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 X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
159 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
161 def X86vastart_save_xmm_regs :
162 SDNode<"X86ISD::VASTART_SAVE_XMM_REGS",
163 SDT_X86VASTART_SAVE_XMM_REGS,
164 [SDNPHasChain, SDNPVariadic]>;
166 SDNode<"X86ISD::VAARG_64", SDT_X86VAARG_64,
167 [SDNPHasChain, SDNPMayLoad, SDNPMayStore,
169 def X86callseq_start :
170 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
171 [SDNPHasChain, SDNPOutGlue]>;
173 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
174 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
176 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
177 [SDNPHasChain, SDNPOutGlue, SDNPOptInGlue,
180 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
181 [SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore]>;
182 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
183 [SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
186 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG", SDTX86Void,
187 [SDNPHasChain, SDNPOutGlue, SDNPSideEffect]>;
188 def X86rdtscp : SDNode<"X86ISD::RDTSCP_DAG", SDTX86Void,
189 [SDNPHasChain, SDNPOutGlue, SDNPSideEffect]>;
190 def X86rdpmc : SDNode<"X86ISD::RDPMC_DAG", SDTX86Void,
191 [SDNPHasChain, SDNPOutGlue, SDNPSideEffect]>;
193 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
194 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
196 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
197 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
199 def X86tlsbaseaddr : SDNode<"X86ISD::TLSBASEADDR", SDT_X86TLSBASEADDR,
200 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
202 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
205 def X86eh_sjlj_setjmp : SDNode<"X86ISD::EH_SJLJ_SETJMP",
206 SDTypeProfile<1, 1, [SDTCisInt<0>,
208 [SDNPHasChain, SDNPSideEffect]>;
209 def X86eh_sjlj_longjmp : SDNode<"X86ISD::EH_SJLJ_LONGJMP",
210 SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>,
211 [SDNPHasChain, SDNPSideEffect]>;
213 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
214 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
216 def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags,
218 def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
219 def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags,
221 def X86umul_flag : SDNode<"X86ISD::UMUL", SDT2ResultBinaryArithWithFlags,
223 def X86adc_flag : SDNode<"X86ISD::ADC", SDTBinaryArithWithFlagsInOut>;
224 def X86sbb_flag : SDNode<"X86ISD::SBB", SDTBinaryArithWithFlagsInOut>;
226 def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>;
227 def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>;
228 def X86or_flag : SDNode<"X86ISD::OR", SDTBinaryArithWithFlags,
230 def X86xor_flag : SDNode<"X86ISD::XOR", SDTBinaryArithWithFlags,
232 def X86and_flag : SDNode<"X86ISD::AND", SDTBinaryArithWithFlags,
235 def X86bextr : SDNode<"X86ISD::BEXTR", SDTIntBinOp>;
237 def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
239 def X86WinAlloca : SDNode<"X86ISD::WIN_ALLOCA", SDTX86Void,
240 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
242 def X86SegAlloca : SDNode<"X86ISD::SEG_ALLOCA", SDT_X86SEG_ALLOCA,
245 def X86TLSCall : SDNode<"X86ISD::TLSCALL", SDT_X86TLSCALL,
246 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
248 def X86WinFTOL : SDNode<"X86ISD::WIN_FTOL", SDT_X86WIN_FTOL,
249 [SDNPHasChain, SDNPOutGlue]>;
251 //===----------------------------------------------------------------------===//
252 // X86 Operand Definitions.
255 // A version of ptr_rc which excludes SP, ESP, and RSP. This is used for
256 // the index operand of an address, to conform to x86 encoding restrictions.
257 def ptr_rc_nosp : PointerLikeRegClass<1>;
259 // *mem - Operand definitions for the funky X86 addressing mode operands.
261 def X86MemAsmOperand : AsmOperandClass {
264 def X86Mem8AsmOperand : AsmOperandClass {
265 let Name = "Mem8"; let RenderMethod = "addMemOperands";
267 def X86Mem16AsmOperand : AsmOperandClass {
268 let Name = "Mem16"; let RenderMethod = "addMemOperands";
270 def X86Mem32AsmOperand : AsmOperandClass {
271 let Name = "Mem32"; let RenderMethod = "addMemOperands";
273 def X86Mem64AsmOperand : AsmOperandClass {
274 let Name = "Mem64"; let RenderMethod = "addMemOperands";
276 def X86Mem80AsmOperand : AsmOperandClass {
277 let Name = "Mem80"; let RenderMethod = "addMemOperands";
279 def X86Mem128AsmOperand : AsmOperandClass {
280 let Name = "Mem128"; let RenderMethod = "addMemOperands";
282 def X86Mem256AsmOperand : AsmOperandClass {
283 let Name = "Mem256"; let RenderMethod = "addMemOperands";
285 def X86Mem512AsmOperand : AsmOperandClass {
286 let Name = "Mem512"; let RenderMethod = "addMemOperands";
289 // Gather mem operands
290 def X86MemVX32Operand : AsmOperandClass {
291 let Name = "MemVX32"; let RenderMethod = "addMemOperands";
293 def X86MemVY32Operand : AsmOperandClass {
294 let Name = "MemVY32"; let RenderMethod = "addMemOperands";
296 def X86MemVZ32Operand : AsmOperandClass {
297 let Name = "MemVZ32"; let RenderMethod = "addMemOperands";
299 def X86MemVX64Operand : AsmOperandClass {
300 let Name = "MemVX64"; let RenderMethod = "addMemOperands";
302 def X86MemVY64Operand : AsmOperandClass {
303 let Name = "MemVY64"; let RenderMethod = "addMemOperands";
305 def X86MemVZ64Operand : AsmOperandClass {
306 let Name = "MemVZ64"; let RenderMethod = "addMemOperands";
309 def X86AbsMemAsmOperand : AsmOperandClass {
311 let SuperClasses = [X86MemAsmOperand];
313 class X86MemOperand<string printMethod> : Operand<iPTR> {
314 let PrintMethod = printMethod;
315 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc_nosp, i32imm, i8imm);
316 let ParserMatchClass = X86MemAsmOperand;
319 let OperandType = "OPERAND_MEMORY" in {
320 def opaque32mem : X86MemOperand<"printopaquemem">;
321 def opaque48mem : X86MemOperand<"printopaquemem">;
322 def opaque80mem : X86MemOperand<"printopaquemem">;
323 def opaque512mem : X86MemOperand<"printopaquemem">;
325 def i8mem : X86MemOperand<"printi8mem"> {
326 let ParserMatchClass = X86Mem8AsmOperand; }
327 def i16mem : X86MemOperand<"printi16mem"> {
328 let ParserMatchClass = X86Mem16AsmOperand; }
329 def i32mem : X86MemOperand<"printi32mem"> {
330 let ParserMatchClass = X86Mem32AsmOperand; }
331 def i64mem : X86MemOperand<"printi64mem"> {
332 let ParserMatchClass = X86Mem64AsmOperand; }
333 def i128mem : X86MemOperand<"printi128mem"> {
334 let ParserMatchClass = X86Mem128AsmOperand; }
335 def i256mem : X86MemOperand<"printi256mem"> {
336 let ParserMatchClass = X86Mem256AsmOperand; }
337 def i512mem : X86MemOperand<"printi512mem"> {
338 let ParserMatchClass = X86Mem512AsmOperand; }
339 def f32mem : X86MemOperand<"printf32mem"> {
340 let ParserMatchClass = X86Mem32AsmOperand; }
341 def f64mem : X86MemOperand<"printf64mem"> {
342 let ParserMatchClass = X86Mem64AsmOperand; }
343 def f80mem : X86MemOperand<"printf80mem"> {
344 let ParserMatchClass = X86Mem80AsmOperand; }
345 def f128mem : X86MemOperand<"printf128mem"> {
346 let ParserMatchClass = X86Mem128AsmOperand; }
347 def f256mem : X86MemOperand<"printf256mem">{
348 let ParserMatchClass = X86Mem256AsmOperand; }
349 def f512mem : X86MemOperand<"printf512mem">{
350 let ParserMatchClass = X86Mem512AsmOperand; }
351 def v512mem : Operand<iPTR> {
352 let PrintMethod = "printf512mem";
353 let MIOperandInfo = (ops ptr_rc, i8imm, VR512, i32imm, i8imm);
354 let ParserMatchClass = X86Mem512AsmOperand; }
356 // Gather mem operands
357 def vx32mem : X86MemOperand<"printi32mem">{
358 let MIOperandInfo = (ops ptr_rc, i8imm, VR128, i32imm, i8imm);
359 let ParserMatchClass = X86MemVX32Operand; }
360 def vy32mem : X86MemOperand<"printi32mem">{
361 let MIOperandInfo = (ops ptr_rc, i8imm, VR256, i32imm, i8imm);
362 let ParserMatchClass = X86MemVY32Operand; }
363 def vx64mem : X86MemOperand<"printi64mem">{
364 let MIOperandInfo = (ops ptr_rc, i8imm, VR128, i32imm, i8imm);
365 let ParserMatchClass = X86MemVX64Operand; }
366 def vy64mem : X86MemOperand<"printi64mem">{
367 let MIOperandInfo = (ops ptr_rc, i8imm, VR256, i32imm, i8imm);
368 let ParserMatchClass = X86MemVY64Operand; }
369 def vy64xmem : X86MemOperand<"printi64mem">{
370 let MIOperandInfo = (ops ptr_rc, i8imm, VR256X, i32imm, i8imm);
371 let ParserMatchClass = X86MemVY64Operand; }
372 def vz32mem : X86MemOperand<"printi32mem">{
373 let MIOperandInfo = (ops ptr_rc, i16imm, VR512, i32imm, i8imm);
374 let ParserMatchClass = X86MemVZ32Operand; }
375 def vz64mem : X86MemOperand<"printi64mem">{
376 let MIOperandInfo = (ops ptr_rc, i8imm, VR512, i32imm, i8imm);
377 let ParserMatchClass = X86MemVZ64Operand; }
380 // A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
381 // plain GR64, so that it doesn't potentially require a REX prefix.
382 def i8mem_NOREX : Operand<i64> {
383 let PrintMethod = "printi8mem";
384 let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_NOREX_NOSP, i32imm, i8imm);
385 let ParserMatchClass = X86Mem8AsmOperand;
386 let OperandType = "OPERAND_MEMORY";
389 // GPRs available for tailcall.
390 // It represents GR32_TC, GR64_TC or GR64_TCW64.
391 def ptr_rc_tailcall : PointerLikeRegClass<2>;
393 // Special i32mem for addresses of load folding tail calls. These are not
394 // allowed to use callee-saved registers since they must be scheduled
395 // after callee-saved register are popped.
396 def i32mem_TC : Operand<i32> {
397 let PrintMethod = "printi32mem";
398 let MIOperandInfo = (ops ptr_rc_tailcall, i8imm, ptr_rc_tailcall,
400 let ParserMatchClass = X86Mem32AsmOperand;
401 let OperandType = "OPERAND_MEMORY";
404 // Special i64mem for addresses of load folding tail calls. These are not
405 // allowed to use callee-saved registers since they must be scheduled
406 // after callee-saved register are popped.
407 def i64mem_TC : Operand<i64> {
408 let PrintMethod = "printi64mem";
409 let MIOperandInfo = (ops ptr_rc_tailcall, i8imm,
410 ptr_rc_tailcall, i32imm, i8imm);
411 let ParserMatchClass = X86Mem64AsmOperand;
412 let OperandType = "OPERAND_MEMORY";
415 let OperandType = "OPERAND_PCREL",
416 ParserMatchClass = X86AbsMemAsmOperand,
417 PrintMethod = "printPCRelImm" in {
418 def i32imm_pcrel : Operand<i32>;
419 def i16imm_pcrel : Operand<i16>;
421 // Branch targets have OtherVT type and print as pc-relative values.
422 def brtarget : Operand<OtherVT>;
423 def brtarget8 : Operand<OtherVT>;
427 def X86SrcIdx8Operand : AsmOperandClass {
428 let Name = "SrcIdx8";
429 let RenderMethod = "addSrcIdxOperands";
430 let SuperClasses = [X86Mem8AsmOperand];
432 def X86SrcIdx16Operand : AsmOperandClass {
433 let Name = "SrcIdx16";
434 let RenderMethod = "addSrcIdxOperands";
435 let SuperClasses = [X86Mem16AsmOperand];
437 def X86SrcIdx32Operand : AsmOperandClass {
438 let Name = "SrcIdx32";
439 let RenderMethod = "addSrcIdxOperands";
440 let SuperClasses = [X86Mem32AsmOperand];
442 def X86SrcIdx64Operand : AsmOperandClass {
443 let Name = "SrcIdx64";
444 let RenderMethod = "addSrcIdxOperands";
445 let SuperClasses = [X86Mem64AsmOperand];
447 def X86DstIdx8Operand : AsmOperandClass {
448 let Name = "DstIdx8";
449 let RenderMethod = "addDstIdxOperands";
450 let SuperClasses = [X86Mem8AsmOperand];
452 def X86DstIdx16Operand : AsmOperandClass {
453 let Name = "DstIdx16";
454 let RenderMethod = "addDstIdxOperands";
455 let SuperClasses = [X86Mem16AsmOperand];
457 def X86DstIdx32Operand : AsmOperandClass {
458 let Name = "DstIdx32";
459 let RenderMethod = "addDstIdxOperands";
460 let SuperClasses = [X86Mem32AsmOperand];
462 def X86DstIdx64Operand : AsmOperandClass {
463 let Name = "DstIdx64";
464 let RenderMethod = "addDstIdxOperands";
465 let SuperClasses = [X86Mem64AsmOperand];
467 def X86MemOffs16_8AsmOperand : AsmOperandClass {
468 let Name = "MemOffs16_8";
469 let RenderMethod = "addMemOffsOperands";
470 let SuperClasses = [X86Mem8AsmOperand];
472 def X86MemOffs16_16AsmOperand : AsmOperandClass {
473 let Name = "MemOffs16_16";
474 let RenderMethod = "addMemOffsOperands";
475 let SuperClasses = [X86Mem16AsmOperand];
477 def X86MemOffs16_32AsmOperand : AsmOperandClass {
478 let Name = "MemOffs16_32";
479 let RenderMethod = "addMemOffsOperands";
480 let SuperClasses = [X86Mem32AsmOperand];
482 def X86MemOffs32_8AsmOperand : AsmOperandClass {
483 let Name = "MemOffs32_8";
484 let RenderMethod = "addMemOffsOperands";
485 let SuperClasses = [X86Mem8AsmOperand];
487 def X86MemOffs32_16AsmOperand : AsmOperandClass {
488 let Name = "MemOffs32_16";
489 let RenderMethod = "addMemOffsOperands";
490 let SuperClasses = [X86Mem16AsmOperand];
492 def X86MemOffs32_32AsmOperand : AsmOperandClass {
493 let Name = "MemOffs32_32";
494 let RenderMethod = "addMemOffsOperands";
495 let SuperClasses = [X86Mem32AsmOperand];
497 def X86MemOffs32_64AsmOperand : AsmOperandClass {
498 let Name = "MemOffs32_64";
499 let RenderMethod = "addMemOffsOperands";
500 let SuperClasses = [X86Mem64AsmOperand];
502 def X86MemOffs64_8AsmOperand : AsmOperandClass {
503 let Name = "MemOffs64_8";
504 let RenderMethod = "addMemOffsOperands";
505 let SuperClasses = [X86Mem8AsmOperand];
507 def X86MemOffs64_16AsmOperand : AsmOperandClass {
508 let Name = "MemOffs64_16";
509 let RenderMethod = "addMemOffsOperands";
510 let SuperClasses = [X86Mem16AsmOperand];
512 def X86MemOffs64_32AsmOperand : AsmOperandClass {
513 let Name = "MemOffs64_32";
514 let RenderMethod = "addMemOffsOperands";
515 let SuperClasses = [X86Mem32AsmOperand];
517 def X86MemOffs64_64AsmOperand : AsmOperandClass {
518 let Name = "MemOffs64_64";
519 let RenderMethod = "addMemOffsOperands";
520 let SuperClasses = [X86Mem64AsmOperand];
522 let OperandType = "OPERAND_MEMORY" in {
523 def srcidx8 : Operand<iPTR> {
524 let ParserMatchClass = X86SrcIdx8Operand;
525 let MIOperandInfo = (ops ptr_rc, i8imm);
526 let PrintMethod = "printSrcIdx8"; }
527 def srcidx16 : Operand<iPTR> {
528 let ParserMatchClass = X86SrcIdx16Operand;
529 let MIOperandInfo = (ops ptr_rc, i8imm);
530 let PrintMethod = "printSrcIdx16"; }
531 def srcidx32 : Operand<iPTR> {
532 let ParserMatchClass = X86SrcIdx32Operand;
533 let MIOperandInfo = (ops ptr_rc, i8imm);
534 let PrintMethod = "printSrcIdx32"; }
535 def srcidx64 : Operand<iPTR> {
536 let ParserMatchClass = X86SrcIdx64Operand;
537 let MIOperandInfo = (ops ptr_rc, i8imm);
538 let PrintMethod = "printSrcIdx64"; }
539 def dstidx8 : Operand<iPTR> {
540 let ParserMatchClass = X86DstIdx8Operand;
541 let MIOperandInfo = (ops ptr_rc);
542 let PrintMethod = "printDstIdx8"; }
543 def dstidx16 : Operand<iPTR> {
544 let ParserMatchClass = X86DstIdx16Operand;
545 let MIOperandInfo = (ops ptr_rc);
546 let PrintMethod = "printDstIdx16"; }
547 def dstidx32 : Operand<iPTR> {
548 let ParserMatchClass = X86DstIdx32Operand;
549 let MIOperandInfo = (ops ptr_rc);
550 let PrintMethod = "printDstIdx32"; }
551 def dstidx64 : Operand<iPTR> {
552 let ParserMatchClass = X86DstIdx64Operand;
553 let MIOperandInfo = (ops ptr_rc);
554 let PrintMethod = "printDstIdx64"; }
555 def offset16_8 : Operand<iPTR> {
556 let ParserMatchClass = X86MemOffs16_8AsmOperand;
557 let MIOperandInfo = (ops i16imm, i8imm);
558 let PrintMethod = "printMemOffs8"; }
559 def offset16_16 : Operand<iPTR> {
560 let ParserMatchClass = X86MemOffs16_16AsmOperand;
561 let MIOperandInfo = (ops i16imm, i8imm);
562 let PrintMethod = "printMemOffs16"; }
563 def offset16_32 : Operand<iPTR> {
564 let ParserMatchClass = X86MemOffs16_32AsmOperand;
565 let MIOperandInfo = (ops i16imm, i8imm);
566 let PrintMethod = "printMemOffs32"; }
567 def offset32_8 : Operand<iPTR> {
568 let ParserMatchClass = X86MemOffs32_8AsmOperand;
569 let MIOperandInfo = (ops i32imm, i8imm);
570 let PrintMethod = "printMemOffs8"; }
571 def offset32_16 : Operand<iPTR> {
572 let ParserMatchClass = X86MemOffs32_16AsmOperand;
573 let MIOperandInfo = (ops i32imm, i8imm);
574 let PrintMethod = "printMemOffs16"; }
575 def offset32_32 : Operand<iPTR> {
576 let ParserMatchClass = X86MemOffs32_32AsmOperand;
577 let MIOperandInfo = (ops i32imm, i8imm);
578 let PrintMethod = "printMemOffs32"; }
579 def offset32_64 : Operand<iPTR> {
580 let ParserMatchClass = X86MemOffs32_64AsmOperand;
581 let MIOperandInfo = (ops i32imm, i8imm);
582 let PrintMethod = "printMemOffs64"; }
583 def offset64_8 : Operand<iPTR> {
584 let ParserMatchClass = X86MemOffs64_8AsmOperand;
585 let MIOperandInfo = (ops i64imm, i8imm);
586 let PrintMethod = "printMemOffs8"; }
587 def offset64_16 : Operand<iPTR> {
588 let ParserMatchClass = X86MemOffs64_16AsmOperand;
589 let MIOperandInfo = (ops i64imm, i8imm);
590 let PrintMethod = "printMemOffs16"; }
591 def offset64_32 : Operand<iPTR> {
592 let ParserMatchClass = X86MemOffs64_32AsmOperand;
593 let MIOperandInfo = (ops i64imm, i8imm);
594 let PrintMethod = "printMemOffs32"; }
595 def offset64_64 : Operand<iPTR> {
596 let ParserMatchClass = X86MemOffs64_64AsmOperand;
597 let MIOperandInfo = (ops i64imm, i8imm);
598 let PrintMethod = "printMemOffs64"; }
602 def SSECC : Operand<i8> {
603 let PrintMethod = "printSSECC";
604 let OperandType = "OPERAND_IMMEDIATE";
607 def i8immZExt3 : ImmLeaf<i8, [{
608 return Imm >= 0 && Imm < 8;
611 def AVXCC : Operand<i8> {
612 let PrintMethod = "printAVXCC";
613 let OperandType = "OPERAND_IMMEDIATE";
616 def i8immZExt5 : ImmLeaf<i8, [{
617 return Imm >= 0 && Imm < 32;
619 // AVX-512 uses a 32-bit immediate in their intrinsics
620 def i32immZExt5 : ImmLeaf<i32, [{
621 return Imm >= 0 && Imm < 32;
624 class ImmSExtAsmOperandClass : AsmOperandClass {
625 let SuperClasses = [ImmAsmOperand];
626 let RenderMethod = "addImmOperands";
629 def X86GR32orGR64AsmOperand : AsmOperandClass {
630 let Name = "GR32orGR64";
633 def GR32orGR64 : RegisterOperand<GR32> {
634 let ParserMatchClass = X86GR32orGR64AsmOperand;
637 def AVX512RC : Operand<i32> {
638 let PrintMethod = "printRoundingControl";
639 let OperandType = "OPERAND_IMMEDIATE";
642 // Sign-extended immediate classes. We don't need to define the full lattice
643 // here because there is no instruction with an ambiguity between ImmSExti64i32
646 // The strange ranges come from the fact that the assembler always works with
647 // 64-bit immediates, but for a 16-bit target value we want to accept both "-1"
648 // (which will be a -1ULL), and "0xFF" (-1 in 16-bits).
