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_X86TLSCALL : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
77 def SDT_X86SegmentBaseAddress : SDTypeProfile<1, 1, [SDTCisPtrTy<0>]>;
79 def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
81 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
83 def SDT_X86MEMBARRIER : SDTypeProfile<0, 0, []>;
84 def SDT_X86MEMBARRIERNoSSE : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
86 def X86MemBarrier : SDNode<"X86ISD::MEMBARRIER", SDT_X86MEMBARRIER,
88 def X86MemBarrierNoSSE : SDNode<"X86ISD::MEMBARRIER", SDT_X86MEMBARRIERNoSSE,
90 def X86MFence : SDNode<"X86ISD::MFENCE", SDT_X86MEMBARRIER,
92 def X86SFence : SDNode<"X86ISD::SFENCE", SDT_X86MEMBARRIER,
94 def X86LFence : SDNode<"X86ISD::LFENCE", SDT_X86MEMBARRIER,
98 def X86bsf : SDNode<"X86ISD::BSF", SDTUnaryArithWithFlags>;
99 def X86bsr : SDNode<"X86ISD::BSR", SDTUnaryArithWithFlags>;
100 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
101 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
103 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
104 def X86bt : SDNode<"X86ISD::BT", SDTX86CmpTest>;
106 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
107 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
109 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
110 def X86setcc_c : SDNode<"X86ISD::SETCC_CARRY", SDTX86SetCC_C>;
112 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
113 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
115 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86cas8,
116 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
118 def X86AtomAdd64 : SDNode<"X86ISD::ATOMADD64_DAG", SDTX86atomicBinary,
119 [SDNPHasChain, SDNPMayStore,
120 SDNPMayLoad, SDNPMemOperand]>;
121 def X86AtomSub64 : SDNode<"X86ISD::ATOMSUB64_DAG", SDTX86atomicBinary,
122 [SDNPHasChain, SDNPMayStore,
123 SDNPMayLoad, SDNPMemOperand]>;
124 def X86AtomOr64 : SDNode<"X86ISD::ATOMOR64_DAG", SDTX86atomicBinary,
125 [SDNPHasChain, SDNPMayStore,
126 SDNPMayLoad, SDNPMemOperand]>;
127 def X86AtomXor64 : SDNode<"X86ISD::ATOMXOR64_DAG", SDTX86atomicBinary,
128 [SDNPHasChain, SDNPMayStore,
129 SDNPMayLoad, SDNPMemOperand]>;
130 def X86AtomAnd64 : SDNode<"X86ISD::ATOMAND64_DAG", SDTX86atomicBinary,
131 [SDNPHasChain, SDNPMayStore,
132 SDNPMayLoad, SDNPMemOperand]>;
133 def X86AtomNand64 : SDNode<"X86ISD::ATOMNAND64_DAG", SDTX86atomicBinary,
134 [SDNPHasChain, SDNPMayStore,
135 SDNPMayLoad, SDNPMemOperand]>;
136 def X86AtomSwap64 : SDNode<"X86ISD::ATOMSWAP64_DAG", SDTX86atomicBinary,
137 [SDNPHasChain, SDNPMayStore,
138 SDNPMayLoad, SDNPMemOperand]>;
139 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
140 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
142 def X86vastart_save_xmm_regs :
143 SDNode<"X86ISD::VASTART_SAVE_XMM_REGS",
144 SDT_X86VASTART_SAVE_XMM_REGS,
145 [SDNPHasChain, SDNPVariadic]>;
147 def X86callseq_start :
148 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
149 [SDNPHasChain, SDNPOutFlag]>;
151 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
152 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
154 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
155 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag,
158 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
159 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore]>;
160 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
161 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
164 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG", SDTX86Void,
165 [SDNPHasChain, SDNPOutFlag, SDNPSideEffect]>;
167 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
168 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
170 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
171 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
172 def X86SegmentBaseAddress : SDNode<"X86ISD::SegmentBaseAddress",
173 SDT_X86SegmentBaseAddress, []>;
175 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
178 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
179 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
181 def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags,
183 def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
184 def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags,
186 def X86umul_flag : SDNode<"X86ISD::UMUL", SDTUnaryArithWithFlags,
189 def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>;
190 def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>;
191 def X86or_flag : SDNode<"X86ISD::OR", SDTBinaryArithWithFlags,
193 def X86xor_flag : SDNode<"X86ISD::XOR", SDTBinaryArithWithFlags,
195 def X86and_flag : SDNode<"X86ISD::AND", SDTBinaryArithWithFlags,
198 def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
200 def X86MingwAlloca : SDNode<"X86ISD::MINGW_ALLOCA", SDTX86Void,
201 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
203 def X86TLSCall : SDNode<"X86ISD::TLSCALL", SDT_X86TLSCALL,
206 //===----------------------------------------------------------------------===//
207 // X86 Operand Definitions.
210 // A version of ptr_rc which excludes SP, ESP, and RSP. This is used for
211 // the index operand of an address, to conform to x86 encoding restrictions.
212 def ptr_rc_nosp : PointerLikeRegClass<1>;
214 // *mem - Operand definitions for the funky X86 addressing mode operands.
216 def X86MemAsmOperand : AsmOperandClass {
218 let SuperClasses = [];
220 def X86AbsMemAsmOperand : AsmOperandClass {
222 let SuperClasses = [X86MemAsmOperand];
224 class X86MemOperand<string printMethod> : Operand<iPTR> {
225 let PrintMethod = printMethod;
226 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc_nosp, i32imm, i8imm);
227 let ParserMatchClass = X86MemAsmOperand;
230 def opaque32mem : X86MemOperand<"printopaquemem">;
231 def opaque48mem : X86MemOperand<"printopaquemem">;
232 def opaque80mem : X86MemOperand<"printopaquemem">;
233 def opaque512mem : X86MemOperand<"printopaquemem">;
235 def i8mem : X86MemOperand<"printi8mem">;
236 def i16mem : X86MemOperand<"printi16mem">;
237 def i32mem : X86MemOperand<"printi32mem">;
238 def i64mem : X86MemOperand<"printi64mem">;
239 def i128mem : X86MemOperand<"printi128mem">;
240 def i256mem : X86MemOperand<"printi256mem">;
241 def f32mem : X86MemOperand<"printf32mem">;
242 def f64mem : X86MemOperand<"printf64mem">;
243 def f80mem : X86MemOperand<"printf80mem">;
244 def f128mem : X86MemOperand<"printf128mem">;
245 def f256mem : X86MemOperand<"printf256mem">;
247 // A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
248 // plain GR64, so that it doesn't potentially require a REX prefix.
249 def i8mem_NOREX : Operand<i64> {
250 let PrintMethod = "printi8mem";
251 let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_NOREX_NOSP, i32imm, i8imm);
252 let ParserMatchClass = X86MemAsmOperand;
255 // Special i32mem for addresses of load folding tail calls. These are not
256 // allowed to use callee-saved registers since they must be scheduled
257 // after callee-saved register are popped.
258 def i32mem_TC : Operand<i32> {
259 let PrintMethod = "printi32mem";
260 let MIOperandInfo = (ops GR32_TC, i8imm, GR32_TC, i32imm, i8imm);
261 let ParserMatchClass = X86MemAsmOperand;
265 let ParserMatchClass = X86AbsMemAsmOperand,
266 PrintMethod = "print_pcrel_imm" in {
267 def i32imm_pcrel : Operand<i32>;
268 def i16imm_pcrel : Operand<i16>;
270 def offset8 : Operand<i64>;
271 def offset16 : Operand<i64>;
272 def offset32 : Operand<i64>;
273 def offset64 : Operand<i64>;
275 // Branch targets have OtherVT type and print as pc-relative values.
276 def brtarget : Operand<OtherVT>;
277 def brtarget8 : Operand<OtherVT>;
281 def SSECC : Operand<i8> {
282 let PrintMethod = "printSSECC";
285 class ImmSExtAsmOperandClass : AsmOperandClass {
286 let SuperClasses = [ImmAsmOperand];
287 let RenderMethod = "addImmOperands";
290 // Sign-extended immediate classes. We don't need to define the full lattice
291 // here because there is no instruction with an ambiguity between ImmSExti64i32
294 // The strange ranges come from the fact that the assembler always works with
295 // 64-bit immediates, but for a 16-bit target value we want to accept both "-1"
296 // (which will be a -1ULL), and "0xFF" (-1 in 16-bits).
299 // [0xFFFFFFFF80000000, 0xFFFFFFFFFFFFFFFF]
300 def ImmSExti64i32AsmOperand : ImmSExtAsmOperandClass {
301 let Name = "ImmSExti64i32";
304 // [0, 0x0000007F] | [0x000000000000FF80, 0x000000000000FFFF] |
305 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
306 def ImmSExti16i8AsmOperand : ImmSExtAsmOperandClass {
307 let Name = "ImmSExti16i8";
308 let SuperClasses = [ImmSExti64i32AsmOperand];
311 // [0, 0x0000007F] | [0x00000000FFFFFF80, 0x00000000FFFFFFFF] |
312 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
313 def ImmSExti32i8AsmOperand : ImmSExtAsmOperandClass {
314 let Name = "ImmSExti32i8";
318 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
319 def ImmSExti64i8AsmOperand : ImmSExtAsmOperandClass {
320 let Name = "ImmSExti64i8";
321 let SuperClasses = [ImmSExti16i8AsmOperand, ImmSExti32i8AsmOperand,
322 ImmSExti64i32AsmOperand];
325 // A couple of more descriptive operand definitions.
326 // 16-bits but only 8 bits are significant.
327 def i16i8imm : Operand<i16> {
328 let ParserMatchClass = ImmSExti16i8AsmOperand;
330 // 32-bits but only 8 bits are significant.
331 def i32i8imm : Operand<i32> {
332 let ParserMatchClass = ImmSExti32i8AsmOperand;
335 //===----------------------------------------------------------------------===//
336 // X86 Complex Pattern Definitions.
339 // Define X86 specific addressing mode.
340 def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], []>;
341 def lea32addr : ComplexPattern<i32, 5, "SelectLEAAddr",
342 [add, sub, mul, X86mul_imm, shl, or, frameindex],
344 def tls32addr : ComplexPattern<i32, 5, "SelectTLSADDRAddr",
345 [tglobaltlsaddr], []>;
347 //===----------------------------------------------------------------------===//
348 // X86 Instruction Predicate Definitions.
