1 //===- X86InstrInfo.td - Describe the X86 Instruction Set --*- 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<0, 2, [SDTCisSameAs<0, 1>]>;
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<1, 1,
33 def SDTBinaryArithWithFlags : SDTypeProfile<1, 2,
37 def SDTX86BrCond : SDTypeProfile<0, 3,
38 [SDTCisVT<0, OtherVT>,
39 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
41 def SDTX86SetCC : SDTypeProfile<1, 2,
43 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
45 def SDTX86cas : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisInt<1>,
47 def SDTX86cas8 : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
49 def SDTX86atomicBinary : SDTypeProfile<2, 3, [SDTCisInt<0>, SDTCisInt<1>,
50 SDTCisPtrTy<2>, SDTCisInt<3>,SDTCisInt<4>]>;
51 def SDTX86Ret : SDTypeProfile<0, -1, [SDTCisVT<0, i16>]>;
53 def SDT_X86CallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
54 def SDT_X86CallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>,
57 def SDT_X86Call : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>;
59 def SDT_X86VASTART_SAVE_XMM_REGS : SDTypeProfile<0, -1, [SDTCisVT<0, i8>,
63 def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
65 def SDTX86RdTsc : SDTypeProfile<0, 0, []>;
67 def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
69 def SDT_X86TLSADDR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
71 def SDT_X86SegmentBaseAddress : SDTypeProfile<1, 1, [SDTCisPtrTy<0>]>;
73 def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
75 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
77 def X86bsf : SDNode<"X86ISD::BSF", SDTIntUnaryOp>;
78 def X86bsr : SDNode<"X86ISD::BSR", SDTIntUnaryOp>;
79 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
80 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
82 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
84 def X86bt : SDNode<"X86ISD::BT", SDTX86CmpTest>;
86 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
87 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
89 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
91 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
92 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
94 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86cas8,
95 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
97 def X86AtomAdd64 : SDNode<"X86ISD::ATOMADD64_DAG", SDTX86atomicBinary,
98 [SDNPHasChain, SDNPMayStore,
99 SDNPMayLoad, SDNPMemOperand]>;
100 def X86AtomSub64 : SDNode<"X86ISD::ATOMSUB64_DAG", SDTX86atomicBinary,
101 [SDNPHasChain, SDNPMayStore,
102 SDNPMayLoad, SDNPMemOperand]>;
103 def X86AtomOr64 : SDNode<"X86ISD::ATOMOR64_DAG", SDTX86atomicBinary,
104 [SDNPHasChain, SDNPMayStore,
105 SDNPMayLoad, SDNPMemOperand]>;
106 def X86AtomXor64 : SDNode<"X86ISD::ATOMXOR64_DAG", SDTX86atomicBinary,
107 [SDNPHasChain, SDNPMayStore,
108 SDNPMayLoad, SDNPMemOperand]>;
109 def X86AtomAnd64 : SDNode<"X86ISD::ATOMAND64_DAG", SDTX86atomicBinary,
110 [SDNPHasChain, SDNPMayStore,
111 SDNPMayLoad, SDNPMemOperand]>;
112 def X86AtomNand64 : SDNode<"X86ISD::ATOMNAND64_DAG", SDTX86atomicBinary,
113 [SDNPHasChain, SDNPMayStore,
114 SDNPMayLoad, SDNPMemOperand]>;
115 def X86AtomSwap64 : SDNode<"X86ISD::ATOMSWAP64_DAG", SDTX86atomicBinary,
116 [SDNPHasChain, SDNPMayStore,
117 SDNPMayLoad, SDNPMemOperand]>;
118 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
119 [SDNPHasChain, SDNPOptInFlag]>;
121 def X86vastart_save_xmm_regs :
122 SDNode<"X86ISD::VASTART_SAVE_XMM_REGS",
123 SDT_X86VASTART_SAVE_XMM_REGS,
126 def X86callseq_start :
127 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
128 [SDNPHasChain, SDNPOutFlag]>;
130 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
131 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
133 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
134 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
136 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
137 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore]>;
138 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
139 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
142 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG",SDTX86RdTsc,
143 [SDNPHasChain, SDNPOutFlag, SDNPSideEffect]>;
145 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
146 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
148 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
149 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
150 def X86SegmentBaseAddress : SDNode<"X86ISD::SegmentBaseAddress",
151 SDT_X86SegmentBaseAddress, []>;
153 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
156 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
157 [SDNPHasChain, SDNPOptInFlag]>;
159 def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags>;
160 def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
161 def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags>;
162 def X86umul_flag : SDNode<"X86ISD::UMUL", SDTUnaryArithWithFlags>;
163 def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>;
164 def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>;
166 def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
168 //===----------------------------------------------------------------------===//
169 // X86 Operand Definitions.
172 def i32imm_pcrel : Operand<i32> {
173 let PrintMethod = "print_pcrel_imm";
176 // A version of ptr_rc which excludes SP, ESP, and RSP. This is used for
177 // the index operand of an address, to conform to x86 encoding restrictions.
178 def ptr_rc_nosp : PointerLikeRegClass<1>;
180 // *mem - Operand definitions for the funky X86 addressing mode operands.
182 def X86MemAsmOperand : AsmOperandClass {
186 class X86MemOperand<string printMethod> : Operand<iPTR> {
187 let PrintMethod = printMethod;
188 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc_nosp, i32imm, i8imm);
189 let ParserMatchClass = X86MemAsmOperand;
192 def opaque32mem : X86MemOperand<"printopaquemem">;
193 def opaque48mem : X86MemOperand<"printopaquemem">;
194 def opaque80mem : X86MemOperand<"printopaquemem">;
196 def i8mem : X86MemOperand<"printi8mem">;
197 def i16mem : X86MemOperand<"printi16mem">;
198 def i32mem : X86MemOperand<"printi32mem">;
199 def i64mem : X86MemOperand<"printi64mem">;
200 def i128mem : X86MemOperand<"printi128mem">;
201 def i256mem : X86MemOperand<"printi256mem">;
202 def f32mem : X86MemOperand<"printf32mem">;
203 def f64mem : X86MemOperand<"printf64mem">;
204 def f80mem : X86MemOperand<"printf80mem">;
205 def f128mem : X86MemOperand<"printf128mem">;
206 def f256mem : X86MemOperand<"printf256mem">;
208 // A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
209 // plain GR64, so that it doesn't potentially require a REX prefix.
210 def i8mem_NOREX : Operand<i64> {
211 let PrintMethod = "printi8mem";
212 let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_NOREX_NOSP, i32imm, i8imm);
213 let ParserMatchClass = X86MemAsmOperand;
216 def lea32mem : Operand<i32> {
217 let PrintMethod = "printlea32mem";
218 let MIOperandInfo = (ops GR32, i8imm, GR32_NOSP, i32imm);
219 let ParserMatchClass = X86MemAsmOperand;
222 def SSECC : Operand<i8> {
223 let PrintMethod = "printSSECC";
226 def piclabel: Operand<i32> {
227 let PrintMethod = "printPICLabel";
230 def ImmSExt8AsmOperand : AsmOperandClass {
231 let Name = "ImmSExt8";
232 let SuperClass = ImmAsmOperand;
235 // A couple of more descriptive operand definitions.
236 // 16-bits but only 8 bits are significant.
237 def i16i8imm : Operand<i16> {
238 let ParserMatchClass = ImmSExt8AsmOperand;
240 // 32-bits but only 8 bits are significant.
241 def i32i8imm : Operand<i32> {
242 let ParserMatchClass = ImmSExt8AsmOperand;
245 // Branch targets have OtherVT type and print as pc-relative values.
246 def brtarget : Operand<OtherVT> {
247 let PrintMethod = "print_pcrel_imm";
250 def brtarget8 : Operand<OtherVT> {
251 let PrintMethod = "print_pcrel_imm";
254 //===----------------------------------------------------------------------===//
255 // X86 Complex Pattern Definitions.
258 // Define X86 specific addressing mode.
259 def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], []>;
260 def lea32addr : ComplexPattern<i32, 4, "SelectLEAAddr",
261 [add, sub, mul, X86mul_imm, shl, or, frameindex],
263 def tls32addr : ComplexPattern<i32, 4, "SelectTLSADDRAddr",
264 [tglobaltlsaddr], []>;
266 //===----------------------------------------------------------------------===//
267 // X86 Instruction Predicate Definitions.
268 def HasMMX : Predicate<"Subtarget->hasMMX()">;
269 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
270 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
271 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
272 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
273 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
274 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
275 def HasSSE4A : Predicate<"Subtarget->hasSSE4A()">;
276 def HasAVX : Predicate<"Subtarget->hasAVX()">;
277 def HasFMA3 : Predicate<"Subtarget->hasFMA3()">;
278 def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
279 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
280 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
281 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
282 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
283 def IsWin64 : Predicate<"Subtarget->isTargetWin64()">;
284 def NotWin64 : Predicate<"!Subtarget->isTargetWin64()">;
285 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
286 def KernelCode : Predicate<"TM.getCodeModel() == CodeModel::Kernel">;
287 def FarData : Predicate<"TM.getCodeModel() != CodeModel::Small &&"
288 "TM.getCodeModel() != CodeModel::Kernel">;
289 def NearData : Predicate<"TM.getCodeModel() == CodeModel::Small ||"
290 "TM.getCodeModel() == CodeModel::Kernel">;
291 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
292 def OptForSpeed : Predicate<"!OptForSize">;
293 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
294 def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
296 //===----------------------------------------------------------------------===//
297 // X86 Instruction Format Definitions.
300 include "X86InstrFormats.td"
302 //===----------------------------------------------------------------------===//
303 // Pattern fragments...
306 // X86 specific condition code. These correspond to CondCode in
307 // X86InstrInfo.h. They must be kept in synch.
308 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
309 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
310 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
311 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
312 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
313 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
314 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
315 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
316 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
317 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
318 def X86_COND_NO : PatLeaf<(i8 10)>;
319 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
320 def X86_COND_NS : PatLeaf<(i8 12)>;
321 def X86_COND_O : PatLeaf<(i8 13)>;
322 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
323 def X86_COND_S : PatLeaf<(i8 15)>;
325 def i16immSExt8 : PatLeaf<(i16 imm), [{
326 // i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
327 // sign extended field.
328 return (int16_t)N->getZExtValue() == (int8_t)N->getZExtValue();
331 def i32immSExt8 : PatLeaf<(i32 imm), [{
332 // i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
333 // sign extended field.
334 return (int32_t)N->getZExtValue() == (int8_t)N->getZExtValue();
337 // Helper fragments for loads.
338 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
339 // known to be 32-bit aligned or better. Ditto for i8 to i16.
340 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
341 LoadSDNode *LD = cast<LoadSDNode>(N);
342 if (const Value *Src = LD->getSrcValue())
343 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
344 if (PT->getAddressSpace() > 255)
346 ISD::LoadExtType ExtType = LD->getExtensionType();
347 if (ExtType == ISD::NON_EXTLOAD)
349 if (ExtType == ISD::EXTLOAD)
350 return LD->getAlignment() >= 2 && !LD->isVolatile();
354 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
355 LoadSDNode *LD = cast<LoadSDNode>(N);
356 if (const Value *Src = LD->getSrcValue())
357 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
358 if (PT->getAddressSpace() > 255)
360 ISD::LoadExtType ExtType = LD->getExtensionType();
361 if (ExtType == ISD::EXTLOAD)
362 return LD->getAlignment() >= 2 && !LD->isVolatile();
366 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
367 LoadSDNode *LD = cast<LoadSDNode>(N);
368 if (const Value *Src = LD->getSrcValue())
369 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
370 if (PT->getAddressSpace() > 255)
372 ISD::LoadExtType ExtType = LD->getExtensionType();
373 if (ExtType == ISD::NON_EXTLOAD)
375 if (ExtType == ISD::EXTLOAD)
376 return LD->getAlignment() >= 4 && !LD->isVolatile();
380 def nvloadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
381 LoadSDNode *LD = cast<LoadSDNode>(N);
382 if (const Value *Src = LD->getSrcValue())
383 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
384 if (PT->getAddressSpace() > 255)
386 if (LD->isVolatile())
388 ISD::LoadExtType ExtType = LD->getExtensionType();
389 if (ExtType == ISD::NON_EXTLOAD)
391 if (ExtType == ISD::EXTLOAD)
392 return LD->getAlignment() >= 4;
396 def gsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
397 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
398 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
399 return PT->getAddressSpace() == 256;
403 def fsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
404 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
405 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
406 return PT->getAddressSpace() == 257;
410 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr)), [{
411 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
412 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
413 if (PT->getAddressSpace() > 255)
417 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr)), [{
418 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
419 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
420 if (PT->getAddressSpace() > 255)
425 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr)), [{
426 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
427 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
428 if (PT->getAddressSpace() > 255)
432 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr)), [{
433 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
434 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
435 if (PT->getAddressSpace() > 255)
439 def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr)), [{
440 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
441 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
442 if (PT->getAddressSpace() > 255)
447 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
448 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
449 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
451 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
452 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
453 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
454 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
455 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
456 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
458 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
459 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
460 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
461 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
462 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
463 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
466 // An 'and' node with a single use.
467 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
468 return N->hasOneUse();
470 // An 'srl' node with a single use.
471 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
472 return N->hasOneUse();
474 // An 'trunc' node with a single use.
475 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
476 return N->hasOneUse();
479 // 'shld' and 'shrd' instruction patterns. Note that even though these have
480 // the srl and shl in their patterns, the C++ code must still check for them,
481 // because predicates are tested before children nodes are explored.
483 def shrd : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
484 (or (srl node:$src1, node:$amt1),
485 (shl node:$src2, node:$amt2)), [{
486 assert(N->getOpcode() == ISD::OR);
487 return N->getOperand(0).getOpcode() == ISD::SRL &&
488 N->getOperand(1).getOpcode() == ISD::SHL &&
489 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
490 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
491 N->getOperand(0).getConstantOperandVal(1) ==
492 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
495 def shld : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
496 (or (shl node:$src1, node:$amt1),
497 (srl node:$src2, node:$amt2)), [{
498 assert(N->getOpcode() == ISD::OR);
499 return N->getOperand(0).getOpcode() == ISD::SHL &&
500 N->getOperand(1).getOpcode() == ISD::SRL &&
501 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
502 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
503 N->getOperand(0).getConstantOperandVal(1) ==
504 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
507 //===----------------------------------------------------------------------===//
508 // Instruction list...
511 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
512 // a stack adjustment and the codegen must know that they may modify the stack
513 // pointer before prolog-epilog rewriting occurs.
514 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
515 // sub / add which can clobber EFLAGS.
516 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
517 def ADJCALLSTACKDOWN32 : I<0, Pseudo, (outs), (ins i32imm:$amt),
519 [(X86callseq_start timm:$amt)]>,
520 Requires<[In32BitMode]>;
521 def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
523 [(X86callseq_end timm:$amt1, timm:$amt2)]>,
524 Requires<[In32BitMode]>;
527 // x86-64 va_start lowering magic.
528 let usesCustomDAGSchedInserter = 1 in
529 def VASTART_SAVE_XMM_REGS : I<0, Pseudo,
532 i64imm:$regsavefi, i64imm:$offset,
534 "#VASTART_SAVE_XMM_REGS $al, $regsavefi, $offset",
535 [(X86vastart_save_xmm_regs GR8:$al,
540 let neverHasSideEffects = 1 in {
541 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
542 def NOOPL : I<0x1f, MRM0m, (outs), (ins i32mem:$zero),
543 "nopl\t$zero", []>, TB;
547 def INT3 : I<0xcc, RawFrm, (outs), (ins), "int 3", []>;
548 def INT : I<0xcd, RawFrm, (outs), (ins i8imm:$trap), "int\t$trap", []>;
551 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
552 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins piclabel:$label),
556 //===----------------------------------------------------------------------===//
557 // Control Flow Instructions...
560 // Return instructions.
