1 //===-- X86InstrInfo.td - Main X86 Instruction Definition --*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the X86 instruction set, defining the instructions, and
11 // properties of the instructions which are needed for code generation, machine
12 // code emission, and analysis.
14 //===----------------------------------------------------------------------===//
16 //===----------------------------------------------------------------------===//
17 // X86 specific DAG Nodes.
20 def SDTIntShiftDOp: SDTypeProfile<1, 3,
21 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
22 SDTCisInt<0>, SDTCisInt<3>]>;
24 def SDTX86CmpTest : SDTypeProfile<1, 2, [SDTCisVT<0, i32>, SDTCisSameAs<1, 2>]>;
26 def SDTX86Cmps : SDTypeProfile<1, 3, [SDTCisFP<0>, SDTCisSameAs<1, 2>, SDTCisVT<3, i8>]>;
27 //def SDTX86Cmpss : SDTypeProfile<1, 3, [SDTCisVT<0, f32>, SDTCisSameAs<1, 2>, SDTCisVT<3, i8>]>;
29 def SDTX86Cmov : SDTypeProfile<1, 4,
30 [SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>,
31 SDTCisVT<3, i8>, SDTCisVT<4, i32>]>;
33 // Unary and binary operator instructions that set EFLAGS as a side-effect.
34 def SDTUnaryArithWithFlags : SDTypeProfile<2, 1,
35 [SDTCisInt<0>, SDTCisVT<1, i32>]>;
37 def SDTBinaryArithWithFlags : SDTypeProfile<2, 2,
40 SDTCisInt<0>, SDTCisVT<1, i32>]>;
42 // SDTBinaryArithWithFlagsInOut - RES1, EFLAGS = op LHS, RHS, EFLAGS
43 def SDTBinaryArithWithFlagsInOut : SDTypeProfile<2, 3,
49 // RES1, RES2, FLAGS = op LHS, RHS
50 def SDT2ResultBinaryArithWithFlags : SDTypeProfile<3, 2,
54 SDTCisInt<0>, SDTCisVT<1, i32>]>;
55 def SDTX86BrCond : SDTypeProfile<0, 3,
56 [SDTCisVT<0, OtherVT>,
57 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
59 def SDTX86SetCC : SDTypeProfile<1, 2,
61 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
62 def SDTX86SetCC_C : SDTypeProfile<1, 2,
64 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
66 def SDTX86sahf : SDTypeProfile<1, 1, [SDTCisVT<0, i32>, SDTCisVT<1, i8>]>;
68 def SDTX86rdrand : SDTypeProfile<2, 0, [SDTCisInt<0>, SDTCisVT<1, i32>]>;
70 def SDTX86cas : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisInt<1>,
72 def SDTX86caspair : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
74 def SDTX86atomicBinary : SDTypeProfile<2, 3, [SDTCisInt<0>, SDTCisInt<1>,
75 SDTCisPtrTy<2>, SDTCisInt<3>,SDTCisInt<4>]>;
76 def SDTX86Ret : SDTypeProfile<0, -1, [SDTCisVT<0, i16>]>;
78 def SDT_X86CallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
79 def SDT_X86CallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>,
82 def SDT_X86Call : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>;
84 def SDT_X86VASTART_SAVE_XMM_REGS : SDTypeProfile<0, -1, [SDTCisVT<0, i8>,
88 def SDT_X86VAARG_64 : SDTypeProfile<1, -1, [SDTCisPtrTy<0>,
94 def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
96 def SDTX86Void : SDTypeProfile<0, 0, []>;
98 def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
100 def SDT_X86TLSADDR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
102 def SDT_X86TLSBASEADDR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
104 def SDT_X86TLSCALL : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
106 def SDT_X86SEG_ALLOCA : SDTypeProfile<1, 1, [SDTCisVT<0, iPTR>, SDTCisVT<1, iPTR>]>;
108 def SDT_X86WIN_FTOL : SDTypeProfile<0, 1, [SDTCisFP<0>]>;
110 def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
112 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
114 def SDT_X86MEMBARRIER : SDTypeProfile<0, 0, []>;
116 def X86MemBarrier : SDNode<"X86ISD::MEMBARRIER", SDT_X86MEMBARRIER,
117 [SDNPHasChain,SDNPSideEffect]>;
118 def X86MFence : SDNode<"X86ISD::MFENCE", SDT_X86MEMBARRIER,
120 def X86SFence : SDNode<"X86ISD::SFENCE", SDT_X86MEMBARRIER,
122 def X86LFence : SDNode<"X86ISD::LFENCE", SDT_X86MEMBARRIER,
126 def X86bsf : SDNode<"X86ISD::BSF", SDTUnaryArithWithFlags>;
127 def X86bsr : SDNode<"X86ISD::BSR", SDTUnaryArithWithFlags>;
128 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
129 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
131 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
132 def X86bt : SDNode<"X86ISD::BT", SDTX86CmpTest>;
134 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
135 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
137 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
138 def X86setcc_c : SDNode<"X86ISD::SETCC_CARRY", SDTX86SetCC_C>;
140 def X86sahf : SDNode<"X86ISD::SAHF", SDTX86sahf>;
142 def X86rdrand : SDNode<"X86ISD::RDRAND", SDTX86rdrand,
143 [SDNPHasChain, SDNPSideEffect]>;
145 def X86rdseed : SDNode<"X86ISD::RDSEED", SDTX86rdrand,
146 [SDNPHasChain, SDNPSideEffect]>;
148 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
149 [SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
150 SDNPMayLoad, SDNPMemOperand]>;
151 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86caspair,
152 [SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
153 SDNPMayLoad, SDNPMemOperand]>;
154 def X86cas16 : SDNode<"X86ISD::LCMPXCHG16_DAG", SDTX86caspair,
155 [SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
156 SDNPMayLoad, SDNPMemOperand]>;
158 def X86AtomAdd64 : SDNode<"X86ISD::ATOMADD64_DAG", SDTX86atomicBinary,
159 [SDNPHasChain, SDNPMayStore,
160 SDNPMayLoad, SDNPMemOperand]>;
161 def X86AtomSub64 : SDNode<"X86ISD::ATOMSUB64_DAG", SDTX86atomicBinary,
162 [SDNPHasChain, SDNPMayStore,
163 SDNPMayLoad, SDNPMemOperand]>;
164 def X86AtomOr64 : SDNode<"X86ISD::ATOMOR64_DAG", SDTX86atomicBinary,
165 [SDNPHasChain, SDNPMayStore,
166 SDNPMayLoad, SDNPMemOperand]>;
167 def X86AtomXor64 : SDNode<"X86ISD::ATOMXOR64_DAG", SDTX86atomicBinary,
168 [SDNPHasChain, SDNPMayStore,
169 SDNPMayLoad, SDNPMemOperand]>;
170 def X86AtomAnd64 : SDNode<"X86ISD::ATOMAND64_DAG", SDTX86atomicBinary,
171 [SDNPHasChain, SDNPMayStore,
172 SDNPMayLoad, SDNPMemOperand]>;
173 def X86AtomNand64 : SDNode<"X86ISD::ATOMNAND64_DAG", SDTX86atomicBinary,
174 [SDNPHasChain, SDNPMayStore,
175 SDNPMayLoad, SDNPMemOperand]>;
176 def X86AtomSwap64 : SDNode<"X86ISD::ATOMSWAP64_DAG", SDTX86atomicBinary,
177 [SDNPHasChain, SDNPMayStore,
178 SDNPMayLoad, SDNPMemOperand]>;
179 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
180 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
182 def X86vastart_save_xmm_regs :
183 SDNode<"X86ISD::VASTART_SAVE_XMM_REGS",
184 SDT_X86VASTART_SAVE_XMM_REGS,
185 [SDNPHasChain, SDNPVariadic]>;
187 SDNode<"X86ISD::VAARG_64", SDT_X86VAARG_64,
188 [SDNPHasChain, SDNPMayLoad, SDNPMayStore,
190 def X86callseq_start :
191 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
192 [SDNPHasChain, SDNPOutGlue]>;
194 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
195 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
197 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
198 [SDNPHasChain, SDNPOutGlue, SDNPOptInGlue,
201 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
202 [SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore]>;
203 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
204 [SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
207 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG", SDTX86Void,
208 [SDNPHasChain, SDNPOutGlue, SDNPSideEffect]>;
210 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
211 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
213 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
214 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
216 def X86tlsbaseaddr : SDNode<"X86ISD::TLSBASEADDR", SDT_X86TLSBASEADDR,
217 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
219 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
222 def X86eh_sjlj_setjmp : SDNode<"X86ISD::EH_SJLJ_SETJMP",
223 SDTypeProfile<1, 1, [SDTCisInt<0>,
225 [SDNPHasChain, SDNPSideEffect]>;
226 def X86eh_sjlj_longjmp : SDNode<"X86ISD::EH_SJLJ_LONGJMP",
227 SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>,
228 [SDNPHasChain, SDNPSideEffect]>;
230 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
231 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
233 def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags,
235 def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
236 def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags,
238 def X86umul_flag : SDNode<"X86ISD::UMUL", SDT2ResultBinaryArithWithFlags,
240 def X86adc_flag : SDNode<"X86ISD::ADC", SDTBinaryArithWithFlagsInOut>;
241 def X86sbb_flag : SDNode<"X86ISD::SBB", SDTBinaryArithWithFlagsInOut>;
243 def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>;
244 def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>;
245 def X86or_flag : SDNode<"X86ISD::OR", SDTBinaryArithWithFlags,
247 def X86xor_flag : SDNode<"X86ISD::XOR", SDTBinaryArithWithFlags,
249 def X86and_flag : SDNode<"X86ISD::AND", SDTBinaryArithWithFlags,
252 def X86blsi : SDNode<"X86ISD::BLSI", SDTIntUnaryOp>;
253 def X86blsmsk : SDNode<"X86ISD::BLSMSK", SDTIntUnaryOp>;
254 def X86blsr : SDNode<"X86ISD::BLSR", SDTIntUnaryOp>;
255 def X86bzhi : SDNode<"X86ISD::BZHI", SDTIntShiftOp>;
256 def X86bextr : SDNode<"X86ISD::BEXTR", SDTIntBinOp>;
258 def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
260 def X86WinAlloca : SDNode<"X86ISD::WIN_ALLOCA", SDTX86Void,
261 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
263 def X86SegAlloca : SDNode<"X86ISD::SEG_ALLOCA", SDT_X86SEG_ALLOCA,
266 def X86TLSCall : SDNode<"X86ISD::TLSCALL", SDT_X86TLSCALL,
267 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
269 def X86WinFTOL : SDNode<"X86ISD::WIN_FTOL", SDT_X86WIN_FTOL,
270 [SDNPHasChain, SDNPOutGlue]>;
272 //===----------------------------------------------------------------------===//
273 // X86 Operand Definitions.
276 // A version of ptr_rc which excludes SP, ESP, and RSP. This is used for
277 // the index operand of an address, to conform to x86 encoding restrictions.
278 def ptr_rc_nosp : PointerLikeRegClass<1>;
280 // *mem - Operand definitions for the funky X86 addressing mode operands.
282 def X86MemAsmOperand : AsmOperandClass {
285 def X86Mem8AsmOperand : AsmOperandClass {
286 let Name = "Mem8"; let RenderMethod = "addMemOperands";
288 def X86Mem16AsmOperand : AsmOperandClass {
289 let Name = "Mem16"; let RenderMethod = "addMemOperands";
291 def X86Mem32AsmOperand : AsmOperandClass {
292 let Name = "Mem32"; let RenderMethod = "addMemOperands";
294 def X86Mem64AsmOperand : AsmOperandClass {
295 let Name = "Mem64"; let RenderMethod = "addMemOperands";
297 def X86Mem80AsmOperand : AsmOperandClass {
298 let Name = "Mem80"; let RenderMethod = "addMemOperands";
300 def X86Mem128AsmOperand : AsmOperandClass {
301 let Name = "Mem128"; let RenderMethod = "addMemOperands";
303 def X86Mem256AsmOperand : AsmOperandClass {
304 let Name = "Mem256"; let RenderMethod = "addMemOperands";
306 def X86Mem512AsmOperand : AsmOperandClass {
307 let Name = "Mem512"; let RenderMethod = "addMemOperands";
310 // Gather mem operands
311 def X86MemVX32Operand : AsmOperandClass {
312 let Name = "MemVX32"; let RenderMethod = "addMemOperands";
314 def X86MemVY32Operand : AsmOperandClass {
315 let Name = "MemVY32"; let RenderMethod = "addMemOperands";
317 def X86MemVZ32Operand : AsmOperandClass {
318 let Name = "MemVZ32"; let RenderMethod = "addMemOperands";
320 def X86MemVX64Operand : AsmOperandClass {
321 let Name = "MemVX64"; let RenderMethod = "addMemOperands";
323 def X86MemVY64Operand : AsmOperandClass {
324 let Name = "MemVY64"; let RenderMethod = "addMemOperands";
326 def X86MemVZ64Operand : AsmOperandClass {
327 let Name = "MemVZ64"; let RenderMethod = "addMemOperands";
330 def X86AbsMemAsmOperand : AsmOperandClass {
332 let SuperClasses = [X86MemAsmOperand];
334 class X86MemOperand<string printMethod> : Operand<iPTR> {
335 let PrintMethod = printMethod;
336 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc_nosp, i32imm, i8imm);
337 let ParserMatchClass = X86MemAsmOperand;
340 let OperandType = "OPERAND_MEMORY" in {
341 def opaque32mem : X86MemOperand<"printopaquemem">;
342 def opaque48mem : X86MemOperand<"printopaquemem">;
343 def opaque80mem : X86MemOperand<"printopaquemem">;
344 def opaque512mem : X86MemOperand<"printopaquemem">;
346 def i8mem : X86MemOperand<"printi8mem"> {
347 let ParserMatchClass = X86Mem8AsmOperand; }
348 def i16mem : X86MemOperand<"printi16mem"> {
349 let ParserMatchClass = X86Mem16AsmOperand; }
350 def i32mem : X86MemOperand<"printi32mem"> {
351 let ParserMatchClass = X86Mem32AsmOperand; }
352 def i64mem : X86MemOperand<"printi64mem"> {
353 let ParserMatchClass = X86Mem64AsmOperand; }
354 def i128mem : X86MemOperand<"printi128mem"> {
355 let ParserMatchClass = X86Mem128AsmOperand; }
356 def i256mem : X86MemOperand<"printi256mem"> {
357 let ParserMatchClass = X86Mem256AsmOperand; }
358 def i512mem : X86MemOperand<"printi512mem"> {
359 let ParserMatchClass = X86Mem512AsmOperand; }
360 def f32mem : X86MemOperand<"printf32mem"> {
361 let ParserMatchClass = X86Mem32AsmOperand; }
362 def f64mem : X86MemOperand<"printf64mem"> {
363 let ParserMatchClass = X86Mem64AsmOperand; }
364 def f80mem : X86MemOperand<"printf80mem"> {
365 let ParserMatchClass = X86Mem80AsmOperand; }
366 def f128mem : X86MemOperand<"printf128mem"> {
367 let ParserMatchClass = X86Mem128AsmOperand; }
368 def f256mem : X86MemOperand<"printf256mem">{
369 let ParserMatchClass = X86Mem256AsmOperand; }
370 def f512mem : X86MemOperand<"printf512mem">{
371 let ParserMatchClass = X86Mem512AsmOperand; }
372 def v512mem : Operand<iPTR> {
373 let PrintMethod = "printf512mem";
374 let MIOperandInfo = (ops ptr_rc, i8imm, VR512, i32imm, i8imm);
375 let ParserMatchClass = X86Mem512AsmOperand; }
377 // Gather mem operands
378 def vx32mem : X86MemOperand<"printi32mem">{
379 let MIOperandInfo = (ops ptr_rc, i8imm, VR128, i32imm, i8imm);
380 let ParserMatchClass = X86MemVX32Operand; }
381 def vy32mem : X86MemOperand<"printi32mem">{
382 let MIOperandInfo = (ops ptr_rc, i8imm, VR256, i32imm, i8imm);
383 let ParserMatchClass = X86MemVY32Operand; }
384 def vx64mem : X86MemOperand<"printi64mem">{
385 let MIOperandInfo = (ops ptr_rc, i8imm, VR128, i32imm, i8imm);
386 let ParserMatchClass = X86MemVX64Operand; }
387 def vy64mem : X86MemOperand<"printi64mem">{
388 let MIOperandInfo = (ops ptr_rc, i8imm, VR256, i32imm, i8imm);
389 let ParserMatchClass = X86MemVY64Operand; }
390 def vy64xmem : X86MemOperand<"printi64mem">{
391 let MIOperandInfo = (ops ptr_rc, i8imm, VR256X, i32imm, i8imm);
392 let ParserMatchClass = X86MemVY64Operand; }
393 def vz32mem : X86MemOperand<"printi32mem">{
394 let MIOperandInfo = (ops ptr_rc, i16imm, VR512, i32imm, i8imm);
395 let ParserMatchClass = X86MemVZ32Operand; }
396 def vz64mem : X86MemOperand<"printi64mem">{
397 let MIOperandInfo = (ops ptr_rc, i8imm, VR512, i32imm, i8imm);
398 let ParserMatchClass = X86MemVZ64Operand; }
401 // A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
402 // plain GR64, so that it doesn't potentially require a REX prefix.
403 def i8mem_NOREX : Operand<i64> {
404 let PrintMethod = "printi8mem";
405 let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_NOREX_NOSP, i32imm, i8imm);
406 let ParserMatchClass = X86Mem8AsmOperand;
407 let OperandType = "OPERAND_MEMORY";
410 // GPRs available for tailcall.
411 // It represents GR32_TC, GR64_TC or GR64_TCW64.
412 def ptr_rc_tailcall : PointerLikeRegClass<2>;
414 // Special i32mem for addresses of load folding tail calls. These are not
415 // allowed to use callee-saved registers since they must be scheduled
416 // after callee-saved register are popped.
417 def i32mem_TC : Operand<i32> {
418 let PrintMethod = "printi32mem";
419 let MIOperandInfo = (ops ptr_rc_tailcall, i8imm, ptr_rc_tailcall,
421 let ParserMatchClass = X86Mem32AsmOperand;
422 let OperandType = "OPERAND_MEMORY";
425 // Special i64mem for addresses of load folding tail calls. These are not
426 // allowed to use callee-saved registers since they must be scheduled
427 // after callee-saved register are popped.
