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", SDTUnaryArithWithFlags>;
82 def X86bsr : SDNode<"X86ISD::BSR", SDTUnaryArithWithFlags>;
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 X86NoSegMemAsmOperand : AsmOperandClass {
201 let Name = "NoSegMem";
202 let SuperClass = X86MemAsmOperand;
204 def X86AbsMemAsmOperand : AsmOperandClass {
206 let SuperClass = X86NoSegMemAsmOperand;
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 ImmSExt32AsmOperand : AsmOperandClass {
274 let Name = "ImmSExt32";
275 let SuperClass = ImmAsmOperand;
278 def ImmSExt8AsmOperand : AsmOperandClass {
279 let Name = "ImmSExt8";
280 let SuperClass = ImmSExt32AsmOperand;
283 // A couple of more descriptive operand definitions.
284 // 16-bits but only 8 bits are significant.
285 def i16i8imm : Operand<i16> {
286 let ParserMatchClass = ImmSExt8AsmOperand;
288 // 32-bits but only 8 bits are significant.
289 def i32i8imm : Operand<i32> {
290 let ParserMatchClass = ImmSExt8AsmOperand;
293 //===----------------------------------------------------------------------===//
294 // X86 Complex Pattern Definitions.
297 // Define X86 specific addressing mode.
298 def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], []>;
299 def lea32addr : ComplexPattern<i32, 4, "SelectLEAAddr",
300 [add, sub, mul, X86mul_imm, shl, or, frameindex],
302 def tls32addr : ComplexPattern<i32, 4, "SelectTLSADDRAddr",
303 [tglobaltlsaddr], []>;
305 //===----------------------------------------------------------------------===//
306 // X86 Instruction Predicate Definitions.
307 def HasCMov : Predicate<"Subtarget->hasCMov()">;
308 def NoCMov : Predicate<"!Subtarget->hasCMov()">;
309 def HasMMX : Predicate<"Subtarget->hasMMX()">;
310 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
311 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
312 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
313 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
314 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
315 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
316 def HasSSE4A : Predicate<"Subtarget->hasSSE4A()">;
317 def HasAVX : Predicate<"Subtarget->hasAVX()">;
318 def HasFMA3 : Predicate<"Subtarget->hasFMA3()">;
319 def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
320 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
321 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
322 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
323 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
324 def IsWin64 : Predicate<"Subtarget->isTargetWin64()">;
325 def NotWin64 : Predicate<"!Subtarget->isTargetWin64()">;
326 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
327 def KernelCode : Predicate<"TM.getCodeModel() == CodeModel::Kernel">;
328 def FarData : Predicate<"TM.getCodeModel() != CodeModel::Small &&"
329 "TM.getCodeModel() != CodeModel::Kernel">;
330 def NearData : Predicate<"TM.getCodeModel() == CodeModel::Small ||"
331 "TM.getCodeModel() == CodeModel::Kernel">;
332 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
333 def IsNotPIC : Predicate<"TM.getRelocationModel() != Reloc::PIC_">;
334 def OptForSize : Predicate<"OptForSize">;
335 def OptForSpeed : Predicate<"!OptForSize">;
336 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
337 def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
338 def HasAES : Predicate<"Subtarget->hasAES()">;
340 //===----------------------------------------------------------------------===//
341 // X86 Instruction Format Definitions.
344 include "X86InstrFormats.td"
346 //===----------------------------------------------------------------------===//
347 // Pattern fragments...
350 // X86 specific condition code. These correspond to CondCode in
351 // X86InstrInfo.h. They must be kept in synch.
352 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
353 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
354 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
355 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
356 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
357 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
358 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
359 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
360 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
361 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
362 def X86_COND_NO : PatLeaf<(i8 10)>;
363 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
364 def X86_COND_NS : PatLeaf<(i8 12)>;
365 def X86_COND_O : PatLeaf<(i8 13)>;
366 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
367 def X86_COND_S : PatLeaf<(i8 15)>;
369 def immSext8 : PatLeaf<(imm), [{
370 return N->getSExtValue() == (int8_t)N->getSExtValue();
373 def i16immSExt8 : PatLeaf<(i16 immSext8)>;
374 def i32immSExt8 : PatLeaf<(i32 immSext8)>;
376 /// Load patterns: these constraint the match to the right address space.
377 def dsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
378 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
379 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
380 if (PT->getAddressSpace() > 255)
385 def gsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
386 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
387 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
388 return PT->getAddressSpace() == 256;
392 def fsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
393 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
394 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
395 return PT->getAddressSpace() == 257;
400 // Helper fragments for loads.
401 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
402 // known to be 32-bit aligned or better. Ditto for i8 to i16.
403 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
404 LoadSDNode *LD = cast<LoadSDNode>(N);
405 if (const Value *Src = LD->getSrcValue())
406 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
407 if (PT->getAddressSpace() > 255)
409 ISD::LoadExtType ExtType = LD->getExtensionType();
410 if (ExtType == ISD::NON_EXTLOAD)
412 if (ExtType == ISD::EXTLOAD)
413 return LD->getAlignment() >= 2 && !LD->isVolatile();
417 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)),[{
418 LoadSDNode *LD = cast<LoadSDNode>(N);
419 if (const Value *Src = LD->getSrcValue())
420 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
421 if (PT->getAddressSpace() > 255)
423 ISD::LoadExtType ExtType = LD->getExtensionType();
424 if (ExtType == ISD::EXTLOAD)
425 return LD->getAlignment() >= 2 && !LD->isVolatile();
429 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
430 LoadSDNode *LD = cast<LoadSDNode>(N);
431 if (const Value *Src = LD->getSrcValue())
432 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
433 if (PT->getAddressSpace() > 255)
435 ISD::LoadExtType ExtType = LD->getExtensionType();
436 if (ExtType == ISD::NON_EXTLOAD)
438 if (ExtType == ISD::EXTLOAD)
439 return LD->getAlignment() >= 4 && !LD->isVolatile();
443 def loadi8 : PatFrag<(ops node:$ptr), (i8 (dsload node:$ptr))>;
444 def loadi64 : PatFrag<(ops node:$ptr), (i64 (dsload node:$ptr))>;
445 def loadf32 : PatFrag<(ops node:$ptr), (f32 (dsload node:$ptr))>;
446 def loadf64 : PatFrag<(ops node:$ptr), (f64 (dsload node:$ptr))>;
447 def loadf80 : PatFrag<(ops node:$ptr), (f80 (dsload node:$ptr))>;
449 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
450 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
451 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
453 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
454 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
455 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
456 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
457 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
458 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
460 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
461 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
462 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
463 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
464 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
465 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
468 // An 'and' node with a single use.
469 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
470 return N->hasOneUse();
472 // An 'srl' node with a single use.
473 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
474 return N->hasOneUse();
476 // An 'trunc' node with a single use.
477 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
478 return N->hasOneUse();
481 // Treat an 'or' node is as an 'add' if the or'ed bits are known to be zero.
482 def or_is_add : PatFrag<(ops node:$lhs, node:$rhs), (or node:$lhs, node:$rhs),[{
483 if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N->getOperand(1)))
484 return CurDAG->MaskedValueIsZero(N->getOperand(0), CN->getAPIntValue());
486 unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits();
487 APInt Mask = APInt::getAllOnesValue(BitWidth);
488 APInt KnownZero0, KnownOne0;
489 CurDAG->ComputeMaskedBits(N->getOperand(0), Mask, KnownZero0, KnownOne0, 0);
490 APInt KnownZero1, KnownOne1;
491 CurDAG->ComputeMaskedBits(N->getOperand(1), Mask, KnownZero1, KnownOne1, 0);
492 return (~KnownZero0 & ~KnownZero1) == 0;
495 //===----------------------------------------------------------------------===//
496 // Instruction list...
499 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
500 // a stack adjustment and the codegen must know that they may modify the stack
501 // pointer before prolog-epilog rewriting occurs.
502 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
503 // sub / add which can clobber EFLAGS.
504 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
505 def ADJCALLSTACKDOWN32 : I<0, Pseudo, (outs), (ins i32imm:$amt),
507 [(X86callseq_start timm:$amt)]>,
508 Requires<[In32BitMode]>;
509 def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
511 [(X86callseq_end timm:$amt1, timm:$amt2)]>,
512 Requires<[In32BitMode]>;
515 // x86-64 va_start lowering magic.
516 let usesCustomInserter = 1 in {
517 def VASTART_SAVE_XMM_REGS : I<0, Pseudo,
520 i64imm:$regsavefi, i64imm:$offset,
522 "#VASTART_SAVE_XMM_REGS $al, $regsavefi, $offset",
523 [(X86vastart_save_xmm_regs GR8:$al,
527 // Dynamic stack allocation yields _alloca call for Cygwin/Mingw targets. Calls
528 // to _alloca is needed to probe the stack when allocating more than 4k bytes in
529 // one go. Touching the stack at 4K increments is necessary to ensure that the
530 // guard pages used by the OS virtual memory manager are allocated in correct
532 // The main point of having separate instruction are extra unmodelled effects
533 // (compared to ordinary calls) like stack pointer change.
535 def MINGW_ALLOCA : I<0, Pseudo, (outs), (ins),
536 "# dynamic stack allocation",
541 let neverHasSideEffects = 1 in {
542 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
543 def NOOPW : I<0x1f, MRM0m, (outs), (ins i16mem:$zero),
544 "nop{w}\t$zero", []>, TB, OpSize;
545 def NOOPL : I<0x1f, MRM0m, (outs), (ins i32mem:$zero),
546 "nop{l}\t$zero", []>, TB;
550 def INTO : I<0xce, RawFrm, (outs), (ins), "into", []>;
551 def INT3 : I<0xcc, RawFrm, (outs), (ins), "int3", []>;
552 // FIXME: need to make sure that "int $3" matches int3
553 def INT : Ii8<0xcd, RawFrm, (outs), (ins i8imm:$trap), "int\t$trap", []>;
554 def IRET16 : I<0xcf, RawFrm, (outs), (ins), "iret{w}", []>, OpSize;
555 def IRET32 : I<0xcf, RawFrm, (outs), (ins), "iret{l}", []>;
557 // PIC base construction. This expands to code that looks like this:
560 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
561 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins i32imm:$label),
564 //===----------------------------------------------------------------------===//
565 // Control Flow Instructions.
568 // Return instructions.
569 let isTerminator = 1, isReturn = 1, isBarrier = 1,
570 hasCtrlDep = 1, FPForm = SpecialFP in {
571 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
574 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
576 [(X86retflag timm:$amt)]>;
577 def LRET : I <0xCB, RawFrm, (outs), (ins),
579 def LRETI : Ii16<0xCA, RawFrm, (outs), (ins i16imm:$amt),
583 // Unconditional branches.
584 let isBarrier = 1, isBranch = 1, isTerminator = 1 in {
585 def JMP_4 : Ii32PCRel<0xE9, RawFrm, (outs), (ins brtarget:$dst),
586 "jmp\t$dst", [(br bb:$dst)]>;
587 def JMP_1 : Ii8PCRel<0xEB, RawFrm, (outs), (ins brtarget8:$dst),
591 // Conditional Branches.
592 let isBranch = 1, isTerminator = 1, Uses = [EFLAGS] in {
593 multiclass ICBr<bits<8> opc1, bits<8> opc4, string asm, PatFrag Cond> {
594 def _1 : Ii8PCRel <opc1, RawFrm, (outs), (ins brtarget8:$dst), asm, []>;
595 def _4 : Ii32PCRel<opc4, RawFrm, (outs), (ins brtarget:$dst), asm,
596 [(X86brcond bb:$dst, Cond, EFLAGS)]>, TB;
600 defm JO : ICBr<0x70, 0x80, "jo\t$dst" , X86_COND_O>;
601 defm JNO : ICBr<0x71, 0x81, "jno\t$dst" , X86_COND_NO>;
602 defm JB : ICBr<0x72, 0x82, "jb\t$dst" , X86_COND_B>;
603 defm JAE : ICBr<0x73, 0x83, "jae\t$dst", X86_COND_AE>;
604 defm JE : ICBr<0x74, 0x84, "je\t$dst" , X86_COND_E>;
605 defm JNE : ICBr<0x75, 0x85, "jne\t$dst", X86_COND_NE>;
606 defm JBE : ICBr<0x76, 0x86, "jbe\t$dst", X86_COND_BE>;
607 defm JA : ICBr<0x77, 0x87, "ja\t$dst" , X86_COND_A>;
608 defm JS : ICBr<0x78, 0x88, "js\t$dst" , X86_COND_S>;
609 defm JNS : ICBr<0x79, 0x89, "jns\t$dst", X86_COND_NS>;
610 defm JP : ICBr<0x7A, 0x8A, "jp\t$dst" , X86_COND_P>;
611 defm JNP : ICBr<0x7B, 0x8B, "jnp\t$dst", X86_COND_NP>;
612 defm JL : ICBr<0x7C, 0x8C, "jl\t$dst" , X86_COND_L>;
613 defm JGE : ICBr<0x7D, 0x8D, "jge\t$dst", X86_COND_GE>;
614 defm JLE : ICBr<0x7E, 0x8E, "jle\t$dst", X86_COND_LE>;
615 defm JG : ICBr<0x7F, 0x8F, "jg\t$dst" , X86_COND_G>;
617 // FIXME: What about the CX/RCX versions of this instruction?
618 let Uses = [ECX], isBranch = 1, isTerminator = 1 in
619 def JCXZ8 : Ii8PCRel<0xE3, RawFrm, (outs), (ins brtarget8:$dst),
624 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
625 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
626 [(brind GR32:$dst)]>;
627 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
628 [(brind (loadi32 addr:$dst))]>;
630 def FARJMP16i : Iseg16<0xEA, RawFrm, (outs),
631 (ins i16imm:$seg, i16imm:$off),
632 "ljmp{w}\t$seg, $off", []>, OpSize;
633 def FARJMP32i : Iseg32<0xEA, RawFrm, (outs),
634 (ins i16imm:$seg, i32imm:$off),
635 "ljmp{l}\t$seg, $off", []>;
637 def FARJMP16m : I<0xFF, MRM5m, (outs), (ins opaque32mem:$dst),
638 "ljmp{w}\t{*}$dst", []>, OpSize;
639 def FARJMP32m : I<0xFF, MRM5m, (outs), (ins opaque48mem:$dst),
640 "ljmp{l}\t{*}$dst", []>;
646 def LOOP : I<0xE2, RawFrm, (outs), (ins brtarget8:$dst), "loop\t$dst", []>;
647 def LOOPE : I<0xE1, RawFrm, (outs), (ins brtarget8:$dst), "loope\t$dst", []>;
648 def LOOPNE : I<0xE0, RawFrm, (outs), (ins brtarget8:$dst), "loopne\t$dst", []>;
650 //===----------------------------------------------------------------------===//
651 // Call Instructions...
654 // All calls clobber the non-callee saved registers. ESP is marked as
655 // a use to prevent stack-pointer assignments that appear immediately
656 // before calls from potentially appearing dead. Uses for argument
657 // registers are added manually.
658 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
659 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
660 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
661 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
663 def CALLpcrel32 : Ii32PCRel<0xE8, RawFrm,
664 (outs), (ins i32imm_pcrel:$dst,variable_ops),
666 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
667 "call\t{*}$dst", [(X86call GR32:$dst)]>;
668 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
669 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
671 def FARCALL16i : Iseg16<0x9A, RawFrm, (outs),
672 (ins i16imm:$seg, i16imm:$off),
673 "lcall{w}\t$seg, $off", []>, OpSize;
674 def FARCALL32i : Iseg32<0x9A, RawFrm, (outs),
675 (ins i16imm:$seg, i32imm:$off),
676 "lcall{l}\t$seg, $off", []>;
678 def FARCALL16m : I<0xFF, MRM3m, (outs), (ins opaque32mem:$dst),
679 "lcall{w}\t{*}$dst", []>, OpSize;
680 def FARCALL32m : I<0xFF, MRM3m, (outs), (ins opaque48mem:$dst),
681 "lcall{l}\t{*}$dst", []>;
684 // Constructing a stack frame.
686 def ENTER : I<0xC8, RawFrm, (outs), (ins i16imm:$len, i8imm:$lvl),
687 "enter\t$len, $lvl", []>;
691 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
692 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
693 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
694 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
695 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
697 def TCRETURNdi : I<0, Pseudo, (outs),
698 (ins i32imm_pcrel:$dst, i32imm:$offset, variable_ops),
699 "#TC_RETURN $dst $offset", []>;
700 def TCRETURNri : I<0, Pseudo, (outs),
701 (ins GR32_TC:$dst, i32imm:$offset, variable_ops),
702 "#TC_RETURN $dst $offset", []>;
704 def TCRETURNmi : I<0, Pseudo, (outs),
705 (ins i32mem_TC:$dst, i32imm:$offset, variable_ops),
706 "#TC_RETURN $dst $offset", []>;
708 // FIXME: The should be pseudo instructions that are lowered when going to
710 def TAILJMPd : Ii32PCRel<0xE9, RawFrm, (outs),
711 (ins i32imm_pcrel:$dst, variable_ops),
712 "jmp\t$dst # TAILCALL",
714 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32_TC:$dst, variable_ops),
715 "jmp{l}\t{*}$dst # TAILCALL",
718 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem_TC:$dst, variable_ops),
719 "jmp{l}\t{*}$dst # TAILCALL", []>;
721 // FIXME: This is a hack so that MCInst lowering can preserve the TAILCALL
722 // marker on instructions, while still being able to relax.
723 let isCodeGenOnly = 1 in {
724 def TAILJMP_1 : Ii8PCRel<0xEB, RawFrm, (outs), (ins brtarget8:$dst),
725 "jmp\t$dst # TAILCALL", []>;
729 //===----------------------------------------------------------------------===//
730 // Miscellaneous Instructions...
732 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
733 def LEAVE : I<0xC9, RawFrm,
734 (outs), (ins), "leave", []>;
736 def POPCNT16rr : I<0xB8, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
737 "popcnt{w}\t{$src, $dst|$dst, $src}", []>, OpSize, XS;
739 def POPCNT16rm : I<0xB8, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
740 "popcnt{w}\t{$src, $dst|$dst, $src}", []>, OpSize, XS;
741 def POPCNT32rr : I<0xB8, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
742 "popcnt{l}\t{$src, $dst|$dst, $src}", []>, XS;
744 def POPCNT32rm : I<0xB8, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
745 "popcnt{l}\t{$src, $dst|$dst, $src}", []>, XS;
747 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
749 def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
751 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
752 def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
754 def POP16rmm: I<0x8F, MRM0m, (outs i16mem:$dst), (ins), "pop{w}\t$dst", []>,
756 def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
757 def POP32rmm: I<0x8F, MRM0m, (outs i32mem:$dst), (ins), "pop{l}\t$dst", []>;
760 let mayStore = 1 in {
761 def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
763 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
764 def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
766 def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[]>,
768 def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
769 def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[]>;
773 let Defs = [ESP], Uses = [ESP], neverHasSideEffects = 1, mayStore = 1 in {
774 def PUSHi8 : Ii8<0x6a, RawFrm, (outs), (ins i32i8imm:$imm),
775 "push{l}\t$imm", []>;
776 def PUSHi16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
777 "push{w}\t$imm", []>, OpSize;
778 def PUSHi32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
779 "push{l}\t$imm", []>;
782 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in {
783 def POPF16 : I<0x9D, RawFrm, (outs), (ins), "popf{w}", []>, OpSize;
784 def POPF32 : I<0x9D, RawFrm, (outs), (ins), "popf{l|d}", []>,
785 Requires<[In32BitMode]>;
787 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in {
788 def PUSHF16 : I<0x9C, RawFrm, (outs), (ins), "pushf{w}", []>, OpSize;
789 def PUSHF32 : I<0x9C, RawFrm, (outs), (ins), "pushf{l|d}", []>,
790 Requires<[In32BitMode]>;
793 let isTwoAddress = 1 in // GR32 = bswap GR32
794 def BSWAP32r : I<0xC8, AddRegFrm,
795 (outs GR32:$dst), (ins GR32:$src),
797 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
800 // Bit scan instructions.