561 let isTerminator = 1, isReturn = 1, isBarrier = 1,
562 hasCtrlDep = 1, FPForm = SpecialFP, FPFormBits = SpecialFP.Value in {
563 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
566 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
568 [(X86retflag timm:$amt)]>;
571 // All branches are RawFrm, Void, Branch, and Terminators
572 let isBranch = 1, isTerminator = 1 in
573 class IBr<bits<8> opcode, dag ins, string asm, list<dag> pattern> :
574 I<opcode, RawFrm, (outs), ins, asm, pattern>;
576 let isBranch = 1, isBarrier = 1 in {
577 def JMP : IBr<0xE9, (ins brtarget:$dst), "jmp\t$dst", [(br bb:$dst)]>;
578 def JMP8 : IBr<0xEB, (ins brtarget8:$dst), "jmp\t$dst", []>;
582 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
583 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
584 [(brind GR32:$dst)]>;
585 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
586 [(brind (loadi32 addr:$dst))]>;
588 def FARJMP16i : Iseg16<0xEA, RawFrm, (outs),
589 (ins i16imm:$seg, i16imm:$off),
590 "ljmp{w}\t$seg, $off", []>, OpSize;
591 def FARJMP32i : Iseg32<0xEA, RawFrm, (outs),
592 (ins i16imm:$seg, i32imm:$off),
593 "ljmp{l}\t$seg, $off", []>;
595 def FARJMP16m : I<0xFF, MRM5m, (outs), (ins opaque32mem:$dst),
596 "ljmp{w}\t{*}$dst", []>, OpSize;
597 def FARJMP32m : I<0xFF, MRM5m, (outs), (ins opaque48mem:$dst),
598 "ljmp{l}\t{*}$dst", []>;
601 // Conditional branches
602 let Uses = [EFLAGS] in {
603 // Short conditional jumps
604 def JO8 : IBr<0x70, (ins brtarget8:$dst), "jo\t$dst", []>;
605 def JNO8 : IBr<0x71, (ins brtarget8:$dst), "jno\t$dst", []>;
606 def JB8 : IBr<0x72, (ins brtarget8:$dst), "jb\t$dst", []>;
607 def JAE8 : IBr<0x73, (ins brtarget8:$dst), "jae\t$dst", []>;
608 def JE8 : IBr<0x74, (ins brtarget8:$dst), "je\t$dst", []>;
609 def JNE8 : IBr<0x75, (ins brtarget8:$dst), "jne\t$dst", []>;
610 def JBE8 : IBr<0x76, (ins brtarget8:$dst), "jbe\t$dst", []>;
611 def JA8 : IBr<0x77, (ins brtarget8:$dst), "ja\t$dst", []>;
612 def JS8 : IBr<0x78, (ins brtarget8:$dst), "js\t$dst", []>;
613 def JNS8 : IBr<0x79, (ins brtarget8:$dst), "jns\t$dst", []>;
614 def JP8 : IBr<0x7A, (ins brtarget8:$dst), "jp\t$dst", []>;
615 def JNP8 : IBr<0x7B, (ins brtarget8:$dst), "jnp\t$dst", []>;
616 def JL8 : IBr<0x7C, (ins brtarget8:$dst), "jl\t$dst", []>;
617 def JGE8 : IBr<0x7D, (ins brtarget8:$dst), "jge\t$dst", []>;
618 def JLE8 : IBr<0x7E, (ins brtarget8:$dst), "jle\t$dst", []>;
619 def JG8 : IBr<0x7F, (ins brtarget8:$dst), "jg\t$dst", []>;
621 def JCXZ8 : IBr<0xE3, (ins brtarget8:$dst), "jcxz\t$dst", []>;
623 def JE : IBr<0x84, (ins brtarget:$dst), "je\t$dst",
624 [(X86brcond bb:$dst, X86_COND_E, EFLAGS)]>, TB;
625 def JNE : IBr<0x85, (ins brtarget:$dst), "jne\t$dst",
626 [(X86brcond bb:$dst, X86_COND_NE, EFLAGS)]>, TB;
627 def JL : IBr<0x8C, (ins brtarget:$dst), "jl\t$dst",
628 [(X86brcond bb:$dst, X86_COND_L, EFLAGS)]>, TB;
629 def JLE : IBr<0x8E, (ins brtarget:$dst), "jle\t$dst",
630 [(X86brcond bb:$dst, X86_COND_LE, EFLAGS)]>, TB;
631 def JG : IBr<0x8F, (ins brtarget:$dst), "jg\t$dst",
632 [(X86brcond bb:$dst, X86_COND_G, EFLAGS)]>, TB;
633 def JGE : IBr<0x8D, (ins brtarget:$dst), "jge\t$dst",
634 [(X86brcond bb:$dst, X86_COND_GE, EFLAGS)]>, TB;
636 def JB : IBr<0x82, (ins brtarget:$dst), "jb\t$dst",
637 [(X86brcond bb:$dst, X86_COND_B, EFLAGS)]>, TB;
638 def JBE : IBr<0x86, (ins brtarget:$dst), "jbe\t$dst",
639 [(X86brcond bb:$dst, X86_COND_BE, EFLAGS)]>, TB;
640 def JA : IBr<0x87, (ins brtarget:$dst), "ja\t$dst",
641 [(X86brcond bb:$dst, X86_COND_A, EFLAGS)]>, TB;
642 def JAE : IBr<0x83, (ins brtarget:$dst), "jae\t$dst",
643 [(X86brcond bb:$dst, X86_COND_AE, EFLAGS)]>, TB;
645 def JS : IBr<0x88, (ins brtarget:$dst), "js\t$dst",
646 [(X86brcond bb:$dst, X86_COND_S, EFLAGS)]>, TB;
647 def JNS : IBr<0x89, (ins brtarget:$dst), "jns\t$dst",
648 [(X86brcond bb:$dst, X86_COND_NS, EFLAGS)]>, TB;
649 def JP : IBr<0x8A, (ins brtarget:$dst), "jp\t$dst",
650 [(X86brcond bb:$dst, X86_COND_P, EFLAGS)]>, TB;
651 def JNP : IBr<0x8B, (ins brtarget:$dst), "jnp\t$dst",
652 [(X86brcond bb:$dst, X86_COND_NP, EFLAGS)]>, TB;
653 def JO : IBr<0x80, (ins brtarget:$dst), "jo\t$dst",
654 [(X86brcond bb:$dst, X86_COND_O, EFLAGS)]>, TB;
655 def JNO : IBr<0x81, (ins brtarget:$dst), "jno\t$dst",
656 [(X86brcond bb:$dst, X86_COND_NO, EFLAGS)]>, TB;
659 //===----------------------------------------------------------------------===//
660 // Call Instructions...
663 // All calls clobber the non-callee saved registers. ESP is marked as
664 // a use to prevent stack-pointer assignments that appear immediately
665 // before calls from potentially appearing dead. Uses for argument
666 // registers are added manually.
667 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
668 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
669 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
670 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
672 def CALLpcrel32 : Ii32<0xE8, RawFrm,
673 (outs), (ins i32imm_pcrel:$dst,variable_ops),
675 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
676 "call\t{*}$dst", [(X86call GR32:$dst)]>;
677 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
678 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
680 def FARCALL16i : Iseg16<0x9A, RawFrm, (outs),
681 (ins i16imm:$seg, i16imm:$off),
682 "lcall{w}\t$seg, $off", []>, OpSize;
683 def FARCALL32i : Iseg32<0x9A, RawFrm, (outs),
684 (ins i16imm:$seg, i32imm:$off),
685 "lcall{l}\t$seg, $off", []>;
687 def FARCALL16m : I<0xFF, MRM3m, (outs), (ins opaque32mem:$dst),
688 "lcall{w}\t{*}$dst", []>, OpSize;
689 def FARCALL32m : I<0xFF, MRM3m, (outs), (ins opaque48mem:$dst),
690 "lcall{l}\t{*}$dst", []>;
695 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
696 def TCRETURNdi : I<0, Pseudo, (outs), (ins i32imm:$dst, i32imm:$offset, variable_ops),
697 "#TC_RETURN $dst $offset",
700 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
701 def TCRETURNri : I<0, Pseudo, (outs), (ins GR32:$dst, i32imm:$offset, variable_ops),
702 "#TC_RETURN $dst $offset",
705 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
707 def TAILJMPd : IBr<0xE9, (ins i32imm_pcrel:$dst), "jmp\t$dst # TAILCALL",
709 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
710 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst # TAILCALL",
712 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
713 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem:$dst),
714 "jmp\t{*}$dst # TAILCALL", []>;
716 //===----------------------------------------------------------------------===//
717 // Miscellaneous Instructions...
719 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
720 def LEAVE : I<0xC9, RawFrm,
721 (outs), (ins), "leave", []>;
723 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
725 def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
727 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
728 def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
730 def POP16rmm: I<0x8F, MRM0m, (outs i16mem:$dst), (ins), "pop{w}\t$dst", []>,
732 def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
733 def POP32rmm: I<0x8F, MRM0m, (outs i32mem:$dst), (ins), "pop{l}\t$dst", []>;
736 let mayStore = 1 in {
737 def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
739 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
740 def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
742 def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[]>,
744 def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
745 def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[]>;
749 let Defs = [ESP], Uses = [ESP], neverHasSideEffects = 1, mayStore = 1 in {
750 def PUSH32i8 : Ii8<0x6a, RawFrm, (outs), (ins i8imm:$imm),
751 "push{l}\t$imm", []>;
752 def PUSH32i16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
753 "push{l}\t$imm", []>;
754 def PUSH32i32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
755 "push{l}\t$imm", []>;
758 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in
759 def POPFD : I<0x9D, RawFrm, (outs), (ins), "popf", []>;
760 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in
761 def PUSHFD : I<0x9C, RawFrm, (outs), (ins), "pushf", []>;
763 let isTwoAddress = 1 in // GR32 = bswap GR32
764 def BSWAP32r : I<0xC8, AddRegFrm,
765 (outs GR32:$dst), (ins GR32:$src),
767 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
770 // Bit scan instructions.
771 let Defs = [EFLAGS] in {
772 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
773 "bsf{w}\t{$src, $dst|$dst, $src}",
774 [(set GR16:$dst, (X86bsf GR16:$src)), (implicit EFLAGS)]>, TB;
775 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
776 "bsf{w}\t{$src, $dst|$dst, $src}",
777 [(set GR16:$dst, (X86bsf (loadi16 addr:$src))),
778 (implicit EFLAGS)]>, TB;
779 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
780 "bsf{l}\t{$src, $dst|$dst, $src}",
781 [(set GR32:$dst, (X86bsf GR32:$src)), (implicit EFLAGS)]>, TB;
782 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
783 "bsf{l}\t{$src, $dst|$dst, $src}",
784 [(set GR32:$dst, (X86bsf (loadi32 addr:$src))),
785 (implicit EFLAGS)]>, TB;
787 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
788 "bsr{w}\t{$src, $dst|$dst, $src}",
789 [(set GR16:$dst, (X86bsr GR16:$src)), (implicit EFLAGS)]>, TB;
790 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
791 "bsr{w}\t{$src, $dst|$dst, $src}",
792 [(set GR16:$dst, (X86bsr (loadi16 addr:$src))),
793 (implicit EFLAGS)]>, TB;
794 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
795 "bsr{l}\t{$src, $dst|$dst, $src}",
796 [(set GR32:$dst, (X86bsr GR32:$src)), (implicit EFLAGS)]>, TB;
797 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
798 "bsr{l}\t{$src, $dst|$dst, $src}",
799 [(set GR32:$dst, (X86bsr (loadi32 addr:$src))),
800 (implicit EFLAGS)]>, TB;
803 let neverHasSideEffects = 1 in
804 def LEA16r : I<0x8D, MRMSrcMem,
805 (outs GR16:$dst), (ins i32mem:$src),
806 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
807 let isReMaterializable = 1 in
808 def LEA32r : I<0x8D, MRMSrcMem,
809 (outs GR32:$dst), (ins lea32mem:$src),
810 "lea{l}\t{$src|$dst}, {$dst|$src}",
811 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
813 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI] in {
814 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
815 [(X86rep_movs i8)]>, REP;
816 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
817 [(X86rep_movs i16)]>, REP, OpSize;
818 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
819 [(X86rep_movs i32)]>, REP;
822 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI] in
823 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
824 [(X86rep_stos i8)]>, REP;
825 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI] in
826 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
827 [(X86rep_stos i16)]>, REP, OpSize;
828 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI] in
829 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
830 [(X86rep_stos i32)]>, REP;
832 def SCAS8 : I<0xAE, RawFrm, (outs), (ins), "scas{b}", []>;
833 def SCAS16 : I<0xAF, RawFrm, (outs), (ins), "scas{w}", []>, OpSize;
834 def SCAS32 : I<0xAF, RawFrm, (outs), (ins), "scas{l}", []>;
836 def CMPS8 : I<0xA6, RawFrm, (outs), (ins), "cmps{b}", []>;
837 def CMPS16 : I<0xA7, RawFrm, (outs), (ins), "cmps{w}", []>, OpSize;
838 def CMPS32 : I<0xA7, RawFrm, (outs), (ins), "cmps{l}", []>;
840 let Defs = [RAX, RDX] in
841 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
844 let isBarrier = 1, hasCtrlDep = 1 in {
845 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
848 def SYSCALL : I<0x05, RawFrm,
849 (outs), (ins), "syscall", []>, TB;
850 def SYSRET : I<0x07, RawFrm,
851 (outs), (ins), "sysret", []>, TB;
852 def SYSENTER : I<0x34, RawFrm,
853 (outs), (ins), "sysenter", []>, TB;
854 def SYSEXIT : I<0x35, RawFrm,
855 (outs), (ins), "sysexit", []>, TB;
857 def WAIT : I<0x9B, RawFrm, (outs), (ins), "wait", []>;
860 //===----------------------------------------------------------------------===//
861 // Input/Output Instructions...
863 let Defs = [AL], Uses = [DX] in
864 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
865 "in{b}\t{%dx, %al|%AL, %DX}", []>;
866 let Defs = [AX], Uses = [DX] in
867 def IN16rr : I<0xED, RawFrm, (outs), (ins),
868 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
869 let Defs = [EAX], Uses = [DX] in
870 def IN32rr : I<0xED, RawFrm, (outs), (ins),
871 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
874 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i16i8imm:$port),
875 "in{b}\t{$port, %al|%AL, $port}", []>;
877 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
878 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
880 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
881 "in{l}\t{$port, %eax|%EAX, $port}", []>;
883 let Uses = [DX, AL] in
884 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
885 "out{b}\t{%al, %dx|%DX, %AL}", []>;
886 let Uses = [DX, AX] in
887 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
888 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
889 let Uses = [DX, EAX] in
890 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
891 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
894 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i16i8imm:$port),
895 "out{b}\t{%al, $port|$port, %AL}", []>;
897 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
898 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
900 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
901 "out{l}\t{%eax, $port|$port, %EAX}", []>;
903 //===----------------------------------------------------------------------===//
904 // Move Instructions...
906 let neverHasSideEffects = 1 in {
907 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
908 "mov{b}\t{$src, $dst|$dst, $src}", []>;
909 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
910 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
911 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
912 "mov{l}\t{$src, $dst|$dst, $src}", []>;
914 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
915 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
916 "mov{b}\t{$src, $dst|$dst, $src}",
917 [(set GR8:$dst, imm:$src)]>;
918 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
919 "mov{w}\t{$src, $dst|$dst, $src}",
920 [(set GR16:$dst, imm:$src)]>, OpSize;
921 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
922 "mov{l}\t{$src, $dst|$dst, $src}",
923 [(set GR32:$dst, imm:$src)]>;
925 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
926 "mov{b}\t{$src, $dst|$dst, $src}",
927 [(store (i8 imm:$src), addr:$dst)]>;
928 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
929 "mov{w}\t{$src, $dst|$dst, $src}",
930 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
931 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
932 "mov{l}\t{$src, $dst|$dst, $src}",
933 [(store (i32 imm:$src), addr:$dst)]>;
935 def MOV8o8a : Ii8 <0xA0, RawFrm, (outs), (ins i8imm:$src),
936 "mov{b}\t{$src, %al|%al, $src}", []>;
937 def MOV16o16a : Ii16 <0xA1, RawFrm, (outs), (ins i16imm:$src),
938 "mov{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
939 def MOV32o32a : Ii32 <0xA1, RawFrm, (outs), (ins i32imm:$src),
940 "mov{l}\t{$src, %eax|%eax, $src}", []>;
942 def MOV8ao8 : Ii8 <0xA2, RawFrm, (outs i8imm:$dst), (ins),
943 "mov{b}\t{%al, $dst|$dst, %al}", []>;
944 def MOV16ao16 : Ii16 <0xA3, RawFrm, (outs i16imm:$dst), (ins),
945 "mov{w}\t{%ax, $dst|$dst, %ax}", []>, OpSize;
946 def MOV32ao32 : Ii32 <0xA3, RawFrm, (outs i32imm:$dst), (ins),
947 "mov{l}\t{%eax, $dst|$dst, %eax}", []>;
949 // Moves to and from segment registers
950 def MOV16rs : I<0x8C, MRMDestReg, (outs GR16:$dst), (ins SEGMENT_REG:$src),
951 "mov{w}\t{$src, $dst|$dst, $src}", []>;
952 def MOV16ms : I<0x8C, MRMDestMem, (outs i16mem:$dst), (ins SEGMENT_REG:$src),
953 "mov{w}\t{$src, $dst|$dst, $src}", []>;
954 def MOV16sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR16:$src),
955 "mov{w}\t{$src, $dst|$dst, $src}", []>;
956 def MOV16sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i16mem:$src),
957 "mov{w}\t{$src, $dst|$dst, $src}", []>;
959 let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in {
960 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
961 "mov{b}\t{$src, $dst|$dst, $src}",
962 [(set GR8:$dst, (loadi8 addr:$src))]>;
963 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
964 "mov{w}\t{$src, $dst|$dst, $src}",
965 [(set GR16:$dst, (loadi16 addr:$src))]>, OpSize;
966 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
967 "mov{l}\t{$src, $dst|$dst, $src}",
968 [(set GR32:$dst, (loadi32 addr:$src))]>;
971 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
972 "mov{b}\t{$src, $dst|$dst, $src}",
973 [(store GR8:$src, addr:$dst)]>;
974 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
975 "mov{w}\t{$src, $dst|$dst, $src}",
976 [(store GR16:$src, addr:$dst)]>, OpSize;
977 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
978 "mov{l}\t{$src, $dst|$dst, $src}",
979 [(store GR32:$src, addr:$dst)]>;
981 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
982 // that they can be used for copying and storing h registers, which can't be
983 // encoded when a REX prefix is present.
984 let neverHasSideEffects = 1 in
985 def MOV8rr_NOREX : I<0x88, MRMDestReg,
986 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
987 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
989 def MOV8mr_NOREX : I<0x88, MRMDestMem,
990 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
991 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
993 canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in
994 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
995 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
996 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
998 //===----------------------------------------------------------------------===//
999 // Fixed-Register Multiplication and Division Instructions...
1002 // Extra precision multiplication
1003 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
1004 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
1005 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1006 // This probably ought to be moved to a def : Pat<> if the
1007 // syntax can be accepted.
1008 [(set AL, (mul AL, GR8:$src)),
1009 (implicit EFLAGS)]>; // AL,AH = AL*GR8
1011 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
1012 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
1014 []>, OpSize; // AX,DX = AX*GR16
1016 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
1017 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
1019 []>; // EAX,EDX = EAX*GR32
1021 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
1022 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
1024 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1025 // This probably ought to be moved to a def : Pat<> if the
1026 // syntax can be accepted.
1027 [(set AL, (mul AL, (loadi8 addr:$src))),
1028 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
1030 let mayLoad = 1, neverHasSideEffects = 1 in {
1031 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1032 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
1034 []>, OpSize; // AX,DX = AX*[mem16]
1036 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1037 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
1039 []>; // EAX,EDX = EAX*[mem32]
1042 let neverHasSideEffects = 1 in {
1043 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
1044 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
1046 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1047 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
1048 OpSize; // AX,DX = AX*GR16
1049 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1050 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
1051 // EAX,EDX = EAX*GR32
1052 let mayLoad = 1 in {
1053 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
1054 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
1055 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
1056 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1057 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
1058 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
1059 let Defs = [EAX,EDX], Uses = [EAX] in
1060 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
1061 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
1063 } // neverHasSideEffects
1065 // unsigned division/remainder
1066 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
1067 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1068 "div{b}\t$src", []>;
1069 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1070 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1071 "div{w}\t$src", []>, OpSize;
1072 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1073 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1074 "div{l}\t$src", []>;
1075 let mayLoad = 1 in {
1076 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
1077 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1078 "div{b}\t$src", []>;
1079 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1080 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1081 "div{w}\t$src", []>, OpSize;
1082 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1083 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
1084 "div{l}\t$src", []>;
1087 // Signed division/remainder.
1088 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
1089 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1090 "idiv{b}\t$src", []>;
1091 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1092 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1093 "idiv{w}\t$src", []>, OpSize;
1094 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1095 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1096 "idiv{l}\t$src", []>;
1097 let mayLoad = 1, mayLoad = 1 in {
1098 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
1099 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1100 "idiv{b}\t$src", []>;
1101 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1102 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1103 "idiv{w}\t$src", []>, OpSize;
1104 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1105 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
1106 "idiv{l}\t$src", []>;
1109 //===----------------------------------------------------------------------===//
1110 // Two address Instructions.
1112 let isTwoAddress = 1 in {
1114 // Conditional moves
1115 let Uses = [EFLAGS] in {
1117 // X86 doesn't have 8-bit conditional moves. Use a customDAGSchedInserter to
1118 // emit control flow. An alternative to this is to mark i8 SELECT as Promote,
1119 // however that requires promoting the operands, and can induce additional
1120 // i8 register pressure. Note that CMOV_GR8 is conservatively considered to
1121 // clobber EFLAGS, because if one of the operands is zero, the expansion
1122 // could involve an xor.