428 def i64mem_TC : Operand<i64> {
429 let PrintMethod = "printi64mem";
430 let MIOperandInfo = (ops ptr_rc_tailcall, i8imm,
431 ptr_rc_tailcall, i32imm, i8imm);
432 let ParserMatchClass = X86Mem64AsmOperand;
433 let OperandType = "OPERAND_MEMORY";
436 let OperandType = "OPERAND_PCREL",
437 ParserMatchClass = X86AbsMemAsmOperand,
438 PrintMethod = "printPCRelImm" in {
439 def i32imm_pcrel : Operand<i32>;
440 def i16imm_pcrel : Operand<i16>;
442 // Branch targets have OtherVT type and print as pc-relative values.
443 def brtarget : Operand<OtherVT>;
444 def brtarget8 : Operand<OtherVT>;
448 def X86SrcIdx8Operand : AsmOperandClass {
449 let Name = "SrcIdx8";
450 let RenderMethod = "addSrcIdxOperands";
451 let SuperClasses = [X86Mem8AsmOperand];
453 def X86SrcIdx16Operand : AsmOperandClass {
454 let Name = "SrcIdx16";
455 let RenderMethod = "addSrcIdxOperands";
456 let SuperClasses = [X86Mem16AsmOperand];
458 def X86SrcIdx32Operand : AsmOperandClass {
459 let Name = "SrcIdx32";
460 let RenderMethod = "addSrcIdxOperands";
461 let SuperClasses = [X86Mem32AsmOperand];
463 def X86SrcIdx64Operand : AsmOperandClass {
464 let Name = "SrcIdx64";
465 let RenderMethod = "addSrcIdxOperands";
466 let SuperClasses = [X86Mem64AsmOperand];
468 def X86DstIdx8Operand : AsmOperandClass {
469 let Name = "DstIdx8";
470 let RenderMethod = "addDstIdxOperands";
471 let SuperClasses = [X86Mem8AsmOperand];
473 def X86DstIdx16Operand : AsmOperandClass {
474 let Name = "DstIdx16";
475 let RenderMethod = "addDstIdxOperands";
476 let SuperClasses = [X86Mem16AsmOperand];
478 def X86DstIdx32Operand : AsmOperandClass {
479 let Name = "DstIdx32";
480 let RenderMethod = "addDstIdxOperands";
481 let SuperClasses = [X86Mem32AsmOperand];
483 def X86DstIdx64Operand : AsmOperandClass {
484 let Name = "DstIdx64";
485 let RenderMethod = "addDstIdxOperands";
486 let SuperClasses = [X86Mem64AsmOperand];
488 def X86MemOffs8AsmOperand : AsmOperandClass {
489 let Name = "MemOffs8";
490 let RenderMethod = "addMemOffsOperands";
491 let SuperClasses = [X86Mem8AsmOperand];
493 def X86MemOffs16AsmOperand : AsmOperandClass {
494 let Name = "MemOffs16";
495 let RenderMethod = "addMemOffsOperands";
496 let SuperClasses = [X86Mem16AsmOperand];
498 def X86MemOffs32AsmOperand : AsmOperandClass {
499 let Name = "MemOffs32";
500 let RenderMethod = "addMemOffsOperands";
501 let SuperClasses = [X86Mem32AsmOperand];
503 def X86MemOffs64AsmOperand : AsmOperandClass {
504 let Name = "MemOffs64";
505 let RenderMethod = "addMemOffsOperands";
506 let SuperClasses = [X86Mem64AsmOperand];
508 let OperandType = "OPERAND_MEMORY" in {
509 def srcidx8 : Operand<iPTR> {
510 let ParserMatchClass = X86SrcIdx8Operand;
511 let MIOperandInfo = (ops ptr_rc, i8imm);
512 let PrintMethod = "printSrcIdx8"; }
513 def srcidx16 : Operand<iPTR> {
514 let ParserMatchClass = X86SrcIdx16Operand;
515 let MIOperandInfo = (ops ptr_rc, i8imm);
516 let PrintMethod = "printSrcIdx16"; }
517 def srcidx32 : Operand<iPTR> {
518 let ParserMatchClass = X86SrcIdx32Operand;
519 let MIOperandInfo = (ops ptr_rc, i8imm);
520 let PrintMethod = "printSrcIdx32"; }
521 def srcidx64 : Operand<iPTR> {
522 let ParserMatchClass = X86SrcIdx64Operand;
523 let MIOperandInfo = (ops ptr_rc, i8imm);
524 let PrintMethod = "printSrcIdx64"; }
525 def dstidx8 : Operand<iPTR> {
526 let ParserMatchClass = X86DstIdx8Operand;
527 let MIOperandInfo = (ops ptr_rc);
528 let PrintMethod = "printDstIdx8"; }
529 def dstidx16 : Operand<iPTR> {
530 let ParserMatchClass = X86DstIdx16Operand;
531 let MIOperandInfo = (ops ptr_rc);
532 let PrintMethod = "printDstIdx16"; }
533 def dstidx32 : Operand<iPTR> {
534 let ParserMatchClass = X86DstIdx32Operand;
535 let MIOperandInfo = (ops ptr_rc);
536 let PrintMethod = "printDstIdx32"; }
537 def dstidx64 : Operand<iPTR> {
538 let ParserMatchClass = X86DstIdx64Operand;
539 let MIOperandInfo = (ops ptr_rc);
540 let PrintMethod = "printDstIdx64"; }
541 def offset8 : Operand<iPTR> {
542 let ParserMatchClass = X86MemOffs8AsmOperand;
543 let MIOperandInfo = (ops i64imm, i8imm);
544 let PrintMethod = "printMemOffs8"; }
545 def offset16 : Operand<iPTR> {
546 let ParserMatchClass = X86MemOffs16AsmOperand;
547 let MIOperandInfo = (ops i64imm, i8imm);
548 let PrintMethod = "printMemOffs16"; }
549 def offset32 : Operand<iPTR> {
550 let ParserMatchClass = X86MemOffs32AsmOperand;
551 let MIOperandInfo = (ops i64imm, i8imm);
552 let PrintMethod = "printMemOffs32"; }
553 def offset64 : Operand<iPTR> {
554 let ParserMatchClass = X86MemOffs64AsmOperand;
555 let MIOperandInfo = (ops i64imm, i8imm);
556 let PrintMethod = "printMemOffs64"; }
560 def SSECC : Operand<i8> {
561 let PrintMethod = "printSSECC";
562 let OperandType = "OPERAND_IMMEDIATE";
565 def AVXCC : Operand<i8> {
566 let PrintMethod = "printAVXCC";
567 let OperandType = "OPERAND_IMMEDIATE";
570 class ImmSExtAsmOperandClass : AsmOperandClass {
571 let SuperClasses = [ImmAsmOperand];
572 let RenderMethod = "addImmOperands";
575 class ImmZExtAsmOperandClass : AsmOperandClass {
576 let SuperClasses = [ImmAsmOperand];
577 let RenderMethod = "addImmOperands";
580 def X86GR32orGR64AsmOperand : AsmOperandClass {
581 let Name = "GR32orGR64";
584 def GR32orGR64 : RegisterOperand<GR32> {
585 let ParserMatchClass = X86GR32orGR64AsmOperand;
588 def AVX512RC : Operand<i32> {
589 let PrintMethod = "printRoundingControl";
590 let OperandType = "OPERAND_IMMEDIATE";
592 // Sign-extended immediate classes. We don't need to define the full lattice
593 // here because there is no instruction with an ambiguity between ImmSExti64i32
596 // The strange ranges come from the fact that the assembler always works with
597 // 64-bit immediates, but for a 16-bit target value we want to accept both "-1"
598 // (which will be a -1ULL), and "0xFF" (-1 in 16-bits).
601 // [0xFFFFFFFF80000000, 0xFFFFFFFFFFFFFFFF]
602 def ImmSExti64i32AsmOperand : ImmSExtAsmOperandClass {
603 let Name = "ImmSExti64i32";
606 // [0, 0x0000007F] | [0x000000000000FF80, 0x000000000000FFFF] |
607 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
608 def ImmSExti16i8AsmOperand : ImmSExtAsmOperandClass {
609 let Name = "ImmSExti16i8";
610 let SuperClasses = [ImmSExti64i32AsmOperand];
613 // [0, 0x0000007F] | [0x00000000FFFFFF80, 0x00000000FFFFFFFF] |
614 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
615 def ImmSExti32i8AsmOperand : ImmSExtAsmOperandClass {
616 let Name = "ImmSExti32i8";
620 def ImmZExtu32u8AsmOperand : ImmZExtAsmOperandClass {
621 let Name = "ImmZExtu32u8";
626 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
627 def ImmSExti64i8AsmOperand : ImmSExtAsmOperandClass {
628 let Name = "ImmSExti64i8";
629 let SuperClasses = [ImmSExti16i8AsmOperand, ImmSExti32i8AsmOperand,
630 ImmSExti64i32AsmOperand];
633 // A couple of more descriptive operand definitions.
634 // 16-bits but only 8 bits are significant.
635 def i16i8imm : Operand<i16> {
636 let ParserMatchClass = ImmSExti16i8AsmOperand;
637 let OperandType = "OPERAND_IMMEDIATE";
639 // 32-bits but only 8 bits are significant.
640 def i32i8imm : Operand<i32> {
641 let ParserMatchClass = ImmSExti32i8AsmOperand;
642 let OperandType = "OPERAND_IMMEDIATE";
644 // 32-bits but only 8 bits are significant, and those 8 bits are unsigned.
645 def u32u8imm : Operand<i32> {
646 let ParserMatchClass = ImmZExtu32u8AsmOperand;
647 let OperandType = "OPERAND_IMMEDIATE";
650 // 64-bits but only 32 bits are significant.
651 def i64i32imm : Operand<i64> {
652 let ParserMatchClass = ImmSExti64i32AsmOperand;
653 let OperandType = "OPERAND_IMMEDIATE";
656 // 64-bits but only 32 bits are significant, and those bits are treated as being
658 def i64i32imm_pcrel : Operand<i64> {
659 let PrintMethod = "printPCRelImm";
660 let ParserMatchClass = X86AbsMemAsmOperand;
661 let OperandType = "OPERAND_PCREL";
664 // 64-bits but only 8 bits are significant.
665 def i64i8imm : Operand<i64> {
666 let ParserMatchClass = ImmSExti64i8AsmOperand;
667 let OperandType = "OPERAND_IMMEDIATE";
670 def lea64_32mem : Operand<i32> {
671 let PrintMethod = "printi32mem";
672 let MIOperandInfo = (ops GR64, i8imm, GR64_NOSP, i32imm, i8imm);
673 let ParserMatchClass = X86MemAsmOperand;
676 // Memory operands that use 64-bit pointers in both ILP32 and LP64.
677 def lea64mem : Operand<i64> {
678 let PrintMethod = "printi64mem";
679 let MIOperandInfo = (ops GR64, i8imm, GR64_NOSP, i32imm, i8imm);
680 let ParserMatchClass = X86MemAsmOperand;
684 //===----------------------------------------------------------------------===//
685 // X86 Complex Pattern Definitions.
688 // Define X86 specific addressing mode.
689 def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], [SDNPWantParent]>;
690 def lea32addr : ComplexPattern<i32, 5, "SelectLEAAddr",
691 [add, sub, mul, X86mul_imm, shl, or, frameindex],
693 // In 64-bit mode 32-bit LEAs can use RIP-relative addressing.
694 def lea64_32addr : ComplexPattern<i32, 5, "SelectLEA64_32Addr",
695 [add, sub, mul, X86mul_imm, shl, or,
696 frameindex, X86WrapperRIP],
699 def tls32addr : ComplexPattern<i32, 5, "SelectTLSADDRAddr",
700 [tglobaltlsaddr], []>;
702 def tls32baseaddr : ComplexPattern<i32, 5, "SelectTLSADDRAddr",
703 [tglobaltlsaddr], []>;
705 def lea64addr : ComplexPattern<i64, 5, "SelectLEAAddr",
706 [add, sub, mul, X86mul_imm, shl, or, frameindex,
709 def tls64addr : ComplexPattern<i64, 5, "SelectTLSADDRAddr",
710 [tglobaltlsaddr], []>;
712 def tls64baseaddr : ComplexPattern<i64, 5, "SelectTLSADDRAddr",
713 [tglobaltlsaddr], []>;
715 //===----------------------------------------------------------------------===//
716 // X86 Instruction Predicate Definitions.
717 def HasCMov : Predicate<"Subtarget->hasCMov()">;
718 def NoCMov : Predicate<"!Subtarget->hasCMov()">;
720 def HasMMX : Predicate<"Subtarget->hasMMX()">;
721 def Has3DNow : Predicate<"Subtarget->has3DNow()">;
722 def Has3DNowA : Predicate<"Subtarget->has3DNowA()">;
723 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
724 def UseSSE1 : Predicate<"Subtarget->hasSSE1() && !Subtarget->hasAVX()">;
725 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
726 def UseSSE2 : Predicate<"Subtarget->hasSSE2() && !Subtarget->hasAVX()">;
727 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
728 def UseSSE3 : Predicate<"Subtarget->hasSSE3() && !Subtarget->hasAVX()">;
729 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
730 def UseSSSE3 : Predicate<"Subtarget->hasSSSE3() && !Subtarget->hasAVX()">;
731 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
732 def UseSSE41 : Predicate<"Subtarget->hasSSE41() && !Subtarget->hasAVX()">;
733 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
734 def UseSSE42 : Predicate<"Subtarget->hasSSE42() && !Subtarget->hasAVX()">;
735 def HasSSE4A : Predicate<"Subtarget->hasSSE4A()">;
736 def HasAVX : Predicate<"Subtarget->hasAVX()">;
737 def HasAVX2 : Predicate<"Subtarget->hasAVX2()">;
738 def HasAVX1Only : Predicate<"Subtarget->hasAVX() && !Subtarget->hasAVX2()">;
739 def HasAVX512 : Predicate<"Subtarget->hasAVX512()">,
740 AssemblerPredicate<"FeatureAVX512", "AVX-512 ISA">;
741 def UseAVX : Predicate<"Subtarget->hasAVX() && !Subtarget->hasAVX512()">;
742 def UseAVX2 : Predicate<"Subtarget->hasAVX2() && !Subtarget->hasAVX512()">;
743 def NoAVX512 : Predicate<"!Subtarget->hasAVX512()">;
744 def HasCDI : Predicate<"Subtarget->hasCDI()">;
745 def HasPFI : Predicate<"Subtarget->hasPFI()">;
746 def HasERI : Predicate<"Subtarget->hasERI()">;
748 def HasPOPCNT : Predicate<"Subtarget->hasPOPCNT()">;
749 def HasAES : Predicate<"Subtarget->hasAES()">;
750 def HasPCLMUL : Predicate<"Subtarget->hasPCLMUL()">;
751 def HasFMA : Predicate<"Subtarget->hasFMA()">;
752 def UseFMAOnAVX : Predicate<"Subtarget->hasFMA() && !Subtarget->hasAVX512()">;
753 def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
754 def HasXOP : Predicate<"Subtarget->hasXOP()">;
755 def HasTBM : Predicate<"Subtarget->hasTBM()">;
756 def HasMOVBE : Predicate<"Subtarget->hasMOVBE()">;
757 def HasRDRAND : Predicate<"Subtarget->hasRDRAND()">;
758 def HasF16C : Predicate<"Subtarget->hasF16C()">;
759 def HasFSGSBase : Predicate<"Subtarget->hasFSGSBase()">;
760 def HasLZCNT : Predicate<"Subtarget->hasLZCNT()">;
761 def HasBMI : Predicate<"Subtarget->hasBMI()">;
762 def HasBMI2 : Predicate<"Subtarget->hasBMI2()">;
763 def HasRTM : Predicate<"Subtarget->hasRTM()">;
764 def HasHLE : Predicate<"Subtarget->hasHLE()">;
765 def HasTSX : Predicate<"Subtarget->hasRTM() || Subtarget->hasHLE()">;
766 def HasADX : Predicate<"Subtarget->hasADX()">;
767 def HasSHA : Predicate<"Subtarget->hasSHA()">;
768 def HasPRFCHW : Predicate<"Subtarget->hasPRFCHW()">;
769 def HasRDSEED : Predicate<"Subtarget->hasRDSEED()">;
770 def HasPrefetchW : Predicate<"Subtarget->hasPRFCHW()">;
771 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
772 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
773 def HasCmpxchg16b: Predicate<"Subtarget->hasCmpxchg16b()">;
774 def Not64BitMode : Predicate<"!Subtarget->is64Bit()">,
775 AssemblerPredicate<"!Mode64Bit", "Not 64-bit mode">;
776 def In64BitMode : Predicate<"Subtarget->is64Bit()">,
777 AssemblerPredicate<"Mode64Bit", "64-bit mode">;
778 def In16BitMode : Predicate<"Subtarget->is16Bit()">,
779 AssemblerPredicate<"Mode16Bit", "16-bit mode">;
780 def Not16BitMode : Predicate<"!Subtarget->is16Bit()">,
781 AssemblerPredicate<"!Mode16Bit", "Not 16-bit mode">;
782 def In32BitMode : Predicate<"Subtarget->is32Bit()">,
783 AssemblerPredicate<"Mode32Bit", "32-bit mode">;
784 def IsWin64 : Predicate<"Subtarget->isTargetWin64()">;
785 def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
786 def NotNaCl : Predicate<"!Subtarget->isTargetNaCl()">;
787 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
788 def KernelCode : Predicate<"TM.getCodeModel() == CodeModel::Kernel">;
789 def FarData : Predicate<"TM.getCodeModel() != CodeModel::Small &&"
790 "TM.getCodeModel() != CodeModel::Kernel">;
791 def NearData : Predicate<"TM.getCodeModel() == CodeModel::Small ||"
792 "TM.getCodeModel() == CodeModel::Kernel">;
793 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
794 def IsNotPIC : Predicate<"TM.getRelocationModel() != Reloc::PIC_">;
795 def OptForSize : Predicate<"OptForSize">;
796 def OptForSpeed : Predicate<"!OptForSize">;
797 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
798 def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
799 def FavorMemIndirectCall : Predicate<"!Subtarget->callRegIndirect()">;
801 //===----------------------------------------------------------------------===//
802 // X86 Instruction Format Definitions.
805 include "X86InstrFormats.td"
807 //===----------------------------------------------------------------------===//
808 // Pattern fragments.
811 // X86 specific condition code. These correspond to CondCode in
812 // X86InstrInfo.h. They must be kept in synch.
