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 SDTX86Cmov : SDTypeProfile<1, 4,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>,
28 SDTCisVT<3, i8>, SDTCisVT<4, i32>]>;
30 // Unary and binary operator instructions that set EFLAGS as a side-effect.
31 def SDTUnaryArithWithFlags : SDTypeProfile<2, 1,
32 [SDTCisInt<0>, SDTCisVT<1, i32>]>;
34 def SDTBinaryArithWithFlags : SDTypeProfile<2, 2,
37 SDTCisInt<0>, SDTCisVT<1, i32>]>;
38 def SDTX86BrCond : SDTypeProfile<0, 3,
39 [SDTCisVT<0, OtherVT>,
40 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
42 def SDTX86SetCC : SDTypeProfile<1, 2,
44 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
45 def SDTX86SetCC_C : SDTypeProfile<1, 2,
47 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
49 def SDTX86cas : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisInt<1>,
51 def SDTX86cas8 : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
53 def SDTX86atomicBinary : SDTypeProfile<2, 3, [SDTCisInt<0>, SDTCisInt<1>,
54 SDTCisPtrTy<2>, SDTCisInt<3>,SDTCisInt<4>]>;
55 def SDTX86Ret : SDTypeProfile<0, -1, [SDTCisVT<0, i16>]>;
57 def SDT_X86CallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
58 def SDT_X86CallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>,
61 def SDT_X86Call : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>;
63 def SDT_X86VASTART_SAVE_XMM_REGS : SDTypeProfile<0, -1, [SDTCisVT<0, i8>,
67 def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
69 def SDTX86Void : SDTypeProfile<0, 0, []>;
71 def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
73 def SDT_X86TLSADDR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
75 def SDT_X86TLSCALL : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
77 def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
79 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
81 def SDT_X86MEMBARRIER : SDTypeProfile<0, 0, []>;
82 def SDT_X86MEMBARRIERNoSSE : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
84 def X86MemBarrier : SDNode<"X86ISD::MEMBARRIER", SDT_X86MEMBARRIER,
86 def X86MemBarrierNoSSE : SDNode<"X86ISD::MEMBARRIER", SDT_X86MEMBARRIERNoSSE,
88 def X86MFence : SDNode<"X86ISD::MFENCE", SDT_X86MEMBARRIER,
90 def X86SFence : SDNode<"X86ISD::SFENCE", SDT_X86MEMBARRIER,
92 def X86LFence : SDNode<"X86ISD::LFENCE", SDT_X86MEMBARRIER,
96 def X86bsf : SDNode<"X86ISD::BSF", SDTUnaryArithWithFlags>;
97 def X86bsr : SDNode<"X86ISD::BSR", SDTUnaryArithWithFlags>;
98 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
99 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
101 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
102 def X86bt : SDNode<"X86ISD::BT", SDTX86CmpTest>;
104 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
105 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
107 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
108 def X86setcc_c : SDNode<"X86ISD::SETCC_CARRY", SDTX86SetCC_C>;
110 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
111 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
112 SDNPMayLoad, SDNPMemOperand]>;
113 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86cas8,
114 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
115 SDNPMayLoad, SDNPMemOperand]>;
116 def X86AtomAdd64 : SDNode<"X86ISD::ATOMADD64_DAG", SDTX86atomicBinary,
117 [SDNPHasChain, SDNPMayStore,
118 SDNPMayLoad, SDNPMemOperand]>;
119 def X86AtomSub64 : SDNode<"X86ISD::ATOMSUB64_DAG", SDTX86atomicBinary,
120 [SDNPHasChain, SDNPMayStore,
121 SDNPMayLoad, SDNPMemOperand]>;
122 def X86AtomOr64 : SDNode<"X86ISD::ATOMOR64_DAG", SDTX86atomicBinary,
123 [SDNPHasChain, SDNPMayStore,
124 SDNPMayLoad, SDNPMemOperand]>;
125 def X86AtomXor64 : SDNode<"X86ISD::ATOMXOR64_DAG", SDTX86atomicBinary,
126 [SDNPHasChain, SDNPMayStore,
127 SDNPMayLoad, SDNPMemOperand]>;
128 def X86AtomAnd64 : SDNode<"X86ISD::ATOMAND64_DAG", SDTX86atomicBinary,
129 [SDNPHasChain, SDNPMayStore,
130 SDNPMayLoad, SDNPMemOperand]>;
131 def X86AtomNand64 : SDNode<"X86ISD::ATOMNAND64_DAG", SDTX86atomicBinary,
132 [SDNPHasChain, SDNPMayStore,
133 SDNPMayLoad, SDNPMemOperand]>;
134 def X86AtomSwap64 : SDNode<"X86ISD::ATOMSWAP64_DAG", SDTX86atomicBinary,
135 [SDNPHasChain, SDNPMayStore,
136 SDNPMayLoad, SDNPMemOperand]>;
137 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
138 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
140 def X86vastart_save_xmm_regs :
141 SDNode<"X86ISD::VASTART_SAVE_XMM_REGS",
142 SDT_X86VASTART_SAVE_XMM_REGS,
143 [SDNPHasChain, SDNPVariadic]>;
145 def X86callseq_start :
146 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
147 [SDNPHasChain, SDNPOutFlag]>;
149 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
150 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
152 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
153 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag,
156 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
157 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore]>;
158 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
159 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
162 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG", SDTX86Void,
163 [SDNPHasChain, SDNPOutFlag, SDNPSideEffect]>;
165 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
166 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
168 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
169 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
171 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
174 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
175 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
177 def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags,
179 def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
180 def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags,
182 def X86umul_flag : SDNode<"X86ISD::UMUL", SDTUnaryArithWithFlags,
185 def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>;
186 def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>;
187 def X86or_flag : SDNode<"X86ISD::OR", SDTBinaryArithWithFlags,
189 def X86xor_flag : SDNode<"X86ISD::XOR", SDTBinaryArithWithFlags,
191 def X86and_flag : SDNode<"X86ISD::AND", SDTBinaryArithWithFlags,
194 def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
196 def X86MingwAlloca : SDNode<"X86ISD::MINGW_ALLOCA", SDTX86Void,
197 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
199 def X86TLSCall : SDNode<"X86ISD::TLSCALL", SDT_X86TLSCALL,
202 //===----------------------------------------------------------------------===//
203 // X86 Operand Definitions.
206 // A version of ptr_rc which excludes SP, ESP, and RSP. This is used for
207 // the index operand of an address, to conform to x86 encoding restrictions.
208 def ptr_rc_nosp : PointerLikeRegClass<1>;
210 // *mem - Operand definitions for the funky X86 addressing mode operands.
212 def X86MemAsmOperand : AsmOperandClass {
214 let SuperClasses = [];
216 def X86AbsMemAsmOperand : AsmOperandClass {
218 let SuperClasses = [X86MemAsmOperand];
220 class X86MemOperand<string printMethod> : Operand<iPTR> {
221 let PrintMethod = printMethod;
222 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc_nosp, i32imm, i8imm);
223 let ParserMatchClass = X86MemAsmOperand;
226 def opaque32mem : X86MemOperand<"printopaquemem">;
227 def opaque48mem : X86MemOperand<"printopaquemem">;
228 def opaque80mem : X86MemOperand<"printopaquemem">;
229 def opaque512mem : X86MemOperand<"printopaquemem">;
231 def i8mem : X86MemOperand<"printi8mem">;
232 def i16mem : X86MemOperand<"printi16mem">;
233 def i32mem : X86MemOperand<"printi32mem">;
234 def i64mem : X86MemOperand<"printi64mem">;
235 def i128mem : X86MemOperand<"printi128mem">;
236 def i256mem : X86MemOperand<"printi256mem">;
237 def f32mem : X86MemOperand<"printf32mem">;
238 def f64mem : X86MemOperand<"printf64mem">;
239 def f80mem : X86MemOperand<"printf80mem">;
240 def f128mem : X86MemOperand<"printf128mem">;
241 def f256mem : X86MemOperand<"printf256mem">;
243 // A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
244 // plain GR64, so that it doesn't potentially require a REX prefix.
245 def i8mem_NOREX : Operand<i64> {
246 let PrintMethod = "printi8mem";
247 let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_NOREX_NOSP, i32imm, i8imm);
248 let ParserMatchClass = X86MemAsmOperand;
251 // Special i32mem for addresses of load folding tail calls. These are not
252 // allowed to use callee-saved registers since they must be scheduled
253 // after callee-saved register are popped.
254 def i32mem_TC : Operand<i32> {
255 let PrintMethod = "printi32mem";
256 let MIOperandInfo = (ops GR32_TC, i8imm, GR32_TC, i32imm, i8imm);
257 let ParserMatchClass = X86MemAsmOperand;
261 let ParserMatchClass = X86AbsMemAsmOperand,
262 PrintMethod = "print_pcrel_imm" in {
263 def i32imm_pcrel : Operand<i32>;
264 def i16imm_pcrel : Operand<i16>;
266 def offset8 : Operand<i64>;
267 def offset16 : Operand<i64>;
268 def offset32 : Operand<i64>;
269 def offset64 : Operand<i64>;
271 // Branch targets have OtherVT type and print as pc-relative values.
272 def brtarget : Operand<OtherVT>;
273 def brtarget8 : Operand<OtherVT>;
277 def SSECC : Operand<i8> {
278 let PrintMethod = "printSSECC";
281 class ImmSExtAsmOperandClass : AsmOperandClass {
282 let SuperClasses = [ImmAsmOperand];
283 let RenderMethod = "addImmOperands";
286 // Sign-extended immediate classes. We don't need to define the full lattice
287 // here because there is no instruction with an ambiguity between ImmSExti64i32
290 // The strange ranges come from the fact that the assembler always works with
291 // 64-bit immediates, but for a 16-bit target value we want to accept both "-1"
292 // (which will be a -1ULL), and "0xFF" (-1 in 16-bits).
295 // [0xFFFFFFFF80000000, 0xFFFFFFFFFFFFFFFF]
296 def ImmSExti64i32AsmOperand : ImmSExtAsmOperandClass {
297 let Name = "ImmSExti64i32";
300 // [0, 0x0000007F] | [0x000000000000FF80, 0x000000000000FFFF] |
301 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
302 def ImmSExti16i8AsmOperand : ImmSExtAsmOperandClass {
303 let Name = "ImmSExti16i8";
304 let SuperClasses = [ImmSExti64i32AsmOperand];
307 // [0, 0x0000007F] | [0x00000000FFFFFF80, 0x00000000FFFFFFFF] |
308 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
309 def ImmSExti32i8AsmOperand : ImmSExtAsmOperandClass {
310 let Name = "ImmSExti32i8";
314 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
315 def ImmSExti64i8AsmOperand : ImmSExtAsmOperandClass {
316 let Name = "ImmSExti64i8";
317 let SuperClasses = [ImmSExti16i8AsmOperand, ImmSExti32i8AsmOperand,
318 ImmSExti64i32AsmOperand];
321 // A couple of more descriptive operand definitions.
322 // 16-bits but only 8 bits are significant.
323 def i16i8imm : Operand<i16> {
324 let ParserMatchClass = ImmSExti16i8AsmOperand;
326 // 32-bits but only 8 bits are significant.
327 def i32i8imm : Operand<i32> {
328 let ParserMatchClass = ImmSExti32i8AsmOperand;
331 //===----------------------------------------------------------------------===//
332 // X86 Complex Pattern Definitions.
335 // Define X86 specific addressing mode.
336 def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], [SDNPWantParent]>;
337 def lea32addr : ComplexPattern<i32, 5, "SelectLEAAddr",
338 [add, sub, mul, X86mul_imm, shl, or, frameindex],
340 def tls32addr : ComplexPattern<i32, 5, "SelectTLSADDRAddr",
341 [tglobaltlsaddr], []>;
343 //===----------------------------------------------------------------------===//
344 // X86 Instruction Predicate Definitions.
345 def HasCMov : Predicate<"Subtarget->hasCMov()">;
346 def NoCMov : Predicate<"!Subtarget->hasCMov()">;
348 // FIXME: temporary hack to let codegen assert or generate poor code in case
349 // no AVX version of the desired intructions is present, this is better for
350 // incremental dev (without fallbacks it's easier to spot what's missing)
351 def HasMMX : Predicate<"Subtarget->hasMMX() && !Subtarget->hasAVX()">;
352 def Has3DNow : Predicate<"Subtarget->has3DNow()">;
353 def Has3DNowA : Predicate<"Subtarget->has3DNowA()">;
354 def HasSSE1 : Predicate<"Subtarget->hasSSE1() && !Subtarget->hasAVX()">;
355 def HasSSE2 : Predicate<"Subtarget->hasSSE2() && !Subtarget->hasAVX()">;
356 def HasSSE3 : Predicate<"Subtarget->hasSSE3() && !Subtarget->hasAVX()">;
357 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3() && !Subtarget->hasAVX()">;
358 def HasSSE41 : Predicate<"Subtarget->hasSSE41() && !Subtarget->hasAVX()">;
359 def HasSSE42 : Predicate<"Subtarget->hasSSE42() && !Subtarget->hasAVX()">;
360 def HasSSE4A : Predicate<"Subtarget->hasSSE4A() && !Subtarget->hasAVX()">;
362 def HasAVX : Predicate<"Subtarget->hasAVX()">;
363 def HasCLMUL : Predicate<"Subtarget->hasCLMUL()">;
364 def HasFMA3 : Predicate<"Subtarget->hasFMA3()">;
365 def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
366 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
367 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
368 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
369 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
370 def IsWin64 : Predicate<"Subtarget->isTargetWin64()">;
371 def NotWin64 : Predicate<"!Subtarget->isTargetWin64()">;
372 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
373 def KernelCode : Predicate<"TM.getCodeModel() == CodeModel::Kernel">;
374 def FarData : Predicate<"TM.getCodeModel() != CodeModel::Small &&"
375 "TM.getCodeModel() != CodeModel::Kernel">;
376 def NearData : Predicate<"TM.getCodeModel() == CodeModel::Small ||"
377 "TM.getCodeModel() == CodeModel::Kernel">;
378 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
379 def IsNotPIC : Predicate<"TM.getRelocationModel() != Reloc::PIC_">;
380 def OptForSize : Predicate<"OptForSize">;
381 def OptForSpeed : Predicate<"!OptForSize">;
382 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
383 def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
384 def HasAES : Predicate<"Subtarget->hasAES()">;
386 //===----------------------------------------------------------------------===//
387 // X86 Instruction Format Definitions.
390 include "X86InstrFormats.td"
392 //===----------------------------------------------------------------------===//
393 // Pattern fragments...
396 // X86 specific condition code. These correspond to CondCode in
397 // X86InstrInfo.h. They must be kept in synch.
398 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
399 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
400 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
401 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
402 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
403 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
404 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
405 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
406 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
407 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
408 def X86_COND_NO : PatLeaf<(i8 10)>;
409 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
410 def X86_COND_NS : PatLeaf<(i8 12)>;
411 def X86_COND_O : PatLeaf<(i8 13)>;
412 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
413 def X86_COND_S : PatLeaf<(i8 15)>;
415 def immSext8 : PatLeaf<(imm), [{ return immSext8(N); }]>;
417 def i16immSExt8 : PatLeaf<(i16 immSext8)>;
418 def i32immSExt8 : PatLeaf<(i32 immSext8)>;
420 // Helper fragments for loads.
421 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
422 // known to be 32-bit aligned or better. Ditto for i8 to i16.
423 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
424 LoadSDNode *LD = cast<LoadSDNode>(N);
425 ISD::LoadExtType ExtType = LD->getExtensionType();
426 if (ExtType == ISD::NON_EXTLOAD)
428 if (ExtType == ISD::EXTLOAD)
429 return LD->getAlignment() >= 2 && !LD->isVolatile();
433 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)),[{
434 LoadSDNode *LD = cast<LoadSDNode>(N);
435 ISD::LoadExtType ExtType = LD->getExtensionType();
436 if (ExtType == ISD::EXTLOAD)
437 return LD->getAlignment() >= 2 && !LD->isVolatile();
441 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
442 LoadSDNode *LD = cast<LoadSDNode>(N);
443 ISD::LoadExtType ExtType = LD->getExtensionType();
444 if (ExtType == ISD::NON_EXTLOAD)
446 if (ExtType == ISD::EXTLOAD)
447 return LD->getAlignment() >= 4 && !LD->isVolatile();
451 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
452 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr))>;
453 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
454 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
455 def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr))>;
457 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
458 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
459 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
461 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
462 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
463 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
464 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
465 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
466 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
468 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
469 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
470 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
471 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
472 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
473 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
476 // An 'and' node with a single use.
477 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
478 return N->hasOneUse();
480 // An 'srl' node with a single use.
481 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
482 return N->hasOneUse();
484 // An 'trunc' node with a single use.
485 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
486 return N->hasOneUse();
489 // Treat an 'or' node is as an 'add' if the or'ed bits are known to be zero.
490 def or_is_add : PatFrag<(ops node:$lhs, node:$rhs), (or node:$lhs, node:$rhs),[{
491 if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N->getOperand(1)))
492 return CurDAG->MaskedValueIsZero(N->getOperand(0), CN->getAPIntValue());
494 unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits();
495 APInt Mask = APInt::getAllOnesValue(BitWidth);
496 APInt KnownZero0, KnownOne0;
497 CurDAG->ComputeMaskedBits(N->getOperand(0), Mask, KnownZero0, KnownOne0, 0);
498 APInt KnownZero1, KnownOne1;
499 CurDAG->ComputeMaskedBits(N->getOperand(1), Mask, KnownZero1, KnownOne1, 0);
500 return (~KnownZero0 & ~KnownZero1) == 0;
503 //===----------------------------------------------------------------------===//
507 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
508 // a stack adjustment and the codegen must know that they may modify the stack
509 // pointer before prolog-epilog rewriting occurs.
510 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
511 // sub / add which can clobber EFLAGS.
512 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
513 def ADJCALLSTACKDOWN32 : I<0, Pseudo, (outs), (ins i32imm:$amt),
515 [(X86callseq_start timm:$amt)]>,
516 Requires<[In32BitMode]>;
517 def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
519 [(X86callseq_end timm:$amt1, timm:$amt2)]>,
520 Requires<[In32BitMode]>;
523 // x86-64 va_start lowering magic.
524 let usesCustomInserter = 1 in {
525 def VASTART_SAVE_XMM_REGS : I<0, Pseudo,
528 i64imm:$regsavefi, i64imm:$offset,
530 "#VASTART_SAVE_XMM_REGS $al, $regsavefi, $offset",
531 [(X86vastart_save_xmm_regs GR8:$al,
535 // Dynamic stack allocation yields _alloca call for Cygwin/Mingw targets. Calls
536 // to _alloca is needed to probe the stack when allocating more than 4k bytes in
537 // one go. Touching the stack at 4K increments is necessary to ensure that the
538 // guard pages used by the OS virtual memory manager are allocated in correct
540 // The main point of having separate instruction are extra unmodelled effects
541 // (compared to ordinary calls) like stack pointer change.
543 let Defs = [EAX, ESP, EFLAGS], Uses = [ESP] in
544 def MINGW_ALLOCA : I<0, Pseudo, (outs), (ins),
545 "# dynamic stack allocation",
550 let neverHasSideEffects = 1 in {
551 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
552 def NOOPW : I<0x1f, MRM0m, (outs), (ins i16mem:$zero),
553 "nop{w}\t$zero", []>, TB, OpSize;
554 def NOOPL : I<0x1f, MRM0m, (outs), (ins i32mem:$zero),
555 "nop{l}\t$zero", []>, TB;
558 // PIC base construction. This expands to code that looks like this:
561 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
562 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins i32imm:$label),
565 //===----------------------------------------------------------------------===//
566 // Control Flow Instructions.
569 // Return instructions.
570 let isTerminator = 1, isReturn = 1, isBarrier = 1,
571 hasCtrlDep = 1, FPForm = SpecialFP in {
572 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
575 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
577 [(X86retflag timm:$amt)]>;
578 def LRET : I <0xCB, RawFrm, (outs), (ins),
580 def LRETI : Ii16<0xCA, RawFrm, (outs), (ins i16imm:$amt),
584 // Unconditional branches.
585 let isBarrier = 1, isBranch = 1, isTerminator = 1 in {
586 def JMP_4 : Ii32PCRel<0xE9, RawFrm, (outs), (ins brtarget:$dst),
587 "jmp\t$dst", [(br bb:$dst)]>;
588 def JMP_1 : Ii8PCRel<0xEB, RawFrm, (outs), (ins brtarget8:$dst),
592 // Conditional Branches.
593 let isBranch = 1, isTerminator = 1, Uses = [EFLAGS] in {
594 multiclass ICBr<bits<8> opc1, bits<8> opc4, string asm, PatFrag Cond> {
595 def _1 : Ii8PCRel <opc1, RawFrm, (outs), (ins brtarget8:$dst), asm, []>;
596 def _4 : Ii32PCRel<opc4, RawFrm, (outs), (ins brtarget:$dst), asm,
597 [(X86brcond bb:$dst, Cond, EFLAGS)]>, TB;
601 defm JO : ICBr<0x70, 0x80, "jo\t$dst" , X86_COND_O>;
602 defm JNO : ICBr<0x71, 0x81, "jno\t$dst" , X86_COND_NO>;
603 defm JB : ICBr<0x72, 0x82, "jb\t$dst" , X86_COND_B>;
604 defm JAE : ICBr<0x73, 0x83, "jae\t$dst", X86_COND_AE>;
605 defm JE : ICBr<0x74, 0x84, "je\t$dst" , X86_COND_E>;
606 defm JNE : ICBr<0x75, 0x85, "jne\t$dst", X86_COND_NE>;
607 defm JBE : ICBr<0x76, 0x86, "jbe\t$dst", X86_COND_BE>;
608 defm JA : ICBr<0x77, 0x87, "ja\t$dst" , X86_COND_A>;
609 defm JS : ICBr<0x78, 0x88, "js\t$dst" , X86_COND_S>;
610 defm JNS : ICBr<0x79, 0x89, "jns\t$dst", X86_COND_NS>;
611 defm JP : ICBr<0x7A, 0x8A, "jp\t$dst" , X86_COND_P>;
612 defm JNP : ICBr<0x7B, 0x8B, "jnp\t$dst", X86_COND_NP>;
613 defm JL : ICBr<0x7C, 0x8C, "jl\t$dst" , X86_COND_L>;
614 defm JGE : ICBr<0x7D, 0x8D, "jge\t$dst", X86_COND_GE>;
615 defm JLE : ICBr<0x7E, 0x8E, "jle\t$dst", X86_COND_LE>;
616 defm JG : ICBr<0x7F, 0x8F, "jg\t$dst" , X86_COND_G>;
618 // jcx/jecx/jrcx instructions.