651 // [0xFFFFFFFF80000000, 0xFFFFFFFFFFFFFFFF]
652 def ImmSExti64i32AsmOperand : ImmSExtAsmOperandClass {
653 let Name = "ImmSExti64i32";
656 // [0, 0x0000007F] | [0x000000000000FF80, 0x000000000000FFFF] |
657 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
658 def ImmSExti16i8AsmOperand : ImmSExtAsmOperandClass {
659 let Name = "ImmSExti16i8";
660 let SuperClasses = [ImmSExti64i32AsmOperand];
663 // [0, 0x0000007F] | [0x00000000FFFFFF80, 0x00000000FFFFFFFF] |
664 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
665 def ImmSExti32i8AsmOperand : ImmSExtAsmOperandClass {
666 let Name = "ImmSExti32i8";
670 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
671 def ImmSExti64i8AsmOperand : ImmSExtAsmOperandClass {
672 let Name = "ImmSExti64i8";
673 let SuperClasses = [ImmSExti16i8AsmOperand, ImmSExti32i8AsmOperand,
674 ImmSExti64i32AsmOperand];
677 // A couple of more descriptive operand definitions.
678 // 16-bits but only 8 bits are significant.
679 def i16i8imm : Operand<i16> {
680 let ParserMatchClass = ImmSExti16i8AsmOperand;
681 let OperandType = "OPERAND_IMMEDIATE";
683 // 32-bits but only 8 bits are significant.
684 def i32i8imm : Operand<i32> {
685 let ParserMatchClass = ImmSExti32i8AsmOperand;
686 let OperandType = "OPERAND_IMMEDIATE";
689 // 64-bits but only 32 bits are significant.
690 def i64i32imm : Operand<i64> {
691 let ParserMatchClass = ImmSExti64i32AsmOperand;
692 let OperandType = "OPERAND_IMMEDIATE";
695 // 64-bits but only 32 bits are significant, and those bits are treated as being
697 def i64i32imm_pcrel : Operand<i64> {
698 let PrintMethod = "printPCRelImm";
699 let ParserMatchClass = X86AbsMemAsmOperand;
700 let OperandType = "OPERAND_PCREL";
703 // 64-bits but only 8 bits are significant.
704 def i64i8imm : Operand<i64> {
705 let ParserMatchClass = ImmSExti64i8AsmOperand;
706 let OperandType = "OPERAND_IMMEDIATE";
709 def lea64_32mem : Operand<i32> {
710 let PrintMethod = "printi32mem";
711 let MIOperandInfo = (ops GR64, i8imm, GR64_NOSP, i32imm, i8imm);
712 let ParserMatchClass = X86MemAsmOperand;
715 // Memory operands that use 64-bit pointers in both ILP32 and LP64.
716 def lea64mem : Operand<i64> {
717 let PrintMethod = "printi64mem";
718 let MIOperandInfo = (ops GR64, i8imm, GR64_NOSP, i32imm, i8imm);
719 let ParserMatchClass = X86MemAsmOperand;
723 //===----------------------------------------------------------------------===//
724 // X86 Complex Pattern Definitions.
727 // Define X86 specific addressing mode.
728 def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], [SDNPWantParent]>;
729 def lea32addr : ComplexPattern<i32, 5, "SelectLEAAddr",
730 [add, sub, mul, X86mul_imm, shl, or, frameindex],
732 // In 64-bit mode 32-bit LEAs can use RIP-relative addressing.
733 def lea64_32addr : ComplexPattern<i32, 5, "SelectLEA64_32Addr",
734 [add, sub, mul, X86mul_imm, shl, or,
735 frameindex, X86WrapperRIP],
738 def tls32addr : ComplexPattern<i32, 5, "SelectTLSADDRAddr",
739 [tglobaltlsaddr], []>;
741 def tls32baseaddr : ComplexPattern<i32, 5, "SelectTLSADDRAddr",
742 [tglobaltlsaddr], []>;
744 def lea64addr : ComplexPattern<i64, 5, "SelectLEAAddr",
745 [add, sub, mul, X86mul_imm, shl, or, frameindex,
748 def tls64addr : ComplexPattern<i64, 5, "SelectTLSADDRAddr",
749 [tglobaltlsaddr], []>;
751 def tls64baseaddr : ComplexPattern<i64, 5, "SelectTLSADDRAddr",
752 [tglobaltlsaddr], []>;
754 //===----------------------------------------------------------------------===//
755 // X86 Instruction Predicate Definitions.
756 def HasCMov : Predicate<"Subtarget->hasCMov()">;
757 def NoCMov : Predicate<"!Subtarget->hasCMov()">;
759 def HasMMX : Predicate<"Subtarget->hasMMX()">;
760 def Has3DNow : Predicate<"Subtarget->has3DNow()">;
761 def Has3DNowA : Predicate<"Subtarget->has3DNowA()">;
762 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
763 def UseSSE1 : Predicate<"Subtarget->hasSSE1() && !Subtarget->hasAVX()">;
764 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
765 def UseSSE2 : Predicate<"Subtarget->hasSSE2() && !Subtarget->hasAVX()">;
766 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
767 def UseSSE3 : Predicate<"Subtarget->hasSSE3() && !Subtarget->hasAVX()">;
768 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
769 def UseSSSE3 : Predicate<"Subtarget->hasSSSE3() && !Subtarget->hasAVX()">;
770 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
771 def NoSSE41 : Predicate<"!Subtarget->hasSSE41()">;
772 def UseSSE41 : Predicate<"Subtarget->hasSSE41() && !Subtarget->hasAVX()">;
773 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
774 def UseSSE42 : Predicate<"Subtarget->hasSSE42() && !Subtarget->hasAVX()">;
775 def HasSSE4A : Predicate<"Subtarget->hasSSE4A()">;
776 def HasAVX : Predicate<"Subtarget->hasAVX()">;
777 def HasAVX2 : Predicate<"Subtarget->hasAVX2()">;
778 def HasAVX1Only : Predicate<"Subtarget->hasAVX() && !Subtarget->hasAVX2()">;
779 def HasAVX512 : Predicate<"Subtarget->hasAVX512()">,
780 AssemblerPredicate<"FeatureAVX512", "AVX-512 ISA">;
781 def UseAVX : Predicate<"Subtarget->hasAVX() && !Subtarget->hasAVX512()">;
782 def UseAVX2 : Predicate<"Subtarget->hasAVX2() && !Subtarget->hasAVX512()">;
783 def NoAVX512 : Predicate<"!Subtarget->hasAVX512()">;
784 def HasCDI : Predicate<"Subtarget->hasCDI()">;
785 def HasPFI : Predicate<"Subtarget->hasPFI()">;
786 def HasERI : Predicate<"Subtarget->hasERI()">;
787 def HasDQI : Predicate<"Subtarget->hasDQI()">;
788 def NoDQI : Predicate<"!Subtarget->hasDQI()">;
789 def HasBWI : Predicate<"Subtarget->hasBWI()">;
790 def HasVLX : Predicate<"Subtarget->hasVLX()">,
791 AssemblerPredicate<"FeatureVLX", "AVX-512 VLX ISA">;
792 def NoVLX : Predicate<"!Subtarget->hasVLX()">;
794 def HasPOPCNT : Predicate<"Subtarget->hasPOPCNT()">;
795 def HasAES : Predicate<"Subtarget->hasAES()">;
796 def HasPCLMUL : Predicate<"Subtarget->hasPCLMUL()">;
797 def HasFMA : Predicate<"Subtarget->hasFMA()">;
798 def UseFMAOnAVX : Predicate<"Subtarget->hasFMA() && !Subtarget->hasAVX512()">;
799 def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
800 def HasXOP : Predicate<"Subtarget->hasXOP()">;
801 def HasTBM : Predicate<"Subtarget->hasTBM()">;
802 def HasMOVBE : Predicate<"Subtarget->hasMOVBE()">;
803 def HasRDRAND : Predicate<"Subtarget->hasRDRAND()">;
804 def HasF16C : Predicate<"Subtarget->hasF16C()">;
805 def HasFSGSBase : Predicate<"Subtarget->hasFSGSBase()">;
806 def HasLZCNT : Predicate<"Subtarget->hasLZCNT()">;
807 def HasBMI : Predicate<"Subtarget->hasBMI()">;
808 def HasBMI2 : Predicate<"Subtarget->hasBMI2()">;
809 def HasRTM : Predicate<"Subtarget->hasRTM()">;
810 def HasHLE : Predicate<"Subtarget->hasHLE()">;
811 def HasTSX : Predicate<"Subtarget->hasRTM() || Subtarget->hasHLE()">;
812 def HasADX : Predicate<"Subtarget->hasADX()">;
813 def HasSHA : Predicate<"Subtarget->hasSHA()">;
814 def HasSGX : Predicate<"Subtarget->hasSGX()">;
815 def HasPRFCHW : Predicate<"Subtarget->hasPRFCHW()">;
816 def HasRDSEED : Predicate<"Subtarget->hasRDSEED()">;
817 def HasSMAP : Predicate<"Subtarget->hasSMAP()">;
818 def HasPrefetchW : Predicate<"Subtarget->hasPRFCHW()">;
819 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
820 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
821 def HasCmpxchg16b: Predicate<"Subtarget->hasCmpxchg16b()">;
822 def Not64BitMode : Predicate<"!Subtarget->is64Bit()">,
823 AssemblerPredicate<"!Mode64Bit", "Not 64-bit mode">;
824 def In64BitMode : Predicate<"Subtarget->is64Bit()">,
825 AssemblerPredicate<"Mode64Bit", "64-bit mode">;
826 def IsLP64 : Predicate<"Subtarget->isTarget64BitLP64()">;
827 def NotLP64 : Predicate<"!Subtarget->isTarget64BitLP64()">;
828 def In16BitMode : Predicate<"Subtarget->is16Bit()">,
829 AssemblerPredicate<"Mode16Bit", "16-bit mode">;
830 def Not16BitMode : Predicate<"!Subtarget->is16Bit()">,
831 AssemblerPredicate<"!Mode16Bit", "Not 16-bit mode">;
832 def In32BitMode : Predicate<"Subtarget->is32Bit()">,
833 AssemblerPredicate<"Mode32Bit", "32-bit mode">;
834 def IsWin64 : Predicate<"Subtarget->isTargetWin64()">;
835 def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
836 def NotNaCl : Predicate<"!Subtarget->isTargetNaCl()">;
837 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
838 def KernelCode : Predicate<"TM.getCodeModel() == CodeModel::Kernel">;
839 def FarData : Predicate<"TM.getCodeModel() != CodeModel::Small &&"
840 "TM.getCodeModel() != CodeModel::Kernel">;
841 def NearData : Predicate<"TM.getCodeModel() == CodeModel::Small ||"
842 "TM.getCodeModel() == CodeModel::Kernel">;
843 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
844 def IsNotPIC : Predicate<"TM.getRelocationModel() != Reloc::PIC_">;
845 def OptForSize : Predicate<"OptForSize">;
846 def OptForSpeed : Predicate<"!OptForSize">;
847 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
848 def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
849 def FavorMemIndirectCall : Predicate<"!Subtarget->callRegIndirect()">;
850 def NotSlowIncDec : Predicate<"!Subtarget->slowIncDec()">;
851 def HasFastMem32 : Predicate<"!Subtarget->isUnalignedMem32Slow()">;
853 //===----------------------------------------------------------------------===//
854 // X86 Instruction Format Definitions.
857 include "X86InstrFormats.td"
859 //===----------------------------------------------------------------------===//
860 // Pattern fragments.
863 // X86 specific condition code. These correspond to CondCode in
864 // X86InstrInfo.h. They must be kept in synch.
865 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
866 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
867 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
868 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
869 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
870 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
871 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
872 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
873 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
874 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
875 def X86_COND_NO : PatLeaf<(i8 10)>;
876 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
877 def X86_COND_NS : PatLeaf<(i8 12)>;
878 def X86_COND_O : PatLeaf<(i8 13)>;
879 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
880 def X86_COND_S : PatLeaf<(i8 15)>;
882 // Predicate used to help when pattern matching LZCNT/TZCNT.
883 def X86_COND_E_OR_NE : ImmLeaf<i8, [{
884 return (Imm == X86::COND_E) || (Imm == X86::COND_NE);
887 let FastIselShouldIgnore = 1 in { // FastIsel should ignore all simm8 instrs.
888 def i16immSExt8 : ImmLeaf<i16, [{ return Imm == (int8_t)Imm; }]>;
889 def i32immSExt8 : ImmLeaf<i32, [{ return Imm == (int8_t)Imm; }]>;
890 def i64immSExt8 : ImmLeaf<i64, [{ return Imm == (int8_t)Imm; }]>;
893 def i64immSExt32 : ImmLeaf<i64, [{ return Imm == (int32_t)Imm; }]>;
896 // i64immZExt32 predicate - True if the 64-bit immediate fits in a 32-bit
898 def i64immZExt32 : ImmLeaf<i64, [{ return (uint64_t)Imm == (uint32_t)Imm; }]>;
900 def i64immZExt32SExt8 : ImmLeaf<i64, [{
901 return (uint64_t)Imm == (uint32_t)Imm && (int32_t)Imm == (int8_t)Imm;
904 // Helper fragments for loads.
905 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
906 // known to be 32-bit aligned or better. Ditto for i8 to i16.
907 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
908 LoadSDNode *LD = cast<LoadSDNode>(N);
909 ISD::LoadExtType ExtType = LD->getExtensionType();
910 if (ExtType == ISD::NON_EXTLOAD)
912 if (ExtType == ISD::EXTLOAD)
913 return LD->getAlignment() >= 2 && !LD->isVolatile();
917 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)),[{
918 LoadSDNode *LD = cast<LoadSDNode>(N);
919 ISD::LoadExtType ExtType = LD->getExtensionType();
920 if (ExtType == ISD::EXTLOAD)
921 return LD->getAlignment() >= 2 && !LD->isVolatile();
925 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
926 LoadSDNode *LD = cast<LoadSDNode>(N);
927 ISD::LoadExtType ExtType = LD->getExtensionType();
928 if (ExtType == ISD::NON_EXTLOAD)
930 if (ExtType == ISD::EXTLOAD)
931 return LD->getAlignment() >= 4 && !LD->isVolatile();
935 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
936 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr))>;
937 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
938 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
939 def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr))>;
941 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
942 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
943 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
944 def sextloadi64i8 : PatFrag<(ops node:$ptr), (i64 (sextloadi8 node:$ptr))>;
945 def sextloadi64i16 : PatFrag<(ops node:$ptr), (i64 (sextloadi16 node:$ptr))>;
946 def sextloadi64i32 : PatFrag<(ops node:$ptr), (i64 (sextloadi32 node:$ptr))>;
948 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
949 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
950 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
951 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
952 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
953 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
954 def zextloadi64i1 : PatFrag<(ops node:$ptr), (i64 (zextloadi1 node:$ptr))>;
955 def zextloadi64i8 : PatFrag<(ops node:$ptr), (i64 (zextloadi8 node:$ptr))>;
956 def zextloadi64i16 : PatFrag<(ops node:$ptr), (i64 (zextloadi16 node:$ptr))>;
957 def zextloadi64i32 : PatFrag<(ops node:$ptr), (i64 (zextloadi32 node:$ptr))>;
959 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
960 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
961 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
962 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
963 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
964 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
965 def extloadi64i1 : PatFrag<(ops node:$ptr), (i64 (extloadi1 node:$ptr))>;
966 def extloadi64i8 : PatFrag<(ops node:$ptr), (i64 (extloadi8 node:$ptr))>;
967 def extloadi64i16 : PatFrag<(ops node:$ptr), (i64 (extloadi16 node:$ptr))>;
968 def extloadi64i32 : PatFrag<(ops node:$ptr), (i64 (extloadi32 node:$ptr))>;
971 // An 'and' node with a single use.
972 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
973 return N->hasOneUse();
975 // An 'srl' node with a single use.
976 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
977 return N->hasOneUse();
979 // An 'trunc' node with a single use.
980 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
981 return N->hasOneUse();
984 //===----------------------------------------------------------------------===//
989 let hasSideEffects = 0, SchedRW = [WriteZero] in {
990 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", [], IIC_NOP>;
991 def NOOPW : I<0x1f, MRMXm, (outs), (ins i16mem:$zero),
992 "nop{w}\t$zero", [], IIC_NOP>, TB, OpSize16;
993 def NOOPL : I<0x1f, MRMXm, (outs), (ins i32mem:$zero),
994 "nop{l}\t$zero", [], IIC_NOP>, TB, OpSize32;
998 // Constructing a stack frame.
