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)]>;
569 def LRET : I <0xCB, RawFrm, (outs), (ins),
571 def LRETI : Ii16<0xCA, RawFrm, (outs), (ins i16imm:$amt),
575 // All branches are RawFrm, Void, Branch, and Terminators
576 let isBranch = 1, isTerminator = 1 in
577 class IBr<bits<8> opcode, dag ins, string asm, list<dag> pattern> :
578 I<opcode, RawFrm, (outs), ins, asm, pattern>;
580 let isBranch = 1, isBarrier = 1 in {
581 def JMP : IBr<0xE9, (ins brtarget:$dst), "jmp\t$dst", [(br bb:$dst)]>;
582 def JMP8 : IBr<0xEB, (ins brtarget8:$dst), "jmp\t$dst", []>;
586 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
587 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
588 [(brind GR32:$dst)]>;
589 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
590 [(brind (loadi32 addr:$dst))]>;
592 def FARJMP16i : Iseg16<0xEA, RawFrm, (outs),
593 (ins i16imm:$seg, i16imm:$off),
594 "ljmp{w}\t$seg, $off", []>, OpSize;
595 def FARJMP32i : Iseg32<0xEA, RawFrm, (outs),
596 (ins i16imm:$seg, i32imm:$off),
597 "ljmp{l}\t$seg, $off", []>;
599 def FARJMP16m : I<0xFF, MRM5m, (outs), (ins opaque32mem:$dst),
600 "ljmp{w}\t{*}$dst", []>, OpSize;
601 def FARJMP32m : I<0xFF, MRM5m, (outs), (ins opaque48mem:$dst),
602 "ljmp{l}\t{*}$dst", []>;
605 // Conditional branches
606 let Uses = [EFLAGS] in {
607 // Short conditional jumps
608 def JO8 : IBr<0x70, (ins brtarget8:$dst), "jo\t$dst", []>;
609 def JNO8 : IBr<0x71, (ins brtarget8:$dst), "jno\t$dst", []>;
610 def JB8 : IBr<0x72, (ins brtarget8:$dst), "jb\t$dst", []>;
611 def JAE8 : IBr<0x73, (ins brtarget8:$dst), "jae\t$dst", []>;
612 def JE8 : IBr<0x74, (ins brtarget8:$dst), "je\t$dst", []>;
613 def JNE8 : IBr<0x75, (ins brtarget8:$dst), "jne\t$dst", []>;
614 def JBE8 : IBr<0x76, (ins brtarget8:$dst), "jbe\t$dst", []>;
615 def JA8 : IBr<0x77, (ins brtarget8:$dst), "ja\t$dst", []>;
616 def JS8 : IBr<0x78, (ins brtarget8:$dst), "js\t$dst", []>;
617 def JNS8 : IBr<0x79, (ins brtarget8:$dst), "jns\t$dst", []>;
618 def JP8 : IBr<0x7A, (ins brtarget8:$dst), "jp\t$dst", []>;
619 def JNP8 : IBr<0x7B, (ins brtarget8:$dst), "jnp\t$dst", []>;
620 def JL8 : IBr<0x7C, (ins brtarget8:$dst), "jl\t$dst", []>;
621 def JGE8 : IBr<0x7D, (ins brtarget8:$dst), "jge\t$dst", []>;
622 def JLE8 : IBr<0x7E, (ins brtarget8:$dst), "jle\t$dst", []>;
623 def JG8 : IBr<0x7F, (ins brtarget8:$dst), "jg\t$dst", []>;
625 def JCXZ8 : IBr<0xE3, (ins brtarget8:$dst), "jcxz\t$dst", []>;
627 def JE : IBr<0x84, (ins brtarget:$dst), "je\t$dst",
628 [(X86brcond bb:$dst, X86_COND_E, EFLAGS)]>, TB;
629 def JNE : IBr<0x85, (ins brtarget:$dst), "jne\t$dst",
630 [(X86brcond bb:$dst, X86_COND_NE, EFLAGS)]>, TB;
631 def JL : IBr<0x8C, (ins brtarget:$dst), "jl\t$dst",
632 [(X86brcond bb:$dst, X86_COND_L, EFLAGS)]>, TB;
633 def JLE : IBr<0x8E, (ins brtarget:$dst), "jle\t$dst",
634 [(X86brcond bb:$dst, X86_COND_LE, EFLAGS)]>, TB;
635 def JG : IBr<0x8F, (ins brtarget:$dst), "jg\t$dst",
636 [(X86brcond bb:$dst, X86_COND_G, EFLAGS)]>, TB;
637 def JGE : IBr<0x8D, (ins brtarget:$dst), "jge\t$dst",
638 [(X86brcond bb:$dst, X86_COND_GE, EFLAGS)]>, TB;
640 def JB : IBr<0x82, (ins brtarget:$dst), "jb\t$dst",
641 [(X86brcond bb:$dst, X86_COND_B, EFLAGS)]>, TB;
642 def JBE : IBr<0x86, (ins brtarget:$dst), "jbe\t$dst",
643 [(X86brcond bb:$dst, X86_COND_BE, EFLAGS)]>, TB;
644 def JA : IBr<0x87, (ins brtarget:$dst), "ja\t$dst",
645 [(X86brcond bb:$dst, X86_COND_A, EFLAGS)]>, TB;
646 def JAE : IBr<0x83, (ins brtarget:$dst), "jae\t$dst",
647 [(X86brcond bb:$dst, X86_COND_AE, EFLAGS)]>, TB;
649 def JS : IBr<0x88, (ins brtarget:$dst), "js\t$dst",
650 [(X86brcond bb:$dst, X86_COND_S, EFLAGS)]>, TB;
651 def JNS : IBr<0x89, (ins brtarget:$dst), "jns\t$dst",
652 [(X86brcond bb:$dst, X86_COND_NS, EFLAGS)]>, TB;
653 def JP : IBr<0x8A, (ins brtarget:$dst), "jp\t$dst",
654 [(X86brcond bb:$dst, X86_COND_P, EFLAGS)]>, TB;
655 def JNP : IBr<0x8B, (ins brtarget:$dst), "jnp\t$dst",
656 [(X86brcond bb:$dst, X86_COND_NP, EFLAGS)]>, TB;
657 def JO : IBr<0x80, (ins brtarget:$dst), "jo\t$dst",
658 [(X86brcond bb:$dst, X86_COND_O, EFLAGS)]>, TB;
659 def JNO : IBr<0x81, (ins brtarget:$dst), "jno\t$dst",
660 [(X86brcond bb:$dst, X86_COND_NO, EFLAGS)]>, TB;
663 //===----------------------------------------------------------------------===//
664 // Call Instructions...
667 // All calls clobber the non-callee saved registers. ESP is marked as
668 // a use to prevent stack-pointer assignments that appear immediately
669 // before calls from potentially appearing dead. Uses for argument
670 // registers are added manually.
671 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
672 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
673 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
674 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
676 def CALLpcrel32 : Ii32<0xE8, RawFrm,
677 (outs), (ins i32imm_pcrel:$dst,variable_ops),
679 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
680 "call\t{*}$dst", [(X86call GR32:$dst)]>;
681 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
682 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
684 def FARCALL16i : Iseg16<0x9A, RawFrm, (outs),
685 (ins i16imm:$seg, i16imm:$off),
686 "lcall{w}\t$seg, $off", []>, OpSize;
687 def FARCALL32i : Iseg32<0x9A, RawFrm, (outs),
688 (ins i16imm:$seg, i32imm:$off),
689 "lcall{l}\t$seg, $off", []>;
691 def FARCALL16m : I<0xFF, MRM3m, (outs), (ins opaque32mem:$dst),
692 "lcall{w}\t{*}$dst", []>, OpSize;
693 def FARCALL32m : I<0xFF, MRM3m, (outs), (ins opaque48mem:$dst),
694 "lcall{l}\t{*}$dst", []>;
697 // Constructing a stack frame.
699 def ENTER : I<0xC8, RawFrm, (outs), (ins i16imm:$len, i8imm:$lvl),
700 "enter\t$len, $lvl", []>;
704 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
705 def TCRETURNdi : I<0, Pseudo, (outs), (ins i32imm:$dst, i32imm:$offset, variable_ops),
706 "#TC_RETURN $dst $offset",
709 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
710 def TCRETURNri : I<0, Pseudo, (outs), (ins GR32:$dst, i32imm:$offset, variable_ops),
711 "#TC_RETURN $dst $offset",
714 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
716 def TAILJMPd : IBr<0xE9, (ins i32imm_pcrel:$dst), "jmp\t$dst # TAILCALL",
718 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
719 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst # TAILCALL",
721 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
722 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem:$dst),
723 "jmp\t{*}$dst # TAILCALL", []>;
725 //===----------------------------------------------------------------------===//
726 // Miscellaneous Instructions...
728 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
729 def LEAVE : I<0xC9, RawFrm,
730 (outs), (ins), "leave", []>;
732 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
734 def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
736 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
737 def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
739 def POP16rmm: I<0x8F, MRM0m, (outs i16mem:$dst), (ins), "pop{w}\t$dst", []>,
741 def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
742 def POP32rmm: I<0x8F, MRM0m, (outs i32mem:$dst), (ins), "pop{l}\t$dst", []>;
745 let mayStore = 1 in {
746 def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
748 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
749 def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
751 def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[]>,
753 def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
754 def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[]>;
758 let Defs = [ESP], Uses = [ESP], neverHasSideEffects = 1, mayStore = 1 in {
759 def PUSH32i8 : Ii8<0x6a, RawFrm, (outs), (ins i8imm:$imm),
760 "push{l}\t$imm", []>;
761 def PUSH32i16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
762 "push{l}\t$imm", []>;
763 def PUSH32i32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
764 "push{l}\t$imm", []>;
767 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in
768 def POPFD : I<0x9D, RawFrm, (outs), (ins), "popf", []>;
769 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in
770 def PUSHFD : I<0x9C, RawFrm, (outs), (ins), "pushf", []>;
772 let isTwoAddress = 1 in // GR32 = bswap GR32
773 def BSWAP32r : I<0xC8, AddRegFrm,
774 (outs GR32:$dst), (ins GR32:$src),
776 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
779 // Bit scan instructions.
780 let Defs = [EFLAGS] in {
781 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
782 "bsf{w}\t{$src, $dst|$dst, $src}",
783 [(set GR16:$dst, (X86bsf GR16:$src)), (implicit EFLAGS)]>, TB;
784 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
785 "bsf{w}\t{$src, $dst|$dst, $src}",
786 [(set GR16:$dst, (X86bsf (loadi16 addr:$src))),
787 (implicit EFLAGS)]>, TB;
788 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
789 "bsf{l}\t{$src, $dst|$dst, $src}",
790 [(set GR32:$dst, (X86bsf GR32:$src)), (implicit EFLAGS)]>, TB;
791 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
792 "bsf{l}\t{$src, $dst|$dst, $src}",
793 [(set GR32:$dst, (X86bsf (loadi32 addr:$src))),
794 (implicit EFLAGS)]>, TB;
796 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
797 "bsr{w}\t{$src, $dst|$dst, $src}",
798 [(set GR16:$dst, (X86bsr GR16:$src)), (implicit EFLAGS)]>, TB;
799 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
800 "bsr{w}\t{$src, $dst|$dst, $src}",
801 [(set GR16:$dst, (X86bsr (loadi16 addr:$src))),
802 (implicit EFLAGS)]>, TB;
803 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
804 "bsr{l}\t{$src, $dst|$dst, $src}",
805 [(set GR32:$dst, (X86bsr GR32:$src)), (implicit EFLAGS)]>, TB;
806 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
807 "bsr{l}\t{$src, $dst|$dst, $src}",
808 [(set GR32:$dst, (X86bsr (loadi32 addr:$src))),
809 (implicit EFLAGS)]>, TB;
812 let neverHasSideEffects = 1 in
813 def LEA16r : I<0x8D, MRMSrcMem,
814 (outs GR16:$dst), (ins i32mem:$src),
815 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
816 let isReMaterializable = 1 in
817 def LEA32r : I<0x8D, MRMSrcMem,
818 (outs GR32:$dst), (ins lea32mem:$src),
819 "lea{l}\t{$src|$dst}, {$dst|$src}",
820 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
822 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI] in {
823 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
824 [(X86rep_movs i8)]>, REP;
825 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
826 [(X86rep_movs i16)]>, REP, OpSize;
827 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
828 [(X86rep_movs i32)]>, REP;
831 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI] in
832 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
833 [(X86rep_stos i8)]>, REP;
834 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI] in
835 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
836 [(X86rep_stos i16)]>, REP, OpSize;
837 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI] in
838 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
839 [(X86rep_stos i32)]>, REP;
841 def SCAS8 : I<0xAE, RawFrm, (outs), (ins), "scas{b}", []>;
842 def SCAS16 : I<0xAF, RawFrm, (outs), (ins), "scas{w}", []>, OpSize;
843 def SCAS32 : I<0xAF, RawFrm, (outs), (ins), "scas{l}", []>;
845 def CMPS8 : I<0xA6, RawFrm, (outs), (ins), "cmps{b}", []>;
846 def CMPS16 : I<0xA7, RawFrm, (outs), (ins), "cmps{w}", []>, OpSize;
847 def CMPS32 : I<0xA7, RawFrm, (outs), (ins), "cmps{l}", []>;
849 let Defs = [RAX, RDX] in
850 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
853 let isBarrier = 1, hasCtrlDep = 1 in {
854 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
857 def SYSCALL : I<0x05, RawFrm,
858 (outs), (ins), "syscall", []>, TB;
859 def SYSRET : I<0x07, RawFrm,
860 (outs), (ins), "sysret", []>, TB;
861 def SYSENTER : I<0x34, RawFrm,
862 (outs), (ins), "sysenter", []>, TB;
863 def SYSEXIT : I<0x35, RawFrm,
864 (outs), (ins), "sysexit", []>, TB;
866 def WAIT : I<0x9B, RawFrm, (outs), (ins), "wait", []>;
869 //===----------------------------------------------------------------------===//
870 // Input/Output Instructions...
872 let Defs = [AL], Uses = [DX] in
873 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
874 "in{b}\t{%dx, %al|%AL, %DX}", []>;
875 let Defs = [AX], Uses = [DX] in
876 def IN16rr : I<0xED, RawFrm, (outs), (ins),
877 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
878 let Defs = [EAX], Uses = [DX] in
879 def IN32rr : I<0xED, RawFrm, (outs), (ins),
880 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
883 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i16i8imm:$port),
884 "in{b}\t{$port, %al|%AL, $port}", []>;
886 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
887 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
889 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
890 "in{l}\t{$port, %eax|%EAX, $port}", []>;
892 let Uses = [DX, AL] in
893 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
894 "out{b}\t{%al, %dx|%DX, %AL}", []>;
895 let Uses = [DX, AX] in
896 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
897 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
898 let Uses = [DX, EAX] in
899 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
900 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
903 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i16i8imm:$port),
904 "out{b}\t{%al, $port|$port, %AL}", []>;
906 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
907 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
909 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
910 "out{l}\t{%eax, $port|$port, %EAX}", []>;
912 //===----------------------------------------------------------------------===//
913 // Move Instructions...
915 let neverHasSideEffects = 1 in {
916 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
917 "mov{b}\t{$src, $dst|$dst, $src}", []>;
918 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
919 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
920 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
921 "mov{l}\t{$src, $dst|$dst, $src}", []>;
923 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
924 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
925 "mov{b}\t{$src, $dst|$dst, $src}",
926 [(set GR8:$dst, imm:$src)]>;
927 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
928 "mov{w}\t{$src, $dst|$dst, $src}",
929 [(set GR16:$dst, imm:$src)]>, OpSize;
930 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
931 "mov{l}\t{$src, $dst|$dst, $src}",
932 [(set GR32:$dst, imm:$src)]>;
934 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
935 "mov{b}\t{$src, $dst|$dst, $src}",
936 [(store (i8 imm:$src), addr:$dst)]>;
937 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
938 "mov{w}\t{$src, $dst|$dst, $src}",
939 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
940 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
941 "mov{l}\t{$src, $dst|$dst, $src}",
942 [(store (i32 imm:$src), addr:$dst)]>;
944 def MOV8o8a : Ii8 <0xA0, RawFrm, (outs), (ins i8imm:$src),
945 "mov{b}\t{$src, %al|%al, $src}", []>;
946 def MOV16o16a : Ii16 <0xA1, RawFrm, (outs), (ins i16imm:$src),
947 "mov{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
948 def MOV32o32a : Ii32 <0xA1, RawFrm, (outs), (ins i32imm:$src),
949 "mov{l}\t{$src, %eax|%eax, $src}", []>;
951 def MOV8ao8 : Ii8 <0xA2, RawFrm, (outs i8imm:$dst), (ins),
952 "mov{b}\t{%al, $dst|$dst, %al}", []>;
953 def MOV16ao16 : Ii16 <0xA3, RawFrm, (outs i16imm:$dst), (ins),
954 "mov{w}\t{%ax, $dst|$dst, %ax}", []>, OpSize;
955 def MOV32ao32 : Ii32 <0xA3, RawFrm, (outs i32imm:$dst), (ins),
956 "mov{l}\t{%eax, $dst|$dst, %eax}", []>;
958 // Moves to and from segment registers
959 def MOV16rs : I<0x8C, MRMDestReg, (outs GR16:$dst), (ins SEGMENT_REG:$src),
960 "mov{w}\t{$src, $dst|$dst, $src}", []>;
961 def MOV16ms : I<0x8C, MRMDestMem, (outs i16mem:$dst), (ins SEGMENT_REG:$src),
962 "mov{w}\t{$src, $dst|$dst, $src}", []>;
963 def MOV16sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR16:$src),
964 "mov{w}\t{$src, $dst|$dst, $src}", []>;
965 def MOV16sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i16mem:$src),
966 "mov{w}\t{$src, $dst|$dst, $src}", []>;
968 let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in {
969 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
970 "mov{b}\t{$src, $dst|$dst, $src}",
971 [(set GR8:$dst, (loadi8 addr:$src))]>;
972 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
973 "mov{w}\t{$src, $dst|$dst, $src}",
974 [(set GR16:$dst, (loadi16 addr:$src))]>, OpSize;
975 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
976 "mov{l}\t{$src, $dst|$dst, $src}",
977 [(set GR32:$dst, (loadi32 addr:$src))]>;
980 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
981 "mov{b}\t{$src, $dst|$dst, $src}",
982 [(store GR8:$src, addr:$dst)]>;
983 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
984 "mov{w}\t{$src, $dst|$dst, $src}",
985 [(store GR16:$src, addr:$dst)]>, OpSize;
986 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
987 "mov{l}\t{$src, $dst|$dst, $src}",
988 [(store GR32:$src, addr:$dst)]>;
990 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
991 // that they can be used for copying and storing h registers, which can't be
992 // encoded when a REX prefix is present.