1123 let usesCustomDAGSchedInserter = 1, isTwoAddress = 0, Defs = [EFLAGS] in
1124 def CMOV_GR8 : I<0, Pseudo,
1125 (outs GR8:$dst), (ins GR8:$src1, GR8:$src2, i8imm:$cond),
1126 "#CMOV_GR8 PSEUDO!",
1127 [(set GR8:$dst, (X86cmov GR8:$src1, GR8:$src2,
1128 imm:$cond, EFLAGS))]>;
1130 let isCommutable = 1 in {
1131 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
1132 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1133 "cmovb\t{$src2, $dst|$dst, $src2}",
1134 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1135 X86_COND_B, EFLAGS))]>,
1137 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
1138 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1139 "cmovb\t{$src2, $dst|$dst, $src2}",
1140 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1141 X86_COND_B, EFLAGS))]>,
1143 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
1144 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1145 "cmovae\t{$src2, $dst|$dst, $src2}",
1146 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1147 X86_COND_AE, EFLAGS))]>,
1149 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
1150 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1151 "cmovae\t{$src2, $dst|$dst, $src2}",
1152 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1153 X86_COND_AE, EFLAGS))]>,
1155 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
1156 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1157 "cmove\t{$src2, $dst|$dst, $src2}",
1158 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1159 X86_COND_E, EFLAGS))]>,
1161 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
1162 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1163 "cmove\t{$src2, $dst|$dst, $src2}",
1164 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1165 X86_COND_E, EFLAGS))]>,
1167 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
1168 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1169 "cmovne\t{$src2, $dst|$dst, $src2}",
1170 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1171 X86_COND_NE, EFLAGS))]>,
1173 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
1174 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1175 "cmovne\t{$src2, $dst|$dst, $src2}",
1176 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1177 X86_COND_NE, EFLAGS))]>,
1179 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
1180 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1181 "cmovbe\t{$src2, $dst|$dst, $src2}",
1182 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1183 X86_COND_BE, EFLAGS))]>,
1185 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
1186 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1187 "cmovbe\t{$src2, $dst|$dst, $src2}",
1188 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1189 X86_COND_BE, EFLAGS))]>,
1191 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
1192 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1193 "cmova\t{$src2, $dst|$dst, $src2}",
1194 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1195 X86_COND_A, EFLAGS))]>,
1197 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
1198 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1199 "cmova\t{$src2, $dst|$dst, $src2}",
1200 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1201 X86_COND_A, EFLAGS))]>,
1203 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
1204 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1205 "cmovl\t{$src2, $dst|$dst, $src2}",
1206 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1207 X86_COND_L, EFLAGS))]>,
1209 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
1210 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1211 "cmovl\t{$src2, $dst|$dst, $src2}",
1212 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1213 X86_COND_L, EFLAGS))]>,
1215 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
1216 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1217 "cmovge\t{$src2, $dst|$dst, $src2}",
1218 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1219 X86_COND_GE, EFLAGS))]>,
1221 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
1222 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1223 "cmovge\t{$src2, $dst|$dst, $src2}",
1224 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1225 X86_COND_GE, EFLAGS))]>,
1227 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
1228 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1229 "cmovle\t{$src2, $dst|$dst, $src2}",
1230 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1231 X86_COND_LE, EFLAGS))]>,
1233 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
1234 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1235 "cmovle\t{$src2, $dst|$dst, $src2}",
1236 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1237 X86_COND_LE, EFLAGS))]>,
1239 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
1240 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1241 "cmovg\t{$src2, $dst|$dst, $src2}",
1242 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1243 X86_COND_G, EFLAGS))]>,
1245 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
1246 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1247 "cmovg\t{$src2, $dst|$dst, $src2}",
1248 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1249 X86_COND_G, EFLAGS))]>,
1251 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
1252 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1253 "cmovs\t{$src2, $dst|$dst, $src2}",
1254 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1255 X86_COND_S, EFLAGS))]>,
1257 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
1258 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1259 "cmovs\t{$src2, $dst|$dst, $src2}",
1260 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1261 X86_COND_S, EFLAGS))]>,
1263 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
1264 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1265 "cmovns\t{$src2, $dst|$dst, $src2}",
1266 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1267 X86_COND_NS, EFLAGS))]>,
1269 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1270 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1271 "cmovns\t{$src2, $dst|$dst, $src2}",
1272 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1273 X86_COND_NS, EFLAGS))]>,
1275 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1276 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1277 "cmovp\t{$src2, $dst|$dst, $src2}",
1278 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1279 X86_COND_P, EFLAGS))]>,
1281 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1282 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1283 "cmovp\t{$src2, $dst|$dst, $src2}",
1284 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1285 X86_COND_P, EFLAGS))]>,
1287 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1288 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1289 "cmovnp\t{$src2, $dst|$dst, $src2}",
1290 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1291 X86_COND_NP, EFLAGS))]>,
1293 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1294 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1295 "cmovnp\t{$src2, $dst|$dst, $src2}",
1296 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1297 X86_COND_NP, EFLAGS))]>,
1299 def CMOVO16rr : I<0x40, MRMSrcReg, // if overflow, GR16 = GR16
1300 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1301 "cmovo\t{$src2, $dst|$dst, $src2}",
1302 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1303 X86_COND_O, EFLAGS))]>,
1305 def CMOVO32rr : I<0x40, MRMSrcReg, // if overflow, GR32 = GR32
1306 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1307 "cmovo\t{$src2, $dst|$dst, $src2}",
1308 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1309 X86_COND_O, EFLAGS))]>,
1311 def CMOVNO16rr : I<0x41, MRMSrcReg, // if !overflow, GR16 = GR16
1312 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1313 "cmovno\t{$src2, $dst|$dst, $src2}",
1314 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1315 X86_COND_NO, EFLAGS))]>,
1317 def CMOVNO32rr : I<0x41, MRMSrcReg, // if !overflow, GR32 = GR32
1318 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1319 "cmovno\t{$src2, $dst|$dst, $src2}",
1320 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1321 X86_COND_NO, EFLAGS))]>,
1323 } // isCommutable = 1
1325 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1326 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1327 "cmovb\t{$src2, $dst|$dst, $src2}",
1328 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1329 X86_COND_B, EFLAGS))]>,
1331 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1332 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1333 "cmovb\t{$src2, $dst|$dst, $src2}",
1334 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1335 X86_COND_B, EFLAGS))]>,
1337 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1338 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1339 "cmovae\t{$src2, $dst|$dst, $src2}",
1340 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1341 X86_COND_AE, EFLAGS))]>,
1343 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1344 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1345 "cmovae\t{$src2, $dst|$dst, $src2}",
1346 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1347 X86_COND_AE, EFLAGS))]>,
1349 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1350 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1351 "cmove\t{$src2, $dst|$dst, $src2}",
1352 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1353 X86_COND_E, EFLAGS))]>,
1355 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1356 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1357 "cmove\t{$src2, $dst|$dst, $src2}",
1358 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1359 X86_COND_E, EFLAGS))]>,
1361 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1362 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1363 "cmovne\t{$src2, $dst|$dst, $src2}",
1364 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1365 X86_COND_NE, EFLAGS))]>,
1367 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1368 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1369 "cmovne\t{$src2, $dst|$dst, $src2}",
1370 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1371 X86_COND_NE, EFLAGS))]>,
1373 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1374 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1375 "cmovbe\t{$src2, $dst|$dst, $src2}",
1376 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1377 X86_COND_BE, EFLAGS))]>,
1379 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1380 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1381 "cmovbe\t{$src2, $dst|$dst, $src2}",
1382 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1383 X86_COND_BE, EFLAGS))]>,
1385 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1386 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1387 "cmova\t{$src2, $dst|$dst, $src2}",
1388 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1389 X86_COND_A, EFLAGS))]>,
1391 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1392 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1393 "cmova\t{$src2, $dst|$dst, $src2}",
1394 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1395 X86_COND_A, EFLAGS))]>,
1397 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1398 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1399 "cmovl\t{$src2, $dst|$dst, $src2}",
1400 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1401 X86_COND_L, EFLAGS))]>,
1403 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1404 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1405 "cmovl\t{$src2, $dst|$dst, $src2}",
1406 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1407 X86_COND_L, EFLAGS))]>,
1409 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1410 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1411 "cmovge\t{$src2, $dst|$dst, $src2}",
1412 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1413 X86_COND_GE, EFLAGS))]>,
1415 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1416 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1417 "cmovge\t{$src2, $dst|$dst, $src2}",
1418 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1419 X86_COND_GE, EFLAGS))]>,
1421 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1422 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1423 "cmovle\t{$src2, $dst|$dst, $src2}",
1424 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1425 X86_COND_LE, EFLAGS))]>,
1427 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1428 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1429 "cmovle\t{$src2, $dst|$dst, $src2}",
1430 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1431 X86_COND_LE, EFLAGS))]>,
1433 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1434 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1435 "cmovg\t{$src2, $dst|$dst, $src2}",
1436 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1437 X86_COND_G, EFLAGS))]>,
1439 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1440 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1441 "cmovg\t{$src2, $dst|$dst, $src2}",
1442 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1443 X86_COND_G, EFLAGS))]>,
1445 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1446 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1447 "cmovs\t{$src2, $dst|$dst, $src2}",
1448 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1449 X86_COND_S, EFLAGS))]>,
1451 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1452 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1453 "cmovs\t{$src2, $dst|$dst, $src2}",
1454 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1455 X86_COND_S, EFLAGS))]>,
1457 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1458 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1459 "cmovns\t{$src2, $dst|$dst, $src2}",
1460 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1461 X86_COND_NS, EFLAGS))]>,
1463 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1464 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1465 "cmovns\t{$src2, $dst|$dst, $src2}",
1466 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1467 X86_COND_NS, EFLAGS))]>,
1469 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1470 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1471 "cmovp\t{$src2, $dst|$dst, $src2}",
1472 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1473 X86_COND_P, EFLAGS))]>,
1475 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1476 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1477 "cmovp\t{$src2, $dst|$dst, $src2}",
1478 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1479 X86_COND_P, EFLAGS))]>,
1481 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1482 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1483 "cmovnp\t{$src2, $dst|$dst, $src2}",
1484 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1485 X86_COND_NP, EFLAGS))]>,
1487 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1488 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1489 "cmovnp\t{$src2, $dst|$dst, $src2}",
1490 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1491 X86_COND_NP, EFLAGS))]>,
1493 def CMOVO16rm : I<0x40, MRMSrcMem, // if overflow, GR16 = [mem16]
1494 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1495 "cmovo\t{$src2, $dst|$dst, $src2}",
1496 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1497 X86_COND_O, EFLAGS))]>,
1499 def CMOVO32rm : I<0x40, MRMSrcMem, // if overflow, GR32 = [mem32]
1500 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1501 "cmovo\t{$src2, $dst|$dst, $src2}",
1502 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1503 X86_COND_O, EFLAGS))]>,
1505 def CMOVNO16rm : I<0x41, MRMSrcMem, // if !overflow, GR16 = [mem16]
1506 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1507 "cmovno\t{$src2, $dst|$dst, $src2}",
1508 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1509 X86_COND_NO, EFLAGS))]>,
1511 def CMOVNO32rm : I<0x41, MRMSrcMem, // if !overflow, GR32 = [mem32]
1512 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1513 "cmovno\t{$src2, $dst|$dst, $src2}",
1514 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1515 X86_COND_NO, EFLAGS))]>,
1517 } // Uses = [EFLAGS]
1520 // unary instructions
1521 let CodeSize = 2 in {
1522 let Defs = [EFLAGS] in {
1523 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src), "neg{b}\t$dst",
1524 [(set GR8:$dst, (ineg GR8:$src)),
1525 (implicit EFLAGS)]>;
1526 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src), "neg{w}\t$dst",
1527 [(set GR16:$dst, (ineg GR16:$src)),
1528 (implicit EFLAGS)]>, OpSize;
1529 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src), "neg{l}\t$dst",
1530 [(set GR32:$dst, (ineg GR32:$src)),
1531 (implicit EFLAGS)]>;
1532 let isTwoAddress = 0 in {
1533 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), "neg{b}\t$dst",
1534 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
1535 (implicit EFLAGS)]>;
1536 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), "neg{w}\t$dst",
1537 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
1538 (implicit EFLAGS)]>, OpSize;
1539 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), "neg{l}\t$dst",
1540 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
1541 (implicit EFLAGS)]>;
1543 } // Defs = [EFLAGS]
1545 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
1546 let AddedComplexity = 15 in {
1547 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src), "not{b}\t$dst",
1548 [(set GR8:$dst, (not GR8:$src))]>;
1549 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src), "not{w}\t$dst",
1550 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1551 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src), "not{l}\t$dst",
1552 [(set GR32:$dst, (not GR32:$src))]>;
1554 let isTwoAddress = 0 in {
1555 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), "not{b}\t$dst",
1556 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1557 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), "not{w}\t$dst",
1558 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1559 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), "not{l}\t$dst",
1560 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1564 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1565 let Defs = [EFLAGS] in {
1567 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
1568 [(set GR8:$dst, (add GR8:$src, 1)),
1569 (implicit EFLAGS)]>;
1570 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1571 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "inc{w}\t$dst",
1572 [(set GR16:$dst, (add GR16:$src, 1)),
1573 (implicit EFLAGS)]>,
1574 OpSize, Requires<[In32BitMode]>;
1575 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "inc{l}\t$dst",
1576 [(set GR32:$dst, (add GR32:$src, 1)),
1577 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1579 let isTwoAddress = 0, CodeSize = 2 in {
1580 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1581 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
1582 (implicit EFLAGS)]>;
1583 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1584 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
1585 (implicit EFLAGS)]>,
1586 OpSize, Requires<[In32BitMode]>;
1587 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1588 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
1589 (implicit EFLAGS)]>,
1590 Requires<[In32BitMode]>;
1594 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src), "dec{b}\t$dst",
1595 [(set GR8:$dst, (add GR8:$src, -1)),
1596 (implicit EFLAGS)]>;
1597 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1598 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "dec{w}\t$dst",
1599 [(set GR16:$dst, (add GR16:$src, -1)),
1600 (implicit EFLAGS)]>,
1601 OpSize, Requires<[In32BitMode]>;
1602 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "dec{l}\t$dst",
1603 [(set GR32:$dst, (add GR32:$src, -1)),
1604 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1607 let isTwoAddress = 0, CodeSize = 2 in {
1608 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1609 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
1610 (implicit EFLAGS)]>;
1611 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1612 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
1613 (implicit EFLAGS)]>,
1614 OpSize, Requires<[In32BitMode]>;
1615 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1616 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
1617 (implicit EFLAGS)]>,
1618 Requires<[In32BitMode]>;
1620 } // Defs = [EFLAGS]
1622 // Logical operators...
