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 SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
61 def SDTX86RdTsc : SDTypeProfile<0, 0, []>;
63 def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
65 def SDT_X86TLSADDR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
67 def SDT_X86SegmentBaseAddress : SDTypeProfile<1, 1, [SDTCisPtrTy<0>]>;
69 def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
71 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
73 def X86bsf : SDNode<"X86ISD::BSF", SDTIntUnaryOp>;
74 def X86bsr : SDNode<"X86ISD::BSR", SDTIntUnaryOp>;
75 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
76 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
78 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
80 def X86bt : SDNode<"X86ISD::BT", SDTX86CmpTest>;
82 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
83 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
85 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
87 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
88 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
90 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86cas8,
91 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
93 def X86AtomAdd64 : SDNode<"X86ISD::ATOMADD64_DAG", SDTX86atomicBinary,
94 [SDNPHasChain, SDNPMayStore,
95 SDNPMayLoad, SDNPMemOperand]>;
96 def X86AtomSub64 : SDNode<"X86ISD::ATOMSUB64_DAG", SDTX86atomicBinary,
97 [SDNPHasChain, SDNPMayStore,
98 SDNPMayLoad, SDNPMemOperand]>;
99 def X86AtomOr64 : SDNode<"X86ISD::ATOMOR64_DAG", SDTX86atomicBinary,
100 [SDNPHasChain, SDNPMayStore,
101 SDNPMayLoad, SDNPMemOperand]>;
102 def X86AtomXor64 : SDNode<"X86ISD::ATOMXOR64_DAG", SDTX86atomicBinary,
103 [SDNPHasChain, SDNPMayStore,
104 SDNPMayLoad, SDNPMemOperand]>;
105 def X86AtomAnd64 : SDNode<"X86ISD::ATOMAND64_DAG", SDTX86atomicBinary,
106 [SDNPHasChain, SDNPMayStore,
107 SDNPMayLoad, SDNPMemOperand]>;
108 def X86AtomNand64 : SDNode<"X86ISD::ATOMNAND64_DAG", SDTX86atomicBinary,
109 [SDNPHasChain, SDNPMayStore,
110 SDNPMayLoad, SDNPMemOperand]>;
111 def X86AtomSwap64 : SDNode<"X86ISD::ATOMSWAP64_DAG", SDTX86atomicBinary,
112 [SDNPHasChain, SDNPMayStore,
113 SDNPMayLoad, SDNPMemOperand]>;
114 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
115 [SDNPHasChain, SDNPOptInFlag]>;
117 def X86callseq_start :
118 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
119 [SDNPHasChain, SDNPOutFlag]>;
121 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
122 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
124 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
125 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
127 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
128 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore]>;
129 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
130 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
133 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG",SDTX86RdTsc,
134 [SDNPHasChain, SDNPOutFlag, SDNPSideEffect]>;
136 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
137 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
139 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
140 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
141 def X86SegmentBaseAddress : SDNode<"X86ISD::SegmentBaseAddress",
142 SDT_X86SegmentBaseAddress, []>;
144 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
147 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
148 [SDNPHasChain, SDNPOptInFlag]>;
150 def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags>;
151 def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
152 def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags>;
153 def X86umul_flag : SDNode<"X86ISD::UMUL", SDTUnaryArithWithFlags>;
154 def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>;
155 def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>;
157 def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
159 //===----------------------------------------------------------------------===//
160 // X86 Operand Definitions.
163 def i32imm_pcrel : Operand<i32> {
164 let PrintMethod = "print_pcrel_imm";
167 // A version of ptr_rc which excludes SP, ESP, and RSP. This is used for
168 // the index operand of an address, to conform to x86 encoding restrictions.
169 def ptr_rc_nosp : PointerLikeRegClass<1>;
171 // *mem - Operand definitions for the funky X86 addressing mode operands.
173 def X86MemAsmOperand : AsmOperandClass {
177 class X86MemOperand<string printMethod> : Operand<iPTR> {
178 let PrintMethod = printMethod;
179 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc_nosp, i32imm, i8imm);
180 let ParserMatchClass = X86MemAsmOperand;
183 def i8mem : X86MemOperand<"printi8mem">;
184 def i16mem : X86MemOperand<"printi16mem">;
185 def i32mem : X86MemOperand<"printi32mem">;
186 def i64mem : X86MemOperand<"printi64mem">;
187 def i128mem : X86MemOperand<"printi128mem">;
188 def i256mem : X86MemOperand<"printi256mem">;
189 def f32mem : X86MemOperand<"printf32mem">;
190 def f64mem : X86MemOperand<"printf64mem">;
191 def f80mem : X86MemOperand<"printf80mem">;
192 def f128mem : X86MemOperand<"printf128mem">;
193 def f256mem : X86MemOperand<"printf256mem">;
195 // A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
196 // plain GR64, so that it doesn't potentially require a REX prefix.
197 def i8mem_NOREX : Operand<i64> {
198 let PrintMethod = "printi8mem";
199 let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_NOREX_NOSP, i32imm, i8imm);
200 let ParserMatchClass = X86MemAsmOperand;
203 def lea32mem : Operand<i32> {
204 let PrintMethod = "printlea32mem";
205 let MIOperandInfo = (ops GR32, i8imm, GR32_NOSP, i32imm);
206 let ParserMatchClass = X86MemAsmOperand;
209 def SSECC : Operand<i8> {
210 let PrintMethod = "printSSECC";
213 def piclabel: Operand<i32> {
214 let PrintMethod = "printPICLabel";
217 def ImmSExt8AsmOperand : AsmOperandClass {
218 let Name = "ImmSExt8";
219 let SuperClass = ImmAsmOperand;
222 // A couple of more descriptive operand definitions.
223 // 16-bits but only 8 bits are significant.
224 def i16i8imm : Operand<i16> {
225 let ParserMatchClass = ImmSExt8AsmOperand;
227 // 32-bits but only 8 bits are significant.
228 def i32i8imm : Operand<i32> {
229 let ParserMatchClass = ImmSExt8AsmOperand;
232 // Branch targets have OtherVT type and print as pc-relative values.
233 def brtarget : Operand<OtherVT> {
234 let PrintMethod = "print_pcrel_imm";
237 def brtarget8 : Operand<OtherVT> {
238 let PrintMethod = "print_pcrel_imm";
241 //===----------------------------------------------------------------------===//
242 // X86 Complex Pattern Definitions.
245 // Define X86 specific addressing mode.
246 def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], []>;
247 def lea32addr : ComplexPattern<i32, 4, "SelectLEAAddr",
248 [add, sub, mul, X86mul_imm, shl, or, frameindex],
250 def tls32addr : ComplexPattern<i32, 4, "SelectTLSADDRAddr",
251 [tglobaltlsaddr], []>;
253 //===----------------------------------------------------------------------===//
254 // X86 Instruction Predicate Definitions.
255 def HasMMX : Predicate<"Subtarget->hasMMX()">;
256 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
257 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
258 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
259 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
260 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
261 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
262 def HasSSE4A : Predicate<"Subtarget->hasSSE4A()">;
263 def HasAVX : Predicate<"Subtarget->hasAVX()">;
264 def HasFMA3 : Predicate<"Subtarget->hasFMA3()">;
265 def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
266 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
267 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
268 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
269 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
270 def IsWin64 : Predicate<"Subtarget->isTargetWin64()">;
271 def NotWin64 : Predicate<"!Subtarget->isTargetWin64()">;
272 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
273 def KernelCode : Predicate<"TM.getCodeModel() == CodeModel::Kernel">;
274 def FarData : Predicate<"TM.getCodeModel() != CodeModel::Small &&"
275 "TM.getCodeModel() != CodeModel::Kernel">;
276 def NearData : Predicate<"TM.getCodeModel() == CodeModel::Small ||"
277 "TM.getCodeModel() == CodeModel::Kernel">;
278 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
279 def OptForSpeed : Predicate<"!OptForSize">;
280 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
281 def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
283 //===----------------------------------------------------------------------===//
284 // X86 Instruction Format Definitions.
287 include "X86InstrFormats.td"
289 //===----------------------------------------------------------------------===//
290 // Pattern fragments...
293 // X86 specific condition code. These correspond to CondCode in
294 // X86InstrInfo.h. They must be kept in synch.
295 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
296 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
297 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
298 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
299 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
300 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
301 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
302 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
303 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
304 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
305 def X86_COND_NO : PatLeaf<(i8 10)>;
306 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
307 def X86_COND_NS : PatLeaf<(i8 12)>;
308 def X86_COND_O : PatLeaf<(i8 13)>;
309 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
310 def X86_COND_S : PatLeaf<(i8 15)>;
312 def i16immSExt8 : PatLeaf<(i16 imm), [{
313 // i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
314 // sign extended field.
315 return (int16_t)N->getZExtValue() == (int8_t)N->getZExtValue();
318 def i32immSExt8 : PatLeaf<(i32 imm), [{
319 // i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
320 // sign extended field.
321 return (int32_t)N->getZExtValue() == (int8_t)N->getZExtValue();
324 // Helper fragments for loads.
325 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
326 // known to be 32-bit aligned or better. Ditto for i8 to i16.
327 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
328 LoadSDNode *LD = cast<LoadSDNode>(N);
329 if (const Value *Src = LD->getSrcValue())
330 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
331 if (PT->getAddressSpace() > 255)
333 ISD::LoadExtType ExtType = LD->getExtensionType();
334 if (ExtType == ISD::NON_EXTLOAD)
336 if (ExtType == ISD::EXTLOAD)
337 return LD->getAlignment() >= 2 && !LD->isVolatile();
341 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
342 LoadSDNode *LD = cast<LoadSDNode>(N);
343 if (const Value *Src = LD->getSrcValue())
344 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
345 if (PT->getAddressSpace() > 255)
347 ISD::LoadExtType ExtType = LD->getExtensionType();
348 if (ExtType == ISD::EXTLOAD)
349 return LD->getAlignment() >= 2 && !LD->isVolatile();
353 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
354 LoadSDNode *LD = cast<LoadSDNode>(N);
355 if (const Value *Src = LD->getSrcValue())
356 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
357 if (PT->getAddressSpace() > 255)
359 ISD::LoadExtType ExtType = LD->getExtensionType();
360 if (ExtType == ISD::NON_EXTLOAD)
362 if (ExtType == ISD::EXTLOAD)
363 return LD->getAlignment() >= 4 && !LD->isVolatile();
367 def nvloadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
368 LoadSDNode *LD = cast<LoadSDNode>(N);
369 if (const Value *Src = LD->getSrcValue())
370 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
371 if (PT->getAddressSpace() > 255)
373 if (LD->isVolatile())
375 ISD::LoadExtType ExtType = LD->getExtensionType();
376 if (ExtType == ISD::NON_EXTLOAD)
378 if (ExtType == ISD::EXTLOAD)
379 return LD->getAlignment() >= 4;
383 def gsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
384 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
385 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
386 return PT->getAddressSpace() == 256;
390 def fsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
391 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
392 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
393 return PT->getAddressSpace() == 257;
397 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr)), [{
398 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
399 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
400 if (PT->getAddressSpace() > 255)
404 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr)), [{
405 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
406 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
407 if (PT->getAddressSpace() > 255)
412 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr)), [{
413 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
414 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
415 if (PT->getAddressSpace() > 255)
419 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr)), [{
420 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
421 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
422 if (PT->getAddressSpace() > 255)
426 def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr)), [{
427 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
428 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
429 if (PT->getAddressSpace() > 255)
434 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
435 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
436 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
438 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
439 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
440 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
441 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
442 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
443 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
445 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
446 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
447 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
448 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
449 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
450 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
453 // An 'and' node with a single use.
454 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
455 return N->hasOneUse();
457 // An 'srl' node with a single use.
458 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
459 return N->hasOneUse();
461 // An 'trunc' node with a single use.
462 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
463 return N->hasOneUse();
466 // 'shld' and 'shrd' instruction patterns. Note that even though these have
467 // the srl and shl in their patterns, the C++ code must still check for them,
468 // because predicates are tested before children nodes are explored.
470 def shrd : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
471 (or (srl node:$src1, node:$amt1),
472 (shl node:$src2, node:$amt2)), [{
473 assert(N->getOpcode() == ISD::OR);
474 return N->getOperand(0).getOpcode() == ISD::SRL &&
475 N->getOperand(1).getOpcode() == ISD::SHL &&
476 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
477 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
478 N->getOperand(0).getConstantOperandVal(1) ==
479 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
482 def shld : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
483 (or (shl node:$src1, node:$amt1),
484 (srl node:$src2, node:$amt2)), [{
485 assert(N->getOpcode() == ISD::OR);
486 return N->getOperand(0).getOpcode() == ISD::SHL &&
487 N->getOperand(1).getOpcode() == ISD::SRL &&
488 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
489 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
490 N->getOperand(0).getConstantOperandVal(1) ==
491 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
494 //===----------------------------------------------------------------------===//
495 // Instruction list...
498 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
499 // a stack adjustment and the codegen must know that they may modify the stack
500 // pointer before prolog-epilog rewriting occurs.
501 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
502 // sub / add which can clobber EFLAGS.
503 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
504 def ADJCALLSTACKDOWN32 : I<0, Pseudo, (outs), (ins i32imm:$amt),
506 [(X86callseq_start timm:$amt)]>,
507 Requires<[In32BitMode]>;
508 def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
510 [(X86callseq_end timm:$amt1, timm:$amt2)]>,
511 Requires<[In32BitMode]>;
515 let neverHasSideEffects = 1 in {
516 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
517 def NOOPL : I<0x1f, MRM0m, (outs), (ins i32mem:$zero),
518 "nopl\t$zero", []>, TB;
522 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
523 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins piclabel:$label),
527 //===----------------------------------------------------------------------===//
528 // Control Flow Instructions...
531 // Return instructions.
532 let isTerminator = 1, isReturn = 1, isBarrier = 1,
533 hasCtrlDep = 1, FPForm = SpecialFP, FPFormBits = SpecialFP.Value in {
534 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
537 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
539 [(X86retflag imm:$amt)]>;
542 // All branches are RawFrm, Void, Branch, and Terminators
543 let isBranch = 1, isTerminator = 1 in
544 class IBr<bits<8> opcode, dag ins, string asm, list<dag> pattern> :
545 I<opcode, RawFrm, (outs), ins, asm, pattern>;
547 let isBranch = 1, isBarrier = 1 in {
548 def JMP : IBr<0xE9, (ins brtarget:$dst), "jmp\t$dst", [(br bb:$dst)]>;
549 def JMP8 : IBr<0xEB, (ins brtarget8:$dst), "jmp\t$dst", []>;
553 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
554 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
555 [(brind GR32:$dst)]>;
556 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
557 [(brind (loadi32 addr:$dst))]>;
560 // Conditional branches
561 let Uses = [EFLAGS] in {
562 // Short conditional jumps
563 def JO8 : IBr<0x70, (ins brtarget8:$dst), "jo\t$dst", []>;
564 def JNO8 : IBr<0x71, (ins brtarget8:$dst), "jno\t$dst", []>;
565 def JB8 : IBr<0x72, (ins brtarget8:$dst), "jb\t$dst", []>;
566 def JAE8 : IBr<0x73, (ins brtarget8:$dst), "jae\t$dst", []>;
567 def JE8 : IBr<0x74, (ins brtarget8:$dst), "je\t$dst", []>;
568 def JNE8 : IBr<0x75, (ins brtarget8:$dst), "jne\t$dst", []>;
569 def JBE8 : IBr<0x76, (ins brtarget8:$dst), "jbe\t$dst", []>;
570 def JA8 : IBr<0x77, (ins brtarget8:$dst), "ja\t$dst", []>;
571 def JS8 : IBr<0x78, (ins brtarget8:$dst), "js\t$dst", []>;
572 def JNS8 : IBr<0x79, (ins brtarget8:$dst), "jns\t$dst", []>;
573 def JP8 : IBr<0x7A, (ins brtarget8:$dst), "jp\t$dst", []>;
574 def JNP8 : IBr<0x7B, (ins brtarget8:$dst), "jnp\t$dst", []>;
575 def JL8 : IBr<0x7C, (ins brtarget8:$dst), "jl\t$dst", []>;
576 def JGE8 : IBr<0x7D, (ins brtarget8:$dst), "jge\t$dst", []>;
577 def JLE8 : IBr<0x7E, (ins brtarget8:$dst), "jle\t$dst", []>;
578 def JG8 : IBr<0x7F, (ins brtarget8:$dst), "jg\t$dst", []>;
580 def JCXZ8 : IBr<0xE3, (ins brtarget8:$dst), "jcxz\t$dst", []>;
582 def JE : IBr<0x84, (ins brtarget:$dst), "je\t$dst",
583 [(X86brcond bb:$dst, X86_COND_E, EFLAGS)]>, TB;
584 def JNE : IBr<0x85, (ins brtarget:$dst), "jne\t$dst",
585 [(X86brcond bb:$dst, X86_COND_NE, EFLAGS)]>, TB;
586 def JL : IBr<0x8C, (ins brtarget:$dst), "jl\t$dst",
587 [(X86brcond bb:$dst, X86_COND_L, EFLAGS)]>, TB;
588 def JLE : IBr<0x8E, (ins brtarget:$dst), "jle\t$dst",
589 [(X86brcond bb:$dst, X86_COND_LE, EFLAGS)]>, TB;
590 def JG : IBr<0x8F, (ins brtarget:$dst), "jg\t$dst",
591 [(X86brcond bb:$dst, X86_COND_G, EFLAGS)]>, TB;
592 def JGE : IBr<0x8D, (ins brtarget:$dst), "jge\t$dst",
593 [(X86brcond bb:$dst, X86_COND_GE, EFLAGS)]>, TB;
595 def JB : IBr<0x82, (ins brtarget:$dst), "jb\t$dst",
596 [(X86brcond bb:$dst, X86_COND_B, EFLAGS)]>, TB;
597 def JBE : IBr<0x86, (ins brtarget:$dst), "jbe\t$dst",
598 [(X86brcond bb:$dst, X86_COND_BE, EFLAGS)]>, TB;
599 def JA : IBr<0x87, (ins brtarget:$dst), "ja\t$dst",
600 [(X86brcond bb:$dst, X86_COND_A, EFLAGS)]>, TB;
601 def JAE : IBr<0x83, (ins brtarget:$dst), "jae\t$dst",
602 [(X86brcond bb:$dst, X86_COND_AE, EFLAGS)]>, TB;
604 def JS : IBr<0x88, (ins brtarget:$dst), "js\t$dst",
605 [(X86brcond bb:$dst, X86_COND_S, EFLAGS)]>, TB;
606 def JNS : IBr<0x89, (ins brtarget:$dst), "jns\t$dst",
607 [(X86brcond bb:$dst, X86_COND_NS, EFLAGS)]>, TB;
608 def JP : IBr<0x8A, (ins brtarget:$dst), "jp\t$dst",
609 [(X86brcond bb:$dst, X86_COND_P, EFLAGS)]>, TB;
610 def JNP : IBr<0x8B, (ins brtarget:$dst), "jnp\t$dst",
611 [(X86brcond bb:$dst, X86_COND_NP, EFLAGS)]>, TB;
612 def JO : IBr<0x80, (ins brtarget:$dst), "jo\t$dst",
613 [(X86brcond bb:$dst, X86_COND_O, EFLAGS)]>, TB;
614 def JNO : IBr<0x81, (ins brtarget:$dst), "jno\t$dst",
615 [(X86brcond bb:$dst, X86_COND_NO, EFLAGS)]>, TB;
618 //===----------------------------------------------------------------------===//
619 // Call Instructions...