813 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
814 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
815 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
816 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
817 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
818 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
819 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
820 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
821 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
822 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
823 def X86_COND_NO : PatLeaf<(i8 10)>;
824 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
825 def X86_COND_NS : PatLeaf<(i8 12)>;
826 def X86_COND_O : PatLeaf<(i8 13)>;
827 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
828 def X86_COND_S : PatLeaf<(i8 15)>;
830 let FastIselShouldIgnore = 1 in { // FastIsel should ignore all simm8 instrs.
831 def i16immSExt8 : ImmLeaf<i16, [{ return Imm == (int8_t)Imm; }]>;
832 def i32immSExt8 : ImmLeaf<i32, [{ return Imm == (int8_t)Imm; }]>;
833 def i64immSExt8 : ImmLeaf<i64, [{ return Imm == (int8_t)Imm; }]>;
836 def i64immSExt32 : ImmLeaf<i64, [{ return Imm == (int32_t)Imm; }]>;
839 // i64immZExt32 predicate - True if the 64-bit immediate fits in a 32-bit
841 def i64immZExt32 : ImmLeaf<i64, [{ return (uint64_t)Imm == (uint32_t)Imm; }]>;
843 def i64immZExt32SExt8 : ImmLeaf<i64, [{
844 return (uint64_t)Imm == (uint32_t)Imm && (int32_t)Imm == (int8_t)Imm;
847 // Helper fragments for loads.
848 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
849 // known to be 32-bit aligned or better. Ditto for i8 to i16.
850 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
851 LoadSDNode *LD = cast<LoadSDNode>(N);
852 ISD::LoadExtType ExtType = LD->getExtensionType();
853 if (ExtType == ISD::NON_EXTLOAD)
855 if (ExtType == ISD::EXTLOAD)
856 return LD->getAlignment() >= 2 && !LD->isVolatile();
860 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)),[{
861 LoadSDNode *LD = cast<LoadSDNode>(N);
862 ISD::LoadExtType ExtType = LD->getExtensionType();
863 if (ExtType == ISD::EXTLOAD)
864 return LD->getAlignment() >= 2 && !LD->isVolatile();
868 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
869 LoadSDNode *LD = cast<LoadSDNode>(N);
870 ISD::LoadExtType ExtType = LD->getExtensionType();
871 if (ExtType == ISD::NON_EXTLOAD)
873 if (ExtType == ISD::EXTLOAD)
874 return LD->getAlignment() >= 4 && !LD->isVolatile();
878 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
879 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr))>;
880 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
881 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
882 def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr))>;
884 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
885 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
886 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
887 def sextloadi64i8 : PatFrag<(ops node:$ptr), (i64 (sextloadi8 node:$ptr))>;
888 def sextloadi64i16 : PatFrag<(ops node:$ptr), (i64 (sextloadi16 node:$ptr))>;
889 def sextloadi64i32 : PatFrag<(ops node:$ptr), (i64 (sextloadi32 node:$ptr))>;
891 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
892 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
893 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
894 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
895 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
896 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
897 def zextloadi64i1 : PatFrag<(ops node:$ptr), (i64 (zextloadi1 node:$ptr))>;
898 def zextloadi64i8 : PatFrag<(ops node:$ptr), (i64 (zextloadi8 node:$ptr))>;
899 def zextloadi64i16 : PatFrag<(ops node:$ptr), (i64 (zextloadi16 node:$ptr))>;
900 def zextloadi64i32 : PatFrag<(ops node:$ptr), (i64 (zextloadi32 node:$ptr))>;
902 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
903 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
904 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
905 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
906 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
907 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
908 def extloadi64i1 : PatFrag<(ops node:$ptr), (i64 (extloadi1 node:$ptr))>;
909 def extloadi64i8 : PatFrag<(ops node:$ptr), (i64 (extloadi8 node:$ptr))>;
910 def extloadi64i16 : PatFrag<(ops node:$ptr), (i64 (extloadi16 node:$ptr))>;
911 def extloadi64i32 : PatFrag<(ops node:$ptr), (i64 (extloadi32 node:$ptr))>;
914 // An 'and' node with a single use.
915 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
916 return N->hasOneUse();
918 // An 'srl' node with a single use.
919 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
920 return N->hasOneUse();
922 // An 'trunc' node with a single use.
923 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
924 return N->hasOneUse();
927 //===----------------------------------------------------------------------===//
932 let neverHasSideEffects = 1, SchedRW = [WriteZero] in {
933 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", [], IIC_NOP>;
934 def NOOPW : I<0x1f, MRM0m, (outs), (ins i16mem:$zero),
935 "nop{w}\t$zero", [], IIC_NOP>, TB, OpSize16;
936 def NOOPL : I<0x1f, MRM0m, (outs), (ins i32mem:$zero),
937 "nop{l}\t$zero", [], IIC_NOP>, TB, OpSize32;
941 // Constructing a stack frame.
942 def ENTER : Ii16<0xC8, RawFrmImm8, (outs), (ins i16imm:$len, i8imm:$lvl),
943 "enter\t$len, $lvl", [], IIC_ENTER>, Sched<[WriteMicrocoded]>;
945 let SchedRW = [WriteALU] in {
946 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
947 def LEAVE : I<0xC9, RawFrm,
948 (outs), (ins), "leave", [], IIC_LEAVE>,
949 Requires<[Not64BitMode]>;
951 let Defs = [RBP,RSP], Uses = [RBP,RSP], mayLoad = 1, neverHasSideEffects = 1 in
952 def LEAVE64 : I<0xC9, RawFrm,
953 (outs), (ins), "leave", [], IIC_LEAVE>,
954 Requires<[In64BitMode]>;
957 //===----------------------------------------------------------------------===//
958 // Miscellaneous Instructions.
961 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
962 let mayLoad = 1, SchedRW = [WriteLoad] in {
963 def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", [],
964 IIC_POP_REG16>, OpSize16;
965 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", [],
966 IIC_POP_REG>, OpSize32, Requires<[Not64BitMode]>;
967 def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", [],
968 IIC_POP_REG>, OpSize16;
969 def POP16rmm: I<0x8F, MRM0m, (outs), (ins i16mem:$dst), "pop{w}\t$dst", [],
970 IIC_POP_MEM>, OpSize16;
971 def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", [],
972 IIC_POP_REG>, OpSize32, Requires<[Not64BitMode]>;
973 def POP32rmm: I<0x8F, MRM0m, (outs), (ins i32mem:$dst), "pop{l}\t$dst", [],
974 IIC_POP_MEM>, Requires<[Not64BitMode]>;
976 def POPF16 : I<0x9D, RawFrm, (outs), (ins), "popf{w}", [], IIC_POP_F>,
978 def POPF32 : I<0x9D, RawFrm, (outs), (ins), "popf{l|d}", [], IIC_POP_FD>,
979 OpSize32, Requires<[Not64BitMode]>;
980 } // mayLoad, SchedRW
982 let mayStore = 1, SchedRW = [WriteStore] in {
983 def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[],
984 IIC_PUSH_REG>, OpSize16;
985 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[],
986 IIC_PUSH_REG>, OpSize32, Requires<[Not64BitMode]>;
987 def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[],
988 IIC_PUSH_REG>, OpSize16;
989 def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[],
990 IIC_PUSH_MEM>, OpSize16;
991 def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[],
992 IIC_PUSH_REG>, OpSize32, Requires<[Not64BitMode]>;
993 def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[],
994 IIC_PUSH_MEM>, OpSize32, Requires<[Not64BitMode]>;
996 def PUSH16i8 : Ii8<0x6a, RawFrm, (outs), (ins i16i8imm:$imm),
997 "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16,
998 Requires<[Not64BitMode]>;
999 def PUSH32i8 : Ii8<0x6a, RawFrm, (outs), (ins i32i8imm:$imm),
1000 "push{l}\t$imm", [], IIC_PUSH_IMM>, OpSize32,
1001 Requires<[Not64BitMode]>;
1002 def PUSHi16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
1003 "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16,
1004 Requires<[Not64BitMode]>;
1005 def PUSHi32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
1006 "push{l}\t$imm", [], IIC_PUSH_IMM>, OpSize32,
1007 Requires<[Not64BitMode]>;
1009 def PUSHF16 : I<0x9C, RawFrm, (outs), (ins), "pushf{w}", [], IIC_PUSH_F>,
1011 def PUSHF32 : I<0x9C, RawFrm, (outs), (ins), "pushf{l|d}", [], IIC_PUSH_F>,
1012 OpSize32, Requires<[Not64BitMode]>;
1014 } // mayStore, SchedRW
1017 let Defs = [RSP], Uses = [RSP], neverHasSideEffects=1 in {
1018 let mayLoad = 1, SchedRW = [WriteLoad] in {
1019 def POP64r : I<0x58, AddRegFrm, (outs GR64:$reg), (ins), "pop{q}\t$reg", [],
1020 IIC_POP_REG>, Requires<[In64BitMode]>;
1021 def POP64rmr: I<0x8F, MRM0r, (outs GR64:$reg), (ins), "pop{q}\t$reg", [],
1022 IIC_POP_REG>, Requires<[In64BitMode]>;
1023 def POP64rmm: I<0x8F, MRM0m, (outs), (ins i64mem:$dst), "pop{q}\t$dst", [],
1024 IIC_POP_MEM>, Requires<[In64BitMode]>;
1025 } // mayLoad, SchedRW
1026 let mayStore = 1, SchedRW = [WriteStore] in {
1027 def PUSH64r : I<0x50, AddRegFrm, (outs), (ins GR64:$reg), "push{q}\t$reg", [],
1028 IIC_PUSH_REG>, Requires<[In64BitMode]>;
1029 def PUSH64rmr: I<0xFF, MRM6r, (outs), (ins GR64:$reg), "push{q}\t$reg", [],
1030 IIC_PUSH_REG>, Requires<[In64BitMode]>;
1031 def PUSH64rmm: I<0xFF, MRM6m, (outs), (ins i64mem:$src), "push{q}\t$src", [],
1032 IIC_PUSH_MEM>, Requires<[In64BitMode]>;
1033 } // mayStore, SchedRW
1036 let Defs = [RSP], Uses = [RSP], neverHasSideEffects = 1, mayStore = 1,
1037 SchedRW = [WriteStore] in {
1038 def PUSH64i8 : Ii8<0x6a, RawFrm, (outs), (ins i64i8imm:$imm),
1039 "push{q}\t$imm", [], IIC_PUSH_IMM>, Requires<[In64BitMode]>;
1040 def PUSH64i16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
1041 "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16,
1042 Requires<[In64BitMode]>;
1043 def PUSH64i32 : Ii32S<0x68, RawFrm, (outs), (ins i64i32imm:$imm),
1044 "push{q}\t$imm", [], IIC_PUSH_IMM>, Requires<[In64BitMode]>;
1047 let Defs = [RSP, EFLAGS], Uses = [RSP], mayLoad = 1, neverHasSideEffects=1 in
1048 def POPF64 : I<0x9D, RawFrm, (outs), (ins), "popfq", [], IIC_POP_FD>,
1049 Requires<[In64BitMode]>, Sched<[WriteLoad]>;
1050 let Defs = [RSP], Uses = [RSP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in
1051 def PUSHF64 : I<0x9C, RawFrm, (outs), (ins), "pushfq", [], IIC_PUSH_F>,
1052 Requires<[In64BitMode]>, Sched<[WriteStore]>;
1054 let Defs = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP], Uses = [ESP],
1055 mayLoad = 1, neverHasSideEffects = 1, SchedRW = [WriteLoad] in {
1056 def POPA32 : I<0x61, RawFrm, (outs), (ins), "popal", [], IIC_POP_A>,
1057 OpSize32, Requires<[Not64BitMode]>;
1058 def POPA16 : I<0x61, RawFrm, (outs), (ins), "popaw", [], IIC_POP_A>,
1059 OpSize16, Requires<[Not64BitMode]>;
1061 let Defs = [ESP], Uses = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP],
1062 mayStore = 1, neverHasSideEffects = 1, SchedRW = [WriteStore] in {
1063 def PUSHA32 : I<0x60, RawFrm, (outs), (ins), "pushal", [], IIC_PUSH_A>,
1064 OpSize32, Requires<[Not64BitMode]>;
1065 def PUSHA16 : I<0x60, RawFrm, (outs), (ins), "pushaw", [], IIC_PUSH_A>,
1066 OpSize16, Requires<[Not64BitMode]>;
1069 let Constraints = "$src = $dst", SchedRW = [WriteALU] in {
1070 // GR32 = bswap GR32
1071 def BSWAP32r : I<0xC8, AddRegFrm,
1072 (outs GR32:$dst), (ins GR32:$src),
1074 [(set GR32:$dst, (bswap GR32:$src))], IIC_BSWAP>, OpSize32, TB;
1076 def BSWAP64r : RI<0xC8, AddRegFrm, (outs GR64:$dst), (ins GR64:$src),
1078 [(set GR64:$dst, (bswap GR64:$src))], IIC_BSWAP>, TB;
1079 } // Constraints = "$src = $dst", SchedRW
1081 // Bit scan instructions.
1082 let Defs = [EFLAGS] in {
1083 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1084 "bsf{w}\t{$src, $dst|$dst, $src}",
1085 [(set GR16:$dst, EFLAGS, (X86bsf GR16:$src))],
1086 IIC_BIT_SCAN_REG>, TB, OpSize16, Sched<[WriteShift]>;
1087 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1088 "bsf{w}\t{$src, $dst|$dst, $src}",
1089 [(set GR16:$dst, EFLAGS, (X86bsf (loadi16 addr:$src)))],
1090 IIC_BIT_SCAN_MEM>, TB, OpSize16, Sched<[WriteShiftLd]>;
1091 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1092 "bsf{l}\t{$src, $dst|$dst, $src}",
1093 [(set GR32:$dst, EFLAGS, (X86bsf GR32:$src))],
1094 IIC_BIT_SCAN_REG>, TB, OpSize32,
1095 Sched<[WriteShift]>;
1096 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1097 "bsf{l}\t{$src, $dst|$dst, $src}",
1098 [(set GR32:$dst, EFLAGS, (X86bsf (loadi32 addr:$src)))],
1099 IIC_BIT_SCAN_MEM>, TB, OpSize32, Sched<[WriteShiftLd]>;
1100 def BSF64rr : RI<0xBC, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1101 "bsf{q}\t{$src, $dst|$dst, $src}",
1102 [(set GR64:$dst, EFLAGS, (X86bsf GR64:$src))],
1103 IIC_BIT_SCAN_REG>, TB, Sched<[WriteShift]>;
1104 def BSF64rm : RI<0xBC, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1105 "bsf{q}\t{$src, $dst|$dst, $src}",
1106 [(set GR64:$dst, EFLAGS, (X86bsf (loadi64 addr:$src)))],
1107 IIC_BIT_SCAN_MEM>, TB, Sched<[WriteShiftLd]>;
1109 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1110 "bsr{w}\t{$src, $dst|$dst, $src}",
1111 [(set GR16:$dst, EFLAGS, (X86bsr GR16:$src))],
1113 TB, OpSize16, Sched<[WriteShift]>;
1114 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1115 "bsr{w}\t{$src, $dst|$dst, $src}",
1116 [(set GR16:$dst, EFLAGS, (X86bsr (loadi16 addr:$src)))],
1117 IIC_BIT_SCAN_MEM>, TB,
1118 OpSize16, Sched<[WriteShiftLd]>;
1119 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1120 "bsr{l}\t{$src, $dst|$dst, $src}",
1121 [(set GR32:$dst, EFLAGS, (X86bsr GR32:$src))],
1122 IIC_BIT_SCAN_REG>, TB, OpSize32,
1123 Sched<[WriteShift]>;
1124 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1125 "bsr{l}\t{$src, $dst|$dst, $src}",
1126 [(set GR32:$dst, EFLAGS, (X86bsr (loadi32 addr:$src)))],
1127 IIC_BIT_SCAN_MEM>, TB, OpSize32, Sched<[WriteShiftLd]>;
1128 def BSR64rr : RI<0xBD, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1129 "bsr{q}\t{$src, $dst|$dst, $src}",
1130 [(set GR64:$dst, EFLAGS, (X86bsr GR64:$src))], IIC_BIT_SCAN_REG>, TB,
1131 Sched<[WriteShift]>;
1132 def BSR64rm : RI<0xBD, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1133 "bsr{q}\t{$src, $dst|$dst, $src}",
1134 [(set GR64:$dst, EFLAGS, (X86bsr (loadi64 addr:$src)))],
1135 IIC_BIT_SCAN_MEM>, TB, Sched<[WriteShiftLd]>;
1136 } // Defs = [EFLAGS]
1138 let SchedRW = [WriteMicrocoded] in {
1139 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1140 let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in {
1141 def MOVSB : I<0xA4, RawFrmDstSrc, (outs dstidx8:$dst), (ins srcidx8:$src),
1142 "movsb\t{$src, $dst|$dst, $src}", [], IIC_MOVS>;
1143 def MOVSW : I<0xA5, RawFrmDstSrc, (outs dstidx16:$dst), (ins srcidx16:$src),
1144 "movsw\t{$src, $dst|$dst, $src}", [], IIC_MOVS>, OpSize16;
1145 def MOVSL : I<0xA5, RawFrmDstSrc, (outs dstidx32:$dst), (ins srcidx32:$src),
1146 "movs{l|d}\t{$src, $dst|$dst, $src}", [], IIC_MOVS>, OpSize32;
1147 def MOVSQ : RI<0xA5, RawFrmDstSrc, (outs dstidx64:$dst), (ins srcidx64:$src),
1148 "movsq\t{$src, $dst|$dst, $src}", [], IIC_MOVS>;
1151 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1152 let Defs = [EDI], Uses = [AL,EDI,EFLAGS] in
1153 def STOSB : I<0xAA, RawFrmDst, (outs dstidx8:$dst), (ins),
1154 "stosb\t{%al, $dst|$dst, al}", [], IIC_STOS>;
1155 let Defs = [EDI], Uses = [AX,EDI,EFLAGS] in
1156 def STOSW : I<0xAB, RawFrmDst, (outs dstidx16:$dst), (ins),
1157 "stosw\t{%ax, $dst|$dst, ax}", [], IIC_STOS>, OpSize16;
1158 let Defs = [EDI], Uses = [EAX,EDI,EFLAGS] in
1159 def STOSL : I<0xAB, RawFrmDst, (outs dstidx32:$dst), (ins),
1160 "stos{l|d}\t{%eax, $dst|$dst, eax}", [], IIC_STOS>, OpSize32;
1161 let Defs = [RCX,RDI], Uses = [RAX,RCX,RDI,EFLAGS] in
1162 def STOSQ : RI<0xAB, RawFrmDst, (outs dstidx64:$dst), (ins),
1163 "stosq\t{%rax, $dst|$dst, rax}", [], IIC_STOS>;
1165 def SCAS8 : I<0xAE, RawFrmDst, (outs), (ins dstidx8:$dst),
1166 "scasb\t{$dst, %al|al, $dst}", [], IIC_SCAS>;
1167 def SCAS16 : I<0xAF, RawFrmDst, (outs), (ins dstidx16:$dst),
1168 "scasw\t{$dst, %ax|ax, $dst}", [], IIC_SCAS>, OpSize16;
1169 def SCAS32 : I<0xAF, RawFrmDst, (outs), (ins dstidx32:$dst),
1170 "scas{l|d}\t{$dst, %eax|eax, $dst}", [], IIC_SCAS>, OpSize32;
1171 def SCAS64 : RI<0xAF, RawFrmDst, (outs), (ins dstidx64:$dst),
1172 "scasq\t{$dst, %rax|rax, $dst}", [], IIC_SCAS>;
1174 def CMPS8 : I<0xA6, RawFrmDstSrc, (outs), (ins dstidx8:$dst, srcidx8:$src),
1175 "cmpsb\t{$dst, $src|$src, $dst}", [], IIC_CMPS>;
1176 def CMPS16 : I<0xA7, RawFrmDstSrc, (outs), (ins dstidx16:$dst, srcidx16:$src),
1177 "cmpsw\t{$dst, $src|$src, $dst}", [], IIC_CMPS>, OpSize16;
1178 def CMPS32 : I<0xA7, RawFrmDstSrc, (outs), (ins dstidx32:$dst, srcidx32:$src),
1179 "cmps{l|d}\t{$dst, $src|$src, $dst}", [], IIC_CMPS>, OpSize32;
1180 def CMPS64 : RI<0xA7, RawFrmDstSrc, (outs), (ins dstidx64:$dst, srcidx64:$src),
1181 "cmpsq\t{$dst, $src|$src, $dst}", [], IIC_CMPS>;
1184 //===----------------------------------------------------------------------===//
1185 // Move Instructions.