999 def ENTER : Ii16<0xC8, RawFrmImm8, (outs), (ins i16imm:$len, i8imm:$lvl),
1000 "enter\t$len, $lvl", [], IIC_ENTER>, Sched<[WriteMicrocoded]>;
1002 let SchedRW = [WriteALU] in {
1003 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, hasSideEffects=0 in
1004 def LEAVE : I<0xC9, RawFrm,
1005 (outs), (ins), "leave", [], IIC_LEAVE>,
1006 Requires<[Not64BitMode]>;
1008 let Defs = [RBP,RSP], Uses = [RBP,RSP], mayLoad = 1, hasSideEffects = 0 in
1009 def LEAVE64 : I<0xC9, RawFrm,
1010 (outs), (ins), "leave", [], IIC_LEAVE>,
1011 Requires<[In64BitMode]>;
1014 //===----------------------------------------------------------------------===//
1015 // Miscellaneous Instructions.
1018 let Defs = [ESP], Uses = [ESP], hasSideEffects=0 in {
1019 let mayLoad = 1, SchedRW = [WriteLoad] in {
1020 def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", [],
1021 IIC_POP_REG16>, OpSize16;
1022 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", [],
1023 IIC_POP_REG>, OpSize32, Requires<[Not64BitMode]>;
1024 def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", [],
1025 IIC_POP_REG>, OpSize16;
1026 def POP16rmm: I<0x8F, MRM0m, (outs), (ins i16mem:$dst), "pop{w}\t$dst", [],
1027 IIC_POP_MEM>, OpSize16;
1028 def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", [],
1029 IIC_POP_REG>, OpSize32, Requires<[Not64BitMode]>;
1030 def POP32rmm: I<0x8F, MRM0m, (outs), (ins i32mem:$dst), "pop{l}\t$dst", [],
1031 IIC_POP_MEM>, OpSize32, Requires<[Not64BitMode]>;
1032 } // mayLoad, SchedRW
1034 let mayStore = 1, SchedRW = [WriteStore] in {
1035 def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[],
1036 IIC_PUSH_REG>, OpSize16;
1037 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[],
1038 IIC_PUSH_REG>, OpSize32, Requires<[Not64BitMode]>;
1039 def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[],
1040 IIC_PUSH_REG>, OpSize16;
1041 def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[],
1042 IIC_PUSH_MEM>, OpSize16;
1043 def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[],
1044 IIC_PUSH_REG>, OpSize32, Requires<[Not64BitMode]>;
1045 def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[],
1046 IIC_PUSH_MEM>, OpSize32, Requires<[Not64BitMode]>;
1048 def PUSH16i8 : Ii8<0x6a, RawFrm, (outs), (ins i16i8imm:$imm),
1049 "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16,
1050 Requires<[Not64BitMode]>;
1051 def PUSH32i8 : Ii8<0x6a, RawFrm, (outs), (ins i32i8imm:$imm),
1052 "push{l}\t$imm", [], IIC_PUSH_IMM>, OpSize32,
1053 Requires<[Not64BitMode]>;
1054 def PUSHi16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
1055 "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16,
1056 Requires<[Not64BitMode]>;
1057 def PUSHi32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
1058 "push{l}\t$imm", [], IIC_PUSH_IMM>, OpSize32,
1059 Requires<[Not64BitMode]>;
1060 } // mayStore, SchedRW
1063 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, hasSideEffects=0,
1064 SchedRW = [WriteLoad] in {
1065 def POPF16 : I<0x9D, RawFrm, (outs), (ins), "popf{w}", [], IIC_POP_F>,
1067 def POPF32 : I<0x9D, RawFrm, (outs), (ins), "popf{l|d}", [], IIC_POP_FD>,
1068 OpSize32, Requires<[Not64BitMode]>;
1071 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, hasSideEffects=0,
1072 SchedRW = [WriteStore] in {
1073 def PUSHF16 : I<0x9C, RawFrm, (outs), (ins), "pushf{w}", [], IIC_PUSH_F>,
1075 def PUSHF32 : I<0x9C, RawFrm, (outs), (ins), "pushf{l|d}", [], IIC_PUSH_F>,
1076 OpSize32, Requires<[Not64BitMode]>;
1079 let Defs = [RSP], Uses = [RSP], hasSideEffects=0 in {
1080 let mayLoad = 1, SchedRW = [WriteLoad] in {
1081 def POP64r : I<0x58, AddRegFrm, (outs GR64:$reg), (ins), "pop{q}\t$reg", [],
1082 IIC_POP_REG>, OpSize32, Requires<[In64BitMode]>;
1083 def POP64rmr: I<0x8F, MRM0r, (outs GR64:$reg), (ins), "pop{q}\t$reg", [],
1084 IIC_POP_REG>, OpSize32, Requires<[In64BitMode]>;
1085 def POP64rmm: I<0x8F, MRM0m, (outs), (ins i64mem:$dst), "pop{q}\t$dst", [],
1086 IIC_POP_MEM>, OpSize32, Requires<[In64BitMode]>;
1087 } // mayLoad, SchedRW
1088 let mayStore = 1, SchedRW = [WriteStore] in {
1089 def PUSH64r : I<0x50, AddRegFrm, (outs), (ins GR64:$reg), "push{q}\t$reg", [],
1090 IIC_PUSH_REG>, OpSize32, Requires<[In64BitMode]>;
1091 def PUSH64rmr: I<0xFF, MRM6r, (outs), (ins GR64:$reg), "push{q}\t$reg", [],
1092 IIC_PUSH_REG>, OpSize32, Requires<[In64BitMode]>;
1093 def PUSH64rmm: I<0xFF, MRM6m, (outs), (ins i64mem:$src), "push{q}\t$src", [],
1094 IIC_PUSH_MEM>, OpSize32, Requires<[In64BitMode]>;
1095 } // mayStore, SchedRW
1098 let Defs = [RSP], Uses = [RSP], hasSideEffects = 0, mayStore = 1,
1099 SchedRW = [WriteStore] in {
1100 def PUSH64i8 : Ii8<0x6a, RawFrm, (outs), (ins i64i8imm:$imm),
1101 "push{q}\t$imm", [], IIC_PUSH_IMM>, Requires<[In64BitMode]>;
1102 def PUSH64i16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
1103 "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16,
1104 Requires<[In64BitMode]>;
1105 def PUSH64i32 : Ii32S<0x68, RawFrm, (outs), (ins i64i32imm:$imm),
1106 "push{q}\t$imm", [], IIC_PUSH_IMM>, OpSize32,
1107 Requires<[In64BitMode]>;
1110 let Defs = [RSP, EFLAGS], Uses = [RSP], mayLoad = 1, hasSideEffects=0 in
1111 def POPF64 : I<0x9D, RawFrm, (outs), (ins), "popfq", [], IIC_POP_FD>,
1112 OpSize32, Requires<[In64BitMode]>, Sched<[WriteLoad]>;
1113 let Defs = [RSP], Uses = [RSP, EFLAGS], mayStore = 1, hasSideEffects=0 in
1114 def PUSHF64 : I<0x9C, RawFrm, (outs), (ins), "pushfq", [], IIC_PUSH_F>,
1115 OpSize32, Requires<[In64BitMode]>, Sched<[WriteStore]>;
1117 let Defs = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP], Uses = [ESP],
1118 mayLoad = 1, hasSideEffects = 0, SchedRW = [WriteLoad] in {
1119 def POPA32 : I<0x61, RawFrm, (outs), (ins), "popal", [], IIC_POP_A>,
1120 OpSize32, Requires<[Not64BitMode]>;
1121 def POPA16 : I<0x61, RawFrm, (outs), (ins), "popaw", [], IIC_POP_A>,
1122 OpSize16, Requires<[Not64BitMode]>;
1124 let Defs = [ESP], Uses = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP],
1125 mayStore = 1, hasSideEffects = 0, SchedRW = [WriteStore] in {
1126 def PUSHA32 : I<0x60, RawFrm, (outs), (ins), "pushal", [], IIC_PUSH_A>,
1127 OpSize32, Requires<[Not64BitMode]>;
1128 def PUSHA16 : I<0x60, RawFrm, (outs), (ins), "pushaw", [], IIC_PUSH_A>,
1129 OpSize16, Requires<[Not64BitMode]>;
1132 let Constraints = "$src = $dst", SchedRW = [WriteALU] in {
1133 // GR32 = bswap GR32
1134 def BSWAP32r : I<0xC8, AddRegFrm,
1135 (outs GR32:$dst), (ins GR32:$src),
1137 [(set GR32:$dst, (bswap GR32:$src))], IIC_BSWAP>, OpSize32, TB;
1139 def BSWAP64r : RI<0xC8, AddRegFrm, (outs GR64:$dst), (ins GR64:$src),
1141 [(set GR64:$dst, (bswap GR64:$src))], IIC_BSWAP>, TB;
1142 } // Constraints = "$src = $dst", SchedRW
1144 // Bit scan instructions.
1145 let Defs = [EFLAGS] in {
1146 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1147 "bsf{w}\t{$src, $dst|$dst, $src}",
1148 [(set GR16:$dst, EFLAGS, (X86bsf GR16:$src))],
1149 IIC_BIT_SCAN_REG>, PS, OpSize16, Sched<[WriteShift]>;
1150 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1151 "bsf{w}\t{$src, $dst|$dst, $src}",
1152 [(set GR16:$dst, EFLAGS, (X86bsf (loadi16 addr:$src)))],
1153 IIC_BIT_SCAN_MEM>, PS, OpSize16, Sched<[WriteShiftLd]>;
1154 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1155 "bsf{l}\t{$src, $dst|$dst, $src}",
1156 [(set GR32:$dst, EFLAGS, (X86bsf GR32:$src))],
1157 IIC_BIT_SCAN_REG>, PS, OpSize32, Sched<[WriteShift]>;
1158 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1159 "bsf{l}\t{$src, $dst|$dst, $src}",
1160 [(set GR32:$dst, EFLAGS, (X86bsf (loadi32 addr:$src)))],
1161 IIC_BIT_SCAN_MEM>, PS, OpSize32, Sched<[WriteShiftLd]>;
1162 def BSF64rr : RI<0xBC, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1163 "bsf{q}\t{$src, $dst|$dst, $src}",
1164 [(set GR64:$dst, EFLAGS, (X86bsf GR64:$src))],
1165 IIC_BIT_SCAN_REG>, PS, Sched<[WriteShift]>;
1166 def BSF64rm : RI<0xBC, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1167 "bsf{q}\t{$src, $dst|$dst, $src}",
1168 [(set GR64:$dst, EFLAGS, (X86bsf (loadi64 addr:$src)))],
1169 IIC_BIT_SCAN_MEM>, PS, Sched<[WriteShiftLd]>;
1171 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1172 "bsr{w}\t{$src, $dst|$dst, $src}",
1173 [(set GR16:$dst, EFLAGS, (X86bsr GR16:$src))],
1174 IIC_BIT_SCAN_REG>, PS, OpSize16, Sched<[WriteShift]>;
1175 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1176 "bsr{w}\t{$src, $dst|$dst, $src}",
1177 [(set GR16:$dst, EFLAGS, (X86bsr (loadi16 addr:$src)))],
1178 IIC_BIT_SCAN_MEM>, PS, OpSize16, Sched<[WriteShiftLd]>;
1179 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1180 "bsr{l}\t{$src, $dst|$dst, $src}",
1181 [(set GR32:$dst, EFLAGS, (X86bsr GR32:$src))],
1182 IIC_BIT_SCAN_REG>, PS, OpSize32, Sched<[WriteShift]>;
1183 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1184 "bsr{l}\t{$src, $dst|$dst, $src}",
1185 [(set GR32:$dst, EFLAGS, (X86bsr (loadi32 addr:$src)))],
1186 IIC_BIT_SCAN_MEM>, PS, OpSize32, Sched<[WriteShiftLd]>;
1187 def BSR64rr : RI<0xBD, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1188 "bsr{q}\t{$src, $dst|$dst, $src}",
1189 [(set GR64:$dst, EFLAGS, (X86bsr GR64:$src))],
1190 IIC_BIT_SCAN_REG>, PS, Sched<[WriteShift]>;
1191 def BSR64rm : RI<0xBD, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1192 "bsr{q}\t{$src, $dst|$dst, $src}",
1193 [(set GR64:$dst, EFLAGS, (X86bsr (loadi64 addr:$src)))],
1194 IIC_BIT_SCAN_MEM>, PS, Sched<[WriteShiftLd]>;
1195 } // Defs = [EFLAGS]
1197 let SchedRW = [WriteMicrocoded] in {
1198 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1199 let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in {
1200 def MOVSB : I<0xA4, RawFrmDstSrc, (outs dstidx8:$dst), (ins srcidx8:$src),
1201 "movsb\t{$src, $dst|$dst, $src}", [], IIC_MOVS>;
1202 def MOVSW : I<0xA5, RawFrmDstSrc, (outs dstidx16:$dst), (ins srcidx16:$src),
1203 "movsw\t{$src, $dst|$dst, $src}", [], IIC_MOVS>, OpSize16;
1204 def MOVSL : I<0xA5, RawFrmDstSrc, (outs dstidx32:$dst), (ins srcidx32:$src),
1205 "movs{l|d}\t{$src, $dst|$dst, $src}", [], IIC_MOVS>, OpSize32;
1206 def MOVSQ : RI<0xA5, RawFrmDstSrc, (outs dstidx64:$dst), (ins srcidx64:$src),
1207 "movsq\t{$src, $dst|$dst, $src}", [], IIC_MOVS>;
1210 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1211 let Defs = [EDI], Uses = [AL,EDI,EFLAGS] in
1212 def STOSB : I<0xAA, RawFrmDst, (outs dstidx8:$dst), (ins),
1213 "stosb\t{%al, $dst|$dst, al}", [], IIC_STOS>;
1214 let Defs = [EDI], Uses = [AX,EDI,EFLAGS] in
1215 def STOSW : I<0xAB, RawFrmDst, (outs dstidx16:$dst), (ins),
1216 "stosw\t{%ax, $dst|$dst, ax}", [], IIC_STOS>, OpSize16;
1217 let Defs = [EDI], Uses = [EAX,EDI,EFLAGS] in
1218 def STOSL : I<0xAB, RawFrmDst, (outs dstidx32:$dst), (ins),
1219 "stos{l|d}\t{%eax, $dst|$dst, eax}", [], IIC_STOS>, OpSize32;
1220 let Defs = [RCX,RDI], Uses = [RAX,RCX,RDI,EFLAGS] in
1221 def STOSQ : RI<0xAB, RawFrmDst, (outs dstidx64:$dst), (ins),
1222 "stosq\t{%rax, $dst|$dst, rax}", [], IIC_STOS>;
1224 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1225 let Defs = [EDI,EFLAGS], Uses = [AL,EDI,EFLAGS] in
1226 def SCASB : I<0xAE, RawFrmDst, (outs), (ins dstidx8:$dst),
1227 "scasb\t{$dst, %al|al, $dst}", [], IIC_SCAS>;
1228 let Defs = [EDI,EFLAGS], Uses = [AX,EDI,EFLAGS] in
1229 def SCASW : I<0xAF, RawFrmDst, (outs), (ins dstidx16:$dst),
1230 "scasw\t{$dst, %ax|ax, $dst}", [], IIC_SCAS>, OpSize16;
1231 let Defs = [EDI,EFLAGS], Uses = [EAX,EDI,EFLAGS] in
1232 def SCASL : I<0xAF, RawFrmDst, (outs), (ins dstidx32:$dst),
1233 "scas{l|d}\t{$dst, %eax|eax, $dst}", [], IIC_SCAS>, OpSize32;
1234 let Defs = [EDI,EFLAGS], Uses = [RAX,EDI,EFLAGS] in
1235 def SCASQ : RI<0xAF, RawFrmDst, (outs), (ins dstidx64:$dst),
1236 "scasq\t{$dst, %rax|rax, $dst}", [], IIC_SCAS>;
1238 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1239 let Defs = [EDI,ESI,EFLAGS], Uses = [EDI,ESI,EFLAGS] in {
1240 def CMPSB : I<0xA6, RawFrmDstSrc, (outs), (ins dstidx8:$dst, srcidx8:$src),
1241 "cmpsb\t{$dst, $src|$src, $dst}", [], IIC_CMPS>;
1242 def CMPSW : I<0xA7, RawFrmDstSrc, (outs), (ins dstidx16:$dst, srcidx16:$src),
1243 "cmpsw\t{$dst, $src|$src, $dst}", [], IIC_CMPS>, OpSize16;
1244 def CMPSL : I<0xA7, RawFrmDstSrc, (outs), (ins dstidx32:$dst, srcidx32:$src),
1245 "cmps{l|d}\t{$dst, $src|$src, $dst}", [], IIC_CMPS>, OpSize32;
1246 def CMPSQ : RI<0xA7, RawFrmDstSrc, (outs), (ins dstidx64:$dst, srcidx64:$src),
1247 "cmpsq\t{$dst, $src|$src, $dst}", [], IIC_CMPS>;
1251 //===----------------------------------------------------------------------===//
1252 // Move Instructions.
1254 let SchedRW = [WriteMove] in {
1255 let hasSideEffects = 0 in {
1256 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
1257 "mov{b}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1258 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1259 "mov{w}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize16;
1260 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
1261 "mov{l}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize32;
1262 def MOV64rr : RI<0x89, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
1263 "mov{q}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1266 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
1267 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
1268 "mov{b}\t{$src, $dst|$dst, $src}",
1269 [(set GR8:$dst, imm:$src)], IIC_MOV>;
1270 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
1271 "mov{w}\t{$src, $dst|$dst, $src}",
1272 [(set GR16:$dst, imm:$src)], IIC_MOV>, OpSize16;
1273 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
1274 "mov{l}\t{$src, $dst|$dst, $src}",
1275 [(set GR32:$dst, imm:$src)], IIC_MOV>, OpSize32;
1276 def MOV64ri32 : RIi32S<0xC7, MRM0r, (outs GR64:$dst), (ins i64i32imm:$src),
1277 "mov{q}\t{$src, $dst|$dst, $src}",
1278 [(set GR64:$dst, i64immSExt32:$src)], IIC_MOV>;
1280 let isReMaterializable = 1 in {
1281 def MOV64ri : RIi64<0xB8, AddRegFrm, (outs GR64:$dst), (ins i64imm:$src),
1282 "movabs{q}\t{$src, $dst|$dst, $src}",
1283 [(set GR64:$dst, imm:$src)], IIC_MOV>;
1286 // Longer forms that use a ModR/M byte. Needed for disassembler
1287 let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0 in {
1288 def MOV8ri_alt : Ii8 <0xC6, MRM0r, (outs GR8 :$dst), (ins i8imm :$src),
1289 "mov{b}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1290 def MOV16ri_alt : Ii16<0xC7, MRM0r, (outs GR16:$dst), (ins i16imm:$src),
1291 "mov{w}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize16;
1292 def MOV32ri_alt : Ii32<0xC7, MRM0r, (outs GR32:$dst), (ins i32imm:$src),
1293 "mov{l}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize32;
1297 let SchedRW = [WriteStore] in {
1298 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
1299 "mov{b}\t{$src, $dst|$dst, $src}",
1300 [(store (i8 imm:$src), addr:$dst)], IIC_MOV_MEM>;
1301 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
1302 "mov{w}\t{$src, $dst|$dst, $src}",
1303 [(store (i16 imm:$src), addr:$dst)], IIC_MOV_MEM>, OpSize16;
1304 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
1305 "mov{l}\t{$src, $dst|$dst, $src}",
1306 [(store (i32 imm:$src), addr:$dst)], IIC_MOV_MEM>, OpSize32;
1307 def MOV64mi32 : RIi32S<0xC7, MRM0m, (outs), (ins i64mem:$dst, i64i32imm:$src),
1308 "mov{q}\t{$src, $dst|$dst, $src}",
1309 [(store i64immSExt32:$src, addr:$dst)], IIC_MOV_MEM>;
1312 let hasSideEffects = 0 in {
1314 /// Memory offset versions of moves. The immediate is an address mode sized
1315 /// offset from the segment base.
