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,
36 SDTCisInt<0>, SDTCisVT<1, i32>]>;
38 def SDTBinaryArithWithFlags : SDTypeProfile<2, 2,
41 SDTCisInt<0>, SDTCisVT<1, i32>]>;
43 // SDTBinaryArithWithFlagsInOut - RES1, EFLAGS = op LHS, RHS, EFLAGS
44 def SDTBinaryArithWithFlagsInOut : SDTypeProfile<2, 3,
50 // RES1, RES2, FLAGS = op LHS, RHS
51 def SDT2ResultBinaryArithWithFlags : SDTypeProfile<3, 2,
55 SDTCisInt<0>, SDTCisVT<1, i32>]>;
56 def SDTX86BrCond : SDTypeProfile<0, 3,
57 [SDTCisVT<0, OtherVT>,
58 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
60 def SDTX86SetCC : SDTypeProfile<1, 2,
62 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
63 def SDTX86SetCC_C : SDTypeProfile<1, 2,
65 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
67 def SDTX86sahf : SDTypeProfile<1, 1, [SDTCisVT<0, i32>, SDTCisVT<1, i8>]>;
69 def SDTX86rdrand : SDTypeProfile<2, 0, [SDTCisInt<0>, SDTCisVT<1, i32>]>;
71 def SDTX86cas : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisInt<1>,
73 def SDTX86caspair : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
75 def SDTX86atomicBinary : SDTypeProfile<2, 3, [SDTCisInt<0>, SDTCisInt<1>,
76 SDTCisPtrTy<2>, SDTCisInt<3>,SDTCisInt<4>]>;
77 def SDTX86Ret : SDTypeProfile<0, -1, [SDTCisVT<0, i16>]>;
79 def SDT_X86CallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
80 def SDT_X86CallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>,
83 def SDT_X86Call : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>;
85 def SDT_X86VASTART_SAVE_XMM_REGS : SDTypeProfile<0, -1, [SDTCisVT<0, i8>,
89 def SDT_X86VAARG_64 : SDTypeProfile<1, -1, [SDTCisPtrTy<0>,
95 def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
97 def SDTX86Void : SDTypeProfile<0, 0, []>;
99 def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
101 def SDT_X86TLSADDR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
103 def SDT_X86TLSBASEADDR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
105 def SDT_X86TLSCALL : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
107 def SDT_X86SEG_ALLOCA : SDTypeProfile<1, 1, [SDTCisVT<0, iPTR>, SDTCisVT<1, iPTR>]>;
109 def SDT_X86WIN_FTOL : SDTypeProfile<0, 1, [SDTCisFP<0>]>;
111 def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
113 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
115 def SDT_X86MEMBARRIER : SDTypeProfile<0, 0, []>;
117 def X86MemBarrier : SDNode<"X86ISD::MEMBARRIER", SDT_X86MEMBARRIER,
118 [SDNPHasChain,SDNPSideEffect]>;
119 def X86MFence : SDNode<"X86ISD::MFENCE", SDT_X86MEMBARRIER,
121 def X86SFence : SDNode<"X86ISD::SFENCE", SDT_X86MEMBARRIER,
123 def X86LFence : SDNode<"X86ISD::LFENCE", SDT_X86MEMBARRIER,
127 def X86bsf : SDNode<"X86ISD::BSF", SDTUnaryArithWithFlags>;
128 def X86bsr : SDNode<"X86ISD::BSR", SDTUnaryArithWithFlags>;
129 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
130 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
132 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
133 def X86bt : SDNode<"X86ISD::BT", SDTX86CmpTest>;
135 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
136 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
138 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
139 def X86setcc_c : SDNode<"X86ISD::SETCC_CARRY", SDTX86SetCC_C>;
141 def X86sahf : SDNode<"X86ISD::SAHF", SDTX86sahf>;
143 def X86rdrand : SDNode<"X86ISD::RDRAND", SDTX86rdrand,
144 [SDNPHasChain, SDNPSideEffect]>;
146 def X86rdseed : SDNode<"X86ISD::RDSEED", SDTX86rdrand,
147 [SDNPHasChain, SDNPSideEffect]>;
149 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
150 [SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
151 SDNPMayLoad, SDNPMemOperand]>;
152 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86caspair,
153 [SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
154 SDNPMayLoad, SDNPMemOperand]>;
155 def X86cas16 : SDNode<"X86ISD::LCMPXCHG16_DAG", SDTX86caspair,
156 [SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
157 SDNPMayLoad, SDNPMemOperand]>;
159 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
160 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
162 def X86vastart_save_xmm_regs :
163 SDNode<"X86ISD::VASTART_SAVE_XMM_REGS",
164 SDT_X86VASTART_SAVE_XMM_REGS,
165 [SDNPHasChain, SDNPVariadic]>;
167 SDNode<"X86ISD::VAARG_64", SDT_X86VAARG_64,
168 [SDNPHasChain, SDNPMayLoad, SDNPMayStore,
170 def X86callseq_start :
171 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
172 [SDNPHasChain, SDNPOutGlue]>;
174 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
175 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
177 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
178 [SDNPHasChain, SDNPOutGlue, SDNPOptInGlue,
181 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
182 [SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore]>;
183 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
184 [SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
187 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG", SDTX86Void,
188 [SDNPHasChain, SDNPOutGlue, SDNPSideEffect]>;
189 def X86rdtscp : SDNode<"X86ISD::RDTSCP_DAG", SDTX86Void,
190 [SDNPHasChain, SDNPOutGlue, SDNPSideEffect]>;
191 def X86rdpmc : SDNode<"X86ISD::RDPMC_DAG", SDTX86Void,
192 [SDNPHasChain, SDNPOutGlue, SDNPSideEffect]>;
194 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
195 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
197 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
198 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
200 def X86tlsbaseaddr : SDNode<"X86ISD::TLSBASEADDR", SDT_X86TLSBASEADDR,
201 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
203 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
206 def X86eh_sjlj_setjmp : SDNode<"X86ISD::EH_SJLJ_SETJMP",
207 SDTypeProfile<1, 1, [SDTCisInt<0>,
209 [SDNPHasChain, SDNPSideEffect]>;
210 def X86eh_sjlj_longjmp : SDNode<"X86ISD::EH_SJLJ_LONGJMP",
211 SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>,
212 [SDNPHasChain, SDNPSideEffect]>;
214 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
215 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
217 def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags,
219 def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
220 def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags,
222 def X86umul_flag : SDNode<"X86ISD::UMUL", SDT2ResultBinaryArithWithFlags,
224 def X86adc_flag : SDNode<"X86ISD::ADC", SDTBinaryArithWithFlagsInOut>;
225 def X86sbb_flag : SDNode<"X86ISD::SBB", SDTBinaryArithWithFlagsInOut>;
227 def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>;
228 def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>;
229 def X86or_flag : SDNode<"X86ISD::OR", SDTBinaryArithWithFlags,
231 def X86xor_flag : SDNode<"X86ISD::XOR", SDTBinaryArithWithFlags,
233 def X86and_flag : SDNode<"X86ISD::AND", SDTBinaryArithWithFlags,
236 def X86bextr : SDNode<"X86ISD::BEXTR", SDTIntBinOp>;
238 def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
240 def X86WinAlloca : SDNode<"X86ISD::WIN_ALLOCA", SDTX86Void,
241 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
243 def X86SegAlloca : SDNode<"X86ISD::SEG_ALLOCA", SDT_X86SEG_ALLOCA,
246 def X86TLSCall : SDNode<"X86ISD::TLSCALL", SDT_X86TLSCALL,
247 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
249 def X86WinFTOL : SDNode<"X86ISD::WIN_FTOL", SDT_X86WIN_FTOL,
250 [SDNPHasChain, SDNPOutGlue]>;
252 //===----------------------------------------------------------------------===//
253 // X86 Operand Definitions.
256 // A version of ptr_rc which excludes SP, ESP, and RSP. This is used for
257 // the index operand of an address, to conform to x86 encoding restrictions.
258 def ptr_rc_nosp : PointerLikeRegClass<1>;
260 // *mem - Operand definitions for the funky X86 addressing mode operands.
262 def X86MemAsmOperand : AsmOperandClass {
265 let RenderMethod = "addMemOperands" in {
266 def X86Mem8AsmOperand : AsmOperandClass { let Name = "Mem8"; }
267 def X86Mem16AsmOperand : AsmOperandClass { let Name = "Mem16"; }
268 def X86Mem32AsmOperand : AsmOperandClass { let Name = "Mem32"; }
269 def X86Mem64AsmOperand : AsmOperandClass { let Name = "Mem64"; }
270 def X86Mem80AsmOperand : AsmOperandClass { let Name = "Mem80"; }
271 def X86Mem128AsmOperand : AsmOperandClass { let Name = "Mem128"; }
272 def X86Mem256AsmOperand : AsmOperandClass { let Name = "Mem256"; }
273 def X86Mem512AsmOperand : AsmOperandClass { let Name = "Mem512"; }
274 // Gather mem operands
275 def X86MemVX32Operand : AsmOperandClass { let Name = "MemVX32"; }
276 def X86MemVY32Operand : AsmOperandClass { let Name = "MemVY32"; }
277 def X86MemVZ32Operand : AsmOperandClass { let Name = "MemVZ32"; }
278 def X86MemVX64Operand : AsmOperandClass { let Name = "MemVX64"; }
279 def X86MemVY64Operand : AsmOperandClass { let Name = "MemVY64"; }
280 def X86MemVZ64Operand : AsmOperandClass { let Name = "MemVZ64"; }
283 def X86AbsMemAsmOperand : AsmOperandClass {
285 let SuperClasses = [X86MemAsmOperand];
288 class X86MemOperand<string printMethod,
289 AsmOperandClass parserMatchClass = X86MemAsmOperand> : Operand<iPTR> {
290 let PrintMethod = printMethod;
291 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc_nosp, i32imm, i8imm);
292 let ParserMatchClass = parserMatchClass;
293 let OperandType = "OPERAND_MEMORY";
296 // Gather mem operands
297 class X86VMemOperand<RegisterClass RC, string printMethod,
298 AsmOperandClass parserMatchClass>
299 : X86MemOperand<printMethod, parserMatchClass> {
300 let MIOperandInfo = (ops ptr_rc, i8imm, RC, i32imm, i8imm);
303 def anymem : X86MemOperand<"printanymem">;
305 def opaque32mem : X86MemOperand<"printopaquemem">;
306 def opaque48mem : X86MemOperand<"printopaquemem">;
307 def opaque80mem : X86MemOperand<"printopaquemem">;
308 def opaque512mem : X86MemOperand<"printopaquemem">;
310 def i8mem : X86MemOperand<"printi8mem", X86Mem8AsmOperand>;
311 def i16mem : X86MemOperand<"printi16mem", X86Mem16AsmOperand>;
312 def i32mem : X86MemOperand<"printi32mem", X86Mem32AsmOperand>;
313 def i64mem : X86MemOperand<"printi64mem", X86Mem64AsmOperand>;
314 def i128mem : X86MemOperand<"printi128mem", X86Mem128AsmOperand>;
315 def i256mem : X86MemOperand<"printi256mem", X86Mem256AsmOperand>;
316 def i512mem : X86MemOperand<"printi512mem", X86Mem512AsmOperand>;
317 def f32mem : X86MemOperand<"printf32mem", X86Mem32AsmOperand>;
318 def f64mem : X86MemOperand<"printf64mem", X86Mem64AsmOperand>;
319 def f80mem : X86MemOperand<"printf80mem", X86Mem80AsmOperand>;
320 def f128mem : X86MemOperand<"printf128mem", X86Mem128AsmOperand>;
321 def f256mem : X86MemOperand<"printf256mem", X86Mem256AsmOperand>;
322 def f512mem : X86MemOperand<"printf512mem", X86Mem512AsmOperand>;
324 def v512mem : X86VMemOperand<VR512, "printf512mem", X86Mem512AsmOperand>;
326 // Gather mem operands
327 def vx32mem : X86VMemOperand<VR128, "printi32mem", X86MemVX32Operand>;
328 def vy32mem : X86VMemOperand<VR256, "printi32mem", X86MemVY32Operand>;
329 def vx64mem : X86VMemOperand<VR128, "printi64mem", X86MemVX64Operand>;
330 def vy64mem : X86VMemOperand<VR256, "printi64mem", X86MemVY64Operand>;
331 def vy64xmem : X86VMemOperand<VR256X, "printi64mem", X86MemVY64Operand>;
332 def vz32mem : X86VMemOperand<VR512, "printi32mem", X86MemVZ32Operand>;
333 def vz64mem : X86VMemOperand<VR512, "printi64mem", X86MemVZ64Operand>;
335 // A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
336 // plain GR64, so that it doesn't potentially require a REX prefix.
337 def i8mem_NOREX : Operand<i64> {
338 let PrintMethod = "printi8mem";
339 let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_NOREX_NOSP, i32imm, i8imm);
340 let ParserMatchClass = X86Mem8AsmOperand;
341 let OperandType = "OPERAND_MEMORY";
344 // GPRs available for tailcall.
345 // It represents GR32_TC, GR64_TC or GR64_TCW64.
346 def ptr_rc_tailcall : PointerLikeRegClass<2>;
348 // Special i32mem for addresses of load folding tail calls. These are not
349 // allowed to use callee-saved registers since they must be scheduled
350 // after callee-saved register are popped.
351 def i32mem_TC : Operand<i32> {
352 let PrintMethod = "printi32mem";
353 let MIOperandInfo = (ops ptr_rc_tailcall, i8imm, ptr_rc_tailcall,
355 let ParserMatchClass = X86Mem32AsmOperand;
356 let OperandType = "OPERAND_MEMORY";
359 // Special i64mem for addresses of load folding tail calls. These are not
360 // allowed to use callee-saved registers since they must be scheduled
361 // after callee-saved register are popped.
362 def i64mem_TC : Operand<i64> {
363 let PrintMethod = "printi64mem";
364 let MIOperandInfo = (ops ptr_rc_tailcall, i8imm,
365 ptr_rc_tailcall, i32imm, i8imm);
366 let ParserMatchClass = X86Mem64AsmOperand;
367 let OperandType = "OPERAND_MEMORY";
370 let OperandType = "OPERAND_PCREL",
371 ParserMatchClass = X86AbsMemAsmOperand,
372 PrintMethod = "printPCRelImm" in {
373 def i32imm_pcrel : Operand<i32>;
374 def i16imm_pcrel : Operand<i16>;
376 // Branch targets have OtherVT type and print as pc-relative values.
377 def brtarget : Operand<OtherVT>;
378 def brtarget8 : Operand<OtherVT>;
382 // Special parsers to detect mode to disambiguate.
383 def X86AbsMem16AsmOperand : AsmOperandClass {
384 let Name = "AbsMem16";
385 let RenderMethod = "addAbsMemOperands";
386 let SuperClasses = [X86AbsMemAsmOperand];
389 def X86AbsMem32AsmOperand : AsmOperandClass {
390 let Name = "AbsMem32";
391 let RenderMethod = "addAbsMemOperands";
392 let SuperClasses = [X86AbsMemAsmOperand];
395 // Branch targets have OtherVT type and print as pc-relative values.
396 let OperandType = "OPERAND_PCREL",
397 PrintMethod = "printPCRelImm" in {
398 let ParserMatchClass = X86AbsMem16AsmOperand in
399 def brtarget16 : Operand<OtherVT>;
400 let ParserMatchClass = X86AbsMem32AsmOperand in
401 def brtarget32 : Operand<OtherVT>;
404 let RenderMethod = "addSrcIdxOperands" in {
405 def X86SrcIdx8Operand : AsmOperandClass {
406 let Name = "SrcIdx8";
407 let SuperClasses = [X86Mem8AsmOperand];
409 def X86SrcIdx16Operand : AsmOperandClass {
410 let Name = "SrcIdx16";
411 let SuperClasses = [X86Mem16AsmOperand];
413 def X86SrcIdx32Operand : AsmOperandClass {
414 let Name = "SrcIdx32";
415 let SuperClasses = [X86Mem32AsmOperand];
417 def X86SrcIdx64Operand : AsmOperandClass {
418 let Name = "SrcIdx64";
419 let SuperClasses = [X86Mem64AsmOperand];
421 } // RenderMethod = "addSrcIdxOperands"
423 let RenderMethod = "addDstIdxOperands" in {
424 def X86DstIdx8Operand : AsmOperandClass {
425 let Name = "DstIdx8";
426 let SuperClasses = [X86Mem8AsmOperand];
428 def X86DstIdx16Operand : AsmOperandClass {
429 let Name = "DstIdx16";
430 let SuperClasses = [X86Mem16AsmOperand];
432 def X86DstIdx32Operand : AsmOperandClass {
433 let Name = "DstIdx32";
434 let SuperClasses = [X86Mem32AsmOperand];
436 def X86DstIdx64Operand : AsmOperandClass {
437 let Name = "DstIdx64";
438 let SuperClasses = [X86Mem64AsmOperand];
440 } // RenderMethod = "addDstIdxOperands"
442 let RenderMethod = "addMemOffsOperands" in {
443 def X86MemOffs16_8AsmOperand : AsmOperandClass {
444 let Name = "MemOffs16_8";
445 let SuperClasses = [X86Mem8AsmOperand];
447 def X86MemOffs16_16AsmOperand : AsmOperandClass {
448 let Name = "MemOffs16_16";
449 let SuperClasses = [X86Mem16AsmOperand];
451 def X86MemOffs16_32AsmOperand : AsmOperandClass {
452 let Name = "MemOffs16_32";
453 let SuperClasses = [X86Mem32AsmOperand];
455 def X86MemOffs32_8AsmOperand : AsmOperandClass {
456 let Name = "MemOffs32_8";
457 let SuperClasses = [X86Mem8AsmOperand];
459 def X86MemOffs32_16AsmOperand : AsmOperandClass {
460 let Name = "MemOffs32_16";
461 let SuperClasses = [X86Mem16AsmOperand];
463 def X86MemOffs32_32AsmOperand : AsmOperandClass {
464 let Name = "MemOffs32_32";
465 let SuperClasses = [X86Mem32AsmOperand];
467 def X86MemOffs32_64AsmOperand : AsmOperandClass {
468 let Name = "MemOffs32_64";
469 let SuperClasses = [X86Mem64AsmOperand];
471 def X86MemOffs64_8AsmOperand : AsmOperandClass {
472 let Name = "MemOffs64_8";
473 let SuperClasses = [X86Mem8AsmOperand];
475 def X86MemOffs64_16AsmOperand : AsmOperandClass {
476 let Name = "MemOffs64_16";
477 let SuperClasses = [X86Mem16AsmOperand];
479 def X86MemOffs64_32AsmOperand : AsmOperandClass {
480 let Name = "MemOffs64_32";
481 let SuperClasses = [X86Mem32AsmOperand];
483 def X86MemOffs64_64AsmOperand : AsmOperandClass {
484 let Name = "MemOffs64_64";
485 let SuperClasses = [X86Mem64AsmOperand];
487 } // RenderMethod = "addMemOffsOperands"
489 class X86SrcIdxOperand<string printMethod, AsmOperandClass parserMatchClass>
490 : X86MemOperand<printMethod, parserMatchClass> {
491 let MIOperandInfo = (ops ptr_rc, i8imm);
494 class X86DstIdxOperand<string printMethod, AsmOperandClass parserMatchClass>
495 : X86MemOperand<printMethod, parserMatchClass> {
496 let MIOperandInfo = (ops ptr_rc);
499 def srcidx8 : X86SrcIdxOperand<"printSrcIdx8", X86SrcIdx8Operand>;
500 def srcidx16 : X86SrcIdxOperand<"printSrcIdx16", X86SrcIdx16Operand>;
501 def srcidx32 : X86SrcIdxOperand<"printSrcIdx32", X86SrcIdx32Operand>;
502 def srcidx64 : X86SrcIdxOperand<"printSrcIdx64", X86SrcIdx64Operand>;
503 def dstidx8 : X86DstIdxOperand<"printDstIdx8", X86DstIdx8Operand>;
504 def dstidx16 : X86DstIdxOperand<"printDstIdx16", X86DstIdx16Operand>;
505 def dstidx32 : X86DstIdxOperand<"printDstIdx32", X86DstIdx32Operand>;
506 def dstidx64 : X86DstIdxOperand<"printDstIdx64", X86DstIdx64Operand>;
508 class X86MemOffsOperand<Operand immOperand, string printMethod,
509 AsmOperandClass parserMatchClass>
510 : X86MemOperand<printMethod, parserMatchClass> {
511 let MIOperandInfo = (ops immOperand, i8imm);
514 def offset16_8 : X86MemOffsOperand<i16imm, "printMemOffs8",
515 X86MemOffs16_8AsmOperand>;
516 def offset16_16 : X86MemOffsOperand<i16imm, "printMemOffs16",
517 X86MemOffs16_16AsmOperand>;
518 def offset16_32 : X86MemOffsOperand<i16imm, "printMemOffs32",
519 X86MemOffs16_32AsmOperand>;
520 def offset32_8 : X86MemOffsOperand<i32imm, "printMemOffs8",
521 X86MemOffs32_8AsmOperand>;
522 def offset32_16 : X86MemOffsOperand<i32imm, "printMemOffs16",
523 X86MemOffs32_16AsmOperand>;
524 def offset32_32 : X86MemOffsOperand<i32imm, "printMemOffs32",
525 X86MemOffs32_32AsmOperand>;
526 def offset32_64 : X86MemOffsOperand<i32imm, "printMemOffs64",
527 X86MemOffs32_64AsmOperand>;
528 def offset64_8 : X86MemOffsOperand<i64imm, "printMemOffs8",
529 X86MemOffs64_8AsmOperand>;
530 def offset64_16 : X86MemOffsOperand<i64imm, "printMemOffs16",
531 X86MemOffs64_16AsmOperand>;
532 def offset64_32 : X86MemOffsOperand<i64imm, "printMemOffs32",
533 X86MemOffs64_32AsmOperand>;
534 def offset64_64 : X86MemOffsOperand<i64imm, "printMemOffs64",
535 X86MemOffs64_64AsmOperand>;
537 def SSECC : Operand<i8> {
538 let PrintMethod = "printSSECC";
539 let OperandType = "OPERAND_IMMEDIATE";
542 def i8immZExt3 : ImmLeaf<i8, [{
543 return Imm >= 0 && Imm < 8;
546 def AVXCC : Operand<i8> {
547 let PrintMethod = "printAVXCC";
548 let OperandType = "OPERAND_IMMEDIATE";
551 def i8immZExt5 : ImmLeaf<i8, [{
552 return Imm >= 0 && Imm < 32;
554 // AVX-512 uses a 32-bit immediate in their intrinsics
555 def i32immZExt5 : ImmLeaf<i32, [{
556 return Imm >= 0 && Imm < 32;
559 class ImmSExtAsmOperandClass : AsmOperandClass {
560 let SuperClasses = [ImmAsmOperand];
561 let RenderMethod = "addImmOperands";
564 def X86GR32orGR64AsmOperand : AsmOperandClass {
565 let Name = "GR32orGR64";
568 def GR32orGR64 : RegisterOperand<GR32> {
569 let ParserMatchClass = X86GR32orGR64AsmOperand;
572 def AVX512RC : Operand<i32> {
573 let PrintMethod = "printRoundingControl";
574 let OperandType = "OPERAND_IMMEDIATE";
577 // Sign-extended immediate classes. We don't need to define the full lattice
578 // here because there is no instruction with an ambiguity between ImmSExti64i32
581 // The strange ranges come from the fact that the assembler always works with
582 // 64-bit immediates, but for a 16-bit target value we want to accept both "-1"
583 // (which will be a -1ULL), and "0xFF" (-1 in 16-bits).
