1 //===- X86InstrInfo.td - Describe the X86 Instruction Set --*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the X86 instruction set, defining the instructions, and
11 // properties of the instructions which are needed for code generation, machine
12 // code emission, and analysis.
14 //===----------------------------------------------------------------------===//
16 //===----------------------------------------------------------------------===//
17 // X86 specific DAG Nodes.
20 def SDTIntShiftDOp: SDTypeProfile<1, 3,
21 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
22 SDTCisInt<0>, SDTCisInt<3>]>;
24 def SDTX86CmpTest : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
26 def SDTX86Cmov : SDTypeProfile<1, 4,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>,
28 SDTCisVT<3, i8>, SDTCisVT<4, i32>]>;
30 // Unary and binary operator instructions that set EFLAGS as a side-effect.
31 def SDTUnaryArithWithFlags : SDTypeProfile<1, 1,
33 def SDTBinaryArithWithFlags : SDTypeProfile<1, 2,
37 def SDTX86BrCond : SDTypeProfile<0, 3,
38 [SDTCisVT<0, OtherVT>,
39 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
41 def SDTX86SetCC : SDTypeProfile<1, 2,
43 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
45 def SDTX86cas : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisInt<1>,
47 def SDTX86cas8 : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
49 def SDTX86atomicBinary : SDTypeProfile<2, 3, [SDTCisInt<0>, SDTCisInt<1>,
50 SDTCisPtrTy<2>, SDTCisInt<3>,SDTCisInt<4>]>;
51 def SDTX86Ret : SDTypeProfile<0, -1, [SDTCisVT<0, i16>]>;
53 def SDT_X86CallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
54 def SDT_X86CallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>,
57 def SDT_X86Call : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>;
59 def SDT_X86VASTART_SAVE_XMM_REGS : SDTypeProfile<0, -1, [SDTCisVT<0, i8>,
63 def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
65 def SDTX86RdTsc : SDTypeProfile<0, 0, []>;
67 def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
69 def SDT_X86TLSADDR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
71 def SDT_X86SegmentBaseAddress : SDTypeProfile<1, 1, [SDTCisPtrTy<0>]>;
73 def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
75 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
77 def X86bsf : SDNode<"X86ISD::BSF", SDTIntUnaryOp>;
78 def X86bsr : SDNode<"X86ISD::BSR", SDTIntUnaryOp>;
79 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
80 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
82 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
84 def X86bt : SDNode<"X86ISD::BT", SDTX86CmpTest>;
86 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
87 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
89 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
91 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
92 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
94 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86cas8,
95 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
97 def X86AtomAdd64 : SDNode<"X86ISD::ATOMADD64_DAG", SDTX86atomicBinary,
98 [SDNPHasChain, SDNPMayStore,
99 SDNPMayLoad, SDNPMemOperand]>;
100 def X86AtomSub64 : SDNode<"X86ISD::ATOMSUB64_DAG", SDTX86atomicBinary,
101 [SDNPHasChain, SDNPMayStore,
102 SDNPMayLoad, SDNPMemOperand]>;
103 def X86AtomOr64 : SDNode<"X86ISD::ATOMOR64_DAG", SDTX86atomicBinary,
104 [SDNPHasChain, SDNPMayStore,
105 SDNPMayLoad, SDNPMemOperand]>;
106 def X86AtomXor64 : SDNode<"X86ISD::ATOMXOR64_DAG", SDTX86atomicBinary,
107 [SDNPHasChain, SDNPMayStore,
108 SDNPMayLoad, SDNPMemOperand]>;
109 def X86AtomAnd64 : SDNode<"X86ISD::ATOMAND64_DAG", SDTX86atomicBinary,
110 [SDNPHasChain, SDNPMayStore,
111 SDNPMayLoad, SDNPMemOperand]>;
112 def X86AtomNand64 : SDNode<"X86ISD::ATOMNAND64_DAG", SDTX86atomicBinary,
113 [SDNPHasChain, SDNPMayStore,
114 SDNPMayLoad, SDNPMemOperand]>;
115 def X86AtomSwap64 : SDNode<"X86ISD::ATOMSWAP64_DAG", SDTX86atomicBinary,
116 [SDNPHasChain, SDNPMayStore,
117 SDNPMayLoad, SDNPMemOperand]>;
118 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
119 [SDNPHasChain, SDNPOptInFlag]>;
121 def X86vastart_save_xmm_regs :
122 SDNode<"X86ISD::VASTART_SAVE_XMM_REGS",
123 SDT_X86VASTART_SAVE_XMM_REGS,
126 def X86callseq_start :
127 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
128 [SDNPHasChain, SDNPOutFlag]>;
130 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
131 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
133 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
134 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
136 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
137 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore]>;
138 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
139 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
142 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG",SDTX86RdTsc,
143 [SDNPHasChain, SDNPOutFlag, SDNPSideEffect]>;
145 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
146 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
148 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
149 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
150 def X86SegmentBaseAddress : SDNode<"X86ISD::SegmentBaseAddress",
151 SDT_X86SegmentBaseAddress, []>;
153 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
156 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
157 [SDNPHasChain, SDNPOptInFlag]>;
159 def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags>;
160 def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
161 def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags>;
162 def X86umul_flag : SDNode<"X86ISD::UMUL", SDTUnaryArithWithFlags>;
163 def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>;
164 def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>;
166 def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
168 //===----------------------------------------------------------------------===//
169 // X86 Operand Definitions.
172 def i32imm_pcrel : Operand<i32> {
173 let PrintMethod = "print_pcrel_imm";
176 // A version of ptr_rc which excludes SP, ESP, and RSP. This is used for
177 // the index operand of an address, to conform to x86 encoding restrictions.
178 def ptr_rc_nosp : PointerLikeRegClass<1>;
180 // *mem - Operand definitions for the funky X86 addressing mode operands.
182 def X86MemAsmOperand : AsmOperandClass {
186 class X86MemOperand<string printMethod> : Operand<iPTR> {
187 let PrintMethod = printMethod;
188 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc_nosp, i32imm, i8imm);
189 let ParserMatchClass = X86MemAsmOperand;
192 def opaque32mem : X86MemOperand<"printopaquemem">;
193 def opaque48mem : X86MemOperand<"printopaquemem">;
194 def opaque80mem : X86MemOperand<"printopaquemem">;
196 def i8mem : X86MemOperand<"printi8mem">;
197 def i16mem : X86MemOperand<"printi16mem">;
198 def i32mem : X86MemOperand<"printi32mem">;
199 def i64mem : X86MemOperand<"printi64mem">;
200 def i128mem : X86MemOperand<"printi128mem">;
201 def i256mem : X86MemOperand<"printi256mem">;
202 def f32mem : X86MemOperand<"printf32mem">;
203 def f64mem : X86MemOperand<"printf64mem">;
204 def f80mem : X86MemOperand<"printf80mem">;
205 def f128mem : X86MemOperand<"printf128mem">;
206 def f256mem : X86MemOperand<"printf256mem">;
208 // A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
209 // plain GR64, so that it doesn't potentially require a REX prefix.
210 def i8mem_NOREX : Operand<i64> {
211 let PrintMethod = "printi8mem";
212 let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_NOREX_NOSP, i32imm, i8imm);
213 let ParserMatchClass = X86MemAsmOperand;
216 def lea32mem : Operand<i32> {
217 let PrintMethod = "printlea32mem";
218 let MIOperandInfo = (ops GR32, i8imm, GR32_NOSP, i32imm);
219 let ParserMatchClass = X86MemAsmOperand;
222 def SSECC : Operand<i8> {
223 let PrintMethod = "printSSECC";
226 def piclabel: Operand<i32> {
227 let PrintMethod = "printPICLabel";
230 def ImmSExt8AsmOperand : AsmOperandClass {
231 let Name = "ImmSExt8";
232 let SuperClass = ImmAsmOperand;
235 // A couple of more descriptive operand definitions.
236 // 16-bits but only 8 bits are significant.
237 def i16i8imm : Operand<i16> {
238 let ParserMatchClass = ImmSExt8AsmOperand;
240 // 32-bits but only 8 bits are significant.
241 def i32i8imm : Operand<i32> {
242 let ParserMatchClass = ImmSExt8AsmOperand;
245 // Branch targets have OtherVT type and print as pc-relative values.
246 def brtarget : Operand<OtherVT> {
247 let PrintMethod = "print_pcrel_imm";
250 def brtarget8 : Operand<OtherVT> {
251 let PrintMethod = "print_pcrel_imm";
254 //===----------------------------------------------------------------------===//
255 // X86 Complex Pattern Definitions.
258 // Define X86 specific addressing mode.
259 def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], []>;
260 def lea32addr : ComplexPattern<i32, 4, "SelectLEAAddr",
261 [add, sub, mul, X86mul_imm, shl, or, frameindex],
263 def tls32addr : ComplexPattern<i32, 4, "SelectTLSADDRAddr",
264 [tglobaltlsaddr], []>;
266 //===----------------------------------------------------------------------===//
267 // X86 Instruction Predicate Definitions.
268 def HasMMX : Predicate<"Subtarget->hasMMX()">;
269 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
270 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
271 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
272 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
273 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
274 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
275 def HasSSE4A : Predicate<"Subtarget->hasSSE4A()">;
276 def HasAVX : Predicate<"Subtarget->hasAVX()">;
277 def HasFMA3 : Predicate<"Subtarget->hasFMA3()">;
278 def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
279 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
280 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
281 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
282 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
283 def IsWin64 : Predicate<"Subtarget->isTargetWin64()">;
284 def NotWin64 : Predicate<"!Subtarget->isTargetWin64()">;
285 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
286 def KernelCode : Predicate<"TM.getCodeModel() == CodeModel::Kernel">;
287 def FarData : Predicate<"TM.getCodeModel() != CodeModel::Small &&"
288 "TM.getCodeModel() != CodeModel::Kernel">;
289 def NearData : Predicate<"TM.getCodeModel() == CodeModel::Small ||"
290 "TM.getCodeModel() == CodeModel::Kernel">;
291 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
292 def OptForSpeed : Predicate<"!OptForSize">;
293 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
294 def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
296 //===----------------------------------------------------------------------===//
297 // X86 Instruction Format Definitions.
300 include "X86InstrFormats.td"
302 //===----------------------------------------------------------------------===//
303 // Pattern fragments...
306 // X86 specific condition code. These correspond to CondCode in
307 // X86InstrInfo.h. They must be kept in synch.
308 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
309 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
310 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
311 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
312 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
313 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
314 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
315 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
316 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
317 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
318 def X86_COND_NO : PatLeaf<(i8 10)>;
319 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
320 def X86_COND_NS : PatLeaf<(i8 12)>;
321 def X86_COND_O : PatLeaf<(i8 13)>;
322 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
323 def X86_COND_S : PatLeaf<(i8 15)>;
325 def i16immSExt8 : PatLeaf<(i16 imm), [{
326 // i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
327 // sign extended field.
328 return (int16_t)N->getZExtValue() == (int8_t)N->getZExtValue();
331 def i32immSExt8 : PatLeaf<(i32 imm), [{
332 // i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
333 // sign extended field.
334 return (int32_t)N->getZExtValue() == (int8_t)N->getZExtValue();
337 // Helper fragments for loads.
338 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
339 // known to be 32-bit aligned or better. Ditto for i8 to i16.
340 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
341 LoadSDNode *LD = cast<LoadSDNode>(N);
342 if (const Value *Src = LD->getSrcValue())
343 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
344 if (PT->getAddressSpace() > 255)
346 ISD::LoadExtType ExtType = LD->getExtensionType();
347 if (ExtType == ISD::NON_EXTLOAD)
349 if (ExtType == ISD::EXTLOAD)
350 return LD->getAlignment() >= 2 && !LD->isVolatile();
354 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
355 LoadSDNode *LD = cast<LoadSDNode>(N);
356 if (const Value *Src = LD->getSrcValue())
357 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
358 if (PT->getAddressSpace() > 255)
360 ISD::LoadExtType ExtType = LD->getExtensionType();
361 if (ExtType == ISD::EXTLOAD)
362 return LD->getAlignment() >= 2 && !LD->isVolatile();
366 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
367 LoadSDNode *LD = cast<LoadSDNode>(N);
368 if (const Value *Src = LD->getSrcValue())
369 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
370 if (PT->getAddressSpace() > 255)
372 ISD::LoadExtType ExtType = LD->getExtensionType();
373 if (ExtType == ISD::NON_EXTLOAD)
375 if (ExtType == ISD::EXTLOAD)
376 return LD->getAlignment() >= 4 && !LD->isVolatile();
380 def nvloadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
381 LoadSDNode *LD = cast<LoadSDNode>(N);
382 if (const Value *Src = LD->getSrcValue())
383 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
384 if (PT->getAddressSpace() > 255)
386 if (LD->isVolatile())
388 ISD::LoadExtType ExtType = LD->getExtensionType();
389 if (ExtType == ISD::NON_EXTLOAD)
391 if (ExtType == ISD::EXTLOAD)
392 return LD->getAlignment() >= 4;
396 def gsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
397 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
398 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
399 return PT->getAddressSpace() == 256;
403 def fsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
404 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
405 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
406 return PT->getAddressSpace() == 257;
410 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr)), [{
411 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
412 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
413 if (PT->getAddressSpace() > 255)
417 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr)), [{
418 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
419 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
420 if (PT->getAddressSpace() > 255)
425 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr)), [{
426 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
427 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
428 if (PT->getAddressSpace() > 255)
432 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr)), [{
433 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
434 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
435 if (PT->getAddressSpace() > 255)
439 def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr)), [{
440 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
441 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
442 if (PT->getAddressSpace() > 255)
447 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
448 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
449 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
451 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
452 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
453 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
454 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
455 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
456 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
458 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
459 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
460 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
461 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
462 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
463 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
466 // An 'and' node with a single use.
467 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
468 return N->hasOneUse();
470 // An 'srl' node with a single use.
471 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
472 return N->hasOneUse();
474 // An 'trunc' node with a single use.
475 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
476 return N->hasOneUse();
479 // 'shld' and 'shrd' instruction patterns. Note that even though these have
480 // the srl and shl in their patterns, the C++ code must still check for them,
481 // because predicates are tested before children nodes are explored.
483 def shrd : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
484 (or (srl node:$src1, node:$amt1),
485 (shl node:$src2, node:$amt2)), [{
486 assert(N->getOpcode() == ISD::OR);
487 return N->getOperand(0).getOpcode() == ISD::SRL &&
488 N->getOperand(1).getOpcode() == ISD::SHL &&
489 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
490 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
491 N->getOperand(0).getConstantOperandVal(1) ==
492 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
495 def shld : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
496 (or (shl node:$src1, node:$amt1),
497 (srl node:$src2, node:$amt2)), [{
498 assert(N->getOpcode() == ISD::OR);
499 return N->getOperand(0).getOpcode() == ISD::SHL &&
500 N->getOperand(1).getOpcode() == ISD::SRL &&
501 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
502 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
503 N->getOperand(0).getConstantOperandVal(1) ==
504 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
507 //===----------------------------------------------------------------------===//
508 // Instruction list...
511 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
512 // a stack adjustment and the codegen must know that they may modify the stack
513 // pointer before prolog-epilog rewriting occurs.
514 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
515 // sub / add which can clobber EFLAGS.
516 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
517 def ADJCALLSTACKDOWN32 : I<0, Pseudo, (outs), (ins i32imm:$amt),
519 [(X86callseq_start timm:$amt)]>,
520 Requires<[In32BitMode]>;
521 def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
523 [(X86callseq_end timm:$amt1, timm:$amt2)]>,
524 Requires<[In32BitMode]>;
527 // x86-64 va_start lowering magic.
528 let usesCustomDAGSchedInserter = 1 in
529 def VASTART_SAVE_XMM_REGS : I<0, Pseudo,
532 i64imm:$regsavefi, i64imm:$offset,
534 "#VASTART_SAVE_XMM_REGS $al, $regsavefi, $offset",
535 [(X86vastart_save_xmm_regs GR8:$al,
540 let neverHasSideEffects = 1 in {
541 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
542 def NOOPL : I<0x1f, MRM0m, (outs), (ins i32mem:$zero),
543 "nopl\t$zero", []>, TB;
547 def INT3 : I<0xcc, RawFrm, (outs), (ins), "int 3", []>;
548 def INT : I<0xcd, RawFrm, (outs), (ins i8imm:$trap), "int\t$trap", []>;
551 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
552 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins piclabel:$label),
556 //===----------------------------------------------------------------------===//
557 // Control Flow Instructions...
560 // Return instructions.
