173 { X86::NEG8r, X86::NEG8m, 0 },
174 { X86::NOT16r, X86::NOT16m, 0 },
175 { X86::NOT32r, X86::NOT32m, 0 },
176 { X86::NOT64r, X86::NOT64m, 0 },
177 { X86::NOT8r, X86::NOT8m, 0 },
178 { X86::OR16ri, X86::OR16mi, 0 },
179 { X86::OR16ri8, X86::OR16mi8, 0 },
180 { X86::OR16rr, X86::OR16mr, 0 },
181 { X86::OR32ri, X86::OR32mi, 0 },
182 { X86::OR32ri8, X86::OR32mi8, 0 },
183 { X86::OR32rr, X86::OR32mr, 0 },
184 { X86::OR64ri32, X86::OR64mi32, 0 },
185 { X86::OR64ri8, X86::OR64mi8, 0 },
186 { X86::OR64rr, X86::OR64mr, 0 },
187 { X86::OR8ri, X86::OR8mi, 0 },
188 { X86::OR8rr, X86::OR8mr, 0 },
189 { X86::ROL16r1, X86::ROL16m1, 0 },
190 { X86::ROL16rCL, X86::ROL16mCL, 0 },
191 { X86::ROL16ri, X86::ROL16mi, 0 },
192 { X86::ROL32r1, X86::ROL32m1, 0 },
193 { X86::ROL32rCL, X86::ROL32mCL, 0 },
194 { X86::ROL32ri, X86::ROL32mi, 0 },
195 { X86::ROL64r1, X86::ROL64m1, 0 },
196 { X86::ROL64rCL, X86::ROL64mCL, 0 },
197 { X86::ROL64ri, X86::ROL64mi, 0 },
198 { X86::ROL8r1, X86::ROL8m1, 0 },
199 { X86::ROL8rCL, X86::ROL8mCL, 0 },
200 { X86::ROL8ri, X86::ROL8mi, 0 },
201 { X86::ROR16r1, X86::ROR16m1, 0 },
202 { X86::ROR16rCL, X86::ROR16mCL, 0 },
203 { X86::ROR16ri, X86::ROR16mi, 0 },
204 { X86::ROR32r1, X86::ROR32m1, 0 },
205 { X86::ROR32rCL, X86::ROR32mCL, 0 },
206 { X86::ROR32ri, X86::ROR32mi, 0 },
207 { X86::ROR64r1, X86::ROR64m1, 0 },
208 { X86::ROR64rCL, X86::ROR64mCL, 0 },
209 { X86::ROR64ri, X86::ROR64mi, 0 },
210 { X86::ROR8r1, X86::ROR8m1, 0 },
211 { X86::ROR8rCL, X86::ROR8mCL, 0 },
212 { X86::ROR8ri, X86::ROR8mi, 0 },
213 { X86::SAR16r1, X86::SAR16m1, 0 },
214 { X86::SAR16rCL, X86::SAR16mCL, 0 },
215 { X86::SAR16ri, X86::SAR16mi, 0 },
216 { X86::SAR32r1, X86::SAR32m1, 0 },
217 { X86::SAR32rCL, X86::SAR32mCL, 0 },
218 { X86::SAR32ri, X86::SAR32mi, 0 },
219 { X86::SAR64r1, X86::SAR64m1, 0 },
220 { X86::SAR64rCL, X86::SAR64mCL, 0 },
221 { X86::SAR64ri, X86::SAR64mi, 0 },
222 { X86::SAR8r1, X86::SAR8m1, 0 },
223 { X86::SAR8rCL, X86::SAR8mCL, 0 },
224 { X86::SAR8ri, X86::SAR8mi, 0 },
225 { X86::SBB32ri, X86::SBB32mi, 0 },
226 { X86::SBB32ri8, X86::SBB32mi8, 0 },
227 { X86::SBB32rr, X86::SBB32mr, 0 },
228 { X86::SBB64ri32, X86::SBB64mi32, 0 },
229 { X86::SBB64ri8, X86::SBB64mi8, 0 },
230 { X86::SBB64rr, X86::SBB64mr, 0 },
231 { X86::SHL16r1, X86::SHL16m1, 0 },
232 { X86::SHL16rCL, X86::SHL16mCL, 0 },
233 { X86::SHL16ri, X86::SHL16mi, 0 },
234 { X86::SHL32r1, X86::SHL32m1, 0 },
235 { X86::SHL32rCL, X86::SHL32mCL, 0 },
236 { X86::SHL32ri, X86::SHL32mi, 0 },
237 { X86::SHL64r1, X86::SHL64m1, 0 },
238 { X86::SHL64rCL, X86::SHL64mCL, 0 },
239 { X86::SHL64ri, X86::SHL64mi, 0 },
240 { X86::SHL8r1, X86::SHL8m1, 0 },
241 { X86::SHL8rCL, X86::SHL8mCL, 0 },
242 { X86::SHL8ri, X86::SHL8mi, 0 },
243 { X86::SHLD16rrCL, X86::SHLD16mrCL, 0 },
244 { X86::SHLD16rri8, X86::SHLD16mri8, 0 },
245 { X86::SHLD32rrCL, X86::SHLD32mrCL, 0 },
246 { X86::SHLD32rri8, X86::SHLD32mri8, 0 },
247 { X86::SHLD64rrCL, X86::SHLD64mrCL, 0 },
248 { X86::SHLD64rri8, X86::SHLD64mri8, 0 },
249 { X86::SHR16r1, X86::SHR16m1, 0 },
250 { X86::SHR16rCL, X86::SHR16mCL, 0 },
251 { X86::SHR16ri, X86::SHR16mi, 0 },
252 { X86::SHR32r1, X86::SHR32m1, 0 },
253 { X86::SHR32rCL, X86::SHR32mCL, 0 },
254 { X86::SHR32ri, X86::SHR32mi, 0 },
255 { X86::SHR64r1, X86::SHR64m1, 0 },
256 { X86::SHR64rCL, X86::SHR64mCL, 0 },
257 { X86::SHR64ri, X86::SHR64mi, 0 },
258 { X86::SHR8r1, X86::SHR8m1, 0 },
259 { X86::SHR8rCL, X86::SHR8mCL, 0 },
260 { X86::SHR8ri, X86::SHR8mi, 0 },
261 { X86::SHRD16rrCL, X86::SHRD16mrCL, 0 },
262 { X86::SHRD16rri8, X86::SHRD16mri8, 0 },
263 { X86::SHRD32rrCL, X86::SHRD32mrCL, 0 },
264 { X86::SHRD32rri8, X86::SHRD32mri8, 0 },
265 { X86::SHRD64rrCL, X86::SHRD64mrCL, 0 },
266 { X86::SHRD64rri8, X86::SHRD64mri8, 0 },
267 { X86::SUB16ri, X86::SUB16mi, 0 },
268 { X86::SUB16ri8, X86::SUB16mi8, 0 },
269 { X86::SUB16rr, X86::SUB16mr, 0 },
270 { X86::SUB32ri, X86::SUB32mi, 0 },
271 { X86::SUB32ri8, X86::SUB32mi8, 0 },
272 { X86::SUB32rr, X86::SUB32mr, 0 },
273 { X86::SUB64ri32, X86::SUB64mi32, 0 },
274 { X86::SUB64ri8, X86::SUB64mi8, 0 },
275 { X86::SUB64rr, X86::SUB64mr, 0 },
276 { X86::SUB8ri, X86::SUB8mi, 0 },
277 { X86::SUB8rr, X86::SUB8mr, 0 },
278 { X86::XOR16ri, X86::XOR16mi, 0 },
279 { X86::XOR16ri8, X86::XOR16mi8, 0 },
280 { X86::XOR16rr, X86::XOR16mr, 0 },
281 { X86::XOR32ri, X86::XOR32mi, 0 },
282 { X86::XOR32ri8, X86::XOR32mi8, 0 },
283 { X86::XOR32rr, X86::XOR32mr, 0 },
284 { X86::XOR64ri32, X86::XOR64mi32, 0 },
285 { X86::XOR64ri8, X86::XOR64mi8, 0 },
286 { X86::XOR64rr, X86::XOR64mr, 0 },
287 { X86::XOR8ri, X86::XOR8mi, 0 },
288 { X86::XOR8rr, X86::XOR8mr, 0 }
289 };
290
291 for (X86MemoryFoldTableEntry Entry : MemoryFoldTable2Addr) {
292 AddTableEntry(RegOp2MemOpTable2Addr, MemOp2RegOpTable,
293 Entry.RegOp, Entry.MemOp,
294 // Index 0, folded load and store, no alignment requirement.
295 Entry.Flags | TB_INDEX_0 | TB_FOLDED_LOAD | TB_FOLDED_STORE);
296 }
297
298 static const X86MemoryFoldTableEntry MemoryFoldTable0[] = {
299 { X86::BT16ri8, X86::BT16mi8, TB_FOLDED_LOAD },
300 { X86::BT32ri8, X86::BT32mi8, TB_FOLDED_LOAD },
301 { X86::BT64ri8, X86::BT64mi8, TB_FOLDED_LOAD },
302 { X86::CALL32r, X86::CALL32m, TB_FOLDED_LOAD },
303 { X86::CALL64r, X86::CALL64m, TB_FOLDED_LOAD },
304 { X86::CMP16ri, X86::CMP16mi, TB_FOLDED_LOAD },
305 { X86::CMP16ri8, X86::CMP16mi8, TB_FOLDED_LOAD },
306 { X86::CMP16rr, X86::CMP16mr, TB_FOLDED_LOAD },
307 { X86::CMP32ri, X86::CMP32mi, TB_FOLDED_LOAD },
308 { X86::CMP32ri8, X86::CMP32mi8, TB_FOLDED_LOAD },
309 { X86::CMP32rr, X86::CMP32mr, TB_FOLDED_LOAD },
310 { X86::CMP64ri32, X86::CMP64mi32, TB_FOLDED_LOAD },
311 { X86::CMP64ri8, X86::CMP64mi8, TB_FOLDED_LOAD },
312 { X86::CMP64rr, X86::CMP64mr, TB_FOLDED_LOAD },
313 { X86::CMP8ri, X86::CMP8mi, TB_FOLDED_LOAD },
314 { X86::CMP8rr, X86::CMP8mr, TB_FOLDED_LOAD },
315 { X86::DIV16r, X86::DIV16m, TB_FOLDED_LOAD },
316 { X86::DIV32r, X86::DIV32m, TB_FOLDED_LOAD },
317 { X86::DIV64r, X86::DIV64m, TB_FOLDED_LOAD },
318 { X86::DIV8r, X86::DIV8m, TB_FOLDED_LOAD },
319 { X86::EXTRACTPSrr, X86::EXTRACTPSmr, TB_FOLDED_STORE },
320 { X86::IDIV16r, X86::IDIV16m, TB_FOLDED_LOAD },
321 { X86::IDIV32r, X86::IDIV32m, TB_FOLDED_LOAD },
322 { X86::IDIV64r, X86::IDIV64m, TB_FOLDED_LOAD },
323 { X86::IDIV8r, X86::IDIV8m, TB_FOLDED_LOAD },
324 { X86::IMUL16r, X86::IMUL16m, TB_FOLDED_LOAD },
325 { X86::IMUL32r, X86::IMUL32m, TB_FOLDED_LOAD },
326 { X86::IMUL64r, X86::IMUL64m, TB_FOLDED_LOAD },
327 { X86::IMUL8r, X86::IMUL8m, TB_FOLDED_LOAD },
328 { X86::JMP32r, X86::JMP32m, TB_FOLDED_LOAD },
329 { X86::JMP64r, X86::JMP64m, TB_FOLDED_LOAD },
330 { X86::MOV16ri, X86::MOV16mi, TB_FOLDED_STORE },
331 { X86::MOV16rr, X86::MOV16mr, TB_FOLDED_STORE },
332 { X86::MOV32ri, X86::MOV32mi, TB_FOLDED_STORE },
333 { X86::MOV32rr, X86::MOV32mr, TB_FOLDED_STORE },
334 { X86::MOV64ri32, X86::MOV64mi32, TB_FOLDED_STORE },
335 { X86::MOV64rr, X86::MOV64mr, TB_FOLDED_STORE },
336 { X86::MOV8ri, X86::MOV8mi, TB_FOLDED_STORE },
337 { X86::MOV8rr, X86::MOV8mr, TB_FOLDED_STORE },
338 { X86::MOV8rr_NOREX, X86::MOV8mr_NOREX, TB_FOLDED_STORE },
339 { X86::MOVAPDrr, X86::MOVAPDmr, TB_FOLDED_STORE | TB_ALIGN_16 },
340 { X86::MOVAPSrr, X86::MOVAPSmr, TB_FOLDED_STORE | TB_ALIGN_16 },
341 { X86::MOVDQArr, X86::MOVDQAmr, TB_FOLDED_STORE | TB_ALIGN_16 },
342 { X86::MOVDQUrr, X86::MOVDQUmr, TB_FOLDED_STORE },
343 { X86::MOVPDI2DIrr, X86::MOVPDI2DImr, TB_FOLDED_STORE },
344 { X86::MOVPQIto64rr,X86::MOVPQI2QImr, TB_FOLDED_STORE },
345 { X86::MOVSDto64rr, X86::MOVSDto64mr, TB_FOLDED_STORE },
346 { X86::MOVSS2DIrr, X86::MOVSS2DImr, TB_FOLDED_STORE },
347 { X86::MOVUPDrr, X86::MOVUPDmr, TB_FOLDED_STORE },
348 { X86::MOVUPSrr, X86::MOVUPSmr, TB_FOLDED_STORE },
349 { X86::MUL16r, X86::MUL16m, TB_FOLDED_LOAD },
350 { X86::MUL32r, X86::MUL32m, TB_FOLDED_LOAD },
351 { X86::MUL64r, X86::MUL64m, TB_FOLDED_LOAD },
352 { X86::MUL8r, X86::MUL8m, TB_FOLDED_LOAD },
353 { X86::PEXTRDrr, X86::PEXTRDmr, TB_FOLDED_STORE },
354 { X86::PEXTRQrr, X86::PEXTRQmr, TB_FOLDED_STORE },
355 { X86::PUSH16r, X86::PUSH16rmm, TB_FOLDED_LOAD },
356 { X86::PUSH32r, X86::PUSH32rmm, TB_FOLDED_LOAD },
357 { X86::PUSH64r, X86::PUSH64rmm, TB_FOLDED_LOAD },
358 { X86::SETAEr, X86::SETAEm, TB_FOLDED_STORE },
359 { X86::SETAr, X86::SETAm, TB_FOLDED_STORE },
360 { X86::SETBEr, X86::SETBEm, TB_FOLDED_STORE },
361 { X86::SETBr, X86::SETBm, TB_FOLDED_STORE },
362 { X86::SETEr, X86::SETEm, TB_FOLDED_STORE },
363 { X86::SETGEr, X86::SETGEm, TB_FOLDED_STORE },
364 { X86::SETGr, X86::SETGm, TB_FOLDED_STORE },
365 { X86::SETLEr, X86::SETLEm, TB_FOLDED_STORE },
366 { X86::SETLr, X86::SETLm, TB_FOLDED_STORE },
367 { X86::SETNEr, X86::SETNEm, TB_FOLDED_STORE },
368 { X86::SETNOr, X86::SETNOm, TB_FOLDED_STORE },
369 { X86::SETNPr, X86::SETNPm, TB_FOLDED_STORE },
370 { X86::SETNSr, X86::SETNSm, TB_FOLDED_STORE },
371 { X86::SETOr, X86::SETOm, TB_FOLDED_STORE },
372 { X86::SETPr, X86::SETPm, TB_FOLDED_STORE },
373 { X86::SETSr, X86::SETSm, TB_FOLDED_STORE },
374 { X86::TAILJMPr, X86::TAILJMPm, TB_FOLDED_LOAD },
375 { X86::TAILJMPr64, X86::TAILJMPm64, TB_FOLDED_LOAD },
376 { X86::TAILJMPr64_REX, X86::TAILJMPm64_REX, TB_FOLDED_LOAD },
377 { X86::TEST16ri, X86::TEST16mi, TB_FOLDED_LOAD },
378 { X86::TEST32ri, X86::TEST32mi, TB_FOLDED_LOAD },
379 { X86::TEST64ri32, X86::TEST64mi32, TB_FOLDED_LOAD },
380 { X86::TEST8ri, X86::TEST8mi, TB_FOLDED_LOAD },
381
382 // AVX 128-bit versions of foldable instructions
383 { X86::VEXTRACTPSrr,X86::VEXTRACTPSmr, TB_FOLDED_STORE },
384 { X86::VEXTRACTF128rr, X86::VEXTRACTF128mr, TB_FOLDED_STORE | TB_ALIGN_16 },
385 { X86::VMOVAPDrr, X86::VMOVAPDmr, TB_FOLDED_STORE | TB_ALIGN_16 },
386 { X86::VMOVAPSrr, X86::VMOVAPSmr, TB_FOLDED_STORE | TB_ALIGN_16 },
387 { X86::VMOVDQArr, X86::VMOVDQAmr, TB_FOLDED_STORE | TB_ALIGN_16 },
388 { X86::VMOVDQUrr, X86::VMOVDQUmr, TB_FOLDED_STORE },
389 { X86::VMOVPDI2DIrr,X86::VMOVPDI2DImr, TB_FOLDED_STORE },
390 { X86::VMOVPQIto64rr, X86::VMOVPQI2QImr,TB_FOLDED_STORE },
391 { X86::VMOVSDto64rr,X86::VMOVSDto64mr, TB_FOLDED_STORE },
392 { X86::VMOVSS2DIrr, X86::VMOVSS2DImr, TB_FOLDED_STORE },
393 { X86::VMOVUPDrr, X86::VMOVUPDmr, TB_FOLDED_STORE },
394 { X86::VMOVUPSrr, X86::VMOVUPSmr, TB_FOLDED_STORE },
395 { X86::VPEXTRDrr, X86::VPEXTRDmr, TB_FOLDED_STORE },
396 { X86::VPEXTRQrr, X86::VPEXTRQmr, TB_FOLDED_STORE },
397
398 // AVX 256-bit foldable instructions
399 { X86::VEXTRACTI128rr, X86::VEXTRACTI128mr, TB_FOLDED_STORE | TB_ALIGN_16 },
400 { X86::VMOVAPDYrr, X86::VMOVAPDYmr, TB_FOLDED_STORE | TB_ALIGN_32 },
401 { X86::VMOVAPSYrr, X86::VMOVAPSYmr, TB_FOLDED_STORE | TB_ALIGN_32 },
402 { X86::VMOVDQAYrr, X86::VMOVDQAYmr, TB_FOLDED_STORE | TB_ALIGN_32 },
403 { X86::VMOVDQUYrr, X86::VMOVDQUYmr, TB_FOLDED_STORE },
404 { X86::VMOVUPDYrr, X86::VMOVUPDYmr, TB_FOLDED_STORE },
405 { X86::VMOVUPSYrr, X86::VMOVUPSYmr, TB_FOLDED_STORE },
406
407 // AVX-512 foldable instructions
408 { X86::VEXTRACTF32x4Zrr,X86::VEXTRACTF32x4Zmr, TB_FOLDED_STORE },
409 { X86::VEXTRACTF32x8Zrr,X86::VEXTRACTF32x8Zmr, TB_FOLDED_STORE },
410 { X86::VEXTRACTF64x2Zrr,X86::VEXTRACTF64x2Zmr, TB_FOLDED_STORE },
411 { X86::VEXTRACTF64x4Zrr,X86::VEXTRACTF64x4Zmr, TB_FOLDED_STORE },
412 { X86::VEXTRACTI32x4Zrr,X86::VEXTRACTI32x4Zmr, TB_FOLDED_STORE },
413 { X86::VEXTRACTI32x8Zrr,X86::VEXTRACTI32x8Zmr, TB_FOLDED_STORE },
414 { X86::VEXTRACTI64x2Zrr,X86::VEXTRACTI64x2Zmr, TB_FOLDED_STORE },
415 { X86::VEXTRACTI64x4Zrr,X86::VEXTRACTI64x4Zmr, TB_FOLDED_STORE },
416 { X86::VEXTRACTPSZrr, X86::VEXTRACTPSZmr, TB_FOLDED_STORE },
417 { X86::VMOVAPDZrr, X86::VMOVAPDZmr, TB_FOLDED_STORE | TB_ALIGN_64 },
418 { X86::VMOVAPSZrr, X86::VMOVAPSZmr, TB_FOLDED_STORE | TB_ALIGN_64 },
419 { X86::VMOVDQA32Zrr, X86::VMOVDQA32Zmr, TB_FOLDED_STORE | TB_ALIGN_64 },
420 { X86::VMOVDQA64Zrr, X86::VMOVDQA64Zmr, TB_FOLDED_STORE | TB_ALIGN_64 },
421 { X86::VMOVDQU8Zrr, X86::VMOVDQU8Zmr, TB_FOLDED_STORE },
422 { X86::VMOVDQU16Zrr, X86::VMOVDQU16Zmr, TB_FOLDED_STORE },
423 { X86::VMOVDQU32Zrr, X86::VMOVDQU32Zmr, TB_FOLDED_STORE },
424 { X86::VMOVDQU64Zrr, X86::VMOVDQU64Zmr, TB_FOLDED_STORE },
425 { X86::VMOVPDI2DIZrr, X86::VMOVPDI2DIZmr, TB_FOLDED_STORE },
426 { X86::VMOVPQIto64Zrr, X86::VMOVPQI2QIZmr, TB_FOLDED_STORE },
427 { X86::VMOVSDto64Zrr, X86::VMOVSDto64Zmr, TB_FOLDED_STORE },
428 { X86::VMOVSS2DIZrr, X86::VMOVSS2DIZmr, TB_FOLDED_STORE },
429 { X86::VMOVUPDZrr, X86::VMOVUPDZmr, TB_FOLDED_STORE },
430 { X86::VMOVUPSZrr, X86::VMOVUPSZmr, TB_FOLDED_STORE },
431 { X86::VPEXTRDZrr, X86::VPEXTRDZmr, TB_FOLDED_STORE },
432 { X86::VPEXTRQZrr, X86::VPEXTRQZmr, TB_FOLDED_STORE },
433 { X86::VPMOVDBZrr, X86::VPMOVDBZmr, TB_FOLDED_STORE },
434 { X86::VPMOVDWZrr, X86::VPMOVDWZmr, TB_FOLDED_STORE },
435 { X86::VPMOVQDZrr, X86::VPMOVQDZmr, TB_FOLDED_STORE },
436 { X86::VPMOVQWZrr, X86::VPMOVQWZmr, TB_FOLDED_STORE },
437 { X86::VPMOVWBZrr, X86::VPMOVWBZmr, TB_FOLDED_STORE },
438 { X86::VPMOVSDBZrr, X86::VPMOVSDBZmr, TB_FOLDED_STORE },
439 { X86::VPMOVSDWZrr, X86::VPMOVSDWZmr, TB_FOLDED_STORE },
440 { X86::VPMOVSQDZrr, X86::VPMOVSQDZmr, TB_FOLDED_STORE },
441 { X86::VPMOVSQWZrr, X86::VPMOVSQWZmr, TB_FOLDED_STORE },
442 { X86::VPMOVSWBZrr, X86::VPMOVSWBZmr, TB_FOLDED_STORE },
443 { X86::VPMOVUSDBZrr, X86::VPMOVUSDBZmr, TB_FOLDED_STORE },
444 { X86::VPMOVUSDWZrr, X86::VPMOVUSDWZmr, TB_FOLDED_STORE },
445 { X86::VPMOVUSQDZrr, X86::VPMOVUSQDZmr, TB_FOLDED_STORE },
446 { X86::VPMOVUSQWZrr, X86::VPMOVUSQWZmr, TB_FOLDED_STORE },
447 { X86::VPMOVUSWBZrr, X86::VPMOVUSWBZmr, TB_FOLDED_STORE },
448
449 // AVX-512 foldable instructions (256-bit versions)
450 { X86::VEXTRACTF32x4Z256rr,X86::VEXTRACTF32x4Z256mr, TB_FOLDED_STORE },
451 { X86::VEXTRACTF64x2Z256rr,X86::VEXTRACTF64x2Z256mr, TB_FOLDED_STORE },
452 { X86::VEXTRACTI32x4Z256rr,X86::VEXTRACTI32x4Z256mr, TB_FOLDED_STORE },
453 { X86::VEXTRACTI64x2Z256rr,X86::VEXTRACTI64x2Z256mr, TB_FOLDED_STORE },
454 { X86::VMOVAPDZ256rr, X86::VMOVAPDZ256mr, TB_FOLDED_STORE | TB_ALIGN_32 },
455 { X86::VMOVAPSZ256rr, X86::VMOVAPSZ256mr, TB_FOLDED_STORE | TB_ALIGN_32 },
456 { X86::VMOVDQA32Z256rr, X86::VMOVDQA32Z256mr, TB_FOLDED_STORE | TB_ALIGN_32 },
457 { X86::VMOVDQA64Z256rr, X86::VMOVDQA64Z256mr, TB_FOLDED_STORE | TB_ALIGN_32 },
458 { X86::VMOVUPDZ256rr, X86::VMOVUPDZ256mr, TB_FOLDED_STORE },
459 { X86::VMOVUPSZ256rr, X86::VMOVUPSZ256mr, TB_FOLDED_STORE },
460 { X86::VMOVDQU8Z256rr, X86::VMOVDQU8Z256mr, TB_FOLDED_STORE },
461 { X86::VMOVDQU16Z256rr, X86::VMOVDQU16Z256mr, TB_FOLDED_STORE },
462 { X86::VMOVDQU32Z256rr, X86::VMOVDQU32Z256mr, TB_FOLDED_STORE },
463 { X86::VMOVDQU64Z256rr, X86::VMOVDQU64Z256mr, TB_FOLDED_STORE },
464 { X86::VPMOVDWZ256rr, X86::VPMOVDWZ256mr, TB_FOLDED_STORE },
465 { X86::VPMOVQDZ256rr, X86::VPMOVQDZ256mr, TB_FOLDED_STORE },
466 { X86::VPMOVWBZ256rr, X86::VPMOVWBZ256mr, TB_FOLDED_STORE },
467 { X86::VPMOVSDWZ256rr, X86::VPMOVSDWZ256mr, TB_FOLDED_STORE },
468 { X86::VPMOVSQDZ256rr, X86::VPMOVSQDZ256mr, TB_FOLDED_STORE },
469 { X86::VPMOVSWBZ256rr, X86::VPMOVSWBZ256mr, TB_FOLDED_STORE },
470 { X86::VPMOVUSDWZ256rr, X86::VPMOVUSDWZ256mr, TB_FOLDED_STORE },
471 { X86::VPMOVUSQDZ256rr, X86::VPMOVUSQDZ256mr, TB_FOLDED_STORE },
472 { X86::VPMOVUSWBZ256rr, X86::VPMOVUSWBZ256mr, TB_FOLDED_STORE },
473
474 // AVX-512 foldable instructions (128-bit versions)
475 { X86::VMOVAPDZ128rr, X86::VMOVAPDZ128mr, TB_FOLDED_STORE | TB_ALIGN_16 },
476 { X86::VMOVAPSZ128rr, X86::VMOVAPSZ128mr, TB_FOLDED_STORE | TB_ALIGN_16 },
477 { X86::VMOVDQA32Z128rr, X86::VMOVDQA32Z128mr, TB_FOLDED_STORE | TB_ALIGN_16 },
478 { X86::VMOVDQA64Z128rr, X86::VMOVDQA64Z128mr, TB_FOLDED_STORE | TB_ALIGN_16 },
479 { X86::VMOVUPDZ128rr, X86::VMOVUPDZ128mr, TB_FOLDED_STORE },
480 { X86::VMOVUPSZ128rr, X86::VMOVUPSZ128mr, TB_FOLDED_STORE },
481 { X86::VMOVDQU8Z128rr, X86::VMOVDQU8Z128mr, TB_FOLDED_STORE },
482 { X86::VMOVDQU16Z128rr, X86::VMOVDQU16Z128mr, TB_FOLDED_STORE },
483 { X86::VMOVDQU32Z128rr, X86::VMOVDQU32Z128mr, TB_FOLDED_STORE },
484 { X86::VMOVDQU64Z128rr, X86::VMOVDQU64Z128mr, TB_FOLDED_STORE },
485
486 // F16C foldable instructions
487 { X86::VCVTPS2PHrr, X86::VCVTPS2PHmr, TB_FOLDED_STORE },
488 { X86::VCVTPS2PHYrr, X86::VCVTPS2PHYmr, TB_FOLDED_STORE }
489 };
490
491 for (X86MemoryFoldTableEntry Entry : MemoryFoldTable0) {
492 AddTableEntry(RegOp2MemOpTable0, MemOp2RegOpTable,
493 Entry.RegOp, Entry.MemOp, TB_INDEX_0 | Entry.Flags);
494 }
495
496 static const X86MemoryFoldTableEntry MemoryFoldTable1[] = {
497 { X86::BSF16rr, X86::BSF16rm, 0 },
498 { X86::BSF32rr, X86::BSF32rm, 0 },
499 { X86::BSF64rr, X86::BSF64rm, 0 },
500 { X86::BSR16rr, X86::BSR16rm, 0 },
501 { X86::BSR32rr, X86::BSR32rm, 0 },
502 { X86::BSR64rr, X86::BSR64rm, 0 },
503 { X86::CMP16rr, X86::CMP16rm, 0 },
504 { X86::CMP32rr, X86::CMP32rm, 0 },
505 { X86::CMP64rr, X86::CMP64rm, 0 },
506 { X86::CMP8rr, X86::CMP8rm, 0 },
507 { X86::CVTSD2SSrr, X86::CVTSD2SSrm, 0 },
508 { X86::CVTSI2SD64rr, X86::CVTSI2SD64rm, 0 },
509 { X86::CVTSI2SDrr, X86::CVTSI2SDrm, 0 },
510 { X86::CVTSI2SS64rr, X86::CVTSI2SS64rm, 0 },
511 { X86::CVTSI2SSrr, X86::CVTSI2SSrm, 0 },
512 { X86::CVTSS2SDrr, X86::CVTSS2SDrm, 0 },
513 { X86::CVTTSD2SI64rr, X86::CVTTSD2SI64rm, 0 },
514 { X86::CVTTSD2SIrr, X86::CVTTSD2SIrm, 0 },
515 { X86::CVTTSS2SI64rr, X86::CVTTSS2SI64rm, 0 },
516 { X86::CVTTSS2SIrr, X86::CVTTSS2SIrm, 0 },
517 { X86::IMUL16rri, X86::IMUL16rmi, 0 },
518 { X86::IMUL16rri8, X86::IMUL16rmi8, 0 },
519 { X86::IMUL32rri, X86::IMUL32rmi, 0 },
520 { X86::IMUL32rri8, X86::IMUL32rmi8, 0 },
521 { X86::IMUL64rri32, X86::IMUL64rmi32, 0 },
522 { X86::IMUL64rri8, X86::IMUL64rmi8, 0 },
523 { X86::Int_COMISDrr, X86::Int_COMISDrm, TB_NO_REVERSE },
524 { X86::Int_COMISSrr, X86::Int_COMISSrm, TB_NO_REVERSE },
525 { X86::CVTSD2SI64rr, X86::CVTSD2SI64rm, TB_NO_REVERSE },
526 { X86::CVTSD2SIrr, X86::CVTSD2SIrm, TB_NO_REVERSE },
527 { X86::CVTSS2SI64rr, X86::CVTSS2SI64rm, TB_NO_REVERSE },
528 { X86::CVTSS2SIrr, X86::CVTSS2SIrm, TB_NO_REVERSE },
529 { X86::CVTDQ2PDrr, X86::CVTDQ2PDrm, TB_NO_REVERSE },
530 { X86::CVTDQ2PSrr, X86::CVTDQ2PSrm, TB_ALIGN_16 },
531 { X86::CVTPD2DQrr, X86::CVTPD2DQrm, TB_ALIGN_16 },
532 { X86::CVTPD2PSrr, X86::CVTPD2PSrm, TB_ALIGN_16 },
533 { X86::CVTPS2DQrr, X86::CVTPS2DQrm, TB_ALIGN_16 },
534 { X86::CVTPS2PDrr, X86::CVTPS2PDrm, TB_NO_REVERSE },
535 { X86::CVTTPD2DQrr, X86::CVTTPD2DQrm, TB_ALIGN_16 },
536 { X86::CVTTPS2DQrr, X86::CVTTPS2DQrm, TB_ALIGN_16 },
537 { X86::Int_CVTTSD2SI64rr,X86::Int_CVTTSD2SI64rm, TB_NO_REVERSE },
538 { X86::Int_CVTTSD2SIrr, X86::Int_CVTTSD2SIrm, TB_NO_REVERSE },
539 { X86::Int_CVTTSS2SI64rr,X86::Int_CVTTSS2SI64rm, TB_NO_REVERSE },
540 { X86::Int_CVTTSS2SIrr, X86::Int_CVTTSS2SIrm, TB_NO_REVERSE },
541 { X86::Int_UCOMISDrr, X86::Int_UCOMISDrm, TB_NO_REVERSE },
542 { X86::Int_UCOMISSrr, X86::Int_UCOMISSrm, TB_NO_REVERSE },
543 { X86::MOV16rr, X86::MOV16rm, 0 },
544 { X86::MOV32rr, X86::MOV32rm, 0 },
545 { X86::MOV64rr, X86::MOV64rm, 0 },
546 { X86::MOV64toPQIrr, X86::MOVQI2PQIrm, 0 },
547 { X86::MOV64toSDrr, X86::MOV64toSDrm, 0 },
548 { X86::MOV8rr, X86::MOV8rm, 0 },
549 { X86::MOVAPDrr, X86::MOVAPDrm, TB_ALIGN_16 },
550 { X86::MOVAPSrr, X86::MOVAPSrm, TB_ALIGN_16 },
551 { X86::MOVDDUPrr, X86::MOVDDUPrm, TB_NO_REVERSE },
552 { X86::MOVDI2PDIrr, X86::MOVDI2PDIrm, 0 },
553 { X86::MOVDI2SSrr, X86::MOVDI2SSrm, 0 },
554 { X86::MOVDQArr, X86::MOVDQArm, TB_ALIGN_16 },
555 { X86::MOVDQUrr, X86::MOVDQUrm, 0 },
556 { X86::MOVSHDUPrr, X86::MOVSHDUPrm, TB_ALIGN_16 },
557 { X86::MOVSLDUPrr, X86::MOVSLDUPrm, TB_ALIGN_16 },
558 { X86::MOVSX16rr8, X86::MOVSX16rm8, 0 },
559 { X86::MOVSX32rr16, X86::MOVSX32rm16, 0 },
560 { X86::MOVSX32rr8, X86::MOVSX32rm8, 0 },
561 { X86::MOVSX64rr16, X86::MOVSX64rm16, 0 },
562 { X86::MOVSX64rr32, X86::MOVSX64rm32, 0 },
563 { X86::MOVSX64rr8, X86::MOVSX64rm8, 0 },
564 { X86::MOVUPDrr, X86::MOVUPDrm, 0 },
565 { X86::MOVUPSrr, X86::MOVUPSrm, 0 },
566 { X86::MOVZPQILo2PQIrr, X86::MOVQI2PQIrm, TB_NO_REVERSE },
567 { X86::MOVZX16rr8, X86::MOVZX16rm8, 0 },
568 { X86::MOVZX32rr16, X86::MOVZX32rm16, 0 },
569 { X86::MOVZX32_NOREXrr8, X86::MOVZX32_NOREXrm8, 0 },
570 { X86::MOVZX32rr8, X86::MOVZX32rm8, 0 },
571 { X86::PABSBrr, X86::PABSBrm, TB_ALIGN_16 },
572 { X86::PABSDrr, X86::PABSDrm, TB_ALIGN_16 },
573 { X86::PABSWrr, X86::PABSWrm, TB_ALIGN_16 },
574 { X86::PCMPESTRIrr, X86::PCMPESTRIrm, TB_ALIGN_16 },
575 { X86::PCMPESTRM128rr, X86::PCMPESTRM128rm, TB_ALIGN_16 },
576 { X86::PCMPISTRIrr, X86::PCMPISTRIrm, TB_ALIGN_16 },
577 { X86::PCMPISTRM128rr, X86::PCMPISTRM128rm, TB_ALIGN_16 },
578 { X86::PHMINPOSUWrr128, X86::PHMINPOSUWrm128, TB_ALIGN_16 },
579 { X86::PMOVSXBDrr, X86::PMOVSXBDrm, TB_NO_REVERSE },
580 { X86::PMOVSXBQrr, X86::PMOVSXBQrm, TB_NO_REVERSE },
581 { X86::PMOVSXBWrr, X86::PMOVSXBWrm, TB_NO_REVERSE },
582 { X86::PMOVSXDQrr, X86::PMOVSXDQrm, TB_NO_REVERSE },
583 { X86::PMOVSXWDrr, X86::PMOVSXWDrm, TB_NO_REVERSE },
584 { X86::PMOVSXWQrr, X86::PMOVSXWQrm, TB_NO_REVERSE },
585 { X86::PMOVZXBDrr, X86::PMOVZXBDrm, TB_NO_REVERSE },
586 { X86::PMOVZXBQrr, X86::PMOVZXBQrm, TB_NO_REVERSE },
587 { X86::PMOVZXBWrr, X86::PMOVZXBWrm, TB_NO_REVERSE },
588 { X86::PMOVZXDQrr, X86::PMOVZXDQrm, TB_NO_REVERSE },
589 { X86::PMOVZXWDrr, X86::PMOVZXWDrm, TB_NO_REVERSE },
590 { X86::PMOVZXWQrr, X86::PMOVZXWQrm, TB_NO_REVERSE },
591 { X86::PSHUFDri, X86::PSHUFDmi, TB_ALIGN_16 },
592 { X86::PSHUFHWri, X86::PSHUFHWmi, TB_ALIGN_16 },
593 { X86::PSHUFLWri, X86::PSHUFLWmi, TB_ALIGN_16 },
594 { X86::PTESTrr, X86::PTESTrm, TB_ALIGN_16 },
595 { X86::RCPPSr, X86::RCPPSm, TB_ALIGN_16 },
596 { X86::RCPSSr, X86::RCPSSm, 0 },
597 { X86::RCPSSr_Int, X86::RCPSSm_Int, TB_NO_REVERSE },
598 { X86::ROUNDPDr, X86::ROUNDPDm, TB_ALIGN_16 },
599 { X86::ROUNDPSr, X86::ROUNDPSm, TB_ALIGN_16 },
600 { X86::ROUNDSDr, X86::ROUNDSDm, 0 },
601 { X86::ROUNDSSr, X86::ROUNDSSm, 0 },
602 { X86::RSQRTPSr, X86::RSQRTPSm, TB_ALIGN_16 },
603 { X86::RSQRTSSr, X86::RSQRTSSm, 0 },
604 { X86::RSQRTSSr_Int, X86::RSQRTSSm_Int, TB_NO_REVERSE },
605 { X86::SQRTPDr, X86::SQRTPDm, TB_ALIGN_16 },
606 { X86::SQRTPSr, X86::SQRTPSm, TB_ALIGN_16 },
607 { X86::SQRTSDr, X86::SQRTSDm, 0 },
608 { X86::SQRTSDr_Int, X86::SQRTSDm_Int, TB_NO_REVERSE },
609 { X86::SQRTSSr, X86::SQRTSSm, 0 },
610 { X86::SQRTSSr_Int, X86::SQRTSSm_Int, TB_NO_REVERSE },
611 { X86::TEST16rr, X86::TEST16rm, 0 },
612 { X86::TEST32rr, X86::TEST32rm, 0 },
613 { X86::TEST64rr, X86::TEST64rm, 0 },
614 { X86::TEST8rr, X86::TEST8rm, 0 },
615 // FIXME: TEST*rr EAX,EAX ---> CMP [mem], 0
616 { X86::UCOMISDrr, X86::UCOMISDrm, 0 },
617 { X86::UCOMISSrr, X86::UCOMISSrm, 0 },
618
619 // MMX version of foldable instructions
620 { X86::MMX_CVTPD2PIirr, X86::MMX_CVTPD2PIirm, 0 },
621 { X86::MMX_CVTPI2PDirr, X86::MMX_CVTPI2PDirm, 0 },
622 { X86::MMX_CVTPS2PIirr, X86::MMX_CVTPS2PIirm, 0 },
623 { X86::MMX_CVTTPD2PIirr, X86::MMX_CVTTPD2PIirm, 0 },
624 { X86::MMX_CVTTPS2PIirr, X86::MMX_CVTTPS2PIirm, 0 },
625 { X86::MMX_MOVD64to64rr, X86::MMX_MOVQ64rm, 0 },
626 { X86::MMX_PABSBrr64, X86::MMX_PABSBrm64, 0 },
627 { X86::MMX_PABSDrr64, X86::MMX_PABSDrm64, 0 },
628 { X86::MMX_PABSWrr64, X86::MMX_PABSWrm64, 0 },
629 { X86::MMX_PSHUFWri, X86::MMX_PSHUFWmi, 0 },
630
631 // 3DNow! version of foldable instructions
632 { X86::PF2IDrr, X86::PF2IDrm, 0 },
633 { X86::PF2IWrr, X86::PF2IWrm, 0 },
634 { X86::PFRCPrr, X86::PFRCPrm, 0 },
635 { X86::PFRSQRTrr, X86::PFRSQRTrm, 0 },
636 { X86::PI2FDrr, X86::PI2FDrm, 0 },
637 { X86::PI2FWrr, X86::PI2FWrm, 0 },
638 { X86::PSWAPDrr, X86::PSWAPDrm, 0 },
639
640 // AVX 128-bit versions of foldable instructions
641 { X86::Int_VCOMISDrr, X86::Int_VCOMISDrm, TB_NO_REVERSE },
642 { X86::Int_VCOMISSrr, X86::Int_VCOMISSrm, TB_NO_REVERSE },
643 { X86::Int_VUCOMISDrr, X86::Int_VUCOMISDrm, TB_NO_REVERSE },
644 { X86::Int_VUCOMISSrr, X86::Int_VUCOMISSrm, TB_NO_REVERSE },
645 { X86::VCVTTSD2SI64rr, X86::VCVTTSD2SI64rm, 0 },
646 { X86::Int_VCVTTSD2SI64rr,X86::Int_VCVTTSD2SI64rm,TB_NO_REVERSE },
647 { X86::VCVTTSD2SIrr, X86::VCVTTSD2SIrm, 0 },
648 { X86::Int_VCVTTSD2SIrr,X86::Int_VCVTTSD2SIrm, TB_NO_REVERSE },
649 { X86::VCVTTSS2SI64rr, X86::VCVTTSS2SI64rm, 0 },
650 { X86::Int_VCVTTSS2SI64rr,X86::Int_VCVTTSS2SI64rm,TB_NO_REVERSE },
651 { X86::VCVTTSS2SIrr, X86::VCVTTSS2SIrm, 0 },
652 { X86::Int_VCVTTSS2SIrr,X86::Int_VCVTTSS2SIrm, TB_NO_REVERSE },
653 { X86::VCVTSD2SI64rr, X86::VCVTSD2SI64rm, TB_NO_REVERSE },
654 { X86::VCVTSD2SIrr, X86::VCVTSD2SIrm, TB_NO_REVERSE },
655 { X86::VCVTSS2SI64rr, X86::VCVTSS2SI64rm, TB_NO_REVERSE },
656 { X86::VCVTSS2SIrr, X86::VCVTSS2SIrm, TB_NO_REVERSE },
657 { X86::VCVTDQ2PDrr, X86::VCVTDQ2PDrm, TB_NO_REVERSE },
658 { X86::VCVTDQ2PSrr, X86::VCVTDQ2PSrm, 0 },
659 { X86::VCVTPD2DQrr, X86::VCVTPD2DQrm, 0 },
660 { X86::VCVTPD2PSrr, X86::VCVTPD2PSrm, 0 },
661 { X86::VCVTPS2DQrr, X86::VCVTPS2DQrm, 0 },
662 { X86::VCVTPS2PDrr, X86::VCVTPS2PDrm, TB_NO_REVERSE },
663 { X86::VCVTTPD2DQrr, X86::VCVTTPD2DQrm, 0 },
664 { X86::VCVTTPS2DQrr, X86::VCVTTPS2DQrm, 0 },
665 { X86::VMOV64toPQIrr, X86::VMOVQI2PQIrm, 0 },
666 { X86::VMOV64toSDrr, X86::VMOV64toSDrm, 0 },
667 { X86::VMOVAPDrr, X86::VMOVAPDrm, TB_ALIGN_16 },
668 { X86::VMOVAPSrr, X86::VMOVAPSrm, TB_ALIGN_16 },
669 { X86::VMOVDDUPrr, X86::VMOVDDUPrm, TB_NO_REVERSE },
670 { X86::VMOVDI2PDIrr, X86::VMOVDI2PDIrm, 0 },
671 { X86::VMOVDI2SSrr, X86::VMOVDI2SSrm, 0 },
672 { X86::VMOVDQArr, X86::VMOVDQArm, TB_ALIGN_16 },
673 { X86::VMOVDQUrr, X86::VMOVDQUrm, 0 },
674 { X86::VMOVSLDUPrr, X86::VMOVSLDUPrm, 0 },
675 { X86::VMOVSHDUPrr, X86::VMOVSHDUPrm, 0 },
676 { X86::VMOVUPDrr, X86::VMOVUPDrm, 0 },
677 { X86::VMOVUPSrr, X86::VMOVUPSrm, 0 },
678 { X86::VMOVZPQILo2PQIrr,X86::VMOVQI2PQIrm, TB_NO_REVERSE },
679 { X86::VPABSBrr, X86::VPABSBrm, 0 },
680 { X86::VPABSDrr, X86::VPABSDrm, 0 },
681 { X86::VPABSWrr, X86::VPABSWrm, 0 },
682 { X86::VPCMPESTRIrr, X86::VPCMPESTRIrm, 0 },
683 { X86::VPCMPESTRM128rr, X86::VPCMPESTRM128rm, 0 },
684 { X86::VPCMPISTRIrr, X86::VPCMPISTRIrm, 0 },
685 { X86::VPCMPISTRM128rr, X86::VPCMPISTRM128rm, 0 },
686 { X86::VPHMINPOSUWrr128, X86::VPHMINPOSUWrm128, 0 },
687 { X86::VPERMILPDri, X86::VPERMILPDmi, 0 },
688 { X86::VPERMILPSri, X86::VPERMILPSmi, 0 },
689 { X86::VPMOVSXBDrr, X86::VPMOVSXBDrm, TB_NO_REVERSE },
690 { X86::VPMOVSXBQrr, X86::VPMOVSXBQrm, TB_NO_REVERSE },
691 { X86::VPMOVSXBWrr, X86::VPMOVSXBWrm, TB_NO_REVERSE },
692 { X86::VPMOVSXDQrr, X86::VPMOVSXDQrm, TB_NO_REVERSE },
693 { X86::VPMOVSXWDrr, X86::VPMOVSXWDrm, TB_NO_REVERSE },
694 { X86::VPMOVSXWQrr, X86::VPMOVSXWQrm, TB_NO_REVERSE },
695 { X86::VPMOVZXBDrr, X86::VPMOVZXBDrm, TB_NO_REVERSE },
696 { X86::VPMOVZXBQrr, X86::VPMOVZXBQrm, TB_NO_REVERSE },
697 { X86::VPMOVZXBWrr, X86::VPMOVZXBWrm, TB_NO_REVERSE },
698 { X86::VPMOVZXDQrr, X86::VPMOVZXDQrm, TB_NO_REVERSE },
699 { X86::VPMOVZXWDrr, X86::VPMOVZXWDrm, TB_NO_REVERSE },
700 { X86::VPMOVZXWQrr, X86::VPMOVZXWQrm, TB_NO_REVERSE },
701 { X86::VPSHUFDri, X86::VPSHUFDmi, 0 },
702 { X86::VPSHUFHWri, X86::VPSHUFHWmi, 0 },
703 { X86::VPSHUFLWri, X86::VPSHUFLWmi, 0 },
704 { X86::VPTESTrr, X86::VPTESTrm, 0 },
705 { X86::VRCPPSr, X86::VRCPPSm, 0 },
706 { X86::VROUNDPDr, X86::VROUNDPDm, 0 },
707 { X86::VROUNDPSr, X86::VROUNDPSm, 0 },
708 { X86::VRSQRTPSr, X86::VRSQRTPSm, 0 },
709 { X86::VSQRTPDr, X86::VSQRTPDm, 0 },
710 { X86::VSQRTPSr, X86::VSQRTPSm, 0 },
711 { X86::VTESTPDrr, X86::VTESTPDrm, 0 },
712 { X86::VTESTPSrr, X86::VTESTPSrm, 0 },
713 { X86::VUCOMISDrr, X86::VUCOMISDrm, 0 },
714 { X86::VUCOMISSrr, X86::VUCOMISSrm, 0 },
715
716 // AVX 256-bit foldable instructions
717 { X86::VCVTDQ2PDYrr, X86::VCVTDQ2PDYrm, TB_NO_REVERSE },
718 { X86::VCVTDQ2PSYrr, X86::VCVTDQ2PSYrm, 0 },
719 { X86::VCVTPD2DQYrr, X86::VCVTPD2DQYrm, 0 },
720 { X86::VCVTPD2PSYrr, X86::VCVTPD2PSYrm, 0 },
721 { X86::VCVTPS2DQYrr, X86::VCVTPS2DQYrm, 0 },
722 { X86::VCVTPS2PDYrr, X86::VCVTPS2PDYrm, TB_NO_REVERSE },
723 { X86::VCVTTPD2DQYrr, X86::VCVTTPD2DQYrm, 0 },
724 { X86::VCVTTPS2DQYrr, X86::VCVTTPS2DQYrm, 0 },
725 { X86::VMOVAPDYrr, X86::VMOVAPDYrm, TB_ALIGN_32 },
726 { X86::VMOVAPSYrr, X86::VMOVAPSYrm, TB_ALIGN_32 },
727 { X86::VMOVDDUPYrr, X86::VMOVDDUPYrm, 0 },
728 { X86::VMOVDQAYrr, X86::VMOVDQAYrm, TB_ALIGN_32 },
729 { X86::VMOVDQUYrr, X86::VMOVDQUYrm, 0 },
730 { X86::VMOVSLDUPYrr, X86::VMOVSLDUPYrm, 0 },
731 { X86::VMOVSHDUPYrr, X86::VMOVSHDUPYrm, 0 },
732 { X86::VMOVUPDYrr, X86::VMOVUPDYrm, 0 },
733 { X86::VMOVUPSYrr, X86::VMOVUPSYrm, 0 },
734 { X86::VPERMILPDYri, X86::VPERMILPDYmi, 0 },
735 { X86::VPERMILPSYri, X86::VPERMILPSYmi, 0 },
736 { X86::VPTESTYrr, X86::VPTESTYrm, 0 },
737 { X86::VRCPPSYr, X86::VRCPPSYm, 0 },
738 { X86::VROUNDYPDr, X86::VROUNDYPDm, 0 },
739 { X86::VROUNDYPSr, X86::VROUNDYPSm, 0 },
740 { X86::VRSQRTPSYr, X86::VRSQRTPSYm, 0 },
741 { X86::VSQRTPDYr, X86::VSQRTPDYm, 0 },
742 { X86::VSQRTPSYr, X86::VSQRTPSYm, 0 },
743 { X86::VTESTPDYrr, X86::VTESTPDYrm, 0 },
744 { X86::VTESTPSYrr, X86::VTESTPSYrm, 0 },
745
746 // AVX2 foldable instructions
747
748 // VBROADCASTS{SD}rr register instructions were an AVX2 addition while the
749 // VBROADCASTS{SD}rm memory instructions were available from AVX1.
750 // TB_NO_REVERSE prevents unfolding from introducing an illegal instruction
751 // on AVX1 targets. The VPBROADCAST instructions are all AVX2 instructions
752 // so they don't need an equivalent limitation.
