1 //===- X86InstrInfo.td - Describe the X86 Instruction Set --*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the X86 instruction set, defining the instructions, and
11 // properties of the instructions which are needed for code generation, machine
12 // code emission, and analysis.
14 //===----------------------------------------------------------------------===//
16 //===----------------------------------------------------------------------===//
17 // X86 specific DAG Nodes.
20 def SDTIntShiftDOp: SDTypeProfile<1, 3,
21 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
22 SDTCisInt<0>, SDTCisInt<3>]>;
24 def SDTX86CmpTest : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
26 def SDTX86Cmov : SDTypeProfile<1, 4,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>,
28 SDTCisVT<3, i8>, SDTCisVT<4, i32>]>;
30 // Unary and binary operator instructions that set EFLAGS as a side-effect.
31 def SDTUnaryArithWithFlags : SDTypeProfile<1, 1,
33 def SDTBinaryArithWithFlags : SDTypeProfile<1, 2,
37 def SDTX86BrCond : SDTypeProfile<0, 3,
38 [SDTCisVT<0, OtherVT>,
39 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
41 def SDTX86SetCC : SDTypeProfile<1, 2,
43 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
45 def SDTX86cas : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisInt<1>,
47 def SDTX86cas8 : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
49 def SDTX86atomicBinary : SDTypeProfile<2, 3, [SDTCisInt<0>, SDTCisInt<1>,
50 SDTCisPtrTy<2>, SDTCisInt<3>,SDTCisInt<4>]>;
51 def SDTX86Ret : SDTypeProfile<0, -1, [SDTCisVT<0, i16>]>;
53 def SDT_X86CallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
54 def SDT_X86CallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>,
57 def SDT_X86Call : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>;
59 def SDT_X86VASTART_SAVE_XMM_REGS : SDTypeProfile<0, -1, [SDTCisVT<0, i8>,
63 def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
65 def SDTX86RdTsc : SDTypeProfile<0, 0, []>;
67 def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
69 def SDT_X86TLSADDR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
71 def SDT_X86SegmentBaseAddress : SDTypeProfile<1, 1, [SDTCisPtrTy<0>]>;
73 def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
75 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
77 def X86bsf : SDNode<"X86ISD::BSF", SDTIntUnaryOp>;
78 def X86bsr : SDNode<"X86ISD::BSR", SDTIntUnaryOp>;
79 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
80 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
82 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
84 def X86bt : SDNode<"X86ISD::BT", SDTX86CmpTest>;
86 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
87 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
89 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
91 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
92 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
94 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86cas8,
95 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
97 def X86AtomAdd64 : SDNode<"X86ISD::ATOMADD64_DAG", SDTX86atomicBinary,
98 [SDNPHasChain, SDNPMayStore,
99 SDNPMayLoad, SDNPMemOperand]>;
100 def X86AtomSub64 : SDNode<"X86ISD::ATOMSUB64_DAG", SDTX86atomicBinary,
101 [SDNPHasChain, SDNPMayStore,
102 SDNPMayLoad, SDNPMemOperand]>;
103 def X86AtomOr64 : SDNode<"X86ISD::ATOMOR64_DAG", SDTX86atomicBinary,
104 [SDNPHasChain, SDNPMayStore,
105 SDNPMayLoad, SDNPMemOperand]>;
106 def X86AtomXor64 : SDNode<"X86ISD::ATOMXOR64_DAG", SDTX86atomicBinary,
107 [SDNPHasChain, SDNPMayStore,
108 SDNPMayLoad, SDNPMemOperand]>;
109 def X86AtomAnd64 : SDNode<"X86ISD::ATOMAND64_DAG", SDTX86atomicBinary,
110 [SDNPHasChain, SDNPMayStore,
111 SDNPMayLoad, SDNPMemOperand]>;
112 def X86AtomNand64 : SDNode<"X86ISD::ATOMNAND64_DAG", SDTX86atomicBinary,
113 [SDNPHasChain, SDNPMayStore,
114 SDNPMayLoad, SDNPMemOperand]>;
115 def X86AtomSwap64 : SDNode<"X86ISD::ATOMSWAP64_DAG", SDTX86atomicBinary,
116 [SDNPHasChain, SDNPMayStore,
117 SDNPMayLoad, SDNPMemOperand]>;
118 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
119 [SDNPHasChain, SDNPOptInFlag]>;
121 def X86vastart_save_xmm_regs :
122 SDNode<"X86ISD::VASTART_SAVE_XMM_REGS",
123 SDT_X86VASTART_SAVE_XMM_REGS,
126 def X86callseq_start :
127 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
128 [SDNPHasChain, SDNPOutFlag]>;
130 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
131 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
133 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
134 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
136 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
137 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore]>;
138 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
139 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
142 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG",SDTX86RdTsc,
143 [SDNPHasChain, SDNPOutFlag, SDNPSideEffect]>;
145 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
146 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
148 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
149 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
150 def X86SegmentBaseAddress : SDNode<"X86ISD::SegmentBaseAddress",
151 SDT_X86SegmentBaseAddress, []>;
153 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
156 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
157 [SDNPHasChain, SDNPOptInFlag]>;
159 def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags>;
160 def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
161 def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags>;
162 def X86umul_flag : SDNode<"X86ISD::UMUL", SDTUnaryArithWithFlags>;
163 def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>;
164 def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>;
165 def X86or_flag : SDNode<"X86ISD::OR", SDTBinaryArithWithFlags>;
166 def X86xor_flag : SDNode<"X86ISD::XOR", SDTBinaryArithWithFlags>;
167 def X86and_flag : SDNode<"X86ISD::AND", SDTBinaryArithWithFlags>;
169 def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
171 //===----------------------------------------------------------------------===//
172 // X86 Operand Definitions.
175 def i32imm_pcrel : Operand<i32> {
176 let PrintMethod = "print_pcrel_imm";
179 // A version of ptr_rc which excludes SP, ESP, and RSP. This is used for
180 // the index operand of an address, to conform to x86 encoding restrictions.
181 def ptr_rc_nosp : PointerLikeRegClass<1>;
183 // *mem - Operand definitions for the funky X86 addressing mode operands.
185 def X86MemAsmOperand : AsmOperandClass {
189 class X86MemOperand<string printMethod> : Operand<iPTR> {
190 let PrintMethod = printMethod;
191 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc_nosp, i32imm, i8imm);
192 let ParserMatchClass = X86MemAsmOperand;
195 def opaque32mem : X86MemOperand<"printopaquemem">;
196 def opaque48mem : X86MemOperand<"printopaquemem">;
197 def opaque80mem : X86MemOperand<"printopaquemem">;
199 def i8mem : X86MemOperand<"printi8mem">;
200 def i16mem : X86MemOperand<"printi16mem">;
201 def i32mem : X86MemOperand<"printi32mem">;
202 def i64mem : X86MemOperand<"printi64mem">;
203 def i128mem : X86MemOperand<"printi128mem">;
204 //def i256mem : X86MemOperand<"printi256mem">;
205 def f32mem : X86MemOperand<"printf32mem">;
206 def f64mem : X86MemOperand<"printf64mem">;
207 def f80mem : X86MemOperand<"printf80mem">;
208 def f128mem : X86MemOperand<"printf128mem">;
209 //def f256mem : X86MemOperand<"printf256mem">;
211 // A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
212 // plain GR64, so that it doesn't potentially require a REX prefix.
213 def i8mem_NOREX : Operand<i64> {
214 let PrintMethod = "printi8mem";
215 let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_NOREX_NOSP, i32imm, i8imm);
216 let ParserMatchClass = X86MemAsmOperand;
219 def lea32mem : Operand<i32> {
220 let PrintMethod = "printlea32mem";
221 let MIOperandInfo = (ops GR32, i8imm, GR32_NOSP, i32imm);
222 let ParserMatchClass = X86MemAsmOperand;
225 def SSECC : Operand<i8> {
226 let PrintMethod = "printSSECC";
229 def piclabel: Operand<i32> {
230 let PrintMethod = "printPICLabel";
233 def ImmSExt8AsmOperand : AsmOperandClass {
234 let Name = "ImmSExt8";
235 let SuperClass = ImmAsmOperand;
238 // A couple of more descriptive operand definitions.
239 // 16-bits but only 8 bits are significant.
240 def i16i8imm : Operand<i16> {
241 let ParserMatchClass = ImmSExt8AsmOperand;
243 // 32-bits but only 8 bits are significant.
244 def i32i8imm : Operand<i32> {
245 let ParserMatchClass = ImmSExt8AsmOperand;
248 // Branch targets have OtherVT type and print as pc-relative values.
249 def brtarget : Operand<OtherVT> {
250 let PrintMethod = "print_pcrel_imm";
253 def brtarget8 : Operand<OtherVT> {
254 let PrintMethod = "print_pcrel_imm";
257 //===----------------------------------------------------------------------===//
258 // X86 Complex Pattern Definitions.
261 // Define X86 specific addressing mode.
262 def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], []>;
263 def lea32addr : ComplexPattern<i32, 4, "SelectLEAAddr",
264 [add, sub, mul, X86mul_imm, shl, or, frameindex],
266 def tls32addr : ComplexPattern<i32, 4, "SelectTLSADDRAddr",
267 [tglobaltlsaddr], []>;
269 //===----------------------------------------------------------------------===//
270 // X86 Instruction Predicate Definitions.
271 def HasMMX : Predicate<"Subtarget->hasMMX()">;
272 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
273 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
274 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
275 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
276 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
277 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
278 def HasSSE4A : Predicate<"Subtarget->hasSSE4A()">;
279 def HasAVX : Predicate<"Subtarget->hasAVX()">;
280 def HasFMA3 : Predicate<"Subtarget->hasFMA3()">;
281 def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
282 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
283 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
284 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
285 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
286 def IsWin64 : Predicate<"Subtarget->isTargetWin64()">;
287 def NotWin64 : Predicate<"!Subtarget->isTargetWin64()">;
288 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
289 def KernelCode : Predicate<"TM.getCodeModel() == CodeModel::Kernel">;
290 def FarData : Predicate<"TM.getCodeModel() != CodeModel::Small &&"
291 "TM.getCodeModel() != CodeModel::Kernel">;
292 def NearData : Predicate<"TM.getCodeModel() == CodeModel::Small ||"
293 "TM.getCodeModel() == CodeModel::Kernel">;
294 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
295 def OptForSpeed : Predicate<"!OptForSize">;
296 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
297 def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
299 //===----------------------------------------------------------------------===//
300 // X86 Instruction Format Definitions.
303 include "X86InstrFormats.td"
305 //===----------------------------------------------------------------------===//
306 // Pattern fragments...
309 // X86 specific condition code. These correspond to CondCode in
310 // X86InstrInfo.h. They must be kept in synch.
311 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
312 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
313 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
314 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
315 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
316 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
317 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
318 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
319 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
320 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
321 def X86_COND_NO : PatLeaf<(i8 10)>;
322 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
323 def X86_COND_NS : PatLeaf<(i8 12)>;
324 def X86_COND_O : PatLeaf<(i8 13)>;
325 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
326 def X86_COND_S : PatLeaf<(i8 15)>;
328 def i16immSExt8 : PatLeaf<(i16 imm), [{
329 // i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
330 // sign extended field.
331 return (int16_t)N->getZExtValue() == (int8_t)N->getZExtValue();
334 def i32immSExt8 : PatLeaf<(i32 imm), [{
335 // i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
336 // sign extended field.
337 return (int32_t)N->getZExtValue() == (int8_t)N->getZExtValue();
340 // Helper fragments for loads.
341 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
342 // known to be 32-bit aligned or better. Ditto for i8 to i16.
343 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
344 LoadSDNode *LD = cast<LoadSDNode>(N);
345 if (const Value *Src = LD->getSrcValue())
346 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
347 if (PT->getAddressSpace() > 255)
349 ISD::LoadExtType ExtType = LD->getExtensionType();
350 if (ExtType == ISD::NON_EXTLOAD)
352 if (ExtType == ISD::EXTLOAD)
353 return LD->getAlignment() >= 2 && !LD->isVolatile();
357 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
358 LoadSDNode *LD = cast<LoadSDNode>(N);
359 if (const Value *Src = LD->getSrcValue())
360 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
361 if (PT->getAddressSpace() > 255)
363 ISD::LoadExtType ExtType = LD->getExtensionType();
364 if (ExtType == ISD::EXTLOAD)
365 return LD->getAlignment() >= 2 && !LD->isVolatile();
369 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
370 LoadSDNode *LD = cast<LoadSDNode>(N);
371 if (const Value *Src = LD->getSrcValue())
372 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
373 if (PT->getAddressSpace() > 255)
375 ISD::LoadExtType ExtType = LD->getExtensionType();
376 if (ExtType == ISD::NON_EXTLOAD)
378 if (ExtType == ISD::EXTLOAD)
379 return LD->getAlignment() >= 4 && !LD->isVolatile();
383 def nvloadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
384 LoadSDNode *LD = cast<LoadSDNode>(N);
385 if (const Value *Src = LD->getSrcValue())
386 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
387 if (PT->getAddressSpace() > 255)
389 if (LD->isVolatile())
391 ISD::LoadExtType ExtType = LD->getExtensionType();
392 if (ExtType == ISD::NON_EXTLOAD)
394 if (ExtType == ISD::EXTLOAD)
395 return LD->getAlignment() >= 4;
399 def gsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
400 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
401 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
402 return PT->getAddressSpace() == 256;
406 def fsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
407 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
408 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
409 return PT->getAddressSpace() == 257;
413 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr)), [{
414 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
415 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
416 if (PT->getAddressSpace() > 255)
420 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr)), [{
421 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
422 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
423 if (PT->getAddressSpace() > 255)
428 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr)), [{
429 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
430 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
431 if (PT->getAddressSpace() > 255)
435 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr)), [{
436 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
437 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
438 if (PT->getAddressSpace() > 255)
442 def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr)), [{
443 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
444 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
445 if (PT->getAddressSpace() > 255)
450 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
451 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
452 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
454 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
455 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
456 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
457 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
458 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
459 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
461 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
462 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
463 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
464 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
465 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
466 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
469 // An 'and' node with a single use.
470 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
471 return N->hasOneUse();
473 // An 'srl' node with a single use.
474 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
475 return N->hasOneUse();
477 // An 'trunc' node with a single use.
478 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
479 return N->hasOneUse();
482 // 'shld' and 'shrd' instruction patterns. Note that even though these have
483 // the srl and shl in their patterns, the C++ code must still check for them,
484 // because predicates are tested before children nodes are explored.
486 def shrd : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
487 (or (srl node:$src1, node:$amt1),
488 (shl node:$src2, node:$amt2)), [{
489 assert(N->getOpcode() == ISD::OR);
490 return N->getOperand(0).getOpcode() == ISD::SRL &&
491 N->getOperand(1).getOpcode() == ISD::SHL &&
492 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
493 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
494 N->getOperand(0).getConstantOperandVal(1) ==
495 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
498 def shld : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
499 (or (shl node:$src1, node:$amt1),
500 (srl node:$src2, node:$amt2)), [{
501 assert(N->getOpcode() == ISD::OR);
502 return N->getOperand(0).getOpcode() == ISD::SHL &&
503 N->getOperand(1).getOpcode() == ISD::SRL &&
504 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
505 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
506 N->getOperand(0).getConstantOperandVal(1) ==
507 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
510 //===----------------------------------------------------------------------===//
511 // Instruction list...
514 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
515 // a stack adjustment and the codegen must know that they may modify the stack
516 // pointer before prolog-epilog rewriting occurs.
517 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
518 // sub / add which can clobber EFLAGS.
519 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
520 def ADJCALLSTACKDOWN32 : I<0, Pseudo, (outs), (ins i32imm:$amt),
522 [(X86callseq_start timm:$amt)]>,
523 Requires<[In32BitMode]>;
524 def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
526 [(X86callseq_end timm:$amt1, timm:$amt2)]>,
527 Requires<[In32BitMode]>;
530 // x86-64 va_start lowering magic.
531 let usesCustomDAGSchedInserter = 1 in
532 def VASTART_SAVE_XMM_REGS : I<0, Pseudo,
535 i64imm:$regsavefi, i64imm:$offset,
537 "#VASTART_SAVE_XMM_REGS $al, $regsavefi, $offset",
538 [(X86vastart_save_xmm_regs GR8:$al,
543 let neverHasSideEffects = 1 in {
544 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
545 def NOOPL : I<0x1f, MRM0m, (outs), (ins i32mem:$zero),
546 "nopl\t$zero", []>, TB;
550 def INT3 : I<0xcc, RawFrm, (outs), (ins), "int 3", []>;
551 def INT : I<0xcd, RawFrm, (outs), (ins i8imm:$trap), "int\t$trap", []>;
554 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
555 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins piclabel:$label),
559 //===----------------------------------------------------------------------===//
560 // Control Flow Instructions...
563 // Return instructions.
564 let isTerminator = 1, isReturn = 1, isBarrier = 1,
565 hasCtrlDep = 1, FPForm = SpecialFP, FPFormBits = SpecialFP.Value in {
566 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
569 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
571 [(X86retflag timm:$amt)]>;
572 def LRET : I <0xCB, RawFrm, (outs), (ins),
574 def LRETI : Ii16<0xCA, RawFrm, (outs), (ins i16imm:$amt),
578 // All branches are RawFrm, Void, Branch, and Terminators
579 let isBranch = 1, isTerminator = 1 in
580 class IBr<bits<8> opcode, dag ins, string asm, list<dag> pattern> :
581 I<opcode, RawFrm, (outs), ins, asm, pattern>;
583 let isBranch = 1, isBarrier = 1 in {
584 def JMP : IBr<0xE9, (ins brtarget:$dst), "jmp\t$dst", [(br bb:$dst)]>;
585 def JMP8 : IBr<0xEB, (ins brtarget8:$dst), "jmp\t$dst", []>;
589 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
590 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
591 [(brind GR32:$dst)]>;
592 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
593 [(brind (loadi32 addr:$dst))]>;
595 def FARJMP16i : Iseg16<0xEA, RawFrm, (outs),
596 (ins i16imm:$seg, i16imm:$off),
597 "ljmp{w}\t$seg, $off", []>, OpSize;
598 def FARJMP32i : Iseg32<0xEA, RawFrm, (outs),
599 (ins i16imm:$seg, i32imm:$off),
600 "ljmp{l}\t$seg, $off", []>;
602 def FARJMP16m : I<0xFF, MRM5m, (outs), (ins opaque32mem:$dst),
603 "ljmp{w}\t{*}$dst", []>, OpSize;
604 def FARJMP32m : I<0xFF, MRM5m, (outs), (ins opaque48mem:$dst),
605 "ljmp{l}\t{*}$dst", []>;
608 // Conditional branches
609 let Uses = [EFLAGS] in {
610 // Short conditional jumps
611 def JO8 : IBr<0x70, (ins brtarget8:$dst), "jo\t$dst", []>;
612 def JNO8 : IBr<0x71, (ins brtarget8:$dst), "jno\t$dst", []>;
613 def JB8 : IBr<0x72, (ins brtarget8:$dst), "jb\t$dst", []>;
614 def JAE8 : IBr<0x73, (ins brtarget8:$dst), "jae\t$dst", []>;
615 def JE8 : IBr<0x74, (ins brtarget8:$dst), "je\t$dst", []>;
616 def JNE8 : IBr<0x75, (ins brtarget8:$dst), "jne\t$dst", []>;
617 def JBE8 : IBr<0x76, (ins brtarget8:$dst), "jbe\t$dst", []>;
618 def JA8 : IBr<0x77, (ins brtarget8:$dst), "ja\t$dst", []>;
619 def JS8 : IBr<0x78, (ins brtarget8:$dst), "js\t$dst", []>;
620 def JNS8 : IBr<0x79, (ins brtarget8:$dst), "jns\t$dst", []>;
621 def JP8 : IBr<0x7A, (ins brtarget8:$dst), "jp\t$dst", []>;
622 def JNP8 : IBr<0x7B, (ins brtarget8:$dst), "jnp\t$dst", []>;
623 def JL8 : IBr<0x7C, (ins brtarget8:$dst), "jl\t$dst", []>;
624 def JGE8 : IBr<0x7D, (ins brtarget8:$dst), "jge\t$dst", []>;
625 def JLE8 : IBr<0x7E, (ins brtarget8:$dst), "jle\t$dst", []>;
626 def JG8 : IBr<0x7F, (ins brtarget8:$dst), "jg\t$dst", []>;
628 def JCXZ8 : IBr<0xE3, (ins brtarget8:$dst), "jcxz\t$dst", []>;
630 def JE : IBr<0x84, (ins brtarget:$dst), "je\t$dst",
631 [(X86brcond bb:$dst, X86_COND_E, EFLAGS)]>, TB;
632 def JNE : IBr<0x85, (ins brtarget:$dst), "jne\t$dst",
633 [(X86brcond bb:$dst, X86_COND_NE, EFLAGS)]>, TB;
634 def JL : IBr<0x8C, (ins brtarget:$dst), "jl\t$dst",
635 [(X86brcond bb:$dst, X86_COND_L, EFLAGS)]>, TB;
636 def JLE : IBr<0x8E, (ins brtarget:$dst), "jle\t$dst",
637 [(X86brcond bb:$dst, X86_COND_LE, EFLAGS)]>, TB;
638 def JG : IBr<0x8F, (ins brtarget:$dst), "jg\t$dst",
639 [(X86brcond bb:$dst, X86_COND_G, EFLAGS)]>, TB;
640 def JGE : IBr<0x8D, (ins brtarget:$dst), "jge\t$dst",
641 [(X86brcond bb:$dst, X86_COND_GE, EFLAGS)]>, TB;
643 def JB : IBr<0x82, (ins brtarget:$dst), "jb\t$dst",
644 [(X86brcond bb:$dst, X86_COND_B, EFLAGS)]>, TB;
645 def JBE : IBr<0x86, (ins brtarget:$dst), "jbe\t$dst",
646 [(X86brcond bb:$dst, X86_COND_BE, EFLAGS)]>, TB;
647 def JA : IBr<0x87, (ins brtarget:$dst), "ja\t$dst",
648 [(X86brcond bb:$dst, X86_COND_A, EFLAGS)]>, TB;
649 def JAE : IBr<0x83, (ins brtarget:$dst), "jae\t$dst",
650 [(X86brcond bb:$dst, X86_COND_AE, EFLAGS)]>, TB;
652 def JS : IBr<0x88, (ins brtarget:$dst), "js\t$dst",
653 [(X86brcond bb:$dst, X86_COND_S, EFLAGS)]>, TB;
654 def JNS : IBr<0x89, (ins brtarget:$dst), "jns\t$dst",
655 [(X86brcond bb:$dst, X86_COND_NS, EFLAGS)]>, TB;
656 def JP : IBr<0x8A, (ins brtarget:$dst), "jp\t$dst",
657 [(X86brcond bb:$dst, X86_COND_P, EFLAGS)]>, TB;
658 def JNP : IBr<0x8B, (ins brtarget:$dst), "jnp\t$dst",
659 [(X86brcond bb:$dst, X86_COND_NP, EFLAGS)]>, TB;
660 def JO : IBr<0x80, (ins brtarget:$dst), "jo\t$dst",
661 [(X86brcond bb:$dst, X86_COND_O, EFLAGS)]>, TB;
662 def JNO : IBr<0x81, (ins brtarget:$dst), "jno\t$dst",
663 [(X86brcond bb:$dst, X86_COND_NO, EFLAGS)]>, TB;
668 def LOOP : I<0xE2, RawFrm, (ins brtarget8:$dst), (outs), "loop\t$dst", []>;
669 def LOOPE : I<0xE1, RawFrm, (ins brtarget8:$dst), (outs), "loope\t$dst", []>;
670 def LOOPNE : I<0xE0, RawFrm, (ins brtarget8:$dst), (outs), "loopne\t$dst", []>;
672 //===----------------------------------------------------------------------===//
673 // Call Instructions...