586 // [0xFFFFFFFF80000000, 0xFFFFFFFFFFFFFFFF]
587 def ImmSExti64i32AsmOperand : ImmSExtAsmOperandClass {
588 let Name = "ImmSExti64i32";
591 // [0, 0x0000007F] | [0x000000000000FF80, 0x000000000000FFFF] |
592 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
593 def ImmSExti16i8AsmOperand : ImmSExtAsmOperandClass {
594 let Name = "ImmSExti16i8";
595 let SuperClasses = [ImmSExti64i32AsmOperand];
598 // [0, 0x0000007F] | [0x00000000FFFFFF80, 0x00000000FFFFFFFF] |
599 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
600 def ImmSExti32i8AsmOperand : ImmSExtAsmOperandClass {
601 let Name = "ImmSExti32i8";
605 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
606 def ImmSExti64i8AsmOperand : ImmSExtAsmOperandClass {
607 let Name = "ImmSExti64i8";
608 let SuperClasses = [ImmSExti16i8AsmOperand, ImmSExti32i8AsmOperand,
609 ImmSExti64i32AsmOperand];
612 // A couple of more descriptive operand definitions.
613 // 16-bits but only 8 bits are significant.
614 def i16i8imm : Operand<i16> {
615 let ParserMatchClass = ImmSExti16i8AsmOperand;
616 let OperandType = "OPERAND_IMMEDIATE";
618 // 32-bits but only 8 bits are significant.
619 def i32i8imm : Operand<i32> {
620 let ParserMatchClass = ImmSExti32i8AsmOperand;
621 let OperandType = "OPERAND_IMMEDIATE";
624 // 64-bits but only 32 bits are significant.
625 def i64i32imm : Operand<i64> {
626 let ParserMatchClass = ImmSExti64i32AsmOperand;
627 let OperandType = "OPERAND_IMMEDIATE";
630 // 64-bits but only 32 bits are significant, and those bits are treated as being
632 def i64i32imm_pcrel : Operand<i64> {
633 let PrintMethod = "printPCRelImm";
634 let ParserMatchClass = X86AbsMemAsmOperand;
635 let OperandType = "OPERAND_PCREL";
638 // 64-bits but only 8 bits are significant.
639 def i64i8imm : Operand<i64> {
640 let ParserMatchClass = ImmSExti64i8AsmOperand;
641 let OperandType = "OPERAND_IMMEDIATE";
644 def lea64_32mem : Operand<i32> {
645 let PrintMethod = "printanymem";
646 let MIOperandInfo = (ops GR64, i8imm, GR64_NOSP, i32imm, i8imm);
647 let ParserMatchClass = X86MemAsmOperand;
650 // Memory operands that use 64-bit pointers in both ILP32 and LP64.
651 def lea64mem : Operand<i64> {
652 let PrintMethod = "printanymem";
653 let MIOperandInfo = (ops GR64, i8imm, GR64_NOSP, i32imm, i8imm);
654 let ParserMatchClass = X86MemAsmOperand;
658 //===----------------------------------------------------------------------===//
659 // X86 Complex Pattern Definitions.
662 // Define X86 specific addressing mode.
663 def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], [SDNPWantParent]>;
664 def lea32addr : ComplexPattern<i32, 5, "SelectLEAAddr",
665 [add, sub, mul, X86mul_imm, shl, or, frameindex],
667 // In 64-bit mode 32-bit LEAs can use RIP-relative addressing.
668 def lea64_32addr : ComplexPattern<i32, 5, "SelectLEA64_32Addr",
669 [add, sub, mul, X86mul_imm, shl, or,
670 frameindex, X86WrapperRIP],
673 def tls32addr : ComplexPattern<i32, 5, "SelectTLSADDRAddr",
674 [tglobaltlsaddr], []>;
676 def tls32baseaddr : ComplexPattern<i32, 5, "SelectTLSADDRAddr",
677 [tglobaltlsaddr], []>;
679 def lea64addr : ComplexPattern<i64, 5, "SelectLEAAddr",
680 [add, sub, mul, X86mul_imm, shl, or, frameindex,
683 def tls64addr : ComplexPattern<i64, 5, "SelectTLSADDRAddr",
684 [tglobaltlsaddr], []>;
686 def tls64baseaddr : ComplexPattern<i64, 5, "SelectTLSADDRAddr",
687 [tglobaltlsaddr], []>;
689 //===----------------------------------------------------------------------===//
690 // X86 Instruction Predicate Definitions.
691 def HasCMov : Predicate<"Subtarget->hasCMov()">;
692 def NoCMov : Predicate<"!Subtarget->hasCMov()">;
694 def HasMMX : Predicate<"Subtarget->hasMMX()">;
695 def Has3DNow : Predicate<"Subtarget->has3DNow()">;
696 def Has3DNowA : Predicate<"Subtarget->has3DNowA()">;
697 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
698 def UseSSE1 : Predicate<"Subtarget->hasSSE1() && !Subtarget->hasAVX()">;
699 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
700 def UseSSE2 : Predicate<"Subtarget->hasSSE2() && !Subtarget->hasAVX()">;
701 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
702 def UseSSE3 : Predicate<"Subtarget->hasSSE3() && !Subtarget->hasAVX()">;
703 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
704 def UseSSSE3 : Predicate<"Subtarget->hasSSSE3() && !Subtarget->hasAVX()">;
705 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
706 def NoSSE41 : Predicate<"!Subtarget->hasSSE41()">;
707 def UseSSE41 : Predicate<"Subtarget->hasSSE41() && !Subtarget->hasAVX()">;
708 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
709 def UseSSE42 : Predicate<"Subtarget->hasSSE42() && !Subtarget->hasAVX()">;
710 def HasSSE4A : Predicate<"Subtarget->hasSSE4A()">;
711 def HasAVX : Predicate<"Subtarget->hasAVX()">;
712 def HasAVX2 : Predicate<"Subtarget->hasAVX2()">;
713 def HasAVX1Only : Predicate<"Subtarget->hasAVX() && !Subtarget->hasAVX2()">;
714 def HasAVX512 : Predicate<"Subtarget->hasAVX512()">,
715 AssemblerPredicate<"FeatureAVX512", "AVX-512 ISA">;
716 def UseAVX : Predicate<"Subtarget->hasAVX() && !Subtarget->hasAVX512()">;
717 def UseAVX2 : Predicate<"Subtarget->hasAVX2() && !Subtarget->hasAVX512()">;
718 def NoAVX512 : Predicate<"!Subtarget->hasAVX512()">;
719 def HasCDI : Predicate<"Subtarget->hasCDI()">;
720 def HasPFI : Predicate<"Subtarget->hasPFI()">;
721 def HasERI : Predicate<"Subtarget->hasERI()">;
722 def HasDQI : Predicate<"Subtarget->hasDQI()">;
723 def NoDQI : Predicate<"!Subtarget->hasDQI()">;
724 def HasBWI : Predicate<"Subtarget->hasBWI()">;
725 def HasVLX : Predicate<"Subtarget->hasVLX()">,
726 AssemblerPredicate<"FeatureVLX", "AVX-512 VLX ISA">;
727 def NoVLX : Predicate<"!Subtarget->hasVLX()">;
729 def HasPOPCNT : Predicate<"Subtarget->hasPOPCNT()">;
730 def HasAES : Predicate<"Subtarget->hasAES()">;
731 def HasPCLMUL : Predicate<"Subtarget->hasPCLMUL()">;
732 def HasFMA : Predicate<"Subtarget->hasFMA()">;
733 def UseFMAOnAVX : Predicate<"Subtarget->hasFMA() && !Subtarget->hasAVX512()">;
734 def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
735 def HasXOP : Predicate<"Subtarget->hasXOP()">;
736 def HasTBM : Predicate<"Subtarget->hasTBM()">;
737 def HasMOVBE : Predicate<"Subtarget->hasMOVBE()">;
738 def HasRDRAND : Predicate<"Subtarget->hasRDRAND()">;
739 def HasF16C : Predicate<"Subtarget->hasF16C()">;
740 def HasFSGSBase : Predicate<"Subtarget->hasFSGSBase()">;
741 def HasLZCNT : Predicate<"Subtarget->hasLZCNT()">;
742 def HasBMI : Predicate<"Subtarget->hasBMI()">;
743 def HasBMI2 : Predicate<"Subtarget->hasBMI2()">;
744 def HasRTM : Predicate<"Subtarget->hasRTM()">;
745 def HasHLE : Predicate<"Subtarget->hasHLE()">;
746 def HasTSX : Predicate<"Subtarget->hasRTM() || Subtarget->hasHLE()">;
747 def HasADX : Predicate<"Subtarget->hasADX()">;
748 def HasSHA : Predicate<"Subtarget->hasSHA()">;
749 def HasSGX : Predicate<"Subtarget->hasSGX()">;
750 def HasPRFCHW : Predicate<"Subtarget->hasPRFCHW()">;
751 def HasRDSEED : Predicate<"Subtarget->hasRDSEED()">;
752 def HasSMAP : Predicate<"Subtarget->hasSMAP()">;
753 def HasPrefetchW : Predicate<"Subtarget->hasPRFCHW()">;
754 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
755 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
756 def HasCmpxchg16b: Predicate<"Subtarget->hasCmpxchg16b()">;
757 def Not64BitMode : Predicate<"!Subtarget->is64Bit()">,
758 AssemblerPredicate<"!Mode64Bit", "Not 64-bit mode">;
759 def In64BitMode : Predicate<"Subtarget->is64Bit()">,
760 AssemblerPredicate<"Mode64Bit", "64-bit mode">;
761 def IsLP64 : Predicate<"Subtarget->isTarget64BitLP64()">;
762 def NotLP64 : Predicate<"!Subtarget->isTarget64BitLP64()">;
763 def In16BitMode : Predicate<"Subtarget->is16Bit()">,
764 AssemblerPredicate<"Mode16Bit", "16-bit mode">;
765 def Not16BitMode : Predicate<"!Subtarget->is16Bit()">,
766 AssemblerPredicate<"!Mode16Bit", "Not 16-bit mode">;
767 def In32BitMode : Predicate<"Subtarget->is32Bit()">,
768 AssemblerPredicate<"Mode32Bit", "32-bit mode">;
769 def IsWin64 : Predicate<"Subtarget->isTargetWin64()">;
770 def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
771 def NotNaCl : Predicate<"!Subtarget->isTargetNaCl()">;
772 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
773 def KernelCode : Predicate<"TM.getCodeModel() == CodeModel::Kernel">;
774 def FarData : Predicate<"TM.getCodeModel() != CodeModel::Small &&"
775 "TM.getCodeModel() != CodeModel::Kernel">;
776 def NearData : Predicate<"TM.getCodeModel() == CodeModel::Small ||"
777 "TM.getCodeModel() == CodeModel::Kernel">;
778 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
779 def IsNotPIC : Predicate<"TM.getRelocationModel() != Reloc::PIC_">;
780 def OptForSize : Predicate<"OptForSize">;
781 def OptForSpeed : Predicate<"!OptForSize">;
782 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
783 def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
784 def FavorMemIndirectCall : Predicate<"!Subtarget->callRegIndirect()">;
785 def NotSlowIncDec : Predicate<"!Subtarget->slowIncDec()">;
786 def HasFastMem32 : Predicate<"!Subtarget->isUnalignedMem32Slow()">;
788 //===----------------------------------------------------------------------===//
789 // X86 Instruction Format Definitions.
792 include "X86InstrFormats.td"
794 //===----------------------------------------------------------------------===//
795 // Pattern fragments.
798 // X86 specific condition code. These correspond to CondCode in
799 // X86InstrInfo.h. They must be kept in synch.
800 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
801 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
802 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
803 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
804 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
805 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
806 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
807 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
808 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
809 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
810 def X86_COND_NO : PatLeaf<(i8 10)>;
811 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
812 def X86_COND_NS : PatLeaf<(i8 12)>;
813 def X86_COND_O : PatLeaf<(i8 13)>;
814 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
815 def X86_COND_S : PatLeaf<(i8 15)>;
817 // Predicate used to help when pattern matching LZCNT/TZCNT.
818 def X86_COND_E_OR_NE : ImmLeaf<i8, [{
819 return (Imm == X86::COND_E) || (Imm == X86::COND_NE);
822 let FastIselShouldIgnore = 1 in { // FastIsel should ignore all simm8 instrs.
823 def i16immSExt8 : ImmLeaf<i16, [{ return Imm == (int8_t)Imm; }]>;
824 def i32immSExt8 : ImmLeaf<i32, [{ return Imm == (int8_t)Imm; }]>;
825 def i64immSExt8 : ImmLeaf<i64, [{ return Imm == (int8_t)Imm; }]>;
828 def i64immSExt32 : ImmLeaf<i64, [{ return Imm == (int32_t)Imm; }]>;
831 // i64immZExt32 predicate - True if the 64-bit immediate fits in a 32-bit
833 def i64immZExt32 : ImmLeaf<i64, [{ return (uint64_t)Imm == (uint32_t)Imm; }]>;
835 def i64immZExt32SExt8 : ImmLeaf<i64, [{
836 return (uint64_t)Imm == (uint32_t)Imm && (int32_t)Imm == (int8_t)Imm;
839 // Helper fragments for loads.
840 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
841 // known to be 32-bit aligned or better. Ditto for i8 to i16.
842 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
843 LoadSDNode *LD = cast<LoadSDNode>(N);
844 ISD::LoadExtType ExtType = LD->getExtensionType();
845 if (ExtType == ISD::NON_EXTLOAD)
847 if (ExtType == ISD::EXTLOAD)
848 return LD->getAlignment() >= 2 && !LD->isVolatile();
852 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)),[{
853 LoadSDNode *LD = cast<LoadSDNode>(N);
854 ISD::LoadExtType ExtType = LD->getExtensionType();
855 if (ExtType == ISD::EXTLOAD)
856 return LD->getAlignment() >= 2 && !LD->isVolatile();
860 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
861 LoadSDNode *LD = cast<LoadSDNode>(N);
862 ISD::LoadExtType ExtType = LD->getExtensionType();
863 if (ExtType == ISD::NON_EXTLOAD)
865 if (ExtType == ISD::EXTLOAD)
866 return LD->getAlignment() >= 4 && !LD->isVolatile();
870 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
871 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr))>;
872 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
873 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
874 def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr))>;
876 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
877 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
878 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
879 def sextloadi64i8 : PatFrag<(ops node:$ptr), (i64 (sextloadi8 node:$ptr))>;
880 def sextloadi64i16 : PatFrag<(ops node:$ptr), (i64 (sextloadi16 node:$ptr))>;
881 def sextloadi64i32 : PatFrag<(ops node:$ptr), (i64 (sextloadi32 node:$ptr))>;
883 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
884 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
885 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
886 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
887 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
888 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
889 def zextloadi64i1 : PatFrag<(ops node:$ptr), (i64 (zextloadi1 node:$ptr))>;
890 def zextloadi64i8 : PatFrag<(ops node:$ptr), (i64 (zextloadi8 node:$ptr))>;
891 def zextloadi64i16 : PatFrag<(ops node:$ptr), (i64 (zextloadi16 node:$ptr))>;
892 def zextloadi64i32 : PatFrag<(ops node:$ptr), (i64 (zextloadi32 node:$ptr))>;
894 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
895 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
896 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
897 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
898 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
899 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
900 def extloadi64i1 : PatFrag<(ops node:$ptr), (i64 (extloadi1 node:$ptr))>;
901 def extloadi64i8 : PatFrag<(ops node:$ptr), (i64 (extloadi8 node:$ptr))>;
902 def extloadi64i16 : PatFrag<(ops node:$ptr), (i64 (extloadi16 node:$ptr))>;
903 def extloadi64i32 : PatFrag<(ops node:$ptr), (i64 (extloadi32 node:$ptr))>;
906 // An 'and' node with a single use.