1623 let Defs = [EFLAGS] in {
1624 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1625 def AND8rr : I<0x20, MRMDestReg,
1626 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1627 "and{b}\t{$src2, $dst|$dst, $src2}",
1628 [(set GR8:$dst, (and GR8:$src1, GR8:$src2)),
1629 (implicit EFLAGS)]>;
1630 def AND16rr : I<0x21, MRMDestReg,
1631 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1632 "and{w}\t{$src2, $dst|$dst, $src2}",
1633 [(set GR16:$dst, (and GR16:$src1, GR16:$src2)),
1634 (implicit EFLAGS)]>, OpSize;
1635 def AND32rr : I<0x21, MRMDestReg,
1636 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1637 "and{l}\t{$src2, $dst|$dst, $src2}",
1638 [(set GR32:$dst, (and GR32:$src1, GR32:$src2)),
1639 (implicit EFLAGS)]>;
1642 def AND8rm : I<0x22, MRMSrcMem,
1643 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1644 "and{b}\t{$src2, $dst|$dst, $src2}",
1645 [(set GR8:$dst, (and GR8:$src1, (loadi8 addr:$src2))),
1646 (implicit EFLAGS)]>;
1647 def AND16rm : I<0x23, MRMSrcMem,
1648 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1649 "and{w}\t{$src2, $dst|$dst, $src2}",
1650 [(set GR16:$dst, (and GR16:$src1, (loadi16 addr:$src2))),
1651 (implicit EFLAGS)]>, OpSize;
1652 def AND32rm : I<0x23, MRMSrcMem,
1653 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1654 "and{l}\t{$src2, $dst|$dst, $src2}",
1655 [(set GR32:$dst, (and GR32:$src1, (loadi32 addr:$src2))),
1656 (implicit EFLAGS)]>;
1658 def AND8ri : Ii8<0x80, MRM4r,
1659 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1660 "and{b}\t{$src2, $dst|$dst, $src2}",
1661 [(set GR8:$dst, (and GR8:$src1, imm:$src2)),
1662 (implicit EFLAGS)]>;
1663 def AND16ri : Ii16<0x81, MRM4r,
1664 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1665 "and{w}\t{$src2, $dst|$dst, $src2}",
1666 [(set GR16:$dst, (and GR16:$src1, imm:$src2)),
1667 (implicit EFLAGS)]>, OpSize;
1668 def AND32ri : Ii32<0x81, MRM4r,
1669 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1670 "and{l}\t{$src2, $dst|$dst, $src2}",
1671 [(set GR32:$dst, (and GR32:$src1, imm:$src2)),
1672 (implicit EFLAGS)]>;
1673 def AND16ri8 : Ii8<0x83, MRM4r,
1674 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1675 "and{w}\t{$src2, $dst|$dst, $src2}",
1676 [(set GR16:$dst, (and GR16:$src1, i16immSExt8:$src2)),
1677 (implicit EFLAGS)]>,
1679 def AND32ri8 : Ii8<0x83, MRM4r,
1680 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1681 "and{l}\t{$src2, $dst|$dst, $src2}",
1682 [(set GR32:$dst, (and GR32:$src1, i32immSExt8:$src2)),
1683 (implicit EFLAGS)]>;
1685 let isTwoAddress = 0 in {
1686 def AND8mr : I<0x20, MRMDestMem,
1687 (outs), (ins i8mem :$dst, GR8 :$src),
1688 "and{b}\t{$src, $dst|$dst, $src}",
1689 [(store (and (load addr:$dst), GR8:$src), addr:$dst),
1690 (implicit EFLAGS)]>;
1691 def AND16mr : I<0x21, MRMDestMem,
1692 (outs), (ins i16mem:$dst, GR16:$src),
1693 "and{w}\t{$src, $dst|$dst, $src}",
1694 [(store (and (load addr:$dst), GR16:$src), addr:$dst),
1695 (implicit EFLAGS)]>,
1697 def AND32mr : I<0x21, MRMDestMem,
1698 (outs), (ins i32mem:$dst, GR32:$src),
1699 "and{l}\t{$src, $dst|$dst, $src}",
1700 [(store (and (load addr:$dst), GR32:$src), addr:$dst),
1701 (implicit EFLAGS)]>;
1702 def AND8mi : Ii8<0x80, MRM4m,
1703 (outs), (ins i8mem :$dst, i8imm :$src),
1704 "and{b}\t{$src, $dst|$dst, $src}",
1705 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
1706 (implicit EFLAGS)]>;
1707 def AND16mi : Ii16<0x81, MRM4m,
1708 (outs), (ins i16mem:$dst, i16imm:$src),
1709 "and{w}\t{$src, $dst|$dst, $src}",
1710 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
1711 (implicit EFLAGS)]>,
1713 def AND32mi : Ii32<0x81, MRM4m,
1714 (outs), (ins i32mem:$dst, i32imm:$src),
1715 "and{l}\t{$src, $dst|$dst, $src}",
1716 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
1717 (implicit EFLAGS)]>;
1718 def AND16mi8 : Ii8<0x83, MRM4m,
1719 (outs), (ins i16mem:$dst, i16i8imm :$src),
1720 "and{w}\t{$src, $dst|$dst, $src}",
1721 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
1722 (implicit EFLAGS)]>,
1724 def AND32mi8 : Ii8<0x83, MRM4m,
1725 (outs), (ins i32mem:$dst, i32i8imm :$src),
1726 "and{l}\t{$src, $dst|$dst, $src}",
1727 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
1728 (implicit EFLAGS)]>;
1730 def AND8i8 : Ii8<0x24, RawFrm, (outs), (ins i8imm:$src),
1731 "and{b}\t{$src, %al|%al, $src}", []>;
1732 def AND16i16 : Ii16<0x25, RawFrm, (outs), (ins i16imm:$src),
1733 "and{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1734 def AND32i32 : Ii32<0x25, RawFrm, (outs), (ins i32imm:$src),
1735 "and{l}\t{$src, %eax|%eax, $src}", []>;
1740 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1741 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1742 "or{b}\t{$src2, $dst|$dst, $src2}",
1743 [(set GR8:$dst, (or GR8:$src1, GR8:$src2)),
1744 (implicit EFLAGS)]>;
1745 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1746 "or{w}\t{$src2, $dst|$dst, $src2}",
1747 [(set GR16:$dst, (or GR16:$src1, GR16:$src2)),
1748 (implicit EFLAGS)]>, OpSize;
1749 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1750 "or{l}\t{$src2, $dst|$dst, $src2}",
1751 [(set GR32:$dst, (or GR32:$src1, GR32:$src2)),
1752 (implicit EFLAGS)]>;
1754 def OR8rm : I<0x0A, MRMSrcMem , (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1755 "or{b}\t{$src2, $dst|$dst, $src2}",
1756 [(set GR8:$dst, (or GR8:$src1, (load addr:$src2))),
1757 (implicit EFLAGS)]>;
1758 def OR16rm : I<0x0B, MRMSrcMem , (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1759 "or{w}\t{$src2, $dst|$dst, $src2}",
1760 [(set GR16:$dst, (or GR16:$src1, (load addr:$src2))),
1761 (implicit EFLAGS)]>, OpSize;
1762 def OR32rm : I<0x0B, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1763 "or{l}\t{$src2, $dst|$dst, $src2}",
1764 [(set GR32:$dst, (or GR32:$src1, (load addr:$src2))),
1765 (implicit EFLAGS)]>;
1767 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1768 "or{b}\t{$src2, $dst|$dst, $src2}",
1769 [(set GR8:$dst, (or GR8:$src1, imm:$src2)),
1770 (implicit EFLAGS)]>;
1771 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1772 "or{w}\t{$src2, $dst|$dst, $src2}",
1773 [(set GR16:$dst, (or GR16:$src1, imm:$src2)),
1774 (implicit EFLAGS)]>, OpSize;
1775 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1776 "or{l}\t{$src2, $dst|$dst, $src2}",
1777 [(set GR32:$dst, (or GR32:$src1, imm:$src2)),
1778 (implicit EFLAGS)]>;
1780 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1781 "or{w}\t{$src2, $dst|$dst, $src2}",
1782 [(set GR16:$dst, (or GR16:$src1, i16immSExt8:$src2)),
1783 (implicit EFLAGS)]>, OpSize;
1784 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1785 "or{l}\t{$src2, $dst|$dst, $src2}",
1786 [(set GR32:$dst, (or GR32:$src1, i32immSExt8:$src2)),
1787 (implicit EFLAGS)]>;
1788 let isTwoAddress = 0 in {
1789 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1790 "or{b}\t{$src, $dst|$dst, $src}",
1791 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
1792 (implicit EFLAGS)]>;
1793 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1794 "or{w}\t{$src, $dst|$dst, $src}",
1795 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
1796 (implicit EFLAGS)]>, OpSize;
1797 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1798 "or{l}\t{$src, $dst|$dst, $src}",
1799 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
1800 (implicit EFLAGS)]>;
1801 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1802 "or{b}\t{$src, $dst|$dst, $src}",
1803 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
1804 (implicit EFLAGS)]>;
1805 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
1806 "or{w}\t{$src, $dst|$dst, $src}",
1807 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
1808 (implicit EFLAGS)]>,
1810 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
1811 "or{l}\t{$src, $dst|$dst, $src}",
1812 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
1813 (implicit EFLAGS)]>;
1814 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
1815 "or{w}\t{$src, $dst|$dst, $src}",
1816 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
1817 (implicit EFLAGS)]>,
1819 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
1820 "or{l}\t{$src, $dst|$dst, $src}",
1821 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
1822 (implicit EFLAGS)]>;
1824 def OR8i8 : Ii8 <0x0C, RawFrm, (outs), (ins i8imm:$src),
1825 "or{b}\t{$src, %al|%al, $src}", []>;
1826 def OR16i16 : Ii16 <0x0D, RawFrm, (outs), (ins i16imm:$src),
1827 "or{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1828 def OR32i32 : Ii32 <0x0D, RawFrm, (outs), (ins i32imm:$src),
1829 "or{l}\t{$src, %eax|%eax, $src}", []>;
1830 } // isTwoAddress = 0
1833 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1834 def XOR8rr : I<0x30, MRMDestReg,
1835 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1836 "xor{b}\t{$src2, $dst|$dst, $src2}",
1837 [(set GR8:$dst, (xor GR8:$src1, GR8:$src2)),
1838 (implicit EFLAGS)]>;
1839 def XOR16rr : I<0x31, MRMDestReg,
1840 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1841 "xor{w}\t{$src2, $dst|$dst, $src2}",
1842 [(set GR16:$dst, (xor GR16:$src1, GR16:$src2)),
1843 (implicit EFLAGS)]>, OpSize;
1844 def XOR32rr : I<0x31, MRMDestReg,
1845 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1846 "xor{l}\t{$src2, $dst|$dst, $src2}",
1847 [(set GR32:$dst, (xor GR32:$src1, GR32:$src2)),
1848 (implicit EFLAGS)]>;
1849 } // isCommutable = 1
1851 def XOR8rm : I<0x32, MRMSrcMem ,
1852 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
1853 "xor{b}\t{$src2, $dst|$dst, $src2}",
1854 [(set GR8:$dst, (xor GR8:$src1, (load addr:$src2))),
1855 (implicit EFLAGS)]>;
1856 def XOR16rm : I<0x33, MRMSrcMem ,
1857 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1858 "xor{w}\t{$src2, $dst|$dst, $src2}",
1859 [(set GR16:$dst, (xor GR16:$src1, (load addr:$src2))),
1860 (implicit EFLAGS)]>,
1862 def XOR32rm : I<0x33, MRMSrcMem ,
1863 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1864 "xor{l}\t{$src2, $dst|$dst, $src2}",
1865 [(set GR32:$dst, (xor GR32:$src1, (load addr:$src2))),
1866 (implicit EFLAGS)]>;
1868 def XOR8ri : Ii8<0x80, MRM6r,
1869 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1870 "xor{b}\t{$src2, $dst|$dst, $src2}",
1871 [(set GR8:$dst, (xor GR8:$src1, imm:$src2)),
1872 (implicit EFLAGS)]>;
1873 def XOR16ri : Ii16<0x81, MRM6r,
1874 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1875 "xor{w}\t{$src2, $dst|$dst, $src2}",
1876 [(set GR16:$dst, (xor GR16:$src1, imm:$src2)),
1877 (implicit EFLAGS)]>, OpSize;
1878 def XOR32ri : Ii32<0x81, MRM6r,
1879 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1880 "xor{l}\t{$src2, $dst|$dst, $src2}",
1881 [(set GR32:$dst, (xor GR32:$src1, imm:$src2)),
1882 (implicit EFLAGS)]>;
1883 def XOR16ri8 : Ii8<0x83, MRM6r,
1884 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1885 "xor{w}\t{$src2, $dst|$dst, $src2}",
1886 [(set GR16:$dst, (xor GR16:$src1, i16immSExt8:$src2)),
1887 (implicit EFLAGS)]>,
1889 def XOR32ri8 : Ii8<0x83, MRM6r,
1890 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1891 "xor{l}\t{$src2, $dst|$dst, $src2}",
1892 [(set GR32:$dst, (xor GR32:$src1, i32immSExt8:$src2)),
1893 (implicit EFLAGS)]>;
1895 let isTwoAddress = 0 in {
1896 def XOR8mr : I<0x30, MRMDestMem,
1897 (outs), (ins i8mem :$dst, GR8 :$src),
1898 "xor{b}\t{$src, $dst|$dst, $src}",
1899 [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
1900 (implicit EFLAGS)]>;
1901 def XOR16mr : I<0x31, MRMDestMem,
1902 (outs), (ins i16mem:$dst, GR16:$src),
1903 "xor{w}\t{$src, $dst|$dst, $src}",
1904 [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
1905 (implicit EFLAGS)]>,
1907 def XOR32mr : I<0x31, MRMDestMem,
1908 (outs), (ins i32mem:$dst, GR32:$src),
1909 "xor{l}\t{$src, $dst|$dst, $src}",
1910 [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
1911 (implicit EFLAGS)]>;
1912 def XOR8mi : Ii8<0x80, MRM6m,
1913 (outs), (ins i8mem :$dst, i8imm :$src),
1914 "xor{b}\t{$src, $dst|$dst, $src}",
1915 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
1916 (implicit EFLAGS)]>;
1917 def XOR16mi : Ii16<0x81, MRM6m,
1918 (outs), (ins i16mem:$dst, i16imm:$src),
1919 "xor{w}\t{$src, $dst|$dst, $src}",
1920 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
1921 (implicit EFLAGS)]>,
1923 def XOR32mi : Ii32<0x81, MRM6m,
1924 (outs), (ins i32mem:$dst, i32imm:$src),
1925 "xor{l}\t{$src, $dst|$dst, $src}",
1926 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
1927 (implicit EFLAGS)]>;
1928 def XOR16mi8 : Ii8<0x83, MRM6m,
1929 (outs), (ins i16mem:$dst, i16i8imm :$src),
1930 "xor{w}\t{$src, $dst|$dst, $src}",
1931 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
1932 (implicit EFLAGS)]>,
1934 def XOR32mi8 : Ii8<0x83, MRM6m,
1935 (outs), (ins i32mem:$dst, i32i8imm :$src),
1936 "xor{l}\t{$src, $dst|$dst, $src}",
1937 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
1938 (implicit EFLAGS)]>;
1940 def XOR8i8 : Ii8 <0x34, RawFrm, (outs), (ins i8imm:$src),
1941 "xor{b}\t{$src, %al|%al, $src}", []>;
1942 def XOR16i16 : Ii16 <0x35, RawFrm, (outs), (ins i16imm:$src),
1943 "xor{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1944 def XOR32i32 : Ii32 <0x35, RawFrm, (outs), (ins i32imm:$src),
1945 "xor{l}\t{$src, %eax|%eax, $src}", []>;
1946 } // isTwoAddress = 0
1947 } // Defs = [EFLAGS]
1949 // Shift instructions
1950 let Defs = [EFLAGS] in {
1951 let Uses = [CL] in {
1952 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src),
1953 "shl{b}\t{%cl, $dst|$dst, CL}",
1954 [(set GR8:$dst, (shl GR8:$src, CL))]>;
1955 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src),
1956 "shl{w}\t{%cl, $dst|$dst, CL}",
1957 [(set GR16:$dst, (shl GR16:$src, CL))]>, OpSize;
1958 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src),
1959 "shl{l}\t{%cl, $dst|$dst, CL}",
1960 [(set GR32:$dst, (shl GR32:$src, CL))]>;
1963 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1964 "shl{b}\t{$src2, $dst|$dst, $src2}",
1965 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
1966 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1967 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1968 "shl{w}\t{$src2, $dst|$dst, $src2}",
1969 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1970 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1971 "shl{l}\t{$src2, $dst|$dst, $src2}",
1972 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
1973 // NOTE: We don't use shifts of a register by one, because 'add reg,reg' is
1975 } // isConvertibleToThreeAddress = 1
1977 let isTwoAddress = 0 in {
1978 let Uses = [CL] in {
1979 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
1980 "shl{b}\t{%cl, $dst|$dst, CL}",
1981 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
1982 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
1983 "shl{w}\t{%cl, $dst|$dst, CL}",
1984 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1985 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
1986 "shl{l}\t{%cl, $dst|$dst, CL}",
1987 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
1989 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
1990 "shl{b}\t{$src, $dst|$dst, $src}",
1991 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1992 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
1993 "shl{w}\t{$src, $dst|$dst, $src}",
1994 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1996 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
1997 "shl{l}\t{$src, $dst|$dst, $src}",
1998 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2001 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
2003 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2004 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
2006 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2008 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
2010 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2013 let Uses = [CL] in {
2014 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src),
2015 "shr{b}\t{%cl, $dst|$dst, CL}",
2016 [(set GR8:$dst, (srl GR8:$src, CL))]>;
2017 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src),
2018 "shr{w}\t{%cl, $dst|$dst, CL}",
2019 [(set GR16:$dst, (srl GR16:$src, CL))]>, OpSize;
2020 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src),
2021 "shr{l}\t{%cl, $dst|$dst, CL}",
2022 [(set GR32:$dst, (srl GR32:$src, CL))]>;
2025 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2026 "shr{b}\t{$src2, $dst|$dst, $src2}",
2027 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
2028 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2029 "shr{w}\t{$src2, $dst|$dst, $src2}",
2030 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2031 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2032 "shr{l}\t{$src2, $dst|$dst, $src2}",
2033 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
2036 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
2038 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
2039 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
2041 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
2042 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
2044 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
2046 let isTwoAddress = 0 in {
2047 let Uses = [CL] in {
2048 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
2049 "shr{b}\t{%cl, $dst|$dst, CL}",
2050 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
2051 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
2052 "shr{w}\t{%cl, $dst|$dst, CL}",
2053 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
2055 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
2056 "shr{l}\t{%cl, $dst|$dst, CL}",
2057 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
2059 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
2060 "shr{b}\t{$src, $dst|$dst, $src}",
2061 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2062 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
2063 "shr{w}\t{$src, $dst|$dst, $src}",
2064 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2066 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
2067 "shr{l}\t{$src, $dst|$dst, $src}",
2068 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2071 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
2073 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2074 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
2076 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
2077 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
2079 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2082 let Uses = [CL] in {
2083 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src),
2084 "sar{b}\t{%cl, $dst|$dst, CL}",
2085 [(set GR8:$dst, (sra GR8:$src, CL))]>;
2086 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src),
2087 "sar{w}\t{%cl, $dst|$dst, CL}",
2088 [(set GR16:$dst, (sra GR16:$src, CL))]>, OpSize;
2089 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src),
2090 "sar{l}\t{%cl, $dst|$dst, CL}",
2091 [(set GR32:$dst, (sra GR32:$src, CL))]>;
2094 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2095 "sar{b}\t{$src2, $dst|$dst, $src2}",
2096 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
2097 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2098 "sar{w}\t{$src2, $dst|$dst, $src2}",
2099 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
2101 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2102 "sar{l}\t{$src2, $dst|$dst, $src2}",
2103 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
2106 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
2108 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
2109 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
2111 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
2112 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
2114 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
2116 let isTwoAddress = 0 in {
2117 let Uses = [CL] in {
2118 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
2119 "sar{b}\t{%cl, $dst|$dst, CL}",
2120 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
2121 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
2122 "sar{w}\t{%cl, $dst|$dst, CL}",
2123 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2124 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
2125 "sar{l}\t{%cl, $dst|$dst, CL}",
2126 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
2128 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
2129 "sar{b}\t{$src, $dst|$dst, $src}",
2130 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2131 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
2132 "sar{w}\t{$src, $dst|$dst, $src}",
2133 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2135 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
2136 "sar{l}\t{$src, $dst|$dst, $src}",
2137 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2140 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
2142 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2143 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
2145 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2147 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
2149 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2152 // Rotate instructions
2153 // FIXME: provide shorter instructions when imm8 == 1
2154 let Uses = [CL] in {
2155 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),
2156 "rol{b}\t{%cl, $dst|$dst, CL}",
2157 [(set GR8:$dst, (rotl GR8:$src, CL))]>;
2158 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src),
2159 "rol{w}\t{%cl, $dst|$dst, CL}",
2160 [(set GR16:$dst, (rotl GR16:$src, CL))]>, OpSize;
2161 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src),
2162 "rol{l}\t{%cl, $dst|$dst, CL}",
2163 [(set GR32:$dst, (rotl GR32:$src, CL))]>;
2166 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2167 "rol{b}\t{$src2, $dst|$dst, $src2}",
2168 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
2169 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2170 "rol{w}\t{$src2, $dst|$dst, $src2}",
2171 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2172 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2173 "rol{l}\t{$src2, $dst|$dst, $src2}",
2174 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
2177 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
2179 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
2180 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
2182 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
2183 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
2185 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
2187 let isTwoAddress = 0 in {
2188 let Uses = [CL] in {
2189 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
2190 "rol{b}\t{%cl, $dst|$dst, CL}",
2191 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
2192 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
2193 "rol{w}\t{%cl, $dst|$dst, CL}",
2194 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2195 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
2196 "rol{l}\t{%cl, $dst|$dst, CL}",
2197 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
2199 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
2200 "rol{b}\t{$src, $dst|$dst, $src}",
2201 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2202 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
2203 "rol{w}\t{$src, $dst|$dst, $src}",
2204 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2206 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
2207 "rol{l}\t{$src, $dst|$dst, $src}",
2208 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2211 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
2213 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2214 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
2216 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2218 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
2220 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2223 let Uses = [CL] in {
2224 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),
2225 "ror{b}\t{%cl, $dst|$dst, CL}",
2226 [(set GR8:$dst, (rotr GR8:$src, CL))]>;
2227 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src),
2228 "ror{w}\t{%cl, $dst|$dst, CL}",
2229 [(set GR16:$dst, (rotr GR16:$src, CL))]>, OpSize;
2230 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src),
2231 "ror{l}\t{%cl, $dst|$dst, CL}",
2232 [(set GR32:$dst, (rotr GR32:$src, CL))]>;
2235 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2236 "ror{b}\t{$src2, $dst|$dst, $src2}",
2237 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
2238 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2239 "ror{w}\t{$src2, $dst|$dst, $src2}",
2240 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2241 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2242 "ror{l}\t{$src2, $dst|$dst, $src2}",
2243 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
2246 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2248 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
2249 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2251 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
2252 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2254 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
2256 let isTwoAddress = 0 in {
2257 let Uses = [CL] in {
2258 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
2259 "ror{b}\t{%cl, $dst|$dst, CL}",
2260 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
2261 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
2262 "ror{w}\t{%cl, $dst|$dst, CL}",
2263 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2264 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
2265 "ror{l}\t{%cl, $dst|$dst, CL}",
2266 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
2268 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2269 "ror{b}\t{$src, $dst|$dst, $src}",
2270 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2271 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
2272 "ror{w}\t{$src, $dst|$dst, $src}",
2273 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2275 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
2276 "ror{l}\t{$src, $dst|$dst, $src}",
2277 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2280 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
2282 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2283 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
2285 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2287 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
2289 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2294 // Double shift instructions (generalizations of rotate)
2295 let Uses = [CL] in {
2296 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2297 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2298 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
2299 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2300 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2301 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
2302 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2303 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2304 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
2306 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2307 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2308 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
2312 let isCommutable = 1 in { // These instructions commute to each other.