993 let neverHasSideEffects = 1 in
994 def MOV8rr_NOREX : I<0x88, MRMDestReg,
995 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
996 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
998 def MOV8mr_NOREX : I<0x88, MRMDestMem,
999 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
1000 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1002 canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in
1003 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
1004 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
1005 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1007 //===----------------------------------------------------------------------===//
1008 // Fixed-Register Multiplication and Division Instructions...
1011 // Extra precision multiplication
1012 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
1013 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
1014 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1015 // This probably ought to be moved to a def : Pat<> if the
1016 // syntax can be accepted.
1017 [(set AL, (mul AL, GR8:$src)),
1018 (implicit EFLAGS)]>; // AL,AH = AL*GR8
1020 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
1021 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
1023 []>, OpSize; // AX,DX = AX*GR16
1025 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
1026 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
1028 []>; // EAX,EDX = EAX*GR32
1030 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
1031 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
1033 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1034 // This probably ought to be moved to a def : Pat<> if the
1035 // syntax can be accepted.
1036 [(set AL, (mul AL, (loadi8 addr:$src))),
1037 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
1039 let mayLoad = 1, neverHasSideEffects = 1 in {
1040 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1041 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
1043 []>, OpSize; // AX,DX = AX*[mem16]
1045 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1046 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
1048 []>; // EAX,EDX = EAX*[mem32]
1051 let neverHasSideEffects = 1 in {
1052 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
1053 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
1055 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1056 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
1057 OpSize; // AX,DX = AX*GR16
1058 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1059 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
1060 // EAX,EDX = EAX*GR32
1061 let mayLoad = 1 in {
1062 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
1063 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
1064 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
1065 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1066 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
1067 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
1068 let Defs = [EAX,EDX], Uses = [EAX] in
1069 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
1070 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
1072 } // neverHasSideEffects
1074 // unsigned division/remainder
1075 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
1076 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1077 "div{b}\t$src", []>;
1078 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1079 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1080 "div{w}\t$src", []>, OpSize;
1081 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1082 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1083 "div{l}\t$src", []>;
1084 let mayLoad = 1 in {
1085 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
1086 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1087 "div{b}\t$src", []>;
1088 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1089 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1090 "div{w}\t$src", []>, OpSize;
1091 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1092 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
1093 "div{l}\t$src", []>;
1096 // Signed division/remainder.
1097 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
1098 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1099 "idiv{b}\t$src", []>;
1100 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1101 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1102 "idiv{w}\t$src", []>, OpSize;
1103 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1104 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1105 "idiv{l}\t$src", []>;
1106 let mayLoad = 1, mayLoad = 1 in {
1107 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
1108 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1109 "idiv{b}\t$src", []>;
1110 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1111 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1112 "idiv{w}\t$src", []>, OpSize;
1113 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1114 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
1115 "idiv{l}\t$src", []>;
1118 //===----------------------------------------------------------------------===//
1119 // Two address Instructions.
1121 let isTwoAddress = 1 in {
1123 // Conditional moves
1124 let Uses = [EFLAGS] in {
1126 // X86 doesn't have 8-bit conditional moves. Use a customDAGSchedInserter to
1127 // emit control flow. An alternative to this is to mark i8 SELECT as Promote,
1128 // however that requires promoting the operands, and can induce additional
1129 // i8 register pressure. Note that CMOV_GR8 is conservatively considered to
1130 // clobber EFLAGS, because if one of the operands is zero, the expansion
1131 // could involve an xor.
1132 let usesCustomDAGSchedInserter = 1, isTwoAddress = 0, Defs = [EFLAGS] in
1133 def CMOV_GR8 : I<0, Pseudo,
1134 (outs GR8:$dst), (ins GR8:$src1, GR8:$src2, i8imm:$cond),
1135 "#CMOV_GR8 PSEUDO!",
1136 [(set GR8:$dst, (X86cmov GR8:$src1, GR8:$src2,
1137 imm:$cond, EFLAGS))]>;
1139 let isCommutable = 1 in {
1140 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
1141 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1142 "cmovb\t{$src2, $dst|$dst, $src2}",
1143 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1144 X86_COND_B, EFLAGS))]>,
1146 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
1147 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1148 "cmovb\t{$src2, $dst|$dst, $src2}",
1149 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1150 X86_COND_B, EFLAGS))]>,
1152 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
1153 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1154 "cmovae\t{$src2, $dst|$dst, $src2}",
1155 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1156 X86_COND_AE, EFLAGS))]>,
1158 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
1159 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1160 "cmovae\t{$src2, $dst|$dst, $src2}",
1161 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1162 X86_COND_AE, EFLAGS))]>,
1164 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
1165 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1166 "cmove\t{$src2, $dst|$dst, $src2}",
1167 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1168 X86_COND_E, EFLAGS))]>,
1170 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
1171 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1172 "cmove\t{$src2, $dst|$dst, $src2}",
1173 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1174 X86_COND_E, EFLAGS))]>,
1176 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
1177 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1178 "cmovne\t{$src2, $dst|$dst, $src2}",
1179 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1180 X86_COND_NE, EFLAGS))]>,
1182 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
1183 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1184 "cmovne\t{$src2, $dst|$dst, $src2}",
1185 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1186 X86_COND_NE, EFLAGS))]>,
1188 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
1189 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1190 "cmovbe\t{$src2, $dst|$dst, $src2}",
1191 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1192 X86_COND_BE, EFLAGS))]>,
1194 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
1195 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1196 "cmovbe\t{$src2, $dst|$dst, $src2}",
1197 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1198 X86_COND_BE, EFLAGS))]>,
1200 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
1201 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1202 "cmova\t{$src2, $dst|$dst, $src2}",
1203 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1204 X86_COND_A, EFLAGS))]>,
1206 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
1207 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1208 "cmova\t{$src2, $dst|$dst, $src2}",
1209 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1210 X86_COND_A, EFLAGS))]>,
1212 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
1213 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1214 "cmovl\t{$src2, $dst|$dst, $src2}",
1215 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1216 X86_COND_L, EFLAGS))]>,
1218 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
1219 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1220 "cmovl\t{$src2, $dst|$dst, $src2}",
1221 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1222 X86_COND_L, EFLAGS))]>,
1224 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
1225 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1226 "cmovge\t{$src2, $dst|$dst, $src2}",
1227 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1228 X86_COND_GE, EFLAGS))]>,
1230 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
1231 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1232 "cmovge\t{$src2, $dst|$dst, $src2}",
1233 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1234 X86_COND_GE, EFLAGS))]>,
1236 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
1237 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1238 "cmovle\t{$src2, $dst|$dst, $src2}",
1239 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1240 X86_COND_LE, EFLAGS))]>,
1242 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
1243 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1244 "cmovle\t{$src2, $dst|$dst, $src2}",
1245 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1246 X86_COND_LE, EFLAGS))]>,
1248 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
1249 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1250 "cmovg\t{$src2, $dst|$dst, $src2}",
1251 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1252 X86_COND_G, EFLAGS))]>,
1254 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
1255 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1256 "cmovg\t{$src2, $dst|$dst, $src2}",
1257 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1258 X86_COND_G, EFLAGS))]>,
1260 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
1261 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1262 "cmovs\t{$src2, $dst|$dst, $src2}",
1263 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1264 X86_COND_S, EFLAGS))]>,
1266 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
1267 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1268 "cmovs\t{$src2, $dst|$dst, $src2}",
1269 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1270 X86_COND_S, EFLAGS))]>,
1272 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
1273 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1274 "cmovns\t{$src2, $dst|$dst, $src2}",
1275 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1276 X86_COND_NS, EFLAGS))]>,
1278 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1279 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1280 "cmovns\t{$src2, $dst|$dst, $src2}",
1281 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1282 X86_COND_NS, EFLAGS))]>,
1284 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1285 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1286 "cmovp\t{$src2, $dst|$dst, $src2}",
1287 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1288 X86_COND_P, EFLAGS))]>,
1290 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1291 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1292 "cmovp\t{$src2, $dst|$dst, $src2}",
1293 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1294 X86_COND_P, EFLAGS))]>,
1296 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1297 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1298 "cmovnp\t{$src2, $dst|$dst, $src2}",
1299 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1300 X86_COND_NP, EFLAGS))]>,
1302 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1303 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1304 "cmovnp\t{$src2, $dst|$dst, $src2}",
1305 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1306 X86_COND_NP, EFLAGS))]>,
1308 def CMOVO16rr : I<0x40, MRMSrcReg, // if overflow, GR16 = GR16
1309 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1310 "cmovo\t{$src2, $dst|$dst, $src2}",
1311 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1312 X86_COND_O, EFLAGS))]>,
1314 def CMOVO32rr : I<0x40, MRMSrcReg, // if overflow, GR32 = GR32
1315 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1316 "cmovo\t{$src2, $dst|$dst, $src2}",
1317 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1318 X86_COND_O, EFLAGS))]>,
1320 def CMOVNO16rr : I<0x41, MRMSrcReg, // if !overflow, GR16 = GR16
1321 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1322 "cmovno\t{$src2, $dst|$dst, $src2}",
1323 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1324 X86_COND_NO, EFLAGS))]>,
1326 def CMOVNO32rr : I<0x41, MRMSrcReg, // if !overflow, GR32 = GR32
1327 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1328 "cmovno\t{$src2, $dst|$dst, $src2}",
1329 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1330 X86_COND_NO, EFLAGS))]>,
1332 } // isCommutable = 1
1334 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1335 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1336 "cmovb\t{$src2, $dst|$dst, $src2}",
1337 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1338 X86_COND_B, EFLAGS))]>,
1340 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1341 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1342 "cmovb\t{$src2, $dst|$dst, $src2}",
1343 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1344 X86_COND_B, EFLAGS))]>,
1346 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1347 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1348 "cmovae\t{$src2, $dst|$dst, $src2}",
1349 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1350 X86_COND_AE, EFLAGS))]>,
1352 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1353 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1354 "cmovae\t{$src2, $dst|$dst, $src2}",
1355 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1356 X86_COND_AE, EFLAGS))]>,
1358 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1359 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1360 "cmove\t{$src2, $dst|$dst, $src2}",
1361 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1362 X86_COND_E, EFLAGS))]>,
1364 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1365 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1366 "cmove\t{$src2, $dst|$dst, $src2}",
1367 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1368 X86_COND_E, EFLAGS))]>,
1370 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1371 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1372 "cmovne\t{$src2, $dst|$dst, $src2}",
1373 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1374 X86_COND_NE, EFLAGS))]>,
1376 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1377 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1378 "cmovne\t{$src2, $dst|$dst, $src2}",
1379 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1380 X86_COND_NE, EFLAGS))]>,
1382 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1383 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1384 "cmovbe\t{$src2, $dst|$dst, $src2}",
1385 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1386 X86_COND_BE, EFLAGS))]>,
1388 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1389 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1390 "cmovbe\t{$src2, $dst|$dst, $src2}",
1391 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1392 X86_COND_BE, EFLAGS))]>,
1394 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1395 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1396 "cmova\t{$src2, $dst|$dst, $src2}",
1397 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1398 X86_COND_A, EFLAGS))]>,
1400 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1401 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1402 "cmova\t{$src2, $dst|$dst, $src2}",
1403 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1404 X86_COND_A, EFLAGS))]>,
1406 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1407 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1408 "cmovl\t{$src2, $dst|$dst, $src2}",
1409 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1410 X86_COND_L, EFLAGS))]>,
1412 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1413 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1414 "cmovl\t{$src2, $dst|$dst, $src2}",
1415 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1416 X86_COND_L, EFLAGS))]>,
1418 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1419 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1420 "cmovge\t{$src2, $dst|$dst, $src2}",
1421 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1422 X86_COND_GE, EFLAGS))]>,
1424 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1425 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1426 "cmovge\t{$src2, $dst|$dst, $src2}",
1427 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1428 X86_COND_GE, EFLAGS))]>,
1430 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1431 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1432 "cmovle\t{$src2, $dst|$dst, $src2}",
1433 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1434 X86_COND_LE, EFLAGS))]>,
1436 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1437 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1438 "cmovle\t{$src2, $dst|$dst, $src2}",
1439 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1440 X86_COND_LE, EFLAGS))]>,
1442 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1443 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1444 "cmovg\t{$src2, $dst|$dst, $src2}",
1445 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1446 X86_COND_G, EFLAGS))]>,
1448 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1449 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1450 "cmovg\t{$src2, $dst|$dst, $src2}",
1451 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1452 X86_COND_G, EFLAGS))]>,
1454 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1455 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1456 "cmovs\t{$src2, $dst|$dst, $src2}",
1457 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1458 X86_COND_S, EFLAGS))]>,
1460 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1461 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1462 "cmovs\t{$src2, $dst|$dst, $src2}",
1463 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1464 X86_COND_S, EFLAGS))]>,
1466 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1467 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1468 "cmovns\t{$src2, $dst|$dst, $src2}",
1469 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1470 X86_COND_NS, EFLAGS))]>,
1472 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1473 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1474 "cmovns\t{$src2, $dst|$dst, $src2}",
1475 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1476 X86_COND_NS, EFLAGS))]>,
1478 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1479 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1480 "cmovp\t{$src2, $dst|$dst, $src2}",
1481 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1482 X86_COND_P, EFLAGS))]>,
1484 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1485 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1486 "cmovp\t{$src2, $dst|$dst, $src2}",
1487 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1488 X86_COND_P, EFLAGS))]>,
1490 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1491 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1492 "cmovnp\t{$src2, $dst|$dst, $src2}",
1493 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1494 X86_COND_NP, EFLAGS))]>,
1496 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1497 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1498 "cmovnp\t{$src2, $dst|$dst, $src2}",
1499 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1500 X86_COND_NP, EFLAGS))]>,
1502 def CMOVO16rm : I<0x40, MRMSrcMem, // if overflow, GR16 = [mem16]
1503 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1504 "cmovo\t{$src2, $dst|$dst, $src2}",
1505 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1506 X86_COND_O, EFLAGS))]>,
1508 def CMOVO32rm : I<0x40, MRMSrcMem, // if overflow, GR32 = [mem32]
1509 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1510 "cmovo\t{$src2, $dst|$dst, $src2}",
1511 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1512 X86_COND_O, EFLAGS))]>,
1514 def CMOVNO16rm : I<0x41, MRMSrcMem, // if !overflow, GR16 = [mem16]
1515 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1516 "cmovno\t{$src2, $dst|$dst, $src2}",
1517 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1518 X86_COND_NO, EFLAGS))]>,
1520 def CMOVNO32rm : I<0x41, MRMSrcMem, // if !overflow, GR32 = [mem32]
1521 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1522 "cmovno\t{$src2, $dst|$dst, $src2}",
1523 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1524 X86_COND_NO, EFLAGS))]>,
1526 } // Uses = [EFLAGS]
1529 // unary instructions
1530 let CodeSize = 2 in {
1531 let Defs = [EFLAGS] in {
1532 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src), "neg{b}\t$dst",
1533 [(set GR8:$dst, (ineg GR8:$src)),
1534 (implicit EFLAGS)]>;
1535 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src), "neg{w}\t$dst",
1536 [(set GR16:$dst, (ineg GR16:$src)),
1537 (implicit EFLAGS)]>, OpSize;
1538 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src), "neg{l}\t$dst",
1539 [(set GR32:$dst, (ineg GR32:$src)),
1540 (implicit EFLAGS)]>;
1541 let isTwoAddress = 0 in {
1542 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), "neg{b}\t$dst",
1543 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
1544 (implicit EFLAGS)]>;
1545 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), "neg{w}\t$dst",
1546 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
1547 (implicit EFLAGS)]>, OpSize;
1548 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), "neg{l}\t$dst",
1549 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
1550 (implicit EFLAGS)]>;
1552 } // Defs = [EFLAGS]
1554 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
1555 let AddedComplexity = 15 in {
1556 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src), "not{b}\t$dst",
1557 [(set GR8:$dst, (not GR8:$src))]>;
1558 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src), "not{w}\t$dst",
1559 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1560 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src), "not{l}\t$dst",
1561 [(set GR32:$dst, (not GR32:$src))]>;
1563 let isTwoAddress = 0 in {
1564 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), "not{b}\t$dst",
1565 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1566 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), "not{w}\t$dst",
1567 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1568 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), "not{l}\t$dst",
1569 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1573 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1574 let Defs = [EFLAGS] in {
1576 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
1577 [(set GR8:$dst, (add GR8:$src, 1)),
1578 (implicit EFLAGS)]>;
1579 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1580 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "inc{w}\t$dst",
1581 [(set GR16:$dst, (add GR16:$src, 1)),
1582 (implicit EFLAGS)]>,
1583 OpSize, Requires<[In32BitMode]>;
1584 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "inc{l}\t$dst",
1585 [(set GR32:$dst, (add GR32:$src, 1)),
1586 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1588 let isTwoAddress = 0, CodeSize = 2 in {
1589 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1590 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
1591 (implicit EFLAGS)]>;
1592 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1593 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
1594 (implicit EFLAGS)]>,
1595 OpSize, Requires<[In32BitMode]>;
1596 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1597 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
1598 (implicit EFLAGS)]>,
1599 Requires<[In32BitMode]>;
1603 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src), "dec{b}\t$dst",
1604 [(set GR8:$dst, (add GR8:$src, -1)),
1605 (implicit EFLAGS)]>;
1606 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1607 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "dec{w}\t$dst",
1608 [(set GR16:$dst, (add GR16:$src, -1)),
1609 (implicit EFLAGS)]>,
1610 OpSize, Requires<[In32BitMode]>;
1611 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "dec{l}\t$dst",
1612 [(set GR32:$dst, (add GR32:$src, -1)),
1613 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1616 let isTwoAddress = 0, CodeSize = 2 in {
1617 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1618 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
1619 (implicit EFLAGS)]>;
1620 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1621 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
1622 (implicit EFLAGS)]>,
1623 OpSize, Requires<[In32BitMode]>;
1624 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1625 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
1626 (implicit EFLAGS)]>,
1627 Requires<[In32BitMode]>;
1629 } // Defs = [EFLAGS]
1631 // Logical operators...
