1 //===----------------------------------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the X86 instruction set, defining the instructions, and
11 // properties of the instructions which are needed for code generation, machine
12 // code emission, and analysis.
14 //===----------------------------------------------------------------------===//
16 //===----------------------------------------------------------------------===//
17 // X86 specific DAG Nodes.
20 def SDTIntShiftDOp: SDTypeProfile<1, 3,
21 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
22 SDTCisInt<0>, SDTCisInt<3>]>;
24 def SDTX86CmpTest : SDTypeProfile<1, 2, [SDTCisVT<0, i32>, SDTCisSameAs<1, 2>]>;
26 def SDTX86Cmov : SDTypeProfile<1, 4,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>,
28 SDTCisVT<3, i8>, SDTCisVT<4, i32>]>;
30 // Unary and binary operator instructions that set EFLAGS as a side-effect.
31 def SDTUnaryArithWithFlags : SDTypeProfile<2, 1,
32 [SDTCisInt<0>, SDTCisVT<1, i32>]>;
34 def SDTBinaryArithWithFlags : SDTypeProfile<2, 2,
37 SDTCisInt<0>, SDTCisVT<1, i32>]>;
38 def SDTX86BrCond : SDTypeProfile<0, 3,
39 [SDTCisVT<0, OtherVT>,
40 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
42 def SDTX86SetCC : SDTypeProfile<1, 2,
44 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
45 def SDTX86SetCC_C : SDTypeProfile<1, 2,
47 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
49 def SDTX86cas : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisInt<1>,
51 def SDTX86cas8 : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
53 def SDTX86atomicBinary : SDTypeProfile<2, 3, [SDTCisInt<0>, SDTCisInt<1>,
54 SDTCisPtrTy<2>, SDTCisInt<3>,SDTCisInt<4>]>;
55 def SDTX86Ret : SDTypeProfile<0, -1, [SDTCisVT<0, i16>]>;
57 def SDT_X86CallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
58 def SDT_X86CallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>,
61 def SDT_X86Call : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>;
63 def SDT_X86VASTART_SAVE_XMM_REGS : SDTypeProfile<0, -1, [SDTCisVT<0, i8>,
67 def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
69 def SDTX86Void : SDTypeProfile<0, 0, []>;
71 def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
73 def SDT_X86TLSADDR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
75 def SDT_X86SegmentBaseAddress : SDTypeProfile<1, 1, [SDTCisPtrTy<0>]>;
77 def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
79 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
81 def X86bsf : SDNode<"X86ISD::BSF", SDTUnaryArithWithFlags>;
82 def X86bsr : SDNode<"X86ISD::BSR", SDTUnaryArithWithFlags>;
83 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
84 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
86 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
87 def X86bt : SDNode<"X86ISD::BT", SDTX86CmpTest>;
89 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
90 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
92 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
93 def X86setcc_c : SDNode<"X86ISD::SETCC_CARRY", SDTX86SetCC_C>;
95 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
96 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
98 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86cas8,
99 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
101 def X86AtomAdd64 : SDNode<"X86ISD::ATOMADD64_DAG", SDTX86atomicBinary,
102 [SDNPHasChain, SDNPMayStore,
103 SDNPMayLoad, SDNPMemOperand]>;
104 def X86AtomSub64 : SDNode<"X86ISD::ATOMSUB64_DAG", SDTX86atomicBinary,
105 [SDNPHasChain, SDNPMayStore,
106 SDNPMayLoad, SDNPMemOperand]>;
107 def X86AtomOr64 : SDNode<"X86ISD::ATOMOR64_DAG", SDTX86atomicBinary,
108 [SDNPHasChain, SDNPMayStore,
109 SDNPMayLoad, SDNPMemOperand]>;
110 def X86AtomXor64 : SDNode<"X86ISD::ATOMXOR64_DAG", SDTX86atomicBinary,
111 [SDNPHasChain, SDNPMayStore,
112 SDNPMayLoad, SDNPMemOperand]>;
113 def X86AtomAnd64 : SDNode<"X86ISD::ATOMAND64_DAG", SDTX86atomicBinary,
114 [SDNPHasChain, SDNPMayStore,
115 SDNPMayLoad, SDNPMemOperand]>;
116 def X86AtomNand64 : SDNode<"X86ISD::ATOMNAND64_DAG", SDTX86atomicBinary,
117 [SDNPHasChain, SDNPMayStore,
118 SDNPMayLoad, SDNPMemOperand]>;
119 def X86AtomSwap64 : SDNode<"X86ISD::ATOMSWAP64_DAG", SDTX86atomicBinary,
120 [SDNPHasChain, SDNPMayStore,
121 SDNPMayLoad, SDNPMemOperand]>;
122 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
123 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
125 def X86vastart_save_xmm_regs :
126 SDNode<"X86ISD::VASTART_SAVE_XMM_REGS",
127 SDT_X86VASTART_SAVE_XMM_REGS,
128 [SDNPHasChain, SDNPVariadic]>;
130 def X86callseq_start :
131 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
132 [SDNPHasChain, SDNPOutFlag]>;
134 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
135 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
137 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
138 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag,
141 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
142 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore]>;
143 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
144 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
147 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG", SDTX86Void,
148 [SDNPHasChain, SDNPOutFlag, SDNPSideEffect]>;
150 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
151 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
153 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
154 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
155 def X86SegmentBaseAddress : SDNode<"X86ISD::SegmentBaseAddress",
156 SDT_X86SegmentBaseAddress, []>;
158 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
161 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
162 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
164 def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags,
166 def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
167 def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags,
169 def X86umul_flag : SDNode<"X86ISD::UMUL", SDTUnaryArithWithFlags,
172 def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>;
173 def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>;
174 def X86or_flag : SDNode<"X86ISD::OR", SDTBinaryArithWithFlags,
176 def X86xor_flag : SDNode<"X86ISD::XOR", SDTBinaryArithWithFlags,
178 def X86and_flag : SDNode<"X86ISD::AND", SDTBinaryArithWithFlags,
181 def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
183 def X86MingwAlloca : SDNode<"X86ISD::MINGW_ALLOCA", SDTX86Void,
184 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
186 //===----------------------------------------------------------------------===//
187 // X86 Operand Definitions.
190 // A version of ptr_rc which excludes SP, ESP, and RSP. This is used for
191 // the index operand of an address, to conform to x86 encoding restrictions.
192 def ptr_rc_nosp : PointerLikeRegClass<1>;
194 // *mem - Operand definitions for the funky X86 addressing mode operands.
196 def X86MemAsmOperand : AsmOperandClass {
200 def X86AbsMemAsmOperand : AsmOperandClass {
202 let SuperClass = X86MemAsmOperand;
204 def X86NoSegMemAsmOperand : AsmOperandClass {
205 let Name = "NoSegMem";
206 let SuperClass = X86MemAsmOperand;
208 class X86MemOperand<string printMethod> : Operand<iPTR> {
209 let PrintMethod = printMethod;
210 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc_nosp, i32imm, i8imm);
211 let ParserMatchClass = X86MemAsmOperand;
214 def opaque32mem : X86MemOperand<"printopaquemem">;
215 def opaque48mem : X86MemOperand<"printopaquemem">;
216 def opaque80mem : X86MemOperand<"printopaquemem">;
217 def opaque512mem : X86MemOperand<"printopaquemem">;
219 def i8mem : X86MemOperand<"printi8mem">;
220 def i16mem : X86MemOperand<"printi16mem">;
221 def i32mem : X86MemOperand<"printi32mem">;
222 def i64mem : X86MemOperand<"printi64mem">;
223 def i128mem : X86MemOperand<"printi128mem">;
224 //def i256mem : X86MemOperand<"printi256mem">;
225 def f32mem : X86MemOperand<"printf32mem">;
226 def f64mem : X86MemOperand<"printf64mem">;
227 def f80mem : X86MemOperand<"printf80mem">;
228 def f128mem : X86MemOperand<"printf128mem">;
229 //def f256mem : X86MemOperand<"printf256mem">;
231 // A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
232 // plain GR64, so that it doesn't potentially require a REX prefix.
233 def i8mem_NOREX : Operand<i64> {
234 let PrintMethod = "printi8mem";
235 let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_NOREX_NOSP, i32imm, i8imm);
236 let ParserMatchClass = X86MemAsmOperand;
239 // Special i32mem for addresses of load folding tail calls. These are not
240 // allowed to use callee-saved registers since they must be scheduled
241 // after callee-saved register are popped.
242 def i32mem_TC : Operand<i32> {
243 let PrintMethod = "printi32mem";
244 let MIOperandInfo = (ops GR32_TC, i8imm, GR32_TC, i32imm, i8imm);
245 let ParserMatchClass = X86MemAsmOperand;
248 def lea32mem : Operand<i32> {
249 let PrintMethod = "printlea32mem";
250 let MIOperandInfo = (ops GR32, i8imm, GR32_NOSP, i32imm);
251 let ParserMatchClass = X86NoSegMemAsmOperand;
254 let ParserMatchClass = X86AbsMemAsmOperand,
255 PrintMethod = "print_pcrel_imm" in {
256 def i32imm_pcrel : Operand<i32>;
258 def offset8 : Operand<i64>;
259 def offset16 : Operand<i64>;
260 def offset32 : Operand<i64>;
261 def offset64 : Operand<i64>;
263 // Branch targets have OtherVT type and print as pc-relative values.
264 def brtarget : Operand<OtherVT>;
265 def brtarget8 : Operand<OtherVT>;
269 def SSECC : Operand<i8> {
270 let PrintMethod = "printSSECC";
273 def ImmSExt8AsmOperand : AsmOperandClass {
274 let Name = "ImmSExt8";
275 let SuperClass = ImmAsmOperand;
278 // A couple of more descriptive operand definitions.
279 // 16-bits but only 8 bits are significant.
280 def i16i8imm : Operand<i16> {
281 let ParserMatchClass = ImmSExt8AsmOperand;
283 // 32-bits but only 8 bits are significant.
284 def i32i8imm : Operand<i32> {
285 let ParserMatchClass = ImmSExt8AsmOperand;
288 //===----------------------------------------------------------------------===//
289 // X86 Complex Pattern Definitions.
292 // Define X86 specific addressing mode.
293 def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], []>;
294 def lea32addr : ComplexPattern<i32, 4, "SelectLEAAddr",
295 [add, sub, mul, X86mul_imm, shl, or, frameindex],
297 def tls32addr : ComplexPattern<i32, 4, "SelectTLSADDRAddr",
298 [tglobaltlsaddr], []>;
300 //===----------------------------------------------------------------------===//
301 // X86 Instruction Predicate Definitions.
302 def HasCMov : Predicate<"Subtarget->hasCMov()">;
303 def NoCMov : Predicate<"!Subtarget->hasCMov()">;
304 def HasMMX : Predicate<"Subtarget->hasMMX()">;
305 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
306 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
307 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
308 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
309 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
310 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
311 def HasSSE4A : Predicate<"Subtarget->hasSSE4A()">;
312 def HasAVX : Predicate<"Subtarget->hasAVX()">;
313 def HasFMA3 : Predicate<"Subtarget->hasFMA3()">;
314 def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
315 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
316 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
317 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
318 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
319 def IsWin64 : Predicate<"Subtarget->isTargetWin64()">;
320 def NotWin64 : Predicate<"!Subtarget->isTargetWin64()">;
321 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
322 def KernelCode : Predicate<"TM.getCodeModel() == CodeModel::Kernel">;
323 def FarData : Predicate<"TM.getCodeModel() != CodeModel::Small &&"
324 "TM.getCodeModel() != CodeModel::Kernel">;
325 def NearData : Predicate<"TM.getCodeModel() == CodeModel::Small ||"
326 "TM.getCodeModel() == CodeModel::Kernel">;
327 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
328 def IsNotPIC : Predicate<"TM.getRelocationModel() != Reloc::PIC_">;
329 def OptForSize : Predicate<"OptForSize">;
330 def OptForSpeed : Predicate<"!OptForSize">;
331 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
332 def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
333 def HasAES : Predicate<"Subtarget->hasAES()">;
335 //===----------------------------------------------------------------------===//
336 // X86 Instruction Format Definitions.
339 include "X86InstrFormats.td"
341 //===----------------------------------------------------------------------===//
342 // Pattern fragments...
345 // X86 specific condition code. These correspond to CondCode in
346 // X86InstrInfo.h. They must be kept in synch.
347 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
348 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
349 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
350 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
351 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
352 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
353 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
354 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
355 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
356 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
357 def X86_COND_NO : PatLeaf<(i8 10)>;
358 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
359 def X86_COND_NS : PatLeaf<(i8 12)>;
360 def X86_COND_O : PatLeaf<(i8 13)>;
361 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
362 def X86_COND_S : PatLeaf<(i8 15)>;
364 def immSext8 : PatLeaf<(imm), [{
365 return N->getSExtValue() == (int8_t)N->getSExtValue();
368 def i16immSExt8 : PatLeaf<(i16 immSext8)>;
369 def i32immSExt8 : PatLeaf<(i32 immSext8)>;
371 /// Load patterns: these constraint the match to the right address space.
372 def dsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
373 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
374 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
375 if (PT->getAddressSpace() > 255)
380 def gsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
381 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
382 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
383 return PT->getAddressSpace() == 256;
387 def fsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
388 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
389 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
390 return PT->getAddressSpace() == 257;
395 // Helper fragments for loads.
396 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
397 // known to be 32-bit aligned or better. Ditto for i8 to i16.
398 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
399 LoadSDNode *LD = cast<LoadSDNode>(N);
400 if (const Value *Src = LD->getSrcValue())
401 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
402 if (PT->getAddressSpace() > 255)
404 ISD::LoadExtType ExtType = LD->getExtensionType();
405 if (ExtType == ISD::NON_EXTLOAD)
407 if (ExtType == ISD::EXTLOAD)
408 return LD->getAlignment() >= 2 && !LD->isVolatile();
412 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)),[{
413 LoadSDNode *LD = cast<LoadSDNode>(N);
414 if (const Value *Src = LD->getSrcValue())
415 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
416 if (PT->getAddressSpace() > 255)
418 ISD::LoadExtType ExtType = LD->getExtensionType();
419 if (ExtType == ISD::EXTLOAD)
420 return LD->getAlignment() >= 2 && !LD->isVolatile();
424 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
425 LoadSDNode *LD = cast<LoadSDNode>(N);
426 if (const Value *Src = LD->getSrcValue())
427 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
428 if (PT->getAddressSpace() > 255)
430 ISD::LoadExtType ExtType = LD->getExtensionType();
431 if (ExtType == ISD::NON_EXTLOAD)
433 if (ExtType == ISD::EXTLOAD)
434 return LD->getAlignment() >= 4 && !LD->isVolatile();
438 def loadi8 : PatFrag<(ops node:$ptr), (i8 (dsload node:$ptr))>;
439 def loadi64 : PatFrag<(ops node:$ptr), (i64 (dsload node:$ptr))>;
440 def loadf32 : PatFrag<(ops node:$ptr), (f32 (dsload node:$ptr))>;
441 def loadf64 : PatFrag<(ops node:$ptr), (f64 (dsload node:$ptr))>;
442 def loadf80 : PatFrag<(ops node:$ptr), (f80 (dsload node:$ptr))>;
444 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
445 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
446 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
448 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
449 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
450 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
451 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
452 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
453 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
455 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
456 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
457 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
458 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
459 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
460 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
463 // An 'and' node with a single use.
464 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
465 return N->hasOneUse();
467 // An 'srl' node with a single use.
468 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
469 return N->hasOneUse();
471 // An 'trunc' node with a single use.
472 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
473 return N->hasOneUse();
476 // Treat an 'or' node is as an 'add' if the or'ed bits are known to be zero.
477 def or_is_add : PatFrag<(ops node:$lhs, node:$rhs), (or node:$lhs, node:$rhs),[{
478 if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N->getOperand(1)))
479 return CurDAG->MaskedValueIsZero(N->getOperand(0), CN->getAPIntValue());
481 unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits();
482 APInt Mask = APInt::getAllOnesValue(BitWidth);
483 APInt KnownZero0, KnownOne0;
484 CurDAG->ComputeMaskedBits(N->getOperand(0), Mask, KnownZero0, KnownOne0, 0);
485 APInt KnownZero1, KnownOne1;
486 CurDAG->ComputeMaskedBits(N->getOperand(1), Mask, KnownZero1, KnownOne1, 0);
487 return (~KnownZero0 & ~KnownZero1) == 0;
490 //===----------------------------------------------------------------------===//
491 // Instruction list...
494 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
495 // a stack adjustment and the codegen must know that they may modify the stack
496 // pointer before prolog-epilog rewriting occurs.
497 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
498 // sub / add which can clobber EFLAGS.
499 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
500 def ADJCALLSTACKDOWN32 : I<0, Pseudo, (outs), (ins i32imm:$amt),
502 [(X86callseq_start timm:$amt)]>,
503 Requires<[In32BitMode]>;
504 def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
506 [(X86callseq_end timm:$amt1, timm:$amt2)]>,
507 Requires<[In32BitMode]>;
510 // x86-64 va_start lowering magic.
511 let usesCustomInserter = 1 in {
512 def VASTART_SAVE_XMM_REGS : I<0, Pseudo,
515 i64imm:$regsavefi, i64imm:$offset,
517 "#VASTART_SAVE_XMM_REGS $al, $regsavefi, $offset",
518 [(X86vastart_save_xmm_regs GR8:$al,
522 // Dynamic stack allocation yields _alloca call for Cygwin/Mingw targets. Calls
523 // to _alloca is needed to probe the stack when allocating more than 4k bytes in
524 // one go. Touching the stack at 4K increments is necessary to ensure that the
525 // guard pages used by the OS virtual memory manager are allocated in correct
527 // The main point of having separate instruction are extra unmodelled effects
528 // (compared to ordinary calls) like stack pointer change.
530 def MINGW_ALLOCA : I<0, Pseudo, (outs), (ins),
531 "# dynamic stack allocation",
536 let neverHasSideEffects = 1 in {
537 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
538 def NOOPW : I<0x1f, MRM0m, (outs), (ins i16mem:$zero),
539 "nop{w}\t$zero", []>, TB, OpSize;
540 def NOOPL : I<0x1f, MRM0m, (outs), (ins i32mem:$zero),
541 "nop{l}\t$zero", []>, TB;
545 def INT3 : I<0xcc, RawFrm, (outs), (ins), "int\t3", []>;
546 def INT : I<0xcd, RawFrm, (outs), (ins i8imm:$trap), "int\t$trap", []>;
547 def IRET16 : I<0xcf, RawFrm, (outs), (ins), "iret{w}", []>, OpSize;
548 def IRET32 : I<0xcf, RawFrm, (outs), (ins), "iret{l}", []>;
550 // PIC base construction. This expands to code that looks like this:
553 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
554 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins i32imm:$label),
557 //===----------------------------------------------------------------------===//
558 // Control Flow Instructions.
561 // Return instructions.
562 let isTerminator = 1, isReturn = 1, isBarrier = 1,
563 hasCtrlDep = 1, FPForm = SpecialFP in {
564 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
567 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
569 [(X86retflag timm:$amt)]>;
570 def LRET : I <0xCB, RawFrm, (outs), (ins),
572 def LRETI : Ii16<0xCA, RawFrm, (outs), (ins i16imm:$amt),
576 // Unconditional branches.
577 let isBarrier = 1, isBranch = 1, isTerminator = 1 in {
578 def JMP_4 : Ii32PCRel<0xE9, RawFrm, (outs), (ins brtarget:$dst),
579 "jmp\t$dst", [(br bb:$dst)]>;
580 def JMP_1 : Ii8PCRel<0xEB, RawFrm, (outs), (ins brtarget8:$dst),
584 // Conditional Branches.
585 let isBranch = 1, isTerminator = 1, Uses = [EFLAGS] in {
586 multiclass ICBr<bits<8> opc1, bits<8> opc4, string asm, PatFrag Cond> {
587 def _1 : Ii8PCRel <opc1, RawFrm, (outs), (ins brtarget8:$dst), asm, []>;
588 def _4 : Ii32PCRel<opc4, RawFrm, (outs), (ins brtarget:$dst), asm,
589 [(X86brcond bb:$dst, Cond, EFLAGS)]>, TB;
593 defm JO : ICBr<0x70, 0x80, "jo\t$dst" , X86_COND_O>;
594 defm JNO : ICBr<0x71, 0x81, "jno\t$dst" , X86_COND_NO>;
595 defm JB : ICBr<0x72, 0x82, "jb\t$dst" , X86_COND_B>;
596 defm JAE : ICBr<0x73, 0x83, "jae\t$dst", X86_COND_AE>;
597 defm JE : ICBr<0x74, 0x84, "je\t$dst" , X86_COND_E>;
598 defm JNE : ICBr<0x75, 0x85, "jne\t$dst", X86_COND_NE>;
599 defm JBE : ICBr<0x76, 0x86, "jbe\t$dst", X86_COND_BE>;
600 defm JA : ICBr<0x77, 0x87, "ja\t$dst" , X86_COND_A>;
601 defm JS : ICBr<0x78, 0x88, "js\t$dst" , X86_COND_S>;
602 defm JNS : ICBr<0x79, 0x89, "jns\t$dst", X86_COND_NS>;
603 defm JP : ICBr<0x7A, 0x8A, "jp\t$dst" , X86_COND_P>;
604 defm JNP : ICBr<0x7B, 0x8B, "jnp\t$dst", X86_COND_NP>;
605 defm JL : ICBr<0x7C, 0x8C, "jl\t$dst" , X86_COND_L>;
606 defm JGE : ICBr<0x7D, 0x8D, "jge\t$dst", X86_COND_GE>;
607 defm JLE : ICBr<0x7E, 0x8E, "jle\t$dst", X86_COND_LE>;
608 defm JG : ICBr<0x7F, 0x8F, "jg\t$dst" , X86_COND_G>;
610 // FIXME: What about the CX/RCX versions of this instruction?
611 let Uses = [ECX], isBranch = 1, isTerminator = 1 in
612 def JCXZ8 : Ii8PCRel<0xE3, RawFrm, (outs), (ins brtarget8:$dst),
617 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
618 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
619 [(brind GR32:$dst)]>;
620 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
621 [(brind (loadi32 addr:$dst))]>;
623 def FARJMP16i : Iseg16<0xEA, RawFrm, (outs),
624 (ins i16imm:$seg, i16imm:$off),
625 "ljmp{w}\t$seg, $off", []>, OpSize;
626 def FARJMP32i : Iseg32<0xEA, RawFrm, (outs),
627 (ins i16imm:$seg, i32imm:$off),
628 "ljmp{l}\t$seg, $off", []>;
630 def FARJMP16m : I<0xFF, MRM5m, (outs), (ins opaque32mem:$dst),
631 "ljmp{w}\t{*}$dst", []>, OpSize;
632 def FARJMP32m : I<0xFF, MRM5m, (outs), (ins opaque48mem:$dst),
633 "ljmp{l}\t{*}$dst", []>;
639 def LOOP : I<0xE2, RawFrm, (outs), (ins brtarget8:$dst), "loop\t$dst", []>;
640 def LOOPE : I<0xE1, RawFrm, (outs), (ins brtarget8:$dst), "loope\t$dst", []>;
641 def LOOPNE : I<0xE0, RawFrm, (outs), (ins brtarget8:$dst), "loopne\t$dst", []>;
643 //===----------------------------------------------------------------------===//
644 // Call Instructions...
