3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the X86 instruction set, defining the instructions, and
11 // properties of the instructions which are needed for code generation, machine
12 // code emission, and analysis.
14 //===----------------------------------------------------------------------===//
16 //===----------------------------------------------------------------------===//
17 // X86 specific DAG Nodes.
20 def SDTIntShiftDOp: SDTypeProfile<1, 3,
21 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
22 SDTCisInt<0>, SDTCisInt<3>]>;
24 def SDTX86CmpTest : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
26 def SDTX86Cmov : SDTypeProfile<1, 4,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>,
28 SDTCisVT<3, i8>, SDTCisVT<4, i32>]>;
30 // Unary and binary operator instructions that set EFLAGS as a side-effect.
31 def SDTUnaryArithWithFlags : SDTypeProfile<1, 1,
33 def SDTBinaryArithWithFlags : SDTypeProfile<1, 2,
37 def SDTX86BrCond : SDTypeProfile<0, 3,
38 [SDTCisVT<0, OtherVT>,
39 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
41 def SDTX86SetCC : SDTypeProfile<1, 2,
43 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
44 def SDTX86SetCC_C : SDTypeProfile<1, 2,
46 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
48 def SDTX86cas : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisInt<1>,
50 def SDTX86cas8 : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
52 def SDTX86atomicBinary : SDTypeProfile<2, 3, [SDTCisInt<0>, SDTCisInt<1>,
53 SDTCisPtrTy<2>, SDTCisInt<3>,SDTCisInt<4>]>;
54 def SDTX86Ret : SDTypeProfile<0, -1, [SDTCisVT<0, i16>]>;
56 def SDT_X86CallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
57 def SDT_X86CallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>,
60 def SDT_X86Call : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>;
62 def SDT_X86VASTART_SAVE_XMM_REGS : SDTypeProfile<0, -1, [SDTCisVT<0, i8>,
66 def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
68 def SDTX86RdTsc : SDTypeProfile<0, 0, []>;
70 def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
72 def SDT_X86TLSADDR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
74 def SDT_X86SegmentBaseAddress : SDTypeProfile<1, 1, [SDTCisPtrTy<0>]>;
76 def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
78 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
80 def X86bsf : SDNode<"X86ISD::BSF", SDTIntUnaryOp>;
81 def X86bsr : SDNode<"X86ISD::BSR", SDTIntUnaryOp>;
82 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
83 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
85 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]>;
125 def X86vastart_save_xmm_regs :
126 SDNode<"X86ISD::VASTART_SAVE_XMM_REGS",
127 SDT_X86VASTART_SAVE_XMM_REGS,
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]>;
140 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
141 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore]>;
142 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
143 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
146 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG",SDTX86RdTsc,
147 [SDNPHasChain, SDNPOutFlag, SDNPSideEffect]>;
149 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
150 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
152 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
153 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
154 def X86SegmentBaseAddress : SDNode<"X86ISD::SegmentBaseAddress",
155 SDT_X86SegmentBaseAddress, []>;
157 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
160 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
161 [SDNPHasChain, SDNPOptInFlag]>;
163 def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags,
165 def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
166 def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags,
168 def X86umul_flag : SDNode<"X86ISD::UMUL", SDTUnaryArithWithFlags,
170 def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>;
171 def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>;
172 def X86or_flag : SDNode<"X86ISD::OR", SDTBinaryArithWithFlags,
174 def X86xor_flag : SDNode<"X86ISD::XOR", SDTBinaryArithWithFlags,
176 def X86and_flag : SDNode<"X86ISD::AND", SDTBinaryArithWithFlags,
179 def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
181 //===----------------------------------------------------------------------===//
182 // X86 Operand Definitions.
185 // A version of ptr_rc which excludes SP, ESP, and RSP. This is used for
186 // the index operand of an address, to conform to x86 encoding restrictions.
187 def ptr_rc_nosp : PointerLikeRegClass<1>;
189 // *mem - Operand definitions for the funky X86 addressing mode operands.
191 def X86MemAsmOperand : AsmOperandClass {
195 def X86AbsMemAsmOperand : AsmOperandClass {
197 let SuperClass = X86MemAsmOperand;
199 def X86NoSegMemAsmOperand : AsmOperandClass {
200 let Name = "NoSegMem";
201 let SuperClass = X86MemAsmOperand;
203 class X86MemOperand<string printMethod> : Operand<iPTR> {
204 let PrintMethod = printMethod;
205 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc_nosp, i32imm, i8imm);
206 let ParserMatchClass = X86MemAsmOperand;
209 def opaque32mem : X86MemOperand<"printopaquemem">;
210 def opaque48mem : X86MemOperand<"printopaquemem">;
211 def opaque80mem : X86MemOperand<"printopaquemem">;
212 def opaque512mem : X86MemOperand<"printopaquemem">;
214 def i8mem : X86MemOperand<"printi8mem">;
215 def i16mem : X86MemOperand<"printi16mem">;
216 def i32mem : X86MemOperand<"printi32mem">;
217 def i64mem : X86MemOperand<"printi64mem">;
218 def i128mem : X86MemOperand<"printi128mem">;
219 //def i256mem : X86MemOperand<"printi256mem">;
220 def f32mem : X86MemOperand<"printf32mem">;
221 def f64mem : X86MemOperand<"printf64mem">;
222 def f80mem : X86MemOperand<"printf80mem">;
223 def f128mem : X86MemOperand<"printf128mem">;
224 //def f256mem : X86MemOperand<"printf256mem">;
226 // A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
227 // plain GR64, so that it doesn't potentially require a REX prefix.
228 def i8mem_NOREX : Operand<i64> {
229 let PrintMethod = "printi8mem";
230 let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_NOREX_NOSP, i32imm, i8imm);
231 let ParserMatchClass = X86MemAsmOperand;
234 def lea32mem : Operand<i32> {
235 let PrintMethod = "printlea32mem";
236 let MIOperandInfo = (ops GR32, i8imm, GR32_NOSP, i32imm);
237 let ParserMatchClass = X86NoSegMemAsmOperand;
240 let ParserMatchClass = X86AbsMemAsmOperand,
241 PrintMethod = "print_pcrel_imm" in {
242 def i32imm_pcrel : Operand<i32>;
244 def offset8 : Operand<i64>;
245 def offset16 : Operand<i64>;
246 def offset32 : Operand<i64>;
247 def offset64 : Operand<i64>;
249 // Branch targets have OtherVT type and print as pc-relative values.
250 def brtarget : Operand<OtherVT>;
251 def brtarget8 : Operand<OtherVT>;
255 def SSECC : Operand<i8> {
256 let PrintMethod = "printSSECC";
259 def ImmSExt8AsmOperand : AsmOperandClass {
260 let Name = "ImmSExt8";
261 let SuperClass = ImmAsmOperand;
264 // A couple of more descriptive operand definitions.
265 // 16-bits but only 8 bits are significant.
266 def i16i8imm : Operand<i16> {
267 let ParserMatchClass = ImmSExt8AsmOperand;
269 // 32-bits but only 8 bits are significant.
270 def i32i8imm : Operand<i32> {
271 let ParserMatchClass = ImmSExt8AsmOperand;
274 //===----------------------------------------------------------------------===//
275 // X86 Complex Pattern Definitions.
278 // Define X86 specific addressing mode.
279 def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], []>;
280 def lea32addr : ComplexPattern<i32, 4, "SelectLEAAddr",
281 [add, sub, mul, X86mul_imm, shl, or, frameindex],
283 def tls32addr : ComplexPattern<i32, 4, "SelectTLSADDRAddr",
284 [tglobaltlsaddr], []>;
286 //===----------------------------------------------------------------------===//
287 // X86 Instruction Predicate Definitions.
288 def HasMMX : Predicate<"Subtarget->hasMMX()">;
289 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
290 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
291 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
292 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
293 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
294 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
295 def HasSSE4A : Predicate<"Subtarget->hasSSE4A()">;
296 def HasAVX : Predicate<"Subtarget->hasAVX()">;
297 def HasFMA3 : Predicate<"Subtarget->hasFMA3()">;
298 def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
299 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
300 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
301 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
302 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
303 def IsWin64 : Predicate<"Subtarget->isTargetWin64()">;
304 def NotWin64 : Predicate<"!Subtarget->isTargetWin64()">;
305 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
306 def KernelCode : Predicate<"TM.getCodeModel() == CodeModel::Kernel">;
307 def FarData : Predicate<"TM.getCodeModel() != CodeModel::Small &&"
308 "TM.getCodeModel() != CodeModel::Kernel">;
309 def NearData : Predicate<"TM.getCodeModel() == CodeModel::Small ||"
310 "TM.getCodeModel() == CodeModel::Kernel">;
311 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
312 def OptForSize : Predicate<"OptForSize">;
313 def OptForSpeed : Predicate<"!OptForSize">;
314 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
315 def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
317 //===----------------------------------------------------------------------===//
318 // X86 Instruction Format Definitions.
321 include "X86InstrFormats.td"
323 //===----------------------------------------------------------------------===//
324 // Pattern fragments...
327 // X86 specific condition code. These correspond to CondCode in
328 // X86InstrInfo.h. They must be kept in synch.
329 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
330 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
331 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
332 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
333 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
334 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
335 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
336 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
337 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
338 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
339 def X86_COND_NO : PatLeaf<(i8 10)>;
340 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
341 def X86_COND_NS : PatLeaf<(i8 12)>;
342 def X86_COND_O : PatLeaf<(i8 13)>;
343 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
344 def X86_COND_S : PatLeaf<(i8 15)>;
346 def immSext8 : PatLeaf<(imm), [{
347 return N->getSExtValue() == (int8_t)N->getSExtValue();
350 def i16immSExt8 : PatLeaf<(i16 immSext8)>;
351 def i32immSExt8 : PatLeaf<(i32 immSext8)>;
353 /// Load patterns: these constraint the match to the right address space.
354 def dsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
355 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
356 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
357 if (PT->getAddressSpace() > 255)
362 def gsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
363 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
364 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
365 return PT->getAddressSpace() == 256;
369 def fsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
370 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
371 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
372 return PT->getAddressSpace() == 257;
377 // Helper fragments for loads.
378 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
379 // known to be 32-bit aligned or better. Ditto for i8 to i16.
380 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
381 LoadSDNode *LD = cast<LoadSDNode>(N);
382 if (const Value *Src = LD->getSrcValue())
383 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
384 if (PT->getAddressSpace() > 255)
386 ISD::LoadExtType ExtType = LD->getExtensionType();
387 if (ExtType == ISD::NON_EXTLOAD)
389 if (ExtType == ISD::EXTLOAD)
390 return LD->getAlignment() >= 2 && !LD->isVolatile();
394 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)),[{
395 LoadSDNode *LD = cast<LoadSDNode>(N);
396 if (const Value *Src = LD->getSrcValue())
397 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
398 if (PT->getAddressSpace() > 255)
400 ISD::LoadExtType ExtType = LD->getExtensionType();
401 if (ExtType == ISD::EXTLOAD)
402 return LD->getAlignment() >= 2 && !LD->isVolatile();
406 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
407 LoadSDNode *LD = cast<LoadSDNode>(N);
408 if (const Value *Src = LD->getSrcValue())
409 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
410 if (PT->getAddressSpace() > 255)
412 ISD::LoadExtType ExtType = LD->getExtensionType();
413 if (ExtType == ISD::NON_EXTLOAD)
415 if (ExtType == ISD::EXTLOAD)
416 return LD->getAlignment() >= 4 && !LD->isVolatile();
420 def loadi8 : PatFrag<(ops node:$ptr), (i8 (dsload node:$ptr))>;
421 def loadi64 : PatFrag<(ops node:$ptr), (i64 (dsload node:$ptr))>;
422 def loadf32 : PatFrag<(ops node:$ptr), (f32 (dsload node:$ptr))>;
423 def loadf64 : PatFrag<(ops node:$ptr), (f64 (dsload node:$ptr))>;
424 def loadf80 : PatFrag<(ops node:$ptr), (f80 (dsload node:$ptr))>;
426 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
427 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
428 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
430 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
431 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
432 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
433 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
434 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
435 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
437 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
438 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
439 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
440 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
441 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
442 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
445 // An 'and' node with a single use.
446 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
447 return N->hasOneUse();
449 // An 'srl' node with a single use.
450 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
451 return N->hasOneUse();
453 // An 'trunc' node with a single use.
454 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
455 return N->hasOneUse();
458 // Treat an 'or' node is as an 'add' if the or'ed bits are known to be zero.
459 def or_is_add : PatFrag<(ops node:$lhs, node:$rhs), (or node:$lhs, node:$rhs),[{
460 if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N->getOperand(1)))
461 return CurDAG->MaskedValueIsZero(N->getOperand(0), CN->getAPIntValue());
463 unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits();
464 APInt Mask = APInt::getAllOnesValue(BitWidth);
465 APInt KnownZero0, KnownOne0;
466 CurDAG->ComputeMaskedBits(N->getOperand(0), Mask, KnownZero0, KnownOne0, 0);
467 APInt KnownZero1, KnownOne1;
468 CurDAG->ComputeMaskedBits(N->getOperand(1), Mask, KnownZero1, KnownOne1, 0);
469 return (~KnownZero0 & ~KnownZero1) == 0;
473 // 'shld' and 'shrd' instruction patterns. Note that even though these have
474 // the srl and shl in their patterns, the C++ code must still check for them,
475 // because predicates are tested before children nodes are explored.
477 def shrd : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
478 (or (srl node:$src1, node:$amt1),
479 (shl node:$src2, node:$amt2)), [{
480 assert(N->getOpcode() == ISD::OR);
481 return N->getOperand(0).getOpcode() == ISD::SRL &&
482 N->getOperand(1).getOpcode() == ISD::SHL &&
483 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
484 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
485 N->getOperand(0).getConstantOperandVal(1) ==
486 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
489 def shld : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
490 (or (shl node:$src1, node:$amt1),
491 (srl node:$src2, node:$amt2)), [{
492 assert(N->getOpcode() == ISD::OR);
493 return N->getOperand(0).getOpcode() == ISD::SHL &&
494 N->getOperand(1).getOpcode() == ISD::SRL &&
495 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
496 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
497 N->getOperand(0).getConstantOperandVal(1) ==
498 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
501 //===----------------------------------------------------------------------===//
502 // Instruction list...
505 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
506 // a stack adjustment and the codegen must know that they may modify the stack
507 // pointer before prolog-epilog rewriting occurs.
508 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
509 // sub / add which can clobber EFLAGS.
510 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
511 def ADJCALLSTACKDOWN32 : I<0, Pseudo, (outs), (ins i32imm:$amt),
513 [(X86callseq_start timm:$amt)]>,
514 Requires<[In32BitMode]>;
515 def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
517 [(X86callseq_end timm:$amt1, timm:$amt2)]>,
518 Requires<[In32BitMode]>;
521 // x86-64 va_start lowering magic.
522 let usesCustomInserter = 1 in
523 def VASTART_SAVE_XMM_REGS : I<0, Pseudo,
526 i64imm:$regsavefi, i64imm:$offset,
528 "#VASTART_SAVE_XMM_REGS $al, $regsavefi, $offset",
529 [(X86vastart_save_xmm_regs GR8:$al,
534 let neverHasSideEffects = 1 in {
535 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
536 def NOOPW : I<0x1f, MRM0m, (outs), (ins i16mem:$zero),
537 "nop{w}\t$zero", []>, TB, OpSize;
538 def NOOPL : I<0x1f, MRM0m, (outs), (ins i32mem:$zero),
539 "nop{l}\t$zero", []>, TB;
543 def INT3 : I<0xcc, RawFrm, (outs), (ins), "int\t3", []>;
544 def INT : I<0xcd, RawFrm, (outs), (ins i8imm:$trap), "int\t$trap", []>;
545 def IRET16 : I<0xcf, RawFrm, (outs), (ins), "iret{w}", []>, OpSize;
546 def IRET32 : I<0xcf, RawFrm, (outs), (ins), "iret{l}", []>;
548 // PIC base construction. This expands to code that looks like this:
551 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
552 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins i32imm:$label),
555 //===----------------------------------------------------------------------===//
556 // Control Flow Instructions.
559 // Return instructions.
560 let isTerminator = 1, isReturn = 1, isBarrier = 1,
561 hasCtrlDep = 1, FPForm = SpecialFP, FPFormBits = SpecialFP.Value in {
562 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
565 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
567 [(X86retflag timm:$amt)]>;
568 def LRET : I <0xCB, RawFrm, (outs), (ins),
570 def LRETI : Ii16<0xCA, RawFrm, (outs), (ins i16imm:$amt),
574 // Unconditional branches.
575 let isBarrier = 1, isBranch = 1, isTerminator = 1 in {
576 def JMP_4 : Ii32PCRel<0xE9, RawFrm, (outs), (ins brtarget:$dst),
577 "jmp\t$dst", [(br bb:$dst)]>;
578 def JMP_1 : Ii8PCRel<0xEB, RawFrm, (outs), (ins brtarget8:$dst),
582 // Conditional Branches.
583 let isBranch = 1, isTerminator = 1, Uses = [EFLAGS] in {
584 multiclass ICBr<bits<8> opc1, bits<8> opc4, string asm, PatFrag Cond> {
585 def _1 : Ii8PCRel <opc1, RawFrm, (outs), (ins brtarget8:$dst), asm, []>;
586 def _4 : Ii32PCRel<opc4, RawFrm, (outs), (ins brtarget:$dst), asm,
587 [(X86brcond bb:$dst, Cond, EFLAGS)]>, TB;
591 defm JO : ICBr<0x70, 0x80, "jo\t$dst" , X86_COND_O>;
592 defm JNO : ICBr<0x71, 0x81, "jno\t$dst" , X86_COND_NO>;
593 defm JB : ICBr<0x72, 0x82, "jb\t$dst" , X86_COND_B>;
594 defm JAE : ICBr<0x73, 0x83, "jae\t$dst", X86_COND_AE>;
595 defm JE : ICBr<0x74, 0x84, "je\t$dst" , X86_COND_E>;
596 defm JNE : ICBr<0x75, 0x85, "jne\t$dst", X86_COND_NE>;
597 defm JBE : ICBr<0x76, 0x86, "jbe\t$dst", X86_COND_BE>;
598 defm JA : ICBr<0x77, 0x87, "ja\t$dst" , X86_COND_A>;
599 defm JS : ICBr<0x78, 0x88, "js\t$dst" , X86_COND_S>;
600 defm JNS : ICBr<0x79, 0x89, "jns\t$dst", X86_COND_NS>;
601 defm JP : ICBr<0x7A, 0x8A, "jp\t$dst" , X86_COND_P>;
602 defm JNP : ICBr<0x7B, 0x8B, "jnp\t$dst", X86_COND_NP>;
603 defm JL : ICBr<0x7C, 0x8C, "jl\t$dst" , X86_COND_L>;
604 defm JGE : ICBr<0x7D, 0x8D, "jge\t$dst", X86_COND_GE>;
605 defm JLE : ICBr<0x7E, 0x8E, "jle\t$dst", X86_COND_LE>;
606 defm JG : ICBr<0x7F, 0x8F, "jg\t$dst" , X86_COND_G>;
608 // FIXME: What about the CX/RCX versions of this instruction?
609 let Uses = [ECX], isBranch = 1, isTerminator = 1 in
610 def JCXZ8 : Ii8PCRel<0xE3, RawFrm, (outs), (ins brtarget8:$dst),
615 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
616 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
617 [(brind GR32:$dst)]>;
618 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
619 [(brind (loadi32 addr:$dst))]>;
621 def FARJMP16i : Iseg16<0xEA, RawFrm, (outs),
622 (ins i16imm:$seg, i16imm:$off),
623 "ljmp{w}\t$seg, $off", []>, OpSize;
624 def FARJMP32i : Iseg32<0xEA, RawFrm, (outs),
625 (ins i16imm:$seg, i32imm:$off),
626 "ljmp{l}\t$seg, $off", []>;
628 def FARJMP16m : I<0xFF, MRM5m, (outs), (ins opaque32mem:$dst),
629 "ljmp{w}\t{*}$dst", []>, OpSize;
630 def FARJMP32m : I<0xFF, MRM5m, (outs), (ins opaque48mem:$dst),
631 "ljmp{l}\t{*}$dst", []>;
637 def LOOP : I<0xE2, RawFrm, (ins brtarget8:$dst), (outs), "loop\t$dst", []>;
638 def LOOPE : I<0xE1, RawFrm, (ins brtarget8:$dst), (outs), "loope\t$dst", []>;
639 def LOOPNE : I<0xE0, RawFrm, (ins brtarget8:$dst), (outs), "loopne\t$dst", []>;
641 //===----------------------------------------------------------------------===//
642 // Call Instructions...
645 // All calls clobber the non-callee saved registers. ESP is marked as
646 // a use to prevent stack-pointer assignments that appear immediately
647 // before calls from potentially appearing dead. Uses for argument
648 // registers are added manually.
649 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
650 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
651 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
652 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
654 def CALLpcrel32 : Ii32PCRel<0xE8, RawFrm,
655 (outs), (ins i32imm_pcrel:$dst,variable_ops),
657 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
658 "call\t{*}$dst", [(X86call GR32:$dst)]>;
659 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
660 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
662 def FARCALL16i : Iseg16<0x9A, RawFrm, (outs),
663 (ins i16imm:$seg, i16imm:$off),
664 "lcall{w}\t$seg, $off", []>, OpSize;
665 def FARCALL32i : Iseg32<0x9A, RawFrm, (outs),
666 (ins i16imm:$seg, i32imm:$off),
667 "lcall{l}\t$seg, $off", []>;
669 def FARCALL16m : I<0xFF, MRM3m, (outs), (ins opaque32mem:$dst),
670 "lcall{w}\t{*}$dst", []>, OpSize;
671 def FARCALL32m : I<0xFF, MRM3m, (outs), (ins opaque48mem:$dst),
672 "lcall{l}\t{*}$dst", []>;
675 // Constructing a stack frame.
677 def ENTER : I<0xC8, RawFrm, (outs), (ins i16imm:$len, i8imm:$lvl),
678 "enter\t$len, $lvl", []>;
682 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
683 def TCRETURNdi : I<0, Pseudo, (outs),
684 (ins i32imm:$dst, i32imm:$offset, variable_ops),
685 "#TC_RETURN $dst $offset",
688 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
689 def TCRETURNri : I<0, Pseudo, (outs),
690 (ins GR32:$dst, i32imm:$offset, variable_ops),
691 "#TC_RETURN $dst $offset",
694 // FIXME: The should be pseudo instructions that are lowered when going to
696 let isCall = 1, isBranch = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
697 def TAILJMPd : Ii32<0xE9, RawFrm, (outs),(ins i32imm_pcrel:$dst,variable_ops),
698 "jmp\t$dst # TAILCALL",
700 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
701 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32:$dst, variable_ops),
702 "jmp{l}\t{*}$dst # TAILCALL",
704 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
705 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem:$dst, variable_ops),
706 "jmp\t{*}$dst # TAILCALL", []>;
708 //===----------------------------------------------------------------------===//
709 // Miscellaneous Instructions...
711 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
712 def LEAVE : I<0xC9, RawFrm,
713 (outs), (ins), "leave", []>;
715 def POPCNT16rr : I<0xB8, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
716 "popcnt{w}\t{$src, $dst|$dst, $src}", []>, OpSize, XS;
717 def POPCNT16rm : I<0xB8, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
718 "popcnt{w}\t{$src, $dst|$dst, $src}", []>, OpSize, XS;
719 def POPCNT32rr : I<0xB8, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
720 "popcnt{l}\t{$src, $dst|$dst, $src}", []>, XS;
721 def POPCNT32rm : I<0xB8, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
722 "popcnt{l}\t{$src, $dst|$dst, $src}", []>, XS;
724 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
726 def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
728 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
729 def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
731 def POP16rmm: I<0x8F, MRM0m, (outs i16mem:$dst), (ins), "pop{w}\t$dst", []>,
733 def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
734 def POP32rmm: I<0x8F, MRM0m, (outs i32mem:$dst), (ins), "pop{l}\t$dst", []>;
737 let mayStore = 1 in {
738 def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
740 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
741 def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
743 def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[]>,
745 def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
746 def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[]>;
750 let Defs = [ESP], Uses = [ESP], neverHasSideEffects = 1, mayStore = 1 in {
751 def PUSH32i8 : Ii8<0x6a, RawFrm, (outs), (ins i8imm:$imm),
752 "push{l}\t$imm", []>;
753 def PUSH32i16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
754 "push{l}\t$imm", []>;
755 def PUSH32i32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
756 "push{l}\t$imm", []>;
759 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in {
760 def POPF : I<0x9D, RawFrm, (outs), (ins), "popf{w}", []>, OpSize;
761 def POPFD : I<0x9D, RawFrm, (outs), (ins), "popf{l}", []>;
763 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in {
764 def PUSHF : I<0x9C, RawFrm, (outs), (ins), "pushf{w}", []>, OpSize;
765 def PUSHFD : I<0x9C, RawFrm, (outs), (ins), "pushf{l}", []>;
768 let isTwoAddress = 1 in // GR32 = bswap GR32
769 def BSWAP32r : I<0xC8, AddRegFrm,
770 (outs GR32:$dst), (ins GR32:$src),
772 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
775 // Bit scan instructions.
