1 //===-- X86InstrInfo.td - Main X86 Instruction Definition --*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the X86 instruction set, defining the instructions, and
11 // properties of the instructions which are needed for code generation, machine
12 // code emission, and analysis.
14 //===----------------------------------------------------------------------===//
16 //===----------------------------------------------------------------------===//
17 // X86 specific DAG Nodes.
20 def SDTIntShiftDOp: SDTypeProfile<1, 3,
21 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
22 SDTCisInt<0>, SDTCisInt<3>]>;
24 def SDTX86CmpTest : SDTypeProfile<1, 2, [SDTCisVT<0, i32>, SDTCisSameAs<1, 2>]>;
26 def SDTX86Cmps : SDTypeProfile<1, 3, [SDTCisFP<0>, SDTCisSameAs<1, 2>, SDTCisVT<3, i8>]>;
27 //def SDTX86Cmpss : SDTypeProfile<1, 3, [SDTCisVT<0, f32>, SDTCisSameAs<1, 2>, SDTCisVT<3, i8>]>;
29 def SDTX86Cmov : SDTypeProfile<1, 4,
30 [SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>,
31 SDTCisVT<3, i8>, SDTCisVT<4, i32>]>;
33 // Unary and binary operator instructions that set EFLAGS as a side-effect.
34 def SDTUnaryArithWithFlags : SDTypeProfile<2, 1,
35 [SDTCisInt<0>, SDTCisVT<1, i32>]>;
37 def SDTBinaryArithWithFlags : SDTypeProfile<2, 2,
40 SDTCisInt<0>, SDTCisVT<1, i32>]>;
42 // SDTBinaryArithWithFlagsInOut - RES1, EFLAGS = op LHS, RHS, EFLAGS
43 def SDTBinaryArithWithFlagsInOut : SDTypeProfile<2, 3,
49 // RES1, RES2, FLAGS = op LHS, RHS
50 def SDT2ResultBinaryArithWithFlags : SDTypeProfile<3, 2,
54 SDTCisInt<0>, SDTCisVT<1, i32>]>;
55 def SDTX86BrCond : SDTypeProfile<0, 3,
56 [SDTCisVT<0, OtherVT>,
57 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
59 def SDTX86SetCC : SDTypeProfile<1, 2,
61 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
62 def SDTX86SetCC_C : SDTypeProfile<1, 2,
64 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
66 def SDTX86sahf : SDTypeProfile<1, 1, [SDTCisVT<0, i32>, SDTCisVT<1, i8>]>;
68 def SDTX86rdrand : SDTypeProfile<2, 0, [SDTCisInt<0>, SDTCisVT<1, i32>]>;
70 def SDTX86cas : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisInt<1>,
72 def SDTX86caspair : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
74 def SDTX86atomicBinary : SDTypeProfile<2, 3, [SDTCisInt<0>, SDTCisInt<1>,
75 SDTCisPtrTy<2>, SDTCisInt<3>,SDTCisInt<4>]>;
76 def SDTX86Ret : SDTypeProfile<0, -1, [SDTCisVT<0, i16>]>;
78 def SDT_X86CallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
79 def SDT_X86CallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>,
82 def SDT_X86Call : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>;
84 def SDT_X86VASTART_SAVE_XMM_REGS : SDTypeProfile<0, -1, [SDTCisVT<0, i8>,
88 def SDT_X86VAARG_64 : SDTypeProfile<1, -1, [SDTCisPtrTy<0>,
94 def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
96 def SDTX86Void : SDTypeProfile<0, 0, []>;
98 def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
100 def SDT_X86TLSADDR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
102 def SDT_X86TLSBASEADDR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
104 def SDT_X86TLSCALL : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
106 def SDT_X86SEG_ALLOCA : SDTypeProfile<1, 1, [SDTCisVT<0, iPTR>, SDTCisVT<1, iPTR>]>;
108 def SDT_X86WIN_FTOL : SDTypeProfile<0, 1, [SDTCisFP<0>]>;
110 def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
112 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
114 def SDT_X86MEMBARRIER : SDTypeProfile<0, 0, []>;
116 def X86MemBarrier : SDNode<"X86ISD::MEMBARRIER", SDT_X86MEMBARRIER,
117 [SDNPHasChain,SDNPSideEffect]>;
118 def X86MFence : SDNode<"X86ISD::MFENCE", SDT_X86MEMBARRIER,
120 def X86SFence : SDNode<"X86ISD::SFENCE", SDT_X86MEMBARRIER,
122 def X86LFence : SDNode<"X86ISD::LFENCE", SDT_X86MEMBARRIER,
126 def X86bsf : SDNode<"X86ISD::BSF", SDTUnaryArithWithFlags>;
127 def X86bsr : SDNode<"X86ISD::BSR", SDTUnaryArithWithFlags>;
128 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
129 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
131 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
132 def X86bt : SDNode<"X86ISD::BT", SDTX86CmpTest>;
134 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
135 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
137 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
138 def X86setcc_c : SDNode<"X86ISD::SETCC_CARRY", SDTX86SetCC_C>;
140 def X86sahf : SDNode<"X86ISD::SAHF", SDTX86sahf>;
142 def X86rdrand : SDNode<"X86ISD::RDRAND", SDTX86rdrand,
143 [SDNPHasChain, SDNPSideEffect]>;
145 def X86rdseed : SDNode<"X86ISD::RDSEED", SDTX86rdrand,
146 [SDNPHasChain, SDNPSideEffect]>;
148 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
149 [SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
150 SDNPMayLoad, SDNPMemOperand]>;
151 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86caspair,
152 [SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
153 SDNPMayLoad, SDNPMemOperand]>;
154 def X86cas16 : SDNode<"X86ISD::LCMPXCHG16_DAG", SDTX86caspair,
155 [SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
156 SDNPMayLoad, SDNPMemOperand]>;
158 def X86AtomAdd64 : SDNode<"X86ISD::ATOMADD64_DAG", SDTX86atomicBinary,
159 [SDNPHasChain, SDNPMayStore,
160 SDNPMayLoad, SDNPMemOperand]>;
161 def X86AtomSub64 : SDNode<"X86ISD::ATOMSUB64_DAG", SDTX86atomicBinary,
162 [SDNPHasChain, SDNPMayStore,
163 SDNPMayLoad, SDNPMemOperand]>;
164 def X86AtomOr64 : SDNode<"X86ISD::ATOMOR64_DAG", SDTX86atomicBinary,
165 [SDNPHasChain, SDNPMayStore,
166 SDNPMayLoad, SDNPMemOperand]>;
167 def X86AtomXor64 : SDNode<"X86ISD::ATOMXOR64_DAG", SDTX86atomicBinary,
168 [SDNPHasChain, SDNPMayStore,
169 SDNPMayLoad, SDNPMemOperand]>;
170 def X86AtomAnd64 : SDNode<"X86ISD::ATOMAND64_DAG", SDTX86atomicBinary,
171 [SDNPHasChain, SDNPMayStore,
172 SDNPMayLoad, SDNPMemOperand]>;
173 def X86AtomNand64 : SDNode<"X86ISD::ATOMNAND64_DAG", SDTX86atomicBinary,
174 [SDNPHasChain, SDNPMayStore,
175 SDNPMayLoad, SDNPMemOperand]>;
176 def X86AtomSwap64 : SDNode<"X86ISD::ATOMSWAP64_DAG", SDTX86atomicBinary,
177 [SDNPHasChain, SDNPMayStore,
178 SDNPMayLoad, SDNPMemOperand]>;
179 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
180 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
182 def X86vastart_save_xmm_regs :
183 SDNode<"X86ISD::VASTART_SAVE_XMM_REGS",
184 SDT_X86VASTART_SAVE_XMM_REGS,
185 [SDNPHasChain, SDNPVariadic]>;
187 SDNode<"X86ISD::VAARG_64", SDT_X86VAARG_64,
188 [SDNPHasChain, SDNPMayLoad, SDNPMayStore,
190 def X86callseq_start :
191 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
192 [SDNPHasChain, SDNPOutGlue]>;
194 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
195 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
197 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
198 [SDNPHasChain, SDNPOutGlue, SDNPOptInGlue,
201 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
202 [SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore]>;
203 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
204 [SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
207 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG", SDTX86Void,
208 [SDNPHasChain, SDNPOutGlue, SDNPSideEffect]>;
209 def X86rdtscp : SDNode<"X86ISD::RDTSCP_DAG", SDTX86Void,
210 [SDNPHasChain, SDNPOutGlue, SDNPSideEffect]>;
211 def X86rdpmc : SDNode<"X86ISD::RDPMC_DAG", SDTX86Void,
212 [SDNPHasChain, SDNPOutGlue, SDNPSideEffect]>;
214 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
215 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
217 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
218 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
220 def X86tlsbaseaddr : SDNode<"X86ISD::TLSBASEADDR", SDT_X86TLSBASEADDR,
221 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
223 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
226 def X86eh_sjlj_setjmp : SDNode<"X86ISD::EH_SJLJ_SETJMP",
227 SDTypeProfile<1, 1, [SDTCisInt<0>,
229 [SDNPHasChain, SDNPSideEffect]>;
230 def X86eh_sjlj_longjmp : SDNode<"X86ISD::EH_SJLJ_LONGJMP",
231 SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>,
232 [SDNPHasChain, SDNPSideEffect]>;
234 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
235 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
237 def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags,
239 def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
240 def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags,
242 def X86umul_flag : SDNode<"X86ISD::UMUL", SDT2ResultBinaryArithWithFlags,
244 def X86adc_flag : SDNode<"X86ISD::ADC", SDTBinaryArithWithFlagsInOut>;
245 def X86sbb_flag : SDNode<"X86ISD::SBB", SDTBinaryArithWithFlagsInOut>;
247 def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>;
248 def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>;
249 def X86or_flag : SDNode<"X86ISD::OR", SDTBinaryArithWithFlags,
251 def X86xor_flag : SDNode<"X86ISD::XOR", SDTBinaryArithWithFlags,
253 def X86and_flag : SDNode<"X86ISD::AND", SDTBinaryArithWithFlags,
256 def X86bextr : SDNode<"X86ISD::BEXTR", SDTIntBinOp>;
258 def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
260 def X86WinAlloca : SDNode<"X86ISD::WIN_ALLOCA", SDTX86Void,
261 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
263 def X86SegAlloca : SDNode<"X86ISD::SEG_ALLOCA", SDT_X86SEG_ALLOCA,
266 def X86TLSCall : SDNode<"X86ISD::TLSCALL", SDT_X86TLSCALL,
267 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
269 def X86WinFTOL : SDNode<"X86ISD::WIN_FTOL", SDT_X86WIN_FTOL,
270 [SDNPHasChain, SDNPOutGlue]>;
272 //===----------------------------------------------------------------------===//
273 // X86 Operand Definitions.
276 // A version of ptr_rc which excludes SP, ESP, and RSP. This is used for
277 // the index operand of an address, to conform to x86 encoding restrictions.
278 def ptr_rc_nosp : PointerLikeRegClass<1>;
280 // *mem - Operand definitions for the funky X86 addressing mode operands.
282 def X86MemAsmOperand : AsmOperandClass {
285 def X86Mem8AsmOperand : AsmOperandClass {
286 let Name = "Mem8"; let RenderMethod = "addMemOperands";
288 def X86Mem16AsmOperand : AsmOperandClass {
289 let Name = "Mem16"; let RenderMethod = "addMemOperands";
291 def X86Mem32AsmOperand : AsmOperandClass {
292 let Name = "Mem32"; let RenderMethod = "addMemOperands";
294 def X86Mem64AsmOperand : AsmOperandClass {
295 let Name = "Mem64"; let RenderMethod = "addMemOperands";
297 def X86Mem80AsmOperand : AsmOperandClass {
298 let Name = "Mem80"; let RenderMethod = "addMemOperands";
300 def X86Mem128AsmOperand : AsmOperandClass {
301 let Name = "Mem128"; let RenderMethod = "addMemOperands";
303 def X86Mem256AsmOperand : AsmOperandClass {
304 let Name = "Mem256"; let RenderMethod = "addMemOperands";
306 def X86Mem512AsmOperand : AsmOperandClass {
307 let Name = "Mem512"; let RenderMethod = "addMemOperands";
310 // Gather mem operands
311 def X86MemVX32Operand : AsmOperandClass {
312 let Name = "MemVX32"; let RenderMethod = "addMemOperands";
314 def X86MemVY32Operand : AsmOperandClass {
315 let Name = "MemVY32"; let RenderMethod = "addMemOperands";
317 def X86MemVZ32Operand : AsmOperandClass {
318 let Name = "MemVZ32"; let RenderMethod = "addMemOperands";
320 def X86MemVX64Operand : AsmOperandClass {
321 let Name = "MemVX64"; let RenderMethod = "addMemOperands";
323 def X86MemVY64Operand : AsmOperandClass {
324 let Name = "MemVY64"; let RenderMethod = "addMemOperands";
326 def X86MemVZ64Operand : AsmOperandClass {
327 let Name = "MemVZ64"; let RenderMethod = "addMemOperands";
330 def X86AbsMemAsmOperand : AsmOperandClass {
332 let SuperClasses = [X86MemAsmOperand];
334 class X86MemOperand<string printMethod> : Operand<iPTR> {
335 let PrintMethod = printMethod;
336 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc_nosp, i32imm, i8imm);
337 let ParserMatchClass = X86MemAsmOperand;
340 let OperandType = "OPERAND_MEMORY" in {
341 def opaque32mem : X86MemOperand<"printopaquemem">;
342 def opaque48mem : X86MemOperand<"printopaquemem">;
343 def opaque80mem : X86MemOperand<"printopaquemem">;
344 def opaque512mem : X86MemOperand<"printopaquemem">;
346 def i8mem : X86MemOperand<"printi8mem"> {
347 let ParserMatchClass = X86Mem8AsmOperand; }
348 def i16mem : X86MemOperand<"printi16mem"> {
349 let ParserMatchClass = X86Mem16AsmOperand; }
350 def i32mem : X86MemOperand<"printi32mem"> {
351 let ParserMatchClass = X86Mem32AsmOperand; }
352 def i64mem : X86MemOperand<"printi64mem"> {
353 let ParserMatchClass = X86Mem64AsmOperand; }
354 def i128mem : X86MemOperand<"printi128mem"> {
355 let ParserMatchClass = X86Mem128AsmOperand; }
356 def i256mem : X86MemOperand<"printi256mem"> {
357 let ParserMatchClass = X86Mem256AsmOperand; }
358 def i512mem : X86MemOperand<"printi512mem"> {
359 let ParserMatchClass = X86Mem512AsmOperand; }
360 def f32mem : X86MemOperand<"printf32mem"> {
361 let ParserMatchClass = X86Mem32AsmOperand; }
362 def f64mem : X86MemOperand<"printf64mem"> {
363 let ParserMatchClass = X86Mem64AsmOperand; }
364 def f80mem : X86MemOperand<"printf80mem"> {
365 let ParserMatchClass = X86Mem80AsmOperand; }
366 def f128mem : X86MemOperand<"printf128mem"> {
367 let ParserMatchClass = X86Mem128AsmOperand; }
368 def f256mem : X86MemOperand<"printf256mem">{
369 let ParserMatchClass = X86Mem256AsmOperand; }
370 def f512mem : X86MemOperand<"printf512mem">{
371 let ParserMatchClass = X86Mem512AsmOperand; }
372 def v512mem : Operand<iPTR> {
373 let PrintMethod = "printf512mem";
374 let MIOperandInfo = (ops ptr_rc, i8imm, VR512, i32imm, i8imm);
375 let ParserMatchClass = X86Mem512AsmOperand; }
377 // Gather mem operands
378 def vx32mem : X86MemOperand<"printi32mem">{
379 let MIOperandInfo = (ops ptr_rc, i8imm, VR128, i32imm, i8imm);
380 let ParserMatchClass = X86MemVX32Operand; }
381 def vy32mem : X86MemOperand<"printi32mem">{
382 let MIOperandInfo = (ops ptr_rc, i8imm, VR256, i32imm, i8imm);
383 let ParserMatchClass = X86MemVY32Operand; }
384 def vx64mem : X86MemOperand<"printi64mem">{
385 let MIOperandInfo = (ops ptr_rc, i8imm, VR128, i32imm, i8imm);
386 let ParserMatchClass = X86MemVX64Operand; }
387 def vy64mem : X86MemOperand<"printi64mem">{
388 let MIOperandInfo = (ops ptr_rc, i8imm, VR256, i32imm, i8imm);
389 let ParserMatchClass = X86MemVY64Operand; }
390 def vy64xmem : X86MemOperand<"printi64mem">{
391 let MIOperandInfo = (ops ptr_rc, i8imm, VR256X, i32imm, i8imm);
392 let ParserMatchClass = X86MemVY64Operand; }
393 def vz32mem : X86MemOperand<"printi32mem">{
394 let MIOperandInfo = (ops ptr_rc, i16imm, VR512, i32imm, i8imm);
395 let ParserMatchClass = X86MemVZ32Operand; }
396 def vz64mem : X86MemOperand<"printi64mem">{
397 let MIOperandInfo = (ops ptr_rc, i8imm, VR512, i32imm, i8imm);
398 let ParserMatchClass = X86MemVZ64Operand; }
401 // A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
402 // plain GR64, so that it doesn't potentially require a REX prefix.
403 def i8mem_NOREX : Operand<i64> {
404 let PrintMethod = "printi8mem";
405 let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_NOREX_NOSP, i32imm, i8imm);
406 let ParserMatchClass = X86Mem8AsmOperand;
407 let OperandType = "OPERAND_MEMORY";
410 // GPRs available for tailcall.
411 // It represents GR32_TC, GR64_TC or GR64_TCW64.
412 def ptr_rc_tailcall : PointerLikeRegClass<2>;
414 // Special i32mem for addresses of load folding tail calls. These are not
415 // allowed to use callee-saved registers since they must be scheduled
416 // after callee-saved register are popped.
417 def i32mem_TC : Operand<i32> {
418 let PrintMethod = "printi32mem";
419 let MIOperandInfo = (ops ptr_rc_tailcall, i8imm, ptr_rc_tailcall,
421 let ParserMatchClass = X86Mem32AsmOperand;
422 let OperandType = "OPERAND_MEMORY";
425 // Special i64mem for addresses of load folding tail calls. These are not
426 // allowed to use callee-saved registers since they must be scheduled
427 // after callee-saved register are popped.
428 def i64mem_TC : Operand<i64> {
429 let PrintMethod = "printi64mem";
430 let MIOperandInfo = (ops ptr_rc_tailcall, i8imm,
431 ptr_rc_tailcall, i32imm, i8imm);
432 let ParserMatchClass = X86Mem64AsmOperand;
433 let OperandType = "OPERAND_MEMORY";
436 let OperandType = "OPERAND_PCREL",
437 ParserMatchClass = X86AbsMemAsmOperand,
438 PrintMethod = "printPCRelImm" in {
439 def i32imm_pcrel : Operand<i32>;
440 def i16imm_pcrel : Operand<i16>;
442 // Branch targets have OtherVT type and print as pc-relative values.