753 { X86::VBROADCASTSSrr, X86::VBROADCASTSSrm, TB_NO_REVERSE },
754 { X86::VBROADCASTSSYrr, X86::VBROADCASTSSYrm, TB_NO_REVERSE },
755 { X86::VBROADCASTSDYrr, X86::VBROADCASTSDYrm, TB_NO_REVERSE },
756 { X86::VPABSBYrr, X86::VPABSBYrm, 0 },
757 { X86::VPABSDYrr, X86::VPABSDYrm, 0 },
758 { X86::VPABSWYrr, X86::VPABSWYrm, 0 },
759 { X86::VPBROADCASTBrr, X86::VPBROADCASTBrm, TB_NO_REVERSE },
760 { X86::VPBROADCASTBYrr, X86::VPBROADCASTBYrm, TB_NO_REVERSE },
761 { X86::VPBROADCASTDrr, X86::VPBROADCASTDrm, TB_NO_REVERSE },
762 { X86::VPBROADCASTDYrr, X86::VPBROADCASTDYrm, TB_NO_REVERSE },
763 { X86::VPBROADCASTQrr, X86::VPBROADCASTQrm, TB_NO_REVERSE },
764 { X86::VPBROADCASTQYrr, X86::VPBROADCASTQYrm, TB_NO_REVERSE },
765 { X86::VPBROADCASTWrr, X86::VPBROADCASTWrm, TB_NO_REVERSE },
766 { X86::VPBROADCASTWYrr, X86::VPBROADCASTWYrm, TB_NO_REVERSE },
767 { X86::VPERMPDYri, X86::VPERMPDYmi, 0 },
768 { X86::VPERMQYri, X86::VPERMQYmi, 0 },
769 { X86::VPMOVSXBDYrr, X86::VPMOVSXBDYrm, TB_NO_REVERSE },
770 { X86::VPMOVSXBQYrr, X86::VPMOVSXBQYrm, TB_NO_REVERSE },
771 { X86::VPMOVSXBWYrr, X86::VPMOVSXBWYrm, 0 },
772 { X86::VPMOVSXDQYrr, X86::VPMOVSXDQYrm, 0 },
773 { X86::VPMOVSXWDYrr, X86::VPMOVSXWDYrm, 0 },
774 { X86::VPMOVSXWQYrr, X86::VPMOVSXWQYrm, TB_NO_REVERSE },
775 { X86::VPMOVZXBDYrr, X86::VPMOVZXBDYrm, TB_NO_REVERSE },
776 { X86::VPMOVZXBQYrr, X86::VPMOVZXBQYrm, TB_NO_REVERSE },
777 { X86::VPMOVZXBWYrr, X86::VPMOVZXBWYrm, 0 },
778 { X86::VPMOVZXDQYrr, X86::VPMOVZXDQYrm, 0 },
779 { X86::VPMOVZXWDYrr, X86::VPMOVZXWDYrm, 0 },
780 { X86::VPMOVZXWQYrr, X86::VPMOVZXWQYrm, TB_NO_REVERSE },
781 { X86::VPSHUFDYri, X86::VPSHUFDYmi, 0 },
782 { X86::VPSHUFHWYri, X86::VPSHUFHWYmi, 0 },
783 { X86::VPSHUFLWYri, X86::VPSHUFLWYmi, 0 },
784
785 // XOP foldable instructions
786 { X86::VFRCZPDrr, X86::VFRCZPDrm, 0 },
787 { X86::VFRCZPDrrY, X86::VFRCZPDrmY, 0 },
788 { X86::VFRCZPSrr, X86::VFRCZPSrm, 0 },
789 { X86::VFRCZPSrrY, X86::VFRCZPSrmY, 0 },
790 { X86::VFRCZSDrr, X86::VFRCZSDrm, 0 },
791 { X86::VFRCZSSrr, X86::VFRCZSSrm, 0 },
792 { X86::VPHADDBDrr, X86::VPHADDBDrm, 0 },
793 { X86::VPHADDBQrr, X86::VPHADDBQrm, 0 },
794 { X86::VPHADDBWrr, X86::VPHADDBWrm, 0 },
795 { X86::VPHADDDQrr, X86::VPHADDDQrm, 0 },
796 { X86::VPHADDWDrr, X86::VPHADDWDrm, 0 },
797 { X86::VPHADDWQrr, X86::VPHADDWQrm, 0 },
798 { X86::VPHADDUBDrr, X86::VPHADDUBDrm, 0 },
799 { X86::VPHADDUBQrr, X86::VPHADDUBQrm, 0 },
800 { X86::VPHADDUBWrr, X86::VPHADDUBWrm, 0 },
801 { X86::VPHADDUDQrr, X86::VPHADDUDQrm, 0 },
802 { X86::VPHADDUWDrr, X86::VPHADDUWDrm, 0 },
803 { X86::VPHADDUWQrr, X86::VPHADDUWQrm, 0 },
804 { X86::VPHSUBBWrr, X86::VPHSUBBWrm, 0 },
805 { X86::VPHSUBDQrr, X86::VPHSUBDQrm, 0 },
806 { X86::VPHSUBWDrr, X86::VPHSUBWDrm, 0 },
807 { X86::VPROTBri, X86::VPROTBmi, 0 },
808 { X86::VPROTBrr, X86::VPROTBmr, 0 },
809 { X86::VPROTDri, X86::VPROTDmi, 0 },
810 { X86::VPROTDrr, X86::VPROTDmr, 0 },
811 { X86::VPROTQri, X86::VPROTQmi, 0 },
812 { X86::VPROTQrr, X86::VPROTQmr, 0 },
813 { X86::VPROTWri, X86::VPROTWmi, 0 },
814 { X86::VPROTWrr, X86::VPROTWmr, 0 },
815 { X86::VPSHABrr, X86::VPSHABmr, 0 },
816 { X86::VPSHADrr, X86::VPSHADmr, 0 },
817 { X86::VPSHAQrr, X86::VPSHAQmr, 0 },
818 { X86::VPSHAWrr, X86::VPSHAWmr, 0 },
819 { X86::VPSHLBrr, X86::VPSHLBmr, 0 },
820 { X86::VPSHLDrr, X86::VPSHLDmr, 0 },
821 { X86::VPSHLQrr, X86::VPSHLQmr, 0 },
822 { X86::VPSHLWrr, X86::VPSHLWmr, 0 },
823
824 // BMI/BMI2/LZCNT/POPCNT/TBM foldable instructions
825 { X86::BEXTR32rr, X86::BEXTR32rm, 0 },
826 { X86::BEXTR64rr, X86::BEXTR64rm, 0 },
827 { X86::BEXTRI32ri, X86::BEXTRI32mi, 0 },
828 { X86::BEXTRI64ri, X86::BEXTRI64mi, 0 },
829 { X86::BLCFILL32rr, X86::BLCFILL32rm, 0 },
830 { X86::BLCFILL64rr, X86::BLCFILL64rm, 0 },
831 { X86::BLCI32rr, X86::BLCI32rm, 0 },
832 { X86::BLCI64rr, X86::BLCI64rm, 0 },
833 { X86::BLCIC32rr, X86::BLCIC32rm, 0 },
834 { X86::BLCIC64rr, X86::BLCIC64rm, 0 },
835 { X86::BLCMSK32rr, X86::BLCMSK32rm, 0 },
836 { X86::BLCMSK64rr, X86::BLCMSK64rm, 0 },
837 { X86::BLCS32rr, X86::BLCS32rm, 0 },
838 { X86::BLCS64rr, X86::BLCS64rm, 0 },
839 { X86::BLSFILL32rr, X86::BLSFILL32rm, 0 },
840 { X86::BLSFILL64rr, X86::BLSFILL64rm, 0 },
841 { X86::BLSI32rr, X86::BLSI32rm, 0 },
842 { X86::BLSI64rr, X86::BLSI64rm, 0 },
843 { X86::BLSIC32rr, X86::BLSIC32rm, 0 },
844 { X86::BLSIC64rr, X86::BLSIC64rm, 0 },
845 { X86::BLSMSK32rr, X86::BLSMSK32rm, 0 },
846 { X86::BLSMSK64rr, X86::BLSMSK64rm, 0 },
847 { X86::BLSR32rr, X86::BLSR32rm, 0 },
848 { X86::BLSR64rr, X86::BLSR64rm, 0 },
849 { X86::BZHI32rr, X86::BZHI32rm, 0 },
850 { X86::BZHI64rr, X86::BZHI64rm, 0 },
851 { X86::LZCNT16rr, X86::LZCNT16rm, 0 },
852 { X86::LZCNT32rr, X86::LZCNT32rm, 0 },
853 { X86::LZCNT64rr, X86::LZCNT64rm, 0 },
854 { X86::POPCNT16rr, X86::POPCNT16rm, 0 },
855 { X86::POPCNT32rr, X86::POPCNT32rm, 0 },
856 { X86::POPCNT64rr, X86::POPCNT64rm, 0 },
857 { X86::RORX32ri, X86::RORX32mi, 0 },
858 { X86::RORX64ri, X86::RORX64mi, 0 },
859 { X86::SARX32rr, X86::SARX32rm, 0 },
860 { X86::SARX64rr, X86::SARX64rm, 0 },
861 { X86::SHRX32rr, X86::SHRX32rm, 0 },
862 { X86::SHRX64rr, X86::SHRX64rm, 0 },
863 { X86::SHLX32rr, X86::SHLX32rm, 0 },
864 { X86::SHLX64rr, X86::SHLX64rm, 0 },
865 { X86::T1MSKC32rr, X86::T1MSKC32rm, 0 },
866 { X86::T1MSKC64rr, X86::T1MSKC64rm, 0 },
867 { X86::TZCNT16rr, X86::TZCNT16rm, 0 },
868 { X86::TZCNT32rr, X86::TZCNT32rm, 0 },
869 { X86::TZCNT64rr, X86::TZCNT64rm, 0 },
870 { X86::TZMSK32rr, X86::TZMSK32rm, 0 },
871 { X86::TZMSK64rr, X86::TZMSK64rm, 0 },
872
873 // AVX-512 foldable instructions
874 { X86::VBROADCASTSSZr, X86::VBROADCASTSSZm, TB_NO_REVERSE },
875 { X86::VBROADCASTSDZr, X86::VBROADCASTSDZm, TB_NO_REVERSE },
876 { X86::VMOV64toPQIZrr, X86::VMOVQI2PQIZrm, 0 },
877 { X86::VMOV64toSDZrr, X86::VMOV64toSDZrm, 0 },
878 { X86::VMOVDI2PDIZrr, X86::VMOVDI2PDIZrm, 0 },
879 { X86::VMOVDI2SSZrr, X86::VMOVDI2SSZrm, 0 },
880 { X86::VMOVAPDZrr, X86::VMOVAPDZrm, TB_ALIGN_64 },
881 { X86::VMOVAPSZrr, X86::VMOVAPSZrm, TB_ALIGN_64 },
882 { X86::VMOVDQA32Zrr, X86::VMOVDQA32Zrm, TB_ALIGN_64 },
883 { X86::VMOVDQA64Zrr, X86::VMOVDQA64Zrm, TB_ALIGN_64 },
884 { X86::VMOVDQU8Zrr, X86::VMOVDQU8Zrm, 0 },
885 { X86::VMOVDQU16Zrr, X86::VMOVDQU16Zrm, 0 },
886 { X86::VMOVDQU32Zrr, X86::VMOVDQU32Zrm, 0 },
887 { X86::VMOVDQU64Zrr, X86::VMOVDQU64Zrm, 0 },
888 { X86::VMOVUPDZrr, X86::VMOVUPDZrm, 0 },
889 { X86::VMOVUPSZrr, X86::VMOVUPSZrm, 0 },
890 { X86::VMOVZPQILo2PQIZrr,X86::VMOVQI2PQIZrm, TB_NO_REVERSE },
891 { X86::VPABSBZrr, X86::VPABSBZrm, 0 },
892 { X86::VPABSDZrr, X86::VPABSDZrm, 0 },
893 { X86::VPABSQZrr, X86::VPABSQZrm, 0 },
894 { X86::VPABSWZrr, X86::VPABSWZrm, 0 },
895 { X86::VPERMILPDZri, X86::VPERMILPDZmi, 0 },
896 { X86::VPERMILPSZri, X86::VPERMILPSZmi, 0 },
897 { X86::VPERMPDZri, X86::VPERMPDZmi, 0 },
898 { X86::VPERMQZri, X86::VPERMQZmi, 0 },
899 { X86::VPMOVSXBDZrr, X86::VPMOVSXBDZrm, 0 },
900 { X86::VPMOVSXBQZrr, X86::VPMOVSXBQZrm, TB_NO_REVERSE },
901 { X86::VPMOVSXBWZrr, X86::VPMOVSXBWZrm, 0 },
902 { X86::VPMOVSXDQZrr, X86::VPMOVSXDQZrm, 0 },
903 { X86::VPMOVSXWDZrr, X86::VPMOVSXWDZrm, 0 },
904 { X86::VPMOVSXWQZrr, X86::VPMOVSXWQZrm, 0 },
905 { X86::VPMOVZXBDZrr, X86::VPMOVZXBDZrm, 0 },
906 { X86::VPMOVZXBQZrr, X86::VPMOVZXBQZrm, TB_NO_REVERSE },
907 { X86::VPMOVZXBWZrr, X86::VPMOVZXBWZrm, 0 },
908 { X86::VPMOVZXDQZrr, X86::VPMOVZXDQZrm, 0 },
909 { X86::VPMOVZXWDZrr, X86::VPMOVZXWDZrm, 0 },
910 { X86::VPMOVZXWQZrr, X86::VPMOVZXWQZrm, 0 },
911 { X86::VPSHUFDZri, X86::VPSHUFDZmi, 0 },
912 { X86::VPSHUFHWZri, X86::VPSHUFHWZmi, 0 },
913 { X86::VPSHUFLWZri, X86::VPSHUFLWZmi, 0 },
914 { X86::VPSLLDQZ512rr, X86::VPSLLDQZ512rm, 0 },
915 { X86::VPSLLDZri, X86::VPSLLDZmi, 0 },
916 { X86::VPSLLQZri, X86::VPSLLQZmi, 0 },
917 { X86::VPSLLWZri, X86::VPSLLWZmi, 0 },
918 { X86::VPSRADZri, X86::VPSRADZmi, 0 },
919 { X86::VPSRAQZri, X86::VPSRAQZmi, 0 },
920 { X86::VPSRAWZri, X86::VPSRAWZmi, 0 },
921 { X86::VPSRLDQZ512rr, X86::VPSRLDQZ512rm, 0 },
922 { X86::VPSRLDZri, X86::VPSRLDZmi, 0 },
923 { X86::VPSRLQZri, X86::VPSRLQZmi, 0 },
924 { X86::VPSRLWZri, X86::VPSRLWZmi, 0 },
925
926 // AVX-512 foldable instructions (256-bit versions)
927 { X86::VBROADCASTSSZ256r, X86::VBROADCASTSSZ256m, TB_NO_REVERSE },
928 { X86::VBROADCASTSDZ256r, X86::VBROADCASTSDZ256m, TB_NO_REVERSE },
929 { X86::VMOVAPDZ256rr, X86::VMOVAPDZ256rm, TB_ALIGN_32 },
930 { X86::VMOVAPSZ256rr, X86::VMOVAPSZ256rm, TB_ALIGN_32 },
931 { X86::VMOVDQA32Z256rr, X86::VMOVDQA32Z256rm, TB_ALIGN_32 },
932 { X86::VMOVDQA64Z256rr, X86::VMOVDQA64Z256rm, TB_ALIGN_32 },
933 { X86::VMOVDQU8Z256rr, X86::VMOVDQU8Z256rm, 0 },
934 { X86::VMOVDQU16Z256rr, X86::VMOVDQU16Z256rm, 0 },
935 { X86::VMOVDQU32Z256rr, X86::VMOVDQU32Z256rm, 0 },
936 { X86::VMOVDQU64Z256rr, X86::VMOVDQU64Z256rm, 0 },
937 { X86::VMOVUPDZ256rr, X86::VMOVUPDZ256rm, 0 },
938 { X86::VMOVUPSZ256rr, X86::VMOVUPSZ256rm, 0 },
939 { X86::VPABSBZ256rr, X86::VPABSBZ256rm, 0 },
940 { X86::VPABSDZ256rr, X86::VPABSDZ256rm, 0 },
941 { X86::VPABSQZ256rr, X86::VPABSQZ256rm, 0 },
942 { X86::VPABSWZ256rr, X86::VPABSWZ256rm, 0 },
943 { X86::VPERMILPDZ256ri, X86::VPERMILPDZ256mi, 0 },
944 { X86::VPERMILPSZ256ri, X86::VPERMILPSZ256mi, 0 },
945 { X86::VPERMPDZ256ri, X86::VPERMPDZ256mi, 0 },
946 { X86::VPERMQZ256ri, X86::VPERMQZ256mi, 0 },
947 { X86::VPMOVSXBDZ256rr, X86::VPMOVSXBDZ256rm, TB_NO_REVERSE },
948 { X86::VPMOVSXBQZ256rr, X86::VPMOVSXBQZ256rm, TB_NO_REVERSE },
949 { X86::VPMOVSXBWZ256rr, X86::VPMOVSXBWZ256rm, 0 },
950 { X86::VPMOVSXDQZ256rr, X86::VPMOVSXDQZ256rm, 0 },
951 { X86::VPMOVSXWDZ256rr, X86::VPMOVSXWDZ256rm, 0 },
952 { X86::VPMOVSXWQZ256rr, X86::VPMOVSXWQZ256rm, TB_NO_REVERSE },
953 { X86::VPMOVZXBDZ256rr, X86::VPMOVZXBDZ256rm, TB_NO_REVERSE },
954 { X86::VPMOVZXBQZ256rr, X86::VPMOVZXBQZ256rm, TB_NO_REVERSE },
955 { X86::VPMOVZXBWZ256rr, X86::VPMOVZXBWZ256rm, 0 },
956 { X86::VPMOVZXDQZ256rr, X86::VPMOVZXDQZ256rm, 0 },
957 { X86::VPMOVZXWDZ256rr, X86::VPMOVZXWDZ256rm, 0 },
958 { X86::VPMOVZXWQZ256rr, X86::VPMOVZXWQZ256rm, TB_NO_REVERSE },
959 { X86::VPSHUFDZ256ri, X86::VPSHUFDZ256mi, 0 },
960 { X86::VPSHUFHWZ256ri, X86::VPSHUFHWZ256mi, 0 },
961 { X86::VPSHUFLWZ256ri, X86::VPSHUFLWZ256mi, 0 },
962 { X86::VPSLLDQZ256rr, X86::VPSLLDQZ256rm, 0 },
963 { X86::VPSLLDZ256ri, X86::VPSLLDZ256mi, 0 },
964 { X86::VPSLLQZ256ri, X86::VPSLLQZ256mi, 0 },
965 { X86::VPSLLWZ256ri, X86::VPSLLWZ256mi, 0 },
966 { X86::VPSRADZ256ri, X86::VPSRADZ256mi, 0 },
967 { X86::VPSRAQZ256ri, X86::VPSRAQZ256mi, 0 },
968 { X86::VPSRAWZ256ri, X86::VPSRAWZ256mi, 0 },
969 { X86::VPSRLDQZ256rr, X86::VPSRLDQZ256rm, 0 },
970 { X86::VPSRLDZ256ri, X86::VPSRLDZ256mi, 0 },
971 { X86::VPSRLQZ256ri, X86::VPSRLQZ256mi, 0 },
972 { X86::VPSRLWZ256ri, X86::VPSRLWZ256mi, 0 },
973
974 // AVX-512 foldable instructions (128-bit versions)
975 { X86::VBROADCASTSSZ128r, X86::VBROADCASTSSZ128m, TB_NO_REVERSE },
976 { X86::VMOVAPDZ128rr, X86::VMOVAPDZ128rm, TB_ALIGN_16 },
977 { X86::VMOVAPSZ128rr, X86::VMOVAPSZ128rm, TB_ALIGN_16 },
978 { X86::VMOVDQA32Z128rr, X86::VMOVDQA32Z128rm, TB_ALIGN_16 },
979 { X86::VMOVDQA64Z128rr, X86::VMOVDQA64Z128rm, TB_ALIGN_16 },
980 { X86::VMOVDQU8Z128rr, X86::VMOVDQU8Z128rm, 0 },
981 { X86::VMOVDQU16Z128rr, X86::VMOVDQU16Z128rm, 0 },
982 { X86::VMOVDQU32Z128rr, X86::VMOVDQU32Z128rm, 0 },
983 { X86::VMOVDQU64Z128rr, X86::VMOVDQU64Z128rm, 0 },
984 { X86::VMOVUPDZ128rr, X86::VMOVUPDZ128rm, 0 },
985 { X86::VMOVUPSZ128rr, X86::VMOVUPSZ128rm, 0 },
986 { X86::VPABSBZ128rr, X86::VPABSBZ128rm, 0 },
987 { X86::VPABSDZ128rr, X86::VPABSDZ128rm, 0 },
988 { X86::VPABSQZ128rr, X86::VPABSQZ128rm, 0 },
989 { X86::VPABSWZ128rr, X86::VPABSWZ128rm, 0 },
990 { X86::VPERMILPDZ128ri, X86::VPERMILPDZ128mi, 0 },
991 { X86::VPERMILPSZ128ri, X86::VPERMILPSZ128mi, 0 },
992 { X86::VPMOVSXBDZ128rr, X86::VPMOVSXBDZ128rm, TB_NO_REVERSE },
993 { X86::VPMOVSXBQZ128rr, X86::VPMOVSXBQZ128rm, TB_NO_REVERSE },
994 { X86::VPMOVSXBWZ128rr, X86::VPMOVSXBWZ128rm, TB_NO_REVERSE },
995 { X86::VPMOVSXDQZ128rr, X86::VPMOVSXDQZ128rm, TB_NO_REVERSE },
996 { X86::VPMOVSXWDZ128rr, X86::VPMOVSXWDZ128rm, TB_NO_REVERSE },
997 { X86::VPMOVSXWQZ128rr, X86::VPMOVSXWQZ128rm, TB_NO_REVERSE },
998 { X86::VPMOVZXBDZ128rr, X86::VPMOVZXBDZ128rm, TB_NO_REVERSE },
999 { X86::VPMOVZXBQZ128rr, X86::VPMOVZXBQZ128rm, TB_NO_REVERSE },
1000 { X86::VPMOVZXBWZ128rr, X86::VPMOVZXBWZ128rm, TB_NO_REVERSE },
1001 { X86::VPMOVZXDQZ128rr, X86::VPMOVZXDQZ128rm, TB_NO_REVERSE },
1002 { X86::VPMOVZXWDZ128rr, X86::VPMOVZXWDZ128rm, TB_NO_REVERSE },
1003 { X86::VPMOVZXWQZ128rr, X86::VPMOVZXWQZ128rm, TB_NO_REVERSE },
1004 { X86::VPSHUFDZ128ri, X86::VPSHUFDZ128mi, 0 },
1005 { X86::VPSHUFHWZ128ri, X86::VPSHUFHWZ128mi, 0 },
1006 { X86::VPSHUFLWZ128ri, X86::VPSHUFLWZ128mi, 0 },
1007 { X86::VPSLLDQZ128rr, X86::VPSLLDQZ128rm, 0 },
1008 { X86::VPSLLDZ128ri, X86::VPSLLDZ128mi, 0 },
1009 { X86::VPSLLQZ128ri, X86::VPSLLQZ128mi, 0 },
1010 { X86::VPSLLWZ128ri, X86::VPSLLWZ128mi, 0 },
1011 { X86::VPSRADZ128ri, X86::VPSRADZ128mi, 0 },
1012 { X86::VPSRAQZ128ri, X86::VPSRAQZ128mi, 0 },
1013 { X86::VPSRAWZ128ri, X86::VPSRAWZ128mi, 0 },
1014 { X86::VPSRLDQZ128rr, X86::VPSRLDQZ128rm, 0 },
1015 { X86::VPSRLDZ128ri, X86::VPSRLDZ128mi, 0 },
1016 { X86::VPSRLQZ128ri, X86::VPSRLQZ128mi, 0 },
1017 { X86::VPSRLWZ128ri, X86::VPSRLWZ128mi, 0 },
1018
1019 // F16C foldable instructions
1020 { X86::VCVTPH2PSrr, X86::VCVTPH2PSrm, 0 },
1021 { X86::VCVTPH2PSYrr, X86::VCVTPH2PSYrm, 0 },
1022
1023 // AES foldable instructions
1024 { X86::AESIMCrr, X86::AESIMCrm, TB_ALIGN_16 },
1025 { X86::AESKEYGENASSIST128rr, X86::AESKEYGENASSIST128rm, TB_ALIGN_16 },
1026 { X86::VAESIMCrr, X86::VAESIMCrm, 0 },
1027 { X86::VAESKEYGENASSIST128rr, X86::VAESKEYGENASSIST128rm, 0 }
1028 };
1029
1030 for (X86MemoryFoldTableEntry Entry : MemoryFoldTable1) {
1031 AddTableEntry(RegOp2MemOpTable1, MemOp2RegOpTable,
1032 Entry.RegOp, Entry.MemOp,
1033 // Index 1, folded load
1034 Entry.Flags | TB_INDEX_1 | TB_FOLDED_LOAD);
1035 }
1036
1037 static const X86MemoryFoldTableEntry MemoryFoldTable2[] = {
1038 { X86::ADC32rr, X86::ADC32rm, 0 },
1039 { X86::ADC64rr, X86::ADC64rm, 0 },
1040 { X86::ADD16rr, X86::ADD16rm, 0 },
1041 { X86::ADD16rr_DB, X86::ADD16rm, TB_NO_REVERSE },
1042 { X86::ADD32rr, X86::ADD32rm, 0 },
1043 { X86::ADD32rr_DB, X86::ADD32rm, TB_NO_REVERSE },
1044 { X86::ADD64rr, X86::ADD64rm, 0 },
1045 { X86::ADD64rr_DB, X86::ADD64rm, TB_NO_REVERSE },
1046 { X86::ADD8rr, X86::ADD8rm, 0 },
1047 { X86::ADDPDrr, X86::ADDPDrm, TB_ALIGN_16 },
1048 { X86::ADDPSrr, X86::ADDPSrm, TB_ALIGN_16 },
1049 { X86::ADDSDrr, X86::ADDSDrm, 0 },
1050 { X86::ADDSDrr_Int, X86::ADDSDrm_Int, TB_NO_REVERSE },
1051 { X86::ADDSSrr, X86::ADDSSrm, 0 },
1052 { X86::ADDSSrr_Int, X86::ADDSSrm_Int, TB_NO_REVERSE },
1053 { X86::ADDSUBPDrr, X86::ADDSUBPDrm, TB_ALIGN_16 },
1054 { X86::ADDSUBPSrr, X86::ADDSUBPSrm, TB_ALIGN_16 },
1055 { X86::AND16rr, X86::AND16rm, 0 },
1056 { X86::AND32rr, X86::AND32rm, 0 },
1057 { X86::AND64rr, X86::AND64rm, 0 },
1058 { X86::AND8rr, X86::AND8rm, 0 },
1059 { X86::ANDNPDrr, X86::ANDNPDrm, TB_ALIGN_16 },
1060 { X86::ANDNPSrr, X86::ANDNPSrm, TB_ALIGN_16 },
1061 { X86::ANDPDrr, X86::ANDPDrm, TB_ALIGN_16 },
1062 { X86::ANDPSrr, X86::ANDPSrm, TB_ALIGN_16 },
1063 { X86::BLENDPDrri, X86::BLENDPDrmi, TB_ALIGN_16 },
1064 { X86::BLENDPSrri, X86::BLENDPSrmi, TB_ALIGN_16 },
1065 { X86::BLENDVPDrr0, X86::BLENDVPDrm0, TB_ALIGN_16 },
1066 { X86::BLENDVPSrr0, X86::BLENDVPSrm0, TB_ALIGN_16 },
1067 { X86::CMOVA16rr, X86::CMOVA16rm, 0 },
1068 { X86::CMOVA32rr, X86::CMOVA32rm, 0 },
1069 { X86::CMOVA64rr, X86::CMOVA64rm, 0 },
1070 { X86::CMOVAE16rr, X86::CMOVAE16rm, 0 },
1071 { X86::CMOVAE32rr, X86::CMOVAE32rm, 0 },
1072 { X86::CMOVAE64rr, X86::CMOVAE64rm, 0 },
1073 { X86::CMOVB16rr, X86::CMOVB16rm, 0 },
1074 { X86::CMOVB32rr, X86::CMOVB32rm, 0 },
1075 { X86::CMOVB64rr, X86::CMOVB64rm, 0 },
1076 { X86::CMOVBE16rr, X86::CMOVBE16rm, 0 },
1077 { X86::CMOVBE32rr, X86::CMOVBE32rm, 0 },
1078 { X86::CMOVBE64rr, X86::CMOVBE64rm, 0 },
1079 { X86::CMOVE16rr, X86::CMOVE16rm, 0 },
1080 { X86::CMOVE32rr, X86::CMOVE32rm, 0 },
1081 { X86::CMOVE64rr, X86::CMOVE64rm, 0 },
1082 { X86::CMOVG16rr, X86::CMOVG16rm, 0 },
1083 { X86::CMOVG32rr, X86::CMOVG32rm, 0 },
1084 { X86::CMOVG64rr, X86::CMOVG64rm, 0 },
1085 { X86::CMOVGE16rr, X86::CMOVGE16rm, 0 },
1086 { X86::CMOVGE32rr, X86::CMOVGE32rm, 0 },
1087 { X86::CMOVGE64rr, X86::CMOVGE64rm, 0 },
1088 { X86::CMOVL16rr, X86::CMOVL16rm, 0 },
1089 { X86::CMOVL32rr, X86::CMOVL32rm, 0 },
1090 { X86::CMOVL64rr, X86::CMOVL64rm, 0 },
1091 { X86::CMOVLE16rr, X86::CMOVLE16rm, 0 },
1092 { X86::CMOVLE32rr, X86::CMOVLE32rm, 0 },
1093 { X86::CMOVLE64rr, X86::CMOVLE64rm, 0 },
1094 { X86::CMOVNE16rr, X86::CMOVNE16rm, 0 },
1095 { X86::CMOVNE32rr, X86::CMOVNE32rm, 0 },
1096 { X86::CMOVNE64rr, X86::CMOVNE64rm, 0 },
1097 { X86::CMOVNO16rr, X86::CMOVNO16rm, 0 },
1098 { X86::CMOVNO32rr, X86::CMOVNO32rm, 0 },
1099 { X86::CMOVNO64rr, X86::CMOVNO64rm, 0 },
1100 { X86::CMOVNP16rr, X86::CMOVNP16rm, 0 },
1101 { X86::CMOVNP32rr, X86::CMOVNP32rm, 0 },
1102 { X86::CMOVNP64rr, X86::CMOVNP64rm, 0 },
1103 { X86::CMOVNS16rr, X86::CMOVNS16rm, 0 },
1104 { X86::CMOVNS32rr, X86::CMOVNS32rm, 0 },
1105 { X86::CMOVNS64rr, X86::CMOVNS64rm, 0 },
1106 { X86::CMOVO16rr, X86::CMOVO16rm, 0 },
1107 { X86::CMOVO32rr, X86::CMOVO32rm, 0 },
1108 { X86::CMOVO64rr, X86::CMOVO64rm, 0 },
1109 { X86::CMOVP16rr, X86::CMOVP16rm, 0 },
1110 { X86::CMOVP32rr, X86::CMOVP32rm, 0 },
1111 { X86::CMOVP64rr, X86::CMOVP64rm, 0 },
1112 { X86::CMOVS16rr, X86::CMOVS16rm, 0 },
1113 { X86::CMOVS32rr, X86::CMOVS32rm, 0 },
1114 { X86::CMOVS64rr, X86::CMOVS64rm, 0 },
1115 { X86::CMPPDrri, X86::CMPPDrmi, TB_ALIGN_16 },
1116 { X86::CMPPSrri, X86::CMPPSrmi, TB_ALIGN_16 },
1117 { X86::CMPSDrr, X86::CMPSDrm, 0 },
1118 { X86::CMPSSrr, X86::CMPSSrm, 0 },
1119 { X86::CRC32r32r32, X86::CRC32r32m32, 0 },
1120 { X86::CRC32r64r64, X86::CRC32r64m64, 0 },
1121 { X86::DIVPDrr, X86::DIVPDrm, TB_ALIGN_16 },
1122 { X86::DIVPSrr, X86::DIVPSrm, TB_ALIGN_16 },
1123 { X86::DIVSDrr, X86::DIVSDrm, 0 },
1124 { X86::DIVSDrr_Int, X86::DIVSDrm_Int, TB_NO_REVERSE },
1125 { X86::DIVSSrr, X86::DIVSSrm, 0 },
1126 { X86::DIVSSrr_Int, X86::DIVSSrm_Int, TB_NO_REVERSE },
1127 { X86::DPPDrri, X86::DPPDrmi, TB_ALIGN_16 },
1128 { X86::DPPSrri, X86::DPPSrmi, TB_ALIGN_16 },
1129 { X86::HADDPDrr, X86::HADDPDrm, TB_ALIGN_16 },
1130 { X86::HADDPSrr, X86::HADDPSrm, TB_ALIGN_16 },
1131 { X86::HSUBPDrr, X86::HSUBPDrm, TB_ALIGN_16 },
1132 { X86::HSUBPSrr, X86::HSUBPSrm, TB_ALIGN_16 },
1133 { X86::IMUL16rr, X86::IMUL16rm, 0 },
1134 { X86::IMUL32rr, X86::IMUL32rm, 0 },
1135 { X86::IMUL64rr, X86::IMUL64rm, 0 },
1136 { X86::Int_CMPSDrr, X86::Int_CMPSDrm, TB_NO_REVERSE },
1137 { X86::Int_CMPSSrr, X86::Int_CMPSSrm, TB_NO_REVERSE },
1138 { X86::Int_CVTSD2SSrr, X86::Int_CVTSD2SSrm, TB_NO_REVERSE },
1139 { X86::Int_CVTSI2SD64rr,X86::Int_CVTSI2SD64rm, 0 },
1140 { X86::Int_CVTSI2SDrr, X86::Int_CVTSI2SDrm, 0 },
1141 { X86::Int_CVTSI2SS64rr,X86::Int_CVTSI2SS64rm, 0 },
1142 { X86::Int_CVTSI2SSrr, X86::Int_CVTSI2SSrm, 0 },
1143 { X86::Int_CVTSS2SDrr, X86::Int_CVTSS2SDrm, TB_NO_REVERSE },
1144 { X86::MAXPDrr, X86::MAXPDrm, TB_ALIGN_16 },
1145 { X86::MAXCPDrr, X86::MAXCPDrm, TB_ALIGN_16 },
1146 { X86::MAXPSrr, X86::MAXPSrm, TB_ALIGN_16 },
1147 { X86::MAXCPSrr, X86::MAXCPSrm, TB_ALIGN_16 },
1148 { X86::MAXSDrr, X86::MAXSDrm, 0 },
1149 { X86::MAXCSDrr, X86::MAXCSDrm, 0 },
1150 { X86::MAXSDrr_Int, X86::MAXSDrm_Int, TB_NO_REVERSE },
1151 { X86::MAXSSrr, X86::MAXSSrm, 0 },
1152 { X86::MAXCSSrr, X86::MAXCSSrm, 0 },
1153 { X86::MAXSSrr_Int, X86::MAXSSrm_Int, TB_NO_REVERSE },
1154 { X86::MINPDrr, X86::MINPDrm, TB_ALIGN_16 },
1155 { X86::MINCPDrr, X86::MINCPDrm, TB_ALIGN_16 },
1156 { X86::MINPSrr, X86::MINPSrm, TB_ALIGN_16 },
1157 { X86::MINCPSrr, X86::MINCPSrm, TB_ALIGN_16 },
1158 { X86::MINSDrr, X86::MINSDrm, 0 },
1159 { X86::MINCSDrr, X86::MINCSDrm, 0 },
1160 { X86::MINSDrr_Int, X86::MINSDrm_Int, TB_NO_REVERSE },
1161 { X86::MINSSrr, X86::MINSSrm, 0 },
1162 { X86::MINCSSrr, X86::MINCSSrm, 0 },
1163 { X86::MINSSrr_Int, X86::MINSSrm_Int, TB_NO_REVERSE },
1164 { X86::MOVLHPSrr, X86::MOVHPSrm, TB_NO_REVERSE },
1165 { X86::MPSADBWrri, X86::MPSADBWrmi, TB_ALIGN_16 },
1166 { X86::MULPDrr, X86::MULPDrm, TB_ALIGN_16 },
1167 { X86::MULPSrr, X86::MULPSrm, TB_ALIGN_16 },
1168 { X86::MULSDrr, X86::MULSDrm, 0 },
1169 { X86::MULSDrr_Int, X86::MULSDrm_Int, TB_NO_REVERSE },
1170 { X86::MULSSrr, X86::MULSSrm, 0 },
1171 { X86::MULSSrr_Int, X86::MULSSrm_Int, TB_NO_REVERSE },
1172 { X86::OR16rr, X86::OR16rm, 0 },
1173 { X86::OR32rr, X86::OR32rm, 0 },
1174 { X86::OR64rr, X86::OR64rm, 0 },
1175 { X86::OR8rr, X86::OR8rm, 0 },
1176 { X86::ORPDrr, X86::ORPDrm, TB_ALIGN_16 },
1177 { X86::ORPSrr, X86::ORPSrm, TB_ALIGN_16 },
1178 { X86::PACKSSDWrr, X86::PACKSSDWrm, TB_ALIGN_16 },
1179 { X86::PACKSSWBrr, X86::PACKSSWBrm, TB_ALIGN_16 },
1180 { X86::PACKUSDWrr, X86::PACKUSDWrm, TB_ALIGN_16 },
1181 { X86::PACKUSWBrr, X86::PACKUSWBrm, TB_ALIGN_16 },
1182 { X86::PADDBrr, X86::PADDBrm, TB_ALIGN_16 },
1183 { X86::PADDDrr, X86::PADDDrm, TB_ALIGN_16 },
1184 { X86::PADDQrr, X86::PADDQrm, TB_ALIGN_16 },
1185 { X86::PADDSBrr, X86::PADDSBrm, TB_ALIGN_16 },
1186 { X86::PADDSWrr, X86::PADDSWrm, TB_ALIGN_16 },
1187 { X86::PADDUSBrr, X86::PADDUSBrm, TB_ALIGN_16 },
1188 { X86::PADDUSWrr, X86::PADDUSWrm, TB_ALIGN_16 },
1189 { X86::PADDWrr, X86::PADDWrm, TB_ALIGN_16 },
1190 { X86::PALIGNRrri, X86::PALIGNRrmi, TB_ALIGN_16 },
1191 { X86::PANDNrr, X86::PANDNrm, TB_ALIGN_16 },
1192 { X86::PANDrr, X86::PANDrm, TB_ALIGN_16 },
1193 { X86::PAVGBrr, X86::PAVGBrm, TB_ALIGN_16 },
1194 { X86::PAVGWrr, X86::PAVGWrm, TB_ALIGN_16 },
1195 { X86::PBLENDVBrr0, X86::PBLENDVBrm0, TB_ALIGN_16 },
1196 { X86::PBLENDWrri, X86::PBLENDWrmi, TB_ALIGN_16 },
1197 { X86::PCLMULQDQrr, X86::PCLMULQDQrm, TB_ALIGN_16 },
1198 { X86::PCMPEQBrr, X86::PCMPEQBrm, TB_ALIGN_16 },
1199 { X86::PCMPEQDrr, X86::PCMPEQDrm, TB_ALIGN_16 },
1200 { X86::PCMPEQQrr, X86::PCMPEQQrm, TB_ALIGN_16 },
1201 { X86::PCMPEQWrr, X86::PCMPEQWrm, TB_ALIGN_16 },
1202 { X86::PCMPGTBrr, X86::PCMPGTBrm, TB_ALIGN_16 },
1203 { X86::PCMPGTDrr, X86::PCMPGTDrm, TB_ALIGN_16 },
1204 { X86::PCMPGTQrr, X86::PCMPGTQrm, TB_ALIGN_16 },
1205 { X86::PCMPGTWrr, X86::PCMPGTWrm, TB_ALIGN_16 },
1206 { X86::PHADDDrr, X86::PHADDDrm, TB_ALIGN_16 },
1207 { X86::PHADDWrr, X86::PHADDWrm, TB_ALIGN_16 },
1208 { X86::PHADDSWrr128, X86::PHADDSWrm128, TB_ALIGN_16 },
1209 { X86::PHSUBDrr, X86::PHSUBDrm, TB_ALIGN_16 },
1210 { X86::PHSUBSWrr128, X86::PHSUBSWrm128, TB_ALIGN_16 },
1211 { X86::PHSUBWrr, X86::PHSUBWrm, TB_ALIGN_16 },
1212 { X86::PINSRBrr, X86::PINSRBrm, 0 },
1213 { X86::PINSRDrr, X86::PINSRDrm, 0 },
1214 { X86::PINSRQrr, X86::PINSRQrm, 0 },
1215 { X86::PINSRWrri, X86::PINSRWrmi, 0 },
1216 { X86::PMADDUBSWrr, X86::PMADDUBSWrm, TB_ALIGN_16 },
1217 { X86::PMADDWDrr, X86::PMADDWDrm, TB_ALIGN_16 },
1218 { X86::PMAXSBrr, X86::PMAXSBrm, TB_ALIGN_16 },
1219 { X86::PMAXSDrr, X86::PMAXSDrm, TB_ALIGN_16 },
1220 { X86::PMAXSWrr, X86::PMAXSWrm, TB_ALIGN_16 },
1221 { X86::PMAXUBrr, X86::PMAXUBrm, TB_ALIGN_16 },
1222 { X86::PMAXUDrr, X86::PMAXUDrm, TB_ALIGN_16 },
1223 { X86::PMAXUWrr, X86::PMAXUWrm, TB_ALIGN_16 },
1224 { X86::PMINSBrr, X86::PMINSBrm, TB_ALIGN_16 },
1225 { X86::PMINSDrr, X86::PMINSDrm, TB_ALIGN_16 },
1226 { X86::PMINSWrr, X86::PMINSWrm, TB_ALIGN_16 },
1227 { X86::PMINUBrr, X86::PMINUBrm, TB_ALIGN_16 },
1228 { X86::PMINUDrr, X86::PMINUDrm, TB_ALIGN_16 },
1229 { X86::PMINUWrr, X86::PMINUWrm, TB_ALIGN_16 },
1230 { X86::PMULDQrr, X86::PMULDQrm, TB_ALIGN_16 },
1231 { X86::PMULHRSWrr, X86::PMULHRSWrm, TB_ALIGN_16 },
1232 { X86::PMULHUWrr, X86::PMULHUWrm, TB_ALIGN_16 },
1233 { X86::PMULHWrr, X86::PMULHWrm, TB_ALIGN_16 },
1234 { X86::PMULLDrr, X86::PMULLDrm, TB_ALIGN_16 },
1235 { X86::PMULLWrr, X86::PMULLWrm, TB_ALIGN_16 },
1236 { X86::PMULUDQrr, X86::PMULUDQrm, TB_ALIGN_16 },
1237 { X86::PORrr, X86::PORrm, TB_ALIGN_16 },
1238 { X86::PSADBWrr, X86::PSADBWrm, TB_ALIGN_16 },
1239 { X86::PSHUFBrr, X86::PSHUFBrm, TB_ALIGN_16 },
1240 { X86::PSIGNBrr128, X86::PSIGNBrm128, TB_ALIGN_16 },
1241 { X86::PSIGNWrr128, X86::PSIGNWrm128, TB_ALIGN_16 },
1242 { X86::PSIGNDrr128, X86::PSIGNDrm128, TB_ALIGN_16 },
1243 { X86::PSLLDrr, X86::PSLLDrm, TB_ALIGN_16 },
1244 { X86::PSLLQrr, X86::PSLLQrm, TB_ALIGN_16 },
1245 { X86::PSLLWrr, X86::PSLLWrm, TB_ALIGN_16 },
1246 { X86::PSRADrr, X86::PSRADrm, TB_ALIGN_16 },
1247 { X86::PSRAWrr, X86::PSRAWrm, TB_ALIGN_16 },
1248 { X86::PSRLDrr, X86::PSRLDrm, TB_ALIGN_16 },
1249 { X86::PSRLQrr, X86::PSRLQrm, TB_ALIGN_16 },
1250 { X86::PSRLWrr, X86::PSRLWrm, TB_ALIGN_16 },
1251 { X86::PSUBBrr, X86::PSUBBrm, TB_ALIGN_16 },
1252 { X86::PSUBDrr, X86::PSUBDrm, TB_ALIGN_16 },
1253 { X86::PSUBQrr, X86::PSUBQrm, TB_ALIGN_16 },
1254 { X86::PSUBSBrr, X86::PSUBSBrm, TB_ALIGN_16 },
1255 { X86::PSUBSWrr, X86::PSUBSWrm, TB_ALIGN_16 },
1256 { X86::PSUBUSBrr, X86::PSUBUSBrm, TB_ALIGN_16 },
1257 { X86::PSUBUSWrr, X86::PSUBUSWrm, TB_ALIGN_16 },
1258 { X86::PSUBWrr, X86::PSUBWrm, TB_ALIGN_16 },
1259 { X86::PUNPCKHBWrr, X86::PUNPCKHBWrm, TB_ALIGN_16 },
1260 { X86::PUNPCKHDQrr, X86::PUNPCKHDQrm, TB_ALIGN_16 },
1261 { X86::PUNPCKHQDQrr, X86::PUNPCKHQDQrm, TB_ALIGN_16 },
1262 { X86::PUNPCKHWDrr, X86::PUNPCKHWDrm, TB_ALIGN_16 },
1263 { X86::PUNPCKLBWrr, X86::PUNPCKLBWrm, TB_ALIGN_16 },
1264 { X86::PUNPCKLDQrr, X86::PUNPCKLDQrm, TB_ALIGN_16 },
1265 { X86::PUNPCKLQDQrr, X86::PUNPCKLQDQrm, TB_ALIGN_16 },
1266 { X86::PUNPCKLWDrr, X86::PUNPCKLWDrm, TB_ALIGN_16 },
1267 { X86::PXORrr, X86::PXORrm, TB_ALIGN_16 },
1268 { X86::ROUNDSDr_Int, X86::ROUNDSDm_Int, TB_NO_REVERSE },
1269 { X86::ROUNDSSr_Int, X86::ROUNDSSm_Int, TB_NO_REVERSE },
1270 { X86::SBB32rr, X86::SBB32rm, 0 },
1271 { X86::SBB64rr, X86::SBB64rm, 0 },
1272 { X86::SHUFPDrri, X86::SHUFPDrmi, TB_ALIGN_16 },
1273 { X86::SHUFPSrri, X86::SHUFPSrmi, TB_ALIGN_16 },
1274 { X86::SUB16rr, X86::SUB16rm, 0 },
1275 { X86::SUB32rr, X86::SUB32rm, 0 },
1276 { X86::SUB64rr, X86::SUB64rm, 0 },
1277 { X86::SUB8rr, X86::SUB8rm, 0 },
1278 { X86::SUBPDrr, X86::SUBPDrm, TB_ALIGN_16 },
1279 { X86::SUBPSrr, X86::SUBPSrm, TB_ALIGN_16 },
1280 { X86::SUBSDrr, X86::SUBSDrm, 0 },
1281 { X86::SUBSDrr_Int, X86::SUBSDrm_Int, TB_NO_REVERSE },
1282 { X86::SUBSSrr, X86::SUBSSrm, 0 },
1283 { X86::SUBSSrr_Int, X86::SUBSSrm_Int, TB_NO_REVERSE },
1284 // FIXME: TEST*rr -> swapped operand of TEST*mr.
1285 { X86::UNPCKHPDrr, X86::UNPCKHPDrm, TB_ALIGN_16 },
1286 { X86::UNPCKHPSrr, X86::UNPCKHPSrm, TB_ALIGN_16 },
1287 { X86::UNPCKLPDrr, X86::UNPCKLPDrm, TB_ALIGN_16 },
1288 { X86::UNPCKLPSrr, X86::UNPCKLPSrm, TB_ALIGN_16 },
1289 { X86::XOR16rr, X86::XOR16rm, 0 },
1290 { X86::XOR32rr, X86::XOR32rm, 0 },
1291 { X86::XOR64rr, X86::XOR64rm, 0 },
1292 { X86::XOR8rr, X86::XOR8rm, 0 },
1293 { X86::XORPDrr, X86::XORPDrm, TB_ALIGN_16 },
1294 { X86::XORPSrr, X86::XORPSrm, TB_ALIGN_16 },
1295
1296 // MMX version of foldable instructions
1297 { X86::MMX_CVTPI2PSirr, X86::MMX_CVTPI2PSirm, 0 },
1298 { X86::MMX_PACKSSDWirr, X86::MMX_PACKSSDWirm, 0 },
1299 { X86::MMX_PACKSSWBirr, X86::MMX_PACKSSWBirm, 0 },
1300 { X86::MMX_PACKUSWBirr, X86::MMX_PACKUSWBirm, 0 },
1301 { X86::MMX_PADDBirr, X86::MMX_PADDBirm, 0 },
1302 { X86::MMX_PADDDirr, X86::MMX_PADDDirm, 0 },
1303 { X86::MMX_PADDQirr, X86::MMX_PADDQirm, 0 },
1304 { X86::MMX_PADDSBirr, X86::MMX_PADDSBirm, 0 },
1305 { X86::MMX_PADDSWirr, X86::MMX_PADDSWirm, 0 },
1306 { X86::MMX_PADDUSBirr, X86::MMX_PADDUSBirm, 0 },
1307 { X86::MMX_PADDUSWirr, X86::MMX_PADDUSWirm, 0 },
1308 { X86::MMX_PADDWirr, X86::MMX_PADDWirm, 0 },
1309 { X86::MMX_PALIGNR64irr, X86::MMX_PALIGNR64irm, 0 },
1310 { X86::MMX_PANDNirr, X86::MMX_PANDNirm, 0 },
1311 { X86::MMX_PANDirr, X86::MMX_PANDirm, 0 },
1312 { X86::MMX_PAVGBirr, X86::MMX_PAVGBirm, 0 },
1313 { X86::MMX_PAVGWirr, X86::MMX_PAVGWirm, 0 },
1314 { X86::MMX_PCMPEQBirr, X86::MMX_PCMPEQBirm, 0 },
1315 { X86::MMX_PCMPEQDirr, X86::MMX_PCMPEQDirm, 0 },
1316 { X86::MMX_PCMPEQWirr, X86::MMX_PCMPEQWirm, 0 },
1317 { X86::MMX_PCMPGTBirr, X86::MMX_PCMPGTBirm, 0 },
1318 { X86::MMX_PCMPGTDirr, X86::MMX_PCMPGTDirm, 0 },
1319 { X86::MMX_PCMPGTWirr, X86::MMX_PCMPGTWirm, 0 },
1320 { X86::MMX_PHADDSWrr64, X86::MMX_PHADDSWrm64, 0 },
1321 { X86::MMX_PHADDWrr64, X86::MMX_PHADDWrm64, 0 },
1322 { X86::MMX_PHADDrr64, X86::MMX_PHADDrm64, 0 },
1323 { X86::MMX_PHSUBDrr64, X86::MMX_PHSUBDrm64, 0 },
1324 { X86::MMX_PHSUBSWrr64, X86::MMX_PHSUBSWrm64, 0 },
1325 { X86::MMX_PHSUBWrr64, X86::MMX_PHSUBWrm64, 0 },
1326 { X86::MMX_PINSRWirri, X86::MMX_PINSRWirmi, 0 },
1327 { X86::MMX_PMADDUBSWrr64, X86::MMX_PMADDUBSWrm64, 0 },
1328 { X86::MMX_PMADDWDirr, X86::MMX_PMADDWDirm, 0 },
1329 { X86::MMX_PMAXSWirr, X86::MMX_PMAXSWirm, 0 },
1330 { X86::MMX_PMAXUBirr, X86::MMX_PMAXUBirm, 0 },
1331 { X86::MMX_PMINSWirr, X86::MMX_PMINSWirm, 0 },
1332 { X86::MMX_PMINUBirr, X86::MMX_PMINUBirm, 0 },
1333 { X86::MMX_PMULHRSWrr64, X86::MMX_PMULHRSWrm64, 0 },
1334 { X86::MMX_PMULHUWirr, X86::MMX_PMULHUWirm, 0 },
1335 { X86::MMX_PMULHWirr, X86::MMX_PMULHWirm, 0 },
1336 { X86::MMX_PMULLWirr, X86::MMX_PMULLWirm, 0 },
1337 { X86::MMX_PMULUDQirr, X86::MMX_PMULUDQirm, 0 },
1338 { X86::MMX_PORirr, X86::MMX_PORirm, 0 },
1339 { X86::MMX_PSADBWirr, X86::MMX_PSADBWirm, 0 },
1340 { X86::MMX_PSHUFBrr64, X86::MMX_PSHUFBrm64, 0 },
1341 { X86::MMX_PSIGNBrr64, X86::MMX_PSIGNBrm64, 0 },
1342 { X86::MMX_PSIGNDrr64, X86::MMX_PSIGNDrm64, 0 },
1343 { X86::MMX_PSIGNWrr64, X86::MMX_PSIGNWrm64, 0 },
1344 { X86::MMX_PSLLDrr, X86::MMX_PSLLDrm, 0 },
1345 { X86::MMX_PSLLQrr, X86::MMX_PSLLQrm, 0 },
1346 { X86::MMX_PSLLWrr, X86::MMX_PSLLWrm, 0 },
1347 { X86::MMX_PSRADrr, X86::MMX_PSRADrm, 0 },
1348 { X86::MMX_PSRAWrr, X86::MMX_PSRAWrm, 0 },
1349 { X86::MMX_PSRLDrr, X86::MMX_PSRLDrm, 0 },
1350 { X86::MMX_PSRLQrr, X86::MMX_PSRLQrm, 0 },
1351 { X86::MMX_PSRLWrr, X86::MMX_PSRLWrm, 0 },
1352 { X86::MMX_PSUBBirr, X86::MMX_PSUBBirm, 0 },
1353 { X86::MMX_PSUBDirr, X86::MMX_PSUBDirm, 0 },
1354 { X86::MMX_PSUBQirr, X86::MMX_PSUBQirm, 0 },
1355 { X86::MMX_PSUBSBirr, X86::MMX_PSUBSBirm, 0 },
1356 { X86::MMX_PSUBSWirr, X86::MMX_PSUBSWirm, 0 },
1357 { X86::MMX_PSUBUSBirr, X86::MMX_PSUBUSBirm, 0 },
1358 { X86::MMX_PSUBUSWirr, X86::MMX_PSUBUSWirm, 0 },
1359 { X86::MMX_PSUBWirr, X86::MMX_PSUBWirm, 0 },
1360 { X86::MMX_PUNPCKHBWirr, X86::MMX_PUNPCKHBWirm, 0 },
1361 { X86::MMX_PUNPCKHDQirr, X86::MMX_PUNPCKHDQirm, 0 },
1362 { X86::MMX_PUNPCKHWDirr, X86::MMX_PUNPCKHWDirm, 0 },
1363 { X86::MMX_PUNPCKLBWirr, X86::MMX_PUNPCKLBWirm, 0 },
1364 { X86::MMX_PUNPCKLDQirr, X86::MMX_PUNPCKLDQirm, 0 },
1365 { X86::MMX_PUNPCKLWDirr, X86::MMX_PUNPCKLWDirm, 0 },
1366 { X86::MMX_PXORirr, X86::MMX_PXORirm, 0 },
1367
1368 // 3DNow! version of foldable instructions
1369 { X86::PAVGUSBrr, X86::PAVGUSBrm, 0 },
1370 { X86::PFACCrr, X86::PFACCrm, 0 },
1371 { X86::PFADDrr, X86::PFADDrm, 0 },
1372 { X86::PFCMPEQrr, X86::PFCMPEQrm, 0 },
1373 { X86::PFCMPGErr, X86::PFCMPGErm, 0 },
1374 { X86::PFCMPGTrr, X86::PFCMPGTrm, 0 },
1375 { X86::PFMAXrr, X86::PFMAXrm, 0 },
1376 { X86::PFMINrr, X86::PFMINrm, 0 },
1377 { X86::PFMULrr, X86::PFMULrm, 0 },
1378 { X86::PFNACCrr, X86::PFNACCrm, 0 },
1379 { X86::PFPNACCrr, X86::PFPNACCrm, 0 },
1380 { X86::PFRCPIT1rr, X86::PFRCPIT1rm, 0 },
1381 { X86::PFRCPIT2rr, X86::PFRCPIT2rm, 0 },
1382 { X86::PFRSQIT1rr, X86::PFRSQIT1rm, 0 },
1383 { X86::PFSUBrr, X86::PFSUBrm, 0 },
1384 { X86::PFSUBRrr, X86::PFSUBRrm, 0 },
1385 { X86::PMULHRWrr, X86::PMULHRWrm, 0 },
1386
1387 // AVX 128-bit versions of foldable instructions
1388 { X86::VCVTSI2SD64rr, X86::VCVTSI2SD64rm, 0 },
1389 { X86::Int_VCVTSI2SD64rr, X86::Int_VCVTSI2SD64rm, 0 },
1390 { X86::VCVTSI2SDrr, X86::VCVTSI2SDrm, 0 },
1391 { X86::Int_VCVTSI2SDrr, X86::Int_VCVTSI2SDrm, 0 },
1392 { X86::VCVTSI2SS64rr, X86::VCVTSI2SS64rm, 0 },
1393 { X86::Int_VCVTSI2SS64rr, X86::Int_VCVTSI2SS64rm, 0 },
1394 { X86::VCVTSI2SSrr, X86::VCVTSI2SSrm, 0 },
1395 { X86::Int_VCVTSI2SSrr, X86::Int_VCVTSI2SSrm, 0 },
1396 { X86::VADDPDrr, X86::VADDPDrm, 0 },
1397 { X86::VADDPSrr, X86::VADDPSrm, 0 },
1398 { X86::VADDSDrr, X86::VADDSDrm, 0 },
1399 { X86::VADDSDrr_Int, X86::VADDSDrm_Int, TB_NO_REVERSE },
1400 { X86::VADDSSrr, X86::VADDSSrm, 0 },
1401 { X86::VADDSSrr_Int, X86::VADDSSrm_Int, TB_NO_REVERSE },
1402 { X86::VADDSUBPDrr, X86::VADDSUBPDrm, 0 },
1403 { X86::VADDSUBPSrr, X86::VADDSUBPSrm, 0 },
1404 { X86::VANDNPDrr, X86::VANDNPDrm, 0 },
1405 { X86::VANDNPSrr, X86::VANDNPSrm, 0 },
1406 { X86::VANDPDrr, X86::VANDPDrm, 0 },
1407 { X86::VANDPSrr, X86::VANDPSrm, 0 },
1408 { X86::VBLENDPDrri, X86::VBLENDPDrmi, 0 },
1409 { X86::VBLENDPSrri, X86::VBLENDPSrmi, 0 },
1410 { X86::VBLENDVPDrr, X86::VBLENDVPDrm, 0 },
1411 { X86::VBLENDVPSrr, X86::VBLENDVPSrm, 0 },
1412 { X86::VCMPPDrri, X86::VCMPPDrmi, 0 },
1413 { X86::VCMPPSrri, X86::VCMPPSrmi, 0 },
1414 { X86::VCMPSDrr, X86::VCMPSDrm, 0 },
1415 { X86::VCMPSSrr, X86::VCMPSSrm, 0 },
1416 { X86::VDIVPDrr, X86::VDIVPDrm, 0 },
1417 { X86::VDIVPSrr, X86::VDIVPSrm, 0 },
1418 { X86::VDIVSDrr, X86::VDIVSDrm, 0 },
1419 { X86::VDIVSDrr_Int, X86::VDIVSDrm_Int, TB_NO_REVERSE },
1420 { X86::VDIVSSrr, X86::VDIVSSrm, 0 },
1421 { X86::VDIVSSrr_Int, X86::VDIVSSrm_Int, TB_NO_REVERSE },
1422 { X86::VDPPDrri, X86::VDPPDrmi, 0 },
1423 { X86::VDPPSrri, X86::VDPPSrmi, 0 },
1424 { X86::VHADDPDrr, X86::VHADDPDrm, 0 },
1425 { X86::VHADDPSrr, X86::VHADDPSrm, 0 },
1426 { X86::VHSUBPDrr, X86::VHSUBPDrm, 0 },
1427 { X86::VHSUBPSrr, X86::VHSUBPSrm, 0 },
1428 { X86::Int_VCMPSDrr, X86::Int_VCMPSDrm, TB_NO_REVERSE },
1429 { X86::Int_VCMPSSrr, X86::Int_VCMPSSrm, TB_NO_REVERSE },
1430 { X86::VMAXCPDrr, X86::VMAXCPDrm, 0 },
1431 { X86::VMAXCPSrr, X86::VMAXCPSrm, 0 },
1432 { X86::VMAXCSDrr, X86::VMAXCSDrm, 0 },
1433 { X86::VMAXCSSrr, X86::VMAXCSSrm, 0 },
1434 { X86::VMAXPDrr, X86::VMAXPDrm, 0 },
1435 { X86::VMAXPSrr, X86::VMAXPSrm, 0 },
1436 { X86::VMAXSDrr, X86::VMAXSDrm, 0 },
1437 { X86::VMAXSDrr_Int, X86::VMAXSDrm_Int, TB_NO_REVERSE },
1438 { X86::VMAXSSrr, X86::VMAXSSrm, 0 },
1439 { X86::VMAXSSrr_Int, X86::VMAXSSrm_Int, TB_NO_REVERSE },
1440 { X86::VMINCPDrr, X86::VMINCPDrm, 0 },
1441 { X86::VMINCPSrr, X86::VMINCPSrm, 0 },
1442 { X86::VMINCSDrr, X86::VMINCSDrm, 0 },
1443 { X86::VMINCSSrr, X86::VMINCSSrm, 0 },
1444 { X86::VMINPDrr, X86::VMINPDrm, 0 },
1445 { X86::VMINPSrr, X86::VMINPSrm, 0 },
1446 { X86::VMINSDrr, X86::VMINSDrm, 0 },
1447 { X86::VMINSDrr_Int, X86::VMINSDrm_Int, TB_NO_REVERSE },
1448 { X86::VMINSSrr, X86::VMINSSrm, 0 },
1449 { X86::VMINSSrr_Int, X86::VMINSSrm_Int, TB_NO_REVERSE },
1450 { X86::VMOVLHPSrr, X86::VMOVHPSrm, TB_NO_REVERSE },
1451 { X86::VMPSADBWrri, X86::VMPSADBWrmi, 0 },
1452 { X86::VMULPDrr, X86::VMULPDrm, 0 },
1453 { X86::VMULPSrr, X86::VMULPSrm, 0 },
1454 { X86::VMULSDrr, X86::VMULSDrm, 0 },
1455 { X86::VMULSDrr_Int, X86::VMULSDrm_Int, TB_NO_REVERSE },
1456 { X86::VMULSSrr, X86::VMULSSrm, 0 },
1457 { X86::VMULSSrr_Int, X86::VMULSSrm_Int, TB_NO_REVERSE },
1458 { X86::VORPDrr, X86::VORPDrm, 0 },
1459 { X86::VORPSrr, X86::VORPSrm, 0 },
1460 { X86::VPACKSSDWrr, X86::VPACKSSDWrm, 0 },
1461 { X86::VPACKSSWBrr, X86::VPACKSSWBrm, 0 },
1462 { X86::VPACKUSDWrr, X86::VPACKUSDWrm, 0 },
1463 { X86::VPACKUSWBrr, X86::VPACKUSWBrm, 0 },
1464 { X86::VPADDBrr, X86::VPADDBrm, 0 },
1465 { X86::VPADDDrr, X86::VPADDDrm, 0 },
1466 { X86::VPADDQrr, X86::VPADDQrm, 0 },
1467 { X86::VPADDSBrr, X86::VPADDSBrm, 0 },
1468 { X86::VPADDSWrr, X86::VPADDSWrm, 0 },
1469 { X86::VPADDUSBrr, X86::VPADDUSBrm, 0 },
1470 { X86::VPADDUSWrr, X86::VPADDUSWrm, 0 },
1471 { X86::VPADDWrr, X86::VPADDWrm, 0 },
1472 { X86::VPALIGNRrri, X86::VPALIGNRrmi, 0 },
1473 { X86::VPANDNrr, X86::VPANDNrm, 0 },
1474 { X86::VPANDrr, X86::VPANDrm, 0 },
1475 { X86::VPAVGBrr, X86::VPAVGBrm, 0 },
1476 { X86::VPAVGWrr, X86::VPAVGWrm, 0 },
1477 { X86::VPBLENDVBrr, X86::VPBLENDVBrm, 0 },
1478 { X86::VPBLENDWrri, X86::VPBLENDWrmi, 0 },
1479 { X86::VPCLMULQDQrr, X86::VPCLMULQDQrm, 0 },
1480 { X86::VPCMPEQBrr, X86::VPCMPEQBrm, 0 },
1481 { X86::VPCMPEQDrr, X86::VPCMPEQDrm, 0 },
1482 { X86::VPCMPEQQrr, X86::VPCMPEQQrm, 0 },
1483 { X86::VPCMPEQWrr, X86::VPCMPEQWrm, 0 },
1484 { X86::VPCMPGTBrr, X86::VPCMPGTBrm, 0 },
1485 { X86::VPCMPGTDrr, X86::VPCMPGTDrm, 0 },
1486 { X86::VPCMPGTQrr, X86::VPCMPGTQrm, 0 },
1487 { X86::VPCMPGTWrr, X86::VPCMPGTWrm, 0 },
1488 { X86::VPHADDDrr, X86::VPHADDDrm, 0 },
1489 { X86::VPHADDSWrr128, X86::VPHADDSWrm128, 0 },
1490 { X86::VPHADDWrr, X86::VPHADDWrm, 0 },
1491 { X86::VPHSUBDrr, X86::VPHSUBDrm, 0 },
1492 { X86::VPHSUBSWrr128, X86::VPHSUBSWrm128, 0 },
1493 { X86::VPHSUBWrr, X86::VPHSUBWrm, 0 },
1494 { X86::VPERMILPDrr, X86::VPERMILPDrm, 0 },
1495 { X86::VPERMILPSrr, X86::VPERMILPSrm, 0 },
1496 { X86::VPINSRBrr, X86::VPINSRBrm, 0 },
1497 { X86::VPINSRDrr, X86::VPINSRDrm, 0 },
1498 { X86::VPINSRQrr, X86::VPINSRQrm, 0 },
1499 { X86::VPINSRWrri, X86::VPINSRWrmi, 0 },
1500 { X86::VPMADDUBSWrr, X86::VPMADDUBSWrm, 0 },
1501 { X86::VPMADDWDrr, X86::VPMADDWDrm, 0 },
1502 { X86::VPMAXSBrr, X86::VPMAXSBrm, 0 },
1503 { X86::VPMAXSDrr, X86::VPMAXSDrm, 0 },
1504 { X86::VPMAXSWrr, X86::VPMAXSWrm, 0 },
1505 { X86::VPMAXUBrr, X86::VPMAXUBrm, 0 },
1506 { X86::VPMAXUDrr, X86::VPMAXUDrm, 0 },
1507 { X86::VPMAXUWrr, X86::VPMAXUWrm, 0 },
1508 { X86::VPMINSBrr, X86::VPMINSBrm, 0 },
1509 { X86::VPMINSDrr, X86::VPMINSDrm, 0 },
1510 { X86::VPMINSWrr, X86::VPMINSWrm, 0 },
1511 { X86::VPMINUBrr, X86::VPMINUBrm, 0 },
1512 { X86::VPMINUDrr, X86::VPMINUDrm, 0 },
1513 { X86::VPMINUWrr, X86::VPMINUWrm, 0 },
1514 { X86::VPMULDQrr, X86::VPMULDQrm, 0 },
1515 { X86::VPMULHRSWrr, X86::VPMULHRSWrm, 0 },
1516 { X86::VPMULHUWrr, X86::VPMULHUWrm, 0 },
1517 { X86::VPMULHWrr, X86::VPMULHWrm, 0 },
1518 { X86::VPMULLDrr, X86::VPMULLDrm, 0 },
1519 { X86::VPMULLWrr, X86::VPMULLWrm, 0 },
1520 { X86::VPMULUDQrr, X86::VPMULUDQrm, 0 },
1521 { X86::VPORrr, X86::VPORrm, 0 },
1522 { X86::VPSADBWrr, X86::VPSADBWrm, 0 },
1523 { X86::VPSHUFBrr, X86::VPSHUFBrm, 0 },
1524 { X86::VPSIGNBrr128, X86::VPSIGNBrm128, 0 },
1525 { X86::VPSIGNWrr128, X86::VPSIGNWrm128, 0 },
1526 { X86::VPSIGNDrr128, X86::VPSIGNDrm128, 0 },
1527 { X86::VPSLLDrr, X86::VPSLLDrm, 0 },
1528 { X86::VPSLLQrr, X86::VPSLLQrm, 0 },
1529 { X86::VPSLLWrr, X86::VPSLLWrm, 0 },
1530 { X86::VPSRADrr, X86::VPSRADrm, 0 },
1531 { X86::VPSRAWrr, X86::VPSRAWrm, 0 },
1532 { X86::VPSRLDrr, X86::VPSRLDrm, 0 },
1533 { X86::VPSRLQrr, X86::VPSRLQrm, 0 },
1534 { X86::VPSRLWrr, X86::VPSRLWrm, 0 },
1535 { X86::VPSUBBrr, X86::VPSUBBrm, 0 },
1536 { X86::VPSUBDrr, X86::VPSUBDrm, 0 },
1537 { X86::VPSUBQrr, X86::VPSUBQrm, 0 },
1538 { X86::VPSUBSBrr, X86::VPSUBSBrm, 0 },
1539 { X86::VPSUBSWrr, X86::VPSUBSWrm, 0 },
1540 { X86::VPSUBUSBrr, X86::VPSUBUSBrm, 0 },
1541 { X86::VPSUBUSWrr, X86::VPSUBUSWrm, 0 },
1542 { X86::VPSUBWrr, X86::VPSUBWrm, 0 },
1543 { X86::VPUNPCKHBWrr, X86::VPUNPCKHBWrm, 0 },
1544 { X86::VPUNPCKHDQrr, X86::VPUNPCKHDQrm, 0 },
1545 { X86::VPUNPCKHQDQrr, X86::VPUNPCKHQDQrm, 0 },
1546 { X86::VPUNPCKHWDrr, X86::VPUNPCKHWDrm, 0 },
1547 { X86::VPUNPCKLBWrr, X86::VPUNPCKLBWrm, 0 },
1548 { X86::VPUNPCKLDQrr, X86::VPUNPCKLDQrm, 0 },
1549 { X86::VPUNPCKLQDQrr, X86::VPUNPCKLQDQrm, 0 },
1550 { X86::VPUNPCKLWDrr, X86::VPUNPCKLWDrm, 0 },
1551 { X86::VPXORrr, X86::VPXORrm, 0 },
1552 { X86::VRCPSSr, X86::VRCPSSm, 0 },
1553 { X86::VRCPSSr_Int, X86::VRCPSSm_Int, TB_NO_REVERSE },
1554 { X86::VRSQRTSSr, X86::VRSQRTSSm, 0 },
1555 { X86::VRSQRTSSr_Int, X86::VRSQRTSSm_Int, TB_NO_REVERSE },
1556 { X86::VROUNDSDr, X86::VROUNDSDm, 0 },
1557 { X86::VROUNDSDr_Int, X86::VROUNDSDm_Int, TB_NO_REVERSE },
1558 { X86::VROUNDSSr, X86::VROUNDSSm, 0 },
1559 { X86::VROUNDSSr_Int, X86::VROUNDSSm_Int, TB_NO_REVERSE },
1560 { X86::VSHUFPDrri, X86::VSHUFPDrmi, 0 },
1561 { X86::VSHUFPSrri, X86::VSHUFPSrmi, 0 },
1562 { X86::VSQRTSDr, X86::VSQRTSDm, 0 },
1563 { X86::VSQRTSDr_Int, X86::VSQRTSDm_Int, TB_NO_REVERSE },
1564 { X86::VSQRTSSr, X86::VSQRTSSm, 0 },
1565 { X86::VSQRTSSr_Int, X86::VSQRTSSm_Int, TB_NO_REVERSE },
1566 { X86::VSUBPDrr, X86::VSUBPDrm, 0 },
1567 { X86::VSUBPSrr, X86::VSUBPSrm, 0 },
1568 { X86::VSUBSDrr, X86::VSUBSDrm, 0 },
1569 { X86::VSUBSDrr_Int, X86::VSUBSDrm_Int, TB_NO_REVERSE },
1570 { X86::VSUBSSrr, X86::VSUBSSrm, 0 },
1571 { X86::VSUBSSrr_Int, X86::VSUBSSrm_Int, TB_NO_REVERSE },
1572 { X86::VUNPCKHPDrr, X86::VUNPCKHPDrm, 0 },
1573 { X86::VUNPCKHPSrr, X86::VUNPCKHPSrm, 0 },
1574 { X86::VUNPCKLPDrr, X86::VUNPCKLPDrm, 0 },
1575 { X86::VUNPCKLPSrr, X86::VUNPCKLPSrm, 0 },
1576 { X86::VXORPDrr, X86::VXORPDrm, 0 },
1577 { X86::VXORPSrr, X86::VXORPSrm, 0 },
1578
1579 // AVX 256-bit foldable instructions
1580 { X86::VADDPDYrr, X86::VADDPDYrm, 0 },
1581 { X86::VADDPSYrr, X86::VADDPSYrm, 0 },
1582 { X86::VADDSUBPDYrr, X86::VADDSUBPDYrm, 0 },
1583 { X86::VADDSUBPSYrr, X86::VADDSUBPSYrm, 0 },
1584 { X86::VANDNPDYrr, X86::VANDNPDYrm, 0 },
1585 { X86::VANDNPSYrr, X86::VANDNPSYrm, 0 },
1586 { X86::VANDPDYrr, X86::VANDPDYrm, 0 },
1587 { X86::VANDPSYrr, X86::VANDPSYrm, 0 },
1588 { X86::VBLENDPDYrri, X86::VBLENDPDYrmi, 0 },
1589 { X86::VBLENDPSYrri, X86::VBLENDPSYrmi, 0 },
1590 { X86::VBLENDVPDYrr, X86::VBLENDVPDYrm, 0 },
1591 { X86::VBLENDVPSYrr, X86::VBLENDVPSYrm, 0 },
1592 { X86::VCMPPDYrri, X86::VCMPPDYrmi, 0 },
1593 { X86::VCMPPSYrri, X86::VCMPPSYrmi, 0 },
1594 { X86::VDIVPDYrr, X86::VDIVPDYrm, 0 },
1595 { X86::VDIVPSYrr, X86::VDIVPSYrm, 0 },
1596 { X86::VDPPSYrri, X86::VDPPSYrmi, 0 },
1597 { X86::VHADDPDYrr, X86::VHADDPDYrm, 0 },
1598 { X86::VHADDPSYrr, X86::VHADDPSYrm, 0 },
1599 { X86::VHSUBPDYrr, X86::VHSUBPDYrm, 0 },
1600 { X86::VHSUBPSYrr, X86::VHSUBPSYrm, 0 },
1601 { X86::VINSERTF128rr, X86::VINSERTF128rm, 0 },
1602 { X86::VMAXCPDYrr, X86::VMAXCPDYrm, 0 },
1603 { X86::VMAXCPSYrr, X86::VMAXCPSYrm, 0 },
1604 { X86::VMAXPDYrr, X86::VMAXPDYrm, 0 },
1605 { X86::VMAXPSYrr, X86::VMAXPSYrm, 0 },
1606 { X86::VMINCPDYrr, X86::VMINCPDYrm, 0 },
1607 { X86::VMINCPSYrr, X86::VMINCPSYrm, 0 },
1608 { X86::VMINPDYrr, X86::VMINPDYrm, 0 },
1609 { X86::VMINPSYrr, X86::VMINPSYrm, 0 },
1610 { X86::VMULPDYrr, X86::VMULPDYrm, 0 },
1611 { X86::VMULPSYrr, X86::VMULPSYrm, 0 },
1612 { X86::VORPDYrr, X86::VORPDYrm, 0 },
1613 { X86::VORPSYrr, X86::VORPSYrm, 0 },
1614 { X86::VPERM2F128rr, X86::VPERM2F128rm, 0 },
1615 { X86::VPERMILPDYrr, X86::VPERMILPDYrm, 0 },
1616 { X86::VPERMILPSYrr, X86::VPERMILPSYrm, 0 },
1617 { X86::VSHUFPDYrri, X86::VSHUFPDYrmi, 0 },
1618 { X86::VSHUFPSYrri, X86::VSHUFPSYrmi, 0 },
1619 { X86::VSUBPDYrr, X86::VSUBPDYrm, 0 },
1620 { X86::VSUBPSYrr, X86::VSUBPSYrm, 0 },
1621 { X86::VUNPCKHPDYrr, X86::VUNPCKHPDYrm, 0 },
1622 { X86::VUNPCKHPSYrr, X86::VUNPCKHPSYrm, 0 },
1623 { X86::VUNPCKLPDYrr, X86::VUNPCKLPDYrm, 0 },
1624 { X86::VUNPCKLPSYrr, X86::VUNPCKLPSYrm, 0 },
1625 { X86::VXORPDYrr, X86::VXORPDYrm, 0 },
1626 { X86::VXORPSYrr, X86::VXORPSYrm, 0 },
1627
1628 // AVX2 foldable instructions
1629 { X86::VINSERTI128rr, X86::VINSERTI128rm, 0 },
1630 { X86::VPACKSSDWYrr, X86::VPACKSSDWYrm, 0 },
1631 { X86::VPACKSSWBYrr, X86::VPACKSSWBYrm, 0 },
1632 { X86::VPACKUSDWYrr, X86::VPACKUSDWYrm, 0 },
1633 { X86::VPACKUSWBYrr, X86::VPACKUSWBYrm, 0 },
1634 { X86::VPADDBYrr, X86::VPADDBYrm, 0 },
1635 { X86::VPADDDYrr, X86::VPADDDYrm, 0 },
1636 { X86::VPADDQYrr, X86::VPADDQYrm, 0 },
1637 { X86::VPADDSBYrr, X86::VPADDSBYrm, 0 },
1638 { X86::VPADDSWYrr, X86::VPADDSWYrm, 0 },
1639 { X86::VPADDUSBYrr, X86::VPADDUSBYrm, 0 },
1640 { X86::VPADDUSWYrr, X86::VPADDUSWYrm, 0 },
1641 { X86::VPADDWYrr, X86::VPADDWYrm, 0 },