561 let isTerminator = 1, isReturn = 1, isBarrier = 1,
562 hasCtrlDep = 1, FPForm = SpecialFP, FPFormBits = SpecialFP.Value in {
563 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
566 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
568 [(X86retflag timm:$amt)]>;
571 // All branches are RawFrm, Void, Branch, and Terminators
572 let isBranch = 1, isTerminator = 1 in
573 class IBr<bits<8> opcode, dag ins, string asm, list<dag> pattern> :
574 I<opcode, RawFrm, (outs), ins, asm, pattern>;
576 let isBranch = 1, isBarrier = 1 in {
577 def JMP : IBr<0xE9, (ins brtarget:$dst), "jmp\t$dst", [(br bb:$dst)]>;
578 def JMP8 : IBr<0xEB, (ins brtarget8:$dst), "jmp\t$dst", []>;
582 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
583 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
584 [(brind GR32:$dst)]>;
585 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
586 [(brind (loadi32 addr:$dst))]>;
587 def FARJMP16 : I<0xFF, MRM5m, (outs), (ins opaque32mem:$dst),
588 "ljmp{w}\t{*}$dst", []>, OpSize;
589 def FARJMP32 : I<0xFF, MRM5m, (outs), (ins opaque48mem:$dst),
590 "ljmp{l}\t{*}$dst", []>;
593 // Conditional branches
594 let Uses = [EFLAGS] in {
595 // Short conditional jumps
596 def JO8 : IBr<0x70, (ins brtarget8:$dst), "jo\t$dst", []>;
597 def JNO8 : IBr<0x71, (ins brtarget8:$dst), "jno\t$dst", []>;
598 def JB8 : IBr<0x72, (ins brtarget8:$dst), "jb\t$dst", []>;
599 def JAE8 : IBr<0x73, (ins brtarget8:$dst), "jae\t$dst", []>;
600 def JE8 : IBr<0x74, (ins brtarget8:$dst), "je\t$dst", []>;
601 def JNE8 : IBr<0x75, (ins brtarget8:$dst), "jne\t$dst", []>;
602 def JBE8 : IBr<0x76, (ins brtarget8:$dst), "jbe\t$dst", []>;
603 def JA8 : IBr<0x77, (ins brtarget8:$dst), "ja\t$dst", []>;
604 def JS8 : IBr<0x78, (ins brtarget8:$dst), "js\t$dst", []>;
605 def JNS8 : IBr<0x79, (ins brtarget8:$dst), "jns\t$dst", []>;
606 def JP8 : IBr<0x7A, (ins brtarget8:$dst), "jp\t$dst", []>;
607 def JNP8 : IBr<0x7B, (ins brtarget8:$dst), "jnp\t$dst", []>;
608 def JL8 : IBr<0x7C, (ins brtarget8:$dst), "jl\t$dst", []>;
609 def JGE8 : IBr<0x7D, (ins brtarget8:$dst), "jge\t$dst", []>;
610 def JLE8 : IBr<0x7E, (ins brtarget8:$dst), "jle\t$dst", []>;
611 def JG8 : IBr<0x7F, (ins brtarget8:$dst), "jg\t$dst", []>;
613 def JCXZ8 : IBr<0xE3, (ins brtarget8:$dst), "jcxz\t$dst", []>;
615 def JE : IBr<0x84, (ins brtarget:$dst), "je\t$dst",
616 [(X86brcond bb:$dst, X86_COND_E, EFLAGS)]>, TB;
617 def JNE : IBr<0x85, (ins brtarget:$dst), "jne\t$dst",
618 [(X86brcond bb:$dst, X86_COND_NE, EFLAGS)]>, TB;
619 def JL : IBr<0x8C, (ins brtarget:$dst), "jl\t$dst",
620 [(X86brcond bb:$dst, X86_COND_L, EFLAGS)]>, TB;
621 def JLE : IBr<0x8E, (ins brtarget:$dst), "jle\t$dst",
622 [(X86brcond bb:$dst, X86_COND_LE, EFLAGS)]>, TB;
623 def JG : IBr<0x8F, (ins brtarget:$dst), "jg\t$dst",
624 [(X86brcond bb:$dst, X86_COND_G, EFLAGS)]>, TB;
625 def JGE : IBr<0x8D, (ins brtarget:$dst), "jge\t$dst",
626 [(X86brcond bb:$dst, X86_COND_GE, EFLAGS)]>, TB;
628 def JB : IBr<0x82, (ins brtarget:$dst), "jb\t$dst",
629 [(X86brcond bb:$dst, X86_COND_B, EFLAGS)]>, TB;
630 def JBE : IBr<0x86, (ins brtarget:$dst), "jbe\t$dst",
631 [(X86brcond bb:$dst, X86_COND_BE, EFLAGS)]>, TB;
632 def JA : IBr<0x87, (ins brtarget:$dst), "ja\t$dst",
633 [(X86brcond bb:$dst, X86_COND_A, EFLAGS)]>, TB;
634 def JAE : IBr<0x83, (ins brtarget:$dst), "jae\t$dst",
635 [(X86brcond bb:$dst, X86_COND_AE, EFLAGS)]>, TB;
637 def JS : IBr<0x88, (ins brtarget:$dst), "js\t$dst",
638 [(X86brcond bb:$dst, X86_COND_S, EFLAGS)]>, TB;
639 def JNS : IBr<0x89, (ins brtarget:$dst), "jns\t$dst",
640 [(X86brcond bb:$dst, X86_COND_NS, EFLAGS)]>, TB;
641 def JP : IBr<0x8A, (ins brtarget:$dst), "jp\t$dst",
642 [(X86brcond bb:$dst, X86_COND_P, EFLAGS)]>, TB;
643 def JNP : IBr<0x8B, (ins brtarget:$dst), "jnp\t$dst",
644 [(X86brcond bb:$dst, X86_COND_NP, EFLAGS)]>, TB;
645 def JO : IBr<0x80, (ins brtarget:$dst), "jo\t$dst",
646 [(X86brcond bb:$dst, X86_COND_O, EFLAGS)]>, TB;
647 def JNO : IBr<0x81, (ins brtarget:$dst), "jno\t$dst",
648 [(X86brcond bb:$dst, X86_COND_NO, EFLAGS)]>, TB;
651 //===----------------------------------------------------------------------===//
652 // Call Instructions...
655 // All calls clobber the non-callee saved registers. ESP is marked as
656 // a use to prevent stack-pointer assignments that appear immediately
657 // before calls from potentially appearing dead. Uses for argument
658 // registers are added manually.
659 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
660 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
661 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
662 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
664 def CALLpcrel32 : Ii32<0xE8, RawFrm,
665 (outs), (ins i32imm_pcrel:$dst,variable_ops),
667 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
668 "call\t{*}$dst", [(X86call GR32:$dst)]>;
669 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
670 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
672 def FARCALL16 : I<0xFF, MRM3m, (outs), (ins opaque32mem:$dst),
673 "lcall{w}\t{*}$dst", []>, OpSize;
674 def FARCALL32 : I<0xFF, MRM3m, (outs), (ins opaque48mem:$dst),
675 "lcall{l}\t{*}$dst", []>;
680 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
681 def TCRETURNdi : I<0, Pseudo, (outs), (ins i32imm:$dst, i32imm:$offset, variable_ops),
682 "#TC_RETURN $dst $offset",
685 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
686 def TCRETURNri : I<0, Pseudo, (outs), (ins GR32:$dst, i32imm:$offset, variable_ops),
687 "#TC_RETURN $dst $offset",
690 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
692 def TAILJMPd : IBr<0xE9, (ins i32imm_pcrel:$dst), "jmp\t$dst # TAILCALL",
694 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
695 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst # TAILCALL",
697 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
698 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem:$dst),
699 "jmp\t{*}$dst # TAILCALL", []>;
701 //===----------------------------------------------------------------------===//
702 // Miscellaneous Instructions...
704 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
705 def LEAVE : I<0xC9, RawFrm,
706 (outs), (ins), "leave", []>;
708 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
710 def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
712 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
713 def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
715 def POP16rmm: I<0x8F, MRM0m, (outs i16mem:$dst), (ins), "pop{w}\t$dst", []>,
717 def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
718 def POP32rmm: I<0x8F, MRM0m, (outs i32mem:$dst), (ins), "pop{l}\t$dst", []>;
721 let mayStore = 1 in {
722 def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
724 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
725 def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
727 def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[]>,
729 def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
730 def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[]>;
734 let Defs = [ESP], Uses = [ESP], neverHasSideEffects = 1, mayStore = 1 in {
735 def PUSH32i8 : Ii8<0x6a, RawFrm, (outs), (ins i8imm:$imm),
736 "push{l}\t$imm", []>;
737 def PUSH32i16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
738 "push{l}\t$imm", []>;
739 def PUSH32i32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
740 "push{l}\t$imm", []>;
743 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in
744 def POPFD : I<0x9D, RawFrm, (outs), (ins), "popf", []>;
745 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in
746 def PUSHFD : I<0x9C, RawFrm, (outs), (ins), "pushf", []>;
748 let isTwoAddress = 1 in // GR32 = bswap GR32
749 def BSWAP32r : I<0xC8, AddRegFrm,
750 (outs GR32:$dst), (ins GR32:$src),
752 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
755 // Bit scan instructions.
756 let Defs = [EFLAGS] in {
757 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
758 "bsf{w}\t{$src, $dst|$dst, $src}",
759 [(set GR16:$dst, (X86bsf GR16:$src)), (implicit EFLAGS)]>, TB;
760 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
761 "bsf{w}\t{$src, $dst|$dst, $src}",
762 [(set GR16:$dst, (X86bsf (loadi16 addr:$src))),
763 (implicit EFLAGS)]>, TB;
764 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
765 "bsf{l}\t{$src, $dst|$dst, $src}",
766 [(set GR32:$dst, (X86bsf GR32:$src)), (implicit EFLAGS)]>, TB;
767 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
768 "bsf{l}\t{$src, $dst|$dst, $src}",
769 [(set GR32:$dst, (X86bsf (loadi32 addr:$src))),
770 (implicit EFLAGS)]>, TB;
772 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
773 "bsr{w}\t{$src, $dst|$dst, $src}",
774 [(set GR16:$dst, (X86bsr GR16:$src)), (implicit EFLAGS)]>, TB;
775 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
776 "bsr{w}\t{$src, $dst|$dst, $src}",
777 [(set GR16:$dst, (X86bsr (loadi16 addr:$src))),
778 (implicit EFLAGS)]>, TB;
779 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
780 "bsr{l}\t{$src, $dst|$dst, $src}",
781 [(set GR32:$dst, (X86bsr GR32:$src)), (implicit EFLAGS)]>, TB;
782 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
783 "bsr{l}\t{$src, $dst|$dst, $src}",
784 [(set GR32:$dst, (X86bsr (loadi32 addr:$src))),
785 (implicit EFLAGS)]>, TB;
788 let neverHasSideEffects = 1 in
789 def LEA16r : I<0x8D, MRMSrcMem,
790 (outs GR16:$dst), (ins i32mem:$src),
791 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
792 let isReMaterializable = 1 in
793 def LEA32r : I<0x8D, MRMSrcMem,
794 (outs GR32:$dst), (ins lea32mem:$src),
795 "lea{l}\t{$src|$dst}, {$dst|$src}",
796 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
798 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI] in {
799 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
800 [(X86rep_movs i8)]>, REP;
801 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
802 [(X86rep_movs i16)]>, REP, OpSize;
803 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
804 [(X86rep_movs i32)]>, REP;
807 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI] in
808 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
809 [(X86rep_stos i8)]>, REP;
810 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI] in
811 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
812 [(X86rep_stos i16)]>, REP, OpSize;
813 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI] in
814 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
815 [(X86rep_stos i32)]>, REP;
817 let Defs = [RAX, RDX] in
818 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
821 let isBarrier = 1, hasCtrlDep = 1 in {
822 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
825 def SYSCALL : I<0x05, RawFrm,
826 (outs), (ins), "syscall", []>, TB;
827 def SYSRET : I<0x07, RawFrm,
828 (outs), (ins), "sysret", []>, TB;
829 def SYSENTER : I<0x34, RawFrm,
830 (outs), (ins), "sysenter", []>, TB;
831 def SYSEXIT : I<0x35, RawFrm,
832 (outs), (ins), "sysexit", []>, TB;
836 //===----------------------------------------------------------------------===//
837 // Input/Output Instructions...
839 let Defs = [AL], Uses = [DX] in
840 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
841 "in{b}\t{%dx, %al|%AL, %DX}", []>;
842 let Defs = [AX], Uses = [DX] in
843 def IN16rr : I<0xED, RawFrm, (outs), (ins),
844 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
845 let Defs = [EAX], Uses = [DX] in
846 def IN32rr : I<0xED, RawFrm, (outs), (ins),
847 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
850 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i16i8imm:$port),
851 "in{b}\t{$port, %al|%AL, $port}", []>;
853 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
854 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
856 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
857 "in{l}\t{$port, %eax|%EAX, $port}", []>;
859 let Uses = [DX, AL] in
860 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
861 "out{b}\t{%al, %dx|%DX, %AL}", []>;
862 let Uses = [DX, AX] in
863 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
864 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
865 let Uses = [DX, EAX] in
866 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
867 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
870 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i16i8imm:$port),
871 "out{b}\t{%al, $port|$port, %AL}", []>;
873 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
874 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
876 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
877 "out{l}\t{%eax, $port|$port, %EAX}", []>;
879 //===----------------------------------------------------------------------===//
880 // Move Instructions...
882 let neverHasSideEffects = 1 in {
883 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
884 "mov{b}\t{$src, $dst|$dst, $src}", []>;
885 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
886 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
887 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
888 "mov{l}\t{$src, $dst|$dst, $src}", []>;
890 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
891 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
892 "mov{b}\t{$src, $dst|$dst, $src}",
893 [(set GR8:$dst, imm:$src)]>;
894 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
895 "mov{w}\t{$src, $dst|$dst, $src}",
896 [(set GR16:$dst, imm:$src)]>, OpSize;
897 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
898 "mov{l}\t{$src, $dst|$dst, $src}",
899 [(set GR32:$dst, imm:$src)]>;
901 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
902 "mov{b}\t{$src, $dst|$dst, $src}",
903 [(store (i8 imm:$src), addr:$dst)]>;
904 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
905 "mov{w}\t{$src, $dst|$dst, $src}",
906 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
907 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
908 "mov{l}\t{$src, $dst|$dst, $src}",
909 [(store (i32 imm:$src), addr:$dst)]>;
911 def MOV8o8a : Ii8 <0xA0, RawFrm, (outs), (ins i8imm:$src),
912 "mov{b}\t{$src, %al|%al, $src}", []>;
913 def MOV16o16a : Ii16 <0xA1, RawFrm, (outs), (ins i16imm:$src),
914 "mov{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
915 def MOV32o32a : Ii32 <0xA1, RawFrm, (outs), (ins i32imm:$src),
916 "mov{l}\t{$src, %eax|%eax, $src}", []>;
918 def MOV8ao8 : Ii8 <0xA2, RawFrm, (outs i8imm:$dst), (ins),
919 "mov{b}\t{%al, $dst|$dst, %al}", []>;
920 def MOV16ao16 : Ii16 <0xA3, RawFrm, (outs i16imm:$dst), (ins),
921 "mov{w}\t{%ax, $dst|$dst, %ax}", []>, OpSize;
922 def MOV32ao32 : Ii32 <0xA3, RawFrm, (outs i32imm:$dst), (ins),
923 "mov{l}\t{%eax, $dst|$dst, %eax}", []>;
925 let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in {
926 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
927 "mov{b}\t{$src, $dst|$dst, $src}",
928 [(set GR8:$dst, (loadi8 addr:$src))]>;
929 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
930 "mov{w}\t{$src, $dst|$dst, $src}",
931 [(set GR16:$dst, (loadi16 addr:$src))]>, OpSize;
932 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
933 "mov{l}\t{$src, $dst|$dst, $src}",
934 [(set GR32:$dst, (loadi32 addr:$src))]>;
937 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
938 "mov{b}\t{$src, $dst|$dst, $src}",
939 [(store GR8:$src, addr:$dst)]>;
940 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
941 "mov{w}\t{$src, $dst|$dst, $src}",
942 [(store GR16:$src, addr:$dst)]>, OpSize;
943 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
944 "mov{l}\t{$src, $dst|$dst, $src}",
945 [(store GR32:$src, addr:$dst)]>;
947 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
948 // that they can be used for copying and storing h registers, which can't be
949 // encoded when a REX prefix is present.
950 let neverHasSideEffects = 1 in
951 def MOV8rr_NOREX : I<0x88, MRMDestReg,
952 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
953 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
955 def MOV8mr_NOREX : I<0x88, MRMDestMem,
956 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
957 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
959 canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in
960 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
961 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
962 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
964 //===----------------------------------------------------------------------===//
965 // Fixed-Register Multiplication and Division Instructions...
968 // Extra precision multiplication
969 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
970 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
971 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
972 // This probably ought to be moved to a def : Pat<> if the
973 // syntax can be accepted.
974 [(set AL, (mul AL, GR8:$src)),
975 (implicit EFLAGS)]>; // AL,AH = AL*GR8
977 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
978 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
980 []>, OpSize; // AX,DX = AX*GR16
982 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
983 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
985 []>; // EAX,EDX = EAX*GR32
987 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
988 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
990 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
991 // This probably ought to be moved to a def : Pat<> if the
992 // syntax can be accepted.
993 [(set AL, (mul AL, (loadi8 addr:$src))),
994 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
996 let mayLoad = 1, neverHasSideEffects = 1 in {
997 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
998 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
1000 []>, OpSize; // AX,DX = AX*[mem16]
1002 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1003 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
1005 []>; // EAX,EDX = EAX*[mem32]
1008 let neverHasSideEffects = 1 in {
1009 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
1010 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
1012 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1013 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
1014 OpSize; // AX,DX = AX*GR16
1015 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1016 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
1017 // EAX,EDX = EAX*GR32
1018 let mayLoad = 1 in {
1019 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
1020 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
1021 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
1022 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1023 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
1024 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
1025 let Defs = [EAX,EDX], Uses = [EAX] in
1026 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
1027 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
1029 } // neverHasSideEffects
1031 // unsigned division/remainder
1032 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
1033 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1034 "div{b}\t$src", []>;
1035 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1036 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1037 "div{w}\t$src", []>, OpSize;
1038 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1039 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1040 "div{l}\t$src", []>;
1041 let mayLoad = 1 in {
1042 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
1043 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1044 "div{b}\t$src", []>;
1045 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1046 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1047 "div{w}\t$src", []>, OpSize;
1048 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1049 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
1050 "div{l}\t$src", []>;
1053 // Signed division/remainder.
1054 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
1055 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1056 "idiv{b}\t$src", []>;
1057 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1058 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1059 "idiv{w}\t$src", []>, OpSize;
1060 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1061 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1062 "idiv{l}\t$src", []>;
1063 let mayLoad = 1, mayLoad = 1 in {
1064 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
1065 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1066 "idiv{b}\t$src", []>;
1067 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1068 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1069 "idiv{w}\t$src", []>, OpSize;
1070 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1071 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
1072 "idiv{l}\t$src", []>;
1075 //===----------------------------------------------------------------------===//
1076 // Two address Instructions.
1078 let isTwoAddress = 1 in {
1080 // Conditional moves
1081 let Uses = [EFLAGS] in {
1083 // X86 doesn't have 8-bit conditional moves. Use a customDAGSchedInserter to
1084 // emit control flow. An alternative to this is to mark i8 SELECT as Promote,
1085 // however that requires promoting the operands, and can induce additional
1086 // i8 register pressure. Note that CMOV_GR8 is conservatively considered to
1087 // clobber EFLAGS, because if one of the operands is zero, the expansion
1088 // could involve an xor.