776 let Defs = [EFLAGS] in {
777 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
778 "bsf{w}\t{$src, $dst|$dst, $src}",
779 [(set GR16:$dst, (X86bsf GR16:$src)), (implicit EFLAGS)]>, TB;
780 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
781 "bsf{w}\t{$src, $dst|$dst, $src}",
782 [(set GR16:$dst, (X86bsf (loadi16 addr:$src))),
783 (implicit EFLAGS)]>, TB;
784 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
785 "bsf{l}\t{$src, $dst|$dst, $src}",
786 [(set GR32:$dst, (X86bsf GR32:$src)), (implicit EFLAGS)]>, TB;
787 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
788 "bsf{l}\t{$src, $dst|$dst, $src}",
789 [(set GR32:$dst, (X86bsf (loadi32 addr:$src))),
790 (implicit EFLAGS)]>, TB;
792 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
793 "bsr{w}\t{$src, $dst|$dst, $src}",
794 [(set GR16:$dst, (X86bsr GR16:$src)), (implicit EFLAGS)]>, TB;
795 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
796 "bsr{w}\t{$src, $dst|$dst, $src}",
797 [(set GR16:$dst, (X86bsr (loadi16 addr:$src))),
798 (implicit EFLAGS)]>, TB;
799 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
800 "bsr{l}\t{$src, $dst|$dst, $src}",
801 [(set GR32:$dst, (X86bsr GR32:$src)), (implicit EFLAGS)]>, TB;
802 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
803 "bsr{l}\t{$src, $dst|$dst, $src}",
804 [(set GR32:$dst, (X86bsr (loadi32 addr:$src))),
805 (implicit EFLAGS)]>, TB;
808 let neverHasSideEffects = 1 in
809 def LEA16r : I<0x8D, MRMSrcMem,
810 (outs GR16:$dst), (ins lea32mem:$src),
811 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
812 let isReMaterializable = 1 in
813 def LEA32r : I<0x8D, MRMSrcMem,
814 (outs GR32:$dst), (ins lea32mem:$src),
815 "lea{l}\t{$src|$dst}, {$dst|$src}",
816 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
818 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI], isCodeGenOnly = 1 in {
819 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
820 [(X86rep_movs i8)]>, REP;
821 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
822 [(X86rep_movs i16)]>, REP, OpSize;
823 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
824 [(X86rep_movs i32)]>, REP;
827 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
828 let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in {
829 def MOVSB : I<0xA4, RawFrm, (outs), (ins), "{movsb}", []>;
830 def MOVSW : I<0xA5, RawFrm, (outs), (ins), "{movsw}", []>, OpSize;
831 def MOVSD : I<0xA5, RawFrm, (outs), (ins), "{movsl|movsd}", []>;
834 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI], isCodeGenOnly = 1 in
835 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
836 [(X86rep_stos i8)]>, REP;
837 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI], isCodeGenOnly = 1 in
838 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
839 [(X86rep_stos i16)]>, REP, OpSize;
840 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI], isCodeGenOnly = 1 in
841 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
842 [(X86rep_stos i32)]>, REP;
844 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
845 let Defs = [EDI], Uses = [AL,EDI,EFLAGS] in
846 def STOSB : I<0xAA, RawFrm, (outs), (ins), "{stosb}", []>;
847 let Defs = [EDI], Uses = [AX,EDI,EFLAGS] in
848 def STOSW : I<0xAB, RawFrm, (outs), (ins), "{stosw}", []>, OpSize;
849 let Defs = [EDI], Uses = [EAX,EDI,EFLAGS] in
850 def STOSD : I<0xAB, RawFrm, (outs), (ins), "{stosl|stosd}", []>;
852 def SCAS8 : I<0xAE, RawFrm, (outs), (ins), "scas{b}", []>;
853 def SCAS16 : I<0xAF, RawFrm, (outs), (ins), "scas{w}", []>, OpSize;
854 def SCAS32 : I<0xAF, RawFrm, (outs), (ins), "scas{l}", []>;
856 def CMPS8 : I<0xA6, RawFrm, (outs), (ins), "cmps{b}", []>;
857 def CMPS16 : I<0xA7, RawFrm, (outs), (ins), "cmps{w}", []>, OpSize;
858 def CMPS32 : I<0xA7, RawFrm, (outs), (ins), "cmps{l}", []>;
860 let Defs = [RAX, RDX] in
861 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
864 let Defs = [RAX, RCX, RDX] in
865 def RDTSCP : I<0x01, MRM_F9, (outs), (ins), "rdtscp", []>, TB;
867 let isBarrier = 1, hasCtrlDep = 1 in {
868 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
871 def SYSCALL : I<0x05, RawFrm,
872 (outs), (ins), "syscall", []>, TB;
873 def SYSRET : I<0x07, RawFrm,
874 (outs), (ins), "sysret", []>, TB;
875 def SYSENTER : I<0x34, RawFrm,
876 (outs), (ins), "sysenter", []>, TB;
877 def SYSEXIT : I<0x35, RawFrm,
878 (outs), (ins), "sysexit", []>, TB;
880 def WAIT : I<0x9B, RawFrm, (outs), (ins), "wait", []>;
883 //===----------------------------------------------------------------------===//
884 // Input/Output Instructions...
886 let Defs = [AL], Uses = [DX] in
887 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
888 "in{b}\t{%dx, %al|%AL, %DX}", []>;
889 let Defs = [AX], Uses = [DX] in
890 def IN16rr : I<0xED, RawFrm, (outs), (ins),
891 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
892 let Defs = [EAX], Uses = [DX] in
893 def IN32rr : I<0xED, RawFrm, (outs), (ins),
894 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
897 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i16i8imm:$port),
898 "in{b}\t{$port, %al|%AL, $port}", []>;
900 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
901 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
903 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
904 "in{l}\t{$port, %eax|%EAX, $port}", []>;
906 let Uses = [DX, AL] in
907 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
908 "out{b}\t{%al, %dx|%DX, %AL}", []>;
909 let Uses = [DX, AX] in
910 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
911 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
912 let Uses = [DX, EAX] in
913 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
914 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
917 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i16i8imm:$port),
918 "out{b}\t{%al, $port|$port, %AL}", []>;
920 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
921 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
923 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
924 "out{l}\t{%eax, $port|$port, %EAX}", []>;
926 def IN8 : I<0x6C, RawFrm, (outs), (ins),
928 def IN16 : I<0x6D, RawFrm, (outs), (ins),
929 "ins{w}", []>, OpSize;
930 def IN32 : I<0x6D, RawFrm, (outs), (ins),
933 //===----------------------------------------------------------------------===//
934 // Move Instructions...
936 let neverHasSideEffects = 1 in {
937 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
938 "mov{b}\t{$src, $dst|$dst, $src}", []>;
939 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
940 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
941 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
942 "mov{l}\t{$src, $dst|$dst, $src}", []>;
944 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
945 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
946 "mov{b}\t{$src, $dst|$dst, $src}",
947 [(set GR8:$dst, imm:$src)]>;
948 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
949 "mov{w}\t{$src, $dst|$dst, $src}",
950 [(set GR16:$dst, imm:$src)]>, OpSize;
951 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
952 "mov{l}\t{$src, $dst|$dst, $src}",
953 [(set GR32:$dst, imm:$src)]>;
956 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
957 "mov{b}\t{$src, $dst|$dst, $src}",
958 [(store (i8 imm:$src), addr:$dst)]>;
959 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
960 "mov{w}\t{$src, $dst|$dst, $src}",
961 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
962 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
963 "mov{l}\t{$src, $dst|$dst, $src}",
964 [(store (i32 imm:$src), addr:$dst)]>;
966 def MOV8o8a : Ii8 <0xA0, RawFrm, (outs), (ins offset8:$src),
967 "mov{b}\t{$src, %al|%al, $src}", []>;
968 def MOV16o16a : Ii16 <0xA1, RawFrm, (outs), (ins offset16:$src),
969 "mov{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
970 def MOV32o32a : Ii32 <0xA1, RawFrm, (outs), (ins offset32:$src),
971 "mov{l}\t{$src, %eax|%eax, $src}", []>;
973 def MOV8ao8 : Ii8 <0xA2, RawFrm, (outs offset8:$dst), (ins),
974 "mov{b}\t{%al, $dst|$dst, %al}", []>;
975 def MOV16ao16 : Ii16 <0xA3, RawFrm, (outs offset16:$dst), (ins),
976 "mov{w}\t{%ax, $dst|$dst, %ax}", []>, OpSize;
977 def MOV32ao32 : Ii32 <0xA3, RawFrm, (outs offset32:$dst), (ins),
978 "mov{l}\t{%eax, $dst|$dst, %eax}", []>;
980 // Moves to and from segment registers
981 def MOV16rs : I<0x8C, MRMDestReg, (outs GR16:$dst), (ins SEGMENT_REG:$src),
982 "mov{w}\t{$src, $dst|$dst, $src}", []>;
983 def MOV16ms : I<0x8C, MRMDestMem, (outs i16mem:$dst), (ins SEGMENT_REG:$src),
984 "mov{w}\t{$src, $dst|$dst, $src}", []>;
985 def MOV16sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR16:$src),
986 "mov{w}\t{$src, $dst|$dst, $src}", []>;
987 def MOV16sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i16mem:$src),
988 "mov{w}\t{$src, $dst|$dst, $src}", []>;
990 def MOV8rr_REV : I<0x8A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src),
991 "mov{b}\t{$src, $dst|$dst, $src}", []>;
992 def MOV16rr_REV : I<0x8B, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
993 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
994 def MOV32rr_REV : I<0x8B, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
995 "mov{l}\t{$src, $dst|$dst, $src}", []>;
997 let canFoldAsLoad = 1, isReMaterializable = 1 in {
998 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
999 "mov{b}\t{$src, $dst|$dst, $src}",
1000 [(set GR8:$dst, (loadi8 addr:$src))]>;
1001 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1002 "mov{w}\t{$src, $dst|$dst, $src}",
1003 [(set GR16:$dst, (loadi16 addr:$src))]>, OpSize;
1004 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1005 "mov{l}\t{$src, $dst|$dst, $src}",
1006 [(set GR32:$dst, (loadi32 addr:$src))]>;
1009 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
1010 "mov{b}\t{$src, $dst|$dst, $src}",
1011 [(store GR8:$src, addr:$dst)]>;
1012 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1013 "mov{w}\t{$src, $dst|$dst, $src}",
1014 [(store GR16:$src, addr:$dst)]>, OpSize;
1015 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1016 "mov{l}\t{$src, $dst|$dst, $src}",
1017 [(store GR32:$src, addr:$dst)]>;
1019 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
1020 // that they can be used for copying and storing h registers, which can't be
1021 // encoded when a REX prefix is present.
1022 let neverHasSideEffects = 1 in
1023 def MOV8rr_NOREX : I<0x88, MRMDestReg,
1024 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
1025 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1027 def MOV8mr_NOREX : I<0x88, MRMDestMem,
1028 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
1029 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1031 canFoldAsLoad = 1, isReMaterializable = 1 in
1032 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
1033 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
1034 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1036 // Moves to and from debug registers
1037 def MOV32rd : I<0x21, MRMDestReg, (outs GR32:$dst), (ins DEBUG_REG:$src),
1038 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1039 def MOV32dr : I<0x23, MRMSrcReg, (outs DEBUG_REG:$dst), (ins GR32:$src),
1040 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1042 // Moves to and from control registers
1043 def MOV32rc : I<0x20, MRMDestReg, (outs GR32:$dst), (ins CONTROL_REG_32:$src),
1044 "mov{q}\t{$src, $dst|$dst, $src}", []>, TB;
1045 def MOV32cr : I<0x22, MRMSrcReg, (outs CONTROL_REG_32:$dst), (ins GR32:$src),
1046 "mov{q}\t{$src, $dst|$dst, $src}", []>, TB;
1048 //===----------------------------------------------------------------------===//
1049 // Fixed-Register Multiplication and Division Instructions...
1052 // Extra precision multiplication
1053 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
1054 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
1055 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1056 // This probably ought to be moved to a def : Pat<> if the
1057 // syntax can be accepted.
1058 [(set AL, (mul AL, GR8:$src)),
1059 (implicit EFLAGS)]>; // AL,AH = AL*GR8
1061 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
1062 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
1064 []>, OpSize; // AX,DX = AX*GR16
1066 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
1067 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
1069 []>; // EAX,EDX = EAX*GR32
1071 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
1072 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
1074 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1075 // This probably ought to be moved to a def : Pat<> if the
1076 // syntax can be accepted.
1077 [(set AL, (mul AL, (loadi8 addr:$src))),
1078 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
1080 let mayLoad = 1, neverHasSideEffects = 1 in {
1081 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1082 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
1084 []>, OpSize; // AX,DX = AX*[mem16]
1086 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1087 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
1089 []>; // EAX,EDX = EAX*[mem32]
1092 let neverHasSideEffects = 1 in {
1093 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
1094 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
1096 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1097 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
1098 OpSize; // AX,DX = AX*GR16
1099 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1100 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
1101 // EAX,EDX = EAX*GR32
1102 let mayLoad = 1 in {
1103 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
1104 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
1105 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
1106 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1107 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
1108 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
1109 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1110 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
1111 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
1113 } // neverHasSideEffects
1115 // unsigned division/remainder
1116 let Defs = [AX,EFLAGS], Uses = [AX] in
1117 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1118 "div{b}\t$src", []>;
1119 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1120 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1121 "div{w}\t$src", []>, OpSize;
1122 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1123 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1124 "div{l}\t$src", []>;
1125 let mayLoad = 1 in {
1126 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
1127 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1128 "div{b}\t$src", []>;
1129 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1130 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1131 "div{w}\t$src", []>, OpSize;
1132 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1133 // EDX:EAX/[mem32] = EAX,EDX
1134 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src),
1135 "div{l}\t$src", []>;
1138 // Signed division/remainder.
1139 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
1140 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1141 "idiv{b}\t$src", []>;
1142 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1143 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1144 "idiv{w}\t$src", []>, OpSize;
1145 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1146 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1147 "idiv{l}\t$src", []>;
1148 let mayLoad = 1, mayLoad = 1 in {
1149 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
1150 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1151 "idiv{b}\t$src", []>;
1152 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1153 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1154 "idiv{w}\t$src", []>, OpSize;
1155 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1156 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src),
1157 // EDX:EAX/[mem32] = EAX,EDX
1158 "idiv{l}\t$src", []>;
1161 //===----------------------------------------------------------------------===//
1162 // Two address Instructions.
1164 let isTwoAddress = 1 in {
1166 // Conditional moves
1167 let Uses = [EFLAGS] in {
1169 // X86 doesn't have 8-bit conditional moves. Use a customInserter to
1170 // emit control flow. An alternative to this is to mark i8 SELECT as Promote,
1171 // however that requires promoting the operands, and can induce additional
1172 // i8 register pressure. Note that CMOV_GR8 is conservatively considered to
1173 // clobber EFLAGS, because if one of the operands is zero, the expansion
1174 // could involve an xor.
1175 let usesCustomInserter = 1, isTwoAddress = 0, Defs = [EFLAGS] in
1176 def CMOV_GR8 : I<0, Pseudo,
1177 (outs GR8:$dst), (ins GR8:$src1, GR8:$src2, i8imm:$cond),
1178 "#CMOV_GR8 PSEUDO!",
1179 [(set GR8:$dst, (X86cmov GR8:$src1, GR8:$src2,
1180 imm:$cond, EFLAGS))]>;
1182 let isCommutable = 1 in {
1183 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
1184 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1185 "cmovb{w}\t{$src2, $dst|$dst, $src2}",
1186 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1187 X86_COND_B, EFLAGS))]>,
1189 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
1190 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1191 "cmovb{l}\t{$src2, $dst|$dst, $src2}",
1192 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1193 X86_COND_B, EFLAGS))]>,
1195 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
1196 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1197 "cmovae{w}\t{$src2, $dst|$dst, $src2}",
1198 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1199 X86_COND_AE, EFLAGS))]>,
1201 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
1202 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1203 "cmovae{l}\t{$src2, $dst|$dst, $src2}",
1204 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1205 X86_COND_AE, EFLAGS))]>,
1207 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
1208 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1209 "cmove{w}\t{$src2, $dst|$dst, $src2}",
1210 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1211 X86_COND_E, EFLAGS))]>,
1213 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
1214 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1215 "cmove{l}\t{$src2, $dst|$dst, $src2}",
1216 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1217 X86_COND_E, EFLAGS))]>,
1219 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
1220 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1221 "cmovne{w}\t{$src2, $dst|$dst, $src2}",
1222 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1223 X86_COND_NE, EFLAGS))]>,
1225 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
1226 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1227 "cmovne{l}\t{$src2, $dst|$dst, $src2}",
1228 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1229 X86_COND_NE, EFLAGS))]>,
1231 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
1232 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1233 "cmovbe{w}\t{$src2, $dst|$dst, $src2}",
1234 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1235 X86_COND_BE, EFLAGS))]>,
1237 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
1238 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1239 "cmovbe{l}\t{$src2, $dst|$dst, $src2}",
1240 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1241 X86_COND_BE, EFLAGS))]>,
1243 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
1244 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1245 "cmova{w}\t{$src2, $dst|$dst, $src2}",
1246 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1247 X86_COND_A, EFLAGS))]>,
1249 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
1250 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1251 "cmova{l}\t{$src2, $dst|$dst, $src2}",
1252 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1253 X86_COND_A, EFLAGS))]>,
1255 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
1256 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1257 "cmovl{w}\t{$src2, $dst|$dst, $src2}",
1258 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1259 X86_COND_L, EFLAGS))]>,
1261 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
1262 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1263 "cmovl{l}\t{$src2, $dst|$dst, $src2}",
1264 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1265 X86_COND_L, EFLAGS))]>,
1267 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
1268 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1269 "cmovge{w}\t{$src2, $dst|$dst, $src2}",
1270 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1271 X86_COND_GE, EFLAGS))]>,
1273 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
1274 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1275 "cmovge{l}\t{$src2, $dst|$dst, $src2}",
1276 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1277 X86_COND_GE, EFLAGS))]>,
1279 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
1280 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1281 "cmovle{w}\t{$src2, $dst|$dst, $src2}",
1282 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1283 X86_COND_LE, EFLAGS))]>,
1285 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
1286 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1287 "cmovle{l}\t{$src2, $dst|$dst, $src2}",
1288 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1289 X86_COND_LE, EFLAGS))]>,
1291 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
1292 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1293 "cmovg{w}\t{$src2, $dst|$dst, $src2}",
1294 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1295 X86_COND_G, EFLAGS))]>,
1297 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
1298 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1299 "cmovg{l}\t{$src2, $dst|$dst, $src2}",
1300 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1301 X86_COND_G, EFLAGS))]>,
1303 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
1304 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1305 "cmovs{w}\t{$src2, $dst|$dst, $src2}",
1306 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1307 X86_COND_S, EFLAGS))]>,
1309 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
1310 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1311 "cmovs{l}\t{$src2, $dst|$dst, $src2}",
1312 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1313 X86_COND_S, EFLAGS))]>,
1315 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
1316 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1317 "cmovns{w}\t{$src2, $dst|$dst, $src2}",
1318 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1319 X86_COND_NS, EFLAGS))]>,
1321 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1322 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1323 "cmovns{l}\t{$src2, $dst|$dst, $src2}",
1324 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1325 X86_COND_NS, EFLAGS))]>,
1327 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1328 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1329 "cmovp{w}\t{$src2, $dst|$dst, $src2}",
1330 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1331 X86_COND_P, EFLAGS))]>,
1333 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1334 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1335 "cmovp{l}\t{$src2, $dst|$dst, $src2}",
1336 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1337 X86_COND_P, EFLAGS))]>,
1339 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1340 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1341 "cmovnp{w}\t{$src2, $dst|$dst, $src2}",
1342 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1343 X86_COND_NP, EFLAGS))]>,
1345 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1346 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1347 "cmovnp{l}\t{$src2, $dst|$dst, $src2}",
1348 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1349 X86_COND_NP, EFLAGS))]>,
1351 def CMOVO16rr : I<0x40, MRMSrcReg, // if overflow, GR16 = GR16
1352 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1353 "cmovo{w}\t{$src2, $dst|$dst, $src2}",
1354 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1355 X86_COND_O, EFLAGS))]>,
1357 def CMOVO32rr : I<0x40, MRMSrcReg, // if overflow, GR32 = GR32
1358 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1359 "cmovo{l}\t{$src2, $dst|$dst, $src2}",
1360 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1361 X86_COND_O, EFLAGS))]>,
1363 def CMOVNO16rr : I<0x41, MRMSrcReg, // if !overflow, GR16 = GR16
1364 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1365 "cmovno{w}\t{$src2, $dst|$dst, $src2}",
1366 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1367 X86_COND_NO, EFLAGS))]>,
1369 def CMOVNO32rr : I<0x41, MRMSrcReg, // if !overflow, GR32 = GR32
1370 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1371 "cmovno{l}\t{$src2, $dst|$dst, $src2}",
1372 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1373 X86_COND_NO, EFLAGS))]>,
1375 } // isCommutable = 1
1377 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1378 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1379 "cmovb{w}\t{$src2, $dst|$dst, $src2}",
1380 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1381 X86_COND_B, EFLAGS))]>,
1383 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1384 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1385 "cmovb{l}\t{$src2, $dst|$dst, $src2}",
1386 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1387 X86_COND_B, EFLAGS))]>,
1389 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1390 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1391 "cmovae{w}\t{$src2, $dst|$dst, $src2}",
1392 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1393 X86_COND_AE, EFLAGS))]>,
1395 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1396 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1397 "cmovae{l}\t{$src2, $dst|$dst, $src2}",
1398 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1399 X86_COND_AE, EFLAGS))]>,
1401 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1402 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1403 "cmove{w}\t{$src2, $dst|$dst, $src2}",
1404 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1405 X86_COND_E, EFLAGS))]>,
1407 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1408 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1409 "cmove{l}\t{$src2, $dst|$dst, $src2}",
1410 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1411 X86_COND_E, EFLAGS))]>,
1413 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1414 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1415 "cmovne{w}\t{$src2, $dst|$dst, $src2}",
1416 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1417 X86_COND_NE, EFLAGS))]>,
1419 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1420 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1421 "cmovne{l}\t{$src2, $dst|$dst, $src2}",
1422 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1423 X86_COND_NE, EFLAGS))]>,
1425 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1426 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1427 "cmovbe{w}\t{$src2, $dst|$dst, $src2}",
1428 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1429 X86_COND_BE, EFLAGS))]>,
1431 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1432 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1433 "cmovbe{l}\t{$src2, $dst|$dst, $src2}",
1434 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1435 X86_COND_BE, EFLAGS))]>,
1437 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1438 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1439 "cmova{w}\t{$src2, $dst|$dst, $src2}",
1440 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1441 X86_COND_A, EFLAGS))]>,
1443 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1444 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1445 "cmova{l}\t{$src2, $dst|$dst, $src2}",
1446 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1447 X86_COND_A, EFLAGS))]>,
1449 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1450 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1451 "cmovl{w}\t{$src2, $dst|$dst, $src2}",
1452 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1453 X86_COND_L, EFLAGS))]>,
1455 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1456 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1457 "cmovl{l}\t{$src2, $dst|$dst, $src2}",
1458 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1459 X86_COND_L, EFLAGS))]>,
1461 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1462 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1463 "cmovge{w}\t{$src2, $dst|$dst, $src2}",
1464 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1465 X86_COND_GE, EFLAGS))]>,
1467 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1468 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1469 "cmovge{l}\t{$src2, $dst|$dst, $src2}",
1470 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1471 X86_COND_GE, EFLAGS))]>,
1473 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1474 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1475 "cmovle{w}\t{$src2, $dst|$dst, $src2}",
1476 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1477 X86_COND_LE, EFLAGS))]>,
1479 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1480 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1481 "cmovle{l}\t{$src2, $dst|$dst, $src2}",
1482 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1483 X86_COND_LE, EFLAGS))]>,
1485 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1486 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1487 "cmovg{w}\t{$src2, $dst|$dst, $src2}",
1488 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1489 X86_COND_G, EFLAGS))]>,
1491 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1492 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1493 "cmovg{l}\t{$src2, $dst|$dst, $src2}",
1494 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1495 X86_COND_G, EFLAGS))]>,
1497 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1498 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1499 "cmovs{w}\t{$src2, $dst|$dst, $src2}",
1500 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1501 X86_COND_S, EFLAGS))]>,
1503 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1504 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1505 "cmovs{l}\t{$src2, $dst|$dst, $src2}",
1506 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1507 X86_COND_S, EFLAGS))]>,
1509 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1510 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1511 "cmovns{w}\t{$src2, $dst|$dst, $src2}",
1512 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1513 X86_COND_NS, EFLAGS))]>,
1515 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1516 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1517 "cmovns{l}\t{$src2, $dst|$dst, $src2}",
1518 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1519 X86_COND_NS, EFLAGS))]>,
1521 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1522 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1523 "cmovp{w}\t{$src2, $dst|$dst, $src2}",
1524 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1525 X86_COND_P, EFLAGS))]>,
1527 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1528 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1529 "cmovp{l}\t{$src2, $dst|$dst, $src2}",
1530 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1531 X86_COND_P, EFLAGS))]>,
1533 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1534 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1535 "cmovnp{w}\t{$src2, $dst|$dst, $src2}",
1536 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1537 X86_COND_NP, EFLAGS))]>,
1539 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1540 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1541 "cmovnp{l}\t{$src2, $dst|$dst, $src2}",
1542 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1543 X86_COND_NP, EFLAGS))]>,
1545 def CMOVO16rm : I<0x40, MRMSrcMem, // if overflow, GR16 = [mem16]
1546 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1547 "cmovo{w}\t{$src2, $dst|$dst, $src2}",
1548 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1549 X86_COND_O, EFLAGS))]>,
1551 def CMOVO32rm : I<0x40, MRMSrcMem, // if overflow, GR32 = [mem32]
1552 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1553 "cmovo{l}\t{$src2, $dst|$dst, $src2}",
1554 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1555 X86_COND_O, EFLAGS))]>,
1557 def CMOVNO16rm : I<0x41, MRMSrcMem, // if !overflow, GR16 = [mem16]
1558 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1559 "cmovno{w}\t{$src2, $dst|$dst, $src2}",
1560 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1561 X86_COND_NO, EFLAGS))]>,
1563 def CMOVNO32rm : I<0x41, MRMSrcMem, // if !overflow, GR32 = [mem32]
1564 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1565 "cmovno{l}\t{$src2, $dst|$dst, $src2}",
1566 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1567 X86_COND_NO, EFLAGS))]>,
1569 } // Uses = [EFLAGS]
1572 // unary instructions
1573 let CodeSize = 2 in {
1574 let Defs = [EFLAGS] in {
1575 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src), "neg{b}\t$dst",
1576 [(set GR8:$dst, (ineg GR8:$src)),
1577 (implicit EFLAGS)]>;
1578 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src), "neg{w}\t$dst",
1579 [(set GR16:$dst, (ineg GR16:$src)),
1580 (implicit EFLAGS)]>, OpSize;
1581 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src), "neg{l}\t$dst",
1582 [(set GR32:$dst, (ineg GR32:$src)),
1583 (implicit EFLAGS)]>;
1584 let isTwoAddress = 0 in {
1585 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), "neg{b}\t$dst",
1586 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
1587 (implicit EFLAGS)]>;
1588 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), "neg{w}\t$dst",
1589 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
1590 (implicit EFLAGS)]>, OpSize;
1591 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), "neg{l}\t$dst",
1592 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
1593 (implicit EFLAGS)]>;
1595 } // Defs = [EFLAGS]
1597 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
1598 let AddedComplexity = 15 in {
1599 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src), "not{b}\t$dst",
1600 [(set GR8:$dst, (not GR8:$src))]>;
1601 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src), "not{w}\t$dst",
1602 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1603 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src), "not{l}\t$dst",
1604 [(set GR32:$dst, (not GR32:$src))]>;
1606 let isTwoAddress = 0 in {
1607 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), "not{b}\t$dst",
1608 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1609 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), "not{w}\t$dst",
1610 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1611 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), "not{l}\t$dst",
1612 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1616 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1617 let Defs = [EFLAGS] in {
1619 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
1620 [(set GR8:$dst, (add GR8:$src, 1)),
1621 (implicit EFLAGS)]>;
1622 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1623 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src),
1625 [(set GR16:$dst, (add GR16:$src, 1)),
1626 (implicit EFLAGS)]>,
1627 OpSize, Requires<[In32BitMode]>;
1628 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src),
1630 [(set GR32:$dst, (add GR32:$src, 1)),
1631 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1633 let isTwoAddress = 0, CodeSize = 2 in {
1634 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1635 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
1636 (implicit EFLAGS)]>;
1637 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1638 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
1639 (implicit EFLAGS)]>,
1640 OpSize, Requires<[In32BitMode]>;
1641 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1642 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
1643 (implicit EFLAGS)]>,
1644 Requires<[In32BitMode]>;
1648 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src), "dec{b}\t$dst",
1649 [(set GR8:$dst, (add GR8:$src, -1)),
1650 (implicit EFLAGS)]>;
1651 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1652 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src),
1654 [(set GR16:$dst, (add GR16:$src, -1)),
1655 (implicit EFLAGS)]>,
1656 OpSize, Requires<[In32BitMode]>;
1657 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src),
1659 [(set GR32:$dst, (add GR32:$src, -1)),
1660 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1663 let isTwoAddress = 0, CodeSize = 2 in {
1664 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1665 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
1666 (implicit EFLAGS)]>;
1667 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1668 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
1669 (implicit EFLAGS)]>,
1670 OpSize, Requires<[In32BitMode]>;
1671 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1672 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
1673 (implicit EFLAGS)]>,
1674 Requires<[In32BitMode]>;
1676 } // Defs = [EFLAGS]
1678 // Logical operators...