2313 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
2314 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2315 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2316 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
2319 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
2320 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2321 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2322 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
2325 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
2326 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2327 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2328 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
2331 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
2332 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2333 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2334 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
2339 let isTwoAddress = 0 in {
2340 let Uses = [CL] in {
2341 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2342 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2343 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
2345 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2346 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2347 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
2350 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
2351 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2352 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2353 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
2354 (i8 imm:$src3)), addr:$dst)]>,
2356 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
2357 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2358 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2359 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
2360 (i8 imm:$src3)), addr:$dst)]>,
2363 let Uses = [CL] in {
2364 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2365 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2366 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
2367 addr:$dst)]>, TB, OpSize;
2368 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2369 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2370 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
2371 addr:$dst)]>, TB, OpSize;
2373 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
2374 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2375 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2376 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
2377 (i8 imm:$src3)), addr:$dst)]>,
2379 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
2380 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2381 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2382 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
2383 (i8 imm:$src3)), addr:$dst)]>,
2386 } // Defs = [EFLAGS]
2390 let Defs = [EFLAGS] in {
2391 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
2392 // Register-Register Addition
2393 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
2394 (ins GR8 :$src1, GR8 :$src2),
2395 "add{b}\t{$src2, $dst|$dst, $src2}",
2396 [(set GR8:$dst, (add GR8:$src1, GR8:$src2)),
2397 (implicit EFLAGS)]>;
2399 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2400 // Register-Register Addition
2401 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
2402 (ins GR16:$src1, GR16:$src2),
2403 "add{w}\t{$src2, $dst|$dst, $src2}",
2404 [(set GR16:$dst, (add GR16:$src1, GR16:$src2)),
2405 (implicit EFLAGS)]>, OpSize;
2406 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
2407 (ins GR32:$src1, GR32:$src2),
2408 "add{l}\t{$src2, $dst|$dst, $src2}",
2409 [(set GR32:$dst, (add GR32:$src1, GR32:$src2)),
2410 (implicit EFLAGS)]>;
2411 } // end isConvertibleToThreeAddress
2412 } // end isCommutable
2414 // Register-Memory Addition
2415 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
2416 (ins GR8 :$src1, i8mem :$src2),
2417 "add{b}\t{$src2, $dst|$dst, $src2}",
2418 [(set GR8:$dst, (add GR8:$src1, (load addr:$src2))),
2419 (implicit EFLAGS)]>;
2420 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
2421 (ins GR16:$src1, i16mem:$src2),
2422 "add{w}\t{$src2, $dst|$dst, $src2}",
2423 [(set GR16:$dst, (add GR16:$src1, (load addr:$src2))),
2424 (implicit EFLAGS)]>, OpSize;
2425 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
2426 (ins GR32:$src1, i32mem:$src2),
2427 "add{l}\t{$src2, $dst|$dst, $src2}",
2428 [(set GR32:$dst, (add GR32:$src1, (load addr:$src2))),
2429 (implicit EFLAGS)]>;
2431 // Register-Integer Addition
2432 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2433 "add{b}\t{$src2, $dst|$dst, $src2}",
2434 [(set GR8:$dst, (add GR8:$src1, imm:$src2)),
2435 (implicit EFLAGS)]>;
2437 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2438 // Register-Integer Addition
2439 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
2440 (ins GR16:$src1, i16imm:$src2),
2441 "add{w}\t{$src2, $dst|$dst, $src2}",
2442 [(set GR16:$dst, (add GR16:$src1, imm:$src2)),
2443 (implicit EFLAGS)]>, OpSize;
2444 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2445 (ins GR32:$src1, i32imm:$src2),
2446 "add{l}\t{$src2, $dst|$dst, $src2}",
2447 [(set GR32:$dst, (add GR32:$src1, imm:$src2)),
2448 (implicit EFLAGS)]>;
2449 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2450 (ins GR16:$src1, i16i8imm:$src2),
2451 "add{w}\t{$src2, $dst|$dst, $src2}",
2452 [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2)),
2453 (implicit EFLAGS)]>, OpSize;
2454 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2455 (ins GR32:$src1, i32i8imm:$src2),
2456 "add{l}\t{$src2, $dst|$dst, $src2}",
2457 [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2)),
2458 (implicit EFLAGS)]>;
2461 let isTwoAddress = 0 in {
2462 // Memory-Register Addition
2463 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2464 "add{b}\t{$src2, $dst|$dst, $src2}",
2465 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2466 (implicit EFLAGS)]>;
2467 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2468 "add{w}\t{$src2, $dst|$dst, $src2}",
2469 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2470 (implicit EFLAGS)]>, OpSize;
2471 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2472 "add{l}\t{$src2, $dst|$dst, $src2}",
2473 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2474 (implicit EFLAGS)]>;
2475 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2476 "add{b}\t{$src2, $dst|$dst, $src2}",
2477 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2478 (implicit EFLAGS)]>;
2479 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2480 "add{w}\t{$src2, $dst|$dst, $src2}",
2481 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2482 (implicit EFLAGS)]>, OpSize;
2483 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2484 "add{l}\t{$src2, $dst|$dst, $src2}",
2485 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2486 (implicit EFLAGS)]>;
2487 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2488 "add{w}\t{$src2, $dst|$dst, $src2}",
2489 [(store (add (load addr:$dst), i16immSExt8:$src2),
2491 (implicit EFLAGS)]>, OpSize;
2492 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2493 "add{l}\t{$src2, $dst|$dst, $src2}",
2494 [(store (add (load addr:$dst), i32immSExt8:$src2),
2496 (implicit EFLAGS)]>;
2499 def ADD8i8 : Ii8<0x04, RawFrm, (outs), (ins i8imm:$src),
2500 "add{b}\t{$src, %al|%al, $src}", []>;
2501 def ADD16i16 : Ii16<0x05, RawFrm, (outs), (ins i16imm:$src),
2502 "add{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2503 def ADD32i32 : Ii32<0x05, RawFrm, (outs), (ins i32imm:$src),
2504 "add{l}\t{$src, %eax|%eax, $src}", []>;
2507 let Uses = [EFLAGS] in {
2508 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2509 def ADC8rr : I<0x10, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2510 "adc{b}\t{$src2, $dst|$dst, $src2}",
2511 [(set GR8:$dst, (adde GR8:$src1, GR8:$src2))]>;
2512 def ADC16rr : I<0x11, MRMDestReg, (outs GR16:$dst),
2513 (ins GR16:$src1, GR16:$src2),
2514 "adc{w}\t{$src2, $dst|$dst, $src2}",
2515 [(set GR16:$dst, (adde GR16:$src1, GR16:$src2))]>, OpSize;
2516 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst),
2517 (ins GR32:$src1, GR32:$src2),
2518 "adc{l}\t{$src2, $dst|$dst, $src2}",
2519 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2521 def ADC8rm : I<0x12, MRMSrcMem , (outs GR8:$dst),
2522 (ins GR8:$src1, i8mem:$src2),
2523 "adc{b}\t{$src2, $dst|$dst, $src2}",
2524 [(set GR8:$dst, (adde GR8:$src1, (load addr:$src2)))]>;
2525 def ADC16rm : I<0x13, MRMSrcMem , (outs GR16:$dst),
2526 (ins GR16:$src1, i16mem:$src2),
2527 "adc{w}\t{$src2, $dst|$dst, $src2}",
2528 [(set GR16:$dst, (adde GR16:$src1, (load addr:$src2)))]>,
2530 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst),
2531 (ins GR32:$src1, i32mem:$src2),
2532 "adc{l}\t{$src2, $dst|$dst, $src2}",
2533 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2534 def ADC8ri : Ii8<0x80, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2535 "adc{b}\t{$src2, $dst|$dst, $src2}",
2536 [(set GR8:$dst, (adde GR8:$src1, imm:$src2))]>;
2537 def ADC16ri : Ii16<0x81, MRM2r, (outs GR16:$dst),
2538 (ins GR16:$src1, i16imm:$src2),
2539 "adc{w}\t{$src2, $dst|$dst, $src2}",
2540 [(set GR16:$dst, (adde GR16:$src1, imm:$src2))]>, OpSize;
2541 def ADC16ri8 : Ii8<0x83, MRM2r, (outs GR16:$dst),
2542 (ins GR16:$src1, i16i8imm:$src2),
2543 "adc{w}\t{$src2, $dst|$dst, $src2}",
2544 [(set GR16:$dst, (adde GR16:$src1, i16immSExt8:$src2))]>,
2546 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst),
2547 (ins GR32:$src1, i32imm:$src2),
2548 "adc{l}\t{$src2, $dst|$dst, $src2}",
2549 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2550 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst),
2551 (ins GR32:$src1, i32i8imm:$src2),
2552 "adc{l}\t{$src2, $dst|$dst, $src2}",
2553 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2555 let isTwoAddress = 0 in {
2556 def ADC8mr : I<0x10, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2557 "adc{b}\t{$src2, $dst|$dst, $src2}",
2558 [(store (adde (load addr:$dst), GR8:$src2), addr:$dst)]>;
2559 def ADC16mr : I<0x11, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2560 "adc{w}\t{$src2, $dst|$dst, $src2}",
2561 [(store (adde (load addr:$dst), GR16:$src2), addr:$dst)]>,
2563 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2564 "adc{l}\t{$src2, $dst|$dst, $src2}",
2565 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2566 def ADC8mi : Ii8<0x80, MRM2m, (outs), (ins i8mem:$dst, i8imm:$src2),
2567 "adc{b}\t{$src2, $dst|$dst, $src2}",
2568 [(store (adde (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2569 def ADC16mi : Ii16<0x81, MRM2m, (outs), (ins i16mem:$dst, i16imm:$src2),
2570 "adc{w}\t{$src2, $dst|$dst, $src2}",
2571 [(store (adde (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2573 def ADC16mi8 : Ii8<0x83, MRM2m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2574 "adc{w}\t{$src2, $dst|$dst, $src2}",
2575 [(store (adde (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2577 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2578 "adc{l}\t{$src2, $dst|$dst, $src2}",
2579 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2580 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2581 "adc{l}\t{$src2, $dst|$dst, $src2}",
2582 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2584 def ADC8i8 : Ii8<0x14, RawFrm, (outs), (ins i8imm:$src),
2585 "adc{b}\t{$src, %al|%al, $src}", []>;
2586 def ADC16i16 : Ii16<0x15, RawFrm, (outs), (ins i16imm:$src),
2587 "adc{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2588 def ADC32i32 : Ii32<0x15, RawFrm, (outs), (ins i32imm:$src),
2589 "adc{l}\t{$src, %eax|%eax, $src}", []>;
2591 } // Uses = [EFLAGS]
2593 // Register-Register Subtraction
2594 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2595 "sub{b}\t{$src2, $dst|$dst, $src2}",
2596 [(set GR8:$dst, (sub GR8:$src1, GR8:$src2)),
2597 (implicit EFLAGS)]>;
2598 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2599 "sub{w}\t{$src2, $dst|$dst, $src2}",
2600 [(set GR16:$dst, (sub GR16:$src1, GR16:$src2)),
2601 (implicit EFLAGS)]>, OpSize;
2602 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2603 "sub{l}\t{$src2, $dst|$dst, $src2}",
2604 [(set GR32:$dst, (sub GR32:$src1, GR32:$src2)),
2605 (implicit EFLAGS)]>;
2607 // Register-Memory Subtraction
2608 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
2609 (ins GR8 :$src1, i8mem :$src2),
2610 "sub{b}\t{$src2, $dst|$dst, $src2}",
2611 [(set GR8:$dst, (sub GR8:$src1, (load addr:$src2))),
2612 (implicit EFLAGS)]>;
2613 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
2614 (ins GR16:$src1, i16mem:$src2),
2615 "sub{w}\t{$src2, $dst|$dst, $src2}",
2616 [(set GR16:$dst, (sub GR16:$src1, (load addr:$src2))),
2617 (implicit EFLAGS)]>, OpSize;
2618 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
2619 (ins GR32:$src1, i32mem:$src2),
2620 "sub{l}\t{$src2, $dst|$dst, $src2}",
2621 [(set GR32:$dst, (sub GR32:$src1, (load addr:$src2))),
2622 (implicit EFLAGS)]>;
2624 // Register-Integer Subtraction
2625 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
2626 (ins GR8:$src1, i8imm:$src2),
2627 "sub{b}\t{$src2, $dst|$dst, $src2}",
2628 [(set GR8:$dst, (sub GR8:$src1, imm:$src2)),
2629 (implicit EFLAGS)]>;
2630 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
2631 (ins GR16:$src1, i16imm:$src2),
2632 "sub{w}\t{$src2, $dst|$dst, $src2}",
2633 [(set GR16:$dst, (sub GR16:$src1, imm:$src2)),
2634 (implicit EFLAGS)]>, OpSize;
2635 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
2636 (ins GR32:$src1, i32imm:$src2),
2637 "sub{l}\t{$src2, $dst|$dst, $src2}",
2638 [(set GR32:$dst, (sub GR32:$src1, imm:$src2)),
2639 (implicit EFLAGS)]>;
2640 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
2641 (ins GR16:$src1, i16i8imm:$src2),
2642 "sub{w}\t{$src2, $dst|$dst, $src2}",
2643 [(set GR16:$dst, (sub GR16:$src1, i16immSExt8:$src2)),
2644 (implicit EFLAGS)]>, OpSize;
2645 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
2646 (ins GR32:$src1, i32i8imm:$src2),
2647 "sub{l}\t{$src2, $dst|$dst, $src2}",
2648 [(set GR32:$dst, (sub GR32:$src1, i32immSExt8:$src2)),
2649 (implicit EFLAGS)]>;
2651 let isTwoAddress = 0 in {
2652 // Memory-Register Subtraction
2653 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
2654 "sub{b}\t{$src2, $dst|$dst, $src2}",
2655 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
2656 (implicit EFLAGS)]>;
2657 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2658 "sub{w}\t{$src2, $dst|$dst, $src2}",
2659 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
2660 (implicit EFLAGS)]>, OpSize;
2661 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2662 "sub{l}\t{$src2, $dst|$dst, $src2}",
2663 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
2664 (implicit EFLAGS)]>;
2666 // Memory-Integer Subtraction
2667 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
2668 "sub{b}\t{$src2, $dst|$dst, $src2}",
2669 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
2670 (implicit EFLAGS)]>;
2671 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
2672 "sub{w}\t{$src2, $dst|$dst, $src2}",
2673 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
2674 (implicit EFLAGS)]>, OpSize;
2675 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
2676 "sub{l}\t{$src2, $dst|$dst, $src2}",
2677 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
2678 (implicit EFLAGS)]>;
2679 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2680 "sub{w}\t{$src2, $dst|$dst, $src2}",
2681 [(store (sub (load addr:$dst), i16immSExt8:$src2),
2683 (implicit EFLAGS)]>, OpSize;
2684 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2685 "sub{l}\t{$src2, $dst|$dst, $src2}",
2686 [(store (sub (load addr:$dst), i32immSExt8:$src2),
2688 (implicit EFLAGS)]>;
2690 def SUB8i8 : Ii8<0x2C, RawFrm, (outs), (ins i8imm:$src),
2691 "sub{b}\t{$src, %al|%al, $src}", []>;
2692 def SUB16i16 : Ii16<0x2D, RawFrm, (outs), (ins i16imm:$src),
2693 "sub{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2694 def SUB32i32 : Ii32<0x2D, RawFrm, (outs), (ins i32imm:$src),
2695 "sub{l}\t{$src, %eax|%eax, $src}", []>;
2698 let Uses = [EFLAGS] in {
2699 def SBB8rr : I<0x18, MRMDestReg, (outs GR8:$dst),
2700 (ins GR8:$src1, GR8:$src2),
2701 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2702 [(set GR8:$dst, (sube GR8:$src1, GR8:$src2))]>;
2703 def SBB16rr : I<0x19, MRMDestReg, (outs GR16:$dst),
2704 (ins GR16:$src1, GR16:$src2),
2705 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2706 [(set GR16:$dst, (sube GR16:$src1, GR16:$src2))]>, OpSize;
2707 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst),
2708 (ins GR32:$src1, GR32:$src2),
2709 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2710 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
2712 let isTwoAddress = 0 in {
2713 def SBB8mr : I<0x18, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2714 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2715 [(store (sube (load addr:$dst), GR8:$src2), addr:$dst)]>;
2716 def SBB16mr : I<0x19, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2717 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2718 [(store (sube (load addr:$dst), GR16:$src2), addr:$dst)]>,
2720 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2721 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2722 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
2723 def SBB8mi : Ii32<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
2724 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2725 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2726 def SBB16mi : Ii16<0x81, MRM3m, (outs), (ins i16mem:$dst, i16imm:$src2),
2727 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2728 [(store (sube (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2730 def SBB16mi8 : Ii8<0x83, MRM3m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2731 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2732 [(store (sube (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2734 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
2735 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2736 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2737 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2738 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2739 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2741 def SBB8i8 : Ii8<0x1C, RawFrm, (outs), (ins i8imm:$src),
2742 "sbb{b}\t{$src, %al|%al, $src}", []>;
2743 def SBB16i16 : Ii16<0x1D, RawFrm, (outs), (ins i16imm:$src),
2744 "sbb{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2745 def SBB32i32 : Ii32<0x1D, RawFrm, (outs), (ins i32imm:$src),
2746 "sbb{l}\t{$src, %eax|%eax, $src}", []>;
2748 def SBB8rm : I<0x1A, MRMSrcMem, (outs GR8:$dst), (ins GR8:$src1, i8mem:$src2),
2749 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2750 [(set GR8:$dst, (sube GR8:$src1, (load addr:$src2)))]>;
2751 def SBB16rm : I<0x1B, MRMSrcMem, (outs GR16:$dst),
2752 (ins GR16:$src1, i16mem:$src2),
2753 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2754 [(set GR16:$dst, (sube GR16:$src1, (load addr:$src2)))]>,
2756 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst),
2757 (ins GR32:$src1, i32mem:$src2),
2758 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2759 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
2760 def SBB8ri : Ii8<0x80, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2761 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2762 [(set GR8:$dst, (sube GR8:$src1, imm:$src2))]>;
2763 def SBB16ri : Ii16<0x81, MRM3r, (outs GR16:$dst),
2764 (ins GR16:$src1, i16imm:$src2),
2765 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2766 [(set GR16:$dst, (sube GR16:$src1, imm:$src2))]>, OpSize;
2767 def SBB16ri8 : Ii8<0x83, MRM3r, (outs GR16:$dst),
2768 (ins GR16:$src1, i16i8imm:$src2),
2769 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2770 [(set GR16:$dst, (sube GR16:$src1, i16immSExt8:$src2))]>,
2772 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst),
2773 (ins GR32:$src1, i32imm:$src2),
2774 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2775 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
2776 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst),
2777 (ins GR32:$src1, i32i8imm:$src2),
2778 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2779 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
2780 } // Uses = [EFLAGS]
2781 } // Defs = [EFLAGS]
2783 let Defs = [EFLAGS] in {
2784 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
2785 // Register-Register Signed Integer Multiply
2786 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2787 "imul{w}\t{$src2, $dst|$dst, $src2}",
2788 [(set GR16:$dst, (mul GR16:$src1, GR16:$src2)),
2789 (implicit EFLAGS)]>, TB, OpSize;
2790 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2791 "imul{l}\t{$src2, $dst|$dst, $src2}",
2792 [(set GR32:$dst, (mul GR32:$src1, GR32:$src2)),
2793 (implicit EFLAGS)]>, TB;
2796 // Register-Memory Signed Integer Multiply
2797 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
2798 (ins GR16:$src1, i16mem:$src2),
2799 "imul{w}\t{$src2, $dst|$dst, $src2}",
2800 [(set GR16:$dst, (mul GR16:$src1, (load addr:$src2))),
2801 (implicit EFLAGS)]>, TB, OpSize;
2802 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2803 "imul{l}\t{$src2, $dst|$dst, $src2}",
2804 [(set GR32:$dst, (mul GR32:$src1, (load addr:$src2))),
2805 (implicit EFLAGS)]>, TB;
2806 } // Defs = [EFLAGS]
2807 } // end Two Address instructions
2809 // Suprisingly enough, these are not two address instructions!