1187 let SchedRW = [WriteMove] in {
1188 let neverHasSideEffects = 1 in {
1189 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
1190 "mov{b}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1191 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1192 "mov{w}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize16;
1193 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
1194 "mov{l}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize32;
1195 def MOV64rr : RI<0x89, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
1196 "mov{q}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1199 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
1200 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
1201 "mov{b}\t{$src, $dst|$dst, $src}",
1202 [(set GR8:$dst, imm:$src)], IIC_MOV>;
1203 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
1204 "mov{w}\t{$src, $dst|$dst, $src}",
1205 [(set GR16:$dst, imm:$src)], IIC_MOV>, OpSize16;
1206 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
1207 "mov{l}\t{$src, $dst|$dst, $src}",
1208 [(set GR32:$dst, imm:$src)], IIC_MOV>, OpSize32;
1209 def MOV64ri : RIi64<0xB8, AddRegFrm, (outs GR64:$dst), (ins i64imm:$src),
1210 "movabs{q}\t{$src, $dst|$dst, $src}",
1211 [(set GR64:$dst, imm:$src)], IIC_MOV>;
1212 def MOV64ri32 : RIi32S<0xC7, MRM0r, (outs GR64:$dst), (ins i64i32imm:$src),
1213 "mov{q}\t{$src, $dst|$dst, $src}",
1214 [(set GR64:$dst, i64immSExt32:$src)], IIC_MOV>;
1218 let SchedRW = [WriteStore] in {
1219 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
1220 "mov{b}\t{$src, $dst|$dst, $src}",
1221 [(store (i8 imm:$src), addr:$dst)], IIC_MOV_MEM>;
1222 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
1223 "mov{w}\t{$src, $dst|$dst, $src}",
1224 [(store (i16 imm:$src), addr:$dst)], IIC_MOV_MEM>, OpSize16;
1225 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
1226 "mov{l}\t{$src, $dst|$dst, $src}",
1227 [(store (i32 imm:$src), addr:$dst)], IIC_MOV_MEM>, OpSize32;
1228 def MOV64mi32 : RIi32S<0xC7, MRM0m, (outs), (ins i64mem:$dst, i64i32imm:$src),
1229 "mov{q}\t{$src, $dst|$dst, $src}",
1230 [(store i64immSExt32:$src, addr:$dst)], IIC_MOV_MEM>;
1233 let hasSideEffects = 0 in {
1235 /// moffs8, moffs16 and moffs32 versions of moves. The immediate is a
1236 /// 32-bit offset from the segment base. These are only valid in x86-32 mode.
1237 let SchedRW = [WriteALU] in {
1238 let mayLoad = 1 in {
1239 def MOV8o8a : Ii32 <0xA0, RawFrmMemOffs, (outs), (ins offset8:$src),
1240 "mov{b}\t{$src, %al|al, $src}", [], IIC_MOV_MEM>,
1241 Requires<[In32BitMode]>;
1242 def MOV16o16a : Ii32 <0xA1, RawFrmMemOffs, (outs), (ins offset16:$src),
1243 "mov{w}\t{$src, %ax|ax, $src}", [], IIC_MOV_MEM>,
1244 OpSize16, Requires<[In32BitMode]>;
1245 def MOV32o32a : Ii32 <0xA1, RawFrmMemOffs, (outs), (ins offset32:$src),
1246 "mov{l}\t{$src, %eax|eax, $src}", [], IIC_MOV_MEM>,
1247 OpSize32, Requires<[In32BitMode]>;
1249 def MOV8o8a_16 : Ii16 <0xA0, RawFrmMemOffs, (outs), (ins offset8:$src),
1250 "mov{b}\t{$src, %al|al, $src}", [], IIC_MOV_MEM>,
1251 AdSize, Requires<[In16BitMode]>;
1252 def MOV16o16a_16 : Ii16 <0xA1, RawFrmMemOffs, (outs), (ins offset16:$src),
1253 "mov{w}\t{$src, %ax|ax, $src}", [], IIC_MOV_MEM>,
1254 OpSize16, AdSize, Requires<[In16BitMode]>;
1255 def MOV32o32a_16 : Ii16 <0xA1, RawFrmMemOffs, (outs), (ins offset32:$src),
1256 "mov{l}\t{$src, %eax|eax, $src}", [], IIC_MOV_MEM>,
1257 AdSize, OpSize32, Requires<[In16BitMode]>;
1259 let mayStore = 1 in {
1260 def MOV8ao8 : Ii32 <0xA2, RawFrmMemOffs, (outs offset8:$dst), (ins),
1261 "mov{b}\t{%al, $dst|$dst, al}", [], IIC_MOV_MEM>,
1262 Requires<[In32BitMode]>;
1263 def MOV16ao16 : Ii32 <0xA3, RawFrmMemOffs, (outs offset16:$dst), (ins),
1264 "mov{w}\t{%ax, $dst|$dst, ax}", [], IIC_MOV_MEM>,
1265 OpSize16, Requires<[In32BitMode]>;
1266 def MOV32ao32 : Ii32 <0xA3, RawFrmMemOffs, (outs offset32:$dst), (ins),
1267 "mov{l}\t{%eax, $dst|$dst, eax}", [], IIC_MOV_MEM>,
1268 OpSize32, Requires<[In32BitMode]>;
1270 def MOV8ao8_16 : Ii16 <0xA2, RawFrmMemOffs, (outs offset8:$dst), (ins),
1271 "mov{b}\t{%al, $dst|$dst, al}", [], IIC_MOV_MEM>,
1272 AdSize, Requires<[In16BitMode]>;
1273 def MOV16ao16_16 : Ii16 <0xA3, RawFrmMemOffs, (outs offset16:$dst), (ins),
1274 "mov{w}\t{%ax, $dst|$dst, ax}", [], IIC_MOV_MEM>,
1275 OpSize16, AdSize, Requires<[In16BitMode]>;
1276 def MOV32ao32_16 : Ii16 <0xA3, RawFrmMemOffs, (outs offset32:$dst), (ins),
1277 "mov{l}\t{%eax, $dst|$dst, eax}", [], IIC_MOV_MEM>,
1278 OpSize32, AdSize, Requires<[In16BitMode]>;
1282 // These forms all have full 64-bit absolute addresses in their instructions
1283 // and use the movabs mnemonic to indicate this specific form.
1284 let mayLoad = 1 in {
1285 def MOV64o8a : RIi64_NOREX<0xA0, RawFrmMemOffs, (outs), (ins offset8:$src),
1286 "movabs{b}\t{$src, %al|al, $src}", []>,
1287 Requires<[In64BitMode]>;
1288 def MOV64o16a : RIi64_NOREX<0xA1, RawFrmMemOffs, (outs), (ins offset16:$src),
1289 "movabs{w}\t{$src, %ax|ax, $src}", []>, OpSize16,
1290 Requires<[In64BitMode]>;
1291 def MOV64o32a : RIi64_NOREX<0xA1, RawFrmMemOffs, (outs), (ins offset32:$src),
1292 "movabs{l}\t{$src, %eax|eax, $src}", []>, OpSize32,
1293 Requires<[In64BitMode]>;
1294 def MOV64o64a : RIi64<0xA1, RawFrmMemOffs, (outs), (ins offset64:$src),
1295 "movabs{q}\t{$src, %rax|rax, $src}", []>,
1296 Requires<[In64BitMode]>;
1299 let mayStore = 1 in {
1300 def MOV64ao8 : RIi64_NOREX<0xA2, RawFrmMemOffs, (outs offset8:$dst), (ins),
1301 "movabs{b}\t{%al, $dst|$dst, al}", []>,
1302 Requires<[In64BitMode]>;
1303 def MOV64ao16 : RIi64_NOREX<0xA3, RawFrmMemOffs, (outs offset16:$dst), (ins),
1304 "movabs{w}\t{%ax, $dst|$dst, ax}", []>, OpSize16,
1305 Requires<[In64BitMode]>;
1306 def MOV64ao32 : RIi64_NOREX<0xA3, RawFrmMemOffs, (outs offset32:$dst), (ins),
1307 "movabs{l}\t{%eax, $dst|$dst, eax}", []>, OpSize32,
1308 Requires<[In64BitMode]>;
1309 def MOV64ao64 : RIi64<0xA3, RawFrmMemOffs, (outs offset64:$dst), (ins),
1310 "movabs{q}\t{%rax, $dst|$dst, rax}", []>,
1311 Requires<[In64BitMode]>;
1313 } // hasSideEffects = 0
1315 let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0,
1316 SchedRW = [WriteMove] in {
1317 def MOV8rr_REV : I<0x8A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src),
1318 "mov{b}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1319 def MOV16rr_REV : I<0x8B, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1320 "mov{w}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize16;
1321 def MOV32rr_REV : I<0x8B, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1322 "mov{l}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize32;
1323 def MOV64rr_REV : RI<0x8B, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1324 "mov{q}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1327 let canFoldAsLoad = 1, isReMaterializable = 1, SchedRW = [WriteLoad] in {
1328 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
1329 "mov{b}\t{$src, $dst|$dst, $src}",
1330 [(set GR8:$dst, (loadi8 addr:$src))], IIC_MOV_MEM>;
1331 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1332 "mov{w}\t{$src, $dst|$dst, $src}",
1333 [(set GR16:$dst, (loadi16 addr:$src))], IIC_MOV_MEM>, OpSize16;
1334 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1335 "mov{l}\t{$src, $dst|$dst, $src}",
1336 [(set GR32:$dst, (loadi32 addr:$src))], IIC_MOV_MEM>, OpSize32;
1337 def MOV64rm : RI<0x8B, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1338 "mov{q}\t{$src, $dst|$dst, $src}",
1339 [(set GR64:$dst, (load addr:$src))], IIC_MOV_MEM>;
1342 let SchedRW = [WriteStore] in {
1343 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
1344 "mov{b}\t{$src, $dst|$dst, $src}",
1345 [(store GR8:$src, addr:$dst)], IIC_MOV_MEM>;
1346 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1347 "mov{w}\t{$src, $dst|$dst, $src}",
1348 [(store GR16:$src, addr:$dst)], IIC_MOV_MEM>, OpSize16;
1349 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1350 "mov{l}\t{$src, $dst|$dst, $src}",
1351 [(store GR32:$src, addr:$dst)], IIC_MOV_MEM>, OpSize32;
1352 def MOV64mr : RI<0x89, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
1353 "mov{q}\t{$src, $dst|$dst, $src}",
1354 [(store GR64:$src, addr:$dst)], IIC_MOV_MEM>;
1357 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
1358 // that they can be used for copying and storing h registers, which can't be
1359 // encoded when a REX prefix is present.
1360 let isCodeGenOnly = 1 in {
1361 let neverHasSideEffects = 1 in
1362 def MOV8rr_NOREX : I<0x88, MRMDestReg,
1363 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
1364 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [], IIC_MOV>,
1366 let mayStore = 1, neverHasSideEffects = 1 in
1367 def MOV8mr_NOREX : I<0x88, MRMDestMem,
1368 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
1369 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [],
1370 IIC_MOV_MEM>, Sched<[WriteStore]>;
1371 let mayLoad = 1, neverHasSideEffects = 1,
1372 canFoldAsLoad = 1, isReMaterializable = 1 in
1373 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
1374 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
1375 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [],
1376 IIC_MOV_MEM>, Sched<[WriteLoad]>;
1380 // Condition code ops, incl. set if equal/not equal/...
1381 let SchedRW = [WriteALU] in {
1382 let Defs = [EFLAGS], Uses = [AH] in
1383 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf",
1384 [(set EFLAGS, (X86sahf AH))], IIC_AHF>;
1385 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
1386 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", [],
1387 IIC_AHF>; // AH = flags
1390 //===----------------------------------------------------------------------===//
1391 // Bit tests instructions: BT, BTS, BTR, BTC.
1393 let Defs = [EFLAGS] in {
1394 let SchedRW = [WriteALU] in {
1395 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
1396 "bt{w}\t{$src2, $src1|$src1, $src2}",
1397 [(set EFLAGS, (X86bt GR16:$src1, GR16:$src2))], IIC_BT_RR>,
1399 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
1400 "bt{l}\t{$src2, $src1|$src1, $src2}",
1401 [(set EFLAGS, (X86bt GR32:$src1, GR32:$src2))], IIC_BT_RR>,
1403 def BT64rr : RI<0xA3, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
1404 "bt{q}\t{$src2, $src1|$src1, $src2}",
1405 [(set EFLAGS, (X86bt GR64:$src1, GR64:$src2))], IIC_BT_RR>, TB;
1408 // Unlike with the register+register form, the memory+register form of the
1409 // bt instruction does not ignore the high bits of the index. From ISel's
1410 // perspective, this is pretty bizarre. Make these instructions disassembly
1413 let mayLoad = 1, hasSideEffects = 0, SchedRW = [WriteALULd] in {
1414 def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
1415 "bt{w}\t{$src2, $src1|$src1, $src2}",
1416 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
1417 // (implicit EFLAGS)]
1419 >, OpSize16, TB, Requires<[FastBTMem]>;
1420 def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
1421 "bt{l}\t{$src2, $src1|$src1, $src2}",
1422 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
1423 // (implicit EFLAGS)]
1425 >, OpSize32, TB, Requires<[FastBTMem]>;
1426 def BT64mr : RI<0xA3, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
1427 "bt{q}\t{$src2, $src1|$src1, $src2}",
1428 // [(X86bt (loadi64 addr:$src1), GR64:$src2),
1429 // (implicit EFLAGS)]
1434 let SchedRW = [WriteALU] in {
1435 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
1436 "bt{w}\t{$src2, $src1|$src1, $src2}",
1437 [(set EFLAGS, (X86bt GR16:$src1, i16immSExt8:$src2))],
1438 IIC_BT_RI>, OpSize16, TB;
1439 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
1440 "bt{l}\t{$src2, $src1|$src1, $src2}",
1441 [(set EFLAGS, (X86bt GR32:$src1, i32immSExt8:$src2))],
1442 IIC_BT_RI>, OpSize32, TB;
1443 def BT64ri8 : RIi8<0xBA, MRM4r, (outs), (ins GR64:$src1, i64i8imm:$src2),
1444 "bt{q}\t{$src2, $src1|$src1, $src2}",
1445 [(set EFLAGS, (X86bt GR64:$src1, i64immSExt8:$src2))],
1449 // Note that these instructions don't need FastBTMem because that
1450 // only applies when the other operand is in a register. When it's
1451 // an immediate, bt is still fast.