801 let Defs = [EFLAGS] in {
802 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
803 "bsf{w}\t{$src, $dst|$dst, $src}",
804 [(set GR16:$dst, EFLAGS, (X86bsf GR16:$src))]>, TB, OpSize;
805 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
806 "bsf{w}\t{$src, $dst|$dst, $src}",
807 [(set GR16:$dst, EFLAGS, (X86bsf (loadi16 addr:$src)))]>, TB,
809 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
810 "bsf{l}\t{$src, $dst|$dst, $src}",
811 [(set GR32:$dst, EFLAGS, (X86bsf GR32:$src))]>, TB;
812 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
813 "bsf{l}\t{$src, $dst|$dst, $src}",
814 [(set GR32:$dst, EFLAGS, (X86bsf (loadi32 addr:$src)))]>, TB;
816 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
817 "bsr{w}\t{$src, $dst|$dst, $src}",
818 [(set GR16:$dst, EFLAGS, (X86bsr GR16:$src))]>, TB, OpSize;
819 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
820 "bsr{w}\t{$src, $dst|$dst, $src}",
821 [(set GR16:$dst, EFLAGS, (X86bsr (loadi16 addr:$src)))]>, TB,
823 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
824 "bsr{l}\t{$src, $dst|$dst, $src}",
825 [(set GR32:$dst, EFLAGS, (X86bsr GR32:$src))]>, TB;
826 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
827 "bsr{l}\t{$src, $dst|$dst, $src}",
828 [(set GR32:$dst, EFLAGS, (X86bsr (loadi32 addr:$src)))]>, TB;
831 let neverHasSideEffects = 1 in
832 def LEA16r : I<0x8D, MRMSrcMem,
833 (outs GR16:$dst), (ins lea32mem:$src),
834 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
835 let isReMaterializable = 1 in
836 def LEA32r : I<0x8D, MRMSrcMem,
837 (outs GR32:$dst), (ins lea32mem:$src),
838 "lea{l}\t{$src|$dst}, {$dst|$src}",
839 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
841 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI], isCodeGenOnly = 1 in {
842 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
843 [(X86rep_movs i8)]>, REP;
844 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
845 [(X86rep_movs i16)]>, REP, OpSize;
846 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
847 [(X86rep_movs i32)]>, REP;
850 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
851 let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in {
852 def MOVSB : I<0xA4, RawFrm, (outs), (ins), "{movsb}", []>;
853 def MOVSW : I<0xA5, RawFrm, (outs), (ins), "{movsw}", []>, OpSize;
854 def MOVSD : I<0xA5, RawFrm, (outs), (ins), "{movsl|movsd}", []>;
857 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI], isCodeGenOnly = 1 in
858 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
859 [(X86rep_stos i8)]>, REP;
860 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI], isCodeGenOnly = 1 in
861 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
862 [(X86rep_stos i16)]>, REP, OpSize;
863 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI], isCodeGenOnly = 1 in
864 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
865 [(X86rep_stos i32)]>, REP;
867 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
868 let Defs = [EDI], Uses = [AL,EDI,EFLAGS] in
869 def STOSB : I<0xAA, RawFrm, (outs), (ins), "{stosb}", []>;
870 let Defs = [EDI], Uses = [AX,EDI,EFLAGS] in
871 def STOSW : I<0xAB, RawFrm, (outs), (ins), "{stosw}", []>, OpSize;
872 let Defs = [EDI], Uses = [EAX,EDI,EFLAGS] in
873 def STOSD : I<0xAB, RawFrm, (outs), (ins), "{stosl|stosd}", []>;
875 def SCAS8 : I<0xAE, RawFrm, (outs), (ins), "scas{b}", []>;
876 def SCAS16 : I<0xAF, RawFrm, (outs), (ins), "scas{w}", []>, OpSize;
877 def SCAS32 : I<0xAF, RawFrm, (outs), (ins), "scas{l}", []>;
879 def CMPS8 : I<0xA6, RawFrm, (outs), (ins), "cmps{b}", []>;
880 def CMPS16 : I<0xA7, RawFrm, (outs), (ins), "cmps{w}", []>, OpSize;
881 def CMPS32 : I<0xA7, RawFrm, (outs), (ins), "cmps{l}", []>;
883 let Defs = [RAX, RDX] in
884 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
887 let Defs = [RAX, RCX, RDX] in
888 def RDTSCP : I<0x01, MRM_F9, (outs), (ins), "rdtscp", []>, TB;
890 let isTerminator = 1, isBarrier = 1, hasCtrlDep = 1 in {
891 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
894 def SYSCALL : I<0x05, RawFrm,
895 (outs), (ins), "syscall", []>, TB;
896 def SYSRET : I<0x07, RawFrm,
897 (outs), (ins), "sysret", []>, TB;
898 def SYSENTER : I<0x34, RawFrm,
899 (outs), (ins), "sysenter", []>, TB;
900 def SYSEXIT : I<0x35, RawFrm,
901 (outs), (ins), "sysexit", []>, TB;
903 def WAIT : I<0x9B, RawFrm, (outs), (ins), "wait", []>;
906 //===----------------------------------------------------------------------===//
907 // Input/Output Instructions...
909 let Defs = [AL], Uses = [DX] in
910 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
911 "in{b}\t{%dx, %al|%AL, %DX}", []>;
912 let Defs = [AX], Uses = [DX] in
913 def IN16rr : I<0xED, RawFrm, (outs), (ins),
914 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
915 let Defs = [EAX], Uses = [DX] in
916 def IN32rr : I<0xED, RawFrm, (outs), (ins),
917 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
920 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i16i8imm:$port),
921 "in{b}\t{$port, %al|%AL, $port}", []>;
923 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
924 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
926 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
927 "in{l}\t{$port, %eax|%EAX, $port}", []>;
929 let Uses = [DX, AL] in
930 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
931 "out{b}\t{%al, %dx|%DX, %AL}", []>;
932 let Uses = [DX, AX] in
933 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
934 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
935 let Uses = [DX, EAX] in
936 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
937 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
940 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i16i8imm:$port),
941 "out{b}\t{%al, $port|$port, %AL}", []>;
943 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
944 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
946 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
947 "out{l}\t{%eax, $port|$port, %EAX}", []>;
949 def IN8 : I<0x6C, RawFrm, (outs), (ins),
951 def IN16 : I<0x6D, RawFrm, (outs), (ins),
952 "ins{w}", []>, OpSize;
953 def IN32 : I<0x6D, RawFrm, (outs), (ins),
956 //===----------------------------------------------------------------------===//
957 // Move Instructions...
959 let neverHasSideEffects = 1 in {
960 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
961 "mov{b}\t{$src, $dst|$dst, $src}", []>;
962 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
963 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
964 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
965 "mov{l}\t{$src, $dst|$dst, $src}", []>;
967 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
968 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
969 "mov{b}\t{$src, $dst|$dst, $src}",
970 [(set GR8:$dst, imm:$src)]>;
971 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
972 "mov{w}\t{$src, $dst|$dst, $src}",
973 [(set GR16:$dst, imm:$src)]>, OpSize;
974 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
975 "mov{l}\t{$src, $dst|$dst, $src}",
976 [(set GR32:$dst, imm:$src)]>;
979 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
980 "mov{b}\t{$src, $dst|$dst, $src}",
981 [(store (i8 imm:$src), addr:$dst)]>;
982 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
983 "mov{w}\t{$src, $dst|$dst, $src}",
984 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
985 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
986 "mov{l}\t{$src, $dst|$dst, $src}",
987 [(store (i32 imm:$src), addr:$dst)]>;
989 /// moffs8, moffs16 and moffs32 versions of moves. The immediate is a
990 /// 32-bit offset from the PC. These are only valid in x86-32 mode.
991 def MOV8o8a : Ii32 <0xA0, RawFrm, (outs), (ins offset8:$src),
992 "mov{b}\t{$src, %al|%al, $src}", []>;
993 def MOV16o16a : Ii32 <0xA1, RawFrm, (outs), (ins offset16:$src),
994 "mov{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
995 def MOV32o32a : Ii32 <0xA1, RawFrm, (outs), (ins offset32:$src),
996 "mov{l}\t{$src, %eax|%eax, $src}", []>;
997 def MOV8ao8 : Ii32 <0xA2, RawFrm, (outs offset8:$dst), (ins),
998 "mov{b}\t{%al, $dst|$dst, %al}", []>;
999 def MOV16ao16 : Ii32 <0xA3, RawFrm, (outs offset16:$dst), (ins),
1000 "mov{w}\t{%ax, $dst|$dst, %ax}", []>, OpSize;
1001 def MOV32ao32 : Ii32 <0xA3, RawFrm, (outs offset32:$dst), (ins),
1002 "mov{l}\t{%eax, $dst|$dst, %eax}", []>;
1004 // Moves to and from segment registers
1005 def MOV16rs : I<0x8C, MRMDestReg, (outs GR16:$dst), (ins SEGMENT_REG:$src),
1006 "mov{w}\t{$src, $dst|$dst, $src}", []>;
1007 def MOV16ms : I<0x8C, MRMDestMem, (outs i16mem:$dst), (ins SEGMENT_REG:$src),
1008 "mov{w}\t{$src, $dst|$dst, $src}", []>;
1009 def MOV16sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR16:$src),
1010 "mov{w}\t{$src, $dst|$dst, $src}", []>;
1011 def MOV16sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i16mem:$src),
1012 "mov{w}\t{$src, $dst|$dst, $src}", []>;
1014 def MOV8rr_REV : I<0x8A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src),
1015 "mov{b}\t{$src, $dst|$dst, $src}", []>;
1016 def MOV16rr_REV : I<0x8B, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1017 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1018 def MOV32rr_REV : I<0x8B, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1019 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1021 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1022 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
1023 "mov{b}\t{$src, $dst|$dst, $src}",
1024 [(set GR8:$dst, (loadi8 addr:$src))]>;
1025 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1026 "mov{w}\t{$src, $dst|$dst, $src}",
1027 [(set GR16:$dst, (loadi16 addr:$src))]>, OpSize;
1028 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1029 "mov{l}\t{$src, $dst|$dst, $src}",
1030 [(set GR32:$dst, (loadi32 addr:$src))]>;
1033 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
1034 "mov{b}\t{$src, $dst|$dst, $src}",
1035 [(store GR8:$src, addr:$dst)]>;
1036 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1037 "mov{w}\t{$src, $dst|$dst, $src}",
1038 [(store GR16:$src, addr:$dst)]>, OpSize;
1039 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1040 "mov{l}\t{$src, $dst|$dst, $src}",
1041 [(store GR32:$src, addr:$dst)]>;
1043 /// Versions of MOV32rr, MOV32rm, and MOV32mr for i32mem_TC and GR32_TC.
1044 let neverHasSideEffects = 1 in
1045 def MOV32rr_TC : I<0x89, MRMDestReg, (outs GR32_TC:$dst), (ins GR32_TC:$src),
1046 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1049 canFoldAsLoad = 1, isReMaterializable = 1 in
1050 def MOV32rm_TC : I<0x8B, MRMSrcMem, (outs GR32_TC:$dst), (ins i32mem_TC:$src),
1051 "mov{l}\t{$src, $dst|$dst, $src}",
1055 def MOV32mr_TC : I<0x89, MRMDestMem, (outs), (ins i32mem_TC:$dst, GR32_TC:$src),
1056 "mov{l}\t{$src, $dst|$dst, $src}",
1059 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
1060 // that they can be used for copying and storing h registers, which can't be
1061 // encoded when a REX prefix is present.
1062 let neverHasSideEffects = 1 in
1063 def MOV8rr_NOREX : I<0x88, MRMDestReg,
1064 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
1065 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1067 def MOV8mr_NOREX : I<0x88, MRMDestMem,
1068 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
1069 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1071 canFoldAsLoad = 1, isReMaterializable = 1 in
1072 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
1073 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
1074 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1076 // Moves to and from debug registers
1077 def MOV32rd : I<0x21, MRMDestReg, (outs GR32:$dst), (ins DEBUG_REG:$src),
1078 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1079 def MOV32dr : I<0x23, MRMSrcReg, (outs DEBUG_REG:$dst), (ins GR32:$src),
1080 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1082 // Moves to and from control registers
1083 def MOV32rc : I<0x20, MRMDestReg, (outs GR32:$dst), (ins CONTROL_REG:$src),
1084 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1085 def MOV32cr : I<0x22, MRMSrcReg, (outs CONTROL_REG:$dst), (ins GR32:$src),
1086 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1088 //===----------------------------------------------------------------------===//
1089 // Fixed-Register Multiplication and Division Instructions...
1092 // Extra precision multiplication
1094 // AL is really implied by AX, by the registers in Defs must match the
1095 // SDNode results (i8, i32).
1096 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1097 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
1098 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1099 // This probably ought to be moved to a def : Pat<> if the
1100 // syntax can be accepted.
1101 [(set AL, (mul AL, GR8:$src)),
1102 (implicit EFLAGS)]>; // AL,AH = AL*GR8
1104 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
1105 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
1107 []>, OpSize; // AX,DX = AX*GR16
1109 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
1110 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
1112 []>; // EAX,EDX = EAX*GR32
1114 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1115 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
1117 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1118 // This probably ought to be moved to a def : Pat<> if the
1119 // syntax can be accepted.
1120 [(set AL, (mul AL, (loadi8 addr:$src))),
1121 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
1123 let mayLoad = 1, neverHasSideEffects = 1 in {
1124 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1125 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
1127 []>, OpSize; // AX,DX = AX*[mem16]
1129 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1130 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
1132 []>; // EAX,EDX = EAX*[mem32]
1135 let neverHasSideEffects = 1 in {
1136 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1137 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
1139 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1140 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
1141 OpSize; // AX,DX = AX*GR16
1142 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1143 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
1144 // EAX,EDX = EAX*GR32
1145 let mayLoad = 1 in {
1146 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1147 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
1148 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
1149 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1150 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
1151 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
1152 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1153 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
1154 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
1156 } // neverHasSideEffects
1158 // unsigned division/remainder
1159 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1160 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1161 "div{b}\t$src", []>;
1162 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1163 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1164 "div{w}\t$src", []>, OpSize;
1165 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1166 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1167 "div{l}\t$src", []>;
1168 let mayLoad = 1 in {
1169 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1170 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1171 "div{b}\t$src", []>;
1172 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1173 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1174 "div{w}\t$src", []>, OpSize;
1175 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1176 // EDX:EAX/[mem32] = EAX,EDX
1177 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src),
1178 "div{l}\t$src", []>;
1181 // Signed division/remainder.
1182 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1183 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1184 "idiv{b}\t$src", []>;
1185 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1186 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1187 "idiv{w}\t$src", []>, OpSize;
1188 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1189 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1190 "idiv{l}\t$src", []>;
1191 let mayLoad = 1, mayLoad = 1 in {
1192 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1193 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1194 "idiv{b}\t$src", []>;
1195 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1196 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1197 "idiv{w}\t$src", []>, OpSize;
1198 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1199 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src),
1200 // EDX:EAX/[mem32] = EAX,EDX
1201 "idiv{l}\t$src", []>;
1204 //===----------------------------------------------------------------------===//
1205 // Two address Instructions.
1207 let isTwoAddress = 1 in {
1209 // Conditional moves
1210 let Uses = [EFLAGS] in {
1212 let Predicates = [HasCMov] in {
1213 let isCommutable = 1 in {
1214 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
1215 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1216 "cmovb{w}\t{$src2, $dst|$dst, $src2}",
1217 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1218 X86_COND_B, EFLAGS))]>,
1220 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
1221 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1222 "cmovb{l}\t{$src2, $dst|$dst, $src2}",
1223 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1224 X86_COND_B, EFLAGS))]>,
1226 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
1227 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1228 "cmovae{w}\t{$src2, $dst|$dst, $src2}",
1229 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1230 X86_COND_AE, EFLAGS))]>,
1232 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
1233 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1234 "cmovae{l}\t{$src2, $dst|$dst, $src2}",
1235 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1236 X86_COND_AE, EFLAGS))]>,
1238 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
1239 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1240 "cmove{w}\t{$src2, $dst|$dst, $src2}",
1241 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1242 X86_COND_E, EFLAGS))]>,
1244 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
1245 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1246 "cmove{l}\t{$src2, $dst|$dst, $src2}",
1247 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1248 X86_COND_E, EFLAGS))]>,
1250 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
1251 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1252 "cmovne{w}\t{$src2, $dst|$dst, $src2}",
1253 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1254 X86_COND_NE, EFLAGS))]>,
1256 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
1257 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1258 "cmovne{l}\t{$src2, $dst|$dst, $src2}",
1259 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1260 X86_COND_NE, EFLAGS))]>,
1262 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
1263 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1264 "cmovbe{w}\t{$src2, $dst|$dst, $src2}",
1265 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1266 X86_COND_BE, EFLAGS))]>,
1268 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
1269 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1270 "cmovbe{l}\t{$src2, $dst|$dst, $src2}",
1271 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1272 X86_COND_BE, EFLAGS))]>,
1274 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
1275 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1276 "cmova{w}\t{$src2, $dst|$dst, $src2}",
1277 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1278 X86_COND_A, EFLAGS))]>,
1280 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
1281 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1282 "cmova{l}\t{$src2, $dst|$dst, $src2}",
1283 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1284 X86_COND_A, EFLAGS))]>,
1286 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
1287 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1288 "cmovl{w}\t{$src2, $dst|$dst, $src2}",
1289 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1290 X86_COND_L, EFLAGS))]>,
1292 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
1293 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1294 "cmovl{l}\t{$src2, $dst|$dst, $src2}",
1295 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1296 X86_COND_L, EFLAGS))]>,
1298 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
1299 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1300 "cmovge{w}\t{$src2, $dst|$dst, $src2}",
1301 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1302 X86_COND_GE, EFLAGS))]>,
1304 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
1305 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1306 "cmovge{l}\t{$src2, $dst|$dst, $src2}",
1307 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1308 X86_COND_GE, EFLAGS))]>,
1310 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
1311 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1312 "cmovle{w}\t{$src2, $dst|$dst, $src2}",
1313 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1314 X86_COND_LE, EFLAGS))]>,
1316 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
1317 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1318 "cmovle{l}\t{$src2, $dst|$dst, $src2}",
1319 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1320 X86_COND_LE, EFLAGS))]>,
1322 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
1323 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1324 "cmovg{w}\t{$src2, $dst|$dst, $src2}",
1325 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1326 X86_COND_G, EFLAGS))]>,
1328 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
1329 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1330 "cmovg{l}\t{$src2, $dst|$dst, $src2}",
1331 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1332 X86_COND_G, EFLAGS))]>,
1334 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
1335 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1336 "cmovs{w}\t{$src2, $dst|$dst, $src2}",
1337 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1338 X86_COND_S, EFLAGS))]>,
1340 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
1341 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1342 "cmovs{l}\t{$src2, $dst|$dst, $src2}",
1343 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1344 X86_COND_S, EFLAGS))]>,
1346 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
1347 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1348 "cmovns{w}\t{$src2, $dst|$dst, $src2}",
1349 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1350 X86_COND_NS, EFLAGS))]>,
1352 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1353 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1354 "cmovns{l}\t{$src2, $dst|$dst, $src2}",
1355 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1356 X86_COND_NS, EFLAGS))]>,
1358 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1359 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1360 "cmovp{w}\t{$src2, $dst|$dst, $src2}",
1361 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1362 X86_COND_P, EFLAGS))]>,
1364 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1365 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1366 "cmovp{l}\t{$src2, $dst|$dst, $src2}",
1367 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1368 X86_COND_P, EFLAGS))]>,
1370 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1371 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1372 "cmovnp{w}\t{$src2, $dst|$dst, $src2}",
1373 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1374 X86_COND_NP, EFLAGS))]>,
1376 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1377 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1378 "cmovnp{l}\t{$src2, $dst|$dst, $src2}",
1379 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1380 X86_COND_NP, EFLAGS))]>,
1382 def CMOVO16rr : I<0x40, MRMSrcReg, // if overflow, GR16 = GR16
1383 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1384 "cmovo{w}\t{$src2, $dst|$dst, $src2}",
1385 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1386 X86_COND_O, EFLAGS))]>,
1388 def CMOVO32rr : I<0x40, MRMSrcReg, // if overflow, GR32 = GR32
1389 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1390 "cmovo{l}\t{$src2, $dst|$dst, $src2}",
1391 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1392 X86_COND_O, EFLAGS))]>,
1394 def CMOVNO16rr : I<0x41, MRMSrcReg, // if !overflow, GR16 = GR16
1395 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1396 "cmovno{w}\t{$src2, $dst|$dst, $src2}",
1397 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1398 X86_COND_NO, EFLAGS))]>,
1400 def CMOVNO32rr : I<0x41, MRMSrcReg, // if !overflow, GR32 = GR32
1401 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1402 "cmovno{l}\t{$src2, $dst|$dst, $src2}",
1403 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1404 X86_COND_NO, EFLAGS))]>,
1406 } // isCommutable = 1
1408 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1409 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1410 "cmovb{w}\t{$src2, $dst|$dst, $src2}",
1411 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1412 X86_COND_B, EFLAGS))]>,
1414 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1415 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1416 "cmovb{l}\t{$src2, $dst|$dst, $src2}",
1417 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1418 X86_COND_B, EFLAGS))]>,
1420 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1421 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1422 "cmovae{w}\t{$src2, $dst|$dst, $src2}",
1423 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1424 X86_COND_AE, EFLAGS))]>,
1426 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1427 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1428 "cmovae{l}\t{$src2, $dst|$dst, $src2}",
1429 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1430 X86_COND_AE, EFLAGS))]>,
1432 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1433 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1434 "cmove{w}\t{$src2, $dst|$dst, $src2}",
1435 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1436 X86_COND_E, EFLAGS))]>,
1438 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1439 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1440 "cmove{l}\t{$src2, $dst|$dst, $src2}",
1441 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1442 X86_COND_E, EFLAGS))]>,
1444 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1445 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1446 "cmovne{w}\t{$src2, $dst|$dst, $src2}",
1447 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1448 X86_COND_NE, EFLAGS))]>,
1450 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1451 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1452 "cmovne{l}\t{$src2, $dst|$dst, $src2}",
1453 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1454 X86_COND_NE, EFLAGS))]>,
1456 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1457 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1458 "cmovbe{w}\t{$src2, $dst|$dst, $src2}",
1459 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1460 X86_COND_BE, EFLAGS))]>,
1462 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1463 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1464 "cmovbe{l}\t{$src2, $dst|$dst, $src2}",
1465 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1466 X86_COND_BE, EFLAGS))]>,
1468 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1469 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1470 "cmova{w}\t{$src2, $dst|$dst, $src2}",
1471 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1472 X86_COND_A, EFLAGS))]>,
1474 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1475 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1476 "cmova{l}\t{$src2, $dst|$dst, $src2}",
1477 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1478 X86_COND_A, EFLAGS))]>,
1480 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1481 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1482 "cmovl{w}\t{$src2, $dst|$dst, $src2}",
1483 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1484 X86_COND_L, EFLAGS))]>,
1486 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1487 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1488 "cmovl{l}\t{$src2, $dst|$dst, $src2}",
1489 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1490 X86_COND_L, EFLAGS))]>,
1492 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1493 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1494 "cmovge{w}\t{$src2, $dst|$dst, $src2}",
1495 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1496 X86_COND_GE, EFLAGS))]>,
1498 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1499 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1500 "cmovge{l}\t{$src2, $dst|$dst, $src2}",
1501 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1502 X86_COND_GE, EFLAGS))]>,
1504 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1505 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1506 "cmovle{w}\t{$src2, $dst|$dst, $src2}",
1507 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1508 X86_COND_LE, EFLAGS))]>,
1510 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1511 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1512 "cmovle{l}\t{$src2, $dst|$dst, $src2}",
1513 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1514 X86_COND_LE, EFLAGS))]>,
1516 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1517 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1518 "cmovg{w}\t{$src2, $dst|$dst, $src2}",
1519 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1520 X86_COND_G, EFLAGS))]>,
1522 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1523 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1524 "cmovg{l}\t{$src2, $dst|$dst, $src2}",
1525 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1526 X86_COND_G, EFLAGS))]>,
1528 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1529 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1530 "cmovs{w}\t{$src2, $dst|$dst, $src2}",
1531 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1532 X86_COND_S, EFLAGS))]>,
1534 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1535 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1536 "cmovs{l}\t{$src2, $dst|$dst, $src2}",
1537 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1538 X86_COND_S, EFLAGS))]>,
1540 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1541 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1542 "cmovns{w}\t{$src2, $dst|$dst, $src2}",
1543 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1544 X86_COND_NS, EFLAGS))]>,
1546 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1547 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1548 "cmovns{l}\t{$src2, $dst|$dst, $src2}",
1549 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1550 X86_COND_NS, EFLAGS))]>,
1552 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1553 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1554 "cmovp{w}\t{$src2, $dst|$dst, $src2}",
1555 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1556 X86_COND_P, EFLAGS))]>,
1558 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1559 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1560 "cmovp{l}\t{$src2, $dst|$dst, $src2}",
1561 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1562 X86_COND_P, EFLAGS))]>,
1564 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1565 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1566 "cmovnp{w}\t{$src2, $dst|$dst, $src2}",
1567 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1568 X86_COND_NP, EFLAGS))]>,
1570 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1571 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1572 "cmovnp{l}\t{$src2, $dst|$dst, $src2}",
1573 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1574 X86_COND_NP, EFLAGS))]>,
1576 def CMOVO16rm : I<0x40, MRMSrcMem, // if overflow, GR16 = [mem16]
1577 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1578 "cmovo{w}\t{$src2, $dst|$dst, $src2}",
1579 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1580 X86_COND_O, EFLAGS))]>,
1582 def CMOVO32rm : I<0x40, MRMSrcMem, // if overflow, GR32 = [mem32]
1583 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1584 "cmovo{l}\t{$src2, $dst|$dst, $src2}",
1585 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1586 X86_COND_O, EFLAGS))]>,
1588 def CMOVNO16rm : I<0x41, MRMSrcMem, // if !overflow, GR16 = [mem16]
1589 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1590 "cmovno{w}\t{$src2, $dst|$dst, $src2}",
1591 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1592 X86_COND_NO, EFLAGS))]>,
1594 def CMOVNO32rm : I<0x41, MRMSrcMem, // if !overflow, GR32 = [mem32]
1595 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1596 "cmovno{l}\t{$src2, $dst|$dst, $src2}",
1597 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1598 X86_COND_NO, EFLAGS))]>,
1600 } // Predicates = [HasCMov]
1602 // X86 doesn't have 8-bit conditional moves. Use a customInserter to
1603 // emit control flow. An alternative to this is to mark i8 SELECT as Promote,
1604 // however that requires promoting the operands, and can induce additional
1605 // i8 register pressure. Note that CMOV_GR8 is conservatively considered to
1606 // clobber EFLAGS, because if one of the operands is zero, the expansion
1607 // could involve an xor.