443 def brtarget : Operand<OtherVT>;
444 def brtarget8 : Operand<OtherVT>;
448 def X86SrcIdx8Operand : AsmOperandClass {
449 let Name = "SrcIdx8";
450 let RenderMethod = "addSrcIdxOperands";
451 let SuperClasses = [X86Mem8AsmOperand];
453 def X86SrcIdx16Operand : AsmOperandClass {
454 let Name = "SrcIdx16";
455 let RenderMethod = "addSrcIdxOperands";
456 let SuperClasses = [X86Mem16AsmOperand];
458 def X86SrcIdx32Operand : AsmOperandClass {
459 let Name = "SrcIdx32";
460 let RenderMethod = "addSrcIdxOperands";
461 let SuperClasses = [X86Mem32AsmOperand];
463 def X86SrcIdx64Operand : AsmOperandClass {
464 let Name = "SrcIdx64";
465 let RenderMethod = "addSrcIdxOperands";
466 let SuperClasses = [X86Mem64AsmOperand];
468 def X86DstIdx8Operand : AsmOperandClass {
469 let Name = "DstIdx8";
470 let RenderMethod = "addDstIdxOperands";
471 let SuperClasses = [X86Mem8AsmOperand];
473 def X86DstIdx16Operand : AsmOperandClass {
474 let Name = "DstIdx16";
475 let RenderMethod = "addDstIdxOperands";
476 let SuperClasses = [X86Mem16AsmOperand];
478 def X86DstIdx32Operand : AsmOperandClass {
479 let Name = "DstIdx32";
480 let RenderMethod = "addDstIdxOperands";
481 let SuperClasses = [X86Mem32AsmOperand];
483 def X86DstIdx64Operand : AsmOperandClass {
484 let Name = "DstIdx64";
485 let RenderMethod = "addDstIdxOperands";
486 let SuperClasses = [X86Mem64AsmOperand];
488 def X86MemOffs8AsmOperand : AsmOperandClass {
489 let Name = "MemOffs8";
490 let RenderMethod = "addMemOffsOperands";
491 let SuperClasses = [X86Mem8AsmOperand];
493 def X86MemOffs16AsmOperand : AsmOperandClass {
494 let Name = "MemOffs16";
495 let RenderMethod = "addMemOffsOperands";
496 let SuperClasses = [X86Mem16AsmOperand];
498 def X86MemOffs32AsmOperand : AsmOperandClass {
499 let Name = "MemOffs32";
500 let RenderMethod = "addMemOffsOperands";
501 let SuperClasses = [X86Mem32AsmOperand];
503 def X86MemOffs64AsmOperand : AsmOperandClass {
504 let Name = "MemOffs64";
505 let RenderMethod = "addMemOffsOperands";
506 let SuperClasses = [X86Mem64AsmOperand];
508 let OperandType = "OPERAND_MEMORY" in {
509 def srcidx8 : Operand<iPTR> {
510 let ParserMatchClass = X86SrcIdx8Operand;
511 let MIOperandInfo = (ops ptr_rc, i8imm);
512 let PrintMethod = "printSrcIdx8"; }
513 def srcidx16 : Operand<iPTR> {
514 let ParserMatchClass = X86SrcIdx16Operand;
515 let MIOperandInfo = (ops ptr_rc, i8imm);
516 let PrintMethod = "printSrcIdx16"; }
517 def srcidx32 : Operand<iPTR> {
518 let ParserMatchClass = X86SrcIdx32Operand;
519 let MIOperandInfo = (ops ptr_rc, i8imm);
520 let PrintMethod = "printSrcIdx32"; }
521 def srcidx64 : Operand<iPTR> {
522 let ParserMatchClass = X86SrcIdx64Operand;
523 let MIOperandInfo = (ops ptr_rc, i8imm);
524 let PrintMethod = "printSrcIdx64"; }
525 def dstidx8 : Operand<iPTR> {
526 let ParserMatchClass = X86DstIdx8Operand;
527 let MIOperandInfo = (ops ptr_rc);
528 let PrintMethod = "printDstIdx8"; }
529 def dstidx16 : Operand<iPTR> {
530 let ParserMatchClass = X86DstIdx16Operand;
531 let MIOperandInfo = (ops ptr_rc);
532 let PrintMethod = "printDstIdx16"; }
533 def dstidx32 : Operand<iPTR> {
534 let ParserMatchClass = X86DstIdx32Operand;
535 let MIOperandInfo = (ops ptr_rc);
536 let PrintMethod = "printDstIdx32"; }
537 def dstidx64 : Operand<iPTR> {
538 let ParserMatchClass = X86DstIdx64Operand;
539 let MIOperandInfo = (ops ptr_rc);
540 let PrintMethod = "printDstIdx64"; }
541 def offset8 : Operand<iPTR> {
542 let ParserMatchClass = X86MemOffs8AsmOperand;
543 let MIOperandInfo = (ops i64imm, i8imm);
544 let PrintMethod = "printMemOffs8"; }
545 def offset16 : Operand<iPTR> {
546 let ParserMatchClass = X86MemOffs16AsmOperand;
547 let MIOperandInfo = (ops i64imm, i8imm);
548 let PrintMethod = "printMemOffs16"; }
549 def offset32 : Operand<iPTR> {
550 let ParserMatchClass = X86MemOffs32AsmOperand;
551 let MIOperandInfo = (ops i64imm, i8imm);
552 let PrintMethod = "printMemOffs32"; }
553 def offset64 : Operand<iPTR> {
554 let ParserMatchClass = X86MemOffs64AsmOperand;
555 let MIOperandInfo = (ops i64imm, i8imm);
556 let PrintMethod = "printMemOffs64"; }
560 def SSECC : Operand<i8> {
561 let PrintMethod = "printSSECC";
562 let OperandType = "OPERAND_IMMEDIATE";
565 def AVXCC : Operand<i8> {
566 let PrintMethod = "printAVXCC";
567 let OperandType = "OPERAND_IMMEDIATE";
570 class ImmSExtAsmOperandClass : AsmOperandClass {
571 let SuperClasses = [ImmAsmOperand];
572 let RenderMethod = "addImmOperands";
575 class ImmZExtAsmOperandClass : AsmOperandClass {
576 let SuperClasses = [ImmAsmOperand];
577 let RenderMethod = "addImmOperands";
580 def X86GR32orGR64AsmOperand : AsmOperandClass {
581 let Name = "GR32orGR64";
584 def GR32orGR64 : RegisterOperand<GR32> {
585 let ParserMatchClass = X86GR32orGR64AsmOperand;
588 def AVX512RC : Operand<i32> {
589 let PrintMethod = "printRoundingControl";
590 let OperandType = "OPERAND_IMMEDIATE";
592 // Sign-extended immediate classes. We don't need to define the full lattice
593 // here because there is no instruction with an ambiguity between ImmSExti64i32
596 // The strange ranges come from the fact that the assembler always works with
597 // 64-bit immediates, but for a 16-bit target value we want to accept both "-1"
598 // (which will be a -1ULL), and "0xFF" (-1 in 16-bits).
601 // [0xFFFFFFFF80000000, 0xFFFFFFFFFFFFFFFF]
602 def ImmSExti64i32AsmOperand : ImmSExtAsmOperandClass {
603 let Name = "ImmSExti64i32";
606 // [0, 0x0000007F] | [0x000000000000FF80, 0x000000000000FFFF] |
607 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
608 def ImmSExti16i8AsmOperand : ImmSExtAsmOperandClass {
609 let Name = "ImmSExti16i8";
610 let SuperClasses = [ImmSExti64i32AsmOperand];
613 // [0, 0x0000007F] | [0x00000000FFFFFF80, 0x00000000FFFFFFFF] |
614 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
615 def ImmSExti32i8AsmOperand : ImmSExtAsmOperandClass {
616 let Name = "ImmSExti32i8";
620 def ImmZExtu32u8AsmOperand : ImmZExtAsmOperandClass {
621 let Name = "ImmZExtu32u8";
626 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
627 def ImmSExti64i8AsmOperand : ImmSExtAsmOperandClass {
628 let Name = "ImmSExti64i8";
629 let SuperClasses = [ImmSExti16i8AsmOperand, ImmSExti32i8AsmOperand,
630 ImmSExti64i32AsmOperand];
633 // A couple of more descriptive operand definitions.
634 // 16-bits but only 8 bits are significant.
635 def i16i8imm : Operand<i16> {
636 let ParserMatchClass = ImmSExti16i8AsmOperand;
637 let OperandType = "OPERAND_IMMEDIATE";
639 // 32-bits but only 8 bits are significant.
640 def i32i8imm : Operand<i32> {
641 let ParserMatchClass = ImmSExti32i8AsmOperand;
642 let OperandType = "OPERAND_IMMEDIATE";
644 // 32-bits but only 8 bits are significant, and those 8 bits are unsigned.
645 def u32u8imm : Operand<i32> {
646 let ParserMatchClass = ImmZExtu32u8AsmOperand;
647 let OperandType = "OPERAND_IMMEDIATE";
650 // 64-bits but only 32 bits are significant.
651 def i64i32imm : Operand<i64> {
652 let ParserMatchClass = ImmSExti64i32AsmOperand;
653 let OperandType = "OPERAND_IMMEDIATE";
656 // 64-bits but only 32 bits are significant, and those bits are treated as being
658 def i64i32imm_pcrel : Operand<i64> {
659 let PrintMethod = "printPCRelImm";
660 let ParserMatchClass = X86AbsMemAsmOperand;
661 let OperandType = "OPERAND_PCREL";
664 // 64-bits but only 8 bits are significant.
665 def i64i8imm : Operand<i64> {
666 let ParserMatchClass = ImmSExti64i8AsmOperand;
667 let OperandType = "OPERAND_IMMEDIATE";
670 def lea64_32mem : Operand<i32> {
671 let PrintMethod = "printi32mem";
672 let MIOperandInfo = (ops GR64, i8imm, GR64_NOSP, i32imm, i8imm);
673 let ParserMatchClass = X86MemAsmOperand;
676 // Memory operands that use 64-bit pointers in both ILP32 and LP64.
677 def lea64mem : Operand<i64> {
678 let PrintMethod = "printi64mem";
679 let MIOperandInfo = (ops GR64, i8imm, GR64_NOSP, i32imm, i8imm);
680 let ParserMatchClass = X86MemAsmOperand;
684 //===----------------------------------------------------------------------===//
685 // X86 Complex Pattern Definitions.
688 // Define X86 specific addressing mode.
689 def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], [SDNPWantParent]>;
690 def lea32addr : ComplexPattern<i32, 5, "SelectLEAAddr",
691 [add, sub, mul, X86mul_imm, shl, or, frameindex],
693 // In 64-bit mode 32-bit LEAs can use RIP-relative addressing.
694 def lea64_32addr : ComplexPattern<i32, 5, "SelectLEA64_32Addr",
695 [add, sub, mul, X86mul_imm, shl, or,
696 frameindex, X86WrapperRIP],
699 def tls32addr : ComplexPattern<i32, 5, "SelectTLSADDRAddr",
700 [tglobaltlsaddr], []>;
702 def tls32baseaddr : ComplexPattern<i32, 5, "SelectTLSADDRAddr",
703 [tglobaltlsaddr], []>;
705 def lea64addr : ComplexPattern<i64, 5, "SelectLEAAddr",
706 [add, sub, mul, X86mul_imm, shl, or, frameindex,
709 def tls64addr : ComplexPattern<i64, 5, "SelectTLSADDRAddr",
710 [tglobaltlsaddr], []>;
712 def tls64baseaddr : ComplexPattern<i64, 5, "SelectTLSADDRAddr",
713 [tglobaltlsaddr], []>;
715 //===----------------------------------------------------------------------===//
716 // X86 Instruction Predicate Definitions.
717 def HasCMov : Predicate<"Subtarget->hasCMov()">;
718 def NoCMov : Predicate<"!Subtarget->hasCMov()">;
720 def HasMMX : Predicate<"Subtarget->hasMMX()">;
721 def Has3DNow : Predicate<"Subtarget->has3DNow()">;
722 def Has3DNowA : Predicate<"Subtarget->has3DNowA()">;
723 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
724 def UseSSE1 : Predicate<"Subtarget->hasSSE1() && !Subtarget->hasAVX()">;
725 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
726 def UseSSE2 : Predicate<"Subtarget->hasSSE2() && !Subtarget->hasAVX()">;
727 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
728 def UseSSE3 : Predicate<"Subtarget->hasSSE3() && !Subtarget->hasAVX()">;
729 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
730 def UseSSSE3 : Predicate<"Subtarget->hasSSSE3() && !Subtarget->hasAVX()">;
731 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
732 def UseSSE41 : Predicate<"Subtarget->hasSSE41() && !Subtarget->hasAVX()">;
733 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
734 def UseSSE42 : Predicate<"Subtarget->hasSSE42() && !Subtarget->hasAVX()">;
735 def HasSSE4A : Predicate<"Subtarget->hasSSE4A()">;
736 def HasAVX : Predicate<"Subtarget->hasAVX()">;
737 def HasAVX2 : Predicate<"Subtarget->hasAVX2()">;
738 def HasAVX1Only : Predicate<"Subtarget->hasAVX() && !Subtarget->hasAVX2()">;
739 def HasAVX512 : Predicate<"Subtarget->hasAVX512()">,
740 AssemblerPredicate<"FeatureAVX512", "AVX-512 ISA">;
741 def UseAVX : Predicate<"Subtarget->hasAVX() && !Subtarget->hasAVX512()">;
742 def UseAVX2 : Predicate<"Subtarget->hasAVX2() && !Subtarget->hasAVX512()">;
743 def NoAVX512 : Predicate<"!Subtarget->hasAVX512()">;
744 def HasCDI : Predicate<"Subtarget->hasCDI()">;
745 def HasPFI : Predicate<"Subtarget->hasPFI()">;
746 def HasERI : Predicate<"Subtarget->hasERI()">;
748 def HasPOPCNT : Predicate<"Subtarget->hasPOPCNT()">;
749 def HasAES : Predicate<"Subtarget->hasAES()">;
750 def HasPCLMUL : Predicate<"Subtarget->hasPCLMUL()">;
751 def HasFMA : Predicate<"Subtarget->hasFMA()">;
752 def UseFMAOnAVX : Predicate<"Subtarget->hasFMA() && !Subtarget->hasAVX512()">;
753 def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
754 def HasXOP : Predicate<"Subtarget->hasXOP()">;
755 def HasTBM : Predicate<"Subtarget->hasTBM()">;
756 def HasMOVBE : Predicate<"Subtarget->hasMOVBE()">;
757 def HasRDRAND : Predicate<"Subtarget->hasRDRAND()">;
758 def HasF16C : Predicate<"Subtarget->hasF16C()">;
759 def HasFSGSBase : Predicate<"Subtarget->hasFSGSBase()">;
760 def HasLZCNT : Predicate<"Subtarget->hasLZCNT()">;
761 def HasBMI : Predicate<"Subtarget->hasBMI()">;
762 def HasBMI2 : Predicate<"Subtarget->hasBMI2()">;
763 def HasRTM : Predicate<"Subtarget->hasRTM()">;
764 def HasHLE : Predicate<"Subtarget->hasHLE()">;
765 def HasTSX : Predicate<"Subtarget->hasRTM() || Subtarget->hasHLE()">;
766 def HasADX : Predicate<"Subtarget->hasADX()">;
767 def HasSHA : Predicate<"Subtarget->hasSHA()">;
768 def HasPRFCHW : Predicate<"Subtarget->hasPRFCHW()">;
769 def HasRDSEED : Predicate<"Subtarget->hasRDSEED()">;
770 def HasPrefetchW : Predicate<"Subtarget->hasPRFCHW()">;
771 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
772 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
773 def HasCmpxchg16b: Predicate<"Subtarget->hasCmpxchg16b()">;
774 def Not64BitMode : Predicate<"!Subtarget->is64Bit()">,
775 AssemblerPredicate<"!Mode64Bit", "Not 64-bit mode">;
776 def In64BitMode : Predicate<"Subtarget->is64Bit()">,
777 AssemblerPredicate<"Mode64Bit", "64-bit mode">;
778 def In16BitMode : Predicate<"Subtarget->is16Bit()">,
779 AssemblerPredicate<"Mode16Bit", "16-bit mode">;
780 def Not16BitMode : Predicate<"!Subtarget->is16Bit()">,
781 AssemblerPredicate<"!Mode16Bit", "Not 16-bit mode">;
782 def In32BitMode : Predicate<"Subtarget->is32Bit()">,
783 AssemblerPredicate<"Mode32Bit", "32-bit mode">;
784 def IsWin64 : Predicate<"Subtarget->isTargetWin64()">;
785 def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
786 def NotNaCl : Predicate<"!Subtarget->isTargetNaCl()">;
787 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
788 def KernelCode : Predicate<"TM.getCodeModel() == CodeModel::Kernel">;
789 def FarData : Predicate<"TM.getCodeModel() != CodeModel::Small &&"
790 "TM.getCodeModel() != CodeModel::Kernel">;
791 def NearData : Predicate<"TM.getCodeModel() == CodeModel::Small ||"
792 "TM.getCodeModel() == CodeModel::Kernel">;
793 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
794 def IsNotPIC : Predicate<"TM.getRelocationModel() != Reloc::PIC_">;
795 def OptForSize : Predicate<"OptForSize">;
796 def OptForSpeed : Predicate<"!OptForSize">;
797 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
798 def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
799 def FavorMemIndirectCall : Predicate<"!Subtarget->callRegIndirect()">;
800 def NotSlowIncDec : Predicate<"!Subtarget->slowIncDec()">;
802 //===----------------------------------------------------------------------===//
803 // X86 Instruction Format Definitions.
806 include "X86InstrFormats.td"
808 //===----------------------------------------------------------------------===//
809 // Pattern fragments.
812 // X86 specific condition code. These correspond to CondCode in
813 // X86InstrInfo.h. They must be kept in synch.
814 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
815 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
816 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
817 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
818 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
819 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
820 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
821 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
822 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
823 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
824 def X86_COND_NO : PatLeaf<(i8 10)>;
825 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
826 def X86_COND_NS : PatLeaf<(i8 12)>;
827 def X86_COND_O : PatLeaf<(i8 13)>;
828 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
829 def X86_COND_S : PatLeaf<(i8 15)>;
831 let FastIselShouldIgnore = 1 in { // FastIsel should ignore all simm8 instrs.
832 def i16immSExt8 : ImmLeaf<i16, [{ return Imm == (int8_t)Imm; }]>;
833 def i32immSExt8 : ImmLeaf<i32, [{ return Imm == (int8_t)Imm; }]>;
834 def i64immSExt8 : ImmLeaf<i64, [{ return Imm == (int8_t)Imm; }]>;
837 def i64immSExt32 : ImmLeaf<i64, [{ return Imm == (int32_t)Imm; }]>;
840 // i64immZExt32 predicate - True if the 64-bit immediate fits in a 32-bit
842 def i64immZExt32 : ImmLeaf<i64, [{ return (uint64_t)Imm == (uint32_t)Imm; }]>;
844 def i64immZExt32SExt8 : ImmLeaf<i64, [{
845 return (uint64_t)Imm == (uint32_t)Imm && (int32_t)Imm == (int8_t)Imm;
848 // Helper fragments for loads.
849 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
850 // known to be 32-bit aligned or better. Ditto for i8 to i16.
