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_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
111 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
113 def SDT_X86MEMBARRIER : SDTypeProfile<0, 0, []>;
115 def X86MemBarrier : SDNode<"X86ISD::MEMBARRIER", SDT_X86MEMBARRIER,
116 [SDNPHasChain,SDNPSideEffect]>;
117 def X86MFence : SDNode<"X86ISD::MFENCE", SDT_X86MEMBARRIER,
119 def X86SFence : SDNode<"X86ISD::SFENCE", SDT_X86MEMBARRIER,
121 def X86LFence : SDNode<"X86ISD::LFENCE", SDT_X86MEMBARRIER,
125 def X86bsf : SDNode<"X86ISD::BSF", SDTUnaryArithWithFlags>;
126 def X86bsr : SDNode<"X86ISD::BSR", SDTUnaryArithWithFlags>;
127 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
128 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
130 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
131 def X86bt : SDNode<"X86ISD::BT", SDTX86CmpTest>;
133 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
134 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
136 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
137 def X86setcc_c : SDNode<"X86ISD::SETCC_CARRY", SDTX86SetCC_C>;
139 def X86sahf : SDNode<"X86ISD::SAHF", SDTX86sahf>;
141 def X86rdrand : SDNode<"X86ISD::RDRAND", SDTX86rdrand,
142 [SDNPHasChain, SDNPSideEffect]>;
144 def X86rdseed : SDNode<"X86ISD::RDSEED", SDTX86rdrand,
145 [SDNPHasChain, SDNPSideEffect]>;
147 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
148 [SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
149 SDNPMayLoad, SDNPMemOperand]>;
150 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86caspair,
151 [SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
152 SDNPMayLoad, SDNPMemOperand]>;
153 def X86cas16 : SDNode<"X86ISD::LCMPXCHG16_DAG", SDTX86caspair,
154 [SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
155 SDNPMayLoad, SDNPMemOperand]>;
157 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
158 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
160 def X86vastart_save_xmm_regs :
161 SDNode<"X86ISD::VASTART_SAVE_XMM_REGS",
162 SDT_X86VASTART_SAVE_XMM_REGS,
163 [SDNPHasChain, SDNPVariadic]>;
165 SDNode<"X86ISD::VAARG_64", SDT_X86VAARG_64,
166 [SDNPHasChain, SDNPMayLoad, SDNPMayStore,
168 def X86callseq_start :
169 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
170 [SDNPHasChain, SDNPOutGlue]>;
172 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
173 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
175 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
176 [SDNPHasChain, SDNPOutGlue, SDNPOptInGlue,
179 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
180 [SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore]>;
181 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
182 [SDNPHasChain, SDNPInGlue, SDNPOutGlue, SDNPMayStore,
185 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG", SDTX86Void,
186 [SDNPHasChain, SDNPOutGlue, SDNPSideEffect]>;
187 def X86rdtscp : SDNode<"X86ISD::RDTSCP_DAG", SDTX86Void,
188 [SDNPHasChain, SDNPOutGlue, SDNPSideEffect]>;
189 def X86rdpmc : SDNode<"X86ISD::RDPMC_DAG", SDTX86Void,
190 [SDNPHasChain, SDNPOutGlue, SDNPSideEffect]>;
192 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
193 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
195 def X86RecoverFrameAlloc : SDNode<"ISD::LOCAL_RECOVER",
196 SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>,
199 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
200 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
202 def X86tlsbaseaddr : SDNode<"X86ISD::TLSBASEADDR", SDT_X86TLSBASEADDR,
203 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
205 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
208 def X86eh_sjlj_setjmp : SDNode<"X86ISD::EH_SJLJ_SETJMP",
209 SDTypeProfile<1, 1, [SDTCisInt<0>,
211 [SDNPHasChain, SDNPSideEffect]>;
212 def X86eh_sjlj_longjmp : SDNode<"X86ISD::EH_SJLJ_LONGJMP",
213 SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>,
214 [SDNPHasChain, SDNPSideEffect]>;
216 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
217 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
219 def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags,
221 def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
222 def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags,
224 def X86umul_flag : SDNode<"X86ISD::UMUL", SDT2ResultBinaryArithWithFlags,
226 def X86adc_flag : SDNode<"X86ISD::ADC", SDTBinaryArithWithFlagsInOut>;
227 def X86sbb_flag : SDNode<"X86ISD::SBB", SDTBinaryArithWithFlagsInOut>;
229 def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>;
230 def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>;
231 def X86or_flag : SDNode<"X86ISD::OR", SDTBinaryArithWithFlags,
233 def X86xor_flag : SDNode<"X86ISD::XOR", SDTBinaryArithWithFlags,
235 def X86and_flag : SDNode<"X86ISD::AND", SDTBinaryArithWithFlags,
238 def X86bextr : SDNode<"X86ISD::BEXTR", SDTIntBinOp>;
240 def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
242 def X86WinAlloca : SDNode<"X86ISD::WIN_ALLOCA", SDTX86Void,
243 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
245 def X86SegAlloca : SDNode<"X86ISD::SEG_ALLOCA", SDT_X86SEG_ALLOCA,
248 def X86TLSCall : SDNode<"X86ISD::TLSCALL", SDT_X86TLSCALL,
249 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
251 //===----------------------------------------------------------------------===//
252 // X86 Operand Definitions.
255 // A version of ptr_rc which excludes SP, ESP, and RSP. This is used for
256 // the index operand of an address, to conform to x86 encoding restrictions.
257 def ptr_rc_nosp : PointerLikeRegClass<1>;
259 // *mem - Operand definitions for the funky X86 addressing mode operands.
261 def X86MemAsmOperand : AsmOperandClass {
264 let RenderMethod = "addMemOperands" in {
265 def X86Mem8AsmOperand : AsmOperandClass { let Name = "Mem8"; }
266 def X86Mem16AsmOperand : AsmOperandClass { let Name = "Mem16"; }
267 def X86Mem32AsmOperand : AsmOperandClass { let Name = "Mem32"; }
268 def X86Mem64AsmOperand : AsmOperandClass { let Name = "Mem64"; }
269 def X86Mem80AsmOperand : AsmOperandClass { let Name = "Mem80"; }
270 def X86Mem128AsmOperand : AsmOperandClass { let Name = "Mem128"; }
271 def X86Mem256AsmOperand : AsmOperandClass { let Name = "Mem256"; }
272 def X86Mem512AsmOperand : AsmOperandClass { let Name = "Mem512"; }
273 // Gather mem operands
274 def X86MemVX32Operand : AsmOperandClass { let Name = "MemVX32"; }
275 def X86MemVY32Operand : AsmOperandClass { let Name = "MemVY32"; }
276 def X86MemVZ32Operand : AsmOperandClass { let Name = "MemVZ32"; }
277 def X86MemVX64Operand : AsmOperandClass { let Name = "MemVX64"; }
278 def X86MemVY64Operand : AsmOperandClass { let Name = "MemVY64"; }
279 def X86MemVZ64Operand : AsmOperandClass { let Name = "MemVZ64"; }
280 def X86MemVX32XOperand : AsmOperandClass { let Name = "MemVX32X"; }
281 def X86MemVY32XOperand : AsmOperandClass { let Name = "MemVY32X"; }
282 def X86MemVX64XOperand : AsmOperandClass { let Name = "MemVX64X"; }
283 def X86MemVY64XOperand : AsmOperandClass { let Name = "MemVY64X"; }
286 def X86AbsMemAsmOperand : AsmOperandClass {
288 let SuperClasses = [X86MemAsmOperand];
291 class X86MemOperand<string printMethod,
292 AsmOperandClass parserMatchClass = X86MemAsmOperand> : Operand<iPTR> {
293 let PrintMethod = printMethod;
294 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc_nosp, i32imm, i8imm);
295 let ParserMatchClass = parserMatchClass;
296 let OperandType = "OPERAND_MEMORY";
299 // Gather mem operands
300 class X86VMemOperand<RegisterClass RC, string printMethod,
301 AsmOperandClass parserMatchClass>
302 : X86MemOperand<printMethod, parserMatchClass> {
303 let MIOperandInfo = (ops ptr_rc, i8imm, RC, i32imm, i8imm);
306 def anymem : X86MemOperand<"printanymem">;
308 def opaque32mem : X86MemOperand<"printopaquemem">;
309 def opaque48mem : X86MemOperand<"printopaquemem">;
310 def opaque80mem : X86MemOperand<"printopaquemem">;
311 def opaque512mem : X86MemOperand<"printopaquemem">;
313 def i8mem : X86MemOperand<"printi8mem", X86Mem8AsmOperand>;
314 def i16mem : X86MemOperand<"printi16mem", X86Mem16AsmOperand>;
315 def i32mem : X86MemOperand<"printi32mem", X86Mem32AsmOperand>;
316 def i64mem : X86MemOperand<"printi64mem", X86Mem64AsmOperand>;
317 def i128mem : X86MemOperand<"printi128mem", X86Mem128AsmOperand>;
318 def i256mem : X86MemOperand<"printi256mem", X86Mem256AsmOperand>;
319 def i512mem : X86MemOperand<"printi512mem", X86Mem512AsmOperand>;
320 def f32mem : X86MemOperand<"printf32mem", X86Mem32AsmOperand>;
321 def f64mem : X86MemOperand<"printf64mem", X86Mem64AsmOperand>;
322 def f80mem : X86MemOperand<"printf80mem", X86Mem80AsmOperand>;
323 def f128mem : X86MemOperand<"printf128mem", X86Mem128AsmOperand>;
324 def f256mem : X86MemOperand<"printf256mem", X86Mem256AsmOperand>;
325 def f512mem : X86MemOperand<"printf512mem", X86Mem512AsmOperand>;
327 def v512mem : X86VMemOperand<VR512, "printf512mem", X86Mem512AsmOperand>;
329 // Gather mem operands
330 def vx32mem : X86VMemOperand<VR128, "printi32mem", X86MemVX32Operand>;
331 def vy32mem : X86VMemOperand<VR256, "printi32mem", X86MemVY32Operand>;
332 def vx64mem : X86VMemOperand<VR128, "printi64mem", X86MemVX64Operand>;
333 def vy64mem : X86VMemOperand<VR256, "printi64mem", X86MemVY64Operand>;
335 def vx32xmem : X86VMemOperand<VR128X, "printi32mem", X86MemVX32XOperand>;
336 def vx64xmem : X86VMemOperand<VR128X, "printi32mem", X86MemVX64XOperand>;
337 def vy32xmem : X86VMemOperand<VR256X, "printi32mem", X86MemVY32XOperand>;
338 def vy64xmem : X86VMemOperand<VR256X, "printi64mem", X86MemVY64XOperand>;
339 def vz32mem : X86VMemOperand<VR512, "printi32mem", X86MemVZ32Operand>;
340 def vz64mem : X86VMemOperand<VR512, "printi64mem", X86MemVZ64Operand>;
342 // A version of i8mem for use on x86-64 and x32 that uses a NOREX GPR instead
343 // of a plain GPR, so that it doesn't potentially require a REX prefix.
344 def ptr_rc_norex : PointerLikeRegClass<2>;
345 def ptr_rc_norex_nosp : PointerLikeRegClass<3>;
347 def i8mem_NOREX : Operand<iPTR> {
348 let PrintMethod = "printi8mem";
349 let MIOperandInfo = (ops ptr_rc_norex, i8imm, ptr_rc_norex_nosp, i32imm, i8imm);
350 let ParserMatchClass = X86Mem8AsmOperand;
351 let OperandType = "OPERAND_MEMORY";
354 // GPRs available for tailcall.
355 // It represents GR32_TC, GR64_TC or GR64_TCW64.
356 def ptr_rc_tailcall : PointerLikeRegClass<4>;
358 // Special i32mem for addresses of load folding tail calls. These are not
359 // allowed to use callee-saved registers since they must be scheduled
360 // after callee-saved register are popped.
361 def i32mem_TC : Operand<i32> {
362 let PrintMethod = "printi32mem";
363 let MIOperandInfo = (ops ptr_rc_tailcall, i8imm, ptr_rc_tailcall,
365 let ParserMatchClass = X86Mem32AsmOperand;
366 let OperandType = "OPERAND_MEMORY";
369 // Special i64mem for addresses of load folding tail calls. These are not
370 // allowed to use callee-saved registers since they must be scheduled
371 // after callee-saved register are popped.
372 def i64mem_TC : Operand<i64> {
373 let PrintMethod = "printi64mem";
374 let MIOperandInfo = (ops ptr_rc_tailcall, i8imm,
375 ptr_rc_tailcall, i32imm, i8imm);
376 let ParserMatchClass = X86Mem64AsmOperand;
377 let OperandType = "OPERAND_MEMORY";
380 let OperandType = "OPERAND_PCREL",
381 ParserMatchClass = X86AbsMemAsmOperand,
382 PrintMethod = "printPCRelImm" in {
383 def i32imm_pcrel : Operand<i32>;
384 def i16imm_pcrel : Operand<i16>;
386 // Branch targets have OtherVT type and print as pc-relative values.
387 def brtarget : Operand<OtherVT>;
388 def brtarget8 : Operand<OtherVT>;
392 // Special parser to detect 16-bit mode to select 16-bit displacement.
393 def X86AbsMem16AsmOperand : AsmOperandClass {
394 let Name = "AbsMem16";
395 let RenderMethod = "addAbsMemOperands";
396 let SuperClasses = [X86AbsMemAsmOperand];
399 // Branch targets have OtherVT type and print as pc-relative values.
400 let OperandType = "OPERAND_PCREL",
401 PrintMethod = "printPCRelImm" in {
402 let ParserMatchClass = X86AbsMem16AsmOperand in
403 def brtarget16 : Operand<OtherVT>;
404 let ParserMatchClass = X86AbsMemAsmOperand in
405 def brtarget32 : Operand<OtherVT>;
408 let RenderMethod = "addSrcIdxOperands" in {
409 def X86SrcIdx8Operand : AsmOperandClass {
410 let Name = "SrcIdx8";
411 let SuperClasses = [X86Mem8AsmOperand];
413 def X86SrcIdx16Operand : AsmOperandClass {
414 let Name = "SrcIdx16";
415 let SuperClasses = [X86Mem16AsmOperand];
417 def X86SrcIdx32Operand : AsmOperandClass {
418 let Name = "SrcIdx32";
419 let SuperClasses = [X86Mem32AsmOperand];
421 def X86SrcIdx64Operand : AsmOperandClass {
422 let Name = "SrcIdx64";
423 let SuperClasses = [X86Mem64AsmOperand];
425 } // RenderMethod = "addSrcIdxOperands"
427 let RenderMethod = "addDstIdxOperands" in {
428 def X86DstIdx8Operand : AsmOperandClass {
429 let Name = "DstIdx8";
430 let SuperClasses = [X86Mem8AsmOperand];
432 def X86DstIdx16Operand : AsmOperandClass {
433 let Name = "DstIdx16";
434 let SuperClasses = [X86Mem16AsmOperand];
436 def X86DstIdx32Operand : AsmOperandClass {
437 let Name = "DstIdx32";
438 let SuperClasses = [X86Mem32AsmOperand];
440 def X86DstIdx64Operand : AsmOperandClass {
441 let Name = "DstIdx64";
442 let SuperClasses = [X86Mem64AsmOperand];
444 } // RenderMethod = "addDstIdxOperands"
446 let RenderMethod = "addMemOffsOperands" in {
447 def X86MemOffs16_8AsmOperand : AsmOperandClass {
448 let Name = "MemOffs16_8";
449 let SuperClasses = [X86Mem8AsmOperand];
451 def X86MemOffs16_16AsmOperand : AsmOperandClass {
452 let Name = "MemOffs16_16";
453 let SuperClasses = [X86Mem16AsmOperand];
455 def X86MemOffs16_32AsmOperand : AsmOperandClass {
456 let Name = "MemOffs16_32";
457 let SuperClasses = [X86Mem32AsmOperand];
459 def X86MemOffs32_8AsmOperand : AsmOperandClass {
460 let Name = "MemOffs32_8";
461 let SuperClasses = [X86Mem8AsmOperand];
463 def X86MemOffs32_16AsmOperand : AsmOperandClass {
464 let Name = "MemOffs32_16";
465 let SuperClasses = [X86Mem16AsmOperand];
467 def X86MemOffs32_32AsmOperand : AsmOperandClass {
468 let Name = "MemOffs32_32";
469 let SuperClasses = [X86Mem32AsmOperand];
471 def X86MemOffs32_64AsmOperand : AsmOperandClass {
472 let Name = "MemOffs32_64";
473 let SuperClasses = [X86Mem64AsmOperand];
475 def X86MemOffs64_8AsmOperand : AsmOperandClass {
476 let Name = "MemOffs64_8";
477 let SuperClasses = [X86Mem8AsmOperand];
479 def X86MemOffs64_16AsmOperand : AsmOperandClass {
480 let Name = "MemOffs64_16";
481 let SuperClasses = [X86Mem16AsmOperand];
483 def X86MemOffs64_32AsmOperand : AsmOperandClass {
484 let Name = "MemOffs64_32";
485 let SuperClasses = [X86Mem32AsmOperand];
487 def X86MemOffs64_64AsmOperand : AsmOperandClass {
488 let Name = "MemOffs64_64";
489 let SuperClasses = [X86Mem64AsmOperand];
491 } // RenderMethod = "addMemOffsOperands"
493 class X86SrcIdxOperand<string printMethod, AsmOperandClass parserMatchClass>
494 : X86MemOperand<printMethod, parserMatchClass> {
495 let MIOperandInfo = (ops ptr_rc, i8imm);
498 class X86DstIdxOperand<string printMethod, AsmOperandClass parserMatchClass>
499 : X86MemOperand<printMethod, parserMatchClass> {
500 let MIOperandInfo = (ops ptr_rc);
503 def srcidx8 : X86SrcIdxOperand<"printSrcIdx8", X86SrcIdx8Operand>;
504 def srcidx16 : X86SrcIdxOperand<"printSrcIdx16", X86SrcIdx16Operand>;
505 def srcidx32 : X86SrcIdxOperand<"printSrcIdx32", X86SrcIdx32Operand>;
506 def srcidx64 : X86SrcIdxOperand<"printSrcIdx64", X86SrcIdx64Operand>;
507 def dstidx8 : X86DstIdxOperand<"printDstIdx8", X86DstIdx8Operand>;
508 def dstidx16 : X86DstIdxOperand<"printDstIdx16", X86DstIdx16Operand>;
509 def dstidx32 : X86DstIdxOperand<"printDstIdx32", X86DstIdx32Operand>;
510 def dstidx64 : X86DstIdxOperand<"printDstIdx64", X86DstIdx64Operand>;
512 class X86MemOffsOperand<Operand immOperand, string printMethod,
513 AsmOperandClass parserMatchClass>
514 : X86MemOperand<printMethod, parserMatchClass> {
515 let MIOperandInfo = (ops immOperand, i8imm);
518 def offset16_8 : X86MemOffsOperand<i16imm, "printMemOffs8",
519 X86MemOffs16_8AsmOperand>;
520 def offset16_16 : X86MemOffsOperand<i16imm, "printMemOffs16",
521 X86MemOffs16_16AsmOperand>;
522 def offset16_32 : X86MemOffsOperand<i16imm, "printMemOffs32",
523 X86MemOffs16_32AsmOperand>;
524 def offset32_8 : X86MemOffsOperand<i32imm, "printMemOffs8",
525 X86MemOffs32_8AsmOperand>;
526 def offset32_16 : X86MemOffsOperand<i32imm, "printMemOffs16",
527 X86MemOffs32_16AsmOperand>;
528 def offset32_32 : X86MemOffsOperand<i32imm, "printMemOffs32",
529 X86MemOffs32_32AsmOperand>;
530 def offset32_64 : X86MemOffsOperand<i32imm, "printMemOffs64",
531 X86MemOffs32_64AsmOperand>;
532 def offset64_8 : X86MemOffsOperand<i64imm, "printMemOffs8",
533 X86MemOffs64_8AsmOperand>;
534 def offset64_16 : X86MemOffsOperand<i64imm, "printMemOffs16",
535 X86MemOffs64_16AsmOperand>;
536 def offset64_32 : X86MemOffsOperand<i64imm, "printMemOffs32",
537 X86MemOffs64_32AsmOperand>;
538 def offset64_64 : X86MemOffsOperand<i64imm, "printMemOffs64",
539 X86MemOffs64_64AsmOperand>;
541 def SSECC : Operand<i8> {
542 let PrintMethod = "printSSEAVXCC";
543 let OperandType = "OPERAND_IMMEDIATE";
546 def i8immZExt3 : ImmLeaf<i8, [{
547 return Imm >= 0 && Imm < 8;
550 def AVXCC : Operand<i8> {
551 let PrintMethod = "printSSEAVXCC";
552 let OperandType = "OPERAND_IMMEDIATE";
555 def i8immZExt5 : ImmLeaf<i8, [{
556 return Imm >= 0 && Imm < 32;
559 def AVX512ICC : Operand<i8> {
560 let PrintMethod = "printSSEAVXCC";
561 let OperandType = "OPERAND_IMMEDIATE";
564 def XOPCC : Operand<i8> {
565 let PrintMethod = "printXOPCC";
566 let OperandType = "OPERAND_IMMEDIATE";
569 class ImmSExtAsmOperandClass : AsmOperandClass {
570 let SuperClasses = [ImmAsmOperand];
571 let RenderMethod = "addImmOperands";
574 def X86GR32orGR64AsmOperand : AsmOperandClass {
575 let Name = "GR32orGR64";
578 def GR32orGR64 : RegisterOperand<GR32> {
579 let ParserMatchClass = X86GR32orGR64AsmOperand;
581 def AVX512RCOperand : AsmOperandClass {
582 let Name = "AVX512RC";
584 def AVX512RC : Operand<i32> {
585 let PrintMethod = "printRoundingControl";
586 let OperandType = "OPERAND_IMMEDIATE";
587 let ParserMatchClass = AVX512RCOperand;
590 // Sign-extended immediate classes. We don't need to define the full lattice
591 // here because there is no instruction with an ambiguity between ImmSExti64i32
594 // The strange ranges come from the fact that the assembler always works with
595 // 64-bit immediates, but for a 16-bit target value we want to accept both "-1"
596 // (which will be a -1ULL), and "0xFF" (-1 in 16-bits).