622 // All calls clobber the non-callee saved registers. ESP is marked as
623 // a use to prevent stack-pointer assignments that appear immediately
624 // before calls from potentially appearing dead. Uses for argument
625 // registers are added manually.
626 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
627 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
628 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
629 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
631 def CALLpcrel32 : Ii32<0xE8, RawFrm,
632 (outs), (ins i32imm_pcrel:$dst,variable_ops),
634 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
635 "call\t{*}$dst", [(X86call GR32:$dst)]>;
636 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
637 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
642 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
643 def TCRETURNdi : I<0, Pseudo, (outs), (ins i32imm:$dst, i32imm:$offset, variable_ops),
644 "#TC_RETURN $dst $offset",
647 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
648 def TCRETURNri : I<0, Pseudo, (outs), (ins GR32:$dst, i32imm:$offset, variable_ops),
649 "#TC_RETURN $dst $offset",
652 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
654 def TAILJMPd : IBr<0xE9, (ins i32imm_pcrel:$dst), "jmp\t$dst # TAILCALL",
656 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
657 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst # TAILCALL",
659 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
660 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem:$dst),
661 "jmp\t{*}$dst # TAILCALL", []>;
663 //===----------------------------------------------------------------------===//
664 // Miscellaneous Instructions...
666 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
667 def LEAVE : I<0xC9, RawFrm,
668 (outs), (ins), "leave", []>;
670 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
672 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
675 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
678 let Defs = [ESP], Uses = [ESP], neverHasSideEffects = 1, mayStore = 1 in {
679 def PUSH32i8 : Ii8<0x6a, RawFrm, (outs), (ins i8imm:$imm),
680 "push{l}\t$imm", []>;
681 def PUSH32i16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
682 "push{l}\t$imm", []>;
683 def PUSH32i32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
684 "push{l}\t$imm", []>;
687 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in
688 def POPFD : I<0x9D, RawFrm, (outs), (ins), "popf", []>;
689 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in
690 def PUSHFD : I<0x9C, RawFrm, (outs), (ins), "pushf", []>;
692 let isTwoAddress = 1 in // GR32 = bswap GR32
693 def BSWAP32r : I<0xC8, AddRegFrm,
694 (outs GR32:$dst), (ins GR32:$src),
696 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
699 // Bit scan instructions.
700 let Defs = [EFLAGS] in {
701 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
702 "bsf{w}\t{$src, $dst|$dst, $src}",
703 [(set GR16:$dst, (X86bsf GR16:$src)), (implicit EFLAGS)]>, TB;
704 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
705 "bsf{w}\t{$src, $dst|$dst, $src}",
706 [(set GR16:$dst, (X86bsf (loadi16 addr:$src))),
707 (implicit EFLAGS)]>, TB;
708 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
709 "bsf{l}\t{$src, $dst|$dst, $src}",
710 [(set GR32:$dst, (X86bsf GR32:$src)), (implicit EFLAGS)]>, TB;
711 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
712 "bsf{l}\t{$src, $dst|$dst, $src}",
713 [(set GR32:$dst, (X86bsf (loadi32 addr:$src))),
714 (implicit EFLAGS)]>, TB;
716 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
717 "bsr{w}\t{$src, $dst|$dst, $src}",
718 [(set GR16:$dst, (X86bsr GR16:$src)), (implicit EFLAGS)]>, TB;
719 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
720 "bsr{w}\t{$src, $dst|$dst, $src}",
721 [(set GR16:$dst, (X86bsr (loadi16 addr:$src))),
722 (implicit EFLAGS)]>, TB;
723 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
724 "bsr{l}\t{$src, $dst|$dst, $src}",
725 [(set GR32:$dst, (X86bsr GR32:$src)), (implicit EFLAGS)]>, TB;
726 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
727 "bsr{l}\t{$src, $dst|$dst, $src}",
728 [(set GR32:$dst, (X86bsr (loadi32 addr:$src))),
729 (implicit EFLAGS)]>, TB;
732 let neverHasSideEffects = 1 in
733 def LEA16r : I<0x8D, MRMSrcMem,
734 (outs GR16:$dst), (ins i32mem:$src),
735 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
736 let isReMaterializable = 1 in
737 def LEA32r : I<0x8D, MRMSrcMem,
738 (outs GR32:$dst), (ins lea32mem:$src),
739 "lea{l}\t{$src|$dst}, {$dst|$src}",
740 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
742 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI] in {
743 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
744 [(X86rep_movs i8)]>, REP;
745 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
746 [(X86rep_movs i16)]>, REP, OpSize;
747 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
748 [(X86rep_movs i32)]>, REP;
751 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI] in
752 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
753 [(X86rep_stos i8)]>, REP;
754 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI] in
755 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
756 [(X86rep_stos i16)]>, REP, OpSize;
757 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI] in
758 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
759 [(X86rep_stos i32)]>, REP;
761 let Defs = [RAX, RDX] in
762 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
765 let isBarrier = 1, hasCtrlDep = 1 in {
766 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
769 //===----------------------------------------------------------------------===//
770 // Input/Output Instructions...
772 let Defs = [AL], Uses = [DX] in
773 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
774 "in{b}\t{%dx, %al|%AL, %DX}", []>;
775 let Defs = [AX], Uses = [DX] in
776 def IN16rr : I<0xED, RawFrm, (outs), (ins),
777 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
778 let Defs = [EAX], Uses = [DX] in
779 def IN32rr : I<0xED, RawFrm, (outs), (ins),
780 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
783 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i16i8imm:$port),
784 "in{b}\t{$port, %al|%AL, $port}", []>;
786 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
787 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
789 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
790 "in{l}\t{$port, %eax|%EAX, $port}", []>;
792 let Uses = [DX, AL] in
793 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
794 "out{b}\t{%al, %dx|%DX, %AL}", []>;
795 let Uses = [DX, AX] in
796 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
797 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
798 let Uses = [DX, EAX] in
799 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
800 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
803 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i16i8imm:$port),
804 "out{b}\t{%al, $port|$port, %AL}", []>;
806 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
807 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
809 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
810 "out{l}\t{%eax, $port|$port, %EAX}", []>;
812 //===----------------------------------------------------------------------===//
813 // Move Instructions...
815 let neverHasSideEffects = 1 in {
816 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
817 "mov{b}\t{$src, $dst|$dst, $src}", []>;
818 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
819 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
820 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
821 "mov{l}\t{$src, $dst|$dst, $src}", []>;
823 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
824 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
825 "mov{b}\t{$src, $dst|$dst, $src}",
826 [(set GR8:$dst, imm:$src)]>;
827 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
828 "mov{w}\t{$src, $dst|$dst, $src}",
829 [(set GR16:$dst, imm:$src)]>, OpSize;
830 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
831 "mov{l}\t{$src, $dst|$dst, $src}",
832 [(set GR32:$dst, imm:$src)]>;
834 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
835 "mov{b}\t{$src, $dst|$dst, $src}",
836 [(store (i8 imm:$src), addr:$dst)]>;
837 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
838 "mov{w}\t{$src, $dst|$dst, $src}",
839 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
840 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
841 "mov{l}\t{$src, $dst|$dst, $src}",
842 [(store (i32 imm:$src), addr:$dst)]>;
844 let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in {
845 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
846 "mov{b}\t{$src, $dst|$dst, $src}",
847 [(set GR8:$dst, (loadi8 addr:$src))]>;
848 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
849 "mov{w}\t{$src, $dst|$dst, $src}",
850 [(set GR16:$dst, (loadi16 addr:$src))]>, OpSize;
851 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
852 "mov{l}\t{$src, $dst|$dst, $src}",
853 [(set GR32:$dst, (loadi32 addr:$src))]>;
856 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
857 "mov{b}\t{$src, $dst|$dst, $src}",
858 [(store GR8:$src, addr:$dst)]>;
859 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
860 "mov{w}\t{$src, $dst|$dst, $src}",
861 [(store GR16:$src, addr:$dst)]>, OpSize;
862 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
863 "mov{l}\t{$src, $dst|$dst, $src}",
864 [(store GR32:$src, addr:$dst)]>;
866 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
867 // that they can be used for copying and storing h registers, which can't be
868 // encoded when a REX prefix is present.
869 let neverHasSideEffects = 1 in
870 def MOV8rr_NOREX : I<0x88, MRMDestReg,
871 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
872 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
874 def MOV8mr_NOREX : I<0x88, MRMDestMem,
875 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
876 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
878 canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in
879 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
880 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
881 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
883 //===----------------------------------------------------------------------===//
884 // Fixed-Register Multiplication and Division Instructions...
887 // Extra precision multiplication
888 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
889 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
890 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
891 // This probably ought to be moved to a def : Pat<> if the
892 // syntax can be accepted.
893 [(set AL, (mul AL, GR8:$src)),
894 (implicit EFLAGS)]>; // AL,AH = AL*GR8
896 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
897 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
899 []>, OpSize; // AX,DX = AX*GR16
901 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
902 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
904 []>; // EAX,EDX = EAX*GR32
906 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
907 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
909 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
910 // This probably ought to be moved to a def : Pat<> if the
911 // syntax can be accepted.
912 [(set AL, (mul AL, (loadi8 addr:$src))),
913 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
915 let mayLoad = 1, neverHasSideEffects = 1 in {
916 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
917 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
919 []>, OpSize; // AX,DX = AX*[mem16]
921 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
922 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
924 []>; // EAX,EDX = EAX*[mem32]
927 let neverHasSideEffects = 1 in {
928 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
929 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
931 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
932 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
933 OpSize; // AX,DX = AX*GR16
934 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
935 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
936 // EAX,EDX = EAX*GR32
938 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
939 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
940 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
941 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
942 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
943 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
944 let Defs = [EAX,EDX], Uses = [EAX] in
945 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
946 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
948 } // neverHasSideEffects
950 // unsigned division/remainder
951 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
952 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
954 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
955 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
956 "div{w}\t$src", []>, OpSize;
957 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
958 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
961 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
962 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
964 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
965 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
966 "div{w}\t$src", []>, OpSize;
967 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
968 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
972 // Signed division/remainder.
973 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
974 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
975 "idiv{b}\t$src", []>;
976 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
977 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
978 "idiv{w}\t$src", []>, OpSize;
979 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
980 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
981 "idiv{l}\t$src", []>;
982 let mayLoad = 1, mayLoad = 1 in {
983 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
984 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
985 "idiv{b}\t$src", []>;
986 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
987 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
988 "idiv{w}\t$src", []>, OpSize;
989 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
990 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
991 "idiv{l}\t$src", []>;
994 //===----------------------------------------------------------------------===//
995 // Two address Instructions.