1642 { X86::VPALIGNRYrri, X86::VPALIGNRYrmi, 0 },
1643 { X86::VPANDNYrr, X86::VPANDNYrm, 0 },
1644 { X86::VPANDYrr, X86::VPANDYrm, 0 },
1645 { X86::VPAVGBYrr, X86::VPAVGBYrm, 0 },
1646 { X86::VPAVGWYrr, X86::VPAVGWYrm, 0 },
1647 { X86::VPBLENDDrri, X86::VPBLENDDrmi, 0 },
1648 { X86::VPBLENDDYrri, X86::VPBLENDDYrmi, 0 },
1649 { X86::VPBLENDVBYrr, X86::VPBLENDVBYrm, 0 },
1650 { X86::VPBLENDWYrri, X86::VPBLENDWYrmi, 0 },
1651 { X86::VPCMPEQBYrr, X86::VPCMPEQBYrm, 0 },
1652 { X86::VPCMPEQDYrr, X86::VPCMPEQDYrm, 0 },
1653 { X86::VPCMPEQQYrr, X86::VPCMPEQQYrm, 0 },
1654 { X86::VPCMPEQWYrr, X86::VPCMPEQWYrm, 0 },
1655 { X86::VPCMPGTBYrr, X86::VPCMPGTBYrm, 0 },
1656 { X86::VPCMPGTDYrr, X86::VPCMPGTDYrm, 0 },
1657 { X86::VPCMPGTQYrr, X86::VPCMPGTQYrm, 0 },
1658 { X86::VPCMPGTWYrr, X86::VPCMPGTWYrm, 0 },
1659 { X86::VPERM2I128rr, X86::VPERM2I128rm, 0 },
1660 { X86::VPERMDYrr, X86::VPERMDYrm, 0 },
1661 { X86::VPERMPSYrr, X86::VPERMPSYrm, 0 },
1662 { X86::VPHADDDYrr, X86::VPHADDDYrm, 0 },
1663 { X86::VPHADDSWrr256, X86::VPHADDSWrm256, 0 },
1664 { X86::VPHADDWYrr, X86::VPHADDWYrm, 0 },
1665 { X86::VPHSUBDYrr, X86::VPHSUBDYrm, 0 },
1666 { X86::VPHSUBSWrr256, X86::VPHSUBSWrm256, 0 },
1667 { X86::VPHSUBWYrr, X86::VPHSUBWYrm, 0 },
1668 { X86::VPMADDUBSWYrr, X86::VPMADDUBSWYrm, 0 },
1669 { X86::VPMADDWDYrr, X86::VPMADDWDYrm, 0 },
1670 { X86::VPMAXSBYrr, X86::VPMAXSBYrm, 0 },
1671 { X86::VPMAXSDYrr, X86::VPMAXSDYrm, 0 },
1672 { X86::VPMAXSWYrr, X86::VPMAXSWYrm, 0 },
1673 { X86::VPMAXUBYrr, X86::VPMAXUBYrm, 0 },
1674 { X86::VPMAXUDYrr, X86::VPMAXUDYrm, 0 },
1675 { X86::VPMAXUWYrr, X86::VPMAXUWYrm, 0 },
1676 { X86::VPMINSBYrr, X86::VPMINSBYrm, 0 },
1677 { X86::VPMINSDYrr, X86::VPMINSDYrm, 0 },
1678 { X86::VPMINSWYrr, X86::VPMINSWYrm, 0 },
1679 { X86::VPMINUBYrr, X86::VPMINUBYrm, 0 },
1680 { X86::VPMINUDYrr, X86::VPMINUDYrm, 0 },
1681 { X86::VPMINUWYrr, X86::VPMINUWYrm, 0 },
1682 { X86::VMPSADBWYrri, X86::VMPSADBWYrmi, 0 },
1683 { X86::VPMULDQYrr, X86::VPMULDQYrm, 0 },
1684 { X86::VPMULHRSWYrr, X86::VPMULHRSWYrm, 0 },
1685 { X86::VPMULHUWYrr, X86::VPMULHUWYrm, 0 },
1686 { X86::VPMULHWYrr, X86::VPMULHWYrm, 0 },
1687 { X86::VPMULLDYrr, X86::VPMULLDYrm, 0 },
1688 { X86::VPMULLWYrr, X86::VPMULLWYrm, 0 },
1689 { X86::VPMULUDQYrr, X86::VPMULUDQYrm, 0 },
1690 { X86::VPORYrr, X86::VPORYrm, 0 },
1691 { X86::VPSADBWYrr, X86::VPSADBWYrm, 0 },
1692 { X86::VPSHUFBYrr, X86::VPSHUFBYrm, 0 },
1693 { X86::VPSIGNBYrr256, X86::VPSIGNBYrm256, 0 },
1694 { X86::VPSIGNWYrr256, X86::VPSIGNWYrm256, 0 },
1695 { X86::VPSIGNDYrr256, X86::VPSIGNDYrm256, 0 },
1696 { X86::VPSLLDYrr, X86::VPSLLDYrm, 0 },
1697 { X86::VPSLLQYrr, X86::VPSLLQYrm, 0 },
1698 { X86::VPSLLWYrr, X86::VPSLLWYrm, 0 },
1699 { X86::VPSLLVDrr, X86::VPSLLVDrm, 0 },
1700 { X86::VPSLLVDYrr, X86::VPSLLVDYrm, 0 },
1701 { X86::VPSLLVQrr, X86::VPSLLVQrm, 0 },
1702 { X86::VPSLLVQYrr, X86::VPSLLVQYrm, 0 },
1703 { X86::VPSRADYrr, X86::VPSRADYrm, 0 },
1704 { X86::VPSRAWYrr, X86::VPSRAWYrm, 0 },
1705 { X86::VPSRAVDrr, X86::VPSRAVDrm, 0 },
1706 { X86::VPSRAVDYrr, X86::VPSRAVDYrm, 0 },
1707 { X86::VPSRLDYrr, X86::VPSRLDYrm, 0 },
1708 { X86::VPSRLQYrr, X86::VPSRLQYrm, 0 },
1709 { X86::VPSRLWYrr, X86::VPSRLWYrm, 0 },
1710 { X86::VPSRLVDrr, X86::VPSRLVDrm, 0 },
1711 { X86::VPSRLVDYrr, X86::VPSRLVDYrm, 0 },
1712 { X86::VPSRLVQrr, X86::VPSRLVQrm, 0 },
1713 { X86::VPSRLVQYrr, X86::VPSRLVQYrm, 0 },
1714 { X86::VPSUBBYrr, X86::VPSUBBYrm, 0 },
1715 { X86::VPSUBDYrr, X86::VPSUBDYrm, 0 },
1716 { X86::VPSUBQYrr, X86::VPSUBQYrm, 0 },
1717 { X86::VPSUBSBYrr, X86::VPSUBSBYrm, 0 },
1718 { X86::VPSUBSWYrr, X86::VPSUBSWYrm, 0 },
1719 { X86::VPSUBUSBYrr, X86::VPSUBUSBYrm, 0 },
1720 { X86::VPSUBUSWYrr, X86::VPSUBUSWYrm, 0 },
1721 { X86::VPSUBWYrr, X86::VPSUBWYrm, 0 },
1722 { X86::VPUNPCKHBWYrr, X86::VPUNPCKHBWYrm, 0 },
1723 { X86::VPUNPCKHDQYrr, X86::VPUNPCKHDQYrm, 0 },
1724 { X86::VPUNPCKHQDQYrr, X86::VPUNPCKHQDQYrm, 0 },
1725 { X86::VPUNPCKHWDYrr, X86::VPUNPCKHWDYrm, 0 },
1726 { X86::VPUNPCKLBWYrr, X86::VPUNPCKLBWYrm, 0 },
1727 { X86::VPUNPCKLDQYrr, X86::VPUNPCKLDQYrm, 0 },
1728 { X86::VPUNPCKLQDQYrr, X86::VPUNPCKLQDQYrm, 0 },
1729 { X86::VPUNPCKLWDYrr, X86::VPUNPCKLWDYrm, 0 },
1730 { X86::VPXORYrr, X86::VPXORYrm, 0 },
1731
1732 // FMA4 foldable patterns
1733 { X86::VFMADDSS4rr, X86::VFMADDSS4mr, TB_ALIGN_NONE },
1734 { X86::VFMADDSS4rr_Int, X86::VFMADDSS4mr_Int, TB_NO_REVERSE },
1735 { X86::VFMADDSD4rr, X86::VFMADDSD4mr, TB_ALIGN_NONE },
1736 { X86::VFMADDSD4rr_Int, X86::VFMADDSD4mr_Int, TB_NO_REVERSE },
1737 { X86::VFMADDPS4rr, X86::VFMADDPS4mr, TB_ALIGN_NONE },
1738 { X86::VFMADDPD4rr, X86::VFMADDPD4mr, TB_ALIGN_NONE },
1739 { X86::VFMADDPS4Yrr, X86::VFMADDPS4Ymr, TB_ALIGN_NONE },
1740 { X86::VFMADDPD4Yrr, X86::VFMADDPD4Ymr, TB_ALIGN_NONE },
1741 { X86::VFNMADDSS4rr, X86::VFNMADDSS4mr, TB_ALIGN_NONE },
1742 { X86::VFNMADDSS4rr_Int, X86::VFNMADDSS4mr_Int, TB_NO_REVERSE },
1743 { X86::VFNMADDSD4rr, X86::VFNMADDSD4mr, TB_ALIGN_NONE },
1744 { X86::VFNMADDSD4rr_Int, X86::VFNMADDSD4mr_Int, TB_NO_REVERSE },
1745 { X86::VFNMADDPS4rr, X86::VFNMADDPS4mr, TB_ALIGN_NONE },
1746 { X86::VFNMADDPD4rr, X86::VFNMADDPD4mr, TB_ALIGN_NONE },
1747 { X86::VFNMADDPS4Yrr, X86::VFNMADDPS4Ymr, TB_ALIGN_NONE },
1748 { X86::VFNMADDPD4Yrr, X86::VFNMADDPD4Ymr, TB_ALIGN_NONE },
1749 { X86::VFMSUBSS4rr, X86::VFMSUBSS4mr, TB_ALIGN_NONE },
1750 { X86::VFMSUBSS4rr_Int, X86::VFMSUBSS4mr_Int, TB_NO_REVERSE },
1751 { X86::VFMSUBSD4rr, X86::VFMSUBSD4mr, TB_ALIGN_NONE },
1752 { X86::VFMSUBSD4rr_Int, X86::VFMSUBSD4mr_Int, TB_NO_REVERSE },
1753 { X86::VFMSUBPS4rr, X86::VFMSUBPS4mr, TB_ALIGN_NONE },
1754 { X86::VFMSUBPD4rr, X86::VFMSUBPD4mr, TB_ALIGN_NONE },
1755 { X86::VFMSUBPS4Yrr, X86::VFMSUBPS4Ymr, TB_ALIGN_NONE },
1756 { X86::VFMSUBPD4Yrr, X86::VFMSUBPD4Ymr, TB_ALIGN_NONE },
1757 { X86::VFNMSUBSS4rr, X86::VFNMSUBSS4mr, TB_ALIGN_NONE },
1758 { X86::VFNMSUBSS4rr_Int, X86::VFNMSUBSS4mr_Int, TB_NO_REVERSE },
1759 { X86::VFNMSUBSD4rr, X86::VFNMSUBSD4mr, TB_ALIGN_NONE },
1760 { X86::VFNMSUBSD4rr_Int, X86::VFNMSUBSD4mr_Int, TB_NO_REVERSE },
1761 { X86::VFNMSUBPS4rr, X86::VFNMSUBPS4mr, TB_ALIGN_NONE },
1762 { X86::VFNMSUBPD4rr, X86::VFNMSUBPD4mr, TB_ALIGN_NONE },
1763 { X86::VFNMSUBPS4Yrr, X86::VFNMSUBPS4Ymr, TB_ALIGN_NONE },
1764 { X86::VFNMSUBPD4Yrr, X86::VFNMSUBPD4Ymr, TB_ALIGN_NONE },
1765 { X86::VFMADDSUBPS4rr, X86::VFMADDSUBPS4mr, TB_ALIGN_NONE },
1766 { X86::VFMADDSUBPD4rr, X86::VFMADDSUBPD4mr, TB_ALIGN_NONE },
1767 { X86::VFMADDSUBPS4Yrr, X86::VFMADDSUBPS4Ymr, TB_ALIGN_NONE },
1768 { X86::VFMADDSUBPD4Yrr, X86::VFMADDSUBPD4Ymr, TB_ALIGN_NONE },
1769 { X86::VFMSUBADDPS4rr, X86::VFMSUBADDPS4mr, TB_ALIGN_NONE },
1770 { X86::VFMSUBADDPD4rr, X86::VFMSUBADDPD4mr, TB_ALIGN_NONE },
1771 { X86::VFMSUBADDPS4Yrr, X86::VFMSUBADDPS4Ymr, TB_ALIGN_NONE },
1772 { X86::VFMSUBADDPD4Yrr, X86::VFMSUBADDPD4Ymr, TB_ALIGN_NONE },
1773
1774 // XOP foldable instructions
1775 { X86::VPCMOVrrr, X86::VPCMOVrmr, 0 },
1776 { X86::VPCMOVYrrr, X86::VPCMOVYrmr, 0 },
1777 { X86::VPCOMBri, X86::VPCOMBmi, 0 },
1778 { X86::VPCOMDri, X86::VPCOMDmi, 0 },
1779 { X86::VPCOMQri, X86::VPCOMQmi, 0 },
1780 { X86::VPCOMWri, X86::VPCOMWmi, 0 },
1781 { X86::VPCOMUBri, X86::VPCOMUBmi, 0 },
1782 { X86::VPCOMUDri, X86::VPCOMUDmi, 0 },
1783 { X86::VPCOMUQri, X86::VPCOMUQmi, 0 },
1784 { X86::VPCOMUWri, X86::VPCOMUWmi, 0 },
1785 { X86::VPERMIL2PDrr, X86::VPERMIL2PDmr, 0 },
1786 { X86::VPERMIL2PDYrr, X86::VPERMIL2PDYmr, 0 },
1787 { X86::VPERMIL2PSrr, X86::VPERMIL2PSmr, 0 },
1788 { X86::VPERMIL2PSYrr, X86::VPERMIL2PSYmr, 0 },
1789 { X86::VPMACSDDrr, X86::VPMACSDDrm, 0 },
1790 { X86::VPMACSDQHrr, X86::VPMACSDQHrm, 0 },
1791 { X86::VPMACSDQLrr, X86::VPMACSDQLrm, 0 },
1792 { X86::VPMACSSDDrr, X86::VPMACSSDDrm, 0 },
1793 { X86::VPMACSSDQHrr, X86::VPMACSSDQHrm, 0 },
1794 { X86::VPMACSSDQLrr, X86::VPMACSSDQLrm, 0 },
1795 { X86::VPMACSSWDrr, X86::VPMACSSWDrm, 0 },
1796 { X86::VPMACSSWWrr, X86::VPMACSSWWrm, 0 },
1797 { X86::VPMACSWDrr, X86::VPMACSWDrm, 0 },
1798 { X86::VPMACSWWrr, X86::VPMACSWWrm, 0 },
1799 { X86::VPMADCSSWDrr, X86::VPMADCSSWDrm, 0 },
1800 { X86::VPMADCSWDrr, X86::VPMADCSWDrm, 0 },
1801 { X86::VPPERMrrr, X86::VPPERMrmr, 0 },
1802 { X86::VPROTBrr, X86::VPROTBrm, 0 },
1803 { X86::VPROTDrr, X86::VPROTDrm, 0 },
1804 { X86::VPROTQrr, X86::VPROTQrm, 0 },
1805 { X86::VPROTWrr, X86::VPROTWrm, 0 },
1806 { X86::VPSHABrr, X86::VPSHABrm, 0 },
1807 { X86::VPSHADrr, X86::VPSHADrm, 0 },
1808 { X86::VPSHAQrr, X86::VPSHAQrm, 0 },
1809 { X86::VPSHAWrr, X86::VPSHAWrm, 0 },
1810 { X86::VPSHLBrr, X86::VPSHLBrm, 0 },
1811 { X86::VPSHLDrr, X86::VPSHLDrm, 0 },
1812 { X86::VPSHLQrr, X86::VPSHLQrm, 0 },
1813 { X86::VPSHLWrr, X86::VPSHLWrm, 0 },
1814
1815 // BMI/BMI2 foldable instructions
1816 { X86::ANDN32rr, X86::ANDN32rm, 0 },
1817 { X86::ANDN64rr, X86::ANDN64rm, 0 },
1818 { X86::MULX32rr, X86::MULX32rm, 0 },
1819 { X86::MULX64rr, X86::MULX64rm, 0 },
1820 { X86::PDEP32rr, X86::PDEP32rm, 0 },
1821 { X86::PDEP64rr, X86::PDEP64rm, 0 },
1822 { X86::PEXT32rr, X86::PEXT32rm, 0 },
1823 { X86::PEXT64rr, X86::PEXT64rm, 0 },
1824
1825 // ADX foldable instructions
1826 { X86::ADCX32rr, X86::ADCX32rm, 0 },
1827 { X86::ADCX64rr, X86::ADCX64rm, 0 },
1828 { X86::ADOX32rr, X86::ADOX32rm, 0 },
1829 { X86::ADOX64rr, X86::ADOX64rm, 0 },
1830
1831 // AVX-512 foldable instructions
1832 { X86::VADDPDZrr, X86::VADDPDZrm, 0 },
1833 { X86::VADDPSZrr, X86::VADDPSZrm, 0 },
1834 { X86::VADDSDZrr, X86::VADDSDZrm, 0 },
1835 { X86::VADDSDZrr_Int, X86::VADDSDZrm_Int, TB_NO_REVERSE },
1836 { X86::VADDSSZrr, X86::VADDSSZrm, 0 },
1837 { X86::VADDSSZrr_Int, X86::VADDSSZrm_Int, TB_NO_REVERSE },
1838 { X86::VALIGNDZrri, X86::VALIGNDZrmi, 0 },
1839 { X86::VALIGNQZrri, X86::VALIGNQZrmi, 0 },
1840 { X86::VANDNPDZrr, X86::VANDNPDZrm, 0 },
1841 { X86::VANDNPSZrr, X86::VANDNPSZrm, 0 },
1842 { X86::VANDPDZrr, X86::VANDPDZrm, 0 },
1843 { X86::VANDPSZrr, X86::VANDPSZrm, 0 },
1844 { X86::VCMPPDZrri, X86::VCMPPDZrmi, 0 },
1845 { X86::VCMPPSZrri, X86::VCMPPSZrmi, 0 },
1846 { X86::VCMPSDZrr, X86::VCMPSDZrm, 0 },
1847 { X86::VCMPSDZrr_Int, X86::VCMPSDZrm_Int, TB_NO_REVERSE },
1848 { X86::VCMPSSZrr, X86::VCMPSSZrm, 0 },
1849 { X86::VCMPSSZrr_Int, X86::VCMPSSZrm_Int, TB_NO_REVERSE },
1850 { X86::VDIVPDZrr, X86::VDIVPDZrm, 0 },
1851 { X86::VDIVPSZrr, X86::VDIVPSZrm, 0 },
1852 { X86::VDIVSDZrr, X86::VDIVSDZrm, 0 },
1853 { X86::VDIVSDZrr_Int, X86::VDIVSDZrm_Int, TB_NO_REVERSE },
1854 { X86::VDIVSSZrr, X86::VDIVSSZrm, 0 },
1855 { X86::VDIVSSZrr_Int, X86::VDIVSSZrm_Int, TB_NO_REVERSE },
1856 { X86::VINSERTF32x4Zrr, X86::VINSERTF32x4Zrm, 0 },
1857 { X86::VINSERTF32x8Zrr, X86::VINSERTF32x8Zrm, 0 },
1858 { X86::VINSERTF64x2Zrr, X86::VINSERTF64x2Zrm, 0 },
1859 { X86::VINSERTF64x4Zrr, X86::VINSERTF64x4Zrm, 0 },
1860 { X86::VINSERTI32x4Zrr, X86::VINSERTI32x4Zrm, 0 },
1861 { X86::VINSERTI32x8Zrr, X86::VINSERTI32x8Zrm, 0 },
1862 { X86::VINSERTI64x2Zrr, X86::VINSERTI64x2Zrm, 0 },
1863 { X86::VINSERTI64x4Zrr, X86::VINSERTI64x4Zrm, 0 },
1864 { X86::VMAXCPDZrr, X86::VMAXCPDZrm, 0 },
1865 { X86::VMAXCPSZrr, X86::VMAXCPSZrm, 0 },
1866 { X86::VMAXCSDZrr, X86::VMAXCSDZrm, 0 },
1867 { X86::VMAXCSSZrr, X86::VMAXCSSZrm, 0 },
1868 { X86::VMAXPDZrr, X86::VMAXPDZrm, 0 },
1869 { X86::VMAXPSZrr, X86::VMAXPSZrm, 0 },
1870 { X86::VMAXSDZrr, X86::VMAXSDZrm, 0 },
1871 { X86::VMAXSDZrr_Int, X86::VMAXSDZrm_Int, TB_NO_REVERSE },
1872 { X86::VMAXSSZrr, X86::VMAXSSZrm, 0 },
1873 { X86::VMAXSSZrr_Int, X86::VMAXSSZrm_Int, TB_NO_REVERSE },
1874 { X86::VMINCPDZrr, X86::VMINCPDZrm, 0 },
1875 { X86::VMINCPSZrr, X86::VMINCPSZrm, 0 },
1876 { X86::VMINCSDZrr, X86::VMINCSDZrm, 0 },
1877 { X86::VMINCSSZrr, X86::VMINCSSZrm, 0 },
1878 { X86::VMINPDZrr, X86::VMINPDZrm, 0 },
1879 { X86::VMINPSZrr, X86::VMINPSZrm, 0 },
1880 { X86::VMINSDZrr, X86::VMINSDZrm, 0 },
1881 { X86::VMINSDZrr_Int, X86::VMINSDZrm_Int, TB_NO_REVERSE },
1882 { X86::VMINSSZrr, X86::VMINSSZrm, 0 },
1883 { X86::VMINSSZrr_Int, X86::VMINSSZrm_Int, TB_NO_REVERSE },
1884 { X86::VMOVLHPSZrr, X86::VMOVHPSZ128rm, TB_NO_REVERSE },
1885 { X86::VMULPDZrr, X86::VMULPDZrm, 0 },
1886 { X86::VMULPSZrr, X86::VMULPSZrm, 0 },
1887 { X86::VMULSDZrr, X86::VMULSDZrm, 0 },
1888 { X86::VMULSDZrr_Int, X86::VMULSDZrm_Int, TB_NO_REVERSE },
1889 { X86::VMULSSZrr, X86::VMULSSZrm, 0 },
1890 { X86::VMULSSZrr_Int, X86::VMULSSZrm_Int, TB_NO_REVERSE },
1891 { X86::VORPDZrr, X86::VORPDZrm, 0 },
1892 { X86::VORPSZrr, X86::VORPSZrm, 0 },
1893 { X86::VPACKSSDWZrr, X86::VPACKSSDWZrm, 0 },
1894 { X86::VPACKSSWBZrr, X86::VPACKSSWBZrm, 0 },
1895 { X86::VPACKUSDWZrr, X86::VPACKUSDWZrm, 0 },
1896 { X86::VPACKUSWBZrr, X86::VPACKUSWBZrm, 0 },
1897 { X86::VPADDBZrr, X86::VPADDBZrm, 0 },
1898 { X86::VPADDDZrr, X86::VPADDDZrm, 0 },
1899 { X86::VPADDQZrr, X86::VPADDQZrm, 0 },
1900 { X86::VPADDSBZrr, X86::VPADDSBZrm, 0 },
1901 { X86::VPADDSWZrr, X86::VPADDSWZrm, 0 },
1902 { X86::VPADDUSBZrr, X86::VPADDUSBZrm, 0 },
1903 { X86::VPADDUSWZrr, X86::VPADDUSWZrm, 0 },
1904 { X86::VPADDWZrr, X86::VPADDWZrm, 0 },
1905 { X86::VPALIGNRZrri, X86::VPALIGNRZrmi, 0 },
1906 { X86::VPANDDZrr, X86::VPANDDZrm, 0 },
1907 { X86::VPANDNDZrr, X86::VPANDNDZrm, 0 },
1908 { X86::VPANDNQZrr, X86::VPANDNQZrm, 0 },
1909 { X86::VPANDQZrr, X86::VPANDQZrm, 0 },
1910 { X86::VPAVGBZrr, X86::VPAVGBZrm, 0 },
1911 { X86::VPAVGWZrr, X86::VPAVGWZrm, 0 },
1912 { X86::VPCMPBZrri, X86::VPCMPBZrmi, 0 },
1913 { X86::VPCMPDZrri, X86::VPCMPDZrmi, 0 },
1914 { X86::VPCMPEQBZrr, X86::VPCMPEQBZrm, 0 },
1915 { X86::VPCMPEQDZrr, X86::VPCMPEQDZrm, 0 },
1916 { X86::VPCMPEQQZrr, X86::VPCMPEQQZrm, 0 },
1917 { X86::VPCMPEQWZrr, X86::VPCMPEQWZrm, 0 },
1918 { X86::VPCMPGTBZrr, X86::VPCMPGTBZrm, 0 },
1919 { X86::VPCMPGTDZrr, X86::VPCMPGTDZrm, 0 },
1920 { X86::VPCMPGTQZrr, X86::VPCMPGTQZrm, 0 },
1921 { X86::VPCMPGTWZrr, X86::VPCMPGTWZrm, 0 },
1922 { X86::VPCMPQZrri, X86::VPCMPQZrmi, 0 },
1923 { X86::VPCMPUBZrri, X86::VPCMPUBZrmi, 0 },
1924 { X86::VPCMPUDZrri, X86::VPCMPUDZrmi, 0 },
1925 { X86::VPCMPUQZrri, X86::VPCMPUQZrmi, 0 },
1926 { X86::VPCMPUWZrri, X86::VPCMPUWZrmi, 0 },
1927 { X86::VPCMPWZrri, X86::VPCMPWZrmi, 0 },
1928 { X86::VPERMBZrr, X86::VPERMBZrm, 0 },
1929 { X86::VPERMDZrr, X86::VPERMDZrm, 0 },
1930 { X86::VPERMILPDZrr, X86::VPERMILPDZrm, 0 },
1931 { X86::VPERMILPSZrr, X86::VPERMILPSZrm, 0 },
1932 { X86::VPERMPDZrr, X86::VPERMPDZrm, 0 },
1933 { X86::VPERMPSZrr, X86::VPERMPSZrm, 0 },
1934 { X86::VPERMQZrr, X86::VPERMQZrm, 0 },
1935 { X86::VPERMWZrr, X86::VPERMWZrm, 0 },
1936 { X86::VPINSRBZrr, X86::VPINSRBZrm, 0 },
1937 { X86::VPINSRDZrr, X86::VPINSRDZrm, 0 },
1938 { X86::VPINSRQZrr, X86::VPINSRQZrm, 0 },
1939 { X86::VPINSRWZrr, X86::VPINSRWZrm, 0 },
1940 { X86::VPMADDUBSWZrr, X86::VPMADDUBSWZrm, 0 },
1941 { X86::VPMADDWDZrr, X86::VPMADDWDZrm, 0 },
1942 { X86::VPMAXSBZrr, X86::VPMAXSBZrm, 0 },
1943 { X86::VPMAXSDZrr, X86::VPMAXSDZrm, 0 },
1944 { X86::VPMAXSQZrr, X86::VPMAXSQZrm, 0 },
1945 { X86::VPMAXSWZrr, X86::VPMAXSWZrm, 0 },
1946 { X86::VPMAXUBZrr, X86::VPMAXUBZrm, 0 },
1947 { X86::VPMAXUDZrr, X86::VPMAXUDZrm, 0 },
1948 { X86::VPMAXUQZrr, X86::VPMAXUQZrm, 0 },
1949 { X86::VPMAXUWZrr, X86::VPMAXUWZrm, 0 },
1950 { X86::VPMINSBZrr, X86::VPMINSBZrm, 0 },
1951 { X86::VPMINSDZrr, X86::VPMINSDZrm, 0 },
1952 { X86::VPMINSQZrr, X86::VPMINSQZrm, 0 },
1953 { X86::VPMINSWZrr, X86::VPMINSWZrm, 0 },
1954 { X86::VPMINUBZrr, X86::VPMINUBZrm, 0 },
1955 { X86::VPMINUDZrr, X86::VPMINUDZrm, 0 },
1956 { X86::VPMINUQZrr, X86::VPMINUQZrm, 0 },
1957 { X86::VPMINUWZrr, X86::VPMINUWZrm, 0 },
1958 { X86::VPMULDQZrr, X86::VPMULDQZrm, 0 },
1959 { X86::VPMULLDZrr, X86::VPMULLDZrm, 0 },
1960 { X86::VPMULLQZrr, X86::VPMULLQZrm, 0 },
1961 { X86::VPMULLWZrr, X86::VPMULLWZrm, 0 },
1962 { X86::VPMULUDQZrr, X86::VPMULUDQZrm, 0 },
1963 { X86::VPORDZrr, X86::VPORDZrm, 0 },
1964 { X86::VPORQZrr, X86::VPORQZrm, 0 },
1965 { X86::VPSADBWZ512rr, X86::VPSADBWZ512rm, 0 },
1966 { X86::VPSHUFBZrr, X86::VPSHUFBZrm, 0 },
1967 { X86::VPSLLDZrr, X86::VPSLLDZrm, 0 },
1968 { X86::VPSLLQZrr, X86::VPSLLQZrm, 0 },
1969 { X86::VPSLLVDZrr, X86::VPSLLVDZrm, 0 },
1970 { X86::VPSLLVQZrr, X86::VPSLLVQZrm, 0 },
1971 { X86::VPSLLVWZrr, X86::VPSLLVWZrm, 0 },
1972 { X86::VPSLLWZrr, X86::VPSLLWZrm, 0 },
1973 { X86::VPSRADZrr, X86::VPSRADZrm, 0 },
1974 { X86::VPSRAQZrr, X86::VPSRAQZrm, 0 },
1975 { X86::VPSRAVDZrr, X86::VPSRAVDZrm, 0 },
1976 { X86::VPSRAVQZrr, X86::VPSRAVQZrm, 0 },
1977 { X86::VPSRAVWZrr, X86::VPSRAVWZrm, 0 },
1978 { X86::VPSRAWZrr, X86::VPSRAWZrm, 0 },
1979 { X86::VPSRLDZrr, X86::VPSRLDZrm, 0 },
1980 { X86::VPSRLQZrr, X86::VPSRLQZrm, 0 },
1981 { X86::VPSRLVDZrr, X86::VPSRLVDZrm, 0 },
1982 { X86::VPSRLVQZrr, X86::VPSRLVQZrm, 0 },
1983 { X86::VPSRLVWZrr, X86::VPSRLVWZrm, 0 },
1984 { X86::VPSRLWZrr, X86::VPSRLWZrm, 0 },
1985 { X86::VPSUBBZrr, X86::VPSUBBZrm, 0 },
1986 { X86::VPSUBDZrr, X86::VPSUBDZrm, 0 },
1987 { X86::VPSUBQZrr, X86::VPSUBQZrm, 0 },
1988 { X86::VPSUBSBZrr, X86::VPSUBSBZrm, 0 },
1989 { X86::VPSUBSWZrr, X86::VPSUBSWZrm, 0 },
1990 { X86::VPSUBUSBZrr, X86::VPSUBUSBZrm, 0 },
1991 { X86::VPSUBUSWZrr, X86::VPSUBUSWZrm, 0 },
1992 { X86::VPSUBWZrr, X86::VPSUBWZrm, 0 },
1993 { X86::VPUNPCKHBWZrr, X86::VPUNPCKHBWZrm, 0 },
1994 { X86::VPUNPCKHDQZrr, X86::VPUNPCKHDQZrm, 0 },
1995 { X86::VPUNPCKHQDQZrr, X86::VPUNPCKHQDQZrm, 0 },
1996 { X86::VPUNPCKHWDZrr, X86::VPUNPCKHWDZrm, 0 },
1997 { X86::VPUNPCKLBWZrr, X86::VPUNPCKLBWZrm, 0 },
1998 { X86::VPUNPCKLDQZrr, X86::VPUNPCKLDQZrm, 0 },
1999 { X86::VPUNPCKLQDQZrr, X86::VPUNPCKLQDQZrm, 0 },
2000 { X86::VPUNPCKLWDZrr, X86::VPUNPCKLWDZrm, 0 },
2001 { X86::VPXORDZrr, X86::VPXORDZrm, 0 },
2002 { X86::VPXORQZrr, X86::VPXORQZrm, 0 },
2003 { X86::VSHUFPDZrri, X86::VSHUFPDZrmi, 0 },
2004 { X86::VSHUFPSZrri, X86::VSHUFPSZrmi, 0 },
2005 { X86::VSUBPDZrr, X86::VSUBPDZrm, 0 },
2006 { X86::VSUBPSZrr, X86::VSUBPSZrm, 0 },
2007 { X86::VSUBSDZrr, X86::VSUBSDZrm, 0 },
2008 { X86::VSUBSDZrr_Int, X86::VSUBSDZrm_Int, TB_NO_REVERSE },
2009 { X86::VSUBSSZrr, X86::VSUBSSZrm, 0 },
2010 { X86::VSUBSSZrr_Int, X86::VSUBSSZrm_Int, TB_NO_REVERSE },
2011 { X86::VUNPCKHPDZrr, X86::VUNPCKHPDZrm, 0 },
2012 { X86::VUNPCKHPSZrr, X86::VUNPCKHPSZrm, 0 },
2013 { X86::VUNPCKLPDZrr, X86::VUNPCKLPDZrm, 0 },
2014 { X86::VUNPCKLPSZrr, X86::VUNPCKLPSZrm, 0 },
2015 { X86::VXORPDZrr, X86::VXORPDZrm, 0 },
2016 { X86::VXORPSZrr, X86::VXORPSZrm, 0 },
2017
2018 // AVX-512{F,VL} foldable instructions
2019 { X86::VADDPDZ128rr, X86::VADDPDZ128rm, 0 },
2020 { X86::VADDPDZ256rr, X86::VADDPDZ256rm, 0 },
2021 { X86::VADDPSZ128rr, X86::VADDPSZ128rm, 0 },
2022 { X86::VADDPSZ256rr, X86::VADDPSZ256rm, 0 },
2023 { X86::VALIGNDZ128rri, X86::VALIGNDZ128rmi, 0 },
2024 { X86::VALIGNDZ256rri, X86::VALIGNDZ256rmi, 0 },
2025 { X86::VALIGNQZ128rri, X86::VALIGNQZ128rmi, 0 },
2026 { X86::VALIGNQZ256rri, X86::VALIGNQZ256rmi, 0 },
2027 { X86::VANDNPDZ128rr, X86::VANDNPDZ128rm, 0 },
2028 { X86::VANDNPDZ256rr, X86::VANDNPDZ256rm, 0 },
2029 { X86::VANDNPSZ128rr, X86::VANDNPSZ128rm, 0 },
2030 { X86::VANDNPSZ256rr, X86::VANDNPSZ256rm, 0 },
2031 { X86::VANDPDZ128rr, X86::VANDPDZ128rm, 0 },
2032 { X86::VANDPDZ256rr, X86::VANDPDZ256rm, 0 },
2033 { X86::VANDPSZ128rr, X86::VANDPSZ128rm, 0 },
2034 { X86::VANDPSZ256rr, X86::VANDPSZ256rm, 0 },
2035 { X86::VCMPPDZ128rri, X86::VCMPPDZ128rmi, 0 },
2036 { X86::VCMPPDZ256rri, X86::VCMPPDZ256rmi, 0 },
2037 { X86::VCMPPSZ128rri, X86::VCMPPSZ128rmi, 0 },
2038 { X86::VCMPPSZ256rri, X86::VCMPPSZ256rmi, 0 },
2039 { X86::VDIVPDZ128rr, X86::VDIVPDZ128rm, 0 },
2040 { X86::VDIVPDZ256rr, X86::VDIVPDZ256rm, 0 },
2041 { X86::VDIVPSZ128rr, X86::VDIVPSZ128rm, 0 },
2042 { X86::VDIVPSZ256rr, X86::VDIVPSZ256rm, 0 },
2043 { X86::VINSERTF32x4Z256rr,X86::VINSERTF32x4Z256rm, 0 },
2044 { X86::VINSERTF64x2Z256rr,X86::VINSERTF64x2Z256rm, 0 },
2045 { X86::VINSERTI32x4Z256rr,X86::VINSERTI32x4Z256rm, 0 },
2046 { X86::VINSERTI64x2Z256rr,X86::VINSERTI64x2Z256rm, 0 },
2047 { X86::VMAXCPDZ128rr, X86::VMAXCPDZ128rm, 0 },
2048 { X86::VMAXCPDZ256rr, X86::VMAXCPDZ256rm, 0 },
2049 { X86::VMAXCPSZ128rr, X86::VMAXCPSZ128rm, 0 },
2050 { X86::VMAXCPSZ256rr, X86::VMAXCPSZ256rm, 0 },
2051 { X86::VMAXPDZ128rr, X86::VMAXPDZ128rm, 0 },
2052 { X86::VMAXPDZ256rr, X86::VMAXPDZ256rm, 0 },
2053 { X86::VMAXPSZ128rr, X86::VMAXPSZ128rm, 0 },
2054 { X86::VMAXPSZ256rr, X86::VMAXPSZ256rm, 0 },
2055 { X86::VMINCPDZ128rr, X86::VMINCPDZ128rm, 0 },
2056 { X86::VMINCPDZ256rr, X86::VMINCPDZ256rm, 0 },
2057 { X86::VMINCPSZ128rr, X86::VMINCPSZ128rm, 0 },
2058 { X86::VMINCPSZ256rr, X86::VMINCPSZ256rm, 0 },
2059 { X86::VMINPDZ128rr, X86::VMINPDZ128rm, 0 },
2060 { X86::VMINPDZ256rr, X86::VMINPDZ256rm, 0 },
2061 { X86::VMINPSZ128rr, X86::VMINPSZ128rm, 0 },
2062 { X86::VMINPSZ256rr, X86::VMINPSZ256rm, 0 },
2063 { X86::VMULPDZ128rr, X86::VMULPDZ128rm, 0 },
2064 { X86::VMULPDZ256rr, X86::VMULPDZ256rm, 0 },
2065 { X86::VMULPSZ128rr, X86::VMULPSZ128rm, 0 },
2066 { X86::VMULPSZ256rr, X86::VMULPSZ256rm, 0 },
2067 { X86::VORPDZ128rr, X86::VORPDZ128rm, 0 },
2068 { X86::VORPDZ256rr, X86::VORPDZ256rm, 0 },
2069 { X86::VORPSZ128rr, X86::VORPSZ128rm, 0 },
2070 { X86::VORPSZ256rr, X86::VORPSZ256rm, 0 },
2071 { X86::VPACKSSDWZ256rr, X86::VPACKSSDWZ256rm, 0 },
2072 { X86::VPACKSSDWZ128rr, X86::VPACKSSDWZ128rm, 0 },
2073 { X86::VPACKSSWBZ256rr, X86::VPACKSSWBZ256rm, 0 },
2074 { X86::VPACKSSWBZ128rr, X86::VPACKSSWBZ128rm, 0 },
2075 { X86::VPACKUSDWZ256rr, X86::VPACKUSDWZ256rm, 0 },
2076 { X86::VPACKUSDWZ128rr, X86::VPACKUSDWZ128rm, 0 },
2077 { X86::VPACKUSWBZ256rr, X86::VPACKUSWBZ256rm, 0 },
2078 { X86::VPACKUSWBZ128rr, X86::VPACKUSWBZ128rm, 0 },
2079 { X86::VPADDBZ128rr, X86::VPADDBZ128rm, 0 },
2080 { X86::VPADDBZ256rr, X86::VPADDBZ256rm, 0 },
2081 { X86::VPADDDZ128rr, X86::VPADDDZ128rm, 0 },
2082 { X86::VPADDDZ256rr, X86::VPADDDZ256rm, 0 },
2083 { X86::VPADDQZ128rr, X86::VPADDQZ128rm, 0 },
2084 { X86::VPADDQZ256rr, X86::VPADDQZ256rm, 0 },
2085 { X86::VPADDSBZ128rr, X86::VPADDSBZ128rm, 0 },
2086 { X86::VPADDSBZ256rr, X86::VPADDSBZ256rm, 0 },
2087 { X86::VPADDSWZ128rr, X86::VPADDSWZ128rm, 0 },
2088 { X86::VPADDSWZ256rr, X86::VPADDSWZ256rm, 0 },
2089 { X86::VPADDUSBZ128rr, X86::VPADDUSBZ128rm, 0 },
2090 { X86::VPADDUSBZ256rr, X86::VPADDUSBZ256rm, 0 },
2091 { X86::VPADDUSWZ128rr, X86::VPADDUSWZ128rm, 0 },
2092 { X86::VPADDUSWZ256rr, X86::VPADDUSWZ256rm, 0 },
2093 { X86::VPADDWZ128rr, X86::VPADDWZ128rm, 0 },
2094 { X86::VPADDWZ256rr, X86::VPADDWZ256rm, 0 },
2095 { X86::VPALIGNRZ128rri, X86::VPALIGNRZ128rmi, 0 },
2096 { X86::VPALIGNRZ256rri, X86::VPALIGNRZ256rmi, 0 },
2097 { X86::VPANDDZ128rr, X86::VPANDDZ128rm, 0 },
2098 { X86::VPANDDZ256rr, X86::VPANDDZ256rm, 0 },
2099 { X86::VPANDNDZ128rr, X86::VPANDNDZ128rm, 0 },
2100 { X86::VPANDNDZ256rr, X86::VPANDNDZ256rm, 0 },
2101 { X86::VPANDNQZ128rr, X86::VPANDNQZ128rm, 0 },
2102 { X86::VPANDNQZ256rr, X86::VPANDNQZ256rm, 0 },
2103 { X86::VPANDQZ128rr, X86::VPANDQZ128rm, 0 },
2104 { X86::VPANDQZ256rr, X86::VPANDQZ256rm, 0 },
2105 { X86::VPAVGBZ128rr, X86::VPAVGBZ128rm, 0 },
2106 { X86::VPAVGBZ256rr, X86::VPAVGBZ256rm, 0 },
2107 { X86::VPAVGWZ128rr, X86::VPAVGWZ128rm, 0 },
2108 { X86::VPAVGWZ256rr, X86::VPAVGWZ256rm, 0 },
2109 { X86::VPCMPBZ128rri, X86::VPCMPBZ128rmi, 0 },
2110 { X86::VPCMPBZ256rri, X86::VPCMPBZ256rmi, 0 },
2111 { X86::VPCMPDZ128rri, X86::VPCMPDZ128rmi, 0 },
2112 { X86::VPCMPDZ256rri, X86::VPCMPDZ256rmi, 0 },
2113 { X86::VPCMPEQBZ128rr, X86::VPCMPEQBZ128rm, 0 },
2114 { X86::VPCMPEQBZ256rr, X86::VPCMPEQBZ256rm, 0 },
2115 { X86::VPCMPEQDZ128rr, X86::VPCMPEQDZ128rm, 0 },
2116 { X86::VPCMPEQDZ256rr, X86::VPCMPEQDZ256rm, 0 },
2117 { X86::VPCMPEQQZ128rr, X86::VPCMPEQQZ128rm, 0 },
2118 { X86::VPCMPEQQZ256rr, X86::VPCMPEQQZ256rm, 0 },
2119 { X86::VPCMPEQWZ128rr, X86::VPCMPEQWZ128rm, 0 },
2120 { X86::VPCMPEQWZ256rr, X86::VPCMPEQWZ256rm, 0 },
2121 { X86::VPCMPGTBZ128rr, X86::VPCMPGTBZ128rm, 0 },
2122 { X86::VPCMPGTBZ256rr, X86::VPCMPGTBZ256rm, 0 },
2123 { X86::VPCMPGTDZ128rr, X86::VPCMPGTDZ128rm, 0 },
2124 { X86::VPCMPGTDZ256rr, X86::VPCMPGTDZ256rm, 0 },
2125 { X86::VPCMPGTQZ128rr, X86::VPCMPGTQZ128rm, 0 },
2126 { X86::VPCMPGTQZ256rr, X86::VPCMPGTQZ256rm, 0 },
2127 { X86::VPCMPGTWZ128rr, X86::VPCMPGTWZ128rm, 0 },
2128 { X86::VPCMPGTWZ256rr, X86::VPCMPGTWZ256rm, 0 },
2129 { X86::VPCMPQZ128rri, X86::VPCMPQZ128rmi, 0 },
2130 { X86::VPCMPQZ256rri, X86::VPCMPQZ256rmi, 0 },
2131 { X86::VPCMPUBZ128rri, X86::VPCMPUBZ128rmi, 0 },
2132 { X86::VPCMPUBZ256rri, X86::VPCMPUBZ256rmi, 0 },
2133 { X86::VPCMPUDZ128rri, X86::VPCMPUDZ128rmi, 0 },
2134 { X86::VPCMPUDZ256rri, X86::VPCMPUDZ256rmi, 0 },
2135 { X86::VPCMPUQZ128rri, X86::VPCMPUQZ128rmi, 0 },
2136 { X86::VPCMPUQZ256rri, X86::VPCMPUQZ256rmi, 0 },
2137 { X86::VPCMPUWZ128rri, X86::VPCMPUWZ128rmi, 0 },
2138 { X86::VPCMPUWZ256rri, X86::VPCMPUWZ256rmi, 0 },
2139 { X86::VPCMPWZ128rri, X86::VPCMPWZ128rmi, 0 },
2140 { X86::VPCMPWZ256rri, X86::VPCMPWZ256rmi, 0 },
2141 { X86::VPERMBZ128rr, X86::VPERMBZ128rm, 0 },
2142 { X86::VPERMBZ256rr, X86::VPERMBZ256rm, 0 },
2143 { X86::VPERMDZ256rr, X86::VPERMDZ256rm, 0 },
2144 { X86::VPERMILPDZ128rr, X86::VPERMILPDZ128rm, 0 },
2145 { X86::VPERMILPDZ256rr, X86::VPERMILPDZ256rm, 0 },
2146 { X86::VPERMILPSZ128rr, X86::VPERMILPSZ128rm, 0 },
2147 { X86::VPERMILPSZ256rr, X86::VPERMILPSZ256rm, 0 },
2148 { X86::VPERMPDZ256rr, X86::VPERMPDZ256rm, 0 },
2149 { X86::VPERMPSZ256rr, X86::VPERMPSZ256rm, 0 },
2150 { X86::VPERMQZ256rr, X86::VPERMQZ256rm, 0 },
2151 { X86::VPERMWZ128rr, X86::VPERMWZ128rm, 0 },
2152 { X86::VPERMWZ256rr, X86::VPERMWZ256rm, 0 },
2153 { X86::VPMADDUBSWZ128rr, X86::VPMADDUBSWZ128rm, 0 },
2154 { X86::VPMADDUBSWZ256rr, X86::VPMADDUBSWZ256rm, 0 },
2155 { X86::VPMADDWDZ128rr, X86::VPMADDWDZ128rm, 0 },
2156 { X86::VPMADDWDZ256rr, X86::VPMADDWDZ256rm, 0 },
2157 { X86::VPMAXSBZ128rr, X86::VPMAXSBZ128rm, 0 },
2158 { X86::VPMAXSBZ256rr, X86::VPMAXSBZ256rm, 0 },
2159 { X86::VPMAXSDZ128rr, X86::VPMAXSDZ128rm, 0 },
2160 { X86::VPMAXSDZ256rr, X86::VPMAXSDZ256rm, 0 },
2161 { X86::VPMAXSQZ128rr, X86::VPMAXSQZ128rm, 0 },
2162 { X86::VPMAXSQZ256rr, X86::VPMAXSQZ256rm, 0 },
2163 { X86::VPMAXSWZ128rr, X86::VPMAXSWZ128rm, 0 },
2164 { X86::VPMAXSWZ256rr, X86::VPMAXSWZ256rm, 0 },
2165 { X86::VPMAXUBZ128rr, X86::VPMAXUBZ128rm, 0 },
2166 { X86::VPMAXUBZ256rr, X86::VPMAXUBZ256rm, 0 },
2167 { X86::VPMAXUDZ128rr, X86::VPMAXUDZ128rm, 0 },
2168 { X86::VPMAXUDZ256rr, X86::VPMAXUDZ256rm, 0 },
2169 { X86::VPMAXUQZ128rr, X86::VPMAXUQZ128rm, 0 },
2170 { X86::VPMAXUQZ256rr, X86::VPMAXUQZ256rm, 0 },
2171 { X86::VPMAXUWZ128rr, X86::VPMAXUWZ128rm, 0 },
2172 { X86::VPMAXUWZ256rr, X86::VPMAXUWZ256rm, 0 },
2173 { X86::VPMINSBZ128rr, X86::VPMINSBZ128rm, 0 },
2174 { X86::VPMINSBZ256rr, X86::VPMINSBZ256rm, 0 },
2175 { X86::VPMINSDZ128rr, X86::VPMINSDZ128rm, 0 },
2176 { X86::VPMINSDZ256rr, X86::VPMINSDZ256rm, 0 },
2177 { X86::VPMINSQZ128rr, X86::VPMINSQZ128rm, 0 },
2178 { X86::VPMINSQZ256rr, X86::VPMINSQZ256rm, 0 },
2179 { X86::VPMINSWZ128rr, X86::VPMINSWZ128rm, 0 },
2180 { X86::VPMINSWZ256rr, X86::VPMINSWZ256rm, 0 },
2181 { X86::VPMINUBZ128rr, X86::VPMINUBZ128rm, 0 },
2182 { X86::VPMINUBZ256rr, X86::VPMINUBZ256rm, 0 },
2183 { X86::VPMINUDZ128rr, X86::VPMINUDZ128rm, 0 },
2184 { X86::VPMINUDZ256rr, X86::VPMINUDZ256rm, 0 },
2185 { X86::VPMINUQZ128rr, X86::VPMINUQZ128rm, 0 },
2186 { X86::VPMINUQZ256rr, X86::VPMINUQZ256rm, 0 },
2187 { X86::VPMINUWZ128rr, X86::VPMINUWZ128rm, 0 },
2188 { X86::VPMINUWZ256rr, X86::VPMINUWZ256rm, 0 },
2189 { X86::VPMULDQZ128rr, X86::VPMULDQZ128rm, 0 },
2190 { X86::VPMULDQZ256rr, X86::VPMULDQZ256rm, 0 },
2191 { X86::VPMULLDZ128rr, X86::VPMULLDZ128rm, 0 },
2192 { X86::VPMULLDZ256rr, X86::VPMULLDZ256rm, 0 },
2193 { X86::VPMULLQZ128rr, X86::VPMULLQZ128rm, 0 },
2194 { X86::VPMULLQZ256rr, X86::VPMULLQZ256rm, 0 },
2195 { X86::VPMULLWZ128rr, X86::VPMULLWZ128rm, 0 },
2196 { X86::VPMULLWZ256rr, X86::VPMULLWZ256rm, 0 },
2197 { X86::VPMULUDQZ128rr, X86::VPMULUDQZ128rm, 0 },
2198 { X86::VPMULUDQZ256rr, X86::VPMULUDQZ256rm, 0 },
2199 { X86::VPORDZ128rr, X86::VPORDZ128rm, 0 },
2200 { X86::VPORDZ256rr, X86::VPORDZ256rm, 0 },
2201 { X86::VPORQZ128rr, X86::VPORQZ128rm, 0 },
2202 { X86::VPORQZ256rr, X86::VPORQZ256rm, 0 },
2203 { X86::VPSADBWZ128rr, X86::VPSADBWZ128rm, 0 },
2204 { X86::VPSADBWZ256rr, X86::VPSADBWZ256rm, 0 },
2205 { X86::VPSHUFBZ128rr, X86::VPSHUFBZ128rm, 0 },
2206 { X86::VPSHUFBZ256rr, X86::VPSHUFBZ256rm, 0 },
2207 { X86::VPSLLDZ128rr, X86::VPSLLDZ128rm, 0 },
2208 { X86::VPSLLDZ256rr, X86::VPSLLDZ256rm, 0 },
2209 { X86::VPSLLQZ128rr, X86::VPSLLQZ128rm, 0 },
2210 { X86::VPSLLQZ256rr, X86::VPSLLQZ256rm, 0 },
2211 { X86::VPSLLVDZ128rr, X86::VPSLLVDZ128rm, 0 },
2212 { X86::VPSLLVDZ256rr, X86::VPSLLVDZ256rm, 0 },
2213 { X86::VPSLLVQZ128rr, X86::VPSLLVQZ128rm, 0 },
2214 { X86::VPSLLVQZ256rr, X86::VPSLLVQZ256rm, 0 },
2215 { X86::VPSLLVWZ128rr, X86::VPSLLVWZ128rm, 0 },
2216 { X86::VPSLLVWZ256rr, X86::VPSLLVWZ256rm, 0 },
2217 { X86::VPSLLWZ128rr, X86::VPSLLWZ128rm, 0 },
2218 { X86::VPSLLWZ256rr, X86::VPSLLWZ256rm, 0 },
2219 { X86::VPSRADZ128rr, X86::VPSRADZ128rm, 0 },
2220 { X86::VPSRADZ256rr, X86::VPSRADZ256rm, 0 },
2221 { X86::VPSRAQZ128rr, X86::VPSRAQZ128rm, 0 },
2222 { X86::VPSRAQZ256rr, X86::VPSRAQZ256rm, 0 },
2223 { X86::VPSRAVDZ128rr, X86::VPSRAVDZ128rm, 0 },
2224 { X86::VPSRAVDZ256rr, X86::VPSRAVDZ256rm, 0 },
2225 { X86::VPSRAVQZ128rr, X86::VPSRAVQZ128rm, 0 },
2226 { X86::VPSRAVQZ256rr, X86::VPSRAVQZ256rm, 0 },
2227 { X86::VPSRAVWZ128rr, X86::VPSRAVWZ128rm, 0 },
2228 { X86::VPSRAVWZ256rr, X86::VPSRAVWZ256rm, 0 },
2229 { X86::VPSRAWZ128rr, X86::VPSRAWZ128rm, 0 },
2230 { X86::VPSRAWZ256rr, X86::VPSRAWZ256rm, 0 },
2231 { X86::VPSRLDZ128rr, X86::VPSRLDZ128rm, 0 },
2232 { X86::VPSRLDZ256rr, X86::VPSRLDZ256rm, 0 },
2233 { X86::VPSRLQZ128rr, X86::VPSRLQZ128rm, 0 },
2234 { X86::VPSRLQZ256rr, X86::VPSRLQZ256rm, 0 },
2235 { X86::VPSRLVDZ128rr, X86::VPSRLVDZ128rm, 0 },
2236 { X86::VPSRLVDZ256rr, X86::VPSRLVDZ256rm, 0 },
2237 { X86::VPSRLVQZ128rr, X86::VPSRLVQZ128rm, 0 },
2238 { X86::VPSRLVQZ256rr, X86::VPSRLVQZ256rm, 0 },
2239 { X86::VPSRLVWZ128rr, X86::VPSRLVWZ128rm, 0 },
2240 { X86::VPSRLVWZ256rr, X86::VPSRLVWZ256rm, 0 },
2241 { X86::VPSRLWZ128rr, X86::VPSRLWZ128rm, 0 },
2242 { X86::VPSRLWZ256rr, X86::VPSRLWZ256rm, 0 },
2243 { X86::VPSUBBZ128rr, X86::VPSUBBZ128rm, 0 },
2244 { X86::VPSUBBZ256rr, X86::VPSUBBZ256rm, 0 },
2245 { X86::VPSUBDZ128rr, X86::VPSUBDZ128rm, 0 },
2246 { X86::VPSUBDZ256rr, X86::VPSUBDZ256rm, 0 },
2247 { X86::VPSUBQZ128rr, X86::VPSUBQZ128rm, 0 },
2248 { X86::VPSUBQZ256rr, X86::VPSUBQZ256rm, 0 },
2249 { X86::VPSUBSBZ128rr, X86::VPSUBSBZ128rm, 0 },
2250 { X86::VPSUBSBZ256rr, X86::VPSUBSBZ256rm, 0 },
2251 { X86::VPSUBSWZ128rr, X86::VPSUBSWZ128rm, 0 },
2252 { X86::VPSUBSWZ256rr, X86::VPSUBSWZ256rm, 0 },
2253 { X86::VPSUBUSBZ128rr, X86::VPSUBUSBZ128rm, 0 },
2254 { X86::VPSUBUSBZ256rr, X86::VPSUBUSBZ256rm, 0 },
2255 { X86::VPSUBUSWZ128rr, X86::VPSUBUSWZ128rm, 0 },
2256 { X86::VPSUBUSWZ256rr, X86::VPSUBUSWZ256rm, 0 },
2257 { X86::VPSUBWZ128rr, X86::VPSUBWZ128rm, 0 },
2258 { X86::VPSUBWZ256rr, X86::VPSUBWZ256rm, 0 },
2259 { X86::VPUNPCKHBWZ128rr, X86::VPUNPCKHBWZ128rm, 0 },
2260 { X86::VPUNPCKHBWZ256rr, X86::VPUNPCKHBWZ256rm, 0 },
2261 { X86::VPUNPCKHDQZ128rr, X86::VPUNPCKHDQZ128rm, 0 },
2262 { X86::VPUNPCKHDQZ256rr, X86::VPUNPCKHDQZ256rm, 0 },
2263 { X86::VPUNPCKHQDQZ128rr, X86::VPUNPCKHQDQZ128rm, 0 },
2264 { X86::VPUNPCKHQDQZ256rr, X86::VPUNPCKHQDQZ256rm, 0 },
2265 { X86::VPUNPCKHWDZ128rr, X86::VPUNPCKHWDZ128rm, 0 },
2266 { X86::VPUNPCKHWDZ256rr, X86::VPUNPCKHWDZ256rm, 0 },
2267 { X86::VPUNPCKLBWZ128rr, X86::VPUNPCKLBWZ128rm, 0 },
2268 { X86::VPUNPCKLBWZ256rr, X86::VPUNPCKLBWZ256rm, 0 },
2269 { X86::VPUNPCKLDQZ128rr, X86::VPUNPCKLDQZ128rm, 0 },
2270 { X86::VPUNPCKLDQZ256rr, X86::VPUNPCKLDQZ256rm, 0 },
2271 { X86::VPUNPCKLQDQZ128rr, X86::VPUNPCKLQDQZ128rm, 0 },
2272 { X86::VPUNPCKLQDQZ256rr, X86::VPUNPCKLQDQZ256rm, 0 },
2273 { X86::VPUNPCKLWDZ128rr, X86::VPUNPCKLWDZ128rm, 0 },
2274 { X86::VPUNPCKLWDZ256rr, X86::VPUNPCKLWDZ256rm, 0 },
2275 { X86::VPXORDZ128rr, X86::VPXORDZ128rm, 0 },
2276 { X86::VPXORDZ256rr, X86::VPXORDZ256rm, 0 },
2277 { X86::VPXORQZ128rr, X86::VPXORQZ128rm, 0 },
2278 { X86::VPXORQZ256rr, X86::VPXORQZ256rm, 0 },
2279 { X86::VSHUFPDZ128rri, X86::VSHUFPDZ128rmi, 0 },
2280 { X86::VSHUFPDZ256rri, X86::VSHUFPDZ256rmi, 0 },
2281 { X86::VSHUFPSZ128rri, X86::VSHUFPSZ128rmi, 0 },
2282 { X86::VSHUFPSZ256rri, X86::VSHUFPSZ256rmi, 0 },
2283 { X86::VSUBPDZ128rr, X86::VSUBPDZ128rm, 0 },
2284 { X86::VSUBPDZ256rr, X86::VSUBPDZ256rm, 0 },
2285 { X86::VSUBPSZ128rr, X86::VSUBPSZ128rm, 0 },
2286 { X86::VSUBPSZ256rr, X86::VSUBPSZ256rm, 0 },
2287 { X86::VUNPCKHPDZ128rr, X86::VUNPCKHPDZ128rm, 0 },
2288 { X86::VUNPCKHPDZ256rr, X86::VUNPCKHPDZ256rm, 0 },
2289 { X86::VUNPCKHPSZ128rr, X86::VUNPCKHPSZ128rm, 0 },
2290 { X86::VUNPCKHPSZ256rr, X86::VUNPCKHPSZ256rm, 0 },
2291 { X86::VUNPCKLPDZ128rr, X86::VUNPCKLPDZ128rm, 0 },
2292 { X86::VUNPCKLPDZ256rr, X86::VUNPCKLPDZ256rm, 0 },
2293 { X86::VUNPCKLPSZ128rr, X86::VUNPCKLPSZ128rm, 0 },
2294 { X86::VUNPCKLPSZ256rr, X86::VUNPCKLPSZ256rm, 0 },
2295 { X86::VXORPDZ128rr, X86::VXORPDZ128rm, 0 },
2296 { X86::VXORPDZ256rr, X86::VXORPDZ256rm, 0 },
2297 { X86::VXORPSZ128rr, X86::VXORPSZ128rm, 0 },
2298 { X86::VXORPSZ256rr, X86::VXORPSZ256rm, 0 },
2299
2300 // AVX-512 masked foldable instructions
2301 { X86::VBROADCASTSSZrkz, X86::VBROADCASTSSZmkz, TB_NO_REVERSE },
2302 { X86::VBROADCASTSDZrkz, X86::VBROADCASTSDZmkz, TB_NO_REVERSE },
2303 { X86::VPABSBZrrkz, X86::VPABSBZrmkz, 0 },
2304 { X86::VPABSDZrrkz, X86::VPABSDZrmkz, 0 },
2305 { X86::VPABSQZrrkz, X86::VPABSQZrmkz, 0 },
2306 { X86::VPABSWZrrkz, X86::VPABSWZrmkz, 0 },
2307 { X86::VPERMILPDZrikz, X86::VPERMILPDZmikz, 0 },
2308 { X86::VPERMILPSZrikz, X86::VPERMILPSZmikz, 0 },
2309 { X86::VPERMPDZrikz, X86::VPERMPDZmikz, 0 },
2310 { X86::VPERMQZrikz, X86::VPERMQZmikz, 0 },
2311 { X86::VPMOVSXBDZrrkz, X86::VPMOVSXBDZrmkz, 0 },
2312 { X86::VPMOVSXBQZrrkz, X86::VPMOVSXBQZrmkz, TB_NO_REVERSE },
2313 { X86::VPMOVSXBWZrrkz, X86::VPMOVSXBWZrmkz, 0 },
2314 { X86::VPMOVSXDQZrrkz, X86::VPMOVSXDQZrmkz, 0 },
2315 { X86::VPMOVSXWDZrrkz, X86::VPMOVSXWDZrmkz, 0 },
2316 { X86::VPMOVSXWQZrrkz, X86::VPMOVSXWQZrmkz, 0 },
2317 { X86::VPMOVZXBDZrrkz, X86::VPMOVZXBDZrmkz, 0 },
2318 { X86::VPMOVZXBQZrrkz, X86::VPMOVZXBQZrmkz, TB_NO_REVERSE },
2319 { X86::VPMOVZXBWZrrkz, X86::VPMOVZXBWZrmkz, 0 },
2320 { X86::VPMOVZXDQZrrkz, X86::VPMOVZXDQZrmkz, 0 },
2321 { X86::VPMOVZXWDZrrkz, X86::VPMOVZXWDZrmkz, 0 },
2322 { X86::VPMOVZXWQZrrkz, X86::VPMOVZXWQZrmkz, 0 },
2323 { X86::VPSHUFDZrikz, X86::VPSHUFDZmikz, 0 },
2324 { X86::VPSHUFHWZrikz, X86::VPSHUFHWZmikz, 0 },
2325 { X86::VPSHUFLWZrikz, X86::VPSHUFLWZmikz, 0 },
2326 { X86::VPSLLDZrikz, X86::VPSLLDZmikz, 0 },
2327 { X86::VPSLLQZrikz, X86::VPSLLQZmikz, 0 },
2328 { X86::VPSLLWZrikz, X86::VPSLLWZmikz, 0 },
2329 { X86::VPSRADZrikz, X86::VPSRADZmikz, 0 },
2330 { X86::VPSRAQZrikz, X86::VPSRAQZmikz, 0 },
2331 { X86::VPSRAWZrikz, X86::VPSRAWZmikz, 0 },
2332 { X86::VPSRLDZrikz, X86::VPSRLDZmikz, 0 },
2333 { X86::VPSRLQZrikz, X86::VPSRLQZmikz, 0 },
2334 { X86::VPSRLWZrikz, X86::VPSRLWZmikz, 0 },
2335
2336 // AVX-512VL 256-bit masked foldable instructions
2337 { X86::VBROADCASTSDZ256rkz, X86::VBROADCASTSDZ256mkz, TB_NO_REVERSE },
2338 { X86::VBROADCASTSSZ256rkz, X86::VBROADCASTSSZ256mkz, TB_NO_REVERSE },
2339 { X86::VPABSBZ256rrkz, X86::VPABSBZ256rmkz, 0 },
2340 { X86::VPABSDZ256rrkz, X86::VPABSDZ256rmkz, 0 },
2341 { X86::VPABSQZ256rrkz, X86::VPABSQZ256rmkz, 0 },
2342 { X86::VPABSWZ256rrkz, X86::VPABSWZ256rmkz, 0 },
2343 { X86::VPERMILPDZ256rikz, X86::VPERMILPDZ256mikz, 0 },
2344 { X86::VPERMILPSZ256rikz, X86::VPERMILPSZ256mikz, 0 },
2345 { X86::VPERMPDZ256rikz, X86::VPERMPDZ256mikz, 0 },
2346 { X86::VPERMQZ256rikz, X86::VPERMQZ256mikz, 0 },
2347 { X86::VPMOVSXBDZ256rrkz, X86::VPMOVSXBDZ256rmkz, TB_NO_REVERSE },
2348 { X86::VPMOVSXBQZ256rrkz, X86::VPMOVSXBQZ256rmkz, TB_NO_REVERSE },
2349 { X86::VPMOVSXBWZ256rrkz, X86::VPMOVSXBWZ256rmkz, 0 },
2350 { X86::VPMOVSXDQZ256rrkz, X86::VPMOVSXDQZ256rmkz, 0 },
2351 { X86::VPMOVSXWDZ256rrkz, X86::VPMOVSXWDZ256rmkz, 0 },
2352 { X86::VPMOVSXWQZ256rrkz, X86::VPMOVSXWQZ256rmkz, TB_NO_REVERSE },
2353 { X86::VPMOVZXBDZ256rrkz, X86::VPMOVZXBDZ256rmkz, TB_NO_REVERSE },
2354 { X86::VPMOVZXBQZ256rrkz, X86::VPMOVZXBQZ256rmkz, TB_NO_REVERSE },
2355 { X86::VPMOVZXBWZ256rrkz, X86::VPMOVZXBWZ256rmkz, 0 },
2356 { X86::VPMOVZXDQZ256rrkz, X86::VPMOVZXDQZ256rmkz, 0 },
2357 { X86::VPMOVZXWDZ256rrkz, X86::VPMOVZXWDZ256rmkz, 0 },
2358 { X86::VPMOVZXWQZ256rrkz, X86::VPMOVZXWQZ256rmkz, TB_NO_REVERSE },
2359 { X86::VPSHUFDZ256rikz, X86::VPSHUFDZ256mikz, 0 },
2360 { X86::VPSHUFHWZ256rikz, X86::VPSHUFHWZ256mikz, 0 },
2361 { X86::VPSHUFLWZ256rikz, X86::VPSHUFLWZ256mikz, 0 },
2362 { X86::VPSLLDZ256rikz, X86::VPSLLDZ256mikz, 0 },
2363 { X86::VPSLLQZ256rikz, X86::VPSLLQZ256mikz, 0 },
2364 { X86::VPSLLWZ256rikz, X86::VPSLLWZ256mikz, 0 },
2365 { X86::VPSRADZ256rikz, X86::VPSRADZ256mikz, 0 },
2366 { X86::VPSRAQZ256rikz, X86::VPSRAQZ256mikz, 0 },
2367 { X86::VPSRAWZ256rikz, X86::VPSRAWZ256mikz, 0 },
2368 { X86::VPSRLDZ256rikz, X86::VPSRLDZ256mikz, 0 },
2369 { X86::VPSRLQZ256rikz, X86::VPSRLQZ256mikz, 0 },
2370 { X86::VPSRLWZ256rikz, X86::VPSRLWZ256mikz, 0 },
2371
2372 // AVX-512VL 128-bit masked foldable instructions
2373 { X86::VBROADCASTSSZ128rkz, X86::VBROADCASTSSZ128mkz, TB_NO_REVERSE },
2374 { X86::VPABSBZ128rrkz, X86::VPABSBZ128rmkz, 0 },
2375 { X86::VPABSDZ128rrkz, X86::VPABSDZ128rmkz, 0 },
2376 { X86::VPABSQZ128rrkz, X86::VPABSQZ128rmkz, 0 },
2377 { X86::VPABSWZ128rrkz, X86::VPABSWZ128rmkz, 0 },
2378 { X86::VPERMILPDZ128rikz, X86::VPERMILPDZ128mikz, 0 },
2379 { X86::VPERMILPSZ128rikz, X86::VPERMILPSZ128mikz, 0 },
2380 { X86::VPMOVSXBDZ128rrkz, X86::VPMOVSXBDZ128rmkz, TB_NO_REVERSE },
2381 { X86::VPMOVSXBQZ128rrkz, X86::VPMOVSXBQZ128rmkz, TB_NO_REVERSE },
2382 { X86::VPMOVSXBWZ128rrkz, X86::VPMOVSXBWZ128rmkz, TB_NO_REVERSE },
2383 { X86::VPMOVSXDQZ128rrkz, X86::VPMOVSXDQZ128rmkz, TB_NO_REVERSE },
2384 { X86::VPMOVSXWDZ128rrkz, X86::VPMOVSXWDZ128rmkz, TB_NO_REVERSE },
2385 { X86::VPMOVSXWQZ128rrkz, X86::VPMOVSXWQZ128rmkz, TB_NO_REVERSE },
2386 { X86::VPMOVZXBDZ128rrkz, X86::VPMOVZXBDZ128rmkz, TB_NO_REVERSE },
2387 { X86::VPMOVZXBQZ128rrkz, X86::VPMOVZXBQZ128rmkz, TB_NO_REVERSE },
2388 { X86::VPMOVZXBWZ128rrkz, X86::VPMOVZXBWZ128rmkz, TB_NO_REVERSE },
2389 { X86::VPMOVZXDQZ128rrkz, X86::VPMOVZXDQZ128rmkz, TB_NO_REVERSE },
2390 { X86::VPMOVZXWDZ128rrkz, X86::VPMOVZXWDZ128rmkz, TB_NO_REVERSE },
2391 { X86::VPMOVZXWQZ128rrkz, X86::VPMOVZXWQZ128rmkz, TB_NO_REVERSE },
2392 { X86::VPSHUFDZ128rikz, X86::VPSHUFDZ128mikz, 0 },
2393 { X86::VPSHUFHWZ128rikz, X86::VPSHUFHWZ128mikz, 0 },
2394 { X86::VPSHUFLWZ128rikz, X86::VPSHUFLWZ128mikz, 0 },
2395 { X86::VPSLLDZ128rikz, X86::VPSLLDZ128mikz, 0 },
2396 { X86::VPSLLQZ128rikz, X86::VPSLLQZ128mikz, 0 },
2397 { X86::VPSLLWZ128rikz, X86::VPSLLWZ128mikz, 0 },
2398 { X86::VPSRADZ128rikz, X86::VPSRADZ128mikz, 0 },
2399 { X86::VPSRAQZ128rikz, X86::VPSRAQZ128mikz, 0 },
2400 { X86::VPSRAWZ128rikz, X86::VPSRAWZ128mikz, 0 },
2401 { X86::VPSRLDZ128rikz, X86::VPSRLDZ128mikz, 0 },
2402 { X86::VPSRLQZ128rikz, X86::VPSRLQZ128mikz, 0 },
2403 { X86::VPSRLWZ128rikz, X86::VPSRLWZ128mikz, 0 },
2404
2405 // AES foldable instructions
2406 { X86::AESDECLASTrr, X86::AESDECLASTrm, TB_ALIGN_16 },
2407 { X86::AESDECrr, X86::AESDECrm, TB_ALIGN_16 },
2408 { X86::AESENCLASTrr, X86::AESENCLASTrm, TB_ALIGN_16 },
2409 { X86::AESENCrr, X86::AESENCrm, TB_ALIGN_16 },
2410 { X86::VAESDECLASTrr, X86::VAESDECLASTrm, 0 },
2411 { X86::VAESDECrr, X86::VAESDECrm, 0 },
2412 { X86::VAESENCLASTrr, X86::VAESENCLASTrm, 0 },
2413 { X86::VAESENCrr, X86::VAESENCrm, 0 },
2414
2415 // SHA foldable instructions
2416 { X86::SHA1MSG1rr, X86::SHA1MSG1rm, TB_ALIGN_16 },
2417 { X86::SHA1MSG2rr, X86::SHA1MSG2rm, TB_ALIGN_16 },
2418 { X86::SHA1NEXTErr, X86::SHA1NEXTErm, TB_ALIGN_16 },
2419 { X86::SHA1RNDS4rri, X86::SHA1RNDS4rmi, TB_ALIGN_16 },
2420 { X86::SHA256MSG1rr, X86::SHA256MSG1rm, TB_ALIGN_16 },
2421 { X86::SHA256MSG2rr, X86::SHA256MSG2rm, TB_ALIGN_16 },
2422 { X86::SHA256RNDS2rr, X86::SHA256RNDS2rm, TB_ALIGN_16 }
2423 };
2424
2425 for (X86MemoryFoldTableEntry Entry : MemoryFoldTable2) {
2426 AddTableEntry(RegOp2MemOpTable2, MemOp2RegOpTable,
2427 Entry.RegOp, Entry.MemOp,
2428 // Index 2, folded load
2429 Entry.Flags | TB_INDEX_2 | TB_FOLDED_LOAD);
2430 }
2431
2432 static const X86MemoryFoldTableEntry MemoryFoldTable3[] = {
2433 // FMA4 foldable patterns
2434 { X86::VFMADDSS4rr, X86::VFMADDSS4rm, TB_ALIGN_NONE },
2435 { X86::VFMADDSS4rr_Int, X86::VFMADDSS4rm_Int, TB_NO_REVERSE },
2436 { X86::VFMADDSD4rr, X86::VFMADDSD4rm, TB_ALIGN_NONE },
2437 { X86::VFMADDSD4rr_Int, X86::VFMADDSD4rm_Int, TB_NO_REVERSE },
2438 { X86::VFMADDPS4rr, X86::VFMADDPS4rm, TB_ALIGN_NONE },
2439 { X86::VFMADDPD4rr, X86::VFMADDPD4rm, TB_ALIGN_NONE },
2440 { X86::VFMADDPS4Yrr, X86::VFMADDPS4Yrm, TB_ALIGN_NONE },
2441 { X86::VFMADDPD4Yrr, X86::VFMADDPD4Yrm, TB_ALIGN_NONE },
2442 { X86::VFNMADDSS4rr, X86::VFNMADDSS4rm, TB_ALIGN_NONE },
2443 { X86::VFNMADDSS4rr_Int, X86::VFNMADDSS4rm_Int, TB_NO_REVERSE },
2444 { X86::VFNMADDSD4rr, X86::VFNMADDSD4rm, TB_ALIGN_NONE },
2445 { X86::VFNMADDSD4rr_Int, X86::VFNMADDSD4rm_Int, TB_NO_REVERSE },
2446 { X86::VFNMADDPS4rr, X86::VFNMADDPS4rm, TB_ALIGN_NONE },
2447 { X86::VFNMADDPD4rr, X86::VFNMADDPD4rm, TB_ALIGN_NONE },
2448 { X86::VFNMADDPS4Yrr, X86::VFNMADDPS4Yrm, TB_ALIGN_NONE },
2449 { X86::VFNMADDPD4Yrr, X86::VFNMADDPD4Yrm, TB_ALIGN_NONE },
2450 { X86::VFMSUBSS4rr, X86::VFMSUBSS4rm, TB_ALIGN_NONE },
2451 { X86::VFMSUBSS4rr_Int, X86::VFMSUBSS4rm_Int, TB_NO_REVERSE },
2452 { X86::VFMSUBSD4rr, X86::VFMSUBSD4rm, TB_ALIGN_NONE },
2453 { X86::VFMSUBSD4rr_Int, X86::VFMSUBSD4rm_Int, TB_NO_REVERSE },
2454 { X86::VFMSUBPS4rr, X86::VFMSUBPS4rm, TB_ALIGN_NONE },
2455 { X86::VFMSUBPD4rr, X86::VFMSUBPD4rm, TB_ALIGN_NONE },
2456 { X86::VFMSUBPS4Yrr, X86::VFMSUBPS4Yrm, TB_ALIGN_NONE },
2457 { X86::VFMSUBPD4Yrr, X86::VFMSUBPD4Yrm, TB_ALIGN_NONE },
2458 { X86::VFNMSUBSS4rr, X86::VFNMSUBSS4rm, TB_ALIGN_NONE },
2459 { X86::VFNMSUBSS4rr_Int, X86::VFNMSUBSS4rm_Int, TB_NO_REVERSE },
2460 { X86::VFNMSUBSD4rr, X86::VFNMSUBSD4rm, TB_ALIGN_NONE },
2461 { X86::VFNMSUBSD4rr_Int, X86::VFNMSUBSD4rm_Int, TB_NO_REVERSE },
2462 { X86::VFNMSUBPS4rr, X86::VFNMSUBPS4rm, TB_ALIGN_NONE },
2463 { X86::VFNMSUBPD4rr, X86::VFNMSUBPD4rm, TB_ALIGN_NONE },
2464 { X86::VFNMSUBPS4Yrr, X86::VFNMSUBPS4Yrm, TB_ALIGN_NONE },
2465 { X86::VFNMSUBPD4Yrr, X86::VFNMSUBPD4Yrm, TB_ALIGN_NONE },
2466 { X86::VFMADDSUBPS4rr, X86::VFMADDSUBPS4rm, TB_ALIGN_NONE },
2467 { X86::VFMADDSUBPD4rr, X86::VFMADDSUBPD4rm, TB_ALIGN_NONE },
2468 { X86::VFMADDSUBPS4Yrr, X86::VFMADDSUBPS4Yrm, TB_ALIGN_NONE },
2469 { X86::VFMADDSUBPD4Yrr, X86::VFMADDSUBPD4Yrm, TB_ALIGN_NONE },
2470 { X86::VFMSUBADDPS4rr, X86::VFMSUBADDPS4rm, TB_ALIGN_NONE },
2471 { X86::VFMSUBADDPD4rr, X86::VFMSUBADDPD4rm, TB_ALIGN_NONE },
2472 { X86::VFMSUBADDPS4Yrr, X86::VFMSUBADDPS4Yrm, TB_ALIGN_NONE },
2473 { X86::VFMSUBADDPD4Yrr, X86::VFMSUBADDPD4Yrm, TB_ALIGN_NONE },
2474
2475 // XOP foldable instructions
2476 { X86::VPCMOVrrr, X86::VPCMOVrrm, 0 },
2477 { X86::VPCMOVYrrr, X86::VPCMOVYrrm, 0 },
2478 { X86::VPERMIL2PDrr, X86::VPERMIL2PDrm, 0 },
2479 { X86::VPERMIL2PDYrr, X86::VPERMIL2PDYrm, 0 },
2480 { X86::VPERMIL2PSrr, X86::VPERMIL2PSrm, 0 },
2481 { X86::VPERMIL2PSYrr, X86::VPERMIL2PSYrm, 0 },
2482 { X86::VPPERMrrr, X86::VPPERMrrm, 0 },
2483
2484 // AVX-512 instructions with 3 source operands.