599 // [0xFFFFFFFF80000000, 0xFFFFFFFFFFFFFFFF]
600 def ImmSExti64i32AsmOperand : ImmSExtAsmOperandClass {
601 let Name = "ImmSExti64i32";
604 // [0, 0x0000007F] | [0x000000000000FF80, 0x000000000000FFFF] |
605 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
606 def ImmSExti16i8AsmOperand : ImmSExtAsmOperandClass {
607 let Name = "ImmSExti16i8";
608 let SuperClasses = [ImmSExti64i32AsmOperand];
611 // [0, 0x0000007F] | [0x00000000FFFFFF80, 0x00000000FFFFFFFF] |
612 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
613 def ImmSExti32i8AsmOperand : ImmSExtAsmOperandClass {
614 let Name = "ImmSExti32i8";
618 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
619 def ImmSExti64i8AsmOperand : ImmSExtAsmOperandClass {
620 let Name = "ImmSExti64i8";
621 let SuperClasses = [ImmSExti16i8AsmOperand, ImmSExti32i8AsmOperand,
622 ImmSExti64i32AsmOperand];
625 // Unsigned immediate used by SSE/AVX instructions
627 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
628 def ImmUnsignedi8AsmOperand : AsmOperandClass {
629 let Name = "ImmUnsignedi8";
630 let RenderMethod = "addImmOperands";
633 // A couple of more descriptive operand definitions.
634 // 16-bits but only 8 bits are significant.
635 def i16i8imm : Operand<i16> {
636 let ParserMatchClass = ImmSExti16i8AsmOperand;
637 let OperandType = "OPERAND_IMMEDIATE";
639 // 32-bits but only 8 bits are significant.
640 def i32i8imm : Operand<i32> {
641 let ParserMatchClass = ImmSExti32i8AsmOperand;
642 let OperandType = "OPERAND_IMMEDIATE";
645 // 64-bits but only 32 bits are significant.
646 def i64i32imm : Operand<i64> {
647 let ParserMatchClass = ImmSExti64i32AsmOperand;
648 let OperandType = "OPERAND_IMMEDIATE";
651 // 64-bits but only 8 bits are significant.
652 def i64i8imm : Operand<i64> {
653 let ParserMatchClass = ImmSExti64i8AsmOperand;
654 let OperandType = "OPERAND_IMMEDIATE";
657 // Unsigned 8-bit immediate used by SSE/AVX instructions.
658 def u8imm : Operand<i8> {
659 let PrintMethod = "printU8Imm";
660 let ParserMatchClass = ImmUnsignedi8AsmOperand;
661 let OperandType = "OPERAND_IMMEDIATE";
664 // 32-bit immediate but only 8-bits are significant and they are unsigned.
665 // Used by some SSE/AVX instructions that use intrinsics.
666 def i32u8imm : Operand<i32> {
667 let PrintMethod = "printU8Imm";
668 let ParserMatchClass = ImmUnsignedi8AsmOperand;
669 let OperandType = "OPERAND_IMMEDIATE";
672 // 64-bits but only 32 bits are significant, and those bits are treated as being
674 def i64i32imm_pcrel : Operand<i64> {
675 let PrintMethod = "printPCRelImm";
676 let ParserMatchClass = X86AbsMemAsmOperand;
677 let OperandType = "OPERAND_PCREL";
680 def lea64_32mem : Operand<i32> {
681 let PrintMethod = "printanymem";
682 let MIOperandInfo = (ops GR64, i8imm, GR64_NOSP, i32imm, i8imm);
683 let ParserMatchClass = X86MemAsmOperand;
686 // Memory operands that use 64-bit pointers in both ILP32 and LP64.
687 def lea64mem : Operand<i64> {
688 let PrintMethod = "printanymem";
689 let MIOperandInfo = (ops GR64, i8imm, GR64_NOSP, i32imm, i8imm);
690 let ParserMatchClass = X86MemAsmOperand;
694 //===----------------------------------------------------------------------===//
695 // X86 Complex Pattern Definitions.
698 // Define X86-specific addressing mode.
699 def addr : ComplexPattern<iPTR, 5, "selectAddr", [], [SDNPWantParent]>;
700 def lea32addr : ComplexPattern<i32, 5, "selectLEAAddr",
701 [add, sub, mul, X86mul_imm, shl, or, frameindex],
703 // In 64-bit mode 32-bit LEAs can use RIP-relative addressing.
704 def lea64_32addr : ComplexPattern<i32, 5, "selectLEA64_32Addr",
705 [add, sub, mul, X86mul_imm, shl, or,
706 frameindex, X86WrapperRIP],
709 def tls32addr : ComplexPattern<i32, 5, "selectTLSADDRAddr",
710 [tglobaltlsaddr], []>;
712 def tls32baseaddr : ComplexPattern<i32, 5, "selectTLSADDRAddr",
713 [tglobaltlsaddr], []>;
715 def lea64addr : ComplexPattern<i64, 5, "selectLEAAddr",
716 [add, sub, mul, X86mul_imm, shl, or, frameindex,
719 def tls64addr : ComplexPattern<i64, 5, "selectTLSADDRAddr",
720 [tglobaltlsaddr], []>;
722 def tls64baseaddr : ComplexPattern<i64, 5, "selectTLSADDRAddr",
723 [tglobaltlsaddr], []>;
725 def vectoraddr : ComplexPattern<iPTR, 5, "selectVectorAddr", [],[SDNPWantParent]>;
727 //===----------------------------------------------------------------------===//
728 // X86 Instruction Predicate Definitions.
729 def HasCMov : Predicate<"Subtarget->hasCMov()">;
730 def NoCMov : Predicate<"!Subtarget->hasCMov()">;
732 def HasMMX : Predicate<"Subtarget->hasMMX()">;
733 def Has3DNow : Predicate<"Subtarget->has3DNow()">;
734 def Has3DNowA : Predicate<"Subtarget->has3DNowA()">;
735 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
736 def UseSSE1 : Predicate<"Subtarget->hasSSE1() && !Subtarget->hasAVX()">;
737 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
738 def UseSSE2 : Predicate<"Subtarget->hasSSE2() && !Subtarget->hasAVX()">;
739 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
740 def UseSSE3 : Predicate<"Subtarget->hasSSE3() && !Subtarget->hasAVX()">;
741 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
742 def UseSSSE3 : Predicate<"Subtarget->hasSSSE3() && !Subtarget->hasAVX()">;
743 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
744 def NoSSE41 : Predicate<"!Subtarget->hasSSE41()">;
745 def UseSSE41 : Predicate<"Subtarget->hasSSE41() && !Subtarget->hasAVX()">;
746 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
747 def UseSSE42 : Predicate<"Subtarget->hasSSE42() && !Subtarget->hasAVX()">;
748 def HasSSE4A : Predicate<"Subtarget->hasSSE4A()">;
749 def HasAVX : Predicate<"Subtarget->hasAVX()">;
750 def HasAVX2 : Predicate<"Subtarget->hasAVX2()">;
751 def HasAVX1Only : Predicate<"Subtarget->hasAVX() && !Subtarget->hasAVX2()">;
752 def HasAVX512 : Predicate<"Subtarget->hasAVX512()">,
753 AssemblerPredicate<"FeatureAVX512", "AVX-512 ISA">;
754 def UseAVX : Predicate<"Subtarget->hasAVX() && !Subtarget->hasAVX512()">;
755 def UseAVX2 : Predicate<"Subtarget->hasAVX2() && !Subtarget->hasAVX512()">;
756 def NoAVX512 : Predicate<"!Subtarget->hasAVX512()">;
757 def HasCDI : Predicate<"Subtarget->hasCDI()">,
758 AssemblerPredicate<"FeatureCDI", "AVX-512 CD ISA">;
759 def HasPFI : Predicate<"Subtarget->hasPFI()">,
760 AssemblerPredicate<"FeaturePFI", "AVX-512 PF ISA">;
761 def HasERI : Predicate<"Subtarget->hasERI()">,
762 AssemblerPredicate<"FeatureERI", "AVX-512 ER ISA">;
763 def HasDQI : Predicate<"Subtarget->hasDQI()">,
764 AssemblerPredicate<"FeatureDQI", "AVX-512 DQ ISA">;
765 def NoDQI : Predicate<"!Subtarget->hasDQI()">;
766 def HasBWI : Predicate<"Subtarget->hasBWI()">,
767 AssemblerPredicate<"FeatureBWI", "AVX-512 BW ISA">;
768 def NoBWI : Predicate<"!Subtarget->hasBWI()">;
769 def HasVLX : Predicate<"Subtarget->hasVLX()">,
770 AssemblerPredicate<"FeatureVLX", "AVX-512 VL ISA">;
771 def NoVLX : Predicate<"!Subtarget->hasVLX()">;
772 def NoVLX_Or_NoBWI : Predicate<"!Subtarget->hasVLX() || !Subtarget->hasBWI()">;
774 def HasPOPCNT : Predicate<"Subtarget->hasPOPCNT()">;
775 def HasAES : Predicate<"Subtarget->hasAES()">;
776 def HasFXSR : Predicate<"Subtarget->hasFXSR()">;
777 def HasXSAVE : Predicate<"Subtarget->hasXSAVE()">;
778 def HasXSAVEOPT : Predicate<"Subtarget->hasXSAVEOPT()">;
779 def HasXSAVEC : Predicate<"Subtarget->hasXSAVEC()">;
780 def HasXSAVES : Predicate<"Subtarget->hasXSAVES()">;
781 def HasPCLMUL : Predicate<"Subtarget->hasPCLMUL()">;
782 def HasFMA : Predicate<"Subtarget->hasFMA()">;
783 def UseFMAOnAVX : Predicate<"Subtarget->hasFMA() && !Subtarget->hasAVX512()">;
784 def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
785 def HasXOP : Predicate<"Subtarget->hasXOP()">;
786 def HasTBM : Predicate<"Subtarget->hasTBM()">;
787 def HasMOVBE : Predicate<"Subtarget->hasMOVBE()">;
788 def HasRDRAND : Predicate<"Subtarget->hasRDRAND()">;
789 def HasF16C : Predicate<"Subtarget->hasF16C()">;
790 def HasFSGSBase : Predicate<"Subtarget->hasFSGSBase()">;
791 def HasLZCNT : Predicate<"Subtarget->hasLZCNT()">;
792 def HasBMI : Predicate<"Subtarget->hasBMI()">;
793 def HasBMI2 : Predicate<"Subtarget->hasBMI2()">;
794 def HasRTM : Predicate<"Subtarget->hasRTM()">;
795 def HasHLE : Predicate<"Subtarget->hasHLE()">;
796 def HasTSX : Predicate<"Subtarget->hasRTM() || Subtarget->hasHLE()">;
797 def HasADX : Predicate<"Subtarget->hasADX()">;
798 def HasSHA : Predicate<"Subtarget->hasSHA()">;
799 def HasPRFCHW : Predicate<"Subtarget->hasPRFCHW()">;
800 def HasRDSEED : Predicate<"Subtarget->hasRDSEED()">;
801 def HasPrefetchW : Predicate<"Subtarget->hasPRFCHW()">;
802 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
803 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
804 def HasMPX : Predicate<"Subtarget->hasMPX()">;
805 def HasCmpxchg16b: Predicate<"Subtarget->hasCmpxchg16b()">;
806 def Not64BitMode : Predicate<"!Subtarget->is64Bit()">,
807 AssemblerPredicate<"!Mode64Bit", "Not 64-bit mode">;
808 def In64BitMode : Predicate<"Subtarget->is64Bit()">,
809 AssemblerPredicate<"Mode64Bit", "64-bit mode">;
810 def IsLP64 : Predicate<"Subtarget->isTarget64BitLP64()">;
811 def NotLP64 : Predicate<"!Subtarget->isTarget64BitLP64()">;
812 def In16BitMode : Predicate<"Subtarget->is16Bit()">,
813 AssemblerPredicate<"Mode16Bit", "16-bit mode">;
814 def Not16BitMode : Predicate<"!Subtarget->is16Bit()">,
815 AssemblerPredicate<"!Mode16Bit", "Not 16-bit mode">;
816 def In32BitMode : Predicate<"Subtarget->is32Bit()">,
817 AssemblerPredicate<"Mode32Bit", "32-bit mode">;
818 def IsWin64 : Predicate<"Subtarget->isTargetWin64()">;
819 def NotWin64 : Predicate<"!Subtarget->isTargetWin64()">;
820 def IsPS4 : Predicate<"Subtarget->isTargetPS4()">;
821 def NotPS4 : Predicate<"!Subtarget->isTargetPS4()">;
822 def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
823 def NotNaCl : Predicate<"!Subtarget->isTargetNaCl()">;
824 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
825 def KernelCode : Predicate<"TM.getCodeModel() == CodeModel::Kernel">;
826 def FarData : Predicate<"TM.getCodeModel() != CodeModel::Small &&"
827 "TM.getCodeModel() != CodeModel::Kernel">;
828 def NearData : Predicate<"TM.getCodeModel() == CodeModel::Small ||"
829 "TM.getCodeModel() == CodeModel::Kernel">;
830 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
831 def IsNotPIC : Predicate<"TM.getRelocationModel() != Reloc::PIC_">;
832 def OptForSize : Predicate<"OptForSize">;
833 def OptForSpeed : Predicate<"!OptForSize">;
834 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
835 def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
836 def FavorMemIndirectCall : Predicate<"!Subtarget->callRegIndirect()">;
837 def NotSlowIncDec : Predicate<"!Subtarget->slowIncDec()">;
838 def HasFastMem32 : Predicate<"!Subtarget->isUnalignedMem32Slow()">;
840 //===----------------------------------------------------------------------===//
841 // X86 Instruction Format Definitions.
844 include "X86InstrFormats.td"
846 //===----------------------------------------------------------------------===//
847 // Pattern fragments.
850 // X86 specific condition code. These correspond to CondCode in
851 // X86InstrInfo.h. They must be kept in synch.
852 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
853 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
854 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
855 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
856 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
857 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
858 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
859 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
860 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
861 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
862 def X86_COND_NO : PatLeaf<(i8 10)>;
863 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
864 def X86_COND_NS : PatLeaf<(i8 12)>;
865 def X86_COND_O : PatLeaf<(i8 13)>;
866 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
867 def X86_COND_S : PatLeaf<(i8 15)>;
869 // Predicate used to help when pattern matching LZCNT/TZCNT.
870 def X86_COND_E_OR_NE : ImmLeaf<i8, [{
871 return (Imm == X86::COND_E) || (Imm == X86::COND_NE);
875 def i16immSExt8 : ImmLeaf<i16, [{ return isInt<8>(Imm); }]>;
876 def i32immSExt8 : ImmLeaf<i32, [{ return isInt<8>(Imm); }]>;
877 def i64immSExt8 : ImmLeaf<i64, [{ return isInt<8>(Imm); }]>;
879 // If we have multiple users of an immediate, it's much smaller to reuse
880 // the register, rather than encode the immediate in every instruction.
881 // This has the risk of increasing register pressure from stretched live
882 // ranges, however, the immediates should be trivial to rematerialize by
883 // the RA in the event of high register pressure.
884 // TODO : This is currently enabled for stores and binary ops. There are more
885 // cases for which this can be enabled, though this catches the bulk of the
887 // TODO2 : This should really also be enabled under O2, but there's currently
888 // an issue with RA where we don't pull the constants into their users
889 // when we rematerialize them. I'll follow-up on enabling O2 after we fix that
891 // TODO3 : This is currently limited to single basic blocks (DAG creation
892 // pulls block immediates to the top and merges them if necessary).
893 // Eventually, it would be nice to allow ConstantHoisting to merge constants
894 // globally for potentially added savings.
896 def imm8_su : PatLeaf<(i8 imm), [{
897 return !shouldAvoidImmediateInstFormsForSize(N);
899 def imm16_su : PatLeaf<(i16 imm), [{
900 return !shouldAvoidImmediateInstFormsForSize(N);
902 def imm32_su : PatLeaf<(i32 imm), [{
903 return !shouldAvoidImmediateInstFormsForSize(N);
906 def i16immSExt8_su : PatLeaf<(i16immSExt8), [{
907 return !shouldAvoidImmediateInstFormsForSize(N);
909 def i32immSExt8_su : PatLeaf<(i32immSExt8), [{
910 return !shouldAvoidImmediateInstFormsForSize(N);
914 def i64immSExt32 : ImmLeaf<i64, [{ return isInt<32>(Imm); }]>;
917 // i64immZExt32 predicate - True if the 64-bit immediate fits in a 32-bit
919 def i64immZExt32 : ImmLeaf<i64, [{ return isUInt<32>(Imm); }]>;
921 def i64immZExt32SExt8 : ImmLeaf<i64, [{
922 return isUInt<32>(Imm) && isInt<8>(static_cast<int32_t>(Imm));
925 // Helper fragments for loads.
926 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
927 // known to be 32-bit aligned or better. Ditto for i8 to i16.
928 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
929 LoadSDNode *LD = cast<LoadSDNode>(N);
930 ISD::LoadExtType ExtType = LD->getExtensionType();
931 if (ExtType == ISD::NON_EXTLOAD)
933 if (ExtType == ISD::EXTLOAD)
934 return LD->getAlignment() >= 2 && !LD->isVolatile();
938 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)),[{
939 LoadSDNode *LD = cast<LoadSDNode>(N);
940 ISD::LoadExtType ExtType = LD->getExtensionType();
941 if (ExtType == ISD::EXTLOAD)
942 return LD->getAlignment() >= 2 && !LD->isVolatile();
946 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
947 LoadSDNode *LD = cast<LoadSDNode>(N);
948 ISD::LoadExtType ExtType = LD->getExtensionType();
949 if (ExtType == ISD::NON_EXTLOAD)
951 if (ExtType == ISD::EXTLOAD)
952 return LD->getAlignment() >= 4 && !LD->isVolatile();
956 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
957 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr))>;
958 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
959 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
960 def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr))>;
962 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
963 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
964 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
965 def sextloadi64i8 : PatFrag<(ops node:$ptr), (i64 (sextloadi8 node:$ptr))>;
966 def sextloadi64i16 : PatFrag<(ops node:$ptr), (i64 (sextloadi16 node:$ptr))>;
967 def sextloadi64i32 : PatFrag<(ops node:$ptr), (i64 (sextloadi32 node:$ptr))>;
969 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
970 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
971 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
972 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
973 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
974 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
975 def zextloadi64i1 : PatFrag<(ops node:$ptr), (i64 (zextloadi1 node:$ptr))>;
976 def zextloadi64i8 : PatFrag<(ops node:$ptr), (i64 (zextloadi8 node:$ptr))>;
977 def zextloadi64i16 : PatFrag<(ops node:$ptr), (i64 (zextloadi16 node:$ptr))>;
978 def zextloadi64i32 : PatFrag<(ops node:$ptr), (i64 (zextloadi32 node:$ptr))>;
980 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
981 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
982 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
983 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
984 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
985 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
986 def extloadi64i1 : PatFrag<(ops node:$ptr), (i64 (extloadi1 node:$ptr))>;
987 def extloadi64i8 : PatFrag<(ops node:$ptr), (i64 (extloadi8 node:$ptr))>;
988 def extloadi64i16 : PatFrag<(ops node:$ptr), (i64 (extloadi16 node:$ptr))>;
989 def extloadi64i32 : PatFrag<(ops node:$ptr), (i64 (extloadi32 node:$ptr))>;
992 // An 'and' node with a single use.
