1 //===----------------------------------------------------------------------===//
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<1, 2, [SDTCisVT<0, i32>, SDTCisSameAs<1, 2>]>;
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<2, 1,
32 [SDTCisInt<0>, SDTCisVT<1, i32>]>;
34 def SDTBinaryArithWithFlags : SDTypeProfile<2, 2,
37 SDTCisInt<0>, SDTCisVT<1, i32>]>;
38 def SDTX86BrCond : SDTypeProfile<0, 3,
39 [SDTCisVT<0, OtherVT>,
40 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
42 def SDTX86SetCC : SDTypeProfile<1, 2,
44 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
45 def SDTX86SetCC_C : SDTypeProfile<1, 2,
47 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
49 def SDTX86cas : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisInt<1>,
51 def SDTX86cas8 : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
53 def SDTX86atomicBinary : SDTypeProfile<2, 3, [SDTCisInt<0>, SDTCisInt<1>,
54 SDTCisPtrTy<2>, SDTCisInt<3>,SDTCisInt<4>]>;
55 def SDTX86Ret : SDTypeProfile<0, -1, [SDTCisVT<0, i16>]>;
57 def SDT_X86CallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
58 def SDT_X86CallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>,
61 def SDT_X86Call : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>;
63 def SDT_X86VASTART_SAVE_XMM_REGS : SDTypeProfile<0, -1, [SDTCisVT<0, i8>,
67 def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
69 def SDTX86Void : SDTypeProfile<0, 0, []>;
71 def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
73 def SDT_X86TLSADDR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
75 def SDT_X86SegmentBaseAddress : SDTypeProfile<1, 1, [SDTCisPtrTy<0>]>;
77 def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
79 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
81 def X86bsf : SDNode<"X86ISD::BSF", SDTIntUnaryOp>;
82 def X86bsr : SDNode<"X86ISD::BSR", SDTIntUnaryOp>;
83 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
84 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
86 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
87 def X86bt : SDNode<"X86ISD::BT", SDTX86CmpTest>;
89 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
90 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
92 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
93 def X86setcc_c : SDNode<"X86ISD::SETCC_CARRY", SDTX86SetCC_C>;
95 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
96 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
98 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86cas8,
99 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
101 def X86AtomAdd64 : SDNode<"X86ISD::ATOMADD64_DAG", SDTX86atomicBinary,
102 [SDNPHasChain, SDNPMayStore,
103 SDNPMayLoad, SDNPMemOperand]>;
104 def X86AtomSub64 : SDNode<"X86ISD::ATOMSUB64_DAG", SDTX86atomicBinary,
105 [SDNPHasChain, SDNPMayStore,
106 SDNPMayLoad, SDNPMemOperand]>;
107 def X86AtomOr64 : SDNode<"X86ISD::ATOMOR64_DAG", SDTX86atomicBinary,
108 [SDNPHasChain, SDNPMayStore,
109 SDNPMayLoad, SDNPMemOperand]>;
110 def X86AtomXor64 : SDNode<"X86ISD::ATOMXOR64_DAG", SDTX86atomicBinary,
111 [SDNPHasChain, SDNPMayStore,
112 SDNPMayLoad, SDNPMemOperand]>;
113 def X86AtomAnd64 : SDNode<"X86ISD::ATOMAND64_DAG", SDTX86atomicBinary,
114 [SDNPHasChain, SDNPMayStore,
115 SDNPMayLoad, SDNPMemOperand]>;
116 def X86AtomNand64 : SDNode<"X86ISD::ATOMNAND64_DAG", SDTX86atomicBinary,
117 [SDNPHasChain, SDNPMayStore,
118 SDNPMayLoad, SDNPMemOperand]>;
119 def X86AtomSwap64 : SDNode<"X86ISD::ATOMSWAP64_DAG", SDTX86atomicBinary,
120 [SDNPHasChain, SDNPMayStore,
121 SDNPMayLoad, SDNPMemOperand]>;
122 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
123 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
125 def X86vastart_save_xmm_regs :
126 SDNode<"X86ISD::VASTART_SAVE_XMM_REGS",
127 SDT_X86VASTART_SAVE_XMM_REGS,
128 [SDNPHasChain, SDNPVariadic]>;
130 def X86callseq_start :
131 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
132 [SDNPHasChain, SDNPOutFlag]>;
134 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
135 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
137 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
138 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag,
141 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
142 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore]>;
143 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
144 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
147 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG", SDTX86Void,
148 [SDNPHasChain, SDNPOutFlag, SDNPSideEffect]>;
150 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
151 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
153 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
154 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
155 def X86SegmentBaseAddress : SDNode<"X86ISD::SegmentBaseAddress",
156 SDT_X86SegmentBaseAddress, []>;
158 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
161 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
162 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
164 def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags,
166 def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
167 def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags,
169 def X86umul_flag : SDNode<"X86ISD::UMUL", SDTUnaryArithWithFlags,
172 def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>;
173 def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>;
174 def X86or_flag : SDNode<"X86ISD::OR", SDTBinaryArithWithFlags,
176 def X86xor_flag : SDNode<"X86ISD::XOR", SDTBinaryArithWithFlags,
178 def X86and_flag : SDNode<"X86ISD::AND", SDTBinaryArithWithFlags,
181 def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
183 def X86MingwAlloca : SDNode<"X86ISD::MINGW_ALLOCA", SDTX86Void,
184 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
186 //===----------------------------------------------------------------------===//
187 // X86 Operand Definitions.
190 // A version of ptr_rc which excludes SP, ESP, and RSP. This is used for
191 // the index operand of an address, to conform to x86 encoding restrictions.
192 def ptr_rc_nosp : PointerLikeRegClass<1>;
194 // *mem - Operand definitions for the funky X86 addressing mode operands.
196 def X86MemAsmOperand : AsmOperandClass {
200 def X86AbsMemAsmOperand : AsmOperandClass {
202 let SuperClass = X86MemAsmOperand;
204 def X86NoSegMemAsmOperand : AsmOperandClass {
205 let Name = "NoSegMem";
206 let SuperClass = X86MemAsmOperand;
208 class X86MemOperand<string printMethod> : Operand<iPTR> {
209 let PrintMethod = printMethod;
210 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc_nosp, i32imm, i8imm);
211 let ParserMatchClass = X86MemAsmOperand;
214 def opaque32mem : X86MemOperand<"printopaquemem">;
215 def opaque48mem : X86MemOperand<"printopaquemem">;
216 def opaque80mem : X86MemOperand<"printopaquemem">;
217 def opaque512mem : X86MemOperand<"printopaquemem">;
219 def i8mem : X86MemOperand<"printi8mem">;
220 def i16mem : X86MemOperand<"printi16mem">;
221 def i32mem : X86MemOperand<"printi32mem">;
222 def i64mem : X86MemOperand<"printi64mem">;
223 def i128mem : X86MemOperand<"printi128mem">;
224 //def i256mem : X86MemOperand<"printi256mem">;
225 def f32mem : X86MemOperand<"printf32mem">;
226 def f64mem : X86MemOperand<"printf64mem">;
227 def f80mem : X86MemOperand<"printf80mem">;
228 def f128mem : X86MemOperand<"printf128mem">;
229 //def f256mem : X86MemOperand<"printf256mem">;
231 // A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
232 // plain GR64, so that it doesn't potentially require a REX prefix.
233 def i8mem_NOREX : Operand<i64> {
234 let PrintMethod = "printi8mem";
235 let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_NOREX_NOSP, i32imm, i8imm);
236 let ParserMatchClass = X86MemAsmOperand;
239 // Special i32mem for addresses of load folding tail calls. These are not
240 // allowed to use callee-saved registers since they must be scheduled
241 // after callee-saved register are popped.
242 def i32mem_TC : Operand<i32> {
243 let PrintMethod = "printi32mem";
244 let MIOperandInfo = (ops GR32_TC, i8imm, GR32_TC, i32imm, i8imm);
245 let ParserMatchClass = X86MemAsmOperand;
248 def lea32mem : Operand<i32> {
249 let PrintMethod = "printlea32mem";
250 let MIOperandInfo = (ops GR32, i8imm, GR32_NOSP, i32imm);
251 let ParserMatchClass = X86NoSegMemAsmOperand;
254 let ParserMatchClass = X86AbsMemAsmOperand,
255 PrintMethod = "print_pcrel_imm" in {
256 def i32imm_pcrel : Operand<i32>;
258 def offset8 : Operand<i64>;
259 def offset16 : Operand<i64>;
260 def offset32 : Operand<i64>;
261 def offset64 : Operand<i64>;
263 // Branch targets have OtherVT type and print as pc-relative values.
264 def brtarget : Operand<OtherVT>;
265 def brtarget8 : Operand<OtherVT>;
269 def SSECC : Operand<i8> {
270 let PrintMethod = "printSSECC";
273 def ImmSExt8AsmOperand : AsmOperandClass {
274 let Name = "ImmSExt8";
275 let SuperClass = ImmAsmOperand;
278 // A couple of more descriptive operand definitions.
279 // 16-bits but only 8 bits are significant.
280 def i16i8imm : Operand<i16> {
281 let ParserMatchClass = ImmSExt8AsmOperand;
283 // 32-bits but only 8 bits are significant.
284 def i32i8imm : Operand<i32> {
285 let ParserMatchClass = ImmSExt8AsmOperand;
288 //===----------------------------------------------------------------------===//
289 // X86 Complex Pattern Definitions.
292 // Define X86 specific addressing mode.
293 def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], []>;
294 def lea32addr : ComplexPattern<i32, 4, "SelectLEAAddr",
295 [add, sub, mul, X86mul_imm, shl, or, frameindex],
297 def tls32addr : ComplexPattern<i32, 4, "SelectTLSADDRAddr",
298 [tglobaltlsaddr], []>;
300 //===----------------------------------------------------------------------===//
301 // X86 Instruction Predicate Definitions.
302 def HasCMov : Predicate<"Subtarget->hasCMov()">;
303 def NoCMov : Predicate<"!Subtarget->hasCMov()">;
304 def HasMMX : Predicate<"Subtarget->hasMMX()">;
305 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
306 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
307 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
308 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
309 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
310 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
311 def HasSSE4A : Predicate<"Subtarget->hasSSE4A()">;
312 def HasAVX : Predicate<"Subtarget->hasAVX()">;
313 def HasFMA3 : Predicate<"Subtarget->hasFMA3()">;
314 def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
315 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
316 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
317 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
318 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
319 def IsWin64 : Predicate<"Subtarget->isTargetWin64()">;
320 def NotWin64 : Predicate<"!Subtarget->isTargetWin64()">;
321 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
322 def KernelCode : Predicate<"TM.getCodeModel() == CodeModel::Kernel">;
323 def FarData : Predicate<"TM.getCodeModel() != CodeModel::Small &&"
324 "TM.getCodeModel() != CodeModel::Kernel">;
325 def NearData : Predicate<"TM.getCodeModel() == CodeModel::Small ||"
326 "TM.getCodeModel() == CodeModel::Kernel">;
327 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
328 def IsNotPIC : Predicate<"TM.getRelocationModel() != Reloc::PIC_">;
329 def OptForSize : Predicate<"OptForSize">;
330 def OptForSpeed : Predicate<"!OptForSize">;
331 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
332 def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
334 //===----------------------------------------------------------------------===//
335 // X86 Instruction Format Definitions.
338 include "X86InstrFormats.td"
340 //===----------------------------------------------------------------------===//
341 // Pattern fragments...
344 // X86 specific condition code. These correspond to CondCode in
345 // X86InstrInfo.h. They must be kept in synch.
346 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
347 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
348 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
349 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
350 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
351 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
352 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
353 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
354 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
355 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
356 def X86_COND_NO : PatLeaf<(i8 10)>;
357 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
358 def X86_COND_NS : PatLeaf<(i8 12)>;
359 def X86_COND_O : PatLeaf<(i8 13)>;
360 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
361 def X86_COND_S : PatLeaf<(i8 15)>;
363 def immSext8 : PatLeaf<(imm), [{
364 return N->getSExtValue() == (int8_t)N->getSExtValue();
367 def i16immSExt8 : PatLeaf<(i16 immSext8)>;
368 def i32immSExt8 : PatLeaf<(i32 immSext8)>;
370 /// Load patterns: these constraint the match to the right address space.
371 def dsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
372 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
373 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
374 if (PT->getAddressSpace() > 255)
379 def gsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
380 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
381 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
382 return PT->getAddressSpace() == 256;
386 def fsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
387 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
388 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
389 return PT->getAddressSpace() == 257;
394 // Helper fragments for loads.
395 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
396 // known to be 32-bit aligned or better. Ditto for i8 to i16.
397 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
398 LoadSDNode *LD = cast<LoadSDNode>(N);
399 if (const Value *Src = LD->getSrcValue())
400 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
401 if (PT->getAddressSpace() > 255)
403 ISD::LoadExtType ExtType = LD->getExtensionType();
404 if (ExtType == ISD::NON_EXTLOAD)
406 if (ExtType == ISD::EXTLOAD)
407 return LD->getAlignment() >= 2 && !LD->isVolatile();
411 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)),[{
412 LoadSDNode *LD = cast<LoadSDNode>(N);
413 if (const Value *Src = LD->getSrcValue())
414 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
415 if (PT->getAddressSpace() > 255)
417 ISD::LoadExtType ExtType = LD->getExtensionType();
418 if (ExtType == ISD::EXTLOAD)
419 return LD->getAlignment() >= 2 && !LD->isVolatile();
423 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
424 LoadSDNode *LD = cast<LoadSDNode>(N);
425 if (const Value *Src = LD->getSrcValue())
426 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
427 if (PT->getAddressSpace() > 255)
429 ISD::LoadExtType ExtType = LD->getExtensionType();
430 if (ExtType == ISD::NON_EXTLOAD)
432 if (ExtType == ISD::EXTLOAD)
433 return LD->getAlignment() >= 4 && !LD->isVolatile();
437 def loadi8 : PatFrag<(ops node:$ptr), (i8 (dsload node:$ptr))>;
438 def loadi64 : PatFrag<(ops node:$ptr), (i64 (dsload node:$ptr))>;
439 def loadf32 : PatFrag<(ops node:$ptr), (f32 (dsload node:$ptr))>;
440 def loadf64 : PatFrag<(ops node:$ptr), (f64 (dsload node:$ptr))>;
441 def loadf80 : PatFrag<(ops node:$ptr), (f80 (dsload node:$ptr))>;
443 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
444 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
445 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
447 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
448 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
449 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
450 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
451 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
452 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
454 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
455 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
456 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
457 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
458 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
459 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
462 // An 'and' node with a single use.
463 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
464 return N->hasOneUse();
466 // An 'srl' node with a single use.
467 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
468 return N->hasOneUse();
470 // An 'trunc' node with a single use.
471 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
472 return N->hasOneUse();
475 // Treat an 'or' node is as an 'add' if the or'ed bits are known to be zero.
476 def or_is_add : PatFrag<(ops node:$lhs, node:$rhs), (or node:$lhs, node:$rhs),[{
477 if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N->getOperand(1)))
478 return CurDAG->MaskedValueIsZero(N->getOperand(0), CN->getAPIntValue());
480 unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits();
481 APInt Mask = APInt::getAllOnesValue(BitWidth);
482 APInt KnownZero0, KnownOne0;
483 CurDAG->ComputeMaskedBits(N->getOperand(0), Mask, KnownZero0, KnownOne0, 0);
484 APInt KnownZero1, KnownOne1;
485 CurDAG->ComputeMaskedBits(N->getOperand(1), Mask, KnownZero1, KnownOne1, 0);
486 return (~KnownZero0 & ~KnownZero1) == 0;
489 // 'shld' and 'shrd' instruction patterns. Note that even though these have
490 // the srl and shl in their patterns, the C++ code must still check for them,
491 // because predicates are tested before children nodes are explored.
493 def shrd : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
494 (or (srl node:$src1, node:$amt1),
495 (shl node:$src2, node:$amt2)), [{
496 assert(N->getOpcode() == ISD::OR);
497 return N->getOperand(0).getOpcode() == ISD::SRL &&
498 N->getOperand(1).getOpcode() == ISD::SHL &&
499 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
500 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
501 N->getOperand(0).getConstantOperandVal(1) ==
502 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
505 def shld : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
506 (or (shl node:$src1, node:$amt1),
507 (srl node:$src2, node:$amt2)), [{
508 assert(N->getOpcode() == ISD::OR);
509 return N->getOperand(0).getOpcode() == ISD::SHL &&
510 N->getOperand(1).getOpcode() == ISD::SRL &&
511 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
512 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
513 N->getOperand(0).getConstantOperandVal(1) ==
514 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
517 //===----------------------------------------------------------------------===//
518 // Instruction list...
521 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
522 // a stack adjustment and the codegen must know that they may modify the stack
523 // pointer before prolog-epilog rewriting occurs.
524 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
525 // sub / add which can clobber EFLAGS.
526 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
527 def ADJCALLSTACKDOWN32 : I<0, Pseudo, (outs), (ins i32imm:$amt),
529 [(X86callseq_start timm:$amt)]>,
530 Requires<[In32BitMode]>;
531 def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
533 [(X86callseq_end timm:$amt1, timm:$amt2)]>,
534 Requires<[In32BitMode]>;
537 // x86-64 va_start lowering magic.
538 let usesCustomInserter = 1 in {
539 def VASTART_SAVE_XMM_REGS : I<0, Pseudo,
542 i64imm:$regsavefi, i64imm:$offset,
544 "#VASTART_SAVE_XMM_REGS $al, $regsavefi, $offset",
545 [(X86vastart_save_xmm_regs GR8:$al,
549 // Dynamic stack allocation yields _alloca call for Cygwin/Mingw targets. Calls
550 // to _alloca is needed to probe the stack when allocating more than 4k bytes in
551 // one go. Touching the stack at 4K increments is necessary to ensure that the
552 // guard pages used by the OS virtual memory manager are allocated in correct
554 // The main point of having separate instruction are extra unmodelled effects
555 // (compared to ordinary calls) like stack pointer change.
557 def MINGW_ALLOCA : I<0, Pseudo, (outs), (ins),
558 "# dynamic stack allocation",
563 let neverHasSideEffects = 1 in {
564 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
565 def NOOPW : I<0x1f, MRM0m, (outs), (ins i16mem:$zero),
566 "nop{w}\t$zero", []>, TB, OpSize;
567 def NOOPL : I<0x1f, MRM0m, (outs), (ins i32mem:$zero),
568 "nop{l}\t$zero", []>, TB;
572 def INT3 : I<0xcc, RawFrm, (outs), (ins), "int\t3", []>;
573 def INT : I<0xcd, RawFrm, (outs), (ins i8imm:$trap), "int\t$trap", []>;
574 def IRET16 : I<0xcf, RawFrm, (outs), (ins), "iret{w}", []>, OpSize;
575 def IRET32 : I<0xcf, RawFrm, (outs), (ins), "iret{l}", []>;
577 // PIC base construction. This expands to code that looks like this:
580 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
581 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins i32imm:$label),
584 //===----------------------------------------------------------------------===//
585 // Control Flow Instructions.
588 // Return instructions.
589 let isTerminator = 1, isReturn = 1, isBarrier = 1,
590 hasCtrlDep = 1, FPForm = SpecialFP in {
591 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
594 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
596 [(X86retflag timm:$amt)]>;
597 def LRET : I <0xCB, RawFrm, (outs), (ins),
599 def LRETI : Ii16<0xCA, RawFrm, (outs), (ins i16imm:$amt),
603 // Unconditional branches.
604 let isBarrier = 1, isBranch = 1, isTerminator = 1 in {
605 def JMP_4 : Ii32PCRel<0xE9, RawFrm, (outs), (ins brtarget:$dst),
606 "jmp\t$dst", [(br bb:$dst)]>;
607 def JMP_1 : Ii8PCRel<0xEB, RawFrm, (outs), (ins brtarget8:$dst),
611 // Conditional Branches.
612 let isBranch = 1, isTerminator = 1, Uses = [EFLAGS] in {
613 multiclass ICBr<bits<8> opc1, bits<8> opc4, string asm, PatFrag Cond> {
614 def _1 : Ii8PCRel <opc1, RawFrm, (outs), (ins brtarget8:$dst), asm, []>;
615 def _4 : Ii32PCRel<opc4, RawFrm, (outs), (ins brtarget:$dst), asm,
616 [(X86brcond bb:$dst, Cond, EFLAGS)]>, TB;
620 defm JO : ICBr<0x70, 0x80, "jo\t$dst" , X86_COND_O>;
621 defm JNO : ICBr<0x71, 0x81, "jno\t$dst" , X86_COND_NO>;
622 defm JB : ICBr<0x72, 0x82, "jb\t$dst" , X86_COND_B>;
623 defm JAE : ICBr<0x73, 0x83, "jae\t$dst", X86_COND_AE>;
624 defm JE : ICBr<0x74, 0x84, "je\t$dst" , X86_COND_E>;
625 defm JNE : ICBr<0x75, 0x85, "jne\t$dst", X86_COND_NE>;
626 defm JBE : ICBr<0x76, 0x86, "jbe\t$dst", X86_COND_BE>;
627 defm JA : ICBr<0x77, 0x87, "ja\t$dst" , X86_COND_A>;
628 defm JS : ICBr<0x78, 0x88, "js\t$dst" , X86_COND_S>;
629 defm JNS : ICBr<0x79, 0x89, "jns\t$dst", X86_COND_NS>;
630 defm JP : ICBr<0x7A, 0x8A, "jp\t$dst" , X86_COND_P>;
631 defm JNP : ICBr<0x7B, 0x8B, "jnp\t$dst", X86_COND_NP>;
632 defm JL : ICBr<0x7C, 0x8C, "jl\t$dst" , X86_COND_L>;
633 defm JGE : ICBr<0x7D, 0x8D, "jge\t$dst", X86_COND_GE>;
634 defm JLE : ICBr<0x7E, 0x8E, "jle\t$dst", X86_COND_LE>;
635 defm JG : ICBr<0x7F, 0x8F, "jg\t$dst" , X86_COND_G>;
637 // FIXME: What about the CX/RCX versions of this instruction?
638 let Uses = [ECX], isBranch = 1, isTerminator = 1 in
639 def JCXZ8 : Ii8PCRel<0xE3, RawFrm, (outs), (ins brtarget8:$dst),
644 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
645 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
646 [(brind GR32:$dst)]>;
647 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
648 [(brind (loadi32 addr:$dst))]>;
650 def FARJMP16i : Iseg16<0xEA, RawFrm, (outs),
651 (ins i16imm:$seg, i16imm:$off),
652 "ljmp{w}\t$seg, $off", []>, OpSize;
653 def FARJMP32i : Iseg32<0xEA, RawFrm, (outs),
654 (ins i16imm:$seg, i32imm:$off),
655 "ljmp{l}\t$seg, $off", []>;
657 def FARJMP16m : I<0xFF, MRM5m, (outs), (ins opaque32mem:$dst),
658 "ljmp{w}\t{*}$dst", []>, OpSize;
659 def FARJMP32m : I<0xFF, MRM5m, (outs), (ins opaque48mem:$dst),
660 "ljmp{l}\t{*}$dst", []>;
666 def LOOP : I<0xE2, RawFrm, (outs), (ins brtarget8:$dst), "loop\t$dst", []>;
667 def LOOPE : I<0xE1, RawFrm, (outs), (ins brtarget8:$dst), "loope\t$dst", []>;
668 def LOOPNE : I<0xE0, RawFrm, (outs), (ins brtarget8:$dst), "loopne\t$dst", []>;
670 //===----------------------------------------------------------------------===//
671 // Call Instructions...
674 // All calls clobber the non-callee saved registers. ESP is marked as
675 // a use to prevent stack-pointer assignments that appear immediately
676 // before calls from potentially appearing dead. Uses for argument
677 // registers are added manually.