907 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
908 return N->hasOneUse();
910 // An 'srl' node with a single use.
911 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
912 return N->hasOneUse();
914 // An 'trunc' node with a single use.
915 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
916 return N->hasOneUse();
919 //===----------------------------------------------------------------------===//
924 let hasSideEffects = 0, SchedRW = [WriteZero] in {
925 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", [], IIC_NOP>;
926 def NOOPW : I<0x1f, MRMXm, (outs), (ins i16mem:$zero),
927 "nop{w}\t$zero", [], IIC_NOP>, TB, OpSize16;
928 def NOOPL : I<0x1f, MRMXm, (outs), (ins i32mem:$zero),
929 "nop{l}\t$zero", [], IIC_NOP>, TB, OpSize32;
933 // Constructing a stack frame.
934 def ENTER : Ii16<0xC8, RawFrmImm8, (outs), (ins i16imm:$len, i8imm:$lvl),
935 "enter\t$len, $lvl", [], IIC_ENTER>, Sched<[WriteMicrocoded]>;
937 let SchedRW = [WriteALU] in {
938 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, hasSideEffects=0 in
939 def LEAVE : I<0xC9, RawFrm,
940 (outs), (ins), "leave", [], IIC_LEAVE>,
941 Requires<[Not64BitMode]>;
943 let Defs = [RBP,RSP], Uses = [RBP,RSP], mayLoad = 1, hasSideEffects = 0 in
944 def LEAVE64 : I<0xC9, RawFrm,
945 (outs), (ins), "leave", [], IIC_LEAVE>,
946 Requires<[In64BitMode]>;
949 //===----------------------------------------------------------------------===//
950 // Miscellaneous Instructions.
953 let Defs = [ESP], Uses = [ESP], hasSideEffects=0 in {
954 let mayLoad = 1, SchedRW = [WriteLoad] in {
955 def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", [],
956 IIC_POP_REG16>, OpSize16;
957 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", [],
958 IIC_POP_REG>, OpSize32, Requires<[Not64BitMode]>;
959 def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", [],
960 IIC_POP_REG>, OpSize16;
961 def POP16rmm: I<0x8F, MRM0m, (outs), (ins i16mem:$dst), "pop{w}\t$dst", [],
962 IIC_POP_MEM>, OpSize16;
963 def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", [],
964 IIC_POP_REG>, OpSize32, Requires<[Not64BitMode]>;
965 def POP32rmm: I<0x8F, MRM0m, (outs), (ins i32mem:$dst), "pop{l}\t$dst", [],
966 IIC_POP_MEM>, OpSize32, Requires<[Not64BitMode]>;
967 } // mayLoad, SchedRW
969 let mayStore = 1, SchedRW = [WriteStore] in {
970 def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[],
971 IIC_PUSH_REG>, OpSize16;
972 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[],
973 IIC_PUSH_REG>, OpSize32, Requires<[Not64BitMode]>;
974 def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[],
975 IIC_PUSH_REG>, OpSize16;
976 def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[],
977 IIC_PUSH_MEM>, OpSize16;
978 def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[],
979 IIC_PUSH_REG>, OpSize32, Requires<[Not64BitMode]>;
980 def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[],
981 IIC_PUSH_MEM>, OpSize32, Requires<[Not64BitMode]>;
983 def PUSH16i8 : Ii8<0x6a, RawFrm, (outs), (ins i16i8imm:$imm),
984 "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16,
985 Requires<[Not64BitMode]>;
986 def PUSH32i8 : Ii8<0x6a, RawFrm, (outs), (ins i32i8imm:$imm),
987 "push{l}\t$imm", [], IIC_PUSH_IMM>, OpSize32,
988 Requires<[Not64BitMode]>;
989 def PUSHi16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
990 "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16,
991 Requires<[Not64BitMode]>;
992 def PUSHi32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
993 "push{l}\t$imm", [], IIC_PUSH_IMM>, OpSize32,
994 Requires<[Not64BitMode]>;
995 } // mayStore, SchedRW
998 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, hasSideEffects=0,
999 SchedRW = [WriteLoad] in {
1000 def POPF16 : I<0x9D, RawFrm, (outs), (ins), "popf{w}", [], IIC_POP_F>,
1002 def POPF32 : I<0x9D, RawFrm, (outs), (ins), "popf{l|d}", [], IIC_POP_FD>,
1003 OpSize32, Requires<[Not64BitMode]>;
1006 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, hasSideEffects=0,
1007 SchedRW = [WriteStore] in {
1008 def PUSHF16 : I<0x9C, RawFrm, (outs), (ins), "pushf{w}", [], IIC_PUSH_F>,
1010 def PUSHF32 : I<0x9C, RawFrm, (outs), (ins), "pushf{l|d}", [], IIC_PUSH_F>,
1011 OpSize32, Requires<[Not64BitMode]>;
1014 let Defs = [RSP], Uses = [RSP], hasSideEffects=0 in {
1015 let mayLoad = 1, SchedRW = [WriteLoad] in {
1016 def POP64r : I<0x58, AddRegFrm, (outs GR64:$reg), (ins), "pop{q}\t$reg", [],
1017 IIC_POP_REG>, OpSize32, Requires<[In64BitMode]>;
1018 def POP64rmr: I<0x8F, MRM0r, (outs GR64:$reg), (ins), "pop{q}\t$reg", [],
1019 IIC_POP_REG>, OpSize32, Requires<[In64BitMode]>;
1020 def POP64rmm: I<0x8F, MRM0m, (outs), (ins i64mem:$dst), "pop{q}\t$dst", [],
1021 IIC_POP_MEM>, OpSize32, Requires<[In64BitMode]>;
1022 } // mayLoad, SchedRW
1023 let mayStore = 1, SchedRW = [WriteStore] in {
1024 def PUSH64r : I<0x50, AddRegFrm, (outs), (ins GR64:$reg), "push{q}\t$reg", [],
1025 IIC_PUSH_REG>, OpSize32, Requires<[In64BitMode]>;
1026 def PUSH64rmr: I<0xFF, MRM6r, (outs), (ins GR64:$reg), "push{q}\t$reg", [],
1027 IIC_PUSH_REG>, OpSize32, Requires<[In64BitMode]>;
1028 def PUSH64rmm: I<0xFF, MRM6m, (outs), (ins i64mem:$src), "push{q}\t$src", [],
1029 IIC_PUSH_MEM>, OpSize32, Requires<[In64BitMode]>;
1030 } // mayStore, SchedRW
1033 let Defs = [RSP], Uses = [RSP], hasSideEffects = 0, mayStore = 1,
1034 SchedRW = [WriteStore] in {
1035 def PUSH64i8 : Ii8<0x6a, RawFrm, (outs), (ins i64i8imm:$imm),
1036 "push{q}\t$imm", [], IIC_PUSH_IMM>, Requires<[In64BitMode]>;
1037 def PUSH64i16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
1038 "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16,
1039 Requires<[In64BitMode]>;
1040 def PUSH64i32 : Ii32S<0x68, RawFrm, (outs), (ins i64i32imm:$imm),
1041 "push{q}\t$imm", [], IIC_PUSH_IMM>, OpSize32,
1042 Requires<[In64BitMode]>;
1045 let Defs = [RSP, EFLAGS], Uses = [RSP], mayLoad = 1, hasSideEffects=0 in
1046 def POPF64 : I<0x9D, RawFrm, (outs), (ins), "popfq", [], IIC_POP_FD>,
1047 OpSize32, Requires<[In64BitMode]>, Sched<[WriteLoad]>;
1048 let Defs = [RSP], Uses = [RSP, EFLAGS], mayStore = 1, hasSideEffects=0 in
1049 def PUSHF64 : I<0x9C, RawFrm, (outs), (ins), "pushfq", [], IIC_PUSH_F>,
1050 OpSize32, Requires<[In64BitMode]>, Sched<[WriteStore]>;
1052 let Defs = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP], Uses = [ESP],
1053 mayLoad = 1, hasSideEffects = 0, SchedRW = [WriteLoad] in {
1054 def POPA32 : I<0x61, RawFrm, (outs), (ins), "popal", [], IIC_POP_A>,
1055 OpSize32, Requires<[Not64BitMode]>;
1056 def POPA16 : I<0x61, RawFrm, (outs), (ins), "popaw", [], IIC_POP_A>,
1057 OpSize16, Requires<[Not64BitMode]>;
1059 let Defs = [ESP], Uses = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP],
1060 mayStore = 1, hasSideEffects = 0, SchedRW = [WriteStore] in {
1061 def PUSHA32 : I<0x60, RawFrm, (outs), (ins), "pushal", [], IIC_PUSH_A>,
1062 OpSize32, Requires<[Not64BitMode]>;
1063 def PUSHA16 : I<0x60, RawFrm, (outs), (ins), "pushaw", [], IIC_PUSH_A>,
1064 OpSize16, Requires<[Not64BitMode]>;
1067 let Constraints = "$src = $dst", SchedRW = [WriteALU] in {
1068 // GR32 = bswap GR32
1069 def BSWAP32r : I<0xC8, AddRegFrm,
1070 (outs GR32:$dst), (ins GR32:$src),
1072 [(set GR32:$dst, (bswap GR32:$src))], IIC_BSWAP>, OpSize32, TB;
1074 def BSWAP64r : RI<0xC8, AddRegFrm, (outs GR64:$dst), (ins GR64:$src),
1076 [(set GR64:$dst, (bswap GR64:$src))], IIC_BSWAP>, TB;
1077 } // Constraints = "$src = $dst", SchedRW
1079 // Bit scan instructions.
1080 let Defs = [EFLAGS] in {
1081 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1082 "bsf{w}\t{$src, $dst|$dst, $src}",
1083 [(set GR16:$dst, EFLAGS, (X86bsf GR16:$src))],
1084 IIC_BIT_SCAN_REG>, PS, OpSize16, Sched<[WriteShift]>;
1085 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1086 "bsf{w}\t{$src, $dst|$dst, $src}",
1087 [(set GR16:$dst, EFLAGS, (X86bsf (loadi16 addr:$src)))],
1088 IIC_BIT_SCAN_MEM>, PS, OpSize16, Sched<[WriteShiftLd]>;
1089 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1090 "bsf{l}\t{$src, $dst|$dst, $src}",
1091 [(set GR32:$dst, EFLAGS, (X86bsf GR32:$src))],
1092 IIC_BIT_SCAN_REG>, PS, OpSize32, Sched<[WriteShift]>;
1093 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1094 "bsf{l}\t{$src, $dst|$dst, $src}",
1095 [(set GR32:$dst, EFLAGS, (X86bsf (loadi32 addr:$src)))],
1096 IIC_BIT_SCAN_MEM>, PS, OpSize32, Sched<[WriteShiftLd]>;
1097 def BSF64rr : RI<0xBC, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1098 "bsf{q}\t{$src, $dst|$dst, $src}",
1099 [(set GR64:$dst, EFLAGS, (X86bsf GR64:$src))],
1100 IIC_BIT_SCAN_REG>, PS, Sched<[WriteShift]>;
1101 def BSF64rm : RI<0xBC, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1102 "bsf{q}\t{$src, $dst|$dst, $src}",
1103 [(set GR64:$dst, EFLAGS, (X86bsf (loadi64 addr:$src)))],
1104 IIC_BIT_SCAN_MEM>, PS, Sched<[WriteShiftLd]>;
1106 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1107 "bsr{w}\t{$src, $dst|$dst, $src}",
1108 [(set GR16:$dst, EFLAGS, (X86bsr GR16:$src))],
1109 IIC_BIT_SCAN_REG>, PS, OpSize16, Sched<[WriteShift]>;
1110 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1111 "bsr{w}\t{$src, $dst|$dst, $src}",
1112 [(set GR16:$dst, EFLAGS, (X86bsr (loadi16 addr:$src)))],
1113 IIC_BIT_SCAN_MEM>, PS, OpSize16, Sched<[WriteShiftLd]>;
1114 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1115 "bsr{l}\t{$src, $dst|$dst, $src}",
1116 [(set GR32:$dst, EFLAGS, (X86bsr GR32:$src))],
1117 IIC_BIT_SCAN_REG>, PS, OpSize32, Sched<[WriteShift]>;
1118 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1119 "bsr{l}\t{$src, $dst|$dst, $src}",
1120 [(set GR32:$dst, EFLAGS, (X86bsr (loadi32 addr:$src)))],
1121 IIC_BIT_SCAN_MEM>, PS, OpSize32, Sched<[WriteShiftLd]>;
1122 def BSR64rr : RI<0xBD, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1123 "bsr{q}\t{$src, $dst|$dst, $src}",
1124 [(set GR64:$dst, EFLAGS, (X86bsr GR64:$src))],
1125 IIC_BIT_SCAN_REG>, PS, Sched<[WriteShift]>;
1126 def BSR64rm : RI<0xBD, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1127 "bsr{q}\t{$src, $dst|$dst, $src}",
1128 [(set GR64:$dst, EFLAGS, (X86bsr (loadi64 addr:$src)))],
1129 IIC_BIT_SCAN_MEM>, PS, Sched<[WriteShiftLd]>;
1130 } // Defs = [EFLAGS]
1132 let SchedRW = [WriteMicrocoded] in {
1133 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1134 let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in {
1135 def MOVSB : I<0xA4, RawFrmDstSrc, (outs dstidx8:$dst), (ins srcidx8:$src),
1136 "movsb\t{$src, $dst|$dst, $src}", [], IIC_MOVS>;
1137 def MOVSW : I<0xA5, RawFrmDstSrc, (outs dstidx16:$dst), (ins srcidx16:$src),
1138 "movsw\t{$src, $dst|$dst, $src}", [], IIC_MOVS>, OpSize16;
1139 def MOVSL : I<0xA5, RawFrmDstSrc, (outs dstidx32:$dst), (ins srcidx32:$src),
1140 "movs{l|d}\t{$src, $dst|$dst, $src}", [], IIC_MOVS>, OpSize32;
1141 def MOVSQ : RI<0xA5, RawFrmDstSrc, (outs dstidx64:$dst), (ins srcidx64:$src),
1142 "movsq\t{$src, $dst|$dst, $src}", [], IIC_MOVS>;
1145 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1146 let Defs = [EDI], Uses = [AL,EDI,EFLAGS] in
1147 def STOSB : I<0xAA, RawFrmDst, (outs dstidx8:$dst), (ins),
1148 "stosb\t{%al, $dst|$dst, al}", [], IIC_STOS>;
1149 let Defs = [EDI], Uses = [AX,EDI,EFLAGS] in
1150 def STOSW : I<0xAB, RawFrmDst, (outs dstidx16:$dst), (ins),
1151 "stosw\t{%ax, $dst|$dst, ax}", [], IIC_STOS>, OpSize16;
1152 let Defs = [EDI], Uses = [EAX,EDI,EFLAGS] in
1153 def STOSL : I<0xAB, RawFrmDst, (outs dstidx32:$dst), (ins),
1154 "stos{l|d}\t{%eax, $dst|$dst, eax}", [], IIC_STOS>, OpSize32;
1155 let Defs = [RCX,RDI], Uses = [RAX,RCX,RDI,EFLAGS] in
1156 def STOSQ : RI<0xAB, RawFrmDst, (outs dstidx64:$dst), (ins),
1157 "stosq\t{%rax, $dst|$dst, rax}", [], IIC_STOS>;
1159 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1160 let Defs = [EDI,EFLAGS], Uses = [AL,EDI,EFLAGS] in
1161 def SCASB : I<0xAE, RawFrmDst, (outs), (ins dstidx8:$dst),
1162 "scasb\t{$dst, %al|al, $dst}", [], IIC_SCAS>;
1163 let Defs = [EDI,EFLAGS], Uses = [AX,EDI,EFLAGS] in
1164 def SCASW : I<0xAF, RawFrmDst, (outs), (ins dstidx16:$dst),
1165 "scasw\t{$dst, %ax|ax, $dst}", [], IIC_SCAS>, OpSize16;
1166 let Defs = [EDI,EFLAGS], Uses = [EAX,EDI,EFLAGS] in
1167 def SCASL : I<0xAF, RawFrmDst, (outs), (ins dstidx32:$dst),
1168 "scas{l|d}\t{$dst, %eax|eax, $dst}", [], IIC_SCAS>, OpSize32;
1169 let Defs = [EDI,EFLAGS], Uses = [RAX,EDI,EFLAGS] in
1170 def SCASQ : RI<0xAF, RawFrmDst, (outs), (ins dstidx64:$dst),
1171 "scasq\t{$dst, %rax|rax, $dst}", [], IIC_SCAS>;
1173 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1174 let Defs = [EDI,ESI,EFLAGS], Uses = [EDI,ESI,EFLAGS] in {
1175 def CMPSB : I<0xA6, RawFrmDstSrc, (outs), (ins dstidx8:$dst, srcidx8:$src),
1176 "cmpsb\t{$dst, $src|$src, $dst}", [], IIC_CMPS>;
1177 def CMPSW : I<0xA7, RawFrmDstSrc, (outs), (ins dstidx16:$dst, srcidx16:$src),
1178 "cmpsw\t{$dst, $src|$src, $dst}", [], IIC_CMPS>, OpSize16;
1179 def CMPSL : I<0xA7, RawFrmDstSrc, (outs), (ins dstidx32:$dst, srcidx32:$src),
1180 "cmps{l|d}\t{$dst, $src|$src, $dst}", [], IIC_CMPS>, OpSize32;
1181 def CMPSQ : RI<0xA7, RawFrmDstSrc, (outs), (ins dstidx64:$dst, srcidx64:$src),
1182 "cmpsq\t{$dst, $src|$src, $dst}", [], IIC_CMPS>;
1186 //===----------------------------------------------------------------------===//
1187 // Move Instructions.