619 let isAsmParserOnly = 1, isBranch = 1, isTerminator = 1 in {
620 // These are the 32-bit versions of this instruction for the asmparser. In
621 // 32-bit mode, the address size prefix is jcxz and the unprefixed version is
624 def JCXZ : Ii8PCRel<0xE3, RawFrm, (outs), (ins brtarget8:$dst),
625 "jcxz\t$dst", []>, AdSize, Requires<[In32BitMode]>;
627 def JECXZ_32 : Ii8PCRel<0xE3, RawFrm, (outs), (ins brtarget8:$dst),
628 "jecxz\t$dst", []>, Requires<[In32BitMode]>;
630 // J*CXZ instruction: 64-bit versions of this instruction for the asmparser.
631 // In 64-bit mode, the address size prefix is jecxz and the unprefixed version
634 def JECXZ_64 : Ii8PCRel<0xE3, RawFrm, (outs), (ins brtarget8:$dst),
635 "jecxz\t$dst", []>, AdSize, Requires<[In64BitMode]>;
637 def JRCXZ : Ii8PCRel<0xE3, RawFrm, (outs), (ins brtarget8:$dst),
638 "jrcxz\t$dst", []>, Requires<[In64BitMode]>;
643 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
644 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
645 [(brind GR32:$dst)]>, Requires<[In32BitMode]>;
646 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
647 [(brind (loadi32 addr:$dst))]>, Requires<[In32BitMode]>;
649 def FARJMP16i : Iseg16<0xEA, RawFrmImm16, (outs),
650 (ins i16imm:$off, i16imm:$seg),
651 "ljmp{w}\t{$seg, $off|$off, $seg}", []>, OpSize;
652 def FARJMP32i : Iseg32<0xEA, RawFrmImm16, (outs),
653 (ins i32imm:$off, i16imm:$seg),
654 "ljmp{l}\t{$seg, $off|$off, $seg}", []>;
656 def FARJMP16m : I<0xFF, MRM5m, (outs), (ins opaque32mem:$dst),
657 "ljmp{w}\t{*}$dst", []>, OpSize;
658 def FARJMP32m : I<0xFF, MRM5m, (outs), (ins opaque48mem:$dst),
659 "ljmp{l}\t{*}$dst", []>;
665 def LOOP : Ii8PCRel<0xE2, RawFrm, (outs), (ins brtarget8:$dst), "loop\t$dst", []>;
666 def LOOPE : Ii8PCRel<0xE1, RawFrm, (outs), (ins brtarget8:$dst), "loope\t$dst", []>;
667 def LOOPNE : Ii8PCRel<0xE0, RawFrm, (outs), (ins brtarget8:$dst), "loopne\t$dst", []>;
669 //===----------------------------------------------------------------------===//
670 // Call Instructions...
673 // All calls clobber the non-callee saved registers. ESP is marked as
674 // a use to prevent stack-pointer assignments that appear immediately
675 // before calls from potentially appearing dead. Uses for argument
676 // registers are added manually.
677 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
678 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
679 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
680 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
682 def CALLpcrel32 : Ii32PCRel<0xE8, RawFrm,
683 (outs), (ins i32imm_pcrel:$dst,variable_ops),
684 "call{l}\t$dst", []>, Requires<[In32BitMode]>;
685 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
686 "call{l}\t{*}$dst", [(X86call GR32:$dst)]>,
687 Requires<[In32BitMode]>;
688 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
689 "call{l}\t{*}$dst", [(X86call (loadi32 addr:$dst))]>,
690 Requires<[In32BitMode]>;
692 def FARCALL16i : Iseg16<0x9A, RawFrmImm16, (outs),
693 (ins i16imm:$off, i16imm:$seg),
694 "lcall{w}\t{$seg, $off|$off, $seg}", []>, OpSize;
695 def FARCALL32i : Iseg32<0x9A, RawFrmImm16, (outs),
696 (ins i32imm:$off, i16imm:$seg),
697 "lcall{l}\t{$seg, $off|$off, $seg}", []>;
699 def FARCALL16m : I<0xFF, MRM3m, (outs), (ins opaque32mem:$dst),
700 "lcall{w}\t{*}$dst", []>, OpSize;
701 def FARCALL32m : I<0xFF, MRM3m, (outs), (ins opaque48mem:$dst),
702 "lcall{l}\t{*}$dst", []>;
704 // callw for 16 bit code for the assembler.
705 let isAsmParserOnly = 1 in
706 def CALLpcrel16 : Ii16PCRel<0xE8, RawFrm,
707 (outs), (ins i16imm_pcrel:$dst, variable_ops),
708 "callw\t$dst", []>, OpSize;
711 // Constructing a stack frame.
713 def ENTER : Ii16<0xC8, RawFrmImm8, (outs), (ins i16imm:$len, i8imm:$lvl),
714 "enter\t$len, $lvl", []>;
718 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1,
720 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
721 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
722 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
723 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
725 def TCRETURNdi : I<0, Pseudo, (outs),
726 (ins i32imm_pcrel:$dst, i32imm:$offset, variable_ops),
727 "#TC_RETURN $dst $offset", []>;
728 def TCRETURNri : I<0, Pseudo, (outs),
729 (ins GR32_TC:$dst, i32imm:$offset, variable_ops),
730 "#TC_RETURN $dst $offset", []>;
732 def TCRETURNmi : I<0, Pseudo, (outs),
733 (ins i32mem_TC:$dst, i32imm:$offset, variable_ops),
734 "#TC_RETURN $dst $offset", []>;
736 // FIXME: The should be pseudo instructions that are lowered when going to
738 def TAILJMPd : Ii32PCRel<0xE9, RawFrm, (outs),
739 (ins i32imm_pcrel:$dst, variable_ops),
740 "jmp\t$dst # TAILCALL",
742 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32_TC:$dst, variable_ops),
743 "", []>; // FIXME: Remove encoding when JIT is dead.
745 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem_TC:$dst, variable_ops),
746 "jmp{l}\t{*}$dst # TAILCALL", []>;
749 //===----------------------------------------------------------------------===//
750 // Miscellaneous Instructions...
752 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
753 def LEAVE : I<0xC9, RawFrm,
754 (outs), (ins), "leave", []>, Requires<[In32BitMode]>;
756 def POPCNT16rr : I<0xB8, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
757 "popcnt{w}\t{$src, $dst|$dst, $src}", []>, OpSize, XS;
759 def POPCNT16rm : I<0xB8, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
760 "popcnt{w}\t{$src, $dst|$dst, $src}", []>, OpSize, XS;
761 def POPCNT32rr : I<0xB8, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
762 "popcnt{l}\t{$src, $dst|$dst, $src}", []>, XS;
764 def POPCNT32rm : I<0xB8, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
765 "popcnt{l}\t{$src, $dst|$dst, $src}", []>, XS;
767 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
769 def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
771 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
772 def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
774 def POP16rmm: I<0x8F, MRM0m, (outs i16mem:$dst), (ins), "pop{w}\t$dst", []>,
776 def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
777 def POP32rmm: I<0x8F, MRM0m, (outs i32mem:$dst), (ins), "pop{l}\t$dst", []>;
780 let mayStore = 1 in {
781 def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
783 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
784 def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
786 def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[]>,
788 def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
789 def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[]>;
793 let Defs = [ESP], Uses = [ESP], neverHasSideEffects = 1, mayStore = 1 in {
794 def PUSHi8 : Ii8<0x6a, RawFrm, (outs), (ins i32i8imm:$imm),
795 "push{l}\t$imm", []>;
796 def PUSHi16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
797 "push{w}\t$imm", []>, OpSize;
798 def PUSHi32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
799 "push{l}\t$imm", []>;
802 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in {
803 def POPF16 : I<0x9D, RawFrm, (outs), (ins), "popf{w}", []>, OpSize;
804 def POPF32 : I<0x9D, RawFrm, (outs), (ins), "popf{l|d}", []>,
805 Requires<[In32BitMode]>;
807 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in {
808 def PUSHF16 : I<0x9C, RawFrm, (outs), (ins), "pushf{w}", []>, OpSize;
809 def PUSHF32 : I<0x9C, RawFrm, (outs), (ins), "pushf{l|d}", []>,
810 Requires<[In32BitMode]>;
813 let Defs = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP], Uses = [ESP],
814 mayLoad=1, neverHasSideEffects=1 in {
815 def POPA32 : I<0x61, RawFrm, (outs), (ins), "popa{l}", []>,
816 Requires<[In32BitMode]>;
818 let Defs = [ESP], Uses = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP],
819 mayStore=1, neverHasSideEffects=1 in {
820 def PUSHA32 : I<0x60, RawFrm, (outs), (ins), "pusha{l}", []>,
821 Requires<[In32BitMode]>;
824 let Uses = [EFLAGS], Constraints = "$src = $dst" in // GR32 = bswap GR32
825 def BSWAP32r : I<0xC8, AddRegFrm,
826 (outs GR32:$dst), (ins GR32:$src),
828 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
831 // Bit scan instructions.
832 let Defs = [EFLAGS] in {
833 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
834 "bsf{w}\t{$src, $dst|$dst, $src}",
835 [(set GR16:$dst, EFLAGS, (X86bsf GR16:$src))]>, TB, OpSize;
836 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
837 "bsf{w}\t{$src, $dst|$dst, $src}",
838 [(set GR16:$dst, EFLAGS, (X86bsf (loadi16 addr:$src)))]>, TB,
840 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
841 "bsf{l}\t{$src, $dst|$dst, $src}",
842 [(set GR32:$dst, EFLAGS, (X86bsf GR32:$src))]>, TB;
843 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
844 "bsf{l}\t{$src, $dst|$dst, $src}",
845 [(set GR32:$dst, EFLAGS, (X86bsf (loadi32 addr:$src)))]>, TB;
847 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
848 "bsr{w}\t{$src, $dst|$dst, $src}",
849 [(set GR16:$dst, EFLAGS, (X86bsr GR16:$src))]>, TB, OpSize;
850 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
851 "bsr{w}\t{$src, $dst|$dst, $src}",
852 [(set GR16:$dst, EFLAGS, (X86bsr (loadi16 addr:$src)))]>, TB,
854 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
855 "bsr{l}\t{$src, $dst|$dst, $src}",
856 [(set GR32:$dst, EFLAGS, (X86bsr GR32:$src))]>, TB;
857 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
858 "bsr{l}\t{$src, $dst|$dst, $src}",
859 [(set GR32:$dst, EFLAGS, (X86bsr (loadi32 addr:$src)))]>, TB;
862 let neverHasSideEffects = 1 in
863 def LEA16r : I<0x8D, MRMSrcMem,
864 (outs GR16:$dst), (ins i32mem:$src),
865 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
866 let isReMaterializable = 1 in
867 def LEA32r : I<0x8D, MRMSrcMem,
868 (outs GR32:$dst), (ins i32mem:$src),
869 "lea{l}\t{$src|$dst}, {$dst|$src}",
870 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
872 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI], isCodeGenOnly = 1 in {
873 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
874 [(X86rep_movs i8)]>, REP;
875 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
876 [(X86rep_movs i16)]>, REP, OpSize;
877 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
878 [(X86rep_movs i32)]>, REP;
881 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
882 let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in {
883 def MOVSB : I<0xA4, RawFrm, (outs), (ins), "{movsb}", []>;
884 def MOVSW : I<0xA5, RawFrm, (outs), (ins), "{movsw}", []>, OpSize;
885 def MOVSD : I<0xA5, RawFrm, (outs), (ins), "{movsl|movsd}", []>;
888 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI], isCodeGenOnly = 1 in
889 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
890 [(X86rep_stos i8)]>, REP;
891 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI], isCodeGenOnly = 1 in
892 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
893 [(X86rep_stos i16)]>, REP, OpSize;
894 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI], isCodeGenOnly = 1 in
895 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
896 [(X86rep_stos i32)]>, REP;
898 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
899 let Defs = [EDI], Uses = [AL,EDI,EFLAGS] in
900 def STOSB : I<0xAA, RawFrm, (outs), (ins), "{stosb}", []>;
901 let Defs = [EDI], Uses = [AX,EDI,EFLAGS] in
902 def STOSW : I<0xAB, RawFrm, (outs), (ins), "{stosw}", []>, OpSize;
903 let Defs = [EDI], Uses = [EAX,EDI,EFLAGS] in
904 def STOSD : I<0xAB, RawFrm, (outs), (ins), "{stosl|stosd}", []>;
906 def SCAS8 : I<0xAE, RawFrm, (outs), (ins), "scas{b}", []>;
907 def SCAS16 : I<0xAF, RawFrm, (outs), (ins), "scas{w}", []>, OpSize;
908 def SCAS32 : I<0xAF, RawFrm, (outs), (ins), "scas{l}", []>;
910 def CMPS8 : I<0xA6, RawFrm, (outs), (ins), "cmps{b}", []>;
911 def CMPS16 : I<0xA7, RawFrm, (outs), (ins), "cmps{w}", []>, OpSize;
912 def CMPS32 : I<0xA7, RawFrm, (outs), (ins), "cmps{l}", []>;
915 //===----------------------------------------------------------------------===//
916 // Move Instructions.
918 let neverHasSideEffects = 1 in {
919 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
920 "mov{b}\t{$src, $dst|$dst, $src}", []>;
921 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
922 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
923 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
924 "mov{l}\t{$src, $dst|$dst, $src}", []>;
926 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
927 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
928 "mov{b}\t{$src, $dst|$dst, $src}",
929 [(set GR8:$dst, imm:$src)]>;
930 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
931 "mov{w}\t{$src, $dst|$dst, $src}",
932 [(set GR16:$dst, imm:$src)]>, OpSize;
933 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
934 "mov{l}\t{$src, $dst|$dst, $src}",
935 [(set GR32:$dst, imm:$src)]>;
938 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
939 "mov{b}\t{$src, $dst|$dst, $src}",
940 [(store (i8 imm:$src), addr:$dst)]>;
941 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
942 "mov{w}\t{$src, $dst|$dst, $src}",
943 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
944 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
945 "mov{l}\t{$src, $dst|$dst, $src}",
946 [(store (i32 imm:$src), addr:$dst)]>;
948 /// moffs8, moffs16 and moffs32 versions of moves. The immediate is a
949 /// 32-bit offset from the PC. These are only valid in x86-32 mode.
950 def MOV8o8a : Ii32 <0xA0, RawFrm, (outs), (ins offset8:$src),
951 "mov{b}\t{$src, %al|%al, $src}", []>,
952 Requires<[In32BitMode]>;
953 def MOV16o16a : Ii32 <0xA1, RawFrm, (outs), (ins offset16:$src),
954 "mov{w}\t{$src, %ax|%ax, $src}", []>, OpSize,
955 Requires<[In32BitMode]>;
956 def MOV32o32a : Ii32 <0xA1, RawFrm, (outs), (ins offset32:$src),
957 "mov{l}\t{$src, %eax|%eax, $src}", []>,
958 Requires<[In32BitMode]>;
959 def MOV8ao8 : Ii32 <0xA2, RawFrm, (outs offset8:$dst), (ins),
960 "mov{b}\t{%al, $dst|$dst, %al}", []>,
961 Requires<[In32BitMode]>;
962 def MOV16ao16 : Ii32 <0xA3, RawFrm, (outs offset16:$dst), (ins),
963 "mov{w}\t{%ax, $dst|$dst, %ax}", []>, OpSize,
964 Requires<[In32BitMode]>;
965 def MOV32ao32 : Ii32 <0xA3, RawFrm, (outs offset32:$dst), (ins),
966 "mov{l}\t{%eax, $dst|$dst, %eax}", []>,
967 Requires<[In32BitMode]>;
969 // Moves to and from segment registers
970 def MOV16rs : I<0x8C, MRMDestReg, (outs GR16:$dst), (ins SEGMENT_REG:$src),
971 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
972 def MOV32rs : I<0x8C, MRMDestReg, (outs GR32:$dst), (ins SEGMENT_REG:$src),
973 "mov{l}\t{$src, $dst|$dst, $src}", []>;
974 def MOV16ms : I<0x8C, MRMDestMem, (outs i16mem:$dst), (ins SEGMENT_REG:$src),
975 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
976 def MOV32ms : I<0x8C, MRMDestMem, (outs i32mem:$dst), (ins SEGMENT_REG:$src),
977 "mov{l}\t{$src, $dst|$dst, $src}", []>;
978 def MOV16sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR16:$src),
979 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
980 def MOV32sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR32:$src),
981 "mov{l}\t{$src, $dst|$dst, $src}", []>;
982 def MOV16sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i16mem:$src),
983 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
984 def MOV32sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i32mem:$src),
985 "mov{l}\t{$src, $dst|$dst, $src}", []>;
987 let isCodeGenOnly = 1 in {
988 def MOV8rr_REV : I<0x8A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src),
989 "mov{b}\t{$src, $dst|$dst, $src}", []>;
990 def MOV16rr_REV : I<0x8B, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
991 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
992 def MOV32rr_REV : I<0x8B, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
993 "mov{l}\t{$src, $dst|$dst, $src}", []>;
996 let canFoldAsLoad = 1, isReMaterializable = 1 in {
997 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
998 "mov{b}\t{$src, $dst|$dst, $src}",
999 [(set GR8:$dst, (loadi8 addr:$src))]>;
1000 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1001 "mov{w}\t{$src, $dst|$dst, $src}",
1002 [(set GR16:$dst, (loadi16 addr:$src))]>, OpSize;
1003 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1004 "mov{l}\t{$src, $dst|$dst, $src}",
1005 [(set GR32:$dst, (loadi32 addr:$src))]>;
1008 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
1009 "mov{b}\t{$src, $dst|$dst, $src}",
1010 [(store GR8:$src, addr:$dst)]>;
1011 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1012 "mov{w}\t{$src, $dst|$dst, $src}",
1013 [(store GR16:$src, addr:$dst)]>, OpSize;
1014 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1015 "mov{l}\t{$src, $dst|$dst, $src}",
1016 [(store GR32:$src, addr:$dst)]>;
1018 /// Versions of MOV32rr, MOV32rm, and MOV32mr for i32mem_TC and GR32_TC.
1019 let isCodeGenOnly = 1 in {
1020 let neverHasSideEffects = 1 in
1021 def MOV32rr_TC : I<0x89, MRMDestReg, (outs GR32_TC:$dst), (ins GR32_TC:$src),
1022 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1025 canFoldAsLoad = 1, isReMaterializable = 1 in
1026 def MOV32rm_TC : I<0x8B, MRMSrcMem, (outs GR32_TC:$dst), (ins i32mem_TC:$src),
1027 "mov{l}\t{$src, $dst|$dst, $src}",
1031 def MOV32mr_TC : I<0x89, MRMDestMem, (outs), (ins i32mem_TC:$dst, GR32_TC:$src),
1032 "mov{l}\t{$src, $dst|$dst, $src}",
1036 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
1037 // that they can be used for copying and storing h registers, which can't be
1038 // encoded when a REX prefix is present.
1039 let isCodeGenOnly = 1 in {
1040 let neverHasSideEffects = 1 in
1041 def MOV8rr_NOREX : I<0x88, MRMDestReg,
1042 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
1043 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1045 def MOV8mr_NOREX : I<0x88, MRMDestMem,
1046 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
1047 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1049 canFoldAsLoad = 1, isReMaterializable = 1 in
1050 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
1051 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
1052 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1055 // Moves to and from debug registers
1056 def MOV32rd : I<0x21, MRMDestReg, (outs GR32:$dst), (ins DEBUG_REG:$src),
1057 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1058 def MOV32dr : I<0x23, MRMSrcReg, (outs DEBUG_REG:$dst), (ins GR32:$src),
1059 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1061 // Moves to and from control registers
1062 def MOV32rc : I<0x20, MRMDestReg, (outs GR32:$dst), (ins CONTROL_REG:$src),
1063 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1064 def MOV32cr : I<0x22, MRMSrcReg, (outs CONTROL_REG:$dst), (ins GR32:$src),
1065 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1067 //===----------------------------------------------------------------------===//
1068 // Fixed-Register Multiplication and Division Instructions...
1071 // Extra precision multiplication
1073 // AL is really implied by AX, but the registers in Defs must match the
1074 // SDNode results (i8, i32).
1075 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1076 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
1077 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1078 // This probably ought to be moved to a def : Pat<> if the
1079 // syntax can be accepted.
1080 [(set AL, (mul AL, GR8:$src)),
1081 (implicit EFLAGS)]>; // AL,AH = AL*GR8
1083 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
1084 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
1086 []>, OpSize; // AX,DX = AX*GR16
1088 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
1089 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
1091 []>; // EAX,EDX = EAX*GR32
1093 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1094 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
1096 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1097 // This probably ought to be moved to a def : Pat<> if the
1098 // syntax can be accepted.
1099 [(set AL, (mul AL, (loadi8 addr:$src))),
1100 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
1102 let mayLoad = 1, neverHasSideEffects = 1 in {
1103 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1104 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
1106 []>, OpSize; // AX,DX = AX*[mem16]
1108 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1109 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
1111 []>; // EAX,EDX = EAX*[mem32]
1114 let neverHasSideEffects = 1 in {
1115 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1116 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
1118 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1119 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
1120 OpSize; // AX,DX = AX*GR16
1121 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1122 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
1123 // EAX,EDX = EAX*GR32
1124 let mayLoad = 1 in {
1125 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1126 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
1127 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
1128 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1129 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
1130 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
1131 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1132 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
1133 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
1135 } // neverHasSideEffects
1137 // unsigned division/remainder
1138 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1139 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1140 "div{b}\t$src", []>;
1141 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1142 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1143 "div{w}\t$src", []>, OpSize;
1144 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1145 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1146 "div{l}\t$src", []>;
1147 let mayLoad = 1 in {
1148 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1149 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1150 "div{b}\t$src", []>;
1151 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1152 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1153 "div{w}\t$src", []>, OpSize;
1154 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1155 // EDX:EAX/[mem32] = EAX,EDX
1156 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src),
1157 "div{l}\t$src", []>;
1160 // Signed division/remainder.