1316 let SchedRW = [WriteALU] in {
1317 let mayLoad = 1 in {
1319 def MOV8ao32 : Ii32<0xA0, RawFrmMemOffs, (outs), (ins offset32_8:$src),
1320 "mov{b}\t{$src, %al|al, $src}", [], IIC_MOV_MEM>,
1323 def MOV16ao32 : Ii32<0xA1, RawFrmMemOffs, (outs), (ins offset32_16:$src),
1324 "mov{w}\t{$src, %ax|ax, $src}", [], IIC_MOV_MEM>,
1327 def MOV32ao32 : Ii32<0xA1, RawFrmMemOffs, (outs), (ins offset32_32:$src),
1328 "mov{l}\t{$src, %eax|eax, $src}", [], IIC_MOV_MEM>,
1331 def MOV64ao32 : RIi32<0xA1, RawFrmMemOffs, (outs), (ins offset32_64:$src),
1332 "mov{q}\t{$src, %rax|rax, $src}", [], IIC_MOV_MEM>,
1336 def MOV8ao16 : Ii16<0xA0, RawFrmMemOffs, (outs), (ins offset16_8:$src),
1337 "mov{b}\t{$src, %al|al, $src}", [], IIC_MOV_MEM>, AdSize16;
1339 def MOV16ao16 : Ii16<0xA1, RawFrmMemOffs, (outs), (ins offset16_16:$src),
1340 "mov{w}\t{$src, %ax|ax, $src}", [], IIC_MOV_MEM>,
1343 def MOV32ao16 : Ii16<0xA1, RawFrmMemOffs, (outs), (ins offset16_32:$src),
1344 "mov{l}\t{$src, %eax|eax, $src}", [], IIC_MOV_MEM>,
1347 let mayStore = 1 in {
1349 def MOV8o32a : Ii32<0xA2, RawFrmMemOffs, (outs offset32_8:$dst), (ins),
1350 "mov{b}\t{%al, $dst|$dst, al}", [], IIC_MOV_MEM>, AdSize32;
1352 def MOV16o32a : Ii32<0xA3, RawFrmMemOffs, (outs offset32_16:$dst), (ins),
1353 "mov{w}\t{%ax, $dst|$dst, ax}", [], IIC_MOV_MEM>,
1356 def MOV32o32a : Ii32<0xA3, RawFrmMemOffs, (outs offset32_32:$dst), (ins),
1357 "mov{l}\t{%eax, $dst|$dst, eax}", [], IIC_MOV_MEM>,
1360 def MOV64o32a : RIi32<0xA3, RawFrmMemOffs, (outs offset32_64:$dst), (ins),
1361 "mov{q}\t{%rax, $dst|$dst, rax}", [], IIC_MOV_MEM>,
1365 def MOV8o16a : Ii16<0xA2, RawFrmMemOffs, (outs offset16_8:$dst), (ins),
1366 "mov{b}\t{%al, $dst|$dst, al}", [], IIC_MOV_MEM>, AdSize16;
1368 def MOV16o16a : Ii16<0xA3, RawFrmMemOffs, (outs offset16_16:$dst), (ins),
1369 "mov{w}\t{%ax, $dst|$dst, ax}", [], IIC_MOV_MEM>,
1372 def MOV32o16a : Ii16<0xA3, RawFrmMemOffs, (outs offset16_32:$dst), (ins),
1373 "mov{l}\t{%eax, $dst|$dst, eax}", [], IIC_MOV_MEM>,
1378 // These forms all have full 64-bit absolute addresses in their instructions
1379 // and use the movabs mnemonic to indicate this specific form.
1380 let mayLoad = 1 in {
1382 def MOV8ao64 : RIi64_NOREX<0xA0, RawFrmMemOffs, (outs), (ins offset64_8:$src),
1383 "movabs{b}\t{$src, %al|al, $src}", []>, AdSize64;
1385 def MOV16ao64 : RIi64_NOREX<0xA1, RawFrmMemOffs, (outs), (ins offset64_16:$src),
1386 "movabs{w}\t{$src, %ax|ax, $src}", []>, OpSize16, AdSize64;
1388 def MOV32ao64 : RIi64_NOREX<0xA1, RawFrmMemOffs, (outs), (ins offset64_32:$src),
1389 "movabs{l}\t{$src, %eax|eax, $src}", []>, OpSize32,
1392 def MOV64ao64 : RIi64<0xA1, RawFrmMemOffs, (outs), (ins offset64_64:$src),
1393 "movabs{q}\t{$src, %rax|rax, $src}", []>, AdSize64;
1396 let mayStore = 1 in {
1398 def MOV8o64a : RIi64_NOREX<0xA2, RawFrmMemOffs, (outs offset64_8:$dst), (ins),
1399 "movabs{b}\t{%al, $dst|$dst, al}", []>, AdSize64;
1401 def MOV16o64a : RIi64_NOREX<0xA3, RawFrmMemOffs, (outs offset64_16:$dst), (ins),
1402 "movabs{w}\t{%ax, $dst|$dst, ax}", []>, OpSize16, AdSize64;
1404 def MOV32o64a : RIi64_NOREX<0xA3, RawFrmMemOffs, (outs offset64_32:$dst), (ins),
1405 "movabs{l}\t{%eax, $dst|$dst, eax}", []>, OpSize32,
1408 def MOV64o64a : RIi64<0xA3, RawFrmMemOffs, (outs offset64_64:$dst), (ins),
1409 "movabs{q}\t{%rax, $dst|$dst, rax}", []>, AdSize64;
1411 } // hasSideEffects = 0
1413 let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0,
1414 SchedRW = [WriteMove] in {
1415 def MOV8rr_REV : I<0x8A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src),
1416 "mov{b}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1417 def MOV16rr_REV : I<0x8B, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1418 "mov{w}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize16;
1419 def MOV32rr_REV : I<0x8B, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1420 "mov{l}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize32;
1421 def MOV64rr_REV : RI<0x8B, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1422 "mov{q}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1425 let canFoldAsLoad = 1, isReMaterializable = 1, SchedRW = [WriteLoad] in {
1426 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
1427 "mov{b}\t{$src, $dst|$dst, $src}",
1428 [(set GR8:$dst, (loadi8 addr:$src))], IIC_MOV_MEM>;
1429 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1430 "mov{w}\t{$src, $dst|$dst, $src}",
1431 [(set GR16:$dst, (loadi16 addr:$src))], IIC_MOV_MEM>, OpSize16;
1432 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1433 "mov{l}\t{$src, $dst|$dst, $src}",
1434 [(set GR32:$dst, (loadi32 addr:$src))], IIC_MOV_MEM>, OpSize32;
1435 def MOV64rm : RI<0x8B, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1436 "mov{q}\t{$src, $dst|$dst, $src}",
1437 [(set GR64:$dst, (load addr:$src))], IIC_MOV_MEM>;
1440 let SchedRW = [WriteStore] in {
1441 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
1442 "mov{b}\t{$src, $dst|$dst, $src}",
1443 [(store GR8:$src, addr:$dst)], IIC_MOV_MEM>;
1444 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1445 "mov{w}\t{$src, $dst|$dst, $src}",
1446 [(store GR16:$src, addr:$dst)], IIC_MOV_MEM>, OpSize16;
1447 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1448 "mov{l}\t{$src, $dst|$dst, $src}",
1449 [(store GR32:$src, addr:$dst)], IIC_MOV_MEM>, OpSize32;
1450 def MOV64mr : RI<0x89, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
1451 "mov{q}\t{$src, $dst|$dst, $src}",
1452 [(store GR64:$src, addr:$dst)], IIC_MOV_MEM>;
1455 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
1456 // that they can be used for copying and storing h registers, which can't be
1457 // encoded when a REX prefix is present.
1458 let isCodeGenOnly = 1 in {
1459 let hasSideEffects = 0 in
1460 def MOV8rr_NOREX : I<0x88, MRMDestReg,
1461 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
1462 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [], IIC_MOV>,
1464 let mayStore = 1, hasSideEffects = 0 in
1465 def MOV8mr_NOREX : I<0x88, MRMDestMem,
1466 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
1467 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [],
1468 IIC_MOV_MEM>, Sched<[WriteStore]>;
1469 let mayLoad = 1, hasSideEffects = 0,
1470 canFoldAsLoad = 1, isReMaterializable = 1 in
1471 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
1472 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
1473 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [],
1474 IIC_MOV_MEM>, Sched<[WriteLoad]>;
1478 // Condition code ops, incl. set if equal/not equal/...
1479 let SchedRW = [WriteALU] in {
1480 let Defs = [EFLAGS], Uses = [AH] in
1481 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf",
1482 [(set EFLAGS, (X86sahf AH))], IIC_AHF>;
1483 let Defs = [AH], Uses = [EFLAGS], hasSideEffects = 0 in
1484 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", [],
1485 IIC_AHF>; // AH = flags
1488 //===----------------------------------------------------------------------===//
1489 // Bit tests instructions: BT, BTS, BTR, BTC.
1491 let Defs = [EFLAGS] in {
1492 let SchedRW = [WriteALU] in {
1493 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
1494 "bt{w}\t{$src2, $src1|$src1, $src2}",
1495 [(set EFLAGS, (X86bt GR16:$src1, GR16:$src2))], IIC_BT_RR>,
1497 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
1498 "bt{l}\t{$src2, $src1|$src1, $src2}",
1499 [(set EFLAGS, (X86bt GR32:$src1, GR32:$src2))], IIC_BT_RR>,
1501 def BT64rr : RI<0xA3, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
1502 "bt{q}\t{$src2, $src1|$src1, $src2}",
1503 [(set EFLAGS, (X86bt GR64:$src1, GR64:$src2))], IIC_BT_RR>, TB;
1506 // Unlike with the register+register form, the memory+register form of the
1507 // bt instruction does not ignore the high bits of the index. From ISel's
1508 // perspective, this is pretty bizarre. Make these instructions disassembly
1511 let mayLoad = 1, hasSideEffects = 0, SchedRW = [WriteALULd] in {
1512 def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
1513 "bt{w}\t{$src2, $src1|$src1, $src2}",
1514 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
1515 // (implicit EFLAGS)]
1517 >, OpSize16, TB, Requires<[FastBTMem]>;
1518 def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
1519 "bt{l}\t{$src2, $src1|$src1, $src2}",
1520 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
1521 // (implicit EFLAGS)]
1523 >, OpSize32, TB, Requires<[FastBTMem]>;
1524 def BT64mr : RI<0xA3, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
1525 "bt{q}\t{$src2, $src1|$src1, $src2}",
1526 // [(X86bt (loadi64 addr:$src1), GR64:$src2),
1527 // (implicit EFLAGS)]
1532 let SchedRW = [WriteALU] in {
1533 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
1534 "bt{w}\t{$src2, $src1|$src1, $src2}",
1535 [(set EFLAGS, (X86bt GR16:$src1, i16immSExt8:$src2))],
1536 IIC_BT_RI>, OpSize16, TB;
1537 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
1538 "bt{l}\t{$src2, $src1|$src1, $src2}",
1539 [(set EFLAGS, (X86bt GR32:$src1, i32immSExt8:$src2))],
1540 IIC_BT_RI>, OpSize32, TB;
1541 def BT64ri8 : RIi8<0xBA, MRM4r, (outs), (ins GR64:$src1, i64i8imm:$src2),
1542 "bt{q}\t{$src2, $src1|$src1, $src2}",
1543 [(set EFLAGS, (X86bt GR64:$src1, i64immSExt8:$src2))],
1547 // Note that these instructions don't need FastBTMem because that
1548 // only applies when the other operand is in a register. When it's
1549 // an immediate, bt is still fast.
1550 let SchedRW = [WriteALU] in {
1551 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
1552 "bt{w}\t{$src2, $src1|$src1, $src2}",
1553 [(set EFLAGS, (X86bt (loadi16 addr:$src1), i16immSExt8:$src2))
1554 ], IIC_BT_MI>, OpSize16, TB;
1555 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
1556 "bt{l}\t{$src2, $src1|$src1, $src2}",
1557 [(set EFLAGS, (X86bt (loadi32 addr:$src1), i32immSExt8:$src2))
1558 ], IIC_BT_MI>, OpSize32, TB;
1559 def BT64mi8 : RIi8<0xBA, MRM4m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
1560 "bt{q}\t{$src2, $src1|$src1, $src2}",
1561 [(set EFLAGS, (X86bt (loadi64 addr:$src1),
1562 i64immSExt8:$src2))], IIC_BT_MI>, TB;
1565 let hasSideEffects = 0 in {
1566 let SchedRW = [WriteALU] in {
1567 def BTC16rr : I<0xBB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
1568 "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1570 def BTC32rr : I<0xBB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
1571 "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1573 def BTC64rr : RI<0xBB, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
1574 "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>, TB;
1577 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1578 def BTC16mr : I<0xBB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
1579 "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1581 def BTC32mr : I<0xBB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
1582 "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1584 def BTC64mr : RI<0xBB, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
1585 "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, TB;
1588 let SchedRW = [WriteALU] in {
1589 def BTC16ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR16:$src1, i16i8imm:$src2),
1590 "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1592 def BTC32ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR32:$src1, i32i8imm:$src2),
1593 "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1595 def BTC64ri8 : RIi8<0xBA, MRM7r, (outs), (ins GR64:$src1, i64i8imm:$src2),
1596 "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, TB;
1599 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1600 def BTC16mi8 : Ii8<0xBA, MRM7m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
1601 "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1603 def BTC32mi8 : Ii8<0xBA, MRM7m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
1604 "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1606 def BTC64mi8 : RIi8<0xBA, MRM7m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
1607 "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, TB;
1610 let SchedRW = [WriteALU] in {
1611 def BTR16rr : I<0xB3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
1612 "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1614 def BTR32rr : I<0xB3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
1615 "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1617 def BTR64rr : RI<0xB3, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
1618 "btr{q}\t{$src2, $src1|$src1, $src2}", []>, TB;
1621 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1622 def BTR16mr : I<0xB3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
1623 "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1625 def BTR32mr : I<0xB3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
1626 "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1628 def BTR64mr : RI<0xB3, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
1629 "btr{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, TB;
1632 let SchedRW = [WriteALU] in {
1633 def BTR16ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR16:$src1, i16i8imm:$src2),
1634 "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1636 def BTR32ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR32:$src1, i32i8imm:$src2),
1637 "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1639 def BTR64ri8 : RIi8<0xBA, MRM6r, (outs), (ins GR64:$src1, i64i8imm:$src2),
1640 "btr{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, TB;
1643 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1644 def BTR16mi8 : Ii8<0xBA, MRM6m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
1645 "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1647 def BTR32mi8 : Ii8<0xBA, MRM6m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
1648 "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1650 def BTR64mi8 : RIi8<0xBA, MRM6m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
1651 "btr{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, TB;
1654 let SchedRW = [WriteALU] in {
1655 def BTS16rr : I<0xAB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
1656 "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1658 def BTS32rr : I<0xAB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
1659 "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1661 def BTS64rr : RI<0xAB, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
1662 "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>, TB;
1665 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1666 def BTS16mr : I<0xAB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
1667 "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1669 def BTS32mr : I<0xAB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
1670 "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1672 def BTS64mr : RI<0xAB, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
1673 "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, TB;
1676 let SchedRW = [WriteALU] in {
1677 def BTS16ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR16:$src1, i16i8imm:$src2),
1678 "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1680 def BTS32ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR32:$src1, i32i8imm:$src2),
1681 "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1683 def BTS64ri8 : RIi8<0xBA, MRM5r, (outs), (ins GR64:$src1, i64i8imm:$src2),
1684 "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, TB;
1687 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1688 def BTS16mi8 : Ii8<0xBA, MRM5m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
1689 "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1691 def BTS32mi8 : Ii8<0xBA, MRM5m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
1692 "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1694 def BTS64mi8 : RIi8<0xBA, MRM5m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
1695 "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, TB;
1697 } // hasSideEffects = 0
1698 } // Defs = [EFLAGS]
1701 //===----------------------------------------------------------------------===//
1705 // Atomic swap. These are just normal xchg instructions. But since a memory
1706 // operand is referenced, the atomicity is ensured.
1707 multiclass ATOMIC_SWAP<bits<8> opc8, bits<8> opc, string mnemonic, string frag,
1708 InstrItinClass itin> {
1709 let Constraints = "$val = $dst", SchedRW = [WriteALULd, WriteRMW] in {
1710 def NAME#8rm : I<opc8, MRMSrcMem, (outs GR8:$dst),
1711 (ins GR8:$val, i8mem:$ptr),
1712 !strconcat(mnemonic, "{b}\t{$val, $ptr|$ptr, $val}"),
1715 (!cast<PatFrag>(frag # "_8") addr:$ptr, GR8:$val))],
1717 def NAME#16rm : I<opc, MRMSrcMem, (outs GR16:$dst),
1718 (ins GR16:$val, i16mem:$ptr),
1719 !strconcat(mnemonic, "{w}\t{$val, $ptr|$ptr, $val}"),
1722 (!cast<PatFrag>(frag # "_16") addr:$ptr, GR16:$val))],
1724 def NAME#32rm : I<opc, MRMSrcMem, (outs GR32:$dst),
1725 (ins GR32:$val, i32mem:$ptr),
1726 !strconcat(mnemonic, "{l}\t{$val, $ptr|$ptr, $val}"),
1729 (!cast<PatFrag>(frag # "_32") addr:$ptr, GR32:$val))],
1731 def NAME#64rm : RI<opc, MRMSrcMem, (outs GR64:$dst),
1732 (ins GR64:$val, i64mem:$ptr),
1733 !strconcat(mnemonic, "{q}\t{$val, $ptr|$ptr, $val}"),
1736 (!cast<PatFrag>(frag # "_64") addr:$ptr, GR64:$val))],
1741 defm XCHG : ATOMIC_SWAP<0x86, 0x87, "xchg", "atomic_swap", IIC_XCHG_MEM>;
1743 // Swap between registers.
1744 let SchedRW = [WriteALU] in {
1745 let Constraints = "$val = $dst" in {
1746 def XCHG8rr : I<0x86, MRMSrcReg, (outs GR8:$dst), (ins GR8:$val, GR8:$src),
1747 "xchg{b}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>;
1748 def XCHG16rr : I<0x87, MRMSrcReg, (outs GR16:$dst), (ins GR16:$val, GR16:$src),
1749 "xchg{w}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>,
1751 def XCHG32rr : I<0x87, MRMSrcReg, (outs GR32:$dst), (ins GR32:$val, GR32:$src),
1752 "xchg{l}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>,
1754 def XCHG64rr : RI<0x87, MRMSrcReg, (outs GR64:$dst), (ins GR64:$val,GR64:$src),
1755 "xchg{q}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>;
1758 // Swap between EAX and other registers.