1632 let Defs = [EFLAGS] in {
1633 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1634 def AND8rr : I<0x20, MRMDestReg,
1635 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1636 "and{b}\t{$src2, $dst|$dst, $src2}",
1637 [(set GR8:$dst, (and GR8:$src1, GR8:$src2)),
1638 (implicit EFLAGS)]>;
1639 def AND16rr : I<0x21, MRMDestReg,
1640 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1641 "and{w}\t{$src2, $dst|$dst, $src2}",
1642 [(set GR16:$dst, (and GR16:$src1, GR16:$src2)),
1643 (implicit EFLAGS)]>, OpSize;
1644 def AND32rr : I<0x21, MRMDestReg,
1645 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1646 "and{l}\t{$src2, $dst|$dst, $src2}",
1647 [(set GR32:$dst, (and GR32:$src1, GR32:$src2)),
1648 (implicit EFLAGS)]>;
1651 def AND8rm : I<0x22, MRMSrcMem,
1652 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1653 "and{b}\t{$src2, $dst|$dst, $src2}",
1654 [(set GR8:$dst, (and GR8:$src1, (loadi8 addr:$src2))),
1655 (implicit EFLAGS)]>;
1656 def AND16rm : I<0x23, MRMSrcMem,
1657 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1658 "and{w}\t{$src2, $dst|$dst, $src2}",
1659 [(set GR16:$dst, (and GR16:$src1, (loadi16 addr:$src2))),
1660 (implicit EFLAGS)]>, OpSize;
1661 def AND32rm : I<0x23, MRMSrcMem,
1662 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1663 "and{l}\t{$src2, $dst|$dst, $src2}",
1664 [(set GR32:$dst, (and GR32:$src1, (loadi32 addr:$src2))),
1665 (implicit EFLAGS)]>;
1667 def AND8ri : Ii8<0x80, MRM4r,
1668 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1669 "and{b}\t{$src2, $dst|$dst, $src2}",
1670 [(set GR8:$dst, (and GR8:$src1, imm:$src2)),
1671 (implicit EFLAGS)]>;
1672 def AND16ri : Ii16<0x81, MRM4r,
1673 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1674 "and{w}\t{$src2, $dst|$dst, $src2}",
1675 [(set GR16:$dst, (and GR16:$src1, imm:$src2)),
1676 (implicit EFLAGS)]>, OpSize;
1677 def AND32ri : Ii32<0x81, MRM4r,
1678 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1679 "and{l}\t{$src2, $dst|$dst, $src2}",
1680 [(set GR32:$dst, (and GR32:$src1, imm:$src2)),
1681 (implicit EFLAGS)]>;
1682 def AND16ri8 : Ii8<0x83, MRM4r,
1683 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1684 "and{w}\t{$src2, $dst|$dst, $src2}",
1685 [(set GR16:$dst, (and GR16:$src1, i16immSExt8:$src2)),
1686 (implicit EFLAGS)]>,
1688 def AND32ri8 : Ii8<0x83, MRM4r,
1689 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1690 "and{l}\t{$src2, $dst|$dst, $src2}",
1691 [(set GR32:$dst, (and GR32:$src1, i32immSExt8:$src2)),
1692 (implicit EFLAGS)]>;
1694 let isTwoAddress = 0 in {
1695 def AND8mr : I<0x20, MRMDestMem,
1696 (outs), (ins i8mem :$dst, GR8 :$src),
1697 "and{b}\t{$src, $dst|$dst, $src}",
1698 [(store (and (load addr:$dst), GR8:$src), addr:$dst),
1699 (implicit EFLAGS)]>;
1700 def AND16mr : I<0x21, MRMDestMem,
1701 (outs), (ins i16mem:$dst, GR16:$src),
1702 "and{w}\t{$src, $dst|$dst, $src}",
1703 [(store (and (load addr:$dst), GR16:$src), addr:$dst),
1704 (implicit EFLAGS)]>,
1706 def AND32mr : I<0x21, MRMDestMem,
1707 (outs), (ins i32mem:$dst, GR32:$src),
1708 "and{l}\t{$src, $dst|$dst, $src}",
1709 [(store (and (load addr:$dst), GR32:$src), addr:$dst),
1710 (implicit EFLAGS)]>;
1711 def AND8mi : Ii8<0x80, MRM4m,
1712 (outs), (ins i8mem :$dst, i8imm :$src),
1713 "and{b}\t{$src, $dst|$dst, $src}",
1714 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
1715 (implicit EFLAGS)]>;
1716 def AND16mi : Ii16<0x81, MRM4m,
1717 (outs), (ins i16mem:$dst, i16imm:$src),
1718 "and{w}\t{$src, $dst|$dst, $src}",
1719 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
1720 (implicit EFLAGS)]>,
1722 def AND32mi : Ii32<0x81, MRM4m,
1723 (outs), (ins i32mem:$dst, i32imm:$src),
1724 "and{l}\t{$src, $dst|$dst, $src}",
1725 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
1726 (implicit EFLAGS)]>;
1727 def AND16mi8 : Ii8<0x83, MRM4m,
1728 (outs), (ins i16mem:$dst, i16i8imm :$src),
1729 "and{w}\t{$src, $dst|$dst, $src}",
1730 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
1731 (implicit EFLAGS)]>,
1733 def AND32mi8 : Ii8<0x83, MRM4m,
1734 (outs), (ins i32mem:$dst, i32i8imm :$src),
1735 "and{l}\t{$src, $dst|$dst, $src}",
1736 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
1737 (implicit EFLAGS)]>;
1739 def AND8i8 : Ii8<0x24, RawFrm, (outs), (ins i8imm:$src),
1740 "and{b}\t{$src, %al|%al, $src}", []>;
1741 def AND16i16 : Ii16<0x25, RawFrm, (outs), (ins i16imm:$src),
1742 "and{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1743 def AND32i32 : Ii32<0x25, RawFrm, (outs), (ins i32imm:$src),
1744 "and{l}\t{$src, %eax|%eax, $src}", []>;
1749 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1750 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1751 "or{b}\t{$src2, $dst|$dst, $src2}",
1752 [(set GR8:$dst, (or GR8:$src1, GR8:$src2)),
1753 (implicit EFLAGS)]>;
1754 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1755 "or{w}\t{$src2, $dst|$dst, $src2}",
1756 [(set GR16:$dst, (or GR16:$src1, GR16:$src2)),
1757 (implicit EFLAGS)]>, OpSize;
1758 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1759 "or{l}\t{$src2, $dst|$dst, $src2}",
1760 [(set GR32:$dst, (or GR32:$src1, GR32:$src2)),
1761 (implicit EFLAGS)]>;
1763 def OR8rm : I<0x0A, MRMSrcMem , (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1764 "or{b}\t{$src2, $dst|$dst, $src2}",
1765 [(set GR8:$dst, (or GR8:$src1, (load addr:$src2))),
1766 (implicit EFLAGS)]>;
1767 def OR16rm : I<0x0B, MRMSrcMem , (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1768 "or{w}\t{$src2, $dst|$dst, $src2}",
1769 [(set GR16:$dst, (or GR16:$src1, (load addr:$src2))),
1770 (implicit EFLAGS)]>, OpSize;
1771 def OR32rm : I<0x0B, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1772 "or{l}\t{$src2, $dst|$dst, $src2}",
1773 [(set GR32:$dst, (or GR32:$src1, (load addr:$src2))),
1774 (implicit EFLAGS)]>;
1776 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1777 "or{b}\t{$src2, $dst|$dst, $src2}",
1778 [(set GR8:$dst, (or GR8:$src1, imm:$src2)),
1779 (implicit EFLAGS)]>;
1780 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1781 "or{w}\t{$src2, $dst|$dst, $src2}",
1782 [(set GR16:$dst, (or GR16:$src1, imm:$src2)),
1783 (implicit EFLAGS)]>, OpSize;
1784 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1785 "or{l}\t{$src2, $dst|$dst, $src2}",
1786 [(set GR32:$dst, (or GR32:$src1, imm:$src2)),
1787 (implicit EFLAGS)]>;
1789 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1790 "or{w}\t{$src2, $dst|$dst, $src2}",
1791 [(set GR16:$dst, (or GR16:$src1, i16immSExt8:$src2)),
1792 (implicit EFLAGS)]>, OpSize;
1793 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1794 "or{l}\t{$src2, $dst|$dst, $src2}",
1795 [(set GR32:$dst, (or GR32:$src1, i32immSExt8:$src2)),
1796 (implicit EFLAGS)]>;
1797 let isTwoAddress = 0 in {
1798 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1799 "or{b}\t{$src, $dst|$dst, $src}",
1800 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
1801 (implicit EFLAGS)]>;
1802 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1803 "or{w}\t{$src, $dst|$dst, $src}",
1804 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
1805 (implicit EFLAGS)]>, OpSize;
1806 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1807 "or{l}\t{$src, $dst|$dst, $src}",
1808 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
1809 (implicit EFLAGS)]>;
1810 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1811 "or{b}\t{$src, $dst|$dst, $src}",
1812 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
1813 (implicit EFLAGS)]>;
1814 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
1815 "or{w}\t{$src, $dst|$dst, $src}",
1816 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
1817 (implicit EFLAGS)]>,
1819 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
1820 "or{l}\t{$src, $dst|$dst, $src}",
1821 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
1822 (implicit EFLAGS)]>;
1823 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
1824 "or{w}\t{$src, $dst|$dst, $src}",
1825 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
1826 (implicit EFLAGS)]>,
1828 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
1829 "or{l}\t{$src, $dst|$dst, $src}",
1830 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
1831 (implicit EFLAGS)]>;
1833 def OR8i8 : Ii8 <0x0C, RawFrm, (outs), (ins i8imm:$src),
1834 "or{b}\t{$src, %al|%al, $src}", []>;
1835 def OR16i16 : Ii16 <0x0D, RawFrm, (outs), (ins i16imm:$src),
1836 "or{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1837 def OR32i32 : Ii32 <0x0D, RawFrm, (outs), (ins i32imm:$src),
1838 "or{l}\t{$src, %eax|%eax, $src}", []>;
1839 } // isTwoAddress = 0
1842 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1843 def XOR8rr : I<0x30, MRMDestReg,
1844 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1845 "xor{b}\t{$src2, $dst|$dst, $src2}",
1846 [(set GR8:$dst, (xor GR8:$src1, GR8:$src2)),
1847 (implicit EFLAGS)]>;
1848 def XOR16rr : I<0x31, MRMDestReg,
1849 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1850 "xor{w}\t{$src2, $dst|$dst, $src2}",
1851 [(set GR16:$dst, (xor GR16:$src1, GR16:$src2)),
1852 (implicit EFLAGS)]>, OpSize;
1853 def XOR32rr : I<0x31, MRMDestReg,
1854 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1855 "xor{l}\t{$src2, $dst|$dst, $src2}",
1856 [(set GR32:$dst, (xor GR32:$src1, GR32:$src2)),
1857 (implicit EFLAGS)]>;
1858 } // isCommutable = 1
1860 def XOR8rm : I<0x32, MRMSrcMem ,
1861 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
1862 "xor{b}\t{$src2, $dst|$dst, $src2}",
1863 [(set GR8:$dst, (xor GR8:$src1, (load addr:$src2))),
1864 (implicit EFLAGS)]>;
1865 def XOR16rm : I<0x33, MRMSrcMem ,
1866 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1867 "xor{w}\t{$src2, $dst|$dst, $src2}",
1868 [(set GR16:$dst, (xor GR16:$src1, (load addr:$src2))),
1869 (implicit EFLAGS)]>,
1871 def XOR32rm : I<0x33, MRMSrcMem ,
1872 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1873 "xor{l}\t{$src2, $dst|$dst, $src2}",
1874 [(set GR32:$dst, (xor GR32:$src1, (load addr:$src2))),
1875 (implicit EFLAGS)]>;
1877 def XOR8ri : Ii8<0x80, MRM6r,
1878 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1879 "xor{b}\t{$src2, $dst|$dst, $src2}",
1880 [(set GR8:$dst, (xor GR8:$src1, imm:$src2)),
1881 (implicit EFLAGS)]>;
1882 def XOR16ri : Ii16<0x81, MRM6r,
1883 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1884 "xor{w}\t{$src2, $dst|$dst, $src2}",
1885 [(set GR16:$dst, (xor GR16:$src1, imm:$src2)),
1886 (implicit EFLAGS)]>, OpSize;
1887 def XOR32ri : Ii32<0x81, MRM6r,
1888 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1889 "xor{l}\t{$src2, $dst|$dst, $src2}",
1890 [(set GR32:$dst, (xor GR32:$src1, imm:$src2)),
1891 (implicit EFLAGS)]>;
1892 def XOR16ri8 : Ii8<0x83, MRM6r,
1893 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1894 "xor{w}\t{$src2, $dst|$dst, $src2}",
1895 [(set GR16:$dst, (xor GR16:$src1, i16immSExt8:$src2)),
1896 (implicit EFLAGS)]>,
1898 def XOR32ri8 : Ii8<0x83, MRM6r,
1899 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1900 "xor{l}\t{$src2, $dst|$dst, $src2}",
1901 [(set GR32:$dst, (xor GR32:$src1, i32immSExt8:$src2)),
1902 (implicit EFLAGS)]>;
1904 let isTwoAddress = 0 in {
1905 def XOR8mr : I<0x30, MRMDestMem,
1906 (outs), (ins i8mem :$dst, GR8 :$src),
1907 "xor{b}\t{$src, $dst|$dst, $src}",
1908 [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
1909 (implicit EFLAGS)]>;
1910 def XOR16mr : I<0x31, MRMDestMem,
1911 (outs), (ins i16mem:$dst, GR16:$src),
1912 "xor{w}\t{$src, $dst|$dst, $src}",
1913 [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
1914 (implicit EFLAGS)]>,
1916 def XOR32mr : I<0x31, MRMDestMem,
1917 (outs), (ins i32mem:$dst, GR32:$src),
1918 "xor{l}\t{$src, $dst|$dst, $src}",
1919 [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
1920 (implicit EFLAGS)]>;
1921 def XOR8mi : Ii8<0x80, MRM6m,
1922 (outs), (ins i8mem :$dst, i8imm :$src),
1923 "xor{b}\t{$src, $dst|$dst, $src}",
1924 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
1925 (implicit EFLAGS)]>;
1926 def XOR16mi : Ii16<0x81, MRM6m,
1927 (outs), (ins i16mem:$dst, i16imm:$src),
1928 "xor{w}\t{$src, $dst|$dst, $src}",
1929 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
1930 (implicit EFLAGS)]>,
1932 def XOR32mi : Ii32<0x81, MRM6m,
1933 (outs), (ins i32mem:$dst, i32imm:$src),
1934 "xor{l}\t{$src, $dst|$dst, $src}",
1935 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
1936 (implicit EFLAGS)]>;
1937 def XOR16mi8 : Ii8<0x83, MRM6m,
1938 (outs), (ins i16mem:$dst, i16i8imm :$src),
1939 "xor{w}\t{$src, $dst|$dst, $src}",
1940 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
1941 (implicit EFLAGS)]>,
1943 def XOR32mi8 : Ii8<0x83, MRM6m,
1944 (outs), (ins i32mem:$dst, i32i8imm :$src),
1945 "xor{l}\t{$src, $dst|$dst, $src}",
1946 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
1947 (implicit EFLAGS)]>;
1949 def XOR8i8 : Ii8 <0x34, RawFrm, (outs), (ins i8imm:$src),
1950 "xor{b}\t{$src, %al|%al, $src}", []>;
1951 def XOR16i16 : Ii16 <0x35, RawFrm, (outs), (ins i16imm:$src),
1952 "xor{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1953 def XOR32i32 : Ii32 <0x35, RawFrm, (outs), (ins i32imm:$src),
1954 "xor{l}\t{$src, %eax|%eax, $src}", []>;
1955 } // isTwoAddress = 0
1956 } // Defs = [EFLAGS]
1958 // Shift instructions
1959 let Defs = [EFLAGS] in {
1960 let Uses = [CL] in {
1961 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src),
1962 "shl{b}\t{%cl, $dst|$dst, CL}",
1963 [(set GR8:$dst, (shl GR8:$src, CL))]>;
1964 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src),
1965 "shl{w}\t{%cl, $dst|$dst, CL}",
1966 [(set GR16:$dst, (shl GR16:$src, CL))]>, OpSize;
1967 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src),
1968 "shl{l}\t{%cl, $dst|$dst, CL}",
1969 [(set GR32:$dst, (shl GR32:$src, CL))]>;
1972 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1973 "shl{b}\t{$src2, $dst|$dst, $src2}",
1974 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
1975 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1976 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1977 "shl{w}\t{$src2, $dst|$dst, $src2}",
1978 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1979 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1980 "shl{l}\t{$src2, $dst|$dst, $src2}",
1981 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
1983 // NOTE: We don't include patterns for shifts of a register by one, because
1984 // 'add reg,reg' is cheaper.
