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 X86bzhi : SDNode<"X86ISD::BZHI", SDTIntShiftOp>;
253 def X86bextr : SDNode<"X86ISD::BEXTR", SDTIntBinOp>;
255 def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
257 def X86WinAlloca : SDNode<"X86ISD::WIN_ALLOCA", SDTX86Void,
258 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
260 def X86SegAlloca : SDNode<"X86ISD::SEG_ALLOCA", SDT_X86SEG_ALLOCA,
263 def X86TLSCall : SDNode<"X86ISD::TLSCALL", SDT_X86TLSCALL,
264 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
266 def X86WinFTOL : SDNode<"X86ISD::WIN_FTOL", SDT_X86WIN_FTOL,
267 [SDNPHasChain, SDNPOutGlue]>;
269 //===----------------------------------------------------------------------===//
270 // X86 Operand Definitions.
273 // A version of ptr_rc which excludes SP, ESP, and RSP. This is used for
274 // the index operand of an address, to conform to x86 encoding restrictions.
275 def ptr_rc_nosp : PointerLikeRegClass<1>;
277 // *mem - Operand definitions for the funky X86 addressing mode operands.
279 def X86MemAsmOperand : AsmOperandClass {
282 def X86Mem8AsmOperand : AsmOperandClass {
283 let Name = "Mem8"; let RenderMethod = "addMemOperands";
285 def X86Mem16AsmOperand : AsmOperandClass {
286 let Name = "Mem16"; let RenderMethod = "addMemOperands";
288 def X86Mem32AsmOperand : AsmOperandClass {
289 let Name = "Mem32"; let RenderMethod = "addMemOperands";
291 def X86Mem64AsmOperand : AsmOperandClass {
292 let Name = "Mem64"; let RenderMethod = "addMemOperands";
294 def X86Mem80AsmOperand : AsmOperandClass {
295 let Name = "Mem80"; let RenderMethod = "addMemOperands";
297 def X86Mem128AsmOperand : AsmOperandClass {
298 let Name = "Mem128"; let RenderMethod = "addMemOperands";
300 def X86Mem256AsmOperand : AsmOperandClass {
301 let Name = "Mem256"; let RenderMethod = "addMemOperands";
303 def X86Mem512AsmOperand : AsmOperandClass {
304 let Name = "Mem512"; let RenderMethod = "addMemOperands";
307 // Gather mem operands
308 def X86MemVX32Operand : AsmOperandClass {
309 let Name = "MemVX32"; let RenderMethod = "addMemOperands";
311 def X86MemVY32Operand : AsmOperandClass {
312 let Name = "MemVY32"; let RenderMethod = "addMemOperands";
314 def X86MemVZ32Operand : AsmOperandClass {
315 let Name = "MemVZ32"; let RenderMethod = "addMemOperands";
317 def X86MemVX64Operand : AsmOperandClass {
318 let Name = "MemVX64"; let RenderMethod = "addMemOperands";
320 def X86MemVY64Operand : AsmOperandClass {
321 let Name = "MemVY64"; let RenderMethod = "addMemOperands";
323 def X86MemVZ64Operand : AsmOperandClass {
324 let Name = "MemVZ64"; let RenderMethod = "addMemOperands";
327 def X86AbsMemAsmOperand : AsmOperandClass {
329 let SuperClasses = [X86MemAsmOperand];
331 class X86MemOperand<string printMethod> : Operand<iPTR> {
332 let PrintMethod = printMethod;
333 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc_nosp, i32imm, i8imm);
334 let ParserMatchClass = X86MemAsmOperand;
337 let OperandType = "OPERAND_MEMORY" in {
338 def opaque32mem : X86MemOperand<"printopaquemem">;
339 def opaque48mem : X86MemOperand<"printopaquemem">;
340 def opaque80mem : X86MemOperand<"printopaquemem">;
341 def opaque512mem : X86MemOperand<"printopaquemem">;
343 def i8mem : X86MemOperand<"printi8mem"> {
344 let ParserMatchClass = X86Mem8AsmOperand; }
345 def i16mem : X86MemOperand<"printi16mem"> {
346 let ParserMatchClass = X86Mem16AsmOperand; }
347 def i32mem : X86MemOperand<"printi32mem"> {
348 let ParserMatchClass = X86Mem32AsmOperand; }
349 def i64mem : X86MemOperand<"printi64mem"> {
350 let ParserMatchClass = X86Mem64AsmOperand; }
351 def i128mem : X86MemOperand<"printi128mem"> {
352 let ParserMatchClass = X86Mem128AsmOperand; }
353 def i256mem : X86MemOperand<"printi256mem"> {
354 let ParserMatchClass = X86Mem256AsmOperand; }
355 def i512mem : X86MemOperand<"printi512mem"> {
356 let ParserMatchClass = X86Mem512AsmOperand; }
357 def f32mem : X86MemOperand<"printf32mem"> {
358 let ParserMatchClass = X86Mem32AsmOperand; }
359 def f64mem : X86MemOperand<"printf64mem"> {
360 let ParserMatchClass = X86Mem64AsmOperand; }
361 def f80mem : X86MemOperand<"printf80mem"> {
362 let ParserMatchClass = X86Mem80AsmOperand; }
363 def f128mem : X86MemOperand<"printf128mem"> {
364 let ParserMatchClass = X86Mem128AsmOperand; }
365 def f256mem : X86MemOperand<"printf256mem">{
366 let ParserMatchClass = X86Mem256AsmOperand; }
367 def f512mem : X86MemOperand<"printf512mem">{
368 let ParserMatchClass = X86Mem512AsmOperand; }
369 def v512mem : Operand<iPTR> {
370 let PrintMethod = "printf512mem";
371 let MIOperandInfo = (ops ptr_rc, i8imm, VR512, i32imm, i8imm);
372 let ParserMatchClass = X86Mem512AsmOperand; }
374 // Gather mem operands
375 def vx32mem : X86MemOperand<"printi32mem">{
376 let MIOperandInfo = (ops ptr_rc, i8imm, VR128, i32imm, i8imm);
377 let ParserMatchClass = X86MemVX32Operand; }
378 def vy32mem : X86MemOperand<"printi32mem">{
379 let MIOperandInfo = (ops ptr_rc, i8imm, VR256, i32imm, i8imm);
380 let ParserMatchClass = X86MemVY32Operand; }
381 def vx64mem : X86MemOperand<"printi64mem">{
382 let MIOperandInfo = (ops ptr_rc, i8imm, VR128, i32imm, i8imm);
383 let ParserMatchClass = X86MemVX64Operand; }
384 def vy64mem : X86MemOperand<"printi64mem">{
385 let MIOperandInfo = (ops ptr_rc, i8imm, VR256, i32imm, i8imm);
386 let ParserMatchClass = X86MemVY64Operand; }
387 def vy64xmem : X86MemOperand<"printi64mem">{
388 let MIOperandInfo = (ops ptr_rc, i8imm, VR256X, i32imm, i8imm);
389 let ParserMatchClass = X86MemVY64Operand; }
390 def vz32mem : X86MemOperand<"printi32mem">{
391 let MIOperandInfo = (ops ptr_rc, i16imm, VR512, i32imm, i8imm);
392 let ParserMatchClass = X86MemVZ32Operand; }
393 def vz64mem : X86MemOperand<"printi64mem">{
394 let MIOperandInfo = (ops ptr_rc, i8imm, VR512, i32imm, i8imm);
395 let ParserMatchClass = X86MemVZ64Operand; }
398 // A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
399 // plain GR64, so that it doesn't potentially require a REX prefix.
400 def i8mem_NOREX : Operand<i64> {
401 let PrintMethod = "printi8mem";
402 let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_NOREX_NOSP, i32imm, i8imm);
403 let ParserMatchClass = X86Mem8AsmOperand;
404 let OperandType = "OPERAND_MEMORY";
407 // GPRs available for tailcall.
408 // It represents GR32_TC, GR64_TC or GR64_TCW64.
409 def ptr_rc_tailcall : PointerLikeRegClass<2>;
411 // Special i32mem for addresses of load folding tail calls. These are not
412 // allowed to use callee-saved registers since they must be scheduled
413 // after callee-saved register are popped.
414 def i32mem_TC : Operand<i32> {
415 let PrintMethod = "printi32mem";
416 let MIOperandInfo = (ops ptr_rc_tailcall, i8imm, ptr_rc_tailcall,
418 let ParserMatchClass = X86Mem32AsmOperand;
419 let OperandType = "OPERAND_MEMORY";
422 // Special i64mem for addresses of load folding tail calls. These are not
423 // allowed to use callee-saved registers since they must be scheduled
424 // after callee-saved register are popped.
425 def i64mem_TC : Operand<i64> {
426 let PrintMethod = "printi64mem";
427 let MIOperandInfo = (ops ptr_rc_tailcall, i8imm,
428 ptr_rc_tailcall, i32imm, i8imm);
429 let ParserMatchClass = X86Mem64AsmOperand;
430 let OperandType = "OPERAND_MEMORY";
433 let OperandType = "OPERAND_PCREL",
434 ParserMatchClass = X86AbsMemAsmOperand,
435 PrintMethod = "printPCRelImm" in {
436 def i32imm_pcrel : Operand<i32>;
437 def i16imm_pcrel : Operand<i16>;
439 // Branch targets have OtherVT type and print as pc-relative values.
440 def brtarget : Operand<OtherVT>;
441 def brtarget8 : Operand<OtherVT>;
445 def X86SrcIdx8Operand : AsmOperandClass {
446 let Name = "SrcIdx8";
447 let RenderMethod = "addSrcIdxOperands";
448 let SuperClasses = [X86Mem8AsmOperand];
450 def X86SrcIdx16Operand : AsmOperandClass {
451 let Name = "SrcIdx16";
452 let RenderMethod = "addSrcIdxOperands";
453 let SuperClasses = [X86Mem16AsmOperand];
455 def X86SrcIdx32Operand : AsmOperandClass {
456 let Name = "SrcIdx32";
457 let RenderMethod = "addSrcIdxOperands";
458 let SuperClasses = [X86Mem32AsmOperand];
460 def X86SrcIdx64Operand : AsmOperandClass {
461 let Name = "SrcIdx64";
462 let RenderMethod = "addSrcIdxOperands";
463 let SuperClasses = [X86Mem64AsmOperand];
465 def X86DstIdx8Operand : AsmOperandClass {
466 let Name = "DstIdx8";
467 let RenderMethod = "addDstIdxOperands";
468 let SuperClasses = [X86Mem8AsmOperand];
470 def X86DstIdx16Operand : AsmOperandClass {
471 let Name = "DstIdx16";
472 let RenderMethod = "addDstIdxOperands";
473 let SuperClasses = [X86Mem16AsmOperand];
475 def X86DstIdx32Operand : AsmOperandClass {
476 let Name = "DstIdx32";
477 let RenderMethod = "addDstIdxOperands";
478 let SuperClasses = [X86Mem32AsmOperand];
480 def X86DstIdx64Operand : AsmOperandClass {
481 let Name = "DstIdx64";
482 let RenderMethod = "addDstIdxOperands";
483 let SuperClasses = [X86Mem64AsmOperand];
485 def X86MemOffs8AsmOperand : AsmOperandClass {
486 let Name = "MemOffs8";
487 let RenderMethod = "addMemOffsOperands";
488 let SuperClasses = [X86Mem8AsmOperand];
490 def X86MemOffs16AsmOperand : AsmOperandClass {
491 let Name = "MemOffs16";
492 let RenderMethod = "addMemOffsOperands";
493 let SuperClasses = [X86Mem16AsmOperand];
495 def X86MemOffs32AsmOperand : AsmOperandClass {
496 let Name = "MemOffs32";
497 let RenderMethod = "addMemOffsOperands";
498 let SuperClasses = [X86Mem32AsmOperand];
500 def X86MemOffs64AsmOperand : AsmOperandClass {
501 let Name = "MemOffs64";
502 let RenderMethod = "addMemOffsOperands";
503 let SuperClasses = [X86Mem64AsmOperand];
505 let OperandType = "OPERAND_MEMORY" in {
506 def srcidx8 : Operand<iPTR> {
507 let ParserMatchClass = X86SrcIdx8Operand;
508 let MIOperandInfo = (ops ptr_rc, i8imm);
509 let PrintMethod = "printSrcIdx8"; }
510 def srcidx16 : Operand<iPTR> {
511 let ParserMatchClass = X86SrcIdx16Operand;
512 let MIOperandInfo = (ops ptr_rc, i8imm);
513 let PrintMethod = "printSrcIdx16"; }
514 def srcidx32 : Operand<iPTR> {
515 let ParserMatchClass = X86SrcIdx32Operand;
516 let MIOperandInfo = (ops ptr_rc, i8imm);
517 let PrintMethod = "printSrcIdx32"; }
518 def srcidx64 : Operand<iPTR> {
519 let ParserMatchClass = X86SrcIdx64Operand;
520 let MIOperandInfo = (ops ptr_rc, i8imm);
521 let PrintMethod = "printSrcIdx64"; }
522 def dstidx8 : Operand<iPTR> {
523 let ParserMatchClass = X86DstIdx8Operand;
524 let MIOperandInfo = (ops ptr_rc);
525 let PrintMethod = "printDstIdx8"; }
526 def dstidx16 : Operand<iPTR> {
527 let ParserMatchClass = X86DstIdx16Operand;
528 let MIOperandInfo = (ops ptr_rc);
529 let PrintMethod = "printDstIdx16"; }
530 def dstidx32 : Operand<iPTR> {
531 let ParserMatchClass = X86DstIdx32Operand;
532 let MIOperandInfo = (ops ptr_rc);
533 let PrintMethod = "printDstIdx32"; }
534 def dstidx64 : Operand<iPTR> {
535 let ParserMatchClass = X86DstIdx64Operand;
536 let MIOperandInfo = (ops ptr_rc);
537 let PrintMethod = "printDstIdx64"; }
538 def offset8 : Operand<iPTR> {
539 let ParserMatchClass = X86MemOffs8AsmOperand;
540 let MIOperandInfo = (ops i64imm, i8imm);
541 let PrintMethod = "printMemOffs8"; }
542 def offset16 : Operand<iPTR> {
543 let ParserMatchClass = X86MemOffs16AsmOperand;
544 let MIOperandInfo = (ops i64imm, i8imm);
545 let PrintMethod = "printMemOffs16"; }
546 def offset32 : Operand<iPTR> {
547 let ParserMatchClass = X86MemOffs32AsmOperand;
548 let MIOperandInfo = (ops i64imm, i8imm);
549 let PrintMethod = "printMemOffs32"; }
550 def offset64 : Operand<iPTR> {
551 let ParserMatchClass = X86MemOffs64AsmOperand;
552 let MIOperandInfo = (ops i64imm, i8imm);
553 let PrintMethod = "printMemOffs64"; }
557 def SSECC : Operand<i8> {
558 let PrintMethod = "printSSECC";
559 let OperandType = "OPERAND_IMMEDIATE";
562 def AVXCC : Operand<i8> {
563 let PrintMethod = "printAVXCC";
564 let OperandType = "OPERAND_IMMEDIATE";
567 class ImmSExtAsmOperandClass : AsmOperandClass {
568 let SuperClasses = [ImmAsmOperand];
569 let RenderMethod = "addImmOperands";
572 class ImmZExtAsmOperandClass : AsmOperandClass {
573 let SuperClasses = [ImmAsmOperand];
574 let RenderMethod = "addImmOperands";
577 def X86GR32orGR64AsmOperand : AsmOperandClass {
578 let Name = "GR32orGR64";
581 def GR32orGR64 : RegisterOperand<GR32> {
582 let ParserMatchClass = X86GR32orGR64AsmOperand;
585 def AVX512RC : Operand<i32> {
586 let PrintMethod = "printRoundingControl";
587 let OperandType = "OPERAND_IMMEDIATE";
589 // Sign-extended immediate classes. We don't need to define the full lattice
590 // here because there is no instruction with an ambiguity between ImmSExti64i32
593 // The strange ranges come from the fact that the assembler always works with
594 // 64-bit immediates, but for a 16-bit target value we want to accept both "-1"
595 // (which will be a -1ULL), and "0xFF" (-1 in 16-bits).
598 // [0xFFFFFFFF80000000, 0xFFFFFFFFFFFFFFFF]
599 def ImmSExti64i32AsmOperand : ImmSExtAsmOperandClass {
600 let Name = "ImmSExti64i32";
603 // [0, 0x0000007F] | [0x000000000000FF80, 0x000000000000FFFF] |
604 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
605 def ImmSExti16i8AsmOperand : ImmSExtAsmOperandClass {
606 let Name = "ImmSExti16i8";
607 let SuperClasses = [ImmSExti64i32AsmOperand];
610 // [0, 0x0000007F] | [0x00000000FFFFFF80, 0x00000000FFFFFFFF] |
611 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
612 def ImmSExti32i8AsmOperand : ImmSExtAsmOperandClass {
613 let Name = "ImmSExti32i8";
617 def ImmZExtu32u8AsmOperand : ImmZExtAsmOperandClass {
618 let Name = "ImmZExtu32u8";
623 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
624 def ImmSExti64i8AsmOperand : ImmSExtAsmOperandClass {
625 let Name = "ImmSExti64i8";
626 let SuperClasses = [ImmSExti16i8AsmOperand, ImmSExti32i8AsmOperand,
627 ImmSExti64i32AsmOperand];
630 // A couple of more descriptive operand definitions.