993 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
994 return N->hasOneUse();
996 // An 'srl' node with a single use.
997 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
998 return N->hasOneUse();
1000 // An 'trunc' node with a single use.
1001 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
1002 return N->hasOneUse();
1005 //===----------------------------------------------------------------------===//
1006 // Instruction list.
1010 let hasSideEffects = 0, SchedRW = [WriteZero] in {
1011 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", [], IIC_NOP>;
1012 def NOOPW : I<0x1f, MRMXm, (outs), (ins i16mem:$zero),
1013 "nop{w}\t$zero", [], IIC_NOP>, TB, OpSize16;
1014 def NOOPL : I<0x1f, MRMXm, (outs), (ins i32mem:$zero),
1015 "nop{l}\t$zero", [], IIC_NOP>, TB, OpSize32;
1019 // Constructing a stack frame.
1020 def ENTER : Ii16<0xC8, RawFrmImm8, (outs), (ins i16imm:$len, i8imm:$lvl),
1021 "enter\t$len, $lvl", [], IIC_ENTER>, Sched<[WriteMicrocoded]>;
1023 let SchedRW = [WriteALU] in {
1024 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, hasSideEffects=0 in
1025 def LEAVE : I<0xC9, RawFrm,
1026 (outs), (ins), "leave", [], IIC_LEAVE>,
1027 Requires<[Not64BitMode]>;
1029 let Defs = [RBP,RSP], Uses = [RBP,RSP], mayLoad = 1, hasSideEffects = 0 in
1030 def LEAVE64 : I<0xC9, RawFrm,
1031 (outs), (ins), "leave", [], IIC_LEAVE>,
1032 Requires<[In64BitMode]>;
1035 //===----------------------------------------------------------------------===//
1036 // Miscellaneous Instructions.
1039 let Defs = [ESP], Uses = [ESP], hasSideEffects=0 in {
1040 let mayLoad = 1, SchedRW = [WriteLoad] in {
1041 def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", [],
1042 IIC_POP_REG16>, OpSize16;
1043 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", [],
1044 IIC_POP_REG>, OpSize32, Requires<[Not64BitMode]>;
1045 def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", [],
1046 IIC_POP_REG>, OpSize16;
1047 def POP16rmm: I<0x8F, MRM0m, (outs), (ins i16mem:$dst), "pop{w}\t$dst", [],
1048 IIC_POP_MEM>, OpSize16;
1049 def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", [],
1050 IIC_POP_REG>, OpSize32, Requires<[Not64BitMode]>;
1051 def POP32rmm: I<0x8F, MRM0m, (outs), (ins i32mem:$dst), "pop{l}\t$dst", [],
1052 IIC_POP_MEM>, OpSize32, Requires<[Not64BitMode]>;
1053 } // mayLoad, SchedRW
1055 let mayStore = 1, SchedRW = [WriteStore] in {
1056 def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[],
1057 IIC_PUSH_REG>, OpSize16;
1058 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[],
1059 IIC_PUSH_REG>, OpSize32, Requires<[Not64BitMode]>;
1060 def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[],
1061 IIC_PUSH_REG>, OpSize16;
1062 def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[],
1063 IIC_PUSH_REG>, OpSize32, Requires<[Not64BitMode]>;
1065 def PUSH16i8 : Ii8<0x6a, RawFrm, (outs), (ins i16i8imm:$imm),
1066 "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16;
1067 def PUSHi16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
1068 "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize16;
1070 def PUSH32i8 : Ii8<0x6a, RawFrm, (outs), (ins i32i8imm:$imm),
1071 "push{l}\t$imm", [], IIC_PUSH_IMM>, OpSize32,
1072 Requires<[Not64BitMode]>;
1073 def PUSHi32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
1074 "push{l}\t$imm", [], IIC_PUSH_IMM>, OpSize32,
1075 Requires<[Not64BitMode]>;
1076 } // mayStore, SchedRW
1078 let mayLoad = 1, mayStore = 1, SchedRW = [WriteRMW] in {
1079 def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[],
1080 IIC_PUSH_MEM>, OpSize16;
1081 def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[],
1082 IIC_PUSH_MEM>, OpSize32, Requires<[Not64BitMode]>;
1083 } // mayLoad, mayStore, SchedRW
1087 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, hasSideEffects=0,
1088 SchedRW = [WriteLoad] in {
1089 def POPF16 : I<0x9D, RawFrm, (outs), (ins), "popf{w}", [], IIC_POP_F>,
1091 def POPF32 : I<0x9D, RawFrm, (outs), (ins), "popf{l|d}", [], IIC_POP_FD>,
1092 OpSize32, Requires<[Not64BitMode]>;
1095 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, hasSideEffects=0,
1096 SchedRW = [WriteStore] in {
1097 def PUSHF16 : I<0x9C, RawFrm, (outs), (ins), "pushf{w}", [], IIC_PUSH_F>,
1099 def PUSHF32 : I<0x9C, RawFrm, (outs), (ins), "pushf{l|d}", [], IIC_PUSH_F>,
1100 OpSize32, Requires<[Not64BitMode]>;
1103 let Defs = [RSP], Uses = [RSP], hasSideEffects=0 in {
1104 let mayLoad = 1, SchedRW = [WriteLoad] in {
1105 def POP64r : I<0x58, AddRegFrm, (outs GR64:$reg), (ins), "pop{q}\t$reg", [],
1106 IIC_POP_REG>, OpSize32, Requires<[In64BitMode]>;
1107 def POP64rmr: I<0x8F, MRM0r, (outs GR64:$reg), (ins), "pop{q}\t$reg", [],
1108 IIC_POP_REG>, OpSize32, Requires<[In64BitMode]>;
1109 def POP64rmm: I<0x8F, MRM0m, (outs), (ins i64mem:$dst), "pop{q}\t$dst", [],
1110 IIC_POP_MEM>, OpSize32, Requires<[In64BitMode]>;
1111 } // mayLoad, SchedRW
1112 let mayStore = 1, SchedRW = [WriteStore] in {
1113 def PUSH64r : I<0x50, AddRegFrm, (outs), (ins GR64:$reg), "push{q}\t$reg", [],
1114 IIC_PUSH_REG>, OpSize32, Requires<[In64BitMode]>;
1115 def PUSH64rmr: I<0xFF, MRM6r, (outs), (ins GR64:$reg), "push{q}\t$reg", [],
1116 IIC_PUSH_REG>, OpSize32, Requires<[In64BitMode]>;
1117 } // mayStore, SchedRW
1118 let mayLoad = 1, mayStore = 1, SchedRW = [WriteRMW] in {
1119 def PUSH64rmm: I<0xFF, MRM6m, (outs), (ins i64mem:$src), "push{q}\t$src", [],
1120 IIC_PUSH_MEM>, OpSize32, Requires<[In64BitMode]>;
1121 } // mayLoad, mayStore, SchedRW
1124 let Defs = [RSP], Uses = [RSP], hasSideEffects = 0, mayStore = 1,
1125 SchedRW = [WriteStore] in {
1126 def PUSH64i8 : Ii8<0x6a, RawFrm, (outs), (ins i64i8imm:$imm),
1127 "push{q}\t$imm", [], IIC_PUSH_IMM>, Requires<[In64BitMode]>;
1128 def PUSH64i32 : Ii32S<0x68, RawFrm, (outs), (ins i64i32imm:$imm),
1129 "push{q}\t$imm", [], IIC_PUSH_IMM>, OpSize32,
1130 Requires<[In64BitMode]>;
1133 let Defs = [RSP, EFLAGS], Uses = [RSP], mayLoad = 1, hasSideEffects=0 in
1134 def POPF64 : I<0x9D, RawFrm, (outs), (ins), "popfq", [], IIC_POP_FD>,
1135 OpSize32, Requires<[In64BitMode]>, Sched<[WriteLoad]>;
1136 let Defs = [RSP], Uses = [RSP, EFLAGS], mayStore = 1, hasSideEffects=0 in
1137 def PUSHF64 : I<0x9C, RawFrm, (outs), (ins), "pushfq", [], IIC_PUSH_F>,
1138 OpSize32, Requires<[In64BitMode]>, Sched<[WriteStore]>;
1140 let Defs = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP], Uses = [ESP],
1141 mayLoad = 1, hasSideEffects = 0, SchedRW = [WriteLoad] in {
1142 def POPA32 : I<0x61, RawFrm, (outs), (ins), "popal", [], IIC_POP_A>,
1143 OpSize32, Requires<[Not64BitMode]>;
1144 def POPA16 : I<0x61, RawFrm, (outs), (ins), "popaw", [], IIC_POP_A>,
1145 OpSize16, Requires<[Not64BitMode]>;
1147 let Defs = [ESP], Uses = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP],
1148 mayStore = 1, hasSideEffects = 0, SchedRW = [WriteStore] in {
1149 def PUSHA32 : I<0x60, RawFrm, (outs), (ins), "pushal", [], IIC_PUSH_A>,
1150 OpSize32, Requires<[Not64BitMode]>;
1151 def PUSHA16 : I<0x60, RawFrm, (outs), (ins), "pushaw", [], IIC_PUSH_A>,
1152 OpSize16, Requires<[Not64BitMode]>;
1155 let Constraints = "$src = $dst", SchedRW = [WriteALU] in {
1156 // GR32 = bswap GR32
1157 def BSWAP32r : I<0xC8, AddRegFrm,
1158 (outs GR32:$dst), (ins GR32:$src),
1160 [(set GR32:$dst, (bswap GR32:$src))], IIC_BSWAP>, OpSize32, TB;
1162 def BSWAP64r : RI<0xC8, AddRegFrm, (outs GR64:$dst), (ins GR64:$src),
1164 [(set GR64:$dst, (bswap GR64:$src))], IIC_BSWAP>, TB;
1165 } // Constraints = "$src = $dst", SchedRW
1167 // Bit scan instructions.
1168 let Defs = [EFLAGS] in {
1169 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1170 "bsf{w}\t{$src, $dst|$dst, $src}",
1171 [(set GR16:$dst, EFLAGS, (X86bsf GR16:$src))],
1172 IIC_BIT_SCAN_REG>, PS, OpSize16, Sched<[WriteShift]>;
1173 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1174 "bsf{w}\t{$src, $dst|$dst, $src}",
1175 [(set GR16:$dst, EFLAGS, (X86bsf (loadi16 addr:$src)))],
1176 IIC_BIT_SCAN_MEM>, PS, OpSize16, Sched<[WriteShiftLd]>;
1177 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1178 "bsf{l}\t{$src, $dst|$dst, $src}",
1179 [(set GR32:$dst, EFLAGS, (X86bsf GR32:$src))],
1180 IIC_BIT_SCAN_REG>, PS, OpSize32, Sched<[WriteShift]>;
1181 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1182 "bsf{l}\t{$src, $dst|$dst, $src}",
1183 [(set GR32:$dst, EFLAGS, (X86bsf (loadi32 addr:$src)))],
1184 IIC_BIT_SCAN_MEM>, PS, OpSize32, Sched<[WriteShiftLd]>;
1185 def BSF64rr : RI<0xBC, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1186 "bsf{q}\t{$src, $dst|$dst, $src}",
1187 [(set GR64:$dst, EFLAGS, (X86bsf GR64:$src))],
1188 IIC_BIT_SCAN_REG>, PS, Sched<[WriteShift]>;
1189 def BSF64rm : RI<0xBC, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1190 "bsf{q}\t{$src, $dst|$dst, $src}",
1191 [(set GR64:$dst, EFLAGS, (X86bsf (loadi64 addr:$src)))],
1192 IIC_BIT_SCAN_MEM>, PS, Sched<[WriteShiftLd]>;
1194 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1195 "bsr{w}\t{$src, $dst|$dst, $src}",
1196 [(set GR16:$dst, EFLAGS, (X86bsr GR16:$src))],
1197 IIC_BIT_SCAN_REG>, PS, OpSize16, Sched<[WriteShift]>;
1198 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1199 "bsr{w}\t{$src, $dst|$dst, $src}",
1200 [(set GR16:$dst, EFLAGS, (X86bsr (loadi16 addr:$src)))],
1201 IIC_BIT_SCAN_MEM>, PS, OpSize16, Sched<[WriteShiftLd]>;
1202 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1203 "bsr{l}\t{$src, $dst|$dst, $src}",
1204 [(set GR32:$dst, EFLAGS, (X86bsr GR32:$src))],
1205 IIC_BIT_SCAN_REG>, PS, OpSize32, Sched<[WriteShift]>;
1206 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1207 "bsr{l}\t{$src, $dst|$dst, $src}",
1208 [(set GR32:$dst, EFLAGS, (X86bsr (loadi32 addr:$src)))],
1209 IIC_BIT_SCAN_MEM>, PS, OpSize32, Sched<[WriteShiftLd]>;
1210 def BSR64rr : RI<0xBD, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1211 "bsr{q}\t{$src, $dst|$dst, $src}",
1212 [(set GR64:$dst, EFLAGS, (X86bsr GR64:$src))],
1213 IIC_BIT_SCAN_REG>, PS, Sched<[WriteShift]>;
1214 def BSR64rm : RI<0xBD, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1215 "bsr{q}\t{$src, $dst|$dst, $src}",
1216 [(set GR64:$dst, EFLAGS, (X86bsr (loadi64 addr:$src)))],
1217 IIC_BIT_SCAN_MEM>, PS, Sched<[WriteShiftLd]>;
1218 } // Defs = [EFLAGS]
1220 let SchedRW = [WriteMicrocoded] in {
1221 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1222 let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in {
1223 def MOVSB : I<0xA4, RawFrmDstSrc, (outs dstidx8:$dst), (ins srcidx8:$src),
1224 "movsb\t{$src, $dst|$dst, $src}", [], IIC_MOVS>;
1225 def MOVSW : I<0xA5, RawFrmDstSrc, (outs dstidx16:$dst), (ins srcidx16:$src),
1226 "movsw\t{$src, $dst|$dst, $src}", [], IIC_MOVS>, OpSize16;
1227 def MOVSL : I<0xA5, RawFrmDstSrc, (outs dstidx32:$dst), (ins srcidx32:$src),
1228 "movs{l|d}\t{$src, $dst|$dst, $src}", [], IIC_MOVS>, OpSize32;
1229 def MOVSQ : RI<0xA5, RawFrmDstSrc, (outs dstidx64:$dst), (ins srcidx64:$src),
1230 "movsq\t{$src, $dst|$dst, $src}", [], IIC_MOVS>;
1233 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1234 let Defs = [EDI], Uses = [AL,EDI,EFLAGS] in
1235 def STOSB : I<0xAA, RawFrmDst, (outs dstidx8:$dst), (ins),
1236 "stosb\t{%al, $dst|$dst, al}", [], IIC_STOS>;
1237 let Defs = [EDI], Uses = [AX,EDI,EFLAGS] in
1238 def STOSW : I<0xAB, RawFrmDst, (outs dstidx16:$dst), (ins),
1239 "stosw\t{%ax, $dst|$dst, ax}", [], IIC_STOS>, OpSize16;
1240 let Defs = [EDI], Uses = [EAX,EDI,EFLAGS] in
1241 def STOSL : I<0xAB, RawFrmDst, (outs dstidx32:$dst), (ins),
1242 "stos{l|d}\t{%eax, $dst|$dst, eax}", [], IIC_STOS>, OpSize32;
1243 let Defs = [RCX,RDI], Uses = [RAX,RCX,RDI,EFLAGS] in
1244 def STOSQ : RI<0xAB, RawFrmDst, (outs dstidx64:$dst), (ins),
1245 "stosq\t{%rax, $dst|$dst, rax}", [], IIC_STOS>;
1247 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1248 let Defs = [EDI,EFLAGS], Uses = [AL,EDI,EFLAGS] in
1249 def SCASB : I<0xAE, RawFrmDst, (outs), (ins dstidx8:$dst),
1250 "scasb\t{$dst, %al|al, $dst}", [], IIC_SCAS>;
1251 let Defs = [EDI,EFLAGS], Uses = [AX,EDI,EFLAGS] in
1252 def SCASW : I<0xAF, RawFrmDst, (outs), (ins dstidx16:$dst),
1253 "scasw\t{$dst, %ax|ax, $dst}", [], IIC_SCAS>, OpSize16;
1254 let Defs = [EDI,EFLAGS], Uses = [EAX,EDI,EFLAGS] in
1255 def SCASL : I<0xAF, RawFrmDst, (outs), (ins dstidx32:$dst),
1256 "scas{l|d}\t{$dst, %eax|eax, $dst}", [], IIC_SCAS>, OpSize32;
1257 let Defs = [EDI,EFLAGS], Uses = [RAX,EDI,EFLAGS] in
1258 def SCASQ : RI<0xAF, RawFrmDst, (outs), (ins dstidx64:$dst),
1259 "scasq\t{$dst, %rax|rax, $dst}", [], IIC_SCAS>;
1261 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1262 let Defs = [EDI,ESI,EFLAGS], Uses = [EDI,ESI,EFLAGS] in {
1263 def CMPSB : I<0xA6, RawFrmDstSrc, (outs), (ins dstidx8:$dst, srcidx8:$src),
1264 "cmpsb\t{$dst, $src|$src, $dst}", [], IIC_CMPS>;
1265 def CMPSW : I<0xA7, RawFrmDstSrc, (outs), (ins dstidx16:$dst, srcidx16:$src),
1266 "cmpsw\t{$dst, $src|$src, $dst}", [], IIC_CMPS>, OpSize16;
1267 def CMPSL : I<0xA7, RawFrmDstSrc, (outs), (ins dstidx32:$dst, srcidx32:$src),
1268 "cmps{l|d}\t{$dst, $src|$src, $dst}", [], IIC_CMPS>, OpSize32;
1269 def CMPSQ : RI<0xA7, RawFrmDstSrc, (outs), (ins dstidx64:$dst, srcidx64:$src),
1270 "cmpsq\t{$dst, $src|$src, $dst}", [], IIC_CMPS>;
1274 //===----------------------------------------------------------------------===//
1275 // Move Instructions.
1277 let SchedRW = [WriteMove] in {
1278 let hasSideEffects = 0 in {
1279 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
1280 "mov{b}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1281 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1282 "mov{w}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize16;
1283 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
1284 "mov{l}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize32;
1285 def MOV64rr : RI<0x89, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
1286 "mov{q}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1289 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
1290 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
1291 "mov{b}\t{$src, $dst|$dst, $src}",
1292 [(set GR8:$dst, imm:$src)], IIC_MOV>;
1293 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
1294 "mov{w}\t{$src, $dst|$dst, $src}",
1295 [(set GR16:$dst, imm:$src)], IIC_MOV>, OpSize16;
1296 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
1297 "mov{l}\t{$src, $dst|$dst, $src}",
1298 [(set GR32:$dst, imm:$src)], IIC_MOV>, OpSize32;
1299 def MOV64ri32 : RIi32S<0xC7, MRM0r, (outs GR64:$dst), (ins i64i32imm:$src),
1300 "mov{q}\t{$src, $dst|$dst, $src}",
1301 [(set GR64:$dst, i64immSExt32:$src)], IIC_MOV>;
1303 let isReMaterializable = 1 in {
1304 def MOV64ri : RIi64<0xB8, AddRegFrm, (outs GR64:$dst), (ins i64imm:$src),
1305 "movabs{q}\t{$src, $dst|$dst, $src}",
1306 [(set GR64:$dst, imm:$src)], IIC_MOV>;
1309 // Longer forms that use a ModR/M byte. Needed for disassembler
1310 let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0 in {
1311 def MOV8ri_alt : Ii8 <0xC6, MRM0r, (outs GR8 :$dst), (ins i8imm :$src),
1312 "mov{b}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1313 def MOV16ri_alt : Ii16<0xC7, MRM0r, (outs GR16:$dst), (ins i16imm:$src),
1314 "mov{w}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize16;
1315 def MOV32ri_alt : Ii32<0xC7, MRM0r, (outs GR32:$dst), (ins i32imm:$src),
1316 "mov{l}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize32;
1320 let SchedRW = [WriteStore] in {
1321 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
1322 "mov{b}\t{$src, $dst|$dst, $src}",
1323 [(store (i8 imm8_su:$src), addr:$dst)], IIC_MOV_MEM>;
1324 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
1325 "mov{w}\t{$src, $dst|$dst, $src}",
1326 [(store (i16 imm16_su:$src), addr:$dst)], IIC_MOV_MEM>, OpSize16;
1327 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
1328 "mov{l}\t{$src, $dst|$dst, $src}",
1329 [(store (i32 imm32_su:$src), addr:$dst)], IIC_MOV_MEM>, OpSize32;
1330 def MOV64mi32 : RIi32S<0xC7, MRM0m, (outs), (ins i64mem:$dst, i64i32imm:$src),
1331 "mov{q}\t{$src, $dst|$dst, $src}",
1332 [(store i64immSExt32:$src, addr:$dst)], IIC_MOV_MEM>;
1335 let hasSideEffects = 0 in {
1337 /// Memory offset versions of moves. The immediate is an address mode sized
1338 /// offset from the segment base.