2810 let Defs = [EFLAGS] in {
2811 // Register-Integer Signed Integer Multiply
2812 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
2813 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2814 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2815 [(set GR16:$dst, (mul GR16:$src1, imm:$src2)),
2816 (implicit EFLAGS)]>, OpSize;
2817 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
2818 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2819 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2820 [(set GR32:$dst, (mul GR32:$src1, imm:$src2)),
2821 (implicit EFLAGS)]>;
2822 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
2823 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2824 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2825 [(set GR16:$dst, (mul GR16:$src1, i16immSExt8:$src2)),
2826 (implicit EFLAGS)]>, OpSize;
2827 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
2828 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2829 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2830 [(set GR32:$dst, (mul GR32:$src1, i32immSExt8:$src2)),
2831 (implicit EFLAGS)]>;
2833 // Memory-Integer Signed Integer Multiply
2834 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
2835 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
2836 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2837 [(set GR16:$dst, (mul (load addr:$src1), imm:$src2)),
2838 (implicit EFLAGS)]>, OpSize;
2839 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
2840 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
2841 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2842 [(set GR32:$dst, (mul (load addr:$src1), imm:$src2)),
2843 (implicit EFLAGS)]>;
2844 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
2845 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
2846 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2847 [(set GR16:$dst, (mul (load addr:$src1),
2848 i16immSExt8:$src2)),
2849 (implicit EFLAGS)]>, OpSize;
2850 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
2851 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
2852 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2853 [(set GR32:$dst, (mul (load addr:$src1),
2854 i32immSExt8:$src2)),
2855 (implicit EFLAGS)]>;
2856 } // Defs = [EFLAGS]
2858 //===----------------------------------------------------------------------===//
2859 // Test instructions are just like AND, except they don't generate a result.
2861 let Defs = [EFLAGS] in {
2862 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
2863 def TEST8rr : I<0x84, MRMDestReg, (outs), (ins GR8:$src1, GR8:$src2),
2864 "test{b}\t{$src2, $src1|$src1, $src2}",
2865 [(X86cmp (and_su GR8:$src1, GR8:$src2), 0),
2866 (implicit EFLAGS)]>;
2867 def TEST16rr : I<0x85, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2868 "test{w}\t{$src2, $src1|$src1, $src2}",
2869 [(X86cmp (and_su GR16:$src1, GR16:$src2), 0),
2870 (implicit EFLAGS)]>,
2872 def TEST32rr : I<0x85, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2873 "test{l}\t{$src2, $src1|$src1, $src2}",
2874 [(X86cmp (and_su GR32:$src1, GR32:$src2), 0),
2875 (implicit EFLAGS)]>;
2878 def TEST8i8 : Ii8<0xA8, RawFrm, (outs), (ins i8imm:$src),
2879 "test{b}\t{$src, %al|%al, $src}", []>;
2880 def TEST16i16 : Ii16<0xA9, RawFrm, (outs), (ins i16imm:$src),
2881 "test{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2882 def TEST32i32 : Ii32<0xA9, RawFrm, (outs), (ins i32imm:$src),
2883 "test{l}\t{$src, %eax|%eax, $src}", []>;
2885 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
2886 "test{b}\t{$src2, $src1|$src1, $src2}",
2887 [(X86cmp (and GR8:$src1, (loadi8 addr:$src2)), 0),
2888 (implicit EFLAGS)]>;
2889 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
2890 "test{w}\t{$src2, $src1|$src1, $src2}",
2891 [(X86cmp (and GR16:$src1, (loadi16 addr:$src2)), 0),
2892 (implicit EFLAGS)]>, OpSize;
2893 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
2894 "test{l}\t{$src2, $src1|$src1, $src2}",
2895 [(X86cmp (and GR32:$src1, (loadi32 addr:$src2)), 0),
2896 (implicit EFLAGS)]>;
2898 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
2899 (outs), (ins GR8:$src1, i8imm:$src2),
2900 "test{b}\t{$src2, $src1|$src1, $src2}",
2901 [(X86cmp (and_su GR8:$src1, imm:$src2), 0),
2902 (implicit EFLAGS)]>;
2903 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
2904 (outs), (ins GR16:$src1, i16imm:$src2),
2905 "test{w}\t{$src2, $src1|$src1, $src2}",
2906 [(X86cmp (and_su GR16:$src1, imm:$src2), 0),
2907 (implicit EFLAGS)]>, OpSize;
2908 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
2909 (outs), (ins GR32:$src1, i32imm:$src2),
2910 "test{l}\t{$src2, $src1|$src1, $src2}",
2911 [(X86cmp (and_su GR32:$src1, imm:$src2), 0),
2912 (implicit EFLAGS)]>;
2914 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
2915 (outs), (ins i8mem:$src1, i8imm:$src2),
2916 "test{b}\t{$src2, $src1|$src1, $src2}",
2917 [(X86cmp (and (loadi8 addr:$src1), imm:$src2), 0),
2918 (implicit EFLAGS)]>;
2919 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
2920 (outs), (ins i16mem:$src1, i16imm:$src2),
2921 "test{w}\t{$src2, $src1|$src1, $src2}",
2922 [(X86cmp (and (loadi16 addr:$src1), imm:$src2), 0),
2923 (implicit EFLAGS)]>, OpSize;
2924 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2925 (outs), (ins i32mem:$src1, i32imm:$src2),
2926 "test{l}\t{$src2, $src1|$src1, $src2}",
2927 [(X86cmp (and (loadi32 addr:$src1), imm:$src2), 0),
2928 (implicit EFLAGS)]>;
2929 } // Defs = [EFLAGS]
2932 // Condition code ops, incl. set if equal/not equal/...
2933 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
2934 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
2935 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
2936 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
2938 let Uses = [EFLAGS] in {
2939 def SETEr : I<0x94, MRM0r,
2940 (outs GR8 :$dst), (ins),
2942 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
2944 def SETEm : I<0x94, MRM0m,
2945 (outs), (ins i8mem:$dst),
2947 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
2950 def SETNEr : I<0x95, MRM0r,
2951 (outs GR8 :$dst), (ins),
2953 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
2955 def SETNEm : I<0x95, MRM0m,
2956 (outs), (ins i8mem:$dst),
2958 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
2961 def SETLr : I<0x9C, MRM0r,
2962 (outs GR8 :$dst), (ins),
2964 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
2965 TB; // GR8 = < signed
2966 def SETLm : I<0x9C, MRM0m,
2967 (outs), (ins i8mem:$dst),
2969 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
2970 TB; // [mem8] = < signed
2972 def SETGEr : I<0x9D, MRM0r,
2973 (outs GR8 :$dst), (ins),
2975 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
2976 TB; // GR8 = >= signed
2977 def SETGEm : I<0x9D, MRM0m,
2978 (outs), (ins i8mem:$dst),
2980 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
2981 TB; // [mem8] = >= signed
2983 def SETLEr : I<0x9E, MRM0r,
2984 (outs GR8 :$dst), (ins),
2986 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
2987 TB; // GR8 = <= signed
2988 def SETLEm : I<0x9E, MRM0m,
2989 (outs), (ins i8mem:$dst),
2991 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
2992 TB; // [mem8] = <= signed
2994 def SETGr : I<0x9F, MRM0r,
2995 (outs GR8 :$dst), (ins),
2997 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
2998 TB; // GR8 = > signed
2999 def SETGm : I<0x9F, MRM0m,
3000 (outs), (ins i8mem:$dst),
3002 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
3003 TB; // [mem8] = > signed
3005 def SETBr : I<0x92, MRM0r,
3006 (outs GR8 :$dst), (ins),
3008 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
3009 TB; // GR8 = < unsign
3010 def SETBm : I<0x92, MRM0m,
3011 (outs), (ins i8mem:$dst),
3013 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
3014 TB; // [mem8] = < unsign
3016 def SETAEr : I<0x93, MRM0r,
3017 (outs GR8 :$dst), (ins),
3019 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
3020 TB; // GR8 = >= unsign
3021 def SETAEm : I<0x93, MRM0m,
3022 (outs), (ins i8mem:$dst),
3024 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
3025 TB; // [mem8] = >= unsign
3027 def SETBEr : I<0x96, MRM0r,
3028 (outs GR8 :$dst), (ins),
3030 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
3031 TB; // GR8 = <= unsign
3032 def SETBEm : I<0x96, MRM0m,
3033 (outs), (ins i8mem:$dst),
3035 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
3036 TB; // [mem8] = <= unsign
3038 def SETAr : I<0x97, MRM0r,
3039 (outs GR8 :$dst), (ins),
3041 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
3042 TB; // GR8 = > signed
3043 def SETAm : I<0x97, MRM0m,
3044 (outs), (ins i8mem:$dst),
3046 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
3047 TB; // [mem8] = > signed
3049 def SETSr : I<0x98, MRM0r,
3050 (outs GR8 :$dst), (ins),
3052 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
3053 TB; // GR8 = <sign bit>
3054 def SETSm : I<0x98, MRM0m,
3055 (outs), (ins i8mem:$dst),
3057 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
3058 TB; // [mem8] = <sign bit>
3059 def SETNSr : I<0x99, MRM0r,
3060 (outs GR8 :$dst), (ins),
3062 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
3063 TB; // GR8 = !<sign bit>
3064 def SETNSm : I<0x99, MRM0m,
3065 (outs), (ins i8mem:$dst),
3067 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
3068 TB; // [mem8] = !<sign bit>
3070 def SETPr : I<0x9A, MRM0r,
3071 (outs GR8 :$dst), (ins),
3073 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
3075 def SETPm : I<0x9A, MRM0m,
3076 (outs), (ins i8mem:$dst),
3078 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
3079 TB; // [mem8] = parity
3080 def SETNPr : I<0x9B, MRM0r,
3081 (outs GR8 :$dst), (ins),
3083 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
3084 TB; // GR8 = not parity
3085 def SETNPm : I<0x9B, MRM0m,
3086 (outs), (ins i8mem:$dst),
3088 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
3089 TB; // [mem8] = not parity
3091 def SETOr : I<0x90, MRM0r,
3092 (outs GR8 :$dst), (ins),
3094 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
3095 TB; // GR8 = overflow
3096 def SETOm : I<0x90, MRM0m,
3097 (outs), (ins i8mem:$dst),
3099 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
3100 TB; // [mem8] = overflow
3101 def SETNOr : I<0x91, MRM0r,
3102 (outs GR8 :$dst), (ins),
3104 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
3105 TB; // GR8 = not overflow
3106 def SETNOm : I<0x91, MRM0m,
3107 (outs), (ins i8mem:$dst),
3109 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
3110 TB; // [mem8] = not overflow
3111 } // Uses = [EFLAGS]
3114 // Integer comparisons
3115 let Defs = [EFLAGS] in {
3116 def CMP8i8 : Ii8<0x3C, RawFrm, (outs), (ins i8imm:$src),
3117 "cmp{b}\t{$src, %al|%al, $src}", []>;
3118 def CMP16i16 : Ii16<0x3D, RawFrm, (outs), (ins i16imm:$src),
3119 "cmp{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3120 def CMP32i32 : Ii32<0x3D, RawFrm, (outs), (ins i32imm:$src),
3121 "cmp{l}\t{$src, %eax|%eax, $src}", []>;
3123 def CMP8rr : I<0x38, MRMDestReg,
3124 (outs), (ins GR8 :$src1, GR8 :$src2),
3125 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3126 [(X86cmp GR8:$src1, GR8:$src2), (implicit EFLAGS)]>;
3127 def CMP16rr : I<0x39, MRMDestReg,
3128 (outs), (ins GR16:$src1, GR16:$src2),
3129 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3130 [(X86cmp GR16:$src1, GR16:$src2), (implicit EFLAGS)]>, OpSize;
3131 def CMP32rr : I<0x39, MRMDestReg,
3132 (outs), (ins GR32:$src1, GR32:$src2),
3133 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3134 [(X86cmp GR32:$src1, GR32:$src2), (implicit EFLAGS)]>;
3135 def CMP8mr : I<0x38, MRMDestMem,
3136 (outs), (ins i8mem :$src1, GR8 :$src2),
3137 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3138 [(X86cmp (loadi8 addr:$src1), GR8:$src2),
3139 (implicit EFLAGS)]>;
3140 def CMP16mr : I<0x39, MRMDestMem,
3141 (outs), (ins i16mem:$src1, GR16:$src2),
3142 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3143 [(X86cmp (loadi16 addr:$src1), GR16:$src2),
3144 (implicit EFLAGS)]>, OpSize;
3145 def CMP32mr : I<0x39, MRMDestMem,
3146 (outs), (ins i32mem:$src1, GR32:$src2),
3147 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3148 [(X86cmp (loadi32 addr:$src1), GR32:$src2),
3149 (implicit EFLAGS)]>;
3150 def CMP8rm : I<0x3A, MRMSrcMem,
3151 (outs), (ins GR8 :$src1, i8mem :$src2),
3152 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3153 [(X86cmp GR8:$src1, (loadi8 addr:$src2)),
3154 (implicit EFLAGS)]>;
3155 def CMP16rm : I<0x3B, MRMSrcMem,
3156 (outs), (ins GR16:$src1, i16mem:$src2),
3157 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3158 [(X86cmp GR16:$src1, (loadi16 addr:$src2)),
3159 (implicit EFLAGS)]>, OpSize;
3160 def CMP32rm : I<0x3B, MRMSrcMem,
3161 (outs), (ins GR32:$src1, i32mem:$src2),
3162 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3163 [(X86cmp GR32:$src1, (loadi32 addr:$src2)),
3164 (implicit EFLAGS)]>;
3165 def CMP8ri : Ii8<0x80, MRM7r,
3166 (outs), (ins GR8:$src1, i8imm:$src2),
3167 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3168 [(X86cmp GR8:$src1, imm:$src2), (implicit EFLAGS)]>;
3169 def CMP16ri : Ii16<0x81, MRM7r,
3170 (outs), (ins GR16:$src1, i16imm:$src2),
3171 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3172 [(X86cmp GR16:$src1, imm:$src2),
3173 (implicit EFLAGS)]>, OpSize;
3174 def CMP32ri : Ii32<0x81, MRM7r,
3175 (outs), (ins GR32:$src1, i32imm:$src2),
3176 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3177 [(X86cmp GR32:$src1, imm:$src2), (implicit EFLAGS)]>;
3178 def CMP8mi : Ii8 <0x80, MRM7m,
3179 (outs), (ins i8mem :$src1, i8imm :$src2),
3180 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3181 [(X86cmp (loadi8 addr:$src1), imm:$src2),
3182 (implicit EFLAGS)]>;
3183 def CMP16mi : Ii16<0x81, MRM7m,
3184 (outs), (ins i16mem:$src1, i16imm:$src2),
3185 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3186 [(X86cmp (loadi16 addr:$src1), imm:$src2),
3187 (implicit EFLAGS)]>, OpSize;
3188 def CMP32mi : Ii32<0x81, MRM7m,
3189 (outs), (ins i32mem:$src1, i32imm:$src2),
3190 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3191 [(X86cmp (loadi32 addr:$src1), imm:$src2),
3192 (implicit EFLAGS)]>;
3193 def CMP16ri8 : Ii8<0x83, MRM7r,
3194 (outs), (ins GR16:$src1, i16i8imm:$src2),
3195 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3196 [(X86cmp GR16:$src1, i16immSExt8:$src2),
3197 (implicit EFLAGS)]>, OpSize;
3198 def CMP16mi8 : Ii8<0x83, MRM7m,
3199 (outs), (ins i16mem:$src1, i16i8imm:$src2),
3200 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3201 [(X86cmp (loadi16 addr:$src1), i16immSExt8:$src2),
3202 (implicit EFLAGS)]>, OpSize;
3203 def CMP32mi8 : Ii8<0x83, MRM7m,
3204 (outs), (ins i32mem:$src1, i32i8imm:$src2),
3205 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3206 [(X86cmp (loadi32 addr:$src1), i32immSExt8:$src2),
3207 (implicit EFLAGS)]>;
3208 def CMP32ri8 : Ii8<0x83, MRM7r,
3209 (outs), (ins GR32:$src1, i32i8imm:$src2),
3210 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3211 [(X86cmp GR32:$src1, i32immSExt8:$src2),
3212 (implicit EFLAGS)]>;
3213 } // Defs = [EFLAGS]
3216 // TODO: BTC, BTR, and BTS
3217 let Defs = [EFLAGS] in {
3218 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3219 "bt{w}\t{$src2, $src1|$src1, $src2}",
3220 [(X86bt GR16:$src1, GR16:$src2),
3221 (implicit EFLAGS)]>, OpSize, TB;
3222 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3223 "bt{l}\t{$src2, $src1|$src1, $src2}",
3224 [(X86bt GR32:$src1, GR32:$src2),
3225 (implicit EFLAGS)]>, TB;
3227 // Unlike with the register+register form, the memory+register form of the
3228 // bt instruction does not ignore the high bits of the index. From ISel's
3229 // perspective, this is pretty bizarre. Disable these instructions for now.