1089 let usesCustomDAGSchedInserter = 1, isTwoAddress = 0, Defs = [EFLAGS] in
1090 def CMOV_GR8 : I<0, Pseudo,
1091 (outs GR8:$dst), (ins GR8:$src1, GR8:$src2, i8imm:$cond),
1092 "#CMOV_GR8 PSEUDO!",
1093 [(set GR8:$dst, (X86cmov GR8:$src1, GR8:$src2,
1094 imm:$cond, EFLAGS))]>;
1096 let isCommutable = 1 in {
1097 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
1098 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1099 "cmovb\t{$src2, $dst|$dst, $src2}",
1100 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1101 X86_COND_B, EFLAGS))]>,
1103 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
1104 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1105 "cmovb\t{$src2, $dst|$dst, $src2}",
1106 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1107 X86_COND_B, EFLAGS))]>,
1109 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
1110 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1111 "cmovae\t{$src2, $dst|$dst, $src2}",
1112 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1113 X86_COND_AE, EFLAGS))]>,
1115 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
1116 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1117 "cmovae\t{$src2, $dst|$dst, $src2}",
1118 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1119 X86_COND_AE, EFLAGS))]>,
1121 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
1122 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1123 "cmove\t{$src2, $dst|$dst, $src2}",
1124 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1125 X86_COND_E, EFLAGS))]>,
1127 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
1128 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1129 "cmove\t{$src2, $dst|$dst, $src2}",
1130 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1131 X86_COND_E, EFLAGS))]>,
1133 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
1134 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1135 "cmovne\t{$src2, $dst|$dst, $src2}",
1136 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1137 X86_COND_NE, EFLAGS))]>,
1139 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
1140 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1141 "cmovne\t{$src2, $dst|$dst, $src2}",
1142 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1143 X86_COND_NE, EFLAGS))]>,
1145 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
1146 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1147 "cmovbe\t{$src2, $dst|$dst, $src2}",
1148 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1149 X86_COND_BE, EFLAGS))]>,
1151 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
1152 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1153 "cmovbe\t{$src2, $dst|$dst, $src2}",
1154 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1155 X86_COND_BE, EFLAGS))]>,
1157 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
1158 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1159 "cmova\t{$src2, $dst|$dst, $src2}",
1160 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1161 X86_COND_A, EFLAGS))]>,
1163 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
1164 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1165 "cmova\t{$src2, $dst|$dst, $src2}",
1166 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1167 X86_COND_A, EFLAGS))]>,
1169 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
1170 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1171 "cmovl\t{$src2, $dst|$dst, $src2}",
1172 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1173 X86_COND_L, EFLAGS))]>,
1175 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
1176 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1177 "cmovl\t{$src2, $dst|$dst, $src2}",
1178 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1179 X86_COND_L, EFLAGS))]>,
1181 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
1182 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1183 "cmovge\t{$src2, $dst|$dst, $src2}",
1184 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1185 X86_COND_GE, EFLAGS))]>,
1187 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
1188 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1189 "cmovge\t{$src2, $dst|$dst, $src2}",
1190 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1191 X86_COND_GE, EFLAGS))]>,
1193 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
1194 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1195 "cmovle\t{$src2, $dst|$dst, $src2}",
1196 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1197 X86_COND_LE, EFLAGS))]>,
1199 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
1200 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1201 "cmovle\t{$src2, $dst|$dst, $src2}",
1202 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1203 X86_COND_LE, EFLAGS))]>,
1205 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
1206 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1207 "cmovg\t{$src2, $dst|$dst, $src2}",
1208 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1209 X86_COND_G, EFLAGS))]>,
1211 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
1212 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1213 "cmovg\t{$src2, $dst|$dst, $src2}",
1214 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1215 X86_COND_G, EFLAGS))]>,
1217 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
1218 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1219 "cmovs\t{$src2, $dst|$dst, $src2}",
1220 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1221 X86_COND_S, EFLAGS))]>,
1223 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
1224 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1225 "cmovs\t{$src2, $dst|$dst, $src2}",
1226 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1227 X86_COND_S, EFLAGS))]>,
1229 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
1230 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1231 "cmovns\t{$src2, $dst|$dst, $src2}",
1232 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1233 X86_COND_NS, EFLAGS))]>,
1235 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1236 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1237 "cmovns\t{$src2, $dst|$dst, $src2}",
1238 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1239 X86_COND_NS, EFLAGS))]>,
1241 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1242 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1243 "cmovp\t{$src2, $dst|$dst, $src2}",
1244 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1245 X86_COND_P, EFLAGS))]>,
1247 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1248 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1249 "cmovp\t{$src2, $dst|$dst, $src2}",
1250 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1251 X86_COND_P, EFLAGS))]>,
1253 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1254 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1255 "cmovnp\t{$src2, $dst|$dst, $src2}",
1256 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1257 X86_COND_NP, EFLAGS))]>,
1259 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1260 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1261 "cmovnp\t{$src2, $dst|$dst, $src2}",
1262 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1263 X86_COND_NP, EFLAGS))]>,
1265 def CMOVO16rr : I<0x40, MRMSrcReg, // if overflow, GR16 = GR16
1266 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1267 "cmovo\t{$src2, $dst|$dst, $src2}",
1268 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1269 X86_COND_O, EFLAGS))]>,
1271 def CMOVO32rr : I<0x40, MRMSrcReg, // if overflow, GR32 = GR32
1272 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1273 "cmovo\t{$src2, $dst|$dst, $src2}",
1274 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1275 X86_COND_O, EFLAGS))]>,
1277 def CMOVNO16rr : I<0x41, MRMSrcReg, // if !overflow, GR16 = GR16
1278 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1279 "cmovno\t{$src2, $dst|$dst, $src2}",
1280 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1281 X86_COND_NO, EFLAGS))]>,
1283 def CMOVNO32rr : I<0x41, MRMSrcReg, // if !overflow, GR32 = GR32
1284 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1285 "cmovno\t{$src2, $dst|$dst, $src2}",
1286 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1287 X86_COND_NO, EFLAGS))]>,
1289 } // isCommutable = 1
1291 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1292 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1293 "cmovb\t{$src2, $dst|$dst, $src2}",
1294 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1295 X86_COND_B, EFLAGS))]>,
1297 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1298 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1299 "cmovb\t{$src2, $dst|$dst, $src2}",
1300 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1301 X86_COND_B, EFLAGS))]>,
1303 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1304 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1305 "cmovae\t{$src2, $dst|$dst, $src2}",
1306 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1307 X86_COND_AE, EFLAGS))]>,
1309 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1310 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1311 "cmovae\t{$src2, $dst|$dst, $src2}",
1312 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1313 X86_COND_AE, EFLAGS))]>,
1315 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1316 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1317 "cmove\t{$src2, $dst|$dst, $src2}",
1318 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1319 X86_COND_E, EFLAGS))]>,
1321 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1322 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1323 "cmove\t{$src2, $dst|$dst, $src2}",
1324 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1325 X86_COND_E, EFLAGS))]>,
1327 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1328 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1329 "cmovne\t{$src2, $dst|$dst, $src2}",
1330 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1331 X86_COND_NE, EFLAGS))]>,
1333 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1334 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1335 "cmovne\t{$src2, $dst|$dst, $src2}",
1336 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1337 X86_COND_NE, EFLAGS))]>,
1339 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1340 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1341 "cmovbe\t{$src2, $dst|$dst, $src2}",
1342 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1343 X86_COND_BE, EFLAGS))]>,
1345 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1346 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1347 "cmovbe\t{$src2, $dst|$dst, $src2}",
1348 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1349 X86_COND_BE, EFLAGS))]>,
1351 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1352 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1353 "cmova\t{$src2, $dst|$dst, $src2}",
1354 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1355 X86_COND_A, EFLAGS))]>,
1357 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1358 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1359 "cmova\t{$src2, $dst|$dst, $src2}",
1360 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1361 X86_COND_A, EFLAGS))]>,
1363 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1364 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1365 "cmovl\t{$src2, $dst|$dst, $src2}",
1366 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1367 X86_COND_L, EFLAGS))]>,
1369 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1370 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1371 "cmovl\t{$src2, $dst|$dst, $src2}",
1372 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1373 X86_COND_L, EFLAGS))]>,
1375 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1376 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1377 "cmovge\t{$src2, $dst|$dst, $src2}",
1378 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1379 X86_COND_GE, EFLAGS))]>,
1381 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1382 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1383 "cmovge\t{$src2, $dst|$dst, $src2}",
1384 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1385 X86_COND_GE, EFLAGS))]>,
1387 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1388 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1389 "cmovle\t{$src2, $dst|$dst, $src2}",
1390 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1391 X86_COND_LE, EFLAGS))]>,
1393 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1394 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1395 "cmovle\t{$src2, $dst|$dst, $src2}",
1396 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1397 X86_COND_LE, EFLAGS))]>,
1399 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1400 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1401 "cmovg\t{$src2, $dst|$dst, $src2}",
1402 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1403 X86_COND_G, EFLAGS))]>,
1405 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1406 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1407 "cmovg\t{$src2, $dst|$dst, $src2}",
1408 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1409 X86_COND_G, EFLAGS))]>,
1411 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1412 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1413 "cmovs\t{$src2, $dst|$dst, $src2}",
1414 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1415 X86_COND_S, EFLAGS))]>,
1417 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1418 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1419 "cmovs\t{$src2, $dst|$dst, $src2}",
1420 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1421 X86_COND_S, EFLAGS))]>,
1423 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1424 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1425 "cmovns\t{$src2, $dst|$dst, $src2}",
1426 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1427 X86_COND_NS, EFLAGS))]>,
1429 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1430 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1431 "cmovns\t{$src2, $dst|$dst, $src2}",
1432 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1433 X86_COND_NS, EFLAGS))]>,
1435 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1436 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1437 "cmovp\t{$src2, $dst|$dst, $src2}",
1438 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1439 X86_COND_P, EFLAGS))]>,
1441 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1442 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1443 "cmovp\t{$src2, $dst|$dst, $src2}",
1444 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1445 X86_COND_P, EFLAGS))]>,
1447 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1448 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1449 "cmovnp\t{$src2, $dst|$dst, $src2}",
1450 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1451 X86_COND_NP, EFLAGS))]>,
1453 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1454 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1455 "cmovnp\t{$src2, $dst|$dst, $src2}",
1456 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1457 X86_COND_NP, EFLAGS))]>,
1459 def CMOVO16rm : I<0x40, MRMSrcMem, // if overflow, GR16 = [mem16]
1460 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1461 "cmovo\t{$src2, $dst|$dst, $src2}",
1462 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1463 X86_COND_O, EFLAGS))]>,
1465 def CMOVO32rm : I<0x40, MRMSrcMem, // if overflow, GR32 = [mem32]
1466 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1467 "cmovo\t{$src2, $dst|$dst, $src2}",
1468 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1469 X86_COND_O, EFLAGS))]>,
1471 def CMOVNO16rm : I<0x41, MRMSrcMem, // if !overflow, GR16 = [mem16]
1472 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1473 "cmovno\t{$src2, $dst|$dst, $src2}",
1474 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1475 X86_COND_NO, EFLAGS))]>,
1477 def CMOVNO32rm : I<0x41, MRMSrcMem, // if !overflow, GR32 = [mem32]
1478 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1479 "cmovno\t{$src2, $dst|$dst, $src2}",
1480 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1481 X86_COND_NO, EFLAGS))]>,
1483 } // Uses = [EFLAGS]
1486 // unary instructions
1487 let CodeSize = 2 in {
1488 let Defs = [EFLAGS] in {
1489 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src), "neg{b}\t$dst",
1490 [(set GR8:$dst, (ineg GR8:$src)),
1491 (implicit EFLAGS)]>;
1492 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src), "neg{w}\t$dst",
1493 [(set GR16:$dst, (ineg GR16:$src)),
1494 (implicit EFLAGS)]>, OpSize;
1495 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src), "neg{l}\t$dst",
1496 [(set GR32:$dst, (ineg GR32:$src)),
1497 (implicit EFLAGS)]>;
1498 let isTwoAddress = 0 in {
1499 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), "neg{b}\t$dst",
1500 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
1501 (implicit EFLAGS)]>;
1502 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), "neg{w}\t$dst",
1503 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
1504 (implicit EFLAGS)]>, OpSize;
1505 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), "neg{l}\t$dst",
1506 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
1507 (implicit EFLAGS)]>;
1509 } // Defs = [EFLAGS]
1511 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
1512 let AddedComplexity = 15 in {
1513 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src), "not{b}\t$dst",
1514 [(set GR8:$dst, (not GR8:$src))]>;
1515 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src), "not{w}\t$dst",
1516 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1517 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src), "not{l}\t$dst",
1518 [(set GR32:$dst, (not GR32:$src))]>;
1520 let isTwoAddress = 0 in {
1521 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), "not{b}\t$dst",
1522 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1523 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), "not{w}\t$dst",
1524 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1525 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), "not{l}\t$dst",
1526 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1530 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1531 let Defs = [EFLAGS] in {
1533 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
1534 [(set GR8:$dst, (add GR8:$src, 1)),
1535 (implicit EFLAGS)]>;
1536 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1537 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "inc{w}\t$dst",
1538 [(set GR16:$dst, (add GR16:$src, 1)),
1539 (implicit EFLAGS)]>,
1540 OpSize, Requires<[In32BitMode]>;
1541 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "inc{l}\t$dst",
1542 [(set GR32:$dst, (add GR32:$src, 1)),
1543 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1545 let isTwoAddress = 0, CodeSize = 2 in {
1546 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1547 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
1548 (implicit EFLAGS)]>;
1549 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1550 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
1551 (implicit EFLAGS)]>,
1552 OpSize, Requires<[In32BitMode]>;
1553 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1554 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
1555 (implicit EFLAGS)]>,
1556 Requires<[In32BitMode]>;
1560 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src), "dec{b}\t$dst",
1561 [(set GR8:$dst, (add GR8:$src, -1)),
1562 (implicit EFLAGS)]>;
1563 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1564 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "dec{w}\t$dst",
1565 [(set GR16:$dst, (add GR16:$src, -1)),
1566 (implicit EFLAGS)]>,
1567 OpSize, Requires<[In32BitMode]>;
1568 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "dec{l}\t$dst",
1569 [(set GR32:$dst, (add GR32:$src, -1)),
1570 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1573 let isTwoAddress = 0, CodeSize = 2 in {
1574 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1575 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
1576 (implicit EFLAGS)]>;
1577 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1578 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
1579 (implicit EFLAGS)]>,
1580 OpSize, Requires<[In32BitMode]>;
1581 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1582 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
1583 (implicit EFLAGS)]>,
1584 Requires<[In32BitMode]>;
1586 } // Defs = [EFLAGS]
1588 // Logical operators...