1339 let SchedRW = [WriteALU] in {
1340 let mayLoad = 1 in {
1342 def MOV8ao32 : Ii32<0xA0, RawFrmMemOffs, (outs), (ins offset32_8:$src),
1343 "mov{b}\t{$src, %al|al, $src}", [], IIC_MOV_MEM>,
1346 def MOV16ao32 : Ii32<0xA1, RawFrmMemOffs, (outs), (ins offset32_16:$src),
1347 "mov{w}\t{$src, %ax|ax, $src}", [], IIC_MOV_MEM>,
1350 def MOV32ao32 : Ii32<0xA1, RawFrmMemOffs, (outs), (ins offset32_32:$src),
1351 "mov{l}\t{$src, %eax|eax, $src}", [], IIC_MOV_MEM>,
1354 def MOV64ao32 : RIi32<0xA1, RawFrmMemOffs, (outs), (ins offset32_64:$src),
1355 "mov{q}\t{$src, %rax|rax, $src}", [], IIC_MOV_MEM>,
1359 def MOV8ao16 : Ii16<0xA0, RawFrmMemOffs, (outs), (ins offset16_8:$src),
1360 "mov{b}\t{$src, %al|al, $src}", [], IIC_MOV_MEM>, AdSize16;
1362 def MOV16ao16 : Ii16<0xA1, RawFrmMemOffs, (outs), (ins offset16_16:$src),
1363 "mov{w}\t{$src, %ax|ax, $src}", [], IIC_MOV_MEM>,
1366 def MOV32ao16 : Ii16<0xA1, RawFrmMemOffs, (outs), (ins offset16_32:$src),
1367 "mov{l}\t{$src, %eax|eax, $src}", [], IIC_MOV_MEM>,
1370 let mayStore = 1 in {
1372 def MOV8o32a : Ii32<0xA2, RawFrmMemOffs, (outs offset32_8:$dst), (ins),
1373 "mov{b}\t{%al, $dst|$dst, al}", [], IIC_MOV_MEM>, AdSize32;
1375 def MOV16o32a : Ii32<0xA3, RawFrmMemOffs, (outs offset32_16:$dst), (ins),
1376 "mov{w}\t{%ax, $dst|$dst, ax}", [], IIC_MOV_MEM>,
1379 def MOV32o32a : Ii32<0xA3, RawFrmMemOffs, (outs offset32_32:$dst), (ins),
1380 "mov{l}\t{%eax, $dst|$dst, eax}", [], IIC_MOV_MEM>,
1383 def MOV64o32a : RIi32<0xA3, RawFrmMemOffs, (outs offset32_64:$dst), (ins),
1384 "mov{q}\t{%rax, $dst|$dst, rax}", [], IIC_MOV_MEM>,
1388 def MOV8o16a : Ii16<0xA2, RawFrmMemOffs, (outs offset16_8:$dst), (ins),
1389 "mov{b}\t{%al, $dst|$dst, al}", [], IIC_MOV_MEM>, AdSize16;
1391 def MOV16o16a : Ii16<0xA3, RawFrmMemOffs, (outs offset16_16:$dst), (ins),
1392 "mov{w}\t{%ax, $dst|$dst, ax}", [], IIC_MOV_MEM>,
1395 def MOV32o16a : Ii16<0xA3, RawFrmMemOffs, (outs offset16_32:$dst), (ins),
1396 "mov{l}\t{%eax, $dst|$dst, eax}", [], IIC_MOV_MEM>,
1401 // These forms all have full 64-bit absolute addresses in their instructions
1402 // and use the movabs mnemonic to indicate this specific form.
1403 let mayLoad = 1 in {
1405 def MOV8ao64 : RIi64_NOREX<0xA0, RawFrmMemOffs, (outs), (ins offset64_8:$src),
1406 "movabs{b}\t{$src, %al|al, $src}", []>, AdSize64;
1408 def MOV16ao64 : RIi64_NOREX<0xA1, RawFrmMemOffs, (outs), (ins offset64_16:$src),
1409 "movabs{w}\t{$src, %ax|ax, $src}", []>, OpSize16, AdSize64;
1411 def MOV32ao64 : RIi64_NOREX<0xA1, RawFrmMemOffs, (outs), (ins offset64_32:$src),
1412 "movabs{l}\t{$src, %eax|eax, $src}", []>, OpSize32,
1415 def MOV64ao64 : RIi64<0xA1, RawFrmMemOffs, (outs), (ins offset64_64:$src),
1416 "movabs{q}\t{$src, %rax|rax, $src}", []>, AdSize64;
1419 let mayStore = 1 in {
1421 def MOV8o64a : RIi64_NOREX<0xA2, RawFrmMemOffs, (outs offset64_8:$dst), (ins),
1422 "movabs{b}\t{%al, $dst|$dst, al}", []>, AdSize64;
1424 def MOV16o64a : RIi64_NOREX<0xA3, RawFrmMemOffs, (outs offset64_16:$dst), (ins),
1425 "movabs{w}\t{%ax, $dst|$dst, ax}", []>, OpSize16, AdSize64;
1427 def MOV32o64a : RIi64_NOREX<0xA3, RawFrmMemOffs, (outs offset64_32:$dst), (ins),
1428 "movabs{l}\t{%eax, $dst|$dst, eax}", []>, OpSize32,
1431 def MOV64o64a : RIi64<0xA3, RawFrmMemOffs, (outs offset64_64:$dst), (ins),
1432 "movabs{q}\t{%rax, $dst|$dst, rax}", []>, AdSize64;
1434 } // hasSideEffects = 0
1436 let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0,
1437 SchedRW = [WriteMove] in {
1438 def MOV8rr_REV : I<0x8A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src),
1439 "mov{b}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1440 def MOV16rr_REV : I<0x8B, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1441 "mov{w}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize16;
1442 def MOV32rr_REV : I<0x8B, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1443 "mov{l}\t{$src, $dst|$dst, $src}", [], IIC_MOV>, OpSize32;
1444 def MOV64rr_REV : RI<0x8B, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
1445 "mov{q}\t{$src, $dst|$dst, $src}", [], IIC_MOV>;
1448 let canFoldAsLoad = 1, isReMaterializable = 1, SchedRW = [WriteLoad] in {
1449 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
1450 "mov{b}\t{$src, $dst|$dst, $src}",
1451 [(set GR8:$dst, (loadi8 addr:$src))], IIC_MOV_MEM>;
1452 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1453 "mov{w}\t{$src, $dst|$dst, $src}",
1454 [(set GR16:$dst, (loadi16 addr:$src))], IIC_MOV_MEM>, OpSize16;
1455 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1456 "mov{l}\t{$src, $dst|$dst, $src}",
1457 [(set GR32:$dst, (loadi32 addr:$src))], IIC_MOV_MEM>, OpSize32;
1458 def MOV64rm : RI<0x8B, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
1459 "mov{q}\t{$src, $dst|$dst, $src}",
1460 [(set GR64:$dst, (load addr:$src))], IIC_MOV_MEM>;
1463 let SchedRW = [WriteStore] in {
1464 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
1465 "mov{b}\t{$src, $dst|$dst, $src}",
1466 [(store GR8:$src, addr:$dst)], IIC_MOV_MEM>;
1467 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1468 "mov{w}\t{$src, $dst|$dst, $src}",
1469 [(store GR16:$src, addr:$dst)], IIC_MOV_MEM>, OpSize16;
1470 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1471 "mov{l}\t{$src, $dst|$dst, $src}",
1472 [(store GR32:$src, addr:$dst)], IIC_MOV_MEM>, OpSize32;
1473 def MOV64mr : RI<0x89, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
1474 "mov{q}\t{$src, $dst|$dst, $src}",
1475 [(store GR64:$src, addr:$dst)], IIC_MOV_MEM>;
1478 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
1479 // that they can be used for copying and storing h registers, which can't be
1480 // encoded when a REX prefix is present.
1481 let isCodeGenOnly = 1 in {
1482 let hasSideEffects = 0 in
1483 def MOV8rr_NOREX : I<0x88, MRMDestReg,
1484 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
1485 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [], IIC_MOV>,
1487 let mayStore = 1, hasSideEffects = 0 in
1488 def MOV8mr_NOREX : I<0x88, MRMDestMem,
1489 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
1490 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [],
1491 IIC_MOV_MEM>, Sched<[WriteStore]>;
1492 let mayLoad = 1, hasSideEffects = 0,
1493 canFoldAsLoad = 1, isReMaterializable = 1 in
1494 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
1495 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
1496 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", [],
1497 IIC_MOV_MEM>, Sched<[WriteLoad]>;
1501 // Condition code ops, incl. set if equal/not equal/...
1502 let SchedRW = [WriteALU] in {
1503 let Defs = [EFLAGS], Uses = [AH] in
1504 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf",
1505 [(set EFLAGS, (X86sahf AH))], IIC_AHF>;
1506 let Defs = [AH], Uses = [EFLAGS], hasSideEffects = 0 in
1507 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", [],
1508 IIC_AHF>; // AH = flags
1511 //===----------------------------------------------------------------------===//
1512 // Bit tests instructions: BT, BTS, BTR, BTC.
1514 let Defs = [EFLAGS] in {
1515 let SchedRW = [WriteALU] in {
1516 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
1517 "bt{w}\t{$src2, $src1|$src1, $src2}",
1518 [(set EFLAGS, (X86bt GR16:$src1, GR16:$src2))], IIC_BT_RR>,
1520 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
1521 "bt{l}\t{$src2, $src1|$src1, $src2}",
1522 [(set EFLAGS, (X86bt GR32:$src1, GR32:$src2))], IIC_BT_RR>,
1524 def BT64rr : RI<0xA3, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
1525 "bt{q}\t{$src2, $src1|$src1, $src2}",
1526 [(set EFLAGS, (X86bt GR64:$src1, GR64:$src2))], IIC_BT_RR>, TB;
1529 // Unlike with the register+register form, the memory+register form of the
1530 // bt instruction does not ignore the high bits of the index. From ISel's
1531 // perspective, this is pretty bizarre. Make these instructions disassembly
1534 let mayLoad = 1, hasSideEffects = 0, SchedRW = [WriteALULd] in {
1535 def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
1536 "bt{w}\t{$src2, $src1|$src1, $src2}",
1537 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
1538 // (implicit EFLAGS)]
1540 >, OpSize16, TB, Requires<[FastBTMem]>;
1541 def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
1542 "bt{l}\t{$src2, $src1|$src1, $src2}",
1543 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
1544 // (implicit EFLAGS)]
1546 >, OpSize32, TB, Requires<[FastBTMem]>;
1547 def BT64mr : RI<0xA3, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
1548 "bt{q}\t{$src2, $src1|$src1, $src2}",
1549 // [(X86bt (loadi64 addr:$src1), GR64:$src2),
1550 // (implicit EFLAGS)]
1555 let SchedRW = [WriteALU] in {
1556 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
1557 "bt{w}\t{$src2, $src1|$src1, $src2}",
1558 [(set EFLAGS, (X86bt GR16:$src1, i16immSExt8:$src2))],
1559 IIC_BT_RI>, OpSize16, TB;
1560 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
1561 "bt{l}\t{$src2, $src1|$src1, $src2}",
1562 [(set EFLAGS, (X86bt GR32:$src1, i32immSExt8:$src2))],
1563 IIC_BT_RI>, OpSize32, TB;
1564 def BT64ri8 : RIi8<0xBA, MRM4r, (outs), (ins GR64:$src1, i64i8imm:$src2),
1565 "bt{q}\t{$src2, $src1|$src1, $src2}",
1566 [(set EFLAGS, (X86bt GR64:$src1, i64immSExt8:$src2))],
1570 // Note that these instructions don't need FastBTMem because that
1571 // only applies when the other operand is in a register. When it's
1572 // an immediate, bt is still fast.
1573 let SchedRW = [WriteALU] in {
1574 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
1575 "bt{w}\t{$src2, $src1|$src1, $src2}",
1576 [(set EFLAGS, (X86bt (loadi16 addr:$src1), i16immSExt8:$src2))
1577 ], IIC_BT_MI>, OpSize16, TB;
1578 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
1579 "bt{l}\t{$src2, $src1|$src1, $src2}",
1580 [(set EFLAGS, (X86bt (loadi32 addr:$src1), i32immSExt8:$src2))
1581 ], IIC_BT_MI>, OpSize32, TB;
1582 def BT64mi8 : RIi8<0xBA, MRM4m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
1583 "bt{q}\t{$src2, $src1|$src1, $src2}",
1584 [(set EFLAGS, (X86bt (loadi64 addr:$src1),
1585 i64immSExt8:$src2))], IIC_BT_MI>, TB;
1588 let hasSideEffects = 0 in {
1589 let SchedRW = [WriteALU] in {
1590 def BTC16rr : I<0xBB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
1591 "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1593 def BTC32rr : I<0xBB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
1594 "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1596 def BTC64rr : RI<0xBB, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
1597 "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>, TB;
1600 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1601 def BTC16mr : I<0xBB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
1602 "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1604 def BTC32mr : I<0xBB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
1605 "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1607 def BTC64mr : RI<0xBB, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
1608 "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, TB;
1611 let SchedRW = [WriteALU] in {
1612 def BTC16ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR16:$src1, i16i8imm:$src2),
1613 "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1615 def BTC32ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR32:$src1, i32i8imm:$src2),
1616 "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1618 def BTC64ri8 : RIi8<0xBA, MRM7r, (outs), (ins GR64:$src1, i64i8imm:$src2),
1619 "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, TB;
1622 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1623 def BTC16mi8 : Ii8<0xBA, MRM7m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
1624 "btc{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1626 def BTC32mi8 : Ii8<0xBA, MRM7m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
1627 "btc{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1629 def BTC64mi8 : RIi8<0xBA, MRM7m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
1630 "btc{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, TB;
1633 let SchedRW = [WriteALU] in {
1634 def BTR16rr : I<0xB3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
1635 "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1637 def BTR32rr : I<0xB3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
1638 "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1640 def BTR64rr : RI<0xB3, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
1641 "btr{q}\t{$src2, $src1|$src1, $src2}", []>, TB;
1644 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1645 def BTR16mr : I<0xB3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
1646 "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1648 def BTR32mr : I<0xB3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
1649 "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1651 def BTR64mr : RI<0xB3, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
1652 "btr{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, TB;
1655 let SchedRW = [WriteALU] in {
1656 def BTR16ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR16:$src1, i16i8imm:$src2),
1657 "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1659 def BTR32ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR32:$src1, i32i8imm:$src2),
1660 "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1662 def BTR64ri8 : RIi8<0xBA, MRM6r, (outs), (ins GR64:$src1, i64i8imm:$src2),
1663 "btr{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, TB;
1666 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1667 def BTR16mi8 : Ii8<0xBA, MRM6m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
1668 "btr{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1670 def BTR32mi8 : Ii8<0xBA, MRM6m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
1671 "btr{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1673 def BTR64mi8 : RIi8<0xBA, MRM6m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
1674 "btr{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, TB;
1677 let SchedRW = [WriteALU] in {
1678 def BTS16rr : I<0xAB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
1679 "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1681 def BTS32rr : I<0xAB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
1682 "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>,
1684 def BTS64rr : RI<0xAB, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2),
1685 "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RR>, TB;
1688 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1689 def BTS16mr : I<0xAB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
1690 "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1692 def BTS32mr : I<0xAB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
1693 "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>,
1695 def BTS64mr : RI<0xAB, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2),
1696 "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MR>, TB;
1699 let SchedRW = [WriteALU] in {
1700 def BTS16ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR16:$src1, i16i8imm:$src2),
1701 "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1703 def BTS32ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR32:$src1, i32i8imm:$src2),
1704 "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>,
1706 def BTS64ri8 : RIi8<0xBA, MRM5r, (outs), (ins GR64:$src1, i64i8imm:$src2),
1707 "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_RI>, TB;
1710 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1711 def BTS16mi8 : Ii8<0xBA, MRM5m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
1712 "bts{w}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1714 def BTS32mi8 : Ii8<0xBA, MRM5m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
1715 "bts{l}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>,
1717 def BTS64mi8 : RIi8<0xBA, MRM5m, (outs), (ins i64mem:$src1, i64i8imm:$src2),
1718 "bts{q}\t{$src2, $src1|$src1, $src2}", [], IIC_BTX_MI>, TB;
1720 } // hasSideEffects = 0
1721 } // Defs = [EFLAGS]
1724 //===----------------------------------------------------------------------===//
1728 // Atomic swap. These are just normal xchg instructions. But since a memory
1729 // operand is referenced, the atomicity is ensured.
1730 multiclass ATOMIC_SWAP<bits<8> opc8, bits<8> opc, string mnemonic, string frag,
1731 InstrItinClass itin> {
1732 let Constraints = "$val = $dst", SchedRW = [WriteALULd, WriteRMW] in {
1733 def NAME#8rm : I<opc8, MRMSrcMem, (outs GR8:$dst),
1734 (ins GR8:$val, i8mem:$ptr),
1735 !strconcat(mnemonic, "{b}\t{$val, $ptr|$ptr, $val}"),
1738 (!cast<PatFrag>(frag # "_8") addr:$ptr, GR8:$val))],
1740 def NAME#16rm : I<opc, MRMSrcMem, (outs GR16:$dst),
1741 (ins GR16:$val, i16mem:$ptr),
1742 !strconcat(mnemonic, "{w}\t{$val, $ptr|$ptr, $val}"),
1745 (!cast<PatFrag>(frag # "_16") addr:$ptr, GR16:$val))],
1747 def NAME#32rm : I<opc, MRMSrcMem, (outs GR32:$dst),
1748 (ins GR32:$val, i32mem:$ptr),
1749 !strconcat(mnemonic, "{l}\t{$val, $ptr|$ptr, $val}"),
1752 (!cast<PatFrag>(frag # "_32") addr:$ptr, GR32:$val))],
1754 def NAME#64rm : RI<opc, MRMSrcMem, (outs GR64:$dst),
1755 (ins GR64:$val, i64mem:$ptr),
1756 !strconcat(mnemonic, "{q}\t{$val, $ptr|$ptr, $val}"),
1759 (!cast<PatFrag>(frag # "_64") addr:$ptr, GR64:$val))],
1764 defm XCHG : ATOMIC_SWAP<0x86, 0x87, "xchg", "atomic_swap", IIC_XCHG_MEM>;
1766 // Swap between registers.
1767 let SchedRW = [WriteALU] in {
1768 let Constraints = "$val = $dst" in {
1769 def XCHG8rr : I<0x86, MRMSrcReg, (outs GR8:$dst), (ins GR8:$val, GR8:$src),
1770 "xchg{b}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>;
1771 def XCHG16rr : I<0x87, MRMSrcReg, (outs GR16:$dst), (ins GR16:$val, GR16:$src),
1772 "xchg{w}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>,
1774 def XCHG32rr : I<0x87, MRMSrcReg, (outs GR32:$dst), (ins GR32:$val, GR32:$src),
1775 "xchg{l}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>,
1777 def XCHG64rr : RI<0x87, MRMSrcReg, (outs GR64:$dst), (ins GR64:$val,GR64:$src),
1778 "xchg{q}\t{$val, $src|$src, $val}", [], IIC_XCHG_REG>;
1781 // Swap between EAX and other registers.
1782 let Uses = [AX], Defs = [AX] in
1783 def XCHG16ar : I<0x90, AddRegFrm, (outs), (ins GR16:$src),
1784 "xchg{w}\t{$src, %ax|ax, $src}", [], IIC_XCHG_REG>, OpSize16;
1785 let Uses = [EAX], Defs = [EAX] in
1786 def XCHG32ar : I<0x90, AddRegFrm, (outs), (ins GR32:$src),
1787 "xchg{l}\t{$src, %eax|eax, $src}", [], IIC_XCHG_REG>,
1788 OpSize32, Requires<[Not64BitMode]>;
1789 let Uses = [EAX], Defs = [EAX] in
1790 // Uses GR32_NOAX in 64-bit mode to prevent encoding using the 0x90 NOP encoding.
1791 // xchg %eax, %eax needs to clear upper 32-bits of RAX so is not a NOP.