1759 let Uses = [AX], Defs = [AX] in
1760 def XCHG16ar : I<0x90, AddRegFrm, (outs), (ins GR16:$src),
1761 "xchg{w}\t{$src, %ax|ax, $src}", [], IIC_XCHG_REG>, OpSize16;
1762 let Uses = [EAX], Defs = [EAX] in
1763 def XCHG32ar : I<0x90, AddRegFrm, (outs), (ins GR32:$src),
1764 "xchg{l}\t{$src, %eax|eax, $src}", [], IIC_XCHG_REG>,
1765 OpSize32, Requires<[Not64BitMode]>;
1766 let Uses = [EAX], Defs = [EAX] in
1767 // Uses GR32_NOAX in 64-bit mode to prevent encoding using the 0x90 NOP encoding.
1768 // xchg %eax, %eax needs to clear upper 32-bits of RAX so is not a NOP.
1769 def XCHG32ar64 : I<0x90, AddRegFrm, (outs), (ins GR32_NOAX:$src),
1770 "xchg{l}\t{$src, %eax|eax, $src}", [], IIC_XCHG_REG>,
1771 OpSize32, Requires<[In64BitMode]>;
1772 let Uses = [RAX], Defs = [RAX] in
1773 def XCHG64ar : RI<0x90, AddRegFrm, (outs), (ins GR64:$src),
1774 "xchg{q}\t{$src, %rax|rax, $src}", [], IIC_XCHG_REG>;
1777 let SchedRW = [WriteALU] in {
1778 def XADD8rr : I<0xC0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
1779 "xadd{b}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB;
1780 def XADD16rr : I<0xC1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1781 "xadd{w}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB,
1783 def XADD32rr : I<0xC1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
1784 "xadd{l}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB,
1786 def XADD64rr : RI<0xC1, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
1787 "xadd{q}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB;
1790 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1791 def XADD8rm : I<0xC0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1792 "xadd{b}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB;
1793 def XADD16rm : I<0xC1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1794 "xadd{w}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB,
1796 def XADD32rm : I<0xC1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1797 "xadd{l}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB,
1799 def XADD64rm : RI<0xC1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
1800 "xadd{q}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB;
1804 let SchedRW = [WriteALU] in {
1805 def CMPXCHG8rr : I<0xB0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
1806 "cmpxchg{b}\t{$src, $dst|$dst, $src}", [],
1807 IIC_CMPXCHG_REG8>, TB;
1808 def CMPXCHG16rr : I<0xB1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1809 "cmpxchg{w}\t{$src, $dst|$dst, $src}", [],
1810 IIC_CMPXCHG_REG>, TB, OpSize16;
1811 def CMPXCHG32rr : I<0xB1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
1812 "cmpxchg{l}\t{$src, $dst|$dst, $src}", [],
1813 IIC_CMPXCHG_REG>, TB, OpSize32;
1814 def CMPXCHG64rr : RI<0xB1, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
1815 "cmpxchg{q}\t{$src, $dst|$dst, $src}", [],
1816 IIC_CMPXCHG_REG>, TB;
1819 let SchedRW = [WriteALULd, WriteRMW] in {
1820 let mayLoad = 1, mayStore = 1 in {
1821 def CMPXCHG8rm : I<0xB0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1822 "cmpxchg{b}\t{$src, $dst|$dst, $src}", [],
1823 IIC_CMPXCHG_MEM8>, TB;
1824 def CMPXCHG16rm : I<0xB1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1825 "cmpxchg{w}\t{$src, $dst|$dst, $src}", [],
1826 IIC_CMPXCHG_MEM>, TB, OpSize16;
1827 def CMPXCHG32rm : I<0xB1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1828 "cmpxchg{l}\t{$src, $dst|$dst, $src}", [],
1829 IIC_CMPXCHG_MEM>, TB, OpSize32;
1830 def CMPXCHG64rm : RI<0xB1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
1831 "cmpxchg{q}\t{$src, $dst|$dst, $src}", [],
1832 IIC_CMPXCHG_MEM>, TB;
1835 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in
1836 def CMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$dst),
1837 "cmpxchg8b\t$dst", [], IIC_CMPXCHG_8B>, TB;
1839 let Defs = [RAX, RDX, EFLAGS], Uses = [RAX, RBX, RCX, RDX] in
1840 def CMPXCHG16B : RI<0xC7, MRM1m, (outs), (ins i128mem:$dst),
1841 "cmpxchg16b\t$dst", [], IIC_CMPXCHG_16B>,
1842 TB, Requires<[HasCmpxchg16b]>;
1846 // Lock instruction prefix
1847 def LOCK_PREFIX : I<0xF0, RawFrm, (outs), (ins), "lock", []>;
1849 // Rex64 instruction prefix
1850 def REX64_PREFIX : I<0x48, RawFrm, (outs), (ins), "rex64", []>,
1851 Requires<[In64BitMode]>;
1853 // Data16 instruction prefix
1854 def DATA16_PREFIX : I<0x66, RawFrm, (outs), (ins), "data16", []>;
1856 // Repeat string operation instruction prefixes
1857 // These uses the DF flag in the EFLAGS register to inc or dec ECX
1858 let Defs = [ECX], Uses = [ECX,EFLAGS] in {
1859 // Repeat (used with INS, OUTS, MOVS, LODS and STOS)
1860 def REP_PREFIX : I<0xF3, RawFrm, (outs), (ins), "rep", []>;
1861 // Repeat while not equal (used with CMPS and SCAS)
1862 def REPNE_PREFIX : I<0xF2, RawFrm, (outs), (ins), "repne", []>;
1866 // String manipulation instructions
1867 let SchedRW = [WriteMicrocoded] in {
1868 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1869 let Defs = [AL,ESI], Uses = [ESI,EFLAGS] in
1870 def LODSB : I<0xAC, RawFrmSrc, (outs), (ins srcidx8:$src),
1871 "lodsb\t{$src, %al|al, $src}", [], IIC_LODS>;
1872 let Defs = [AX,ESI], Uses = [ESI,EFLAGS] in
1873 def LODSW : I<0xAD, RawFrmSrc, (outs), (ins srcidx16:$src),
1874 "lodsw\t{$src, %ax|ax, $src}", [], IIC_LODS>, OpSize16;
1875 let Defs = [EAX,ESI], Uses = [ESI,EFLAGS] in
1876 def LODSL : I<0xAD, RawFrmSrc, (outs), (ins srcidx32:$src),
1877 "lods{l|d}\t{$src, %eax|eax, $src}", [], IIC_LODS>, OpSize32;
1878 let Defs = [RAX,ESI], Uses = [ESI,EFLAGS] in
1879 def LODSQ : RI<0xAD, RawFrmSrc, (outs), (ins srcidx64:$src),
1880 "lodsq\t{$src, %rax|rax, $src}", [], IIC_LODS>;
1883 let SchedRW = [WriteSystem] in {
1884 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1885 let Defs = [ESI], Uses = [DX,ESI,EFLAGS] in {
1886 def OUTSB : I<0x6E, RawFrmSrc, (outs), (ins srcidx8:$src),
1887 "outsb\t{$src, %dx|dx, $src}", [], IIC_OUTS>;
1888 def OUTSW : I<0x6F, RawFrmSrc, (outs), (ins srcidx16:$src),
1889 "outsw\t{$src, %dx|dx, $src}", [], IIC_OUTS>, OpSize16;
1890 def OUTSL : I<0x6F, RawFrmSrc, (outs), (ins srcidx32:$src),
1891 "outs{l|d}\t{$src, %dx|dx, $src}", [], IIC_OUTS>, OpSize32;
1894 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1895 let Defs = [EDI], Uses = [DX,EDI,EFLAGS] in {
1896 def INSB : I<0x6C, RawFrmDst, (outs dstidx8:$dst), (ins),
1897 "insb\t{%dx, $dst|$dst, dx}", [], IIC_INS>;
1898 def INSW : I<0x6D, RawFrmDst, (outs dstidx16:$dst), (ins),
1899 "insw\t{%dx, $dst|$dst, dx}", [], IIC_INS>, OpSize16;
1900 def INSL : I<0x6D, RawFrmDst, (outs dstidx32:$dst), (ins),
1901 "ins{l|d}\t{%dx, $dst|$dst, dx}", [], IIC_INS>, OpSize32;
1905 // Flag instructions
1906 let SchedRW = [WriteALU] in {
1907 def CLC : I<0xF8, RawFrm, (outs), (ins), "clc", [], IIC_CLC>;
1908 def STC : I<0xF9, RawFrm, (outs), (ins), "stc", [], IIC_STC>;
1909 def CLI : I<0xFA, RawFrm, (outs), (ins), "cli", [], IIC_CLI>;
1910 def STI : I<0xFB, RawFrm, (outs), (ins), "sti", [], IIC_STI>;
1911 def CLD : I<0xFC, RawFrm, (outs), (ins), "cld", [], IIC_CLD>;
1912 def STD : I<0xFD, RawFrm, (outs), (ins), "std", [], IIC_STD>;
1913 def CMC : I<0xF5, RawFrm, (outs), (ins), "cmc", [], IIC_CMC>;
1915 def CLTS : I<0x06, RawFrm, (outs), (ins), "clts", [], IIC_CLTS>, TB;
1918 // Table lookup instructions
1919 def XLAT : I<0xD7, RawFrm, (outs), (ins), "xlatb", [], IIC_XLAT>,
1922 let SchedRW = [WriteMicrocoded] in {
1923 // ASCII Adjust After Addition
1924 // sets AL, AH and CF and AF of EFLAGS and uses AL and AF of EFLAGS
1925 def AAA : I<0x37, RawFrm, (outs), (ins), "aaa", [], IIC_AAA>,
1926 Requires<[Not64BitMode]>;
1928 // ASCII Adjust AX Before Division
1929 // sets AL, AH and EFLAGS and uses AL and AH
1930 def AAD8i8 : Ii8<0xD5, RawFrm, (outs), (ins i8imm:$src),
1931 "aad\t$src", [], IIC_AAD>, Requires<[Not64BitMode]>;
1933 // ASCII Adjust AX After Multiply
1934 // sets AL, AH and EFLAGS and uses AL
1935 def AAM8i8 : Ii8<0xD4, RawFrm, (outs), (ins i8imm:$src),
1936 "aam\t$src", [], IIC_AAM>, Requires<[Not64BitMode]>;
1938 // ASCII Adjust AL After Subtraction - sets
1939 // sets AL, AH and CF and AF of EFLAGS and uses AL and AF of EFLAGS
1940 def AAS : I<0x3F, RawFrm, (outs), (ins), "aas", [], IIC_AAS>,
1941 Requires<[Not64BitMode]>;
1943 // Decimal Adjust AL after Addition
1944 // sets AL, CF and AF of EFLAGS and uses AL, CF and AF of EFLAGS
1945 def DAA : I<0x27, RawFrm, (outs), (ins), "daa", [], IIC_DAA>,
1946 Requires<[Not64BitMode]>;
1948 // Decimal Adjust AL after Subtraction
1949 // sets AL, CF and AF of EFLAGS and uses AL, CF and AF of EFLAGS
1950 def DAS : I<0x2F, RawFrm, (outs), (ins), "das", [], IIC_DAS>,
1951 Requires<[Not64BitMode]>;
1954 let SchedRW = [WriteSystem] in {
1955 // Check Array Index Against Bounds
1956 def BOUNDS16rm : I<0x62, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1957 "bound\t{$src, $dst|$dst, $src}", [], IIC_BOUND>, OpSize16,
1958 Requires<[Not64BitMode]>;
1959 def BOUNDS32rm : I<0x62, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1960 "bound\t{$src, $dst|$dst, $src}", [], IIC_BOUND>, OpSize32,
1961 Requires<[Not64BitMode]>;
1963 // Adjust RPL Field of Segment Selector
1964 def ARPL16rr : I<0x63, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1965 "arpl\t{$src, $dst|$dst, $src}", [], IIC_ARPL_REG>,
1966 Requires<[Not64BitMode]>;
1967 def ARPL16mr : I<0x63, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1968 "arpl\t{$src, $dst|$dst, $src}", [], IIC_ARPL_MEM>,
1969 Requires<[Not64BitMode]>;
1972 //===----------------------------------------------------------------------===//
1973 // MOVBE Instructions
1975 let Predicates = [HasMOVBE] in {
1976 let SchedRW = [WriteALULd] in {
1977 def MOVBE16rm : I<0xF0, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1978 "movbe{w}\t{$src, $dst|$dst, $src}",
1979 [(set GR16:$dst, (bswap (loadi16 addr:$src)))], IIC_MOVBE>,
1981 def MOVBE32rm : I<0xF0, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1982 "movbe{l}\t{$src, $dst|$dst, $src}",
1983 [(set GR32:$dst, (bswap (loadi32 addr:$src)))], IIC_MOVBE>,
1985 def MOVBE64rm : RI<0xF0, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1986 "movbe{q}\t{$src, $dst|$dst, $src}",
1987 [(set GR64:$dst, (bswap (loadi64 addr:$src)))], IIC_MOVBE>,
1990 let SchedRW = [WriteStore] in {
1991 def MOVBE16mr : I<0xF1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1992 "movbe{w}\t{$src, $dst|$dst, $src}",
1993 [(store (bswap GR16:$src), addr:$dst)], IIC_MOVBE>,
1995 def MOVBE32mr : I<0xF1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1996 "movbe{l}\t{$src, $dst|$dst, $src}",
1997 [(store (bswap GR32:$src), addr:$dst)], IIC_MOVBE>,
1999 def MOVBE64mr : RI<0xF1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
2000 "movbe{q}\t{$src, $dst|$dst, $src}",
2001 [(store (bswap GR64:$src), addr:$dst)], IIC_MOVBE>,
2006 //===----------------------------------------------------------------------===//
2007 // RDRAND Instruction
2009 let Predicates = [HasRDRAND], Defs = [EFLAGS] in {
2010 def RDRAND16r : I<0xC7, MRM6r, (outs GR16:$dst), (ins),
2012 [(set GR16:$dst, EFLAGS, (X86rdrand))]>, OpSize16, TB;
2013 def RDRAND32r : I<0xC7, MRM6r, (outs GR32:$dst), (ins),
2015 [(set GR32:$dst, EFLAGS, (X86rdrand))]>, OpSize32, TB;
2016 def RDRAND64r : RI<0xC7, MRM6r, (outs GR64:$dst), (ins),
2018 [(set GR64:$dst, EFLAGS, (X86rdrand))]>, TB;
2021 //===----------------------------------------------------------------------===//
2022 // RDSEED Instruction
2024 let Predicates = [HasRDSEED], Defs = [EFLAGS] in {
2025 def RDSEED16r : I<0xC7, MRM7r, (outs GR16:$dst), (ins),
2027 [(set GR16:$dst, EFLAGS, (X86rdseed))]>, OpSize16, TB;
2028 def RDSEED32r : I<0xC7, MRM7r, (outs GR32:$dst), (ins),
2030 [(set GR32:$dst, EFLAGS, (X86rdseed))]>, OpSize32, TB;
2031 def RDSEED64r : RI<0xC7, MRM7r, (outs GR64:$dst), (ins),
2033 [(set GR64:$dst, EFLAGS, (X86rdseed))]>, TB;
2036 //===----------------------------------------------------------------------===//
2037 // LZCNT Instruction
2039 let Predicates = [HasLZCNT], Defs = [EFLAGS] in {
2040 def LZCNT16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
2041 "lzcnt{w}\t{$src, $dst|$dst, $src}",
2042 [(set GR16:$dst, (ctlz GR16:$src)), (implicit EFLAGS)]>, XS,
2044 def LZCNT16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
2045 "lzcnt{w}\t{$src, $dst|$dst, $src}",
2046 [(set GR16:$dst, (ctlz (loadi16 addr:$src))),
2047 (implicit EFLAGS)]>, XS, OpSize16;
2049 def LZCNT32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
2050 "lzcnt{l}\t{$src, $dst|$dst, $src}",
2051 [(set GR32:$dst, (ctlz GR32:$src)), (implicit EFLAGS)]>, XS,
2053 def LZCNT32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
2054 "lzcnt{l}\t{$src, $dst|$dst, $src}",
2055 [(set GR32:$dst, (ctlz (loadi32 addr:$src))),
2056 (implicit EFLAGS)]>, XS, OpSize32;
2058 def LZCNT64rr : RI<0xBD, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
2059 "lzcnt{q}\t{$src, $dst|$dst, $src}",
2060 [(set GR64:$dst, (ctlz GR64:$src)), (implicit EFLAGS)]>,
2062 def LZCNT64rm : RI<0xBD, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
2063 "lzcnt{q}\t{$src, $dst|$dst, $src}",
2064 [(set GR64:$dst, (ctlz (loadi64 addr:$src))),
2065 (implicit EFLAGS)]>, XS;
2068 let Predicates = [HasLZCNT] in {
2069 def : Pat<(X86cmov (ctlz GR16:$src), (i16 16), (X86_COND_E_OR_NE),
2070 (X86cmp GR16:$src, (i16 0))),
2071 (LZCNT16rr GR16:$src)>;
2072 def : Pat<(X86cmov (ctlz GR32:$src), (i32 32), (X86_COND_E_OR_NE),
2073 (X86cmp GR32:$src, (i32 0))),
2074 (LZCNT32rr GR32:$src)>;
2075 def : Pat<(X86cmov (ctlz GR64:$src), (i64 64), (X86_COND_E_OR_NE),
2076 (X86cmp GR64:$src, (i64 0))),
2077 (LZCNT64rr GR64:$src)>;
2078 def : Pat<(X86cmov (i16 16), (ctlz GR16:$src), (X86_COND_E_OR_NE),
2079 (X86cmp GR16:$src, (i16 0))),
2080 (LZCNT16rr GR16:$src)>;
2081 def : Pat<(X86cmov (i32 32), (ctlz GR32:$src), (X86_COND_E_OR_NE),
2082 (X86cmp GR32:$src, (i32 0))),
2083 (LZCNT32rr GR32:$src)>;
2084 def : Pat<(X86cmov (i64 64), (ctlz GR64:$src), (X86_COND_E_OR_NE),
2085 (X86cmp GR64:$src, (i64 0))),
2086 (LZCNT64rr GR64:$src)>;
2088 def : Pat<(X86cmov (ctlz (loadi16 addr:$src)), (i16 16), (X86_COND_E_OR_NE),
2089 (X86cmp (loadi16 addr:$src), (i16 0))),
2090 (LZCNT16rm addr:$src)>;
2091 def : Pat<(X86cmov (ctlz (loadi32 addr:$src)), (i32 32), (X86_COND_E_OR_NE),
2092 (X86cmp (loadi32 addr:$src), (i32 0))),
2093 (LZCNT32rm addr:$src)>;
2094 def : Pat<(X86cmov (ctlz (loadi64 addr:$src)), (i64 64), (X86_COND_E_OR_NE),
2095 (X86cmp (loadi64 addr:$src), (i64 0))),
2096 (LZCNT64rm addr:$src)>;
2097 def : Pat<(X86cmov (i16 16), (ctlz (loadi16 addr:$src)), (X86_COND_E_OR_NE),
2098 (X86cmp (loadi16 addr:$src), (i16 0))),
2099 (LZCNT16rm addr:$src)>;
2100 def : Pat<(X86cmov (i32 32), (ctlz (loadi32 addr:$src)), (X86_COND_E_OR_NE),
2101 (X86cmp (loadi32 addr:$src), (i32 0))),
2102 (LZCNT32rm addr:$src)>;
2103 def : Pat<(X86cmov (i64 64), (ctlz (loadi64 addr:$src)), (X86_COND_E_OR_NE),
2104 (X86cmp (loadi64 addr:$src), (i64 0))),
2105 (LZCNT64rm addr:$src)>;
2108 //===----------------------------------------------------------------------===//
2111 let Predicates = [HasBMI], Defs = [EFLAGS] in {
2112 def TZCNT16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
2113 "tzcnt{w}\t{$src, $dst|$dst, $src}",
2114 [(set GR16:$dst, (cttz GR16:$src)), (implicit EFLAGS)]>, XS,
2116 def TZCNT16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
2117 "tzcnt{w}\t{$src, $dst|$dst, $src}",
2118 [(set GR16:$dst, (cttz (loadi16 addr:$src))),
2119 (implicit EFLAGS)]>, XS, OpSize16;
2121 def TZCNT32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
2122 "tzcnt{l}\t{$src, $dst|$dst, $src}",
2123 [(set GR32:$dst, (cttz GR32:$src)), (implicit EFLAGS)]>, XS,
2125 def TZCNT32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
2126 "tzcnt{l}\t{$src, $dst|$dst, $src}",
2127 [(set GR32:$dst, (cttz (loadi32 addr:$src))),
2128 (implicit EFLAGS)]>, XS, OpSize32;
2130 def TZCNT64rr : RI<0xBC, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
2131 "tzcnt{q}\t{$src, $dst|$dst, $src}",
2132 [(set GR64:$dst, (cttz GR64:$src)), (implicit EFLAGS)]>,
2134 def TZCNT64rm : RI<0xBC, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
2135 "tzcnt{q}\t{$src, $dst|$dst, $src}",
2136 [(set GR64:$dst, (cttz (loadi64 addr:$src))),
2137 (implicit EFLAGS)]>, XS;
2140 multiclass bmi_bls<string mnemonic, Format RegMRM, Format MemMRM,
2141 RegisterClass RC, X86MemOperand x86memop> {
2142 let hasSideEffects = 0 in {
2143 def rr : I<0xF3, RegMRM, (outs RC:$dst), (ins RC:$src),
2144 !strconcat(mnemonic, "\t{$src, $dst|$dst, $src}"),
2147 def rm : I<0xF3, MemMRM, (outs RC:$dst), (ins x86memop:$src),
2148 !strconcat(mnemonic, "\t{$src, $dst|$dst, $src}"),
2153 let Predicates = [HasBMI], Defs = [EFLAGS] in {
2154 defm BLSR32 : bmi_bls<"blsr{l}", MRM1r, MRM1m, GR32, i32mem>;
2155 defm BLSR64 : bmi_bls<"blsr{q}", MRM1r, MRM1m, GR64, i64mem>, VEX_W;
2156 defm BLSMSK32 : bmi_bls<"blsmsk{l}", MRM2r, MRM2m, GR32, i32mem>;
2157 defm BLSMSK64 : bmi_bls<"blsmsk{q}", MRM2r, MRM2m, GR64, i64mem>, VEX_W;
2158 defm BLSI32 : bmi_bls<"blsi{l}", MRM3r, MRM3m, GR32, i32mem>;
2159 defm BLSI64 : bmi_bls<"blsi{q}", MRM3r, MRM3m, GR64, i64mem>, VEX_W;
2162 //===----------------------------------------------------------------------===//
2163 // Pattern fragments to auto generate BMI instructions.