631 // 16-bits but only 8 bits are significant.
632 def i16i8imm : Operand<i16> {
633 let ParserMatchClass = ImmSExti16i8AsmOperand;
634 let OperandType = "OPERAND_IMMEDIATE";
636 // 32-bits but only 8 bits are significant.
637 def i32i8imm : Operand<i32> {
638 let ParserMatchClass = ImmSExti32i8AsmOperand;
639 let OperandType = "OPERAND_IMMEDIATE";
641 // 32-bits but only 8 bits are significant, and those 8 bits are unsigned.
642 def u32u8imm : Operand<i32> {
643 let ParserMatchClass = ImmZExtu32u8AsmOperand;
644 let OperandType = "OPERAND_IMMEDIATE";
647 // 64-bits but only 32 bits are significant.
648 def i64i32imm : Operand<i64> {
649 let ParserMatchClass = ImmSExti64i32AsmOperand;
650 let OperandType = "OPERAND_IMMEDIATE";
653 // 64-bits but only 32 bits are significant, and those bits are treated as being
655 def i64i32imm_pcrel : Operand<i64> {
656 let PrintMethod = "printPCRelImm";
657 let ParserMatchClass = X86AbsMemAsmOperand;
658 let OperandType = "OPERAND_PCREL";
661 // 64-bits but only 8 bits are significant.
662 def i64i8imm : Operand<i64> {
663 let ParserMatchClass = ImmSExti64i8AsmOperand;
664 let OperandType = "OPERAND_IMMEDIATE";
667 def lea64_32mem : Operand<i32> {
668 let PrintMethod = "printi32mem";
669 let MIOperandInfo = (ops GR64, i8imm, GR64_NOSP, i32imm, i8imm);
670 let ParserMatchClass = X86MemAsmOperand;
673 // Memory operands that use 64-bit pointers in both ILP32 and LP64.
674 def lea64mem : Operand<i64> {
675 let PrintMethod = "printi64mem";
676 let MIOperandInfo = (ops GR64, i8imm, GR64_NOSP, i32imm, i8imm);
677 let ParserMatchClass = X86MemAsmOperand;
681 //===----------------------------------------------------------------------===//
682 // X86 Complex Pattern Definitions.
685 // Define X86 specific addressing mode.
686 def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], [SDNPWantParent]>;
687 def lea32addr : ComplexPattern<i32, 5, "SelectLEAAddr",
688 [add, sub, mul, X86mul_imm, shl, or, frameindex],
690 // In 64-bit mode 32-bit LEAs can use RIP-relative addressing.
691 def lea64_32addr : ComplexPattern<i32, 5, "SelectLEA64_32Addr",
692 [add, sub, mul, X86mul_imm, shl, or,
693 frameindex, X86WrapperRIP],
696 def tls32addr : ComplexPattern<i32, 5, "SelectTLSADDRAddr",
697 [tglobaltlsaddr], []>;
699 def tls32baseaddr : ComplexPattern<i32, 5, "SelectTLSADDRAddr",
700 [tglobaltlsaddr], []>;
702 def lea64addr : ComplexPattern<i64, 5, "SelectLEAAddr",
703 [add, sub, mul, X86mul_imm, shl, or, frameindex,
706 def tls64addr : ComplexPattern<i64, 5, "SelectTLSADDRAddr",
707 [tglobaltlsaddr], []>;
709 def tls64baseaddr : ComplexPattern<i64, 5, "SelectTLSADDRAddr",
710 [tglobaltlsaddr], []>;
712 //===----------------------------------------------------------------------===//
713 // X86 Instruction Predicate Definitions.
714 def HasCMov : Predicate<"Subtarget->hasCMov()">;
715 def NoCMov : Predicate<"!Subtarget->hasCMov()">;
717 def HasMMX : Predicate<"Subtarget->hasMMX()">;
718 def Has3DNow : Predicate<"Subtarget->has3DNow()">;
719 def Has3DNowA : Predicate<"Subtarget->has3DNowA()">;
720 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
721 def UseSSE1 : Predicate<"Subtarget->hasSSE1() && !Subtarget->hasAVX()">;
722 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
723 def UseSSE2 : Predicate<"Subtarget->hasSSE2() && !Subtarget->hasAVX()">;
724 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
725 def UseSSE3 : Predicate<"Subtarget->hasSSE3() && !Subtarget->hasAVX()">;
726 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
727 def UseSSSE3 : Predicate<"Subtarget->hasSSSE3() && !Subtarget->hasAVX()">;
728 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
729 def UseSSE41 : Predicate<"Subtarget->hasSSE41() && !Subtarget->hasAVX()">;
730 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
731 def UseSSE42 : Predicate<"Subtarget->hasSSE42() && !Subtarget->hasAVX()">;
732 def HasSSE4A : Predicate<"Subtarget->hasSSE4A()">;
733 def HasAVX : Predicate<"Subtarget->hasAVX()">;
734 def HasAVX2 : Predicate<"Subtarget->hasAVX2()">;
735 def HasAVX1Only : Predicate<"Subtarget->hasAVX() && !Subtarget->hasAVX2()">;
736 def HasAVX512 : Predicate<"Subtarget->hasAVX512()">,
737 AssemblerPredicate<"FeatureAVX512", "AVX-512 ISA">;
738 def UseAVX : Predicate<"Subtarget->hasAVX() && !Subtarget->hasAVX512()">;
739 def UseAVX2 : Predicate<"Subtarget->hasAVX2() && !Subtarget->hasAVX512()">;
740 def NoAVX512 : Predicate<"!Subtarget->hasAVX512()">;
741 def HasCDI : Predicate<"Subtarget->hasCDI()">;
742 def HasPFI : Predicate<"Subtarget->hasPFI()">;
743 def HasERI : Predicate<"Subtarget->hasERI()">;
745 def HasPOPCNT : Predicate<"Subtarget->hasPOPCNT()">;
746 def HasAES : Predicate<"Subtarget->hasAES()">;
747 def HasPCLMUL : Predicate<"Subtarget->hasPCLMUL()">;
748 def HasFMA : Predicate<"Subtarget->hasFMA()">;
749 def UseFMAOnAVX : Predicate<"Subtarget->hasFMA() && !Subtarget->hasAVX512()">;
750 def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
751 def HasXOP : Predicate<"Subtarget->hasXOP()">;
752 def HasTBM : Predicate<"Subtarget->hasTBM()">;
753 def HasMOVBE : Predicate<"Subtarget->hasMOVBE()">;
754 def HasRDRAND : Predicate<"Subtarget->hasRDRAND()">;
755 def HasF16C : Predicate<"Subtarget->hasF16C()">;
756 def HasFSGSBase : Predicate<"Subtarget->hasFSGSBase()">;
757 def HasLZCNT : Predicate<"Subtarget->hasLZCNT()">;
758 def HasBMI : Predicate<"Subtarget->hasBMI()">;
759 def HasBMI2 : Predicate<"Subtarget->hasBMI2()">;
760 def HasRTM : Predicate<"Subtarget->hasRTM()">;
761 def HasHLE : Predicate<"Subtarget->hasHLE()">;
762 def HasTSX : Predicate<"Subtarget->hasRTM() || Subtarget->hasHLE()">;
763 def HasADX : Predicate<"Subtarget->hasADX()">;
764 def HasSHA : Predicate<"Subtarget->hasSHA()">;
765 def HasPRFCHW : Predicate<"Subtarget->hasPRFCHW()">;
766 def HasRDSEED : Predicate<"Subtarget->hasRDSEED()">;
767 def HasPrefetchW : Predicate<"Subtarget->hasPRFCHW()">;
768 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
769 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
770 def HasCmpxchg16b: Predicate<"Subtarget->hasCmpxchg16b()">;
771 def Not64BitMode : Predicate<"!Subtarget->is64Bit()">,
772 AssemblerPredicate<"!Mode64Bit", "Not 64-bit mode">;
773 def In64BitMode : Predicate<"Subtarget->is64Bit()">,
774 AssemblerPredicate<"Mode64Bit", "64-bit mode">;
775 def In16BitMode : Predicate<"Subtarget->is16Bit()">,
776 AssemblerPredicate<"Mode16Bit", "16-bit mode">;
777 def Not16BitMode : Predicate<"!Subtarget->is16Bit()">,
778 AssemblerPredicate<"!Mode16Bit", "Not 16-bit mode">;
779 def In32BitMode : Predicate<"Subtarget->is32Bit()">,
780 AssemblerPredicate<"Mode32Bit", "32-bit mode">;
781 def IsWin64 : Predicate<"Subtarget->isTargetWin64()">;
782 def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
783 def NotNaCl : Predicate<"!Subtarget->isTargetNaCl()">;
784 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
785 def KernelCode : Predicate<"TM.getCodeModel() == CodeModel::Kernel">;
786 def FarData : Predicate<"TM.getCodeModel() != CodeModel::Small &&"
787 "TM.getCodeModel() != CodeModel::Kernel">;
788 def NearData : Predicate<"TM.getCodeModel() == CodeModel::Small ||"
789 "TM.getCodeModel() == CodeModel::Kernel">;
790 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
791 def IsNotPIC : Predicate<"TM.getRelocationModel() != Reloc::PIC_">;
792 def OptForSize : Predicate<"OptForSize">;
793 def OptForSpeed : Predicate<"!OptForSize">;
794 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
795 def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
796 def FavorMemIndirectCall : Predicate<"!Subtarget->callRegIndirect()">;
798 //===----------------------------------------------------------------------===//
799 // X86 Instruction Format Definitions.
802 include "X86InstrFormats.td"
804 //===----------------------------------------------------------------------===//
805 // Pattern fragments.
808 // X86 specific condition code. These correspond to CondCode in
809 // X86InstrInfo.h. They must be kept in synch.
810 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
811 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
812 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
813 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
814 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
815 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
816 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
817 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
818 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
819 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
820 def X86_COND_NO : PatLeaf<(i8 10)>;
821 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
822 def X86_COND_NS : PatLeaf<(i8 12)>;
823 def X86_COND_O : PatLeaf<(i8 13)>;
824 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
825 def X86_COND_S : PatLeaf<(i8 15)>;
827 let FastIselShouldIgnore = 1 in { // FastIsel should ignore all simm8 instrs.
828 def i16immSExt8 : ImmLeaf<i16, [{ return Imm == (int8_t)Imm; }]>;
829 def i32immSExt8 : ImmLeaf<i32, [{ return Imm == (int8_t)Imm; }]>;
830 def i64immSExt8 : ImmLeaf<i64, [{ return Imm == (int8_t)Imm; }]>;
833 def i64immSExt32 : ImmLeaf<i64, [{ return Imm == (int32_t)Imm; }]>;
836 // i64immZExt32 predicate - True if the 64-bit immediate fits in a 32-bit
838 def i64immZExt32 : ImmLeaf<i64, [{ return (uint64_t)Imm == (uint32_t)Imm; }]>;
840 def i64immZExt32SExt8 : ImmLeaf<i64, [{
841 return (uint64_t)Imm == (uint32_t)Imm && (int32_t)Imm == (int8_t)Imm;
844 // Helper fragments for loads.
845 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
846 // known to be 32-bit aligned or better. Ditto for i8 to i16.
847 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
848 LoadSDNode *LD = cast<LoadSDNode>(N);
849 ISD::LoadExtType ExtType = LD->getExtensionType();
850 if (ExtType == ISD::NON_EXTLOAD)
852 if (ExtType == ISD::EXTLOAD)
853 return LD->getAlignment() >= 2 && !LD->isVolatile();
857 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)),[{
858 LoadSDNode *LD = cast<LoadSDNode>(N);
859 ISD::LoadExtType ExtType = LD->getExtensionType();
860 if (ExtType == ISD::EXTLOAD)
861 return LD->getAlignment() >= 2 && !LD->isVolatile();
865 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
866 LoadSDNode *LD = cast<LoadSDNode>(N);
867 ISD::LoadExtType ExtType = LD->getExtensionType();
868 if (ExtType == ISD::NON_EXTLOAD)
870 if (ExtType == ISD::EXTLOAD)
871 return LD->getAlignment() >= 4 && !LD->isVolatile();
875 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
876 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr))>;
877 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
878 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
879 def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr))>;
881 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
882 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
883 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
884 def sextloadi64i8 : PatFrag<(ops node:$ptr), (i64 (sextloadi8 node:$ptr))>;
885 def sextloadi64i16 : PatFrag<(ops node:$ptr), (i64 (sextloadi16 node:$ptr))>;
886 def sextloadi64i32 : PatFrag<(ops node:$ptr), (i64 (sextloadi32 node:$ptr))>;
888 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
889 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
890 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
891 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
892 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
893 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
894 def zextloadi64i1 : PatFrag<(ops node:$ptr), (i64 (zextloadi1 node:$ptr))>;
895 def zextloadi64i8 : PatFrag<(ops node:$ptr), (i64 (zextloadi8 node:$ptr))>;
896 def zextloadi64i16 : PatFrag<(ops node:$ptr), (i64 (zextloadi16 node:$ptr))>;
897 def zextloadi64i32 : PatFrag<(ops node:$ptr), (i64 (zextloadi32 node:$ptr))>;
899 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
900 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
901 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
902 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
903 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
904 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
905 def extloadi64i1 : PatFrag<(ops node:$ptr), (i64 (extloadi1 node:$ptr))>;
906 def extloadi64i8 : PatFrag<(ops node:$ptr), (i64 (extloadi8 node:$ptr))>;
907 def extloadi64i16 : PatFrag<(ops node:$ptr), (i64 (extloadi16 node:$ptr))>;
908 def extloadi64i32 : PatFrag<(ops node:$ptr), (i64 (extloadi32 node:$ptr))>;
911 // An 'and' node with a single use.
912 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
913 return N->hasOneUse();
915 // An 'srl' node with a single use.
916 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
917 return N->hasOneUse();
919 // An 'trunc' node with a single use.
920 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
921 return N->hasOneUse();
924 //===----------------------------------------------------------------------===//
929 let neverHasSideEffects = 1, SchedRW = [WriteZero] in {
930 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", [], IIC_NOP>;
931 def NOOPW : I<0x1f, MRMXm, (outs), (ins i16mem:$zero),
932 "nop{w}\t$zero", [], IIC_NOP>, TB, OpSize16;
933 def NOOPL : I<0x1f, MRMXm, (outs), (ins i32mem:$zero),
934 "nop{l}\t$zero", [], IIC_NOP>, TB, OpSize32;
938 // Constructing a stack frame.
939 def ENTER : Ii16<0xC8, RawFrmImm8, (outs), (ins i16imm:$len, i8imm:$lvl),
940 "enter\t$len, $lvl", [], IIC_ENTER>, Sched<[WriteMicrocoded]>;
942 let SchedRW = [WriteALU] in {
943 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
944 def LEAVE : I<0xC9, RawFrm,
945 (outs), (ins), "leave", [], IIC_LEAVE>,
946 Requires<[Not64BitMode]>;
948 let Defs = [RBP,RSP], Uses = [RBP,RSP], mayLoad = 1, neverHasSideEffects = 1 in
949 def LEAVE64 : I<0xC9, RawFrm,
950 (outs), (ins), "leave", [], IIC_LEAVE>,
951 Requires<[In64BitMode]>;
954 //===----------------------------------------------------------------------===//
955 // Miscellaneous Instructions.