1161 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1162 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1163 "idiv{b}\t$src", []>;
1164 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1165 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1166 "idiv{w}\t$src", []>, OpSize;
1167 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1168 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1169 "idiv{l}\t$src", []>;
1170 let mayLoad = 1, mayLoad = 1 in {
1171 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1172 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1173 "idiv{b}\t$src", []>;
1174 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1175 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1176 "idiv{w}\t$src", []>, OpSize;
1177 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1178 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src),
1179 // EDX:EAX/[mem32] = EAX,EDX
1180 "idiv{l}\t$src", []>;
1183 //===----------------------------------------------------------------------===//
1184 // Two address Instructions.
1186 let Constraints = "$src1 = $dst" in {
1188 // Conditional moves
1189 let Uses = [EFLAGS] in {
1191 let Predicates = [HasCMov] in {
1192 let isCommutable = 1 in {
1193 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
1194 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1195 "cmovb{w}\t{$src2, $dst|$dst, $src2}",
1196 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1197 X86_COND_B, EFLAGS))]>,
1199 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
1200 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1201 "cmovb{l}\t{$src2, $dst|$dst, $src2}",
1202 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1203 X86_COND_B, EFLAGS))]>,
1205 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
1206 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1207 "cmovae{w}\t{$src2, $dst|$dst, $src2}",
1208 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1209 X86_COND_AE, EFLAGS))]>,
1211 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
1212 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1213 "cmovae{l}\t{$src2, $dst|$dst, $src2}",
1214 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1215 X86_COND_AE, EFLAGS))]>,
1217 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
1218 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1219 "cmove{w}\t{$src2, $dst|$dst, $src2}",
1220 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1221 X86_COND_E, EFLAGS))]>,
1223 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
1224 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1225 "cmove{l}\t{$src2, $dst|$dst, $src2}",
1226 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1227 X86_COND_E, EFLAGS))]>,
1229 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
1230 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1231 "cmovne{w}\t{$src2, $dst|$dst, $src2}",
1232 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1233 X86_COND_NE, EFLAGS))]>,
1235 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
1236 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1237 "cmovne{l}\t{$src2, $dst|$dst, $src2}",
1238 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1239 X86_COND_NE, EFLAGS))]>,
1241 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
1242 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1243 "cmovbe{w}\t{$src2, $dst|$dst, $src2}",
1244 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1245 X86_COND_BE, EFLAGS))]>,
1247 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
1248 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1249 "cmovbe{l}\t{$src2, $dst|$dst, $src2}",
1250 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1251 X86_COND_BE, EFLAGS))]>,
1253 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
1254 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1255 "cmova{w}\t{$src2, $dst|$dst, $src2}",
1256 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1257 X86_COND_A, EFLAGS))]>,
1259 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
1260 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1261 "cmova{l}\t{$src2, $dst|$dst, $src2}",
1262 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1263 X86_COND_A, EFLAGS))]>,
1265 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
1266 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1267 "cmovl{w}\t{$src2, $dst|$dst, $src2}",
1268 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1269 X86_COND_L, EFLAGS))]>,
1271 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
1272 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1273 "cmovl{l}\t{$src2, $dst|$dst, $src2}",
1274 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1275 X86_COND_L, EFLAGS))]>,
1277 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
1278 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1279 "cmovge{w}\t{$src2, $dst|$dst, $src2}",
1280 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1281 X86_COND_GE, EFLAGS))]>,
1283 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
1284 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1285 "cmovge{l}\t{$src2, $dst|$dst, $src2}",
1286 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1287 X86_COND_GE, EFLAGS))]>,
1289 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
1290 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1291 "cmovle{w}\t{$src2, $dst|$dst, $src2}",
1292 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1293 X86_COND_LE, EFLAGS))]>,
1295 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
1296 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1297 "cmovle{l}\t{$src2, $dst|$dst, $src2}",
1298 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1299 X86_COND_LE, EFLAGS))]>,
1301 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
1302 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1303 "cmovg{w}\t{$src2, $dst|$dst, $src2}",
1304 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1305 X86_COND_G, EFLAGS))]>,
1307 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
1308 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1309 "cmovg{l}\t{$src2, $dst|$dst, $src2}",
1310 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1311 X86_COND_G, EFLAGS))]>,
1313 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
1314 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1315 "cmovs{w}\t{$src2, $dst|$dst, $src2}",
1316 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1317 X86_COND_S, EFLAGS))]>,
1319 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
1320 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1321 "cmovs{l}\t{$src2, $dst|$dst, $src2}",
1322 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1323 X86_COND_S, EFLAGS))]>,
1325 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
1326 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1327 "cmovns{w}\t{$src2, $dst|$dst, $src2}",
1328 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1329 X86_COND_NS, EFLAGS))]>,
1331 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1332 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1333 "cmovns{l}\t{$src2, $dst|$dst, $src2}",
1334 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1335 X86_COND_NS, EFLAGS))]>,
1337 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1338 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1339 "cmovp{w}\t{$src2, $dst|$dst, $src2}",
1340 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1341 X86_COND_P, EFLAGS))]>,
1343 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1344 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1345 "cmovp{l}\t{$src2, $dst|$dst, $src2}",
1346 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1347 X86_COND_P, EFLAGS))]>,
1349 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1350 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1351 "cmovnp{w}\t{$src2, $dst|$dst, $src2}",
1352 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1353 X86_COND_NP, EFLAGS))]>,
1355 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1356 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1357 "cmovnp{l}\t{$src2, $dst|$dst, $src2}",
1358 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1359 X86_COND_NP, EFLAGS))]>,
1361 def CMOVO16rr : I<0x40, MRMSrcReg, // if overflow, GR16 = GR16
1362 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1363 "cmovo{w}\t{$src2, $dst|$dst, $src2}",
1364 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1365 X86_COND_O, EFLAGS))]>,
1367 def CMOVO32rr : I<0x40, MRMSrcReg, // if overflow, GR32 = GR32
1368 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1369 "cmovo{l}\t{$src2, $dst|$dst, $src2}",
1370 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1371 X86_COND_O, EFLAGS))]>,
1373 def CMOVNO16rr : I<0x41, MRMSrcReg, // if !overflow, GR16 = GR16
1374 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1375 "cmovno{w}\t{$src2, $dst|$dst, $src2}",
1376 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1377 X86_COND_NO, EFLAGS))]>,
1379 def CMOVNO32rr : I<0x41, MRMSrcReg, // if !overflow, GR32 = GR32
1380 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1381 "cmovno{l}\t{$src2, $dst|$dst, $src2}",
1382 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1383 X86_COND_NO, EFLAGS))]>,
1385 } // isCommutable = 1
1387 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1388 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1389 "cmovb{w}\t{$src2, $dst|$dst, $src2}",
1390 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1391 X86_COND_B, EFLAGS))]>,
1393 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1394 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1395 "cmovb{l}\t{$src2, $dst|$dst, $src2}",
1396 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1397 X86_COND_B, EFLAGS))]>,
1399 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1400 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1401 "cmovae{w}\t{$src2, $dst|$dst, $src2}",
1402 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1403 X86_COND_AE, EFLAGS))]>,
1405 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1406 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1407 "cmovae{l}\t{$src2, $dst|$dst, $src2}",
1408 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1409 X86_COND_AE, EFLAGS))]>,
1411 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1412 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1413 "cmove{w}\t{$src2, $dst|$dst, $src2}",
1414 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1415 X86_COND_E, EFLAGS))]>,
1417 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1418 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1419 "cmove{l}\t{$src2, $dst|$dst, $src2}",
1420 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1421 X86_COND_E, EFLAGS))]>,
1423 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1424 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1425 "cmovne{w}\t{$src2, $dst|$dst, $src2}",
1426 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1427 X86_COND_NE, EFLAGS))]>,
1429 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1430 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1431 "cmovne{l}\t{$src2, $dst|$dst, $src2}",
1432 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1433 X86_COND_NE, EFLAGS))]>,
1435 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1436 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1437 "cmovbe{w}\t{$src2, $dst|$dst, $src2}",
1438 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1439 X86_COND_BE, EFLAGS))]>,
1441 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1442 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1443 "cmovbe{l}\t{$src2, $dst|$dst, $src2}",
1444 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1445 X86_COND_BE, EFLAGS))]>,
1447 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1448 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1449 "cmova{w}\t{$src2, $dst|$dst, $src2}",
1450 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1451 X86_COND_A, EFLAGS))]>,
1453 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1454 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1455 "cmova{l}\t{$src2, $dst|$dst, $src2}",
1456 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1457 X86_COND_A, EFLAGS))]>,
1459 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1460 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1461 "cmovl{w}\t{$src2, $dst|$dst, $src2}",
1462 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1463 X86_COND_L, EFLAGS))]>,
1465 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1466 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1467 "cmovl{l}\t{$src2, $dst|$dst, $src2}",
1468 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1469 X86_COND_L, EFLAGS))]>,
1471 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1472 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1473 "cmovge{w}\t{$src2, $dst|$dst, $src2}",
1474 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1475 X86_COND_GE, EFLAGS))]>,
1477 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1478 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1479 "cmovge{l}\t{$src2, $dst|$dst, $src2}",
1480 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1481 X86_COND_GE, EFLAGS))]>,
1483 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1484 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1485 "cmovle{w}\t{$src2, $dst|$dst, $src2}",
1486 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1487 X86_COND_LE, EFLAGS))]>,
1489 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1490 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1491 "cmovle{l}\t{$src2, $dst|$dst, $src2}",
1492 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1493 X86_COND_LE, EFLAGS))]>,
1495 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1496 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1497 "cmovg{w}\t{$src2, $dst|$dst, $src2}",
1498 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1499 X86_COND_G, EFLAGS))]>,
1501 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1502 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1503 "cmovg{l}\t{$src2, $dst|$dst, $src2}",
1504 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1505 X86_COND_G, EFLAGS))]>,
1507 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1508 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1509 "cmovs{w}\t{$src2, $dst|$dst, $src2}",
1510 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1511 X86_COND_S, EFLAGS))]>,
1513 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1514 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1515 "cmovs{l}\t{$src2, $dst|$dst, $src2}",
1516 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1517 X86_COND_S, EFLAGS))]>,
1519 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1520 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1521 "cmovns{w}\t{$src2, $dst|$dst, $src2}",
1522 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1523 X86_COND_NS, EFLAGS))]>,
1525 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1526 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1527 "cmovns{l}\t{$src2, $dst|$dst, $src2}",
1528 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1529 X86_COND_NS, EFLAGS))]>,
1531 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1532 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1533 "cmovp{w}\t{$src2, $dst|$dst, $src2}",
1534 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1535 X86_COND_P, EFLAGS))]>,
1537 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1538 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1539 "cmovp{l}\t{$src2, $dst|$dst, $src2}",
1540 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1541 X86_COND_P, EFLAGS))]>,
1543 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1544 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1545 "cmovnp{w}\t{$src2, $dst|$dst, $src2}",
1546 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1547 X86_COND_NP, EFLAGS))]>,
1549 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1550 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1551 "cmovnp{l}\t{$src2, $dst|$dst, $src2}",
1552 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1553 X86_COND_NP, EFLAGS))]>,
1555 def CMOVO16rm : I<0x40, MRMSrcMem, // if overflow, GR16 = [mem16]
1556 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1557 "cmovo{w}\t{$src2, $dst|$dst, $src2}",
1558 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1559 X86_COND_O, EFLAGS))]>,
1561 def CMOVO32rm : I<0x40, MRMSrcMem, // if overflow, GR32 = [mem32]
1562 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1563 "cmovo{l}\t{$src2, $dst|$dst, $src2}",
1564 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1565 X86_COND_O, EFLAGS))]>,
1567 def CMOVNO16rm : I<0x41, MRMSrcMem, // if !overflow, GR16 = [mem16]
1568 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1569 "cmovno{w}\t{$src2, $dst|$dst, $src2}",
1570 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1571 X86_COND_NO, EFLAGS))]>,
1573 def CMOVNO32rm : I<0x41, MRMSrcMem, // if !overflow, GR32 = [mem32]
1574 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1575 "cmovno{l}\t{$src2, $dst|$dst, $src2}",
1576 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1577 X86_COND_NO, EFLAGS))]>,
1579 } // Predicates = [HasCMov]
1581 // X86 doesn't have 8-bit conditional moves. Use a customInserter to
1582 // emit control flow. An alternative to this is to mark i8 SELECT as Promote,
1583 // however that requires promoting the operands, and can induce additional
1584 // i8 register pressure. Note that CMOV_GR8 is conservatively considered to
1585 // clobber EFLAGS, because if one of the operands is zero, the expansion
1586 // could involve an xor.
1587 let usesCustomInserter = 1, Constraints = "", Defs = [EFLAGS] in {
1588 def CMOV_GR8 : I<0, Pseudo,
1589 (outs GR8:$dst), (ins GR8:$src1, GR8:$src2, i8imm:$cond),
1590 "#CMOV_GR8 PSEUDO!",
1591 [(set GR8:$dst, (X86cmov GR8:$src1, GR8:$src2,
1592 imm:$cond, EFLAGS))]>;
1594 let Predicates = [NoCMov] in {
1595 def CMOV_GR32 : I<0, Pseudo,
1596 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$cond),
1597 "#CMOV_GR32* PSEUDO!",
1599 (X86cmov GR32:$src1, GR32:$src2, imm:$cond, EFLAGS))]>;
1600 def CMOV_GR16 : I<0, Pseudo,
1601 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$cond),
1602 "#CMOV_GR16* PSEUDO!",
1604 (X86cmov GR16:$src1, GR16:$src2, imm:$cond, EFLAGS))]>;
1605 def CMOV_RFP32 : I<0, Pseudo,
1607 (ins RFP32:$src1, RFP32:$src2, i8imm:$cond),
1608 "#CMOV_RFP32 PSEUDO!",
1610 (X86cmov RFP32:$src1, RFP32:$src2, imm:$cond,
1612 def CMOV_RFP64 : I<0, Pseudo,
1614 (ins RFP64:$src1, RFP64:$src2, i8imm:$cond),
1615 "#CMOV_RFP64 PSEUDO!",
1617 (X86cmov RFP64:$src1, RFP64:$src2, imm:$cond,
1619 def CMOV_RFP80 : I<0, Pseudo,
1621 (ins RFP80:$src1, RFP80:$src2, i8imm:$cond),
1622 "#CMOV_RFP80 PSEUDO!",
1624 (X86cmov RFP80:$src1, RFP80:$src2, imm:$cond,
1626 } // Predicates = [NoCMov]
1627 } // UsesCustomInserter = 1, Constraints = "", Defs = [EFLAGS]
1628 } // Uses = [EFLAGS]
1631 // unary instructions
1632 let CodeSize = 2 in {
1633 let Defs = [EFLAGS] in {
1634 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src1),
1636 [(set GR8:$dst, (ineg GR8:$src1)),
1637 (implicit EFLAGS)]>;
1638 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src1),
1640 [(set GR16:$dst, (ineg GR16:$src1)),
1641 (implicit EFLAGS)]>, OpSize;
1642 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src1),
1644 [(set GR32:$dst, (ineg GR32:$src1)),
1645 (implicit EFLAGS)]>;
1647 let Constraints = "" in {
1648 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst),
1650 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
1651 (implicit EFLAGS)]>;
1652 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst),
1654 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
1655 (implicit EFLAGS)]>, OpSize;
1656 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst),
1658 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
1659 (implicit EFLAGS)]>;
1660 } // Constraints = ""
1661 } // Defs = [EFLAGS]
1663 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
1664 let AddedComplexity = 15 in {
1665 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src1),
1667 [(set GR8:$dst, (not GR8:$src1))]>;
1668 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src1),
1670 [(set GR16:$dst, (not GR16:$src1))]>, OpSize;
1671 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src1),
1673 [(set GR32:$dst, (not GR32:$src1))]>;
1675 let Constraints = "" in {
1676 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst),
1678 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1679 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst),
1681 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1682 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst),
1684 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1685 } // Constraints = ""
1688 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1689 let Defs = [EFLAGS] in {
1691 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
1693 [(set GR8:$dst, EFLAGS, (X86inc_flag GR8:$src1))]>;
1695 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1696 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src1),
1698 [(set GR16:$dst, EFLAGS, (X86inc_flag GR16:$src1))]>,
1699 OpSize, Requires<[In32BitMode]>;
1700 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1),
1702 [(set GR32:$dst, EFLAGS, (X86inc_flag GR32:$src1))]>,
1703 Requires<[In32BitMode]>;
1705 let Constraints = "", CodeSize = 2 in {
1706 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1707 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
1708 (implicit EFLAGS)]>;
1709 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1710 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
1711 (implicit EFLAGS)]>,
1712 OpSize, Requires<[In32BitMode]>;
1713 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1714 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
1715 (implicit EFLAGS)]>,
1716 Requires<[In32BitMode]>;
1717 } // Constraints = "", CodeSize = 2
1720 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
1722 [(set GR8:$dst, EFLAGS, (X86dec_flag GR8:$src1))]>;
1723 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1724 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src1),
1726 [(set GR16:$dst, EFLAGS, (X86dec_flag GR16:$src1))]>,
1727 OpSize, Requires<[In32BitMode]>;
1728 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1),
1730 [(set GR32:$dst, EFLAGS, (X86dec_flag GR32:$src1))]>,
1731 Requires<[In32BitMode]>;
1734 let Constraints = "", CodeSize = 2 in {
1735 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1736 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
1737 (implicit EFLAGS)]>;
1738 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1739 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
1740 (implicit EFLAGS)]>,
1741 OpSize, Requires<[In32BitMode]>;
1742 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1743 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
1744 (implicit EFLAGS)]>,
1745 Requires<[In32BitMode]>;
1746 } // Constraints = "", CodeSize = 2
1747 } // Defs = [EFLAGS]
1749 // Logical operators...
1750 let Defs = [EFLAGS] in {
1751 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1752 def AND8rr : I<0x20, MRMDestReg,
1753 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1754 "and{b}\t{$src2, $dst|$dst, $src2}",
1755 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1, GR8:$src2))]>;
1756 def AND16rr : I<0x21, MRMDestReg,
1757 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1758 "and{w}\t{$src2, $dst|$dst, $src2}",
1759 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1760 GR16:$src2))]>, OpSize;
1761 def AND32rr : I<0x21, MRMDestReg,
1762 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1763 "and{l}\t{$src2, $dst|$dst, $src2}",
1764 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1768 // AND instructions with the destination register in REG and the source register
1769 // in R/M. Included for the disassembler.
1770 let isCodeGenOnly = 1 in {
1771 def AND8rr_REV : I<0x22, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1772 "and{b}\t{$src2, $dst|$dst, $src2}", []>;
1773 def AND16rr_REV : I<0x23, MRMSrcReg, (outs GR16:$dst),
1774 (ins GR16:$src1, GR16:$src2),
1775 "and{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1776 def AND32rr_REV : I<0x23, MRMSrcReg, (outs GR32:$dst),
1777 (ins GR32:$src1, GR32:$src2),
1778 "and{l}\t{$src2, $dst|$dst, $src2}", []>;
1781 def AND8rm : I<0x22, MRMSrcMem,
1782 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1783 "and{b}\t{$src2, $dst|$dst, $src2}",
1784 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1,
1785 (loadi8 addr:$src2)))]>;
1786 def AND16rm : I<0x23, MRMSrcMem,
1787 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1788 "and{w}\t{$src2, $dst|$dst, $src2}",
1789 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1790 (loadi16 addr:$src2)))]>,
1792 def AND32rm : I<0x23, MRMSrcMem,
1793 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1794 "and{l}\t{$src2, $dst|$dst, $src2}",
1795 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1796 (loadi32 addr:$src2)))]>;
1798 def AND8ri : Ii8<0x80, MRM4r,
1799 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1800 "and{b}\t{$src2, $dst|$dst, $src2}",
1801 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1,
1803 def AND16ri : Ii16<0x81, MRM4r,
1804 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1805 "and{w}\t{$src2, $dst|$dst, $src2}",
1806 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1807 imm:$src2))]>, OpSize;
1808 def AND32ri : Ii32<0x81, MRM4r,
1809 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1810 "and{l}\t{$src2, $dst|$dst, $src2}",
1811 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1813 def AND16ri8 : Ii8<0x83, MRM4r,
1814 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1815 "and{w}\t{$src2, $dst|$dst, $src2}",
1816 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1817 i16immSExt8:$src2))]>,
1819 def AND32ri8 : Ii8<0x83, MRM4r,
1820 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1821 "and{l}\t{$src2, $dst|$dst, $src2}",
1822 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1823 i32immSExt8:$src2))]>;
1825 let Constraints = "" in {
1826 def AND8mr : I<0x20, MRMDestMem,
1827 (outs), (ins i8mem :$dst, GR8 :$src),
1828 "and{b}\t{$src, $dst|$dst, $src}",
1829 [(store (and (load addr:$dst), GR8:$src), addr:$dst),
1830 (implicit EFLAGS)]>;
1831 def AND16mr : I<0x21, MRMDestMem,
1832 (outs), (ins i16mem:$dst, GR16:$src),
1833 "and{w}\t{$src, $dst|$dst, $src}",
1834 [(store (and (load addr:$dst), GR16:$src), addr:$dst),
1835 (implicit EFLAGS)]>,
1837 def AND32mr : I<0x21, MRMDestMem,
1838 (outs), (ins i32mem:$dst, GR32:$src),
1839 "and{l}\t{$src, $dst|$dst, $src}",
1840 [(store (and (load addr:$dst), GR32:$src), addr:$dst),
1841 (implicit EFLAGS)]>;
1842 def AND8mi : Ii8<0x80, MRM4m,
1843 (outs), (ins i8mem :$dst, i8imm :$src),
1844 "and{b}\t{$src, $dst|$dst, $src}",
1845 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
1846 (implicit EFLAGS)]>;
1847 def AND16mi : Ii16<0x81, MRM4m,
1848 (outs), (ins i16mem:$dst, i16imm:$src),
1849 "and{w}\t{$src, $dst|$dst, $src}",
1850 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
1851 (implicit EFLAGS)]>,
1853 def AND32mi : Ii32<0x81, MRM4m,
1854 (outs), (ins i32mem:$dst, i32imm:$src),
1855 "and{l}\t{$src, $dst|$dst, $src}",
1856 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
1857 (implicit EFLAGS)]>;
1858 def AND16mi8 : Ii8<0x83, MRM4m,
1859 (outs), (ins i16mem:$dst, i16i8imm :$src),
1860 "and{w}\t{$src, $dst|$dst, $src}",
1861 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
1862 (implicit EFLAGS)]>,
1864 def AND32mi8 : Ii8<0x83, MRM4m,
1865 (outs), (ins i32mem:$dst, i32i8imm :$src),
1866 "and{l}\t{$src, $dst|$dst, $src}",
1867 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
1868 (implicit EFLAGS)]>;
1870 def AND8i8 : Ii8<0x24, RawFrm, (outs), (ins i8imm:$src),
1871 "and{b}\t{$src, %al|%al, $src}", []>;
1872 def AND16i16 : Ii16<0x25, RawFrm, (outs), (ins i16imm:$src),
1873 "and{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1874 def AND32i32 : Ii32<0x25, RawFrm, (outs), (ins i32imm:$src),
1875 "and{l}\t{$src, %eax|%eax, $src}", []>;
1877 } // Constraints = ""
1880 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1881 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst),
1882 (ins GR8 :$src1, GR8 :$src2),
1883 "or{b}\t{$src2, $dst|$dst, $src2}",
1884 [(set GR8:$dst, EFLAGS, (X86or_flag GR8:$src1, GR8:$src2))]>;
1885 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst),
1886 (ins GR16:$src1, GR16:$src2),
1887 "or{w}\t{$src2, $dst|$dst, $src2}",
1888 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,GR16:$src2))]>,
1890 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst),
1891 (ins GR32:$src1, GR32:$src2),
1892 "or{l}\t{$src2, $dst|$dst, $src2}",
1893 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,GR32:$src2))]>;
1896 // OR instructions with the destination register in REG and the source register
1897 // in R/M. Included for the disassembler.