851 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
852 LoadSDNode *LD = cast<LoadSDNode>(N);
853 ISD::LoadExtType ExtType = LD->getExtensionType();
854 if (ExtType == ISD::NON_EXTLOAD)
856 if (ExtType == ISD::EXTLOAD)
857 return LD->getAlignment() >= 2 && !LD->isVolatile();
861 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)),[{
862 LoadSDNode *LD = cast<LoadSDNode>(N);
863 ISD::LoadExtType ExtType = LD->getExtensionType();
864 if (ExtType == ISD::EXTLOAD)
865 return LD->getAlignment() >= 2 && !LD->isVolatile();
869 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
870 LoadSDNode *LD = cast<LoadSDNode>(N);
871 ISD::LoadExtType ExtType = LD->getExtensionType();
872 if (ExtType == ISD::NON_EXTLOAD)
874 if (ExtType == ISD::EXTLOAD)
875 return LD->getAlignment() >= 4 && !LD->isVolatile();
879 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
880 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr))>;
881 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
882 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
883 def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr))>;
885 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
886 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
887 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
888 def sextloadi64i8 : PatFrag<(ops node:$ptr), (i64 (sextloadi8 node:$ptr))>;
889 def sextloadi64i16 : PatFrag<(ops node:$ptr), (i64 (sextloadi16 node:$ptr))>;
890 def sextloadi64i32 : PatFrag<(ops node:$ptr), (i64 (sextloadi32 node:$ptr))>;
892 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
893 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
894 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
895 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
896 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
897 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
898 def zextloadi64i1 : PatFrag<(ops node:$ptr), (i64 (zextloadi1 node:$ptr))>;
899 def zextloadi64i8 : PatFrag<(ops node:$ptr), (i64 (zextloadi8 node:$ptr))>;
900 def zextloadi64i16 : PatFrag<(ops node:$ptr), (i64 (zextloadi16 node:$ptr))>;
901 def zextloadi64i32 : PatFrag<(ops node:$ptr), (i64 (zextloadi32 node:$ptr))>;
903 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
904 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
905 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
906 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
907 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
908 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
909 def extloadi64i1 : PatFrag<(ops node:$ptr), (i64 (extloadi1 node:$ptr))>;
910 def extloadi64i8 : PatFrag<(ops node:$ptr), (i64 (extloadi8 node:$ptr))>;
911 def extloadi64i16 : PatFrag<(ops node:$ptr), (i64 (extloadi16 node:$ptr))>;
912 def extloadi64i32 : PatFrag<(ops node:$ptr), (i64 (extloadi32 node:$ptr))>;
915 // An 'and' node with a single use.
916 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
917 return N->hasOneUse();
919 // An 'srl' node with a single use.
920 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
921 return N->hasOneUse();
923 // An 'trunc' node with a single use.
924 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
925 return N->hasOneUse();
928 //===----------------------------------------------------------------------===//
933 let neverHasSideEffects = 1, SchedRW = [WriteZero] in {
934 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", [], IIC_NOP>;
935 def NOOPW : I<0x1f, MRMXm, (outs), (ins i16mem:$zero),
936 "nop{w}\t$zero", [], IIC_NOP>, TB, OpSize16;
937 def NOOPL : I<0x1f, MRMXm, (outs), (ins i32mem:$zero),
938 "nop{l}\t$zero", [], IIC_NOP>, TB, OpSize32;
942 // Constructing a stack frame.
943 def ENTER : Ii16<0xC8, RawFrmImm8, (outs), (ins i16imm:$len, i8imm:$lvl),
944 "enter\t$len, $lvl", [], IIC_ENTER>, Sched<[WriteMicrocoded]>;
946 let SchedRW = [WriteALU] in {
947 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
948 def LEAVE : I<0xC9, RawFrm,
949 (outs), (ins), "leave", [], IIC_LEAVE>,
950 Requires<[Not64BitMode]>;
952 let Defs = [RBP,RSP], Uses = [RBP,RSP], mayLoad = 1, neverHasSideEffects = 1 in
953 def LEAVE64 : I<0xC9, RawFrm,
954 (outs), (ins), "leave", [], IIC_LEAVE>,
955 Requires<[In64BitMode]>;
958 //===----------------------------------------------------------------------===//
959 // Miscellaneous Instructions.
962 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
963 let mayLoad = 1, SchedRW = [WriteLoad] in {
964 def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", [],
965 IIC_POP_REG16>, OpSize16;
966 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", [],
967 IIC_POP_REG>, OpSize32, Requires<[Not64BitMode]>;
968 def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", [],
969 IIC_POP_REG>, OpSize16;
970 def POP16rmm: I<0x8F, MRM0m, (outs), (ins i16mem:$dst), "pop{w}\t$dst", [],
971 IIC_POP_MEM>, OpSize16;
972 def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", [],
973 IIC_POP_REG>, OpSize32, Requires<[Not64BitMode]>;
974 def POP32rmm: I<0x8F, MRM0m, (outs), (ins i32mem:$dst), "pop{l}\t$dst", [],
975 IIC_POP_MEM>, OpSize32, Requires<[Not64BitMode]>;
977 def POPF16 : I<0x9D, RawFrm, (outs), (ins), "popf{w}", [], IIC_POP_F>,
979 def POPF32 : I<0x9D, RawFrm, (outs), (ins), "popf{l|d}", [], IIC_POP_FD>,
980 OpSize32, Requires<[Not64BitMode]>;
981 } // mayLoad, SchedRW
983 let mayStore = 1, SchedRW = [WriteStore] in {
984 def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[],
985 IIC_PUSH_REG>, OpSize16;
986 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[],
987 IIC_PUSH_REG>, OpSize32, Requires<[Not64BitMode]>;
988 def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[],
989 IIC_PUSH_REG>, OpSize16;
990 def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[],
991 IIC_PUSH_MEM>, OpSize16;
992 def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[],
993 IIC_PUSH_REG>, OpSize32, Requires<[Not64BitMode]>;
994 def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[],
995 IIC_PUSH_MEM>, OpSize32, Requires<[Not64BitMode]>;
997 def PUSH16i8 : Ii8<0x6a, RawFrm, (outs), (ins i16i8imm:$imm),
998 "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16,
999 Requires<[Not64BitMode]>;
1000 def PUSH32i8 : Ii8<0x6a, RawFrm, (outs), (ins i32i8imm:$imm),
1001 "push{l}\t$imm", [], IIC_PUSH_IMM>, OpSize32,
1002 Requires<[Not64BitMode]>;
1003 def PUSHi16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
1004 "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16,
1005 Requires<[Not64BitMode]>;
1006 def PUSHi32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
1007 "push{l}\t$imm", [], IIC_PUSH_IMM>, OpSize32,
1008 Requires<[Not64BitMode]>;
1010 def PUSHF16 : I<0x9C, RawFrm, (outs), (ins), "pushf{w}", [], IIC_PUSH_F>,
1012 def PUSHF32 : I<0x9C, RawFrm, (outs), (ins), "pushf{l|d}", [], IIC_PUSH_F>,
1013 OpSize32, Requires<[Not64BitMode]>;
1015 } // mayStore, SchedRW
1018 let Defs = [RSP], Uses = [RSP], neverHasSideEffects=1 in {
1019 let mayLoad = 1, SchedRW = [WriteLoad] in {
1020 def POP64r : I<0x58, AddRegFrm, (outs GR64:$reg), (ins), "pop{q}\t$reg", [],
1021 IIC_POP_REG>, OpSize32, Requires<[In64BitMode]>;
1022 def POP64rmr: I<0x8F, MRM0r, (outs GR64:$reg), (ins), "pop{q}\t$reg", [],
1023 IIC_POP_REG>, OpSize32, Requires<[In64BitMode]>;
1024 def POP64rmm: I<0x8F, MRM0m, (outs), (ins i64mem:$dst), "pop{q}\t$dst", [],
1025 IIC_POP_MEM>, OpSize32, Requires<[In64BitMode]>;
1026 } // mayLoad, SchedRW
1027 let mayStore = 1, SchedRW = [WriteStore] in {
1028 def PUSH64r : I<0x50, AddRegFrm, (outs), (ins GR64:$reg), "push{q}\t$reg", [],
1029 IIC_PUSH_REG>, OpSize32, Requires<[In64BitMode]>;
1030 def PUSH64rmr: I<0xFF, MRM6r, (outs), (ins GR64:$reg), "push{q}\t$reg", [],
1031 IIC_PUSH_REG>, OpSize32, Requires<[In64BitMode]>;
1032 def PUSH64rmm: I<0xFF, MRM6m, (outs), (ins i64mem:$src), "push{q}\t$src", [],
1033 IIC_PUSH_MEM>, OpSize32, Requires<[In64BitMode]>;
1034 } // mayStore, SchedRW
1037 let Defs = [RSP], Uses = [RSP], neverHasSideEffects = 1, mayStore = 1,
1038 SchedRW = [WriteStore] in {
1039 def PUSH64i8 : Ii8<0x6a, RawFrm, (outs), (ins i64i8imm:$imm),
1040 "push{q}\t$imm", [], IIC_PUSH_IMM>, Requires<[In64BitMode]>;
1041 def PUSH64i16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
1042 "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16,
1043 Requires<[In64BitMode]>;
1044 def PUSH64i32 : Ii32S<0x68, RawFrm, (outs), (ins i64i32imm:$imm),
1045 "push{q}\t$imm", [], IIC_PUSH_IMM>, OpSize32,
1046 Requires<[In64BitMode]>;
1049 let Defs = [RSP, EFLAGS], Uses = [RSP], mayLoad = 1, neverHasSideEffects=1 in
1050 def POPF64 : I<0x9D, RawFrm, (outs), (ins), "popfq", [], IIC_POP_FD>,
1051 OpSize32, Requires<[In64BitMode]>, Sched<[WriteLoad]>;
1052 let Defs = [RSP], Uses = [RSP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in
1053 def PUSHF64 : I<0x9C, RawFrm, (outs), (ins), "pushfq", [], IIC_PUSH_F>,
1054 OpSize32, Requires<[In64BitMode]>, Sched<[WriteStore]>;
1056 let Defs = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP], Uses = [ESP],
1057 mayLoad = 1, neverHasSideEffects = 1, SchedRW = [WriteLoad] in {
1058 def POPA32 : I<0x61, RawFrm, (outs), (ins), "popal", [], IIC_POP_A>,
1059 OpSize32, Requires<[Not64BitMode]>;
1060 def POPA16 : I<0x61, RawFrm, (outs), (ins), "popaw", [], IIC_POP_A>,
1061 OpSize16, Requires<[Not64BitMode]>;
1063 let Defs = [ESP], Uses = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP],
1064 mayStore = 1, neverHasSideEffects = 1, SchedRW = [WriteStore] in {
1065 def PUSHA32 : I<0x60, RawFrm, (outs), (ins), "pushal", [], IIC_PUSH_A>,
1066 OpSize32, Requires<[Not64BitMode]>;
1067 def PUSHA16 : I<0x60, RawFrm, (outs), (ins), "pushaw", [], IIC_PUSH_A>,
1068 OpSize16, Requires<[Not64BitMode]>;
1071 let Constraints = "$src = $dst", SchedRW = [WriteALU] in {
1072 // GR32 = bswap GR32
1073 def BSWAP32r : I<0xC8, AddRegFrm,
1074 (outs GR32:$dst), (ins GR32:$src),
1076 [(set GR32:$dst, (bswap GR32:$src))], IIC_BSWAP>, OpSize32, TB;
1078 def BSWAP64r : RI<0xC8, AddRegFrm, (outs GR64:$dst), (ins GR64:$src),
1080 [(set GR64:$dst, (bswap GR64:$src))], IIC_BSWAP>, TB;
1081 } // Constraints = "$src = $dst", SchedRW
1083 // Bit scan instructions.
1084 let Defs = [EFLAGS] in {
1085 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1086 "bsf{w}\t{$src, $dst|$dst, $src}",
1087 [(set GR16:$dst, EFLAGS, (X86bsf GR16:$src))],
1088 IIC_BIT_SCAN_REG>, PS, OpSize16, Sched<[WriteShift]>;
1089 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1090 "bsf{w}\t{$src, $dst|$dst, $src}",
1091 [(set GR16:$dst, EFLAGS, (X86bsf (loadi16 addr:$src)))],
1092 IIC_BIT_SCAN_MEM>, PS, OpSize16, Sched<[WriteShiftLd]>;
1093 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1094 "bsf{l}\t{$src, $dst|$dst, $src}",
1095 [(set GR32:$dst, EFLAGS, (X86bsf GR32:$src))],
1096 IIC_BIT_SCAN_REG>, PS, OpSize32, Sched<[WriteShift]>;
1097 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1098 "bsf{l}\t{$src, $dst|$dst, $src}",
1099 [(set GR32:$dst, EFLAGS, (X86bsf (loadi32 addr:$src)))],
1100 IIC_BIT_SCAN_MEM>, PS, OpSize32, Sched<[WriteShiftLd]>;
1101 def BSF64rr : RI<0xBC, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1102 "bsf{q}\t{$src, $dst|$dst, $src}",
1103 [(set GR64:$dst, EFLAGS, (X86bsf GR64:$src))],
1104 IIC_BIT_SCAN_REG>, PS, Sched<[WriteShift]>;
1105 def BSF64rm : RI<0xBC, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1106 "bsf{q}\t{$src, $dst|$dst, $src}",
1107 [(set GR64:$dst, EFLAGS, (X86bsf (loadi64 addr:$src)))],
1108 IIC_BIT_SCAN_MEM>, PS, Sched<[WriteShiftLd]>;
1110 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1111 "bsr{w}\t{$src, $dst|$dst, $src}",
1112 [(set GR16:$dst, EFLAGS, (X86bsr GR16:$src))],
1113 IIC_BIT_SCAN_REG>, PS, OpSize16, Sched<[WriteShift]>;
1114 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1115 "bsr{w}\t{$src, $dst|$dst, $src}",
1116 [(set GR16:$dst, EFLAGS, (X86bsr (loadi16 addr:$src)))],
1117 IIC_BIT_SCAN_MEM>, PS, OpSize16, Sched<[WriteShiftLd]>;
1118 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1119 "bsr{l}\t{$src, $dst|$dst, $src}",
1120 [(set GR32:$dst, EFLAGS, (X86bsr GR32:$src))],
1121 IIC_BIT_SCAN_REG>, PS, OpSize32, Sched<[WriteShift]>;
1122 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1123 "bsr{l}\t{$src, $dst|$dst, $src}",
1124 [(set GR32:$dst, EFLAGS, (X86bsr (loadi32 addr:$src)))],
1125 IIC_BIT_SCAN_MEM>, PS, OpSize32, Sched<[WriteShiftLd]>;
1126 def BSR64rr : RI<0xBD, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1127 "bsr{q}\t{$src, $dst|$dst, $src}",
1128 [(set GR64:$dst, EFLAGS, (X86bsr GR64:$src))],
1129 IIC_BIT_SCAN_REG>, PS, Sched<[WriteShift]>;
1130 def BSR64rm : RI<0xBD, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1131 "bsr{q}\t{$src, $dst|$dst, $src}",
1132 [(set GR64:$dst, EFLAGS, (X86bsr (loadi64 addr:$src)))],
1133 IIC_BIT_SCAN_MEM>, PS, Sched<[WriteShiftLd]>;
1134 } // Defs = [EFLAGS]
1136 let SchedRW = [WriteMicrocoded] in {
1137 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1138 let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in {
1139 def MOVSB : I<0xA4, RawFrmDstSrc, (outs dstidx8:$dst), (ins srcidx8:$src),
1140 "movsb\t{$src, $dst|$dst, $src}", [], IIC_MOVS>;
1141 def MOVSW : I<0xA5, RawFrmDstSrc, (outs dstidx16:$dst), (ins srcidx16:$src),
1142 "movsw\t{$src, $dst|$dst, $src}", [], IIC_MOVS>, OpSize16;
1143 def MOVSL : I<0xA5, RawFrmDstSrc, (outs dstidx32:$dst), (ins srcidx32:$src),
1144 "movs{l|d}\t{$src, $dst|$dst, $src}", [], IIC_MOVS>, OpSize32;
1145 def MOVSQ : RI<0xA5, RawFrmDstSrc, (outs dstidx64:$dst), (ins srcidx64:$src),
1146 "movsq\t{$src, $dst|$dst, $src}", [], IIC_MOVS>;
1149 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1150 let Defs = [EDI], Uses = [AL,EDI,EFLAGS] in
1151 def STOSB : I<0xAA, RawFrmDst, (outs dstidx8:$dst), (ins),
1152 "stosb\t{%al, $dst|$dst, al}", [], IIC_STOS>;
1153 let Defs = [EDI], Uses = [AX,EDI,EFLAGS] in
1154 def STOSW : I<0xAB, RawFrmDst, (outs dstidx16:$dst), (ins),
1155 "stosw\t{%ax, $dst|$dst, ax}", [], IIC_STOS>, OpSize16;
1156 let Defs = [EDI], Uses = [EAX,EDI,EFLAGS] in
1157 def STOSL : I<0xAB, RawFrmDst, (outs dstidx32:$dst), (ins),
1158 "stos{l|d}\t{%eax, $dst|$dst, eax}", [], IIC_STOS>, OpSize32;
1159 let Defs = [RCX,RDI], Uses = [RAX,RCX,RDI,EFLAGS] in
1160 def STOSQ : RI<0xAB, RawFrmDst, (outs dstidx64:$dst), (ins),
1161 "stosq\t{%rax, $dst|$dst, rax}", [], IIC_STOS>;
1163 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1164 let Defs = [EDI,EFLAGS], Uses = [AL,EDI,EFLAGS] in
1165 def SCASB : I<0xAE, RawFrmDst, (outs), (ins dstidx8:$dst),
1166 "scasb\t{$dst, %al|al, $dst}", [], IIC_SCAS>;
1167 let Defs = [EDI,EFLAGS], Uses = [AX,EDI,EFLAGS] in
1168 def SCASW : I<0xAF, RawFrmDst, (outs), (ins dstidx16:$dst),
1169 "scasw\t{$dst, %ax|ax, $dst}", [], IIC_SCAS>, OpSize16;
1170 let Defs = [EDI,EFLAGS], Uses = [EAX,EDI,EFLAGS] in
1171 def SCASL : I<0xAF, RawFrmDst, (outs), (ins dstidx32:$dst),
1172 "scas{l|d}\t{$dst, %eax|eax, $dst}", [], IIC_SCAS>, OpSize32;
1173 let Defs = [EDI,EFLAGS], Uses = [RAX,EDI,EFLAGS] in
1174 def SCASQ : RI<0xAF, RawFrmDst, (outs), (ins dstidx64:$dst),
1175 "scasq\t{$dst, %rax|rax, $dst}", [], IIC_SCAS>;
1177 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1178 let Defs = [EDI,ESI,EFLAGS], Uses = [EDI,ESI,EFLAGS] in {
1179 def CMPSB : I<0xA6, RawFrmDstSrc, (outs), (ins dstidx8:$dst, srcidx8:$src),
1180 "cmpsb\t{$dst, $src|$src, $dst}", [], IIC_CMPS>;
1181 def CMPSW : I<0xA7, RawFrmDstSrc, (outs), (ins dstidx16:$dst, srcidx16:$src),
1182 "cmpsw\t{$dst, $src|$src, $dst}", [], IIC_CMPS>, OpSize16;
1183 def CMPSL : I<0xA7, RawFrmDstSrc, (outs), (ins dstidx32:$dst, srcidx32:$src),
1184 "cmps{l|d}\t{$dst, $src|$src, $dst}", [], IIC_CMPS>, OpSize32;
1185 def CMPSQ : RI<0xA7, RawFrmDstSrc, (outs), (ins dstidx64:$dst, srcidx64:$src),
1186 "cmpsq\t{$dst, $src|$src, $dst}", [], IIC_CMPS>;
1190 //===----------------------------------------------------------------------===//
1191 // Move Instructions.