349 def HasCMov : Predicate<"Subtarget->hasCMov()">;
350 def NoCMov : Predicate<"!Subtarget->hasCMov()">;
352 // FIXME: temporary hack to let codegen assert or generate poor code in case
353 // no AVX version of the desired intructions is present, this is better for
354 // incremental dev (without fallbacks it's easier to spot what's missing)
355 def HasMMX : Predicate<"Subtarget->hasMMX() && !Subtarget->hasAVX()">;
356 def HasSSE1 : Predicate<"Subtarget->hasSSE1() && !Subtarget->hasAVX()">;
357 def HasSSE2 : Predicate<"Subtarget->hasSSE2() && !Subtarget->hasAVX()">;
358 def HasSSE3 : Predicate<"Subtarget->hasSSE3() && !Subtarget->hasAVX()">;
359 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3() && !Subtarget->hasAVX()">;
360 def HasSSE41 : Predicate<"Subtarget->hasSSE41() && !Subtarget->hasAVX()">;
361 def HasSSE42 : Predicate<"Subtarget->hasSSE42() && !Subtarget->hasAVX()">;
362 def HasSSE4A : Predicate<"Subtarget->hasSSE4A() && !Subtarget->hasAVX()">;
364 def HasAVX : Predicate<"Subtarget->hasAVX()">;
365 def HasCLMUL : Predicate<"Subtarget->hasCLMUL()">;
366 def HasFMA3 : Predicate<"Subtarget->hasFMA3()">;
367 def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
368 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
369 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
370 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
371 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
372 def IsWin64 : Predicate<"Subtarget->isTargetWin64()">;
373 def NotWin64 : Predicate<"!Subtarget->isTargetWin64()">;
374 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
375 def KernelCode : Predicate<"TM.getCodeModel() == CodeModel::Kernel">;
376 def FarData : Predicate<"TM.getCodeModel() != CodeModel::Small &&"
377 "TM.getCodeModel() != CodeModel::Kernel">;
378 def NearData : Predicate<"TM.getCodeModel() == CodeModel::Small ||"
379 "TM.getCodeModel() == CodeModel::Kernel">;
380 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
381 def IsNotPIC : Predicate<"TM.getRelocationModel() != Reloc::PIC_">;
382 def OptForSize : Predicate<"OptForSize">;
383 def OptForSpeed : Predicate<"!OptForSize">;
384 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
385 def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
386 def HasAES : Predicate<"Subtarget->hasAES()">;
388 //===----------------------------------------------------------------------===//
389 // X86 Instruction Format Definitions.
392 include "X86InstrFormats.td"
394 //===----------------------------------------------------------------------===//
395 // Pattern fragments...
398 // X86 specific condition code. These correspond to CondCode in
399 // X86InstrInfo.h. They must be kept in synch.
400 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
401 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
402 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
403 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
404 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
405 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
406 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
407 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
408 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
409 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
410 def X86_COND_NO : PatLeaf<(i8 10)>;
411 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
412 def X86_COND_NS : PatLeaf<(i8 12)>;
413 def X86_COND_O : PatLeaf<(i8 13)>;
414 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
415 def X86_COND_S : PatLeaf<(i8 15)>;
417 def immSext8 : PatLeaf<(imm), [{ return immSext8(N); }]>;
419 def i16immSExt8 : PatLeaf<(i16 immSext8)>;
420 def i32immSExt8 : PatLeaf<(i32 immSext8)>;
422 /// Load patterns: these constraint the match to the right address space.
423 def dsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
424 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
425 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
426 if (PT->getAddressSpace() > 255)
431 def gsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
432 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
433 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
434 return PT->getAddressSpace() == 256;
438 def fsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
439 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
440 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
441 return PT->getAddressSpace() == 257;
446 // Helper fragments for loads.
447 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
448 // known to be 32-bit aligned or better. Ditto for i8 to i16.
449 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
450 LoadSDNode *LD = cast<LoadSDNode>(N);
451 if (const Value *Src = LD->getSrcValue())
452 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
453 if (PT->getAddressSpace() > 255)
455 ISD::LoadExtType ExtType = LD->getExtensionType();
456 if (ExtType == ISD::NON_EXTLOAD)
458 if (ExtType == ISD::EXTLOAD)
459 return LD->getAlignment() >= 2 && !LD->isVolatile();
463 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)),[{
464 LoadSDNode *LD = cast<LoadSDNode>(N);
465 if (const Value *Src = LD->getSrcValue())
466 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
467 if (PT->getAddressSpace() > 255)
469 ISD::LoadExtType ExtType = LD->getExtensionType();
470 if (ExtType == ISD::EXTLOAD)
471 return LD->getAlignment() >= 2 && !LD->isVolatile();
475 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
476 LoadSDNode *LD = cast<LoadSDNode>(N);
477 if (const Value *Src = LD->getSrcValue())
478 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
479 if (PT->getAddressSpace() > 255)
481 ISD::LoadExtType ExtType = LD->getExtensionType();
482 if (ExtType == ISD::NON_EXTLOAD)
484 if (ExtType == ISD::EXTLOAD)
485 return LD->getAlignment() >= 4 && !LD->isVolatile();
489 def loadi8 : PatFrag<(ops node:$ptr), (i8 (dsload node:$ptr))>;
490 def loadi64 : PatFrag<(ops node:$ptr), (i64 (dsload node:$ptr))>;
491 def loadf32 : PatFrag<(ops node:$ptr), (f32 (dsload node:$ptr))>;
492 def loadf64 : PatFrag<(ops node:$ptr), (f64 (dsload node:$ptr))>;
493 def loadf80 : PatFrag<(ops node:$ptr), (f80 (dsload node:$ptr))>;
495 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
496 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
497 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
499 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
500 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
501 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
502 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
503 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
504 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
506 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
507 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
508 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
509 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
510 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
511 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
514 // An 'and' node with a single use.
515 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
516 return N->hasOneUse();
518 // An 'srl' node with a single use.
519 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
520 return N->hasOneUse();
522 // An 'trunc' node with a single use.
523 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
524 return N->hasOneUse();
527 // Treat an 'or' node is as an 'add' if the or'ed bits are known to be zero.
528 def or_is_add : PatFrag<(ops node:$lhs, node:$rhs), (or node:$lhs, node:$rhs),[{
529 if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N->getOperand(1)))
530 return CurDAG->MaskedValueIsZero(N->getOperand(0), CN->getAPIntValue());
532 unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits();
533 APInt Mask = APInt::getAllOnesValue(BitWidth);
534 APInt KnownZero0, KnownOne0;
535 CurDAG->ComputeMaskedBits(N->getOperand(0), Mask, KnownZero0, KnownOne0, 0);
536 APInt KnownZero1, KnownOne1;
537 CurDAG->ComputeMaskedBits(N->getOperand(1), Mask, KnownZero1, KnownOne1, 0);
538 return (~KnownZero0 & ~KnownZero1) == 0;
541 //===----------------------------------------------------------------------===//
542 // Instruction list...
545 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
546 // a stack adjustment and the codegen must know that they may modify the stack
547 // pointer before prolog-epilog rewriting occurs.
548 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
549 // sub / add which can clobber EFLAGS.
550 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
551 def ADJCALLSTACKDOWN32 : I<0, Pseudo, (outs), (ins i32imm:$amt),
553 [(X86callseq_start timm:$amt)]>,
554 Requires<[In32BitMode]>;
555 def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
557 [(X86callseq_end timm:$amt1, timm:$amt2)]>,
558 Requires<[In32BitMode]>;
561 // x86-64 va_start lowering magic.
562 let usesCustomInserter = 1 in {
563 def VASTART_SAVE_XMM_REGS : I<0, Pseudo,
566 i64imm:$regsavefi, i64imm:$offset,
568 "#VASTART_SAVE_XMM_REGS $al, $regsavefi, $offset",
569 [(X86vastart_save_xmm_regs GR8:$al,
573 // Dynamic stack allocation yields _alloca call for Cygwin/Mingw targets. Calls
574 // to _alloca is needed to probe the stack when allocating more than 4k bytes in
575 // one go. Touching the stack at 4K increments is necessary to ensure that the
576 // guard pages used by the OS virtual memory manager are allocated in correct
578 // The main point of having separate instruction are extra unmodelled effects
579 // (compared to ordinary calls) like stack pointer change.
581 let Defs = [EAX, ESP, EFLAGS], Uses = [ESP] in
582 def MINGW_ALLOCA : I<0, Pseudo, (outs), (ins),
583 "# dynamic stack allocation",
588 let neverHasSideEffects = 1 in {
589 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
590 def NOOPW : I<0x1f, MRM0m, (outs), (ins i16mem:$zero),
591 "nop{w}\t$zero", []>, TB, OpSize;
592 def NOOPL : I<0x1f, MRM0m, (outs), (ins i32mem:$zero),
593 "nop{l}\t$zero", []>, TB;
597 let Uses = [EFLAGS] in {
598 def INTO : I<0xce, RawFrm, (outs), (ins), "into", []>;
600 def INT3 : I<0xcc, RawFrm, (outs), (ins), "int3",
601 [(int_x86_int (i8 3))]>;
602 def INT : Ii8<0xcd, RawFrm, (outs), (ins i8imm:$trap), "int\t$trap",
603 [(int_x86_int imm:$trap)]>;
604 def IRET16 : I<0xcf, RawFrm, (outs), (ins), "iretw", []>, OpSize;
605 def IRET32 : I<0xcf, RawFrm, (outs), (ins), "iret{l|d}", []>;
607 // PIC base construction. This expands to code that looks like this:
610 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
611 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins i32imm:$label),
614 //===----------------------------------------------------------------------===//
615 // Control Flow Instructions.
618 // Return instructions.
619 let isTerminator = 1, isReturn = 1, isBarrier = 1,
620 hasCtrlDep = 1, FPForm = SpecialFP in {
621 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
624 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
626 [(X86retflag timm:$amt)]>;
627 def LRET : I <0xCB, RawFrm, (outs), (ins),
629 def LRETI : Ii16<0xCA, RawFrm, (outs), (ins i16imm:$amt),
633 // Unconditional branches.
634 let isBarrier = 1, isBranch = 1, isTerminator = 1 in {
635 def JMP_4 : Ii32PCRel<0xE9, RawFrm, (outs), (ins brtarget:$dst),
636 "jmp\t$dst", [(br bb:$dst)]>;
637 def JMP_1 : Ii8PCRel<0xEB, RawFrm, (outs), (ins brtarget8:$dst),
641 // Conditional Branches.
642 let isBranch = 1, isTerminator = 1, Uses = [EFLAGS] in {
643 multiclass ICBr<bits<8> opc1, bits<8> opc4, string asm, PatFrag Cond> {
644 def _1 : Ii8PCRel <opc1, RawFrm, (outs), (ins brtarget8:$dst), asm, []>;
645 def _4 : Ii32PCRel<opc4, RawFrm, (outs), (ins brtarget:$dst), asm,
646 [(X86brcond bb:$dst, Cond, EFLAGS)]>, TB;
650 defm JO : ICBr<0x70, 0x80, "jo\t$dst" , X86_COND_O>;
651 defm JNO : ICBr<0x71, 0x81, "jno\t$dst" , X86_COND_NO>;
652 defm JB : ICBr<0x72, 0x82, "jb\t$dst" , X86_COND_B>;
653 defm JAE : ICBr<0x73, 0x83, "jae\t$dst", X86_COND_AE>;
654 defm JE : ICBr<0x74, 0x84, "je\t$dst" , X86_COND_E>;
655 defm JNE : ICBr<0x75, 0x85, "jne\t$dst", X86_COND_NE>;
656 defm JBE : ICBr<0x76, 0x86, "jbe\t$dst", X86_COND_BE>;
657 defm JA : ICBr<0x77, 0x87, "ja\t$dst" , X86_COND_A>;
658 defm JS : ICBr<0x78, 0x88, "js\t$dst" , X86_COND_S>;
659 defm JNS : ICBr<0x79, 0x89, "jns\t$dst", X86_COND_NS>;
660 defm JP : ICBr<0x7A, 0x8A, "jp\t$dst" , X86_COND_P>;
661 defm JNP : ICBr<0x7B, 0x8B, "jnp\t$dst", X86_COND_NP>;
662 defm JL : ICBr<0x7C, 0x8C, "jl\t$dst" , X86_COND_L>;
663 defm JGE : ICBr<0x7D, 0x8D, "jge\t$dst", X86_COND_GE>;
664 defm JLE : ICBr<0x7E, 0x8E, "jle\t$dst", X86_COND_LE>;
665 defm JG : ICBr<0x7F, 0x8F, "jg\t$dst" , X86_COND_G>;
667 // jcx/jecx/jrcx instructions.