1898 let isCodeGenOnly = 1 in {
1899 def OR8rr_REV : I<0x0A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1900 "or{b}\t{$src2, $dst|$dst, $src2}", []>;
1901 def OR16rr_REV : I<0x0B, MRMSrcReg, (outs GR16:$dst),
1902 (ins GR16:$src1, GR16:$src2),
1903 "or{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1904 def OR32rr_REV : I<0x0B, MRMSrcReg, (outs GR32:$dst),
1905 (ins GR32:$src1, GR32:$src2),
1906 "or{l}\t{$src2, $dst|$dst, $src2}", []>;
1909 def OR8rm : I<0x0A, MRMSrcMem, (outs GR8 :$dst),
1910 (ins GR8 :$src1, i8mem :$src2),
1911 "or{b}\t{$src2, $dst|$dst, $src2}",
1912 [(set GR8:$dst, EFLAGS, (X86or_flag GR8:$src1,
1913 (load addr:$src2)))]>;
1914 def OR16rm : I<0x0B, MRMSrcMem, (outs GR16:$dst),
1915 (ins GR16:$src1, i16mem:$src2),
1916 "or{w}\t{$src2, $dst|$dst, $src2}",
1917 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
1918 (load addr:$src2)))]>,
1920 def OR32rm : I<0x0B, MRMSrcMem, (outs GR32:$dst),
1921 (ins GR32:$src1, i32mem:$src2),
1922 "or{l}\t{$src2, $dst|$dst, $src2}",
1923 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
1924 (load addr:$src2)))]>;
1926 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst),
1927 (ins GR8 :$src1, i8imm:$src2),
1928 "or{b}\t{$src2, $dst|$dst, $src2}",
1929 [(set GR8:$dst,EFLAGS, (X86or_flag GR8:$src1, imm:$src2))]>;
1930 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst),
1931 (ins GR16:$src1, i16imm:$src2),
1932 "or{w}\t{$src2, $dst|$dst, $src2}",
1933 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
1934 imm:$src2))]>, OpSize;
1935 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst),
1936 (ins GR32:$src1, i32imm:$src2),
1937 "or{l}\t{$src2, $dst|$dst, $src2}",
1938 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
1941 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst),
1942 (ins GR16:$src1, i16i8imm:$src2),
1943 "or{w}\t{$src2, $dst|$dst, $src2}",
1944 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
1945 i16immSExt8:$src2))]>, OpSize;
1946 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst),
1947 (ins GR32:$src1, i32i8imm:$src2),
1948 "or{l}\t{$src2, $dst|$dst, $src2}",
1949 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
1950 i32immSExt8:$src2))]>;
1951 let Constraints = "" in {
1952 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1953 "or{b}\t{$src, $dst|$dst, $src}",
1954 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
1955 (implicit EFLAGS)]>;
1956 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1957 "or{w}\t{$src, $dst|$dst, $src}",
1958 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
1959 (implicit EFLAGS)]>, OpSize;
1960 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1961 "or{l}\t{$src, $dst|$dst, $src}",
1962 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
1963 (implicit EFLAGS)]>;
1964 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1965 "or{b}\t{$src, $dst|$dst, $src}",
1966 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
1967 (implicit EFLAGS)]>;
1968 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
1969 "or{w}\t{$src, $dst|$dst, $src}",
1970 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
1971 (implicit EFLAGS)]>,
1973 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
1974 "or{l}\t{$src, $dst|$dst, $src}",
1975 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
1976 (implicit EFLAGS)]>;
1977 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
1978 "or{w}\t{$src, $dst|$dst, $src}",
1979 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
1980 (implicit EFLAGS)]>,
1982 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
1983 "or{l}\t{$src, $dst|$dst, $src}",
1984 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
1985 (implicit EFLAGS)]>;
1987 def OR8i8 : Ii8 <0x0C, RawFrm, (outs), (ins i8imm:$src),
1988 "or{b}\t{$src, %al|%al, $src}", []>;
1989 def OR16i16 : Ii16 <0x0D, RawFrm, (outs), (ins i16imm:$src),
1990 "or{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1991 def OR32i32 : Ii32 <0x0D, RawFrm, (outs), (ins i32imm:$src),
1992 "or{l}\t{$src, %eax|%eax, $src}", []>;
1993 } // Constraints = ""
1996 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1997 def XOR8rr : I<0x30, MRMDestReg,
1998 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1999 "xor{b}\t{$src2, $dst|$dst, $src2}",
2000 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1,
2002 def XOR16rr : I<0x31, MRMDestReg,
2003 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2004 "xor{w}\t{$src2, $dst|$dst, $src2}",
2005 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2006 GR16:$src2))]>, OpSize;
2007 def XOR32rr : I<0x31, MRMDestReg,
2008 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2009 "xor{l}\t{$src2, $dst|$dst, $src2}",
2010 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2012 } // isCommutable = 1
2014 // XOR instructions with the destination register in REG and the source register
2015 // in R/M. Included for the disassembler.
2016 let isCodeGenOnly = 1 in {
2017 def XOR8rr_REV : I<0x32, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2018 "xor{b}\t{$src2, $dst|$dst, $src2}", []>;
2019 def XOR16rr_REV : I<0x33, MRMSrcReg, (outs GR16:$dst),
2020 (ins GR16:$src1, GR16:$src2),
2021 "xor{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2022 def XOR32rr_REV : I<0x33, MRMSrcReg, (outs GR32:$dst),
2023 (ins GR32:$src1, GR32:$src2),
2024 "xor{l}\t{$src2, $dst|$dst, $src2}", []>;
2027 def XOR8rm : I<0x32, MRMSrcMem,
2028 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
2029 "xor{b}\t{$src2, $dst|$dst, $src2}",
2030 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1,
2031 (load addr:$src2)))]>;
2032 def XOR16rm : I<0x33, MRMSrcMem,
2033 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
2034 "xor{w}\t{$src2, $dst|$dst, $src2}",
2035 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2036 (load addr:$src2)))]>,
2038 def XOR32rm : I<0x33, MRMSrcMem,
2039 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2040 "xor{l}\t{$src2, $dst|$dst, $src2}",
2041 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2042 (load addr:$src2)))]>;
2044 def XOR8ri : Ii8<0x80, MRM6r,
2045 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2046 "xor{b}\t{$src2, $dst|$dst, $src2}",
2047 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1, imm:$src2))]>;
2048 def XOR16ri : Ii16<0x81, MRM6r,
2049 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2050 "xor{w}\t{$src2, $dst|$dst, $src2}",
2051 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2052 imm:$src2))]>, OpSize;
2053 def XOR32ri : Ii32<0x81, MRM6r,
2054 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2055 "xor{l}\t{$src2, $dst|$dst, $src2}",
2056 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2058 def XOR16ri8 : Ii8<0x83, MRM6r,
2059 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2060 "xor{w}\t{$src2, $dst|$dst, $src2}",
2061 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2062 i16immSExt8:$src2))]>,
2064 def XOR32ri8 : Ii8<0x83, MRM6r,
2065 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2066 "xor{l}\t{$src2, $dst|$dst, $src2}",
2067 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2068 i32immSExt8:$src2))]>;
2070 let Constraints = "" in {
2071 def XOR8mr : I<0x30, MRMDestMem,
2072 (outs), (ins i8mem :$dst, GR8 :$src),
2073 "xor{b}\t{$src, $dst|$dst, $src}",
2074 [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
2075 (implicit EFLAGS)]>;
2076 def XOR16mr : I<0x31, MRMDestMem,
2077 (outs), (ins i16mem:$dst, GR16:$src),
2078 "xor{w}\t{$src, $dst|$dst, $src}",
2079 [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
2080 (implicit EFLAGS)]>,
2082 def XOR32mr : I<0x31, MRMDestMem,
2083 (outs), (ins i32mem:$dst, GR32:$src),
2084 "xor{l}\t{$src, $dst|$dst, $src}",
2085 [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
2086 (implicit EFLAGS)]>;
2087 def XOR8mi : Ii8<0x80, MRM6m,
2088 (outs), (ins i8mem :$dst, i8imm :$src),
2089 "xor{b}\t{$src, $dst|$dst, $src}",
2090 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
2091 (implicit EFLAGS)]>;
2092 def XOR16mi : Ii16<0x81, MRM6m,
2093 (outs), (ins i16mem:$dst, i16imm:$src),
2094 "xor{w}\t{$src, $dst|$dst, $src}",
2095 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
2096 (implicit EFLAGS)]>,
2098 def XOR32mi : Ii32<0x81, MRM6m,
2099 (outs), (ins i32mem:$dst, i32imm:$src),
2100 "xor{l}\t{$src, $dst|$dst, $src}",
2101 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
2102 (implicit EFLAGS)]>;
2103 def XOR16mi8 : Ii8<0x83, MRM6m,
2104 (outs), (ins i16mem:$dst, i16i8imm :$src),
2105 "xor{w}\t{$src, $dst|$dst, $src}",
2106 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
2107 (implicit EFLAGS)]>,
2109 def XOR32mi8 : Ii8<0x83, MRM6m,
2110 (outs), (ins i32mem:$dst, i32i8imm :$src),
2111 "xor{l}\t{$src, $dst|$dst, $src}",
2112 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
2113 (implicit EFLAGS)]>;
2115 def XOR8i8 : Ii8 <0x34, RawFrm, (outs), (ins i8imm:$src),
2116 "xor{b}\t{$src, %al|%al, $src}", []>;
2117 def XOR16i16 : Ii16<0x35, RawFrm, (outs), (ins i16imm:$src),
2118 "xor{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2119 def XOR32i32 : Ii32<0x35, RawFrm, (outs), (ins i32imm:$src),
2120 "xor{l}\t{$src, %eax|%eax, $src}", []>;
2121 } // Constraints = ""
2122 } // Defs = [EFLAGS]
2124 // Shift instructions
2125 let Defs = [EFLAGS] in {
2126 let Uses = [CL] in {
2127 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1),
2128 "shl{b}\t{%cl, $dst|$dst, CL}",
2129 [(set GR8:$dst, (shl GR8:$src1, CL))]>;
2130 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src1),
2131 "shl{w}\t{%cl, $dst|$dst, CL}",
2132 [(set GR16:$dst, (shl GR16:$src1, CL))]>, OpSize;
2133 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src1),
2134 "shl{l}\t{%cl, $dst|$dst, CL}",
2135 [(set GR32:$dst, (shl GR32:$src1, CL))]>;
2138 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2139 "shl{b}\t{$src2, $dst|$dst, $src2}",
2140 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
2142 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2143 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2144 "shl{w}\t{$src2, $dst|$dst, $src2}",
2145 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2146 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2147 "shl{l}\t{$src2, $dst|$dst, $src2}",
2148 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
2150 // NOTE: We don't include patterns for shifts of a register by one, because
2151 // 'add reg,reg' is cheaper.
2153 def SHL8r1 : I<0xD0, MRM4r, (outs GR8:$dst), (ins GR8:$src1),
2154 "shl{b}\t$dst", []>;
2155 def SHL16r1 : I<0xD1, MRM4r, (outs GR16:$dst), (ins GR16:$src1),
2156 "shl{w}\t$dst", []>, OpSize;
2157 def SHL32r1 : I<0xD1, MRM4r, (outs GR32:$dst), (ins GR32:$src1),
2158 "shl{l}\t$dst", []>;
2160 } // isConvertibleToThreeAddress = 1
2162 let Constraints = "" in {
2163 let Uses = [CL] in {
2164 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
2165 "shl{b}\t{%cl, $dst|$dst, CL}",
2166 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
2167 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
2168 "shl{w}\t{%cl, $dst|$dst, CL}",
2169 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2170 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
2171 "shl{l}\t{%cl, $dst|$dst, CL}",
2172 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
2174 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
2175 "shl{b}\t{$src, $dst|$dst, $src}",
2176 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2177 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
2178 "shl{w}\t{$src, $dst|$dst, $src}",
2179 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2181 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
2182 "shl{l}\t{$src, $dst|$dst, $src}",
2183 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2186 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
2188 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2189 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
2191 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2193 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
2195 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2196 } // Constraints = ""
2198 let Uses = [CL] in {
2199 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src1),
2200 "shr{b}\t{%cl, $dst|$dst, CL}",
2201 [(set GR8:$dst, (srl GR8:$src1, CL))]>;
2202 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
2203 "shr{w}\t{%cl, $dst|$dst, CL}",
2204 [(set GR16:$dst, (srl GR16:$src1, CL))]>, OpSize;
2205 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
2206 "shr{l}\t{%cl, $dst|$dst, CL}",
2207 [(set GR32:$dst, (srl GR32:$src1, CL))]>;
2210 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2211 "shr{b}\t{$src2, $dst|$dst, $src2}",
2212 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
2213 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2214 "shr{w}\t{$src2, $dst|$dst, $src2}",
2215 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2216 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2217 "shr{l}\t{$src2, $dst|$dst, $src2}",
2218 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
2221 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
2223 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
2224 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
2226 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
2227 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
2229 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
2231 let Constraints = "" in {
2232 let Uses = [CL] in {
2233 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
2234 "shr{b}\t{%cl, $dst|$dst, CL}",
2235 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
2236 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
2237 "shr{w}\t{%cl, $dst|$dst, CL}",
2238 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
2240 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
2241 "shr{l}\t{%cl, $dst|$dst, CL}",
2242 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
2244 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
2245 "shr{b}\t{$src, $dst|$dst, $src}",
2246 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2247 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
2248 "shr{w}\t{$src, $dst|$dst, $src}",
2249 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2251 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
2252 "shr{l}\t{$src, $dst|$dst, $src}",
2253 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2256 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
2258 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2259 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
2261 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
2262 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
2264 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2265 } // Constraints = ""
2267 let Uses = [CL] in {
2268 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
2269 "sar{b}\t{%cl, $dst|$dst, CL}",
2270 [(set GR8:$dst, (sra GR8:$src1, CL))]>;
2271 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
2272 "sar{w}\t{%cl, $dst|$dst, CL}",
2273 [(set GR16:$dst, (sra GR16:$src1, CL))]>, OpSize;
2274 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
2275 "sar{l}\t{%cl, $dst|$dst, CL}",
2276 [(set GR32:$dst, (sra GR32:$src1, CL))]>;
2279 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2280 "sar{b}\t{$src2, $dst|$dst, $src2}",
2281 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
2282 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2283 "sar{w}\t{$src2, $dst|$dst, $src2}",
2284 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
2286 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2287 "sar{l}\t{$src2, $dst|$dst, $src2}",
2288 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
2291 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
2293 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
2294 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
2296 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
2297 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
2299 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
2301 let Constraints = "" in {
2302 let Uses = [CL] in {
2303 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
2304 "sar{b}\t{%cl, $dst|$dst, CL}",
2305 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
2306 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
2307 "sar{w}\t{%cl, $dst|$dst, CL}",
2308 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2309 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
2310 "sar{l}\t{%cl, $dst|$dst, CL}",
2311 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
2313 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
2314 "sar{b}\t{$src, $dst|$dst, $src}",
2315 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2316 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
2317 "sar{w}\t{$src, $dst|$dst, $src}",
2318 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2320 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
2321 "sar{l}\t{$src, $dst|$dst, $src}",
2322 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2325 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
2327 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2328 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
2330 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2332 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
2334 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2335 } // Constraints = ""
2337 // Rotate instructions
2339 def RCL8r1 : I<0xD0, MRM2r, (outs GR8:$dst), (ins GR8:$src1),
2340 "rcl{b}\t{1, $dst|$dst, 1}", []>;
2341 let Uses = [CL] in {
2342 def RCL8rCL : I<0xD2, MRM2r, (outs GR8:$dst), (ins GR8:$src1),
2343 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
2345 def RCL8ri : Ii8<0xC0, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$cnt),
2346 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2348 def RCL16r1 : I<0xD1, MRM2r, (outs GR16:$dst), (ins GR16:$src1),
2349 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2350 let Uses = [CL] in {
2351 def RCL16rCL : I<0xD3, MRM2r, (outs GR16:$dst), (ins GR16:$src1),
2352 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2354 def RCL16ri : Ii8<0xC1, MRM2r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$cnt),
2355 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2357 def RCL32r1 : I<0xD1, MRM2r, (outs GR32:$dst), (ins GR32:$src1),
2358 "rcl{l}\t{1, $dst|$dst, 1}", []>;
2359 let Uses = [CL] in {
2360 def RCL32rCL : I<0xD3, MRM2r, (outs GR32:$dst), (ins GR32:$src1),
2361 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
2363 def RCL32ri : Ii8<0xC1, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$cnt),
2364 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2366 def RCR8r1 : I<0xD0, MRM3r, (outs GR8:$dst), (ins GR8:$src1),
2367 "rcr{b}\t{1, $dst|$dst, 1}", []>;
2368 let Uses = [CL] in {
2369 def RCR8rCL : I<0xD2, MRM3r, (outs GR8:$dst), (ins GR8:$src1),
2370 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
2372 def RCR8ri : Ii8<0xC0, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$cnt),
2373 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2375 def RCR16r1 : I<0xD1, MRM3r, (outs GR16:$dst), (ins GR16:$src1),
2376 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2377 let Uses = [CL] in {
2378 def RCR16rCL : I<0xD3, MRM3r, (outs GR16:$dst), (ins GR16:$src1),
2379 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2381 def RCR16ri : Ii8<0xC1, MRM3r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$cnt),
2382 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2384 def RCR32r1 : I<0xD1, MRM3r, (outs GR32:$dst), (ins GR32:$src1),
2385 "rcr{l}\t{1, $dst|$dst, 1}", []>;
2386 let Uses = [CL] in {
2387 def RCR32rCL : I<0xD3, MRM3r, (outs GR32:$dst), (ins GR32:$src1),
2388 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
2390 def RCR32ri : Ii8<0xC1, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$cnt),
2391 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2393 let Constraints = "" in {
2394 def RCL8m1 : I<0xD0, MRM2m, (outs), (ins i8mem:$dst),
2395 "rcl{b}\t{1, $dst|$dst, 1}", []>;
2396 def RCL8mi : Ii8<0xC0, MRM2m, (outs), (ins i8mem:$dst, i8imm:$cnt),
2397 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2398 def RCL16m1 : I<0xD1, MRM2m, (outs), (ins i16mem:$dst),
2399 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2400 def RCL16mi : Ii8<0xC1, MRM2m, (outs), (ins i16mem:$dst, i8imm:$cnt),
2401 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2402 def RCL32m1 : I<0xD1, MRM2m, (outs), (ins i32mem:$dst),
2403 "rcl{l}\t{1, $dst|$dst, 1}", []>;
2404 def RCL32mi : Ii8<0xC1, MRM2m, (outs), (ins i32mem:$dst, i8imm:$cnt),
2405 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2406 def RCR8m1 : I<0xD0, MRM3m, (outs), (ins i8mem:$dst),
2407 "rcr{b}\t{1, $dst|$dst, 1}", []>;
2408 def RCR8mi : Ii8<0xC0, MRM3m, (outs), (ins i8mem:$dst, i8imm:$cnt),
2409 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2410 def RCR16m1 : I<0xD1, MRM3m, (outs), (ins i16mem:$dst),
2411 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2412 def RCR16mi : Ii8<0xC1, MRM3m, (outs), (ins i16mem:$dst, i8imm:$cnt),
2413 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2414 def RCR32m1 : I<0xD1, MRM3m, (outs), (ins i32mem:$dst),
2415 "rcr{l}\t{1, $dst|$dst, 1}", []>;
2416 def RCR32mi : Ii8<0xC1, MRM3m, (outs), (ins i32mem:$dst, i8imm:$cnt),
2417 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2419 let Uses = [CL] in {
2420 def RCL8mCL : I<0xD2, MRM2m, (outs), (ins i8mem:$dst),
2421 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
2422 def RCL16mCL : I<0xD3, MRM2m, (outs), (ins i16mem:$dst),
2423 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2424 def RCL32mCL : I<0xD3, MRM2m, (outs), (ins i32mem:$dst),
2425 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
2426 def RCR8mCL : I<0xD2, MRM3m, (outs), (ins i8mem:$dst),
2427 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
2428 def RCR16mCL : I<0xD3, MRM3m, (outs), (ins i16mem:$dst),
2429 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2430 def RCR32mCL : I<0xD3, MRM3m, (outs), (ins i32mem:$dst),
2431 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
2433 } // Constraints = ""
2435 // FIXME: provide shorter instructions when imm8 == 1
2436 let Uses = [CL] in {
2437 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
2438 "rol{b}\t{%cl, $dst|$dst, CL}",
2439 [(set GR8:$dst, (rotl GR8:$src1, CL))]>;
2440 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
2441 "rol{w}\t{%cl, $dst|$dst, CL}",
2442 [(set GR16:$dst, (rotl GR16:$src1, CL))]>, OpSize;
2443 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
2444 "rol{l}\t{%cl, $dst|$dst, CL}",
2445 [(set GR32:$dst, (rotl GR32:$src1, CL))]>;
2448 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2449 "rol{b}\t{$src2, $dst|$dst, $src2}",
2450 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
2451 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2452 "rol{w}\t{$src2, $dst|$dst, $src2}",
2453 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>,
2455 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2456 "rol{l}\t{$src2, $dst|$dst, $src2}",
2457 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
2460 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
2462 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
2463 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
2465 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
2466 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
2468 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
2470 let Constraints = "" in {
2471 let Uses = [CL] in {
2472 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
2473 "rol{b}\t{%cl, $dst|$dst, CL}",
2474 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
2475 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
2476 "rol{w}\t{%cl, $dst|$dst, CL}",
2477 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2478 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
2479 "rol{l}\t{%cl, $dst|$dst, CL}",
2480 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
2482 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
2483 "rol{b}\t{$src, $dst|$dst, $src}",
2484 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2485 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
2486 "rol{w}\t{$src, $dst|$dst, $src}",
2487 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2489 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
2490 "rol{l}\t{$src, $dst|$dst, $src}",
2491 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2494 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
2496 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2497 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
2499 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2501 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
2503 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2504 } // Constraints = ""
2506 let Uses = [CL] in {
2507 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2508 "ror{b}\t{%cl, $dst|$dst, CL}",
2509 [(set GR8:$dst, (rotr GR8:$src1, CL))]>;
2510 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2511 "ror{w}\t{%cl, $dst|$dst, CL}",
2512 [(set GR16:$dst, (rotr GR16:$src1, CL))]>, OpSize;
2513 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2514 "ror{l}\t{%cl, $dst|$dst, CL}",
2515 [(set GR32:$dst, (rotr GR32:$src1, CL))]>;
2518 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2519 "ror{b}\t{$src2, $dst|$dst, $src2}",
2520 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
2521 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2522 "ror{w}\t{$src2, $dst|$dst, $src2}",
2523 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>,
2525 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2526 "ror{l}\t{$src2, $dst|$dst, $src2}",
2527 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
2530 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2532 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
2533 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2535 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
2536 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2538 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
2540 let Constraints = "" in {
2541 let Uses = [CL] in {
2542 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
2543 "ror{b}\t{%cl, $dst|$dst, CL}",
2544 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
2545 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
2546 "ror{w}\t{%cl, $dst|$dst, CL}",
2547 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2548 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
2549 "ror{l}\t{%cl, $dst|$dst, CL}",
2550 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
2552 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2553 "ror{b}\t{$src, $dst|$dst, $src}",
2554 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2555 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
2556 "ror{w}\t{$src, $dst|$dst, $src}",
2557 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2559 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
2560 "ror{l}\t{$src, $dst|$dst, $src}",
2561 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2564 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
2566 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2567 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
2569 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2571 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
2573 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2574 } // Constraints = ""
2577 // Double shift instructions (generalizations of rotate)
2578 let Uses = [CL] in {
2579 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst),
2580 (ins GR32:$src1, GR32:$src2),
2581 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2582 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
2583 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst),
2584 (ins GR32:$src1, GR32:$src2),
2585 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2586 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
2587 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst),
2588 (ins GR16:$src1, GR16:$src2),
2589 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2590 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
2592 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst),
2593 (ins GR16:$src1, GR16:$src2),
2594 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2595 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
2599 let isCommutable = 1 in { // These instructions commute to each other.