1792 def XCHG32ar64 : I<0x90, AddRegFrm, (outs), (ins GR32_NOAX:$src),
1793 "xchg{l}\t{$src, %eax|eax, $src}", [], IIC_XCHG_REG>,
1794 OpSize32, Requires<[In64BitMode]>;
1795 let Uses = [RAX], Defs = [RAX] in
1796 def XCHG64ar : RI<0x90, AddRegFrm, (outs), (ins GR64:$src),
1797 "xchg{q}\t{$src, %rax|rax, $src}", [], IIC_XCHG_REG>;
1800 let SchedRW = [WriteALU] in {
1801 def XADD8rr : I<0xC0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
1802 "xadd{b}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB;
1803 def XADD16rr : I<0xC1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1804 "xadd{w}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB,
1806 def XADD32rr : I<0xC1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
1807 "xadd{l}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB,
1809 def XADD64rr : RI<0xC1, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
1810 "xadd{q}\t{$src, $dst|$dst, $src}", [], IIC_XADD_REG>, TB;
1813 let mayLoad = 1, mayStore = 1, SchedRW = [WriteALULd, WriteRMW] in {
1814 def XADD8rm : I<0xC0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1815 "xadd{b}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB;
1816 def XADD16rm : I<0xC1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1817 "xadd{w}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB,
1819 def XADD32rm : I<0xC1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1820 "xadd{l}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB,
1822 def XADD64rm : RI<0xC1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
1823 "xadd{q}\t{$src, $dst|$dst, $src}", [], IIC_XADD_MEM>, TB;
1827 let SchedRW = [WriteALU] in {
1828 def CMPXCHG8rr : I<0xB0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
1829 "cmpxchg{b}\t{$src, $dst|$dst, $src}", [],
1830 IIC_CMPXCHG_REG8>, TB;
1831 def CMPXCHG16rr : I<0xB1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1832 "cmpxchg{w}\t{$src, $dst|$dst, $src}", [],
1833 IIC_CMPXCHG_REG>, TB, OpSize16;
1834 def CMPXCHG32rr : I<0xB1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
1835 "cmpxchg{l}\t{$src, $dst|$dst, $src}", [],
1836 IIC_CMPXCHG_REG>, TB, OpSize32;
1837 def CMPXCHG64rr : RI<0xB1, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
1838 "cmpxchg{q}\t{$src, $dst|$dst, $src}", [],
1839 IIC_CMPXCHG_REG>, TB;
1842 let SchedRW = [WriteALULd, WriteRMW] in {
1843 let mayLoad = 1, mayStore = 1 in {
1844 def CMPXCHG8rm : I<0xB0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1845 "cmpxchg{b}\t{$src, $dst|$dst, $src}", [],
1846 IIC_CMPXCHG_MEM8>, TB;
1847 def CMPXCHG16rm : I<0xB1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1848 "cmpxchg{w}\t{$src, $dst|$dst, $src}", [],
1849 IIC_CMPXCHG_MEM>, TB, OpSize16;
1850 def CMPXCHG32rm : I<0xB1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1851 "cmpxchg{l}\t{$src, $dst|$dst, $src}", [],
1852 IIC_CMPXCHG_MEM>, TB, OpSize32;
1853 def CMPXCHG64rm : RI<0xB1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
1854 "cmpxchg{q}\t{$src, $dst|$dst, $src}", [],
1855 IIC_CMPXCHG_MEM>, TB;
1858 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in
1859 def CMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$dst),
1860 "cmpxchg8b\t$dst", [], IIC_CMPXCHG_8B>, TB;
1862 let Defs = [RAX, RDX, EFLAGS], Uses = [RAX, RBX, RCX, RDX] in
1863 def CMPXCHG16B : RI<0xC7, MRM1m, (outs), (ins i128mem:$dst),
1864 "cmpxchg16b\t$dst", [], IIC_CMPXCHG_16B>,
1865 TB, Requires<[HasCmpxchg16b]>;
1869 // Lock instruction prefix
1870 def LOCK_PREFIX : I<0xF0, RawFrm, (outs), (ins), "lock", []>;
1872 // Rex64 instruction prefix
1873 def REX64_PREFIX : I<0x48, RawFrm, (outs), (ins), "rex64", []>,
1874 Requires<[In64BitMode]>;
1876 // Data16 instruction prefix
1877 def DATA16_PREFIX : I<0x66, RawFrm, (outs), (ins), "data16", []>;
1879 // Repeat string operation instruction prefixes
1880 // These uses the DF flag in the EFLAGS register to inc or dec ECX
1881 let Defs = [ECX], Uses = [ECX,EFLAGS] in {
1882 // Repeat (used with INS, OUTS, MOVS, LODS and STOS)
1883 def REP_PREFIX : I<0xF3, RawFrm, (outs), (ins), "rep", []>;
1884 // Repeat while not equal (used with CMPS and SCAS)
1885 def REPNE_PREFIX : I<0xF2, RawFrm, (outs), (ins), "repne", []>;
1889 // String manipulation instructions
1890 let SchedRW = [WriteMicrocoded] in {
1891 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1892 let Defs = [AL,ESI], Uses = [ESI,EFLAGS] in
1893 def LODSB : I<0xAC, RawFrmSrc, (outs), (ins srcidx8:$src),
1894 "lodsb\t{$src, %al|al, $src}", [], IIC_LODS>;
1895 let Defs = [AX,ESI], Uses = [ESI,EFLAGS] in
1896 def LODSW : I<0xAD, RawFrmSrc, (outs), (ins srcidx16:$src),
1897 "lodsw\t{$src, %ax|ax, $src}", [], IIC_LODS>, OpSize16;
1898 let Defs = [EAX,ESI], Uses = [ESI,EFLAGS] in
1899 def LODSL : I<0xAD, RawFrmSrc, (outs), (ins srcidx32:$src),
1900 "lods{l|d}\t{$src, %eax|eax, $src}", [], IIC_LODS>, OpSize32;
1901 let Defs = [RAX,ESI], Uses = [ESI,EFLAGS] in
1902 def LODSQ : RI<0xAD, RawFrmSrc, (outs), (ins srcidx64:$src),
1903 "lodsq\t{$src, %rax|rax, $src}", [], IIC_LODS>;
1906 let SchedRW = [WriteSystem] in {
1907 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1908 let Defs = [ESI], Uses = [DX,ESI,EFLAGS] in {
1909 def OUTSB : I<0x6E, RawFrmSrc, (outs), (ins srcidx8:$src),
1910 "outsb\t{$src, %dx|dx, $src}", [], IIC_OUTS>;
1911 def OUTSW : I<0x6F, RawFrmSrc, (outs), (ins srcidx16:$src),
1912 "outsw\t{$src, %dx|dx, $src}", [], IIC_OUTS>, OpSize16;
1913 def OUTSL : I<0x6F, RawFrmSrc, (outs), (ins srcidx32:$src),
1914 "outs{l|d}\t{$src, %dx|dx, $src}", [], IIC_OUTS>, OpSize32;
1917 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
1918 let Defs = [EDI], Uses = [DX,EDI,EFLAGS] in {
1919 def INSB : I<0x6C, RawFrmDst, (outs dstidx8:$dst), (ins),
1920 "insb\t{%dx, $dst|$dst, dx}", [], IIC_INS>;
1921 def INSW : I<0x6D, RawFrmDst, (outs dstidx16:$dst), (ins),
1922 "insw\t{%dx, $dst|$dst, dx}", [], IIC_INS>, OpSize16;
1923 def INSL : I<0x6D, RawFrmDst, (outs dstidx32:$dst), (ins),
1924 "ins{l|d}\t{%dx, $dst|$dst, dx}", [], IIC_INS>, OpSize32;
1928 // Flag instructions
1929 let SchedRW = [WriteALU] in {
1930 def CLC : I<0xF8, RawFrm, (outs), (ins), "clc", [], IIC_CLC>;
1931 def STC : I<0xF9, RawFrm, (outs), (ins), "stc", [], IIC_STC>;
1932 def CLI : I<0xFA, RawFrm, (outs), (ins), "cli", [], IIC_CLI>;
1933 def STI : I<0xFB, RawFrm, (outs), (ins), "sti", [], IIC_STI>;
1934 def CLD : I<0xFC, RawFrm, (outs), (ins), "cld", [], IIC_CLD>;
1935 def STD : I<0xFD, RawFrm, (outs), (ins), "std", [], IIC_STD>;
1936 def CMC : I<0xF5, RawFrm, (outs), (ins), "cmc", [], IIC_CMC>;
1938 def CLTS : I<0x06, RawFrm, (outs), (ins), "clts", [], IIC_CLTS>, TB;
1941 // Table lookup instructions
1942 def XLAT : I<0xD7, RawFrm, (outs), (ins), "xlatb", [], IIC_XLAT>,
1945 let SchedRW = [WriteMicrocoded] in {
1946 // ASCII Adjust After Addition
1947 // sets AL, AH and CF and AF of EFLAGS and uses AL and AF of EFLAGS
1948 def AAA : I<0x37, RawFrm, (outs), (ins), "aaa", [], IIC_AAA>,
1949 Requires<[Not64BitMode]>;
1951 // ASCII Adjust AX Before Division
1952 // sets AL, AH and EFLAGS and uses AL and AH
1953 def AAD8i8 : Ii8<0xD5, RawFrm, (outs), (ins i8imm:$src),
1954 "aad\t$src", [], IIC_AAD>, Requires<[Not64BitMode]>;
1956 // ASCII Adjust AX After Multiply
1957 // sets AL, AH and EFLAGS and uses AL
1958 def AAM8i8 : Ii8<0xD4, RawFrm, (outs), (ins i8imm:$src),
1959 "aam\t$src", [], IIC_AAM>, Requires<[Not64BitMode]>;
1961 // ASCII Adjust AL After Subtraction - sets
1962 // sets AL, AH and CF and AF of EFLAGS and uses AL and AF of EFLAGS
1963 def AAS : I<0x3F, RawFrm, (outs), (ins), "aas", [], IIC_AAS>,
1964 Requires<[Not64BitMode]>;
1966 // Decimal Adjust AL after Addition
1967 // sets AL, CF and AF of EFLAGS and uses AL, CF and AF of EFLAGS
1968 def DAA : I<0x27, RawFrm, (outs), (ins), "daa", [], IIC_DAA>,
1969 Requires<[Not64BitMode]>;
1971 // Decimal Adjust AL after Subtraction
1972 // sets AL, CF and AF of EFLAGS and uses AL, CF and AF of EFLAGS
1973 def DAS : I<0x2F, RawFrm, (outs), (ins), "das", [], IIC_DAS>,
1974 Requires<[Not64BitMode]>;
1977 let SchedRW = [WriteSystem] in {
1978 // Check Array Index Against Bounds
1979 def BOUNDS16rm : I<0x62, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1980 "bound\t{$src, $dst|$dst, $src}", [], IIC_BOUND>, OpSize16,
1981 Requires<[Not64BitMode]>;
1982 def BOUNDS32rm : I<0x62, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1983 "bound\t{$src, $dst|$dst, $src}", [], IIC_BOUND>, OpSize32,
1984 Requires<[Not64BitMode]>;
1986 // Adjust RPL Field of Segment Selector
1987 def ARPL16rr : I<0x63, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1988 "arpl\t{$src, $dst|$dst, $src}", [], IIC_ARPL_REG>,
1989 Requires<[Not64BitMode]>;
1990 def ARPL16mr : I<0x63, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1991 "arpl\t{$src, $dst|$dst, $src}", [], IIC_ARPL_MEM>,
1992 Requires<[Not64BitMode]>;
1995 //===----------------------------------------------------------------------===//
1996 // MOVBE Instructions
1998 let Predicates = [HasMOVBE] in {
1999 let SchedRW = [WriteALULd] in {
2000 def MOVBE16rm : I<0xF0, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
2001 "movbe{w}\t{$src, $dst|$dst, $src}",
2002 [(set GR16:$dst, (bswap (loadi16 addr:$src)))], IIC_MOVBE>,
2004 def MOVBE32rm : I<0xF0, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
2005 "movbe{l}\t{$src, $dst|$dst, $src}",
2006 [(set GR32:$dst, (bswap (loadi32 addr:$src)))], IIC_MOVBE>,
2008 def MOVBE64rm : RI<0xF0, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
2009 "movbe{q}\t{$src, $dst|$dst, $src}",
2010 [(set GR64:$dst, (bswap (loadi64 addr:$src)))], IIC_MOVBE>,
2013 let SchedRW = [WriteStore] in {
2014 def MOVBE16mr : I<0xF1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
2015 "movbe{w}\t{$src, $dst|$dst, $src}",
2016 [(store (bswap GR16:$src), addr:$dst)], IIC_MOVBE>,
2018 def MOVBE32mr : I<0xF1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
2019 "movbe{l}\t{$src, $dst|$dst, $src}",
2020 [(store (bswap GR32:$src), addr:$dst)], IIC_MOVBE>,
2022 def MOVBE64mr : RI<0xF1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
2023 "movbe{q}\t{$src, $dst|$dst, $src}",
2024 [(store (bswap GR64:$src), addr:$dst)], IIC_MOVBE>,
2029 //===----------------------------------------------------------------------===//
2030 // RDRAND Instruction
2032 let Predicates = [HasRDRAND], Defs = [EFLAGS] in {
2033 def RDRAND16r : I<0xC7, MRM6r, (outs GR16:$dst), (ins),
2035 [(set GR16:$dst, EFLAGS, (X86rdrand))]>, OpSize16, TB;
2036 def RDRAND32r : I<0xC7, MRM6r, (outs GR32:$dst), (ins),
2038 [(set GR32:$dst, EFLAGS, (X86rdrand))]>, OpSize32, TB;
2039 def RDRAND64r : RI<0xC7, MRM6r, (outs GR64:$dst), (ins),
2041 [(set GR64:$dst, EFLAGS, (X86rdrand))]>, TB;
2044 //===----------------------------------------------------------------------===//
2045 // RDSEED Instruction
2047 let Predicates = [HasRDSEED], Defs = [EFLAGS] in {
2048 def RDSEED16r : I<0xC7, MRM7r, (outs GR16:$dst), (ins),
2050 [(set GR16:$dst, EFLAGS, (X86rdseed))]>, OpSize16, TB;
2051 def RDSEED32r : I<0xC7, MRM7r, (outs GR32:$dst), (ins),
2053 [(set GR32:$dst, EFLAGS, (X86rdseed))]>, OpSize32, TB;
2054 def RDSEED64r : RI<0xC7, MRM7r, (outs GR64:$dst), (ins),
2056 [(set GR64:$dst, EFLAGS, (X86rdseed))]>, TB;
2059 //===----------------------------------------------------------------------===//
2060 // LZCNT Instruction
2062 let Predicates = [HasLZCNT], Defs = [EFLAGS] in {
2063 def LZCNT16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
2064 "lzcnt{w}\t{$src, $dst|$dst, $src}",
2065 [(set GR16:$dst, (ctlz GR16:$src)), (implicit EFLAGS)]>, XS,
2067 def LZCNT16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
2068 "lzcnt{w}\t{$src, $dst|$dst, $src}",
2069 [(set GR16:$dst, (ctlz (loadi16 addr:$src))),
2070 (implicit EFLAGS)]>, XS, OpSize16;
2072 def LZCNT32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
2073 "lzcnt{l}\t{$src, $dst|$dst, $src}",
2074 [(set GR32:$dst, (ctlz GR32:$src)), (implicit EFLAGS)]>, XS,
2076 def LZCNT32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
2077 "lzcnt{l}\t{$src, $dst|$dst, $src}",
2078 [(set GR32:$dst, (ctlz (loadi32 addr:$src))),
2079 (implicit EFLAGS)]>, XS, OpSize32;
2081 def LZCNT64rr : RI<0xBD, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
2082 "lzcnt{q}\t{$src, $dst|$dst, $src}",
2083 [(set GR64:$dst, (ctlz GR64:$src)), (implicit EFLAGS)]>,
2085 def LZCNT64rm : RI<0xBD, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
2086 "lzcnt{q}\t{$src, $dst|$dst, $src}",
2087 [(set GR64:$dst, (ctlz (loadi64 addr:$src))),
2088 (implicit EFLAGS)]>, XS;
2091 let Predicates = [HasLZCNT] in {
2092 def : Pat<(X86cmov (ctlz GR16:$src), (i16 16), (X86_COND_E_OR_NE),
2093 (X86cmp GR16:$src, (i16 0))),
2094 (LZCNT16rr GR16:$src)>;
2095 def : Pat<(X86cmov (ctlz GR32:$src), (i32 32), (X86_COND_E_OR_NE),
2096 (X86cmp GR32:$src, (i32 0))),
2097 (LZCNT32rr GR32:$src)>;
2098 def : Pat<(X86cmov (ctlz GR64:$src), (i64 64), (X86_COND_E_OR_NE),
2099 (X86cmp GR64:$src, (i64 0))),
2100 (LZCNT64rr GR64:$src)>;
2101 def : Pat<(X86cmov (i16 16), (ctlz GR16:$src), (X86_COND_E_OR_NE),
2102 (X86cmp GR16:$src, (i16 0))),
2103 (LZCNT16rr GR16:$src)>;
2104 def : Pat<(X86cmov (i32 32), (ctlz GR32:$src), (X86_COND_E_OR_NE),
2105 (X86cmp GR32:$src, (i32 0))),
2106 (LZCNT32rr GR32:$src)>;
2107 def : Pat<(X86cmov (i64 64), (ctlz GR64:$src), (X86_COND_E_OR_NE),
2108 (X86cmp GR64:$src, (i64 0))),
2109 (LZCNT64rr GR64:$src)>;
2111 def : Pat<(X86cmov (ctlz (loadi16 addr:$src)), (i16 16), (X86_COND_E_OR_NE),
2112 (X86cmp (loadi16 addr:$src), (i16 0))),
2113 (LZCNT16rm addr:$src)>;
2114 def : Pat<(X86cmov (ctlz (loadi32 addr:$src)), (i32 32), (X86_COND_E_OR_NE),
2115 (X86cmp (loadi32 addr:$src), (i32 0))),
2116 (LZCNT32rm addr:$src)>;
2117 def : Pat<(X86cmov (ctlz (loadi64 addr:$src)), (i64 64), (X86_COND_E_OR_NE),
2118 (X86cmp (loadi64 addr:$src), (i64 0))),
2119 (LZCNT64rm addr:$src)>;
2120 def : Pat<(X86cmov (i16 16), (ctlz (loadi16 addr:$src)), (X86_COND_E_OR_NE),
2121 (X86cmp (loadi16 addr:$src), (i16 0))),
2122 (LZCNT16rm addr:$src)>;
2123 def : Pat<(X86cmov (i32 32), (ctlz (loadi32 addr:$src)), (X86_COND_E_OR_NE),
2124 (X86cmp (loadi32 addr:$src), (i32 0))),
2125 (LZCNT32rm addr:$src)>;
2126 def : Pat<(X86cmov (i64 64), (ctlz (loadi64 addr:$src)), (X86_COND_E_OR_NE),
2127 (X86cmp (loadi64 addr:$src), (i64 0))),
2128 (LZCNT64rm addr:$src)>;
2131 //===----------------------------------------------------------------------===//
2134 let Predicates = [HasBMI], Defs = [EFLAGS] in {
2135 def TZCNT16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
2136 "tzcnt{w}\t{$src, $dst|$dst, $src}",
2137 [(set GR16:$dst, (cttz GR16:$src)), (implicit EFLAGS)]>, XS,
2139 def TZCNT16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
2140 "tzcnt{w}\t{$src, $dst|$dst, $src}",
2141 [(set GR16:$dst, (cttz (loadi16 addr:$src))),
2142 (implicit EFLAGS)]>, XS, OpSize16;
2144 def TZCNT32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
2145 "tzcnt{l}\t{$src, $dst|$dst, $src}",
2146 [(set GR32:$dst, (cttz GR32:$src)), (implicit EFLAGS)]>, XS,
2148 def TZCNT32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
2149 "tzcnt{l}\t{$src, $dst|$dst, $src}",
2150 [(set GR32:$dst, (cttz (loadi32 addr:$src))),
2151 (implicit EFLAGS)]>, XS, OpSize32;
2153 def TZCNT64rr : RI<0xBC, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
2154 "tzcnt{q}\t{$src, $dst|$dst, $src}",
2155 [(set GR64:$dst, (cttz GR64:$src)), (implicit EFLAGS)]>,
2157 def TZCNT64rm : RI<0xBC, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
2158 "tzcnt{q}\t{$src, $dst|$dst, $src}",
2159 [(set GR64:$dst, (cttz (loadi64 addr:$src))),
2160 (implicit EFLAGS)]>, XS;
2163 multiclass bmi_bls<string mnemonic, Format RegMRM, Format MemMRM,
2164 RegisterClass RC, X86MemOperand x86memop> {
2165 let hasSideEffects = 0 in {
2166 def rr : I<0xF3, RegMRM, (outs RC:$dst), (ins RC:$src),
2167 !strconcat(mnemonic, "\t{$src, $dst|$dst, $src}"),
2170 def rm : I<0xF3, MemMRM, (outs RC:$dst), (ins x86memop:$src),
2171 !strconcat(mnemonic, "\t{$src, $dst|$dst, $src}"),
2176 let Predicates = [HasBMI], Defs = [EFLAGS] in {
2177 defm BLSR32 : bmi_bls<"blsr{l}", MRM1r, MRM1m, GR32, i32mem>;
2178 defm BLSR64 : bmi_bls<"blsr{q}", MRM1r, MRM1m, GR64, i64mem>, VEX_W;
2179 defm BLSMSK32 : bmi_bls<"blsmsk{l}", MRM2r, MRM2m, GR32, i32mem>;
2180 defm BLSMSK64 : bmi_bls<"blsmsk{q}", MRM2r, MRM2m, GR64, i64mem>, VEX_W;
2181 defm BLSI32 : bmi_bls<"blsi{l}", MRM3r, MRM3m, GR32, i32mem>;
2182 defm BLSI64 : bmi_bls<"blsi{q}", MRM3r, MRM3m, GR64, i64mem>, VEX_W;
2185 //===----------------------------------------------------------------------===//
2186 // Pattern fragments to auto generate BMI instructions.