997 let isTwoAddress = 1 in {
1000 let Uses = [EFLAGS] in {
1001 let isCommutable = 1 in {
1002 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
1003 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1004 "cmovb\t{$src2, $dst|$dst, $src2}",
1005 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1006 X86_COND_B, EFLAGS))]>,
1008 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
1009 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1010 "cmovb\t{$src2, $dst|$dst, $src2}",
1011 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1012 X86_COND_B, EFLAGS))]>,
1014 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
1015 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1016 "cmovae\t{$src2, $dst|$dst, $src2}",
1017 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1018 X86_COND_AE, EFLAGS))]>,
1020 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
1021 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1022 "cmovae\t{$src2, $dst|$dst, $src2}",
1023 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1024 X86_COND_AE, EFLAGS))]>,
1026 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
1027 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1028 "cmove\t{$src2, $dst|$dst, $src2}",
1029 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1030 X86_COND_E, EFLAGS))]>,
1032 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
1033 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1034 "cmove\t{$src2, $dst|$dst, $src2}",
1035 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1036 X86_COND_E, EFLAGS))]>,
1038 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
1039 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1040 "cmovne\t{$src2, $dst|$dst, $src2}",
1041 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1042 X86_COND_NE, EFLAGS))]>,
1044 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
1045 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1046 "cmovne\t{$src2, $dst|$dst, $src2}",
1047 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1048 X86_COND_NE, EFLAGS))]>,
1050 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
1051 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1052 "cmovbe\t{$src2, $dst|$dst, $src2}",
1053 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1054 X86_COND_BE, EFLAGS))]>,
1056 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
1057 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1058 "cmovbe\t{$src2, $dst|$dst, $src2}",
1059 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1060 X86_COND_BE, EFLAGS))]>,
1062 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
1063 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1064 "cmova\t{$src2, $dst|$dst, $src2}",
1065 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1066 X86_COND_A, EFLAGS))]>,
1068 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
1069 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1070 "cmova\t{$src2, $dst|$dst, $src2}",
1071 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1072 X86_COND_A, EFLAGS))]>,
1074 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
1075 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1076 "cmovl\t{$src2, $dst|$dst, $src2}",
1077 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1078 X86_COND_L, EFLAGS))]>,
1080 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
1081 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1082 "cmovl\t{$src2, $dst|$dst, $src2}",
1083 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1084 X86_COND_L, EFLAGS))]>,
1086 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
1087 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1088 "cmovge\t{$src2, $dst|$dst, $src2}",
1089 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1090 X86_COND_GE, EFLAGS))]>,
1092 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
1093 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1094 "cmovge\t{$src2, $dst|$dst, $src2}",
1095 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1096 X86_COND_GE, EFLAGS))]>,
1098 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
1099 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1100 "cmovle\t{$src2, $dst|$dst, $src2}",
1101 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1102 X86_COND_LE, EFLAGS))]>,
1104 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
1105 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1106 "cmovle\t{$src2, $dst|$dst, $src2}",
1107 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1108 X86_COND_LE, EFLAGS))]>,
1110 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
1111 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1112 "cmovg\t{$src2, $dst|$dst, $src2}",
1113 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1114 X86_COND_G, EFLAGS))]>,
1116 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
1117 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1118 "cmovg\t{$src2, $dst|$dst, $src2}",
1119 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1120 X86_COND_G, EFLAGS))]>,
1122 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
1123 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1124 "cmovs\t{$src2, $dst|$dst, $src2}",
1125 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1126 X86_COND_S, EFLAGS))]>,
1128 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
1129 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1130 "cmovs\t{$src2, $dst|$dst, $src2}",
1131 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1132 X86_COND_S, EFLAGS))]>,
1134 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
1135 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1136 "cmovns\t{$src2, $dst|$dst, $src2}",
1137 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1138 X86_COND_NS, EFLAGS))]>,
1140 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1141 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1142 "cmovns\t{$src2, $dst|$dst, $src2}",
1143 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1144 X86_COND_NS, EFLAGS))]>,
1146 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1147 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1148 "cmovp\t{$src2, $dst|$dst, $src2}",
1149 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1150 X86_COND_P, EFLAGS))]>,
1152 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1153 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1154 "cmovp\t{$src2, $dst|$dst, $src2}",
1155 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1156 X86_COND_P, EFLAGS))]>,
1158 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1159 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1160 "cmovnp\t{$src2, $dst|$dst, $src2}",
1161 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1162 X86_COND_NP, EFLAGS))]>,
1164 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1165 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1166 "cmovnp\t{$src2, $dst|$dst, $src2}",
1167 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1168 X86_COND_NP, EFLAGS))]>,
1170 def CMOVO16rr : I<0x40, MRMSrcReg, // if overflow, GR16 = GR16
1171 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1172 "cmovo\t{$src2, $dst|$dst, $src2}",
1173 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1174 X86_COND_O, EFLAGS))]>,
1176 def CMOVO32rr : I<0x40, MRMSrcReg, // if overflow, GR32 = GR32
1177 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1178 "cmovo\t{$src2, $dst|$dst, $src2}",
1179 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1180 X86_COND_O, EFLAGS))]>,
1182 def CMOVNO16rr : I<0x41, MRMSrcReg, // if !overflow, GR16 = GR16
1183 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1184 "cmovno\t{$src2, $dst|$dst, $src2}",
1185 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1186 X86_COND_NO, EFLAGS))]>,
1188 def CMOVNO32rr : I<0x41, MRMSrcReg, // if !overflow, GR32 = GR32
1189 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1190 "cmovno\t{$src2, $dst|$dst, $src2}",
1191 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1192 X86_COND_NO, EFLAGS))]>,
1194 } // isCommutable = 1
1196 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1197 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1198 "cmovb\t{$src2, $dst|$dst, $src2}",
1199 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1200 X86_COND_B, EFLAGS))]>,
1202 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1203 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1204 "cmovb\t{$src2, $dst|$dst, $src2}",
1205 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1206 X86_COND_B, EFLAGS))]>,
1208 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1209 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1210 "cmovae\t{$src2, $dst|$dst, $src2}",
1211 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1212 X86_COND_AE, EFLAGS))]>,
1214 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1215 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1216 "cmovae\t{$src2, $dst|$dst, $src2}",
1217 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1218 X86_COND_AE, EFLAGS))]>,
1220 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1221 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1222 "cmove\t{$src2, $dst|$dst, $src2}",
1223 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1224 X86_COND_E, EFLAGS))]>,
1226 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1227 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1228 "cmove\t{$src2, $dst|$dst, $src2}",
1229 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1230 X86_COND_E, EFLAGS))]>,
1232 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1233 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1234 "cmovne\t{$src2, $dst|$dst, $src2}",
1235 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1236 X86_COND_NE, EFLAGS))]>,
1238 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1239 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1240 "cmovne\t{$src2, $dst|$dst, $src2}",
1241 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1242 X86_COND_NE, EFLAGS))]>,
1244 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1245 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1246 "cmovbe\t{$src2, $dst|$dst, $src2}",
1247 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1248 X86_COND_BE, EFLAGS))]>,
1250 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1251 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1252 "cmovbe\t{$src2, $dst|$dst, $src2}",
1253 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1254 X86_COND_BE, EFLAGS))]>,
1256 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1257 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1258 "cmova\t{$src2, $dst|$dst, $src2}",
1259 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1260 X86_COND_A, EFLAGS))]>,
1262 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1263 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1264 "cmova\t{$src2, $dst|$dst, $src2}",
1265 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1266 X86_COND_A, EFLAGS))]>,
1268 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1269 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1270 "cmovl\t{$src2, $dst|$dst, $src2}",
1271 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1272 X86_COND_L, EFLAGS))]>,
1274 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1275 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1276 "cmovl\t{$src2, $dst|$dst, $src2}",
1277 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1278 X86_COND_L, EFLAGS))]>,
1280 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1281 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1282 "cmovge\t{$src2, $dst|$dst, $src2}",
1283 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1284 X86_COND_GE, EFLAGS))]>,
1286 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1287 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1288 "cmovge\t{$src2, $dst|$dst, $src2}",
1289 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1290 X86_COND_GE, EFLAGS))]>,
1292 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1293 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1294 "cmovle\t{$src2, $dst|$dst, $src2}",
1295 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1296 X86_COND_LE, EFLAGS))]>,
1298 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1299 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1300 "cmovle\t{$src2, $dst|$dst, $src2}",
1301 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1302 X86_COND_LE, EFLAGS))]>,
1304 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1305 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1306 "cmovg\t{$src2, $dst|$dst, $src2}",
1307 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1308 X86_COND_G, EFLAGS))]>,
1310 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1311 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1312 "cmovg\t{$src2, $dst|$dst, $src2}",
1313 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1314 X86_COND_G, EFLAGS))]>,
1316 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1317 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1318 "cmovs\t{$src2, $dst|$dst, $src2}",
1319 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1320 X86_COND_S, EFLAGS))]>,
1322 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1323 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1324 "cmovs\t{$src2, $dst|$dst, $src2}",
1325 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1326 X86_COND_S, EFLAGS))]>,
1328 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1329 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1330 "cmovns\t{$src2, $dst|$dst, $src2}",
1331 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1332 X86_COND_NS, EFLAGS))]>,
1334 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1335 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1336 "cmovns\t{$src2, $dst|$dst, $src2}",
1337 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1338 X86_COND_NS, EFLAGS))]>,
1340 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1341 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1342 "cmovp\t{$src2, $dst|$dst, $src2}",
1343 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1344 X86_COND_P, EFLAGS))]>,
1346 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1347 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1348 "cmovp\t{$src2, $dst|$dst, $src2}",
1349 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1350 X86_COND_P, EFLAGS))]>,
1352 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1353 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1354 "cmovnp\t{$src2, $dst|$dst, $src2}",
1355 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1356 X86_COND_NP, EFLAGS))]>,
1358 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1359 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1360 "cmovnp\t{$src2, $dst|$dst, $src2}",
1361 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1362 X86_COND_NP, EFLAGS))]>,
1364 def CMOVO16rm : I<0x40, MRMSrcMem, // if overflow, GR16 = [mem16]
1365 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1366 "cmovo\t{$src2, $dst|$dst, $src2}",
1367 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1368 X86_COND_O, EFLAGS))]>,
1370 def CMOVO32rm : I<0x40, MRMSrcMem, // if overflow, GR32 = [mem32]
1371 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1372 "cmovo\t{$src2, $dst|$dst, $src2}",
1373 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1374 X86_COND_O, EFLAGS))]>,
1376 def CMOVNO16rm : I<0x41, MRMSrcMem, // if !overflow, GR16 = [mem16]
1377 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1378 "cmovno\t{$src2, $dst|$dst, $src2}",
1379 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1380 X86_COND_NO, EFLAGS))]>,
1382 def CMOVNO32rm : I<0x41, MRMSrcMem, // if !overflow, GR32 = [mem32]
1383 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1384 "cmovno\t{$src2, $dst|$dst, $src2}",
1385 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1386 X86_COND_NO, EFLAGS))]>,
1388 } // Uses = [EFLAGS]
1391 // unary instructions
1392 let CodeSize = 2 in {
1393 let Defs = [EFLAGS] in {
1394 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src), "neg{b}\t$dst",
1395 [(set GR8:$dst, (ineg GR8:$src)),
1396 (implicit EFLAGS)]>;
1397 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src), "neg{w}\t$dst",
1398 [(set GR16:$dst, (ineg GR16:$src)),
1399 (implicit EFLAGS)]>, OpSize;
1400 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src), "neg{l}\t$dst",
1401 [(set GR32:$dst, (ineg GR32:$src)),
1402 (implicit EFLAGS)]>;
1403 let isTwoAddress = 0 in {
1404 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), "neg{b}\t$dst",
1405 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
1406 (implicit EFLAGS)]>;
1407 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), "neg{w}\t$dst",
1408 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
1409 (implicit EFLAGS)]>, OpSize;
1410 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), "neg{l}\t$dst",
1411 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
1412 (implicit EFLAGS)]>;
1414 } // Defs = [EFLAGS]
1416 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
1417 let AddedComplexity = 15 in {
1418 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src), "not{b}\t$dst",
1419 [(set GR8:$dst, (not GR8:$src))]>;
1420 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src), "not{w}\t$dst",
1421 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1422 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src), "not{l}\t$dst",
1423 [(set GR32:$dst, (not GR32:$src))]>;
1425 let isTwoAddress = 0 in {
1426 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), "not{b}\t$dst",
1427 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1428 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), "not{w}\t$dst",
1429 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1430 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), "not{l}\t$dst",
1431 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1435 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1436 let Defs = [EFLAGS] in {
1438 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
1439 [(set GR8:$dst, (add GR8:$src, 1)),
1440 (implicit EFLAGS)]>;
1441 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1442 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "inc{w}\t$dst",
1443 [(set GR16:$dst, (add GR16:$src, 1)),
1444 (implicit EFLAGS)]>,
1445 OpSize, Requires<[In32BitMode]>;
1446 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "inc{l}\t$dst",
1447 [(set GR32:$dst, (add GR32:$src, 1)),
1448 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1450 let isTwoAddress = 0, CodeSize = 2 in {
1451 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1452 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
1453 (implicit EFLAGS)]>;
1454 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1455 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
1456 (implicit EFLAGS)]>,
1457 OpSize, Requires<[In32BitMode]>;
1458 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1459 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
1460 (implicit EFLAGS)]>,
1461 Requires<[In32BitMode]>;
1465 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src), "dec{b}\t$dst",
1466 [(set GR8:$dst, (add GR8:$src, -1)),
1467 (implicit EFLAGS)]>;
1468 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1469 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "dec{w}\t$dst",
1470 [(set GR16:$dst, (add GR16:$src, -1)),
1471 (implicit EFLAGS)]>,
1472 OpSize, Requires<[In32BitMode]>;
1473 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "dec{l}\t$dst",
1474 [(set GR32:$dst, (add GR32:$src, -1)),
1475 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1478 let isTwoAddress = 0, CodeSize = 2 in {
1479 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1480 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
1481 (implicit EFLAGS)]>;
1482 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1483 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
1484 (implicit EFLAGS)]>,
1485 OpSize, Requires<[In32BitMode]>;
1486 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1487 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
1488 (implicit EFLAGS)]>,
1489 Requires<[In32BitMode]>;
1491 } // Defs = [EFLAGS]
1493 // Logical operators...
1494 let Defs = [EFLAGS] in {
1495 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1496 def AND8rr : I<0x20, MRMDestReg,
1497 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1498 "and{b}\t{$src2, $dst|$dst, $src2}",
1499 [(set GR8:$dst, (and GR8:$src1, GR8:$src2)),
1500 (implicit EFLAGS)]>;
1501 def AND16rr : I<0x21, MRMDestReg,
1502 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1503 "and{w}\t{$src2, $dst|$dst, $src2}",
1504 [(set GR16:$dst, (and GR16:$src1, GR16:$src2)),
1505 (implicit EFLAGS)]>, OpSize;
1506 def AND32rr : I<0x21, MRMDestReg,
1507 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1508 "and{l}\t{$src2, $dst|$dst, $src2}",
1509 [(set GR32:$dst, (and GR32:$src1, GR32:$src2)),
1510 (implicit EFLAGS)]>;
1513 def AND8rm : I<0x22, MRMSrcMem,
1514 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1515 "and{b}\t{$src2, $dst|$dst, $src2}",
1516 [(set GR8:$dst, (and GR8:$src1, (loadi8 addr:$src2))),
1517 (implicit EFLAGS)]>;
1518 def AND16rm : I<0x23, MRMSrcMem,
1519 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1520 "and{w}\t{$src2, $dst|$dst, $src2}",
1521 [(set GR16:$dst, (and GR16:$src1, (loadi16 addr:$src2))),
1522 (implicit EFLAGS)]>, OpSize;
1523 def AND32rm : I<0x23, MRMSrcMem,
1524 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1525 "and{l}\t{$src2, $dst|$dst, $src2}",
1526 [(set GR32:$dst, (and GR32:$src1, (loadi32 addr:$src2))),
1527 (implicit EFLAGS)]>;
1529 def AND8ri : Ii8<0x80, MRM4r,
1530 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1531 "and{b}\t{$src2, $dst|$dst, $src2}",
1532 [(set GR8:$dst, (and GR8:$src1, imm:$src2)),
1533 (implicit EFLAGS)]>;
1534 def AND16ri : Ii16<0x81, MRM4r,
1535 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1536 "and{w}\t{$src2, $dst|$dst, $src2}",
1537 [(set GR16:$dst, (and GR16:$src1, imm:$src2)),
1538 (implicit EFLAGS)]>, OpSize;
1539 def AND32ri : Ii32<0x81, MRM4r,
1540 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1541 "and{l}\t{$src2, $dst|$dst, $src2}",
1542 [(set GR32:$dst, (and GR32:$src1, imm:$src2)),
1543 (implicit EFLAGS)]>;
1544 def AND16ri8 : Ii8<0x83, MRM4r,
1545 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1546 "and{w}\t{$src2, $dst|$dst, $src2}",
1547 [(set GR16:$dst, (and GR16:$src1, i16immSExt8:$src2)),
1548 (implicit EFLAGS)]>,
1550 def AND32ri8 : Ii8<0x83, MRM4r,
1551 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1552 "and{l}\t{$src2, $dst|$dst, $src2}",
1553 [(set GR32:$dst, (and GR32:$src1, i32immSExt8:$src2)),
1554 (implicit EFLAGS)]>;
1556 let isTwoAddress = 0 in {
1557 def AND8mr : I<0x20, MRMDestMem,
1558 (outs), (ins i8mem :$dst, GR8 :$src),
1559 "and{b}\t{$src, $dst|$dst, $src}",
1560 [(store (and (load addr:$dst), GR8:$src), addr:$dst),
1561 (implicit EFLAGS)]>;
1562 def AND16mr : I<0x21, MRMDestMem,
1563 (outs), (ins i16mem:$dst, GR16:$src),
1564 "and{w}\t{$src, $dst|$dst, $src}",
1565 [(store (and (load addr:$dst), GR16:$src), addr:$dst),
1566 (implicit EFLAGS)]>,