678 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
679 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
680 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
681 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
683 def CALLpcrel32 : Ii32PCRel<0xE8, RawFrm,
684 (outs), (ins i32imm_pcrel:$dst,variable_ops),
686 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
687 "call\t{*}$dst", [(X86call GR32:$dst)]>;
688 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
689 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
691 def FARCALL16i : Iseg16<0x9A, RawFrm, (outs),
692 (ins i16imm:$seg, i16imm:$off),
693 "lcall{w}\t$seg, $off", []>, OpSize;
694 def FARCALL32i : Iseg32<0x9A, RawFrm, (outs),
695 (ins i16imm:$seg, i32imm:$off),
696 "lcall{l}\t$seg, $off", []>;
698 def FARCALL16m : I<0xFF, MRM3m, (outs), (ins opaque32mem:$dst),
699 "lcall{w}\t{*}$dst", []>, OpSize;
700 def FARCALL32m : I<0xFF, MRM3m, (outs), (ins opaque48mem:$dst),
701 "lcall{l}\t{*}$dst", []>;
704 // Constructing a stack frame.
706 def ENTER : I<0xC8, RawFrm, (outs), (ins i16imm:$len, i8imm:$lvl),
707 "enter\t$len, $lvl", []>;
711 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
712 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
713 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
714 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
715 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
717 def TCRETURNdi : I<0, Pseudo, (outs),
718 (ins i32imm_pcrel:$dst, i32imm:$offset, variable_ops),
719 "#TC_RETURN $dst $offset", []>;
720 def TCRETURNri : I<0, Pseudo, (outs),
721 (ins GR32_TC:$dst, i32imm:$offset, variable_ops),
722 "#TC_RETURN $dst $offset", []>;
723 def TCRETURNmi : I<0, Pseudo, (outs),
724 (ins i32mem_TC:$dst, i32imm:$offset, variable_ops),
725 "#TC_RETURN $dst $offset", []>;
727 // FIXME: The should be pseudo instructions that are lowered when going to
729 def TAILJMPd : Ii32PCRel<0xE9, RawFrm, (outs),
730 (ins i32imm_pcrel:$dst, variable_ops),
731 "jmp\t$dst # TAILCALL",
733 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32_TC:$dst, variable_ops),
734 "jmp{l}\t{*}$dst # TAILCALL",
736 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem_TC:$dst, variable_ops),
737 "jmp{l}\t{*}$dst # TAILCALL", []>;
740 //===----------------------------------------------------------------------===//
741 // Miscellaneous Instructions...
743 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
744 def LEAVE : I<0xC9, RawFrm,
745 (outs), (ins), "leave", []>;
747 def POPCNT16rr : I<0xB8, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
748 "popcnt{w}\t{$src, $dst|$dst, $src}", []>, OpSize, XS;
749 def POPCNT16rm : I<0xB8, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
750 "popcnt{w}\t{$src, $dst|$dst, $src}", []>, OpSize, XS;
751 def POPCNT32rr : I<0xB8, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
752 "popcnt{l}\t{$src, $dst|$dst, $src}", []>, XS;
753 def POPCNT32rm : I<0xB8, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
754 "popcnt{l}\t{$src, $dst|$dst, $src}", []>, XS;
756 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
758 def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
760 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
761 def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
763 def POP16rmm: I<0x8F, MRM0m, (outs i16mem:$dst), (ins), "pop{w}\t$dst", []>,
765 def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
766 def POP32rmm: I<0x8F, MRM0m, (outs i32mem:$dst), (ins), "pop{l}\t$dst", []>;
769 let mayStore = 1 in {
770 def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
772 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
773 def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
775 def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[]>,
777 def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
778 def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[]>;
782 let Defs = [ESP], Uses = [ESP], neverHasSideEffects = 1, mayStore = 1 in {
783 def PUSH32i8 : Ii8<0x6a, RawFrm, (outs), (ins i8imm:$imm),
784 "push{l}\t$imm", []>;
785 def PUSH32i16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
786 "push{l}\t$imm", []>;
787 def PUSH32i32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
788 "push{l}\t$imm", []>;
791 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in {
792 def POPF : I<0x9D, RawFrm, (outs), (ins), "popf{w}", []>, OpSize;
793 def POPFD : I<0x9D, RawFrm, (outs), (ins), "popf{l}", []>;
795 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in {
796 def PUSHF : I<0x9C, RawFrm, (outs), (ins), "pushf{w}", []>, OpSize;
797 def PUSHFD : I<0x9C, RawFrm, (outs), (ins), "pushf{l}", []>;
800 let isTwoAddress = 1 in // GR32 = bswap GR32
801 def BSWAP32r : I<0xC8, AddRegFrm,
802 (outs GR32:$dst), (ins GR32:$src),
804 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
807 // Bit scan instructions.
808 let Defs = [EFLAGS] in {
809 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
810 "bsf{w}\t{$src, $dst|$dst, $src}",
811 [(set GR16:$dst, (X86bsf GR16:$src)), (implicit EFLAGS)]>, TB;
812 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
813 "bsf{w}\t{$src, $dst|$dst, $src}",
814 [(set GR16:$dst, (X86bsf (loadi16 addr:$src))),
815 (implicit EFLAGS)]>, TB;
816 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
817 "bsf{l}\t{$src, $dst|$dst, $src}",
818 [(set GR32:$dst, (X86bsf GR32:$src)), (implicit EFLAGS)]>, TB;
819 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
820 "bsf{l}\t{$src, $dst|$dst, $src}",
821 [(set GR32:$dst, (X86bsf (loadi32 addr:$src))),
822 (implicit EFLAGS)]>, TB;
824 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
825 "bsr{w}\t{$src, $dst|$dst, $src}",
826 [(set GR16:$dst, (X86bsr GR16:$src)), (implicit EFLAGS)]>, TB;
827 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
828 "bsr{w}\t{$src, $dst|$dst, $src}",
829 [(set GR16:$dst, (X86bsr (loadi16 addr:$src))),
830 (implicit EFLAGS)]>, TB;
831 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
832 "bsr{l}\t{$src, $dst|$dst, $src}",
833 [(set GR32:$dst, (X86bsr GR32:$src)), (implicit EFLAGS)]>, TB;
834 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
835 "bsr{l}\t{$src, $dst|$dst, $src}",
836 [(set GR32:$dst, (X86bsr (loadi32 addr:$src))),
837 (implicit EFLAGS)]>, TB;
840 let neverHasSideEffects = 1 in
841 def LEA16r : I<0x8D, MRMSrcMem,
842 (outs GR16:$dst), (ins lea32mem:$src),
843 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
844 let isReMaterializable = 1 in
845 def LEA32r : I<0x8D, MRMSrcMem,
846 (outs GR32:$dst), (ins lea32mem:$src),
847 "lea{l}\t{$src|$dst}, {$dst|$src}",
848 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
850 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI], isCodeGenOnly = 1 in {
851 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
852 [(X86rep_movs i8)]>, REP;
853 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
854 [(X86rep_movs i16)]>, REP, OpSize;
855 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
856 [(X86rep_movs i32)]>, REP;
859 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
860 let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in {
861 def MOVSB : I<0xA4, RawFrm, (outs), (ins), "{movsb}", []>;
862 def MOVSW : I<0xA5, RawFrm, (outs), (ins), "{movsw}", []>, OpSize;
863 def MOVSD : I<0xA5, RawFrm, (outs), (ins), "{movsl|movsd}", []>;
866 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI], isCodeGenOnly = 1 in
867 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
868 [(X86rep_stos i8)]>, REP;
869 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI], isCodeGenOnly = 1 in
870 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
871 [(X86rep_stos i16)]>, REP, OpSize;
872 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI], isCodeGenOnly = 1 in
873 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
874 [(X86rep_stos i32)]>, REP;
876 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
877 let Defs = [EDI], Uses = [AL,EDI,EFLAGS] in
878 def STOSB : I<0xAA, RawFrm, (outs), (ins), "{stosb}", []>;
879 let Defs = [EDI], Uses = [AX,EDI,EFLAGS] in
880 def STOSW : I<0xAB, RawFrm, (outs), (ins), "{stosw}", []>, OpSize;
881 let Defs = [EDI], Uses = [EAX,EDI,EFLAGS] in
882 def STOSD : I<0xAB, RawFrm, (outs), (ins), "{stosl|stosd}", []>;
884 def SCAS8 : I<0xAE, RawFrm, (outs), (ins), "scas{b}", []>;
885 def SCAS16 : I<0xAF, RawFrm, (outs), (ins), "scas{w}", []>, OpSize;
886 def SCAS32 : I<0xAF, RawFrm, (outs), (ins), "scas{l}", []>;
888 def CMPS8 : I<0xA6, RawFrm, (outs), (ins), "cmps{b}", []>;
889 def CMPS16 : I<0xA7, RawFrm, (outs), (ins), "cmps{w}", []>, OpSize;
890 def CMPS32 : I<0xA7, RawFrm, (outs), (ins), "cmps{l}", []>;
892 let Defs = [RAX, RDX] in
893 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
896 let Defs = [RAX, RCX, RDX] in
897 def RDTSCP : I<0x01, MRM_F9, (outs), (ins), "rdtscp", []>, TB;
899 let isBarrier = 1, hasCtrlDep = 1 in {
900 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
903 def SYSCALL : I<0x05, RawFrm,
904 (outs), (ins), "syscall", []>, TB;
905 def SYSRET : I<0x07, RawFrm,
906 (outs), (ins), "sysret", []>, TB;
907 def SYSENTER : I<0x34, RawFrm,
908 (outs), (ins), "sysenter", []>, TB;
909 def SYSEXIT : I<0x35, RawFrm,
910 (outs), (ins), "sysexit", []>, TB;
912 def WAIT : I<0x9B, RawFrm, (outs), (ins), "wait", []>;
915 //===----------------------------------------------------------------------===//
916 // Input/Output Instructions...
918 let Defs = [AL], Uses = [DX] in
919 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
920 "in{b}\t{%dx, %al|%AL, %DX}", []>;
921 let Defs = [AX], Uses = [DX] in
922 def IN16rr : I<0xED, RawFrm, (outs), (ins),
923 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
924 let Defs = [EAX], Uses = [DX] in
925 def IN32rr : I<0xED, RawFrm, (outs), (ins),
926 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
929 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i16i8imm:$port),
930 "in{b}\t{$port, %al|%AL, $port}", []>;
932 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
933 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
935 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
936 "in{l}\t{$port, %eax|%EAX, $port}", []>;
938 let Uses = [DX, AL] in
939 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
940 "out{b}\t{%al, %dx|%DX, %AL}", []>;
941 let Uses = [DX, AX] in
942 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
943 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
944 let Uses = [DX, EAX] in
945 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
946 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
949 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i16i8imm:$port),
950 "out{b}\t{%al, $port|$port, %AL}", []>;
952 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
953 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
955 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
956 "out{l}\t{%eax, $port|$port, %EAX}", []>;
958 def IN8 : I<0x6C, RawFrm, (outs), (ins),
960 def IN16 : I<0x6D, RawFrm, (outs), (ins),
961 "ins{w}", []>, OpSize;
962 def IN32 : I<0x6D, RawFrm, (outs), (ins),
965 //===----------------------------------------------------------------------===//
966 // Move Instructions...
968 let neverHasSideEffects = 1 in {
969 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
970 "mov{b}\t{$src, $dst|$dst, $src}", []>;
971 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
972 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
973 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
974 "mov{l}\t{$src, $dst|$dst, $src}", []>;
976 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
977 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
978 "mov{b}\t{$src, $dst|$dst, $src}",
979 [(set GR8:$dst, imm:$src)]>;
980 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
981 "mov{w}\t{$src, $dst|$dst, $src}",
982 [(set GR16:$dst, imm:$src)]>, OpSize;
983 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
984 "mov{l}\t{$src, $dst|$dst, $src}",
985 [(set GR32:$dst, imm:$src)]>;
988 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
989 "mov{b}\t{$src, $dst|$dst, $src}",
990 [(store (i8 imm:$src), addr:$dst)]>;
991 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
992 "mov{w}\t{$src, $dst|$dst, $src}",
993 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
994 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
995 "mov{l}\t{$src, $dst|$dst, $src}",
996 [(store (i32 imm:$src), addr:$dst)]>;
998 def MOV8o8a : Ii8 <0xA0, RawFrm, (outs), (ins offset8:$src),
999 "mov{b}\t{$src, %al|%al, $src}", []>;
1000 def MOV16o16a : Ii16 <0xA1, RawFrm, (outs), (ins offset16:$src),
1001 "mov{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1002 def MOV32o32a : Ii32 <0xA1, RawFrm, (outs), (ins offset32:$src),
1003 "mov{l}\t{$src, %eax|%eax, $src}", []>;
1005 def MOV8ao8 : Ii8 <0xA2, RawFrm, (outs offset8:$dst), (ins),
1006 "mov{b}\t{%al, $dst|$dst, %al}", []>;
1007 def MOV16ao16 : Ii16 <0xA3, RawFrm, (outs offset16:$dst), (ins),
1008 "mov{w}\t{%ax, $dst|$dst, %ax}", []>, OpSize;
1009 def MOV32ao32 : Ii32 <0xA3, RawFrm, (outs offset32:$dst), (ins),
1010 "mov{l}\t{%eax, $dst|$dst, %eax}", []>;
1012 // Moves to and from segment registers
1013 def MOV16rs : I<0x8C, MRMDestReg, (outs GR16:$dst), (ins SEGMENT_REG:$src),
1014 "mov{w}\t{$src, $dst|$dst, $src}", []>;
1015 def MOV16ms : I<0x8C, MRMDestMem, (outs i16mem:$dst), (ins SEGMENT_REG:$src),
1016 "mov{w}\t{$src, $dst|$dst, $src}", []>;
1017 def MOV16sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR16:$src),
1018 "mov{w}\t{$src, $dst|$dst, $src}", []>;
1019 def MOV16sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i16mem:$src),
1020 "mov{w}\t{$src, $dst|$dst, $src}", []>;
1022 def MOV8rr_REV : I<0x8A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src),
1023 "mov{b}\t{$src, $dst|$dst, $src}", []>;
1024 def MOV16rr_REV : I<0x8B, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1025 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1026 def MOV32rr_REV : I<0x8B, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1027 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1029 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1030 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
1031 "mov{b}\t{$src, $dst|$dst, $src}",
1032 [(set GR8:$dst, (loadi8 addr:$src))]>;
1033 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1034 "mov{w}\t{$src, $dst|$dst, $src}",
1035 [(set GR16:$dst, (loadi16 addr:$src))]>, OpSize;
1036 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1037 "mov{l}\t{$src, $dst|$dst, $src}",
1038 [(set GR32:$dst, (loadi32 addr:$src))]>;
1041 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
1042 "mov{b}\t{$src, $dst|$dst, $src}",
1043 [(store GR8:$src, addr:$dst)]>;
1044 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1045 "mov{w}\t{$src, $dst|$dst, $src}",
1046 [(store GR16:$src, addr:$dst)]>, OpSize;
1047 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1048 "mov{l}\t{$src, $dst|$dst, $src}",
1049 [(store GR32:$src, addr:$dst)]>;
1051 /// Versions of MOV32rr, MOV32rm, and MOV32mr for i32mem_TC and GR32_TC.
1052 let neverHasSideEffects = 1 in
1053 def MOV32rr_TC : I<0x89, MRMDestReg, (outs GR32_TC:$dst), (ins GR32_TC:$src),
1054 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1057 canFoldAsLoad = 1, isReMaterializable = 1 in
1058 def MOV32rm_TC : I<0x8B, MRMSrcMem, (outs GR32_TC:$dst), (ins i32mem_TC:$src),
1059 "mov{l}\t{$src, $dst|$dst, $src}",
1063 def MOV32mr_TC : I<0x89, MRMDestMem, (outs), (ins i32mem_TC:$dst, GR32_TC:$src),
1064 "mov{l}\t{$src, $dst|$dst, $src}",
1067 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
1068 // that they can be used for copying and storing h registers, which can't be
1069 // encoded when a REX prefix is present.
1070 let neverHasSideEffects = 1 in
1071 def MOV8rr_NOREX : I<0x88, MRMDestReg,
1072 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
1073 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1075 def MOV8mr_NOREX : I<0x88, MRMDestMem,
1076 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
1077 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1079 canFoldAsLoad = 1, isReMaterializable = 1 in
1080 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
1081 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
1082 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1084 // Moves to and from debug registers
1085 def MOV32rd : I<0x21, MRMDestReg, (outs GR32:$dst), (ins DEBUG_REG:$src),
1086 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1087 def MOV32dr : I<0x23, MRMSrcReg, (outs DEBUG_REG:$dst), (ins GR32:$src),
1088 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1090 // Moves to and from control registers
1091 def MOV32rc : I<0x20, MRMDestReg, (outs GR32:$dst), (ins CONTROL_REG_32:$src),
1092 "mov{q}\t{$src, $dst|$dst, $src}", []>, TB;
1093 def MOV32cr : I<0x22, MRMSrcReg, (outs CONTROL_REG_32:$dst), (ins GR32:$src),
1094 "mov{q}\t{$src, $dst|$dst, $src}", []>, TB;
1096 //===----------------------------------------------------------------------===//
1097 // Fixed-Register Multiplication and Division Instructions...
1100 // Extra precision multiplication
1102 // AL is really implied by AX, by the registers in Defs must match the
1103 // SDNode results (i8, i32).
1104 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1105 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
1106 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1107 // This probably ought to be moved to a def : Pat<> if the
1108 // syntax can be accepted.
1109 [(set AL, (mul AL, GR8:$src)),
1110 (implicit EFLAGS)]>; // AL,AH = AL*GR8
1112 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
1113 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
1115 []>, OpSize; // AX,DX = AX*GR16
1117 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
1118 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
1120 []>; // EAX,EDX = EAX*GR32
1122 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1123 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
1125 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1126 // This probably ought to be moved to a def : Pat<> if the
1127 // syntax can be accepted.
1128 [(set AL, (mul AL, (loadi8 addr:$src))),
1129 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
1131 let mayLoad = 1, neverHasSideEffects = 1 in {
1132 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1133 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
1135 []>, OpSize; // AX,DX = AX*[mem16]
1137 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1138 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
1140 []>; // EAX,EDX = EAX*[mem32]
1143 let neverHasSideEffects = 1 in {
1144 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1145 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
1147 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1148 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
1149 OpSize; // AX,DX = AX*GR16
1150 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1151 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
1152 // EAX,EDX = EAX*GR32
1153 let mayLoad = 1 in {
1154 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1155 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
1156 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
1157 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1158 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
1159 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
1160 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1161 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
1162 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
1164 } // neverHasSideEffects
1166 // unsigned division/remainder
1167 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1168 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1169 "div{b}\t$src", []>;
1170 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1171 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1172 "div{w}\t$src", []>, OpSize;
1173 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1174 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1175 "div{l}\t$src", []>;
1176 let mayLoad = 1 in {
1177 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1178 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1179 "div{b}\t$src", []>;
1180 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1181 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1182 "div{w}\t$src", []>, OpSize;
1183 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1184 // EDX:EAX/[mem32] = EAX,EDX
1185 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src),
1186 "div{l}\t$src", []>;
1189 // Signed division/remainder.
1190 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1191 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1192 "idiv{b}\t$src", []>;
1193 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1194 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1195 "idiv{w}\t$src", []>, OpSize;
1196 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1197 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1198 "idiv{l}\t$src", []>;
1199 let mayLoad = 1, mayLoad = 1 in {
1200 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1201 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1202 "idiv{b}\t$src", []>;
1203 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1204 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1205 "idiv{w}\t$src", []>, OpSize;
1206 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1207 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src),
1208 // EDX:EAX/[mem32] = EAX,EDX
1209 "idiv{l}\t$src", []>;
1212 //===----------------------------------------------------------------------===//
1213 // Two address Instructions.