1193 let SchedRW = [WriteMove] in {
1194 let neverHasSideEffects = 1 in {
1195 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
1196 "mov{b}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1197 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1198 "mov{w}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize16;
1199 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
1200 "mov{l}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize32;
1201 def MOV64rr : RI<0x89, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
1202 "mov{q}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1205 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
1206 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
1207 "mov{b}\t{$src, $dst|$dst, $src}",
1208 [(set GR8:$dst, imm:$src)], IIC_MOV>;
1209 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
1210 "mov{w}\t{$src, $dst|$dst, $src}",
1211 [(set GR16:$dst, imm:$src)], IIC_MOV>, OpSize16;
1212 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
1213 "mov{l}\t{$src, $dst|$dst, $src}",
1214 [(set GR32:$dst, imm:$src)], IIC_MOV>, OpSize32;
1215 def MOV64ri32 : RIi32S<0xC7, MRM0r, (outs GR64:$dst), (ins i64i32imm:$src),
1216 "mov{q}\t{$src, $dst|$dst, $src}",
1217 [(set GR64:$dst, i64immSExt32:$src)], IIC_MOV>;
1219 let isReMaterializable = 1 in {
1220 def MOV64ri : RIi64<0xB8, AddRegFrm, (outs GR64:$dst), (ins i64imm:$src),
1221 "movabs{q}\t{$src, $dst|$dst, $src}",
1222 [(set GR64:$dst, imm:$src)], IIC_MOV>;
1225 // Longer forms that use a ModR/M byte. Needed for disassembler
1226 let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0 in {
1227 def MOV8ri_alt : Ii8 <0xC6, MRM0r, (outs GR8 :$dst), (ins i8imm :$src),
1228 "mov{b}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1229 def MOV16ri_alt : Ii16<0xC7, MRM0r, (outs GR16:$dst), (ins i16imm:$src),
1230 "mov{w}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize16;
1231 def MOV32ri_alt : Ii32<0xC7, MRM0r, (outs GR32:$dst), (ins i32imm:$src),
1232 "mov{l}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize32;
1236 let SchedRW = [WriteStore] in {
1237 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
1238 "mov{b}\t{$src, $dst|$dst, $src}",
1239 [(store (i8 imm:$src), addr:$dst)], IIC_MOV_MEM>;
1240 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
1241 "mov{w}\t{$src, $dst|$dst, $src}",
1242 [(store (i16 imm:$src), addr:$dst)], IIC_MOV_MEM>, OpSize16;
1243 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
1244 "mov{l}\t{$src, $dst|$dst, $src}",
1245 [(store (i32 imm:$src), addr:$dst)], IIC_MOV_MEM>, OpSize32;
1246 def MOV64mi32 : RIi32S<0xC7, MRM0m, (outs), (ins i64mem:$dst, i64i32imm:$src),
1247 "mov{q}\t{$src, $dst|$dst, $src}",
1248 [(store i64immSExt32:$src, addr:$dst)], IIC_MOV_MEM>;
1251 let hasSideEffects = 0 in {
1253 /// moffs8, moffs16 and moffs32 versions of moves. The immediate is a
1254 /// 32-bit offset from the segment base. These are only valid in x86-32 mode.
1255 let SchedRW = [WriteALU] in {
1256 let mayLoad = 1 in {
1258 def MOV8o8a : Ii32 <0xA0, RawFrmMemOffs, (outs), (ins offset8:$src),
1259 "mov{b}\t{$src, %al|al, $src}", [], IIC_MOV_MEM>,
1260 Requires<[In32BitMode]>;
1262 def MOV16o16a : Ii32 <0xA1, RawFrmMemOffs, (outs), (ins offset16:$src),
1263 "mov{w}\t{$src, %ax|ax, $src}", [], IIC_MOV_MEM>,
1264 OpSize16, Requires<[In32BitMode]>;
1266 def MOV32o32a : Ii32 <0xA1, RawFrmMemOffs, (outs), (ins offset32:$src),
1267 "mov{l}\t{$src, %eax|eax, $src}", [], IIC_MOV_MEM>,
1268 OpSize32, Requires<[In32BitMode]>;
1271 def MOV8o8a_16 : Ii16 <0xA0, RawFrmMemOffs, (outs), (ins offset8:$src),
1272 "mov{b}\t{$src, %al|al, $src}", [], IIC_MOV_MEM>,
1273 AdSize, Requires<[In16BitMode]>;
1275 def MOV16o16a_16 : Ii16 <0xA1, RawFrmMemOffs, (outs), (ins offset16:$src),
1276 "mov{w}\t{$src, %ax|ax, $src}", [], IIC_MOV_MEM>,
1277 OpSize16, AdSize, Requires<[In16BitMode]>;
1279 def MOV32o32a_16 : Ii16 <0xA1, RawFrmMemOffs, (outs), (ins offset32:$src),
1280 "mov{l}\t{$src, %eax|eax, $src}", [], IIC_MOV_MEM>,
1281 AdSize, OpSize32, Requires<[In16BitMode]>;
1283 let mayStore = 1 in {
1285 def MOV8ao8 : Ii32 <0xA2, RawFrmMemOffs, (outs offset8:$dst), (ins),
1286 "mov{b}\t{%al, $dst|$dst, al}", [], IIC_MOV_MEM>,
1287 Requires<[In32BitMode]>;
1289 def MOV16ao16 : Ii32 <0xA3, RawFrmMemOffs, (outs offset16:$dst), (ins),
1290 "mov{w}\t{%ax, $dst|$dst, ax}", [], IIC_MOV_MEM>,
1291 OpSize16, Requires<[In32BitMode]>;
1293 def MOV32ao32 : Ii32 <0xA3, RawFrmMemOffs, (outs offset32:$dst), (ins),
1294 "mov{l}\t{%eax, $dst|$dst, eax}", [], IIC_MOV_MEM>,
1295 OpSize32, Requires<[In32BitMode]>;
1298 def MOV8ao8_16 : Ii16 <0xA2, RawFrmMemOffs, (outs offset8:$dst), (ins),
1299 "mov{b}\t{%al, $dst|$dst, al}", [], IIC_MOV_MEM>,
1300 AdSize, Requires<[In16BitMode]>;
1302 def MOV16ao16_16 : Ii16 <0xA3, RawFrmMemOffs, (outs offset16:$dst), (ins),
1303 "mov{w}\t{%ax, $dst|$dst, ax}", [], IIC_MOV_MEM>,
1304 OpSize16, AdSize, Requires<[In16BitMode]>;
1306 def MOV32ao32_16 : Ii16 <0xA3, RawFrmMemOffs, (outs offset32:$dst), (ins),
1307 "mov{l}\t{%eax, $dst|$dst, eax}", [], IIC_MOV_MEM>,
1308 OpSize32, AdSize, Requires<[In16BitMode]>;
1312 // These forms all have full 64-bit absolute addresses in their instructions
1313 // and use the movabs mnemonic to indicate this specific form.
1314 let mayLoad = 1 in {
1316 def MOV64o8a : RIi64_NOREX<0xA0, RawFrmMemOffs, (outs), (ins offset8:$src),
1317 "movabs{b}\t{$src, %al|al, $src}", []>,
1318 Requires<[In64BitMode]>;
1320 def MOV64o16a : RIi64_NOREX<0xA1, RawFrmMemOffs, (outs), (ins offset16:$src),
1321 "movabs{w}\t{$src, %ax|ax, $src}", []>, OpSize16,
1322 Requires<[In64BitMode]>;
1324 def MOV64o32a : RIi64_NOREX<0xA1, RawFrmMemOffs, (outs), (ins offset32:$src),
1325 "movabs{l}\t{$src, %eax|eax, $src}", []>, OpSize32,
1326 Requires<[In64BitMode]>;
1328 def MOV64o64a : RIi64<0xA1, RawFrmMemOffs, (outs), (ins offset64:$src),
1329 "movabs{q}\t{$src, %rax|rax, $src}", []>,
1330 Requires<[In64BitMode]>;
1333 let mayStore = 1 in {
1335 def MOV64ao8 : RIi64_NOREX<0xA2, RawFrmMemOffs, (outs offset8:$dst), (ins),
1336 "movabs{b}\t{%al, $dst|$dst, al}", []>,
1337 Requires<[In64BitMode]>;
1339 def MOV64ao16 : RIi64_NOREX<0xA3, RawFrmMemOffs, (outs offset16:$dst), (ins),
1340 "movabs{w}\t{%ax, $dst|$dst, ax}", []>, OpSize16,
1341 Requires<[In64BitMode]>;
1343 def MOV64ao32 : RIi64_NOREX<0xA3, RawFrmMemOffs, (outs offset32:$dst), (ins),
1344 "movabs{l}\t{%eax, $dst|$dst, eax}", []>, OpSize32,
1345 Requires<[In64BitMode]>;
1347 def MOV64ao64 : RIi64<0xA3, RawFrmMemOffs, (outs offset64:$dst), (ins),
1348 "movabs{q}\t{%rax, $dst|$dst, rax}", []>,
1349 Requires<[In64BitMode]>;
1351 } // hasSideEffects = 0
1353 let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0,
1354 SchedRW = [WriteMove] in {
1355 def MOV8rr_REV : I<0x8A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src),
1356 "mov{b}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1357 def MOV16rr_REV : I<0x8B, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1358 "mov{w}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize16;
1359 def MOV32rr_REV : I<0x8B, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1360 "mov{l}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize32;
1361 def MOV64rr_REV : RI<0x8B, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1362 "mov{q}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1365 let canFoldAsLoad = 1, isReMaterializable = 1, SchedRW = [WriteLoad] in {
1366 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
1367 "mov{b}\t{$src, $dst|$dst, $src}",
1368 [(set GR8:$dst, (loadi8 addr:$src))], IIC_MOV_MEM>;
1369 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1370 "mov{w}\t{$src, $dst|$dst, $src}",
1371 [(set GR16:$dst, (loadi16 addr:$src))], IIC_MOV_MEM>, OpSize16;
1372 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1373 "mov{l}\t{$src, $dst|$dst, $src}",
1374 [(set GR32:$dst, (loadi32 addr:$src))], IIC_MOV_MEM>, OpSize32;
1375 def MOV64rm : RI<0x8B, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1376 "mov{q}\t{$src, $dst|$dst, $src}",
1377 [(set GR64:$dst, (load addr:$src))], IIC_MOV_MEM>;
1380 let SchedRW = [WriteStore] in {
1381 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
1382 "mov{b}\t{$src, $dst|$dst, $src}",
1383 [(store GR8:$src, addr:$dst)], IIC_MOV_MEM>;
1384 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1385 "mov{w}\t{$src, $dst|$dst, $src}",
1386 [(store GR16:$src, addr:$dst)], IIC_MOV_MEM>, OpSize16;
1387 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1388 "mov{l}\t{$src, $dst|$dst, $src}",
1389 [(store GR32:$src, addr:$dst)], IIC_MOV_MEM>, OpSize32;
1390 def MOV64mr : RI<0x89, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
1391 "mov{q}\t{$src, $dst|$dst, $src}",
1392 [(store GR64:$src, addr:$dst)], IIC_MOV_MEM>;
1395 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
1396 // that they can be used for copying and storing h registers, which can't be
1397 // encoded when a REX prefix is present.
1398 let isCodeGenOnly = 1 in {
1399 let neverHasSideEffects = 1 in
1400 def MOV8rr_NOREX : I<0x88, MRMDestReg,
1401 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
1402 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [], IIC_MOV>,
1404 let mayStore = 1, neverHasSideEffects = 1 in
1405 def MOV8mr_NOREX : I<0x88, MRMDestMem,
1406 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
1407 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [],
1408 IIC_MOV_MEM>, Sched<[WriteStore]>;
1409 let mayLoad = 1, neverHasSideEffects = 1,
1410 canFoldAsLoad = 1, isReMaterializable = 1 in
1411 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
1412 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
1413 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [],
1414 IIC_MOV_MEM>, Sched<[WriteLoad]>;
1418 // Condition code ops, incl. set if equal/not equal/...
1419 let SchedRW = [WriteALU] in {
1420 let Defs = [EFLAGS], Uses = [AH] in
1421 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf",
1422 [(set EFLAGS, (X86sahf AH))], IIC_AHF>;
1423 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
1424 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", [],
1425 IIC_AHF>; // AH = flags
1428 //===----------------------------------------------------------------------===//
1429 // Bit tests instructions: BT, BTS, BTR, BTC.
1431 let Defs = [EFLAGS] in {
1432 let SchedRW = [WriteALU] in {
1433 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
1434 "bt{w}\t{$src2, $src1|$src1, $src2}",
1435 [(set EFLAGS, (X86bt GR16:$src1, GR16:$src2))], IIC_BT_RR>,
1437 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
1438 "bt{l}\t{$src2, $src1|$src1, $src2}",
1439 [(set EFLAGS, (X86bt GR32:$src1, GR32:$src2))], IIC_BT_RR>,
1441 def BT64rr : RI<0xA3, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
1442 "bt{q}\t{$src2, $src1|$src1, $src2}",
1443 [(set EFLAGS, (X86bt GR64:$src1, GR64:$src2))], IIC_BT_RR>, TB;
1446 // Unlike with the register+register form, the memory+register form of the
1447 // bt instruction does not ignore the high bits of the index. From ISel's
1448 // perspective, this is pretty bizarre. Make these instructions disassembly
1451 let mayLoad = 1, hasSideEffects = 0, SchedRW = [WriteALULd] in {
1452 def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
1453 "bt{w}\t{$src2, $src1|$src1, $src2}",
1454 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
1455 // (implicit EFLAGS)]
1457 >, OpSize16, TB, Requires<[FastBTMem]>;
1458 def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
1459 "bt{l}\t{$src2, $src1|$src1, $src2}",
1460 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
1461 // (implicit EFLAGS)]
1463 >, OpSize32, TB, Requires<[FastBTMem]>;
1464 def BT64mr : RI<0xA3, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
1465 "bt{q}\t{$src2, $src1|$src1, $src2}",
1466 // [(X86bt (loadi64 addr:$src1), GR64:$src2),
1467 // (implicit EFLAGS)]
1472 let SchedRW = [WriteALU] in {
1473 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
1474 "bt{w}\t{$src2, $src1|$src1, $src2}",
1475 [(set EFLAGS, (X86bt GR16:$src1, i16immSExt8:$src2))],
1476 IIC_BT_RI>, OpSize16, TB;
1477 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
1478 "bt{l}\t{$src2, $src1|$src1, $src2}",
1479 [(set EFLAGS, (X86bt GR32:$src1, i32immSExt8:$src2))],
1480 IIC_BT_RI>, OpSize32, TB;
1481 def BT64ri8 : RIi8<0xBA, MRM4r, (outs), (ins GR64:$src1, i64i8imm:$src2),
1482 "bt{q}\t{$src2, $src1|$src1, $src2}",
1483 [(set EFLAGS, (X86bt GR64:$src1, i64immSExt8:$src2))],
1487 // Note that these instructions don't need FastBTMem because that
1488 // only applies when the other operand is in a register. When it's
1489 // an immediate, bt is still fast.
1490 let SchedRW = [WriteALU] in {
1491 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
1492 "bt{w}\t{$src2, $src1|$src1, $src2}",
1493 [(set EFLAGS, (X86bt (loadi16 addr:$src1), i16immSExt8:$src2))
1494 ], IIC_BT_MI>, OpSize16, TB;
1495 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
1496 "bt{l}\t{$src2, $src1|$src1, $src2}",
1497 [(set EFLAGS, (X86bt (loadi32 addr:$src1), i32immSExt8:$src2))
1498 ], IIC_BT_MI>, OpSize32, TB;
1499 def BT64mi8 : RIi8<0xBA, MRM4m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
1500 "bt{q}\t{$src2, $src1|$src1, $src2}",
1501 [(set EFLAGS, (X86bt (loadi64 addr:$src1),
1502 i64immSExt8:$src2))], IIC_BT_MI>, TB;
1505 let hasSideEffects = 0 in {
1506 let SchedRW = [WriteALU] in {
1507 def BTC16rr : I<0xBB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
1508 "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1510 def BTC32rr : I<0xBB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
1511 "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1513 def BTC64rr : RI<0xBB, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
1514 "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>, TB;
1517 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1518 def BTC16mr : I<0xBB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
1519 "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1521 def BTC32mr : I<0xBB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
1522 "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1524 def BTC64mr : RI<0xBB, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
1525 "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, TB;
1528 let SchedRW = [WriteALU] in {
1529 def BTC16ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR16:$src1, i16i8imm:$src2),
1530 "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1532 def BTC32ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR32:$src1, i32i8imm:$src2),
1533 "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1535 def BTC64ri8 : RIi8<0xBA, MRM7r, (outs), (ins GR64:$src1, i64i8imm:$src2),
1536 "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, TB;
1539 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1540 def BTC16mi8 : Ii8<0xBA, MRM7m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
1541 "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1543 def BTC32mi8 : Ii8<0xBA, MRM7m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
1544 "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1546 def BTC64mi8 : RIi8<0xBA, MRM7m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
1547 "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, TB;
1550 let SchedRW = [WriteALU] in {
1551 def BTR16rr : I<0xB3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
1552 "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1554 def BTR32rr : I<0xB3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
1555 "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1557 def BTR64rr : RI<0xB3, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
1558 "btr{q}\t{$src2, $src1|$src1, $src2}", []>, TB;
1561 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1562 def BTR16mr : I<0xB3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
1563 "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1565 def BTR32mr : I<0xB3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
1566 "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1568 def BTR64mr : RI<0xB3, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
1569 "btr{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, TB;
1572 let SchedRW = [WriteALU] in {
1573 def BTR16ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR16:$src1, i16i8imm:$src2),
1574 "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1576 def BTR32ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR32:$src1, i32i8imm:$src2),
1577 "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1579 def BTR64ri8 : RIi8<0xBA, MRM6r, (outs), (ins GR64:$src1, i64i8imm:$src2),
1580 "btr{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, TB;
1583 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1584 def BTR16mi8 : Ii8<0xBA, MRM6m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
1585 "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1587 def BTR32mi8 : Ii8<0xBA, MRM6m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
1588 "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1590 def BTR64mi8 : RIi8<0xBA, MRM6m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
1591 "btr{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, TB;
1594 let SchedRW = [WriteALU] in {
1595 def BTS16rr : I<0xAB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
1596 "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1598 def BTS32rr : I<0xAB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
1599 "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1601 def BTS64rr : RI<0xAB, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
1602 "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>, TB;
1605 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1606 def BTS16mr : I<0xAB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
1607 "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1609 def BTS32mr : I<0xAB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
1610 "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1612 def BTS64mr : RI<0xAB, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
1613 "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, TB;
1616 let SchedRW = [WriteALU] in {
1617 def BTS16ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR16:$src1, i16i8imm:$src2),
1618 "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1620 def BTS32ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR32:$src1, i32i8imm:$src2),
1621 "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1623 def BTS64ri8 : RIi8<0xBA, MRM5r, (outs), (ins GR64:$src1, i64i8imm:$src2),
1624 "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, TB;
1627 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1628 def BTS16mi8 : Ii8<0xBA, MRM5m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
1629 "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1631 def BTS32mi8 : Ii8<0xBA, MRM5m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
1632 "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1634 def BTS64mi8 : RIi8<0xBA, MRM5m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
1635 "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, TB;
1637 } // hasSideEffects = 0
1638 } // Defs = [EFLAGS]
1641 //===----------------------------------------------------------------------===//
1645 // Atomic swap. These are just normal xchg instructions. But since a memory
1646 // operand is referenced, the atomicity is ensured.