647 // All calls clobber the non-callee saved registers. ESP is marked as
648 // a use to prevent stack-pointer assignments that appear immediately
649 // before calls from potentially appearing dead. Uses for argument
650 // registers are added manually.
651 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
652 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
653 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
654 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
656 def CALLpcrel32 : Ii32PCRel<0xE8, RawFrm,
657 (outs), (ins i32imm_pcrel:$dst,variable_ops),
659 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
660 "call\t{*}$dst", [(X86call GR32:$dst)]>;
661 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
662 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
664 def FARCALL16i : Iseg16<0x9A, RawFrm, (outs),
665 (ins i16imm:$seg, i16imm:$off),
666 "lcall{w}\t$seg, $off", []>, OpSize;
667 def FARCALL32i : Iseg32<0x9A, RawFrm, (outs),
668 (ins i16imm:$seg, i32imm:$off),
669 "lcall{l}\t$seg, $off", []>;
671 def FARCALL16m : I<0xFF, MRM3m, (outs), (ins opaque32mem:$dst),
672 "lcall{w}\t{*}$dst", []>, OpSize;
673 def FARCALL32m : I<0xFF, MRM3m, (outs), (ins opaque48mem:$dst),
674 "lcall{l}\t{*}$dst", []>;
677 // Constructing a stack frame.
679 def ENTER : I<0xC8, RawFrm, (outs), (ins i16imm:$len, i8imm:$lvl),
680 "enter\t$len, $lvl", []>;
684 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
685 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
686 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
687 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
688 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
690 def TCRETURNdi : I<0, Pseudo, (outs),
691 (ins i32imm_pcrel:$dst, i32imm:$offset, variable_ops),
692 "#TC_RETURN $dst $offset", []>;
693 def TCRETURNri : I<0, Pseudo, (outs),
694 (ins GR32_TC:$dst, i32imm:$offset, variable_ops),
695 "#TC_RETURN $dst $offset", []>;
696 def TCRETURNmi : I<0, Pseudo, (outs),
697 (ins i32mem_TC:$dst, i32imm:$offset, variable_ops),
698 "#TC_RETURN $dst $offset", []>;
700 // FIXME: The should be pseudo instructions that are lowered when going to
702 def TAILJMPd : Ii32PCRel<0xE9, RawFrm, (outs),
703 (ins i32imm_pcrel:$dst, variable_ops),
704 "jmp\t$dst # TAILCALL",
706 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32_TC:$dst, variable_ops),
707 "jmp{l}\t{*}$dst # TAILCALL",
709 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem_TC:$dst, variable_ops),
710 "jmp{l}\t{*}$dst # TAILCALL", []>;
713 //===----------------------------------------------------------------------===//
714 // Miscellaneous Instructions...
716 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
717 def LEAVE : I<0xC9, RawFrm,
718 (outs), (ins), "leave", []>;
720 def POPCNT16rr : I<0xB8, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
721 "popcnt{w}\t{$src, $dst|$dst, $src}", []>, OpSize, XS;
722 def POPCNT16rm : I<0xB8, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
723 "popcnt{w}\t{$src, $dst|$dst, $src}", []>, OpSize, XS;
724 def POPCNT32rr : I<0xB8, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
725 "popcnt{l}\t{$src, $dst|$dst, $src}", []>, XS;
726 def POPCNT32rm : I<0xB8, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
727 "popcnt{l}\t{$src, $dst|$dst, $src}", []>, XS;
729 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
731 def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
733 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
734 def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
736 def POP16rmm: I<0x8F, MRM0m, (outs i16mem:$dst), (ins), "pop{w}\t$dst", []>,
738 def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
739 def POP32rmm: I<0x8F, MRM0m, (outs i32mem:$dst), (ins), "pop{l}\t$dst", []>;
742 let mayStore = 1 in {
743 def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
745 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
746 def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
748 def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[]>,
750 def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
751 def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[]>;
755 let Defs = [ESP], Uses = [ESP], neverHasSideEffects = 1, mayStore = 1 in {
756 def PUSH32i8 : Ii8<0x6a, RawFrm, (outs), (ins i8imm:$imm),
757 "push{l}\t$imm", []>;
758 def PUSH32i16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
759 "push{l}\t$imm", []>;
760 def PUSH32i32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
761 "push{l}\t$imm", []>;
764 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in {
765 def POPF : I<0x9D, RawFrm, (outs), (ins), "popf{w}", []>, OpSize;
766 def POPFD : I<0x9D, RawFrm, (outs), (ins), "popf{l}", []>;
768 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in {
769 def PUSHF : I<0x9C, RawFrm, (outs), (ins), "pushf{w}", []>, OpSize;
770 def PUSHFD : I<0x9C, RawFrm, (outs), (ins), "pushf{l}", []>;
773 let isTwoAddress = 1 in // GR32 = bswap GR32
774 def BSWAP32r : I<0xC8, AddRegFrm,
775 (outs GR32:$dst), (ins GR32:$src),
777 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
780 // Bit scan instructions.
781 let Defs = [EFLAGS] in {
782 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
783 "bsf{w}\t{$src, $dst|$dst, $src}",
784 [(set GR16:$dst, EFLAGS, (X86bsf GR16:$src))]>, TB;
785 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
786 "bsf{w}\t{$src, $dst|$dst, $src}",
787 [(set GR16:$dst, EFLAGS, (X86bsf (loadi16 addr:$src)))]>, TB;
788 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
789 "bsf{l}\t{$src, $dst|$dst, $src}",
790 [(set GR32:$dst, EFLAGS, (X86bsf GR32:$src))]>, TB;
791 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
792 "bsf{l}\t{$src, $dst|$dst, $src}",
793 [(set GR32:$dst, EFLAGS, (X86bsf (loadi32 addr:$src)))]>, TB;
795 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
796 "bsr{w}\t{$src, $dst|$dst, $src}",
797 [(set GR16:$dst, EFLAGS, (X86bsr GR16:$src))]>, TB;
798 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
799 "bsr{w}\t{$src, $dst|$dst, $src}",
800 [(set GR16:$dst, EFLAGS, (X86bsr (loadi16 addr:$src)))]>, TB;
801 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
802 "bsr{l}\t{$src, $dst|$dst, $src}",
803 [(set GR32:$dst, EFLAGS, (X86bsr GR32:$src))]>, TB;
804 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
805 "bsr{l}\t{$src, $dst|$dst, $src}",
806 [(set GR32:$dst, EFLAGS, (X86bsr (loadi32 addr:$src)))]>, TB;
809 let neverHasSideEffects = 1 in
810 def LEA16r : I<0x8D, MRMSrcMem,
811 (outs GR16:$dst), (ins lea32mem:$src),
812 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
813 let isReMaterializable = 1 in
814 def LEA32r : I<0x8D, MRMSrcMem,
815 (outs GR32:$dst), (ins lea32mem:$src),
816 "lea{l}\t{$src|$dst}, {$dst|$src}",
817 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
819 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI], isCodeGenOnly = 1 in {
820 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
821 [(X86rep_movs i8)]>, REP;
822 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
823 [(X86rep_movs i16)]>, REP, OpSize;
824 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
825 [(X86rep_movs i32)]>, REP;
828 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
829 let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in {
830 def MOVSB : I<0xA4, RawFrm, (outs), (ins), "{movsb}", []>;
831 def MOVSW : I<0xA5, RawFrm, (outs), (ins), "{movsw}", []>, OpSize;
832 def MOVSD : I<0xA5, RawFrm, (outs), (ins), "{movsl|movsd}", []>;
835 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI], isCodeGenOnly = 1 in
836 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
837 [(X86rep_stos i8)]>, REP;
838 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI], isCodeGenOnly = 1 in
839 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
840 [(X86rep_stos i16)]>, REP, OpSize;
841 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI], isCodeGenOnly = 1 in
842 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
843 [(X86rep_stos i32)]>, REP;
845 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
846 let Defs = [EDI], Uses = [AL,EDI,EFLAGS] in
847 def STOSB : I<0xAA, RawFrm, (outs), (ins), "{stosb}", []>;
848 let Defs = [EDI], Uses = [AX,EDI,EFLAGS] in
849 def STOSW : I<0xAB, RawFrm, (outs), (ins), "{stosw}", []>, OpSize;
850 let Defs = [EDI], Uses = [EAX,EDI,EFLAGS] in
851 def STOSD : I<0xAB, RawFrm, (outs), (ins), "{stosl|stosd}", []>;
853 def SCAS8 : I<0xAE, RawFrm, (outs), (ins), "scas{b}", []>;
854 def SCAS16 : I<0xAF, RawFrm, (outs), (ins), "scas{w}", []>, OpSize;
855 def SCAS32 : I<0xAF, RawFrm, (outs), (ins), "scas{l}", []>;
857 def CMPS8 : I<0xA6, RawFrm, (outs), (ins), "cmps{b}", []>;
858 def CMPS16 : I<0xA7, RawFrm, (outs), (ins), "cmps{w}", []>, OpSize;
859 def CMPS32 : I<0xA7, RawFrm, (outs), (ins), "cmps{l}", []>;
861 let Defs = [RAX, RDX] in
862 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
865 let Defs = [RAX, RCX, RDX] in
866 def RDTSCP : I<0x01, MRM_F9, (outs), (ins), "rdtscp", []>, TB;
868 let isBarrier = 1, hasCtrlDep = 1 in {
869 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
872 def SYSCALL : I<0x05, RawFrm,
873 (outs), (ins), "syscall", []>, TB;
874 def SYSRET : I<0x07, RawFrm,
875 (outs), (ins), "sysret", []>, TB;
876 def SYSENTER : I<0x34, RawFrm,
877 (outs), (ins), "sysenter", []>, TB;
878 def SYSEXIT : I<0x35, RawFrm,
879 (outs), (ins), "sysexit", []>, TB;
881 def WAIT : I<0x9B, RawFrm, (outs), (ins), "wait", []>;
884 //===----------------------------------------------------------------------===//
885 // Input/Output Instructions...
887 let Defs = [AL], Uses = [DX] in
888 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
889 "in{b}\t{%dx, %al|%AL, %DX}", []>;
890 let Defs = [AX], Uses = [DX] in
891 def IN16rr : I<0xED, RawFrm, (outs), (ins),
892 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
893 let Defs = [EAX], Uses = [DX] in
894 def IN32rr : I<0xED, RawFrm, (outs), (ins),
895 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
898 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i16i8imm:$port),
899 "in{b}\t{$port, %al|%AL, $port}", []>;
901 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
902 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
904 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
905 "in{l}\t{$port, %eax|%EAX, $port}", []>;
907 let Uses = [DX, AL] in
908 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
909 "out{b}\t{%al, %dx|%DX, %AL}", []>;
910 let Uses = [DX, AX] in
911 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
912 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
913 let Uses = [DX, EAX] in
914 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
915 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
918 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i16i8imm:$port),
919 "out{b}\t{%al, $port|$port, %AL}", []>;
921 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
922 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
924 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
925 "out{l}\t{%eax, $port|$port, %EAX}", []>;
927 def IN8 : I<0x6C, RawFrm, (outs), (ins),
929 def IN16 : I<0x6D, RawFrm, (outs), (ins),
930 "ins{w}", []>, OpSize;
931 def IN32 : I<0x6D, RawFrm, (outs), (ins),
934 //===----------------------------------------------------------------------===//
935 // Move Instructions...
937 let neverHasSideEffects = 1 in {
938 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
939 "mov{b}\t{$src, $dst|$dst, $src}", []>;
940 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
941 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
942 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
943 "mov{l}\t{$src, $dst|$dst, $src}", []>;
945 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
946 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
947 "mov{b}\t{$src, $dst|$dst, $src}",
948 [(set GR8:$dst, imm:$src)]>;
949 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
950 "mov{w}\t{$src, $dst|$dst, $src}",
951 [(set GR16:$dst, imm:$src)]>, OpSize;
952 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
953 "mov{l}\t{$src, $dst|$dst, $src}",
954 [(set GR32:$dst, imm:$src)]>;
957 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
958 "mov{b}\t{$src, $dst|$dst, $src}",
959 [(store (i8 imm:$src), addr:$dst)]>;
960 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
961 "mov{w}\t{$src, $dst|$dst, $src}",
962 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
963 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
964 "mov{l}\t{$src, $dst|$dst, $src}",
965 [(store (i32 imm:$src), addr:$dst)]>;
967 def MOV8o8a : Ii8 <0xA0, RawFrm, (outs), (ins offset8:$src),
968 "mov{b}\t{$src, %al|%al, $src}", []>;
969 def MOV16o16a : Ii16 <0xA1, RawFrm, (outs), (ins offset16:$src),
970 "mov{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
971 def MOV32o32a : Ii32 <0xA1, RawFrm, (outs), (ins offset32:$src),
972 "mov{l}\t{$src, %eax|%eax, $src}", []>;
974 def MOV8ao8 : Ii8 <0xA2, RawFrm, (outs offset8:$dst), (ins),
975 "mov{b}\t{%al, $dst|$dst, %al}", []>;
976 def MOV16ao16 : Ii16 <0xA3, RawFrm, (outs offset16:$dst), (ins),
977 "mov{w}\t{%ax, $dst|$dst, %ax}", []>, OpSize;
978 def MOV32ao32 : Ii32 <0xA3, RawFrm, (outs offset32:$dst), (ins),
979 "mov{l}\t{%eax, $dst|$dst, %eax}", []>;
981 // Moves to and from segment registers
982 def MOV16rs : I<0x8C, MRMDestReg, (outs GR16:$dst), (ins SEGMENT_REG:$src),
983 "mov{w}\t{$src, $dst|$dst, $src}", []>;
984 def MOV16ms : I<0x8C, MRMDestMem, (outs i16mem:$dst), (ins SEGMENT_REG:$src),
985 "mov{w}\t{$src, $dst|$dst, $src}", []>;
986 def MOV16sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR16:$src),
987 "mov{w}\t{$src, $dst|$dst, $src}", []>;
988 def MOV16sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i16mem:$src),
989 "mov{w}\t{$src, $dst|$dst, $src}", []>;
991 def MOV8rr_REV : I<0x8A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src),
992 "mov{b}\t{$src, $dst|$dst, $src}", []>;
993 def MOV16rr_REV : I<0x8B, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
994 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
995 def MOV32rr_REV : I<0x8B, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
996 "mov{l}\t{$src, $dst|$dst, $src}", []>;
998 let canFoldAsLoad = 1, isReMaterializable = 1 in {
999 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
1000 "mov{b}\t{$src, $dst|$dst, $src}",
1001 [(set GR8:$dst, (loadi8 addr:$src))]>;
1002 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1003 "mov{w}\t{$src, $dst|$dst, $src}",
1004 [(set GR16:$dst, (loadi16 addr:$src))]>, OpSize;
1005 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1006 "mov{l}\t{$src, $dst|$dst, $src}",
1007 [(set GR32:$dst, (loadi32 addr:$src))]>;
1010 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
1011 "mov{b}\t{$src, $dst|$dst, $src}",
1012 [(store GR8:$src, addr:$dst)]>;
1013 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1014 "mov{w}\t{$src, $dst|$dst, $src}",
1015 [(store GR16:$src, addr:$dst)]>, OpSize;
1016 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1017 "mov{l}\t{$src, $dst|$dst, $src}",
1018 [(store GR32:$src, addr:$dst)]>;
1020 /// Versions of MOV32rr, MOV32rm, and MOV32mr for i32mem_TC and GR32_TC.
1021 let neverHasSideEffects = 1 in
1022 def MOV32rr_TC : I<0x89, MRMDestReg, (outs GR32_TC:$dst), (ins GR32_TC:$src),
1023 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1026 canFoldAsLoad = 1, isReMaterializable = 1 in
1027 def MOV32rm_TC : I<0x8B, MRMSrcMem, (outs GR32_TC:$dst), (ins i32mem_TC:$src),
1028 "mov{l}\t{$src, $dst|$dst, $src}",
1032 def MOV32mr_TC : I<0x89, MRMDestMem, (outs), (ins i32mem_TC:$dst, GR32_TC:$src),
1033 "mov{l}\t{$src, $dst|$dst, $src}",
1036 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
1037 // that they can be used for copying and storing h registers, which can't be
1038 // encoded when a REX prefix is present.
1039 let neverHasSideEffects = 1 in
1040 def MOV8rr_NOREX : I<0x88, MRMDestReg,
1041 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
1042 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1044 def MOV8mr_NOREX : I<0x88, MRMDestMem,
1045 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
1046 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1048 canFoldAsLoad = 1, isReMaterializable = 1 in
1049 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
1050 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
1051 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1053 // Moves to and from debug registers
1054 def MOV32rd : I<0x21, MRMDestReg, (outs GR32:$dst), (ins DEBUG_REG:$src),
1055 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1056 def MOV32dr : I<0x23, MRMSrcReg, (outs DEBUG_REG:$dst), (ins GR32:$src),
1057 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1059 // Moves to and from control registers
1060 def MOV32rc : I<0x20, MRMDestReg, (outs GR32:$dst), (ins CONTROL_REG_32:$src),
1061 "mov{q}\t{$src, $dst|$dst, $src}", []>, TB;
1062 def MOV32cr : I<0x22, MRMSrcReg, (outs CONTROL_REG_32:$dst), (ins GR32:$src),
1063 "mov{q}\t{$src, $dst|$dst, $src}", []>, TB;
1065 //===----------------------------------------------------------------------===//
1066 // Fixed-Register Multiplication and Division Instructions...
1069 // Extra precision multiplication
1071 // AL is really implied by AX, by the registers in Defs must match the
1072 // SDNode results (i8, i32).
1073 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1074 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
1075 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1076 // This probably ought to be moved to a def : Pat<> if the
1077 // syntax can be accepted.
1078 [(set AL, (mul AL, GR8:$src)),
1079 (implicit EFLAGS)]>; // AL,AH = AL*GR8
1081 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
1082 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
1084 []>, OpSize; // AX,DX = AX*GR16
1086 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
1087 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
1089 []>; // EAX,EDX = EAX*GR32
1091 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1092 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
1094 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1095 // This probably ought to be moved to a def : Pat<> if the
1096 // syntax can be accepted.
1097 [(set AL, (mul AL, (loadi8 addr:$src))),
1098 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
1100 let mayLoad = 1, neverHasSideEffects = 1 in {
1101 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1102 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
1104 []>, OpSize; // AX,DX = AX*[mem16]
1106 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1107 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
1109 []>; // EAX,EDX = EAX*[mem32]
1112 let neverHasSideEffects = 1 in {
1113 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1114 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
1116 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1117 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
1118 OpSize; // AX,DX = AX*GR16
1119 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1120 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
1121 // EAX,EDX = EAX*GR32
1122 let mayLoad = 1 in {
1123 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1124 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
1125 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
1126 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1127 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
1128 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
1129 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1130 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
1131 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
1133 } // neverHasSideEffects
1135 // unsigned division/remainder
1136 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1137 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1138 "div{b}\t$src", []>;
1139 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1140 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1141 "div{w}\t$src", []>, OpSize;
1142 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1143 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1144 "div{l}\t$src", []>;
1145 let mayLoad = 1 in {
1146 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1147 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1148 "div{b}\t$src", []>;
1149 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1150 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1151 "div{w}\t$src", []>, OpSize;
1152 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1153 // EDX:EAX/[mem32] = EAX,EDX
1154 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src),
1155 "div{l}\t$src", []>;
1158 // Signed division/remainder.
1159 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1160 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1161 "idiv{b}\t$src", []>;
1162 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1163 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1164 "idiv{w}\t$src", []>, OpSize;
1165 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1166 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1167 "idiv{l}\t$src", []>;
1168 let mayLoad = 1, mayLoad = 1 in {
1169 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1170 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1171 "idiv{b}\t$src", []>;
1172 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1173 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1174 "idiv{w}\t$src", []>, OpSize;
1175 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1176 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src),
1177 // EDX:EAX/[mem32] = EAX,EDX
1178 "idiv{l}\t$src", []>;
1181 //===----------------------------------------------------------------------===//
1182 // Two address Instructions.