676 // All calls clobber the non-callee saved registers. ESP is marked as
677 // a use to prevent stack-pointer assignments that appear immediately
678 // before calls from potentially appearing dead. Uses for argument
679 // registers are added manually.
680 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
681 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
682 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
683 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
685 def CALLpcrel32 : Ii32<0xE8, RawFrm,
686 (outs), (ins i32imm_pcrel:$dst,variable_ops),
688 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
689 "call\t{*}$dst", [(X86call GR32:$dst)]>;
690 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
691 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
693 def FARCALL16i : Iseg16<0x9A, RawFrm, (outs),
694 (ins i16imm:$seg, i16imm:$off),
695 "lcall{w}\t$seg, $off", []>, OpSize;
696 def FARCALL32i : Iseg32<0x9A, RawFrm, (outs),
697 (ins i16imm:$seg, i32imm:$off),
698 "lcall{l}\t$seg, $off", []>;
700 def FARCALL16m : I<0xFF, MRM3m, (outs), (ins opaque32mem:$dst),
701 "lcall{w}\t{*}$dst", []>, OpSize;
702 def FARCALL32m : I<0xFF, MRM3m, (outs), (ins opaque48mem:$dst),
703 "lcall{l}\t{*}$dst", []>;
706 // Constructing a stack frame.
708 def ENTER : I<0xC8, RawFrm, (outs), (ins i16imm:$len, i8imm:$lvl),
709 "enter\t$len, $lvl", []>;
713 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
714 def TCRETURNdi : I<0, Pseudo, (outs), (ins i32imm:$dst, i32imm:$offset, variable_ops),
715 "#TC_RETURN $dst $offset",
718 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
719 def TCRETURNri : I<0, Pseudo, (outs), (ins GR32:$dst, i32imm:$offset, variable_ops),
720 "#TC_RETURN $dst $offset",
723 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
725 def TAILJMPd : IBr<0xE9, (ins i32imm_pcrel:$dst), "jmp\t$dst # TAILCALL",
727 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
728 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst # TAILCALL",
730 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
731 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem:$dst),
732 "jmp\t{*}$dst # TAILCALL", []>;
734 //===----------------------------------------------------------------------===//
735 // Miscellaneous Instructions...
737 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
738 def LEAVE : I<0xC9, RawFrm,
739 (outs), (ins), "leave", []>;
741 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
743 def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
745 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
746 def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
748 def POP16rmm: I<0x8F, MRM0m, (outs i16mem:$dst), (ins), "pop{w}\t$dst", []>,
750 def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
751 def POP32rmm: I<0x8F, MRM0m, (outs i32mem:$dst), (ins), "pop{l}\t$dst", []>;
754 let mayStore = 1 in {
755 def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
757 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
758 def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
760 def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[]>,
762 def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
763 def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[]>;
767 let Defs = [ESP], Uses = [ESP], neverHasSideEffects = 1, mayStore = 1 in {
768 def PUSH32i8 : Ii8<0x6a, RawFrm, (outs), (ins i8imm:$imm),
769 "push{l}\t$imm", []>;
770 def PUSH32i16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
771 "push{l}\t$imm", []>;
772 def PUSH32i32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
773 "push{l}\t$imm", []>;
776 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in
777 def POPFD : I<0x9D, RawFrm, (outs), (ins), "popf", []>;
778 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in
779 def PUSHFD : I<0x9C, RawFrm, (outs), (ins), "pushf", []>;
781 let isTwoAddress = 1 in // GR32 = bswap GR32
782 def BSWAP32r : I<0xC8, AddRegFrm,
783 (outs GR32:$dst), (ins GR32:$src),
785 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
788 // Bit scan instructions.
789 let Defs = [EFLAGS] in {
790 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
791 "bsf{w}\t{$src, $dst|$dst, $src}",
792 [(set GR16:$dst, (X86bsf GR16:$src)), (implicit EFLAGS)]>, TB;
793 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
794 "bsf{w}\t{$src, $dst|$dst, $src}",
795 [(set GR16:$dst, (X86bsf (loadi16 addr:$src))),
796 (implicit EFLAGS)]>, TB;
797 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
798 "bsf{l}\t{$src, $dst|$dst, $src}",
799 [(set GR32:$dst, (X86bsf GR32:$src)), (implicit EFLAGS)]>, TB;
800 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
801 "bsf{l}\t{$src, $dst|$dst, $src}",
802 [(set GR32:$dst, (X86bsf (loadi32 addr:$src))),
803 (implicit EFLAGS)]>, TB;
805 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
806 "bsr{w}\t{$src, $dst|$dst, $src}",
807 [(set GR16:$dst, (X86bsr GR16:$src)), (implicit EFLAGS)]>, TB;
808 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
809 "bsr{w}\t{$src, $dst|$dst, $src}",
810 [(set GR16:$dst, (X86bsr (loadi16 addr:$src))),
811 (implicit EFLAGS)]>, TB;
812 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
813 "bsr{l}\t{$src, $dst|$dst, $src}",
814 [(set GR32:$dst, (X86bsr GR32:$src)), (implicit EFLAGS)]>, TB;
815 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
816 "bsr{l}\t{$src, $dst|$dst, $src}",
817 [(set GR32:$dst, (X86bsr (loadi32 addr:$src))),
818 (implicit EFLAGS)]>, TB;
821 let neverHasSideEffects = 1 in
822 def LEA16r : I<0x8D, MRMSrcMem,
823 (outs GR16:$dst), (ins i32mem:$src),
824 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
825 let isReMaterializable = 1 in
826 def LEA32r : I<0x8D, MRMSrcMem,
827 (outs GR32:$dst), (ins lea32mem:$src),
828 "lea{l}\t{$src|$dst}, {$dst|$src}",
829 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
831 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI] in {
832 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
833 [(X86rep_movs i8)]>, REP;
834 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
835 [(X86rep_movs i16)]>, REP, OpSize;
836 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
837 [(X86rep_movs i32)]>, REP;
840 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI] in
841 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
842 [(X86rep_stos i8)]>, REP;
843 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI] in
844 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
845 [(X86rep_stos i16)]>, REP, OpSize;
846 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI] in
847 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
848 [(X86rep_stos i32)]>, REP;
850 def SCAS8 : I<0xAE, RawFrm, (outs), (ins), "scas{b}", []>;
851 def SCAS16 : I<0xAF, RawFrm, (outs), (ins), "scas{w}", []>, OpSize;
852 def SCAS32 : I<0xAF, RawFrm, (outs), (ins), "scas{l}", []>;
854 def CMPS8 : I<0xA6, RawFrm, (outs), (ins), "cmps{b}", []>;
855 def CMPS16 : I<0xA7, RawFrm, (outs), (ins), "cmps{w}", []>, OpSize;
856 def CMPS32 : I<0xA7, RawFrm, (outs), (ins), "cmps{l}", []>;
858 let Defs = [RAX, RDX] in
859 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
862 let isBarrier = 1, hasCtrlDep = 1 in {
863 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
866 def SYSCALL : I<0x05, RawFrm,
867 (outs), (ins), "syscall", []>, TB;
868 def SYSRET : I<0x07, RawFrm,
869 (outs), (ins), "sysret", []>, TB;
870 def SYSENTER : I<0x34, RawFrm,
871 (outs), (ins), "sysenter", []>, TB;
872 def SYSEXIT : I<0x35, RawFrm,
873 (outs), (ins), "sysexit", []>, TB;
875 def WAIT : I<0x9B, RawFrm, (outs), (ins), "wait", []>;
878 //===----------------------------------------------------------------------===//
879 // Input/Output Instructions...
881 let Defs = [AL], Uses = [DX] in
882 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
883 "in{b}\t{%dx, %al|%AL, %DX}", []>;
884 let Defs = [AX], Uses = [DX] in
885 def IN16rr : I<0xED, RawFrm, (outs), (ins),
886 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
887 let Defs = [EAX], Uses = [DX] in
888 def IN32rr : I<0xED, RawFrm, (outs), (ins),
889 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
892 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i16i8imm:$port),
893 "in{b}\t{$port, %al|%AL, $port}", []>;
895 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
896 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
898 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
899 "in{l}\t{$port, %eax|%EAX, $port}", []>;
901 let Uses = [DX, AL] in
902 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
903 "out{b}\t{%al, %dx|%DX, %AL}", []>;
904 let Uses = [DX, AX] in
905 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
906 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
907 let Uses = [DX, EAX] in
908 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
909 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
912 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i16i8imm:$port),
913 "out{b}\t{%al, $port|$port, %AL}", []>;
915 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
916 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
918 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
919 "out{l}\t{%eax, $port|$port, %EAX}", []>;
921 //===----------------------------------------------------------------------===//
922 // Move Instructions...
924 let neverHasSideEffects = 1 in {
925 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
926 "mov{b}\t{$src, $dst|$dst, $src}", []>;
927 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
928 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
929 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
930 "mov{l}\t{$src, $dst|$dst, $src}", []>;
932 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
933 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
934 "mov{b}\t{$src, $dst|$dst, $src}",
935 [(set GR8:$dst, imm:$src)]>;
936 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
937 "mov{w}\t{$src, $dst|$dst, $src}",
938 [(set GR16:$dst, imm:$src)]>, OpSize;
939 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
940 "mov{l}\t{$src, $dst|$dst, $src}",
941 [(set GR32:$dst, imm:$src)]>;
943 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
944 "mov{b}\t{$src, $dst|$dst, $src}",
945 [(store (i8 imm:$src), addr:$dst)]>;
946 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
947 "mov{w}\t{$src, $dst|$dst, $src}",
948 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
949 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
950 "mov{l}\t{$src, $dst|$dst, $src}",
951 [(store (i32 imm:$src), addr:$dst)]>;
953 def MOV8o8a : Ii8 <0xA0, RawFrm, (outs), (ins i8imm:$src),
954 "mov{b}\t{$src, %al|%al, $src}", []>;
955 def MOV16o16a : Ii16 <0xA1, RawFrm, (outs), (ins i16imm:$src),
956 "mov{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
957 def MOV32o32a : Ii32 <0xA1, RawFrm, (outs), (ins i32imm:$src),
958 "mov{l}\t{$src, %eax|%eax, $src}", []>;
960 def MOV8ao8 : Ii8 <0xA2, RawFrm, (outs i8imm:$dst), (ins),
961 "mov{b}\t{%al, $dst|$dst, %al}", []>;
962 def MOV16ao16 : Ii16 <0xA3, RawFrm, (outs i16imm:$dst), (ins),
963 "mov{w}\t{%ax, $dst|$dst, %ax}", []>, OpSize;
964 def MOV32ao32 : Ii32 <0xA3, RawFrm, (outs i32imm:$dst), (ins),
965 "mov{l}\t{%eax, $dst|$dst, %eax}", []>;
967 // Moves to and from segment registers
968 def MOV16rs : I<0x8C, MRMDestReg, (outs GR16:$dst), (ins SEGMENT_REG:$src),
969 "mov{w}\t{$src, $dst|$dst, $src}", []>;
970 def MOV16ms : I<0x8C, MRMDestMem, (outs i16mem:$dst), (ins SEGMENT_REG:$src),
971 "mov{w}\t{$src, $dst|$dst, $src}", []>;
972 def MOV16sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR16:$src),
973 "mov{w}\t{$src, $dst|$dst, $src}", []>;
974 def MOV16sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i16mem:$src),
975 "mov{w}\t{$src, $dst|$dst, $src}", []>;
977 let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in {
978 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
979 "mov{b}\t{$src, $dst|$dst, $src}",
980 [(set GR8:$dst, (loadi8 addr:$src))]>;
981 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
982 "mov{w}\t{$src, $dst|$dst, $src}",
983 [(set GR16:$dst, (loadi16 addr:$src))]>, OpSize;
984 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
985 "mov{l}\t{$src, $dst|$dst, $src}",
986 [(set GR32:$dst, (loadi32 addr:$src))]>;
989 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
990 "mov{b}\t{$src, $dst|$dst, $src}",
991 [(store GR8:$src, addr:$dst)]>;
992 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
993 "mov{w}\t{$src, $dst|$dst, $src}",
994 [(store GR16:$src, addr:$dst)]>, OpSize;
995 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
996 "mov{l}\t{$src, $dst|$dst, $src}",
997 [(store GR32:$src, addr:$dst)]>;
999 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
1000 // that they can be used for copying and storing h registers, which can't be
1001 // encoded when a REX prefix is present.
1002 let neverHasSideEffects = 1 in
1003 def MOV8rr_NOREX : I<0x88, MRMDestReg,
1004 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
1005 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1007 def MOV8mr_NOREX : I<0x88, MRMDestMem,
1008 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
1009 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1011 canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in
1012 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
1013 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
1014 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1016 //===----------------------------------------------------------------------===//
1017 // Fixed-Register Multiplication and Division Instructions...
1020 // Extra precision multiplication
1021 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
1022 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
1023 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1024 // This probably ought to be moved to a def : Pat<> if the
1025 // syntax can be accepted.
1026 [(set AL, (mul AL, GR8:$src)),
1027 (implicit EFLAGS)]>; // AL,AH = AL*GR8
1029 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
1030 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
1032 []>, OpSize; // AX,DX = AX*GR16
1034 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
1035 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
1037 []>; // EAX,EDX = EAX*GR32
1039 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
1040 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
1042 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1043 // This probably ought to be moved to a def : Pat<> if the
1044 // syntax can be accepted.
1045 [(set AL, (mul AL, (loadi8 addr:$src))),
1046 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
1048 let mayLoad = 1, neverHasSideEffects = 1 in {
1049 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1050 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
1052 []>, OpSize; // AX,DX = AX*[mem16]
1054 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1055 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
1057 []>; // EAX,EDX = EAX*[mem32]
1060 let neverHasSideEffects = 1 in {
1061 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
1062 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
1064 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1065 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
1066 OpSize; // AX,DX = AX*GR16
1067 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1068 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
1069 // EAX,EDX = EAX*GR32
1070 let mayLoad = 1 in {
1071 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
1072 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
1073 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
1074 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1075 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
1076 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
1077 let Defs = [EAX,EDX], Uses = [EAX] in
1078 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
1079 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
1081 } // neverHasSideEffects
1083 // unsigned division/remainder
1084 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
1085 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1086 "div{b}\t$src", []>;
1087 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1088 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1089 "div{w}\t$src", []>, OpSize;
1090 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1091 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1092 "div{l}\t$src", []>;
1093 let mayLoad = 1 in {
1094 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
1095 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1096 "div{b}\t$src", []>;
1097 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1098 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1099 "div{w}\t$src", []>, OpSize;
1100 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1101 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
1102 "div{l}\t$src", []>;
1105 // Signed division/remainder.
1106 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
1107 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1108 "idiv{b}\t$src", []>;
1109 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1110 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1111 "idiv{w}\t$src", []>, OpSize;
1112 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1113 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1114 "idiv{l}\t$src", []>;
1115 let mayLoad = 1, mayLoad = 1 in {
1116 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
1117 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1118 "idiv{b}\t$src", []>;
1119 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1120 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1121 "idiv{w}\t$src", []>, OpSize;
1122 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1123 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
1124 "idiv{l}\t$src", []>;
1127 //===----------------------------------------------------------------------===//
1128 // Two address Instructions.
1130 let isTwoAddress = 1 in {
1132 // Conditional moves
1133 let Uses = [EFLAGS] in {
1135 // X86 doesn't have 8-bit conditional moves. Use a customDAGSchedInserter to
1136 // emit control flow. An alternative to this is to mark i8 SELECT as Promote,
1137 // however that requires promoting the operands, and can induce additional
1138 // i8 register pressure. Note that CMOV_GR8 is conservatively considered to
1139 // clobber EFLAGS, because if one of the operands is zero, the expansion
1140 // could involve an xor.