2187 //===----------------------------------------------------------------------===//
2189 let Predicates = [HasBMI] in {
2190 // FIXME: patterns for the load versions are not implemented
2191 def : Pat<(and GR32:$src, (add GR32:$src, -1)),
2192 (BLSR32rr GR32:$src)>;
2193 def : Pat<(and GR64:$src, (add GR64:$src, -1)),
2194 (BLSR64rr GR64:$src)>;
2196 def : Pat<(xor GR32:$src, (add GR32:$src, -1)),
2197 (BLSMSK32rr GR32:$src)>;
2198 def : Pat<(xor GR64:$src, (add GR64:$src, -1)),
2199 (BLSMSK64rr GR64:$src)>;
2201 def : Pat<(and GR32:$src, (ineg GR32:$src)),
2202 (BLSI32rr GR32:$src)>;
2203 def : Pat<(and GR64:$src, (ineg GR64:$src)),
2204 (BLSI64rr GR64:$src)>;
2207 let Predicates = [HasBMI] in {
2208 def : Pat<(X86cmov (cttz GR16:$src), (i16 16), (X86_COND_E_OR_NE),
2209 (X86cmp GR16:$src, (i16 0))),
2210 (TZCNT16rr GR16:$src)>;
2211 def : Pat<(X86cmov (cttz GR32:$src), (i32 32), (X86_COND_E_OR_NE),
2212 (X86cmp GR32:$src, (i32 0))),
2213 (TZCNT32rr GR32:$src)>;
2214 def : Pat<(X86cmov (cttz GR64:$src), (i64 64), (X86_COND_E_OR_NE),
2215 (X86cmp GR64:$src, (i64 0))),
2216 (TZCNT64rr GR64:$src)>;
2217 def : Pat<(X86cmov (i16 16), (cttz GR16:$src), (X86_COND_E_OR_NE),
2218 (X86cmp GR16:$src, (i16 0))),
2219 (TZCNT16rr GR16:$src)>;
2220 def : Pat<(X86cmov (i32 32), (cttz GR32:$src), (X86_COND_E_OR_NE),
2221 (X86cmp GR32:$src, (i32 0))),
2222 (TZCNT32rr GR32:$src)>;
2223 def : Pat<(X86cmov (i64 64), (cttz GR64:$src), (X86_COND_E_OR_NE),
2224 (X86cmp GR64:$src, (i64 0))),
2225 (TZCNT64rr GR64:$src)>;
2227 def : Pat<(X86cmov (cttz (loadi16 addr:$src)), (i16 16), (X86_COND_E_OR_NE),
2228 (X86cmp (loadi16 addr:$src), (i16 0))),
2229 (TZCNT16rm addr:$src)>;
2230 def : Pat<(X86cmov (cttz (loadi32 addr:$src)), (i32 32), (X86_COND_E_OR_NE),
2231 (X86cmp (loadi32 addr:$src), (i32 0))),
2232 (TZCNT32rm addr:$src)>;
2233 def : Pat<(X86cmov (cttz (loadi64 addr:$src)), (i64 64), (X86_COND_E_OR_NE),
2234 (X86cmp (loadi64 addr:$src), (i64 0))),
2235 (TZCNT64rm addr:$src)>;
2236 def : Pat<(X86cmov (i16 16), (cttz (loadi16 addr:$src)), (X86_COND_E_OR_NE),
2237 (X86cmp (loadi16 addr:$src), (i16 0))),
2238 (TZCNT16rm addr:$src)>;
2239 def : Pat<(X86cmov (i32 32), (cttz (loadi32 addr:$src)), (X86_COND_E_OR_NE),
2240 (X86cmp (loadi32 addr:$src), (i32 0))),
2241 (TZCNT32rm addr:$src)>;
2242 def : Pat<(X86cmov (i64 64), (cttz (loadi64 addr:$src)), (X86_COND_E_OR_NE),
2243 (X86cmp (loadi64 addr:$src), (i64 0))),
2244 (TZCNT64rm addr:$src)>;
2248 multiclass bmi_bextr_bzhi<bits<8> opc, string mnemonic, RegisterClass RC,
2249 X86MemOperand x86memop, Intrinsic Int,
2251 def rr : I<opc, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, RC:$src2),
2252 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
2253 [(set RC:$dst, (Int RC:$src1, RC:$src2)), (implicit EFLAGS)]>,
2255 def rm : I<opc, MRMSrcMem, (outs RC:$dst), (ins x86memop:$src1, RC:$src2),
2256 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
2257 [(set RC:$dst, (Int (ld_frag addr:$src1), RC:$src2)),
2258 (implicit EFLAGS)]>, T8PS, VEX_4VOp3;
2261 let Predicates = [HasBMI], Defs = [EFLAGS] in {
2262 defm BEXTR32 : bmi_bextr_bzhi<0xF7, "bextr{l}", GR32, i32mem,
2263 int_x86_bmi_bextr_32, loadi32>;
2264 defm BEXTR64 : bmi_bextr_bzhi<0xF7, "bextr{q}", GR64, i64mem,
2265 int_x86_bmi_bextr_64, loadi64>, VEX_W;
2268 let Predicates = [HasBMI2], Defs = [EFLAGS] in {
2269 defm BZHI32 : bmi_bextr_bzhi<0xF5, "bzhi{l}", GR32, i32mem,
2270 int_x86_bmi_bzhi_32, loadi32>;
2271 defm BZHI64 : bmi_bextr_bzhi<0xF5, "bzhi{q}", GR64, i64mem,
2272 int_x86_bmi_bzhi_64, loadi64>, VEX_W;
2276 def CountTrailingOnes : SDNodeXForm<imm, [{
2277 // Count the trailing ones in the immediate.
2278 return getI8Imm(countTrailingOnes(N->getZExtValue()), SDLoc(N));
2281 def BZHIMask : ImmLeaf<i64, [{
2282 return isMask_64(Imm) && (countTrailingOnes<uint64_t>(Imm) > 32);
2285 let Predicates = [HasBMI2] in {
2286 def : Pat<(and GR64:$src, BZHIMask:$mask),
2287 (BZHI64rr GR64:$src,
2288 (INSERT_SUBREG (i64 (IMPLICIT_DEF)),
2289 (MOV8ri (CountTrailingOnes imm:$mask)), sub_8bit))>;
2291 def : Pat<(and GR32:$src, (add (shl 1, GR8:$lz), -1)),
2292 (BZHI32rr GR32:$src,
2293 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR8:$lz, sub_8bit))>;
2295 def : Pat<(and (loadi32 addr:$src), (add (shl 1, GR8:$lz), -1)),
2296 (BZHI32rm addr:$src,
2297 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR8:$lz, sub_8bit))>;
2299 def : Pat<(and GR64:$src, (add (shl 1, GR8:$lz), -1)),
2300 (BZHI64rr GR64:$src,
2301 (INSERT_SUBREG (i64 (IMPLICIT_DEF)), GR8:$lz, sub_8bit))>;
2303 def : Pat<(and (loadi64 addr:$src), (add (shl 1, GR8:$lz), -1)),
2304 (BZHI64rm addr:$src,
2305 (INSERT_SUBREG (i64 (IMPLICIT_DEF)), GR8:$lz, sub_8bit))>;
2308 let Predicates = [HasBMI] in {
2309 def : Pat<(X86bextr GR32:$src1, GR32:$src2),
2310 (BEXTR32rr GR32:$src1, GR32:$src2)>;
2311 def : Pat<(X86bextr (loadi32 addr:$src1), GR32:$src2),
2312 (BEXTR32rm addr:$src1, GR32:$src2)>;
2313 def : Pat<(X86bextr GR64:$src1, GR64:$src2),
2314 (BEXTR64rr GR64:$src1, GR64:$src2)>;
2315 def : Pat<(X86bextr (loadi64 addr:$src1), GR64:$src2),
2316 (BEXTR64rm addr:$src1, GR64:$src2)>;
2319 multiclass bmi_pdep_pext<string mnemonic, RegisterClass RC,
2320 X86MemOperand x86memop, Intrinsic Int,
2322 def rr : I<0xF5, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, RC:$src2),
2323 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
2324 [(set RC:$dst, (Int RC:$src1, RC:$src2))]>,
2326 def rm : I<0xF5, MRMSrcMem, (outs RC:$dst), (ins RC:$src1, x86memop:$src2),
2327 !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
2328 [(set RC:$dst, (Int RC:$src1, (ld_frag addr:$src2)))]>, VEX_4V;
2331 let Predicates = [HasBMI2] in {
2332 defm PDEP32 : bmi_pdep_pext<"pdep{l}", GR32, i32mem,
2333 int_x86_bmi_pdep_32, loadi32>, T8XD;
2334 defm PDEP64 : bmi_pdep_pext<"pdep{q}", GR64, i64mem,
2335 int_x86_bmi_pdep_64, loadi64>, T8XD, VEX_W;
2336 defm PEXT32 : bmi_pdep_pext<"pext{l}", GR32, i32mem,
2337 int_x86_bmi_pext_32, loadi32>, T8XS;
2338 defm PEXT64 : bmi_pdep_pext<"pext{q}", GR64, i64mem,
2339 int_x86_bmi_pext_64, loadi64>, T8XS, VEX_W;
2342 //===----------------------------------------------------------------------===//
2345 let Predicates = [HasTBM], Defs = [EFLAGS] in {
2347 multiclass tbm_ternary_imm_intr<bits<8> opc, RegisterClass RC, string OpcodeStr,
2348 X86MemOperand x86memop, PatFrag ld_frag,
2349 Intrinsic Int, Operand immtype,
2350 SDPatternOperator immoperator> {
2351 def ri : Ii32<opc, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, immtype:$cntl),
2352 !strconcat(OpcodeStr,
2353 "\t{$cntl, $src1, $dst|$dst, $src1, $cntl}"),
2354 [(set RC:$dst, (Int RC:$src1, immoperator:$cntl))]>,
2356 def mi : Ii32<opc, MRMSrcMem, (outs RC:$dst),
2357 (ins x86memop:$src1, immtype:$cntl),
2358 !strconcat(OpcodeStr,
2359 "\t{$cntl, $src1, $dst|$dst, $src1, $cntl}"),
2360 [(set RC:$dst, (Int (ld_frag addr:$src1), immoperator:$cntl))]>,
2364 defm BEXTRI32 : tbm_ternary_imm_intr<0x10, GR32, "bextr", i32mem, loadi32,
2365 int_x86_tbm_bextri_u32, i32imm, imm>;
2366 let ImmT = Imm32S in
2367 defm BEXTRI64 : tbm_ternary_imm_intr<0x10, GR64, "bextr", i64mem, loadi64,
2368 int_x86_tbm_bextri_u64, i64i32imm,
2369 i64immSExt32>, VEX_W;
2371 multiclass tbm_binary_rm<bits<8> opc, Format FormReg, Format FormMem,
2372 RegisterClass RC, string OpcodeStr,
2373 X86MemOperand x86memop, PatFrag ld_frag> {
2374 let hasSideEffects = 0 in {
2375 def rr : I<opc, FormReg, (outs RC:$dst), (ins RC:$src),
2376 !strconcat(OpcodeStr,"\t{$src, $dst|$dst, $src}"),
2379 def rm : I<opc, FormMem, (outs RC:$dst), (ins x86memop:$src),
2380 !strconcat(OpcodeStr,"\t{$src, $dst|$dst, $src}"),
2385 multiclass tbm_binary_intr<bits<8> opc, string OpcodeStr,
2386 Format FormReg, Format FormMem> {
2387 defm NAME#32 : tbm_binary_rm<opc, FormReg, FormMem, GR32, OpcodeStr, i32mem,
2389 defm NAME#64 : tbm_binary_rm<opc, FormReg, FormMem, GR64, OpcodeStr, i64mem,
2393 defm BLCFILL : tbm_binary_intr<0x01, "blcfill", MRM1r, MRM1m>;
2394 defm BLCI : tbm_binary_intr<0x02, "blci", MRM6r, MRM6m>;
2395 defm BLCIC : tbm_binary_intr<0x01, "blcic", MRM5r, MRM5m>;
2396 defm BLCMSK : tbm_binary_intr<0x02, "blcmsk", MRM1r, MRM1m>;
2397 defm BLCS : tbm_binary_intr<0x01, "blcs", MRM3r, MRM3m>;
2398 defm BLSFILL : tbm_binary_intr<0x01, "blsfill", MRM2r, MRM2m>;
2399 defm BLSIC : tbm_binary_intr<0x01, "blsic", MRM6r, MRM6m>;
2400 defm T1MSKC : tbm_binary_intr<0x01, "t1mskc", MRM7r, MRM7m>;
2401 defm TZMSK : tbm_binary_intr<0x01, "tzmsk", MRM4r, MRM4m>;
2404 //===----------------------------------------------------------------------===//
2405 // MONITORX/MWAITX Instructions
2407 let SchedRW = [WriteSystem] in {
2408 let Uses = [EAX, ECX, EDX] in
2409 def MONITORXrrr : I<0x01, MRM_FA, (outs), (ins), "monitorx", [],
2410 IIC_SSE_MONITOR>, TB;
2411 let Uses = [ECX, EAX, EBX] in
2412 def MWAITXrr : I<0x01, MRM_FB, (outs), (ins), "mwaitx", [], IIC_SSE_MWAIT>,
2416 def : InstAlias<"mwaitx\t{%eax, %ecx, %ebx|ebx, ecx, eax}", (MWAITXrr)>, Requires<[Not64BitMode]>;
2417 def : InstAlias<"mwaitx\t{%rax, %rcx, %rbx|rbx, rcx, rax}", (MWAITXrr)>, Requires<[In64BitMode]>;
2419 def : InstAlias<"monitorx\t{%eax, %ecx, %edx|edx, ecx, eax}", (MONITORXrrr)>,
2420 Requires<[Not64BitMode]>;
2421 def : InstAlias<"monitorx\t{%rax, %rcx, %rdx|rdx, rcx, rax}", (MONITORXrrr)>,
2422 Requires<[In64BitMode]>;
2424 //===----------------------------------------------------------------------===//
2425 // CLZERO Instruction
2428 def CLZEROr : I<0x01, MRM_FC, (outs), (ins), "clzero", []>, TB;
2430 //===----------------------------------------------------------------------===//
2431 // Pattern fragments to auto generate TBM instructions.
2432 //===----------------------------------------------------------------------===//
2434 let Predicates = [HasTBM] in {
2435 def : Pat<(X86bextr GR32:$src1, (i32 imm:$src2)),
2436 (BEXTRI32ri GR32:$src1, imm:$src2)>;
2437 def : Pat<(X86bextr (loadi32 addr:$src1), (i32 imm:$src2)),
2438 (BEXTRI32mi addr:$src1, imm:$src2)>;
2439 def : Pat<(X86bextr GR64:$src1, i64immSExt32:$src2),
2440 (BEXTRI64ri GR64:$src1, i64immSExt32:$src2)>;
2441 def : Pat<(X86bextr (loadi64 addr:$src1), i64immSExt32:$src2),
2442 (BEXTRI64mi addr:$src1, i64immSExt32:$src2)>;
2444 // FIXME: patterns for the load versions are not implemented
2445 def : Pat<(and GR32:$src, (add GR32:$src, 1)),
2446 (BLCFILL32rr GR32:$src)>;
2447 def : Pat<(and GR64:$src, (add GR64:$src, 1)),
2448 (BLCFILL64rr GR64:$src)>;
2450 def : Pat<(or GR32:$src, (not (add GR32:$src, 1))),
2451 (BLCI32rr GR32:$src)>;
2452 def : Pat<(or GR64:$src, (not (add GR64:$src, 1))),
2453 (BLCI64rr GR64:$src)>;
2455 // Extra patterns because opt can optimize the above patterns to this.
2456 def : Pat<(or GR32:$src, (sub -2, GR32:$src)),
2457 (BLCI32rr GR32:$src)>;
2458 def : Pat<(or GR64:$src, (sub -2, GR64:$src)),
2459 (BLCI64rr GR64:$src)>;
2461 def : Pat<(and (not GR32:$src), (add GR32:$src, 1)),
2462 (BLCIC32rr GR32:$src)>;
2463 def : Pat<(and (not GR64:$src), (add GR64:$src, 1)),
2464 (BLCIC64rr GR64:$src)>;
2466 def : Pat<(xor GR32:$src, (add GR32:$src, 1)),
2467 (BLCMSK32rr GR32:$src)>;
2468 def : Pat<(xor GR64:$src, (add GR64:$src, 1)),
2469 (BLCMSK64rr GR64:$src)>;
2471 def : Pat<(or GR32:$src, (add GR32:$src, 1)),
2472 (BLCS32rr GR32:$src)>;
2473 def : Pat<(or GR64:$src, (add GR64:$src, 1)),
2474 (BLCS64rr GR64:$src)>;
2476 def : Pat<(or GR32:$src, (add GR32:$src, -1)),
2477 (BLSFILL32rr GR32:$src)>;
2478 def : Pat<(or GR64:$src, (add GR64:$src, -1)),
2479 (BLSFILL64rr GR64:$src)>;
2481 def : Pat<(or (not GR32:$src), (add GR32:$src, -1)),
2482 (BLSIC32rr GR32:$src)>;
2483 def : Pat<(or (not GR64:$src), (add GR64:$src, -1)),
2484 (BLSIC64rr GR64:$src)>;
2486 def : Pat<(or (not GR32:$src), (add GR32:$src, 1)),
2487 (T1MSKC32rr GR32:$src)>;
2488 def : Pat<(or (not GR64:$src), (add GR64:$src, 1)),
2489 (T1MSKC64rr GR64:$src)>;
2491 def : Pat<(and (not GR32:$src), (add GR32:$src, -1)),
2492 (TZMSK32rr GR32:$src)>;
2493 def : Pat<(and (not GR64:$src), (add GR64:$src, -1)),
2494 (TZMSK64rr GR64:$src)>;
2497 //===----------------------------------------------------------------------===//
2498 // Memory Instructions
2501 def CLFLUSHOPT : I<0xAE, MRM7m, (outs), (ins i8mem:$src),
2502 "clflushopt\t$src", []>, PD;
2503 def CLWB : I<0xAE, MRM6m, (outs), (ins i8mem:$src), "clwb\t$src", []>, PD;
2504 def PCOMMIT : I<0xAE, MRM_F8, (outs), (ins), "pcommit", []>, PD;
2507 //===----------------------------------------------------------------------===//
2509 //===----------------------------------------------------------------------===//
2511 include "X86InstrArithmetic.td"
2512 include "X86InstrCMovSetCC.td"
2513 include "X86InstrExtension.td"
2514 include "X86InstrControl.td"
2515 include "X86InstrShiftRotate.td"
2517 // X87 Floating Point Stack.
2518 include "X86InstrFPStack.td"
2520 // SIMD support (SSE, MMX and AVX)
2521 include "X86InstrFragmentsSIMD.td"
2523 // FMA - Fused Multiply-Add support (requires FMA)
2524 include "X86InstrFMA.td"
2527 include "X86InstrXOP.td"
2529 // SSE, MMX and 3DNow! vector support.
2530 include "X86InstrSSE.td"
2531 include "X86InstrAVX512.td"
2532 include "X86InstrMMX.td"
2533 include "X86Instr3DNow.td"
2536 include "X86InstrMPX.td"
2538 include "X86InstrVMX.td"
2539 include "X86InstrSVM.td"
2541 include "X86InstrTSX.td"
2542 include "X86InstrSGX.td"
2544 // System instructions.
2545 include "X86InstrSystem.td"
2547 // Compiler Pseudo Instructions and Pat Patterns
2548 include "X86InstrCompiler.td"
2550 //===----------------------------------------------------------------------===//
2551 // Assembler Mnemonic Aliases
2552 //===----------------------------------------------------------------------===//
2554 def : MnemonicAlias<"call", "callw", "att">, Requires<[In16BitMode]>;
2555 def : MnemonicAlias<"call", "calll", "att">, Requires<[In32BitMode]>;
2556 def : MnemonicAlias<"call", "callq", "att">, Requires<[In64BitMode]>;
2558 def : MnemonicAlias<"cbw", "cbtw", "att">;
2559 def : MnemonicAlias<"cwde", "cwtl", "att">;
2560 def : MnemonicAlias<"cwd", "cwtd", "att">;
2561 def : MnemonicAlias<"cdq", "cltd", "att">;
2562 def : MnemonicAlias<"cdqe", "cltq", "att">;
2563 def : MnemonicAlias<"cqo", "cqto", "att">;
2565 // In 64-bit mode lret maps to lretl; it is not ambiguous with lretq.