1568 def AND32mr : I<0x21, MRMDestMem,
1569 (outs), (ins i32mem:$dst, GR32:$src),
1570 "and{l}\t{$src, $dst|$dst, $src}",
1571 [(store (and (load addr:$dst), GR32:$src), addr:$dst),
1572 (implicit EFLAGS)]>;
1573 def AND8mi : Ii8<0x80, MRM4m,
1574 (outs), (ins i8mem :$dst, i8imm :$src),
1575 "and{b}\t{$src, $dst|$dst, $src}",
1576 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
1577 (implicit EFLAGS)]>;
1578 def AND16mi : Ii16<0x81, MRM4m,
1579 (outs), (ins i16mem:$dst, i16imm:$src),
1580 "and{w}\t{$src, $dst|$dst, $src}",
1581 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
1582 (implicit EFLAGS)]>,
1584 def AND32mi : Ii32<0x81, MRM4m,
1585 (outs), (ins i32mem:$dst, i32imm:$src),
1586 "and{l}\t{$src, $dst|$dst, $src}",
1587 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
1588 (implicit EFLAGS)]>;
1589 def AND16mi8 : Ii8<0x83, MRM4m,
1590 (outs), (ins i16mem:$dst, i16i8imm :$src),
1591 "and{w}\t{$src, $dst|$dst, $src}",
1592 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
1593 (implicit EFLAGS)]>,
1595 def AND32mi8 : Ii8<0x83, MRM4m,
1596 (outs), (ins i32mem:$dst, i32i8imm :$src),
1597 "and{l}\t{$src, $dst|$dst, $src}",
1598 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
1599 (implicit EFLAGS)]>;
1603 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1604 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1605 "or{b}\t{$src2, $dst|$dst, $src2}",
1606 [(set GR8:$dst, (or GR8:$src1, GR8:$src2)),
1607 (implicit EFLAGS)]>;
1608 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1609 "or{w}\t{$src2, $dst|$dst, $src2}",
1610 [(set GR16:$dst, (or GR16:$src1, GR16:$src2)),
1611 (implicit EFLAGS)]>, OpSize;
1612 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1613 "or{l}\t{$src2, $dst|$dst, $src2}",
1614 [(set GR32:$dst, (or GR32:$src1, GR32:$src2)),
1615 (implicit EFLAGS)]>;
1617 def OR8rm : I<0x0A, MRMSrcMem , (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1618 "or{b}\t{$src2, $dst|$dst, $src2}",
1619 [(set GR8:$dst, (or GR8:$src1, (load addr:$src2))),
1620 (implicit EFLAGS)]>;
1621 def OR16rm : I<0x0B, MRMSrcMem , (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1622 "or{w}\t{$src2, $dst|$dst, $src2}",
1623 [(set GR16:$dst, (or GR16:$src1, (load addr:$src2))),
1624 (implicit EFLAGS)]>, OpSize;
1625 def OR32rm : I<0x0B, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1626 "or{l}\t{$src2, $dst|$dst, $src2}",
1627 [(set GR32:$dst, (or GR32:$src1, (load addr:$src2))),
1628 (implicit EFLAGS)]>;
1630 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1631 "or{b}\t{$src2, $dst|$dst, $src2}",
1632 [(set GR8:$dst, (or GR8:$src1, imm:$src2)),
1633 (implicit EFLAGS)]>;
1634 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1635 "or{w}\t{$src2, $dst|$dst, $src2}",
1636 [(set GR16:$dst, (or GR16:$src1, imm:$src2)),
1637 (implicit EFLAGS)]>, OpSize;
1638 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1639 "or{l}\t{$src2, $dst|$dst, $src2}",
1640 [(set GR32:$dst, (or GR32:$src1, imm:$src2)),
1641 (implicit EFLAGS)]>;
1643 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1644 "or{w}\t{$src2, $dst|$dst, $src2}",
1645 [(set GR16:$dst, (or GR16:$src1, i16immSExt8:$src2)),
1646 (implicit EFLAGS)]>, OpSize;
1647 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1648 "or{l}\t{$src2, $dst|$dst, $src2}",
1649 [(set GR32:$dst, (or GR32:$src1, i32immSExt8:$src2)),
1650 (implicit EFLAGS)]>;
1651 let isTwoAddress = 0 in {
1652 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1653 "or{b}\t{$src, $dst|$dst, $src}",
1654 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
1655 (implicit EFLAGS)]>;
1656 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1657 "or{w}\t{$src, $dst|$dst, $src}",
1658 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
1659 (implicit EFLAGS)]>, OpSize;
1660 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1661 "or{l}\t{$src, $dst|$dst, $src}",
1662 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
1663 (implicit EFLAGS)]>;
1664 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1665 "or{b}\t{$src, $dst|$dst, $src}",
1666 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
1667 (implicit EFLAGS)]>;
1668 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
1669 "or{w}\t{$src, $dst|$dst, $src}",
1670 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
1671 (implicit EFLAGS)]>,
1673 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
1674 "or{l}\t{$src, $dst|$dst, $src}",
1675 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
1676 (implicit EFLAGS)]>;
1677 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
1678 "or{w}\t{$src, $dst|$dst, $src}",
1679 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
1680 (implicit EFLAGS)]>,
1682 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
1683 "or{l}\t{$src, $dst|$dst, $src}",
1684 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
1685 (implicit EFLAGS)]>;
1686 } // isTwoAddress = 0
1689 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1690 def XOR8rr : I<0x30, MRMDestReg,
1691 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1692 "xor{b}\t{$src2, $dst|$dst, $src2}",
1693 [(set GR8:$dst, (xor GR8:$src1, GR8:$src2)),
1694 (implicit EFLAGS)]>;
1695 def XOR16rr : I<0x31, MRMDestReg,
1696 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1697 "xor{w}\t{$src2, $dst|$dst, $src2}",
1698 [(set GR16:$dst, (xor GR16:$src1, GR16:$src2)),
1699 (implicit EFLAGS)]>, OpSize;
1700 def XOR32rr : I<0x31, MRMDestReg,
1701 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1702 "xor{l}\t{$src2, $dst|$dst, $src2}",
1703 [(set GR32:$dst, (xor GR32:$src1, GR32:$src2)),
1704 (implicit EFLAGS)]>;
1705 } // isCommutable = 1
1707 def XOR8rm : I<0x32, MRMSrcMem ,
1708 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
1709 "xor{b}\t{$src2, $dst|$dst, $src2}",
1710 [(set GR8:$dst, (xor GR8:$src1, (load addr:$src2))),
1711 (implicit EFLAGS)]>;
1712 def XOR16rm : I<0x33, MRMSrcMem ,
1713 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1714 "xor{w}\t{$src2, $dst|$dst, $src2}",
1715 [(set GR16:$dst, (xor GR16:$src1, (load addr:$src2))),
1716 (implicit EFLAGS)]>,
1718 def XOR32rm : I<0x33, MRMSrcMem ,
1719 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1720 "xor{l}\t{$src2, $dst|$dst, $src2}",
1721 [(set GR32:$dst, (xor GR32:$src1, (load addr:$src2))),
1722 (implicit EFLAGS)]>;
1724 def XOR8ri : Ii8<0x80, MRM6r,
1725 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1726 "xor{b}\t{$src2, $dst|$dst, $src2}",
1727 [(set GR8:$dst, (xor GR8:$src1, imm:$src2)),
1728 (implicit EFLAGS)]>;
1729 def XOR16ri : Ii16<0x81, MRM6r,
1730 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1731 "xor{w}\t{$src2, $dst|$dst, $src2}",
1732 [(set GR16:$dst, (xor GR16:$src1, imm:$src2)),
1733 (implicit EFLAGS)]>, OpSize;
1734 def XOR32ri : Ii32<0x81, MRM6r,
1735 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1736 "xor{l}\t{$src2, $dst|$dst, $src2}",
1737 [(set GR32:$dst, (xor GR32:$src1, imm:$src2)),
1738 (implicit EFLAGS)]>;
1739 def XOR16ri8 : Ii8<0x83, MRM6r,
1740 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1741 "xor{w}\t{$src2, $dst|$dst, $src2}",
1742 [(set GR16:$dst, (xor GR16:$src1, i16immSExt8:$src2)),
1743 (implicit EFLAGS)]>,
1745 def XOR32ri8 : Ii8<0x83, MRM6r,
1746 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1747 "xor{l}\t{$src2, $dst|$dst, $src2}",
1748 [(set GR32:$dst, (xor GR32:$src1, i32immSExt8:$src2)),
1749 (implicit EFLAGS)]>;
1751 let isTwoAddress = 0 in {
1752 def XOR8mr : I<0x30, MRMDestMem,
1753 (outs), (ins i8mem :$dst, GR8 :$src),
1754 "xor{b}\t{$src, $dst|$dst, $src}",
1755 [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
1756 (implicit EFLAGS)]>;
1757 def XOR16mr : I<0x31, MRMDestMem,
1758 (outs), (ins i16mem:$dst, GR16:$src),
1759 "xor{w}\t{$src, $dst|$dst, $src}",
1760 [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
1761 (implicit EFLAGS)]>,
1763 def XOR32mr : I<0x31, MRMDestMem,
1764 (outs), (ins i32mem:$dst, GR32:$src),
1765 "xor{l}\t{$src, $dst|$dst, $src}",
1766 [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
1767 (implicit EFLAGS)]>;
1768 def XOR8mi : Ii8<0x80, MRM6m,
1769 (outs), (ins i8mem :$dst, i8imm :$src),
1770 "xor{b}\t{$src, $dst|$dst, $src}",
1771 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
1772 (implicit EFLAGS)]>;
1773 def XOR16mi : Ii16<0x81, MRM6m,
1774 (outs), (ins i16mem:$dst, i16imm:$src),
1775 "xor{w}\t{$src, $dst|$dst, $src}",
1776 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
1777 (implicit EFLAGS)]>,
1779 def XOR32mi : Ii32<0x81, MRM6m,
1780 (outs), (ins i32mem:$dst, i32imm:$src),
1781 "xor{l}\t{$src, $dst|$dst, $src}",
1782 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
1783 (implicit EFLAGS)]>;
1784 def XOR16mi8 : Ii8<0x83, MRM6m,
1785 (outs), (ins i16mem:$dst, i16i8imm :$src),
1786 "xor{w}\t{$src, $dst|$dst, $src}",
1787 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
1788 (implicit EFLAGS)]>,
1790 def XOR32mi8 : Ii8<0x83, MRM6m,
1791 (outs), (ins i32mem:$dst, i32i8imm :$src),
1792 "xor{l}\t{$src, $dst|$dst, $src}",
1793 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
1794 (implicit EFLAGS)]>;
1795 } // isTwoAddress = 0
1796 } // Defs = [EFLAGS]
1798 // Shift instructions
1799 let Defs = [EFLAGS] in {
1800 let Uses = [CL] in {
1801 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src),
1802 "shl{b}\t{%cl, $dst|$dst, CL}",
1803 [(set GR8:$dst, (shl GR8:$src, CL))]>;
1804 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src),
1805 "shl{w}\t{%cl, $dst|$dst, CL}",
1806 [(set GR16:$dst, (shl GR16:$src, CL))]>, OpSize;
1807 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src),
1808 "shl{l}\t{%cl, $dst|$dst, CL}",
1809 [(set GR32:$dst, (shl GR32:$src, CL))]>;
1812 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1813 "shl{b}\t{$src2, $dst|$dst, $src2}",
1814 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
1815 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1816 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1817 "shl{w}\t{$src2, $dst|$dst, $src2}",
1818 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1819 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1820 "shl{l}\t{$src2, $dst|$dst, $src2}",
1821 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
1822 // NOTE: We don't use shifts of a register by one, because 'add reg,reg' is
1824 } // isConvertibleToThreeAddress = 1
1826 let isTwoAddress = 0 in {
1827 let Uses = [CL] in {
1828 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
1829 "shl{b}\t{%cl, $dst|$dst, CL}",
1830 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
1831 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
1832 "shl{w}\t{%cl, $dst|$dst, CL}",
1833 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1834 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
1835 "shl{l}\t{%cl, $dst|$dst, CL}",
1836 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
1838 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
1839 "shl{b}\t{$src, $dst|$dst, $src}",
1840 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1841 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
1842 "shl{w}\t{$src, $dst|$dst, $src}",
1843 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1845 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
1846 "shl{l}\t{$src, $dst|$dst, $src}",
1847 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1850 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
1852 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1853 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
1855 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1857 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
1859 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1862 let Uses = [CL] in {
1863 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src),
1864 "shr{b}\t{%cl, $dst|$dst, CL}",
1865 [(set GR8:$dst, (srl GR8:$src, CL))]>;
1866 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src),
1867 "shr{w}\t{%cl, $dst|$dst, CL}",
1868 [(set GR16:$dst, (srl GR16:$src, CL))]>, OpSize;
1869 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src),
1870 "shr{l}\t{%cl, $dst|$dst, CL}",
1871 [(set GR32:$dst, (srl GR32:$src, CL))]>;
1874 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1875 "shr{b}\t{$src2, $dst|$dst, $src2}",
1876 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
1877 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1878 "shr{w}\t{$src2, $dst|$dst, $src2}",
1879 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1880 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1881 "shr{l}\t{$src2, $dst|$dst, $src2}",
1882 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
1885 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
1887 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
1888 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
1890 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
1891 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
1893 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
1895 let isTwoAddress = 0 in {
1896 let Uses = [CL] in {
1897 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
1898 "shr{b}\t{%cl, $dst|$dst, CL}",
1899 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
1900 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
1901 "shr{w}\t{%cl, $dst|$dst, CL}",
1902 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
1904 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
1905 "shr{l}\t{%cl, $dst|$dst, CL}",
1906 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
1908 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
1909 "shr{b}\t{$src, $dst|$dst, $src}",
1910 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1911 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
1912 "shr{w}\t{$src, $dst|$dst, $src}",
1913 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1915 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
1916 "shr{l}\t{$src, $dst|$dst, $src}",
1917 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1920 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
1922 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1923 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
1925 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
1926 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
1928 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1931 let Uses = [CL] in {
1932 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src),
1933 "sar{b}\t{%cl, $dst|$dst, CL}",
1934 [(set GR8:$dst, (sra GR8:$src, CL))]>;
1935 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src),
1936 "sar{w}\t{%cl, $dst|$dst, CL}",
1937 [(set GR16:$dst, (sra GR16:$src, CL))]>, OpSize;
1938 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src),
1939 "sar{l}\t{%cl, $dst|$dst, CL}",
1940 [(set GR32:$dst, (sra GR32:$src, CL))]>;
1943 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1944 "sar{b}\t{$src2, $dst|$dst, $src2}",
1945 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
1946 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1947 "sar{w}\t{$src2, $dst|$dst, $src2}",
1948 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
1950 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1951 "sar{l}\t{$src2, $dst|$dst, $src2}",
1952 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
1955 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
1957 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
1958 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
1960 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
1961 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
1963 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
1965 let isTwoAddress = 0 in {
1966 let Uses = [CL] in {
1967 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
1968 "sar{b}\t{%cl, $dst|$dst, CL}",
1969 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
1970 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
1971 "sar{w}\t{%cl, $dst|$dst, CL}",
1972 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1973 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
1974 "sar{l}\t{%cl, $dst|$dst, CL}",
1975 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
1977 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
1978 "sar{b}\t{$src, $dst|$dst, $src}",
1979 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1980 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
1981 "sar{w}\t{$src, $dst|$dst, $src}",
1982 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1984 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
1985 "sar{l}\t{$src, $dst|$dst, $src}",
1986 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1989 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
1991 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1992 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
1994 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1996 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
1998 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2001 // Rotate instructions
2002 // FIXME: provide shorter instructions when imm8 == 1
2003 let Uses = [CL] in {
2004 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),
2005 "rol{b}\t{%cl, $dst|$dst, CL}",
2006 [(set GR8:$dst, (rotl GR8:$src, CL))]>;
2007 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src),
2008 "rol{w}\t{%cl, $dst|$dst, CL}",
2009 [(set GR16:$dst, (rotl GR16:$src, CL))]>, OpSize;
2010 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src),
2011 "rol{l}\t{%cl, $dst|$dst, CL}",
2012 [(set GR32:$dst, (rotl GR32:$src, CL))]>;
2015 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2016 "rol{b}\t{$src2, $dst|$dst, $src2}",
2017 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
2018 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2019 "rol{w}\t{$src2, $dst|$dst, $src2}",
2020 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2021 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2022 "rol{l}\t{$src2, $dst|$dst, $src2}",
2023 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
2026 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
2028 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
2029 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
2031 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
2032 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
2034 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
2036 let isTwoAddress = 0 in {
2037 let Uses = [CL] in {
2038 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
2039 "rol{b}\t{%cl, $dst|$dst, CL}",
2040 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
2041 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
2042 "rol{w}\t{%cl, $dst|$dst, CL}",
2043 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2044 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
2045 "rol{l}\t{%cl, $dst|$dst, CL}",
2046 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
2048 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
2049 "rol{b}\t{$src, $dst|$dst, $src}",
2050 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2051 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
2052 "rol{w}\t{$src, $dst|$dst, $src}",
2053 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2055 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
2056 "rol{l}\t{$src, $dst|$dst, $src}",
2057 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2060 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
2062 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2063 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
2065 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2067 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
2069 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2072 let Uses = [CL] in {
2073 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),
2074 "ror{b}\t{%cl, $dst|$dst, CL}",
2075 [(set GR8:$dst, (rotr GR8:$src, CL))]>;
2076 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src),
2077 "ror{w}\t{%cl, $dst|$dst, CL}",
2078 [(set GR16:$dst, (rotr GR16:$src, CL))]>, OpSize;
2079 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src),
2080 "ror{l}\t{%cl, $dst|$dst, CL}",
2081 [(set GR32:$dst, (rotr GR32:$src, CL))]>;
2084 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2085 "ror{b}\t{$src2, $dst|$dst, $src2}",
2086 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
2087 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2088 "ror{w}\t{$src2, $dst|$dst, $src2}",
2089 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2090 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2091 "ror{l}\t{$src2, $dst|$dst, $src2}",
2092 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
2095 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2097 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
2098 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2100 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
2101 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2103 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
2105 let isTwoAddress = 0 in {
2106 let Uses = [CL] in {
2107 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
2108 "ror{b}\t{%cl, $dst|$dst, CL}",
2109 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
2110 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
2111 "ror{w}\t{%cl, $dst|$dst, CL}",
2112 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2113 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
2114 "ror{l}\t{%cl, $dst|$dst, CL}",
2115 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
2117 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2118 "ror{b}\t{$src, $dst|$dst, $src}",
2119 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2120 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
2121 "ror{w}\t{$src, $dst|$dst, $src}",
2122 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2124 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
2125 "ror{l}\t{$src, $dst|$dst, $src}",
2126 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2129 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
2131 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2132 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
2134 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2136 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
2138 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2143 // Double shift instructions (generalizations of rotate)
2144 let Uses = [CL] in {
2145 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2146 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2147 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
2148 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2149 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2150 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
2151 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2152 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2153 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
2155 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2156 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2157 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
2161 let isCommutable = 1 in { // These instructions commute to each other.