1679 let Defs = [EFLAGS] in {
1680 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1681 def AND8rr : I<0x20, MRMDestReg,
1682 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1683 "and{b}\t{$src2, $dst|$dst, $src2}",
1684 [(set GR8:$dst, (and GR8:$src1, GR8:$src2)),
1685 (implicit EFLAGS)]>;
1686 def AND16rr : I<0x21, MRMDestReg,
1687 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1688 "and{w}\t{$src2, $dst|$dst, $src2}",
1689 [(set GR16:$dst, (and GR16:$src1, GR16:$src2)),
1690 (implicit EFLAGS)]>, OpSize;
1691 def AND32rr : I<0x21, MRMDestReg,
1692 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1693 "and{l}\t{$src2, $dst|$dst, $src2}",
1694 [(set GR32:$dst, (and GR32:$src1, GR32:$src2)),
1695 (implicit EFLAGS)]>;
1698 // AND instructions with the destination register in REG and the source register
1699 // in R/M. Included for the disassembler.
1700 def AND8rr_REV : I<0x22, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1701 "and{b}\t{$src2, $dst|$dst, $src2}", []>;
1702 def AND16rr_REV : I<0x23, MRMSrcReg, (outs GR16:$dst),
1703 (ins GR16:$src1, GR16:$src2),
1704 "and{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1705 def AND32rr_REV : I<0x23, MRMSrcReg, (outs GR32:$dst),
1706 (ins GR32:$src1, GR32:$src2),
1707 "and{l}\t{$src2, $dst|$dst, $src2}", []>;
1709 def AND8rm : I<0x22, MRMSrcMem,
1710 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1711 "and{b}\t{$src2, $dst|$dst, $src2}",
1712 [(set GR8:$dst, (and GR8:$src1, (loadi8 addr:$src2))),
1713 (implicit EFLAGS)]>;
1714 def AND16rm : I<0x23, MRMSrcMem,
1715 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1716 "and{w}\t{$src2, $dst|$dst, $src2}",
1717 [(set GR16:$dst, (and GR16:$src1, (loadi16 addr:$src2))),
1718 (implicit EFLAGS)]>, OpSize;
1719 def AND32rm : I<0x23, MRMSrcMem,
1720 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1721 "and{l}\t{$src2, $dst|$dst, $src2}",
1722 [(set GR32:$dst, (and GR32:$src1, (loadi32 addr:$src2))),
1723 (implicit EFLAGS)]>;
1725 def AND8ri : Ii8<0x80, MRM4r,
1726 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1727 "and{b}\t{$src2, $dst|$dst, $src2}",
1728 [(set GR8:$dst, (and GR8:$src1, imm:$src2)),
1729 (implicit EFLAGS)]>;
1730 def AND16ri : Ii16<0x81, MRM4r,
1731 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1732 "and{w}\t{$src2, $dst|$dst, $src2}",
1733 [(set GR16:$dst, (and GR16:$src1, imm:$src2)),
1734 (implicit EFLAGS)]>, OpSize;
1735 def AND32ri : Ii32<0x81, MRM4r,
1736 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1737 "and{l}\t{$src2, $dst|$dst, $src2}",
1738 [(set GR32:$dst, (and GR32:$src1, imm:$src2)),
1739 (implicit EFLAGS)]>;
1740 def AND16ri8 : Ii8<0x83, MRM4r,
1741 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1742 "and{w}\t{$src2, $dst|$dst, $src2}",
1743 [(set GR16:$dst, (and GR16:$src1, i16immSExt8:$src2)),
1744 (implicit EFLAGS)]>,
1746 def AND32ri8 : Ii8<0x83, MRM4r,
1747 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1748 "and{l}\t{$src2, $dst|$dst, $src2}",
1749 [(set GR32:$dst, (and GR32:$src1, i32immSExt8:$src2)),
1750 (implicit EFLAGS)]>;
1752 let isTwoAddress = 0 in {
1753 def AND8mr : I<0x20, MRMDestMem,
1754 (outs), (ins i8mem :$dst, GR8 :$src),
1755 "and{b}\t{$src, $dst|$dst, $src}",
1756 [(store (and (load addr:$dst), GR8:$src), addr:$dst),
1757 (implicit EFLAGS)]>;
1758 def AND16mr : I<0x21, MRMDestMem,
1759 (outs), (ins i16mem:$dst, GR16:$src),
1760 "and{w}\t{$src, $dst|$dst, $src}",
1761 [(store (and (load addr:$dst), GR16:$src), addr:$dst),
1762 (implicit EFLAGS)]>,
1764 def AND32mr : I<0x21, MRMDestMem,
1765 (outs), (ins i32mem:$dst, GR32:$src),
1766 "and{l}\t{$src, $dst|$dst, $src}",
1767 [(store (and (load addr:$dst), GR32:$src), addr:$dst),
1768 (implicit EFLAGS)]>;
1769 def AND8mi : Ii8<0x80, MRM4m,
1770 (outs), (ins i8mem :$dst, i8imm :$src),
1771 "and{b}\t{$src, $dst|$dst, $src}",
1772 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
1773 (implicit EFLAGS)]>;
1774 def AND16mi : Ii16<0x81, MRM4m,
1775 (outs), (ins i16mem:$dst, i16imm:$src),
1776 "and{w}\t{$src, $dst|$dst, $src}",
1777 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
1778 (implicit EFLAGS)]>,
1780 def AND32mi : Ii32<0x81, MRM4m,
1781 (outs), (ins i32mem:$dst, i32imm:$src),
1782 "and{l}\t{$src, $dst|$dst, $src}",
1783 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
1784 (implicit EFLAGS)]>;
1785 def AND16mi8 : Ii8<0x83, MRM4m,
1786 (outs), (ins i16mem:$dst, i16i8imm :$src),
1787 "and{w}\t{$src, $dst|$dst, $src}",
1788 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
1789 (implicit EFLAGS)]>,
1791 def AND32mi8 : Ii8<0x83, MRM4m,
1792 (outs), (ins i32mem:$dst, i32i8imm :$src),
1793 "and{l}\t{$src, $dst|$dst, $src}",
1794 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
1795 (implicit EFLAGS)]>;
1797 def AND8i8 : Ii8<0x24, RawFrm, (outs), (ins i8imm:$src),
1798 "and{b}\t{$src, %al|%al, $src}", []>;
1799 def AND16i16 : Ii16<0x25, RawFrm, (outs), (ins i16imm:$src),
1800 "and{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1801 def AND32i32 : Ii32<0x25, RawFrm, (outs), (ins i32imm:$src),
1802 "and{l}\t{$src, %eax|%eax, $src}", []>;
1807 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1808 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst),
1809 (ins GR8 :$src1, GR8 :$src2),
1810 "or{b}\t{$src2, $dst|$dst, $src2}",
1811 [(set GR8:$dst, (or GR8:$src1, GR8:$src2)),
1812 (implicit EFLAGS)]>;
1813 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst),
1814 (ins GR16:$src1, GR16:$src2),
1815 "or{w}\t{$src2, $dst|$dst, $src2}",
1816 [(set GR16:$dst, (or GR16:$src1, GR16:$src2)),
1817 (implicit EFLAGS)]>, OpSize;
1818 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst),
1819 (ins GR32:$src1, GR32:$src2),
1820 "or{l}\t{$src2, $dst|$dst, $src2}",
1821 [(set GR32:$dst, (or GR32:$src1, GR32:$src2)),
1822 (implicit EFLAGS)]>;
1825 // OR instructions with the destination register in REG and the source register
1826 // in R/M. Included for the disassembler.
1827 def OR8rr_REV : I<0x0A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1828 "or{b}\t{$src2, $dst|$dst, $src2}", []>;
1829 def OR16rr_REV : I<0x0B, MRMSrcReg, (outs GR16:$dst),
1830 (ins GR16:$src1, GR16:$src2),
1831 "or{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1832 def OR32rr_REV : I<0x0B, MRMSrcReg, (outs GR32:$dst),
1833 (ins GR32:$src1, GR32:$src2),
1834 "or{l}\t{$src2, $dst|$dst, $src2}", []>;
1836 def OR8rm : I<0x0A, MRMSrcMem , (outs GR8 :$dst),
1837 (ins GR8 :$src1, i8mem :$src2),
1838 "or{b}\t{$src2, $dst|$dst, $src2}",
1839 [(set GR8:$dst, (or GR8:$src1, (load addr:$src2))),
1840 (implicit EFLAGS)]>;
1841 def OR16rm : I<0x0B, MRMSrcMem , (outs GR16:$dst),
1842 (ins GR16:$src1, i16mem:$src2),
1843 "or{w}\t{$src2, $dst|$dst, $src2}",
1844 [(set GR16:$dst, (or GR16:$src1, (load addr:$src2))),
1845 (implicit EFLAGS)]>, OpSize;
1846 def OR32rm : I<0x0B, MRMSrcMem , (outs GR32:$dst),
1847 (ins GR32:$src1, i32mem:$src2),
1848 "or{l}\t{$src2, $dst|$dst, $src2}",
1849 [(set GR32:$dst, (or GR32:$src1, (load addr:$src2))),
1850 (implicit EFLAGS)]>;
1852 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst),
1853 (ins GR8 :$src1, i8imm:$src2),
1854 "or{b}\t{$src2, $dst|$dst, $src2}",
1855 [(set GR8:$dst, (or GR8:$src1, imm:$src2)),
1856 (implicit EFLAGS)]>;
1857 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst),
1858 (ins GR16:$src1, i16imm:$src2),
1859 "or{w}\t{$src2, $dst|$dst, $src2}",
1860 [(set GR16:$dst, (or GR16:$src1, imm:$src2)),
1861 (implicit EFLAGS)]>, OpSize;
1862 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst),
1863 (ins GR32:$src1, i32imm:$src2),
1864 "or{l}\t{$src2, $dst|$dst, $src2}",
1865 [(set GR32:$dst, (or GR32:$src1, imm:$src2)),
1866 (implicit EFLAGS)]>;
1868 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst),
1869 (ins GR16:$src1, i16i8imm:$src2),
1870 "or{w}\t{$src2, $dst|$dst, $src2}",
1871 [(set GR16:$dst, (or GR16:$src1, i16immSExt8:$src2)),
1872 (implicit EFLAGS)]>, OpSize;
1873 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst),
1874 (ins GR32:$src1, i32i8imm:$src2),
1875 "or{l}\t{$src2, $dst|$dst, $src2}",
1876 [(set GR32:$dst, (or GR32:$src1, i32immSExt8:$src2)),
1877 (implicit EFLAGS)]>;
1878 let isTwoAddress = 0 in {
1879 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1880 "or{b}\t{$src, $dst|$dst, $src}",
1881 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
1882 (implicit EFLAGS)]>;
1883 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1884 "or{w}\t{$src, $dst|$dst, $src}",
1885 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
1886 (implicit EFLAGS)]>, OpSize;
1887 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1888 "or{l}\t{$src, $dst|$dst, $src}",
1889 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
1890 (implicit EFLAGS)]>;
1891 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1892 "or{b}\t{$src, $dst|$dst, $src}",
1893 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
1894 (implicit EFLAGS)]>;
1895 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
1896 "or{w}\t{$src, $dst|$dst, $src}",
1897 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
1898 (implicit EFLAGS)]>,
1900 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
1901 "or{l}\t{$src, $dst|$dst, $src}",
1902 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
1903 (implicit EFLAGS)]>;
1904 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
1905 "or{w}\t{$src, $dst|$dst, $src}",
1906 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
1907 (implicit EFLAGS)]>,
1909 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
1910 "or{l}\t{$src, $dst|$dst, $src}",
1911 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
1912 (implicit EFLAGS)]>;
1914 def OR8i8 : Ii8 <0x0C, RawFrm, (outs), (ins i8imm:$src),
1915 "or{b}\t{$src, %al|%al, $src}", []>;
1916 def OR16i16 : Ii16 <0x0D, RawFrm, (outs), (ins i16imm:$src),
1917 "or{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1918 def OR32i32 : Ii32 <0x0D, RawFrm, (outs), (ins i32imm:$src),
1919 "or{l}\t{$src, %eax|%eax, $src}", []>;
1920 } // isTwoAddress = 0
1923 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1924 def XOR8rr : I<0x30, MRMDestReg,
1925 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1926 "xor{b}\t{$src2, $dst|$dst, $src2}",
1927 [(set GR8:$dst, (xor GR8:$src1, GR8:$src2)),
1928 (implicit EFLAGS)]>;
1929 def XOR16rr : I<0x31, MRMDestReg,
1930 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1931 "xor{w}\t{$src2, $dst|$dst, $src2}",
1932 [(set GR16:$dst, (xor GR16:$src1, GR16:$src2)),
1933 (implicit EFLAGS)]>, OpSize;
1934 def XOR32rr : I<0x31, MRMDestReg,
1935 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1936 "xor{l}\t{$src2, $dst|$dst, $src2}",
1937 [(set GR32:$dst, (xor GR32:$src1, GR32:$src2)),
1938 (implicit EFLAGS)]>;
1939 } // isCommutable = 1
1941 // XOR instructions with the destination register in REG and the source register
1942 // in R/M. Included for the disassembler.
1943 def XOR8rr_REV : I<0x32, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1944 "xor{b}\t{$src2, $dst|$dst, $src2}", []>;
1945 def XOR16rr_REV : I<0x33, MRMSrcReg, (outs GR16:$dst),
1946 (ins GR16:$src1, GR16:$src2),
1947 "xor{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1948 def XOR32rr_REV : I<0x33, MRMSrcReg, (outs GR32:$dst),
1949 (ins GR32:$src1, GR32:$src2),
1950 "xor{l}\t{$src2, $dst|$dst, $src2}", []>;
1952 def XOR8rm : I<0x32, MRMSrcMem ,
1953 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
1954 "xor{b}\t{$src2, $dst|$dst, $src2}",
1955 [(set GR8:$dst, (xor GR8:$src1, (load addr:$src2))),
1956 (implicit EFLAGS)]>;
1957 def XOR16rm : I<0x33, MRMSrcMem ,
1958 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1959 "xor{w}\t{$src2, $dst|$dst, $src2}",
1960 [(set GR16:$dst, (xor GR16:$src1, (load addr:$src2))),
1961 (implicit EFLAGS)]>,
1963 def XOR32rm : I<0x33, MRMSrcMem ,
1964 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1965 "xor{l}\t{$src2, $dst|$dst, $src2}",
1966 [(set GR32:$dst, (xor GR32:$src1, (load addr:$src2))),
1967 (implicit EFLAGS)]>;
1969 def XOR8ri : Ii8<0x80, MRM6r,
1970 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1971 "xor{b}\t{$src2, $dst|$dst, $src2}",
1972 [(set GR8:$dst, (xor GR8:$src1, imm:$src2)),
1973 (implicit EFLAGS)]>;
1974 def XOR16ri : Ii16<0x81, MRM6r,
1975 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1976 "xor{w}\t{$src2, $dst|$dst, $src2}",
1977 [(set GR16:$dst, (xor GR16:$src1, imm:$src2)),
1978 (implicit EFLAGS)]>, OpSize;
1979 def XOR32ri : Ii32<0x81, MRM6r,
1980 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1981 "xor{l}\t{$src2, $dst|$dst, $src2}",
1982 [(set GR32:$dst, (xor GR32:$src1, imm:$src2)),
1983 (implicit EFLAGS)]>;
1984 def XOR16ri8 : Ii8<0x83, MRM6r,
1985 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1986 "xor{w}\t{$src2, $dst|$dst, $src2}",
1987 [(set GR16:$dst, (xor GR16:$src1, i16immSExt8:$src2)),
1988 (implicit EFLAGS)]>,
1990 def XOR32ri8 : Ii8<0x83, MRM6r,
1991 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1992 "xor{l}\t{$src2, $dst|$dst, $src2}",
1993 [(set GR32:$dst, (xor GR32:$src1, i32immSExt8:$src2)),
1994 (implicit EFLAGS)]>;
1996 let isTwoAddress = 0 in {
1997 def XOR8mr : I<0x30, MRMDestMem,
1998 (outs), (ins i8mem :$dst, GR8 :$src),
1999 "xor{b}\t{$src, $dst|$dst, $src}",
2000 [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
2001 (implicit EFLAGS)]>;
2002 def XOR16mr : I<0x31, MRMDestMem,
2003 (outs), (ins i16mem:$dst, GR16:$src),
2004 "xor{w}\t{$src, $dst|$dst, $src}",
2005 [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
2006 (implicit EFLAGS)]>,
2008 def XOR32mr : I<0x31, MRMDestMem,
2009 (outs), (ins i32mem:$dst, GR32:$src),
2010 "xor{l}\t{$src, $dst|$dst, $src}",
2011 [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
2012 (implicit EFLAGS)]>;
2013 def XOR8mi : Ii8<0x80, MRM6m,
2014 (outs), (ins i8mem :$dst, i8imm :$src),
2015 "xor{b}\t{$src, $dst|$dst, $src}",
2016 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
2017 (implicit EFLAGS)]>;
2018 def XOR16mi : Ii16<0x81, MRM6m,
2019 (outs), (ins i16mem:$dst, i16imm:$src),
2020 "xor{w}\t{$src, $dst|$dst, $src}",
2021 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
2022 (implicit EFLAGS)]>,
2024 def XOR32mi : Ii32<0x81, MRM6m,
2025 (outs), (ins i32mem:$dst, i32imm:$src),
2026 "xor{l}\t{$src, $dst|$dst, $src}",
2027 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
2028 (implicit EFLAGS)]>;
2029 def XOR16mi8 : Ii8<0x83, MRM6m,
2030 (outs), (ins i16mem:$dst, i16i8imm :$src),
2031 "xor{w}\t{$src, $dst|$dst, $src}",
2032 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
2033 (implicit EFLAGS)]>,
2035 def XOR32mi8 : Ii8<0x83, MRM6m,
2036 (outs), (ins i32mem:$dst, i32i8imm :$src),
2037 "xor{l}\t{$src, $dst|$dst, $src}",
2038 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
2039 (implicit EFLAGS)]>;
2041 def XOR8i8 : Ii8 <0x34, RawFrm, (outs), (ins i8imm:$src),
2042 "xor{b}\t{$src, %al|%al, $src}", []>;
2043 def XOR16i16 : Ii16 <0x35, RawFrm, (outs), (ins i16imm:$src),
2044 "xor{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2045 def XOR32i32 : Ii32 <0x35, RawFrm, (outs), (ins i32imm:$src),
2046 "xor{l}\t{$src, %eax|%eax, $src}", []>;
2047 } // isTwoAddress = 0
2048 } // Defs = [EFLAGS]
2050 // Shift instructions
2051 let Defs = [EFLAGS] in {
2052 let Uses = [CL] in {
2053 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src),
2054 "shl{b}\t{%cl, $dst|$dst, CL}",
2055 [(set GR8:$dst, (shl GR8:$src, CL))]>;
2056 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src),
2057 "shl{w}\t{%cl, $dst|$dst, CL}",
2058 [(set GR16:$dst, (shl GR16:$src, CL))]>, OpSize;
2059 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src),
2060 "shl{l}\t{%cl, $dst|$dst, CL}",
2061 [(set GR32:$dst, (shl GR32:$src, CL))]>;
2064 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2065 "shl{b}\t{$src2, $dst|$dst, $src2}",
2066 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
2067 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2068 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2069 "shl{w}\t{$src2, $dst|$dst, $src2}",
2070 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2071 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2072 "shl{l}\t{$src2, $dst|$dst, $src2}",
2073 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
2075 // NOTE: We don't include patterns for shifts of a register by one, because
2076 // 'add reg,reg' is cheaper.