1589 let Defs = [EFLAGS] in {
1590 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1591 def AND8rr : I<0x20, MRMDestReg,
1592 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1593 "and{b}\t{$src2, $dst|$dst, $src2}",
1594 [(set GR8:$dst, (and GR8:$src1, GR8:$src2)),
1595 (implicit EFLAGS)]>;
1596 def AND16rr : I<0x21, MRMDestReg,
1597 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1598 "and{w}\t{$src2, $dst|$dst, $src2}",
1599 [(set GR16:$dst, (and GR16:$src1, GR16:$src2)),
1600 (implicit EFLAGS)]>, OpSize;
1601 def AND32rr : I<0x21, MRMDestReg,
1602 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1603 "and{l}\t{$src2, $dst|$dst, $src2}",
1604 [(set GR32:$dst, (and GR32:$src1, GR32:$src2)),
1605 (implicit EFLAGS)]>;
1608 def AND8rm : I<0x22, MRMSrcMem,
1609 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1610 "and{b}\t{$src2, $dst|$dst, $src2}",
1611 [(set GR8:$dst, (and GR8:$src1, (loadi8 addr:$src2))),
1612 (implicit EFLAGS)]>;
1613 def AND16rm : I<0x23, MRMSrcMem,
1614 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1615 "and{w}\t{$src2, $dst|$dst, $src2}",
1616 [(set GR16:$dst, (and GR16:$src1, (loadi16 addr:$src2))),
1617 (implicit EFLAGS)]>, OpSize;
1618 def AND32rm : I<0x23, MRMSrcMem,
1619 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1620 "and{l}\t{$src2, $dst|$dst, $src2}",
1621 [(set GR32:$dst, (and GR32:$src1, (loadi32 addr:$src2))),
1622 (implicit EFLAGS)]>;
1624 def AND8ri : Ii8<0x80, MRM4r,
1625 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1626 "and{b}\t{$src2, $dst|$dst, $src2}",
1627 [(set GR8:$dst, (and GR8:$src1, imm:$src2)),
1628 (implicit EFLAGS)]>;
1629 def AND16ri : Ii16<0x81, MRM4r,
1630 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1631 "and{w}\t{$src2, $dst|$dst, $src2}",
1632 [(set GR16:$dst, (and GR16:$src1, imm:$src2)),
1633 (implicit EFLAGS)]>, OpSize;
1634 def AND32ri : Ii32<0x81, MRM4r,
1635 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1636 "and{l}\t{$src2, $dst|$dst, $src2}",
1637 [(set GR32:$dst, (and GR32:$src1, imm:$src2)),
1638 (implicit EFLAGS)]>;
1639 def AND16ri8 : Ii8<0x83, MRM4r,
1640 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1641 "and{w}\t{$src2, $dst|$dst, $src2}",
1642 [(set GR16:$dst, (and GR16:$src1, i16immSExt8:$src2)),
1643 (implicit EFLAGS)]>,
1645 def AND32ri8 : Ii8<0x83, MRM4r,
1646 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1647 "and{l}\t{$src2, $dst|$dst, $src2}",
1648 [(set GR32:$dst, (and GR32:$src1, i32immSExt8:$src2)),
1649 (implicit EFLAGS)]>;
1651 let isTwoAddress = 0 in {
1652 def AND8mr : I<0x20, MRMDestMem,
1653 (outs), (ins i8mem :$dst, GR8 :$src),
1654 "and{b}\t{$src, $dst|$dst, $src}",
1655 [(store (and (load addr:$dst), GR8:$src), addr:$dst),
1656 (implicit EFLAGS)]>;
1657 def AND16mr : I<0x21, MRMDestMem,
1658 (outs), (ins i16mem:$dst, GR16:$src),
1659 "and{w}\t{$src, $dst|$dst, $src}",
1660 [(store (and (load addr:$dst), GR16:$src), addr:$dst),
1661 (implicit EFLAGS)]>,
1663 def AND32mr : I<0x21, MRMDestMem,
1664 (outs), (ins i32mem:$dst, GR32:$src),
1665 "and{l}\t{$src, $dst|$dst, $src}",
1666 [(store (and (load addr:$dst), GR32:$src), addr:$dst),
1667 (implicit EFLAGS)]>;
1668 def AND8mi : Ii8<0x80, MRM4m,
1669 (outs), (ins i8mem :$dst, i8imm :$src),
1670 "and{b}\t{$src, $dst|$dst, $src}",
1671 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
1672 (implicit EFLAGS)]>;
1673 def AND16mi : Ii16<0x81, MRM4m,
1674 (outs), (ins i16mem:$dst, i16imm:$src),
1675 "and{w}\t{$src, $dst|$dst, $src}",
1676 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
1677 (implicit EFLAGS)]>,
1679 def AND32mi : Ii32<0x81, MRM4m,
1680 (outs), (ins i32mem:$dst, i32imm:$src),
1681 "and{l}\t{$src, $dst|$dst, $src}",
1682 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
1683 (implicit EFLAGS)]>;
1684 def AND16mi8 : Ii8<0x83, MRM4m,
1685 (outs), (ins i16mem:$dst, i16i8imm :$src),
1686 "and{w}\t{$src, $dst|$dst, $src}",
1687 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
1688 (implicit EFLAGS)]>,
1690 def AND32mi8 : Ii8<0x83, MRM4m,
1691 (outs), (ins i32mem:$dst, i32i8imm :$src),
1692 "and{l}\t{$src, $dst|$dst, $src}",
1693 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
1694 (implicit EFLAGS)]>;
1696 def AND8i8 : Ii8<0x24, RawFrm, (outs), (ins i8imm:$src),
1697 "and{b}\t{$src, %al|%al, $src}", []>;
1698 def AND16i16 : Ii16<0x25, RawFrm, (outs), (ins i16imm:$src),
1699 "and{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1700 def AND32i32 : Ii32<0x25, RawFrm, (outs), (ins i32imm:$src),
1701 "and{l}\t{$src, %eax|%eax, $src}", []>;
1706 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1707 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1708 "or{b}\t{$src2, $dst|$dst, $src2}",
1709 [(set GR8:$dst, (or GR8:$src1, GR8:$src2)),
1710 (implicit EFLAGS)]>;
1711 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1712 "or{w}\t{$src2, $dst|$dst, $src2}",
1713 [(set GR16:$dst, (or GR16:$src1, GR16:$src2)),
1714 (implicit EFLAGS)]>, OpSize;
1715 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1716 "or{l}\t{$src2, $dst|$dst, $src2}",
1717 [(set GR32:$dst, (or GR32:$src1, GR32:$src2)),
1718 (implicit EFLAGS)]>;
1720 def OR8rm : I<0x0A, MRMSrcMem , (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1721 "or{b}\t{$src2, $dst|$dst, $src2}",
1722 [(set GR8:$dst, (or GR8:$src1, (load addr:$src2))),
1723 (implicit EFLAGS)]>;
1724 def OR16rm : I<0x0B, MRMSrcMem , (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1725 "or{w}\t{$src2, $dst|$dst, $src2}",
1726 [(set GR16:$dst, (or GR16:$src1, (load addr:$src2))),
1727 (implicit EFLAGS)]>, OpSize;
1728 def OR32rm : I<0x0B, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1729 "or{l}\t{$src2, $dst|$dst, $src2}",
1730 [(set GR32:$dst, (or GR32:$src1, (load addr:$src2))),
1731 (implicit EFLAGS)]>;
1733 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1734 "or{b}\t{$src2, $dst|$dst, $src2}",
1735 [(set GR8:$dst, (or GR8:$src1, imm:$src2)),
1736 (implicit EFLAGS)]>;
1737 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1738 "or{w}\t{$src2, $dst|$dst, $src2}",
1739 [(set GR16:$dst, (or GR16:$src1, imm:$src2)),
1740 (implicit EFLAGS)]>, OpSize;
1741 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1742 "or{l}\t{$src2, $dst|$dst, $src2}",
1743 [(set GR32:$dst, (or GR32:$src1, imm:$src2)),
1744 (implicit EFLAGS)]>;
1746 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1747 "or{w}\t{$src2, $dst|$dst, $src2}",
1748 [(set GR16:$dst, (or GR16:$src1, i16immSExt8:$src2)),
1749 (implicit EFLAGS)]>, OpSize;
1750 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1751 "or{l}\t{$src2, $dst|$dst, $src2}",
1752 [(set GR32:$dst, (or GR32:$src1, i32immSExt8:$src2)),
1753 (implicit EFLAGS)]>;
1754 let isTwoAddress = 0 in {
1755 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1756 "or{b}\t{$src, $dst|$dst, $src}",
1757 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
1758 (implicit EFLAGS)]>;
1759 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1760 "or{w}\t{$src, $dst|$dst, $src}",
1761 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
1762 (implicit EFLAGS)]>, OpSize;
1763 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1764 "or{l}\t{$src, $dst|$dst, $src}",
1765 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
1766 (implicit EFLAGS)]>;
1767 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1768 "or{b}\t{$src, $dst|$dst, $src}",
1769 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
1770 (implicit EFLAGS)]>;
1771 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
1772 "or{w}\t{$src, $dst|$dst, $src}",
1773 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
1774 (implicit EFLAGS)]>,
1776 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
1777 "or{l}\t{$src, $dst|$dst, $src}",
1778 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
1779 (implicit EFLAGS)]>;
1780 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
1781 "or{w}\t{$src, $dst|$dst, $src}",
1782 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
1783 (implicit EFLAGS)]>,
1785 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
1786 "or{l}\t{$src, $dst|$dst, $src}",
1787 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
1788 (implicit EFLAGS)]>;
1790 def OR8i8 : Ii8 <0x0C, RawFrm, (outs), (ins i8imm:$src),
1791 "or{b}\t{$src, %al|%al, $src}", []>;
1792 def OR16i16 : Ii16 <0x0D, RawFrm, (outs), (ins i16imm:$src),
1793 "or{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1794 def OR32i32 : Ii32 <0x0D, RawFrm, (outs), (ins i32imm:$src),
1795 "or{l}\t{$src, %eax|%eax, $src}", []>;
1796 } // isTwoAddress = 0
1799 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1800 def XOR8rr : I<0x30, MRMDestReg,
1801 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1802 "xor{b}\t{$src2, $dst|$dst, $src2}",
1803 [(set GR8:$dst, (xor GR8:$src1, GR8:$src2)),
1804 (implicit EFLAGS)]>;
1805 def XOR16rr : I<0x31, MRMDestReg,
1806 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1807 "xor{w}\t{$src2, $dst|$dst, $src2}",
1808 [(set GR16:$dst, (xor GR16:$src1, GR16:$src2)),
1809 (implicit EFLAGS)]>, OpSize;
1810 def XOR32rr : I<0x31, MRMDestReg,
1811 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1812 "xor{l}\t{$src2, $dst|$dst, $src2}",
1813 [(set GR32:$dst, (xor GR32:$src1, GR32:$src2)),
1814 (implicit EFLAGS)]>;
1815 } // isCommutable = 1
1817 def XOR8rm : I<0x32, MRMSrcMem ,
1818 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
1819 "xor{b}\t{$src2, $dst|$dst, $src2}",
1820 [(set GR8:$dst, (xor GR8:$src1, (load addr:$src2))),
1821 (implicit EFLAGS)]>;
1822 def XOR16rm : I<0x33, MRMSrcMem ,
1823 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1824 "xor{w}\t{$src2, $dst|$dst, $src2}",
1825 [(set GR16:$dst, (xor GR16:$src1, (load addr:$src2))),
1826 (implicit EFLAGS)]>,
1828 def XOR32rm : I<0x33, MRMSrcMem ,
1829 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1830 "xor{l}\t{$src2, $dst|$dst, $src2}",
1831 [(set GR32:$dst, (xor GR32:$src1, (load addr:$src2))),
1832 (implicit EFLAGS)]>;
1834 def XOR8ri : Ii8<0x80, MRM6r,
1835 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1836 "xor{b}\t{$src2, $dst|$dst, $src2}",
1837 [(set GR8:$dst, (xor GR8:$src1, imm:$src2)),
1838 (implicit EFLAGS)]>;
1839 def XOR16ri : Ii16<0x81, MRM6r,
1840 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1841 "xor{w}\t{$src2, $dst|$dst, $src2}",
1842 [(set GR16:$dst, (xor GR16:$src1, imm:$src2)),
1843 (implicit EFLAGS)]>, OpSize;
1844 def XOR32ri : Ii32<0x81, MRM6r,
1845 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1846 "xor{l}\t{$src2, $dst|$dst, $src2}",
1847 [(set GR32:$dst, (xor GR32:$src1, imm:$src2)),
1848 (implicit EFLAGS)]>;
1849 def XOR16ri8 : Ii8<0x83, MRM6r,
1850 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1851 "xor{w}\t{$src2, $dst|$dst, $src2}",
1852 [(set GR16:$dst, (xor GR16:$src1, i16immSExt8:$src2)),
1853 (implicit EFLAGS)]>,
1855 def XOR32ri8 : Ii8<0x83, MRM6r,
1856 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1857 "xor{l}\t{$src2, $dst|$dst, $src2}",
1858 [(set GR32:$dst, (xor GR32:$src1, i32immSExt8:$src2)),
1859 (implicit EFLAGS)]>;
1861 let isTwoAddress = 0 in {
1862 def XOR8mr : I<0x30, MRMDestMem,
1863 (outs), (ins i8mem :$dst, GR8 :$src),
1864 "xor{b}\t{$src, $dst|$dst, $src}",
1865 [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
1866 (implicit EFLAGS)]>;
1867 def XOR16mr : I<0x31, MRMDestMem,
1868 (outs), (ins i16mem:$dst, GR16:$src),
1869 "xor{w}\t{$src, $dst|$dst, $src}",
1870 [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
1871 (implicit EFLAGS)]>,
1873 def XOR32mr : I<0x31, MRMDestMem,
1874 (outs), (ins i32mem:$dst, GR32:$src),
1875 "xor{l}\t{$src, $dst|$dst, $src}",
1876 [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
1877 (implicit EFLAGS)]>;
1878 def XOR8mi : Ii8<0x80, MRM6m,
1879 (outs), (ins i8mem :$dst, i8imm :$src),
1880 "xor{b}\t{$src, $dst|$dst, $src}",
1881 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
1882 (implicit EFLAGS)]>;
1883 def XOR16mi : Ii16<0x81, MRM6m,
1884 (outs), (ins i16mem:$dst, i16imm:$src),
1885 "xor{w}\t{$src, $dst|$dst, $src}",
1886 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
1887 (implicit EFLAGS)]>,
1889 def XOR32mi : Ii32<0x81, MRM6m,
1890 (outs), (ins i32mem:$dst, i32imm:$src),
1891 "xor{l}\t{$src, $dst|$dst, $src}",
1892 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
1893 (implicit EFLAGS)]>;
1894 def XOR16mi8 : Ii8<0x83, MRM6m,
1895 (outs), (ins i16mem:$dst, i16i8imm :$src),
1896 "xor{w}\t{$src, $dst|$dst, $src}",
1897 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
1898 (implicit EFLAGS)]>,
1900 def XOR32mi8 : Ii8<0x83, MRM6m,
1901 (outs), (ins i32mem:$dst, i32i8imm :$src),
1902 "xor{l}\t{$src, $dst|$dst, $src}",
1903 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
1904 (implicit EFLAGS)]>;
1906 def XOR8i8 : Ii8 <0x34, RawFrm, (outs), (ins i8imm:$src),
1907 "xor{b}\t{$src, %al|%al, $src}", []>;
1908 def XOR16i16 : Ii16 <0x35, RawFrm, (outs), (ins i16imm:$src),
1909 "xor{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1910 def XOR32i32 : Ii32 <0x35, RawFrm, (outs), (ins i32imm:$src),
1911 "xor{l}\t{$src, %eax|%eax, $src}", []>;
1912 } // isTwoAddress = 0
1913 } // Defs = [EFLAGS]
1915 // Shift instructions
1916 let Defs = [EFLAGS] in {
1917 let Uses = [CL] in {
1918 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src),
1919 "shl{b}\t{%cl, $dst|$dst, CL}",
1920 [(set GR8:$dst, (shl GR8:$src, CL))]>;
1921 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src),
1922 "shl{w}\t{%cl, $dst|$dst, CL}",
1923 [(set GR16:$dst, (shl GR16:$src, CL))]>, OpSize;
1924 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src),
1925 "shl{l}\t{%cl, $dst|$dst, CL}",
1926 [(set GR32:$dst, (shl GR32:$src, CL))]>;
1929 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1930 "shl{b}\t{$src2, $dst|$dst, $src2}",
1931 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
1932 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1933 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1934 "shl{w}\t{$src2, $dst|$dst, $src2}",
1935 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1936 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1937 "shl{l}\t{$src2, $dst|$dst, $src2}",
1938 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
1939 // NOTE: We don't use shifts of a register by one, because 'add reg,reg' is
1941 } // isConvertibleToThreeAddress = 1
1943 let isTwoAddress = 0 in {
1944 let Uses = [CL] in {
1945 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
1946 "shl{b}\t{%cl, $dst|$dst, CL}",
1947 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
1948 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
1949 "shl{w}\t{%cl, $dst|$dst, CL}",
1950 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1951 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
1952 "shl{l}\t{%cl, $dst|$dst, CL}",
1953 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
1955 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
1956 "shl{b}\t{$src, $dst|$dst, $src}",
1957 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1958 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
1959 "shl{w}\t{$src, $dst|$dst, $src}",
1960 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1962 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
1963 "shl{l}\t{$src, $dst|$dst, $src}",
1964 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1967 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
1969 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1970 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
1972 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1974 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
1976 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1979 let Uses = [CL] in {
1980 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src),
1981 "shr{b}\t{%cl, $dst|$dst, CL}",
1982 [(set GR8:$dst, (srl GR8:$src, CL))]>;
1983 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src),
1984 "shr{w}\t{%cl, $dst|$dst, CL}",
1985 [(set GR16:$dst, (srl GR16:$src, CL))]>, OpSize;
1986 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src),
1987 "shr{l}\t{%cl, $dst|$dst, CL}",
1988 [(set GR32:$dst, (srl GR32:$src, CL))]>;
1991 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1992 "shr{b}\t{$src2, $dst|$dst, $src2}",
1993 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
1994 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1995 "shr{w}\t{$src2, $dst|$dst, $src2}",
1996 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1997 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1998 "shr{l}\t{$src2, $dst|$dst, $src2}",
1999 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
2002 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
2004 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
2005 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
2007 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
2008 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
2010 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
2012 let isTwoAddress = 0 in {
2013 let Uses = [CL] in {
2014 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
2015 "shr{b}\t{%cl, $dst|$dst, CL}",
2016 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
2017 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
2018 "shr{w}\t{%cl, $dst|$dst, CL}",
2019 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
2021 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
2022 "shr{l}\t{%cl, $dst|$dst, CL}",
2023 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
2025 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
2026 "shr{b}\t{$src, $dst|$dst, $src}",
2027 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2028 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
2029 "shr{w}\t{$src, $dst|$dst, $src}",
2030 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2032 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
2033 "shr{l}\t{$src, $dst|$dst, $src}",
2034 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2037 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
2039 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2040 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
2042 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
2043 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
2045 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2048 let Uses = [CL] in {
2049 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src),
2050 "sar{b}\t{%cl, $dst|$dst, CL}",
2051 [(set GR8:$dst, (sra GR8:$src, CL))]>;
2052 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src),
2053 "sar{w}\t{%cl, $dst|$dst, CL}",
2054 [(set GR16:$dst, (sra GR16:$src, CL))]>, OpSize;
2055 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src),
2056 "sar{l}\t{%cl, $dst|$dst, CL}",
2057 [(set GR32:$dst, (sra GR32:$src, CL))]>;
2060 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2061 "sar{b}\t{$src2, $dst|$dst, $src2}",
2062 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
2063 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2064 "sar{w}\t{$src2, $dst|$dst, $src2}",
2065 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
2067 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2068 "sar{l}\t{$src2, $dst|$dst, $src2}",
2069 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
2072 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
2074 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
2075 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
2077 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
2078 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
2080 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
2082 let isTwoAddress = 0 in {
2083 let Uses = [CL] in {
2084 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
2085 "sar{b}\t{%cl, $dst|$dst, CL}",
2086 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
2087 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
2088 "sar{w}\t{%cl, $dst|$dst, CL}",
2089 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2090 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
2091 "sar{l}\t{%cl, $dst|$dst, CL}",
2092 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
2094 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
2095 "sar{b}\t{$src, $dst|$dst, $src}",
2096 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2097 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
2098 "sar{w}\t{$src, $dst|$dst, $src}",
2099 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2101 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
2102 "sar{l}\t{$src, $dst|$dst, $src}",
2103 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2106 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
2108 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2109 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
2111 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2113 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
2115 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2118 // Rotate instructions
2119 // FIXME: provide shorter instructions when imm8 == 1
2120 let Uses = [CL] in {
2121 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),
2122 "rol{b}\t{%cl, $dst|$dst, CL}",
2123 [(set GR8:$dst, (rotl GR8:$src, CL))]>;
2124 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src),
2125 "rol{w}\t{%cl, $dst|$dst, CL}",
2126 [(set GR16:$dst, (rotl GR16:$src, CL))]>, OpSize;
2127 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src),
2128 "rol{l}\t{%cl, $dst|$dst, CL}",
2129 [(set GR32:$dst, (rotl GR32:$src, CL))]>;
2132 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2133 "rol{b}\t{$src2, $dst|$dst, $src2}",
2134 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
2135 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2136 "rol{w}\t{$src2, $dst|$dst, $src2}",
2137 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2138 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2139 "rol{l}\t{$src2, $dst|$dst, $src2}",
2140 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
2143 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
2145 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
2146 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
2148 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
2149 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
2151 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
2153 let isTwoAddress = 0 in {
2154 let Uses = [CL] in {
2155 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
2156 "rol{b}\t{%cl, $dst|$dst, CL}",
2157 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
2158 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
2159 "rol{w}\t{%cl, $dst|$dst, CL}",
2160 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2161 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
2162 "rol{l}\t{%cl, $dst|$dst, CL}",
2163 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
2165 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
2166 "rol{b}\t{$src, $dst|$dst, $src}",
2167 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2168 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
2169 "rol{w}\t{$src, $dst|$dst, $src}",
2170 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2172 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
2173 "rol{l}\t{$src, $dst|$dst, $src}",
2174 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2177 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
2179 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2180 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
2182 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2184 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
2186 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2189 let Uses = [CL] in {
2190 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),
2191 "ror{b}\t{%cl, $dst|$dst, CL}",
2192 [(set GR8:$dst, (rotr GR8:$src, CL))]>;
2193 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src),
2194 "ror{w}\t{%cl, $dst|$dst, CL}",
2195 [(set GR16:$dst, (rotr GR16:$src, CL))]>, OpSize;
2196 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src),
2197 "ror{l}\t{%cl, $dst|$dst, CL}",
2198 [(set GR32:$dst, (rotr GR32:$src, CL))]>;
2201 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2202 "ror{b}\t{$src2, $dst|$dst, $src2}",
2203 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
2204 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2205 "ror{w}\t{$src2, $dst|$dst, $src2}",
2206 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2207 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2208 "ror{l}\t{$src2, $dst|$dst, $src2}",
2209 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
2212 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2214 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
2215 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2217 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
2218 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2220 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
2222 let isTwoAddress = 0 in {
2223 let Uses = [CL] in {
2224 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
2225 "ror{b}\t{%cl, $dst|$dst, CL}",
2226 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
2227 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
2228 "ror{w}\t{%cl, $dst|$dst, CL}",
2229 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2230 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
2231 "ror{l}\t{%cl, $dst|$dst, CL}",
2232 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
2234 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2235 "ror{b}\t{$src, $dst|$dst, $src}",
2236 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2237 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
2238 "ror{w}\t{$src, $dst|$dst, $src}",
2239 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2241 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
2242 "ror{l}\t{$src, $dst|$dst, $src}",
2243 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2246 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
2248 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2249 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
2251 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2253 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
2255 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2260 // Double shift instructions (generalizations of rotate)
2261 let Uses = [CL] in {
2262 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2263 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2264 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
2265 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2266 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2267 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
2268 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2269 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2270 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
2272 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2273 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2274 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
2278 let isCommutable = 1 in { // These instructions commute to each other.