1215 let isTwoAddress = 1 in {
1217 // Conditional moves
1218 let Uses = [EFLAGS] in {
1220 let Predicates = [HasCMov] in {
1221 let isCommutable = 1 in {
1222 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
1223 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1224 "cmovb{w}\t{$src2, $dst|$dst, $src2}",
1225 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1226 X86_COND_B, EFLAGS))]>,
1228 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
1229 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1230 "cmovb{l}\t{$src2, $dst|$dst, $src2}",
1231 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1232 X86_COND_B, EFLAGS))]>,
1234 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
1235 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1236 "cmovae{w}\t{$src2, $dst|$dst, $src2}",
1237 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1238 X86_COND_AE, EFLAGS))]>,
1240 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
1241 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1242 "cmovae{l}\t{$src2, $dst|$dst, $src2}",
1243 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1244 X86_COND_AE, EFLAGS))]>,
1246 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
1247 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1248 "cmove{w}\t{$src2, $dst|$dst, $src2}",
1249 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1250 X86_COND_E, EFLAGS))]>,
1252 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
1253 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1254 "cmove{l}\t{$src2, $dst|$dst, $src2}",
1255 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1256 X86_COND_E, EFLAGS))]>,
1258 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
1259 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1260 "cmovne{w}\t{$src2, $dst|$dst, $src2}",
1261 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1262 X86_COND_NE, EFLAGS))]>,
1264 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
1265 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1266 "cmovne{l}\t{$src2, $dst|$dst, $src2}",
1267 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1268 X86_COND_NE, EFLAGS))]>,
1270 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
1271 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1272 "cmovbe{w}\t{$src2, $dst|$dst, $src2}",
1273 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1274 X86_COND_BE, EFLAGS))]>,
1276 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
1277 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1278 "cmovbe{l}\t{$src2, $dst|$dst, $src2}",
1279 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1280 X86_COND_BE, EFLAGS))]>,
1282 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
1283 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1284 "cmova{w}\t{$src2, $dst|$dst, $src2}",
1285 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1286 X86_COND_A, EFLAGS))]>,
1288 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
1289 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1290 "cmova{l}\t{$src2, $dst|$dst, $src2}",
1291 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1292 X86_COND_A, EFLAGS))]>,
1294 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
1295 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1296 "cmovl{w}\t{$src2, $dst|$dst, $src2}",
1297 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1298 X86_COND_L, EFLAGS))]>,
1300 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
1301 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1302 "cmovl{l}\t{$src2, $dst|$dst, $src2}",
1303 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1304 X86_COND_L, EFLAGS))]>,
1306 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
1307 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1308 "cmovge{w}\t{$src2, $dst|$dst, $src2}",
1309 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1310 X86_COND_GE, EFLAGS))]>,
1312 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
1313 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1314 "cmovge{l}\t{$src2, $dst|$dst, $src2}",
1315 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1316 X86_COND_GE, EFLAGS))]>,
1318 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
1319 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1320 "cmovle{w}\t{$src2, $dst|$dst, $src2}",
1321 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1322 X86_COND_LE, EFLAGS))]>,
1324 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
1325 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1326 "cmovle{l}\t{$src2, $dst|$dst, $src2}",
1327 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1328 X86_COND_LE, EFLAGS))]>,
1330 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
1331 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1332 "cmovg{w}\t{$src2, $dst|$dst, $src2}",
1333 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1334 X86_COND_G, EFLAGS))]>,
1336 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
1337 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1338 "cmovg{l}\t{$src2, $dst|$dst, $src2}",
1339 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1340 X86_COND_G, EFLAGS))]>,
1342 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
1343 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1344 "cmovs{w}\t{$src2, $dst|$dst, $src2}",
1345 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1346 X86_COND_S, EFLAGS))]>,
1348 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
1349 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1350 "cmovs{l}\t{$src2, $dst|$dst, $src2}",
1351 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1352 X86_COND_S, EFLAGS))]>,
1354 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
1355 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1356 "cmovns{w}\t{$src2, $dst|$dst, $src2}",
1357 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1358 X86_COND_NS, EFLAGS))]>,
1360 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1361 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1362 "cmovns{l}\t{$src2, $dst|$dst, $src2}",
1363 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1364 X86_COND_NS, EFLAGS))]>,
1366 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1367 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1368 "cmovp{w}\t{$src2, $dst|$dst, $src2}",
1369 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1370 X86_COND_P, EFLAGS))]>,
1372 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1373 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1374 "cmovp{l}\t{$src2, $dst|$dst, $src2}",
1375 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1376 X86_COND_P, EFLAGS))]>,
1378 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1379 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1380 "cmovnp{w}\t{$src2, $dst|$dst, $src2}",
1381 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1382 X86_COND_NP, EFLAGS))]>,
1384 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1385 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1386 "cmovnp{l}\t{$src2, $dst|$dst, $src2}",
1387 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1388 X86_COND_NP, EFLAGS))]>,
1390 def CMOVO16rr : I<0x40, MRMSrcReg, // if overflow, GR16 = GR16
1391 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1392 "cmovo{w}\t{$src2, $dst|$dst, $src2}",
1393 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1394 X86_COND_O, EFLAGS))]>,
1396 def CMOVO32rr : I<0x40, MRMSrcReg, // if overflow, GR32 = GR32
1397 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1398 "cmovo{l}\t{$src2, $dst|$dst, $src2}",
1399 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1400 X86_COND_O, EFLAGS))]>,
1402 def CMOVNO16rr : I<0x41, MRMSrcReg, // if !overflow, GR16 = GR16
1403 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1404 "cmovno{w}\t{$src2, $dst|$dst, $src2}",
1405 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1406 X86_COND_NO, EFLAGS))]>,
1408 def CMOVNO32rr : I<0x41, MRMSrcReg, // if !overflow, GR32 = GR32
1409 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1410 "cmovno{l}\t{$src2, $dst|$dst, $src2}",
1411 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1412 X86_COND_NO, EFLAGS))]>,
1414 } // isCommutable = 1
1416 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1417 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1418 "cmovb{w}\t{$src2, $dst|$dst, $src2}",
1419 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1420 X86_COND_B, EFLAGS))]>,
1422 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1423 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1424 "cmovb{l}\t{$src2, $dst|$dst, $src2}",
1425 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1426 X86_COND_B, EFLAGS))]>,
1428 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1429 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1430 "cmovae{w}\t{$src2, $dst|$dst, $src2}",
1431 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1432 X86_COND_AE, EFLAGS))]>,
1434 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1435 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1436 "cmovae{l}\t{$src2, $dst|$dst, $src2}",
1437 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1438 X86_COND_AE, EFLAGS))]>,
1440 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1441 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1442 "cmove{w}\t{$src2, $dst|$dst, $src2}",
1443 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1444 X86_COND_E, EFLAGS))]>,
1446 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1447 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1448 "cmove{l}\t{$src2, $dst|$dst, $src2}",
1449 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1450 X86_COND_E, EFLAGS))]>,
1452 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1453 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1454 "cmovne{w}\t{$src2, $dst|$dst, $src2}",
1455 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1456 X86_COND_NE, EFLAGS))]>,
1458 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1459 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1460 "cmovne{l}\t{$src2, $dst|$dst, $src2}",
1461 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1462 X86_COND_NE, EFLAGS))]>,
1464 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1465 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1466 "cmovbe{w}\t{$src2, $dst|$dst, $src2}",
1467 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1468 X86_COND_BE, EFLAGS))]>,
1470 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1471 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1472 "cmovbe{l}\t{$src2, $dst|$dst, $src2}",
1473 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1474 X86_COND_BE, EFLAGS))]>,
1476 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1477 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1478 "cmova{w}\t{$src2, $dst|$dst, $src2}",
1479 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1480 X86_COND_A, EFLAGS))]>,
1482 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1483 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1484 "cmova{l}\t{$src2, $dst|$dst, $src2}",
1485 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1486 X86_COND_A, EFLAGS))]>,
1488 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1489 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1490 "cmovl{w}\t{$src2, $dst|$dst, $src2}",
1491 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1492 X86_COND_L, EFLAGS))]>,
1494 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1495 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1496 "cmovl{l}\t{$src2, $dst|$dst, $src2}",
1497 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1498 X86_COND_L, EFLAGS))]>,
1500 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1501 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1502 "cmovge{w}\t{$src2, $dst|$dst, $src2}",
1503 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1504 X86_COND_GE, EFLAGS))]>,
1506 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1507 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1508 "cmovge{l}\t{$src2, $dst|$dst, $src2}",
1509 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1510 X86_COND_GE, EFLAGS))]>,
1512 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1513 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1514 "cmovle{w}\t{$src2, $dst|$dst, $src2}",
1515 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1516 X86_COND_LE, EFLAGS))]>,
1518 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1519 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1520 "cmovle{l}\t{$src2, $dst|$dst, $src2}",
1521 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1522 X86_COND_LE, EFLAGS))]>,
1524 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1525 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1526 "cmovg{w}\t{$src2, $dst|$dst, $src2}",
1527 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1528 X86_COND_G, EFLAGS))]>,
1530 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1531 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1532 "cmovg{l}\t{$src2, $dst|$dst, $src2}",
1533 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1534 X86_COND_G, EFLAGS))]>,
1536 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1537 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1538 "cmovs{w}\t{$src2, $dst|$dst, $src2}",
1539 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1540 X86_COND_S, EFLAGS))]>,
1542 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1543 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1544 "cmovs{l}\t{$src2, $dst|$dst, $src2}",
1545 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1546 X86_COND_S, EFLAGS))]>,
1548 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1549 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1550 "cmovns{w}\t{$src2, $dst|$dst, $src2}",
1551 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1552 X86_COND_NS, EFLAGS))]>,
1554 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1555 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1556 "cmovns{l}\t{$src2, $dst|$dst, $src2}",
1557 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1558 X86_COND_NS, EFLAGS))]>,
1560 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1561 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1562 "cmovp{w}\t{$src2, $dst|$dst, $src2}",
1563 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1564 X86_COND_P, EFLAGS))]>,
1566 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1567 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1568 "cmovp{l}\t{$src2, $dst|$dst, $src2}",
1569 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1570 X86_COND_P, EFLAGS))]>,
1572 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1573 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1574 "cmovnp{w}\t{$src2, $dst|$dst, $src2}",
1575 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1576 X86_COND_NP, EFLAGS))]>,
1578 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1579 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1580 "cmovnp{l}\t{$src2, $dst|$dst, $src2}",
1581 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1582 X86_COND_NP, EFLAGS))]>,
1584 def CMOVO16rm : I<0x40, MRMSrcMem, // if overflow, GR16 = [mem16]
1585 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1586 "cmovo{w}\t{$src2, $dst|$dst, $src2}",
1587 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1588 X86_COND_O, EFLAGS))]>,
1590 def CMOVO32rm : I<0x40, MRMSrcMem, // if overflow, GR32 = [mem32]
1591 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1592 "cmovo{l}\t{$src2, $dst|$dst, $src2}",
1593 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1594 X86_COND_O, EFLAGS))]>,
1596 def CMOVNO16rm : I<0x41, MRMSrcMem, // if !overflow, GR16 = [mem16]
1597 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1598 "cmovno{w}\t{$src2, $dst|$dst, $src2}",
1599 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1600 X86_COND_NO, EFLAGS))]>,
1602 def CMOVNO32rm : I<0x41, MRMSrcMem, // if !overflow, GR32 = [mem32]
1603 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1604 "cmovno{l}\t{$src2, $dst|$dst, $src2}",
1605 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1606 X86_COND_NO, EFLAGS))]>,
1608 } // Predicates = [HasCMov]
1610 // X86 doesn't have 8-bit conditional moves. Use a customInserter to
1611 // emit control flow. An alternative to this is to mark i8 SELECT as Promote,
1612 // however that requires promoting the operands, and can induce additional
1613 // i8 register pressure. Note that CMOV_GR8 is conservatively considered to
1614 // clobber EFLAGS, because if one of the operands is zero, the expansion
1615 // could involve an xor.
1616 let usesCustomInserter = 1, isTwoAddress = 0, Defs = [EFLAGS] in {
1617 def CMOV_GR8 : I<0, Pseudo,
1618 (outs GR8:$dst), (ins GR8:$src1, GR8:$src2, i8imm:$cond),
1619 "#CMOV_GR8 PSEUDO!",
1620 [(set GR8:$dst, (X86cmov GR8:$src1, GR8:$src2,
1621 imm:$cond, EFLAGS))]>;
1623 let Predicates = [NoCMov] in {
1624 def CMOV_GR32 : I<0, Pseudo,
1625 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$cond),
1626 "#CMOV_GR32* PSEUDO!",
1628 (X86cmov GR32:$src1, GR32:$src2, imm:$cond, EFLAGS))]>;
1629 def CMOV_GR16 : I<0, Pseudo,
1630 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$cond),
1631 "#CMOV_GR16* PSEUDO!",
1633 (X86cmov GR16:$src1, GR16:$src2, imm:$cond, EFLAGS))]>;
1634 def CMOV_RFP32 : I<0, Pseudo,
1635 (outs RFP32:$dst), (ins RFP32:$src1, RFP32:$src2, i8imm:$cond),
1636 "#CMOV_RFP32 PSEUDO!",
1637 [(set RFP32:$dst, (X86cmov RFP32:$src1, RFP32:$src2, imm:$cond,
1639 def CMOV_RFP64 : I<0, Pseudo,
1640 (outs RFP64:$dst), (ins RFP64:$src1, RFP64:$src2, i8imm:$cond),
1641 "#CMOV_RFP64 PSEUDO!",
1642 [(set RFP64:$dst, (X86cmov RFP64:$src1, RFP64:$src2, imm:$cond,
1644 def CMOV_RFP80 : I<0, Pseudo,
1645 (outs RFP80:$dst), (ins RFP80:$src1, RFP80:$src2, i8imm:$cond),
1646 "#CMOV_RFP80 PSEUDO!",
1647 [(set RFP80:$dst, (X86cmov RFP80:$src1, RFP80:$src2, imm:$cond,
1649 } // Predicates = [NoCMov]
1650 } // UsesCustomInserter = 1, isTwoAddress = 0, Defs = [EFLAGS]
1651 } // Uses = [EFLAGS]
1654 // unary instructions
1655 let CodeSize = 2 in {
1656 let Defs = [EFLAGS] in {
1657 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src), "neg{b}\t$dst",
1658 [(set GR8:$dst, (ineg GR8:$src)),
1659 (implicit EFLAGS)]>;
1660 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src), "neg{w}\t$dst",
1661 [(set GR16:$dst, (ineg GR16:$src)),
1662 (implicit EFLAGS)]>, OpSize;
1663 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src), "neg{l}\t$dst",
1664 [(set GR32:$dst, (ineg GR32:$src)),
1665 (implicit EFLAGS)]>;
1666 let isTwoAddress = 0 in {
1667 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), "neg{b}\t$dst",
1668 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
1669 (implicit EFLAGS)]>;
1670 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), "neg{w}\t$dst",
1671 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
1672 (implicit EFLAGS)]>, OpSize;
1673 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), "neg{l}\t$dst",
1674 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
1675 (implicit EFLAGS)]>;
1677 } // Defs = [EFLAGS]
1679 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
1680 let AddedComplexity = 15 in {
1681 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src), "not{b}\t$dst",
1682 [(set GR8:$dst, (not GR8:$src))]>;
1683 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src), "not{w}\t$dst",
1684 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1685 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src), "not{l}\t$dst",
1686 [(set GR32:$dst, (not GR32:$src))]>;
1688 let isTwoAddress = 0 in {
1689 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), "not{b}\t$dst",
1690 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1691 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), "not{w}\t$dst",
1692 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1693 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), "not{l}\t$dst",
1694 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1698 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1699 let Defs = [EFLAGS] in {
1701 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
1702 [(set GR8:$dst, EFLAGS, (X86inc_flag GR8:$src))]>;
1704 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1705 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src),
1707 [(set GR16:$dst, EFLAGS, (X86inc_flag GR16:$src))]>,
1708 OpSize, Requires<[In32BitMode]>;
1709 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src),
1711 [(set GR32:$dst, EFLAGS, (X86inc_flag GR32:$src))]>,
1712 Requires<[In32BitMode]>;
1714 let isTwoAddress = 0, CodeSize = 2 in {
1715 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1716 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
1717 (implicit EFLAGS)]>;
1718 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1719 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
1720 (implicit EFLAGS)]>,
1721 OpSize, Requires<[In32BitMode]>;
1722 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1723 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
1724 (implicit EFLAGS)]>,
1725 Requires<[In32BitMode]>;
1729 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src), "dec{b}\t$dst",
1730 [(set GR8:$dst, EFLAGS, (X86dec_flag GR8:$src))]>;
1731 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1732 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src),
1734 [(set GR16:$dst, EFLAGS, (X86dec_flag GR16:$src))]>,
1735 OpSize, Requires<[In32BitMode]>;
1736 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src),
1738 [(set GR32:$dst, EFLAGS, (X86dec_flag GR32:$src))]>,
1739 Requires<[In32BitMode]>;
1742 let isTwoAddress = 0, CodeSize = 2 in {
1743 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1744 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
1745 (implicit EFLAGS)]>;
1746 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1747 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
1748 (implicit EFLAGS)]>,
1749 OpSize, Requires<[In32BitMode]>;
1750 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1751 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
1752 (implicit EFLAGS)]>,
1753 Requires<[In32BitMode]>;
1755 } // Defs = [EFLAGS]
1757 // Logical operators...
1758 let Defs = [EFLAGS] in {
1759 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1760 def AND8rr : I<0x20, MRMDestReg,
1761 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1762 "and{b}\t{$src2, $dst|$dst, $src2}",
1763 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1, GR8:$src2))]>;
1764 def AND16rr : I<0x21, MRMDestReg,
1765 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1766 "and{w}\t{$src2, $dst|$dst, $src2}",
1767 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1768 GR16:$src2))]>, OpSize;
1769 def AND32rr : I<0x21, MRMDestReg,
1770 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1771 "and{l}\t{$src2, $dst|$dst, $src2}",
1772 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1776 // AND instructions with the destination register in REG and the source register
1777 // in R/M. Included for the disassembler.
1778 def AND8rr_REV : I<0x22, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1779 "and{b}\t{$src2, $dst|$dst, $src2}", []>;
1780 def AND16rr_REV : I<0x23, MRMSrcReg, (outs GR16:$dst),
1781 (ins GR16:$src1, GR16:$src2),
1782 "and{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1783 def AND32rr_REV : I<0x23, MRMSrcReg, (outs GR32:$dst),
1784 (ins GR32:$src1, GR32:$src2),
1785 "and{l}\t{$src2, $dst|$dst, $src2}", []>;
1787 def AND8rm : I<0x22, MRMSrcMem,
1788 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1789 "and{b}\t{$src2, $dst|$dst, $src2}",
1790 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1,
1791 (loadi8 addr:$src2)))]>;
1792 def AND16rm : I<0x23, MRMSrcMem,
1793 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1794 "and{w}\t{$src2, $dst|$dst, $src2}",
1795 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1796 (loadi16 addr:$src2)))]>,
1798 def AND32rm : I<0x23, MRMSrcMem,
1799 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1800 "and{l}\t{$src2, $dst|$dst, $src2}",
1801 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1802 (loadi32 addr:$src2)))]>;
1804 def AND8ri : Ii8<0x80, MRM4r,
1805 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1806 "and{b}\t{$src2, $dst|$dst, $src2}",
1807 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1,
1809 def AND16ri : Ii16<0x81, MRM4r,
1810 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1811 "and{w}\t{$src2, $dst|$dst, $src2}",
1812 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1813 imm:$src2))]>, OpSize;
1814 def AND32ri : Ii32<0x81, MRM4r,
1815 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1816 "and{l}\t{$src2, $dst|$dst, $src2}",
1817 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1819 def AND16ri8 : Ii8<0x83, MRM4r,
1820 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1821 "and{w}\t{$src2, $dst|$dst, $src2}",
1822 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1823 i16immSExt8:$src2))]>,
1825 def AND32ri8 : Ii8<0x83, MRM4r,
1826 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1827 "and{l}\t{$src2, $dst|$dst, $src2}",
1828 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1829 i32immSExt8:$src2))]>;
1831 let isTwoAddress = 0 in {
1832 def AND8mr : I<0x20, MRMDestMem,
1833 (outs), (ins i8mem :$dst, GR8 :$src),
1834 "and{b}\t{$src, $dst|$dst, $src}",
1835 [(store (and (load addr:$dst), GR8:$src), addr:$dst),
1836 (implicit EFLAGS)]>;
1837 def AND16mr : I<0x21, MRMDestMem,
1838 (outs), (ins i16mem:$dst, GR16:$src),
1839 "and{w}\t{$src, $dst|$dst, $src}",
1840 [(store (and (load addr:$dst), GR16:$src), addr:$dst),
1841 (implicit EFLAGS)]>,
1843 def AND32mr : I<0x21, MRMDestMem,
1844 (outs), (ins i32mem:$dst, GR32:$src),
1845 "and{l}\t{$src, $dst|$dst, $src}",
1846 [(store (and (load addr:$dst), GR32:$src), addr:$dst),
1847 (implicit EFLAGS)]>;
1848 def AND8mi : Ii8<0x80, MRM4m,
1849 (outs), (ins i8mem :$dst, i8imm :$src),
1850 "and{b}\t{$src, $dst|$dst, $src}",
1851 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
1852 (implicit EFLAGS)]>;
1853 def AND16mi : Ii16<0x81, MRM4m,
1854 (outs), (ins i16mem:$dst, i16imm:$src),
1855 "and{w}\t{$src, $dst|$dst, $src}",
1856 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
1857 (implicit EFLAGS)]>,
1859 def AND32mi : Ii32<0x81, MRM4m,
1860 (outs), (ins i32mem:$dst, i32imm:$src),
1861 "and{l}\t{$src, $dst|$dst, $src}",
1862 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
1863 (implicit EFLAGS)]>;
1864 def AND16mi8 : Ii8<0x83, MRM4m,
1865 (outs), (ins i16mem:$dst, i16i8imm :$src),
1866 "and{w}\t{$src, $dst|$dst, $src}",
1867 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
1868 (implicit EFLAGS)]>,
1870 def AND32mi8 : Ii8<0x83, MRM4m,
1871 (outs), (ins i32mem:$dst, i32i8imm :$src),
1872 "and{l}\t{$src, $dst|$dst, $src}",
1873 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
1874 (implicit EFLAGS)]>;
1876 def AND8i8 : Ii8<0x24, RawFrm, (outs), (ins i8imm:$src),
1877 "and{b}\t{$src, %al|%al, $src}", []>;
1878 def AND16i16 : Ii16<0x25, RawFrm, (outs), (ins i16imm:$src),
1879 "and{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1880 def AND32i32 : Ii32<0x25, RawFrm, (outs), (ins i32imm:$src),
1881 "and{l}\t{$src, %eax|%eax, $src}", []>;
1886 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1887 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst),
1888 (ins GR8 :$src1, GR8 :$src2),
1889 "or{b}\t{$src2, $dst|$dst, $src2}",
1890 [(set GR8:$dst, EFLAGS, (X86or_flag GR8:$src1, GR8:$src2))]>;
1891 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst),
1892 (ins GR16:$src1, GR16:$src2),
1893 "or{w}\t{$src2, $dst|$dst, $src2}",
1894 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,GR16:$src2))]>,
1896 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst),
1897 (ins GR32:$src1, GR32:$src2),
1898 "or{l}\t{$src2, $dst|$dst, $src2}",
1899 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,GR32:$src2))]>;
1902 // OR instructions with the destination register in REG and the source register
1903 // in R/M. Included for the disassembler.
1904 def OR8rr_REV : I<0x0A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1905 "or{b}\t{$src2, $dst|$dst, $src2}", []>;
1906 def OR16rr_REV : I<0x0B, MRMSrcReg, (outs GR16:$dst),
1907 (ins GR16:$src1, GR16:$src2),
1908 "or{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1909 def OR32rr_REV : I<0x0B, MRMSrcReg, (outs GR32:$dst),
1910 (ins GR32:$src1, GR32:$src2),
1911 "or{l}\t{$src2, $dst|$dst, $src2}", []>;
1913 def OR8rm : I<0x0A, MRMSrcMem, (outs GR8 :$dst),
1914 (ins GR8 :$src1, i8mem :$src2),
1915 "or{b}\t{$src2, $dst|$dst, $src2}",
1916 [(set GR8:$dst, EFLAGS, (X86or_flag GR8:$src1,
1917 (load addr:$src2)))]>;
1918 def OR16rm : I<0x0B, MRMSrcMem, (outs GR16:$dst),
1919 (ins GR16:$src1, i16mem:$src2),
1920 "or{w}\t{$src2, $dst|$dst, $src2}",
1921 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
1922 (load addr:$src2)))]>,
1924 def OR32rm : I<0x0B, MRMSrcMem, (outs GR32:$dst),
1925 (ins GR32:$src1, i32mem:$src2),
1926 "or{l}\t{$src2, $dst|$dst, $src2}",
1927 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
1928 (load addr:$src2)))]>;
1930 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst),
1931 (ins GR8 :$src1, i8imm:$src2),
1932 "or{b}\t{$src2, $dst|$dst, $src2}",
1933 [(set GR8:$dst,EFLAGS, (X86or_flag GR8:$src1, imm:$src2))]>;
1934 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst),
1935 (ins GR16:$src1, i16imm:$src2),
1936 "or{w}\t{$src2, $dst|$dst, $src2}",
1937 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
1938 imm:$src2))]>, OpSize;
1939 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst),
1940 (ins GR32:$src1, i32imm:$src2),
1941 "or{l}\t{$src2, $dst|$dst, $src2}",
1942 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
1945 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst),
1946 (ins GR16:$src1, i16i8imm:$src2),
1947 "or{w}\t{$src2, $dst|$dst, $src2}",
1948 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
1949 i16immSExt8:$src2))]>, OpSize;
1950 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst),
1951 (ins GR32:$src1, i32i8imm:$src2),
1952 "or{l}\t{$src2, $dst|$dst, $src2}",
1953 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
1954 i32immSExt8:$src2))]>;
1955 let isTwoAddress = 0 in {
1956 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1957 "or{b}\t{$src, $dst|$dst, $src}",
1958 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
1959 (implicit EFLAGS)]>;
1960 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1961 "or{w}\t{$src, $dst|$dst, $src}",
1962 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
1963 (implicit EFLAGS)]>, OpSize;
1964 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1965 "or{l}\t{$src, $dst|$dst, $src}",
1966 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
1967 (implicit EFLAGS)]>;
1968 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1969 "or{b}\t{$src, $dst|$dst, $src}",
1970 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
1971 (implicit EFLAGS)]>;
1972 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
1973 "or{w}\t{$src, $dst|$dst, $src}",
1974 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
1975 (implicit EFLAGS)]>,
1977 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
1978 "or{l}\t{$src, $dst|$dst, $src}",
1979 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
1980 (implicit EFLAGS)]>;
1981 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
1982 "or{w}\t{$src, $dst|$dst, $src}",
1983 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
1984 (implicit EFLAGS)]>,
1986 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
1987 "or{l}\t{$src, $dst|$dst, $src}",
1988 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
1989 (implicit EFLAGS)]>;
1991 def OR8i8 : Ii8 <0x0C, RawFrm, (outs), (ins i8imm:$src),
1992 "or{b}\t{$src, %al|%al, $src}", []>;
1993 def OR16i16 : Ii16 <0x0D, RawFrm, (outs), (ins i16imm:$src),
1994 "or{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1995 def OR32i32 : Ii32 <0x0D, RawFrm, (outs), (ins i32imm:$src),
1996 "or{l}\t{$src, %eax|%eax, $src}", []>;
1997 } // isTwoAddress = 0
2000 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
2001 def XOR8rr : I<0x30, MRMDestReg,
2002 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
2003 "xor{b}\t{$src2, $dst|$dst, $src2}",
2004 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1,
2006 def XOR16rr : I<0x31, MRMDestReg,
2007 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2008 "xor{w}\t{$src2, $dst|$dst, $src2}",
2009 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2010 GR16:$src2))]>, OpSize;
2011 def XOR32rr : I<0x31, MRMDestReg,
2012 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2013 "xor{l}\t{$src2, $dst|$dst, $src2}",
2014 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2016 } // isCommutable = 1
2018 // XOR instructions with the destination register in REG and the source register
2019 // in R/M. Included for the disassembler.