1189 let SchedRW = [WriteMove] in {
1190 let hasSideEffects = 0 in {
1191 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
1192 "mov{b}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1193 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1194 "mov{w}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize16;
1195 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
1196 "mov{l}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize32;
1197 def MOV64rr : RI<0x89, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
1198 "mov{q}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1201 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
1202 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
1203 "mov{b}\t{$src, $dst|$dst, $src}",
1204 [(set GR8:$dst, imm:$src)], IIC_MOV>;
1205 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
1206 "mov{w}\t{$src, $dst|$dst, $src}",
1207 [(set GR16:$dst, imm:$src)], IIC_MOV>, OpSize16;
1208 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
1209 "mov{l}\t{$src, $dst|$dst, $src}",
1210 [(set GR32:$dst, imm:$src)], IIC_MOV>, OpSize32;
1211 def MOV64ri32 : RIi32S<0xC7, MRM0r, (outs GR64:$dst), (ins i64i32imm:$src),
1212 "mov{q}\t{$src, $dst|$dst, $src}",
1213 [(set GR64:$dst, i64immSExt32:$src)], IIC_MOV>;
1215 let isReMaterializable = 1 in {
1216 def MOV64ri : RIi64<0xB8, AddRegFrm, (outs GR64:$dst), (ins i64imm:$src),
1217 "movabs{q}\t{$src, $dst|$dst, $src}",
1218 [(set GR64:$dst, imm:$src)], IIC_MOV>;
1221 // Longer forms that use a ModR/M byte. Needed for disassembler
1222 let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0 in {
1223 def MOV8ri_alt : Ii8 <0xC6, MRM0r, (outs GR8 :$dst), (ins i8imm :$src),
1224 "mov{b}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1225 def MOV16ri_alt : Ii16<0xC7, MRM0r, (outs GR16:$dst), (ins i16imm:$src),
1226 "mov{w}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize16;
1227 def MOV32ri_alt : Ii32<0xC7, MRM0r, (outs GR32:$dst), (ins i32imm:$src),
1228 "mov{l}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize32;
1232 let SchedRW = [WriteStore] in {
1233 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
1234 "mov{b}\t{$src, $dst|$dst, $src}",
1235 [(store (i8 imm:$src), addr:$dst)], IIC_MOV_MEM>;
1236 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
1237 "mov{w}\t{$src, $dst|$dst, $src}",
1238 [(store (i16 imm:$src), addr:$dst)], IIC_MOV_MEM>, OpSize16;
1239 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
1240 "mov{l}\t{$src, $dst|$dst, $src}",
1241 [(store (i32 imm:$src), addr:$dst)], IIC_MOV_MEM>, OpSize32;
1242 def MOV64mi32 : RIi32S<0xC7, MRM0m, (outs), (ins i64mem:$dst, i64i32imm:$src),
1243 "mov{q}\t{$src, $dst|$dst, $src}",
1244 [(store i64immSExt32:$src, addr:$dst)], IIC_MOV_MEM>;
1247 let hasSideEffects = 0 in {
1249 /// Memory offset versions of moves. The immediate is an address mode sized
1250 /// offset from the segment base.
1251 let SchedRW = [WriteALU] in {
1252 let mayLoad = 1 in {
1254 def MOV8ao32 : Ii32<0xA0, RawFrmMemOffs, (outs), (ins offset32_8:$src),
1255 "mov{b}\t{$src, %al|al, $src}", [], IIC_MOV_MEM>,
1258 def MOV16ao32 : Ii32<0xA1, RawFrmMemOffs, (outs), (ins offset32_16:$src),
1259 "mov{w}\t{$src, %ax|ax, $src}", [], IIC_MOV_MEM>,
1262 def MOV32ao32 : Ii32<0xA1, RawFrmMemOffs, (outs), (ins offset32_32:$src),
1263 "mov{l}\t{$src, %eax|eax, $src}", [], IIC_MOV_MEM>,
1266 def MOV64ao32 : RIi32<0xA1, RawFrmMemOffs, (outs), (ins offset32_64:$src),
1267 "mov{q}\t{$src, %rax|rax, $src}", [], IIC_MOV_MEM>,
1271 def MOV8ao16 : Ii16<0xA0, RawFrmMemOffs, (outs), (ins offset16_8:$src),
1272 "mov{b}\t{$src, %al|al, $src}", [], IIC_MOV_MEM>, AdSize16;
1274 def MOV16ao16 : Ii16<0xA1, RawFrmMemOffs, (outs), (ins offset16_16:$src),
1275 "mov{w}\t{$src, %ax|ax, $src}", [], IIC_MOV_MEM>,
1278 def MOV32ao16 : Ii16<0xA1, RawFrmMemOffs, (outs), (ins offset16_32:$src),
1279 "mov{l}\t{$src, %eax|eax, $src}", [], IIC_MOV_MEM>,
1282 let mayStore = 1 in {
1284 def MOV8o32a : Ii32<0xA2, RawFrmMemOffs, (outs offset32_8:$dst), (ins),
1285 "mov{b}\t{%al, $dst|$dst, al}", [], IIC_MOV_MEM>, AdSize32;
1287 def MOV16o32a : Ii32<0xA3, RawFrmMemOffs, (outs offset32_16:$dst), (ins),
1288 "mov{w}\t{%ax, $dst|$dst, ax}", [], IIC_MOV_MEM>,
1291 def MOV32o32a : Ii32<0xA3, RawFrmMemOffs, (outs offset32_32:$dst), (ins),
1292 "mov{l}\t{%eax, $dst|$dst, eax}", [], IIC_MOV_MEM>,
1295 def MOV64o32a : RIi32<0xA3, RawFrmMemOffs, (outs offset32_64:$dst), (ins),
1296 "mov{q}\t{%rax, $dst|$dst, rax}", [], IIC_MOV_MEM>,
1300 def MOV8o16a : Ii16<0xA2, RawFrmMemOffs, (outs offset16_8:$dst), (ins),
1301 "mov{b}\t{%al, $dst|$dst, al}", [], IIC_MOV_MEM>, AdSize16;
1303 def MOV16o16a : Ii16<0xA3, RawFrmMemOffs, (outs offset16_16:$dst), (ins),
1304 "mov{w}\t{%ax, $dst|$dst, ax}", [], IIC_MOV_MEM>,
1307 def MOV32o16a : Ii16<0xA3, RawFrmMemOffs, (outs offset16_32:$dst), (ins),
1308 "mov{l}\t{%eax, $dst|$dst, eax}", [], IIC_MOV_MEM>,
1313 // These forms all have full 64-bit absolute addresses in their instructions
1314 // and use the movabs mnemonic to indicate this specific form.
1315 let mayLoad = 1 in {
1317 def MOV8ao64 : RIi64_NOREX<0xA0, RawFrmMemOffs, (outs), (ins offset64_8:$src),
1318 "movabs{b}\t{$src, %al|al, $src}", []>, AdSize64;
1320 def MOV16ao64 : RIi64_NOREX<0xA1, RawFrmMemOffs, (outs), (ins offset64_16:$src),
1321 "movabs{w}\t{$src, %ax|ax, $src}", []>, OpSize16, AdSize64;
1323 def MOV32ao64 : RIi64_NOREX<0xA1, RawFrmMemOffs, (outs), (ins offset64_32:$src),
1324 "movabs{l}\t{$src, %eax|eax, $src}", []>, OpSize32,
1327 def MOV64ao64 : RIi64<0xA1, RawFrmMemOffs, (outs), (ins offset64_64:$src),
1328 "movabs{q}\t{$src, %rax|rax, $src}", []>, AdSize64;
1331 let mayStore = 1 in {
1333 def MOV8o64a : RIi64_NOREX<0xA2, RawFrmMemOffs, (outs offset64_8:$dst), (ins),
1334 "movabs{b}\t{%al, $dst|$dst, al}", []>, AdSize64;
1336 def MOV16o64a : RIi64_NOREX<0xA3, RawFrmMemOffs, (outs offset64_16:$dst), (ins),
1337 "movabs{w}\t{%ax, $dst|$dst, ax}", []>, OpSize16, AdSize64;
1339 def MOV32o64a : RIi64_NOREX<0xA3, RawFrmMemOffs, (outs offset64_32:$dst), (ins),
1340 "movabs{l}\t{%eax, $dst|$dst, eax}", []>, OpSize32,
1343 def MOV64o64a : RIi64<0xA3, RawFrmMemOffs, (outs offset64_64:$dst), (ins),
1344 "movabs{q}\t{%rax, $dst|$dst, rax}", []>, AdSize64;
1346 } // hasSideEffects = 0
1348 let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0,
1349 SchedRW = [WriteMove] in {
1350 def MOV8rr_REV : I<0x8A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src),
1351 "mov{b}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1352 def MOV16rr_REV : I<0x8B, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1353 "mov{w}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize16;
1354 def MOV32rr_REV : I<0x8B, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1355 "mov{l}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize32;
1356 def MOV64rr_REV : RI<0x8B, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1357 "mov{q}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1360 let canFoldAsLoad = 1, isReMaterializable = 1, SchedRW = [WriteLoad] in {
1361 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
1362 "mov{b}\t{$src, $dst|$dst, $src}",
1363 [(set GR8:$dst, (loadi8 addr:$src))], IIC_MOV_MEM>;
1364 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1365 "mov{w}\t{$src, $dst|$dst, $src}",
1366 [(set GR16:$dst, (loadi16 addr:$src))], IIC_MOV_MEM>, OpSize16;
1367 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1368 "mov{l}\t{$src, $dst|$dst, $src}",
1369 [(set GR32:$dst, (loadi32 addr:$src))], IIC_MOV_MEM>, OpSize32;
1370 def MOV64rm : RI<0x8B, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1371 "mov{q}\t{$src, $dst|$dst, $src}",
1372 [(set GR64:$dst, (load addr:$src))], IIC_MOV_MEM>;
1375 let SchedRW = [WriteStore] in {
1376 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
1377 "mov{b}\t{$src, $dst|$dst, $src}",
1378 [(store GR8:$src, addr:$dst)], IIC_MOV_MEM>;
1379 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1380 "mov{w}\t{$src, $dst|$dst, $src}",
1381 [(store GR16:$src, addr:$dst)], IIC_MOV_MEM>, OpSize16;
1382 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1383 "mov{l}\t{$src, $dst|$dst, $src}",
1384 [(store GR32:$src, addr:$dst)], IIC_MOV_MEM>, OpSize32;
1385 def MOV64mr : RI<0x89, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
1386 "mov{q}\t{$src, $dst|$dst, $src}",
1387 [(store GR64:$src, addr:$dst)], IIC_MOV_MEM>;
1390 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
1391 // that they can be used for copying and storing h registers, which can't be
1392 // encoded when a REX prefix is present.
1393 let isCodeGenOnly = 1 in {
1394 let hasSideEffects = 0 in
1395 def MOV8rr_NOREX : I<0x88, MRMDestReg,
1396 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
1397 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [], IIC_MOV>,
1399 let mayStore = 1, hasSideEffects = 0 in
1400 def MOV8mr_NOREX : I<0x88, MRMDestMem,
1401 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
1402 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [],
1403 IIC_MOV_MEM>, Sched<[WriteStore]>;
1404 let mayLoad = 1, hasSideEffects = 0,
1405 canFoldAsLoad = 1, isReMaterializable = 1 in
1406 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
1407 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
1408 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [],
1409 IIC_MOV_MEM>, Sched<[WriteLoad]>;
1413 // Condition code ops, incl. set if equal/not equal/...
1414 let SchedRW = [WriteALU] in {
1415 let Defs = [EFLAGS], Uses = [AH] in
1416 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf",
1417 [(set EFLAGS, (X86sahf AH))], IIC_AHF>;
1418 let Defs = [AH], Uses = [EFLAGS], hasSideEffects = 0 in
1419 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", [],
1420 IIC_AHF>; // AH = flags
1423 //===----------------------------------------------------------------------===//
1424 // Bit tests instructions: BT, BTS, BTR, BTC.
1426 let Defs = [EFLAGS] in {
1427 let SchedRW = [WriteALU] in {
1428 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
1429 "bt{w}\t{$src2, $src1|$src1, $src2}",
1430 [(set EFLAGS, (X86bt GR16:$src1, GR16:$src2))], IIC_BT_RR>,
1432 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
1433 "bt{l}\t{$src2, $src1|$src1, $src2}",
1434 [(set EFLAGS, (X86bt GR32:$src1, GR32:$src2))], IIC_BT_RR>,
1436 def BT64rr : RI<0xA3, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
1437 "bt{q}\t{$src2, $src1|$src1, $src2}",
1438 [(set EFLAGS, (X86bt GR64:$src1, GR64:$src2))], IIC_BT_RR>, TB;
1441 // Unlike with the register+register form, the memory+register form of the
1442 // bt instruction does not ignore the high bits of the index. From ISel's
1443 // perspective, this is pretty bizarre. Make these instructions disassembly
1446 let mayLoad = 1, hasSideEffects = 0, SchedRW = [WriteALULd] in {
1447 def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
1448 "bt{w}\t{$src2, $src1|$src1, $src2}",
1449 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
1450 // (implicit EFLAGS)]
1452 >, OpSize16, TB, Requires<[FastBTMem]>;
1453 def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
1454 "bt{l}\t{$src2, $src1|$src1, $src2}",
1455 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
1456 // (implicit EFLAGS)]
1458 >, OpSize32, TB, Requires<[FastBTMem]>;
1459 def BT64mr : RI<0xA3, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
1460 "bt{q}\t{$src2, $src1|$src1, $src2}",
1461 // [(X86bt (loadi64 addr:$src1), GR64:$src2),
1462 // (implicit EFLAGS)]
1467 let SchedRW = [WriteALU] in {
1468 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
1469 "bt{w}\t{$src2, $src1|$src1, $src2}",
1470 [(set EFLAGS, (X86bt GR16:$src1, i16immSExt8:$src2))],
1471 IIC_BT_RI>, OpSize16, TB;
1472 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
1473 "bt{l}\t{$src2, $src1|$src1, $src2}",
1474 [(set EFLAGS, (X86bt GR32:$src1, i32immSExt8:$src2))],
1475 IIC_BT_RI>, OpSize32, TB;
1476 def BT64ri8 : RIi8<0xBA, MRM4r, (outs), (ins GR64:$src1, i64i8imm:$src2),
1477 "bt{q}\t{$src2, $src1|$src1, $src2}",
1478 [(set EFLAGS, (X86bt GR64:$src1, i64immSExt8:$src2))],
1482 // Note that these instructions don't need FastBTMem because that
1483 // only applies when the other operand is in a register. When it's
1484 // an immediate, bt is still fast.
1485 let SchedRW = [WriteALU] in {
1486 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
1487 "bt{w}\t{$src2, $src1|$src1, $src2}",
1488 [(set EFLAGS, (X86bt (loadi16 addr:$src1), i16immSExt8:$src2))
1489 ], IIC_BT_MI>, OpSize16, TB;
1490 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
1491 "bt{l}\t{$src2, $src1|$src1, $src2}",
1492 [(set EFLAGS, (X86bt (loadi32 addr:$src1), i32immSExt8:$src2))
1493 ], IIC_BT_MI>, OpSize32, TB;
1494 def BT64mi8 : RIi8<0xBA, MRM4m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
1495 "bt{q}\t{$src2, $src1|$src1, $src2}",
1496 [(set EFLAGS, (X86bt (loadi64 addr:$src1),
1497 i64immSExt8:$src2))], IIC_BT_MI>, TB;
1500 let hasSideEffects = 0 in {
1501 let SchedRW = [WriteALU] in {
1502 def BTC16rr : I<0xBB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
1503 "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1505 def BTC32rr : I<0xBB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
1506 "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1508 def BTC64rr : RI<0xBB, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
1509 "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>, TB;
1512 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1513 def BTC16mr : I<0xBB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
1514 "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1516 def BTC32mr : I<0xBB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
1517 "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1519 def BTC64mr : RI<0xBB, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
1520 "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, TB;
1523 let SchedRW = [WriteALU] in {
1524 def BTC16ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR16:$src1, i16i8imm:$src2),
1525 "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1527 def BTC32ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR32:$src1, i32i8imm:$src2),
1528 "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1530 def BTC64ri8 : RIi8<0xBA, MRM7r, (outs), (ins GR64:$src1, i64i8imm:$src2),
1531 "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, TB;
1534 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1535 def BTC16mi8 : Ii8<0xBA, MRM7m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
1536 "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1538 def BTC32mi8 : Ii8<0xBA, MRM7m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
1539 "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1541 def BTC64mi8 : RIi8<0xBA, MRM7m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
1542 "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, TB;
1545 let SchedRW = [WriteALU] in {
1546 def BTR16rr : I<0xB3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
1547 "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1549 def BTR32rr : I<0xB3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
1550 "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1552 def BTR64rr : RI<0xB3, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
1553 "btr{q}\t{$src2, $src1|$src1, $src2}", []>, TB;
1556 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1557 def BTR16mr : I<0xB3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
1558 "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1560 def BTR32mr : I<0xB3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
1561 "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1563 def BTR64mr : RI<0xB3, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
1564 "btr{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, TB;
1567 let SchedRW = [WriteALU] in {
1568 def BTR16ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR16:$src1, i16i8imm:$src2),
1569 "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1571 def BTR32ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR32:$src1, i32i8imm:$src2),
1572 "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1574 def BTR64ri8 : RIi8<0xBA, MRM6r, (outs), (ins GR64:$src1, i64i8imm:$src2),
1575 "btr{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, TB;
1578 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1579 def BTR16mi8 : Ii8<0xBA, MRM6m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
1580 "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1582 def BTR32mi8 : Ii8<0xBA, MRM6m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
1583 "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1585 def BTR64mi8 : RIi8<0xBA, MRM6m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
1586 "btr{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, TB;
1589 let SchedRW = [WriteALU] in {
1590 def BTS16rr : I<0xAB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
1591 "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1593 def BTS32rr : I<0xAB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
1594 "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1596 def BTS64rr : RI<0xAB, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
1597 "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>, TB;
1600 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1601 def BTS16mr : I<0xAB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
1602 "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1604 def BTS32mr : I<0xAB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
1605 "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1607 def BTS64mr : RI<0xAB, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
1608 "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, TB;
1611 let SchedRW = [WriteALU] in {
1612 def BTS16ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR16:$src1, i16i8imm:$src2),
1613 "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1615 def BTS32ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR32:$src1, i32i8imm:$src2),
1616 "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1618 def BTS64ri8 : RIi8<0xBA, MRM5r, (outs), (ins GR64:$src1, i64i8imm:$src2),
1619 "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, TB;
1622 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1623 def BTS16mi8 : Ii8<0xBA, MRM5m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
1624 "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1626 def BTS32mi8 : Ii8<0xBA, MRM5m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
1627 "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1629 def BTS64mi8 : RIi8<0xBA, MRM5m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
1630 "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, TB;
1632 } // hasSideEffects = 0
1633 } // Defs = [EFLAGS]
1636 //===----------------------------------------------------------------------===//
1640 // Atomic swap. These are just normal xchg instructions. But since a memory
1641 // operand is referenced, the atomicity is ensured.
1642 multiclass ATOMIC_SWAP<bits<8> opc8, bits<8> opc, string mnemonic, string frag,
1643 InstrItinClass itin> {
1644 let Constraints = "$val = $dst", SchedRW = [WriteALULd, WriteRMW] in {
1645 def NAME#8rm : I<opc8, MRMSrcMem, (outs GR8:$dst),
1646 (ins GR8:$val, i8mem:$ptr),
1647 !strconcat(mnemonic, "{b}\t{$val, $ptr|$ptr, $val}"),
1650 (!cast<PatFrag>(frag # "_8") addr:$ptr, GR8:$val))],
1652 def NAME#16rm : I<opc, MRMSrcMem, (outs GR16:$dst),
1653 (ins GR16:$val, i16mem:$ptr),
1654 !strconcat(mnemonic, "{w}\t{$val, $ptr|$ptr, $val}"),
1657 (!cast<PatFrag>(frag # "_16") addr:$ptr, GR16:$val))],
1659 def NAME#32rm : I<opc, MRMSrcMem, (outs GR32:$dst),
1660 (ins GR32:$val, i32mem:$ptr),
1661 !strconcat(mnemonic, "{l}\t{$val, $ptr|$ptr, $val}"),
1664 (!cast<PatFrag>(frag # "_32") addr:$ptr, GR32:$val))],
1666 def NAME#64rm : RI<opc, MRMSrcMem, (outs GR64:$dst),
1667 (ins GR64:$val, i64mem:$ptr),
1668 !strconcat(mnemonic, "{q}\t{$val, $ptr|$ptr, $val}"),
1671 (!cast<PatFrag>(frag # "_64") addr:$ptr, GR64:$val))],
1676 defm XCHG : ATOMIC_SWAP<0x86, 0x87, "xchg", "atomic_swap", IIC_XCHG_MEM>;
1678 // Swap between registers.