2078 def SHL8r1 : I<0xD0, MRM4r, (outs GR8:$dst), (ins GR8:$src1),
2079 "shl{b}\t$dst", []>;
2080 def SHL16r1 : I<0xD1, MRM4r, (outs GR16:$dst), (ins GR16:$src1),
2081 "shl{w}\t$dst", []>, OpSize;
2082 def SHL32r1 : I<0xD1, MRM4r, (outs GR32:$dst), (ins GR32:$src1),
2083 "shl{l}\t$dst", []>;
2085 } // isConvertibleToThreeAddress = 1
2087 let isTwoAddress = 0 in {
2088 let Uses = [CL] in {
2089 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
2090 "shl{b}\t{%cl, $dst|$dst, CL}",
2091 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
2092 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
2093 "shl{w}\t{%cl, $dst|$dst, CL}",
2094 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2095 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
2096 "shl{l}\t{%cl, $dst|$dst, CL}",
2097 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
2099 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
2100 "shl{b}\t{$src, $dst|$dst, $src}",
2101 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2102 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
2103 "shl{w}\t{$src, $dst|$dst, $src}",
2104 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2106 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
2107 "shl{l}\t{$src, $dst|$dst, $src}",
2108 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2111 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
2113 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2114 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
2116 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2118 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
2120 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2123 let Uses = [CL] in {
2124 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src),
2125 "shr{b}\t{%cl, $dst|$dst, CL}",
2126 [(set GR8:$dst, (srl GR8:$src, CL))]>;
2127 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src),
2128 "shr{w}\t{%cl, $dst|$dst, CL}",
2129 [(set GR16:$dst, (srl GR16:$src, CL))]>, OpSize;
2130 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src),
2131 "shr{l}\t{%cl, $dst|$dst, CL}",
2132 [(set GR32:$dst, (srl GR32:$src, CL))]>;
2135 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2136 "shr{b}\t{$src2, $dst|$dst, $src2}",
2137 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
2138 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2139 "shr{w}\t{$src2, $dst|$dst, $src2}",
2140 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2141 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2142 "shr{l}\t{$src2, $dst|$dst, $src2}",
2143 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
2146 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
2148 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
2149 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
2151 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
2152 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
2154 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
2156 let isTwoAddress = 0 in {
2157 let Uses = [CL] in {
2158 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
2159 "shr{b}\t{%cl, $dst|$dst, CL}",
2160 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
2161 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
2162 "shr{w}\t{%cl, $dst|$dst, CL}",
2163 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
2165 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
2166 "shr{l}\t{%cl, $dst|$dst, CL}",
2167 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
2169 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
2170 "shr{b}\t{$src, $dst|$dst, $src}",
2171 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2172 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
2173 "shr{w}\t{$src, $dst|$dst, $src}",
2174 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2176 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
2177 "shr{l}\t{$src, $dst|$dst, $src}",
2178 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2181 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
2183 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2184 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
2186 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
2187 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
2189 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2192 let Uses = [CL] in {
2193 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src),
2194 "sar{b}\t{%cl, $dst|$dst, CL}",
2195 [(set GR8:$dst, (sra GR8:$src, CL))]>;
2196 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src),
2197 "sar{w}\t{%cl, $dst|$dst, CL}",
2198 [(set GR16:$dst, (sra GR16:$src, CL))]>, OpSize;
2199 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src),
2200 "sar{l}\t{%cl, $dst|$dst, CL}",
2201 [(set GR32:$dst, (sra GR32:$src, CL))]>;
2204 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2205 "sar{b}\t{$src2, $dst|$dst, $src2}",
2206 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
2207 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2208 "sar{w}\t{$src2, $dst|$dst, $src2}",
2209 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
2211 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2212 "sar{l}\t{$src2, $dst|$dst, $src2}",
2213 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
2216 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
2218 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
2219 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
2221 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
2222 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
2224 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
2226 let isTwoAddress = 0 in {
2227 let Uses = [CL] in {
2228 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
2229 "sar{b}\t{%cl, $dst|$dst, CL}",
2230 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
2231 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
2232 "sar{w}\t{%cl, $dst|$dst, CL}",
2233 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2234 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
2235 "sar{l}\t{%cl, $dst|$dst, CL}",
2236 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
2238 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
2239 "sar{b}\t{$src, $dst|$dst, $src}",
2240 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2241 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
2242 "sar{w}\t{$src, $dst|$dst, $src}",
2243 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2245 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
2246 "sar{l}\t{$src, $dst|$dst, $src}",
2247 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2250 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
2252 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2253 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
2255 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2257 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
2259 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2262 // Rotate instructions
2264 def RCL8r1 : I<0xD0, MRM2r, (outs GR8:$dst), (ins GR8:$src),
2265 "rcl{b}\t{1, $dst|$dst, 1}", []>;
2266 let Uses = [CL] in {
2267 def RCL8rCL : I<0xD2, MRM2r, (outs GR8:$dst), (ins GR8:$src),
2268 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
2270 def RCL8ri : Ii8<0xC0, MRM2r, (outs GR8:$dst), (ins GR8:$src, i8imm:$cnt),
2271 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2273 def RCL16r1 : I<0xD1, MRM2r, (outs GR16:$dst), (ins GR16:$src),
2274 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2275 let Uses = [CL] in {
2276 def RCL16rCL : I<0xD3, MRM2r, (outs GR16:$dst), (ins GR16:$src),
2277 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2279 def RCL16ri : Ii8<0xC1, MRM2r, (outs GR16:$dst), (ins GR16:$src, i8imm:$cnt),
2280 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2282 def RCL32r1 : I<0xD1, MRM2r, (outs GR32:$dst), (ins GR32:$src),
2283 "rcl{l}\t{1, $dst|$dst, 1}", []>;
2284 let Uses = [CL] in {
2285 def RCL32rCL : I<0xD3, MRM2r, (outs GR32:$dst), (ins GR32:$src),
2286 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
2288 def RCL32ri : Ii8<0xC1, MRM2r, (outs GR32:$dst), (ins GR32:$src, i8imm:$cnt),
2289 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2291 def RCR8r1 : I<0xD0, MRM3r, (outs GR8:$dst), (ins GR8:$src),
2292 "rcr{b}\t{1, $dst|$dst, 1}", []>;
2293 let Uses = [CL] in {
2294 def RCR8rCL : I<0xD2, MRM3r, (outs GR8:$dst), (ins GR8:$src),
2295 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
2297 def RCR8ri : Ii8<0xC0, MRM3r, (outs GR8:$dst), (ins GR8:$src, i8imm:$cnt),
2298 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2300 def RCR16r1 : I<0xD1, MRM3r, (outs GR16:$dst), (ins GR16:$src),
2301 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2302 let Uses = [CL] in {
2303 def RCR16rCL : I<0xD3, MRM3r, (outs GR16:$dst), (ins GR16:$src),
2304 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2306 def RCR16ri : Ii8<0xC1, MRM3r, (outs GR16:$dst), (ins GR16:$src, i8imm:$cnt),
2307 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2309 def RCR32r1 : I<0xD1, MRM3r, (outs GR32:$dst), (ins GR32:$src),
2310 "rcr{l}\t{1, $dst|$dst, 1}", []>;
2311 let Uses = [CL] in {
2312 def RCR32rCL : I<0xD3, MRM3r, (outs GR32:$dst), (ins GR32:$src),
2313 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
2315 def RCR32ri : Ii8<0xC1, MRM3r, (outs GR32:$dst), (ins GR32:$src, i8imm:$cnt),
2316 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2318 let isTwoAddress = 0 in {
2319 def RCL8m1 : I<0xD0, MRM2m, (outs), (ins i8mem:$dst),
2320 "rcl{b}\t{1, $dst|$dst, 1}", []>;
2321 def RCL8mi : Ii8<0xC0, MRM2m, (outs), (ins i8mem:$dst, i8imm:$cnt),
2322 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2323 def RCL16m1 : I<0xD1, MRM2m, (outs), (ins i16mem:$dst),
2324 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2325 def RCL16mi : Ii8<0xC1, MRM2m, (outs), (ins i16mem:$dst, i8imm:$cnt),
2326 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2327 def RCL32m1 : I<0xD1, MRM2m, (outs), (ins i32mem:$dst),
2328 "rcl{l}\t{1, $dst|$dst, 1}", []>;
2329 def RCL32mi : Ii8<0xC1, MRM2m, (outs), (ins i32mem:$dst, i8imm:$cnt),
2330 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2331 def RCR8m1 : I<0xD0, MRM3m, (outs), (ins i8mem:$dst),
2332 "rcr{b}\t{1, $dst|$dst, 1}", []>;
2333 def RCR8mi : Ii8<0xC0, MRM3m, (outs), (ins i8mem:$dst, i8imm:$cnt),
2334 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2335 def RCR16m1 : I<0xD1, MRM3m, (outs), (ins i16mem:$dst),
2336 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2337 def RCR16mi : Ii8<0xC1, MRM3m, (outs), (ins i16mem:$dst, i8imm:$cnt),
2338 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2339 def RCR32m1 : I<0xD1, MRM3m, (outs), (ins i32mem:$dst),
2340 "rcr{l}\t{1, $dst|$dst, 1}", []>;
2341 def RCR32mi : Ii8<0xC1, MRM3m, (outs), (ins i32mem:$dst, i8imm:$cnt),
2342 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2344 let Uses = [CL] in {
2345 def RCL8mCL : I<0xD2, MRM2m, (outs), (ins i8mem:$dst),
2346 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
2347 def RCL16mCL : I<0xD3, MRM2m, (outs), (ins i16mem:$dst),
2348 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2349 def RCL32mCL : I<0xD3, MRM2m, (outs), (ins i32mem:$dst),
2350 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
2351 def RCR8mCL : I<0xD2, MRM3m, (outs), (ins i8mem:$dst),
2352 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
2353 def RCR16mCL : I<0xD3, MRM3m, (outs), (ins i16mem:$dst),
2354 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2355 def RCR32mCL : I<0xD3, MRM3m, (outs), (ins i32mem:$dst),
2356 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
2360 // FIXME: provide shorter instructions when imm8 == 1
2361 let Uses = [CL] in {
2362 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),
2363 "rol{b}\t{%cl, $dst|$dst, CL}",
2364 [(set GR8:$dst, (rotl GR8:$src, CL))]>;
2365 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src),
2366 "rol{w}\t{%cl, $dst|$dst, CL}",
2367 [(set GR16:$dst, (rotl GR16:$src, CL))]>, OpSize;
2368 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src),
2369 "rol{l}\t{%cl, $dst|$dst, CL}",
2370 [(set GR32:$dst, (rotl GR32:$src, CL))]>;
2373 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2374 "rol{b}\t{$src2, $dst|$dst, $src2}",
2375 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
2376 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2377 "rol{w}\t{$src2, $dst|$dst, $src2}",
2378 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>,
2380 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2381 "rol{l}\t{$src2, $dst|$dst, $src2}",
2382 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
2385 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
2387 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
2388 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
2390 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
2391 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
2393 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
2395 let isTwoAddress = 0 in {
2396 let Uses = [CL] in {
2397 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
2398 "rol{b}\t{%cl, $dst|$dst, CL}",
2399 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
2400 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
2401 "rol{w}\t{%cl, $dst|$dst, CL}",
2402 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2403 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
2404 "rol{l}\t{%cl, $dst|$dst, CL}",
2405 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
2407 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
2408 "rol{b}\t{$src, $dst|$dst, $src}",
2409 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2410 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
2411 "rol{w}\t{$src, $dst|$dst, $src}",
2412 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2414 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
2415 "rol{l}\t{$src, $dst|$dst, $src}",
2416 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2419 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
2421 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2422 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
2424 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2426 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
2428 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2431 let Uses = [CL] in {
2432 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),
2433 "ror{b}\t{%cl, $dst|$dst, CL}",
2434 [(set GR8:$dst, (rotr GR8:$src, CL))]>;
2435 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src),
2436 "ror{w}\t{%cl, $dst|$dst, CL}",
2437 [(set GR16:$dst, (rotr GR16:$src, CL))]>, OpSize;
2438 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src),
2439 "ror{l}\t{%cl, $dst|$dst, CL}",
2440 [(set GR32:$dst, (rotr GR32:$src, CL))]>;
2443 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2444 "ror{b}\t{$src2, $dst|$dst, $src2}",
2445 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
2446 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2447 "ror{w}\t{$src2, $dst|$dst, $src2}",
2448 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>,
2450 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2451 "ror{l}\t{$src2, $dst|$dst, $src2}",
2452 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
2455 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2457 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
2458 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2460 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
2461 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2463 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
2465 let isTwoAddress = 0 in {
2466 let Uses = [CL] in {
2467 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
2468 "ror{b}\t{%cl, $dst|$dst, CL}",
2469 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
2470 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
2471 "ror{w}\t{%cl, $dst|$dst, CL}",
2472 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2473 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
2474 "ror{l}\t{%cl, $dst|$dst, CL}",
2475 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
2477 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2478 "ror{b}\t{$src, $dst|$dst, $src}",
2479 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2480 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
2481 "ror{w}\t{$src, $dst|$dst, $src}",
2482 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2484 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
2485 "ror{l}\t{$src, $dst|$dst, $src}",
2486 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2489 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
2491 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2492 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
2494 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2496 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
2498 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2503 // Double shift instructions (generalizations of rotate)
2504 let Uses = [CL] in {
2505 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst),
2506 (ins GR32:$src1, GR32:$src2),
2507 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2508 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
2509 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst),
2510 (ins GR32:$src1, GR32:$src2),
2511 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2512 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
2513 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst),
2514 (ins GR16:$src1, GR16:$src2),
2515 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2516 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
2518 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst),
2519 (ins GR16:$src1, GR16:$src2),
2520 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2521 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
2525 let isCommutable = 1 in { // These instructions commute to each other.
2526 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
2528 (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2529 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2530 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
2533 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
2535 (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2536 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2537 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
2540 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
2542 (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2543 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2544 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
2547 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
2549 (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2550 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2551 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
2556 let isTwoAddress = 0 in {
2557 let Uses = [CL] in {
2558 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2559 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2560 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
2562 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2563 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2564 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
2567 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
2568 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2569 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2570 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
2571 (i8 imm:$src3)), addr:$dst)]>,
2573 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
2574 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2575 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2576 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
2577 (i8 imm:$src3)), addr:$dst)]>,
2580 let Uses = [CL] in {
2581 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2582 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2583 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
2584 addr:$dst)]>, TB, OpSize;
2585 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2586 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2587 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
2588 addr:$dst)]>, TB, OpSize;
2590 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
2591 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2592 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2593 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
2594 (i8 imm:$src3)), addr:$dst)]>,
2596 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
2597 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2598 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2599 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
2600 (i8 imm:$src3)), addr:$dst)]>,
2603 } // Defs = [EFLAGS]
2607 let Defs = [EFLAGS] in {
2608 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
2609 // Register-Register Addition
2610 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
2611 (ins GR8 :$src1, GR8 :$src2),
2612 "add{b}\t{$src2, $dst|$dst, $src2}",
2613 [(set GR8:$dst, (add GR8:$src1, GR8:$src2)),
2614 (implicit EFLAGS)]>;
2616 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2617 // Register-Register Addition
2618 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
2619 (ins GR16:$src1, GR16:$src2),
2620 "add{w}\t{$src2, $dst|$dst, $src2}",
2621 [(set GR16:$dst, (add GR16:$src1, GR16:$src2)),
2622 (implicit EFLAGS)]>, OpSize;
2623 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
2624 (ins GR32:$src1, GR32:$src2),
2625 "add{l}\t{$src2, $dst|$dst, $src2}",
2626 [(set GR32:$dst, (add GR32:$src1, GR32:$src2)),
2627 (implicit EFLAGS)]>;
2628 } // end isConvertibleToThreeAddress
2629 } // end isCommutable
2631 // Register-Memory Addition
2632 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
2633 (ins GR8 :$src1, i8mem :$src2),
2634 "add{b}\t{$src2, $dst|$dst, $src2}",
2635 [(set GR8:$dst, (add GR8:$src1, (load addr:$src2))),
2636 (implicit EFLAGS)]>;
2637 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
2638 (ins GR16:$src1, i16mem:$src2),
2639 "add{w}\t{$src2, $dst|$dst, $src2}",
2640 [(set GR16:$dst, (add GR16:$src1, (load addr:$src2))),
2641 (implicit EFLAGS)]>, OpSize;
2642 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
2643 (ins GR32:$src1, i32mem:$src2),
2644 "add{l}\t{$src2, $dst|$dst, $src2}",
2645 [(set GR32:$dst, (add GR32:$src1, (load addr:$src2))),
2646 (implicit EFLAGS)]>;
2648 // Register-Register Addition - Equivalent to the normal rr forms (ADD8rr,
2649 // ADD16rr, and ADD32rr), but differently encoded.