2279 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
2280 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2281 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2282 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
2285 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
2286 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2287 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2288 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
2291 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
2292 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2293 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2294 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
2297 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
2298 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2299 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2300 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
2305 let isTwoAddress = 0 in {
2306 let Uses = [CL] in {
2307 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2308 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2309 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
2311 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2312 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2313 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
2316 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
2317 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2318 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2319 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
2320 (i8 imm:$src3)), addr:$dst)]>,
2322 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
2323 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2324 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2325 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
2326 (i8 imm:$src3)), addr:$dst)]>,
2329 let Uses = [CL] in {
2330 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2331 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2332 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
2333 addr:$dst)]>, TB, OpSize;
2334 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2335 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2336 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
2337 addr:$dst)]>, TB, OpSize;
2339 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
2340 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2341 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2342 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
2343 (i8 imm:$src3)), addr:$dst)]>,
2345 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
2346 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2347 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2348 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
2349 (i8 imm:$src3)), addr:$dst)]>,
2352 } // Defs = [EFLAGS]
2356 let Defs = [EFLAGS] in {
2357 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
2358 // Register-Register Addition
2359 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
2360 (ins GR8 :$src1, GR8 :$src2),
2361 "add{b}\t{$src2, $dst|$dst, $src2}",
2362 [(set GR8:$dst, (add GR8:$src1, GR8:$src2)),
2363 (implicit EFLAGS)]>;
2365 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2366 // Register-Register Addition
2367 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
2368 (ins GR16:$src1, GR16:$src2),
2369 "add{w}\t{$src2, $dst|$dst, $src2}",
2370 [(set GR16:$dst, (add GR16:$src1, GR16:$src2)),
2371 (implicit EFLAGS)]>, OpSize;
2372 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
2373 (ins GR32:$src1, GR32:$src2),
2374 "add{l}\t{$src2, $dst|$dst, $src2}",
2375 [(set GR32:$dst, (add GR32:$src1, GR32:$src2)),
2376 (implicit EFLAGS)]>;
2377 } // end isConvertibleToThreeAddress
2378 } // end isCommutable
2380 // Register-Memory Addition
2381 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
2382 (ins GR8 :$src1, i8mem :$src2),
2383 "add{b}\t{$src2, $dst|$dst, $src2}",
2384 [(set GR8:$dst, (add GR8:$src1, (load addr:$src2))),
2385 (implicit EFLAGS)]>;
2386 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
2387 (ins GR16:$src1, i16mem:$src2),
2388 "add{w}\t{$src2, $dst|$dst, $src2}",
2389 [(set GR16:$dst, (add GR16:$src1, (load addr:$src2))),
2390 (implicit EFLAGS)]>, OpSize;
2391 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
2392 (ins GR32:$src1, i32mem:$src2),
2393 "add{l}\t{$src2, $dst|$dst, $src2}",
2394 [(set GR32:$dst, (add GR32:$src1, (load addr:$src2))),
2395 (implicit EFLAGS)]>;
2397 // Register-Integer Addition
2398 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2399 "add{b}\t{$src2, $dst|$dst, $src2}",
2400 [(set GR8:$dst, (add GR8:$src1, imm:$src2)),
2401 (implicit EFLAGS)]>;
2403 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2404 // Register-Integer Addition
2405 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
2406 (ins GR16:$src1, i16imm:$src2),
2407 "add{w}\t{$src2, $dst|$dst, $src2}",
2408 [(set GR16:$dst, (add GR16:$src1, imm:$src2)),
2409 (implicit EFLAGS)]>, OpSize;
2410 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2411 (ins GR32:$src1, i32imm:$src2),
2412 "add{l}\t{$src2, $dst|$dst, $src2}",
2413 [(set GR32:$dst, (add GR32:$src1, imm:$src2)),
2414 (implicit EFLAGS)]>;
2415 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2416 (ins GR16:$src1, i16i8imm:$src2),
2417 "add{w}\t{$src2, $dst|$dst, $src2}",
2418 [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2)),
2419 (implicit EFLAGS)]>, OpSize;
2420 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2421 (ins GR32:$src1, i32i8imm:$src2),
2422 "add{l}\t{$src2, $dst|$dst, $src2}",
2423 [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2)),
2424 (implicit EFLAGS)]>;
2427 let isTwoAddress = 0 in {
2428 // Memory-Register Addition
2429 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2430 "add{b}\t{$src2, $dst|$dst, $src2}",
2431 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2432 (implicit EFLAGS)]>;
2433 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2434 "add{w}\t{$src2, $dst|$dst, $src2}",
2435 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2436 (implicit EFLAGS)]>, OpSize;
2437 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2438 "add{l}\t{$src2, $dst|$dst, $src2}",
2439 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2440 (implicit EFLAGS)]>;
2441 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2442 "add{b}\t{$src2, $dst|$dst, $src2}",
2443 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2444 (implicit EFLAGS)]>;
2445 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2446 "add{w}\t{$src2, $dst|$dst, $src2}",
2447 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2448 (implicit EFLAGS)]>, OpSize;
2449 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2450 "add{l}\t{$src2, $dst|$dst, $src2}",
2451 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2452 (implicit EFLAGS)]>;
2453 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2454 "add{w}\t{$src2, $dst|$dst, $src2}",
2455 [(store (add (load addr:$dst), i16immSExt8:$src2),
2457 (implicit EFLAGS)]>, OpSize;
2458 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2459 "add{l}\t{$src2, $dst|$dst, $src2}",
2460 [(store (add (load addr:$dst), i32immSExt8:$src2),
2462 (implicit EFLAGS)]>;
2465 def ADD8i8 : Ii8<0x04, RawFrm, (outs), (ins i8imm:$src),
2466 "add{b}\t{$src, %al|%al, $src}", []>;
2467 def ADD16i16 : Ii16<0x05, RawFrm, (outs), (ins i16imm:$src),
2468 "add{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2469 def ADD32i32 : Ii32<0x05, RawFrm, (outs), (ins i32imm:$src),
2470 "add{l}\t{$src, %eax|%eax, $src}", []>;
2473 let Uses = [EFLAGS] in {
2474 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2475 def ADC8rr : I<0x10, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2476 "adc{b}\t{$src2, $dst|$dst, $src2}",
2477 [(set GR8:$dst, (adde GR8:$src1, GR8:$src2))]>;
2478 def ADC16rr : I<0x11, MRMDestReg, (outs GR16:$dst),
2479 (ins GR16:$src1, GR16:$src2),
2480 "adc{w}\t{$src2, $dst|$dst, $src2}",
2481 [(set GR16:$dst, (adde GR16:$src1, GR16:$src2))]>, OpSize;
2482 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst),
2483 (ins GR32:$src1, GR32:$src2),
2484 "adc{l}\t{$src2, $dst|$dst, $src2}",
2485 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2487 def ADC8rm : I<0x12, MRMSrcMem , (outs GR8:$dst),
2488 (ins GR8:$src1, i8mem:$src2),
2489 "adc{b}\t{$src2, $dst|$dst, $src2}",
2490 [(set GR8:$dst, (adde GR8:$src1, (load addr:$src2)))]>;
2491 def ADC16rm : I<0x13, MRMSrcMem , (outs GR16:$dst),
2492 (ins GR16:$src1, i16mem:$src2),
2493 "adc{w}\t{$src2, $dst|$dst, $src2}",
2494 [(set GR16:$dst, (adde GR16:$src1, (load addr:$src2)))]>,
2496 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst),
2497 (ins GR32:$src1, i32mem:$src2),
2498 "adc{l}\t{$src2, $dst|$dst, $src2}",
2499 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2500 def ADC8ri : Ii8<0x80, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2501 "adc{b}\t{$src2, $dst|$dst, $src2}",
2502 [(set GR8:$dst, (adde GR8:$src1, imm:$src2))]>;
2503 def ADC16ri : Ii16<0x81, MRM2r, (outs GR16:$dst),
2504 (ins GR16:$src1, i16imm:$src2),
2505 "adc{w}\t{$src2, $dst|$dst, $src2}",
2506 [(set GR16:$dst, (adde GR16:$src1, imm:$src2))]>, OpSize;
2507 def ADC16ri8 : Ii8<0x83, MRM2r, (outs GR16:$dst),
2508 (ins GR16:$src1, i16i8imm:$src2),
2509 "adc{w}\t{$src2, $dst|$dst, $src2}",
2510 [(set GR16:$dst, (adde GR16:$src1, i16immSExt8:$src2))]>,
2512 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst),
2513 (ins GR32:$src1, i32imm:$src2),
2514 "adc{l}\t{$src2, $dst|$dst, $src2}",
2515 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2516 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst),
2517 (ins GR32:$src1, i32i8imm:$src2),
2518 "adc{l}\t{$src2, $dst|$dst, $src2}",
2519 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2521 let isTwoAddress = 0 in {
2522 def ADC8mr : I<0x10, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2523 "adc{b}\t{$src2, $dst|$dst, $src2}",
2524 [(store (adde (load addr:$dst), GR8:$src2), addr:$dst)]>;
2525 def ADC16mr : I<0x11, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2526 "adc{w}\t{$src2, $dst|$dst, $src2}",
2527 [(store (adde (load addr:$dst), GR16:$src2), addr:$dst)]>,
2529 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2530 "adc{l}\t{$src2, $dst|$dst, $src2}",
2531 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2532 def ADC8mi : Ii8<0x80, MRM2m, (outs), (ins i8mem:$dst, i8imm:$src2),
2533 "adc{b}\t{$src2, $dst|$dst, $src2}",
2534 [(store (adde (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2535 def ADC16mi : Ii16<0x81, MRM2m, (outs), (ins i16mem:$dst, i16imm:$src2),
2536 "adc{w}\t{$src2, $dst|$dst, $src2}",
2537 [(store (adde (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2539 def ADC16mi8 : Ii8<0x83, MRM2m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2540 "adc{w}\t{$src2, $dst|$dst, $src2}",
2541 [(store (adde (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2543 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2544 "adc{l}\t{$src2, $dst|$dst, $src2}",
2545 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2546 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2547 "adc{l}\t{$src2, $dst|$dst, $src2}",
2548 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2550 def ADC8i8 : Ii8<0x14, RawFrm, (outs), (ins i8imm:$src),
2551 "adc{b}\t{$src, %al|%al, $src}", []>;
2552 def ADC16i16 : Ii16<0x15, RawFrm, (outs), (ins i16imm:$src),
2553 "adc{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2554 def ADC32i32 : Ii32<0x15, RawFrm, (outs), (ins i32imm:$src),
2555 "adc{l}\t{$src, %eax|%eax, $src}", []>;
2557 } // Uses = [EFLAGS]
2559 // Register-Register Subtraction
2560 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2561 "sub{b}\t{$src2, $dst|$dst, $src2}",
2562 [(set GR8:$dst, (sub GR8:$src1, GR8:$src2)),
2563 (implicit EFLAGS)]>;
2564 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2565 "sub{w}\t{$src2, $dst|$dst, $src2}",
2566 [(set GR16:$dst, (sub GR16:$src1, GR16:$src2)),
2567 (implicit EFLAGS)]>, OpSize;
2568 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2569 "sub{l}\t{$src2, $dst|$dst, $src2}",
2570 [(set GR32:$dst, (sub GR32:$src1, GR32:$src2)),
2571 (implicit EFLAGS)]>;
2573 // Register-Memory Subtraction
2574 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
2575 (ins GR8 :$src1, i8mem :$src2),
2576 "sub{b}\t{$src2, $dst|$dst, $src2}",
2577 [(set GR8:$dst, (sub GR8:$src1, (load addr:$src2))),
2578 (implicit EFLAGS)]>;
2579 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
2580 (ins GR16:$src1, i16mem:$src2),
2581 "sub{w}\t{$src2, $dst|$dst, $src2}",
2582 [(set GR16:$dst, (sub GR16:$src1, (load addr:$src2))),
2583 (implicit EFLAGS)]>, OpSize;
2584 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
2585 (ins GR32:$src1, i32mem:$src2),
2586 "sub{l}\t{$src2, $dst|$dst, $src2}",
2587 [(set GR32:$dst, (sub GR32:$src1, (load addr:$src2))),
2588 (implicit EFLAGS)]>;
2590 // Register-Integer Subtraction
2591 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
2592 (ins GR8:$src1, i8imm:$src2),
2593 "sub{b}\t{$src2, $dst|$dst, $src2}",
2594 [(set GR8:$dst, (sub GR8:$src1, imm:$src2)),
2595 (implicit EFLAGS)]>;
2596 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
2597 (ins GR16:$src1, i16imm:$src2),
2598 "sub{w}\t{$src2, $dst|$dst, $src2}",
2599 [(set GR16:$dst, (sub GR16:$src1, imm:$src2)),
2600 (implicit EFLAGS)]>, OpSize;
2601 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
2602 (ins GR32:$src1, i32imm:$src2),
2603 "sub{l}\t{$src2, $dst|$dst, $src2}",
2604 [(set GR32:$dst, (sub GR32:$src1, imm:$src2)),
2605 (implicit EFLAGS)]>;
2606 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
2607 (ins GR16:$src1, i16i8imm:$src2),
2608 "sub{w}\t{$src2, $dst|$dst, $src2}",
2609 [(set GR16:$dst, (sub GR16:$src1, i16immSExt8:$src2)),
2610 (implicit EFLAGS)]>, OpSize;
2611 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
2612 (ins GR32:$src1, i32i8imm:$src2),
2613 "sub{l}\t{$src2, $dst|$dst, $src2}",
2614 [(set GR32:$dst, (sub GR32:$src1, i32immSExt8:$src2)),
2615 (implicit EFLAGS)]>;
2617 let isTwoAddress = 0 in {
2618 // Memory-Register Subtraction
2619 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
2620 "sub{b}\t{$src2, $dst|$dst, $src2}",
2621 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
2622 (implicit EFLAGS)]>;
2623 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2624 "sub{w}\t{$src2, $dst|$dst, $src2}",
2625 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
2626 (implicit EFLAGS)]>, OpSize;
2627 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2628 "sub{l}\t{$src2, $dst|$dst, $src2}",
2629 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
2630 (implicit EFLAGS)]>;
2632 // Memory-Integer Subtraction
2633 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
2634 "sub{b}\t{$src2, $dst|$dst, $src2}",
2635 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
2636 (implicit EFLAGS)]>;
2637 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
2638 "sub{w}\t{$src2, $dst|$dst, $src2}",
2639 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
2640 (implicit EFLAGS)]>, OpSize;
2641 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
2642 "sub{l}\t{$src2, $dst|$dst, $src2}",
2643 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
2644 (implicit EFLAGS)]>;
2645 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2646 "sub{w}\t{$src2, $dst|$dst, $src2}",
2647 [(store (sub (load addr:$dst), i16immSExt8:$src2),
2649 (implicit EFLAGS)]>, OpSize;
2650 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2651 "sub{l}\t{$src2, $dst|$dst, $src2}",
2652 [(store (sub (load addr:$dst), i32immSExt8:$src2),
2654 (implicit EFLAGS)]>;
2656 def SUB8i8 : Ii8<0x2C, RawFrm, (outs), (ins i8imm:$src),
2657 "sub{b}\t{$src, %al|%al, $src}", []>;
2658 def SUB16i16 : Ii16<0x2D, RawFrm, (outs), (ins i16imm:$src),
2659 "sub{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2660 def SUB32i32 : Ii32<0x2D, RawFrm, (outs), (ins i32imm:$src),
2661 "sub{l}\t{$src, %eax|%eax, $src}", []>;
2664 let Uses = [EFLAGS] in {
2665 def SBB8rr : I<0x18, MRMDestReg, (outs GR8:$dst),
2666 (ins GR8:$src1, GR8:$src2),
2667 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2668 [(set GR8:$dst, (sube GR8:$src1, GR8:$src2))]>;
2669 def SBB16rr : I<0x19, MRMDestReg, (outs GR16:$dst),
2670 (ins GR16:$src1, GR16:$src2),
2671 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2672 [(set GR16:$dst, (sube GR16:$src1, GR16:$src2))]>, OpSize;
2673 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst),
2674 (ins GR32:$src1, GR32:$src2),
2675 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2676 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
2678 let isTwoAddress = 0 in {
2679 def SBB8mr : I<0x18, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2680 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2681 [(store (sube (load addr:$dst), GR8:$src2), addr:$dst)]>;
2682 def SBB16mr : I<0x19, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2683 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2684 [(store (sube (load addr:$dst), GR16:$src2), addr:$dst)]>,
2686 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2687 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2688 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
2689 def SBB8mi : Ii32<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
2690 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2691 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2692 def SBB16mi : Ii16<0x81, MRM3m, (outs), (ins i16mem:$dst, i16imm:$src2),
2693 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2694 [(store (sube (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2696 def SBB16mi8 : Ii8<0x83, MRM3m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2697 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2698 [(store (sube (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2700 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
2701 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2702 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2703 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2704 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2705 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2707 def SBB8i8 : Ii8<0x1C, RawFrm, (outs), (ins i8imm:$src),
2708 "sbb{b}\t{$src, %al|%al, $src}", []>;
2709 def SBB16i16 : Ii16<0x1D, RawFrm, (outs), (ins i16imm:$src),
2710 "sbb{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2711 def SBB32i32 : Ii32<0x1D, RawFrm, (outs), (ins i32imm:$src),
2712 "sbb{l}\t{$src, %eax|%eax, $src}", []>;
2714 def SBB8rm : I<0x1A, MRMSrcMem, (outs GR8:$dst), (ins GR8:$src1, i8mem:$src2),
2715 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2716 [(set GR8:$dst, (sube GR8:$src1, (load addr:$src2)))]>;
2717 def SBB16rm : I<0x1B, MRMSrcMem, (outs GR16:$dst),
2718 (ins GR16:$src1, i16mem:$src2),
2719 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2720 [(set GR16:$dst, (sube GR16:$src1, (load addr:$src2)))]>,
2722 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst),
2723 (ins GR32:$src1, i32mem:$src2),
2724 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2725 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
2726 def SBB8ri : Ii8<0x80, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2727 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2728 [(set GR8:$dst, (sube GR8:$src1, imm:$src2))]>;
2729 def SBB16ri : Ii16<0x81, MRM3r, (outs GR16:$dst),
2730 (ins GR16:$src1, i16imm:$src2),
2731 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2732 [(set GR16:$dst, (sube GR16:$src1, imm:$src2))]>, OpSize;
2733 def SBB16ri8 : Ii8<0x83, MRM3r, (outs GR16:$dst),
2734 (ins GR16:$src1, i16i8imm:$src2),
2735 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2736 [(set GR16:$dst, (sube GR16:$src1, i16immSExt8:$src2))]>,
2738 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst),
2739 (ins GR32:$src1, i32imm:$src2),
2740 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2741 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
2742 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst),
2743 (ins GR32:$src1, i32i8imm:$src2),
2744 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2745 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
2746 } // Uses = [EFLAGS]
2747 } // Defs = [EFLAGS]
2749 let Defs = [EFLAGS] in {
2750 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
2751 // Register-Register Signed Integer Multiply
2752 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2753 "imul{w}\t{$src2, $dst|$dst, $src2}",
2754 [(set GR16:$dst, (mul GR16:$src1, GR16:$src2)),
2755 (implicit EFLAGS)]>, TB, OpSize;
2756 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2757 "imul{l}\t{$src2, $dst|$dst, $src2}",
2758 [(set GR32:$dst, (mul GR32:$src1, GR32:$src2)),
2759 (implicit EFLAGS)]>, TB;
2762 // Register-Memory Signed Integer Multiply
2763 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
2764 (ins GR16:$src1, i16mem:$src2),
2765 "imul{w}\t{$src2, $dst|$dst, $src2}",
2766 [(set GR16:$dst, (mul GR16:$src1, (load addr:$src2))),
2767 (implicit EFLAGS)]>, TB, OpSize;
2768 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2769 "imul{l}\t{$src2, $dst|$dst, $src2}",
2770 [(set GR32:$dst, (mul GR32:$src1, (load addr:$src2))),
2771 (implicit EFLAGS)]>, TB;
2772 } // Defs = [EFLAGS]
2773 } // end Two Address instructions
2775 // Suprisingly enough, these are not two address instructions!