1986 def SHL8r1 : I<0xD0, MRM4r, (outs GR8:$dst), (ins GR8:$src1),
1987 "shl{b}\t$dst", []>;
1988 def SHL16r1 : I<0xD1, MRM4r, (outs GR16:$dst), (ins GR16:$src1),
1989 "shl{w}\t$dst", []>, OpSize;
1990 def SHL32r1 : I<0xD1, MRM4r, (outs GR32:$dst), (ins GR32:$src1),
1991 "shl{l}\t$dst", []>;
1993 } // isConvertibleToThreeAddress = 1
1995 let isTwoAddress = 0 in {
1996 let Uses = [CL] in {
1997 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
1998 "shl{b}\t{%cl, $dst|$dst, CL}",
1999 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
2000 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
2001 "shl{w}\t{%cl, $dst|$dst, CL}",
2002 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2003 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
2004 "shl{l}\t{%cl, $dst|$dst, CL}",
2005 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
2007 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
2008 "shl{b}\t{$src, $dst|$dst, $src}",
2009 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2010 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
2011 "shl{w}\t{$src, $dst|$dst, $src}",
2012 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2014 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
2015 "shl{l}\t{$src, $dst|$dst, $src}",
2016 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2019 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
2021 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2022 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
2024 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2026 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
2028 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2031 let Uses = [CL] in {
2032 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src),
2033 "shr{b}\t{%cl, $dst|$dst, CL}",
2034 [(set GR8:$dst, (srl GR8:$src, CL))]>;
2035 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src),
2036 "shr{w}\t{%cl, $dst|$dst, CL}",
2037 [(set GR16:$dst, (srl GR16:$src, CL))]>, OpSize;
2038 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src),
2039 "shr{l}\t{%cl, $dst|$dst, CL}",
2040 [(set GR32:$dst, (srl GR32:$src, CL))]>;
2043 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2044 "shr{b}\t{$src2, $dst|$dst, $src2}",
2045 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
2046 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2047 "shr{w}\t{$src2, $dst|$dst, $src2}",
2048 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2049 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2050 "shr{l}\t{$src2, $dst|$dst, $src2}",
2051 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
2054 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
2056 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
2057 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
2059 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
2060 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
2062 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
2064 let isTwoAddress = 0 in {
2065 let Uses = [CL] in {
2066 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
2067 "shr{b}\t{%cl, $dst|$dst, CL}",
2068 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
2069 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
2070 "shr{w}\t{%cl, $dst|$dst, CL}",
2071 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
2073 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
2074 "shr{l}\t{%cl, $dst|$dst, CL}",
2075 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
2077 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
2078 "shr{b}\t{$src, $dst|$dst, $src}",
2079 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2080 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
2081 "shr{w}\t{$src, $dst|$dst, $src}",
2082 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2084 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
2085 "shr{l}\t{$src, $dst|$dst, $src}",
2086 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2089 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
2091 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2092 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
2094 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
2095 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
2097 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2100 let Uses = [CL] in {
2101 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src),
2102 "sar{b}\t{%cl, $dst|$dst, CL}",
2103 [(set GR8:$dst, (sra GR8:$src, CL))]>;
2104 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src),
2105 "sar{w}\t{%cl, $dst|$dst, CL}",
2106 [(set GR16:$dst, (sra GR16:$src, CL))]>, OpSize;
2107 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src),
2108 "sar{l}\t{%cl, $dst|$dst, CL}",
2109 [(set GR32:$dst, (sra GR32:$src, CL))]>;
2112 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2113 "sar{b}\t{$src2, $dst|$dst, $src2}",
2114 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
2115 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2116 "sar{w}\t{$src2, $dst|$dst, $src2}",
2117 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
2119 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2120 "sar{l}\t{$src2, $dst|$dst, $src2}",
2121 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
2124 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
2126 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
2127 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
2129 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
2130 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
2132 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
2134 let isTwoAddress = 0 in {
2135 let Uses = [CL] in {
2136 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
2137 "sar{b}\t{%cl, $dst|$dst, CL}",
2138 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
2139 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
2140 "sar{w}\t{%cl, $dst|$dst, CL}",
2141 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2142 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
2143 "sar{l}\t{%cl, $dst|$dst, CL}",
2144 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
2146 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
2147 "sar{b}\t{$src, $dst|$dst, $src}",
2148 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2149 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
2150 "sar{w}\t{$src, $dst|$dst, $src}",
2151 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2153 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
2154 "sar{l}\t{$src, $dst|$dst, $src}",
2155 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2158 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
2160 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2161 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
2163 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2165 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
2167 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2170 // Rotate instructions
2171 // FIXME: provide shorter instructions when imm8 == 1
2172 let Uses = [CL] in {
2173 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),
2174 "rol{b}\t{%cl, $dst|$dst, CL}",
2175 [(set GR8:$dst, (rotl GR8:$src, CL))]>;
2176 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src),
2177 "rol{w}\t{%cl, $dst|$dst, CL}",
2178 [(set GR16:$dst, (rotl GR16:$src, CL))]>, OpSize;
2179 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src),
2180 "rol{l}\t{%cl, $dst|$dst, CL}",
2181 [(set GR32:$dst, (rotl GR32:$src, CL))]>;
2184 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2185 "rol{b}\t{$src2, $dst|$dst, $src2}",
2186 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
2187 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2188 "rol{w}\t{$src2, $dst|$dst, $src2}",
2189 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2190 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2191 "rol{l}\t{$src2, $dst|$dst, $src2}",
2192 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
2195 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
2197 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
2198 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
2200 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
2201 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
2203 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
2205 let isTwoAddress = 0 in {
2206 let Uses = [CL] in {
2207 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
2208 "rol{b}\t{%cl, $dst|$dst, CL}",
2209 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
2210 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
2211 "rol{w}\t{%cl, $dst|$dst, CL}",
2212 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2213 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
2214 "rol{l}\t{%cl, $dst|$dst, CL}",
2215 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
2217 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
2218 "rol{b}\t{$src, $dst|$dst, $src}",
2219 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2220 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
2221 "rol{w}\t{$src, $dst|$dst, $src}",
2222 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2224 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
2225 "rol{l}\t{$src, $dst|$dst, $src}",
2226 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2229 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
2231 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2232 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
2234 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2236 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
2238 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2241 let Uses = [CL] in {
2242 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),
2243 "ror{b}\t{%cl, $dst|$dst, CL}",
2244 [(set GR8:$dst, (rotr GR8:$src, CL))]>;
2245 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src),
2246 "ror{w}\t{%cl, $dst|$dst, CL}",
2247 [(set GR16:$dst, (rotr GR16:$src, CL))]>, OpSize;
2248 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src),
2249 "ror{l}\t{%cl, $dst|$dst, CL}",
2250 [(set GR32:$dst, (rotr GR32:$src, CL))]>;
2253 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2254 "ror{b}\t{$src2, $dst|$dst, $src2}",
2255 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
2256 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2257 "ror{w}\t{$src2, $dst|$dst, $src2}",
2258 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2259 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2260 "ror{l}\t{$src2, $dst|$dst, $src2}",
2261 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
2264 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2266 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
2267 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2269 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
2270 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2272 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
2274 let isTwoAddress = 0 in {
2275 let Uses = [CL] in {
2276 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
2277 "ror{b}\t{%cl, $dst|$dst, CL}",
2278 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
2279 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
2280 "ror{w}\t{%cl, $dst|$dst, CL}",
2281 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2282 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
2283 "ror{l}\t{%cl, $dst|$dst, CL}",
2284 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
2286 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2287 "ror{b}\t{$src, $dst|$dst, $src}",
2288 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2289 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
2290 "ror{w}\t{$src, $dst|$dst, $src}",
2291 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2293 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
2294 "ror{l}\t{$src, $dst|$dst, $src}",
2295 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2298 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
2300 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2301 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
2303 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2305 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
2307 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2312 // Double shift instructions (generalizations of rotate)
2313 let Uses = [CL] in {
2314 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2315 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2316 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
2317 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2318 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2319 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
2320 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2321 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2322 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
2324 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2325 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2326 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
2330 let isCommutable = 1 in { // These instructions commute to each other.
2331 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
2332 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2333 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2334 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
2337 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
2338 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2339 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2340 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
2343 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
2344 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2345 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2346 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
2349 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
2350 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2351 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2352 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
2357 let isTwoAddress = 0 in {
2358 let Uses = [CL] in {
2359 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2360 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2361 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
2363 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2364 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2365 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
2368 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
2369 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2370 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2371 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
2372 (i8 imm:$src3)), addr:$dst)]>,
2374 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
2375 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2376 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2377 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
2378 (i8 imm:$src3)), addr:$dst)]>,
2381 let Uses = [CL] in {
2382 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2383 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2384 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
2385 addr:$dst)]>, TB, OpSize;
2386 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2387 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2388 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
2389 addr:$dst)]>, TB, OpSize;
2391 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
2392 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2393 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2394 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
2395 (i8 imm:$src3)), addr:$dst)]>,
2397 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
2398 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2399 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2400 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
2401 (i8 imm:$src3)), addr:$dst)]>,
2404 } // Defs = [EFLAGS]
2408 let Defs = [EFLAGS] in {
2409 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
2410 // Register-Register Addition
2411 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
2412 (ins GR8 :$src1, GR8 :$src2),
2413 "add{b}\t{$src2, $dst|$dst, $src2}",
2414 [(set GR8:$dst, (add GR8:$src1, GR8:$src2)),
2415 (implicit EFLAGS)]>;
2417 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2418 // Register-Register Addition
2419 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
2420 (ins GR16:$src1, GR16:$src2),
2421 "add{w}\t{$src2, $dst|$dst, $src2}",
2422 [(set GR16:$dst, (add GR16:$src1, GR16:$src2)),
2423 (implicit EFLAGS)]>, OpSize;
2424 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
2425 (ins GR32:$src1, GR32:$src2),
2426 "add{l}\t{$src2, $dst|$dst, $src2}",
2427 [(set GR32:$dst, (add GR32:$src1, GR32:$src2)),
2428 (implicit EFLAGS)]>;
2429 } // end isConvertibleToThreeAddress
2430 } // end isCommutable
2432 // Register-Memory Addition
2433 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
2434 (ins GR8 :$src1, i8mem :$src2),
2435 "add{b}\t{$src2, $dst|$dst, $src2}",
2436 [(set GR8:$dst, (add GR8:$src1, (load addr:$src2))),
2437 (implicit EFLAGS)]>;
2438 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
2439 (ins GR16:$src1, i16mem:$src2),
2440 "add{w}\t{$src2, $dst|$dst, $src2}",
2441 [(set GR16:$dst, (add GR16:$src1, (load addr:$src2))),
2442 (implicit EFLAGS)]>, OpSize;
2443 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
2444 (ins GR32:$src1, i32mem:$src2),
2445 "add{l}\t{$src2, $dst|$dst, $src2}",
2446 [(set GR32:$dst, (add GR32:$src1, (load addr:$src2))),
2447 (implicit EFLAGS)]>;
2449 // Register-Register Addition - Equivalent to the normal rr forms (ADD8rr,
2450 // ADD16rr, and ADD32rr), but differently encoded.