1608 let usesCustomInserter = 1, isTwoAddress = 0, Defs = [EFLAGS] in {
1609 def CMOV_GR8 : I<0, Pseudo,
1610 (outs GR8:$dst), (ins GR8:$src1, GR8:$src2, i8imm:$cond),
1611 "#CMOV_GR8 PSEUDO!",
1612 [(set GR8:$dst, (X86cmov GR8:$src1, GR8:$src2,
1613 imm:$cond, EFLAGS))]>;
1615 let Predicates = [NoCMov] in {
1616 def CMOV_GR32 : I<0, Pseudo,
1617 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$cond),
1618 "#CMOV_GR32* PSEUDO!",
1620 (X86cmov GR32:$src1, GR32:$src2, imm:$cond, EFLAGS))]>;
1621 def CMOV_GR16 : I<0, Pseudo,
1622 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$cond),
1623 "#CMOV_GR16* PSEUDO!",
1625 (X86cmov GR16:$src1, GR16:$src2, imm:$cond, EFLAGS))]>;
1626 def CMOV_RFP32 : I<0, Pseudo,
1627 (outs RFP32:$dst), (ins RFP32:$src1, RFP32:$src2, i8imm:$cond),
1628 "#CMOV_RFP32 PSEUDO!",
1629 [(set RFP32:$dst, (X86cmov RFP32:$src1, RFP32:$src2, imm:$cond,
1631 def CMOV_RFP64 : I<0, Pseudo,
1632 (outs RFP64:$dst), (ins RFP64:$src1, RFP64:$src2, i8imm:$cond),
1633 "#CMOV_RFP64 PSEUDO!",
1634 [(set RFP64:$dst, (X86cmov RFP64:$src1, RFP64:$src2, imm:$cond,
1636 def CMOV_RFP80 : I<0, Pseudo,
1637 (outs RFP80:$dst), (ins RFP80:$src1, RFP80:$src2, i8imm:$cond),
1638 "#CMOV_RFP80 PSEUDO!",
1639 [(set RFP80:$dst, (X86cmov RFP80:$src1, RFP80:$src2, imm:$cond,
1641 } // Predicates = [NoCMov]
1642 } // UsesCustomInserter = 1, isTwoAddress = 0, Defs = [EFLAGS]
1643 } // Uses = [EFLAGS]
1646 // unary instructions
1647 let CodeSize = 2 in {
1648 let Defs = [EFLAGS] in {
1649 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src), "neg{b}\t$dst",
1650 [(set GR8:$dst, (ineg GR8:$src)),
1651 (implicit EFLAGS)]>;
1652 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src), "neg{w}\t$dst",
1653 [(set GR16:$dst, (ineg GR16:$src)),
1654 (implicit EFLAGS)]>, OpSize;
1655 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src), "neg{l}\t$dst",
1656 [(set GR32:$dst, (ineg GR32:$src)),
1657 (implicit EFLAGS)]>;
1658 let isTwoAddress = 0 in {
1659 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), "neg{b}\t$dst",
1660 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
1661 (implicit EFLAGS)]>;
1662 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), "neg{w}\t$dst",
1663 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
1664 (implicit EFLAGS)]>, OpSize;
1665 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), "neg{l}\t$dst",
1666 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
1667 (implicit EFLAGS)]>;
1669 } // Defs = [EFLAGS]
1671 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
1672 let AddedComplexity = 15 in {
1673 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src), "not{b}\t$dst",
1674 [(set GR8:$dst, (not GR8:$src))]>;
1675 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src), "not{w}\t$dst",
1676 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1677 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src), "not{l}\t$dst",
1678 [(set GR32:$dst, (not GR32:$src))]>;
1680 let isTwoAddress = 0 in {
1681 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), "not{b}\t$dst",
1682 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1683 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), "not{w}\t$dst",
1684 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1685 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), "not{l}\t$dst",
1686 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1690 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1691 let Defs = [EFLAGS] in {
1693 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
1694 [(set GR8:$dst, EFLAGS, (X86inc_flag GR8:$src))]>;
1696 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1697 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src),
1699 [(set GR16:$dst, EFLAGS, (X86inc_flag GR16:$src))]>,
1700 OpSize, Requires<[In32BitMode]>;
1701 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src),
1703 [(set GR32:$dst, EFLAGS, (X86inc_flag GR32:$src))]>,
1704 Requires<[In32BitMode]>;
1706 let isTwoAddress = 0, CodeSize = 2 in {
1707 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1708 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
1709 (implicit EFLAGS)]>;
1710 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1711 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
1712 (implicit EFLAGS)]>,
1713 OpSize, Requires<[In32BitMode]>;
1714 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1715 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
1716 (implicit EFLAGS)]>,
1717 Requires<[In32BitMode]>;
1721 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src), "dec{b}\t$dst",
1722 [(set GR8:$dst, EFLAGS, (X86dec_flag GR8:$src))]>;
1723 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1724 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src),
1726 [(set GR16:$dst, EFLAGS, (X86dec_flag GR16:$src))]>,
1727 OpSize, Requires<[In32BitMode]>;
1728 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src),
1730 [(set GR32:$dst, EFLAGS, (X86dec_flag GR32:$src))]>,
1731 Requires<[In32BitMode]>;
1734 let isTwoAddress = 0, CodeSize = 2 in {
1735 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1736 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
1737 (implicit EFLAGS)]>;
1738 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1739 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
1740 (implicit EFLAGS)]>,
1741 OpSize, Requires<[In32BitMode]>;
1742 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1743 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
1744 (implicit EFLAGS)]>,
1745 Requires<[In32BitMode]>;
1747 } // Defs = [EFLAGS]
1749 // Logical operators...
1750 let Defs = [EFLAGS] in {
1751 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1752 def AND8rr : I<0x20, MRMDestReg,
1753 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1754 "and{b}\t{$src2, $dst|$dst, $src2}",
1755 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1, GR8:$src2))]>;
1756 def AND16rr : I<0x21, MRMDestReg,
1757 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1758 "and{w}\t{$src2, $dst|$dst, $src2}",
1759 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1760 GR16:$src2))]>, OpSize;
1761 def AND32rr : I<0x21, MRMDestReg,
1762 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1763 "and{l}\t{$src2, $dst|$dst, $src2}",
1764 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1768 // AND instructions with the destination register in REG and the source register
1769 // in R/M. Included for the disassembler.
1770 def AND8rr_REV : I<0x22, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1771 "and{b}\t{$src2, $dst|$dst, $src2}", []>;
1772 def AND16rr_REV : I<0x23, MRMSrcReg, (outs GR16:$dst),
1773 (ins GR16:$src1, GR16:$src2),
1774 "and{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1775 def AND32rr_REV : I<0x23, MRMSrcReg, (outs GR32:$dst),
1776 (ins GR32:$src1, GR32:$src2),
1777 "and{l}\t{$src2, $dst|$dst, $src2}", []>;
1779 def AND8rm : I<0x22, MRMSrcMem,
1780 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1781 "and{b}\t{$src2, $dst|$dst, $src2}",
1782 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1,
1783 (loadi8 addr:$src2)))]>;
1784 def AND16rm : I<0x23, MRMSrcMem,
1785 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1786 "and{w}\t{$src2, $dst|$dst, $src2}",
1787 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1788 (loadi16 addr:$src2)))]>,
1790 def AND32rm : I<0x23, MRMSrcMem,
1791 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1792 "and{l}\t{$src2, $dst|$dst, $src2}",
1793 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1794 (loadi32 addr:$src2)))]>;
1796 def AND8ri : Ii8<0x80, MRM4r,
1797 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1798 "and{b}\t{$src2, $dst|$dst, $src2}",
1799 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1,
1801 def AND16ri : Ii16<0x81, MRM4r,
1802 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1803 "and{w}\t{$src2, $dst|$dst, $src2}",
1804 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1805 imm:$src2))]>, OpSize;
1806 def AND32ri : Ii32<0x81, MRM4r,
1807 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1808 "and{l}\t{$src2, $dst|$dst, $src2}",
1809 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1811 def AND16ri8 : Ii8<0x83, MRM4r,
1812 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1813 "and{w}\t{$src2, $dst|$dst, $src2}",
1814 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1815 i16immSExt8:$src2))]>,
1817 def AND32ri8 : Ii8<0x83, MRM4r,
1818 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1819 "and{l}\t{$src2, $dst|$dst, $src2}",
1820 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1821 i32immSExt8:$src2))]>;
1823 let isTwoAddress = 0 in {
1824 def AND8mr : I<0x20, MRMDestMem,
1825 (outs), (ins i8mem :$dst, GR8 :$src),
1826 "and{b}\t{$src, $dst|$dst, $src}",
1827 [(store (and (load addr:$dst), GR8:$src), addr:$dst),
1828 (implicit EFLAGS)]>;
1829 def AND16mr : I<0x21, MRMDestMem,
1830 (outs), (ins i16mem:$dst, GR16:$src),
1831 "and{w}\t{$src, $dst|$dst, $src}",
1832 [(store (and (load addr:$dst), GR16:$src), addr:$dst),
1833 (implicit EFLAGS)]>,
1835 def AND32mr : I<0x21, MRMDestMem,
1836 (outs), (ins i32mem:$dst, GR32:$src),
1837 "and{l}\t{$src, $dst|$dst, $src}",
1838 [(store (and (load addr:$dst), GR32:$src), addr:$dst),
1839 (implicit EFLAGS)]>;
1840 def AND8mi : Ii8<0x80, MRM4m,
1841 (outs), (ins i8mem :$dst, i8imm :$src),
1842 "and{b}\t{$src, $dst|$dst, $src}",
1843 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
1844 (implicit EFLAGS)]>;
1845 def AND16mi : Ii16<0x81, MRM4m,
1846 (outs), (ins i16mem:$dst, i16imm:$src),
1847 "and{w}\t{$src, $dst|$dst, $src}",
1848 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
1849 (implicit EFLAGS)]>,
1851 def AND32mi : Ii32<0x81, MRM4m,
1852 (outs), (ins i32mem:$dst, i32imm:$src),
1853 "and{l}\t{$src, $dst|$dst, $src}",
1854 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
1855 (implicit EFLAGS)]>;
1856 def AND16mi8 : Ii8<0x83, MRM4m,
1857 (outs), (ins i16mem:$dst, i16i8imm :$src),
1858 "and{w}\t{$src, $dst|$dst, $src}",
1859 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
1860 (implicit EFLAGS)]>,
1862 def AND32mi8 : Ii8<0x83, MRM4m,
1863 (outs), (ins i32mem:$dst, i32i8imm :$src),
1864 "and{l}\t{$src, $dst|$dst, $src}",
1865 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
1866 (implicit EFLAGS)]>;
1868 def AND8i8 : Ii8<0x24, RawFrm, (outs), (ins i8imm:$src),
1869 "and{b}\t{$src, %al|%al, $src}", []>;
1870 def AND16i16 : Ii16<0x25, RawFrm, (outs), (ins i16imm:$src),
1871 "and{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1872 def AND32i32 : Ii32<0x25, RawFrm, (outs), (ins i32imm:$src),
1873 "and{l}\t{$src, %eax|%eax, $src}", []>;
1878 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1879 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst),
1880 (ins GR8 :$src1, GR8 :$src2),
1881 "or{b}\t{$src2, $dst|$dst, $src2}",
1882 [(set GR8:$dst, EFLAGS, (X86or_flag GR8:$src1, GR8:$src2))]>;
1883 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst),
1884 (ins GR16:$src1, GR16:$src2),
1885 "or{w}\t{$src2, $dst|$dst, $src2}",
1886 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,GR16:$src2))]>,
1888 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst),
1889 (ins GR32:$src1, GR32:$src2),
1890 "or{l}\t{$src2, $dst|$dst, $src2}",
1891 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,GR32:$src2))]>;
1894 // OR instructions with the destination register in REG and the source register
1895 // in R/M. Included for the disassembler.
1896 def OR8rr_REV : I<0x0A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1897 "or{b}\t{$src2, $dst|$dst, $src2}", []>;
1898 def OR16rr_REV : I<0x0B, MRMSrcReg, (outs GR16:$dst),
1899 (ins GR16:$src1, GR16:$src2),
1900 "or{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1901 def OR32rr_REV : I<0x0B, MRMSrcReg, (outs GR32:$dst),
1902 (ins GR32:$src1, GR32:$src2),
1903 "or{l}\t{$src2, $dst|$dst, $src2}", []>;
1905 def OR8rm : I<0x0A, MRMSrcMem, (outs GR8 :$dst),
1906 (ins GR8 :$src1, i8mem :$src2),
1907 "or{b}\t{$src2, $dst|$dst, $src2}",
1908 [(set GR8:$dst, EFLAGS, (X86or_flag GR8:$src1,
1909 (load addr:$src2)))]>;
1910 def OR16rm : I<0x0B, MRMSrcMem, (outs GR16:$dst),
1911 (ins GR16:$src1, i16mem:$src2),
1912 "or{w}\t{$src2, $dst|$dst, $src2}",
1913 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
1914 (load addr:$src2)))]>,
1916 def OR32rm : I<0x0B, MRMSrcMem, (outs GR32:$dst),
1917 (ins GR32:$src1, i32mem:$src2),
1918 "or{l}\t{$src2, $dst|$dst, $src2}",
1919 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
1920 (load addr:$src2)))]>;
1922 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst),
1923 (ins GR8 :$src1, i8imm:$src2),
1924 "or{b}\t{$src2, $dst|$dst, $src2}",
1925 [(set GR8:$dst,EFLAGS, (X86or_flag GR8:$src1, imm:$src2))]>;
1926 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst),
1927 (ins GR16:$src1, i16imm:$src2),
1928 "or{w}\t{$src2, $dst|$dst, $src2}",
1929 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
1930 imm:$src2))]>, OpSize;
1931 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst),
1932 (ins GR32:$src1, i32imm:$src2),
1933 "or{l}\t{$src2, $dst|$dst, $src2}",
1934 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
1937 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst),
1938 (ins GR16:$src1, i16i8imm:$src2),
1939 "or{w}\t{$src2, $dst|$dst, $src2}",
1940 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
1941 i16immSExt8:$src2))]>, OpSize;
1942 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst),
1943 (ins GR32:$src1, i32i8imm:$src2),
1944 "or{l}\t{$src2, $dst|$dst, $src2}",
1945 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
1946 i32immSExt8:$src2))]>;
1947 let isTwoAddress = 0 in {
1948 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1949 "or{b}\t{$src, $dst|$dst, $src}",
1950 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
1951 (implicit EFLAGS)]>;
1952 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1953 "or{w}\t{$src, $dst|$dst, $src}",
1954 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
1955 (implicit EFLAGS)]>, OpSize;
1956 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1957 "or{l}\t{$src, $dst|$dst, $src}",
1958 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
1959 (implicit EFLAGS)]>;
1960 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1961 "or{b}\t{$src, $dst|$dst, $src}",
1962 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
1963 (implicit EFLAGS)]>;
1964 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
1965 "or{w}\t{$src, $dst|$dst, $src}",
1966 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
1967 (implicit EFLAGS)]>,
1969 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
1970 "or{l}\t{$src, $dst|$dst, $src}",
1971 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
1972 (implicit EFLAGS)]>;
1973 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
1974 "or{w}\t{$src, $dst|$dst, $src}",
1975 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
1976 (implicit EFLAGS)]>,
1978 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
1979 "or{l}\t{$src, $dst|$dst, $src}",
1980 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
1981 (implicit EFLAGS)]>;
1983 def OR8i8 : Ii8 <0x0C, RawFrm, (outs), (ins i8imm:$src),
1984 "or{b}\t{$src, %al|%al, $src}", []>;
1985 def OR16i16 : Ii16 <0x0D, RawFrm, (outs), (ins i16imm:$src),
1986 "or{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1987 def OR32i32 : Ii32 <0x0D, RawFrm, (outs), (ins i32imm:$src),
1988 "or{l}\t{$src, %eax|%eax, $src}", []>;
1989 } // isTwoAddress = 0
1992 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1993 def XOR8rr : I<0x30, MRMDestReg,
1994 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1995 "xor{b}\t{$src2, $dst|$dst, $src2}",
1996 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1,
1998 def XOR16rr : I<0x31, MRMDestReg,
1999 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2000 "xor{w}\t{$src2, $dst|$dst, $src2}",
2001 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2002 GR16:$src2))]>, OpSize;
2003 def XOR32rr : I<0x31, MRMDestReg,
2004 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2005 "xor{l}\t{$src2, $dst|$dst, $src2}",
2006 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2008 } // isCommutable = 1
2010 // XOR instructions with the destination register in REG and the source register
2011 // in R/M. Included for the disassembler.