2776 let Defs = [EFLAGS] in {
2777 // Register-Integer Signed Integer Multiply
2778 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
2779 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2780 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2781 [(set GR16:$dst, (mul GR16:$src1, imm:$src2)),
2782 (implicit EFLAGS)]>, OpSize;
2783 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
2784 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2785 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2786 [(set GR32:$dst, (mul GR32:$src1, imm:$src2)),
2787 (implicit EFLAGS)]>;
2788 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
2789 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2790 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2791 [(set GR16:$dst, (mul GR16:$src1, i16immSExt8:$src2)),
2792 (implicit EFLAGS)]>, OpSize;
2793 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
2794 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2795 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2796 [(set GR32:$dst, (mul GR32:$src1, i32immSExt8:$src2)),
2797 (implicit EFLAGS)]>;
2799 // Memory-Integer Signed Integer Multiply
2800 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
2801 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
2802 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2803 [(set GR16:$dst, (mul (load addr:$src1), imm:$src2)),
2804 (implicit EFLAGS)]>, OpSize;
2805 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
2806 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
2807 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2808 [(set GR32:$dst, (mul (load addr:$src1), imm:$src2)),
2809 (implicit EFLAGS)]>;
2810 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
2811 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
2812 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2813 [(set GR16:$dst, (mul (load addr:$src1),
2814 i16immSExt8:$src2)),
2815 (implicit EFLAGS)]>, OpSize;
2816 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
2817 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
2818 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2819 [(set GR32:$dst, (mul (load addr:$src1),
2820 i32immSExt8:$src2)),
2821 (implicit EFLAGS)]>;
2822 } // Defs = [EFLAGS]
2824 //===----------------------------------------------------------------------===//
2825 // Test instructions are just like AND, except they don't generate a result.
2827 let Defs = [EFLAGS] in {
2828 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
2829 def TEST8rr : I<0x84, MRMDestReg, (outs), (ins GR8:$src1, GR8:$src2),
2830 "test{b}\t{$src2, $src1|$src1, $src2}",
2831 [(X86cmp (and_su GR8:$src1, GR8:$src2), 0),
2832 (implicit EFLAGS)]>;
2833 def TEST16rr : I<0x85, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2834 "test{w}\t{$src2, $src1|$src1, $src2}",
2835 [(X86cmp (and_su GR16:$src1, GR16:$src2), 0),
2836 (implicit EFLAGS)]>,
2838 def TEST32rr : I<0x85, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2839 "test{l}\t{$src2, $src1|$src1, $src2}",
2840 [(X86cmp (and_su GR32:$src1, GR32:$src2), 0),
2841 (implicit EFLAGS)]>;
2844 def TEST8i8 : Ii8<0xA8, RawFrm, (outs), (ins i8imm:$src),
2845 "test{b}\t{$src, %al|%al, $src}", []>;
2846 def TEST16i16 : Ii16<0xA9, RawFrm, (outs), (ins i16imm:$src),
2847 "test{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2848 def TEST32i32 : Ii32<0xA9, RawFrm, (outs), (ins i32imm:$src),
2849 "test{l}\t{$src, %eax|%eax, $src}", []>;
2851 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
2852 "test{b}\t{$src2, $src1|$src1, $src2}",
2853 [(X86cmp (and GR8:$src1, (loadi8 addr:$src2)), 0),
2854 (implicit EFLAGS)]>;
2855 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
2856 "test{w}\t{$src2, $src1|$src1, $src2}",
2857 [(X86cmp (and GR16:$src1, (loadi16 addr:$src2)), 0),
2858 (implicit EFLAGS)]>, OpSize;
2859 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
2860 "test{l}\t{$src2, $src1|$src1, $src2}",
2861 [(X86cmp (and GR32:$src1, (loadi32 addr:$src2)), 0),
2862 (implicit EFLAGS)]>;
2864 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
2865 (outs), (ins GR8:$src1, i8imm:$src2),
2866 "test{b}\t{$src2, $src1|$src1, $src2}",
2867 [(X86cmp (and_su GR8:$src1, imm:$src2), 0),
2868 (implicit EFLAGS)]>;
2869 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
2870 (outs), (ins GR16:$src1, i16imm:$src2),
2871 "test{w}\t{$src2, $src1|$src1, $src2}",
2872 [(X86cmp (and_su GR16:$src1, imm:$src2), 0),
2873 (implicit EFLAGS)]>, OpSize;
2874 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
2875 (outs), (ins GR32:$src1, i32imm:$src2),
2876 "test{l}\t{$src2, $src1|$src1, $src2}",
2877 [(X86cmp (and_su GR32:$src1, imm:$src2), 0),
2878 (implicit EFLAGS)]>;
2880 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
2881 (outs), (ins i8mem:$src1, i8imm:$src2),
2882 "test{b}\t{$src2, $src1|$src1, $src2}",
2883 [(X86cmp (and (loadi8 addr:$src1), imm:$src2), 0),
2884 (implicit EFLAGS)]>;
2885 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
2886 (outs), (ins i16mem:$src1, i16imm:$src2),
2887 "test{w}\t{$src2, $src1|$src1, $src2}",
2888 [(X86cmp (and (loadi16 addr:$src1), imm:$src2), 0),
2889 (implicit EFLAGS)]>, OpSize;
2890 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2891 (outs), (ins i32mem:$src1, i32imm:$src2),
2892 "test{l}\t{$src2, $src1|$src1, $src2}",
2893 [(X86cmp (and (loadi32 addr:$src1), imm:$src2), 0),
2894 (implicit EFLAGS)]>;
2895 } // Defs = [EFLAGS]
2898 // Condition code ops, incl. set if equal/not equal/...
2899 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
2900 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
2901 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
2902 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
2904 let Uses = [EFLAGS] in {
2905 def SETEr : I<0x94, MRM0r,
2906 (outs GR8 :$dst), (ins),
2908 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
2910 def SETEm : I<0x94, MRM0m,
2911 (outs), (ins i8mem:$dst),
2913 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
2916 def SETNEr : I<0x95, MRM0r,
2917 (outs GR8 :$dst), (ins),
2919 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
2921 def SETNEm : I<0x95, MRM0m,
2922 (outs), (ins i8mem:$dst),
2924 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
2927 def SETLr : I<0x9C, MRM0r,
2928 (outs GR8 :$dst), (ins),
2930 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
2931 TB; // GR8 = < signed
2932 def SETLm : I<0x9C, MRM0m,
2933 (outs), (ins i8mem:$dst),
2935 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
2936 TB; // [mem8] = < signed
2938 def SETGEr : I<0x9D, MRM0r,
2939 (outs GR8 :$dst), (ins),
2941 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
2942 TB; // GR8 = >= signed
2943 def SETGEm : I<0x9D, MRM0m,
2944 (outs), (ins i8mem:$dst),
2946 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
2947 TB; // [mem8] = >= signed
2949 def SETLEr : I<0x9E, MRM0r,
2950 (outs GR8 :$dst), (ins),
2952 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
2953 TB; // GR8 = <= signed
2954 def SETLEm : I<0x9E, MRM0m,
2955 (outs), (ins i8mem:$dst),
2957 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
2958 TB; // [mem8] = <= signed
2960 def SETGr : I<0x9F, MRM0r,
2961 (outs GR8 :$dst), (ins),
2963 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
2964 TB; // GR8 = > signed
2965 def SETGm : I<0x9F, MRM0m,
2966 (outs), (ins i8mem:$dst),
2968 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
2969 TB; // [mem8] = > signed
2971 def SETBr : I<0x92, MRM0r,
2972 (outs GR8 :$dst), (ins),
2974 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
2975 TB; // GR8 = < unsign
2976 def SETBm : I<0x92, MRM0m,
2977 (outs), (ins i8mem:$dst),
2979 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
2980 TB; // [mem8] = < unsign
2982 def SETAEr : I<0x93, MRM0r,
2983 (outs GR8 :$dst), (ins),
2985 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
2986 TB; // GR8 = >= unsign
2987 def SETAEm : I<0x93, MRM0m,
2988 (outs), (ins i8mem:$dst),
2990 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
2991 TB; // [mem8] = >= unsign
2993 def SETBEr : I<0x96, MRM0r,
2994 (outs GR8 :$dst), (ins),
2996 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
2997 TB; // GR8 = <= unsign
2998 def SETBEm : I<0x96, MRM0m,
2999 (outs), (ins i8mem:$dst),
3001 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
3002 TB; // [mem8] = <= unsign
3004 def SETAr : I<0x97, MRM0r,
3005 (outs GR8 :$dst), (ins),
3007 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
3008 TB; // GR8 = > signed
3009 def SETAm : I<0x97, MRM0m,
3010 (outs), (ins i8mem:$dst),
3012 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
3013 TB; // [mem8] = > signed
3015 def SETSr : I<0x98, MRM0r,
3016 (outs GR8 :$dst), (ins),
3018 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
3019 TB; // GR8 = <sign bit>
3020 def SETSm : I<0x98, MRM0m,
3021 (outs), (ins i8mem:$dst),
3023 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
3024 TB; // [mem8] = <sign bit>
3025 def SETNSr : I<0x99, MRM0r,
3026 (outs GR8 :$dst), (ins),
3028 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
3029 TB; // GR8 = !<sign bit>
3030 def SETNSm : I<0x99, MRM0m,
3031 (outs), (ins i8mem:$dst),
3033 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
3034 TB; // [mem8] = !<sign bit>
3036 def SETPr : I<0x9A, MRM0r,
3037 (outs GR8 :$dst), (ins),
3039 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
3041 def SETPm : I<0x9A, MRM0m,
3042 (outs), (ins i8mem:$dst),
3044 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
3045 TB; // [mem8] = parity
3046 def SETNPr : I<0x9B, MRM0r,
3047 (outs GR8 :$dst), (ins),
3049 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
3050 TB; // GR8 = not parity
3051 def SETNPm : I<0x9B, MRM0m,
3052 (outs), (ins i8mem:$dst),
3054 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
3055 TB; // [mem8] = not parity
3057 def SETOr : I<0x90, MRM0r,
3058 (outs GR8 :$dst), (ins),
3060 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
3061 TB; // GR8 = overflow
3062 def SETOm : I<0x90, MRM0m,
3063 (outs), (ins i8mem:$dst),
3065 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
3066 TB; // [mem8] = overflow
3067 def SETNOr : I<0x91, MRM0r,
3068 (outs GR8 :$dst), (ins),
3070 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
3071 TB; // GR8 = not overflow
3072 def SETNOm : I<0x91, MRM0m,
3073 (outs), (ins i8mem:$dst),
3075 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
3076 TB; // [mem8] = not overflow
3077 } // Uses = [EFLAGS]
3080 // Integer comparisons
3081 let Defs = [EFLAGS] in {
3082 def CMP8i8 : Ii8<0x3C, RawFrm, (outs), (ins i8imm:$src),
3083 "cmp{b}\t{$src, %al|%al, $src}", []>;
3084 def CMP16i16 : Ii16<0x3D, RawFrm, (outs), (ins i16imm:$src),
3085 "cmp{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3086 def CMP32i32 : Ii32<0x3D, RawFrm, (outs), (ins i32imm:$src),
3087 "cmp{l}\t{$src, %eax|%eax, $src}", []>;
3089 def CMP8rr : I<0x38, MRMDestReg,
3090 (outs), (ins GR8 :$src1, GR8 :$src2),
3091 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3092 [(X86cmp GR8:$src1, GR8:$src2), (implicit EFLAGS)]>;
3093 def CMP16rr : I<0x39, MRMDestReg,
3094 (outs), (ins GR16:$src1, GR16:$src2),
3095 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3096 [(X86cmp GR16:$src1, GR16:$src2), (implicit EFLAGS)]>, OpSize;
3097 def CMP32rr : I<0x39, MRMDestReg,
3098 (outs), (ins GR32:$src1, GR32:$src2),
3099 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3100 [(X86cmp GR32:$src1, GR32:$src2), (implicit EFLAGS)]>;
3101 def CMP8mr : I<0x38, MRMDestMem,
3102 (outs), (ins i8mem :$src1, GR8 :$src2),
3103 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3104 [(X86cmp (loadi8 addr:$src1), GR8:$src2),
3105 (implicit EFLAGS)]>;
3106 def CMP16mr : I<0x39, MRMDestMem,
3107 (outs), (ins i16mem:$src1, GR16:$src2),
3108 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3109 [(X86cmp (loadi16 addr:$src1), GR16:$src2),
3110 (implicit EFLAGS)]>, OpSize;
3111 def CMP32mr : I<0x39, MRMDestMem,
3112 (outs), (ins i32mem:$src1, GR32:$src2),
3113 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3114 [(X86cmp (loadi32 addr:$src1), GR32:$src2),
3115 (implicit EFLAGS)]>;
3116 def CMP8rm : I<0x3A, MRMSrcMem,
3117 (outs), (ins GR8 :$src1, i8mem :$src2),
3118 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3119 [(X86cmp GR8:$src1, (loadi8 addr:$src2)),
3120 (implicit EFLAGS)]>;
3121 def CMP16rm : I<0x3B, MRMSrcMem,
3122 (outs), (ins GR16:$src1, i16mem:$src2),
3123 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3124 [(X86cmp GR16:$src1, (loadi16 addr:$src2)),
3125 (implicit EFLAGS)]>, OpSize;
3126 def CMP32rm : I<0x3B, MRMSrcMem,
3127 (outs), (ins GR32:$src1, i32mem:$src2),
3128 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3129 [(X86cmp GR32:$src1, (loadi32 addr:$src2)),
3130 (implicit EFLAGS)]>;
3131 def CMP8ri : Ii8<0x80, MRM7r,
3132 (outs), (ins GR8:$src1, i8imm:$src2),
3133 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3134 [(X86cmp GR8:$src1, imm:$src2), (implicit EFLAGS)]>;
3135 def CMP16ri : Ii16<0x81, MRM7r,
3136 (outs), (ins GR16:$src1, i16imm:$src2),
3137 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3138 [(X86cmp GR16:$src1, imm:$src2),
3139 (implicit EFLAGS)]>, OpSize;
3140 def CMP32ri : Ii32<0x81, MRM7r,
3141 (outs), (ins GR32:$src1, i32imm:$src2),
3142 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3143 [(X86cmp GR32:$src1, imm:$src2), (implicit EFLAGS)]>;
3144 def CMP8mi : Ii8 <0x80, MRM7m,
3145 (outs), (ins i8mem :$src1, i8imm :$src2),
3146 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3147 [(X86cmp (loadi8 addr:$src1), imm:$src2),
3148 (implicit EFLAGS)]>;
3149 def CMP16mi : Ii16<0x81, MRM7m,
3150 (outs), (ins i16mem:$src1, i16imm:$src2),
3151 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3152 [(X86cmp (loadi16 addr:$src1), imm:$src2),
3153 (implicit EFLAGS)]>, OpSize;
3154 def CMP32mi : Ii32<0x81, MRM7m,
3155 (outs), (ins i32mem:$src1, i32imm:$src2),
3156 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3157 [(X86cmp (loadi32 addr:$src1), imm:$src2),
3158 (implicit EFLAGS)]>;
3159 def CMP16ri8 : Ii8<0x83, MRM7r,
3160 (outs), (ins GR16:$src1, i16i8imm:$src2),
3161 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3162 [(X86cmp GR16:$src1, i16immSExt8:$src2),
3163 (implicit EFLAGS)]>, OpSize;
3164 def CMP16mi8 : Ii8<0x83, MRM7m,
3165 (outs), (ins i16mem:$src1, i16i8imm:$src2),
3166 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3167 [(X86cmp (loadi16 addr:$src1), i16immSExt8:$src2),
3168 (implicit EFLAGS)]>, OpSize;
3169 def CMP32mi8 : Ii8<0x83, MRM7m,
3170 (outs), (ins i32mem:$src1, i32i8imm:$src2),
3171 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3172 [(X86cmp (loadi32 addr:$src1), i32immSExt8:$src2),
3173 (implicit EFLAGS)]>;
3174 def CMP32ri8 : Ii8<0x83, MRM7r,
3175 (outs), (ins GR32:$src1, i32i8imm:$src2),
3176 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3177 [(X86cmp GR32:$src1, i32immSExt8:$src2),
3178 (implicit EFLAGS)]>;
3179 } // Defs = [EFLAGS]
3182 // TODO: BTC, BTR, and BTS
3183 let Defs = [EFLAGS] in {
3184 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3185 "bt{w}\t{$src2, $src1|$src1, $src2}",
3186 [(X86bt GR16:$src1, GR16:$src2),
3187 (implicit EFLAGS)]>, OpSize, TB;
3188 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3189 "bt{l}\t{$src2, $src1|$src1, $src2}",
3190 [(X86bt GR32:$src1, GR32:$src2),
3191 (implicit EFLAGS)]>, TB;
3193 // Unlike with the register+register form, the memory+register form of the
3194 // bt instruction does not ignore the high bits of the index. From ISel's
3195 // perspective, this is pretty bizarre. Disable these instructions for now.