2600 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
2602 (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2603 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2604 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
2607 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
2609 (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2610 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2611 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
2614 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
2616 (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2617 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2618 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
2621 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
2623 (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2624 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2625 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
2630 let Constraints = "" in {
2631 let Uses = [CL] in {
2632 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2633 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2634 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
2636 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2637 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2638 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
2641 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
2642 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2643 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2644 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
2645 (i8 imm:$src3)), addr:$dst)]>,
2647 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
2648 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2649 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2650 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
2651 (i8 imm:$src3)), addr:$dst)]>,
2654 let Uses = [CL] in {
2655 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2656 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2657 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
2658 addr:$dst)]>, TB, OpSize;
2659 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2660 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2661 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
2662 addr:$dst)]>, TB, OpSize;
2664 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
2665 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2666 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2667 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
2668 (i8 imm:$src3)), addr:$dst)]>,
2670 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
2671 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2672 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2673 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
2674 (i8 imm:$src3)), addr:$dst)]>,
2676 } // Constraints = ""
2677 } // Defs = [EFLAGS]
2681 let Defs = [EFLAGS] in {
2682 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
2683 // Register-Register Addition
2684 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
2685 (ins GR8 :$src1, GR8 :$src2),
2686 "add{b}\t{$src2, $dst|$dst, $src2}",
2687 [(set GR8:$dst, EFLAGS, (X86add_flag GR8:$src1, GR8:$src2))]>;
2689 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2690 // Register-Register Addition
2691 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
2692 (ins GR16:$src1, GR16:$src2),
2693 "add{w}\t{$src2, $dst|$dst, $src2}",
2694 [(set GR16:$dst, EFLAGS, (X86add_flag GR16:$src1,
2695 GR16:$src2))]>, OpSize;
2696 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
2697 (ins GR32:$src1, GR32:$src2),
2698 "add{l}\t{$src2, $dst|$dst, $src2}",
2699 [(set GR32:$dst, EFLAGS, (X86add_flag GR32:$src1,
2701 } // end isConvertibleToThreeAddress
2702 } // end isCommutable
2704 // These are alternate spellings for use by the disassembler, we mark them as
2705 // code gen only to ensure they aren't matched by the assembler.
2706 let isCodeGenOnly = 1 in {
2707 def ADD8rr_alt: I<0x02, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2708 "add{b}\t{$src2, $dst|$dst, $src2}", []>;
2709 def ADD16rr_alt: I<0x03, MRMSrcReg,(outs GR16:$dst),(ins GR16:$src1, GR16:$src2),
2710 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2711 def ADD32rr_alt: I<0x03, MRMSrcReg,(outs GR32:$dst),(ins GR32:$src1, GR32:$src2),
2712 "add{l}\t{$src2, $dst|$dst, $src2}", []>;
2715 // Register-Memory Addition
2716 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
2717 (ins GR8 :$src1, i8mem :$src2),
2718 "add{b}\t{$src2, $dst|$dst, $src2}",
2719 [(set GR8:$dst, EFLAGS, (X86add_flag GR8:$src1,
2720 (load addr:$src2)))]>;
2721 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
2722 (ins GR16:$src1, i16mem:$src2),
2723 "add{w}\t{$src2, $dst|$dst, $src2}",
2724 [(set GR16:$dst, EFLAGS, (X86add_flag GR16:$src1,
2725 (load addr:$src2)))]>, OpSize;
2726 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
2727 (ins GR32:$src1, i32mem:$src2),
2728 "add{l}\t{$src2, $dst|$dst, $src2}",
2729 [(set GR32:$dst, EFLAGS, (X86add_flag GR32:$src1,
2730 (load addr:$src2)))]>;
2732 // Register-Integer Addition
2733 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2734 "add{b}\t{$src2, $dst|$dst, $src2}",
2735 [(set GR8:$dst, EFLAGS,
2736 (X86add_flag GR8:$src1, imm:$src2))]>;
2738 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2739 // Register-Integer Addition
2740 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
2741 (ins GR16:$src1, i16imm:$src2),
2742 "add{w}\t{$src2, $dst|$dst, $src2}",
2743 [(set GR16:$dst, EFLAGS,
2744 (X86add_flag GR16:$src1, imm:$src2))]>, OpSize;
2745 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2746 (ins GR32:$src1, i32imm:$src2),
2747 "add{l}\t{$src2, $dst|$dst, $src2}",
2748 [(set GR32:$dst, EFLAGS,
2749 (X86add_flag GR32:$src1, imm:$src2))]>;
2750 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2751 (ins GR16:$src1, i16i8imm:$src2),
2752 "add{w}\t{$src2, $dst|$dst, $src2}",
2753 [(set GR16:$dst, EFLAGS,
2754 (X86add_flag GR16:$src1, i16immSExt8:$src2))]>, OpSize;
2755 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2756 (ins GR32:$src1, i32i8imm:$src2),
2757 "add{l}\t{$src2, $dst|$dst, $src2}",
2758 [(set GR32:$dst, EFLAGS,
2759 (X86add_flag GR32:$src1, i32immSExt8:$src2))]>;
2762 let Constraints = "" in {
2763 // Memory-Register Addition
2764 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2765 "add{b}\t{$src2, $dst|$dst, $src2}",
2766 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2767 (implicit EFLAGS)]>;
2768 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2769 "add{w}\t{$src2, $dst|$dst, $src2}",
2770 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2771 (implicit EFLAGS)]>, OpSize;
2772 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2773 "add{l}\t{$src2, $dst|$dst, $src2}",
2774 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2775 (implicit EFLAGS)]>;
2776 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2777 "add{b}\t{$src2, $dst|$dst, $src2}",
2778 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2779 (implicit EFLAGS)]>;
2780 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2781 "add{w}\t{$src2, $dst|$dst, $src2}",
2782 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2783 (implicit EFLAGS)]>, OpSize;
2784 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2785 "add{l}\t{$src2, $dst|$dst, $src2}",
2786 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2787 (implicit EFLAGS)]>;
2788 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2789 "add{w}\t{$src2, $dst|$dst, $src2}",
2790 [(store (add (load addr:$dst), i16immSExt8:$src2),
2792 (implicit EFLAGS)]>, OpSize;
2793 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2794 "add{l}\t{$src2, $dst|$dst, $src2}",
2795 [(store (add (load addr:$dst), i32immSExt8:$src2),
2797 (implicit EFLAGS)]>;
2800 def ADD8i8 : Ii8<0x04, RawFrm, (outs), (ins i8imm:$src),
2801 "add{b}\t{$src, %al|%al, $src}", []>;
2802 def ADD16i16 : Ii16<0x05, RawFrm, (outs), (ins i16imm:$src),
2803 "add{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2804 def ADD32i32 : Ii32<0x05, RawFrm, (outs), (ins i32imm:$src),
2805 "add{l}\t{$src, %eax|%eax, $src}", []>;
2806 } // Constraints = ""
2808 let Uses = [EFLAGS] in {
2809 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2810 def ADC8rr : I<0x10, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2811 "adc{b}\t{$src2, $dst|$dst, $src2}",
2812 [(set GR8:$dst, (adde GR8:$src1, GR8:$src2))]>;
2813 def ADC16rr : I<0x11, MRMDestReg, (outs GR16:$dst),
2814 (ins GR16:$src1, GR16:$src2),
2815 "adc{w}\t{$src2, $dst|$dst, $src2}",
2816 [(set GR16:$dst, (adde GR16:$src1, GR16:$src2))]>, OpSize;
2817 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst),
2818 (ins GR32:$src1, GR32:$src2),
2819 "adc{l}\t{$src2, $dst|$dst, $src2}",
2820 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2823 let isCodeGenOnly = 1 in {
2824 def ADC8rr_REV : I<0x12, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2825 "adc{b}\t{$src2, $dst|$dst, $src2}", []>;
2826 def ADC16rr_REV : I<0x13, MRMSrcReg, (outs GR16:$dst),
2827 (ins GR16:$src1, GR16:$src2),
2828 "adc{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2829 def ADC32rr_REV : I<0x13, MRMSrcReg, (outs GR32:$dst),
2830 (ins GR32:$src1, GR32:$src2),
2831 "adc{l}\t{$src2, $dst|$dst, $src2}", []>;
2834 def ADC8rm : I<0x12, MRMSrcMem , (outs GR8:$dst),
2835 (ins GR8:$src1, i8mem:$src2),
2836 "adc{b}\t{$src2, $dst|$dst, $src2}",
2837 [(set GR8:$dst, (adde GR8:$src1, (load addr:$src2)))]>;
2838 def ADC16rm : I<0x13, MRMSrcMem , (outs GR16:$dst),
2839 (ins GR16:$src1, i16mem:$src2),
2840 "adc{w}\t{$src2, $dst|$dst, $src2}",
2841 [(set GR16:$dst, (adde GR16:$src1, (load addr:$src2)))]>,
2843 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst),
2844 (ins GR32:$src1, i32mem:$src2),
2845 "adc{l}\t{$src2, $dst|$dst, $src2}",
2846 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2847 def ADC8ri : Ii8<0x80, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2848 "adc{b}\t{$src2, $dst|$dst, $src2}",
2849 [(set GR8:$dst, (adde GR8:$src1, imm:$src2))]>;
2850 def ADC16ri : Ii16<0x81, MRM2r, (outs GR16:$dst),
2851 (ins GR16:$src1, i16imm:$src2),
2852 "adc{w}\t{$src2, $dst|$dst, $src2}",
2853 [(set GR16:$dst, (adde GR16:$src1, imm:$src2))]>, OpSize;
2854 def ADC16ri8 : Ii8<0x83, MRM2r, (outs GR16:$dst),
2855 (ins GR16:$src1, i16i8imm:$src2),
2856 "adc{w}\t{$src2, $dst|$dst, $src2}",
2857 [(set GR16:$dst, (adde GR16:$src1, i16immSExt8:$src2))]>,
2859 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst),
2860 (ins GR32:$src1, i32imm:$src2),
2861 "adc{l}\t{$src2, $dst|$dst, $src2}",
2862 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2863 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst),
2864 (ins GR32:$src1, i32i8imm:$src2),
2865 "adc{l}\t{$src2, $dst|$dst, $src2}",
2866 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2868 let Constraints = "" in {
2869 def ADC8mr : I<0x10, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2870 "adc{b}\t{$src2, $dst|$dst, $src2}",
2871 [(store (adde (load addr:$dst), GR8:$src2), addr:$dst)]>;
2872 def ADC16mr : I<0x11, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2873 "adc{w}\t{$src2, $dst|$dst, $src2}",
2874 [(store (adde (load addr:$dst), GR16:$src2), addr:$dst)]>,
2876 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2877 "adc{l}\t{$src2, $dst|$dst, $src2}",
2878 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2879 def ADC8mi : Ii8<0x80, MRM2m, (outs), (ins i8mem:$dst, i8imm:$src2),
2880 "adc{b}\t{$src2, $dst|$dst, $src2}",
2881 [(store (adde (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2882 def ADC16mi : Ii16<0x81, MRM2m, (outs), (ins i16mem:$dst, i16imm:$src2),
2883 "adc{w}\t{$src2, $dst|$dst, $src2}",
2884 [(store (adde (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2886 def ADC16mi8 : Ii8<0x83, MRM2m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2887 "adc{w}\t{$src2, $dst|$dst, $src2}",
2888 [(store (adde (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2890 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2891 "adc{l}\t{$src2, $dst|$dst, $src2}",
2892 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2893 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2894 "adc{l}\t{$src2, $dst|$dst, $src2}",
2895 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2897 def ADC8i8 : Ii8<0x14, RawFrm, (outs), (ins i8imm:$src),
2898 "adc{b}\t{$src, %al|%al, $src}", []>;
2899 def ADC16i16 : Ii16<0x15, RawFrm, (outs), (ins i16imm:$src),
2900 "adc{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2901 def ADC32i32 : Ii32<0x15, RawFrm, (outs), (ins i32imm:$src),
2902 "adc{l}\t{$src, %eax|%eax, $src}", []>;
2903 } // Constraints = ""
2904 } // Uses = [EFLAGS]
2906 // Register-Register Subtraction
2907 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2908 "sub{b}\t{$src2, $dst|$dst, $src2}",
2909 [(set GR8:$dst, EFLAGS,
2910 (X86sub_flag GR8:$src1, GR8:$src2))]>;
2911 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2912 "sub{w}\t{$src2, $dst|$dst, $src2}",
2913 [(set GR16:$dst, EFLAGS,
2914 (X86sub_flag GR16:$src1, GR16:$src2))]>, OpSize;
2915 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2916 "sub{l}\t{$src2, $dst|$dst, $src2}",
2917 [(set GR32:$dst, EFLAGS,
2918 (X86sub_flag GR32:$src1, GR32:$src2))]>;
2920 let isCodeGenOnly = 1 in {
2921 def SUB8rr_REV : I<0x2A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2922 "sub{b}\t{$src2, $dst|$dst, $src2}", []>;
2923 def SUB16rr_REV : I<0x2B, MRMSrcReg, (outs GR16:$dst),
2924 (ins GR16:$src1, GR16:$src2),
2925 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2926 def SUB32rr_REV : I<0x2B, MRMSrcReg, (outs GR32:$dst),
2927 (ins GR32:$src1, GR32:$src2),
2928 "sub{l}\t{$src2, $dst|$dst, $src2}", []>;
2931 // Register-Memory Subtraction
2932 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
2933 (ins GR8 :$src1, i8mem :$src2),
2934 "sub{b}\t{$src2, $dst|$dst, $src2}",
2935 [(set GR8:$dst, EFLAGS,
2936 (X86sub_flag GR8:$src1, (load addr:$src2)))]>;
2937 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
2938 (ins GR16:$src1, i16mem:$src2),
2939 "sub{w}\t{$src2, $dst|$dst, $src2}",
2940 [(set GR16:$dst, EFLAGS,
2941 (X86sub_flag GR16:$src1, (load addr:$src2)))]>, OpSize;
2942 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
2943 (ins GR32:$src1, i32mem:$src2),
2944 "sub{l}\t{$src2, $dst|$dst, $src2}",
2945 [(set GR32:$dst, EFLAGS,
2946 (X86sub_flag GR32:$src1, (load addr:$src2)))]>;
2948 // Register-Integer Subtraction
2949 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
2950 (ins GR8:$src1, i8imm:$src2),
2951 "sub{b}\t{$src2, $dst|$dst, $src2}",
2952 [(set GR8:$dst, EFLAGS,
2953 (X86sub_flag GR8:$src1, imm:$src2))]>;
2954 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
2955 (ins GR16:$src1, i16imm:$src2),
2956 "sub{w}\t{$src2, $dst|$dst, $src2}",
2957 [(set GR16:$dst, EFLAGS,
2958 (X86sub_flag GR16:$src1, imm:$src2))]>, OpSize;
2959 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
2960 (ins GR32:$src1, i32imm:$src2),
2961 "sub{l}\t{$src2, $dst|$dst, $src2}",
2962 [(set GR32:$dst, EFLAGS,
2963 (X86sub_flag GR32:$src1, imm:$src2))]>;
2964 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
2965 (ins GR16:$src1, i16i8imm:$src2),
2966 "sub{w}\t{$src2, $dst|$dst, $src2}",
2967 [(set GR16:$dst, EFLAGS,
2968 (X86sub_flag GR16:$src1, i16immSExt8:$src2))]>, OpSize;
2969 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
2970 (ins GR32:$src1, i32i8imm:$src2),
2971 "sub{l}\t{$src2, $dst|$dst, $src2}",
2972 [(set GR32:$dst, EFLAGS,
2973 (X86sub_flag GR32:$src1, i32immSExt8:$src2))]>;
2975 let Constraints = "" in {
2976 // Memory-Register Subtraction
2977 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
2978 "sub{b}\t{$src2, $dst|$dst, $src2}",
2979 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
2980 (implicit EFLAGS)]>;
2981 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2982 "sub{w}\t{$src2, $dst|$dst, $src2}",
2983 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
2984 (implicit EFLAGS)]>, OpSize;
2985 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2986 "sub{l}\t{$src2, $dst|$dst, $src2}",
2987 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
2988 (implicit EFLAGS)]>;
2990 // Memory-Integer Subtraction
2991 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
2992 "sub{b}\t{$src2, $dst|$dst, $src2}",
2993 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
2994 (implicit EFLAGS)]>;
2995 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
2996 "sub{w}\t{$src2, $dst|$dst, $src2}",
2997 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
2998 (implicit EFLAGS)]>, OpSize;
2999 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
3000 "sub{l}\t{$src2, $dst|$dst, $src2}",
3001 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
3002 (implicit EFLAGS)]>;
3003 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3004 "sub{w}\t{$src2, $dst|$dst, $src2}",
3005 [(store (sub (load addr:$dst), i16immSExt8:$src2),
3007 (implicit EFLAGS)]>, OpSize;
3008 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3009 "sub{l}\t{$src2, $dst|$dst, $src2}",
3010 [(store (sub (load addr:$dst), i32immSExt8:$src2),
3012 (implicit EFLAGS)]>;
3014 def SUB8i8 : Ii8<0x2C, RawFrm, (outs), (ins i8imm:$src),
3015 "sub{b}\t{$src, %al|%al, $src}", []>;
3016 def SUB16i16 : Ii16<0x2D, RawFrm, (outs), (ins i16imm:$src),
3017 "sub{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3018 def SUB32i32 : Ii32<0x2D, RawFrm, (outs), (ins i32imm:$src),
3019 "sub{l}\t{$src, %eax|%eax, $src}", []>;
3020 } // Constraints = ""
3022 let Uses = [EFLAGS] in {
3023 def SBB8rr : I<0x18, MRMDestReg, (outs GR8:$dst),
3024 (ins GR8:$src1, GR8:$src2),
3025 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3026 [(set GR8:$dst, (sube GR8:$src1, GR8:$src2))]>;
3027 def SBB16rr : I<0x19, MRMDestReg, (outs GR16:$dst),
3028 (ins GR16:$src1, GR16:$src2),
3029 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3030 [(set GR16:$dst, (sube GR16:$src1, GR16:$src2))]>, OpSize;
3031 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst),
3032 (ins GR32:$src1, GR32:$src2),
3033 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3034 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
3036 let Constraints = "" in {
3037 def SBB8mr : I<0x18, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
3038 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3039 [(store (sube (load addr:$dst), GR8:$src2), addr:$dst)]>;
3040 def SBB16mr : I<0x19, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3041 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3042 [(store (sube (load addr:$dst), GR16:$src2), addr:$dst)]>,
3044 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3045 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3046 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
3047 def SBB8mi : Ii8<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
3048 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3049 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
3050 def SBB16mi : Ii16<0x81, MRM3m, (outs), (ins i16mem:$dst, i16imm:$src2),
3051 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3052 [(store (sube (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
3054 def SBB16mi8 : Ii8<0x83, MRM3m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3055 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3056 [(store (sube (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
3058 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
3059 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3060 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
3061 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3062 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3063 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
3065 def SBB8i8 : Ii8<0x1C, RawFrm, (outs), (ins i8imm:$src),
3066 "sbb{b}\t{$src, %al|%al, $src}", []>;
3067 def SBB16i16 : Ii16<0x1D, RawFrm, (outs), (ins i16imm:$src),
3068 "sbb{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3069 def SBB32i32 : Ii32<0x1D, RawFrm, (outs), (ins i32imm:$src),
3070 "sbb{l}\t{$src, %eax|%eax, $src}", []>;
3071 } // Constraints = ""
3073 let isCodeGenOnly = 1 in {
3074 def SBB8rr_REV : I<0x1A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
3075 "sbb{b}\t{$src2, $dst|$dst, $src2}", []>;
3076 def SBB16rr_REV : I<0x1B, MRMSrcReg, (outs GR16:$dst),
3077 (ins GR16:$src1, GR16:$src2),
3078 "sbb{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
3079 def SBB32rr_REV : I<0x1B, MRMSrcReg, (outs GR32:$dst),
3080 (ins GR32:$src1, GR32:$src2),
3081 "sbb{l}\t{$src2, $dst|$dst, $src2}", []>;
3084 def SBB8rm : I<0x1A, MRMSrcMem, (outs GR8:$dst), (ins GR8:$src1, i8mem:$src2),
3085 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3086 [(set GR8:$dst, (sube GR8:$src1, (load addr:$src2)))]>;
3087 def SBB16rm : I<0x1B, MRMSrcMem, (outs GR16:$dst),
3088 (ins GR16:$src1, i16mem:$src2),
3089 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3090 [(set GR16:$dst, (sube GR16:$src1, (load addr:$src2)))]>,
3092 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst),
3093 (ins GR32:$src1, i32mem:$src2),
3094 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3095 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
3096 def SBB8ri : Ii8<0x80, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
3097 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3098 [(set GR8:$dst, (sube GR8:$src1, imm:$src2))]>;
3099 def SBB16ri : Ii16<0x81, MRM3r, (outs GR16:$dst),
3100 (ins GR16:$src1, i16imm:$src2),
3101 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3102 [(set GR16:$dst, (sube GR16:$src1, imm:$src2))]>, OpSize;
3103 def SBB16ri8 : Ii8<0x83, MRM3r, (outs GR16:$dst),
3104 (ins GR16:$src1, i16i8imm:$src2),
3105 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3106 [(set GR16:$dst, (sube GR16:$src1, i16immSExt8:$src2))]>,
3108 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst),
3109 (ins GR32:$src1, i32imm:$src2),
3110 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3111 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
3112 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst),
3113 (ins GR32:$src1, i32i8imm:$src2),
3114 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3115 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
3116 } // Uses = [EFLAGS]
3117 } // Defs = [EFLAGS]
3119 let Defs = [EFLAGS] in {
3120 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
3121 // Register-Register Signed Integer Multiply
3122 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
3123 "imul{w}\t{$src2, $dst|$dst, $src2}",
3124 [(set GR16:$dst, EFLAGS,
3125 (X86smul_flag GR16:$src1, GR16:$src2))]>, TB, OpSize;
3126 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
3127 "imul{l}\t{$src2, $dst|$dst, $src2}",
3128 [(set GR32:$dst, EFLAGS,
3129 (X86smul_flag GR32:$src1, GR32:$src2))]>, TB;
3132 // Register-Memory Signed Integer Multiply
3133 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
3134 (ins GR16:$src1, i16mem:$src2),
3135 "imul{w}\t{$src2, $dst|$dst, $src2}",
3136 [(set GR16:$dst, EFLAGS,
3137 (X86smul_flag GR16:$src1, (load addr:$src2)))]>,
3139 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst),
3140 (ins GR32:$src1, i32mem:$src2),
3141 "imul{l}\t{$src2, $dst|$dst, $src2}",
3142 [(set GR32:$dst, EFLAGS,
3143 (X86smul_flag GR32:$src1, (load addr:$src2)))]>, TB;
3144 } // Defs = [EFLAGS]
3145 } // end Two Address instructions
3147 // Suprisingly enough, these are not two address instructions!