1184 let isTwoAddress = 1 in {
1186 // Conditional moves
1187 let Uses = [EFLAGS] in {
1189 let Predicates = [HasCMov] in {
1190 let isCommutable = 1 in {
1191 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
1192 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1193 "cmovb{w}\t{$src2, $dst|$dst, $src2}",
1194 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1195 X86_COND_B, EFLAGS))]>,
1197 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
1198 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1199 "cmovb{l}\t{$src2, $dst|$dst, $src2}",
1200 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1201 X86_COND_B, EFLAGS))]>,
1203 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
1204 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1205 "cmovae{w}\t{$src2, $dst|$dst, $src2}",
1206 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1207 X86_COND_AE, EFLAGS))]>,
1209 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
1210 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1211 "cmovae{l}\t{$src2, $dst|$dst, $src2}",
1212 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1213 X86_COND_AE, EFLAGS))]>,
1215 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
1216 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1217 "cmove{w}\t{$src2, $dst|$dst, $src2}",
1218 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1219 X86_COND_E, EFLAGS))]>,
1221 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
1222 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1223 "cmove{l}\t{$src2, $dst|$dst, $src2}",
1224 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1225 X86_COND_E, EFLAGS))]>,
1227 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
1228 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1229 "cmovne{w}\t{$src2, $dst|$dst, $src2}",
1230 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1231 X86_COND_NE, EFLAGS))]>,
1233 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
1234 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1235 "cmovne{l}\t{$src2, $dst|$dst, $src2}",
1236 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1237 X86_COND_NE, EFLAGS))]>,
1239 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
1240 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1241 "cmovbe{w}\t{$src2, $dst|$dst, $src2}",
1242 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1243 X86_COND_BE, EFLAGS))]>,
1245 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
1246 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1247 "cmovbe{l}\t{$src2, $dst|$dst, $src2}",
1248 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1249 X86_COND_BE, EFLAGS))]>,
1251 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
1252 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1253 "cmova{w}\t{$src2, $dst|$dst, $src2}",
1254 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1255 X86_COND_A, EFLAGS))]>,
1257 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
1258 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1259 "cmova{l}\t{$src2, $dst|$dst, $src2}",
1260 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1261 X86_COND_A, EFLAGS))]>,
1263 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
1264 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1265 "cmovl{w}\t{$src2, $dst|$dst, $src2}",
1266 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1267 X86_COND_L, EFLAGS))]>,
1269 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
1270 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1271 "cmovl{l}\t{$src2, $dst|$dst, $src2}",
1272 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1273 X86_COND_L, EFLAGS))]>,
1275 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
1276 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1277 "cmovge{w}\t{$src2, $dst|$dst, $src2}",
1278 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1279 X86_COND_GE, EFLAGS))]>,
1281 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
1282 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1283 "cmovge{l}\t{$src2, $dst|$dst, $src2}",
1284 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1285 X86_COND_GE, EFLAGS))]>,
1287 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
1288 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1289 "cmovle{w}\t{$src2, $dst|$dst, $src2}",
1290 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1291 X86_COND_LE, EFLAGS))]>,
1293 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
1294 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1295 "cmovle{l}\t{$src2, $dst|$dst, $src2}",
1296 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1297 X86_COND_LE, EFLAGS))]>,
1299 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
1300 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1301 "cmovg{w}\t{$src2, $dst|$dst, $src2}",
1302 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1303 X86_COND_G, EFLAGS))]>,
1305 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
1306 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1307 "cmovg{l}\t{$src2, $dst|$dst, $src2}",
1308 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1309 X86_COND_G, EFLAGS))]>,
1311 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
1312 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1313 "cmovs{w}\t{$src2, $dst|$dst, $src2}",
1314 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1315 X86_COND_S, EFLAGS))]>,
1317 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
1318 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1319 "cmovs{l}\t{$src2, $dst|$dst, $src2}",
1320 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1321 X86_COND_S, EFLAGS))]>,
1323 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
1324 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1325 "cmovns{w}\t{$src2, $dst|$dst, $src2}",
1326 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1327 X86_COND_NS, EFLAGS))]>,
1329 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1330 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1331 "cmovns{l}\t{$src2, $dst|$dst, $src2}",
1332 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1333 X86_COND_NS, EFLAGS))]>,
1335 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1336 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1337 "cmovp{w}\t{$src2, $dst|$dst, $src2}",
1338 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1339 X86_COND_P, EFLAGS))]>,
1341 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1342 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1343 "cmovp{l}\t{$src2, $dst|$dst, $src2}",
1344 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1345 X86_COND_P, EFLAGS))]>,
1347 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1348 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1349 "cmovnp{w}\t{$src2, $dst|$dst, $src2}",
1350 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1351 X86_COND_NP, EFLAGS))]>,
1353 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1354 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1355 "cmovnp{l}\t{$src2, $dst|$dst, $src2}",
1356 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1357 X86_COND_NP, EFLAGS))]>,
1359 def CMOVO16rr : I<0x40, MRMSrcReg, // if overflow, GR16 = GR16
1360 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1361 "cmovo{w}\t{$src2, $dst|$dst, $src2}",
1362 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1363 X86_COND_O, EFLAGS))]>,
1365 def CMOVO32rr : I<0x40, MRMSrcReg, // if overflow, GR32 = GR32
1366 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1367 "cmovo{l}\t{$src2, $dst|$dst, $src2}",
1368 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1369 X86_COND_O, EFLAGS))]>,
1371 def CMOVNO16rr : I<0x41, MRMSrcReg, // if !overflow, GR16 = GR16
1372 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1373 "cmovno{w}\t{$src2, $dst|$dst, $src2}",
1374 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1375 X86_COND_NO, EFLAGS))]>,
1377 def CMOVNO32rr : I<0x41, MRMSrcReg, // if !overflow, GR32 = GR32
1378 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1379 "cmovno{l}\t{$src2, $dst|$dst, $src2}",
1380 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1381 X86_COND_NO, EFLAGS))]>,
1383 } // isCommutable = 1
1385 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1386 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1387 "cmovb{w}\t{$src2, $dst|$dst, $src2}",
1388 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1389 X86_COND_B, EFLAGS))]>,
1391 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1392 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1393 "cmovb{l}\t{$src2, $dst|$dst, $src2}",
1394 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1395 X86_COND_B, EFLAGS))]>,
1397 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1398 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1399 "cmovae{w}\t{$src2, $dst|$dst, $src2}",
1400 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1401 X86_COND_AE, EFLAGS))]>,
1403 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1404 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1405 "cmovae{l}\t{$src2, $dst|$dst, $src2}",
1406 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1407 X86_COND_AE, EFLAGS))]>,
1409 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1410 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1411 "cmove{w}\t{$src2, $dst|$dst, $src2}",
1412 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1413 X86_COND_E, EFLAGS))]>,
1415 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1416 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1417 "cmove{l}\t{$src2, $dst|$dst, $src2}",
1418 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1419 X86_COND_E, EFLAGS))]>,
1421 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1422 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1423 "cmovne{w}\t{$src2, $dst|$dst, $src2}",
1424 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1425 X86_COND_NE, EFLAGS))]>,
1427 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1428 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1429 "cmovne{l}\t{$src2, $dst|$dst, $src2}",
1430 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1431 X86_COND_NE, EFLAGS))]>,
1433 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1434 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1435 "cmovbe{w}\t{$src2, $dst|$dst, $src2}",
1436 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1437 X86_COND_BE, EFLAGS))]>,
1439 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1440 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1441 "cmovbe{l}\t{$src2, $dst|$dst, $src2}",
1442 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1443 X86_COND_BE, EFLAGS))]>,
1445 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1446 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1447 "cmova{w}\t{$src2, $dst|$dst, $src2}",
1448 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1449 X86_COND_A, EFLAGS))]>,
1451 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1452 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1453 "cmova{l}\t{$src2, $dst|$dst, $src2}",
1454 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1455 X86_COND_A, EFLAGS))]>,
1457 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1458 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1459 "cmovl{w}\t{$src2, $dst|$dst, $src2}",
1460 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1461 X86_COND_L, EFLAGS))]>,
1463 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1464 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1465 "cmovl{l}\t{$src2, $dst|$dst, $src2}",
1466 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1467 X86_COND_L, EFLAGS))]>,
1469 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1470 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1471 "cmovge{w}\t{$src2, $dst|$dst, $src2}",
1472 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1473 X86_COND_GE, EFLAGS))]>,
1475 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1476 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1477 "cmovge{l}\t{$src2, $dst|$dst, $src2}",
1478 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1479 X86_COND_GE, EFLAGS))]>,
1481 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1482 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1483 "cmovle{w}\t{$src2, $dst|$dst, $src2}",
1484 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1485 X86_COND_LE, EFLAGS))]>,
1487 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1488 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1489 "cmovle{l}\t{$src2, $dst|$dst, $src2}",
1490 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1491 X86_COND_LE, EFLAGS))]>,
1493 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1494 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1495 "cmovg{w}\t{$src2, $dst|$dst, $src2}",
1496 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1497 X86_COND_G, EFLAGS))]>,
1499 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1500 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1501 "cmovg{l}\t{$src2, $dst|$dst, $src2}",
1502 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1503 X86_COND_G, EFLAGS))]>,
1505 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1506 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1507 "cmovs{w}\t{$src2, $dst|$dst, $src2}",
1508 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1509 X86_COND_S, EFLAGS))]>,
1511 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1512 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1513 "cmovs{l}\t{$src2, $dst|$dst, $src2}",
1514 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1515 X86_COND_S, EFLAGS))]>,
1517 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1518 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1519 "cmovns{w}\t{$src2, $dst|$dst, $src2}",
1520 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1521 X86_COND_NS, EFLAGS))]>,
1523 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1524 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1525 "cmovns{l}\t{$src2, $dst|$dst, $src2}",
1526 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1527 X86_COND_NS, EFLAGS))]>,
1529 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1530 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1531 "cmovp{w}\t{$src2, $dst|$dst, $src2}",
1532 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1533 X86_COND_P, EFLAGS))]>,
1535 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1536 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1537 "cmovp{l}\t{$src2, $dst|$dst, $src2}",
1538 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1539 X86_COND_P, EFLAGS))]>,
1541 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1542 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1543 "cmovnp{w}\t{$src2, $dst|$dst, $src2}",
1544 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1545 X86_COND_NP, EFLAGS))]>,
1547 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1548 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1549 "cmovnp{l}\t{$src2, $dst|$dst, $src2}",
1550 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1551 X86_COND_NP, EFLAGS))]>,
1553 def CMOVO16rm : I<0x40, MRMSrcMem, // if overflow, GR16 = [mem16]
1554 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1555 "cmovo{w}\t{$src2, $dst|$dst, $src2}",
1556 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1557 X86_COND_O, EFLAGS))]>,
1559 def CMOVO32rm : I<0x40, MRMSrcMem, // if overflow, GR32 = [mem32]
1560 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1561 "cmovo{l}\t{$src2, $dst|$dst, $src2}",
1562 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1563 X86_COND_O, EFLAGS))]>,
1565 def CMOVNO16rm : I<0x41, MRMSrcMem, // if !overflow, GR16 = [mem16]
1566 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1567 "cmovno{w}\t{$src2, $dst|$dst, $src2}",
1568 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1569 X86_COND_NO, EFLAGS))]>,
1571 def CMOVNO32rm : I<0x41, MRMSrcMem, // if !overflow, GR32 = [mem32]
1572 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1573 "cmovno{l}\t{$src2, $dst|$dst, $src2}",
1574 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1575 X86_COND_NO, EFLAGS))]>,
1577 } // Predicates = [HasCMov]
1579 // X86 doesn't have 8-bit conditional moves. Use a customInserter to
1580 // emit control flow. An alternative to this is to mark i8 SELECT as Promote,
1581 // however that requires promoting the operands, and can induce additional
1582 // i8 register pressure. Note that CMOV_GR8 is conservatively considered to
1583 // clobber EFLAGS, because if one of the operands is zero, the expansion
1584 // could involve an xor.
1585 let usesCustomInserter = 1, isTwoAddress = 0, Defs = [EFLAGS] in {
1586 def CMOV_GR8 : I<0, Pseudo,
1587 (outs GR8:$dst), (ins GR8:$src1, GR8:$src2, i8imm:$cond),
1588 "#CMOV_GR8 PSEUDO!",
1589 [(set GR8:$dst, (X86cmov GR8:$src1, GR8:$src2,
1590 imm:$cond, EFLAGS))]>;
1592 let Predicates = [NoCMov] in {
1593 def CMOV_GR32 : I<0, Pseudo,
1594 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$cond),
1595 "#CMOV_GR32* PSEUDO!",
1597 (X86cmov GR32:$src1, GR32:$src2, imm:$cond, EFLAGS))]>;
1598 def CMOV_GR16 : I<0, Pseudo,
1599 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$cond),
1600 "#CMOV_GR16* PSEUDO!",
1602 (X86cmov GR16:$src1, GR16:$src2, imm:$cond, EFLAGS))]>;
1603 def CMOV_RFP32 : I<0, Pseudo,
1604 (outs RFP32:$dst), (ins RFP32:$src1, RFP32:$src2, i8imm:$cond),
1605 "#CMOV_RFP32 PSEUDO!",
1606 [(set RFP32:$dst, (X86cmov RFP32:$src1, RFP32:$src2, imm:$cond,
1608 def CMOV_RFP64 : I<0, Pseudo,
1609 (outs RFP64:$dst), (ins RFP64:$src1, RFP64:$src2, i8imm:$cond),
1610 "#CMOV_RFP64 PSEUDO!",
1611 [(set RFP64:$dst, (X86cmov RFP64:$src1, RFP64:$src2, imm:$cond,
1613 def CMOV_RFP80 : I<0, Pseudo,
1614 (outs RFP80:$dst), (ins RFP80:$src1, RFP80:$src2, i8imm:$cond),
1615 "#CMOV_RFP80 PSEUDO!",
1616 [(set RFP80:$dst, (X86cmov RFP80:$src1, RFP80:$src2, imm:$cond,
1618 } // Predicates = [NoCMov]
1619 } // UsesCustomInserter = 1, isTwoAddress = 0, Defs = [EFLAGS]
1620 } // Uses = [EFLAGS]
1623 // unary instructions
1624 let CodeSize = 2 in {
1625 let Defs = [EFLAGS] in {
1626 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src), "neg{b}\t$dst",
1627 [(set GR8:$dst, (ineg GR8:$src)),
1628 (implicit EFLAGS)]>;
1629 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src), "neg{w}\t$dst",
1630 [(set GR16:$dst, (ineg GR16:$src)),
1631 (implicit EFLAGS)]>, OpSize;
1632 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src), "neg{l}\t$dst",
1633 [(set GR32:$dst, (ineg GR32:$src)),
1634 (implicit EFLAGS)]>;
1635 let isTwoAddress = 0 in {
1636 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), "neg{b}\t$dst",
1637 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
1638 (implicit EFLAGS)]>;
1639 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), "neg{w}\t$dst",
1640 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
1641 (implicit EFLAGS)]>, OpSize;
1642 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), "neg{l}\t$dst",
1643 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
1644 (implicit EFLAGS)]>;
1646 } // Defs = [EFLAGS]
1648 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
1649 let AddedComplexity = 15 in {
1650 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src), "not{b}\t$dst",
1651 [(set GR8:$dst, (not GR8:$src))]>;
1652 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src), "not{w}\t$dst",
1653 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1654 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src), "not{l}\t$dst",
1655 [(set GR32:$dst, (not GR32:$src))]>;
1657 let isTwoAddress = 0 in {
1658 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), "not{b}\t$dst",
1659 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1660 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), "not{w}\t$dst",
1661 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1662 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), "not{l}\t$dst",
1663 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1667 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1668 let Defs = [EFLAGS] in {
1670 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
1671 [(set GR8:$dst, EFLAGS, (X86inc_flag GR8:$src))]>;
1673 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1674 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src),
1676 [(set GR16:$dst, EFLAGS, (X86inc_flag GR16:$src))]>,
1677 OpSize, Requires<[In32BitMode]>;
1678 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src),
1680 [(set GR32:$dst, EFLAGS, (X86inc_flag GR32:$src))]>,
1681 Requires<[In32BitMode]>;
1683 let isTwoAddress = 0, CodeSize = 2 in {
1684 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1685 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
1686 (implicit EFLAGS)]>;
1687 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1688 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
1689 (implicit EFLAGS)]>,
1690 OpSize, Requires<[In32BitMode]>;
1691 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1692 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
1693 (implicit EFLAGS)]>,
1694 Requires<[In32BitMode]>;
1698 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src), "dec{b}\t$dst",
1699 [(set GR8:$dst, EFLAGS, (X86dec_flag GR8:$src))]>;
1700 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1701 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src),
1703 [(set GR16:$dst, EFLAGS, (X86dec_flag GR16:$src))]>,
1704 OpSize, Requires<[In32BitMode]>;
1705 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src),
1707 [(set GR32:$dst, EFLAGS, (X86dec_flag GR32:$src))]>,
1708 Requires<[In32BitMode]>;
1711 let isTwoAddress = 0, CodeSize = 2 in {
1712 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1713 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
1714 (implicit EFLAGS)]>;
1715 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1716 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
1717 (implicit EFLAGS)]>,
1718 OpSize, Requires<[In32BitMode]>;
1719 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1720 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
1721 (implicit EFLAGS)]>,
1722 Requires<[In32BitMode]>;
1724 } // Defs = [EFLAGS]
1726 // Logical operators...
1727 let Defs = [EFLAGS] in {
1728 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1729 def AND8rr : I<0x20, MRMDestReg,
1730 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1731 "and{b}\t{$src2, $dst|$dst, $src2}",
1732 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1, GR8:$src2))]>;
1733 def AND16rr : I<0x21, MRMDestReg,
1734 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1735 "and{w}\t{$src2, $dst|$dst, $src2}",
1736 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1737 GR16:$src2))]>, OpSize;
1738 def AND32rr : I<0x21, MRMDestReg,
1739 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1740 "and{l}\t{$src2, $dst|$dst, $src2}",
1741 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1745 // AND instructions with the destination register in REG and the source register
1746 // in R/M. Included for the disassembler.
1747 def AND8rr_REV : I<0x22, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1748 "and{b}\t{$src2, $dst|$dst, $src2}", []>;
1749 def AND16rr_REV : I<0x23, MRMSrcReg, (outs GR16:$dst),
1750 (ins GR16:$src1, GR16:$src2),
1751 "and{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1752 def AND32rr_REV : I<0x23, MRMSrcReg, (outs GR32:$dst),
1753 (ins GR32:$src1, GR32:$src2),
1754 "and{l}\t{$src2, $dst|$dst, $src2}", []>;
1756 def AND8rm : I<0x22, MRMSrcMem,
1757 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1758 "and{b}\t{$src2, $dst|$dst, $src2}",
1759 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1,
1760 (loadi8 addr:$src2)))]>;
1761 def AND16rm : I<0x23, MRMSrcMem,
1762 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1763 "and{w}\t{$src2, $dst|$dst, $src2}",
1764 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1765 (loadi16 addr:$src2)))]>,
1767 def AND32rm : I<0x23, MRMSrcMem,
1768 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1769 "and{l}\t{$src2, $dst|$dst, $src2}",
1770 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1771 (loadi32 addr:$src2)))]>;
1773 def AND8ri : Ii8<0x80, MRM4r,
1774 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1775 "and{b}\t{$src2, $dst|$dst, $src2}",
1776 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1,
1778 def AND16ri : Ii16<0x81, MRM4r,
1779 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1780 "and{w}\t{$src2, $dst|$dst, $src2}",
1781 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1782 imm:$src2))]>, OpSize;
1783 def AND32ri : Ii32<0x81, MRM4r,
1784 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1785 "and{l}\t{$src2, $dst|$dst, $src2}",
1786 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1788 def AND16ri8 : Ii8<0x83, MRM4r,
1789 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1790 "and{w}\t{$src2, $dst|$dst, $src2}",
1791 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1792 i16immSExt8:$src2))]>,
1794 def AND32ri8 : Ii8<0x83, MRM4r,
1795 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1796 "and{l}\t{$src2, $dst|$dst, $src2}",
1797 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1798 i32immSExt8:$src2))]>;
1800 let isTwoAddress = 0 in {
1801 def AND8mr : I<0x20, MRMDestMem,
1802 (outs), (ins i8mem :$dst, GR8 :$src),
1803 "and{b}\t{$src, $dst|$dst, $src}",
1804 [(store (and (load addr:$dst), GR8:$src), addr:$dst),
1805 (implicit EFLAGS)]>;
1806 def AND16mr : I<0x21, MRMDestMem,
1807 (outs), (ins i16mem:$dst, GR16:$src),
1808 "and{w}\t{$src, $dst|$dst, $src}",
1809 [(store (and (load addr:$dst), GR16:$src), addr:$dst),
1810 (implicit EFLAGS)]>,
1812 def AND32mr : I<0x21, MRMDestMem,
1813 (outs), (ins i32mem:$dst, GR32:$src),
1814 "and{l}\t{$src, $dst|$dst, $src}",
1815 [(store (and (load addr:$dst), GR32:$src), addr:$dst),
1816 (implicit EFLAGS)]>;
1817 def AND8mi : Ii8<0x80, MRM4m,
1818 (outs), (ins i8mem :$dst, i8imm :$src),
1819 "and{b}\t{$src, $dst|$dst, $src}",
1820 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
1821 (implicit EFLAGS)]>;
1822 def AND16mi : Ii16<0x81, MRM4m,
1823 (outs), (ins i16mem:$dst, i16imm:$src),
1824 "and{w}\t{$src, $dst|$dst, $src}",
1825 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
1826 (implicit EFLAGS)]>,
1828 def AND32mi : Ii32<0x81, MRM4m,
1829 (outs), (ins i32mem:$dst, i32imm:$src),
1830 "and{l}\t{$src, $dst|$dst, $src}",
1831 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
1832 (implicit EFLAGS)]>;
1833 def AND16mi8 : Ii8<0x83, MRM4m,
1834 (outs), (ins i16mem:$dst, i16i8imm :$src),
1835 "and{w}\t{$src, $dst|$dst, $src}",
1836 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
1837 (implicit EFLAGS)]>,
1839 def AND32mi8 : Ii8<0x83, MRM4m,
1840 (outs), (ins i32mem:$dst, i32i8imm :$src),
1841 "and{l}\t{$src, $dst|$dst, $src}",
1842 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
1843 (implicit EFLAGS)]>;
1845 def AND8i8 : Ii8<0x24, RawFrm, (outs), (ins i8imm:$src),
1846 "and{b}\t{$src, %al|%al, $src}", []>;
1847 def AND16i16 : Ii16<0x25, RawFrm, (outs), (ins i16imm:$src),
1848 "and{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1849 def AND32i32 : Ii32<0x25, RawFrm, (outs), (ins i32imm:$src),
1850 "and{l}\t{$src, %eax|%eax, $src}", []>;
1855 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1856 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst),
1857 (ins GR8 :$src1, GR8 :$src2),
1858 "or{b}\t{$src2, $dst|$dst, $src2}",
1859 [(set GR8:$dst, EFLAGS, (X86or_flag GR8:$src1, GR8:$src2))]>;
1860 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst),
1861 (ins GR16:$src1, GR16:$src2),
1862 "or{w}\t{$src2, $dst|$dst, $src2}",
1863 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,GR16:$src2))]>,
1865 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst),
1866 (ins GR32:$src1, GR32:$src2),
1867 "or{l}\t{$src2, $dst|$dst, $src2}",
1868 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,GR32:$src2))]>;
1871 // OR instructions with the destination register in REG and the source register
1872 // in R/M. Included for the disassembler.
1873 def OR8rr_REV : I<0x0A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1874 "or{b}\t{$src2, $dst|$dst, $src2}", []>;
1875 def OR16rr_REV : I<0x0B, MRMSrcReg, (outs GR16:$dst),
1876 (ins GR16:$src1, GR16:$src2),
1877 "or{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1878 def OR32rr_REV : I<0x0B, MRMSrcReg, (outs GR32:$dst),
1879 (ins GR32:$src1, GR32:$src2),
1880 "or{l}\t{$src2, $dst|$dst, $src2}", []>;
1882 def OR8rm : I<0x0A, MRMSrcMem, (outs GR8 :$dst),
1883 (ins GR8 :$src1, i8mem :$src2),
1884 "or{b}\t{$src2, $dst|$dst, $src2}",
1885 [(set GR8:$dst, EFLAGS, (X86or_flag GR8:$src1,
1886 (load addr:$src2)))]>;
1887 def OR16rm : I<0x0B, MRMSrcMem, (outs GR16:$dst),
1888 (ins GR16:$src1, i16mem:$src2),
1889 "or{w}\t{$src2, $dst|$dst, $src2}",
1890 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
1891 (load addr:$src2)))]>,
1893 def OR32rm : I<0x0B, MRMSrcMem, (outs GR32:$dst),
1894 (ins GR32:$src1, i32mem:$src2),
1895 "or{l}\t{$src2, $dst|$dst, $src2}",
1896 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
1897 (load addr:$src2)))]>;
1899 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst),
1900 (ins GR8 :$src1, i8imm:$src2),
1901 "or{b}\t{$src2, $dst|$dst, $src2}",
1902 [(set GR8:$dst,EFLAGS, (X86or_flag GR8:$src1, imm:$src2))]>;
1903 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst),
1904 (ins GR16:$src1, i16imm:$src2),
1905 "or{w}\t{$src2, $dst|$dst, $src2}",
1906 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
1907 imm:$src2))]>, OpSize;
1908 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst),
1909 (ins GR32:$src1, i32imm:$src2),
1910 "or{l}\t{$src2, $dst|$dst, $src2}",
1911 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
1914 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst),
1915 (ins GR16:$src1, i16i8imm:$src2),
1916 "or{w}\t{$src2, $dst|$dst, $src2}",
1917 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
1918 i16immSExt8:$src2))]>, OpSize;
1919 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst),
1920 (ins GR32:$src1, i32i8imm:$src2),
1921 "or{l}\t{$src2, $dst|$dst, $src2}",
1922 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
1923 i32immSExt8:$src2))]>;
1924 let isTwoAddress = 0 in {
1925 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1926 "or{b}\t{$src, $dst|$dst, $src}",
1927 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
1928 (implicit EFLAGS)]>;
1929 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1930 "or{w}\t{$src, $dst|$dst, $src}",
1931 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
1932 (implicit EFLAGS)]>, OpSize;
1933 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1934 "or{l}\t{$src, $dst|$dst, $src}",
1935 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
1936 (implicit EFLAGS)]>;
1937 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1938 "or{b}\t{$src, $dst|$dst, $src}",
1939 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
1940 (implicit EFLAGS)]>;
1941 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
1942 "or{w}\t{$src, $dst|$dst, $src}",
1943 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
1944 (implicit EFLAGS)]>,
1946 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
1947 "or{l}\t{$src, $dst|$dst, $src}",
1948 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
1949 (implicit EFLAGS)]>;
1950 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
1951 "or{w}\t{$src, $dst|$dst, $src}",
1952 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
1953 (implicit EFLAGS)]>,
1955 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
1956 "or{l}\t{$src, $dst|$dst, $src}",
1957 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
1958 (implicit EFLAGS)]>;
1960 def OR8i8 : Ii8 <0x0C, RawFrm, (outs), (ins i8imm:$src),
1961 "or{b}\t{$src, %al|%al, $src}", []>;
1962 def OR16i16 : Ii16 <0x0D, RawFrm, (outs), (ins i16imm:$src),
1963 "or{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1964 def OR32i32 : Ii32 <0x0D, RawFrm, (outs), (ins i32imm:$src),
1965 "or{l}\t{$src, %eax|%eax, $src}", []>;
1966 } // isTwoAddress = 0
1969 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1970 def XOR8rr : I<0x30, MRMDestReg,
1971 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1972 "xor{b}\t{$src2, $dst|$dst, $src2}",
1973 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1,
1975 def XOR16rr : I<0x31, MRMDestReg,
1976 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1977 "xor{w}\t{$src2, $dst|$dst, $src2}",
1978 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
1979 GR16:$src2))]>, OpSize;
1980 def XOR32rr : I<0x31, MRMDestReg,
1981 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1982 "xor{l}\t{$src2, $dst|$dst, $src2}",
1983 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
1985 } // isCommutable = 1
1987 // XOR instructions with the destination register in REG and the source register
1988 // in R/M. Included for the disassembler.