668 let isAsmParserOnly = 1, isBranch = 1, isTerminator = 1 in {
669 // These are the 32-bit versions of this instruction for the asmparser. In
670 // 32-bit mode, the address size prefix is jcxz and the unprefixed version is
673 def JCXZ : Ii8PCRel<0xE3, RawFrm, (outs), (ins brtarget8:$dst),
674 "jcxz\t$dst", []>, AdSize, Requires<[In32BitMode]>;
676 def JECXZ_32 : Ii8PCRel<0xE3, RawFrm, (outs), (ins brtarget8:$dst),
677 "jecxz\t$dst", []>, Requires<[In32BitMode]>;
679 // J*CXZ instruction: 64-bit versions of this instruction for the asmparser.
680 // In 64-bit mode, the address size prefix is jecxz and the unprefixed version
683 def JECXZ_64 : Ii8PCRel<0xE3, RawFrm, (outs), (ins brtarget8:$dst),
684 "jecxz\t$dst", []>, AdSize, Requires<[In64BitMode]>;
686 def JRCXZ : Ii8PCRel<0xE3, RawFrm, (outs), (ins brtarget8:$dst),
687 "jrcxz\t$dst", []>, Requires<[In64BitMode]>;
692 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
693 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
694 [(brind GR32:$dst)]>, Requires<[In32BitMode]>;
695 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
696 [(brind (loadi32 addr:$dst))]>, Requires<[In32BitMode]>;
698 def FARJMP16i : Iseg16<0xEA, RawFrmImm16, (outs),
699 (ins i16imm:$off, i16imm:$seg),
700 "ljmp{w}\t{$seg, $off|$off, $seg}", []>, OpSize;
701 def FARJMP32i : Iseg32<0xEA, RawFrmImm16, (outs),
702 (ins i32imm:$off, i16imm:$seg),
703 "ljmp{l}\t{$seg, $off|$off, $seg}", []>;
705 def FARJMP16m : I<0xFF, MRM5m, (outs), (ins opaque32mem:$dst),
706 "ljmp{w}\t{*}$dst", []>, OpSize;
707 def FARJMP32m : I<0xFF, MRM5m, (outs), (ins opaque48mem:$dst),
708 "ljmp{l}\t{*}$dst", []>;
714 def LOOP : Ii8PCRel<0xE2, RawFrm, (outs), (ins brtarget8:$dst), "loop\t$dst", []>;
715 def LOOPE : Ii8PCRel<0xE1, RawFrm, (outs), (ins brtarget8:$dst), "loope\t$dst", []>;
716 def LOOPNE : Ii8PCRel<0xE0, RawFrm, (outs), (ins brtarget8:$dst), "loopne\t$dst", []>;
718 //===----------------------------------------------------------------------===//
719 // Call Instructions...
722 // All calls clobber the non-callee saved registers. ESP is marked as
723 // a use to prevent stack-pointer assignments that appear immediately
724 // before calls from potentially appearing dead. Uses for argument
725 // registers are added manually.
726 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
727 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
728 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
729 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
731 def CALLpcrel32 : Ii32PCRel<0xE8, RawFrm,
732 (outs), (ins i32imm_pcrel:$dst,variable_ops),
734 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
735 "call\t{*}$dst", [(X86call GR32:$dst)]>;
736 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
737 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
739 def FARCALL16i : Iseg16<0x9A, RawFrmImm16, (outs),
740 (ins i16imm:$off, i16imm:$seg),
741 "lcall{w}\t{$seg, $off|$off, $seg}", []>, OpSize;
742 def FARCALL32i : Iseg32<0x9A, RawFrmImm16, (outs),
743 (ins i32imm:$off, i16imm:$seg),
744 "lcall{l}\t{$seg, $off|$off, $seg}", []>;
746 def FARCALL16m : I<0xFF, MRM3m, (outs), (ins opaque32mem:$dst),
747 "lcall{w}\t{*}$dst", []>, OpSize;
748 def FARCALL32m : I<0xFF, MRM3m, (outs), (ins opaque48mem:$dst),
749 "lcall{l}\t{*}$dst", []>;
751 // callw for 16 bit code for the assembler.
752 let isAsmParserOnly = 1 in
753 def CALLpcrel16 : Ii16PCRel<0xE8, RawFrm,
754 (outs), (ins i16imm_pcrel:$dst, variable_ops),
755 "callw\t$dst", []>, OpSize;
758 // Constructing a stack frame.
760 def ENTER : I<0xC8, RawFrm, (outs), (ins i16imm:$len, i8imm:$lvl),
761 "enter\t$len, $lvl", []>;
765 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1,
767 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
768 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
769 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
770 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
772 def TCRETURNdi : I<0, Pseudo, (outs),
773 (ins i32imm_pcrel:$dst, i32imm:$offset, variable_ops),
774 "#TC_RETURN $dst $offset", []>;
775 def TCRETURNri : I<0, Pseudo, (outs),
776 (ins GR32_TC:$dst, i32imm:$offset, variable_ops),
777 "#TC_RETURN $dst $offset", []>;
779 def TCRETURNmi : I<0, Pseudo, (outs),
780 (ins i32mem_TC:$dst, i32imm:$offset, variable_ops),
781 "#TC_RETURN $dst $offset", []>;
783 // FIXME: The should be pseudo instructions that are lowered when going to
785 def TAILJMPd : Ii32PCRel<0xE9, RawFrm, (outs),
786 (ins i32imm_pcrel:$dst, variable_ops),
787 "jmp\t$dst # TAILCALL",
789 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32_TC:$dst, variable_ops),
790 "", []>; // FIXME: Remove encoding when JIT is dead.
792 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem_TC:$dst, variable_ops),
793 "jmp{l}\t{*}$dst # TAILCALL", []>;
796 //===----------------------------------------------------------------------===//
797 // Miscellaneous Instructions...
799 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
800 def LEAVE : I<0xC9, RawFrm,
801 (outs), (ins), "leave", []>, Requires<[In32BitMode]>;
803 def POPCNT16rr : I<0xB8, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
804 "popcnt{w}\t{$src, $dst|$dst, $src}", []>, OpSize, XS;
806 def POPCNT16rm : I<0xB8, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
807 "popcnt{w}\t{$src, $dst|$dst, $src}", []>, OpSize, XS;
808 def POPCNT32rr : I<0xB8, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
809 "popcnt{l}\t{$src, $dst|$dst, $src}", []>, XS;
811 def POPCNT32rm : I<0xB8, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
812 "popcnt{l}\t{$src, $dst|$dst, $src}", []>, XS;
814 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
816 def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
818 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
819 def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
821 def POP16rmm: I<0x8F, MRM0m, (outs i16mem:$dst), (ins), "pop{w}\t$dst", []>,
823 def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
824 def POP32rmm: I<0x8F, MRM0m, (outs i32mem:$dst), (ins), "pop{l}\t$dst", []>;
827 let mayStore = 1 in {
828 def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
830 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
831 def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
833 def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[]>,
835 def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
836 def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[]>;
840 let Defs = [ESP], Uses = [ESP], neverHasSideEffects = 1, mayStore = 1 in {
841 def PUSHi8 : Ii8<0x6a, RawFrm, (outs), (ins i32i8imm:$imm),
842 "push{l}\t$imm", []>;
843 def PUSHi16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
844 "push{w}\t$imm", []>, OpSize;
845 def PUSHi32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
846 "push{l}\t$imm", []>;
849 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in {
850 def POPF16 : I<0x9D, RawFrm, (outs), (ins), "popf{w}", []>, OpSize;
851 def POPF32 : I<0x9D, RawFrm, (outs), (ins), "popf{l|d}", []>,
852 Requires<[In32BitMode]>;
854 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in {
855 def PUSHF16 : I<0x9C, RawFrm, (outs), (ins), "pushf{w}", []>, OpSize;
856 def PUSHF32 : I<0x9C, RawFrm, (outs), (ins), "pushf{l|d}", []>,
857 Requires<[In32BitMode]>;
860 let Defs = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP], Uses = [ESP],
861 mayLoad=1, neverHasSideEffects=1 in {
862 def POPA32 : I<0x61, RawFrm, (outs), (ins), "popa{l}", []>,
863 Requires<[In32BitMode]>;
865 let Defs = [ESP], Uses = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP],
866 mayStore=1, neverHasSideEffects=1 in {
867 def PUSHA32 : I<0x60, RawFrm, (outs), (ins), "pusha{l}", []>,
868 Requires<[In32BitMode]>;
871 let Uses = [EFLAGS], Constraints = "$src = $dst" in // GR32 = bswap GR32
872 def BSWAP32r : I<0xC8, AddRegFrm,
873 (outs GR32:$dst), (ins GR32:$src),
875 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
878 // Bit scan instructions.