1141 let usesCustomDAGSchedInserter = 1, isTwoAddress = 0, Defs = [EFLAGS] in
1142 def CMOV_GR8 : I<0, Pseudo,
1143 (outs GR8:$dst), (ins GR8:$src1, GR8:$src2, i8imm:$cond),
1144 "#CMOV_GR8 PSEUDO!",
1145 [(set GR8:$dst, (X86cmov GR8:$src1, GR8:$src2,
1146 imm:$cond, EFLAGS))]>;
1148 let isCommutable = 1 in {
1149 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
1150 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1151 "cmovb\t{$src2, $dst|$dst, $src2}",
1152 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1153 X86_COND_B, EFLAGS))]>,
1155 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
1156 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1157 "cmovb\t{$src2, $dst|$dst, $src2}",
1158 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1159 X86_COND_B, EFLAGS))]>,
1161 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
1162 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1163 "cmovae\t{$src2, $dst|$dst, $src2}",
1164 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1165 X86_COND_AE, EFLAGS))]>,
1167 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
1168 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1169 "cmovae\t{$src2, $dst|$dst, $src2}",
1170 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1171 X86_COND_AE, EFLAGS))]>,
1173 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
1174 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1175 "cmove\t{$src2, $dst|$dst, $src2}",
1176 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1177 X86_COND_E, EFLAGS))]>,
1179 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
1180 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1181 "cmove\t{$src2, $dst|$dst, $src2}",
1182 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1183 X86_COND_E, EFLAGS))]>,
1185 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
1186 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1187 "cmovne\t{$src2, $dst|$dst, $src2}",
1188 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1189 X86_COND_NE, EFLAGS))]>,
1191 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
1192 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1193 "cmovne\t{$src2, $dst|$dst, $src2}",
1194 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1195 X86_COND_NE, EFLAGS))]>,
1197 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
1198 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1199 "cmovbe\t{$src2, $dst|$dst, $src2}",
1200 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1201 X86_COND_BE, EFLAGS))]>,
1203 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
1204 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1205 "cmovbe\t{$src2, $dst|$dst, $src2}",
1206 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1207 X86_COND_BE, EFLAGS))]>,
1209 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
1210 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1211 "cmova\t{$src2, $dst|$dst, $src2}",
1212 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1213 X86_COND_A, EFLAGS))]>,
1215 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
1216 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1217 "cmova\t{$src2, $dst|$dst, $src2}",
1218 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1219 X86_COND_A, EFLAGS))]>,
1221 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
1222 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1223 "cmovl\t{$src2, $dst|$dst, $src2}",
1224 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1225 X86_COND_L, EFLAGS))]>,
1227 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
1228 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1229 "cmovl\t{$src2, $dst|$dst, $src2}",
1230 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1231 X86_COND_L, EFLAGS))]>,
1233 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
1234 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1235 "cmovge\t{$src2, $dst|$dst, $src2}",
1236 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1237 X86_COND_GE, EFLAGS))]>,
1239 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
1240 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1241 "cmovge\t{$src2, $dst|$dst, $src2}",
1242 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1243 X86_COND_GE, EFLAGS))]>,
1245 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
1246 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1247 "cmovle\t{$src2, $dst|$dst, $src2}",
1248 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1249 X86_COND_LE, EFLAGS))]>,
1251 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
1252 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1253 "cmovle\t{$src2, $dst|$dst, $src2}",
1254 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1255 X86_COND_LE, EFLAGS))]>,
1257 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
1258 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1259 "cmovg\t{$src2, $dst|$dst, $src2}",
1260 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1261 X86_COND_G, EFLAGS))]>,
1263 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
1264 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1265 "cmovg\t{$src2, $dst|$dst, $src2}",
1266 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1267 X86_COND_G, EFLAGS))]>,
1269 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
1270 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1271 "cmovs\t{$src2, $dst|$dst, $src2}",
1272 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1273 X86_COND_S, EFLAGS))]>,
1275 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
1276 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1277 "cmovs\t{$src2, $dst|$dst, $src2}",
1278 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1279 X86_COND_S, EFLAGS))]>,
1281 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
1282 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1283 "cmovns\t{$src2, $dst|$dst, $src2}",
1284 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1285 X86_COND_NS, EFLAGS))]>,
1287 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1288 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1289 "cmovns\t{$src2, $dst|$dst, $src2}",
1290 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1291 X86_COND_NS, EFLAGS))]>,
1293 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1294 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1295 "cmovp\t{$src2, $dst|$dst, $src2}",
1296 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1297 X86_COND_P, EFLAGS))]>,
1299 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1300 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1301 "cmovp\t{$src2, $dst|$dst, $src2}",
1302 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1303 X86_COND_P, EFLAGS))]>,
1305 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1306 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1307 "cmovnp\t{$src2, $dst|$dst, $src2}",
1308 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1309 X86_COND_NP, EFLAGS))]>,
1311 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1312 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1313 "cmovnp\t{$src2, $dst|$dst, $src2}",
1314 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1315 X86_COND_NP, EFLAGS))]>,
1317 def CMOVO16rr : I<0x40, MRMSrcReg, // if overflow, GR16 = GR16
1318 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1319 "cmovo\t{$src2, $dst|$dst, $src2}",
1320 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1321 X86_COND_O, EFLAGS))]>,
1323 def CMOVO32rr : I<0x40, MRMSrcReg, // if overflow, GR32 = GR32
1324 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1325 "cmovo\t{$src2, $dst|$dst, $src2}",
1326 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1327 X86_COND_O, EFLAGS))]>,
1329 def CMOVNO16rr : I<0x41, MRMSrcReg, // if !overflow, GR16 = GR16
1330 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1331 "cmovno\t{$src2, $dst|$dst, $src2}",
1332 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1333 X86_COND_NO, EFLAGS))]>,
1335 def CMOVNO32rr : I<0x41, MRMSrcReg, // if !overflow, GR32 = GR32
1336 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1337 "cmovno\t{$src2, $dst|$dst, $src2}",
1338 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1339 X86_COND_NO, EFLAGS))]>,
1341 } // isCommutable = 1
1343 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1344 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1345 "cmovb\t{$src2, $dst|$dst, $src2}",
1346 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1347 X86_COND_B, EFLAGS))]>,
1349 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1350 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1351 "cmovb\t{$src2, $dst|$dst, $src2}",
1352 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1353 X86_COND_B, EFLAGS))]>,
1355 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1356 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1357 "cmovae\t{$src2, $dst|$dst, $src2}",
1358 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1359 X86_COND_AE, EFLAGS))]>,
1361 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1362 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1363 "cmovae\t{$src2, $dst|$dst, $src2}",
1364 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1365 X86_COND_AE, EFLAGS))]>,
1367 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1368 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1369 "cmove\t{$src2, $dst|$dst, $src2}",
1370 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1371 X86_COND_E, EFLAGS))]>,
1373 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1374 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1375 "cmove\t{$src2, $dst|$dst, $src2}",
1376 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1377 X86_COND_E, EFLAGS))]>,
1379 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1380 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1381 "cmovne\t{$src2, $dst|$dst, $src2}",
1382 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1383 X86_COND_NE, EFLAGS))]>,
1385 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1386 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1387 "cmovne\t{$src2, $dst|$dst, $src2}",
1388 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1389 X86_COND_NE, EFLAGS))]>,
1391 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1392 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1393 "cmovbe\t{$src2, $dst|$dst, $src2}",
1394 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1395 X86_COND_BE, EFLAGS))]>,
1397 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1398 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1399 "cmovbe\t{$src2, $dst|$dst, $src2}",
1400 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1401 X86_COND_BE, EFLAGS))]>,
1403 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1404 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1405 "cmova\t{$src2, $dst|$dst, $src2}",
1406 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1407 X86_COND_A, EFLAGS))]>,
1409 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1410 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1411 "cmova\t{$src2, $dst|$dst, $src2}",
1412 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1413 X86_COND_A, EFLAGS))]>,
1415 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1416 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1417 "cmovl\t{$src2, $dst|$dst, $src2}",
1418 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1419 X86_COND_L, EFLAGS))]>,
1421 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1422 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1423 "cmovl\t{$src2, $dst|$dst, $src2}",
1424 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1425 X86_COND_L, EFLAGS))]>,
1427 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1428 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1429 "cmovge\t{$src2, $dst|$dst, $src2}",
1430 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1431 X86_COND_GE, EFLAGS))]>,
1433 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1434 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1435 "cmovge\t{$src2, $dst|$dst, $src2}",
1436 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1437 X86_COND_GE, EFLAGS))]>,
1439 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1440 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1441 "cmovle\t{$src2, $dst|$dst, $src2}",
1442 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1443 X86_COND_LE, EFLAGS))]>,
1445 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1446 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1447 "cmovle\t{$src2, $dst|$dst, $src2}",
1448 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1449 X86_COND_LE, EFLAGS))]>,
1451 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1452 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1453 "cmovg\t{$src2, $dst|$dst, $src2}",
1454 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1455 X86_COND_G, EFLAGS))]>,
1457 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1458 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1459 "cmovg\t{$src2, $dst|$dst, $src2}",
1460 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1461 X86_COND_G, EFLAGS))]>,
1463 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1464 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1465 "cmovs\t{$src2, $dst|$dst, $src2}",
1466 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1467 X86_COND_S, EFLAGS))]>,
1469 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1470 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1471 "cmovs\t{$src2, $dst|$dst, $src2}",
1472 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1473 X86_COND_S, EFLAGS))]>,
1475 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1476 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1477 "cmovns\t{$src2, $dst|$dst, $src2}",
1478 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1479 X86_COND_NS, EFLAGS))]>,
1481 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1482 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1483 "cmovns\t{$src2, $dst|$dst, $src2}",
1484 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1485 X86_COND_NS, EFLAGS))]>,
1487 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1488 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1489 "cmovp\t{$src2, $dst|$dst, $src2}",
1490 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1491 X86_COND_P, EFLAGS))]>,
1493 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1494 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1495 "cmovp\t{$src2, $dst|$dst, $src2}",
1496 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1497 X86_COND_P, EFLAGS))]>,
1499 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1500 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1501 "cmovnp\t{$src2, $dst|$dst, $src2}",
1502 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1503 X86_COND_NP, EFLAGS))]>,
1505 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1506 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1507 "cmovnp\t{$src2, $dst|$dst, $src2}",
1508 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1509 X86_COND_NP, EFLAGS))]>,
1511 def CMOVO16rm : I<0x40, MRMSrcMem, // if overflow, GR16 = [mem16]
1512 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1513 "cmovo\t{$src2, $dst|$dst, $src2}",
1514 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1515 X86_COND_O, EFLAGS))]>,
1517 def CMOVO32rm : I<0x40, MRMSrcMem, // if overflow, GR32 = [mem32]
1518 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1519 "cmovo\t{$src2, $dst|$dst, $src2}",
1520 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1521 X86_COND_O, EFLAGS))]>,
1523 def CMOVNO16rm : I<0x41, MRMSrcMem, // if !overflow, GR16 = [mem16]
1524 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1525 "cmovno\t{$src2, $dst|$dst, $src2}",
1526 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1527 X86_COND_NO, EFLAGS))]>,
1529 def CMOVNO32rm : I<0x41, MRMSrcMem, // if !overflow, GR32 = [mem32]
1530 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1531 "cmovno\t{$src2, $dst|$dst, $src2}",
1532 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1533 X86_COND_NO, EFLAGS))]>,
1535 } // Uses = [EFLAGS]
1538 // unary instructions
1539 let CodeSize = 2 in {
1540 let Defs = [EFLAGS] in {
1541 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src), "neg{b}\t$dst",
1542 [(set GR8:$dst, (ineg GR8:$src)),
1543 (implicit EFLAGS)]>;
1544 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src), "neg{w}\t$dst",
1545 [(set GR16:$dst, (ineg GR16:$src)),
1546 (implicit EFLAGS)]>, OpSize;
1547 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src), "neg{l}\t$dst",
1548 [(set GR32:$dst, (ineg GR32:$src)),
1549 (implicit EFLAGS)]>;
1550 let isTwoAddress = 0 in {
1551 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), "neg{b}\t$dst",
1552 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
1553 (implicit EFLAGS)]>;
1554 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), "neg{w}\t$dst",
1555 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
1556 (implicit EFLAGS)]>, OpSize;
1557 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), "neg{l}\t$dst",
1558 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
1559 (implicit EFLAGS)]>;
1561 } // Defs = [EFLAGS]
1563 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
1564 let AddedComplexity = 15 in {
1565 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src), "not{b}\t$dst",
1566 [(set GR8:$dst, (not GR8:$src))]>;
1567 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src), "not{w}\t$dst",
1568 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1569 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src), "not{l}\t$dst",
1570 [(set GR32:$dst, (not GR32:$src))]>;
1572 let isTwoAddress = 0 in {
1573 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), "not{b}\t$dst",
1574 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1575 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), "not{w}\t$dst",
1576 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1577 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), "not{l}\t$dst",
1578 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1582 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1583 let Defs = [EFLAGS] in {
1585 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
1586 [(set GR8:$dst, (add GR8:$src, 1)),
1587 (implicit EFLAGS)]>;
1588 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1589 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "inc{w}\t$dst",
1590 [(set GR16:$dst, (add GR16:$src, 1)),
1591 (implicit EFLAGS)]>,
1592 OpSize, Requires<[In32BitMode]>;
1593 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "inc{l}\t$dst",
1594 [(set GR32:$dst, (add GR32:$src, 1)),
1595 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1597 let isTwoAddress = 0, CodeSize = 2 in {
1598 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1599 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
1600 (implicit EFLAGS)]>;
1601 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1602 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
1603 (implicit EFLAGS)]>,
1604 OpSize, Requires<[In32BitMode]>;
1605 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1606 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
1607 (implicit EFLAGS)]>,
1608 Requires<[In32BitMode]>;
1612 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src), "dec{b}\t$dst",
1613 [(set GR8:$dst, (add GR8:$src, -1)),
1614 (implicit EFLAGS)]>;
1615 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1616 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "dec{w}\t$dst",
1617 [(set GR16:$dst, (add GR16:$src, -1)),
1618 (implicit EFLAGS)]>,
1619 OpSize, Requires<[In32BitMode]>;
1620 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "dec{l}\t$dst",
1621 [(set GR32:$dst, (add GR32:$src, -1)),
1622 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1625 let isTwoAddress = 0, CodeSize = 2 in {
1626 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1627 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
1628 (implicit EFLAGS)]>;
1629 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1630 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
1631 (implicit EFLAGS)]>,
1632 OpSize, Requires<[In32BitMode]>;
1633 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1634 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
1635 (implicit EFLAGS)]>,
1636 Requires<[In32BitMode]>;
1638 } // Defs = [EFLAGS]
1640 // Logical operators...
1641 let Defs = [EFLAGS] in {
1642 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1643 def AND8rr : I<0x20, MRMDestReg,
1644 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1645 "and{b}\t{$src2, $dst|$dst, $src2}",
1646 [(set GR8:$dst, (and GR8:$src1, GR8:$src2)),
1647 (implicit EFLAGS)]>;
1648 def AND16rr : I<0x21, MRMDestReg,
1649 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1650 "and{w}\t{$src2, $dst|$dst, $src2}",
1651 [(set GR16:$dst, (and GR16:$src1, GR16:$src2)),
1652 (implicit EFLAGS)]>, OpSize;
1653 def AND32rr : I<0x21, MRMDestReg,
1654 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1655 "and{l}\t{$src2, $dst|$dst, $src2}",
1656 [(set GR32:$dst, (and GR32:$src1, GR32:$src2)),
1657 (implicit EFLAGS)]>;
1660 def AND8rm : I<0x22, MRMSrcMem,
1661 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1662 "and{b}\t{$src2, $dst|$dst, $src2}",
1663 [(set GR8:$dst, (and GR8:$src1, (loadi8 addr:$src2))),
1664 (implicit EFLAGS)]>;
1665 def AND16rm : I<0x23, MRMSrcMem,
1666 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1667 "and{w}\t{$src2, $dst|$dst, $src2}",
1668 [(set GR16:$dst, (and GR16:$src1, (loadi16 addr:$src2))),
1669 (implicit EFLAGS)]>, OpSize;
1670 def AND32rm : I<0x23, MRMSrcMem,
1671 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1672 "and{l}\t{$src2, $dst|$dst, $src2}",
1673 [(set GR32:$dst, (and GR32:$src1, (loadi32 addr:$src2))),
1674 (implicit EFLAGS)]>;
1676 def AND8ri : Ii8<0x80, MRM4r,
1677 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1678 "and{b}\t{$src2, $dst|$dst, $src2}",
1679 [(set GR8:$dst, (and GR8:$src1, imm:$src2)),
1680 (implicit EFLAGS)]>;
1681 def AND16ri : Ii16<0x81, MRM4r,
1682 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1683 "and{w}\t{$src2, $dst|$dst, $src2}",
1684 [(set GR16:$dst, (and GR16:$src1, imm:$src2)),
1685 (implicit EFLAGS)]>, OpSize;
1686 def AND32ri : Ii32<0x81, MRM4r,
1687 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1688 "and{l}\t{$src2, $dst|$dst, $src2}",
1689 [(set GR32:$dst, (and GR32:$src1, imm:$src2)),
1690 (implicit EFLAGS)]>;
1691 def AND16ri8 : Ii8<0x83, MRM4r,
1692 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1693 "and{w}\t{$src2, $dst|$dst, $src2}",
1694 [(set GR16:$dst, (and GR16:$src1, i16immSExt8:$src2)),
1695 (implicit EFLAGS)]>,
1697 def AND32ri8 : Ii8<0x83, MRM4r,
1698 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1699 "and{l}\t{$src2, $dst|$dst, $src2}",
1700 [(set GR32:$dst, (and GR32:$src1, i32immSExt8:$src2)),
1701 (implicit EFLAGS)]>;
1703 let isTwoAddress = 0 in {
1704 def AND8mr : I<0x20, MRMDestMem,
1705 (outs), (ins i8mem :$dst, GR8 :$src),
1706 "and{b}\t{$src, $dst|$dst, $src}",
1707 [(store (and (load addr:$dst), GR8:$src), addr:$dst),
1708 (implicit EFLAGS)]>;
1709 def AND16mr : I<0x21, MRMDestMem,
1710 (outs), (ins i16mem:$dst, GR16:$src),
1711 "and{w}\t{$src, $dst|$dst, $src}",
1712 [(store (and (load addr:$dst), GR16:$src), addr:$dst),
1713 (implicit EFLAGS)]>,
1715 def AND32mr : I<0x21, MRMDestMem,
1716 (outs), (ins i32mem:$dst, GR32:$src),
1717 "and{l}\t{$src, $dst|$dst, $src}",
1718 [(store (and (load addr:$dst), GR32:$src), addr:$dst),
1719 (implicit EFLAGS)]>;
1720 def AND8mi : Ii8<0x80, MRM4m,
1721 (outs), (ins i8mem :$dst, i8imm :$src),
1722 "and{b}\t{$src, $dst|$dst, $src}",
1723 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
1724 (implicit EFLAGS)]>;
1725 def AND16mi : Ii16<0x81, MRM4m,
1726 (outs), (ins i16mem:$dst, i16imm:$src),
1727 "and{w}\t{$src, $dst|$dst, $src}",
1728 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
1729 (implicit EFLAGS)]>,
1731 def AND32mi : Ii32<0x81, MRM4m,
1732 (outs), (ins i32mem:$dst, i32imm:$src),
1733 "and{l}\t{$src, $dst|$dst, $src}",
1734 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
1735 (implicit EFLAGS)]>;
1736 def AND16mi8 : Ii8<0x83, MRM4m,
1737 (outs), (ins i16mem:$dst, i16i8imm :$src),
1738 "and{w}\t{$src, $dst|$dst, $src}",
1739 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
1740 (implicit EFLAGS)]>,
1742 def AND32mi8 : Ii8<0x83, MRM4m,
1743 (outs), (ins i32mem:$dst, i32i8imm :$src),
1744 "and{l}\t{$src, $dst|$dst, $src}",
1745 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
1746 (implicit EFLAGS)]>;
1748 def AND8i8 : Ii8<0x24, RawFrm, (outs), (ins i8imm:$src),
1749 "and{b}\t{$src, %al|%al, $src}", []>;
1750 def AND16i16 : Ii16<0x25, RawFrm, (outs), (ins i16imm:$src),
1751 "and{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1752 def AND32i32 : Ii32<0x25, RawFrm, (outs), (ins i32imm:$src),
1753 "and{l}\t{$src, %eax|%eax, $src}", []>;
1758 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1759 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1760 "or{b}\t{$src2, $dst|$dst, $src2}",
1761 [(set GR8:$dst, (or GR8:$src1, GR8:$src2)),
1762 (implicit EFLAGS)]>;
1763 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1764 "or{w}\t{$src2, $dst|$dst, $src2}",
1765 [(set GR16:$dst, (or GR16:$src1, GR16:$src2)),
1766 (implicit EFLAGS)]>, OpSize;
1767 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1768 "or{l}\t{$src2, $dst|$dst, $src2}",
1769 [(set GR32:$dst, (or GR32:$src1, GR32:$src2)),
1770 (implicit EFLAGS)]>;
1772 def OR8rm : I<0x0A, MRMSrcMem , (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1773 "or{b}\t{$src2, $dst|$dst, $src2}",
1774 [(set GR8:$dst, (or GR8:$src1, (load addr:$src2))),
1775 (implicit EFLAGS)]>;
1776 def OR16rm : I<0x0B, MRMSrcMem , (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1777 "or{w}\t{$src2, $dst|$dst, $src2}",
1778 [(set GR16:$dst, (or GR16:$src1, (load addr:$src2))),
1779 (implicit EFLAGS)]>, OpSize;
1780 def OR32rm : I<0x0B, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1781 "or{l}\t{$src2, $dst|$dst, $src2}",
1782 [(set GR32:$dst, (or GR32:$src1, (load addr:$src2))),
1783 (implicit EFLAGS)]>;
1785 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1786 "or{b}\t{$src2, $dst|$dst, $src2}",
1787 [(set GR8:$dst, (or GR8:$src1, imm:$src2)),
1788 (implicit EFLAGS)]>;
1789 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1790 "or{w}\t{$src2, $dst|$dst, $src2}",
1791 [(set GR16:$dst, (or GR16:$src1, imm:$src2)),
1792 (implicit EFLAGS)]>, OpSize;
1793 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1794 "or{l}\t{$src2, $dst|$dst, $src2}",
1795 [(set GR32:$dst, (or GR32:$src1, imm:$src2)),
1796 (implicit EFLAGS)]>;
1798 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1799 "or{w}\t{$src2, $dst|$dst, $src2}",
1800 [(set GR16:$dst, (or GR16:$src1, i16immSExt8:$src2)),
1801 (implicit EFLAGS)]>, OpSize;
1802 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1803 "or{l}\t{$src2, $dst|$dst, $src2}",
1804 [(set GR32:$dst, (or GR32:$src1, i32immSExt8:$src2)),
1805 (implicit EFLAGS)]>;
1806 let isTwoAddress = 0 in {
1807 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1808 "or{b}\t{$src, $dst|$dst, $src}",
1809 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
1810 (implicit EFLAGS)]>;
1811 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1812 "or{w}\t{$src, $dst|$dst, $src}",
1813 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
1814 (implicit EFLAGS)]>, OpSize;
1815 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1816 "or{l}\t{$src, $dst|$dst, $src}",
1817 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
1818 (implicit EFLAGS)]>;
1819 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1820 "or{b}\t{$src, $dst|$dst, $src}",
1821 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
1822 (implicit EFLAGS)]>;
1823 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
1824 "or{w}\t{$src, $dst|$dst, $src}",
1825 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
1826 (implicit EFLAGS)]>,
1828 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
1829 "or{l}\t{$src, $dst|$dst, $src}",
1830 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
1831 (implicit EFLAGS)]>;
1832 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
1833 "or{w}\t{$src, $dst|$dst, $src}",
1834 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
1835 (implicit EFLAGS)]>,
1837 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
1838 "or{l}\t{$src, $dst|$dst, $src}",
1839 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
1840 (implicit EFLAGS)]>;
1842 def OR8i8 : Ii8 <0x0C, RawFrm, (outs), (ins i8imm:$src),
1843 "or{b}\t{$src, %al|%al, $src}", []>;
1844 def OR16i16 : Ii16 <0x0D, RawFrm, (outs), (ins i16imm:$src),
1845 "or{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1846 def OR32i32 : Ii32 <0x0D, RawFrm, (outs), (ins i32imm:$src),
1847 "or{l}\t{$src, %eax|%eax, $src}", []>;
1848 } // isTwoAddress = 0
1851 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1852 def XOR8rr : I<0x30, MRMDestReg,
1853 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1854 "xor{b}\t{$src2, $dst|$dst, $src2}",
1855 [(set GR8:$dst, (xor GR8:$src1, GR8:$src2)),
1856 (implicit EFLAGS)]>;
1857 def XOR16rr : I<0x31, MRMDestReg,
1858 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1859 "xor{w}\t{$src2, $dst|$dst, $src2}",
1860 [(set GR16:$dst, (xor GR16:$src1, GR16:$src2)),
1861 (implicit EFLAGS)]>, OpSize;
1862 def XOR32rr : I<0x31, MRMDestReg,
1863 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1864 "xor{l}\t{$src2, $dst|$dst, $src2}",
1865 [(set GR32:$dst, (xor GR32:$src1, GR32:$src2)),
1866 (implicit EFLAGS)]>;
1867 } // isCommutable = 1
1869 def XOR8rm : I<0x32, MRMSrcMem ,
1870 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
1871 "xor{b}\t{$src2, $dst|$dst, $src2}",
1872 [(set GR8:$dst, (xor GR8:$src1, (load addr:$src2))),
1873 (implicit EFLAGS)]>;
1874 def XOR16rm : I<0x33, MRMSrcMem ,
1875 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1876 "xor{w}\t{$src2, $dst|$dst, $src2}",
1877 [(set GR16:$dst, (xor GR16:$src1, (load addr:$src2))),
1878 (implicit EFLAGS)]>,
1880 def XOR32rm : I<0x33, MRMSrcMem ,
1881 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1882 "xor{l}\t{$src2, $dst|$dst, $src2}",
1883 [(set GR32:$dst, (xor GR32:$src1, (load addr:$src2))),
1884 (implicit EFLAGS)]>;
1886 def XOR8ri : Ii8<0x80, MRM6r,
1887 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1888 "xor{b}\t{$src2, $dst|$dst, $src2}",
1889 [(set GR8:$dst, (xor GR8:$src1, imm:$src2)),
1890 (implicit EFLAGS)]>;
1891 def XOR16ri : Ii16<0x81, MRM6r,
1892 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1893 "xor{w}\t{$src2, $dst|$dst, $src2}",
1894 [(set GR16:$dst, (xor GR16:$src1, imm:$src2)),
1895 (implicit EFLAGS)]>, OpSize;
1896 def XOR32ri : Ii32<0x81, MRM6r,
1897 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1898 "xor{l}\t{$src2, $dst|$dst, $src2}",
1899 [(set GR32:$dst, (xor GR32:$src1, imm:$src2)),
1900 (implicit EFLAGS)]>;
1901 def XOR16ri8 : Ii8<0x83, MRM6r,
1902 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1903 "xor{w}\t{$src2, $dst|$dst, $src2}",
1904 [(set GR16:$dst, (xor GR16:$src1, i16immSExt8:$src2)),
1905 (implicit EFLAGS)]>,
1907 def XOR32ri8 : Ii8<0x83, MRM6r,
1908 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1909 "xor{l}\t{$src2, $dst|$dst, $src2}",
1910 [(set GR32:$dst, (xor GR32:$src1, i32immSExt8:$src2)),
1911 (implicit EFLAGS)]>;
1913 let isTwoAddress = 0 in {
1914 def XOR8mr : I<0x30, MRMDestMem,
1915 (outs), (ins i8mem :$dst, GR8 :$src),
1916 "xor{b}\t{$src, $dst|$dst, $src}",
1917 [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
1918 (implicit EFLAGS)]>;
1919 def XOR16mr : I<0x31, MRMDestMem,
1920 (outs), (ins i16mem:$dst, GR16:$src),
1921 "xor{w}\t{$src, $dst|$dst, $src}",
1922 [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
1923 (implicit EFLAGS)]>,
1925 def XOR32mr : I<0x31, MRMDestMem,
1926 (outs), (ins i32mem:$dst, GR32:$src),
1927 "xor{l}\t{$src, $dst|$dst, $src}",
1928 [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
1929 (implicit EFLAGS)]>;
1930 def XOR8mi : Ii8<0x80, MRM6m,
1931 (outs), (ins i8mem :$dst, i8imm :$src),
1932 "xor{b}\t{$src, $dst|$dst, $src}",
1933 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
1934 (implicit EFLAGS)]>;
1935 def XOR16mi : Ii16<0x81, MRM6m,
1936 (outs), (ins i16mem:$dst, i16imm:$src),
1937 "xor{w}\t{$src, $dst|$dst, $src}",
1938 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
1939 (implicit EFLAGS)]>,
1941 def XOR32mi : Ii32<0x81, MRM6m,
1942 (outs), (ins i32mem:$dst, i32imm:$src),
1943 "xor{l}\t{$src, $dst|$dst, $src}",
1944 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
1945 (implicit EFLAGS)]>;
1946 def XOR16mi8 : Ii8<0x83, MRM6m,
1947 (outs), (ins i16mem:$dst, i16i8imm :$src),
1948 "xor{w}\t{$src, $dst|$dst, $src}",
1949 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
1950 (implicit EFLAGS)]>,
1952 def XOR32mi8 : Ii8<0x83, MRM6m,
1953 (outs), (ins i32mem:$dst, i32i8imm :$src),
1954 "xor{l}\t{$src, $dst|$dst, $src}",
1955 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
1956 (implicit EFLAGS)]>;
1958 def XOR8i8 : Ii8 <0x34, RawFrm, (outs), (ins i8imm:$src),
1959 "xor{b}\t{$src, %al|%al, $src}", []>;
1960 def XOR16i16 : Ii16 <0x35, RawFrm, (outs), (ins i16imm:$src),
1961 "xor{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1962 def XOR32i32 : Ii32 <0x35, RawFrm, (outs), (ins i32imm:$src),
1963 "xor{l}\t{$src, %eax|%eax, $src}", []>;
1964 } // isTwoAddress = 0
1965 } // Defs = [EFLAGS]
1967 // Shift instructions
1968 let Defs = [EFLAGS] in {
1969 let Uses = [CL] in {
1970 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src),
1971 "shl{b}\t{%cl, $dst|$dst, CL}",
1972 [(set GR8:$dst, (shl GR8:$src, CL))]>;
1973 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src),
1974 "shl{w}\t{%cl, $dst|$dst, CL}",
1975 [(set GR16:$dst, (shl GR16:$src, CL))]>, OpSize;
1976 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src),
1977 "shl{l}\t{%cl, $dst|$dst, CL}",
1978 [(set GR32:$dst, (shl GR32:$src, CL))]>;
1981 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1982 "shl{b}\t{$src2, $dst|$dst, $src2}",
1983 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
1984 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1985 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1986 "shl{w}\t{$src2, $dst|$dst, $src2}",
1987 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1988 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1989 "shl{l}\t{$src2, $dst|$dst, $src2}",
1990 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
1992 // NOTE: We don't include patterns for shifts of a register by one, because
1993 // 'add reg,reg' is cheaper.