3230 //def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3231 // "bt{w}\t{$src2, $src1|$src1, $src2}",
3232 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
3233 // (implicit EFLAGS)]>, OpSize, TB, Requires<[FastBTMem]>;
3234 //def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3235 // "bt{l}\t{$src2, $src1|$src1, $src2}",
3236 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
3237 // (implicit EFLAGS)]>, TB, Requires<[FastBTMem]>;
3239 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3240 "bt{w}\t{$src2, $src1|$src1, $src2}",
3241 [(X86bt GR16:$src1, i16immSExt8:$src2),
3242 (implicit EFLAGS)]>, OpSize, TB;
3243 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3244 "bt{l}\t{$src2, $src1|$src1, $src2}",
3245 [(X86bt GR32:$src1, i32immSExt8:$src2),
3246 (implicit EFLAGS)]>, TB;
3247 // Note that these instructions don't need FastBTMem because that
3248 // only applies when the other operand is in a register. When it's
3249 // an immediate, bt is still fast.
3250 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3251 "bt{w}\t{$src2, $src1|$src1, $src2}",
3252 [(X86bt (loadi16 addr:$src1), i16immSExt8:$src2),
3253 (implicit EFLAGS)]>, OpSize, TB;
3254 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3255 "bt{l}\t{$src2, $src1|$src1, $src2}",
3256 [(X86bt (loadi32 addr:$src1), i32immSExt8:$src2),
3257 (implicit EFLAGS)]>, TB;
3258 } // Defs = [EFLAGS]
3260 // Sign/Zero extenders
3261 // Use movsbl intead of movsbw; we don't care about the high 16 bits
3262 // of the register here. This has a smaller encoding and avoids a
3263 // partial-register update.
3264 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3265 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3266 [(set GR16:$dst, (sext GR8:$src))]>, TB;
3267 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3268 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3269 [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
3270 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3271 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3272 [(set GR32:$dst, (sext GR8:$src))]>, TB;
3273 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3274 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3275 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
3276 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3277 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3278 [(set GR32:$dst, (sext GR16:$src))]>, TB;
3279 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3280 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3281 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
3283 // Use movzbl intead of movzbw; we don't care about the high 16 bits
3284 // of the register here. This has a smaller encoding and avoids a
3285 // partial-register update.
3286 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3287 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3288 [(set GR16:$dst, (zext GR8:$src))]>, TB;
3289 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3290 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3291 [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
3292 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3293 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3294 [(set GR32:$dst, (zext GR8:$src))]>, TB;
3295 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3296 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3297 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
3298 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3299 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3300 [(set GR32:$dst, (zext GR16:$src))]>, TB;
3301 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3302 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3303 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
3305 // These are the same as the regular regular MOVZX32rr8 and MOVZX32rm8
3306 // except that they use GR32_NOREX for the output operand register class
3307 // instead of GR32. This allows them to operate on h registers on x86-64.
3308 def MOVZX32_NOREXrr8 : I<0xB6, MRMSrcReg,
3309 (outs GR32_NOREX:$dst), (ins GR8:$src),
3310 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3313 def MOVZX32_NOREXrm8 : I<0xB6, MRMSrcMem,
3314 (outs GR32_NOREX:$dst), (ins i8mem:$src),
3315 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3318 let neverHasSideEffects = 1 in {
3319 let Defs = [AX], Uses = [AL] in
3320 def CBW : I<0x98, RawFrm, (outs), (ins),
3321 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
3322 let Defs = [EAX], Uses = [AX] in
3323 def CWDE : I<0x98, RawFrm, (outs), (ins),
3324 "{cwtl|cwde}", []>; // EAX = signext(AX)
3326 let Defs = [AX,DX], Uses = [AX] in
3327 def CWD : I<0x99, RawFrm, (outs), (ins),
3328 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
3329 let Defs = [EAX,EDX], Uses = [EAX] in
3330 def CDQ : I<0x99, RawFrm, (outs), (ins),
3331 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
3334 //===----------------------------------------------------------------------===//
3335 // Alias Instructions
3336 //===----------------------------------------------------------------------===//
3338 // Alias instructions that map movr0 to xor.
3339 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
3340 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1,
3341 isCodeGenOnly = 1 in {
3342 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins),
3343 "xor{b}\t$dst, $dst",
3344 [(set GR8:$dst, 0)]>;
3345 // Use xorl instead of xorw since we don't care about the high 16 bits,
3346 // it's smaller, and it avoids a partial-register update.
3347 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
3348 "xor{l}\t${dst:subreg32}, ${dst:subreg32}",
3349 [(set GR16:$dst, 0)]>;
3350 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins),
3351 "xor{l}\t$dst, $dst",
3352 [(set GR32:$dst, 0)]>;
3355 //===----------------------------------------------------------------------===//
3356 // Thread Local Storage Instructions
3359 // All calls clobber the non-callee saved registers. ESP is marked as
3360 // a use to prevent stack-pointer assignments that appear immediately
3361 // before calls from potentially appearing dead.
3362 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
3363 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
3364 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
3365 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
3367 def TLS_addr32 : I<0, Pseudo, (outs), (ins lea32mem:$sym),
3368 "leal\t$sym, %eax; "
3369 "call\t___tls_get_addr@PLT",
3370 [(X86tlsaddr tls32addr:$sym)]>,
3371 Requires<[In32BitMode]>;
3373 let AddedComplexity = 5, isCodeGenOnly = 1 in
3374 def GS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3375 "movl\t%gs:$src, $dst",
3376 [(set GR32:$dst, (gsload addr:$src))]>, SegGS;
3378 let AddedComplexity = 5, isCodeGenOnly = 1 in
3379 def FS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3380 "movl\t%fs:$src, $dst",
3381 [(set GR32:$dst, (fsload addr:$src))]>, SegFS;
3383 //===----------------------------------------------------------------------===//
3384 // DWARF Pseudo Instructions
3387 def DWARF_LOC : I<0, Pseudo, (outs),
3388 (ins i32imm:$line, i32imm:$col, i32imm:$file),
3389 ".loc\t$file $line $col",
3390 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
3393 //===----------------------------------------------------------------------===//
3394 // EH Pseudo Instructions
3396 let isTerminator = 1, isReturn = 1, isBarrier = 1,
3397 hasCtrlDep = 1, isCodeGenOnly = 1 in {
3398 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
3399 "ret\t#eh_return, addr: $addr",
3400 [(X86ehret GR32:$addr)]>;
3404 //===----------------------------------------------------------------------===//
3408 // Atomic swap. These are just normal xchg instructions. But since a memory
3409 // operand is referenced, the atomicity is ensured.
3410 let Constraints = "$val = $dst" in {
3411 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3412 "xchg{l}\t{$val, $ptr|$ptr, $val}",
3413 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
3414 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3415 "xchg{w}\t{$val, $ptr|$ptr, $val}",
3416 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
3418 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
3419 "xchg{b}\t{$val, $ptr|$ptr, $val}",
3420 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
3423 // Atomic compare and swap.
3424 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
3425 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
3427 "cmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
3428 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
3430 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
3431 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i32mem:$ptr),
3434 [(X86cas8 addr:$ptr)]>, TB, LOCK;
3437 let Defs = [AX, EFLAGS], Uses = [AX] in {
3438 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
3440 "cmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
3441 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
3443 let Defs = [AL, EFLAGS], Uses = [AL] in {
3444 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
3446 "cmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
3447 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
3450 // Atomic exchange and add
3451 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
3452 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3454 "xadd{l}\t{$val, $ptr|$ptr, $val}",
3455 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
3457 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3459 "xadd{w}\t{$val, $ptr|$ptr, $val}",
3460 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
3462 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
3464 "xadd{b}\t{$val, $ptr|$ptr, $val}",
3465 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
3469 // Optimized codegen when the non-memory output is not used.
3470 // FIXME: Use normal add / sub instructions and add lock prefix dynamically.
3471 def LOCK_ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
3473 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3474 def LOCK_ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3476 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3477 def LOCK_ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3479 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3480 def LOCK_ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
3482 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3483 def LOCK_ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
3485 "add{w}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3486 def LOCK_ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
3488 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3489 def LOCK_ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3491 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3492 def LOCK_ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3494 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3496 def LOCK_INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst),
3498 "inc{b}\t$dst", []>, LOCK;
3499 def LOCK_INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst),
3501 "inc{w}\t$dst", []>, OpSize, LOCK;
3502 def LOCK_INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst),
3504 "inc{l}\t$dst", []>, LOCK;
3506 def LOCK_SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
3508 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3509 def LOCK_SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3511 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3512 def LOCK_SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3514 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3515 def LOCK_SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
3517 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3518 def LOCK_SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
3520 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3521 def LOCK_SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
3523 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3524 def LOCK_SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3526 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3527 def LOCK_SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3529 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3531 def LOCK_DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst),
3533 "dec{b}\t$dst", []>, LOCK;
3534 def LOCK_DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst),
3536 "dec{w}\t$dst", []>, OpSize, LOCK;
3537 def LOCK_DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst),
3539 "dec{l}\t$dst", []>, LOCK;
3541 // Atomic exchange, and, or, xor
3542 let Constraints = "$val = $dst", Defs = [EFLAGS],
3543 usesCustomDAGSchedInserter = 1 in {
3544 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3545 "#ATOMAND32 PSEUDO!",
3546 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
3547 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3548 "#ATOMOR32 PSEUDO!",
3549 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
3550 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3551 "#ATOMXOR32 PSEUDO!",
3552 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
3553 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3554 "#ATOMNAND32 PSEUDO!",
3555 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
3556 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3557 "#ATOMMIN32 PSEUDO!",
3558 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
3559 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3560 "#ATOMMAX32 PSEUDO!",
3561 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
3562 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3563 "#ATOMUMIN32 PSEUDO!",
3564 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
3565 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3566 "#ATOMUMAX32 PSEUDO!",
3567 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
3569 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3570 "#ATOMAND16 PSEUDO!",
3571 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
3572 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3573 "#ATOMOR16 PSEUDO!",
3574 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
3575 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3576 "#ATOMXOR16 PSEUDO!",
3577 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
3578 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3579 "#ATOMNAND16 PSEUDO!",
3580 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
3581 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3582 "#ATOMMIN16 PSEUDO!",
3583 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
3584 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3585 "#ATOMMAX16 PSEUDO!",
3586 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
3587 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3588 "#ATOMUMIN16 PSEUDO!",
3589 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
3590 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3591 "#ATOMUMAX16 PSEUDO!",
3592 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
3594 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3595 "#ATOMAND8 PSEUDO!",
3596 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
3597 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3599 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
3600 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3601 "#ATOMXOR8 PSEUDO!",
3602 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
3603 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3604 "#ATOMNAND8 PSEUDO!",
3605 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
3608 let Constraints = "$val1 = $dst1, $val2 = $dst2",
3609 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
3610 Uses = [EAX, EBX, ECX, EDX],
3611 mayLoad = 1, mayStore = 1,
3612 usesCustomDAGSchedInserter = 1 in {
3613 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3614 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3615 "#ATOMAND6432 PSEUDO!", []>;
3616 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3617 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3618 "#ATOMOR6432 PSEUDO!", []>;
3619 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3620 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3621 "#ATOMXOR6432 PSEUDO!", []>;
3622 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3623 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3624 "#ATOMNAND6432 PSEUDO!", []>;
3625 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3626 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3627 "#ATOMADD6432 PSEUDO!", []>;
3628 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3629 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3630 "#ATOMSUB6432 PSEUDO!", []>;
3631 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3632 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3633 "#ATOMSWAP6432 PSEUDO!", []>;
3636 //===----------------------------------------------------------------------===//
3637 // Non-Instruction Patterns
3638 //===----------------------------------------------------------------------===//
3640 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
3641 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
3642 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
3643 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
3644 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
3645 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
3647 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
3648 (ADD32ri GR32:$src1, tconstpool:$src2)>;
3649 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
3650 (ADD32ri GR32:$src1, tjumptable:$src2)>;
3651 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
3652 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
3653 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
3654 (ADD32ri GR32:$src1, texternalsym:$src2)>;
3656 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
3657 (MOV32mi addr:$dst, tglobaladdr:$src)>;
3658 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
3659 (MOV32mi addr:$dst, texternalsym:$src)>;
3663 def : Pat<(X86tcret GR32:$dst, imm:$off),
3664 (TCRETURNri GR32:$dst, imm:$off)>;
3666 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
3667 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3669 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
3670 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3672 // Normal calls, with various flavors of addresses.
3673 def : Pat<(X86call (i32 tglobaladdr:$dst)),
3674 (CALLpcrel32 tglobaladdr:$dst)>;
3675 def : Pat<(X86call (i32 texternalsym:$dst)),
3676 (CALLpcrel32 texternalsym:$dst)>;
3677 def : Pat<(X86call (i32 imm:$dst)),
3678 (CALLpcrel32 imm:$dst)>, Requires<[CallImmAddr]>;
3680 // X86 specific add which produces a flag.
3681 def : Pat<(addc GR32:$src1, GR32:$src2),
3682 (ADD32rr GR32:$src1, GR32:$src2)>;
3683 def : Pat<(addc GR32:$src1, (load addr:$src2)),
3684 (ADD32rm GR32:$src1, addr:$src2)>;
3685 def : Pat<(addc GR32:$src1, imm:$src2),
3686 (ADD32ri GR32:$src1, imm:$src2)>;
3687 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
3688 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
3690 def : Pat<(subc GR32:$src1, GR32:$src2),
3691 (SUB32rr GR32:$src1, GR32:$src2)>;
3692 def : Pat<(subc GR32:$src1, (load addr:$src2)),
3693 (SUB32rm GR32:$src1, addr:$src2)>;
3694 def : Pat<(subc GR32:$src1, imm:$src2),
3695 (SUB32ri GR32:$src1, imm:$src2)>;
3696 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
3697 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
3701 // TEST R,R is smaller than CMP R,0
3702 def : Pat<(parallel (X86cmp GR8:$src1, 0), (implicit EFLAGS)),
3703 (TEST8rr GR8:$src1, GR8:$src1)>;
3704 def : Pat<(parallel (X86cmp GR16:$src1, 0), (implicit EFLAGS)),
3705 (TEST16rr GR16:$src1, GR16:$src1)>;
3706 def : Pat<(parallel (X86cmp GR32:$src1, 0), (implicit EFLAGS)),
3707 (TEST32rr GR32:$src1, GR32:$src1)>;
3709 // Conditional moves with folded loads with operands swapped and conditions
3711 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_B, EFLAGS),
3712 (CMOVAE16rm GR16:$src2, addr:$src1)>;
3713 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_B, EFLAGS),
3714 (CMOVAE32rm GR32:$src2, addr:$src1)>;
3715 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_AE, EFLAGS),
3716 (CMOVB16rm GR16:$src2, addr:$src1)>;
3717 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_AE, EFLAGS),
3718 (CMOVB32rm GR32:$src2, addr:$src1)>;
3719 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_E, EFLAGS),
3720 (CMOVNE16rm GR16:$src2, addr:$src1)>;
3721 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_E, EFLAGS),
3722 (CMOVNE32rm GR32:$src2, addr:$src1)>;
3723 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NE, EFLAGS),
3724 (CMOVE16rm GR16:$src2, addr:$src1)>;
3725 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NE, EFLAGS),
3726 (CMOVE32rm GR32:$src2, addr:$src1)>;
3727 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_BE, EFLAGS),
3728 (CMOVA16rm GR16:$src2, addr:$src1)>;
3729 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_BE, EFLAGS),
3730 (CMOVA32rm GR32:$src2, addr:$src1)>;
3731 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_A, EFLAGS),
3732 (CMOVBE16rm GR16:$src2, addr:$src1)>;
3733 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_A, EFLAGS),
3734 (CMOVBE32rm GR32:$src2, addr:$src1)>;
3735 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_L, EFLAGS),
3736 (CMOVGE16rm GR16:$src2, addr:$src1)>;
3737 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_L, EFLAGS),
3738 (CMOVGE32rm GR32:$src2, addr:$src1)>;
3739 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_GE, EFLAGS),
3740 (CMOVL16rm GR16:$src2, addr:$src1)>;
3741 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_GE, EFLAGS),
3742 (CMOVL32rm GR32:$src2, addr:$src1)>;
3743 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_LE, EFLAGS),
3744 (CMOVG16rm GR16:$src2, addr:$src1)>;
3745 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_LE, EFLAGS),
3746 (CMOVG32rm GR32:$src2, addr:$src1)>;
3747 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_G, EFLAGS),
3748 (CMOVLE16rm GR16:$src2, addr:$src1)>;
3749 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_G, EFLAGS),
3750 (CMOVLE32rm GR32:$src2, addr:$src1)>;
3751 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_P, EFLAGS),
3752 (CMOVNP16rm GR16:$src2, addr:$src1)>;
3753 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_P, EFLAGS),
3754 (CMOVNP32rm GR32:$src2, addr:$src1)>;
3755 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NP, EFLAGS),
3756 (CMOVP16rm GR16:$src2, addr:$src1)>;
3757 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NP, EFLAGS),
3758 (CMOVP32rm GR32:$src2, addr:$src1)>;
3759 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_S, EFLAGS),
3760 (CMOVNS16rm GR16:$src2, addr:$src1)>;
3761 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_S, EFLAGS),
3762 (CMOVNS32rm GR32:$src2, addr:$src1)>;
3763 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NS, EFLAGS),
3764 (CMOVS16rm GR16:$src2, addr:$src1)>;
3765 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NS, EFLAGS),
3766 (CMOVS32rm GR32:$src2, addr:$src1)>;
3767 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_O, EFLAGS),
3768 (CMOVNO16rm GR16:$src2, addr:$src1)>;
3769 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_O, EFLAGS),
3770 (CMOVNO32rm GR32:$src2, addr:$src1)>;
3771 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NO, EFLAGS),
3772 (CMOVO16rm GR16:$src2, addr:$src1)>;
3773 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NO, EFLAGS),
3774 (CMOVO32rm GR32:$src2, addr:$src1)>;
3776 // zextload bool -> zextload byte
3777 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3778 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
3779 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3781 // extload bool -> extload byte
3782 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3783 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
3784 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3785 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>;
3786 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
3787 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
3789 // anyext. Define these to do an explicit zero-extend to
3790 // avoid partial-register updates.
3791 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>;
3792 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>;
3793 def : Pat<(i32 (anyext GR16:$src)), (MOVZX32rr16 GR16:$src)>;
3795 // (and (i32 load), 255) -> (zextload i8)
3796 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 255))),
3797 (MOVZX32rm8 addr:$src)>;
3798 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 65535))),
3799 (MOVZX32rm16 addr:$src)>;
3801 //===----------------------------------------------------------------------===//
3803 //===----------------------------------------------------------------------===//
3805 // Odd encoding trick: -128 fits into an 8-bit immediate field while
3806 // +128 doesn't, so in this special case use a sub instead of an add.