2162 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
2163 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2164 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2165 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
2168 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
2169 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2170 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2171 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
2174 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
2175 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2176 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2177 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
2180 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
2181 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2182 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2183 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
2188 let isTwoAddress = 0 in {
2189 let Uses = [CL] in {
2190 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2191 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2192 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
2194 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2195 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2196 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
2199 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
2200 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2201 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2202 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
2203 (i8 imm:$src3)), addr:$dst)]>,
2205 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
2206 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2207 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2208 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
2209 (i8 imm:$src3)), addr:$dst)]>,
2212 let Uses = [CL] in {
2213 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2214 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2215 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
2216 addr:$dst)]>, TB, OpSize;
2217 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2218 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2219 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
2220 addr:$dst)]>, TB, OpSize;
2222 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
2223 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2224 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2225 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
2226 (i8 imm:$src3)), addr:$dst)]>,
2228 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
2229 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2230 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2231 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
2232 (i8 imm:$src3)), addr:$dst)]>,
2235 } // Defs = [EFLAGS]
2239 let Defs = [EFLAGS] in {
2240 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
2241 // Register-Register Addition
2242 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
2243 (ins GR8 :$src1, GR8 :$src2),
2244 "add{b}\t{$src2, $dst|$dst, $src2}",
2245 [(set GR8:$dst, (add GR8:$src1, GR8:$src2)),
2246 (implicit EFLAGS)]>;
2248 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2249 // Register-Register Addition
2250 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
2251 (ins GR16:$src1, GR16:$src2),
2252 "add{w}\t{$src2, $dst|$dst, $src2}",
2253 [(set GR16:$dst, (add GR16:$src1, GR16:$src2)),
2254 (implicit EFLAGS)]>, OpSize;
2255 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
2256 (ins GR32:$src1, GR32:$src2),
2257 "add{l}\t{$src2, $dst|$dst, $src2}",
2258 [(set GR32:$dst, (add GR32:$src1, GR32:$src2)),
2259 (implicit EFLAGS)]>;
2260 } // end isConvertibleToThreeAddress
2261 } // end isCommutable
2263 // Register-Memory Addition
2264 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
2265 (ins GR8 :$src1, i8mem :$src2),
2266 "add{b}\t{$src2, $dst|$dst, $src2}",
2267 [(set GR8:$dst, (add GR8:$src1, (load addr:$src2))),
2268 (implicit EFLAGS)]>;
2269 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
2270 (ins GR16:$src1, i16mem:$src2),
2271 "add{w}\t{$src2, $dst|$dst, $src2}",
2272 [(set GR16:$dst, (add GR16:$src1, (load addr:$src2))),
2273 (implicit EFLAGS)]>, OpSize;
2274 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
2275 (ins GR32:$src1, i32mem:$src2),
2276 "add{l}\t{$src2, $dst|$dst, $src2}",
2277 [(set GR32:$dst, (add GR32:$src1, (load addr:$src2))),
2278 (implicit EFLAGS)]>;
2280 // Register-Integer Addition
2281 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2282 "add{b}\t{$src2, $dst|$dst, $src2}",
2283 [(set GR8:$dst, (add GR8:$src1, imm:$src2)),
2284 (implicit EFLAGS)]>;
2286 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2287 // Register-Integer Addition
2288 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
2289 (ins GR16:$src1, i16imm:$src2),
2290 "add{w}\t{$src2, $dst|$dst, $src2}",
2291 [(set GR16:$dst, (add GR16:$src1, imm:$src2)),
2292 (implicit EFLAGS)]>, OpSize;
2293 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2294 (ins GR32:$src1, i32imm:$src2),
2295 "add{l}\t{$src2, $dst|$dst, $src2}",
2296 [(set GR32:$dst, (add GR32:$src1, imm:$src2)),
2297 (implicit EFLAGS)]>;
2298 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2299 (ins GR16:$src1, i16i8imm:$src2),
2300 "add{w}\t{$src2, $dst|$dst, $src2}",
2301 [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2)),
2302 (implicit EFLAGS)]>, OpSize;
2303 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2304 (ins GR32:$src1, i32i8imm:$src2),
2305 "add{l}\t{$src2, $dst|$dst, $src2}",
2306 [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2)),
2307 (implicit EFLAGS)]>;
2310 let isTwoAddress = 0 in {
2311 // Memory-Register Addition
2312 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2313 "add{b}\t{$src2, $dst|$dst, $src2}",
2314 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2315 (implicit EFLAGS)]>;
2316 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2317 "add{w}\t{$src2, $dst|$dst, $src2}",
2318 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2319 (implicit EFLAGS)]>, OpSize;
2320 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2321 "add{l}\t{$src2, $dst|$dst, $src2}",
2322 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2323 (implicit EFLAGS)]>;
2324 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2325 "add{b}\t{$src2, $dst|$dst, $src2}",
2326 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2327 (implicit EFLAGS)]>;
2328 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2329 "add{w}\t{$src2, $dst|$dst, $src2}",
2330 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2331 (implicit EFLAGS)]>, OpSize;
2332 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2333 "add{l}\t{$src2, $dst|$dst, $src2}",
2334 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2335 (implicit EFLAGS)]>;
2336 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2337 "add{w}\t{$src2, $dst|$dst, $src2}",
2338 [(store (add (load addr:$dst), i16immSExt8:$src2),
2340 (implicit EFLAGS)]>, OpSize;
2341 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2342 "add{l}\t{$src2, $dst|$dst, $src2}",
2343 [(store (add (load addr:$dst), i32immSExt8:$src2),
2345 (implicit EFLAGS)]>;
2348 let Uses = [EFLAGS] in {
2349 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2350 def ADC8rr : I<0x10, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2351 "adc{b}\t{$src2, $dst|$dst, $src2}",
2352 [(set GR8:$dst, (adde GR8:$src1, GR8:$src2))]>;
2353 def ADC16rr : I<0x11, MRMDestReg, (outs GR16:$dst),
2354 (ins GR16:$src1, GR16:$src2),
2355 "adc{w}\t{$src2, $dst|$dst, $src2}",
2356 [(set GR16:$dst, (adde GR16:$src1, GR16:$src2))]>, OpSize;
2357 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst),
2358 (ins GR32:$src1, GR32:$src2),
2359 "adc{l}\t{$src2, $dst|$dst, $src2}",
2360 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2362 def ADC8rm : I<0x12, MRMSrcMem , (outs GR8:$dst),
2363 (ins GR8:$src1, i8mem:$src2),
2364 "adc{b}\t{$src2, $dst|$dst, $src2}",
2365 [(set GR8:$dst, (adde GR8:$src1, (load addr:$src2)))]>;
2366 def ADC16rm : I<0x13, MRMSrcMem , (outs GR16:$dst),
2367 (ins GR16:$src1, i16mem:$src2),
2368 "adc{w}\t{$src2, $dst|$dst, $src2}",
2369 [(set GR16:$dst, (adde GR16:$src1, (load addr:$src2)))]>,
2371 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst),
2372 (ins GR32:$src1, i32mem:$src2),
2373 "adc{l}\t{$src2, $dst|$dst, $src2}",
2374 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2375 def ADC8ri : Ii8<0x80, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2376 "adc{b}\t{$src2, $dst|$dst, $src2}",
2377 [(set GR8:$dst, (adde GR8:$src1, imm:$src2))]>;
2378 def ADC16ri : Ii16<0x81, MRM2r, (outs GR16:$dst),
2379 (ins GR16:$src1, i16imm:$src2),
2380 "adc{w}\t{$src2, $dst|$dst, $src2}",
2381 [(set GR16:$dst, (adde GR16:$src1, imm:$src2))]>, OpSize;
2382 def ADC16ri8 : Ii8<0x83, MRM2r, (outs GR16:$dst),
2383 (ins GR16:$src1, i16i8imm:$src2),
2384 "adc{w}\t{$src2, $dst|$dst, $src2}",
2385 [(set GR16:$dst, (adde GR16:$src1, i16immSExt8:$src2))]>,
2387 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst),
2388 (ins GR32:$src1, i32imm:$src2),
2389 "adc{l}\t{$src2, $dst|$dst, $src2}",
2390 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2391 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst),
2392 (ins GR32:$src1, i32i8imm:$src2),
2393 "adc{l}\t{$src2, $dst|$dst, $src2}",
2394 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2396 let isTwoAddress = 0 in {
2397 def ADC8mr : I<0x10, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2398 "adc{b}\t{$src2, $dst|$dst, $src2}",
2399 [(store (adde (load addr:$dst), GR8:$src2), addr:$dst)]>;
2400 def ADC16mr : I<0x11, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2401 "adc{w}\t{$src2, $dst|$dst, $src2}",
2402 [(store (adde (load addr:$dst), GR16:$src2), addr:$dst)]>,
2404 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2405 "adc{l}\t{$src2, $dst|$dst, $src2}",
2406 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2407 def ADC8mi : Ii8<0x80, MRM2m, (outs), (ins i8mem:$dst, i8imm:$src2),
2408 "adc{b}\t{$src2, $dst|$dst, $src2}",
2409 [(store (adde (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2410 def ADC16mi : Ii16<0x81, MRM2m, (outs), (ins i16mem:$dst, i16imm:$src2),
2411 "adc{w}\t{$src2, $dst|$dst, $src2}",
2412 [(store (adde (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2414 def ADC16mi8 : Ii8<0x83, MRM2m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2415 "adc{w}\t{$src2, $dst|$dst, $src2}",
2416 [(store (adde (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2418 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2419 "adc{l}\t{$src2, $dst|$dst, $src2}",
2420 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2421 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2422 "adc{l}\t{$src2, $dst|$dst, $src2}",
2423 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2425 } // Uses = [EFLAGS]
2427 // Register-Register Subtraction
2428 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2429 "sub{b}\t{$src2, $dst|$dst, $src2}",
2430 [(set GR8:$dst, (sub GR8:$src1, GR8:$src2)),
2431 (implicit EFLAGS)]>;
2432 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2433 "sub{w}\t{$src2, $dst|$dst, $src2}",
2434 [(set GR16:$dst, (sub GR16:$src1, GR16:$src2)),
2435 (implicit EFLAGS)]>, OpSize;
2436 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2437 "sub{l}\t{$src2, $dst|$dst, $src2}",
2438 [(set GR32:$dst, (sub GR32:$src1, GR32:$src2)),
2439 (implicit EFLAGS)]>;
2441 // Register-Memory Subtraction
2442 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
2443 (ins GR8 :$src1, i8mem :$src2),
2444 "sub{b}\t{$src2, $dst|$dst, $src2}",
2445 [(set GR8:$dst, (sub GR8:$src1, (load addr:$src2))),
2446 (implicit EFLAGS)]>;
2447 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
2448 (ins GR16:$src1, i16mem:$src2),
2449 "sub{w}\t{$src2, $dst|$dst, $src2}",
2450 [(set GR16:$dst, (sub GR16:$src1, (load addr:$src2))),
2451 (implicit EFLAGS)]>, OpSize;
2452 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
2453 (ins GR32:$src1, i32mem:$src2),
2454 "sub{l}\t{$src2, $dst|$dst, $src2}",
2455 [(set GR32:$dst, (sub GR32:$src1, (load addr:$src2))),
2456 (implicit EFLAGS)]>;
2458 // Register-Integer Subtraction
2459 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
2460 (ins GR8:$src1, i8imm:$src2),
2461 "sub{b}\t{$src2, $dst|$dst, $src2}",
2462 [(set GR8:$dst, (sub GR8:$src1, imm:$src2)),
2463 (implicit EFLAGS)]>;
2464 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
2465 (ins GR16:$src1, i16imm:$src2),
2466 "sub{w}\t{$src2, $dst|$dst, $src2}",
2467 [(set GR16:$dst, (sub GR16:$src1, imm:$src2)),
2468 (implicit EFLAGS)]>, OpSize;
2469 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
2470 (ins GR32:$src1, i32imm:$src2),
2471 "sub{l}\t{$src2, $dst|$dst, $src2}",
2472 [(set GR32:$dst, (sub GR32:$src1, imm:$src2)),
2473 (implicit EFLAGS)]>;
2474 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
2475 (ins GR16:$src1, i16i8imm:$src2),
2476 "sub{w}\t{$src2, $dst|$dst, $src2}",
2477 [(set GR16:$dst, (sub GR16:$src1, i16immSExt8:$src2)),
2478 (implicit EFLAGS)]>, OpSize;
2479 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
2480 (ins GR32:$src1, i32i8imm:$src2),
2481 "sub{l}\t{$src2, $dst|$dst, $src2}",
2482 [(set GR32:$dst, (sub GR32:$src1, i32immSExt8:$src2)),
2483 (implicit EFLAGS)]>;
2485 let isTwoAddress = 0 in {
2486 // Memory-Register Subtraction
2487 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
2488 "sub{b}\t{$src2, $dst|$dst, $src2}",
2489 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
2490 (implicit EFLAGS)]>;
2491 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2492 "sub{w}\t{$src2, $dst|$dst, $src2}",
2493 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
2494 (implicit EFLAGS)]>, OpSize;
2495 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2496 "sub{l}\t{$src2, $dst|$dst, $src2}",
2497 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
2498 (implicit EFLAGS)]>;
2500 // Memory-Integer Subtraction
2501 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
2502 "sub{b}\t{$src2, $dst|$dst, $src2}",
2503 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
2504 (implicit EFLAGS)]>;
2505 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
2506 "sub{w}\t{$src2, $dst|$dst, $src2}",
2507 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
2508 (implicit EFLAGS)]>, OpSize;
2509 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
2510 "sub{l}\t{$src2, $dst|$dst, $src2}",
2511 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
2512 (implicit EFLAGS)]>;
2513 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2514 "sub{w}\t{$src2, $dst|$dst, $src2}",
2515 [(store (sub (load addr:$dst), i16immSExt8:$src2),
2517 (implicit EFLAGS)]>, OpSize;
2518 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2519 "sub{l}\t{$src2, $dst|$dst, $src2}",
2520 [(store (sub (load addr:$dst), i32immSExt8:$src2),
2522 (implicit EFLAGS)]>;
2525 let Uses = [EFLAGS] in {
2526 def SBB8rr : I<0x18, MRMDestReg, (outs GR8:$dst),
2527 (ins GR8:$src1, GR8:$src2),
2528 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2529 [(set GR8:$dst, (sube GR8:$src1, GR8:$src2))]>;
2530 def SBB16rr : I<0x19, MRMDestReg, (outs GR16:$dst),
2531 (ins GR16:$src1, GR16:$src2),
2532 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2533 [(set GR16:$dst, (sube GR16:$src1, GR16:$src2))]>, OpSize;
2534 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst),
2535 (ins GR32:$src1, GR32:$src2),
2536 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2537 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
2539 let isTwoAddress = 0 in {
2540 def SBB8mr : I<0x18, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2541 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2542 [(store (sube (load addr:$dst), GR8:$src2), addr:$dst)]>;
2543 def SBB16mr : I<0x19, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2544 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2545 [(store (sube (load addr:$dst), GR16:$src2), addr:$dst)]>,
2547 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2548 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2549 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
2550 def SBB8mi : Ii32<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
2551 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2552 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2553 def SBB16mi : Ii16<0x81, MRM3m, (outs), (ins i16mem:$dst, i16imm:$src2),
2554 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2555 [(store (sube (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2557 def SBB16mi8 : Ii8<0x83, MRM3m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2558 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2559 [(store (sube (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2561 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
2562 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2563 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2564 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2565 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2566 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2568 def SBB8rm : I<0x1A, MRMSrcMem, (outs GR8:$dst), (ins GR8:$src1, i8mem:$src2),
2569 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2570 [(set GR8:$dst, (sube GR8:$src1, (load addr:$src2)))]>;
2571 def SBB16rm : I<0x1B, MRMSrcMem, (outs GR16:$dst),
2572 (ins GR16:$src1, i16mem:$src2),
2573 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2574 [(set GR16:$dst, (sube GR16:$src1, (load addr:$src2)))]>,
2576 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst),
2577 (ins GR32:$src1, i32mem:$src2),
2578 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2579 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
2580 def SBB8ri : Ii8<0x80, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2581 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2582 [(set GR8:$dst, (sube GR8:$src1, imm:$src2))]>;
2583 def SBB16ri : Ii16<0x81, MRM3r, (outs GR16:$dst),
2584 (ins GR16:$src1, i16imm:$src2),
2585 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2586 [(set GR16:$dst, (sube GR16:$src1, imm:$src2))]>, OpSize;
2587 def SBB16ri8 : Ii8<0x83, MRM3r, (outs GR16:$dst),
2588 (ins GR16:$src1, i16i8imm:$src2),
2589 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2590 [(set GR16:$dst, (sube GR16:$src1, i16immSExt8:$src2))]>,
2592 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst),
2593 (ins GR32:$src1, i32imm:$src2),
2594 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2595 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
2596 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst),
2597 (ins GR32:$src1, i32i8imm:$src2),
2598 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2599 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
2600 } // Uses = [EFLAGS]
2601 } // Defs = [EFLAGS]
2603 let Defs = [EFLAGS] in {
2604 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
2605 // Register-Register Signed Integer Multiply
2606 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2607 "imul{w}\t{$src2, $dst|$dst, $src2}",
2608 [(set GR16:$dst, (mul GR16:$src1, GR16:$src2)),
2609 (implicit EFLAGS)]>, TB, OpSize;
2610 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2611 "imul{l}\t{$src2, $dst|$dst, $src2}",
2612 [(set GR32:$dst, (mul GR32:$src1, GR32:$src2)),
2613 (implicit EFLAGS)]>, TB;
2616 // Register-Memory Signed Integer Multiply
2617 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
2618 (ins GR16:$src1, i16mem:$src2),
2619 "imul{w}\t{$src2, $dst|$dst, $src2}",
2620 [(set GR16:$dst, (mul GR16:$src1, (load addr:$src2))),
2621 (implicit EFLAGS)]>, TB, OpSize;
2622 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2623 "imul{l}\t{$src2, $dst|$dst, $src2}",
2624 [(set GR32:$dst, (mul GR32:$src1, (load addr:$src2))),
2625 (implicit EFLAGS)]>, TB;
2626 } // Defs = [EFLAGS]
2627 } // end Two Address instructions
2629 // Suprisingly enough, these are not two address instructions!
2630 let Defs = [EFLAGS] in {
2631 // Register-Integer Signed Integer Multiply
2632 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
2633 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2634 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2635 [(set GR16:$dst, (mul GR16:$src1, imm:$src2)),
2636 (implicit EFLAGS)]>, OpSize;
2637 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
2638 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2639 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2640 [(set GR32:$dst, (mul GR32:$src1, imm:$src2)),
2641 (implicit EFLAGS)]>;
2642 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
2643 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2644 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2645 [(set GR16:$dst, (mul GR16:$src1, i16immSExt8:$src2)),
2646 (implicit EFLAGS)]>, OpSize;
2647 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
2648 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2649 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2650 [(set GR32:$dst, (mul GR32:$src1, i32immSExt8:$src2)),
2651 (implicit EFLAGS)]>;
2653 // Memory-Integer Signed Integer Multiply
2654 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
2655 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
2656 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2657 [(set GR16:$dst, (mul (load addr:$src1), imm:$src2)),
2658 (implicit EFLAGS)]>, OpSize;
2659 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
2660 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
2661 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2662 [(set GR32:$dst, (mul (load addr:$src1), imm:$src2)),
2663 (implicit EFLAGS)]>;
2664 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
2665 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
2666 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2667 [(set GR16:$dst, (mul (load addr:$src1),
2668 i16immSExt8:$src2)),
2669 (implicit EFLAGS)]>, OpSize;
2670 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
2671 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
2672 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2673 [(set GR32:$dst, (mul (load addr:$src1),
2674 i32immSExt8:$src2)),
2675 (implicit EFLAGS)]>;
2676 } // Defs = [EFLAGS]
2678 //===----------------------------------------------------------------------===//
2679 // Test instructions are just like AND, except they don't generate a result.