2020 def XOR8rr_REV : I<0x32, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2021 "xor{b}\t{$src2, $dst|$dst, $src2}", []>;
2022 def XOR16rr_REV : I<0x33, MRMSrcReg, (outs GR16:$dst),
2023 (ins GR16:$src1, GR16:$src2),
2024 "xor{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2025 def XOR32rr_REV : I<0x33, MRMSrcReg, (outs GR32:$dst),
2026 (ins GR32:$src1, GR32:$src2),
2027 "xor{l}\t{$src2, $dst|$dst, $src2}", []>;
2029 def XOR8rm : I<0x32, MRMSrcMem,
2030 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
2031 "xor{b}\t{$src2, $dst|$dst, $src2}",
2032 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1,
2033 (load addr:$src2)))]>;
2034 def XOR16rm : I<0x33, MRMSrcMem,
2035 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
2036 "xor{w}\t{$src2, $dst|$dst, $src2}",
2037 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2038 (load addr:$src2)))]>,
2040 def XOR32rm : I<0x33, MRMSrcMem,
2041 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2042 "xor{l}\t{$src2, $dst|$dst, $src2}",
2043 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2044 (load addr:$src2)))]>;
2046 def XOR8ri : Ii8<0x80, MRM6r,
2047 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2048 "xor{b}\t{$src2, $dst|$dst, $src2}",
2049 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1, imm:$src2))]>;
2050 def XOR16ri : Ii16<0x81, MRM6r,
2051 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2052 "xor{w}\t{$src2, $dst|$dst, $src2}",
2053 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2054 imm:$src2))]>, OpSize;
2055 def XOR32ri : Ii32<0x81, MRM6r,
2056 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2057 "xor{l}\t{$src2, $dst|$dst, $src2}",
2058 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2060 def XOR16ri8 : Ii8<0x83, MRM6r,
2061 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2062 "xor{w}\t{$src2, $dst|$dst, $src2}",
2063 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2064 i16immSExt8:$src2))]>,
2066 def XOR32ri8 : Ii8<0x83, MRM6r,
2067 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2068 "xor{l}\t{$src2, $dst|$dst, $src2}",
2069 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2070 i32immSExt8:$src2))]>;
2072 let isTwoAddress = 0 in {
2073 def XOR8mr : I<0x30, MRMDestMem,
2074 (outs), (ins i8mem :$dst, GR8 :$src),
2075 "xor{b}\t{$src, $dst|$dst, $src}",
2076 [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
2077 (implicit EFLAGS)]>;
2078 def XOR16mr : I<0x31, MRMDestMem,
2079 (outs), (ins i16mem:$dst, GR16:$src),
2080 "xor{w}\t{$src, $dst|$dst, $src}",
2081 [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
2082 (implicit EFLAGS)]>,
2084 def XOR32mr : I<0x31, MRMDestMem,
2085 (outs), (ins i32mem:$dst, GR32:$src),
2086 "xor{l}\t{$src, $dst|$dst, $src}",
2087 [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
2088 (implicit EFLAGS)]>;
2089 def XOR8mi : Ii8<0x80, MRM6m,
2090 (outs), (ins i8mem :$dst, i8imm :$src),
2091 "xor{b}\t{$src, $dst|$dst, $src}",
2092 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
2093 (implicit EFLAGS)]>;
2094 def XOR16mi : Ii16<0x81, MRM6m,
2095 (outs), (ins i16mem:$dst, i16imm:$src),
2096 "xor{w}\t{$src, $dst|$dst, $src}",
2097 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
2098 (implicit EFLAGS)]>,
2100 def XOR32mi : Ii32<0x81, MRM6m,
2101 (outs), (ins i32mem:$dst, i32imm:$src),
2102 "xor{l}\t{$src, $dst|$dst, $src}",
2103 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
2104 (implicit EFLAGS)]>;
2105 def XOR16mi8 : Ii8<0x83, MRM6m,
2106 (outs), (ins i16mem:$dst, i16i8imm :$src),
2107 "xor{w}\t{$src, $dst|$dst, $src}",
2108 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
2109 (implicit EFLAGS)]>,
2111 def XOR32mi8 : Ii8<0x83, MRM6m,
2112 (outs), (ins i32mem:$dst, i32i8imm :$src),
2113 "xor{l}\t{$src, $dst|$dst, $src}",
2114 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
2115 (implicit EFLAGS)]>;
2117 def XOR8i8 : Ii8 <0x34, RawFrm, (outs), (ins i8imm:$src),
2118 "xor{b}\t{$src, %al|%al, $src}", []>;
2119 def XOR16i16 : Ii16<0x35, RawFrm, (outs), (ins i16imm:$src),
2120 "xor{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2121 def XOR32i32 : Ii32<0x35, RawFrm, (outs), (ins i32imm:$src),
2122 "xor{l}\t{$src, %eax|%eax, $src}", []>;
2123 } // isTwoAddress = 0
2124 } // Defs = [EFLAGS]
2126 // Shift instructions
2127 let Defs = [EFLAGS] in {
2128 let Uses = [CL] in {
2129 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src),
2130 "shl{b}\t{%cl, $dst|$dst, CL}",
2131 [(set GR8:$dst, (shl GR8:$src, CL))]>;
2132 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src),
2133 "shl{w}\t{%cl, $dst|$dst, CL}",
2134 [(set GR16:$dst, (shl GR16:$src, CL))]>, OpSize;
2135 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src),
2136 "shl{l}\t{%cl, $dst|$dst, CL}",
2137 [(set GR32:$dst, (shl GR32:$src, CL))]>;
2140 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2141 "shl{b}\t{$src2, $dst|$dst, $src2}",
2142 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
2143 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2144 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2145 "shl{w}\t{$src2, $dst|$dst, $src2}",
2146 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2147 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2148 "shl{l}\t{$src2, $dst|$dst, $src2}",
2149 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
2151 // NOTE: We don't include patterns for shifts of a register by one, because
2152 // 'add reg,reg' is cheaper.
2154 def SHL8r1 : I<0xD0, MRM4r, (outs GR8:$dst), (ins GR8:$src1),
2155 "shl{b}\t$dst", []>;
2156 def SHL16r1 : I<0xD1, MRM4r, (outs GR16:$dst), (ins GR16:$src1),
2157 "shl{w}\t$dst", []>, OpSize;
2158 def SHL32r1 : I<0xD1, MRM4r, (outs GR32:$dst), (ins GR32:$src1),
2159 "shl{l}\t$dst", []>;
2161 } // isConvertibleToThreeAddress = 1
2163 let isTwoAddress = 0 in {
2164 let Uses = [CL] in {
2165 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
2166 "shl{b}\t{%cl, $dst|$dst, CL}",
2167 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
2168 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
2169 "shl{w}\t{%cl, $dst|$dst, CL}",
2170 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2171 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
2172 "shl{l}\t{%cl, $dst|$dst, CL}",
2173 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
2175 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
2176 "shl{b}\t{$src, $dst|$dst, $src}",
2177 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2178 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
2179 "shl{w}\t{$src, $dst|$dst, $src}",
2180 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2182 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
2183 "shl{l}\t{$src, $dst|$dst, $src}",
2184 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2187 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
2189 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2190 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
2192 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2194 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
2196 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2199 let Uses = [CL] in {
2200 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src),
2201 "shr{b}\t{%cl, $dst|$dst, CL}",
2202 [(set GR8:$dst, (srl GR8:$src, CL))]>;
2203 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src),
2204 "shr{w}\t{%cl, $dst|$dst, CL}",
2205 [(set GR16:$dst, (srl GR16:$src, CL))]>, OpSize;
2206 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src),
2207 "shr{l}\t{%cl, $dst|$dst, CL}",
2208 [(set GR32:$dst, (srl GR32:$src, CL))]>;
2211 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2212 "shr{b}\t{$src2, $dst|$dst, $src2}",
2213 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
2214 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2215 "shr{w}\t{$src2, $dst|$dst, $src2}",
2216 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2217 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2218 "shr{l}\t{$src2, $dst|$dst, $src2}",
2219 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
2222 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
2224 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
2225 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
2227 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
2228 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
2230 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
2232 let isTwoAddress = 0 in {
2233 let Uses = [CL] in {
2234 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
2235 "shr{b}\t{%cl, $dst|$dst, CL}",
2236 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
2237 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
2238 "shr{w}\t{%cl, $dst|$dst, CL}",
2239 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
2241 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
2242 "shr{l}\t{%cl, $dst|$dst, CL}",
2243 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
2245 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
2246 "shr{b}\t{$src, $dst|$dst, $src}",
2247 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2248 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
2249 "shr{w}\t{$src, $dst|$dst, $src}",
2250 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2252 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
2253 "shr{l}\t{$src, $dst|$dst, $src}",
2254 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2257 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
2259 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2260 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
2262 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
2263 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
2265 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2268 let Uses = [CL] in {
2269 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src),
2270 "sar{b}\t{%cl, $dst|$dst, CL}",
2271 [(set GR8:$dst, (sra GR8:$src, CL))]>;
2272 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src),
2273 "sar{w}\t{%cl, $dst|$dst, CL}",
2274 [(set GR16:$dst, (sra GR16:$src, CL))]>, OpSize;
2275 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src),
2276 "sar{l}\t{%cl, $dst|$dst, CL}",
2277 [(set GR32:$dst, (sra GR32:$src, CL))]>;
2280 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2281 "sar{b}\t{$src2, $dst|$dst, $src2}",
2282 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
2283 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2284 "sar{w}\t{$src2, $dst|$dst, $src2}",
2285 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
2287 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2288 "sar{l}\t{$src2, $dst|$dst, $src2}",
2289 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
2292 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
2294 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
2295 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
2297 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
2298 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
2300 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
2302 let isTwoAddress = 0 in {
2303 let Uses = [CL] in {
2304 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
2305 "sar{b}\t{%cl, $dst|$dst, CL}",
2306 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
2307 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
2308 "sar{w}\t{%cl, $dst|$dst, CL}",
2309 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2310 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
2311 "sar{l}\t{%cl, $dst|$dst, CL}",
2312 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
2314 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
2315 "sar{b}\t{$src, $dst|$dst, $src}",
2316 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2317 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
2318 "sar{w}\t{$src, $dst|$dst, $src}",
2319 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2321 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
2322 "sar{l}\t{$src, $dst|$dst, $src}",
2323 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2326 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
2328 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2329 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
2331 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2333 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
2335 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2338 // Rotate instructions
2340 def RCL8r1 : I<0xD0, MRM2r, (outs GR8:$dst), (ins GR8:$src),
2341 "rcl{b}\t{1, $dst|$dst, 1}", []>;
2342 let Uses = [CL] in {
2343 def RCL8rCL : I<0xD2, MRM2r, (outs GR8:$dst), (ins GR8:$src),
2344 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
2346 def RCL8ri : Ii8<0xC0, MRM2r, (outs GR8:$dst), (ins GR8:$src, i8imm:$cnt),
2347 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2349 def RCL16r1 : I<0xD1, MRM2r, (outs GR16:$dst), (ins GR16:$src),
2350 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2351 let Uses = [CL] in {
2352 def RCL16rCL : I<0xD3, MRM2r, (outs GR16:$dst), (ins GR16:$src),
2353 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2355 def RCL16ri : Ii8<0xC1, MRM2r, (outs GR16:$dst), (ins GR16:$src, i8imm:$cnt),
2356 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2358 def RCL32r1 : I<0xD1, MRM2r, (outs GR32:$dst), (ins GR32:$src),
2359 "rcl{l}\t{1, $dst|$dst, 1}", []>;
2360 let Uses = [CL] in {
2361 def RCL32rCL : I<0xD3, MRM2r, (outs GR32:$dst), (ins GR32:$src),
2362 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
2364 def RCL32ri : Ii8<0xC1, MRM2r, (outs GR32:$dst), (ins GR32:$src, i8imm:$cnt),
2365 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2367 def RCR8r1 : I<0xD0, MRM3r, (outs GR8:$dst), (ins GR8:$src),
2368 "rcr{b}\t{1, $dst|$dst, 1}", []>;
2369 let Uses = [CL] in {
2370 def RCR8rCL : I<0xD2, MRM3r, (outs GR8:$dst), (ins GR8:$src),
2371 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
2373 def RCR8ri : Ii8<0xC0, MRM3r, (outs GR8:$dst), (ins GR8:$src, i8imm:$cnt),
2374 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2376 def RCR16r1 : I<0xD1, MRM3r, (outs GR16:$dst), (ins GR16:$src),
2377 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2378 let Uses = [CL] in {
2379 def RCR16rCL : I<0xD3, MRM3r, (outs GR16:$dst), (ins GR16:$src),
2380 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2382 def RCR16ri : Ii8<0xC1, MRM3r, (outs GR16:$dst), (ins GR16:$src, i8imm:$cnt),
2383 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2385 def RCR32r1 : I<0xD1, MRM3r, (outs GR32:$dst), (ins GR32:$src),
2386 "rcr{l}\t{1, $dst|$dst, 1}", []>;
2387 let Uses = [CL] in {
2388 def RCR32rCL : I<0xD3, MRM3r, (outs GR32:$dst), (ins GR32:$src),
2389 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
2391 def RCR32ri : Ii8<0xC1, MRM3r, (outs GR32:$dst), (ins GR32:$src, i8imm:$cnt),
2392 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2394 let isTwoAddress = 0 in {
2395 def RCL8m1 : I<0xD0, MRM2m, (outs), (ins i8mem:$dst),
2396 "rcl{b}\t{1, $dst|$dst, 1}", []>;
2397 def RCL8mi : Ii8<0xC0, MRM2m, (outs), (ins i8mem:$dst, i8imm:$cnt),
2398 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2399 def RCL16m1 : I<0xD1, MRM2m, (outs), (ins i16mem:$dst),
2400 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2401 def RCL16mi : Ii8<0xC1, MRM2m, (outs), (ins i16mem:$dst, i8imm:$cnt),
2402 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2403 def RCL32m1 : I<0xD1, MRM2m, (outs), (ins i32mem:$dst),
2404 "rcl{l}\t{1, $dst|$dst, 1}", []>;
2405 def RCL32mi : Ii8<0xC1, MRM2m, (outs), (ins i32mem:$dst, i8imm:$cnt),
2406 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2407 def RCR8m1 : I<0xD0, MRM3m, (outs), (ins i8mem:$dst),
2408 "rcr{b}\t{1, $dst|$dst, 1}", []>;
2409 def RCR8mi : Ii8<0xC0, MRM3m, (outs), (ins i8mem:$dst, i8imm:$cnt),
2410 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2411 def RCR16m1 : I<0xD1, MRM3m, (outs), (ins i16mem:$dst),
2412 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2413 def RCR16mi : Ii8<0xC1, MRM3m, (outs), (ins i16mem:$dst, i8imm:$cnt),
2414 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2415 def RCR32m1 : I<0xD1, MRM3m, (outs), (ins i32mem:$dst),
2416 "rcr{l}\t{1, $dst|$dst, 1}", []>;
2417 def RCR32mi : Ii8<0xC1, MRM3m, (outs), (ins i32mem:$dst, i8imm:$cnt),
2418 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2420 let Uses = [CL] in {
2421 def RCL8mCL : I<0xD2, MRM2m, (outs), (ins i8mem:$dst),
2422 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
2423 def RCL16mCL : I<0xD3, MRM2m, (outs), (ins i16mem:$dst),
2424 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2425 def RCL32mCL : I<0xD3, MRM2m, (outs), (ins i32mem:$dst),
2426 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
2427 def RCR8mCL : I<0xD2, MRM3m, (outs), (ins i8mem:$dst),
2428 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
2429 def RCR16mCL : I<0xD3, MRM3m, (outs), (ins i16mem:$dst),
2430 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2431 def RCR32mCL : I<0xD3, MRM3m, (outs), (ins i32mem:$dst),
2432 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
2436 // FIXME: provide shorter instructions when imm8 == 1
2437 let Uses = [CL] in {
2438 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),
2439 "rol{b}\t{%cl, $dst|$dst, CL}",
2440 [(set GR8:$dst, (rotl GR8:$src, CL))]>;
2441 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src),
2442 "rol{w}\t{%cl, $dst|$dst, CL}",
2443 [(set GR16:$dst, (rotl GR16:$src, CL))]>, OpSize;
2444 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src),
2445 "rol{l}\t{%cl, $dst|$dst, CL}",
2446 [(set GR32:$dst, (rotl GR32:$src, CL))]>;
2449 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2450 "rol{b}\t{$src2, $dst|$dst, $src2}",
2451 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
2452 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2453 "rol{w}\t{$src2, $dst|$dst, $src2}",
2454 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>,
2456 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2457 "rol{l}\t{$src2, $dst|$dst, $src2}",
2458 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
2461 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
2463 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
2464 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
2466 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
2467 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
2469 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
2471 let isTwoAddress = 0 in {
2472 let Uses = [CL] in {
2473 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
2474 "rol{b}\t{%cl, $dst|$dst, CL}",
2475 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
2476 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
2477 "rol{w}\t{%cl, $dst|$dst, CL}",
2478 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2479 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
2480 "rol{l}\t{%cl, $dst|$dst, CL}",
2481 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
2483 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
2484 "rol{b}\t{$src, $dst|$dst, $src}",
2485 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2486 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
2487 "rol{w}\t{$src, $dst|$dst, $src}",
2488 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2490 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
2491 "rol{l}\t{$src, $dst|$dst, $src}",
2492 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2495 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
2497 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2498 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
2500 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2502 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
2504 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2507 let Uses = [CL] in {
2508 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),
2509 "ror{b}\t{%cl, $dst|$dst, CL}",
2510 [(set GR8:$dst, (rotr GR8:$src, CL))]>;
2511 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src),
2512 "ror{w}\t{%cl, $dst|$dst, CL}",
2513 [(set GR16:$dst, (rotr GR16:$src, CL))]>, OpSize;
2514 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src),
2515 "ror{l}\t{%cl, $dst|$dst, CL}",
2516 [(set GR32:$dst, (rotr GR32:$src, CL))]>;
2519 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2520 "ror{b}\t{$src2, $dst|$dst, $src2}",
2521 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
2522 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2523 "ror{w}\t{$src2, $dst|$dst, $src2}",
2524 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>,
2526 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2527 "ror{l}\t{$src2, $dst|$dst, $src2}",
2528 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
2531 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2533 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
2534 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2536 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
2537 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2539 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
2541 let isTwoAddress = 0 in {
2542 let Uses = [CL] in {
2543 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
2544 "ror{b}\t{%cl, $dst|$dst, CL}",
2545 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
2546 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
2547 "ror{w}\t{%cl, $dst|$dst, CL}",
2548 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2549 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
2550 "ror{l}\t{%cl, $dst|$dst, CL}",
2551 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
2553 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2554 "ror{b}\t{$src, $dst|$dst, $src}",
2555 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2556 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
2557 "ror{w}\t{$src, $dst|$dst, $src}",
2558 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2560 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
2561 "ror{l}\t{$src, $dst|$dst, $src}",
2562 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2565 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
2567 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2568 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
2570 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2572 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
2574 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2579 // Double shift instructions (generalizations of rotate)
2580 let Uses = [CL] in {
2581 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst),
2582 (ins GR32:$src1, GR32:$src2),
2583 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2584 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
2585 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst),
2586 (ins GR32:$src1, GR32:$src2),
2587 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2588 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
2589 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst),
2590 (ins GR16:$src1, GR16:$src2),
2591 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2592 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
2594 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst),
2595 (ins GR16:$src1, GR16:$src2),
2596 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2597 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
2601 let isCommutable = 1 in { // These instructions commute to each other.
2602 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
2604 (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2605 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2606 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
2609 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
2611 (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2612 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2613 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
2616 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
2618 (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2619 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2620 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
2623 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
2625 (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2626 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2627 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
2632 let isTwoAddress = 0 in {
2633 let Uses = [CL] in {
2634 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2635 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2636 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
2638 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2639 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2640 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
2643 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
2644 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2645 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2646 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
2647 (i8 imm:$src3)), addr:$dst)]>,
2649 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
2650 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2651 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2652 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
2653 (i8 imm:$src3)), addr:$dst)]>,
2656 let Uses = [CL] in {
2657 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2658 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2659 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
2660 addr:$dst)]>, TB, OpSize;
2661 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2662 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2663 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
2664 addr:$dst)]>, TB, OpSize;
2666 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
2667 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2668 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2669 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
2670 (i8 imm:$src3)), addr:$dst)]>,
2672 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
2673 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2674 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2675 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
2676 (i8 imm:$src3)), addr:$dst)]>,
2679 } // Defs = [EFLAGS]
2683 let Defs = [EFLAGS] in {
2684 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
2685 // Register-Register Addition
2686 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
2687 (ins GR8 :$src1, GR8 :$src2),
2688 "add{b}\t{$src2, $dst|$dst, $src2}",
2689 [(set GR8:$dst, (add GR8:$src1, GR8:$src2)),
2690 (implicit EFLAGS)]>;
2692 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2693 // Register-Register Addition
2694 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
2695 (ins GR16:$src1, GR16:$src2),
2696 "add{w}\t{$src2, $dst|$dst, $src2}",
2697 [(set GR16:$dst, (add GR16:$src1, GR16:$src2)),
2698 (implicit EFLAGS)]>, OpSize;
2699 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
2700 (ins GR32:$src1, GR32:$src2),
2701 "add{l}\t{$src2, $dst|$dst, $src2}",
2702 [(set GR32:$dst, (add GR32:$src1, GR32:$src2)),
2703 (implicit EFLAGS)]>;
2704 } // end isConvertibleToThreeAddress
2705 } // end isCommutable
2707 // These are alternate spellings for use by the disassembler, we mark them as
2708 // code gen only to ensure they aren't matched by the assembler.