1989 def XOR8rr_REV : I<0x32, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1990 "xor{b}\t{$src2, $dst|$dst, $src2}", []>;
1991 def XOR16rr_REV : I<0x33, MRMSrcReg, (outs GR16:$dst),
1992 (ins GR16:$src1, GR16:$src2),
1993 "xor{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1994 def XOR32rr_REV : I<0x33, MRMSrcReg, (outs GR32:$dst),
1995 (ins GR32:$src1, GR32:$src2),
1996 "xor{l}\t{$src2, $dst|$dst, $src2}", []>;
1998 def XOR8rm : I<0x32, MRMSrcMem,
1999 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
2000 "xor{b}\t{$src2, $dst|$dst, $src2}",
2001 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1,
2002 (load addr:$src2)))]>;
2003 def XOR16rm : I<0x33, MRMSrcMem,
2004 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
2005 "xor{w}\t{$src2, $dst|$dst, $src2}",
2006 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2007 (load addr:$src2)))]>,
2009 def XOR32rm : I<0x33, MRMSrcMem,
2010 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2011 "xor{l}\t{$src2, $dst|$dst, $src2}",
2012 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2013 (load addr:$src2)))]>;
2015 def XOR8ri : Ii8<0x80, MRM6r,
2016 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2017 "xor{b}\t{$src2, $dst|$dst, $src2}",
2018 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1, imm:$src2))]>;
2019 def XOR16ri : Ii16<0x81, MRM6r,
2020 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2021 "xor{w}\t{$src2, $dst|$dst, $src2}",
2022 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2023 imm:$src2))]>, OpSize;
2024 def XOR32ri : Ii32<0x81, MRM6r,
2025 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2026 "xor{l}\t{$src2, $dst|$dst, $src2}",
2027 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2029 def XOR16ri8 : Ii8<0x83, MRM6r,
2030 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2031 "xor{w}\t{$src2, $dst|$dst, $src2}",
2032 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2033 i16immSExt8:$src2))]>,
2035 def XOR32ri8 : Ii8<0x83, MRM6r,
2036 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2037 "xor{l}\t{$src2, $dst|$dst, $src2}",
2038 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2039 i32immSExt8:$src2))]>;
2041 let isTwoAddress = 0 in {
2042 def XOR8mr : I<0x30, MRMDestMem,
2043 (outs), (ins i8mem :$dst, GR8 :$src),
2044 "xor{b}\t{$src, $dst|$dst, $src}",
2045 [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
2046 (implicit EFLAGS)]>;
2047 def XOR16mr : I<0x31, MRMDestMem,
2048 (outs), (ins i16mem:$dst, GR16:$src),
2049 "xor{w}\t{$src, $dst|$dst, $src}",
2050 [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
2051 (implicit EFLAGS)]>,
2053 def XOR32mr : I<0x31, MRMDestMem,
2054 (outs), (ins i32mem:$dst, GR32:$src),
2055 "xor{l}\t{$src, $dst|$dst, $src}",
2056 [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
2057 (implicit EFLAGS)]>;
2058 def XOR8mi : Ii8<0x80, MRM6m,
2059 (outs), (ins i8mem :$dst, i8imm :$src),
2060 "xor{b}\t{$src, $dst|$dst, $src}",
2061 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
2062 (implicit EFLAGS)]>;
2063 def XOR16mi : Ii16<0x81, MRM6m,
2064 (outs), (ins i16mem:$dst, i16imm:$src),
2065 "xor{w}\t{$src, $dst|$dst, $src}",
2066 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
2067 (implicit EFLAGS)]>,
2069 def XOR32mi : Ii32<0x81, MRM6m,
2070 (outs), (ins i32mem:$dst, i32imm:$src),
2071 "xor{l}\t{$src, $dst|$dst, $src}",
2072 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
2073 (implicit EFLAGS)]>;
2074 def XOR16mi8 : Ii8<0x83, MRM6m,
2075 (outs), (ins i16mem:$dst, i16i8imm :$src),
2076 "xor{w}\t{$src, $dst|$dst, $src}",
2077 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
2078 (implicit EFLAGS)]>,
2080 def XOR32mi8 : Ii8<0x83, MRM6m,
2081 (outs), (ins i32mem:$dst, i32i8imm :$src),
2082 "xor{l}\t{$src, $dst|$dst, $src}",
2083 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
2084 (implicit EFLAGS)]>;
2086 def XOR8i8 : Ii8 <0x34, RawFrm, (outs), (ins i8imm:$src),
2087 "xor{b}\t{$src, %al|%al, $src}", []>;
2088 def XOR16i16 : Ii16<0x35, RawFrm, (outs), (ins i16imm:$src),
2089 "xor{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2090 def XOR32i32 : Ii32<0x35, RawFrm, (outs), (ins i32imm:$src),
2091 "xor{l}\t{$src, %eax|%eax, $src}", []>;
2092 } // isTwoAddress = 0
2093 } // Defs = [EFLAGS]
2095 // Shift instructions
2096 let Defs = [EFLAGS] in {
2097 let Uses = [CL] in {
2098 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src),
2099 "shl{b}\t{%cl, $dst|$dst, CL}",
2100 [(set GR8:$dst, (shl GR8:$src, CL))]>;
2101 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src),
2102 "shl{w}\t{%cl, $dst|$dst, CL}",
2103 [(set GR16:$dst, (shl GR16:$src, CL))]>, OpSize;
2104 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src),
2105 "shl{l}\t{%cl, $dst|$dst, CL}",
2106 [(set GR32:$dst, (shl GR32:$src, CL))]>;
2109 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2110 "shl{b}\t{$src2, $dst|$dst, $src2}",
2111 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
2112 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2113 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2114 "shl{w}\t{$src2, $dst|$dst, $src2}",
2115 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2116 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2117 "shl{l}\t{$src2, $dst|$dst, $src2}",
2118 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
2120 // NOTE: We don't include patterns for shifts of a register by one, because
2121 // 'add reg,reg' is cheaper.
2123 def SHL8r1 : I<0xD0, MRM4r, (outs GR8:$dst), (ins GR8:$src1),
2124 "shl{b}\t$dst", []>;
2125 def SHL16r1 : I<0xD1, MRM4r, (outs GR16:$dst), (ins GR16:$src1),
2126 "shl{w}\t$dst", []>, OpSize;
2127 def SHL32r1 : I<0xD1, MRM4r, (outs GR32:$dst), (ins GR32:$src1),
2128 "shl{l}\t$dst", []>;
2130 } // isConvertibleToThreeAddress = 1
2132 let isTwoAddress = 0 in {
2133 let Uses = [CL] in {
2134 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
2135 "shl{b}\t{%cl, $dst|$dst, CL}",
2136 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
2137 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
2138 "shl{w}\t{%cl, $dst|$dst, CL}",
2139 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2140 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
2141 "shl{l}\t{%cl, $dst|$dst, CL}",
2142 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
2144 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
2145 "shl{b}\t{$src, $dst|$dst, $src}",
2146 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2147 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
2148 "shl{w}\t{$src, $dst|$dst, $src}",
2149 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2151 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
2152 "shl{l}\t{$src, $dst|$dst, $src}",
2153 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2156 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
2158 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2159 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
2161 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2163 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
2165 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2168 let Uses = [CL] in {
2169 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src),
2170 "shr{b}\t{%cl, $dst|$dst, CL}",
2171 [(set GR8:$dst, (srl GR8:$src, CL))]>;
2172 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src),
2173 "shr{w}\t{%cl, $dst|$dst, CL}",
2174 [(set GR16:$dst, (srl GR16:$src, CL))]>, OpSize;
2175 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src),
2176 "shr{l}\t{%cl, $dst|$dst, CL}",
2177 [(set GR32:$dst, (srl GR32:$src, CL))]>;
2180 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2181 "shr{b}\t{$src2, $dst|$dst, $src2}",
2182 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
2183 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2184 "shr{w}\t{$src2, $dst|$dst, $src2}",
2185 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2186 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2187 "shr{l}\t{$src2, $dst|$dst, $src2}",
2188 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
2191 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
2193 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
2194 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
2196 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
2197 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
2199 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
2201 let isTwoAddress = 0 in {
2202 let Uses = [CL] in {
2203 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
2204 "shr{b}\t{%cl, $dst|$dst, CL}",
2205 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
2206 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
2207 "shr{w}\t{%cl, $dst|$dst, CL}",
2208 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
2210 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
2211 "shr{l}\t{%cl, $dst|$dst, CL}",
2212 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
2214 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
2215 "shr{b}\t{$src, $dst|$dst, $src}",
2216 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2217 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
2218 "shr{w}\t{$src, $dst|$dst, $src}",
2219 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2221 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
2222 "shr{l}\t{$src, $dst|$dst, $src}",
2223 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2226 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
2228 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2229 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
2231 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
2232 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
2234 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2237 let Uses = [CL] in {
2238 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src),
2239 "sar{b}\t{%cl, $dst|$dst, CL}",
2240 [(set GR8:$dst, (sra GR8:$src, CL))]>;
2241 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src),
2242 "sar{w}\t{%cl, $dst|$dst, CL}",
2243 [(set GR16:$dst, (sra GR16:$src, CL))]>, OpSize;
2244 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src),
2245 "sar{l}\t{%cl, $dst|$dst, CL}",
2246 [(set GR32:$dst, (sra GR32:$src, CL))]>;
2249 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2250 "sar{b}\t{$src2, $dst|$dst, $src2}",
2251 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
2252 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2253 "sar{w}\t{$src2, $dst|$dst, $src2}",
2254 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
2256 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2257 "sar{l}\t{$src2, $dst|$dst, $src2}",
2258 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
2261 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
2263 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
2264 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
2266 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
2267 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
2269 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
2271 let isTwoAddress = 0 in {
2272 let Uses = [CL] in {
2273 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
2274 "sar{b}\t{%cl, $dst|$dst, CL}",
2275 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
2276 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
2277 "sar{w}\t{%cl, $dst|$dst, CL}",
2278 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2279 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
2280 "sar{l}\t{%cl, $dst|$dst, CL}",
2281 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
2283 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
2284 "sar{b}\t{$src, $dst|$dst, $src}",
2285 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2286 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
2287 "sar{w}\t{$src, $dst|$dst, $src}",
2288 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2290 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
2291 "sar{l}\t{$src, $dst|$dst, $src}",
2292 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2295 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
2297 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2298 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
2300 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2302 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
2304 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2307 // Rotate instructions
2309 def RCL8r1 : I<0xD0, MRM2r, (outs GR8:$dst), (ins GR8:$src),
2310 "rcl{b}\t{1, $dst|$dst, 1}", []>;
2311 let Uses = [CL] in {
2312 def RCL8rCL : I<0xD2, MRM2r, (outs GR8:$dst), (ins GR8:$src),
2313 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
2315 def RCL8ri : Ii8<0xC0, MRM2r, (outs GR8:$dst), (ins GR8:$src, i8imm:$cnt),
2316 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2318 def RCL16r1 : I<0xD1, MRM2r, (outs GR16:$dst), (ins GR16:$src),
2319 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2320 let Uses = [CL] in {
2321 def RCL16rCL : I<0xD3, MRM2r, (outs GR16:$dst), (ins GR16:$src),
2322 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2324 def RCL16ri : Ii8<0xC1, MRM2r, (outs GR16:$dst), (ins GR16:$src, i8imm:$cnt),
2325 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2327 def RCL32r1 : I<0xD1, MRM2r, (outs GR32:$dst), (ins GR32:$src),
2328 "rcl{l}\t{1, $dst|$dst, 1}", []>;
2329 let Uses = [CL] in {
2330 def RCL32rCL : I<0xD3, MRM2r, (outs GR32:$dst), (ins GR32:$src),
2331 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
2333 def RCL32ri : Ii8<0xC1, MRM2r, (outs GR32:$dst), (ins GR32:$src, i8imm:$cnt),
2334 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2336 def RCR8r1 : I<0xD0, MRM3r, (outs GR8:$dst), (ins GR8:$src),
2337 "rcr{b}\t{1, $dst|$dst, 1}", []>;
2338 let Uses = [CL] in {
2339 def RCR8rCL : I<0xD2, MRM3r, (outs GR8:$dst), (ins GR8:$src),
2340 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
2342 def RCR8ri : Ii8<0xC0, MRM3r, (outs GR8:$dst), (ins GR8:$src, i8imm:$cnt),
2343 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2345 def RCR16r1 : I<0xD1, MRM3r, (outs GR16:$dst), (ins GR16:$src),
2346 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2347 let Uses = [CL] in {
2348 def RCR16rCL : I<0xD3, MRM3r, (outs GR16:$dst), (ins GR16:$src),
2349 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2351 def RCR16ri : Ii8<0xC1, MRM3r, (outs GR16:$dst), (ins GR16:$src, i8imm:$cnt),
2352 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2354 def RCR32r1 : I<0xD1, MRM3r, (outs GR32:$dst), (ins GR32:$src),
2355 "rcr{l}\t{1, $dst|$dst, 1}", []>;
2356 let Uses = [CL] in {
2357 def RCR32rCL : I<0xD3, MRM3r, (outs GR32:$dst), (ins GR32:$src),
2358 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
2360 def RCR32ri : Ii8<0xC1, MRM3r, (outs GR32:$dst), (ins GR32:$src, i8imm:$cnt),
2361 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2363 let isTwoAddress = 0 in {
2364 def RCL8m1 : I<0xD0, MRM2m, (outs), (ins i8mem:$dst),
2365 "rcl{b}\t{1, $dst|$dst, 1}", []>;
2366 def RCL8mi : Ii8<0xC0, MRM2m, (outs), (ins i8mem:$dst, i8imm:$cnt),
2367 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2368 def RCL16m1 : I<0xD1, MRM2m, (outs), (ins i16mem:$dst),
2369 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2370 def RCL16mi : Ii8<0xC1, MRM2m, (outs), (ins i16mem:$dst, i8imm:$cnt),
2371 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2372 def RCL32m1 : I<0xD1, MRM2m, (outs), (ins i32mem:$dst),
2373 "rcl{l}\t{1, $dst|$dst, 1}", []>;
2374 def RCL32mi : Ii8<0xC1, MRM2m, (outs), (ins i32mem:$dst, i8imm:$cnt),
2375 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2376 def RCR8m1 : I<0xD0, MRM3m, (outs), (ins i8mem:$dst),
2377 "rcr{b}\t{1, $dst|$dst, 1}", []>;
2378 def RCR8mi : Ii8<0xC0, MRM3m, (outs), (ins i8mem:$dst, i8imm:$cnt),
2379 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2380 def RCR16m1 : I<0xD1, MRM3m, (outs), (ins i16mem:$dst),
2381 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2382 def RCR16mi : Ii8<0xC1, MRM3m, (outs), (ins i16mem:$dst, i8imm:$cnt),
2383 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2384 def RCR32m1 : I<0xD1, MRM3m, (outs), (ins i32mem:$dst),
2385 "rcr{l}\t{1, $dst|$dst, 1}", []>;
2386 def RCR32mi : Ii8<0xC1, MRM3m, (outs), (ins i32mem:$dst, i8imm:$cnt),
2387 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2389 let Uses = [CL] in {
2390 def RCL8mCL : I<0xD2, MRM2m, (outs), (ins i8mem:$dst),
2391 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
2392 def RCL16mCL : I<0xD3, MRM2m, (outs), (ins i16mem:$dst),
2393 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2394 def RCL32mCL : I<0xD3, MRM2m, (outs), (ins i32mem:$dst),
2395 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
2396 def RCR8mCL : I<0xD2, MRM3m, (outs), (ins i8mem:$dst),
2397 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
2398 def RCR16mCL : I<0xD3, MRM3m, (outs), (ins i16mem:$dst),
2399 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2400 def RCR32mCL : I<0xD3, MRM3m, (outs), (ins i32mem:$dst),
2401 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
2405 // FIXME: provide shorter instructions when imm8 == 1
2406 let Uses = [CL] in {
2407 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),
2408 "rol{b}\t{%cl, $dst|$dst, CL}",
2409 [(set GR8:$dst, (rotl GR8:$src, CL))]>;
2410 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src),
2411 "rol{w}\t{%cl, $dst|$dst, CL}",
2412 [(set GR16:$dst, (rotl GR16:$src, CL))]>, OpSize;
2413 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src),
2414 "rol{l}\t{%cl, $dst|$dst, CL}",
2415 [(set GR32:$dst, (rotl GR32:$src, CL))]>;
2418 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2419 "rol{b}\t{$src2, $dst|$dst, $src2}",
2420 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
2421 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2422 "rol{w}\t{$src2, $dst|$dst, $src2}",
2423 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>,
2425 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2426 "rol{l}\t{$src2, $dst|$dst, $src2}",
2427 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
2430 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
2432 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
2433 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
2435 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
2436 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
2438 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
2440 let isTwoAddress = 0 in {
2441 let Uses = [CL] in {
2442 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
2443 "rol{b}\t{%cl, $dst|$dst, CL}",
2444 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
2445 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
2446 "rol{w}\t{%cl, $dst|$dst, CL}",
2447 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2448 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
2449 "rol{l}\t{%cl, $dst|$dst, CL}",
2450 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
2452 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
2453 "rol{b}\t{$src, $dst|$dst, $src}",
2454 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2455 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
2456 "rol{w}\t{$src, $dst|$dst, $src}",
2457 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2459 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
2460 "rol{l}\t{$src, $dst|$dst, $src}",
2461 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2464 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
2466 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2467 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
2469 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2471 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
2473 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2476 let Uses = [CL] in {
2477 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),
2478 "ror{b}\t{%cl, $dst|$dst, CL}",
2479 [(set GR8:$dst, (rotr GR8:$src, CL))]>;
2480 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src),
2481 "ror{w}\t{%cl, $dst|$dst, CL}",
2482 [(set GR16:$dst, (rotr GR16:$src, CL))]>, OpSize;
2483 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src),
2484 "ror{l}\t{%cl, $dst|$dst, CL}",
2485 [(set GR32:$dst, (rotr GR32:$src, CL))]>;
2488 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2489 "ror{b}\t{$src2, $dst|$dst, $src2}",
2490 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
2491 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2492 "ror{w}\t{$src2, $dst|$dst, $src2}",
2493 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>,
2495 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2496 "ror{l}\t{$src2, $dst|$dst, $src2}",
2497 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
2500 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2502 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
2503 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2505 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
2506 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2508 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
2510 let isTwoAddress = 0 in {
2511 let Uses = [CL] in {
2512 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
2513 "ror{b}\t{%cl, $dst|$dst, CL}",
2514 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
2515 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
2516 "ror{w}\t{%cl, $dst|$dst, CL}",
2517 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2518 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
2519 "ror{l}\t{%cl, $dst|$dst, CL}",
2520 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
2522 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2523 "ror{b}\t{$src, $dst|$dst, $src}",
2524 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2525 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
2526 "ror{w}\t{$src, $dst|$dst, $src}",
2527 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2529 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
2530 "ror{l}\t{$src, $dst|$dst, $src}",
2531 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2534 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
2536 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2537 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
2539 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2541 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
2543 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2548 // Double shift instructions (generalizations of rotate)
2549 let Uses = [CL] in {
2550 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst),
2551 (ins GR32:$src1, GR32:$src2),
2552 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2553 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
2554 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst),
2555 (ins GR32:$src1, GR32:$src2),
2556 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2557 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
2558 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst),
2559 (ins GR16:$src1, GR16:$src2),
2560 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2561 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
2563 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst),
2564 (ins GR16:$src1, GR16:$src2),
2565 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2566 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
2570 let isCommutable = 1 in { // These instructions commute to each other.
2571 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
2573 (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2574 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2575 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
2578 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
2580 (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2581 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2582 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
2585 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
2587 (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2588 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2589 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
2592 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
2594 (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2595 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2596 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
2601 let isTwoAddress = 0 in {
2602 let Uses = [CL] in {
2603 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2604 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2605 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
2607 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2608 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2609 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
2612 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
2613 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2614 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2615 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
2616 (i8 imm:$src3)), addr:$dst)]>,
2618 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
2619 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2620 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2621 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
2622 (i8 imm:$src3)), addr:$dst)]>,
2625 let Uses = [CL] in {
2626 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2627 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2628 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
2629 addr:$dst)]>, TB, OpSize;
2630 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2631 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2632 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
2633 addr:$dst)]>, TB, OpSize;
2635 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
2636 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2637 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2638 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
2639 (i8 imm:$src3)), addr:$dst)]>,
2641 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
2642 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2643 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2644 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
2645 (i8 imm:$src3)), addr:$dst)]>,
2648 } // Defs = [EFLAGS]
2652 let Defs = [EFLAGS] in {
2653 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
2654 // Register-Register Addition
2655 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
2656 (ins GR8 :$src1, GR8 :$src2),
2657 "add{b}\t{$src2, $dst|$dst, $src2}",
2658 [(set GR8:$dst, EFLAGS, (X86add_flag GR8:$src1, GR8:$src2))]>;
2660 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2661 // Register-Register Addition
2662 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
2663 (ins GR16:$src1, GR16:$src2),
2664 "add{w}\t{$src2, $dst|$dst, $src2}",
2665 [(set GR16:$dst, EFLAGS, (X86add_flag GR16:$src1,
2666 GR16:$src2))]>, OpSize;
2667 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
2668 (ins GR32:$src1, GR32:$src2),
2669 "add{l}\t{$src2, $dst|$dst, $src2}",
2670 [(set GR32:$dst, EFLAGS, (X86add_flag GR32:$src1,
2672 } // end isConvertibleToThreeAddress
2673 } // end isCommutable
2675 // These are alternate spellings for use by the disassembler, we mark them as
2676 // code gen only to ensure they aren't matched by the assembler.