2164 //===----------------------------------------------------------------------===//
2166 let Predicates = [HasBMI] in {
2167 // FIXME: patterns for the load versions are not implemented
2168 def : Pat<(and GR32:$src, (add GR32:$src, -1)),
2169 (BLSR32rr GR32:$src)>;
2170 def : Pat<(and GR64:$src, (add GR64:$src, -1)),
2171 (BLSR64rr GR64:$src)>;
2173 def : Pat<(xor GR32:$src, (add GR32:$src, -1)),
2174 (BLSMSK32rr GR32:$src)>;
2175 def : Pat<(xor GR64:$src, (add GR64:$src, -1)),
2176 (BLSMSK64rr GR64:$src)>;
2178 def : Pat<(and GR32:$src, (ineg GR32:$src)),
2179 (BLSI32rr GR32:$src)>;
2180 def : Pat<(and GR64:$src, (ineg GR64:$src)),
2181 (BLSI64rr GR64:$src)>;
2184 let Predicates = [HasBMI] in {
2185 def : Pat<(X86cmov (cttz GR16:$src), (i16 16), (X86_COND_E_OR_NE),
2186 (X86cmp GR16:$src, (i16 0))),
2187 (TZCNT16rr GR16:$src)>;
2188 def : Pat<(X86cmov (cttz GR32:$src), (i32 32), (X86_COND_E_OR_NE),
2189 (X86cmp GR32:$src, (i32 0))),
2190 (TZCNT32rr GR32:$src)>;
2191 def : Pat<(X86cmov (cttz GR64:$src), (i64 64), (X86_COND_E_OR_NE),
2192 (X86cmp GR64:$src, (i64 0))),
2193 (TZCNT64rr GR64:$src)>;
2194 def : Pat<(X86cmov (i16 16), (cttz GR16:$src), (X86_COND_E_OR_NE),
2195 (X86cmp GR16:$src, (i16 0))),
2196 (TZCNT16rr GR16:$src)>;
2197 def : Pat<(X86cmov (i32 32), (cttz GR32:$src), (X86_COND_E_OR_NE),
2198 (X86cmp GR32:$src, (i32 0))),
2199 (TZCNT32rr GR32:$src)>;
2200 def : Pat<(X86cmov (i64 64), (cttz GR64:$src), (X86_COND_E_OR_NE),
2201 (X86cmp GR64:$src, (i64 0))),
2202 (TZCNT64rr GR64:$src)>;
2204 def : Pat<(X86cmov (cttz (loadi16 addr:$src)), (i16 16), (X86_COND_E_OR_NE),
2205 (X86cmp (loadi16 addr:$src), (i16 0))),
2206 (TZCNT16rm addr:$src)>;
2207 def : Pat<(X86cmov (cttz (loadi32 addr:$src)), (i32 32), (X86_COND_E_OR_NE),
2208 (X86cmp (loadi32 addr:$src), (i32 0))),
2209 (TZCNT32rm addr:$src)>;
2210 def : Pat<(X86cmov (cttz (loadi64 addr:$src)), (i64 64), (X86_COND_E_OR_NE),
2211 (X86cmp (loadi64 addr:$src), (i64 0))),
2212 (TZCNT64rm addr:$src)>;
2213 def : Pat<(X86cmov (i16 16), (cttz (loadi16 addr:$src)), (X86_COND_E_OR_NE),
2214 (X86cmp (loadi16 addr:$src), (i16 0))),
2215 (TZCNT16rm addr:$src)>;
2216 def : Pat<(X86cmov (i32 32), (cttz (loadi32 addr:$src)), (X86_COND_E_OR_NE),
2217 (X86cmp (loadi32 addr:$src), (i32 0))),
2218 (TZCNT32rm addr:$src)>;
2219 def : Pat<(X86cmov (i64 64), (cttz (loadi64 addr:$src)), (X86_COND_E_OR_NE),
2220 (X86cmp (loadi64 addr:$src), (i64 0))),
2221 (TZCNT64rm addr:$src)>;
2225 multiclass bmi_bextr_bzhi<bits<8> opc, string mnemonic, RegisterClass RC,
2226 X86MemOperand x86memop, Intrinsic Int,
2228 def rr : I<opc, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, RC:$src2),
2229 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
2230 [(set RC:$dst, (Int RC:$src1, RC:$src2)), (implicit EFLAGS)]>,
2232 def rm : I<opc, MRMSrcMem, (outs RC:$dst), (ins x86memop:$src1, RC:$src2),
2233 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
2234 [(set RC:$dst, (Int (ld_frag addr:$src1), RC:$src2)),
2235 (implicit EFLAGS)]>, T8PS, VEX_4VOp3;
2238 let Predicates = [HasBMI], Defs = [EFLAGS] in {
2239 defm BEXTR32 : bmi_bextr_bzhi<0xF7, "bextr{l}", GR32, i32mem,
2240 int_x86_bmi_bextr_32, loadi32>;
2241 defm BEXTR64 : bmi_bextr_bzhi<0xF7, "bextr{q}", GR64, i64mem,
2242 int_x86_bmi_bextr_64, loadi64>, VEX_W;
2245 let Predicates = [HasBMI2], Defs = [EFLAGS] in {
2246 defm BZHI32 : bmi_bextr_bzhi<0xF5, "bzhi{l}", GR32, i32mem,
2247 int_x86_bmi_bzhi_32, loadi32>;
2248 defm BZHI64 : bmi_bextr_bzhi<0xF5, "bzhi{q}", GR64, i64mem,
2249 int_x86_bmi_bzhi_64, loadi64>, VEX_W;
2253 def CountTrailingOnes : SDNodeXForm<imm, [{
2254 // Count the trailing ones in the immediate.
2255 return getI8Imm(CountTrailingOnes_64(N->getZExtValue()));
2258 def BZHIMask : ImmLeaf<i64, [{
2259 return isMask_64(Imm) && (CountTrailingOnes_64(Imm) > 32);
2262 let Predicates = [HasBMI2] in {
2263 def : Pat<(and GR64:$src, BZHIMask:$mask),
2264 (BZHI64rr GR64:$src,
2265 (INSERT_SUBREG (i64 (IMPLICIT_DEF)),
2266 (MOV8ri (CountTrailingOnes imm:$mask)), sub_8bit))>;
2268 def : Pat<(and GR32:$src, (add (shl 1, GR8:$lz), -1)),
2269 (BZHI32rr GR32:$src,
2270 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR8:$lz, sub_8bit))>;
2272 def : Pat<(and (loadi32 addr:$src), (add (shl 1, GR8:$lz), -1)),
2273 (BZHI32rm addr:$src,
2274 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR8:$lz, sub_8bit))>;
2276 def : Pat<(and GR64:$src, (add (shl 1, GR8:$lz), -1)),
2277 (BZHI64rr GR64:$src,
2278 (INSERT_SUBREG (i64 (IMPLICIT_DEF)), GR8:$lz, sub_8bit))>;
2280 def : Pat<(and (loadi64 addr:$src), (add (shl 1, GR8:$lz), -1)),
2281 (BZHI64rm addr:$src,
2282 (INSERT_SUBREG (i64 (IMPLICIT_DEF)), GR8:$lz, sub_8bit))>;
2285 let Predicates = [HasBMI] in {
2286 def : Pat<(X86bextr GR32:$src1, GR32:$src2),
2287 (BEXTR32rr GR32:$src1, GR32:$src2)>;
2288 def : Pat<(X86bextr (loadi32 addr:$src1), GR32:$src2),
2289 (BEXTR32rm addr:$src1, GR32:$src2)>;
2290 def : Pat<(X86bextr GR64:$src1, GR64:$src2),
2291 (BEXTR64rr GR64:$src1, GR64:$src2)>;
2292 def : Pat<(X86bextr (loadi64 addr:$src1), GR64:$src2),
2293 (BEXTR64rm addr:$src1, GR64:$src2)>;
2296 multiclass bmi_pdep_pext<string mnemonic, RegisterClass RC,
2297 X86MemOperand x86memop, Intrinsic Int,
2299 def rr : I<0xF5, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, RC:$src2),
2300 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
2301 [(set RC:$dst, (Int RC:$src1, RC:$src2))]>,
2303 def rm : I<0xF5, MRMSrcMem, (outs RC:$dst), (ins RC:$src1, x86memop:$src2),
2304 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
2305 [(set RC:$dst, (Int RC:$src1, (ld_frag addr:$src2)))]>, VEX_4V;
2308 let Predicates = [HasBMI2] in {
2309 defm PDEP32 : bmi_pdep_pext<"pdep{l}", GR32, i32mem,
2310 int_x86_bmi_pdep_32, loadi32>, T8XD;
2311 defm PDEP64 : bmi_pdep_pext<"pdep{q}", GR64, i64mem,
2312 int_x86_bmi_pdep_64, loadi64>, T8XD, VEX_W;
2313 defm PEXT32 : bmi_pdep_pext<"pext{l}", GR32, i32mem,
2314 int_x86_bmi_pext_32, loadi32>, T8XS;
2315 defm PEXT64 : bmi_pdep_pext<"pext{q}", GR64, i64mem,
2316 int_x86_bmi_pext_64, loadi64>, T8XS, VEX_W;
2319 //===----------------------------------------------------------------------===//
2322 let Predicates = [HasTBM], Defs = [EFLAGS] in {
2324 multiclass tbm_ternary_imm_intr<bits<8> opc, RegisterClass RC, string OpcodeStr,
2325 X86MemOperand x86memop, PatFrag ld_frag,
2326 Intrinsic Int, Operand immtype,
2327 SDPatternOperator immoperator> {
2328 def ri : Ii32<opc, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, immtype:$cntl),
2329 !strconcat(OpcodeStr,
2330 "\t{$cntl, $src1, $dst|$dst, $src1, $cntl}"),
2331 [(set RC:$dst, (Int RC:$src1, immoperator:$cntl))]>,
2333 def mi : Ii32<opc, MRMSrcMem, (outs RC:$dst),
2334 (ins x86memop:$src1, immtype:$cntl),
2335 !strconcat(OpcodeStr,
2336 "\t{$cntl, $src1, $dst|$dst, $src1, $cntl}"),
2337 [(set RC:$dst, (Int (ld_frag addr:$src1), immoperator:$cntl))]>,
2341 defm BEXTRI32 : tbm_ternary_imm_intr<0x10, GR32, "bextr", i32mem, loadi32,
2342 int_x86_tbm_bextri_u32, i32imm, imm>;
2343 let ImmT = Imm32S in
2344 defm BEXTRI64 : tbm_ternary_imm_intr<0x10, GR64, "bextr", i64mem, loadi64,
2345 int_x86_tbm_bextri_u64, i64i32imm,
2346 i64immSExt32>, VEX_W;
2348 multiclass tbm_binary_rm<bits<8> opc, Format FormReg, Format FormMem,
2349 RegisterClass RC, string OpcodeStr,
2350 X86MemOperand x86memop, PatFrag ld_frag> {
2351 let hasSideEffects = 0 in {
2352 def rr : I<opc, FormReg, (outs RC:$dst), (ins RC:$src),
2353 !strconcat(OpcodeStr,"\t{$src, $dst|$dst, $src}"),
2356 def rm : I<opc, FormMem, (outs RC:$dst), (ins x86memop:$src),
2357 !strconcat(OpcodeStr,"\t{$src, $dst|$dst, $src}"),
2362 multiclass tbm_binary_intr<bits<8> opc, string OpcodeStr,
2363 Format FormReg, Format FormMem> {
2364 defm NAME#32 : tbm_binary_rm<opc, FormReg, FormMem, GR32, OpcodeStr, i32mem,
2366 defm NAME#64 : tbm_binary_rm<opc, FormReg, FormMem, GR64, OpcodeStr, i64mem,
2370 defm BLCFILL : tbm_binary_intr<0x01, "blcfill", MRM1r, MRM1m>;
2371 defm BLCI : tbm_binary_intr<0x02, "blci", MRM6r, MRM6m>;
2372 defm BLCIC : tbm_binary_intr<0x01, "blcic", MRM5r, MRM5m>;
2373 defm BLCMSK : tbm_binary_intr<0x02, "blcmsk", MRM1r, MRM1m>;
2374 defm BLCS : tbm_binary_intr<0x01, "blcs", MRM3r, MRM3m>;
2375 defm BLSFILL : tbm_binary_intr<0x01, "blsfill", MRM2r, MRM2m>;
2376 defm BLSIC : tbm_binary_intr<0x01, "blsic", MRM6r, MRM6m>;
2377 defm T1MSKC : tbm_binary_intr<0x01, "t1mskc", MRM7r, MRM7m>;
2378 defm TZMSK : tbm_binary_intr<0x01, "tzmsk", MRM4r, MRM4m>;
2381 //===----------------------------------------------------------------------===//
2382 // Pattern fragments to auto generate TBM instructions.
2383 //===----------------------------------------------------------------------===//
2385 let Predicates = [HasTBM] in {
2386 def : Pat<(X86bextr GR32:$src1, (i32 imm:$src2)),
2387 (BEXTRI32ri GR32:$src1, imm:$src2)>;
2388 def : Pat<(X86bextr (loadi32 addr:$src1), (i32 imm:$src2)),
2389 (BEXTRI32mi addr:$src1, imm:$src2)>;
2390 def : Pat<(X86bextr GR64:$src1, i64immSExt32:$src2),
2391 (BEXTRI64ri GR64:$src1, i64immSExt32:$src2)>;
2392 def : Pat<(X86bextr (loadi64 addr:$src1), i64immSExt32:$src2),
2393 (BEXTRI64mi addr:$src1, i64immSExt32:$src2)>;
2395 // FIXME: patterns for the load versions are not implemented
2396 def : Pat<(and GR32:$src, (add GR32:$src, 1)),
2397 (BLCFILL32rr GR32:$src)>;
2398 def : Pat<(and GR64:$src, (add GR64:$src, 1)),
2399 (BLCFILL64rr GR64:$src)>;
2401 def : Pat<(or GR32:$src, (not (add GR32:$src, 1))),
2402 (BLCI32rr GR32:$src)>;
2403 def : Pat<(or GR64:$src, (not (add GR64:$src, 1))),
2404 (BLCI64rr GR64:$src)>;
2406 // Extra patterns because opt can optimize the above patterns to this.
2407 def : Pat<(or GR32:$src, (sub -2, GR32:$src)),
2408 (BLCI32rr GR32:$src)>;
2409 def : Pat<(or GR64:$src, (sub -2, GR64:$src)),
2410 (BLCI64rr GR64:$src)>;
2412 def : Pat<(and (not GR32:$src), (add GR32:$src, 1)),
2413 (BLCIC32rr GR32:$src)>;
2414 def : Pat<(and (not GR64:$src), (add GR64:$src, 1)),
2415 (BLCIC64rr GR64:$src)>;
2417 def : Pat<(xor GR32:$src, (add GR32:$src, 1)),
2418 (BLCMSK32rr GR32:$src)>;
2419 def : Pat<(xor GR64:$src, (add GR64:$src, 1)),
2420 (BLCMSK64rr GR64:$src)>;
2422 def : Pat<(or GR32:$src, (add GR32:$src, 1)),
2423 (BLCS32rr GR32:$src)>;
2424 def : Pat<(or GR64:$src, (add GR64:$src, 1)),
2425 (BLCS64rr GR64:$src)>;
2427 def : Pat<(or GR32:$src, (add GR32:$src, -1)),
2428 (BLSFILL32rr GR32:$src)>;
2429 def : Pat<(or GR64:$src, (add GR64:$src, -1)),
2430 (BLSFILL64rr GR64:$src)>;
2432 def : Pat<(or (not GR32:$src), (add GR32:$src, -1)),
2433 (BLSIC32rr GR32:$src)>;
2434 def : Pat<(or (not GR64:$src), (add GR64:$src, -1)),
2435 (BLSIC64rr GR64:$src)>;
2437 def : Pat<(or (not GR32:$src), (add GR32:$src, 1)),
2438 (T1MSKC32rr GR32:$src)>;
2439 def : Pat<(or (not GR64:$src), (add GR64:$src, 1)),
2440 (T1MSKC64rr GR64:$src)>;
2442 def : Pat<(and (not GR32:$src), (add GR32:$src, -1)),
2443 (TZMSK32rr GR32:$src)>;
2444 def : Pat<(and (not GR64:$src), (add GR64:$src, -1)),
2445 (TZMSK64rr GR64:$src)>;
2448 //===----------------------------------------------------------------------===//
2450 //===----------------------------------------------------------------------===//
2452 include "X86InstrArithmetic.td"
2453 include "X86InstrCMovSetCC.td"
2454 include "X86InstrExtension.td"
2455 include "X86InstrControl.td"
2456 include "X86InstrShiftRotate.td"
2458 // X87 Floating Point Stack.