2012 def XOR8rr_REV : I<0x32, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2013 "xor{b}\t{$src2, $dst|$dst, $src2}", []>;
2014 def XOR16rr_REV : I<0x33, MRMSrcReg, (outs GR16:$dst),
2015 (ins GR16:$src1, GR16:$src2),
2016 "xor{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2017 def XOR32rr_REV : I<0x33, MRMSrcReg, (outs GR32:$dst),
2018 (ins GR32:$src1, GR32:$src2),
2019 "xor{l}\t{$src2, $dst|$dst, $src2}", []>;
2021 def XOR8rm : I<0x32, MRMSrcMem,
2022 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
2023 "xor{b}\t{$src2, $dst|$dst, $src2}",
2024 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1,
2025 (load addr:$src2)))]>;
2026 def XOR16rm : I<0x33, MRMSrcMem,
2027 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
2028 "xor{w}\t{$src2, $dst|$dst, $src2}",
2029 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2030 (load addr:$src2)))]>,
2032 def XOR32rm : I<0x33, MRMSrcMem,
2033 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2034 "xor{l}\t{$src2, $dst|$dst, $src2}",
2035 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2036 (load addr:$src2)))]>;
2038 def XOR8ri : Ii8<0x80, MRM6r,
2039 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2040 "xor{b}\t{$src2, $dst|$dst, $src2}",
2041 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1, imm:$src2))]>;
2042 def XOR16ri : Ii16<0x81, MRM6r,
2043 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2044 "xor{w}\t{$src2, $dst|$dst, $src2}",
2045 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2046 imm:$src2))]>, OpSize;
2047 def XOR32ri : Ii32<0x81, MRM6r,
2048 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2049 "xor{l}\t{$src2, $dst|$dst, $src2}",
2050 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2052 def XOR16ri8 : Ii8<0x83, MRM6r,
2053 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2054 "xor{w}\t{$src2, $dst|$dst, $src2}",
2055 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2056 i16immSExt8:$src2))]>,
2058 def XOR32ri8 : Ii8<0x83, MRM6r,
2059 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2060 "xor{l}\t{$src2, $dst|$dst, $src2}",
2061 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2062 i32immSExt8:$src2))]>;
2064 let isTwoAddress = 0 in {
2065 def XOR8mr : I<0x30, MRMDestMem,
2066 (outs), (ins i8mem :$dst, GR8 :$src),
2067 "xor{b}\t{$src, $dst|$dst, $src}",
2068 [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
2069 (implicit EFLAGS)]>;
2070 def XOR16mr : I<0x31, MRMDestMem,
2071 (outs), (ins i16mem:$dst, GR16:$src),
2072 "xor{w}\t{$src, $dst|$dst, $src}",
2073 [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
2074 (implicit EFLAGS)]>,
2076 def XOR32mr : I<0x31, MRMDestMem,
2077 (outs), (ins i32mem:$dst, GR32:$src),
2078 "xor{l}\t{$src, $dst|$dst, $src}",
2079 [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
2080 (implicit EFLAGS)]>;
2081 def XOR8mi : Ii8<0x80, MRM6m,
2082 (outs), (ins i8mem :$dst, i8imm :$src),
2083 "xor{b}\t{$src, $dst|$dst, $src}",
2084 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
2085 (implicit EFLAGS)]>;
2086 def XOR16mi : Ii16<0x81, MRM6m,
2087 (outs), (ins i16mem:$dst, i16imm:$src),
2088 "xor{w}\t{$src, $dst|$dst, $src}",
2089 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
2090 (implicit EFLAGS)]>,
2092 def XOR32mi : Ii32<0x81, MRM6m,
2093 (outs), (ins i32mem:$dst, i32imm:$src),
2094 "xor{l}\t{$src, $dst|$dst, $src}",
2095 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
2096 (implicit EFLAGS)]>;
2097 def XOR16mi8 : Ii8<0x83, MRM6m,
2098 (outs), (ins i16mem:$dst, i16i8imm :$src),
2099 "xor{w}\t{$src, $dst|$dst, $src}",
2100 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
2101 (implicit EFLAGS)]>,
2103 def XOR32mi8 : Ii8<0x83, MRM6m,
2104 (outs), (ins i32mem:$dst, i32i8imm :$src),
2105 "xor{l}\t{$src, $dst|$dst, $src}",
2106 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
2107 (implicit EFLAGS)]>;
2109 def XOR8i8 : Ii8 <0x34, RawFrm, (outs), (ins i8imm:$src),
2110 "xor{b}\t{$src, %al|%al, $src}", []>;
2111 def XOR16i16 : Ii16<0x35, RawFrm, (outs), (ins i16imm:$src),
2112 "xor{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2113 def XOR32i32 : Ii32<0x35, RawFrm, (outs), (ins i32imm:$src),
2114 "xor{l}\t{$src, %eax|%eax, $src}", []>;
2115 } // isTwoAddress = 0
2116 } // Defs = [EFLAGS]
2118 // Shift instructions
2119 let Defs = [EFLAGS] in {
2120 let Uses = [CL] in {
2121 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src),
2122 "shl{b}\t{%cl, $dst|$dst, CL}",
2123 [(set GR8:$dst, (shl GR8:$src, CL))]>;
2124 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src),
2125 "shl{w}\t{%cl, $dst|$dst, CL}",
2126 [(set GR16:$dst, (shl GR16:$src, CL))]>, OpSize;
2127 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src),
2128 "shl{l}\t{%cl, $dst|$dst, CL}",
2129 [(set GR32:$dst, (shl GR32:$src, CL))]>;
2132 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2133 "shl{b}\t{$src2, $dst|$dst, $src2}",
2134 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
2135 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2136 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2137 "shl{w}\t{$src2, $dst|$dst, $src2}",
2138 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2139 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2140 "shl{l}\t{$src2, $dst|$dst, $src2}",
2141 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
2143 // NOTE: We don't include patterns for shifts of a register by one, because
2144 // 'add reg,reg' is cheaper.
2146 def SHL8r1 : I<0xD0, MRM4r, (outs GR8:$dst), (ins GR8:$src1),
2147 "shl{b}\t$dst", []>;
2148 def SHL16r1 : I<0xD1, MRM4r, (outs GR16:$dst), (ins GR16:$src1),
2149 "shl{w}\t$dst", []>, OpSize;
2150 def SHL32r1 : I<0xD1, MRM4r, (outs GR32:$dst), (ins GR32:$src1),
2151 "shl{l}\t$dst", []>;
2153 } // isConvertibleToThreeAddress = 1
2155 let isTwoAddress = 0 in {
2156 let Uses = [CL] in {
2157 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
2158 "shl{b}\t{%cl, $dst|$dst, CL}",
2159 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
2160 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
2161 "shl{w}\t{%cl, $dst|$dst, CL}",
2162 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2163 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
2164 "shl{l}\t{%cl, $dst|$dst, CL}",
2165 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
2167 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
2168 "shl{b}\t{$src, $dst|$dst, $src}",
2169 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2170 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
2171 "shl{w}\t{$src, $dst|$dst, $src}",
2172 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2174 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
2175 "shl{l}\t{$src, $dst|$dst, $src}",
2176 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2179 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
2181 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2182 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
2184 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2186 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
2188 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2191 let Uses = [CL] in {
2192 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src),
2193 "shr{b}\t{%cl, $dst|$dst, CL}",
2194 [(set GR8:$dst, (srl GR8:$src, CL))]>;
2195 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src),
2196 "shr{w}\t{%cl, $dst|$dst, CL}",
2197 [(set GR16:$dst, (srl GR16:$src, CL))]>, OpSize;
2198 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src),
2199 "shr{l}\t{%cl, $dst|$dst, CL}",
2200 [(set GR32:$dst, (srl GR32:$src, CL))]>;
2203 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2204 "shr{b}\t{$src2, $dst|$dst, $src2}",
2205 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
2206 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2207 "shr{w}\t{$src2, $dst|$dst, $src2}",
2208 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2209 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2210 "shr{l}\t{$src2, $dst|$dst, $src2}",
2211 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
2214 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
2216 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
2217 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
2219 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
2220 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
2222 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
2224 let isTwoAddress = 0 in {
2225 let Uses = [CL] in {
2226 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
2227 "shr{b}\t{%cl, $dst|$dst, CL}",
2228 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
2229 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
2230 "shr{w}\t{%cl, $dst|$dst, CL}",
2231 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
2233 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
2234 "shr{l}\t{%cl, $dst|$dst, CL}",
2235 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
2237 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
2238 "shr{b}\t{$src, $dst|$dst, $src}",
2239 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2240 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
2241 "shr{w}\t{$src, $dst|$dst, $src}",
2242 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2244 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
2245 "shr{l}\t{$src, $dst|$dst, $src}",
2246 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2249 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
2251 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2252 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
2254 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
2255 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
2257 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2260 let Uses = [CL] in {
2261 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src),
2262 "sar{b}\t{%cl, $dst|$dst, CL}",
2263 [(set GR8:$dst, (sra GR8:$src, CL))]>;
2264 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src),
2265 "sar{w}\t{%cl, $dst|$dst, CL}",
2266 [(set GR16:$dst, (sra GR16:$src, CL))]>, OpSize;
2267 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src),
2268 "sar{l}\t{%cl, $dst|$dst, CL}",
2269 [(set GR32:$dst, (sra GR32:$src, CL))]>;
2272 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2273 "sar{b}\t{$src2, $dst|$dst, $src2}",
2274 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
2275 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2276 "sar{w}\t{$src2, $dst|$dst, $src2}",
2277 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
2279 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2280 "sar{l}\t{$src2, $dst|$dst, $src2}",
2281 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
2284 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
2286 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
2287 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
2289 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
2290 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
2292 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
2294 let isTwoAddress = 0 in {
2295 let Uses = [CL] in {
2296 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
2297 "sar{b}\t{%cl, $dst|$dst, CL}",
2298 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
2299 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
2300 "sar{w}\t{%cl, $dst|$dst, CL}",
2301 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2302 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
2303 "sar{l}\t{%cl, $dst|$dst, CL}",
2304 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
2306 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
2307 "sar{b}\t{$src, $dst|$dst, $src}",
2308 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2309 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
2310 "sar{w}\t{$src, $dst|$dst, $src}",
2311 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2313 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
2314 "sar{l}\t{$src, $dst|$dst, $src}",
2315 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2318 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
2320 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2321 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
2323 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2325 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
2327 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2330 // Rotate instructions
2332 def RCL8r1 : I<0xD0, MRM2r, (outs GR8:$dst), (ins GR8:$src),
2333 "rcl{b}\t{1, $dst|$dst, 1}", []>;
2334 let Uses = [CL] in {
2335 def RCL8rCL : I<0xD2, MRM2r, (outs GR8:$dst), (ins GR8:$src),
2336 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
2338 def RCL8ri : Ii8<0xC0, MRM2r, (outs GR8:$dst), (ins GR8:$src, i8imm:$cnt),
2339 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2341 def RCL16r1 : I<0xD1, MRM2r, (outs GR16:$dst), (ins GR16:$src),
2342 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2343 let Uses = [CL] in {
2344 def RCL16rCL : I<0xD3, MRM2r, (outs GR16:$dst), (ins GR16:$src),
2345 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2347 def RCL16ri : Ii8<0xC1, MRM2r, (outs GR16:$dst), (ins GR16:$src, i8imm:$cnt),
2348 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2350 def RCL32r1 : I<0xD1, MRM2r, (outs GR32:$dst), (ins GR32:$src),
2351 "rcl{l}\t{1, $dst|$dst, 1}", []>;
2352 let Uses = [CL] in {
2353 def RCL32rCL : I<0xD3, MRM2r, (outs GR32:$dst), (ins GR32:$src),
2354 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
2356 def RCL32ri : Ii8<0xC1, MRM2r, (outs GR32:$dst), (ins GR32:$src, i8imm:$cnt),
2357 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2359 def RCR8r1 : I<0xD0, MRM3r, (outs GR8:$dst), (ins GR8:$src),
2360 "rcr{b}\t{1, $dst|$dst, 1}", []>;
2361 let Uses = [CL] in {
2362 def RCR8rCL : I<0xD2, MRM3r, (outs GR8:$dst), (ins GR8:$src),
2363 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
2365 def RCR8ri : Ii8<0xC0, MRM3r, (outs GR8:$dst), (ins GR8:$src, i8imm:$cnt),
2366 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2368 def RCR16r1 : I<0xD1, MRM3r, (outs GR16:$dst), (ins GR16:$src),
2369 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2370 let Uses = [CL] in {
2371 def RCR16rCL : I<0xD3, MRM3r, (outs GR16:$dst), (ins GR16:$src),
2372 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2374 def RCR16ri : Ii8<0xC1, MRM3r, (outs GR16:$dst), (ins GR16:$src, i8imm:$cnt),
2375 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2377 def RCR32r1 : I<0xD1, MRM3r, (outs GR32:$dst), (ins GR32:$src),
2378 "rcr{l}\t{1, $dst|$dst, 1}", []>;
2379 let Uses = [CL] in {
2380 def RCR32rCL : I<0xD3, MRM3r, (outs GR32:$dst), (ins GR32:$src),
2381 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
2383 def RCR32ri : Ii8<0xC1, MRM3r, (outs GR32:$dst), (ins GR32:$src, i8imm:$cnt),
2384 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2386 let isTwoAddress = 0 in {
2387 def RCL8m1 : I<0xD0, MRM2m, (outs), (ins i8mem:$dst),
2388 "rcl{b}\t{1, $dst|$dst, 1}", []>;
2389 def RCL8mi : Ii8<0xC0, MRM2m, (outs), (ins i8mem:$dst, i8imm:$cnt),
2390 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2391 def RCL16m1 : I<0xD1, MRM2m, (outs), (ins i16mem:$dst),
2392 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2393 def RCL16mi : Ii8<0xC1, MRM2m, (outs), (ins i16mem:$dst, i8imm:$cnt),
2394 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2395 def RCL32m1 : I<0xD1, MRM2m, (outs), (ins i32mem:$dst),
2396 "rcl{l}\t{1, $dst|$dst, 1}", []>;
2397 def RCL32mi : Ii8<0xC1, MRM2m, (outs), (ins i32mem:$dst, i8imm:$cnt),
2398 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2399 def RCR8m1 : I<0xD0, MRM3m, (outs), (ins i8mem:$dst),
2400 "rcr{b}\t{1, $dst|$dst, 1}", []>;
2401 def RCR8mi : Ii8<0xC0, MRM3m, (outs), (ins i8mem:$dst, i8imm:$cnt),
2402 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2403 def RCR16m1 : I<0xD1, MRM3m, (outs), (ins i16mem:$dst),
2404 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2405 def RCR16mi : Ii8<0xC1, MRM3m, (outs), (ins i16mem:$dst, i8imm:$cnt),
2406 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2407 def RCR32m1 : I<0xD1, MRM3m, (outs), (ins i32mem:$dst),
2408 "rcr{l}\t{1, $dst|$dst, 1}", []>;
2409 def RCR32mi : Ii8<0xC1, MRM3m, (outs), (ins i32mem:$dst, i8imm:$cnt),
2410 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2412 let Uses = [CL] in {
2413 def RCL8mCL : I<0xD2, MRM2m, (outs), (ins i8mem:$dst),
2414 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
2415 def RCL16mCL : I<0xD3, MRM2m, (outs), (ins i16mem:$dst),
2416 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2417 def RCL32mCL : I<0xD3, MRM2m, (outs), (ins i32mem:$dst),
2418 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
2419 def RCR8mCL : I<0xD2, MRM3m, (outs), (ins i8mem:$dst),
2420 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
2421 def RCR16mCL : I<0xD3, MRM3m, (outs), (ins i16mem:$dst),
2422 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2423 def RCR32mCL : I<0xD3, MRM3m, (outs), (ins i32mem:$dst),
2424 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
2428 // FIXME: provide shorter instructions when imm8 == 1
2429 let Uses = [CL] in {
2430 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),
2431 "rol{b}\t{%cl, $dst|$dst, CL}",
2432 [(set GR8:$dst, (rotl GR8:$src, CL))]>;
2433 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src),
2434 "rol{w}\t{%cl, $dst|$dst, CL}",
2435 [(set GR16:$dst, (rotl GR16:$src, CL))]>, OpSize;
2436 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src),
2437 "rol{l}\t{%cl, $dst|$dst, CL}",
2438 [(set GR32:$dst, (rotl GR32:$src, CL))]>;
2441 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2442 "rol{b}\t{$src2, $dst|$dst, $src2}",
2443 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
2444 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2445 "rol{w}\t{$src2, $dst|$dst, $src2}",
2446 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>,
2448 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2449 "rol{l}\t{$src2, $dst|$dst, $src2}",
2450 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
2453 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
2455 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
2456 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
2458 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
2459 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
2461 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
2463 let isTwoAddress = 0 in {
2464 let Uses = [CL] in {
2465 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
2466 "rol{b}\t{%cl, $dst|$dst, CL}",
2467 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
2468 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
2469 "rol{w}\t{%cl, $dst|$dst, CL}",
2470 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2471 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
2472 "rol{l}\t{%cl, $dst|$dst, CL}",
2473 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
2475 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
2476 "rol{b}\t{$src, $dst|$dst, $src}",
2477 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2478 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
2479 "rol{w}\t{$src, $dst|$dst, $src}",
2480 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2482 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
2483 "rol{l}\t{$src, $dst|$dst, $src}",
2484 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2487 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
2489 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2490 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
2492 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2494 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
2496 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2499 let Uses = [CL] in {
2500 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),
2501 "ror{b}\t{%cl, $dst|$dst, CL}",
2502 [(set GR8:$dst, (rotr GR8:$src, CL))]>;
2503 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src),
2504 "ror{w}\t{%cl, $dst|$dst, CL}",
2505 [(set GR16:$dst, (rotr GR16:$src, CL))]>, OpSize;
2506 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src),
2507 "ror{l}\t{%cl, $dst|$dst, CL}",
2508 [(set GR32:$dst, (rotr GR32:$src, CL))]>;
2511 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2512 "ror{b}\t{$src2, $dst|$dst, $src2}",
2513 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
2514 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2515 "ror{w}\t{$src2, $dst|$dst, $src2}",
2516 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>,
2518 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2519 "ror{l}\t{$src2, $dst|$dst, $src2}",
2520 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
2523 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2525 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
2526 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2528 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
2529 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2531 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
2533 let isTwoAddress = 0 in {
2534 let Uses = [CL] in {
2535 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
2536 "ror{b}\t{%cl, $dst|$dst, CL}",
2537 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
2538 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
2539 "ror{w}\t{%cl, $dst|$dst, CL}",
2540 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2541 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
2542 "ror{l}\t{%cl, $dst|$dst, CL}",
2543 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
2545 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2546 "ror{b}\t{$src, $dst|$dst, $src}",
2547 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2548 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
2549 "ror{w}\t{$src, $dst|$dst, $src}",
2550 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2552 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
2553 "ror{l}\t{$src, $dst|$dst, $src}",
2554 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2557 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
2559 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2560 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
2562 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2564 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
2566 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2571 // Double shift instructions (generalizations of rotate)
2572 let Uses = [CL] in {
2573 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst),
2574 (ins GR32:$src1, GR32:$src2),
2575 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2576 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
2577 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst),
2578 (ins GR32:$src1, GR32:$src2),
2579 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2580 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
2581 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst),
2582 (ins GR16:$src1, GR16:$src2),
2583 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2584 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
2586 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst),
2587 (ins GR16:$src1, GR16:$src2),
2588 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2589 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
2593 let isCommutable = 1 in { // These instructions commute to each other.
2594 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
2596 (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2597 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2598 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
2601 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
2603 (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2604 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2605 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
2608 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
2610 (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2611 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2612 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
2615 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
2617 (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2618 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2619 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
2624 let isTwoAddress = 0 in {
2625 let Uses = [CL] in {
2626 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2627 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2628 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
2630 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2631 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2632 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
2635 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
2636 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2637 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2638 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
2639 (i8 imm:$src3)), addr:$dst)]>,
2641 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
2642 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2643 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2644 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
2645 (i8 imm:$src3)), addr:$dst)]>,
2648 let Uses = [CL] in {
2649 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2650 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2651 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
2652 addr:$dst)]>, TB, OpSize;
2653 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2654 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2655 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
2656 addr:$dst)]>, TB, OpSize;
2658 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
2659 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2660 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2661 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
2662 (i8 imm:$src3)), addr:$dst)]>,
2664 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
2665 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2666 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2667 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
2668 (i8 imm:$src3)), addr:$dst)]>,
2671 } // Defs = [EFLAGS]
2675 let Defs = [EFLAGS] in {
2676 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
2677 // Register-Register Addition
2678 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
2679 (ins GR8 :$src1, GR8 :$src2),
2680 "add{b}\t{$src2, $dst|$dst, $src2}",
2681 [(set GR8:$dst, EFLAGS, (X86add_flag GR8:$src1, GR8:$src2))]>;
2683 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2684 // Register-Register Addition
2685 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
2686 (ins GR16:$src1, GR16:$src2),
2687 "add{w}\t{$src2, $dst|$dst, $src2}",
2688 [(set GR16:$dst, EFLAGS, (X86add_flag GR16:$src1,
2689 GR16:$src2))]>, OpSize;
2690 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
2691 (ins GR32:$src1, GR32:$src2),
2692 "add{l}\t{$src2, $dst|$dst, $src2}",
2693 [(set GR32:$dst, EFLAGS, (X86add_flag GR32:$src1,
2695 } // end isConvertibleToThreeAddress
2696 } // end isCommutable
2698 // These are alternate spellings for use by the disassembler, we mark them as
2699 // code gen only to ensure they aren't matched by the assembler.