2451 def ADD8mrmrr: I<0x02, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2452 "add{b}\t{$src2, $dst|$dst, $src2}", []>;
2453 def ADD16mrmrr: I<0x03, MRMSrcReg,(outs GR16:$dst),(ins GR16:$src1, GR16:$src2),
2454 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2455 def ADD32mrmrr: I<0x03, MRMSrcReg,(outs GR16:$dst),(ins GR16:$src1, GR16:$src2),
2456 "add{l}\t{$src2, $dst|$dst, $src2}", []>;
2458 // Register-Integer Addition
2459 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2460 "add{b}\t{$src2, $dst|$dst, $src2}",
2461 [(set GR8:$dst, (add GR8:$src1, imm:$src2)),
2462 (implicit EFLAGS)]>;
2464 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2465 // Register-Integer Addition
2466 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
2467 (ins GR16:$src1, i16imm:$src2),
2468 "add{w}\t{$src2, $dst|$dst, $src2}",
2469 [(set GR16:$dst, (add GR16:$src1, imm:$src2)),
2470 (implicit EFLAGS)]>, OpSize;
2471 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2472 (ins GR32:$src1, i32imm:$src2),
2473 "add{l}\t{$src2, $dst|$dst, $src2}",
2474 [(set GR32:$dst, (add GR32:$src1, imm:$src2)),
2475 (implicit EFLAGS)]>;
2476 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2477 (ins GR16:$src1, i16i8imm:$src2),
2478 "add{w}\t{$src2, $dst|$dst, $src2}",
2479 [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2)),
2480 (implicit EFLAGS)]>, OpSize;
2481 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2482 (ins GR32:$src1, i32i8imm:$src2),
2483 "add{l}\t{$src2, $dst|$dst, $src2}",
2484 [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2)),
2485 (implicit EFLAGS)]>;
2488 let isTwoAddress = 0 in {
2489 // Memory-Register Addition
2490 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2491 "add{b}\t{$src2, $dst|$dst, $src2}",
2492 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2493 (implicit EFLAGS)]>;
2494 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2495 "add{w}\t{$src2, $dst|$dst, $src2}",
2496 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2497 (implicit EFLAGS)]>, OpSize;
2498 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2499 "add{l}\t{$src2, $dst|$dst, $src2}",
2500 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2501 (implicit EFLAGS)]>;
2502 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2503 "add{b}\t{$src2, $dst|$dst, $src2}",
2504 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2505 (implicit EFLAGS)]>;
2506 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2507 "add{w}\t{$src2, $dst|$dst, $src2}",
2508 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2509 (implicit EFLAGS)]>, OpSize;
2510 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2511 "add{l}\t{$src2, $dst|$dst, $src2}",
2512 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2513 (implicit EFLAGS)]>;
2514 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2515 "add{w}\t{$src2, $dst|$dst, $src2}",
2516 [(store (add (load addr:$dst), i16immSExt8:$src2),
2518 (implicit EFLAGS)]>, OpSize;
2519 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2520 "add{l}\t{$src2, $dst|$dst, $src2}",
2521 [(store (add (load addr:$dst), i32immSExt8:$src2),
2523 (implicit EFLAGS)]>;
2526 def ADD8i8 : Ii8<0x04, RawFrm, (outs), (ins i8imm:$src),
2527 "add{b}\t{$src, %al|%al, $src}", []>;
2528 def ADD16i16 : Ii16<0x05, RawFrm, (outs), (ins i16imm:$src),
2529 "add{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2530 def ADD32i32 : Ii32<0x05, RawFrm, (outs), (ins i32imm:$src),
2531 "add{l}\t{$src, %eax|%eax, $src}", []>;
2534 let Uses = [EFLAGS] in {
2535 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2536 def ADC8rr : I<0x10, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2537 "adc{b}\t{$src2, $dst|$dst, $src2}",
2538 [(set GR8:$dst, (adde GR8:$src1, GR8:$src2))]>;
2539 def ADC16rr : I<0x11, MRMDestReg, (outs GR16:$dst),
2540 (ins GR16:$src1, GR16:$src2),
2541 "adc{w}\t{$src2, $dst|$dst, $src2}",
2542 [(set GR16:$dst, (adde GR16:$src1, GR16:$src2))]>, OpSize;
2543 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst),
2544 (ins GR32:$src1, GR32:$src2),
2545 "adc{l}\t{$src2, $dst|$dst, $src2}",
2546 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2548 def ADC8rm : I<0x12, MRMSrcMem , (outs GR8:$dst),
2549 (ins GR8:$src1, i8mem:$src2),
2550 "adc{b}\t{$src2, $dst|$dst, $src2}",
2551 [(set GR8:$dst, (adde GR8:$src1, (load addr:$src2)))]>;
2552 def ADC16rm : I<0x13, MRMSrcMem , (outs GR16:$dst),
2553 (ins GR16:$src1, i16mem:$src2),
2554 "adc{w}\t{$src2, $dst|$dst, $src2}",
2555 [(set GR16:$dst, (adde GR16:$src1, (load addr:$src2)))]>,
2557 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst),
2558 (ins GR32:$src1, i32mem:$src2),
2559 "adc{l}\t{$src2, $dst|$dst, $src2}",
2560 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2561 def ADC8ri : Ii8<0x80, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2562 "adc{b}\t{$src2, $dst|$dst, $src2}",
2563 [(set GR8:$dst, (adde GR8:$src1, imm:$src2))]>;
2564 def ADC16ri : Ii16<0x81, MRM2r, (outs GR16:$dst),
2565 (ins GR16:$src1, i16imm:$src2),
2566 "adc{w}\t{$src2, $dst|$dst, $src2}",
2567 [(set GR16:$dst, (adde GR16:$src1, imm:$src2))]>, OpSize;
2568 def ADC16ri8 : Ii8<0x83, MRM2r, (outs GR16:$dst),
2569 (ins GR16:$src1, i16i8imm:$src2),
2570 "adc{w}\t{$src2, $dst|$dst, $src2}",
2571 [(set GR16:$dst, (adde GR16:$src1, i16immSExt8:$src2))]>,
2573 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst),
2574 (ins GR32:$src1, i32imm:$src2),
2575 "adc{l}\t{$src2, $dst|$dst, $src2}",
2576 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2577 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst),
2578 (ins GR32:$src1, i32i8imm:$src2),
2579 "adc{l}\t{$src2, $dst|$dst, $src2}",
2580 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2582 let isTwoAddress = 0 in {
2583 def ADC8mr : I<0x10, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2584 "adc{b}\t{$src2, $dst|$dst, $src2}",
2585 [(store (adde (load addr:$dst), GR8:$src2), addr:$dst)]>;
2586 def ADC16mr : I<0x11, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2587 "adc{w}\t{$src2, $dst|$dst, $src2}",
2588 [(store (adde (load addr:$dst), GR16:$src2), addr:$dst)]>,
2590 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2591 "adc{l}\t{$src2, $dst|$dst, $src2}",
2592 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2593 def ADC8mi : Ii8<0x80, MRM2m, (outs), (ins i8mem:$dst, i8imm:$src2),
2594 "adc{b}\t{$src2, $dst|$dst, $src2}",
2595 [(store (adde (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2596 def ADC16mi : Ii16<0x81, MRM2m, (outs), (ins i16mem:$dst, i16imm:$src2),
2597 "adc{w}\t{$src2, $dst|$dst, $src2}",
2598 [(store (adde (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2600 def ADC16mi8 : Ii8<0x83, MRM2m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2601 "adc{w}\t{$src2, $dst|$dst, $src2}",
2602 [(store (adde (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2604 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2605 "adc{l}\t{$src2, $dst|$dst, $src2}",
2606 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2607 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2608 "adc{l}\t{$src2, $dst|$dst, $src2}",
2609 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2611 def ADC8i8 : Ii8<0x14, RawFrm, (outs), (ins i8imm:$src),
2612 "adc{b}\t{$src, %al|%al, $src}", []>;
2613 def ADC16i16 : Ii16<0x15, RawFrm, (outs), (ins i16imm:$src),
2614 "adc{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2615 def ADC32i32 : Ii32<0x15, RawFrm, (outs), (ins i32imm:$src),
2616 "adc{l}\t{$src, %eax|%eax, $src}", []>;
2618 } // Uses = [EFLAGS]
2620 // Register-Register Subtraction
2621 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2622 "sub{b}\t{$src2, $dst|$dst, $src2}",
2623 [(set GR8:$dst, (sub GR8:$src1, GR8:$src2)),
2624 (implicit EFLAGS)]>;
2625 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2626 "sub{w}\t{$src2, $dst|$dst, $src2}",
2627 [(set GR16:$dst, (sub GR16:$src1, GR16:$src2)),
2628 (implicit EFLAGS)]>, OpSize;
2629 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2630 "sub{l}\t{$src2, $dst|$dst, $src2}",
2631 [(set GR32:$dst, (sub GR32:$src1, GR32:$src2)),
2632 (implicit EFLAGS)]>;
2634 // Register-Memory Subtraction
2635 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
2636 (ins GR8 :$src1, i8mem :$src2),
2637 "sub{b}\t{$src2, $dst|$dst, $src2}",
2638 [(set GR8:$dst, (sub GR8:$src1, (load addr:$src2))),
2639 (implicit EFLAGS)]>;
2640 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
2641 (ins GR16:$src1, i16mem:$src2),
2642 "sub{w}\t{$src2, $dst|$dst, $src2}",
2643 [(set GR16:$dst, (sub GR16:$src1, (load addr:$src2))),
2644 (implicit EFLAGS)]>, OpSize;
2645 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
2646 (ins GR32:$src1, i32mem:$src2),
2647 "sub{l}\t{$src2, $dst|$dst, $src2}",
2648 [(set GR32:$dst, (sub GR32:$src1, (load addr:$src2))),
2649 (implicit EFLAGS)]>;
2651 // Register-Integer Subtraction
2652 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
2653 (ins GR8:$src1, i8imm:$src2),
2654 "sub{b}\t{$src2, $dst|$dst, $src2}",
2655 [(set GR8:$dst, (sub GR8:$src1, imm:$src2)),
2656 (implicit EFLAGS)]>;
2657 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
2658 (ins GR16:$src1, i16imm:$src2),
2659 "sub{w}\t{$src2, $dst|$dst, $src2}",
2660 [(set GR16:$dst, (sub GR16:$src1, imm:$src2)),
2661 (implicit EFLAGS)]>, OpSize;
2662 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
2663 (ins GR32:$src1, i32imm:$src2),
2664 "sub{l}\t{$src2, $dst|$dst, $src2}",
2665 [(set GR32:$dst, (sub GR32:$src1, imm:$src2)),
2666 (implicit EFLAGS)]>;
2667 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
2668 (ins GR16:$src1, i16i8imm:$src2),
2669 "sub{w}\t{$src2, $dst|$dst, $src2}",
2670 [(set GR16:$dst, (sub GR16:$src1, i16immSExt8:$src2)),
2671 (implicit EFLAGS)]>, OpSize;
2672 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
2673 (ins GR32:$src1, i32i8imm:$src2),
2674 "sub{l}\t{$src2, $dst|$dst, $src2}",
2675 [(set GR32:$dst, (sub GR32:$src1, i32immSExt8:$src2)),
2676 (implicit EFLAGS)]>;
2678 let isTwoAddress = 0 in {
2679 // Memory-Register Subtraction
2680 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
2681 "sub{b}\t{$src2, $dst|$dst, $src2}",
2682 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
2683 (implicit EFLAGS)]>;
2684 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2685 "sub{w}\t{$src2, $dst|$dst, $src2}",
2686 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
2687 (implicit EFLAGS)]>, OpSize;
2688 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2689 "sub{l}\t{$src2, $dst|$dst, $src2}",
2690 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
2691 (implicit EFLAGS)]>;
2693 // Memory-Integer Subtraction
2694 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
2695 "sub{b}\t{$src2, $dst|$dst, $src2}",
2696 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
2697 (implicit EFLAGS)]>;
2698 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
2699 "sub{w}\t{$src2, $dst|$dst, $src2}",
2700 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
2701 (implicit EFLAGS)]>, OpSize;
2702 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
2703 "sub{l}\t{$src2, $dst|$dst, $src2}",
2704 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
2705 (implicit EFLAGS)]>;
2706 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2707 "sub{w}\t{$src2, $dst|$dst, $src2}",
2708 [(store (sub (load addr:$dst), i16immSExt8:$src2),
2710 (implicit EFLAGS)]>, OpSize;
2711 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2712 "sub{l}\t{$src2, $dst|$dst, $src2}",
2713 [(store (sub (load addr:$dst), i32immSExt8:$src2),
2715 (implicit EFLAGS)]>;
2717 def SUB8i8 : Ii8<0x2C, RawFrm, (outs), (ins i8imm:$src),
2718 "sub{b}\t{$src, %al|%al, $src}", []>;
2719 def SUB16i16 : Ii16<0x2D, RawFrm, (outs), (ins i16imm:$src),
2720 "sub{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2721 def SUB32i32 : Ii32<0x2D, RawFrm, (outs), (ins i32imm:$src),
2722 "sub{l}\t{$src, %eax|%eax, $src}", []>;
2725 let Uses = [EFLAGS] in {
2726 def SBB8rr : I<0x18, MRMDestReg, (outs GR8:$dst),
2727 (ins GR8:$src1, GR8:$src2),
2728 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2729 [(set GR8:$dst, (sube GR8:$src1, GR8:$src2))]>;
2730 def SBB16rr : I<0x19, MRMDestReg, (outs GR16:$dst),
2731 (ins GR16:$src1, GR16:$src2),
2732 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2733 [(set GR16:$dst, (sube GR16:$src1, GR16:$src2))]>, OpSize;
2734 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst),
2735 (ins GR32:$src1, GR32:$src2),
2736 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2737 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
2739 let isTwoAddress = 0 in {
2740 def SBB8mr : I<0x18, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2741 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2742 [(store (sube (load addr:$dst), GR8:$src2), addr:$dst)]>;
2743 def SBB16mr : I<0x19, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2744 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2745 [(store (sube (load addr:$dst), GR16:$src2), addr:$dst)]>,
2747 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2748 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2749 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
2750 def SBB8mi : Ii32<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
2751 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2752 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2753 def SBB16mi : Ii16<0x81, MRM3m, (outs), (ins i16mem:$dst, i16imm:$src2),
2754 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2755 [(store (sube (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2757 def SBB16mi8 : Ii8<0x83, MRM3m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2758 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2759 [(store (sube (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2761 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
2762 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2763 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2764 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2765 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2766 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2768 def SBB8i8 : Ii8<0x1C, RawFrm, (outs), (ins i8imm:$src),
2769 "sbb{b}\t{$src, %al|%al, $src}", []>;
2770 def SBB16i16 : Ii16<0x1D, RawFrm, (outs), (ins i16imm:$src),
2771 "sbb{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2772 def SBB32i32 : Ii32<0x1D, RawFrm, (outs), (ins i32imm:$src),
2773 "sbb{l}\t{$src, %eax|%eax, $src}", []>;
2775 def SBB8rm : I<0x1A, MRMSrcMem, (outs GR8:$dst), (ins GR8:$src1, i8mem:$src2),
2776 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2777 [(set GR8:$dst, (sube GR8:$src1, (load addr:$src2)))]>;
2778 def SBB16rm : I<0x1B, MRMSrcMem, (outs GR16:$dst),
2779 (ins GR16:$src1, i16mem:$src2),
2780 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2781 [(set GR16:$dst, (sube GR16:$src1, (load addr:$src2)))]>,
2783 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst),
2784 (ins GR32:$src1, i32mem:$src2),
2785 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2786 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
2787 def SBB8ri : Ii8<0x80, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2788 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2789 [(set GR8:$dst, (sube GR8:$src1, imm:$src2))]>;
2790 def SBB16ri : Ii16<0x81, MRM3r, (outs GR16:$dst),
2791 (ins GR16:$src1, i16imm:$src2),
2792 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2793 [(set GR16:$dst, (sube GR16:$src1, imm:$src2))]>, OpSize;
2794 def SBB16ri8 : Ii8<0x83, MRM3r, (outs GR16:$dst),
2795 (ins GR16:$src1, i16i8imm:$src2),
2796 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2797 [(set GR16:$dst, (sube GR16:$src1, i16immSExt8:$src2))]>,
2799 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst),
2800 (ins GR32:$src1, i32imm:$src2),
2801 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2802 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
2803 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst),
2804 (ins GR32:$src1, i32i8imm:$src2),
2805 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2806 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
2807 } // Uses = [EFLAGS]
2808 } // Defs = [EFLAGS]
2810 let Defs = [EFLAGS] in {
2811 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
2812 // Register-Register Signed Integer Multiply
2813 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2814 "imul{w}\t{$src2, $dst|$dst, $src2}",
2815 [(set GR16:$dst, (mul GR16:$src1, GR16:$src2)),
2816 (implicit EFLAGS)]>, TB, OpSize;
2817 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2818 "imul{l}\t{$src2, $dst|$dst, $src2}",
2819 [(set GR32:$dst, (mul GR32:$src1, GR32:$src2)),
2820 (implicit EFLAGS)]>, TB;
2823 // Register-Memory Signed Integer Multiply
2824 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
2825 (ins GR16:$src1, i16mem:$src2),
2826 "imul{w}\t{$src2, $dst|$dst, $src2}",
2827 [(set GR16:$dst, (mul GR16:$src1, (load addr:$src2))),
2828 (implicit EFLAGS)]>, TB, OpSize;
2829 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2830 "imul{l}\t{$src2, $dst|$dst, $src2}",
2831 [(set GR32:$dst, (mul GR32:$src1, (load addr:$src2))),
2832 (implicit EFLAGS)]>, TB;
2833 } // Defs = [EFLAGS]
2834 } // end Two Address instructions
2836 // Suprisingly enough, these are not two address instructions!
2837 let Defs = [EFLAGS] in {
2838 // Register-Integer Signed Integer Multiply
2839 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
2840 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2841 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2842 [(set GR16:$dst, (mul GR16:$src1, imm:$src2)),
2843 (implicit EFLAGS)]>, OpSize;
2844 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
2845 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2846 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2847 [(set GR32:$dst, (mul GR32:$src1, imm:$src2)),
2848 (implicit EFLAGS)]>;
2849 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
2850 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2851 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2852 [(set GR16:$dst, (mul GR16:$src1, i16immSExt8:$src2)),
2853 (implicit EFLAGS)]>, OpSize;
2854 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
2855 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2856 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2857 [(set GR32:$dst, (mul GR32:$src1, i32immSExt8:$src2)),
2858 (implicit EFLAGS)]>;
2860 // Memory-Integer Signed Integer Multiply
2861 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
2862 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
2863 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2864 [(set GR16:$dst, (mul (load addr:$src1), imm:$src2)),
2865 (implicit EFLAGS)]>, OpSize;
2866 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
2867 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
2868 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2869 [(set GR32:$dst, (mul (load addr:$src1), imm:$src2)),
2870 (implicit EFLAGS)]>;
2871 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
2872 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
2873 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2874 [(set GR16:$dst, (mul (load addr:$src1),
2875 i16immSExt8:$src2)),
2876 (implicit EFLAGS)]>, OpSize;
2877 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
2878 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
2879 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2880 [(set GR32:$dst, (mul (load addr:$src1),
2881 i32immSExt8:$src2)),
2882 (implicit EFLAGS)]>;
2883 } // Defs = [EFLAGS]
2885 //===----------------------------------------------------------------------===//
2886 // Test instructions are just like AND, except they don't generate a result.