879 let Defs = [EFLAGS] in {
880 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
881 "bsf{w}\t{$src, $dst|$dst, $src}",
882 [(set GR16:$dst, EFLAGS, (X86bsf GR16:$src))]>, TB, OpSize;
883 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
884 "bsf{w}\t{$src, $dst|$dst, $src}",
885 [(set GR16:$dst, EFLAGS, (X86bsf (loadi16 addr:$src)))]>, TB,
887 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
888 "bsf{l}\t{$src, $dst|$dst, $src}",
889 [(set GR32:$dst, EFLAGS, (X86bsf GR32:$src))]>, TB;
890 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
891 "bsf{l}\t{$src, $dst|$dst, $src}",
892 [(set GR32:$dst, EFLAGS, (X86bsf (loadi32 addr:$src)))]>, TB;
894 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
895 "bsr{w}\t{$src, $dst|$dst, $src}",
896 [(set GR16:$dst, EFLAGS, (X86bsr GR16:$src))]>, TB, OpSize;
897 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
898 "bsr{w}\t{$src, $dst|$dst, $src}",
899 [(set GR16:$dst, EFLAGS, (X86bsr (loadi16 addr:$src)))]>, TB,
901 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
902 "bsr{l}\t{$src, $dst|$dst, $src}",
903 [(set GR32:$dst, EFLAGS, (X86bsr GR32:$src))]>, TB;
904 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
905 "bsr{l}\t{$src, $dst|$dst, $src}",
906 [(set GR32:$dst, EFLAGS, (X86bsr (loadi32 addr:$src)))]>, TB;
909 let neverHasSideEffects = 1 in
910 def LEA16r : I<0x8D, MRMSrcMem,
911 (outs GR16:$dst), (ins i32mem:$src),
912 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
913 let isReMaterializable = 1 in
914 def LEA32r : I<0x8D, MRMSrcMem,
915 (outs GR32:$dst), (ins i32mem:$src),
916 "lea{l}\t{$src|$dst}, {$dst|$src}",
917 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
919 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI], isCodeGenOnly = 1 in {
920 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
921 [(X86rep_movs i8)]>, REP;
922 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
923 [(X86rep_movs i16)]>, REP, OpSize;
924 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
925 [(X86rep_movs i32)]>, REP;
928 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
929 let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in {
930 def MOVSB : I<0xA4, RawFrm, (outs), (ins), "{movsb}", []>;
931 def MOVSW : I<0xA5, RawFrm, (outs), (ins), "{movsw}", []>, OpSize;
932 def MOVSD : I<0xA5, RawFrm, (outs), (ins), "{movsl|movsd}", []>;
935 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI], isCodeGenOnly = 1 in
936 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
937 [(X86rep_stos i8)]>, REP;
938 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI], isCodeGenOnly = 1 in
939 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
940 [(X86rep_stos i16)]>, REP, OpSize;
941 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI], isCodeGenOnly = 1 in
942 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
943 [(X86rep_stos i32)]>, REP;
945 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
946 let Defs = [EDI], Uses = [AL,EDI,EFLAGS] in
947 def STOSB : I<0xAA, RawFrm, (outs), (ins), "{stosb}", []>;
948 let Defs = [EDI], Uses = [AX,EDI,EFLAGS] in
949 def STOSW : I<0xAB, RawFrm, (outs), (ins), "{stosw}", []>, OpSize;
950 let Defs = [EDI], Uses = [EAX,EDI,EFLAGS] in
951 def STOSD : I<0xAB, RawFrm, (outs), (ins), "{stosl|stosd}", []>;
953 def SCAS8 : I<0xAE, RawFrm, (outs), (ins), "scas{b}", []>;
954 def SCAS16 : I<0xAF, RawFrm, (outs), (ins), "scas{w}", []>, OpSize;
955 def SCAS32 : I<0xAF, RawFrm, (outs), (ins), "scas{l}", []>;
957 def CMPS8 : I<0xA6, RawFrm, (outs), (ins), "cmps{b}", []>;
958 def CMPS16 : I<0xA7, RawFrm, (outs), (ins), "cmps{w}", []>, OpSize;
959 def CMPS32 : I<0xA7, RawFrm, (outs), (ins), "cmps{l}", []>;
961 let Defs = [RAX, RDX] in
962 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
965 let Defs = [RAX, RCX, RDX] in
966 def RDTSCP : I<0x01, MRM_F9, (outs), (ins), "rdtscp", []>, TB;
968 let isTerminator = 1, isBarrier = 1, hasCtrlDep = 1 in {
969 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
972 def SYSCALL : I<0x05, RawFrm,
973 (outs), (ins), "syscall", []>, TB;
974 def SYSRETL : I<0x07, RawFrm,
975 (outs), (ins), "sysretl", []>, TB;
976 def SYSENTER : I<0x34, RawFrm,
977 (outs), (ins), "sysenter", []>, TB;
978 def SYSEXIT : I<0x35, RawFrm,
979 (outs), (ins), "sysexit", []>, TB, Requires<[In32BitMode]>;
981 def WAIT : I<0x9B, RawFrm, (outs), (ins), "wait", []>;
984 //===----------------------------------------------------------------------===//
985 // Input/Output Instructions...
987 let Defs = [AL], Uses = [DX] in
988 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
989 "in{b}\t{%dx, %al|%AL, %DX}", []>;
990 let Defs = [AX], Uses = [DX] in
991 def IN16rr : I<0xED, RawFrm, (outs), (ins),
992 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
993 let Defs = [EAX], Uses = [DX] in
994 def IN32rr : I<0xED, RawFrm, (outs), (ins),
995 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
998 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i8imm:$port),
999 "in{b}\t{$port, %al|%AL, $port}", []>;
1001 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i8imm:$port),
1002 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
1004 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i8imm:$port),
1005 "in{l}\t{$port, %eax|%EAX, $port}", []>;
1007 let Uses = [DX, AL] in
1008 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
1009 "out{b}\t{%al, %dx|%DX, %AL}", []>;
1010 let Uses = [DX, AX] in
1011 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
1012 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
1013 let Uses = [DX, EAX] in
1014 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
1015 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
1018 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i8imm:$port),
1019 "out{b}\t{%al, $port|$port, %AL}", []>;
1021 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i8imm:$port),
1022 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
1024 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i8imm:$port),
1025 "out{l}\t{%eax, $port|$port, %EAX}", []>;
1027 def IN8 : I<0x6C, RawFrm, (outs), (ins),
1029 def IN16 : I<0x6D, RawFrm, (outs), (ins),
1030 "ins{w}", []>, OpSize;
1031 def IN32 : I<0x6D, RawFrm, (outs), (ins),
1034 //===----------------------------------------------------------------------===//
1035 // Move Instructions...
1037 let neverHasSideEffects = 1 in {
1038 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
1039 "mov{b}\t{$src, $dst|$dst, $src}", []>;
1040 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1041 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1042 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
1043 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1045 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
1046 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
1047 "mov{b}\t{$src, $dst|$dst, $src}",
1048 [(set GR8:$dst, imm:$src)]>;
1049 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
1050 "mov{w}\t{$src, $dst|$dst, $src}",
1051 [(set GR16:$dst, imm:$src)]>, OpSize;
1052 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
1053 "mov{l}\t{$src, $dst|$dst, $src}",
1054 [(set GR32:$dst, imm:$src)]>;
1057 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
1058 "mov{b}\t{$src, $dst|$dst, $src}",
1059 [(store (i8 imm:$src), addr:$dst)]>;
1060 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
1061 "mov{w}\t{$src, $dst|$dst, $src}",
1062 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
1063 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
1064 "mov{l}\t{$src, $dst|$dst, $src}",
1065 [(store (i32 imm:$src), addr:$dst)]>;
1067 /// moffs8, moffs16 and moffs32 versions of moves. The immediate is a
1068 /// 32-bit offset from the PC. These are only valid in x86-32 mode.
1069 def MOV8o8a : Ii32 <0xA0, RawFrm, (outs), (ins offset8:$src),
1070 "mov{b}\t{$src, %al|%al, $src}", []>,
1071 Requires<[In32BitMode]>;
1072 def MOV16o16a : Ii32 <0xA1, RawFrm, (outs), (ins offset16:$src),
1073 "mov{w}\t{$src, %ax|%ax, $src}", []>, OpSize,
1074 Requires<[In32BitMode]>;
1075 def MOV32o32a : Ii32 <0xA1, RawFrm, (outs), (ins offset32:$src),
1076 "mov{l}\t{$src, %eax|%eax, $src}", []>,
1077 Requires<[In32BitMode]>;
1078 def MOV8ao8 : Ii32 <0xA2, RawFrm, (outs offset8:$dst), (ins),
1079 "mov{b}\t{%al, $dst|$dst, %al}", []>,
1080 Requires<[In32BitMode]>;
1081 def MOV16ao16 : Ii32 <0xA3, RawFrm, (outs offset16:$dst), (ins),
1082 "mov{w}\t{%ax, $dst|$dst, %ax}", []>, OpSize,
1083 Requires<[In32BitMode]>;
1084 def MOV32ao32 : Ii32 <0xA3, RawFrm, (outs offset32:$dst), (ins),
1085 "mov{l}\t{%eax, $dst|$dst, %eax}", []>,
1086 Requires<[In32BitMode]>;
1088 // Moves to and from segment registers
1089 def MOV16rs : I<0x8C, MRMDestReg, (outs GR16:$dst), (ins SEGMENT_REG:$src),
1090 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1091 def MOV32rs : I<0x8C, MRMDestReg, (outs GR32:$dst), (ins SEGMENT_REG:$src),
1092 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1093 def MOV16ms : I<0x8C, MRMDestMem, (outs i16mem:$dst), (ins SEGMENT_REG:$src),
1094 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1095 def MOV32ms : I<0x8C, MRMDestMem, (outs i32mem:$dst), (ins SEGMENT_REG:$src),
1096 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1097 def MOV16sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR16:$src),
1098 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1099 def MOV32sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR32:$src),
1100 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1101 def MOV16sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i16mem:$src),
1102 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1103 def MOV32sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i32mem:$src),
1104 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1106 let isCodeGenOnly = 1 in {
1107 def MOV8rr_REV : I<0x8A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src),
1108 "mov{b}\t{$src, $dst|$dst, $src}", []>;
1109 def MOV16rr_REV : I<0x8B, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1110 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1111 def MOV32rr_REV : I<0x8B, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1112 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1115 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1116 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
1117 "mov{b}\t{$src, $dst|$dst, $src}",
1118 [(set GR8:$dst, (loadi8 addr:$src))]>;
1119 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1120 "mov{w}\t{$src, $dst|$dst, $src}",
1121 [(set GR16:$dst, (loadi16 addr:$src))]>, OpSize;
1122 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1123 "mov{l}\t{$src, $dst|$dst, $src}",
1124 [(set GR32:$dst, (loadi32 addr:$src))]>;
1127 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
1128 "mov{b}\t{$src, $dst|$dst, $src}",
1129 [(store GR8:$src, addr:$dst)]>;
1130 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1131 "mov{w}\t{$src, $dst|$dst, $src}",
1132 [(store GR16:$src, addr:$dst)]>, OpSize;
1133 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1134 "mov{l}\t{$src, $dst|$dst, $src}",
1135 [(store GR32:$src, addr:$dst)]>;
1137 /// Versions of MOV32rr, MOV32rm, and MOV32mr for i32mem_TC and GR32_TC.
1138 let isCodeGenOnly = 1 in {
1139 let neverHasSideEffects = 1 in
1140 def MOV32rr_TC : I<0x89, MRMDestReg, (outs GR32_TC:$dst), (ins GR32_TC:$src),
1141 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1144 canFoldAsLoad = 1, isReMaterializable = 1 in
1145 def MOV32rm_TC : I<0x8B, MRMSrcMem, (outs GR32_TC:$dst), (ins i32mem_TC:$src),
1146 "mov{l}\t{$src, $dst|$dst, $src}",
1150 def MOV32mr_TC : I<0x89, MRMDestMem, (outs), (ins i32mem_TC:$dst, GR32_TC:$src),
1151 "mov{l}\t{$src, $dst|$dst, $src}",
1155 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
1156 // that they can be used for copying and storing h registers, which can't be
1157 // encoded when a REX prefix is present.
1158 let isCodeGenOnly = 1 in {
1159 let neverHasSideEffects = 1 in
1160 def MOV8rr_NOREX : I<0x88, MRMDestReg,
1161 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
1162 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1164 def MOV8mr_NOREX : I<0x88, MRMDestMem,
1165 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
1166 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1168 canFoldAsLoad = 1, isReMaterializable = 1 in
1169 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
1170 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
1171 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1174 // Moves to and from debug registers
1175 def MOV32rd : I<0x21, MRMDestReg, (outs GR32:$dst), (ins DEBUG_REG:$src),
1176 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1177 def MOV32dr : I<0x23, MRMSrcReg, (outs DEBUG_REG:$dst), (ins GR32:$src),
1178 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1180 // Moves to and from control registers
1181 def MOV32rc : I<0x20, MRMDestReg, (outs GR32:$dst), (ins CONTROL_REG:$src),
1182 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1183 def MOV32cr : I<0x22, MRMSrcReg, (outs CONTROL_REG:$dst), (ins GR32:$src),
1184 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1186 //===----------------------------------------------------------------------===//
1187 // Fixed-Register Multiplication and Division Instructions...