2700 let isCodeGenOnly = 1 in {
2701 def ADD8rr_alt: I<0x02, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2702 "add{b}\t{$src2, $dst|$dst, $src2}", []>;
2703 def ADD16rr_alt: I<0x03, MRMSrcReg,(outs GR16:$dst),(ins GR16:$src1, GR16:$src2),
2704 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2705 def ADD32rr_alt: I<0x03, MRMSrcReg,(outs GR32:$dst),(ins GR32:$src1, GR32:$src2),
2706 "add{l}\t{$src2, $dst|$dst, $src2}", []>;
2709 // Register-Memory Addition
2710 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
2711 (ins GR8 :$src1, i8mem :$src2),
2712 "add{b}\t{$src2, $dst|$dst, $src2}",
2713 [(set GR8:$dst, EFLAGS, (X86add_flag GR8:$src1,
2714 (load addr:$src2)))]>;
2715 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
2716 (ins GR16:$src1, i16mem:$src2),
2717 "add{w}\t{$src2, $dst|$dst, $src2}",
2718 [(set GR16:$dst, EFLAGS, (X86add_flag GR16:$src1,
2719 (load addr:$src2)))]>, OpSize;
2720 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
2721 (ins GR32:$src1, i32mem:$src2),
2722 "add{l}\t{$src2, $dst|$dst, $src2}",
2723 [(set GR32:$dst, EFLAGS, (X86add_flag GR32:$src1,
2724 (load addr:$src2)))]>;
2726 // Register-Integer Addition
2727 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2728 "add{b}\t{$src2, $dst|$dst, $src2}",
2729 [(set GR8:$dst, EFLAGS,
2730 (X86add_flag GR8:$src1, imm:$src2))]>;
2732 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2733 // Register-Integer Addition
2734 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
2735 (ins GR16:$src1, i16imm:$src2),
2736 "add{w}\t{$src2, $dst|$dst, $src2}",
2737 [(set GR16:$dst, EFLAGS,
2738 (X86add_flag GR16:$src1, imm:$src2))]>, OpSize;
2739 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2740 (ins GR32:$src1, i32imm:$src2),
2741 "add{l}\t{$src2, $dst|$dst, $src2}",
2742 [(set GR32:$dst, EFLAGS,
2743 (X86add_flag GR32:$src1, imm:$src2))]>;
2744 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2745 (ins GR16:$src1, i16i8imm:$src2),
2746 "add{w}\t{$src2, $dst|$dst, $src2}",
2747 [(set GR16:$dst, EFLAGS,
2748 (X86add_flag GR16:$src1, i16immSExt8:$src2))]>, OpSize;
2749 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2750 (ins GR32:$src1, i32i8imm:$src2),
2751 "add{l}\t{$src2, $dst|$dst, $src2}",
2752 [(set GR32:$dst, EFLAGS,
2753 (X86add_flag GR32:$src1, i32immSExt8:$src2))]>;
2756 let isTwoAddress = 0 in {
2757 // Memory-Register Addition
2758 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2759 "add{b}\t{$src2, $dst|$dst, $src2}",
2760 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2761 (implicit EFLAGS)]>;
2762 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2763 "add{w}\t{$src2, $dst|$dst, $src2}",
2764 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2765 (implicit EFLAGS)]>, OpSize;
2766 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2767 "add{l}\t{$src2, $dst|$dst, $src2}",
2768 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2769 (implicit EFLAGS)]>;
2770 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2771 "add{b}\t{$src2, $dst|$dst, $src2}",
2772 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2773 (implicit EFLAGS)]>;
2774 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2775 "add{w}\t{$src2, $dst|$dst, $src2}",
2776 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2777 (implicit EFLAGS)]>, OpSize;
2778 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2779 "add{l}\t{$src2, $dst|$dst, $src2}",
2780 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2781 (implicit EFLAGS)]>;
2782 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2783 "add{w}\t{$src2, $dst|$dst, $src2}",
2784 [(store (add (load addr:$dst), i16immSExt8:$src2),
2786 (implicit EFLAGS)]>, OpSize;
2787 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2788 "add{l}\t{$src2, $dst|$dst, $src2}",
2789 [(store (add (load addr:$dst), i32immSExt8:$src2),
2791 (implicit EFLAGS)]>;
2794 def ADD8i8 : Ii8<0x04, RawFrm, (outs), (ins i8imm:$src),
2795 "add{b}\t{$src, %al|%al, $src}", []>;
2796 def ADD16i16 : Ii16<0x05, RawFrm, (outs), (ins i16imm:$src),
2797 "add{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2798 def ADD32i32 : Ii32<0x05, RawFrm, (outs), (ins i32imm:$src),
2799 "add{l}\t{$src, %eax|%eax, $src}", []>;
2802 let Uses = [EFLAGS] in {
2803 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2804 def ADC8rr : I<0x10, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2805 "adc{b}\t{$src2, $dst|$dst, $src2}",
2806 [(set GR8:$dst, (adde GR8:$src1, GR8:$src2))]>;
2807 def ADC16rr : I<0x11, MRMDestReg, (outs GR16:$dst),
2808 (ins GR16:$src1, GR16:$src2),
2809 "adc{w}\t{$src2, $dst|$dst, $src2}",
2810 [(set GR16:$dst, (adde GR16:$src1, GR16:$src2))]>, OpSize;
2811 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst),
2812 (ins GR32:$src1, GR32:$src2),
2813 "adc{l}\t{$src2, $dst|$dst, $src2}",
2814 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2817 def ADC8rr_REV : I<0x12, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2818 "adc{b}\t{$src2, $dst|$dst, $src2}", []>;
2819 def ADC16rr_REV : I<0x13, MRMSrcReg, (outs GR16:$dst),
2820 (ins GR16:$src1, GR16:$src2),
2821 "adc{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2822 def ADC32rr_REV : I<0x13, MRMSrcReg, (outs GR32:$dst),
2823 (ins GR32:$src1, GR32:$src2),
2824 "adc{l}\t{$src2, $dst|$dst, $src2}", []>;
2826 def ADC8rm : I<0x12, MRMSrcMem , (outs GR8:$dst),
2827 (ins GR8:$src1, i8mem:$src2),
2828 "adc{b}\t{$src2, $dst|$dst, $src2}",
2829 [(set GR8:$dst, (adde GR8:$src1, (load addr:$src2)))]>;
2830 def ADC16rm : I<0x13, MRMSrcMem , (outs GR16:$dst),
2831 (ins GR16:$src1, i16mem:$src2),
2832 "adc{w}\t{$src2, $dst|$dst, $src2}",
2833 [(set GR16:$dst, (adde GR16:$src1, (load addr:$src2)))]>,
2835 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst),
2836 (ins GR32:$src1, i32mem:$src2),
2837 "adc{l}\t{$src2, $dst|$dst, $src2}",
2838 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2839 def ADC8ri : Ii8<0x80, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2840 "adc{b}\t{$src2, $dst|$dst, $src2}",
2841 [(set GR8:$dst, (adde GR8:$src1, imm:$src2))]>;
2842 def ADC16ri : Ii16<0x81, MRM2r, (outs GR16:$dst),
2843 (ins GR16:$src1, i16imm:$src2),
2844 "adc{w}\t{$src2, $dst|$dst, $src2}",
2845 [(set GR16:$dst, (adde GR16:$src1, imm:$src2))]>, OpSize;
2846 def ADC16ri8 : Ii8<0x83, MRM2r, (outs GR16:$dst),
2847 (ins GR16:$src1, i16i8imm:$src2),
2848 "adc{w}\t{$src2, $dst|$dst, $src2}",
2849 [(set GR16:$dst, (adde GR16:$src1, i16immSExt8:$src2))]>,
2851 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst),
2852 (ins GR32:$src1, i32imm:$src2),
2853 "adc{l}\t{$src2, $dst|$dst, $src2}",
2854 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2855 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst),
2856 (ins GR32:$src1, i32i8imm:$src2),
2857 "adc{l}\t{$src2, $dst|$dst, $src2}",
2858 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2860 let isTwoAddress = 0 in {
2861 def ADC8mr : I<0x10, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2862 "adc{b}\t{$src2, $dst|$dst, $src2}",
2863 [(store (adde (load addr:$dst), GR8:$src2), addr:$dst)]>;
2864 def ADC16mr : I<0x11, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2865 "adc{w}\t{$src2, $dst|$dst, $src2}",
2866 [(store (adde (load addr:$dst), GR16:$src2), addr:$dst)]>,
2868 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2869 "adc{l}\t{$src2, $dst|$dst, $src2}",
2870 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2871 def ADC8mi : Ii8<0x80, MRM2m, (outs), (ins i8mem:$dst, i8imm:$src2),
2872 "adc{b}\t{$src2, $dst|$dst, $src2}",
2873 [(store (adde (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2874 def ADC16mi : Ii16<0x81, MRM2m, (outs), (ins i16mem:$dst, i16imm:$src2),
2875 "adc{w}\t{$src2, $dst|$dst, $src2}",
2876 [(store (adde (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2878 def ADC16mi8 : Ii8<0x83, MRM2m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2879 "adc{w}\t{$src2, $dst|$dst, $src2}",
2880 [(store (adde (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2882 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2883 "adc{l}\t{$src2, $dst|$dst, $src2}",
2884 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2885 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2886 "adc{l}\t{$src2, $dst|$dst, $src2}",
2887 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2889 def ADC8i8 : Ii8<0x14, RawFrm, (outs), (ins i8imm:$src),
2890 "adc{b}\t{$src, %al|%al, $src}", []>;
2891 def ADC16i16 : Ii16<0x15, RawFrm, (outs), (ins i16imm:$src),
2892 "adc{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2893 def ADC32i32 : Ii32<0x15, RawFrm, (outs), (ins i32imm:$src),
2894 "adc{l}\t{$src, %eax|%eax, $src}", []>;
2896 } // Uses = [EFLAGS]
2898 // Register-Register Subtraction
2899 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2900 "sub{b}\t{$src2, $dst|$dst, $src2}",
2901 [(set GR8:$dst, EFLAGS,
2902 (X86sub_flag GR8:$src1, GR8:$src2))]>;
2903 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2904 "sub{w}\t{$src2, $dst|$dst, $src2}",
2905 [(set GR16:$dst, EFLAGS,
2906 (X86sub_flag GR16:$src1, GR16:$src2))]>, OpSize;
2907 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2908 "sub{l}\t{$src2, $dst|$dst, $src2}",
2909 [(set GR32:$dst, EFLAGS,
2910 (X86sub_flag GR32:$src1, GR32:$src2))]>;
2912 def SUB8rr_REV : I<0x2A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2913 "sub{b}\t{$src2, $dst|$dst, $src2}", []>;
2914 def SUB16rr_REV : I<0x2B, MRMSrcReg, (outs GR16:$dst),
2915 (ins GR16:$src1, GR16:$src2),
2916 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2917 def SUB32rr_REV : I<0x2B, MRMSrcReg, (outs GR32:$dst),
2918 (ins GR32:$src1, GR32:$src2),
2919 "sub{l}\t{$src2, $dst|$dst, $src2}", []>;
2921 // Register-Memory Subtraction
2922 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
2923 (ins GR8 :$src1, i8mem :$src2),
2924 "sub{b}\t{$src2, $dst|$dst, $src2}",
2925 [(set GR8:$dst, EFLAGS,
2926 (X86sub_flag GR8:$src1, (load addr:$src2)))]>;
2927 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
2928 (ins GR16:$src1, i16mem:$src2),
2929 "sub{w}\t{$src2, $dst|$dst, $src2}",
2930 [(set GR16:$dst, EFLAGS,
2931 (X86sub_flag GR16:$src1, (load addr:$src2)))]>, OpSize;
2932 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
2933 (ins GR32:$src1, i32mem:$src2),
2934 "sub{l}\t{$src2, $dst|$dst, $src2}",
2935 [(set GR32:$dst, EFLAGS,
2936 (X86sub_flag GR32:$src1, (load addr:$src2)))]>;
2938 // Register-Integer Subtraction
2939 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
2940 (ins GR8:$src1, i8imm:$src2),
2941 "sub{b}\t{$src2, $dst|$dst, $src2}",
2942 [(set GR8:$dst, EFLAGS,
2943 (X86sub_flag GR8:$src1, imm:$src2))]>;
2944 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
2945 (ins GR16:$src1, i16imm:$src2),
2946 "sub{w}\t{$src2, $dst|$dst, $src2}",
2947 [(set GR16:$dst, EFLAGS,
2948 (X86sub_flag GR16:$src1, imm:$src2))]>, OpSize;
2949 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
2950 (ins GR32:$src1, i32imm:$src2),
2951 "sub{l}\t{$src2, $dst|$dst, $src2}",
2952 [(set GR32:$dst, EFLAGS,
2953 (X86sub_flag GR32:$src1, imm:$src2))]>;
2954 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
2955 (ins GR16:$src1, i16i8imm:$src2),
2956 "sub{w}\t{$src2, $dst|$dst, $src2}",
2957 [(set GR16:$dst, EFLAGS,
2958 (X86sub_flag GR16:$src1, i16immSExt8:$src2))]>, OpSize;
2959 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
2960 (ins GR32:$src1, i32i8imm:$src2),
2961 "sub{l}\t{$src2, $dst|$dst, $src2}",
2962 [(set GR32:$dst, EFLAGS,
2963 (X86sub_flag GR32:$src1, i32immSExt8:$src2))]>;
2965 let isTwoAddress = 0 in {
2966 // Memory-Register Subtraction
2967 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
2968 "sub{b}\t{$src2, $dst|$dst, $src2}",
2969 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
2970 (implicit EFLAGS)]>;
2971 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2972 "sub{w}\t{$src2, $dst|$dst, $src2}",
2973 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
2974 (implicit EFLAGS)]>, OpSize;
2975 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2976 "sub{l}\t{$src2, $dst|$dst, $src2}",
2977 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
2978 (implicit EFLAGS)]>;
2980 // Memory-Integer Subtraction
2981 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
2982 "sub{b}\t{$src2, $dst|$dst, $src2}",
2983 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
2984 (implicit EFLAGS)]>;
2985 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
2986 "sub{w}\t{$src2, $dst|$dst, $src2}",
2987 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
2988 (implicit EFLAGS)]>, OpSize;
2989 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
2990 "sub{l}\t{$src2, $dst|$dst, $src2}",
2991 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
2992 (implicit EFLAGS)]>;
2993 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2994 "sub{w}\t{$src2, $dst|$dst, $src2}",
2995 [(store (sub (load addr:$dst), i16immSExt8:$src2),
2997 (implicit EFLAGS)]>, OpSize;
2998 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2999 "sub{l}\t{$src2, $dst|$dst, $src2}",
3000 [(store (sub (load addr:$dst), i32immSExt8:$src2),
3002 (implicit EFLAGS)]>;
3004 def SUB8i8 : Ii8<0x2C, RawFrm, (outs), (ins i8imm:$src),
3005 "sub{b}\t{$src, %al|%al, $src}", []>;
3006 def SUB16i16 : Ii16<0x2D, RawFrm, (outs), (ins i16imm:$src),
3007 "sub{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3008 def SUB32i32 : Ii32<0x2D, RawFrm, (outs), (ins i32imm:$src),
3009 "sub{l}\t{$src, %eax|%eax, $src}", []>;
3012 let Uses = [EFLAGS] in {
3013 def SBB8rr : I<0x18, MRMDestReg, (outs GR8:$dst),
3014 (ins GR8:$src1, GR8:$src2),
3015 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3016 [(set GR8:$dst, (sube GR8:$src1, GR8:$src2))]>;
3017 def SBB16rr : I<0x19, MRMDestReg, (outs GR16:$dst),
3018 (ins GR16:$src1, GR16:$src2),
3019 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3020 [(set GR16:$dst, (sube GR16:$src1, GR16:$src2))]>, OpSize;
3021 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst),
3022 (ins GR32:$src1, GR32:$src2),
3023 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3024 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
3026 let isTwoAddress = 0 in {
3027 def SBB8mr : I<0x18, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
3028 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3029 [(store (sube (load addr:$dst), GR8:$src2), addr:$dst)]>;
3030 def SBB16mr : I<0x19, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3031 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3032 [(store (sube (load addr:$dst), GR16:$src2), addr:$dst)]>,
3034 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3035 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3036 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
3037 def SBB8mi : Ii8<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
3038 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3039 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
3040 def SBB16mi : Ii16<0x81, MRM3m, (outs), (ins i16mem:$dst, i16imm:$src2),
3041 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3042 [(store (sube (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
3044 def SBB16mi8 : Ii8<0x83, MRM3m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3045 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3046 [(store (sube (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
3048 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
3049 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3050 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
3051 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3052 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3053 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
3055 def SBB8i8 : Ii8<0x1C, RawFrm, (outs), (ins i8imm:$src),
3056 "sbb{b}\t{$src, %al|%al, $src}", []>;
3057 def SBB16i16 : Ii16<0x1D, RawFrm, (outs), (ins i16imm:$src),
3058 "sbb{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3059 def SBB32i32 : Ii32<0x1D, RawFrm, (outs), (ins i32imm:$src),
3060 "sbb{l}\t{$src, %eax|%eax, $src}", []>;
3063 def SBB8rr_REV : I<0x1A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
3064 "sbb{b}\t{$src2, $dst|$dst, $src2}", []>;
3065 def SBB16rr_REV : I<0x1B, MRMSrcReg, (outs GR16:$dst),
3066 (ins GR16:$src1, GR16:$src2),
3067 "sbb{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
3068 def SBB32rr_REV : I<0x1B, MRMSrcReg, (outs GR32:$dst),
3069 (ins GR32:$src1, GR32:$src2),
3070 "sbb{l}\t{$src2, $dst|$dst, $src2}", []>;
3072 def SBB8rm : I<0x1A, MRMSrcMem, (outs GR8:$dst), (ins GR8:$src1, i8mem:$src2),
3073 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3074 [(set GR8:$dst, (sube GR8:$src1, (load addr:$src2)))]>;
3075 def SBB16rm : I<0x1B, MRMSrcMem, (outs GR16:$dst),
3076 (ins GR16:$src1, i16mem:$src2),
3077 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3078 [(set GR16:$dst, (sube GR16:$src1, (load addr:$src2)))]>,
3080 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst),
3081 (ins GR32:$src1, i32mem:$src2),
3082 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3083 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
3084 def SBB8ri : Ii8<0x80, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
3085 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3086 [(set GR8:$dst, (sube GR8:$src1, imm:$src2))]>;
3087 def SBB16ri : Ii16<0x81, MRM3r, (outs GR16:$dst),
3088 (ins GR16:$src1, i16imm:$src2),
3089 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3090 [(set GR16:$dst, (sube GR16:$src1, imm:$src2))]>, OpSize;
3091 def SBB16ri8 : Ii8<0x83, MRM3r, (outs GR16:$dst),
3092 (ins GR16:$src1, i16i8imm:$src2),
3093 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3094 [(set GR16:$dst, (sube GR16:$src1, i16immSExt8:$src2))]>,
3096 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst),
3097 (ins GR32:$src1, i32imm:$src2),
3098 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3099 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
3100 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst),
3101 (ins GR32:$src1, i32i8imm:$src2),
3102 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3103 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
3104 } // Uses = [EFLAGS]
3105 } // Defs = [EFLAGS]
3107 let Defs = [EFLAGS] in {
3108 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
3109 // Register-Register Signed Integer Multiply
3110 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
3111 "imul{w}\t{$src2, $dst|$dst, $src2}",
3112 [(set GR16:$dst, EFLAGS,
3113 (X86smul_flag GR16:$src1, GR16:$src2))]>, TB, OpSize;
3114 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
3115 "imul{l}\t{$src2, $dst|$dst, $src2}",
3116 [(set GR32:$dst, EFLAGS,
3117 (X86smul_flag GR32:$src1, GR32:$src2))]>, TB;
3120 // Register-Memory Signed Integer Multiply
3121 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
3122 (ins GR16:$src1, i16mem:$src2),
3123 "imul{w}\t{$src2, $dst|$dst, $src2}",
3124 [(set GR16:$dst, EFLAGS,
3125 (X86smul_flag GR16:$src1, (load addr:$src2)))]>,
3127 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst),
3128 (ins GR32:$src1, i32mem:$src2),
3129 "imul{l}\t{$src2, $dst|$dst, $src2}",
3130 [(set GR32:$dst, EFLAGS,
3131 (X86smul_flag GR32:$src1, (load addr:$src2)))]>, TB;
3132 } // Defs = [EFLAGS]
3133 } // end Two Address instructions
3135 // Suprisingly enough, these are not two address instructions!
3136 let Defs = [EFLAGS] in {
3137 // Register-Integer Signed Integer Multiply
3138 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
3139 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
3140 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3141 [(set GR16:$dst, EFLAGS,
3142 (X86smul_flag GR16:$src1, imm:$src2))]>, OpSize;
3143 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
3144 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
3145 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3146 [(set GR32:$dst, EFLAGS,
3147 (X86smul_flag GR32:$src1, imm:$src2))]>;
3148 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
3149 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
3150 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3151 [(set GR16:$dst, EFLAGS,
3152 (X86smul_flag GR16:$src1, i16immSExt8:$src2))]>,
3154 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
3155 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
3156 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3157 [(set GR32:$dst, EFLAGS,
3158 (X86smul_flag GR32:$src1, i32immSExt8:$src2))]>;
3160 // Memory-Integer Signed Integer Multiply
3161 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
3162 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
3163 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3164 [(set GR16:$dst, EFLAGS,
3165 (X86smul_flag (load addr:$src1), imm:$src2))]>,
3167 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
3168 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
3169 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3170 [(set GR32:$dst, EFLAGS,
3171 (X86smul_flag (load addr:$src1), imm:$src2))]>;
3172 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
3173 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
3174 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3175 [(set GR16:$dst, EFLAGS,
3176 (X86smul_flag (load addr:$src1),
3177 i16immSExt8:$src2))]>, OpSize;
3178 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
3179 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
3180 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3181 [(set GR32:$dst, EFLAGS,
3182 (X86smul_flag (load addr:$src1),
3183 i32immSExt8:$src2))]>;
3184 } // Defs = [EFLAGS]
3186 //===----------------------------------------------------------------------===//
3187 // Test instructions are just like AND, except they don't generate a result.
3189 let Defs = [EFLAGS] in {
3190 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
3191 def TEST8rr : I<0x84, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
3192 "test{b}\t{$src2, $src1|$src1, $src2}",
3193 [(set EFLAGS, (X86cmp (and_su GR8:$src1, GR8:$src2), 0))]>;
3194 def TEST16rr : I<0x85, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
3195 "test{w}\t{$src2, $src1|$src1, $src2}",
3196 [(set EFLAGS, (X86cmp (and_su GR16:$src1, GR16:$src2),
3199 def TEST32rr : I<0x85, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
3200 "test{l}\t{$src2, $src1|$src1, $src2}",
3201 [(set EFLAGS, (X86cmp (and_su GR32:$src1, GR32:$src2),
3205 def TEST8i8 : Ii8<0xA8, RawFrm, (outs), (ins i8imm:$src),
3206 "test{b}\t{$src, %al|%al, $src}", []>;
3207 def TEST16i16 : Ii16<0xA9, RawFrm, (outs), (ins i16imm:$src),
3208 "test{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3209 def TEST32i32 : Ii32<0xA9, RawFrm, (outs), (ins i32imm:$src),
3210 "test{l}\t{$src, %eax|%eax, $src}", []>;
3212 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
3213 "test{b}\t{$src2, $src1|$src1, $src2}",
3214 [(set EFLAGS, (X86cmp (and GR8:$src1, (loadi8 addr:$src2)),
3216 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
3217 "test{w}\t{$src2, $src1|$src1, $src2}",
3218 [(set EFLAGS, (X86cmp (and GR16:$src1,
3219 (loadi16 addr:$src2)), 0))]>, OpSize;
3220 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
3221 "test{l}\t{$src2, $src1|$src1, $src2}",
3222 [(set EFLAGS, (X86cmp (and GR32:$src1,
3223 (loadi32 addr:$src2)), 0))]>;
3225 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
3226 (outs), (ins GR8:$src1, i8imm:$src2),
3227 "test{b}\t{$src2, $src1|$src1, $src2}",
3228 [(set EFLAGS, (X86cmp (and_su GR8:$src1, imm:$src2), 0))]>;
3229 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
3230 (outs), (ins GR16:$src1, i16imm:$src2),
3231 "test{w}\t{$src2, $src1|$src1, $src2}",
3232 [(set EFLAGS, (X86cmp (and_su GR16:$src1, imm:$src2), 0))]>,
3234 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
3235 (outs), (ins GR32:$src1, i32imm:$src2),
3236 "test{l}\t{$src2, $src1|$src1, $src2}",
3237 [(set EFLAGS, (X86cmp (and_su GR32:$src1, imm:$src2), 0))]>;
3239 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
3240 (outs), (ins i8mem:$src1, i8imm:$src2),
3241 "test{b}\t{$src2, $src1|$src1, $src2}",
3242 [(set EFLAGS, (X86cmp (and (loadi8 addr:$src1), imm:$src2),
3244 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
3245 (outs), (ins i16mem:$src1, i16imm:$src2),
3246 "test{w}\t{$src2, $src1|$src1, $src2}",
3247 [(set EFLAGS, (X86cmp (and (loadi16 addr:$src1), imm:$src2),
3249 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
3250 (outs), (ins i32mem:$src1, i32imm:$src2),
3251 "test{l}\t{$src2, $src1|$src1, $src2}",
3252 [(set EFLAGS, (X86cmp (and (loadi32 addr:$src1), imm:$src2),
3254 } // Defs = [EFLAGS]
3257 // Condition code ops, incl. set if equal/not equal/...