1995 def SHL8r1 : I<0xD0, MRM4r, (outs GR8:$dst), (ins GR8:$src1),
1996 "shl{b}\t$dst", []>;
1997 def SHL16r1 : I<0xD1, MRM4r, (outs GR16:$dst), (ins GR16:$src1),
1998 "shl{w}\t$dst", []>, OpSize;
1999 def SHL32r1 : I<0xD1, MRM4r, (outs GR32:$dst), (ins GR32:$src1),
2000 "shl{l}\t$dst", []>;
2002 } // isConvertibleToThreeAddress = 1
2004 let isTwoAddress = 0 in {
2005 let Uses = [CL] in {
2006 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
2007 "shl{b}\t{%cl, $dst|$dst, CL}",
2008 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
2009 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
2010 "shl{w}\t{%cl, $dst|$dst, CL}",
2011 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2012 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
2013 "shl{l}\t{%cl, $dst|$dst, CL}",
2014 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
2016 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
2017 "shl{b}\t{$src, $dst|$dst, $src}",
2018 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2019 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
2020 "shl{w}\t{$src, $dst|$dst, $src}",
2021 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2023 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
2024 "shl{l}\t{$src, $dst|$dst, $src}",
2025 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2028 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
2030 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2031 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
2033 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2035 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
2037 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2040 let Uses = [CL] in {
2041 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src),
2042 "shr{b}\t{%cl, $dst|$dst, CL}",
2043 [(set GR8:$dst, (srl GR8:$src, CL))]>;
2044 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src),
2045 "shr{w}\t{%cl, $dst|$dst, CL}",
2046 [(set GR16:$dst, (srl GR16:$src, CL))]>, OpSize;
2047 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src),
2048 "shr{l}\t{%cl, $dst|$dst, CL}",
2049 [(set GR32:$dst, (srl GR32:$src, CL))]>;
2052 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2053 "shr{b}\t{$src2, $dst|$dst, $src2}",
2054 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
2055 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2056 "shr{w}\t{$src2, $dst|$dst, $src2}",
2057 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2058 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2059 "shr{l}\t{$src2, $dst|$dst, $src2}",
2060 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
2063 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
2065 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
2066 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
2068 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
2069 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
2071 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
2073 let isTwoAddress = 0 in {
2074 let Uses = [CL] in {
2075 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
2076 "shr{b}\t{%cl, $dst|$dst, CL}",
2077 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
2078 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
2079 "shr{w}\t{%cl, $dst|$dst, CL}",
2080 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
2082 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
2083 "shr{l}\t{%cl, $dst|$dst, CL}",
2084 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
2086 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
2087 "shr{b}\t{$src, $dst|$dst, $src}",
2088 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2089 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
2090 "shr{w}\t{$src, $dst|$dst, $src}",
2091 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2093 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
2094 "shr{l}\t{$src, $dst|$dst, $src}",
2095 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2098 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
2100 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2101 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
2103 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
2104 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
2106 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2109 let Uses = [CL] in {
2110 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src),
2111 "sar{b}\t{%cl, $dst|$dst, CL}",
2112 [(set GR8:$dst, (sra GR8:$src, CL))]>;
2113 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src),
2114 "sar{w}\t{%cl, $dst|$dst, CL}",
2115 [(set GR16:$dst, (sra GR16:$src, CL))]>, OpSize;
2116 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src),
2117 "sar{l}\t{%cl, $dst|$dst, CL}",
2118 [(set GR32:$dst, (sra GR32:$src, CL))]>;
2121 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2122 "sar{b}\t{$src2, $dst|$dst, $src2}",
2123 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
2124 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2125 "sar{w}\t{$src2, $dst|$dst, $src2}",
2126 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
2128 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2129 "sar{l}\t{$src2, $dst|$dst, $src2}",
2130 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
2133 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
2135 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
2136 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
2138 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
2139 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
2141 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
2143 let isTwoAddress = 0 in {
2144 let Uses = [CL] in {
2145 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
2146 "sar{b}\t{%cl, $dst|$dst, CL}",
2147 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
2148 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
2149 "sar{w}\t{%cl, $dst|$dst, CL}",
2150 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2151 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
2152 "sar{l}\t{%cl, $dst|$dst, CL}",
2153 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
2155 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
2156 "sar{b}\t{$src, $dst|$dst, $src}",
2157 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2158 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
2159 "sar{w}\t{$src, $dst|$dst, $src}",
2160 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2162 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
2163 "sar{l}\t{$src, $dst|$dst, $src}",
2164 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2167 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
2169 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2170 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
2172 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2174 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
2176 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2179 // Rotate instructions
2181 def RCL8r1 : I<0xD0, MRM2r, (outs GR8:$dst), (ins GR8:$src),
2182 "rcl{b}\t{1, $dst|$dst, 1}", []>;
2183 def RCL8m1 : I<0xD0, MRM2m, (outs i8mem:$dst), (ins i8mem:$src),
2184 "rcl{b}\t{1, $dst|$dst, 1}", []>;
2185 let Uses = [CL] in {
2186 def RCL8rCL : I<0xD2, MRM2r, (outs GR8:$dst), (ins GR8:$src),
2187 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
2188 def RCL8mCL : I<0xD2, MRM2m, (outs i8mem:$dst), (ins i8mem:$src),
2189 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
2191 def RCL8ri : Ii8<0xC0, MRM2r, (outs GR8:$dst), (ins GR8:$src, i8imm:$cnt),
2192 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2193 def RCL8mi : Ii8<0xC0, MRM2m, (outs i8mem:$dst), (ins i8mem:$src, i8imm:$cnt),
2194 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2196 def RCL16r1 : I<0xD1, MRM2r, (outs GR16:$dst), (ins GR16:$src),
2197 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2198 def RCL16m1 : I<0xD1, MRM2m, (outs i16mem:$dst), (ins i16mem:$src),
2199 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2200 let Uses = [CL] in {
2201 def RCL16rCL : I<0xD3, MRM2r, (outs GR16:$dst), (ins GR16:$src),
2202 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2203 def RCL16mCL : I<0xD3, MRM2m, (outs i16mem:$dst), (ins i16mem:$src),
2204 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2206 def RCL16ri : Ii8<0xC1, MRM2r, (outs GR16:$dst), (ins GR16:$src, i8imm:$cnt),
2207 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2208 def RCL16mi : Ii8<0xC1, MRM2m, (outs i16mem:$dst), (ins i16mem:$src, i8imm:$cnt),
2209 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2211 def RCL32r1 : I<0xD1, MRM2r, (outs GR32:$dst), (ins GR32:$src),
2212 "rcl{l}\t{1, $dst|$dst, 1}", []>;
2213 def RCL32m1 : I<0xD1, MRM2m, (outs i32mem:$dst), (ins i32mem:$src),
2214 "rcl{l}\t{1, $dst|$dst, 1}", []>;
2215 let Uses = [CL] in {
2216 def RCL32rCL : I<0xD3, MRM2r, (outs GR32:$dst), (ins GR32:$src),
2217 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
2218 def RCL32mCL : I<0xD3, MRM2m, (outs i32mem:$dst), (ins i32mem:$src),
2219 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
2221 def RCL32ri : Ii8<0xC1, MRM2r, (outs GR32:$dst), (ins GR32:$src, i8imm:$cnt),
2222 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2223 def RCL32mi : Ii8<0xC1, MRM2m, (outs i32mem:$dst), (ins i32mem:$src, i8imm:$cnt),
2224 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2226 def RCR8r1 : I<0xD0, MRM3r, (outs GR8:$dst), (ins GR8:$src),
2227 "rcr{b}\t{1, $dst|$dst, 1}", []>;
2228 def RCR8m1 : I<0xD0, MRM3m, (outs i8mem:$dst), (ins i8mem:$src),
2229 "rcr{b}\t{1, $dst|$dst, 1}", []>;
2230 let Uses = [CL] in {
2231 def RCR8rCL : I<0xD2, MRM3r, (outs GR8:$dst), (ins GR8:$src),
2232 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
2233 def RCR8mCL : I<0xD2, MRM3m, (outs i8mem:$dst), (ins i8mem:$src),
2234 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
2236 def RCR8ri : Ii8<0xC0, MRM3r, (outs GR8:$dst), (ins GR8:$src, i8imm:$cnt),
2237 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2238 def RCR8mi : Ii8<0xC0, MRM3m, (outs i8mem:$dst), (ins i8mem:$src, i8imm:$cnt),
2239 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2241 def RCR16r1 : I<0xD1, MRM3r, (outs GR16:$dst), (ins GR16:$src),
2242 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2243 def RCR16m1 : I<0xD1, MRM3m, (outs i16mem:$dst), (ins i16mem:$src),
2244 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2245 let Uses = [CL] in {
2246 def RCR16rCL : I<0xD3, MRM3r, (outs GR16:$dst), (ins GR16:$src),
2247 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2248 def RCR16mCL : I<0xD3, MRM3m, (outs i16mem:$dst), (ins i16mem:$src),
2249 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2251 def RCR16ri : Ii8<0xC1, MRM3r, (outs GR16:$dst), (ins GR16:$src, i8imm:$cnt),
2252 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2253 def RCR16mi : Ii8<0xC1, MRM3m, (outs i16mem:$dst), (ins i16mem:$src, i8imm:$cnt),
2254 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2256 def RCR32r1 : I<0xD1, MRM3r, (outs GR32:$dst), (ins GR32:$src),
2257 "rcr{l}\t{1, $dst|$dst, 1}", []>;
2258 def RCR32m1 : I<0xD1, MRM3m, (outs i32mem:$dst), (ins i32mem:$src),
2259 "rcr{l}\t{1, $dst|$dst, 1}", []>;
2260 let Uses = [CL] in {
2261 def RCR32rCL : I<0xD3, MRM3r, (outs GR32:$dst), (ins GR32:$src),
2262 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
2263 def RCR32mCL : I<0xD3, MRM3m, (outs i32mem:$dst), (ins i32mem:$src),
2264 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
2266 def RCR32ri : Ii8<0xC1, MRM3r, (outs GR32:$dst), (ins GR32:$src, i8imm:$cnt),
2267 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2268 def RCR32mi : Ii8<0xC1, MRM3m, (outs i32mem:$dst), (ins i32mem:$src, i8imm:$cnt),
2269 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2271 // FIXME: provide shorter instructions when imm8 == 1
2272 let Uses = [CL] in {
2273 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),
2274 "rol{b}\t{%cl, $dst|$dst, CL}",
2275 [(set GR8:$dst, (rotl GR8:$src, CL))]>;
2276 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src),
2277 "rol{w}\t{%cl, $dst|$dst, CL}",
2278 [(set GR16:$dst, (rotl GR16:$src, CL))]>, OpSize;
2279 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src),
2280 "rol{l}\t{%cl, $dst|$dst, CL}",
2281 [(set GR32:$dst, (rotl GR32:$src, CL))]>;
2284 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2285 "rol{b}\t{$src2, $dst|$dst, $src2}",
2286 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
2287 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2288 "rol{w}\t{$src2, $dst|$dst, $src2}",
2289 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2290 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2291 "rol{l}\t{$src2, $dst|$dst, $src2}",
2292 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
2295 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
2297 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
2298 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
2300 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
2301 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
2303 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
2305 let isTwoAddress = 0 in {
2306 let Uses = [CL] in {
2307 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
2308 "rol{b}\t{%cl, $dst|$dst, CL}",
2309 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
2310 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
2311 "rol{w}\t{%cl, $dst|$dst, CL}",
2312 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2313 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
2314 "rol{l}\t{%cl, $dst|$dst, CL}",
2315 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
2317 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
2318 "rol{b}\t{$src, $dst|$dst, $src}",
2319 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2320 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
2321 "rol{w}\t{$src, $dst|$dst, $src}",
2322 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2324 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
2325 "rol{l}\t{$src, $dst|$dst, $src}",
2326 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2329 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
2331 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2332 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
2334 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2336 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
2338 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2341 let Uses = [CL] in {
2342 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),
2343 "ror{b}\t{%cl, $dst|$dst, CL}",
2344 [(set GR8:$dst, (rotr GR8:$src, CL))]>;
2345 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src),
2346 "ror{w}\t{%cl, $dst|$dst, CL}",
2347 [(set GR16:$dst, (rotr GR16:$src, CL))]>, OpSize;
2348 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src),
2349 "ror{l}\t{%cl, $dst|$dst, CL}",
2350 [(set GR32:$dst, (rotr GR32:$src, CL))]>;
2353 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2354 "ror{b}\t{$src2, $dst|$dst, $src2}",
2355 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
2356 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2357 "ror{w}\t{$src2, $dst|$dst, $src2}",
2358 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2359 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2360 "ror{l}\t{$src2, $dst|$dst, $src2}",
2361 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
2364 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2366 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
2367 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2369 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
2370 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2372 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
2374 let isTwoAddress = 0 in {
2375 let Uses = [CL] in {
2376 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
2377 "ror{b}\t{%cl, $dst|$dst, CL}",
2378 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
2379 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
2380 "ror{w}\t{%cl, $dst|$dst, CL}",
2381 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2382 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
2383 "ror{l}\t{%cl, $dst|$dst, CL}",
2384 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
2386 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2387 "ror{b}\t{$src, $dst|$dst, $src}",
2388 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2389 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
2390 "ror{w}\t{$src, $dst|$dst, $src}",
2391 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2393 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
2394 "ror{l}\t{$src, $dst|$dst, $src}",
2395 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2398 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
2400 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2401 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
2403 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2405 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
2407 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2412 // Double shift instructions (generalizations of rotate)
2413 let Uses = [CL] in {
2414 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2415 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2416 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
2417 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2418 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2419 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
2420 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2421 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2422 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
2424 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2425 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2426 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
2430 let isCommutable = 1 in { // These instructions commute to each other.