2485 { X86::VPERMI2Brr, X86::VPERMI2Brm, 0 },
2486 { X86::VPERMI2Drr, X86::VPERMI2Drm, 0 },
2487 { X86::VPERMI2PSrr, X86::VPERMI2PSrm, 0 },
2488 { X86::VPERMI2PDrr, X86::VPERMI2PDrm, 0 },
2489 { X86::VPERMI2Qrr, X86::VPERMI2Qrm, 0 },
2490 { X86::VPERMI2Wrr, X86::VPERMI2Wrm, 0 },
2491 { X86::VPERMT2Brr, X86::VPERMT2Brm, 0 },
2492 { X86::VPERMT2Drr, X86::VPERMT2Drm, 0 },
2493 { X86::VPERMT2PSrr, X86::VPERMT2PSrm, 0 },
2494 { X86::VPERMT2PDrr, X86::VPERMT2PDrm, 0 },
2495 { X86::VPERMT2Qrr, X86::VPERMT2Qrm, 0 },
2496 { X86::VPERMT2Wrr, X86::VPERMT2Wrm, 0 },
2497 { X86::VPTERNLOGDZrri, X86::VPTERNLOGDZrmi, 0 },
2498 { X86::VPTERNLOGQZrri, X86::VPTERNLOGQZrmi, 0 },
2499
2500 // AVX-512VL 256-bit instructions with 3 source operands.
2501 { X86::VPERMI2B256rr, X86::VPERMI2B256rm, 0 },
2502 { X86::VPERMI2D256rr, X86::VPERMI2D256rm, 0 },
2503 { X86::VPERMI2PD256rr, X86::VPERMI2PD256rm, 0 },
2504 { X86::VPERMI2PS256rr, X86::VPERMI2PS256rm, 0 },
2505 { X86::VPERMI2Q256rr, X86::VPERMI2Q256rm, 0 },
2506 { X86::VPERMI2W256rr, X86::VPERMI2W256rm, 0 },
2507 { X86::VPERMT2B256rr, X86::VPERMT2B256rm, 0 },
2508 { X86::VPERMT2D256rr, X86::VPERMT2D256rm, 0 },
2509 { X86::VPERMT2PD256rr, X86::VPERMT2PD256rm, 0 },
2510 { X86::VPERMT2PS256rr, X86::VPERMT2PS256rm, 0 },
2511 { X86::VPERMT2Q256rr, X86::VPERMT2Q256rm, 0 },
2512 { X86::VPERMT2W256rr, X86::VPERMT2W256rm, 0 },
2513 { X86::VPTERNLOGDZ256rri, X86::VPTERNLOGDZ256rmi, 0 },
2514 { X86::VPTERNLOGQZ256rri, X86::VPTERNLOGQZ256rmi, 0 },
2515
2516 // AVX-512VL 128-bit instructions with 3 source operands.
2517 { X86::VPERMI2B128rr, X86::VPERMI2B128rm, 0 },
2518 { X86::VPERMI2D128rr, X86::VPERMI2D128rm, 0 },
2519 { X86::VPERMI2PD128rr, X86::VPERMI2PD128rm, 0 },
2520 { X86::VPERMI2PS128rr, X86::VPERMI2PS128rm, 0 },
2521 { X86::VPERMI2Q128rr, X86::VPERMI2Q128rm, 0 },
2522 { X86::VPERMI2W128rr, X86::VPERMI2W128rm, 0 },
2523 { X86::VPERMT2B128rr, X86::VPERMT2B128rm, 0 },
2524 { X86::VPERMT2D128rr, X86::VPERMT2D128rm, 0 },
2525 { X86::VPERMT2PD128rr, X86::VPERMT2PD128rm, 0 },
2526 { X86::VPERMT2PS128rr, X86::VPERMT2PS128rm, 0 },
2527 { X86::VPERMT2Q128rr, X86::VPERMT2Q128rm, 0 },
2528 { X86::VPERMT2W128rr, X86::VPERMT2W128rm, 0 },
2529 { X86::VPTERNLOGDZ128rri, X86::VPTERNLOGDZ128rmi, 0 },
2530 { X86::VPTERNLOGQZ128rri, X86::VPTERNLOGQZ128rmi, 0 },
2531
2532 // AVX-512 masked instructions
2533 { X86::VADDPDZrrkz, X86::VADDPDZrmkz, 0 },
2534 { X86::VADDPSZrrkz, X86::VADDPSZrmkz, 0 },
2535 { X86::VADDSDZrr_Intkz, X86::VADDSDZrm_Intkz, TB_NO_REVERSE },
2536 { X86::VADDSSZrr_Intkz, X86::VADDSSZrm_Intkz, TB_NO_REVERSE },
2537 { X86::VALIGNDZrrikz, X86::VALIGNDZrmikz, 0 },
2538 { X86::VALIGNQZrrikz, X86::VALIGNQZrmikz, 0 },
2539 { X86::VANDNPDZrrkz, X86::VANDNPDZrmkz, 0 },
2540 { X86::VANDNPSZrrkz, X86::VANDNPSZrmkz, 0 },
2541 { X86::VANDPDZrrkz, X86::VANDPDZrmkz, 0 },
2542 { X86::VANDPSZrrkz, X86::VANDPSZrmkz, 0 },
2543 { X86::VDIVPDZrrkz, X86::VDIVPDZrmkz, 0 },
2544 { X86::VDIVPSZrrkz, X86::VDIVPSZrmkz, 0 },
2545 { X86::VDIVSDZrr_Intkz, X86::VDIVSDZrm_Intkz, TB_NO_REVERSE },
2546 { X86::VDIVSSZrr_Intkz, X86::VDIVSSZrm_Intkz, TB_NO_REVERSE },
2547 { X86::VINSERTF32x4Zrrkz, X86::VINSERTF32x4Zrmkz, 0 },
2548 { X86::VINSERTF32x8Zrrkz, X86::VINSERTF32x8Zrmkz, 0 },
2549 { X86::VINSERTF64x2Zrrkz, X86::VINSERTF64x2Zrmkz, 0 },
2550 { X86::VINSERTF64x4Zrrkz, X86::VINSERTF64x4Zrmkz, 0 },
2551 { X86::VINSERTI32x4Zrrkz, X86::VINSERTI32x4Zrmkz, 0 },
2552 { X86::VINSERTI32x8Zrrkz, X86::VINSERTI32x8Zrmkz, 0 },
2553 { X86::VINSERTI64x2Zrrkz, X86::VINSERTI64x2Zrmkz, 0 },
2554 { X86::VINSERTI64x4Zrrkz, X86::VINSERTI64x4Zrmkz, 0 },
2555 { X86::VMAXCPDZrrkz, X86::VMAXCPDZrmkz, 0 },
2556 { X86::VMAXCPSZrrkz, X86::VMAXCPSZrmkz, 0 },
2557 { X86::VMAXPDZrrkz, X86::VMAXPDZrmkz, 0 },
2558 { X86::VMAXPSZrrkz, X86::VMAXPSZrmkz, 0 },
2559 { X86::VMAXSDZrr_Intkz, X86::VMAXSDZrm_Intkz, 0 },
2560 { X86::VMAXSSZrr_Intkz, X86::VMAXSSZrm_Intkz, 0 },
2561 { X86::VMINCPDZrrkz, X86::VMINCPDZrmkz, 0 },
2562 { X86::VMINCPSZrrkz, X86::VMINCPSZrmkz, 0 },
2563 { X86::VMINPDZrrkz, X86::VMINPDZrmkz, 0 },
2564 { X86::VMINPSZrrkz, X86::VMINPSZrmkz, 0 },
2565 { X86::VMINSDZrr_Intkz, X86::VMINSDZrm_Intkz, 0 },
2566 { X86::VMINSSZrr_Intkz, X86::VMINSSZrm_Intkz, 0 },
2567 { X86::VMULPDZrrkz, X86::VMULPDZrmkz, 0 },
2568 { X86::VMULPSZrrkz, X86::VMULPSZrmkz, 0 },
2569 { X86::VMULSDZrr_Intkz, X86::VMULSDZrm_Intkz, TB_NO_REVERSE },
2570 { X86::VMULSSZrr_Intkz, X86::VMULSSZrm_Intkz, TB_NO_REVERSE },
2571 { X86::VORPDZrrkz, X86::VORPDZrmkz, 0 },
2572 { X86::VORPSZrrkz, X86::VORPSZrmkz, 0 },
2573 { X86::VPACKSSDWZrrkz, X86::VPACKSSDWZrmkz, 0 },
2574 { X86::VPACKSSWBZrrkz, X86::VPACKSSWBZrmkz, 0 },
2575 { X86::VPACKUSDWZrrkz, X86::VPACKUSDWZrmkz, 0 },
2576 { X86::VPACKUSWBZrrkz, X86::VPACKUSWBZrmkz, 0 },
2577 { X86::VPADDBZrrkz, X86::VPADDBZrmkz, 0 },
2578 { X86::VPADDDZrrkz, X86::VPADDDZrmkz, 0 },
2579 { X86::VPADDQZrrkz, X86::VPADDQZrmkz, 0 },
2580 { X86::VPADDSBZrrkz, X86::VPADDSBZrmkz, 0 },
2581 { X86::VPADDSWZrrkz, X86::VPADDSWZrmkz, 0 },
2582 { X86::VPADDUSBZrrkz, X86::VPADDUSBZrmkz, 0 },
2583 { X86::VPADDUSWZrrkz, X86::VPADDUSWZrmkz, 0 },
2584 { X86::VPADDWZrrkz, X86::VPADDWZrmkz, 0 },
2585 { X86::VPALIGNRZrrikz, X86::VPALIGNRZrmikz, 0 },
2586 { X86::VPANDDZrrkz, X86::VPANDDZrmkz, 0 },
2587 { X86::VPANDNDZrrkz, X86::VPANDNDZrmkz, 0 },
2588 { X86::VPANDNQZrrkz, X86::VPANDNQZrmkz, 0 },
2589 { X86::VPANDQZrrkz, X86::VPANDQZrmkz, 0 },
2590 { X86::VPAVGBZrrkz, X86::VPAVGBZrmkz, 0 },
2591 { X86::VPAVGWZrrkz, X86::VPAVGWZrmkz, 0 },
2592 { X86::VPERMBZrrkz, X86::VPERMBZrmkz, 0 },
2593 { X86::VPERMDZrrkz, X86::VPERMDZrmkz, 0 },
2594 { X86::VPERMILPDZrrkz, X86::VPERMILPDZrmkz, 0 },
2595 { X86::VPERMILPSZrrkz, X86::VPERMILPSZrmkz, 0 },
2596 { X86::VPERMPDZrrkz, X86::VPERMPDZrmkz, 0 },
2597 { X86::VPERMPSZrrkz, X86::VPERMPSZrmkz, 0 },
2598 { X86::VPERMQZrrkz, X86::VPERMQZrmkz, 0 },
2599 { X86::VPERMWZrrkz, X86::VPERMWZrmkz, 0 },
2600 { X86::VPMADDUBSWZrrkz, X86::VPMADDUBSWZrmkz, 0 },
2601 { X86::VPMADDWDZrrkz, X86::VPMADDWDZrmkz, 0 },
2602 { X86::VPMAXSBZrrkz, X86::VPMAXSBZrmkz, 0 },
2603 { X86::VPMAXSDZrrkz, X86::VPMAXSDZrmkz, 0 },
2604 { X86::VPMAXSQZrrkz, X86::VPMAXSQZrmkz, 0 },
2605 { X86::VPMAXSWZrrkz, X86::VPMAXSWZrmkz, 0 },
2606 { X86::VPMAXUBZrrkz, X86::VPMAXUBZrmkz, 0 },
2607 { X86::VPMAXUDZrrkz, X86::VPMAXUDZrmkz, 0 },
2608 { X86::VPMAXUQZrrkz, X86::VPMAXUQZrmkz, 0 },
2609 { X86::VPMAXUWZrrkz, X86::VPMAXUWZrmkz, 0 },
2610 { X86::VPMINSBZrrkz, X86::VPMINSBZrmkz, 0 },
2611 { X86::VPMINSDZrrkz, X86::VPMINSDZrmkz, 0 },
2612 { X86::VPMINSQZrrkz, X86::VPMINSQZrmkz, 0 },
2613 { X86::VPMINSWZrrkz, X86::VPMINSWZrmkz, 0 },
2614 { X86::VPMINUBZrrkz, X86::VPMINUBZrmkz, 0 },
2615 { X86::VPMINUDZrrkz, X86::VPMINUDZrmkz, 0 },
2616 { X86::VPMINUQZrrkz, X86::VPMINUQZrmkz, 0 },
2617 { X86::VPMINUWZrrkz, X86::VPMINUWZrmkz, 0 },
2618 { X86::VPMULLDZrrkz, X86::VPMULLDZrmkz, 0 },
2619 { X86::VPMULLQZrrkz, X86::VPMULLQZrmkz, 0 },
2620 { X86::VPMULLWZrrkz, X86::VPMULLWZrmkz, 0 },
2621 { X86::VPMULDQZrrkz, X86::VPMULDQZrmkz, 0 },
2622 { X86::VPMULUDQZrrkz, X86::VPMULUDQZrmkz, 0 },
2623 { X86::VPORDZrrkz, X86::VPORDZrmkz, 0 },
2624 { X86::VPORQZrrkz, X86::VPORQZrmkz, 0 },
2625 { X86::VPSHUFBZrrkz, X86::VPSHUFBZrmkz, 0 },
2626 { X86::VPSLLDZrrkz, X86::VPSLLDZrmkz, 0 },
2627 { X86::VPSLLQZrrkz, X86::VPSLLQZrmkz, 0 },
2628 { X86::VPSLLVDZrrkz, X86::VPSLLVDZrmkz, 0 },
2629 { X86::VPSLLVQZrrkz, X86::VPSLLVQZrmkz, 0 },
2630 { X86::VPSLLVWZrrkz, X86::VPSLLVWZrmkz, 0 },
2631 { X86::VPSLLWZrrkz, X86::VPSLLWZrmkz, 0 },
2632 { X86::VPSRADZrrkz, X86::VPSRADZrmkz, 0 },
2633 { X86::VPSRAQZrrkz, X86::VPSRAQZrmkz, 0 },
2634 { X86::VPSRAVDZrrkz, X86::VPSRAVDZrmkz, 0 },
2635 { X86::VPSRAVQZrrkz, X86::VPSRAVQZrmkz, 0 },
2636 { X86::VPSRAVWZrrkz, X86::VPSRAVWZrmkz, 0 },
2637 { X86::VPSRAWZrrkz, X86::VPSRAWZrmkz, 0 },
2638 { X86::VPSRLDZrrkz, X86::VPSRLDZrmkz, 0 },
2639 { X86::VPSRLQZrrkz, X86::VPSRLQZrmkz, 0 },
2640 { X86::VPSRLVDZrrkz, X86::VPSRLVDZrmkz, 0 },
2641 { X86::VPSRLVQZrrkz, X86::VPSRLVQZrmkz, 0 },
2642 { X86::VPSRLVWZrrkz, X86::VPSRLVWZrmkz, 0 },
2643 { X86::VPSRLWZrrkz, X86::VPSRLWZrmkz, 0 },
2644 { X86::VPSUBBZrrkz, X86::VPSUBBZrmkz, 0 },
2645 { X86::VPSUBDZrrkz, X86::VPSUBDZrmkz, 0 },
2646 { X86::VPSUBQZrrkz, X86::VPSUBQZrmkz, 0 },
2647 { X86::VPSUBSBZrrkz, X86::VPSUBSBZrmkz, 0 },
2648 { X86::VPSUBSWZrrkz, X86::VPSUBSWZrmkz, 0 },
2649 { X86::VPSUBUSBZrrkz, X86::VPSUBUSBZrmkz, 0 },
2650 { X86::VPSUBUSWZrrkz, X86::VPSUBUSWZrmkz, 0 },
2651 { X86::VPSUBWZrrkz, X86::VPSUBWZrmkz, 0 },
2652 { X86::VPUNPCKHBWZrrkz, X86::VPUNPCKHBWZrmkz, 0 },
2653 { X86::VPUNPCKHDQZrrkz, X86::VPUNPCKHDQZrmkz, 0 },
2654 { X86::VPUNPCKHQDQZrrkz, X86::VPUNPCKHQDQZrmkz, 0 },
2655 { X86::VPUNPCKHWDZrrkz, X86::VPUNPCKHWDZrmkz, 0 },
2656 { X86::VPUNPCKLBWZrrkz, X86::VPUNPCKLBWZrmkz, 0 },
2657 { X86::VPUNPCKLDQZrrkz, X86::VPUNPCKLDQZrmkz, 0 },
2658 { X86::VPUNPCKLQDQZrrkz, X86::VPUNPCKLQDQZrmkz, 0 },
2659 { X86::VPUNPCKLWDZrrkz, X86::VPUNPCKLWDZrmkz, 0 },
2660 { X86::VPXORDZrrkz, X86::VPXORDZrmkz, 0 },
2661 { X86::VPXORQZrrkz, X86::VPXORQZrmkz, 0 },
2662 { X86::VSHUFPDZrrikz, X86::VSHUFPDZrmikz, 0 },
2663 { X86::VSHUFPSZrrikz, X86::VSHUFPSZrmikz, 0 },
2664 { X86::VSUBPDZrrkz, X86::VSUBPDZrmkz, 0 },
2665 { X86::VSUBPSZrrkz, X86::VSUBPSZrmkz, 0 },
2666 { X86::VSUBSDZrr_Intkz, X86::VSUBSDZrm_Intkz, TB_NO_REVERSE },
2667 { X86::VSUBSSZrr_Intkz, X86::VSUBSSZrm_Intkz, TB_NO_REVERSE },
2668 { X86::VUNPCKHPDZrrkz, X86::VUNPCKHPDZrmkz, 0 },
2669 { X86::VUNPCKHPSZrrkz, X86::VUNPCKHPSZrmkz, 0 },
2670 { X86::VUNPCKLPDZrrkz, X86::VUNPCKLPDZrmkz, 0 },
2671 { X86::VUNPCKLPSZrrkz, X86::VUNPCKLPSZrmkz, 0 },
2672 { X86::VXORPDZrrkz, X86::VXORPDZrmkz, 0 },
2673 { X86::VXORPSZrrkz, X86::VXORPSZrmkz, 0 },
2674
2675 // AVX-512{F,VL} masked arithmetic instructions 256-bit
2676 { X86::VADDPDZ256rrkz, X86::VADDPDZ256rmkz, 0 },
2677 { X86::VADDPSZ256rrkz, X86::VADDPSZ256rmkz, 0 },
2678 { X86::VALIGNDZ256rrikz, X86::VALIGNDZ256rmikz, 0 },
2679 { X86::VALIGNQZ256rrikz, X86::VALIGNQZ256rmikz, 0 },
2680 { X86::VANDNPDZ256rrkz, X86::VANDNPDZ256rmkz, 0 },
2681 { X86::VANDNPSZ256rrkz, X86::VANDNPSZ256rmkz, 0 },
2682 { X86::VANDPDZ256rrkz, X86::VANDPDZ256rmkz, 0 },
2683 { X86::VANDPSZ256rrkz, X86::VANDPSZ256rmkz, 0 },
2684 { X86::VDIVPDZ256rrkz, X86::VDIVPDZ256rmkz, 0 },
2685 { X86::VDIVPSZ256rrkz, X86::VDIVPSZ256rmkz, 0 },
2686 { X86::VINSERTF32x4Z256rrkz, X86::VINSERTF32x4Z256rmkz, 0 },
2687 { X86::VINSERTF64x2Z256rrkz, X86::VINSERTF64x2Z256rmkz, 0 },
2688 { X86::VINSERTI32x4Z256rrkz, X86::VINSERTI32x4Z256rmkz, 0 },
2689 { X86::VINSERTI64x2Z256rrkz, X86::VINSERTI64x2Z256rmkz, 0 },
2690 { X86::VMAXCPDZ256rrkz, X86::VMAXCPDZ256rmkz, 0 },
2691 { X86::VMAXCPSZ256rrkz, X86::VMAXCPSZ256rmkz, 0 },
2692 { X86::VMAXPDZ256rrkz, X86::VMAXPDZ256rmkz, 0 },
2693 { X86::VMAXPSZ256rrkz, X86::VMAXPSZ256rmkz, 0 },
2694 { X86::VMINCPDZ256rrkz, X86::VMINCPDZ256rmkz, 0 },
2695 { X86::VMINCPSZ256rrkz, X86::VMINCPSZ256rmkz, 0 },
2696 { X86::VMINPDZ256rrkz, X86::VMINPDZ256rmkz, 0 },
2697 { X86::VMINPSZ256rrkz, X86::VMINPSZ256rmkz, 0 },
2698 { X86::VMULPDZ256rrkz, X86::VMULPDZ256rmkz, 0 },
2699 { X86::VMULPSZ256rrkz, X86::VMULPSZ256rmkz, 0 },
2700 { X86::VORPDZ256rrkz, X86::VORPDZ256rmkz, 0 },
2701 { X86::VORPSZ256rrkz, X86::VORPSZ256rmkz, 0 },
2702 { X86::VPACKSSDWZ256rrkz, X86::VPACKSSDWZ256rmkz, 0 },
2703 { X86::VPACKSSWBZ256rrkz, X86::VPACKSSWBZ256rmkz, 0 },
2704 { X86::VPACKUSDWZ256rrkz, X86::VPACKUSDWZ256rmkz, 0 },
2705 { X86::VPACKUSWBZ256rrkz, X86::VPACKUSWBZ256rmkz, 0 },
2706 { X86::VPADDBZ256rrkz, X86::VPADDBZ256rmkz, 0 },
2707 { X86::VPADDDZ256rrkz, X86::VPADDDZ256rmkz, 0 },
2708 { X86::VPADDQZ256rrkz, X86::VPADDQZ256rmkz, 0 },
2709 { X86::VPADDSBZ256rrkz, X86::VPADDSBZ256rmkz, 0 },
2710 { X86::VPADDSWZ256rrkz, X86::VPADDSWZ256rmkz, 0 },
2711 { X86::VPADDUSBZ256rrkz, X86::VPADDUSBZ256rmkz, 0 },
2712 { X86::VPADDUSWZ256rrkz, X86::VPADDUSWZ256rmkz, 0 },
2713 { X86::VPADDWZ256rrkz, X86::VPADDWZ256rmkz, 0 },
2714 { X86::VPALIGNRZ256rrikz, X86::VPALIGNRZ256rmikz, 0 },
2715 { X86::VPANDDZ256rrkz, X86::VPANDDZ256rmkz, 0 },
2716 { X86::VPANDNDZ256rrkz, X86::VPANDNDZ256rmkz, 0 },
2717 { X86::VPANDNQZ256rrkz, X86::VPANDNQZ256rmkz, 0 },
2718 { X86::VPANDQZ256rrkz, X86::VPANDQZ256rmkz, 0 },
2719 { X86::VPAVGBZ256rrkz, X86::VPAVGBZ256rmkz, 0 },
2720 { X86::VPAVGWZ256rrkz, X86::VPAVGWZ256rmkz, 0 },
2721 { X86::VPERMBZ256rrkz, X86::VPERMBZ256rmkz, 0 },
2722 { X86::VPERMDZ256rrkz, X86::VPERMDZ256rmkz, 0 },
2723 { X86::VPERMILPDZ256rrkz, X86::VPERMILPDZ256rmkz, 0 },
2724 { X86::VPERMILPSZ256rrkz, X86::VPERMILPSZ256rmkz, 0 },
2725 { X86::VPERMPDZ256rrkz, X86::VPERMPDZ256rmkz, 0 },
2726 { X86::VPERMPSZ256rrkz, X86::VPERMPSZ256rmkz, 0 },
2727 { X86::VPERMQZ256rrkz, X86::VPERMQZ256rmkz, 0 },
2728 { X86::VPERMWZ256rrkz, X86::VPERMWZ256rmkz, 0 },
2729 { X86::VPMADDUBSWZ256rrkz, X86::VPMADDUBSWZ256rmkz, 0 },
2730 { X86::VPMADDWDZ256rrkz, X86::VPMADDWDZ256rmkz, 0 },
2731 { X86::VPMAXSBZ256rrkz, X86::VPMAXSBZ256rmkz, 0 },
2732 { X86::VPMAXSDZ256rrkz, X86::VPMAXSDZ256rmkz, 0 },
2733 { X86::VPMAXSQZ256rrkz, X86::VPMAXSQZ256rmkz, 0 },
2734 { X86::VPMAXSWZ256rrkz, X86::VPMAXSWZ256rmkz, 0 },
2735 { X86::VPMAXUBZ256rrkz, X86::VPMAXUBZ256rmkz, 0 },
2736 { X86::VPMAXUDZ256rrkz, X86::VPMAXUDZ256rmkz, 0 },
2737 { X86::VPMAXUQZ256rrkz, X86::VPMAXUQZ256rmkz, 0 },
2738 { X86::VPMAXUWZ256rrkz, X86::VPMAXUWZ256rmkz, 0 },
2739 { X86::VPMINSBZ256rrkz, X86::VPMINSBZ256rmkz, 0 },
2740 { X86::VPMINSDZ256rrkz, X86::VPMINSDZ256rmkz, 0 },
2741 { X86::VPMINSQZ256rrkz, X86::VPMINSQZ256rmkz, 0 },
2742 { X86::VPMINSWZ256rrkz, X86::VPMINSWZ256rmkz, 0 },
2743 { X86::VPMINUBZ256rrkz, X86::VPMINUBZ256rmkz, 0 },
2744 { X86::VPMINUDZ256rrkz, X86::VPMINUDZ256rmkz, 0 },
2745 { X86::VPMINUQZ256rrkz, X86::VPMINUQZ256rmkz, 0 },
2746 { X86::VPMINUWZ256rrkz, X86::VPMINUWZ256rmkz, 0 },
2747 { X86::VPMULDQZ256rrkz, X86::VPMULDQZ256rmkz, 0 },
2748 { X86::VPMULLDZ256rrkz, X86::VPMULLDZ256rmkz, 0 },
2749 { X86::VPMULLQZ256rrkz, X86::VPMULLQZ256rmkz, 0 },
2750 { X86::VPMULLWZ256rrkz, X86::VPMULLWZ256rmkz, 0 },
2751 { X86::VPMULUDQZ256rrkz, X86::VPMULUDQZ256rmkz, 0 },
2752 { X86::VPORDZ256rrkz, X86::VPORDZ256rmkz, 0 },
2753 { X86::VPORQZ256rrkz, X86::VPORQZ256rmkz, 0 },
2754 { X86::VPSHUFBZ256rrkz, X86::VPSHUFBZ256rmkz, 0 },
2755 { X86::VPSLLDZ256rrkz, X86::VPSLLDZ256rmkz, 0 },
2756 { X86::VPSLLQZ256rrkz, X86::VPSLLQZ256rmkz, 0 },
2757 { X86::VPSLLVDZ256rrkz, X86::VPSLLVDZ256rmkz, 0 },
2758 { X86::VPSLLVQZ256rrkz, X86::VPSLLVQZ256rmkz, 0 },
2759 { X86::VPSLLVWZ256rrkz, X86::VPSLLVWZ256rmkz, 0 },
2760 { X86::VPSLLWZ256rrkz, X86::VPSLLWZ256rmkz, 0 },
2761 { X86::VPSRADZ256rrkz, X86::VPSRADZ256rmkz, 0 },
2762 { X86::VPSRAQZ256rrkz, X86::VPSRAQZ256rmkz, 0 },
2763 { X86::VPSRAVDZ256rrkz, X86::VPSRAVDZ256rmkz, 0 },
2764 { X86::VPSRAVQZ256rrkz, X86::VPSRAVQZ256rmkz, 0 },
2765 { X86::VPSRAVWZ256rrkz, X86::VPSRAVWZ256rmkz, 0 },
2766 { X86::VPSRAWZ256rrkz, X86::VPSRAWZ256rmkz, 0 },
2767 { X86::VPSRLDZ256rrkz, X86::VPSRLDZ256rmkz, 0 },
2768 { X86::VPSRLQZ256rrkz, X86::VPSRLQZ256rmkz, 0 },
2769 { X86::VPSRLVDZ256rrkz, X86::VPSRLVDZ256rmkz, 0 },
2770 { X86::VPSRLVQZ256rrkz, X86::VPSRLVQZ256rmkz, 0 },
2771 { X86::VPSRLVWZ256rrkz, X86::VPSRLVWZ256rmkz, 0 },
2772 { X86::VPSRLWZ256rrkz, X86::VPSRLWZ256rmkz, 0 },
2773 { X86::VPSUBBZ256rrkz, X86::VPSUBBZ256rmkz, 0 },
2774 { X86::VPSUBDZ256rrkz, X86::VPSUBDZ256rmkz, 0 },
2775 { X86::VPSUBQZ256rrkz, X86::VPSUBQZ256rmkz, 0 },
2776 { X86::VPSUBSBZ256rrkz, X86::VPSUBSBZ256rmkz, 0 },
2777 { X86::VPSUBSWZ256rrkz, X86::VPSUBSWZ256rmkz, 0 },
2778 { X86::VPSUBUSBZ256rrkz, X86::VPSUBUSBZ256rmkz, 0 },
2779 { X86::VPSUBUSWZ256rrkz, X86::VPSUBUSWZ256rmkz, 0 },
2780 { X86::VPSUBWZ256rrkz, X86::VPSUBWZ256rmkz, 0 },
2781 { X86::VPUNPCKHBWZ256rrkz, X86::VPUNPCKHBWZ256rmkz, 0 },
2782 { X86::VPUNPCKHDQZ256rrkz, X86::VPUNPCKHDQZ256rmkz, 0 },
2783 { X86::VPUNPCKHQDQZ256rrkz, X86::VPUNPCKHQDQZ256rmkz, 0 },
2784 { X86::VPUNPCKHWDZ256rrkz, X86::VPUNPCKHWDZ256rmkz, 0 },
2785 { X86::VPUNPCKLBWZ256rrkz, X86::VPUNPCKLBWZ256rmkz, 0 },
2786 { X86::VPUNPCKLDQZ256rrkz, X86::VPUNPCKLDQZ256rmkz, 0 },
2787 { X86::VPUNPCKLQDQZ256rrkz, X86::VPUNPCKLQDQZ256rmkz, 0 },
2788 { X86::VPUNPCKLWDZ256rrkz, X86::VPUNPCKLWDZ256rmkz, 0 },
2789 { X86::VPXORDZ256rrkz, X86::VPXORDZ256rmkz, 0 },
2790 { X86::VPXORQZ256rrkz, X86::VPXORQZ256rmkz, 0 },
2791 { X86::VSHUFPDZ256rrikz, X86::VSHUFPDZ256rmikz, 0 },
2792 { X86::VSHUFPSZ256rrikz, X86::VSHUFPSZ256rmikz, 0 },
2793 { X86::VSUBPDZ256rrkz, X86::VSUBPDZ256rmkz, 0 },
2794 { X86::VSUBPSZ256rrkz, X86::VSUBPSZ256rmkz, 0 },
2795 { X86::VUNPCKHPDZ256rrkz, X86::VUNPCKHPDZ256rmkz, 0 },
2796 { X86::VUNPCKHPSZ256rrkz, X86::VUNPCKHPSZ256rmkz, 0 },
2797 { X86::VUNPCKLPDZ256rrkz, X86::VUNPCKLPDZ256rmkz, 0 },
2798 { X86::VUNPCKLPSZ256rrkz, X86::VUNPCKLPSZ256rmkz, 0 },
2799 { X86::VXORPDZ256rrkz, X86::VXORPDZ256rmkz, 0 },
2800 { X86::VXORPSZ256rrkz, X86::VXORPSZ256rmkz, 0 },
2801
2802 // AVX-512{F,VL} masked arithmetic instructions 128-bit
2803 { X86::VADDPDZ128rrkz, X86::VADDPDZ128rmkz, 0 },
2804 { X86::VADDPSZ128rrkz, X86::VADDPSZ128rmkz, 0 },
2805 { X86::VALIGNDZ128rrikz, X86::VALIGNDZ128rmikz, 0 },
2806 { X86::VALIGNQZ128rrikz, X86::VALIGNQZ128rmikz, 0 },
2807 { X86::VANDNPDZ128rrkz, X86::VANDNPDZ128rmkz, 0 },
2808 { X86::VANDNPSZ128rrkz, X86::VANDNPSZ128rmkz, 0 },
2809 { X86::VANDPDZ128rrkz, X86::VANDPDZ128rmkz, 0 },
2810 { X86::VANDPSZ128rrkz, X86::VANDPSZ128rmkz, 0 },
2811 { X86::VDIVPDZ128rrkz, X86::VDIVPDZ128rmkz, 0 },
2812 { X86::VDIVPSZ128rrkz, X86::VDIVPSZ128rmkz, 0 },
2813 { X86::VMAXCPDZ128rrkz, X86::VMAXCPDZ128rmkz, 0 },
2814 { X86::VMAXCPSZ128rrkz, X86::VMAXCPSZ128rmkz, 0 },
2815 { X86::VMAXPDZ128rrkz, X86::VMAXPDZ128rmkz, 0 },
2816 { X86::VMAXPSZ128rrkz, X86::VMAXPSZ128rmkz, 0 },
2817 { X86::VMINCPDZ128rrkz, X86::VMINCPDZ128rmkz, 0 },
2818 { X86::VMINCPSZ128rrkz, X86::VMINCPSZ128rmkz, 0 },
2819 { X86::VMINPDZ128rrkz, X86::VMINPDZ128rmkz, 0 },
2820 { X86::VMINPSZ128rrkz, X86::VMINPSZ128rmkz, 0 },
2821 { X86::VMULPDZ128rrkz, X86::VMULPDZ128rmkz, 0 },
2822 { X86::VMULPSZ128rrkz, X86::VMULPSZ128rmkz, 0 },
2823 { X86::VORPDZ128rrkz, X86::VORPDZ128rmkz, 0 },
2824 { X86::VORPSZ128rrkz, X86::VORPSZ128rmkz, 0 },
2825 { X86::VPACKSSDWZ128rrkz, X86::VPACKSSDWZ128rmkz, 0 },
2826 { X86::VPACKSSWBZ128rrkz, X86::VPACKSSWBZ128rmkz, 0 },
2827 { X86::VPACKUSDWZ128rrkz, X86::VPACKUSDWZ128rmkz, 0 },
2828 { X86::VPACKUSWBZ128rrkz, X86::VPACKUSWBZ128rmkz, 0 },
2829 { X86::VPADDBZ128rrkz, X86::VPADDBZ128rmkz, 0 },
2830 { X86::VPADDDZ128rrkz, X86::VPADDDZ128rmkz, 0 },
2831 { X86::VPADDQZ128rrkz, X86::VPADDQZ128rmkz, 0 },
2832 { X86::VPADDSBZ128rrkz, X86::VPADDSBZ128rmkz, 0 },
2833 { X86::VPADDSWZ128rrkz, X86::VPADDSWZ128rmkz, 0 },
2834 { X86::VPADDUSBZ128rrkz, X86::VPADDUSBZ128rmkz, 0 },
2835 { X86::VPADDUSWZ128rrkz, X86::VPADDUSWZ128rmkz, 0 },
2836 { X86::VPADDWZ128rrkz, X86::VPADDWZ128rmkz, 0 },
2837 { X86::VPALIGNRZ128rrikz, X86::VPALIGNRZ128rmikz, 0 },
2838 { X86::VPANDDZ128rrkz, X86::VPANDDZ128rmkz, 0 },
2839 { X86::VPANDNDZ128rrkz, X86::VPANDNDZ128rmkz, 0 },
2840 { X86::VPANDNQZ128rrkz, X86::VPANDNQZ128rmkz, 0 },
2841 { X86::VPANDQZ128rrkz, X86::VPANDQZ128rmkz, 0 },
2842 { X86::VPAVGBZ128rrkz, X86::VPAVGBZ128rmkz, 0 },
2843 { X86::VPAVGWZ128rrkz, X86::VPAVGWZ128rmkz, 0 },
2844 { X86::VPERMBZ128rrkz, X86::VPERMBZ128rmkz, 0 },
2845 { X86::VPERMILPDZ128rrkz, X86::VPERMILPDZ128rmkz, 0 },
2846 { X86::VPERMILPSZ128rrkz, X86::VPERMILPSZ128rmkz, 0 },
2847 { X86::VPERMWZ128rrkz, X86::VPERMWZ128rmkz, 0 },
2848 { X86::VPMADDUBSWZ128rrkz, X86::VPMADDUBSWZ128rmkz, 0 },
2849 { X86::VPMADDWDZ128rrkz, X86::VPMADDWDZ128rmkz, 0 },
2850 { X86::VPMAXSBZ128rrkz, X86::VPMAXSBZ128rmkz, 0 },
2851 { X86::VPMAXSDZ128rrkz, X86::VPMAXSDZ128rmkz, 0 },
2852 { X86::VPMAXSQZ128rrkz, X86::VPMAXSQZ128rmkz, 0 },
2853 { X86::VPMAXSWZ128rrkz, X86::VPMAXSWZ128rmkz, 0 },
2854 { X86::VPMAXUBZ128rrkz, X86::VPMAXUBZ128rmkz, 0 },
2855 { X86::VPMAXUDZ128rrkz, X86::VPMAXUDZ128rmkz, 0 },
2856 { X86::VPMAXUQZ128rrkz, X86::VPMAXUQZ128rmkz, 0 },
2857 { X86::VPMAXUWZ128rrkz, X86::VPMAXUWZ128rmkz, 0 },
2858 { X86::VPMINSBZ128rrkz, X86::VPMINSBZ128rmkz, 0 },
2859 { X86::VPMINSDZ128rrkz, X86::VPMINSDZ128rmkz, 0 },
2860 { X86::VPMINSQZ128rrkz, X86::VPMINSQZ128rmkz, 0 },
2861 { X86::VPMINSWZ128rrkz, X86::VPMINSWZ128rmkz, 0 },
2862 { X86::VPMINUBZ128rrkz, X86::VPMINUBZ128rmkz, 0 },
2863 { X86::VPMINUDZ128rrkz, X86::VPMINUDZ128rmkz, 0 },
2864 { X86::VPMINUQZ128rrkz, X86::VPMINUQZ128rmkz, 0 },
2865 { X86::VPMINUWZ128rrkz, X86::VPMINUWZ128rmkz, 0 },
2866 { X86::VPMULDQZ128rrkz, X86::VPMULDQZ128rmkz, 0 },
2867 { X86::VPMULLDZ128rrkz, X86::VPMULLDZ128rmkz, 0 },
2868 { X86::VPMULLQZ128rrkz, X86::VPMULLQZ128rmkz, 0 },
2869 { X86::VPMULLWZ128rrkz, X86::VPMULLWZ128rmkz, 0 },
2870 { X86::VPMULUDQZ128rrkz, X86::VPMULUDQZ128rmkz, 0 },
2871 { X86::VPORDZ128rrkz, X86::VPORDZ128rmkz, 0 },
2872 { X86::VPORQZ128rrkz, X86::VPORQZ128rmkz, 0 },
2873 { X86::VPSHUFBZ128rrkz, X86::VPSHUFBZ128rmkz, 0 },
2874 { X86::VPSLLDZ128rrkz, X86::VPSLLDZ128rmkz, 0 },
2875 { X86::VPSLLQZ128rrkz, X86::VPSLLQZ128rmkz, 0 },
2876 { X86::VPSLLVDZ128rrkz, X86::VPSLLVDZ128rmkz, 0 },
2877 { X86::VPSLLVQZ128rrkz, X86::VPSLLVQZ128rmkz, 0 },
2878 { X86::VPSLLVWZ128rrkz, X86::VPSLLVWZ128rmkz, 0 },
2879 { X86::VPSLLWZ128rrkz, X86::VPSLLWZ128rmkz, 0 },
2880 { X86::VPSRADZ128rrkz, X86::VPSRADZ128rmkz, 0 },
2881 { X86::VPSRAQZ128rrkz, X86::VPSRAQZ128rmkz, 0 },
2882 { X86::VPSRAVDZ128rrkz, X86::VPSRAVDZ128rmkz, 0 },
2883 { X86::VPSRAVQZ128rrkz, X86::VPSRAVQZ128rmkz, 0 },
2884 { X86::VPSRAVWZ128rrkz, X86::VPSRAVWZ128rmkz, 0 },
2885 { X86::VPSRAWZ128rrkz, X86::VPSRAWZ128rmkz, 0 },
2886 { X86::VPSRLDZ128rrkz, X86::VPSRLDZ128rmkz, 0 },
2887 { X86::VPSRLQZ128rrkz, X86::VPSRLQZ128rmkz, 0 },
2888 { X86::VPSRLVDZ128rrkz, X86::VPSRLVDZ128rmkz, 0 },
2889 { X86::VPSRLVQZ128rrkz, X86::VPSRLVQZ128rmkz, 0 },
2890 { X86::VPSRLVWZ128rrkz, X86::VPSRLVWZ128rmkz, 0 },
2891 { X86::VPSRLWZ128rrkz, X86::VPSRLWZ128rmkz, 0 },
2892 { X86::VPSUBBZ128rrkz, X86::VPSUBBZ128rmkz, 0 },
2893 { X86::VPSUBDZ128rrkz, X86::VPSUBDZ128rmkz, 0 },
2894 { X86::VPSUBQZ128rrkz, X86::VPSUBQZ128rmkz, 0 },
2895 { X86::VPSUBSBZ128rrkz, X86::VPSUBSBZ128rmkz, 0 },
2896 { X86::VPSUBSWZ128rrkz, X86::VPSUBSWZ128rmkz, 0 },
2897 { X86::VPSUBUSBZ128rrkz, X86::VPSUBUSBZ128rmkz, 0 },
2898 { X86::VPSUBUSWZ128rrkz, X86::VPSUBUSWZ128rmkz, 0 },
2899 { X86::VPSUBWZ128rrkz, X86::VPSUBWZ128rmkz, 0 },
2900 { X86::VPUNPCKHBWZ128rrkz, X86::VPUNPCKHBWZ128rmkz, 0 },
2901 { X86::VPUNPCKHDQZ128rrkz, X86::VPUNPCKHDQZ128rmkz, 0 },
2902 { X86::VPUNPCKHQDQZ128rrkz, X86::VPUNPCKHQDQZ128rmkz, 0 },
2903 { X86::VPUNPCKHWDZ128rrkz, X86::VPUNPCKHWDZ128rmkz, 0 },
2904 { X86::VPUNPCKLBWZ128rrkz, X86::VPUNPCKLBWZ128rmkz, 0 },
2905 { X86::VPUNPCKLDQZ128rrkz, X86::VPUNPCKLDQZ128rmkz, 0 },
2906 { X86::VPUNPCKLQDQZ128rrkz, X86::VPUNPCKLQDQZ128rmkz, 0 },
2907 { X86::VPUNPCKLWDZ128rrkz, X86::VPUNPCKLWDZ128rmkz, 0 },
2908 { X86::VPXORDZ128rrkz, X86::VPXORDZ128rmkz, 0 },
2909 { X86::VPXORQZ128rrkz, X86::VPXORQZ128rmkz, 0 },
2910 { X86::VSHUFPDZ128rrikz, X86::VSHUFPDZ128rmikz, 0 },
2911 { X86::VSHUFPSZ128rrikz, X86::VSHUFPSZ128rmikz, 0 },
2912 { X86::VSUBPDZ128rrkz, X86::VSUBPDZ128rmkz, 0 },
2913 { X86::VSUBPSZ128rrkz, X86::VSUBPSZ128rmkz, 0 },
2914 { X86::VUNPCKHPDZ128rrkz, X86::VUNPCKHPDZ128rmkz, 0 },
2915 { X86::VUNPCKHPSZ128rrkz, X86::VUNPCKHPSZ128rmkz, 0 },
2916 { X86::VUNPCKLPDZ128rrkz, X86::VUNPCKLPDZ128rmkz, 0 },
2917 { X86::VUNPCKLPSZ128rrkz, X86::VUNPCKLPSZ128rmkz, 0 },
2918 { X86::VXORPDZ128rrkz, X86::VXORPDZ128rmkz, 0 },
2919 { X86::VXORPSZ128rrkz, X86::VXORPSZ128rmkz, 0 },
2920
2921 // AVX-512 masked foldable instructions
2922 { X86::VBROADCASTSSZrk, X86::VBROADCASTSSZmk, TB_NO_REVERSE },
2923 { X86::VBROADCASTSDZrk, X86::VBROADCASTSDZmk, TB_NO_REVERSE },
2924 { X86::VPABSBZrrk, X86::VPABSBZrmk, 0 },
2925 { X86::VPABSDZrrk, X86::VPABSDZrmk, 0 },
2926 { X86::VPABSQZrrk, X86::VPABSQZrmk, 0 },
2927 { X86::VPABSWZrrk, X86::VPABSWZrmk, 0 },
2928 { X86::VPERMILPDZrik, X86::VPERMILPDZmik, 0 },
2929 { X86::VPERMILPSZrik, X86::VPERMILPSZmik, 0 },
2930 { X86::VPERMPDZrik, X86::VPERMPDZmik, 0 },
2931 { X86::VPERMQZrik, X86::VPERMQZmik, 0 },
2932 { X86::VPMOVSXBDZrrk, X86::VPMOVSXBDZrmk, 0 },
2933 { X86::VPMOVSXBQZrrk, X86::VPMOVSXBQZrmk, TB_NO_REVERSE },
2934 { X86::VPMOVSXBWZrrk, X86::VPMOVSXBWZrmk, 0 },
2935 { X86::VPMOVSXDQZrrk, X86::VPMOVSXDQZrmk, 0 },
2936 { X86::VPMOVSXWDZrrk, X86::VPMOVSXWDZrmk, 0 },
2937 { X86::VPMOVSXWQZrrk, X86::VPMOVSXWQZrmk, 0 },
2938 { X86::VPMOVZXBDZrrk, X86::VPMOVZXBDZrmk, 0 },
2939 { X86::VPMOVZXBQZrrk, X86::VPMOVZXBQZrmk, TB_NO_REVERSE },
2940 { X86::VPMOVZXBWZrrk, X86::VPMOVZXBWZrmk, 0 },
2941 { X86::VPMOVZXDQZrrk, X86::VPMOVZXDQZrmk, 0 },
2942 { X86::VPMOVZXWDZrrk, X86::VPMOVZXWDZrmk, 0 },
2943 { X86::VPMOVZXWQZrrk, X86::VPMOVZXWQZrmk, 0 },
2944 { X86::VPSHUFDZrik, X86::VPSHUFDZmik, 0 },
2945 { X86::VPSHUFHWZrik, X86::VPSHUFHWZmik, 0 },
2946 { X86::VPSHUFLWZrik, X86::VPSHUFLWZmik, 0 },
2947 { X86::VPSLLDZrik, X86::VPSLLDZmik, 0 },
2948 { X86::VPSLLQZrik, X86::VPSLLQZmik, 0 },
2949 { X86::VPSLLWZrik, X86::VPSLLWZmik, 0 },
2950 { X86::VPSRADZrik, X86::VPSRADZmik, 0 },
2951 { X86::VPSRAQZrik, X86::VPSRAQZmik, 0 },
2952 { X86::VPSRAWZrik, X86::VPSRAWZmik, 0 },
2953 { X86::VPSRLDZrik, X86::VPSRLDZmik, 0 },
2954 { X86::VPSRLQZrik, X86::VPSRLQZmik, 0 },
2955 { X86::VPSRLWZrik, X86::VPSRLWZmik, 0 },
2956
2957 // AVX-512VL 256-bit masked foldable instructions
2958 { X86::VBROADCASTSSZ256rk, X86::VBROADCASTSSZ256mk, TB_NO_REVERSE },
2959 { X86::VBROADCASTSDZ256rk, X86::VBROADCASTSDZ256mk, TB_NO_REVERSE },
2960 { X86::VPABSBZ256rrk, X86::VPABSBZ256rmk, 0 },
2961 { X86::VPABSDZ256rrk, X86::VPABSDZ256rmk, 0 },
2962 { X86::VPABSQZ256rrk, X86::VPABSQZ256rmk, 0 },
2963 { X86::VPABSWZ256rrk, X86::VPABSWZ256rmk, 0 },
2964 { X86::VPERMILPDZ256rik, X86::VPERMILPDZ256mik, 0 },
2965 { X86::VPERMILPSZ256rik, X86::VPERMILPSZ256mik, 0 },
2966 { X86::VPERMPDZ256rik, X86::VPERMPDZ256mik, 0 },
2967 { X86::VPERMQZ256rik, X86::VPERMQZ256mik, 0 },
2968 { X86::VPMOVSXBDZ256rrk, X86::VPMOVSXBDZ256rmk, TB_NO_REVERSE },
2969 { X86::VPMOVSXBQZ256rrk, X86::VPMOVSXBQZ256rmk, TB_NO_REVERSE },
2970 { X86::VPMOVSXBWZ256rrk, X86::VPMOVSXBWZ256rmk, 0 },
2971 { X86::VPMOVSXDQZ256rrk, X86::VPMOVSXDQZ256rmk, 0 },
2972 { X86::VPMOVSXWDZ256rrk, X86::VPMOVSXWDZ256rmk, 0 },
2973 { X86::VPMOVSXWQZ256rrk, X86::VPMOVSXWQZ256rmk, TB_NO_REVERSE },
2974 { X86::VPMOVZXBDZ256rrk, X86::VPMOVZXBDZ256rmk, TB_NO_REVERSE },
2975 { X86::VPMOVZXBQZ256rrk, X86::VPMOVZXBQZ256rmk, TB_NO_REVERSE },
2976 { X86::VPMOVZXBWZ256rrk, X86::VPMOVZXBWZ256rmk, 0 },
2977 { X86::VPMOVZXDQZ256rrk, X86::VPMOVZXDQZ256rmk, 0 },
2978 { X86::VPMOVZXWDZ256rrk, X86::VPMOVZXWDZ256rmk, 0 },
2979 { X86::VPMOVZXWQZ256rrk, X86::VPMOVZXWQZ256rmk, TB_NO_REVERSE },
2980 { X86::VPSHUFDZ256rik, X86::VPSHUFDZ256mik, 0 },
2981 { X86::VPSHUFHWZ256rik, X86::VPSHUFHWZ256mik, 0 },
2982 { X86::VPSHUFLWZ256rik, X86::VPSHUFLWZ256mik, 0 },
2983 { X86::VPSLLDZ256rik, X86::VPSLLDZ256mik, 0 },
2984 { X86::VPSLLQZ256rik, X86::VPSLLQZ256mik, 0 },
2985 { X86::VPSLLWZ256rik, X86::VPSLLWZ256mik, 0 },
2986 { X86::VPSRADZ256rik, X86::VPSRADZ256mik, 0 },
2987 { X86::VPSRAQZ256rik, X86::VPSRAQZ256mik, 0 },
2988 { X86::VPSRAWZ256rik, X86::VPSRAWZ256mik, 0 },
2989 { X86::VPSRLDZ256rik, X86::VPSRLDZ256mik, 0 },
2990 { X86::VPSRLQZ256rik, X86::VPSRLQZ256mik, 0 },
2991 { X86::VPSRLWZ256rik, X86::VPSRLWZ256mik, 0 },
2992
2993 // AVX-512VL 128-bit masked foldable instructions
2994 { X86::VBROADCASTSSZ128rk, X86::VBROADCASTSSZ128mk, TB_NO_REVERSE },
2995 { X86::VPABSBZ128rrk, X86::VPABSBZ128rmk, 0 },
2996 { X86::VPABSDZ128rrk, X86::VPABSDZ128rmk, 0 },
2997 { X86::VPABSQZ128rrk, X86::VPABSQZ128rmk, 0 },
2998 { X86::VPABSWZ128rrk, X86::VPABSWZ128rmk, 0 },
2999 { X86::VPERMILPDZ128rik, X86::VPERMILPDZ128mik, 0 },
3000 { X86::VPERMILPSZ128rik, X86::VPERMILPSZ128mik, 0 },
3001 { X86::VPMOVSXBDZ128rrk, X86::VPMOVSXBDZ128rmk, TB_NO_REVERSE },
3002 { X86::VPMOVSXBQZ128rrk, X86::VPMOVSXBQZ128rmk, TB_NO_REVERSE },
3003 { X86::VPMOVSXBWZ128rrk, X86::VPMOVSXBWZ128rmk, TB_NO_REVERSE },
3004 { X86::VPMOVSXDQZ128rrk, X86::VPMOVSXDQZ128rmk, TB_NO_REVERSE },
3005 { X86::VPMOVSXWDZ128rrk, X86::VPMOVSXWDZ128rmk, TB_NO_REVERSE },
3006 { X86::VPMOVSXWQZ128rrk, X86::VPMOVSXWQZ128rmk, TB_NO_REVERSE },
3007 { X86::VPMOVZXBDZ128rrk, X86::VPMOVZXBDZ128rmk, TB_NO_REVERSE },
3008 { X86::VPMOVZXBQZ128rrk, X86::VPMOVZXBQZ128rmk, TB_NO_REVERSE },
3009 { X86::VPMOVZXBWZ128rrk, X86::VPMOVZXBWZ128rmk, TB_NO_REVERSE },
3010 { X86::VPMOVZXDQZ128rrk, X86::VPMOVZXDQZ128rmk, TB_NO_REVERSE },
3011 { X86::VPMOVZXWDZ128rrk, X86::VPMOVZXWDZ128rmk, TB_NO_REVERSE },
3012 { X86::VPMOVZXWQZ128rrk, X86::VPMOVZXWQZ128rmk, TB_NO_REVERSE },
3013 { X86::VPSHUFDZ128rik, X86::VPSHUFDZ128mik, 0 },
3014 { X86::VPSHUFHWZ128rik, X86::VPSHUFHWZ128mik, 0 },
3015 { X86::VPSHUFLWZ128rik, X86::VPSHUFLWZ128mik, 0 },
3016 { X86::VPSLLDZ128rik, X86::VPSLLDZ128mik, 0 },
3017 { X86::VPSLLQZ128rik, X86::VPSLLQZ128mik, 0 },
3018 { X86::VPSLLWZ128rik, X86::VPSLLWZ128mik, 0 },
3019 { X86::VPSRADZ128rik, X86::VPSRADZ128mik, 0 },
3020 { X86::VPSRAQZ128rik, X86::VPSRAQZ128mik, 0 },
3021 { X86::VPSRAWZ128rik, X86::VPSRAWZ128mik, 0 },
3022 { X86::VPSRLDZ128rik, X86::VPSRLDZ128mik, 0 },
3023 { X86::VPSRLQZ128rik, X86::VPSRLQZ128mik, 0 },
3024 { X86::VPSRLWZ128rik, X86::VPSRLWZ128mik, 0 },
3025 };
3026
3027 for (X86MemoryFoldTableEntry Entry : MemoryFoldTable3) {
3028 AddTableEntry(RegOp2MemOpTable3, MemOp2RegOpTable,
3029 Entry.RegOp, Entry.MemOp,
3030 // Index 3, folded load
3031 Entry.Flags | TB_INDEX_3 | TB_FOLDED_LOAD);
3032 }
3033 auto I = X86InstrFMA3Info::rm_begin();
3034 auto E = X86InstrFMA3Info::rm_end();
3035 for (; I != E; ++I) {
3036 if (!I.getGroup()->isKMasked()) {
3037 // Intrinsic forms need to pass TB_NO_REVERSE.