3258 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
3259 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
3260 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
3261 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
3263 let Uses = [EFLAGS] in {
3264 // Use sbb to materialize carry bit.
3265 let Defs = [EFLAGS], isCodeGenOnly = 1 in {
3266 // FIXME: These are pseudo ops that should be replaced with Pat<> patterns.
3267 // However, Pat<> can't replicate the destination reg into the inputs of the
3269 // FIXME: Change these to have encoding Pseudo when X86MCCodeEmitter replaces
3271 def SETB_C8r : I<0x18, MRMInitReg, (outs GR8:$dst), (ins), "",
3272 [(set GR8:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>;
3273 def SETB_C16r : I<0x19, MRMInitReg, (outs GR16:$dst), (ins), "",
3274 [(set GR16:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>,
3276 def SETB_C32r : I<0x19, MRMInitReg, (outs GR32:$dst), (ins), "",
3277 [(set GR32:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>;
3280 def SETEr : I<0x94, MRM0r,
3281 (outs GR8 :$dst), (ins),
3283 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
3285 def SETEm : I<0x94, MRM0m,
3286 (outs), (ins i8mem:$dst),
3288 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
3291 def SETNEr : I<0x95, MRM0r,
3292 (outs GR8 :$dst), (ins),
3294 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
3296 def SETNEm : I<0x95, MRM0m,
3297 (outs), (ins i8mem:$dst),
3299 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
3302 def SETLr : I<0x9C, MRM0r,
3303 (outs GR8 :$dst), (ins),
3305 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
3306 TB; // GR8 = < signed
3307 def SETLm : I<0x9C, MRM0m,
3308 (outs), (ins i8mem:$dst),
3310 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
3311 TB; // [mem8] = < signed
3313 def SETGEr : I<0x9D, MRM0r,
3314 (outs GR8 :$dst), (ins),
3316 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
3317 TB; // GR8 = >= signed
3318 def SETGEm : I<0x9D, MRM0m,
3319 (outs), (ins i8mem:$dst),
3321 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
3322 TB; // [mem8] = >= signed
3324 def SETLEr : I<0x9E, MRM0r,
3325 (outs GR8 :$dst), (ins),
3327 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
3328 TB; // GR8 = <= signed
3329 def SETLEm : I<0x9E, MRM0m,
3330 (outs), (ins i8mem:$dst),
3332 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
3333 TB; // [mem8] = <= signed
3335 def SETGr : I<0x9F, MRM0r,
3336 (outs GR8 :$dst), (ins),
3338 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
3339 TB; // GR8 = > signed
3340 def SETGm : I<0x9F, MRM0m,
3341 (outs), (ins i8mem:$dst),
3343 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
3344 TB; // [mem8] = > signed
3346 def SETBr : I<0x92, MRM0r,
3347 (outs GR8 :$dst), (ins),
3349 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
3350 TB; // GR8 = < unsign
3351 def SETBm : I<0x92, MRM0m,
3352 (outs), (ins i8mem:$dst),
3354 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
3355 TB; // [mem8] = < unsign
3357 def SETAEr : I<0x93, MRM0r,
3358 (outs GR8 :$dst), (ins),
3360 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
3361 TB; // GR8 = >= unsign
3362 def SETAEm : I<0x93, MRM0m,
3363 (outs), (ins i8mem:$dst),
3365 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
3366 TB; // [mem8] = >= unsign
3368 def SETBEr : I<0x96, MRM0r,
3369 (outs GR8 :$dst), (ins),
3371 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
3372 TB; // GR8 = <= unsign
3373 def SETBEm : I<0x96, MRM0m,
3374 (outs), (ins i8mem:$dst),
3376 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
3377 TB; // [mem8] = <= unsign
3379 def SETAr : I<0x97, MRM0r,
3380 (outs GR8 :$dst), (ins),
3382 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
3383 TB; // GR8 = > signed
3384 def SETAm : I<0x97, MRM0m,
3385 (outs), (ins i8mem:$dst),
3387 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
3388 TB; // [mem8] = > signed
3390 def SETSr : I<0x98, MRM0r,
3391 (outs GR8 :$dst), (ins),
3393 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
3394 TB; // GR8 = <sign bit>
3395 def SETSm : I<0x98, MRM0m,
3396 (outs), (ins i8mem:$dst),
3398 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
3399 TB; // [mem8] = <sign bit>
3400 def SETNSr : I<0x99, MRM0r,
3401 (outs GR8 :$dst), (ins),
3403 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
3404 TB; // GR8 = !<sign bit>
3405 def SETNSm : I<0x99, MRM0m,
3406 (outs), (ins i8mem:$dst),
3408 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
3409 TB; // [mem8] = !<sign bit>
3411 def SETPr : I<0x9A, MRM0r,
3412 (outs GR8 :$dst), (ins),
3414 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
3416 def SETPm : I<0x9A, MRM0m,
3417 (outs), (ins i8mem:$dst),
3419 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
3420 TB; // [mem8] = parity
3421 def SETNPr : I<0x9B, MRM0r,
3422 (outs GR8 :$dst), (ins),
3424 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
3425 TB; // GR8 = not parity
3426 def SETNPm : I<0x9B, MRM0m,
3427 (outs), (ins i8mem:$dst),
3429 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
3430 TB; // [mem8] = not parity
3432 def SETOr : I<0x90, MRM0r,
3433 (outs GR8 :$dst), (ins),
3435 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
3436 TB; // GR8 = overflow
3437 def SETOm : I<0x90, MRM0m,
3438 (outs), (ins i8mem:$dst),
3440 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
3441 TB; // [mem8] = overflow
3442 def SETNOr : I<0x91, MRM0r,
3443 (outs GR8 :$dst), (ins),
3445 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
3446 TB; // GR8 = not overflow
3447 def SETNOm : I<0x91, MRM0m,
3448 (outs), (ins i8mem:$dst),
3450 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
3451 TB; // [mem8] = not overflow
3452 } // Uses = [EFLAGS]
3455 // Integer comparisons
3456 let Defs = [EFLAGS] in {
3457 def CMP8i8 : Ii8<0x3C, RawFrm, (outs), (ins i8imm:$src),
3458 "cmp{b}\t{$src, %al|%al, $src}", []>;
3459 def CMP16i16 : Ii16<0x3D, RawFrm, (outs), (ins i16imm:$src),
3460 "cmp{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3461 def CMP32i32 : Ii32<0x3D, RawFrm, (outs), (ins i32imm:$src),
3462 "cmp{l}\t{$src, %eax|%eax, $src}", []>;
3464 def CMP8rr : I<0x38, MRMDestReg,
3465 (outs), (ins GR8 :$src1, GR8 :$src2),
3466 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3467 [(set EFLAGS, (X86cmp GR8:$src1, GR8:$src2))]>;
3468 def CMP16rr : I<0x39, MRMDestReg,
3469 (outs), (ins GR16:$src1, GR16:$src2),
3470 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3471 [(set EFLAGS, (X86cmp GR16:$src1, GR16:$src2))]>, OpSize;
3472 def CMP32rr : I<0x39, MRMDestReg,
3473 (outs), (ins GR32:$src1, GR32:$src2),
3474 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3475 [(set EFLAGS, (X86cmp GR32:$src1, GR32:$src2))]>;
3476 def CMP8mr : I<0x38, MRMDestMem,
3477 (outs), (ins i8mem :$src1, GR8 :$src2),
3478 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3479 [(set EFLAGS, (X86cmp (loadi8 addr:$src1), GR8:$src2))]>;
3480 def CMP16mr : I<0x39, MRMDestMem,
3481 (outs), (ins i16mem:$src1, GR16:$src2),
3482 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3483 [(set EFLAGS, (X86cmp (loadi16 addr:$src1), GR16:$src2))]>,
3485 def CMP32mr : I<0x39, MRMDestMem,
3486 (outs), (ins i32mem:$src1, GR32:$src2),
3487 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3488 [(set EFLAGS, (X86cmp (loadi32 addr:$src1), GR32:$src2))]>;
3489 def CMP8rm : I<0x3A, MRMSrcMem,
3490 (outs), (ins GR8 :$src1, i8mem :$src2),
3491 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3492 [(set EFLAGS, (X86cmp GR8:$src1, (loadi8 addr:$src2)))]>;
3493 def CMP16rm : I<0x3B, MRMSrcMem,
3494 (outs), (ins GR16:$src1, i16mem:$src2),
3495 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3496 [(set EFLAGS, (X86cmp GR16:$src1, (loadi16 addr:$src2)))]>,
3498 def CMP32rm : I<0x3B, MRMSrcMem,
3499 (outs), (ins GR32:$src1, i32mem:$src2),
3500 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3501 [(set EFLAGS, (X86cmp GR32:$src1, (loadi32 addr:$src2)))]>;
3503 // These are alternate spellings for use by the disassembler, we mark them as
3504 // code gen only to ensure they aren't matched by the assembler.
3505 let isCodeGenOnly = 1 in {
3506 def CMP8rr_alt : I<0x3A, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
3507 "cmp{b}\t{$src2, $src1|$src1, $src2}", []>;
3508 def CMP16rr_alt : I<0x3B, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
3509 "cmp{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize;
3510 def CMP32rr_alt : I<0x3B, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
3511 "cmp{l}\t{$src2, $src1|$src1, $src2}", []>;
3514 def CMP8ri : Ii8<0x80, MRM7r,
3515 (outs), (ins GR8:$src1, i8imm:$src2),
3516 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3517 [(set EFLAGS, (X86cmp GR8:$src1, imm:$src2))]>;
3518 def CMP16ri : Ii16<0x81, MRM7r,
3519 (outs), (ins GR16:$src1, i16imm:$src2),
3520 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3521 [(set EFLAGS, (X86cmp GR16:$src1, imm:$src2))]>, OpSize;
3522 def CMP32ri : Ii32<0x81, MRM7r,
3523 (outs), (ins GR32:$src1, i32imm:$src2),
3524 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3525 [(set EFLAGS, (X86cmp GR32:$src1, imm:$src2))]>;
3526 def CMP8mi : Ii8 <0x80, MRM7m,
3527 (outs), (ins i8mem :$src1, i8imm :$src2),
3528 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3529 [(set EFLAGS, (X86cmp (loadi8 addr:$src1), imm:$src2))]>;
3530 def CMP16mi : Ii16<0x81, MRM7m,
3531 (outs), (ins i16mem:$src1, i16imm:$src2),
3532 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3533 [(set EFLAGS, (X86cmp (loadi16 addr:$src1), imm:$src2))]>,
3535 def CMP32mi : Ii32<0x81, MRM7m,
3536 (outs), (ins i32mem:$src1, i32imm:$src2),
3537 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3538 [(set EFLAGS, (X86cmp (loadi32 addr:$src1), imm:$src2))]>;
3539 def CMP16ri8 : Ii8<0x83, MRM7r,
3540 (outs), (ins GR16:$src1, i16i8imm:$src2),
3541 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3542 [(set EFLAGS, (X86cmp GR16:$src1, i16immSExt8:$src2))]>,
3544 def CMP16mi8 : Ii8<0x83, MRM7m,
3545 (outs), (ins i16mem:$src1, i16i8imm:$src2),
3546 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3547 [(set EFLAGS, (X86cmp (loadi16 addr:$src1),
3548 i16immSExt8:$src2))]>, OpSize;
3549 def CMP32mi8 : Ii8<0x83, MRM7m,
3550 (outs), (ins i32mem:$src1, i32i8imm:$src2),
3551 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3552 [(set EFLAGS, (X86cmp (loadi32 addr:$src1),
3553 i32immSExt8:$src2))]>;
3554 def CMP32ri8 : Ii8<0x83, MRM7r,
3555 (outs), (ins GR32:$src1, i32i8imm:$src2),
3556 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3557 [(set EFLAGS, (X86cmp GR32:$src1, i32immSExt8:$src2))]>;
3558 } // Defs = [EFLAGS]
3561 // TODO: BTC, BTR, and BTS
3562 let Defs = [EFLAGS] in {
3563 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3564 "bt{w}\t{$src2, $src1|$src1, $src2}",
3565 [(set EFLAGS, (X86bt GR16:$src1, GR16:$src2))]>, OpSize, TB;
3566 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3567 "bt{l}\t{$src2, $src1|$src1, $src2}",
3568 [(set EFLAGS, (X86bt GR32:$src1, GR32:$src2))]>, TB;
3570 // Unlike with the register+register form, the memory+register form of the
3571 // bt instruction does not ignore the high bits of the index. From ISel's
3572 // perspective, this is pretty bizarre. Make these instructions disassembly
3575 def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3576 "bt{w}\t{$src2, $src1|$src1, $src2}",
3577 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
3578 // (implicit EFLAGS)]
3580 >, OpSize, TB, Requires<[FastBTMem]>;
3581 def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3582 "bt{l}\t{$src2, $src1|$src1, $src2}",
3583 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
3584 // (implicit EFLAGS)]
3586 >, TB, Requires<[FastBTMem]>;
3588 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3589 "bt{w}\t{$src2, $src1|$src1, $src2}",
3590 [(set EFLAGS, (X86bt GR16:$src1, i16immSExt8:$src2))]>,
3592 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3593 "bt{l}\t{$src2, $src1|$src1, $src2}",
3594 [(set EFLAGS, (X86bt GR32:$src1, i32immSExt8:$src2))]>, TB;
3595 // Note that these instructions don't need FastBTMem because that
3596 // only applies when the other operand is in a register. When it's
3597 // an immediate, bt is still fast.
3598 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3599 "bt{w}\t{$src2, $src1|$src1, $src2}",
3600 [(set EFLAGS, (X86bt (loadi16 addr:$src1), i16immSExt8:$src2))
3602 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3603 "bt{l}\t{$src2, $src1|$src1, $src2}",
3604 [(set EFLAGS, (X86bt (loadi32 addr:$src1), i32immSExt8:$src2))
3607 def BTC16rr : I<0xBB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3608 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3609 def BTC32rr : I<0xBB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3610 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3611 def BTC16mr : I<0xBB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3612 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3613 def BTC32mr : I<0xBB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3614 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3615 def BTC16ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3616 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3617 def BTC32ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3618 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3619 def BTC16mi8 : Ii8<0xBA, MRM7m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3620 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3621 def BTC32mi8 : Ii8<0xBA, MRM7m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3622 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3624 def BTR16rr : I<0xB3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3625 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3626 def BTR32rr : I<0xB3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3627 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3628 def BTR16mr : I<0xB3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3629 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3630 def BTR32mr : I<0xB3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3631 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3632 def BTR16ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3633 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3634 def BTR32ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3635 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3636 def BTR16mi8 : Ii8<0xBA, MRM6m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3637 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3638 def BTR32mi8 : Ii8<0xBA, MRM6m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3639 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3641 def BTS16rr : I<0xAB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3642 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3643 def BTS32rr : I<0xAB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3644 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3645 def BTS16mr : I<0xAB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3646 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3647 def BTS32mr : I<0xAB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3648 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3649 def BTS16ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3650 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3651 def BTS32ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3652 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3653 def BTS16mi8 : Ii8<0xBA, MRM5m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3654 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3655 def BTS32mi8 : Ii8<0xBA, MRM5m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3656 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3657 } // Defs = [EFLAGS]
3659 // Sign/Zero extenders
3660 // Use movsbl intead of movsbw; we don't care about the high 16 bits
3661 // of the register here. This has a smaller encoding and avoids a
3662 // partial-register update. Actual movsbw included for the disassembler.
3663 def MOVSX16rr8W : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src),
3664 "movs{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3665 def MOVSX16rm8W : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src),
3666 "movs{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3667 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3668 "", [(set GR16:$dst, (sext GR8:$src))]>, TB;
3669 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3670 "", [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
3671 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3672 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3673 [(set GR32:$dst, (sext GR8:$src))]>, TB;
3674 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3675 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3676 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
3677 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3678 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3679 [(set GR32:$dst, (sext GR16:$src))]>, TB;
3680 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3681 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3682 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
3684 // Use movzbl intead of movzbw; we don't care about the high 16 bits
3685 // of the register here. This has a smaller encoding and avoids a
3686 // partial-register update. Actual movzbw included for the disassembler.
3687 def MOVZX16rr8W : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src),
3688 "movz{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3689 def MOVZX16rm8W : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src),
3690 "movz{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3691 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3692 "", [(set GR16:$dst, (zext GR8:$src))]>, TB;
3693 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3694 "", [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
3695 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3696 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3697 [(set GR32:$dst, (zext GR8:$src))]>, TB;
3698 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3699 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3700 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
3701 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3702 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3703 [(set GR32:$dst, (zext GR16:$src))]>, TB;
3704 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3705 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3706 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
3708 // These are the same as the regular MOVZX32rr8 and MOVZX32rm8
3709 // except that they use GR32_NOREX for the output operand register class
3710 // instead of GR32. This allows them to operate on h registers on x86-64.
3711 def MOVZX32_NOREXrr8 : I<0xB6, MRMSrcReg,
3712 (outs GR32_NOREX:$dst), (ins GR8:$src),
3713 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3716 def MOVZX32_NOREXrm8 : I<0xB6, MRMSrcMem,
3717 (outs GR32_NOREX:$dst), (ins i8mem:$src),
3718 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3721 let neverHasSideEffects = 1 in {
3722 let Defs = [AX], Uses = [AL] in
3723 def CBW : I<0x98, RawFrm, (outs), (ins),
3724 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
3725 let Defs = [EAX], Uses = [AX] in
3726 def CWDE : I<0x98, RawFrm, (outs), (ins),
3727 "{cwtl|cwde}", []>; // EAX = signext(AX)
3729 let Defs = [AX,DX], Uses = [AX] in
3730 def CWD : I<0x99, RawFrm, (outs), (ins),
3731 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
3732 let Defs = [EAX,EDX], Uses = [EAX] in
3733 def CDQ : I<0x99, RawFrm, (outs), (ins),
3734 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
3737 //===----------------------------------------------------------------------===//
3738 // Alias Instructions
3739 //===----------------------------------------------------------------------===//
3741 // Alias instructions that map movr0 to xor.
3742 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
3743 // FIXME: Set encoding to pseudo.
3744 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1,
3745 isCodeGenOnly = 1 in {
3746 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins), "",
3747 [(set GR8:$dst, 0)]>;
3749 // We want to rewrite MOV16r0 in terms of MOV32r0, because it's a smaller
3750 // encoding and avoids a partial-register update sometimes, but doing so
3751 // at isel time interferes with rematerialization in the current register
3752 // allocator. For now, this is rewritten when the instruction is lowered
3754 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
3756 [(set GR16:$dst, 0)]>, OpSize;
3758 // FIXME: Set encoding to pseudo.
3759 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins), "",
3760 [(set GR32:$dst, 0)]>;
3763 //===----------------------------------------------------------------------===//
3764 // Thread Local Storage Instructions
3767 // All calls clobber the non-callee saved registers. ESP is marked as
3768 // a use to prevent stack-pointer assignments that appear immediately
3769 // before calls from potentially appearing dead.
3770 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
3771 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
3772 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
3773 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
3775 def TLS_addr32 : I<0, Pseudo, (outs), (ins lea32mem:$sym),
3776 "leal\t$sym, %eax; "
3777 "call\t___tls_get_addr@PLT",
3778 [(X86tlsaddr tls32addr:$sym)]>,
3779 Requires<[In32BitMode]>;
3781 let AddedComplexity = 5, isCodeGenOnly = 1 in
3782 def GS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3783 "movl\t%gs:$src, $dst",
3784 [(set GR32:$dst, (gsload addr:$src))]>, SegGS;
3786 let AddedComplexity = 5, isCodeGenOnly = 1 in
3787 def FS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3788 "movl\t%fs:$src, $dst",
3789 [(set GR32:$dst, (fsload addr:$src))]>, SegFS;
3791 //===----------------------------------------------------------------------===//
3792 // EH Pseudo Instructions
3794 let isTerminator = 1, isReturn = 1, isBarrier = 1,
3795 hasCtrlDep = 1, isCodeGenOnly = 1 in {
3796 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
3797 "ret\t#eh_return, addr: $addr",
3798 [(X86ehret GR32:$addr)]>;
3802 //===----------------------------------------------------------------------===//
3806 // Atomic swap. These are just normal xchg instructions. But since a memory
3807 // operand is referenced, the atomicity is ensured.
3808 let Constraints = "$val = $dst" in {
3809 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst),
3810 (ins GR32:$val, i32mem:$ptr),
3811 "xchg{l}\t{$val, $ptr|$ptr, $val}",
3812 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
3813 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst),
3814 (ins GR16:$val, i16mem:$ptr),
3815 "xchg{w}\t{$val, $ptr|$ptr, $val}",
3816 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
3818 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr),
3819 "xchg{b}\t{$val, $ptr|$ptr, $val}",
3820 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
3822 def XCHG32rr : I<0x87, MRMSrcReg, (outs GR32:$dst), (ins GR32:$val, GR32:$src),
3823 "xchg{l}\t{$val, $src|$src, $val}", []>;
3824 def XCHG16rr : I<0x87, MRMSrcReg, (outs GR16:$dst), (ins GR16:$val, GR16:$src),
3825 "xchg{w}\t{$val, $src|$src, $val}", []>, OpSize;
3826 def XCHG8rr : I<0x86, MRMSrcReg, (outs GR8:$dst), (ins GR8:$val, GR8:$src),
3827 "xchg{b}\t{$val, $src|$src, $val}", []>;
3830 def XCHG16ar : I<0x90, AddRegFrm, (outs), (ins GR16:$src),
3831 "xchg{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3832 def XCHG32ar : I<0x90, AddRegFrm, (outs), (ins GR32:$src),
3833 "xchg{l}\t{$src, %eax|%eax, $src}", []>;
3835 // Atomic compare and swap.