958 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
959 let mayLoad = 1, SchedRW = [WriteLoad] in {
960 def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", [],
961 IIC_POP_REG16>, OpSize16;
962 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", [],
963 IIC_POP_REG>, OpSize32, Requires<[Not64BitMode]>;
964 def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", [],
965 IIC_POP_REG>, OpSize16;
966 def POP16rmm: I<0x8F, MRM0m, (outs), (ins i16mem:$dst), "pop{w}\t$dst", [],
967 IIC_POP_MEM>, OpSize16;
968 def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", [],
969 IIC_POP_REG>, OpSize32, Requires<[Not64BitMode]>;
970 def POP32rmm: I<0x8F, MRM0m, (outs), (ins i32mem:$dst), "pop{l}\t$dst", [],
971 IIC_POP_MEM>, Requires<[Not64BitMode]>;
973 def POPF16 : I<0x9D, RawFrm, (outs), (ins), "popf{w}", [], IIC_POP_F>,
975 def POPF32 : I<0x9D, RawFrm, (outs), (ins), "popf{l|d}", [], IIC_POP_FD>,
976 OpSize32, Requires<[Not64BitMode]>;
977 } // mayLoad, SchedRW
979 let mayStore = 1, SchedRW = [WriteStore] in {
980 def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[],
981 IIC_PUSH_REG>, OpSize16;
982 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[],
983 IIC_PUSH_REG>, OpSize32, Requires<[Not64BitMode]>;
984 def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[],
985 IIC_PUSH_REG>, OpSize16;
986 def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[],
987 IIC_PUSH_MEM>, OpSize16;
988 def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[],
989 IIC_PUSH_REG>, OpSize32, Requires<[Not64BitMode]>;
990 def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[],
991 IIC_PUSH_MEM>, OpSize32, Requires<[Not64BitMode]>;
993 def PUSH16i8 : Ii8<0x6a, RawFrm, (outs), (ins i16i8imm:$imm),
994 "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16,
995 Requires<[Not64BitMode]>;
996 def PUSH32i8 : Ii8<0x6a, RawFrm, (outs), (ins i32i8imm:$imm),
997 "push{l}\t$imm", [], IIC_PUSH_IMM>, OpSize32,
998 Requires<[Not64BitMode]>;
999 def PUSHi16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
1000 "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16,
1001 Requires<[Not64BitMode]>;
1002 def PUSHi32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
1003 "push{l}\t$imm", [], IIC_PUSH_IMM>, OpSize32,
1004 Requires<[Not64BitMode]>;
1006 def PUSHF16 : I<0x9C, RawFrm, (outs), (ins), "pushf{w}", [], IIC_PUSH_F>,
1008 def PUSHF32 : I<0x9C, RawFrm, (outs), (ins), "pushf{l|d}", [], IIC_PUSH_F>,
1009 OpSize32, Requires<[Not64BitMode]>;
1011 } // mayStore, SchedRW
1014 let Defs = [RSP], Uses = [RSP], neverHasSideEffects=1 in {
1015 let mayLoad = 1, SchedRW = [WriteLoad] in {
1016 def POP64r : I<0x58, AddRegFrm, (outs GR64:$reg), (ins), "pop{q}\t$reg", [],
1017 IIC_POP_REG>, Requires<[In64BitMode]>;
1018 def POP64rmr: I<0x8F, MRM0r, (outs GR64:$reg), (ins), "pop{q}\t$reg", [],
1019 IIC_POP_REG>, Requires<[In64BitMode]>;
1020 def POP64rmm: I<0x8F, MRM0m, (outs), (ins i64mem:$dst), "pop{q}\t$dst", [],
1021 IIC_POP_MEM>, Requires<[In64BitMode]>;
1022 } // mayLoad, SchedRW
1023 let mayStore = 1, SchedRW = [WriteStore] in {
1024 def PUSH64r : I<0x50, AddRegFrm, (outs), (ins GR64:$reg), "push{q}\t$reg", [],
1025 IIC_PUSH_REG>, Requires<[In64BitMode]>;
1026 def PUSH64rmr: I<0xFF, MRM6r, (outs), (ins GR64:$reg), "push{q}\t$reg", [],
1027 IIC_PUSH_REG>, Requires<[In64BitMode]>;
1028 def PUSH64rmm: I<0xFF, MRM6m, (outs), (ins i64mem:$src), "push{q}\t$src", [],
1029 IIC_PUSH_MEM>, Requires<[In64BitMode]>;
1030 } // mayStore, SchedRW
1033 let Defs = [RSP], Uses = [RSP], neverHasSideEffects = 1, mayStore = 1,
1034 SchedRW = [WriteStore] in {
1035 def PUSH64i8 : Ii8<0x6a, RawFrm, (outs), (ins i64i8imm:$imm),
1036 "push{q}\t$imm", [], IIC_PUSH_IMM>, Requires<[In64BitMode]>;
1037 def PUSH64i16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
1038 "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16,
1039 Requires<[In64BitMode]>;
1040 def PUSH64i32 : Ii32S<0x68, RawFrm, (outs), (ins i64i32imm:$imm),
1041 "push{q}\t$imm", [], IIC_PUSH_IMM>, Requires<[In64BitMode]>;
1044 let Defs = [RSP, EFLAGS], Uses = [RSP], mayLoad = 1, neverHasSideEffects=1 in
1045 def POPF64 : I<0x9D, RawFrm, (outs), (ins), "popfq", [], IIC_POP_FD>,
1046 Requires<[In64BitMode]>, Sched<[WriteLoad]>;
1047 let Defs = [RSP], Uses = [RSP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in
1048 def PUSHF64 : I<0x9C, RawFrm, (outs), (ins), "pushfq", [], IIC_PUSH_F>,
1049 Requires<[In64BitMode]>, Sched<[WriteStore]>;
1051 let Defs = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP], Uses = [ESP],
1052 mayLoad = 1, neverHasSideEffects = 1, SchedRW = [WriteLoad] in {
1053 def POPA32 : I<0x61, RawFrm, (outs), (ins), "popal", [], IIC_POP_A>,
1054 OpSize32, Requires<[Not64BitMode]>;
1055 def POPA16 : I<0x61, RawFrm, (outs), (ins), "popaw", [], IIC_POP_A>,
1056 OpSize16, Requires<[Not64BitMode]>;
1058 let Defs = [ESP], Uses = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP],
1059 mayStore = 1, neverHasSideEffects = 1, SchedRW = [WriteStore] in {
1060 def PUSHA32 : I<0x60, RawFrm, (outs), (ins), "pushal", [], IIC_PUSH_A>,
1061 OpSize32, Requires<[Not64BitMode]>;
1062 def PUSHA16 : I<0x60, RawFrm, (outs), (ins), "pushaw", [], IIC_PUSH_A>,
1063 OpSize16, Requires<[Not64BitMode]>;
1066 let Constraints = "$src = $dst", SchedRW = [WriteALU] in {
1067 // GR32 = bswap GR32
1068 def BSWAP32r : I<0xC8, AddRegFrm,
1069 (outs GR32:$dst), (ins GR32:$src),
1071 [(set GR32:$dst, (bswap GR32:$src))], IIC_BSWAP>, OpSize32, TB;
1073 def BSWAP64r : RI<0xC8, AddRegFrm, (outs GR64:$dst), (ins GR64:$src),
1075 [(set GR64:$dst, (bswap GR64:$src))], IIC_BSWAP>, TB;
1076 } // Constraints = "$src = $dst", SchedRW
1078 // Bit scan instructions.
1079 let Defs = [EFLAGS] in {
1080 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1081 "bsf{w}\t{$src, $dst|$dst, $src}",
1082 [(set GR16:$dst, EFLAGS, (X86bsf GR16:$src))],
1083 IIC_BIT_SCAN_REG>, TB, OpSize16, Sched<[WriteShift]>;
1084 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1085 "bsf{w}\t{$src, $dst|$dst, $src}",
1086 [(set GR16:$dst, EFLAGS, (X86bsf (loadi16 addr:$src)))],
1087 IIC_BIT_SCAN_MEM>, TB, OpSize16, Sched<[WriteShiftLd]>;
1088 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1089 "bsf{l}\t{$src, $dst|$dst, $src}",
1090 [(set GR32:$dst, EFLAGS, (X86bsf GR32:$src))],
1091 IIC_BIT_SCAN_REG>, TB, OpSize32,
1092 Sched<[WriteShift]>;
1093 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1094 "bsf{l}\t{$src, $dst|$dst, $src}",
1095 [(set GR32:$dst, EFLAGS, (X86bsf (loadi32 addr:$src)))],
1096 IIC_BIT_SCAN_MEM>, TB, OpSize32, Sched<[WriteShiftLd]>;
1097 def BSF64rr : RI<0xBC, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1098 "bsf{q}\t{$src, $dst|$dst, $src}",
1099 [(set GR64:$dst, EFLAGS, (X86bsf GR64:$src))],
1100 IIC_BIT_SCAN_REG>, TB, Sched<[WriteShift]>;
1101 def BSF64rm : RI<0xBC, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1102 "bsf{q}\t{$src, $dst|$dst, $src}",
1103 [(set GR64:$dst, EFLAGS, (X86bsf (loadi64 addr:$src)))],
1104 IIC_BIT_SCAN_MEM>, TB, Sched<[WriteShiftLd]>;
1106 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1107 "bsr{w}\t{$src, $dst|$dst, $src}",
1108 [(set GR16:$dst, EFLAGS, (X86bsr GR16:$src))],
1110 TB, OpSize16, Sched<[WriteShift]>;
1111 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1112 "bsr{w}\t{$src, $dst|$dst, $src}",
1113 [(set GR16:$dst, EFLAGS, (X86bsr (loadi16 addr:$src)))],
1114 IIC_BIT_SCAN_MEM>, TB,
1115 OpSize16, Sched<[WriteShiftLd]>;
1116 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1117 "bsr{l}\t{$src, $dst|$dst, $src}",
1118 [(set GR32:$dst, EFLAGS, (X86bsr GR32:$src))],
1119 IIC_BIT_SCAN_REG>, TB, OpSize32,
1120 Sched<[WriteShift]>;
1121 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1122 "bsr{l}\t{$src, $dst|$dst, $src}",
1123 [(set GR32:$dst, EFLAGS, (X86bsr (loadi32 addr:$src)))],
1124 IIC_BIT_SCAN_MEM>, TB, OpSize32, Sched<[WriteShiftLd]>;
1125 def BSR64rr : RI<0xBD, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1126 "bsr{q}\t{$src, $dst|$dst, $src}",
1127 [(set GR64:$dst, EFLAGS, (X86bsr GR64:$src))], IIC_BIT_SCAN_REG>, TB,
1128 Sched<[WriteShift]>;
1129 def BSR64rm : RI<0xBD, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1130 "bsr{q}\t{$src, $dst|$dst, $src}",
1131 [(set GR64:$dst, EFLAGS, (X86bsr (loadi64 addr:$src)))],
1132 IIC_BIT_SCAN_MEM>, TB, Sched<[WriteShiftLd]>;
1133 } // Defs = [EFLAGS]
1135 let SchedRW = [WriteMicrocoded] in {
1136 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1137 let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in {
1138 def MOVSB : I<0xA4, RawFrmDstSrc, (outs dstidx8:$dst), (ins srcidx8:$src),
1139 "movsb\t{$src, $dst|$dst, $src}", [], IIC_MOVS>;
1140 def MOVSW : I<0xA5, RawFrmDstSrc, (outs dstidx16:$dst), (ins srcidx16:$src),
1141 "movsw\t{$src, $dst|$dst, $src}", [], IIC_MOVS>, OpSize16;
1142 def MOVSL : I<0xA5, RawFrmDstSrc, (outs dstidx32:$dst), (ins srcidx32:$src),
1143 "movs{l|d}\t{$src, $dst|$dst, $src}", [], IIC_MOVS>, OpSize32;
1144 def MOVSQ : RI<0xA5, RawFrmDstSrc, (outs dstidx64:$dst), (ins srcidx64:$src),
1145 "movsq\t{$src, $dst|$dst, $src}", [], IIC_MOVS>;
1148 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1149 let Defs = [EDI], Uses = [AL,EDI,EFLAGS] in
1150 def STOSB : I<0xAA, RawFrmDst, (outs dstidx8:$dst), (ins),
1151 "stosb\t{%al, $dst|$dst, al}", [], IIC_STOS>;
1152 let Defs = [EDI], Uses = [AX,EDI,EFLAGS] in
1153 def STOSW : I<0xAB, RawFrmDst, (outs dstidx16:$dst), (ins),
1154 "stosw\t{%ax, $dst|$dst, ax}", [], IIC_STOS>, OpSize16;
1155 let Defs = [EDI], Uses = [EAX,EDI,EFLAGS] in
1156 def STOSL : I<0xAB, RawFrmDst, (outs dstidx32:$dst), (ins),
1157 "stos{l|d}\t{%eax, $dst|$dst, eax}", [], IIC_STOS>, OpSize32;
1158 let Defs = [RCX,RDI], Uses = [RAX,RCX,RDI,EFLAGS] in
1159 def STOSQ : RI<0xAB, RawFrmDst, (outs dstidx64:$dst), (ins),
1160 "stosq\t{%rax, $dst|$dst, rax}", [], IIC_STOS>;
1162 def SCAS8 : I<0xAE, RawFrmDst, (outs), (ins dstidx8:$dst),
1163 "scasb\t{$dst, %al|al, $dst}", [], IIC_SCAS>;
1164 def SCAS16 : I<0xAF, RawFrmDst, (outs), (ins dstidx16:$dst),
1165 "scasw\t{$dst, %ax|ax, $dst}", [], IIC_SCAS>, OpSize16;
1166 def SCAS32 : I<0xAF, RawFrmDst, (outs), (ins dstidx32:$dst),
1167 "scas{l|d}\t{$dst, %eax|eax, $dst}", [], IIC_SCAS>, OpSize32;
1168 def SCAS64 : RI<0xAF, RawFrmDst, (outs), (ins dstidx64:$dst),
1169 "scasq\t{$dst, %rax|rax, $dst}", [], IIC_SCAS>;
1171 def CMPS8 : I<0xA6, RawFrmDstSrc, (outs), (ins dstidx8:$dst, srcidx8:$src),
1172 "cmpsb\t{$dst, $src|$src, $dst}", [], IIC_CMPS>;
1173 def CMPS16 : I<0xA7, RawFrmDstSrc, (outs), (ins dstidx16:$dst, srcidx16:$src),
1174 "cmpsw\t{$dst, $src|$src, $dst}", [], IIC_CMPS>, OpSize16;
1175 def CMPS32 : I<0xA7, RawFrmDstSrc, (outs), (ins dstidx32:$dst, srcidx32:$src),
1176 "cmps{l|d}\t{$dst, $src|$src, $dst}", [], IIC_CMPS>, OpSize32;
1177 def CMPS64 : RI<0xA7, RawFrmDstSrc, (outs), (ins dstidx64:$dst, srcidx64:$src),
1178 "cmpsq\t{$dst, $src|$src, $dst}", [], IIC_CMPS>;
1181 //===----------------------------------------------------------------------===//
1182 // Move Instructions.
1184 let SchedRW = [WriteMove] in {
1185 let neverHasSideEffects = 1 in {
1186 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
1187 "mov{b}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1188 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1189 "mov{w}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize16;
1190 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
1191 "mov{l}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize32;
1192 def MOV64rr : RI<0x89, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
1193 "mov{q}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1196 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
1197 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
1198 "mov{b}\t{$src, $dst|$dst, $src}",
1199 [(set GR8:$dst, imm:$src)], IIC_MOV>;
1200 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
1201 "mov{w}\t{$src, $dst|$dst, $src}",
1202 [(set GR16:$dst, imm:$src)], IIC_MOV>, OpSize16;
1203 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
1204 "mov{l}\t{$src, $dst|$dst, $src}",
1205 [(set GR32:$dst, imm:$src)], IIC_MOV>, OpSize32;
1206 def MOV64ri32 : RIi32S<0xC7, MRM0r, (outs GR64:$dst), (ins i64i32imm:$src),
1207 "mov{q}\t{$src, $dst|$dst, $src}",
1208 [(set GR64:$dst, i64immSExt32:$src)], IIC_MOV>;
1210 let isReMaterializable = 1 in {
1211 def MOV64ri : RIi64<0xB8, AddRegFrm, (outs GR64:$dst), (ins i64imm:$src),
1212 "movabs{q}\t{$src, $dst|$dst, $src}",
1213 [(set GR64:$dst, imm:$src)], IIC_MOV>;
1217 let SchedRW = [WriteStore] in {
1218 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
1219 "mov{b}\t{$src, $dst|$dst, $src}",
1220 [(store (i8 imm:$src), addr:$dst)], IIC_MOV_MEM>;
1221 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
1222 "mov{w}\t{$src, $dst|$dst, $src}",
1223 [(store (i16 imm:$src), addr:$dst)], IIC_MOV_MEM>, OpSize16;
1224 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
1225 "mov{l}\t{$src, $dst|$dst, $src}",
1226 [(store (i32 imm:$src), addr:$dst)], IIC_MOV_MEM>, OpSize32;
1227 def MOV64mi32 : RIi32S<0xC7, MRM0m, (outs), (ins i64mem:$dst, i64i32imm:$src),
1228 "mov{q}\t{$src, $dst|$dst, $src}",
1229 [(store i64immSExt32:$src, addr:$dst)], IIC_MOV_MEM>;
1232 let hasSideEffects = 0 in {
1234 /// moffs8, moffs16 and moffs32 versions of moves. The immediate is a
1235 /// 32-bit offset from the segment base. These are only valid in x86-32 mode.