1647 multiclass ATOMIC_SWAP<bits<8> opc8, bits<8> opc, string mnemonic, string frag,
1648 InstrItinClass itin> {
1649 let Constraints = "$val = $dst", SchedRW = [WriteALULd, WriteRMW] in {
1650 def NAME#8rm : I<opc8, MRMSrcMem, (outs GR8:$dst),
1651 (ins GR8:$val, i8mem:$ptr),
1652 !strconcat(mnemonic, "{b}\t{$val, $ptr|$ptr, $val}"),
1655 (!cast<PatFrag>(frag # "_8") addr:$ptr, GR8:$val))],
1657 def NAME#16rm : I<opc, MRMSrcMem, (outs GR16:$dst),
1658 (ins GR16:$val, i16mem:$ptr),
1659 !strconcat(mnemonic, "{w}\t{$val, $ptr|$ptr, $val}"),
1662 (!cast<PatFrag>(frag # "_16") addr:$ptr, GR16:$val))],
1664 def NAME#32rm : I<opc, MRMSrcMem, (outs GR32:$dst),
1665 (ins GR32:$val, i32mem:$ptr),
1666 !strconcat(mnemonic, "{l}\t{$val, $ptr|$ptr, $val}"),
1669 (!cast<PatFrag>(frag # "_32") addr:$ptr, GR32:$val))],
1671 def NAME#64rm : RI<opc, MRMSrcMem, (outs GR64:$dst),
1672 (ins GR64:$val, i64mem:$ptr),
1673 !strconcat(mnemonic, "{q}\t{$val, $ptr|$ptr, $val}"),
1676 (!cast<PatFrag>(frag # "_64") addr:$ptr, GR64:$val))],
1681 defm XCHG : ATOMIC_SWAP<0x86, 0x87, "xchg", "atomic_swap", IIC_XCHG_MEM>;
1683 // Swap between registers.
1684 let SchedRW = [WriteALU] in {
1685 let Constraints = "$val = $dst" in {
1686 def XCHG8rr : I<0x86, MRMSrcReg, (outs GR8:$dst), (ins GR8:$val, GR8:$src),
1687 "xchg{b}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>;
1688 def XCHG16rr : I<0x87, MRMSrcReg, (outs GR16:$dst), (ins GR16:$val, GR16:$src),
1689 "xchg{w}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>,
1691 def XCHG32rr : I<0x87, MRMSrcReg, (outs GR32:$dst), (ins GR32:$val, GR32:$src),
1692 "xchg{l}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>,
1694 def XCHG64rr : RI<0x87, MRMSrcReg, (outs GR64:$dst), (ins GR64:$val,GR64:$src),
1695 "xchg{q}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>;
1698 // Swap between EAX and other registers.
1699 let Uses = [AX], Defs = [AX] in
1700 def XCHG16ar : I<0x90, AddRegFrm, (outs), (ins GR16:$src),
1701 "xchg{w}\t{$src, %ax|ax, $src}", [], IIC_XCHG_REG>, OpSize16;
1702 let Uses = [EAX], Defs = [EAX] in
1703 def XCHG32ar : I<0x90, AddRegFrm, (outs), (ins GR32:$src),
1704 "xchg{l}\t{$src, %eax|eax, $src}", [], IIC_XCHG_REG>,
1705 OpSize32, Requires<[Not64BitMode]>;
1706 let Uses = [EAX], Defs = [EAX] in
1707 // Uses GR32_NOAX in 64-bit mode to prevent encoding using the 0x90 NOP encoding.
1708 // xchg %eax, %eax needs to clear upper 32-bits of RAX so is not a NOP.
1709 def XCHG32ar64 : I<0x90, AddRegFrm, (outs), (ins GR32_NOAX:$src),
1710 "xchg{l}\t{$src, %eax|eax, $src}", [], IIC_XCHG_REG>,
1711 OpSize32, Requires<[In64BitMode]>;
1712 let Uses = [RAX], Defs = [RAX] in
1713 def XCHG64ar : RI<0x90, AddRegFrm, (outs), (ins GR64:$src),
1714 "xchg{q}\t{$src, %rax|rax, $src}", [], IIC_XCHG_REG>;
1717 let SchedRW = [WriteALU] in {
1718 def XADD8rr : I<0xC0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
1719 "xadd{b}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB;
1720 def XADD16rr : I<0xC1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1721 "xadd{w}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB,
1723 def XADD32rr : I<0xC1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
1724 "xadd{l}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB,
1726 def XADD64rr : RI<0xC1, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
1727 "xadd{q}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB;
1730 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1731 def XADD8rm : I<0xC0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1732 "xadd{b}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB;
1733 def XADD16rm : I<0xC1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1734 "xadd{w}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB,
1736 def XADD32rm : I<0xC1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1737 "xadd{l}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB,
1739 def XADD64rm : RI<0xC1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
1740 "xadd{q}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB;
1744 let SchedRW = [WriteALU] in {
1745 def CMPXCHG8rr : I<0xB0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
1746 "cmpxchg{b}\t{$src, $dst|$dst, $src}", [],
1747 IIC_CMPXCHG_REG8>, TB;
1748 def CMPXCHG16rr : I<0xB1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1749 "cmpxchg{w}\t{$src, $dst|$dst, $src}", [],
1750 IIC_CMPXCHG_REG>, TB, OpSize16;
1751 def CMPXCHG32rr : I<0xB1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
1752 "cmpxchg{l}\t{$src, $dst|$dst, $src}", [],
1753 IIC_CMPXCHG_REG>, TB, OpSize32;
1754 def CMPXCHG64rr : RI<0xB1, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
1755 "cmpxchg{q}\t{$src, $dst|$dst, $src}", [],
1756 IIC_CMPXCHG_REG>, TB;
1759 let SchedRW = [WriteALULd, WriteRMW] in {
1760 let mayLoad = 1, mayStore = 1 in {
1761 def CMPXCHG8rm : I<0xB0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1762 "cmpxchg{b}\t{$src, $dst|$dst, $src}", [],
1763 IIC_CMPXCHG_MEM8>, TB;
1764 def CMPXCHG16rm : I<0xB1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1765 "cmpxchg{w}\t{$src, $dst|$dst, $src}", [],
1766 IIC_CMPXCHG_MEM>, TB, OpSize16;
1767 def CMPXCHG32rm : I<0xB1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1768 "cmpxchg{l}\t{$src, $dst|$dst, $src}", [],
1769 IIC_CMPXCHG_MEM>, TB, OpSize32;
1770 def CMPXCHG64rm : RI<0xB1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
1771 "cmpxchg{q}\t{$src, $dst|$dst, $src}", [],
1772 IIC_CMPXCHG_MEM>, TB;
1775 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in
1776 def CMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$dst),
1777 "cmpxchg8b\t$dst", [], IIC_CMPXCHG_8B>, TB;
1779 let Defs = [RAX, RDX, EFLAGS], Uses = [RAX, RBX, RCX, RDX] in
1780 def CMPXCHG16B : RI<0xC7, MRM1m, (outs), (ins i128mem:$dst),
1781 "cmpxchg16b\t$dst", [], IIC_CMPXCHG_16B>,
1782 TB, Requires<[HasCmpxchg16b]>;
1786 // Lock instruction prefix
1787 def LOCK_PREFIX : I<0xF0, RawFrm, (outs), (ins), "lock", []>;
1789 // Rex64 instruction prefix
1790 def REX64_PREFIX : I<0x48, RawFrm, (outs), (ins), "rex64", []>,
1791 Requires<[In64BitMode]>;
1793 // Data16 instruction prefix
1794 def DATA16_PREFIX : I<0x66, RawFrm, (outs), (ins), "data16", []>;
1796 // Repeat string operation instruction prefixes
1797 // These uses the DF flag in the EFLAGS register to inc or dec ECX
1798 let Defs = [ECX], Uses = [ECX,EFLAGS] in {
1799 // Repeat (used with INS, OUTS, MOVS, LODS and STOS)
1800 def REP_PREFIX : I<0xF3, RawFrm, (outs), (ins), "rep", []>;
1801 // Repeat while not equal (used with CMPS and SCAS)
1802 def REPNE_PREFIX : I<0xF2, RawFrm, (outs), (ins), "repne", []>;
1806 // String manipulation instructions
1807 let SchedRW = [WriteMicrocoded] in {
1808 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1809 let Defs = [AL,ESI], Uses = [ESI,EFLAGS] in
1810 def LODSB : I<0xAC, RawFrmSrc, (outs), (ins srcidx8:$src),
1811 "lodsb\t{$src, %al|al, $src}", [], IIC_LODS>;
1812 let Defs = [AX,ESI], Uses = [ESI,EFLAGS] in
1813 def LODSW : I<0xAD, RawFrmSrc, (outs), (ins srcidx16:$src),
1814 "lodsw\t{$src, %ax|ax, $src}", [], IIC_LODS>, OpSize16;
1815 let Defs = [EAX,ESI], Uses = [ESI,EFLAGS] in
1816 def LODSL : I<0xAD, RawFrmSrc, (outs), (ins srcidx32:$src),
1817 "lods{l|d}\t{$src, %eax|eax, $src}", [], IIC_LODS>, OpSize32;
1818 let Defs = [RAX,ESI], Uses = [ESI,EFLAGS] in
1819 def LODSQ : RI<0xAD, RawFrmSrc, (outs), (ins srcidx64:$src),
1820 "lodsq\t{$src, %rax|rax, $src}", [], IIC_LODS>;
1823 let SchedRW = [WriteSystem] in {
1824 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1825 let Defs = [ESI], Uses = [DX,ESI,EFLAGS] in {
1826 def OUTSB : I<0x6E, RawFrmSrc, (outs), (ins srcidx8:$src),
1827 "outsb\t{$src, %dx|dx, $src}", [], IIC_OUTS>;
1828 def OUTSW : I<0x6F, RawFrmSrc, (outs), (ins srcidx16:$src),
1829 "outsw\t{$src, %dx|dx, $src}", [], IIC_OUTS>, OpSize16;
1830 def OUTSL : I<0x6F, RawFrmSrc, (outs), (ins srcidx32:$src),
1831 "outs{l|d}\t{$src, %dx|dx, $src}", [], IIC_OUTS>, OpSize32;
1834 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1835 let Defs = [EDI], Uses = [DX,EDI,EFLAGS] in {
1836 def INSB : I<0x6C, RawFrmDst, (outs dstidx8:$dst), (ins),
1837 "insb\t{%dx, $dst|$dst, dx}", [], IIC_INS>;
1838 def INSW : I<0x6D, RawFrmDst, (outs dstidx16:$dst), (ins),
1839 "insw\t{%dx, $dst|$dst, dx}", [], IIC_INS>, OpSize16;
1840 def INSL : I<0x6D, RawFrmDst, (outs dstidx32:$dst), (ins),
1841 "ins{l|d}\t{%dx, $dst|$dst, dx}", [], IIC_INS>, OpSize32;
1845 // Flag instructions
1846 let SchedRW = [WriteALU] in {
1847 def CLC : I<0xF8, RawFrm, (outs), (ins), "clc", [], IIC_CLC>;
1848 def STC : I<0xF9, RawFrm, (outs), (ins), "stc", [], IIC_STC>;
1849 def CLI : I<0xFA, RawFrm, (outs), (ins), "cli", [], IIC_CLI>;
1850 def STI : I<0xFB, RawFrm, (outs), (ins), "sti", [], IIC_STI>;
1851 def CLD : I<0xFC, RawFrm, (outs), (ins), "cld", [], IIC_CLD>;
1852 def STD : I<0xFD, RawFrm, (outs), (ins), "std", [], IIC_STD>;
1853 def CMC : I<0xF5, RawFrm, (outs), (ins), "cmc", [], IIC_CMC>;
1855 def CLTS : I<0x06, RawFrm, (outs), (ins), "clts", [], IIC_CLTS>, TB;
1858 // Table lookup instructions
1859 def XLAT : I<0xD7, RawFrm, (outs), (ins), "xlatb", [], IIC_XLAT>,
1862 let SchedRW = [WriteMicrocoded] in {
1863 // ASCII Adjust After Addition
1864 // sets AL, AH and CF and AF of EFLAGS and uses AL and AF of EFLAGS
1865 def AAA : I<0x37, RawFrm, (outs), (ins), "aaa", [], IIC_AAA>,
1866 Requires<[Not64BitMode]>;
1868 // ASCII Adjust AX Before Division
1869 // sets AL, AH and EFLAGS and uses AL and AH
1870 def AAD8i8 : Ii8<0xD5, RawFrm, (outs), (ins i8imm:$src),
1871 "aad\t$src", [], IIC_AAD>, Requires<[Not64BitMode]>;
1873 // ASCII Adjust AX After Multiply
1874 // sets AL, AH and EFLAGS and uses AL
1875 def AAM8i8 : Ii8<0xD4, RawFrm, (outs), (ins i8imm:$src),
1876 "aam\t$src", [], IIC_AAM>, Requires<[Not64BitMode]>;
1878 // ASCII Adjust AL After Subtraction - sets
1879 // sets AL, AH and CF and AF of EFLAGS and uses AL and AF of EFLAGS
1880 def AAS : I<0x3F, RawFrm, (outs), (ins), "aas", [], IIC_AAS>,
1881 Requires<[Not64BitMode]>;
1883 // Decimal Adjust AL after Addition
1884 // sets AL, CF and AF of EFLAGS and uses AL, CF and AF of EFLAGS
1885 def DAA : I<0x27, RawFrm, (outs), (ins), "daa", [], IIC_DAA>,
1886 Requires<[Not64BitMode]>;
1888 // Decimal Adjust AL after Subtraction
1889 // sets AL, CF and AF of EFLAGS and uses AL, CF and AF of EFLAGS
1890 def DAS : I<0x2F, RawFrm, (outs), (ins), "das", [], IIC_DAS>,
1891 Requires<[Not64BitMode]>;
1894 let SchedRW = [WriteSystem] in {
1895 // Check Array Index Against Bounds
1896 def BOUNDS16rm : I<0x62, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1897 "bound\t{$src, $dst|$dst, $src}", [], IIC_BOUND>, OpSize16,
1898 Requires<[Not64BitMode]>;
1899 def BOUNDS32rm : I<0x62, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1900 "bound\t{$src, $dst|$dst, $src}", [], IIC_BOUND>, OpSize32,
1901 Requires<[Not64BitMode]>;
1903 // Adjust RPL Field of Segment Selector
1904 def ARPL16rr : I<0x63, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1905 "arpl\t{$src, $dst|$dst, $src}", [], IIC_ARPL_REG>,
1906 Requires<[Not64BitMode]>;
1907 def ARPL16mr : I<0x63, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1908 "arpl\t{$src, $dst|$dst, $src}", [], IIC_ARPL_MEM>,
1909 Requires<[Not64BitMode]>;
1912 //===----------------------------------------------------------------------===//
1913 // MOVBE Instructions
1915 let Predicates = [HasMOVBE] in {
1916 let SchedRW = [WriteALULd] in {
1917 def MOVBE16rm : I<0xF0, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1918 "movbe{w}\t{$src, $dst|$dst, $src}",
1919 [(set GR16:$dst, (bswap (loadi16 addr:$src)))], IIC_MOVBE>,
1921 def MOVBE32rm : I<0xF0, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1922 "movbe{l}\t{$src, $dst|$dst, $src}",
1923 [(set GR32:$dst, (bswap (loadi32 addr:$src)))], IIC_MOVBE>,
1925 def MOVBE64rm : RI<0xF0, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1926 "movbe{q}\t{$src, $dst|$dst, $src}",
1927 [(set GR64:$dst, (bswap (loadi64 addr:$src)))], IIC_MOVBE>,
1930 let SchedRW = [WriteStore] in {
1931 def MOVBE16mr : I<0xF1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1932 "movbe{w}\t{$src, $dst|$dst, $src}",
1933 [(store (bswap GR16:$src), addr:$dst)], IIC_MOVBE>,
1935 def MOVBE32mr : I<0xF1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1936 "movbe{l}\t{$src, $dst|$dst, $src}",
1937 [(store (bswap GR32:$src), addr:$dst)], IIC_MOVBE>,
1939 def MOVBE64mr : RI<0xF1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
1940 "movbe{q}\t{$src, $dst|$dst, $src}",
1941 [(store (bswap GR64:$src), addr:$dst)], IIC_MOVBE>,
1946 //===----------------------------------------------------------------------===//
1947 // RDRAND Instruction
1949 let Predicates = [HasRDRAND], Defs = [EFLAGS] in {
1950 def RDRAND16r : I<0xC7, MRM6r, (outs GR16:$dst), (ins),
1952 [(set GR16:$dst, EFLAGS, (X86rdrand))]>, OpSize16, TB;
1953 def RDRAND32r : I<0xC7, MRM6r, (outs GR32:$dst), (ins),
1955 [(set GR32:$dst, EFLAGS, (X86rdrand))]>, OpSize32, TB;
1956 def RDRAND64r : RI<0xC7, MRM6r, (outs GR64:$dst), (ins),
1958 [(set GR64:$dst, EFLAGS, (X86rdrand))]>, TB;
1961 //===----------------------------------------------------------------------===//
1962 // RDSEED Instruction
1964 let Predicates = [HasRDSEED], Defs = [EFLAGS] in {
1965 def RDSEED16r : I<0xC7, MRM7r, (outs GR16:$dst), (ins),
1967 [(set GR16:$dst, EFLAGS, (X86rdseed))]>, OpSize16, TB;
1968 def RDSEED32r : I<0xC7, MRM7r, (outs GR32:$dst), (ins),
1970 [(set GR32:$dst, EFLAGS, (X86rdseed))]>, OpSize32, TB;
1971 def RDSEED64r : RI<0xC7, MRM7r, (outs GR64:$dst), (ins),
1973 [(set GR64:$dst, EFLAGS, (X86rdseed))]>, TB;
1976 //===----------------------------------------------------------------------===//
1977 // LZCNT Instruction
1979 let Predicates = [HasLZCNT], Defs = [EFLAGS] in {
1980 def LZCNT16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1981 "lzcnt{w}\t{$src, $dst|$dst, $src}",
1982 [(set GR16:$dst, (ctlz GR16:$src)), (implicit EFLAGS)]>, XS,
1984 def LZCNT16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1985 "lzcnt{w}\t{$src, $dst|$dst, $src}",
1986 [(set GR16:$dst, (ctlz (loadi16 addr:$src))),
1987 (implicit EFLAGS)]>, XS, OpSize16;
1989 def LZCNT32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1990 "lzcnt{l}\t{$src, $dst|$dst, $src}",
1991 [(set GR32:$dst, (ctlz GR32:$src)), (implicit EFLAGS)]>, XS,
1993 def LZCNT32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1994 "lzcnt{l}\t{$src, $dst|$dst, $src}",
1995 [(set GR32:$dst, (ctlz (loadi32 addr:$src))),
1996 (implicit EFLAGS)]>, XS, OpSize32;
1998 def LZCNT64rr : RI<0xBD, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1999 "lzcnt{q}\t{$src, $dst|$dst, $src}",
2000 [(set GR64:$dst, (ctlz GR64:$src)), (implicit EFLAGS)]>,
2002 def LZCNT64rm : RI<0xBD, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
2003 "lzcnt{q}\t{$src, $dst|$dst, $src}",
2004 [(set GR64:$dst, (ctlz (loadi64 addr:$src))),
2005 (implicit EFLAGS)]>, XS;
2008 let Predicates = [HasLZCNT] in {
2009 def : Pat<(X86cmov (ctlz GR16:$src), (i16 16), (X86_COND_E),
2010 (X86cmp GR16:$src, (i16 0))),
2011 (LZCNT16rr GR16:$src)>;
2012 def : Pat<(X86cmov (ctlz GR32:$src), (i32 32), (X86_COND_E),
2013 (X86cmp GR32:$src, (i32 0))),
2014 (LZCNT32rr GR32:$src)>;
2015 def : Pat<(X86cmov (ctlz GR64:$src), (i64 64), (X86_COND_E),
2016 (X86cmp GR64:$src, (i64 0))),
2017 (LZCNT64rr GR64:$src)>;
2018 def : Pat<(X86cmov (i16 16), (ctlz GR16:$src), (X86_COND_E),
2019 (X86cmp GR16:$src, (i16 0))),
2020 (LZCNT16rr GR16:$src)>;
2021 def : Pat<(X86cmov (i32 32), (ctlz GR32:$src), (X86_COND_E),
2022 (X86cmp GR32:$src, (i32 0))),
2023 (LZCNT32rr GR32:$src)>;
2024 def : Pat<(X86cmov (i64 64), (ctlz GR64:$src), (X86_COND_E),
2025 (X86cmp GR64:$src, (i64 0))),
2026 (LZCNT64rr GR64:$src)>;
2028 def : Pat<(X86cmov (ctlz (loadi16 addr:$src)), (i16 16), (X86_COND_E),
2029 (X86cmp (loadi16 addr:$src), (i16 0))),
2030 (LZCNT16rm addr:$src)>;
2031 def : Pat<(X86cmov (ctlz (loadi32 addr:$src)), (i32 32), (X86_COND_E),
2032 (X86cmp (loadi32 addr:$src), (i32 0))),
2033 (LZCNT32rm addr:$src)>;
2034 def : Pat<(X86cmov (ctlz (loadi64 addr:$src)), (i64 64), (X86_COND_E),
2035 (X86cmp (loadi64 addr:$src), (i64 0))),
2036 (LZCNT64rm addr:$src)>;
2037 def : Pat<(X86cmov (i16 16), (ctlz (loadi16 addr:$src)), (X86_COND_E),
2038 (X86cmp (loadi16 addr:$src), (i16 0))),
2039 (LZCNT16rm addr:$src)>;
2040 def : Pat<(X86cmov (i32 32), (ctlz (loadi32 addr:$src)), (X86_COND_E),
2041 (X86cmp (loadi32 addr:$src), (i32 0))),
2042 (LZCNT32rm addr:$src)>;
2043 def : Pat<(X86cmov (i64 64), (ctlz (loadi64 addr:$src)), (X86_COND_E),
2044 (X86cmp (loadi64 addr:$src), (i64 0))),
2045 (LZCNT64rm addr:$src)>;
2048 //===----------------------------------------------------------------------===//
2051 let Predicates = [HasBMI], Defs = [EFLAGS] in {
2052 def TZCNT16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
2053 "tzcnt{w}\t{$src, $dst|$dst, $src}",
2054 [(set GR16:$dst, (cttz GR16:$src)), (implicit EFLAGS)]>, XS,
2056 def TZCNT16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
2057 "tzcnt{w}\t{$src, $dst|$dst, $src}",
2058 [(set GR16:$dst, (cttz (loadi16 addr:$src))),
2059 (implicit EFLAGS)]>, XS, OpSize16;
2061 def TZCNT32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
2062 "tzcnt{l}\t{$src, $dst|$dst, $src}",
2063 [(set GR32:$dst, (cttz GR32:$src)), (implicit EFLAGS)]>, XS,
2065 def TZCNT32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
2066 "tzcnt{l}\t{$src, $dst|$dst, $src}",
2067 [(set GR32:$dst, (cttz (loadi32 addr:$src))),
2068 (implicit EFLAGS)]>, XS, OpSize32;
2070 def TZCNT64rr : RI<0xBC, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
2071 "tzcnt{q}\t{$src, $dst|$dst, $src}",
2072 [(set GR64:$dst, (cttz GR64:$src)), (implicit EFLAGS)]>,
2074 def TZCNT64rm : RI<0xBC, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
2075 "tzcnt{q}\t{$src, $dst|$dst, $src}",
2076 [(set GR64:$dst, (cttz (loadi64 addr:$src))),
2077 (implicit EFLAGS)]>, XS;
2080 multiclass bmi_bls<string mnemonic, Format RegMRM, Format MemMRM,
2081 RegisterClass RC, X86MemOperand x86memop> {
2082 let hasSideEffects = 0 in {
2083 def rr : I<0xF3, RegMRM, (outs RC:$dst), (ins RC:$src),
2084 !strconcat(mnemonic, "\t{$src, $dst|$dst, $src}"),
2087 def rm : I<0xF3, MemMRM, (outs RC:$dst), (ins x86memop:$src),
2088 !strconcat(mnemonic, "\t{$src, $dst|$dst, $src}"),
2093 let Predicates = [HasBMI], Defs = [EFLAGS] in {
2094 defm BLSR32 : bmi_bls<"blsr{l}", MRM1r, MRM1m, GR32, i32mem>;
2095 defm BLSR64 : bmi_bls<"blsr{q}", MRM1r, MRM1m, GR64, i64mem>, VEX_W;
2096 defm BLSMSK32 : bmi_bls<"blsmsk{l}", MRM2r, MRM2m, GR32, i32mem>;
2097 defm BLSMSK64 : bmi_bls<"blsmsk{q}", MRM2r, MRM2m, GR64, i64mem>, VEX_W;
2098 defm BLSI32 : bmi_bls<"blsi{l}", MRM3r, MRM3m, GR32, i32mem>;
2099 defm BLSI64 : bmi_bls<"blsi{q}", MRM3r, MRM3m, GR64, i64mem>, VEX_W;
2102 //===----------------------------------------------------------------------===//
2103 // Pattern fragments to auto generate BMI instructions.