2681 let Defs = [EFLAGS] in {
2682 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
2683 def TEST8rr : I<0x84, MRMDestReg, (outs), (ins GR8:$src1, GR8:$src2),
2684 "test{b}\t{$src2, $src1|$src1, $src2}",
2685 [(X86cmp (and_su GR8:$src1, GR8:$src2), 0),
2686 (implicit EFLAGS)]>;
2687 def TEST16rr : I<0x85, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2688 "test{w}\t{$src2, $src1|$src1, $src2}",
2689 [(X86cmp (and_su GR16:$src1, GR16:$src2), 0),
2690 (implicit EFLAGS)]>,
2692 def TEST32rr : I<0x85, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2693 "test{l}\t{$src2, $src1|$src1, $src2}",
2694 [(X86cmp (and_su GR32:$src1, GR32:$src2), 0),
2695 (implicit EFLAGS)]>;
2698 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
2699 "test{b}\t{$src2, $src1|$src1, $src2}",
2700 [(X86cmp (and GR8:$src1, (loadi8 addr:$src2)), 0),
2701 (implicit EFLAGS)]>;
2702 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
2703 "test{w}\t{$src2, $src1|$src1, $src2}",
2704 [(X86cmp (and GR16:$src1, (loadi16 addr:$src2)), 0),
2705 (implicit EFLAGS)]>, OpSize;
2706 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
2707 "test{l}\t{$src2, $src1|$src1, $src2}",
2708 [(X86cmp (and GR32:$src1, (loadi32 addr:$src2)), 0),
2709 (implicit EFLAGS)]>;
2711 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
2712 (outs), (ins GR8:$src1, i8imm:$src2),
2713 "test{b}\t{$src2, $src1|$src1, $src2}",
2714 [(X86cmp (and_su GR8:$src1, imm:$src2), 0),
2715 (implicit EFLAGS)]>;
2716 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
2717 (outs), (ins GR16:$src1, i16imm:$src2),
2718 "test{w}\t{$src2, $src1|$src1, $src2}",
2719 [(X86cmp (and_su GR16:$src1, imm:$src2), 0),
2720 (implicit EFLAGS)]>, OpSize;
2721 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
2722 (outs), (ins GR32:$src1, i32imm:$src2),
2723 "test{l}\t{$src2, $src1|$src1, $src2}",
2724 [(X86cmp (and_su GR32:$src1, imm:$src2), 0),
2725 (implicit EFLAGS)]>;
2727 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
2728 (outs), (ins i8mem:$src1, i8imm:$src2),
2729 "test{b}\t{$src2, $src1|$src1, $src2}",
2730 [(X86cmp (and (loadi8 addr:$src1), imm:$src2), 0),
2731 (implicit EFLAGS)]>;
2732 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
2733 (outs), (ins i16mem:$src1, i16imm:$src2),
2734 "test{w}\t{$src2, $src1|$src1, $src2}",
2735 [(X86cmp (and (loadi16 addr:$src1), imm:$src2), 0),
2736 (implicit EFLAGS)]>, OpSize;
2737 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2738 (outs), (ins i32mem:$src1, i32imm:$src2),
2739 "test{l}\t{$src2, $src1|$src1, $src2}",
2740 [(X86cmp (and (loadi32 addr:$src1), imm:$src2), 0),
2741 (implicit EFLAGS)]>;
2742 } // Defs = [EFLAGS]
2745 // Condition code ops, incl. set if equal/not equal/...
2746 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
2747 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
2748 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
2749 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
2751 let Uses = [EFLAGS] in {
2752 def SETEr : I<0x94, MRM0r,
2753 (outs GR8 :$dst), (ins),
2755 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
2757 def SETEm : I<0x94, MRM0m,
2758 (outs), (ins i8mem:$dst),
2760 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
2763 def SETNEr : I<0x95, MRM0r,
2764 (outs GR8 :$dst), (ins),
2766 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
2768 def SETNEm : I<0x95, MRM0m,
2769 (outs), (ins i8mem:$dst),
2771 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
2774 def SETLr : I<0x9C, MRM0r,
2775 (outs GR8 :$dst), (ins),
2777 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
2778 TB; // GR8 = < signed
2779 def SETLm : I<0x9C, MRM0m,
2780 (outs), (ins i8mem:$dst),
2782 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
2783 TB; // [mem8] = < signed
2785 def SETGEr : I<0x9D, MRM0r,
2786 (outs GR8 :$dst), (ins),
2788 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
2789 TB; // GR8 = >= signed
2790 def SETGEm : I<0x9D, MRM0m,
2791 (outs), (ins i8mem:$dst),
2793 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
2794 TB; // [mem8] = >= signed
2796 def SETLEr : I<0x9E, MRM0r,
2797 (outs GR8 :$dst), (ins),
2799 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
2800 TB; // GR8 = <= signed
2801 def SETLEm : I<0x9E, MRM0m,
2802 (outs), (ins i8mem:$dst),
2804 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
2805 TB; // [mem8] = <= signed
2807 def SETGr : I<0x9F, MRM0r,
2808 (outs GR8 :$dst), (ins),
2810 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
2811 TB; // GR8 = > signed
2812 def SETGm : I<0x9F, MRM0m,
2813 (outs), (ins i8mem:$dst),
2815 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
2816 TB; // [mem8] = > signed
2818 def SETBr : I<0x92, MRM0r,
2819 (outs GR8 :$dst), (ins),
2821 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
2822 TB; // GR8 = < unsign
2823 def SETBm : I<0x92, MRM0m,
2824 (outs), (ins i8mem:$dst),
2826 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
2827 TB; // [mem8] = < unsign
2829 def SETAEr : I<0x93, MRM0r,
2830 (outs GR8 :$dst), (ins),
2832 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
2833 TB; // GR8 = >= unsign
2834 def SETAEm : I<0x93, MRM0m,
2835 (outs), (ins i8mem:$dst),
2837 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
2838 TB; // [mem8] = >= unsign
2840 def SETBEr : I<0x96, MRM0r,
2841 (outs GR8 :$dst), (ins),
2843 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
2844 TB; // GR8 = <= unsign
2845 def SETBEm : I<0x96, MRM0m,
2846 (outs), (ins i8mem:$dst),
2848 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
2849 TB; // [mem8] = <= unsign
2851 def SETAr : I<0x97, MRM0r,
2852 (outs GR8 :$dst), (ins),
2854 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
2855 TB; // GR8 = > signed
2856 def SETAm : I<0x97, MRM0m,
2857 (outs), (ins i8mem:$dst),
2859 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
2860 TB; // [mem8] = > signed
2862 def SETSr : I<0x98, MRM0r,
2863 (outs GR8 :$dst), (ins),
2865 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
2866 TB; // GR8 = <sign bit>
2867 def SETSm : I<0x98, MRM0m,
2868 (outs), (ins i8mem:$dst),
2870 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
2871 TB; // [mem8] = <sign bit>
2872 def SETNSr : I<0x99, MRM0r,
2873 (outs GR8 :$dst), (ins),
2875 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
2876 TB; // GR8 = !<sign bit>
2877 def SETNSm : I<0x99, MRM0m,
2878 (outs), (ins i8mem:$dst),
2880 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
2881 TB; // [mem8] = !<sign bit>
2883 def SETPr : I<0x9A, MRM0r,
2884 (outs GR8 :$dst), (ins),
2886 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
2888 def SETPm : I<0x9A, MRM0m,
2889 (outs), (ins i8mem:$dst),
2891 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
2892 TB; // [mem8] = parity
2893 def SETNPr : I<0x9B, MRM0r,
2894 (outs GR8 :$dst), (ins),
2896 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
2897 TB; // GR8 = not parity
2898 def SETNPm : I<0x9B, MRM0m,
2899 (outs), (ins i8mem:$dst),
2901 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
2902 TB; // [mem8] = not parity
2904 def SETOr : I<0x90, MRM0r,
2905 (outs GR8 :$dst), (ins),
2907 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
2908 TB; // GR8 = overflow
2909 def SETOm : I<0x90, MRM0m,
2910 (outs), (ins i8mem:$dst),
2912 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
2913 TB; // [mem8] = overflow
2914 def SETNOr : I<0x91, MRM0r,
2915 (outs GR8 :$dst), (ins),
2917 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
2918 TB; // GR8 = not overflow
2919 def SETNOm : I<0x91, MRM0m,
2920 (outs), (ins i8mem:$dst),
2922 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
2923 TB; // [mem8] = not overflow
2924 } // Uses = [EFLAGS]
2927 // Integer comparisons
2928 let Defs = [EFLAGS] in {
2929 def CMP8rr : I<0x38, MRMDestReg,
2930 (outs), (ins GR8 :$src1, GR8 :$src2),
2931 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2932 [(X86cmp GR8:$src1, GR8:$src2), (implicit EFLAGS)]>;
2933 def CMP16rr : I<0x39, MRMDestReg,
2934 (outs), (ins GR16:$src1, GR16:$src2),
2935 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2936 [(X86cmp GR16:$src1, GR16:$src2), (implicit EFLAGS)]>, OpSize;
2937 def CMP32rr : I<0x39, MRMDestReg,
2938 (outs), (ins GR32:$src1, GR32:$src2),
2939 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2940 [(X86cmp GR32:$src1, GR32:$src2), (implicit EFLAGS)]>;
2941 def CMP8mr : I<0x38, MRMDestMem,
2942 (outs), (ins i8mem :$src1, GR8 :$src2),
2943 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2944 [(X86cmp (loadi8 addr:$src1), GR8:$src2),
2945 (implicit EFLAGS)]>;
2946 def CMP16mr : I<0x39, MRMDestMem,
2947 (outs), (ins i16mem:$src1, GR16:$src2),
2948 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2949 [(X86cmp (loadi16 addr:$src1), GR16:$src2),
2950 (implicit EFLAGS)]>, OpSize;
2951 def CMP32mr : I<0x39, MRMDestMem,
2952 (outs), (ins i32mem:$src1, GR32:$src2),
2953 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2954 [(X86cmp (loadi32 addr:$src1), GR32:$src2),
2955 (implicit EFLAGS)]>;
2956 def CMP8rm : I<0x3A, MRMSrcMem,
2957 (outs), (ins GR8 :$src1, i8mem :$src2),
2958 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2959 [(X86cmp GR8:$src1, (loadi8 addr:$src2)),
2960 (implicit EFLAGS)]>;
2961 def CMP16rm : I<0x3B, MRMSrcMem,
2962 (outs), (ins GR16:$src1, i16mem:$src2),
2963 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2964 [(X86cmp GR16:$src1, (loadi16 addr:$src2)),
2965 (implicit EFLAGS)]>, OpSize;
2966 def CMP32rm : I<0x3B, MRMSrcMem,
2967 (outs), (ins GR32:$src1, i32mem:$src2),
2968 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2969 [(X86cmp GR32:$src1, (loadi32 addr:$src2)),
2970 (implicit EFLAGS)]>;
2971 def CMP8ri : Ii8<0x80, MRM7r,
2972 (outs), (ins GR8:$src1, i8imm:$src2),
2973 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2974 [(X86cmp GR8:$src1, imm:$src2), (implicit EFLAGS)]>;
2975 def CMP16ri : Ii16<0x81, MRM7r,
2976 (outs), (ins GR16:$src1, i16imm:$src2),
2977 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2978 [(X86cmp GR16:$src1, imm:$src2),
2979 (implicit EFLAGS)]>, OpSize;
2980 def CMP32ri : Ii32<0x81, MRM7r,
2981 (outs), (ins GR32:$src1, i32imm:$src2),
2982 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2983 [(X86cmp GR32:$src1, imm:$src2), (implicit EFLAGS)]>;
2984 def CMP8mi : Ii8 <0x80, MRM7m,
2985 (outs), (ins i8mem :$src1, i8imm :$src2),
2986 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2987 [(X86cmp (loadi8 addr:$src1), imm:$src2),
2988 (implicit EFLAGS)]>;
2989 def CMP16mi : Ii16<0x81, MRM7m,
2990 (outs), (ins i16mem:$src1, i16imm:$src2),
2991 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2992 [(X86cmp (loadi16 addr:$src1), imm:$src2),
2993 (implicit EFLAGS)]>, OpSize;
2994 def CMP32mi : Ii32<0x81, MRM7m,
2995 (outs), (ins i32mem:$src1, i32imm:$src2),
2996 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2997 [(X86cmp (loadi32 addr:$src1), imm:$src2),
2998 (implicit EFLAGS)]>;
2999 def CMP16ri8 : Ii8<0x83, MRM7r,
3000 (outs), (ins GR16:$src1, i16i8imm:$src2),
3001 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3002 [(X86cmp GR16:$src1, i16immSExt8:$src2),
3003 (implicit EFLAGS)]>, OpSize;
3004 def CMP16mi8 : Ii8<0x83, MRM7m,
3005 (outs), (ins i16mem:$src1, i16i8imm:$src2),
3006 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3007 [(X86cmp (loadi16 addr:$src1), i16immSExt8:$src2),
3008 (implicit EFLAGS)]>, OpSize;
3009 def CMP32mi8 : Ii8<0x83, MRM7m,
3010 (outs), (ins i32mem:$src1, i32i8imm:$src2),
3011 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3012 [(X86cmp (loadi32 addr:$src1), i32immSExt8:$src2),
3013 (implicit EFLAGS)]>;
3014 def CMP32ri8 : Ii8<0x83, MRM7r,
3015 (outs), (ins GR32:$src1, i32i8imm:$src2),
3016 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3017 [(X86cmp GR32:$src1, i32immSExt8:$src2),
3018 (implicit EFLAGS)]>;
3019 } // Defs = [EFLAGS]
3022 // TODO: BTC, BTR, and BTS
3023 let Defs = [EFLAGS] in {
3024 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3025 "bt{w}\t{$src2, $src1|$src1, $src2}",
3026 [(X86bt GR16:$src1, GR16:$src2),
3027 (implicit EFLAGS)]>, OpSize, TB;
3028 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3029 "bt{l}\t{$src2, $src1|$src1, $src2}",
3030 [(X86bt GR32:$src1, GR32:$src2),
3031 (implicit EFLAGS)]>, TB;
3033 // Unlike with the register+register form, the memory+register form of the
3034 // bt instruction does not ignore the high bits of the index. From ISel's
3035 // perspective, this is pretty bizarre. Disable these instructions for now.
3036 //def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3037 // "bt{w}\t{$src2, $src1|$src1, $src2}",
3038 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
3039 // (implicit EFLAGS)]>, OpSize, TB, Requires<[FastBTMem]>;
3040 //def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3041 // "bt{l}\t{$src2, $src1|$src1, $src2}",
3042 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
3043 // (implicit EFLAGS)]>, TB, Requires<[FastBTMem]>;
3045 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3046 "bt{w}\t{$src2, $src1|$src1, $src2}",
3047 [(X86bt GR16:$src1, i16immSExt8:$src2),
3048 (implicit EFLAGS)]>, OpSize, TB;
3049 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3050 "bt{l}\t{$src2, $src1|$src1, $src2}",
3051 [(X86bt GR32:$src1, i32immSExt8:$src2),
3052 (implicit EFLAGS)]>, TB;
3053 // Note that these instructions don't need FastBTMem because that
3054 // only applies when the other operand is in a register. When it's
3055 // an immediate, bt is still fast.
3056 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3057 "bt{w}\t{$src2, $src1|$src1, $src2}",
3058 [(X86bt (loadi16 addr:$src1), i16immSExt8:$src2),
3059 (implicit EFLAGS)]>, OpSize, TB;
3060 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3061 "bt{l}\t{$src2, $src1|$src1, $src2}",
3062 [(X86bt (loadi32 addr:$src1), i32immSExt8:$src2),
3063 (implicit EFLAGS)]>, TB;
3064 } // Defs = [EFLAGS]
3066 // Sign/Zero extenders
3067 // Use movsbl intead of movsbw; we don't care about the high 16 bits
3068 // of the register here. This has a smaller encoding and avoids a
3069 // partial-register update.
3070 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3071 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3072 [(set GR16:$dst, (sext GR8:$src))]>, TB;
3073 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3074 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3075 [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
3076 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3077 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3078 [(set GR32:$dst, (sext GR8:$src))]>, TB;
3079 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3080 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3081 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
3082 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3083 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3084 [(set GR32:$dst, (sext GR16:$src))]>, TB;
3085 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3086 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3087 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
3089 // Use movzbl intead of movzbw; we don't care about the high 16 bits
3090 // of the register here. This has a smaller encoding and avoids a
3091 // partial-register update.