2431 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
2432 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2433 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2434 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
2437 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
2438 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2439 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2440 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
2443 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
2444 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2445 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2446 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
2449 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
2450 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2451 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2452 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
2457 let isTwoAddress = 0 in {
2458 let Uses = [CL] in {
2459 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2460 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2461 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
2463 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2464 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2465 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
2468 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
2469 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2470 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2471 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
2472 (i8 imm:$src3)), addr:$dst)]>,
2474 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
2475 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2476 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2477 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
2478 (i8 imm:$src3)), addr:$dst)]>,
2481 let Uses = [CL] in {
2482 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2483 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2484 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
2485 addr:$dst)]>, TB, OpSize;
2486 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2487 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2488 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
2489 addr:$dst)]>, TB, OpSize;
2491 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
2492 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2493 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2494 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
2495 (i8 imm:$src3)), addr:$dst)]>,
2497 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
2498 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2499 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2500 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
2501 (i8 imm:$src3)), addr:$dst)]>,
2504 } // Defs = [EFLAGS]
2508 let Defs = [EFLAGS] in {
2509 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
2510 // Register-Register Addition
2511 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
2512 (ins GR8 :$src1, GR8 :$src2),
2513 "add{b}\t{$src2, $dst|$dst, $src2}",
2514 [(set GR8:$dst, (add GR8:$src1, GR8:$src2)),
2515 (implicit EFLAGS)]>;
2517 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2518 // Register-Register Addition
2519 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
2520 (ins GR16:$src1, GR16:$src2),
2521 "add{w}\t{$src2, $dst|$dst, $src2}",
2522 [(set GR16:$dst, (add GR16:$src1, GR16:$src2)),
2523 (implicit EFLAGS)]>, OpSize;
2524 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
2525 (ins GR32:$src1, GR32:$src2),
2526 "add{l}\t{$src2, $dst|$dst, $src2}",
2527 [(set GR32:$dst, (add GR32:$src1, GR32:$src2)),
2528 (implicit EFLAGS)]>;
2529 } // end isConvertibleToThreeAddress
2530 } // end isCommutable
2532 // Register-Memory Addition
2533 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
2534 (ins GR8 :$src1, i8mem :$src2),
2535 "add{b}\t{$src2, $dst|$dst, $src2}",
2536 [(set GR8:$dst, (add GR8:$src1, (load addr:$src2))),
2537 (implicit EFLAGS)]>;
2538 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
2539 (ins GR16:$src1, i16mem:$src2),
2540 "add{w}\t{$src2, $dst|$dst, $src2}",
2541 [(set GR16:$dst, (add GR16:$src1, (load addr:$src2))),
2542 (implicit EFLAGS)]>, OpSize;
2543 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
2544 (ins GR32:$src1, i32mem:$src2),
2545 "add{l}\t{$src2, $dst|$dst, $src2}",
2546 [(set GR32:$dst, (add GR32:$src1, (load addr:$src2))),
2547 (implicit EFLAGS)]>;
2549 // Register-Register Addition - Equivalent to the normal rr forms (ADD8rr,
2550 // ADD16rr, and ADD32rr), but differently encoded.
2551 def ADD8mrmrr: I<0x02, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2552 "add{b}\t{$src2, $dst|$dst, $src2}", []>;
2553 def ADD16mrmrr: I<0x03, MRMSrcReg,(outs GR16:$dst),(ins GR16:$src1, GR16:$src2),
2554 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2555 def ADD32mrmrr: I<0x03, MRMSrcReg,(outs GR16:$dst),(ins GR16:$src1, GR16:$src2),
2556 "add{l}\t{$src2, $dst|$dst, $src2}", []>;
2558 // Register-Integer Addition
2559 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2560 "add{b}\t{$src2, $dst|$dst, $src2}",
2561 [(set GR8:$dst, (add GR8:$src1, imm:$src2)),
2562 (implicit EFLAGS)]>;
2564 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2565 // Register-Integer Addition
2566 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
2567 (ins GR16:$src1, i16imm:$src2),
2568 "add{w}\t{$src2, $dst|$dst, $src2}",
2569 [(set GR16:$dst, (add GR16:$src1, imm:$src2)),
2570 (implicit EFLAGS)]>, OpSize;
2571 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2572 (ins GR32:$src1, i32imm:$src2),
2573 "add{l}\t{$src2, $dst|$dst, $src2}",
2574 [(set GR32:$dst, (add GR32:$src1, imm:$src2)),
2575 (implicit EFLAGS)]>;
2576 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2577 (ins GR16:$src1, i16i8imm:$src2),
2578 "add{w}\t{$src2, $dst|$dst, $src2}",
2579 [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2)),
2580 (implicit EFLAGS)]>, OpSize;
2581 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2582 (ins GR32:$src1, i32i8imm:$src2),
2583 "add{l}\t{$src2, $dst|$dst, $src2}",
2584 [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2)),
2585 (implicit EFLAGS)]>;
2588 let isTwoAddress = 0 in {
2589 // Memory-Register Addition
2590 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2591 "add{b}\t{$src2, $dst|$dst, $src2}",
2592 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2593 (implicit EFLAGS)]>;
2594 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2595 "add{w}\t{$src2, $dst|$dst, $src2}",
2596 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2597 (implicit EFLAGS)]>, OpSize;
2598 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2599 "add{l}\t{$src2, $dst|$dst, $src2}",
2600 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2601 (implicit EFLAGS)]>;
2602 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2603 "add{b}\t{$src2, $dst|$dst, $src2}",
2604 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2605 (implicit EFLAGS)]>;
2606 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2607 "add{w}\t{$src2, $dst|$dst, $src2}",
2608 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2609 (implicit EFLAGS)]>, OpSize;
2610 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2611 "add{l}\t{$src2, $dst|$dst, $src2}",
2612 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2613 (implicit EFLAGS)]>;
2614 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2615 "add{w}\t{$src2, $dst|$dst, $src2}",
2616 [(store (add (load addr:$dst), i16immSExt8:$src2),
2618 (implicit EFLAGS)]>, OpSize;
2619 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2620 "add{l}\t{$src2, $dst|$dst, $src2}",
2621 [(store (add (load addr:$dst), i32immSExt8:$src2),
2623 (implicit EFLAGS)]>;
2626 def ADD8i8 : Ii8<0x04, RawFrm, (outs), (ins i8imm:$src),
2627 "add{b}\t{$src, %al|%al, $src}", []>;
2628 def ADD16i16 : Ii16<0x05, RawFrm, (outs), (ins i16imm:$src),
2629 "add{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2630 def ADD32i32 : Ii32<0x05, RawFrm, (outs), (ins i32imm:$src),
2631 "add{l}\t{$src, %eax|%eax, $src}", []>;
2634 let Uses = [EFLAGS] in {
2635 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2636 def ADC8rr : I<0x10, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2637 "adc{b}\t{$src2, $dst|$dst, $src2}",
2638 [(set GR8:$dst, (adde GR8:$src1, GR8:$src2))]>;
2639 def ADC16rr : I<0x11, MRMDestReg, (outs GR16:$dst),
2640 (ins GR16:$src1, GR16:$src2),
2641 "adc{w}\t{$src2, $dst|$dst, $src2}",
2642 [(set GR16:$dst, (adde GR16:$src1, GR16:$src2))]>, OpSize;
2643 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst),
2644 (ins GR32:$src1, GR32:$src2),
2645 "adc{l}\t{$src2, $dst|$dst, $src2}",
2646 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2648 def ADC8rm : I<0x12, MRMSrcMem , (outs GR8:$dst),
2649 (ins GR8:$src1, i8mem:$src2),
2650 "adc{b}\t{$src2, $dst|$dst, $src2}",
2651 [(set GR8:$dst, (adde GR8:$src1, (load addr:$src2)))]>;
2652 def ADC16rm : I<0x13, MRMSrcMem , (outs GR16:$dst),
2653 (ins GR16:$src1, i16mem:$src2),
2654 "adc{w}\t{$src2, $dst|$dst, $src2}",
2655 [(set GR16:$dst, (adde GR16:$src1, (load addr:$src2)))]>,
2657 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst),
2658 (ins GR32:$src1, i32mem:$src2),
2659 "adc{l}\t{$src2, $dst|$dst, $src2}",
2660 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2661 def ADC8ri : Ii8<0x80, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2662 "adc{b}\t{$src2, $dst|$dst, $src2}",
2663 [(set GR8:$dst, (adde GR8:$src1, imm:$src2))]>;
2664 def ADC16ri : Ii16<0x81, MRM2r, (outs GR16:$dst),
2665 (ins GR16:$src1, i16imm:$src2),
2666 "adc{w}\t{$src2, $dst|$dst, $src2}",
2667 [(set GR16:$dst, (adde GR16:$src1, imm:$src2))]>, OpSize;
2668 def ADC16ri8 : Ii8<0x83, MRM2r, (outs GR16:$dst),
2669 (ins GR16:$src1, i16i8imm:$src2),
2670 "adc{w}\t{$src2, $dst|$dst, $src2}",
2671 [(set GR16:$dst, (adde GR16:$src1, i16immSExt8:$src2))]>,
2673 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst),
2674 (ins GR32:$src1, i32imm:$src2),
2675 "adc{l}\t{$src2, $dst|$dst, $src2}",
2676 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2677 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst),
2678 (ins GR32:$src1, i32i8imm:$src2),
2679 "adc{l}\t{$src2, $dst|$dst, $src2}",
2680 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2682 let isTwoAddress = 0 in {
2683 def ADC8mr : I<0x10, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2684 "adc{b}\t{$src2, $dst|$dst, $src2}",
2685 [(store (adde (load addr:$dst), GR8:$src2), addr:$dst)]>;
2686 def ADC16mr : I<0x11, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2687 "adc{w}\t{$src2, $dst|$dst, $src2}",
2688 [(store (adde (load addr:$dst), GR16:$src2), addr:$dst)]>,
2690 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2691 "adc{l}\t{$src2, $dst|$dst, $src2}",
2692 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2693 def ADC8mi : Ii8<0x80, MRM2m, (outs), (ins i8mem:$dst, i8imm:$src2),
2694 "adc{b}\t{$src2, $dst|$dst, $src2}",
2695 [(store (adde (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2696 def ADC16mi : Ii16<0x81, MRM2m, (outs), (ins i16mem:$dst, i16imm:$src2),
2697 "adc{w}\t{$src2, $dst|$dst, $src2}",
2698 [(store (adde (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2700 def ADC16mi8 : Ii8<0x83, MRM2m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2701 "adc{w}\t{$src2, $dst|$dst, $src2}",
2702 [(store (adde (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2704 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2705 "adc{l}\t{$src2, $dst|$dst, $src2}",
2706 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2707 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2708 "adc{l}\t{$src2, $dst|$dst, $src2}",
2709 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2711 def ADC8i8 : Ii8<0x14, RawFrm, (outs), (ins i8imm:$src),
2712 "adc{b}\t{$src, %al|%al, $src}", []>;
2713 def ADC16i16 : Ii16<0x15, RawFrm, (outs), (ins i16imm:$src),
2714 "adc{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2715 def ADC32i32 : Ii32<0x15, RawFrm, (outs), (ins i32imm:$src),
2716 "adc{l}\t{$src, %eax|%eax, $src}", []>;
2718 } // Uses = [EFLAGS]
2720 // Register-Register Subtraction
2721 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2722 "sub{b}\t{$src2, $dst|$dst, $src2}",
2723 [(set GR8:$dst, (sub GR8:$src1, GR8:$src2)),
2724 (implicit EFLAGS)]>;
2725 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2726 "sub{w}\t{$src2, $dst|$dst, $src2}",
2727 [(set GR16:$dst, (sub GR16:$src1, GR16:$src2)),
2728 (implicit EFLAGS)]>, OpSize;
2729 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2730 "sub{l}\t{$src2, $dst|$dst, $src2}",
2731 [(set GR32:$dst, (sub GR32:$src1, GR32:$src2)),
2732 (implicit EFLAGS)]>;
2734 // Register-Memory Subtraction
2735 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
2736 (ins GR8 :$src1, i8mem :$src2),
2737 "sub{b}\t{$src2, $dst|$dst, $src2}",
2738 [(set GR8:$dst, (sub GR8:$src1, (load addr:$src2))),
2739 (implicit EFLAGS)]>;
2740 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
2741 (ins GR16:$src1, i16mem:$src2),
2742 "sub{w}\t{$src2, $dst|$dst, $src2}",
2743 [(set GR16:$dst, (sub GR16:$src1, (load addr:$src2))),
2744 (implicit EFLAGS)]>, OpSize;
2745 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
2746 (ins GR32:$src1, i32mem:$src2),
2747 "sub{l}\t{$src2, $dst|$dst, $src2}",
2748 [(set GR32:$dst, (sub GR32:$src1, (load addr:$src2))),
2749 (implicit EFLAGS)]>;
2751 // Register-Integer Subtraction
2752 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
2753 (ins GR8:$src1, i8imm:$src2),
2754 "sub{b}\t{$src2, $dst|$dst, $src2}",
2755 [(set GR8:$dst, (sub GR8:$src1, imm:$src2)),
2756 (implicit EFLAGS)]>;
2757 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
2758 (ins GR16:$src1, i16imm:$src2),
2759 "sub{w}\t{$src2, $dst|$dst, $src2}",
2760 [(set GR16:$dst, (sub GR16:$src1, imm:$src2)),
2761 (implicit EFLAGS)]>, OpSize;
2762 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
2763 (ins GR32:$src1, i32imm:$src2),
2764 "sub{l}\t{$src2, $dst|$dst, $src2}",
2765 [(set GR32:$dst, (sub GR32:$src1, imm:$src2)),
2766 (implicit EFLAGS)]>;
2767 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
2768 (ins GR16:$src1, i16i8imm:$src2),
2769 "sub{w}\t{$src2, $dst|$dst, $src2}",
2770 [(set GR16:$dst, (sub GR16:$src1, i16immSExt8:$src2)),
2771 (implicit EFLAGS)]>, OpSize;
2772 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
2773 (ins GR32:$src1, i32i8imm:$src2),
2774 "sub{l}\t{$src2, $dst|$dst, $src2}",
2775 [(set GR32:$dst, (sub GR32:$src1, i32immSExt8:$src2)),
2776 (implicit EFLAGS)]>;
2778 let isTwoAddress = 0 in {
2779 // Memory-Register Subtraction
2780 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
2781 "sub{b}\t{$src2, $dst|$dst, $src2}",
2782 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
2783 (implicit EFLAGS)]>;
2784 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2785 "sub{w}\t{$src2, $dst|$dst, $src2}",
2786 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
2787 (implicit EFLAGS)]>, OpSize;
2788 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2789 "sub{l}\t{$src2, $dst|$dst, $src2}",
2790 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
2791 (implicit EFLAGS)]>;
2793 // Memory-Integer Subtraction
2794 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
2795 "sub{b}\t{$src2, $dst|$dst, $src2}",
2796 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
2797 (implicit EFLAGS)]>;
2798 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
2799 "sub{w}\t{$src2, $dst|$dst, $src2}",
2800 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
2801 (implicit EFLAGS)]>, OpSize;
2802 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
2803 "sub{l}\t{$src2, $dst|$dst, $src2}",
2804 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
2805 (implicit EFLAGS)]>;
2806 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2807 "sub{w}\t{$src2, $dst|$dst, $src2}",
2808 [(store (sub (load addr:$dst), i16immSExt8:$src2),
2810 (implicit EFLAGS)]>, OpSize;
2811 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2812 "sub{l}\t{$src2, $dst|$dst, $src2}",
2813 [(store (sub (load addr:$dst), i32immSExt8:$src2),
2815 (implicit EFLAGS)]>;
2817 def SUB8i8 : Ii8<0x2C, RawFrm, (outs), (ins i8imm:$src),
2818 "sub{b}\t{$src, %al|%al, $src}", []>;
2819 def SUB16i16 : Ii16<0x2D, RawFrm, (outs), (ins i16imm:$src),
2820 "sub{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2821 def SUB32i32 : Ii32<0x2D, RawFrm, (outs), (ins i32imm:$src),
2822 "sub{l}\t{$src, %eax|%eax, $src}", []>;
2825 let Uses = [EFLAGS] in {
2826 def SBB8rr : I<0x18, MRMDestReg, (outs GR8:$dst),
2827 (ins GR8:$src1, GR8:$src2),
2828 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2829 [(set GR8:$dst, (sube GR8:$src1, GR8:$src2))]>;
2830 def SBB16rr : I<0x19, MRMDestReg, (outs GR16:$dst),
2831 (ins GR16:$src1, GR16:$src2),
2832 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2833 [(set GR16:$dst, (sube GR16:$src1, GR16:$src2))]>, OpSize;
2834 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst),
2835 (ins GR32:$src1, GR32:$src2),
2836 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2837 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
2839 let isTwoAddress = 0 in {
2840 def SBB8mr : I<0x18, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2841 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2842 [(store (sube (load addr:$dst), GR8:$src2), addr:$dst)]>;
2843 def SBB16mr : I<0x19, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2844 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2845 [(store (sube (load addr:$dst), GR16:$src2), addr:$dst)]>,
2847 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2848 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2849 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
2850 def SBB8mi : Ii32<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
2851 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2852 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2853 def SBB16mi : Ii16<0x81, MRM3m, (outs), (ins i16mem:$dst, i16imm:$src2),
2854 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2855 [(store (sube (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2857 def SBB16mi8 : Ii8<0x83, MRM3m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2858 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2859 [(store (sube (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2861 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
2862 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2863 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2864 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2865 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2866 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2868 def SBB8i8 : Ii8<0x1C, RawFrm, (outs), (ins i8imm:$src),
2869 "sbb{b}\t{$src, %al|%al, $src}", []>;
2870 def SBB16i16 : Ii16<0x1D, RawFrm, (outs), (ins i16imm:$src),
2871 "sbb{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2872 def SBB32i32 : Ii32<0x1D, RawFrm, (outs), (ins i32imm:$src),
2873 "sbb{l}\t{$src, %eax|%eax, $src}", []>;
2875 def SBB8rm : I<0x1A, MRMSrcMem, (outs GR8:$dst), (ins GR8:$src1, i8mem:$src2),
2876 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2877 [(set GR8:$dst, (sube GR8:$src1, (load addr:$src2)))]>;
2878 def SBB16rm : I<0x1B, MRMSrcMem, (outs GR16:$dst),
2879 (ins GR16:$src1, i16mem:$src2),
2880 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2881 [(set GR16:$dst, (sube GR16:$src1, (load addr:$src2)))]>,
2883 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst),
2884 (ins GR32:$src1, i32mem:$src2),
2885 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2886 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
2887 def SBB8ri : Ii8<0x80, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2888 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2889 [(set GR8:$dst, (sube GR8:$src1, imm:$src2))]>;
2890 def SBB16ri : Ii16<0x81, MRM3r, (outs GR16:$dst),
2891 (ins GR16:$src1, i16imm:$src2),
2892 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2893 [(set GR16:$dst, (sube GR16:$src1, imm:$src2))]>, OpSize;
2894 def SBB16ri8 : Ii8<0x83, MRM3r, (outs GR16:$dst),
2895 (ins GR16:$src1, i16i8imm:$src2),
2896 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2897 [(set GR16:$dst, (sube GR16:$src1, i16immSExt8:$src2))]>,
2899 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst),
2900 (ins GR32:$src1, i32imm:$src2),
2901 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2902 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
2903 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst),
2904 (ins GR32:$src1, i32i8imm:$src2),
2905 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2906 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
2907 } // Uses = [EFLAGS]
2908 } // Defs = [EFLAGS]
2910 let Defs = [EFLAGS] in {
2911 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
2912 // Register-Register Signed Integer Multiply
2913 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2914 "imul{w}\t{$src2, $dst|$dst, $src2}",
2915 [(set GR16:$dst, (mul GR16:$src1, GR16:$src2)),
2916 (implicit EFLAGS)]>, TB, OpSize;
2917 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2918 "imul{l}\t{$src2, $dst|$dst, $src2}",
2919 [(set GR32:$dst, (mul GR32:$src1, GR32:$src2)),
2920 (implicit EFLAGS)]>, TB;
2923 // Register-Memory Signed Integer Multiply
2924 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
2925 (ins GR16:$src1, i16mem:$src2),
2926 "imul{w}\t{$src2, $dst|$dst, $src2}",
2927 [(set GR16:$dst, (mul GR16:$src1, (load addr:$src2))),
2928 (implicit EFLAGS)]>, TB, OpSize;
2929 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2930 "imul{l}\t{$src2, $dst|$dst, $src2}",
2931 [(set GR32:$dst, (mul GR32:$src1, (load addr:$src2))),
2932 (implicit EFLAGS)]>, TB;
2933 } // Defs = [EFLAGS]
2934 } // end Two Address instructions
2936 // Suprisingly enough, these are not two address instructions!
2937 let Defs = [EFLAGS] in {
2938 // Register-Integer Signed Integer Multiply
2939 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
2940 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2941 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2942 [(set GR16:$dst, (mul GR16:$src1, imm:$src2)),
2943 (implicit EFLAGS)]>, OpSize;
2944 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
2945 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2946 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2947 [(set GR32:$dst, (mul GR32:$src1, imm:$src2)),
2948 (implicit EFLAGS)]>;
2949 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
2950 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2951 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2952 [(set GR16:$dst, (mul GR16:$src1, i16immSExt8:$src2)),
2953 (implicit EFLAGS)]>, OpSize;
2954 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
2955 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2956 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2957 [(set GR32:$dst, (mul GR32:$src1, i32immSExt8:$src2)),
2958 (implicit EFLAGS)]>;
2960 // Memory-Integer Signed Integer Multiply
2961 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
2962 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
2963 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2964 [(set GR16:$dst, (mul (load addr:$src1), imm:$src2)),
2965 (implicit EFLAGS)]>, OpSize;
2966 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
2967 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
2968 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2969 [(set GR32:$dst, (mul (load addr:$src1), imm:$src2)),
2970 (implicit EFLAGS)]>;
2971 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
2972 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
2973 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2974 [(set GR16:$dst, (mul (load addr:$src1),
2975 i16immSExt8:$src2)),
2976 (implicit EFLAGS)]>, OpSize;
2977 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
2978 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
2979 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2980 [(set GR32:$dst, (mul (load addr:$src1),
2981 i32immSExt8:$src2)),
2982 (implicit EFLAGS)]>;
2983 } // Defs = [EFLAGS]
2985 //===----------------------------------------------------------------------===//
2986 // Test instructions are just like AND, except they don't generate a result.