3038 if (I.getGroup()->isIntrinsic()) {
3039 AddTableEntry(RegOp2MemOpTable3, MemOp2RegOpTable,
3040 I.getRegOpcode(), I.getMemOpcode(),
3041 TB_ALIGN_NONE | TB_INDEX_3 | TB_FOLDED_LOAD | TB_NO_REVERSE);
3042 } else {
3043 AddTableEntry(RegOp2MemOpTable3, MemOp2RegOpTable,
3044 I.getRegOpcode(), I.getMemOpcode(),
3045 TB_ALIGN_NONE | TB_INDEX_3 | TB_FOLDED_LOAD);
3046 }
3047 }
3048 }
3049
3050 static const X86MemoryFoldTableEntry MemoryFoldTable4[] = {
3051 // AVX-512 foldable masked instructions
3052 { X86::VADDPDZrrk, X86::VADDPDZrmk, 0 },
3053 { X86::VADDPSZrrk, X86::VADDPSZrmk, 0 },
3054 { X86::VADDSDZrr_Intk, X86::VADDSDZrm_Intk, TB_NO_REVERSE },
3055 { X86::VADDSSZrr_Intk, X86::VADDSSZrm_Intk, TB_NO_REVERSE },
3056 { X86::VALIGNDZrrik, X86::VALIGNDZrmik, 0 },
3057 { X86::VALIGNQZrrik, X86::VALIGNQZrmik, 0 },
3058 { X86::VANDNPDZrrk, X86::VANDNPDZrmk, 0 },
3059 { X86::VANDNPSZrrk, X86::VANDNPSZrmk, 0 },
3060 { X86::VANDPDZrrk, X86::VANDPDZrmk, 0 },
3061 { X86::VANDPSZrrk, X86::VANDPSZrmk, 0 },
3062 { X86::VDIVPDZrrk, X86::VDIVPDZrmk, 0 },
3063 { X86::VDIVPSZrrk, X86::VDIVPSZrmk, 0 },
3064 { X86::VDIVSDZrr_Intk, X86::VDIVSDZrm_Intk, TB_NO_REVERSE },
3065 { X86::VDIVSSZrr_Intk, X86::VDIVSSZrm_Intk, TB_NO_REVERSE },
3066 { X86::VINSERTF32x4Zrrk, X86::VINSERTF32x4Zrmk, 0 },
3067 { X86::VINSERTF32x8Zrrk, X86::VINSERTF32x8Zrmk, 0 },
3068 { X86::VINSERTF64x2Zrrk, X86::VINSERTF64x2Zrmk, 0 },
3069 { X86::VINSERTF64x4Zrrk, X86::VINSERTF64x4Zrmk, 0 },
3070 { X86::VINSERTI32x4Zrrk, X86::VINSERTI32x4Zrmk, 0 },
3071 { X86::VINSERTI32x8Zrrk, X86::VINSERTI32x8Zrmk, 0 },
3072 { X86::VINSERTI64x2Zrrk, X86::VINSERTI64x2Zrmk, 0 },
3073 { X86::VINSERTI64x4Zrrk, X86::VINSERTI64x4Zrmk, 0 },
3074 { X86::VMAXCPDZrrk, X86::VMAXCPDZrmk, 0 },
3075 { X86::VMAXCPSZrrk, X86::VMAXCPSZrmk, 0 },
3076 { X86::VMAXPDZrrk, X86::VMAXPDZrmk, 0 },
3077 { X86::VMAXPSZrrk, X86::VMAXPSZrmk, 0 },
3078 { X86::VMAXSDZrr_Intk, X86::VMAXSDZrm_Intk, 0 },
3079 { X86::VMAXSSZrr_Intk, X86::VMAXSSZrm_Intk, 0 },
3080 { X86::VMINCPDZrrk, X86::VMINCPDZrmk, 0 },
3081 { X86::VMINCPSZrrk, X86::VMINCPSZrmk, 0 },
3082 { X86::VMINPDZrrk, X86::VMINPDZrmk, 0 },
3083 { X86::VMINPSZrrk, X86::VMINPSZrmk, 0 },
3084 { X86::VMINSDZrr_Intk, X86::VMINSDZrm_Intk, 0 },
3085 { X86::VMINSSZrr_Intk, X86::VMINSSZrm_Intk, 0 },
3086 { X86::VMULPDZrrk, X86::VMULPDZrmk, 0 },
3087 { X86::VMULPSZrrk, X86::VMULPSZrmk, 0 },
3088 { X86::VMULSDZrr_Intk, X86::VMULSDZrm_Intk, TB_NO_REVERSE },
3089 { X86::VMULSSZrr_Intk, X86::VMULSSZrm_Intk, TB_NO_REVERSE },
3090 { X86::VORPDZrrk, X86::VORPDZrmk, 0 },
3091 { X86::VORPSZrrk, X86::VORPSZrmk, 0 },
3092 { X86::VPACKSSDWZrrk, X86::VPACKSSDWZrmk, 0 },
3093 { X86::VPACKSSWBZrrk, X86::VPACKSSWBZrmk, 0 },
3094 { X86::VPACKUSDWZrrk, X86::VPACKUSDWZrmk, 0 },
3095 { X86::VPACKUSWBZrrk, X86::VPACKUSWBZrmk, 0 },
3096 { X86::VPADDBZrrk, X86::VPADDBZrmk, 0 },
3097 { X86::VPADDDZrrk, X86::VPADDDZrmk, 0 },
3098 { X86::VPADDQZrrk, X86::VPADDQZrmk, 0 },
3099 { X86::VPADDSBZrrk, X86::VPADDSBZrmk, 0 },
3100 { X86::VPADDSWZrrk, X86::VPADDSWZrmk, 0 },
3101 { X86::VPADDUSBZrrk, X86::VPADDUSBZrmk, 0 },
3102 { X86::VPADDUSWZrrk, X86::VPADDUSWZrmk, 0 },
3103 { X86::VPADDWZrrk, X86::VPADDWZrmk, 0 },
3104 { X86::VPALIGNRZrrik, X86::VPALIGNRZrmik, 0 },
3105 { X86::VPANDDZrrk, X86::VPANDDZrmk, 0 },
3106 { X86::VPANDNDZrrk, X86::VPANDNDZrmk, 0 },
3107 { X86::VPANDNQZrrk, X86::VPANDNQZrmk, 0 },
3108 { X86::VPANDQZrrk, X86::VPANDQZrmk, 0 },
3109 { X86::VPAVGBZrrk, X86::VPAVGBZrmk, 0 },
3110 { X86::VPAVGWZrrk, X86::VPAVGWZrmk, 0 },
3111 { X86::VPERMBZrrk, X86::VPERMBZrmk, 0 },
3112 { X86::VPERMDZrrk, X86::VPERMDZrmk, 0 },
3113 { X86::VPERMI2Brrk, X86::VPERMI2Brmk, 0 },
3114 { X86::VPERMI2Drrk, X86::VPERMI2Drmk, 0 },
3115 { X86::VPERMI2PSrrk, X86::VPERMI2PSrmk, 0 },
3116 { X86::VPERMI2PDrrk, X86::VPERMI2PDrmk, 0 },
3117 { X86::VPERMI2Qrrk, X86::VPERMI2Qrmk, 0 },
3118 { X86::VPERMI2Wrrk, X86::VPERMI2Wrmk, 0 },
3119 { X86::VPERMILPDZrrk, X86::VPERMILPDZrmk, 0 },
3120 { X86::VPERMILPSZrrk, X86::VPERMILPSZrmk, 0 },
3121 { X86::VPERMPDZrrk, X86::VPERMPDZrmk, 0 },
3122 { X86::VPERMPSZrrk, X86::VPERMPSZrmk, 0 },
3123 { X86::VPERMQZrrk, X86::VPERMQZrmk, 0 },
3124 { X86::VPERMT2Brrk, X86::VPERMT2Brmk, 0 },
3125 { X86::VPERMT2Drrk, X86::VPERMT2Drmk, 0 },
3126 { X86::VPERMT2PSrrk, X86::VPERMT2PSrmk, 0 },
3127 { X86::VPERMT2PDrrk, X86::VPERMT2PDrmk, 0 },
3128 { X86::VPERMT2Qrrk, X86::VPERMT2Qrmk, 0 },
3129 { X86::VPERMT2Wrrk, X86::VPERMT2Wrmk, 0 },
3130 { X86::VPERMWZrrk, X86::VPERMWZrmk, 0 },
3131 { X86::VPMADDUBSWZrrk, X86::VPMADDUBSWZrmk, 0 },
3132 { X86::VPMADDWDZrrk, X86::VPMADDWDZrmk, 0 },
3133 { X86::VPMAXSBZrrk, X86::VPMAXSBZrmk, 0 },
3134 { X86::VPMAXSDZrrk, X86::VPMAXSDZrmk, 0 },
3135 { X86::VPMAXSQZrrk, X86::VPMAXSQZrmk, 0 },
3136 { X86::VPMAXSWZrrk, X86::VPMAXSWZrmk, 0 },
3137 { X86::VPMAXUBZrrk, X86::VPMAXUBZrmk, 0 },
3138 { X86::VPMAXUDZrrk, X86::VPMAXUDZrmk, 0 },
3139 { X86::VPMAXUQZrrk, X86::VPMAXUQZrmk, 0 },
3140 { X86::VPMAXUWZrrk, X86::VPMAXUWZrmk, 0 },
3141 { X86::VPMINSBZrrk, X86::VPMINSBZrmk, 0 },
3142 { X86::VPMINSDZrrk, X86::VPMINSDZrmk, 0 },
3143 { X86::VPMINSQZrrk, X86::VPMINSQZrmk, 0 },
3144 { X86::VPMINSWZrrk, X86::VPMINSWZrmk, 0 },
3145 { X86::VPMINUBZrrk, X86::VPMINUBZrmk, 0 },
3146 { X86::VPMINUDZrrk, X86::VPMINUDZrmk, 0 },
3147 { X86::VPMINUQZrrk, X86::VPMINUQZrmk, 0 },
3148 { X86::VPMINUWZrrk, X86::VPMINUWZrmk, 0 },
3149 { X86::VPMULDQZrrk, X86::VPMULDQZrmk, 0 },
3150 { X86::VPMULLDZrrk, X86::VPMULLDZrmk, 0 },
3151 { X86::VPMULLQZrrk, X86::VPMULLQZrmk, 0 },
3152 { X86::VPMULLWZrrk, X86::VPMULLWZrmk, 0 },
3153 { X86::VPMULUDQZrrk, X86::VPMULUDQZrmk, 0 },
3154 { X86::VPORDZrrk, X86::VPORDZrmk, 0 },
3155 { X86::VPORQZrrk, X86::VPORQZrmk, 0 },
3156 { X86::VPSHUFBZrrk, X86::VPSHUFBZrmk, 0 },
3157 { X86::VPSLLDZrrk, X86::VPSLLDZrmk, 0 },
3158 { X86::VPSLLQZrrk, X86::VPSLLQZrmk, 0 },
3159 { X86::VPSLLVDZrrk, X86::VPSLLVDZrmk, 0 },
3160 { X86::VPSLLVQZrrk, X86::VPSLLVQZrmk, 0 },
3161 { X86::VPSLLVWZrrk, X86::VPSLLVWZrmk, 0 },
3162 { X86::VPSLLWZrrk, X86::VPSLLWZrmk, 0 },
3163 { X86::VPSRADZrrk, X86::VPSRADZrmk, 0 },
3164 { X86::VPSRAQZrrk, X86::VPSRAQZrmk, 0 },
3165 { X86::VPSRAVDZrrk, X86::VPSRAVDZrmk, 0 },
3166 { X86::VPSRAVQZrrk, X86::VPSRAVQZrmk, 0 },
3167 { X86::VPSRAVWZrrk, X86::VPSRAVWZrmk, 0 },
3168 { X86::VPSRAWZrrk, X86::VPSRAWZrmk, 0 },
3169 { X86::VPSRLDZrrk, X86::VPSRLDZrmk, 0 },
3170 { X86::VPSRLQZrrk, X86::VPSRLQZrmk, 0 },
3171 { X86::VPSRLVDZrrk, X86::VPSRLVDZrmk, 0 },
3172 { X86::VPSRLVQZrrk, X86::VPSRLVQZrmk, 0 },
3173 { X86::VPSRLVWZrrk, X86::VPSRLVWZrmk, 0 },
3174 { X86::VPSRLWZrrk, X86::VPSRLWZrmk, 0 },
3175 { X86::VPSUBBZrrk, X86::VPSUBBZrmk, 0 },
3176 { X86::VPSUBDZrrk, X86::VPSUBDZrmk, 0 },
3177 { X86::VPSUBQZrrk, X86::VPSUBQZrmk, 0 },
3178 { X86::VPSUBSBZrrk, X86::VPSUBSBZrmk, 0 },
3179 { X86::VPSUBSWZrrk, X86::VPSUBSWZrmk, 0 },
3180 { X86::VPSUBUSBZrrk, X86::VPSUBUSBZrmk, 0 },
3181 { X86::VPSUBUSWZrrk, X86::VPSUBUSWZrmk, 0 },
3182 { X86::VPTERNLOGDZrrik, X86::VPTERNLOGDZrmik, 0 },
3183 { X86::VPTERNLOGQZrrik, X86::VPTERNLOGQZrmik, 0 },
3184 { X86::VPUNPCKHBWZrrk, X86::VPUNPCKHBWZrmk, 0 },
3185 { X86::VPUNPCKHDQZrrk, X86::VPUNPCKHDQZrmk, 0 },
3186 { X86::VPUNPCKHQDQZrrk, X86::VPUNPCKHQDQZrmk, 0 },
3187 { X86::VPUNPCKHWDZrrk, X86::VPUNPCKHWDZrmk, 0 },
3188 { X86::VPUNPCKLBWZrrk, X86::VPUNPCKLBWZrmk, 0 },
3189 { X86::VPUNPCKLDQZrrk, X86::VPUNPCKLDQZrmk, 0 },
3190 { X86::VPUNPCKLQDQZrrk, X86::VPUNPCKLQDQZrmk, 0 },
3191 { X86::VPUNPCKLWDZrrk, X86::VPUNPCKLWDZrmk, 0 },
3192 { X86::VPXORDZrrk, X86::VPXORDZrmk, 0 },
3193 { X86::VPXORQZrrk, X86::VPXORQZrmk, 0 },
3194 { X86::VSHUFPDZrrik, X86::VSHUFPDZrmik, 0 },
3195 { X86::VSHUFPSZrrik, X86::VSHUFPSZrmik, 0 },
3196 { X86::VSUBPDZrrk, X86::VSUBPDZrmk, 0 },
3197 { X86::VSUBPSZrrk, X86::VSUBPSZrmk, 0 },
3198 { X86::VSUBSDZrr_Intk, X86::VSUBSDZrm_Intk, TB_NO_REVERSE },
3199 { X86::VSUBSSZrr_Intk, X86::VSUBSSZrm_Intk, TB_NO_REVERSE },
3200 { X86::VUNPCKHPDZrrk, X86::VUNPCKHPDZrmk, 0 },
3201 { X86::VUNPCKHPSZrrk, X86::VUNPCKHPSZrmk, 0 },
3202 { X86::VUNPCKLPDZrrk, X86::VUNPCKLPDZrmk, 0 },
3203 { X86::VUNPCKLPSZrrk, X86::VUNPCKLPSZrmk, 0 },
3204 { X86::VXORPDZrrk, X86::VXORPDZrmk, 0 },
3205 { X86::VXORPSZrrk, X86::VXORPSZrmk, 0 },
3206
3207 // AVX-512{F,VL} foldable masked instructions 256-bit
3208 { X86::VADDPDZ256rrk, X86::VADDPDZ256rmk, 0 },
3209 { X86::VADDPSZ256rrk, X86::VADDPSZ256rmk, 0 },
3210 { X86::VALIGNDZ256rrik, X86::VALIGNDZ256rmik, 0 },
3211 { X86::VALIGNQZ256rrik, X86::VALIGNQZ256rmik, 0 },
3212 { X86::VANDNPDZ256rrk, X86::VANDNPDZ256rmk, 0 },
3213 { X86::VANDNPSZ256rrk, X86::VANDNPSZ256rmk, 0 },
3214 { X86::VANDPDZ256rrk, X86::VANDPDZ256rmk, 0 },
3215 { X86::VANDPSZ256rrk, X86::VANDPSZ256rmk, 0 },
3216 { X86::VDIVPDZ256rrk, X86::VDIVPDZ256rmk, 0 },
3217 { X86::VDIVPSZ256rrk, X86::VDIVPSZ256rmk, 0 },
3218 { X86::VINSERTF32x4Z256rrk,X86::VINSERTF32x4Z256rmk, 0 },
3219 { X86::VINSERTF64x2Z256rrk,X86::VINSERTF64x2Z256rmk, 0 },
3220 { X86::VINSERTI32x4Z256rrk,X86::VINSERTI32x4Z256rmk, 0 },
3221 { X86::VINSERTI64x2Z256rrk,X86::VINSERTI64x2Z256rmk, 0 },
3222 { X86::VMAXCPDZ256rrk, X86::VMAXCPDZ256rmk, 0 },
3223 { X86::VMAXCPSZ256rrk, X86::VMAXCPSZ256rmk, 0 },
3224 { X86::VMAXPDZ256rrk, X86::VMAXPDZ256rmk, 0 },
3225 { X86::VMAXPSZ256rrk, X86::VMAXPSZ256rmk, 0 },
3226 { X86::VMINCPDZ256rrk, X86::VMINCPDZ256rmk, 0 },
3227 { X86::VMINCPSZ256rrk, X86::VMINCPSZ256rmk, 0 },
3228 { X86::VMINPDZ256rrk, X86::VMINPDZ256rmk, 0 },
3229 { X86::VMINPSZ256rrk, X86::VMINPSZ256rmk, 0 },
3230 { X86::VMULPDZ256rrk, X86::VMULPDZ256rmk, 0 },
3231 { X86::VMULPSZ256rrk, X86::VMULPSZ256rmk, 0 },
3232 { X86::VORPDZ256rrk, X86::VORPDZ256rmk, 0 },
3233 { X86::VORPSZ256rrk, X86::VORPSZ256rmk, 0 },
3234 { X86::VPACKSSDWZ256rrk, X86::VPACKSSDWZ256rmk, 0 },
3235 { X86::VPACKSSWBZ256rrk, X86::VPACKSSWBZ256rmk, 0 },
3236 { X86::VPACKUSDWZ256rrk, X86::VPACKUSDWZ256rmk, 0 },
3237 { X86::VPACKUSWBZ256rrk, X86::VPACKUSWBZ256rmk, 0 },
3238 { X86::VPADDBZ256rrk, X86::VPADDBZ256rmk, 0 },
3239 { X86::VPADDDZ256rrk, X86::VPADDDZ256rmk, 0 },
3240 { X86::VPADDQZ256rrk, X86::VPADDQZ256rmk, 0 },
3241 { X86::VPADDSBZ256rrk, X86::VPADDSBZ256rmk, 0 },
3242 { X86::VPADDSWZ256rrk, X86::VPADDSWZ256rmk, 0 },
3243 { X86::VPADDUSBZ256rrk, X86::VPADDUSBZ256rmk, 0 },
3244 { X86::VPADDUSWZ256rrk, X86::VPADDUSWZ256rmk, 0 },
3245 { X86::VPADDWZ256rrk, X86::VPADDWZ256rmk, 0 },
3246 { X86::VPALIGNRZ256rrik, X86::VPALIGNRZ256rmik, 0 },
3247 { X86::VPANDDZ256rrk, X86::VPANDDZ256rmk, 0 },
3248 { X86::VPANDNDZ256rrk, X86::VPANDNDZ256rmk, 0 },
3249 { X86::VPANDNQZ256rrk, X86::VPANDNQZ256rmk, 0 },
3250 { X86::VPANDQZ256rrk, X86::VPANDQZ256rmk, 0 },
3251 { X86::VPAVGBZ256rrk, X86::VPAVGBZ256rmk, 0 },
3252 { X86::VPAVGWZ256rrk, X86::VPAVGWZ256rmk, 0 },
3253 { X86::VPERMBZ256rrk, X86::VPERMBZ256rmk, 0 },
3254 { X86::VPERMDZ256rrk, X86::VPERMDZ256rmk, 0 },
3255 { X86::VPERMI2B256rrk, X86::VPERMI2B256rmk, 0 },
3256 { X86::VPERMI2D256rrk, X86::VPERMI2D256rmk, 0 },
3257 { X86::VPERMI2PD256rrk, X86::VPERMI2PD256rmk, 0 },
3258 { X86::VPERMI2PS256rrk, X86::VPERMI2PS256rmk, 0 },
3259 { X86::VPERMI2Q256rrk, X86::VPERMI2Q256rmk, 0 },
3260 { X86::VPERMI2W256rrk, X86::VPERMI2W256rmk, 0 },
3261 { X86::VPERMILPDZ256rrk, X86::VPERMILPDZ256rmk, 0 },
3262 { X86::VPERMILPSZ256rrk, X86::VPERMILPSZ256rmk, 0 },
3263 { X86::VPERMPDZ256rrk, X86::VPERMPDZ256rmk, 0 },
3264 { X86::VPERMPSZ256rrk, X86::VPERMPSZ256rmk, 0 },
3265 { X86::VPERMQZ256rrk, X86::VPERMQZ256rmk, 0 },
3266 { X86::VPERMT2B256rrk, X86::VPERMT2B256rmk, 0 },
3267 { X86::VPERMT2D256rrk, X86::VPERMT2D256rmk, 0 },
3268 { X86::VPERMT2PD256rrk, X86::VPERMT2PD256rmk, 0 },
3269 { X86::VPERMT2PS256rrk, X86::VPERMT2PS256rmk, 0 },
3270 { X86::VPERMT2Q256rrk, X86::VPERMT2Q256rmk, 0 },
3271 { X86::VPERMT2W256rrk, X86::VPERMT2W256rmk, 0 },
3272 { X86::VPERMWZ256rrk, X86::VPERMWZ256rmk, 0 },
3273 { X86::VPMADDUBSWZ256rrk, X86::VPMADDUBSWZ256rmk, 0 },
3274 { X86::VPMADDWDZ256rrk, X86::VPMADDWDZ256rmk, 0 },
3275 { X86::VPMAXSBZ256rrk, X86::VPMAXSBZ256rmk, 0 },
3276 { X86::VPMAXSDZ256rrk, X86::VPMAXSDZ256rmk, 0 },
3277 { X86::VPMAXSQZ256rrk, X86::VPMAXSQZ256rmk, 0 },
3278 { X86::VPMAXSWZ256rrk, X86::VPMAXSWZ256rmk, 0 },
3279 { X86::VPMAXUBZ256rrk, X86::VPMAXUBZ256rmk, 0 },
3280 { X86::VPMAXUDZ256rrk, X86::VPMAXUDZ256rmk, 0 },
3281 { X86::VPMAXUQZ256rrk, X86::VPMAXUQZ256rmk, 0 },
3282 { X86::VPMAXUWZ256rrk, X86::VPMAXUWZ256rmk, 0 },
3283 { X86::VPMINSBZ256rrk, X86::VPMINSBZ256rmk, 0 },
3284 { X86::VPMINSDZ256rrk, X86::VPMINSDZ256rmk, 0 },
3285 { X86::VPMINSQZ256rrk, X86::VPMINSQZ256rmk, 0 },
3286 { X86::VPMINSWZ256rrk, X86::VPMINSWZ256rmk, 0 },
3287 { X86::VPMINUBZ256rrk, X86::VPMINUBZ256rmk, 0 },
3288 { X86::VPMINUDZ256rrk, X86::VPMINUDZ256rmk, 0 },
3289 { X86::VPMINUQZ256rrk, X86::VPMINUQZ256rmk, 0 },
3290 { X86::VPMINUWZ256rrk, X86::VPMINUWZ256rmk, 0 },
3291 { X86::VPMULDQZ256rrk, X86::VPMULDQZ256rmk, 0 },
3292 { X86::VPMULLDZ256rrk, X86::VPMULLDZ256rmk, 0 },
3293 { X86::VPMULLQZ256rrk, X86::VPMULLQZ256rmk, 0 },
3294 { X86::VPMULLWZ256rrk, X86::VPMULLWZ256rmk, 0 },
3295 { X86::VPMULUDQZ256rrk, X86::VPMULUDQZ256rmk, 0 },
3296 { X86::VPORDZ256rrk, X86::VPORDZ256rmk, 0 },
3297 { X86::VPORQZ256rrk, X86::VPORQZ256rmk, 0 },
3298 { X86::VPSHUFBZ256rrk, X86::VPSHUFBZ256rmk, 0 },
3299 { X86::VPSLLDZ256rrk, X86::VPSLLDZ256rmk, 0 },
3300 { X86::VPSLLQZ256rrk, X86::VPSLLQZ256rmk, 0 },
3301 { X86::VPSLLVDZ256rrk, X86::VPSLLVDZ256rmk, 0 },
3302 { X86::VPSLLVQZ256rrk, X86::VPSLLVQZ256rmk, 0 },
3303 { X86::VPSLLVWZ256rrk, X86::VPSLLVWZ256rmk, 0 },
3304 { X86::VPSLLWZ256rrk, X86::VPSLLWZ256rmk, 0 },
3305 { X86::VPSRADZ256rrk, X86::VPSRADZ256rmk, 0 },
3306 { X86::VPSRAQZ256rrk, X86::VPSRAQZ256rmk, 0 },
3307 { X86::VPSRAVDZ256rrk, X86::VPSRAVDZ256rmk, 0 },
3308 { X86::VPSRAVQZ256rrk, X86::VPSRAVQZ256rmk, 0 },
3309 { X86::VPSRAVWZ256rrk, X86::VPSRAVWZ256rmk, 0 },
3310 { X86::VPSRAWZ256rrk, X86::VPSRAWZ256rmk, 0 },
3311 { X86::VPSRLDZ256rrk, X86::VPSRLDZ256rmk, 0 },
3312 { X86::VPSRLQZ256rrk, X86::VPSRLQZ256rmk, 0 },
3313 { X86::VPSRLVDZ256rrk, X86::VPSRLVDZ256rmk, 0 },
3314 { X86::VPSRLVQZ256rrk, X86::VPSRLVQZ256rmk, 0 },
3315 { X86::VPSRLVWZ256rrk, X86::VPSRLVWZ256rmk, 0 },
3316 { X86::VPSRLWZ256rrk, X86::VPSRLWZ256rmk, 0 },
3317 { X86::VPSUBBZ256rrk, X86::VPSUBBZ256rmk, 0 },
3318 { X86::VPSUBDZ256rrk, X86::VPSUBDZ256rmk, 0 },
3319 { X86::VPSUBQZ256rrk, X86::VPSUBQZ256rmk, 0 },
3320 { X86::VPSUBSBZ256rrk, X86::VPSUBSBZ256rmk, 0 },
3321 { X86::VPSUBSWZ256rrk, X86::VPSUBSWZ256rmk, 0 },
3322 { X86::VPSUBUSBZ256rrk, X86::VPSUBUSBZ256rmk, 0 },
3323 { X86::VPSUBUSWZ256rrk, X86::VPSUBUSWZ256rmk, 0 },
3324 { X86::VPSUBWZ256rrk, X86::VPSUBWZ256rmk, 0 },
3325 { X86::VPTERNLOGDZ256rrik, X86::VPTERNLOGDZ256rmik, 0 },
3326 { X86::VPTERNLOGQZ256rrik, X86::VPTERNLOGQZ256rmik, 0 },
3327 { X86::VPUNPCKHBWZ256rrk, X86::VPUNPCKHBWZ256rmk, 0 },
3328 { X86::VPUNPCKHDQZ256rrk, X86::VPUNPCKHDQZ256rmk, 0 },
3329 { X86::VPUNPCKHQDQZ256rrk, X86::VPUNPCKHQDQZ256rmk, 0 },
3330 { X86::VPUNPCKHWDZ256rrk, X86::VPUNPCKHWDZ256rmk, 0 },
3331 { X86::VPUNPCKLBWZ256rrk, X86::VPUNPCKLBWZ256rmk, 0 },
3332 { X86::VPUNPCKLDQZ256rrk, X86::VPUNPCKLDQZ256rmk, 0 },
3333 { X86::VPUNPCKLQDQZ256rrk, X86::VPUNPCKLQDQZ256rmk, 0 },
3334 { X86::VPUNPCKLWDZ256rrk, X86::VPUNPCKLWDZ256rmk, 0 },
3335 { X86::VPXORDZ256rrk, X86::VPXORDZ256rmk, 0 },
3336 { X86::VPXORQZ256rrk, X86::VPXORQZ256rmk, 0 },
3337 { X86::VSHUFPDZ256rrik, X86::VSHUFPDZ256rmik, 0 },
3338 { X86::VSHUFPSZ256rrik, X86::VSHUFPSZ256rmik, 0 },
3339 { X86::VSUBPDZ256rrk, X86::VSUBPDZ256rmk, 0 },
3340 { X86::VSUBPSZ256rrk, X86::VSUBPSZ256rmk, 0 },
3341 { X86::VUNPCKHPDZ256rrk, X86::VUNPCKHPDZ256rmk, 0 },
3342 { X86::VUNPCKHPSZ256rrk, X86::VUNPCKHPSZ256rmk, 0 },
3343 { X86::VUNPCKLPDZ256rrk, X86::VUNPCKLPDZ256rmk, 0 },
3344 { X86::VUNPCKLPSZ256rrk, X86::VUNPCKLPSZ256rmk, 0 },
3345 { X86::VXORPDZ256rrk, X86::VXORPDZ256rmk, 0 },
3346 { X86::VXORPSZ256rrk, X86::VXORPSZ256rmk, 0 },
3347
3348 // AVX-512{F,VL} foldable instructions 128-bit
3349 { X86::VADDPDZ128rrk, X86::VADDPDZ128rmk, 0 },
3350 { X86::VADDPSZ128rrk, X86::VADDPSZ128rmk, 0 },
3351 { X86::VALIGNDZ128rrik, X86::VALIGNDZ128rmik, 0 },
3352 { X86::VALIGNQZ128rrik, X86::VALIGNQZ128rmik, 0 },
3353 { X86::VANDNPDZ128rrk, X86::VANDNPDZ128rmk, 0 },
3354 { X86::VANDNPSZ128rrk, X86::VANDNPSZ128rmk, 0 },
3355 { X86::VANDPDZ128rrk, X86::VANDPDZ128rmk, 0 },
3356 { X86::VANDPSZ128rrk, X86::VANDPSZ128rmk, 0 },
3357 { X86::VDIVPDZ128rrk, X86::VDIVPDZ128rmk, 0 },
3358 { X86::VDIVPSZ128rrk, X86::VDIVPSZ128rmk, 0 },
3359 { X86::VMAXCPDZ128rrk, X86::VMAXCPDZ128rmk, 0 },
3360 { X86::VMAXCPSZ128rrk, X86::VMAXCPSZ128rmk, 0 },
3361 { X86::VMAXPDZ128rrk, X86::VMAXPDZ128rmk, 0 },
3362 { X86::VMAXPSZ128rrk, X86::VMAXPSZ128rmk, 0 },
3363 { X86::VMINCPDZ128rrk, X86::VMINCPDZ128rmk, 0 },
3364 { X86::VMINCPSZ128rrk, X86::VMINCPSZ128rmk, 0 },
3365 { X86::VMINPDZ128rrk, X86::VMINPDZ128rmk, 0 },
3366 { X86::VMINPSZ128rrk, X86::VMINPSZ128rmk, 0 },
3367 { X86::VMULPDZ128rrk, X86::VMULPDZ128rmk, 0 },
3368 { X86::VMULPSZ128rrk, X86::VMULPSZ128rmk, 0 },
3369 { X86::VORPDZ128rrk, X86::VORPDZ128rmk, 0 },
3370 { X86::VORPSZ128rrk, X86::VORPSZ128rmk, 0 },
3371 { X86::VPACKSSDWZ128rrk, X86::VPACKSSDWZ128rmk, 0 },
3372 { X86::VPACKSSWBZ128rrk, X86::VPACKSSWBZ128rmk, 0 },
3373 { X86::VPACKUSDWZ128rrk, X86::VPACKUSDWZ128rmk, 0 },
3374 { X86::VPACKUSWBZ128rrk, X86::VPACKUSWBZ128rmk, 0 },
3375 { X86::VPADDBZ128rrk, X86::VPADDBZ128rmk, 0 },
3376 { X86::VPADDDZ128rrk, X86::VPADDDZ128rmk, 0 },
3377 { X86::VPADDQZ128rrk, X86::VPADDQZ128rmk, 0 },
3378 { X86::VPADDSBZ128rrk, X86::VPADDSBZ128rmk, 0 },
3379 { X86::VPADDSWZ128rrk, X86::VPADDSWZ128rmk, 0 },
3380 { X86::VPADDUSBZ128rrk, X86::VPADDUSBZ128rmk, 0 },
3381 { X86::VPADDUSWZ128rrk, X86::VPADDUSWZ128rmk, 0 },
3382 { X86::VPADDWZ128rrk, X86::VPADDWZ128rmk, 0 },
3383 { X86::VPALIGNRZ128rrik, X86::VPALIGNRZ128rmik, 0 },
3384 { X86::VPANDDZ128rrk, X86::VPANDDZ128rmk, 0 },
3385 { X86::VPANDNDZ128rrk, X86::VPANDNDZ128rmk, 0 },
3386 { X86::VPANDNQZ128rrk, X86::VPANDNQZ128rmk, 0 },
3387 { X86::VPANDQZ128rrk, X86::VPANDQZ128rmk, 0 },
3388 { X86::VPAVGBZ128rrk, X86::VPAVGBZ128rmk, 0 },
3389 { X86::VPAVGWZ128rrk, X86::VPAVGWZ128rmk, 0 },
3390 { X86::VPERMBZ128rrk, X86::VPERMBZ128rmk, 0 },
3391 { X86::VPERMI2B128rrk, X86::VPERMI2B128rmk, 0 },
3392 { X86::VPERMI2D128rrk, X86::VPERMI2D128rmk, 0 },
3393 { X86::VPERMI2PD128rrk, X86::VPERMI2PD128rmk, 0 },
3394 { X86::VPERMI2PS128rrk, X86::VPERMI2PS128rmk, 0 },
3395 { X86::VPERMI2Q128rrk, X86::VPERMI2Q128rmk, 0 },
3396 { X86::VPERMI2W128rrk, X86::VPERMI2W128rmk, 0 },
3397 { X86::VPERMILPDZ128rrk, X86::VPERMILPDZ128rmk, 0 },
3398 { X86::VPERMILPSZ128rrk, X86::VPERMILPSZ128rmk, 0 },
3399 { X86::VPERMT2B128rrk, X86::VPERMT2B128rmk, 0 },
3400 { X86::VPERMT2D128rrk, X86::VPERMT2D128rmk, 0 },
3401 { X86::VPERMT2PD128rrk, X86::VPERMT2PD128rmk, 0 },
3402 { X86::VPERMT2PS128rrk, X86::VPERMT2PS128rmk, 0 },
3403 { X86::VPERMT2Q128rrk, X86::VPERMT2Q128rmk, 0 },
3404 { X86::VPERMT2W128rrk, X86::VPERMT2W128rmk, 0 },
3405 { X86::VPERMWZ128rrk, X86::VPERMWZ128rmk, 0 },
3406 { X86::VPMADDUBSWZ128rrk, X86::VPMADDUBSWZ128rmk, 0 },
3407 { X86::VPMADDWDZ128rrk, X86::VPMADDWDZ128rmk, 0 },
3408 { X86::VPMAXSBZ128rrk, X86::VPMAXSBZ128rmk, 0 },
3409 { X86::VPMAXSDZ128rrk, X86::VPMAXSDZ128rmk, 0 },
3410 { X86::VPMAXSQZ128rrk, X86::VPMAXSQZ128rmk, 0 },
3411 { X86::VPMAXSWZ128rrk, X86::VPMAXSWZ128rmk, 0 },
3412 { X86::VPMAXUBZ128rrk, X86::VPMAXUBZ128rmk, 0 },
3413 { X86::VPMAXUDZ128rrk, X86::VPMAXUDZ128rmk, 0 },
3414 { X86::VPMAXUQZ128rrk, X86::VPMAXUQZ128rmk, 0 },
3415 { X86::VPMAXUWZ128rrk, X86::VPMAXUWZ128rmk, 0 },
3416 { X86::VPMINSBZ128rrk, X86::VPMINSBZ128rmk, 0 },
3417 { X86::VPMINSDZ128rrk, X86::VPMINSDZ128rmk, 0 },
3418 { X86::VPMINSQZ128rrk, X86::VPMINSQZ128rmk, 0 },
3419 { X86::VPMINSWZ128rrk, X86::VPMINSWZ128rmk, 0 },
3420 { X86::VPMINUBZ128rrk, X86::VPMINUBZ128rmk, 0 },
3421 { X86::VPMINUDZ128rrk, X86::VPMINUDZ128rmk, 0 },
3422 { X86::VPMINUQZ128rrk, X86::VPMINUQZ128rmk, 0 },
3423 { X86::VPMINUWZ128rrk, X86::VPMINUWZ128rmk, 0 },
3424 { X86::VPMULDQZ128rrk, X86::VPMULDQZ128rmk, 0 },
3425 { X86::VPMULLDZ128rrk, X86::VPMULLDZ128rmk, 0 },
3426 { X86::VPMULLQZ128rrk, X86::VPMULLQZ128rmk, 0 },
3427 { X86::VPMULLWZ128rrk, X86::VPMULLWZ128rmk, 0 },
3428 { X86::VPMULUDQZ128rrk, X86::VPMULUDQZ128rmk, 0 },
3429 { X86::VPORDZ128rrk, X86::VPORDZ128rmk, 0 },
3430 { X86::VPORQZ128rrk, X86::VPORQZ128rmk, 0 },
3431 { X86::VPSHUFBZ128rrk, X86::VPSHUFBZ128rmk, 0 },
3432 { X86::VPSLLDZ128rrk, X86::VPSLLDZ128rmk, 0 },
3433 { X86::VPSLLQZ128rrk, X86::VPSLLQZ128rmk, 0 },
3434 { X86::VPSLLVDZ128rrk, X86::VPSLLVDZ128rmk, 0 },
3435 { X86::VPSLLVQZ128rrk, X86::VPSLLVQZ128rmk, 0 },
3436 { X86::VPSLLVWZ128rrk, X86::VPSLLVWZ128rmk, 0 },
3437 { X86::VPSLLWZ128rrk, X86::VPSLLWZ128rmk, 0 },
3438 { X86::VPSRADZ128rrk, X86::VPSRADZ128rmk, 0 },
3439 { X86::VPSRAQZ128rrk, X86::VPSRAQZ128rmk, 0 },
3440 { X86::VPSRAVDZ128rrk, X86::VPSRAVDZ128rmk, 0 },
3441 { X86::VPSRAVQZ128rrk, X86::VPSRAVQZ128rmk, 0 },
3442 { X86::VPSRAVWZ128rrk, X86::VPSRAVWZ128rmk, 0 },
3443 { X86::VPSRAWZ128rrk, X86::VPSRAWZ128rmk, 0 },
3444 { X86::VPSRLDZ128rrk, X86::VPSRLDZ128rmk, 0 },
3445 { X86::VPSRLQZ128rrk, X86::VPSRLQZ128rmk, 0 },
3446 { X86::VPSRLVDZ128rrk, X86::VPSRLVDZ128rmk, 0 },
3447 { X86::VPSRLVQZ128rrk, X86::VPSRLVQZ128rmk, 0 },
3448 { X86::VPSRLVWZ128rrk, X86::VPSRLVWZ128rmk, 0 },
3449 { X86::VPSRLWZ128rrk, X86::VPSRLWZ128rmk, 0 },
3450 { X86::VPSUBBZ128rrk, X86::VPSUBBZ128rmk, 0 },
3451 { X86::VPSUBDZ128rrk, X86::VPSUBDZ128rmk, 0 },
3452 { X86::VPSUBQZ128rrk, X86::VPSUBQZ128rmk, 0 },
3453 { X86::VPSUBSBZ128rrk, X86::VPSUBSBZ128rmk, 0 },
3454 { X86::VPSUBSWZ128rrk, X86::VPSUBSWZ128rmk, 0 },
3455 { X86::VPSUBUSBZ128rrk, X86::VPSUBUSBZ128rmk, 0 },
3456 { X86::VPSUBUSWZ128rrk, X86::VPSUBUSWZ128rmk, 0 },
3457 { X86::VPSUBWZ128rrk, X86::VPSUBWZ128rmk, 0 },
3458 { X86::VPTERNLOGDZ128rrik, X86::VPTERNLOGDZ128rmik, 0 },
3459 { X86::VPTERNLOGQZ128rrik, X86::VPTERNLOGQZ128rmik, 0 },
3460 { X86::VPUNPCKHBWZ128rrk, X86::VPUNPCKHBWZ128rmk, 0 },
3461 { X86::VPUNPCKHDQZ128rrk, X86::VPUNPCKHDQZ128rmk, 0 },
3462 { X86::VPUNPCKHQDQZ128rrk, X86::VPUNPCKHQDQZ128rmk, 0 },
3463 { X86::VPUNPCKHWDZ128rrk, X86::VPUNPCKHWDZ128rmk, 0 },
3464 { X86::VPUNPCKLBWZ128rrk, X86::VPUNPCKLBWZ128rmk, 0 },
3465 { X86::VPUNPCKLDQZ128rrk, X86::VPUNPCKLDQZ128rmk, 0 },
3466 { X86::VPUNPCKLQDQZ128rrk, X86::VPUNPCKLQDQZ128rmk, 0 },
3467 { X86::VPUNPCKLWDZ128rrk, X86::VPUNPCKLWDZ128rmk, 0 },
3468 { X86::VPXORDZ128rrk, X86::VPXORDZ128rmk, 0 },
3469 { X86::VPXORQZ128rrk, X86::VPXORQZ128rmk, 0 },
3470 { X86::VSHUFPDZ128rrik, X86::VSHUFPDZ128rmik, 0 },
3471 { X86::VSHUFPSZ128rrik, X86::VSHUFPSZ128rmik, 0 },
3472 { X86::VSUBPDZ128rrk, X86::VSUBPDZ128rmk, 0 },
3473 { X86::VSUBPSZ128rrk, X86::VSUBPSZ128rmk, 0 },
3474 { X86::VUNPCKHPDZ128rrk, X86::VUNPCKHPDZ128rmk, 0 },
3475 { X86::VUNPCKHPSZ128rrk, X86::VUNPCKHPSZ128rmk, 0 },
3476 { X86::VUNPCKLPDZ128rrk, X86::VUNPCKLPDZ128rmk, 0 },
3477 { X86::VUNPCKLPSZ128rrk, X86::VUNPCKLPSZ128rmk, 0 },
3478 { X86::VXORPDZ128rrk, X86::VXORPDZ128rmk, 0 },
3479 { X86::VXORPSZ128rrk, X86::VXORPSZ128rmk, 0 },
3480
3481 // 512-bit three source instructions with zero masking.
3482 { X86::VPERMI2Brrkz, X86::VPERMI2Brmkz, 0 },
3483 { X86::VPERMI2Drrkz, X86::VPERMI2Drmkz, 0 },
3484 { X86::VPERMI2PSrrkz, X86::VPERMI2PSrmkz, 0 },
3485 { X86::VPERMI2PDrrkz, X86::VPERMI2PDrmkz, 0 },
3486 { X86::VPERMI2Qrrkz, X86::VPERMI2Qrmkz, 0 },
3487 { X86::VPERMI2Wrrkz, X86::VPERMI2Wrmkz, 0 },
3488 { X86::VPERMT2Brrkz, X86::VPERMT2Brmkz, 0 },
3489 { X86::VPERMT2Drrkz, X86::VPERMT2Drmkz, 0 },
3490 { X86::VPERMT2PSrrkz, X86::VPERMT2PSrmkz, 0 },
3491 { X86::VPERMT2PDrrkz, X86::VPERMT2PDrmkz, 0 },
3492 { X86::VPERMT2Qrrkz, X86::VPERMT2Qrmkz, 0 },
3493 { X86::VPERMT2Wrrkz, X86::VPERMT2Wrmkz, 0 },
3494 { X86::VPTERNLOGDZrrikz, X86::VPTERNLOGDZrmikz, 0 },
3495 { X86::VPTERNLOGQZrrikz, X86::VPTERNLOGQZrmikz, 0 },
3496
3497 // 256-bit three source instructions with zero masking.
3498 { X86::VPERMI2B256rrkz, X86::VPERMI2B256rmkz, 0 },
3499 { X86::VPERMI2D256rrkz, X86::VPERMI2D256rmkz, 0 },
3500 { X86::VPERMI2PD256rrkz, X86::VPERMI2PD256rmkz, 0 },
3501 { X86::VPERMI2PS256rrkz, X86::VPERMI2PS256rmkz, 0 },
3502 { X86::VPERMI2Q256rrkz, X86::VPERMI2Q256rmkz, 0 },
3503 { X86::VPERMI2W256rrkz, X86::VPERMI2W256rmkz, 0 },
3504 { X86::VPERMT2B256rrkz, X86::VPERMT2B256rmkz, 0 },
3505 { X86::VPERMT2D256rrkz, X86::VPERMT2D256rmkz, 0 },
3506 { X86::VPERMT2PD256rrkz, X86::VPERMT2PD256rmkz, 0 },
3507 { X86::VPERMT2PS256rrkz, X86::VPERMT2PS256rmkz, 0 },
3508 { X86::VPERMT2Q256rrkz, X86::VPERMT2Q256rmkz, 0 },
3509 { X86::VPERMT2W256rrkz, X86::VPERMT2W256rmkz, 0 },
3510 { X86::VPTERNLOGDZ256rrikz,X86::VPTERNLOGDZ256rmikz, 0 },
3511 { X86::VPTERNLOGQZ256rrikz,X86::VPTERNLOGQZ256rmikz, 0 },
3512
3513 // 128-bit three source instructions with zero masking.
3514 { X86::VPERMI2B128rrkz, X86::VPERMI2B128rmkz, 0 },
3515 { X86::VPERMI2D128rrkz, X86::VPERMI2D128rmkz, 0 },
3516 { X86::VPERMI2PD128rrkz, X86::VPERMI2PD128rmkz, 0 },
3517 { X86::VPERMI2PS128rrkz, X86::VPERMI2PS128rmkz, 0 },
3518 { X86::VPERMI2Q128rrkz, X86::VPERMI2Q128rmkz, 0 },
3519 { X86::VPERMI2W128rrkz, X86::VPERMI2W128rmkz, 0 },
3520 { X86::VPERMT2B128rrkz, X86::VPERMT2B128rmkz, 0 },
3521 { X86::VPERMT2D128rrkz, X86::VPERMT2D128rmkz, 0 },
3522 { X86::VPERMT2PD128rrkz, X86::VPERMT2PD128rmkz, 0 },
3523 { X86::VPERMT2PS128rrkz, X86::VPERMT2PS128rmkz, 0 },
3524 { X86::VPERMT2Q128rrkz, X86::VPERMT2Q128rmkz, 0 },
3525 { X86::VPERMT2W128rrkz, X86::VPERMT2W128rmkz, 0 },
3526 { X86::VPTERNLOGDZ128rrikz,X86::VPTERNLOGDZ128rmikz, 0 },
3527 { X86::VPTERNLOGQZ128rrikz,X86::VPTERNLOGQZ128rmikz, 0 },
3528 };
3529
3530 for (X86MemoryFoldTableEntry Entry : MemoryFoldTable4) {
3531 AddTableEntry(RegOp2MemOpTable4, MemOp2RegOpTable,
3532 Entry.RegOp, Entry.MemOp,
3533 // Index 4, folded load
3534 Entry.Flags | TB_INDEX_4 | TB_FOLDED_LOAD);
3535 }
3536 for (I = X86InstrFMA3Info::rm_begin(); I != E; ++I) {
3537 if (I.getGroup()->isKMasked()) {
3538 // Intrinsics need to pass TB_NO_REVERSE.
3539 if (I.getGroup()->isIntrinsic()) {
3540 AddTableEntry(RegOp2MemOpTable4, MemOp2RegOpTable,
3541 I.getRegOpcode(), I.getMemOpcode(),
3542 TB_ALIGN_NONE | TB_INDEX_4 | TB_FOLDED_LOAD | TB_NO_REVERSE);
3543 } else {
3544 AddTableEntry(RegOp2MemOpTable4, MemOp2RegOpTable,
3545 I.getRegOpcode(), I.getMemOpcode(),
3546 TB_ALIGN_NONE | TB_INDEX_4 | TB_FOLDED_LOAD);
3547 }
3548 }
3549 }
3550}
3551
3552void
3553X86InstrInfo::AddTableEntry(RegOp2MemOpTableType &R2MTable,
3554 MemOp2RegOpTableType &M2RTable,
3555 uint16_t RegOp, uint16_t MemOp, uint16_t Flags) {
3556 if ((Flags & TB_NO_FORWARD) == 0) {
3557 assert(!R2MTable.count(RegOp) && "Duplicate entry!")((!R2MTable.count(RegOp) && "Duplicate entry!") ? static_cast
<void> (0) : __assert_fail ("!R2MTable.count(RegOp) && \"Duplicate entry!\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 3557, __PRETTY_FUNCTION__))
;
3558 R2MTable[RegOp] = std::make_pair(MemOp, Flags);
3559 }
3560 if ((Flags & TB_NO_REVERSE) == 0) {
3561 assert(!M2RTable.count(MemOp) &&((!M2RTable.count(MemOp) && "Duplicated entries in unfolding maps?"
) ? static_cast<void> (0) : __assert_fail ("!M2RTable.count(MemOp) && \"Duplicated entries in unfolding maps?\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 3562, __PRETTY_FUNCTION__))
3562 "Duplicated entries in unfolding maps?")((!M2RTable.count(MemOp) && "Duplicated entries in unfolding maps?"
) ? static_cast<void> (0) : __assert_fail ("!M2RTable.count(MemOp) && \"Duplicated entries in unfolding maps?\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 3562, __PRETTY_FUNCTION__))
;
3563 M2RTable[MemOp] = std::make_pair(RegOp, Flags);
3564 }
3565}
3566
3567bool
3568X86InstrInfo::isCoalescableExtInstr(const MachineInstr &MI,
3569 unsigned &SrcReg, unsigned &DstReg,
3570 unsigned &SubIdx) const {
3571 switch (MI.getOpcode()) {
3572 default: break;
3573 case X86::MOVSX16rr8:
3574 case X86::MOVZX16rr8:
3575 case X86::MOVSX32rr8:
3576 case X86::MOVZX32rr8:
3577 case X86::MOVSX64rr8:
3578 if (!Subtarget.is64Bit())
3579 // It's not always legal to reference the low 8-bit of the larger
3580 // register in 32-bit mode.
3581 return false;
3582 case X86::MOVSX32rr16:
3583 case X86::MOVZX32rr16:
3584 case X86::MOVSX64rr16:
3585 case X86::MOVSX64rr32: {
3586 if (MI.getOperand(0).getSubReg() || MI.getOperand(1).getSubReg())
3587 // Be conservative.
3588 return false;
3589 SrcReg = MI.getOperand(1).getReg();
3590 DstReg = MI.getOperand(0).getReg();
3591 switch (MI.getOpcode()) {
3592 default: llvm_unreachable("Unreachable!")::llvm::llvm_unreachable_internal("Unreachable!", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 3592)
;
3593 case X86::MOVSX16rr8:
3594 case X86::MOVZX16rr8:
3595 case X86::MOVSX32rr8:
3596 case X86::MOVZX32rr8:
3597 case X86::MOVSX64rr8:
3598 SubIdx = X86::sub_8bit;
3599 break;
3600 case X86::MOVSX32rr16:
3601 case X86::MOVZX32rr16:
3602 case X86::MOVSX64rr16:
3603 SubIdx = X86::sub_16bit;
3604 break;
3605 case X86::MOVSX64rr32:
3606 SubIdx = X86::sub_32bit;
3607 break;
3608 }
3609 return true;
3610 }
3611 }
3612 return false;
3613}
3614
3615int X86InstrInfo::getSPAdjust(const MachineInstr &MI) const {
3616 const MachineFunction *MF = MI.getParent()->getParent();
3617 const TargetFrameLowering *TFI = MF->getSubtarget().getFrameLowering();
3618
3619 if (isFrameInstr(MI)) {
3620 unsigned StackAlign = TFI->getStackAlignment();
3621 int SPAdj = alignTo(getFrameSize(MI), StackAlign);
3622 SPAdj -= getFrameAdjustment(MI);
3623 if (!isFrameSetup(MI))
3624 SPAdj = -SPAdj;
3625 return SPAdj;
3626 }
3627
3628 // To know whether a call adjusts the stack, we need information
3629 // that is bound to the following ADJCALLSTACKUP pseudo.
3630 // Look for the next ADJCALLSTACKUP that follows the call.
3631 if (MI.isCall()) {
3632 const MachineBasicBlock *MBB = MI.getParent();
3633 auto I = ++MachineBasicBlock::const_iterator(MI);
3634 for (auto E = MBB->end(); I != E; ++I) {
3635 if (I->getOpcode() == getCallFrameDestroyOpcode() ||
3636 I->isCall())
3637 break;
3638 }
3639
3640 // If we could not find a frame destroy opcode, then it has already
3641 // been simplified, so we don't care.
3642 if (I->getOpcode() != getCallFrameDestroyOpcode())
3643 return 0;
3644
3645 return -(I->getOperand(1).getImm());
3646 }
3647
3648 // Currently handle only PUSHes we can reasonably expect to see
3649 // in call sequences
3650 switch (MI.getOpcode()) {
3651 default:
3652 return 0;
3653 case X86::PUSH32i8:
3654 case X86::PUSH32r:
3655 case X86::PUSH32rmm:
3656 case X86::PUSH32rmr:
3657 case X86::PUSHi32:
3658 return 4;
3659 case X86::PUSH64i8:
3660 case X86::PUSH64r:
3661 case X86::PUSH64rmm:
3662 case X86::PUSH64rmr:
3663 case X86::PUSH64i32:
3664 return 8;
3665 }
3666}
3667
3668/// Return true and the FrameIndex if the specified
3669/// operand and follow operands form a reference to the stack frame.
3670bool X86InstrInfo::isFrameOperand(const MachineInstr &MI, unsigned int Op,
3671 int &FrameIndex) const {
3672 if (MI.getOperand(Op + X86::AddrBaseReg).isFI() &&
3673 MI.getOperand(Op + X86::AddrScaleAmt).isImm() &&
3674 MI.getOperand(Op + X86::AddrIndexReg).isReg() &&
3675 MI.getOperand(Op + X86::AddrDisp).isImm() &&
3676 MI.getOperand(Op + X86::AddrScaleAmt).getImm() == 1 &&
3677 MI.getOperand(Op + X86::AddrIndexReg).getReg() == 0 &&
3678 MI.getOperand(Op + X86::AddrDisp).getImm() == 0) {
3679 FrameIndex = MI.getOperand(Op + X86::AddrBaseReg).getIndex();
3680 return true;
3681 }
3682 return false;
3683}
3684
3685static bool isFrameLoadOpcode(int Opcode) {
3686 switch (Opcode) {
3687 default:
3688 return false;
3689 case X86::MOV8rm:
3690 case X86::MOV16rm:
3691 case X86::MOV32rm:
3692 case X86::MOV64rm:
3693 case X86::LD_Fp64m:
3694 case X86::MOVSSrm:
3695 case X86::MOVSDrm:
3696 case X86::MOVAPSrm:
3697 case X86::MOVUPSrm:
3698 case X86::MOVAPDrm:
3699 case X86::MOVUPDrm:
3700 case X86::MOVDQArm:
3701 case X86::MOVDQUrm:
3702 case X86::VMOVSSrm:
3703 case X86::VMOVSDrm:
3704 case X86::VMOVAPSrm:
3705 case X86::VMOVUPSrm:
3706 case X86::VMOVAPDrm:
3707 case X86::VMOVUPDrm:
3708 case X86::VMOVDQArm:
3709 case X86::VMOVDQUrm:
3710 case X86::VMOVUPSYrm:
3711 case X86::VMOVAPSYrm:
3712 case X86::VMOVUPDYrm:
3713 case X86::VMOVAPDYrm:
3714 case X86::VMOVDQUYrm:
3715 case X86::VMOVDQAYrm:
3716 case X86::MMX_MOVD64rm:
3717 case X86::MMX_MOVQ64rm:
3718 case X86::VMOVSSZrm:
3719 case X86::VMOVSDZrm:
3720 case X86::VMOVAPSZrm:
3721 case X86::VMOVAPSZ128rm:
3722 case X86::VMOVAPSZ256rm:
3723 case X86::VMOVAPSZ128rm_NOVLX:
3724 case X86::VMOVAPSZ256rm_NOVLX:
3725 case X86::VMOVUPSZrm:
3726 case X86::VMOVUPSZ128rm:
3727 case X86::VMOVUPSZ256rm:
3728 case X86::VMOVUPSZ128rm_NOVLX:
3729 case X86::VMOVUPSZ256rm_NOVLX:
3730 case X86::VMOVAPDZrm:
3731 case X86::VMOVAPDZ128rm:
3732 case X86::VMOVAPDZ256rm:
3733 case X86::VMOVUPDZrm:
3734 case X86::VMOVUPDZ128rm:
3735 case X86::VMOVUPDZ256rm:
3736 case X86::VMOVDQA32Zrm:
3737 case X86::VMOVDQA32Z128rm:
3738 case X86::VMOVDQA32Z256rm:
3739 case X86::VMOVDQU32Zrm:
3740 case X86::VMOVDQU32Z128rm:
3741 case X86::VMOVDQU32Z256rm:
3742 case X86::VMOVDQA64Zrm:
3743 case X86::VMOVDQA64Z128rm:
3744 case X86::VMOVDQA64Z256rm:
3745 case X86::VMOVDQU64Zrm:
3746 case X86::VMOVDQU64Z128rm:
3747 case X86::VMOVDQU64Z256rm:
3748 case X86::VMOVDQU8Zrm:
3749 case X86::VMOVDQU8Z128rm:
3750 case X86::VMOVDQU8Z256rm:
3751 case X86::VMOVDQU16Zrm:
3752 case X86::VMOVDQU16Z128rm:
3753 case X86::VMOVDQU16Z256rm:
3754 case X86::KMOVBkm:
3755 case X86::KMOVWkm:
3756 case X86::KMOVDkm:
3757 case X86::KMOVQkm:
3758 return true;
3759 }
3760}
3761
3762static bool isFrameStoreOpcode(int Opcode) {
3763 switch (Opcode) {
3764 default: break;
3765 case X86::MOV8mr:
3766 case X86::MOV16mr:
3767 case X86::MOV32mr:
3768 case X86::MOV64mr:
3769 case X86::ST_FpP64m:
3770 case X86::MOVSSmr:
3771 case X86::MOVSDmr:
3772 case X86::MOVAPSmr:
3773 case X86::MOVUPSmr:
3774 case X86::MOVAPDmr:
3775 case X86::MOVUPDmr:
3776 case X86::MOVDQAmr:
3777 case X86::MOVDQUmr:
3778 case X86::VMOVSSmr:
3779 case X86::VMOVSDmr:
3780 case X86::VMOVAPSmr:
3781 case X86::VMOVUPSmr:
3782 case X86::VMOVAPDmr:
3783 case X86::VMOVUPDmr:
3784 case X86::VMOVDQAmr:
3785 case X86::VMOVDQUmr:
3786 case X86::VMOVUPSYmr:
3787 case X86::VMOVAPSYmr:
3788 case X86::VMOVUPDYmr:
3789 case X86::VMOVAPDYmr:
3790 case X86::VMOVDQUYmr:
3791 case X86::VMOVDQAYmr:
3792 case X86::VMOVSSZmr:
3793 case X86::VMOVSDZmr:
3794 case X86::VMOVUPSZmr:
3795 case X86::VMOVUPSZ128mr:
3796 case X86::VMOVUPSZ256mr:
3797 case X86::VMOVUPSZ128mr_NOVLX:
3798 case X86::VMOVUPSZ256mr_NOVLX:
3799 case X86::VMOVAPSZmr:
3800 case X86::VMOVAPSZ128mr:
3801 case X86::VMOVAPSZ256mr:
3802 case X86::VMOVAPSZ128mr_NOVLX:
3803 case X86::VMOVAPSZ256mr_NOVLX:
3804 case X86::VMOVUPDZmr:
3805 case X86::VMOVUPDZ128mr:
3806 case X86::VMOVUPDZ256mr:
3807 case X86::VMOVAPDZmr:
3808 case X86::VMOVAPDZ128mr:
3809 case X86::VMOVAPDZ256mr:
3810 case X86::VMOVDQA32Zmr:
3811 case X86::VMOVDQA32Z128mr:
3812 case X86::VMOVDQA32Z256mr:
3813 case X86::VMOVDQU32Zmr:
3814 case X86::VMOVDQU32Z128mr:
3815 case X86::VMOVDQU32Z256mr:
3816 case X86::VMOVDQA64Zmr:
3817 case X86::VMOVDQA64Z128mr:
3818 case X86::VMOVDQA64Z256mr:
3819 case X86::VMOVDQU64Zmr:
3820 case X86::VMOVDQU64Z128mr:
3821 case X86::VMOVDQU64Z256mr:
3822 case X86::VMOVDQU8Zmr:
3823 case X86::VMOVDQU8Z128mr:
3824 case X86::VMOVDQU8Z256mr:
3825 case X86::VMOVDQU16Zmr:
3826 case X86::VMOVDQU16Z128mr:
3827 case X86::VMOVDQU16Z256mr:
3828 case X86::MMX_MOVD64mr:
3829 case X86::MMX_MOVQ64mr:
3830 case X86::MMX_MOVNTQmr:
3831 case X86::KMOVBmk:
3832 case X86::KMOVWmk:
3833 case X86::KMOVDmk:
3834 case X86::KMOVQmk:
3835 return true;
3836 }
3837 return false;
3838}
3839
3840unsigned X86InstrInfo::isLoadFromStackSlot(const MachineInstr &MI,
3841 int &FrameIndex) const {
3842 if (isFrameLoadOpcode(MI.getOpcode()))
3843 if (MI.getOperand(0).getSubReg() == 0 && isFrameOperand(MI, 1, FrameIndex))
3844 return MI.getOperand(0).getReg();
3845 return 0;
3846}
3847
3848unsigned X86InstrInfo::isLoadFromStackSlotPostFE(const MachineInstr &MI,
3849 int &FrameIndex) const {
3850 if (isFrameLoadOpcode(MI.getOpcode())) {
3851 unsigned Reg;
3852 if ((Reg = isLoadFromStackSlot(MI, FrameIndex)))
3853 return Reg;
3854 // Check for post-frame index elimination operations
3855 const MachineMemOperand *Dummy;
3856 return hasLoadFromStackSlot(MI, Dummy, FrameIndex);
3857 }
3858 return 0;
3859}
3860
3861unsigned X86InstrInfo::isStoreToStackSlot(const MachineInstr &MI,
3862 int &FrameIndex) const {
3863 if (isFrameStoreOpcode(MI.getOpcode()))
3864 if (MI.getOperand(X86::AddrNumOperands).getSubReg() == 0 &&
3865 isFrameOperand(MI, 0, FrameIndex))
3866 return MI.getOperand(X86::AddrNumOperands).getReg();
3867 return 0;
3868}
3869
3870unsigned X86InstrInfo::isStoreToStackSlotPostFE(const MachineInstr &MI,
3871 int &FrameIndex) const {
3872 if (isFrameStoreOpcode(MI.getOpcode())) {
3873 unsigned Reg;
3874 if ((Reg = isStoreToStackSlot(MI, FrameIndex)))
3875 return Reg;
3876 // Check for post-frame index elimination operations
3877 const MachineMemOperand *Dummy;
3878 return hasStoreToStackSlot(MI, Dummy, FrameIndex);
3879 }
3880 return 0;
3881}
3882
3883/// Return true if register is PIC base; i.e.g defined by X86::MOVPC32r.
3884static bool regIsPICBase(unsigned BaseReg, const MachineRegisterInfo &MRI) {
3885 // Don't waste compile time scanning use-def chains of physregs.
3886 if (!TargetRegisterInfo::isVirtualRegister(BaseReg))
3887 return false;
3888 bool isPICBase = false;
3889 for (MachineRegisterInfo::def_instr_iterator I = MRI.def_instr_begin(BaseReg),
3890 E = MRI.def_instr_end(); I != E; ++I) {
3891 MachineInstr *DefMI = &*I;
3892 if (DefMI->getOpcode() != X86::MOVPC32r)
3893 return false;
3894 assert(!isPICBase && "More than one PIC base?")((!isPICBase && "More than one PIC base?") ? static_cast
<void> (0) : __assert_fail ("!isPICBase && \"More than one PIC base?\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 3894, __PRETTY_FUNCTION__))
;
3895 isPICBase = true;
3896 }
3897 return isPICBase;
3898}
3899
3900bool X86InstrInfo::isReallyTriviallyReMaterializable(const MachineInstr &MI,
3901 AliasAnalysis *AA) const {
3902 switch (MI.getOpcode()) {
3903 default: break;
3904 case X86::MOV8rm:
3905 case X86::MOV8rm_NOREX:
3906 case X86::MOV16rm:
3907 case X86::MOV32rm:
3908 case X86::MOV64rm:
3909 case X86::LD_Fp64m:
3910 case X86::MOVSSrm:
3911 case X86::MOVSDrm:
3912 case X86::MOVAPSrm:
3913 case X86::MOVUPSrm:
3914 case X86::MOVAPDrm:
3915 case X86::MOVUPDrm:
3916 case X86::MOVDQArm:
3917 case X86::MOVDQUrm:
3918 case X86::VMOVSSrm:
3919 case X86::VMOVSDrm:
3920 case X86::VMOVAPSrm:
3921 case X86::VMOVUPSrm:
3922 case X86::VMOVAPDrm:
3923 case X86::VMOVUPDrm:
3924 case X86::VMOVDQArm:
3925 case X86::VMOVDQUrm:
3926 case X86::VMOVAPSYrm:
3927 case X86::VMOVUPSYrm:
3928 case X86::VMOVAPDYrm:
3929 case X86::VMOVUPDYrm:
3930 case X86::VMOVDQAYrm:
3931 case X86::VMOVDQUYrm:
3932 case X86::MMX_MOVD64rm:
3933 case X86::MMX_MOVQ64rm:
3934 // AVX-512
3935 case X86::VMOVSSZrm:
3936 case X86::VMOVSDZrm:
3937 case X86::VMOVAPDZ128rm:
3938 case X86::VMOVAPDZ256rm:
3939 case X86::VMOVAPDZrm:
3940 case X86::VMOVAPSZ128rm:
3941 case X86::VMOVAPSZ256rm:
3942 case X86::VMOVAPSZ128rm_NOVLX:
3943 case X86::VMOVAPSZ256rm_NOVLX:
3944 case X86::VMOVAPSZrm:
3945 case X86::VMOVDQA32Z128rm:
3946 case X86::VMOVDQA32Z256rm:
3947 case X86::VMOVDQA32Zrm:
3948 case X86::VMOVDQA64Z128rm:
3949 case X86::VMOVDQA64Z256rm:
3950 case X86::VMOVDQA64Zrm:
3951 case X86::VMOVDQU16Z128rm:
3952 case X86::VMOVDQU16Z256rm:
3953 case X86::VMOVDQU16Zrm:
3954 case X86::VMOVDQU32Z128rm:
3955 case X86::VMOVDQU32Z256rm:
3956 case X86::VMOVDQU32Zrm:
3957 case X86::VMOVDQU64Z128rm:
3958 case X86::VMOVDQU64Z256rm:
3959 case X86::VMOVDQU64Zrm:
3960 case X86::VMOVDQU8Z128rm:
3961 case X86::VMOVDQU8Z256rm:
3962 case X86::VMOVDQU8Zrm:
3963 case X86::VMOVUPDZ128rm:
3964 case X86::VMOVUPDZ256rm:
3965 case X86::VMOVUPDZrm:
3966 case X86::VMOVUPSZ128rm:
3967 case X86::VMOVUPSZ256rm:
3968 case X86::VMOVUPSZ128rm_NOVLX:
3969 case X86::VMOVUPSZ256rm_NOVLX:
3970 case X86::VMOVUPSZrm: {
3971 // Loads from constant pools are trivially rematerializable.
3972 if (MI.getOperand(1 + X86::AddrBaseReg).isReg() &&
3973 MI.getOperand(1 + X86::AddrScaleAmt).isImm() &&
3974 MI.getOperand(1 + X86::AddrIndexReg).isReg() &&
3975 MI.getOperand(1 + X86::AddrIndexReg).getReg() == 0 &&
3976 MI.isDereferenceableInvariantLoad(AA)) {
3977 unsigned BaseReg = MI.getOperand(1 + X86::AddrBaseReg).getReg();
3978 if (BaseReg == 0 || BaseReg == X86::RIP)
3979 return true;
3980 // Allow re-materialization of PIC load.
3981 if (!ReMatPICStubLoad && MI.getOperand(1 + X86::AddrDisp).isGlobal())
3982 return false;
3983 const MachineFunction &MF = *MI.getParent()->getParent();
3984 const MachineRegisterInfo &MRI = MF.getRegInfo();
3985 return regIsPICBase(BaseReg, MRI);
3986 }
3987 return false;
3988 }
3989
3990 case X86::LEA32r:
3991 case X86::LEA64r: {
3992 if (MI.getOperand(1 + X86::AddrScaleAmt).isImm() &&
3993 MI.getOperand(1 + X86::AddrIndexReg).isReg() &&
3994 MI.getOperand(1 + X86::AddrIndexReg).getReg() == 0 &&
3995 !MI.getOperand(1 + X86::AddrDisp).isReg()) {
3996 // lea fi#, lea GV, etc. are all rematerializable.
3997 if (!MI.getOperand(1 + X86::AddrBaseReg).isReg())
3998 return true;
3999 unsigned BaseReg = MI.getOperand(1 + X86::AddrBaseReg).getReg();
4000 if (BaseReg == 0)
4001 return true;
4002 // Allow re-materialization of lea PICBase + x.
4003 const MachineFunction &MF = *MI.getParent()->getParent();
4004 const MachineRegisterInfo &MRI = MF.getRegInfo();
4005 return regIsPICBase(BaseReg, MRI);
4006 }
4007 return false;
4008 }
4009 }
4010
4011 // All other instructions marked M_REMATERIALIZABLE are always trivially
4012 // rematerializable.
4013 return true;
4014}
4015
4016bool X86InstrInfo::isSafeToClobberEFLAGS(MachineBasicBlock &MBB,
4017 MachineBasicBlock::iterator I) const {
4018 MachineBasicBlock::iterator E = MBB.end();
4019
4020 // For compile time consideration, if we are not able to determine the
4021 // safety after visiting 4 instructions in each direction, we will assume
4022 // it's not safe.
4023 MachineBasicBlock::iterator Iter = I;
4024 for (unsigned i = 0; Iter != E && i < 4; ++i) {
4025 bool SeenDef = false;
4026 for (unsigned j = 0, e = Iter->getNumOperands(); j != e; ++j) {
4027 MachineOperand &MO = Iter->getOperand(j);
4028 if (MO.isRegMask() && MO.clobbersPhysReg(X86::EFLAGS))
4029 SeenDef = true;
4030 if (!MO.isReg())
4031 continue;
4032 if (MO.getReg() == X86::EFLAGS) {
4033 if (MO.isUse())
4034 return false;
4035 SeenDef = true;
4036 }
4037 }
4038
4039 if (SeenDef)
4040 // This instruction defines EFLAGS, no need to look any further.
4041 return true;
4042 ++Iter;
4043 // Skip over DBG_VALUE.
4044 while (Iter != E && Iter->isDebugValue())
4045 ++Iter;
4046 }
4047
4048 // It is safe to clobber EFLAGS at the end of a block of no successor has it
4049 // live in.
4050 if (Iter == E) {
4051 for (MachineBasicBlock *S : MBB.successors())
4052 if (S->isLiveIn(X86::EFLAGS))
4053 return false;
4054 return true;
4055 }
4056
4057 MachineBasicBlock::iterator B = MBB.begin();
4058 Iter = I;
4059 for (unsigned i = 0; i < 4; ++i) {
4060 // If we make it to the beginning of the block, it's safe to clobber
4061 // EFLAGS iff EFLAGS is not live-in.
4062 if (Iter == B)
4063 return !MBB.isLiveIn(X86::EFLAGS);
4064
4065 --Iter;
4066 // Skip over DBG_VALUE.
4067 while (Iter != B && Iter->isDebugValue())
4068 --Iter;
4069
4070 bool SawKill = false;
4071 for (unsigned j = 0, e = Iter->getNumOperands(); j != e; ++j) {
4072 MachineOperand &MO = Iter->getOperand(j);
4073 // A register mask may clobber EFLAGS, but we should still look for a
4074 // live EFLAGS def.
4075 if (MO.isRegMask() && MO.clobbersPhysReg(X86::EFLAGS))
4076 SawKill = true;
4077 if (MO.isReg() && MO.getReg() == X86::EFLAGS) {
4078 if (MO.isDef()) return MO.isDead();
4079 if (MO.isKill()) SawKill = true;
4080 }
4081 }
4082
4083 if (SawKill)
4084 // This instruction kills EFLAGS and doesn't redefine it, so
4085 // there's no need to look further.
4086 return true;
4087 }
4088
4089 // Conservative answer.
4090 return false;
4091}
4092
4093void X86InstrInfo::reMaterialize(MachineBasicBlock &MBB,
4094 MachineBasicBlock::iterator I,
4095 unsigned DestReg, unsigned SubIdx,
4096 const MachineInstr &Orig,
4097 const TargetRegisterInfo &TRI) const {
4098 bool ClobbersEFLAGS = false;
4099 for (const MachineOperand &MO : Orig.operands()) {
4100 if (MO.isReg() && MO.isDef() && MO.getReg() == X86::EFLAGS) {
4101 ClobbersEFLAGS = true;
4102 break;
4103 }
4104 }
4105
4106 if (ClobbersEFLAGS && !isSafeToClobberEFLAGS(MBB, I)) {
4107 // The instruction clobbers EFLAGS. Re-materialize as MOV32ri to avoid side
4108 // effects.
4109 int Value;
4110 switch (Orig.getOpcode()) {
4111 case X86::MOV32r0: Value = 0; break;
4112 case X86::MOV32r1: Value = 1; break;
4113 case X86::MOV32r_1: Value = -1; break;
4114 default:
4115 llvm_unreachable("Unexpected instruction!")::llvm::llvm_unreachable_internal("Unexpected instruction!", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 4115)
;
4116 }
4117
4118 const DebugLoc &DL = Orig.getDebugLoc();
4119 BuildMI(MBB, I, DL, get(X86::MOV32ri))
4120 .add(Orig.getOperand(0))
4121 .addImm(Value);
4122 } else {
4123 MachineInstr *MI = MBB.getParent()->CloneMachineInstr(&Orig);
4124 MBB.insert(I, MI);
4125 }
4126
4127 MachineInstr &NewMI = *std::prev(I);
4128 NewMI.substituteRegister(Orig.getOperand(0).getReg(), DestReg, SubIdx, TRI);
4129}
4130
4131/// True if MI has a condition code def, e.g. EFLAGS, that is not marked dead.
4132bool X86InstrInfo::hasLiveCondCodeDef(MachineInstr &MI) const {
4133 for (unsigned i = 0, e = MI.getNumOperands(); i != e; ++i) {
4134 MachineOperand &MO = MI.getOperand(i);
4135 if (MO.isReg() && MO.isDef() &&
4136 MO.getReg() == X86::EFLAGS && !MO.isDead()) {
4137 return true;
4138 }
4139 }
4140 return false;
4141}
4142
4143/// Check whether the shift count for a machine operand is non-zero.
4144inline static unsigned getTruncatedShiftCount(MachineInstr &MI,
4145 unsigned ShiftAmtOperandIdx) {
4146 // The shift count is six bits with the REX.W prefix and five bits without.
4147 unsigned ShiftCountMask = (MI.getDesc().TSFlags & X86II::REX_W) ? 63 : 31;
4148 unsigned Imm = MI.getOperand(ShiftAmtOperandIdx).getImm();
4149 return Imm & ShiftCountMask;
4150}
4151
4152/// Check whether the given shift count is appropriate
4153/// can be represented by a LEA instruction.
4154inline static bool isTruncatedShiftCountForLEA(unsigned ShAmt) {
4155 // Left shift instructions can be transformed into load-effective-address
4156 // instructions if we can encode them appropriately.
4157 // A LEA instruction utilizes a SIB byte to encode its scale factor.
4158 // The SIB.scale field is two bits wide which means that we can encode any
4159 // shift amount less than 4.
4160 return ShAmt < 4 && ShAmt > 0;
4161}
4162
4163bool X86InstrInfo::classifyLEAReg(MachineInstr &MI, const MachineOperand &Src,
4164 unsigned Opc, bool AllowSP, unsigned &NewSrc,
4165 bool &isKill, bool &isUndef,
4166 MachineOperand &ImplicitOp,
4167 LiveVariables *LV) const {
4168 MachineFunction &MF = *MI.getParent()->getParent();
4169 const TargetRegisterClass *RC;
4170 if (AllowSP) {
4171 RC = Opc != X86::LEA32r ? &X86::GR64RegClass : &X86::GR32RegClass;
4172 } else {
4173 RC = Opc != X86::LEA32r ?
4174 &X86::GR64_NOSPRegClass : &X86::GR32_NOSPRegClass;
4175 }
4176 unsigned SrcReg = Src.getReg();
4177
4178 // For both LEA64 and LEA32 the register already has essentially the right
4179 // type (32-bit or 64-bit) we may just need to forbid SP.
4180 if (Opc != X86::LEA64_32r) {
4181 NewSrc = SrcReg;
4182 isKill = Src.isKill();
4183 isUndef = Src.isUndef();
4184
4185 if (TargetRegisterInfo::isVirtualRegister(NewSrc) &&
4186 !MF.getRegInfo().constrainRegClass(NewSrc, RC))
4187 return false;
4188
4189 return true;
4190 }
4191
4192 // This is for an LEA64_32r and incoming registers are 32-bit. One way or
4193 // another we need to add 64-bit registers to the final MI.
4194 if (TargetRegisterInfo::isPhysicalRegister(SrcReg)) {
4195 ImplicitOp = Src;
4196 ImplicitOp.setImplicit();
4197
4198 NewSrc = getX86SubSuperRegister(Src.getReg(), 64);
4199 isKill = Src.isKill();
4200 isUndef = Src.isUndef();
4201 } else {
4202 // Virtual register of the wrong class, we have to create a temporary 64-bit
4203 // vreg to feed into the LEA.
4204 NewSrc = MF.getRegInfo().createVirtualRegister(RC);
4205 MachineInstr *Copy =
4206 BuildMI(*MI.getParent(), MI, MI.getDebugLoc(), get(TargetOpcode::COPY))
4207 .addReg(NewSrc, RegState::Define | RegState::Undef, X86::sub_32bit)
4208 .add(Src);
4209
4210 // Which is obviously going to be dead after we're done with it.