2566 def : MnemonicAlias<"lret", "lretw", "att">, Requires<[In16BitMode]>;
2567 def : MnemonicAlias<"lret", "lretl", "att">, Requires<[Not16BitMode]>;
2569 def : MnemonicAlias<"leavel", "leave", "att">, Requires<[Not64BitMode]>;
2570 def : MnemonicAlias<"leaveq", "leave", "att">, Requires<[In64BitMode]>;
2572 def : MnemonicAlias<"loopz", "loope", "att">;
2573 def : MnemonicAlias<"loopnz", "loopne", "att">;
2575 def : MnemonicAlias<"pop", "popw", "att">, Requires<[In16BitMode]>;
2576 def : MnemonicAlias<"pop", "popl", "att">, Requires<[In32BitMode]>;
2577 def : MnemonicAlias<"pop", "popq", "att">, Requires<[In64BitMode]>;
2578 def : MnemonicAlias<"popf", "popfw", "att">, Requires<[In16BitMode]>;
2579 def : MnemonicAlias<"popf", "popfl", "att">, Requires<[In32BitMode]>;
2580 def : MnemonicAlias<"popf", "popfq", "att">, Requires<[In64BitMode]>;
2581 def : MnemonicAlias<"popfd", "popfl", "att">;
2583 // FIXME: This is wrong for "push reg". "push %bx" should turn into pushw in
2584 // all modes. However: "push (addr)" and "push $42" should default to
2585 // pushl/pushq depending on the current mode. Similar for "pop %bx"
2586 def : MnemonicAlias<"push", "pushw", "att">, Requires<[In16BitMode]>;
2587 def : MnemonicAlias<"push", "pushl", "att">, Requires<[In32BitMode]>;
2588 def : MnemonicAlias<"push", "pushq", "att">, Requires<[In64BitMode]>;
2589 def : MnemonicAlias<"pushf", "pushfw", "att">, Requires<[In16BitMode]>;
2590 def : MnemonicAlias<"pushf", "pushfl", "att">, Requires<[In32BitMode]>;
2591 def : MnemonicAlias<"pushf", "pushfq", "att">, Requires<[In64BitMode]>;
2592 def : MnemonicAlias<"pushfd", "pushfl", "att">;
2594 def : MnemonicAlias<"popad", "popal", "intel">, Requires<[Not64BitMode]>;
2595 def : MnemonicAlias<"pushad", "pushal", "intel">, Requires<[Not64BitMode]>;
2596 def : MnemonicAlias<"popa", "popaw", "intel">, Requires<[In16BitMode]>;
2597 def : MnemonicAlias<"pusha", "pushaw", "intel">, Requires<[In16BitMode]>;
2598 def : MnemonicAlias<"popa", "popal", "intel">, Requires<[In32BitMode]>;
2599 def : MnemonicAlias<"pusha", "pushal", "intel">, Requires<[In32BitMode]>;
2601 def : MnemonicAlias<"popa", "popaw", "att">, Requires<[In16BitMode]>;
2602 def : MnemonicAlias<"pusha", "pushaw", "att">, Requires<[In16BitMode]>;
2603 def : MnemonicAlias<"popa", "popal", "att">, Requires<[In32BitMode]>;
2604 def : MnemonicAlias<"pusha", "pushal", "att">, Requires<[In32BitMode]>;
2606 def : MnemonicAlias<"repe", "rep">;
2607 def : MnemonicAlias<"repz", "rep">;
2608 def : MnemonicAlias<"repnz", "repne">;
2610 def : MnemonicAlias<"ret", "retw", "att">, Requires<[In16BitMode]>;
2611 def : MnemonicAlias<"ret", "retl", "att">, Requires<[In32BitMode]>;
2612 def : MnemonicAlias<"ret", "retq", "att">, Requires<[In64BitMode]>;
2614 def : MnemonicAlias<"sal", "shl", "intel">;
2615 def : MnemonicAlias<"salb", "shlb", "att">;
2616 def : MnemonicAlias<"salw", "shlw", "att">;
2617 def : MnemonicAlias<"sall", "shll", "att">;
2618 def : MnemonicAlias<"salq", "shlq", "att">;
2620 def : MnemonicAlias<"smovb", "movsb", "att">;
2621 def : MnemonicAlias<"smovw", "movsw", "att">;
2622 def : MnemonicAlias<"smovl", "movsl", "att">;
2623 def : MnemonicAlias<"smovq", "movsq", "att">;
2625 def : MnemonicAlias<"ud2a", "ud2", "att">;
2626 def : MnemonicAlias<"verrw", "verr", "att">;
2628 // System instruction aliases.
2629 def : MnemonicAlias<"iret", "iretw", "att">, Requires<[In16BitMode]>;
2630 def : MnemonicAlias<"iret", "iretl", "att">, Requires<[Not16BitMode]>;
2631 def : MnemonicAlias<"sysret", "sysretl", "att">;
2632 def : MnemonicAlias<"sysexit", "sysexitl", "att">;
2634 def : MnemonicAlias<"lgdt", "lgdtw", "att">, Requires<[In16BitMode]>;
2635 def : MnemonicAlias<"lgdt", "lgdtl", "att">, Requires<[In32BitMode]>;
2636 def : MnemonicAlias<"lgdt", "lgdtq", "att">, Requires<[In64BitMode]>;
2637 def : MnemonicAlias<"lidt", "lidtw", "att">, Requires<[In16BitMode]>;
2638 def : MnemonicAlias<"lidt", "lidtl", "att">, Requires<[In32BitMode]>;
2639 def : MnemonicAlias<"lidt", "lidtq", "att">, Requires<[In64BitMode]>;
2640 def : MnemonicAlias<"sgdt", "sgdtw", "att">, Requires<[In16BitMode]>;
2641 def : MnemonicAlias<"sgdt", "sgdtl", "att">, Requires<[In32BitMode]>;
2642 def : MnemonicAlias<"sgdt", "sgdtq", "att">, Requires<[In64BitMode]>;
2643 def : MnemonicAlias<"sidt", "sidtw", "att">, Requires<[In16BitMode]>;
2644 def : MnemonicAlias<"sidt", "sidtl", "att">, Requires<[In32BitMode]>;
2645 def : MnemonicAlias<"sidt", "sidtq", "att">, Requires<[In64BitMode]>;
2648 // Floating point stack aliases.
2649 def : MnemonicAlias<"fcmovz", "fcmove", "att">;
2650 def : MnemonicAlias<"fcmova", "fcmovnbe", "att">;
2651 def : MnemonicAlias<"fcmovnae", "fcmovb", "att">;
2652 def : MnemonicAlias<"fcmovna", "fcmovbe", "att">;
2653 def : MnemonicAlias<"fcmovae", "fcmovnb", "att">;
2654 def : MnemonicAlias<"fcomip", "fcompi", "att">;
2655 def : MnemonicAlias<"fildq", "fildll", "att">;
2656 def : MnemonicAlias<"fistpq", "fistpll", "att">;
2657 def : MnemonicAlias<"fisttpq", "fisttpll", "att">;
2658 def : MnemonicAlias<"fldcww", "fldcw", "att">;
2659 def : MnemonicAlias<"fnstcww", "fnstcw", "att">;
2660 def : MnemonicAlias<"fnstsww", "fnstsw", "att">;
2661 def : MnemonicAlias<"fucomip", "fucompi", "att">;
2662 def : MnemonicAlias<"fwait", "wait">;
2664 def : MnemonicAlias<"fxsaveq", "fxsave64", "att">;
2665 def : MnemonicAlias<"fxrstorq", "fxrstor64", "att">;
2666 def : MnemonicAlias<"xsaveq", "xsave64", "att">;
2667 def : MnemonicAlias<"xrstorq", "xrstor64", "att">;
2668 def : MnemonicAlias<"xsaveoptq", "xsaveopt64", "att">;
2669 def : MnemonicAlias<"xrstorsq", "xrstors64", "att">;
2670 def : MnemonicAlias<"xsavecq", "xsavec64", "att">;
2671 def : MnemonicAlias<"xsavesq", "xsaves64", "att">;
2673 class CondCodeAlias<string Prefix,string Suffix, string OldCond, string NewCond,
2675 : MnemonicAlias<!strconcat(Prefix, OldCond, Suffix),
2676 !strconcat(Prefix, NewCond, Suffix), VariantName>;
2678 /// IntegerCondCodeMnemonicAlias - This multiclass defines a bunch of
2679 /// MnemonicAlias's that canonicalize the condition code in a mnemonic, for
2680 /// example "setz" -> "sete".
2681 multiclass IntegerCondCodeMnemonicAlias<string Prefix, string Suffix,
2683 def C : CondCodeAlias<Prefix, Suffix, "c", "b", V>; // setc -> setb
2684 def Z : CondCodeAlias<Prefix, Suffix, "z" , "e", V>; // setz -> sete
2685 def NA : CondCodeAlias<Prefix, Suffix, "na", "be", V>; // setna -> setbe
2686 def NB : CondCodeAlias<Prefix, Suffix, "nb", "ae", V>; // setnb -> setae
2687 def NC : CondCodeAlias<Prefix, Suffix, "nc", "ae", V>; // setnc -> setae
2688 def NG : CondCodeAlias<Prefix, Suffix, "ng", "le", V>; // setng -> setle
2689 def NL : CondCodeAlias<Prefix, Suffix, "nl", "ge", V>; // setnl -> setge
2690 def NZ : CondCodeAlias<Prefix, Suffix, "nz", "ne", V>; // setnz -> setne
2691 def PE : CondCodeAlias<Prefix, Suffix, "pe", "p", V>; // setpe -> setp
2692 def PO : CondCodeAlias<Prefix, Suffix, "po", "np", V>; // setpo -> setnp
2694 def NAE : CondCodeAlias<Prefix, Suffix, "nae", "b", V>; // setnae -> setb
2695 def NBE : CondCodeAlias<Prefix, Suffix, "nbe", "a", V>; // setnbe -> seta
2696 def NGE : CondCodeAlias<Prefix, Suffix, "nge", "l", V>; // setnge -> setl
2697 def NLE : CondCodeAlias<Prefix, Suffix, "nle", "g", V>; // setnle -> setg
2700 // Aliases for set<CC>
2701 defm : IntegerCondCodeMnemonicAlias<"set", "">;
2702 // Aliases for j<CC>
2703 defm : IntegerCondCodeMnemonicAlias<"j", "">;
2704 // Aliases for cmov<CC>{w,l,q}
2705 defm : IntegerCondCodeMnemonicAlias<"cmov", "w", "att">;
2706 defm : IntegerCondCodeMnemonicAlias<"cmov", "l", "att">;
2707 defm : IntegerCondCodeMnemonicAlias<"cmov", "q", "att">;
2708 // No size suffix for intel-style asm.
2709 defm : IntegerCondCodeMnemonicAlias<"cmov", "", "intel">;
2712 //===----------------------------------------------------------------------===//
2713 // Assembler Instruction Aliases
2714 //===----------------------------------------------------------------------===//
2716 // aad/aam default to base 10 if no operand is specified.
2717 def : InstAlias<"aad", (AAD8i8 10)>, Requires<[Not64BitMode]>;
2718 def : InstAlias<"aam", (AAM8i8 10)>, Requires<[Not64BitMode]>;
2720 // Disambiguate the mem/imm form of bt-without-a-suffix as btl.
2721 // Likewise for btc/btr/bts.
2722 def : InstAlias<"bt {$imm, $mem|$mem, $imm}",
2723 (BT32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
2724 def : InstAlias<"btc {$imm, $mem|$mem, $imm}",
2725 (BTC32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
2726 def : InstAlias<"btr {$imm, $mem|$mem, $imm}",
2727 (BTR32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
2728 def : InstAlias<"bts {$imm, $mem|$mem, $imm}",
2729 (BTS32mi8 i32mem:$mem, i32i8imm:$imm), 0>;
2732 def : InstAlias<"clrb $reg", (XOR8rr GR8 :$reg, GR8 :$reg), 0>;
2733 def : InstAlias<"clrw $reg", (XOR16rr GR16:$reg, GR16:$reg), 0>;
2734 def : InstAlias<"clrl $reg", (XOR32rr GR32:$reg, GR32:$reg), 0>;
2735 def : InstAlias<"clrq $reg", (XOR64rr GR64:$reg, GR64:$reg), 0>;
2737 // lods aliases. Accept the destination being omitted because it's implicit
2738 // in the mnemonic, or the mnemonic suffix being omitted because it's implicit
2739 // in the destination.
2740 def : InstAlias<"lodsb $src", (LODSB srcidx8:$src), 0>;
2741 def : InstAlias<"lodsw $src", (LODSW srcidx16:$src), 0>;
2742 def : InstAlias<"lods{l|d} $src", (LODSL srcidx32:$src), 0>;
2743 def : InstAlias<"lodsq $src", (LODSQ srcidx64:$src), 0>, Requires<[In64BitMode]>;
2744 def : InstAlias<"lods {$src, %al|al, $src}", (LODSB srcidx8:$src), 0>;
2745 def : InstAlias<"lods {$src, %ax|ax, $src}", (LODSW srcidx16:$src), 0>;
2746 def : InstAlias<"lods {$src, %eax|eax, $src}", (LODSL srcidx32:$src), 0>;
2747 def : InstAlias<"lods {$src, %rax|rax, $src}", (LODSQ srcidx64:$src), 0>, Requires<[In64BitMode]>;
2749 // stos aliases. Accept the source being omitted because it's implicit in
2750 // the mnemonic, or the mnemonic suffix being omitted because it's implicit
2752 def : InstAlias<"stosb $dst", (STOSB dstidx8:$dst), 0>;
2753 def : InstAlias<"stosw $dst", (STOSW dstidx16:$dst), 0>;
2754 def : InstAlias<"stos{l|d} $dst", (STOSL dstidx32:$dst), 0>;
2755 def : InstAlias<"stosq $dst", (STOSQ dstidx64:$dst), 0>, Requires<[In64BitMode]>;
2756 def : InstAlias<"stos {%al, $dst|$dst, al}", (STOSB dstidx8:$dst), 0>;
2757 def : InstAlias<"stos {%ax, $dst|$dst, ax}", (STOSW dstidx16:$dst), 0>;
2758 def : InstAlias<"stos {%eax, $dst|$dst, eax}", (STOSL dstidx32:$dst), 0>;
2759 def : InstAlias<"stos {%rax, $dst|$dst, rax}", (STOSQ dstidx64:$dst), 0>, Requires<[In64BitMode]>;
2761 // scas aliases. Accept the destination being omitted because it's implicit
2762 // in the mnemonic, or the mnemonic suffix being omitted because it's implicit
2763 // in the destination.
2764 def : InstAlias<"scasb $dst", (SCASB dstidx8:$dst), 0>;
2765 def : InstAlias<"scasw $dst", (SCASW dstidx16:$dst), 0>;
2766 def : InstAlias<"scas{l|d} $dst", (SCASL dstidx32:$dst), 0>;
2767 def : InstAlias<"scasq $dst", (SCASQ dstidx64:$dst), 0>, Requires<[In64BitMode]>;
2768 def : InstAlias<"scas {$dst, %al|al, $dst}", (SCASB dstidx8:$dst), 0>;
2769 def : InstAlias<"scas {$dst, %ax|ax, $dst}", (SCASW dstidx16:$dst), 0>;
2770 def : InstAlias<"scas {$dst, %eax|eax, $dst}", (SCASL dstidx32:$dst), 0>;
2771 def : InstAlias<"scas {$dst, %rax|rax, $dst}", (SCASQ dstidx64:$dst), 0>, Requires<[In64BitMode]>;
2773 // div and idiv aliases for explicit A register.
2774 def : InstAlias<"div{b}\t{$src, %al|al, $src}", (DIV8r GR8 :$src)>;
2775 def : InstAlias<"div{w}\t{$src, %ax|ax, $src}", (DIV16r GR16:$src)>;
2776 def : InstAlias<"div{l}\t{$src, %eax|eax, $src}", (DIV32r GR32:$src)>;
2777 def : InstAlias<"div{q}\t{$src, %rax|rax, $src}", (DIV64r GR64:$src)>;
2778 def : InstAlias<"div{b}\t{$src, %al|al, $src}", (DIV8m i8mem :$src)>;
2779 def : InstAlias<"div{w}\t{$src, %ax|ax, $src}", (DIV16m i16mem:$src)>;
2780 def : InstAlias<"div{l}\t{$src, %eax|eax, $src}", (DIV32m i32mem:$src)>;
2781 def : InstAlias<"div{q}\t{$src, %rax|rax, $src}", (DIV64m i64mem:$src)>;
2782 def : InstAlias<"idiv{b}\t{$src, %al|al, $src}", (IDIV8r GR8 :$src)>;
2783 def : InstAlias<"idiv{w}\t{$src, %ax|ax, $src}", (IDIV16r GR16:$src)>;
2784 def : InstAlias<"idiv{l}\t{$src, %eax|eax, $src}", (IDIV32r GR32:$src)>;
2785 def : InstAlias<"idiv{q}\t{$src, %rax|rax, $src}", (IDIV64r GR64:$src)>;
2786 def : InstAlias<"idiv{b}\t{$src, %al|al, $src}", (IDIV8m i8mem :$src)>;
2787 def : InstAlias<"idiv{w}\t{$src, %ax|ax, $src}", (IDIV16m i16mem:$src)>;
2788 def : InstAlias<"idiv{l}\t{$src, %eax|eax, $src}", (IDIV32m i32mem:$src)>;
2789 def : InstAlias<"idiv{q}\t{$src, %rax|rax, $src}", (IDIV64m i64mem:$src)>;
2793 // Various unary fpstack operations default to operating on on ST1.
2794 // For example, "fxch" -> "fxch %st(1)"
2795 def : InstAlias<"faddp", (ADD_FPrST0 ST1), 0>;
2796 def: InstAlias<"fadd", (ADD_FPrST0 ST1), 0>;
2797 def : InstAlias<"fsub{|r}p", (SUBR_FPrST0 ST1), 0>;
2798 def : InstAlias<"fsub{r|}p", (SUB_FPrST0 ST1), 0>;
2799 def : InstAlias<"fmul", (MUL_FPrST0 ST1), 0>;
2800 def : InstAlias<"fmulp", (MUL_FPrST0 ST1), 0>;
2801 def : InstAlias<"fdiv{|r}p", (DIVR_FPrST0 ST1), 0>;
2802 def : InstAlias<"fdiv{r|}p", (DIV_FPrST0 ST1), 0>;
2803 def : InstAlias<"fxch", (XCH_F ST1), 0>;
2804 def : InstAlias<"fcom", (COM_FST0r ST1), 0>;
2805 def : InstAlias<"fcomp", (COMP_FST0r ST1), 0>;
2806 def : InstAlias<"fcomi", (COM_FIr ST1), 0>;
2807 def : InstAlias<"fcompi", (COM_FIPr ST1), 0>;
2808 def : InstAlias<"fucom", (UCOM_Fr ST1), 0>;
2809 def : InstAlias<"fucomp", (UCOM_FPr ST1), 0>;
2810 def : InstAlias<"fucomi", (UCOM_FIr ST1), 0>;
2811 def : InstAlias<"fucompi", (UCOM_FIPr ST1), 0>;
2813 // Handle fmul/fadd/fsub/fdiv instructions with explicitly written st(0) op.
2814 // For example, "fadd %st(4), %st(0)" -> "fadd %st(4)". We also disambiguate
2815 // instructions like "fadd %st(0), %st(0)" as "fadd %st(0)" for consistency with
2817 multiclass FpUnaryAlias<string Mnemonic, Instruction Inst, bit EmitAlias = 1> {
2818 def : InstAlias<!strconcat(Mnemonic, "\t{$op, %st(0)|st(0), $op}"),
2819 (Inst RST:$op), EmitAlias>;
2820 def : InstAlias<!strconcat(Mnemonic, "\t{%st(0), %st(0)|st(0), st(0)}"),
2821 (Inst ST0), EmitAlias>;
2824 defm : FpUnaryAlias<"fadd", ADD_FST0r>;
2825 defm : FpUnaryAlias<"faddp", ADD_FPrST0, 0>;
2826 defm : FpUnaryAlias<"fsub", SUB_FST0r>;
2827 defm : FpUnaryAlias<"fsub{|r}p", SUBR_FPrST0>;
2828 defm : FpUnaryAlias<"fsubr", SUBR_FST0r>;
2829 defm : FpUnaryAlias<"fsub{r|}p", SUB_FPrST0>;
2830 defm : FpUnaryAlias<"fmul", MUL_FST0r>;
2831 defm : FpUnaryAlias<"fmulp", MUL_FPrST0>;
2832 defm : FpUnaryAlias<"fdiv", DIV_FST0r>;
2833 defm : FpUnaryAlias<"fdiv{|r}p", DIVR_FPrST0>;
2834 defm : FpUnaryAlias<"fdivr", DIVR_FST0r>;
2835 defm : FpUnaryAlias<"fdiv{r|}p", DIV_FPrST0>;
2836 defm : FpUnaryAlias<"fcomi", COM_FIr, 0>;
2837 defm : FpUnaryAlias<"fucomi", UCOM_FIr, 0>;
2838 defm : FpUnaryAlias<"fcompi", COM_FIPr>;
2839 defm : FpUnaryAlias<"fucompi", UCOM_FIPr>;
2842 // Handle "f{mulp,addp} st(0), $op" the same as "f{mulp,addp} $op", since they
2843 // commute. We also allow fdiv[r]p/fsubrp even though they don't commute,
2844 // solely because gas supports it.