2988 let Defs = [EFLAGS] in {
2989 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
2990 def TEST8rr : I<0x84, MRMDestReg, (outs), (ins GR8:$src1, GR8:$src2),
2991 "test{b}\t{$src2, $src1|$src1, $src2}",
2992 [(X86cmp (and_su GR8:$src1, GR8:$src2), 0),
2993 (implicit EFLAGS)]>;
2994 def TEST16rr : I<0x85, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2995 "test{w}\t{$src2, $src1|$src1, $src2}",
2996 [(X86cmp (and_su GR16:$src1, GR16:$src2), 0),
2997 (implicit EFLAGS)]>,
2999 def TEST32rr : I<0x85, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3000 "test{l}\t{$src2, $src1|$src1, $src2}",
3001 [(X86cmp (and_su GR32:$src1, GR32:$src2), 0),
3002 (implicit EFLAGS)]>;
3005 def TEST8i8 : Ii8<0xA8, RawFrm, (outs), (ins i8imm:$src),
3006 "test{b}\t{$src, %al|%al, $src}", []>;
3007 def TEST16i16 : Ii16<0xA9, RawFrm, (outs), (ins i16imm:$src),
3008 "test{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3009 def TEST32i32 : Ii32<0xA9, RawFrm, (outs), (ins i32imm:$src),
3010 "test{l}\t{$src, %eax|%eax, $src}", []>;
3012 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
3013 "test{b}\t{$src2, $src1|$src1, $src2}",
3014 [(X86cmp (and GR8:$src1, (loadi8 addr:$src2)), 0),
3015 (implicit EFLAGS)]>;
3016 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
3017 "test{w}\t{$src2, $src1|$src1, $src2}",
3018 [(X86cmp (and GR16:$src1, (loadi16 addr:$src2)), 0),
3019 (implicit EFLAGS)]>, OpSize;
3020 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
3021 "test{l}\t{$src2, $src1|$src1, $src2}",
3022 [(X86cmp (and GR32:$src1, (loadi32 addr:$src2)), 0),
3023 (implicit EFLAGS)]>;
3025 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
3026 (outs), (ins GR8:$src1, i8imm:$src2),
3027 "test{b}\t{$src2, $src1|$src1, $src2}",
3028 [(X86cmp (and_su GR8:$src1, imm:$src2), 0),
3029 (implicit EFLAGS)]>;
3030 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
3031 (outs), (ins GR16:$src1, i16imm:$src2),
3032 "test{w}\t{$src2, $src1|$src1, $src2}",
3033 [(X86cmp (and_su GR16:$src1, imm:$src2), 0),
3034 (implicit EFLAGS)]>, OpSize;
3035 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
3036 (outs), (ins GR32:$src1, i32imm:$src2),
3037 "test{l}\t{$src2, $src1|$src1, $src2}",
3038 [(X86cmp (and_su GR32:$src1, imm:$src2), 0),
3039 (implicit EFLAGS)]>;
3041 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
3042 (outs), (ins i8mem:$src1, i8imm:$src2),
3043 "test{b}\t{$src2, $src1|$src1, $src2}",
3044 [(X86cmp (and (loadi8 addr:$src1), imm:$src2), 0),
3045 (implicit EFLAGS)]>;
3046 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
3047 (outs), (ins i16mem:$src1, i16imm:$src2),
3048 "test{w}\t{$src2, $src1|$src1, $src2}",
3049 [(X86cmp (and (loadi16 addr:$src1), imm:$src2), 0),
3050 (implicit EFLAGS)]>, OpSize;
3051 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
3052 (outs), (ins i32mem:$src1, i32imm:$src2),
3053 "test{l}\t{$src2, $src1|$src1, $src2}",
3054 [(X86cmp (and (loadi32 addr:$src1), imm:$src2), 0),
3055 (implicit EFLAGS)]>;
3056 } // Defs = [EFLAGS]
3059 // Condition code ops, incl. set if equal/not equal/...
3060 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
3061 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
3062 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
3063 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
3065 let Uses = [EFLAGS] in {
3066 def SETEr : I<0x94, MRM0r,
3067 (outs GR8 :$dst), (ins),
3069 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
3071 def SETEm : I<0x94, MRM0m,
3072 (outs), (ins i8mem:$dst),
3074 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
3077 def SETNEr : I<0x95, MRM0r,
3078 (outs GR8 :$dst), (ins),
3080 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
3082 def SETNEm : I<0x95, MRM0m,
3083 (outs), (ins i8mem:$dst),
3085 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
3088 def SETLr : I<0x9C, MRM0r,
3089 (outs GR8 :$dst), (ins),
3091 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
3092 TB; // GR8 = < signed
3093 def SETLm : I<0x9C, MRM0m,
3094 (outs), (ins i8mem:$dst),
3096 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
3097 TB; // [mem8] = < signed
3099 def SETGEr : I<0x9D, MRM0r,
3100 (outs GR8 :$dst), (ins),
3102 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
3103 TB; // GR8 = >= signed
3104 def SETGEm : I<0x9D, MRM0m,
3105 (outs), (ins i8mem:$dst),
3107 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
3108 TB; // [mem8] = >= signed
3110 def SETLEr : I<0x9E, MRM0r,
3111 (outs GR8 :$dst), (ins),
3113 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
3114 TB; // GR8 = <= signed
3115 def SETLEm : I<0x9E, MRM0m,
3116 (outs), (ins i8mem:$dst),
3118 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
3119 TB; // [mem8] = <= signed
3121 def SETGr : I<0x9F, MRM0r,
3122 (outs GR8 :$dst), (ins),
3124 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
3125 TB; // GR8 = > signed
3126 def SETGm : I<0x9F, MRM0m,
3127 (outs), (ins i8mem:$dst),
3129 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
3130 TB; // [mem8] = > signed
3132 def SETBr : I<0x92, MRM0r,
3133 (outs GR8 :$dst), (ins),
3135 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
3136 TB; // GR8 = < unsign
3137 def SETBm : I<0x92, MRM0m,
3138 (outs), (ins i8mem:$dst),
3140 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
3141 TB; // [mem8] = < unsign
3143 def SETAEr : I<0x93, MRM0r,
3144 (outs GR8 :$dst), (ins),
3146 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
3147 TB; // GR8 = >= unsign
3148 def SETAEm : I<0x93, MRM0m,
3149 (outs), (ins i8mem:$dst),
3151 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
3152 TB; // [mem8] = >= unsign
3154 def SETBEr : I<0x96, MRM0r,
3155 (outs GR8 :$dst), (ins),
3157 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
3158 TB; // GR8 = <= unsign
3159 def SETBEm : I<0x96, MRM0m,
3160 (outs), (ins i8mem:$dst),
3162 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
3163 TB; // [mem8] = <= unsign
3165 def SETAr : I<0x97, MRM0r,
3166 (outs GR8 :$dst), (ins),
3168 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
3169 TB; // GR8 = > signed
3170 def SETAm : I<0x97, MRM0m,
3171 (outs), (ins i8mem:$dst),
3173 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
3174 TB; // [mem8] = > signed
3176 def SETSr : I<0x98, MRM0r,
3177 (outs GR8 :$dst), (ins),
3179 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
3180 TB; // GR8 = <sign bit>
3181 def SETSm : I<0x98, MRM0m,
3182 (outs), (ins i8mem:$dst),
3184 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
3185 TB; // [mem8] = <sign bit>
3186 def SETNSr : I<0x99, MRM0r,
3187 (outs GR8 :$dst), (ins),
3189 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
3190 TB; // GR8 = !<sign bit>
3191 def SETNSm : I<0x99, MRM0m,
3192 (outs), (ins i8mem:$dst),
3194 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
3195 TB; // [mem8] = !<sign bit>
3197 def SETPr : I<0x9A, MRM0r,
3198 (outs GR8 :$dst), (ins),
3200 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
3202 def SETPm : I<0x9A, MRM0m,
3203 (outs), (ins i8mem:$dst),
3205 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
3206 TB; // [mem8] = parity
3207 def SETNPr : I<0x9B, MRM0r,
3208 (outs GR8 :$dst), (ins),
3210 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
3211 TB; // GR8 = not parity
3212 def SETNPm : I<0x9B, MRM0m,
3213 (outs), (ins i8mem:$dst),
3215 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
3216 TB; // [mem8] = not parity
3218 def SETOr : I<0x90, MRM0r,
3219 (outs GR8 :$dst), (ins),
3221 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
3222 TB; // GR8 = overflow
3223 def SETOm : I<0x90, MRM0m,
3224 (outs), (ins i8mem:$dst),
3226 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
3227 TB; // [mem8] = overflow
3228 def SETNOr : I<0x91, MRM0r,
3229 (outs GR8 :$dst), (ins),
3231 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
3232 TB; // GR8 = not overflow
3233 def SETNOm : I<0x91, MRM0m,
3234 (outs), (ins i8mem:$dst),
3236 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
3237 TB; // [mem8] = not overflow
3238 } // Uses = [EFLAGS]
3241 // Integer comparisons
3242 let Defs = [EFLAGS] in {
3243 def CMP8i8 : Ii8<0x3C, RawFrm, (outs), (ins i8imm:$src),
3244 "cmp{b}\t{$src, %al|%al, $src}", []>;
3245 def CMP16i16 : Ii16<0x3D, RawFrm, (outs), (ins i16imm:$src),
3246 "cmp{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3247 def CMP32i32 : Ii32<0x3D, RawFrm, (outs), (ins i32imm:$src),
3248 "cmp{l}\t{$src, %eax|%eax, $src}", []>;
3250 def CMP8rr : I<0x38, MRMDestReg,
3251 (outs), (ins GR8 :$src1, GR8 :$src2),
3252 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3253 [(X86cmp GR8:$src1, GR8:$src2), (implicit EFLAGS)]>;
3254 def CMP16rr : I<0x39, MRMDestReg,
3255 (outs), (ins GR16:$src1, GR16:$src2),
3256 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3257 [(X86cmp GR16:$src1, GR16:$src2), (implicit EFLAGS)]>, OpSize;
3258 def CMP32rr : I<0x39, MRMDestReg,
3259 (outs), (ins GR32:$src1, GR32:$src2),
3260 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3261 [(X86cmp GR32:$src1, GR32:$src2), (implicit EFLAGS)]>;
3262 def CMP8mr : I<0x38, MRMDestMem,
3263 (outs), (ins i8mem :$src1, GR8 :$src2),
3264 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3265 [(X86cmp (loadi8 addr:$src1), GR8:$src2),
3266 (implicit EFLAGS)]>;
3267 def CMP16mr : I<0x39, MRMDestMem,
3268 (outs), (ins i16mem:$src1, GR16:$src2),
3269 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3270 [(X86cmp (loadi16 addr:$src1), GR16:$src2),
3271 (implicit EFLAGS)]>, OpSize;
3272 def CMP32mr : I<0x39, MRMDestMem,
3273 (outs), (ins i32mem:$src1, GR32:$src2),
3274 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3275 [(X86cmp (loadi32 addr:$src1), GR32:$src2),
3276 (implicit EFLAGS)]>;
3277 def CMP8rm : I<0x3A, MRMSrcMem,
3278 (outs), (ins GR8 :$src1, i8mem :$src2),
3279 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3280 [(X86cmp GR8:$src1, (loadi8 addr:$src2)),
3281 (implicit EFLAGS)]>;
3282 def CMP16rm : I<0x3B, MRMSrcMem,
3283 (outs), (ins GR16:$src1, i16mem:$src2),
3284 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3285 [(X86cmp GR16:$src1, (loadi16 addr:$src2)),
3286 (implicit EFLAGS)]>, OpSize;
3287 def CMP32rm : I<0x3B, MRMSrcMem,
3288 (outs), (ins GR32:$src1, i32mem:$src2),
3289 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3290 [(X86cmp GR32:$src1, (loadi32 addr:$src2)),
3291 (implicit EFLAGS)]>;
3292 def CMP8mrmrr : I<0x3A, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
3293 "cmp{b}\t{$src2, $src1|$src1, $src2}", []>;
3294 def CMP16mrmrr : I<0x3B, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
3295 "cmp{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize;
3296 def CMP32mrmrr : I<0x3B, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
3297 "cmp{l}\t{$src2, $src1|$src1, $src2}", []>;
3298 def CMP8ri : Ii8<0x80, MRM7r,
3299 (outs), (ins GR8:$src1, i8imm:$src2),
3300 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3301 [(X86cmp GR8:$src1, imm:$src2), (implicit EFLAGS)]>;
3302 def CMP16ri : Ii16<0x81, MRM7r,
3303 (outs), (ins GR16:$src1, i16imm:$src2),
3304 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3305 [(X86cmp GR16:$src1, imm:$src2),
3306 (implicit EFLAGS)]>, OpSize;
3307 def CMP32ri : Ii32<0x81, MRM7r,
3308 (outs), (ins GR32:$src1, i32imm:$src2),
3309 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3310 [(X86cmp GR32:$src1, imm:$src2), (implicit EFLAGS)]>;
3311 def CMP8mi : Ii8 <0x80, MRM7m,
3312 (outs), (ins i8mem :$src1, i8imm :$src2),
3313 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3314 [(X86cmp (loadi8 addr:$src1), imm:$src2),
3315 (implicit EFLAGS)]>;
3316 def CMP16mi : Ii16<0x81, MRM7m,
3317 (outs), (ins i16mem:$src1, i16imm:$src2),
3318 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3319 [(X86cmp (loadi16 addr:$src1), imm:$src2),
3320 (implicit EFLAGS)]>, OpSize;
3321 def CMP32mi : Ii32<0x81, MRM7m,
3322 (outs), (ins i32mem:$src1, i32imm:$src2),
3323 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3324 [(X86cmp (loadi32 addr:$src1), imm:$src2),
3325 (implicit EFLAGS)]>;
3326 def CMP16ri8 : Ii8<0x83, MRM7r,
3327 (outs), (ins GR16:$src1, i16i8imm:$src2),
3328 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3329 [(X86cmp GR16:$src1, i16immSExt8:$src2),
3330 (implicit EFLAGS)]>, OpSize;
3331 def CMP16mi8 : Ii8<0x83, MRM7m,
3332 (outs), (ins i16mem:$src1, i16i8imm:$src2),
3333 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3334 [(X86cmp (loadi16 addr:$src1), i16immSExt8:$src2),
3335 (implicit EFLAGS)]>, OpSize;
3336 def CMP32mi8 : Ii8<0x83, MRM7m,
3337 (outs), (ins i32mem:$src1, i32i8imm:$src2),
3338 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3339 [(X86cmp (loadi32 addr:$src1), i32immSExt8:$src2),
3340 (implicit EFLAGS)]>;
3341 def CMP32ri8 : Ii8<0x83, MRM7r,
3342 (outs), (ins GR32:$src1, i32i8imm:$src2),
3343 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3344 [(X86cmp GR32:$src1, i32immSExt8:$src2),
3345 (implicit EFLAGS)]>;
3346 } // Defs = [EFLAGS]
3349 // TODO: BTC, BTR, and BTS
3350 let Defs = [EFLAGS] in {
3351 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3352 "bt{w}\t{$src2, $src1|$src1, $src2}",
3353 [(X86bt GR16:$src1, GR16:$src2),
3354 (implicit EFLAGS)]>, OpSize, TB;
3355 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3356 "bt{l}\t{$src2, $src1|$src1, $src2}",
3357 [(X86bt GR32:$src1, GR32:$src2),
3358 (implicit EFLAGS)]>, TB;
3360 // Unlike with the register+register form, the memory+register form of the
3361 // bt instruction does not ignore the high bits of the index. From ISel's
3362 // perspective, this is pretty bizarre. Disable these instructions for now.
3363 //def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3364 // "bt{w}\t{$src2, $src1|$src1, $src2}",
3365 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
3366 // (implicit EFLAGS)]>, OpSize, TB, Requires<[FastBTMem]>;
3367 //def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3368 // "bt{l}\t{$src2, $src1|$src1, $src2}",
3369 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
3370 // (implicit EFLAGS)]>, TB, Requires<[FastBTMem]>;
3372 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3373 "bt{w}\t{$src2, $src1|$src1, $src2}",
3374 [(X86bt GR16:$src1, i16immSExt8:$src2),
3375 (implicit EFLAGS)]>, OpSize, TB;
3376 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3377 "bt{l}\t{$src2, $src1|$src1, $src2}",
3378 [(X86bt GR32:$src1, i32immSExt8:$src2),
3379 (implicit EFLAGS)]>, TB;
3380 // Note that these instructions don't need FastBTMem because that
3381 // only applies when the other operand is in a register. When it's
3382 // an immediate, bt is still fast.
3383 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3384 "bt{w}\t{$src2, $src1|$src1, $src2}",
3385 [(X86bt (loadi16 addr:$src1), i16immSExt8:$src2),
3386 (implicit EFLAGS)]>, OpSize, TB;
3387 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3388 "bt{l}\t{$src2, $src1|$src1, $src2}",
3389 [(X86bt (loadi32 addr:$src1), i32immSExt8:$src2),
3390 (implicit EFLAGS)]>, TB;
3391 } // Defs = [EFLAGS]
3393 // Sign/Zero extenders
3394 // Use movsbl intead of movsbw; we don't care about the high 16 bits
3395 // of the register here. This has a smaller encoding and avoids a
3396 // partial-register update.
3397 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3398 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3399 [(set GR16:$dst, (sext GR8:$src))]>, TB;
3400 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3401 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3402 [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
3403 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3404 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3405 [(set GR32:$dst, (sext GR8:$src))]>, TB;
3406 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3407 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3408 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
3409 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3410 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3411 [(set GR32:$dst, (sext GR16:$src))]>, TB;
3412 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3413 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3414 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
3416 // Use movzbl intead of movzbw; we don't care about the high 16 bits
3417 // of the register here. This has a smaller encoding and avoids a
3418 // partial-register update.
3419 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3420 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3421 [(set GR16:$dst, (zext GR8:$src))]>, TB;
3422 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3423 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
3424 [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
3425 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3426 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3427 [(set GR32:$dst, (zext GR8:$src))]>, TB;
3428 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3429 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3430 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
3431 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3432 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3433 [(set GR32:$dst, (zext GR16:$src))]>, TB;
3434 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3435 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3436 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
3438 // These are the same as the regular regular MOVZX32rr8 and MOVZX32rm8
3439 // except that they use GR32_NOREX for the output operand register class
3440 // instead of GR32. This allows them to operate on h registers on x86-64.
3441 def MOVZX32_NOREXrr8 : I<0xB6, MRMSrcReg,
3442 (outs GR32_NOREX:$dst), (ins GR8:$src),
3443 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3446 def MOVZX32_NOREXrm8 : I<0xB6, MRMSrcMem,
3447 (outs GR32_NOREX:$dst), (ins i8mem:$src),
3448 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3451 let neverHasSideEffects = 1 in {
3452 let Defs = [AX], Uses = [AL] in
3453 def CBW : I<0x98, RawFrm, (outs), (ins),
3454 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
3455 let Defs = [EAX], Uses = [AX] in
3456 def CWDE : I<0x98, RawFrm, (outs), (ins),
3457 "{cwtl|cwde}", []>; // EAX = signext(AX)
3459 let Defs = [AX,DX], Uses = [AX] in
3460 def CWD : I<0x99, RawFrm, (outs), (ins),
3461 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
3462 let Defs = [EAX,EDX], Uses = [EAX] in
3463 def CDQ : I<0x99, RawFrm, (outs), (ins),
3464 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
3467 //===----------------------------------------------------------------------===//
3468 // Alias Instructions
3469 //===----------------------------------------------------------------------===//
3471 // Alias instructions that map movr0 to xor.
3472 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
3473 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1,
3474 isCodeGenOnly = 1 in {
3475 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins),
3476 "xor{b}\t$dst, $dst",
3477 [(set GR8:$dst, 0)]>;
3478 // Use xorl instead of xorw since we don't care about the high 16 bits,
3479 // it's smaller, and it avoids a partial-register update.
3480 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
3481 "xor{l}\t${dst:subreg32}, ${dst:subreg32}",
3482 [(set GR16:$dst, 0)]>;
3483 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins),
3484 "xor{l}\t$dst, $dst",
3485 [(set GR32:$dst, 0)]>;
3488 //===----------------------------------------------------------------------===//
3489 // Thread Local Storage Instructions
3492 // All calls clobber the non-callee saved registers. ESP is marked as
3493 // a use to prevent stack-pointer assignments that appear immediately
3494 // before calls from potentially appearing dead.
3495 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
3496 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
3497 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
3498 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
3500 def TLS_addr32 : I<0, Pseudo, (outs), (ins lea32mem:$sym),
3501 "leal\t$sym, %eax; "
3502 "call\t___tls_get_addr@PLT",
3503 [(X86tlsaddr tls32addr:$sym)]>,
3504 Requires<[In32BitMode]>;
3506 let AddedComplexity = 5, isCodeGenOnly = 1 in
3507 def GS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3508 "movl\t%gs:$src, $dst",
3509 [(set GR32:$dst, (gsload addr:$src))]>, SegGS;
3511 let AddedComplexity = 5, isCodeGenOnly = 1 in
3512 def FS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3513 "movl\t%fs:$src, $dst",
3514 [(set GR32:$dst, (fsload addr:$src))]>, SegFS;
3516 //===----------------------------------------------------------------------===//
3517 // DWARF Pseudo Instructions
3520 def DWARF_LOC : I<0, Pseudo, (outs),
3521 (ins i32imm:$line, i32imm:$col, i32imm:$file),
3522 ".loc\t$file $line $col",
3523 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
3526 //===----------------------------------------------------------------------===//
3527 // EH Pseudo Instructions
3529 let isTerminator = 1, isReturn = 1, isBarrier = 1,
3530 hasCtrlDep = 1, isCodeGenOnly = 1 in {
3531 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
3532 "ret\t#eh_return, addr: $addr",
3533 [(X86ehret GR32:$addr)]>;
3537 //===----------------------------------------------------------------------===//
3541 // Atomic swap. These are just normal xchg instructions. But since a memory
3542 // operand is referenced, the atomicity is ensured.