2709 let isCodeGenOnly = 1 in {
2710 def ADD8rr_alt: I<0x02, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2711 "add{b}\t{$src2, $dst|$dst, $src2}", []>;
2712 def ADD16rr_alt: I<0x03, MRMSrcReg,(outs GR16:$dst),(ins GR16:$src1, GR16:$src2),
2713 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2714 def ADD32rr_alt: I<0x03, MRMSrcReg,(outs GR16:$dst),(ins GR16:$src1, GR16:$src2),
2715 "add{l}\t{$src2, $dst|$dst, $src2}", []>;
2718 // Register-Memory Addition
2719 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
2720 (ins GR8 :$src1, i8mem :$src2),
2721 "add{b}\t{$src2, $dst|$dst, $src2}",
2722 [(set GR8:$dst, (add GR8:$src1, (load addr:$src2))),
2723 (implicit EFLAGS)]>;
2724 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
2725 (ins GR16:$src1, i16mem:$src2),
2726 "add{w}\t{$src2, $dst|$dst, $src2}",
2727 [(set GR16:$dst, (add GR16:$src1, (load addr:$src2))),
2728 (implicit EFLAGS)]>, OpSize;
2729 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
2730 (ins GR32:$src1, i32mem:$src2),
2731 "add{l}\t{$src2, $dst|$dst, $src2}",
2732 [(set GR32:$dst, (add GR32:$src1, (load addr:$src2))),
2733 (implicit EFLAGS)]>;
2735 // Register-Integer Addition
2736 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2737 "add{b}\t{$src2, $dst|$dst, $src2}",
2738 [(set GR8:$dst, (add GR8:$src1, imm:$src2)),
2739 (implicit EFLAGS)]>;
2741 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2742 // Register-Integer Addition
2743 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
2744 (ins GR16:$src1, i16imm:$src2),
2745 "add{w}\t{$src2, $dst|$dst, $src2}",
2746 [(set GR16:$dst, (add GR16:$src1, imm:$src2)),
2747 (implicit EFLAGS)]>, OpSize;
2748 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2749 (ins GR32:$src1, i32imm:$src2),
2750 "add{l}\t{$src2, $dst|$dst, $src2}",
2751 [(set GR32:$dst, (add GR32:$src1, imm:$src2)),
2752 (implicit EFLAGS)]>;
2753 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2754 (ins GR16:$src1, i16i8imm:$src2),
2755 "add{w}\t{$src2, $dst|$dst, $src2}",
2756 [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2)),
2757 (implicit EFLAGS)]>, OpSize;
2758 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2759 (ins GR32:$src1, i32i8imm:$src2),
2760 "add{l}\t{$src2, $dst|$dst, $src2}",
2761 [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2)),
2762 (implicit EFLAGS)]>;
2765 let isTwoAddress = 0 in {
2766 // Memory-Register Addition
2767 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2768 "add{b}\t{$src2, $dst|$dst, $src2}",
2769 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2770 (implicit EFLAGS)]>;
2771 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2772 "add{w}\t{$src2, $dst|$dst, $src2}",
2773 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2774 (implicit EFLAGS)]>, OpSize;
2775 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2776 "add{l}\t{$src2, $dst|$dst, $src2}",
2777 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2778 (implicit EFLAGS)]>;
2779 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2780 "add{b}\t{$src2, $dst|$dst, $src2}",
2781 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2782 (implicit EFLAGS)]>;
2783 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2784 "add{w}\t{$src2, $dst|$dst, $src2}",
2785 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2786 (implicit EFLAGS)]>, OpSize;
2787 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2788 "add{l}\t{$src2, $dst|$dst, $src2}",
2789 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2790 (implicit EFLAGS)]>;
2791 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2792 "add{w}\t{$src2, $dst|$dst, $src2}",
2793 [(store (add (load addr:$dst), i16immSExt8:$src2),
2795 (implicit EFLAGS)]>, OpSize;
2796 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2797 "add{l}\t{$src2, $dst|$dst, $src2}",
2798 [(store (add (load addr:$dst), i32immSExt8:$src2),
2800 (implicit EFLAGS)]>;
2803 def ADD8i8 : Ii8<0x04, RawFrm, (outs), (ins i8imm:$src),
2804 "add{b}\t{$src, %al|%al, $src}", []>;
2805 def ADD16i16 : Ii16<0x05, RawFrm, (outs), (ins i16imm:$src),
2806 "add{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2807 def ADD32i32 : Ii32<0x05, RawFrm, (outs), (ins i32imm:$src),
2808 "add{l}\t{$src, %eax|%eax, $src}", []>;
2811 let Uses = [EFLAGS] in {
2812 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2813 def ADC8rr : I<0x10, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2814 "adc{b}\t{$src2, $dst|$dst, $src2}",
2815 [(set GR8:$dst, (adde GR8:$src1, GR8:$src2))]>;
2816 def ADC16rr : I<0x11, MRMDestReg, (outs GR16:$dst),
2817 (ins GR16:$src1, GR16:$src2),
2818 "adc{w}\t{$src2, $dst|$dst, $src2}",
2819 [(set GR16:$dst, (adde GR16:$src1, GR16:$src2))]>, OpSize;
2820 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst),
2821 (ins GR32:$src1, GR32:$src2),
2822 "adc{l}\t{$src2, $dst|$dst, $src2}",
2823 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2826 def ADC8rr_REV : I<0x12, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2827 "adc{b}\t{$src2, $dst|$dst, $src2}", []>;
2828 def ADC16rr_REV : I<0x13, MRMSrcReg, (outs GR16:$dst),
2829 (ins GR16:$src1, GR16:$src2),
2830 "adc{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2831 def ADC32rr_REV : I<0x13, MRMSrcReg, (outs GR32:$dst),
2832 (ins GR32:$src1, GR32:$src2),
2833 "adc{l}\t{$src2, $dst|$dst, $src2}", []>;
2835 def ADC8rm : I<0x12, MRMSrcMem , (outs GR8:$dst),
2836 (ins GR8:$src1, i8mem:$src2),
2837 "adc{b}\t{$src2, $dst|$dst, $src2}",
2838 [(set GR8:$dst, (adde GR8:$src1, (load addr:$src2)))]>;
2839 def ADC16rm : I<0x13, MRMSrcMem , (outs GR16:$dst),
2840 (ins GR16:$src1, i16mem:$src2),
2841 "adc{w}\t{$src2, $dst|$dst, $src2}",
2842 [(set GR16:$dst, (adde GR16:$src1, (load addr:$src2)))]>,
2844 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst),
2845 (ins GR32:$src1, i32mem:$src2),
2846 "adc{l}\t{$src2, $dst|$dst, $src2}",
2847 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2848 def ADC8ri : Ii8<0x80, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2849 "adc{b}\t{$src2, $dst|$dst, $src2}",
2850 [(set GR8:$dst, (adde GR8:$src1, imm:$src2))]>;
2851 def ADC16ri : Ii16<0x81, MRM2r, (outs GR16:$dst),
2852 (ins GR16:$src1, i16imm:$src2),
2853 "adc{w}\t{$src2, $dst|$dst, $src2}",
2854 [(set GR16:$dst, (adde GR16:$src1, imm:$src2))]>, OpSize;
2855 def ADC16ri8 : Ii8<0x83, MRM2r, (outs GR16:$dst),
2856 (ins GR16:$src1, i16i8imm:$src2),
2857 "adc{w}\t{$src2, $dst|$dst, $src2}",
2858 [(set GR16:$dst, (adde GR16:$src1, i16immSExt8:$src2))]>,
2860 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst),
2861 (ins GR32:$src1, i32imm:$src2),
2862 "adc{l}\t{$src2, $dst|$dst, $src2}",
2863 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2864 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst),
2865 (ins GR32:$src1, i32i8imm:$src2),
2866 "adc{l}\t{$src2, $dst|$dst, $src2}",
2867 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2869 let isTwoAddress = 0 in {
2870 def ADC8mr : I<0x10, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2871 "adc{b}\t{$src2, $dst|$dst, $src2}",
2872 [(store (adde (load addr:$dst), GR8:$src2), addr:$dst)]>;
2873 def ADC16mr : I<0x11, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2874 "adc{w}\t{$src2, $dst|$dst, $src2}",
2875 [(store (adde (load addr:$dst), GR16:$src2), addr:$dst)]>,
2877 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2878 "adc{l}\t{$src2, $dst|$dst, $src2}",
2879 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2880 def ADC8mi : Ii8<0x80, MRM2m, (outs), (ins i8mem:$dst, i8imm:$src2),
2881 "adc{b}\t{$src2, $dst|$dst, $src2}",
2882 [(store (adde (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2883 def ADC16mi : Ii16<0x81, MRM2m, (outs), (ins i16mem:$dst, i16imm:$src2),
2884 "adc{w}\t{$src2, $dst|$dst, $src2}",
2885 [(store (adde (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2887 def ADC16mi8 : Ii8<0x83, MRM2m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2888 "adc{w}\t{$src2, $dst|$dst, $src2}",
2889 [(store (adde (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2891 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2892 "adc{l}\t{$src2, $dst|$dst, $src2}",
2893 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2894 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2895 "adc{l}\t{$src2, $dst|$dst, $src2}",
2896 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2898 def ADC8i8 : Ii8<0x14, RawFrm, (outs), (ins i8imm:$src),
2899 "adc{b}\t{$src, %al|%al, $src}", []>;
2900 def ADC16i16 : Ii16<0x15, RawFrm, (outs), (ins i16imm:$src),
2901 "adc{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2902 def ADC32i32 : Ii32<0x15, RawFrm, (outs), (ins i32imm:$src),
2903 "adc{l}\t{$src, %eax|%eax, $src}", []>;
2905 } // Uses = [EFLAGS]
2907 // Register-Register Subtraction
2908 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2909 "sub{b}\t{$src2, $dst|$dst, $src2}",
2910 [(set GR8:$dst, (sub GR8:$src1, GR8:$src2)),
2911 (implicit EFLAGS)]>;
2912 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2913 "sub{w}\t{$src2, $dst|$dst, $src2}",
2914 [(set GR16:$dst, (sub GR16:$src1, GR16:$src2)),
2915 (implicit EFLAGS)]>, OpSize;
2916 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2917 "sub{l}\t{$src2, $dst|$dst, $src2}",
2918 [(set GR32:$dst, (sub GR32:$src1, GR32:$src2)),
2919 (implicit EFLAGS)]>;
2921 def SUB8rr_REV : I<0x2A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2922 "sub{b}\t{$src2, $dst|$dst, $src2}", []>;
2923 def SUB16rr_REV : I<0x2B, MRMSrcReg, (outs GR16:$dst),
2924 (ins GR16:$src1, GR16:$src2),
2925 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2926 def SUB32rr_REV : I<0x2B, MRMSrcReg, (outs GR32:$dst),
2927 (ins GR32:$src1, GR32:$src2),
2928 "sub{l}\t{$src2, $dst|$dst, $src2}", []>;
2930 // Register-Memory Subtraction
2931 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
2932 (ins GR8 :$src1, i8mem :$src2),
2933 "sub{b}\t{$src2, $dst|$dst, $src2}",
2934 [(set GR8:$dst, (sub GR8:$src1, (load addr:$src2))),
2935 (implicit EFLAGS)]>;
2936 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
2937 (ins GR16:$src1, i16mem:$src2),
2938 "sub{w}\t{$src2, $dst|$dst, $src2}",
2939 [(set GR16:$dst, (sub GR16:$src1, (load addr:$src2))),
2940 (implicit EFLAGS)]>, OpSize;
2941 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
2942 (ins GR32:$src1, i32mem:$src2),
2943 "sub{l}\t{$src2, $dst|$dst, $src2}",
2944 [(set GR32:$dst, (sub GR32:$src1, (load addr:$src2))),
2945 (implicit EFLAGS)]>;
2947 // Register-Integer Subtraction
2948 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
2949 (ins GR8:$src1, i8imm:$src2),
2950 "sub{b}\t{$src2, $dst|$dst, $src2}",
2951 [(set GR8:$dst, (sub GR8:$src1, imm:$src2)),
2952 (implicit EFLAGS)]>;
2953 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
2954 (ins GR16:$src1, i16imm:$src2),
2955 "sub{w}\t{$src2, $dst|$dst, $src2}",
2956 [(set GR16:$dst, (sub GR16:$src1, imm:$src2)),
2957 (implicit EFLAGS)]>, OpSize;
2958 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
2959 (ins GR32:$src1, i32imm:$src2),
2960 "sub{l}\t{$src2, $dst|$dst, $src2}",
2961 [(set GR32:$dst, (sub GR32:$src1, imm:$src2)),
2962 (implicit EFLAGS)]>;
2963 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
2964 (ins GR16:$src1, i16i8imm:$src2),
2965 "sub{w}\t{$src2, $dst|$dst, $src2}",
2966 [(set GR16:$dst, (sub GR16:$src1, i16immSExt8:$src2)),
2967 (implicit EFLAGS)]>, OpSize;
2968 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
2969 (ins GR32:$src1, i32i8imm:$src2),
2970 "sub{l}\t{$src2, $dst|$dst, $src2}",
2971 [(set GR32:$dst, (sub GR32:$src1, i32immSExt8:$src2)),
2972 (implicit EFLAGS)]>;
2974 let isTwoAddress = 0 in {
2975 // Memory-Register Subtraction
2976 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
2977 "sub{b}\t{$src2, $dst|$dst, $src2}",
2978 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
2979 (implicit EFLAGS)]>;
2980 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2981 "sub{w}\t{$src2, $dst|$dst, $src2}",
2982 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
2983 (implicit EFLAGS)]>, OpSize;
2984 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2985 "sub{l}\t{$src2, $dst|$dst, $src2}",
2986 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
2987 (implicit EFLAGS)]>;
2989 // Memory-Integer Subtraction
2990 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
2991 "sub{b}\t{$src2, $dst|$dst, $src2}",
2992 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
2993 (implicit EFLAGS)]>;
2994 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
2995 "sub{w}\t{$src2, $dst|$dst, $src2}",
2996 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
2997 (implicit EFLAGS)]>, OpSize;
2998 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
2999 "sub{l}\t{$src2, $dst|$dst, $src2}",
3000 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
3001 (implicit EFLAGS)]>;
3002 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3003 "sub{w}\t{$src2, $dst|$dst, $src2}",
3004 [(store (sub (load addr:$dst), i16immSExt8:$src2),
3006 (implicit EFLAGS)]>, OpSize;
3007 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3008 "sub{l}\t{$src2, $dst|$dst, $src2}",
3009 [(store (sub (load addr:$dst), i32immSExt8:$src2),
3011 (implicit EFLAGS)]>;
3013 def SUB8i8 : Ii8<0x2C, RawFrm, (outs), (ins i8imm:$src),
3014 "sub{b}\t{$src, %al|%al, $src}", []>;
3015 def SUB16i16 : Ii16<0x2D, RawFrm, (outs), (ins i16imm:$src),
3016 "sub{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3017 def SUB32i32 : Ii32<0x2D, RawFrm, (outs), (ins i32imm:$src),
3018 "sub{l}\t{$src, %eax|%eax, $src}", []>;
3021 let Uses = [EFLAGS] in {
3022 def SBB8rr : I<0x18, MRMDestReg, (outs GR8:$dst),
3023 (ins GR8:$src1, GR8:$src2),
3024 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3025 [(set GR8:$dst, (sube GR8:$src1, GR8:$src2))]>;
3026 def SBB16rr : I<0x19, MRMDestReg, (outs GR16:$dst),
3027 (ins GR16:$src1, GR16:$src2),
3028 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3029 [(set GR16:$dst, (sube GR16:$src1, GR16:$src2))]>, OpSize;
3030 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst),
3031 (ins GR32:$src1, GR32:$src2),
3032 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3033 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
3035 let isTwoAddress = 0 in {
3036 def SBB8mr : I<0x18, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
3037 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3038 [(store (sube (load addr:$dst), GR8:$src2), addr:$dst)]>;
3039 def SBB16mr : I<0x19, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3040 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3041 [(store (sube (load addr:$dst), GR16:$src2), addr:$dst)]>,
3043 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3044 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3045 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
3046 def SBB8mi : Ii8<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
3047 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3048 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
3049 def SBB16mi : Ii16<0x81, MRM3m, (outs), (ins i16mem:$dst, i16imm:$src2),
3050 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3051 [(store (sube (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
3053 def SBB16mi8 : Ii8<0x83, MRM3m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3054 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3055 [(store (sube (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
3057 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
3058 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3059 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
3060 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3061 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3062 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
3064 def SBB8i8 : Ii8<0x1C, RawFrm, (outs), (ins i8imm:$src),
3065 "sbb{b}\t{$src, %al|%al, $src}", []>;
3066 def SBB16i16 : Ii16<0x1D, RawFrm, (outs), (ins i16imm:$src),
3067 "sbb{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3068 def SBB32i32 : Ii32<0x1D, RawFrm, (outs), (ins i32imm:$src),
3069 "sbb{l}\t{$src, %eax|%eax, $src}", []>;
3072 def SBB8rr_REV : I<0x1A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
3073 "sbb{b}\t{$src2, $dst|$dst, $src2}", []>;
3074 def SBB16rr_REV : I<0x1B, MRMSrcReg, (outs GR16:$dst),
3075 (ins GR16:$src1, GR16:$src2),
3076 "sbb{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
3077 def SBB32rr_REV : I<0x1B, MRMSrcReg, (outs GR32:$dst),
3078 (ins GR32:$src1, GR32:$src2),
3079 "sbb{l}\t{$src2, $dst|$dst, $src2}", []>;
3081 def SBB8rm : I<0x1A, MRMSrcMem, (outs GR8:$dst), (ins GR8:$src1, i8mem:$src2),
3082 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3083 [(set GR8:$dst, (sube GR8:$src1, (load addr:$src2)))]>;
3084 def SBB16rm : I<0x1B, MRMSrcMem, (outs GR16:$dst),
3085 (ins GR16:$src1, i16mem:$src2),
3086 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3087 [(set GR16:$dst, (sube GR16:$src1, (load addr:$src2)))]>,
3089 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst),
3090 (ins GR32:$src1, i32mem:$src2),
3091 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3092 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
3093 def SBB8ri : Ii8<0x80, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
3094 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3095 [(set GR8:$dst, (sube GR8:$src1, imm:$src2))]>;
3096 def SBB16ri : Ii16<0x81, MRM3r, (outs GR16:$dst),
3097 (ins GR16:$src1, i16imm:$src2),
3098 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3099 [(set GR16:$dst, (sube GR16:$src1, imm:$src2))]>, OpSize;
3100 def SBB16ri8 : Ii8<0x83, MRM3r, (outs GR16:$dst),
3101 (ins GR16:$src1, i16i8imm:$src2),
3102 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3103 [(set GR16:$dst, (sube GR16:$src1, i16immSExt8:$src2))]>,
3105 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst),
3106 (ins GR32:$src1, i32imm:$src2),
3107 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3108 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
3109 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst),
3110 (ins GR32:$src1, i32i8imm:$src2),
3111 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3112 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
3113 } // Uses = [EFLAGS]
3114 } // Defs = [EFLAGS]
3116 let Defs = [EFLAGS] in {
3117 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
3118 // Register-Register Signed Integer Multiply
3119 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
3120 "imul{w}\t{$src2, $dst|$dst, $src2}",
3121 [(set GR16:$dst, (mul GR16:$src1, GR16:$src2)),
3122 (implicit EFLAGS)]>, TB, OpSize;
3123 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
3124 "imul{l}\t{$src2, $dst|$dst, $src2}",
3125 [(set GR32:$dst, (mul GR32:$src1, GR32:$src2)),
3126 (implicit EFLAGS)]>, TB;
3129 // Register-Memory Signed Integer Multiply
3130 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
3131 (ins GR16:$src1, i16mem:$src2),
3132 "imul{w}\t{$src2, $dst|$dst, $src2}",
3133 [(set GR16:$dst, (mul GR16:$src1, (load addr:$src2))),
3134 (implicit EFLAGS)]>, TB, OpSize;
3135 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst),
3136 (ins GR32:$src1, i32mem:$src2),
3137 "imul{l}\t{$src2, $dst|$dst, $src2}",
3138 [(set GR32:$dst, (mul GR32:$src1, (load addr:$src2))),
3139 (implicit EFLAGS)]>, TB;
3140 } // Defs = [EFLAGS]
3141 } // end Two Address instructions
3143 // Suprisingly enough, these are not two address instructions!
3144 let Defs = [EFLAGS] in {
3145 // Register-Integer Signed Integer Multiply
3146 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
3147 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
3148 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3149 [(set GR16:$dst, (mul GR16:$src1, imm:$src2)),
3150 (implicit EFLAGS)]>, OpSize;
3151 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
3152 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
3153 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3154 [(set GR32:$dst, (mul GR32:$src1, imm:$src2)),
3155 (implicit EFLAGS)]>;
3156 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
3157 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
3158 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3159 [(set GR16:$dst, (mul GR16:$src1, i16immSExt8:$src2)),
3160 (implicit EFLAGS)]>, OpSize;
3161 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
3162 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
3163 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3164 [(set GR32:$dst, (mul GR32:$src1, i32immSExt8:$src2)),
3165 (implicit EFLAGS)]>;
3167 // Memory-Integer Signed Integer Multiply
3168 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
3169 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
3170 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3171 [(set GR16:$dst, (mul (load addr:$src1), imm:$src2)),
3172 (implicit EFLAGS)]>, OpSize;
3173 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
3174 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
3175 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3176 [(set GR32:$dst, (mul (load addr:$src1), imm:$src2)),
3177 (implicit EFLAGS)]>;
3178 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
3179 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
3180 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3181 [(set GR16:$dst, (mul (load addr:$src1),
3182 i16immSExt8:$src2)),
3183 (implicit EFLAGS)]>, OpSize;
3184 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
3185 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
3186 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3187 [(set GR32:$dst, (mul (load addr:$src1),
3188 i32immSExt8:$src2)),
3189 (implicit EFLAGS)]>;
3190 } // Defs = [EFLAGS]
3192 //===----------------------------------------------------------------------===//
3193 // Test instructions are just like AND, except they don't generate a result.
3195 let Defs = [EFLAGS] in {
3196 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
3197 def TEST8rr : I<0x84, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
3198 "test{b}\t{$src2, $src1|$src1, $src2}",
3199 [(set EFLAGS, (X86cmp (and_su GR8:$src1, GR8:$src2), 0))]>;
3200 def TEST16rr : I<0x85, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
3201 "test{w}\t{$src2, $src1|$src1, $src2}",
3202 [(set EFLAGS, (X86cmp (and_su GR16:$src1, GR16:$src2),
3205 def TEST32rr : I<0x85, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
3206 "test{l}\t{$src2, $src1|$src1, $src2}",
3207 [(set EFLAGS, (X86cmp (and_su GR32:$src1, GR32:$src2),
3211 def TEST8i8 : Ii8<0xA8, RawFrm, (outs), (ins i8imm:$src),
3212 "test{b}\t{$src, %al|%al, $src}", []>;
3213 def TEST16i16 : Ii16<0xA9, RawFrm, (outs), (ins i16imm:$src),
3214 "test{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3215 def TEST32i32 : Ii32<0xA9, RawFrm, (outs), (ins i32imm:$src),
3216 "test{l}\t{$src, %eax|%eax, $src}", []>;
3218 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
3219 "test{b}\t{$src2, $src1|$src1, $src2}",
3220 [(set EFLAGS, (X86cmp (and GR8:$src1, (loadi8 addr:$src2)),
3222 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
3223 "test{w}\t{$src2, $src1|$src1, $src2}",
3224 [(set EFLAGS, (X86cmp (and GR16:$src1,
3225 (loadi16 addr:$src2)), 0))]>, OpSize;
3226 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
3227 "test{l}\t{$src2, $src1|$src1, $src2}",
3228 [(set EFLAGS, (X86cmp (and GR32:$src1,
3229 (loadi32 addr:$src2)), 0))]>;
3231 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
3232 (outs), (ins GR8:$src1, i8imm:$src2),
3233 "test{b}\t{$src2, $src1|$src1, $src2}",
3234 [(set EFLAGS, (X86cmp (and_su GR8:$src1, imm:$src2), 0))]>;
3235 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
3236 (outs), (ins GR16:$src1, i16imm:$src2),
3237 "test{w}\t{$src2, $src1|$src1, $src2}",
3238 [(set EFLAGS, (X86cmp (and_su GR16:$src1, imm:$src2), 0))]>,
3240 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
3241 (outs), (ins GR32:$src1, i32imm:$src2),
3242 "test{l}\t{$src2, $src1|$src1, $src2}",
3243 [(set EFLAGS, (X86cmp (and_su GR32:$src1, imm:$src2), 0))]>;
3245 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
3246 (outs), (ins i8mem:$src1, i8imm:$src2),
3247 "test{b}\t{$src2, $src1|$src1, $src2}",
3248 [(set EFLAGS, (X86cmp (and (loadi8 addr:$src1), imm:$src2),
3250 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
3251 (outs), (ins i16mem:$src1, i16imm:$src2),
3252 "test{w}\t{$src2, $src1|$src1, $src2}",
3253 [(set EFLAGS, (X86cmp (and (loadi16 addr:$src1), imm:$src2),
3255 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
3256 (outs), (ins i32mem:$src1, i32imm:$src2),
3257 "test{l}\t{$src2, $src1|$src1, $src2}",
3258 [(set EFLAGS, (X86cmp (and (loadi32 addr:$src1), imm:$src2),
3260 } // Defs = [EFLAGS]
3263 // Condition code ops, incl. set if equal/not equal/...