1452 let SchedRW = [WriteALU] in {
1453 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
1454 "bt{w}\t{$src2, $src1|$src1, $src2}",
1455 [(set EFLAGS, (X86bt (loadi16 addr:$src1), i16immSExt8:$src2))
1456 ], IIC_BT_MI>, OpSize16, TB;
1457 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
1458 "bt{l}\t{$src2, $src1|$src1, $src2}",
1459 [(set EFLAGS, (X86bt (loadi32 addr:$src1), i32immSExt8:$src2))
1460 ], IIC_BT_MI>, OpSize32, TB;
1461 def BT64mi8 : RIi8<0xBA, MRM4m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
1462 "bt{q}\t{$src2, $src1|$src1, $src2}",
1463 [(set EFLAGS, (X86bt (loadi64 addr:$src1),
1464 i64immSExt8:$src2))], IIC_BT_MI>, TB;
1467 let hasSideEffects = 0 in {
1468 let SchedRW = [WriteALU] in {
1469 def BTC16rr : I<0xBB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
1470 "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1472 def BTC32rr : I<0xBB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
1473 "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1475 def BTC64rr : RI<0xBB, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
1476 "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>, TB;
1479 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1480 def BTC16mr : I<0xBB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
1481 "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1483 def BTC32mr : I<0xBB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
1484 "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1486 def BTC64mr : RI<0xBB, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
1487 "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, TB;
1490 let SchedRW = [WriteALU] in {
1491 def BTC16ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR16:$src1, i16i8imm:$src2),
1492 "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1494 def BTC32ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR32:$src1, i32i8imm:$src2),
1495 "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1497 def BTC64ri8 : RIi8<0xBA, MRM7r, (outs), (ins GR64:$src1, i64i8imm:$src2),
1498 "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, TB;
1501 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1502 def BTC16mi8 : Ii8<0xBA, MRM7m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
1503 "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1505 def BTC32mi8 : Ii8<0xBA, MRM7m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
1506 "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1508 def BTC64mi8 : RIi8<0xBA, MRM7m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
1509 "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, TB;
1512 let SchedRW = [WriteALU] in {
1513 def BTR16rr : I<0xB3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
1514 "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1516 def BTR32rr : I<0xB3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
1517 "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1519 def BTR64rr : RI<0xB3, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
1520 "btr{q}\t{$src2, $src1|$src1, $src2}", []>, TB;
1523 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1524 def BTR16mr : I<0xB3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
1525 "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1527 def BTR32mr : I<0xB3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
1528 "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1530 def BTR64mr : RI<0xB3, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
1531 "btr{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, TB;
1534 let SchedRW = [WriteALU] in {
1535 def BTR16ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR16:$src1, i16i8imm:$src2),
1536 "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1538 def BTR32ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR32:$src1, i32i8imm:$src2),
1539 "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1541 def BTR64ri8 : RIi8<0xBA, MRM6r, (outs), (ins GR64:$src1, i64i8imm:$src2),
1542 "btr{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, TB;
1545 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1546 def BTR16mi8 : Ii8<0xBA, MRM6m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
1547 "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1549 def BTR32mi8 : Ii8<0xBA, MRM6m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
1550 "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1552 def BTR64mi8 : RIi8<0xBA, MRM6m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
1553 "btr{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, TB;
1556 let SchedRW = [WriteALU] in {
1557 def BTS16rr : I<0xAB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
1558 "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1560 def BTS32rr : I<0xAB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
1561 "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1563 def BTS64rr : RI<0xAB, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
1564 "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>, TB;
1567 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1568 def BTS16mr : I<0xAB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
1569 "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1571 def BTS32mr : I<0xAB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
1572 "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1574 def BTS64mr : RI<0xAB, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
1575 "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, TB;
1578 let SchedRW = [WriteALU] in {
1579 def BTS16ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR16:$src1, i16i8imm:$src2),
1580 "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1582 def BTS32ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR32:$src1, i32i8imm:$src2),
1583 "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1585 def BTS64ri8 : RIi8<0xBA, MRM5r, (outs), (ins GR64:$src1, i64i8imm:$src2),
1586 "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, TB;
1589 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1590 def BTS16mi8 : Ii8<0xBA, MRM5m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
1591 "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1593 def BTS32mi8 : Ii8<0xBA, MRM5m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
1594 "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1596 def BTS64mi8 : RIi8<0xBA, MRM5m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
1597 "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, TB;
1599 } // hasSideEffects = 0
1600 } // Defs = [EFLAGS]
1603 //===----------------------------------------------------------------------===//
1607 // Atomic swap. These are just normal xchg instructions. But since a memory
1608 // operand is referenced, the atomicity is ensured.
1609 multiclass ATOMIC_SWAP<bits<8> opc8, bits<8> opc, string mnemonic, string frag,
1610 InstrItinClass itin> {
1611 let Constraints = "$val = $dst", SchedRW = [WriteALULd, WriteRMW] in {
1612 def NAME#8rm : I<opc8, MRMSrcMem, (outs GR8:$dst),
1613 (ins GR8:$val, i8mem:$ptr),
1614 !strconcat(mnemonic, "{b}\t{$val, $ptr|$ptr, $val}"),
1617 (!cast<PatFrag>(frag # "_8") addr:$ptr, GR8:$val))],
1619 def NAME#16rm : I<opc, MRMSrcMem, (outs GR16:$dst),
1620 (ins GR16:$val, i16mem:$ptr),
1621 !strconcat(mnemonic, "{w}\t{$val, $ptr|$ptr, $val}"),
1624 (!cast<PatFrag>(frag # "_16") addr:$ptr, GR16:$val))],
1626 def NAME#32rm : I<opc, MRMSrcMem, (outs GR32:$dst),
1627 (ins GR32:$val, i32mem:$ptr),
1628 !strconcat(mnemonic, "{l}\t{$val, $ptr|$ptr, $val}"),
1631 (!cast<PatFrag>(frag # "_32") addr:$ptr, GR32:$val))],
1633 def NAME#64rm : RI<opc, MRMSrcMem, (outs GR64:$dst),
1634 (ins GR64:$val, i64mem:$ptr),
1635 !strconcat(mnemonic, "{q}\t{$val, $ptr|$ptr, $val}"),
1638 (!cast<PatFrag>(frag # "_64") addr:$ptr, GR64:$val))],
1643 defm XCHG : ATOMIC_SWAP<0x86, 0x87, "xchg", "atomic_swap", IIC_XCHG_MEM>;
1645 // Swap between registers.
1646 let SchedRW = [WriteALU] in {
1647 let Constraints = "$val = $dst" in {
1648 def XCHG8rr : I<0x86, MRMSrcReg, (outs GR8:$dst), (ins GR8:$val, GR8:$src),
1649 "xchg{b}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>;
1650 def XCHG16rr : I<0x87, MRMSrcReg, (outs GR16:$dst), (ins GR16:$val, GR16:$src),
1651 "xchg{w}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>,
1653 def XCHG32rr : I<0x87, MRMSrcReg, (outs GR32:$dst), (ins GR32:$val, GR32:$src),
1654 "xchg{l}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>,
1656 def XCHG64rr : RI<0x87, MRMSrcReg, (outs GR64:$dst), (ins GR64:$val,GR64:$src),
1657 "xchg{q}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>;
1660 // Swap between EAX and other registers.
1661 def XCHG16ar : I<0x90, AddRegFrm, (outs), (ins GR16:$src),
1662 "xchg{w}\t{$src, %ax|ax, $src}", [], IIC_XCHG_REG>, OpSize16;
1663 def XCHG32ar : I<0x90, AddRegFrm, (outs), (ins GR32:$src),
1664 "xchg{l}\t{$src, %eax|eax, $src}", [], IIC_XCHG_REG>,
1665 OpSize32, Requires<[Not64BitMode]>;
1666 // Uses GR32_NOAX in 64-bit mode to prevent encoding using the 0x90 NOP encoding.
1667 // xchg %eax, %eax needs to clear upper 32-bits of RAX so is not a NOP.
1668 def XCHG32ar64 : I<0x90, AddRegFrm, (outs), (ins GR32_NOAX:$src),
1669 "xchg{l}\t{$src, %eax|eax, $src}", [], IIC_XCHG_REG>,
1670 Requires<[In64BitMode]>;
1671 def XCHG64ar : RI<0x90, AddRegFrm, (outs), (ins GR64:$src),
1672 "xchg{q}\t{$src, %rax|rax, $src}", [], IIC_XCHG_REG>;
1675 let SchedRW = [WriteALU] in {
1676 def XADD8rr : I<0xC0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
1677 "xadd{b}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB;
1678 def XADD16rr : I<0xC1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1679 "xadd{w}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB,
1681 def XADD32rr : I<0xC1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
1682 "xadd{l}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB,
1684 def XADD64rr : RI<0xC1, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
1685 "xadd{q}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB;
1688 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1689 def XADD8rm : I<0xC0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1690 "xadd{b}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB;
1691 def XADD16rm : I<0xC1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1692 "xadd{w}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB,
1694 def XADD32rm : I<0xC1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1695 "xadd{l}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB,
1697 def XADD64rm : RI<0xC1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
1698 "xadd{q}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB;
1702 let SchedRW = [WriteALU] in {
1703 def CMPXCHG8rr : I<0xB0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
1704 "cmpxchg{b}\t{$src, $dst|$dst, $src}", [],
1705 IIC_CMPXCHG_REG8>, TB;
1706 def CMPXCHG16rr : I<0xB1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1707 "cmpxchg{w}\t{$src, $dst|$dst, $src}", [],
1708 IIC_CMPXCHG_REG>, TB, OpSize16;
1709 def CMPXCHG32rr : I<0xB1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
1710 "cmpxchg{l}\t{$src, $dst|$dst, $src}", [],
1711 IIC_CMPXCHG_REG>, TB, OpSize32;
1712 def CMPXCHG64rr : RI<0xB1, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
1713 "cmpxchg{q}\t{$src, $dst|$dst, $src}", [],
1714 IIC_CMPXCHG_REG>, TB;
1717 let SchedRW = [WriteALULd, WriteRMW] in {
1718 let mayLoad = 1, mayStore = 1 in {
1719 def CMPXCHG8rm : I<0xB0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1720 "cmpxchg{b}\t{$src, $dst|$dst, $src}", [],
1721 IIC_CMPXCHG_MEM8>, TB;
1722 def CMPXCHG16rm : I<0xB1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1723 "cmpxchg{w}\t{$src, $dst|$dst, $src}", [],
1724 IIC_CMPXCHG_MEM>, TB, OpSize16;
1725 def CMPXCHG32rm : I<0xB1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1726 "cmpxchg{l}\t{$src, $dst|$dst, $src}", [],
1727 IIC_CMPXCHG_MEM>, TB, OpSize32;
1728 def CMPXCHG64rm : RI<0xB1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
1729 "cmpxchg{q}\t{$src, $dst|$dst, $src}", [],
1730 IIC_CMPXCHG_MEM>, TB;
1733 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in
1734 def CMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$dst),
1735 "cmpxchg8b\t$dst", [], IIC_CMPXCHG_8B>, TB;
1737 let Defs = [RAX, RDX, EFLAGS], Uses = [RAX, RBX, RCX, RDX] in
1738 def CMPXCHG16B : RI<0xC7, MRM1m, (outs), (ins i128mem:$dst),
1739 "cmpxchg16b\t$dst", [], IIC_CMPXCHG_16B>,
1740 TB, Requires<[HasCmpxchg16b]>;
1744 // Lock instruction prefix
1745 def LOCK_PREFIX : I<0xF0, RawFrm, (outs), (ins), "lock", []>;
1747 // Rex64 instruction prefix
1748 def REX64_PREFIX : I<0x48, RawFrm, (outs), (ins), "rex64", []>,
1749 Requires<[In64BitMode]>;
1751 // Data16 instruction prefix
1752 def DATA16_PREFIX : I<0x66, RawFrm, (outs), (ins), "data16", []>;
1754 // Repeat string operation instruction prefixes
1755 // These uses the DF flag in the EFLAGS register to inc or dec ECX
1756 let Defs = [ECX], Uses = [ECX,EFLAGS] in {
1757 // Repeat (used with INS, OUTS, MOVS, LODS and STOS)
1758 def REP_PREFIX : I<0xF3, RawFrm, (outs), (ins), "rep", []>;
1759 // Repeat while not equal (used with CMPS and SCAS)
1760 def REPNE_PREFIX : I<0xF2, RawFrm, (outs), (ins), "repne", []>;
1764 // String manipulation instructions
1765 let SchedRW = [WriteMicrocoded] in {
1766 def LODSB : I<0xAC, RawFrmSrc, (outs), (ins srcidx8:$src),
1767 "lodsb\t{$src, %al|al, $src}", [], IIC_LODS>;
1768 def LODSW : I<0xAD, RawFrmSrc, (outs), (ins srcidx16:$src),
1769 "lodsw\t{$src, %ax|ax, $src}", [], IIC_LODS>, OpSize16;
1770 def LODSL : I<0xAD, RawFrmSrc, (outs), (ins srcidx32:$src),
1771 "lods{l|d}\t{$src, %eax|eax, $src}", [], IIC_LODS>, OpSize32;
1772 def LODSQ : RI<0xAD, RawFrmSrc, (outs), (ins srcidx64:$src),
1773 "lodsq\t{$src, %rax|rax, $src}", [], IIC_LODS>;
1776 let SchedRW = [WriteSystem] in {
1777 def OUTSB : I<0x6E, RawFrmSrc, (outs), (ins srcidx8:$src),
1778 "outsb\t{$src, %dx|dx, $src}", [], IIC_OUTS>;
1779 def OUTSW : I<0x6F, RawFrmSrc, (outs), (ins srcidx16:$src),
1780 "outsw\t{$src, %dx|dx, $src}", [], IIC_OUTS>, OpSize16;
1781 def OUTSL : I<0x6F, RawFrmSrc, (outs), (ins srcidx32:$src),
1782 "outs{l|d}\t{$src, %dx|dx, $src}", [], IIC_OUTS>, OpSize32;
1785 // Flag instructions
1786 let SchedRW = [WriteALU] in {
1787 def CLC : I<0xF8, RawFrm, (outs), (ins), "clc", [], IIC_CLC>;
1788 def STC : I<0xF9, RawFrm, (outs), (ins), "stc", [], IIC_STC>;
1789 def CLI : I<0xFA, RawFrm, (outs), (ins), "cli", [], IIC_CLI>;
1790 def STI : I<0xFB, RawFrm, (outs), (ins), "sti", [], IIC_STI>;
1791 def CLD : I<0xFC, RawFrm, (outs), (ins), "cld", [], IIC_CLD>;
1792 def STD : I<0xFD, RawFrm, (outs), (ins), "std", [], IIC_STD>;
1793 def CMC : I<0xF5, RawFrm, (outs), (ins), "cmc", [], IIC_CMC>;
1795 def CLTS : I<0x06, RawFrm, (outs), (ins), "clts", [], IIC_CLTS>, TB;
1798 // Table lookup instructions
1799 def XLAT : I<0xD7, RawFrm, (outs), (ins), "xlatb", [], IIC_XLAT>,
1802 let SchedRW = [WriteMicrocoded] in {
1803 // ASCII Adjust After Addition
1804 // sets AL, AH and CF and AF of EFLAGS and uses AL and AF of EFLAGS
1805 def AAA : I<0x37, RawFrm, (outs), (ins), "aaa", [], IIC_AAA>,
1806 Requires<[Not64BitMode]>;
1808 // ASCII Adjust AX Before Division
1809 // sets AL, AH and EFLAGS and uses AL and AH
1810 def AAD8i8 : Ii8<0xD5, RawFrm, (outs), (ins i8imm:$src),
1811 "aad\t$src", [], IIC_AAD>, Requires<[Not64BitMode]>;
1813 // ASCII Adjust AX After Multiply
1814 // sets AL, AH and EFLAGS and uses AL
1815 def AAM8i8 : Ii8<0xD4, RawFrm, (outs), (ins i8imm:$src),
1816 "aam\t$src", [], IIC_AAM>, Requires<[Not64BitMode]>;
1818 // ASCII Adjust AL After Subtraction - sets
1819 // sets AL, AH and CF and AF of EFLAGS and uses AL and AF of EFLAGS
1820 def AAS : I<0x3F, RawFrm, (outs), (ins), "aas", [], IIC_AAS>,
1821 Requires<[Not64BitMode]>;
1823 // Decimal Adjust AL after Addition
1824 // sets AL, CF and AF of EFLAGS and uses AL, CF and AF of EFLAGS
1825 def DAA : I<0x27, RawFrm, (outs), (ins), "daa", [], IIC_DAA>,
1826 Requires<[Not64BitMode]>;