3807 def : Pat<(add GR16:$src1, 128),
3808 (SUB16ri8 GR16:$src1, -128)>;
3809 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
3810 (SUB16mi8 addr:$dst, -128)>;
3811 def : Pat<(add GR32:$src1, 128),
3812 (SUB32ri8 GR32:$src1, -128)>;
3813 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
3814 (SUB32mi8 addr:$dst, -128)>;
3816 // r & (2^16-1) ==> movz
3817 def : Pat<(and GR32:$src1, 0xffff),
3818 (MOVZX32rr16 (EXTRACT_SUBREG GR32:$src1, x86_subreg_16bit))>;
3819 // r & (2^8-1) ==> movz
3820 def : Pat<(and GR32:$src1, 0xff),
3821 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src1, GR32_ABCD),
3823 Requires<[In32BitMode]>;
3824 // r & (2^8-1) ==> movz
3825 def : Pat<(and GR16:$src1, 0xff),
3826 (MOVZX16rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src1, GR16_ABCD),
3828 Requires<[In32BitMode]>;
3830 // sext_inreg patterns
3831 def : Pat<(sext_inreg GR32:$src, i16),
3832 (MOVSX32rr16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
3833 def : Pat<(sext_inreg GR32:$src, i8),
3834 (MOVSX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3836 Requires<[In32BitMode]>;
3837 def : Pat<(sext_inreg GR16:$src, i8),
3838 (MOVSX16rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3840 Requires<[In32BitMode]>;
3843 def : Pat<(i16 (trunc GR32:$src)),
3844 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit)>;
3845 def : Pat<(i8 (trunc GR32:$src)),
3846 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3848 Requires<[In32BitMode]>;
3849 def : Pat<(i8 (trunc GR16:$src)),
3850 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3852 Requires<[In32BitMode]>;
3854 // h-register tricks
3855 def : Pat<(i8 (trunc (srl_su GR16:$src, (i8 8)))),
3856 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3857 x86_subreg_8bit_hi)>,
3858 Requires<[In32BitMode]>;
3859 def : Pat<(i8 (trunc (srl_su GR32:$src, (i8 8)))),
3860 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3861 x86_subreg_8bit_hi)>,
3862 Requires<[In32BitMode]>;
3863 def : Pat<(srl_su GR16:$src, (i8 8)),
3866 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3867 x86_subreg_8bit_hi)),
3869 Requires<[In32BitMode]>;
3870 def : Pat<(i32 (zext (srl_su GR16:$src, (i8 8)))),
3871 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3872 x86_subreg_8bit_hi))>,
3873 Requires<[In32BitMode]>;
3874 def : Pat<(i32 (anyext (srl_su GR16:$src, (i8 8)))),
3875 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3876 x86_subreg_8bit_hi))>,
3877 Requires<[In32BitMode]>;
3878 def : Pat<(and (srl_su GR32:$src, (i8 8)), (i32 255)),
3879 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3880 x86_subreg_8bit_hi))>,
3881 Requires<[In32BitMode]>;
3883 // (shl x, 1) ==> (add x, x)
3884 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
3885 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
3886 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
3888 // (shl x (and y, 31)) ==> (shl x, y)
3889 def : Pat<(shl GR8:$src1, (and CL:$amt, 31)),
3890 (SHL8rCL GR8:$src1)>;
3891 def : Pat<(shl GR16:$src1, (and CL:$amt, 31)),
3892 (SHL16rCL GR16:$src1)>;
3893 def : Pat<(shl GR32:$src1, (and CL:$amt, 31)),
3894 (SHL32rCL GR32:$src1)>;
3895 def : Pat<(store (shl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3896 (SHL8mCL addr:$dst)>;
3897 def : Pat<(store (shl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3898 (SHL16mCL addr:$dst)>;
3899 def : Pat<(store (shl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3900 (SHL32mCL addr:$dst)>;
3902 def : Pat<(srl GR8:$src1, (and CL:$amt, 31)),
3903 (SHR8rCL GR8:$src1)>;
3904 def : Pat<(srl GR16:$src1, (and CL:$amt, 31)),
3905 (SHR16rCL GR16:$src1)>;
3906 def : Pat<(srl GR32:$src1, (and CL:$amt, 31)),
3907 (SHR32rCL GR32:$src1)>;
3908 def : Pat<(store (srl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3909 (SHR8mCL addr:$dst)>;
3910 def : Pat<(store (srl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3911 (SHR16mCL addr:$dst)>;
3912 def : Pat<(store (srl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3913 (SHR32mCL addr:$dst)>;
3915 def : Pat<(sra GR8:$src1, (and CL:$amt, 31)),
3916 (SAR8rCL GR8:$src1)>;
3917 def : Pat<(sra GR16:$src1, (and CL:$amt, 31)),
3918 (SAR16rCL GR16:$src1)>;
3919 def : Pat<(sra GR32:$src1, (and CL:$amt, 31)),
3920 (SAR32rCL GR32:$src1)>;
3921 def : Pat<(store (sra (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3922 (SAR8mCL addr:$dst)>;
3923 def : Pat<(store (sra (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3924 (SAR16mCL addr:$dst)>;
3925 def : Pat<(store (sra (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3926 (SAR32mCL addr:$dst)>;
3928 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
3929 def : Pat<(or (srl GR32:$src1, CL:$amt),
3930 (shl GR32:$src2, (sub 32, CL:$amt))),
3931 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3933 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
3934 (shl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3935 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3937 def : Pat<(or (srl GR32:$src1, (i8 (trunc ECX:$amt))),
3938 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3939 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3941 def : Pat<(store (or (srl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3942 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3944 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3946 def : Pat<(shrd GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3947 (SHRD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3949 def : Pat<(store (shrd (loadi32 addr:$dst), (i8 imm:$amt1),
3950 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3951 (SHRD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3953 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
3954 def : Pat<(or (shl GR32:$src1, CL:$amt),
3955 (srl GR32:$src2, (sub 32, CL:$amt))),
3956 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3958 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
3959 (srl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3960 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3962 def : Pat<(or (shl GR32:$src1, (i8 (trunc ECX:$amt))),
3963 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3964 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3966 def : Pat<(store (or (shl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3967 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3969 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3971 def : Pat<(shld GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3972 (SHLD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3974 def : Pat<(store (shld (loadi32 addr:$dst), (i8 imm:$amt1),
3975 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3976 (SHLD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3978 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
3979 def : Pat<(or (srl GR16:$src1, CL:$amt),
3980 (shl GR16:$src2, (sub 16, CL:$amt))),
3981 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3983 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
3984 (shl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3985 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3987 def : Pat<(or (srl GR16:$src1, (i8 (trunc CX:$amt))),
3988 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3989 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3991 def : Pat<(store (or (srl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3992 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3994 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3996 def : Pat<(shrd GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3997 (SHRD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3999 def : Pat<(store (shrd (loadi16 addr:$dst), (i8 imm:$amt1),
4000 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
4001 (SHRD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
4003 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
4004 def : Pat<(or (shl GR16:$src1, CL:$amt),
4005 (srl GR16:$src2, (sub 16, CL:$amt))),
4006 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
4008 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
4009 (srl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
4010 (SHLD16mrCL addr:$dst, GR16:$src2)>;
4012 def : Pat<(or (shl GR16:$src1, (i8 (trunc CX:$amt))),
4013 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
4014 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
4016 def : Pat<(store (or (shl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
4017 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
4019 (SHLD16mrCL addr:$dst, GR16:$src2)>;
4021 def : Pat<(shld GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
4022 (SHLD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
4024 def : Pat<(store (shld (loadi16 addr:$dst), (i8 imm:$amt1),
4025 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
4026 (SHLD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
4028 //===----------------------------------------------------------------------===//
4029 // EFLAGS-defining Patterns
4030 //===----------------------------------------------------------------------===//
4032 // Register-Register Addition with EFLAGS result
4033 def : Pat<(parallel (X86add_flag GR8:$src1, GR8:$src2),
4035 (ADD8rr GR8:$src1, GR8:$src2)>;
4036 def : Pat<(parallel (X86add_flag GR16:$src1, GR16:$src2),
4038 (ADD16rr GR16:$src1, GR16:$src2)>;
4039 def : Pat<(parallel (X86add_flag GR32:$src1, GR32:$src2),
4041 (ADD32rr GR32:$src1, GR32:$src2)>;
4043 // Register-Memory Addition with EFLAGS result
4044 def : Pat<(parallel (X86add_flag GR8:$src1, (loadi8 addr:$src2)),
4046 (ADD8rm GR8:$src1, addr:$src2)>;
4047 def : Pat<(parallel (X86add_flag GR16:$src1, (loadi16 addr:$src2)),
4049 (ADD16rm GR16:$src1, addr:$src2)>;
4050 def : Pat<(parallel (X86add_flag GR32:$src1, (loadi32 addr:$src2)),
4052 (ADD32rm GR32:$src1, addr:$src2)>;
4054 // Register-Integer Addition with EFLAGS result
4055 def : Pat<(parallel (X86add_flag GR8:$src1, imm:$src2),
4057 (ADD8ri GR8:$src1, imm:$src2)>;
4058 def : Pat<(parallel (X86add_flag GR16:$src1, imm:$src2),
4060 (ADD16ri GR16:$src1, imm:$src2)>;
4061 def : Pat<(parallel (X86add_flag GR32:$src1, imm:$src2),
4063 (ADD32ri GR32:$src1, imm:$src2)>;
4064 def : Pat<(parallel (X86add_flag GR16:$src1, i16immSExt8:$src2),
4066 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4067 def : Pat<(parallel (X86add_flag GR32:$src1, i32immSExt8:$src2),
4069 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4071 // Memory-Register Addition with EFLAGS result
4072 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), GR8:$src2),
4075 (ADD8mr addr:$dst, GR8:$src2)>;
4076 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), GR16:$src2),
4079 (ADD16mr addr:$dst, GR16:$src2)>;
4080 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), GR32:$src2),
4083 (ADD32mr addr:$dst, GR32:$src2)>;
4085 // Memory-Integer Addition with EFLAGS result
4086 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), imm:$src2),
4089 (ADD8mi addr:$dst, imm:$src2)>;
4090 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), imm:$src2),
4093 (ADD16mi addr:$dst, imm:$src2)>;
4094 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), imm:$src2),
4097 (ADD32mi addr:$dst, imm:$src2)>;
4098 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), i16immSExt8:$src2),
4101 (ADD16mi8 addr:$dst, i16immSExt8:$src2)>;
4102 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), i32immSExt8:$src2),
4105 (ADD32mi8 addr:$dst, i32immSExt8:$src2)>;
4107 // Register-Register Subtraction with EFLAGS result
4108 def : Pat<(parallel (X86sub_flag GR8:$src1, GR8:$src2),
4110 (SUB8rr GR8:$src1, GR8:$src2)>;
4111 def : Pat<(parallel (X86sub_flag GR16:$src1, GR16:$src2),
4113 (SUB16rr GR16:$src1, GR16:$src2)>;
4114 def : Pat<(parallel (X86sub_flag GR32:$src1, GR32:$src2),
4116 (SUB32rr GR32:$src1, GR32:$src2)>;
4118 // Register-Memory Subtraction with EFLAGS result
4119 def : Pat<(parallel (X86sub_flag GR8:$src1, (loadi8 addr:$src2)),
4121 (SUB8rm GR8:$src1, addr:$src2)>;
4122 def : Pat<(parallel (X86sub_flag GR16:$src1, (loadi16 addr:$src2)),
4124 (SUB16rm GR16:$src1, addr:$src2)>;
4125 def : Pat<(parallel (X86sub_flag GR32:$src1, (loadi32 addr:$src2)),
4127 (SUB32rm GR32:$src1, addr:$src2)>;
4129 // Register-Integer Subtraction with EFLAGS result
4130 def : Pat<(parallel (X86sub_flag GR8:$src1, imm:$src2),
4132 (SUB8ri GR8:$src1, imm:$src2)>;
4133 def : Pat<(parallel (X86sub_flag GR16:$src1, imm:$src2),
4135 (SUB16ri GR16:$src1, imm:$src2)>;
4136 def : Pat<(parallel (X86sub_flag GR32:$src1, imm:$src2),
4138 (SUB32ri GR32:$src1, imm:$src2)>;
4139 def : Pat<(parallel (X86sub_flag GR16:$src1, i16immSExt8:$src2),
4141 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
4142 def : Pat<(parallel (X86sub_flag GR32:$src1, i32immSExt8:$src2),
4144 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4146 // Memory-Register Subtraction with EFLAGS result
4147 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), GR8:$src2),
4150 (SUB8mr addr:$dst, GR8:$src2)>;
4151 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), GR16:$src2),
4154 (SUB16mr addr:$dst, GR16:$src2)>;
4155 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), GR32:$src2),
4158 (SUB32mr addr:$dst, GR32:$src2)>;
4160 // Memory-Integer Subtraction with EFLAGS result
4161 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), imm:$src2),
4164 (SUB8mi addr:$dst, imm:$src2)>;
4165 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), imm:$src2),
4168 (SUB16mi addr:$dst, imm:$src2)>;
4169 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), imm:$src2),
4172 (SUB32mi addr:$dst, imm:$src2)>;
4173 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), i16immSExt8:$src2),
4176 (SUB16mi8 addr:$dst, i16immSExt8:$src2)>;
4177 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), i32immSExt8:$src2),
4180 (SUB32mi8 addr:$dst, i32immSExt8:$src2)>;
4183 // Register-Register Signed Integer Multiply with EFLAGS result
4184 def : Pat<(parallel (X86smul_flag GR16:$src1, GR16:$src2),
4186 (IMUL16rr GR16:$src1, GR16:$src2)>;
4187 def : Pat<(parallel (X86smul_flag GR32:$src1, GR32:$src2),
4189 (IMUL32rr GR32:$src1, GR32:$src2)>;
4191 // Register-Memory Signed Integer Multiply with EFLAGS result
4192 def : Pat<(parallel (X86smul_flag GR16:$src1, (loadi16 addr:$src2)),
4194 (IMUL16rm GR16:$src1, addr:$src2)>;
4195 def : Pat<(parallel (X86smul_flag GR32:$src1, (loadi32 addr:$src2)),
4197 (IMUL32rm GR32:$src1, addr:$src2)>;
4199 // Register-Integer Signed Integer Multiply with EFLAGS result
4200 def : Pat<(parallel (X86smul_flag GR16:$src1, imm:$src2),
4202 (IMUL16rri GR16:$src1, imm:$src2)>;
4203 def : Pat<(parallel (X86smul_flag GR32:$src1, imm:$src2),
4205 (IMUL32rri GR32:$src1, imm:$src2)>;
4206 def : Pat<(parallel (X86smul_flag GR16:$src1, i16immSExt8:$src2),
4208 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
4209 def : Pat<(parallel (X86smul_flag GR32:$src1, i32immSExt8:$src2),
4211 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
4213 // Memory-Integer Signed Integer Multiply with EFLAGS result
4214 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), imm:$src2),
4216 (IMUL16rmi addr:$src1, imm:$src2)>;
4217 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), imm:$src2),
4219 (IMUL32rmi addr:$src1, imm:$src2)>;
4220 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), i16immSExt8:$src2),
4222 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
4223 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), i32immSExt8:$src2),
4225 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
4227 // Optimize multiply by 2 with EFLAGS result.
4228 let AddedComplexity = 2 in {
4229 def : Pat<(parallel (X86smul_flag GR16:$src1, 2),
4231 (ADD16rr GR16:$src1, GR16:$src1)>;
4233 def : Pat<(parallel (X86smul_flag GR32:$src1, 2),
4235 (ADD32rr GR32:$src1, GR32:$src1)>;
4238 // INC and DEC with EFLAGS result. Note that these do not set CF.
4239 def : Pat<(parallel (X86inc_flag GR8:$src), (implicit EFLAGS)),
4241 def : Pat<(parallel (store (i8 (X86inc_flag (loadi8 addr:$dst))), addr:$dst),
4244 def : Pat<(parallel (X86dec_flag GR8:$src), (implicit EFLAGS)),
4246 def : Pat<(parallel (store (i8 (X86dec_flag (loadi8 addr:$dst))), addr:$dst),
4250 def : Pat<(parallel (X86inc_flag GR16:$src), (implicit EFLAGS)),
4251 (INC16r GR16:$src)>, Requires<[In32BitMode]>;
4252 def : Pat<(parallel (store (i16 (X86inc_flag (loadi16 addr:$dst))), addr:$dst),
4254 (INC16m addr:$dst)>, Requires<[In32BitMode]>;
4255 def : Pat<(parallel (X86dec_flag GR16:$src), (implicit EFLAGS)),
4256 (DEC16r GR16:$src)>, Requires<[In32BitMode]>;
4257 def : Pat<(parallel (store (i16 (X86dec_flag (loadi16 addr:$dst))), addr:$dst),
4259 (DEC16m addr:$dst)>, Requires<[In32BitMode]>;
4261 def : Pat<(parallel (X86inc_flag GR32:$src), (implicit EFLAGS)),
4262 (INC32r GR32:$src)>, Requires<[In32BitMode]>;
4263 def : Pat<(parallel (store (i32 (X86inc_flag (loadi32 addr:$dst))), addr:$dst),
4265 (INC32m addr:$dst)>, Requires<[In32BitMode]>;
4266 def : Pat<(parallel (X86dec_flag GR32:$src), (implicit EFLAGS)),
4267 (DEC32r GR32:$src)>, Requires<[In32BitMode]>;
4268 def : Pat<(parallel (store (i32 (X86dec_flag (loadi32 addr:$dst))), addr:$dst),
4270 (DEC32m addr:$dst)>, Requires<[In32BitMode]>;
4272 // -disable-16bit support.
4273 def : Pat<(truncstorei16 (i32 imm:$src), addr:$dst),
4274 (MOV16mi addr:$dst, imm:$src)>;
4275 def : Pat<(truncstorei16 GR32:$src, addr:$dst),
4276 (MOV16mr addr:$dst, (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
4277 def : Pat<(i32 (sextloadi16 addr:$dst)),
4278 (MOVSX32rm16 addr:$dst)>;
4279 def : Pat<(i32 (zextloadi16 addr:$dst)),
4280 (MOVZX32rm16 addr:$dst)>;
4281 def : Pat<(i32 (extloadi16 addr:$dst)),
4282 (MOVZX32rm16 addr:$dst)>;
4284 //===----------------------------------------------------------------------===//
4285 // Floating Point Stack Support
4286 //===----------------------------------------------------------------------===//
4288 include "X86InstrFPStack.td"
4290 //===----------------------------------------------------------------------===//
4292 //===----------------------------------------------------------------------===//
4294 include "X86Instr64bit.td"
4296 //===----------------------------------------------------------------------===//
4297 // XMM Floating point support (requires SSE / SSE2)
4298 //===----------------------------------------------------------------------===//
4300 include "X86InstrSSE.td"
4302 //===----------------------------------------------------------------------===//
4303 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
4304 //===----------------------------------------------------------------------===//
4306 include "X86InstrMMX.td"