2845 def : InstAlias<"faddp\t{%st(0), $op|$op, st(0)}", (ADD_FPrST0 RST:$op), 0>;
2846 def : InstAlias<"fmulp\t{%st(0), $op|$op, st(0)}", (MUL_FPrST0 RST:$op)>;
2847 def : InstAlias<"fsub{|r}p\t{%st(0), $op|$op, st(0)}", (SUBR_FPrST0 RST:$op)>;
2848 def : InstAlias<"fsub{r|}p\t{%st(0), $op|$op, st(0)}", (SUB_FPrST0 RST:$op)>;
2849 def : InstAlias<"fdiv{|r}p\t{%st(0), $op|$op, st(0)}", (DIVR_FPrST0 RST:$op)>;
2850 def : InstAlias<"fdiv{r|}p\t{%st(0), $op|$op, st(0)}", (DIV_FPrST0 RST:$op)>;
2852 // We accept "fnstsw %eax" even though it only writes %ax.
2853 def : InstAlias<"fnstsw\t{%eax|eax}", (FNSTSW16r)>;
2854 def : InstAlias<"fnstsw\t{%al|al}" , (FNSTSW16r)>;
2855 def : InstAlias<"fnstsw" , (FNSTSW16r)>;
2857 // lcall and ljmp aliases. This seems to be an odd mapping in 64-bit mode, but
2858 // this is compatible with what GAS does.
2859 def : InstAlias<"lcall $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg), 0>, Requires<[Not16BitMode]>;
2860 def : InstAlias<"ljmp $seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg), 0>, Requires<[Not16BitMode]>;
2861 def : InstAlias<"lcall {*}$dst", (FARCALL32m opaque48mem:$dst), 0>, Requires<[Not16BitMode]>;
2862 def : InstAlias<"ljmp {*}$dst", (FARJMP32m opaque48mem:$dst), 0>, Requires<[Not16BitMode]>;
2863 def : InstAlias<"lcall $seg, $off", (FARCALL16i i16imm:$off, i16imm:$seg), 0>, Requires<[In16BitMode]>;
2864 def : InstAlias<"ljmp $seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg), 0>, Requires<[In16BitMode]>;
2865 def : InstAlias<"lcall {*}$dst", (FARCALL16m opaque32mem:$dst), 0>, Requires<[In16BitMode]>;
2866 def : InstAlias<"ljmp {*}$dst", (FARJMP16m opaque32mem:$dst), 0>, Requires<[In16BitMode]>;
2868 def : InstAlias<"call {*}$dst", (CALL64m i64mem:$dst), 0>, Requires<[In64BitMode]>;
2869 def : InstAlias<"jmp {*}$dst", (JMP64m i64mem:$dst), 0>, Requires<[In64BitMode]>;
2870 def : InstAlias<"call {*}$dst", (CALL32m i32mem:$dst), 0>, Requires<[In32BitMode]>;
2871 def : InstAlias<"jmp {*}$dst", (JMP32m i32mem:$dst), 0>, Requires<[In32BitMode]>;
2872 def : InstAlias<"call {*}$dst", (CALL16m i16mem:$dst), 0>, Requires<[In16BitMode]>;
2873 def : InstAlias<"jmp {*}$dst", (JMP16m i16mem:$dst), 0>, Requires<[In16BitMode]>;
2876 // "imul <imm>, B" is an alias for "imul <imm>, B, B".
2877 def : InstAlias<"imul{w} {$imm, $r|$r, $imm}", (IMUL16rri GR16:$r, GR16:$r, i16imm:$imm), 0>;
2878 def : InstAlias<"imul{w} {$imm, $r|$r, $imm}", (IMUL16rri8 GR16:$r, GR16:$r, i16i8imm:$imm), 0>;
2879 def : InstAlias<"imul{l} {$imm, $r|$r, $imm}", (IMUL32rri GR32:$r, GR32:$r, i32imm:$imm), 0>;
2880 def : InstAlias<"imul{l} {$imm, $r|$r, $imm}", (IMUL32rri8 GR32:$r, GR32:$r, i32i8imm:$imm), 0>;
2881 def : InstAlias<"imul{q} {$imm, $r|$r, $imm}", (IMUL64rri32 GR64:$r, GR64:$r, i64i32imm:$imm), 0>;
2882 def : InstAlias<"imul{q} {$imm, $r|$r, $imm}", (IMUL64rri8 GR64:$r, GR64:$r, i64i8imm:$imm), 0>;
2884 // inb %dx -> inb %al, %dx
2885 def : InstAlias<"inb\t{%dx|dx}", (IN8rr), 0>;
2886 def : InstAlias<"inw\t{%dx|dx}", (IN16rr), 0>;
2887 def : InstAlias<"inl\t{%dx|dx}", (IN32rr), 0>;
2888 def : InstAlias<"inb\t$port", (IN8ri u8imm:$port), 0>;
2889 def : InstAlias<"inw\t$port", (IN16ri u8imm:$port), 0>;
2890 def : InstAlias<"inl\t$port", (IN32ri u8imm:$port), 0>;
2893 // jmp and call aliases for lcall and ljmp. jmp $42,$5 -> ljmp
2894 def : InstAlias<"call $seg, $off", (FARCALL16i i16imm:$off, i16imm:$seg)>, Requires<[In16BitMode]>;
2895 def : InstAlias<"jmp $seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg)>, Requires<[In16BitMode]>;
2896 def : InstAlias<"call $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg)>, Requires<[Not16BitMode]>;
2897 def : InstAlias<"jmp $seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg)>, Requires<[Not16BitMode]>;
2898 def : InstAlias<"callw $seg, $off", (FARCALL16i i16imm:$off, i16imm:$seg)>;
2899 def : InstAlias<"jmpw $seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg)>;
2900 def : InstAlias<"calll $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg)>;
2901 def : InstAlias<"jmpl $seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg)>;
2903 // Force mov without a suffix with a segment and mem to prefer the 'l' form of
2904 // the move. All segment/mem forms are equivalent, this has the shortest
2906 def : InstAlias<"mov {$mem, $seg|$seg, $mem}", (MOV32sm SEGMENT_REG:$seg, i32mem:$mem), 0>;
2907 def : InstAlias<"mov {$seg, $mem|$mem, $seg}", (MOV32ms i32mem:$mem, SEGMENT_REG:$seg), 0>;
2909 // Match 'movq <largeimm>, <reg>' as an alias for movabsq.
2910 def : InstAlias<"movq {$imm, $reg|$reg, $imm}", (MOV64ri GR64:$reg, i64imm:$imm), 0>;
2912 // Match 'movq GR64, MMX' as an alias for movd.
2913 def : InstAlias<"movq {$src, $dst|$dst, $src}",
2914 (MMX_MOVD64to64rr VR64:$dst, GR64:$src), 0>;
2915 def : InstAlias<"movq {$src, $dst|$dst, $src}",
2916 (MMX_MOVD64from64rr GR64:$dst, VR64:$src), 0>;
2919 def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX16rr8 GR16:$dst, GR8:$src), 0>;
2920 def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX16rm8 GR16:$dst, i8mem:$src), 0>;
2921 def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX32rr8 GR32:$dst, GR8:$src), 0>;
2922 def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX32rr16 GR32:$dst, GR16:$src), 0>;
2923 def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX64rr8 GR64:$dst, GR8:$src), 0>;
2924 def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX64rr16 GR64:$dst, GR16:$src), 0>;
2925 def : InstAlias<"movsx {$src, $dst|$dst, $src}", (MOVSX64rr32 GR64:$dst, GR32:$src), 0>;
2928 def : InstAlias<"movzx {$src, $dst|$dst, $src}", (MOVZX16rr8 GR16:$dst, GR8:$src), 0>;
2929 def : InstAlias<"movzx {$src, $dst|$dst, $src}", (MOVZX16rm8 GR16:$dst, i8mem:$src), 0>;
2930 def : InstAlias<"movzx {$src, $dst|$dst, $src}", (MOVZX32rr8 GR32:$dst, GR8:$src), 0>;
2931 def : InstAlias<"movzx {$src, $dst|$dst, $src}", (MOVZX32rr16 GR32:$dst, GR16:$src), 0>;
2932 def : InstAlias<"movzx {$src, $dst|$dst, $src}", (MOVZX64rr8_Q GR64:$dst, GR8:$src), 0>;
2933 def : InstAlias<"movzx {$src, $dst|$dst, $src}", (MOVZX64rr16_Q GR64:$dst, GR16:$src), 0>;
2934 // Note: No GR32->GR64 movzx form.
2936 // outb %dx -> outb %al, %dx
2937 def : InstAlias<"outb\t{%dx|dx}", (OUT8rr), 0>;
2938 def : InstAlias<"outw\t{%dx|dx}", (OUT16rr), 0>;
2939 def : InstAlias<"outl\t{%dx|dx}", (OUT32rr), 0>;
2940 def : InstAlias<"outb\t$port", (OUT8ir u8imm:$port), 0>;
2941 def : InstAlias<"outw\t$port", (OUT16ir u8imm:$port), 0>;
2942 def : InstAlias<"outl\t$port", (OUT32ir u8imm:$port), 0>;
2944 // 'sldt <mem>' can be encoded with either sldtw or sldtq with the same
2945 // effect (both store to a 16-bit mem). Force to sldtw to avoid ambiguity
2946 // errors, since its encoding is the most compact.
2947 def : InstAlias<"sldt $mem", (SLDT16m i16mem:$mem), 0>;
2949 // shld/shrd op,op -> shld op, op, CL
2950 def : InstAlias<"shld{w}\t{$r2, $r1|$r1, $r2}", (SHLD16rrCL GR16:$r1, GR16:$r2), 0>;
2951 def : InstAlias<"shld{l}\t{$r2, $r1|$r1, $r2}", (SHLD32rrCL GR32:$r1, GR32:$r2), 0>;
2952 def : InstAlias<"shld{q}\t{$r2, $r1|$r1, $r2}", (SHLD64rrCL GR64:$r1, GR64:$r2), 0>;
2953 def : InstAlias<"shrd{w}\t{$r2, $r1|$r1, $r2}", (SHRD16rrCL GR16:$r1, GR16:$r2), 0>;
2954 def : InstAlias<"shrd{l}\t{$r2, $r1|$r1, $r2}", (SHRD32rrCL GR32:$r1, GR32:$r2), 0>;
2955 def : InstAlias<"shrd{q}\t{$r2, $r1|$r1, $r2}", (SHRD64rrCL GR64:$r1, GR64:$r2), 0>;
2957 def : InstAlias<"shld{w}\t{$reg, $mem|$mem, $reg}", (SHLD16mrCL i16mem:$mem, GR16:$reg), 0>;
2958 def : InstAlias<"shld{l}\t{$reg, $mem|$mem, $reg}", (SHLD32mrCL i32mem:$mem, GR32:$reg), 0>;
2959 def : InstAlias<"shld{q}\t{$reg, $mem|$mem, $reg}", (SHLD64mrCL i64mem:$mem, GR64:$reg), 0>;
2960 def : InstAlias<"shrd{w}\t{$reg, $mem|$mem, $reg}", (SHRD16mrCL i16mem:$mem, GR16:$reg), 0>;
2961 def : InstAlias<"shrd{l}\t{$reg, $mem|$mem, $reg}", (SHRD32mrCL i32mem:$mem, GR32:$reg), 0>;
2962 def : InstAlias<"shrd{q}\t{$reg, $mem|$mem, $reg}", (SHRD64mrCL i64mem:$mem, GR64:$reg), 0>;
2964 /* FIXME: This is disabled because the asm matcher is currently incapable of
2965 * matching a fixed immediate like $1.
2966 // "shl X, $1" is an alias for "shl X".
2967 multiclass ShiftRotateByOneAlias<string Mnemonic, string Opc> {
2968 def : InstAlias<!strconcat(Mnemonic, "b $op, $$1"),
2969 (!cast<Instruction>(!strconcat(Opc, "8r1")) GR8:$op)>;
2970 def : InstAlias<!strconcat(Mnemonic, "w $op, $$1"),
2971 (!cast<Instruction>(!strconcat(Opc, "16r1")) GR16:$op)>;
2972 def : InstAlias<!strconcat(Mnemonic, "l $op, $$1"),
2973 (!cast<Instruction>(!strconcat(Opc, "32r1")) GR32:$op)>;
2974 def : InstAlias<!strconcat(Mnemonic, "q $op, $$1"),
2975 (!cast<Instruction>(!strconcat(Opc, "64r1")) GR64:$op)>;
2976 def : InstAlias<!strconcat(Mnemonic, "b $op, $$1"),
2977 (!cast<Instruction>(!strconcat(Opc, "8m1")) i8mem:$op)>;
2978 def : InstAlias<!strconcat(Mnemonic, "w $op, $$1"),
2979 (!cast<Instruction>(!strconcat(Opc, "16m1")) i16mem:$op)>;
2980 def : InstAlias<!strconcat(Mnemonic, "l $op, $$1"),
2981 (!cast<Instruction>(!strconcat(Opc, "32m1")) i32mem:$op)>;
2982 def : InstAlias<!strconcat(Mnemonic, "q $op, $$1"),
2983 (!cast<Instruction>(!strconcat(Opc, "64m1")) i64mem:$op)>;
2986 defm : ShiftRotateByOneAlias<"rcl", "RCL">;
2987 defm : ShiftRotateByOneAlias<"rcr", "RCR">;
2988 defm : ShiftRotateByOneAlias<"rol", "ROL">;
2989 defm : ShiftRotateByOneAlias<"ror", "ROR">;
2992 // test: We accept "testX <reg>, <mem>" and "testX <mem>, <reg>" as synonyms.
2993 def : InstAlias<"test{b}\t{$val, $mem|$mem, $val}",
2994 (TEST8rm GR8 :$val, i8mem :$mem), 0>;
2995 def : InstAlias<"test{w}\t{$val, $mem|$mem, $val}",
2996 (TEST16rm GR16:$val, i16mem:$mem), 0>;
2997 def : InstAlias<"test{l}\t{$val, $mem|$mem, $val}",
2998 (TEST32rm GR32:$val, i32mem:$mem), 0>;
2999 def : InstAlias<"test{q}\t{$val, $mem|$mem, $val}",
3000 (TEST64rm GR64:$val, i64mem:$mem), 0>;
3002 // xchg: We accept "xchgX <reg>, <mem>" and "xchgX <mem>, <reg>" as synonyms.
3003 def : InstAlias<"xchg{b}\t{$mem, $val|$val, $mem}",
3004 (XCHG8rm GR8 :$val, i8mem :$mem), 0>;
3005 def : InstAlias<"xchg{w}\t{$mem, $val|$val, $mem}",
3006 (XCHG16rm GR16:$val, i16mem:$mem), 0>;
3007 def : InstAlias<"xchg{l}\t{$mem, $val|$val, $mem}",
3008 (XCHG32rm GR32:$val, i32mem:$mem), 0>;
3009 def : InstAlias<"xchg{q}\t{$mem, $val|$val, $mem}",
3010 (XCHG64rm GR64:$val, i64mem:$mem), 0>;
3012 // xchg: We accept "xchgX <reg>, %eax" and "xchgX %eax, <reg>" as synonyms.
3013 def : InstAlias<"xchg{w}\t{%ax, $src|$src, ax}", (XCHG16ar GR16:$src), 0>;
3014 def : InstAlias<"xchg{l}\t{%eax, $src|$src, eax}",
3015 (XCHG32ar GR32:$src), 0>, Requires<[Not64BitMode]>;
3016 def : InstAlias<"xchg{l}\t{%eax, $src|$src, eax}",
3017 (XCHG32ar64 GR32_NOAX:$src), 0>, Requires<[In64BitMode]>;
3018 def : InstAlias<"xchg{q}\t{%rax, $src|$src, rax}", (XCHG64ar GR64:$src), 0>;
3020 // These aliases exist to get the parser to prioritize matching 8-bit
3021 // immediate encodings over matching the implicit ax/eax/rax encodings. By
3022 // explicitly mentioning the A register here, these entries will be ordered
3023 // first due to the more explicit immediate type.
3024 def : InstAlias<"adc{w}\t{$imm, %ax|ax, $imm}", (ADC16ri8 AX, i16i8imm:$imm), 0>;
3025 def : InstAlias<"add{w}\t{$imm, %ax|ax, $imm}", (ADD16ri8 AX, i16i8imm:$imm), 0>;
3026 def : InstAlias<"and{w}\t{$imm, %ax|ax, $imm}", (AND16ri8 AX, i16i8imm:$imm), 0>;
3027 def : InstAlias<"cmp{w}\t{$imm, %ax|ax, $imm}", (CMP16ri8 AX, i16i8imm:$imm), 0>;
3028 def : InstAlias<"or{w}\t{$imm, %ax|ax, $imm}", (OR16ri8 AX, i16i8imm:$imm), 0>;
3029 def : InstAlias<"sbb{w}\t{$imm, %ax|ax, $imm}", (SBB16ri8 AX, i16i8imm:$imm), 0>;
3030 def : InstAlias<"sub{w}\t{$imm, %ax|ax, $imm}", (SUB16ri8 AX, i16i8imm:$imm), 0>;
3031 def : InstAlias<"xor{w}\t{$imm, %ax|ax, $imm}", (XOR16ri8 AX, i16i8imm:$imm), 0>;
3033 def : InstAlias<"adc{l}\t{$imm, %eax|eax, $imm}", (ADC32ri8 EAX, i32i8imm:$imm), 0>;
3034 def : InstAlias<"add{l}\t{$imm, %eax|eax, $imm}", (ADD32ri8 EAX, i32i8imm:$imm), 0>;
3035 def : InstAlias<"and{l}\t{$imm, %eax|eax, $imm}", (AND32ri8 EAX, i32i8imm:$imm), 0>;
3036 def : InstAlias<"cmp{l}\t{$imm, %eax|eax, $imm}", (CMP32ri8 EAX, i32i8imm:$imm), 0>;
3037 def : InstAlias<"or{l}\t{$imm, %eax|eax, $imm}", (OR32ri8 EAX, i32i8imm:$imm), 0>;
3038 def : InstAlias<"sbb{l}\t{$imm, %eax|eax, $imm}", (SBB32ri8 EAX, i32i8imm:$imm), 0>;
3039 def : InstAlias<"sub{l}\t{$imm, %eax|eax, $imm}", (SUB32ri8 EAX, i32i8imm:$imm), 0>;
3040 def : InstAlias<"xor{l}\t{$imm, %eax|eax, $imm}", (XOR32ri8 EAX, i32i8imm:$imm), 0>;
3042 def : InstAlias<"adc{q}\t{$imm, %rax|rax, $imm}", (ADC64ri8 RAX, i64i8imm:$imm), 0>;
3043 def : InstAlias<"add{q}\t{$imm, %rax|rax, $imm}", (ADD64ri8 RAX, i64i8imm:$imm), 0>;
3044 def : InstAlias<"and{q}\t{$imm, %rax|rax, $imm}", (AND64ri8 RAX, i64i8imm:$imm), 0>;
3045 def : InstAlias<"cmp{q}\t{$imm, %rax|rax, $imm}", (CMP64ri8 RAX, i64i8imm:$imm), 0>;
3046 def : InstAlias<"or{q}\t{$imm, %rax|rax, $imm}", (OR64ri8 RAX, i64i8imm:$imm), 0>;
3047 def : InstAlias<"sbb{q}\t{$imm, %rax|rax, $imm}", (SBB64ri8 RAX, i64i8imm:$imm), 0>;
3048 def : InstAlias<"sub{q}\t{$imm, %rax|rax, $imm}", (SUB64ri8 RAX, i64i8imm:$imm), 0>;
3049 def : InstAlias<"xor{q}\t{$imm, %rax|rax, $imm}", (XOR64ri8 RAX, i64i8imm:$imm), 0>;