1828 // Decimal Adjust AL after Subtraction
1829 // sets AL, CF and AF of EFLAGS and uses AL, CF and AF of EFLAGS
1830 def DAS : I<0x2F, RawFrm, (outs), (ins), "das", [], IIC_DAS>,
1831 Requires<[Not64BitMode]>;
1834 let SchedRW = [WriteSystem] in {
1835 // Check Array Index Against Bounds
1836 def BOUNDS16rm : I<0x62, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1837 "bound\t{$src, $dst|$dst, $src}", [], IIC_BOUND>, OpSize16,
1838 Requires<[Not64BitMode]>;
1839 def BOUNDS32rm : I<0x62, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1840 "bound\t{$src, $dst|$dst, $src}", [], IIC_BOUND>, OpSize32,
1841 Requires<[Not64BitMode]>;
1843 // Adjust RPL Field of Segment Selector
1844 def ARPL16rr : I<0x63, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1845 "arpl\t{$src, $dst|$dst, $src}", [], IIC_ARPL_REG>,
1846 Requires<[Not64BitMode]>;
1847 def ARPL16mr : I<0x63, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1848 "arpl\t{$src, $dst|$dst, $src}", [], IIC_ARPL_MEM>,
1849 Requires<[Not64BitMode]>;
1852 //===----------------------------------------------------------------------===//
1853 // MOVBE Instructions
1855 let Predicates = [HasMOVBE] in {
1856 let SchedRW = [WriteALULd] in {
1857 def MOVBE16rm : I<0xF0, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1858 "movbe{w}\t{$src, $dst|$dst, $src}",
1859 [(set GR16:$dst, (bswap (loadi16 addr:$src)))], IIC_MOVBE>,
1861 def MOVBE32rm : I<0xF0, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1862 "movbe{l}\t{$src, $dst|$dst, $src}",
1863 [(set GR32:$dst, (bswap (loadi32 addr:$src)))], IIC_MOVBE>,
1865 def MOVBE64rm : RI<0xF0, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1866 "movbe{q}\t{$src, $dst|$dst, $src}",
1867 [(set GR64:$dst, (bswap (loadi64 addr:$src)))], IIC_MOVBE>,
1870 let SchedRW = [WriteStore] in {
1871 def MOVBE16mr : I<0xF1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1872 "movbe{w}\t{$src, $dst|$dst, $src}",
1873 [(store (bswap GR16:$src), addr:$dst)], IIC_MOVBE>,
1875 def MOVBE32mr : I<0xF1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1876 "movbe{l}\t{$src, $dst|$dst, $src}",
1877 [(store (bswap GR32:$src), addr:$dst)], IIC_MOVBE>,
1879 def MOVBE64mr : RI<0xF1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
1880 "movbe{q}\t{$src, $dst|$dst, $src}",
1881 [(store (bswap GR64:$src), addr:$dst)], IIC_MOVBE>,
1886 //===----------------------------------------------------------------------===//
1887 // RDRAND Instruction
1889 let Predicates = [HasRDRAND], Defs = [EFLAGS] in {
1890 def RDRAND16r : I<0xC7, MRM6r, (outs GR16:$dst), (ins),
1892 [(set GR16:$dst, EFLAGS, (X86rdrand))]>, OpSize16, TB;
1893 def RDRAND32r : I<0xC7, MRM6r, (outs GR32:$dst), (ins),
1895 [(set GR32:$dst, EFLAGS, (X86rdrand))]>, OpSize32, TB;
1896 def RDRAND64r : RI<0xC7, MRM6r, (outs GR64:$dst), (ins),
1898 [(set GR64:$dst, EFLAGS, (X86rdrand))]>, TB;
1901 //===----------------------------------------------------------------------===//
1902 // RDSEED Instruction
1904 let Predicates = [HasRDSEED], Defs = [EFLAGS] in {
1905 def RDSEED16r : I<0xC7, MRM7r, (outs GR16:$dst), (ins),
1907 [(set GR16:$dst, EFLAGS, (X86rdseed))]>, OpSize16, TB;
1908 def RDSEED32r : I<0xC7, MRM7r, (outs GR32:$dst), (ins),
1910 [(set GR32:$dst, EFLAGS, (X86rdseed))]>, OpSize32, TB;
1911 def RDSEED64r : RI<0xC7, MRM7r, (outs GR64:$dst), (ins),
1913 [(set GR64:$dst, EFLAGS, (X86rdseed))]>, TB;
1916 //===----------------------------------------------------------------------===//
1917 // LZCNT Instruction
1919 let Predicates = [HasLZCNT], Defs = [EFLAGS] in {
1920 def LZCNT16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1921 "lzcnt{w}\t{$src, $dst|$dst, $src}",
1922 [(set GR16:$dst, (ctlz GR16:$src)), (implicit EFLAGS)]>, XS,
1924 def LZCNT16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1925 "lzcnt{w}\t{$src, $dst|$dst, $src}",
1926 [(set GR16:$dst, (ctlz (loadi16 addr:$src))),
1927 (implicit EFLAGS)]>, XS, OpSize16;
1929 def LZCNT32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1930 "lzcnt{l}\t{$src, $dst|$dst, $src}",
1931 [(set GR32:$dst, (ctlz GR32:$src)), (implicit EFLAGS)]>, XS,
1933 def LZCNT32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1934 "lzcnt{l}\t{$src, $dst|$dst, $src}",
1935 [(set GR32:$dst, (ctlz (loadi32 addr:$src))),
1936 (implicit EFLAGS)]>, XS, OpSize32;
1938 def LZCNT64rr : RI<0xBD, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1939 "lzcnt{q}\t{$src, $dst|$dst, $src}",
1940 [(set GR64:$dst, (ctlz GR64:$src)), (implicit EFLAGS)]>,
1942 def LZCNT64rm : RI<0xBD, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1943 "lzcnt{q}\t{$src, $dst|$dst, $src}",
1944 [(set GR64:$dst, (ctlz (loadi64 addr:$src))),
1945 (implicit EFLAGS)]>, XS;
1948 //===----------------------------------------------------------------------===//
1951 let Predicates = [HasBMI], Defs = [EFLAGS] in {
1952 def TZCNT16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1953 "tzcnt{w}\t{$src, $dst|$dst, $src}",
1954 [(set GR16:$dst, (cttz GR16:$src)), (implicit EFLAGS)]>, XS,
1956 def TZCNT16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1957 "tzcnt{w}\t{$src, $dst|$dst, $src}",
1958 [(set GR16:$dst, (cttz (loadi16 addr:$src))),
1959 (implicit EFLAGS)]>, XS, OpSize16;
1961 def TZCNT32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1962 "tzcnt{l}\t{$src, $dst|$dst, $src}",
1963 [(set GR32:$dst, (cttz GR32:$src)), (implicit EFLAGS)]>, XS,
1965 def TZCNT32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1966 "tzcnt{l}\t{$src, $dst|$dst, $src}",
1967 [(set GR32:$dst, (cttz (loadi32 addr:$src))),
1968 (implicit EFLAGS)]>, XS, OpSize32;
1970 def TZCNT64rr : RI<0xBC, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1971 "tzcnt{q}\t{$src, $dst|$dst, $src}",
1972 [(set GR64:$dst, (cttz GR64:$src)), (implicit EFLAGS)]>,
1974 def TZCNT64rm : RI<0xBC, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1975 "tzcnt{q}\t{$src, $dst|$dst, $src}",
1976 [(set GR64:$dst, (cttz (loadi64 addr:$src))),
1977 (implicit EFLAGS)]>, XS;
1980 multiclass bmi_bls<string mnemonic, Format RegMRM, Format MemMRM,
1981 RegisterClass RC, X86MemOperand x86memop, SDNode OpNode,
1983 def rr : I<0xF3, RegMRM, (outs RC:$dst), (ins RC:$src),
1984 !strconcat(mnemonic, "\t{$src, $dst|$dst, $src}"),
1985 [(set RC:$dst, (OpNode RC:$src)), (implicit EFLAGS)]>, T8, VEX_4V;
1986 def rm : I<0xF3, MemMRM, (outs RC:$dst), (ins x86memop:$src),
1987 !strconcat(mnemonic, "\t{$src, $dst|$dst, $src}"),
1988 [(set RC:$dst, (OpNode (ld_frag addr:$src))), (implicit EFLAGS)]>,
1992 let Predicates = [HasBMI], Defs = [EFLAGS] in {
1993 defm BLSR32 : bmi_bls<"blsr{l}", MRM1r, MRM1m, GR32, i32mem,
1995 defm BLSR64 : bmi_bls<"blsr{q}", MRM1r, MRM1m, GR64, i64mem,
1996 X86blsr, loadi64>, VEX_W;
1997 defm BLSMSK32 : bmi_bls<"blsmsk{l}", MRM2r, MRM2m, GR32, i32mem,
1998 X86blsmsk, loadi32>;
1999 defm BLSMSK64 : bmi_bls<"blsmsk{q}", MRM2r, MRM2m, GR64, i64mem,
2000 X86blsmsk, loadi64>, VEX_W;
2001 defm BLSI32 : bmi_bls<"blsi{l}", MRM3r, MRM3m, GR32, i32mem,
2003 defm BLSI64 : bmi_bls<"blsi{q}", MRM3r, MRM3m, GR64, i64mem,
2004 X86blsi, loadi64>, VEX_W;
2007 multiclass bmi_bextr_bzhi<bits<8> opc, string mnemonic, RegisterClass RC,
2008 X86MemOperand x86memop, Intrinsic Int,
2010 def rr : I<opc, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, RC:$src2),
2011 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
2012 [(set RC:$dst, (Int RC:$src1, RC:$src2)), (implicit EFLAGS)]>,
2014 def rm : I<opc, MRMSrcMem, (outs RC:$dst), (ins x86memop:$src1, RC:$src2),
2015 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
2016 [(set RC:$dst, (Int (ld_frag addr:$src1), RC:$src2)),
2017 (implicit EFLAGS)]>, T8, VEX_4VOp3;
2020 let Predicates = [HasBMI], Defs = [EFLAGS] in {
2021 defm BEXTR32 : bmi_bextr_bzhi<0xF7, "bextr{l}", GR32, i32mem,
2022 int_x86_bmi_bextr_32, loadi32>;
2023 defm BEXTR64 : bmi_bextr_bzhi<0xF7, "bextr{q}", GR64, i64mem,
2024 int_x86_bmi_bextr_64, loadi64>, VEX_W;
2027 let Predicates = [HasBMI2], Defs = [EFLAGS] in {
2028 defm BZHI32 : bmi_bextr_bzhi<0xF5, "bzhi{l}", GR32, i32mem,
2029 int_x86_bmi_bzhi_32, loadi32>;
2030 defm BZHI64 : bmi_bextr_bzhi<0xF5, "bzhi{q}", GR64, i64mem,
2031 int_x86_bmi_bzhi_64, loadi64>, VEX_W;
2034 def : Pat<(X86bzhi GR32:$src1, GR8:$src2),
2035 (BZHI32rr GR32:$src1,
2036 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR8:$src2, sub_8bit))>;
2037 def : Pat<(X86bzhi (loadi32 addr:$src1), GR8:$src2),
2038 (BZHI32rm addr:$src1,
2039 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR8:$src2, sub_8bit))>;
2040 def : Pat<(X86bzhi GR64:$src1, GR8:$src2),
2041 (BZHI64rr GR64:$src1,
2042 (INSERT_SUBREG (i64 (IMPLICIT_DEF)), GR8:$src2, sub_8bit))>;
2043 def : Pat<(X86bzhi (loadi64 addr:$src1), GR8:$src2),
2044 (BZHI64rm addr:$src1,
2045 (INSERT_SUBREG (i64 (IMPLICIT_DEF)), GR8:$src2, sub_8bit))>;
2047 let Predicates = [HasBMI] in {
2048 def : Pat<(X86bextr GR32:$src1, GR32:$src2),
2049 (BEXTR32rr GR32:$src1, GR32:$src2)>;
2050 def : Pat<(X86bextr (loadi32 addr:$src1), GR32:$src2),
2051 (BEXTR32rm addr:$src1, GR32:$src2)>;
2052 def : Pat<(X86bextr GR64:$src1, GR64:$src2),
2053 (BEXTR64rr GR64:$src1, GR64:$src2)>;
2054 def : Pat<(X86bextr (loadi64 addr:$src1), GR64:$src2),
2055 (BEXTR64rm addr:$src1, GR64:$src2)>;
2058 multiclass bmi_pdep_pext<string mnemonic, RegisterClass RC,
2059 X86MemOperand x86memop, Intrinsic Int,
2061 def rr : I<0xF5, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, RC:$src2),
2062 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
2063 [(set RC:$dst, (Int RC:$src1, RC:$src2))]>,
2065 def rm : I<0xF5, MRMSrcMem, (outs RC:$dst), (ins RC:$src1, x86memop:$src2),
2066 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
2067 [(set RC:$dst, (Int RC:$src1, (ld_frag addr:$src2)))]>, VEX_4V;
2070 let Predicates = [HasBMI2] in {
2071 defm PDEP32 : bmi_pdep_pext<"pdep{l}", GR32, i32mem,
2072 int_x86_bmi_pdep_32, loadi32>, T8XD;
2073 defm PDEP64 : bmi_pdep_pext<"pdep{q}", GR64, i64mem,
2074 int_x86_bmi_pdep_64, loadi64>, T8XD, VEX_W;
2075 defm PEXT32 : bmi_pdep_pext<"pext{l}", GR32, i32mem,
2076 int_x86_bmi_pext_32, loadi32>, T8XS;
2077 defm PEXT64 : bmi_pdep_pext<"pext{q}", GR64, i64mem,
2078 int_x86_bmi_pext_64, loadi64>, T8XS, VEX_W;
2081 //===----------------------------------------------------------------------===//
2084 let Predicates = [HasTBM], Defs = [EFLAGS] in {
2086 multiclass tbm_ternary_imm_intr<bits<8> opc, RegisterClass RC, string OpcodeStr,
2087 X86MemOperand x86memop, PatFrag ld_frag,
2088 Intrinsic Int, Operand immtype,
2089 SDPatternOperator immoperator> {
2090 def ri : Ii32<opc, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, immtype:$cntl),
2091 !strconcat(OpcodeStr,
2092 "\t{$cntl, $src1, $dst|$dst, $src1, $cntl}"),
2093 [(set RC:$dst, (Int RC:$src1, immoperator:$cntl))]>,
2095 def mi : Ii32<opc, MRMSrcMem, (outs RC:$dst),
2096 (ins x86memop:$src1, immtype:$cntl),
2097 !strconcat(OpcodeStr,
2098 "\t{$cntl, $src1, $dst|$dst, $src1, $cntl}"),
2099 [(set RC:$dst, (Int (ld_frag addr:$src1), immoperator:$cntl))]>,
2103 defm BEXTRI32 : tbm_ternary_imm_intr<0x10, GR32, "bextr", i32mem, loadi32,
2104 int_x86_tbm_bextri_u32, i32imm, imm>;
2105 let ImmT = Imm32S in
2106 defm BEXTRI64 : tbm_ternary_imm_intr<0x10, GR64, "bextr", i64mem, loadi64,
2107 int_x86_tbm_bextri_u64, i64i32imm,
2108 i64immSExt32>, VEX_W;
2110 multiclass tbm_binary_rm<bits<8> opc, Format FormReg, Format FormMem,
2111 RegisterClass RC, string OpcodeStr,
2112 X86MemOperand x86memop, PatFrag ld_frag> {
2113 let hasSideEffects = 0 in {
2114 def rr : I<opc, FormReg, (outs RC:$dst), (ins RC:$src),
2115 !strconcat(OpcodeStr,"\t{$src, $dst|$dst, $src}"),
2118 def rm : I<opc, FormMem, (outs RC:$dst), (ins x86memop:$src),
2119 !strconcat(OpcodeStr,"\t{$src, $dst|$dst, $src}"),
2124 multiclass tbm_binary_intr<bits<8> opc, string OpcodeStr,
2125 Format FormReg, Format FormMem> {
2126 defm NAME#32 : tbm_binary_rm<opc, FormReg, FormMem, GR32, OpcodeStr, i32mem,
2128 defm NAME#64 : tbm_binary_rm<opc, FormReg, FormMem, GR64, OpcodeStr, i64mem,
2132 defm BLCFILL : tbm_binary_intr<0x01, "blcfill", MRM1r, MRM1m>;
2133 defm BLCI : tbm_binary_intr<0x02, "blci", MRM6r, MRM6m>;
2134 defm BLCIC : tbm_binary_intr<0x01, "blcic", MRM5r, MRM5m>;
2135 defm BLCMSK : tbm_binary_intr<0x02, "blcmsk", MRM1r, MRM1m>;
2136 defm BLCS : tbm_binary_intr<0x01, "blcs", MRM3r, MRM3m>;
2137 defm BLSFILL : tbm_binary_intr<0x01, "blsfill", MRM2r, MRM2m>;
2138 defm BLSIC : tbm_binary_intr<0x01, "blsic", MRM6r, MRM6m>;
2139 defm T1MSKC : tbm_binary_intr<0x01, "t1mskc", MRM7r, MRM7m>;
2140 defm TZMSK : tbm_binary_intr<0x01, "tzmsk", MRM4r, MRM4m>;
2143 //===----------------------------------------------------------------------===//
2144 // Pattern fragments to auto generate TBM instructions.
2145 //===----------------------------------------------------------------------===//
2147 let Predicates = [HasTBM] in {
2148 def : Pat<(X86bextr GR32:$src1, (i32 imm:$src2)),
2149 (BEXTRI32ri GR32:$src1, imm:$src2)>;
2150 def : Pat<(X86bextr (loadi32 addr:$src1), (i32 imm:$src2)),
2151 (BEXTRI32mi addr:$src1, imm:$src2)>;
2152 def : Pat<(X86bextr GR64:$src1, i64immSExt32:$src2),
2153 (BEXTRI64ri GR64:$src1, i64immSExt32:$src2)>;
2154 def : Pat<(X86bextr (loadi64 addr:$src1), i64immSExt32:$src2),
2155 (BEXTRI64mi addr:$src1, i64immSExt32:$src2)>;
2157 // FIXME: patterns for the load versions are not implemented
2158 def : Pat<(and GR32:$src, (add GR32:$src, 1)),
2159 (BLCFILL32rr GR32:$src)>;
2160 def : Pat<(and GR64:$src, (add GR64:$src, 1)),
2161 (BLCFILL64rr GR64:$src)>;
2163 def : Pat<(or GR32:$src, (not (add GR32:$src, 1))),
2164 (BLCI32rr GR32:$src)>;
2165 def : Pat<(or GR64:$src, (not (add GR64:$src, 1))),
2166 (BLCI64rr GR64:$src)>;
2168 // Extra patterns because opt can optimize the above patterns to this.
2169 def : Pat<(or GR32:$src, (sub -2, GR32:$src)),
2170 (BLCI32rr GR32:$src)>;
2171 def : Pat<(or GR64:$src, (sub -2, GR64:$src)),
2172 (BLCI64rr GR64:$src)>;
2174 def : Pat<(and (not GR32:$src), (add GR32:$src, 1)),
2175 (BLCIC32rr GR32:$src)>;
2176 def : Pat<(and (not GR64:$src), (add GR64:$src, 1)),
2177 (BLCIC64rr GR64:$src)>;
2179 def : Pat<(xor GR32:$src, (add GR32:$src, 1)),
2180 (BLCMSK32rr GR32:$src)>;
2181 def : Pat<(xor GR64:$src, (add GR64:$src, 1)),
2182 (BLCMSK64rr GR64:$src)>;
2184 def : Pat<(or GR32:$src, (add GR32:$src, 1)),
2185 (BLCS32rr GR32:$src)>;
2186 def : Pat<(or GR64:$src, (add GR64:$src, 1)),
2187 (BLCS64rr GR64:$src)>;
2189 def : Pat<(or GR32:$src, (add GR32:$src, -1)),
2190 (BLSFILL32rr GR32:$src)>;
2191 def : Pat<(or GR64:$src, (add GR64:$src, -1)),
2192 (BLSFILL64rr GR64:$src)>;
2194 def : Pat<(or (not GR32:$src), (add GR32:$src, -1)),
2195 (BLSIC32rr GR32:$src)>;
2196 def : Pat<(or (not GR64:$src), (add GR64:$src, -1)),
2197 (BLSIC64rr GR64:$src)>;
2199 def : Pat<(or (not GR32:$src), (add GR32:$src, 1)),
2200 (T1MSKC32rr GR32:$src)>;
2201 def : Pat<(or (not GR64:$src), (add GR64:$src, 1)),
2202 (T1MSKC64rr GR64:$src)>;
2204 def : Pat<(and (not GR32:$src), (add GR32:$src, -1)),
2205 (TZMSK32rr GR32:$src)>;
2206 def : Pat<(and (not GR64:$src), (add GR64:$src, -1)),
2207 (TZMSK64rr GR64:$src)>;
2210 //===----------------------------------------------------------------------===//
2212 //===----------------------------------------------------------------------===//
2214 include "X86InstrArithmetic.td"
2215 include "X86InstrCMovSetCC.td"
2216 include "X86InstrExtension.td"
2217 include "X86InstrControl.td"
2218 include "X86InstrShiftRotate.td"
2220 // X87 Floating Point Stack.
2221 include "X86InstrFPStack.td"
2223 // SIMD support (SSE, MMX and AVX)
2224 include "X86InstrFragmentsSIMD.td"
2226 // FMA - Fused Multiply-Add support (requires FMA)
2227 include "X86InstrFMA.td"
2230 include "X86InstrXOP.td"
2232 // SSE, MMX and 3DNow! vector support.
2233 include "X86InstrSSE.td"
2234 include "X86InstrAVX512.td"
2235 include "X86InstrMMX.td"
2236 include "X86Instr3DNow.td"
2238 include "X86InstrVMX.td"
2239 include "X86InstrSVM.td"
2241 include "X86InstrTSX.td"
2243 // System instructions.