3543 let Constraints = "$val = $dst" in {
3544 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3545 "xchg{l}\t{$val, $ptr|$ptr, $val}",
3546 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
3547 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3548 "xchg{w}\t{$val, $ptr|$ptr, $val}",
3549 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
3551 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
3552 "xchg{b}\t{$val, $ptr|$ptr, $val}",
3553 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
3556 // Atomic compare and swap.
3557 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
3558 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
3560 "cmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
3561 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
3563 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
3564 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i32mem:$ptr),
3567 [(X86cas8 addr:$ptr)]>, TB, LOCK;
3570 let Defs = [AX, EFLAGS], Uses = [AX] in {
3571 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
3573 "cmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
3574 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
3576 let Defs = [AL, EFLAGS], Uses = [AL] in {
3577 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
3579 "cmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
3580 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
3583 // Atomic exchange and add
3584 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
3585 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3587 "xadd{l}\t{$val, $ptr|$ptr, $val}",
3588 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
3590 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3592 "xadd{w}\t{$val, $ptr|$ptr, $val}",
3593 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
3595 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
3597 "xadd{b}\t{$val, $ptr|$ptr, $val}",
3598 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
3602 // Optimized codegen when the non-memory output is not used.
3603 // FIXME: Use normal add / sub instructions and add lock prefix dynamically.
3604 def LOCK_ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
3606 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3607 def LOCK_ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3609 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3610 def LOCK_ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3612 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3613 def LOCK_ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
3615 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3616 def LOCK_ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
3618 "add{w}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3619 def LOCK_ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
3621 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3622 def LOCK_ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3624 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3625 def LOCK_ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3627 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3629 def LOCK_INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst),
3631 "inc{b}\t$dst", []>, LOCK;
3632 def LOCK_INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst),
3634 "inc{w}\t$dst", []>, OpSize, LOCK;
3635 def LOCK_INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst),
3637 "inc{l}\t$dst", []>, LOCK;
3639 def LOCK_SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
3641 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3642 def LOCK_SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3644 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3645 def LOCK_SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3647 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3648 def LOCK_SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
3650 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3651 def LOCK_SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
3653 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3654 def LOCK_SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
3656 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3657 def LOCK_SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3659 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3660 def LOCK_SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3662 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3664 def LOCK_DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst),
3666 "dec{b}\t$dst", []>, LOCK;
3667 def LOCK_DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst),
3669 "dec{w}\t$dst", []>, OpSize, LOCK;
3670 def LOCK_DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst),
3672 "dec{l}\t$dst", []>, LOCK;
3674 // Atomic exchange, and, or, xor
3675 let Constraints = "$val = $dst", Defs = [EFLAGS],
3676 usesCustomDAGSchedInserter = 1 in {
3677 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3678 "#ATOMAND32 PSEUDO!",
3679 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
3680 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3681 "#ATOMOR32 PSEUDO!",
3682 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
3683 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3684 "#ATOMXOR32 PSEUDO!",
3685 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
3686 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3687 "#ATOMNAND32 PSEUDO!",
3688 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
3689 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3690 "#ATOMMIN32 PSEUDO!",
3691 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
3692 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3693 "#ATOMMAX32 PSEUDO!",
3694 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
3695 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3696 "#ATOMUMIN32 PSEUDO!",
3697 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
3698 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3699 "#ATOMUMAX32 PSEUDO!",
3700 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
3702 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3703 "#ATOMAND16 PSEUDO!",
3704 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
3705 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3706 "#ATOMOR16 PSEUDO!",
3707 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
3708 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3709 "#ATOMXOR16 PSEUDO!",
3710 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
3711 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3712 "#ATOMNAND16 PSEUDO!",
3713 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
3714 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3715 "#ATOMMIN16 PSEUDO!",
3716 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
3717 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3718 "#ATOMMAX16 PSEUDO!",
3719 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
3720 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3721 "#ATOMUMIN16 PSEUDO!",
3722 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
3723 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3724 "#ATOMUMAX16 PSEUDO!",
3725 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
3727 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3728 "#ATOMAND8 PSEUDO!",
3729 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
3730 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3732 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
3733 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3734 "#ATOMXOR8 PSEUDO!",
3735 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
3736 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3737 "#ATOMNAND8 PSEUDO!",
3738 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
3741 let Constraints = "$val1 = $dst1, $val2 = $dst2",
3742 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
3743 Uses = [EAX, EBX, ECX, EDX],
3744 mayLoad = 1, mayStore = 1,
3745 usesCustomDAGSchedInserter = 1 in {
3746 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3747 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3748 "#ATOMAND6432 PSEUDO!", []>;
3749 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3750 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3751 "#ATOMOR6432 PSEUDO!", []>;
3752 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3753 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3754 "#ATOMXOR6432 PSEUDO!", []>;
3755 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3756 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3757 "#ATOMNAND6432 PSEUDO!", []>;
3758 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3759 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3760 "#ATOMADD6432 PSEUDO!", []>;
3761 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3762 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3763 "#ATOMSUB6432 PSEUDO!", []>;
3764 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3765 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3766 "#ATOMSWAP6432 PSEUDO!", []>;
3769 // Segmentation support instructions.
3771 def LAR16rm : I<0x02, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
3772 "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3773 def LAR16rr : I<0x02, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
3774 "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3776 // i16mem operand in LAR32rm and GR32 operand in LAR32rr is not a typo.
3777 def LAR32rm : I<0x02, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3778 "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
3779 def LAR32rr : I<0x02, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
3780 "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
3782 // String manipulation instructions
3784 def LODSB : I<0xAC, RawFrm, (outs), (ins), "lodsb", []>;
3785 def LODSW : I<0xAD, RawFrm, (outs), (ins), "lodsw", []>, OpSize;
3786 def LODSD : I<0xAD, RawFrm, (outs), (ins), "lodsd", []>;
3788 //===----------------------------------------------------------------------===//
3789 // Non-Instruction Patterns
3790 //===----------------------------------------------------------------------===//
3792 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
3793 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
3794 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
3795 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
3796 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
3797 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
3799 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
3800 (ADD32ri GR32:$src1, tconstpool:$src2)>;
3801 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
3802 (ADD32ri GR32:$src1, tjumptable:$src2)>;
3803 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
3804 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
3805 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
3806 (ADD32ri GR32:$src1, texternalsym:$src2)>;
3808 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
3809 (MOV32mi addr:$dst, tglobaladdr:$src)>;
3810 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
3811 (MOV32mi addr:$dst, texternalsym:$src)>;
3815 def : Pat<(X86tcret GR32:$dst, imm:$off),
3816 (TCRETURNri GR32:$dst, imm:$off)>;
3818 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
3819 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3821 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
3822 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3824 // Normal calls, with various flavors of addresses.
3825 def : Pat<(X86call (i32 tglobaladdr:$dst)),
3826 (CALLpcrel32 tglobaladdr:$dst)>;
3827 def : Pat<(X86call (i32 texternalsym:$dst)),
3828 (CALLpcrel32 texternalsym:$dst)>;
3829 def : Pat<(X86call (i32 imm:$dst)),
3830 (CALLpcrel32 imm:$dst)>, Requires<[CallImmAddr]>;
3832 // X86 specific add which produces a flag.
3833 def : Pat<(addc GR32:$src1, GR32:$src2),
3834 (ADD32rr GR32:$src1, GR32:$src2)>;
3835 def : Pat<(addc GR32:$src1, (load addr:$src2)),
3836 (ADD32rm GR32:$src1, addr:$src2)>;
3837 def : Pat<(addc GR32:$src1, imm:$src2),
3838 (ADD32ri GR32:$src1, imm:$src2)>;
3839 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
3840 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
3842 def : Pat<(subc GR32:$src1, GR32:$src2),
3843 (SUB32rr GR32:$src1, GR32:$src2)>;
3844 def : Pat<(subc GR32:$src1, (load addr:$src2)),
3845 (SUB32rm GR32:$src1, addr:$src2)>;
3846 def : Pat<(subc GR32:$src1, imm:$src2),
3847 (SUB32ri GR32:$src1, imm:$src2)>;
3848 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
3849 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
3853 // TEST R,R is smaller than CMP R,0
3854 def : Pat<(parallel (X86cmp GR8:$src1, 0), (implicit EFLAGS)),
3855 (TEST8rr GR8:$src1, GR8:$src1)>;
3856 def : Pat<(parallel (X86cmp GR16:$src1, 0), (implicit EFLAGS)),
3857 (TEST16rr GR16:$src1, GR16:$src1)>;
3858 def : Pat<(parallel (X86cmp GR32:$src1, 0), (implicit EFLAGS)),
3859 (TEST32rr GR32:$src1, GR32:$src1)>;
3861 // Conditional moves with folded loads with operands swapped and conditions
3863 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_B, EFLAGS),
3864 (CMOVAE16rm GR16:$src2, addr:$src1)>;
3865 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_B, EFLAGS),
3866 (CMOVAE32rm GR32:$src2, addr:$src1)>;
3867 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_AE, EFLAGS),
3868 (CMOVB16rm GR16:$src2, addr:$src1)>;
3869 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_AE, EFLAGS),
3870 (CMOVB32rm GR32:$src2, addr:$src1)>;
3871 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_E, EFLAGS),
3872 (CMOVNE16rm GR16:$src2, addr:$src1)>;
3873 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_E, EFLAGS),
3874 (CMOVNE32rm GR32:$src2, addr:$src1)>;
3875 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NE, EFLAGS),
3876 (CMOVE16rm GR16:$src2, addr:$src1)>;
3877 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NE, EFLAGS),
3878 (CMOVE32rm GR32:$src2, addr:$src1)>;
3879 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_BE, EFLAGS),
3880 (CMOVA16rm GR16:$src2, addr:$src1)>;
3881 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_BE, EFLAGS),
3882 (CMOVA32rm GR32:$src2, addr:$src1)>;
3883 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_A, EFLAGS),
3884 (CMOVBE16rm GR16:$src2, addr:$src1)>;
3885 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_A, EFLAGS),
3886 (CMOVBE32rm GR32:$src2, addr:$src1)>;
3887 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_L, EFLAGS),
3888 (CMOVGE16rm GR16:$src2, addr:$src1)>;
3889 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_L, EFLAGS),
3890 (CMOVGE32rm GR32:$src2, addr:$src1)>;
3891 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_GE, EFLAGS),
3892 (CMOVL16rm GR16:$src2, addr:$src1)>;
3893 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_GE, EFLAGS),
3894 (CMOVL32rm GR32:$src2, addr:$src1)>;
3895 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_LE, EFLAGS),
3896 (CMOVG16rm GR16:$src2, addr:$src1)>;
3897 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_LE, EFLAGS),
3898 (CMOVG32rm GR32:$src2, addr:$src1)>;
3899 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_G, EFLAGS),
3900 (CMOVLE16rm GR16:$src2, addr:$src1)>;
3901 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_G, EFLAGS),
3902 (CMOVLE32rm GR32:$src2, addr:$src1)>;
3903 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_P, EFLAGS),
3904 (CMOVNP16rm GR16:$src2, addr:$src1)>;
3905 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_P, EFLAGS),
3906 (CMOVNP32rm GR32:$src2, addr:$src1)>;
3907 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NP, EFLAGS),
3908 (CMOVP16rm GR16:$src2, addr:$src1)>;
3909 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NP, EFLAGS),
3910 (CMOVP32rm GR32:$src2, addr:$src1)>;
3911 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_S, EFLAGS),
3912 (CMOVNS16rm GR16:$src2, addr:$src1)>;
3913 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_S, EFLAGS),
3914 (CMOVNS32rm GR32:$src2, addr:$src1)>;
3915 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NS, EFLAGS),
3916 (CMOVS16rm GR16:$src2, addr:$src1)>;
3917 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NS, EFLAGS),
3918 (CMOVS32rm GR32:$src2, addr:$src1)>;
3919 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_O, EFLAGS),
3920 (CMOVNO16rm GR16:$src2, addr:$src1)>;
3921 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_O, EFLAGS),
3922 (CMOVNO32rm GR32:$src2, addr:$src1)>;
3923 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NO, EFLAGS),
3924 (CMOVO16rm GR16:$src2, addr:$src1)>;
3925 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NO, EFLAGS),
3926 (CMOVO32rm GR32:$src2, addr:$src1)>;
3928 // zextload bool -> zextload byte
3929 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3930 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
3931 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3933 // extload bool -> extload byte
3934 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3935 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
3936 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3937 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>;
3938 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
3939 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
3941 // anyext. Define these to do an explicit zero-extend to
3942 // avoid partial-register updates.
3943 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>;
3944 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>;
3945 def : Pat<(i32 (anyext GR16:$src)), (MOVZX32rr16 GR16:$src)>;
3947 // (and (i32 load), 255) -> (zextload i8)
3948 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 255))),
3949 (MOVZX32rm8 addr:$src)>;
3950 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 65535))),
3951 (MOVZX32rm16 addr:$src)>;
3953 //===----------------------------------------------------------------------===//
3955 //===----------------------------------------------------------------------===//
3957 // Odd encoding trick: -128 fits into an 8-bit immediate field while
3958 // +128 doesn't, so in this special case use a sub instead of an add.
3959 def : Pat<(add GR16:$src1, 128),
3960 (SUB16ri8 GR16:$src1, -128)>;
3961 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
3962 (SUB16mi8 addr:$dst, -128)>;
3963 def : Pat<(add GR32:$src1, 128),
3964 (SUB32ri8 GR32:$src1, -128)>;
3965 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
3966 (SUB32mi8 addr:$dst, -128)>;
3968 // r & (2^16-1) ==> movz
3969 def : Pat<(and GR32:$src1, 0xffff),
3970 (MOVZX32rr16 (EXTRACT_SUBREG GR32:$src1, x86_subreg_16bit))>;
3971 // r & (2^8-1) ==> movz
3972 def : Pat<(and GR32:$src1, 0xff),
3973 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src1, GR32_ABCD),
3975 Requires<[In32BitMode]>;
3976 // r & (2^8-1) ==> movz
3977 def : Pat<(and GR16:$src1, 0xff),
3978 (MOVZX16rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src1, GR16_ABCD),
3980 Requires<[In32BitMode]>;
3982 // sext_inreg patterns
3983 def : Pat<(sext_inreg GR32:$src, i16),
3984 (MOVSX32rr16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
3985 def : Pat<(sext_inreg GR32:$src, i8),
3986 (MOVSX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3988 Requires<[In32BitMode]>;
3989 def : Pat<(sext_inreg GR16:$src, i8),
3990 (MOVSX16rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3992 Requires<[In32BitMode]>;
3995 def : Pat<(i16 (trunc GR32:$src)),
3996 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit)>;
3997 def : Pat<(i8 (trunc GR32:$src)),
3998 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
4000 Requires<[In32BitMode]>;
4001 def : Pat<(i8 (trunc GR16:$src)),
4002 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
4004 Requires<[In32BitMode]>;
4006 // h-register tricks
4007 def : Pat<(i8 (trunc (srl_su GR16:$src, (i8 8)))),
4008 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
4009 x86_subreg_8bit_hi)>,
4010 Requires<[In32BitMode]>;
4011 def : Pat<(i8 (trunc (srl_su GR32:$src, (i8 8)))),
4012 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
4013 x86_subreg_8bit_hi)>,
4014 Requires<[In32BitMode]>;
4015 def : Pat<(srl_su GR16:$src, (i8 8)),
4018 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
4019 x86_subreg_8bit_hi)),
4021 Requires<[In32BitMode]>;
4022 def : Pat<(i32 (zext (srl_su GR16:$src, (i8 8)))),
4023 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
4024 x86_subreg_8bit_hi))>,
4025 Requires<[In32BitMode]>;
4026 def : Pat<(i32 (anyext (srl_su GR16:$src, (i8 8)))),
4027 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
4028 x86_subreg_8bit_hi))>,
4029 Requires<[In32BitMode]>;
4030 def : Pat<(and (srl_su GR32:$src, (i8 8)), (i32 255)),
4031 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
4032 x86_subreg_8bit_hi))>,
4033 Requires<[In32BitMode]>;
4035 // (shl x, 1) ==> (add x, x)
4036 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
4037 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
4038 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
4040 // (shl x (and y, 31)) ==> (shl x, y)
4041 def : Pat<(shl GR8:$src1, (and CL:$amt, 31)),
4042 (SHL8rCL GR8:$src1)>;
4043 def : Pat<(shl GR16:$src1, (and CL:$amt, 31)),
4044 (SHL16rCL GR16:$src1)>;
4045 def : Pat<(shl GR32:$src1, (and CL:$amt, 31)),
4046 (SHL32rCL GR32:$src1)>;
4047 def : Pat<(store (shl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
4048 (SHL8mCL addr:$dst)>;
4049 def : Pat<(store (shl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
4050 (SHL16mCL addr:$dst)>;
4051 def : Pat<(store (shl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
4052 (SHL32mCL addr:$dst)>;
4054 def : Pat<(srl GR8:$src1, (and CL:$amt, 31)),
4055 (SHR8rCL GR8:$src1)>;
4056 def : Pat<(srl GR16:$src1, (and CL:$amt, 31)),
4057 (SHR16rCL GR16:$src1)>;
4058 def : Pat<(srl GR32:$src1, (and CL:$amt, 31)),
4059 (SHR32rCL GR32:$src1)>;
4060 def : Pat<(store (srl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