3148 let Defs = [EFLAGS] in {
3149 // Register-Integer Signed Integer Multiply
3150 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
3151 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
3152 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3153 [(set GR16:$dst, EFLAGS,
3154 (X86smul_flag GR16:$src1, imm:$src2))]>, OpSize;
3155 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
3156 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
3157 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3158 [(set GR32:$dst, EFLAGS,
3159 (X86smul_flag GR32:$src1, imm:$src2))]>;
3160 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
3161 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
3162 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3163 [(set GR16:$dst, EFLAGS,
3164 (X86smul_flag GR16:$src1, i16immSExt8:$src2))]>,
3166 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
3167 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
3168 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3169 [(set GR32:$dst, EFLAGS,
3170 (X86smul_flag GR32:$src1, i32immSExt8:$src2))]>;
3172 // Memory-Integer Signed Integer Multiply
3173 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
3174 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
3175 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3176 [(set GR16:$dst, EFLAGS,
3177 (X86smul_flag (load addr:$src1), imm:$src2))]>,
3179 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
3180 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
3181 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3182 [(set GR32:$dst, EFLAGS,
3183 (X86smul_flag (load addr:$src1), imm:$src2))]>;
3184 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
3185 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
3186 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3187 [(set GR16:$dst, EFLAGS,
3188 (X86smul_flag (load addr:$src1),
3189 i16immSExt8:$src2))]>, OpSize;
3190 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
3191 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
3192 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3193 [(set GR32:$dst, EFLAGS,
3194 (X86smul_flag (load addr:$src1),
3195 i32immSExt8:$src2))]>;
3196 } // Defs = [EFLAGS]
3198 //===----------------------------------------------------------------------===//
3199 // Test instructions are just like AND, except they don't generate a result.
3201 let Defs = [EFLAGS] in {
3202 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
3203 def TEST8rr : I<0x84, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
3204 "test{b}\t{$src2, $src1|$src1, $src2}",
3205 [(set EFLAGS, (X86cmp (and_su GR8:$src1, GR8:$src2), 0))]>;
3206 def TEST16rr : I<0x85, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
3207 "test{w}\t{$src2, $src1|$src1, $src2}",
3208 [(set EFLAGS, (X86cmp (and_su GR16:$src1, GR16:$src2),
3211 def TEST32rr : I<0x85, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
3212 "test{l}\t{$src2, $src1|$src1, $src2}",
3213 [(set EFLAGS, (X86cmp (and_su GR32:$src1, GR32:$src2),
3217 def TEST8i8 : Ii8<0xA8, RawFrm, (outs), (ins i8imm:$src),
3218 "test{b}\t{$src, %al|%al, $src}", []>;
3219 def TEST16i16 : Ii16<0xA9, RawFrm, (outs), (ins i16imm:$src),
3220 "test{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3221 def TEST32i32 : Ii32<0xA9, RawFrm, (outs), (ins i32imm:$src),
3222 "test{l}\t{$src, %eax|%eax, $src}", []>;
3224 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
3225 "test{b}\t{$src2, $src1|$src1, $src2}",
3226 [(set EFLAGS, (X86cmp (and GR8:$src1, (loadi8 addr:$src2)),
3228 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
3229 "test{w}\t{$src2, $src1|$src1, $src2}",
3230 [(set EFLAGS, (X86cmp (and GR16:$src1,
3231 (loadi16 addr:$src2)), 0))]>, OpSize;
3232 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
3233 "test{l}\t{$src2, $src1|$src1, $src2}",
3234 [(set EFLAGS, (X86cmp (and GR32:$src1,
3235 (loadi32 addr:$src2)), 0))]>;
3237 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
3238 (outs), (ins GR8:$src1, i8imm:$src2),
3239 "test{b}\t{$src2, $src1|$src1, $src2}",
3240 [(set EFLAGS, (X86cmp (and_su GR8:$src1, imm:$src2), 0))]>;
3241 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
3242 (outs), (ins GR16:$src1, i16imm:$src2),
3243 "test{w}\t{$src2, $src1|$src1, $src2}",
3244 [(set EFLAGS, (X86cmp (and_su GR16:$src1, imm:$src2), 0))]>,
3246 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
3247 (outs), (ins GR32:$src1, i32imm:$src2),
3248 "test{l}\t{$src2, $src1|$src1, $src2}",
3249 [(set EFLAGS, (X86cmp (and_su GR32:$src1, imm:$src2), 0))]>;
3251 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
3252 (outs), (ins i8mem:$src1, i8imm:$src2),
3253 "test{b}\t{$src2, $src1|$src1, $src2}",
3254 [(set EFLAGS, (X86cmp (and (loadi8 addr:$src1), imm:$src2),
3256 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
3257 (outs), (ins i16mem:$src1, i16imm:$src2),
3258 "test{w}\t{$src2, $src1|$src1, $src2}",
3259 [(set EFLAGS, (X86cmp (and (loadi16 addr:$src1), imm:$src2),
3261 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
3262 (outs), (ins i32mem:$src1, i32imm:$src2),
3263 "test{l}\t{$src2, $src1|$src1, $src2}",
3264 [(set EFLAGS, (X86cmp (and (loadi32 addr:$src1), imm:$src2),
3266 } // Defs = [EFLAGS]
3269 // Condition code ops, incl. set if equal/not equal/...
3270 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
3271 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
3272 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
3273 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
3275 let Uses = [EFLAGS] in {
3276 // Use sbb to materialize carry bit.
3277 let Defs = [EFLAGS], isCodeGenOnly = 1 in {
3278 // FIXME: These are pseudo ops that should be replaced with Pat<> patterns.
3279 // However, Pat<> can't replicate the destination reg into the inputs of the
3281 // FIXME: Change these to have encoding Pseudo when X86MCCodeEmitter replaces
3283 def SETB_C8r : I<0x18, MRMInitReg, (outs GR8:$dst), (ins), "",
3284 [(set GR8:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>;
3285 def SETB_C16r : I<0x19, MRMInitReg, (outs GR16:$dst), (ins), "",
3286 [(set GR16:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>,
3288 def SETB_C32r : I<0x19, MRMInitReg, (outs GR32:$dst), (ins), "",
3289 [(set GR32:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>;
3292 def SETEr : I<0x94, MRM0r,
3293 (outs GR8 :$dst), (ins),
3295 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
3297 def SETEm : I<0x94, MRM0m,
3298 (outs), (ins i8mem:$dst),
3300 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
3303 def SETNEr : I<0x95, MRM0r,
3304 (outs GR8 :$dst), (ins),
3306 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
3308 def SETNEm : I<0x95, MRM0m,
3309 (outs), (ins i8mem:$dst),
3311 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
3314 def SETLr : I<0x9C, MRM0r,
3315 (outs GR8 :$dst), (ins),
3317 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
3318 TB; // GR8 = < signed
3319 def SETLm : I<0x9C, MRM0m,
3320 (outs), (ins i8mem:$dst),
3322 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
3323 TB; // [mem8] = < signed
3325 def SETGEr : I<0x9D, MRM0r,
3326 (outs GR8 :$dst), (ins),
3328 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
3329 TB; // GR8 = >= signed
3330 def SETGEm : I<0x9D, MRM0m,
3331 (outs), (ins i8mem:$dst),
3333 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
3334 TB; // [mem8] = >= signed
3336 def SETLEr : I<0x9E, MRM0r,
3337 (outs GR8 :$dst), (ins),
3339 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
3340 TB; // GR8 = <= signed
3341 def SETLEm : I<0x9E, MRM0m,
3342 (outs), (ins i8mem:$dst),
3344 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
3345 TB; // [mem8] = <= signed
3347 def SETGr : I<0x9F, MRM0r,
3348 (outs GR8 :$dst), (ins),
3350 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
3351 TB; // GR8 = > signed
3352 def SETGm : I<0x9F, MRM0m,
3353 (outs), (ins i8mem:$dst),
3355 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
3356 TB; // [mem8] = > signed
3358 def SETBr : I<0x92, MRM0r,
3359 (outs GR8 :$dst), (ins),
3361 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
3362 TB; // GR8 = < unsign
3363 def SETBm : I<0x92, MRM0m,
3364 (outs), (ins i8mem:$dst),
3366 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
3367 TB; // [mem8] = < unsign
3369 def SETAEr : I<0x93, MRM0r,
3370 (outs GR8 :$dst), (ins),
3372 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
3373 TB; // GR8 = >= unsign
3374 def SETAEm : I<0x93, MRM0m,
3375 (outs), (ins i8mem:$dst),
3377 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
3378 TB; // [mem8] = >= unsign
3380 def SETBEr : I<0x96, MRM0r,
3381 (outs GR8 :$dst), (ins),
3383 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
3384 TB; // GR8 = <= unsign
3385 def SETBEm : I<0x96, MRM0m,
3386 (outs), (ins i8mem:$dst),
3388 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
3389 TB; // [mem8] = <= unsign
3391 def SETAr : I<0x97, MRM0r,
3392 (outs GR8 :$dst), (ins),
3394 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
3395 TB; // GR8 = > signed
3396 def SETAm : I<0x97, MRM0m,
3397 (outs), (ins i8mem:$dst),
3399 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
3400 TB; // [mem8] = > signed
3402 def SETSr : I<0x98, MRM0r,
3403 (outs GR8 :$dst), (ins),
3405 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
3406 TB; // GR8 = <sign bit>
3407 def SETSm : I<0x98, MRM0m,
3408 (outs), (ins i8mem:$dst),
3410 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
3411 TB; // [mem8] = <sign bit>
3412 def SETNSr : I<0x99, MRM0r,
3413 (outs GR8 :$dst), (ins),
3415 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
3416 TB; // GR8 = !<sign bit>
3417 def SETNSm : I<0x99, MRM0m,
3418 (outs), (ins i8mem:$dst),
3420 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
3421 TB; // [mem8] = !<sign bit>
3423 def SETPr : I<0x9A, MRM0r,
3424 (outs GR8 :$dst), (ins),
3426 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
3428 def SETPm : I<0x9A, MRM0m,
3429 (outs), (ins i8mem:$dst),
3431 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
3432 TB; // [mem8] = parity
3433 def SETNPr : I<0x9B, MRM0r,
3434 (outs GR8 :$dst), (ins),
3436 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
3437 TB; // GR8 = not parity
3438 def SETNPm : I<0x9B, MRM0m,
3439 (outs), (ins i8mem:$dst),
3441 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
3442 TB; // [mem8] = not parity
3444 def SETOr : I<0x90, MRM0r,
3445 (outs GR8 :$dst), (ins),
3447 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
3448 TB; // GR8 = overflow
3449 def SETOm : I<0x90, MRM0m,
3450 (outs), (ins i8mem:$dst),
3452 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
3453 TB; // [mem8] = overflow
3454 def SETNOr : I<0x91, MRM0r,
3455 (outs GR8 :$dst), (ins),
3457 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
3458 TB; // GR8 = not overflow
3459 def SETNOm : I<0x91, MRM0m,
3460 (outs), (ins i8mem:$dst),
3462 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
3463 TB; // [mem8] = not overflow
3464 } // Uses = [EFLAGS]
3467 // Integer comparisons
3468 let Defs = [EFLAGS] in {
3469 def CMP8i8 : Ii8<0x3C, RawFrm, (outs), (ins i8imm:$src),
3470 "cmp{b}\t{$src, %al|%al, $src}", []>;
3471 def CMP16i16 : Ii16<0x3D, RawFrm, (outs), (ins i16imm:$src),
3472 "cmp{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3473 def CMP32i32 : Ii32<0x3D, RawFrm, (outs), (ins i32imm:$src),
3474 "cmp{l}\t{$src, %eax|%eax, $src}", []>;
3476 def CMP8rr : I<0x38, MRMDestReg,
3477 (outs), (ins GR8 :$src1, GR8 :$src2),
3478 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3479 [(set EFLAGS, (X86cmp GR8:$src1, GR8:$src2))]>;
3480 def CMP16rr : I<0x39, MRMDestReg,
3481 (outs), (ins GR16:$src1, GR16:$src2),
3482 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3483 [(set EFLAGS, (X86cmp GR16:$src1, GR16:$src2))]>, OpSize;
3484 def CMP32rr : I<0x39, MRMDestReg,
3485 (outs), (ins GR32:$src1, GR32:$src2),
3486 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3487 [(set EFLAGS, (X86cmp GR32:$src1, GR32:$src2))]>;
3488 def CMP8mr : I<0x38, MRMDestMem,
3489 (outs), (ins i8mem :$src1, GR8 :$src2),
3490 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3491 [(set EFLAGS, (X86cmp (loadi8 addr:$src1), GR8:$src2))]>;
3492 def CMP16mr : I<0x39, MRMDestMem,
3493 (outs), (ins i16mem:$src1, GR16:$src2),
3494 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3495 [(set EFLAGS, (X86cmp (loadi16 addr:$src1), GR16:$src2))]>,
3497 def CMP32mr : I<0x39, MRMDestMem,
3498 (outs), (ins i32mem:$src1, GR32:$src2),
3499 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3500 [(set EFLAGS, (X86cmp (loadi32 addr:$src1), GR32:$src2))]>;
3501 def CMP8rm : I<0x3A, MRMSrcMem,
3502 (outs), (ins GR8 :$src1, i8mem :$src2),
3503 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3504 [(set EFLAGS, (X86cmp GR8:$src1, (loadi8 addr:$src2)))]>;
3505 def CMP16rm : I<0x3B, MRMSrcMem,
3506 (outs), (ins GR16:$src1, i16mem:$src2),
3507 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3508 [(set EFLAGS, (X86cmp GR16:$src1, (loadi16 addr:$src2)))]>,
3510 def CMP32rm : I<0x3B, MRMSrcMem,
3511 (outs), (ins GR32:$src1, i32mem:$src2),
3512 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3513 [(set EFLAGS, (X86cmp GR32:$src1, (loadi32 addr:$src2)))]>;
3515 // These are alternate spellings for use by the disassembler, we mark them as
3516 // code gen only to ensure they aren't matched by the assembler.
3517 let isCodeGenOnly = 1 in {
3518 def CMP8rr_alt : I<0x3A, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
3519 "cmp{b}\t{$src2, $src1|$src1, $src2}", []>;
3520 def CMP16rr_alt : I<0x3B, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
3521 "cmp{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize;
3522 def CMP32rr_alt : I<0x3B, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
3523 "cmp{l}\t{$src2, $src1|$src1, $src2}", []>;
3526 def CMP8ri : Ii8<0x80, MRM7r,
3527 (outs), (ins GR8:$src1, i8imm:$src2),
3528 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3529 [(set EFLAGS, (X86cmp GR8:$src1, imm:$src2))]>;
3530 def CMP16ri : Ii16<0x81, MRM7r,
3531 (outs), (ins GR16:$src1, i16imm:$src2),
3532 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3533 [(set EFLAGS, (X86cmp GR16:$src1, imm:$src2))]>, OpSize;
3534 def CMP32ri : Ii32<0x81, MRM7r,
3535 (outs), (ins GR32:$src1, i32imm:$src2),
3536 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3537 [(set EFLAGS, (X86cmp GR32:$src1, imm:$src2))]>;
3538 def CMP8mi : Ii8 <0x80, MRM7m,
3539 (outs), (ins i8mem :$src1, i8imm :$src2),
3540 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3541 [(set EFLAGS, (X86cmp (loadi8 addr:$src1), imm:$src2))]>;
3542 def CMP16mi : Ii16<0x81, MRM7m,
3543 (outs), (ins i16mem:$src1, i16imm:$src2),
3544 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3545 [(set EFLAGS, (X86cmp (loadi16 addr:$src1), imm:$src2))]>,
3547 def CMP32mi : Ii32<0x81, MRM7m,
3548 (outs), (ins i32mem:$src1, i32imm:$src2),
3549 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3550 [(set EFLAGS, (X86cmp (loadi32 addr:$src1), imm:$src2))]>;
3551 def CMP16ri8 : Ii8<0x83, MRM7r,
3552 (outs), (ins GR16:$src1, i16i8imm:$src2),
3553 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3554 [(set EFLAGS, (X86cmp GR16:$src1, i16immSExt8:$src2))]>,
3556 def CMP16mi8 : Ii8<0x83, MRM7m,
3557 (outs), (ins i16mem:$src1, i16i8imm:$src2),
3558 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3559 [(set EFLAGS, (X86cmp (loadi16 addr:$src1),
3560 i16immSExt8:$src2))]>, OpSize;
3561 def CMP32mi8 : Ii8<0x83, MRM7m,
3562 (outs), (ins i32mem:$src1, i32i8imm:$src2),
3563 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3564 [(set EFLAGS, (X86cmp (loadi32 addr:$src1),
3565 i32immSExt8:$src2))]>;
3566 def CMP32ri8 : Ii8<0x83, MRM7r,
3567 (outs), (ins GR32:$src1, i32i8imm:$src2),
3568 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3569 [(set EFLAGS, (X86cmp GR32:$src1, i32immSExt8:$src2))]>;
3570 } // Defs = [EFLAGS]
3573 // TODO: BTC, BTR, and BTS
3574 let Defs = [EFLAGS] in {
3575 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3576 "bt{w}\t{$src2, $src1|$src1, $src2}",
3577 [(set EFLAGS, (X86bt GR16:$src1, GR16:$src2))]>, OpSize, TB;
3578 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3579 "bt{l}\t{$src2, $src1|$src1, $src2}",
3580 [(set EFLAGS, (X86bt GR32:$src1, GR32:$src2))]>, TB;
3582 // Unlike with the register+register form, the memory+register form of the
3583 // bt instruction does not ignore the high bits of the index. From ISel's
3584 // perspective, this is pretty bizarre. Make these instructions disassembly
3587 def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3588 "bt{w}\t{$src2, $src1|$src1, $src2}",
3589 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
3590 // (implicit EFLAGS)]
3592 >, OpSize, TB, Requires<[FastBTMem]>;
3593 def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3594 "bt{l}\t{$src2, $src1|$src1, $src2}",
3595 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
3596 // (implicit EFLAGS)]
3598 >, TB, Requires<[FastBTMem]>;
3600 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3601 "bt{w}\t{$src2, $src1|$src1, $src2}",
3602 [(set EFLAGS, (X86bt GR16:$src1, i16immSExt8:$src2))]>,
3604 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3605 "bt{l}\t{$src2, $src1|$src1, $src2}",
3606 [(set EFLAGS, (X86bt GR32:$src1, i32immSExt8:$src2))]>, TB;
3607 // Note that these instructions don't need FastBTMem because that
3608 // only applies when the other operand is in a register. When it's
3609 // an immediate, bt is still fast.