2244 include "X86InstrSystem.td"
2246 // Compiler Pseudo Instructions and Pat Patterns
2247 include "X86InstrCompiler.td"
2249 //===----------------------------------------------------------------------===//
2250 // Assembler Mnemonic Aliases
2251 //===----------------------------------------------------------------------===//
2253 def : MnemonicAlias<"call", "callw", "att">, Requires<[In16BitMode]>;
2254 def : MnemonicAlias<"call", "calll", "att">, Requires<[In32BitMode]>;
2255 def : MnemonicAlias<"call", "callq", "att">, Requires<[In64BitMode]>;
2257 def : MnemonicAlias<"cbw", "cbtw", "att">;
2258 def : MnemonicAlias<"cwde", "cwtl", "att">;
2259 def : MnemonicAlias<"cwd", "cwtd", "att">;
2260 def : MnemonicAlias<"cdq", "cltd", "att">;
2261 def : MnemonicAlias<"cdqe", "cltq", "att">;
2262 def : MnemonicAlias<"cqo", "cqto", "att">;
2264 // In 64-bit mode lret maps to lretl; it is not ambiguous with lretq.
2265 def : MnemonicAlias<"lret", "lretw", "att">, Requires<[In16BitMode]>;
2266 def : MnemonicAlias<"lret", "lretl", "att">, Requires<[Not16BitMode]>;
2268 def : MnemonicAlias<"leavel", "leave", "att">, Requires<[Not64BitMode]>;
2269 def : MnemonicAlias<"leaveq", "leave", "att">, Requires<[In64BitMode]>;
2271 def : MnemonicAlias<"loopz", "loope", "att">;
2272 def : MnemonicAlias<"loopnz", "loopne", "att">;
2274 def : MnemonicAlias<"pop", "popw", "att">, Requires<[In16BitMode]>;
2275 def : MnemonicAlias<"pop", "popl", "att">, Requires<[In32BitMode]>;
2276 def : MnemonicAlias<"pop", "popq", "att">, Requires<[In64BitMode]>;
2277 def : MnemonicAlias<"popf", "popfw", "att">, Requires<[In16BitMode]>;
2278 def : MnemonicAlias<"popf", "popfl", "att">, Requires<[In32BitMode]>;
2279 def : MnemonicAlias<"popf", "popfq", "att">, Requires<[In64BitMode]>;
2280 def : MnemonicAlias<"popfd", "popfl", "att">;
2282 // FIXME: This is wrong for "push reg". "push %bx" should turn into pushw in
2283 // all modes. However: "push (addr)" and "push $42" should default to
2284 // pushl/pushq depending on the current mode. Similar for "pop %bx"
2285 def : MnemonicAlias<"push", "pushw", "att">, Requires<[In16BitMode]>;
2286 def : MnemonicAlias<"push", "pushl", "att">, Requires<[In32BitMode]>;
2287 def : MnemonicAlias<"push", "pushq", "att">, Requires<[In64BitMode]>;
2288 def : MnemonicAlias<"pushf", "pushfw", "att">, Requires<[In16BitMode]>;
2289 def : MnemonicAlias<"pushf", "pushfl", "att">, Requires<[In32BitMode]>;
2290 def : MnemonicAlias<"pushf", "pushfq", "att">, Requires<[In64BitMode]>;
2291 def : MnemonicAlias<"pushfd", "pushfl", "att">;
2293 def : MnemonicAlias<"popad", "popal", "intel">, Requires<[Not64BitMode]>;
2294 def : MnemonicAlias<"pushad", "pushal", "intel">, Requires<[Not64BitMode]>;
2295 def : MnemonicAlias<"popa", "popaw", "intel">, Requires<[In16BitMode]>;
2296 def : MnemonicAlias<"pusha", "pushaw", "intel">, Requires<[In16BitMode]>;
2297 def : MnemonicAlias<"popa", "popal", "intel">, Requires<[In32BitMode]>;
2298 def : MnemonicAlias<"pusha", "pushal", "intel">, Requires<[In32BitMode]>;
2300 def : MnemonicAlias<"popa", "popaw", "att">, Requires<[In16BitMode]>;
2301 def : MnemonicAlias<"pusha", "pushaw", "att">, Requires<[In16BitMode]>;
2302 def : MnemonicAlias<"popa", "popal", "att">, Requires<[In32BitMode]>;
2303 def : MnemonicAlias<"pusha", "pushal", "att">, Requires<[In32BitMode]>;
2305 def : MnemonicAlias<"repe", "rep", "att">;
2306 def : MnemonicAlias<"repz", "rep", "att">;
2307 def : MnemonicAlias<"repnz", "repne", "att">;
2309 def : MnemonicAlias<"ret", "retw", "att">, Requires<[In16BitMode]>;
2310 def : MnemonicAlias<"ret", "retl", "att">, Requires<[In32BitMode]>;
2311 def : MnemonicAlias<"ret", "retq", "att">, Requires<[In64BitMode]>;
2313 def : MnemonicAlias<"salb", "shlb", "att">;
2314 def : MnemonicAlias<"salw", "shlw", "att">;
2315 def : MnemonicAlias<"sall", "shll", "att">;
2316 def : MnemonicAlias<"salq", "shlq", "att">;
2318 def : MnemonicAlias<"smovb", "movsb", "att">;
2319 def : MnemonicAlias<"smovw", "movsw", "att">;
2320 def : MnemonicAlias<"smovl", "movsl", "att">;
2321 def : MnemonicAlias<"smovq", "movsq", "att">;
2323 def : MnemonicAlias<"ud2a", "ud2", "att">;
2324 def : MnemonicAlias<"verrw", "verr", "att">;
2326 // System instruction aliases.
2327 def : MnemonicAlias<"iret", "iretw", "att">, Requires<[In16BitMode]>;
2328 def : MnemonicAlias<"iret", "iretl", "att">, Requires<[Not16BitMode]>;
2329 def : MnemonicAlias<"sysret", "sysretl", "att">;
2330 def : MnemonicAlias<"sysexit", "sysexitl", "att">;
2332 def : MnemonicAlias<"lgdt", "lgdtw", "att">, Requires<[In16BitMode]>;
2333 def : MnemonicAlias<"lgdt", "lgdtl", "att">, Requires<[In32BitMode]>;
2334 def : MnemonicAlias<"lgdt", "lgdtq", "att">, Requires<[In64BitMode]>;
2335 def : MnemonicAlias<"lidt", "lidtw", "att">, Requires<[In16BitMode]>;
2336 def : MnemonicAlias<"lidt", "lidtl", "att">, Requires<[In32BitMode]>;
2337 def : MnemonicAlias<"lidt", "lidtq", "att">, Requires<[In64BitMode]>;
2338 def : MnemonicAlias<"sgdt", "sgdtw", "att">, Requires<[In16BitMode]>;
2339 def : MnemonicAlias<"sgdt", "sgdtl", "att">, Requires<[In32BitMode]>;
2340 def : MnemonicAlias<"sgdt", "sgdtq", "att">, Requires<[In64BitMode]>;
2341 def : MnemonicAlias<"sidt", "sidtw", "att">, Requires<[In16BitMode]>;
2342 def : MnemonicAlias<"sidt", "sidtl", "att">, Requires<[In32BitMode]>;
2343 def : MnemonicAlias<"sidt", "sidtq", "att">, Requires<[In64BitMode]>;
2346 // Floating point stack aliases.
2347 def : MnemonicAlias<"fcmovz", "fcmove", "att">;
2348 def : MnemonicAlias<"fcmova", "fcmovnbe", "att">;
2349 def : MnemonicAlias<"fcmovnae", "fcmovb", "att">;
2350 def : MnemonicAlias<"fcmovna", "fcmovbe", "att">;
2351 def : MnemonicAlias<"fcmovae", "fcmovnb", "att">;
2352 def : MnemonicAlias<"fcomip", "fcompi", "att">;
2353 def : MnemonicAlias<"fildq", "fildll", "att">;
2354 def : MnemonicAlias<"fistpq", "fistpll", "att">;
2355 def : MnemonicAlias<"fisttpq", "fisttpll", "att">;
2356 def : MnemonicAlias<"fldcww", "fldcw", "att">;
2357 def : MnemonicAlias<"fnstcww", "fnstcw", "att">;
2358 def : MnemonicAlias<"fnstsww", "fnstsw", "att">;
2359 def : MnemonicAlias<"fucomip", "fucompi", "att">;
2360 def : MnemonicAlias<"fwait", "wait", "att">;
2363 class CondCodeAlias<string Prefix,string Suffix, string OldCond, string NewCond,
2365 : MnemonicAlias<!strconcat(Prefix, OldCond, Suffix),
2366 !strconcat(Prefix, NewCond, Suffix), VariantName>;
2368 /// IntegerCondCodeMnemonicAlias - This multiclass defines a bunch of
2369 /// MnemonicAlias's that canonicalize the condition code in a mnemonic, for
2370 /// example "setz" -> "sete".
2371 multiclass IntegerCondCodeMnemonicAlias<string Prefix, string Suffix,
2373 def C : CondCodeAlias<Prefix, Suffix, "c", "b", V>; // setc -> setb
2374 def Z : CondCodeAlias<Prefix, Suffix, "z" , "e", V>; // setz -> sete
2375 def NA : CondCodeAlias<Prefix, Suffix, "na", "be", V>; // setna -> setbe
2376 def NB : CondCodeAlias<Prefix, Suffix, "nb", "ae", V>; // setnb -> setae
2377 def NC : CondCodeAlias<Prefix, Suffix, "nc", "ae", V>; // setnc -> setae
2378 def NG : CondCodeAlias<Prefix, Suffix, "ng", "le", V>; // setng -> setle
2379 def NL : CondCodeAlias<Prefix, Suffix, "nl", "ge", V>; // setnl -> setge
2380 def NZ : CondCodeAlias<Prefix, Suffix, "nz", "ne", V>; // setnz -> setne
2381 def PE : CondCodeAlias<Prefix, Suffix, "pe", "p", V>; // setpe -> setp
2382 def PO : CondCodeAlias<Prefix, Suffix, "po", "np", V>; // setpo -> setnp
2384 def NAE : CondCodeAlias<Prefix, Suffix, "nae", "b", V>; // setnae -> setb
2385 def NBE : CondCodeAlias<Prefix, Suffix, "nbe", "a", V>; // setnbe -> seta
2386 def NGE : CondCodeAlias<Prefix, Suffix, "nge", "l", V>; // setnge -> setl
2387 def NLE : CondCodeAlias<Prefix, Suffix, "nle", "g", V>; // setnle -> setg
2390 // Aliases for set<CC>
2391 defm : IntegerCondCodeMnemonicAlias<"set", "">;
2392 // Aliases for j<CC>
2393 defm : IntegerCondCodeMnemonicAlias<"j", "">;
2394 // Aliases for cmov<CC>{w,l,q}
2395 defm : IntegerCondCodeMnemonicAlias<"cmov", "w", "att">;
2396 defm : IntegerCondCodeMnemonicAlias<"cmov", "l", "att">;
2397 defm : IntegerCondCodeMnemonicAlias<"cmov", "q", "att">;
2398 // No size suffix for intel-style asm.
2399 defm : IntegerCondCodeMnemonicAlias<"cmov", "", "intel">;
2402 //===----------------------------------------------------------------------===//
2403 // Assembler Instruction Aliases
2404 //===----------------------------------------------------------------------===//
2406 // aad/aam default to base 10 if no operand is specified.
2407 def : InstAlias<"aad", (AAD8i8 10)>;
2408 def : InstAlias<"aam", (AAM8i8 10)>;
2410 // Disambiguate the mem/imm form of bt-without-a-suffix as btl.
2411 // Likewise for btc/btr/bts.
2412 def : InstAlias<"bt {$imm, $mem|$mem, $imm}",
2413 (BT32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
2414 def : InstAlias<"btc {$imm, $mem|$mem, $imm}",
2415 (BTC32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
2416 def : InstAlias<"btr {$imm, $mem|$mem, $imm}",
2417 (BTR32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
2418 def : InstAlias<"bts {$imm, $mem|$mem, $imm}",
2419 (BTS32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
2422 def : InstAlias<"clrb $reg", (XOR8rr GR8 :$reg, GR8 :$reg), 0>;
2423 def : InstAlias<"clrw $reg", (XOR16rr GR16:$reg, GR16:$reg), 0>;
2424 def : InstAlias<"clrl $reg", (XOR32rr GR32:$reg, GR32:$reg), 0>;
2425 def : InstAlias<"clrq $reg", (XOR64rr GR64:$reg, GR64:$reg), 0>;
2427 // lods aliases. Accept the destination being omitted because it's implicit
2428 // in the mnemonic, or the mnemonic suffix being omitted because it's implicit
2429 // in the destination.
2430 def : InstAlias<"lodsb $src", (LODSB srcidx8:$src), 0>;
2431 def : InstAlias<"lodsw $src", (LODSW srcidx16:$src), 0>;
2432 def : InstAlias<"lods{l|d} $src", (LODSL srcidx32:$src), 0>;
2433 def : InstAlias<"lodsq $src", (LODSQ srcidx64:$src), 0>, Requires<[In64BitMode]>;
2434 def : InstAlias<"lods {$src, %al|al, $src}", (LODSB srcidx8:$src), 0>;
2435 def : InstAlias<"lods {$src, %ax|ax, $src}", (LODSW srcidx16:$src), 0>;
2436 def : InstAlias<"lods {$src, %eax|eax, $src}", (LODSL srcidx32:$src), 0>;
2437 def : InstAlias<"lods {$src, %rax|rax, $src}", (LODSQ srcidx64:$src), 0>, Requires<[In64BitMode]>;
2439 // stos aliases. Accept the source being omitted because it's implicit in
2440 // the mnemonic, or the mnemonic suffix being omitted because it's implicit
2442 def : InstAlias<"stosb $dst", (STOSB dstidx8:$dst), 0>;
2443 def : InstAlias<"stosw $dst", (STOSW dstidx16:$dst), 0>;
2444 def : InstAlias<"stos{l|d} $dst", (STOSL dstidx32:$dst), 0>;
2445 def : InstAlias<"stosq $dst", (STOSQ dstidx64:$dst), 0>, Requires<[In64BitMode]>;
2446 def : InstAlias<"stos {%al, $dst|$dst, al}", (STOSB dstidx8:$dst), 0>;
2447 def : InstAlias<"stos {%ax, $dst|$dst, ax}", (STOSW dstidx16:$dst), 0>;
2448 def : InstAlias<"stos {%eax, $dst|$dst, eax}", (STOSL dstidx32:$dst), 0>;
2449 def : InstAlias<"stos {%rax, $dst|$dst, rax}", (STOSQ dstidx64:$dst), 0>, Requires<[In64BitMode]>;
2451 // scas aliases. Accept the destination being omitted because it's implicit
2452 // in the mnemonic, or the mnemonic suffix being omitted because it's implicit
2453 // in the destination.
2454 def : InstAlias<"scasb $dst", (SCAS8 dstidx8:$dst), 0>;
2455 def : InstAlias<"scasw $dst", (SCAS16 dstidx16:$dst), 0>;
2456 def : InstAlias<"scas{l|d} $dst", (SCAS32 dstidx32:$dst), 0>;
2457 def : InstAlias<"scasq $dst", (SCAS64 dstidx64:$dst), 0>, Requires<[In64BitMode]>;
2458 def : InstAlias<"scas {$dst, %al|al, $dst}", (SCAS8 dstidx8:$dst), 0>;
2459 def : InstAlias<"scas {$dst, %ax|ax, $dst}", (SCAS16 dstidx16:$dst), 0>;
2460 def : InstAlias<"scas {$dst, %eax|eax, $dst}", (SCAS32 dstidx32:$dst), 0>;
2461 def : InstAlias<"scas {$dst, %rax|rax, $dst}", (SCAS64 dstidx64:$dst), 0>, Requires<[In64BitMode]>;
2463 // div and idiv aliases for explicit A register.
2464 def : InstAlias<"div{b}\t{$src, %al|al, $src}", (DIV8r GR8 :$src)>;
2465 def : InstAlias<"div{w}\t{$src, %ax|ax, $src}", (DIV16r GR16:$src)>;
2466 def : InstAlias<"div{l}\t{$src, %eax|eax, $src}", (DIV32r GR32:$src)>;
2467 def : InstAlias<"div{q}\t{$src, %rax|rax, $src}", (DIV64r GR64:$src)>;
2468 def : InstAlias<"div{b}\t{$src, %al|al, $src}", (DIV8m i8mem :$src)>;
2469 def : InstAlias<"div{w}\t{$src, %ax|ax, $src}", (DIV16m i16mem:$src)>;
2470 def : InstAlias<"div{l}\t{$src, %eax|eax, $src}", (DIV32m i32mem:$src)>;
2471 def : InstAlias<"div{q}\t{$src, %rax|rax, $src}", (DIV64m i64mem:$src)>;
2472 def : InstAlias<"idiv{b}\t{$src, %al|al, $src}", (IDIV8r GR8 :$src)>;
2473 def : InstAlias<"idiv{w}\t{$src, %ax|ax, $src}", (IDIV16r GR16:$src)>;
2474 def : InstAlias<"idiv{l}\t{$src, %eax|eax, $src}", (IDIV32r GR32:$src)>;
2475 def : InstAlias<"idiv{q}\t{$src, %rax|rax, $src}", (IDIV64r GR64:$src)>;
2476 def : InstAlias<"idiv{b}\t{$src, %al|al, $src}", (IDIV8m i8mem :$src)>;
2477 def : InstAlias<"idiv{w}\t{$src, %ax|ax, $src}", (IDIV16m i16mem:$src)>;
2478 def : InstAlias<"idiv{l}\t{$src, %eax|eax, $src}", (IDIV32m i32mem:$src)>;
2479 def : InstAlias<"idiv{q}\t{$src, %rax|rax, $src}", (IDIV64m i64mem:$src)>;
2483 // Various unary fpstack operations default to operating on on ST1.