1679 let SchedRW = [WriteALU] in {
1680 let Constraints = "$val = $dst" in {
1681 def XCHG8rr : I<0x86, MRMSrcReg, (outs GR8:$dst), (ins GR8:$val, GR8:$src),
1682 "xchg{b}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>;
1683 def XCHG16rr : I<0x87, MRMSrcReg, (outs GR16:$dst), (ins GR16:$val, GR16:$src),
1684 "xchg{w}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>,
1686 def XCHG32rr : I<0x87, MRMSrcReg, (outs GR32:$dst), (ins GR32:$val, GR32:$src),
1687 "xchg{l}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>,
1689 def XCHG64rr : RI<0x87, MRMSrcReg, (outs GR64:$dst), (ins GR64:$val,GR64:$src),
1690 "xchg{q}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>;
1693 // Swap between EAX and other registers.
1694 let Uses = [AX], Defs = [AX] in
1695 def XCHG16ar : I<0x90, AddRegFrm, (outs), (ins GR16:$src),
1696 "xchg{w}\t{$src, %ax|ax, $src}", [], IIC_XCHG_REG>, OpSize16;
1697 let Uses = [EAX], Defs = [EAX] in
1698 def XCHG32ar : I<0x90, AddRegFrm, (outs), (ins GR32:$src),
1699 "xchg{l}\t{$src, %eax|eax, $src}", [], IIC_XCHG_REG>,
1700 OpSize32, Requires<[Not64BitMode]>;
1701 let Uses = [EAX], Defs = [EAX] in
1702 // Uses GR32_NOAX in 64-bit mode to prevent encoding using the 0x90 NOP encoding.
1703 // xchg %eax, %eax needs to clear upper 32-bits of RAX so is not a NOP.
1704 def XCHG32ar64 : I<0x90, AddRegFrm, (outs), (ins GR32_NOAX:$src),
1705 "xchg{l}\t{$src, %eax|eax, $src}", [], IIC_XCHG_REG>,
1706 OpSize32, Requires<[In64BitMode]>;
1707 let Uses = [RAX], Defs = [RAX] in
1708 def XCHG64ar : RI<0x90, AddRegFrm, (outs), (ins GR64:$src),
1709 "xchg{q}\t{$src, %rax|rax, $src}", [], IIC_XCHG_REG>;
1712 let SchedRW = [WriteALU] in {
1713 def XADD8rr : I<0xC0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
1714 "xadd{b}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB;
1715 def XADD16rr : I<0xC1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1716 "xadd{w}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB,
1718 def XADD32rr : I<0xC1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
1719 "xadd{l}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB,
1721 def XADD64rr : RI<0xC1, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
1722 "xadd{q}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB;
1725 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1726 def XADD8rm : I<0xC0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1727 "xadd{b}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB;
1728 def XADD16rm : I<0xC1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1729 "xadd{w}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB,
1731 def XADD32rm : I<0xC1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1732 "xadd{l}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB,
1734 def XADD64rm : RI<0xC1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
1735 "xadd{q}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB;
1739 let SchedRW = [WriteALU] in {
1740 def CMPXCHG8rr : I<0xB0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
1741 "cmpxchg{b}\t{$src, $dst|$dst, $src}", [],
1742 IIC_CMPXCHG_REG8>, TB;
1743 def CMPXCHG16rr : I<0xB1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1744 "cmpxchg{w}\t{$src, $dst|$dst, $src}", [],
1745 IIC_CMPXCHG_REG>, TB, OpSize16;
1746 def CMPXCHG32rr : I<0xB1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
1747 "cmpxchg{l}\t{$src, $dst|$dst, $src}", [],
1748 IIC_CMPXCHG_REG>, TB, OpSize32;
1749 def CMPXCHG64rr : RI<0xB1, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
1750 "cmpxchg{q}\t{$src, $dst|$dst, $src}", [],
1751 IIC_CMPXCHG_REG>, TB;
1754 let SchedRW = [WriteALULd, WriteRMW] in {
1755 let mayLoad = 1, mayStore = 1 in {
1756 def CMPXCHG8rm : I<0xB0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1757 "cmpxchg{b}\t{$src, $dst|$dst, $src}", [],
1758 IIC_CMPXCHG_MEM8>, TB;
1759 def CMPXCHG16rm : I<0xB1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1760 "cmpxchg{w}\t{$src, $dst|$dst, $src}", [],
1761 IIC_CMPXCHG_MEM>, TB, OpSize16;
1762 def CMPXCHG32rm : I<0xB1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1763 "cmpxchg{l}\t{$src, $dst|$dst, $src}", [],
1764 IIC_CMPXCHG_MEM>, TB, OpSize32;
1765 def CMPXCHG64rm : RI<0xB1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
1766 "cmpxchg{q}\t{$src, $dst|$dst, $src}", [],
1767 IIC_CMPXCHG_MEM>, TB;
1770 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in
1771 def CMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$dst),
1772 "cmpxchg8b\t$dst", [], IIC_CMPXCHG_8B>, TB;
1774 let Defs = [RAX, RDX, EFLAGS], Uses = [RAX, RBX, RCX, RDX] in
1775 def CMPXCHG16B : RI<0xC7, MRM1m, (outs), (ins i128mem:$dst),
1776 "cmpxchg16b\t$dst", [], IIC_CMPXCHG_16B>,
1777 TB, Requires<[HasCmpxchg16b]>;
1781 // Lock instruction prefix
1782 def LOCK_PREFIX : I<0xF0, RawFrm, (outs), (ins), "lock", []>;
1784 // Rex64 instruction prefix
1785 def REX64_PREFIX : I<0x48, RawFrm, (outs), (ins), "rex64", []>,
1786 Requires<[In64BitMode]>;
1788 // Data16 instruction prefix
1789 def DATA16_PREFIX : I<0x66, RawFrm, (outs), (ins), "data16", []>;
1791 // Repeat string operation instruction prefixes
1792 // These uses the DF flag in the EFLAGS register to inc or dec ECX
1793 let Defs = [ECX], Uses = [ECX,EFLAGS] in {
1794 // Repeat (used with INS, OUTS, MOVS, LODS and STOS)
1795 def REP_PREFIX : I<0xF3, RawFrm, (outs), (ins), "rep", []>;
1796 // Repeat while not equal (used with CMPS and SCAS)
1797 def REPNE_PREFIX : I<0xF2, RawFrm, (outs), (ins), "repne", []>;
1801 // String manipulation instructions
1802 let SchedRW = [WriteMicrocoded] in {
1803 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1804 let Defs = [AL,ESI], Uses = [ESI,EFLAGS] in
1805 def LODSB : I<0xAC, RawFrmSrc, (outs), (ins srcidx8:$src),
1806 "lodsb\t{$src, %al|al, $src}", [], IIC_LODS>;
1807 let Defs = [AX,ESI], Uses = [ESI,EFLAGS] in
1808 def LODSW : I<0xAD, RawFrmSrc, (outs), (ins srcidx16:$src),
1809 "lodsw\t{$src, %ax|ax, $src}", [], IIC_LODS>, OpSize16;
1810 let Defs = [EAX,ESI], Uses = [ESI,EFLAGS] in
1811 def LODSL : I<0xAD, RawFrmSrc, (outs), (ins srcidx32:$src),
1812 "lods{l|d}\t{$src, %eax|eax, $src}", [], IIC_LODS>, OpSize32;
1813 let Defs = [RAX,ESI], Uses = [ESI,EFLAGS] in
1814 def LODSQ : RI<0xAD, RawFrmSrc, (outs), (ins srcidx64:$src),
1815 "lodsq\t{$src, %rax|rax, $src}", [], IIC_LODS>;
1818 let SchedRW = [WriteSystem] in {
1819 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1820 let Defs = [ESI], Uses = [DX,ESI,EFLAGS] in {
1821 def OUTSB : I<0x6E, RawFrmSrc, (outs), (ins srcidx8:$src),
1822 "outsb\t{$src, %dx|dx, $src}", [], IIC_OUTS>;
1823 def OUTSW : I<0x6F, RawFrmSrc, (outs), (ins srcidx16:$src),
1824 "outsw\t{$src, %dx|dx, $src}", [], IIC_OUTS>, OpSize16;
1825 def OUTSL : I<0x6F, RawFrmSrc, (outs), (ins srcidx32:$src),
1826 "outs{l|d}\t{$src, %dx|dx, $src}", [], IIC_OUTS>, OpSize32;
1829 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1830 let Defs = [EDI], Uses = [DX,EDI,EFLAGS] in {
1831 def INSB : I<0x6C, RawFrmDst, (outs dstidx8:$dst), (ins),
1832 "insb\t{%dx, $dst|$dst, dx}", [], IIC_INS>;
1833 def INSW : I<0x6D, RawFrmDst, (outs dstidx16:$dst), (ins),
1834 "insw\t{%dx, $dst|$dst, dx}", [], IIC_INS>, OpSize16;
1835 def INSL : I<0x6D, RawFrmDst, (outs dstidx32:$dst), (ins),
1836 "ins{l|d}\t{%dx, $dst|$dst, dx}", [], IIC_INS>, OpSize32;
1840 // Flag instructions
1841 let SchedRW = [WriteALU] in {
1842 def CLC : I<0xF8, RawFrm, (outs), (ins), "clc", [], IIC_CLC>;
1843 def STC : I<0xF9, RawFrm, (outs), (ins), "stc", [], IIC_STC>;
1844 def CLI : I<0xFA, RawFrm, (outs), (ins), "cli", [], IIC_CLI>;
1845 def STI : I<0xFB, RawFrm, (outs), (ins), "sti", [], IIC_STI>;
1846 def CLD : I<0xFC, RawFrm, (outs), (ins), "cld", [], IIC_CLD>;
1847 def STD : I<0xFD, RawFrm, (outs), (ins), "std", [], IIC_STD>;
1848 def CMC : I<0xF5, RawFrm, (outs), (ins), "cmc", [], IIC_CMC>;
1850 def CLTS : I<0x06, RawFrm, (outs), (ins), "clts", [], IIC_CLTS>, TB;
1853 // Table lookup instructions
1854 def XLAT : I<0xD7, RawFrm, (outs), (ins), "xlatb", [], IIC_XLAT>,
1857 let SchedRW = [WriteMicrocoded] in {
1858 // ASCII Adjust After Addition
1859 // sets AL, AH and CF and AF of EFLAGS and uses AL and AF of EFLAGS
1860 def AAA : I<0x37, RawFrm, (outs), (ins), "aaa", [], IIC_AAA>,
1861 Requires<[Not64BitMode]>;
1863 // ASCII Adjust AX Before Division
1864 // sets AL, AH and EFLAGS and uses AL and AH
1865 def AAD8i8 : Ii8<0xD5, RawFrm, (outs), (ins i8imm:$src),
1866 "aad\t$src", [], IIC_AAD>, Requires<[Not64BitMode]>;
1868 // ASCII Adjust AX After Multiply
1869 // sets AL, AH and EFLAGS and uses AL
1870 def AAM8i8 : Ii8<0xD4, RawFrm, (outs), (ins i8imm:$src),
1871 "aam\t$src", [], IIC_AAM>, Requires<[Not64BitMode]>;
1873 // ASCII Adjust AL After Subtraction - sets
1874 // sets AL, AH and CF and AF of EFLAGS and uses AL and AF of EFLAGS
1875 def AAS : I<0x3F, RawFrm, (outs), (ins), "aas", [], IIC_AAS>,
1876 Requires<[Not64BitMode]>;
1878 // Decimal Adjust AL after Addition
1879 // sets AL, CF and AF of EFLAGS and uses AL, CF and AF of EFLAGS
1880 def DAA : I<0x27, RawFrm, (outs), (ins), "daa", [], IIC_DAA>,
1881 Requires<[Not64BitMode]>;
1883 // Decimal Adjust AL after Subtraction
1884 // sets AL, CF and AF of EFLAGS and uses AL, CF and AF of EFLAGS
1885 def DAS : I<0x2F, RawFrm, (outs), (ins), "das", [], IIC_DAS>,
1886 Requires<[Not64BitMode]>;
1889 let SchedRW = [WriteSystem] in {
1890 // Check Array Index Against Bounds
1891 def BOUNDS16rm : I<0x62, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1892 "bound\t{$src, $dst|$dst, $src}", [], IIC_BOUND>, OpSize16,
1893 Requires<[Not64BitMode]>;
1894 def BOUNDS32rm : I<0x62, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1895 "bound\t{$src, $dst|$dst, $src}", [], IIC_BOUND>, OpSize32,
1896 Requires<[Not64BitMode]>;
1898 // Adjust RPL Field of Segment Selector
1899 def ARPL16rr : I<0x63, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1900 "arpl\t{$src, $dst|$dst, $src}", [], IIC_ARPL_REG>,
1901 Requires<[Not64BitMode]>;
1902 def ARPL16mr : I<0x63, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1903 "arpl\t{$src, $dst|$dst, $src}", [], IIC_ARPL_MEM>,
1904 Requires<[Not64BitMode]>;
1907 //===----------------------------------------------------------------------===//
1908 // MOVBE Instructions
1910 let Predicates = [HasMOVBE] in {
1911 let SchedRW = [WriteALULd] in {
1912 def MOVBE16rm : I<0xF0, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1913 "movbe{w}\t{$src, $dst|$dst, $src}",
1914 [(set GR16:$dst, (bswap (loadi16 addr:$src)))], IIC_MOVBE>,
1916 def MOVBE32rm : I<0xF0, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1917 "movbe{l}\t{$src, $dst|$dst, $src}",
1918 [(set GR32:$dst, (bswap (loadi32 addr:$src)))], IIC_MOVBE>,
1920 def MOVBE64rm : RI<0xF0, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1921 "movbe{q}\t{$src, $dst|$dst, $src}",
1922 [(set GR64:$dst, (bswap (loadi64 addr:$src)))], IIC_MOVBE>,
1925 let SchedRW = [WriteStore] in {
1926 def MOVBE16mr : I<0xF1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1927 "movbe{w}\t{$src, $dst|$dst, $src}",
1928 [(store (bswap GR16:$src), addr:$dst)], IIC_MOVBE>,
1930 def MOVBE32mr : I<0xF1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1931 "movbe{l}\t{$src, $dst|$dst, $src}",
1932 [(store (bswap GR32:$src), addr:$dst)], IIC_MOVBE>,
1934 def MOVBE64mr : RI<0xF1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
1935 "movbe{q}\t{$src, $dst|$dst, $src}",
1936 [(store (bswap GR64:$src), addr:$dst)], IIC_MOVBE>,
1941 //===----------------------------------------------------------------------===//
1942 // RDRAND Instruction
1944 let Predicates = [HasRDRAND], Defs = [EFLAGS] in {
1945 def RDRAND16r : I<0xC7, MRM6r, (outs GR16:$dst), (ins),
1947 [(set GR16:$dst, EFLAGS, (X86rdrand))]>, OpSize16, TB;
1948 def RDRAND32r : I<0xC7, MRM6r, (outs GR32:$dst), (ins),
1950 [(set GR32:$dst, EFLAGS, (X86rdrand))]>, OpSize32, TB;
1951 def RDRAND64r : RI<0xC7, MRM6r, (outs GR64:$dst), (ins),
1953 [(set GR64:$dst, EFLAGS, (X86rdrand))]>, TB;
1956 //===----------------------------------------------------------------------===//
1957 // RDSEED Instruction
1959 let Predicates = [HasRDSEED], Defs = [EFLAGS] in {
1960 def RDSEED16r : I<0xC7, MRM7r, (outs GR16:$dst), (ins),
1962 [(set GR16:$dst, EFLAGS, (X86rdseed))]>, OpSize16, TB;
1963 def RDSEED32r : I<0xC7, MRM7r, (outs GR32:$dst), (ins),
1965 [(set GR32:$dst, EFLAGS, (X86rdseed))]>, OpSize32, TB;
1966 def RDSEED64r : RI<0xC7, MRM7r, (outs GR64:$dst), (ins),
1968 [(set GR64:$dst, EFLAGS, (X86rdseed))]>, TB;
1971 //===----------------------------------------------------------------------===//
1972 // LZCNT Instruction
1974 let Predicates = [HasLZCNT], Defs = [EFLAGS] in {
1975 def LZCNT16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1976 "lzcnt{w}\t{$src, $dst|$dst, $src}",
1977 [(set GR16:$dst, (ctlz GR16:$src)), (implicit EFLAGS)]>, XS,
1979 def LZCNT16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1980 "lzcnt{w}\t{$src, $dst|$dst, $src}",
1981 [(set GR16:$dst, (ctlz (loadi16 addr:$src))),
1982 (implicit EFLAGS)]>, XS, OpSize16;
1984 def LZCNT32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1985 "lzcnt{l}\t{$src, $dst|$dst, $src}",
1986 [(set GR32:$dst, (ctlz GR32:$src)), (implicit EFLAGS)]>, XS,
1988 def LZCNT32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1989 "lzcnt{l}\t{$src, $dst|$dst, $src}",
1990 [(set GR32:$dst, (ctlz (loadi32 addr:$src))),
1991 (implicit EFLAGS)]>, XS, OpSize32;
1993 def LZCNT64rr : RI<0xBD, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1994 "lzcnt{q}\t{$src, $dst|$dst, $src}",
1995 [(set GR64:$dst, (ctlz GR64:$src)), (implicit EFLAGS)]>,
1997 def LZCNT64rm : RI<0xBD, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1998 "lzcnt{q}\t{$src, $dst|$dst, $src}",
1999 [(set GR64:$dst, (ctlz (loadi64 addr:$src))),
2000 (implicit EFLAGS)]>, XS;
2003 let Predicates = [HasLZCNT] in {
2004 def : Pat<(X86cmov (ctlz GR16:$src), (i16 16), (X86_COND_E_OR_NE),
2005 (X86cmp GR16:$src, (i16 0))),
2006 (LZCNT16rr GR16:$src)>;
2007 def : Pat<(X86cmov (ctlz GR32:$src), (i32 32), (X86_COND_E_OR_NE),
2008 (X86cmp GR32:$src, (i32 0))),
2009 (LZCNT32rr GR32:$src)>;
2010 def : Pat<(X86cmov (ctlz GR64:$src), (i64 64), (X86_COND_E_OR_NE),
2011 (X86cmp GR64:$src, (i64 0))),
2012 (LZCNT64rr GR64:$src)>;
2013 def : Pat<(X86cmov (i16 16), (ctlz GR16:$src), (X86_COND_E_OR_NE),
2014 (X86cmp GR16:$src, (i16 0))),
2015 (LZCNT16rr GR16:$src)>;
2016 def : Pat<(X86cmov (i32 32), (ctlz GR32:$src), (X86_COND_E_OR_NE),
2017 (X86cmp GR32:$src, (i32 0))),
2018 (LZCNT32rr GR32:$src)>;
2019 def : Pat<(X86cmov (i64 64), (ctlz GR64:$src), (X86_COND_E_OR_NE),
2020 (X86cmp GR64:$src, (i64 0))),
2021 (LZCNT64rr GR64:$src)>;
2023 def : Pat<(X86cmov (ctlz (loadi16 addr:$src)), (i16 16), (X86_COND_E_OR_NE),
2024 (X86cmp (loadi16 addr:$src), (i16 0))),
2025 (LZCNT16rm addr:$src)>;
2026 def : Pat<(X86cmov (ctlz (loadi32 addr:$src)), (i32 32), (X86_COND_E_OR_NE),
2027 (X86cmp (loadi32 addr:$src), (i32 0))),
2028 (LZCNT32rm addr:$src)>;
2029 def : Pat<(X86cmov (ctlz (loadi64 addr:$src)), (i64 64), (X86_COND_E_OR_NE),
2030 (X86cmp (loadi64 addr:$src), (i64 0))),
2031 (LZCNT64rm addr:$src)>;
2032 def : Pat<(X86cmov (i16 16), (ctlz (loadi16 addr:$src)), (X86_COND_E_OR_NE),
2033 (X86cmp (loadi16 addr:$src), (i16 0))),
2034 (LZCNT16rm addr:$src)>;
2035 def : Pat<(X86cmov (i32 32), (ctlz (loadi32 addr:$src)), (X86_COND_E_OR_NE),
2036 (X86cmp (loadi32 addr:$src), (i32 0))),
2037 (LZCNT32rm addr:$src)>;
2038 def : Pat<(X86cmov (i64 64), (ctlz (loadi64 addr:$src)), (X86_COND_E_OR_NE),
2039 (X86cmp (loadi64 addr:$src), (i64 0))),
2040 (LZCNT64rm addr:$src)>;
2043 //===----------------------------------------------------------------------===//
2046 let Predicates = [HasBMI], Defs = [EFLAGS] in {
2047 def TZCNT16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
2048 "tzcnt{w}\t{$src, $dst|$dst, $src}",
2049 [(set GR16:$dst, (cttz GR16:$src)), (implicit EFLAGS)]>, XS,
2051 def TZCNT16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
2052 "tzcnt{w}\t{$src, $dst|$dst, $src}",
2053 [(set GR16:$dst, (cttz (loadi16 addr:$src))),
2054 (implicit EFLAGS)]>, XS, OpSize16;
2056 def TZCNT32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
2057 "tzcnt{l}\t{$src, $dst|$dst, $src}",
2058 [(set GR32:$dst, (cttz GR32:$src)), (implicit EFLAGS)]>, XS,
2060 def TZCNT32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
2061 "tzcnt{l}\t{$src, $dst|$dst, $src}",
2062 [(set GR32:$dst, (cttz (loadi32 addr:$src))),
2063 (implicit EFLAGS)]>, XS, OpSize32;
2065 def TZCNT64rr : RI<0xBC, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
2066 "tzcnt{q}\t{$src, $dst|$dst, $src}",
2067 [(set GR64:$dst, (cttz GR64:$src)), (implicit EFLAGS)]>,
2069 def TZCNT64rm : RI<0xBC, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
2070 "tzcnt{q}\t{$src, $dst|$dst, $src}",
2071 [(set GR64:$dst, (cttz (loadi64 addr:$src))),
2072 (implicit EFLAGS)]>, XS;
2075 multiclass bmi_bls<string mnemonic, Format RegMRM, Format MemMRM,
2076 RegisterClass RC, X86MemOperand x86memop> {
2077 let hasSideEffects = 0 in {
2078 def rr : I<0xF3, RegMRM, (outs RC:$dst), (ins RC:$src),
2079 !strconcat(mnemonic, "\t{$src, $dst|$dst, $src}"),
2082 def rm : I<0xF3, MemMRM, (outs RC:$dst), (ins x86memop:$src),
2083 !strconcat(mnemonic, "\t{$src, $dst|$dst, $src}"),
2088 let Predicates = [HasBMI], Defs = [EFLAGS] in {
2089 defm BLSR32 : bmi_bls<"blsr{l}", MRM1r, MRM1m, GR32, i32mem>;
2090 defm BLSR64 : bmi_bls<"blsr{q}", MRM1r, MRM1m, GR64, i64mem>, VEX_W;
2091 defm BLSMSK32 : bmi_bls<"blsmsk{l}", MRM2r, MRM2m, GR32, i32mem>;
2092 defm BLSMSK64 : bmi_bls<"blsmsk{q}", MRM2r, MRM2m, GR64, i64mem>, VEX_W;
2093 defm BLSI32 : bmi_bls<"blsi{l}", MRM3r, MRM3m, GR32, i32mem>;
2094 defm BLSI64 : bmi_bls<"blsi{q}", MRM3r, MRM3m, GR64, i64mem>, VEX_W;
2097 //===----------------------------------------------------------------------===//
2098 // Pattern fragments to auto generate BMI instructions.