2104 //===----------------------------------------------------------------------===//
2106 let Predicates = [HasBMI] in {
2107 // FIXME: patterns for the load versions are not implemented
2108 def : Pat<(and GR32:$src, (add GR32:$src, -1)),
2109 (BLSR32rr GR32:$src)>;
2110 def : Pat<(and GR64:$src, (add GR64:$src, -1)),
2111 (BLSR64rr GR64:$src)>;
2113 def : Pat<(xor GR32:$src, (add GR32:$src, -1)),
2114 (BLSMSK32rr GR32:$src)>;
2115 def : Pat<(xor GR64:$src, (add GR64:$src, -1)),
2116 (BLSMSK64rr GR64:$src)>;
2118 def : Pat<(and GR32:$src, (ineg GR32:$src)),
2119 (BLSI32rr GR32:$src)>;
2120 def : Pat<(and GR64:$src, (ineg GR64:$src)),
2121 (BLSI64rr GR64:$src)>;
2124 let Predicates = [HasBMI] in {
2125 def : Pat<(X86cmov (cttz GR16:$src), (i16 16), (X86_COND_E),
2126 (X86cmp GR16:$src, (i16 0))),
2127 (TZCNT16rr GR16:$src)>;
2128 def : Pat<(X86cmov (cttz GR32:$src), (i32 32), (X86_COND_E),
2129 (X86cmp GR32:$src, (i32 0))),
2130 (TZCNT32rr GR32:$src)>;
2131 def : Pat<(X86cmov (cttz GR64:$src), (i64 64), (X86_COND_E),
2132 (X86cmp GR64:$src, (i64 0))),
2133 (TZCNT64rr GR64:$src)>;
2134 def : Pat<(X86cmov (i16 16), (cttz GR16:$src), (X86_COND_E),
2135 (X86cmp GR16:$src, (i16 0))),
2136 (TZCNT16rr GR16:$src)>;
2137 def : Pat<(X86cmov (i32 32), (cttz GR32:$src), (X86_COND_E),
2138 (X86cmp GR32:$src, (i32 0))),
2139 (TZCNT32rr GR32:$src)>;
2140 def : Pat<(X86cmov (i64 64), (cttz GR64:$src), (X86_COND_E),
2141 (X86cmp GR64:$src, (i64 0))),
2142 (TZCNT64rr GR64:$src)>;
2144 def : Pat<(X86cmov (cttz (loadi16 addr:$src)), (i16 16), (X86_COND_E),
2145 (X86cmp (loadi16 addr:$src), (i16 0))),
2146 (TZCNT16rm addr:$src)>;
2147 def : Pat<(X86cmov (cttz (loadi32 addr:$src)), (i32 32), (X86_COND_E),
2148 (X86cmp (loadi32 addr:$src), (i32 0))),
2149 (TZCNT32rm addr:$src)>;
2150 def : Pat<(X86cmov (cttz (loadi64 addr:$src)), (i64 64), (X86_COND_E),
2151 (X86cmp (loadi64 addr:$src), (i64 0))),
2152 (TZCNT64rm addr:$src)>;
2153 def : Pat<(X86cmov (i16 16), (cttz (loadi16 addr:$src)), (X86_COND_E),
2154 (X86cmp (loadi16 addr:$src), (i16 0))),
2155 (TZCNT16rm addr:$src)>;
2156 def : Pat<(X86cmov (i32 32), (cttz (loadi32 addr:$src)), (X86_COND_E),
2157 (X86cmp (loadi32 addr:$src), (i32 0))),
2158 (TZCNT32rm addr:$src)>;
2159 def : Pat<(X86cmov (i64 64), (cttz (loadi64 addr:$src)), (X86_COND_E),
2160 (X86cmp (loadi64 addr:$src), (i64 0))),
2161 (TZCNT64rm addr:$src)>;
2165 multiclass bmi_bextr_bzhi<bits<8> opc, string mnemonic, RegisterClass RC,
2166 X86MemOperand x86memop, Intrinsic Int,
2168 def rr : I<opc, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, RC:$src2),
2169 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
2170 [(set RC:$dst, (Int RC:$src1, RC:$src2)), (implicit EFLAGS)]>,
2172 def rm : I<opc, MRMSrcMem, (outs RC:$dst), (ins x86memop:$src1, RC:$src2),
2173 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
2174 [(set RC:$dst, (Int (ld_frag addr:$src1), RC:$src2)),
2175 (implicit EFLAGS)]>, T8PS, VEX_4VOp3;
2178 let Predicates = [HasBMI], Defs = [EFLAGS] in {
2179 defm BEXTR32 : bmi_bextr_bzhi<0xF7, "bextr{l}", GR32, i32mem,
2180 int_x86_bmi_bextr_32, loadi32>;
2181 defm BEXTR64 : bmi_bextr_bzhi<0xF7, "bextr{q}", GR64, i64mem,
2182 int_x86_bmi_bextr_64, loadi64>, VEX_W;
2185 let Predicates = [HasBMI2], Defs = [EFLAGS] in {
2186 defm BZHI32 : bmi_bextr_bzhi<0xF5, "bzhi{l}", GR32, i32mem,
2187 int_x86_bmi_bzhi_32, loadi32>;
2188 defm BZHI64 : bmi_bextr_bzhi<0xF5, "bzhi{q}", GR64, i64mem,
2189 int_x86_bmi_bzhi_64, loadi64>, VEX_W;
2193 def CountTrailingOnes : SDNodeXForm<imm, [{
2194 // Count the trailing ones in the immediate.
2195 return getI8Imm(CountTrailingOnes_64(N->getZExtValue()));
2198 def BZHIMask : ImmLeaf<i64, [{
2199 return isMask_64(Imm) && (CountTrailingOnes_64(Imm) > 32);
2202 let Predicates = [HasBMI2] in {
2203 def : Pat<(and GR64:$src, BZHIMask:$mask),
2204 (BZHI64rr GR64:$src,
2205 (INSERT_SUBREG (i64 (IMPLICIT_DEF)),
2206 (MOV8ri (CountTrailingOnes imm:$mask)), sub_8bit))>;
2208 def : Pat<(and GR32:$src, (add (shl 1, GR8:$lz), -1)),
2209 (BZHI32rr GR32:$src,
2210 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR8:$lz, sub_8bit))>;
2212 def : Pat<(and (loadi32 addr:$src), (add (shl 1, GR8:$lz), -1)),
2213 (BZHI32rm addr:$src,
2214 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR8:$lz, sub_8bit))>;
2216 def : Pat<(and GR64:$src, (add (shl 1, GR8:$lz), -1)),
2217 (BZHI64rr GR64:$src,
2218 (INSERT_SUBREG (i64 (IMPLICIT_DEF)), GR8:$lz, sub_8bit))>;
2220 def : Pat<(and (loadi64 addr:$src), (add (shl 1, GR8:$lz), -1)),
2221 (BZHI64rm addr:$src,
2222 (INSERT_SUBREG (i64 (IMPLICIT_DEF)), GR8:$lz, sub_8bit))>;
2225 let Predicates = [HasBMI] in {
2226 def : Pat<(X86bextr GR32:$src1, GR32:$src2),
2227 (BEXTR32rr GR32:$src1, GR32:$src2)>;
2228 def : Pat<(X86bextr (loadi32 addr:$src1), GR32:$src2),
2229 (BEXTR32rm addr:$src1, GR32:$src2)>;
2230 def : Pat<(X86bextr GR64:$src1, GR64:$src2),
2231 (BEXTR64rr GR64:$src1, GR64:$src2)>;
2232 def : Pat<(X86bextr (loadi64 addr:$src1), GR64:$src2),
2233 (BEXTR64rm addr:$src1, GR64:$src2)>;
2236 multiclass bmi_pdep_pext<string mnemonic, RegisterClass RC,
2237 X86MemOperand x86memop, Intrinsic Int,
2239 def rr : I<0xF5, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, RC:$src2),
2240 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
2241 [(set RC:$dst, (Int RC:$src1, RC:$src2))]>,
2243 def rm : I<0xF5, MRMSrcMem, (outs RC:$dst), (ins RC:$src1, x86memop:$src2),
2244 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
2245 [(set RC:$dst, (Int RC:$src1, (ld_frag addr:$src2)))]>, VEX_4V;
2248 let Predicates = [HasBMI2] in {
2249 defm PDEP32 : bmi_pdep_pext<"pdep{l}", GR32, i32mem,
2250 int_x86_bmi_pdep_32, loadi32>, T8XD;
2251 defm PDEP64 : bmi_pdep_pext<"pdep{q}", GR64, i64mem,
2252 int_x86_bmi_pdep_64, loadi64>, T8XD, VEX_W;
2253 defm PEXT32 : bmi_pdep_pext<"pext{l}", GR32, i32mem,
2254 int_x86_bmi_pext_32, loadi32>, T8XS;
2255 defm PEXT64 : bmi_pdep_pext<"pext{q}", GR64, i64mem,
2256 int_x86_bmi_pext_64, loadi64>, T8XS, VEX_W;
2259 //===----------------------------------------------------------------------===//
2262 let Predicates = [HasTBM], Defs = [EFLAGS] in {
2264 multiclass tbm_ternary_imm_intr<bits<8> opc, RegisterClass RC, string OpcodeStr,
2265 X86MemOperand x86memop, PatFrag ld_frag,
2266 Intrinsic Int, Operand immtype,
2267 SDPatternOperator immoperator> {
2268 def ri : Ii32<opc, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, immtype:$cntl),
2269 !strconcat(OpcodeStr,
2270 "\t{$cntl, $src1, $dst|$dst, $src1, $cntl}"),
2271 [(set RC:$dst, (Int RC:$src1, immoperator:$cntl))]>,
2273 def mi : Ii32<opc, MRMSrcMem, (outs RC:$dst),
2274 (ins x86memop:$src1, immtype:$cntl),
2275 !strconcat(OpcodeStr,
2276 "\t{$cntl, $src1, $dst|$dst, $src1, $cntl}"),
2277 [(set RC:$dst, (Int (ld_frag addr:$src1), immoperator:$cntl))]>,
2281 defm BEXTRI32 : tbm_ternary_imm_intr<0x10, GR32, "bextr", i32mem, loadi32,
2282 int_x86_tbm_bextri_u32, i32imm, imm>;
2283 let ImmT = Imm32S in
2284 defm BEXTRI64 : tbm_ternary_imm_intr<0x10, GR64, "bextr", i64mem, loadi64,
2285 int_x86_tbm_bextri_u64, i64i32imm,
2286 i64immSExt32>, VEX_W;
2288 multiclass tbm_binary_rm<bits<8> opc, Format FormReg, Format FormMem,
2289 RegisterClass RC, string OpcodeStr,
2290 X86MemOperand x86memop, PatFrag ld_frag> {
2291 let hasSideEffects = 0 in {
2292 def rr : I<opc, FormReg, (outs RC:$dst), (ins RC:$src),
2293 !strconcat(OpcodeStr,"\t{$src, $dst|$dst, $src}"),
2296 def rm : I<opc, FormMem, (outs RC:$dst), (ins x86memop:$src),
2297 !strconcat(OpcodeStr,"\t{$src, $dst|$dst, $src}"),
2302 multiclass tbm_binary_intr<bits<8> opc, string OpcodeStr,
2303 Format FormReg, Format FormMem> {
2304 defm NAME#32 : tbm_binary_rm<opc, FormReg, FormMem, GR32, OpcodeStr, i32mem,
2306 defm NAME#64 : tbm_binary_rm<opc, FormReg, FormMem, GR64, OpcodeStr, i64mem,
2310 defm BLCFILL : tbm_binary_intr<0x01, "blcfill", MRM1r, MRM1m>;
2311 defm BLCI : tbm_binary_intr<0x02, "blci", MRM6r, MRM6m>;
2312 defm BLCIC : tbm_binary_intr<0x01, "blcic", MRM5r, MRM5m>;
2313 defm BLCMSK : tbm_binary_intr<0x02, "blcmsk", MRM1r, MRM1m>;
2314 defm BLCS : tbm_binary_intr<0x01, "blcs", MRM3r, MRM3m>;
2315 defm BLSFILL : tbm_binary_intr<0x01, "blsfill", MRM2r, MRM2m>;
2316 defm BLSIC : tbm_binary_intr<0x01, "blsic", MRM6r, MRM6m>;
2317 defm T1MSKC : tbm_binary_intr<0x01, "t1mskc", MRM7r, MRM7m>;
2318 defm TZMSK : tbm_binary_intr<0x01, "tzmsk", MRM4r, MRM4m>;
2321 //===----------------------------------------------------------------------===//
2322 // Pattern fragments to auto generate TBM instructions.
2323 //===----------------------------------------------------------------------===//
2325 let Predicates = [HasTBM] in {
2326 def : Pat<(X86bextr GR32:$src1, (i32 imm:$src2)),
2327 (BEXTRI32ri GR32:$src1, imm:$src2)>;
2328 def : Pat<(X86bextr (loadi32 addr:$src1), (i32 imm:$src2)),
2329 (BEXTRI32mi addr:$src1, imm:$src2)>;
2330 def : Pat<(X86bextr GR64:$src1, i64immSExt32:$src2),
2331 (BEXTRI64ri GR64:$src1, i64immSExt32:$src2)>;
2332 def : Pat<(X86bextr (loadi64 addr:$src1), i64immSExt32:$src2),
2333 (BEXTRI64mi addr:$src1, i64immSExt32:$src2)>;
2335 // FIXME: patterns for the load versions are not implemented
2336 def : Pat<(and GR32:$src, (add GR32:$src, 1)),
2337 (BLCFILL32rr GR32:$src)>;
2338 def : Pat<(and GR64:$src, (add GR64:$src, 1)),
2339 (BLCFILL64rr GR64:$src)>;
2341 def : Pat<(or GR32:$src, (not (add GR32:$src, 1))),
2342 (BLCI32rr GR32:$src)>;
2343 def : Pat<(or GR64:$src, (not (add GR64:$src, 1))),
2344 (BLCI64rr GR64:$src)>;
2346 // Extra patterns because opt can optimize the above patterns to this.