2484 // For example, "fxch" -> "fxch %st(1)"
2485 def : InstAlias<"faddp", (ADD_FPrST0 ST1), 0>;
2486 def : InstAlias<"fsub{|r}p", (SUBR_FPrST0 ST1), 0>;
2487 def : InstAlias<"fsub{r|}p", (SUB_FPrST0 ST1), 0>;
2488 def : InstAlias<"fmulp", (MUL_FPrST0 ST1), 0>;
2489 def : InstAlias<"fdiv{|r}p", (DIVR_FPrST0 ST1), 0>;
2490 def : InstAlias<"fdiv{r|}p", (DIV_FPrST0 ST1), 0>;
2491 def : InstAlias<"fxch", (XCH_F ST1), 0>;
2492 def : InstAlias<"fcom", (COM_FST0r ST1), 0>;
2493 def : InstAlias<"fcomp", (COMP_FST0r ST1), 0>;
2494 def : InstAlias<"fcomi", (COM_FIr ST1), 0>;
2495 def : InstAlias<"fcompi", (COM_FIPr ST1), 0>;
2496 def : InstAlias<"fucom", (UCOM_Fr ST1), 0>;
2497 def : InstAlias<"fucomp", (UCOM_FPr ST1), 0>;
2498 def : InstAlias<"fucomi", (UCOM_FIr ST1), 0>;
2499 def : InstAlias<"fucompi", (UCOM_FIPr ST1), 0>;
2501 // Handle fmul/fadd/fsub/fdiv instructions with explicitly written st(0) op.
2502 // For example, "fadd %st(4), %st(0)" -> "fadd %st(4)". We also disambiguate
2503 // instructions like "fadd %st(0), %st(0)" as "fadd %st(0)" for consistency with
2505 multiclass FpUnaryAlias<string Mnemonic, Instruction Inst, bit EmitAlias = 1> {
2506 def : InstAlias<!strconcat(Mnemonic, "\t{$op, %st(0)|st(0), $op}"),
2507 (Inst RST:$op), EmitAlias>;
2508 def : InstAlias<!strconcat(Mnemonic, "\t{%st(0), %st(0)|st(0), st(0)}"),
2509 (Inst ST0), EmitAlias>;
2512 defm : FpUnaryAlias<"fadd", ADD_FST0r>;
2513 defm : FpUnaryAlias<"faddp", ADD_FPrST0, 0>;
2514 defm : FpUnaryAlias<"fsub", SUB_FST0r>;
2515 defm : FpUnaryAlias<"fsub{|r}p", SUBR_FPrST0>;
2516 defm : FpUnaryAlias<"fsubr", SUBR_FST0r>;
2517 defm : FpUnaryAlias<"fsub{r|}p", SUB_FPrST0>;
2518 defm : FpUnaryAlias<"fmul", MUL_FST0r>;
2519 defm : FpUnaryAlias<"fmulp", MUL_FPrST0>;
2520 defm : FpUnaryAlias<"fdiv", DIV_FST0r>;
2521 defm : FpUnaryAlias<"fdiv{|r}p", DIVR_FPrST0>;
2522 defm : FpUnaryAlias<"fdivr", DIVR_FST0r>;
2523 defm : FpUnaryAlias<"fdiv{r|}p", DIV_FPrST0>;
2524 defm : FpUnaryAlias<"fcomi", COM_FIr, 0>;
2525 defm : FpUnaryAlias<"fucomi", UCOM_FIr, 0>;
2526 defm : FpUnaryAlias<"fcompi", COM_FIPr>;
2527 defm : FpUnaryAlias<"fucompi", UCOM_FIPr>;
2530 // Handle "f{mulp,addp} st(0), $op" the same as "f{mulp,addp} $op", since they
2531 // commute. We also allow fdiv[r]p/fsubrp even though they don't commute,
2532 // solely because gas supports it.
2533 def : InstAlias<"faddp\t{%st(0), $op|$op, st(0)}", (ADD_FPrST0 RST:$op), 0>;
2534 def : InstAlias<"fmulp\t{%st(0), $op|$op, st(0)}", (MUL_FPrST0 RST:$op)>;
2535 def : InstAlias<"fsub{|r}p\t{%st(0), $op|$op, st(0)}", (SUBR_FPrST0 RST:$op)>;
2536 def : InstAlias<"fsub{r|}p\t{%st(0), $op|$op, st(0)}", (SUB_FPrST0 RST:$op)>;
2537 def : InstAlias<"fdiv{|r}p\t{%st(0), $op|$op, st(0)}", (DIVR_FPrST0 RST:$op)>;
2538 def : InstAlias<"fdiv{r|}p\t{%st(0), $op|$op, st(0)}", (DIV_FPrST0 RST:$op)>;
2540 // We accept "fnstsw %eax" even though it only writes %ax.
2541 def : InstAlias<"fnstsw\t{%eax|eax}", (FNSTSW16r)>;
2542 def : InstAlias<"fnstsw\t{%al|al}" , (FNSTSW16r)>;
2543 def : InstAlias<"fnstsw" , (FNSTSW16r)>;
2545 // lcall and ljmp aliases. This seems to be an odd mapping in 64-bit mode, but
2546 // this is compatible with what GAS does.
2547 def : InstAlias<"lcall $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg)>, Requires<[Not16BitMode]>;
2548 def : InstAlias<"ljmp $seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg)>, Requires<[Not16BitMode]>;
2549 def : InstAlias<"lcall *$dst", (FARCALL32m opaque48mem:$dst)>, Requires<[Not16BitMode]>;
2550 def : InstAlias<"ljmp *$dst", (FARJMP32m opaque48mem:$dst)>, Requires<[Not16BitMode]>;
2551 def : InstAlias<"lcall $seg, $off", (FARCALL16i i16imm:$off, i16imm:$seg)>, Requires<[In16BitMode]>;
2552 def : InstAlias<"ljmp $seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg)>, Requires<[In16BitMode]>;
2553 def : InstAlias<"lcall *$dst", (FARCALL16m opaque32mem:$dst)>, Requires<[In16BitMode]>;
2554 def : InstAlias<"ljmp *$dst", (FARJMP16m opaque32mem:$dst)>, Requires<[In16BitMode]>;
2556 def : InstAlias<"call *$dst", (CALL64m i16mem:$dst)>, Requires<[In64BitMode]>;
2557 def : InstAlias<"jmp *$dst", (JMP64m i16mem:$dst)>, Requires<[In64BitMode]>;
2558 def : InstAlias<"call *$dst", (CALL32m i16mem:$dst)>, Requires<[In32BitMode]>;
2559 def : InstAlias<"jmp *$dst", (JMP32m i16mem:$dst)>, Requires<[In32BitMode]>;
2560 def : InstAlias<"call *$dst", (CALL16m i16mem:$dst)>, Requires<[In16BitMode]>;
2561 def : InstAlias<"jmp *$dst", (JMP16m i16mem:$dst)>, Requires<[In16BitMode]>;
2564 // "imul <imm>, B" is an alias for "imul <imm>, B, B".
2565 def : InstAlias<"imulw $imm, $r", (IMUL16rri GR16:$r, GR16:$r, i16imm:$imm)>;
2566 def : InstAlias<"imulw $imm, $r", (IMUL16rri8 GR16:$r, GR16:$r, i16i8imm:$imm)>;
2567 def : InstAlias<"imull $imm, $r", (IMUL32rri GR32:$r, GR32:$r, i32imm:$imm)>;
2568 def : InstAlias<"imull $imm, $r", (IMUL32rri8 GR32:$r, GR32:$r, i32i8imm:$imm)>;
2569 def : InstAlias<"imulq $imm, $r",(IMUL64rri32 GR64:$r, GR64:$r,i64i32imm:$imm)>;
2570 def : InstAlias<"imulq $imm, $r", (IMUL64rri8 GR64:$r, GR64:$r, i64i8imm:$imm)>;
2572 // inb %dx -> inb %al, %dx
2573 def : InstAlias<"inb\t{%dx|dx}", (IN8rr), 0>;
2574 def : InstAlias<"inw\t{%dx|dx}", (IN16rr), 0>;
2575 def : InstAlias<"inl\t{%dx|dx}", (IN32rr), 0>;
2576 def : InstAlias<"inb\t$port", (IN8ri i8imm:$port), 0>;
2577 def : InstAlias<"inw\t$port", (IN16ri i8imm:$port), 0>;
2578 def : InstAlias<"inl\t$port", (IN32ri i8imm:$port), 0>;
2581 // jmp and call aliases for lcall and ljmp. jmp $42,$5 -> ljmp
2582 def : InstAlias<"call $seg, $off", (FARCALL16i i16imm:$off, i16imm:$seg)>, Requires<[In16BitMode]>;
2583 def : InstAlias<"jmp $seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg)>, Requires<[In16BitMode]>;
2584 def : InstAlias<"call $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg)>, Requires<[Not16BitMode]>;
2585 def : InstAlias<"jmp $seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg)>, Requires<[Not16BitMode]>;
2586 def : InstAlias<"callw $seg, $off", (FARCALL16i i16imm:$off, i16imm:$seg)>;
2587 def : InstAlias<"jmpw $seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg)>;
2588 def : InstAlias<"calll $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg)>;
2589 def : InstAlias<"jmpl $seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg)>;
2591 // Force mov without a suffix with a segment and mem to prefer the 'l' form of
2592 // the move. All segment/mem forms are equivalent, this has the shortest
2594 def : InstAlias<"mov $mem, $seg", (MOV32sm SEGMENT_REG:$seg, i32mem:$mem)>;
2595 def : InstAlias<"mov $seg, $mem", (MOV32ms i32mem:$mem, SEGMENT_REG:$seg)>;
2597 // Match 'movq <largeimm>, <reg>' as an alias for movabsq.
2598 def : InstAlias<"movq $imm, $reg", (MOV64ri GR64:$reg, i64imm:$imm)>;
2600 // Match 'movq GR64, MMX' as an alias for movd.
2601 def : InstAlias<"movq $src, $dst",
2602 (MMX_MOVD64to64rr VR64:$dst, GR64:$src), 0>;
2603 def : InstAlias<"movq $src, $dst",
2604 (MMX_MOVD64from64rr GR64:$dst, VR64:$src), 0>;
2607 def : InstAlias<"movsx $src, $dst", (MOVSX16rr8 GR16:$dst, GR8:$src), 0>;
2608 def : InstAlias<"movsx $src, $dst", (MOVSX16rm8 GR16:$dst, i8mem:$src), 0>;
2609 def : InstAlias<"movsx $src, $dst", (MOVSX32rr8 GR32:$dst, GR8:$src), 0>;
2610 def : InstAlias<"movsx $src, $dst", (MOVSX32rr16 GR32:$dst, GR16:$src), 0>;
2611 def : InstAlias<"movsx $src, $dst", (MOVSX64rr8 GR64:$dst, GR8:$src), 0>;
2612 def : InstAlias<"movsx $src, $dst", (MOVSX64rr16 GR64:$dst, GR16:$src), 0>;
2613 def : InstAlias<"movsx $src, $dst", (MOVSX64rr32 GR64:$dst, GR32:$src), 0>;
2616 def : InstAlias<"movzx $src, $dst", (MOVZX16rr8 GR16:$dst, GR8:$src), 0>;
2617 def : InstAlias<"movzx $src, $dst", (MOVZX16rm8 GR16:$dst, i8mem:$src), 0>;
2618 def : InstAlias<"movzx $src, $dst", (MOVZX32rr8 GR32:$dst, GR8:$src), 0>;
2619 def : InstAlias<"movzx $src, $dst", (MOVZX32rr16 GR32:$dst, GR16:$src), 0>;
2620 def : InstAlias<"movzx $src, $dst", (MOVZX64rr8_Q GR64:$dst, GR8:$src), 0>;
2621 def : InstAlias<"movzx $src, $dst", (MOVZX64rr16_Q GR64:$dst, GR16:$src), 0>;
2622 // Note: No GR32->GR64 movzx form.
2624 // outb %dx -> outb %al, %dx
2625 def : InstAlias<"outb\t{%dx|dx}", (OUT8rr), 0>;
2626 def : InstAlias<"outw\t{%dx|dx}", (OUT16rr), 0>;
2627 def : InstAlias<"outl\t{%dx|dx}", (OUT32rr), 0>;
2628 def : InstAlias<"outb\t$port", (OUT8ir i8imm:$port), 0>;
2629 def : InstAlias<"outw\t$port", (OUT16ir i8imm:$port), 0>;
2630 def : InstAlias<"outl\t$port", (OUT32ir i8imm:$port), 0>;
2632 // 'sldt <mem>' can be encoded with either sldtw or sldtq with the same
2633 // effect (both store to a 16-bit mem). Force to sldtw to avoid ambiguity
2634 // errors, since its encoding is the most compact.
2635 def : InstAlias<"sldt $mem", (SLDT16m i16mem:$mem)>;
2637 // shld/shrd op,op -> shld op, op, CL
2638 def : InstAlias<"shld{w}\t{$r2, $r1|$r1, $r2}", (SHLD16rrCL GR16:$r1, GR16:$r2), 0>;
2639 def : InstAlias<"shld{l}\t{$r2, $r1|$r1, $r2}", (SHLD32rrCL GR32:$r1, GR32:$r2), 0>;
2640 def : InstAlias<"shld{q}\t{$r2, $r1|$r1, $r2}", (SHLD64rrCL GR64:$r1, GR64:$r2), 0>;
2641 def : InstAlias<"shrd{w}\t{$r2, $r1|$r1, $r2}", (SHRD16rrCL GR16:$r1, GR16:$r2), 0>;
2642 def : InstAlias<"shrd{l}\t{$r2, $r1|$r1, $r2}", (SHRD32rrCL GR32:$r1, GR32:$r2), 0>;
2643 def : InstAlias<"shrd{q}\t{$r2, $r1|$r1, $r2}", (SHRD64rrCL GR64:$r1, GR64:$r2), 0>;
2645 def : InstAlias<"shld{w}\t{$reg, $mem|$mem, $reg}", (SHLD16mrCL i16mem:$mem, GR16:$reg), 0>;
2646 def : InstAlias<"shld{l}\t{$reg, $mem|$mem, $reg}", (SHLD32mrCL i32mem:$mem, GR32:$reg), 0>;
2647 def : InstAlias<"shld{q}\t{$reg, $mem|$mem, $reg}", (SHLD64mrCL i64mem:$mem, GR64:$reg), 0>;
2648 def : InstAlias<"shrd{w}\t{$reg, $mem|$mem, $reg}", (SHRD16mrCL i16mem:$mem, GR16:$reg), 0>;
2649 def : InstAlias<"shrd{l}\t{$reg, $mem|$mem, $reg}", (SHRD32mrCL i32mem:$mem, GR32:$reg), 0>;
2650 def : InstAlias<"shrd{q}\t{$reg, $mem|$mem, $reg}", (SHRD64mrCL i64mem:$mem, GR64:$reg), 0>;
2652 /* FIXME: This is disabled because the asm matcher is currently incapable of
2653 * matching a fixed immediate like $1.
2654 // "shl X, $1" is an alias for "shl X".
2655 multiclass ShiftRotateByOneAlias<string Mnemonic, string Opc> {
2656 def : InstAlias<!strconcat(Mnemonic, "b $op, $$1"),
2657 (!cast<Instruction>(!strconcat(Opc, "8r1")) GR8:$op)>;
2658 def : InstAlias<!strconcat(Mnemonic, "w $op, $$1"),
2659 (!cast<Instruction>(!strconcat(Opc, "16r1")) GR16:$op)>;
2660 def : InstAlias<!strconcat(Mnemonic, "l $op, $$1"),
2661 (!cast<Instruction>(!strconcat(Opc, "32r1")) GR32:$op)>;
2662 def : InstAlias<!strconcat(Mnemonic, "q $op, $$1"),
2663 (!cast<Instruction>(!strconcat(Opc, "64r1")) GR64:$op)>;
2664 def : InstAlias<!strconcat(Mnemonic, "b $op, $$1"),
2665 (!cast<Instruction>(!strconcat(Opc, "8m1")) i8mem:$op)>;
2666 def : InstAlias<!strconcat(Mnemonic, "w $op, $$1"),
2667 (!cast<Instruction>(!strconcat(Opc, "16m1")) i16mem:$op)>;
2668 def : InstAlias<!strconcat(Mnemonic, "l $op, $$1"),
2669 (!cast<Instruction>(!strconcat(Opc, "32m1")) i32mem:$op)>;
2670 def : InstAlias<!strconcat(Mnemonic, "q $op, $$1"),
2671 (!cast<Instruction>(!strconcat(Opc, "64m1")) i64mem:$op)>;
2674 defm : ShiftRotateByOneAlias<"rcl", "RCL">;
2675 defm : ShiftRotateByOneAlias<"rcr", "RCR">;
2676 defm : ShiftRotateByOneAlias<"rol", "ROL">;
2677 defm : ShiftRotateByOneAlias<"ror", "ROR">;
2680 // test: We accept "testX <reg>, <mem>" and "testX <mem>, <reg>" as synonyms.
2681 def : InstAlias<"test{b}\t{$val, $mem|$mem, $val}", (TEST8rm GR8 :$val, i8mem :$mem)>;
2682 def : InstAlias<"test{w}\t{$val, $mem|$mem, $val}", (TEST16rm GR16:$val, i16mem:$mem)>;
2683 def : InstAlias<"test{l}\t{$val, $mem|$mem, $val}", (TEST32rm GR32:$val, i32mem:$mem)>;
2684 def : InstAlias<"test{q}\t{$val, $mem|$mem, $val}", (TEST64rm GR64:$val, i64mem:$mem)>;
2686 // xchg: We accept "xchgX <reg>, <mem>" and "xchgX <mem>, <reg>" as synonyms.
2687 def : InstAlias<"xchg{b}\t{$mem, $val|$val, $mem}", (XCHG8rm GR8 :$val, i8mem :$mem)>;
2688 def : InstAlias<"xchg{w}\t{$mem, $val|$val, $mem}", (XCHG16rm GR16:$val, i16mem:$mem)>;
2689 def : InstAlias<"xchg{l}\t{$mem, $val|$val, $mem}", (XCHG32rm GR32:$val, i32mem:$mem)>;
2690 def : InstAlias<"xchg{q}\t{$mem, $val|$val, $mem}", (XCHG64rm GR64:$val, i64mem:$mem)>;
2692 // xchg: We accept "xchgX <reg>, %eax" and "xchgX %eax, <reg>" as synonyms.
2693 def : InstAlias<"xchg{w}\t{%ax, $src|$src, ax}", (XCHG16ar GR16:$src)>;
2694 def : InstAlias<"xchg{l}\t{%eax, $src|$src, eax}", (XCHG32ar GR32:$src)>, Requires<[Not64BitMode]>;
2695 def : InstAlias<"xchg{l}\t{%eax, $src|$src, eax}", (XCHG32ar64 GR32_NOAX:$src)>, Requires<[In64BitMode]>;
2696 def : InstAlias<"xchg{q}\t{%rax, $src|$src, rax}", (XCHG64ar GR64:$src)>;