2677 let isCodeGenOnly = 1 in {
2678 def ADD8rr_alt: I<0x02, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2679 "add{b}\t{$src2, $dst|$dst, $src2}", []>;
2680 def ADD16rr_alt: I<0x03, MRMSrcReg,(outs GR16:$dst),(ins GR16:$src1, GR16:$src2),
2681 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2682 def ADD32rr_alt: I<0x03, MRMSrcReg,(outs GR32:$dst),(ins GR32:$src1, GR32:$src2),
2683 "add{l}\t{$src2, $dst|$dst, $src2}", []>;
2686 // Register-Memory Addition
2687 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
2688 (ins GR8 :$src1, i8mem :$src2),
2689 "add{b}\t{$src2, $dst|$dst, $src2}",
2690 [(set GR8:$dst, EFLAGS, (X86add_flag GR8:$src1,
2691 (load addr:$src2)))]>;
2692 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
2693 (ins GR16:$src1, i16mem:$src2),
2694 "add{w}\t{$src2, $dst|$dst, $src2}",
2695 [(set GR16:$dst, EFLAGS, (X86add_flag GR16:$src1,
2696 (load addr:$src2)))]>, OpSize;
2697 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
2698 (ins GR32:$src1, i32mem:$src2),
2699 "add{l}\t{$src2, $dst|$dst, $src2}",
2700 [(set GR32:$dst, EFLAGS, (X86add_flag GR32:$src1,
2701 (load addr:$src2)))]>;
2703 // Register-Integer Addition
2704 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2705 "add{b}\t{$src2, $dst|$dst, $src2}",
2706 [(set GR8:$dst, EFLAGS,
2707 (X86add_flag GR8:$src1, imm:$src2))]>;
2709 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2710 // Register-Integer Addition
2711 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
2712 (ins GR16:$src1, i16imm:$src2),
2713 "add{w}\t{$src2, $dst|$dst, $src2}",
2714 [(set GR16:$dst, EFLAGS,
2715 (X86add_flag GR16:$src1, imm:$src2))]>, OpSize;
2716 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2717 (ins GR32:$src1, i32imm:$src2),
2718 "add{l}\t{$src2, $dst|$dst, $src2}",
2719 [(set GR32:$dst, EFLAGS,
2720 (X86add_flag GR32:$src1, imm:$src2))]>;
2721 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2722 (ins GR16:$src1, i16i8imm:$src2),
2723 "add{w}\t{$src2, $dst|$dst, $src2}",
2724 [(set GR16:$dst, EFLAGS,
2725 (X86add_flag GR16:$src1, i16immSExt8:$src2))]>, OpSize;
2726 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2727 (ins GR32:$src1, i32i8imm:$src2),
2728 "add{l}\t{$src2, $dst|$dst, $src2}",
2729 [(set GR32:$dst, EFLAGS,
2730 (X86add_flag GR32:$src1, i32immSExt8:$src2))]>;
2733 let isTwoAddress = 0 in {
2734 // Memory-Register Addition
2735 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2736 "add{b}\t{$src2, $dst|$dst, $src2}",
2737 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2738 (implicit EFLAGS)]>;
2739 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2740 "add{w}\t{$src2, $dst|$dst, $src2}",
2741 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2742 (implicit EFLAGS)]>, OpSize;
2743 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2744 "add{l}\t{$src2, $dst|$dst, $src2}",
2745 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2746 (implicit EFLAGS)]>;
2747 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2748 "add{b}\t{$src2, $dst|$dst, $src2}",
2749 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2750 (implicit EFLAGS)]>;
2751 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2752 "add{w}\t{$src2, $dst|$dst, $src2}",
2753 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2754 (implicit EFLAGS)]>, OpSize;
2755 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2756 "add{l}\t{$src2, $dst|$dst, $src2}",
2757 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2758 (implicit EFLAGS)]>;
2759 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2760 "add{w}\t{$src2, $dst|$dst, $src2}",
2761 [(store (add (load addr:$dst), i16immSExt8:$src2),
2763 (implicit EFLAGS)]>, OpSize;
2764 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2765 "add{l}\t{$src2, $dst|$dst, $src2}",
2766 [(store (add (load addr:$dst), i32immSExt8:$src2),
2768 (implicit EFLAGS)]>;
2771 def ADD8i8 : Ii8<0x04, RawFrm, (outs), (ins i8imm:$src),
2772 "add{b}\t{$src, %al|%al, $src}", []>;
2773 def ADD16i16 : Ii16<0x05, RawFrm, (outs), (ins i16imm:$src),
2774 "add{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2775 def ADD32i32 : Ii32<0x05, RawFrm, (outs), (ins i32imm:$src),
2776 "add{l}\t{$src, %eax|%eax, $src}", []>;
2779 let Uses = [EFLAGS] in {
2780 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2781 def ADC8rr : I<0x10, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2782 "adc{b}\t{$src2, $dst|$dst, $src2}",
2783 [(set GR8:$dst, (adde GR8:$src1, GR8:$src2))]>;
2784 def ADC16rr : I<0x11, MRMDestReg, (outs GR16:$dst),
2785 (ins GR16:$src1, GR16:$src2),
2786 "adc{w}\t{$src2, $dst|$dst, $src2}",
2787 [(set GR16:$dst, (adde GR16:$src1, GR16:$src2))]>, OpSize;
2788 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst),
2789 (ins GR32:$src1, GR32:$src2),
2790 "adc{l}\t{$src2, $dst|$dst, $src2}",
2791 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2794 def ADC8rr_REV : I<0x12, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2795 "adc{b}\t{$src2, $dst|$dst, $src2}", []>;
2796 def ADC16rr_REV : I<0x13, MRMSrcReg, (outs GR16:$dst),
2797 (ins GR16:$src1, GR16:$src2),
2798 "adc{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2799 def ADC32rr_REV : I<0x13, MRMSrcReg, (outs GR32:$dst),
2800 (ins GR32:$src1, GR32:$src2),
2801 "adc{l}\t{$src2, $dst|$dst, $src2}", []>;
2803 def ADC8rm : I<0x12, MRMSrcMem , (outs GR8:$dst),
2804 (ins GR8:$src1, i8mem:$src2),
2805 "adc{b}\t{$src2, $dst|$dst, $src2}",
2806 [(set GR8:$dst, (adde GR8:$src1, (load addr:$src2)))]>;
2807 def ADC16rm : I<0x13, MRMSrcMem , (outs GR16:$dst),
2808 (ins GR16:$src1, i16mem:$src2),
2809 "adc{w}\t{$src2, $dst|$dst, $src2}",
2810 [(set GR16:$dst, (adde GR16:$src1, (load addr:$src2)))]>,
2812 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst),
2813 (ins GR32:$src1, i32mem:$src2),
2814 "adc{l}\t{$src2, $dst|$dst, $src2}",
2815 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2816 def ADC8ri : Ii8<0x80, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2817 "adc{b}\t{$src2, $dst|$dst, $src2}",
2818 [(set GR8:$dst, (adde GR8:$src1, imm:$src2))]>;
2819 def ADC16ri : Ii16<0x81, MRM2r, (outs GR16:$dst),
2820 (ins GR16:$src1, i16imm:$src2),
2821 "adc{w}\t{$src2, $dst|$dst, $src2}",
2822 [(set GR16:$dst, (adde GR16:$src1, imm:$src2))]>, OpSize;
2823 def ADC16ri8 : Ii8<0x83, MRM2r, (outs GR16:$dst),
2824 (ins GR16:$src1, i16i8imm:$src2),
2825 "adc{w}\t{$src2, $dst|$dst, $src2}",
2826 [(set GR16:$dst, (adde GR16:$src1, i16immSExt8:$src2))]>,
2828 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst),
2829 (ins GR32:$src1, i32imm:$src2),
2830 "adc{l}\t{$src2, $dst|$dst, $src2}",
2831 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2832 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst),
2833 (ins GR32:$src1, i32i8imm:$src2),
2834 "adc{l}\t{$src2, $dst|$dst, $src2}",
2835 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2837 let isTwoAddress = 0 in {
2838 def ADC8mr : I<0x10, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2839 "adc{b}\t{$src2, $dst|$dst, $src2}",
2840 [(store (adde (load addr:$dst), GR8:$src2), addr:$dst)]>;
2841 def ADC16mr : I<0x11, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2842 "adc{w}\t{$src2, $dst|$dst, $src2}",
2843 [(store (adde (load addr:$dst), GR16:$src2), addr:$dst)]>,
2845 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2846 "adc{l}\t{$src2, $dst|$dst, $src2}",
2847 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2848 def ADC8mi : Ii8<0x80, MRM2m, (outs), (ins i8mem:$dst, i8imm:$src2),
2849 "adc{b}\t{$src2, $dst|$dst, $src2}",
2850 [(store (adde (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2851 def ADC16mi : Ii16<0x81, MRM2m, (outs), (ins i16mem:$dst, i16imm:$src2),
2852 "adc{w}\t{$src2, $dst|$dst, $src2}",
2853 [(store (adde (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2855 def ADC16mi8 : Ii8<0x83, MRM2m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2856 "adc{w}\t{$src2, $dst|$dst, $src2}",
2857 [(store (adde (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2859 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2860 "adc{l}\t{$src2, $dst|$dst, $src2}",
2861 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2862 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2863 "adc{l}\t{$src2, $dst|$dst, $src2}",
2864 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2866 def ADC8i8 : Ii8<0x14, RawFrm, (outs), (ins i8imm:$src),
2867 "adc{b}\t{$src, %al|%al, $src}", []>;
2868 def ADC16i16 : Ii16<0x15, RawFrm, (outs), (ins i16imm:$src),
2869 "adc{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2870 def ADC32i32 : Ii32<0x15, RawFrm, (outs), (ins i32imm:$src),
2871 "adc{l}\t{$src, %eax|%eax, $src}", []>;
2873 } // Uses = [EFLAGS]
2875 // Register-Register Subtraction
2876 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2877 "sub{b}\t{$src2, $dst|$dst, $src2}",
2878 [(set GR8:$dst, EFLAGS,
2879 (X86sub_flag GR8:$src1, GR8:$src2))]>;
2880 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2881 "sub{w}\t{$src2, $dst|$dst, $src2}",
2882 [(set GR16:$dst, EFLAGS,
2883 (X86sub_flag GR16:$src1, GR16:$src2))]>, OpSize;
2884 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2885 "sub{l}\t{$src2, $dst|$dst, $src2}",
2886 [(set GR32:$dst, EFLAGS,
2887 (X86sub_flag GR32:$src1, GR32:$src2))]>;
2889 def SUB8rr_REV : I<0x2A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2890 "sub{b}\t{$src2, $dst|$dst, $src2}", []>;
2891 def SUB16rr_REV : I<0x2B, MRMSrcReg, (outs GR16:$dst),
2892 (ins GR16:$src1, GR16:$src2),
2893 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2894 def SUB32rr_REV : I<0x2B, MRMSrcReg, (outs GR32:$dst),
2895 (ins GR32:$src1, GR32:$src2),
2896 "sub{l}\t{$src2, $dst|$dst, $src2}", []>;
2898 // Register-Memory Subtraction
2899 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
2900 (ins GR8 :$src1, i8mem :$src2),
2901 "sub{b}\t{$src2, $dst|$dst, $src2}",
2902 [(set GR8:$dst, EFLAGS,
2903 (X86sub_flag GR8:$src1, (load addr:$src2)))]>;
2904 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
2905 (ins GR16:$src1, i16mem:$src2),
2906 "sub{w}\t{$src2, $dst|$dst, $src2}",
2907 [(set GR16:$dst, EFLAGS,
2908 (X86sub_flag GR16:$src1, (load addr:$src2)))]>, OpSize;
2909 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
2910 (ins GR32:$src1, i32mem:$src2),
2911 "sub{l}\t{$src2, $dst|$dst, $src2}",
2912 [(set GR32:$dst, EFLAGS,
2913 (X86sub_flag GR32:$src1, (load addr:$src2)))]>;
2915 // Register-Integer Subtraction
2916 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
2917 (ins GR8:$src1, i8imm:$src2),
2918 "sub{b}\t{$src2, $dst|$dst, $src2}",
2919 [(set GR8:$dst, EFLAGS,
2920 (X86sub_flag GR8:$src1, imm:$src2))]>;
2921 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
2922 (ins GR16:$src1, i16imm:$src2),
2923 "sub{w}\t{$src2, $dst|$dst, $src2}",
2924 [(set GR16:$dst, EFLAGS,
2925 (X86sub_flag GR16:$src1, imm:$src2))]>, OpSize;
2926 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
2927 (ins GR32:$src1, i32imm:$src2),
2928 "sub{l}\t{$src2, $dst|$dst, $src2}",
2929 [(set GR32:$dst, EFLAGS,
2930 (X86sub_flag GR32:$src1, imm:$src2))]>;
2931 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
2932 (ins GR16:$src1, i16i8imm:$src2),
2933 "sub{w}\t{$src2, $dst|$dst, $src2}",
2934 [(set GR16:$dst, EFLAGS,
2935 (X86sub_flag GR16:$src1, i16immSExt8:$src2))]>, OpSize;
2936 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
2937 (ins GR32:$src1, i32i8imm:$src2),
2938 "sub{l}\t{$src2, $dst|$dst, $src2}",
2939 [(set GR32:$dst, EFLAGS,
2940 (X86sub_flag GR32:$src1, i32immSExt8:$src2))]>;
2942 let isTwoAddress = 0 in {
2943 // Memory-Register Subtraction
2944 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
2945 "sub{b}\t{$src2, $dst|$dst, $src2}",
2946 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
2947 (implicit EFLAGS)]>;
2948 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2949 "sub{w}\t{$src2, $dst|$dst, $src2}",
2950 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
2951 (implicit EFLAGS)]>, OpSize;
2952 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2953 "sub{l}\t{$src2, $dst|$dst, $src2}",
2954 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
2955 (implicit EFLAGS)]>;
2957 // Memory-Integer Subtraction
2958 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
2959 "sub{b}\t{$src2, $dst|$dst, $src2}",
2960 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
2961 (implicit EFLAGS)]>;
2962 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
2963 "sub{w}\t{$src2, $dst|$dst, $src2}",
2964 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
2965 (implicit EFLAGS)]>, OpSize;
2966 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
2967 "sub{l}\t{$src2, $dst|$dst, $src2}",
2968 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
2969 (implicit EFLAGS)]>;
2970 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2971 "sub{w}\t{$src2, $dst|$dst, $src2}",
2972 [(store (sub (load addr:$dst), i16immSExt8:$src2),
2974 (implicit EFLAGS)]>, OpSize;
2975 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2976 "sub{l}\t{$src2, $dst|$dst, $src2}",
2977 [(store (sub (load addr:$dst), i32immSExt8:$src2),
2979 (implicit EFLAGS)]>;
2981 def SUB8i8 : Ii8<0x2C, RawFrm, (outs), (ins i8imm:$src),
2982 "sub{b}\t{$src, %al|%al, $src}", []>;
2983 def SUB16i16 : Ii16<0x2D, RawFrm, (outs), (ins i16imm:$src),
2984 "sub{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2985 def SUB32i32 : Ii32<0x2D, RawFrm, (outs), (ins i32imm:$src),
2986 "sub{l}\t{$src, %eax|%eax, $src}", []>;
2989 let Uses = [EFLAGS] in {
2990 def SBB8rr : I<0x18, MRMDestReg, (outs GR8:$dst),
2991 (ins GR8:$src1, GR8:$src2),
2992 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2993 [(set GR8:$dst, (sube GR8:$src1, GR8:$src2))]>;
2994 def SBB16rr : I<0x19, MRMDestReg, (outs GR16:$dst),
2995 (ins GR16:$src1, GR16:$src2),
2996 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2997 [(set GR16:$dst, (sube GR16:$src1, GR16:$src2))]>, OpSize;
2998 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst),
2999 (ins GR32:$src1, GR32:$src2),
3000 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3001 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
3003 let isTwoAddress = 0 in {
3004 def SBB8mr : I<0x18, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
3005 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3006 [(store (sube (load addr:$dst), GR8:$src2), addr:$dst)]>;
3007 def SBB16mr : I<0x19, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3008 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3009 [(store (sube (load addr:$dst), GR16:$src2), addr:$dst)]>,
3011 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3012 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3013 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
3014 def SBB8mi : Ii8<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
3015 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3016 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
3017 def SBB16mi : Ii16<0x81, MRM3m, (outs), (ins i16mem:$dst, i16imm:$src2),
3018 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3019 [(store (sube (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
3021 def SBB16mi8 : Ii8<0x83, MRM3m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3022 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3023 [(store (sube (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
3025 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
3026 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3027 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
3028 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3029 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3030 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
3032 def SBB8i8 : Ii8<0x1C, RawFrm, (outs), (ins i8imm:$src),
3033 "sbb{b}\t{$src, %al|%al, $src}", []>;
3034 def SBB16i16 : Ii16<0x1D, RawFrm, (outs), (ins i16imm:$src),
3035 "sbb{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3036 def SBB32i32 : Ii32<0x1D, RawFrm, (outs), (ins i32imm:$src),
3037 "sbb{l}\t{$src, %eax|%eax, $src}", []>;
3040 def SBB8rr_REV : I<0x1A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
3041 "sbb{b}\t{$src2, $dst|$dst, $src2}", []>;
3042 def SBB16rr_REV : I<0x1B, MRMSrcReg, (outs GR16:$dst),
3043 (ins GR16:$src1, GR16:$src2),
3044 "sbb{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
3045 def SBB32rr_REV : I<0x1B, MRMSrcReg, (outs GR32:$dst),
3046 (ins GR32:$src1, GR32:$src2),
3047 "sbb{l}\t{$src2, $dst|$dst, $src2}", []>;
3049 def SBB8rm : I<0x1A, MRMSrcMem, (outs GR8:$dst), (ins GR8:$src1, i8mem:$src2),
3050 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3051 [(set GR8:$dst, (sube GR8:$src1, (load addr:$src2)))]>;
3052 def SBB16rm : I<0x1B, MRMSrcMem, (outs GR16:$dst),
3053 (ins GR16:$src1, i16mem:$src2),
3054 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3055 [(set GR16:$dst, (sube GR16:$src1, (load addr:$src2)))]>,
3057 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst),
3058 (ins GR32:$src1, i32mem:$src2),
3059 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3060 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
3061 def SBB8ri : Ii8<0x80, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
3062 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3063 [(set GR8:$dst, (sube GR8:$src1, imm:$src2))]>;
3064 def SBB16ri : Ii16<0x81, MRM3r, (outs GR16:$dst),
3065 (ins GR16:$src1, i16imm:$src2),
3066 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3067 [(set GR16:$dst, (sube GR16:$src1, imm:$src2))]>, OpSize;
3068 def SBB16ri8 : Ii8<0x83, MRM3r, (outs GR16:$dst),
3069 (ins GR16:$src1, i16i8imm:$src2),
3070 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3071 [(set GR16:$dst, (sube GR16:$src1, i16immSExt8:$src2))]>,
3073 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst),
3074 (ins GR32:$src1, i32imm:$src2),
3075 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3076 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
3077 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst),
3078 (ins GR32:$src1, i32i8imm:$src2),
3079 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3080 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
3081 } // Uses = [EFLAGS]
3082 } // Defs = [EFLAGS]
3084 let Defs = [EFLAGS] in {
3085 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
3086 // Register-Register Signed Integer Multiply
3087 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
3088 "imul{w}\t{$src2, $dst|$dst, $src2}",
3089 [(set GR16:$dst, EFLAGS,
3090 (X86smul_flag GR16:$src1, GR16:$src2))]>, TB, OpSize;
3091 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
3092 "imul{l}\t{$src2, $dst|$dst, $src2}",
3093 [(set GR32:$dst, EFLAGS,
3094 (X86smul_flag GR32:$src1, GR32:$src2))]>, TB;
3097 // Register-Memory Signed Integer Multiply
3098 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
3099 (ins GR16:$src1, i16mem:$src2),
3100 "imul{w}\t{$src2, $dst|$dst, $src2}",
3101 [(set GR16:$dst, EFLAGS,
3102 (X86smul_flag GR16:$src1, (load addr:$src2)))]>,
3104 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst),
3105 (ins GR32:$src1, i32mem:$src2),
3106 "imul{l}\t{$src2, $dst|$dst, $src2}",
3107 [(set GR32:$dst, EFLAGS,
3108 (X86smul_flag GR32:$src1, (load addr:$src2)))]>, TB;
3109 } // Defs = [EFLAGS]
3110 } // end Two Address instructions
3112 // Suprisingly enough, these are not two address instructions!
3113 let Defs = [EFLAGS] in {
3114 // Register-Integer Signed Integer Multiply
3115 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
3116 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
3117 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3118 [(set GR16:$dst, EFLAGS,
3119 (X86smul_flag GR16:$src1, imm:$src2))]>, OpSize;
3120 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
3121 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
3122 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3123 [(set GR32:$dst, EFLAGS,
3124 (X86smul_flag GR32:$src1, imm:$src2))]>;
3125 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
3126 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
3127 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3128 [(set GR16:$dst, EFLAGS,
3129 (X86smul_flag GR16:$src1, i16immSExt8:$src2))]>,
3131 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
3132 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
3133 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3134 [(set GR32:$dst, EFLAGS,
3135 (X86smul_flag GR32:$src1, i32immSExt8:$src2))]>;
3137 // Memory-Integer Signed Integer Multiply
3138 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
3139 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
3140 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3141 [(set GR16:$dst, EFLAGS,
3142 (X86smul_flag (load addr:$src1), imm:$src2))]>,
3144 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
3145 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
3146 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3147 [(set GR32:$dst, EFLAGS,
3148 (X86smul_flag (load addr:$src1), imm:$src2))]>;
3149 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
3150 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
3151 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3152 [(set GR16:$dst, EFLAGS,
3153 (X86smul_flag (load addr:$src1),
3154 i16immSExt8:$src2))]>, OpSize;
3155 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
3156 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
3157 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3158 [(set GR32:$dst, EFLAGS,
3159 (X86smul_flag (load addr:$src1),
3160 i32immSExt8:$src2))]>;
3161 } // Defs = [EFLAGS]
3163 //===----------------------------------------------------------------------===//
3164 // Test instructions are just like AND, except they don't generate a result.