3092 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3093 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3094 [(set GR16:$dst, (zext GR8:$src))]>, TB;
3095 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3096 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3097 [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
3098 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3099 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3100 [(set GR32:$dst, (zext GR8:$src))]>, TB;
3101 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3102 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3103 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
3104 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3105 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3106 [(set GR32:$dst, (zext GR16:$src))]>, TB;
3107 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3108 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3109 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
3111 // These are the same as the regular regular MOVZX32rr8 and MOVZX32rm8
3112 // except that they use GR32_NOREX for the output operand register class
3113 // instead of GR32. This allows them to operate on h registers on x86-64.
3114 def MOVZX32_NOREXrr8 : I<0xB6, MRMSrcReg,
3115 (outs GR32_NOREX:$dst), (ins GR8:$src),
3116 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3119 def MOVZX32_NOREXrm8 : I<0xB6, MRMSrcMem,
3120 (outs GR32_NOREX:$dst), (ins i8mem:$src),
3121 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3124 let neverHasSideEffects = 1 in {
3125 let Defs = [AX], Uses = [AL] in
3126 def CBW : I<0x98, RawFrm, (outs), (ins),
3127 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
3128 let Defs = [EAX], Uses = [AX] in
3129 def CWDE : I<0x98, RawFrm, (outs), (ins),
3130 "{cwtl|cwde}", []>; // EAX = signext(AX)
3132 let Defs = [AX,DX], Uses = [AX] in
3133 def CWD : I<0x99, RawFrm, (outs), (ins),
3134 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
3135 let Defs = [EAX,EDX], Uses = [EAX] in
3136 def CDQ : I<0x99, RawFrm, (outs), (ins),
3137 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
3140 //===----------------------------------------------------------------------===//
3141 // Alias Instructions
3142 //===----------------------------------------------------------------------===//
3144 // Alias instructions that map movr0 to xor.
3145 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
3146 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1 in {
3147 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins),
3148 "xor{b}\t$dst, $dst",
3149 [(set GR8:$dst, 0)]>;
3150 // Use xorl instead of xorw since we don't care about the high 16 bits,
3151 // it's smaller, and it avoids a partial-register update.
3152 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
3153 "xor{l}\t${dst:subreg32}, ${dst:subreg32}",
3154 [(set GR16:$dst, 0)]>;
3155 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins),
3156 "xor{l}\t$dst, $dst",
3157 [(set GR32:$dst, 0)]>;
3160 //===----------------------------------------------------------------------===//
3161 // Thread Local Storage Instructions
3164 // All calls clobber the non-callee saved registers. ESP is marked as
3165 // a use to prevent stack-pointer assignments that appear immediately
3166 // before calls from potentially appearing dead.
3167 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
3168 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
3169 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
3170 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
3172 def TLS_addr32 : I<0, Pseudo, (outs), (ins lea32mem:$sym),
3173 "leal\t$sym, %eax; "
3174 "call\t___tls_get_addr@PLT",
3175 [(X86tlsaddr tls32addr:$sym)]>,
3176 Requires<[In32BitMode]>;
3178 let AddedComplexity = 5 in
3179 def GS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3180 "movl\t%gs:$src, $dst",
3181 [(set GR32:$dst, (gsload addr:$src))]>, SegGS;
3183 let AddedComplexity = 5 in
3184 def FS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3185 "movl\t%fs:$src, $dst",
3186 [(set GR32:$dst, (fsload addr:$src))]>, SegFS;
3188 //===----------------------------------------------------------------------===//
3189 // DWARF Pseudo Instructions
3192 def DWARF_LOC : I<0, Pseudo, (outs),
3193 (ins i32imm:$line, i32imm:$col, i32imm:$file),
3194 ".loc\t$file $line $col",
3195 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
3198 //===----------------------------------------------------------------------===//
3199 // EH Pseudo Instructions
3201 let isTerminator = 1, isReturn = 1, isBarrier = 1,
3203 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
3204 "ret\t#eh_return, addr: $addr",
3205 [(X86ehret GR32:$addr)]>;
3209 //===----------------------------------------------------------------------===//
3213 // Atomic swap. These are just normal xchg instructions. But since a memory
3214 // operand is referenced, the atomicity is ensured.
3215 let Constraints = "$val = $dst" in {
3216 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3217 "xchg{l}\t{$val, $ptr|$ptr, $val}",
3218 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
3219 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3220 "xchg{w}\t{$val, $ptr|$ptr, $val}",
3221 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
3223 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
3224 "xchg{b}\t{$val, $ptr|$ptr, $val}",
3225 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
3228 // Atomic compare and swap.
3229 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
3230 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
3232 "cmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
3233 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
3235 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
3236 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i32mem:$ptr),
3239 [(X86cas8 addr:$ptr)]>, TB, LOCK;
3242 let Defs = [AX, EFLAGS], Uses = [AX] in {
3243 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
3245 "cmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
3246 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
3248 let Defs = [AL, EFLAGS], Uses = [AL] in {
3249 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
3251 "cmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
3252 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
3255 // Atomic exchange and add
3256 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
3257 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3259 "xadd{l}\t{$val, $ptr|$ptr, $val}",
3260 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
3262 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3264 "xadd{w}\t{$val, $ptr|$ptr, $val}",
3265 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
3267 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
3269 "xadd{b}\t{$val, $ptr|$ptr, $val}",
3270 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
3274 // Optimized codegen when the non-memory output is not used.
3275 // FIXME: Use normal add / sub instructions and add lock prefix dynamically.
3276 def LOCK_ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
3278 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3279 def LOCK_ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3281 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3282 def LOCK_ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3284 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3285 def LOCK_ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
3287 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3288 def LOCK_ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
3290 "add{w}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3291 def LOCK_ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
3293 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3294 def LOCK_ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3296 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3297 def LOCK_ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3299 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3301 def LOCK_INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst),
3303 "inc{b}\t$dst", []>, LOCK;
3304 def LOCK_INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst),
3306 "inc{w}\t$dst", []>, OpSize, LOCK;
3307 def LOCK_INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst),
3309 "inc{l}\t$dst", []>, LOCK;
3311 def LOCK_SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
3313 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3314 def LOCK_SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3316 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3317 def LOCK_SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3319 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3320 def LOCK_SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
3322 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3323 def LOCK_SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
3325 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3326 def LOCK_SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
3328 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3329 def LOCK_SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3331 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3332 def LOCK_SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3334 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3336 def LOCK_DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst),
3338 "dec{b}\t$dst", []>, LOCK;
3339 def LOCK_DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst),
3341 "dec{w}\t$dst", []>, OpSize, LOCK;
3342 def LOCK_DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst),
3344 "dec{l}\t$dst", []>, LOCK;
3346 // Atomic exchange, and, or, xor
3347 let Constraints = "$val = $dst", Defs = [EFLAGS],
3348 usesCustomDAGSchedInserter = 1 in {
3349 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3350 "#ATOMAND32 PSEUDO!",
3351 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
3352 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3353 "#ATOMOR32 PSEUDO!",
3354 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
3355 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3356 "#ATOMXOR32 PSEUDO!",
3357 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
3358 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3359 "#ATOMNAND32 PSEUDO!",
3360 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
3361 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3362 "#ATOMMIN32 PSEUDO!",
3363 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
3364 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3365 "#ATOMMAX32 PSEUDO!",
3366 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
3367 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3368 "#ATOMUMIN32 PSEUDO!",
3369 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
3370 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3371 "#ATOMUMAX32 PSEUDO!",
3372 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
3374 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3375 "#ATOMAND16 PSEUDO!",
3376 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
3377 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3378 "#ATOMOR16 PSEUDO!",
3379 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
3380 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3381 "#ATOMXOR16 PSEUDO!",
3382 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
3383 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3384 "#ATOMNAND16 PSEUDO!",
3385 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
3386 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3387 "#ATOMMIN16 PSEUDO!",
3388 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
3389 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3390 "#ATOMMAX16 PSEUDO!",
3391 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
3392 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3393 "#ATOMUMIN16 PSEUDO!",
3394 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
3395 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3396 "#ATOMUMAX16 PSEUDO!",
3397 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
3399 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3400 "#ATOMAND8 PSEUDO!",
3401 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
3402 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3404 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
3405 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3406 "#ATOMXOR8 PSEUDO!",
3407 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
3408 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3409 "#ATOMNAND8 PSEUDO!",
3410 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
3413 let Constraints = "$val1 = $dst1, $val2 = $dst2",
3414 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
3415 Uses = [EAX, EBX, ECX, EDX],
3416 mayLoad = 1, mayStore = 1,
3417 usesCustomDAGSchedInserter = 1 in {
3418 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3419 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3420 "#ATOMAND6432 PSEUDO!", []>;
3421 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3422 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3423 "#ATOMOR6432 PSEUDO!", []>;
3424 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3425 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3426 "#ATOMXOR6432 PSEUDO!", []>;
3427 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3428 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3429 "#ATOMNAND6432 PSEUDO!", []>;
3430 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3431 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3432 "#ATOMADD6432 PSEUDO!", []>;
3433 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3434 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3435 "#ATOMSUB6432 PSEUDO!", []>;
3436 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3437 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3438 "#ATOMSWAP6432 PSEUDO!", []>;
3441 //===----------------------------------------------------------------------===//
3442 // Non-Instruction Patterns
3443 //===----------------------------------------------------------------------===//
3445 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
3446 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
3447 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
3448 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
3449 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
3450 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
3452 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
3453 (ADD32ri GR32:$src1, tconstpool:$src2)>;
3454 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
3455 (ADD32ri GR32:$src1, tjumptable:$src2)>;
3456 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
3457 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
3458 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
3459 (ADD32ri GR32:$src1, texternalsym:$src2)>;
3461 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
3462 (MOV32mi addr:$dst, tglobaladdr:$src)>;
3463 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
3464 (MOV32mi addr:$dst, texternalsym:$src)>;
3468 def : Pat<(X86tcret GR32:$dst, imm:$off),
3469 (TCRETURNri GR32:$dst, imm:$off)>;
3471 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
3472 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3474 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
3475 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3477 // Normal calls, with various flavors of addresses.
3478 def : Pat<(X86call (i32 tglobaladdr:$dst)),
3479 (CALLpcrel32 tglobaladdr:$dst)>;
3480 def : Pat<(X86call (i32 texternalsym:$dst)),
3481 (CALLpcrel32 texternalsym:$dst)>;
3482 def : Pat<(X86call (i32 imm:$dst)),
3483 (CALLpcrel32 imm:$dst)>, Requires<[CallImmAddr]>;
3485 // X86 specific add which produces a flag.
3486 def : Pat<(addc GR32:$src1, GR32:$src2),
3487 (ADD32rr GR32:$src1, GR32:$src2)>;
3488 def : Pat<(addc GR32:$src1, (load addr:$src2)),
3489 (ADD32rm GR32:$src1, addr:$src2)>;
3490 def : Pat<(addc GR32:$src1, imm:$src2),
3491 (ADD32ri GR32:$src1, imm:$src2)>;
3492 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
3493 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
3495 def : Pat<(subc GR32:$src1, GR32:$src2),
3496 (SUB32rr GR32:$src1, GR32:$src2)>;
3497 def : Pat<(subc GR32:$src1, (load addr:$src2)),
3498 (SUB32rm GR32:$src1, addr:$src2)>;
3499 def : Pat<(subc GR32:$src1, imm:$src2),
3500 (SUB32ri GR32:$src1, imm:$src2)>;
3501 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
3502 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
3506 // TEST R,R is smaller than CMP R,0
3507 def : Pat<(parallel (X86cmp GR8:$src1, 0), (implicit EFLAGS)),
3508 (TEST8rr GR8:$src1, GR8:$src1)>;
3509 def : Pat<(parallel (X86cmp GR16:$src1, 0), (implicit EFLAGS)),
3510 (TEST16rr GR16:$src1, GR16:$src1)>;
3511 def : Pat<(parallel (X86cmp GR32:$src1, 0), (implicit EFLAGS)),
3512 (TEST32rr GR32:$src1, GR32:$src1)>;
3514 // Conditional moves with folded loads with operands swapped and conditions
3516 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_B, EFLAGS),
3517 (CMOVAE16rm GR16:$src2, addr:$src1)>;
3518 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_B, EFLAGS),
3519 (CMOVAE32rm GR32:$src2, addr:$src1)>;
3520 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_AE, EFLAGS),
3521 (CMOVB16rm GR16:$src2, addr:$src1)>;
3522 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_AE, EFLAGS),
3523 (CMOVB32rm GR32:$src2, addr:$src1)>;
3524 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_E, EFLAGS),
3525 (CMOVNE16rm GR16:$src2, addr:$src1)>;
3526 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_E, EFLAGS),
3527 (CMOVNE32rm GR32:$src2, addr:$src1)>;
3528 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NE, EFLAGS),
3529 (CMOVE16rm GR16:$src2, addr:$src1)>;
3530 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NE, EFLAGS),
3531 (CMOVE32rm GR32:$src2, addr:$src1)>;
3532 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_BE, EFLAGS),
3533 (CMOVA16rm GR16:$src2, addr:$src1)>;
3534 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_BE, EFLAGS),
3535 (CMOVA32rm GR32:$src2, addr:$src1)>;
3536 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_A, EFLAGS),
3537 (CMOVBE16rm GR16:$src2, addr:$src1)>;
3538 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_A, EFLAGS),
3539 (CMOVBE32rm GR32:$src2, addr:$src1)>;
3540 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_L, EFLAGS),
3541 (CMOVGE16rm GR16:$src2, addr:$src1)>;
3542 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_L, EFLAGS),
3543 (CMOVGE32rm GR32:$src2, addr:$src1)>;
3544 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_GE, EFLAGS),
3545 (CMOVL16rm GR16:$src2, addr:$src1)>;
3546 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_GE, EFLAGS),
3547 (CMOVL32rm GR32:$src2, addr:$src1)>;
3548 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_LE, EFLAGS),
3549 (CMOVG16rm GR16:$src2, addr:$src1)>;
3550 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_LE, EFLAGS),
3551 (CMOVG32rm GR32:$src2, addr:$src1)>;
3552 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_G, EFLAGS),
3553 (CMOVLE16rm GR16:$src2, addr:$src1)>;
3554 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_G, EFLAGS),
3555 (CMOVLE32rm GR32:$src2, addr:$src1)>;
3556 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_P, EFLAGS),
3557 (CMOVNP16rm GR16:$src2, addr:$src1)>;
3558 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_P, EFLAGS),
3559 (CMOVNP32rm GR32:$src2, addr:$src1)>;
3560 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NP, EFLAGS),
3561 (CMOVP16rm GR16:$src2, addr:$src1)>;
3562 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NP, EFLAGS),
3563 (CMOVP32rm GR32:$src2, addr:$src1)>;
3564 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_S, EFLAGS),
3565 (CMOVNS16rm GR16:$src2, addr:$src1)>;
3566 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_S, EFLAGS),
3567 (CMOVNS32rm GR32:$src2, addr:$src1)>;
3568 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NS, EFLAGS),
3569 (CMOVS16rm GR16:$src2, addr:$src1)>;
3570 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NS, EFLAGS),
3571 (CMOVS32rm GR32:$src2, addr:$src1)>;
3572 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_O, EFLAGS),
3573 (CMOVNO16rm GR16:$src2, addr:$src1)>;
3574 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_O, EFLAGS),
3575 (CMOVNO32rm GR32:$src2, addr:$src1)>;
3576 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NO, EFLAGS),
3577 (CMOVO16rm GR16:$src2, addr:$src1)>;
3578 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NO, EFLAGS),
3579 (CMOVO32rm GR32:$src2, addr:$src1)>;
3581 // zextload bool -> zextload byte
3582 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3583 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
3584 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3586 // extload bool -> extload byte
3587 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3588 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>,
3589 Requires<[In32BitMode]>;
3590 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3591 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>,
3592 Requires<[In32BitMode]>;
3593 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
3594 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
3597 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>,
3598 Requires<[In32BitMode]>;
3599 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>,
3600 Requires<[In32BitMode]>;
3601 def : Pat<(i32 (anyext GR16:$src)),
3602 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR16:$src, x86_subreg_16bit)>;
3604 // (and (i32 load), 255) -> (zextload i8)
3605 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 255))),
3606 (MOVZX32rm8 addr:$src)>;
3607 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 65535))),
3608 (MOVZX32rm16 addr:$src)>;
3610 //===----------------------------------------------------------------------===//
3612 //===----------------------------------------------------------------------===//
3614 // Odd encoding trick: -128 fits into an 8-bit immediate field while
3615 // +128 doesn't, so in this special case use a sub instead of an add.