1190 // Extra precision multiplication
1192 // AL is really implied by AX, but the registers in Defs must match the
1193 // SDNode results (i8, i32).
1194 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1195 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
1196 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1197 // This probably ought to be moved to a def : Pat<> if the
1198 // syntax can be accepted.
1199 [(set AL, (mul AL, GR8:$src)),
1200 (implicit EFLAGS)]>; // AL,AH = AL*GR8
1202 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
1203 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
1205 []>, OpSize; // AX,DX = AX*GR16
1207 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
1208 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
1210 []>; // EAX,EDX = EAX*GR32
1212 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1213 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
1215 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1216 // This probably ought to be moved to a def : Pat<> if the
1217 // syntax can be accepted.
1218 [(set AL, (mul AL, (loadi8 addr:$src))),
1219 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
1221 let mayLoad = 1, neverHasSideEffects = 1 in {
1222 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1223 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
1225 []>, OpSize; // AX,DX = AX*[mem16]
1227 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1228 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
1230 []>; // EAX,EDX = EAX*[mem32]
1233 let neverHasSideEffects = 1 in {
1234 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1235 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
1237 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1238 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
1239 OpSize; // AX,DX = AX*GR16
1240 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1241 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
1242 // EAX,EDX = EAX*GR32
1243 let mayLoad = 1 in {
1244 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1245 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
1246 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
1247 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1248 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
1249 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
1250 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1251 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
1252 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
1254 } // neverHasSideEffects
1256 // unsigned division/remainder
1257 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1258 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1259 "div{b}\t$src", []>;
1260 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1261 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1262 "div{w}\t$src", []>, OpSize;
1263 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1264 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1265 "div{l}\t$src", []>;
1266 let mayLoad = 1 in {
1267 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1268 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1269 "div{b}\t$src", []>;
1270 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1271 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1272 "div{w}\t$src", []>, OpSize;
1273 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1274 // EDX:EAX/[mem32] = EAX,EDX
1275 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src),
1276 "div{l}\t$src", []>;
1279 // Signed division/remainder.
1280 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1281 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1282 "idiv{b}\t$src", []>;
1283 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1284 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1285 "idiv{w}\t$src", []>, OpSize;
1286 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1287 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1288 "idiv{l}\t$src", []>;
1289 let mayLoad = 1, mayLoad = 1 in {
1290 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1291 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1292 "idiv{b}\t$src", []>;
1293 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1294 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1295 "idiv{w}\t$src", []>, OpSize;
1296 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1297 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src),
1298 // EDX:EAX/[mem32] = EAX,EDX
1299 "idiv{l}\t$src", []>;
1302 //===----------------------------------------------------------------------===//
1303 // Two address Instructions.
1305 let Constraints = "$src1 = $dst" in {
1307 // Conditional moves
1308 let Uses = [EFLAGS] in {
1310 let Predicates = [HasCMov] in {
1311 let isCommutable = 1 in {
1312 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
1313 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1314 "cmovb{w}\t{$src2, $dst|$dst, $src2}",
1315 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1316 X86_COND_B, EFLAGS))]>,
1318 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
1319 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1320 "cmovb{l}\t{$src2, $dst|$dst, $src2}",
1321 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1322 X86_COND_B, EFLAGS))]>,
1324 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
1325 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1326 "cmovae{w}\t{$src2, $dst|$dst, $src2}",
1327 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1328 X86_COND_AE, EFLAGS))]>,
1330 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
1331 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1332 "cmovae{l}\t{$src2, $dst|$dst, $src2}",
1333 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1334 X86_COND_AE, EFLAGS))]>,
1336 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
1337 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1338 "cmove{w}\t{$src2, $dst|$dst, $src2}",
1339 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1340 X86_COND_E, EFLAGS))]>,
1342 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
1343 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1344 "cmove{l}\t{$src2, $dst|$dst, $src2}",
1345 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1346 X86_COND_E, EFLAGS))]>,
1348 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
1349 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1350 "cmovne{w}\t{$src2, $dst|$dst, $src2}",
1351 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1352 X86_COND_NE, EFLAGS))]>,
1354 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
1355 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1356 "cmovne{l}\t{$src2, $dst|$dst, $src2}",
1357 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1358 X86_COND_NE, EFLAGS))]>,
1360 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
1361 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1362 "cmovbe{w}\t{$src2, $dst|$dst, $src2}",
1363 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1364 X86_COND_BE, EFLAGS))]>,
1366 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
1367 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1368 "cmovbe{l}\t{$src2, $dst|$dst, $src2}",
1369 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1370 X86_COND_BE, EFLAGS))]>,
1372 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
1373 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1374 "cmova{w}\t{$src2, $dst|$dst, $src2}",
1375 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1376 X86_COND_A, EFLAGS))]>,
1378 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
1379 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1380 "cmova{l}\t{$src2, $dst|$dst, $src2}",
1381 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1382 X86_COND_A, EFLAGS))]>,
1384 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
1385 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1386 "cmovl{w}\t{$src2, $dst|$dst, $src2}",
1387 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1388 X86_COND_L, EFLAGS))]>,
1390 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
1391 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1392 "cmovl{l}\t{$src2, $dst|$dst, $src2}",
1393 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1394 X86_COND_L, EFLAGS))]>,
1396 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
1397 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1398 "cmovge{w}\t{$src2, $dst|$dst, $src2}",
1399 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1400 X86_COND_GE, EFLAGS))]>,
1402 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
1403 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1404 "cmovge{l}\t{$src2, $dst|$dst, $src2}",
1405 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1406 X86_COND_GE, EFLAGS))]>,
1408 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
1409 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1410 "cmovle{w}\t{$src2, $dst|$dst, $src2}",
1411 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1412 X86_COND_LE, EFLAGS))]>,
1414 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
1415 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1416 "cmovle{l}\t{$src2, $dst|$dst, $src2}",
1417 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1418 X86_COND_LE, EFLAGS))]>,
1420 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
1421 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1422 "cmovg{w}\t{$src2, $dst|$dst, $src2}",
1423 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1424 X86_COND_G, EFLAGS))]>,
1426 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
1427 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1428 "cmovg{l}\t{$src2, $dst|$dst, $src2}",
1429 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1430 X86_COND_G, EFLAGS))]>,
1432 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
1433 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1434 "cmovs{w}\t{$src2, $dst|$dst, $src2}",
1435 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1436 X86_COND_S, EFLAGS))]>,
1438 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
1439 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1440 "cmovs{l}\t{$src2, $dst|$dst, $src2}",
1441 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1442 X86_COND_S, EFLAGS))]>,
1444 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
1445 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1446 "cmovns{w}\t{$src2, $dst|$dst, $src2}",
1447 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1448 X86_COND_NS, EFLAGS))]>,
1450 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1451 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1452 "cmovns{l}\t{$src2, $dst|$dst, $src2}",
1453 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1454 X86_COND_NS, EFLAGS))]>,
1456 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1457 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1458 "cmovp{w}\t{$src2, $dst|$dst, $src2}",
1459 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1460 X86_COND_P, EFLAGS))]>,
1462 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1463 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1464 "cmovp{l}\t{$src2, $dst|$dst, $src2}",
1465 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1466 X86_COND_P, EFLAGS))]>,
1468 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1469 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1470 "cmovnp{w}\t{$src2, $dst|$dst, $src2}",
1471 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1472 X86_COND_NP, EFLAGS))]>,
1474 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1475 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1476 "cmovnp{l}\t{$src2, $dst|$dst, $src2}",
1477 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1478 X86_COND_NP, EFLAGS))]>,
1480 def CMOVO16rr : I<0x40, MRMSrcReg, // if overflow, GR16 = GR16
1481 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1482 "cmovo{w}\t{$src2, $dst|$dst, $src2}",
1483 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1484 X86_COND_O, EFLAGS))]>,
1486 def CMOVO32rr : I<0x40, MRMSrcReg, // if overflow, GR32 = GR32
1487 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1488 "cmovo{l}\t{$src2, $dst|$dst, $src2}",
1489 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1490 X86_COND_O, EFLAGS))]>,
1492 def CMOVNO16rr : I<0x41, MRMSrcReg, // if !overflow, GR16 = GR16
1493 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1494 "cmovno{w}\t{$src2, $dst|$dst, $src2}",
1495 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1496 X86_COND_NO, EFLAGS))]>,
1498 def CMOVNO32rr : I<0x41, MRMSrcReg, // if !overflow, GR32 = GR32
1499 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1500 "cmovno{l}\t{$src2, $dst|$dst, $src2}",
1501 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1502 X86_COND_NO, EFLAGS))]>,
1504 } // isCommutable = 1
1506 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1507 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1508 "cmovb{w}\t{$src2, $dst|$dst, $src2}",
1509 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1510 X86_COND_B, EFLAGS))]>,
1512 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1513 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1514 "cmovb{l}\t{$src2, $dst|$dst, $src2}",
1515 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1516 X86_COND_B, EFLAGS))]>,
1518 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1519 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1520 "cmovae{w}\t{$src2, $dst|$dst, $src2}",
1521 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1522 X86_COND_AE, EFLAGS))]>,
1524 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1525 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1526 "cmovae{l}\t{$src2, $dst|$dst, $src2}",
1527 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1528 X86_COND_AE, EFLAGS))]>,