3610 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3611 "bt{w}\t{$src2, $src1|$src1, $src2}",
3612 [(set EFLAGS, (X86bt (loadi16 addr:$src1), i16immSExt8:$src2))
3614 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3615 "bt{l}\t{$src2, $src1|$src1, $src2}",
3616 [(set EFLAGS, (X86bt (loadi32 addr:$src1), i32immSExt8:$src2))
3619 def BTC16rr : I<0xBB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3620 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3621 def BTC32rr : I<0xBB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3622 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3623 def BTC16mr : I<0xBB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3624 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3625 def BTC32mr : I<0xBB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3626 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3627 def BTC16ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3628 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3629 def BTC32ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3630 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3631 def BTC16mi8 : Ii8<0xBA, MRM7m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3632 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3633 def BTC32mi8 : Ii8<0xBA, MRM7m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3634 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3636 def BTR16rr : I<0xB3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3637 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3638 def BTR32rr : I<0xB3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3639 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3640 def BTR16mr : I<0xB3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3641 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3642 def BTR32mr : I<0xB3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3643 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3644 def BTR16ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3645 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3646 def BTR32ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3647 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3648 def BTR16mi8 : Ii8<0xBA, MRM6m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3649 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3650 def BTR32mi8 : Ii8<0xBA, MRM6m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3651 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3653 def BTS16rr : I<0xAB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3654 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3655 def BTS32rr : I<0xAB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3656 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3657 def BTS16mr : I<0xAB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3658 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3659 def BTS32mr : I<0xAB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3660 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3661 def BTS16ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3662 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3663 def BTS32ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3664 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3665 def BTS16mi8 : Ii8<0xBA, MRM5m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3666 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3667 def BTS32mi8 : Ii8<0xBA, MRM5m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3668 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3669 } // Defs = [EFLAGS]
3671 // Sign/Zero extenders
3672 // Use movsbl intead of movsbw; we don't care about the high 16 bits
3673 // of the register here. This has a smaller encoding and avoids a
3674 // partial-register update. Actual movsbw included for the disassembler.
3675 def MOVSX16rr8W : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src),
3676 "movs{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3677 def MOVSX16rm8W : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src),
3678 "movs{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3679 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3680 "", [(set GR16:$dst, (sext GR8:$src))]>, TB;
3681 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3682 "", [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
3683 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3684 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3685 [(set GR32:$dst, (sext GR8:$src))]>, TB;
3686 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3687 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3688 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
3689 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3690 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3691 [(set GR32:$dst, (sext GR16:$src))]>, TB;
3692 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3693 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3694 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
3696 // Use movzbl intead of movzbw; we don't care about the high 16 bits
3697 // of the register here. This has a smaller encoding and avoids a
3698 // partial-register update. Actual movzbw included for the disassembler.
3699 def MOVZX16rr8W : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src),
3700 "movz{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3701 def MOVZX16rm8W : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src),
3702 "movz{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3703 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3704 "", [(set GR16:$dst, (zext GR8:$src))]>, TB;
3705 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3706 "", [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
3707 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3708 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3709 [(set GR32:$dst, (zext GR8:$src))]>, TB;
3710 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3711 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3712 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
3713 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3714 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3715 [(set GR32:$dst, (zext GR16:$src))]>, TB;
3716 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3717 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3718 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
3720 // These are the same as the regular MOVZX32rr8 and MOVZX32rm8
3721 // except that they use GR32_NOREX for the output operand register class
3722 // instead of GR32. This allows them to operate on h registers on x86-64.
3723 def MOVZX32_NOREXrr8 : I<0xB6, MRMSrcReg,
3724 (outs GR32_NOREX:$dst), (ins GR8:$src),
3725 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3728 def MOVZX32_NOREXrm8 : I<0xB6, MRMSrcMem,
3729 (outs GR32_NOREX:$dst), (ins i8mem:$src),
3730 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3733 let neverHasSideEffects = 1 in {
3734 let Defs = [AX], Uses = [AL] in
3735 def CBW : I<0x98, RawFrm, (outs), (ins),
3736 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
3737 let Defs = [EAX], Uses = [AX] in
3738 def CWDE : I<0x98, RawFrm, (outs), (ins),
3739 "{cwtl|cwde}", []>; // EAX = signext(AX)
3741 let Defs = [AX,DX], Uses = [AX] in
3742 def CWD : I<0x99, RawFrm, (outs), (ins),
3743 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
3744 let Defs = [EAX,EDX], Uses = [EAX] in
3745 def CDQ : I<0x99, RawFrm, (outs), (ins),
3746 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
3749 //===----------------------------------------------------------------------===//
3750 // Alias Instructions
3751 //===----------------------------------------------------------------------===//
3753 // Alias instructions that map movr0 to xor.
3754 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
3755 // FIXME: Set encoding to pseudo.
3756 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1,
3757 isCodeGenOnly = 1 in {
3758 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins), "",
3759 [(set GR8:$dst, 0)]>;
3761 // We want to rewrite MOV16r0 in terms of MOV32r0, because it's a smaller
3762 // encoding and avoids a partial-register update sometimes, but doing so
3763 // at isel time interferes with rematerialization in the current register
3764 // allocator. For now, this is rewritten when the instruction is lowered
3766 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
3768 [(set GR16:$dst, 0)]>, OpSize;
3770 // FIXME: Set encoding to pseudo.
3771 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins), "",
3772 [(set GR32:$dst, 0)]>;
3775 //===----------------------------------------------------------------------===//
3776 // Thread Local Storage Instructions
3780 // All calls clobber the non-callee saved registers. ESP is marked as
3781 // a use to prevent stack-pointer assignments that appear immediately
3782 // before calls from potentially appearing dead.
3783 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
3784 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
3785 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
3786 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
3788 def TLS_addr32 : I<0, Pseudo, (outs), (ins i32mem:$sym),
3789 "leal\t$sym, %eax; "
3790 "call\t___tls_get_addr@PLT",
3791 [(X86tlsaddr tls32addr:$sym)]>,
3792 Requires<[In32BitMode]>;
3794 // Darwin TLS Support
3795 // For i386, the address of the thunk is passed on the stack, on return the
3796 // address of the variable is in %eax. %ecx is trashed during the function
3797 // call. All other registers are preserved.
3798 let Defs = [EAX, ECX],
3800 usesCustomInserter = 1 in
3801 def TLSCall_32 : I<0, Pseudo, (outs), (ins i32mem:$sym),
3803 [(X86TLSCall addr:$sym)]>,
3804 Requires<[In32BitMode]>;
3806 //===----------------------------------------------------------------------===//
3807 // EH Pseudo Instructions
3809 let isTerminator = 1, isReturn = 1, isBarrier = 1,
3810 hasCtrlDep = 1, isCodeGenOnly = 1 in {
3811 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
3812 "ret\t#eh_return, addr: $addr",
3813 [(X86ehret GR32:$addr)]>;
3817 //===----------------------------------------------------------------------===//
3823 // TODO: Get this to fold the constant into the instruction.
3824 def OR32mrLocked : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$zero),
3826 "or{l}\t{$zero, $dst|$dst, $zero}",
3827 []>, Requires<[In32BitMode]>, LOCK;
3829 let hasSideEffects = 1 in {
3830 def Int_MemBarrier : I<0, Pseudo, (outs), (ins),
3832 [(X86MemBarrier)]>, Requires<[HasSSE2]>;
3835 // Atomic swap. These are just normal xchg instructions. But since a memory
3836 // operand is referenced, the atomicity is ensured.
3837 let Constraints = "$val = $dst" in {
3838 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst),
3839 (ins GR32:$val, i32mem:$ptr),
3840 "xchg{l}\t{$val, $ptr|$ptr, $val}",
3841 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
3842 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst),
3843 (ins GR16:$val, i16mem:$ptr),
3844 "xchg{w}\t{$val, $ptr|$ptr, $val}",
3845 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
3847 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr),
3848 "xchg{b}\t{$val, $ptr|$ptr, $val}",
3849 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
3851 def XCHG32rr : I<0x87, MRMSrcReg, (outs GR32:$dst), (ins GR32:$val, GR32:$src),
3852 "xchg{l}\t{$val, $src|$src, $val}", []>;
3853 def XCHG16rr : I<0x87, MRMSrcReg, (outs GR16:$dst), (ins GR16:$val, GR16:$src),
3854 "xchg{w}\t{$val, $src|$src, $val}", []>, OpSize;
3855 def XCHG8rr : I<0x86, MRMSrcReg, (outs GR8:$dst), (ins GR8:$val, GR8:$src),
3856 "xchg{b}\t{$val, $src|$src, $val}", []>;
3859 def XCHG16ar : I<0x90, AddRegFrm, (outs), (ins GR16:$src),
3860 "xchg{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3861 def XCHG32ar : I<0x90, AddRegFrm, (outs), (ins GR32:$src),
3862 "xchg{l}\t{$src, %eax|%eax, $src}", []>;
3864 // Atomic compare and swap.
3865 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
3866 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
3868 "cmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
3869 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
3871 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
3872 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$ptr),
3875 [(X86cas8 addr:$ptr)]>, TB, LOCK;
3878 let Defs = [AX, EFLAGS], Uses = [AX] in {
3879 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
3881 "cmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
3882 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
3884 let Defs = [AL, EFLAGS], Uses = [AL] in {
3885 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
3887 "cmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
3888 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
3891 // Atomic exchange and add
3892 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
3893 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins GR32:$val, i32mem:$ptr),
3895 "xadd{l}\t{$val, $ptr|$ptr, $val}",
3896 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
3898 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins GR16:$val, i16mem:$ptr),
3900 "xadd{w}\t{$val, $ptr|$ptr, $val}",
3901 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
3903 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr),
3905 "xadd{b}\t{$val, $ptr|$ptr, $val}",
3906 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
3910 def XADD8rr : I<0xC0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
3911 "xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
3912 def XADD16rr : I<0xC1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
3913 "xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3914 def XADD32rr : I<0xC1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
3915 "xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
3917 let mayLoad = 1, mayStore = 1 in {
3918 def XADD8rm : I<0xC0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
3919 "xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
3920 def XADD16rm : I<0xC1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
3921 "xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3922 def XADD32rm : I<0xC1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
3923 "xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
3926 def CMPXCHG8rr : I<0xB0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
3927 "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
3928 def CMPXCHG16rr : I<0xB1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
3929 "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3930 def CMPXCHG32rr : I<0xB1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
3931 "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
3933 let mayLoad = 1, mayStore = 1 in {
3934 def CMPXCHG8rm : I<0xB0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
3935 "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
3936 def CMPXCHG16rm : I<0xB1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
3937 "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3938 def CMPXCHG32rm : I<0xB1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
3939 "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
3942 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in
3943 def CMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$dst),
3944 "cmpxchg8b\t$dst", []>, TB;
3946 // Optimized codegen when the non-memory output is not used.
3947 // FIXME: Use normal add / sub instructions and add lock prefix dynamically.
3948 let Defs = [EFLAGS], mayLoad = 1, mayStore = 1 in {
3949 def LOCK_ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
3951 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3952 def LOCK_ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3954 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3955 def LOCK_ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3957 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3958 def LOCK_ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
3960 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3961 def LOCK_ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
3963 "add{w}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3964 def LOCK_ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
3966 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3967 def LOCK_ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3969 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3970 def LOCK_ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3972 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3974 def LOCK_INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst),
3976 "inc{b}\t$dst", []>, LOCK;
3977 def LOCK_INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst),
3979 "inc{w}\t$dst", []>, OpSize, LOCK;
3980 def LOCK_INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst),
3982 "inc{l}\t$dst", []>, LOCK;
3984 def LOCK_SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
3986 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3987 def LOCK_SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3989 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3990 def LOCK_SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3992 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3993 def LOCK_SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
3995 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3996 def LOCK_SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
3998 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3999 def LOCK_SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
4001 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4002 def LOCK_SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
4004 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4005 def LOCK_SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
4007 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4009 def LOCK_DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst),
4011 "dec{b}\t$dst", []>, LOCK;
4012 def LOCK_DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst),
4014 "dec{w}\t$dst", []>, OpSize, LOCK;
4015 def LOCK_DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst),
4017 "dec{l}\t$dst", []>, LOCK;
4020 // Atomic exchange, and, or, xor
4021 let Constraints = "$val = $dst", Defs = [EFLAGS],
4022 usesCustomInserter = 1 in {
4023 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4024 "#ATOMAND32 PSEUDO!",
4025 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
4026 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4027 "#ATOMOR32 PSEUDO!",
4028 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
4029 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4030 "#ATOMXOR32 PSEUDO!",
4031 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
4032 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4033 "#ATOMNAND32 PSEUDO!",
4034 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
4035 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
4036 "#ATOMMIN32 PSEUDO!",
4037 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
4038 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4039 "#ATOMMAX32 PSEUDO!",
4040 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
4041 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4042 "#ATOMUMIN32 PSEUDO!",
4043 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
4044 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4045 "#ATOMUMAX32 PSEUDO!",
4046 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
4048 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4049 "#ATOMAND16 PSEUDO!",
4050 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
4051 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4052 "#ATOMOR16 PSEUDO!",
4053 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
4054 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4055 "#ATOMXOR16 PSEUDO!",
4056 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
4057 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4058 "#ATOMNAND16 PSEUDO!",
4059 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
4060 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
4061 "#ATOMMIN16 PSEUDO!",
4062 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
4063 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4064 "#ATOMMAX16 PSEUDO!",
4065 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
4066 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4067 "#ATOMUMIN16 PSEUDO!",
4068 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
4069 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4070 "#ATOMUMAX16 PSEUDO!",
4071 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
4073 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4074 "#ATOMAND8 PSEUDO!",
4075 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
4076 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4078 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
4079 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4080 "#ATOMXOR8 PSEUDO!",
4081 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
4082 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4083 "#ATOMNAND8 PSEUDO!",
4084 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
4087 let Constraints = "$val1 = $dst1, $val2 = $dst2",
4088 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
4089 Uses = [EAX, EBX, ECX, EDX],
4090 mayLoad = 1, mayStore = 1,
4091 usesCustomInserter = 1 in {
4092 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4093 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4094 "#ATOMAND6432 PSEUDO!", []>;
4095 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4096 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4097 "#ATOMOR6432 PSEUDO!", []>;
4098 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4099 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4100 "#ATOMXOR6432 PSEUDO!", []>;
4101 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4102 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4103 "#ATOMNAND6432 PSEUDO!", []>;
4104 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4105 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4106 "#ATOMADD6432 PSEUDO!", []>;
4107 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4108 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4109 "#ATOMSUB6432 PSEUDO!", []>;
4110 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4111 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4112 "#ATOMSWAP6432 PSEUDO!", []>;
4115 // Lock instruction prefix
4116 def LOCK_PREFIX : I<0xF0, RawFrm, (outs), (ins), "lock", []>;
4118 // Repeat string operation instruction prefixes
4119 // These uses the DF flag in the EFLAGS register to inc or dec ECX
4120 let Defs = [ECX], Uses = [ECX,EFLAGS] in {
4121 // Repeat (used with INS, OUTS, MOVS, LODS and STOS)
4122 def REP_PREFIX : I<0xF3, RawFrm, (outs), (ins), "rep", []>;
4123 // Repeat while not equal (used with CMPS and SCAS)
4124 def REPNE_PREFIX : I<0xF2, RawFrm, (outs), (ins), "repne", []>;
4128 // String manipulation instructions
4130 def LODSB : I<0xAC, RawFrm, (outs), (ins), "lodsb", []>;
4131 def LODSW : I<0xAD, RawFrm, (outs), (ins), "lodsw", []>, OpSize;
4132 def LODSD : I<0xAD, RawFrm, (outs), (ins), "lods{l|d}", []>;
4134 def OUTSB : I<0x6E, RawFrm, (outs), (ins), "outsb", []>;
4135 def OUTSW : I<0x6F, RawFrm, (outs), (ins), "outsw", []>, OpSize;
4136 def OUTSD : I<0x6F, RawFrm, (outs), (ins), "outs{l|d}", []>;
4139 // Flag instructions
4140 def CLC : I<0xF8, RawFrm, (outs), (ins), "clc", []>;
4141 def STC : I<0xF9, RawFrm, (outs), (ins), "stc", []>;
4142 def CLI : I<0xFA, RawFrm, (outs), (ins), "cli", []>;
4143 def STI : I<0xFB, RawFrm, (outs), (ins), "sti", []>;
4144 def CLD : I<0xFC, RawFrm, (outs), (ins), "cld", []>;
4145 def STD : I<0xFD, RawFrm, (outs), (ins), "std", []>;
4146 def CMC : I<0xF5, RawFrm, (outs), (ins), "cmc", []>;
4148 def CLTS : I<0x06, RawFrm, (outs), (ins), "clts", []>, TB;
4150 // Table lookup instructions
4151 def XLAT : I<0xD7, RawFrm, (outs), (ins), "xlatb", []>;
4153 //===----------------------------------------------------------------------===//
4157 def INVEPT : I<0x80, RawFrm, (outs), (ins), "invept", []>, OpSize, T8;
4159 def INVVPID : I<0x81, RawFrm, (outs), (ins), "invvpid", []>, OpSize, T8;
4161 def VMCALL : I<0x01, MRM_C1, (outs), (ins), "vmcall", []>, TB;
4162 def VMCLEARm : I<0xC7, MRM6m, (outs), (ins i64mem:$vmcs),
4163 "vmclear\t$vmcs", []>, OpSize, TB;
4165 def VMLAUNCH : I<0x01, MRM_C2, (outs), (ins), "vmlaunch", []>, TB;
4167 def VMRESUME : I<0x01, MRM_C3, (outs), (ins), "vmresume", []>, TB;
4168 def VMPTRLDm : I<0xC7, MRM6m, (outs), (ins i64mem:$vmcs),
4169 "vmptrld\t$vmcs", []>, TB;
4170 def VMPTRSTm : I<0xC7, MRM7m, (outs i64mem:$vmcs), (ins),
4171 "vmptrst\t$vmcs", []>, TB;
4172 def VMREAD64rm : I<0x78, MRMDestMem, (outs i64mem:$dst), (ins GR64:$src),
4173 "vmread{q}\t{$src, $dst|$dst, $src}", []>, TB;
4174 def VMREAD64rr : I<0x78, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
4175 "vmread{q}\t{$src, $dst|$dst, $src}", []>, TB;
4176 def VMREAD32rm : I<0x78, MRMDestMem, (outs i32mem:$dst), (ins GR32:$src),
4177 "vmread{l}\t{$src, $dst|$dst, $src}", []>, TB;
4178 def VMREAD32rr : I<0x78, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
4179 "vmread{l}\t{$src, $dst|$dst, $src}", []>, TB;
4180 def VMWRITE64rm : I<0x79, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
4181 "vmwrite{q}\t{$src, $dst|$dst, $src}", []>, TB;
4182 def VMWRITE64rr : I<0x79, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
4183 "vmwrite{q}\t{$src, $dst|$dst, $src}", []>, TB;
4184 def VMWRITE32rm : I<0x79, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
4185 "vmwrite{l}\t{$src, $dst|$dst, $src}", []>, TB;
4186 def VMWRITE32rr : I<0x79, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4187 "vmwrite{l}\t{$src, $dst|$dst, $src}", []>, TB;
4189 def VMXOFF : I<0x01, MRM_C4, (outs), (ins), "vmxoff", []>, TB;
4190 def VMXON : I<0xC7, MRM6m, (outs), (ins i64mem:$vmxon),
4191 "vmxon\t{$vmxon}", []>, XS;
4193 //===----------------------------------------------------------------------===//
4194 // Non-Instruction Patterns
4195 //===----------------------------------------------------------------------===//
4197 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
4198 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
4199 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
4200 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
4201 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
4202 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
4203 def : Pat<(i32 (X86Wrapper tblockaddress:$dst)), (MOV32ri tblockaddress:$dst)>;
4205 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
4206 (ADD32ri GR32:$src1, tconstpool:$src2)>;
4207 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
4208 (ADD32ri GR32:$src1, tjumptable:$src2)>;
4209 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
4210 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
4211 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
4212 (ADD32ri GR32:$src1, texternalsym:$src2)>;
4213 def : Pat<(add GR32:$src1, (X86Wrapper tblockaddress:$src2)),
4214 (ADD32ri GR32:$src1, tblockaddress:$src2)>;
4216 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
4217 (MOV32mi addr:$dst, tglobaladdr:$src)>;
4218 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
4219 (MOV32mi addr:$dst, texternalsym:$src)>;
4220 def : Pat<(store (i32 (X86Wrapper tblockaddress:$src)), addr:$dst),
4221 (MOV32mi addr:$dst, tblockaddress:$src)>;
4225 def : Pat<(X86tcret GR32_TC:$dst, imm:$off),
4226 (TCRETURNri GR32_TC:$dst, imm:$off)>,
4227 Requires<[In32BitMode]>;
4229 // FIXME: This is disabled for 32-bit PIC mode because the global base
4230 // register which is part of the address mode may be assigned a
4231 // callee-saved register.
4232 def : Pat<(X86tcret (load addr:$dst), imm:$off),
4233 (TCRETURNmi addr:$dst, imm:$off)>,
4234 Requires<[In32BitMode, IsNotPIC]>;
4236 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
4237 (TCRETURNdi texternalsym:$dst, imm:$off)>,
4238 Requires<[In32BitMode]>;
4240 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
4241 (TCRETURNdi texternalsym:$dst, imm:$off)>,
4242 Requires<[In32BitMode]>;
4244 // Normal calls, with various flavors of addresses.
4245 def : Pat<(X86call (i32 tglobaladdr:$dst)),
4246 (CALLpcrel32 tglobaladdr:$dst)>;
4247 def : Pat<(X86call (i32 texternalsym:$dst)),
4248 (CALLpcrel32 texternalsym:$dst)>;
4249 def : Pat<(X86call (i32 imm:$dst)),
4250 (CALLpcrel32 imm:$dst)>, Requires<[CallImmAddr]>;
4252 // X86 specific add which produces a flag.