1236 let SchedRW = [WriteALU] in {
1237 let mayLoad = 1 in {
1238 def MOV8o8a : Ii32 <0xA0, RawFrmMemOffs, (outs), (ins offset8:$src),
1239 "mov{b}\t{$src, %al|al, $src}", [], IIC_MOV_MEM>,
1240 Requires<[In32BitMode]>;
1241 def MOV16o16a : Ii32 <0xA1, RawFrmMemOffs, (outs), (ins offset16:$src),
1242 "mov{w}\t{$src, %ax|ax, $src}", [], IIC_MOV_MEM>,
1243 OpSize16, Requires<[In32BitMode]>;
1244 def MOV32o32a : Ii32 <0xA1, RawFrmMemOffs, (outs), (ins offset32:$src),
1245 "mov{l}\t{$src, %eax|eax, $src}", [], IIC_MOV_MEM>,
1246 OpSize32, Requires<[In32BitMode]>;
1248 def MOV8o8a_16 : Ii16 <0xA0, RawFrmMemOffs, (outs), (ins offset8:$src),
1249 "mov{b}\t{$src, %al|al, $src}", [], IIC_MOV_MEM>,
1250 AdSize, Requires<[In16BitMode]>;
1251 def MOV16o16a_16 : Ii16 <0xA1, RawFrmMemOffs, (outs), (ins offset16:$src),
1252 "mov{w}\t{$src, %ax|ax, $src}", [], IIC_MOV_MEM>,
1253 OpSize16, AdSize, Requires<[In16BitMode]>;
1254 def MOV32o32a_16 : Ii16 <0xA1, RawFrmMemOffs, (outs), (ins offset32:$src),
1255 "mov{l}\t{$src, %eax|eax, $src}", [], IIC_MOV_MEM>,
1256 AdSize, OpSize32, Requires<[In16BitMode]>;
1258 let mayStore = 1 in {
1259 def MOV8ao8 : Ii32 <0xA2, RawFrmMemOffs, (outs offset8:$dst), (ins),
1260 "mov{b}\t{%al, $dst|$dst, al}", [], IIC_MOV_MEM>,
1261 Requires<[In32BitMode]>;
1262 def MOV16ao16 : Ii32 <0xA3, RawFrmMemOffs, (outs offset16:$dst), (ins),
1263 "mov{w}\t{%ax, $dst|$dst, ax}", [], IIC_MOV_MEM>,
1264 OpSize16, Requires<[In32BitMode]>;
1265 def MOV32ao32 : Ii32 <0xA3, RawFrmMemOffs, (outs offset32:$dst), (ins),
1266 "mov{l}\t{%eax, $dst|$dst, eax}", [], IIC_MOV_MEM>,
1267 OpSize32, Requires<[In32BitMode]>;
1269 def MOV8ao8_16 : Ii16 <0xA2, RawFrmMemOffs, (outs offset8:$dst), (ins),
1270 "mov{b}\t{%al, $dst|$dst, al}", [], IIC_MOV_MEM>,
1271 AdSize, Requires<[In16BitMode]>;
1272 def MOV16ao16_16 : Ii16 <0xA3, RawFrmMemOffs, (outs offset16:$dst), (ins),
1273 "mov{w}\t{%ax, $dst|$dst, ax}", [], IIC_MOV_MEM>,
1274 OpSize16, AdSize, Requires<[In16BitMode]>;
1275 def MOV32ao32_16 : Ii16 <0xA3, RawFrmMemOffs, (outs offset32:$dst), (ins),
1276 "mov{l}\t{%eax, $dst|$dst, eax}", [], IIC_MOV_MEM>,
1277 OpSize32, AdSize, Requires<[In16BitMode]>;
1281 // These forms all have full 64-bit absolute addresses in their instructions
1282 // and use the movabs mnemonic to indicate this specific form.
1283 let mayLoad = 1 in {
1284 def MOV64o8a : RIi64_NOREX<0xA0, RawFrmMemOffs, (outs), (ins offset8:$src),
1285 "movabs{b}\t{$src, %al|al, $src}", []>,
1286 Requires<[In64BitMode]>;
1287 def MOV64o16a : RIi64_NOREX<0xA1, RawFrmMemOffs, (outs), (ins offset16:$src),
1288 "movabs{w}\t{$src, %ax|ax, $src}", []>, OpSize16,
1289 Requires<[In64BitMode]>;
1290 def MOV64o32a : RIi64_NOREX<0xA1, RawFrmMemOffs, (outs), (ins offset32:$src),
1291 "movabs{l}\t{$src, %eax|eax, $src}", []>, OpSize32,
1292 Requires<[In64BitMode]>;
1293 def MOV64o64a : RIi64<0xA1, RawFrmMemOffs, (outs), (ins offset64:$src),
1294 "movabs{q}\t{$src, %rax|rax, $src}", []>,
1295 Requires<[In64BitMode]>;
1298 let mayStore = 1 in {
1299 def MOV64ao8 : RIi64_NOREX<0xA2, RawFrmMemOffs, (outs offset8:$dst), (ins),
1300 "movabs{b}\t{%al, $dst|$dst, al}", []>,
1301 Requires<[In64BitMode]>;
1302 def MOV64ao16 : RIi64_NOREX<0xA3, RawFrmMemOffs, (outs offset16:$dst), (ins),
1303 "movabs{w}\t{%ax, $dst|$dst, ax}", []>, OpSize16,
1304 Requires<[In64BitMode]>;
1305 def MOV64ao32 : RIi64_NOREX<0xA3, RawFrmMemOffs, (outs offset32:$dst), (ins),
1306 "movabs{l}\t{%eax, $dst|$dst, eax}", []>, OpSize32,
1307 Requires<[In64BitMode]>;
1308 def MOV64ao64 : RIi64<0xA3, RawFrmMemOffs, (outs offset64:$dst), (ins),
1309 "movabs{q}\t{%rax, $dst|$dst, rax}", []>,
1310 Requires<[In64BitMode]>;
1312 } // hasSideEffects = 0
1314 let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0,
1315 SchedRW = [WriteMove] in {
1316 def MOV8rr_REV : I<0x8A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src),
1317 "mov{b}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1318 def MOV16rr_REV : I<0x8B, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1319 "mov{w}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize16;
1320 def MOV32rr_REV : I<0x8B, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1321 "mov{l}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize32;
1322 def MOV64rr_REV : RI<0x8B, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1323 "mov{q}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1326 let canFoldAsLoad = 1, isReMaterializable = 1, SchedRW = [WriteLoad] in {
1327 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
1328 "mov{b}\t{$src, $dst|$dst, $src}",
1329 [(set GR8:$dst, (loadi8 addr:$src))], IIC_MOV_MEM>;
1330 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1331 "mov{w}\t{$src, $dst|$dst, $src}",
1332 [(set GR16:$dst, (loadi16 addr:$src))], IIC_MOV_MEM>, OpSize16;
1333 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1334 "mov{l}\t{$src, $dst|$dst, $src}",
1335 [(set GR32:$dst, (loadi32 addr:$src))], IIC_MOV_MEM>, OpSize32;
1336 def MOV64rm : RI<0x8B, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1337 "mov{q}\t{$src, $dst|$dst, $src}",
1338 [(set GR64:$dst, (load addr:$src))], IIC_MOV_MEM>;
1341 let SchedRW = [WriteStore] in {
1342 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
1343 "mov{b}\t{$src, $dst|$dst, $src}",
1344 [(store GR8:$src, addr:$dst)], IIC_MOV_MEM>;
1345 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1346 "mov{w}\t{$src, $dst|$dst, $src}",
1347 [(store GR16:$src, addr:$dst)], IIC_MOV_MEM>, OpSize16;
1348 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1349 "mov{l}\t{$src, $dst|$dst, $src}",
1350 [(store GR32:$src, addr:$dst)], IIC_MOV_MEM>, OpSize32;
1351 def MOV64mr : RI<0x89, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
1352 "mov{q}\t{$src, $dst|$dst, $src}",
1353 [(store GR64:$src, addr:$dst)], IIC_MOV_MEM>;
1356 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
1357 // that they can be used for copying and storing h registers, which can't be
1358 // encoded when a REX prefix is present.
1359 let isCodeGenOnly = 1 in {
1360 let neverHasSideEffects = 1 in
1361 def MOV8rr_NOREX : I<0x88, MRMDestReg,
1362 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
1363 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [], IIC_MOV>,
1365 let mayStore = 1, neverHasSideEffects = 1 in
1366 def MOV8mr_NOREX : I<0x88, MRMDestMem,
1367 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
1368 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [],
1369 IIC_MOV_MEM>, Sched<[WriteStore]>;
1370 let mayLoad = 1, neverHasSideEffects = 1,
1371 canFoldAsLoad = 1, isReMaterializable = 1 in
1372 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
1373 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
1374 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [],
1375 IIC_MOV_MEM>, Sched<[WriteLoad]>;
1379 // Condition code ops, incl. set if equal/not equal/...
1380 let SchedRW = [WriteALU] in {
1381 let Defs = [EFLAGS], Uses = [AH] in
1382 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf",
1383 [(set EFLAGS, (X86sahf AH))], IIC_AHF>;
1384 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
1385 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", [],
1386 IIC_AHF>; // AH = flags
1389 //===----------------------------------------------------------------------===//
1390 // Bit tests instructions: BT, BTS, BTR, BTC.
1392 let Defs = [EFLAGS] in {
1393 let SchedRW = [WriteALU] in {
1394 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
1395 "bt{w}\t{$src2, $src1|$src1, $src2}",
1396 [(set EFLAGS, (X86bt GR16:$src1, GR16:$src2))], IIC_BT_RR>,
1398 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
1399 "bt{l}\t{$src2, $src1|$src1, $src2}",
1400 [(set EFLAGS, (X86bt GR32:$src1, GR32:$src2))], IIC_BT_RR>,
1402 def BT64rr : RI<0xA3, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
1403 "bt{q}\t{$src2, $src1|$src1, $src2}",
1404 [(set EFLAGS, (X86bt GR64:$src1, GR64:$src2))], IIC_BT_RR>, TB;
1407 // Unlike with the register+register form, the memory+register form of the
1408 // bt instruction does not ignore the high bits of the index. From ISel's
1409 // perspective, this is pretty bizarre. Make these instructions disassembly
1412 let mayLoad = 1, hasSideEffects = 0, SchedRW = [WriteALULd] in {
1413 def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
1414 "bt{w}\t{$src2, $src1|$src1, $src2}",
1415 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
1416 // (implicit EFLAGS)]
1418 >, OpSize16, TB, Requires<[FastBTMem]>;
1419 def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
1420 "bt{l}\t{$src2, $src1|$src1, $src2}",
1421 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
1422 // (implicit EFLAGS)]
1424 >, OpSize32, TB, Requires<[FastBTMem]>;
1425 def BT64mr : RI<0xA3, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
1426 "bt{q}\t{$src2, $src1|$src1, $src2}",
1427 // [(X86bt (loadi64 addr:$src1), GR64:$src2),
1428 // (implicit EFLAGS)]
1433 let SchedRW = [WriteALU] in {
1434 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
1435 "bt{w}\t{$src2, $src1|$src1, $src2}",
1436 [(set EFLAGS, (X86bt GR16:$src1, i16immSExt8:$src2))],
1437 IIC_BT_RI>, OpSize16, TB;
1438 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
1439 "bt{l}\t{$src2, $src1|$src1, $src2}",
1440 [(set EFLAGS, (X86bt GR32:$src1, i32immSExt8:$src2))],
1441 IIC_BT_RI>, OpSize32, TB;
1442 def BT64ri8 : RIi8<0xBA, MRM4r, (outs), (ins GR64:$src1, i64i8imm:$src2),
1443 "bt{q}\t{$src2, $src1|$src1, $src2}",
1444 [(set EFLAGS, (X86bt GR64:$src1, i64immSExt8:$src2))],
1448 // Note that these instructions don't need FastBTMem because that
1449 // only applies when the other operand is in a register. When it's
1450 // an immediate, bt is still fast.
1451 let SchedRW = [WriteALU] in {
1452 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
1453 "bt{w}\t{$src2, $src1|$src1, $src2}",
1454 [(set EFLAGS, (X86bt (loadi16 addr:$src1), i16immSExt8:$src2))
1455 ], IIC_BT_MI>, OpSize16, TB;
1456 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
1457 "bt{l}\t{$src2, $src1|$src1, $src2}",
1458 [(set EFLAGS, (X86bt (loadi32 addr:$src1), i32immSExt8:$src2))
1459 ], IIC_BT_MI>, OpSize32, TB;
1460 def BT64mi8 : RIi8<0xBA, MRM4m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
1461 "bt{q}\t{$src2, $src1|$src1, $src2}",
1462 [(set EFLAGS, (X86bt (loadi64 addr:$src1),
1463 i64immSExt8:$src2))], IIC_BT_MI>, TB;
1466 let hasSideEffects = 0 in {
1467 let SchedRW = [WriteALU] in {
1468 def BTC16rr : I<0xBB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
1469 "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1471 def BTC32rr : I<0xBB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
1472 "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1474 def BTC64rr : RI<0xBB, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
1475 "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>, TB;
1478 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1479 def BTC16mr : I<0xBB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
1480 "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1482 def BTC32mr : I<0xBB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
1483 "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1485 def BTC64mr : RI<0xBB, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
1486 "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, TB;
1489 let SchedRW = [WriteALU] in {
1490 def BTC16ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR16:$src1, i16i8imm:$src2),
1491 "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1493 def BTC32ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR32:$src1, i32i8imm:$src2),
1494 "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1496 def BTC64ri8 : RIi8<0xBA, MRM7r, (outs), (ins GR64:$src1, i64i8imm:$src2),
1497 "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, TB;
1500 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1501 def BTC16mi8 : Ii8<0xBA, MRM7m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
1502 "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1504 def BTC32mi8 : Ii8<0xBA, MRM7m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
1505 "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1507 def BTC64mi8 : RIi8<0xBA, MRM7m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
1508 "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, TB;
1511 let SchedRW = [WriteALU] in {
1512 def BTR16rr : I<0xB3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
1513 "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1515 def BTR32rr : I<0xB3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
1516 "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1518 def BTR64rr : RI<0xB3, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
1519 "btr{q}\t{$src2, $src1|$src1, $src2}", []>, TB;
1522 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1523 def BTR16mr : I<0xB3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
1524 "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1526 def BTR32mr : I<0xB3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
1527 "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1529 def BTR64mr : RI<0xB3, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
1530 "btr{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, TB;
1533 let SchedRW = [WriteALU] in {
1534 def BTR16ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR16:$src1, i16i8imm:$src2),
1535 "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1537 def BTR32ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR32:$src1, i32i8imm:$src2),
1538 "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1540 def BTR64ri8 : RIi8<0xBA, MRM6r, (outs), (ins GR64:$src1, i64i8imm:$src2),
1541 "btr{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, TB;
1544 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1545 def BTR16mi8 : Ii8<0xBA, MRM6m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
1546 "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1548 def BTR32mi8 : Ii8<0xBA, MRM6m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
1549 "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1551 def BTR64mi8 : RIi8<0xBA, MRM6m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
1552 "btr{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, TB;
1555 let SchedRW = [WriteALU] in {
1556 def BTS16rr : I<0xAB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
1557 "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1559 def BTS32rr : I<0xAB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
1560 "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1562 def BTS64rr : RI<0xAB, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
1563 "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>, TB;
1566 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1567 def BTS16mr : I<0xAB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
1568 "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1570 def BTS32mr : I<0xAB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
1571 "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1573 def BTS64mr : RI<0xAB, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
1574 "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, TB;
1577 let SchedRW = [WriteALU] in {
1578 def BTS16ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR16:$src1, i16i8imm:$src2),
1579 "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1581 def BTS32ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR32:$src1, i32i8imm:$src2),
1582 "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1584 def BTS64ri8 : RIi8<0xBA, MRM5r, (outs), (ins GR64:$src1, i64i8imm:$src2),
1585 "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, TB;
1588 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1589 def BTS16mi8 : Ii8<0xBA, MRM5m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
1590 "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1592 def BTS32mi8 : Ii8<0xBA, MRM5m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
1593 "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1595 def BTS64mi8 : RIi8<0xBA, MRM5m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
1596 "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, TB;
1598 } // hasSideEffects = 0
1599 } // Defs = [EFLAGS]
1602 //===----------------------------------------------------------------------===//
1606 // Atomic swap. These are just normal xchg instructions. But since a memory
1607 // operand is referenced, the atomicity is ensured.
1608 multiclass ATOMIC_SWAP<bits<8> opc8, bits<8> opc, string mnemonic, string frag,
1609 InstrItinClass itin> {
1610 let Constraints = "$val = $dst", SchedRW = [WriteALULd, WriteRMW] in {
1611 def NAME#8rm : I<opc8, MRMSrcMem, (outs GR8:$dst),
1612 (ins GR8:$val, i8mem:$ptr),
1613 !strconcat(mnemonic, "{b}\t{$val, $ptr|$ptr, $val}"),
1616 (!cast<PatFrag>(frag # "_8") addr:$ptr, GR8:$val))],
1618 def NAME#16rm : I<opc, MRMSrcMem, (outs GR16:$dst),
1619 (ins GR16:$val, i16mem:$ptr),
1620 !strconcat(mnemonic, "{w}\t{$val, $ptr|$ptr, $val}"),
1623 (!cast<PatFrag>(frag # "_16") addr:$ptr, GR16:$val))],
1625 def NAME#32rm : I<opc, MRMSrcMem, (outs GR32:$dst),
1626 (ins GR32:$val, i32mem:$ptr),
1627 !strconcat(mnemonic, "{l}\t{$val, $ptr|$ptr, $val}"),
1630 (!cast<PatFrag>(frag # "_32") addr:$ptr, GR32:$val))],
1632 def NAME#64rm : RI<opc, MRMSrcMem, (outs GR64:$dst),
1633 (ins GR64:$val, i64mem:$ptr),
1634 !strconcat(mnemonic, "{q}\t{$val, $ptr|$ptr, $val}"),
1637 (!cast<PatFrag>(frag # "_64") addr:$ptr, GR64:$val))],
1642 defm XCHG : ATOMIC_SWAP<0x86, 0x87, "xchg", "atomic_swap", IIC_XCHG_MEM>;
1644 // Swap between registers.
1645 let SchedRW = [WriteALU] in {
1646 let Constraints = "$val = $dst" in {
1647 def XCHG8rr : I<0x86, MRMSrcReg, (outs GR8:$dst), (ins GR8:$val, GR8:$src),
1648 "xchg{b}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>;
1649 def XCHG16rr : I<0x87, MRMSrcReg, (outs GR16:$dst), (ins GR16:$val, GR16:$src),
1650 "xchg{w}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>,
1652 def XCHG32rr : I<0x87, MRMSrcReg, (outs GR32:$dst), (ins GR32:$val, GR32:$src),
1653 "xchg{l}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>,
1655 def XCHG64rr : RI<0x87, MRMSrcReg, (outs GR64:$dst), (ins GR64:$val,GR64:$src),
1656 "xchg{q}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>;
1659 // Swap between EAX and other registers.