3196 //def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3197 // "bt{w}\t{$src2, $src1|$src1, $src2}",
3198 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
3199 // (implicit EFLAGS)]>, OpSize, TB, Requires<[FastBTMem]>;
3200 //def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3201 // "bt{l}\t{$src2, $src1|$src1, $src2}",
3202 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
3203 // (implicit EFLAGS)]>, TB, Requires<[FastBTMem]>;
3205 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3206 "bt{w}\t{$src2, $src1|$src1, $src2}",
3207 [(X86bt GR16:$src1, i16immSExt8:$src2),
3208 (implicit EFLAGS)]>, OpSize, TB;
3209 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3210 "bt{l}\t{$src2, $src1|$src1, $src2}",
3211 [(X86bt GR32:$src1, i32immSExt8:$src2),
3212 (implicit EFLAGS)]>, TB;
3213 // Note that these instructions don't need FastBTMem because that
3214 // only applies when the other operand is in a register. When it's
3215 // an immediate, bt is still fast.
3216 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3217 "bt{w}\t{$src2, $src1|$src1, $src2}",
3218 [(X86bt (loadi16 addr:$src1), i16immSExt8:$src2),
3219 (implicit EFLAGS)]>, OpSize, TB;
3220 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3221 "bt{l}\t{$src2, $src1|$src1, $src2}",
3222 [(X86bt (loadi32 addr:$src1), i32immSExt8:$src2),
3223 (implicit EFLAGS)]>, TB;
3224 } // Defs = [EFLAGS]
3226 // Sign/Zero extenders
3227 // Use movsbl intead of movsbw; we don't care about the high 16 bits
3228 // of the register here. This has a smaller encoding and avoids a
3229 // partial-register update.
3230 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3231 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3232 [(set GR16:$dst, (sext GR8:$src))]>, TB;
3233 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3234 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3235 [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
3236 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3237 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3238 [(set GR32:$dst, (sext GR8:$src))]>, TB;
3239 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3240 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3241 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
3242 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3243 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3244 [(set GR32:$dst, (sext GR16:$src))]>, TB;
3245 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3246 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3247 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
3249 // Use movzbl intead of movzbw; we don't care about the high 16 bits
3250 // of the register here. This has a smaller encoding and avoids a
3251 // partial-register update.
3252 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3253 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3254 [(set GR16:$dst, (zext GR8:$src))]>, TB;
3255 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3256 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3257 [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
3258 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3259 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3260 [(set GR32:$dst, (zext GR8:$src))]>, TB;
3261 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3262 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3263 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
3264 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3265 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3266 [(set GR32:$dst, (zext GR16:$src))]>, TB;
3267 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3268 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3269 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
3271 // These are the same as the regular regular MOVZX32rr8 and MOVZX32rm8
3272 // except that they use GR32_NOREX for the output operand register class
3273 // instead of GR32. This allows them to operate on h registers on x86-64.
3274 def MOVZX32_NOREXrr8 : I<0xB6, MRMSrcReg,
3275 (outs GR32_NOREX:$dst), (ins GR8:$src),
3276 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3279 def MOVZX32_NOREXrm8 : I<0xB6, MRMSrcMem,
3280 (outs GR32_NOREX:$dst), (ins i8mem:$src),
3281 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3284 let neverHasSideEffects = 1 in {
3285 let Defs = [AX], Uses = [AL] in
3286 def CBW : I<0x98, RawFrm, (outs), (ins),
3287 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
3288 let Defs = [EAX], Uses = [AX] in
3289 def CWDE : I<0x98, RawFrm, (outs), (ins),
3290 "{cwtl|cwde}", []>; // EAX = signext(AX)
3292 let Defs = [AX,DX], Uses = [AX] in
3293 def CWD : I<0x99, RawFrm, (outs), (ins),
3294 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
3295 let Defs = [EAX,EDX], Uses = [EAX] in
3296 def CDQ : I<0x99, RawFrm, (outs), (ins),
3297 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
3300 //===----------------------------------------------------------------------===//
3301 // Alias Instructions
3302 //===----------------------------------------------------------------------===//
3304 // Alias instructions that map movr0 to xor.
3305 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
3306 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1,
3307 isCodeGenOnly = 1 in {
3308 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins),
3309 "xor{b}\t$dst, $dst",
3310 [(set GR8:$dst, 0)]>;
3311 // Use xorl instead of xorw since we don't care about the high 16 bits,
3312 // it's smaller, and it avoids a partial-register update.
3313 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
3314 "xor{l}\t${dst:subreg32}, ${dst:subreg32}",
3315 [(set GR16:$dst, 0)]>;
3316 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins),
3317 "xor{l}\t$dst, $dst",
3318 [(set GR32:$dst, 0)]>;
3321 //===----------------------------------------------------------------------===//
3322 // Thread Local Storage Instructions
3325 // All calls clobber the non-callee saved registers. ESP is marked as
3326 // a use to prevent stack-pointer assignments that appear immediately
3327 // before calls from potentially appearing dead.
3328 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
3329 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
3330 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
3331 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
3333 def TLS_addr32 : I<0, Pseudo, (outs), (ins lea32mem:$sym),
3334 "leal\t$sym, %eax; "
3335 "call\t___tls_get_addr@PLT",
3336 [(X86tlsaddr tls32addr:$sym)]>,
3337 Requires<[In32BitMode]>;
3339 let AddedComplexity = 5, isCodeGenOnly = 1 in
3340 def GS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3341 "movl\t%gs:$src, $dst",
3342 [(set GR32:$dst, (gsload addr:$src))]>, SegGS;
3344 let AddedComplexity = 5, isCodeGenOnly = 1 in
3345 def FS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3346 "movl\t%fs:$src, $dst",
3347 [(set GR32:$dst, (fsload addr:$src))]>, SegFS;
3349 //===----------------------------------------------------------------------===//
3350 // DWARF Pseudo Instructions
3353 def DWARF_LOC : I<0, Pseudo, (outs),
3354 (ins i32imm:$line, i32imm:$col, i32imm:$file),
3355 ".loc\t$file $line $col",
3356 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
3359 //===----------------------------------------------------------------------===//
3360 // EH Pseudo Instructions
3362 let isTerminator = 1, isReturn = 1, isBarrier = 1,
3363 hasCtrlDep = 1, isCodeGenOnly = 1 in {
3364 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
3365 "ret\t#eh_return, addr: $addr",
3366 [(X86ehret GR32:$addr)]>;
3370 //===----------------------------------------------------------------------===//
3374 // Atomic swap. These are just normal xchg instructions. But since a memory
3375 // operand is referenced, the atomicity is ensured.
3376 let Constraints = "$val = $dst" in {
3377 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3378 "xchg{l}\t{$val, $ptr|$ptr, $val}",
3379 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
3380 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3381 "xchg{w}\t{$val, $ptr|$ptr, $val}",
3382 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
3384 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
3385 "xchg{b}\t{$val, $ptr|$ptr, $val}",
3386 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
3389 // Atomic compare and swap.
3390 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
3391 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
3393 "cmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
3394 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
3396 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
3397 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i32mem:$ptr),
3400 [(X86cas8 addr:$ptr)]>, TB, LOCK;
3403 let Defs = [AX, EFLAGS], Uses = [AX] in {
3404 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
3406 "cmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
3407 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
3409 let Defs = [AL, EFLAGS], Uses = [AL] in {
3410 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
3412 "cmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
3413 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
3416 // Atomic exchange and add
3417 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
3418 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3420 "xadd{l}\t{$val, $ptr|$ptr, $val}",
3421 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
3423 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3425 "xadd{w}\t{$val, $ptr|$ptr, $val}",
3426 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
3428 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
3430 "xadd{b}\t{$val, $ptr|$ptr, $val}",
3431 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
3435 // Optimized codegen when the non-memory output is not used.
3436 // FIXME: Use normal add / sub instructions and add lock prefix dynamically.
3437 def LOCK_ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
3439 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3440 def LOCK_ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3442 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3443 def LOCK_ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3445 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3446 def LOCK_ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
3448 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3449 def LOCK_ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
3451 "add{w}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3452 def LOCK_ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
3454 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3455 def LOCK_ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3457 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3458 def LOCK_ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3460 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3462 def LOCK_INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst),
3464 "inc{b}\t$dst", []>, LOCK;
3465 def LOCK_INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst),
3467 "inc{w}\t$dst", []>, OpSize, LOCK;
3468 def LOCK_INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst),
3470 "inc{l}\t$dst", []>, LOCK;
3472 def LOCK_SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
3474 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3475 def LOCK_SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3477 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3478 def LOCK_SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3480 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3481 def LOCK_SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
3483 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3484 def LOCK_SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
3486 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3487 def LOCK_SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
3489 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3490 def LOCK_SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3492 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3493 def LOCK_SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3495 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3497 def LOCK_DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst),
3499 "dec{b}\t$dst", []>, LOCK;
3500 def LOCK_DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst),
3502 "dec{w}\t$dst", []>, OpSize, LOCK;
3503 def LOCK_DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst),
3505 "dec{l}\t$dst", []>, LOCK;
3507 // Atomic exchange, and, or, xor
3508 let Constraints = "$val = $dst", Defs = [EFLAGS],
3509 usesCustomDAGSchedInserter = 1 in {
3510 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3511 "#ATOMAND32 PSEUDO!",
3512 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
3513 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3514 "#ATOMOR32 PSEUDO!",
3515 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
3516 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3517 "#ATOMXOR32 PSEUDO!",
3518 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
3519 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3520 "#ATOMNAND32 PSEUDO!",
3521 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
3522 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3523 "#ATOMMIN32 PSEUDO!",
3524 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
3525 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3526 "#ATOMMAX32 PSEUDO!",
3527 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
3528 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3529 "#ATOMUMIN32 PSEUDO!",
3530 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
3531 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3532 "#ATOMUMAX32 PSEUDO!",
3533 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
3535 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3536 "#ATOMAND16 PSEUDO!",
3537 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
3538 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3539 "#ATOMOR16 PSEUDO!",
3540 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
3541 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3542 "#ATOMXOR16 PSEUDO!",
3543 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
3544 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3545 "#ATOMNAND16 PSEUDO!",
3546 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
3547 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3548 "#ATOMMIN16 PSEUDO!",
3549 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
3550 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3551 "#ATOMMAX16 PSEUDO!",
3552 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
3553 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3554 "#ATOMUMIN16 PSEUDO!",
3555 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
3556 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3557 "#ATOMUMAX16 PSEUDO!",
3558 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
3560 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3561 "#ATOMAND8 PSEUDO!",
3562 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
3563 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3565 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
3566 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3567 "#ATOMXOR8 PSEUDO!",
3568 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
3569 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3570 "#ATOMNAND8 PSEUDO!",
3571 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
3574 let Constraints = "$val1 = $dst1, $val2 = $dst2",
3575 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
3576 Uses = [EAX, EBX, ECX, EDX],
3577 mayLoad = 1, mayStore = 1,
3578 usesCustomDAGSchedInserter = 1 in {
3579 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3580 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3581 "#ATOMAND6432 PSEUDO!", []>;
3582 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3583 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3584 "#ATOMOR6432 PSEUDO!", []>;
3585 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3586 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3587 "#ATOMXOR6432 PSEUDO!", []>;
3588 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3589 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3590 "#ATOMNAND6432 PSEUDO!", []>;
3591 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3592 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3593 "#ATOMADD6432 PSEUDO!", []>;
3594 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3595 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3596 "#ATOMSUB6432 PSEUDO!", []>;
3597 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3598 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3599 "#ATOMSWAP6432 PSEUDO!", []>;
3602 //===----------------------------------------------------------------------===//
3603 // Non-Instruction Patterns
3604 //===----------------------------------------------------------------------===//
3606 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
3607 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
3608 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
3609 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
3610 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
3611 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
3613 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
3614 (ADD32ri GR32:$src1, tconstpool:$src2)>;
3615 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
3616 (ADD32ri GR32:$src1, tjumptable:$src2)>;
3617 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
3618 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
3619 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
3620 (ADD32ri GR32:$src1, texternalsym:$src2)>;
3622 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
3623 (MOV32mi addr:$dst, tglobaladdr:$src)>;
3624 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
3625 (MOV32mi addr:$dst, texternalsym:$src)>;
3629 def : Pat<(X86tcret GR32:$dst, imm:$off),
3630 (TCRETURNri GR32:$dst, imm:$off)>;
3632 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
3633 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3635 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
3636 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3638 // Normal calls, with various flavors of addresses.
3639 def : Pat<(X86call (i32 tglobaladdr:$dst)),
3640 (CALLpcrel32 tglobaladdr:$dst)>;
3641 def : Pat<(X86call (i32 texternalsym:$dst)),
3642 (CALLpcrel32 texternalsym:$dst)>;
3643 def : Pat<(X86call (i32 imm:$dst)),
3644 (CALLpcrel32 imm:$dst)>, Requires<[CallImmAddr]>;
3646 // X86 specific add which produces a flag.
3647 def : Pat<(addc GR32:$src1, GR32:$src2),
3648 (ADD32rr GR32:$src1, GR32:$src2)>;
3649 def : Pat<(addc GR32:$src1, (load addr:$src2)),
3650 (ADD32rm GR32:$src1, addr:$src2)>;
3651 def : Pat<(addc GR32:$src1, imm:$src2),
3652 (ADD32ri GR32:$src1, imm:$src2)>;
3653 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
3654 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
3656 def : Pat<(subc GR32:$src1, GR32:$src2),
3657 (SUB32rr GR32:$src1, GR32:$src2)>;
3658 def : Pat<(subc GR32:$src1, (load addr:$src2)),
3659 (SUB32rm GR32:$src1, addr:$src2)>;
3660 def : Pat<(subc GR32:$src1, imm:$src2),
3661 (SUB32ri GR32:$src1, imm:$src2)>;
3662 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
3663 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
3667 // TEST R,R is smaller than CMP R,0
3668 def : Pat<(parallel (X86cmp GR8:$src1, 0), (implicit EFLAGS)),
3669 (TEST8rr GR8:$src1, GR8:$src1)>;
3670 def : Pat<(parallel (X86cmp GR16:$src1, 0), (implicit EFLAGS)),
3671 (TEST16rr GR16:$src1, GR16:$src1)>;
3672 def : Pat<(parallel (X86cmp GR32:$src1, 0), (implicit EFLAGS)),
3673 (TEST32rr GR32:$src1, GR32:$src1)>;
3675 // Conditional moves with folded loads with operands swapped and conditions
3677 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_B, EFLAGS),
3678 (CMOVAE16rm GR16:$src2, addr:$src1)>;
3679 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_B, EFLAGS),
3680 (CMOVAE32rm GR32:$src2, addr:$src1)>;
3681 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_AE, EFLAGS),
3682 (CMOVB16rm GR16:$src2, addr:$src1)>;
3683 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_AE, EFLAGS),
3684 (CMOVB32rm GR32:$src2, addr:$src1)>;
3685 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_E, EFLAGS),
3686 (CMOVNE16rm GR16:$src2, addr:$src1)>;
3687 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_E, EFLAGS),
3688 (CMOVNE32rm GR32:$src2, addr:$src1)>;
3689 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NE, EFLAGS),
3690 (CMOVE16rm GR16:$src2, addr:$src1)>;
3691 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NE, EFLAGS),
3692 (CMOVE32rm GR32:$src2, addr:$src1)>;
3693 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_BE, EFLAGS),
3694 (CMOVA16rm GR16:$src2, addr:$src1)>;
3695 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_BE, EFLAGS),
3696 (CMOVA32rm GR32:$src2, addr:$src1)>;
3697 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_A, EFLAGS),
3698 (CMOVBE16rm GR16:$src2, addr:$src1)>;
3699 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_A, EFLAGS),
3700 (CMOVBE32rm GR32:$src2, addr:$src1)>;
3701 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_L, EFLAGS),
3702 (CMOVGE16rm GR16:$src2, addr:$src1)>;
3703 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_L, EFLAGS),
3704 (CMOVGE32rm GR32:$src2, addr:$src1)>;
3705 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_GE, EFLAGS),
3706 (CMOVL16rm GR16:$src2, addr:$src1)>;
3707 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_GE, EFLAGS),
3708 (CMOVL32rm GR32:$src2, addr:$src1)>;
3709 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_LE, EFLAGS),
3710 (CMOVG16rm GR16:$src2, addr:$src1)>;
3711 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_LE, EFLAGS),
3712 (CMOVG32rm GR32:$src2, addr:$src1)>;
3713 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_G, EFLAGS),
3714 (CMOVLE16rm GR16:$src2, addr:$src1)>;
3715 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_G, EFLAGS),
3716 (CMOVLE32rm GR32:$src2, addr:$src1)>;
3717 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_P, EFLAGS),
3718 (CMOVNP16rm GR16:$src2, addr:$src1)>;
3719 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_P, EFLAGS),
3720 (CMOVNP32rm GR32:$src2, addr:$src1)>;
3721 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NP, EFLAGS),
3722 (CMOVP16rm GR16:$src2, addr:$src1)>;
3723 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NP, EFLAGS),
3724 (CMOVP32rm GR32:$src2, addr:$src1)>;
3725 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_S, EFLAGS),
3726 (CMOVNS16rm GR16:$src2, addr:$src1)>;
3727 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_S, EFLAGS),
3728 (CMOVNS32rm GR32:$src2, addr:$src1)>;
3729 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NS, EFLAGS),
3730 (CMOVS16rm GR16:$src2, addr:$src1)>;
3731 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NS, EFLAGS),
3732 (CMOVS32rm GR32:$src2, addr:$src1)>;
3733 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_O, EFLAGS),
3734 (CMOVNO16rm GR16:$src2, addr:$src1)>;
3735 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_O, EFLAGS),
3736 (CMOVNO32rm GR32:$src2, addr:$src1)>;
3737 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NO, EFLAGS),
3738 (CMOVO16rm GR16:$src2, addr:$src1)>;
3739 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NO, EFLAGS),
3740 (CMOVO32rm GR32:$src2, addr:$src1)>;
3742 // zextload bool -> zextload byte
3743 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3744 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
3745 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3747 // extload bool -> extload byte
3748 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3749 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
3750 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3751 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>;
3752 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
3753 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
3755 // anyext. Define these to do an explicit zero-extend to
3756 // avoid partial-register updates.
3757 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>;
3758 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>;
3759 def : Pat<(i32 (anyext GR16:$src)), (MOVZX32rr16 GR16:$src)>;
3761 // (and (i32 load), 255) -> (zextload i8)
3762 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 255))),
3763 (MOVZX32rm8 addr:$src)>;
3764 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 65535))),
3765 (MOVZX32rm16 addr:$src)>;
3767 //===----------------------------------------------------------------------===//
3769 //===----------------------------------------------------------------------===//
3771 // Odd encoding trick: -128 fits into an 8-bit immediate field while
3772 // +128 doesn't, so in this special case use a sub instead of an add.