3166 let Defs = [EFLAGS] in {
3167 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
3168 def TEST8rr : I<0x84, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
3169 "test{b}\t{$src2, $src1|$src1, $src2}",
3170 [(set EFLAGS, (X86cmp (and_su GR8:$src1, GR8:$src2), 0))]>;
3171 def TEST16rr : I<0x85, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
3172 "test{w}\t{$src2, $src1|$src1, $src2}",
3173 [(set EFLAGS, (X86cmp (and_su GR16:$src1, GR16:$src2),
3176 def TEST32rr : I<0x85, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
3177 "test{l}\t{$src2, $src1|$src1, $src2}",
3178 [(set EFLAGS, (X86cmp (and_su GR32:$src1, GR32:$src2),
3182 def TEST8i8 : Ii8<0xA8, RawFrm, (outs), (ins i8imm:$src),
3183 "test{b}\t{$src, %al|%al, $src}", []>;
3184 def TEST16i16 : Ii16<0xA9, RawFrm, (outs), (ins i16imm:$src),
3185 "test{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3186 def TEST32i32 : Ii32<0xA9, RawFrm, (outs), (ins i32imm:$src),
3187 "test{l}\t{$src, %eax|%eax, $src}", []>;
3189 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
3190 "test{b}\t{$src2, $src1|$src1, $src2}",
3191 [(set EFLAGS, (X86cmp (and GR8:$src1, (loadi8 addr:$src2)),
3193 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
3194 "test{w}\t{$src2, $src1|$src1, $src2}",
3195 [(set EFLAGS, (X86cmp (and GR16:$src1,
3196 (loadi16 addr:$src2)), 0))]>, OpSize;
3197 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
3198 "test{l}\t{$src2, $src1|$src1, $src2}",
3199 [(set EFLAGS, (X86cmp (and GR32:$src1,
3200 (loadi32 addr:$src2)), 0))]>;
3202 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
3203 (outs), (ins GR8:$src1, i8imm:$src2),
3204 "test{b}\t{$src2, $src1|$src1, $src2}",
3205 [(set EFLAGS, (X86cmp (and_su GR8:$src1, imm:$src2), 0))]>;
3206 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
3207 (outs), (ins GR16:$src1, i16imm:$src2),
3208 "test{w}\t{$src2, $src1|$src1, $src2}",
3209 [(set EFLAGS, (X86cmp (and_su GR16:$src1, imm:$src2), 0))]>,
3211 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
3212 (outs), (ins GR32:$src1, i32imm:$src2),
3213 "test{l}\t{$src2, $src1|$src1, $src2}",
3214 [(set EFLAGS, (X86cmp (and_su GR32:$src1, imm:$src2), 0))]>;
3216 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
3217 (outs), (ins i8mem:$src1, i8imm:$src2),
3218 "test{b}\t{$src2, $src1|$src1, $src2}",
3219 [(set EFLAGS, (X86cmp (and (loadi8 addr:$src1), imm:$src2),
3221 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
3222 (outs), (ins i16mem:$src1, i16imm:$src2),
3223 "test{w}\t{$src2, $src1|$src1, $src2}",
3224 [(set EFLAGS, (X86cmp (and (loadi16 addr:$src1), imm:$src2),
3226 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
3227 (outs), (ins i32mem:$src1, i32imm:$src2),
3228 "test{l}\t{$src2, $src1|$src1, $src2}",
3229 [(set EFLAGS, (X86cmp (and (loadi32 addr:$src1), imm:$src2),
3231 } // Defs = [EFLAGS]
3234 // Condition code ops, incl. set if equal/not equal/...
3235 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
3236 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
3237 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
3238 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
3240 let Uses = [EFLAGS] in {
3241 // Use sbb to materialize carry bit.
3242 let Defs = [EFLAGS], isCodeGenOnly = 1 in {
3243 // FIXME: These are pseudo ops that should be replaced with Pat<> patterns.
3244 // However, Pat<> can't replicate the destination reg into the inputs of the
3246 // FIXME: Change these to have encoding Pseudo when X86MCCodeEmitter replaces
3248 def SETB_C8r : I<0x18, MRMInitReg, (outs GR8:$dst), (ins), "",
3249 [(set GR8:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>;
3250 def SETB_C16r : I<0x19, MRMInitReg, (outs GR16:$dst), (ins), "",
3251 [(set GR16:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>,
3253 def SETB_C32r : I<0x19, MRMInitReg, (outs GR32:$dst), (ins), "",
3254 [(set GR32:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>;
3257 def SETEr : I<0x94, MRM0r,
3258 (outs GR8 :$dst), (ins),
3260 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
3262 def SETEm : I<0x94, MRM0m,
3263 (outs), (ins i8mem:$dst),
3265 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
3268 def SETNEr : I<0x95, MRM0r,
3269 (outs GR8 :$dst), (ins),
3271 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
3273 def SETNEm : I<0x95, MRM0m,
3274 (outs), (ins i8mem:$dst),
3276 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
3279 def SETLr : I<0x9C, MRM0r,
3280 (outs GR8 :$dst), (ins),
3282 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
3283 TB; // GR8 = < signed
3284 def SETLm : I<0x9C, MRM0m,
3285 (outs), (ins i8mem:$dst),
3287 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
3288 TB; // [mem8] = < signed
3290 def SETGEr : I<0x9D, MRM0r,
3291 (outs GR8 :$dst), (ins),
3293 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
3294 TB; // GR8 = >= signed
3295 def SETGEm : I<0x9D, MRM0m,
3296 (outs), (ins i8mem:$dst),
3298 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
3299 TB; // [mem8] = >= signed
3301 def SETLEr : I<0x9E, MRM0r,
3302 (outs GR8 :$dst), (ins),
3304 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
3305 TB; // GR8 = <= signed
3306 def SETLEm : I<0x9E, MRM0m,
3307 (outs), (ins i8mem:$dst),
3309 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
3310 TB; // [mem8] = <= signed
3312 def SETGr : I<0x9F, MRM0r,
3313 (outs GR8 :$dst), (ins),
3315 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
3316 TB; // GR8 = > signed
3317 def SETGm : I<0x9F, MRM0m,
3318 (outs), (ins i8mem:$dst),
3320 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
3321 TB; // [mem8] = > signed
3323 def SETBr : I<0x92, MRM0r,
3324 (outs GR8 :$dst), (ins),
3326 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
3327 TB; // GR8 = < unsign
3328 def SETBm : I<0x92, MRM0m,
3329 (outs), (ins i8mem:$dst),
3331 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
3332 TB; // [mem8] = < unsign
3334 def SETAEr : I<0x93, MRM0r,
3335 (outs GR8 :$dst), (ins),
3337 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
3338 TB; // GR8 = >= unsign
3339 def SETAEm : I<0x93, MRM0m,
3340 (outs), (ins i8mem:$dst),
3342 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
3343 TB; // [mem8] = >= unsign
3345 def SETBEr : I<0x96, MRM0r,
3346 (outs GR8 :$dst), (ins),
3348 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
3349 TB; // GR8 = <= unsign
3350 def SETBEm : I<0x96, MRM0m,
3351 (outs), (ins i8mem:$dst),
3353 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
3354 TB; // [mem8] = <= unsign
3356 def SETAr : I<0x97, MRM0r,
3357 (outs GR8 :$dst), (ins),
3359 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
3360 TB; // GR8 = > signed
3361 def SETAm : I<0x97, MRM0m,
3362 (outs), (ins i8mem:$dst),
3364 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
3365 TB; // [mem8] = > signed
3367 def SETSr : I<0x98, MRM0r,
3368 (outs GR8 :$dst), (ins),
3370 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
3371 TB; // GR8 = <sign bit>
3372 def SETSm : I<0x98, MRM0m,
3373 (outs), (ins i8mem:$dst),
3375 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
3376 TB; // [mem8] = <sign bit>
3377 def SETNSr : I<0x99, MRM0r,
3378 (outs GR8 :$dst), (ins),
3380 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
3381 TB; // GR8 = !<sign bit>
3382 def SETNSm : I<0x99, MRM0m,
3383 (outs), (ins i8mem:$dst),
3385 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
3386 TB; // [mem8] = !<sign bit>
3388 def SETPr : I<0x9A, MRM0r,
3389 (outs GR8 :$dst), (ins),
3391 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
3393 def SETPm : I<0x9A, MRM0m,
3394 (outs), (ins i8mem:$dst),
3396 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
3397 TB; // [mem8] = parity
3398 def SETNPr : I<0x9B, MRM0r,
3399 (outs GR8 :$dst), (ins),
3401 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
3402 TB; // GR8 = not parity
3403 def SETNPm : I<0x9B, MRM0m,
3404 (outs), (ins i8mem:$dst),
3406 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
3407 TB; // [mem8] = not parity
3409 def SETOr : I<0x90, MRM0r,
3410 (outs GR8 :$dst), (ins),
3412 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
3413 TB; // GR8 = overflow
3414 def SETOm : I<0x90, MRM0m,
3415 (outs), (ins i8mem:$dst),
3417 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
3418 TB; // [mem8] = overflow
3419 def SETNOr : I<0x91, MRM0r,
3420 (outs GR8 :$dst), (ins),
3422 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
3423 TB; // GR8 = not overflow
3424 def SETNOm : I<0x91, MRM0m,
3425 (outs), (ins i8mem:$dst),
3427 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
3428 TB; // [mem8] = not overflow
3429 } // Uses = [EFLAGS]
3432 // Integer comparisons
3433 let Defs = [EFLAGS] in {
3434 def CMP8i8 : Ii8<0x3C, RawFrm, (outs), (ins i8imm:$src),
3435 "cmp{b}\t{$src, %al|%al, $src}", []>;
3436 def CMP16i16 : Ii16<0x3D, RawFrm, (outs), (ins i16imm:$src),
3437 "cmp{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3438 def CMP32i32 : Ii32<0x3D, RawFrm, (outs), (ins i32imm:$src),
3439 "cmp{l}\t{$src, %eax|%eax, $src}", []>;
3441 def CMP8rr : I<0x38, MRMDestReg,
3442 (outs), (ins GR8 :$src1, GR8 :$src2),
3443 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3444 [(set EFLAGS, (X86cmp GR8:$src1, GR8:$src2))]>;
3445 def CMP16rr : I<0x39, MRMDestReg,
3446 (outs), (ins GR16:$src1, GR16:$src2),
3447 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3448 [(set EFLAGS, (X86cmp GR16:$src1, GR16:$src2))]>, OpSize;
3449 def CMP32rr : I<0x39, MRMDestReg,
3450 (outs), (ins GR32:$src1, GR32:$src2),
3451 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3452 [(set EFLAGS, (X86cmp GR32:$src1, GR32:$src2))]>;
3453 def CMP8mr : I<0x38, MRMDestMem,
3454 (outs), (ins i8mem :$src1, GR8 :$src2),
3455 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3456 [(set EFLAGS, (X86cmp (loadi8 addr:$src1), GR8:$src2))]>;
3457 def CMP16mr : I<0x39, MRMDestMem,
3458 (outs), (ins i16mem:$src1, GR16:$src2),
3459 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3460 [(set EFLAGS, (X86cmp (loadi16 addr:$src1), GR16:$src2))]>,
3462 def CMP32mr : I<0x39, MRMDestMem,
3463 (outs), (ins i32mem:$src1, GR32:$src2),
3464 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3465 [(set EFLAGS, (X86cmp (loadi32 addr:$src1), GR32:$src2))]>;
3466 def CMP8rm : I<0x3A, MRMSrcMem,
3467 (outs), (ins GR8 :$src1, i8mem :$src2),
3468 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3469 [(set EFLAGS, (X86cmp GR8:$src1, (loadi8 addr:$src2)))]>;
3470 def CMP16rm : I<0x3B, MRMSrcMem,
3471 (outs), (ins GR16:$src1, i16mem:$src2),
3472 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3473 [(set EFLAGS, (X86cmp GR16:$src1, (loadi16 addr:$src2)))]>,
3475 def CMP32rm : I<0x3B, MRMSrcMem,
3476 (outs), (ins GR32:$src1, i32mem:$src2),
3477 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3478 [(set EFLAGS, (X86cmp GR32:$src1, (loadi32 addr:$src2)))]>;
3480 // These are alternate spellings for use by the disassembler, we mark them as
3481 // code gen only to ensure they aren't matched by the assembler.
3482 let isCodeGenOnly = 1 in {
3483 def CMP8rr_alt : I<0x3A, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
3484 "cmp{b}\t{$src2, $src1|$src1, $src2}", []>;
3485 def CMP16rr_alt : I<0x3B, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
3486 "cmp{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize;
3487 def CMP32rr_alt : I<0x3B, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
3488 "cmp{l}\t{$src2, $src1|$src1, $src2}", []>;
3491 def CMP8ri : Ii8<0x80, MRM7r,
3492 (outs), (ins GR8:$src1, i8imm:$src2),
3493 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3494 [(set EFLAGS, (X86cmp GR8:$src1, imm:$src2))]>;
3495 def CMP16ri : Ii16<0x81, MRM7r,
3496 (outs), (ins GR16:$src1, i16imm:$src2),
3497 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3498 [(set EFLAGS, (X86cmp GR16:$src1, imm:$src2))]>, OpSize;
3499 def CMP32ri : Ii32<0x81, MRM7r,
3500 (outs), (ins GR32:$src1, i32imm:$src2),
3501 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3502 [(set EFLAGS, (X86cmp GR32:$src1, imm:$src2))]>;
3503 def CMP8mi : Ii8 <0x80, MRM7m,
3504 (outs), (ins i8mem :$src1, i8imm :$src2),
3505 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3506 [(set EFLAGS, (X86cmp (loadi8 addr:$src1), imm:$src2))]>;
3507 def CMP16mi : Ii16<0x81, MRM7m,
3508 (outs), (ins i16mem:$src1, i16imm:$src2),
3509 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3510 [(set EFLAGS, (X86cmp (loadi16 addr:$src1), imm:$src2))]>,
3512 def CMP32mi : Ii32<0x81, MRM7m,
3513 (outs), (ins i32mem:$src1, i32imm:$src2),
3514 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3515 [(set EFLAGS, (X86cmp (loadi32 addr:$src1), imm:$src2))]>;
3516 def CMP16ri8 : Ii8<0x83, MRM7r,
3517 (outs), (ins GR16:$src1, i16i8imm:$src2),
3518 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3519 [(set EFLAGS, (X86cmp GR16:$src1, i16immSExt8:$src2))]>,
3521 def CMP16mi8 : Ii8<0x83, MRM7m,
3522 (outs), (ins i16mem:$src1, i16i8imm:$src2),
3523 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3524 [(set EFLAGS, (X86cmp (loadi16 addr:$src1),
3525 i16immSExt8:$src2))]>, OpSize;
3526 def CMP32mi8 : Ii8<0x83, MRM7m,
3527 (outs), (ins i32mem:$src1, i32i8imm:$src2),
3528 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3529 [(set EFLAGS, (X86cmp (loadi32 addr:$src1),
3530 i32immSExt8:$src2))]>;
3531 def CMP32ri8 : Ii8<0x83, MRM7r,
3532 (outs), (ins GR32:$src1, i32i8imm:$src2),
3533 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3534 [(set EFLAGS, (X86cmp GR32:$src1, i32immSExt8:$src2))]>;
3535 } // Defs = [EFLAGS]
3538 // TODO: BTC, BTR, and BTS
3539 let Defs = [EFLAGS] in {
3540 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3541 "bt{w}\t{$src2, $src1|$src1, $src2}",
3542 [(set EFLAGS, (X86bt GR16:$src1, GR16:$src2))]>, OpSize, TB;
3543 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3544 "bt{l}\t{$src2, $src1|$src1, $src2}",
3545 [(set EFLAGS, (X86bt GR32:$src1, GR32:$src2))]>, TB;
3547 // Unlike with the register+register form, the memory+register form of the
3548 // bt instruction does not ignore the high bits of the index. From ISel's
3549 // perspective, this is pretty bizarre. Make these instructions disassembly
3552 def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3553 "bt{w}\t{$src2, $src1|$src1, $src2}",
3554 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
3555 // (implicit EFLAGS)]
3557 >, OpSize, TB, Requires<[FastBTMem]>;
3558 def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3559 "bt{l}\t{$src2, $src1|$src1, $src2}",
3560 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
3561 // (implicit EFLAGS)]
3563 >, TB, Requires<[FastBTMem]>;
3565 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3566 "bt{w}\t{$src2, $src1|$src1, $src2}",
3567 [(set EFLAGS, (X86bt GR16:$src1, i16immSExt8:$src2))]>,
3569 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3570 "bt{l}\t{$src2, $src1|$src1, $src2}",
3571 [(set EFLAGS, (X86bt GR32:$src1, i32immSExt8:$src2))]>, TB;
3572 // Note that these instructions don't need FastBTMem because that
3573 // only applies when the other operand is in a register. When it's
3574 // an immediate, bt is still fast.
3575 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3576 "bt{w}\t{$src2, $src1|$src1, $src2}",
3577 [(set EFLAGS, (X86bt (loadi16 addr:$src1), i16immSExt8:$src2))
3579 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3580 "bt{l}\t{$src2, $src1|$src1, $src2}",
3581 [(set EFLAGS, (X86bt (loadi32 addr:$src1), i32immSExt8:$src2))
3584 def BTC16rr : I<0xBB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3585 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3586 def BTC32rr : I<0xBB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3587 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3588 def BTC16mr : I<0xBB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3589 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3590 def BTC32mr : I<0xBB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3591 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3592 def BTC16ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3593 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3594 def BTC32ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3595 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3596 def BTC16mi8 : Ii8<0xBA, MRM7m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3597 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3598 def BTC32mi8 : Ii8<0xBA, MRM7m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3599 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3601 def BTR16rr : I<0xB3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3602 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3603 def BTR32rr : I<0xB3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3604 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3605 def BTR16mr : I<0xB3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3606 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3607 def BTR32mr : I<0xB3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3608 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3609 def BTR16ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3610 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3611 def BTR32ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3612 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3613 def BTR16mi8 : Ii8<0xBA, MRM6m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3614 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3615 def BTR32mi8 : Ii8<0xBA, MRM6m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3616 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3618 def BTS16rr : I<0xAB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3619 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3620 def BTS32rr : I<0xAB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3621 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3622 def BTS16mr : I<0xAB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3623 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3624 def BTS32mr : I<0xAB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3625 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3626 def BTS16ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3627 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3628 def BTS32ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3629 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3630 def BTS16mi8 : Ii8<0xBA, MRM5m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3631 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3632 def BTS32mi8 : Ii8<0xBA, MRM5m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3633 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3634 } // Defs = [EFLAGS]
3636 // Sign/Zero extenders
3637 // Use movsbl intead of movsbw; we don't care about the high 16 bits
3638 // of the register here. This has a smaller encoding and avoids a
3639 // partial-register update. Actual movsbw included for the disassembler.
3640 def MOVSX16rr8W : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src),
3641 "movs{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3642 def MOVSX16rm8W : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src),
3643 "movs{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3644 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3645 "", [(set GR16:$dst, (sext GR8:$src))]>, TB;
3646 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3647 "", [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
3648 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3649 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3650 [(set GR32:$dst, (sext GR8:$src))]>, TB;
3651 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3652 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3653 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
3654 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3655 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3656 [(set GR32:$dst, (sext GR16:$src))]>, TB;
3657 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3658 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3659 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
3661 // Use movzbl intead of movzbw; we don't care about the high 16 bits
3662 // of the register here. This has a smaller encoding and avoids a
3663 // partial-register update. Actual movzbw included for the disassembler.
3664 def MOVZX16rr8W : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src),
3665 "movz{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3666 def MOVZX16rm8W : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src),
3667 "movz{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3668 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3669 "", [(set GR16:$dst, (zext GR8:$src))]>, TB;
3670 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3671 "", [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
3672 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3673 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3674 [(set GR32:$dst, (zext GR8:$src))]>, TB;
3675 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3676 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3677 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
3678 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3679 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3680 [(set GR32:$dst, (zext GR16:$src))]>, TB;
3681 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3682 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3683 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
3685 // These are the same as the regular MOVZX32rr8 and MOVZX32rm8
3686 // except that they use GR32_NOREX for the output operand register class
3687 // instead of GR32. This allows them to operate on h registers on x86-64.
3688 def MOVZX32_NOREXrr8 : I<0xB6, MRMSrcReg,
3689 (outs GR32_NOREX:$dst), (ins GR8:$src),
3690 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3693 def MOVZX32_NOREXrm8 : I<0xB6, MRMSrcMem,
3694 (outs GR32_NOREX:$dst), (ins i8mem:$src),
3695 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3698 let neverHasSideEffects = 1 in {
3699 let Defs = [AX], Uses = [AL] in
3700 def CBW : I<0x98, RawFrm, (outs), (ins),
3701 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
3702 let Defs = [EAX], Uses = [AX] in
3703 def CWDE : I<0x98, RawFrm, (outs), (ins),
3704 "{cwtl|cwde}", []>; // EAX = signext(AX)
3706 let Defs = [AX,DX], Uses = [AX] in
3707 def CWD : I<0x99, RawFrm, (outs), (ins),
3708 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
3709 let Defs = [EAX,EDX], Uses = [EAX] in
3710 def CDQ : I<0x99, RawFrm, (outs), (ins),
3711 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
3714 //===----------------------------------------------------------------------===//
3715 // Alias Instructions
3716 //===----------------------------------------------------------------------===//
3718 // Alias instructions that map movr0 to xor.
3719 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
3720 // FIXME: Set encoding to pseudo.
3721 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1,
3722 isCodeGenOnly = 1 in {
3723 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins), "",
3724 [(set GR8:$dst, 0)]>;
3726 // We want to rewrite MOV16r0 in terms of MOV32r0, because it's a smaller
3727 // encoding and avoids a partial-register update sometimes, but doing so
3728 // at isel time interferes with rematerialization in the current register
3729 // allocator. For now, this is rewritten when the instruction is lowered
3731 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
3733 [(set GR16:$dst, 0)]>, OpSize;
3735 // FIXME: Set encoding to pseudo.
3736 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins), "",
3737 [(set GR32:$dst, 0)]>;
3740 //===----------------------------------------------------------------------===//
3741 // Thread Local Storage Instructions
3744 // All calls clobber the non-callee saved registers. ESP is marked as
3745 // a use to prevent stack-pointer assignments that appear immediately
3746 // before calls from potentially appearing dead.
3747 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
3748 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
3749 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
3750 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
3752 def TLS_addr32 : I<0, Pseudo, (outs), (ins lea32mem:$sym),
3753 "leal\t$sym, %eax; "
3754 "call\t___tls_get_addr@PLT",
3755 [(X86tlsaddr tls32addr:$sym)]>,
3756 Requires<[In32BitMode]>;
3758 let AddedComplexity = 5, isCodeGenOnly = 1 in
3759 def GS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3760 "movl\t%gs:$src, $dst",
3761 [(set GR32:$dst, (gsload addr:$src))]>, SegGS;
3763 let AddedComplexity = 5, isCodeGenOnly = 1 in
3764 def FS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3765 "movl\t%fs:$src, $dst",
3766 [(set GR32:$dst, (fsload addr:$src))]>, SegFS;
3768 //===----------------------------------------------------------------------===//
3769 // EH Pseudo Instructions
3771 let isTerminator = 1, isReturn = 1, isBarrier = 1,
3772 hasCtrlDep = 1, isCodeGenOnly = 1 in {
3773 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
3774 "ret\t#eh_return, addr: $addr",
3775 [(X86ehret GR32:$addr)]>;
3779 //===----------------------------------------------------------------------===//
3783 // Atomic swap. These are just normal xchg instructions. But since a memory
3784 // operand is referenced, the atomicity is ensured.