2650 def ADD8mrmrr: I<0x02, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2651 "add{b}\t{$src2, $dst|$dst, $src2}", []>;
2652 def ADD16mrmrr: I<0x03, MRMSrcReg,(outs GR16:$dst),(ins GR16:$src1, GR16:$src2),
2653 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2654 def ADD32mrmrr: I<0x03, MRMSrcReg,(outs GR16:$dst),(ins GR16:$src1, GR16:$src2),
2655 "add{l}\t{$src2, $dst|$dst, $src2}", []>;
2657 // Register-Integer Addition
2658 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2659 "add{b}\t{$src2, $dst|$dst, $src2}",
2660 [(set GR8:$dst, (add GR8:$src1, imm:$src2)),
2661 (implicit EFLAGS)]>;
2663 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2664 // Register-Integer Addition
2665 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
2666 (ins GR16:$src1, i16imm:$src2),
2667 "add{w}\t{$src2, $dst|$dst, $src2}",
2668 [(set GR16:$dst, (add GR16:$src1, imm:$src2)),
2669 (implicit EFLAGS)]>, OpSize;
2670 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2671 (ins GR32:$src1, i32imm:$src2),
2672 "add{l}\t{$src2, $dst|$dst, $src2}",
2673 [(set GR32:$dst, (add GR32:$src1, imm:$src2)),
2674 (implicit EFLAGS)]>;
2675 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2676 (ins GR16:$src1, i16i8imm:$src2),
2677 "add{w}\t{$src2, $dst|$dst, $src2}",
2678 [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2)),
2679 (implicit EFLAGS)]>, OpSize;
2680 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2681 (ins GR32:$src1, i32i8imm:$src2),
2682 "add{l}\t{$src2, $dst|$dst, $src2}",
2683 [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2)),
2684 (implicit EFLAGS)]>;
2687 let isTwoAddress = 0 in {
2688 // Memory-Register Addition
2689 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2690 "add{b}\t{$src2, $dst|$dst, $src2}",
2691 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2692 (implicit EFLAGS)]>;
2693 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2694 "add{w}\t{$src2, $dst|$dst, $src2}",
2695 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2696 (implicit EFLAGS)]>, OpSize;
2697 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2698 "add{l}\t{$src2, $dst|$dst, $src2}",
2699 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2700 (implicit EFLAGS)]>;
2701 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2702 "add{b}\t{$src2, $dst|$dst, $src2}",
2703 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2704 (implicit EFLAGS)]>;
2705 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2706 "add{w}\t{$src2, $dst|$dst, $src2}",
2707 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2708 (implicit EFLAGS)]>, OpSize;
2709 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2710 "add{l}\t{$src2, $dst|$dst, $src2}",
2711 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2712 (implicit EFLAGS)]>;
2713 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2714 "add{w}\t{$src2, $dst|$dst, $src2}",
2715 [(store (add (load addr:$dst), i16immSExt8:$src2),
2717 (implicit EFLAGS)]>, OpSize;
2718 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2719 "add{l}\t{$src2, $dst|$dst, $src2}",
2720 [(store (add (load addr:$dst), i32immSExt8:$src2),
2722 (implicit EFLAGS)]>;
2725 def ADD8i8 : Ii8<0x04, RawFrm, (outs), (ins i8imm:$src),
2726 "add{b}\t{$src, %al|%al, $src}", []>;
2727 def ADD16i16 : Ii16<0x05, RawFrm, (outs), (ins i16imm:$src),
2728 "add{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2729 def ADD32i32 : Ii32<0x05, RawFrm, (outs), (ins i32imm:$src),
2730 "add{l}\t{$src, %eax|%eax, $src}", []>;
2733 let Uses = [EFLAGS] in {
2734 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2735 def ADC8rr : I<0x10, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2736 "adc{b}\t{$src2, $dst|$dst, $src2}",
2737 [(set GR8:$dst, (adde GR8:$src1, GR8:$src2))]>;
2738 def ADC16rr : I<0x11, MRMDestReg, (outs GR16:$dst),
2739 (ins GR16:$src1, GR16:$src2),
2740 "adc{w}\t{$src2, $dst|$dst, $src2}",
2741 [(set GR16:$dst, (adde GR16:$src1, GR16:$src2))]>, OpSize;
2742 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst),
2743 (ins GR32:$src1, GR32:$src2),
2744 "adc{l}\t{$src2, $dst|$dst, $src2}",
2745 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2748 def ADC8rr_REV : I<0x12, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2749 "adc{b}\t{$src2, $dst|$dst, $src2}", []>;
2750 def ADC16rr_REV : I<0x13, MRMSrcReg, (outs GR16:$dst),
2751 (ins GR16:$src1, GR16:$src2),
2752 "adc{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2753 def ADC32rr_REV : I<0x13, MRMSrcReg, (outs GR32:$dst),
2754 (ins GR32:$src1, GR32:$src2),
2755 "adc{l}\t{$src2, $dst|$dst, $src2}", []>;
2757 def ADC8rm : I<0x12, MRMSrcMem , (outs GR8:$dst),
2758 (ins GR8:$src1, i8mem:$src2),
2759 "adc{b}\t{$src2, $dst|$dst, $src2}",
2760 [(set GR8:$dst, (adde GR8:$src1, (load addr:$src2)))]>;
2761 def ADC16rm : I<0x13, MRMSrcMem , (outs GR16:$dst),
2762 (ins GR16:$src1, i16mem:$src2),
2763 "adc{w}\t{$src2, $dst|$dst, $src2}",
2764 [(set GR16:$dst, (adde GR16:$src1, (load addr:$src2)))]>,
2766 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst),
2767 (ins GR32:$src1, i32mem:$src2),
2768 "adc{l}\t{$src2, $dst|$dst, $src2}",
2769 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2770 def ADC8ri : Ii8<0x80, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2771 "adc{b}\t{$src2, $dst|$dst, $src2}",
2772 [(set GR8:$dst, (adde GR8:$src1, imm:$src2))]>;
2773 def ADC16ri : Ii16<0x81, MRM2r, (outs GR16:$dst),
2774 (ins GR16:$src1, i16imm:$src2),
2775 "adc{w}\t{$src2, $dst|$dst, $src2}",
2776 [(set GR16:$dst, (adde GR16:$src1, imm:$src2))]>, OpSize;
2777 def ADC16ri8 : Ii8<0x83, MRM2r, (outs GR16:$dst),
2778 (ins GR16:$src1, i16i8imm:$src2),
2779 "adc{w}\t{$src2, $dst|$dst, $src2}",
2780 [(set GR16:$dst, (adde GR16:$src1, i16immSExt8:$src2))]>,
2782 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst),
2783 (ins GR32:$src1, i32imm:$src2),
2784 "adc{l}\t{$src2, $dst|$dst, $src2}",
2785 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2786 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst),
2787 (ins GR32:$src1, i32i8imm:$src2),
2788 "adc{l}\t{$src2, $dst|$dst, $src2}",
2789 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2791 let isTwoAddress = 0 in {
2792 def ADC8mr : I<0x10, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2793 "adc{b}\t{$src2, $dst|$dst, $src2}",
2794 [(store (adde (load addr:$dst), GR8:$src2), addr:$dst)]>;
2795 def ADC16mr : I<0x11, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2796 "adc{w}\t{$src2, $dst|$dst, $src2}",
2797 [(store (adde (load addr:$dst), GR16:$src2), addr:$dst)]>,
2799 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2800 "adc{l}\t{$src2, $dst|$dst, $src2}",
2801 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2802 def ADC8mi : Ii8<0x80, MRM2m, (outs), (ins i8mem:$dst, i8imm:$src2),
2803 "adc{b}\t{$src2, $dst|$dst, $src2}",
2804 [(store (adde (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2805 def ADC16mi : Ii16<0x81, MRM2m, (outs), (ins i16mem:$dst, i16imm:$src2),
2806 "adc{w}\t{$src2, $dst|$dst, $src2}",
2807 [(store (adde (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2809 def ADC16mi8 : Ii8<0x83, MRM2m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2810 "adc{w}\t{$src2, $dst|$dst, $src2}",
2811 [(store (adde (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2813 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2814 "adc{l}\t{$src2, $dst|$dst, $src2}",
2815 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2816 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2817 "adc{l}\t{$src2, $dst|$dst, $src2}",
2818 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2820 def ADC8i8 : Ii8<0x14, RawFrm, (outs), (ins i8imm:$src),
2821 "adc{b}\t{$src, %al|%al, $src}", []>;
2822 def ADC16i16 : Ii16<0x15, RawFrm, (outs), (ins i16imm:$src),
2823 "adc{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2824 def ADC32i32 : Ii32<0x15, RawFrm, (outs), (ins i32imm:$src),
2825 "adc{l}\t{$src, %eax|%eax, $src}", []>;
2827 } // Uses = [EFLAGS]
2829 // Register-Register Subtraction
2830 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2831 "sub{b}\t{$src2, $dst|$dst, $src2}",
2832 [(set GR8:$dst, (sub GR8:$src1, GR8:$src2)),
2833 (implicit EFLAGS)]>;
2834 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2835 "sub{w}\t{$src2, $dst|$dst, $src2}",
2836 [(set GR16:$dst, (sub GR16:$src1, GR16:$src2)),
2837 (implicit EFLAGS)]>, OpSize;
2838 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2839 "sub{l}\t{$src2, $dst|$dst, $src2}",
2840 [(set GR32:$dst, (sub GR32:$src1, GR32:$src2)),
2841 (implicit EFLAGS)]>;
2843 def SUB8rr_REV : I<0x2A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2844 "sub{b}\t{$src2, $dst|$dst, $src2}", []>;
2845 def SUB16rr_REV : I<0x2B, MRMSrcReg, (outs GR16:$dst),
2846 (ins GR16:$src1, GR16:$src2),
2847 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2848 def SUB32rr_REV : I<0x2B, MRMSrcReg, (outs GR32:$dst),
2849 (ins GR32:$src1, GR32:$src2),
2850 "sub{l}\t{$src2, $dst|$dst, $src2}", []>;
2852 // Register-Memory Subtraction
2853 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
2854 (ins GR8 :$src1, i8mem :$src2),
2855 "sub{b}\t{$src2, $dst|$dst, $src2}",
2856 [(set GR8:$dst, (sub GR8:$src1, (load addr:$src2))),
2857 (implicit EFLAGS)]>;
2858 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
2859 (ins GR16:$src1, i16mem:$src2),
2860 "sub{w}\t{$src2, $dst|$dst, $src2}",
2861 [(set GR16:$dst, (sub GR16:$src1, (load addr:$src2))),
2862 (implicit EFLAGS)]>, OpSize;
2863 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
2864 (ins GR32:$src1, i32mem:$src2),
2865 "sub{l}\t{$src2, $dst|$dst, $src2}",
2866 [(set GR32:$dst, (sub GR32:$src1, (load addr:$src2))),
2867 (implicit EFLAGS)]>;
2869 // Register-Integer Subtraction
2870 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
2871 (ins GR8:$src1, i8imm:$src2),
2872 "sub{b}\t{$src2, $dst|$dst, $src2}",
2873 [(set GR8:$dst, (sub GR8:$src1, imm:$src2)),
2874 (implicit EFLAGS)]>;
2875 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
2876 (ins GR16:$src1, i16imm:$src2),
2877 "sub{w}\t{$src2, $dst|$dst, $src2}",
2878 [(set GR16:$dst, (sub GR16:$src1, imm:$src2)),
2879 (implicit EFLAGS)]>, OpSize;
2880 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
2881 (ins GR32:$src1, i32imm:$src2),
2882 "sub{l}\t{$src2, $dst|$dst, $src2}",
2883 [(set GR32:$dst, (sub GR32:$src1, imm:$src2)),
2884 (implicit EFLAGS)]>;
2885 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
2886 (ins GR16:$src1, i16i8imm:$src2),
2887 "sub{w}\t{$src2, $dst|$dst, $src2}",
2888 [(set GR16:$dst, (sub GR16:$src1, i16immSExt8:$src2)),
2889 (implicit EFLAGS)]>, OpSize;
2890 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
2891 (ins GR32:$src1, i32i8imm:$src2),
2892 "sub{l}\t{$src2, $dst|$dst, $src2}",
2893 [(set GR32:$dst, (sub GR32:$src1, i32immSExt8:$src2)),
2894 (implicit EFLAGS)]>;
2896 let isTwoAddress = 0 in {
2897 // Memory-Register Subtraction
2898 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
2899 "sub{b}\t{$src2, $dst|$dst, $src2}",
2900 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
2901 (implicit EFLAGS)]>;
2902 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2903 "sub{w}\t{$src2, $dst|$dst, $src2}",
2904 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
2905 (implicit EFLAGS)]>, OpSize;
2906 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2907 "sub{l}\t{$src2, $dst|$dst, $src2}",
2908 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
2909 (implicit EFLAGS)]>;
2911 // Memory-Integer Subtraction
2912 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
2913 "sub{b}\t{$src2, $dst|$dst, $src2}",
2914 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
2915 (implicit EFLAGS)]>;
2916 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
2917 "sub{w}\t{$src2, $dst|$dst, $src2}",
2918 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
2919 (implicit EFLAGS)]>, OpSize;
2920 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
2921 "sub{l}\t{$src2, $dst|$dst, $src2}",
2922 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
2923 (implicit EFLAGS)]>;
2924 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2925 "sub{w}\t{$src2, $dst|$dst, $src2}",
2926 [(store (sub (load addr:$dst), i16immSExt8:$src2),
2928 (implicit EFLAGS)]>, OpSize;
2929 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2930 "sub{l}\t{$src2, $dst|$dst, $src2}",
2931 [(store (sub (load addr:$dst), i32immSExt8:$src2),
2933 (implicit EFLAGS)]>;
2935 def SUB8i8 : Ii8<0x2C, RawFrm, (outs), (ins i8imm:$src),
2936 "sub{b}\t{$src, %al|%al, $src}", []>;
2937 def SUB16i16 : Ii16<0x2D, RawFrm, (outs), (ins i16imm:$src),
2938 "sub{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2939 def SUB32i32 : Ii32<0x2D, RawFrm, (outs), (ins i32imm:$src),
2940 "sub{l}\t{$src, %eax|%eax, $src}", []>;
2943 let Uses = [EFLAGS] in {
2944 def SBB8rr : I<0x18, MRMDestReg, (outs GR8:$dst),
2945 (ins GR8:$src1, GR8:$src2),
2946 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2947 [(set GR8:$dst, (sube GR8:$src1, GR8:$src2))]>;
2948 def SBB16rr : I<0x19, MRMDestReg, (outs GR16:$dst),
2949 (ins GR16:$src1, GR16:$src2),
2950 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2951 [(set GR16:$dst, (sube GR16:$src1, GR16:$src2))]>, OpSize;
2952 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst),
2953 (ins GR32:$src1, GR32:$src2),
2954 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2955 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
2957 let isTwoAddress = 0 in {
2958 def SBB8mr : I<0x18, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2959 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2960 [(store (sube (load addr:$dst), GR8:$src2), addr:$dst)]>;
2961 def SBB16mr : I<0x19, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2962 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2963 [(store (sube (load addr:$dst), GR16:$src2), addr:$dst)]>,
2965 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2966 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2967 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
2968 def SBB8mi : Ii8<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
2969 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2970 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2971 def SBB16mi : Ii16<0x81, MRM3m, (outs), (ins i16mem:$dst, i16imm:$src2),
2972 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2973 [(store (sube (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2975 def SBB16mi8 : Ii8<0x83, MRM3m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2976 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2977 [(store (sube (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2979 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
2980 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2981 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2982 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2983 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2984 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2986 def SBB8i8 : Ii8<0x1C, RawFrm, (outs), (ins i8imm:$src),
2987 "sbb{b}\t{$src, %al|%al, $src}", []>;
2988 def SBB16i16 : Ii16<0x1D, RawFrm, (outs), (ins i16imm:$src),
2989 "sbb{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2990 def SBB32i32 : Ii32<0x1D, RawFrm, (outs), (ins i32imm:$src),
2991 "sbb{l}\t{$src, %eax|%eax, $src}", []>;
2994 def SBB8rr_REV : I<0x1A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2995 "sbb{b}\t{$src2, $dst|$dst, $src2}", []>;
2996 def SBB16rr_REV : I<0x1B, MRMSrcReg, (outs GR16:$dst),
2997 (ins GR16:$src1, GR16:$src2),
2998 "sbb{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2999 def SBB32rr_REV : I<0x1B, MRMSrcReg, (outs GR32:$dst),
3000 (ins GR32:$src1, GR32:$src2),
3001 "sbb{l}\t{$src2, $dst|$dst, $src2}", []>;
3003 def SBB8rm : I<0x1A, MRMSrcMem, (outs GR8:$dst), (ins GR8:$src1, i8mem:$src2),
3004 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3005 [(set GR8:$dst, (sube GR8:$src1, (load addr:$src2)))]>;
3006 def SBB16rm : I<0x1B, MRMSrcMem, (outs GR16:$dst),
3007 (ins GR16:$src1, i16mem:$src2),
3008 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3009 [(set GR16:$dst, (sube GR16:$src1, (load addr:$src2)))]>,
3011 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst),
3012 (ins GR32:$src1, i32mem:$src2),
3013 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3014 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
3015 def SBB8ri : Ii8<0x80, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
3016 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3017 [(set GR8:$dst, (sube GR8:$src1, imm:$src2))]>;
3018 def SBB16ri : Ii16<0x81, MRM3r, (outs GR16:$dst),
3019 (ins GR16:$src1, i16imm:$src2),
3020 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3021 [(set GR16:$dst, (sube GR16:$src1, imm:$src2))]>, OpSize;
3022 def SBB16ri8 : Ii8<0x83, MRM3r, (outs GR16:$dst),
3023 (ins GR16:$src1, i16i8imm:$src2),
3024 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3025 [(set GR16:$dst, (sube GR16:$src1, i16immSExt8:$src2))]>,
3027 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst),
3028 (ins GR32:$src1, i32imm:$src2),
3029 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3030 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
3031 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst),
3032 (ins GR32:$src1, i32i8imm:$src2),
3033 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3034 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
3035 } // Uses = [EFLAGS]
3036 } // Defs = [EFLAGS]
3038 let Defs = [EFLAGS] in {
3039 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
3040 // Register-Register Signed Integer Multiply
3041 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
3042 "imul{w}\t{$src2, $dst|$dst, $src2}",
3043 [(set GR16:$dst, (mul GR16:$src1, GR16:$src2)),
3044 (implicit EFLAGS)]>, TB, OpSize;
3045 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
3046 "imul{l}\t{$src2, $dst|$dst, $src2}",
3047 [(set GR32:$dst, (mul GR32:$src1, GR32:$src2)),
3048 (implicit EFLAGS)]>, TB;
3051 // Register-Memory Signed Integer Multiply
3052 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
3053 (ins GR16:$src1, i16mem:$src2),
3054 "imul{w}\t{$src2, $dst|$dst, $src2}",
3055 [(set GR16:$dst, (mul GR16:$src1, (load addr:$src2))),
3056 (implicit EFLAGS)]>, TB, OpSize;
3057 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst),
3058 (ins GR32:$src1, i32mem:$src2),
3059 "imul{l}\t{$src2, $dst|$dst, $src2}",
3060 [(set GR32:$dst, (mul GR32:$src1, (load addr:$src2))),
3061 (implicit EFLAGS)]>, TB;
3062 } // Defs = [EFLAGS]
3063 } // end Two Address instructions
3065 // Suprisingly enough, these are not two address instructions!
3066 let Defs = [EFLAGS] in {
3067 // Register-Integer Signed Integer Multiply
3068 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
3069 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
3070 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3071 [(set GR16:$dst, (mul GR16:$src1, imm:$src2)),
3072 (implicit EFLAGS)]>, OpSize;
3073 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
3074 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
3075 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3076 [(set GR32:$dst, (mul GR32:$src1, imm:$src2)),
3077 (implicit EFLAGS)]>;
3078 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
3079 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
3080 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3081 [(set GR16:$dst, (mul GR16:$src1, i16immSExt8:$src2)),
3082 (implicit EFLAGS)]>, OpSize;
3083 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
3084 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
3085 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3086 [(set GR32:$dst, (mul GR32:$src1, i32immSExt8:$src2)),
3087 (implicit EFLAGS)]>;
3089 // Memory-Integer Signed Integer Multiply
3090 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
3091 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
3092 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3093 [(set GR16:$dst, (mul (load addr:$src1), imm:$src2)),
3094 (implicit EFLAGS)]>, OpSize;
3095 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
3096 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
3097 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3098 [(set GR32:$dst, (mul (load addr:$src1), imm:$src2)),
3099 (implicit EFLAGS)]>;
3100 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
3101 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
3102 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3103 [(set GR16:$dst, (mul (load addr:$src1),
3104 i16immSExt8:$src2)),
3105 (implicit EFLAGS)]>, OpSize;
3106 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
3107 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
3108 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3109 [(set GR32:$dst, (mul (load addr:$src1),
3110 i32immSExt8:$src2)),
3111 (implicit EFLAGS)]>;
3112 } // Defs = [EFLAGS]
3114 //===----------------------------------------------------------------------===//
3115 // Test instructions are just like AND, except they don't generate a result.
3117 let Defs = [EFLAGS] in {
3118 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
3119 def TEST8rr : I<0x84, MRMDestReg, (outs), (ins GR8:$src1, GR8:$src2),
3120 "test{b}\t{$src2, $src1|$src1, $src2}",
3121 [(X86cmp (and_su GR8:$src1, GR8:$src2), 0),
3122 (implicit EFLAGS)]>;
3123 def TEST16rr : I<0x85, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3124 "test{w}\t{$src2, $src1|$src1, $src2}",
3125 [(X86cmp (and_su GR16:$src1, GR16:$src2), 0),
3126 (implicit EFLAGS)]>,
3128 def TEST32rr : I<0x85, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3129 "test{l}\t{$src2, $src1|$src1, $src2}",
3130 [(X86cmp (and_su GR32:$src1, GR32:$src2), 0),
3131 (implicit EFLAGS)]>;
3134 def TEST8i8 : Ii8<0xA8, RawFrm, (outs), (ins i8imm:$src),
3135 "test{b}\t{$src, %al|%al, $src}", []>;
3136 def TEST16i16 : Ii16<0xA9, RawFrm, (outs), (ins i16imm:$src),
3137 "test{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3138 def TEST32i32 : Ii32<0xA9, RawFrm, (outs), (ins i32imm:$src),
3139 "test{l}\t{$src, %eax|%eax, $src}", []>;
3141 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
3142 "test{b}\t{$src2, $src1|$src1, $src2}",
3143 [(X86cmp (and GR8:$src1, (loadi8 addr:$src2)), 0),
3144 (implicit EFLAGS)]>;
3145 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
3146 "test{w}\t{$src2, $src1|$src1, $src2}",
3147 [(X86cmp (and GR16:$src1, (loadi16 addr:$src2)), 0),
3148 (implicit EFLAGS)]>, OpSize;
3149 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
3150 "test{l}\t{$src2, $src1|$src1, $src2}",
3151 [(X86cmp (and GR32:$src1, (loadi32 addr:$src2)), 0),
3152 (implicit EFLAGS)]>;
3154 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
3155 (outs), (ins GR8:$src1, i8imm:$src2),
3156 "test{b}\t{$src2, $src1|$src1, $src2}",
3157 [(X86cmp (and_su GR8:$src1, imm:$src2), 0),
3158 (implicit EFLAGS)]>;
3159 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
3160 (outs), (ins GR16:$src1, i16imm:$src2),
3161 "test{w}\t{$src2, $src1|$src1, $src2}",
3162 [(X86cmp (and_su GR16:$src1, imm:$src2), 0),
3163 (implicit EFLAGS)]>, OpSize;
3164 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
3165 (outs), (ins GR32:$src1, i32imm:$src2),
3166 "test{l}\t{$src2, $src1|$src1, $src2}",
3167 [(X86cmp (and_su GR32:$src1, imm:$src2), 0),
3168 (implicit EFLAGS)]>;
3170 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
3171 (outs), (ins i8mem:$src1, i8imm:$src2),
3172 "test{b}\t{$src2, $src1|$src1, $src2}",
3173 [(X86cmp (and (loadi8 addr:$src1), imm:$src2), 0),
3174 (implicit EFLAGS)]>;
3175 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
3176 (outs), (ins i16mem:$src1, i16imm:$src2),
3177 "test{w}\t{$src2, $src1|$src1, $src2}",
3178 [(X86cmp (and (loadi16 addr:$src1), imm:$src2), 0),
3179 (implicit EFLAGS)]>, OpSize;
3180 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
3181 (outs), (ins i32mem:$src1, i32imm:$src2),
3182 "test{l}\t{$src2, $src1|$src1, $src2}",
3183 [(X86cmp (and (loadi32 addr:$src1), imm:$src2), 0),
3184 (implicit EFLAGS)]>;
3185 } // Defs = [EFLAGS]
3188 // Condition code ops, incl. set if equal/not equal/...
3189 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
3190 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
3191 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
3192 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
3194 let Uses = [EFLAGS] in {
3195 // Use sbb to materialize carry bit.
3196 let Defs = [EFLAGS], isCodeGenOnly = 1 in {
3197 // FIXME: These are pseudo ops that should be replaced with Pat<> patterns.