3836 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
3837 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
3839 "cmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
3840 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
3842 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
3843 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$ptr),
3846 [(X86cas8 addr:$ptr)]>, TB, LOCK;
3849 let Defs = [AX, EFLAGS], Uses = [AX] in {
3850 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
3852 "cmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
3853 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
3855 let Defs = [AL, EFLAGS], Uses = [AL] in {
3856 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
3858 "cmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
3859 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
3862 // Atomic exchange and add
3863 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
3864 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins GR32:$val, i32mem:$ptr),
3866 "xadd{l}\t{$val, $ptr|$ptr, $val}",
3867 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
3869 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins GR16:$val, i16mem:$ptr),
3871 "xadd{w}\t{$val, $ptr|$ptr, $val}",
3872 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
3874 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr),
3876 "xadd{b}\t{$val, $ptr|$ptr, $val}",
3877 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
3881 def XADD8rr : I<0xC0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
3882 "xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
3883 def XADD16rr : I<0xC1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
3884 "xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3885 def XADD32rr : I<0xC1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
3886 "xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
3888 let mayLoad = 1, mayStore = 1 in {
3889 def XADD8rm : I<0xC0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
3890 "xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
3891 def XADD16rm : I<0xC1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
3892 "xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3893 def XADD32rm : I<0xC1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
3894 "xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
3897 def CMPXCHG8rr : I<0xB0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
3898 "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
3899 def CMPXCHG16rr : I<0xB1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
3900 "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3901 def CMPXCHG32rr : I<0xB1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
3902 "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
3904 let mayLoad = 1, mayStore = 1 in {
3905 def CMPXCHG8rm : I<0xB0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
3906 "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
3907 def CMPXCHG16rm : I<0xB1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
3908 "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3909 def CMPXCHG32rm : I<0xB1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
3910 "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
3913 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in
3914 def CMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$dst),
3915 "cmpxchg8b\t$dst", []>, TB;
3917 // Optimized codegen when the non-memory output is not used.
3918 // FIXME: Use normal add / sub instructions and add lock prefix dynamically.
3919 let Defs = [EFLAGS], mayLoad = 1, mayStore = 1 in {
3920 def LOCK_ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
3922 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3923 def LOCK_ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3925 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3926 def LOCK_ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3928 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3929 def LOCK_ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
3931 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3932 def LOCK_ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
3934 "add{w}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3935 def LOCK_ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
3937 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3938 def LOCK_ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3940 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3941 def LOCK_ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3943 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3945 def LOCK_INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst),
3947 "inc{b}\t$dst", []>, LOCK;
3948 def LOCK_INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst),
3950 "inc{w}\t$dst", []>, OpSize, LOCK;
3951 def LOCK_INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst),
3953 "inc{l}\t$dst", []>, LOCK;
3955 def LOCK_SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
3957 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3958 def LOCK_SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3960 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3961 def LOCK_SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3963 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3964 def LOCK_SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
3966 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3967 def LOCK_SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
3969 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3970 def LOCK_SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
3972 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3973 def LOCK_SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3975 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3976 def LOCK_SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3978 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3980 def LOCK_DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst),
3982 "dec{b}\t$dst", []>, LOCK;
3983 def LOCK_DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst),
3985 "dec{w}\t$dst", []>, OpSize, LOCK;
3986 def LOCK_DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst),
3988 "dec{l}\t$dst", []>, LOCK;
3991 // Atomic exchange, and, or, xor
3992 let Constraints = "$val = $dst", Defs = [EFLAGS],
3993 usesCustomInserter = 1 in {
3994 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3995 "#ATOMAND32 PSEUDO!",
3996 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
3997 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3998 "#ATOMOR32 PSEUDO!",
3999 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
4000 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4001 "#ATOMXOR32 PSEUDO!",
4002 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
4003 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4004 "#ATOMNAND32 PSEUDO!",
4005 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
4006 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
4007 "#ATOMMIN32 PSEUDO!",
4008 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
4009 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4010 "#ATOMMAX32 PSEUDO!",
4011 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
4012 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4013 "#ATOMUMIN32 PSEUDO!",
4014 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
4015 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4016 "#ATOMUMAX32 PSEUDO!",
4017 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
4019 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4020 "#ATOMAND16 PSEUDO!",
4021 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
4022 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4023 "#ATOMOR16 PSEUDO!",
4024 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
4025 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4026 "#ATOMXOR16 PSEUDO!",
4027 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
4028 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4029 "#ATOMNAND16 PSEUDO!",
4030 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
4031 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
4032 "#ATOMMIN16 PSEUDO!",
4033 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
4034 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4035 "#ATOMMAX16 PSEUDO!",
4036 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
4037 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4038 "#ATOMUMIN16 PSEUDO!",
4039 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
4040 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4041 "#ATOMUMAX16 PSEUDO!",
4042 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
4044 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4045 "#ATOMAND8 PSEUDO!",
4046 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
4047 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4049 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
4050 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4051 "#ATOMXOR8 PSEUDO!",
4052 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
4053 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4054 "#ATOMNAND8 PSEUDO!",
4055 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
4058 let Constraints = "$val1 = $dst1, $val2 = $dst2",
4059 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
4060 Uses = [EAX, EBX, ECX, EDX],
4061 mayLoad = 1, mayStore = 1,
4062 usesCustomInserter = 1 in {
4063 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4064 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4065 "#ATOMAND6432 PSEUDO!", []>;
4066 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4067 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4068 "#ATOMOR6432 PSEUDO!", []>;
4069 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4070 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4071 "#ATOMXOR6432 PSEUDO!", []>;
4072 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4073 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4074 "#ATOMNAND6432 PSEUDO!", []>;
4075 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4076 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4077 "#ATOMADD6432 PSEUDO!", []>;
4078 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4079 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4080 "#ATOMSUB6432 PSEUDO!", []>;
4081 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4082 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4083 "#ATOMSWAP6432 PSEUDO!", []>;
4086 // Segmentation support instructions.
4088 def LAR16rm : I<0x02, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
4089 "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4090 def LAR16rr : I<0x02, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
4091 "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4093 // i16mem operand in LAR32rm and GR32 operand in LAR32rr is not a typo.
4094 def LAR32rm : I<0x02, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
4095 "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
4096 def LAR32rr : I<0x02, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4097 "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
4099 def LSL16rm : I<0x03, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
4100 "lsl{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4101 def LSL16rr : I<0x03, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
4102 "lsl{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4103 def LSL32rm : I<0x03, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
4104 "lsl{l}\t{$src, $dst|$dst, $src}", []>, TB;
4105 def LSL32rr : I<0x03, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4106 "lsl{l}\t{$src, $dst|$dst, $src}", []>, TB;
4108 def INVLPG : I<0x01, MRM7m, (outs), (ins i8mem:$addr), "invlpg\t$addr", []>, TB;
4110 def STRr : I<0x00, MRM1r, (outs GR16:$dst), (ins),
4111 "str{w}\t{$dst}", []>, TB;
4112 def STRm : I<0x00, MRM1m, (outs i16mem:$dst), (ins),
4113 "str{w}\t{$dst}", []>, TB;
4114 def LTRr : I<0x00, MRM3r, (outs), (ins GR16:$src),
4115 "ltr{w}\t{$src}", []>, TB;
4116 def LTRm : I<0x00, MRM3m, (outs), (ins i16mem:$src),
4117 "ltr{w}\t{$src}", []>, TB;
4119 def PUSHFS16 : I<0xa0, RawFrm, (outs), (ins),
4120 "push{w}\t%fs", []>, OpSize, TB;
4121 def PUSHFS32 : I<0xa0, RawFrm, (outs), (ins),
4122 "push{l}\t%fs", []>, TB;
4123 def PUSHGS16 : I<0xa8, RawFrm, (outs), (ins),
4124 "push{w}\t%gs", []>, OpSize, TB;
4125 def PUSHGS32 : I<0xa8, RawFrm, (outs), (ins),
4126 "push{l}\t%gs", []>, TB;
4128 def POPFS16 : I<0xa1, RawFrm, (outs), (ins),
4129 "pop{w}\t%fs", []>, OpSize, TB;
4130 def POPFS32 : I<0xa1, RawFrm, (outs), (ins),
4131 "pop{l}\t%fs", []>, TB;
4132 def POPGS16 : I<0xa9, RawFrm, (outs), (ins),
4133 "pop{w}\t%gs", []>, OpSize, TB;
4134 def POPGS32 : I<0xa9, RawFrm, (outs), (ins),
4135 "pop{l}\t%gs", []>, TB;
4137 def LDS16rm : I<0xc5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4138 "lds{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
4139 def LDS32rm : I<0xc5, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4140 "lds{l}\t{$src, $dst|$dst, $src}", []>;
4141 def LSS16rm : I<0xb2, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4142 "lss{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4143 def LSS32rm : I<0xb2, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4144 "lss{l}\t{$src, $dst|$dst, $src}", []>, TB;
4145 def LES16rm : I<0xc4, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4146 "les{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
4147 def LES32rm : I<0xc4, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4148 "les{l}\t{$src, $dst|$dst, $src}", []>;
4149 def LFS16rm : I<0xb4, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4150 "lfs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4151 def LFS32rm : I<0xb4, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4152 "lfs{l}\t{$src, $dst|$dst, $src}", []>, TB;
4153 def LGS16rm : I<0xb5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4154 "lgs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4155 def LGS32rm : I<0xb5, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4156 "lgs{l}\t{$src, $dst|$dst, $src}", []>, TB;
4158 def VERRr : I<0x00, MRM4r, (outs), (ins GR16:$seg),
4159 "verr\t$seg", []>, TB;
4160 def VERRm : I<0x00, MRM4m, (outs), (ins i16mem:$seg),
4161 "verr\t$seg", []>, TB;
4162 def VERWr : I<0x00, MRM5r, (outs), (ins GR16:$seg),
4163 "verw\t$seg", []>, TB;
4164 def VERWm : I<0x00, MRM5m, (outs), (ins i16mem:$seg),
4165 "verw\t$seg", []>, TB;
4167 // Descriptor-table support instructions
4169 def SGDTm : I<0x01, MRM0m, (outs opaque48mem:$dst), (ins),
4170 "sgdt\t$dst", []>, TB;
4171 def SIDTm : I<0x01, MRM1m, (outs opaque48mem:$dst), (ins),
4172 "sidt\t$dst", []>, TB;
4173 def SLDT16r : I<0x00, MRM0r, (outs GR16:$dst), (ins),
4174 "sldt{w}\t$dst", []>, TB;
4175 def SLDT16m : I<0x00, MRM0m, (outs i16mem:$dst), (ins),
4176 "sldt{w}\t$dst", []>, TB;
4177 def LGDTm : I<0x01, MRM2m, (outs), (ins opaque48mem:$src),
4178 "lgdt\t$src", []>, TB;
4179 def LIDTm : I<0x01, MRM3m, (outs), (ins opaque48mem:$src),
4180 "lidt\t$src", []>, TB;
4181 def LLDT16r : I<0x00, MRM2r, (outs), (ins GR16:$src),
4182 "lldt{w}\t$src", []>, TB;
4183 def LLDT16m : I<0x00, MRM2m, (outs), (ins i16mem:$src),
4184 "lldt{w}\t$src", []>, TB;
4186 // Lock instruction prefix
4187 def LOCK_PREFIX : I<0xF0, RawFrm, (outs), (ins), "lock", []>;
4189 // Repeat string operation instruction prefixes
4190 // These uses the DF flag in the EFLAGS register to inc or dec ECX
4191 let Defs = [ECX], Uses = [ECX,EFLAGS] in {
4192 // Repeat (used with INS, OUTS, MOVS, LODS and STOS)
4193 def REP_PREFIX : I<0xF3, RawFrm, (outs), (ins), "rep", []>;
4194 // Repeat while not equal (used with CMPS and SCAS)
4195 def REPNE_PREFIX : I<0xF2, RawFrm, (outs), (ins), "repne", []>;
4198 // Segment override instruction prefixes
4199 def CS_PREFIX : I<0x2E, RawFrm, (outs), (ins), "cs", []>;
4200 def SS_PREFIX : I<0x36, RawFrm, (outs), (ins), "ss", []>;
4201 def DS_PREFIX : I<0x3E, RawFrm, (outs), (ins), "ds", []>;
4202 def ES_PREFIX : I<0x26, RawFrm, (outs), (ins), "es", []>;
4203 def FS_PREFIX : I<0x64, RawFrm, (outs), (ins), "fs", []>;
4204 def GS_PREFIX : I<0x65, RawFrm, (outs), (ins), "gs", []>;
4206 // String manipulation instructions
4208 def LODSB : I<0xAC, RawFrm, (outs), (ins), "lodsb", []>;
4209 def LODSW : I<0xAD, RawFrm, (outs), (ins), "lodsw", []>, OpSize;
4210 def LODSD : I<0xAD, RawFrm, (outs), (ins), "lods{l|d}", []>;
4212 def OUTSB : I<0x6E, RawFrm, (outs), (ins), "outsb", []>;
4213 def OUTSW : I<0x6F, RawFrm, (outs), (ins), "outsw", []>, OpSize;
4214 def OUTSD : I<0x6F, RawFrm, (outs), (ins), "outs{l|d}", []>;
4216 // CPU flow control instructions
4218 def HLT : I<0xF4, RawFrm, (outs), (ins), "hlt", []>;
4219 def RSM : I<0xAA, RawFrm, (outs), (ins), "rsm", []>, TB;
4221 // FPU control instructions
4223 def FNINIT : I<0xE3, RawFrm, (outs), (ins), "fninit", []>, DB;
4225 // Flag instructions
4227 def CLC : I<0xF8, RawFrm, (outs), (ins), "clc", []>;
4228 def STC : I<0xF9, RawFrm, (outs), (ins), "stc", []>;
4229 def CLI : I<0xFA, RawFrm, (outs), (ins), "cli", []>;
4230 def STI : I<0xFB, RawFrm, (outs), (ins), "sti", []>;
4231 def CLD : I<0xFC, RawFrm, (outs), (ins), "cld", []>;
4232 def STD : I<0xFD, RawFrm, (outs), (ins), "std", []>;
4233 def CMC : I<0xF5, RawFrm, (outs), (ins), "cmc", []>;
4235 def CLTS : I<0x06, RawFrm, (outs), (ins), "clts", []>, TB;
4237 // Table lookup instructions
4239 def XLAT : I<0xD7, RawFrm, (outs), (ins), "xlatb", []>;
4241 // Specialized register support
4243 def WRMSR : I<0x30, RawFrm, (outs), (ins), "wrmsr", []>, TB;
4244 def RDMSR : I<0x32, RawFrm, (outs), (ins), "rdmsr", []>, TB;
4245 def RDPMC : I<0x33, RawFrm, (outs), (ins), "rdpmc", []>, TB;
4247 def SMSW16r : I<0x01, MRM4r, (outs GR16:$dst), (ins),
4248 "smsw{w}\t$dst", []>, OpSize, TB;
4249 def SMSW32r : I<0x01, MRM4r, (outs GR32:$dst), (ins),
4250 "smsw{l}\t$dst", []>, TB;
4251 // For memory operands, there is only a 16-bit form
4252 def SMSW16m : I<0x01, MRM4m, (outs i16mem:$dst), (ins),
4253 "smsw{w}\t$dst", []>, TB;
4255 def LMSW16r : I<0x01, MRM6r, (outs), (ins GR16:$src),
4256 "lmsw{w}\t$src", []>, TB;
4257 def LMSW16m : I<0x01, MRM6m, (outs), (ins i16mem:$src),
4258 "lmsw{w}\t$src", []>, TB;
4260 def CPUID : I<0xA2, RawFrm, (outs), (ins), "cpuid", []>, TB;
4262 // Cache instructions
4264 def INVD : I<0x08, RawFrm, (outs), (ins), "invd", []>, TB;
4265 def WBINVD : I<0x09, RawFrm, (outs), (ins), "wbinvd", []>, TB;
4270 def INVEPT : I<0x80, RawFrm, (outs), (ins), "invept", []>, OpSize, T8;
4272 def INVVPID : I<0x81, RawFrm, (outs), (ins), "invvpid", []>, OpSize, T8;
4274 def VMCALL : I<0x01, MRM_C1, (outs), (ins), "vmcall", []>, TB;
4275 def VMCLEARm : I<0xC7, MRM6m, (outs), (ins i64mem:$vmcs),
4276 "vmclear\t$vmcs", []>, OpSize, TB;
4278 def VMLAUNCH : I<0x01, MRM_C2, (outs), (ins), "vmlaunch", []>, TB;
4280 def VMRESUME : I<0x01, MRM_C3, (outs), (ins), "vmresume", []>, TB;
4281 def VMPTRLDm : I<0xC7, MRM6m, (outs), (ins i64mem:$vmcs),
4282 "vmptrld\t$vmcs", []>, TB;
4283 def VMPTRSTm : I<0xC7, MRM7m, (outs i64mem:$vmcs), (ins),
4284 "vmptrst\t$vmcs", []>, TB;
4285 def VMREAD64rm : I<0x78, MRMDestMem, (outs i64mem:$dst), (ins GR64:$src),
4286 "vmread{q}\t{$src, $dst|$dst, $src}", []>, TB;
4287 def VMREAD64rr : I<0x78, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
4288 "vmread{q}\t{$src, $dst|$dst, $src}", []>, TB;
4289 def VMREAD32rm : I<0x78, MRMDestMem, (outs i32mem:$dst), (ins GR32:$src),
4290 "vmread{l}\t{$src, $dst|$dst, $src}", []>, TB;
4291 def VMREAD32rr : I<0x78, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
4292 "vmread{l}\t{$src, $dst|$dst, $src}", []>, TB;
4293 def VMWRITE64rm : I<0x79, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
4294 "vmwrite{q}\t{$src, $dst|$dst, $src}", []>, TB;
4295 def VMWRITE64rr : I<0x79, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
4296 "vmwrite{q}\t{$src, $dst|$dst, $src}", []>, TB;
4297 def VMWRITE32rm : I<0x79, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
4298 "vmwrite{l}\t{$src, $dst|$dst, $src}", []>, TB;
4299 def VMWRITE32rr : I<0x79, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4300 "vmwrite{l}\t{$src, $dst|$dst, $src}", []>, TB;
4302 def VMXOFF : I<0x01, MRM_C4, (outs), (ins), "vmxoff", []>, TB;
4303 def VMXON : I<0xC7, MRM6m, (outs), (ins i64mem:$vmxon),
4304 "vmxon\t{$vmxon}", []>, XS;
4306 //===----------------------------------------------------------------------===//
4307 // Non-Instruction Patterns
4308 //===----------------------------------------------------------------------===//
4310 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
4311 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
4312 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
4313 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
4314 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
4315 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
4316 def : Pat<(i32 (X86Wrapper tblockaddress:$dst)), (MOV32ri tblockaddress:$dst)>;
4318 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
4319 (ADD32ri GR32:$src1, tconstpool:$src2)>;
4320 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
4321 (ADD32ri GR32:$src1, tjumptable:$src2)>;
4322 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
4323 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
4324 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
4325 (ADD32ri GR32:$src1, texternalsym:$src2)>;
4326 def : Pat<(add GR32:$src1, (X86Wrapper tblockaddress:$src2)),
4327 (ADD32ri GR32:$src1, tblockaddress:$src2)>;
4329 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
4330 (MOV32mi addr:$dst, tglobaladdr:$src)>;
4331 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
4332 (MOV32mi addr:$dst, texternalsym:$src)>;
4333 def : Pat<(store (i32 (X86Wrapper tblockaddress:$src)), addr:$dst),
4334 (MOV32mi addr:$dst, tblockaddress:$src)>;
4338 def : Pat<(X86tcret GR32_TC:$dst, imm:$off),
4339 (TCRETURNri GR32_TC:$dst, imm:$off)>,
4340 Requires<[In32BitMode]>;
4342 // FIXME: This is disabled for 32-bit PIC mode because the global base
4343 // register which is part of the address mode may be assigned a
4344 // callee-saved register.
4345 def : Pat<(X86tcret (load addr:$dst), imm:$off),
4346 (TCRETURNmi addr:$dst, imm:$off)>,
4347 Requires<[In32BitMode, IsNotPIC]>;
4349 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
4350 (TCRETURNdi texternalsym:$dst, imm:$off)>,
4351 Requires<[In32BitMode]>;
4353 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
4354 (TCRETURNdi texternalsym:$dst, imm:$off)>,
4355 Requires<[In32BitMode]>;
4357 // Normal calls, with various flavors of addresses.
4358 def : Pat<(X86call (i32 tglobaladdr:$dst)),
4359 (CALLpcrel32 tglobaladdr:$dst)>;
4360 def : Pat<(X86call (i32 texternalsym:$dst)),
4361 (CALLpcrel32 texternalsym:$dst)>;
4362 def : Pat<(X86call (i32 imm:$dst)),
4363 (CALLpcrel32 imm:$dst)>, Requires<[CallImmAddr]>;
4365 // X86 specific add which produces a flag.