4253 def : Pat<(addc GR32:$src1, GR32:$src2),
4254 (ADD32rr GR32:$src1, GR32:$src2)>;
4255 def : Pat<(addc GR32:$src1, (load addr:$src2)),
4256 (ADD32rm GR32:$src1, addr:$src2)>;
4257 def : Pat<(addc GR32:$src1, imm:$src2),
4258 (ADD32ri GR32:$src1, imm:$src2)>;
4259 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
4260 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4262 def : Pat<(subc GR32:$src1, GR32:$src2),
4263 (SUB32rr GR32:$src1, GR32:$src2)>;
4264 def : Pat<(subc GR32:$src1, (load addr:$src2)),
4265 (SUB32rm GR32:$src1, addr:$src2)>;
4266 def : Pat<(subc GR32:$src1, imm:$src2),
4267 (SUB32ri GR32:$src1, imm:$src2)>;
4268 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
4269 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4273 // TEST R,R is smaller than CMP R,0
4274 def : Pat<(X86cmp GR8:$src1, 0),
4275 (TEST8rr GR8:$src1, GR8:$src1)>;
4276 def : Pat<(X86cmp GR16:$src1, 0),
4277 (TEST16rr GR16:$src1, GR16:$src1)>;
4278 def : Pat<(X86cmp GR32:$src1, 0),
4279 (TEST32rr GR32:$src1, GR32:$src1)>;
4281 // Conditional moves with folded loads with operands swapped and conditions
4283 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_B, EFLAGS),
4284 (CMOVAE16rm GR16:$src2, addr:$src1)>;
4285 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_B, EFLAGS),
4286 (CMOVAE32rm GR32:$src2, addr:$src1)>;
4287 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_AE, EFLAGS),
4288 (CMOVB16rm GR16:$src2, addr:$src1)>;
4289 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_AE, EFLAGS),
4290 (CMOVB32rm GR32:$src2, addr:$src1)>;
4291 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_E, EFLAGS),
4292 (CMOVNE16rm GR16:$src2, addr:$src1)>;
4293 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_E, EFLAGS),
4294 (CMOVNE32rm GR32:$src2, addr:$src1)>;
4295 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NE, EFLAGS),
4296 (CMOVE16rm GR16:$src2, addr:$src1)>;
4297 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NE, EFLAGS),
4298 (CMOVE32rm GR32:$src2, addr:$src1)>;
4299 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_BE, EFLAGS),
4300 (CMOVA16rm GR16:$src2, addr:$src1)>;
4301 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_BE, EFLAGS),
4302 (CMOVA32rm GR32:$src2, addr:$src1)>;
4303 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_A, EFLAGS),
4304 (CMOVBE16rm GR16:$src2, addr:$src1)>;
4305 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_A, EFLAGS),
4306 (CMOVBE32rm GR32:$src2, addr:$src1)>;
4307 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_L, EFLAGS),
4308 (CMOVGE16rm GR16:$src2, addr:$src1)>;
4309 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_L, EFLAGS),
4310 (CMOVGE32rm GR32:$src2, addr:$src1)>;
4311 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_GE, EFLAGS),
4312 (CMOVL16rm GR16:$src2, addr:$src1)>;
4313 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_GE, EFLAGS),
4314 (CMOVL32rm GR32:$src2, addr:$src1)>;
4315 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_LE, EFLAGS),
4316 (CMOVG16rm GR16:$src2, addr:$src1)>;
4317 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_LE, EFLAGS),
4318 (CMOVG32rm GR32:$src2, addr:$src1)>;
4319 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_G, EFLAGS),
4320 (CMOVLE16rm GR16:$src2, addr:$src1)>;
4321 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_G, EFLAGS),
4322 (CMOVLE32rm GR32:$src2, addr:$src1)>;
4323 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_P, EFLAGS),
4324 (CMOVNP16rm GR16:$src2, addr:$src1)>;
4325 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_P, EFLAGS),
4326 (CMOVNP32rm GR32:$src2, addr:$src1)>;
4327 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NP, EFLAGS),
4328 (CMOVP16rm GR16:$src2, addr:$src1)>;
4329 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NP, EFLAGS),
4330 (CMOVP32rm GR32:$src2, addr:$src1)>;
4331 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_S, EFLAGS),
4332 (CMOVNS16rm GR16:$src2, addr:$src1)>;
4333 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_S, EFLAGS),
4334 (CMOVNS32rm GR32:$src2, addr:$src1)>;
4335 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NS, EFLAGS),
4336 (CMOVS16rm GR16:$src2, addr:$src1)>;
4337 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NS, EFLAGS),
4338 (CMOVS32rm GR32:$src2, addr:$src1)>;
4339 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_O, EFLAGS),
4340 (CMOVNO16rm GR16:$src2, addr:$src1)>;
4341 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_O, EFLAGS),
4342 (CMOVNO32rm GR32:$src2, addr:$src1)>;
4343 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NO, EFLAGS),
4344 (CMOVO16rm GR16:$src2, addr:$src1)>;
4345 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NO, EFLAGS),
4346 (CMOVO32rm GR32:$src2, addr:$src1)>;
4348 // zextload bool -> zextload byte
4349 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
4350 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
4351 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
4353 // extload bool -> extload byte
4354 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
4355 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
4356 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
4357 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>;
4358 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
4359 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
4361 // anyext. Define these to do an explicit zero-extend to
4362 // avoid partial-register updates.
4363 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>;
4364 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>;
4366 // Except for i16 -> i32 since isel expect i16 ops to be promoted to i32.
4367 def : Pat<(i32 (anyext GR16:$src)),
4368 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR16:$src, sub_16bit)>;
4371 //===----------------------------------------------------------------------===//
4373 //===----------------------------------------------------------------------===//
4375 // Odd encoding trick: -128 fits into an 8-bit immediate field while
4376 // +128 doesn't, so in this special case use a sub instead of an add.
4377 def : Pat<(add GR16:$src1, 128),
4378 (SUB16ri8 GR16:$src1, -128)>;
4379 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
4380 (SUB16mi8 addr:$dst, -128)>;
4381 def : Pat<(add GR32:$src1, 128),
4382 (SUB32ri8 GR32:$src1, -128)>;
4383 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
4384 (SUB32mi8 addr:$dst, -128)>;
4386 // r & (2^16-1) ==> movz
4387 def : Pat<(and GR32:$src1, 0xffff),
4388 (MOVZX32rr16 (EXTRACT_SUBREG GR32:$src1, sub_16bit))>;
4389 // r & (2^8-1) ==> movz
4390 def : Pat<(and GR32:$src1, 0xff),
4391 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src1,
4394 Requires<[In32BitMode]>;
4395 // r & (2^8-1) ==> movz
4396 def : Pat<(and GR16:$src1, 0xff),
4397 (MOVZX16rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src1,
4400 Requires<[In32BitMode]>;
4402 // sext_inreg patterns
4403 def : Pat<(sext_inreg GR32:$src, i16),
4404 (MOVSX32rr16 (EXTRACT_SUBREG GR32:$src, sub_16bit))>;
4405 def : Pat<(sext_inreg GR32:$src, i8),
4406 (MOVSX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4409 Requires<[In32BitMode]>;
4410 def : Pat<(sext_inreg GR16:$src, i8),
4411 (MOVSX16rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4414 Requires<[In32BitMode]>;
4417 def : Pat<(i16 (trunc GR32:$src)),
4418 (EXTRACT_SUBREG GR32:$src, sub_16bit)>;
4419 def : Pat<(i8 (trunc GR32:$src)),
4420 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src, GR32_ABCD)),
4422 Requires<[In32BitMode]>;
4423 def : Pat<(i8 (trunc GR16:$src)),
4424 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4426 Requires<[In32BitMode]>;
4428 // h-register tricks
4429 def : Pat<(i8 (trunc (srl_su GR16:$src, (i8 8)))),
4430 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4432 Requires<[In32BitMode]>;
4433 def : Pat<(i8 (trunc (srl_su GR32:$src, (i8 8)))),
4434 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src, GR32_ABCD)),
4436 Requires<[In32BitMode]>;
4437 def : Pat<(srl GR16:$src, (i8 8)),
4440 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4443 Requires<[In32BitMode]>;
4444 def : Pat<(i32 (zext (srl_su GR16:$src, (i8 8)))),
4445 (MOVZX32rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4448 Requires<[In32BitMode]>;
4449 def : Pat<(i32 (anyext (srl_su GR16:$src, (i8 8)))),
4450 (MOVZX32rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4453 Requires<[In32BitMode]>;
4454 def : Pat<(and (srl_su GR32:$src, (i8 8)), (i32 255)),
4455 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4458 Requires<[In32BitMode]>;
4459 def : Pat<(srl (and_su GR32:$src, 0xff00), (i8 8)),
4460 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4463 Requires<[In32BitMode]>;
4465 // (shl x, 1) ==> (add x, x)
4466 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
4467 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
4468 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
4470 // (shl x (and y, 31)) ==> (shl x, y)
4471 def : Pat<(shl GR8:$src1, (and CL, 31)),
4472 (SHL8rCL GR8:$src1)>;
4473 def : Pat<(shl GR16:$src1, (and CL, 31)),
4474 (SHL16rCL GR16:$src1)>;
4475 def : Pat<(shl GR32:$src1, (and CL, 31)),
4476 (SHL32rCL GR32:$src1)>;
4477 def : Pat<(store (shl (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4478 (SHL8mCL addr:$dst)>;
4479 def : Pat<(store (shl (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4480 (SHL16mCL addr:$dst)>;
4481 def : Pat<(store (shl (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4482 (SHL32mCL addr:$dst)>;
4484 def : Pat<(srl GR8:$src1, (and CL, 31)),
4485 (SHR8rCL GR8:$src1)>;
4486 def : Pat<(srl GR16:$src1, (and CL, 31)),
4487 (SHR16rCL GR16:$src1)>;
4488 def : Pat<(srl GR32:$src1, (and CL, 31)),
4489 (SHR32rCL GR32:$src1)>;
4490 def : Pat<(store (srl (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4491 (SHR8mCL addr:$dst)>;
4492 def : Pat<(store (srl (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4493 (SHR16mCL addr:$dst)>;
4494 def : Pat<(store (srl (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4495 (SHR32mCL addr:$dst)>;
4497 def : Pat<(sra GR8:$src1, (and CL, 31)),
4498 (SAR8rCL GR8:$src1)>;
4499 def : Pat<(sra GR16:$src1, (and CL, 31)),
4500 (SAR16rCL GR16:$src1)>;
4501 def : Pat<(sra GR32:$src1, (and CL, 31)),
4502 (SAR32rCL GR32:$src1)>;
4503 def : Pat<(store (sra (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4504 (SAR8mCL addr:$dst)>;
4505 def : Pat<(store (sra (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4506 (SAR16mCL addr:$dst)>;
4507 def : Pat<(store (sra (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4508 (SAR32mCL addr:$dst)>;
4510 // (anyext (setcc_carry)) -> (setcc_carry)
4511 def : Pat<(i16 (anyext (i8 (X86setcc_c X86_COND_B, EFLAGS)))),
4513 def : Pat<(i32 (anyext (i8 (X86setcc_c X86_COND_B, EFLAGS)))),
4515 def : Pat<(i32 (anyext (i16 (X86setcc_c X86_COND_B, EFLAGS)))),
4518 // (or x1, x2) -> (add x1, x2) if two operands are known not to share bits.
4519 let AddedComplexity = 5 in { // Try this before the selecting to OR
4520 def : Pat<(or_is_add GR16:$src1, imm:$src2),
4521 (ADD16ri GR16:$src1, imm:$src2)>;
4522 def : Pat<(or_is_add GR32:$src1, imm:$src2),
4523 (ADD32ri GR32:$src1, imm:$src2)>;
4524 def : Pat<(or_is_add GR16:$src1, i16immSExt8:$src2),
4525 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4526 def : Pat<(or_is_add GR32:$src1, i32immSExt8:$src2),
4527 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4528 def : Pat<(or_is_add GR16:$src1, GR16:$src2),
4529 (ADD16rr GR16:$src1, GR16:$src2)>;
4530 def : Pat<(or_is_add GR32:$src1, GR32:$src2),
4531 (ADD32rr GR32:$src1, GR32:$src2)>;
4532 } // AddedComplexity
4534 //===----------------------------------------------------------------------===//
4535 // EFLAGS-defining Patterns
4536 //===----------------------------------------------------------------------===//
4539 def : Pat<(add GR8 :$src1, GR8 :$src2), (ADD8rr GR8 :$src1, GR8 :$src2)>;
4540 def : Pat<(add GR16:$src1, GR16:$src2), (ADD16rr GR16:$src1, GR16:$src2)>;
4541 def : Pat<(add GR32:$src1, GR32:$src2), (ADD32rr GR32:$src1, GR32:$src2)>;
4544 def : Pat<(add GR8:$src1, (loadi8 addr:$src2)),
4545 (ADD8rm GR8:$src1, addr:$src2)>;
4546 def : Pat<(add GR16:$src1, (loadi16 addr:$src2)),
4547 (ADD16rm GR16:$src1, addr:$src2)>;
4548 def : Pat<(add GR32:$src1, (loadi32 addr:$src2)),
4549 (ADD32rm GR32:$src1, addr:$src2)>;
4552 def : Pat<(add GR8 :$src1, imm:$src2), (ADD8ri GR8:$src1 , imm:$src2)>;
4553 def : Pat<(add GR16:$src1, imm:$src2), (ADD16ri GR16:$src1, imm:$src2)>;
4554 def : Pat<(add GR32:$src1, imm:$src2), (ADD32ri GR32:$src1, imm:$src2)>;
4555 def : Pat<(add GR16:$src1, i16immSExt8:$src2),
4556 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4557 def : Pat<(add GR32:$src1, i32immSExt8:$src2),
4558 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4561 def : Pat<(sub GR8 :$src1, GR8 :$src2), (SUB8rr GR8 :$src1, GR8 :$src2)>;
4562 def : Pat<(sub GR16:$src1, GR16:$src2), (SUB16rr GR16:$src1, GR16:$src2)>;
4563 def : Pat<(sub GR32:$src1, GR32:$src2), (SUB32rr GR32:$src1, GR32:$src2)>;
4566 def : Pat<(sub GR8:$src1, (loadi8 addr:$src2)),
4567 (SUB8rm GR8:$src1, addr:$src2)>;
4568 def : Pat<(sub GR16:$src1, (loadi16 addr:$src2)),
4569 (SUB16rm GR16:$src1, addr:$src2)>;
4570 def : Pat<(sub GR32:$src1, (loadi32 addr:$src2)),
4571 (SUB32rm GR32:$src1, addr:$src2)>;
4574 def : Pat<(sub GR8:$src1, imm:$src2),
4575 (SUB8ri GR8:$src1, imm:$src2)>;
4576 def : Pat<(sub GR16:$src1, imm:$src2),
4577 (SUB16ri GR16:$src1, imm:$src2)>;
4578 def : Pat<(sub GR32:$src1, imm:$src2),
4579 (SUB32ri GR32:$src1, imm:$src2)>;
4580 def : Pat<(sub GR16:$src1, i16immSExt8:$src2),
4581 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
4582 def : Pat<(sub GR32:$src1, i32immSExt8:$src2),
4583 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4586 def : Pat<(mul GR16:$src1, GR16:$src2),
4587 (IMUL16rr GR16:$src1, GR16:$src2)>;
4588 def : Pat<(mul GR32:$src1, GR32:$src2),
4589 (IMUL32rr GR32:$src1, GR32:$src2)>;
4592 def : Pat<(mul GR16:$src1, (loadi16 addr:$src2)),
4593 (IMUL16rm GR16:$src1, addr:$src2)>;
4594 def : Pat<(mul GR32:$src1, (loadi32 addr:$src2)),
4595 (IMUL32rm GR32:$src1, addr:$src2)>;
4598 def : Pat<(mul GR16:$src1, imm:$src2),
4599 (IMUL16rri GR16:$src1, imm:$src2)>;
4600 def : Pat<(mul GR32:$src1, imm:$src2),
4601 (IMUL32rri GR32:$src1, imm:$src2)>;
4602 def : Pat<(mul GR16:$src1, i16immSExt8:$src2),
4603 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
4604 def : Pat<(mul GR32:$src1, i32immSExt8:$src2),
4605 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
4607 // reg = mul mem, imm
4608 def : Pat<(mul (loadi16 addr:$src1), imm:$src2),
4609 (IMUL16rmi addr:$src1, imm:$src2)>;
4610 def : Pat<(mul (loadi32 addr:$src1), imm:$src2),
4611 (IMUL32rmi addr:$src1, imm:$src2)>;
4612 def : Pat<(mul (loadi16 addr:$src1), i16immSExt8:$src2),
4613 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
4614 def : Pat<(mul (loadi32 addr:$src1), i32immSExt8:$src2),
4615 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
4617 // Optimize multiply by 2 with EFLAGS result.
4618 let AddedComplexity = 2 in {
4619 def : Pat<(X86smul_flag GR16:$src1, 2), (ADD16rr GR16:$src1, GR16:$src1)>;
4620 def : Pat<(X86smul_flag GR32:$src1, 2), (ADD32rr GR32:$src1, GR32:$src1)>;
4623 // Patterns for nodes that do not produce flags, for instructions that do.
4626 def : Pat<(add GR8:$src1 , 1), (INC8r GR8:$src1)>;
4627 def : Pat<(add GR16:$src1, 1), (INC16r GR16:$src1)>, Requires<[In32BitMode]>;
4628 def : Pat<(add GR32:$src1, 1), (INC32r GR32:$src1)>, Requires<[In32BitMode]>;
4631 def : Pat<(add GR8:$src1 , -1), (DEC8r GR8:$src1)>;
4632 def : Pat<(add GR16:$src1, -1), (DEC16r GR16:$src1)>, Requires<[In32BitMode]>;
4633 def : Pat<(add GR32:$src1, -1), (DEC32r GR32:$src1)>, Requires<[In32BitMode]>;
4636 def : Pat<(or GR8 :$src1, GR8 :$src2), (OR8rr GR8 :$src1, GR8 :$src2)>;
4637 def : Pat<(or GR16:$src1, GR16:$src2), (OR16rr GR16:$src1, GR16:$src2)>;
4638 def : Pat<(or GR32:$src1, GR32:$src2), (OR32rr GR32:$src1, GR32:$src2)>;
4641 def : Pat<(or GR8:$src1, (loadi8 addr:$src2)),
4642 (OR8rm GR8:$src1, addr:$src2)>;
4643 def : Pat<(or GR16:$src1, (loadi16 addr:$src2)),
4644 (OR16rm GR16:$src1, addr:$src2)>;
4645 def : Pat<(or GR32:$src1, (loadi32 addr:$src2)),
4646 (OR32rm GR32:$src1, addr:$src2)>;
4649 def : Pat<(or GR8:$src1 , imm:$src2), (OR8ri GR8 :$src1, imm:$src2)>;
4650 def : Pat<(or GR16:$src1, imm:$src2), (OR16ri GR16:$src1, imm:$src2)>;
4651 def : Pat<(or GR32:$src1, imm:$src2), (OR32ri GR32:$src1, imm:$src2)>;
4652 def : Pat<(or GR16:$src1, i16immSExt8:$src2),
4653 (OR16ri8 GR16:$src1, i16immSExt8:$src2)>;
4654 def : Pat<(or GR32:$src1, i32immSExt8:$src2),
4655 (OR32ri8 GR32:$src1, i32immSExt8:$src2)>;
4658 def : Pat<(xor GR8 :$src1, GR8 :$src2), (XOR8rr GR8 :$src1, GR8 :$src2)>;
4659 def : Pat<(xor GR16:$src1, GR16:$src2), (XOR16rr GR16:$src1, GR16:$src2)>;
4660 def : Pat<(xor GR32:$src1, GR32:$src2), (XOR32rr GR32:$src1, GR32:$src2)>;
4663 def : Pat<(xor GR8:$src1, (loadi8 addr:$src2)),
4664 (XOR8rm GR8:$src1, addr:$src2)>;
4665 def : Pat<(xor GR16:$src1, (loadi16 addr:$src2)),
4666 (XOR16rm GR16:$src1, addr:$src2)>;
4667 def : Pat<(xor GR32:$src1, (loadi32 addr:$src2)),
4668 (XOR32rm GR32:$src1, addr:$src2)>;
4671 def : Pat<(xor GR8:$src1, imm:$src2),
4672 (XOR8ri GR8:$src1, imm:$src2)>;
4673 def : Pat<(xor GR16:$src1, imm:$src2),
4674 (XOR16ri GR16:$src1, imm:$src2)>;
4675 def : Pat<(xor GR32:$src1, imm:$src2),
4676 (XOR32ri GR32:$src1, imm:$src2)>;
4677 def : Pat<(xor GR16:$src1, i16immSExt8:$src2),
4678 (XOR16ri8 GR16:$src1, i16immSExt8:$src2)>;
4679 def : Pat<(xor GR32:$src1, i32immSExt8:$src2),
4680 (XOR32ri8 GR32:$src1, i32immSExt8:$src2)>;
4683 def : Pat<(and GR8 :$src1, GR8 :$src2), (AND8rr GR8 :$src1, GR8 :$src2)>;
4684 def : Pat<(and GR16:$src1, GR16:$src2), (AND16rr GR16:$src1, GR16:$src2)>;
4685 def : Pat<(and GR32:$src1, GR32:$src2), (AND32rr GR32:$src1, GR32:$src2)>;
4688 def : Pat<(and GR8:$src1, (loadi8 addr:$src2)),
4689 (AND8rm GR8:$src1, addr:$src2)>;
4690 def : Pat<(and GR16:$src1, (loadi16 addr:$src2)),
4691 (AND16rm GR16:$src1, addr:$src2)>;
4692 def : Pat<(and GR32:$src1, (loadi32 addr:$src2)),
4693 (AND32rm GR32:$src1, addr:$src2)>;
4696 def : Pat<(and GR8:$src1, imm:$src2),
4697 (AND8ri GR8:$src1, imm:$src2)>;
4698 def : Pat<(and GR16:$src1, imm:$src2),
4699 (AND16ri GR16:$src1, imm:$src2)>;
4700 def : Pat<(and GR32:$src1, imm:$src2),
4701 (AND32ri GR32:$src1, imm:$src2)>;
4702 def : Pat<(and GR16:$src1, i16immSExt8:$src2),
4703 (AND16ri8 GR16:$src1, i16immSExt8:$src2)>;
4704 def : Pat<(and GR32:$src1, i32immSExt8:$src2),
4705 (AND32ri8 GR32:$src1, i32immSExt8:$src2)>;
4707 //===----------------------------------------------------------------------===//
4709 //===----------------------------------------------------------------------===//
4711 // Floating Point Stack Support
4712 include "X86InstrFPStack.td"
4715 include "X86Instr64bit.td"
4717 // SIMD support (SSE, MMX and AVX)
4718 include "X86InstrFragmentsSIMD.td"
4720 // FMA - Fused Multiply-Add support (requires FMA)
4721 include "X86InstrFMA.td"
4723 // SSE, MMX and 3DNow! vector support.
4724 include "X86InstrSSE.td"
4725 include "X86InstrMMX.td"
4726 include "X86Instr3DNow.td"
4728 // System instructions.
4729 include "X86InstrSystem.td"