1530 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1531 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1532 "cmove{w}\t{$src2, $dst|$dst, $src2}",
1533 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1534 X86_COND_E, EFLAGS))]>,
1536 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1537 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1538 "cmove{l}\t{$src2, $dst|$dst, $src2}",
1539 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1540 X86_COND_E, EFLAGS))]>,
1542 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1543 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1544 "cmovne{w}\t{$src2, $dst|$dst, $src2}",
1545 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1546 X86_COND_NE, EFLAGS))]>,
1548 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1549 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1550 "cmovne{l}\t{$src2, $dst|$dst, $src2}",
1551 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1552 X86_COND_NE, EFLAGS))]>,
1554 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1555 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1556 "cmovbe{w}\t{$src2, $dst|$dst, $src2}",
1557 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1558 X86_COND_BE, EFLAGS))]>,
1560 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1561 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1562 "cmovbe{l}\t{$src2, $dst|$dst, $src2}",
1563 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1564 X86_COND_BE, EFLAGS))]>,
1566 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1567 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1568 "cmova{w}\t{$src2, $dst|$dst, $src2}",
1569 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1570 X86_COND_A, EFLAGS))]>,
1572 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1573 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1574 "cmova{l}\t{$src2, $dst|$dst, $src2}",
1575 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1576 X86_COND_A, EFLAGS))]>,
1578 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1579 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1580 "cmovl{w}\t{$src2, $dst|$dst, $src2}",
1581 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1582 X86_COND_L, EFLAGS))]>,
1584 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1585 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1586 "cmovl{l}\t{$src2, $dst|$dst, $src2}",
1587 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1588 X86_COND_L, EFLAGS))]>,
1590 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1591 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1592 "cmovge{w}\t{$src2, $dst|$dst, $src2}",
1593 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1594 X86_COND_GE, EFLAGS))]>,
1596 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1597 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1598 "cmovge{l}\t{$src2, $dst|$dst, $src2}",
1599 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1600 X86_COND_GE, EFLAGS))]>,
1602 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1603 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1604 "cmovle{w}\t{$src2, $dst|$dst, $src2}",
1605 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1606 X86_COND_LE, EFLAGS))]>,
1608 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1609 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1610 "cmovle{l}\t{$src2, $dst|$dst, $src2}",
1611 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1612 X86_COND_LE, EFLAGS))]>,
1614 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1615 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1616 "cmovg{w}\t{$src2, $dst|$dst, $src2}",
1617 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1618 X86_COND_G, EFLAGS))]>,
1620 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1621 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1622 "cmovg{l}\t{$src2, $dst|$dst, $src2}",
1623 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1624 X86_COND_G, EFLAGS))]>,
1626 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1627 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1628 "cmovs{w}\t{$src2, $dst|$dst, $src2}",
1629 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1630 X86_COND_S, EFLAGS))]>,
1632 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1633 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1634 "cmovs{l}\t{$src2, $dst|$dst, $src2}",
1635 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1636 X86_COND_S, EFLAGS))]>,
1638 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1639 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1640 "cmovns{w}\t{$src2, $dst|$dst, $src2}",
1641 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1642 X86_COND_NS, EFLAGS))]>,
1644 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1645 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1646 "cmovns{l}\t{$src2, $dst|$dst, $src2}",
1647 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1648 X86_COND_NS, EFLAGS))]>,
1650 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1651 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1652 "cmovp{w}\t{$src2, $dst|$dst, $src2}",
1653 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1654 X86_COND_P, EFLAGS))]>,
1656 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1657 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1658 "cmovp{l}\t{$src2, $dst|$dst, $src2}",
1659 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1660 X86_COND_P, EFLAGS))]>,
1662 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1663 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1664 "cmovnp{w}\t{$src2, $dst|$dst, $src2}",
1665 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1666 X86_COND_NP, EFLAGS))]>,
1668 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1669 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1670 "cmovnp{l}\t{$src2, $dst|$dst, $src2}",
1671 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1672 X86_COND_NP, EFLAGS))]>,
1674 def CMOVO16rm : I<0x40, MRMSrcMem, // if overflow, GR16 = [mem16]
1675 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1676 "cmovo{w}\t{$src2, $dst|$dst, $src2}",
1677 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1678 X86_COND_O, EFLAGS))]>,
1680 def CMOVO32rm : I<0x40, MRMSrcMem, // if overflow, GR32 = [mem32]
1681 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1682 "cmovo{l}\t{$src2, $dst|$dst, $src2}",
1683 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1684 X86_COND_O, EFLAGS))]>,
1686 def CMOVNO16rm : I<0x41, MRMSrcMem, // if !overflow, GR16 = [mem16]
1687 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1688 "cmovno{w}\t{$src2, $dst|$dst, $src2}",
1689 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1690 X86_COND_NO, EFLAGS))]>,
1692 def CMOVNO32rm : I<0x41, MRMSrcMem, // if !overflow, GR32 = [mem32]
1693 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1694 "cmovno{l}\t{$src2, $dst|$dst, $src2}",
1695 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1696 X86_COND_NO, EFLAGS))]>,
1698 } // Predicates = [HasCMov]
1700 // X86 doesn't have 8-bit conditional moves. Use a customInserter to
1701 // emit control flow. An alternative to this is to mark i8 SELECT as Promote,
1702 // however that requires promoting the operands, and can induce additional
1703 // i8 register pressure. Note that CMOV_GR8 is conservatively considered to
1704 // clobber EFLAGS, because if one of the operands is zero, the expansion
1705 // could involve an xor.
1706 let usesCustomInserter = 1, Constraints = "", Defs = [EFLAGS] in {
1707 def CMOV_GR8 : I<0, Pseudo,
1708 (outs GR8:$dst), (ins GR8:$src1, GR8:$src2, i8imm:$cond),
1709 "#CMOV_GR8 PSEUDO!",
1710 [(set GR8:$dst, (X86cmov GR8:$src1, GR8:$src2,
1711 imm:$cond, EFLAGS))]>;
1713 let Predicates = [NoCMov] in {
1714 def CMOV_GR32 : I<0, Pseudo,
1715 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$cond),
1716 "#CMOV_GR32* PSEUDO!",
1718 (X86cmov GR32:$src1, GR32:$src2, imm:$cond, EFLAGS))]>;
1719 def CMOV_GR16 : I<0, Pseudo,
1720 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$cond),
1721 "#CMOV_GR16* PSEUDO!",
1723 (X86cmov GR16:$src1, GR16:$src2, imm:$cond, EFLAGS))]>;
1724 def CMOV_RFP32 : I<0, Pseudo,
1726 (ins RFP32:$src1, RFP32:$src2, i8imm:$cond),
1727 "#CMOV_RFP32 PSEUDO!",
1729 (X86cmov RFP32:$src1, RFP32:$src2, imm:$cond,
1731 def CMOV_RFP64 : I<0, Pseudo,
1733 (ins RFP64:$src1, RFP64:$src2, i8imm:$cond),
1734 "#CMOV_RFP64 PSEUDO!",
1736 (X86cmov RFP64:$src1, RFP64:$src2, imm:$cond,
1738 def CMOV_RFP80 : I<0, Pseudo,
1740 (ins RFP80:$src1, RFP80:$src2, i8imm:$cond),
1741 "#CMOV_RFP80 PSEUDO!",
1743 (X86cmov RFP80:$src1, RFP80:$src2, imm:$cond,
1745 } // Predicates = [NoCMov]
1746 } // UsesCustomInserter = 1, Constraints = "", Defs = [EFLAGS]
1747 } // Uses = [EFLAGS]
1750 // unary instructions
1751 let CodeSize = 2 in {
1752 let Defs = [EFLAGS] in {
1753 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src1),
1755 [(set GR8:$dst, (ineg GR8:$src1)),
1756 (implicit EFLAGS)]>;
1757 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src1),
1759 [(set GR16:$dst, (ineg GR16:$src1)),
1760 (implicit EFLAGS)]>, OpSize;
1761 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src1),
1763 [(set GR32:$dst, (ineg GR32:$src1)),
1764 (implicit EFLAGS)]>;
1766 let Constraints = "" in {
1767 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst),
1769 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
1770 (implicit EFLAGS)]>;
1771 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst),
1773 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
1774 (implicit EFLAGS)]>, OpSize;
1775 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst),
1777 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
1778 (implicit EFLAGS)]>;
1779 } // Constraints = ""
1780 } // Defs = [EFLAGS]
1782 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
1783 let AddedComplexity = 15 in {
1784 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src1),
1786 [(set GR8:$dst, (not GR8:$src1))]>;
1787 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src1),
1789 [(set GR16:$dst, (not GR16:$src1))]>, OpSize;
1790 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src1),
1792 [(set GR32:$dst, (not GR32:$src1))]>;
1794 let Constraints = "" in {
1795 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst),
1797 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1798 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst),
1800 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1801 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst),
1803 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1804 } // Constraints = ""
1807 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1808 let Defs = [EFLAGS] in {
1810 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
1812 [(set GR8:$dst, EFLAGS, (X86inc_flag GR8:$src1))]>;
1814 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1815 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src1),
1817 [(set GR16:$dst, EFLAGS, (X86inc_flag GR16:$src1))]>,
1818 OpSize, Requires<[In32BitMode]>;
1819 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1),
1821 [(set GR32:$dst, EFLAGS, (X86inc_flag GR32:$src1))]>,
1822 Requires<[In32BitMode]>;
1824 let Constraints = "", CodeSize = 2 in {
1825 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1826 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
1827 (implicit EFLAGS)]>;
1828 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1829 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
1830 (implicit EFLAGS)]>,
1831 OpSize, Requires<[In32BitMode]>;
1832 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1833 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
1834 (implicit EFLAGS)]>,
1835 Requires<[In32BitMode]>;
1836 } // Constraints = "", CodeSize = 2
1839 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
1841 [(set GR8:$dst, EFLAGS, (X86dec_flag GR8:$src1))]>;
1842 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1843 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src1),
1845 [(set GR16:$dst, EFLAGS, (X86dec_flag GR16:$src1))]>,
1846 OpSize, Requires<[In32BitMode]>;
1847 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1),
1849 [(set GR32:$dst, EFLAGS, (X86dec_flag GR32:$src1))]>,
1850 Requires<[In32BitMode]>;
1853 let Constraints = "", CodeSize = 2 in {
1854 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1855 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
1856 (implicit EFLAGS)]>;
1857 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1858 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
1859 (implicit EFLAGS)]>,
1860 OpSize, Requires<[In32BitMode]>;
1861 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1862 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
1863 (implicit EFLAGS)]>,
1864 Requires<[In32BitMode]>;
1865 } // Constraints = "", CodeSize = 2
1866 } // Defs = [EFLAGS]
1868 // Logical operators...
1869 let Defs = [EFLAGS] in {
1870 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1871 def AND8rr : I<0x20, MRMDestReg,
1872 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1873 "and{b}\t{$src2, $dst|$dst, $src2}",
1874 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1, GR8:$src2))]>;
1875 def AND16rr : I<0x21, MRMDestReg,
1876 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1877 "and{w}\t{$src2, $dst|$dst, $src2}",
1878 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1879 GR16:$src2))]>, OpSize;
1880 def AND32rr : I<0x21, MRMDestReg,
1881 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1882 "and{l}\t{$src2, $dst|$dst, $src2}",
1883 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1887 // AND instructions with the destination register in REG and the source register
1888 // in R/M. Included for the disassembler.