1660 def XCHG16ar : I<0x90, AddRegFrm, (outs), (ins GR16:$src),
1661 "xchg{w}\t{$src, %ax|ax, $src}", [], IIC_XCHG_REG>, OpSize16;
1662 def XCHG32ar : I<0x90, AddRegFrm, (outs), (ins GR32:$src),
1663 "xchg{l}\t{$src, %eax|eax, $src}", [], IIC_XCHG_REG>,
1664 OpSize32, Requires<[Not64BitMode]>;
1665 // Uses GR32_NOAX in 64-bit mode to prevent encoding using the 0x90 NOP encoding.
1666 // xchg %eax, %eax needs to clear upper 32-bits of RAX so is not a NOP.
1667 def XCHG32ar64 : I<0x90, AddRegFrm, (outs), (ins GR32_NOAX:$src),
1668 "xchg{l}\t{$src, %eax|eax, $src}", [], IIC_XCHG_REG>,
1669 Requires<[In64BitMode]>;
1670 def XCHG64ar : RI<0x90, AddRegFrm, (outs), (ins GR64:$src),
1671 "xchg{q}\t{$src, %rax|rax, $src}", [], IIC_XCHG_REG>;
1674 let SchedRW = [WriteALU] in {
1675 def XADD8rr : I<0xC0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
1676 "xadd{b}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB;
1677 def XADD16rr : I<0xC1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1678 "xadd{w}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB,
1680 def XADD32rr : I<0xC1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
1681 "xadd{l}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB,
1683 def XADD64rr : RI<0xC1, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
1684 "xadd{q}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB;
1687 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1688 def XADD8rm : I<0xC0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1689 "xadd{b}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB;
1690 def XADD16rm : I<0xC1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1691 "xadd{w}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB,
1693 def XADD32rm : I<0xC1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1694 "xadd{l}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB,
1696 def XADD64rm : RI<0xC1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
1697 "xadd{q}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB;
1701 let SchedRW = [WriteALU] in {
1702 def CMPXCHG8rr : I<0xB0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
1703 "cmpxchg{b}\t{$src, $dst|$dst, $src}", [],
1704 IIC_CMPXCHG_REG8>, TB;
1705 def CMPXCHG16rr : I<0xB1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1706 "cmpxchg{w}\t{$src, $dst|$dst, $src}", [],
1707 IIC_CMPXCHG_REG>, TB, OpSize16;
1708 def CMPXCHG32rr : I<0xB1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
1709 "cmpxchg{l}\t{$src, $dst|$dst, $src}", [],
1710 IIC_CMPXCHG_REG>, TB, OpSize32;
1711 def CMPXCHG64rr : RI<0xB1, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
1712 "cmpxchg{q}\t{$src, $dst|$dst, $src}", [],
1713 IIC_CMPXCHG_REG>, TB;
1716 let SchedRW = [WriteALULd, WriteRMW] in {
1717 let mayLoad = 1, mayStore = 1 in {
1718 def CMPXCHG8rm : I<0xB0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1719 "cmpxchg{b}\t{$src, $dst|$dst, $src}", [],
1720 IIC_CMPXCHG_MEM8>, TB;
1721 def CMPXCHG16rm : I<0xB1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1722 "cmpxchg{w}\t{$src, $dst|$dst, $src}", [],
1723 IIC_CMPXCHG_MEM>, TB, OpSize16;
1724 def CMPXCHG32rm : I<0xB1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1725 "cmpxchg{l}\t{$src, $dst|$dst, $src}", [],
1726 IIC_CMPXCHG_MEM>, TB, OpSize32;
1727 def CMPXCHG64rm : RI<0xB1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
1728 "cmpxchg{q}\t{$src, $dst|$dst, $src}", [],
1729 IIC_CMPXCHG_MEM>, TB;
1732 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in
1733 def CMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$dst),
1734 "cmpxchg8b\t$dst", [], IIC_CMPXCHG_8B>, TB;
1736 let Defs = [RAX, RDX, EFLAGS], Uses = [RAX, RBX, RCX, RDX] in
1737 def CMPXCHG16B : RI<0xC7, MRM1m, (outs), (ins i128mem:$dst),
1738 "cmpxchg16b\t$dst", [], IIC_CMPXCHG_16B>,
1739 TB, Requires<[HasCmpxchg16b]>;
1743 // Lock instruction prefix
1744 def LOCK_PREFIX : I<0xF0, RawFrm, (outs), (ins), "lock", []>;
1746 // Rex64 instruction prefix
1747 def REX64_PREFIX : I<0x48, RawFrm, (outs), (ins), "rex64", []>,
1748 Requires<[In64BitMode]>;
1750 // Data16 instruction prefix
1751 def DATA16_PREFIX : I<0x66, RawFrm, (outs), (ins), "data16", []>;
1753 // Repeat string operation instruction prefixes
1754 // These uses the DF flag in the EFLAGS register to inc or dec ECX
1755 let Defs = [ECX], Uses = [ECX,EFLAGS] in {
1756 // Repeat (used with INS, OUTS, MOVS, LODS and STOS)
1757 def REP_PREFIX : I<0xF3, RawFrm, (outs), (ins), "rep", []>;
1758 // Repeat while not equal (used with CMPS and SCAS)
1759 def REPNE_PREFIX : I<0xF2, RawFrm, (outs), (ins), "repne", []>;
1763 // String manipulation instructions
1764 let SchedRW = [WriteMicrocoded] in {
1765 def LODSB : I<0xAC, RawFrmSrc, (outs), (ins srcidx8:$src),
1766 "lodsb\t{$src, %al|al, $src}", [], IIC_LODS>;
1767 def LODSW : I<0xAD, RawFrmSrc, (outs), (ins srcidx16:$src),
1768 "lodsw\t{$src, %ax|ax, $src}", [], IIC_LODS>, OpSize16;
1769 def LODSL : I<0xAD, RawFrmSrc, (outs), (ins srcidx32:$src),
1770 "lods{l|d}\t{$src, %eax|eax, $src}", [], IIC_LODS>, OpSize32;
1771 def LODSQ : RI<0xAD, RawFrmSrc, (outs), (ins srcidx64:$src),
1772 "lodsq\t{$src, %rax|rax, $src}", [], IIC_LODS>;
1775 let SchedRW = [WriteSystem] in {
1776 def OUTSB : I<0x6E, RawFrmSrc, (outs), (ins srcidx8:$src),
1777 "outsb\t{$src, %dx|dx, $src}", [], IIC_OUTS>;
1778 def OUTSW : I<0x6F, RawFrmSrc, (outs), (ins srcidx16:$src),
1779 "outsw\t{$src, %dx|dx, $src}", [], IIC_OUTS>, OpSize16;
1780 def OUTSL : I<0x6F, RawFrmSrc, (outs), (ins srcidx32:$src),
1781 "outs{l|d}\t{$src, %dx|dx, $src}", [], IIC_OUTS>, OpSize32;
1784 // Flag instructions
1785 let SchedRW = [WriteALU] in {
1786 def CLC : I<0xF8, RawFrm, (outs), (ins), "clc", [], IIC_CLC>;
1787 def STC : I<0xF9, RawFrm, (outs), (ins), "stc", [], IIC_STC>;
1788 def CLI : I<0xFA, RawFrm, (outs), (ins), "cli", [], IIC_CLI>;
1789 def STI : I<0xFB, RawFrm, (outs), (ins), "sti", [], IIC_STI>;
1790 def CLD : I<0xFC, RawFrm, (outs), (ins), "cld", [], IIC_CLD>;
1791 def STD : I<0xFD, RawFrm, (outs), (ins), "std", [], IIC_STD>;
1792 def CMC : I<0xF5, RawFrm, (outs), (ins), "cmc", [], IIC_CMC>;
1794 def CLTS : I<0x06, RawFrm, (outs), (ins), "clts", [], IIC_CLTS>, TB;
1797 // Table lookup instructions
1798 def XLAT : I<0xD7, RawFrm, (outs), (ins), "xlatb", [], IIC_XLAT>,
1801 let SchedRW = [WriteMicrocoded] in {
1802 // ASCII Adjust After Addition
1803 // sets AL, AH and CF and AF of EFLAGS and uses AL and AF of EFLAGS
1804 def AAA : I<0x37, RawFrm, (outs), (ins), "aaa", [], IIC_AAA>,
1805 Requires<[Not64BitMode]>;
1807 // ASCII Adjust AX Before Division
1808 // sets AL, AH and EFLAGS and uses AL and AH
1809 def AAD8i8 : Ii8<0xD5, RawFrm, (outs), (ins i8imm:$src),
1810 "aad\t$src", [], IIC_AAD>, Requires<[Not64BitMode]>;
1812 // ASCII Adjust AX After Multiply
1813 // sets AL, AH and EFLAGS and uses AL
1814 def AAM8i8 : Ii8<0xD4, RawFrm, (outs), (ins i8imm:$src),
1815 "aam\t$src", [], IIC_AAM>, Requires<[Not64BitMode]>;
1817 // ASCII Adjust AL After Subtraction - sets
1818 // sets AL, AH and CF and AF of EFLAGS and uses AL and AF of EFLAGS
1819 def AAS : I<0x3F, RawFrm, (outs), (ins), "aas", [], IIC_AAS>,
1820 Requires<[Not64BitMode]>;
1822 // Decimal Adjust AL after Addition
1823 // sets AL, CF and AF of EFLAGS and uses AL, CF and AF of EFLAGS
1824 def DAA : I<0x27, RawFrm, (outs), (ins), "daa", [], IIC_DAA>,
1825 Requires<[Not64BitMode]>;
1827 // Decimal Adjust AL after Subtraction
1828 // sets AL, CF and AF of EFLAGS and uses AL, CF and AF of EFLAGS
1829 def DAS : I<0x2F, RawFrm, (outs), (ins), "das", [], IIC_DAS>,
1830 Requires<[Not64BitMode]>;
1833 let SchedRW = [WriteSystem] in {
1834 // Check Array Index Against Bounds
1835 def BOUNDS16rm : I<0x62, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1836 "bound\t{$src, $dst|$dst, $src}", [], IIC_BOUND>, OpSize16,
1837 Requires<[Not64BitMode]>;
1838 def BOUNDS32rm : I<0x62, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1839 "bound\t{$src, $dst|$dst, $src}", [], IIC_BOUND>, OpSize32,
1840 Requires<[Not64BitMode]>;
1842 // Adjust RPL Field of Segment Selector
1843 def ARPL16rr : I<0x63, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1844 "arpl\t{$src, $dst|$dst, $src}", [], IIC_ARPL_REG>,
1845 Requires<[Not64BitMode]>;
1846 def ARPL16mr : I<0x63, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1847 "arpl\t{$src, $dst|$dst, $src}", [], IIC_ARPL_MEM>,
1848 Requires<[Not64BitMode]>;
1851 //===----------------------------------------------------------------------===//
1852 // MOVBE Instructions
1854 let Predicates = [HasMOVBE] in {
1855 let SchedRW = [WriteALULd] in {
1856 def MOVBE16rm : I<0xF0, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1857 "movbe{w}\t{$src, $dst|$dst, $src}",
1858 [(set GR16:$dst, (bswap (loadi16 addr:$src)))], IIC_MOVBE>,
1860 def MOVBE32rm : I<0xF0, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1861 "movbe{l}\t{$src, $dst|$dst, $src}",
1862 [(set GR32:$dst, (bswap (loadi32 addr:$src)))], IIC_MOVBE>,
1864 def MOVBE64rm : RI<0xF0, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1865 "movbe{q}\t{$src, $dst|$dst, $src}",
1866 [(set GR64:$dst, (bswap (loadi64 addr:$src)))], IIC_MOVBE>,
1869 let SchedRW = [WriteStore] in {
1870 def MOVBE16mr : I<0xF1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1871 "movbe{w}\t{$src, $dst|$dst, $src}",
1872 [(store (bswap GR16:$src), addr:$dst)], IIC_MOVBE>,
1874 def MOVBE32mr : I<0xF1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1875 "movbe{l}\t{$src, $dst|$dst, $src}",
1876 [(store (bswap GR32:$src), addr:$dst)], IIC_MOVBE>,
1878 def MOVBE64mr : RI<0xF1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
1879 "movbe{q}\t{$src, $dst|$dst, $src}",
1880 [(store (bswap GR64:$src), addr:$dst)], IIC_MOVBE>,
1885 //===----------------------------------------------------------------------===//
1886 // RDRAND Instruction
1888 let Predicates = [HasRDRAND], Defs = [EFLAGS] in {
1889 def RDRAND16r : I<0xC7, MRM6r, (outs GR16:$dst), (ins),
1891 [(set GR16:$dst, EFLAGS, (X86rdrand))]>, OpSize16, TB;
1892 def RDRAND32r : I<0xC7, MRM6r, (outs GR32:$dst), (ins),
1894 [(set GR32:$dst, EFLAGS, (X86rdrand))]>, OpSize32, TB;
1895 def RDRAND64r : RI<0xC7, MRM6r, (outs GR64:$dst), (ins),
1897 [(set GR64:$dst, EFLAGS, (X86rdrand))]>, TB;
1900 //===----------------------------------------------------------------------===//
1901 // RDSEED Instruction
1903 let Predicates = [HasRDSEED], Defs = [EFLAGS] in {
1904 def RDSEED16r : I<0xC7, MRM7r, (outs GR16:$dst), (ins),
1906 [(set GR16:$dst, EFLAGS, (X86rdseed))]>, OpSize16, TB;
1907 def RDSEED32r : I<0xC7, MRM7r, (outs GR32:$dst), (ins),
1909 [(set GR32:$dst, EFLAGS, (X86rdseed))]>, OpSize32, TB;
1910 def RDSEED64r : RI<0xC7, MRM7r, (outs GR64:$dst), (ins),
1912 [(set GR64:$dst, EFLAGS, (X86rdseed))]>, TB;
1915 //===----------------------------------------------------------------------===//
1916 // LZCNT Instruction
1918 let Predicates = [HasLZCNT], Defs = [EFLAGS] in {
1919 def LZCNT16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1920 "lzcnt{w}\t{$src, $dst|$dst, $src}",
1921 [(set GR16:$dst, (ctlz GR16:$src)), (implicit EFLAGS)]>, XS,
1923 def LZCNT16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1924 "lzcnt{w}\t{$src, $dst|$dst, $src}",
1925 [(set GR16:$dst, (ctlz (loadi16 addr:$src))),
1926 (implicit EFLAGS)]>, XS, OpSize16;
1928 def LZCNT32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1929 "lzcnt{l}\t{$src, $dst|$dst, $src}",
1930 [(set GR32:$dst, (ctlz GR32:$src)), (implicit EFLAGS)]>, XS,
1932 def LZCNT32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1933 "lzcnt{l}\t{$src, $dst|$dst, $src}",
1934 [(set GR32:$dst, (ctlz (loadi32 addr:$src))),
1935 (implicit EFLAGS)]>, XS, OpSize32;
1937 def LZCNT64rr : RI<0xBD, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1938 "lzcnt{q}\t{$src, $dst|$dst, $src}",
1939 [(set GR64:$dst, (ctlz GR64:$src)), (implicit EFLAGS)]>,
1941 def LZCNT64rm : RI<0xBD, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1942 "lzcnt{q}\t{$src, $dst|$dst, $src}",
1943 [(set GR64:$dst, (ctlz (loadi64 addr:$src))),
1944 (implicit EFLAGS)]>, XS;
1947 //===----------------------------------------------------------------------===//
1950 let Predicates = [HasBMI], Defs = [EFLAGS] in {
1951 def TZCNT16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1952 "tzcnt{w}\t{$src, $dst|$dst, $src}",
1953 [(set GR16:$dst, (cttz GR16:$src)), (implicit EFLAGS)]>, XS,
1955 def TZCNT16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1956 "tzcnt{w}\t{$src, $dst|$dst, $src}",
1957 [(set GR16:$dst, (cttz (loadi16 addr:$src))),
1958 (implicit EFLAGS)]>, XS, OpSize16;
1960 def TZCNT32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1961 "tzcnt{l}\t{$src, $dst|$dst, $src}",
1962 [(set GR32:$dst, (cttz GR32:$src)), (implicit EFLAGS)]>, XS,
1964 def TZCNT32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1965 "tzcnt{l}\t{$src, $dst|$dst, $src}",
1966 [(set GR32:$dst, (cttz (loadi32 addr:$src))),
1967 (implicit EFLAGS)]>, XS, OpSize32;
1969 def TZCNT64rr : RI<0xBC, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1970 "tzcnt{q}\t{$src, $dst|$dst, $src}",
1971 [(set GR64:$dst, (cttz GR64:$src)), (implicit EFLAGS)]>,
1973 def TZCNT64rm : RI<0xBC, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1974 "tzcnt{q}\t{$src, $dst|$dst, $src}",
1975 [(set GR64:$dst, (cttz (loadi64 addr:$src))),
1976 (implicit EFLAGS)]>, XS;
1979 multiclass bmi_bls<string mnemonic, Format RegMRM, Format MemMRM,
1980 RegisterClass RC, X86MemOperand x86memop> {
1981 let hasSideEffects = 0 in {
1982 def rr : I<0xF3, RegMRM, (outs RC:$dst), (ins RC:$src),
1983 !strconcat(mnemonic, "\t{$src, $dst|$dst, $src}"),
1986 def rm : I<0xF3, MemMRM, (outs RC:$dst), (ins x86memop:$src),
1987 !strconcat(mnemonic, "\t{$src, $dst|$dst, $src}"),
1992 let Predicates = [HasBMI], Defs = [EFLAGS] in {
1993 defm BLSR32 : bmi_bls<"blsr{l}", MRM1r, MRM1m, GR32, i32mem>;
1994 defm BLSR64 : bmi_bls<"blsr{q}", MRM1r, MRM1m, GR64, i64mem>, VEX_W;
1995 defm BLSMSK32 : bmi_bls<"blsmsk{l}", MRM2r, MRM2m, GR32, i32mem>;
1996 defm BLSMSK64 : bmi_bls<"blsmsk{q}", MRM2r, MRM2m, GR64, i64mem>, VEX_W;
1997 defm BLSI32 : bmi_bls<"blsi{l}", MRM3r, MRM3m, GR32, i32mem>;
1998 defm BLSI64 : bmi_bls<"blsi{q}", MRM3r, MRM3m, GR64, i64mem>, VEX_W;
2001 //===----------------------------------------------------------------------===//
2002 // Pattern fragments to auto generate BMI instructions.