4061 (SHR8mCL addr:$dst)>;
4062 def : Pat<(store (srl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
4063 (SHR16mCL addr:$dst)>;
4064 def : Pat<(store (srl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
4065 (SHR32mCL addr:$dst)>;
4067 def : Pat<(sra GR8:$src1, (and CL:$amt, 31)),
4068 (SAR8rCL GR8:$src1)>;
4069 def : Pat<(sra GR16:$src1, (and CL:$amt, 31)),
4070 (SAR16rCL GR16:$src1)>;
4071 def : Pat<(sra GR32:$src1, (and CL:$amt, 31)),
4072 (SAR32rCL GR32:$src1)>;
4073 def : Pat<(store (sra (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
4074 (SAR8mCL addr:$dst)>;
4075 def : Pat<(store (sra (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
4076 (SAR16mCL addr:$dst)>;
4077 def : Pat<(store (sra (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
4078 (SAR32mCL addr:$dst)>;
4080 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
4081 def : Pat<(or (srl GR32:$src1, CL:$amt),
4082 (shl GR32:$src2, (sub 32, CL:$amt))),
4083 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
4085 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
4086 (shl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
4087 (SHRD32mrCL addr:$dst, GR32:$src2)>;
4089 def : Pat<(or (srl GR32:$src1, (i8 (trunc ECX:$amt))),
4090 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
4091 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
4093 def : Pat<(store (or (srl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
4094 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
4096 (SHRD32mrCL addr:$dst, GR32:$src2)>;
4098 def : Pat<(shrd GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
4099 (SHRD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
4101 def : Pat<(store (shrd (loadi32 addr:$dst), (i8 imm:$amt1),
4102 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
4103 (SHRD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
4105 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
4106 def : Pat<(or (shl GR32:$src1, CL:$amt),
4107 (srl GR32:$src2, (sub 32, CL:$amt))),
4108 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
4110 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
4111 (srl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
4112 (SHLD32mrCL addr:$dst, GR32:$src2)>;
4114 def : Pat<(or (shl GR32:$src1, (i8 (trunc ECX:$amt))),
4115 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
4116 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
4118 def : Pat<(store (or (shl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
4119 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
4121 (SHLD32mrCL addr:$dst, GR32:$src2)>;
4123 def : Pat<(shld GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
4124 (SHLD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
4126 def : Pat<(store (shld (loadi32 addr:$dst), (i8 imm:$amt1),
4127 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
4128 (SHLD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
4130 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
4131 def : Pat<(or (srl GR16:$src1, CL:$amt),
4132 (shl GR16:$src2, (sub 16, CL:$amt))),
4133 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
4135 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
4136 (shl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
4137 (SHRD16mrCL addr:$dst, GR16:$src2)>;
4139 def : Pat<(or (srl GR16:$src1, (i8 (trunc CX:$amt))),
4140 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
4141 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
4143 def : Pat<(store (or (srl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
4144 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
4146 (SHRD16mrCL addr:$dst, GR16:$src2)>;
4148 def : Pat<(shrd GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
4149 (SHRD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
4151 def : Pat<(store (shrd (loadi16 addr:$dst), (i8 imm:$amt1),
4152 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
4153 (SHRD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
4155 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
4156 def : Pat<(or (shl GR16:$src1, CL:$amt),
4157 (srl GR16:$src2, (sub 16, CL:$amt))),
4158 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
4160 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
4161 (srl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
4162 (SHLD16mrCL addr:$dst, GR16:$src2)>;
4164 def : Pat<(or (shl GR16:$src1, (i8 (trunc CX:$amt))),
4165 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
4166 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
4168 def : Pat<(store (or (shl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
4169 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
4171 (SHLD16mrCL addr:$dst, GR16:$src2)>;
4173 def : Pat<(shld GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
4174 (SHLD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
4176 def : Pat<(store (shld (loadi16 addr:$dst), (i8 imm:$amt1),
4177 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
4178 (SHLD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
4180 //===----------------------------------------------------------------------===//
4181 // EFLAGS-defining Patterns
4182 //===----------------------------------------------------------------------===//
4184 // Register-Register Addition with EFLAGS result
4185 def : Pat<(parallel (X86add_flag GR8:$src1, GR8:$src2),
4187 (ADD8rr GR8:$src1, GR8:$src2)>;
4188 def : Pat<(parallel (X86add_flag GR16:$src1, GR16:$src2),
4190 (ADD16rr GR16:$src1, GR16:$src2)>;
4191 def : Pat<(parallel (X86add_flag GR32:$src1, GR32:$src2),
4193 (ADD32rr GR32:$src1, GR32:$src2)>;
4195 // Register-Memory Addition with EFLAGS result
4196 def : Pat<(parallel (X86add_flag GR8:$src1, (loadi8 addr:$src2)),
4198 (ADD8rm GR8:$src1, addr:$src2)>;
4199 def : Pat<(parallel (X86add_flag GR16:$src1, (loadi16 addr:$src2)),
4201 (ADD16rm GR16:$src1, addr:$src2)>;
4202 def : Pat<(parallel (X86add_flag GR32:$src1, (loadi32 addr:$src2)),
4204 (ADD32rm GR32:$src1, addr:$src2)>;
4206 // Register-Integer Addition with EFLAGS result
4207 def : Pat<(parallel (X86add_flag GR8:$src1, imm:$src2),
4209 (ADD8ri GR8:$src1, imm:$src2)>;
4210 def : Pat<(parallel (X86add_flag GR16:$src1, imm:$src2),
4212 (ADD16ri GR16:$src1, imm:$src2)>;
4213 def : Pat<(parallel (X86add_flag GR32:$src1, imm:$src2),
4215 (ADD32ri GR32:$src1, imm:$src2)>;
4216 def : Pat<(parallel (X86add_flag GR16:$src1, i16immSExt8:$src2),
4218 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4219 def : Pat<(parallel (X86add_flag GR32:$src1, i32immSExt8:$src2),
4221 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4223 // Memory-Register Addition with EFLAGS result
4224 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), GR8:$src2),
4227 (ADD8mr addr:$dst, GR8:$src2)>;
4228 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), GR16:$src2),
4231 (ADD16mr addr:$dst, GR16:$src2)>;
4232 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), GR32:$src2),
4235 (ADD32mr addr:$dst, GR32:$src2)>;
4237 // Memory-Integer Addition with EFLAGS result
4238 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), imm:$src2),
4241 (ADD8mi addr:$dst, imm:$src2)>;
4242 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), imm:$src2),
4245 (ADD16mi addr:$dst, imm:$src2)>;
4246 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), imm:$src2),
4249 (ADD32mi addr:$dst, imm:$src2)>;
4250 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), i16immSExt8:$src2),
4253 (ADD16mi8 addr:$dst, i16immSExt8:$src2)>;
4254 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), i32immSExt8:$src2),
4257 (ADD32mi8 addr:$dst, i32immSExt8:$src2)>;
4259 // Register-Register Subtraction with EFLAGS result
4260 def : Pat<(parallel (X86sub_flag GR8:$src1, GR8:$src2),
4262 (SUB8rr GR8:$src1, GR8:$src2)>;
4263 def : Pat<(parallel (X86sub_flag GR16:$src1, GR16:$src2),
4265 (SUB16rr GR16:$src1, GR16:$src2)>;
4266 def : Pat<(parallel (X86sub_flag GR32:$src1, GR32:$src2),
4268 (SUB32rr GR32:$src1, GR32:$src2)>;
4270 // Register-Memory Subtraction with EFLAGS result
4271 def : Pat<(parallel (X86sub_flag GR8:$src1, (loadi8 addr:$src2)),
4273 (SUB8rm GR8:$src1, addr:$src2)>;
4274 def : Pat<(parallel (X86sub_flag GR16:$src1, (loadi16 addr:$src2)),
4276 (SUB16rm GR16:$src1, addr:$src2)>;
4277 def : Pat<(parallel (X86sub_flag GR32:$src1, (loadi32 addr:$src2)),
4279 (SUB32rm GR32:$src1, addr:$src2)>;
4281 // Register-Integer Subtraction with EFLAGS result
4282 def : Pat<(parallel (X86sub_flag GR8:$src1, imm:$src2),
4284 (SUB8ri GR8:$src1, imm:$src2)>;
4285 def : Pat<(parallel (X86sub_flag GR16:$src1, imm:$src2),
4287 (SUB16ri GR16:$src1, imm:$src2)>;
4288 def : Pat<(parallel (X86sub_flag GR32:$src1, imm:$src2),
4290 (SUB32ri GR32:$src1, imm:$src2)>;
4291 def : Pat<(parallel (X86sub_flag GR16:$src1, i16immSExt8:$src2),
4293 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
4294 def : Pat<(parallel (X86sub_flag GR32:$src1, i32immSExt8:$src2),
4296 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4298 // Memory-Register Subtraction with EFLAGS result
4299 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), GR8:$src2),
4302 (SUB8mr addr:$dst, GR8:$src2)>;
4303 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), GR16:$src2),
4306 (SUB16mr addr:$dst, GR16:$src2)>;
4307 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), GR32:$src2),
4310 (SUB32mr addr:$dst, GR32:$src2)>;
4312 // Memory-Integer Subtraction with EFLAGS result
4313 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), imm:$src2),
4316 (SUB8mi addr:$dst, imm:$src2)>;
4317 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), imm:$src2),
4320 (SUB16mi addr:$dst, imm:$src2)>;
4321 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), imm:$src2),
4324 (SUB32mi addr:$dst, imm:$src2)>;
4325 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), i16immSExt8:$src2),
4328 (SUB16mi8 addr:$dst, i16immSExt8:$src2)>;
4329 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), i32immSExt8:$src2),
4332 (SUB32mi8 addr:$dst, i32immSExt8:$src2)>;
4335 // Register-Register Signed Integer Multiply with EFLAGS result
4336 def : Pat<(parallel (X86smul_flag GR16:$src1, GR16:$src2),
4338 (IMUL16rr GR16:$src1, GR16:$src2)>;
4339 def : Pat<(parallel (X86smul_flag GR32:$src1, GR32:$src2),
4341 (IMUL32rr GR32:$src1, GR32:$src2)>;
4343 // Register-Memory Signed Integer Multiply with EFLAGS result
4344 def : Pat<(parallel (X86smul_flag GR16:$src1, (loadi16 addr:$src2)),
4346 (IMUL16rm GR16:$src1, addr:$src2)>;
4347 def : Pat<(parallel (X86smul_flag GR32:$src1, (loadi32 addr:$src2)),
4349 (IMUL32rm GR32:$src1, addr:$src2)>;
4351 // Register-Integer Signed Integer Multiply with EFLAGS result
4352 def : Pat<(parallel (X86smul_flag GR16:$src1, imm:$src2),
4354 (IMUL16rri GR16:$src1, imm:$src2)>;
4355 def : Pat<(parallel (X86smul_flag GR32:$src1, imm:$src2),
4357 (IMUL32rri GR32:$src1, imm:$src2)>;
4358 def : Pat<(parallel (X86smul_flag GR16:$src1, i16immSExt8:$src2),
4360 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
4361 def : Pat<(parallel (X86smul_flag GR32:$src1, i32immSExt8:$src2),
4363 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
4365 // Memory-Integer Signed Integer Multiply with EFLAGS result
4366 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), imm:$src2),
4368 (IMUL16rmi addr:$src1, imm:$src2)>;
4369 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), imm:$src2),
4371 (IMUL32rmi addr:$src1, imm:$src2)>;
4372 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), i16immSExt8:$src2),
4374 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
4375 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), i32immSExt8:$src2),
4377 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
4379 // Optimize multiply by 2 with EFLAGS result.
4380 let AddedComplexity = 2 in {
4381 def : Pat<(parallel (X86smul_flag GR16:$src1, 2),
4383 (ADD16rr GR16:$src1, GR16:$src1)>;
4385 def : Pat<(parallel (X86smul_flag GR32:$src1, 2),
4387 (ADD32rr GR32:$src1, GR32:$src1)>;
4390 // INC and DEC with EFLAGS result. Note that these do not set CF.
4391 def : Pat<(parallel (X86inc_flag GR8:$src), (implicit EFLAGS)),
4393 def : Pat<(parallel (store (i8 (X86inc_flag (loadi8 addr:$dst))), addr:$dst),
4396 def : Pat<(parallel (X86dec_flag GR8:$src), (implicit EFLAGS)),
4398 def : Pat<(parallel (store (i8 (X86dec_flag (loadi8 addr:$dst))), addr:$dst),
4402 def : Pat<(parallel (X86inc_flag GR16:$src), (implicit EFLAGS)),
4403 (INC16r GR16:$src)>, Requires<[In32BitMode]>;
4404 def : Pat<(parallel (store (i16 (X86inc_flag (loadi16 addr:$dst))), addr:$dst),
4406 (INC16m addr:$dst)>, Requires<[In32BitMode]>;
4407 def : Pat<(parallel (X86dec_flag GR16:$src), (implicit EFLAGS)),
4408 (DEC16r GR16:$src)>, Requires<[In32BitMode]>;
4409 def : Pat<(parallel (store (i16 (X86dec_flag (loadi16 addr:$dst))), addr:$dst),
4411 (DEC16m addr:$dst)>, Requires<[In32BitMode]>;
4413 def : Pat<(parallel (X86inc_flag GR32:$src), (implicit EFLAGS)),
4414 (INC32r GR32:$src)>, Requires<[In32BitMode]>;
4415 def : Pat<(parallel (store (i32 (X86inc_flag (loadi32 addr:$dst))), addr:$dst),
4417 (INC32m addr:$dst)>, Requires<[In32BitMode]>;
4418 def : Pat<(parallel (X86dec_flag GR32:$src), (implicit EFLAGS)),
4419 (DEC32r GR32:$src)>, Requires<[In32BitMode]>;
4420 def : Pat<(parallel (store (i32 (X86dec_flag (loadi32 addr:$dst))), addr:$dst),
4422 (DEC32m addr:$dst)>, Requires<[In32BitMode]>;
4424 // Register-Register Or with EFLAGS result
4425 def : Pat<(parallel (X86or_flag GR8:$src1, GR8:$src2),
4427 (OR8rr GR8:$src1, GR8:$src2)>;
4428 def : Pat<(parallel (X86or_flag GR16:$src1, GR16:$src2),
4430 (OR16rr GR16:$src1, GR16:$src2)>;
4431 def : Pat<(parallel (X86or_flag GR32:$src1, GR32:$src2),
4433 (OR32rr GR32:$src1, GR32:$src2)>;
4435 // Register-Memory Or with EFLAGS result
4436 def : Pat<(parallel (X86or_flag GR8:$src1, (loadi8 addr:$src2)),
4438 (OR8rm GR8:$src1, addr:$src2)>;
4439 def : Pat<(parallel (X86or_flag GR16:$src1, (loadi16 addr:$src2)),
4441 (OR16rm GR16:$src1, addr:$src2)>;
4442 def : Pat<(parallel (X86or_flag GR32:$src1, (loadi32 addr:$src2)),
4444 (OR32rm GR32:$src1, addr:$src2)>;
4446 // Register-Integer Or with EFLAGS result
4447 def : Pat<(parallel (X86or_flag GR8:$src1, imm:$src2),
4449 (OR8ri GR8:$src1, imm:$src2)>;
4450 def : Pat<(parallel (X86or_flag GR16:$src1, imm:$src2),
4452 (OR16ri GR16:$src1, imm:$src2)>;
4453 def : Pat<(parallel (X86or_flag GR32:$src1, imm:$src2),
4455 (OR32ri GR32:$src1, imm:$src2)>;
4456 def : Pat<(parallel (X86or_flag GR16:$src1, i16immSExt8:$src2),
4458 (OR16ri8 GR16:$src1, i16immSExt8:$src2)>;
4459 def : Pat<(parallel (X86or_flag GR32:$src1, i32immSExt8:$src2),
4461 (OR32ri8 GR32:$src1, i32immSExt8:$src2)>;
4463 // Memory-Register Or with EFLAGS result
4464 def : Pat<(parallel (store (X86or_flag (loadi8 addr:$dst), GR8:$src2),
4467 (OR8mr addr:$dst, GR8:$src2)>;
4468 def : Pat<(parallel (store (X86or_flag (loadi16 addr:$dst), GR16:$src2),
4471 (OR16mr addr:$dst, GR16:$src2)>;
4472 def : Pat<(parallel (store (X86or_flag (loadi32 addr:$dst), GR32:$src2),
4475 (OR32mr addr:$dst, GR32:$src2)>;
4477 // Memory-Integer Or with EFLAGS result
4478 def : Pat<(parallel (store (X86or_flag (loadi8 addr:$dst), imm:$src2),
4481 (OR8mi addr:$dst, imm:$src2)>;
4482 def : Pat<(parallel (store (X86or_flag (loadi16 addr:$dst), imm:$src2),
4485 (OR16mi addr:$dst, imm:$src2)>;
4486 def : Pat<(parallel (store (X86or_flag (loadi32 addr:$dst), imm:$src2),
4489 (OR32mi addr:$dst, imm:$src2)>;
4490 def : Pat<(parallel (store (X86or_flag (loadi16 addr:$dst), i16immSExt8:$src2),
4493 (OR16mi8 addr:$dst, i16immSExt8:$src2)>;
4494 def : Pat<(parallel (store (X86or_flag (loadi32 addr:$dst), i32immSExt8:$src2),
4497 (OR32mi8 addr:$dst, i32immSExt8:$src2)>;
4499 // Register-Register XOr with EFLAGS result
4500 def : Pat<(parallel (X86xor_flag GR8:$src1, GR8:$src2),
4502 (XOR8rr GR8:$src1, GR8:$src2)>;
4503 def : Pat<(parallel (X86xor_flag GR16:$src1, GR16:$src2),
4505 (XOR16rr GR16:$src1, GR16:$src2)>;
4506 def : Pat<(parallel (X86xor_flag GR32:$src1, GR32:$src2),
4508 (XOR32rr GR32:$src1, GR32:$src2)>;
4510 // Register-Memory XOr with EFLAGS result
4511 def : Pat<(parallel (X86xor_flag GR8:$src1, (loadi8 addr:$src2)),
4513 (XOR8rm GR8:$src1, addr:$src2)>;
4514 def : Pat<(parallel (X86xor_flag GR16:$src1, (loadi16 addr:$src2)),
4516 (XOR16rm GR16:$src1, addr:$src2)>;
4517 def : Pat<(parallel (X86xor_flag GR32:$src1, (loadi32 addr:$src2)),
4519 (XOR32rm GR32:$src1, addr:$src2)>;
4521 // Register-Integer XOr with EFLAGS result
4522 def : Pat<(parallel (X86xor_flag GR8:$src1, imm:$src2),
4524 (XOR8ri GR8:$src1, imm:$src2)>;
4525 def : Pat<(parallel (X86xor_flag GR16:$src1, imm:$src2),
4527 (XOR16ri GR16:$src1, imm:$src2)>;
4528 def : Pat<(parallel (X86xor_flag GR32:$src1, imm:$src2),
4530 (XOR32ri GR32:$src1, imm:$src2)>;
4531 def : Pat<(parallel (X86xor_flag GR16:$src1, i16immSExt8:$src2),
4533 (XOR16ri8 GR16:$src1, i16immSExt8:$src2)>;
4534 def : Pat<(parallel (X86xor_flag GR32:$src1, i32immSExt8:$src2),
4536 (XOR32ri8 GR32:$src1, i32immSExt8:$src2)>;
4538 // Memory-Register XOr with EFLAGS result
4539 def : Pat<(parallel (store (X86xor_flag (loadi8 addr:$dst), GR8:$src2),
4542 (XOR8mr addr:$dst, GR8:$src2)>;
4543 def : Pat<(parallel (store (X86xor_flag (loadi16 addr:$dst), GR16:$src2),
4546 (XOR16mr addr:$dst, GR16:$src2)>;
4547 def : Pat<(parallel (store (X86xor_flag (loadi32 addr:$dst), GR32:$src2),
4550 (XOR32mr addr:$dst, GR32:$src2)>;
4552 // Memory-Integer XOr with EFLAGS result
4553 def : Pat<(parallel (store (X86xor_flag (loadi8 addr:$dst), imm:$src2),
4556 (XOR8mi addr:$dst, imm:$src2)>;
4557 def : Pat<(parallel (store (X86xor_flag (loadi16 addr:$dst), imm:$src2),
4560 (XOR16mi addr:$dst, imm:$src2)>;
4561 def : Pat<(parallel (store (X86xor_flag (loadi32 addr:$dst), imm:$src2),
4564 (XOR32mi addr:$dst, imm:$src2)>;
4565 def : Pat<(parallel (store (X86xor_flag (loadi16 addr:$dst), i16immSExt8:$src2),
4568 (XOR16mi8 addr:$dst, i16immSExt8:$src2)>;
4569 def : Pat<(parallel (store (X86xor_flag (loadi32 addr:$dst), i32immSExt8:$src2),
4572 (XOR32mi8 addr:$dst, i32immSExt8:$src2)>;
4574 // Register-Register And with EFLAGS result
4575 def : Pat<(parallel (X86and_flag GR8:$src1, GR8:$src2),
4577 (AND8rr GR8:$src1, GR8:$src2)>;
4578 def : Pat<(parallel (X86and_flag GR16:$src1, GR16:$src2),
4580 (AND16rr GR16:$src1, GR16:$src2)>;
4581 def : Pat<(parallel (X86and_flag GR32:$src1, GR32:$src2),
4583 (AND32rr GR32:$src1, GR32:$src2)>;
4585 // Register-Memory And with EFLAGS result
4586 def : Pat<(parallel (X86and_flag GR8:$src1, (loadi8 addr:$src2)),
4588 (AND8rm GR8:$src1, addr:$src2)>;
4589 def : Pat<(parallel (X86and_flag GR16:$src1, (loadi16 addr:$src2)),
4591 (AND16rm GR16:$src1, addr:$src2)>;
4592 def : Pat<(parallel (X86and_flag GR32:$src1, (loadi32 addr:$src2)),
4594 (AND32rm GR32:$src1, addr:$src2)>;
4596 // Register-Integer And with EFLAGS result
4597 def : Pat<(parallel (X86and_flag GR8:$src1, imm:$src2),
4599 (AND8ri GR8:$src1, imm:$src2)>;
4600 def : Pat<(parallel (X86and_flag GR16:$src1, imm:$src2),
4602 (AND16ri GR16:$src1, imm:$src2)>;
4603 def : Pat<(parallel (X86and_flag GR32:$src1, imm:$src2),
4605 (AND32ri GR32:$src1, imm:$src2)>;
4606 def : Pat<(parallel (X86and_flag GR16:$src1, i16immSExt8:$src2),
4608 (AND16ri8 GR16:$src1, i16immSExt8:$src2)>;
4609 def : Pat<(parallel (X86and_flag GR32:$src1, i32immSExt8:$src2),
4611 (AND32ri8 GR32:$src1, i32immSExt8:$src2)>;
4613 // Memory-Register And with EFLAGS result
4614 def : Pat<(parallel (store (X86and_flag (loadi8 addr:$dst), GR8:$src2),
4617 (AND8mr addr:$dst, GR8:$src2)>;
4618 def : Pat<(parallel (store (X86and_flag (loadi16 addr:$dst), GR16:$src2),
4621 (AND16mr addr:$dst, GR16:$src2)>;
4622 def : Pat<(parallel (store (X86and_flag (loadi32 addr:$dst), GR32:$src2),
4625 (AND32mr addr:$dst, GR32:$src2)>;
4627 // Memory-Integer And with EFLAGS result
4628 def : Pat<(parallel (store (X86and_flag (loadi8 addr:$dst), imm:$src2),
4631 (AND8mi addr:$dst, imm:$src2)>;
4632 def : Pat<(parallel (store (X86and_flag (loadi16 addr:$dst), imm:$src2),
4635 (AND16mi addr:$dst, imm:$src2)>;
4636 def : Pat<(parallel (store (X86and_flag (loadi32 addr:$dst), imm:$src2),
4639 (AND32mi addr:$dst, imm:$src2)>;
4640 def : Pat<(parallel (store (X86and_flag (loadi16 addr:$dst), i16immSExt8:$src2),
4643 (AND16mi8 addr:$dst, i16immSExt8:$src2)>;
4644 def : Pat<(parallel (store (X86and_flag (loadi32 addr:$dst), i32immSExt8:$src2),
4647 (AND32mi8 addr:$dst, i32immSExt8:$src2)>;
4649 // -disable-16bit support.
4650 def : Pat<(truncstorei16 (i32 imm:$src), addr:$dst),
4651 (MOV16mi addr:$dst, imm:$src)>;
4652 def : Pat<(truncstorei16 GR32:$src, addr:$dst),
4653 (MOV16mr addr:$dst, (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
4654 def : Pat<(i32 (sextloadi16 addr:$dst)),
4655 (MOVSX32rm16 addr:$dst)>;
4656 def : Pat<(i32 (zextloadi16 addr:$dst)),
4657 (MOVZX32rm16 addr:$dst)>;
4658 def : Pat<(i32 (extloadi16 addr:$dst)),
4659 (MOVZX32rm16 addr:$dst)>;
4661 //===----------------------------------------------------------------------===//
4662 // Floating Point Stack Support
4663 //===----------------------------------------------------------------------===//
4665 include "X86InstrFPStack.td"
4667 //===----------------------------------------------------------------------===//
4669 //===----------------------------------------------------------------------===//
4671 include "X86Instr64bit.td"
4673 //===----------------------------------------------------------------------===//
4674 // XMM Floating point support (requires SSE / SSE2)
4675 //===----------------------------------------------------------------------===//
4677 include "X86InstrSSE.td"
4679 //===----------------------------------------------------------------------===//
4680 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
4681 //===----------------------------------------------------------------------===//
4683 include "X86InstrMMX.td"