4211 isKill = true;
4212 isUndef = false;
4213
4214 if (LV)
4215 LV->replaceKillInstruction(SrcReg, MI, *Copy);
4216 }
4217
4218 // We've set all the parameters without issue.
4219 return true;
4220}
4221
4222/// Helper for convertToThreeAddress when 16-bit LEA is disabled, use 32-bit
4223/// LEA to form 3-address code by promoting to a 32-bit superregister and then
4224/// truncating back down to a 16-bit subregister.
4225MachineInstr *X86InstrInfo::convertToThreeAddressWithLEA(
4226 unsigned MIOpc, MachineFunction::iterator &MFI, MachineInstr &MI,
4227 LiveVariables *LV) const {
4228 MachineBasicBlock::iterator MBBI = MI.getIterator();
4229 unsigned Dest = MI.getOperand(0).getReg();
4230 unsigned Src = MI.getOperand(1).getReg();
4231 bool isDead = MI.getOperand(0).isDead();
4232 bool isKill = MI.getOperand(1).isKill();
4233
4234 MachineRegisterInfo &RegInfo = MFI->getParent()->getRegInfo();
4235 unsigned leaOutReg = RegInfo.createVirtualRegister(&X86::GR32RegClass);
4236 unsigned Opc, leaInReg;
4237 if (Subtarget.is64Bit()) {
4238 Opc = X86::LEA64_32r;
4239 leaInReg = RegInfo.createVirtualRegister(&X86::GR64_NOSPRegClass);
4240 } else {
4241 Opc = X86::LEA32r;
4242 leaInReg = RegInfo.createVirtualRegister(&X86::GR32_NOSPRegClass);
4243 }
4244
4245 // Build and insert into an implicit UNDEF value. This is OK because
4246 // well be shifting and then extracting the lower 16-bits.
4247 // This has the potential to cause partial register stall. e.g.
4248 // movw (%rbp,%rcx,2), %dx
4249 // leal -65(%rdx), %esi
4250 // But testing has shown this *does* help performance in 64-bit mode (at
4251 // least on modern x86 machines).
4252 BuildMI(*MFI, MBBI, MI.getDebugLoc(), get(X86::IMPLICIT_DEF), leaInReg);
4253 MachineInstr *InsMI =
4254 BuildMI(*MFI, MBBI, MI.getDebugLoc(), get(TargetOpcode::COPY))
4255 .addReg(leaInReg, RegState::Define, X86::sub_16bit)
4256 .addReg(Src, getKillRegState(isKill));
4257
4258 MachineInstrBuilder MIB =
4259 BuildMI(*MFI, MBBI, MI.getDebugLoc(), get(Opc), leaOutReg);
4260 switch (MIOpc) {
4261 default: llvm_unreachable("Unreachable!")::llvm::llvm_unreachable_internal("Unreachable!", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 4261)
;
4262 case X86::SHL16ri: {
4263 unsigned ShAmt = MI.getOperand(2).getImm();
4264 MIB.addReg(0).addImm(1ULL << ShAmt)
4265 .addReg(leaInReg, RegState::Kill).addImm(0).addReg(0);
4266 break;
4267 }
4268 case X86::INC16r:
4269 addRegOffset(MIB, leaInReg, true, 1);
4270 break;
4271 case X86::DEC16r:
4272 addRegOffset(MIB, leaInReg, true, -1);
4273 break;
4274 case X86::ADD16ri:
4275 case X86::ADD16ri8:
4276 case X86::ADD16ri_DB:
4277 case X86::ADD16ri8_DB:
4278 addRegOffset(MIB, leaInReg, true, MI.getOperand(2).getImm());
4279 break;
4280 case X86::ADD16rr:
4281 case X86::ADD16rr_DB: {
4282 unsigned Src2 = MI.getOperand(2).getReg();
4283 bool isKill2 = MI.getOperand(2).isKill();
4284 unsigned leaInReg2 = 0;
4285 MachineInstr *InsMI2 = nullptr;
4286 if (Src == Src2) {
4287 // ADD16rr %reg1028<kill>, %reg1028
4288 // just a single insert_subreg.
4289 addRegReg(MIB, leaInReg, true, leaInReg, false);
4290 } else {
4291 if (Subtarget.is64Bit())
4292 leaInReg2 = RegInfo.createVirtualRegister(&X86::GR64_NOSPRegClass);
4293 else
4294 leaInReg2 = RegInfo.createVirtualRegister(&X86::GR32_NOSPRegClass);
4295 // Build and insert into an implicit UNDEF value. This is OK because
4296 // well be shifting and then extracting the lower 16-bits.
4297 BuildMI(*MFI, &*MIB, MI.getDebugLoc(), get(X86::IMPLICIT_DEF), leaInReg2);
4298 InsMI2 = BuildMI(*MFI, &*MIB, MI.getDebugLoc(), get(TargetOpcode::COPY))
4299 .addReg(leaInReg2, RegState::Define, X86::sub_16bit)
4300 .addReg(Src2, getKillRegState(isKill2));
4301 addRegReg(MIB, leaInReg, true, leaInReg2, true);
4302 }
4303 if (LV && isKill2 && InsMI2)
4304 LV->replaceKillInstruction(Src2, MI, *InsMI2);
4305 break;
4306 }
4307 }
4308
4309 MachineInstr *NewMI = MIB;
4310 MachineInstr *ExtMI =
4311 BuildMI(*MFI, MBBI, MI.getDebugLoc(), get(TargetOpcode::COPY))
4312 .addReg(Dest, RegState::Define | getDeadRegState(isDead))
4313 .addReg(leaOutReg, RegState::Kill, X86::sub_16bit);
4314
4315 if (LV) {
4316 // Update live variables
4317 LV->getVarInfo(leaInReg).Kills.push_back(NewMI);
4318 LV->getVarInfo(leaOutReg).Kills.push_back(ExtMI);
4319 if (isKill)
4320 LV->replaceKillInstruction(Src, MI, *InsMI);
4321 if (isDead)
4322 LV->replaceKillInstruction(Dest, MI, *ExtMI);
4323 }
4324
4325 return ExtMI;
4326}
4327
4328/// This method must be implemented by targets that
4329/// set the M_CONVERTIBLE_TO_3_ADDR flag. When this flag is set, the target
4330/// may be able to convert a two-address instruction into a true
4331/// three-address instruction on demand. This allows the X86 target (for
4332/// example) to convert ADD and SHL instructions into LEA instructions if they
4333/// would require register copies due to two-addressness.
4334///
4335/// This method returns a null pointer if the transformation cannot be
4336/// performed, otherwise it returns the new instruction.
4337///
4338MachineInstr *
4339X86InstrInfo::convertToThreeAddress(MachineFunction::iterator &MFI,
4340 MachineInstr &MI, LiveVariables *LV) const {
4341 // The following opcodes also sets the condition code register(s). Only
4342 // convert them to equivalent lea if the condition code register def's
4343 // are dead!
4344 if (hasLiveCondCodeDef(MI))
4345 return nullptr;
4346
4347 MachineFunction &MF = *MI.getParent()->getParent();
4348 // All instructions input are two-addr instructions. Get the known operands.
4349 const MachineOperand &Dest = MI.getOperand(0);
4350 const MachineOperand &Src = MI.getOperand(1);
4351
4352 MachineInstr *NewMI = nullptr;
4353 // FIXME: 16-bit LEA's are really slow on Athlons, but not bad on P4's. When
4354 // we have better subtarget support, enable the 16-bit LEA generation here.
4355 // 16-bit LEA is also slow on Core2.
4356 bool DisableLEA16 = true;
4357 bool is64Bit = Subtarget.is64Bit();
4358
4359 unsigned MIOpc = MI.getOpcode();
4360 switch (MIOpc) {
4361 default: return nullptr;
4362 case X86::SHL64ri: {
4363 assert(MI.getNumOperands() >= 3 && "Unknown shift instruction!")((MI.getNumOperands() >= 3 && "Unknown shift instruction!"
) ? static_cast<void> (0) : __assert_fail ("MI.getNumOperands() >= 3 && \"Unknown shift instruction!\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 4363, __PRETTY_FUNCTION__))
;
4364 unsigned ShAmt = getTruncatedShiftCount(MI, 2);
4365 if (!isTruncatedShiftCountForLEA(ShAmt)) return nullptr;
4366
4367 // LEA can't handle RSP.
4368 if (TargetRegisterInfo::isVirtualRegister(Src.getReg()) &&
4369 !MF.getRegInfo().constrainRegClass(Src.getReg(),
4370 &X86::GR64_NOSPRegClass))
4371 return nullptr;
4372
4373 NewMI = BuildMI(MF, MI.getDebugLoc(), get(X86::LEA64r))
4374 .add(Dest)
4375 .addReg(0)
4376 .addImm(1ULL << ShAmt)
4377 .add(Src)
4378 .addImm(0)
4379 .addReg(0);
4380 break;
4381 }
4382 case X86::SHL32ri: {
4383 assert(MI.getNumOperands() >= 3 && "Unknown shift instruction!")((MI.getNumOperands() >= 3 && "Unknown shift instruction!"
) ? static_cast<void> (0) : __assert_fail ("MI.getNumOperands() >= 3 && \"Unknown shift instruction!\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 4383, __PRETTY_FUNCTION__))
;
4384 unsigned ShAmt = getTruncatedShiftCount(MI, 2);
4385 if (!isTruncatedShiftCountForLEA(ShAmt)) return nullptr;
4386
4387 unsigned Opc = is64Bit ? X86::LEA64_32r : X86::LEA32r;
4388
4389 // LEA can't handle ESP.
4390 bool isKill, isUndef;
4391 unsigned SrcReg;
4392 MachineOperand ImplicitOp = MachineOperand::CreateReg(0, false);
4393 if (!classifyLEAReg(MI, Src, Opc, /*AllowSP=*/ false,
4394 SrcReg, isKill, isUndef, ImplicitOp, LV))
4395 return nullptr;
4396
4397 MachineInstrBuilder MIB =
4398 BuildMI(MF, MI.getDebugLoc(), get(Opc))
4399 .add(Dest)
4400 .addReg(0)
4401 .addImm(1ULL << ShAmt)
4402 .addReg(SrcReg, getKillRegState(isKill) | getUndefRegState(isUndef))
4403 .addImm(0)
4404 .addReg(0);
4405 if (ImplicitOp.getReg() != 0)
4406 MIB.add(ImplicitOp);
4407 NewMI = MIB;
4408
4409 break;
4410 }
4411 case X86::SHL16ri: {
4412 assert(MI.getNumOperands() >= 3 && "Unknown shift instruction!")((MI.getNumOperands() >= 3 && "Unknown shift instruction!"
) ? static_cast<void> (0) : __assert_fail ("MI.getNumOperands() >= 3 && \"Unknown shift instruction!\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 4412, __PRETTY_FUNCTION__))
;
4413 unsigned ShAmt = getTruncatedShiftCount(MI, 2);
4414 if (!isTruncatedShiftCountForLEA(ShAmt)) return nullptr;
4415
4416 if (DisableLEA16)
4417 return is64Bit ? convertToThreeAddressWithLEA(MIOpc, MFI, MI, LV)
4418 : nullptr;
4419 NewMI = BuildMI(MF, MI.getDebugLoc(), get(X86::LEA16r))
4420 .add(Dest)
4421 .addReg(0)
4422 .addImm(1ULL << ShAmt)
4423 .add(Src)
4424 .addImm(0)
4425 .addReg(0);
4426 break;
4427 }
4428 case X86::INC64r:
4429 case X86::INC32r: {
4430 assert(MI.getNumOperands() >= 2 && "Unknown inc instruction!")((MI.getNumOperands() >= 2 && "Unknown inc instruction!"
) ? static_cast<void> (0) : __assert_fail ("MI.getNumOperands() >= 2 && \"Unknown inc instruction!\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 4430, __PRETTY_FUNCTION__))
;
4431 unsigned Opc = MIOpc == X86::INC64r ? X86::LEA64r
4432 : (is64Bit ? X86::LEA64_32r : X86::LEA32r);
4433 bool isKill, isUndef;
4434 unsigned SrcReg;
4435 MachineOperand ImplicitOp = MachineOperand::CreateReg(0, false);
4436 if (!classifyLEAReg(MI, Src, Opc, /*AllowSP=*/ false,
4437 SrcReg, isKill, isUndef, ImplicitOp, LV))
4438 return nullptr;
4439
4440 MachineInstrBuilder MIB =
4441 BuildMI(MF, MI.getDebugLoc(), get(Opc))
4442 .add(Dest)
4443 .addReg(SrcReg,
4444 getKillRegState(isKill) | getUndefRegState(isUndef));
4445 if (ImplicitOp.getReg() != 0)
4446 MIB.add(ImplicitOp);
4447
4448 NewMI = addOffset(MIB, 1);
4449 break;
4450 }
4451 case X86::INC16r:
4452 if (DisableLEA16)
4453 return is64Bit ? convertToThreeAddressWithLEA(MIOpc, MFI, MI, LV)
4454 : nullptr;
4455 assert(MI.getNumOperands() >= 2 && "Unknown inc instruction!")((MI.getNumOperands() >= 2 && "Unknown inc instruction!"
) ? static_cast<void> (0) : __assert_fail ("MI.getNumOperands() >= 2 && \"Unknown inc instruction!\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 4455, __PRETTY_FUNCTION__))
;
4456 NewMI = addOffset(
4457 BuildMI(MF, MI.getDebugLoc(), get(X86::LEA16r)).add(Dest).add(Src), 1);
4458 break;
4459 case X86::DEC64r:
4460 case X86::DEC32r: {
4461 assert(MI.getNumOperands() >= 2 && "Unknown dec instruction!")((MI.getNumOperands() >= 2 && "Unknown dec instruction!"
) ? static_cast<void> (0) : __assert_fail ("MI.getNumOperands() >= 2 && \"Unknown dec instruction!\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 4461, __PRETTY_FUNCTION__))
;
4462 unsigned Opc = MIOpc == X86::DEC64r ? X86::LEA64r
4463 : (is64Bit ? X86::LEA64_32r : X86::LEA32r);
4464
4465 bool isKill, isUndef;
4466 unsigned SrcReg;
4467 MachineOperand ImplicitOp = MachineOperand::CreateReg(0, false);
4468 if (!classifyLEAReg(MI, Src, Opc, /*AllowSP=*/ false,
4469 SrcReg, isKill, isUndef, ImplicitOp, LV))
4470 return nullptr;
4471
4472 MachineInstrBuilder MIB = BuildMI(MF, MI.getDebugLoc(), get(Opc))
4473 .add(Dest)
4474 .addReg(SrcReg, getUndefRegState(isUndef) |
4475 getKillRegState(isKill));
4476 if (ImplicitOp.getReg() != 0)
4477 MIB.add(ImplicitOp);
4478
4479 NewMI = addOffset(MIB, -1);
4480
4481 break;
4482 }
4483 case X86::DEC16r:
4484 if (DisableLEA16)
4485 return is64Bit ? convertToThreeAddressWithLEA(MIOpc, MFI, MI, LV)
4486 : nullptr;
4487 assert(MI.getNumOperands() >= 2 && "Unknown dec instruction!")((MI.getNumOperands() >= 2 && "Unknown dec instruction!"
) ? static_cast<void> (0) : __assert_fail ("MI.getNumOperands() >= 2 && \"Unknown dec instruction!\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 4487, __PRETTY_FUNCTION__))
;
4488 NewMI = addOffset(
4489 BuildMI(MF, MI.getDebugLoc(), get(X86::LEA16r)).add(Dest).add(Src), -1);
4490 break;
4491 case X86::ADD64rr:
4492 case X86::ADD64rr_DB:
4493 case X86::ADD32rr:
4494 case X86::ADD32rr_DB: {
4495 assert(MI.getNumOperands() >= 3 && "Unknown add instruction!")((MI.getNumOperands() >= 3 && "Unknown add instruction!"
) ? static_cast<void> (0) : __assert_fail ("MI.getNumOperands() >= 3 && \"Unknown add instruction!\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 4495, __PRETTY_FUNCTION__))
;
4496 unsigned Opc;
4497 if (MIOpc == X86::ADD64rr || MIOpc == X86::ADD64rr_DB)
4498 Opc = X86::LEA64r;
4499 else
4500 Opc = is64Bit ? X86::LEA64_32r : X86::LEA32r;
4501
4502 bool isKill, isUndef;
4503 unsigned SrcReg;
4504 MachineOperand ImplicitOp = MachineOperand::CreateReg(0, false);
4505 if (!classifyLEAReg(MI, Src, Opc, /*AllowSP=*/ true,
4506 SrcReg, isKill, isUndef, ImplicitOp, LV))
4507 return nullptr;
4508
4509 const MachineOperand &Src2 = MI.getOperand(2);
4510 bool isKill2, isUndef2;
4511 unsigned SrcReg2;
4512 MachineOperand ImplicitOp2 = MachineOperand::CreateReg(0, false);
4513 if (!classifyLEAReg(MI, Src2, Opc, /*AllowSP=*/ false,
4514 SrcReg2, isKill2, isUndef2, ImplicitOp2, LV))
4515 return nullptr;
4516
4517 MachineInstrBuilder MIB = BuildMI(MF, MI.getDebugLoc(), get(Opc)).add(Dest);
4518 if (ImplicitOp.getReg() != 0)
4519 MIB.add(ImplicitOp);
4520 if (ImplicitOp2.getReg() != 0)
4521 MIB.add(ImplicitOp2);
4522
4523 NewMI = addRegReg(MIB, SrcReg, isKill, SrcReg2, isKill2);
4524
4525 // Preserve undefness of the operands.
4526 NewMI->getOperand(1).setIsUndef(isUndef);
4527 NewMI->getOperand(3).setIsUndef(isUndef2);
4528
4529 if (LV && Src2.isKill())
4530 LV->replaceKillInstruction(SrcReg2, MI, *NewMI);
4531 break;
4532 }
4533 case X86::ADD16rr:
4534 case X86::ADD16rr_DB: {
4535 if (DisableLEA16)
4536 return is64Bit ? convertToThreeAddressWithLEA(MIOpc, MFI, MI, LV)
4537 : nullptr;
4538 assert(MI.getNumOperands() >= 3 && "Unknown add instruction!")((MI.getNumOperands() >= 3 && "Unknown add instruction!"
) ? static_cast<void> (0) : __assert_fail ("MI.getNumOperands() >= 3 && \"Unknown add instruction!\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 4538, __PRETTY_FUNCTION__))
;
4539 unsigned Src2 = MI.getOperand(2).getReg();
4540 bool isKill2 = MI.getOperand(2).isKill();
4541 NewMI = addRegReg(BuildMI(MF, MI.getDebugLoc(), get(X86::LEA16r)).add(Dest),
4542 Src.getReg(), Src.isKill(), Src2, isKill2);
4543
4544 // Preserve undefness of the operands.
4545 bool isUndef = MI.getOperand(1).isUndef();
4546 bool isUndef2 = MI.getOperand(2).isUndef();
4547 NewMI->getOperand(1).setIsUndef(isUndef);
4548 NewMI->getOperand(3).setIsUndef(isUndef2);
4549
4550 if (LV && isKill2)
4551 LV->replaceKillInstruction(Src2, MI, *NewMI);
4552 break;
4553 }
4554 case X86::ADD64ri32:
4555 case X86::ADD64ri8:
4556 case X86::ADD64ri32_DB:
4557 case X86::ADD64ri8_DB:
4558 assert(MI.getNumOperands() >= 3 && "Unknown add instruction!")((MI.getNumOperands() >= 3 && "Unknown add instruction!"
) ? static_cast<void> (0) : __assert_fail ("MI.getNumOperands() >= 3 && \"Unknown add instruction!\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 4558, __PRETTY_FUNCTION__))
;
4559 NewMI = addOffset(
4560 BuildMI(MF, MI.getDebugLoc(), get(X86::LEA64r)).add(Dest).add(Src),
4561 MI.getOperand(2));
4562 break;
4563 case X86::ADD32ri:
4564 case X86::ADD32ri8:
4565 case X86::ADD32ri_DB:
4566 case X86::ADD32ri8_DB: {
4567 assert(MI.getNumOperands() >= 3 && "Unknown add instruction!")((MI.getNumOperands() >= 3 && "Unknown add instruction!"
) ? static_cast<void> (0) : __assert_fail ("MI.getNumOperands() >= 3 && \"Unknown add instruction!\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 4567, __PRETTY_FUNCTION__))
;
4568 unsigned Opc = is64Bit ? X86::LEA64_32r : X86::LEA32r;
4569
4570 bool isKill, isUndef;
4571 unsigned SrcReg;
4572 MachineOperand ImplicitOp = MachineOperand::CreateReg(0, false);
4573 if (!classifyLEAReg(MI, Src, Opc, /*AllowSP=*/ true,
4574 SrcReg, isKill, isUndef, ImplicitOp, LV))
4575 return nullptr;
4576
4577 MachineInstrBuilder MIB = BuildMI(MF, MI.getDebugLoc(), get(Opc))
4578 .add(Dest)
4579 .addReg(SrcReg, getUndefRegState(isUndef) |
4580 getKillRegState(isKill));
4581 if (ImplicitOp.getReg() != 0)
4582 MIB.add(ImplicitOp);
4583
4584 NewMI = addOffset(MIB, MI.getOperand(2));
4585 break;
4586 }
4587 case X86::ADD16ri:
4588 case X86::ADD16ri8:
4589 case X86::ADD16ri_DB:
4590 case X86::ADD16ri8_DB:
4591 if (DisableLEA16)
4592 return is64Bit ? convertToThreeAddressWithLEA(MIOpc, MFI, MI, LV)
4593 : nullptr;
4594 assert(MI.getNumOperands() >= 3 && "Unknown add instruction!")((MI.getNumOperands() >= 3 && "Unknown add instruction!"
) ? static_cast<void> (0) : __assert_fail ("MI.getNumOperands() >= 3 && \"Unknown add instruction!\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 4594, __PRETTY_FUNCTION__))
;
4595 NewMI = addOffset(
4596 BuildMI(MF, MI.getDebugLoc(), get(X86::LEA16r)).add(Dest).add(Src),
4597 MI.getOperand(2));
4598 break;
4599
4600 case X86::VMOVDQU8Z128rmk:
4601 case X86::VMOVDQU8Z256rmk:
4602 case X86::VMOVDQU8Zrmk:
4603 case X86::VMOVDQU16Z128rmk:
4604 case X86::VMOVDQU16Z256rmk:
4605 case X86::VMOVDQU16Zrmk:
4606 case X86::VMOVDQU32Z128rmk: case X86::VMOVDQA32Z128rmk:
4607 case X86::VMOVDQU32Z256rmk: case X86::VMOVDQA32Z256rmk:
4608 case X86::VMOVDQU32Zrmk: case X86::VMOVDQA32Zrmk:
4609 case X86::VMOVDQU64Z128rmk: case X86::VMOVDQA64Z128rmk:
4610 case X86::VMOVDQU64Z256rmk: case X86::VMOVDQA64Z256rmk:
4611 case X86::VMOVDQU64Zrmk: case X86::VMOVDQA64Zrmk:
4612 case X86::VMOVUPDZ128rmk: case X86::VMOVAPDZ128rmk:
4613 case X86::VMOVUPDZ256rmk: case X86::VMOVAPDZ256rmk:
4614 case X86::VMOVUPDZrmk: case X86::VMOVAPDZrmk:
4615 case X86::VMOVUPSZ128rmk: case X86::VMOVAPSZ128rmk:
4616 case X86::VMOVUPSZ256rmk: case X86::VMOVAPSZ256rmk:
4617 case X86::VMOVUPSZrmk: case X86::VMOVAPSZrmk: {
4618 unsigned Opc;
4619 switch (MIOpc) {
4620 default: llvm_unreachable("Unreachable!")::llvm::llvm_unreachable_internal("Unreachable!", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 4620)
;
4621 case X86::VMOVDQU8Z128rmk: Opc = X86::VPBLENDMBZ128rmk; break;
4622 case X86::VMOVDQU8Z256rmk: Opc = X86::VPBLENDMBZ256rmk; break;
4623 case X86::VMOVDQU8Zrmk: Opc = X86::VPBLENDMBZrmk; break;
4624 case X86::VMOVDQU16Z128rmk: Opc = X86::VPBLENDMWZ128rmk; break;
4625 case X86::VMOVDQU16Z256rmk: Opc = X86::VPBLENDMWZ256rmk; break;
4626 case X86::VMOVDQU16Zrmk: Opc = X86::VPBLENDMWZrmk; break;
4627 case X86::VMOVDQU32Z128rmk: Opc = X86::VPBLENDMDZ128rmk; break;
4628 case X86::VMOVDQU32Z256rmk: Opc = X86::VPBLENDMDZ256rmk; break;
4629 case X86::VMOVDQU32Zrmk: Opc = X86::VPBLENDMDZrmk; break;
4630 case X86::VMOVDQU64Z128rmk: Opc = X86::VPBLENDMQZ128rmk; break;
4631 case X86::VMOVDQU64Z256rmk: Opc = X86::VPBLENDMQZ256rmk; break;
4632 case X86::VMOVDQU64Zrmk: Opc = X86::VPBLENDMQZrmk; break;
4633 case X86::VMOVUPDZ128rmk: Opc = X86::VBLENDMPDZ128rmk; break;
4634 case X86::VMOVUPDZ256rmk: Opc = X86::VBLENDMPDZ256rmk; break;
4635 case X86::VMOVUPDZrmk: Opc = X86::VBLENDMPDZrmk; break;
4636 case X86::VMOVUPSZ128rmk: Opc = X86::VBLENDMPSZ128rmk; break;
4637 case X86::VMOVUPSZ256rmk: Opc = X86::VBLENDMPSZ256rmk; break;
4638 case X86::VMOVUPSZrmk: Opc = X86::VBLENDMPSZrmk; break;
4639 case X86::VMOVDQA32Z128rmk: Opc = X86::VPBLENDMDZ128rmk; break;
4640 case X86::VMOVDQA32Z256rmk: Opc = X86::VPBLENDMDZ256rmk; break;
4641 case X86::VMOVDQA32Zrmk: Opc = X86::VPBLENDMDZrmk; break;
4642 case X86::VMOVDQA64Z128rmk: Opc = X86::VPBLENDMQZ128rmk; break;
4643 case X86::VMOVDQA64Z256rmk: Opc = X86::VPBLENDMQZ256rmk; break;
4644 case X86::VMOVDQA64Zrmk: Opc = X86::VPBLENDMQZrmk; break;
4645 case X86::VMOVAPDZ128rmk: Opc = X86::VBLENDMPDZ128rmk; break;
4646 case X86::VMOVAPDZ256rmk: Opc = X86::VBLENDMPDZ256rmk; break;
4647 case X86::VMOVAPDZrmk: Opc = X86::VBLENDMPDZrmk; break;
4648 case X86::VMOVAPSZ128rmk: Opc = X86::VBLENDMPSZ128rmk; break;
4649 case X86::VMOVAPSZ256rmk: Opc = X86::VBLENDMPSZ256rmk; break;
4650 case X86::VMOVAPSZrmk: Opc = X86::VBLENDMPSZrmk; break;
4651 }
4652
4653 NewMI = BuildMI(MF, MI.getDebugLoc(), get(Opc))
4654 .add(Dest)
4655 .add(MI.getOperand(2))
4656 .add(Src)
4657 .add(MI.getOperand(3))
4658 .add(MI.getOperand(4))
4659 .add(MI.getOperand(5))
4660 .add(MI.getOperand(6))
4661 .add(MI.getOperand(7));
4662 break;
4663 }
4664 case X86::VMOVDQU8Z128rrk:
4665 case X86::VMOVDQU8Z256rrk:
4666 case X86::VMOVDQU8Zrrk:
4667 case X86::VMOVDQU16Z128rrk:
4668 case X86::VMOVDQU16Z256rrk:
4669 case X86::VMOVDQU16Zrrk:
4670 case X86::VMOVDQU32Z128rrk: case X86::VMOVDQA32Z128rrk:
4671 case X86::VMOVDQU32Z256rrk: case X86::VMOVDQA32Z256rrk:
4672 case X86::VMOVDQU32Zrrk: case X86::VMOVDQA32Zrrk:
4673 case X86::VMOVDQU64Z128rrk: case X86::VMOVDQA64Z128rrk:
4674 case X86::VMOVDQU64Z256rrk: case X86::VMOVDQA64Z256rrk:
4675 case X86::VMOVDQU64Zrrk: case X86::VMOVDQA64Zrrk:
4676 case X86::VMOVUPDZ128rrk: case X86::VMOVAPDZ128rrk:
4677 case X86::VMOVUPDZ256rrk: case X86::VMOVAPDZ256rrk:
4678 case X86::VMOVUPDZrrk: case X86::VMOVAPDZrrk:
4679 case X86::VMOVUPSZ128rrk: case X86::VMOVAPSZ128rrk:
4680 case X86::VMOVUPSZ256rrk: case X86::VMOVAPSZ256rrk:
4681 case X86::VMOVUPSZrrk: case X86::VMOVAPSZrrk: {
4682 unsigned Opc;
4683 switch (MIOpc) {
4684 default: llvm_unreachable("Unreachable!")::llvm::llvm_unreachable_internal("Unreachable!", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 4684)
;
4685 case X86::VMOVDQU8Z128rrk: Opc = X86::VPBLENDMBZ128rrk; break;
4686 case X86::VMOVDQU8Z256rrk: Opc = X86::VPBLENDMBZ256rrk; break;
4687 case X86::VMOVDQU8Zrrk: Opc = X86::VPBLENDMBZrrk; break;
4688 case X86::VMOVDQU16Z128rrk: Opc = X86::VPBLENDMWZ128rrk; break;
4689 case X86::VMOVDQU16Z256rrk: Opc = X86::VPBLENDMWZ256rrk; break;
4690 case X86::VMOVDQU16Zrrk: Opc = X86::VPBLENDMWZrrk; break;
4691 case X86::VMOVDQU32Z128rrk: Opc = X86::VPBLENDMDZ128rrk; break;
4692 case X86::VMOVDQU32Z256rrk: Opc = X86::VPBLENDMDZ256rrk; break;
4693 case X86::VMOVDQU32Zrrk: Opc = X86::VPBLENDMDZrrk; break;
4694 case X86::VMOVDQU64Z128rrk: Opc = X86::VPBLENDMQZ128rrk; break;
4695 case X86::VMOVDQU64Z256rrk: Opc = X86::VPBLENDMQZ256rrk; break;
4696 case X86::VMOVDQU64Zrrk: Opc = X86::VPBLENDMQZrrk; break;
4697 case X86::VMOVUPDZ128rrk: Opc = X86::VBLENDMPDZ128rrk; break;
4698 case X86::VMOVUPDZ256rrk: Opc = X86::VBLENDMPDZ256rrk; break;
4699 case X86::VMOVUPDZrrk: Opc = X86::VBLENDMPDZrrk; break;
4700 case X86::VMOVUPSZ128rrk: Opc = X86::VBLENDMPSZ128rrk; break;
4701 case X86::VMOVUPSZ256rrk: Opc = X86::VBLENDMPSZ256rrk; break;
4702 case X86::VMOVUPSZrrk: Opc = X86::VBLENDMPSZrrk; break;
4703 case X86::VMOVDQA32Z128rrk: Opc = X86::VPBLENDMDZ128rrk; break;
4704 case X86::VMOVDQA32Z256rrk: Opc = X86::VPBLENDMDZ256rrk; break;
4705 case X86::VMOVDQA32Zrrk: Opc = X86::VPBLENDMDZrrk; break;
4706 case X86::VMOVDQA64Z128rrk: Opc = X86::VPBLENDMQZ128rrk; break;
4707 case X86::VMOVDQA64Z256rrk: Opc = X86::VPBLENDMQZ256rrk; break;
4708 case X86::VMOVDQA64Zrrk: Opc = X86::VPBLENDMQZrrk; break;
4709 case X86::VMOVAPDZ128rrk: Opc = X86::VBLENDMPDZ128rrk; break;
4710 case X86::VMOVAPDZ256rrk: Opc = X86::VBLENDMPDZ256rrk; break;
4711 case X86::VMOVAPDZrrk: Opc = X86::VBLENDMPDZrrk; break;
4712 case X86::VMOVAPSZ128rrk: Opc = X86::VBLENDMPSZ128rrk; break;
4713 case X86::VMOVAPSZ256rrk: Opc = X86::VBLENDMPSZ256rrk; break;
4714 case X86::VMOVAPSZrrk: Opc = X86::VBLENDMPSZrrk; break;
4715 }
4716
4717 NewMI = BuildMI(MF, MI.getDebugLoc(), get(Opc))
4718 .add(Dest)
4719 .add(MI.getOperand(2))
4720 .add(Src)
4721 .add(MI.getOperand(3));
4722 break;
4723 }
4724 }
4725
4726 if (!NewMI) return nullptr;
4727
4728 if (LV) { // Update live variables
4729 if (Src.isKill())
4730 LV->replaceKillInstruction(Src.getReg(), MI, *NewMI);
4731 if (Dest.isDead())
4732 LV->replaceKillInstruction(Dest.getReg(), MI, *NewMI);
4733 }
4734
4735 MFI->insert(MI.getIterator(), NewMI); // Insert the new inst
4736 return NewMI;
4737}
4738
4739/// This determines which of three possible cases of a three source commute
4740/// the source indexes correspond to taking into account any mask operands.
4741/// All prevents commuting a passthru operand. Returns -1 if the commute isn't
4742/// possible.
4743/// Case 0 - Possible to commute the first and second operands.
4744/// Case 1 - Possible to commute the first and third operands.
4745/// Case 2 - Possible to commute the second and third operands.
4746static int getThreeSrcCommuteCase(uint64_t TSFlags, unsigned SrcOpIdx1,
4747 unsigned SrcOpIdx2) {
4748 // Put the lowest index to SrcOpIdx1 to simplify the checks below.
4749 if (SrcOpIdx1 > SrcOpIdx2)
4750 std::swap(SrcOpIdx1, SrcOpIdx2);
4751
4752 unsigned Op1 = 1, Op2 = 2, Op3 = 3;
4753 if (X86II::isKMasked(TSFlags)) {
4754 // The k-mask operand cannot be commuted.
4755 if (SrcOpIdx1 == 2)
4756 return -1;
4757
4758 // For k-zero-masked operations it is Ok to commute the first vector
4759 // operand.
4760 // For regular k-masked operations a conservative choice is done as the
4761 // elements of the first vector operand, for which the corresponding bit
4762 // in the k-mask operand is set to 0, are copied to the result of the
4763 // instruction.
4764 // TODO/FIXME: The commute still may be legal if it is known that the
4765 // k-mask operand is set to either all ones or all zeroes.
4766 // It is also Ok to commute the 1st operand if all users of MI use only
4767 // the elements enabled by the k-mask operand. For example,
4768 // v4 = VFMADD213PSZrk v1, k, v2, v3; // v1[i] = k[i] ? v2[i]*v1[i]+v3[i]
4769 // : v1[i];
4770 // VMOVAPSZmrk <mem_addr>, k, v4; // this is the ONLY user of v4 ->
4771 // // Ok, to commute v1 in FMADD213PSZrk.
4772 if (X86II::isKMergeMasked(TSFlags) && SrcOpIdx1 == Op1)
4773 return -1;
4774 Op2++;
4775 Op3++;
4776 }
4777
4778 if (SrcOpIdx1 == Op1 && SrcOpIdx2 == Op2)
4779 return 0;
4780 if (SrcOpIdx1 == Op1 && SrcOpIdx2 == Op3)
4781 return 1;
4782 if (SrcOpIdx1 == Op2 && SrcOpIdx2 == Op3)
4783 return 2;
4784 return -1;
4785}
4786
4787unsigned X86InstrInfo::getFMA3OpcodeToCommuteOperands(
4788 const MachineInstr &MI, unsigned SrcOpIdx1, unsigned SrcOpIdx2,
4789 const X86InstrFMA3Group &FMA3Group) const {
4790
4791 unsigned Opc = MI.getOpcode();
4792
4793 // Put the lowest index to SrcOpIdx1 to simplify the checks below.
4794 if (SrcOpIdx1 > SrcOpIdx2)
4795 std::swap(SrcOpIdx1, SrcOpIdx2);
4796
4797 // TODO: Commuting the 1st operand of FMA*_Int requires some additional
4798 // analysis. The commute optimization is legal only if all users of FMA*_Int
4799 // use only the lowest element of the FMA*_Int instruction. Such analysis are
4800 // not implemented yet. So, just return 0 in that case.
4801 // When such analysis are available this place will be the right place for
4802 // calling it.
4803 if (FMA3Group.isIntrinsic() && SrcOpIdx1 == 1)
4804 return 0;
4805
4806 // Determine which case this commute is or if it can't be done.
4807 int Case = getThreeSrcCommuteCase(MI.getDesc().TSFlags, SrcOpIdx1, SrcOpIdx2);
4808 if (Case < 0)
4809 return 0;
4810
4811 // Define the FMA forms mapping array that helps to map input FMA form
4812 // to output FMA form to preserve the operation semantics after
4813 // commuting the operands.
4814 const unsigned Form132Index = 0;
4815 const unsigned Form213Index = 1;
4816 const unsigned Form231Index = 2;
4817 static const unsigned FormMapping[][3] = {
4818 // 0: SrcOpIdx1 == 1 && SrcOpIdx2 == 2;
4819 // FMA132 A, C, b; ==> FMA231 C, A, b;
4820 // FMA213 B, A, c; ==> FMA213 A, B, c;
4821 // FMA231 C, A, b; ==> FMA132 A, C, b;
4822 { Form231Index, Form213Index, Form132Index },
4823 // 1: SrcOpIdx1 == 1 && SrcOpIdx2 == 3;
4824 // FMA132 A, c, B; ==> FMA132 B, c, A;
4825 // FMA213 B, a, C; ==> FMA231 C, a, B;
4826 // FMA231 C, a, B; ==> FMA213 B, a, C;
4827 { Form132Index, Form231Index, Form213Index },
4828 // 2: SrcOpIdx1 == 2 && SrcOpIdx2 == 3;
4829 // FMA132 a, C, B; ==> FMA213 a, B, C;
4830 // FMA213 b, A, C; ==> FMA132 b, C, A;
4831 // FMA231 c, A, B; ==> FMA231 c, B, A;
4832 { Form213Index, Form132Index, Form231Index }
4833 };
4834
4835 unsigned FMAForms[3];
4836 if (FMA3Group.isRegOpcodeFromGroup(Opc)) {
4837 FMAForms[0] = FMA3Group.getReg132Opcode();
4838 FMAForms[1] = FMA3Group.getReg213Opcode();
4839 FMAForms[2] = FMA3Group.getReg231Opcode();
4840 } else {
4841 FMAForms[0] = FMA3Group.getMem132Opcode();
4842 FMAForms[1] = FMA3Group.getMem213Opcode();
4843 FMAForms[2] = FMA3Group.getMem231Opcode();
4844 }
4845 unsigned FormIndex;
4846 for (FormIndex = 0; FormIndex < 3; FormIndex++)
4847 if (Opc == FMAForms[FormIndex])
4848 break;
4849
4850 // Everything is ready, just adjust the FMA opcode and return it.
4851 FormIndex = FormMapping[Case][FormIndex];
4852 return FMAForms[FormIndex];
4853}
4854
4855static bool commuteVPTERNLOG(MachineInstr &MI, unsigned SrcOpIdx1,
4856 unsigned SrcOpIdx2) {
4857 uint64_t TSFlags = MI.getDesc().TSFlags;
4858
4859 // Determine which case this commute is or if it can't be done.
4860 int Case = getThreeSrcCommuteCase(TSFlags, SrcOpIdx1, SrcOpIdx2);
4861 if (Case < 0)
4862 return false;
4863
4864 // For each case we need to swap two pairs of bits in the final immediate.
4865 static const uint8_t SwapMasks[3][4] = {
4866 { 0x04, 0x10, 0x08, 0x20 }, // Swap bits 2/4 and 3/5.
4867 { 0x02, 0x10, 0x08, 0x40 }, // Swap bits 1/4 and 3/6.
4868 { 0x02, 0x04, 0x20, 0x40 }, // Swap bits 1/2 and 5/6.
4869 };
4870
4871 uint8_t Imm = MI.getOperand(MI.getNumOperands()-1).getImm();
4872 // Clear out the bits we are swapping.
4873 uint8_t NewImm = Imm & ~(SwapMasks[Case][0] | SwapMasks[Case][1] |
4874 SwapMasks[Case][2] | SwapMasks[Case][3]);
4875 // If the immediate had a bit of the pair set, then set the opposite bit.
4876 if (Imm & SwapMasks[Case][0]) NewImm |= SwapMasks[Case][1];
4877 if (Imm & SwapMasks[Case][1]) NewImm |= SwapMasks[Case][0];
4878 if (Imm & SwapMasks[Case][2]) NewImm |= SwapMasks[Case][3];
4879 if (Imm & SwapMasks[Case][3]) NewImm |= SwapMasks[Case][2];
4880 MI.getOperand(MI.getNumOperands()-1).setImm(NewImm);
4881
4882 return true;
4883}
4884
4885// Returns true if this is a VPERMI2 or VPERMT2 instrution that can be
4886// commuted.
4887static bool isCommutableVPERMV3Instruction(unsigned Opcode) {
4888#define VPERM_CASES(Suffix) \
4889 case X86::VPERMI2##Suffix##128rr: case X86::VPERMT2##Suffix##128rr: \
4890 case X86::VPERMI2##Suffix##256rr: case X86::VPERMT2##Suffix##256rr: \
4891 case X86::VPERMI2##Suffix##rr: case X86::VPERMT2##Suffix##rr: \
4892 case X86::VPERMI2##Suffix##128rm: case X86::VPERMT2##Suffix##128rm: \
4893 case X86::VPERMI2##Suffix##256rm: case X86::VPERMT2##Suffix##256rm: \
4894 case X86::VPERMI2##Suffix##rm: case X86::VPERMT2##Suffix##rm: \
4895 case X86::VPERMI2##Suffix##128rrkz: case X86::VPERMT2##Suffix##128rrkz: \
4896 case X86::VPERMI2##Suffix##256rrkz: case X86::VPERMT2##Suffix##256rrkz: \
4897 case X86::VPERMI2##Suffix##rrkz: case X86::VPERMT2##Suffix##rrkz: \
4898 case X86::VPERMI2##Suffix##128rmkz: case X86::VPERMT2##Suffix##128rmkz: \
4899 case X86::VPERMI2##Suffix##256rmkz: case X86::VPERMT2##Suffix##256rmkz: \
4900 case X86::VPERMI2##Suffix##rmkz: case X86::VPERMT2##Suffix##rmkz:
4901
4902#define VPERM_CASES_BROADCAST(Suffix) \
4903 VPERM_CASES(Suffix) \
4904 case X86::VPERMI2##Suffix##128rmb: case X86::VPERMT2##Suffix##128rmb: \
4905 case X86::VPERMI2##Suffix##256rmb: case X86::VPERMT2##Suffix##256rmb: \
4906 case X86::VPERMI2##Suffix##rmb: case X86::VPERMT2##Suffix##rmb: \
4907 case X86::VPERMI2##Suffix##128rmbkz: case X86::VPERMT2##Suffix##128rmbkz: \
4908 case X86::VPERMI2##Suffix##256rmbkz: case X86::VPERMT2##Suffix##256rmbkz: \
4909 case X86::VPERMI2##Suffix##rmbkz: case X86::VPERMT2##Suffix##rmbkz:
4910
4911 switch (Opcode) {
4912 default: return false;
4913 VPERM_CASES(B)
4914 VPERM_CASES_BROADCAST(D)
4915 VPERM_CASES_BROADCAST(PD)
4916 VPERM_CASES_BROADCAST(PS)
4917 VPERM_CASES_BROADCAST(Q)
4918 VPERM_CASES(W)
4919 return true;
4920 }
4921#undef VPERM_CASES_BROADCAST
4922#undef VPERM_CASES
4923}
4924
4925// Returns commuted opcode for VPERMI2 and VPERMT2 instructions by switching
4926// from the I opcod to the T opcode and vice versa.
4927static unsigned getCommutedVPERMV3Opcode(unsigned Opcode) {
4928#define VPERM_CASES(Orig, New) \
4929 case X86::Orig##128rr: return X86::New##128rr; \
4930 case X86::Orig##128rrkz: return X86::New##128rrkz; \
4931 case X86::Orig##128rm: return X86::New##128rm; \
4932 case X86::Orig##128rmkz: return X86::New##128rmkz; \
4933 case X86::Orig##256rr: return X86::New##256rr; \
4934 case X86::Orig##256rrkz: return X86::New##256rrkz; \
4935 case X86::Orig##256rm: return X86::New##256rm; \
4936 case X86::Orig##256rmkz: return X86::New##256rmkz; \
4937 case X86::Orig##rr: return X86::New##rr; \
4938 case X86::Orig##rrkz: return X86::New##rrkz; \
4939 case X86::Orig##rm: return X86::New##rm; \
4940 case X86::Orig##rmkz: return X86::New##rmkz;
4941
4942#define VPERM_CASES_BROADCAST(Orig, New) \
4943 VPERM_CASES(Orig, New) \
4944 case X86::Orig##128rmb: return X86::New##128rmb; \
4945 case X86::Orig##128rmbkz: return X86::New##128rmbkz; \
4946 case X86::Orig##256rmb: return X86::New##256rmb; \
4947 case X86::Orig##256rmbkz: return X86::New##256rmbkz; \
4948 case X86::Orig##rmb: return X86::New##rmb; \
4949 case X86::Orig##rmbkz: return X86::New##rmbkz;
4950
4951 switch (Opcode) {
4952 VPERM_CASES(VPERMI2B, VPERMT2B)
4953 VPERM_CASES_BROADCAST(VPERMI2D, VPERMT2D)
4954 VPERM_CASES_BROADCAST(VPERMI2PD, VPERMT2PD)
4955 VPERM_CASES_BROADCAST(VPERMI2PS, VPERMT2PS)
4956 VPERM_CASES_BROADCAST(VPERMI2Q, VPERMT2Q)
4957 VPERM_CASES(VPERMI2W, VPERMT2W)
4958 VPERM_CASES(VPERMT2B, VPERMI2B)
4959 VPERM_CASES_BROADCAST(VPERMT2D, VPERMI2D)
4960 VPERM_CASES_BROADCAST(VPERMT2PD, VPERMI2PD)
4961 VPERM_CASES_BROADCAST(VPERMT2PS, VPERMI2PS)
4962 VPERM_CASES_BROADCAST(VPERMT2Q, VPERMI2Q)
4963 VPERM_CASES(VPERMT2W, VPERMI2W)
4964 }
4965
4966 llvm_unreachable("Unreachable!")::llvm::llvm_unreachable_internal("Unreachable!", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 4966)
;
4967#undef VPERM_CASES_BROADCAST
4968#undef VPERM_CASES
4969}
4970
4971MachineInstr *X86InstrInfo::commuteInstructionImpl(MachineInstr &MI, bool NewMI,
4972 unsigned OpIdx1,
4973 unsigned OpIdx2) const {
4974 auto cloneIfNew = [NewMI](MachineInstr &MI) -> MachineInstr & {
4975 if (NewMI)
4976 return *MI.getParent()->getParent()->CloneMachineInstr(&MI);
4977 return MI;
4978 };
4979
4980 switch (MI.getOpcode()) {
4981 case X86::SHRD16rri8: // A = SHRD16rri8 B, C, I -> A = SHLD16rri8 C, B, (16-I)
4982 case X86::SHLD16rri8: // A = SHLD16rri8 B, C, I -> A = SHRD16rri8 C, B, (16-I)
4983 case X86::SHRD32rri8: // A = SHRD32rri8 B, C, I -> A = SHLD32rri8 C, B, (32-I)
4984 case X86::SHLD32rri8: // A = SHLD32rri8 B, C, I -> A = SHRD32rri8 C, B, (32-I)
4985 case X86::SHRD64rri8: // A = SHRD64rri8 B, C, I -> A = SHLD64rri8 C, B, (64-I)
4986 case X86::SHLD64rri8:{// A = SHLD64rri8 B, C, I -> A = SHRD64rri8 C, B, (64-I)
4987 unsigned Opc;
4988 unsigned Size;
4989 switch (MI.getOpcode()) {
4990 default: llvm_unreachable("Unreachable!")::llvm::llvm_unreachable_internal("Unreachable!", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 4990)
;
4991 case X86::SHRD16rri8: Size = 16; Opc = X86::SHLD16rri8; break;
4992 case X86::SHLD16rri8: Size = 16; Opc = X86::SHRD16rri8; break;
4993 case X86::SHRD32rri8: Size = 32; Opc = X86::SHLD32rri8; break;
4994 case X86::SHLD32rri8: Size = 32; Opc = X86::SHRD32rri8; break;
4995 case X86::SHRD64rri8: Size = 64; Opc = X86::SHLD64rri8; break;
4996 case X86::SHLD64rri8: Size = 64; Opc = X86::SHRD64rri8; break;
4997 }
4998 unsigned Amt = MI.getOperand(3).getImm();
4999 auto &WorkingMI = cloneIfNew(MI);
5000 WorkingMI.setDesc(get(Opc));
5001 WorkingMI.getOperand(3).setImm(Size - Amt);
5002 return TargetInstrInfo::commuteInstructionImpl(WorkingMI, /*NewMI=*/false,
5003 OpIdx1, OpIdx2);
5004 }
5005 case X86::PFSUBrr:
5006 case X86::PFSUBRrr: {
5007 // PFSUB x, y: x = x - y
5008 // PFSUBR x, y: x = y - x
5009 unsigned Opc =
5010 (X86::PFSUBRrr == MI.getOpcode() ? X86::PFSUBrr : X86::PFSUBRrr);
5011 auto &WorkingMI = cloneIfNew(MI);
5012 WorkingMI.setDesc(get(Opc));
5013 return TargetInstrInfo::commuteInstructionImpl(WorkingMI, /*NewMI=*/false,
5014 OpIdx1, OpIdx2);
5015 break;
5016 }
5017 case X86::BLENDPDrri:
5018 case X86::BLENDPSrri:
5019 case X86::PBLENDWrri:
5020 case X86::VBLENDPDrri:
5021 case X86::VBLENDPSrri:
5022 case X86::VBLENDPDYrri:
5023 case X86::VBLENDPSYrri:
5024 case X86::VPBLENDDrri:
5025 case X86::VPBLENDWrri:
5026 case X86::VPBLENDDYrri:
5027 case X86::VPBLENDWYrri:{
5028 unsigned Mask;
5029 switch (MI.getOpcode()) {
5030 default: llvm_unreachable("Unreachable!")::llvm::llvm_unreachable_internal("Unreachable!", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 5030)
;
5031 case X86::BLENDPDrri: Mask = 0x03; break;
5032 case X86::BLENDPSrri: Mask = 0x0F; break;
5033 case X86::PBLENDWrri: Mask = 0xFF; break;
5034 case X86::VBLENDPDrri: Mask = 0x03; break;
5035 case X86::VBLENDPSrri: Mask = 0x0F; break;
5036 case X86::VBLENDPDYrri: Mask = 0x0F; break;
5037 case X86::VBLENDPSYrri: Mask = 0xFF; break;
5038 case X86::VPBLENDDrri: Mask = 0x0F; break;
5039 case X86::VPBLENDWrri: Mask = 0xFF; break;
5040 case X86::VPBLENDDYrri: Mask = 0xFF; break;
5041 case X86::VPBLENDWYrri: Mask = 0xFF; break;
5042 }
5043 // Only the least significant bits of Imm are used.
5044 unsigned Imm = MI.getOperand(3).getImm() & Mask;
5045 auto &WorkingMI = cloneIfNew(MI);
5046 WorkingMI.getOperand(3).setImm(Mask ^ Imm);
5047 return TargetInstrInfo::commuteInstructionImpl(WorkingMI, /*NewMI=*/false,
5048 OpIdx1, OpIdx2);
5049 }
5050 case X86::MOVSDrr:
5051 case X86::MOVSSrr:
5052 case X86::VMOVSDrr:
5053 case X86::VMOVSSrr:{
5054 // On SSE41 or later we can commute a MOVSS/MOVSD to a BLENDPS/BLENDPD.
5055 if (!Subtarget.hasSSE41())
5056 return nullptr;
5057
5058 unsigned Mask, Opc;
5059 switch (MI.getOpcode()) {
5060 default: llvm_unreachable("Unreachable!")::llvm::llvm_unreachable_internal("Unreachable!", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 5060)
;
5061 case X86::MOVSDrr: Opc = X86::BLENDPDrri; Mask = 0x02; break;
5062 case X86::MOVSSrr: Opc = X86::BLENDPSrri; Mask = 0x0E; break;
5063 case X86::VMOVSDrr: Opc = X86::VBLENDPDrri; Mask = 0x02; break;
5064 case X86::VMOVSSrr: Opc = X86::VBLENDPSrri; Mask = 0x0E; break;
5065 }
5066
5067 // MOVSD/MOVSS's 2nd operand is a FR64/FR32 reg class - we need to copy
5068 // this over to a VR128 class like the 1st operand to use a BLENDPD/BLENDPS.
5069 auto &MRI = MI.getParent()->getParent()->getRegInfo();
5070 auto VR128RC = MRI.getRegClass(MI.getOperand(1).getReg());
5071 unsigned VR128 = MRI.createVirtualRegister(VR128RC);
5072 BuildMI(*MI.getParent(), MI, MI.getDebugLoc(), get(TargetOpcode::COPY),
5073 VR128)
5074 .addReg(MI.getOperand(2).getReg());
5075
5076 auto &WorkingMI = cloneIfNew(MI);
5077 WorkingMI.setDesc(get(Opc));
5078 WorkingMI.getOperand(2).setReg(VR128);
5079 WorkingMI.addOperand(MachineOperand::CreateImm(Mask));
5080 return TargetInstrInfo::commuteInstructionImpl(WorkingMI, /*NewMI=*/false,
5081 OpIdx1, OpIdx2);
5082 }
5083 case X86::PCLMULQDQrr:
5084 case X86::VPCLMULQDQrr:{
5085 // SRC1 64bits = Imm[0] ? SRC1[127:64] : SRC1[63:0]
5086 // SRC2 64bits = Imm[4] ? SRC2[127:64] : SRC2[63:0]
5087 unsigned Imm = MI.getOperand(3).getImm();
5088 unsigned Src1Hi = Imm & 0x01;
5089 unsigned Src2Hi = Imm & 0x10;
5090 auto &WorkingMI = cloneIfNew(MI);
5091 WorkingMI.getOperand(3).setImm((Src1Hi << 4) | (Src2Hi >> 4));
5092 return TargetInstrInfo::commuteInstructionImpl(WorkingMI, /*NewMI=*/false,
5093 OpIdx1, OpIdx2);
5094 }
5095 case X86::CMPSDrr:
5096 case X86::CMPSSrr:
5097 case X86::CMPPDrri:
5098 case X86::CMPPSrri:
5099 case X86::VCMPSDrr:
5100 case X86::VCMPSSrr:
5101 case X86::VCMPPDrri:
5102 case X86::VCMPPSrri:
5103 case X86::VCMPPDYrri:
5104 case X86::VCMPPSYrri:
5105 case X86::VCMPSDZrr:
5106 case X86::VCMPSSZrr:
5107 case X86::VCMPPDZrri:
5108 case X86::VCMPPSZrri:
5109 case X86::VCMPPDZ128rri:
5110 case X86::VCMPPSZ128rri:
5111 case X86::VCMPPDZ256rri:
5112 case X86::VCMPPSZ256rri: {
5113 // Float comparison can be safely commuted for
5114 // Ordered/Unordered/Equal/NotEqual tests
5115 unsigned Imm = MI.getOperand(3).getImm() & 0x7;
5116 switch (Imm) {
5117 case 0x00: // EQUAL
5118 case 0x03: // UNORDERED
5119 case 0x04: // NOT EQUAL
5120 case 0x07: // ORDERED
5121 return TargetInstrInfo::commuteInstructionImpl(MI, NewMI, OpIdx1, OpIdx2);
5122 default:
5123 return nullptr;
5124 }
5125 }
5126 case X86::VPCMPBZ128rri: case X86::VPCMPUBZ128rri:
5127 case X86::VPCMPBZ256rri: case X86::VPCMPUBZ256rri:
5128 case X86::VPCMPBZrri: case X86::VPCMPUBZrri:
5129 case X86::VPCMPDZ128rri: case X86::VPCMPUDZ128rri:
5130 case X86::VPCMPDZ256rri: case X86::VPCMPUDZ256rri:
5131 case X86::VPCMPDZrri: case X86::VPCMPUDZrri:
5132 case X86::VPCMPQZ128rri: case X86::VPCMPUQZ128rri:
5133 case X86::VPCMPQZ256rri: case X86::VPCMPUQZ256rri:
5134 case X86::VPCMPQZrri: case X86::VPCMPUQZrri:
5135 case X86::VPCMPWZ128rri: case X86::VPCMPUWZ128rri:
5136 case X86::VPCMPWZ256rri: case X86::VPCMPUWZ256rri:
5137 case X86::VPCMPWZrri: case X86::VPCMPUWZrri: {
5138 // Flip comparison mode immediate (if necessary).
5139 unsigned Imm = MI.getOperand(3).getImm() & 0x7;
5140 switch (Imm) {
5141 default: llvm_unreachable("Unreachable!")::llvm::llvm_unreachable_internal("Unreachable!", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 5141)
;
5142 case 0x01: Imm = 0x06; break; // LT -> NLE
5143 case 0x02: Imm = 0x05; break; // LE -> NLT
5144 case 0x05: Imm = 0x02; break; // NLT -> LE
5145 case 0x06: Imm = 0x01; break; // NLE -> LT
5146 case 0x00: // EQ
5147 case 0x03: // FALSE
5148 case 0x04: // NE
5149 case 0x07: // TRUE
5150 break;
5151 }
5152 auto &WorkingMI = cloneIfNew(MI);
5153 WorkingMI.getOperand(3).setImm(Imm);
5154 return TargetInstrInfo::commuteInstructionImpl(WorkingMI, /*NewMI=*/false,
5155 OpIdx1, OpIdx2);
5156 }
5157 case X86::VPCOMBri: case X86::VPCOMUBri:
5158 case X86::VPCOMDri: case X86::VPCOMUDri:
5159 case X86::VPCOMQri: case X86::VPCOMUQri:
5160 case X86::VPCOMWri: case X86::VPCOMUWri: {
5161 // Flip comparison mode immediate (if necessary).
5162 unsigned Imm = MI.getOperand(3).getImm() & 0x7;
5163 switch (Imm) {
5164 default: llvm_unreachable("Unreachable!")::llvm::llvm_unreachable_internal("Unreachable!", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 5164)
;
5165 case 0x00: Imm = 0x02; break; // LT -> GT
5166 case 0x01: Imm = 0x03; break; // LE -> GE
5167 case 0x02: Imm = 0x00; break; // GT -> LT
5168 case 0x03: Imm = 0x01; break; // GE -> LE
5169 case 0x04: // EQ
5170 case 0x05: // NE
5171 case 0x06: // FALSE
5172 case 0x07: // TRUE
5173 break;
5174 }
5175 auto &WorkingMI = cloneIfNew(MI);
5176 WorkingMI.getOperand(3).setImm(Imm);
5177 return TargetInstrInfo::commuteInstructionImpl(WorkingMI, /*NewMI=*/false,
5178 OpIdx1, OpIdx2);
5179 }
5180 case X86::VPERM2F128rr:
5181 case X86::VPERM2I128rr: {
5182 // Flip permute source immediate.
5183 // Imm & 0x02: lo = if set, select Op1.lo/hi else Op0.lo/hi.
5184 // Imm & 0x20: hi = if set, select Op1.lo/hi else Op0.lo/hi.
5185 unsigned Imm = MI.getOperand(3).getImm() & 0xFF;
5186 auto &WorkingMI = cloneIfNew(MI);
5187 WorkingMI.getOperand(3).setImm(Imm ^ 0x22);
5188 return TargetInstrInfo::commuteInstructionImpl(WorkingMI, /*NewMI=*/false,
5189 OpIdx1, OpIdx2);
5190 }
5191 case X86::MOVHLPSrr:
5192 case X86::UNPCKHPDrr: {
5193 if (!Subtarget.hasSSE2())
5194 return nullptr;
5195
5196 unsigned Opc = MI.getOpcode();
5197 switch (Opc) {
5198 default: llvm_unreachable("Unreachable!")::llvm::llvm_unreachable_internal("Unreachable!", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 5198)
;
5199 case X86::MOVHLPSrr: Opc = X86::UNPCKHPDrr; break;
5200 case X86::UNPCKHPDrr: Opc = X86::MOVHLPSrr; break;
5201 }
5202 auto &WorkingMI = cloneIfNew(MI);
5203 WorkingMI.setDesc(get(Opc));
5204 return TargetInstrInfo::commuteInstructionImpl(WorkingMI, /*NewMI=*/false,
5205 OpIdx1, OpIdx2);
5206 }
5207 case X86::CMOVB16rr: case X86::CMOVB32rr: case X86::CMOVB64rr:
5208 case X86::CMOVAE16rr: case X86::CMOVAE32rr: case X86::CMOVAE64rr:
5209 case X86::CMOVE16rr: case X86::CMOVE32rr: case X86::CMOVE64rr:
5210 case X86::CMOVNE16rr: case X86::CMOVNE32rr: case X86::CMOVNE64rr:
5211 case X86::CMOVBE16rr: case X86::CMOVBE32rr: case X86::CMOVBE64rr:
5212 case X86::CMOVA16rr: case X86::CMOVA32rr: case X86::CMOVA64rr:
5213 case X86::CMOVL16rr: case X86::CMOVL32rr: case X86::CMOVL64rr:
5214 case X86::CMOVGE16rr: case X86::CMOVGE32rr: case X86::CMOVGE64rr:
5215 case X86::CMOVLE16rr: case X86::CMOVLE32rr: case X86::CMOVLE64rr:
5216 case X86::CMOVG16rr: case X86::CMOVG32rr: case X86::CMOVG64rr:
5217 case X86::CMOVS16rr: case X86::CMOVS32rr: case X86::CMOVS64rr:
5218 case X86::CMOVNS16rr: case X86::CMOVNS32rr: case X86::CMOVNS64rr:
5219 case X86::CMOVP16rr: case X86::CMOVP32rr: case X86::CMOVP64rr:
5220 case X86::CMOVNP16rr: case X86::CMOVNP32rr: case X86::CMOVNP64rr:
5221 case X86::CMOVO16rr: case X86::CMOVO32rr: case X86::CMOVO64rr:
5222 case X86::CMOVNO16rr: case X86::CMOVNO32rr: case X86::CMOVNO64rr: {
5223 unsigned Opc;
5224 switch (MI.getOpcode()) {
5225 default: llvm_unreachable("Unreachable!")::llvm::llvm_unreachable_internal("Unreachable!", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 5225)
;
5226 case X86::CMOVB16rr: Opc = X86::CMOVAE16rr; break;
5227 case X86::CMOVB32rr: Opc = X86::CMOVAE32rr; break;
5228 case X86::CMOVB64rr: Opc = X86::CMOVAE64rr; break;
5229 case X86::CMOVAE16rr: Opc = X86::CMOVB16rr; break;
5230 case X86::CMOVAE32rr: Opc = X86::CMOVB32rr; break;
5231 case X86::CMOVAE64rr: Opc = X86::CMOVB64rr; break;
5232 case X86::CMOVE16rr: Opc = X86::CMOVNE16rr; break;
5233 case X86::CMOVE32rr: Opc = X86::CMOVNE32rr; break;
5234 case X86::CMOVE64rr: Opc = X86::CMOVNE64rr; break;
5235 case X86::CMOVNE16rr: Opc = X86::CMOVE16rr; break;
5236 case X86::CMOVNE32rr: Opc = X86::CMOVE32rr; break;
5237 case X86::CMOVNE64rr: Opc = X86::CMOVE64rr; break;
5238 case X86::CMOVBE16rr: Opc = X86::CMOVA16rr; break;
5239 case X86::CMOVBE32rr: Opc = X86::CMOVA32rr; break;
5240 case X86::CMOVBE64rr: Opc = X86::CMOVA64rr; break;
5241 case X86::CMOVA16rr: Opc = X86::CMOVBE16rr; break;
5242 case X86::CMOVA32rr: Opc = X86::CMOVBE32rr; break;
5243 case X86::CMOVA64rr: Opc = X86::CMOVBE64rr; break;
5244 case X86::CMOVL16rr: Opc = X86::CMOVGE16rr; break;
5245 case X86::CMOVL32rr: Opc = X86::CMOVGE32rr; break;
5246 case X86::CMOVL64rr: Opc = X86::CMOVGE64rr; break;
5247 case X86::CMOVGE16rr: Opc = X86::CMOVL16rr; break;
5248 case X86::CMOVGE32rr: Opc = X86::CMOVL32rr; break;
5249 case X86::CMOVGE64rr: Opc = X86::CMOVL64rr; break;
5250 case X86::CMOVLE16rr: Opc = X86::CMOVG16rr; break;
5251 case X86::CMOVLE32rr: Opc = X86::CMOVG32rr; break;
5252 case X86::CMOVLE64rr: Opc = X86::CMOVG64rr; break;
5253 case X86::CMOVG16rr: Opc = X86::CMOVLE16rr; break;
5254 case X86::CMOVG32rr: Opc = X86::CMOVLE32rr; break;
5255 case X86::CMOVG64rr: Opc = X86::CMOVLE64rr; break;
5256 case X86::CMOVS16rr: Opc = X86::CMOVNS16rr; break;
5257 case X86::CMOVS32rr: Opc = X86::CMOVNS32rr; break;
5258 case X86::CMOVS64rr: Opc = X86::CMOVNS64rr; break;
5259 case X86::CMOVNS16rr: Opc = X86::CMOVS16rr; break;
5260 case X86::CMOVNS32rr: Opc = X86::CMOVS32rr; break;
5261 case X86::CMOVNS64rr: Opc = X86::CMOVS64rr; break;
5262 case X86::CMOVP16rr: Opc = X86::CMOVNP16rr; break;
5263 case X86::CMOVP32rr: Opc = X86::CMOVNP32rr; break;
5264 case X86::CMOVP64rr: Opc = X86::CMOVNP64rr; break;
5265 case X86::CMOVNP16rr: Opc = X86::CMOVP16rr; break;
5266 case X86::CMOVNP32rr: Opc = X86::CMOVP32rr; break;
5267 case X86::CMOVNP64rr: Opc = X86::CMOVP64rr; break;
5268 case X86::CMOVO16rr: Opc = X86::CMOVNO16rr; break;
5269 case X86::CMOVO32rr: Opc = X86::CMOVNO32rr; break;
5270 case X86::CMOVO64rr: Opc = X86::CMOVNO64rr; break;
5271 case X86::CMOVNO16rr: Opc = X86::CMOVO16rr; break;
5272 case X86::CMOVNO32rr: Opc = X86::CMOVO32rr; break;
5273 case X86::CMOVNO64rr: Opc = X86::CMOVO64rr; break;
5274 }
5275 auto &WorkingMI = cloneIfNew(MI);
5276 WorkingMI.setDesc(get(Opc));
5277 return TargetInstrInfo::commuteInstructionImpl(WorkingMI, /*NewMI=*/false,
5278 OpIdx1, OpIdx2);
5279 }
5280 case X86::VPTERNLOGDZrri: case X86::VPTERNLOGDZrmi:
5281 case X86::VPTERNLOGDZ128rri: case X86::VPTERNLOGDZ128rmi:
5282 case X86::VPTERNLOGDZ256rri: case X86::VPTERNLOGDZ256rmi:
5283 case X86::VPTERNLOGQZrri: case X86::VPTERNLOGQZrmi:
5284 case X86::VPTERNLOGQZ128rri: case X86::VPTERNLOGQZ128rmi:
5285 case X86::VPTERNLOGQZ256rri: case X86::VPTERNLOGQZ256rmi:
5286 case X86::VPTERNLOGDZrrik:
5287 case X86::VPTERNLOGDZ128rrik:
5288 case X86::VPTERNLOGDZ256rrik:
5289 case X86::VPTERNLOGQZrrik:
5290 case X86::VPTERNLOGQZ128rrik:
5291 case X86::VPTERNLOGQZ256rrik:
5292 case X86::VPTERNLOGDZrrikz: case X86::VPTERNLOGDZrmikz:
5293 case X86::VPTERNLOGDZ128rrikz: case X86::VPTERNLOGDZ128rmikz:
5294 case X86::VPTERNLOGDZ256rrikz: case X86::VPTERNLOGDZ256rmikz:
5295 case X86::VPTERNLOGQZrrikz: case X86::VPTERNLOGQZrmikz:
5296 case X86::VPTERNLOGQZ128rrikz: case X86::VPTERNLOGQZ128rmikz:
5297 case X86::VPTERNLOGQZ256rrikz: case X86::VPTERNLOGQZ256rmikz:
5298 case X86::VPTERNLOGDZ128rmbi:
5299 case X86::VPTERNLOGDZ256rmbi:
5300 case X86::VPTERNLOGDZrmbi:
5301 case X86::VPTERNLOGQZ128rmbi:
5302 case X86::VPTERNLOGQZ256rmbi:
5303 case X86::VPTERNLOGQZrmbi:
5304 case X86::VPTERNLOGDZ128rmbikz:
5305 case X86::VPTERNLOGDZ256rmbikz:
5306 case X86::VPTERNLOGDZrmbikz:
5307 case X86::VPTERNLOGQZ128rmbikz:
5308 case X86::VPTERNLOGQZ256rmbikz:
5309 case X86::VPTERNLOGQZrmbikz: {
5310 auto &WorkingMI = cloneIfNew(MI);
5311 if (!commuteVPTERNLOG(WorkingMI, OpIdx1, OpIdx2))
5312 return nullptr;
5313 return TargetInstrInfo::commuteInstructionImpl(WorkingMI, /*NewMI=*/false,
5314 OpIdx1, OpIdx2);
5315 }
5316 default: {
5317 if (isCommutableVPERMV3Instruction(MI.getOpcode())) {
5318 unsigned Opc = getCommutedVPERMV3Opcode(MI.getOpcode());
5319 auto &WorkingMI = cloneIfNew(MI);
5320 WorkingMI.setDesc(get(Opc));
5321 return TargetInstrInfo::commuteInstructionImpl(WorkingMI, /*NewMI=*/false,
5322 OpIdx1, OpIdx2);
5323 }
5324
5325 const X86InstrFMA3Group *FMA3Group =
5326 X86InstrFMA3Info::getFMA3Group(MI.getOpcode());
5327 if (FMA3Group) {
5328 unsigned Opc =
5329 getFMA3OpcodeToCommuteOperands(MI, OpIdx1, OpIdx2, *FMA3Group);
5330 if (Opc == 0)
5331 return nullptr;
5332 auto &WorkingMI = cloneIfNew(MI);
5333 WorkingMI.setDesc(get(Opc));
5334 return TargetInstrInfo::commuteInstructionImpl(WorkingMI, /*NewMI=*/false,
5335 OpIdx1, OpIdx2);
5336 }
5337
5338 return TargetInstrInfo::commuteInstructionImpl(MI, NewMI, OpIdx1, OpIdx2);
5339 }
5340 }
5341}
5342
5343bool X86InstrInfo::findFMA3CommutedOpIndices(
5344 const MachineInstr &MI, unsigned &SrcOpIdx1, unsigned &SrcOpIdx2,
5345 const X86InstrFMA3Group &FMA3Group) const {
5346
5347 if (!findThreeSrcCommutedOpIndices(MI, SrcOpIdx1, SrcOpIdx2))
5348 return false;
5349
5350 // Check if we can adjust the opcode to preserve the semantics when
5351 // commute the register operands.