2003 //===----------------------------------------------------------------------===//
2005 let Predicates = [HasBMI] in {
2006 // FIXME: patterns for the load versions are not implemented
2007 def : Pat<(and GR32:$src, (add GR32:$src, -1)),
2008 (BLSR32rr GR32:$src)>;
2009 def : Pat<(and GR64:$src, (add GR64:$src, -1)),
2010 (BLSR64rr GR64:$src)>;
2012 def : Pat<(xor GR32:$src, (add GR32:$src, -1)),
2013 (BLSMSK32rr GR32:$src)>;
2014 def : Pat<(xor GR64:$src, (add GR64:$src, -1)),
2015 (BLSMSK64rr GR64:$src)>;
2017 def : Pat<(and GR32:$src, (ineg GR32:$src)),
2018 (BLSI32rr GR32:$src)>;
2019 def : Pat<(and GR64:$src, (ineg GR64:$src)),
2020 (BLSI64rr GR64:$src)>;
2023 multiclass bmi_bextr_bzhi<bits<8> opc, string mnemonic, RegisterClass RC,
2024 X86MemOperand x86memop, Intrinsic Int,
2026 def rr : I<opc, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, RC:$src2),
2027 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
2028 [(set RC:$dst, (Int RC:$src1, RC:$src2)), (implicit EFLAGS)]>,
2030 def rm : I<opc, MRMSrcMem, (outs RC:$dst), (ins x86memop:$src1, RC:$src2),
2031 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
2032 [(set RC:$dst, (Int (ld_frag addr:$src1), RC:$src2)),
2033 (implicit EFLAGS)]>, T8, VEX_4VOp3;
2036 let Predicates = [HasBMI], Defs = [EFLAGS] in {
2037 defm BEXTR32 : bmi_bextr_bzhi<0xF7, "bextr{l}", GR32, i32mem,
2038 int_x86_bmi_bextr_32, loadi32>;
2039 defm BEXTR64 : bmi_bextr_bzhi<0xF7, "bextr{q}", GR64, i64mem,
2040 int_x86_bmi_bextr_64, loadi64>, VEX_W;
2043 let Predicates = [HasBMI2], Defs = [EFLAGS] in {
2044 defm BZHI32 : bmi_bextr_bzhi<0xF5, "bzhi{l}", GR32, i32mem,
2045 int_x86_bmi_bzhi_32, loadi32>;
2046 defm BZHI64 : bmi_bextr_bzhi<0xF5, "bzhi{q}", GR64, i64mem,
2047 int_x86_bmi_bzhi_64, loadi64>, VEX_W;
2050 def : Pat<(X86bzhi GR32:$src1, GR8:$src2),
2051 (BZHI32rr GR32:$src1,
2052 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR8:$src2, sub_8bit))>;
2053 def : Pat<(X86bzhi (loadi32 addr:$src1), GR8:$src2),
2054 (BZHI32rm addr:$src1,
2055 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR8:$src2, sub_8bit))>;
2056 def : Pat<(X86bzhi GR64:$src1, GR8:$src2),
2057 (BZHI64rr GR64:$src1,
2058 (INSERT_SUBREG (i64 (IMPLICIT_DEF)), GR8:$src2, sub_8bit))>;
2059 def : Pat<(X86bzhi (loadi64 addr:$src1), GR8:$src2),
2060 (BZHI64rm addr:$src1,
2061 (INSERT_SUBREG (i64 (IMPLICIT_DEF)), GR8:$src2, sub_8bit))>;
2063 let Predicates = [HasBMI] in {
2064 def : Pat<(X86bextr GR32:$src1, GR32:$src2),
2065 (BEXTR32rr GR32:$src1, GR32:$src2)>;
2066 def : Pat<(X86bextr (loadi32 addr:$src1), GR32:$src2),
2067 (BEXTR32rm addr:$src1, GR32:$src2)>;
2068 def : Pat<(X86bextr GR64:$src1, GR64:$src2),
2069 (BEXTR64rr GR64:$src1, GR64:$src2)>;
2070 def : Pat<(X86bextr (loadi64 addr:$src1), GR64:$src2),
2071 (BEXTR64rm addr:$src1, GR64:$src2)>;
2074 multiclass bmi_pdep_pext<string mnemonic, RegisterClass RC,
2075 X86MemOperand x86memop, Intrinsic Int,
2077 def rr : I<0xF5, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, RC:$src2),
2078 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
2079 [(set RC:$dst, (Int RC:$src1, RC:$src2))]>,
2081 def rm : I<0xF5, MRMSrcMem, (outs RC:$dst), (ins RC:$src1, x86memop:$src2),
2082 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
2083 [(set RC:$dst, (Int RC:$src1, (ld_frag addr:$src2)))]>, VEX_4V;
2086 let Predicates = [HasBMI2] in {
2087 defm PDEP32 : bmi_pdep_pext<"pdep{l}", GR32, i32mem,
2088 int_x86_bmi_pdep_32, loadi32>, T8XD;
2089 defm PDEP64 : bmi_pdep_pext<"pdep{q}", GR64, i64mem,
2090 int_x86_bmi_pdep_64, loadi64>, T8XD, VEX_W;
2091 defm PEXT32 : bmi_pdep_pext<"pext{l}", GR32, i32mem,
2092 int_x86_bmi_pext_32, loadi32>, T8XS;
2093 defm PEXT64 : bmi_pdep_pext<"pext{q}", GR64, i64mem,
2094 int_x86_bmi_pext_64, loadi64>, T8XS, VEX_W;
2097 //===----------------------------------------------------------------------===//
2100 let Predicates = [HasTBM], Defs = [EFLAGS] in {
2102 multiclass tbm_ternary_imm_intr<bits<8> opc, RegisterClass RC, string OpcodeStr,
2103 X86MemOperand x86memop, PatFrag ld_frag,
2104 Intrinsic Int, Operand immtype,
2105 SDPatternOperator immoperator> {
2106 def ri : Ii32<opc, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, immtype:$cntl),
2107 !strconcat(OpcodeStr,
2108 "\t{$cntl, $src1, $dst|$dst, $src1, $cntl}"),
2109 [(set RC:$dst, (Int RC:$src1, immoperator:$cntl))]>,
2111 def mi : Ii32<opc, MRMSrcMem, (outs RC:$dst),
2112 (ins x86memop:$src1, immtype:$cntl),
2113 !strconcat(OpcodeStr,
2114 "\t{$cntl, $src1, $dst|$dst, $src1, $cntl}"),
2115 [(set RC:$dst, (Int (ld_frag addr:$src1), immoperator:$cntl))]>,
2119 defm BEXTRI32 : tbm_ternary_imm_intr<0x10, GR32, "bextr", i32mem, loadi32,
2120 int_x86_tbm_bextri_u32, i32imm, imm>;
2121 let ImmT = Imm32S in
2122 defm BEXTRI64 : tbm_ternary_imm_intr<0x10, GR64, "bextr", i64mem, loadi64,
2123 int_x86_tbm_bextri_u64, i64i32imm,
2124 i64immSExt32>, VEX_W;
2126 multiclass tbm_binary_rm<bits<8> opc, Format FormReg, Format FormMem,
2127 RegisterClass RC, string OpcodeStr,
2128 X86MemOperand x86memop, PatFrag ld_frag> {
2129 let hasSideEffects = 0 in {
2130 def rr : I<opc, FormReg, (outs RC:$dst), (ins RC:$src),
2131 !strconcat(OpcodeStr,"\t{$src, $dst|$dst, $src}"),
2134 def rm : I<opc, FormMem, (outs RC:$dst), (ins x86memop:$src),
2135 !strconcat(OpcodeStr,"\t{$src, $dst|$dst, $src}"),
2140 multiclass tbm_binary_intr<bits<8> opc, string OpcodeStr,
2141 Format FormReg, Format FormMem> {
2142 defm NAME#32 : tbm_binary_rm<opc, FormReg, FormMem, GR32, OpcodeStr, i32mem,
2144 defm NAME#64 : tbm_binary_rm<opc, FormReg, FormMem, GR64, OpcodeStr, i64mem,
2148 defm BLCFILL : tbm_binary_intr<0x01, "blcfill", MRM1r, MRM1m>;
2149 defm BLCI : tbm_binary_intr<0x02, "blci", MRM6r, MRM6m>;
2150 defm BLCIC : tbm_binary_intr<0x01, "blcic", MRM5r, MRM5m>;
2151 defm BLCMSK : tbm_binary_intr<0x02, "blcmsk", MRM1r, MRM1m>;
2152 defm BLCS : tbm_binary_intr<0x01, "blcs", MRM3r, MRM3m>;
2153 defm BLSFILL : tbm_binary_intr<0x01, "blsfill", MRM2r, MRM2m>;
2154 defm BLSIC : tbm_binary_intr<0x01, "blsic", MRM6r, MRM6m>;
2155 defm T1MSKC : tbm_binary_intr<0x01, "t1mskc", MRM7r, MRM7m>;
2156 defm TZMSK : tbm_binary_intr<0x01, "tzmsk", MRM4r, MRM4m>;
2159 //===----------------------------------------------------------------------===//
2160 // Pattern fragments to auto generate TBM instructions.
2161 //===----------------------------------------------------------------------===//
2163 let Predicates = [HasTBM] in {
2164 def : Pat<(X86bextr GR32:$src1, (i32 imm:$src2)),
2165 (BEXTRI32ri GR32:$src1, imm:$src2)>;
2166 def : Pat<(X86bextr (loadi32 addr:$src1), (i32 imm:$src2)),
2167 (BEXTRI32mi addr:$src1, imm:$src2)>;
2168 def : Pat<(X86bextr GR64:$src1, i64immSExt32:$src2),
2169 (BEXTRI64ri GR64:$src1, i64immSExt32:$src2)>;
2170 def : Pat<(X86bextr (loadi64 addr:$src1), i64immSExt32:$src2),
2171 (BEXTRI64mi addr:$src1, i64immSExt32:$src2)>;
2173 // FIXME: patterns for the load versions are not implemented
2174 def : Pat<(and GR32:$src, (add GR32:$src, 1)),
2175 (BLCFILL32rr GR32:$src)>;
2176 def : Pat<(and GR64:$src, (add GR64:$src, 1)),
2177 (BLCFILL64rr GR64:$src)>;
2179 def : Pat<(or GR32:$src, (not (add GR32:$src, 1))),
2180 (BLCI32rr GR32:$src)>;
2181 def : Pat<(or GR64:$src, (not (add GR64:$src, 1))),
2182 (BLCI64rr GR64:$src)>;
2184 // Extra patterns because opt can optimize the above patterns to this.
2185 def : Pat<(or GR32:$src, (sub -2, GR32:$src)),
2186 (BLCI32rr GR32:$src)>;
2187 def : Pat<(or GR64:$src, (sub -2, GR64:$src)),
2188 (BLCI64rr GR64:$src)>;
2190 def : Pat<(and (not GR32:$src), (add GR32:$src, 1)),
2191 (BLCIC32rr GR32:$src)>;
2192 def : Pat<(and (not GR64:$src), (add GR64:$src, 1)),
2193 (BLCIC64rr GR64:$src)>;
2195 def : Pat<(xor GR32:$src, (add GR32:$src, 1)),
2196 (BLCMSK32rr GR32:$src)>;
2197 def : Pat<(xor GR64:$src, (add GR64:$src, 1)),
2198 (BLCMSK64rr GR64:$src)>;
2200 def : Pat<(or GR32:$src, (add GR32:$src, 1)),
2201 (BLCS32rr GR32:$src)>;
2202 def : Pat<(or GR64:$src, (add GR64:$src, 1)),
2203 (BLCS64rr GR64:$src)>;
2205 def : Pat<(or GR32:$src, (add GR32:$src, -1)),
2206 (BLSFILL32rr GR32:$src)>;
2207 def : Pat<(or GR64:$src, (add GR64:$src, -1)),
2208 (BLSFILL64rr GR64:$src)>;
2210 def : Pat<(or (not GR32:$src), (add GR32:$src, -1)),
2211 (BLSIC32rr GR32:$src)>;
2212 def : Pat<(or (not GR64:$src), (add GR64:$src, -1)),
2213 (BLSIC64rr GR64:$src)>;
2215 def : Pat<(or (not GR32:$src), (add GR32:$src, 1)),
2216 (T1MSKC32rr GR32:$src)>;
2217 def : Pat<(or (not GR64:$src), (add GR64:$src, 1)),
2218 (T1MSKC64rr GR64:$src)>;
2220 def : Pat<(and (not GR32:$src), (add GR32:$src, -1)),
2221 (TZMSK32rr GR32:$src)>;
2222 def : Pat<(and (not GR64:$src), (add GR64:$src, -1)),
2223 (TZMSK64rr GR64:$src)>;
2226 //===----------------------------------------------------------------------===//
2228 //===----------------------------------------------------------------------===//
2230 include "X86InstrArithmetic.td"
2231 include "X86InstrCMovSetCC.td"
2232 include "X86InstrExtension.td"
2233 include "X86InstrControl.td"
2234 include "X86InstrShiftRotate.td"
2236 // X87 Floating Point Stack.
2237 include "X86InstrFPStack.td"
2239 // SIMD support (SSE, MMX and AVX)
2240 include "X86InstrFragmentsSIMD.td"
2242 // FMA - Fused Multiply-Add support (requires FMA)
2243 include "X86InstrFMA.td"
2246 include "X86InstrXOP.td"
2248 // SSE, MMX and 3DNow! vector support.
2249 include "X86InstrSSE.td"
2250 include "X86InstrAVX512.td"
2251 include "X86InstrMMX.td"
2252 include "X86Instr3DNow.td"
2254 include "X86InstrVMX.td"
2255 include "X86InstrSVM.td"
2257 include "X86InstrTSX.td"
2259 // System instructions.
2260 include "X86InstrSystem.td"
2262 // Compiler Pseudo Instructions and Pat Patterns
2263 include "X86InstrCompiler.td"
2265 //===----------------------------------------------------------------------===//
2266 // Assembler Mnemonic Aliases
2267 //===----------------------------------------------------------------------===//
2269 def : MnemonicAlias<"call", "callw", "att">, Requires<[In16BitMode]>;
2270 def : MnemonicAlias<"call", "calll", "att">, Requires<[In32BitMode]>;
2271 def : MnemonicAlias<"call", "callq", "att">, Requires<[In64BitMode]>;
2273 def : MnemonicAlias<"cbw", "cbtw", "att">;
2274 def : MnemonicAlias<"cwde", "cwtl", "att">;
2275 def : MnemonicAlias<"cwd", "cwtd", "att">;
2276 def : MnemonicAlias<"cdq", "cltd", "att">;
2277 def : MnemonicAlias<"cdqe", "cltq", "att">;
2278 def : MnemonicAlias<"cqo", "cqto", "att">;
2280 // In 64-bit mode lret maps to lretl; it is not ambiguous with lretq.