3785 let Constraints = "$val = $dst" in {
3786 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst),
3787 (ins GR32:$val, i32mem:$ptr),
3788 "xchg{l}\t{$val, $ptr|$ptr, $val}",
3789 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
3790 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst),
3791 (ins GR16:$val, i16mem:$ptr),
3792 "xchg{w}\t{$val, $ptr|$ptr, $val}",
3793 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
3795 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr),
3796 "xchg{b}\t{$val, $ptr|$ptr, $val}",
3797 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
3799 def XCHG32rr : I<0x87, MRMSrcReg, (outs GR32:$dst), (ins GR32:$val, GR32:$src),
3800 "xchg{l}\t{$val, $src|$src, $val}", []>;
3801 def XCHG16rr : I<0x87, MRMSrcReg, (outs GR16:$dst), (ins GR16:$val, GR16:$src),
3802 "xchg{w}\t{$val, $src|$src, $val}", []>, OpSize;
3803 def XCHG8rr : I<0x86, MRMSrcReg, (outs GR8:$dst), (ins GR8:$val, GR8:$src),
3804 "xchg{b}\t{$val, $src|$src, $val}", []>;
3807 def XCHG16ar : I<0x90, AddRegFrm, (outs), (ins GR16:$src),
3808 "xchg{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3809 def XCHG32ar : I<0x90, AddRegFrm, (outs), (ins GR32:$src),
3810 "xchg{l}\t{$src, %eax|%eax, $src}", []>;
3812 // Atomic compare and swap.
3813 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
3814 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
3816 "cmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
3817 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
3819 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
3820 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$ptr),
3823 [(X86cas8 addr:$ptr)]>, TB, LOCK;
3826 let Defs = [AX, EFLAGS], Uses = [AX] in {
3827 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
3829 "cmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
3830 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
3832 let Defs = [AL, EFLAGS], Uses = [AL] in {
3833 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
3835 "cmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
3836 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
3839 // Atomic exchange and add
3840 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
3841 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins GR32:$val, i32mem:$ptr),
3843 "xadd{l}\t{$val, $ptr|$ptr, $val}",
3844 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
3846 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins GR16:$val, i16mem:$ptr),
3848 "xadd{w}\t{$val, $ptr|$ptr, $val}",
3849 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
3851 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr),
3853 "xadd{b}\t{$val, $ptr|$ptr, $val}",
3854 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
3858 def XADD8rr : I<0xC0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
3859 "xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
3860 def XADD16rr : I<0xC1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
3861 "xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3862 def XADD32rr : I<0xC1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
3863 "xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
3865 def XADD8rm : I<0xC0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
3866 "xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
3867 def XADD16rm : I<0xC1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
3868 "xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3869 def XADD32rm : I<0xC1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
3870 "xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
3872 def CMPXCHG8rr : I<0xB0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
3873 "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
3874 def CMPXCHG16rr : I<0xB1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
3875 "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3876 def CMPXCHG32rr : I<0xB1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
3877 "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
3879 def CMPXCHG8rm : I<0xB0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
3880 "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
3881 def CMPXCHG16rm : I<0xB1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
3882 "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3883 def CMPXCHG32rm : I<0xB1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
3884 "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
3886 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in
3887 def CMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$dst),
3888 "cmpxchg8b\t$dst", []>, TB;
3890 // Optimized codegen when the non-memory output is not used.
3891 // FIXME: Use normal add / sub instructions and add lock prefix dynamically.
3892 let Defs = [EFLAGS] in {
3893 def LOCK_ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
3895 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3896 def LOCK_ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3898 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3899 def LOCK_ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3901 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3902 def LOCK_ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
3904 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3905 def LOCK_ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
3907 "add{w}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3908 def LOCK_ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
3910 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3911 def LOCK_ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3913 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3914 def LOCK_ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3916 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3918 def LOCK_INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst),
3920 "inc{b}\t$dst", []>, LOCK;
3921 def LOCK_INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst),
3923 "inc{w}\t$dst", []>, OpSize, LOCK;
3924 def LOCK_INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst),
3926 "inc{l}\t$dst", []>, LOCK;
3928 def LOCK_SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
3930 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3931 def LOCK_SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3933 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3934 def LOCK_SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3936 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3937 def LOCK_SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
3939 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3940 def LOCK_SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
3942 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3943 def LOCK_SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
3945 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3946 def LOCK_SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3948 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
3949 def LOCK_SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3951 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
3953 def LOCK_DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst),
3955 "dec{b}\t$dst", []>, LOCK;
3956 def LOCK_DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst),
3958 "dec{w}\t$dst", []>, OpSize, LOCK;
3959 def LOCK_DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst),
3961 "dec{l}\t$dst", []>, LOCK;
3964 // Atomic exchange, and, or, xor
3965 let Constraints = "$val = $dst", Defs = [EFLAGS],
3966 usesCustomInserter = 1 in {
3967 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3968 "#ATOMAND32 PSEUDO!",
3969 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
3970 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3971 "#ATOMOR32 PSEUDO!",
3972 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
3973 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3974 "#ATOMXOR32 PSEUDO!",
3975 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
3976 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3977 "#ATOMNAND32 PSEUDO!",
3978 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
3979 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3980 "#ATOMMIN32 PSEUDO!",
3981 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
3982 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3983 "#ATOMMAX32 PSEUDO!",
3984 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
3985 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3986 "#ATOMUMIN32 PSEUDO!",
3987 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
3988 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3989 "#ATOMUMAX32 PSEUDO!",
3990 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
3992 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3993 "#ATOMAND16 PSEUDO!",
3994 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
3995 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3996 "#ATOMOR16 PSEUDO!",
3997 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
3998 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3999 "#ATOMXOR16 PSEUDO!",
4000 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
4001 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4002 "#ATOMNAND16 PSEUDO!",
4003 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
4004 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
4005 "#ATOMMIN16 PSEUDO!",
4006 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
4007 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4008 "#ATOMMAX16 PSEUDO!",
4009 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
4010 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4011 "#ATOMUMIN16 PSEUDO!",
4012 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
4013 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4014 "#ATOMUMAX16 PSEUDO!",
4015 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
4017 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4018 "#ATOMAND8 PSEUDO!",
4019 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
4020 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4022 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
4023 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4024 "#ATOMXOR8 PSEUDO!",
4025 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
4026 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4027 "#ATOMNAND8 PSEUDO!",
4028 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
4031 let Constraints = "$val1 = $dst1, $val2 = $dst2",
4032 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
4033 Uses = [EAX, EBX, ECX, EDX],
4034 mayLoad = 1, mayStore = 1,
4035 usesCustomInserter = 1 in {
4036 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4037 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4038 "#ATOMAND6432 PSEUDO!", []>;
4039 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4040 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4041 "#ATOMOR6432 PSEUDO!", []>;
4042 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4043 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4044 "#ATOMXOR6432 PSEUDO!", []>;
4045 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4046 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4047 "#ATOMNAND6432 PSEUDO!", []>;
4048 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4049 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4050 "#ATOMADD6432 PSEUDO!", []>;
4051 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4052 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4053 "#ATOMSUB6432 PSEUDO!", []>;
4054 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4055 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4056 "#ATOMSWAP6432 PSEUDO!", []>;
4059 // Segmentation support instructions.
4061 def LAR16rm : I<0x02, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
4062 "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4063 def LAR16rr : I<0x02, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
4064 "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4066 // i16mem operand in LAR32rm and GR32 operand in LAR32rr is not a typo.
4067 def LAR32rm : I<0x02, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
4068 "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
4069 def LAR32rr : I<0x02, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4070 "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
4072 def LSL16rm : I<0x03, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
4073 "lsl{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4074 def LSL16rr : I<0x03, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
4075 "lsl{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4076 def LSL32rm : I<0x03, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
4077 "lsl{l}\t{$src, $dst|$dst, $src}", []>, TB;
4078 def LSL32rr : I<0x03, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4079 "lsl{l}\t{$src, $dst|$dst, $src}", []>, TB;
4081 def INVLPG : I<0x01, MRM7m, (outs), (ins i8mem:$addr), "invlpg\t$addr", []>, TB;
4083 def STRr : I<0x00, MRM1r, (outs GR16:$dst), (ins),
4084 "str{w}\t{$dst}", []>, TB;
4085 def STRm : I<0x00, MRM1m, (outs i16mem:$dst), (ins),
4086 "str{w}\t{$dst}", []>, TB;
4087 def LTRr : I<0x00, MRM3r, (outs), (ins GR16:$src),
4088 "ltr{w}\t{$src}", []>, TB;
4089 def LTRm : I<0x00, MRM3m, (outs), (ins i16mem:$src),
4090 "ltr{w}\t{$src}", []>, TB;
4092 def PUSHFS16 : I<0xa0, RawFrm, (outs), (ins),
4093 "push{w}\t%fs", []>, OpSize, TB;
4094 def PUSHFS32 : I<0xa0, RawFrm, (outs), (ins),
4095 "push{l}\t%fs", []>, TB;
4096 def PUSHGS16 : I<0xa8, RawFrm, (outs), (ins),
4097 "push{w}\t%gs", []>, OpSize, TB;
4098 def PUSHGS32 : I<0xa8, RawFrm, (outs), (ins),
4099 "push{l}\t%gs", []>, TB;
4101 def POPFS16 : I<0xa1, RawFrm, (outs), (ins),
4102 "pop{w}\t%fs", []>, OpSize, TB;
4103 def POPFS32 : I<0xa1, RawFrm, (outs), (ins),
4104 "pop{l}\t%fs", []>, TB;
4105 def POPGS16 : I<0xa9, RawFrm, (outs), (ins),
4106 "pop{w}\t%gs", []>, OpSize, TB;
4107 def POPGS32 : I<0xa9, RawFrm, (outs), (ins),
4108 "pop{l}\t%gs", []>, TB;
4110 def LDS16rm : I<0xc5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4111 "lds{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
4112 def LDS32rm : I<0xc5, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4113 "lds{l}\t{$src, $dst|$dst, $src}", []>;
4114 def LSS16rm : I<0xb2, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4115 "lss{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4116 def LSS32rm : I<0xb2, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4117 "lss{l}\t{$src, $dst|$dst, $src}", []>, TB;
4118 def LES16rm : I<0xc4, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4119 "les{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
4120 def LES32rm : I<0xc4, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4121 "les{l}\t{$src, $dst|$dst, $src}", []>;
4122 def LFS16rm : I<0xb4, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4123 "lfs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4124 def LFS32rm : I<0xb4, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4125 "lfs{l}\t{$src, $dst|$dst, $src}", []>, TB;
4126 def LGS16rm : I<0xb5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4127 "lgs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4128 def LGS32rm : I<0xb5, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4129 "lgs{l}\t{$src, $dst|$dst, $src}", []>, TB;
4131 def VERRr : I<0x00, MRM4r, (outs), (ins GR16:$seg),
4132 "verr\t$seg", []>, TB;
4133 def VERRm : I<0x00, MRM4m, (outs), (ins i16mem:$seg),
4134 "verr\t$seg", []>, TB;
4135 def VERWr : I<0x00, MRM5r, (outs), (ins GR16:$seg),
4136 "verw\t$seg", []>, TB;
4137 def VERWm : I<0x00, MRM5m, (outs), (ins i16mem:$seg),
4138 "verw\t$seg", []>, TB;
4140 // Descriptor-table support instructions
4142 def SGDTm : I<0x01, MRM0m, (outs opaque48mem:$dst), (ins),
4143 "sgdt\t$dst", []>, TB;
4144 def SIDTm : I<0x01, MRM1m, (outs opaque48mem:$dst), (ins),
4145 "sidt\t$dst", []>, TB;
4146 def SLDT16r : I<0x00, MRM0r, (outs GR16:$dst), (ins),
4147 "sldt{w}\t$dst", []>, TB;
4148 def SLDT16m : I<0x00, MRM0m, (outs i16mem:$dst), (ins),
4149 "sldt{w}\t$dst", []>, TB;
4150 def LGDTm : I<0x01, MRM2m, (outs), (ins opaque48mem:$src),
4151 "lgdt\t$src", []>, TB;
4152 def LIDTm : I<0x01, MRM3m, (outs), (ins opaque48mem:$src),
4153 "lidt\t$src", []>, TB;
4154 def LLDT16r : I<0x00, MRM2r, (outs), (ins GR16:$src),
4155 "lldt{w}\t$src", []>, TB;
4156 def LLDT16m : I<0x00, MRM2m, (outs), (ins i16mem:$src),
4157 "lldt{w}\t$src", []>, TB;
4159 // Lock instruction prefix
4160 def LOCK_PREFIX : I<0xF0, RawFrm, (outs), (ins), "lock", []>;
4162 // Repeat string operation instruction prefixes
4163 // These uses the DF flag in the EFLAGS register to inc or dec ECX
4164 let Defs = [ECX], Uses = [ECX,EFLAGS] in {
4165 // Repeat (used with INS, OUTS, MOVS, LODS and STOS)
4166 def REP_PREFIX : I<0xF3, RawFrm, (outs), (ins), "rep", []>;
4167 // Repeat while not equal (used with CMPS and SCAS)
4168 def REPNE_PREFIX : I<0xF2, RawFrm, (outs), (ins), "repne", []>;
4171 // Segment override instruction prefixes
4172 def CS_PREFIX : I<0x2E, RawFrm, (outs), (ins), "cs", []>;
4173 def SS_PREFIX : I<0x36, RawFrm, (outs), (ins), "ss", []>;
4174 def DS_PREFIX : I<0x3E, RawFrm, (outs), (ins), "ds", []>;
4175 def ES_PREFIX : I<0x26, RawFrm, (outs), (ins), "es", []>;
4176 def FS_PREFIX : I<0x64, RawFrm, (outs), (ins), "fs", []>;
4177 def GS_PREFIX : I<0x65, RawFrm, (outs), (ins), "gs", []>;
4179 // String manipulation instructions
4181 def LODSB : I<0xAC, RawFrm, (outs), (ins), "lodsb", []>;
4182 def LODSW : I<0xAD, RawFrm, (outs), (ins), "lodsw", []>, OpSize;
4183 def LODSD : I<0xAD, RawFrm, (outs), (ins), "lods{l|d}", []>;
4185 def OUTSB : I<0x6E, RawFrm, (outs), (ins), "outsb", []>;
4186 def OUTSW : I<0x6F, RawFrm, (outs), (ins), "outsw", []>, OpSize;
4187 def OUTSD : I<0x6F, RawFrm, (outs), (ins), "outs{l|d}", []>;
4189 // CPU flow control instructions
4191 def HLT : I<0xF4, RawFrm, (outs), (ins), "hlt", []>;
4192 def RSM : I<0xAA, RawFrm, (outs), (ins), "rsm", []>, TB;
4194 // FPU control instructions
4196 def FNINIT : I<0xE3, RawFrm, (outs), (ins), "fninit", []>, DB;
4198 // Flag instructions
4200 def CLC : I<0xF8, RawFrm, (outs), (ins), "clc", []>;
4201 def STC : I<0xF9, RawFrm, (outs), (ins), "stc", []>;
4202 def CLI : I<0xFA, RawFrm, (outs), (ins), "cli", []>;
4203 def STI : I<0xFB, RawFrm, (outs), (ins), "sti", []>;
4204 def CLD : I<0xFC, RawFrm, (outs), (ins), "cld", []>;
4205 def STD : I<0xFD, RawFrm, (outs), (ins), "std", []>;
4206 def CMC : I<0xF5, RawFrm, (outs), (ins), "cmc", []>;
4208 def CLTS : I<0x06, RawFrm, (outs), (ins), "clts", []>, TB;
4210 // Table lookup instructions
4212 def XLAT : I<0xD7, RawFrm, (outs), (ins), "xlatb", []>;
4214 // Specialized register support
4216 def WRMSR : I<0x30, RawFrm, (outs), (ins), "wrmsr", []>, TB;
4217 def RDMSR : I<0x32, RawFrm, (outs), (ins), "rdmsr", []>, TB;
4218 def RDPMC : I<0x33, RawFrm, (outs), (ins), "rdpmc", []>, TB;
4220 def SMSW16r : I<0x01, MRM4r, (outs GR16:$dst), (ins),
4221 "smsw{w}\t$dst", []>, OpSize, TB;
4222 def SMSW32r : I<0x01, MRM4r, (outs GR32:$dst), (ins),
4223 "smsw{l}\t$dst", []>, TB;
4224 // For memory operands, there is only a 16-bit form
4225 def SMSW16m : I<0x01, MRM4m, (outs i16mem:$dst), (ins),
4226 "smsw{w}\t$dst", []>, TB;
4228 def LMSW16r : I<0x01, MRM6r, (outs), (ins GR16:$src),
4229 "lmsw{w}\t$src", []>, TB;
4230 def LMSW16m : I<0x01, MRM6m, (outs), (ins i16mem:$src),
4231 "lmsw{w}\t$src", []>, TB;
4233 def CPUID : I<0xA2, RawFrm, (outs), (ins), "cpuid", []>, TB;
4235 // Cache instructions
4237 def INVD : I<0x08, RawFrm, (outs), (ins), "invd", []>, TB;
4238 def WBINVD : I<0x09, RawFrm, (outs), (ins), "wbinvd", []>, TB;
4243 def INVEPT : I<0x80, RawFrm, (outs), (ins), "invept", []>, OpSize, T8;
4245 def INVVPID : I<0x81, RawFrm, (outs), (ins), "invvpid", []>, OpSize, T8;
4247 def VMCALL : I<0x01, MRM_C1, (outs), (ins), "vmcall", []>, TB;
4248 def VMCLEARm : I<0xC7, MRM6m, (outs), (ins i64mem:$vmcs),
4249 "vmclear\t$vmcs", []>, OpSize, TB;
4251 def VMLAUNCH : I<0x01, MRM_C2, (outs), (ins), "vmlaunch", []>, TB;
4253 def VMRESUME : I<0x01, MRM_C3, (outs), (ins), "vmresume", []>, TB;
4254 def VMPTRLDm : I<0xC7, MRM6m, (outs), (ins i64mem:$vmcs),
4255 "vmptrld\t$vmcs", []>, TB;
4256 def VMPTRSTm : I<0xC7, MRM7m, (outs i64mem:$vmcs), (ins),
4257 "vmptrst\t$vmcs", []>, TB;
4258 def VMREAD64rm : I<0x78, MRMDestMem, (outs i64mem:$dst), (ins GR64:$src),
4259 "vmread{q}\t{$src, $dst|$dst, $src}", []>, TB;
4260 def VMREAD64rr : I<0x78, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
4261 "vmread{q}\t{$src, $dst|$dst, $src}", []>, TB;
4262 def VMREAD32rm : I<0x78, MRMDestMem, (outs i32mem:$dst), (ins GR32:$src),
4263 "vmread{l}\t{$src, $dst|$dst, $src}", []>, TB;
4264 def VMREAD32rr : I<0x78, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
4265 "vmread{l}\t{$src, $dst|$dst, $src}", []>, TB;
4266 def VMWRITE64rm : I<0x79, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
4267 "vmwrite{q}\t{$src, $dst|$dst, $src}", []>, TB;
4268 def VMWRITE64rr : I<0x79, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
4269 "vmwrite{q}\t{$src, $dst|$dst, $src}", []>, TB;
4270 def VMWRITE32rm : I<0x79, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
4271 "vmwrite{l}\t{$src, $dst|$dst, $src}", []>, TB;
4272 def VMWRITE32rr : I<0x79, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4273 "vmwrite{l}\t{$src, $dst|$dst, $src}", []>, TB;
4275 def VMXOFF : I<0x01, MRM_C4, (outs), (ins), "vmxoff", []>, TB;
4276 def VMXON : I<0xC7, MRM6m, (outs), (ins i64mem:$vmxon),
4277 "vmxon\t{$vmxon}", []>, XS;
4279 //===----------------------------------------------------------------------===//
4280 // Non-Instruction Patterns
4281 //===----------------------------------------------------------------------===//
4283 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
4284 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
4285 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
4286 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
4287 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
4288 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
4289 def : Pat<(i32 (X86Wrapper tblockaddress:$dst)), (MOV32ri tblockaddress:$dst)>;
4291 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
4292 (ADD32ri GR32:$src1, tconstpool:$src2)>;
4293 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
4294 (ADD32ri GR32:$src1, tjumptable:$src2)>;
4295 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
4296 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
4297 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
4298 (ADD32ri GR32:$src1, texternalsym:$src2)>;
4299 def : Pat<(add GR32:$src1, (X86Wrapper tblockaddress:$src2)),
4300 (ADD32ri GR32:$src1, tblockaddress:$src2)>;
4302 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
4303 (MOV32mi addr:$dst, tglobaladdr:$src)>;
4304 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
4305 (MOV32mi addr:$dst, texternalsym:$src)>;
4306 def : Pat<(store (i32 (X86Wrapper tblockaddress:$src)), addr:$dst),
4307 (MOV32mi addr:$dst, tblockaddress:$src)>;
4311 def : Pat<(X86tcret GR32_TC:$dst, imm:$off),
4312 (TCRETURNri GR32_TC:$dst, imm:$off)>,
4313 Requires<[In32BitMode]>;
4315 // FIXME: This is disabled for 32-bit PIC mode because the global base
4316 // register which is part of the address mode may be assigned a
4317 // callee-saved register.
4318 def : Pat<(X86tcret (load addr:$dst), imm:$off),
4319 (TCRETURNmi addr:$dst, imm:$off)>,
4320 Requires<[In32BitMode, IsNotPIC]>;
4322 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
4323 (TCRETURNdi texternalsym:$dst, imm:$off)>,
4324 Requires<[In32BitMode]>;
4326 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
4327 (TCRETURNdi texternalsym:$dst, imm:$off)>,
4328 Requires<[In32BitMode]>;
4330 // Normal calls, with various flavors of addresses.
4331 def : Pat<(X86call (i32 tglobaladdr:$dst)),
4332 (CALLpcrel32 tglobaladdr:$dst)>;
4333 def : Pat<(X86call (i32 texternalsym:$dst)),
4334 (CALLpcrel32 texternalsym:$dst)>;
4335 def : Pat<(X86call (i32 imm:$dst)),
4336 (CALLpcrel32 imm:$dst)>, Requires<[CallImmAddr]>;
4338 // X86 specific add which produces a flag.