2099 //===----------------------------------------------------------------------===//
2101 let Predicates = [HasBMI] in {
2102 // FIXME: patterns for the load versions are not implemented
2103 def : Pat<(and GR32:$src, (add GR32:$src, -1)),
2104 (BLSR32rr GR32:$src)>;
2105 def : Pat<(and GR64:$src, (add GR64:$src, -1)),
2106 (BLSR64rr GR64:$src)>;
2108 def : Pat<(xor GR32:$src, (add GR32:$src, -1)),
2109 (BLSMSK32rr GR32:$src)>;
2110 def : Pat<(xor GR64:$src, (add GR64:$src, -1)),
2111 (BLSMSK64rr GR64:$src)>;
2113 def : Pat<(and GR32:$src, (ineg GR32:$src)),
2114 (BLSI32rr GR32:$src)>;
2115 def : Pat<(and GR64:$src, (ineg GR64:$src)),
2116 (BLSI64rr GR64:$src)>;
2119 let Predicates = [HasBMI] in {
2120 def : Pat<(X86cmov (cttz GR16:$src), (i16 16), (X86_COND_E_OR_NE),
2121 (X86cmp GR16:$src, (i16 0))),
2122 (TZCNT16rr GR16:$src)>;
2123 def : Pat<(X86cmov (cttz GR32:$src), (i32 32), (X86_COND_E_OR_NE),
2124 (X86cmp GR32:$src, (i32 0))),
2125 (TZCNT32rr GR32:$src)>;
2126 def : Pat<(X86cmov (cttz GR64:$src), (i64 64), (X86_COND_E_OR_NE),
2127 (X86cmp GR64:$src, (i64 0))),
2128 (TZCNT64rr GR64:$src)>;
2129 def : Pat<(X86cmov (i16 16), (cttz GR16:$src), (X86_COND_E_OR_NE),
2130 (X86cmp GR16:$src, (i16 0))),
2131 (TZCNT16rr GR16:$src)>;
2132 def : Pat<(X86cmov (i32 32), (cttz GR32:$src), (X86_COND_E_OR_NE),
2133 (X86cmp GR32:$src, (i32 0))),
2134 (TZCNT32rr GR32:$src)>;
2135 def : Pat<(X86cmov (i64 64), (cttz GR64:$src), (X86_COND_E_OR_NE),
2136 (X86cmp GR64:$src, (i64 0))),
2137 (TZCNT64rr GR64:$src)>;
2139 def : Pat<(X86cmov (cttz (loadi16 addr:$src)), (i16 16), (X86_COND_E_OR_NE),
2140 (X86cmp (loadi16 addr:$src), (i16 0))),
2141 (TZCNT16rm addr:$src)>;
2142 def : Pat<(X86cmov (cttz (loadi32 addr:$src)), (i32 32), (X86_COND_E_OR_NE),
2143 (X86cmp (loadi32 addr:$src), (i32 0))),
2144 (TZCNT32rm addr:$src)>;
2145 def : Pat<(X86cmov (cttz (loadi64 addr:$src)), (i64 64), (X86_COND_E_OR_NE),
2146 (X86cmp (loadi64 addr:$src), (i64 0))),
2147 (TZCNT64rm addr:$src)>;
2148 def : Pat<(X86cmov (i16 16), (cttz (loadi16 addr:$src)), (X86_COND_E_OR_NE),
2149 (X86cmp (loadi16 addr:$src), (i16 0))),
2150 (TZCNT16rm addr:$src)>;
2151 def : Pat<(X86cmov (i32 32), (cttz (loadi32 addr:$src)), (X86_COND_E_OR_NE),
2152 (X86cmp (loadi32 addr:$src), (i32 0))),
2153 (TZCNT32rm addr:$src)>;
2154 def : Pat<(X86cmov (i64 64), (cttz (loadi64 addr:$src)), (X86_COND_E_OR_NE),
2155 (X86cmp (loadi64 addr:$src), (i64 0))),
2156 (TZCNT64rm addr:$src)>;
2160 multiclass bmi_bextr_bzhi<bits<8> opc, string mnemonic, RegisterClass RC,
2161 X86MemOperand x86memop, Intrinsic Int,
2163 def rr : I<opc, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, RC:$src2),
2164 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
2165 [(set RC:$dst, (Int RC:$src1, RC:$src2)), (implicit EFLAGS)]>,
2167 def rm : I<opc, MRMSrcMem, (outs RC:$dst), (ins x86memop:$src1, RC:$src2),
2168 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
2169 [(set RC:$dst, (Int (ld_frag addr:$src1), RC:$src2)),
2170 (implicit EFLAGS)]>, T8PS, VEX_4VOp3;
2173 let Predicates = [HasBMI], Defs = [EFLAGS] in {
2174 defm BEXTR32 : bmi_bextr_bzhi<0xF7, "bextr{l}", GR32, i32mem,
2175 int_x86_bmi_bextr_32, loadi32>;
2176 defm BEXTR64 : bmi_bextr_bzhi<0xF7, "bextr{q}", GR64, i64mem,
2177 int_x86_bmi_bextr_64, loadi64>, VEX_W;
2180 let Predicates = [HasBMI2], Defs = [EFLAGS] in {
2181 defm BZHI32 : bmi_bextr_bzhi<0xF5, "bzhi{l}", GR32, i32mem,
2182 int_x86_bmi_bzhi_32, loadi32>;
2183 defm BZHI64 : bmi_bextr_bzhi<0xF5, "bzhi{q}", GR64, i64mem,
2184 int_x86_bmi_bzhi_64, loadi64>, VEX_W;
2188 def CountTrailingOnes : SDNodeXForm<imm, [{
2189 // Count the trailing ones in the immediate.
2190 return getI8Imm(CountTrailingOnes_64(N->getZExtValue()));
2193 def BZHIMask : ImmLeaf<i64, [{
2194 return isMask_64(Imm) && (CountTrailingOnes_64(Imm) > 32);
2197 let Predicates = [HasBMI2] in {
2198 def : Pat<(and GR64:$src, BZHIMask:$mask),
2199 (BZHI64rr GR64:$src,
2200 (INSERT_SUBREG (i64 (IMPLICIT_DEF)),
2201 (MOV8ri (CountTrailingOnes imm:$mask)), sub_8bit))>;
2203 def : Pat<(and GR32:$src, (add (shl 1, GR8:$lz), -1)),
2204 (BZHI32rr GR32:$src,
2205 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR8:$lz, sub_8bit))>;
2207 def : Pat<(and (loadi32 addr:$src), (add (shl 1, GR8:$lz), -1)),
2208 (BZHI32rm addr:$src,
2209 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR8:$lz, sub_8bit))>;
2211 def : Pat<(and GR64:$src, (add (shl 1, GR8:$lz), -1)),
2212 (BZHI64rr GR64:$src,
2213 (INSERT_SUBREG (i64 (IMPLICIT_DEF)), GR8:$lz, sub_8bit))>;
2215 def : Pat<(and (loadi64 addr:$src), (add (shl 1, GR8:$lz), -1)),
2216 (BZHI64rm addr:$src,
2217 (INSERT_SUBREG (i64 (IMPLICIT_DEF)), GR8:$lz, sub_8bit))>;
2220 let Predicates = [HasBMI] in {
2221 def : Pat<(X86bextr GR32:$src1, GR32:$src2),
2222 (BEXTR32rr GR32:$src1, GR32:$src2)>;
2223 def : Pat<(X86bextr (loadi32 addr:$src1), GR32:$src2),
2224 (BEXTR32rm addr:$src1, GR32:$src2)>;
2225 def : Pat<(X86bextr GR64:$src1, GR64:$src2),
2226 (BEXTR64rr GR64:$src1, GR64:$src2)>;
2227 def : Pat<(X86bextr (loadi64 addr:$src1), GR64:$src2),
2228 (BEXTR64rm addr:$src1, GR64:$src2)>;
2231 multiclass bmi_pdep_pext<string mnemonic, RegisterClass RC,
2232 X86MemOperand x86memop, Intrinsic Int,
2234 def rr : I<0xF5, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, RC:$src2),
2235 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
2236 [(set RC:$dst, (Int RC:$src1, RC:$src2))]>,
2238 def rm : I<0xF5, MRMSrcMem, (outs RC:$dst), (ins RC:$src1, x86memop:$src2),
2239 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
2240 [(set RC:$dst, (Int RC:$src1, (ld_frag addr:$src2)))]>, VEX_4V;
2243 let Predicates = [HasBMI2] in {
2244 defm PDEP32 : bmi_pdep_pext<"pdep{l}", GR32, i32mem,
2245 int_x86_bmi_pdep_32, loadi32>, T8XD;
2246 defm PDEP64 : bmi_pdep_pext<"pdep{q}", GR64, i64mem,
2247 int_x86_bmi_pdep_64, loadi64>, T8XD, VEX_W;
2248 defm PEXT32 : bmi_pdep_pext<"pext{l}", GR32, i32mem,
2249 int_x86_bmi_pext_32, loadi32>, T8XS;
2250 defm PEXT64 : bmi_pdep_pext<"pext{q}", GR64, i64mem,
2251 int_x86_bmi_pext_64, loadi64>, T8XS, VEX_W;
2254 //===----------------------------------------------------------------------===//
2257 let Predicates = [HasTBM], Defs = [EFLAGS] in {
2259 multiclass tbm_ternary_imm_intr<bits<8> opc, RegisterClass RC, string OpcodeStr,
2260 X86MemOperand x86memop, PatFrag ld_frag,
2261 Intrinsic Int, Operand immtype,
2262 SDPatternOperator immoperator> {
2263 def ri : Ii32<opc, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, immtype:$cntl),
2264 !strconcat(OpcodeStr,
2265 "\t{$cntl, $src1, $dst|$dst, $src1, $cntl}"),
2266 [(set RC:$dst, (Int RC:$src1, immoperator:$cntl))]>,
2268 def mi : Ii32<opc, MRMSrcMem, (outs RC:$dst),
2269 (ins x86memop:$src1, immtype:$cntl),
2270 !strconcat(OpcodeStr,
2271 "\t{$cntl, $src1, $dst|$dst, $src1, $cntl}"),
2272 [(set RC:$dst, (Int (ld_frag addr:$src1), immoperator:$cntl))]>,
2276 defm BEXTRI32 : tbm_ternary_imm_intr<0x10, GR32, "bextr", i32mem, loadi32,
2277 int_x86_tbm_bextri_u32, i32imm, imm>;
2278 let ImmT = Imm32S in
2279 defm BEXTRI64 : tbm_ternary_imm_intr<0x10, GR64, "bextr", i64mem, loadi64,
2280 int_x86_tbm_bextri_u64, i64i32imm,
2281 i64immSExt32>, VEX_W;
2283 multiclass tbm_binary_rm<bits<8> opc, Format FormReg, Format FormMem,
2284 RegisterClass RC, string OpcodeStr,
2285 X86MemOperand x86memop, PatFrag ld_frag> {
2286 let hasSideEffects = 0 in {
2287 def rr : I<opc, FormReg, (outs RC:$dst), (ins RC:$src),
2288 !strconcat(OpcodeStr,"\t{$src, $dst|$dst, $src}"),
2291 def rm : I<opc, FormMem, (outs RC:$dst), (ins x86memop:$src),
2292 !strconcat(OpcodeStr,"\t{$src, $dst|$dst, $src}"),
2297 multiclass tbm_binary_intr<bits<8> opc, string OpcodeStr,
2298 Format FormReg, Format FormMem> {
2299 defm NAME#32 : tbm_binary_rm<opc, FormReg, FormMem, GR32, OpcodeStr, i32mem,
2301 defm NAME#64 : tbm_binary_rm<opc, FormReg, FormMem, GR64, OpcodeStr, i64mem,
2305 defm BLCFILL : tbm_binary_intr<0x01, "blcfill", MRM1r, MRM1m>;
2306 defm BLCI : tbm_binary_intr<0x02, "blci", MRM6r, MRM6m>;
2307 defm BLCIC : tbm_binary_intr<0x01, "blcic", MRM5r, MRM5m>;
2308 defm BLCMSK : tbm_binary_intr<0x02, "blcmsk", MRM1r, MRM1m>;
2309 defm BLCS : tbm_binary_intr<0x01, "blcs", MRM3r, MRM3m>;
2310 defm BLSFILL : tbm_binary_intr<0x01, "blsfill", MRM2r, MRM2m>;
2311 defm BLSIC : tbm_binary_intr<0x01, "blsic", MRM6r, MRM6m>;
2312 defm T1MSKC : tbm_binary_intr<0x01, "t1mskc", MRM7r, MRM7m>;
2313 defm TZMSK : tbm_binary_intr<0x01, "tzmsk", MRM4r, MRM4m>;
2316 //===----------------------------------------------------------------------===//
2317 // Pattern fragments to auto generate TBM instructions.
2318 //===----------------------------------------------------------------------===//
2320 let Predicates = [HasTBM] in {
2321 def : Pat<(X86bextr GR32:$src1, (i32 imm:$src2)),
2322 (BEXTRI32ri GR32:$src1, imm:$src2)>;
2323 def : Pat<(X86bextr (loadi32 addr:$src1), (i32 imm:$src2)),
2324 (BEXTRI32mi addr:$src1, imm:$src2)>;
2325 def : Pat<(X86bextr GR64:$src1, i64immSExt32:$src2),
2326 (BEXTRI64ri GR64:$src1, i64immSExt32:$src2)>;
2327 def : Pat<(X86bextr (loadi64 addr:$src1), i64immSExt32:$src2),
2328 (BEXTRI64mi addr:$src1, i64immSExt32:$src2)>;
2330 // FIXME: patterns for the load versions are not implemented
2331 def : Pat<(and GR32:$src, (add GR32:$src, 1)),
2332 (BLCFILL32rr GR32:$src)>;
2333 def : Pat<(and GR64:$src, (add GR64:$src, 1)),
2334 (BLCFILL64rr GR64:$src)>;
2336 def : Pat<(or GR32:$src, (not (add GR32:$src, 1))),
2337 (BLCI32rr GR32:$src)>;
2338 def : Pat<(or GR64:$src, (not (add GR64:$src, 1))),
2339 (BLCI64rr GR64:$src)>;
2341 // Extra patterns because opt can optimize the above patterns to this.
2342 def : Pat<(or GR32:$src, (sub -2, GR32:$src)),
2343 (BLCI32rr GR32:$src)>;
2344 def : Pat<(or GR64:$src, (sub -2, GR64:$src)),
2345 (BLCI64rr GR64:$src)>;
2347 def : Pat<(and (not GR32:$src), (add GR32:$src, 1)),
2348 (BLCIC32rr GR32:$src)>;
2349 def : Pat<(and (not GR64:$src), (add GR64:$src, 1)),
2350 (BLCIC64rr GR64:$src)>;
2352 def : Pat<(xor GR32:$src, (add GR32:$src, 1)),
2353 (BLCMSK32rr GR32:$src)>;
2354 def : Pat<(xor GR64:$src, (add GR64:$src, 1)),
2355 (BLCMSK64rr GR64:$src)>;
2357 def : Pat<(or GR32:$src, (add GR32:$src, 1)),
2358 (BLCS32rr GR32:$src)>;
2359 def : Pat<(or GR64:$src, (add GR64:$src, 1)),
2360 (BLCS64rr GR64:$src)>;
2362 def : Pat<(or GR32:$src, (add GR32:$src, -1)),
2363 (BLSFILL32rr GR32:$src)>;
2364 def : Pat<(or GR64:$src, (add GR64:$src, -1)),
2365 (BLSFILL64rr GR64:$src)>;
2367 def : Pat<(or (not GR32:$src), (add GR32:$src, -1)),
2368 (BLSIC32rr GR32:$src)>;
2369 def : Pat<(or (not GR64:$src), (add GR64:$src, -1)),
2370 (BLSIC64rr GR64:$src)>;
2372 def : Pat<(or (not GR32:$src), (add GR32:$src, 1)),
2373 (T1MSKC32rr GR32:$src)>;
2374 def : Pat<(or (not GR64:$src), (add GR64:$src, 1)),
2375 (T1MSKC64rr GR64:$src)>;
2377 def : Pat<(and (not GR32:$src), (add GR32:$src, -1)),
2378 (TZMSK32rr GR32:$src)>;
2379 def : Pat<(and (not GR64:$src), (add GR64:$src, -1)),
2380 (TZMSK64rr GR64:$src)>;
2383 //===----------------------------------------------------------------------===//
2385 //===----------------------------------------------------------------------===//
2387 include "X86InstrArithmetic.td"
2388 include "X86InstrCMovSetCC.td"
2389 include "X86InstrExtension.td"
2390 include "X86InstrControl.td"
2391 include "X86InstrShiftRotate.td"
2393 // X87 Floating Point Stack.