3198 // However, Pat<> can't replicate the destination reg into the inputs of the
3200 // FIXME: Change these to have encoding Pseudo when X86MCCodeEmitter replaces
3202 def SETB_C8r : I<0x18, MRMInitReg, (outs GR8:$dst), (ins), "",
3203 [(set GR8:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>;
3204 def SETB_C16r : I<0x19, MRMInitReg, (outs GR16:$dst), (ins), "",
3205 [(set GR16:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>,
3207 def SETB_C32r : I<0x19, MRMInitReg, (outs GR32:$dst), (ins), "",
3208 [(set GR32:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>;
3211 def SETEr : I<0x94, MRM0r,
3212 (outs GR8 :$dst), (ins),
3214 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
3216 def SETEm : I<0x94, MRM0m,
3217 (outs), (ins i8mem:$dst),
3219 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
3222 def SETNEr : I<0x95, MRM0r,
3223 (outs GR8 :$dst), (ins),
3225 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
3227 def SETNEm : I<0x95, MRM0m,
3228 (outs), (ins i8mem:$dst),
3230 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
3233 def SETLr : I<0x9C, MRM0r,
3234 (outs GR8 :$dst), (ins),
3236 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
3237 TB; // GR8 = < signed
3238 def SETLm : I<0x9C, MRM0m,
3239 (outs), (ins i8mem:$dst),
3241 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
3242 TB; // [mem8] = < signed
3244 def SETGEr : I<0x9D, MRM0r,
3245 (outs GR8 :$dst), (ins),
3247 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
3248 TB; // GR8 = >= signed
3249 def SETGEm : I<0x9D, MRM0m,
3250 (outs), (ins i8mem:$dst),
3252 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
3253 TB; // [mem8] = >= signed
3255 def SETLEr : I<0x9E, MRM0r,
3256 (outs GR8 :$dst), (ins),
3258 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
3259 TB; // GR8 = <= signed
3260 def SETLEm : I<0x9E, MRM0m,
3261 (outs), (ins i8mem:$dst),
3263 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
3264 TB; // [mem8] = <= signed
3266 def SETGr : I<0x9F, MRM0r,
3267 (outs GR8 :$dst), (ins),
3269 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
3270 TB; // GR8 = > signed
3271 def SETGm : I<0x9F, MRM0m,
3272 (outs), (ins i8mem:$dst),
3274 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
3275 TB; // [mem8] = > signed
3277 def SETBr : I<0x92, MRM0r,
3278 (outs GR8 :$dst), (ins),
3280 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
3281 TB; // GR8 = < unsign
3282 def SETBm : I<0x92, MRM0m,
3283 (outs), (ins i8mem:$dst),
3285 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
3286 TB; // [mem8] = < unsign
3288 def SETAEr : I<0x93, MRM0r,
3289 (outs GR8 :$dst), (ins),
3291 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
3292 TB; // GR8 = >= unsign
3293 def SETAEm : I<0x93, MRM0m,
3294 (outs), (ins i8mem:$dst),
3296 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
3297 TB; // [mem8] = >= unsign
3299 def SETBEr : I<0x96, MRM0r,
3300 (outs GR8 :$dst), (ins),
3302 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
3303 TB; // GR8 = <= unsign
3304 def SETBEm : I<0x96, MRM0m,
3305 (outs), (ins i8mem:$dst),
3307 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
3308 TB; // [mem8] = <= unsign
3310 def SETAr : I<0x97, MRM0r,
3311 (outs GR8 :$dst), (ins),
3313 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
3314 TB; // GR8 = > signed
3315 def SETAm : I<0x97, MRM0m,
3316 (outs), (ins i8mem:$dst),
3318 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
3319 TB; // [mem8] = > signed
3321 def SETSr : I<0x98, MRM0r,
3322 (outs GR8 :$dst), (ins),
3324 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
3325 TB; // GR8 = <sign bit>
3326 def SETSm : I<0x98, MRM0m,
3327 (outs), (ins i8mem:$dst),
3329 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
3330 TB; // [mem8] = <sign bit>
3331 def SETNSr : I<0x99, MRM0r,
3332 (outs GR8 :$dst), (ins),
3334 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
3335 TB; // GR8 = !<sign bit>
3336 def SETNSm : I<0x99, MRM0m,
3337 (outs), (ins i8mem:$dst),
3339 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
3340 TB; // [mem8] = !<sign bit>
3342 def SETPr : I<0x9A, MRM0r,
3343 (outs GR8 :$dst), (ins),
3345 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
3347 def SETPm : I<0x9A, MRM0m,
3348 (outs), (ins i8mem:$dst),
3350 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
3351 TB; // [mem8] = parity
3352 def SETNPr : I<0x9B, MRM0r,
3353 (outs GR8 :$dst), (ins),
3355 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
3356 TB; // GR8 = not parity
3357 def SETNPm : I<0x9B, MRM0m,
3358 (outs), (ins i8mem:$dst),
3360 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
3361 TB; // [mem8] = not parity
3363 def SETOr : I<0x90, MRM0r,
3364 (outs GR8 :$dst), (ins),
3366 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
3367 TB; // GR8 = overflow
3368 def SETOm : I<0x90, MRM0m,
3369 (outs), (ins i8mem:$dst),
3371 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
3372 TB; // [mem8] = overflow
3373 def SETNOr : I<0x91, MRM0r,
3374 (outs GR8 :$dst), (ins),
3376 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
3377 TB; // GR8 = not overflow
3378 def SETNOm : I<0x91, MRM0m,
3379 (outs), (ins i8mem:$dst),
3381 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
3382 TB; // [mem8] = not overflow
3383 } // Uses = [EFLAGS]
3386 // Integer comparisons
3387 let Defs = [EFLAGS] in {
3388 def CMP8i8 : Ii8<0x3C, RawFrm, (outs), (ins i8imm:$src),
3389 "cmp{b}\t{$src, %al|%al, $src}", []>;
3390 def CMP16i16 : Ii16<0x3D, RawFrm, (outs), (ins i16imm:$src),
3391 "cmp{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3392 def CMP32i32 : Ii32<0x3D, RawFrm, (outs), (ins i32imm:$src),
3393 "cmp{l}\t{$src, %eax|%eax, $src}", []>;
3395 def CMP8rr : I<0x38, MRMDestReg,
3396 (outs), (ins GR8 :$src1, GR8 :$src2),
3397 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3398 [(X86cmp GR8:$src1, GR8:$src2), (implicit EFLAGS)]>;
3399 def CMP16rr : I<0x39, MRMDestReg,
3400 (outs), (ins GR16:$src1, GR16:$src2),
3401 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3402 [(X86cmp GR16:$src1, GR16:$src2), (implicit EFLAGS)]>, OpSize;
3403 def CMP32rr : I<0x39, MRMDestReg,
3404 (outs), (ins GR32:$src1, GR32:$src2),
3405 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3406 [(X86cmp GR32:$src1, GR32:$src2), (implicit EFLAGS)]>;
3407 def CMP8mr : I<0x38, MRMDestMem,
3408 (outs), (ins i8mem :$src1, GR8 :$src2),
3409 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3410 [(X86cmp (loadi8 addr:$src1), GR8:$src2),
3411 (implicit EFLAGS)]>;
3412 def CMP16mr : I<0x39, MRMDestMem,
3413 (outs), (ins i16mem:$src1, GR16:$src2),
3414 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3415 [(X86cmp (loadi16 addr:$src1), GR16:$src2),
3416 (implicit EFLAGS)]>, OpSize;
3417 def CMP32mr : I<0x39, MRMDestMem,
3418 (outs), (ins i32mem:$src1, GR32:$src2),
3419 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3420 [(X86cmp (loadi32 addr:$src1), GR32:$src2),
3421 (implicit EFLAGS)]>;
3422 def CMP8rm : I<0x3A, MRMSrcMem,
3423 (outs), (ins GR8 :$src1, i8mem :$src2),
3424 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3425 [(X86cmp GR8:$src1, (loadi8 addr:$src2)),
3426 (implicit EFLAGS)]>;
3427 def CMP16rm : I<0x3B, MRMSrcMem,
3428 (outs), (ins GR16:$src1, i16mem:$src2),
3429 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3430 [(X86cmp GR16:$src1, (loadi16 addr:$src2)),
3431 (implicit EFLAGS)]>, OpSize;
3432 def CMP32rm : I<0x3B, MRMSrcMem,
3433 (outs), (ins GR32:$src1, i32mem:$src2),
3434 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3435 [(X86cmp GR32:$src1, (loadi32 addr:$src2)),
3436 (implicit EFLAGS)]>;
3437 def CMP8mrmrr : I<0x3A, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
3438 "cmp{b}\t{$src2, $src1|$src1, $src2}", []>;
3439 def CMP16mrmrr : I<0x3B, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
3440 "cmp{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize;
3441 def CMP32mrmrr : I<0x3B, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
3442 "cmp{l}\t{$src2, $src1|$src1, $src2}", []>;
3443 def CMP8ri : Ii8<0x80, MRM7r,
3444 (outs), (ins GR8:$src1, i8imm:$src2),
3445 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3446 [(X86cmp GR8:$src1, imm:$src2), (implicit EFLAGS)]>;
3447 def CMP16ri : Ii16<0x81, MRM7r,
3448 (outs), (ins GR16:$src1, i16imm:$src2),
3449 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3450 [(X86cmp GR16:$src1, imm:$src2),
3451 (implicit EFLAGS)]>, OpSize;
3452 def CMP32ri : Ii32<0x81, MRM7r,
3453 (outs), (ins GR32:$src1, i32imm:$src2),
3454 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3455 [(X86cmp GR32:$src1, imm:$src2), (implicit EFLAGS)]>;
3456 def CMP8mi : Ii8 <0x80, MRM7m,
3457 (outs), (ins i8mem :$src1, i8imm :$src2),
3458 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3459 [(X86cmp (loadi8 addr:$src1), imm:$src2),
3460 (implicit EFLAGS)]>;
3461 def CMP16mi : Ii16<0x81, MRM7m,
3462 (outs), (ins i16mem:$src1, i16imm:$src2),
3463 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3464 [(X86cmp (loadi16 addr:$src1), imm:$src2),
3465 (implicit EFLAGS)]>, OpSize;
3466 def CMP32mi : Ii32<0x81, MRM7m,
3467 (outs), (ins i32mem:$src1, i32imm:$src2),
3468 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3469 [(X86cmp (loadi32 addr:$src1), imm:$src2),
3470 (implicit EFLAGS)]>;
3471 def CMP16ri8 : Ii8<0x83, MRM7r,
3472 (outs), (ins GR16:$src1, i16i8imm:$src2),
3473 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3474 [(X86cmp GR16:$src1, i16immSExt8:$src2),
3475 (implicit EFLAGS)]>, OpSize;
3476 def CMP16mi8 : Ii8<0x83, MRM7m,
3477 (outs), (ins i16mem:$src1, i16i8imm:$src2),
3478 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3479 [(X86cmp (loadi16 addr:$src1), i16immSExt8:$src2),
3480 (implicit EFLAGS)]>, OpSize;
3481 def CMP32mi8 : Ii8<0x83, MRM7m,
3482 (outs), (ins i32mem:$src1, i32i8imm:$src2),
3483 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3484 [(X86cmp (loadi32 addr:$src1), i32immSExt8:$src2),
3485 (implicit EFLAGS)]>;
3486 def CMP32ri8 : Ii8<0x83, MRM7r,
3487 (outs), (ins GR32:$src1, i32i8imm:$src2),
3488 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3489 [(X86cmp GR32:$src1, i32immSExt8:$src2),
3490 (implicit EFLAGS)]>;
3491 } // Defs = [EFLAGS]
3494 // TODO: BTC, BTR, and BTS
3495 let Defs = [EFLAGS] in {
3496 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3497 "bt{w}\t{$src2, $src1|$src1, $src2}",
3498 [(X86bt GR16:$src1, GR16:$src2),
3499 (implicit EFLAGS)]>, OpSize, TB;
3500 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3501 "bt{l}\t{$src2, $src1|$src1, $src2}",
3502 [(X86bt GR32:$src1, GR32:$src2),
3503 (implicit EFLAGS)]>, TB;
3505 // Unlike with the register+register form, the memory+register form of the
3506 // bt instruction does not ignore the high bits of the index. From ISel's
3507 // perspective, this is pretty bizarre. Make these instructions disassembly
3510 def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3511 "bt{w}\t{$src2, $src1|$src1, $src2}",
3512 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
3513 // (implicit EFLAGS)]
3515 >, OpSize, TB, Requires<[FastBTMem]>;
3516 def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3517 "bt{l}\t{$src2, $src1|$src1, $src2}",
3518 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
3519 // (implicit EFLAGS)]
3521 >, TB, Requires<[FastBTMem]>;
3523 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3524 "bt{w}\t{$src2, $src1|$src1, $src2}",
3525 [(X86bt GR16:$src1, i16immSExt8:$src2),
3526 (implicit EFLAGS)]>, OpSize, TB;
3527 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3528 "bt{l}\t{$src2, $src1|$src1, $src2}",
3529 [(X86bt GR32:$src1, i32immSExt8:$src2),
3530 (implicit EFLAGS)]>, TB;
3531 // Note that these instructions don't need FastBTMem because that
3532 // only applies when the other operand is in a register. When it's
3533 // an immediate, bt is still fast.
3534 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3535 "bt{w}\t{$src2, $src1|$src1, $src2}",
3536 [(X86bt (loadi16 addr:$src1), i16immSExt8:$src2),
3537 (implicit EFLAGS)]>, OpSize, TB;
3538 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3539 "bt{l}\t{$src2, $src1|$src1, $src2}",
3540 [(X86bt (loadi32 addr:$src1), i32immSExt8:$src2),
3541 (implicit EFLAGS)]>, TB;
3543 def BTC16rr : I<0xBB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3544 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3545 def BTC32rr : I<0xBB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3546 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3547 def BTC16mr : I<0xBB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3548 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3549 def BTC32mr : I<0xBB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3550 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3551 def BTC16ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3552 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3553 def BTC32ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3554 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3555 def BTC16mi8 : Ii8<0xBA, MRM7m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3556 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3557 def BTC32mi8 : Ii8<0xBA, MRM7m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3558 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3560 def BTR16rr : I<0xB3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3561 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3562 def BTR32rr : I<0xB3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3563 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3564 def BTR16mr : I<0xB3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3565 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3566 def BTR32mr : I<0xB3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3567 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3568 def BTR16ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3569 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3570 def BTR32ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3571 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3572 def BTR16mi8 : Ii8<0xBA, MRM6m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3573 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3574 def BTR32mi8 : Ii8<0xBA, MRM6m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3575 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3577 def BTS16rr : I<0xAB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3578 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3579 def BTS32rr : I<0xAB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3580 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3581 def BTS16mr : I<0xAB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3582 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3583 def BTS32mr : I<0xAB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3584 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3585 def BTS16ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3586 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3587 def BTS32ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3588 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3589 def BTS16mi8 : Ii8<0xBA, MRM5m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3590 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3591 def BTS32mi8 : Ii8<0xBA, MRM5m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3592 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3593 } // Defs = [EFLAGS]
3595 // Sign/Zero extenders
3596 // Use movsbl intead of movsbw; we don't care about the high 16 bits
3597 // of the register here. This has a smaller encoding and avoids a
3598 // partial-register update. Actual movsbw included for the disassembler.
3599 def MOVSX16rr8W : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src),
3600 "movs{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3601 def MOVSX16rm8W : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src),
3602 "movs{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3603 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3604 "", [(set GR16:$dst, (sext GR8:$src))]>, TB;
3605 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3606 "", [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
3607 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3608 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3609 [(set GR32:$dst, (sext GR8:$src))]>, TB;
3610 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3611 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3612 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
3613 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3614 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3615 [(set GR32:$dst, (sext GR16:$src))]>, TB;
3616 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3617 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3618 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
3620 // Use movzbl intead of movzbw; we don't care about the high 16 bits
3621 // of the register here. This has a smaller encoding and avoids a
3622 // partial-register update. Actual movzbw included for the disassembler.
3623 def MOVZX16rr8W : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src),
3624 "movz{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3625 def MOVZX16rm8W : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src),
3626 "movz{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3627 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3628 "", [(set GR16:$dst, (zext GR8:$src))]>, TB;
3629 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3630 "", [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
3631 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3632 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3633 [(set GR32:$dst, (zext GR8:$src))]>, TB;
3634 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3635 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3636 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
3637 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3638 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3639 [(set GR32:$dst, (zext GR16:$src))]>, TB;
3640 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3641 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3642 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
3644 // These are the same as the regular MOVZX32rr8 and MOVZX32rm8
3645 // except that they use GR32_NOREX for the output operand register class
3646 // instead of GR32. This allows them to operate on h registers on x86-64.
3647 def MOVZX32_NOREXrr8 : I<0xB6, MRMSrcReg,
3648 (outs GR32_NOREX:$dst), (ins GR8:$src),
3649 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3652 def MOVZX32_NOREXrm8 : I<0xB6, MRMSrcMem,
3653 (outs GR32_NOREX:$dst), (ins i8mem:$src),
3654 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3657 let neverHasSideEffects = 1 in {
3658 let Defs = [AX], Uses = [AL] in
3659 def CBW : I<0x98, RawFrm, (outs), (ins),
3660 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
3661 let Defs = [EAX], Uses = [AX] in
3662 def CWDE : I<0x98, RawFrm, (outs), (ins),
3663 "{cwtl|cwde}", []>; // EAX = signext(AX)
3665 let Defs = [AX,DX], Uses = [AX] in
3666 def CWD : I<0x99, RawFrm, (outs), (ins),
3667 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
3668 let Defs = [EAX,EDX], Uses = [EAX] in
3669 def CDQ : I<0x99, RawFrm, (outs), (ins),
3670 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
3673 //===----------------------------------------------------------------------===//
3674 // Alias Instructions
3675 //===----------------------------------------------------------------------===//
3677 // Alias instructions that map movr0 to xor.
3678 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
3679 // FIXME: Set encoding to pseudo.
3680 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1,
3681 isCodeGenOnly = 1 in {
3682 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins), "",
3683 [(set GR8:$dst, 0)]>;
3685 // We want to rewrite MOV16r0 in terms of MOV32r0, because it's a smaller
3686 // encoding and avoids a partial-register update sometimes, but doing so
3687 // at isel time interferes with rematerialization in the current register
3688 // allocator. For now, this is rewritten when the instruction is lowered
3690 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
3692 [(set GR16:$dst, 0)]>, OpSize;
3694 // FIXME: Set encoding to pseudo.
3695 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins), "",
3696 [(set GR32:$dst, 0)]>;
3699 //===----------------------------------------------------------------------===//
3700 // Thread Local Storage Instructions
3703 // All calls clobber the non-callee saved registers. ESP is marked as
3704 // a use to prevent stack-pointer assignments that appear immediately
3705 // before calls from potentially appearing dead.
3706 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
3707 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
3708 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
3709 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
3711 def TLS_addr32 : I<0, Pseudo, (outs), (ins lea32mem:$sym),
3712 "leal\t$sym, %eax; "
3713 "call\t___tls_get_addr@PLT",
3714 [(X86tlsaddr tls32addr:$sym)]>,
3715 Requires<[In32BitMode]>;
3717 let AddedComplexity = 5, isCodeGenOnly = 1 in
3718 def GS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3719 "movl\t%gs:$src, $dst",
3720 [(set GR32:$dst, (gsload addr:$src))]>, SegGS;
3722 let AddedComplexity = 5, isCodeGenOnly = 1 in
3723 def FS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3724 "movl\t%fs:$src, $dst",
3725 [(set GR32:$dst, (fsload addr:$src))]>, SegFS;
3727 //===----------------------------------------------------------------------===//
3728 // EH Pseudo Instructions
3730 let isTerminator = 1, isReturn = 1, isBarrier = 1,
3731 hasCtrlDep = 1, isCodeGenOnly = 1 in {
3732 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
3733 "ret\t#eh_return, addr: $addr",
3734 [(X86ehret GR32:$addr)]>;
3738 //===----------------------------------------------------------------------===//
3742 // Atomic swap. These are just normal xchg instructions. But since a memory
3743 // operand is referenced, the atomicity is ensured.
3744 let Constraints = "$val = $dst" in {
3745 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst),
3746 (ins GR32:$val, i32mem:$ptr),
3747 "xchg{l}\t{$val, $ptr|$ptr, $val}",
3748 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
3749 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst),
3750 (ins GR16:$val, i16mem:$ptr),
3751 "xchg{w}\t{$val, $ptr|$ptr, $val}",
3752 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
3754 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr),
3755 "xchg{b}\t{$val, $ptr|$ptr, $val}",
3756 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
3758 def XCHG32rr : I<0x87, MRMSrcReg, (outs GR32:$dst), (ins GR32:$val, GR32:$src),
3759 "xchg{l}\t{$val, $src|$src, $val}", []>;
3760 def XCHG16rr : I<0x87, MRMSrcReg, (outs GR16:$dst), (ins GR16:$val, GR16:$src),
3761 "xchg{w}\t{$val, $src|$src, $val}", []>, OpSize;
3762 def XCHG8rr : I<0x86, MRMSrcReg, (outs GR8:$dst), (ins GR8:$val, GR8:$src),
3763 "xchg{b}\t{$val, $src|$src, $val}", []>;
3766 def XCHG16ar : I<0x90, AddRegFrm, (outs), (ins GR16:$src),
3767 "xchg{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3768 def XCHG32ar : I<0x90, AddRegFrm, (outs), (ins GR32:$src),
3769 "xchg{l}\t{$src, %eax|%eax, $src}", []>;
3771 // Atomic compare and swap.
3772 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
3773 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
3775 "cmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
3776 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
3778 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
3779 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$ptr),
3782 [(X86cas8 addr:$ptr)]>, TB, LOCK;
3785 let Defs = [AX, EFLAGS], Uses = [AX] in {
3786 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
3788 "cmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
3789 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
3791 let Defs = [AL, EFLAGS], Uses = [AL] in {
3792 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
3794 "cmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
3795 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
3798 // Atomic exchange and add
3799 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
3800 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins GR32:$val, i32mem:$ptr),
3802 "xadd{l}\t{$val, $ptr|$ptr, $val}",
3803 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
3805 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins GR16:$val, i16mem:$ptr),
3807 "xadd{w}\t{$val, $ptr|$ptr, $val}",
3808 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
3810 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr),
3812 "xadd{b}\t{$val, $ptr|$ptr, $val}",
3813 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
3817 def XADD8rr : I<0xC0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
3818 "xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
3819 def XADD16rr : I<0xC1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
3820 "xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3821 def XADD32rr : I<0xC1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
3822 "xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
3824 def XADD8rm : I<0xC0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
3825 "xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
3826 def XADD16rm : I<0xC1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
3827 "xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3828 def XADD32rm : I<0xC1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
3829 "xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
3831 def CMPXCHG8rr : I<0xB0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
3832 "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
3833 def CMPXCHG16rr : I<0xB1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
3834 "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3835 def CMPXCHG32rr : I<0xB1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
3836 "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
3838 def CMPXCHG8rm : I<0xB0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
3839 "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
3840 def CMPXCHG16rm : I<0xB1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
3841 "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3842 def CMPXCHG32rm : I<0xB1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
3843 "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
3845 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in
3846 def CMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$dst),
3847 "cmpxchg8b\t$dst", []>, TB;
3849 // Optimized codegen when the non-memory output is not used.
3850 // FIXME: Use normal add / sub instructions and add lock prefix dynamically.
3851 let Defs = [EFLAGS] in {
3852 def LOCK_ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
3854 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3855 def LOCK_ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3857 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3858 def LOCK_ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3860 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3861 def LOCK_ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
3863 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3864 def LOCK_ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
3866 "add{w}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3867 def LOCK_ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
3869 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3870 def LOCK_ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3872 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3873 def LOCK_ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3875 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3877 def LOCK_INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst),
3879 "inc{b}\t$dst", []>, LOCK;
3880 def LOCK_INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst),
3882 "inc{w}\t$dst", []>, OpSize, LOCK;
3883 def LOCK_INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst),
3885 "inc{l}\t$dst", []>, LOCK;
3887 def LOCK_SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
3889 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3890 def LOCK_SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3892 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3893 def LOCK_SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3895 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3896 def LOCK_SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
3898 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3899 def LOCK_SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
3901 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3902 def LOCK_SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
3904 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3905 def LOCK_SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3907 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3908 def LOCK_SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3910 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3912 def LOCK_DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst),
3914 "dec{b}\t$dst", []>, LOCK;
3915 def LOCK_DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst),
3917 "dec{w}\t$dst", []>, OpSize, LOCK;
3918 def LOCK_DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst),
3920 "dec{l}\t$dst", []>, LOCK;
3923 // Atomic exchange, and, or, xor
3924 let Constraints = "$val = $dst", Defs = [EFLAGS],
3925 usesCustomInserter = 1 in {
3926 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3927 "#ATOMAND32 PSEUDO!",
3928 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
3929 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3930 "#ATOMOR32 PSEUDO!",
3931 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
3932 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3933 "#ATOMXOR32 PSEUDO!",
3934 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
3935 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3936 "#ATOMNAND32 PSEUDO!",
3937 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
3938 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3939 "#ATOMMIN32 PSEUDO!",
3940 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
3941 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3942 "#ATOMMAX32 PSEUDO!",
3943 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
3944 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3945 "#ATOMUMIN32 PSEUDO!",
3946 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
3947 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3948 "#ATOMUMAX32 PSEUDO!",
3949 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
3951 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3952 "#ATOMAND16 PSEUDO!",
3953 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
3954 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3955 "#ATOMOR16 PSEUDO!",
3956 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
3957 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3958 "#ATOMXOR16 PSEUDO!",
3959 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
3960 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3961 "#ATOMNAND16 PSEUDO!",
3962 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
3963 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3964 "#ATOMMIN16 PSEUDO!",
3965 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
3966 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3967 "#ATOMMAX16 PSEUDO!",
3968 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
3969 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3970 "#ATOMUMIN16 PSEUDO!",
3971 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
3972 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3973 "#ATOMUMAX16 PSEUDO!",
3974 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
3976 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3977 "#ATOMAND8 PSEUDO!",
3978 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
3979 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3981 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
3982 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3983 "#ATOMXOR8 PSEUDO!",
3984 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
3985 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3986 "#ATOMNAND8 PSEUDO!",
3987 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
3990 let Constraints = "$val1 = $dst1, $val2 = $dst2",
3991 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
3992 Uses = [EAX, EBX, ECX, EDX],
3993 mayLoad = 1, mayStore = 1,
3994 usesCustomInserter = 1 in {
3995 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3996 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3997 "#ATOMAND6432 PSEUDO!", []>;
3998 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3999 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4000 "#ATOMOR6432 PSEUDO!", []>;
4001 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4002 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4003 "#ATOMXOR6432 PSEUDO!", []>;
4004 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4005 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4006 "#ATOMNAND6432 PSEUDO!", []>;
4007 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4008 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4009 "#ATOMADD6432 PSEUDO!", []>;
4010 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4011 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4012 "#ATOMSUB6432 PSEUDO!", []>;
4013 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4014 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4015 "#ATOMSWAP6432 PSEUDO!", []>;
4018 // Segmentation support instructions.
4020 def LAR16rm : I<0x02, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
4021 "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4022 def LAR16rr : I<0x02, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
4023 "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4025 // i16mem operand in LAR32rm and GR32 operand in LAR32rr is not a typo.