3616 def : Pat<(add GR16:$src1, 128),
3617 (SUB16ri8 GR16:$src1, -128)>;
3618 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
3619 (SUB16mi8 addr:$dst, -128)>;
3620 def : Pat<(add GR32:$src1, 128),
3621 (SUB32ri8 GR32:$src1, -128)>;
3622 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
3623 (SUB32mi8 addr:$dst, -128)>;
3625 // r & (2^16-1) ==> movz
3626 def : Pat<(and GR32:$src1, 0xffff),
3627 (MOVZX32rr16 (EXTRACT_SUBREG GR32:$src1, x86_subreg_16bit))>;
3628 // r & (2^8-1) ==> movz
3629 def : Pat<(and GR32:$src1, 0xff),
3630 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src1, GR32_ABCD),
3632 Requires<[In32BitMode]>;
3633 // r & (2^8-1) ==> movz
3634 def : Pat<(and GR16:$src1, 0xff),
3635 (MOVZX16rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src1, GR16_ABCD),
3637 Requires<[In32BitMode]>;
3639 // sext_inreg patterns
3640 def : Pat<(sext_inreg GR32:$src, i16),
3641 (MOVSX32rr16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
3642 def : Pat<(sext_inreg GR32:$src, i8),
3643 (MOVSX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3645 Requires<[In32BitMode]>;
3646 def : Pat<(sext_inreg GR16:$src, i8),
3647 (MOVSX16rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3649 Requires<[In32BitMode]>;
3652 def : Pat<(i16 (trunc GR32:$src)),
3653 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit)>;
3654 def : Pat<(i8 (trunc GR32:$src)),
3655 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3657 Requires<[In32BitMode]>;
3658 def : Pat<(i8 (trunc GR16:$src)),
3659 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3661 Requires<[In32BitMode]>;
3663 // h-register tricks
3664 def : Pat<(i8 (trunc (srl_su GR16:$src, (i8 8)))),
3665 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3666 x86_subreg_8bit_hi)>,
3667 Requires<[In32BitMode]>;
3668 def : Pat<(i8 (trunc (srl_su GR32:$src, (i8 8)))),
3669 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3670 x86_subreg_8bit_hi)>,
3671 Requires<[In32BitMode]>;
3672 def : Pat<(srl_su GR16:$src, (i8 8)),
3675 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3676 x86_subreg_8bit_hi)),
3678 Requires<[In32BitMode]>;
3679 def : Pat<(i32 (zext (srl_su GR16:$src, (i8 8)))),
3680 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3681 x86_subreg_8bit_hi))>,
3682 Requires<[In32BitMode]>;
3683 def : Pat<(and (srl_su GR32:$src, (i8 8)), (i32 255)),
3684 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3685 x86_subreg_8bit_hi))>,
3686 Requires<[In32BitMode]>;
3688 // (shl x, 1) ==> (add x, x)
3689 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
3690 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
3691 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
3693 // (shl x (and y, 31)) ==> (shl x, y)
3694 def : Pat<(shl GR8:$src1, (and CL:$amt, 31)),
3695 (SHL8rCL GR8:$src1)>;
3696 def : Pat<(shl GR16:$src1, (and CL:$amt, 31)),
3697 (SHL16rCL GR16:$src1)>;
3698 def : Pat<(shl GR32:$src1, (and CL:$amt, 31)),
3699 (SHL32rCL GR32:$src1)>;
3700 def : Pat<(store (shl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3701 (SHL8mCL addr:$dst)>;
3702 def : Pat<(store (shl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3703 (SHL16mCL addr:$dst)>;
3704 def : Pat<(store (shl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3705 (SHL32mCL addr:$dst)>;
3707 def : Pat<(srl GR8:$src1, (and CL:$amt, 31)),
3708 (SHR8rCL GR8:$src1)>;
3709 def : Pat<(srl GR16:$src1, (and CL:$amt, 31)),
3710 (SHR16rCL GR16:$src1)>;
3711 def : Pat<(srl GR32:$src1, (and CL:$amt, 31)),
3712 (SHR32rCL GR32:$src1)>;
3713 def : Pat<(store (srl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3714 (SHR8mCL addr:$dst)>;
3715 def : Pat<(store (srl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3716 (SHR16mCL addr:$dst)>;
3717 def : Pat<(store (srl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3718 (SHR32mCL addr:$dst)>;
3720 def : Pat<(sra GR8:$src1, (and CL:$amt, 31)),
3721 (SAR8rCL GR8:$src1)>;
3722 def : Pat<(sra GR16:$src1, (and CL:$amt, 31)),
3723 (SAR16rCL GR16:$src1)>;
3724 def : Pat<(sra GR32:$src1, (and CL:$amt, 31)),
3725 (SAR32rCL GR32:$src1)>;
3726 def : Pat<(store (sra (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3727 (SAR8mCL addr:$dst)>;
3728 def : Pat<(store (sra (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3729 (SAR16mCL addr:$dst)>;
3730 def : Pat<(store (sra (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3731 (SAR32mCL addr:$dst)>;
3733 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
3734 def : Pat<(or (srl GR32:$src1, CL:$amt),
3735 (shl GR32:$src2, (sub 32, CL:$amt))),
3736 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3738 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
3739 (shl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3740 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3742 def : Pat<(or (srl GR32:$src1, (i8 (trunc ECX:$amt))),
3743 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3744 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3746 def : Pat<(store (or (srl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3747 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3749 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3751 def : Pat<(shrd GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3752 (SHRD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3754 def : Pat<(store (shrd (loadi32 addr:$dst), (i8 imm:$amt1),
3755 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3756 (SHRD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3758 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
3759 def : Pat<(or (shl GR32:$src1, CL:$amt),
3760 (srl GR32:$src2, (sub 32, CL:$amt))),
3761 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3763 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
3764 (srl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3765 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3767 def : Pat<(or (shl GR32:$src1, (i8 (trunc ECX:$amt))),
3768 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3769 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3771 def : Pat<(store (or (shl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3772 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3774 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3776 def : Pat<(shld GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3777 (SHLD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3779 def : Pat<(store (shld (loadi32 addr:$dst), (i8 imm:$amt1),
3780 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3781 (SHLD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3783 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
3784 def : Pat<(or (srl GR16:$src1, CL:$amt),
3785 (shl GR16:$src2, (sub 16, CL:$amt))),
3786 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3788 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
3789 (shl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3790 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3792 def : Pat<(or (srl GR16:$src1, (i8 (trunc CX:$amt))),
3793 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3794 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3796 def : Pat<(store (or (srl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3797 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3799 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3801 def : Pat<(shrd GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3802 (SHRD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3804 def : Pat<(store (shrd (loadi16 addr:$dst), (i8 imm:$amt1),
3805 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
3806 (SHRD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
3808 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
3809 def : Pat<(or (shl GR16:$src1, CL:$amt),
3810 (srl GR16:$src2, (sub 16, CL:$amt))),
3811 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
3813 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
3814 (srl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3815 (SHLD16mrCL addr:$dst, GR16:$src2)>;
3817 def : Pat<(or (shl GR16:$src1, (i8 (trunc CX:$amt))),
3818 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3819 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
3821 def : Pat<(store (or (shl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3822 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3824 (SHLD16mrCL addr:$dst, GR16:$src2)>;
3826 def : Pat<(shld GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3827 (SHLD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3829 def : Pat<(store (shld (loadi16 addr:$dst), (i8 imm:$amt1),
3830 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
3831 (SHLD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
3833 //===----------------------------------------------------------------------===//
3834 // EFLAGS-defining Patterns
3835 //===----------------------------------------------------------------------===//
3837 // Register-Register Addition with EFLAGS result
3838 def : Pat<(parallel (X86add_flag GR8:$src1, GR8:$src2),
3840 (ADD8rr GR8:$src1, GR8:$src2)>;
3841 def : Pat<(parallel (X86add_flag GR16:$src1, GR16:$src2),
3843 (ADD16rr GR16:$src1, GR16:$src2)>;
3844 def : Pat<(parallel (X86add_flag GR32:$src1, GR32:$src2),
3846 (ADD32rr GR32:$src1, GR32:$src2)>;
3848 // Register-Memory Addition with EFLAGS result
3849 def : Pat<(parallel (X86add_flag GR8:$src1, (loadi8 addr:$src2)),
3851 (ADD8rm GR8:$src1, addr:$src2)>;
3852 def : Pat<(parallel (X86add_flag GR16:$src1, (loadi16 addr:$src2)),
3854 (ADD16rm GR16:$src1, addr:$src2)>;
3855 def : Pat<(parallel (X86add_flag GR32:$src1, (loadi32 addr:$src2)),
3857 (ADD32rm GR32:$src1, addr:$src2)>;
3859 // Register-Integer Addition with EFLAGS result
3860 def : Pat<(parallel (X86add_flag GR8:$src1, imm:$src2),
3862 (ADD8ri GR8:$src1, imm:$src2)>;
3863 def : Pat<(parallel (X86add_flag GR16:$src1, imm:$src2),
3865 (ADD16ri GR16:$src1, imm:$src2)>;
3866 def : Pat<(parallel (X86add_flag GR32:$src1, imm:$src2),
3868 (ADD32ri GR32:$src1, imm:$src2)>;
3869 def : Pat<(parallel (X86add_flag GR16:$src1, i16immSExt8:$src2),
3871 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
3872 def : Pat<(parallel (X86add_flag GR32:$src1, i32immSExt8:$src2),
3874 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
3876 // Memory-Register Addition with EFLAGS result
3877 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), GR8:$src2),
3880 (ADD8mr addr:$dst, GR8:$src2)>;
3881 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), GR16:$src2),
3884 (ADD16mr addr:$dst, GR16:$src2)>;
3885 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), GR32:$src2),
3888 (ADD32mr addr:$dst, GR32:$src2)>;
3890 // Memory-Integer Addition with EFLAGS result
3891 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), imm:$src2),
3894 (ADD8mi addr:$dst, imm:$src2)>;
3895 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), imm:$src2),
3898 (ADD16mi addr:$dst, imm:$src2)>;
3899 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), imm:$src2),
3902 (ADD32mi addr:$dst, imm:$src2)>;
3903 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), i16immSExt8:$src2),
3906 (ADD16mi8 addr:$dst, i16immSExt8:$src2)>;
3907 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), i32immSExt8:$src2),
3910 (ADD32mi8 addr:$dst, i32immSExt8:$src2)>;
3912 // Register-Register Subtraction with EFLAGS result
3913 def : Pat<(parallel (X86sub_flag GR8:$src1, GR8:$src2),
3915 (SUB8rr GR8:$src1, GR8:$src2)>;
3916 def : Pat<(parallel (X86sub_flag GR16:$src1, GR16:$src2),
3918 (SUB16rr GR16:$src1, GR16:$src2)>;
3919 def : Pat<(parallel (X86sub_flag GR32:$src1, GR32:$src2),
3921 (SUB32rr GR32:$src1, GR32:$src2)>;
3923 // Register-Memory Subtraction with EFLAGS result
3924 def : Pat<(parallel (X86sub_flag GR8:$src1, (loadi8 addr:$src2)),
3926 (SUB8rm GR8:$src1, addr:$src2)>;
3927 def : Pat<(parallel (X86sub_flag GR16:$src1, (loadi16 addr:$src2)),
3929 (SUB16rm GR16:$src1, addr:$src2)>;
3930 def : Pat<(parallel (X86sub_flag GR32:$src1, (loadi32 addr:$src2)),
3932 (SUB32rm GR32:$src1, addr:$src2)>;
3934 // Register-Integer Subtraction with EFLAGS result
3935 def : Pat<(parallel (X86sub_flag GR8:$src1, imm:$src2),
3937 (SUB8ri GR8:$src1, imm:$src2)>;
3938 def : Pat<(parallel (X86sub_flag GR16:$src1, imm:$src2),
3940 (SUB16ri GR16:$src1, imm:$src2)>;
3941 def : Pat<(parallel (X86sub_flag GR32:$src1, imm:$src2),
3943 (SUB32ri GR32:$src1, imm:$src2)>;
3944 def : Pat<(parallel (X86sub_flag GR16:$src1, i16immSExt8:$src2),
3946 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
3947 def : Pat<(parallel (X86sub_flag GR32:$src1, i32immSExt8:$src2),
3949 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
3951 // Memory-Register Subtraction with EFLAGS result
3952 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), GR8:$src2),
3955 (SUB8mr addr:$dst, GR8:$src2)>;
3956 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), GR16:$src2),
3959 (SUB16mr addr:$dst, GR16:$src2)>;
3960 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), GR32:$src2),
3963 (SUB32mr addr:$dst, GR32:$src2)>;
3965 // Memory-Integer Subtraction with EFLAGS result
3966 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), imm:$src2),
3969 (SUB8mi addr:$dst, imm:$src2)>;
3970 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), imm:$src2),
3973 (SUB16mi addr:$dst, imm:$src2)>;
3974 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), imm:$src2),
3977 (SUB32mi addr:$dst, imm:$src2)>;
3978 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), i16immSExt8:$src2),
3981 (SUB16mi8 addr:$dst, i16immSExt8:$src2)>;
3982 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), i32immSExt8:$src2),
3985 (SUB32mi8 addr:$dst, i32immSExt8:$src2)>;
3988 // Register-Register Signed Integer Multiply with EFLAGS result
3989 def : Pat<(parallel (X86smul_flag GR16:$src1, GR16:$src2),
3991 (IMUL16rr GR16:$src1, GR16:$src2)>;
3992 def : Pat<(parallel (X86smul_flag GR32:$src1, GR32:$src2),
3994 (IMUL32rr GR32:$src1, GR32:$src2)>;
3996 // Register-Memory Signed Integer Multiply with EFLAGS result
3997 def : Pat<(parallel (X86smul_flag GR16:$src1, (loadi16 addr:$src2)),
3999 (IMUL16rm GR16:$src1, addr:$src2)>;
4000 def : Pat<(parallel (X86smul_flag GR32:$src1, (loadi32 addr:$src2)),
4002 (IMUL32rm GR32:$src1, addr:$src2)>;
4004 // Register-Integer Signed Integer Multiply with EFLAGS result
4005 def : Pat<(parallel (X86smul_flag GR16:$src1, imm:$src2),
4007 (IMUL16rri GR16:$src1, imm:$src2)>;
4008 def : Pat<(parallel (X86smul_flag GR32:$src1, imm:$src2),
4010 (IMUL32rri GR32:$src1, imm:$src2)>;
4011 def : Pat<(parallel (X86smul_flag GR16:$src1, i16immSExt8:$src2),
4013 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
4014 def : Pat<(parallel (X86smul_flag GR32:$src1, i32immSExt8:$src2),
4016 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
4018 // Memory-Integer Signed Integer Multiply with EFLAGS result
4019 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), imm:$src2),
4021 (IMUL16rmi addr:$src1, imm:$src2)>;
4022 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), imm:$src2),
4024 (IMUL32rmi addr:$src1, imm:$src2)>;
4025 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), i16immSExt8:$src2),
4027 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
4028 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), i32immSExt8:$src2),
4030 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
4032 // Optimize multiply by 2 with EFLAGS result.
4033 let AddedComplexity = 2 in {
4034 def : Pat<(parallel (X86smul_flag GR16:$src1, 2),
4036 (ADD16rr GR16:$src1, GR16:$src1)>;
4038 def : Pat<(parallel (X86smul_flag GR32:$src1, 2),
4040 (ADD32rr GR32:$src1, GR32:$src1)>;
4043 // INC and DEC with EFLAGS result. Note that these do not set CF.
4044 def : Pat<(parallel (X86inc_flag GR8:$src), (implicit EFLAGS)),
4046 def : Pat<(parallel (store (i8 (X86inc_flag (loadi8 addr:$dst))), addr:$dst),
4049 def : Pat<(parallel (X86dec_flag GR8:$src), (implicit EFLAGS)),
4051 def : Pat<(parallel (store (i8 (X86dec_flag (loadi8 addr:$dst))), addr:$dst),
4055 def : Pat<(parallel (X86inc_flag GR16:$src), (implicit EFLAGS)),
4056 (INC16r GR16:$src)>, Requires<[In32BitMode]>;
4057 def : Pat<(parallel (store (i16 (X86inc_flag (loadi16 addr:$dst))), addr:$dst),
4059 (INC16m addr:$dst)>, Requires<[In32BitMode]>;
4060 def : Pat<(parallel (X86dec_flag GR16:$src), (implicit EFLAGS)),
4061 (DEC16r GR16:$src)>, Requires<[In32BitMode]>;
4062 def : Pat<(parallel (store (i16 (X86dec_flag (loadi16 addr:$dst))), addr:$dst),
4064 (DEC16m addr:$dst)>, Requires<[In32BitMode]>;
4066 def : Pat<(parallel (X86inc_flag GR32:$src), (implicit EFLAGS)),
4067 (INC32r GR32:$src)>, Requires<[In32BitMode]>;
4068 def : Pat<(parallel (store (i32 (X86inc_flag (loadi32 addr:$dst))), addr:$dst),
4070 (INC32m addr:$dst)>, Requires<[In32BitMode]>;
4071 def : Pat<(parallel (X86dec_flag GR32:$src), (implicit EFLAGS)),
4072 (DEC32r GR32:$src)>, Requires<[In32BitMode]>;
4073 def : Pat<(parallel (store (i32 (X86dec_flag (loadi32 addr:$dst))), addr:$dst),
4075 (DEC32m addr:$dst)>, Requires<[In32BitMode]>;
4077 //===----------------------------------------------------------------------===//
4078 // Floating Point Stack Support
4079 //===----------------------------------------------------------------------===//
4081 include "X86InstrFPStack.td"
4083 //===----------------------------------------------------------------------===//
4085 //===----------------------------------------------------------------------===//
4087 include "X86Instr64bit.td"
4089 //===----------------------------------------------------------------------===//
4090 // XMM Floating point support (requires SSE / SSE2)
4091 //===----------------------------------------------------------------------===//
4093 include "X86InstrSSE.td"
4095 //===----------------------------------------------------------------------===//
4096 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
4097 //===----------------------------------------------------------------------===//
4099 include "X86InstrMMX.td"