5352 return getFMA3OpcodeToCommuteOperands(MI, SrcOpIdx1, SrcOpIdx2, FMA3Group) != 0;
5353}
5354
5355bool X86InstrInfo::findThreeSrcCommutedOpIndices(const MachineInstr &MI,
5356 unsigned &SrcOpIdx1,
5357 unsigned &SrcOpIdx2) const {
5358 uint64_t TSFlags = MI.getDesc().TSFlags;
5359
5360 unsigned FirstCommutableVecOp = 1;
5361 unsigned LastCommutableVecOp = 3;
5362 unsigned KMaskOp = 0;
5363 if (X86II::isKMasked(TSFlags)) {
5364 // The k-mask operand has index = 2 for masked and zero-masked operations.
5365 KMaskOp = 2;
5366
5367 // The operand with index = 1 is used as a source for those elements for
5368 // which the corresponding bit in the k-mask is set to 0.
5369 if (X86II::isKMergeMasked(TSFlags))
5370 FirstCommutableVecOp = 3;
5371
5372 LastCommutableVecOp++;
5373 }
5374
5375 if (isMem(MI, LastCommutableVecOp))
5376 LastCommutableVecOp--;
5377
5378 // Only the first RegOpsNum operands are commutable.
5379 // Also, the value 'CommuteAnyOperandIndex' is valid here as it means
5380 // that the operand is not specified/fixed.
5381 if (SrcOpIdx1 != CommuteAnyOperandIndex &&
5382 (SrcOpIdx1 < FirstCommutableVecOp || SrcOpIdx1 > LastCommutableVecOp ||
5383 SrcOpIdx1 == KMaskOp))
5384 return false;
5385 if (SrcOpIdx2 != CommuteAnyOperandIndex &&
5386 (SrcOpIdx2 < FirstCommutableVecOp || SrcOpIdx2 > LastCommutableVecOp ||
5387 SrcOpIdx2 == KMaskOp))
5388 return false;
5389
5390 // Look for two different register operands assumed to be commutable
5391 // regardless of the FMA opcode. The FMA opcode is adjusted later.
5392 if (SrcOpIdx1 == CommuteAnyOperandIndex ||
5393 SrcOpIdx2 == CommuteAnyOperandIndex) {
5394 unsigned CommutableOpIdx1 = SrcOpIdx1;
Value stored to 'CommutableOpIdx1' during its initialization is never read
5395 unsigned CommutableOpIdx2 = SrcOpIdx2;
5396
5397 // At least one of operands to be commuted is not specified and
5398 // this method is free to choose appropriate commutable operands.
5399 if (SrcOpIdx1 == SrcOpIdx2)
5400 // Both of operands are not fixed. By default set one of commutable
5401 // operands to the last register operand of the instruction.
5402 CommutableOpIdx2 = LastCommutableVecOp;
5403 else if (SrcOpIdx2 == CommuteAnyOperandIndex)
5404 // Only one of operands is not fixed.
5405 CommutableOpIdx2 = SrcOpIdx1;
5406
5407 // CommutableOpIdx2 is well defined now. Let's choose another commutable
5408 // operand and assign its index to CommutableOpIdx1.
5409 unsigned Op2Reg = MI.getOperand(CommutableOpIdx2).getReg();
5410 for (CommutableOpIdx1 = LastCommutableVecOp;
5411 CommutableOpIdx1 >= FirstCommutableVecOp; CommutableOpIdx1--) {
5412 // Just ignore and skip the k-mask operand.
5413 if (CommutableOpIdx1 == KMaskOp)
5414 continue;
5415
5416 // The commuted operands must have different registers.
5417 // Otherwise, the commute transformation does not change anything and
5418 // is useless then.
5419 if (Op2Reg != MI.getOperand(CommutableOpIdx1).getReg())
5420 break;
5421 }
5422
5423 // No appropriate commutable operands were found.
5424 if (CommutableOpIdx1 < FirstCommutableVecOp)
5425 return false;
5426
5427 // Assign the found pair of commutable indices to SrcOpIdx1 and SrcOpidx2
5428 // to return those values.
5429 if (!fixCommutedOpIndices(SrcOpIdx1, SrcOpIdx2,
5430 CommutableOpIdx1, CommutableOpIdx2))
5431 return false;
5432 }
5433
5434 return true;
5435}
5436
5437bool X86InstrInfo::findCommutedOpIndices(MachineInstr &MI, unsigned &SrcOpIdx1,
5438 unsigned &SrcOpIdx2) const {
5439 const MCInstrDesc &Desc = MI.getDesc();
5440 if (!Desc.isCommutable())
5441 return false;
5442
5443 switch (MI.getOpcode()) {
5444 case X86::CMPSDrr:
5445 case X86::CMPSSrr:
5446 case X86::CMPPDrri:
5447 case X86::CMPPSrri:
5448 case X86::VCMPSDrr:
5449 case X86::VCMPSSrr:
5450 case X86::VCMPPDrri:
5451 case X86::VCMPPSrri:
5452 case X86::VCMPPDYrri:
5453 case X86::VCMPPSYrri:
5454 case X86::VCMPSDZrr:
5455 case X86::VCMPSSZrr:
5456 case X86::VCMPPDZrri:
5457 case X86::VCMPPSZrri:
5458 case X86::VCMPPDZ128rri:
5459 case X86::VCMPPSZ128rri:
5460 case X86::VCMPPDZ256rri:
5461 case X86::VCMPPSZ256rri: {
5462 // Float comparison can be safely commuted for
5463 // Ordered/Unordered/Equal/NotEqual tests
5464 unsigned Imm = MI.getOperand(3).getImm() & 0x7;
5465 switch (Imm) {
5466 case 0x00: // EQUAL
5467 case 0x03: // UNORDERED
5468 case 0x04: // NOT EQUAL
5469 case 0x07: // ORDERED
5470 // The indices of the commutable operands are 1 and 2.
5471 // Assign them to the returned operand indices here.
5472 return fixCommutedOpIndices(SrcOpIdx1, SrcOpIdx2, 1, 2);
5473 }
5474 return false;
5475 }
5476 case X86::MOVSDrr:
5477 case X86::MOVSSrr:
5478 case X86::VMOVSDrr:
5479 case X86::VMOVSSrr: {
5480 if (Subtarget.hasSSE41())
5481 return TargetInstrInfo::findCommutedOpIndices(MI, SrcOpIdx1, SrcOpIdx2);
5482 return false;
5483 }
5484 case X86::VPTERNLOGDZrri: case X86::VPTERNLOGDZrmi:
5485 case X86::VPTERNLOGDZ128rri: case X86::VPTERNLOGDZ128rmi:
5486 case X86::VPTERNLOGDZ256rri: case X86::VPTERNLOGDZ256rmi:
5487 case X86::VPTERNLOGQZrri: case X86::VPTERNLOGQZrmi:
5488 case X86::VPTERNLOGQZ128rri: case X86::VPTERNLOGQZ128rmi:
5489 case X86::VPTERNLOGQZ256rri: case X86::VPTERNLOGQZ256rmi:
5490 case X86::VPTERNLOGDZrrik:
5491 case X86::VPTERNLOGDZ128rrik:
5492 case X86::VPTERNLOGDZ256rrik:
5493 case X86::VPTERNLOGQZrrik:
5494 case X86::VPTERNLOGQZ128rrik:
5495 case X86::VPTERNLOGQZ256rrik:
5496 case X86::VPTERNLOGDZrrikz: case X86::VPTERNLOGDZrmikz:
5497 case X86::VPTERNLOGDZ128rrikz: case X86::VPTERNLOGDZ128rmikz:
5498 case X86::VPTERNLOGDZ256rrikz: case X86::VPTERNLOGDZ256rmikz:
5499 case X86::VPTERNLOGQZrrikz: case X86::VPTERNLOGQZrmikz:
5500 case X86::VPTERNLOGQZ128rrikz: case X86::VPTERNLOGQZ128rmikz:
5501 case X86::VPTERNLOGQZ256rrikz: case X86::VPTERNLOGQZ256rmikz:
5502 case X86::VPTERNLOGDZ128rmbi:
5503 case X86::VPTERNLOGDZ256rmbi:
5504 case X86::VPTERNLOGDZrmbi:
5505 case X86::VPTERNLOGQZ128rmbi:
5506 case X86::VPTERNLOGQZ256rmbi:
5507 case X86::VPTERNLOGQZrmbi:
5508 case X86::VPTERNLOGDZ128rmbikz:
5509 case X86::VPTERNLOGDZ256rmbikz:
5510 case X86::VPTERNLOGDZrmbikz:
5511 case X86::VPTERNLOGQZ128rmbikz:
5512 case X86::VPTERNLOGQZ256rmbikz:
5513 case X86::VPTERNLOGQZrmbikz:
5514 return findThreeSrcCommutedOpIndices(MI, SrcOpIdx1, SrcOpIdx2);
5515 default:
5516 const X86InstrFMA3Group *FMA3Group =
5517 X86InstrFMA3Info::getFMA3Group(MI.getOpcode());
5518 if (FMA3Group)
5519 return findFMA3CommutedOpIndices(MI, SrcOpIdx1, SrcOpIdx2, *FMA3Group);
5520
5521 // Handled masked instructions since we need to skip over the mask input
5522 // and the preserved input.
5523 if (Desc.TSFlags & X86II::EVEX_K) {
5524 // First assume that the first input is the mask operand and skip past it.
5525 unsigned CommutableOpIdx1 = Desc.getNumDefs() + 1;
5526 unsigned CommutableOpIdx2 = Desc.getNumDefs() + 2;
5527 // Check if the first input is tied. If there isn't one then we only
5528 // need to skip the mask operand which we did above.
5529 if ((MI.getDesc().getOperandConstraint(Desc.getNumDefs(),
5530 MCOI::TIED_TO) != -1)) {
5531 // If this is zero masking instruction with a tied operand, we need to
5532 // move the first index back to the first input since this must
5533 // be a 3 input instruction and we want the first two non-mask inputs.
5534 // Otherwise this is a 2 input instruction with a preserved input and
5535 // mask, so we need to move the indices to skip one more input.
5536 if (Desc.TSFlags & X86II::EVEX_Z)
5537 --CommutableOpIdx1;
5538 else {
5539 ++CommutableOpIdx1;
5540 ++CommutableOpIdx2;
5541 }
5542 }
5543
5544 if (!fixCommutedOpIndices(SrcOpIdx1, SrcOpIdx2,
5545 CommutableOpIdx1, CommutableOpIdx2))
5546 return false;
5547
5548 if (!MI.getOperand(SrcOpIdx1).isReg() ||
5549 !MI.getOperand(SrcOpIdx2).isReg())
5550 // No idea.
5551 return false;
5552 return true;
5553 }
5554
5555 return TargetInstrInfo::findCommutedOpIndices(MI, SrcOpIdx1, SrcOpIdx2);
5556 }
5557 return false;
5558}
5559
5560static X86::CondCode getCondFromBranchOpc(unsigned BrOpc) {
5561 switch (BrOpc) {
5562 default: return X86::COND_INVALID;
5563 case X86::JE_1: return X86::COND_E;
5564 case X86::JNE_1: return X86::COND_NE;
5565 case X86::JL_1: return X86::COND_L;
5566 case X86::JLE_1: return X86::COND_LE;
5567 case X86::JG_1: return X86::COND_G;
5568 case X86::JGE_1: return X86::COND_GE;
5569 case X86::JB_1: return X86::COND_B;
5570 case X86::JBE_1: return X86::COND_BE;
5571 case X86::JA_1: return X86::COND_A;
5572 case X86::JAE_1: return X86::COND_AE;
5573 case X86::JS_1: return X86::COND_S;
5574 case X86::JNS_1: return X86::COND_NS;
5575 case X86::JP_1: return X86::COND_P;
5576 case X86::JNP_1: return X86::COND_NP;
5577 case X86::JO_1: return X86::COND_O;
5578 case X86::JNO_1: return X86::COND_NO;
5579 }
5580}
5581
5582/// Return condition code of a SET opcode.
5583static X86::CondCode getCondFromSETOpc(unsigned Opc) {
5584 switch (Opc) {
5585 default: return X86::COND_INVALID;
5586 case X86::SETAr: case X86::SETAm: return X86::COND_A;
5587 case X86::SETAEr: case X86::SETAEm: return X86::COND_AE;
5588 case X86::SETBr: case X86::SETBm: return X86::COND_B;
5589 case X86::SETBEr: case X86::SETBEm: return X86::COND_BE;
5590 case X86::SETEr: case X86::SETEm: return X86::COND_E;
5591 case X86::SETGr: case X86::SETGm: return X86::COND_G;
5592 case X86::SETGEr: case X86::SETGEm: return X86::COND_GE;
5593 case X86::SETLr: case X86::SETLm: return X86::COND_L;
5594 case X86::SETLEr: case X86::SETLEm: return X86::COND_LE;
5595 case X86::SETNEr: case X86::SETNEm: return X86::COND_NE;
5596 case X86::SETNOr: case X86::SETNOm: return X86::COND_NO;
5597 case X86::SETNPr: case X86::SETNPm: return X86::COND_NP;
5598 case X86::SETNSr: case X86::SETNSm: return X86::COND_NS;
5599 case X86::SETOr: case X86::SETOm: return X86::COND_O;
5600 case X86::SETPr: case X86::SETPm: return X86::COND_P;
5601 case X86::SETSr: case X86::SETSm: return X86::COND_S;
5602 }
5603}
5604
5605/// Return condition code of a CMov opcode.
5606X86::CondCode X86::getCondFromCMovOpc(unsigned Opc) {
5607 switch (Opc) {
5608 default: return X86::COND_INVALID;
5609 case X86::CMOVA16rm: case X86::CMOVA16rr: case X86::CMOVA32rm:
5610 case X86::CMOVA32rr: case X86::CMOVA64rm: case X86::CMOVA64rr:
5611 return X86::COND_A;
5612 case X86::CMOVAE16rm: case X86::CMOVAE16rr: case X86::CMOVAE32rm:
5613 case X86::CMOVAE32rr: case X86::CMOVAE64rm: case X86::CMOVAE64rr:
5614 return X86::COND_AE;
5615 case X86::CMOVB16rm: case X86::CMOVB16rr: case X86::CMOVB32rm:
5616 case X86::CMOVB32rr: case X86::CMOVB64rm: case X86::CMOVB64rr:
5617 return X86::COND_B;
5618 case X86::CMOVBE16rm: case X86::CMOVBE16rr: case X86::CMOVBE32rm:
5619 case X86::CMOVBE32rr: case X86::CMOVBE64rm: case X86::CMOVBE64rr:
5620 return X86::COND_BE;
5621 case X86::CMOVE16rm: case X86::CMOVE16rr: case X86::CMOVE32rm:
5622 case X86::CMOVE32rr: case X86::CMOVE64rm: case X86::CMOVE64rr:
5623 return X86::COND_E;
5624 case X86::CMOVG16rm: case X86::CMOVG16rr: case X86::CMOVG32rm:
5625 case X86::CMOVG32rr: case X86::CMOVG64rm: case X86::CMOVG64rr:
5626 return X86::COND_G;
5627 case X86::CMOVGE16rm: case X86::CMOVGE16rr: case X86::CMOVGE32rm:
5628 case X86::CMOVGE32rr: case X86::CMOVGE64rm: case X86::CMOVGE64rr:
5629 return X86::COND_GE;
5630 case X86::CMOVL16rm: case X86::CMOVL16rr: case X86::CMOVL32rm:
5631 case X86::CMOVL32rr: case X86::CMOVL64rm: case X86::CMOVL64rr:
5632 return X86::COND_L;
5633 case X86::CMOVLE16rm: case X86::CMOVLE16rr: case X86::CMOVLE32rm:
5634 case X86::CMOVLE32rr: case X86::CMOVLE64rm: case X86::CMOVLE64rr:
5635 return X86::COND_LE;
5636 case X86::CMOVNE16rm: case X86::CMOVNE16rr: case X86::CMOVNE32rm:
5637 case X86::CMOVNE32rr: case X86::CMOVNE64rm: case X86::CMOVNE64rr:
5638 return X86::COND_NE;
5639 case X86::CMOVNO16rm: case X86::CMOVNO16rr: case X86::CMOVNO32rm:
5640 case X86::CMOVNO32rr: case X86::CMOVNO64rm: case X86::CMOVNO64rr:
5641 return X86::COND_NO;
5642 case X86::CMOVNP16rm: case X86::CMOVNP16rr: case X86::CMOVNP32rm:
5643 case X86::CMOVNP32rr: case X86::CMOVNP64rm: case X86::CMOVNP64rr:
5644 return X86::COND_NP;
5645 case X86::CMOVNS16rm: case X86::CMOVNS16rr: case X86::CMOVNS32rm:
5646 case X86::CMOVNS32rr: case X86::CMOVNS64rm: case X86::CMOVNS64rr:
5647 return X86::COND_NS;
5648 case X86::CMOVO16rm: case X86::CMOVO16rr: case X86::CMOVO32rm:
5649 case X86::CMOVO32rr: case X86::CMOVO64rm: case X86::CMOVO64rr:
5650 return X86::COND_O;
5651 case X86::CMOVP16rm: case X86::CMOVP16rr: case X86::CMOVP32rm:
5652 case X86::CMOVP32rr: case X86::CMOVP64rm: case X86::CMOVP64rr:
5653 return X86::COND_P;
5654 case X86::CMOVS16rm: case X86::CMOVS16rr: case X86::CMOVS32rm:
5655 case X86::CMOVS32rr: case X86::CMOVS64rm: case X86::CMOVS64rr:
5656 return X86::COND_S;
5657 }
5658}
5659
5660unsigned X86::GetCondBranchFromCond(X86::CondCode CC) {
5661 switch (CC) {
5662 default: llvm_unreachable("Illegal condition code!")::llvm::llvm_unreachable_internal("Illegal condition code!", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 5662)
;
5663 case X86::COND_E: return X86::JE_1;
5664 case X86::COND_NE: return X86::JNE_1;
5665 case X86::COND_L: return X86::JL_1;
5666 case X86::COND_LE: return X86::JLE_1;
5667 case X86::COND_G: return X86::JG_1;
5668 case X86::COND_GE: return X86::JGE_1;
5669 case X86::COND_B: return X86::JB_1;
5670 case X86::COND_BE: return X86::JBE_1;
5671 case X86::COND_A: return X86::JA_1;
5672 case X86::COND_AE: return X86::JAE_1;
5673 case X86::COND_S: return X86::JS_1;
5674 case X86::COND_NS: return X86::JNS_1;
5675 case X86::COND_P: return X86::JP_1;
5676 case X86::COND_NP: return X86::JNP_1;
5677 case X86::COND_O: return X86::JO_1;
5678 case X86::COND_NO: return X86::JNO_1;
5679 }
5680}
5681
5682/// Return the inverse of the specified condition,
5683/// e.g. turning COND_E to COND_NE.
5684X86::CondCode X86::GetOppositeBranchCondition(X86::CondCode CC) {
5685 switch (CC) {
5686 default: llvm_unreachable("Illegal condition code!")::llvm::llvm_unreachable_internal("Illegal condition code!", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 5686)
;
5687 case X86::COND_E: return X86::COND_NE;
5688 case X86::COND_NE: return X86::COND_E;
5689 case X86::COND_L: return X86::COND_GE;
5690 case X86::COND_LE: return X86::COND_G;
5691 case X86::COND_G: return X86::COND_LE;
5692 case X86::COND_GE: return X86::COND_L;
5693 case X86::COND_B: return X86::COND_AE;
5694 case X86::COND_BE: return X86::COND_A;
5695 case X86::COND_A: return X86::COND_BE;
5696 case X86::COND_AE: return X86::COND_B;
5697 case X86::COND_S: return X86::COND_NS;
5698 case X86::COND_NS: return X86::COND_S;
5699 case X86::COND_P: return X86::COND_NP;
5700 case X86::COND_NP: return X86::COND_P;
5701 case X86::COND_O: return X86::COND_NO;
5702 case X86::COND_NO: return X86::COND_O;
5703 case X86::COND_NE_OR_P: return X86::COND_E_AND_NP;
5704 case X86::COND_E_AND_NP: return X86::COND_NE_OR_P;
5705 }
5706}
5707
5708/// Assuming the flags are set by MI(a,b), return the condition code if we
5709/// modify the instructions such that flags are set by MI(b,a).
5710static X86::CondCode getSwappedCondition(X86::CondCode CC) {
5711 switch (CC) {
5712 default: return X86::COND_INVALID;
5713 case X86::COND_E: return X86::COND_E;
5714 case X86::COND_NE: return X86::COND_NE;
5715 case X86::COND_L: return X86::COND_G;
5716 case X86::COND_LE: return X86::COND_GE;
5717 case X86::COND_G: return X86::COND_L;
5718 case X86::COND_GE: return X86::COND_LE;
5719 case X86::COND_B: return X86::COND_A;
5720 case X86::COND_BE: return X86::COND_AE;
5721 case X86::COND_A: return X86::COND_B;
5722 case X86::COND_AE: return X86::COND_BE;
5723 }
5724}
5725
5726/// Return a set opcode for the given condition and
5727/// whether it has memory operand.
5728unsigned X86::getSETFromCond(CondCode CC, bool HasMemoryOperand) {
5729 static const uint16_t Opc[16][2] = {
5730 { X86::SETAr, X86::SETAm },
5731 { X86::SETAEr, X86::SETAEm },
5732 { X86::SETBr, X86::SETBm },
5733 { X86::SETBEr, X86::SETBEm },
5734 { X86::SETEr, X86::SETEm },
5735 { X86::SETGr, X86::SETGm },
5736 { X86::SETGEr, X86::SETGEm },
5737 { X86::SETLr, X86::SETLm },
5738 { X86::SETLEr, X86::SETLEm },
5739 { X86::SETNEr, X86::SETNEm },
5740 { X86::SETNOr, X86::SETNOm },
5741 { X86::SETNPr, X86::SETNPm },
5742 { X86::SETNSr, X86::SETNSm },
5743 { X86::SETOr, X86::SETOm },
5744 { X86::SETPr, X86::SETPm },
5745 { X86::SETSr, X86::SETSm }
5746 };
5747
5748 assert(CC <= LAST_VALID_COND && "Can only handle standard cond codes")((CC <= LAST_VALID_COND && "Can only handle standard cond codes"
) ? static_cast<void> (0) : __assert_fail ("CC <= LAST_VALID_COND && \"Can only handle standard cond codes\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 5748, __PRETTY_FUNCTION__))
;
5749 return Opc[CC][HasMemoryOperand ? 1 : 0];
5750}
5751
5752/// Return a cmov opcode for the given condition,
5753/// register size in bytes, and operand type.
5754unsigned X86::getCMovFromCond(CondCode CC, unsigned RegBytes,
5755 bool HasMemoryOperand) {
5756 static const uint16_t Opc[32][3] = {
5757 { X86::CMOVA16rr, X86::CMOVA32rr, X86::CMOVA64rr },
5758 { X86::CMOVAE16rr, X86::CMOVAE32rr, X86::CMOVAE64rr },
5759 { X86::CMOVB16rr, X86::CMOVB32rr, X86::CMOVB64rr },
5760 { X86::CMOVBE16rr, X86::CMOVBE32rr, X86::CMOVBE64rr },
5761 { X86::CMOVE16rr, X86::CMOVE32rr, X86::CMOVE64rr },
5762 { X86::CMOVG16rr, X86::CMOVG32rr, X86::CMOVG64rr },
5763 { X86::CMOVGE16rr, X86::CMOVGE32rr, X86::CMOVGE64rr },
5764 { X86::CMOVL16rr, X86::CMOVL32rr, X86::CMOVL64rr },
5765 { X86::CMOVLE16rr, X86::CMOVLE32rr, X86::CMOVLE64rr },
5766 { X86::CMOVNE16rr, X86::CMOVNE32rr, X86::CMOVNE64rr },
5767 { X86::CMOVNO16rr, X86::CMOVNO32rr, X86::CMOVNO64rr },
5768 { X86::CMOVNP16rr, X86::CMOVNP32rr, X86::CMOVNP64rr },
5769 { X86::CMOVNS16rr, X86::CMOVNS32rr, X86::CMOVNS64rr },
5770 { X86::CMOVO16rr, X86::CMOVO32rr, X86::CMOVO64rr },
5771 { X86::CMOVP16rr, X86::CMOVP32rr, X86::CMOVP64rr },
5772 { X86::CMOVS16rr, X86::CMOVS32rr, X86::CMOVS64rr },
5773 { X86::CMOVA16rm, X86::CMOVA32rm, X86::CMOVA64rm },
5774 { X86::CMOVAE16rm, X86::CMOVAE32rm, X86::CMOVAE64rm },
5775 { X86::CMOVB16rm, X86::CMOVB32rm, X86::CMOVB64rm },
5776 { X86::CMOVBE16rm, X86::CMOVBE32rm, X86::CMOVBE64rm },
5777 { X86::CMOVE16rm, X86::CMOVE32rm, X86::CMOVE64rm },
5778 { X86::CMOVG16rm, X86::CMOVG32rm, X86::CMOVG64rm },
5779 { X86::CMOVGE16rm, X86::CMOVGE32rm, X86::CMOVGE64rm },
5780 { X86::CMOVL16rm, X86::CMOVL32rm, X86::CMOVL64rm },
5781 { X86::CMOVLE16rm, X86::CMOVLE32rm, X86::CMOVLE64rm },
5782 { X86::CMOVNE16rm, X86::CMOVNE32rm, X86::CMOVNE64rm },
5783 { X86::CMOVNO16rm, X86::CMOVNO32rm, X86::CMOVNO64rm },
5784 { X86::CMOVNP16rm, X86::CMOVNP32rm, X86::CMOVNP64rm },
5785 { X86::CMOVNS16rm, X86::CMOVNS32rm, X86::CMOVNS64rm },
5786 { X86::CMOVO16rm, X86::CMOVO32rm, X86::CMOVO64rm },
5787 { X86::CMOVP16rm, X86::CMOVP32rm, X86::CMOVP64rm },
5788 { X86::CMOVS16rm, X86::CMOVS32rm, X86::CMOVS64rm }
5789 };
5790
5791 assert(CC < 16 && "Can only handle standard cond codes")((CC < 16 && "Can only handle standard cond codes"
) ? static_cast<void> (0) : __assert_fail ("CC < 16 && \"Can only handle standard cond codes\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 5791, __PRETTY_FUNCTION__))
;
5792 unsigned Idx = HasMemoryOperand ? 16+CC : CC;
5793 switch(RegBytes) {
5794 default: llvm_unreachable("Illegal register size!")::llvm::llvm_unreachable_internal("Illegal register size!", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 5794)
;
5795 case 2: return Opc[Idx][0];
5796 case 4: return Opc[Idx][1];
5797 case 8: return Opc[Idx][2];
5798 }
5799}
5800
5801bool X86InstrInfo::isUnpredicatedTerminator(const MachineInstr &MI) const {
5802 if (!MI.isTerminator()) return false;
5803
5804 // Conditional branch is a special case.
5805 if (MI.isBranch() && !MI.isBarrier())
5806 return true;
5807 if (!MI.isPredicable())
5808 return true;
5809 return !isPredicated(MI);
5810}
5811
5812bool X86InstrInfo::isUnconditionalTailCall(const MachineInstr &MI) const {
5813 switch (MI.getOpcode()) {
5814 case X86::TCRETURNdi:
5815 case X86::TCRETURNri:
5816 case X86::TCRETURNmi:
5817 case X86::TCRETURNdi64:
5818 case X86::TCRETURNri64:
5819 case X86::TCRETURNmi64:
5820 return true;
5821 default:
5822 return false;
5823 }
5824}
5825
5826bool X86InstrInfo::canMakeTailCallConditional(
5827 SmallVectorImpl<MachineOperand> &BranchCond,
5828 const MachineInstr &TailCall) const {
5829 if (TailCall.getOpcode() != X86::TCRETURNdi &&
5830 TailCall.getOpcode() != X86::TCRETURNdi64) {
5831 // Only direct calls can be done with a conditional branch.
5832 return false;
5833 }
5834
5835 const MachineFunction *MF = TailCall.getParent()->getParent();
5836 if (Subtarget.isTargetWin64() && MF->hasWinCFI()) {
5837 // Conditional tail calls confuse the Win64 unwinder.
5838 return false;
5839 }
5840
5841 assert(BranchCond.size() == 1)((BranchCond.size() == 1) ? static_cast<void> (0) : __assert_fail
("BranchCond.size() == 1", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 5841, __PRETTY_FUNCTION__))
;
5842 if (BranchCond[0].getImm() > X86::LAST_VALID_COND) {
5843 // Can't make a conditional tail call with this condition.
5844 return false;
5845 }
5846
5847 const X86MachineFunctionInfo *X86FI = MF->getInfo<X86MachineFunctionInfo>();
5848 if (X86FI->getTCReturnAddrDelta() != 0 ||
5849 TailCall.getOperand(1).getImm() != 0) {
5850 // A conditional tail call cannot do any stack adjustment.
5851 return false;
5852 }
5853
5854 return true;
5855}
5856
5857void X86InstrInfo::replaceBranchWithTailCall(
5858 MachineBasicBlock &MBB, SmallVectorImpl<MachineOperand> &BranchCond,
5859 const MachineInstr &TailCall) const {
5860 assert(canMakeTailCallConditional(BranchCond, TailCall))((canMakeTailCallConditional(BranchCond, TailCall)) ? static_cast
<void> (0) : __assert_fail ("canMakeTailCallConditional(BranchCond, TailCall)"
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 5860, __PRETTY_FUNCTION__))
;
5861
5862 MachineBasicBlock::iterator I = MBB.end();
5863 while (I != MBB.begin()) {
5864 --I;
5865 if (I->isDebugValue())
5866 continue;
5867 if (!I->isBranch())
5868 assert(0 && "Can't find the branch to replace!")((0 && "Can't find the branch to replace!") ? static_cast
<void> (0) : __assert_fail ("0 && \"Can't find the branch to replace!\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 5868, __PRETTY_FUNCTION__))
;
5869
5870 X86::CondCode CC = getCondFromBranchOpc(I->getOpcode());
5871 assert(BranchCond.size() == 1)((BranchCond.size() == 1) ? static_cast<void> (0) : __assert_fail
("BranchCond.size() == 1", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 5871, __PRETTY_FUNCTION__))
;
5872 if (CC != BranchCond[0].getImm())
5873 continue;
5874
5875 break;
5876 }
5877
5878 unsigned Opc = TailCall.getOpcode() == X86::TCRETURNdi ? X86::TCRETURNdicc
5879 : X86::TCRETURNdi64cc;
5880
5881 auto MIB = BuildMI(MBB, I, MBB.findDebugLoc(I), get(Opc));
5882 MIB->addOperand(TailCall.getOperand(0)); // Destination.
5883 MIB.addImm(0); // Stack offset (not used).
5884 MIB->addOperand(BranchCond[0]); // Condition.
5885 MIB.copyImplicitOps(TailCall); // Regmask and (imp-used) parameters.
5886
5887 // Add implicit uses and defs of all live regs potentially clobbered by the
5888 // call. This way they still appear live across the call.
5889 LivePhysRegs LiveRegs(&getRegisterInfo());
5890 LiveRegs.addLiveOuts(MBB);
5891 SmallVector<std::pair<unsigned, const MachineOperand *>, 8> Clobbers;
5892 LiveRegs.stepForward(*MIB, Clobbers);
5893 for (const auto &C : Clobbers) {
5894 MIB.addReg(C.first, RegState::Implicit);
5895 MIB.addReg(C.first, RegState::Implicit | RegState::Define);
5896 }
5897
5898 I->eraseFromParent();
5899}
5900
5901// Given a MBB and its TBB, find the FBB which was a fallthrough MBB (it may
5902// not be a fallthrough MBB now due to layout changes). Return nullptr if the
5903// fallthrough MBB cannot be identified.
5904static MachineBasicBlock *getFallThroughMBB(MachineBasicBlock *MBB,
5905 MachineBasicBlock *TBB) {
5906 // Look for non-EHPad successors other than TBB. If we find exactly one, it
5907 // is the fallthrough MBB. If we find zero, then TBB is both the target MBB
5908 // and fallthrough MBB. If we find more than one, we cannot identify the
5909 // fallthrough MBB and should return nullptr.
5910 MachineBasicBlock *FallthroughBB = nullptr;
5911 for (auto SI = MBB->succ_begin(), SE = MBB->succ_end(); SI != SE; ++SI) {
5912 if ((*SI)->isEHPad() || (*SI == TBB && FallthroughBB))
5913 continue;
5914 // Return a nullptr if we found more than one fallthrough successor.
5915 if (FallthroughBB && FallthroughBB != TBB)
5916 return nullptr;
5917 FallthroughBB = *SI;
5918 }
5919 return FallthroughBB;
5920}
5921
5922bool X86InstrInfo::AnalyzeBranchImpl(
5923 MachineBasicBlock &MBB, MachineBasicBlock *&TBB, MachineBasicBlock *&FBB,
5924 SmallVectorImpl<MachineOperand> &Cond,
5925 SmallVectorImpl<MachineInstr *> &CondBranches, bool AllowModify) const {
5926
5927 // Start from the bottom of the block and work up, examining the
5928 // terminator instructions.
5929 MachineBasicBlock::iterator I = MBB.end();
5930 MachineBasicBlock::iterator UnCondBrIter = MBB.end();
5931 while (I != MBB.begin()) {
5932 --I;
5933 if (I->isDebugValue())
5934 continue;
5935
5936 // Working from the bottom, when we see a non-terminator instruction, we're
5937 // done.
5938 if (!isUnpredicatedTerminator(*I))
5939 break;
5940
5941 // A terminator that isn't a branch can't easily be handled by this
5942 // analysis.
5943 if (!I->isBranch())
5944 return true;
5945
5946 // Handle unconditional branches.
5947 if (I->getOpcode() == X86::JMP_1) {
5948 UnCondBrIter = I;
5949
5950 if (!AllowModify) {
5951 TBB = I->getOperand(0).getMBB();
5952 continue;
5953 }
5954
5955 // If the block has any instructions after a JMP, delete them.
5956 while (std::next(I) != MBB.end())
5957 std::next(I)->eraseFromParent();
5958
5959 Cond.clear();
5960 FBB = nullptr;
5961
5962 // Delete the JMP if it's equivalent to a fall-through.
5963 if (MBB.isLayoutSuccessor(I->getOperand(0).getMBB())) {
5964 TBB = nullptr;
5965 I->eraseFromParent();
5966 I = MBB.end();
5967 UnCondBrIter = MBB.end();
5968 continue;
5969 }
5970
5971 // TBB is used to indicate the unconditional destination.
5972 TBB = I->getOperand(0).getMBB();
5973 continue;
5974 }
5975
5976 // Handle conditional branches.
5977 X86::CondCode BranchCode = getCondFromBranchOpc(I->getOpcode());
5978 if (BranchCode == X86::COND_INVALID)
5979 return true; // Can't handle indirect branch.
5980
5981 // Working from the bottom, handle the first conditional branch.
5982 if (Cond.empty()) {
5983 MachineBasicBlock *TargetBB = I->getOperand(0).getMBB();
5984 if (AllowModify && UnCondBrIter != MBB.end() &&
5985 MBB.isLayoutSuccessor(TargetBB)) {
5986 // If we can modify the code and it ends in something like:
5987 //
5988 // jCC L1
5989 // jmp L2
5990 // L1:
5991 // ...
5992 // L2:
5993 //
5994 // Then we can change this to:
5995 //
5996 // jnCC L2
5997 // L1:
5998 // ...
5999 // L2:
6000 //
6001 // Which is a bit more efficient.
6002 // We conditionally jump to the fall-through block.
6003 BranchCode = GetOppositeBranchCondition(BranchCode);
6004 unsigned JNCC = GetCondBranchFromCond(BranchCode);
6005 MachineBasicBlock::iterator OldInst = I;
6006
6007 BuildMI(MBB, UnCondBrIter, MBB.findDebugLoc(I), get(JNCC))
6008 .addMBB(UnCondBrIter->getOperand(0).getMBB());
6009 BuildMI(MBB, UnCondBrIter, MBB.findDebugLoc(I), get(X86::JMP_1))
6010 .addMBB(TargetBB);
6011
6012 OldInst->eraseFromParent();
6013 UnCondBrIter->eraseFromParent();
6014
6015 // Restart the analysis.
6016 UnCondBrIter = MBB.end();
6017 I = MBB.end();
6018 continue;
6019 }
6020
6021 FBB = TBB;
6022 TBB = I->getOperand(0).getMBB();
6023 Cond.push_back(MachineOperand::CreateImm(BranchCode));
6024 CondBranches.push_back(&*I);
6025 continue;
6026 }
6027
6028 // Handle subsequent conditional branches. Only handle the case where all
6029 // conditional branches branch to the same destination and their condition
6030 // opcodes fit one of the special multi-branch idioms.
6031 assert(Cond.size() == 1)((Cond.size() == 1) ? static_cast<void> (0) : __assert_fail
("Cond.size() == 1", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6031, __PRETTY_FUNCTION__))
;
6032 assert(TBB)((TBB) ? static_cast<void> (0) : __assert_fail ("TBB", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6032, __PRETTY_FUNCTION__))
;
6033
6034 // If the conditions are the same, we can leave them alone.
6035 X86::CondCode OldBranchCode = (X86::CondCode)Cond[0].getImm();
6036 auto NewTBB = I->getOperand(0).getMBB();
6037 if (OldBranchCode == BranchCode && TBB == NewTBB)
6038 continue;
6039
6040 // If they differ, see if they fit one of the known patterns. Theoretically,
6041 // we could handle more patterns here, but we shouldn't expect to see them
6042 // if instruction selection has done a reasonable job.
6043 if (TBB == NewTBB &&
6044 ((OldBranchCode == X86::COND_P && BranchCode == X86::COND_NE) ||
6045 (OldBranchCode == X86::COND_NE && BranchCode == X86::COND_P))) {
6046 BranchCode = X86::COND_NE_OR_P;
6047 } else if ((OldBranchCode == X86::COND_NP && BranchCode == X86::COND_NE) ||
6048 (OldBranchCode == X86::COND_E && BranchCode == X86::COND_P)) {
6049 if (NewTBB != (FBB ? FBB : getFallThroughMBB(&MBB, TBB)))
6050 return true;
6051
6052 // X86::COND_E_AND_NP usually has two different branch destinations.
6053 //
6054 // JP B1
6055 // JE B2
6056 // JMP B1
6057 // B1:
6058 // B2:
6059 //
6060 // Here this condition branches to B2 only if NP && E. It has another
6061 // equivalent form:
6062 //
6063 // JNE B1
6064 // JNP B2
6065 // JMP B1
6066 // B1:
6067 // B2:
6068 //
6069 // Similarly it branches to B2 only if E && NP. That is why this condition
6070 // is named with COND_E_AND_NP.
6071 BranchCode = X86::COND_E_AND_NP;
6072 } else
6073 return true;
6074
6075 // Update the MachineOperand.
6076 Cond[0].setImm(BranchCode);
6077 CondBranches.push_back(&*I);
6078 }
6079
6080 return false;
6081}
6082
6083bool X86InstrInfo::analyzeBranch(MachineBasicBlock &MBB,
6084 MachineBasicBlock *&TBB,
6085 MachineBasicBlock *&FBB,
6086 SmallVectorImpl<MachineOperand> &Cond,
6087 bool AllowModify) const {
6088 SmallVector<MachineInstr *, 4> CondBranches;
6089 return AnalyzeBranchImpl(MBB, TBB, FBB, Cond, CondBranches, AllowModify);
6090}
6091
6092bool X86InstrInfo::analyzeBranchPredicate(MachineBasicBlock &MBB,
6093 MachineBranchPredicate &MBP,
6094 bool AllowModify) const {
6095 using namespace std::placeholders;
6096
6097 SmallVector<MachineOperand, 4> Cond;
6098 SmallVector<MachineInstr *, 4> CondBranches;
6099 if (AnalyzeBranchImpl(MBB, MBP.TrueDest, MBP.FalseDest, Cond, CondBranches,
6100 AllowModify))
6101 return true;
6102
6103 if (Cond.size() != 1)
6104 return true;
6105
6106 assert(MBP.TrueDest && "expected!")((MBP.TrueDest && "expected!") ? static_cast<void>
(0) : __assert_fail ("MBP.TrueDest && \"expected!\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6106, __PRETTY_FUNCTION__))
;
6107
6108 if (!MBP.FalseDest)
6109 MBP.FalseDest = MBB.getNextNode();
6110
6111 const TargetRegisterInfo *TRI = &getRegisterInfo();
6112
6113 MachineInstr *ConditionDef = nullptr;
6114 bool SingleUseCondition = true;
6115
6116 for (auto I = std::next(MBB.rbegin()), E = MBB.rend(); I != E; ++I) {
6117 if (I->modifiesRegister(X86::EFLAGS, TRI)) {
6118 ConditionDef = &*I;
6119 break;
6120 }
6121
6122 if (I->readsRegister(X86::EFLAGS, TRI))
6123 SingleUseCondition = false;
6124 }
6125
6126 if (!ConditionDef)
6127 return true;
6128
6129 if (SingleUseCondition) {
6130 for (auto *Succ : MBB.successors())
6131 if (Succ->isLiveIn(X86::EFLAGS))
6132 SingleUseCondition = false;
6133 }
6134
6135 MBP.ConditionDef = ConditionDef;
6136 MBP.SingleUseCondition = SingleUseCondition;
6137
6138 // Currently we only recognize the simple pattern:
6139 //
6140 // test %reg, %reg
6141 // je %label
6142 //
6143 const unsigned TestOpcode =
6144 Subtarget.is64Bit() ? X86::TEST64rr : X86::TEST32rr;
6145
6146 if (ConditionDef->getOpcode() == TestOpcode &&
6147 ConditionDef->getNumOperands() == 3 &&
6148 ConditionDef->getOperand(0).isIdenticalTo(ConditionDef->getOperand(1)) &&
6149 (Cond[0].getImm() == X86::COND_NE || Cond[0].getImm() == X86::COND_E)) {
6150 MBP.LHS = ConditionDef->getOperand(0);
6151 MBP.RHS = MachineOperand::CreateImm(0);
6152 MBP.Predicate = Cond[0].getImm() == X86::COND_NE
6153 ? MachineBranchPredicate::PRED_NE
6154 : MachineBranchPredicate::PRED_EQ;
6155 return false;
6156 }
6157
6158 return true;
6159}
6160
6161unsigned X86InstrInfo::removeBranch(MachineBasicBlock &MBB,
6162 int *BytesRemoved) const {
6163 assert(!BytesRemoved && "code size not handled")((!BytesRemoved && "code size not handled") ? static_cast
<void> (0) : __assert_fail ("!BytesRemoved && \"code size not handled\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6163, __PRETTY_FUNCTION__))
;
6164
6165 MachineBasicBlock::iterator I = MBB.end();
6166 unsigned Count = 0;
6167
6168 while (I != MBB.begin()) {
6169 --I;
6170 if (I->isDebugValue())
6171 continue;
6172 if (I->getOpcode() != X86::JMP_1 &&
6173 getCondFromBranchOpc(I->getOpcode()) == X86::COND_INVALID)
6174 break;
6175 // Remove the branch.
6176 I->eraseFromParent();
6177 I = MBB.end();
6178 ++Count;
6179 }
6180
6181 return Count;
6182}
6183
6184unsigned X86InstrInfo::insertBranch(MachineBasicBlock &MBB,
6185 MachineBasicBlock *TBB,
6186 MachineBasicBlock *FBB,
6187 ArrayRef<MachineOperand> Cond,
6188 const DebugLoc &DL,
6189 int *BytesAdded) const {
6190 // Shouldn't be a fall through.
6191 assert(TBB && "insertBranch must not be told to insert a fallthrough")((TBB && "insertBranch must not be told to insert a fallthrough"
) ? static_cast<void> (0) : __assert_fail ("TBB && \"insertBranch must not be told to insert a fallthrough\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6191, __PRETTY_FUNCTION__))
;
6192 assert((Cond.size() == 1 || Cond.size() == 0) &&(((Cond.size() == 1 || Cond.size() == 0) && "X86 branch conditions have one component!"
) ? static_cast<void> (0) : __assert_fail ("(Cond.size() == 1 || Cond.size() == 0) && \"X86 branch conditions have one component!\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6193, __PRETTY_FUNCTION__))
6193 "X86 branch conditions have one component!")(((Cond.size() == 1 || Cond.size() == 0) && "X86 branch conditions have one component!"
) ? static_cast<void> (0) : __assert_fail ("(Cond.size() == 1 || Cond.size() == 0) && \"X86 branch conditions have one component!\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6193, __PRETTY_FUNCTION__))
;
6194 assert(!BytesAdded && "code size not handled")((!BytesAdded && "code size not handled") ? static_cast
<void> (0) : __assert_fail ("!BytesAdded && \"code size not handled\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6194, __PRETTY_FUNCTION__))
;
6195
6196 if (Cond.empty()) {
6197 // Unconditional branch?
6198 assert(!FBB && "Unconditional branch with multiple successors!")((!FBB && "Unconditional branch with multiple successors!"
) ? static_cast<void> (0) : __assert_fail ("!FBB && \"Unconditional branch with multiple successors!\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6198, __PRETTY_FUNCTION__))
;
6199 BuildMI(&MBB, DL, get(X86::JMP_1)).addMBB(TBB);
6200 return 1;
6201 }
6202
6203 // If FBB is null, it is implied to be a fall-through block.
6204 bool FallThru = FBB == nullptr;
6205
6206 // Conditional branch.
6207 unsigned Count = 0;
6208 X86::CondCode CC = (X86::CondCode)Cond[0].getImm();
6209 switch (CC) {
6210 case X86::COND_NE_OR_P:
6211 // Synthesize NE_OR_P with two branches.
6212 BuildMI(&MBB, DL, get(X86::JNE_1)).addMBB(TBB);
6213 ++Count;
6214 BuildMI(&MBB, DL, get(X86::JP_1)).addMBB(TBB);
6215 ++Count;
6216 break;
6217 case X86::COND_E_AND_NP:
6218 // Use the next block of MBB as FBB if it is null.
6219 if (FBB == nullptr) {
6220 FBB = getFallThroughMBB(&MBB, TBB);
6221 assert(FBB && "MBB cannot be the last block in function when the false "((FBB && "MBB cannot be the last block in function when the false "
"body is a fall-through.") ? static_cast<void> (0) : __assert_fail
("FBB && \"MBB cannot be the last block in function when the false \" \"body is a fall-through.\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6222, __PRETTY_FUNCTION__))
6222 "body is a fall-through.")((FBB && "MBB cannot be the last block in function when the false "
"body is a fall-through.") ? static_cast<void> (0) : __assert_fail
("FBB && \"MBB cannot be the last block in function when the false \" \"body is a fall-through.\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6222, __PRETTY_FUNCTION__))
;
6223 }
6224 // Synthesize COND_E_AND_NP with two branches.
6225 BuildMI(&MBB, DL, get(X86::JNE_1)).addMBB(FBB);
6226 ++Count;
6227 BuildMI(&MBB, DL, get(X86::JNP_1)).addMBB(TBB);
6228 ++Count;
6229 break;
6230 default: {
6231 unsigned Opc = GetCondBranchFromCond(CC);
6232 BuildMI(&MBB, DL, get(Opc)).addMBB(TBB);
6233 ++Count;
6234 }
6235 }
6236 if (!FallThru) {
6237 // Two-way Conditional branch. Insert the second branch.
6238 BuildMI(&MBB, DL, get(X86::JMP_1)).addMBB(FBB);
6239 ++Count;
6240 }
6241 return Count;
6242}
6243
6244bool X86InstrInfo::
6245canInsertSelect(const MachineBasicBlock &MBB,
6246 ArrayRef<MachineOperand> Cond,
6247 unsigned TrueReg, unsigned FalseReg,
6248 int &CondCycles, int &TrueCycles, int &FalseCycles) const {
6249 // Not all subtargets have cmov instructions.
6250 if (!Subtarget.hasCMov())
6251 return false;
6252 if (Cond.size() != 1)
6253 return false;
6254 // We cannot do the composite conditions, at least not in SSA form.
6255 if ((X86::CondCode)Cond[0].getImm() > X86::COND_S)
6256 return false;
6257
6258 // Check register classes.
6259 const MachineRegisterInfo &MRI = MBB.getParent()->getRegInfo();
6260 const TargetRegisterClass *RC =
6261 RI.getCommonSubClass(MRI.getRegClass(TrueReg), MRI.getRegClass(FalseReg));
6262 if (!RC)
6263 return false;
6264
6265 // We have cmov instructions for 16, 32, and 64 bit general purpose registers.
6266 if (X86::GR16RegClass.hasSubClassEq(RC) ||
6267 X86::GR32RegClass.hasSubClassEq(RC) ||
6268 X86::GR64RegClass.hasSubClassEq(RC)) {
6269 // This latency applies to Pentium M, Merom, Wolfdale, Nehalem, and Sandy
6270 // Bridge. Probably Ivy Bridge as well.
6271 CondCycles = 2;
6272 TrueCycles = 2;
6273 FalseCycles = 2;
6274 return true;
6275 }
6276
6277 // Can't do vectors.
6278 return false;
6279}
6280
6281void X86InstrInfo::insertSelect(MachineBasicBlock &MBB,
6282 MachineBasicBlock::iterator I,
6283 const DebugLoc &DL, unsigned DstReg,
6284 ArrayRef<MachineOperand> Cond, unsigned TrueReg,
6285 unsigned FalseReg) const {
6286 MachineRegisterInfo &MRI = MBB.getParent()->getRegInfo();
6287 const TargetRegisterInfo &TRI = *MRI.getTargetRegisterInfo();
6288 const TargetRegisterClass &RC = *MRI.getRegClass(DstReg);
6289 assert(Cond.size() == 1 && "Invalid Cond array")((Cond.size() == 1 && "Invalid Cond array") ? static_cast
<void> (0) : __assert_fail ("Cond.size() == 1 && \"Invalid Cond array\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6289, __PRETTY_FUNCTION__))
;
6290 unsigned Opc = getCMovFromCond((X86::CondCode)Cond[0].getImm(),
6291 TRI.getRegSizeInBits(RC) / 8,
6292 false /*HasMemoryOperand*/);
6293 BuildMI(MBB, I, DL, get(Opc), DstReg).addReg(FalseReg).addReg(TrueReg);
6294}
6295
6296/// Test if the given register is a physical h register.
6297static bool isHReg(unsigned Reg) {
6298 return X86::GR8_ABCD_HRegClass.contains(Reg);
6299}
6300
6301// Try and copy between VR128/VR64 and GR64 registers.
6302static unsigned CopyToFromAsymmetricReg(unsigned &DestReg, unsigned &SrcReg,
6303 const X86Subtarget &Subtarget) {
6304 bool HasAVX = Subtarget.hasAVX();
6305 bool HasAVX512 = Subtarget.hasAVX512();
6306
6307 // SrcReg(MaskReg) -> DestReg(GR64)
6308 // SrcReg(MaskReg) -> DestReg(GR32)
6309
6310 // All KMASK RegClasses hold the same k registers, can be tested against anyone.
6311 if (X86::VK16RegClass.contains(SrcReg)) {
6312 if (X86::GR64RegClass.contains(DestReg)) {
6313 assert(Subtarget.hasBWI())((Subtarget.hasBWI()) ? static_cast<void> (0) : __assert_fail
("Subtarget.hasBWI()", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6313, __PRETTY_FUNCTION__))
;
6314 return X86::KMOVQrk;
6315 }
6316 if (X86::GR32RegClass.contains(DestReg))
6317 return Subtarget.hasBWI() ? X86::KMOVDrk : X86::KMOVWrk;
6318 }
6319
6320 // SrcReg(GR64) -> DestReg(MaskReg)
6321 // SrcReg(GR32) -> DestReg(MaskReg)
6322
6323 // All KMASK RegClasses hold the same k registers, can be tested against anyone.
6324 if (X86::VK16RegClass.contains(DestReg)) {
6325 if (X86::GR64RegClass.contains(SrcReg)) {
6326 assert(Subtarget.hasBWI())((Subtarget.hasBWI()) ? static_cast<void> (0) : __assert_fail
("Subtarget.hasBWI()", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6326, __PRETTY_FUNCTION__))
;
6327 return X86::KMOVQkr;
6328 }
6329 if (X86::GR32RegClass.contains(SrcReg))
6330 return Subtarget.hasBWI() ? X86::KMOVDkr : X86::KMOVWkr;
6331 }
6332
6333
6334 // SrcReg(VR128) -> DestReg(GR64)
6335 // SrcReg(VR64) -> DestReg(GR64)
6336 // SrcReg(GR64) -> DestReg(VR128)
6337 // SrcReg(GR64) -> DestReg(VR64)
6338
6339 if (X86::GR64RegClass.contains(DestReg)) {
6340 if (X86::VR128XRegClass.contains(SrcReg))
6341 // Copy from a VR128 register to a GR64 register.
6342 return HasAVX512 ? X86::VMOVPQIto64Zrr :
6343 HasAVX ? X86::VMOVPQIto64rr :
6344 X86::MOVPQIto64rr;
6345 if (X86::VR64RegClass.contains(SrcReg))
6346 // Copy from a VR64 register to a GR64 register.
6347 return X86::MMX_MOVD64from64rr;
6348 } else if (X86::GR64RegClass.contains(SrcReg)) {
6349 // Copy from a GR64 register to a VR128 register.
6350 if (X86::VR128XRegClass.contains(DestReg))
6351 return HasAVX512 ? X86::VMOV64toPQIZrr :
6352 HasAVX ? X86::VMOV64toPQIrr :
6353 X86::MOV64toPQIrr;
6354 // Copy from a GR64 register to a VR64 register.
6355 if (X86::VR64RegClass.contains(DestReg))
6356 return X86::MMX_MOVD64to64rr;
6357 }
6358
6359 // SrcReg(FR32) -> DestReg(GR32)
6360 // SrcReg(GR32) -> DestReg(FR32)
6361
6362 if (X86::GR32RegClass.contains(DestReg) &&
6363 X86::FR32XRegClass.contains(SrcReg))
6364 // Copy from a FR32 register to a GR32 register.
6365 return HasAVX512 ? X86::VMOVSS2DIZrr :
6366 HasAVX ? X86::VMOVSS2DIrr :
6367 X86::MOVSS2DIrr;
6368
6369 if (X86::FR32XRegClass.contains(DestReg) &&
6370 X86::GR32RegClass.contains(SrcReg))
6371 // Copy from a GR32 register to a FR32 register.
6372 return HasAVX512 ? X86::VMOVDI2SSZrr :
6373 HasAVX ? X86::VMOVDI2SSrr :
6374 X86::MOVDI2SSrr;
6375 return 0;
6376}
6377
6378void X86InstrInfo::copyPhysReg(MachineBasicBlock &MBB,
6379 MachineBasicBlock::iterator MI,
6380 const DebugLoc &DL, unsigned DestReg,
6381 unsigned SrcReg, bool KillSrc) const {
6382 // First deal with the normal symmetric copies.
6383 bool HasAVX = Subtarget.hasAVX();
6384 bool HasVLX = Subtarget.hasVLX();
6385 unsigned Opc = 0;
6386 if (X86::GR64RegClass.contains(DestReg, SrcReg))
6387 Opc = X86::MOV64rr;
6388 else if (X86::GR32RegClass.contains(DestReg, SrcReg))
6389 Opc = X86::MOV32rr;
6390 else if (X86::GR16RegClass.contains(DestReg, SrcReg))
6391 Opc = X86::MOV16rr;
6392 else if (X86::GR8RegClass.contains(DestReg, SrcReg)) {
6393 // Copying to or from a physical H register on x86-64 requires a NOREX
6394 // move. Otherwise use a normal move.
6395 if ((isHReg(DestReg) || isHReg(SrcReg)) &&
6396 Subtarget.is64Bit()) {
6397 Opc = X86::MOV8rr_NOREX;
6398 // Both operands must be encodable without an REX prefix.
6399 assert(X86::GR8_NOREXRegClass.contains(SrcReg, DestReg) &&((X86::GR8_NOREXRegClass.contains(SrcReg, DestReg) &&
"8-bit H register can not be copied outside GR8_NOREX") ? static_cast
<void> (0) : __assert_fail ("X86::GR8_NOREXRegClass.contains(SrcReg, DestReg) && \"8-bit H register can not be copied outside GR8_NOREX\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6400, __PRETTY_FUNCTION__))
6400 "8-bit H register can not be copied outside GR8_NOREX")((X86::GR8_NOREXRegClass.contains(SrcReg, DestReg) &&
"8-bit H register can not be copied outside GR8_NOREX") ? static_cast
<void> (0) : __assert_fail ("X86::GR8_NOREXRegClass.contains(SrcReg, DestReg) && \"8-bit H register can not be copied outside GR8_NOREX\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6400, __PRETTY_FUNCTION__))
;
6401 } else
6402 Opc = X86::MOV8rr;
6403 }
6404 else if (X86::VR64RegClass.contains(DestReg, SrcReg))
6405 Opc = X86::MMX_MOVQ64rr;
6406 else if (X86::VR128XRegClass.contains(DestReg, SrcReg)) {
6407 if (HasVLX)
6408 Opc = X86::VMOVAPSZ128rr;
6409 else if (X86::VR128RegClass.contains(DestReg, SrcReg))
6410 Opc = HasAVX ? X86::VMOVAPSrr : X86::MOVAPSrr;
6411 else {
6412 // If this an extended register and we don't have VLX we need to use a
6413 // 512-bit move.
6414 Opc = X86::VMOVAPSZrr;
6415 const TargetRegisterInfo *TRI = &getRegisterInfo();
6416 DestReg = TRI->getMatchingSuperReg(DestReg, X86::sub_xmm,
6417 &X86::VR512RegClass);
6418 SrcReg = TRI->getMatchingSuperReg(SrcReg, X86::sub_xmm,
6419 &X86::VR512RegClass);
6420 }
6421 } else if (X86::VR256XRegClass.contains(DestReg, SrcReg)) {
6422 if (HasVLX)
6423 Opc = X86::VMOVAPSZ256rr;
6424 else if (X86::VR256RegClass.contains(DestReg, SrcReg))
6425 Opc = X86::VMOVAPSYrr;
6426 else {
6427 // If this an extended register and we don't have VLX we need to use a
6428 // 512-bit move.
6429 Opc = X86::VMOVAPSZrr;
6430 const TargetRegisterInfo *TRI = &getRegisterInfo();
6431 DestReg = TRI->getMatchingSuperReg(DestReg, X86::sub_ymm,
6432 &X86::VR512RegClass);
6433 SrcReg = TRI->getMatchingSuperReg(SrcReg, X86::sub_ymm,
6434 &X86::VR512RegClass);
6435 }
6436 } else if (X86::VR512RegClass.contains(DestReg, SrcReg))
6437 Opc = X86::VMOVAPSZrr;
6438 // All KMASK RegClasses hold the same k registers, can be tested against anyone.
6439 else if (X86::VK16RegClass.contains(DestReg, SrcReg))
6440 Opc = Subtarget.hasBWI() ? X86::KMOVQkk : X86::KMOVWkk;
6441 if (!Opc)
6442 Opc = CopyToFromAsymmetricReg(DestReg, SrcReg, Subtarget);
6443
6444 if (Opc) {
6445 BuildMI(MBB, MI, DL, get(Opc), DestReg)
6446 .addReg(SrcReg, getKillRegState(KillSrc));
6447 return;
6448 }
6449
6450 bool FromEFLAGS = SrcReg == X86::EFLAGS;
6451 bool ToEFLAGS = DestReg == X86::EFLAGS;
6452 int Reg = FromEFLAGS ? DestReg : SrcReg;
6453 bool is32 = X86::GR32RegClass.contains(Reg);
6454 bool is64 = X86::GR64RegClass.contains(Reg);
6455
6456 if ((FromEFLAGS || ToEFLAGS) && (is32 || is64)) {
6457 int Mov = is64 ? X86::MOV64rr : X86::MOV32rr;
6458 int Push = is64 ? X86::PUSH64r : X86::PUSH32r;
6459 int PushF = is64 ? X86::PUSHF64 : X86::PUSHF32;
6460 int Pop = is64 ? X86::POP64r : X86::POP32r;
6461 int PopF = is64 ? X86::POPF64 : X86::POPF32;
6462 int AX = is64 ? X86::RAX : X86::EAX;
6463
6464 if (!Subtarget.hasLAHFSAHF()) {
6465 assert(Subtarget.is64Bit() &&((Subtarget.is64Bit() && "Not having LAHF/SAHF only happens on 64-bit."
) ? static_cast<void> (0) : __assert_fail ("Subtarget.is64Bit() && \"Not having LAHF/SAHF only happens on 64-bit.\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6466, __PRETTY_FUNCTION__))
6466 "Not having LAHF/SAHF only happens on 64-bit.")((Subtarget.is64Bit() && "Not having LAHF/SAHF only happens on 64-bit."
) ? static_cast<void> (0) : __assert_fail ("Subtarget.is64Bit() && \"Not having LAHF/SAHF only happens on 64-bit.\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6466, __PRETTY_FUNCTION__))
;
6467 // Moving EFLAGS to / from another register requires a push and a pop.
6468 // Notice that we have to adjust the stack if we don't want to clobber the
6469 // first frame index. See X86FrameLowering.cpp - usesTheStack.
6470 if (FromEFLAGS) {
6471 BuildMI(MBB, MI, DL, get(PushF));
6472 BuildMI(MBB, MI, DL, get(Pop), DestReg);
6473 }
6474 if (ToEFLAGS) {
6475 BuildMI(MBB, MI, DL, get(Push))
6476 .addReg(SrcReg, getKillRegState(KillSrc));
6477 BuildMI(MBB, MI, DL, get(PopF));
6478 }
6479 return;
6480 }
6481
6482 // The flags need to be saved, but saving EFLAGS with PUSHF/POPF is
6483 // inefficient. Instead:
6484 // - Save the overflow flag OF into AL using SETO, and restore it using a
6485 // signed 8-bit addition of AL and INT8_MAX.
6486 // - Save/restore the bottom 8 EFLAGS bits (CF, PF, AF, ZF, SF) to/from AH
6487 // using LAHF/SAHF.
6488 // - When RAX/EAX is live and isn't the destination register, make sure it
6489 // isn't clobbered by PUSH/POP'ing it before and after saving/restoring
6490 // the flags.
6491 // This approach is ~2.25x faster than using PUSHF/POPF.
6492 //
6493 // This is still somewhat inefficient because we don't know which flags are
6494 // actually live inside EFLAGS. Were we able to do a single SETcc instead of
6495 // SETO+LAHF / ADDB+SAHF the code could be 1.02x faster.
6496 //
6497 // PUSHF/POPF is also potentially incorrect because it affects other flags
6498 // such as TF/IF/DF, which LLVM doesn't model.
6499 //
6500 // Notice that we have to adjust the stack if we don't want to clobber the
6501 // first frame index.
6502 // See X86ISelLowering.cpp - X86::hasCopyImplyingStackAdjustment.
6503
6504 const TargetRegisterInfo *TRI = &getRegisterInfo();
6505 MachineBasicBlock::LivenessQueryResult LQR =
6506 MBB.computeRegisterLiveness(TRI, AX, MI);
6507 // We do not want to save and restore AX if we do not have to.
6508 // Moreover, if we do so whereas AX is dead, we would need to set
6509 // an undef flag on the use of AX, otherwise the verifier will
6510 // complain that we read an undef value.
6511 // We do not want to change the behavior of the machine verifier
6512 // as this is usually wrong to read an undef value.
6513 if (MachineBasicBlock::LQR_Unknown == LQR) {
6514 LivePhysRegs LPR(TRI);
6515 LPR.addLiveOuts(MBB);
6516 MachineBasicBlock::iterator I = MBB.end();
6517 while (I != MI) {
6518 --I;
6519 LPR.stepBackward(*I);
6520 }
6521 // AX contains the top most register in the aliasing hierarchy.
6522 // It may not be live, but one of its aliases may be.
6523 for (MCRegAliasIterator AI(AX, TRI, true);
6524 AI.isValid() && LQR != MachineBasicBlock::LQR_Live; ++AI)
6525 LQR = LPR.contains(*AI) ? MachineBasicBlock::LQR_Live
6526 : MachineBasicBlock::LQR_Dead;
6527 }
6528 bool AXDead = (Reg == AX) || (MachineBasicBlock::LQR_Dead == LQR);
6529 if (!AXDead)
6530 BuildMI(MBB, MI, DL, get(Push)).addReg(AX, getKillRegState(true));
6531 if (FromEFLAGS) {
6532 BuildMI(MBB, MI, DL, get(X86::SETOr), X86::AL);
6533 BuildMI(MBB, MI, DL, get(X86::LAHF));
6534 BuildMI(MBB, MI, DL, get(Mov), Reg).addReg(AX);
6535 }
6536 if (ToEFLAGS) {
6537 BuildMI(MBB, MI, DL, get(Mov), AX).addReg(Reg, getKillRegState(KillSrc));
6538 BuildMI(MBB, MI, DL, get(X86::ADD8ri), X86::AL)
6539 .addReg(X86::AL)
6540 .addImm(INT8_MAX(127));
6541 BuildMI(MBB, MI, DL, get(X86::SAHF));
6542 }
6543 if (!AXDead)
6544 BuildMI(MBB, MI, DL, get(Pop), AX);
6545 return;
6546 }
6547
6548 DEBUG(dbgs() << "Cannot copy " << RI.getName(SrcReg)do { if (::llvm::DebugFlag && ::llvm::isCurrentDebugType
("x86-instr-info")) { dbgs() << "Cannot copy " <<
RI.getName(SrcReg) << " to " << RI.getName(DestReg
) << '\n'; } } while (false)
6549 << " to " << RI.getName(DestReg) << '\n')do { if (::llvm::DebugFlag && ::llvm::isCurrentDebugType
("x86-instr-info")) { dbgs() << "Cannot copy " <<
RI.getName(SrcReg) << " to " << RI.getName(DestReg
) << '\n'; } } while (false)
;
6550 llvm_unreachable("Cannot emit physreg copy instruction")::llvm::llvm_unreachable_internal("Cannot emit physreg copy instruction"
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6550)
;
6551}
6552
6553static unsigned getLoadStoreRegOpcode(unsigned Reg,
6554 const TargetRegisterClass *RC,
6555 bool isStackAligned,
6556 const X86Subtarget &STI,
6557 bool load) {
6558 bool HasAVX = STI.hasAVX();
6559 bool HasAVX512 = STI.hasAVX512();
6560 bool HasVLX = STI.hasVLX();
6561
6562 switch (STI.getRegisterInfo()->getSpillSize(*RC)) {
6563 default:
6564 llvm_unreachable("Unknown spill size")::llvm::llvm_unreachable_internal("Unknown spill size", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6564)
;
6565 case 1:
6566 assert(X86::GR8RegClass.hasSubClassEq(RC) && "Unknown 1-byte regclass")((X86::GR8RegClass.hasSubClassEq(RC) && "Unknown 1-byte regclass"
) ? static_cast<void> (0) : __assert_fail ("X86::GR8RegClass.hasSubClassEq(RC) && \"Unknown 1-byte regclass\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6566, __PRETTY_FUNCTION__))
;
6567 if (STI.is64Bit())
6568 // Copying to or from a physical H register on x86-64 requires a NOREX
6569 // move. Otherwise use a normal move.