4026 def LAR32rm : I<0x02, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
4027 "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
4028 def LAR32rr : I<0x02, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4029 "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
4031 def LSL16rm : I<0x03, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
4032 "lsl{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4033 def LSL16rr : I<0x03, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
4034 "lsl{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4035 def LSL32rm : I<0x03, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
4036 "lsl{l}\t{$src, $dst|$dst, $src}", []>, TB;
4037 def LSL32rr : I<0x03, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4038 "lsl{l}\t{$src, $dst|$dst, $src}", []>, TB;
4040 def INVLPG : I<0x01, MRM7m, (outs), (ins i8mem:$addr), "invlpg\t$addr", []>, TB;
4042 def STRr : I<0x00, MRM1r, (outs GR16:$dst), (ins),
4043 "str{w}\t{$dst}", []>, TB;
4044 def STRm : I<0x00, MRM1m, (outs i16mem:$dst), (ins),
4045 "str{w}\t{$dst}", []>, TB;
4046 def LTRr : I<0x00, MRM3r, (outs), (ins GR16:$src),
4047 "ltr{w}\t{$src}", []>, TB;
4048 def LTRm : I<0x00, MRM3m, (outs), (ins i16mem:$src),
4049 "ltr{w}\t{$src}", []>, TB;
4051 def PUSHFS16 : I<0xa0, RawFrm, (outs), (ins),
4052 "push{w}\t%fs", []>, OpSize, TB;
4053 def PUSHFS32 : I<0xa0, RawFrm, (outs), (ins),
4054 "push{l}\t%fs", []>, TB;
4055 def PUSHGS16 : I<0xa8, RawFrm, (outs), (ins),
4056 "push{w}\t%gs", []>, OpSize, TB;
4057 def PUSHGS32 : I<0xa8, RawFrm, (outs), (ins),
4058 "push{l}\t%gs", []>, TB;
4060 def POPFS16 : I<0xa1, RawFrm, (outs), (ins),
4061 "pop{w}\t%fs", []>, OpSize, TB;
4062 def POPFS32 : I<0xa1, RawFrm, (outs), (ins),
4063 "pop{l}\t%fs", []>, TB;
4064 def POPGS16 : I<0xa9, RawFrm, (outs), (ins),
4065 "pop{w}\t%gs", []>, OpSize, TB;
4066 def POPGS32 : I<0xa9, RawFrm, (outs), (ins),
4067 "pop{l}\t%gs", []>, TB;
4069 def LDS16rm : I<0xc5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4070 "lds{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
4071 def LDS32rm : I<0xc5, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4072 "lds{l}\t{$src, $dst|$dst, $src}", []>;
4073 def LSS16rm : I<0xb2, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4074 "lss{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4075 def LSS32rm : I<0xb2, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4076 "lss{l}\t{$src, $dst|$dst, $src}", []>, TB;
4077 def LES16rm : I<0xc4, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4078 "les{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
4079 def LES32rm : I<0xc4, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4080 "les{l}\t{$src, $dst|$dst, $src}", []>;
4081 def LFS16rm : I<0xb4, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4082 "lfs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4083 def LFS32rm : I<0xb4, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4084 "lfs{l}\t{$src, $dst|$dst, $src}", []>, TB;
4085 def LGS16rm : I<0xb5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4086 "lgs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4087 def LGS32rm : I<0xb5, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4088 "lgs{l}\t{$src, $dst|$dst, $src}", []>, TB;
4090 def VERRr : I<0x00, MRM4r, (outs), (ins GR16:$seg),
4091 "verr\t$seg", []>, TB;
4092 def VERRm : I<0x00, MRM4m, (outs), (ins i16mem:$seg),
4093 "verr\t$seg", []>, TB;
4094 def VERWr : I<0x00, MRM5r, (outs), (ins GR16:$seg),
4095 "verw\t$seg", []>, TB;
4096 def VERWm : I<0x00, MRM5m, (outs), (ins i16mem:$seg),
4097 "verw\t$seg", []>, TB;
4099 // Descriptor-table support instructions
4101 def SGDTm : I<0x01, MRM0m, (outs opaque48mem:$dst), (ins),
4102 "sgdt\t$dst", []>, TB;
4103 def SIDTm : I<0x01, MRM1m, (outs opaque48mem:$dst), (ins),
4104 "sidt\t$dst", []>, TB;
4105 def SLDT16r : I<0x00, MRM0r, (outs GR16:$dst), (ins),
4106 "sldt{w}\t$dst", []>, TB;
4107 def SLDT16m : I<0x00, MRM0m, (outs i16mem:$dst), (ins),
4108 "sldt{w}\t$dst", []>, TB;
4109 def LGDTm : I<0x01, MRM2m, (outs), (ins opaque48mem:$src),
4110 "lgdt\t$src", []>, TB;
4111 def LIDTm : I<0x01, MRM3m, (outs), (ins opaque48mem:$src),
4112 "lidt\t$src", []>, TB;
4113 def LLDT16r : I<0x00, MRM2r, (outs), (ins GR16:$src),
4114 "lldt{w}\t$src", []>, TB;
4115 def LLDT16m : I<0x00, MRM2m, (outs), (ins i16mem:$src),
4116 "lldt{w}\t$src", []>, TB;
4118 // Lock instruction prefix
4119 def LOCK_PREFIX : I<0xF0, RawFrm, (outs), (ins), "lock", []>;
4121 // Repeat string operation instruction prefixes
4122 // These uses the DF flag in the EFLAGS register to inc or dec ECX
4123 let Defs = [ECX], Uses = [ECX,EFLAGS] in {
4124 // Repeat (used with INS, OUTS, MOVS, LODS and STOS)
4125 def REP_PREFIX : I<0xF3, RawFrm, (outs), (ins), "rep", []>;
4126 // Repeat while not equal (used with CMPS and SCAS)
4127 def REPNE_PREFIX : I<0xF2, RawFrm, (outs), (ins), "repne", []>;
4130 // Segment override instruction prefixes
4131 def CS_PREFIX : I<0x2E, RawFrm, (outs), (ins), "cs", []>;
4132 def SS_PREFIX : I<0x36, RawFrm, (outs), (ins), "ss", []>;
4133 def DS_PREFIX : I<0x3E, RawFrm, (outs), (ins), "ds", []>;
4134 def ES_PREFIX : I<0x26, RawFrm, (outs), (ins), "es", []>;
4135 def FS_PREFIX : I<0x64, RawFrm, (outs), (ins), "fs", []>;
4136 def GS_PREFIX : I<0x65, RawFrm, (outs), (ins), "gs", []>;
4138 // String manipulation instructions
4140 def LODSB : I<0xAC, RawFrm, (outs), (ins), "lodsb", []>;
4141 def LODSW : I<0xAD, RawFrm, (outs), (ins), "lodsw", []>, OpSize;
4142 def LODSD : I<0xAD, RawFrm, (outs), (ins), "lods{l|d}", []>;
4144 def OUTSB : I<0x6E, RawFrm, (outs), (ins), "outsb", []>;
4145 def OUTSW : I<0x6F, RawFrm, (outs), (ins), "outsw", []>, OpSize;
4146 def OUTSD : I<0x6F, RawFrm, (outs), (ins), "outs{l|d}", []>;
4148 // CPU flow control instructions
4150 def HLT : I<0xF4, RawFrm, (outs), (ins), "hlt", []>;
4151 def RSM : I<0xAA, RawFrm, (outs), (ins), "rsm", []>, TB;
4153 // FPU control instructions
4155 def FNINIT : I<0xE3, RawFrm, (outs), (ins), "fninit", []>, DB;
4157 // Flag instructions
4159 def CLC : I<0xF8, RawFrm, (outs), (ins), "clc", []>;
4160 def STC : I<0xF9, RawFrm, (outs), (ins), "stc", []>;
4161 def CLI : I<0xFA, RawFrm, (outs), (ins), "cli", []>;
4162 def STI : I<0xFB, RawFrm, (outs), (ins), "sti", []>;
4163 def CLD : I<0xFC, RawFrm, (outs), (ins), "cld", []>;
4164 def STD : I<0xFD, RawFrm, (outs), (ins), "std", []>;
4165 def CMC : I<0xF5, RawFrm, (outs), (ins), "cmc", []>;
4167 def CLTS : I<0x06, RawFrm, (outs), (ins), "clts", []>, TB;
4169 // Table lookup instructions
4171 def XLAT : I<0xD7, RawFrm, (outs), (ins), "xlatb", []>;
4173 // Specialized register support
4175 def WRMSR : I<0x30, RawFrm, (outs), (ins), "wrmsr", []>, TB;
4176 def RDMSR : I<0x32, RawFrm, (outs), (ins), "rdmsr", []>, TB;
4177 def RDPMC : I<0x33, RawFrm, (outs), (ins), "rdpmc", []>, TB;
4179 def SMSW16r : I<0x01, MRM4r, (outs GR16:$dst), (ins),
4180 "smsw{w}\t$dst", []>, OpSize, TB;
4181 def SMSW32r : I<0x01, MRM4r, (outs GR32:$dst), (ins),
4182 "smsw{l}\t$dst", []>, TB;
4183 // For memory operands, there is only a 16-bit form
4184 def SMSW16m : I<0x01, MRM4m, (outs i16mem:$dst), (ins),
4185 "smsw{w}\t$dst", []>, TB;
4187 def LMSW16r : I<0x01, MRM6r, (outs), (ins GR16:$src),
4188 "lmsw{w}\t$src", []>, TB;
4189 def LMSW16m : I<0x01, MRM6m, (outs), (ins i16mem:$src),
4190 "lmsw{w}\t$src", []>, TB;
4192 def CPUID : I<0xA2, RawFrm, (outs), (ins), "cpuid", []>, TB;
4194 // Cache instructions
4196 def INVD : I<0x08, RawFrm, (outs), (ins), "invd", []>, TB;
4197 def WBINVD : I<0x09, RawFrm, (outs), (ins), "wbinvd", []>, TB;
4202 def INVEPT : I<0x80, RawFrm, (outs), (ins), "invept", []>, OpSize, T8;
4204 def INVVPID : I<0x81, RawFrm, (outs), (ins), "invvpid", []>, OpSize, T8;
4206 def VMCALL : I<0x01, MRM_C1, (outs), (ins), "vmcall", []>, TB;
4207 def VMCLEARm : I<0xC7, MRM6m, (outs), (ins i64mem:$vmcs),
4208 "vmclear\t$vmcs", []>, OpSize, TB;
4210 def VMLAUNCH : I<0x01, MRM_C2, (outs), (ins), "vmlaunch", []>, TB;
4212 def VMRESUME : I<0x01, MRM_C3, (outs), (ins), "vmresume", []>, TB;
4213 def VMPTRLDm : I<0xC7, MRM6m, (outs), (ins i64mem:$vmcs),
4214 "vmptrld\t$vmcs", []>, TB;
4215 def VMPTRSTm : I<0xC7, MRM7m, (outs i64mem:$vmcs), (ins),
4216 "vmptrst\t$vmcs", []>, TB;
4217 def VMREAD64rm : I<0x78, MRMDestMem, (outs i64mem:$dst), (ins GR64:$src),
4218 "vmread{q}\t{$src, $dst|$dst, $src}", []>, TB;
4219 def VMREAD64rr : I<0x78, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
4220 "vmread{q}\t{$src, $dst|$dst, $src}", []>, TB;
4221 def VMREAD32rm : I<0x78, MRMDestMem, (outs i32mem:$dst), (ins GR32:$src),
4222 "vmread{l}\t{$src, $dst|$dst, $src}", []>, TB;
4223 def VMREAD32rr : I<0x78, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
4224 "vmread{l}\t{$src, $dst|$dst, $src}", []>, TB;
4225 def VMWRITE64rm : I<0x79, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
4226 "vmwrite{q}\t{$src, $dst|$dst, $src}", []>, TB;
4227 def VMWRITE64rr : I<0x79, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
4228 "vmwrite{q}\t{$src, $dst|$dst, $src}", []>, TB;
4229 def VMWRITE32rm : I<0x79, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
4230 "vmwrite{l}\t{$src, $dst|$dst, $src}", []>, TB;
4231 def VMWRITE32rr : I<0x79, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4232 "vmwrite{l}\t{$src, $dst|$dst, $src}", []>, TB;
4234 def VMXOFF : I<0x01, MRM_C4, (outs), (ins), "vmxoff", []>, TB;
4235 def VMXON : I<0xC7, MRM6m, (outs), (ins i64mem:$vmxon),
4236 "vmxon\t{$vmxon}", []>, XD;
4238 //===----------------------------------------------------------------------===//
4239 // Non-Instruction Patterns
4240 //===----------------------------------------------------------------------===//
4242 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
4243 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
4244 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
4245 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
4246 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
4247 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
4248 def : Pat<(i32 (X86Wrapper tblockaddress:$dst)), (MOV32ri tblockaddress:$dst)>;
4250 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
4251 (ADD32ri GR32:$src1, tconstpool:$src2)>;
4252 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
4253 (ADD32ri GR32:$src1, tjumptable:$src2)>;
4254 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
4255 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
4256 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
4257 (ADD32ri GR32:$src1, texternalsym:$src2)>;
4258 def : Pat<(add GR32:$src1, (X86Wrapper tblockaddress:$src2)),
4259 (ADD32ri GR32:$src1, tblockaddress:$src2)>;
4261 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
4262 (MOV32mi addr:$dst, tglobaladdr:$src)>;
4263 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
4264 (MOV32mi addr:$dst, texternalsym:$src)>;
4265 def : Pat<(store (i32 (X86Wrapper tblockaddress:$src)), addr:$dst),
4266 (MOV32mi addr:$dst, tblockaddress:$src)>;
4270 def : Pat<(X86tcret GR32:$dst, imm:$off),
4271 (TCRETURNri GR32:$dst, imm:$off)>;
4273 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
4274 (TCRETURNdi texternalsym:$dst, imm:$off)>;
4276 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
4277 (TCRETURNdi texternalsym:$dst, imm:$off)>;
4279 // Normal calls, with various flavors of addresses.
4280 def : Pat<(X86call (i32 tglobaladdr:$dst)),
4281 (CALLpcrel32 tglobaladdr:$dst)>;
4282 def : Pat<(X86call (i32 texternalsym:$dst)),
4283 (CALLpcrel32 texternalsym:$dst)>;
4284 def : Pat<(X86call (i32 imm:$dst)),
4285 (CALLpcrel32 imm:$dst)>, Requires<[CallImmAddr]>;
4287 // X86 specific add which produces a flag.
4288 def : Pat<(addc GR32:$src1, GR32:$src2),
4289 (ADD32rr GR32:$src1, GR32:$src2)>;
4290 def : Pat<(addc GR32:$src1, (load addr:$src2)),
4291 (ADD32rm GR32:$src1, addr:$src2)>;
4292 def : Pat<(addc GR32:$src1, imm:$src2),
4293 (ADD32ri GR32:$src1, imm:$src2)>;
4294 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
4295 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4297 def : Pat<(subc GR32:$src1, GR32:$src2),
4298 (SUB32rr GR32:$src1, GR32:$src2)>;
4299 def : Pat<(subc GR32:$src1, (load addr:$src2)),
4300 (SUB32rm GR32:$src1, addr:$src2)>;
4301 def : Pat<(subc GR32:$src1, imm:$src2),
4302 (SUB32ri GR32:$src1, imm:$src2)>;
4303 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
4304 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4308 // TEST R,R is smaller than CMP R,0
4309 def : Pat<(parallel (X86cmp GR8:$src1, 0), (implicit EFLAGS)),
4310 (TEST8rr GR8:$src1, GR8:$src1)>;
4311 def : Pat<(parallel (X86cmp GR16:$src1, 0), (implicit EFLAGS)),
4312 (TEST16rr GR16:$src1, GR16:$src1)>;
4313 def : Pat<(parallel (X86cmp GR32:$src1, 0), (implicit EFLAGS)),
4314 (TEST32rr GR32:$src1, GR32:$src1)>;
4316 // Conditional moves with folded loads with operands swapped and conditions
4318 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_B, EFLAGS),
4319 (CMOVAE16rm GR16:$src2, addr:$src1)>;
4320 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_B, EFLAGS),
4321 (CMOVAE32rm GR32:$src2, addr:$src1)>;
4322 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_AE, EFLAGS),
4323 (CMOVB16rm GR16:$src2, addr:$src1)>;
4324 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_AE, EFLAGS),
4325 (CMOVB32rm GR32:$src2, addr:$src1)>;
4326 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_E, EFLAGS),
4327 (CMOVNE16rm GR16:$src2, addr:$src1)>;
4328 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_E, EFLAGS),
4329 (CMOVNE32rm GR32:$src2, addr:$src1)>;
4330 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NE, EFLAGS),
4331 (CMOVE16rm GR16:$src2, addr:$src1)>;
4332 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NE, EFLAGS),
4333 (CMOVE32rm GR32:$src2, addr:$src1)>;
4334 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_BE, EFLAGS),
4335 (CMOVA16rm GR16:$src2, addr:$src1)>;
4336 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_BE, EFLAGS),
4337 (CMOVA32rm GR32:$src2, addr:$src1)>;
4338 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_A, EFLAGS),
4339 (CMOVBE16rm GR16:$src2, addr:$src1)>;
4340 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_A, EFLAGS),
4341 (CMOVBE32rm GR32:$src2, addr:$src1)>;
4342 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_L, EFLAGS),
4343 (CMOVGE16rm GR16:$src2, addr:$src1)>;
4344 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_L, EFLAGS),
4345 (CMOVGE32rm GR32:$src2, addr:$src1)>;
4346 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_GE, EFLAGS),
4347 (CMOVL16rm GR16:$src2, addr:$src1)>;
4348 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_GE, EFLAGS),
4349 (CMOVL32rm GR32:$src2, addr:$src1)>;
4350 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_LE, EFLAGS),
4351 (CMOVG16rm GR16:$src2, addr:$src1)>;
4352 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_LE, EFLAGS),
4353 (CMOVG32rm GR32:$src2, addr:$src1)>;
4354 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_G, EFLAGS),
4355 (CMOVLE16rm GR16:$src2, addr:$src1)>;
4356 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_G, EFLAGS),
4357 (CMOVLE32rm GR32:$src2, addr:$src1)>;
4358 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_P, EFLAGS),
4359 (CMOVNP16rm GR16:$src2, addr:$src1)>;
4360 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_P, EFLAGS),
4361 (CMOVNP32rm GR32:$src2, addr:$src1)>;
4362 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NP, EFLAGS),
4363 (CMOVP16rm GR16:$src2, addr:$src1)>;
4364 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NP, EFLAGS),
4365 (CMOVP32rm GR32:$src2, addr:$src1)>;
4366 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_S, EFLAGS),
4367 (CMOVNS16rm GR16:$src2, addr:$src1)>;
4368 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_S, EFLAGS),
4369 (CMOVNS32rm GR32:$src2, addr:$src1)>;
4370 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NS, EFLAGS),
4371 (CMOVS16rm GR16:$src2, addr:$src1)>;
4372 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NS, EFLAGS),
4373 (CMOVS32rm GR32:$src2, addr:$src1)>;
4374 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_O, EFLAGS),
4375 (CMOVNO16rm GR16:$src2, addr:$src1)>;
4376 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_O, EFLAGS),
4377 (CMOVNO32rm GR32:$src2, addr:$src1)>;
4378 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NO, EFLAGS),
4379 (CMOVO16rm GR16:$src2, addr:$src1)>;
4380 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NO, EFLAGS),
4381 (CMOVO32rm GR32:$src2, addr:$src1)>;
4383 // zextload bool -> zextload byte
4384 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
4385 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
4386 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
4388 // extload bool -> extload byte
4389 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
4390 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
4391 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
4392 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>;
4393 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
4394 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
4396 // anyext. Define these to do an explicit zero-extend to
4397 // avoid partial-register updates.
4398 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>;
4399 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>;
4400 def : Pat<(i32 (anyext GR16:$src)), (MOVZX32rr16 GR16:$src)>;
4402 //===----------------------------------------------------------------------===//
4404 //===----------------------------------------------------------------------===//
4406 // Odd encoding trick: -128 fits into an 8-bit immediate field while
4407 // +128 doesn't, so in this special case use a sub instead of an add.
4408 def : Pat<(add GR16:$src1, 128),
4409 (SUB16ri8 GR16:$src1, -128)>;
4410 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
4411 (SUB16mi8 addr:$dst, -128)>;
4412 def : Pat<(add GR32:$src1, 128),
4413 (SUB32ri8 GR32:$src1, -128)>;
4414 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
4415 (SUB32mi8 addr:$dst, -128)>;
4417 // r & (2^16-1) ==> movz
4418 def : Pat<(and GR32:$src1, 0xffff),
4419 (MOVZX32rr16 (EXTRACT_SUBREG GR32:$src1, x86_subreg_16bit))>;
4420 // r & (2^8-1) ==> movz
4421 def : Pat<(and GR32:$src1, 0xff),
4422 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src1,
4425 Requires<[In32BitMode]>;
4426 // r & (2^8-1) ==> movz
4427 def : Pat<(and GR16:$src1, 0xff),
4428 (MOVZX16rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src1,
4431 Requires<[In32BitMode]>;
4433 // sext_inreg patterns
4434 def : Pat<(sext_inreg GR32:$src, i16),
4435 (MOVSX32rr16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
4436 def : Pat<(sext_inreg GR32:$src, i8),
4437 (MOVSX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4440 Requires<[In32BitMode]>;
4441 def : Pat<(sext_inreg GR16:$src, i8),
4442 (MOVSX16rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4445 Requires<[In32BitMode]>;
4448 def : Pat<(i16 (trunc GR32:$src)),
4449 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit)>;
4450 def : Pat<(i8 (trunc GR32:$src)),
4451 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src, GR32_ABCD)),
4453 Requires<[In32BitMode]>;
4454 def : Pat<(i8 (trunc GR16:$src)),
4455 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4457 Requires<[In32BitMode]>;
4459 // h-register tricks
4460 def : Pat<(i8 (trunc (srl_su GR16:$src, (i8 8)))),
4461 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4462 x86_subreg_8bit_hi)>,
4463 Requires<[In32BitMode]>;
4464 def : Pat<(i8 (trunc (srl_su GR32:$src, (i8 8)))),
4465 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR32:$src, GR32_ABCD)),
4466 x86_subreg_8bit_hi)>,
4467 Requires<[In32BitMode]>;
4468 def : Pat<(srl GR16:$src, (i8 8)),
4471 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4472 x86_subreg_8bit_hi)),
4474 Requires<[In32BitMode]>;
4475 def : Pat<(i32 (zext (srl_su GR16:$src, (i8 8)))),
4476 (MOVZX32rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4478 x86_subreg_8bit_hi))>,
4479 Requires<[In32BitMode]>;
4480 def : Pat<(i32 (anyext (srl_su GR16:$src, (i8 8)))),
4481 (MOVZX32rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4483 x86_subreg_8bit_hi))>,
4484 Requires<[In32BitMode]>;
4485 def : Pat<(and (srl_su GR32:$src, (i8 8)), (i32 255)),
4486 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4488 x86_subreg_8bit_hi))>,
4489 Requires<[In32BitMode]>;
4491 // (shl x, 1) ==> (add x, x)
4492 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
4493 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
4494 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
4496 // (shl x (and y, 31)) ==> (shl x, y)
4497 def : Pat<(shl GR8:$src1, (and CL, 31)),
4498 (SHL8rCL GR8:$src1)>;
4499 def : Pat<(shl GR16:$src1, (and CL, 31)),
4500 (SHL16rCL GR16:$src1)>;
4501 def : Pat<(shl GR32:$src1, (and CL, 31)),
4502 (SHL32rCL GR32:$src1)>;
4503 def : Pat<(store (shl (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4504 (SHL8mCL addr:$dst)>;
4505 def : Pat<(store (shl (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4506 (SHL16mCL addr:$dst)>;
4507 def : Pat<(store (shl (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4508 (SHL32mCL addr:$dst)>;
4510 def : Pat<(srl GR8:$src1, (and CL, 31)),
4511 (SHR8rCL GR8:$src1)>;
4512 def : Pat<(srl GR16:$src1, (and CL, 31)),
4513 (SHR16rCL GR16:$src1)>;
4514 def : Pat<(srl GR32:$src1, (and CL, 31)),
4515 (SHR32rCL GR32:$src1)>;
4516 def : Pat<(store (srl (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4517 (SHR8mCL addr:$dst)>;
4518 def : Pat<(store (srl (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4519 (SHR16mCL addr:$dst)>;
4520 def : Pat<(store (srl (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4521 (SHR32mCL addr:$dst)>;
4523 def : Pat<(sra GR8:$src1, (and CL, 31)),
4524 (SAR8rCL GR8:$src1)>;
4525 def : Pat<(sra GR16:$src1, (and CL, 31)),
4526 (SAR16rCL GR16:$src1)>;
4527 def : Pat<(sra GR32:$src1, (and CL, 31)),
4528 (SAR32rCL GR32:$src1)>;
4529 def : Pat<(store (sra (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4530 (SAR8mCL addr:$dst)>;
4531 def : Pat<(store (sra (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4532 (SAR16mCL addr:$dst)>;
4533 def : Pat<(store (sra (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4534 (SAR32mCL addr:$dst)>;
4536 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
4537 def : Pat<(or (srl GR32:$src1, CL:$amt),
4538 (shl GR32:$src2, (sub 32, CL:$amt))),
4539 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
4541 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
4542 (shl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
4543 (SHRD32mrCL addr:$dst, GR32:$src2)>;
4545 def : Pat<(or (srl GR32:$src1, (i8 (trunc ECX:$amt))),
4546 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
4547 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
4549 def : Pat<(store (or (srl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
4550 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
4552 (SHRD32mrCL addr:$dst, GR32:$src2)>;
4554 def : Pat<(shrd GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm/*:$amt2*/)),
4555 (SHRD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
4557 def : Pat<(store (shrd (loadi32 addr:$dst), (i8 imm:$amt1),
4558 GR32:$src2, (i8 imm/*:$amt2*/)), addr:$dst),
4559 (SHRD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
4561 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
4562 def : Pat<(or (shl GR32:$src1, CL:$amt),
4563 (srl GR32:$src2, (sub 32, CL:$amt))),
4564 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
4566 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
4567 (srl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
4568 (SHLD32mrCL addr:$dst, GR32:$src2)>;
4570 def : Pat<(or (shl GR32:$src1, (i8 (trunc ECX:$amt))),
4571 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
4572 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
4574 def : Pat<(store (or (shl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
4575 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
4577 (SHLD32mrCL addr:$dst, GR32:$src2)>;
4579 def : Pat<(shld GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm/*:$amt2*/)),
4580 (SHLD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
4582 def : Pat<(store (shld (loadi32 addr:$dst), (i8 imm:$amt1),
4583 GR32:$src2, (i8 imm/*:$amt2*/)), addr:$dst),
4584 (SHLD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
4586 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
4587 def : Pat<(or (srl GR16:$src1, CL:$amt),
4588 (shl GR16:$src2, (sub 16, CL:$amt))),
4589 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
4591 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
4592 (shl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
4593 (SHRD16mrCL addr:$dst, GR16:$src2)>;
4595 def : Pat<(or (srl GR16:$src1, (i8 (trunc CX:$amt))),
4596 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
4597 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
4599 def : Pat<(store (or (srl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
4600 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
4602 (SHRD16mrCL addr:$dst, GR16:$src2)>;
4604 def : Pat<(shrd GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm/*:$amt2*/)),
4605 (SHRD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
4607 def : Pat<(store (shrd (loadi16 addr:$dst), (i8 imm:$amt1),
4608 GR16:$src2, (i8 imm/*:$amt2*/)), addr:$dst),
4609 (SHRD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
4611 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
4612 def : Pat<(or (shl GR16:$src1, CL:$amt),
4613 (srl GR16:$src2, (sub 16, CL:$amt))),
4614 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
4616 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
4617 (srl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
4618 (SHLD16mrCL addr:$dst, GR16:$src2)>;
4620 def : Pat<(or (shl GR16:$src1, (i8 (trunc CX:$amt))),
4621 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
4622 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
4624 def : Pat<(store (or (shl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
4625 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
4627 (SHLD16mrCL addr:$dst, GR16:$src2)>;
4629 def : Pat<(shld GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm/*:$amt2*/)),
4630 (SHLD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
4632 def : Pat<(store (shld (loadi16 addr:$dst), (i8 imm:$amt1),
4633 GR16:$src2, (i8 imm/*:$amt2*/)), addr:$dst),
4634 (SHLD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
4636 // (anyext (setcc_carry)) -> (setcc_carry)
4637 def : Pat<(i16 (anyext (i8 (X86setcc_c X86_COND_B, EFLAGS)))),
4639 def : Pat<(i32 (anyext (i8 (X86setcc_c X86_COND_B, EFLAGS)))),
4642 // (or x1, x2) -> (add x1, x2) if two operands are known not to share bits.