2347 def : Pat<(or GR32:$src, (sub -2, GR32:$src)),
2348 (BLCI32rr GR32:$src)>;
2349 def : Pat<(or GR64:$src, (sub -2, GR64:$src)),
2350 (BLCI64rr GR64:$src)>;
2352 def : Pat<(and (not GR32:$src), (add GR32:$src, 1)),
2353 (BLCIC32rr GR32:$src)>;
2354 def : Pat<(and (not GR64:$src), (add GR64:$src, 1)),
2355 (BLCIC64rr GR64:$src)>;
2357 def : Pat<(xor GR32:$src, (add GR32:$src, 1)),
2358 (BLCMSK32rr GR32:$src)>;
2359 def : Pat<(xor GR64:$src, (add GR64:$src, 1)),
2360 (BLCMSK64rr GR64:$src)>;
2362 def : Pat<(or GR32:$src, (add GR32:$src, 1)),
2363 (BLCS32rr GR32:$src)>;
2364 def : Pat<(or GR64:$src, (add GR64:$src, 1)),
2365 (BLCS64rr GR64:$src)>;
2367 def : Pat<(or GR32:$src, (add GR32:$src, -1)),
2368 (BLSFILL32rr GR32:$src)>;
2369 def : Pat<(or GR64:$src, (add GR64:$src, -1)),
2370 (BLSFILL64rr GR64:$src)>;
2372 def : Pat<(or (not GR32:$src), (add GR32:$src, -1)),
2373 (BLSIC32rr GR32:$src)>;
2374 def : Pat<(or (not GR64:$src), (add GR64:$src, -1)),
2375 (BLSIC64rr GR64:$src)>;
2377 def : Pat<(or (not GR32:$src), (add GR32:$src, 1)),
2378 (T1MSKC32rr GR32:$src)>;
2379 def : Pat<(or (not GR64:$src), (add GR64:$src, 1)),
2380 (T1MSKC64rr GR64:$src)>;
2382 def : Pat<(and (not GR32:$src), (add GR32:$src, -1)),
2383 (TZMSK32rr GR32:$src)>;
2384 def : Pat<(and (not GR64:$src), (add GR64:$src, -1)),
2385 (TZMSK64rr GR64:$src)>;
2388 //===----------------------------------------------------------------------===//
2390 //===----------------------------------------------------------------------===//
2392 include "X86InstrArithmetic.td"
2393 include "X86InstrCMovSetCC.td"
2394 include "X86InstrExtension.td"
2395 include "X86InstrControl.td"
2396 include "X86InstrShiftRotate.td"
2398 // X87 Floating Point Stack.
2399 include "X86InstrFPStack.td"
2401 // SIMD support (SSE, MMX and AVX)
2402 include "X86InstrFragmentsSIMD.td"
2404 // FMA - Fused Multiply-Add support (requires FMA)
2405 include "X86InstrFMA.td"
2408 include "X86InstrXOP.td"
2410 // SSE, MMX and 3DNow! vector support.
2411 include "X86InstrSSE.td"
2412 include "X86InstrAVX512.td"
2413 include "X86InstrMMX.td"
2414 include "X86Instr3DNow.td"
2416 include "X86InstrVMX.td"
2417 include "X86InstrSVM.td"
2419 include "X86InstrTSX.td"
2421 // System instructions.
2422 include "X86InstrSystem.td"
2424 // Compiler Pseudo Instructions and Pat Patterns
2425 include "X86InstrCompiler.td"
2427 //===----------------------------------------------------------------------===//
2428 // Assembler Mnemonic Aliases
2429 //===----------------------------------------------------------------------===//
2431 def : MnemonicAlias<"call", "callw", "att">, Requires<[In16BitMode]>;
2432 def : MnemonicAlias<"call", "calll", "att">, Requires<[In32BitMode]>;
2433 def : MnemonicAlias<"call", "callq", "att">, Requires<[In64BitMode]>;
2435 def : MnemonicAlias<"cbw", "cbtw", "att">;
2436 def : MnemonicAlias<"cwde", "cwtl", "att">;
2437 def : MnemonicAlias<"cwd", "cwtd", "att">;
2438 def : MnemonicAlias<"cdq", "cltd", "att">;
2439 def : MnemonicAlias<"cdqe", "cltq", "att">;
2440 def : MnemonicAlias<"cqo", "cqto", "att">;
2442 // In 64-bit mode lret maps to lretl; it is not ambiguous with lretq.
2443 def : MnemonicAlias<"lret", "lretw", "att">, Requires<[In16BitMode]>;
2444 def : MnemonicAlias<"lret", "lretl", "att">, Requires<[Not16BitMode]>;
2446 def : MnemonicAlias<"leavel", "leave", "att">, Requires<[Not64BitMode]>;
2447 def : MnemonicAlias<"leaveq", "leave", "att">, Requires<[In64BitMode]>;
2449 def : MnemonicAlias<"loopz", "loope", "att">;
2450 def : MnemonicAlias<"loopnz", "loopne", "att">;
2452 def : MnemonicAlias<"pop", "popw", "att">, Requires<[In16BitMode]>;
2453 def : MnemonicAlias<"pop", "popl", "att">, Requires<[In32BitMode]>;
2454 def : MnemonicAlias<"pop", "popq", "att">, Requires<[In64BitMode]>;
2455 def : MnemonicAlias<"popf", "popfw", "att">, Requires<[In16BitMode]>;
2456 def : MnemonicAlias<"popf", "popfl", "att">, Requires<[In32BitMode]>;
2457 def : MnemonicAlias<"popf", "popfq", "att">, Requires<[In64BitMode]>;
2458 def : MnemonicAlias<"popfd", "popfl", "att">;
2460 // FIXME: This is wrong for "push reg". "push %bx" should turn into pushw in
2461 // all modes. However: "push (addr)" and "push $42" should default to
2462 // pushl/pushq depending on the current mode. Similar for "pop %bx"
2463 def : MnemonicAlias<"push", "pushw", "att">, Requires<[In16BitMode]>;
2464 def : MnemonicAlias<"push", "pushl", "att">, Requires<[In32BitMode]>;
2465 def : MnemonicAlias<"push", "pushq", "att">, Requires<[In64BitMode]>;
2466 def : MnemonicAlias<"pushf", "pushfw", "att">, Requires<[In16BitMode]>;
2467 def : MnemonicAlias<"pushf", "pushfl", "att">, Requires<[In32BitMode]>;
2468 def : MnemonicAlias<"pushf", "pushfq", "att">, Requires<[In64BitMode]>;
2469 def : MnemonicAlias<"pushfd", "pushfl", "att">;
2471 def : MnemonicAlias<"popad", "popal", "intel">, Requires<[Not64BitMode]>;
2472 def : MnemonicAlias<"pushad", "pushal", "intel">, Requires<[Not64BitMode]>;
2473 def : MnemonicAlias<"popa", "popaw", "intel">, Requires<[In16BitMode]>;
2474 def : MnemonicAlias<"pusha", "pushaw", "intel">, Requires<[In16BitMode]>;
2475 def : MnemonicAlias<"popa", "popal", "intel">, Requires<[In32BitMode]>;
2476 def : MnemonicAlias<"pusha", "pushal", "intel">, Requires<[In32BitMode]>;
2478 def : MnemonicAlias<"popa", "popaw", "att">, Requires<[In16BitMode]>;
2479 def : MnemonicAlias<"pusha", "pushaw", "att">, Requires<[In16BitMode]>;
2480 def : MnemonicAlias<"popa", "popal", "att">, Requires<[In32BitMode]>;
2481 def : MnemonicAlias<"pusha", "pushal", "att">, Requires<[In32BitMode]>;
2483 def : MnemonicAlias<"repe", "rep", "att">;
2484 def : MnemonicAlias<"repz", "rep", "att">;
2485 def : MnemonicAlias<"repnz", "repne", "att">;
2487 def : MnemonicAlias<"ret", "retw", "att">, Requires<[In16BitMode]>;
2488 def : MnemonicAlias<"ret", "retl", "att">, Requires<[In32BitMode]>;
2489 def : MnemonicAlias<"ret", "retq", "att">, Requires<[In64BitMode]>;
2491 def : MnemonicAlias<"salb", "shlb", "att">;
2492 def : MnemonicAlias<"salw", "shlw", "att">;
2493 def : MnemonicAlias<"sall", "shll", "att">;
2494 def : MnemonicAlias<"salq", "shlq", "att">;
2496 def : MnemonicAlias<"smovb", "movsb", "att">;
2497 def : MnemonicAlias<"smovw", "movsw", "att">;
2498 def : MnemonicAlias<"smovl", "movsl", "att">;
2499 def : MnemonicAlias<"smovq", "movsq", "att">;
2501 def : MnemonicAlias<"ud2a", "ud2", "att">;
2502 def : MnemonicAlias<"verrw", "verr", "att">;
2504 // System instruction aliases.
2505 def : MnemonicAlias<"iret", "iretw", "att">, Requires<[In16BitMode]>;
2506 def : MnemonicAlias<"iret", "iretl", "att">, Requires<[Not16BitMode]>;
2507 def : MnemonicAlias<"sysret", "sysretl", "att">;
2508 def : MnemonicAlias<"sysexit", "sysexitl", "att">;
2510 def : MnemonicAlias<"lgdt", "lgdtw", "att">, Requires<[In16BitMode]>;
2511 def : MnemonicAlias<"lgdt", "lgdtl", "att">, Requires<[In32BitMode]>;
2512 def : MnemonicAlias<"lgdt", "lgdtq", "att">, Requires<[In64BitMode]>;
2513 def : MnemonicAlias<"lidt", "lidtw", "att">, Requires<[In16BitMode]>;
2514 def : MnemonicAlias<"lidt", "lidtl", "att">, Requires<[In32BitMode]>;
2515 def : MnemonicAlias<"lidt", "lidtq", "att">, Requires<[In64BitMode]>;
2516 def : MnemonicAlias<"sgdt", "sgdtw", "att">, Requires<[In16BitMode]>;
2517 def : MnemonicAlias<"sgdt", "sgdtl", "att">, Requires<[In32BitMode]>;
2518 def : MnemonicAlias<"sgdt", "sgdtq", "att">, Requires<[In64BitMode]>;
2519 def : MnemonicAlias<"sidt", "sidtw", "att">, Requires<[In16BitMode]>;
2520 def : MnemonicAlias<"sidt", "sidtl", "att">, Requires<[In32BitMode]>;
2521 def : MnemonicAlias<"sidt", "sidtq", "att">, Requires<[In64BitMode]>;
2524 // Floating point stack aliases.
2525 def : MnemonicAlias<"fcmovz", "fcmove", "att">;
2526 def : MnemonicAlias<"fcmova", "fcmovnbe", "att">;
2527 def : MnemonicAlias<"fcmovnae", "fcmovb", "att">;
2528 def : MnemonicAlias<"fcmovna", "fcmovbe", "att">;
2529 def : MnemonicAlias<"fcmovae", "fcmovnb", "att">;
2530 def : MnemonicAlias<"fcomip", "fcompi", "att">;
2531 def : MnemonicAlias<"fildq", "fildll", "att">;
2532 def : MnemonicAlias<"fistpq", "fistpll", "att">;
2533 def : MnemonicAlias<"fisttpq", "fisttpll", "att">;
2534 def : MnemonicAlias<"fldcww", "fldcw", "att">;
2535 def : MnemonicAlias<"fnstcww", "fnstcw", "att">;
2536 def : MnemonicAlias<"fnstsww", "fnstsw", "att">;
2537 def : MnemonicAlias<"fucomip", "fucompi", "att">;
2538 def : MnemonicAlias<"fwait", "wait", "att">;
2541 class CondCodeAlias<string Prefix,string Suffix, string OldCond, string NewCond,
2543 : MnemonicAlias<!strconcat(Prefix, OldCond, Suffix),
2544 !strconcat(Prefix, NewCond, Suffix), VariantName>;
2546 /// IntegerCondCodeMnemonicAlias - This multiclass defines a bunch of
2547 /// MnemonicAlias's that canonicalize the condition code in a mnemonic, for
2548 /// example "setz" -> "sete".
2549 multiclass IntegerCondCodeMnemonicAlias<string Prefix, string Suffix,
2551 def C : CondCodeAlias<Prefix, Suffix, "c", "b", V>; // setc -> setb
2552 def Z : CondCodeAlias<Prefix, Suffix, "z" , "e", V>; // setz -> sete
2553 def NA : CondCodeAlias<Prefix, Suffix, "na", "be", V>; // setna -> setbe
2554 def NB : CondCodeAlias<Prefix, Suffix, "nb", "ae", V>; // setnb -> setae
2555 def NC : CondCodeAlias<Prefix, Suffix, "nc", "ae", V>; // setnc -> setae
2556 def NG : CondCodeAlias<Prefix, Suffix, "ng", "le", V>; // setng -> setle
2557 def NL : CondCodeAlias<Prefix, Suffix, "nl", "ge", V>; // setnl -> setge
2558 def NZ : CondCodeAlias<Prefix, Suffix, "nz", "ne", V>; // setnz -> setne
2559 def PE : CondCodeAlias<Prefix, Suffix, "pe", "p", V>; // setpe -> setp
2560 def PO : CondCodeAlias<Prefix, Suffix, "po", "np", V>; // setpo -> setnp
2562 def NAE : CondCodeAlias<Prefix, Suffix, "nae", "b", V>; // setnae -> setb
2563 def NBE : CondCodeAlias<Prefix, Suffix, "nbe", "a", V>; // setnbe -> seta
2564 def NGE : CondCodeAlias<Prefix, Suffix, "nge", "l", V>; // setnge -> setl
2565 def NLE : CondCodeAlias<Prefix, Suffix, "nle", "g", V>; // setnle -> setg
2568 // Aliases for set<CC>
2569 defm : IntegerCondCodeMnemonicAlias<"set", "">;
2570 // Aliases for j<CC>
2571 defm : IntegerCondCodeMnemonicAlias<"j", "">;
2572 // Aliases for cmov<CC>{w,l,q}
2573 defm : IntegerCondCodeMnemonicAlias<"cmov", "w", "att">;
2574 defm : IntegerCondCodeMnemonicAlias<"cmov", "l", "att">;
2575 defm : IntegerCondCodeMnemonicAlias<"cmov", "q", "att">;
2576 // No size suffix for intel-style asm.
2577 defm : IntegerCondCodeMnemonicAlias<"cmov", "", "intel">;
2580 //===----------------------------------------------------------------------===//
2581 // Assembler Instruction Aliases
2582 //===----------------------------------------------------------------------===//
2584 // aad/aam default to base 10 if no operand is specified.
2585 def : InstAlias<"aad", (AAD8i8 10)>;
2586 def : InstAlias<"aam", (AAM8i8 10)>;
2588 // Disambiguate the mem/imm form of bt-without-a-suffix as btl.
2589 // Likewise for btc/btr/bts.
2590 def : InstAlias<"bt {$imm, $mem|$mem, $imm}",
2591 (BT32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
2592 def : InstAlias<"btc {$imm, $mem|$mem, $imm}",
2593 (BTC32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
2594 def : InstAlias<"btr {$imm, $mem|$mem, $imm}",
2595 (BTR32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
2596 def : InstAlias<"bts {$imm, $mem|$mem, $imm}",
2597 (BTS32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
2600 def : InstAlias<"clrb $reg", (XOR8rr GR8 :$reg, GR8 :$reg), 0>;
2601 def : InstAlias<"clrw $reg", (XOR16rr GR16:$reg, GR16:$reg), 0>;
2602 def : InstAlias<"clrl $reg", (XOR32rr GR32:$reg, GR32:$reg), 0>;
2603 def : InstAlias<"clrq $reg", (XOR64rr GR64:$reg, GR64:$reg), 0>;
2605 // lods aliases. Accept the destination being omitted because it's implicit
2606 // in the mnemonic, or the mnemonic suffix being omitted because it's implicit
2607 // in the destination.
2608 def : InstAlias<"lodsb $src", (LODSB srcidx8:$src), 0>;
2609 def : InstAlias<"lodsw $src", (LODSW srcidx16:$src), 0>;
2610 def : InstAlias<"lods{l|d} $src", (LODSL srcidx32:$src), 0>;
2611 def : InstAlias<"lodsq $src", (LODSQ srcidx64:$src), 0>, Requires<[In64BitMode]>;
2612 def : InstAlias<"lods {$src, %al|al, $src}", (LODSB srcidx8:$src), 0>;
2613 def : InstAlias<"lods {$src, %ax|ax, $src}", (LODSW srcidx16:$src), 0>;
2614 def : InstAlias<"lods {$src, %eax|eax, $src}", (LODSL srcidx32:$src), 0>;
2615 def : InstAlias<"lods {$src, %rax|rax, $src}", (LODSQ srcidx64:$src), 0>, Requires<[In64BitMode]>;
2617 // stos aliases. Accept the source being omitted because it's implicit in
2618 // the mnemonic, or the mnemonic suffix being omitted because it's implicit
2620 def : InstAlias<"stosb $dst", (STOSB dstidx8:$dst), 0>;
2621 def : InstAlias<"stosw $dst", (STOSW dstidx16:$dst), 0>;
2622 def : InstAlias<"stos{l|d} $dst", (STOSL dstidx32:$dst), 0>;
2623 def : InstAlias<"stosq $dst", (STOSQ dstidx64:$dst), 0>, Requires<[In64BitMode]>;
2624 def : InstAlias<"stos {%al, $dst|$dst, al}", (STOSB dstidx8:$dst), 0>;
2625 def : InstAlias<"stos {%ax, $dst|$dst, ax}", (STOSW dstidx16:$dst), 0>;
2626 def : InstAlias<"stos {%eax, $dst|$dst, eax}", (STOSL dstidx32:$dst), 0>;
2627 def : InstAlias<"stos {%rax, $dst|$dst, rax}", (STOSQ dstidx64:$dst), 0>, Requires<[In64BitMode]>;
2629 // scas aliases. Accept the destination being omitted because it's implicit
2630 // in the mnemonic, or the mnemonic suffix being omitted because it's implicit
2631 // in the destination.
2632 def : InstAlias<"scasb $dst", (SCASB dstidx8:$dst), 0>;
2633 def : InstAlias<"scasw $dst", (SCASW dstidx16:$dst), 0>;
2634 def : InstAlias<"scas{l|d} $dst", (SCASL dstidx32:$dst), 0>;
2635 def : InstAlias<"scasq $dst", (SCASQ dstidx64:$dst), 0>, Requires<[In64BitMode]>;
2636 def : InstAlias<"scas {$dst, %al|al, $dst}", (SCASB dstidx8:$dst), 0>;
2637 def : InstAlias<"scas {$dst, %ax|ax, $dst}", (SCASW dstidx16:$dst), 0>;
2638 def : InstAlias<"scas {$dst, %eax|eax, $dst}", (SCASL dstidx32:$dst), 0>;
2639 def : InstAlias<"scas {$dst, %rax|rax, $dst}", (SCASQ dstidx64:$dst), 0>, Requires<[In64BitMode]>;
2641 // div and idiv aliases for explicit A register.
2642 def : InstAlias<"div{b}\t{$src, %al|al, $src}", (DIV8r GR8 :$src)>;
2643 def : InstAlias<"div{w}\t{$src, %ax|ax, $src}", (DIV16r GR16:$src)>;
2644 def : InstAlias<"div{l}\t{$src, %eax|eax, $src}", (DIV32r GR32:$src)>;
2645 def : InstAlias<"div{q}\t{$src, %rax|rax, $src}", (DIV64r GR64:$src)>;
2646 def : InstAlias<"div{b}\t{$src, %al|al, $src}", (DIV8m i8mem :$src)>;
2647 def : InstAlias<"div{w}\t{$src, %ax|ax, $src}", (DIV16m i16mem:$src)>;
2648 def : InstAlias<"div{l}\t{$src, %eax|eax, $src}", (DIV32m i32mem:$src)>;
2649 def : InstAlias<"div{q}\t{$src, %rax|rax, $src}", (DIV64m i64mem:$src)>;
2650 def : InstAlias<"idiv{b}\t{$src, %al|al, $src}", (IDIV8r GR8 :$src)>;
2651 def : InstAlias<"idiv{w}\t{$src, %ax|ax, $src}", (IDIV16r GR16:$src)>;
2652 def : InstAlias<"idiv{l}\t{$src, %eax|eax, $src}", (IDIV32r GR32:$src)>;
2653 def : InstAlias<"idiv{q}\t{$src, %rax|rax, $src}", (IDIV64r GR64:$src)>;
2654 def : InstAlias<"idiv{b}\t{$src, %al|al, $src}", (IDIV8m i8mem :$src)>;
2655 def : InstAlias<"idiv{w}\t{$src, %ax|ax, $src}", (IDIV16m i16mem:$src)>;
2656 def : InstAlias<"idiv{l}\t{$src, %eax|eax, $src}", (IDIV32m i32mem:$src)>;
2657 def : InstAlias<"idiv{q}\t{$src, %rax|rax, $src}", (IDIV64m i64mem:$src)>;
2661 // Various unary fpstack operations default to operating on on ST1.