2281 def : MnemonicAlias<"lret", "lretw", "att">, Requires<[In16BitMode]>;
2282 def : MnemonicAlias<"lret", "lretl", "att">, Requires<[Not16BitMode]>;
2284 def : MnemonicAlias<"leavel", "leave", "att">, Requires<[Not64BitMode]>;
2285 def : MnemonicAlias<"leaveq", "leave", "att">, Requires<[In64BitMode]>;
2287 def : MnemonicAlias<"loopz", "loope", "att">;
2288 def : MnemonicAlias<"loopnz", "loopne", "att">;
2290 def : MnemonicAlias<"pop", "popw", "att">, Requires<[In16BitMode]>;
2291 def : MnemonicAlias<"pop", "popl", "att">, Requires<[In32BitMode]>;
2292 def : MnemonicAlias<"pop", "popq", "att">, Requires<[In64BitMode]>;
2293 def : MnemonicAlias<"popf", "popfw", "att">, Requires<[In16BitMode]>;
2294 def : MnemonicAlias<"popf", "popfl", "att">, Requires<[In32BitMode]>;
2295 def : MnemonicAlias<"popf", "popfq", "att">, Requires<[In64BitMode]>;
2296 def : MnemonicAlias<"popfd", "popfl", "att">;
2298 // FIXME: This is wrong for "push reg". "push %bx" should turn into pushw in
2299 // all modes. However: "push (addr)" and "push $42" should default to
2300 // pushl/pushq depending on the current mode. Similar for "pop %bx"
2301 def : MnemonicAlias<"push", "pushw", "att">, Requires<[In16BitMode]>;
2302 def : MnemonicAlias<"push", "pushl", "att">, Requires<[In32BitMode]>;
2303 def : MnemonicAlias<"push", "pushq", "att">, Requires<[In64BitMode]>;
2304 def : MnemonicAlias<"pushf", "pushfw", "att">, Requires<[In16BitMode]>;
2305 def : MnemonicAlias<"pushf", "pushfl", "att">, Requires<[In32BitMode]>;
2306 def : MnemonicAlias<"pushf", "pushfq", "att">, Requires<[In64BitMode]>;
2307 def : MnemonicAlias<"pushfd", "pushfl", "att">;
2309 def : MnemonicAlias<"popad", "popal", "intel">, Requires<[Not64BitMode]>;
2310 def : MnemonicAlias<"pushad", "pushal", "intel">, Requires<[Not64BitMode]>;
2311 def : MnemonicAlias<"popa", "popaw", "intel">, Requires<[In16BitMode]>;
2312 def : MnemonicAlias<"pusha", "pushaw", "intel">, Requires<[In16BitMode]>;
2313 def : MnemonicAlias<"popa", "popal", "intel">, Requires<[In32BitMode]>;
2314 def : MnemonicAlias<"pusha", "pushal", "intel">, Requires<[In32BitMode]>;
2316 def : MnemonicAlias<"popa", "popaw", "att">, Requires<[In16BitMode]>;
2317 def : MnemonicAlias<"pusha", "pushaw", "att">, Requires<[In16BitMode]>;
2318 def : MnemonicAlias<"popa", "popal", "att">, Requires<[In32BitMode]>;
2319 def : MnemonicAlias<"pusha", "pushal", "att">, Requires<[In32BitMode]>;
2321 def : MnemonicAlias<"repe", "rep", "att">;
2322 def : MnemonicAlias<"repz", "rep", "att">;
2323 def : MnemonicAlias<"repnz", "repne", "att">;
2325 def : MnemonicAlias<"ret", "retw", "att">, Requires<[In16BitMode]>;
2326 def : MnemonicAlias<"ret", "retl", "att">, Requires<[In32BitMode]>;
2327 def : MnemonicAlias<"ret", "retq", "att">, Requires<[In64BitMode]>;
2329 def : MnemonicAlias<"salb", "shlb", "att">;
2330 def : MnemonicAlias<"salw", "shlw", "att">;
2331 def : MnemonicAlias<"sall", "shll", "att">;
2332 def : MnemonicAlias<"salq", "shlq", "att">;
2334 def : MnemonicAlias<"smovb", "movsb", "att">;
2335 def : MnemonicAlias<"smovw", "movsw", "att">;
2336 def : MnemonicAlias<"smovl", "movsl", "att">;
2337 def : MnemonicAlias<"smovq", "movsq", "att">;
2339 def : MnemonicAlias<"ud2a", "ud2", "att">;
2340 def : MnemonicAlias<"verrw", "verr", "att">;
2342 // System instruction aliases.
2343 def : MnemonicAlias<"iret", "iretw", "att">, Requires<[In16BitMode]>;
2344 def : MnemonicAlias<"iret", "iretl", "att">, Requires<[Not16BitMode]>;
2345 def : MnemonicAlias<"sysret", "sysretl", "att">;
2346 def : MnemonicAlias<"sysexit", "sysexitl", "att">;
2348 def : MnemonicAlias<"lgdt", "lgdtw", "att">, Requires<[In16BitMode]>;
2349 def : MnemonicAlias<"lgdt", "lgdtl", "att">, Requires<[In32BitMode]>;
2350 def : MnemonicAlias<"lgdt", "lgdtq", "att">, Requires<[In64BitMode]>;
2351 def : MnemonicAlias<"lidt", "lidtw", "att">, Requires<[In16BitMode]>;
2352 def : MnemonicAlias<"lidt", "lidtl", "att">, Requires<[In32BitMode]>;
2353 def : MnemonicAlias<"lidt", "lidtq", "att">, Requires<[In64BitMode]>;
2354 def : MnemonicAlias<"sgdt", "sgdtw", "att">, Requires<[In16BitMode]>;
2355 def : MnemonicAlias<"sgdt", "sgdtl", "att">, Requires<[In32BitMode]>;
2356 def : MnemonicAlias<"sgdt", "sgdtq", "att">, Requires<[In64BitMode]>;
2357 def : MnemonicAlias<"sidt", "sidtw", "att">, Requires<[In16BitMode]>;
2358 def : MnemonicAlias<"sidt", "sidtl", "att">, Requires<[In32BitMode]>;
2359 def : MnemonicAlias<"sidt", "sidtq", "att">, Requires<[In64BitMode]>;
2362 // Floating point stack aliases.
2363 def : MnemonicAlias<"fcmovz", "fcmove", "att">;
2364 def : MnemonicAlias<"fcmova", "fcmovnbe", "att">;
2365 def : MnemonicAlias<"fcmovnae", "fcmovb", "att">;
2366 def : MnemonicAlias<"fcmovna", "fcmovbe", "att">;
2367 def : MnemonicAlias<"fcmovae", "fcmovnb", "att">;
2368 def : MnemonicAlias<"fcomip", "fcompi", "att">;
2369 def : MnemonicAlias<"fildq", "fildll", "att">;
2370 def : MnemonicAlias<"fistpq", "fistpll", "att">;
2371 def : MnemonicAlias<"fisttpq", "fisttpll", "att">;
2372 def : MnemonicAlias<"fldcww", "fldcw", "att">;
2373 def : MnemonicAlias<"fnstcww", "fnstcw", "att">;
2374 def : MnemonicAlias<"fnstsww", "fnstsw", "att">;
2375 def : MnemonicAlias<"fucomip", "fucompi", "att">;
2376 def : MnemonicAlias<"fwait", "wait", "att">;
2379 class CondCodeAlias<string Prefix,string Suffix, string OldCond, string NewCond,
2381 : MnemonicAlias<!strconcat(Prefix, OldCond, Suffix),
2382 !strconcat(Prefix, NewCond, Suffix), VariantName>;
2384 /// IntegerCondCodeMnemonicAlias - This multiclass defines a bunch of
2385 /// MnemonicAlias's that canonicalize the condition code in a mnemonic, for
2386 /// example "setz" -> "sete".
2387 multiclass IntegerCondCodeMnemonicAlias<string Prefix, string Suffix,
2389 def C : CondCodeAlias<Prefix, Suffix, "c", "b", V>; // setc -> setb
2390 def Z : CondCodeAlias<Prefix, Suffix, "z" , "e", V>; // setz -> sete
2391 def NA : CondCodeAlias<Prefix, Suffix, "na", "be", V>; // setna -> setbe
2392 def NB : CondCodeAlias<Prefix, Suffix, "nb", "ae", V>; // setnb -> setae
2393 def NC : CondCodeAlias<Prefix, Suffix, "nc", "ae", V>; // setnc -> setae
2394 def NG : CondCodeAlias<Prefix, Suffix, "ng", "le", V>; // setng -> setle
2395 def NL : CondCodeAlias<Prefix, Suffix, "nl", "ge", V>; // setnl -> setge
2396 def NZ : CondCodeAlias<Prefix, Suffix, "nz", "ne", V>; // setnz -> setne
2397 def PE : CondCodeAlias<Prefix, Suffix, "pe", "p", V>; // setpe -> setp
2398 def PO : CondCodeAlias<Prefix, Suffix, "po", "np", V>; // setpo -> setnp
2400 def NAE : CondCodeAlias<Prefix, Suffix, "nae", "b", V>; // setnae -> setb
2401 def NBE : CondCodeAlias<Prefix, Suffix, "nbe", "a", V>; // setnbe -> seta
2402 def NGE : CondCodeAlias<Prefix, Suffix, "nge", "l", V>; // setnge -> setl
2403 def NLE : CondCodeAlias<Prefix, Suffix, "nle", "g", V>; // setnle -> setg
2406 // Aliases for set<CC>
2407 defm : IntegerCondCodeMnemonicAlias<"set", "">;
2408 // Aliases for j<CC>
2409 defm : IntegerCondCodeMnemonicAlias<"j", "">;
2410 // Aliases for cmov<CC>{w,l,q}
2411 defm : IntegerCondCodeMnemonicAlias<"cmov", "w", "att">;
2412 defm : IntegerCondCodeMnemonicAlias<"cmov", "l", "att">;
2413 defm : IntegerCondCodeMnemonicAlias<"cmov", "q", "att">;
2414 // No size suffix for intel-style asm.
2415 defm : IntegerCondCodeMnemonicAlias<"cmov", "", "intel">;
2418 //===----------------------------------------------------------------------===//
2419 // Assembler Instruction Aliases
2420 //===----------------------------------------------------------------------===//
2422 // aad/aam default to base 10 if no operand is specified.
2423 def : InstAlias<"aad", (AAD8i8 10)>;
2424 def : InstAlias<"aam", (AAM8i8 10)>;
2426 // Disambiguate the mem/imm form of bt-without-a-suffix as btl.
2427 // Likewise for btc/btr/bts.
2428 def : InstAlias<"bt {$imm, $mem|$mem, $imm}",
2429 (BT32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
2430 def : InstAlias<"btc {$imm, $mem|$mem, $imm}",
2431 (BTC32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
2432 def : InstAlias<"btr {$imm, $mem|$mem, $imm}",
2433 (BTR32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
2434 def : InstAlias<"bts {$imm, $mem|$mem, $imm}",
2435 (BTS32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
2438 def : InstAlias<"clrb $reg", (XOR8rr GR8 :$reg, GR8 :$reg), 0>;
2439 def : InstAlias<"clrw $reg", (XOR16rr GR16:$reg, GR16:$reg), 0>;
2440 def : InstAlias<"clrl $reg", (XOR32rr GR32:$reg, GR32:$reg), 0>;
2441 def : InstAlias<"clrq $reg", (XOR64rr GR64:$reg, GR64:$reg), 0>;
2443 // lods aliases. Accept the destination being omitted because it's implicit
2444 // in the mnemonic, or the mnemonic suffix being omitted because it's implicit
2445 // in the destination.
2446 def : InstAlias<"lodsb $src", (LODSB srcidx8:$src), 0>;
2447 def : InstAlias<"lodsw $src", (LODSW srcidx16:$src), 0>;
2448 def : InstAlias<"lods{l|d} $src", (LODSL srcidx32:$src), 0>;
2449 def : InstAlias<"lodsq $src", (LODSQ srcidx64:$src), 0>, Requires<[In64BitMode]>;
2450 def : InstAlias<"lods {$src, %al|al, $src}", (LODSB srcidx8:$src), 0>;
2451 def : InstAlias<"lods {$src, %ax|ax, $src}", (LODSW srcidx16:$src), 0>;
2452 def : InstAlias<"lods {$src, %eax|eax, $src}", (LODSL srcidx32:$src), 0>;
2453 def : InstAlias<"lods {$src, %rax|rax, $src}", (LODSQ srcidx64:$src), 0>, Requires<[In64BitMode]>;
2455 // stos aliases. Accept the source being omitted because it's implicit in
2456 // the mnemonic, or the mnemonic suffix being omitted because it's implicit
2458 def : InstAlias<"stosb $dst", (STOSB dstidx8:$dst), 0>;
2459 def : InstAlias<"stosw $dst", (STOSW dstidx16:$dst), 0>;
2460 def : InstAlias<"stos{l|d} $dst", (STOSL dstidx32:$dst), 0>;
2461 def : InstAlias<"stosq $dst", (STOSQ dstidx64:$dst), 0>, Requires<[In64BitMode]>;
2462 def : InstAlias<"stos {%al, $dst|$dst, al}", (STOSB dstidx8:$dst), 0>;
2463 def : InstAlias<"stos {%ax, $dst|$dst, ax}", (STOSW dstidx16:$dst), 0>;
2464 def : InstAlias<"stos {%eax, $dst|$dst, eax}", (STOSL dstidx32:$dst), 0>;
2465 def : InstAlias<"stos {%rax, $dst|$dst, rax}", (STOSQ dstidx64:$dst), 0>, Requires<[In64BitMode]>;
2467 // scas aliases. Accept the destination being omitted because it's implicit
2468 // in the mnemonic, or the mnemonic suffix being omitted because it's implicit
2469 // in the destination.
2470 def : InstAlias<"scasb $dst", (SCAS8 dstidx8:$dst), 0>;
2471 def : InstAlias<"scasw $dst", (SCAS16 dstidx16:$dst), 0>;
2472 def : InstAlias<"scas{l|d} $dst", (SCAS32 dstidx32:$dst), 0>;
2473 def : InstAlias<"scasq $dst", (SCAS64 dstidx64:$dst), 0>, Requires<[In64BitMode]>;
2474 def : InstAlias<"scas {$dst, %al|al, $dst}", (SCAS8 dstidx8:$dst), 0>;
2475 def : InstAlias<"scas {$dst, %ax|ax, $dst}", (SCAS16 dstidx16:$dst), 0>;
2476 def : InstAlias<"scas {$dst, %eax|eax, $dst}", (SCAS32 dstidx32:$dst), 0>;
2477 def : InstAlias<"scas {$dst, %rax|rax, $dst}", (SCAS64 dstidx64:$dst), 0>, Requires<[In64BitMode]>;
2479 // div and idiv aliases for explicit A register.
2480 def : InstAlias<"div{b}\t{$src, %al|al, $src}", (DIV8r GR8 :$src)>;
2481 def : InstAlias<"div{w}\t{$src, %ax|ax, $src}", (DIV16r GR16:$src)>;
2482 def : InstAlias<"div{l}\t{$src, %eax|eax, $src}", (DIV32r GR32:$src)>;
2483 def : InstAlias<"div{q}\t{$src, %rax|rax, $src}", (DIV64r GR64:$src)>;
2484 def : InstAlias<"div{b}\t{$src, %al|al, $src}", (DIV8m i8mem :$src)>;
2485 def : InstAlias<"div{w}\t{$src, %ax|ax, $src}", (DIV16m i16mem:$src)>;
2486 def : InstAlias<"div{l}\t{$src, %eax|eax, $src}", (DIV32m i32mem:$src)>;
2487 def : InstAlias<"div{q}\t{$src, %rax|rax, $src}", (DIV64m i64mem:$src)>;
2488 def : InstAlias<"idiv{b}\t{$src, %al|al, $src}", (IDIV8r GR8 :$src)>;
2489 def : InstAlias<"idiv{w}\t{$src, %ax|ax, $src}", (IDIV16r GR16:$src)>;
2490 def : InstAlias<"idiv{l}\t{$src, %eax|eax, $src}", (IDIV32r GR32:$src)>;
2491 def : InstAlias<"idiv{q}\t{$src, %rax|rax, $src}", (IDIV64r GR64:$src)>;
2492 def : InstAlias<"idiv{b}\t{$src, %al|al, $src}", (IDIV8m i8mem :$src)>;
2493 def : InstAlias<"idiv{w}\t{$src, %ax|ax, $src}", (IDIV16m i16mem:$src)>;
2494 def : InstAlias<"idiv{l}\t{$src, %eax|eax, $src}", (IDIV32m i32mem:$src)>;
2495 def : InstAlias<"idiv{q}\t{$src, %rax|rax, $src}", (IDIV64m i64mem:$src)>;
2499 // Various unary fpstack operations default to operating on on ST1.
2500 // For example, "fxch" -> "fxch %st(1)"
2501 def : InstAlias<"faddp", (ADD_FPrST0 ST1), 0>;
2502 def : InstAlias<"fsub{|r}p", (SUBR_FPrST0 ST1), 0>;
2503 def : InstAlias<"fsub{r|}p", (SUB_FPrST0 ST1), 0>;
2504 def : InstAlias<"fmulp", (MUL_FPrST0 ST1), 0>;
2505 def : InstAlias<"fdiv{|r}p", (DIVR_FPrST0 ST1), 0>;
2506 def : InstAlias<"fdiv{r|}p", (DIV_FPrST0 ST1), 0>;
2507 def : InstAlias<"fxch", (XCH_F ST1), 0>;
2508 def : InstAlias<"fcom", (COM_FST0r ST1), 0>;
2509 def : InstAlias<"fcomp", (COMP_FST0r ST1), 0>;
2510 def : InstAlias<"fcomi", (COM_FIr ST1), 0>;
2511 def : InstAlias<"fcompi", (COM_FIPr ST1), 0>;
2512 def : InstAlias<"fucom", (UCOM_Fr ST1), 0>;
2513 def : InstAlias<"fucomp", (UCOM_FPr ST1), 0>;
2514 def : InstAlias<"fucomi", (UCOM_FIr ST1), 0>;
2515 def : InstAlias<"fucompi", (UCOM_FIPr ST1), 0>;
2517 // Handle fmul/fadd/fsub/fdiv instructions with explicitly written st(0) op.