6570 if (isHReg(Reg) || X86::GR8_ABCD_HRegClass.hasSubClassEq(RC))
6571 return load ? X86::MOV8rm_NOREX : X86::MOV8mr_NOREX;
6572 return load ? X86::MOV8rm : X86::MOV8mr;
6573 case 2:
6574 if (X86::VK16RegClass.hasSubClassEq(RC))
6575 return load ? X86::KMOVWkm : X86::KMOVWmk;
6576 assert(X86::GR16RegClass.hasSubClassEq(RC) && "Unknown 2-byte regclass")((X86::GR16RegClass.hasSubClassEq(RC) && "Unknown 2-byte regclass"
) ? static_cast<void> (0) : __assert_fail ("X86::GR16RegClass.hasSubClassEq(RC) && \"Unknown 2-byte regclass\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6576, __PRETTY_FUNCTION__))
;
6577 return load ? X86::MOV16rm : X86::MOV16mr;
6578 case 4:
6579 if (X86::GR32RegClass.hasSubClassEq(RC))
6580 return load ? X86::MOV32rm : X86::MOV32mr;
6581 if (X86::FR32XRegClass.hasSubClassEq(RC))
6582 return load ?
6583 (HasAVX512 ? X86::VMOVSSZrm : HasAVX ? X86::VMOVSSrm : X86::MOVSSrm) :
6584 (HasAVX512 ? X86::VMOVSSZmr : HasAVX ? X86::VMOVSSmr : X86::MOVSSmr);
6585 if (X86::RFP32RegClass.hasSubClassEq(RC))
6586 return load ? X86::LD_Fp32m : X86::ST_Fp32m;
6587 if (X86::VK32RegClass.hasSubClassEq(RC))
6588 return load ? X86::KMOVDkm : X86::KMOVDmk;
6589 llvm_unreachable("Unknown 4-byte regclass")::llvm::llvm_unreachable_internal("Unknown 4-byte regclass", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6589)
;
6590 case 8:
6591 if (X86::GR64RegClass.hasSubClassEq(RC))
6592 return load ? X86::MOV64rm : X86::MOV64mr;
6593 if (X86::FR64XRegClass.hasSubClassEq(RC))
6594 return load ?
6595 (HasAVX512 ? X86::VMOVSDZrm : HasAVX ? X86::VMOVSDrm : X86::MOVSDrm) :
6596 (HasAVX512 ? X86::VMOVSDZmr : HasAVX ? X86::VMOVSDmr : X86::MOVSDmr);
6597 if (X86::VR64RegClass.hasSubClassEq(RC))
6598 return load ? X86::MMX_MOVQ64rm : X86::MMX_MOVQ64mr;
6599 if (X86::RFP64RegClass.hasSubClassEq(RC))
6600 return load ? X86::LD_Fp64m : X86::ST_Fp64m;
6601 if (X86::VK64RegClass.hasSubClassEq(RC))
6602 return load ? X86::KMOVQkm : X86::KMOVQmk;
6603 llvm_unreachable("Unknown 8-byte regclass")::llvm::llvm_unreachable_internal("Unknown 8-byte regclass", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6603)
;
6604 case 10:
6605 assert(X86::RFP80RegClass.hasSubClassEq(RC) && "Unknown 10-byte regclass")((X86::RFP80RegClass.hasSubClassEq(RC) && "Unknown 10-byte regclass"
) ? static_cast<void> (0) : __assert_fail ("X86::RFP80RegClass.hasSubClassEq(RC) && \"Unknown 10-byte regclass\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6605, __PRETTY_FUNCTION__))
;
6606 return load ? X86::LD_Fp80m : X86::ST_FpP80m;
6607 case 16: {
6608 if (X86::VR128XRegClass.hasSubClassEq(RC)) {
6609 // If stack is realigned we can use aligned stores.
6610 if (isStackAligned)
6611 return load ?
6612 (HasVLX ? X86::VMOVAPSZ128rm :
6613 HasAVX512 ? X86::VMOVAPSZ128rm_NOVLX :
6614 HasAVX ? X86::VMOVAPSrm :
6615 X86::MOVAPSrm):
6616 (HasVLX ? X86::VMOVAPSZ128mr :
6617 HasAVX512 ? X86::VMOVAPSZ128mr_NOVLX :
6618 HasAVX ? X86::VMOVAPSmr :
6619 X86::MOVAPSmr);
6620 else
6621 return load ?
6622 (HasVLX ? X86::VMOVUPSZ128rm :
6623 HasAVX512 ? X86::VMOVUPSZ128rm_NOVLX :
6624 HasAVX ? X86::VMOVUPSrm :
6625 X86::MOVUPSrm):
6626 (HasVLX ? X86::VMOVUPSZ128mr :
6627 HasAVX512 ? X86::VMOVUPSZ128mr_NOVLX :
6628 HasAVX ? X86::VMOVUPSmr :
6629 X86::MOVUPSmr);
6630 }
6631 if (X86::BNDRRegClass.hasSubClassEq(RC)) {
6632 if (STI.is64Bit())
6633 return load ? X86::BNDMOVRM64rm : X86::BNDMOVMR64mr;
6634 else
6635 return load ? X86::BNDMOVRM32rm : X86::BNDMOVMR32mr;
6636 }
6637 llvm_unreachable("Unknown 16-byte regclass")::llvm::llvm_unreachable_internal("Unknown 16-byte regclass",
"/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6637)
;
6638 }
6639 case 32:
6640 assert(X86::VR256XRegClass.hasSubClassEq(RC) && "Unknown 32-byte regclass")((X86::VR256XRegClass.hasSubClassEq(RC) && "Unknown 32-byte regclass"
) ? static_cast<void> (0) : __assert_fail ("X86::VR256XRegClass.hasSubClassEq(RC) && \"Unknown 32-byte regclass\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6640, __PRETTY_FUNCTION__))
;
6641 // If stack is realigned we can use aligned stores.
6642 if (isStackAligned)
6643 return load ?
6644 (HasVLX ? X86::VMOVAPSZ256rm :
6645 HasAVX512 ? X86::VMOVAPSZ256rm_NOVLX :
6646 X86::VMOVAPSYrm) :
6647 (HasVLX ? X86::VMOVAPSZ256mr :
6648 HasAVX512 ? X86::VMOVAPSZ256mr_NOVLX :
6649 X86::VMOVAPSYmr);
6650 else
6651 return load ?
6652 (HasVLX ? X86::VMOVUPSZ256rm :
6653 HasAVX512 ? X86::VMOVUPSZ256rm_NOVLX :
6654 X86::VMOVUPSYrm) :
6655 (HasVLX ? X86::VMOVUPSZ256mr :
6656 HasAVX512 ? X86::VMOVUPSZ256mr_NOVLX :
6657 X86::VMOVUPSYmr);
6658 case 64:
6659 assert(X86::VR512RegClass.hasSubClassEq(RC) && "Unknown 64-byte regclass")((X86::VR512RegClass.hasSubClassEq(RC) && "Unknown 64-byte regclass"
) ? static_cast<void> (0) : __assert_fail ("X86::VR512RegClass.hasSubClassEq(RC) && \"Unknown 64-byte regclass\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6659, __PRETTY_FUNCTION__))
;
6660 assert(STI.hasAVX512() && "Using 512-bit register requires AVX512")((STI.hasAVX512() && "Using 512-bit register requires AVX512"
) ? static_cast<void> (0) : __assert_fail ("STI.hasAVX512() && \"Using 512-bit register requires AVX512\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6660, __PRETTY_FUNCTION__))
;
6661 if (isStackAligned)
6662 return load ? X86::VMOVAPSZrm : X86::VMOVAPSZmr;
6663 else
6664 return load ? X86::VMOVUPSZrm : X86::VMOVUPSZmr;
6665 }
6666}
6667
6668bool X86InstrInfo::getMemOpBaseRegImmOfs(MachineInstr &MemOp, unsigned &BaseReg,
6669 int64_t &Offset,
6670 const TargetRegisterInfo *TRI) const {
6671 const MCInstrDesc &Desc = MemOp.getDesc();
6672 int MemRefBegin = X86II::getMemoryOperandNo(Desc.TSFlags);
6673 if (MemRefBegin < 0)
6674 return false;
6675
6676 MemRefBegin += X86II::getOperandBias(Desc);
6677
6678 MachineOperand &BaseMO = MemOp.getOperand(MemRefBegin + X86::AddrBaseReg);
6679 if (!BaseMO.isReg()) // Can be an MO_FrameIndex
6680 return false;
6681
6682 BaseReg = BaseMO.getReg();
6683 if (MemOp.getOperand(MemRefBegin + X86::AddrScaleAmt).getImm() != 1)
6684 return false;
6685
6686 if (MemOp.getOperand(MemRefBegin + X86::AddrIndexReg).getReg() !=
6687 X86::NoRegister)
6688 return false;
6689
6690 const MachineOperand &DispMO = MemOp.getOperand(MemRefBegin + X86::AddrDisp);
6691
6692 // Displacement can be symbolic
6693 if (!DispMO.isImm())
6694 return false;
6695
6696 Offset = DispMO.getImm();
6697
6698 return true;
6699}
6700
6701static unsigned getStoreRegOpcode(unsigned SrcReg,
6702 const TargetRegisterClass *RC,
6703 bool isStackAligned,
6704 const X86Subtarget &STI) {
6705 return getLoadStoreRegOpcode(SrcReg, RC, isStackAligned, STI, false);
6706}
6707
6708
6709static unsigned getLoadRegOpcode(unsigned DestReg,
6710 const TargetRegisterClass *RC,
6711 bool isStackAligned,
6712 const X86Subtarget &STI) {
6713 return getLoadStoreRegOpcode(DestReg, RC, isStackAligned, STI, true);
6714}
6715
6716void X86InstrInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
6717 MachineBasicBlock::iterator MI,
6718 unsigned SrcReg, bool isKill, int FrameIdx,
6719 const TargetRegisterClass *RC,
6720 const TargetRegisterInfo *TRI) const {
6721 const MachineFunction &MF = *MBB.getParent();
6722 assert(MF.getFrameInfo().getObjectSize(FrameIdx) >= TRI->getSpillSize(*RC) &&((MF.getFrameInfo().getObjectSize(FrameIdx) >= TRI->getSpillSize
(*RC) && "Stack slot too small for store") ? static_cast
<void> (0) : __assert_fail ("MF.getFrameInfo().getObjectSize(FrameIdx) >= TRI->getSpillSize(*RC) && \"Stack slot too small for store\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6723, __PRETTY_FUNCTION__))
6723 "Stack slot too small for store")((MF.getFrameInfo().getObjectSize(FrameIdx) >= TRI->getSpillSize
(*RC) && "Stack slot too small for store") ? static_cast
<void> (0) : __assert_fail ("MF.getFrameInfo().getObjectSize(FrameIdx) >= TRI->getSpillSize(*RC) && \"Stack slot too small for store\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 6723, __PRETTY_FUNCTION__))
;
6724 unsigned Alignment = std::max<uint32_t>(TRI->getSpillSize(*RC), 16);
6725 bool isAligned =
6726 (Subtarget.getFrameLowering()->getStackAlignment() >= Alignment) ||
6727 RI.canRealignStack(MF);
6728 unsigned Opc = getStoreRegOpcode(SrcReg, RC, isAligned, Subtarget);
6729 DebugLoc DL = MBB.findDebugLoc(MI);
6730 addFrameReference(BuildMI(MBB, MI, DL, get(Opc)), FrameIdx)
6731 .addReg(SrcReg, getKillRegState(isKill));
6732}
6733
6734void X86InstrInfo::storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
6735 bool isKill,
6736 SmallVectorImpl<MachineOperand> &Addr,
6737 const TargetRegisterClass *RC,
6738 MachineInstr::mmo_iterator MMOBegin,
6739 MachineInstr::mmo_iterator MMOEnd,
6740 SmallVectorImpl<MachineInstr*> &NewMIs) const {
6741 const TargetRegisterInfo &TRI = *MF.getSubtarget().getRegisterInfo();
6742 unsigned Alignment = std::max<uint32_t>(TRI.getSpillSize(*RC), 16);
6743 bool isAligned = MMOBegin != MMOEnd &&
6744 (*MMOBegin)->getAlignment() >= Alignment;
6745 unsigned Opc = getStoreRegOpcode(SrcReg, RC, isAligned, Subtarget);
6746 DebugLoc DL;
6747 MachineInstrBuilder MIB = BuildMI(MF, DL, get(Opc));
6748 for (unsigned i = 0, e = Addr.size(); i != e; ++i)
6749 MIB.add(Addr[i]);
6750 MIB.addReg(SrcReg, getKillRegState(isKill));
6751 (*MIB).setMemRefs(MMOBegin, MMOEnd);
6752 NewMIs.push_back(MIB);
6753}
6754
6755
6756void X86InstrInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
6757 MachineBasicBlock::iterator MI,
6758 unsigned DestReg, int FrameIdx,
6759 const TargetRegisterClass *RC,
6760 const TargetRegisterInfo *TRI) const {
6761 const MachineFunction &MF = *MBB.getParent();
6762 unsigned Alignment = std::max<uint32_t>(TRI->getSpillSize(*RC), 16);
6763 bool isAligned =
6764 (Subtarget.getFrameLowering()->getStackAlignment() >= Alignment) ||
6765 RI.canRealignStack(MF);
6766 unsigned Opc = getLoadRegOpcode(DestReg, RC, isAligned, Subtarget);
6767 DebugLoc DL = MBB.findDebugLoc(MI);
6768 addFrameReference(BuildMI(MBB, MI, DL, get(Opc), DestReg), FrameIdx);
6769}
6770
6771void X86InstrInfo::loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
6772 SmallVectorImpl<MachineOperand> &Addr,
6773 const TargetRegisterClass *RC,
6774 MachineInstr::mmo_iterator MMOBegin,
6775 MachineInstr::mmo_iterator MMOEnd,
6776 SmallVectorImpl<MachineInstr*> &NewMIs) const {
6777 const TargetRegisterInfo &TRI = *MF.getSubtarget().getRegisterInfo();
6778 unsigned Alignment = std::max<uint32_t>(TRI.getSpillSize(*RC), 16);
6779 bool isAligned = MMOBegin != MMOEnd &&
6780 (*MMOBegin)->getAlignment() >= Alignment;
6781 unsigned Opc = getLoadRegOpcode(DestReg, RC, isAligned, Subtarget);
6782 DebugLoc DL;
6783 MachineInstrBuilder MIB = BuildMI(MF, DL, get(Opc), DestReg);
6784 for (unsigned i = 0, e = Addr.size(); i != e; ++i)
6785 MIB.add(Addr[i]);
6786 (*MIB).setMemRefs(MMOBegin, MMOEnd);
6787 NewMIs.push_back(MIB);
6788}
6789
6790bool X86InstrInfo::analyzeCompare(const MachineInstr &MI, unsigned &SrcReg,
6791 unsigned &SrcReg2, int &CmpMask,
6792 int &CmpValue) const {
6793 switch (MI.getOpcode()) {
6794 default: break;
6795 case X86::CMP64ri32:
6796 case X86::CMP64ri8:
6797 case X86::CMP32ri:
6798 case X86::CMP32ri8:
6799 case X86::CMP16ri:
6800 case X86::CMP16ri8:
6801 case X86::CMP8ri:
6802 SrcReg = MI.getOperand(0).getReg();
6803 SrcReg2 = 0;
6804 if (MI.getOperand(1).isImm()) {
6805 CmpMask = ~0;
6806 CmpValue = MI.getOperand(1).getImm();
6807 } else {
6808 CmpMask = CmpValue = 0;
6809 }
6810 return true;
6811 // A SUB can be used to perform comparison.
6812 case X86::SUB64rm:
6813 case X86::SUB32rm:
6814 case X86::SUB16rm:
6815 case X86::SUB8rm:
6816 SrcReg = MI.getOperand(1).getReg();
6817 SrcReg2 = 0;
6818 CmpMask = 0;
6819 CmpValue = 0;
6820 return true;
6821 case X86::SUB64rr:
6822 case X86::SUB32rr:
6823 case X86::SUB16rr:
6824 case X86::SUB8rr:
6825 SrcReg = MI.getOperand(1).getReg();
6826 SrcReg2 = MI.getOperand(2).getReg();
6827 CmpMask = 0;
6828 CmpValue = 0;
6829 return true;
6830 case X86::SUB64ri32:
6831 case X86::SUB64ri8:
6832 case X86::SUB32ri:
6833 case X86::SUB32ri8:
6834 case X86::SUB16ri:
6835 case X86::SUB16ri8:
6836 case X86::SUB8ri:
6837 SrcReg = MI.getOperand(1).getReg();
6838 SrcReg2 = 0;
6839 if (MI.getOperand(2).isImm()) {
6840 CmpMask = ~0;
6841 CmpValue = MI.getOperand(2).getImm();
6842 } else {
6843 CmpMask = CmpValue = 0;
6844 }
6845 return true;
6846 case X86::CMP64rr:
6847 case X86::CMP32rr:
6848 case X86::CMP16rr:
6849 case X86::CMP8rr:
6850 SrcReg = MI.getOperand(0).getReg();
6851 SrcReg2 = MI.getOperand(1).getReg();
6852 CmpMask = 0;
6853 CmpValue = 0;
6854 return true;
6855 case X86::TEST8rr:
6856 case X86::TEST16rr:
6857 case X86::TEST32rr:
6858 case X86::TEST64rr:
6859 SrcReg = MI.getOperand(0).getReg();
6860 if (MI.getOperand(1).getReg() != SrcReg)
6861 return false;
6862 // Compare against zero.
6863 SrcReg2 = 0;
6864 CmpMask = ~0;
6865 CmpValue = 0;
6866 return true;
6867 }
6868 return false;
6869}
6870
6871/// Check whether the first instruction, whose only
6872/// purpose is to update flags, can be made redundant.
6873/// CMPrr can be made redundant by SUBrr if the operands are the same.
6874/// This function can be extended later on.
6875/// SrcReg, SrcRegs: register operands for FlagI.
6876/// ImmValue: immediate for FlagI if it takes an immediate.
6877inline static bool isRedundantFlagInstr(MachineInstr &FlagI, unsigned SrcReg,
6878 unsigned SrcReg2, int ImmMask,
6879 int ImmValue, MachineInstr &OI) {
6880 if (((FlagI.getOpcode() == X86::CMP64rr && OI.getOpcode() == X86::SUB64rr) ||
6881 (FlagI.getOpcode() == X86::CMP32rr && OI.getOpcode() == X86::SUB32rr) ||
6882 (FlagI.getOpcode() == X86::CMP16rr && OI.getOpcode() == X86::SUB16rr) ||
6883 (FlagI.getOpcode() == X86::CMP8rr && OI.getOpcode() == X86::SUB8rr)) &&
6884 ((OI.getOperand(1).getReg() == SrcReg &&
6885 OI.getOperand(2).getReg() == SrcReg2) ||
6886 (OI.getOperand(1).getReg() == SrcReg2 &&
6887 OI.getOperand(2).getReg() == SrcReg)))
6888 return true;
6889
6890 if (ImmMask != 0 &&
6891 ((FlagI.getOpcode() == X86::CMP64ri32 &&
6892 OI.getOpcode() == X86::SUB64ri32) ||
6893 (FlagI.getOpcode() == X86::CMP64ri8 &&
6894 OI.getOpcode() == X86::SUB64ri8) ||
6895 (FlagI.getOpcode() == X86::CMP32ri && OI.getOpcode() == X86::SUB32ri) ||
6896 (FlagI.getOpcode() == X86::CMP32ri8 &&
6897 OI.getOpcode() == X86::SUB32ri8) ||
6898 (FlagI.getOpcode() == X86::CMP16ri && OI.getOpcode() == X86::SUB16ri) ||
6899 (FlagI.getOpcode() == X86::CMP16ri8 &&
6900 OI.getOpcode() == X86::SUB16ri8) ||
6901 (FlagI.getOpcode() == X86::CMP8ri && OI.getOpcode() == X86::SUB8ri)) &&
6902 OI.getOperand(1).getReg() == SrcReg &&
6903 OI.getOperand(2).getImm() == ImmValue)
6904 return true;
6905 return false;
6906}
6907
6908/// Check whether the definition can be converted
6909/// to remove a comparison against zero.
6910inline static bool isDefConvertible(MachineInstr &MI) {
6911 switch (MI.getOpcode()) {
6912 default: return false;
6913
6914 // The shift instructions only modify ZF if their shift count is non-zero.
6915 // N.B.: The processor truncates the shift count depending on the encoding.
6916 case X86::SAR8ri: case X86::SAR16ri: case X86::SAR32ri:case X86::SAR64ri:
6917 case X86::SHR8ri: case X86::SHR16ri: case X86::SHR32ri:case X86::SHR64ri:
6918 return getTruncatedShiftCount(MI, 2) != 0;
6919
6920 // Some left shift instructions can be turned into LEA instructions but only
6921 // if their flags aren't used. Avoid transforming such instructions.
6922 case X86::SHL8ri: case X86::SHL16ri: case X86::SHL32ri:case X86::SHL64ri:{
6923 unsigned ShAmt = getTruncatedShiftCount(MI, 2);
6924 if (isTruncatedShiftCountForLEA(ShAmt)) return false;
6925 return ShAmt != 0;
6926 }
6927
6928 case X86::SHRD16rri8:case X86::SHRD32rri8:case X86::SHRD64rri8:
6929 case X86::SHLD16rri8:case X86::SHLD32rri8:case X86::SHLD64rri8:
6930 return getTruncatedShiftCount(MI, 3) != 0;
6931
6932 case X86::SUB64ri32: case X86::SUB64ri8: case X86::SUB32ri:
6933 case X86::SUB32ri8: case X86::SUB16ri: case X86::SUB16ri8:
6934 case X86::SUB8ri: case X86::SUB64rr: case X86::SUB32rr:
6935 case X86::SUB16rr: case X86::SUB8rr: case X86::SUB64rm:
6936 case X86::SUB32rm: case X86::SUB16rm: case X86::SUB8rm:
6937 case X86::DEC64r: case X86::DEC32r: case X86::DEC16r: case X86::DEC8r:
6938 case X86::ADD64ri32: case X86::ADD64ri8: case X86::ADD32ri:
6939 case X86::ADD32ri8: case X86::ADD16ri: case X86::ADD16ri8:
6940 case X86::ADD8ri: case X86::ADD64rr: case X86::ADD32rr:
6941 case X86::ADD16rr: case X86::ADD8rr: case X86::ADD64rm:
6942 case X86::ADD32rm: case X86::ADD16rm: case X86::ADD8rm:
6943 case X86::INC64r: case X86::INC32r: case X86::INC16r: case X86::INC8r:
6944 case X86::AND64ri32: case X86::AND64ri8: case X86::AND32ri:
6945 case X86::AND32ri8: case X86::AND16ri: case X86::AND16ri8:
6946 case X86::AND8ri: case X86::AND64rr: case X86::AND32rr:
6947 case X86::AND16rr: case X86::AND8rr: case X86::AND64rm:
6948 case X86::AND32rm: case X86::AND16rm: case X86::AND8rm:
6949 case X86::XOR64ri32: case X86::XOR64ri8: case X86::XOR32ri:
6950 case X86::XOR32ri8: case X86::XOR16ri: case X86::XOR16ri8:
6951 case X86::XOR8ri: case X86::XOR64rr: case X86::XOR32rr:
6952 case X86::XOR16rr: case X86::XOR8rr: case X86::XOR64rm:
6953 case X86::XOR32rm: case X86::XOR16rm: case X86::XOR8rm:
6954 case X86::OR64ri32: case X86::OR64ri8: case X86::OR32ri:
6955 case X86::OR32ri8: case X86::OR16ri: case X86::OR16ri8:
6956 case X86::OR8ri: case X86::OR64rr: case X86::OR32rr:
6957 case X86::OR16rr: case X86::OR8rr: case X86::OR64rm:
6958 case X86::OR32rm: case X86::OR16rm: case X86::OR8rm:
6959 case X86::NEG8r: case X86::NEG16r: case X86::NEG32r: case X86::NEG64r:
6960 case X86::SAR8r1: case X86::SAR16r1: case X86::SAR32r1:case X86::SAR64r1:
6961 case X86::SHR8r1: case X86::SHR16r1: case X86::SHR32r1:case X86::SHR64r1:
6962 case X86::SHL8r1: case X86::SHL16r1: case X86::SHL32r1:case X86::SHL64r1:
6963 case X86::ADC32ri: case X86::ADC32ri8:
6964 case X86::ADC32rr: case X86::ADC64ri32:
6965 case X86::ADC64ri8: case X86::ADC64rr:
6966 case X86::SBB32ri: case X86::SBB32ri8:
6967 case X86::SBB32rr: case X86::SBB64ri32:
6968 case X86::SBB64ri8: case X86::SBB64rr:
6969 case X86::ANDN32rr: case X86::ANDN32rm:
6970 case X86::ANDN64rr: case X86::ANDN64rm:
6971 case X86::BEXTR32rr: case X86::BEXTR64rr:
6972 case X86::BEXTR32rm: case X86::BEXTR64rm:
6973 case X86::BLSI32rr: case X86::BLSI32rm:
6974 case X86::BLSI64rr: case X86::BLSI64rm:
6975 case X86::BLSMSK32rr:case X86::BLSMSK32rm:
6976 case X86::BLSMSK64rr:case X86::BLSMSK64rm:
6977 case X86::BLSR32rr: case X86::BLSR32rm:
6978 case X86::BLSR64rr: case X86::BLSR64rm:
6979 case X86::BZHI32rr: case X86::BZHI32rm:
6980 case X86::BZHI64rr: case X86::BZHI64rm:
6981 case X86::LZCNT16rr: case X86::LZCNT16rm:
6982 case X86::LZCNT32rr: case X86::LZCNT32rm:
6983 case X86::LZCNT64rr: case X86::LZCNT64rm:
6984 case X86::POPCNT16rr:case X86::POPCNT16rm:
6985 case X86::POPCNT32rr:case X86::POPCNT32rm:
6986 case X86::POPCNT64rr:case X86::POPCNT64rm:
6987 case X86::TZCNT16rr: case X86::TZCNT16rm:
6988 case X86::TZCNT32rr: case X86::TZCNT32rm:
6989 case X86::TZCNT64rr: case X86::TZCNT64rm:
6990 return true;
6991 }
6992}
6993
6994/// Check whether the use can be converted to remove a comparison against zero.
6995static X86::CondCode isUseDefConvertible(MachineInstr &MI) {
6996 switch (MI.getOpcode()) {
6997 default: return X86::COND_INVALID;
6998 case X86::LZCNT16rr: case X86::LZCNT16rm:
6999 case X86::LZCNT32rr: case X86::LZCNT32rm:
7000 case X86::LZCNT64rr: case X86::LZCNT64rm:
7001 return X86::COND_B;
7002 case X86::POPCNT16rr:case X86::POPCNT16rm:
7003 case X86::POPCNT32rr:case X86::POPCNT32rm:
7004 case X86::POPCNT64rr:case X86::POPCNT64rm:
7005 return X86::COND_E;
7006 case X86::TZCNT16rr: case X86::TZCNT16rm:
7007 case X86::TZCNT32rr: case X86::TZCNT32rm:
7008 case X86::TZCNT64rr: case X86::TZCNT64rm:
7009 return X86::COND_B;
7010 }
7011}
7012
7013/// Check if there exists an earlier instruction that
7014/// operates on the same source operands and sets flags in the same way as
7015/// Compare; remove Compare if possible.
7016bool X86InstrInfo::optimizeCompareInstr(MachineInstr &CmpInstr, unsigned SrcReg,
7017 unsigned SrcReg2, int CmpMask,
7018 int CmpValue,
7019 const MachineRegisterInfo *MRI) const {
7020 // Check whether we can replace SUB with CMP.
7021 unsigned NewOpcode = 0;
7022 switch (CmpInstr.getOpcode()) {
7023 default: break;
7024 case X86::SUB64ri32:
7025 case X86::SUB64ri8:
7026 case X86::SUB32ri:
7027 case X86::SUB32ri8:
7028 case X86::SUB16ri:
7029 case X86::SUB16ri8:
7030 case X86::SUB8ri:
7031 case X86::SUB64rm:
7032 case X86::SUB32rm:
7033 case X86::SUB16rm:
7034 case X86::SUB8rm:
7035 case X86::SUB64rr:
7036 case X86::SUB32rr:
7037 case X86::SUB16rr:
7038 case X86::SUB8rr: {
7039 if (!MRI->use_nodbg_empty(CmpInstr.getOperand(0).getReg()))
7040 return false;
7041 // There is no use of the destination register, we can replace SUB with CMP.
7042 switch (CmpInstr.getOpcode()) {
7043 default: llvm_unreachable("Unreachable!")::llvm::llvm_unreachable_internal("Unreachable!", "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 7043)
;
7044 case X86::SUB64rm: NewOpcode = X86::CMP64rm; break;
7045 case X86::SUB32rm: NewOpcode = X86::CMP32rm; break;
7046 case X86::SUB16rm: NewOpcode = X86::CMP16rm; break;
7047 case X86::SUB8rm: NewOpcode = X86::CMP8rm; break;
7048 case X86::SUB64rr: NewOpcode = X86::CMP64rr; break;
7049 case X86::SUB32rr: NewOpcode = X86::CMP32rr; break;
7050 case X86::SUB16rr: NewOpcode = X86::CMP16rr; break;
7051 case X86::SUB8rr: NewOpcode = X86::CMP8rr; break;
7052 case X86::SUB64ri32: NewOpcode = X86::CMP64ri32; break;
7053 case X86::SUB64ri8: NewOpcode = X86::CMP64ri8; break;
7054 case X86::SUB32ri: NewOpcode = X86::CMP32ri; break;
7055 case X86::SUB32ri8: NewOpcode = X86::CMP32ri8; break;
7056 case X86::SUB16ri: NewOpcode = X86::CMP16ri; break;
7057 case X86::SUB16ri8: NewOpcode = X86::CMP16ri8; break;
7058 case X86::SUB8ri: NewOpcode = X86::CMP8ri; break;
7059 }
7060 CmpInstr.setDesc(get(NewOpcode));
7061 CmpInstr.RemoveOperand(0);
7062 // Fall through to optimize Cmp if Cmp is CMPrr or CMPri.
7063 if (NewOpcode == X86::CMP64rm || NewOpcode == X86::CMP32rm ||
7064 NewOpcode == X86::CMP16rm || NewOpcode == X86::CMP8rm)
7065 return false;
7066 }
7067 }
7068
7069 // Get the unique definition of SrcReg.
7070 MachineInstr *MI = MRI->getUniqueVRegDef(SrcReg);
7071 if (!MI) return false;
7072
7073 // CmpInstr is the first instruction of the BB.
7074 MachineBasicBlock::iterator I = CmpInstr, Def = MI;
7075
7076 // If we are comparing against zero, check whether we can use MI to update
7077 // EFLAGS. If MI is not in the same BB as CmpInstr, do not optimize.
7078 bool IsCmpZero = (CmpMask != 0 && CmpValue == 0);
7079 if (IsCmpZero && MI->getParent() != CmpInstr.getParent())
7080 return false;
7081
7082 // If we have a use of the source register between the def and our compare
7083 // instruction we can eliminate the compare iff the use sets EFLAGS in the
7084 // right way.
7085 bool ShouldUpdateCC = false;
7086 X86::CondCode NewCC = X86::COND_INVALID;
7087 if (IsCmpZero && !isDefConvertible(*MI)) {
7088 // Scan forward from the use until we hit the use we're looking for or the
7089 // compare instruction.
7090 for (MachineBasicBlock::iterator J = MI;; ++J) {
7091 // Do we have a convertible instruction?
7092 NewCC = isUseDefConvertible(*J);
7093 if (NewCC != X86::COND_INVALID && J->getOperand(1).isReg() &&
7094 J->getOperand(1).getReg() == SrcReg) {
7095 assert(J->definesRegister(X86::EFLAGS) && "Must be an EFLAGS def!")((J->definesRegister(X86::EFLAGS) && "Must be an EFLAGS def!"
) ? static_cast<void> (0) : __assert_fail ("J->definesRegister(X86::EFLAGS) && \"Must be an EFLAGS def!\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 7095, __PRETTY_FUNCTION__))
;
7096 ShouldUpdateCC = true; // Update CC later on.
7097 // This is not a def of SrcReg, but still a def of EFLAGS. Keep going
7098 // with the new def.
7099 Def = J;
7100 MI = &*Def;
7101 break;
7102 }
7103
7104 if (J == I)
7105 return false;
7106 }
7107 }
7108
7109 // We are searching for an earlier instruction that can make CmpInstr
7110 // redundant and that instruction will be saved in Sub.
7111 MachineInstr *Sub = nullptr;
7112 const TargetRegisterInfo *TRI = &getRegisterInfo();
7113
7114 // We iterate backward, starting from the instruction before CmpInstr and
7115 // stop when reaching the definition of a source register or done with the BB.
7116 // RI points to the instruction before CmpInstr.
7117 // If the definition is in this basic block, RE points to the definition;
7118 // otherwise, RE is the rend of the basic block.
7119 MachineBasicBlock::reverse_iterator
7120 RI = ++I.getReverse(),
7121 RE = CmpInstr.getParent() == MI->getParent()
7122 ? Def.getReverse() /* points to MI */
7123 : CmpInstr.getParent()->rend();
7124 MachineInstr *Movr0Inst = nullptr;
7125 for (; RI != RE; ++RI) {
7126 MachineInstr &Instr = *RI;
7127 // Check whether CmpInstr can be made redundant by the current instruction.
7128 if (!IsCmpZero && isRedundantFlagInstr(CmpInstr, SrcReg, SrcReg2, CmpMask,
7129 CmpValue, Instr)) {
7130 Sub = &Instr;
7131 break;
7132 }
7133
7134 if (Instr.modifiesRegister(X86::EFLAGS, TRI) ||
7135 Instr.readsRegister(X86::EFLAGS, TRI)) {
7136 // This instruction modifies or uses EFLAGS.
7137
7138 // MOV32r0 etc. are implemented with xor which clobbers condition code.
7139 // They are safe to move up, if the definition to EFLAGS is dead and
7140 // earlier instructions do not read or write EFLAGS.
7141 if (!Movr0Inst && Instr.getOpcode() == X86::MOV32r0 &&
7142 Instr.registerDefIsDead(X86::EFLAGS, TRI)) {
7143 Movr0Inst = &Instr;
7144 continue;
7145 }
7146
7147 // We can't remove CmpInstr.
7148 return false;
7149 }
7150 }
7151
7152 // Return false if no candidates exist.
7153 if (!IsCmpZero && !Sub)
7154 return false;
7155
7156 bool IsSwapped = (SrcReg2 != 0 && Sub->getOperand(1).getReg() == SrcReg2 &&
7157 Sub->getOperand(2).getReg() == SrcReg);
7158
7159 // Scan forward from the instruction after CmpInstr for uses of EFLAGS.
7160 // It is safe to remove CmpInstr if EFLAGS is redefined or killed.
7161 // If we are done with the basic block, we need to check whether EFLAGS is
7162 // live-out.
7163 bool IsSafe = false;
7164 SmallVector<std::pair<MachineInstr*, unsigned /*NewOpc*/>, 4> OpsToUpdate;
7165 MachineBasicBlock::iterator E = CmpInstr.getParent()->end();
7166 for (++I; I != E; ++I) {
7167 const MachineInstr &Instr = *I;
7168 bool ModifyEFLAGS = Instr.modifiesRegister(X86::EFLAGS, TRI);
7169 bool UseEFLAGS = Instr.readsRegister(X86::EFLAGS, TRI);
7170 // We should check the usage if this instruction uses and updates EFLAGS.
7171 if (!UseEFLAGS && ModifyEFLAGS) {
7172 // It is safe to remove CmpInstr if EFLAGS is updated again.
7173 IsSafe = true;
7174 break;
7175 }
7176 if (!UseEFLAGS && !ModifyEFLAGS)
7177 continue;
7178
7179 // EFLAGS is used by this instruction.
7180 X86::CondCode OldCC = X86::COND_INVALID;
7181 bool OpcIsSET = false;
7182 if (IsCmpZero || IsSwapped) {
7183 // We decode the condition code from opcode.
7184 if (Instr.isBranch())
7185 OldCC = getCondFromBranchOpc(Instr.getOpcode());
7186 else {
7187 OldCC = getCondFromSETOpc(Instr.getOpcode());
7188 if (OldCC != X86::COND_INVALID)
7189 OpcIsSET = true;
7190 else
7191 OldCC = X86::getCondFromCMovOpc(Instr.getOpcode());
7192 }
7193 if (OldCC == X86::COND_INVALID) return false;
7194 }
7195 if (IsCmpZero) {
7196 switch (OldCC) {
7197 default: break;
7198 case X86::COND_A: case X86::COND_AE:
7199 case X86::COND_B: case X86::COND_BE:
7200 case X86::COND_G: case X86::COND_GE:
7201 case X86::COND_L: case X86::COND_LE:
7202 case X86::COND_O: case X86::COND_NO:
7203 // CF and OF are used, we can't perform this optimization.
7204 return false;
7205 }
7206
7207 // If we're updating the condition code check if we have to reverse the
7208 // condition.
7209 if (ShouldUpdateCC)
7210 switch (OldCC) {
7211 default:
7212 return false;
7213 case X86::COND_E:
7214 break;
7215 case X86::COND_NE:
7216 NewCC = GetOppositeBranchCondition(NewCC);
7217 break;
7218 }
7219 } else if (IsSwapped) {
7220 // If we have SUB(r1, r2) and CMP(r2, r1), the condition code needs
7221 // to be changed from r2 > r1 to r1 < r2, from r2 < r1 to r1 > r2, etc.
7222 // We swap the condition code and synthesize the new opcode.
7223 NewCC = getSwappedCondition(OldCC);
7224 if (NewCC == X86::COND_INVALID) return false;
7225 }
7226
7227 if ((ShouldUpdateCC || IsSwapped) && NewCC != OldCC) {
7228 // Synthesize the new opcode.
7229 bool HasMemoryOperand = Instr.hasOneMemOperand();
7230 unsigned NewOpc;
7231 if (Instr.isBranch())
7232 NewOpc = GetCondBranchFromCond(NewCC);
7233 else if(OpcIsSET)
7234 NewOpc = getSETFromCond(NewCC, HasMemoryOperand);
7235 else {
7236 unsigned DstReg = Instr.getOperand(0).getReg();
7237 const TargetRegisterClass *DstRC = MRI->getRegClass(DstReg);
7238 NewOpc = getCMovFromCond(NewCC, TRI->getRegSizeInBits(*DstRC)/8,
7239 HasMemoryOperand);
7240 }
7241
7242 // Push the MachineInstr to OpsToUpdate.
7243 // If it is safe to remove CmpInstr, the condition code of these
7244 // instructions will be modified.
7245 OpsToUpdate.push_back(std::make_pair(&*I, NewOpc));
7246 }
7247 if (ModifyEFLAGS || Instr.killsRegister(X86::EFLAGS, TRI)) {
7248 // It is safe to remove CmpInstr if EFLAGS is updated again or killed.
7249 IsSafe = true;
7250 break;
7251 }
7252 }
7253
7254 // If EFLAGS is not killed nor re-defined, we should check whether it is
7255 // live-out. If it is live-out, do not optimize.
7256 if ((IsCmpZero || IsSwapped) && !IsSafe) {
7257 MachineBasicBlock *MBB = CmpInstr.getParent();
7258 for (MachineBasicBlock *Successor : MBB->successors())
7259 if (Successor->isLiveIn(X86::EFLAGS))
7260 return false;
7261 }
7262
7263 // The instruction to be updated is either Sub or MI.
7264 Sub = IsCmpZero ? MI : Sub;
7265 // Move Movr0Inst to the appropriate place before Sub.
7266 if (Movr0Inst) {
7267 // Look backwards until we find a def that doesn't use the current EFLAGS.
7268 Def = Sub;
7269 MachineBasicBlock::reverse_iterator InsertI = Def.getReverse(),
7270 InsertE = Sub->getParent()->rend();
7271 for (; InsertI != InsertE; ++InsertI) {
7272 MachineInstr *Instr = &*InsertI;
7273 if (!Instr->readsRegister(X86::EFLAGS, TRI) &&
7274 Instr->modifiesRegister(X86::EFLAGS, TRI)) {
7275 Sub->getParent()->remove(Movr0Inst);
7276 Instr->getParent()->insert(MachineBasicBlock::iterator(Instr),
7277 Movr0Inst);
7278 break;
7279 }
7280 }
7281 if (InsertI == InsertE)
7282 return false;
7283 }
7284
7285 // Make sure Sub instruction defines EFLAGS and mark the def live.
7286 unsigned i = 0, e = Sub->getNumOperands();
7287 for (; i != e; ++i) {
7288 MachineOperand &MO = Sub->getOperand(i);
7289 if (MO.isReg() && MO.isDef() && MO.getReg() == X86::EFLAGS) {
7290 MO.setIsDead(false);
7291 break;
7292 }
7293 }
7294 assert(i != e && "Unable to locate a def EFLAGS operand")((i != e && "Unable to locate a def EFLAGS operand") ?
static_cast<void> (0) : __assert_fail ("i != e && \"Unable to locate a def EFLAGS operand\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 7294, __PRETTY_FUNCTION__))
;
7295
7296 CmpInstr.eraseFromParent();
7297
7298 // Modify the condition code of instructions in OpsToUpdate.
7299 for (auto &Op : OpsToUpdate)
7300 Op.first->setDesc(get(Op.second));
7301 return true;
7302}
7303
7304/// Try to remove the load by folding it to a register
7305/// operand at the use. We fold the load instructions if load defines a virtual
7306/// register, the virtual register is used once in the same BB, and the
7307/// instructions in-between do not load or store, and have no side effects.
7308MachineInstr *X86InstrInfo::optimizeLoadInstr(MachineInstr &MI,
7309 const MachineRegisterInfo *MRI,
7310 unsigned &FoldAsLoadDefReg,
7311 MachineInstr *&DefMI) const {
7312 // Check whether we can move DefMI here.
7313 DefMI = MRI->getVRegDef(FoldAsLoadDefReg);
7314 assert(DefMI)((DefMI) ? static_cast<void> (0) : __assert_fail ("DefMI"
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 7314, __PRETTY_FUNCTION__))
;
7315 bool SawStore = false;
7316 if (!DefMI->isSafeToMove(nullptr, SawStore))
7317 return nullptr;
7318
7319 // Collect information about virtual register operands of MI.
7320 SmallVector<unsigned, 1> SrcOperandIds;
7321 for (unsigned i = 0, e = MI.getNumOperands(); i != e; ++i) {
7322 MachineOperand &MO = MI.getOperand(i);
7323 if (!MO.isReg())
7324 continue;
7325 unsigned Reg = MO.getReg();
7326 if (Reg != FoldAsLoadDefReg)
7327 continue;
7328 // Do not fold if we have a subreg use or a def.
7329 if (MO.getSubReg() || MO.isDef())
7330 return nullptr;
7331 SrcOperandIds.push_back(i);
7332 }
7333 if (SrcOperandIds.empty())
7334 return nullptr;
7335
7336 // Check whether we can fold the def into SrcOperandId.
7337 if (MachineInstr *FoldMI = foldMemoryOperand(MI, SrcOperandIds, *DefMI)) {
7338 FoldAsLoadDefReg = 0;
7339 return FoldMI;
7340 }
7341
7342 return nullptr;
7343}
7344
7345/// Expand a single-def pseudo instruction to a two-addr
7346/// instruction with two undef reads of the register being defined.
7347/// This is used for mapping:
7348/// %xmm4 = V_SET0
7349/// to:
7350/// %xmm4 = PXORrr %xmm4<undef>, %xmm4<undef>
7351///
7352static bool Expand2AddrUndef(MachineInstrBuilder &MIB,
7353 const MCInstrDesc &Desc) {
7354 assert(Desc.getNumOperands() == 3 && "Expected two-addr instruction.")((Desc.getNumOperands() == 3 && "Expected two-addr instruction."
) ? static_cast<void> (0) : __assert_fail ("Desc.getNumOperands() == 3 && \"Expected two-addr instruction.\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 7354, __PRETTY_FUNCTION__))
;
7355 unsigned Reg = MIB->getOperand(0).getReg();
7356 MIB->setDesc(Desc);
7357
7358 // MachineInstr::addOperand() will insert explicit operands before any
7359 // implicit operands.
7360 MIB.addReg(Reg, RegState::Undef).addReg(Reg, RegState::Undef);
7361 // But we don't trust that.
7362 assert(MIB->getOperand(1).getReg() == Reg &&((MIB->getOperand(1).getReg() == Reg && MIB->getOperand
(2).getReg() == Reg && "Misplaced operand") ? static_cast
<void> (0) : __assert_fail ("MIB->getOperand(1).getReg() == Reg && MIB->getOperand(2).getReg() == Reg && \"Misplaced operand\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 7363, __PRETTY_FUNCTION__))
7363 MIB->getOperand(2).getReg() == Reg && "Misplaced operand")((MIB->getOperand(1).getReg() == Reg && MIB->getOperand
(2).getReg() == Reg && "Misplaced operand") ? static_cast
<void> (0) : __assert_fail ("MIB->getOperand(1).getReg() == Reg && MIB->getOperand(2).getReg() == Reg && \"Misplaced operand\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 7363, __PRETTY_FUNCTION__))
;
7364 return true;
7365}
7366
7367/// Expand a single-def pseudo instruction to a two-addr
7368/// instruction with two %k0 reads.
7369/// This is used for mapping:
7370/// %k4 = K_SET1
7371/// to:
7372/// %k4 = KXNORrr %k0, %k0
7373static bool Expand2AddrKreg(MachineInstrBuilder &MIB,
7374 const MCInstrDesc &Desc, unsigned Reg) {
7375 assert(Desc.getNumOperands() == 3 && "Expected two-addr instruction.")((Desc.getNumOperands() == 3 && "Expected two-addr instruction."
) ? static_cast<void> (0) : __assert_fail ("Desc.getNumOperands() == 3 && \"Expected two-addr instruction.\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 7375, __PRETTY_FUNCTION__))
;
7376 MIB->setDesc(Desc);
7377 MIB.addReg(Reg, RegState::Undef).addReg(Reg, RegState::Undef);
7378 return true;
7379}
7380
7381static bool expandMOV32r1(MachineInstrBuilder &MIB, const TargetInstrInfo &TII,
7382 bool MinusOne) {
7383 MachineBasicBlock &MBB = *MIB->getParent();
7384 DebugLoc DL = MIB->getDebugLoc();
7385 unsigned Reg = MIB->getOperand(0).getReg();
7386
7387 // Insert the XOR.
7388 BuildMI(MBB, MIB.getInstr(), DL, TII.get(X86::XOR32rr), Reg)
7389 .addReg(Reg, RegState::Undef)
7390 .addReg(Reg, RegState::Undef);
7391
7392 // Turn the pseudo into an INC or DEC.
7393 MIB->setDesc(TII.get(MinusOne ? X86::DEC32r : X86::INC32r));
7394 MIB.addReg(Reg);
7395
7396 return true;
7397}
7398
7399static bool ExpandMOVImmSExti8(MachineInstrBuilder &MIB,
7400 const TargetInstrInfo &TII,
7401 const X86Subtarget &Subtarget) {
7402 MachineBasicBlock &MBB = *MIB->getParent();
7403 DebugLoc DL = MIB->getDebugLoc();
7404 int64_t Imm = MIB->getOperand(1).getImm();
7405 assert(Imm != 0 && "Using push/pop for 0 is not efficient.")((Imm != 0 && "Using push/pop for 0 is not efficient."
) ? static_cast<void> (0) : __assert_fail ("Imm != 0 && \"Using push/pop for 0 is not efficient.\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 7405, __PRETTY_FUNCTION__))
;
7406 MachineBasicBlock::iterator I = MIB.getInstr();
7407
7408 int StackAdjustment;
7409
7410 if (Subtarget.is64Bit()) {
7411 assert(MIB->getOpcode() == X86::MOV64ImmSExti8 ||((MIB->getOpcode() == X86::MOV64ImmSExti8 || MIB->getOpcode
() == X86::MOV32ImmSExti8) ? static_cast<void> (0) : __assert_fail
("MIB->getOpcode() == X86::MOV64ImmSExti8 || MIB->getOpcode() == X86::MOV32ImmSExti8"
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 7412, __PRETTY_FUNCTION__))
7412 MIB->getOpcode() == X86::MOV32ImmSExti8)((MIB->getOpcode() == X86::MOV64ImmSExti8 || MIB->getOpcode
() == X86::MOV32ImmSExti8) ? static_cast<void> (0) : __assert_fail
("MIB->getOpcode() == X86::MOV64ImmSExti8 || MIB->getOpcode() == X86::MOV32ImmSExti8"
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 7412, __PRETTY_FUNCTION__))
;
7413
7414 // Can't use push/pop lowering if the function might write to the red zone.
7415 X86MachineFunctionInfo *X86FI =
7416 MBB.getParent()->getInfo<X86MachineFunctionInfo>();
7417 if (X86FI->getUsesRedZone()) {
7418 MIB->setDesc(TII.get(MIB->getOpcode() ==
7419 X86::MOV32ImmSExti8 ? X86::MOV32ri : X86::MOV64ri));
7420 return true;
7421 }
7422
7423 // 64-bit mode doesn't have 32-bit push/pop, so use 64-bit operations and
7424 // widen the register if necessary.
7425 StackAdjustment = 8;
7426 BuildMI(MBB, I, DL, TII.get(X86::PUSH64i8)).addImm(Imm);
7427 MIB->setDesc(TII.get(X86::POP64r));
7428 MIB->getOperand(0)
7429 .setReg(getX86SubSuperRegister(MIB->getOperand(0).getReg(), 64));
7430 } else {
7431 assert(MIB->getOpcode() == X86::MOV32ImmSExti8)((MIB->getOpcode() == X86::MOV32ImmSExti8) ? static_cast<
void> (0) : __assert_fail ("MIB->getOpcode() == X86::MOV32ImmSExti8"
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 7431, __PRETTY_FUNCTION__))
;
7432 StackAdjustment = 4;
7433 BuildMI(MBB, I, DL, TII.get(X86::PUSH32i8)).addImm(Imm);
7434 MIB->setDesc(TII.get(X86::POP32r));
7435 }
7436
7437 // Build CFI if necessary.
7438 MachineFunction &MF = *MBB.getParent();
7439 const X86FrameLowering *TFL = Subtarget.getFrameLowering();
7440 bool IsWin64Prologue = MF.getTarget().getMCAsmInfo()->usesWindowsCFI();
7441 bool NeedsDwarfCFI =
7442 !IsWin64Prologue &&
7443 (MF.getMMI().hasDebugInfo() || MF.getFunction()->needsUnwindTableEntry());
7444 bool EmitCFI = !TFL->hasFP(MF) && NeedsDwarfCFI;
7445 if (EmitCFI) {
7446 TFL->BuildCFI(MBB, I, DL,
7447 MCCFIInstruction::createAdjustCfaOffset(nullptr, StackAdjustment));
7448 TFL->BuildCFI(MBB, std::next(I), DL,
7449 MCCFIInstruction::createAdjustCfaOffset(nullptr, -StackAdjustment));
7450 }
7451
7452 return true;
7453}
7454
7455// LoadStackGuard has so far only been implemented for 64-bit MachO. Different
7456// code sequence is needed for other targets.
7457static void expandLoadStackGuard(MachineInstrBuilder &MIB,
7458 const TargetInstrInfo &TII) {
7459 MachineBasicBlock &MBB = *MIB->getParent();
7460 DebugLoc DL = MIB->getDebugLoc();
7461 unsigned Reg = MIB->getOperand(0).getReg();
7462 const GlobalValue *GV =
7463 cast<GlobalValue>((*MIB->memoperands_begin())->getValue());
7464 auto Flags = MachineMemOperand::MOLoad |
7465 MachineMemOperand::MODereferenceable |
7466 MachineMemOperand::MOInvariant;
7467 MachineMemOperand *MMO = MBB.getParent()->getMachineMemOperand(
7468 MachinePointerInfo::getGOT(*MBB.getParent()), Flags, 8, 8);
7469 MachineBasicBlock::iterator I = MIB.getInstr();
7470
7471 BuildMI(MBB, I, DL, TII.get(X86::MOV64rm), Reg).addReg(X86::RIP).addImm(1)
7472 .addReg(0).addGlobalAddress(GV, 0, X86II::MO_GOTPCREL).addReg(0)
7473 .addMemOperand(MMO);
7474 MIB->setDebugLoc(DL);
7475 MIB->setDesc(TII.get(X86::MOV64rm));
7476 MIB.addReg(Reg, RegState::Kill).addImm(1).addReg(0).addImm(0).addReg(0);
7477}
7478
7479// This is used to handle spills for 128/256-bit registers when we have AVX512,
7480// but not VLX. If it uses an extended register we need to use an instruction
7481// that loads the lower 128/256-bit, but is available with only AVX512F.
7482static bool expandNOVLXLoad(MachineInstrBuilder &MIB,
7483 const TargetRegisterInfo *TRI,
7484 const MCInstrDesc &LoadDesc,
7485 const MCInstrDesc &BroadcastDesc,
7486 unsigned SubIdx) {
7487 unsigned DestReg = MIB->getOperand(0).getReg();
7488 // Check if DestReg is XMM16-31 or YMM16-31.
7489 if (TRI->getEncodingValue(DestReg) < 16) {
7490 // We can use a normal VEX encoded load.
7491 MIB->setDesc(LoadDesc);
7492 } else {
7493 // Use a 128/256-bit VBROADCAST instruction.
7494 MIB->setDesc(BroadcastDesc);
7495 // Change the destination to a 512-bit register.
7496 DestReg = TRI->getMatchingSuperReg(DestReg, SubIdx, &X86::VR512RegClass);
7497 MIB->getOperand(0).setReg(DestReg);
7498 }
7499 return true;
7500}
7501
7502// This is used to handle spills for 128/256-bit registers when we have AVX512,
7503// but not VLX. If it uses an extended register we need to use an instruction
7504// that stores the lower 128/256-bit, but is available with only AVX512F.
7505static bool expandNOVLXStore(MachineInstrBuilder &MIB,
7506 const TargetRegisterInfo *TRI,
7507 const MCInstrDesc &StoreDesc,
7508 const MCInstrDesc &ExtractDesc,
7509 unsigned SubIdx) {
7510 unsigned SrcReg = MIB->getOperand(X86::AddrNumOperands).getReg();
7511 // Check if DestReg is XMM16-31 or YMM16-31.
7512 if (TRI->getEncodingValue(SrcReg) < 16) {
7513 // We can use a normal VEX encoded store.
7514 MIB->setDesc(StoreDesc);
7515 } else {
7516 // Use a VEXTRACTF instruction.
7517 MIB->setDesc(ExtractDesc);
7518 // Change the destination to a 512-bit register.
7519 SrcReg = TRI->getMatchingSuperReg(SrcReg, SubIdx, &X86::VR512RegClass);
7520 MIB->getOperand(X86::AddrNumOperands).setReg(SrcReg);
7521 MIB.addImm(0x0); // Append immediate to extract from the lower bits.
7522 }
7523
7524 return true;
7525}
7526bool X86InstrInfo::expandPostRAPseudo(MachineInstr &MI) const {
7527 bool HasAVX = Subtarget.hasAVX();
7528 MachineInstrBuilder MIB(*MI.getParent()->getParent(), MI);
7529 switch (MI.getOpcode()) {
7530 case X86::MOV32r0:
7531 return Expand2AddrUndef(MIB, get(X86::XOR32rr));
7532 case X86::MOV32r1:
7533 return expandMOV32r1(MIB, *this, /*MinusOne=*/ false);
7534 case X86::MOV32r_1:
7535 return expandMOV32r1(MIB, *this, /*MinusOne=*/ true);
7536 case X86::MOV32ImmSExti8:
7537 case X86::MOV64ImmSExti8:
7538 return ExpandMOVImmSExti8(MIB, *this, Subtarget);
7539 case X86::SETB_C8r:
7540 return Expand2AddrUndef(MIB, get(X86::SBB8rr));
7541 case X86::SETB_C16r:
7542 return Expand2AddrUndef(MIB, get(X86::SBB16rr));
7543 case X86::SETB_C32r:
7544 return Expand2AddrUndef(MIB, get(X86::SBB32rr));
7545 case X86::SETB_C64r:
7546 return Expand2AddrUndef(MIB, get(X86::SBB64rr));
7547 case X86::V_SET0:
7548 case X86::FsFLD0SS:
7549 case X86::FsFLD0SD:
7550 return Expand2AddrUndef(MIB, get(HasAVX ? X86::VXORPSrr : X86::XORPSrr));
7551 case X86::AVX_SET0:
7552 assert(HasAVX && "AVX not supported")((HasAVX && "AVX not supported") ? static_cast<void
> (0) : __assert_fail ("HasAVX && \"AVX not supported\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 7552, __PRETTY_FUNCTION__))
;
7553 return Expand2AddrUndef(MIB, get(X86::VXORPSYrr));
7554 case X86::AVX512_128_SET0:
7555 case X86::AVX512_FsFLD0SS:
7556 case X86::AVX512_FsFLD0SD: {
7557 bool HasVLX = Subtarget.hasVLX();
7558 unsigned SrcReg = MIB->getOperand(0).getReg();
7559 const TargetRegisterInfo *TRI = &getRegisterInfo();
7560 if (HasVLX || TRI->getEncodingValue(SrcReg) < 16)
7561 return Expand2AddrUndef(MIB,
7562 get(HasVLX ? X86::VPXORDZ128rr : X86::VXORPSrr));
7563 // Extended register without VLX. Use a larger XOR.
7564 SrcReg = TRI->getMatchingSuperReg(SrcReg, X86::sub_xmm, &X86::VR512RegClass);
7565 MIB->getOperand(0).setReg(SrcReg);
7566 return Expand2AddrUndef(MIB, get(X86::VPXORDZrr));
7567 }
7568 case X86::AVX512_256_SET0: {
7569 bool HasVLX = Subtarget.hasVLX();
7570 unsigned SrcReg = MIB->getOperand(0).getReg();
7571 const TargetRegisterInfo *TRI = &getRegisterInfo();
7572 if (HasVLX || TRI->getEncodingValue(SrcReg) < 16)
7573 return Expand2AddrUndef(MIB,
7574 get(HasVLX ? X86::VPXORDZ256rr : X86::VXORPSYrr));
7575 // Extended register without VLX. Use a larger XOR.
7576 SrcReg = TRI->getMatchingSuperReg(SrcReg, X86::sub_ymm, &X86::VR512RegClass);
7577 MIB->getOperand(0).setReg(SrcReg);
7578 return Expand2AddrUndef(MIB, get(X86::VPXORDZrr));
7579 }
7580 case X86::AVX512_512_SET0:
7581 return Expand2AddrUndef(MIB, get(X86::VPXORDZrr));
7582 case X86::V_SETALLONES:
7583 return Expand2AddrUndef(MIB, get(HasAVX ? X86::VPCMPEQDrr : X86::PCMPEQDrr));
7584 case X86::AVX2_SETALLONES:
7585 return Expand2AddrUndef(MIB, get(X86::VPCMPEQDYrr));
7586 case X86::AVX512_512_SETALLONES: {
7587 unsigned Reg = MIB->getOperand(0).getReg();
7588 MIB->setDesc(get(X86::VPTERNLOGDZrri));
7589 // VPTERNLOGD needs 3 register inputs and an immediate.
7590 // 0xff will return 1s for any input.
7591 MIB.addReg(Reg, RegState::Undef).addReg(Reg, RegState::Undef)
7592 .addReg(Reg, RegState::Undef).addImm(0xff);
7593 return true;
7594 }
7595 case X86::AVX512_512_SEXT_MASK_32:
7596 case X86::AVX512_512_SEXT_MASK_64: {
7597 unsigned Reg = MIB->getOperand(0).getReg();
7598 unsigned MaskReg = MIB->getOperand(1).getReg();
7599 unsigned MaskState = getRegState(MIB->getOperand(1));
7600 unsigned Opc = (MI.getOpcode() == X86::AVX512_512_SEXT_MASK_64) ?
7601 X86::VPTERNLOGQZrrikz : X86::VPTERNLOGDZrrikz;
7602 MI.RemoveOperand(1);
7603 MIB->setDesc(get(Opc));
7604 // VPTERNLOG needs 3 register inputs and an immediate.
7605 // 0xff will return 1s for any input.
7606 MIB.addReg(Reg, RegState::Undef).addReg(MaskReg, MaskState)
7607 .addReg(Reg, RegState::Undef).addReg(Reg, RegState::Undef).addImm(0xff);
7608 return true;
7609 }
7610 case X86::VMOVAPSZ128rm_NOVLX:
7611 return expandNOVLXLoad(MIB, &getRegisterInfo(), get(X86::VMOVAPSrm),
7612 get(X86::VBROADCASTF32X4rm), X86::sub_xmm);
7613 case X86::VMOVUPSZ128rm_NOVLX:
7614 return expandNOVLXLoad(MIB, &getRegisterInfo(), get(X86::VMOVUPSrm),
7615 get(X86::VBROADCASTF32X4rm), X86::sub_xmm);
7616 case X86::VMOVAPSZ256rm_NOVLX:
7617 return expandNOVLXLoad(MIB, &getRegisterInfo(), get(X86::VMOVAPSYrm),
7618 get(X86::VBROADCASTF64X4rm), X86::sub_ymm);
7619 case X86::VMOVUPSZ256rm_NOVLX:
7620 return expandNOVLXLoad(MIB, &getRegisterInfo(), get(X86::VMOVUPSYrm),
7621 get(X86::VBROADCASTF64X4rm), X86::sub_ymm);
7622 case X86::VMOVAPSZ128mr_NOVLX:
7623 return expandNOVLXStore(MIB, &getRegisterInfo(), get(X86::VMOVAPSmr),
7624 get(X86::VEXTRACTF32x4Zmr), X86::sub_xmm);
7625 case X86::VMOVUPSZ128mr_NOVLX:
7626 return expandNOVLXStore(MIB, &getRegisterInfo(), get(X86::VMOVUPSmr),
7627 get(X86::VEXTRACTF32x4Zmr), X86::sub_xmm);
7628 case X86::VMOVAPSZ256mr_NOVLX:
7629 return expandNOVLXStore(MIB, &getRegisterInfo(), get(X86::VMOVAPSYmr),
7630 get(X86::VEXTRACTF64x4Zmr), X86::sub_ymm);
7631 case X86::VMOVUPSZ256mr_NOVLX:
7632 return expandNOVLXStore(MIB, &getRegisterInfo(), get(X86::VMOVUPSYmr),
7633 get(X86::VEXTRACTF64x4Zmr), X86::sub_ymm);
7634 case X86::TEST8ri_NOREX:
7635 MI.setDesc(get(X86::TEST8ri));
7636 return true;
7637 case X86::MOV32ri64:
7638 MI.setDesc(get(X86::MOV32ri));
7639 return true;
7640
7641 // KNL does not recognize dependency-breaking idioms for mask registers,
7642 // so kxnor %k1, %k1, %k2 has a RAW dependence on %k1.
7643 // Using %k0 as the undef input register is a performance heuristic based
7644 // on the assumption that %k0 is used less frequently than the other mask
7645 // registers, since it is not usable as a write mask.
7646 // FIXME: A more advanced approach would be to choose the best input mask
7647 // register based on context.
7648 case X86::KSET0W: return Expand2AddrKreg(MIB, get(X86::KXORWrr), X86::K0);
7649 case X86::KSET0D: return Expand2AddrKreg(MIB, get(X86::KXORDrr), X86::K0);
7650 case X86::KSET0Q: return Expand2AddrKreg(MIB, get(X86::KXORQrr), X86::K0);
7651 case X86::KSET1W: return Expand2AddrKreg(MIB, get(X86::KXNORWrr), X86::K0);
7652 case X86::KSET1D: return Expand2AddrKreg(MIB, get(X86::KXNORDrr), X86::K0);
7653 case X86::KSET1Q: return Expand2AddrKreg(MIB, get(X86::KXNORQrr), X86::K0);
7654 case TargetOpcode::LOAD_STACK_GUARD:
7655 expandLoadStackGuard(MIB, *this);
7656 return true;
7657 }
7658 return false;
7659}
7660
7661static void addOperands(MachineInstrBuilder &MIB, ArrayRef<MachineOperand> MOs,
7662 int PtrOffset = 0) {
7663 unsigned NumAddrOps = MOs.size();
7664
7665 if (NumAddrOps < 4) {
7666 // FrameIndex only - add an immediate offset (whether its zero or not).
7667 for (unsigned i = 0; i != NumAddrOps; ++i)
7668 MIB.add(MOs[i]);
7669 addOffset(MIB, PtrOffset);
7670 } else {
7671 // General Memory Addressing - we need to add any offset to an existing
7672 // offset.
7673 assert(MOs.size() == 5 && "Unexpected memory operand list length")((MOs.size() == 5 && "Unexpected memory operand list length"
) ? static_cast<void> (0) : __assert_fail ("MOs.size() == 5 && \"Unexpected memory operand list length\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 7673, __PRETTY_FUNCTION__))
;
7674 for (unsigned i = 0; i != NumAddrOps; ++i) {
7675 const MachineOperand &MO = MOs[i];
7676 if (i == 3 && PtrOffset != 0) {
7677 MIB.addDisp(MO, PtrOffset);
7678 } else {
7679 MIB.add(MO);
7680 }
7681 }
7682 }
7683}
7684
7685static MachineInstr *FuseTwoAddrInst(MachineFunction &MF, unsigned Opcode,
7686 ArrayRef<MachineOperand> MOs,
7687 MachineBasicBlock::iterator InsertPt,
7688 MachineInstr &MI,
7689 const TargetInstrInfo &TII) {
7690 // Create the base instruction with the memory operand as the first part.
7691 // Omit the implicit operands, something BuildMI can't do.
7692 MachineInstr *NewMI =
7693 MF.CreateMachineInstr(TII.get(Opcode), MI.getDebugLoc(), true);
7694 MachineInstrBuilder MIB(MF, NewMI);
7695 addOperands(MIB, MOs);
7696
7697 // Loop over the rest of the ri operands, converting them over.
7698 unsigned NumOps = MI.getDesc().getNumOperands() - 2;
7699 for (unsigned i = 0; i != NumOps; ++i) {
7700 MachineOperand &MO = MI.getOperand(i + 2);
7701 MIB.add(MO);
7702 }
7703 for (unsigned i = NumOps + 2, e = MI.getNumOperands(); i != e; ++i) {
7704 MachineOperand &MO = MI.getOperand(i);
7705 MIB.add(MO);
7706 }
7707
7708 MachineBasicBlock *MBB = InsertPt->getParent();
7709 MBB->insert(InsertPt, NewMI);
7710
7711 return MIB;
7712}
7713
7714static MachineInstr *FuseInst(MachineFunction &MF, unsigned Opcode,
7715 unsigned OpNo, ArrayRef<MachineOperand> MOs,
7716 MachineBasicBlock::iterator InsertPt,
7717 MachineInstr &MI, const TargetInstrInfo &TII,
7718 int PtrOffset = 0) {
7719 // Omit the implicit operands, something BuildMI can't do.
7720 MachineInstr *NewMI =
7721 MF.CreateMachineInstr(TII.get(Opcode), MI.getDebugLoc(), true);
7722 MachineInstrBuilder MIB(MF, NewMI);
7723
7724 for (unsigned i = 0, e = MI.getNumOperands(); i != e; ++i) {
7725 MachineOperand &MO = MI.getOperand(i);
7726 if (i == OpNo) {
7727 assert(MO.isReg() && "Expected to fold into reg operand!")((MO.isReg() && "Expected to fold into reg operand!")
? static_cast<void> (0) : __assert_fail ("MO.isReg() && \"Expected to fold into reg operand!\""
, "/tmp/buildd/llvm-toolchain-snapshot-5.0~svn301389/lib/Target/X86/X86InstrInfo.cpp"
, 7727, __PRETTY_FUNCTION__))
;
7728 addOperands(MIB, MOs, PtrOffset);
7729 } else {
7730 MIB.add(MO);
7731 }
7732 }
7733
7734 MachineBasicBlock *MBB = InsertPt->getParent();