3773 def : Pat<(add GR16:$src1, 128),
3774 (SUB16ri8 GR16:$src1, -128)>;
3775 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
3776 (SUB16mi8 addr:$dst, -128)>;
3777 def : Pat<(add GR32:$src1, 128),
3778 (SUB32ri8 GR32:$src1, -128)>;
3779 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
3780 (SUB32mi8 addr:$dst, -128)>;
3782 // r & (2^16-1) ==> movz
3783 def : Pat<(and GR32:$src1, 0xffff),
3784 (MOVZX32rr16 (EXTRACT_SUBREG GR32:$src1, x86_subreg_16bit))>;
3785 // r & (2^8-1) ==> movz
3786 def : Pat<(and GR32:$src1, 0xff),
3787 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src1, GR32_ABCD),
3789 Requires<[In32BitMode]>;
3790 // r & (2^8-1) ==> movz
3791 def : Pat<(and GR16:$src1, 0xff),
3792 (MOVZX16rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src1, GR16_ABCD),
3794 Requires<[In32BitMode]>;
3796 // sext_inreg patterns
3797 def : Pat<(sext_inreg GR32:$src, i16),
3798 (MOVSX32rr16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
3799 def : Pat<(sext_inreg GR32:$src, i8),
3800 (MOVSX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3802 Requires<[In32BitMode]>;
3803 def : Pat<(sext_inreg GR16:$src, i8),
3804 (MOVSX16rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3806 Requires<[In32BitMode]>;
3809 def : Pat<(i16 (trunc GR32:$src)),
3810 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit)>;
3811 def : Pat<(i8 (trunc GR32:$src)),
3812 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3814 Requires<[In32BitMode]>;
3815 def : Pat<(i8 (trunc GR16:$src)),
3816 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3818 Requires<[In32BitMode]>;
3820 // h-register tricks
3821 def : Pat<(i8 (trunc (srl_su GR16:$src, (i8 8)))),
3822 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3823 x86_subreg_8bit_hi)>,
3824 Requires<[In32BitMode]>;
3825 def : Pat<(i8 (trunc (srl_su GR32:$src, (i8 8)))),
3826 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3827 x86_subreg_8bit_hi)>,
3828 Requires<[In32BitMode]>;
3829 def : Pat<(srl_su GR16:$src, (i8 8)),
3832 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3833 x86_subreg_8bit_hi)),
3835 Requires<[In32BitMode]>;
3836 def : Pat<(i32 (zext (srl_su GR16:$src, (i8 8)))),
3837 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3838 x86_subreg_8bit_hi))>,
3839 Requires<[In32BitMode]>;
3840 def : Pat<(i32 (anyext (srl_su GR16:$src, (i8 8)))),
3841 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3842 x86_subreg_8bit_hi))>,
3843 Requires<[In32BitMode]>;
3844 def : Pat<(and (srl_su GR32:$src, (i8 8)), (i32 255)),
3845 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3846 x86_subreg_8bit_hi))>,
3847 Requires<[In32BitMode]>;
3849 // (shl x, 1) ==> (add x, x)
3850 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
3851 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
3852 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
3854 // (shl x (and y, 31)) ==> (shl x, y)
3855 def : Pat<(shl GR8:$src1, (and CL:$amt, 31)),
3856 (SHL8rCL GR8:$src1)>;
3857 def : Pat<(shl GR16:$src1, (and CL:$amt, 31)),
3858 (SHL16rCL GR16:$src1)>;
3859 def : Pat<(shl GR32:$src1, (and CL:$amt, 31)),
3860 (SHL32rCL GR32:$src1)>;
3861 def : Pat<(store (shl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3862 (SHL8mCL addr:$dst)>;
3863 def : Pat<(store (shl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3864 (SHL16mCL addr:$dst)>;
3865 def : Pat<(store (shl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3866 (SHL32mCL addr:$dst)>;
3868 def : Pat<(srl GR8:$src1, (and CL:$amt, 31)),
3869 (SHR8rCL GR8:$src1)>;
3870 def : Pat<(srl GR16:$src1, (and CL:$amt, 31)),
3871 (SHR16rCL GR16:$src1)>;
3872 def : Pat<(srl GR32:$src1, (and CL:$amt, 31)),
3873 (SHR32rCL GR32:$src1)>;
3874 def : Pat<(store (srl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3875 (SHR8mCL addr:$dst)>;
3876 def : Pat<(store (srl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3877 (SHR16mCL addr:$dst)>;
3878 def : Pat<(store (srl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3879 (SHR32mCL addr:$dst)>;
3881 def : Pat<(sra GR8:$src1, (and CL:$amt, 31)),
3882 (SAR8rCL GR8:$src1)>;
3883 def : Pat<(sra GR16:$src1, (and CL:$amt, 31)),
3884 (SAR16rCL GR16:$src1)>;
3885 def : Pat<(sra GR32:$src1, (and CL:$amt, 31)),
3886 (SAR32rCL GR32:$src1)>;
3887 def : Pat<(store (sra (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3888 (SAR8mCL addr:$dst)>;
3889 def : Pat<(store (sra (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3890 (SAR16mCL addr:$dst)>;
3891 def : Pat<(store (sra (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3892 (SAR32mCL addr:$dst)>;
3894 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
3895 def : Pat<(or (srl GR32:$src1, CL:$amt),
3896 (shl GR32:$src2, (sub 32, CL:$amt))),
3897 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3899 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
3900 (shl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3901 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3903 def : Pat<(or (srl GR32:$src1, (i8 (trunc ECX:$amt))),
3904 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3905 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3907 def : Pat<(store (or (srl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3908 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3910 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3912 def : Pat<(shrd GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3913 (SHRD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3915 def : Pat<(store (shrd (loadi32 addr:$dst), (i8 imm:$amt1),
3916 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3917 (SHRD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3919 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
3920 def : Pat<(or (shl GR32:$src1, CL:$amt),
3921 (srl GR32:$src2, (sub 32, CL:$amt))),
3922 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3924 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
3925 (srl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3926 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3928 def : Pat<(or (shl GR32:$src1, (i8 (trunc ECX:$amt))),
3929 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3930 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3932 def : Pat<(store (or (shl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3933 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3935 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3937 def : Pat<(shld GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3938 (SHLD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3940 def : Pat<(store (shld (loadi32 addr:$dst), (i8 imm:$amt1),
3941 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3942 (SHLD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3944 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
3945 def : Pat<(or (srl GR16:$src1, CL:$amt),
3946 (shl GR16:$src2, (sub 16, CL:$amt))),
3947 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3949 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
3950 (shl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3951 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3953 def : Pat<(or (srl GR16:$src1, (i8 (trunc CX:$amt))),
3954 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3955 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3957 def : Pat<(store (or (srl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3958 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3960 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3962 def : Pat<(shrd GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3963 (SHRD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3965 def : Pat<(store (shrd (loadi16 addr:$dst), (i8 imm:$amt1),
3966 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
3967 (SHRD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
3969 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
3970 def : Pat<(or (shl GR16:$src1, CL:$amt),
3971 (srl GR16:$src2, (sub 16, CL:$amt))),
3972 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
3974 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
3975 (srl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3976 (SHLD16mrCL addr:$dst, GR16:$src2)>;
3978 def : Pat<(or (shl GR16:$src1, (i8 (trunc CX:$amt))),
3979 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3980 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
3982 def : Pat<(store (or (shl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3983 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3985 (SHLD16mrCL addr:$dst, GR16:$src2)>;
3987 def : Pat<(shld GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3988 (SHLD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3990 def : Pat<(store (shld (loadi16 addr:$dst), (i8 imm:$amt1),
3991 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
3992 (SHLD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
3994 //===----------------------------------------------------------------------===//
3995 // EFLAGS-defining Patterns
3996 //===----------------------------------------------------------------------===//
3998 // Register-Register Addition with EFLAGS result
3999 def : Pat<(parallel (X86add_flag GR8:$src1, GR8:$src2),
4001 (ADD8rr GR8:$src1, GR8:$src2)>;
4002 def : Pat<(parallel (X86add_flag GR16:$src1, GR16:$src2),
4004 (ADD16rr GR16:$src1, GR16:$src2)>;
4005 def : Pat<(parallel (X86add_flag GR32:$src1, GR32:$src2),
4007 (ADD32rr GR32:$src1, GR32:$src2)>;
4009 // Register-Memory Addition with EFLAGS result
4010 def : Pat<(parallel (X86add_flag GR8:$src1, (loadi8 addr:$src2)),
4012 (ADD8rm GR8:$src1, addr:$src2)>;
4013 def : Pat<(parallel (X86add_flag GR16:$src1, (loadi16 addr:$src2)),
4015 (ADD16rm GR16:$src1, addr:$src2)>;
4016 def : Pat<(parallel (X86add_flag GR32:$src1, (loadi32 addr:$src2)),
4018 (ADD32rm GR32:$src1, addr:$src2)>;
4020 // Register-Integer Addition with EFLAGS result
4021 def : Pat<(parallel (X86add_flag GR8:$src1, imm:$src2),
4023 (ADD8ri GR8:$src1, imm:$src2)>;
4024 def : Pat<(parallel (X86add_flag GR16:$src1, imm:$src2),
4026 (ADD16ri GR16:$src1, imm:$src2)>;
4027 def : Pat<(parallel (X86add_flag GR32:$src1, imm:$src2),
4029 (ADD32ri GR32:$src1, imm:$src2)>;
4030 def : Pat<(parallel (X86add_flag GR16:$src1, i16immSExt8:$src2),
4032 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4033 def : Pat<(parallel (X86add_flag GR32:$src1, i32immSExt8:$src2),
4035 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4037 // Memory-Register Addition with EFLAGS result
4038 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), GR8:$src2),
4041 (ADD8mr addr:$dst, GR8:$src2)>;
4042 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), GR16:$src2),
4045 (ADD16mr addr:$dst, GR16:$src2)>;
4046 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), GR32:$src2),
4049 (ADD32mr addr:$dst, GR32:$src2)>;
4051 // Memory-Integer Addition with EFLAGS result
4052 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), imm:$src2),
4055 (ADD8mi addr:$dst, imm:$src2)>;
4056 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), imm:$src2),
4059 (ADD16mi addr:$dst, imm:$src2)>;
4060 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), imm:$src2),
4063 (ADD32mi addr:$dst, imm:$src2)>;
4064 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), i16immSExt8:$src2),
4067 (ADD16mi8 addr:$dst, i16immSExt8:$src2)>;
4068 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), i32immSExt8:$src2),
4071 (ADD32mi8 addr:$dst, i32immSExt8:$src2)>;
4073 // Register-Register Subtraction with EFLAGS result
4074 def : Pat<(parallel (X86sub_flag GR8:$src1, GR8:$src2),
4076 (SUB8rr GR8:$src1, GR8:$src2)>;
4077 def : Pat<(parallel (X86sub_flag GR16:$src1, GR16:$src2),
4079 (SUB16rr GR16:$src1, GR16:$src2)>;
4080 def : Pat<(parallel (X86sub_flag GR32:$src1, GR32:$src2),
4082 (SUB32rr GR32:$src1, GR32:$src2)>;
4084 // Register-Memory Subtraction with EFLAGS result
4085 def : Pat<(parallel (X86sub_flag GR8:$src1, (loadi8 addr:$src2)),
4087 (SUB8rm GR8:$src1, addr:$src2)>;
4088 def : Pat<(parallel (X86sub_flag GR16:$src1, (loadi16 addr:$src2)),
4090 (SUB16rm GR16:$src1, addr:$src2)>;
4091 def : Pat<(parallel (X86sub_flag GR32:$src1, (loadi32 addr:$src2)),
4093 (SUB32rm GR32:$src1, addr:$src2)>;
4095 // Register-Integer Subtraction with EFLAGS result
4096 def : Pat<(parallel (X86sub_flag GR8:$src1, imm:$src2),
4098 (SUB8ri GR8:$src1, imm:$src2)>;
4099 def : Pat<(parallel (X86sub_flag GR16:$src1, imm:$src2),
4101 (SUB16ri GR16:$src1, imm:$src2)>;
4102 def : Pat<(parallel (X86sub_flag GR32:$src1, imm:$src2),
4104 (SUB32ri GR32:$src1, imm:$src2)>;
4105 def : Pat<(parallel (X86sub_flag GR16:$src1, i16immSExt8:$src2),
4107 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
4108 def : Pat<(parallel (X86sub_flag GR32:$src1, i32immSExt8:$src2),
4110 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4112 // Memory-Register Subtraction with EFLAGS result
4113 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), GR8:$src2),
4116 (SUB8mr addr:$dst, GR8:$src2)>;
4117 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), GR16:$src2),
4120 (SUB16mr addr:$dst, GR16:$src2)>;
4121 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), GR32:$src2),
4124 (SUB32mr addr:$dst, GR32:$src2)>;
4126 // Memory-Integer Subtraction with EFLAGS result
4127 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), imm:$src2),
4130 (SUB8mi addr:$dst, imm:$src2)>;
4131 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), imm:$src2),
4134 (SUB16mi addr:$dst, imm:$src2)>;
4135 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), imm:$src2),
4138 (SUB32mi addr:$dst, imm:$src2)>;
4139 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), i16immSExt8:$src2),
4142 (SUB16mi8 addr:$dst, i16immSExt8:$src2)>;
4143 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), i32immSExt8:$src2),
4146 (SUB32mi8 addr:$dst, i32immSExt8:$src2)>;
4149 // Register-Register Signed Integer Multiply with EFLAGS result
4150 def : Pat<(parallel (X86smul_flag GR16:$src1, GR16:$src2),
4152 (IMUL16rr GR16:$src1, GR16:$src2)>;
4153 def : Pat<(parallel (X86smul_flag GR32:$src1, GR32:$src2),
4155 (IMUL32rr GR32:$src1, GR32:$src2)>;
4157 // Register-Memory Signed Integer Multiply with EFLAGS result
4158 def : Pat<(parallel (X86smul_flag GR16:$src1, (loadi16 addr:$src2)),
4160 (IMUL16rm GR16:$src1, addr:$src2)>;
4161 def : Pat<(parallel (X86smul_flag GR32:$src1, (loadi32 addr:$src2)),
4163 (IMUL32rm GR32:$src1, addr:$src2)>;
4165 // Register-Integer Signed Integer Multiply with EFLAGS result
4166 def : Pat<(parallel (X86smul_flag GR16:$src1, imm:$src2),
4168 (IMUL16rri GR16:$src1, imm:$src2)>;
4169 def : Pat<(parallel (X86smul_flag GR32:$src1, imm:$src2),
4171 (IMUL32rri GR32:$src1, imm:$src2)>;
4172 def : Pat<(parallel (X86smul_flag GR16:$src1, i16immSExt8:$src2),
4174 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
4175 def : Pat<(parallel (X86smul_flag GR32:$src1, i32immSExt8:$src2),
4177 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
4179 // Memory-Integer Signed Integer Multiply with EFLAGS result
4180 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), imm:$src2),
4182 (IMUL16rmi addr:$src1, imm:$src2)>;
4183 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), imm:$src2),
4185 (IMUL32rmi addr:$src1, imm:$src2)>;
4186 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), i16immSExt8:$src2),
4188 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
4189 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), i32immSExt8:$src2),
4191 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
4193 // Optimize multiply by 2 with EFLAGS result.
4194 let AddedComplexity = 2 in {
4195 def : Pat<(parallel (X86smul_flag GR16:$src1, 2),
4197 (ADD16rr GR16:$src1, GR16:$src1)>;
4199 def : Pat<(parallel (X86smul_flag GR32:$src1, 2),
4201 (ADD32rr GR32:$src1, GR32:$src1)>;
4204 // INC and DEC with EFLAGS result. Note that these do not set CF.
4205 def : Pat<(parallel (X86inc_flag GR8:$src), (implicit EFLAGS)),
4207 def : Pat<(parallel (store (i8 (X86inc_flag (loadi8 addr:$dst))), addr:$dst),
4210 def : Pat<(parallel (X86dec_flag GR8:$src), (implicit EFLAGS)),
4212 def : Pat<(parallel (store (i8 (X86dec_flag (loadi8 addr:$dst))), addr:$dst),
4216 def : Pat<(parallel (X86inc_flag GR16:$src), (implicit EFLAGS)),
4217 (INC16r GR16:$src)>, Requires<[In32BitMode]>;
4218 def : Pat<(parallel (store (i16 (X86inc_flag (loadi16 addr:$dst))), addr:$dst),
4220 (INC16m addr:$dst)>, Requires<[In32BitMode]>;
4221 def : Pat<(parallel (X86dec_flag GR16:$src), (implicit EFLAGS)),
4222 (DEC16r GR16:$src)>, Requires<[In32BitMode]>;
4223 def : Pat<(parallel (store (i16 (X86dec_flag (loadi16 addr:$dst))), addr:$dst),
4225 (DEC16m addr:$dst)>, Requires<[In32BitMode]>;
4227 def : Pat<(parallel (X86inc_flag GR32:$src), (implicit EFLAGS)),
4228 (INC32r GR32:$src)>, Requires<[In32BitMode]>;
4229 def : Pat<(parallel (store (i32 (X86inc_flag (loadi32 addr:$dst))), addr:$dst),
4231 (INC32m addr:$dst)>, Requires<[In32BitMode]>;
4232 def : Pat<(parallel (X86dec_flag GR32:$src), (implicit EFLAGS)),
4233 (DEC32r GR32:$src)>, Requires<[In32BitMode]>;
4234 def : Pat<(parallel (store (i32 (X86dec_flag (loadi32 addr:$dst))), addr:$dst),
4236 (DEC32m addr:$dst)>, Requires<[In32BitMode]>;
4238 // -disable-16bit support.
4239 def : Pat<(truncstorei16 (i32 imm:$src), addr:$dst),
4240 (MOV16mi addr:$dst, imm:$src)>;
4241 def : Pat<(truncstorei16 GR32:$src, addr:$dst),
4242 (MOV16mr addr:$dst, (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
4243 def : Pat<(i32 (sextloadi16 addr:$dst)),
4244 (MOVSX32rm16 addr:$dst)>;
4245 def : Pat<(i32 (zextloadi16 addr:$dst)),
4246 (MOVZX32rm16 addr:$dst)>;
4247 def : Pat<(i32 (extloadi16 addr:$dst)),
4248 (MOVZX32rm16 addr:$dst)>;
4250 //===----------------------------------------------------------------------===//
4251 // Floating Point Stack Support
4252 //===----------------------------------------------------------------------===//
4254 include "X86InstrFPStack.td"
4256 //===----------------------------------------------------------------------===//
4258 //===----------------------------------------------------------------------===//
4260 include "X86Instr64bit.td"
4262 //===----------------------------------------------------------------------===//
4263 // XMM Floating point support (requires SSE / SSE2)
4264 //===----------------------------------------------------------------------===//
4266 include "X86InstrSSE.td"
4268 //===----------------------------------------------------------------------===//
4269 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
4270 //===----------------------------------------------------------------------===//
4272 include "X86InstrMMX.td"