2394 include "X86InstrFPStack.td"
2396 // SIMD support (SSE, MMX and AVX)
2397 include "X86InstrFragmentsSIMD.td"
2399 // FMA - Fused Multiply-Add support (requires FMA)
2400 include "X86InstrFMA.td"
2403 include "X86InstrXOP.td"
2405 // SSE, MMX and 3DNow! vector support.
2406 include "X86InstrSSE.td"
2407 include "X86InstrAVX512.td"
2408 include "X86InstrMMX.td"
2409 include "X86Instr3DNow.td"
2411 include "X86InstrVMX.td"
2412 include "X86InstrSVM.td"
2414 include "X86InstrTSX.td"
2415 include "X86InstrSGX.td"
2417 // System instructions.
2418 include "X86InstrSystem.td"
2420 // Compiler Pseudo Instructions and Pat Patterns
2421 include "X86InstrCompiler.td"
2423 //===----------------------------------------------------------------------===//
2424 // Assembler Mnemonic Aliases
2425 //===----------------------------------------------------------------------===//
2427 def : MnemonicAlias<"call", "callw", "att">, Requires<[In16BitMode]>;
2428 def : MnemonicAlias<"call", "calll", "att">, Requires<[In32BitMode]>;
2429 def : MnemonicAlias<"call", "callq", "att">, Requires<[In64BitMode]>;
2431 def : MnemonicAlias<"cbw", "cbtw", "att">;
2432 def : MnemonicAlias<"cwde", "cwtl", "att">;
2433 def : MnemonicAlias<"cwd", "cwtd", "att">;
2434 def : MnemonicAlias<"cdq", "cltd", "att">;
2435 def : MnemonicAlias<"cdqe", "cltq", "att">;
2436 def : MnemonicAlias<"cqo", "cqto", "att">;
2438 // In 64-bit mode lret maps to lretl; it is not ambiguous with lretq.
2439 def : MnemonicAlias<"lret", "lretw", "att">, Requires<[In16BitMode]>;
2440 def : MnemonicAlias<"lret", "lretl", "att">, Requires<[Not16BitMode]>;
2442 def : MnemonicAlias<"leavel", "leave", "att">, Requires<[Not64BitMode]>;
2443 def : MnemonicAlias<"leaveq", "leave", "att">, Requires<[In64BitMode]>;
2445 def : MnemonicAlias<"loopz", "loope", "att">;
2446 def : MnemonicAlias<"loopnz", "loopne", "att">;
2448 def : MnemonicAlias<"pop", "popw", "att">, Requires<[In16BitMode]>;
2449 def : MnemonicAlias<"pop", "popl", "att">, Requires<[In32BitMode]>;
2450 def : MnemonicAlias<"pop", "popq", "att">, Requires<[In64BitMode]>;
2451 def : MnemonicAlias<"popf", "popfw", "att">, Requires<[In16BitMode]>;
2452 def : MnemonicAlias<"popf", "popfl", "att">, Requires<[In32BitMode]>;
2453 def : MnemonicAlias<"popf", "popfq", "att">, Requires<[In64BitMode]>;
2454 def : MnemonicAlias<"popfd", "popfl", "att">;
2456 // FIXME: This is wrong for "push reg". "push %bx" should turn into pushw in
2457 // all modes. However: "push (addr)" and "push $42" should default to
2458 // pushl/pushq depending on the current mode. Similar for "pop %bx"
2459 def : MnemonicAlias<"push", "pushw", "att">, Requires<[In16BitMode]>;
2460 def : MnemonicAlias<"push", "pushl", "att">, Requires<[In32BitMode]>;
2461 def : MnemonicAlias<"push", "pushq", "att">, Requires<[In64BitMode]>;
2462 def : MnemonicAlias<"pushf", "pushfw", "att">, Requires<[In16BitMode]>;
2463 def : MnemonicAlias<"pushf", "pushfl", "att">, Requires<[In32BitMode]>;
2464 def : MnemonicAlias<"pushf", "pushfq", "att">, Requires<[In64BitMode]>;
2465 def : MnemonicAlias<"pushfd", "pushfl", "att">;
2467 def : MnemonicAlias<"popad", "popal", "intel">, Requires<[Not64BitMode]>;
2468 def : MnemonicAlias<"pushad", "pushal", "intel">, Requires<[Not64BitMode]>;
2469 def : MnemonicAlias<"popa", "popaw", "intel">, Requires<[In16BitMode]>;
2470 def : MnemonicAlias<"pusha", "pushaw", "intel">, Requires<[In16BitMode]>;
2471 def : MnemonicAlias<"popa", "popal", "intel">, Requires<[In32BitMode]>;
2472 def : MnemonicAlias<"pusha", "pushal", "intel">, Requires<[In32BitMode]>;
2474 def : MnemonicAlias<"popa", "popaw", "att">, Requires<[In16BitMode]>;
2475 def : MnemonicAlias<"pusha", "pushaw", "att">, Requires<[In16BitMode]>;
2476 def : MnemonicAlias<"popa", "popal", "att">, Requires<[In32BitMode]>;
2477 def : MnemonicAlias<"pusha", "pushal", "att">, Requires<[In32BitMode]>;
2479 def : MnemonicAlias<"repe", "rep", "att">;
2480 def : MnemonicAlias<"repz", "rep", "att">;
2481 def : MnemonicAlias<"repnz", "repne", "att">;
2483 def : MnemonicAlias<"ret", "retw", "att">, Requires<[In16BitMode]>;
2484 def : MnemonicAlias<"ret", "retl", "att">, Requires<[In32BitMode]>;
2485 def : MnemonicAlias<"ret", "retq", "att">, Requires<[In64BitMode]>;
2487 def : MnemonicAlias<"salb", "shlb", "att">;
2488 def : MnemonicAlias<"salw", "shlw", "att">;
2489 def : MnemonicAlias<"sall", "shll", "att">;
2490 def : MnemonicAlias<"salq", "shlq", "att">;
2492 def : MnemonicAlias<"smovb", "movsb", "att">;
2493 def : MnemonicAlias<"smovw", "movsw", "att">;
2494 def : MnemonicAlias<"smovl", "movsl", "att">;
2495 def : MnemonicAlias<"smovq", "movsq", "att">;
2497 def : MnemonicAlias<"ud2a", "ud2", "att">;
2498 def : MnemonicAlias<"verrw", "verr", "att">;
2500 // System instruction aliases.
2501 def : MnemonicAlias<"iret", "iretw", "att">, Requires<[In16BitMode]>;
2502 def : MnemonicAlias<"iret", "iretl", "att">, Requires<[Not16BitMode]>;
2503 def : MnemonicAlias<"sysret", "sysretl", "att">;
2504 def : MnemonicAlias<"sysexit", "sysexitl", "att">;
2506 def : MnemonicAlias<"lgdt", "lgdtw", "att">, Requires<[In16BitMode]>;
2507 def : MnemonicAlias<"lgdt", "lgdtl", "att">, Requires<[In32BitMode]>;
2508 def : MnemonicAlias<"lgdt", "lgdtq", "att">, Requires<[In64BitMode]>;
2509 def : MnemonicAlias<"lidt", "lidtw", "att">, Requires<[In16BitMode]>;
2510 def : MnemonicAlias<"lidt", "lidtl", "att">, Requires<[In32BitMode]>;
2511 def : MnemonicAlias<"lidt", "lidtq", "att">, Requires<[In64BitMode]>;
2512 def : MnemonicAlias<"sgdt", "sgdtw", "att">, Requires<[In16BitMode]>;
2513 def : MnemonicAlias<"sgdt", "sgdtl", "att">, Requires<[In32BitMode]>;
2514 def : MnemonicAlias<"sgdt", "sgdtq", "att">, Requires<[In64BitMode]>;
2515 def : MnemonicAlias<"sidt", "sidtw", "att">, Requires<[In16BitMode]>;
2516 def : MnemonicAlias<"sidt", "sidtl", "att">, Requires<[In32BitMode]>;
2517 def : MnemonicAlias<"sidt", "sidtq", "att">, Requires<[In64BitMode]>;
2520 // Floating point stack aliases.
2521 def : MnemonicAlias<"fcmovz", "fcmove", "att">;
2522 def : MnemonicAlias<"fcmova", "fcmovnbe", "att">;
2523 def : MnemonicAlias<"fcmovnae", "fcmovb", "att">;
2524 def : MnemonicAlias<"fcmovna", "fcmovbe", "att">;
2525 def : MnemonicAlias<"fcmovae", "fcmovnb", "att">;
2526 def : MnemonicAlias<"fcomip", "fcompi", "att">;
2527 def : MnemonicAlias<"fildq", "fildll", "att">;
2528 def : MnemonicAlias<"fistpq", "fistpll", "att">;
2529 def : MnemonicAlias<"fisttpq", "fisttpll", "att">;
2530 def : MnemonicAlias<"fldcww", "fldcw", "att">;
2531 def : MnemonicAlias<"fnstcww", "fnstcw", "att">;
2532 def : MnemonicAlias<"fnstsww", "fnstsw", "att">;
2533 def : MnemonicAlias<"fucomip", "fucompi", "att">;
2534 def : MnemonicAlias<"fwait", "wait">;
2537 class CondCodeAlias<string Prefix,string Suffix, string OldCond, string NewCond,
2539 : MnemonicAlias<!strconcat(Prefix, OldCond, Suffix),
2540 !strconcat(Prefix, NewCond, Suffix), VariantName>;
2542 /// IntegerCondCodeMnemonicAlias - This multiclass defines a bunch of
2543 /// MnemonicAlias's that canonicalize the condition code in a mnemonic, for
2544 /// example "setz" -> "sete".
2545 multiclass IntegerCondCodeMnemonicAlias<string Prefix, string Suffix,
2547 def C : CondCodeAlias<Prefix, Suffix, "c", "b", V>; // setc -> setb
2548 def Z : CondCodeAlias<Prefix, Suffix, "z" , "e", V>; // setz -> sete
2549 def NA : CondCodeAlias<Prefix, Suffix, "na", "be", V>; // setna -> setbe
2550 def NB : CondCodeAlias<Prefix, Suffix, "nb", "ae", V>; // setnb -> setae
2551 def NC : CondCodeAlias<Prefix, Suffix, "nc", "ae", V>; // setnc -> setae
2552 def NG : CondCodeAlias<Prefix, Suffix, "ng", "le", V>; // setng -> setle
2553 def NL : CondCodeAlias<Prefix, Suffix, "nl", "ge", V>; // setnl -> setge
2554 def NZ : CondCodeAlias<Prefix, Suffix, "nz", "ne", V>; // setnz -> setne
2555 def PE : CondCodeAlias<Prefix, Suffix, "pe", "p", V>; // setpe -> setp
2556 def PO : CondCodeAlias<Prefix, Suffix, "po", "np", V>; // setpo -> setnp
2558 def NAE : CondCodeAlias<Prefix, Suffix, "nae", "b", V>; // setnae -> setb
2559 def NBE : CondCodeAlias<Prefix, Suffix, "nbe", "a", V>; // setnbe -> seta
2560 def NGE : CondCodeAlias<Prefix, Suffix, "nge", "l", V>; // setnge -> setl
2561 def NLE : CondCodeAlias<Prefix, Suffix, "nle", "g", V>; // setnle -> setg
2564 // Aliases for set<CC>
2565 defm : IntegerCondCodeMnemonicAlias<"set", "">;
2566 // Aliases for j<CC>
2567 defm : IntegerCondCodeMnemonicAlias<"j", "">;
2568 // Aliases for cmov<CC>{w,l,q}
2569 defm : IntegerCondCodeMnemonicAlias<"cmov", "w", "att">;
2570 defm : IntegerCondCodeMnemonicAlias<"cmov", "l", "att">;
2571 defm : IntegerCondCodeMnemonicAlias<"cmov", "q", "att">;
2572 // No size suffix for intel-style asm.
2573 defm : IntegerCondCodeMnemonicAlias<"cmov", "", "intel">;
2576 //===----------------------------------------------------------------------===//
2577 // Assembler Instruction Aliases
2578 //===----------------------------------------------------------------------===//
2580 // aad/aam default to base 10 if no operand is specified.
2581 def : InstAlias<"aad", (AAD8i8 10)>;
2582 def : InstAlias<"aam", (AAM8i8 10)>;
2584 // Disambiguate the mem/imm form of bt-without-a-suffix as btl.
2585 // Likewise for btc/btr/bts.
2586 def : InstAlias<"bt {$imm, $mem|$mem, $imm}",
2587 (BT32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
2588 def : InstAlias<"btc {$imm, $mem|$mem, $imm}",
2589 (BTC32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
2590 def : InstAlias<"btr {$imm, $mem|$mem, $imm}",
2591 (BTR32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
2592 def : InstAlias<"bts {$imm, $mem|$mem, $imm}",
2593 (BTS32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
2596 def : InstAlias<"clrb $reg", (XOR8rr GR8 :$reg, GR8 :$reg), 0>;
2597 def : InstAlias<"clrw $reg", (XOR16rr GR16:$reg, GR16:$reg), 0>;
2598 def : InstAlias<"clrl $reg", (XOR32rr GR32:$reg, GR32:$reg), 0>;
2599 def : InstAlias<"clrq $reg", (XOR64rr GR64:$reg, GR64:$reg), 0>;
2601 // lods aliases. Accept the destination being omitted because it's implicit
2602 // in the mnemonic, or the mnemonic suffix being omitted because it's implicit
2603 // in the destination.
2604 def : InstAlias<"lodsb $src", (LODSB srcidx8:$src), 0>;
2605 def : InstAlias<"lodsw $src", (LODSW srcidx16:$src), 0>;
2606 def : InstAlias<"lods{l|d} $src", (LODSL srcidx32:$src), 0>;
2607 def : InstAlias<"lodsq $src", (LODSQ srcidx64:$src), 0>, Requires<[In64BitMode]>;
2608 def : InstAlias<"lods {$src, %al|al, $src}", (LODSB srcidx8:$src), 0>;
2609 def : InstAlias<"lods {$src, %ax|ax, $src}", (LODSW srcidx16:$src), 0>;
2610 def : InstAlias<"lods {$src, %eax|eax, $src}", (LODSL srcidx32:$src), 0>;
2611 def : InstAlias<"lods {$src, %rax|rax, $src}", (LODSQ srcidx64:$src), 0>, Requires<[In64BitMode]>;
2613 // stos aliases. Accept the source being omitted because it's implicit in
2614 // the mnemonic, or the mnemonic suffix being omitted because it's implicit
2616 def : InstAlias<"stosb $dst", (STOSB dstidx8:$dst), 0>;
2617 def : InstAlias<"stosw $dst", (STOSW dstidx16:$dst), 0>;
2618 def : InstAlias<"stos{l|d} $dst", (STOSL dstidx32:$dst), 0>;
2619 def : InstAlias<"stosq $dst", (STOSQ dstidx64:$dst), 0>, Requires<[In64BitMode]>;
2620 def : InstAlias<"stos {%al, $dst|$dst, al}", (STOSB dstidx8:$dst), 0>;
2621 def : InstAlias<"stos {%ax, $dst|$dst, ax}", (STOSW dstidx16:$dst), 0>;
2622 def : InstAlias<"stos {%eax, $dst|$dst, eax}", (STOSL dstidx32:$dst), 0>;
2623 def : InstAlias<"stos {%rax, $dst|$dst, rax}", (STOSQ dstidx64:$dst), 0>, Requires<[In64BitMode]>;
2625 // scas aliases. Accept the destination being omitted because it's implicit
2626 // in the mnemonic, or the mnemonic suffix being omitted because it's implicit
2627 // in the destination.
2628 def : InstAlias<"scasb $dst", (SCASB dstidx8:$dst), 0>;
2629 def : InstAlias<"scasw $dst", (SCASW dstidx16:$dst), 0>;
2630 def : InstAlias<"scas{l|d} $dst", (SCASL dstidx32:$dst), 0>;
2631 def : InstAlias<"scasq $dst", (SCASQ dstidx64:$dst), 0>, Requires<[In64BitMode]>;
2632 def : InstAlias<"scas {$dst, %al|al, $dst}", (SCASB dstidx8:$dst), 0>;
2633 def : InstAlias<"scas {$dst, %ax|ax, $dst}", (SCASW dstidx16:$dst), 0>;
2634 def : InstAlias<"scas {$dst, %eax|eax, $dst}", (SCASL dstidx32:$dst), 0>;
2635 def : InstAlias<"scas {$dst, %rax|rax, $dst}", (SCASQ dstidx64:$dst), 0>, Requires<[In64BitMode]>;
2637 // div and idiv aliases for explicit A register.
2638 def : InstAlias<"div{b}\t{$src, %al|al, $src}", (DIV8r GR8 :$src)>;
2639 def : InstAlias<"div{w}\t{$src, %ax|ax, $src}", (DIV16r GR16:$src)>;
2640 def : InstAlias<"div{l}\t{$src, %eax|eax, $src}", (DIV32r GR32:$src)>;
2641 def : InstAlias<"div{q}\t{$src, %rax|rax, $src}", (DIV64r GR64:$src)>;
2642 def : InstAlias<"div{b}\t{$src, %al|al, $src}", (DIV8m i8mem :$src)>;
2643 def : InstAlias<"div{w}\t{$src, %ax|ax, $src}", (DIV16m i16mem:$src)>;
2644 def : InstAlias<"div{l}\t{$src, %eax|eax, $src}", (DIV32m i32mem:$src)>;
2645 def : InstAlias<"div{q}\t{$src, %rax|rax, $src}", (DIV64m i64mem:$src)>;
2646 def : InstAlias<"idiv{b}\t{$src, %al|al, $src}", (IDIV8r GR8 :$src)>;
2647 def : InstAlias<"idiv{w}\t{$src, %ax|ax, $src}", (IDIV16r GR16:$src)>;
2648 def : InstAlias<"idiv{l}\t{$src, %eax|eax, $src}", (IDIV32r GR32:$src)>;
2649 def : InstAlias<"idiv{q}\t{$src, %rax|rax, $src}", (IDIV64r GR64:$src)>;
2650 def : InstAlias<"idiv{b}\t{$src, %al|al, $src}", (IDIV8m i8mem :$src)>;
2651 def : InstAlias<"idiv{w}\t{$src, %ax|ax, $src}", (IDIV16m i16mem:$src)>;
2652 def : InstAlias<"idiv{l}\t{$src, %eax|eax, $src}", (IDIV32m i32mem:$src)>;
2653 def : InstAlias<"idiv{q}\t{$src, %rax|rax, $src}", (IDIV64m i64mem:$src)>;
2657 // Various unary fpstack operations default to operating on on ST1.