2888 let Defs = [EFLAGS] in {
2889 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
2890 def TEST8rr : I<0x84, MRMDestReg, (outs), (ins GR8:$src1, GR8:$src2),
2891 "test{b}\t{$src2, $src1|$src1, $src2}",
2892 [(X86cmp (and_su GR8:$src1, GR8:$src2), 0),
2893 (implicit EFLAGS)]>;
2894 def TEST16rr : I<0x85, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2895 "test{w}\t{$src2, $src1|$src1, $src2}",
2896 [(X86cmp (and_su GR16:$src1, GR16:$src2), 0),
2897 (implicit EFLAGS)]>,
2899 def TEST32rr : I<0x85, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2900 "test{l}\t{$src2, $src1|$src1, $src2}",
2901 [(X86cmp (and_su GR32:$src1, GR32:$src2), 0),
2902 (implicit EFLAGS)]>;
2905 def TEST8i8 : Ii8<0xA8, RawFrm, (outs), (ins i8imm:$src),
2906 "test{b}\t{$src, %al|%al, $src}", []>;
2907 def TEST16i16 : Ii16<0xA9, RawFrm, (outs), (ins i16imm:$src),
2908 "test{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2909 def TEST32i32 : Ii32<0xA9, RawFrm, (outs), (ins i32imm:$src),
2910 "test{l}\t{$src, %eax|%eax, $src}", []>;
2912 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
2913 "test{b}\t{$src2, $src1|$src1, $src2}",
2914 [(X86cmp (and GR8:$src1, (loadi8 addr:$src2)), 0),
2915 (implicit EFLAGS)]>;
2916 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
2917 "test{w}\t{$src2, $src1|$src1, $src2}",
2918 [(X86cmp (and GR16:$src1, (loadi16 addr:$src2)), 0),
2919 (implicit EFLAGS)]>, OpSize;
2920 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
2921 "test{l}\t{$src2, $src1|$src1, $src2}",
2922 [(X86cmp (and GR32:$src1, (loadi32 addr:$src2)), 0),
2923 (implicit EFLAGS)]>;
2925 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
2926 (outs), (ins GR8:$src1, i8imm:$src2),
2927 "test{b}\t{$src2, $src1|$src1, $src2}",
2928 [(X86cmp (and_su GR8:$src1, imm:$src2), 0),
2929 (implicit EFLAGS)]>;
2930 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
2931 (outs), (ins GR16:$src1, i16imm:$src2),
2932 "test{w}\t{$src2, $src1|$src1, $src2}",
2933 [(X86cmp (and_su GR16:$src1, imm:$src2), 0),
2934 (implicit EFLAGS)]>, OpSize;
2935 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
2936 (outs), (ins GR32:$src1, i32imm:$src2),
2937 "test{l}\t{$src2, $src1|$src1, $src2}",
2938 [(X86cmp (and_su GR32:$src1, imm:$src2), 0),
2939 (implicit EFLAGS)]>;
2941 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
2942 (outs), (ins i8mem:$src1, i8imm:$src2),
2943 "test{b}\t{$src2, $src1|$src1, $src2}",
2944 [(X86cmp (and (loadi8 addr:$src1), imm:$src2), 0),
2945 (implicit EFLAGS)]>;
2946 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
2947 (outs), (ins i16mem:$src1, i16imm:$src2),
2948 "test{w}\t{$src2, $src1|$src1, $src2}",
2949 [(X86cmp (and (loadi16 addr:$src1), imm:$src2), 0),
2950 (implicit EFLAGS)]>, OpSize;
2951 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2952 (outs), (ins i32mem:$src1, i32imm:$src2),
2953 "test{l}\t{$src2, $src1|$src1, $src2}",
2954 [(X86cmp (and (loadi32 addr:$src1), imm:$src2), 0),
2955 (implicit EFLAGS)]>;
2956 } // Defs = [EFLAGS]
2959 // Condition code ops, incl. set if equal/not equal/...
2960 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
2961 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
2962 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
2963 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
2965 let Uses = [EFLAGS] in {
2966 def SETEr : I<0x94, MRM0r,
2967 (outs GR8 :$dst), (ins),
2969 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
2971 def SETEm : I<0x94, MRM0m,
2972 (outs), (ins i8mem:$dst),
2974 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
2977 def SETNEr : I<0x95, MRM0r,
2978 (outs GR8 :$dst), (ins),
2980 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
2982 def SETNEm : I<0x95, MRM0m,
2983 (outs), (ins i8mem:$dst),
2985 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
2988 def SETLr : I<0x9C, MRM0r,
2989 (outs GR8 :$dst), (ins),
2991 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
2992 TB; // GR8 = < signed
2993 def SETLm : I<0x9C, MRM0m,
2994 (outs), (ins i8mem:$dst),
2996 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
2997 TB; // [mem8] = < signed
2999 def SETGEr : I<0x9D, MRM0r,
3000 (outs GR8 :$dst), (ins),
3002 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
3003 TB; // GR8 = >= signed
3004 def SETGEm : I<0x9D, MRM0m,
3005 (outs), (ins i8mem:$dst),
3007 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
3008 TB; // [mem8] = >= signed
3010 def SETLEr : I<0x9E, MRM0r,
3011 (outs GR8 :$dst), (ins),
3013 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
3014 TB; // GR8 = <= signed
3015 def SETLEm : I<0x9E, MRM0m,
3016 (outs), (ins i8mem:$dst),
3018 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
3019 TB; // [mem8] = <= signed
3021 def SETGr : I<0x9F, MRM0r,
3022 (outs GR8 :$dst), (ins),
3024 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
3025 TB; // GR8 = > signed
3026 def SETGm : I<0x9F, MRM0m,
3027 (outs), (ins i8mem:$dst),
3029 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
3030 TB; // [mem8] = > signed
3032 def SETBr : I<0x92, MRM0r,
3033 (outs GR8 :$dst), (ins),
3035 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
3036 TB; // GR8 = < unsign
3037 def SETBm : I<0x92, MRM0m,
3038 (outs), (ins i8mem:$dst),
3040 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
3041 TB; // [mem8] = < unsign
3043 def SETAEr : I<0x93, MRM0r,
3044 (outs GR8 :$dst), (ins),
3046 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
3047 TB; // GR8 = >= unsign
3048 def SETAEm : I<0x93, MRM0m,
3049 (outs), (ins i8mem:$dst),
3051 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
3052 TB; // [mem8] = >= unsign
3054 def SETBEr : I<0x96, MRM0r,
3055 (outs GR8 :$dst), (ins),
3057 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
3058 TB; // GR8 = <= unsign
3059 def SETBEm : I<0x96, MRM0m,
3060 (outs), (ins i8mem:$dst),
3062 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
3063 TB; // [mem8] = <= unsign
3065 def SETAr : I<0x97, MRM0r,
3066 (outs GR8 :$dst), (ins),
3068 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
3069 TB; // GR8 = > signed
3070 def SETAm : I<0x97, MRM0m,
3071 (outs), (ins i8mem:$dst),
3073 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
3074 TB; // [mem8] = > signed
3076 def SETSr : I<0x98, MRM0r,
3077 (outs GR8 :$dst), (ins),
3079 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
3080 TB; // GR8 = <sign bit>
3081 def SETSm : I<0x98, MRM0m,
3082 (outs), (ins i8mem:$dst),
3084 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
3085 TB; // [mem8] = <sign bit>
3086 def SETNSr : I<0x99, MRM0r,
3087 (outs GR8 :$dst), (ins),
3089 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
3090 TB; // GR8 = !<sign bit>
3091 def SETNSm : I<0x99, MRM0m,
3092 (outs), (ins i8mem:$dst),
3094 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
3095 TB; // [mem8] = !<sign bit>
3097 def SETPr : I<0x9A, MRM0r,
3098 (outs GR8 :$dst), (ins),
3100 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
3102 def SETPm : I<0x9A, MRM0m,
3103 (outs), (ins i8mem:$dst),
3105 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
3106 TB; // [mem8] = parity
3107 def SETNPr : I<0x9B, MRM0r,
3108 (outs GR8 :$dst), (ins),
3110 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
3111 TB; // GR8 = not parity
3112 def SETNPm : I<0x9B, MRM0m,
3113 (outs), (ins i8mem:$dst),
3115 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
3116 TB; // [mem8] = not parity
3118 def SETOr : I<0x90, MRM0r,
3119 (outs GR8 :$dst), (ins),
3121 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
3122 TB; // GR8 = overflow
3123 def SETOm : I<0x90, MRM0m,
3124 (outs), (ins i8mem:$dst),
3126 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
3127 TB; // [mem8] = overflow
3128 def SETNOr : I<0x91, MRM0r,
3129 (outs GR8 :$dst), (ins),
3131 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
3132 TB; // GR8 = not overflow
3133 def SETNOm : I<0x91, MRM0m,
3134 (outs), (ins i8mem:$dst),
3136 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
3137 TB; // [mem8] = not overflow
3138 } // Uses = [EFLAGS]
3141 // Integer comparisons
3142 let Defs = [EFLAGS] in {
3143 def CMP8i8 : Ii8<0x3C, RawFrm, (outs), (ins i8imm:$src),
3144 "cmp{b}\t{$src, %al|%al, $src}", []>;
3145 def CMP16i16 : Ii16<0x3D, RawFrm, (outs), (ins i16imm:$src),
3146 "cmp{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3147 def CMP32i32 : Ii32<0x3D, RawFrm, (outs), (ins i32imm:$src),
3148 "cmp{l}\t{$src, %eax|%eax, $src}", []>;
3150 def CMP8rr : I<0x38, MRMDestReg,
3151 (outs), (ins GR8 :$src1, GR8 :$src2),
3152 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3153 [(X86cmp GR8:$src1, GR8:$src2), (implicit EFLAGS)]>;
3154 def CMP16rr : I<0x39, MRMDestReg,
3155 (outs), (ins GR16:$src1, GR16:$src2),
3156 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3157 [(X86cmp GR16:$src1, GR16:$src2), (implicit EFLAGS)]>, OpSize;
3158 def CMP32rr : I<0x39, MRMDestReg,
3159 (outs), (ins GR32:$src1, GR32:$src2),
3160 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3161 [(X86cmp GR32:$src1, GR32:$src2), (implicit EFLAGS)]>;
3162 def CMP8mr : I<0x38, MRMDestMem,
3163 (outs), (ins i8mem :$src1, GR8 :$src2),
3164 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3165 [(X86cmp (loadi8 addr:$src1), GR8:$src2),
3166 (implicit EFLAGS)]>;
3167 def CMP16mr : I<0x39, MRMDestMem,
3168 (outs), (ins i16mem:$src1, GR16:$src2),
3169 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3170 [(X86cmp (loadi16 addr:$src1), GR16:$src2),
3171 (implicit EFLAGS)]>, OpSize;
3172 def CMP32mr : I<0x39, MRMDestMem,
3173 (outs), (ins i32mem:$src1, GR32:$src2),
3174 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3175 [(X86cmp (loadi32 addr:$src1), GR32:$src2),
3176 (implicit EFLAGS)]>;
3177 def CMP8rm : I<0x3A, MRMSrcMem,
3178 (outs), (ins GR8 :$src1, i8mem :$src2),
3179 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3180 [(X86cmp GR8:$src1, (loadi8 addr:$src2)),
3181 (implicit EFLAGS)]>;
3182 def CMP16rm : I<0x3B, MRMSrcMem,
3183 (outs), (ins GR16:$src1, i16mem:$src2),
3184 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3185 [(X86cmp GR16:$src1, (loadi16 addr:$src2)),
3186 (implicit EFLAGS)]>, OpSize;
3187 def CMP32rm : I<0x3B, MRMSrcMem,
3188 (outs), (ins GR32:$src1, i32mem:$src2),
3189 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3190 [(X86cmp GR32:$src1, (loadi32 addr:$src2)),
3191 (implicit EFLAGS)]>;
3192 def CMP8ri : Ii8<0x80, MRM7r,
3193 (outs), (ins GR8:$src1, i8imm:$src2),
3194 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3195 [(X86cmp GR8:$src1, imm:$src2), (implicit EFLAGS)]>;
3196 def CMP16ri : Ii16<0x81, MRM7r,
3197 (outs), (ins GR16:$src1, i16imm:$src2),
3198 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3199 [(X86cmp GR16:$src1, imm:$src2),
3200 (implicit EFLAGS)]>, OpSize;
3201 def CMP32ri : Ii32<0x81, MRM7r,
3202 (outs), (ins GR32:$src1, i32imm:$src2),
3203 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3204 [(X86cmp GR32:$src1, imm:$src2), (implicit EFLAGS)]>;
3205 def CMP8mi : Ii8 <0x80, MRM7m,
3206 (outs), (ins i8mem :$src1, i8imm :$src2),
3207 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3208 [(X86cmp (loadi8 addr:$src1), imm:$src2),
3209 (implicit EFLAGS)]>;
3210 def CMP16mi : Ii16<0x81, MRM7m,
3211 (outs), (ins i16mem:$src1, i16imm:$src2),
3212 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3213 [(X86cmp (loadi16 addr:$src1), imm:$src2),
3214 (implicit EFLAGS)]>, OpSize;
3215 def CMP32mi : Ii32<0x81, MRM7m,
3216 (outs), (ins i32mem:$src1, i32imm:$src2),
3217 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3218 [(X86cmp (loadi32 addr:$src1), imm:$src2),
3219 (implicit EFLAGS)]>;
3220 def CMP16ri8 : Ii8<0x83, MRM7r,
3221 (outs), (ins GR16:$src1, i16i8imm:$src2),
3222 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3223 [(X86cmp GR16:$src1, i16immSExt8:$src2),
3224 (implicit EFLAGS)]>, OpSize;
3225 def CMP16mi8 : Ii8<0x83, MRM7m,
3226 (outs), (ins i16mem:$src1, i16i8imm:$src2),
3227 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3228 [(X86cmp (loadi16 addr:$src1), i16immSExt8:$src2),
3229 (implicit EFLAGS)]>, OpSize;
3230 def CMP32mi8 : Ii8<0x83, MRM7m,
3231 (outs), (ins i32mem:$src1, i32i8imm:$src2),
3232 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3233 [(X86cmp (loadi32 addr:$src1), i32immSExt8:$src2),
3234 (implicit EFLAGS)]>;
3235 def CMP32ri8 : Ii8<0x83, MRM7r,
3236 (outs), (ins GR32:$src1, i32i8imm:$src2),
3237 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3238 [(X86cmp GR32:$src1, i32immSExt8:$src2),
3239 (implicit EFLAGS)]>;
3240 } // Defs = [EFLAGS]
3243 // TODO: BTC, BTR, and BTS
3244 let Defs = [EFLAGS] in {
3245 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3246 "bt{w}\t{$src2, $src1|$src1, $src2}",
3247 [(X86bt GR16:$src1, GR16:$src2),
3248 (implicit EFLAGS)]>, OpSize, TB;
3249 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3250 "bt{l}\t{$src2, $src1|$src1, $src2}",
3251 [(X86bt GR32:$src1, GR32:$src2),
3252 (implicit EFLAGS)]>, TB;
3254 // Unlike with the register+register form, the memory+register form of the
3255 // bt instruction does not ignore the high bits of the index. From ISel's
3256 // perspective, this is pretty bizarre. Disable these instructions for now.
3257 //def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3258 // "bt{w}\t{$src2, $src1|$src1, $src2}",
3259 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
3260 // (implicit EFLAGS)]>, OpSize, TB, Requires<[FastBTMem]>;
3261 //def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3262 // "bt{l}\t{$src2, $src1|$src1, $src2}",
3263 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
3264 // (implicit EFLAGS)]>, TB, Requires<[FastBTMem]>;
3266 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3267 "bt{w}\t{$src2, $src1|$src1, $src2}",
3268 [(X86bt GR16:$src1, i16immSExt8:$src2),
3269 (implicit EFLAGS)]>, OpSize, TB;
3270 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3271 "bt{l}\t{$src2, $src1|$src1, $src2}",
3272 [(X86bt GR32:$src1, i32immSExt8:$src2),
3273 (implicit EFLAGS)]>, TB;
3274 // Note that these instructions don't need FastBTMem because that
3275 // only applies when the other operand is in a register. When it's
3276 // an immediate, bt is still fast.
3277 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3278 "bt{w}\t{$src2, $src1|$src1, $src2}",
3279 [(X86bt (loadi16 addr:$src1), i16immSExt8:$src2),
3280 (implicit EFLAGS)]>, OpSize, TB;
3281 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3282 "bt{l}\t{$src2, $src1|$src1, $src2}",
3283 [(X86bt (loadi32 addr:$src1), i32immSExt8:$src2),
3284 (implicit EFLAGS)]>, TB;
3285 } // Defs = [EFLAGS]
3287 // Sign/Zero extenders
3288 // Use movsbl intead of movsbw; we don't care about the high 16 bits
3289 // of the register here. This has a smaller encoding and avoids a
3290 // partial-register update.
3291 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3292 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3293 [(set GR16:$dst, (sext GR8:$src))]>, TB;
3294 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3295 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3296 [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
3297 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3298 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3299 [(set GR32:$dst, (sext GR8:$src))]>, TB;
3300 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3301 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3302 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
3303 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3304 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3305 [(set GR32:$dst, (sext GR16:$src))]>, TB;
3306 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3307 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3308 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
3310 // Use movzbl intead of movzbw; we don't care about the high 16 bits
3311 // of the register here. This has a smaller encoding and avoids a
3312 // partial-register update.
3313 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3314 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3315 [(set GR16:$dst, (zext GR8:$src))]>, TB;
3316 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3317 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3318 [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
3319 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3320 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3321 [(set GR32:$dst, (zext GR8:$src))]>, TB;
3322 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3323 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3324 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
3325 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3326 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3327 [(set GR32:$dst, (zext GR16:$src))]>, TB;
3328 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3329 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3330 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
3332 // These are the same as the regular regular MOVZX32rr8 and MOVZX32rm8
3333 // except that they use GR32_NOREX for the output operand register class
3334 // instead of GR32. This allows them to operate on h registers on x86-64.
3335 def MOVZX32_NOREXrr8 : I<0xB6, MRMSrcReg,
3336 (outs GR32_NOREX:$dst), (ins GR8:$src),
3337 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3340 def MOVZX32_NOREXrm8 : I<0xB6, MRMSrcMem,
3341 (outs GR32_NOREX:$dst), (ins i8mem:$src),
3342 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3345 let neverHasSideEffects = 1 in {
3346 let Defs = [AX], Uses = [AL] in
3347 def CBW : I<0x98, RawFrm, (outs), (ins),
3348 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
3349 let Defs = [EAX], Uses = [AX] in
3350 def CWDE : I<0x98, RawFrm, (outs), (ins),
3351 "{cwtl|cwde}", []>; // EAX = signext(AX)
3353 let Defs = [AX,DX], Uses = [AX] in
3354 def CWD : I<0x99, RawFrm, (outs), (ins),
3355 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
3356 let Defs = [EAX,EDX], Uses = [EAX] in
3357 def CDQ : I<0x99, RawFrm, (outs), (ins),
3358 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
3361 //===----------------------------------------------------------------------===//
3362 // Alias Instructions
3363 //===----------------------------------------------------------------------===//
3365 // Alias instructions that map movr0 to xor.