3264 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
3265 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
3266 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
3267 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
3269 let Uses = [EFLAGS] in {
3270 // Use sbb to materialize carry bit.
3271 let Defs = [EFLAGS], isCodeGenOnly = 1 in {
3272 // FIXME: These are pseudo ops that should be replaced with Pat<> patterns.
3273 // However, Pat<> can't replicate the destination reg into the inputs of the
3275 // FIXME: Change these to have encoding Pseudo when X86MCCodeEmitter replaces
3277 def SETB_C8r : I<0x18, MRMInitReg, (outs GR8:$dst), (ins), "",
3278 [(set GR8:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>;
3279 def SETB_C16r : I<0x19, MRMInitReg, (outs GR16:$dst), (ins), "",
3280 [(set GR16:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>,
3282 def SETB_C32r : I<0x19, MRMInitReg, (outs GR32:$dst), (ins), "",
3283 [(set GR32:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>;
3286 def SETEr : I<0x94, MRM0r,
3287 (outs GR8 :$dst), (ins),
3289 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
3291 def SETEm : I<0x94, MRM0m,
3292 (outs), (ins i8mem:$dst),
3294 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
3297 def SETNEr : I<0x95, MRM0r,
3298 (outs GR8 :$dst), (ins),
3300 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
3302 def SETNEm : I<0x95, MRM0m,
3303 (outs), (ins i8mem:$dst),
3305 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
3308 def SETLr : I<0x9C, MRM0r,
3309 (outs GR8 :$dst), (ins),
3311 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
3312 TB; // GR8 = < signed
3313 def SETLm : I<0x9C, MRM0m,
3314 (outs), (ins i8mem:$dst),
3316 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
3317 TB; // [mem8] = < signed
3319 def SETGEr : I<0x9D, MRM0r,
3320 (outs GR8 :$dst), (ins),
3322 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
3323 TB; // GR8 = >= signed
3324 def SETGEm : I<0x9D, MRM0m,
3325 (outs), (ins i8mem:$dst),
3327 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
3328 TB; // [mem8] = >= signed
3330 def SETLEr : I<0x9E, MRM0r,
3331 (outs GR8 :$dst), (ins),
3333 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
3334 TB; // GR8 = <= signed
3335 def SETLEm : I<0x9E, MRM0m,
3336 (outs), (ins i8mem:$dst),
3338 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
3339 TB; // [mem8] = <= signed
3341 def SETGr : I<0x9F, MRM0r,
3342 (outs GR8 :$dst), (ins),
3344 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
3345 TB; // GR8 = > signed
3346 def SETGm : I<0x9F, MRM0m,
3347 (outs), (ins i8mem:$dst),
3349 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
3350 TB; // [mem8] = > signed
3352 def SETBr : I<0x92, MRM0r,
3353 (outs GR8 :$dst), (ins),
3355 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
3356 TB; // GR8 = < unsign
3357 def SETBm : I<0x92, MRM0m,
3358 (outs), (ins i8mem:$dst),
3360 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
3361 TB; // [mem8] = < unsign
3363 def SETAEr : I<0x93, MRM0r,
3364 (outs GR8 :$dst), (ins),
3366 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
3367 TB; // GR8 = >= unsign
3368 def SETAEm : I<0x93, MRM0m,
3369 (outs), (ins i8mem:$dst),
3371 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
3372 TB; // [mem8] = >= unsign
3374 def SETBEr : I<0x96, MRM0r,
3375 (outs GR8 :$dst), (ins),
3377 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
3378 TB; // GR8 = <= unsign
3379 def SETBEm : I<0x96, MRM0m,
3380 (outs), (ins i8mem:$dst),
3382 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
3383 TB; // [mem8] = <= unsign
3385 def SETAr : I<0x97, MRM0r,
3386 (outs GR8 :$dst), (ins),
3388 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
3389 TB; // GR8 = > signed
3390 def SETAm : I<0x97, MRM0m,
3391 (outs), (ins i8mem:$dst),
3393 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
3394 TB; // [mem8] = > signed
3396 def SETSr : I<0x98, MRM0r,
3397 (outs GR8 :$dst), (ins),
3399 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
3400 TB; // GR8 = <sign bit>
3401 def SETSm : I<0x98, MRM0m,
3402 (outs), (ins i8mem:$dst),
3404 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
3405 TB; // [mem8] = <sign bit>
3406 def SETNSr : I<0x99, MRM0r,
3407 (outs GR8 :$dst), (ins),
3409 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
3410 TB; // GR8 = !<sign bit>
3411 def SETNSm : I<0x99, MRM0m,
3412 (outs), (ins i8mem:$dst),
3414 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
3415 TB; // [mem8] = !<sign bit>
3417 def SETPr : I<0x9A, MRM0r,
3418 (outs GR8 :$dst), (ins),
3420 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
3422 def SETPm : I<0x9A, MRM0m,
3423 (outs), (ins i8mem:$dst),
3425 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
3426 TB; // [mem8] = parity
3427 def SETNPr : I<0x9B, MRM0r,
3428 (outs GR8 :$dst), (ins),
3430 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
3431 TB; // GR8 = not parity
3432 def SETNPm : I<0x9B, MRM0m,
3433 (outs), (ins i8mem:$dst),
3435 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
3436 TB; // [mem8] = not parity
3438 def SETOr : I<0x90, MRM0r,
3439 (outs GR8 :$dst), (ins),
3441 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
3442 TB; // GR8 = overflow
3443 def SETOm : I<0x90, MRM0m,
3444 (outs), (ins i8mem:$dst),
3446 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
3447 TB; // [mem8] = overflow
3448 def SETNOr : I<0x91, MRM0r,
3449 (outs GR8 :$dst), (ins),
3451 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
3452 TB; // GR8 = not overflow
3453 def SETNOm : I<0x91, MRM0m,
3454 (outs), (ins i8mem:$dst),
3456 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
3457 TB; // [mem8] = not overflow
3458 } // Uses = [EFLAGS]
3461 // Integer comparisons
3462 let Defs = [EFLAGS] in {
3463 def CMP8i8 : Ii8<0x3C, RawFrm, (outs), (ins i8imm:$src),
3464 "cmp{b}\t{$src, %al|%al, $src}", []>;
3465 def CMP16i16 : Ii16<0x3D, RawFrm, (outs), (ins i16imm:$src),
3466 "cmp{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3467 def CMP32i32 : Ii32<0x3D, RawFrm, (outs), (ins i32imm:$src),
3468 "cmp{l}\t{$src, %eax|%eax, $src}", []>;
3470 def CMP8rr : I<0x38, MRMDestReg,
3471 (outs), (ins GR8 :$src1, GR8 :$src2),
3472 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3473 [(set EFLAGS, (X86cmp GR8:$src1, GR8:$src2))]>;
3474 def CMP16rr : I<0x39, MRMDestReg,
3475 (outs), (ins GR16:$src1, GR16:$src2),
3476 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3477 [(set EFLAGS, (X86cmp GR16:$src1, GR16:$src2))]>, OpSize;
3478 def CMP32rr : I<0x39, MRMDestReg,
3479 (outs), (ins GR32:$src1, GR32:$src2),
3480 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3481 [(set EFLAGS, (X86cmp GR32:$src1, GR32:$src2))]>;
3482 def CMP8mr : I<0x38, MRMDestMem,
3483 (outs), (ins i8mem :$src1, GR8 :$src2),
3484 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3485 [(set EFLAGS, (X86cmp (loadi8 addr:$src1), GR8:$src2))]>;
3486 def CMP16mr : I<0x39, MRMDestMem,
3487 (outs), (ins i16mem:$src1, GR16:$src2),
3488 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3489 [(set EFLAGS, (X86cmp (loadi16 addr:$src1), GR16:$src2))]>,
3491 def CMP32mr : I<0x39, MRMDestMem,
3492 (outs), (ins i32mem:$src1, GR32:$src2),
3493 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3494 [(set EFLAGS, (X86cmp (loadi32 addr:$src1), GR32:$src2))]>;
3495 def CMP8rm : I<0x3A, MRMSrcMem,
3496 (outs), (ins GR8 :$src1, i8mem :$src2),
3497 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3498 [(set EFLAGS, (X86cmp GR8:$src1, (loadi8 addr:$src2)))]>;
3499 def CMP16rm : I<0x3B, MRMSrcMem,
3500 (outs), (ins GR16:$src1, i16mem:$src2),
3501 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3502 [(set EFLAGS, (X86cmp GR16:$src1, (loadi16 addr:$src2)))]>,
3504 def CMP32rm : I<0x3B, MRMSrcMem,
3505 (outs), (ins GR32:$src1, i32mem:$src2),
3506 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3507 [(set EFLAGS, (X86cmp GR32:$src1, (loadi32 addr:$src2)))]>;
3509 // These are alternate spellings for use by the disassembler, we mark them as
3510 // code gen only to ensure they aren't matched by the assembler.
3511 let isCodeGenOnly = 1 in {
3512 def CMP8rr_alt : I<0x3A, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
3513 "cmp{b}\t{$src2, $src1|$src1, $src2}", []>;
3514 def CMP16rr_alt : I<0x3B, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
3515 "cmp{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize;
3516 def CMP32rr_alt : I<0x3B, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
3517 "cmp{l}\t{$src2, $src1|$src1, $src2}", []>;
3520 def CMP8ri : Ii8<0x80, MRM7r,
3521 (outs), (ins GR8:$src1, i8imm:$src2),
3522 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3523 [(set EFLAGS, (X86cmp GR8:$src1, imm:$src2))]>;
3524 def CMP16ri : Ii16<0x81, MRM7r,
3525 (outs), (ins GR16:$src1, i16imm:$src2),
3526 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3527 [(set EFLAGS, (X86cmp GR16:$src1, imm:$src2))]>, OpSize;
3528 def CMP32ri : Ii32<0x81, MRM7r,
3529 (outs), (ins GR32:$src1, i32imm:$src2),
3530 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3531 [(set EFLAGS, (X86cmp GR32:$src1, imm:$src2))]>;
3532 def CMP8mi : Ii8 <0x80, MRM7m,
3533 (outs), (ins i8mem :$src1, i8imm :$src2),
3534 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3535 [(set EFLAGS, (X86cmp (loadi8 addr:$src1), imm:$src2))]>;
3536 def CMP16mi : Ii16<0x81, MRM7m,
3537 (outs), (ins i16mem:$src1, i16imm:$src2),
3538 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3539 [(set EFLAGS, (X86cmp (loadi16 addr:$src1), imm:$src2))]>,
3541 def CMP32mi : Ii32<0x81, MRM7m,
3542 (outs), (ins i32mem:$src1, i32imm:$src2),
3543 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3544 [(set EFLAGS, (X86cmp (loadi32 addr:$src1), imm:$src2))]>;
3545 def CMP16ri8 : Ii8<0x83, MRM7r,
3546 (outs), (ins GR16:$src1, i16i8imm:$src2),
3547 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3548 [(set EFLAGS, (X86cmp GR16:$src1, i16immSExt8:$src2))]>,
3550 def CMP16mi8 : Ii8<0x83, MRM7m,
3551 (outs), (ins i16mem:$src1, i16i8imm:$src2),
3552 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3553 [(set EFLAGS, (X86cmp (loadi16 addr:$src1),
3554 i16immSExt8:$src2))]>, OpSize;
3555 def CMP32mi8 : Ii8<0x83, MRM7m,
3556 (outs), (ins i32mem:$src1, i32i8imm:$src2),
3557 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3558 [(set EFLAGS, (X86cmp (loadi32 addr:$src1),
3559 i32immSExt8:$src2))]>;
3560 def CMP32ri8 : Ii8<0x83, MRM7r,
3561 (outs), (ins GR32:$src1, i32i8imm:$src2),
3562 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3563 [(set EFLAGS, (X86cmp GR32:$src1, i32immSExt8:$src2))]>;
3564 } // Defs = [EFLAGS]
3567 // TODO: BTC, BTR, and BTS
3568 let Defs = [EFLAGS] in {
3569 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3570 "bt{w}\t{$src2, $src1|$src1, $src2}",
3571 [(set EFLAGS, (X86bt GR16:$src1, GR16:$src2))]>, OpSize, TB;
3572 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3573 "bt{l}\t{$src2, $src1|$src1, $src2}",
3574 [(set EFLAGS, (X86bt GR32:$src1, GR32:$src2))]>, TB;
3576 // Unlike with the register+register form, the memory+register form of the
3577 // bt instruction does not ignore the high bits of the index. From ISel's
3578 // perspective, this is pretty bizarre. Make these instructions disassembly
3581 def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3582 "bt{w}\t{$src2, $src1|$src1, $src2}",
3583 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
3584 // (implicit EFLAGS)]
3586 >, OpSize, TB, Requires<[FastBTMem]>;
3587 def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3588 "bt{l}\t{$src2, $src1|$src1, $src2}",
3589 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
3590 // (implicit EFLAGS)]
3592 >, TB, Requires<[FastBTMem]>;
3594 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3595 "bt{w}\t{$src2, $src1|$src1, $src2}",
3596 [(set EFLAGS, (X86bt GR16:$src1, i16immSExt8:$src2))]>,
3598 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3599 "bt{l}\t{$src2, $src1|$src1, $src2}",
3600 [(set EFLAGS, (X86bt GR32:$src1, i32immSExt8:$src2))]>, TB;
3601 // Note that these instructions don't need FastBTMem because that
3602 // only applies when the other operand is in a register. When it's
3603 // an immediate, bt is still fast.
3604 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3605 "bt{w}\t{$src2, $src1|$src1, $src2}",
3606 [(set EFLAGS, (X86bt (loadi16 addr:$src1), i16immSExt8:$src2))
3608 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3609 "bt{l}\t{$src2, $src1|$src1, $src2}",
3610 [(set EFLAGS, (X86bt (loadi32 addr:$src1), i32immSExt8:$src2))
3613 def BTC16rr : I<0xBB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3614 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3615 def BTC32rr : I<0xBB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3616 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3617 def BTC16mr : I<0xBB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3618 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3619 def BTC32mr : I<0xBB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3620 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3621 def BTC16ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3622 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3623 def BTC32ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3624 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3625 def BTC16mi8 : Ii8<0xBA, MRM7m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3626 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3627 def BTC32mi8 : Ii8<0xBA, MRM7m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3628 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3630 def BTR16rr : I<0xB3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3631 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3632 def BTR32rr : I<0xB3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3633 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3634 def BTR16mr : I<0xB3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3635 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3636 def BTR32mr : I<0xB3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3637 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3638 def BTR16ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3639 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3640 def BTR32ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3641 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3642 def BTR16mi8 : Ii8<0xBA, MRM6m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3643 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3644 def BTR32mi8 : Ii8<0xBA, MRM6m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3645 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3647 def BTS16rr : I<0xAB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3648 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3649 def BTS32rr : I<0xAB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3650 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3651 def BTS16mr : I<0xAB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3652 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3653 def BTS32mr : I<0xAB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3654 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3655 def BTS16ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3656 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3657 def BTS32ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3658 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3659 def BTS16mi8 : Ii8<0xBA, MRM5m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3660 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3661 def BTS32mi8 : Ii8<0xBA, MRM5m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3662 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3663 } // Defs = [EFLAGS]
3665 // Sign/Zero extenders
3666 // Use movsbl intead of movsbw; we don't care about the high 16 bits
3667 // of the register here. This has a smaller encoding and avoids a
3668 // partial-register update. Actual movsbw included for the disassembler.
3669 def MOVSX16rr8W : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src),
3670 "movs{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3671 def MOVSX16rm8W : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src),
3672 "movs{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3673 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3674 "", [(set GR16:$dst, (sext GR8:$src))]>, TB;
3675 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3676 "", [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
3677 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3678 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3679 [(set GR32:$dst, (sext GR8:$src))]>, TB;
3680 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3681 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3682 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
3683 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3684 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3685 [(set GR32:$dst, (sext GR16:$src))]>, TB;
3686 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3687 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3688 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
3690 // Use movzbl intead of movzbw; we don't care about the high 16 bits
3691 // of the register here. This has a smaller encoding and avoids a
3692 // partial-register update. Actual movzbw included for the disassembler.
3693 def MOVZX16rr8W : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src),
3694 "movz{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3695 def MOVZX16rm8W : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src),
3696 "movz{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3697 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3698 "", [(set GR16:$dst, (zext GR8:$src))]>, TB;
3699 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3700 "", [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
3701 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3702 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3703 [(set GR32:$dst, (zext GR8:$src))]>, TB;
3704 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3705 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3706 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
3707 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3708 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3709 [(set GR32:$dst, (zext GR16:$src))]>, TB;
3710 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3711 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3712 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
3714 // These are the same as the regular MOVZX32rr8 and MOVZX32rm8
3715 // except that they use GR32_NOREX for the output operand register class
3716 // instead of GR32. This allows them to operate on h registers on x86-64.
3717 def MOVZX32_NOREXrr8 : I<0xB6, MRMSrcReg,
3718 (outs GR32_NOREX:$dst), (ins GR8:$src),
3719 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3722 def MOVZX32_NOREXrm8 : I<0xB6, MRMSrcMem,
3723 (outs GR32_NOREX:$dst), (ins i8mem:$src),
3724 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3727 let neverHasSideEffects = 1 in {
3728 let Defs = [AX], Uses = [AL] in
3729 def CBW : I<0x98, RawFrm, (outs), (ins),
3730 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
3731 let Defs = [EAX], Uses = [AX] in
3732 def CWDE : I<0x98, RawFrm, (outs), (ins),
3733 "{cwtl|cwde}", []>; // EAX = signext(AX)
3735 let Defs = [AX,DX], Uses = [AX] in
3736 def CWD : I<0x99, RawFrm, (outs), (ins),
3737 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
3738 let Defs = [EAX,EDX], Uses = [EAX] in
3739 def CDQ : I<0x99, RawFrm, (outs), (ins),
3740 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
3743 //===----------------------------------------------------------------------===//
3744 // Alias Instructions
3745 //===----------------------------------------------------------------------===//
3747 // Alias instructions that map movr0 to xor.
3748 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
3749 // FIXME: Set encoding to pseudo.
3750 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1,
3751 isCodeGenOnly = 1 in {
3752 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins), "",
3753 [(set GR8:$dst, 0)]>;
3755 // We want to rewrite MOV16r0 in terms of MOV32r0, because it's a smaller
3756 // encoding and avoids a partial-register update sometimes, but doing so
3757 // at isel time interferes with rematerialization in the current register
3758 // allocator. For now, this is rewritten when the instruction is lowered
3760 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
3762 [(set GR16:$dst, 0)]>, OpSize;
3764 // FIXME: Set encoding to pseudo.
3765 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins), "",
3766 [(set GR32:$dst, 0)]>;
3769 //===----------------------------------------------------------------------===//
3770 // Thread Local Storage Instructions
3773 // All calls clobber the non-callee saved registers. ESP is marked as
3774 // a use to prevent stack-pointer assignments that appear immediately
3775 // before calls from potentially appearing dead.
3776 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
3777 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
3778 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
3779 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
3781 def TLS_addr32 : I<0, Pseudo, (outs), (ins lea32mem:$sym),
3782 "leal\t$sym, %eax; "
3783 "call\t___tls_get_addr@PLT",
3784 [(X86tlsaddr tls32addr:$sym)]>,
3785 Requires<[In32BitMode]>;
3787 let AddedComplexity = 5, isCodeGenOnly = 1 in
3788 def GS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3789 "movl\t%gs:$src, $dst",
3790 [(set GR32:$dst, (gsload addr:$src))]>, SegGS;
3792 let AddedComplexity = 5, isCodeGenOnly = 1 in
3793 def FS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3794 "movl\t%fs:$src, $dst",
3795 [(set GR32:$dst, (fsload addr:$src))]>, SegFS;
3797 //===----------------------------------------------------------------------===//
3798 // EH Pseudo Instructions
3800 let isTerminator = 1, isReturn = 1, isBarrier = 1,
3801 hasCtrlDep = 1, isCodeGenOnly = 1 in {
3802 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
3803 "ret\t#eh_return, addr: $addr",
3804 [(X86ehret GR32:$addr)]>;
3808 //===----------------------------------------------------------------------===//
3812 // Atomic swap. These are just normal xchg instructions. But since a memory
3813 // operand is referenced, the atomicity is ensured.
3814 let Constraints = "$val = $dst" in {
3815 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst),
3816 (ins GR32:$val, i32mem:$ptr),
3817 "xchg{l}\t{$val, $ptr|$ptr, $val}",
3818 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
3819 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst),
3820 (ins GR16:$val, i16mem:$ptr),
3821 "xchg{w}\t{$val, $ptr|$ptr, $val}",
3822 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
3824 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr),
3825 "xchg{b}\t{$val, $ptr|$ptr, $val}",
3826 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
3828 def XCHG32rr : I<0x87, MRMSrcReg, (outs GR32:$dst), (ins GR32:$val, GR32:$src),
3829 "xchg{l}\t{$val, $src|$src, $val}", []>;
3830 def XCHG16rr : I<0x87, MRMSrcReg, (outs GR16:$dst), (ins GR16:$val, GR16:$src),
3831 "xchg{w}\t{$val, $src|$src, $val}", []>, OpSize;
3832 def XCHG8rr : I<0x86, MRMSrcReg, (outs GR8:$dst), (ins GR8:$val, GR8:$src),
3833 "xchg{b}\t{$val, $src|$src, $val}", []>;
3836 def XCHG16ar : I<0x90, AddRegFrm, (outs), (ins GR16:$src),
3837 "xchg{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3838 def XCHG32ar : I<0x90, AddRegFrm, (outs), (ins GR32:$src),
3839 "xchg{l}\t{$src, %eax|%eax, $src}", []>;
3841 // Atomic compare and swap.
3842 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
3843 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
3845 "cmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
3846 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
3848 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
3849 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$ptr),
3852 [(X86cas8 addr:$ptr)]>, TB, LOCK;
3855 let Defs = [AX, EFLAGS], Uses = [AX] in {
3856 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
3858 "cmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
3859 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
3861 let Defs = [AL, EFLAGS], Uses = [AL] in {
3862 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
3864 "cmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
3865 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
3868 // Atomic exchange and add
3869 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
3870 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins GR32:$val, i32mem:$ptr),
3872 "xadd{l}\t{$val, $ptr|$ptr, $val}",
3873 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
3875 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins GR16:$val, i16mem:$ptr),
3877 "xadd{w}\t{$val, $ptr|$ptr, $val}",
3878 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
3880 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr),
3882 "xadd{b}\t{$val, $ptr|$ptr, $val}",
3883 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
3887 def XADD8rr : I<0xC0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
3888 "xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
3889 def XADD16rr : I<0xC1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
3890 "xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3891 def XADD32rr : I<0xC1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
3892 "xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
3894 def XADD8rm : I<0xC0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
3895 "xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
3896 def XADD16rm : I<0xC1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
3897 "xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3898 def XADD32rm : I<0xC1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
3899 "xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
3901 def CMPXCHG8rr : I<0xB0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
3902 "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
3903 def CMPXCHG16rr : I<0xB1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
3904 "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3905 def CMPXCHG32rr : I<0xB1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
3906 "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
3908 def CMPXCHG8rm : I<0xB0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
3909 "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
3910 def CMPXCHG16rm : I<0xB1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
3911 "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3912 def CMPXCHG32rm : I<0xB1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
3913 "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
3915 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in
3916 def CMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$dst),
3917 "cmpxchg8b\t$dst", []>, TB;
3919 // Optimized codegen when the non-memory output is not used.