2662 // For example, "fxch" -> "fxch %st(1)"
2663 def : InstAlias<"faddp", (ADD_FPrST0 ST1), 0>;
2664 def : InstAlias<"fsub{|r}p", (SUBR_FPrST0 ST1), 0>;
2665 def : InstAlias<"fsub{r|}p", (SUB_FPrST0 ST1), 0>;
2666 def : InstAlias<"fmulp", (MUL_FPrST0 ST1), 0>;
2667 def : InstAlias<"fdiv{|r}p", (DIVR_FPrST0 ST1), 0>;
2668 def : InstAlias<"fdiv{r|}p", (DIV_FPrST0 ST1), 0>;
2669 def : InstAlias<"fxch", (XCH_F ST1), 0>;
2670 def : InstAlias<"fcom", (COM_FST0r ST1), 0>;
2671 def : InstAlias<"fcomp", (COMP_FST0r ST1), 0>;
2672 def : InstAlias<"fcomi", (COM_FIr ST1), 0>;
2673 def : InstAlias<"fcompi", (COM_FIPr ST1), 0>;
2674 def : InstAlias<"fucom", (UCOM_Fr ST1), 0>;
2675 def : InstAlias<"fucomp", (UCOM_FPr ST1), 0>;
2676 def : InstAlias<"fucomi", (UCOM_FIr ST1), 0>;
2677 def : InstAlias<"fucompi", (UCOM_FIPr ST1), 0>;
2679 // Handle fmul/fadd/fsub/fdiv instructions with explicitly written st(0) op.
2680 // For example, "fadd %st(4), %st(0)" -> "fadd %st(4)". We also disambiguate
2681 // instructions like "fadd %st(0), %st(0)" as "fadd %st(0)" for consistency with
2683 multiclass FpUnaryAlias<string Mnemonic, Instruction Inst, bit EmitAlias = 1> {
2684 def : InstAlias<!strconcat(Mnemonic, "\t{$op, %st(0)|st(0), $op}"),
2685 (Inst RST:$op), EmitAlias>;
2686 def : InstAlias<!strconcat(Mnemonic, "\t{%st(0), %st(0)|st(0), st(0)}"),
2687 (Inst ST0), EmitAlias>;
2690 defm : FpUnaryAlias<"fadd", ADD_FST0r>;
2691 defm : FpUnaryAlias<"faddp", ADD_FPrST0, 0>;
2692 defm : FpUnaryAlias<"fsub", SUB_FST0r>;
2693 defm : FpUnaryAlias<"fsub{|r}p", SUBR_FPrST0>;
2694 defm : FpUnaryAlias<"fsubr", SUBR_FST0r>;
2695 defm : FpUnaryAlias<"fsub{r|}p", SUB_FPrST0>;
2696 defm : FpUnaryAlias<"fmul", MUL_FST0r>;
2697 defm : FpUnaryAlias<"fmulp", MUL_FPrST0>;
2698 defm : FpUnaryAlias<"fdiv", DIV_FST0r>;
2699 defm : FpUnaryAlias<"fdiv{|r}p", DIVR_FPrST0>;
2700 defm : FpUnaryAlias<"fdivr", DIVR_FST0r>;
2701 defm : FpUnaryAlias<"fdiv{r|}p", DIV_FPrST0>;
2702 defm : FpUnaryAlias<"fcomi", COM_FIr, 0>;
2703 defm : FpUnaryAlias<"fucomi", UCOM_FIr, 0>;
2704 defm : FpUnaryAlias<"fcompi", COM_FIPr>;
2705 defm : FpUnaryAlias<"fucompi", UCOM_FIPr>;
2708 // Handle "f{mulp,addp} st(0), $op" the same as "f{mulp,addp} $op", since they
2709 // commute. We also allow fdiv[r]p/fsubrp even though they don't commute,
2710 // solely because gas supports it.
2711 def : InstAlias<"faddp\t{%st(0), $op|$op, st(0)}", (ADD_FPrST0 RST:$op), 0>;
2712 def : InstAlias<"fmulp\t{%st(0), $op|$op, st(0)}", (MUL_FPrST0 RST:$op)>;
2713 def : InstAlias<"fsub{|r}p\t{%st(0), $op|$op, st(0)}", (SUBR_FPrST0 RST:$op)>;
2714 def : InstAlias<"fsub{r|}p\t{%st(0), $op|$op, st(0)}", (SUB_FPrST0 RST:$op)>;
2715 def : InstAlias<"fdiv{|r}p\t{%st(0), $op|$op, st(0)}", (DIVR_FPrST0 RST:$op)>;
2716 def : InstAlias<"fdiv{r|}p\t{%st(0), $op|$op, st(0)}", (DIV_FPrST0 RST:$op)>;
2718 // We accept "fnstsw %eax" even though it only writes %ax.
2719 def : InstAlias<"fnstsw\t{%eax|eax}", (FNSTSW16r)>;
2720 def : InstAlias<"fnstsw\t{%al|al}" , (FNSTSW16r)>;
2721 def : InstAlias<"fnstsw" , (FNSTSW16r)>;
2723 // lcall and ljmp aliases. This seems to be an odd mapping in 64-bit mode, but
2724 // this is compatible with what GAS does.
2725 def : InstAlias<"lcall $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg), 0>, Requires<[Not16BitMode]>;
2726 def : InstAlias<"ljmp $seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg), 0>, Requires<[Not16BitMode]>;
2727 def : InstAlias<"lcall *$dst", (FARCALL32m opaque48mem:$dst), 0>, Requires<[Not16BitMode]>;
2728 def : InstAlias<"ljmp *$dst", (FARJMP32m opaque48mem:$dst), 0>, Requires<[Not16BitMode]>;
2729 def : InstAlias<"lcall $seg, $off", (FARCALL16i i16imm:$off, i16imm:$seg), 0>, Requires<[In16BitMode]>;
2730 def : InstAlias<"ljmp $seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg), 0>, Requires<[In16BitMode]>;
2731 def : InstAlias<"lcall *$dst", (FARCALL16m opaque32mem:$dst), 0>, Requires<[In16BitMode]>;
2732 def : InstAlias<"ljmp *$dst", (FARJMP16m opaque32mem:$dst), 0>, Requires<[In16BitMode]>;
2734 def : InstAlias<"call *$dst", (CALL64m i16mem:$dst), 0>, Requires<[In64BitMode]>;
2735 def : InstAlias<"jmp *$dst", (JMP64m i16mem:$dst), 0>, Requires<[In64BitMode]>;
2736 def : InstAlias<"call *$dst", (CALL32m i16mem:$dst), 0>, Requires<[In32BitMode]>;
2737 def : InstAlias<"jmp *$dst", (JMP32m i16mem:$dst), 0>, Requires<[In32BitMode]>;
2738 def : InstAlias<"call *$dst", (CALL16m i16mem:$dst), 0>, Requires<[In16BitMode]>;
2739 def : InstAlias<"jmp *$dst", (JMP16m i16mem:$dst), 0>, Requires<[In16BitMode]>;
2742 // "imul <imm>, B" is an alias for "imul <imm>, B, B".
2743 def : InstAlias<"imulw $imm, $r", (IMUL16rri GR16:$r, GR16:$r, i16imm:$imm)>;
2744 def : InstAlias<"imulw $imm, $r", (IMUL16rri8 GR16:$r, GR16:$r, i16i8imm:$imm)>;
2745 def : InstAlias<"imull $imm, $r", (IMUL32rri GR32:$r, GR32:$r, i32imm:$imm)>;
2746 def : InstAlias<"imull $imm, $r", (IMUL32rri8 GR32:$r, GR32:$r, i32i8imm:$imm)>;
2747 def : InstAlias<"imulq $imm, $r",(IMUL64rri32 GR64:$r, GR64:$r,i64i32imm:$imm)>;
2748 def : InstAlias<"imulq $imm, $r", (IMUL64rri8 GR64:$r, GR64:$r, i64i8imm:$imm)>;
2750 // inb %dx -> inb %al, %dx
2751 def : InstAlias<"inb\t{%dx|dx}", (IN8rr), 0>;
2752 def : InstAlias<"inw\t{%dx|dx}", (IN16rr), 0>;
2753 def : InstAlias<"inl\t{%dx|dx}", (IN32rr), 0>;
2754 def : InstAlias<"inb\t$port", (IN8ri i8imm:$port), 0>;
2755 def : InstAlias<"inw\t$port", (IN16ri i8imm:$port), 0>;
2756 def : InstAlias<"inl\t$port", (IN32ri i8imm:$port), 0>;
2759 // jmp and call aliases for lcall and ljmp. jmp $42,$5 -> ljmp
2760 def : InstAlias<"call $seg, $off", (FARCALL16i i16imm:$off, i16imm:$seg)>, Requires<[In16BitMode]>;
2761 def : InstAlias<"jmp $seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg)>, Requires<[In16BitMode]>;
2762 def : InstAlias<"call $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg)>, Requires<[Not16BitMode]>;
2763 def : InstAlias<"jmp $seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg)>, Requires<[Not16BitMode]>;
2764 def : InstAlias<"callw $seg, $off", (FARCALL16i i16imm:$off, i16imm:$seg)>;
2765 def : InstAlias<"jmpw $seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg)>;
2766 def : InstAlias<"calll $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg)>;
2767 def : InstAlias<"jmpl $seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg)>;
2769 // Force mov without a suffix with a segment and mem to prefer the 'l' form of
2770 // the move. All segment/mem forms are equivalent, this has the shortest
2772 def : InstAlias<"mov $mem, $seg", (MOV32sm SEGMENT_REG:$seg, i32mem:$mem), 0>;
2773 def : InstAlias<"mov $seg, $mem", (MOV32ms i32mem:$mem, SEGMENT_REG:$seg), 0>;
2775 // Match 'movq <largeimm>, <reg>' as an alias for movabsq.
2776 def : InstAlias<"movq $imm, $reg", (MOV64ri GR64:$reg, i64imm:$imm), 0>;
2778 // Match 'movq GR64, MMX' as an alias for movd.
2779 def : InstAlias<"movq $src, $dst",
2780 (MMX_MOVD64to64rr VR64:$dst, GR64:$src), 0>;
2781 def : InstAlias<"movq $src, $dst",
2782 (MMX_MOVD64from64rr GR64:$dst, VR64:$src), 0>;
2785 def : InstAlias<"movsx $src, $dst", (MOVSX16rr8 GR16:$dst, GR8:$src), 0>;
2786 def : InstAlias<"movsx $src, $dst", (MOVSX16rm8 GR16:$dst, i8mem:$src), 0>;
2787 def : InstAlias<"movsx $src, $dst", (MOVSX32rr8 GR32:$dst, GR8:$src), 0>;
2788 def : InstAlias<"movsx $src, $dst", (MOVSX32rr16 GR32:$dst, GR16:$src), 0>;
2789 def : InstAlias<"movsx $src, $dst", (MOVSX64rr8 GR64:$dst, GR8:$src), 0>;
2790 def : InstAlias<"movsx $src, $dst", (MOVSX64rr16 GR64:$dst, GR16:$src), 0>;
2791 def : InstAlias<"movsx $src, $dst", (MOVSX64rr32 GR64:$dst, GR32:$src), 0>;
2794 def : InstAlias<"movzx $src, $dst", (MOVZX16rr8 GR16:$dst, GR8:$src), 0>;
2795 def : InstAlias<"movzx $src, $dst", (MOVZX16rm8 GR16:$dst, i8mem:$src), 0>;
2796 def : InstAlias<"movzx $src, $dst", (MOVZX32rr8 GR32:$dst, GR8:$src), 0>;
2797 def : InstAlias<"movzx $src, $dst", (MOVZX32rr16 GR32:$dst, GR16:$src), 0>;
2798 def : InstAlias<"movzx $src, $dst", (MOVZX64rr8_Q GR64:$dst, GR8:$src), 0>;
2799 def : InstAlias<"movzx $src, $dst", (MOVZX64rr16_Q GR64:$dst, GR16:$src), 0>;
2800 // Note: No GR32->GR64 movzx form.
2802 // outb %dx -> outb %al, %dx
2803 def : InstAlias<"outb\t{%dx|dx}", (OUT8rr), 0>;
2804 def : InstAlias<"outw\t{%dx|dx}", (OUT16rr), 0>;
2805 def : InstAlias<"outl\t{%dx|dx}", (OUT32rr), 0>;
2806 def : InstAlias<"outb\t$port", (OUT8ir i8imm:$port), 0>;
2807 def : InstAlias<"outw\t$port", (OUT16ir i8imm:$port), 0>;
2808 def : InstAlias<"outl\t$port", (OUT32ir i8imm:$port), 0>;
2810 // 'sldt <mem>' can be encoded with either sldtw or sldtq with the same
2811 // effect (both store to a 16-bit mem). Force to sldtw to avoid ambiguity
2812 // errors, since its encoding is the most compact.
2813 def : InstAlias<"sldt $mem", (SLDT16m i16mem:$mem), 0>;
2815 // shld/shrd op,op -> shld op, op, CL
2816 def : InstAlias<"shld{w}\t{$r2, $r1|$r1, $r2}", (SHLD16rrCL GR16:$r1, GR16:$r2), 0>;
2817 def : InstAlias<"shld{l}\t{$r2, $r1|$r1, $r2}", (SHLD32rrCL GR32:$r1, GR32:$r2), 0>;
2818 def : InstAlias<"shld{q}\t{$r2, $r1|$r1, $r2}", (SHLD64rrCL GR64:$r1, GR64:$r2), 0>;
2819 def : InstAlias<"shrd{w}\t{$r2, $r1|$r1, $r2}", (SHRD16rrCL GR16:$r1, GR16:$r2), 0>;
2820 def : InstAlias<"shrd{l}\t{$r2, $r1|$r1, $r2}", (SHRD32rrCL GR32:$r1, GR32:$r2), 0>;
2821 def : InstAlias<"shrd{q}\t{$r2, $r1|$r1, $r2}", (SHRD64rrCL GR64:$r1, GR64:$r2), 0>;
2823 def : InstAlias<"shld{w}\t{$reg, $mem|$mem, $reg}", (SHLD16mrCL i16mem:$mem, GR16:$reg), 0>;
2824 def : InstAlias<"shld{l}\t{$reg, $mem|$mem, $reg}", (SHLD32mrCL i32mem:$mem, GR32:$reg), 0>;
2825 def : InstAlias<"shld{q}\t{$reg, $mem|$mem, $reg}", (SHLD64mrCL i64mem:$mem, GR64:$reg), 0>;
2826 def : InstAlias<"shrd{w}\t{$reg, $mem|$mem, $reg}", (SHRD16mrCL i16mem:$mem, GR16:$reg), 0>;
2827 def : InstAlias<"shrd{l}\t{$reg, $mem|$mem, $reg}", (SHRD32mrCL i32mem:$mem, GR32:$reg), 0>;
2828 def : InstAlias<"shrd{q}\t{$reg, $mem|$mem, $reg}", (SHRD64mrCL i64mem:$mem, GR64:$reg), 0>;
2830 /* FIXME: This is disabled because the asm matcher is currently incapable of
2831 * matching a fixed immediate like $1.
2832 // "shl X, $1" is an alias for "shl X".
2833 multiclass ShiftRotateByOneAlias<string Mnemonic, string Opc> {
2834 def : InstAlias<!strconcat(Mnemonic, "b $op, $$1"),
2835 (!cast<Instruction>(!strconcat(Opc, "8r1")) GR8:$op)>;
2836 def : InstAlias<!strconcat(Mnemonic, "w $op, $$1"),
2837 (!cast<Instruction>(!strconcat(Opc, "16r1")) GR16:$op)>;
2838 def : InstAlias<!strconcat(Mnemonic, "l $op, $$1"),
2839 (!cast<Instruction>(!strconcat(Opc, "32r1")) GR32:$op)>;
2840 def : InstAlias<!strconcat(Mnemonic, "q $op, $$1"),
2841 (!cast<Instruction>(!strconcat(Opc, "64r1")) GR64:$op)>;
2842 def : InstAlias<!strconcat(Mnemonic, "b $op, $$1"),
2843 (!cast<Instruction>(!strconcat(Opc, "8m1")) i8mem:$op)>;
2844 def : InstAlias<!strconcat(Mnemonic, "w $op, $$1"),
2845 (!cast<Instruction>(!strconcat(Opc, "16m1")) i16mem:$op)>;
2846 def : InstAlias<!strconcat(Mnemonic, "l $op, $$1"),
2847 (!cast<Instruction>(!strconcat(Opc, "32m1")) i32mem:$op)>;
2848 def : InstAlias<!strconcat(Mnemonic, "q $op, $$1"),
2849 (!cast<Instruction>(!strconcat(Opc, "64m1")) i64mem:$op)>;
2852 defm : ShiftRotateByOneAlias<"rcl", "RCL">;
2853 defm : ShiftRotateByOneAlias<"rcr", "RCR">;
2854 defm : ShiftRotateByOneAlias<"rol", "ROL">;
2855 defm : ShiftRotateByOneAlias<"ror", "ROR">;
2858 // test: We accept "testX <reg>, <mem>" and "testX <mem>, <reg>" as synonyms.
2859 def : InstAlias<"test{b}\t{$val, $mem|$mem, $val}",
2860 (TEST8rm GR8 :$val, i8mem :$mem), 0>;
2861 def : InstAlias<"test{w}\t{$val, $mem|$mem, $val}",
2862 (TEST16rm GR16:$val, i16mem:$mem), 0>;
2863 def : InstAlias<"test{l}\t{$val, $mem|$mem, $val}",
2864 (TEST32rm GR32:$val, i32mem:$mem), 0>;
2865 def : InstAlias<"test{q}\t{$val, $mem|$mem, $val}",
2866 (TEST64rm GR64:$val, i64mem:$mem), 0>;
2868 // xchg: We accept "xchgX <reg>, <mem>" and "xchgX <mem>, <reg>" as synonyms.
2869 def : InstAlias<"xchg{b}\t{$mem, $val|$val, $mem}",
2870 (XCHG8rm GR8 :$val, i8mem :$mem), 0>;
2871 def : InstAlias<"xchg{w}\t{$mem, $val|$val, $mem}",
2872 (XCHG16rm GR16:$val, i16mem:$mem), 0>;
2873 def : InstAlias<"xchg{l}\t{$mem, $val|$val, $mem}",
2874 (XCHG32rm GR32:$val, i32mem:$mem), 0>;
2875 def : InstAlias<"xchg{q}\t{$mem, $val|$val, $mem}",
2876 (XCHG64rm GR64:$val, i64mem:$mem), 0>;
2878 // xchg: We accept "xchgX <reg>, %eax" and "xchgX %eax, <reg>" as synonyms.
2879 def : InstAlias<"xchg{w}\t{%ax, $src|$src, ax}", (XCHG16ar GR16:$src), 0>;
2880 def : InstAlias<"xchg{l}\t{%eax, $src|$src, eax}",
2881 (XCHG32ar GR32:$src), 0>, Requires<[Not64BitMode]>;
2882 def : InstAlias<"xchg{l}\t{%eax, $src|$src, eax}",
2883 (XCHG32ar64 GR32_NOAX:$src), 0>, Requires<[In64BitMode]>;
2884 def : InstAlias<"xchg{q}\t{%rax, $src|$src, rax}", (XCHG64ar GR64:$src), 0>;