2518 // For example, "fadd %st(4), %st(0)" -> "fadd %st(4)". We also disambiguate
2519 // instructions like "fadd %st(0), %st(0)" as "fadd %st(0)" for consistency with
2521 multiclass FpUnaryAlias<string Mnemonic, Instruction Inst, bit EmitAlias = 1> {
2522 def : InstAlias<!strconcat(Mnemonic, "\t{$op, %st(0)|st(0), $op}"),
2523 (Inst RST:$op), EmitAlias>;
2524 def : InstAlias<!strconcat(Mnemonic, "\t{%st(0), %st(0)|st(0), st(0)}"),
2525 (Inst ST0), EmitAlias>;
2528 defm : FpUnaryAlias<"fadd", ADD_FST0r>;
2529 defm : FpUnaryAlias<"faddp", ADD_FPrST0, 0>;
2530 defm : FpUnaryAlias<"fsub", SUB_FST0r>;
2531 defm : FpUnaryAlias<"fsub{|r}p", SUBR_FPrST0>;
2532 defm : FpUnaryAlias<"fsubr", SUBR_FST0r>;
2533 defm : FpUnaryAlias<"fsub{r|}p", SUB_FPrST0>;
2534 defm : FpUnaryAlias<"fmul", MUL_FST0r>;
2535 defm : FpUnaryAlias<"fmulp", MUL_FPrST0>;
2536 defm : FpUnaryAlias<"fdiv", DIV_FST0r>;
2537 defm : FpUnaryAlias<"fdiv{|r}p", DIVR_FPrST0>;
2538 defm : FpUnaryAlias<"fdivr", DIVR_FST0r>;
2539 defm : FpUnaryAlias<"fdiv{r|}p", DIV_FPrST0>;
2540 defm : FpUnaryAlias<"fcomi", COM_FIr, 0>;
2541 defm : FpUnaryAlias<"fucomi", UCOM_FIr, 0>;
2542 defm : FpUnaryAlias<"fcompi", COM_FIPr>;
2543 defm : FpUnaryAlias<"fucompi", UCOM_FIPr>;
2546 // Handle "f{mulp,addp} st(0), $op" the same as "f{mulp,addp} $op", since they
2547 // commute. We also allow fdiv[r]p/fsubrp even though they don't commute,
2548 // solely because gas supports it.
2549 def : InstAlias<"faddp\t{%st(0), $op|$op, st(0)}", (ADD_FPrST0 RST:$op), 0>;
2550 def : InstAlias<"fmulp\t{%st(0), $op|$op, st(0)}", (MUL_FPrST0 RST:$op)>;
2551 def : InstAlias<"fsub{|r}p\t{%st(0), $op|$op, st(0)}", (SUBR_FPrST0 RST:$op)>;
2552 def : InstAlias<"fsub{r|}p\t{%st(0), $op|$op, st(0)}", (SUB_FPrST0 RST:$op)>;
2553 def : InstAlias<"fdiv{|r}p\t{%st(0), $op|$op, st(0)}", (DIVR_FPrST0 RST:$op)>;
2554 def : InstAlias<"fdiv{r|}p\t{%st(0), $op|$op, st(0)}", (DIV_FPrST0 RST:$op)>;
2556 // We accept "fnstsw %eax" even though it only writes %ax.
2557 def : InstAlias<"fnstsw\t{%eax|eax}", (FNSTSW16r)>;
2558 def : InstAlias<"fnstsw\t{%al|al}" , (FNSTSW16r)>;
2559 def : InstAlias<"fnstsw" , (FNSTSW16r)>;
2561 // lcall and ljmp aliases. This seems to be an odd mapping in 64-bit mode, but
2562 // this is compatible with what GAS does.
2563 def : InstAlias<"lcall $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg)>, Requires<[Not16BitMode]>;
2564 def : InstAlias<"ljmp $seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg)>, Requires<[Not16BitMode]>;
2565 def : InstAlias<"lcall *$dst", (FARCALL32m opaque48mem:$dst)>, Requires<[Not16BitMode]>;
2566 def : InstAlias<"ljmp *$dst", (FARJMP32m opaque48mem:$dst)>, Requires<[Not16BitMode]>;
2567 def : InstAlias<"lcall $seg, $off", (FARCALL16i i16imm:$off, i16imm:$seg)>, Requires<[In16BitMode]>;
2568 def : InstAlias<"ljmp $seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg)>, Requires<[In16BitMode]>;
2569 def : InstAlias<"lcall *$dst", (FARCALL16m opaque32mem:$dst)>, Requires<[In16BitMode]>;
2570 def : InstAlias<"ljmp *$dst", (FARJMP16m opaque32mem:$dst)>, Requires<[In16BitMode]>;
2572 def : InstAlias<"call *$dst", (CALL64m i16mem:$dst)>, Requires<[In64BitMode]>;
2573 def : InstAlias<"jmp *$dst", (JMP64m i16mem:$dst)>, Requires<[In64BitMode]>;
2574 def : InstAlias<"call *$dst", (CALL32m i16mem:$dst)>, Requires<[In32BitMode]>;
2575 def : InstAlias<"jmp *$dst", (JMP32m i16mem:$dst)>, Requires<[In32BitMode]>;
2576 def : InstAlias<"call *$dst", (CALL16m i16mem:$dst)>, Requires<[In16BitMode]>;
2577 def : InstAlias<"jmp *$dst", (JMP16m i16mem:$dst)>, Requires<[In16BitMode]>;
2580 // "imul <imm>, B" is an alias for "imul <imm>, B, B".
2581 def : InstAlias<"imulw $imm, $r", (IMUL16rri GR16:$r, GR16:$r, i16imm:$imm)>;
2582 def : InstAlias<"imulw $imm, $r", (IMUL16rri8 GR16:$r, GR16:$r, i16i8imm:$imm)>;
2583 def : InstAlias<"imull $imm, $r", (IMUL32rri GR32:$r, GR32:$r, i32imm:$imm)>;
2584 def : InstAlias<"imull $imm, $r", (IMUL32rri8 GR32:$r, GR32:$r, i32i8imm:$imm)>;
2585 def : InstAlias<"imulq $imm, $r",(IMUL64rri32 GR64:$r, GR64:$r,i64i32imm:$imm)>;
2586 def : InstAlias<"imulq $imm, $r", (IMUL64rri8 GR64:$r, GR64:$r, i64i8imm:$imm)>;
2588 // inb %dx -> inb %al, %dx
2589 def : InstAlias<"inb\t{%dx|dx}", (IN8rr), 0>;
2590 def : InstAlias<"inw\t{%dx|dx}", (IN16rr), 0>;
2591 def : InstAlias<"inl\t{%dx|dx}", (IN32rr), 0>;
2592 def : InstAlias<"inb\t$port", (IN8ri i8imm:$port), 0>;
2593 def : InstAlias<"inw\t$port", (IN16ri i8imm:$port), 0>;
2594 def : InstAlias<"inl\t$port", (IN32ri i8imm:$port), 0>;
2597 // jmp and call aliases for lcall and ljmp. jmp $42,$5 -> ljmp
2598 def : InstAlias<"call $seg, $off", (FARCALL16i i16imm:$off, i16imm:$seg)>, Requires<[In16BitMode]>;
2599 def : InstAlias<"jmp $seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg)>, Requires<[In16BitMode]>;
2600 def : InstAlias<"call $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg)>, Requires<[Not16BitMode]>;
2601 def : InstAlias<"jmp $seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg)>, Requires<[Not16BitMode]>;
2602 def : InstAlias<"callw $seg, $off", (FARCALL16i i16imm:$off, i16imm:$seg)>;
2603 def : InstAlias<"jmpw $seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg)>;
2604 def : InstAlias<"calll $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg)>;
2605 def : InstAlias<"jmpl $seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg)>;
2607 // Force mov without a suffix with a segment and mem to prefer the 'l' form of
2608 // the move. All segment/mem forms are equivalent, this has the shortest
2610 def : InstAlias<"mov $mem, $seg", (MOV32sm SEGMENT_REG:$seg, i32mem:$mem)>;
2611 def : InstAlias<"mov $seg, $mem", (MOV32ms i32mem:$mem, SEGMENT_REG:$seg)>;
2613 // Match 'movq <largeimm>, <reg>' as an alias for movabsq.
2614 def : InstAlias<"movq $imm, $reg", (MOV64ri GR64:$reg, i64imm:$imm)>;
2616 // Match 'movq GR64, MMX' as an alias for movd.
2617 def : InstAlias<"movq $src, $dst",
2618 (MMX_MOVD64to64rr VR64:$dst, GR64:$src), 0>;
2619 def : InstAlias<"movq $src, $dst",
2620 (MMX_MOVD64from64rr GR64:$dst, VR64:$src), 0>;
2623 def : InstAlias<"movsx $src, $dst", (MOVSX16rr8 GR16:$dst, GR8:$src), 0>;
2624 def : InstAlias<"movsx $src, $dst", (MOVSX16rm8 GR16:$dst, i8mem:$src), 0>;
2625 def : InstAlias<"movsx $src, $dst", (MOVSX32rr8 GR32:$dst, GR8:$src), 0>;
2626 def : InstAlias<"movsx $src, $dst", (MOVSX32rr16 GR32:$dst, GR16:$src), 0>;
2627 def : InstAlias<"movsx $src, $dst", (MOVSX64rr8 GR64:$dst, GR8:$src), 0>;
2628 def : InstAlias<"movsx $src, $dst", (MOVSX64rr16 GR64:$dst, GR16:$src), 0>;
2629 def : InstAlias<"movsx $src, $dst", (MOVSX64rr32 GR64:$dst, GR32:$src), 0>;
2632 def : InstAlias<"movzx $src, $dst", (MOVZX16rr8 GR16:$dst, GR8:$src), 0>;
2633 def : InstAlias<"movzx $src, $dst", (MOVZX16rm8 GR16:$dst, i8mem:$src), 0>;
2634 def : InstAlias<"movzx $src, $dst", (MOVZX32rr8 GR32:$dst, GR8:$src), 0>;
2635 def : InstAlias<"movzx $src, $dst", (MOVZX32rr16 GR32:$dst, GR16:$src), 0>;
2636 def : InstAlias<"movzx $src, $dst", (MOVZX64rr8_Q GR64:$dst, GR8:$src), 0>;
2637 def : InstAlias<"movzx $src, $dst", (MOVZX64rr16_Q GR64:$dst, GR16:$src), 0>;
2638 // Note: No GR32->GR64 movzx form.
2640 // outb %dx -> outb %al, %dx
2641 def : InstAlias<"outb\t{%dx|dx}", (OUT8rr), 0>;
2642 def : InstAlias<"outw\t{%dx|dx}", (OUT16rr), 0>;
2643 def : InstAlias<"outl\t{%dx|dx}", (OUT32rr), 0>;
2644 def : InstAlias<"outb\t$port", (OUT8ir i8imm:$port), 0>;
2645 def : InstAlias<"outw\t$port", (OUT16ir i8imm:$port), 0>;
2646 def : InstAlias<"outl\t$port", (OUT32ir i8imm:$port), 0>;
2648 // 'sldt <mem>' can be encoded with either sldtw or sldtq with the same
2649 // effect (both store to a 16-bit mem). Force to sldtw to avoid ambiguity
2650 // errors, since its encoding is the most compact.
2651 def : InstAlias<"sldt $mem", (SLDT16m i16mem:$mem)>;
2653 // shld/shrd op,op -> shld op, op, CL
2654 def : InstAlias<"shld{w}\t{$r2, $r1|$r1, $r2}", (SHLD16rrCL GR16:$r1, GR16:$r2), 0>;
2655 def : InstAlias<"shld{l}\t{$r2, $r1|$r1, $r2}", (SHLD32rrCL GR32:$r1, GR32:$r2), 0>;
2656 def : InstAlias<"shld{q}\t{$r2, $r1|$r1, $r2}", (SHLD64rrCL GR64:$r1, GR64:$r2), 0>;
2657 def : InstAlias<"shrd{w}\t{$r2, $r1|$r1, $r2}", (SHRD16rrCL GR16:$r1, GR16:$r2), 0>;
2658 def : InstAlias<"shrd{l}\t{$r2, $r1|$r1, $r2}", (SHRD32rrCL GR32:$r1, GR32:$r2), 0>;
2659 def : InstAlias<"shrd{q}\t{$r2, $r1|$r1, $r2}", (SHRD64rrCL GR64:$r1, GR64:$r2), 0>;
2661 def : InstAlias<"shld{w}\t{$reg, $mem|$mem, $reg}", (SHLD16mrCL i16mem:$mem, GR16:$reg), 0>;
2662 def : InstAlias<"shld{l}\t{$reg, $mem|$mem, $reg}", (SHLD32mrCL i32mem:$mem, GR32:$reg), 0>;
2663 def : InstAlias<"shld{q}\t{$reg, $mem|$mem, $reg}", (SHLD64mrCL i64mem:$mem, GR64:$reg), 0>;
2664 def : InstAlias<"shrd{w}\t{$reg, $mem|$mem, $reg}", (SHRD16mrCL i16mem:$mem, GR16:$reg), 0>;
2665 def : InstAlias<"shrd{l}\t{$reg, $mem|$mem, $reg}", (SHRD32mrCL i32mem:$mem, GR32:$reg), 0>;
2666 def : InstAlias<"shrd{q}\t{$reg, $mem|$mem, $reg}", (SHRD64mrCL i64mem:$mem, GR64:$reg), 0>;
2668 /* FIXME: This is disabled because the asm matcher is currently incapable of
2669 * matching a fixed immediate like $1.
2670 // "shl X, $1" is an alias for "shl X".
2671 multiclass ShiftRotateByOneAlias<string Mnemonic, string Opc> {
2672 def : InstAlias<!strconcat(Mnemonic, "b $op, $$1"),
2673 (!cast<Instruction>(!strconcat(Opc, "8r1")) GR8:$op)>;
2674 def : InstAlias<!strconcat(Mnemonic, "w $op, $$1"),
2675 (!cast<Instruction>(!strconcat(Opc, "16r1")) GR16:$op)>;
2676 def : InstAlias<!strconcat(Mnemonic, "l $op, $$1"),
2677 (!cast<Instruction>(!strconcat(Opc, "32r1")) GR32:$op)>;
2678 def : InstAlias<!strconcat(Mnemonic, "q $op, $$1"),
2679 (!cast<Instruction>(!strconcat(Opc, "64r1")) GR64:$op)>;
2680 def : InstAlias<!strconcat(Mnemonic, "b $op, $$1"),
2681 (!cast<Instruction>(!strconcat(Opc, "8m1")) i8mem:$op)>;
2682 def : InstAlias<!strconcat(Mnemonic, "w $op, $$1"),
2683 (!cast<Instruction>(!strconcat(Opc, "16m1")) i16mem:$op)>;
2684 def : InstAlias<!strconcat(Mnemonic, "l $op, $$1"),
2685 (!cast<Instruction>(!strconcat(Opc, "32m1")) i32mem:$op)>;
2686 def : InstAlias<!strconcat(Mnemonic, "q $op, $$1"),
2687 (!cast<Instruction>(!strconcat(Opc, "64m1")) i64mem:$op)>;
2690 defm : ShiftRotateByOneAlias<"rcl", "RCL">;
2691 defm : ShiftRotateByOneAlias<"rcr", "RCR">;
2692 defm : ShiftRotateByOneAlias<"rol", "ROL">;
2693 defm : ShiftRotateByOneAlias<"ror", "ROR">;
2696 // test: We accept "testX <reg>, <mem>" and "testX <mem>, <reg>" as synonyms.
2697 def : InstAlias<"test{b}\t{$val, $mem|$mem, $val}", (TEST8rm GR8 :$val, i8mem :$mem)>;
2698 def : InstAlias<"test{w}\t{$val, $mem|$mem, $val}", (TEST16rm GR16:$val, i16mem:$mem)>;
2699 def : InstAlias<"test{l}\t{$val, $mem|$mem, $val}", (TEST32rm GR32:$val, i32mem:$mem)>;
2700 def : InstAlias<"test{q}\t{$val, $mem|$mem, $val}", (TEST64rm GR64:$val, i64mem:$mem)>;
2702 // xchg: We accept "xchgX <reg>, <mem>" and "xchgX <mem>, <reg>" as synonyms.
2703 def : InstAlias<"xchg{b}\t{$mem, $val|$val, $mem}", (XCHG8rm GR8 :$val, i8mem :$mem)>;
2704 def : InstAlias<"xchg{w}\t{$mem, $val|$val, $mem}", (XCHG16rm GR16:$val, i16mem:$mem)>;
2705 def : InstAlias<"xchg{l}\t{$mem, $val|$val, $mem}", (XCHG32rm GR32:$val, i32mem:$mem)>;
2706 def : InstAlias<"xchg{q}\t{$mem, $val|$val, $mem}", (XCHG64rm GR64:$val, i64mem:$mem)>;
2708 // xchg: We accept "xchgX <reg>, %eax" and "xchgX %eax, <reg>" as synonyms.
2709 def : InstAlias<"xchg{w}\t{%ax, $src|$src, ax}", (XCHG16ar GR16:$src)>;
2710 def : InstAlias<"xchg{l}\t{%eax, $src|$src, eax}", (XCHG32ar GR32:$src)>, Requires<[Not64BitMode]>;
2711 def : InstAlias<"xchg{l}\t{%eax, $src|$src, eax}", (XCHG32ar64 GR32_NOAX:$src)>, Requires<[In64BitMode]>;
2712 def : InstAlias<"xchg{q}\t{%rax, $src|$src, rax}", (XCHG64ar GR64:$src)>;