3920 // FIXME: Use normal add / sub instructions and add lock prefix dynamically.
3921 let Defs = [EFLAGS] in {
3922 def LOCK_ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
3924 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3925 def LOCK_ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3927 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3928 def LOCK_ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3930 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3931 def LOCK_ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
3933 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3934 def LOCK_ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
3936 "add{w}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3937 def LOCK_ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
3939 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3940 def LOCK_ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3942 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3943 def LOCK_ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3945 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3947 def LOCK_INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst),
3949 "inc{b}\t$dst", []>, LOCK;
3950 def LOCK_INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst),
3952 "inc{w}\t$dst", []>, OpSize, LOCK;
3953 def LOCK_INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst),
3955 "inc{l}\t$dst", []>, LOCK;
3957 def LOCK_SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
3959 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3960 def LOCK_SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3962 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3963 def LOCK_SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3965 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3966 def LOCK_SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
3968 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3969 def LOCK_SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
3971 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3972 def LOCK_SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
3974 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3975 def LOCK_SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3977 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3978 def LOCK_SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3980 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3982 def LOCK_DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst),
3984 "dec{b}\t$dst", []>, LOCK;
3985 def LOCK_DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst),
3987 "dec{w}\t$dst", []>, OpSize, LOCK;
3988 def LOCK_DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst),
3990 "dec{l}\t$dst", []>, LOCK;
3993 // Atomic exchange, and, or, xor
3994 let Constraints = "$val = $dst", Defs = [EFLAGS],
3995 usesCustomInserter = 1 in {
3996 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3997 "#ATOMAND32 PSEUDO!",
3998 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
3999 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4000 "#ATOMOR32 PSEUDO!",
4001 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
4002 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4003 "#ATOMXOR32 PSEUDO!",
4004 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
4005 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4006 "#ATOMNAND32 PSEUDO!",
4007 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
4008 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
4009 "#ATOMMIN32 PSEUDO!",
4010 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
4011 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4012 "#ATOMMAX32 PSEUDO!",
4013 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
4014 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4015 "#ATOMUMIN32 PSEUDO!",
4016 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
4017 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4018 "#ATOMUMAX32 PSEUDO!",
4019 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
4021 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4022 "#ATOMAND16 PSEUDO!",
4023 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
4024 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4025 "#ATOMOR16 PSEUDO!",
4026 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
4027 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4028 "#ATOMXOR16 PSEUDO!",
4029 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
4030 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4031 "#ATOMNAND16 PSEUDO!",
4032 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
4033 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
4034 "#ATOMMIN16 PSEUDO!",
4035 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
4036 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4037 "#ATOMMAX16 PSEUDO!",
4038 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
4039 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4040 "#ATOMUMIN16 PSEUDO!",
4041 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
4042 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4043 "#ATOMUMAX16 PSEUDO!",
4044 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
4046 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4047 "#ATOMAND8 PSEUDO!",
4048 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
4049 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4051 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
4052 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4053 "#ATOMXOR8 PSEUDO!",
4054 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
4055 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4056 "#ATOMNAND8 PSEUDO!",
4057 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
4060 let Constraints = "$val1 = $dst1, $val2 = $dst2",
4061 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
4062 Uses = [EAX, EBX, ECX, EDX],
4063 mayLoad = 1, mayStore = 1,
4064 usesCustomInserter = 1 in {
4065 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4066 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4067 "#ATOMAND6432 PSEUDO!", []>;
4068 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4069 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4070 "#ATOMOR6432 PSEUDO!", []>;
4071 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4072 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4073 "#ATOMXOR6432 PSEUDO!", []>;
4074 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4075 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4076 "#ATOMNAND6432 PSEUDO!", []>;
4077 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4078 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4079 "#ATOMADD6432 PSEUDO!", []>;
4080 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4081 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4082 "#ATOMSUB6432 PSEUDO!", []>;
4083 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4084 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4085 "#ATOMSWAP6432 PSEUDO!", []>;
4088 // Segmentation support instructions.
4090 def LAR16rm : I<0x02, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
4091 "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4092 def LAR16rr : I<0x02, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
4093 "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4095 // i16mem operand in LAR32rm and GR32 operand in LAR32rr is not a typo.
4096 def LAR32rm : I<0x02, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
4097 "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
4098 def LAR32rr : I<0x02, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4099 "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
4101 def LSL16rm : I<0x03, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
4102 "lsl{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4103 def LSL16rr : I<0x03, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
4104 "lsl{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4105 def LSL32rm : I<0x03, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
4106 "lsl{l}\t{$src, $dst|$dst, $src}", []>, TB;
4107 def LSL32rr : I<0x03, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4108 "lsl{l}\t{$src, $dst|$dst, $src}", []>, TB;
4110 def INVLPG : I<0x01, MRM7m, (outs), (ins i8mem:$addr), "invlpg\t$addr", []>, TB;
4112 def STRr : I<0x00, MRM1r, (outs GR16:$dst), (ins),
4113 "str{w}\t{$dst}", []>, TB;
4114 def STRm : I<0x00, MRM1m, (outs i16mem:$dst), (ins),
4115 "str{w}\t{$dst}", []>, TB;
4116 def LTRr : I<0x00, MRM3r, (outs), (ins GR16:$src),
4117 "ltr{w}\t{$src}", []>, TB;
4118 def LTRm : I<0x00, MRM3m, (outs), (ins i16mem:$src),
4119 "ltr{w}\t{$src}", []>, TB;
4121 def PUSHFS16 : I<0xa0, RawFrm, (outs), (ins),
4122 "push{w}\t%fs", []>, OpSize, TB;
4123 def PUSHFS32 : I<0xa0, RawFrm, (outs), (ins),
4124 "push{l}\t%fs", []>, TB;
4125 def PUSHGS16 : I<0xa8, RawFrm, (outs), (ins),
4126 "push{w}\t%gs", []>, OpSize, TB;
4127 def PUSHGS32 : I<0xa8, RawFrm, (outs), (ins),
4128 "push{l}\t%gs", []>, TB;
4130 def POPFS16 : I<0xa1, RawFrm, (outs), (ins),
4131 "pop{w}\t%fs", []>, OpSize, TB;
4132 def POPFS32 : I<0xa1, RawFrm, (outs), (ins),
4133 "pop{l}\t%fs", []>, TB;
4134 def POPGS16 : I<0xa9, RawFrm, (outs), (ins),
4135 "pop{w}\t%gs", []>, OpSize, TB;
4136 def POPGS32 : I<0xa9, RawFrm, (outs), (ins),
4137 "pop{l}\t%gs", []>, TB;
4139 def LDS16rm : I<0xc5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4140 "lds{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
4141 def LDS32rm : I<0xc5, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4142 "lds{l}\t{$src, $dst|$dst, $src}", []>;
4143 def LSS16rm : I<0xb2, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4144 "lss{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4145 def LSS32rm : I<0xb2, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4146 "lss{l}\t{$src, $dst|$dst, $src}", []>, TB;
4147 def LES16rm : I<0xc4, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4148 "les{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
4149 def LES32rm : I<0xc4, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4150 "les{l}\t{$src, $dst|$dst, $src}", []>;
4151 def LFS16rm : I<0xb4, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4152 "lfs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4153 def LFS32rm : I<0xb4, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4154 "lfs{l}\t{$src, $dst|$dst, $src}", []>, TB;
4155 def LGS16rm : I<0xb5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4156 "lgs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4157 def LGS32rm : I<0xb5, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4158 "lgs{l}\t{$src, $dst|$dst, $src}", []>, TB;
4160 def VERRr : I<0x00, MRM4r, (outs), (ins GR16:$seg),
4161 "verr\t$seg", []>, TB;
4162 def VERRm : I<0x00, MRM4m, (outs), (ins i16mem:$seg),
4163 "verr\t$seg", []>, TB;
4164 def VERWr : I<0x00, MRM5r, (outs), (ins GR16:$seg),
4165 "verw\t$seg", []>, TB;
4166 def VERWm : I<0x00, MRM5m, (outs), (ins i16mem:$seg),
4167 "verw\t$seg", []>, TB;
4169 // Descriptor-table support instructions
4171 def SGDTm : I<0x01, MRM0m, (outs opaque48mem:$dst), (ins),
4172 "sgdt\t$dst", []>, TB;
4173 def SIDTm : I<0x01, MRM1m, (outs opaque48mem:$dst), (ins),
4174 "sidt\t$dst", []>, TB;
4175 def SLDT16r : I<0x00, MRM0r, (outs GR16:$dst), (ins),
4176 "sldt{w}\t$dst", []>, TB;
4177 def SLDT16m : I<0x00, MRM0m, (outs i16mem:$dst), (ins),
4178 "sldt{w}\t$dst", []>, TB;
4179 def LGDTm : I<0x01, MRM2m, (outs), (ins opaque48mem:$src),
4180 "lgdt\t$src", []>, TB;
4181 def LIDTm : I<0x01, MRM3m, (outs), (ins opaque48mem:$src),
4182 "lidt\t$src", []>, TB;
4183 def LLDT16r : I<0x00, MRM2r, (outs), (ins GR16:$src),
4184 "lldt{w}\t$src", []>, TB;
4185 def LLDT16m : I<0x00, MRM2m, (outs), (ins i16mem:$src),
4186 "lldt{w}\t$src", []>, TB;
4188 // Lock instruction prefix
4189 def LOCK_PREFIX : I<0xF0, RawFrm, (outs), (ins), "lock", []>;
4191 // Repeat string operation instruction prefixes
4192 // These uses the DF flag in the EFLAGS register to inc or dec ECX
4193 let Defs = [ECX], Uses = [ECX,EFLAGS] in {
4194 // Repeat (used with INS, OUTS, MOVS, LODS and STOS)
4195 def REP_PREFIX : I<0xF3, RawFrm, (outs), (ins), "rep", []>;
4196 // Repeat while not equal (used with CMPS and SCAS)
4197 def REPNE_PREFIX : I<0xF2, RawFrm, (outs), (ins), "repne", []>;
4200 // Segment override instruction prefixes
4201 def CS_PREFIX : I<0x2E, RawFrm, (outs), (ins), "cs", []>;
4202 def SS_PREFIX : I<0x36, RawFrm, (outs), (ins), "ss", []>;
4203 def DS_PREFIX : I<0x3E, RawFrm, (outs), (ins), "ds", []>;
4204 def ES_PREFIX : I<0x26, RawFrm, (outs), (ins), "es", []>;
4205 def FS_PREFIX : I<0x64, RawFrm, (outs), (ins), "fs", []>;
4206 def GS_PREFIX : I<0x65, RawFrm, (outs), (ins), "gs", []>;
4208 // String manipulation instructions
4210 def LODSB : I<0xAC, RawFrm, (outs), (ins), "lodsb", []>;
4211 def LODSW : I<0xAD, RawFrm, (outs), (ins), "lodsw", []>, OpSize;
4212 def LODSD : I<0xAD, RawFrm, (outs), (ins), "lods{l|d}", []>;
4214 def OUTSB : I<0x6E, RawFrm, (outs), (ins), "outsb", []>;
4215 def OUTSW : I<0x6F, RawFrm, (outs), (ins), "outsw", []>, OpSize;
4216 def OUTSD : I<0x6F, RawFrm, (outs), (ins), "outs{l|d}", []>;
4218 // CPU flow control instructions
4220 def HLT : I<0xF4, RawFrm, (outs), (ins), "hlt", []>;
4221 def RSM : I<0xAA, RawFrm, (outs), (ins), "rsm", []>, TB;
4223 // FPU control instructions
4225 def FNINIT : I<0xE3, RawFrm, (outs), (ins), "fninit", []>, DB;
4227 // Flag instructions
4229 def CLC : I<0xF8, RawFrm, (outs), (ins), "clc", []>;
4230 def STC : I<0xF9, RawFrm, (outs), (ins), "stc", []>;
4231 def CLI : I<0xFA, RawFrm, (outs), (ins), "cli", []>;
4232 def STI : I<0xFB, RawFrm, (outs), (ins), "sti", []>;
4233 def CLD : I<0xFC, RawFrm, (outs), (ins), "cld", []>;
4234 def STD : I<0xFD, RawFrm, (outs), (ins), "std", []>;
4235 def CMC : I<0xF5, RawFrm, (outs), (ins), "cmc", []>;
4237 def CLTS : I<0x06, RawFrm, (outs), (ins), "clts", []>, TB;
4239 // Table lookup instructions
4241 def XLAT : I<0xD7, RawFrm, (outs), (ins), "xlatb", []>;
4243 // Specialized register support
4245 def WRMSR : I<0x30, RawFrm, (outs), (ins), "wrmsr", []>, TB;
4246 def RDMSR : I<0x32, RawFrm, (outs), (ins), "rdmsr", []>, TB;
4247 def RDPMC : I<0x33, RawFrm, (outs), (ins), "rdpmc", []>, TB;
4249 def SMSW16r : I<0x01, MRM4r, (outs GR16:$dst), (ins),
4250 "smsw{w}\t$dst", []>, OpSize, TB;
4251 def SMSW32r : I<0x01, MRM4r, (outs GR32:$dst), (ins),
4252 "smsw{l}\t$dst", []>, TB;
4253 // For memory operands, there is only a 16-bit form
4254 def SMSW16m : I<0x01, MRM4m, (outs i16mem:$dst), (ins),
4255 "smsw{w}\t$dst", []>, TB;
4257 def LMSW16r : I<0x01, MRM6r, (outs), (ins GR16:$src),
4258 "lmsw{w}\t$src", []>, TB;
4259 def LMSW16m : I<0x01, MRM6m, (outs), (ins i16mem:$src),
4260 "lmsw{w}\t$src", []>, TB;
4262 def CPUID : I<0xA2, RawFrm, (outs), (ins), "cpuid", []>, TB;
4264 // Cache instructions
4266 def INVD : I<0x08, RawFrm, (outs), (ins), "invd", []>, TB;
4267 def WBINVD : I<0x09, RawFrm, (outs), (ins), "wbinvd", []>, TB;
4272 def INVEPT : I<0x80, RawFrm, (outs), (ins), "invept", []>, OpSize, T8;
4274 def INVVPID : I<0x81, RawFrm, (outs), (ins), "invvpid", []>, OpSize, T8;
4276 def VMCALL : I<0x01, MRM_C1, (outs), (ins), "vmcall", []>, TB;
4277 def VMCLEARm : I<0xC7, MRM6m, (outs), (ins i64mem:$vmcs),
4278 "vmclear\t$vmcs", []>, OpSize, TB;
4280 def VMLAUNCH : I<0x01, MRM_C2, (outs), (ins), "vmlaunch", []>, TB;
4282 def VMRESUME : I<0x01, MRM_C3, (outs), (ins), "vmresume", []>, TB;
4283 def VMPTRLDm : I<0xC7, MRM6m, (outs), (ins i64mem:$vmcs),
4284 "vmptrld\t$vmcs", []>, TB;
4285 def VMPTRSTm : I<0xC7, MRM7m, (outs i64mem:$vmcs), (ins),
4286 "vmptrst\t$vmcs", []>, TB;
4287 def VMREAD64rm : I<0x78, MRMDestMem, (outs i64mem:$dst), (ins GR64:$src),
4288 "vmread{q}\t{$src, $dst|$dst, $src}", []>, TB;
4289 def VMREAD64rr : I<0x78, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
4290 "vmread{q}\t{$src, $dst|$dst, $src}", []>, TB;
4291 def VMREAD32rm : I<0x78, MRMDestMem, (outs i32mem:$dst), (ins GR32:$src),
4292 "vmread{l}\t{$src, $dst|$dst, $src}", []>, TB;
4293 def VMREAD32rr : I<0x78, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
4294 "vmread{l}\t{$src, $dst|$dst, $src}", []>, TB;
4295 def VMWRITE64rm : I<0x79, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
4296 "vmwrite{q}\t{$src, $dst|$dst, $src}", []>, TB;
4297 def VMWRITE64rr : I<0x79, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
4298 "vmwrite{q}\t{$src, $dst|$dst, $src}", []>, TB;
4299 def VMWRITE32rm : I<0x79, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
4300 "vmwrite{l}\t{$src, $dst|$dst, $src}", []>, TB;
4301 def VMWRITE32rr : I<0x79, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4302 "vmwrite{l}\t{$src, $dst|$dst, $src}", []>, TB;
4304 def VMXOFF : I<0x01, MRM_C4, (outs), (ins), "vmxoff", []>, TB;
4305 def VMXON : I<0xC7, MRM6m, (outs), (ins i64mem:$vmxon),
4306 "vmxon\t{$vmxon}", []>, XS;
4308 //===----------------------------------------------------------------------===//
4309 // Non-Instruction Patterns
4310 //===----------------------------------------------------------------------===//
4312 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
4313 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
4314 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
4315 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
4316 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
4317 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
4318 def : Pat<(i32 (X86Wrapper tblockaddress:$dst)), (MOV32ri tblockaddress:$dst)>;
4320 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
4321 (ADD32ri GR32:$src1, tconstpool:$src2)>;
4322 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
4323 (ADD32ri GR32:$src1, tjumptable:$src2)>;
4324 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
4325 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
4326 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
4327 (ADD32ri GR32:$src1, texternalsym:$src2)>;
4328 def : Pat<(add GR32:$src1, (X86Wrapper tblockaddress:$src2)),
4329 (ADD32ri GR32:$src1, tblockaddress:$src2)>;
4331 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
4332 (MOV32mi addr:$dst, tglobaladdr:$src)>;
4333 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
4334 (MOV32mi addr:$dst, texternalsym:$src)>;
4335 def : Pat<(store (i32 (X86Wrapper tblockaddress:$src)), addr:$dst),
4336 (MOV32mi addr:$dst, tblockaddress:$src)>;
4340 def : Pat<(X86tcret GR32_TC:$dst, imm:$off),
4341 (TCRETURNri GR32_TC:$dst, imm:$off)>,
4342 Requires<[In32BitMode]>;
4344 // FIXME: This is disabled for 32-bit PIC mode because the global base
4345 // register which is part of the address mode may be assigned a
4346 // callee-saved register.
4347 def : Pat<(X86tcret (load addr:$dst), imm:$off),
4348 (TCRETURNmi addr:$dst, imm:$off)>,
4349 Requires<[In32BitMode, IsNotPIC]>;
4351 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
4352 (TCRETURNdi texternalsym:$dst, imm:$off)>,
4353 Requires<[In32BitMode]>;
4355 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
4356 (TCRETURNdi texternalsym:$dst, imm:$off)>,
4357 Requires<[In32BitMode]>;
4359 // Normal calls, with various flavors of addresses.
4360 def : Pat<(X86call (i32 tglobaladdr:$dst)),
4361 (CALLpcrel32 tglobaladdr:$dst)>;
4362 def : Pat<(X86call (i32 texternalsym:$dst)),
4363 (CALLpcrel32 texternalsym:$dst)>;
4364 def : Pat<(X86call (i32 imm:$dst)),
4365 (CALLpcrel32 imm:$dst)>, Requires<[CallImmAddr]>;
4367 // X86 specific add which produces a flag.
4368 def : Pat<(addc GR32:$src1, GR32:$src2),
4369 (ADD32rr GR32:$src1, GR32:$src2)>;
4370 def : Pat<(addc GR32:$src1, (load addr:$src2)),
4371 (ADD32rm GR32:$src1, addr:$src2)>;
4372 def : Pat<(addc GR32:$src1, imm:$src2),
4373 (ADD32ri GR32:$src1, imm:$src2)>;
4374 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
4375 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4377 def : Pat<(subc GR32:$src1, GR32:$src2),
4378 (SUB32rr GR32:$src1, GR32:$src2)>;
4379 def : Pat<(subc GR32:$src1, (load addr:$src2)),
4380 (SUB32rm GR32:$src1, addr:$src2)>;
4381 def : Pat<(subc GR32:$src1, imm:$src2),
4382 (SUB32ri GR32:$src1, imm:$src2)>;
4383 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
4384 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4388 // TEST R,R is smaller than CMP R,0
4389 def : Pat<(X86cmp GR8:$src1, 0),
4390 (TEST8rr GR8:$src1, GR8:$src1)>;
4391 def : Pat<(X86cmp GR16:$src1, 0),
4392 (TEST16rr GR16:$src1, GR16:$src1)>;
4393 def : Pat<(X86cmp GR32:$src1, 0),
4394 (TEST32rr GR32:$src1, GR32:$src1)>;
4396 // Conditional moves with folded loads with operands swapped and conditions
4398 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_B, EFLAGS),
4399 (CMOVAE16rm GR16:$src2, addr:$src1)>;
4400 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_B, EFLAGS),
4401 (CMOVAE32rm GR32:$src2, addr:$src1)>;
4402 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_AE, EFLAGS),
4403 (CMOVB16rm GR16:$src2, addr:$src1)>;
4404 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_AE, EFLAGS),
4405 (CMOVB32rm GR32:$src2, addr:$src1)>;
4406 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_E, EFLAGS),
4407 (CMOVNE16rm GR16:$src2, addr:$src1)>;
4408 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_E, EFLAGS),
4409 (CMOVNE32rm GR32:$src2, addr:$src1)>;
4410 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NE, EFLAGS),
4411 (CMOVE16rm GR16:$src2, addr:$src1)>;
4412 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NE, EFLAGS),
4413 (CMOVE32rm GR32:$src2, addr:$src1)>;
4414 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_BE, EFLAGS),
4415 (CMOVA16rm GR16:$src2, addr:$src1)>;
4416 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_BE, EFLAGS),
4417 (CMOVA32rm GR32:$src2, addr:$src1)>;
4418 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_A, EFLAGS),
4419 (CMOVBE16rm GR16:$src2, addr:$src1)>;
4420 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_A, EFLAGS),
4421 (CMOVBE32rm GR32:$src2, addr:$src1)>;
4422 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_L, EFLAGS),
4423 (CMOVGE16rm GR16:$src2, addr:$src1)>;
4424 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_L, EFLAGS),
4425 (CMOVGE32rm GR32:$src2, addr:$src1)>;
4426 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_GE, EFLAGS),
4427 (CMOVL16rm GR16:$src2, addr:$src1)>;
4428 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_GE, EFLAGS),
4429 (CMOVL32rm GR32:$src2, addr:$src1)>;
4430 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_LE, EFLAGS),
4431 (CMOVG16rm GR16:$src2, addr:$src1)>;
4432 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_LE, EFLAGS),
4433 (CMOVG32rm GR32:$src2, addr:$src1)>;
4434 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_G, EFLAGS),
4435 (CMOVLE16rm GR16:$src2, addr:$src1)>;
4436 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_G, EFLAGS),
4437 (CMOVLE32rm GR32:$src2, addr:$src1)>;
4438 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_P, EFLAGS),
4439 (CMOVNP16rm GR16:$src2, addr:$src1)>;
4440 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_P, EFLAGS),
4441 (CMOVNP32rm GR32:$src2, addr:$src1)>;
4442 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NP, EFLAGS),
4443 (CMOVP16rm GR16:$src2, addr:$src1)>;
4444 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NP, EFLAGS),
4445 (CMOVP32rm GR32:$src2, addr:$src1)>;
4446 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_S, EFLAGS),
4447 (CMOVNS16rm GR16:$src2, addr:$src1)>;
4448 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_S, EFLAGS),
4449 (CMOVNS32rm GR32:$src2, addr:$src1)>;
4450 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NS, EFLAGS),
4451 (CMOVS16rm GR16:$src2, addr:$src1)>;
4452 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NS, EFLAGS),
4453 (CMOVS32rm GR32:$src2, addr:$src1)>;
4454 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_O, EFLAGS),
4455 (CMOVNO16rm GR16:$src2, addr:$src1)>;
4456 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_O, EFLAGS),
4457 (CMOVNO32rm GR32:$src2, addr:$src1)>;
4458 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NO, EFLAGS),
4459 (CMOVO16rm GR16:$src2, addr:$src1)>;
4460 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NO, EFLAGS),
4461 (CMOVO32rm GR32:$src2, addr:$src1)>;
4463 // zextload bool -> zextload byte
4464 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
4465 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
4466 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
4468 // extload bool -> extload byte
4469 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
4470 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
4471 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
4472 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>;
4473 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
4474 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
4476 // anyext. Define these to do an explicit zero-extend to
4477 // avoid partial-register updates.