3366 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
3367 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1,
3368 isCodeGenOnly = 1 in {
3369 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins),
3370 "xor{b}\t$dst, $dst",
3371 [(set GR8:$dst, 0)]>;
3372 // Use xorl instead of xorw since we don't care about the high 16 bits,
3373 // it's smaller, and it avoids a partial-register update.
3374 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
3375 "xor{l}\t${dst:subreg32}, ${dst:subreg32}",
3376 [(set GR16:$dst, 0)]>;
3377 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins),
3378 "xor{l}\t$dst, $dst",
3379 [(set GR32:$dst, 0)]>;
3382 //===----------------------------------------------------------------------===//
3383 // Thread Local Storage Instructions
3386 // All calls clobber the non-callee saved registers. ESP is marked as
3387 // a use to prevent stack-pointer assignments that appear immediately
3388 // before calls from potentially appearing dead.
3389 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
3390 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
3391 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
3392 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
3394 def TLS_addr32 : I<0, Pseudo, (outs), (ins lea32mem:$sym),
3395 "leal\t$sym, %eax; "
3396 "call\t___tls_get_addr@PLT",
3397 [(X86tlsaddr tls32addr:$sym)]>,
3398 Requires<[In32BitMode]>;
3400 let AddedComplexity = 5, isCodeGenOnly = 1 in
3401 def GS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3402 "movl\t%gs:$src, $dst",
3403 [(set GR32:$dst, (gsload addr:$src))]>, SegGS;
3405 let AddedComplexity = 5, isCodeGenOnly = 1 in
3406 def FS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3407 "movl\t%fs:$src, $dst",
3408 [(set GR32:$dst, (fsload addr:$src))]>, SegFS;
3410 //===----------------------------------------------------------------------===//
3411 // DWARF Pseudo Instructions
3414 def DWARF_LOC : I<0, Pseudo, (outs),
3415 (ins i32imm:$line, i32imm:$col, i32imm:$file),
3416 ".loc\t$file $line $col",
3417 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
3420 //===----------------------------------------------------------------------===//
3421 // EH Pseudo Instructions
3423 let isTerminator = 1, isReturn = 1, isBarrier = 1,
3424 hasCtrlDep = 1, isCodeGenOnly = 1 in {
3425 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
3426 "ret\t#eh_return, addr: $addr",
3427 [(X86ehret GR32:$addr)]>;
3431 //===----------------------------------------------------------------------===//
3435 // Atomic swap. These are just normal xchg instructions. But since a memory
3436 // operand is referenced, the atomicity is ensured.
3437 let Constraints = "$val = $dst" in {
3438 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3439 "xchg{l}\t{$val, $ptr|$ptr, $val}",
3440 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
3441 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3442 "xchg{w}\t{$val, $ptr|$ptr, $val}",
3443 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
3445 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
3446 "xchg{b}\t{$val, $ptr|$ptr, $val}",
3447 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
3450 // Atomic compare and swap.
3451 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
3452 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
3454 "cmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
3455 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
3457 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
3458 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i32mem:$ptr),
3461 [(X86cas8 addr:$ptr)]>, TB, LOCK;
3464 let Defs = [AX, EFLAGS], Uses = [AX] in {
3465 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
3467 "cmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
3468 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
3470 let Defs = [AL, EFLAGS], Uses = [AL] in {
3471 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
3473 "cmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
3474 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
3477 // Atomic exchange and add
3478 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
3479 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3481 "xadd{l}\t{$val, $ptr|$ptr, $val}",
3482 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
3484 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3486 "xadd{w}\t{$val, $ptr|$ptr, $val}",
3487 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
3489 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
3491 "xadd{b}\t{$val, $ptr|$ptr, $val}",
3492 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
3496 // Optimized codegen when the non-memory output is not used.
3497 // FIXME: Use normal add / sub instructions and add lock prefix dynamically.
3498 def LOCK_ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
3500 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3501 def LOCK_ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3503 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3504 def LOCK_ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3506 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3507 def LOCK_ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
3509 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3510 def LOCK_ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
3512 "add{w}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3513 def LOCK_ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
3515 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3516 def LOCK_ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3518 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3519 def LOCK_ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3521 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3523 def LOCK_INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst),
3525 "inc{b}\t$dst", []>, LOCK;
3526 def LOCK_INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst),
3528 "inc{w}\t$dst", []>, OpSize, LOCK;
3529 def LOCK_INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst),
3531 "inc{l}\t$dst", []>, LOCK;
3533 def LOCK_SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
3535 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3536 def LOCK_SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3538 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3539 def LOCK_SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3541 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3542 def LOCK_SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
3544 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3545 def LOCK_SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
3547 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3548 def LOCK_SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
3550 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3551 def LOCK_SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3553 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3554 def LOCK_SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3556 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3558 def LOCK_DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst),
3560 "dec{b}\t$dst", []>, LOCK;
3561 def LOCK_DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst),
3563 "dec{w}\t$dst", []>, OpSize, LOCK;
3564 def LOCK_DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst),
3566 "dec{l}\t$dst", []>, LOCK;
3568 // Atomic exchange, and, or, xor
3569 let Constraints = "$val = $dst", Defs = [EFLAGS],
3570 usesCustomDAGSchedInserter = 1 in {
3571 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3572 "#ATOMAND32 PSEUDO!",
3573 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
3574 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3575 "#ATOMOR32 PSEUDO!",
3576 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
3577 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3578 "#ATOMXOR32 PSEUDO!",
3579 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
3580 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3581 "#ATOMNAND32 PSEUDO!",
3582 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
3583 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3584 "#ATOMMIN32 PSEUDO!",
3585 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
3586 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3587 "#ATOMMAX32 PSEUDO!",
3588 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
3589 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3590 "#ATOMUMIN32 PSEUDO!",
3591 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
3592 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3593 "#ATOMUMAX32 PSEUDO!",
3594 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
3596 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3597 "#ATOMAND16 PSEUDO!",
3598 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
3599 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3600 "#ATOMOR16 PSEUDO!",
3601 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
3602 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3603 "#ATOMXOR16 PSEUDO!",
3604 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
3605 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3606 "#ATOMNAND16 PSEUDO!",
3607 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
3608 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3609 "#ATOMMIN16 PSEUDO!",
3610 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
3611 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3612 "#ATOMMAX16 PSEUDO!",
3613 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
3614 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3615 "#ATOMUMIN16 PSEUDO!",
3616 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
3617 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3618 "#ATOMUMAX16 PSEUDO!",
3619 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
3621 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3622 "#ATOMAND8 PSEUDO!",
3623 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
3624 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3626 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
3627 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3628 "#ATOMXOR8 PSEUDO!",
3629 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
3630 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3631 "#ATOMNAND8 PSEUDO!",
3632 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
3635 let Constraints = "$val1 = $dst1, $val2 = $dst2",
3636 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
3637 Uses = [EAX, EBX, ECX, EDX],
3638 mayLoad = 1, mayStore = 1,
3639 usesCustomDAGSchedInserter = 1 in {
3640 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3641 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3642 "#ATOMAND6432 PSEUDO!", []>;
3643 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3644 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3645 "#ATOMOR6432 PSEUDO!", []>;
3646 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3647 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3648 "#ATOMXOR6432 PSEUDO!", []>;
3649 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3650 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3651 "#ATOMNAND6432 PSEUDO!", []>;
3652 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3653 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3654 "#ATOMADD6432 PSEUDO!", []>;
3655 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3656 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3657 "#ATOMSUB6432 PSEUDO!", []>;
3658 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3659 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3660 "#ATOMSWAP6432 PSEUDO!", []>;
3663 //===----------------------------------------------------------------------===//
3664 // Non-Instruction Patterns
3665 //===----------------------------------------------------------------------===//
3667 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
3668 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
3669 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
3670 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
3671 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
3672 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
3674 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
3675 (ADD32ri GR32:$src1, tconstpool:$src2)>;
3676 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
3677 (ADD32ri GR32:$src1, tjumptable:$src2)>;
3678 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
3679 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
3680 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
3681 (ADD32ri GR32:$src1, texternalsym:$src2)>;
3683 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
3684 (MOV32mi addr:$dst, tglobaladdr:$src)>;
3685 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
3686 (MOV32mi addr:$dst, texternalsym:$src)>;
3690 def : Pat<(X86tcret GR32:$dst, imm:$off),
3691 (TCRETURNri GR32:$dst, imm:$off)>;
3693 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
3694 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3696 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
3697 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3699 // Normal calls, with various flavors of addresses.
3700 def : Pat<(X86call (i32 tglobaladdr:$dst)),
3701 (CALLpcrel32 tglobaladdr:$dst)>;
3702 def : Pat<(X86call (i32 texternalsym:$dst)),
3703 (CALLpcrel32 texternalsym:$dst)>;
3704 def : Pat<(X86call (i32 imm:$dst)),
3705 (CALLpcrel32 imm:$dst)>, Requires<[CallImmAddr]>;
3707 // X86 specific add which produces a flag.
3708 def : Pat<(addc GR32:$src1, GR32:$src2),
3709 (ADD32rr GR32:$src1, GR32:$src2)>;
3710 def : Pat<(addc GR32:$src1, (load addr:$src2)),
3711 (ADD32rm GR32:$src1, addr:$src2)>;
3712 def : Pat<(addc GR32:$src1, imm:$src2),
3713 (ADD32ri GR32:$src1, imm:$src2)>;
3714 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
3715 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
3717 def : Pat<(subc GR32:$src1, GR32:$src2),
3718 (SUB32rr GR32:$src1, GR32:$src2)>;
3719 def : Pat<(subc GR32:$src1, (load addr:$src2)),
3720 (SUB32rm GR32:$src1, addr:$src2)>;
3721 def : Pat<(subc GR32:$src1, imm:$src2),
3722 (SUB32ri GR32:$src1, imm:$src2)>;
3723 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
3724 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
3728 // TEST R,R is smaller than CMP R,0
3729 def : Pat<(parallel (X86cmp GR8:$src1, 0), (implicit EFLAGS)),
3730 (TEST8rr GR8:$src1, GR8:$src1)>;
3731 def : Pat<(parallel (X86cmp GR16:$src1, 0), (implicit EFLAGS)),
3732 (TEST16rr GR16:$src1, GR16:$src1)>;
3733 def : Pat<(parallel (X86cmp GR32:$src1, 0), (implicit EFLAGS)),
3734 (TEST32rr GR32:$src1, GR32:$src1)>;
3736 // Conditional moves with folded loads with operands swapped and conditions
3738 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_B, EFLAGS),
3739 (CMOVAE16rm GR16:$src2, addr:$src1)>;
3740 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_B, EFLAGS),
3741 (CMOVAE32rm GR32:$src2, addr:$src1)>;
3742 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_AE, EFLAGS),
3743 (CMOVB16rm GR16:$src2, addr:$src1)>;
3744 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_AE, EFLAGS),
3745 (CMOVB32rm GR32:$src2, addr:$src1)>;
3746 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_E, EFLAGS),
3747 (CMOVNE16rm GR16:$src2, addr:$src1)>;
3748 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_E, EFLAGS),
3749 (CMOVNE32rm GR32:$src2, addr:$src1)>;
3750 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NE, EFLAGS),
3751 (CMOVE16rm GR16:$src2, addr:$src1)>;
3752 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NE, EFLAGS),
3753 (CMOVE32rm GR32:$src2, addr:$src1)>;
3754 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_BE, EFLAGS),
3755 (CMOVA16rm GR16:$src2, addr:$src1)>;
3756 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_BE, EFLAGS),
3757 (CMOVA32rm GR32:$src2, addr:$src1)>;
3758 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_A, EFLAGS),
3759 (CMOVBE16rm GR16:$src2, addr:$src1)>;
3760 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_A, EFLAGS),
3761 (CMOVBE32rm GR32:$src2, addr:$src1)>;
3762 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_L, EFLAGS),
3763 (CMOVGE16rm GR16:$src2, addr:$src1)>;
3764 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_L, EFLAGS),
3765 (CMOVGE32rm GR32:$src2, addr:$src1)>;
3766 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_GE, EFLAGS),
3767 (CMOVL16rm GR16:$src2, addr:$src1)>;
3768 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_GE, EFLAGS),
3769 (CMOVL32rm GR32:$src2, addr:$src1)>;
3770 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_LE, EFLAGS),
3771 (CMOVG16rm GR16:$src2, addr:$src1)>;
3772 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_LE, EFLAGS),
3773 (CMOVG32rm GR32:$src2, addr:$src1)>;
3774 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_G, EFLAGS),
3775 (CMOVLE16rm GR16:$src2, addr:$src1)>;
3776 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_G, EFLAGS),
3777 (CMOVLE32rm GR32:$src2, addr:$src1)>;
3778 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_P, EFLAGS),
3779 (CMOVNP16rm GR16:$src2, addr:$src1)>;
3780 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_P, EFLAGS),
3781 (CMOVNP32rm GR32:$src2, addr:$src1)>;
3782 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NP, EFLAGS),
3783 (CMOVP16rm GR16:$src2, addr:$src1)>;
3784 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NP, EFLAGS),
3785 (CMOVP32rm GR32:$src2, addr:$src1)>;
3786 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_S, EFLAGS),
3787 (CMOVNS16rm GR16:$src2, addr:$src1)>;
3788 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_S, EFLAGS),
3789 (CMOVNS32rm GR32:$src2, addr:$src1)>;
3790 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NS, EFLAGS),
3791 (CMOVS16rm GR16:$src2, addr:$src1)>;
3792 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NS, EFLAGS),
3793 (CMOVS32rm GR32:$src2, addr:$src1)>;
3794 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_O, EFLAGS),
3795 (CMOVNO16rm GR16:$src2, addr:$src1)>;
3796 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_O, EFLAGS),
3797 (CMOVNO32rm GR32:$src2, addr:$src1)>;
3798 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NO, EFLAGS),
3799 (CMOVO16rm GR16:$src2, addr:$src1)>;
3800 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NO, EFLAGS),
3801 (CMOVO32rm GR32:$src2, addr:$src1)>;
3803 // zextload bool -> zextload byte
3804 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3805 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
3806 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3808 // extload bool -> extload byte
3809 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3810 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
3811 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3812 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>;
3813 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
3814 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
3816 // anyext. Define these to do an explicit zero-extend to
3817 // avoid partial-register updates.
3818 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>;
3819 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>;
3820 def : Pat<(i32 (anyext GR16:$src)), (MOVZX32rr16 GR16:$src)>;
3822 // (and (i32 load), 255) -> (zextload i8)
3823 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 255))),
3824 (MOVZX32rm8 addr:$src)>;
3825 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 65535))),
3826 (MOVZX32rm16 addr:$src)>;
3828 //===----------------------------------------------------------------------===//
3830 //===----------------------------------------------------------------------===//
3832 // Odd encoding trick: -128 fits into an 8-bit immediate field while
3833 // +128 doesn't, so in this special case use a sub instead of an add.