2459 include "X86InstrFPStack.td"
2461 // SIMD support (SSE, MMX and AVX)
2462 include "X86InstrFragmentsSIMD.td"
2464 // FMA - Fused Multiply-Add support (requires FMA)
2465 include "X86InstrFMA.td"
2468 include "X86InstrXOP.td"
2470 // SSE, MMX and 3DNow! vector support.
2471 include "X86InstrSSE.td"
2472 include "X86InstrAVX512.td"
2473 include "X86InstrMMX.td"
2474 include "X86Instr3DNow.td"
2476 include "X86InstrVMX.td"
2477 include "X86InstrSVM.td"
2479 include "X86InstrTSX.td"
2480 include "X86InstrSGX.td"
2482 // System instructions.
2483 include "X86InstrSystem.td"
2485 // Compiler Pseudo Instructions and Pat Patterns
2486 include "X86InstrCompiler.td"
2488 //===----------------------------------------------------------------------===//
2489 // Assembler Mnemonic Aliases
2490 //===----------------------------------------------------------------------===//
2492 def : MnemonicAlias<"call", "callw", "att">, Requires<[In16BitMode]>;
2493 def : MnemonicAlias<"call", "calll", "att">, Requires<[In32BitMode]>;
2494 def : MnemonicAlias<"call", "callq", "att">, Requires<[In64BitMode]>;
2496 def : MnemonicAlias<"cbw", "cbtw", "att">;
2497 def : MnemonicAlias<"cwde", "cwtl", "att">;
2498 def : MnemonicAlias<"cwd", "cwtd", "att">;
2499 def : MnemonicAlias<"cdq", "cltd", "att">;
2500 def : MnemonicAlias<"cdqe", "cltq", "att">;
2501 def : MnemonicAlias<"cqo", "cqto", "att">;
2503 // In 64-bit mode lret maps to lretl; it is not ambiguous with lretq.
2504 def : MnemonicAlias<"lret", "lretw", "att">, Requires<[In16BitMode]>;
2505 def : MnemonicAlias<"lret", "lretl", "att">, Requires<[Not16BitMode]>;
2507 def : MnemonicAlias<"leavel", "leave", "att">, Requires<[Not64BitMode]>;
2508 def : MnemonicAlias<"leaveq", "leave", "att">, Requires<[In64BitMode]>;
2510 def : MnemonicAlias<"loopz", "loope", "att">;
2511 def : MnemonicAlias<"loopnz", "loopne", "att">;
2513 def : MnemonicAlias<"pop", "popw", "att">, Requires<[In16BitMode]>;
2514 def : MnemonicAlias<"pop", "popl", "att">, Requires<[In32BitMode]>;
2515 def : MnemonicAlias<"pop", "popq", "att">, Requires<[In64BitMode]>;
2516 def : MnemonicAlias<"popf", "popfw", "att">, Requires<[In16BitMode]>;
2517 def : MnemonicAlias<"popf", "popfl", "att">, Requires<[In32BitMode]>;
2518 def : MnemonicAlias<"popf", "popfq", "att">, Requires<[In64BitMode]>;
2519 def : MnemonicAlias<"popfd", "popfl", "att">;
2521 // FIXME: This is wrong for "push reg". "push %bx" should turn into pushw in
2522 // all modes. However: "push (addr)" and "push $42" should default to
2523 // pushl/pushq depending on the current mode. Similar for "pop %bx"
2524 def : MnemonicAlias<"push", "pushw", "att">, Requires<[In16BitMode]>;
2525 def : MnemonicAlias<"push", "pushl", "att">, Requires<[In32BitMode]>;
2526 def : MnemonicAlias<"push", "pushq", "att">, Requires<[In64BitMode]>;
2527 def : MnemonicAlias<"pushf", "pushfw", "att">, Requires<[In16BitMode]>;
2528 def : MnemonicAlias<"pushf", "pushfl", "att">, Requires<[In32BitMode]>;
2529 def : MnemonicAlias<"pushf", "pushfq", "att">, Requires<[In64BitMode]>;
2530 def : MnemonicAlias<"pushfd", "pushfl", "att">;
2532 def : MnemonicAlias<"popad", "popal", "intel">, Requires<[Not64BitMode]>;
2533 def : MnemonicAlias<"pushad", "pushal", "intel">, Requires<[Not64BitMode]>;
2534 def : MnemonicAlias<"popa", "popaw", "intel">, Requires<[In16BitMode]>;
2535 def : MnemonicAlias<"pusha", "pushaw", "intel">, Requires<[In16BitMode]>;
2536 def : MnemonicAlias<"popa", "popal", "intel">, Requires<[In32BitMode]>;
2537 def : MnemonicAlias<"pusha", "pushal", "intel">, Requires<[In32BitMode]>;
2539 def : MnemonicAlias<"popa", "popaw", "att">, Requires<[In16BitMode]>;
2540 def : MnemonicAlias<"pusha", "pushaw", "att">, Requires<[In16BitMode]>;
2541 def : MnemonicAlias<"popa", "popal", "att">, Requires<[In32BitMode]>;
2542 def : MnemonicAlias<"pusha", "pushal", "att">, Requires<[In32BitMode]>;
2544 def : MnemonicAlias<"repe", "rep", "att">;
2545 def : MnemonicAlias<"repz", "rep", "att">;
2546 def : MnemonicAlias<"repnz", "repne", "att">;
2548 def : MnemonicAlias<"ret", "retw", "att">, Requires<[In16BitMode]>;
2549 def : MnemonicAlias<"ret", "retl", "att">, Requires<[In32BitMode]>;
2550 def : MnemonicAlias<"ret", "retq", "att">, Requires<[In64BitMode]>;
2552 def : MnemonicAlias<"salb", "shlb", "att">;
2553 def : MnemonicAlias<"salw", "shlw", "att">;
2554 def : MnemonicAlias<"sall", "shll", "att">;
2555 def : MnemonicAlias<"salq", "shlq", "att">;
2557 def : MnemonicAlias<"smovb", "movsb", "att">;
2558 def : MnemonicAlias<"smovw", "movsw", "att">;
2559 def : MnemonicAlias<"smovl", "movsl", "att">;
2560 def : MnemonicAlias<"smovq", "movsq", "att">;
2562 def : MnemonicAlias<"ud2a", "ud2", "att">;
2563 def : MnemonicAlias<"verrw", "verr", "att">;
2565 // System instruction aliases.
2566 def : MnemonicAlias<"iret", "iretw", "att">, Requires<[In16BitMode]>;
2567 def : MnemonicAlias<"iret", "iretl", "att">, Requires<[Not16BitMode]>;
2568 def : MnemonicAlias<"sysret", "sysretl", "att">;
2569 def : MnemonicAlias<"sysexit", "sysexitl", "att">;
2571 def : MnemonicAlias<"lgdt", "lgdtw", "att">, Requires<[In16BitMode]>;
2572 def : MnemonicAlias<"lgdt", "lgdtl", "att">, Requires<[In32BitMode]>;
2573 def : MnemonicAlias<"lgdt", "lgdtq", "att">, Requires<[In64BitMode]>;
2574 def : MnemonicAlias<"lidt", "lidtw", "att">, Requires<[In16BitMode]>;
2575 def : MnemonicAlias<"lidt", "lidtl", "att">, Requires<[In32BitMode]>;
2576 def : MnemonicAlias<"lidt", "lidtq", "att">, Requires<[In64BitMode]>;
2577 def : MnemonicAlias<"sgdt", "sgdtw", "att">, Requires<[In16BitMode]>;
2578 def : MnemonicAlias<"sgdt", "sgdtl", "att">, Requires<[In32BitMode]>;
2579 def : MnemonicAlias<"sgdt", "sgdtq", "att">, Requires<[In64BitMode]>;
2580 def : MnemonicAlias<"sidt", "sidtw", "att">, Requires<[In16BitMode]>;
2581 def : MnemonicAlias<"sidt", "sidtl", "att">, Requires<[In32BitMode]>;
2582 def : MnemonicAlias<"sidt", "sidtq", "att">, Requires<[In64BitMode]>;
2585 // Floating point stack aliases.
2586 def : MnemonicAlias<"fcmovz", "fcmove", "att">;
2587 def : MnemonicAlias<"fcmova", "fcmovnbe", "att">;
2588 def : MnemonicAlias<"fcmovnae", "fcmovb", "att">;
2589 def : MnemonicAlias<"fcmovna", "fcmovbe", "att">;
2590 def : MnemonicAlias<"fcmovae", "fcmovnb", "att">;
2591 def : MnemonicAlias<"fcomip", "fcompi", "att">;
2592 def : MnemonicAlias<"fildq", "fildll", "att">;
2593 def : MnemonicAlias<"fistpq", "fistpll", "att">;
2594 def : MnemonicAlias<"fisttpq", "fisttpll", "att">;
2595 def : MnemonicAlias<"fldcww", "fldcw", "att">;
2596 def : MnemonicAlias<"fnstcww", "fnstcw", "att">;
2597 def : MnemonicAlias<"fnstsww", "fnstsw", "att">;
2598 def : MnemonicAlias<"fucomip", "fucompi", "att">;
2599 def : MnemonicAlias<"fwait", "wait">;
2602 class CondCodeAlias<string Prefix,string Suffix, string OldCond, string NewCond,
2604 : MnemonicAlias<!strconcat(Prefix, OldCond, Suffix),
2605 !strconcat(Prefix, NewCond, Suffix), VariantName>;
2607 /// IntegerCondCodeMnemonicAlias - This multiclass defines a bunch of
2608 /// MnemonicAlias's that canonicalize the condition code in a mnemonic, for
2609 /// example "setz" -> "sete".
2610 multiclass IntegerCondCodeMnemonicAlias<string Prefix, string Suffix,
2612 def C : CondCodeAlias<Prefix, Suffix, "c", "b", V>; // setc -> setb
2613 def Z : CondCodeAlias<Prefix, Suffix, "z" , "e", V>; // setz -> sete
2614 def NA : CondCodeAlias<Prefix, Suffix, "na", "be", V>; // setna -> setbe
2615 def NB : CondCodeAlias<Prefix, Suffix, "nb", "ae", V>; // setnb -> setae
2616 def NC : CondCodeAlias<Prefix, Suffix, "nc", "ae", V>; // setnc -> setae
2617 def NG : CondCodeAlias<Prefix, Suffix, "ng", "le", V>; // setng -> setle
2618 def NL : CondCodeAlias<Prefix, Suffix, "nl", "ge", V>; // setnl -> setge
2619 def NZ : CondCodeAlias<Prefix, Suffix, "nz", "ne", V>; // setnz -> setne
2620 def PE : CondCodeAlias<Prefix, Suffix, "pe", "p", V>; // setpe -> setp
2621 def PO : CondCodeAlias<Prefix, Suffix, "po", "np", V>; // setpo -> setnp
2623 def NAE : CondCodeAlias<Prefix, Suffix, "nae", "b", V>; // setnae -> setb
2624 def NBE : CondCodeAlias<Prefix, Suffix, "nbe", "a", V>; // setnbe -> seta
2625 def NGE : CondCodeAlias<Prefix, Suffix, "nge", "l", V>; // setnge -> setl
2626 def NLE : CondCodeAlias<Prefix, Suffix, "nle", "g", V>; // setnle -> setg
2629 // Aliases for set<CC>
2630 defm : IntegerCondCodeMnemonicAlias<"set", "">;
2631 // Aliases for j<CC>
2632 defm : IntegerCondCodeMnemonicAlias<"j", "">;
2633 // Aliases for cmov<CC>{w,l,q}
2634 defm : IntegerCondCodeMnemonicAlias<"cmov", "w", "att">;
2635 defm : IntegerCondCodeMnemonicAlias<"cmov", "l", "att">;
2636 defm : IntegerCondCodeMnemonicAlias<"cmov", "q", "att">;
2637 // No size suffix for intel-style asm.
2638 defm : IntegerCondCodeMnemonicAlias<"cmov", "", "intel">;
2641 //===----------------------------------------------------------------------===//
2642 // Assembler Instruction Aliases
2643 //===----------------------------------------------------------------------===//
2645 // aad/aam default to base 10 if no operand is specified.
2646 def : InstAlias<"aad", (AAD8i8 10)>;
2647 def : InstAlias<"aam", (AAM8i8 10)>;
2649 // Disambiguate the mem/imm form of bt-without-a-suffix as btl.
2650 // Likewise for btc/btr/bts.
2651 def : InstAlias<"bt {$imm, $mem|$mem, $imm}",
2652 (BT32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
2653 def : InstAlias<"btc {$imm, $mem|$mem, $imm}",
2654 (BTC32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
2655 def : InstAlias<"btr {$imm, $mem|$mem, $imm}",
2656 (BTR32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
2657 def : InstAlias<"bts {$imm, $mem|$mem, $imm}",
2658 (BTS32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
2661 def : InstAlias<"clrb $reg", (XOR8rr GR8 :$reg, GR8 :$reg), 0>;
2662 def : InstAlias<"clrw $reg", (XOR16rr GR16:$reg, GR16:$reg), 0>;
2663 def : InstAlias<"clrl $reg", (XOR32rr GR32:$reg, GR32:$reg), 0>;
2664 def : InstAlias<"clrq $reg", (XOR64rr GR64:$reg, GR64:$reg), 0>;
2666 // lods aliases. Accept the destination being omitted because it's implicit
2667 // in the mnemonic, or the mnemonic suffix being omitted because it's implicit
2668 // in the destination.
2669 def : InstAlias<"lodsb $src", (LODSB srcidx8:$src), 0>;
2670 def : InstAlias<"lodsw $src", (LODSW srcidx16:$src), 0>;
2671 def : InstAlias<"lods{l|d} $src", (LODSL srcidx32:$src), 0>;
2672 def : InstAlias<"lodsq $src", (LODSQ srcidx64:$src), 0>, Requires<[In64BitMode]>;
2673 def : InstAlias<"lods {$src, %al|al, $src}", (LODSB srcidx8:$src), 0>;
2674 def : InstAlias<"lods {$src, %ax|ax, $src}", (LODSW srcidx16:$src), 0>;
2675 def : InstAlias<"lods {$src, %eax|eax, $src}", (LODSL srcidx32:$src), 0>;
2676 def : InstAlias<"lods {$src, %rax|rax, $src}", (LODSQ srcidx64:$src), 0>, Requires<[In64BitMode]>;
2678 // stos aliases. Accept the source being omitted because it's implicit in
2679 // the mnemonic, or the mnemonic suffix being omitted because it's implicit
2681 def : InstAlias<"stosb $dst", (STOSB dstidx8:$dst), 0>;
2682 def : InstAlias<"stosw $dst", (STOSW dstidx16:$dst), 0>;
2683 def : InstAlias<"stos{l|d} $dst", (STOSL dstidx32:$dst), 0>;
2684 def : InstAlias<"stosq $dst", (STOSQ dstidx64:$dst), 0>, Requires<[In64BitMode]>;
2685 def : InstAlias<"stos {%al, $dst|$dst, al}", (STOSB dstidx8:$dst), 0>;
2686 def : InstAlias<"stos {%ax, $dst|$dst, ax}", (STOSW dstidx16:$dst), 0>;
2687 def : InstAlias<"stos {%eax, $dst|$dst, eax}", (STOSL dstidx32:$dst), 0>;
2688 def : InstAlias<"stos {%rax, $dst|$dst, rax}", (STOSQ dstidx64:$dst), 0>, Requires<[In64BitMode]>;
2690 // scas aliases. Accept the destination being omitted because it's implicit
2691 // in the mnemonic, or the mnemonic suffix being omitted because it's implicit
2692 // in the destination.
2693 def : InstAlias<"scasb $dst", (SCASB dstidx8:$dst), 0>;
2694 def : InstAlias<"scasw $dst", (SCASW dstidx16:$dst), 0>;
2695 def : InstAlias<"scas{l|d} $dst", (SCASL dstidx32:$dst), 0>;
2696 def : InstAlias<"scasq $dst", (SCASQ dstidx64:$dst), 0>, Requires<[In64BitMode]>;
2697 def : InstAlias<"scas {$dst, %al|al, $dst}", (SCASB dstidx8:$dst), 0>;
2698 def : InstAlias<"scas {$dst, %ax|ax, $dst}", (SCASW dstidx16:$dst), 0>;
2699 def : InstAlias<"scas {$dst, %eax|eax, $dst}", (SCASL dstidx32:$dst), 0>;
2700 def : InstAlias<"scas {$dst, %rax|rax, $dst}", (SCASQ dstidx64:$dst), 0>, Requires<[In64BitMode]>;
2702 // div and idiv aliases for explicit A register.
2703 def : InstAlias<"div{b}\t{$src, %al|al, $src}", (DIV8r GR8 :$src)>;
2704 def : InstAlias<"div{w}\t{$src, %ax|ax, $src}", (DIV16r GR16:$src)>;
2705 def : InstAlias<"div{l}\t{$src, %eax|eax, $src}", (DIV32r GR32:$src)>;
2706 def : InstAlias<"div{q}\t{$src, %rax|rax, $src}", (DIV64r GR64:$src)>;
2707 def : InstAlias<"div{b}\t{$src, %al|al, $src}", (DIV8m i8mem :$src)>;
2708 def : InstAlias<"div{w}\t{$src, %ax|ax, $src}", (DIV16m i16mem:$src)>;
2709 def : InstAlias<"div{l}\t{$src, %eax|eax, $src}", (DIV32m i32mem:$src)>;
2710 def : InstAlias<"div{q}\t{$src, %rax|rax, $src}", (DIV64m i64mem:$src)>;
2711 def : InstAlias<"idiv{b}\t{$src, %al|al, $src}", (IDIV8r GR8 :$src)>;
2712 def : InstAlias<"idiv{w}\t{$src, %ax|ax, $src}", (IDIV16r GR16:$src)>;
2713 def : InstAlias<"idiv{l}\t{$src, %eax|eax, $src}", (IDIV32r GR32:$src)>;
2714 def : InstAlias<"idiv{q}\t{$src, %rax|rax, $src}", (IDIV64r GR64:$src)>;
2715 def : InstAlias<"idiv{b}\t{$src, %al|al, $src}", (IDIV8m i8mem :$src)>;
2716 def : InstAlias<"idiv{w}\t{$src, %ax|ax, $src}", (IDIV16m i16mem:$src)>;
2717 def : InstAlias<"idiv{l}\t{$src, %eax|eax, $src}", (IDIV32m i32mem:$src)>;
2718 def : InstAlias<"idiv{q}\t{$src, %rax|rax, $src}", (IDIV64m i64mem:$src)>;
2722 // Various unary fpstack operations default to operating on on ST1.