4478 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>;
4479 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>;
4480 def : Pat<(i32 (anyext GR16:$src)), (MOVZX32rr16 GR16:$src)>;
4482 //===----------------------------------------------------------------------===//
4484 //===----------------------------------------------------------------------===//
4486 // Odd encoding trick: -128 fits into an 8-bit immediate field while
4487 // +128 doesn't, so in this special case use a sub instead of an add.
4488 def : Pat<(add GR16:$src1, 128),
4489 (SUB16ri8 GR16:$src1, -128)>;
4490 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
4491 (SUB16mi8 addr:$dst, -128)>;
4492 def : Pat<(add GR32:$src1, 128),
4493 (SUB32ri8 GR32:$src1, -128)>;
4494 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
4495 (SUB32mi8 addr:$dst, -128)>;
4497 // r & (2^16-1) ==> movz
4498 def : Pat<(and GR32:$src1, 0xffff),
4499 (MOVZX32rr16 (EXTRACT_SUBREG GR32:$src1, x86_subreg_16bit))>;
4500 // r & (2^8-1) ==> movz
4501 def : Pat<(and GR32:$src1, 0xff),
4502 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src1,
4505 Requires<[In32BitMode]>;
4506 // r & (2^8-1) ==> movz
4507 def : Pat<(and GR16:$src1, 0xff),
4508 (MOVZX16rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src1,
4511 Requires<[In32BitMode]>;
4513 // sext_inreg patterns
4514 def : Pat<(sext_inreg GR32:$src, i16),
4515 (MOVSX32rr16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
4516 def : Pat<(sext_inreg GR32:$src, i8),
4517 (MOVSX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4520 Requires<[In32BitMode]>;
4521 def : Pat<(sext_inreg GR16:$src, i8),
4522 (MOVSX16rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4525 Requires<[In32BitMode]>;
4528 def : Pat<(i16 (trunc GR32:$src)),
4529 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit)>;
4530 def : Pat<(i8 (trunc GR32:$src)),
4531 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src, GR32_ABCD)),
4533 Requires<[In32BitMode]>;
4534 def : Pat<(i8 (trunc GR16:$src)),
4535 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4537 Requires<[In32BitMode]>;
4539 // h-register tricks
4540 def : Pat<(i8 (trunc (srl_su GR16:$src, (i8 8)))),
4541 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4542 x86_subreg_8bit_hi)>,
4543 Requires<[In32BitMode]>;
4544 def : Pat<(i8 (trunc (srl_su GR32:$src, (i8 8)))),
4545 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR32:$src, GR32_ABCD)),
4546 x86_subreg_8bit_hi)>,
4547 Requires<[In32BitMode]>;
4548 def : Pat<(srl GR16:$src, (i8 8)),
4551 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4552 x86_subreg_8bit_hi)),
4554 Requires<[In32BitMode]>;
4555 def : Pat<(i32 (zext (srl_su GR16:$src, (i8 8)))),
4556 (MOVZX32rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4558 x86_subreg_8bit_hi))>,
4559 Requires<[In32BitMode]>;
4560 def : Pat<(i32 (anyext (srl_su GR16:$src, (i8 8)))),
4561 (MOVZX32rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4563 x86_subreg_8bit_hi))>,
4564 Requires<[In32BitMode]>;
4565 def : Pat<(and (srl_su GR32:$src, (i8 8)), (i32 255)),
4566 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4568 x86_subreg_8bit_hi))>,
4569 Requires<[In32BitMode]>;
4571 // (shl x, 1) ==> (add x, x)
4572 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
4573 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
4574 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
4576 // (shl x (and y, 31)) ==> (shl x, y)
4577 def : Pat<(shl GR8:$src1, (and CL, 31)),
4578 (SHL8rCL GR8:$src1)>;
4579 def : Pat<(shl GR16:$src1, (and CL, 31)),
4580 (SHL16rCL GR16:$src1)>;
4581 def : Pat<(shl GR32:$src1, (and CL, 31)),
4582 (SHL32rCL GR32:$src1)>;
4583 def : Pat<(store (shl (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4584 (SHL8mCL addr:$dst)>;
4585 def : Pat<(store (shl (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4586 (SHL16mCL addr:$dst)>;
4587 def : Pat<(store (shl (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4588 (SHL32mCL addr:$dst)>;
4590 def : Pat<(srl GR8:$src1, (and CL, 31)),
4591 (SHR8rCL GR8:$src1)>;
4592 def : Pat<(srl GR16:$src1, (and CL, 31)),
4593 (SHR16rCL GR16:$src1)>;
4594 def : Pat<(srl GR32:$src1, (and CL, 31)),
4595 (SHR32rCL GR32:$src1)>;
4596 def : Pat<(store (srl (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4597 (SHR8mCL addr:$dst)>;
4598 def : Pat<(store (srl (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4599 (SHR16mCL addr:$dst)>;
4600 def : Pat<(store (srl (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4601 (SHR32mCL addr:$dst)>;
4603 def : Pat<(sra GR8:$src1, (and CL, 31)),
4604 (SAR8rCL GR8:$src1)>;
4605 def : Pat<(sra GR16:$src1, (and CL, 31)),
4606 (SAR16rCL GR16:$src1)>;
4607 def : Pat<(sra GR32:$src1, (and CL, 31)),
4608 (SAR32rCL GR32:$src1)>;
4609 def : Pat<(store (sra (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4610 (SAR8mCL addr:$dst)>;
4611 def : Pat<(store (sra (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4612 (SAR16mCL addr:$dst)>;
4613 def : Pat<(store (sra (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4614 (SAR32mCL addr:$dst)>;
4616 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
4617 def : Pat<(or (srl GR32:$src1, CL:$amt),
4618 (shl GR32:$src2, (sub 32, CL:$amt))),
4619 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
4621 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
4622 (shl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
4623 (SHRD32mrCL addr:$dst, GR32:$src2)>;
4625 def : Pat<(or (srl GR32:$src1, (i8 (trunc ECX:$amt))),
4626 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
4627 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
4629 def : Pat<(store (or (srl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
4630 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
4632 (SHRD32mrCL addr:$dst, GR32:$src2)>;
4634 def : Pat<(shrd GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm/*:$amt2*/)),
4635 (SHRD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
4637 def : Pat<(store (shrd (loadi32 addr:$dst), (i8 imm:$amt1),
4638 GR32:$src2, (i8 imm/*:$amt2*/)), addr:$dst),
4639 (SHRD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
4641 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
4642 def : Pat<(or (shl GR32:$src1, CL:$amt),
4643 (srl GR32:$src2, (sub 32, CL:$amt))),
4644 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
4646 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
4647 (srl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
4648 (SHLD32mrCL addr:$dst, GR32:$src2)>;
4650 def : Pat<(or (shl GR32:$src1, (i8 (trunc ECX:$amt))),
4651 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
4652 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
4654 def : Pat<(store (or (shl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
4655 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
4657 (SHLD32mrCL addr:$dst, GR32:$src2)>;
4659 def : Pat<(shld GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm/*:$amt2*/)),
4660 (SHLD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
4662 def : Pat<(store (shld (loadi32 addr:$dst), (i8 imm:$amt1),
4663 GR32:$src2, (i8 imm/*:$amt2*/)), addr:$dst),
4664 (SHLD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
4666 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
4667 def : Pat<(or (srl GR16:$src1, CL:$amt),
4668 (shl GR16:$src2, (sub 16, CL:$amt))),
4669 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
4671 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
4672 (shl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
4673 (SHRD16mrCL addr:$dst, GR16:$src2)>;
4675 def : Pat<(or (srl GR16:$src1, (i8 (trunc CX:$amt))),
4676 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
4677 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
4679 def : Pat<(store (or (srl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
4680 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
4682 (SHRD16mrCL addr:$dst, GR16:$src2)>;
4684 def : Pat<(shrd GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm/*:$amt2*/)),
4685 (SHRD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
4687 def : Pat<(store (shrd (loadi16 addr:$dst), (i8 imm:$amt1),
4688 GR16:$src2, (i8 imm/*:$amt2*/)), addr:$dst),
4689 (SHRD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
4691 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
4692 def : Pat<(or (shl GR16:$src1, CL:$amt),
4693 (srl GR16:$src2, (sub 16, CL:$amt))),
4694 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
4696 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
4697 (srl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
4698 (SHLD16mrCL addr:$dst, GR16:$src2)>;
4700 def : Pat<(or (shl GR16:$src1, (i8 (trunc CX:$amt))),
4701 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
4702 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
4704 def : Pat<(store (or (shl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
4705 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
4707 (SHLD16mrCL addr:$dst, GR16:$src2)>;
4709 def : Pat<(shld GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm/*:$amt2*/)),
4710 (SHLD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
4712 def : Pat<(store (shld (loadi16 addr:$dst), (i8 imm:$amt1),
4713 GR16:$src2, (i8 imm/*:$amt2*/)), addr:$dst),
4714 (SHLD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
4716 // (anyext (setcc_carry)) -> (setcc_carry)
4717 def : Pat<(i16 (anyext (i8 (X86setcc_c X86_COND_B, EFLAGS)))),
4719 def : Pat<(i32 (anyext (i8 (X86setcc_c X86_COND_B, EFLAGS)))),
4722 // (or x1, x2) -> (add x1, x2) if two operands are known not to share bits.
4723 let AddedComplexity = 5 in { // Try this before the selecting to OR
4724 def : Pat<(or_is_add GR16:$src1, imm:$src2),
4725 (ADD16ri GR16:$src1, imm:$src2)>;
4726 def : Pat<(or_is_add GR32:$src1, imm:$src2),
4727 (ADD32ri GR32:$src1, imm:$src2)>;
4728 def : Pat<(or_is_add GR16:$src1, i16immSExt8:$src2),
4729 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4730 def : Pat<(or_is_add GR32:$src1, i32immSExt8:$src2),
4731 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4732 def : Pat<(or_is_add GR16:$src1, GR16:$src2),
4733 (ADD16rr GR16:$src1, GR16:$src2)>;
4734 def : Pat<(or_is_add GR32:$src1, GR32:$src2),
4735 (ADD32rr GR32:$src1, GR32:$src2)>;
4736 } // AddedComplexity
4738 //===----------------------------------------------------------------------===//
4739 // EFLAGS-defining Patterns
4740 //===----------------------------------------------------------------------===//
4742 // Register-Register Addition with EFLAGS result
4743 def : Pat<(parallel (X86add_flag GR8:$src1, GR8:$src2),
4745 (ADD8rr GR8:$src1, GR8:$src2)>;
4746 def : Pat<(parallel (X86add_flag GR16:$src1, GR16:$src2),
4748 (ADD16rr GR16:$src1, GR16:$src2)>;
4749 def : Pat<(parallel (X86add_flag GR32:$src1, GR32:$src2),
4751 (ADD32rr GR32:$src1, GR32:$src2)>;
4753 // Register-Memory Addition with EFLAGS result
4754 def : Pat<(parallel (X86add_flag GR8:$src1, (loadi8 addr:$src2)),
4756 (ADD8rm GR8:$src1, addr:$src2)>;
4757 def : Pat<(parallel (X86add_flag GR16:$src1, (loadi16 addr:$src2)),
4759 (ADD16rm GR16:$src1, addr:$src2)>;
4760 def : Pat<(parallel (X86add_flag GR32:$src1, (loadi32 addr:$src2)),
4762 (ADD32rm GR32:$src1, addr:$src2)>;
4764 // Register-Integer Addition with EFLAGS result
4765 def : Pat<(parallel (X86add_flag GR8:$src1, imm:$src2),
4767 (ADD8ri GR8:$src1, imm:$src2)>;
4768 def : Pat<(parallel (X86add_flag GR16:$src1, imm:$src2),
4770 (ADD16ri GR16:$src1, imm:$src2)>;
4771 def : Pat<(parallel (X86add_flag GR32:$src1, imm:$src2),
4773 (ADD32ri GR32:$src1, imm:$src2)>;
4774 def : Pat<(parallel (X86add_flag GR16:$src1, i16immSExt8:$src2),
4776 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4777 def : Pat<(parallel (X86add_flag GR32:$src1, i32immSExt8:$src2),
4779 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4781 // Register-Register Subtraction with EFLAGS result
4782 def : Pat<(parallel (X86sub_flag GR8:$src1, GR8:$src2),
4784 (SUB8rr GR8:$src1, GR8:$src2)>;
4785 def : Pat<(parallel (X86sub_flag GR16:$src1, GR16:$src2),
4787 (SUB16rr GR16:$src1, GR16:$src2)>;
4788 def : Pat<(parallel (X86sub_flag GR32:$src1, GR32:$src2),
4790 (SUB32rr GR32:$src1, GR32:$src2)>;
4792 // Register-Memory Subtraction with EFLAGS result
4793 def : Pat<(parallel (X86sub_flag GR8:$src1, (loadi8 addr:$src2)),
4795 (SUB8rm GR8:$src1, addr:$src2)>;
4796 def : Pat<(parallel (X86sub_flag GR16:$src1, (loadi16 addr:$src2)),
4798 (SUB16rm GR16:$src1, addr:$src2)>;
4799 def : Pat<(parallel (X86sub_flag GR32:$src1, (loadi32 addr:$src2)),
4801 (SUB32rm GR32:$src1, addr:$src2)>;
4803 // Register-Integer Subtraction with EFLAGS result
4804 def : Pat<(parallel (X86sub_flag GR8:$src1, imm:$src2),
4806 (SUB8ri GR8:$src1, imm:$src2)>;
4807 def : Pat<(parallel (X86sub_flag GR16:$src1, imm:$src2),
4809 (SUB16ri GR16:$src1, imm:$src2)>;
4810 def : Pat<(parallel (X86sub_flag GR32:$src1, imm:$src2),
4812 (SUB32ri GR32:$src1, imm:$src2)>;
4813 def : Pat<(parallel (X86sub_flag GR16:$src1, i16immSExt8:$src2),
4815 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
4816 def : Pat<(parallel (X86sub_flag GR32:$src1, i32immSExt8:$src2),
4818 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4820 // Register-Register Signed Integer Multiply with EFLAGS result
4821 def : Pat<(parallel (X86smul_flag GR16:$src1, GR16:$src2),
4823 (IMUL16rr GR16:$src1, GR16:$src2)>;
4824 def : Pat<(parallel (X86smul_flag GR32:$src1, GR32:$src2),
4826 (IMUL32rr GR32:$src1, GR32:$src2)>;
4828 // Register-Memory Signed Integer Multiply with EFLAGS result
4829 def : Pat<(parallel (X86smul_flag GR16:$src1, (loadi16 addr:$src2)),
4831 (IMUL16rm GR16:$src1, addr:$src2)>;
4832 def : Pat<(parallel (X86smul_flag GR32:$src1, (loadi32 addr:$src2)),
4834 (IMUL32rm GR32:$src1, addr:$src2)>;
4836 // Register-Integer Signed Integer Multiply with EFLAGS result
4837 def : Pat<(parallel (X86smul_flag GR16:$src1, imm:$src2),
4839 (IMUL16rri GR16:$src1, imm:$src2)>;
4840 def : Pat<(parallel (X86smul_flag GR32:$src1, imm:$src2),
4842 (IMUL32rri GR32:$src1, imm:$src2)>;
4843 def : Pat<(parallel (X86smul_flag GR16:$src1, i16immSExt8:$src2),
4845 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
4846 def : Pat<(parallel (X86smul_flag GR32:$src1, i32immSExt8:$src2),
4848 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
4850 // Memory-Integer Signed Integer Multiply with EFLAGS result
4851 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), imm:$src2),
4853 (IMUL16rmi addr:$src1, imm:$src2)>;
4854 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), imm:$src2),
4856 (IMUL32rmi addr:$src1, imm:$src2)>;
4857 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), i16immSExt8:$src2),
4859 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
4860 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), i32immSExt8:$src2),
4862 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
4864 // Optimize multiply by 2 with EFLAGS result.
4865 let AddedComplexity = 2 in {
4866 def : Pat<(parallel (X86smul_flag GR16:$src1, 2),
4868 (ADD16rr GR16:$src1, GR16:$src1)>;
4870 def : Pat<(parallel (X86smul_flag GR32:$src1, 2),
4872 (ADD32rr GR32:$src1, GR32:$src1)>;
4875 // Patterns for nodes that do not produce flags, for instructions that do.
4878 def : Pat<(add GR8:$src , 1), (INC8r GR8:$src)>;
4879 def : Pat<(add GR16:$src, 1), (INC16r GR16:$src)>, Requires<[In32BitMode]>;
4880 def : Pat<(add GR32:$src, 1), (INC32r GR32:$src)>, Requires<[In32BitMode]>;
4883 def : Pat<(add GR8:$src , -1), (DEC8r GR8:$src)>;
4884 def : Pat<(add GR16:$src, -1), (DEC16r GR16:$src)>, Requires<[In32BitMode]>;
4885 def : Pat<(add GR32:$src, -1), (DEC32r GR32:$src)>, Requires<[In32BitMode]>;
4888 def : Pat<(or GR8 :$src1, GR8 :$src2), (OR8rr GR8 :$src1, GR8 :$src2)>;
4889 def : Pat<(or GR16:$src1, GR16:$src2), (OR16rr GR16:$src1, GR16:$src2)>;
4890 def : Pat<(or GR32:$src1, GR32:$src2), (OR32rr GR32:$src1, GR32:$src2)>;
4893 def : Pat<(or GR8:$src1, (loadi8 addr:$src2)),
4894 (OR8rm GR8:$src1, addr:$src2)>;
4895 def : Pat<(or GR16:$src1, (loadi16 addr:$src2)),
4896 (OR16rm GR16:$src1, addr:$src2)>;
4897 def : Pat<(or GR32:$src1, (loadi32 addr:$src2)),
4898 (OR32rm GR32:$src1, addr:$src2)>;
4901 def : Pat<(or GR8:$src1 , imm:$src2), (OR8ri GR8 :$src1, imm:$src2)>;
4902 def : Pat<(or GR16:$src1, imm:$src2), (OR16ri GR16:$src1, imm:$src2)>;
4903 def : Pat<(or GR32:$src1, imm:$src2), (OR32ri GR32:$src1, imm:$src2)>;
4904 def : Pat<(or GR16:$src1, i16immSExt8:$src2),
4905 (OR16ri8 GR16:$src1, i16immSExt8:$src2)>;
4906 def : Pat<(or GR32:$src1, i32immSExt8:$src2),
4907 (OR32ri8 GR32:$src1, i32immSExt8:$src2)>;
4910 def : Pat<(xor GR8 :$src1, GR8 :$src2), (XOR8rr GR8 :$src1, GR8 :$src2)>;
4911 def : Pat<(xor GR16:$src1, GR16:$src2), (XOR16rr GR16:$src1, GR16:$src2)>;
4912 def : Pat<(xor GR32:$src1, GR32:$src2), (XOR32rr GR32:$src1, GR32:$src2)>;
4915 def : Pat<(xor GR8:$src1, (loadi8 addr:$src2)),
4916 (XOR8rm GR8:$src1, addr:$src2)>;
4917 def : Pat<(xor GR16:$src1, (loadi16 addr:$src2)),
4918 (XOR16rm GR16:$src1, addr:$src2)>;
4919 def : Pat<(xor GR32:$src1, (loadi32 addr:$src2)),
4920 (XOR32rm GR32:$src1, addr:$src2)>;
4923 def : Pat<(xor GR8:$src1, imm:$src2),
4924 (XOR8ri GR8:$src1, imm:$src2)>;
4925 def : Pat<(xor GR16:$src1, imm:$src2),
4926 (XOR16ri GR16:$src1, imm:$src2)>;
4927 def : Pat<(xor GR32:$src1, imm:$src2),
4928 (XOR32ri GR32:$src1, imm:$src2)>;
4929 def : Pat<(xor GR16:$src1, i16immSExt8:$src2),
4930 (XOR16ri8 GR16:$src1, i16immSExt8:$src2)>;
4931 def : Pat<(xor GR32:$src1, i32immSExt8:$src2),
4932 (XOR32ri8 GR32:$src1, i32immSExt8:$src2)>;
4935 def : Pat<(and GR8 :$src1, GR8 :$src2), (AND8rr GR8 :$src1, GR8 :$src2)>;
4936 def : Pat<(and GR16:$src1, GR16:$src2), (AND16rr GR16:$src1, GR16:$src2)>;
4937 def : Pat<(and GR32:$src1, GR32:$src2), (AND32rr GR32:$src1, GR32:$src2)>;
4940 def : Pat<(and GR8:$src1, (loadi8 addr:$src2)),
4941 (AND8rm GR8:$src1, addr:$src2)>;
4942 def : Pat<(and GR16:$src1, (loadi16 addr:$src2)),
4943 (AND16rm GR16:$src1, addr:$src2)>;
4944 def : Pat<(and GR32:$src1, (loadi32 addr:$src2)),
4945 (AND32rm GR32:$src1, addr:$src2)>;
4948 def : Pat<(and GR8:$src1, imm:$src2),
4949 (AND8ri GR8:$src1, imm:$src2)>;
4950 def : Pat<(and GR16:$src1, imm:$src2),
4951 (AND16ri GR16:$src1, imm:$src2)>;
4952 def : Pat<(and GR32:$src1, imm:$src2),
4953 (AND32ri GR32:$src1, imm:$src2)>;
4954 def : Pat<(and GR16:$src1, i16immSExt8:$src2),
4955 (AND16ri8 GR16:$src1, i16immSExt8:$src2)>;
4956 def : Pat<(and GR32:$src1, i32immSExt8:$src2),
4957 (AND32ri8 GR32:$src1, i32immSExt8:$src2)>;
4959 // -disable-16bit support.
4960 def : Pat<(truncstorei16 (i16 imm:$src), addr:$dst),
4961 (MOV16mi addr:$dst, imm:$src)>;
4962 def : Pat<(truncstorei16 GR32:$src, addr:$dst),
4963 (MOV16mr addr:$dst, (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
4964 def : Pat<(i32 (sextloadi16 addr:$dst)),
4965 (MOVSX32rm16 addr:$dst)>;
4966 def : Pat<(i32 (zextloadi16 addr:$dst)),
4967 (MOVZX32rm16 addr:$dst)>;
4968 def : Pat<(i32 (extloadi16 addr:$dst)),
4969 (MOVZX32rm16 addr:$dst)>;
4971 //===----------------------------------------------------------------------===//
4972 // Floating Point Stack Support
4973 //===----------------------------------------------------------------------===//
4975 include "X86InstrFPStack.td"
4977 //===----------------------------------------------------------------------===//
4979 //===----------------------------------------------------------------------===//
4981 include "X86Instr64bit.td"
4983 //===----------------------------------------------------------------------===//
4984 // SIMD support (SSE, MMX and AVX)
4985 //===----------------------------------------------------------------------===//
4987 include "X86InstrFragmentsSIMD.td"
4989 //===----------------------------------------------------------------------===//
4990 // XMM Floating point support (requires SSE / SSE2)
4991 //===----------------------------------------------------------------------===//
4993 include "X86InstrSSE.td"
4995 //===----------------------------------------------------------------------===//
4996 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
4997 //===----------------------------------------------------------------------===//
4999 include "X86InstrMMX.td"