1889 let isCodeGenOnly = 1 in {
1890 def AND8rr_REV : I<0x22, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1891 "and{b}\t{$src2, $dst|$dst, $src2}", []>;
1892 def AND16rr_REV : I<0x23, MRMSrcReg, (outs GR16:$dst),
1893 (ins GR16:$src1, GR16:$src2),
1894 "and{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1895 def AND32rr_REV : I<0x23, MRMSrcReg, (outs GR32:$dst),
1896 (ins GR32:$src1, GR32:$src2),
1897 "and{l}\t{$src2, $dst|$dst, $src2}", []>;
1900 def AND8rm : I<0x22, MRMSrcMem,
1901 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1902 "and{b}\t{$src2, $dst|$dst, $src2}",
1903 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1,
1904 (loadi8 addr:$src2)))]>;
1905 def AND16rm : I<0x23, MRMSrcMem,
1906 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1907 "and{w}\t{$src2, $dst|$dst, $src2}",
1908 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1909 (loadi16 addr:$src2)))]>,
1911 def AND32rm : I<0x23, MRMSrcMem,
1912 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1913 "and{l}\t{$src2, $dst|$dst, $src2}",
1914 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1915 (loadi32 addr:$src2)))]>;
1917 def AND8ri : Ii8<0x80, MRM4r,
1918 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1919 "and{b}\t{$src2, $dst|$dst, $src2}",
1920 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1,
1922 def AND16ri : Ii16<0x81, MRM4r,
1923 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1924 "and{w}\t{$src2, $dst|$dst, $src2}",
1925 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1926 imm:$src2))]>, OpSize;
1927 def AND32ri : Ii32<0x81, MRM4r,
1928 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1929 "and{l}\t{$src2, $dst|$dst, $src2}",
1930 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1932 def AND16ri8 : Ii8<0x83, MRM4r,
1933 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1934 "and{w}\t{$src2, $dst|$dst, $src2}",
1935 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1936 i16immSExt8:$src2))]>,
1938 def AND32ri8 : Ii8<0x83, MRM4r,
1939 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1940 "and{l}\t{$src2, $dst|$dst, $src2}",
1941 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1942 i32immSExt8:$src2))]>;
1944 let Constraints = "" in {
1945 def AND8mr : I<0x20, MRMDestMem,
1946 (outs), (ins i8mem :$dst, GR8 :$src),
1947 "and{b}\t{$src, $dst|$dst, $src}",
1948 [(store (and (load addr:$dst), GR8:$src), addr:$dst),
1949 (implicit EFLAGS)]>;
1950 def AND16mr : I<0x21, MRMDestMem,
1951 (outs), (ins i16mem:$dst, GR16:$src),
1952 "and{w}\t{$src, $dst|$dst, $src}",
1953 [(store (and (load addr:$dst), GR16:$src), addr:$dst),
1954 (implicit EFLAGS)]>,
1956 def AND32mr : I<0x21, MRMDestMem,
1957 (outs), (ins i32mem:$dst, GR32:$src),
1958 "and{l}\t{$src, $dst|$dst, $src}",
1959 [(store (and (load addr:$dst), GR32:$src), addr:$dst),
1960 (implicit EFLAGS)]>;
1961 def AND8mi : Ii8<0x80, MRM4m,
1962 (outs), (ins i8mem :$dst, i8imm :$src),
1963 "and{b}\t{$src, $dst|$dst, $src}",
1964 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
1965 (implicit EFLAGS)]>;
1966 def AND16mi : Ii16<0x81, MRM4m,
1967 (outs), (ins i16mem:$dst, i16imm:$src),
1968 "and{w}\t{$src, $dst|$dst, $src}",
1969 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
1970 (implicit EFLAGS)]>,
1972 def AND32mi : Ii32<0x81, MRM4m,
1973 (outs), (ins i32mem:$dst, i32imm:$src),
1974 "and{l}\t{$src, $dst|$dst, $src}",
1975 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
1976 (implicit EFLAGS)]>;
1977 def AND16mi8 : Ii8<0x83, MRM4m,
1978 (outs), (ins i16mem:$dst, i16i8imm :$src),
1979 "and{w}\t{$src, $dst|$dst, $src}",
1980 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
1981 (implicit EFLAGS)]>,
1983 def AND32mi8 : Ii8<0x83, MRM4m,
1984 (outs), (ins i32mem:$dst, i32i8imm :$src),
1985 "and{l}\t{$src, $dst|$dst, $src}",
1986 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
1987 (implicit EFLAGS)]>;
1989 def AND8i8 : Ii8<0x24, RawFrm, (outs), (ins i8imm:$src),
1990 "and{b}\t{$src, %al|%al, $src}", []>;
1991 def AND16i16 : Ii16<0x25, RawFrm, (outs), (ins i16imm:$src),
1992 "and{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1993 def AND32i32 : Ii32<0x25, RawFrm, (outs), (ins i32imm:$src),
1994 "and{l}\t{$src, %eax|%eax, $src}", []>;
1996 } // Constraints = ""
1999 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
2000 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst),
2001 (ins GR8 :$src1, GR8 :$src2),
2002 "or{b}\t{$src2, $dst|$dst, $src2}",
2003 [(set GR8:$dst, EFLAGS, (X86or_flag GR8:$src1, GR8:$src2))]>;
2004 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst),
2005 (ins GR16:$src1, GR16:$src2),
2006 "or{w}\t{$src2, $dst|$dst, $src2}",
2007 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,GR16:$src2))]>,
2009 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst),
2010 (ins GR32:$src1, GR32:$src2),
2011 "or{l}\t{$src2, $dst|$dst, $src2}",
2012 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,GR32:$src2))]>;
2015 // OR instructions with the destination register in REG and the source register
2016 // in R/M. Included for the disassembler.
2017 let isCodeGenOnly = 1 in {
2018 def OR8rr_REV : I<0x0A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2019 "or{b}\t{$src2, $dst|$dst, $src2}", []>;
2020 def OR16rr_REV : I<0x0B, MRMSrcReg, (outs GR16:$dst),
2021 (ins GR16:$src1, GR16:$src2),
2022 "or{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2023 def OR32rr_REV : I<0x0B, MRMSrcReg, (outs GR32:$dst),
2024 (ins GR32:$src1, GR32:$src2),
2025 "or{l}\t{$src2, $dst|$dst, $src2}", []>;
2028 def OR8rm : I<0x0A, MRMSrcMem, (outs GR8 :$dst),
2029 (ins GR8 :$src1, i8mem :$src2),
2030 "or{b}\t{$src2, $dst|$dst, $src2}",
2031 [(set GR8:$dst, EFLAGS, (X86or_flag GR8:$src1,
2032 (load addr:$src2)))]>;
2033 def OR16rm : I<0x0B, MRMSrcMem, (outs GR16:$dst),
2034 (ins GR16:$src1, i16mem:$src2),
2035 "or{w}\t{$src2, $dst|$dst, $src2}",
2036 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
2037 (load addr:$src2)))]>,
2039 def OR32rm : I<0x0B, MRMSrcMem, (outs GR32:$dst),
2040 (ins GR32:$src1, i32mem:$src2),
2041 "or{l}\t{$src2, $dst|$dst, $src2}",
2042 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
2043 (load addr:$src2)))]>;
2045 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst),
2046 (ins GR8 :$src1, i8imm:$src2),
2047 "or{b}\t{$src2, $dst|$dst, $src2}",
2048 [(set GR8:$dst,EFLAGS, (X86or_flag GR8:$src1, imm:$src2))]>;
2049 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst),
2050 (ins GR16:$src1, i16imm:$src2),
2051 "or{w}\t{$src2, $dst|$dst, $src2}",
2052 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
2053 imm:$src2))]>, OpSize;
2054 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst),
2055 (ins GR32:$src1, i32imm:$src2),
2056 "or{l}\t{$src2, $dst|$dst, $src2}",
2057 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
2060 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst),
2061 (ins GR16:$src1, i16i8imm:$src2),
2062 "or{w}\t{$src2, $dst|$dst, $src2}",
2063 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
2064 i16immSExt8:$src2))]>, OpSize;
2065 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst),
2066 (ins GR32:$src1, i32i8imm:$src2),
2067 "or{l}\t{$src2, $dst|$dst, $src2}",
2068 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
2069 i32immSExt8:$src2))]>;
2070 let Constraints = "" in {
2071 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
2072 "or{b}\t{$src, $dst|$dst, $src}",
2073 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
2074 (implicit EFLAGS)]>;
2075 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
2076 "or{w}\t{$src, $dst|$dst, $src}",
2077 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
2078 (implicit EFLAGS)]>, OpSize;
2079 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
2080 "or{l}\t{$src, $dst|$dst, $src}",
2081 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
2082 (implicit EFLAGS)]>;
2083 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2084 "or{b}\t{$src, $dst|$dst, $src}",
2085 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
2086 (implicit EFLAGS)]>;
2087 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
2088 "or{w}\t{$src, $dst|$dst, $src}",
2089 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
2090 (implicit EFLAGS)]>,
2092 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
2093 "or{l}\t{$src, $dst|$dst, $src}",
2094 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
2095 (implicit EFLAGS)]>;
2096 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
2097 "or{w}\t{$src, $dst|$dst, $src}",
2098 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
2099 (implicit EFLAGS)]>,
2101 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
2102 "or{l}\t{$src, $dst|$dst, $src}",
2103 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
2104 (implicit EFLAGS)]>;
2106 def OR8i8 : Ii8 <0x0C, RawFrm, (outs), (ins i8imm:$src),
2107 "or{b}\t{$src, %al|%al, $src}", []>;
2108 def OR16i16 : Ii16 <0x0D, RawFrm, (outs), (ins i16imm:$src),
2109 "or{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2110 def OR32i32 : Ii32 <0x0D, RawFrm, (outs), (ins i32imm:$src),
2111 "or{l}\t{$src, %eax|%eax, $src}", []>;
2112 } // Constraints = ""
2115 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
2116 def XOR8rr : I<0x30, MRMDestReg,
2117 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
2118 "xor{b}\t{$src2, $dst|$dst, $src2}",
2119 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1,
2121 def XOR16rr : I<0x31, MRMDestReg,
2122 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2123 "xor{w}\t{$src2, $dst|$dst, $src2}",
2124 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2125 GR16:$src2))]>, OpSize;
2126 def XOR32rr : I<0x31, MRMDestReg,
2127 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2128 "xor{l}\t{$src2, $dst|$dst, $src2}",
2129 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2131 } // isCommutable = 1
2133 // XOR instructions with the destination register in REG and the source register
2134 // in R/M. Included for the disassembler.