3834 def : Pat<(add GR16:$src1, 128),
3835 (SUB16ri8 GR16:$src1, -128)>;
3836 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
3837 (SUB16mi8 addr:$dst, -128)>;
3838 def : Pat<(add GR32:$src1, 128),
3839 (SUB32ri8 GR32:$src1, -128)>;
3840 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
3841 (SUB32mi8 addr:$dst, -128)>;
3843 // r & (2^16-1) ==> movz
3844 def : Pat<(and GR32:$src1, 0xffff),
3845 (MOVZX32rr16 (EXTRACT_SUBREG GR32:$src1, x86_subreg_16bit))>;
3846 // r & (2^8-1) ==> movz
3847 def : Pat<(and GR32:$src1, 0xff),
3848 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src1, GR32_ABCD),
3850 Requires<[In32BitMode]>;
3851 // r & (2^8-1) ==> movz
3852 def : Pat<(and GR16:$src1, 0xff),
3853 (MOVZX16rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src1, GR16_ABCD),
3855 Requires<[In32BitMode]>;
3857 // sext_inreg patterns
3858 def : Pat<(sext_inreg GR32:$src, i16),
3859 (MOVSX32rr16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
3860 def : Pat<(sext_inreg GR32:$src, i8),
3861 (MOVSX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3863 Requires<[In32BitMode]>;
3864 def : Pat<(sext_inreg GR16:$src, i8),
3865 (MOVSX16rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3867 Requires<[In32BitMode]>;
3870 def : Pat<(i16 (trunc GR32:$src)),
3871 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit)>;
3872 def : Pat<(i8 (trunc GR32:$src)),
3873 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3875 Requires<[In32BitMode]>;
3876 def : Pat<(i8 (trunc GR16:$src)),
3877 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3879 Requires<[In32BitMode]>;
3881 // h-register tricks
3882 def : Pat<(i8 (trunc (srl_su GR16:$src, (i8 8)))),
3883 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3884 x86_subreg_8bit_hi)>,
3885 Requires<[In32BitMode]>;
3886 def : Pat<(i8 (trunc (srl_su GR32:$src, (i8 8)))),
3887 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3888 x86_subreg_8bit_hi)>,
3889 Requires<[In32BitMode]>;
3890 def : Pat<(srl_su GR16:$src, (i8 8)),
3893 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3894 x86_subreg_8bit_hi)),
3896 Requires<[In32BitMode]>;
3897 def : Pat<(i32 (zext (srl_su GR16:$src, (i8 8)))),
3898 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3899 x86_subreg_8bit_hi))>,
3900 Requires<[In32BitMode]>;
3901 def : Pat<(i32 (anyext (srl_su GR16:$src, (i8 8)))),
3902 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3903 x86_subreg_8bit_hi))>,
3904 Requires<[In32BitMode]>;
3905 def : Pat<(and (srl_su GR32:$src, (i8 8)), (i32 255)),
3906 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3907 x86_subreg_8bit_hi))>,
3908 Requires<[In32BitMode]>;
3910 // (shl x, 1) ==> (add x, x)
3911 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
3912 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
3913 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
3915 // (shl x (and y, 31)) ==> (shl x, y)
3916 def : Pat<(shl GR8:$src1, (and CL:$amt, 31)),
3917 (SHL8rCL GR8:$src1)>;
3918 def : Pat<(shl GR16:$src1, (and CL:$amt, 31)),
3919 (SHL16rCL GR16:$src1)>;
3920 def : Pat<(shl GR32:$src1, (and CL:$amt, 31)),
3921 (SHL32rCL GR32:$src1)>;
3922 def : Pat<(store (shl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3923 (SHL8mCL addr:$dst)>;
3924 def : Pat<(store (shl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3925 (SHL16mCL addr:$dst)>;
3926 def : Pat<(store (shl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3927 (SHL32mCL addr:$dst)>;
3929 def : Pat<(srl GR8:$src1, (and CL:$amt, 31)),
3930 (SHR8rCL GR8:$src1)>;
3931 def : Pat<(srl GR16:$src1, (and CL:$amt, 31)),
3932 (SHR16rCL GR16:$src1)>;
3933 def : Pat<(srl GR32:$src1, (and CL:$amt, 31)),
3934 (SHR32rCL GR32:$src1)>;
3935 def : Pat<(store (srl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3936 (SHR8mCL addr:$dst)>;
3937 def : Pat<(store (srl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3938 (SHR16mCL addr:$dst)>;
3939 def : Pat<(store (srl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3940 (SHR32mCL addr:$dst)>;
3942 def : Pat<(sra GR8:$src1, (and CL:$amt, 31)),
3943 (SAR8rCL GR8:$src1)>;
3944 def : Pat<(sra GR16:$src1, (and CL:$amt, 31)),
3945 (SAR16rCL GR16:$src1)>;
3946 def : Pat<(sra GR32:$src1, (and CL:$amt, 31)),
3947 (SAR32rCL GR32:$src1)>;
3948 def : Pat<(store (sra (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3949 (SAR8mCL addr:$dst)>;
3950 def : Pat<(store (sra (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3951 (SAR16mCL addr:$dst)>;
3952 def : Pat<(store (sra (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3953 (SAR32mCL addr:$dst)>;
3955 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
3956 def : Pat<(or (srl GR32:$src1, CL:$amt),
3957 (shl GR32:$src2, (sub 32, CL:$amt))),
3958 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3960 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
3961 (shl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3962 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3964 def : Pat<(or (srl GR32:$src1, (i8 (trunc ECX:$amt))),
3965 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3966 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3968 def : Pat<(store (or (srl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3969 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3971 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3973 def : Pat<(shrd GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3974 (SHRD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3976 def : Pat<(store (shrd (loadi32 addr:$dst), (i8 imm:$amt1),
3977 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3978 (SHRD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3980 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
3981 def : Pat<(or (shl GR32:$src1, CL:$amt),
3982 (srl GR32:$src2, (sub 32, CL:$amt))),
3983 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3985 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
3986 (srl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3987 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3989 def : Pat<(or (shl GR32:$src1, (i8 (trunc ECX:$amt))),
3990 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3991 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3993 def : Pat<(store (or (shl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3994 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3996 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3998 def : Pat<(shld GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3999 (SHLD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
4001 def : Pat<(store (shld (loadi32 addr:$dst), (i8 imm:$amt1),
4002 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
4003 (SHLD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
4005 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
4006 def : Pat<(or (srl GR16:$src1, CL:$amt),
4007 (shl GR16:$src2, (sub 16, CL:$amt))),
4008 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
4010 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
4011 (shl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
4012 (SHRD16mrCL addr:$dst, GR16:$src2)>;
4014 def : Pat<(or (srl GR16:$src1, (i8 (trunc CX:$amt))),
4015 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
4016 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
4018 def : Pat<(store (or (srl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
4019 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
4021 (SHRD16mrCL addr:$dst, GR16:$src2)>;
4023 def : Pat<(shrd GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
4024 (SHRD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
4026 def : Pat<(store (shrd (loadi16 addr:$dst), (i8 imm:$amt1),
4027 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
4028 (SHRD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
4030 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
4031 def : Pat<(or (shl GR16:$src1, CL:$amt),
4032 (srl GR16:$src2, (sub 16, CL:$amt))),
4033 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
4035 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
4036 (srl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
4037 (SHLD16mrCL addr:$dst, GR16:$src2)>;
4039 def : Pat<(or (shl GR16:$src1, (i8 (trunc CX:$amt))),
4040 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
4041 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
4043 def : Pat<(store (or (shl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
4044 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
4046 (SHLD16mrCL addr:$dst, GR16:$src2)>;
4048 def : Pat<(shld GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
4049 (SHLD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
4051 def : Pat<(store (shld (loadi16 addr:$dst), (i8 imm:$amt1),
4052 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
4053 (SHLD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
4055 //===----------------------------------------------------------------------===//
4056 // EFLAGS-defining Patterns
4057 //===----------------------------------------------------------------------===//
4059 // Register-Register Addition with EFLAGS result
4060 def : Pat<(parallel (X86add_flag GR8:$src1, GR8:$src2),
4062 (ADD8rr GR8:$src1, GR8:$src2)>;
4063 def : Pat<(parallel (X86add_flag GR16:$src1, GR16:$src2),
4065 (ADD16rr GR16:$src1, GR16:$src2)>;
4066 def : Pat<(parallel (X86add_flag GR32:$src1, GR32:$src2),
4068 (ADD32rr GR32:$src1, GR32:$src2)>;
4070 // Register-Memory Addition with EFLAGS result
4071 def : Pat<(parallel (X86add_flag GR8:$src1, (loadi8 addr:$src2)),
4073 (ADD8rm GR8:$src1, addr:$src2)>;
4074 def : Pat<(parallel (X86add_flag GR16:$src1, (loadi16 addr:$src2)),
4076 (ADD16rm GR16:$src1, addr:$src2)>;
4077 def : Pat<(parallel (X86add_flag GR32:$src1, (loadi32 addr:$src2)),
4079 (ADD32rm GR32:$src1, addr:$src2)>;
4081 // Register-Integer Addition with EFLAGS result
4082 def : Pat<(parallel (X86add_flag GR8:$src1, imm:$src2),
4084 (ADD8ri GR8:$src1, imm:$src2)>;
4085 def : Pat<(parallel (X86add_flag GR16:$src1, imm:$src2),
4087 (ADD16ri GR16:$src1, imm:$src2)>;
4088 def : Pat<(parallel (X86add_flag GR32:$src1, imm:$src2),
4090 (ADD32ri GR32:$src1, imm:$src2)>;
4091 def : Pat<(parallel (X86add_flag GR16:$src1, i16immSExt8:$src2),
4093 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4094 def : Pat<(parallel (X86add_flag GR32:$src1, i32immSExt8:$src2),
4096 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4098 // Memory-Register Addition with EFLAGS result
4099 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), GR8:$src2),
4102 (ADD8mr addr:$dst, GR8:$src2)>;
4103 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), GR16:$src2),
4106 (ADD16mr addr:$dst, GR16:$src2)>;
4107 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), GR32:$src2),
4110 (ADD32mr addr:$dst, GR32:$src2)>;
4112 // Memory-Integer Addition with EFLAGS result
4113 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), imm:$src2),
4116 (ADD8mi addr:$dst, imm:$src2)>;
4117 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), imm:$src2),
4120 (ADD16mi addr:$dst, imm:$src2)>;
4121 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), imm:$src2),
4124 (ADD32mi addr:$dst, imm:$src2)>;
4125 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), i16immSExt8:$src2),
4128 (ADD16mi8 addr:$dst, i16immSExt8:$src2)>;
4129 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), i32immSExt8:$src2),
4132 (ADD32mi8 addr:$dst, i32immSExt8:$src2)>;
4134 // Register-Register Subtraction with EFLAGS result
4135 def : Pat<(parallel (X86sub_flag GR8:$src1, GR8:$src2),
4137 (SUB8rr GR8:$src1, GR8:$src2)>;
4138 def : Pat<(parallel (X86sub_flag GR16:$src1, GR16:$src2),
4140 (SUB16rr GR16:$src1, GR16:$src2)>;
4141 def : Pat<(parallel (X86sub_flag GR32:$src1, GR32:$src2),
4143 (SUB32rr GR32:$src1, GR32:$src2)>;
4145 // Register-Memory Subtraction with EFLAGS result
4146 def : Pat<(parallel (X86sub_flag GR8:$src1, (loadi8 addr:$src2)),
4148 (SUB8rm GR8:$src1, addr:$src2)>;
4149 def : Pat<(parallel (X86sub_flag GR16:$src1, (loadi16 addr:$src2)),
4151 (SUB16rm GR16:$src1, addr:$src2)>;
4152 def : Pat<(parallel (X86sub_flag GR32:$src1, (loadi32 addr:$src2)),
4154 (SUB32rm GR32:$src1, addr:$src2)>;
4156 // Register-Integer Subtraction with EFLAGS result
4157 def : Pat<(parallel (X86sub_flag GR8:$src1, imm:$src2),
4159 (SUB8ri GR8:$src1, imm:$src2)>;
4160 def : Pat<(parallel (X86sub_flag GR16:$src1, imm:$src2),
4162 (SUB16ri GR16:$src1, imm:$src2)>;
4163 def : Pat<(parallel (X86sub_flag GR32:$src1, imm:$src2),
4165 (SUB32ri GR32:$src1, imm:$src2)>;
4166 def : Pat<(parallel (X86sub_flag GR16:$src1, i16immSExt8:$src2),
4168 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
4169 def : Pat<(parallel (X86sub_flag GR32:$src1, i32immSExt8:$src2),
4171 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4173 // Memory-Register Subtraction with EFLAGS result
4174 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), GR8:$src2),
4177 (SUB8mr addr:$dst, GR8:$src2)>;
4178 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), GR16:$src2),
4181 (SUB16mr addr:$dst, GR16:$src2)>;
4182 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), GR32:$src2),
4185 (SUB32mr addr:$dst, GR32:$src2)>;
4187 // Memory-Integer Subtraction with EFLAGS result
4188 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), imm:$src2),
4191 (SUB8mi addr:$dst, imm:$src2)>;
4192 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), imm:$src2),
4195 (SUB16mi addr:$dst, imm:$src2)>;
4196 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), imm:$src2),
4199 (SUB32mi addr:$dst, imm:$src2)>;
4200 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), i16immSExt8:$src2),
4203 (SUB16mi8 addr:$dst, i16immSExt8:$src2)>;
4204 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), i32immSExt8:$src2),
4207 (SUB32mi8 addr:$dst, i32immSExt8:$src2)>;
4210 // Register-Register Signed Integer Multiply with EFLAGS result
4211 def : Pat<(parallel (X86smul_flag GR16:$src1, GR16:$src2),
4213 (IMUL16rr GR16:$src1, GR16:$src2)>;
4214 def : Pat<(parallel (X86smul_flag GR32:$src1, GR32:$src2),
4216 (IMUL32rr GR32:$src1, GR32:$src2)>;
4218 // Register-Memory Signed Integer Multiply with EFLAGS result
4219 def : Pat<(parallel (X86smul_flag GR16:$src1, (loadi16 addr:$src2)),
4221 (IMUL16rm GR16:$src1, addr:$src2)>;
4222 def : Pat<(parallel (X86smul_flag GR32:$src1, (loadi32 addr:$src2)),
4224 (IMUL32rm GR32:$src1, addr:$src2)>;
4226 // Register-Integer Signed Integer Multiply with EFLAGS result
4227 def : Pat<(parallel (X86smul_flag GR16:$src1, imm:$src2),
4229 (IMUL16rri GR16:$src1, imm:$src2)>;
4230 def : Pat<(parallel (X86smul_flag GR32:$src1, imm:$src2),
4232 (IMUL32rri GR32:$src1, imm:$src2)>;
4233 def : Pat<(parallel (X86smul_flag GR16:$src1, i16immSExt8:$src2),
4235 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
4236 def : Pat<(parallel (X86smul_flag GR32:$src1, i32immSExt8:$src2),
4238 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
4240 // Memory-Integer Signed Integer Multiply with EFLAGS result
4241 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), imm:$src2),
4243 (IMUL16rmi addr:$src1, imm:$src2)>;
4244 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), imm:$src2),
4246 (IMUL32rmi addr:$src1, imm:$src2)>;
4247 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), i16immSExt8:$src2),
4249 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
4250 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), i32immSExt8:$src2),
4252 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
4254 // Optimize multiply by 2 with EFLAGS result.
4255 let AddedComplexity = 2 in {
4256 def : Pat<(parallel (X86smul_flag GR16:$src1, 2),
4258 (ADD16rr GR16:$src1, GR16:$src1)>;
4260 def : Pat<(parallel (X86smul_flag GR32:$src1, 2),
4262 (ADD32rr GR32:$src1, GR32:$src1)>;
4265 // INC and DEC with EFLAGS result. Note that these do not set CF.
4266 def : Pat<(parallel (X86inc_flag GR8:$src), (implicit EFLAGS)),
4268 def : Pat<(parallel (store (i8 (X86inc_flag (loadi8 addr:$dst))), addr:$dst),
4271 def : Pat<(parallel (X86dec_flag GR8:$src), (implicit EFLAGS)),
4273 def : Pat<(parallel (store (i8 (X86dec_flag (loadi8 addr:$dst))), addr:$dst),
4277 def : Pat<(parallel (X86inc_flag GR16:$src), (implicit EFLAGS)),
4278 (INC16r GR16:$src)>, Requires<[In32BitMode]>;
4279 def : Pat<(parallel (store (i16 (X86inc_flag (loadi16 addr:$dst))), addr:$dst),
4281 (INC16m addr:$dst)>, Requires<[In32BitMode]>;
4282 def : Pat<(parallel (X86dec_flag GR16:$src), (implicit EFLAGS)),
4283 (DEC16r GR16:$src)>, Requires<[In32BitMode]>;
4284 def : Pat<(parallel (store (i16 (X86dec_flag (loadi16 addr:$dst))), addr:$dst),
4286 (DEC16m addr:$dst)>, Requires<[In32BitMode]>;
4288 def : Pat<(parallel (X86inc_flag GR32:$src), (implicit EFLAGS)),
4289 (INC32r GR32:$src)>, Requires<[In32BitMode]>;
4290 def : Pat<(parallel (store (i32 (X86inc_flag (loadi32 addr:$dst))), addr:$dst),
4292 (INC32m addr:$dst)>, Requires<[In32BitMode]>;
4293 def : Pat<(parallel (X86dec_flag GR32:$src), (implicit EFLAGS)),
4294 (DEC32r GR32:$src)>, Requires<[In32BitMode]>;
4295 def : Pat<(parallel (store (i32 (X86dec_flag (loadi32 addr:$dst))), addr:$dst),
4297 (DEC32m addr:$dst)>, Requires<[In32BitMode]>;
4299 // -disable-16bit support.
4300 def : Pat<(truncstorei16 (i32 imm:$src), addr:$dst),
4301 (MOV16mi addr:$dst, imm:$src)>;
4302 def : Pat<(truncstorei16 GR32:$src, addr:$dst),
4303 (MOV16mr addr:$dst, (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
4304 def : Pat<(i32 (sextloadi16 addr:$dst)),
4305 (MOVSX32rm16 addr:$dst)>;
4306 def : Pat<(i32 (zextloadi16 addr:$dst)),
4307 (MOVZX32rm16 addr:$dst)>;
4308 def : Pat<(i32 (extloadi16 addr:$dst)),
4309 (MOVZX32rm16 addr:$dst)>;
4311 //===----------------------------------------------------------------------===//
4312 // Floating Point Stack Support
4313 //===----------------------------------------------------------------------===//
4315 include "X86InstrFPStack.td"
4317 //===----------------------------------------------------------------------===//
4319 //===----------------------------------------------------------------------===//
4321 include "X86Instr64bit.td"
4323 //===----------------------------------------------------------------------===//
4324 // XMM Floating point support (requires SSE / SSE2)
4325 //===----------------------------------------------------------------------===//
4327 include "X86InstrSSE.td"
4329 //===----------------------------------------------------------------------===//
4330 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
4331 //===----------------------------------------------------------------------===//
4333 include "X86InstrMMX.td"