4366 def : Pat<(addc GR32:$src1, GR32:$src2),
4367 (ADD32rr GR32:$src1, GR32:$src2)>;
4368 def : Pat<(addc GR32:$src1, (load addr:$src2)),
4369 (ADD32rm GR32:$src1, addr:$src2)>;
4370 def : Pat<(addc GR32:$src1, imm:$src2),
4371 (ADD32ri GR32:$src1, imm:$src2)>;
4372 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
4373 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4375 def : Pat<(subc GR32:$src1, GR32:$src2),
4376 (SUB32rr GR32:$src1, GR32:$src2)>;
4377 def : Pat<(subc GR32:$src1, (load addr:$src2)),
4378 (SUB32rm GR32:$src1, addr:$src2)>;
4379 def : Pat<(subc GR32:$src1, imm:$src2),
4380 (SUB32ri GR32:$src1, imm:$src2)>;
4381 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
4382 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4386 // TEST R,R is smaller than CMP R,0
4387 def : Pat<(X86cmp GR8:$src1, 0),
4388 (TEST8rr GR8:$src1, GR8:$src1)>;
4389 def : Pat<(X86cmp GR16:$src1, 0),
4390 (TEST16rr GR16:$src1, GR16:$src1)>;
4391 def : Pat<(X86cmp GR32:$src1, 0),
4392 (TEST32rr GR32:$src1, GR32:$src1)>;
4394 // Conditional moves with folded loads with operands swapped and conditions
4396 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_B, EFLAGS),
4397 (CMOVAE16rm GR16:$src2, addr:$src1)>;
4398 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_B, EFLAGS),
4399 (CMOVAE32rm GR32:$src2, addr:$src1)>;
4400 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_AE, EFLAGS),
4401 (CMOVB16rm GR16:$src2, addr:$src1)>;
4402 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_AE, EFLAGS),
4403 (CMOVB32rm GR32:$src2, addr:$src1)>;
4404 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_E, EFLAGS),
4405 (CMOVNE16rm GR16:$src2, addr:$src1)>;
4406 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_E, EFLAGS),
4407 (CMOVNE32rm GR32:$src2, addr:$src1)>;
4408 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NE, EFLAGS),
4409 (CMOVE16rm GR16:$src2, addr:$src1)>;
4410 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NE, EFLAGS),
4411 (CMOVE32rm GR32:$src2, addr:$src1)>;
4412 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_BE, EFLAGS),
4413 (CMOVA16rm GR16:$src2, addr:$src1)>;
4414 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_BE, EFLAGS),
4415 (CMOVA32rm GR32:$src2, addr:$src1)>;
4416 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_A, EFLAGS),
4417 (CMOVBE16rm GR16:$src2, addr:$src1)>;
4418 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_A, EFLAGS),
4419 (CMOVBE32rm GR32:$src2, addr:$src1)>;
4420 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_L, EFLAGS),
4421 (CMOVGE16rm GR16:$src2, addr:$src1)>;
4422 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_L, EFLAGS),
4423 (CMOVGE32rm GR32:$src2, addr:$src1)>;
4424 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_GE, EFLAGS),
4425 (CMOVL16rm GR16:$src2, addr:$src1)>;
4426 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_GE, EFLAGS),
4427 (CMOVL32rm GR32:$src2, addr:$src1)>;
4428 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_LE, EFLAGS),
4429 (CMOVG16rm GR16:$src2, addr:$src1)>;
4430 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_LE, EFLAGS),
4431 (CMOVG32rm GR32:$src2, addr:$src1)>;
4432 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_G, EFLAGS),
4433 (CMOVLE16rm GR16:$src2, addr:$src1)>;
4434 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_G, EFLAGS),
4435 (CMOVLE32rm GR32:$src2, addr:$src1)>;
4436 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_P, EFLAGS),
4437 (CMOVNP16rm GR16:$src2, addr:$src1)>;
4438 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_P, EFLAGS),
4439 (CMOVNP32rm GR32:$src2, addr:$src1)>;
4440 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NP, EFLAGS),
4441 (CMOVP16rm GR16:$src2, addr:$src1)>;
4442 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NP, EFLAGS),
4443 (CMOVP32rm GR32:$src2, addr:$src1)>;
4444 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_S, EFLAGS),
4445 (CMOVNS16rm GR16:$src2, addr:$src1)>;
4446 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_S, EFLAGS),
4447 (CMOVNS32rm GR32:$src2, addr:$src1)>;
4448 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NS, EFLAGS),
4449 (CMOVS16rm GR16:$src2, addr:$src1)>;
4450 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NS, EFLAGS),
4451 (CMOVS32rm GR32:$src2, addr:$src1)>;
4452 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_O, EFLAGS),
4453 (CMOVNO16rm GR16:$src2, addr:$src1)>;
4454 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_O, EFLAGS),
4455 (CMOVNO32rm GR32:$src2, addr:$src1)>;
4456 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NO, EFLAGS),
4457 (CMOVO16rm GR16:$src2, addr:$src1)>;
4458 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NO, EFLAGS),
4459 (CMOVO32rm GR32:$src2, addr:$src1)>;
4461 // zextload bool -> zextload byte
4462 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
4463 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
4464 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
4466 // extload bool -> extload byte
4467 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
4468 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
4469 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
4470 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>;
4471 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
4472 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
4474 // anyext. Define these to do an explicit zero-extend to
4475 // avoid partial-register updates.
4476 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>;
4477 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>;
4479 // Except for i16 -> i32 since isel expect i16 ops to be promoted to i32.
4480 def : Pat<(i32 (anyext GR16:$src)),
4481 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR16:$src, x86_subreg_16bit)>;
4484 //===----------------------------------------------------------------------===//
4486 //===----------------------------------------------------------------------===//
4488 // Odd encoding trick: -128 fits into an 8-bit immediate field while
4489 // +128 doesn't, so in this special case use a sub instead of an add.
4490 def : Pat<(add GR16:$src1, 128),
4491 (SUB16ri8 GR16:$src1, -128)>;
4492 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
4493 (SUB16mi8 addr:$dst, -128)>;
4494 def : Pat<(add GR32:$src1, 128),
4495 (SUB32ri8 GR32:$src1, -128)>;
4496 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
4497 (SUB32mi8 addr:$dst, -128)>;
4499 // r & (2^16-1) ==> movz
4500 def : Pat<(and GR32:$src1, 0xffff),
4501 (MOVZX32rr16 (EXTRACT_SUBREG GR32:$src1, x86_subreg_16bit))>;
4502 // r & (2^8-1) ==> movz
4503 def : Pat<(and GR32:$src1, 0xff),
4504 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src1,
4507 Requires<[In32BitMode]>;
4508 // r & (2^8-1) ==> movz
4509 def : Pat<(and GR16:$src1, 0xff),
4510 (MOVZX16rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src1,
4513 Requires<[In32BitMode]>;
4515 // sext_inreg patterns
4516 def : Pat<(sext_inreg GR32:$src, i16),
4517 (MOVSX32rr16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
4518 def : Pat<(sext_inreg GR32:$src, i8),
4519 (MOVSX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4522 Requires<[In32BitMode]>;
4523 def : Pat<(sext_inreg GR16:$src, i8),
4524 (MOVSX16rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4527 Requires<[In32BitMode]>;
4530 def : Pat<(i16 (trunc GR32:$src)),
4531 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit)>;
4532 def : Pat<(i8 (trunc GR32:$src)),
4533 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src, GR32_ABCD)),
4535 Requires<[In32BitMode]>;
4536 def : Pat<(i8 (trunc GR16:$src)),
4537 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4539 Requires<[In32BitMode]>;
4541 // h-register tricks
4542 def : Pat<(i8 (trunc (srl_su GR16:$src, (i8 8)))),
4543 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4544 x86_subreg_8bit_hi)>,
4545 Requires<[In32BitMode]>;
4546 def : Pat<(i8 (trunc (srl_su GR32:$src, (i8 8)))),
4547 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src, GR32_ABCD)),
4548 x86_subreg_8bit_hi)>,
4549 Requires<[In32BitMode]>;
4550 def : Pat<(srl GR16:$src, (i8 8)),
4553 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4554 x86_subreg_8bit_hi)),
4556 Requires<[In32BitMode]>;
4557 def : Pat<(i32 (zext (srl_su GR16:$src, (i8 8)))),
4558 (MOVZX32rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4560 x86_subreg_8bit_hi))>,
4561 Requires<[In32BitMode]>;
4562 def : Pat<(i32 (anyext (srl_su GR16:$src, (i8 8)))),
4563 (MOVZX32rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4565 x86_subreg_8bit_hi))>,
4566 Requires<[In32BitMode]>;
4567 def : Pat<(and (srl_su GR32:$src, (i8 8)), (i32 255)),
4568 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4570 x86_subreg_8bit_hi))>,
4571 Requires<[In32BitMode]>;
4572 def : Pat<(srl (and_su GR32:$src, 0xff00), (i8 8)),
4573 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4575 x86_subreg_8bit_hi))>,
4576 Requires<[In32BitMode]>;
4578 // (shl x, 1) ==> (add x, x)
4579 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
4580 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
4581 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
4583 // (shl x (and y, 31)) ==> (shl x, y)
4584 def : Pat<(shl GR8:$src1, (and CL, 31)),
4585 (SHL8rCL GR8:$src1)>;
4586 def : Pat<(shl GR16:$src1, (and CL, 31)),
4587 (SHL16rCL GR16:$src1)>;
4588 def : Pat<(shl GR32:$src1, (and CL, 31)),
4589 (SHL32rCL GR32:$src1)>;
4590 def : Pat<(store (shl (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4591 (SHL8mCL addr:$dst)>;
4592 def : Pat<(store (shl (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4593 (SHL16mCL addr:$dst)>;
4594 def : Pat<(store (shl (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4595 (SHL32mCL addr:$dst)>;
4597 def : Pat<(srl GR8:$src1, (and CL, 31)),
4598 (SHR8rCL GR8:$src1)>;
4599 def : Pat<(srl GR16:$src1, (and CL, 31)),
4600 (SHR16rCL GR16:$src1)>;
4601 def : Pat<(srl GR32:$src1, (and CL, 31)),
4602 (SHR32rCL GR32:$src1)>;
4603 def : Pat<(store (srl (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4604 (SHR8mCL addr:$dst)>;
4605 def : Pat<(store (srl (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4606 (SHR16mCL addr:$dst)>;
4607 def : Pat<(store (srl (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4608 (SHR32mCL addr:$dst)>;
4610 def : Pat<(sra GR8:$src1, (and CL, 31)),
4611 (SAR8rCL GR8:$src1)>;
4612 def : Pat<(sra GR16:$src1, (and CL, 31)),
4613 (SAR16rCL GR16:$src1)>;
4614 def : Pat<(sra GR32:$src1, (and CL, 31)),
4615 (SAR32rCL GR32:$src1)>;
4616 def : Pat<(store (sra (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4617 (SAR8mCL addr:$dst)>;
4618 def : Pat<(store (sra (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4619 (SAR16mCL addr:$dst)>;
4620 def : Pat<(store (sra (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4621 (SAR32mCL addr:$dst)>;
4623 // (anyext (setcc_carry)) -> (setcc_carry)
4624 def : Pat<(i16 (anyext (i8 (X86setcc_c X86_COND_B, EFLAGS)))),
4626 def : Pat<(i32 (anyext (i8 (X86setcc_c X86_COND_B, EFLAGS)))),
4628 def : Pat<(i32 (anyext (i16 (X86setcc_c X86_COND_B, EFLAGS)))),
4631 // (or x1, x2) -> (add x1, x2) if two operands are known not to share bits.
4632 let AddedComplexity = 5 in { // Try this before the selecting to OR
4633 def : Pat<(or_is_add GR16:$src1, imm:$src2),
4634 (ADD16ri GR16:$src1, imm:$src2)>;
4635 def : Pat<(or_is_add GR32:$src1, imm:$src2),
4636 (ADD32ri GR32:$src1, imm:$src2)>;
4637 def : Pat<(or_is_add GR16:$src1, i16immSExt8:$src2),
4638 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4639 def : Pat<(or_is_add GR32:$src1, i32immSExt8:$src2),
4640 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4641 def : Pat<(or_is_add GR16:$src1, GR16:$src2),
4642 (ADD16rr GR16:$src1, GR16:$src2)>;
4643 def : Pat<(or_is_add GR32:$src1, GR32:$src2),
4644 (ADD32rr GR32:$src1, GR32:$src2)>;
4645 } // AddedComplexity
4647 //===----------------------------------------------------------------------===//
4648 // EFLAGS-defining Patterns
4649 //===----------------------------------------------------------------------===//
4652 def : Pat<(add GR8 :$src1, GR8 :$src2), (ADD8rr GR8 :$src1, GR8 :$src2)>;
4653 def : Pat<(add GR16:$src1, GR16:$src2), (ADD16rr GR16:$src1, GR16:$src2)>;
4654 def : Pat<(add GR32:$src1, GR32:$src2), (ADD32rr GR32:$src1, GR32:$src2)>;
4657 def : Pat<(add GR8:$src1, (loadi8 addr:$src2)),
4658 (ADD8rm GR8:$src1, addr:$src2)>;
4659 def : Pat<(add GR16:$src1, (loadi16 addr:$src2)),
4660 (ADD16rm GR16:$src1, addr:$src2)>;
4661 def : Pat<(add GR32:$src1, (loadi32 addr:$src2)),
4662 (ADD32rm GR32:$src1, addr:$src2)>;
4665 def : Pat<(add GR8 :$src1, imm:$src2), (ADD8ri GR8:$src1 , imm:$src2)>;
4666 def : Pat<(add GR16:$src1, imm:$src2), (ADD16ri GR16:$src1, imm:$src2)>;
4667 def : Pat<(add GR32:$src1, imm:$src2), (ADD32ri GR32:$src1, imm:$src2)>;
4668 def : Pat<(add GR16:$src1, i16immSExt8:$src2),
4669 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4670 def : Pat<(add GR32:$src1, i32immSExt8:$src2),
4671 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4674 def : Pat<(sub GR8 :$src1, GR8 :$src2), (SUB8rr GR8 :$src1, GR8 :$src2)>;
4675 def : Pat<(sub GR16:$src1, GR16:$src2), (SUB16rr GR16:$src1, GR16:$src2)>;
4676 def : Pat<(sub GR32:$src1, GR32:$src2), (SUB32rr GR32:$src1, GR32:$src2)>;
4679 def : Pat<(sub GR8:$src1, (loadi8 addr:$src2)),
4680 (SUB8rm GR8:$src1, addr:$src2)>;
4681 def : Pat<(sub GR16:$src1, (loadi16 addr:$src2)),
4682 (SUB16rm GR16:$src1, addr:$src2)>;
4683 def : Pat<(sub GR32:$src1, (loadi32 addr:$src2)),
4684 (SUB32rm GR32:$src1, addr:$src2)>;
4687 def : Pat<(sub GR8:$src1, imm:$src2),
4688 (SUB8ri GR8:$src1, imm:$src2)>;
4689 def : Pat<(sub GR16:$src1, imm:$src2),
4690 (SUB16ri GR16:$src1, imm:$src2)>;
4691 def : Pat<(sub GR32:$src1, imm:$src2),
4692 (SUB32ri GR32:$src1, imm:$src2)>;
4693 def : Pat<(sub GR16:$src1, i16immSExt8:$src2),
4694 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
4695 def : Pat<(sub GR32:$src1, i32immSExt8:$src2),
4696 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4699 def : Pat<(mul GR16:$src1, GR16:$src2),
4700 (IMUL16rr GR16:$src1, GR16:$src2)>;
4701 def : Pat<(mul GR32:$src1, GR32:$src2),
4702 (IMUL32rr GR32:$src1, GR32:$src2)>;
4705 def : Pat<(mul GR16:$src1, (loadi16 addr:$src2)),
4706 (IMUL16rm GR16:$src1, addr:$src2)>;
4707 def : Pat<(mul GR32:$src1, (loadi32 addr:$src2)),
4708 (IMUL32rm GR32:$src1, addr:$src2)>;
4711 def : Pat<(mul GR16:$src1, imm:$src2),
4712 (IMUL16rri GR16:$src1, imm:$src2)>;
4713 def : Pat<(mul GR32:$src1, imm:$src2),
4714 (IMUL32rri GR32:$src1, imm:$src2)>;
4715 def : Pat<(mul GR16:$src1, i16immSExt8:$src2),
4716 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
4717 def : Pat<(mul GR32:$src1, i32immSExt8:$src2),
4718 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
4720 // reg = mul mem, imm
4721 def : Pat<(mul (loadi16 addr:$src1), imm:$src2),
4722 (IMUL16rmi addr:$src1, imm:$src2)>;
4723 def : Pat<(mul (loadi32 addr:$src1), imm:$src2),
4724 (IMUL32rmi addr:$src1, imm:$src2)>;
4725 def : Pat<(mul (loadi16 addr:$src1), i16immSExt8:$src2),
4726 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
4727 def : Pat<(mul (loadi32 addr:$src1), i32immSExt8:$src2),
4728 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
4730 // Optimize multiply by 2 with EFLAGS result.
4731 let AddedComplexity = 2 in {
4732 def : Pat<(X86smul_flag GR16:$src1, 2), (ADD16rr GR16:$src1, GR16:$src1)>;
4733 def : Pat<(X86smul_flag GR32:$src1, 2), (ADD32rr GR32:$src1, GR32:$src1)>;
4736 // Patterns for nodes that do not produce flags, for instructions that do.
4739 def : Pat<(add GR8:$src , 1), (INC8r GR8:$src)>;
4740 def : Pat<(add GR16:$src, 1), (INC16r GR16:$src)>, Requires<[In32BitMode]>;
4741 def : Pat<(add GR32:$src, 1), (INC32r GR32:$src)>, Requires<[In32BitMode]>;
4744 def : Pat<(add GR8:$src , -1), (DEC8r GR8:$src)>;
4745 def : Pat<(add GR16:$src, -1), (DEC16r GR16:$src)>, Requires<[In32BitMode]>;
4746 def : Pat<(add GR32:$src, -1), (DEC32r GR32:$src)>, Requires<[In32BitMode]>;
4749 def : Pat<(or GR8 :$src1, GR8 :$src2), (OR8rr GR8 :$src1, GR8 :$src2)>;
4750 def : Pat<(or GR16:$src1, GR16:$src2), (OR16rr GR16:$src1, GR16:$src2)>;
4751 def : Pat<(or GR32:$src1, GR32:$src2), (OR32rr GR32:$src1, GR32:$src2)>;
4754 def : Pat<(or GR8:$src1, (loadi8 addr:$src2)),
4755 (OR8rm GR8:$src1, addr:$src2)>;
4756 def : Pat<(or GR16:$src1, (loadi16 addr:$src2)),
4757 (OR16rm GR16:$src1, addr:$src2)>;
4758 def : Pat<(or GR32:$src1, (loadi32 addr:$src2)),
4759 (OR32rm GR32:$src1, addr:$src2)>;
4762 def : Pat<(or GR8:$src1 , imm:$src2), (OR8ri GR8 :$src1, imm:$src2)>;
4763 def : Pat<(or GR16:$src1, imm:$src2), (OR16ri GR16:$src1, imm:$src2)>;
4764 def : Pat<(or GR32:$src1, imm:$src2), (OR32ri GR32:$src1, imm:$src2)>;
4765 def : Pat<(or GR16:$src1, i16immSExt8:$src2),
4766 (OR16ri8 GR16:$src1, i16immSExt8:$src2)>;
4767 def : Pat<(or GR32:$src1, i32immSExt8:$src2),
4768 (OR32ri8 GR32:$src1, i32immSExt8:$src2)>;
4771 def : Pat<(xor GR8 :$src1, GR8 :$src2), (XOR8rr GR8 :$src1, GR8 :$src2)>;
4772 def : Pat<(xor GR16:$src1, GR16:$src2), (XOR16rr GR16:$src1, GR16:$src2)>;
4773 def : Pat<(xor GR32:$src1, GR32:$src2), (XOR32rr GR32:$src1, GR32:$src2)>;
4776 def : Pat<(xor GR8:$src1, (loadi8 addr:$src2)),
4777 (XOR8rm GR8:$src1, addr:$src2)>;
4778 def : Pat<(xor GR16:$src1, (loadi16 addr:$src2)),
4779 (XOR16rm GR16:$src1, addr:$src2)>;
4780 def : Pat<(xor GR32:$src1, (loadi32 addr:$src2)),
4781 (XOR32rm GR32:$src1, addr:$src2)>;
4784 def : Pat<(xor GR8:$src1, imm:$src2),
4785 (XOR8ri GR8:$src1, imm:$src2)>;
4786 def : Pat<(xor GR16:$src1, imm:$src2),
4787 (XOR16ri GR16:$src1, imm:$src2)>;
4788 def : Pat<(xor GR32:$src1, imm:$src2),
4789 (XOR32ri GR32:$src1, imm:$src2)>;
4790 def : Pat<(xor GR16:$src1, i16immSExt8:$src2),
4791 (XOR16ri8 GR16:$src1, i16immSExt8:$src2)>;
4792 def : Pat<(xor GR32:$src1, i32immSExt8:$src2),
4793 (XOR32ri8 GR32:$src1, i32immSExt8:$src2)>;
4796 def : Pat<(and GR8 :$src1, GR8 :$src2), (AND8rr GR8 :$src1, GR8 :$src2)>;
4797 def : Pat<(and GR16:$src1, GR16:$src2), (AND16rr GR16:$src1, GR16:$src2)>;
4798 def : Pat<(and GR32:$src1, GR32:$src2), (AND32rr GR32:$src1, GR32:$src2)>;
4801 def : Pat<(and GR8:$src1, (loadi8 addr:$src2)),
4802 (AND8rm GR8:$src1, addr:$src2)>;
4803 def : Pat<(and GR16:$src1, (loadi16 addr:$src2)),
4804 (AND16rm GR16:$src1, addr:$src2)>;
4805 def : Pat<(and GR32:$src1, (loadi32 addr:$src2)),
4806 (AND32rm GR32:$src1, addr:$src2)>;
4809 def : Pat<(and GR8:$src1, imm:$src2),
4810 (AND8ri GR8:$src1, imm:$src2)>;
4811 def : Pat<(and GR16:$src1, imm:$src2),
4812 (AND16ri GR16:$src1, imm:$src2)>;
4813 def : Pat<(and GR32:$src1, imm:$src2),
4814 (AND32ri GR32:$src1, imm:$src2)>;
4815 def : Pat<(and GR16:$src1, i16immSExt8:$src2),
4816 (AND16ri8 GR16:$src1, i16immSExt8:$src2)>;
4817 def : Pat<(and GR32:$src1, i32immSExt8:$src2),
4818 (AND32ri8 GR32:$src1, i32immSExt8:$src2)>;
4820 //===----------------------------------------------------------------------===//
4821 // Floating Point Stack Support
4822 //===----------------------------------------------------------------------===//
4824 include "X86InstrFPStack.td"
4826 //===----------------------------------------------------------------------===//
4828 //===----------------------------------------------------------------------===//
4830 include "X86Instr64bit.td"
4832 //===----------------------------------------------------------------------===//
4833 // SIMD support (SSE, MMX and AVX)
4834 //===----------------------------------------------------------------------===//
4836 include "X86InstrFragmentsSIMD.td"
4838 //===----------------------------------------------------------------------===//
4839 // XMM Floating point support (requires SSE / SSE2)
4840 //===----------------------------------------------------------------------===//
4842 include "X86InstrSSE.td"
4844 //===----------------------------------------------------------------------===//
4845 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
4846 //===----------------------------------------------------------------------===//
4848 include "X86InstrMMX.td"