4339 def : Pat<(addc GR32:$src1, GR32:$src2),
4340 (ADD32rr GR32:$src1, GR32:$src2)>;
4341 def : Pat<(addc GR32:$src1, (load addr:$src2)),
4342 (ADD32rm GR32:$src1, addr:$src2)>;
4343 def : Pat<(addc GR32:$src1, imm:$src2),
4344 (ADD32ri GR32:$src1, imm:$src2)>;
4345 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
4346 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4348 def : Pat<(subc GR32:$src1, GR32:$src2),
4349 (SUB32rr GR32:$src1, GR32:$src2)>;
4350 def : Pat<(subc GR32:$src1, (load addr:$src2)),
4351 (SUB32rm GR32:$src1, addr:$src2)>;
4352 def : Pat<(subc GR32:$src1, imm:$src2),
4353 (SUB32ri GR32:$src1, imm:$src2)>;
4354 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
4355 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4359 // TEST R,R is smaller than CMP R,0
4360 def : Pat<(X86cmp GR8:$src1, 0),
4361 (TEST8rr GR8:$src1, GR8:$src1)>;
4362 def : Pat<(X86cmp GR16:$src1, 0),
4363 (TEST16rr GR16:$src1, GR16:$src1)>;
4364 def : Pat<(X86cmp GR32:$src1, 0),
4365 (TEST32rr GR32:$src1, GR32:$src1)>;
4367 // Conditional moves with folded loads with operands swapped and conditions
4369 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_B, EFLAGS),
4370 (CMOVAE16rm GR16:$src2, addr:$src1)>;
4371 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_B, EFLAGS),
4372 (CMOVAE32rm GR32:$src2, addr:$src1)>;
4373 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_AE, EFLAGS),
4374 (CMOVB16rm GR16:$src2, addr:$src1)>;
4375 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_AE, EFLAGS),
4376 (CMOVB32rm GR32:$src2, addr:$src1)>;
4377 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_E, EFLAGS),
4378 (CMOVNE16rm GR16:$src2, addr:$src1)>;
4379 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_E, EFLAGS),
4380 (CMOVNE32rm GR32:$src2, addr:$src1)>;
4381 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NE, EFLAGS),
4382 (CMOVE16rm GR16:$src2, addr:$src1)>;
4383 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NE, EFLAGS),
4384 (CMOVE32rm GR32:$src2, addr:$src1)>;
4385 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_BE, EFLAGS),
4386 (CMOVA16rm GR16:$src2, addr:$src1)>;
4387 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_BE, EFLAGS),
4388 (CMOVA32rm GR32:$src2, addr:$src1)>;
4389 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_A, EFLAGS),
4390 (CMOVBE16rm GR16:$src2, addr:$src1)>;
4391 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_A, EFLAGS),
4392 (CMOVBE32rm GR32:$src2, addr:$src1)>;
4393 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_L, EFLAGS),
4394 (CMOVGE16rm GR16:$src2, addr:$src1)>;
4395 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_L, EFLAGS),
4396 (CMOVGE32rm GR32:$src2, addr:$src1)>;
4397 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_GE, EFLAGS),
4398 (CMOVL16rm GR16:$src2, addr:$src1)>;
4399 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_GE, EFLAGS),
4400 (CMOVL32rm GR32:$src2, addr:$src1)>;
4401 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_LE, EFLAGS),
4402 (CMOVG16rm GR16:$src2, addr:$src1)>;
4403 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_LE, EFLAGS),
4404 (CMOVG32rm GR32:$src2, addr:$src1)>;
4405 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_G, EFLAGS),
4406 (CMOVLE16rm GR16:$src2, addr:$src1)>;
4407 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_G, EFLAGS),
4408 (CMOVLE32rm GR32:$src2, addr:$src1)>;
4409 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_P, EFLAGS),
4410 (CMOVNP16rm GR16:$src2, addr:$src1)>;
4411 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_P, EFLAGS),
4412 (CMOVNP32rm GR32:$src2, addr:$src1)>;
4413 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NP, EFLAGS),
4414 (CMOVP16rm GR16:$src2, addr:$src1)>;
4415 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NP, EFLAGS),
4416 (CMOVP32rm GR32:$src2, addr:$src1)>;
4417 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_S, EFLAGS),
4418 (CMOVNS16rm GR16:$src2, addr:$src1)>;
4419 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_S, EFLAGS),
4420 (CMOVNS32rm GR32:$src2, addr:$src1)>;
4421 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NS, EFLAGS),
4422 (CMOVS16rm GR16:$src2, addr:$src1)>;
4423 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NS, EFLAGS),
4424 (CMOVS32rm GR32:$src2, addr:$src1)>;
4425 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_O, EFLAGS),
4426 (CMOVNO16rm GR16:$src2, addr:$src1)>;
4427 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_O, EFLAGS),
4428 (CMOVNO32rm GR32:$src2, addr:$src1)>;
4429 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NO, EFLAGS),
4430 (CMOVO16rm GR16:$src2, addr:$src1)>;
4431 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NO, EFLAGS),
4432 (CMOVO32rm GR32:$src2, addr:$src1)>;
4434 // zextload bool -> zextload byte
4435 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
4436 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
4437 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
4439 // extload bool -> extload byte
4440 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
4441 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
4442 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
4443 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>;
4444 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
4445 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
4447 // anyext. Define these to do an explicit zero-extend to
4448 // avoid partial-register updates.
4449 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>;
4450 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>;
4452 // Except for i16 -> i32 since isel expect i16 ops to be promoted to i32.
4453 def : Pat<(i32 (anyext GR16:$src)),
4454 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR16:$src, x86_subreg_16bit)>;
4457 //===----------------------------------------------------------------------===//
4459 //===----------------------------------------------------------------------===//
4461 // Odd encoding trick: -128 fits into an 8-bit immediate field while
4462 // +128 doesn't, so in this special case use a sub instead of an add.
4463 def : Pat<(add GR16:$src1, 128),
4464 (SUB16ri8 GR16:$src1, -128)>;
4465 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
4466 (SUB16mi8 addr:$dst, -128)>;
4467 def : Pat<(add GR32:$src1, 128),
4468 (SUB32ri8 GR32:$src1, -128)>;
4469 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
4470 (SUB32mi8 addr:$dst, -128)>;
4472 // r & (2^16-1) ==> movz
4473 def : Pat<(and GR32:$src1, 0xffff),
4474 (MOVZX32rr16 (EXTRACT_SUBREG GR32:$src1, x86_subreg_16bit))>;
4475 // r & (2^8-1) ==> movz
4476 def : Pat<(and GR32:$src1, 0xff),
4477 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src1,
4480 Requires<[In32BitMode]>;
4481 // r & (2^8-1) ==> movz
4482 def : Pat<(and GR16:$src1, 0xff),
4483 (MOVZX16rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src1,
4486 Requires<[In32BitMode]>;
4488 // sext_inreg patterns
4489 def : Pat<(sext_inreg GR32:$src, i16),
4490 (MOVSX32rr16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
4491 def : Pat<(sext_inreg GR32:$src, i8),
4492 (MOVSX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4495 Requires<[In32BitMode]>;
4496 def : Pat<(sext_inreg GR16:$src, i8),
4497 (MOVSX16rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4500 Requires<[In32BitMode]>;
4503 def : Pat<(i16 (trunc GR32:$src)),
4504 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit)>;
4505 def : Pat<(i8 (trunc GR32:$src)),
4506 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src, GR32_ABCD)),
4508 Requires<[In32BitMode]>;
4509 def : Pat<(i8 (trunc GR16:$src)),
4510 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4512 Requires<[In32BitMode]>;
4514 // h-register tricks
4515 def : Pat<(i8 (trunc (srl_su GR16:$src, (i8 8)))),
4516 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4517 x86_subreg_8bit_hi)>,
4518 Requires<[In32BitMode]>;
4519 def : Pat<(i8 (trunc (srl_su GR32:$src, (i8 8)))),
4520 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src, GR32_ABCD)),
4521 x86_subreg_8bit_hi)>,
4522 Requires<[In32BitMode]>;
4523 def : Pat<(srl GR16:$src, (i8 8)),
4526 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4527 x86_subreg_8bit_hi)),
4529 Requires<[In32BitMode]>;
4530 def : Pat<(i32 (zext (srl_su GR16:$src, (i8 8)))),
4531 (MOVZX32rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4533 x86_subreg_8bit_hi))>,
4534 Requires<[In32BitMode]>;
4535 def : Pat<(i32 (anyext (srl_su GR16:$src, (i8 8)))),
4536 (MOVZX32rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4538 x86_subreg_8bit_hi))>,
4539 Requires<[In32BitMode]>;
4540 def : Pat<(and (srl_su GR32:$src, (i8 8)), (i32 255)),
4541 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4543 x86_subreg_8bit_hi))>,
4544 Requires<[In32BitMode]>;
4545 def : Pat<(srl (and_su GR32:$src, 0xff00), (i8 8)),
4546 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4548 x86_subreg_8bit_hi))>,
4549 Requires<[In32BitMode]>;
4551 // (shl x, 1) ==> (add x, x)
4552 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
4553 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
4554 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
4556 // (shl x (and y, 31)) ==> (shl x, y)
4557 def : Pat<(shl GR8:$src1, (and CL, 31)),
4558 (SHL8rCL GR8:$src1)>;
4559 def : Pat<(shl GR16:$src1, (and CL, 31)),
4560 (SHL16rCL GR16:$src1)>;
4561 def : Pat<(shl GR32:$src1, (and CL, 31)),
4562 (SHL32rCL GR32:$src1)>;
4563 def : Pat<(store (shl (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4564 (SHL8mCL addr:$dst)>;
4565 def : Pat<(store (shl (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4566 (SHL16mCL addr:$dst)>;
4567 def : Pat<(store (shl (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4568 (SHL32mCL addr:$dst)>;
4570 def : Pat<(srl GR8:$src1, (and CL, 31)),
4571 (SHR8rCL GR8:$src1)>;
4572 def : Pat<(srl GR16:$src1, (and CL, 31)),
4573 (SHR16rCL GR16:$src1)>;
4574 def : Pat<(srl GR32:$src1, (and CL, 31)),
4575 (SHR32rCL GR32:$src1)>;
4576 def : Pat<(store (srl (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4577 (SHR8mCL addr:$dst)>;
4578 def : Pat<(store (srl (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4579 (SHR16mCL addr:$dst)>;
4580 def : Pat<(store (srl (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4581 (SHR32mCL addr:$dst)>;
4583 def : Pat<(sra GR8:$src1, (and CL, 31)),
4584 (SAR8rCL GR8:$src1)>;
4585 def : Pat<(sra GR16:$src1, (and CL, 31)),
4586 (SAR16rCL GR16:$src1)>;
4587 def : Pat<(sra GR32:$src1, (and CL, 31)),
4588 (SAR32rCL GR32:$src1)>;
4589 def : Pat<(store (sra (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4590 (SAR8mCL addr:$dst)>;
4591 def : Pat<(store (sra (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4592 (SAR16mCL addr:$dst)>;
4593 def : Pat<(store (sra (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4594 (SAR32mCL addr:$dst)>;
4596 // (anyext (setcc_carry)) -> (setcc_carry)
4597 def : Pat<(i16 (anyext (i8 (X86setcc_c X86_COND_B, EFLAGS)))),
4599 def : Pat<(i32 (anyext (i8 (X86setcc_c X86_COND_B, EFLAGS)))),
4601 def : Pat<(i32 (anyext (i16 (X86setcc_c X86_COND_B, EFLAGS)))),
4604 // (or x1, x2) -> (add x1, x2) if two operands are known not to share bits.
4605 let AddedComplexity = 5 in { // Try this before the selecting to OR
4606 def : Pat<(or_is_add GR16:$src1, imm:$src2),
4607 (ADD16ri GR16:$src1, imm:$src2)>;
4608 def : Pat<(or_is_add GR32:$src1, imm:$src2),
4609 (ADD32ri GR32:$src1, imm:$src2)>;
4610 def : Pat<(or_is_add GR16:$src1, i16immSExt8:$src2),
4611 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4612 def : Pat<(or_is_add GR32:$src1, i32immSExt8:$src2),
4613 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4614 def : Pat<(or_is_add GR16:$src1, GR16:$src2),
4615 (ADD16rr GR16:$src1, GR16:$src2)>;
4616 def : Pat<(or_is_add GR32:$src1, GR32:$src2),
4617 (ADD32rr GR32:$src1, GR32:$src2)>;
4618 } // AddedComplexity
4620 //===----------------------------------------------------------------------===//
4621 // EFLAGS-defining Patterns
4622 //===----------------------------------------------------------------------===//
4625 def : Pat<(add GR8 :$src1, GR8 :$src2), (ADD8rr GR8 :$src1, GR8 :$src2)>;
4626 def : Pat<(add GR16:$src1, GR16:$src2), (ADD16rr GR16:$src1, GR16:$src2)>;
4627 def : Pat<(add GR32:$src1, GR32:$src2), (ADD32rr GR32:$src1, GR32:$src2)>;
4630 def : Pat<(add GR8:$src1, (loadi8 addr:$src2)),
4631 (ADD8rm GR8:$src1, addr:$src2)>;
4632 def : Pat<(add GR16:$src1, (loadi16 addr:$src2)),
4633 (ADD16rm GR16:$src1, addr:$src2)>;
4634 def : Pat<(add GR32:$src1, (loadi32 addr:$src2)),
4635 (ADD32rm GR32:$src1, addr:$src2)>;
4638 def : Pat<(add GR8 :$src1, imm:$src2), (ADD8ri GR8:$src1 , imm:$src2)>;
4639 def : Pat<(add GR16:$src1, imm:$src2), (ADD16ri GR16:$src1, imm:$src2)>;
4640 def : Pat<(add GR32:$src1, imm:$src2), (ADD32ri GR32:$src1, imm:$src2)>;
4641 def : Pat<(add GR16:$src1, i16immSExt8:$src2),
4642 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4643 def : Pat<(add GR32:$src1, i32immSExt8:$src2),
4644 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4647 def : Pat<(sub GR8 :$src1, GR8 :$src2), (SUB8rr GR8 :$src1, GR8 :$src2)>;
4648 def : Pat<(sub GR16:$src1, GR16:$src2), (SUB16rr GR16:$src1, GR16:$src2)>;
4649 def : Pat<(sub GR32:$src1, GR32:$src2), (SUB32rr GR32:$src1, GR32:$src2)>;
4652 def : Pat<(sub GR8:$src1, (loadi8 addr:$src2)),
4653 (SUB8rm GR8:$src1, addr:$src2)>;
4654 def : Pat<(sub GR16:$src1, (loadi16 addr:$src2)),
4655 (SUB16rm GR16:$src1, addr:$src2)>;
4656 def : Pat<(sub GR32:$src1, (loadi32 addr:$src2)),
4657 (SUB32rm GR32:$src1, addr:$src2)>;
4660 def : Pat<(sub GR8:$src1, imm:$src2),
4661 (SUB8ri GR8:$src1, imm:$src2)>;
4662 def : Pat<(sub GR16:$src1, imm:$src2),
4663 (SUB16ri GR16:$src1, imm:$src2)>;
4664 def : Pat<(sub GR32:$src1, imm:$src2),
4665 (SUB32ri GR32:$src1, imm:$src2)>;
4666 def : Pat<(sub GR16:$src1, i16immSExt8:$src2),
4667 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
4668 def : Pat<(sub GR32:$src1, i32immSExt8:$src2),
4669 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4672 def : Pat<(mul GR16:$src1, GR16:$src2),
4673 (IMUL16rr GR16:$src1, GR16:$src2)>;
4674 def : Pat<(mul GR32:$src1, GR32:$src2),
4675 (IMUL32rr GR32:$src1, GR32:$src2)>;
4678 def : Pat<(mul GR16:$src1, (loadi16 addr:$src2)),
4679 (IMUL16rm GR16:$src1, addr:$src2)>;
4680 def : Pat<(mul GR32:$src1, (loadi32 addr:$src2)),
4681 (IMUL32rm GR32:$src1, addr:$src2)>;
4684 def : Pat<(mul GR16:$src1, imm:$src2),
4685 (IMUL16rri GR16:$src1, imm:$src2)>;
4686 def : Pat<(mul GR32:$src1, imm:$src2),
4687 (IMUL32rri GR32:$src1, imm:$src2)>;
4688 def : Pat<(mul GR16:$src1, i16immSExt8:$src2),
4689 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
4690 def : Pat<(mul GR32:$src1, i32immSExt8:$src2),
4691 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
4693 // reg = mul mem, imm
4694 def : Pat<(mul (loadi16 addr:$src1), imm:$src2),
4695 (IMUL16rmi addr:$src1, imm:$src2)>;
4696 def : Pat<(mul (loadi32 addr:$src1), imm:$src2),
4697 (IMUL32rmi addr:$src1, imm:$src2)>;
4698 def : Pat<(mul (loadi16 addr:$src1), i16immSExt8:$src2),
4699 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
4700 def : Pat<(mul (loadi32 addr:$src1), i32immSExt8:$src2),
4701 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
4703 // Optimize multiply by 2 with EFLAGS result.
4704 let AddedComplexity = 2 in {
4705 def : Pat<(X86smul_flag GR16:$src1, 2), (ADD16rr GR16:$src1, GR16:$src1)>;
4706 def : Pat<(X86smul_flag GR32:$src1, 2), (ADD32rr GR32:$src1, GR32:$src1)>;
4709 // Patterns for nodes that do not produce flags, for instructions that do.
4712 def : Pat<(add GR8:$src , 1), (INC8r GR8:$src)>;
4713 def : Pat<(add GR16:$src, 1), (INC16r GR16:$src)>, Requires<[In32BitMode]>;
4714 def : Pat<(add GR32:$src, 1), (INC32r GR32:$src)>, Requires<[In32BitMode]>;
4717 def : Pat<(add GR8:$src , -1), (DEC8r GR8:$src)>;
4718 def : Pat<(add GR16:$src, -1), (DEC16r GR16:$src)>, Requires<[In32BitMode]>;
4719 def : Pat<(add GR32:$src, -1), (DEC32r GR32:$src)>, Requires<[In32BitMode]>;
4722 def : Pat<(or GR8 :$src1, GR8 :$src2), (OR8rr GR8 :$src1, GR8 :$src2)>;
4723 def : Pat<(or GR16:$src1, GR16:$src2), (OR16rr GR16:$src1, GR16:$src2)>;
4724 def : Pat<(or GR32:$src1, GR32:$src2), (OR32rr GR32:$src1, GR32:$src2)>;
4727 def : Pat<(or GR8:$src1, (loadi8 addr:$src2)),
4728 (OR8rm GR8:$src1, addr:$src2)>;
4729 def : Pat<(or GR16:$src1, (loadi16 addr:$src2)),
4730 (OR16rm GR16:$src1, addr:$src2)>;
4731 def : Pat<(or GR32:$src1, (loadi32 addr:$src2)),
4732 (OR32rm GR32:$src1, addr:$src2)>;
4735 def : Pat<(or GR8:$src1 , imm:$src2), (OR8ri GR8 :$src1, imm:$src2)>;
4736 def : Pat<(or GR16:$src1, imm:$src2), (OR16ri GR16:$src1, imm:$src2)>;
4737 def : Pat<(or GR32:$src1, imm:$src2), (OR32ri GR32:$src1, imm:$src2)>;
4738 def : Pat<(or GR16:$src1, i16immSExt8:$src2),
4739 (OR16ri8 GR16:$src1, i16immSExt8:$src2)>;
4740 def : Pat<(or GR32:$src1, i32immSExt8:$src2),
4741 (OR32ri8 GR32:$src1, i32immSExt8:$src2)>;
4744 def : Pat<(xor GR8 :$src1, GR8 :$src2), (XOR8rr GR8 :$src1, GR8 :$src2)>;
4745 def : Pat<(xor GR16:$src1, GR16:$src2), (XOR16rr GR16:$src1, GR16:$src2)>;
4746 def : Pat<(xor GR32:$src1, GR32:$src2), (XOR32rr GR32:$src1, GR32:$src2)>;
4749 def : Pat<(xor GR8:$src1, (loadi8 addr:$src2)),
4750 (XOR8rm GR8:$src1, addr:$src2)>;
4751 def : Pat<(xor GR16:$src1, (loadi16 addr:$src2)),
4752 (XOR16rm GR16:$src1, addr:$src2)>;
4753 def : Pat<(xor GR32:$src1, (loadi32 addr:$src2)),
4754 (XOR32rm GR32:$src1, addr:$src2)>;
4757 def : Pat<(xor GR8:$src1, imm:$src2),
4758 (XOR8ri GR8:$src1, imm:$src2)>;
4759 def : Pat<(xor GR16:$src1, imm:$src2),
4760 (XOR16ri GR16:$src1, imm:$src2)>;
4761 def : Pat<(xor GR32:$src1, imm:$src2),
4762 (XOR32ri GR32:$src1, imm:$src2)>;
4763 def : Pat<(xor GR16:$src1, i16immSExt8:$src2),
4764 (XOR16ri8 GR16:$src1, i16immSExt8:$src2)>;
4765 def : Pat<(xor GR32:$src1, i32immSExt8:$src2),
4766 (XOR32ri8 GR32:$src1, i32immSExt8:$src2)>;
4769 def : Pat<(and GR8 :$src1, GR8 :$src2), (AND8rr GR8 :$src1, GR8 :$src2)>;
4770 def : Pat<(and GR16:$src1, GR16:$src2), (AND16rr GR16:$src1, GR16:$src2)>;
4771 def : Pat<(and GR32:$src1, GR32:$src2), (AND32rr GR32:$src1, GR32:$src2)>;
4774 def : Pat<(and GR8:$src1, (loadi8 addr:$src2)),
4775 (AND8rm GR8:$src1, addr:$src2)>;
4776 def : Pat<(and GR16:$src1, (loadi16 addr:$src2)),
4777 (AND16rm GR16:$src1, addr:$src2)>;
4778 def : Pat<(and GR32:$src1, (loadi32 addr:$src2)),
4779 (AND32rm GR32:$src1, addr:$src2)>;
4782 def : Pat<(and GR8:$src1, imm:$src2),
4783 (AND8ri GR8:$src1, imm:$src2)>;
4784 def : Pat<(and GR16:$src1, imm:$src2),
4785 (AND16ri GR16:$src1, imm:$src2)>;
4786 def : Pat<(and GR32:$src1, imm:$src2),
4787 (AND32ri GR32:$src1, imm:$src2)>;
4788 def : Pat<(and GR16:$src1, i16immSExt8:$src2),
4789 (AND16ri8 GR16:$src1, i16immSExt8:$src2)>;
4790 def : Pat<(and GR32:$src1, i32immSExt8:$src2),
4791 (AND32ri8 GR32:$src1, i32immSExt8:$src2)>;
4793 // -disable-16bit support.
4794 def : Pat<(truncstorei16 (i16 imm:$src), addr:$dst),
4795 (MOV16mi addr:$dst, imm:$src)>;
4796 def : Pat<(truncstorei16 GR32:$src, addr:$dst),
4797 (MOV16mr addr:$dst, (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
4798 def : Pat<(i32 (sextloadi16 addr:$dst)),
4799 (MOVSX32rm16 addr:$dst)>;
4800 def : Pat<(i32 (zextloadi16 addr:$dst)),
4801 (MOVZX32rm16 addr:$dst)>;
4802 def : Pat<(i32 (extloadi16 addr:$dst)),
4803 (MOVZX32rm16 addr:$dst)>;
4805 //===----------------------------------------------------------------------===//
4806 // Floating Point Stack Support
4807 //===----------------------------------------------------------------------===//
4809 include "X86InstrFPStack.td"
4811 //===----------------------------------------------------------------------===//
4813 //===----------------------------------------------------------------------===//
4815 include "X86Instr64bit.td"
4817 //===----------------------------------------------------------------------===//
4818 // SIMD support (SSE, MMX and AVX)
4819 //===----------------------------------------------------------------------===//
4821 include "X86InstrFragmentsSIMD.td"
4823 //===----------------------------------------------------------------------===//
4824 // XMM Floating point support (requires SSE / SSE2)
4825 //===----------------------------------------------------------------------===//
4827 include "X86InstrSSE.td"
4829 //===----------------------------------------------------------------------===//
4830 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
4831 //===----------------------------------------------------------------------===//
4833 include "X86InstrMMX.td"