2658 // For example, "fxch" -> "fxch %st(1)"
2659 def : InstAlias<"faddp", (ADD_FPrST0 ST1), 0>;
2660 def : InstAlias<"fsub{|r}p", (SUBR_FPrST0 ST1), 0>;
2661 def : InstAlias<"fsub{r|}p", (SUB_FPrST0 ST1), 0>;
2662 def : InstAlias<"fmulp", (MUL_FPrST0 ST1), 0>;
2663 def : InstAlias<"fdiv{|r}p", (DIVR_FPrST0 ST1), 0>;
2664 def : InstAlias<"fdiv{r|}p", (DIV_FPrST0 ST1), 0>;
2665 def : InstAlias<"fxch", (XCH_F ST1), 0>;
2666 def : InstAlias<"fcom", (COM_FST0r ST1), 0>;
2667 def : InstAlias<"fcomp", (COMP_FST0r ST1), 0>;
2668 def : InstAlias<"fcomi", (COM_FIr ST1), 0>;
2669 def : InstAlias<"fcompi", (COM_FIPr ST1), 0>;
2670 def : InstAlias<"fucom", (UCOM_Fr ST1), 0>;
2671 def : InstAlias<"fucomp", (UCOM_FPr ST1), 0>;
2672 def : InstAlias<"fucomi", (UCOM_FIr ST1), 0>;
2673 def : InstAlias<"fucompi", (UCOM_FIPr ST1), 0>;
2675 // Handle fmul/fadd/fsub/fdiv instructions with explicitly written st(0) op.
2676 // For example, "fadd %st(4), %st(0)" -> "fadd %st(4)". We also disambiguate
2677 // instructions like "fadd %st(0), %st(0)" as "fadd %st(0)" for consistency with
2679 multiclass FpUnaryAlias<string Mnemonic, Instruction Inst, bit EmitAlias = 1> {
2680 def : InstAlias<!strconcat(Mnemonic, "\t{$op, %st(0)|st(0), $op}"),
2681 (Inst RST:$op), EmitAlias>;
2682 def : InstAlias<!strconcat(Mnemonic, "\t{%st(0), %st(0)|st(0), st(0)}"),
2683 (Inst ST0), EmitAlias>;
2686 defm : FpUnaryAlias<"fadd", ADD_FST0r>;
2687 defm : FpUnaryAlias<"faddp", ADD_FPrST0, 0>;
2688 defm : FpUnaryAlias<"fsub", SUB_FST0r>;
2689 defm : FpUnaryAlias<"fsub{|r}p", SUBR_FPrST0>;
2690 defm : FpUnaryAlias<"fsubr", SUBR_FST0r>;
2691 defm : FpUnaryAlias<"fsub{r|}p", SUB_FPrST0>;
2692 defm : FpUnaryAlias<"fmul", MUL_FST0r>;
2693 defm : FpUnaryAlias<"fmulp", MUL_FPrST0>;
2694 defm : FpUnaryAlias<"fdiv", DIV_FST0r>;
2695 defm : FpUnaryAlias<"fdiv{|r}p", DIVR_FPrST0>;
2696 defm : FpUnaryAlias<"fdivr", DIVR_FST0r>;
2697 defm : FpUnaryAlias<"fdiv{r|}p", DIV_FPrST0>;
2698 defm : FpUnaryAlias<"fcomi", COM_FIr, 0>;
2699 defm : FpUnaryAlias<"fucomi", UCOM_FIr, 0>;
2700 defm : FpUnaryAlias<"fcompi", COM_FIPr>;
2701 defm : FpUnaryAlias<"fucompi", UCOM_FIPr>;
2704 // Handle "f{mulp,addp} st(0), $op" the same as "f{mulp,addp} $op", since they
2705 // commute. We also allow fdiv[r]p/fsubrp even though they don't commute,
2706 // solely because gas supports it.
2707 def : InstAlias<"faddp\t{%st(0), $op|$op, st(0)}", (ADD_FPrST0 RST:$op), 0>;
2708 def : InstAlias<"fmulp\t{%st(0), $op|$op, st(0)}", (MUL_FPrST0 RST:$op)>;
2709 def : InstAlias<"fsub{|r}p\t{%st(0), $op|$op, st(0)}", (SUBR_FPrST0 RST:$op)>;
2710 def : InstAlias<"fsub{r|}p\t{%st(0), $op|$op, st(0)}", (SUB_FPrST0 RST:$op)>;
2711 def : InstAlias<"fdiv{|r}p\t{%st(0), $op|$op, st(0)}", (DIVR_FPrST0 RST:$op)>;
2712 def : InstAlias<"fdiv{r|}p\t{%st(0), $op|$op, st(0)}", (DIV_FPrST0 RST:$op)>;
2714 // We accept "fnstsw %eax" even though it only writes %ax.
2715 def : InstAlias<"fnstsw\t{%eax|eax}", (FNSTSW16r)>;
2716 def : InstAlias<"fnstsw\t{%al|al}" , (FNSTSW16r)>;
2717 def : InstAlias<"fnstsw" , (FNSTSW16r)>;
2719 // lcall and ljmp aliases. This seems to be an odd mapping in 64-bit mode, but
2720 // this is compatible with what GAS does.
2721 def : InstAlias<"lcall $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg), 0>, Requires<[Not16BitMode]>;
2722 def : InstAlias<"ljmp $seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg), 0>, Requires<[Not16BitMode]>;
2723 def : InstAlias<"lcall {*}$dst", (FARCALL32m opaque48mem:$dst), 0>, Requires<[Not16BitMode]>;
2724 def : InstAlias<"ljmp {*}$dst", (FARJMP32m opaque48mem:$dst), 0>, Requires<[Not16BitMode]>;
2725 def : InstAlias<"lcall $seg, $off", (FARCALL16i i16imm:$off, i16imm:$seg), 0>, Requires<[In16BitMode]>;
2726 def : InstAlias<"ljmp $seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg), 0>, Requires<[In16BitMode]>;
2727 def : InstAlias<"lcall {*}$dst", (FARCALL16m opaque32mem:$dst), 0>, Requires<[In16BitMode]>;
2728 def : InstAlias<"ljmp {*}$dst", (FARJMP16m opaque32mem:$dst), 0>, Requires<[In16BitMode]>;
2730 def : InstAlias<"call {*}$dst", (CALL64m i64mem:$dst), 0>, Requires<[In64BitMode]>;
2731 def : InstAlias<"jmp {*}$dst", (JMP64m i64mem:$dst), 0>, Requires<[In64BitMode]>;
2732 def : InstAlias<"call {*}$dst", (CALL32m i32mem:$dst), 0>, Requires<[In32BitMode]>;
2733 def : InstAlias<"jmp {*}$dst", (JMP32m i32mem:$dst), 0>, Requires<[In32BitMode]>;
2734 def : InstAlias<"call {*}$dst", (CALL16m i16mem:$dst), 0>, Requires<[In16BitMode]>;
2735 def : InstAlias<"jmp {*}$dst", (JMP16m i16mem:$dst), 0>, Requires<[In16BitMode]>;
2738 // "imul <imm>, B" is an alias for "imul <imm>, B, B".
2739 def : InstAlias<"imulw {$imm, $r|$r, $imm}", (IMUL16rri GR16:$r, GR16:$r, i16imm:$imm), 0>;
2740 def : InstAlias<"imulw {$imm, $r|$r, $imm}", (IMUL16rri8 GR16:$r, GR16:$r, i16i8imm:$imm), 0>;
2741 def : InstAlias<"imull {$imm, $r|$r, $imm}", (IMUL32rri GR32:$r, GR32:$r, i32imm:$imm), 0>;
2742 def : InstAlias<"imull {$imm, $r|$r, $imm}", (IMUL32rri8 GR32:$r, GR32:$r, i32i8imm:$imm), 0>;
2743 def : InstAlias<"imulq {$imm, $r|$r, $imm}", (IMUL64rri32 GR64:$r, GR64:$r, i64i32imm:$imm), 0>;
2744 def : InstAlias<"imulq {$imm, $r|$r, $imm}", (IMUL64rri8 GR64:$r, GR64:$r, i64i8imm:$imm), 0>;
2746 // inb %dx -> inb %al, %dx
2747 def : InstAlias<"inb\t{%dx|dx}", (IN8rr), 0>;
2748 def : InstAlias<"inw\t{%dx|dx}", (IN16rr), 0>;
2749 def : InstAlias<"inl\t{%dx|dx}", (IN32rr), 0>;
2750 def : InstAlias<"inb\t$port", (IN8ri i8imm:$port), 0>;
2751 def : InstAlias<"inw\t$port", (IN16ri i8imm:$port), 0>;
2752 def : InstAlias<"inl\t$port", (IN32ri i8imm:$port), 0>;
2755 // jmp and call aliases for lcall and ljmp. jmp $42,$5 -> ljmp
2756 def : InstAlias<"call $seg, $off", (FARCALL16i i16imm:$off, i16imm:$seg)>, Requires<[In16BitMode]>;
2757 def : InstAlias<"jmp $seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg)>, Requires<[In16BitMode]>;
2758 def : InstAlias<"call $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg)>, Requires<[Not16BitMode]>;
2759 def : InstAlias<"jmp $seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg)>, Requires<[Not16BitMode]>;
2760 def : InstAlias<"callw $seg, $off", (FARCALL16i i16imm:$off, i16imm:$seg)>;
2761 def : InstAlias<"jmpw $seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg)>;
2762 def : InstAlias<"calll $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg)>;
2763 def : InstAlias<"jmpl $seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg)>;
2765 // Force mov without a suffix with a segment and mem to prefer the 'l' form of
2766 // the move. All segment/mem forms are equivalent, this has the shortest
2768 def : InstAlias<"mov {$mem, $seg|$seg, $mem}", (MOV32sm SEGMENT_REG:$seg, i32mem:$mem), 0>;
2769 def : InstAlias<"mov {$seg, $mem|$mem, $seg}", (MOV32ms i32mem:$mem, SEGMENT_REG:$seg), 0>;
2771 // Match 'movq <largeimm>, <reg>' as an alias for movabsq.
2772 def : InstAlias<"movq {$imm, $reg|$reg, $imm}", (MOV64ri GR64:$reg, i64imm:$imm), 0>;
2774 // Match 'movq GR64, MMX' as an alias for movd.
2775 def : InstAlias<"movq {$src, $dst|$dst, $src}",
2776 (MMX_MOVD64to64rr VR64:$dst, GR64:$src), 0>;
2777 def : InstAlias<"movq {$src, $dst|$dst, $src}",
2778 (MMX_MOVD64from64rr GR64:$dst, VR64:$src), 0>;
2781 def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX16rr8 GR16:$dst, GR8:$src), 0>;
2782 def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX16rm8 GR16:$dst, i8mem:$src), 0>;
2783 def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX32rr8 GR32:$dst, GR8:$src), 0>;
2784 def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX32rr16 GR32:$dst, GR16:$src), 0>;
2785 def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX64rr8 GR64:$dst, GR8:$src), 0>;
2786 def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX64rr16 GR64:$dst, GR16:$src), 0>;
2787 def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX64rr32 GR64:$dst, GR32:$src), 0>;
2790 def : InstAlias<"movzx {$src, $dst|$dst, $src}", (MOVZX16rr8 GR16:$dst, GR8:$src), 0>;
2791 def : InstAlias<"movzx {$src, $dst|$dst, $src}", (MOVZX16rm8 GR16:$dst, i8mem:$src), 0>;
2792 def : InstAlias<"movzx {$src, $dst|$dst, $src}", (MOVZX32rr8 GR32:$dst, GR8:$src), 0>;
2793 def : InstAlias<"movzx {$src, $dst|$dst, $src}", (MOVZX32rr16 GR32:$dst, GR16:$src), 0>;
2794 def : InstAlias<"movzx {$src, $dst|$dst, $src}", (MOVZX64rr8_Q GR64:$dst, GR8:$src), 0>;
2795 def : InstAlias<"movzx {$src, $dst|$dst, $src}", (MOVZX64rr16_Q GR64:$dst, GR16:$src), 0>;
2796 // Note: No GR32->GR64 movzx form.
2798 // outb %dx -> outb %al, %dx
2799 def : InstAlias<"outb\t{%dx|dx}", (OUT8rr), 0>;
2800 def : InstAlias<"outw\t{%dx|dx}", (OUT16rr), 0>;
2801 def : InstAlias<"outl\t{%dx|dx}", (OUT32rr), 0>;
2802 def : InstAlias<"outb\t$port", (OUT8ir i8imm:$port), 0>;
2803 def : InstAlias<"outw\t$port", (OUT16ir i8imm:$port), 0>;
2804 def : InstAlias<"outl\t$port", (OUT32ir i8imm:$port), 0>;
2806 // 'sldt <mem>' can be encoded with either sldtw or sldtq with the same
2807 // effect (both store to a 16-bit mem). Force to sldtw to avoid ambiguity
2808 // errors, since its encoding is the most compact.
2809 def : InstAlias<"sldt $mem", (SLDT16m i16mem:$mem), 0>;
2811 // shld/shrd op,op -> shld op, op, CL
2812 def : InstAlias<"shld{w}\t{$r2, $r1|$r1, $r2}", (SHLD16rrCL GR16:$r1, GR16:$r2), 0>;
2813 def : InstAlias<"shld{l}\t{$r2, $r1|$r1, $r2}", (SHLD32rrCL GR32:$r1, GR32:$r2), 0>;
2814 def : InstAlias<"shld{q}\t{$r2, $r1|$r1, $r2}", (SHLD64rrCL GR64:$r1, GR64:$r2), 0>;
2815 def : InstAlias<"shrd{w}\t{$r2, $r1|$r1, $r2}", (SHRD16rrCL GR16:$r1, GR16:$r2), 0>;
2816 def : InstAlias<"shrd{l}\t{$r2, $r1|$r1, $r2}", (SHRD32rrCL GR32:$r1, GR32:$r2), 0>;
2817 def : InstAlias<"shrd{q}\t{$r2, $r1|$r1, $r2}", (SHRD64rrCL GR64:$r1, GR64:$r2), 0>;
2819 def : InstAlias<"shld{w}\t{$reg, $mem|$mem, $reg}", (SHLD16mrCL i16mem:$mem, GR16:$reg), 0>;
2820 def : InstAlias<"shld{l}\t{$reg, $mem|$mem, $reg}", (SHLD32mrCL i32mem:$mem, GR32:$reg), 0>;
2821 def : InstAlias<"shld{q}\t{$reg, $mem|$mem, $reg}", (SHLD64mrCL i64mem:$mem, GR64:$reg), 0>;
2822 def : InstAlias<"shrd{w}\t{$reg, $mem|$mem, $reg}", (SHRD16mrCL i16mem:$mem, GR16:$reg), 0>;
2823 def : InstAlias<"shrd{l}\t{$reg, $mem|$mem, $reg}", (SHRD32mrCL i32mem:$mem, GR32:$reg), 0>;
2824 def : InstAlias<"shrd{q}\t{$reg, $mem|$mem, $reg}", (SHRD64mrCL i64mem:$mem, GR64:$reg), 0>;
2826 /* FIXME: This is disabled because the asm matcher is currently incapable of
2827 * matching a fixed immediate like $1.
2828 // "shl X, $1" is an alias for "shl X".
2829 multiclass ShiftRotateByOneAlias<string Mnemonic, string Opc> {
2830 def : InstAlias<!strconcat(Mnemonic, "b $op, $$1"),
2831 (!cast<Instruction>(!strconcat(Opc, "8r1")) GR8:$op)>;
2832 def : InstAlias<!strconcat(Mnemonic, "w $op, $$1"),
2833 (!cast<Instruction>(!strconcat(Opc, "16r1")) GR16:$op)>;
2834 def : InstAlias<!strconcat(Mnemonic, "l $op, $$1"),
2835 (!cast<Instruction>(!strconcat(Opc, "32r1")) GR32:$op)>;
2836 def : InstAlias<!strconcat(Mnemonic, "q $op, $$1"),
2837 (!cast<Instruction>(!strconcat(Opc, "64r1")) GR64:$op)>;
2838 def : InstAlias<!strconcat(Mnemonic, "b $op, $$1"),
2839 (!cast<Instruction>(!strconcat(Opc, "8m1")) i8mem:$op)>;
2840 def : InstAlias<!strconcat(Mnemonic, "w $op, $$1"),
2841 (!cast<Instruction>(!strconcat(Opc, "16m1")) i16mem:$op)>;
2842 def : InstAlias<!strconcat(Mnemonic, "l $op, $$1"),
2843 (!cast<Instruction>(!strconcat(Opc, "32m1")) i32mem:$op)>;
2844 def : InstAlias<!strconcat(Mnemonic, "q $op, $$1"),
2845 (!cast<Instruction>(!strconcat(Opc, "64m1")) i64mem:$op)>;
2848 defm : ShiftRotateByOneAlias<"rcl", "RCL">;
2849 defm : ShiftRotateByOneAlias<"rcr", "RCR">;
2850 defm : ShiftRotateByOneAlias<"rol", "ROL">;
2851 defm : ShiftRotateByOneAlias<"ror", "ROR">;
2854 // test: We accept "testX <reg>, <mem>" and "testX <mem>, <reg>" as synonyms.
2855 def : InstAlias<"test{b}\t{$val, $mem|$mem, $val}",
2856 (TEST8rm GR8 :$val, i8mem :$mem), 0>;
2857 def : InstAlias<"test{w}\t{$val, $mem|$mem, $val}",
2858 (TEST16rm GR16:$val, i16mem:$mem), 0>;
2859 def : InstAlias<"test{l}\t{$val, $mem|$mem, $val}",
2860 (TEST32rm GR32:$val, i32mem:$mem), 0>;
2861 def : InstAlias<"test{q}\t{$val, $mem|$mem, $val}",
2862 (TEST64rm GR64:$val, i64mem:$mem), 0>;
2864 // xchg: We accept "xchgX <reg>, <mem>" and "xchgX <mem>, <reg>" as synonyms.
2865 def : InstAlias<"xchg{b}\t{$mem, $val|$val, $mem}",
2866 (XCHG8rm GR8 :$val, i8mem :$mem), 0>;
2867 def : InstAlias<"xchg{w}\t{$mem, $val|$val, $mem}",
2868 (XCHG16rm GR16:$val, i16mem:$mem), 0>;
2869 def : InstAlias<"xchg{l}\t{$mem, $val|$val, $mem}",
2870 (XCHG32rm GR32:$val, i32mem:$mem), 0>;
2871 def : InstAlias<"xchg{q}\t{$mem, $val|$val, $mem}",
2872 (XCHG64rm GR64:$val, i64mem:$mem), 0>;
2874 // xchg: We accept "xchgX <reg>, %eax" and "xchgX %eax, <reg>" as synonyms.
2875 def : InstAlias<"xchg{w}\t{%ax, $src|$src, ax}", (XCHG16ar GR16:$src), 0>;
2876 def : InstAlias<"xchg{l}\t{%eax, $src|$src, eax}",
2877 (XCHG32ar GR32:$src), 0>, Requires<[Not64BitMode]>;
2878 def : InstAlias<"xchg{l}\t{%eax, $src|$src, eax}",
2879 (XCHG32ar64 GR32_NOAX:$src), 0>, Requires<[In64BitMode]>;
2880 def : InstAlias<"xchg{q}\t{%rax, $src|$src, rax}", (XCHG64ar GR64:$src), 0>;