2723 // For example, "fxch" -> "fxch %st(1)"
2724 def : InstAlias<"faddp", (ADD_FPrST0 ST1), 0>;
2725 def : InstAlias<"fsub{|r}p", (SUBR_FPrST0 ST1), 0>;
2726 def : InstAlias<"fsub{r|}p", (SUB_FPrST0 ST1), 0>;
2727 def : InstAlias<"fmulp", (MUL_FPrST0 ST1), 0>;
2728 def : InstAlias<"fdiv{|r}p", (DIVR_FPrST0 ST1), 0>;
2729 def : InstAlias<"fdiv{r|}p", (DIV_FPrST0 ST1), 0>;
2730 def : InstAlias<"fxch", (XCH_F ST1), 0>;
2731 def : InstAlias<"fcom", (COM_FST0r ST1), 0>;
2732 def : InstAlias<"fcomp", (COMP_FST0r ST1), 0>;
2733 def : InstAlias<"fcomi", (COM_FIr ST1), 0>;
2734 def : InstAlias<"fcompi", (COM_FIPr ST1), 0>;
2735 def : InstAlias<"fucom", (UCOM_Fr ST1), 0>;
2736 def : InstAlias<"fucomp", (UCOM_FPr ST1), 0>;
2737 def : InstAlias<"fucomi", (UCOM_FIr ST1), 0>;
2738 def : InstAlias<"fucompi", (UCOM_FIPr ST1), 0>;
2740 // Handle fmul/fadd/fsub/fdiv instructions with explicitly written st(0) op.
2741 // For example, "fadd %st(4), %st(0)" -> "fadd %st(4)". We also disambiguate
2742 // instructions like "fadd %st(0), %st(0)" as "fadd %st(0)" for consistency with
2744 multiclass FpUnaryAlias<string Mnemonic, Instruction Inst, bit EmitAlias = 1> {
2745 def : InstAlias<!strconcat(Mnemonic, "\t{$op, %st(0)|st(0), $op}"),
2746 (Inst RST:$op), EmitAlias>;
2747 def : InstAlias<!strconcat(Mnemonic, "\t{%st(0), %st(0)|st(0), st(0)}"),
2748 (Inst ST0), EmitAlias>;
2751 defm : FpUnaryAlias<"fadd", ADD_FST0r>;
2752 defm : FpUnaryAlias<"faddp", ADD_FPrST0, 0>;
2753 defm : FpUnaryAlias<"fsub", SUB_FST0r>;
2754 defm : FpUnaryAlias<"fsub{|r}p", SUBR_FPrST0>;
2755 defm : FpUnaryAlias<"fsubr", SUBR_FST0r>;
2756 defm : FpUnaryAlias<"fsub{r|}p", SUB_FPrST0>;
2757 defm : FpUnaryAlias<"fmul", MUL_FST0r>;
2758 defm : FpUnaryAlias<"fmulp", MUL_FPrST0>;
2759 defm : FpUnaryAlias<"fdiv", DIV_FST0r>;
2760 defm : FpUnaryAlias<"fdiv{|r}p", DIVR_FPrST0>;
2761 defm : FpUnaryAlias<"fdivr", DIVR_FST0r>;
2762 defm : FpUnaryAlias<"fdiv{r|}p", DIV_FPrST0>;
2763 defm : FpUnaryAlias<"fcomi", COM_FIr, 0>;
2764 defm : FpUnaryAlias<"fucomi", UCOM_FIr, 0>;
2765 defm : FpUnaryAlias<"fcompi", COM_FIPr>;
2766 defm : FpUnaryAlias<"fucompi", UCOM_FIPr>;
2769 // Handle "f{mulp,addp} st(0), $op" the same as "f{mulp,addp} $op", since they
2770 // commute. We also allow fdiv[r]p/fsubrp even though they don't commute,
2771 // solely because gas supports it.
2772 def : InstAlias<"faddp\t{%st(0), $op|$op, st(0)}", (ADD_FPrST0 RST:$op), 0>;
2773 def : InstAlias<"fmulp\t{%st(0), $op|$op, st(0)}", (MUL_FPrST0 RST:$op)>;
2774 def : InstAlias<"fsub{|r}p\t{%st(0), $op|$op, st(0)}", (SUBR_FPrST0 RST:$op)>;
2775 def : InstAlias<"fsub{r|}p\t{%st(0), $op|$op, st(0)}", (SUB_FPrST0 RST:$op)>;
2776 def : InstAlias<"fdiv{|r}p\t{%st(0), $op|$op, st(0)}", (DIVR_FPrST0 RST:$op)>;
2777 def : InstAlias<"fdiv{r|}p\t{%st(0), $op|$op, st(0)}", (DIV_FPrST0 RST:$op)>;
2779 // We accept "fnstsw %eax" even though it only writes %ax.
2780 def : InstAlias<"fnstsw\t{%eax|eax}", (FNSTSW16r)>;
2781 def : InstAlias<"fnstsw\t{%al|al}" , (FNSTSW16r)>;
2782 def : InstAlias<"fnstsw" , (FNSTSW16r)>;
2784 // lcall and ljmp aliases. This seems to be an odd mapping in 64-bit mode, but
2785 // this is compatible with what GAS does.
2786 def : InstAlias<"lcall $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg), 0>, Requires<[Not16BitMode]>;
2787 def : InstAlias<"ljmp $seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg), 0>, Requires<[Not16BitMode]>;
2788 def : InstAlias<"lcall {*}$dst", (FARCALL32m opaque48mem:$dst), 0>, Requires<[Not16BitMode]>;
2789 def : InstAlias<"ljmp {*}$dst", (FARJMP32m opaque48mem:$dst), 0>, Requires<[Not16BitMode]>;
2790 def : InstAlias<"lcall $seg, $off", (FARCALL16i i16imm:$off, i16imm:$seg), 0>, Requires<[In16BitMode]>;
2791 def : InstAlias<"ljmp $seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg), 0>, Requires<[In16BitMode]>;
2792 def : InstAlias<"lcall {*}$dst", (FARCALL16m opaque32mem:$dst), 0>, Requires<[In16BitMode]>;
2793 def : InstAlias<"ljmp {*}$dst", (FARJMP16m opaque32mem:$dst), 0>, Requires<[In16BitMode]>;
2795 def : InstAlias<"call {*}$dst", (CALL64m i64mem:$dst), 0>, Requires<[In64BitMode]>;
2796 def : InstAlias<"jmp {*}$dst", (JMP64m i64mem:$dst), 0>, Requires<[In64BitMode]>;
2797 def : InstAlias<"call {*}$dst", (CALL32m i32mem:$dst), 0>, Requires<[In32BitMode]>;
2798 def : InstAlias<"jmp {*}$dst", (JMP32m i32mem:$dst), 0>, Requires<[In32BitMode]>;
2799 def : InstAlias<"call {*}$dst", (CALL16m i16mem:$dst), 0>, Requires<[In16BitMode]>;
2800 def : InstAlias<"jmp {*}$dst", (JMP16m i16mem:$dst), 0>, Requires<[In16BitMode]>;
2803 // "imul <imm>, B" is an alias for "imul <imm>, B, B".
2804 def : InstAlias<"imulw {$imm, $r|$r, $imm}", (IMUL16rri GR16:$r, GR16:$r, i16imm:$imm), 0>;
2805 def : InstAlias<"imulw {$imm, $r|$r, $imm}", (IMUL16rri8 GR16:$r, GR16:$r, i16i8imm:$imm), 0>;
2806 def : InstAlias<"imull {$imm, $r|$r, $imm}", (IMUL32rri GR32:$r, GR32:$r, i32imm:$imm), 0>;
2807 def : InstAlias<"imull {$imm, $r|$r, $imm}", (IMUL32rri8 GR32:$r, GR32:$r, i32i8imm:$imm), 0>;
2808 def : InstAlias<"imulq {$imm, $r|$r, $imm}", (IMUL64rri32 GR64:$r, GR64:$r, i64i32imm:$imm), 0>;
2809 def : InstAlias<"imulq {$imm, $r|$r, $imm}", (IMUL64rri8 GR64:$r, GR64:$r, i64i8imm:$imm), 0>;
2811 // inb %dx -> inb %al, %dx
2812 def : InstAlias<"inb\t{%dx|dx}", (IN8rr), 0>;
2813 def : InstAlias<"inw\t{%dx|dx}", (IN16rr), 0>;
2814 def : InstAlias<"inl\t{%dx|dx}", (IN32rr), 0>;
2815 def : InstAlias<"inb\t$port", (IN8ri i8imm:$port), 0>;
2816 def : InstAlias<"inw\t$port", (IN16ri i8imm:$port), 0>;
2817 def : InstAlias<"inl\t$port", (IN32ri i8imm:$port), 0>;
2820 // jmp and call aliases for lcall and ljmp. jmp $42,$5 -> ljmp
2821 def : InstAlias<"call $seg, $off", (FARCALL16i i16imm:$off, i16imm:$seg)>, Requires<[In16BitMode]>;
2822 def : InstAlias<"jmp $seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg)>, Requires<[In16BitMode]>;
2823 def : InstAlias<"call $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg)>, Requires<[Not16BitMode]>;
2824 def : InstAlias<"jmp $seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg)>, Requires<[Not16BitMode]>;
2825 def : InstAlias<"callw $seg, $off", (FARCALL16i i16imm:$off, i16imm:$seg)>;
2826 def : InstAlias<"jmpw $seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg)>;
2827 def : InstAlias<"calll $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg)>;
2828 def : InstAlias<"jmpl $seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg)>;
2830 // Force mov without a suffix with a segment and mem to prefer the 'l' form of
2831 // the move. All segment/mem forms are equivalent, this has the shortest
2833 def : InstAlias<"mov {$mem, $seg|$seg, $mem}", (MOV32sm SEGMENT_REG:$seg, i32mem:$mem), 0>;
2834 def : InstAlias<"mov {$seg, $mem|$mem, $seg}", (MOV32ms i32mem:$mem, SEGMENT_REG:$seg), 0>;
2836 // Match 'movq <largeimm>, <reg>' as an alias for movabsq.
2837 def : InstAlias<"movq {$imm, $reg|$reg, $imm}", (MOV64ri GR64:$reg, i64imm:$imm), 0>;
2839 // Match 'movq GR64, MMX' as an alias for movd.
2840 def : InstAlias<"movq {$src, $dst|$dst, $src}",
2841 (MMX_MOVD64to64rr VR64:$dst, GR64:$src), 0>;
2842 def : InstAlias<"movq {$src, $dst|$dst, $src}",
2843 (MMX_MOVD64from64rr GR64:$dst, VR64:$src), 0>;
2846 def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX16rr8 GR16:$dst, GR8:$src), 0>;
2847 def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX16rm8 GR16:$dst, i8mem:$src), 0>;
2848 def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX32rr8 GR32:$dst, GR8:$src), 0>;
2849 def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX32rr16 GR32:$dst, GR16:$src), 0>;
2850 def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX64rr8 GR64:$dst, GR8:$src), 0>;
2851 def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX64rr16 GR64:$dst, GR16:$src), 0>;
2852 def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX64rr32 GR64:$dst, GR32:$src), 0>;
2855 def : InstAlias<"movzx {$src, $dst|$dst, $src}", (MOVZX16rr8 GR16:$dst, GR8:$src), 0>;
2856 def : InstAlias<"movzx {$src, $dst|$dst, $src}", (MOVZX16rm8 GR16:$dst, i8mem:$src), 0>;
2857 def : InstAlias<"movzx {$src, $dst|$dst, $src}", (MOVZX32rr8 GR32:$dst, GR8:$src), 0>;
2858 def : InstAlias<"movzx {$src, $dst|$dst, $src}", (MOVZX32rr16 GR32:$dst, GR16:$src), 0>;
2859 def : InstAlias<"movzx {$src, $dst|$dst, $src}", (MOVZX64rr8_Q GR64:$dst, GR8:$src), 0>;
2860 def : InstAlias<"movzx {$src, $dst|$dst, $src}", (MOVZX64rr16_Q GR64:$dst, GR16:$src), 0>;
2861 // Note: No GR32->GR64 movzx form.
2863 // outb %dx -> outb %al, %dx
2864 def : InstAlias<"outb\t{%dx|dx}", (OUT8rr), 0>;
2865 def : InstAlias<"outw\t{%dx|dx}", (OUT16rr), 0>;
2866 def : InstAlias<"outl\t{%dx|dx}", (OUT32rr), 0>;
2867 def : InstAlias<"outb\t$port", (OUT8ir i8imm:$port), 0>;
2868 def : InstAlias<"outw\t$port", (OUT16ir i8imm:$port), 0>;
2869 def : InstAlias<"outl\t$port", (OUT32ir i8imm:$port), 0>;
2871 // 'sldt <mem>' can be encoded with either sldtw or sldtq with the same
2872 // effect (both store to a 16-bit mem). Force to sldtw to avoid ambiguity
2873 // errors, since its encoding is the most compact.
2874 def : InstAlias<"sldt $mem", (SLDT16m i16mem:$mem), 0>;
2876 // shld/shrd op,op -> shld op, op, CL
2877 def : InstAlias<"shld{w}\t{$r2, $r1|$r1, $r2}", (SHLD16rrCL GR16:$r1, GR16:$r2), 0>;
2878 def : InstAlias<"shld{l}\t{$r2, $r1|$r1, $r2}", (SHLD32rrCL GR32:$r1, GR32:$r2), 0>;
2879 def : InstAlias<"shld{q}\t{$r2, $r1|$r1, $r2}", (SHLD64rrCL GR64:$r1, GR64:$r2), 0>;
2880 def : InstAlias<"shrd{w}\t{$r2, $r1|$r1, $r2}", (SHRD16rrCL GR16:$r1, GR16:$r2), 0>;
2881 def : InstAlias<"shrd{l}\t{$r2, $r1|$r1, $r2}", (SHRD32rrCL GR32:$r1, GR32:$r2), 0>;
2882 def : InstAlias<"shrd{q}\t{$r2, $r1|$r1, $r2}", (SHRD64rrCL GR64:$r1, GR64:$r2), 0>;
2884 def : InstAlias<"shld{w}\t{$reg, $mem|$mem, $reg}", (SHLD16mrCL i16mem:$mem, GR16:$reg), 0>;
2885 def : InstAlias<"shld{l}\t{$reg, $mem|$mem, $reg}", (SHLD32mrCL i32mem:$mem, GR32:$reg), 0>;
2886 def : InstAlias<"shld{q}\t{$reg, $mem|$mem, $reg}", (SHLD64mrCL i64mem:$mem, GR64:$reg), 0>;
2887 def : InstAlias<"shrd{w}\t{$reg, $mem|$mem, $reg}", (SHRD16mrCL i16mem:$mem, GR16:$reg), 0>;
2888 def : InstAlias<"shrd{l}\t{$reg, $mem|$mem, $reg}", (SHRD32mrCL i32mem:$mem, GR32:$reg), 0>;
2889 def : InstAlias<"shrd{q}\t{$reg, $mem|$mem, $reg}", (SHRD64mrCL i64mem:$mem, GR64:$reg), 0>;
2891 /* FIXME: This is disabled because the asm matcher is currently incapable of
2892 * matching a fixed immediate like $1.
2893 // "shl X, $1" is an alias for "shl X".
2894 multiclass ShiftRotateByOneAlias<string Mnemonic, string Opc> {
2895 def : InstAlias<!strconcat(Mnemonic, "b $op, $$1"),
2896 (!cast<Instruction>(!strconcat(Opc, "8r1")) GR8:$op)>;
2897 def : InstAlias<!strconcat(Mnemonic, "w $op, $$1"),
2898 (!cast<Instruction>(!strconcat(Opc, "16r1")) GR16:$op)>;
2899 def : InstAlias<!strconcat(Mnemonic, "l $op, $$1"),
2900 (!cast<Instruction>(!strconcat(Opc, "32r1")) GR32:$op)>;
2901 def : InstAlias<!strconcat(Mnemonic, "q $op, $$1"),
2902 (!cast<Instruction>(!strconcat(Opc, "64r1")) GR64:$op)>;
2903 def : InstAlias<!strconcat(Mnemonic, "b $op, $$1"),
2904 (!cast<Instruction>(!strconcat(Opc, "8m1")) i8mem:$op)>;
2905 def : InstAlias<!strconcat(Mnemonic, "w $op, $$1"),
2906 (!cast<Instruction>(!strconcat(Opc, "16m1")) i16mem:$op)>;
2907 def : InstAlias<!strconcat(Mnemonic, "l $op, $$1"),
2908 (!cast<Instruction>(!strconcat(Opc, "32m1")) i32mem:$op)>;
2909 def : InstAlias<!strconcat(Mnemonic, "q $op, $$1"),
2910 (!cast<Instruction>(!strconcat(Opc, "64m1")) i64mem:$op)>;
2913 defm : ShiftRotateByOneAlias<"rcl", "RCL">;
2914 defm : ShiftRotateByOneAlias<"rcr", "RCR">;
2915 defm : ShiftRotateByOneAlias<"rol", "ROL">;
2916 defm : ShiftRotateByOneAlias<"ror", "ROR">;
2919 // test: We accept "testX <reg>, <mem>" and "testX <mem>, <reg>" as synonyms.
2920 def : InstAlias<"test{b}\t{$val, $mem|$mem, $val}",
2921 (TEST8rm GR8 :$val, i8mem :$mem), 0>;
2922 def : InstAlias<"test{w}\t{$val, $mem|$mem, $val}",
2923 (TEST16rm GR16:$val, i16mem:$mem), 0>;
2924 def : InstAlias<"test{l}\t{$val, $mem|$mem, $val}",
2925 (TEST32rm GR32:$val, i32mem:$mem), 0>;
2926 def : InstAlias<"test{q}\t{$val, $mem|$mem, $val}",
2927 (TEST64rm GR64:$val, i64mem:$mem), 0>;
2929 // xchg: We accept "xchgX <reg>, <mem>" and "xchgX <mem>, <reg>" as synonyms.
2930 def : InstAlias<"xchg{b}\t{$mem, $val|$val, $mem}",
2931 (XCHG8rm GR8 :$val, i8mem :$mem), 0>;
2932 def : InstAlias<"xchg{w}\t{$mem, $val|$val, $mem}",
2933 (XCHG16rm GR16:$val, i16mem:$mem), 0>;
2934 def : InstAlias<"xchg{l}\t{$mem, $val|$val, $mem}",
2935 (XCHG32rm GR32:$val, i32mem:$mem), 0>;
2936 def : InstAlias<"xchg{q}\t{$mem, $val|$val, $mem}",
2937 (XCHG64rm GR64:$val, i64mem:$mem), 0>;
2939 // xchg: We accept "xchgX <reg>, %eax" and "xchgX %eax, <reg>" as synonyms.
2940 def : InstAlias<"xchg{w}\t{%ax, $src|$src, ax}", (XCHG16ar GR16:$src), 0>;
2941 def : InstAlias<"xchg{l}\t{%eax, $src|$src, eax}",
2942 (XCHG32ar GR32:$src), 0>, Requires<[Not64BitMode]>;
2943 def : InstAlias<"xchg{l}\t{%eax, $src|$src, eax}",
2944 (XCHG32ar64 GR32_NOAX:$src), 0>, Requires<[In64BitMode]>;
2945 def : InstAlias<"xchg{q}\t{%rax, $src|$src, rax}", (XCHG64ar GR64:$src), 0>;