4643 let AddedComplexity = 5 in { // Try this before the selecting to OR
4644 def : Pat<(parallel (or_is_add GR16:$src1, imm:$src2),
4646 (ADD16ri GR16:$src1, imm:$src2)>;
4647 def : Pat<(parallel (or_is_add GR32:$src1, imm:$src2),
4649 (ADD32ri GR32:$src1, imm:$src2)>;
4650 def : Pat<(parallel (or_is_add GR16:$src1, i16immSExt8:$src2),
4652 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4653 def : Pat<(parallel (or_is_add GR32:$src1, i32immSExt8:$src2),
4655 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4656 def : Pat<(parallel (or_is_add GR16:$src1, GR16:$src2),
4658 (ADD16rr GR16:$src1, GR16:$src2)>;
4659 def : Pat<(parallel (or_is_add GR32:$src1, GR32:$src2),
4661 (ADD32rr GR32:$src1, GR32:$src2)>;
4662 } // AddedComplexity
4664 //===----------------------------------------------------------------------===//
4665 // EFLAGS-defining Patterns
4666 //===----------------------------------------------------------------------===//
4668 // Register-Register Addition with EFLAGS result
4669 def : Pat<(parallel (X86add_flag GR8:$src1, GR8:$src2),
4671 (ADD8rr GR8:$src1, GR8:$src2)>;
4672 def : Pat<(parallel (X86add_flag GR16:$src1, GR16:$src2),
4674 (ADD16rr GR16:$src1, GR16:$src2)>;
4675 def : Pat<(parallel (X86add_flag GR32:$src1, GR32:$src2),
4677 (ADD32rr GR32:$src1, GR32:$src2)>;
4679 // Register-Memory Addition with EFLAGS result
4680 def : Pat<(parallel (X86add_flag GR8:$src1, (loadi8 addr:$src2)),
4682 (ADD8rm GR8:$src1, addr:$src2)>;
4683 def : Pat<(parallel (X86add_flag GR16:$src1, (loadi16 addr:$src2)),
4685 (ADD16rm GR16:$src1, addr:$src2)>;
4686 def : Pat<(parallel (X86add_flag GR32:$src1, (loadi32 addr:$src2)),
4688 (ADD32rm GR32:$src1, addr:$src2)>;
4690 // Register-Integer Addition with EFLAGS result
4691 def : Pat<(parallel (X86add_flag GR8:$src1, imm:$src2),
4693 (ADD8ri GR8:$src1, imm:$src2)>;
4694 def : Pat<(parallel (X86add_flag GR16:$src1, imm:$src2),
4696 (ADD16ri GR16:$src1, imm:$src2)>;
4697 def : Pat<(parallel (X86add_flag GR32:$src1, imm:$src2),
4699 (ADD32ri GR32:$src1, imm:$src2)>;
4700 def : Pat<(parallel (X86add_flag GR16:$src1, i16immSExt8:$src2),
4702 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4703 def : Pat<(parallel (X86add_flag GR32:$src1, i32immSExt8:$src2),
4705 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4707 // Memory-Register Addition with EFLAGS result
4708 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), GR8:$src2),
4711 (ADD8mr addr:$dst, GR8:$src2)>;
4712 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), GR16:$src2),
4715 (ADD16mr addr:$dst, GR16:$src2)>;
4716 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), GR32:$src2),
4719 (ADD32mr addr:$dst, GR32:$src2)>;
4721 // Memory-Integer Addition with EFLAGS result
4722 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), imm:$src2),
4725 (ADD8mi addr:$dst, imm:$src2)>;
4726 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), imm:$src2),
4729 (ADD16mi addr:$dst, imm:$src2)>;
4730 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), imm:$src2),
4733 (ADD32mi addr:$dst, imm:$src2)>;
4734 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), i16immSExt8:$src2),
4737 (ADD16mi8 addr:$dst, i16immSExt8:$src2)>;
4738 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), i32immSExt8:$src2),
4741 (ADD32mi8 addr:$dst, i32immSExt8:$src2)>;
4743 // Register-Register Subtraction with EFLAGS result
4744 def : Pat<(parallel (X86sub_flag GR8:$src1, GR8:$src2),
4746 (SUB8rr GR8:$src1, GR8:$src2)>;
4747 def : Pat<(parallel (X86sub_flag GR16:$src1, GR16:$src2),
4749 (SUB16rr GR16:$src1, GR16:$src2)>;
4750 def : Pat<(parallel (X86sub_flag GR32:$src1, GR32:$src2),
4752 (SUB32rr GR32:$src1, GR32:$src2)>;
4754 // Register-Memory Subtraction with EFLAGS result
4755 def : Pat<(parallel (X86sub_flag GR8:$src1, (loadi8 addr:$src2)),
4757 (SUB8rm GR8:$src1, addr:$src2)>;
4758 def : Pat<(parallel (X86sub_flag GR16:$src1, (loadi16 addr:$src2)),
4760 (SUB16rm GR16:$src1, addr:$src2)>;
4761 def : Pat<(parallel (X86sub_flag GR32:$src1, (loadi32 addr:$src2)),
4763 (SUB32rm GR32:$src1, addr:$src2)>;
4765 // Register-Integer Subtraction with EFLAGS result
4766 def : Pat<(parallel (X86sub_flag GR8:$src1, imm:$src2),
4768 (SUB8ri GR8:$src1, imm:$src2)>;
4769 def : Pat<(parallel (X86sub_flag GR16:$src1, imm:$src2),
4771 (SUB16ri GR16:$src1, imm:$src2)>;
4772 def : Pat<(parallel (X86sub_flag GR32:$src1, imm:$src2),
4774 (SUB32ri GR32:$src1, imm:$src2)>;
4775 def : Pat<(parallel (X86sub_flag GR16:$src1, i16immSExt8:$src2),
4777 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
4778 def : Pat<(parallel (X86sub_flag GR32:$src1, i32immSExt8:$src2),
4780 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4782 // Memory-Register Subtraction with EFLAGS result
4783 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), GR8:$src2),
4786 (SUB8mr addr:$dst, GR8:$src2)>;
4787 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), GR16:$src2),
4790 (SUB16mr addr:$dst, GR16:$src2)>;
4791 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), GR32:$src2),
4794 (SUB32mr addr:$dst, GR32:$src2)>;
4796 // Memory-Integer Subtraction with EFLAGS result
4797 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), imm:$src2),
4800 (SUB8mi addr:$dst, imm:$src2)>;
4801 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), imm:$src2),
4804 (SUB16mi addr:$dst, imm:$src2)>;
4805 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), imm:$src2),
4808 (SUB32mi addr:$dst, imm:$src2)>;
4809 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), i16immSExt8:$src2),
4812 (SUB16mi8 addr:$dst, i16immSExt8:$src2)>;
4813 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), i32immSExt8:$src2),
4816 (SUB32mi8 addr:$dst, i32immSExt8:$src2)>;
4819 // Register-Register Signed Integer Multiply with EFLAGS result
4820 def : Pat<(parallel (X86smul_flag GR16:$src1, GR16:$src2),
4822 (IMUL16rr GR16:$src1, GR16:$src2)>;
4823 def : Pat<(parallel (X86smul_flag GR32:$src1, GR32:$src2),
4825 (IMUL32rr GR32:$src1, GR32:$src2)>;
4827 // Register-Memory Signed Integer Multiply with EFLAGS result
4828 def : Pat<(parallel (X86smul_flag GR16:$src1, (loadi16 addr:$src2)),
4830 (IMUL16rm GR16:$src1, addr:$src2)>;
4831 def : Pat<(parallel (X86smul_flag GR32:$src1, (loadi32 addr:$src2)),
4833 (IMUL32rm GR32:$src1, addr:$src2)>;
4835 // Register-Integer Signed Integer Multiply with EFLAGS result
4836 def : Pat<(parallel (X86smul_flag GR16:$src1, imm:$src2),
4838 (IMUL16rri GR16:$src1, imm:$src2)>;
4839 def : Pat<(parallel (X86smul_flag GR32:$src1, imm:$src2),
4841 (IMUL32rri GR32:$src1, imm:$src2)>;
4842 def : Pat<(parallel (X86smul_flag GR16:$src1, i16immSExt8:$src2),
4844 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
4845 def : Pat<(parallel (X86smul_flag GR32:$src1, i32immSExt8:$src2),
4847 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
4849 // Memory-Integer Signed Integer Multiply with EFLAGS result
4850 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), imm:$src2),
4852 (IMUL16rmi addr:$src1, imm:$src2)>;
4853 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), imm:$src2),
4855 (IMUL32rmi addr:$src1, imm:$src2)>;
4856 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), i16immSExt8:$src2),
4858 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
4859 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), i32immSExt8:$src2),
4861 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
4863 // Optimize multiply by 2 with EFLAGS result.
4864 let AddedComplexity = 2 in {
4865 def : Pat<(parallel (X86smul_flag GR16:$src1, 2),
4867 (ADD16rr GR16:$src1, GR16:$src1)>;
4869 def : Pat<(parallel (X86smul_flag GR32:$src1, 2),
4871 (ADD32rr GR32:$src1, GR32:$src1)>;
4874 // INC and DEC with EFLAGS result. Note that these do not set CF.
4875 def : Pat<(parallel (X86inc_flag GR8:$src), (implicit EFLAGS)),
4877 def : Pat<(parallel (store (i8 (X86inc_flag (loadi8 addr:$dst))), addr:$dst),
4880 def : Pat<(parallel (X86dec_flag GR8:$src), (implicit EFLAGS)),
4882 def : Pat<(parallel (store (i8 (X86dec_flag (loadi8 addr:$dst))), addr:$dst),
4886 def : Pat<(parallel (X86inc_flag GR16:$src), (implicit EFLAGS)),
4887 (INC16r GR16:$src)>, Requires<[In32BitMode]>;
4888 def : Pat<(parallel (store (i16 (X86inc_flag (loadi16 addr:$dst))), addr:$dst),
4890 (INC16m addr:$dst)>, Requires<[In32BitMode]>;
4891 def : Pat<(parallel (X86dec_flag GR16:$src), (implicit EFLAGS)),
4892 (DEC16r GR16:$src)>, Requires<[In32BitMode]>;
4893 def : Pat<(parallel (store (i16 (X86dec_flag (loadi16 addr:$dst))), addr:$dst),
4895 (DEC16m addr:$dst)>, Requires<[In32BitMode]>;
4897 def : Pat<(parallel (X86inc_flag GR32:$src), (implicit EFLAGS)),
4898 (INC32r GR32:$src)>, Requires<[In32BitMode]>;
4899 def : Pat<(parallel (store (i32 (X86inc_flag (loadi32 addr:$dst))), addr:$dst),
4901 (INC32m addr:$dst)>, Requires<[In32BitMode]>;
4902 def : Pat<(parallel (X86dec_flag GR32:$src), (implicit EFLAGS)),
4903 (DEC32r GR32:$src)>, Requires<[In32BitMode]>;
4904 def : Pat<(parallel (store (i32 (X86dec_flag (loadi32 addr:$dst))), addr:$dst),
4906 (DEC32m addr:$dst)>, Requires<[In32BitMode]>;
4908 // Register-Register Or with EFLAGS result
4909 def : Pat<(parallel (X86or_flag GR8:$src1, GR8:$src2),
4911 (OR8rr GR8:$src1, GR8:$src2)>;
4912 def : Pat<(parallel (X86or_flag GR16:$src1, GR16:$src2),
4914 (OR16rr GR16:$src1, GR16:$src2)>;
4915 def : Pat<(parallel (X86or_flag GR32:$src1, GR32:$src2),
4917 (OR32rr GR32:$src1, GR32:$src2)>;
4919 // Register-Memory Or with EFLAGS result
4920 def : Pat<(parallel (X86or_flag GR8:$src1, (loadi8 addr:$src2)),
4922 (OR8rm GR8:$src1, addr:$src2)>;
4923 def : Pat<(parallel (X86or_flag GR16:$src1, (loadi16 addr:$src2)),
4925 (OR16rm GR16:$src1, addr:$src2)>;
4926 def : Pat<(parallel (X86or_flag GR32:$src1, (loadi32 addr:$src2)),
4928 (OR32rm GR32:$src1, addr:$src2)>;
4930 // Register-Integer Or with EFLAGS result
4931 def : Pat<(parallel (X86or_flag GR8:$src1, imm:$src2),
4933 (OR8ri GR8:$src1, imm:$src2)>;
4934 def : Pat<(parallel (X86or_flag GR16:$src1, imm:$src2),
4936 (OR16ri GR16:$src1, imm:$src2)>;
4937 def : Pat<(parallel (X86or_flag GR32:$src1, imm:$src2),
4939 (OR32ri GR32:$src1, imm:$src2)>;
4940 def : Pat<(parallel (X86or_flag GR16:$src1, i16immSExt8:$src2),
4942 (OR16ri8 GR16:$src1, i16immSExt8:$src2)>;
4943 def : Pat<(parallel (X86or_flag GR32:$src1, i32immSExt8:$src2),
4945 (OR32ri8 GR32:$src1, i32immSExt8:$src2)>;
4947 // Memory-Register Or with EFLAGS result
4948 def : Pat<(parallel (store (X86or_flag (loadi8 addr:$dst), GR8:$src2),
4951 (OR8mr addr:$dst, GR8:$src2)>;
4952 def : Pat<(parallel (store (X86or_flag (loadi16 addr:$dst), GR16:$src2),
4955 (OR16mr addr:$dst, GR16:$src2)>;
4956 def : Pat<(parallel (store (X86or_flag (loadi32 addr:$dst), GR32:$src2),
4959 (OR32mr addr:$dst, GR32:$src2)>;
4961 // Memory-Integer Or with EFLAGS result
4962 def : Pat<(parallel (store (X86or_flag (loadi8 addr:$dst), imm:$src2),
4965 (OR8mi addr:$dst, imm:$src2)>;
4966 def : Pat<(parallel (store (X86or_flag (loadi16 addr:$dst), imm:$src2),
4969 (OR16mi addr:$dst, imm:$src2)>;
4970 def : Pat<(parallel (store (X86or_flag (loadi32 addr:$dst), imm:$src2),
4973 (OR32mi addr:$dst, imm:$src2)>;
4974 def : Pat<(parallel (store (X86or_flag (loadi16 addr:$dst), i16immSExt8:$src2),
4977 (OR16mi8 addr:$dst, i16immSExt8:$src2)>;
4978 def : Pat<(parallel (store (X86or_flag (loadi32 addr:$dst), i32immSExt8:$src2),
4981 (OR32mi8 addr:$dst, i32immSExt8:$src2)>;
4983 // Register-Register XOr with EFLAGS result
4984 def : Pat<(parallel (X86xor_flag GR8:$src1, GR8:$src2),
4986 (XOR8rr GR8:$src1, GR8:$src2)>;
4987 def : Pat<(parallel (X86xor_flag GR16:$src1, GR16:$src2),
4989 (XOR16rr GR16:$src1, GR16:$src2)>;
4990 def : Pat<(parallel (X86xor_flag GR32:$src1, GR32:$src2),
4992 (XOR32rr GR32:$src1, GR32:$src2)>;
4994 // Register-Memory XOr with EFLAGS result
4995 def : Pat<(parallel (X86xor_flag GR8:$src1, (loadi8 addr:$src2)),
4997 (XOR8rm GR8:$src1, addr:$src2)>;
4998 def : Pat<(parallel (X86xor_flag GR16:$src1, (loadi16 addr:$src2)),
5000 (XOR16rm GR16:$src1, addr:$src2)>;
5001 def : Pat<(parallel (X86xor_flag GR32:$src1, (loadi32 addr:$src2)),
5003 (XOR32rm GR32:$src1, addr:$src2)>;
5005 // Register-Integer XOr with EFLAGS result
5006 def : Pat<(parallel (X86xor_flag GR8:$src1, imm:$src2),
5008 (XOR8ri GR8:$src1, imm:$src2)>;
5009 def : Pat<(parallel (X86xor_flag GR16:$src1, imm:$src2),
5011 (XOR16ri GR16:$src1, imm:$src2)>;
5012 def : Pat<(parallel (X86xor_flag GR32:$src1, imm:$src2),
5014 (XOR32ri GR32:$src1, imm:$src2)>;
5015 def : Pat<(parallel (X86xor_flag GR16:$src1, i16immSExt8:$src2),
5017 (XOR16ri8 GR16:$src1, i16immSExt8:$src2)>;
5018 def : Pat<(parallel (X86xor_flag GR32:$src1, i32immSExt8:$src2),
5020 (XOR32ri8 GR32:$src1, i32immSExt8:$src2)>;
5022 // Memory-Register XOr with EFLAGS result
5023 def : Pat<(parallel (store (X86xor_flag (loadi8 addr:$dst), GR8:$src2),
5026 (XOR8mr addr:$dst, GR8:$src2)>;
5027 def : Pat<(parallel (store (X86xor_flag (loadi16 addr:$dst), GR16:$src2),
5030 (XOR16mr addr:$dst, GR16:$src2)>;
5031 def : Pat<(parallel (store (X86xor_flag (loadi32 addr:$dst), GR32:$src2),
5034 (XOR32mr addr:$dst, GR32:$src2)>;
5036 // Memory-Integer XOr with EFLAGS result
5037 def : Pat<(parallel (store (X86xor_flag (loadi8 addr:$dst), imm:$src2),
5040 (XOR8mi addr:$dst, imm:$src2)>;
5041 def : Pat<(parallel (store (X86xor_flag (loadi16 addr:$dst), imm:$src2),
5044 (XOR16mi addr:$dst, imm:$src2)>;
5045 def : Pat<(parallel (store (X86xor_flag (loadi32 addr:$dst), imm:$src2),
5048 (XOR32mi addr:$dst, imm:$src2)>;
5049 def : Pat<(parallel (store (X86xor_flag (loadi16 addr:$dst), i16immSExt8:$src2),
5052 (XOR16mi8 addr:$dst, i16immSExt8:$src2)>;
5053 def : Pat<(parallel (store (X86xor_flag (loadi32 addr:$dst), i32immSExt8:$src2),
5056 (XOR32mi8 addr:$dst, i32immSExt8:$src2)>;
5058 // Register-Register And with EFLAGS result
5059 def : Pat<(parallel (X86and_flag GR8:$src1, GR8:$src2),
5061 (AND8rr GR8:$src1, GR8:$src2)>;
5062 def : Pat<(parallel (X86and_flag GR16:$src1, GR16:$src2),
5064 (AND16rr GR16:$src1, GR16:$src2)>;
5065 def : Pat<(parallel (X86and_flag GR32:$src1, GR32:$src2),
5067 (AND32rr GR32:$src1, GR32:$src2)>;
5069 // Register-Memory And with EFLAGS result
5070 def : Pat<(parallel (X86and_flag GR8:$src1, (loadi8 addr:$src2)),
5072 (AND8rm GR8:$src1, addr:$src2)>;
5073 def : Pat<(parallel (X86and_flag GR16:$src1, (loadi16 addr:$src2)),
5075 (AND16rm GR16:$src1, addr:$src2)>;
5076 def : Pat<(parallel (X86and_flag GR32:$src1, (loadi32 addr:$src2)),
5078 (AND32rm GR32:$src1, addr:$src2)>;
5080 // Register-Integer And with EFLAGS result
5081 def : Pat<(parallel (X86and_flag GR8:$src1, imm:$src2),
5083 (AND8ri GR8:$src1, imm:$src2)>;
5084 def : Pat<(parallel (X86and_flag GR16:$src1, imm:$src2),
5086 (AND16ri GR16:$src1, imm:$src2)>;
5087 def : Pat<(parallel (X86and_flag GR32:$src1, imm:$src2),
5089 (AND32ri GR32:$src1, imm:$src2)>;
5090 def : Pat<(parallel (X86and_flag GR16:$src1, i16immSExt8:$src2),
5092 (AND16ri8 GR16:$src1, i16immSExt8:$src2)>;
5093 def : Pat<(parallel (X86and_flag GR32:$src1, i32immSExt8:$src2),
5095 (AND32ri8 GR32:$src1, i32immSExt8:$src2)>;
5097 // Memory-Register And with EFLAGS result
5098 def : Pat<(parallel (store (X86and_flag (loadi8 addr:$dst), GR8:$src2),
5101 (AND8mr addr:$dst, GR8:$src2)>;
5102 def : Pat<(parallel (store (X86and_flag (loadi16 addr:$dst), GR16:$src2),
5105 (AND16mr addr:$dst, GR16:$src2)>;
5106 def : Pat<(parallel (store (X86and_flag (loadi32 addr:$dst), GR32:$src2),
5109 (AND32mr addr:$dst, GR32:$src2)>;
5111 // Memory-Integer And with EFLAGS result
5112 def : Pat<(parallel (store (X86and_flag (loadi8 addr:$dst), imm:$src2),
5115 (AND8mi addr:$dst, imm:$src2)>;
5116 def : Pat<(parallel (store (X86and_flag (loadi16 addr:$dst), imm:$src2),
5119 (AND16mi addr:$dst, imm:$src2)>;
5120 def : Pat<(parallel (store (X86and_flag (loadi32 addr:$dst), imm:$src2),
5123 (AND32mi addr:$dst, imm:$src2)>;
5124 def : Pat<(parallel (store (X86and_flag (loadi16 addr:$dst), i16immSExt8:$src2),
5127 (AND16mi8 addr:$dst, i16immSExt8:$src2)>;
5128 def : Pat<(parallel (store (X86and_flag (loadi32 addr:$dst), i32immSExt8:$src2),
5131 (AND32mi8 addr:$dst, i32immSExt8:$src2)>;
5133 // -disable-16bit support.
5134 def : Pat<(truncstorei16 (i32 imm:$src), addr:$dst),
5135 (MOV16mi addr:$dst, imm:$src)>;
5136 def : Pat<(truncstorei16 GR32:$src, addr:$dst),
5137 (MOV16mr addr:$dst, (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
5138 def : Pat<(i32 (sextloadi16 addr:$dst)),
5139 (MOVSX32rm16 addr:$dst)>;
5140 def : Pat<(i32 (zextloadi16 addr:$dst)),
5141 (MOVZX32rm16 addr:$dst)>;
5142 def : Pat<(i32 (extloadi16 addr:$dst)),
5143 (MOVZX32rm16 addr:$dst)>;
5145 //===----------------------------------------------------------------------===//
5146 // Floating Point Stack Support
5147 //===----------------------------------------------------------------------===//
5149 include "X86InstrFPStack.td"
5151 //===----------------------------------------------------------------------===//
5153 //===----------------------------------------------------------------------===//
5155 include "X86Instr64bit.td"
5157 //===----------------------------------------------------------------------===//
5158 // SIMD support (SSE, MMX and AVX)
5159 //===----------------------------------------------------------------------===//
5161 include "X86InstrFragmentsSIMD.td"
5163 //===----------------------------------------------------------------------===//
5164 // XMM Floating point support (requires SSE / SSE2)
5165 //===----------------------------------------------------------------------===//
5167 include "X86InstrSSE.td"
5169 //===----------------------------------------------------------------------===//
5170 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
5171 //===----------------------------------------------------------------------===//
5173 include "X86InstrMMX.td"