2135 let isCodeGenOnly = 1 in {
2136 def XOR8rr_REV : I<0x32, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2137 "xor{b}\t{$src2, $dst|$dst, $src2}", []>;
2138 def XOR16rr_REV : I<0x33, MRMSrcReg, (outs GR16:$dst),
2139 (ins GR16:$src1, GR16:$src2),
2140 "xor{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2141 def XOR32rr_REV : I<0x33, MRMSrcReg, (outs GR32:$dst),
2142 (ins GR32:$src1, GR32:$src2),
2143 "xor{l}\t{$src2, $dst|$dst, $src2}", []>;
2146 def XOR8rm : I<0x32, MRMSrcMem,
2147 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
2148 "xor{b}\t{$src2, $dst|$dst, $src2}",
2149 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1,
2150 (load addr:$src2)))]>;
2151 def XOR16rm : I<0x33, MRMSrcMem,
2152 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
2153 "xor{w}\t{$src2, $dst|$dst, $src2}",
2154 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2155 (load addr:$src2)))]>,
2157 def XOR32rm : I<0x33, MRMSrcMem,
2158 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2159 "xor{l}\t{$src2, $dst|$dst, $src2}",
2160 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2161 (load addr:$src2)))]>;
2163 def XOR8ri : Ii8<0x80, MRM6r,
2164 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2165 "xor{b}\t{$src2, $dst|$dst, $src2}",
2166 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1, imm:$src2))]>;
2167 def XOR16ri : Ii16<0x81, MRM6r,
2168 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2169 "xor{w}\t{$src2, $dst|$dst, $src2}",
2170 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2171 imm:$src2))]>, OpSize;
2172 def XOR32ri : Ii32<0x81, MRM6r,
2173 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2174 "xor{l}\t{$src2, $dst|$dst, $src2}",
2175 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2177 def XOR16ri8 : Ii8<0x83, MRM6r,
2178 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2179 "xor{w}\t{$src2, $dst|$dst, $src2}",
2180 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2181 i16immSExt8:$src2))]>,
2183 def XOR32ri8 : Ii8<0x83, MRM6r,
2184 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2185 "xor{l}\t{$src2, $dst|$dst, $src2}",
2186 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2187 i32immSExt8:$src2))]>;
2189 let Constraints = "" in {
2190 def XOR8mr : I<0x30, MRMDestMem,
2191 (outs), (ins i8mem :$dst, GR8 :$src),
2192 "xor{b}\t{$src, $dst|$dst, $src}",
2193 [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
2194 (implicit EFLAGS)]>;
2195 def XOR16mr : I<0x31, MRMDestMem,
2196 (outs), (ins i16mem:$dst, GR16:$src),
2197 "xor{w}\t{$src, $dst|$dst, $src}",
2198 [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
2199 (implicit EFLAGS)]>,
2201 def XOR32mr : I<0x31, MRMDestMem,
2202 (outs), (ins i32mem:$dst, GR32:$src),
2203 "xor{l}\t{$src, $dst|$dst, $src}",
2204 [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
2205 (implicit EFLAGS)]>;
2206 def XOR8mi : Ii8<0x80, MRM6m,
2207 (outs), (ins i8mem :$dst, i8imm :$src),
2208 "xor{b}\t{$src, $dst|$dst, $src}",
2209 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
2210 (implicit EFLAGS)]>;
2211 def XOR16mi : Ii16<0x81, MRM6m,
2212 (outs), (ins i16mem:$dst, i16imm:$src),
2213 "xor{w}\t{$src, $dst|$dst, $src}",
2214 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
2215 (implicit EFLAGS)]>,
2217 def XOR32mi : Ii32<0x81, MRM6m,
2218 (outs), (ins i32mem:$dst, i32imm:$src),
2219 "xor{l}\t{$src, $dst|$dst, $src}",
2220 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
2221 (implicit EFLAGS)]>;
2222 def XOR16mi8 : Ii8<0x83, MRM6m,
2223 (outs), (ins i16mem:$dst, i16i8imm :$src),
2224 "xor{w}\t{$src, $dst|$dst, $src}",
2225 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
2226 (implicit EFLAGS)]>,
2228 def XOR32mi8 : Ii8<0x83, MRM6m,
2229 (outs), (ins i32mem:$dst, i32i8imm :$src),
2230 "xor{l}\t{$src, $dst|$dst, $src}",
2231 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
2232 (implicit EFLAGS)]>;
2234 def XOR8i8 : Ii8 <0x34, RawFrm, (outs), (ins i8imm:$src),
2235 "xor{b}\t{$src, %al|%al, $src}", []>;
2236 def XOR16i16 : Ii16<0x35, RawFrm, (outs), (ins i16imm:$src),
2237 "xor{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2238 def XOR32i32 : Ii32<0x35, RawFrm, (outs), (ins i32imm:$src),
2239 "xor{l}\t{$src, %eax|%eax, $src}", []>;
2240 } // Constraints = ""
2241 } // Defs = [EFLAGS]
2243 // Shift instructions
2244 let Defs = [EFLAGS] in {
2245 let Uses = [CL] in {
2246 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1),
2247 "shl{b}\t{%cl, $dst|$dst, CL}",
2248 [(set GR8:$dst, (shl GR8:$src1, CL))]>;
2249 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src1),
2250 "shl{w}\t{%cl, $dst|$dst, CL}",
2251 [(set GR16:$dst, (shl GR16:$src1, CL))]>, OpSize;
2252 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src1),
2253 "shl{l}\t{%cl, $dst|$dst, CL}",
2254 [(set GR32:$dst, (shl GR32:$src1, CL))]>;
2257 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2258 "shl{b}\t{$src2, $dst|$dst, $src2}",
2259 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
2261 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2262 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2263 "shl{w}\t{$src2, $dst|$dst, $src2}",
2264 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2265 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2266 "shl{l}\t{$src2, $dst|$dst, $src2}",
2267 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
2269 // NOTE: We don't include patterns for shifts of a register by one, because
2270 // 'add reg,reg' is cheaper.
2272 def SHL8r1 : I<0xD0, MRM4r, (outs GR8:$dst), (ins GR8:$src1),
2273 "shl{b}\t$dst", []>;
2274 def SHL16r1 : I<0xD1, MRM4r, (outs GR16:$dst), (ins GR16:$src1),
2275 "shl{w}\t$dst", []>, OpSize;
2276 def SHL32r1 : I<0xD1, MRM4r, (outs GR32:$dst), (ins GR32:$src1),
2277 "shl{l}\t$dst", []>;
2279 } // isConvertibleToThreeAddress = 1
2281 let Constraints = "" in {
2282 let Uses = [CL] in {
2283 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
2284 "shl{b}\t{%cl, $dst|$dst, CL}",
2285 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
2286 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
2287 "shl{w}\t{%cl, $dst|$dst, CL}",
2288 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2289 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
2290 "shl{l}\t{%cl, $dst|$dst, CL}",
2291 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
2293 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
2294 "shl{b}\t{$src, $dst|$dst, $src}",
2295 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2296 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
2297 "shl{w}\t{$src, $dst|$dst, $src}",
2298 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2300 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
2301 "shl{l}\t{$src, $dst|$dst, $src}",
2302 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2305 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
2307 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2308 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
2310 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2312 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
2314 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2315 } // Constraints = ""
2317 let Uses = [CL] in {
2318 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src1),
2319 "shr{b}\t{%cl, $dst|$dst, CL}",
2320 [(set GR8:$dst, (srl GR8:$src1, CL))]>;
2321 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
2322 "shr{w}\t{%cl, $dst|$dst, CL}",
2323 [(set GR16:$dst, (srl GR16:$src1, CL))]>, OpSize;
2324 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
2325 "shr{l}\t{%cl, $dst|$dst, CL}",
2326 [(set GR32:$dst, (srl GR32:$src1, CL))]>;
2329 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2330 "shr{b}\t{$src2, $dst|$dst, $src2}",
2331 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
2332 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2333 "shr{w}\t{$src2, $dst|$dst, $src2}",
2334 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2335 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2336 "shr{l}\t{$src2, $dst|$dst, $src2}",
2337 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
2340 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
2342 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
2343 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
2345 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
2346 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
2348 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
2350 let Constraints = "" in {
2351 let Uses = [CL] in {
2352 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
2353 "shr{b}\t{%cl, $dst|$dst, CL}",
2354 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
2355 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
2356 "shr{w}\t{%cl, $dst|$dst, CL}",
2357 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
2359 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
2360 "shr{l}\t{%cl, $dst|$dst, CL}",
2361 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
2363 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
2364 "shr{b}\t{$src, $dst|$dst, $src}",
2365 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2366 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
2367 "shr{w}\t{$src, $dst|$dst, $src}",
2368 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2370 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
2371 "shr{l}\t{$src, $dst|$dst, $src}",
2372 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2375 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
2377 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2378 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
2380 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
2381 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
2383 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2384 } // Constraints = ""
2386 let Uses = [CL] in {
2387 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
2388 "sar{b}\t{%cl, $dst|$dst, CL}",
2389 [(set GR8:$dst, (sra GR8:$src1, CL))]>;
2390 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
2391 "sar{w}\t{%cl, $dst|$dst, CL}",
2392 [(set GR16:$dst, (sra GR16:$src1, CL))]>, OpSize;
2393 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
2394 "sar{l}\t{%cl, $dst|$dst, CL}",
2395 [(set GR32:$dst, (sra GR32:$src1, CL))]>;
2398 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2399 "sar{b}\t{$src2, $dst|$dst, $src2}",
2400 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
2401 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2402 "sar{w}\t{$src2, $dst|$dst, $src2}",
2403 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
2405 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2406 "sar{l}\t{$src2, $dst|$dst, $src2}",
2407 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
2410 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
2412 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
2413 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
2415 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
2416 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
2418 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
2420 let Constraints = "" in {
2421 let Uses = [CL] in {
2422 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
2423 "sar{b}\t{%cl, $dst|$dst, CL}",
2424 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
2425 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
2426 "sar{w}\t{%cl, $dst|$dst, CL}",
2427 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2428 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
2429 "sar{l}\t{%cl, $dst|$dst, CL}",
2430 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
2432 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
2433 "sar{b}\t{$src, $dst|$dst, $src}",
2434 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2435 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
2436 "sar{w}\t{$src, $dst|$dst, $src}",
2437 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2439 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
2440 "sar{l}\t{$src, $dst|$dst, $src}",
2441 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2444 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
2446 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2447 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
2449 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2451 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
2453 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2454 } // Constraints = ""
2456 // Rotate instructions
2458 def RCL8r1 : I<0xD0, MRM2r, (outs GR8:$dst), (ins GR8:$src1),
2459 "rcl{b}\t{1, $dst|$dst, 1}", []>;
2460 let Uses = [CL] in {
2461 def RCL8rCL : I<0xD2, MRM2r, (outs GR8:$dst), (ins GR8:$src1),
2462 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
2464 def RCL8ri : Ii8<0xC0, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$cnt),
2465 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2467 def RCL16r1 : I<0xD1, MRM2r, (outs GR16:$dst), (ins GR16:$src1),
2468 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2469 let Uses = [CL] in {
2470 def RCL16rCL : I<0xD3, MRM2r, (outs GR16:$dst), (ins GR16:$src1),
2471 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2473 def RCL16ri : Ii8<0xC1, MRM2r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$cnt),
2474 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2476 def RCL32r1 : I<0xD1, MRM2r, (outs GR32:$dst), (ins GR32:$src1),
2477 "rcl{l}\t{1, $dst|$dst, 1}", []>;
2478 let Uses = [CL] in {
2479 def RCL32rCL : I<0xD3, MRM2r, (outs GR32:$dst), (ins GR32:$src1),
2480 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
2482 def RCL32ri : Ii8<0xC1, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$cnt),
2483 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2485 def RCR8r1 : I<0xD0, MRM3r, (outs GR8:$dst), (ins GR8:$src1),
2486 "rcr{b}\t{1, $dst|$dst, 1}", []>;
2487 let Uses = [CL] in {
2488 def RCR8rCL : I<0xD2, MRM3r, (outs GR8:$dst), (ins GR8:$src1),
2489 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
2491 def RCR8ri : Ii8<0xC0, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$cnt),
2492 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2494 def RCR16r1 : I<0xD1, MRM3r, (outs GR16:$dst), (ins GR16:$src1),
2495 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2496 let Uses = [CL] in {
2497 def RCR16rCL : I<0xD3, MRM3r, (outs GR16:$dst), (ins GR16:$src1),
2498 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2500 def RCR16ri : Ii8<0xC1, MRM3r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$cnt),
2501 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2503 def RCR32r1 : I<0xD1, MRM3r, (outs GR32:$dst), (ins GR32:$src1),
2504 "rcr{l}\t{1, $dst|$dst, 1}", []>;
2505 let Uses = [CL] in {
2506 def RCR32rCL : I<0xD3, MRM3r, (outs GR32:$dst), (ins GR32:$src1),
2507 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
2509 def RCR32ri : Ii8<0xC1, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$cnt),
2510 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2512 let Constraints = "" in {
2513 def RCL8m1 : I<0xD0, MRM2m, (outs), (ins i8mem:$dst),
2514 "rcl{b}\t{1, $dst|$dst, 1}", []>;
2515 def RCL8mi : Ii8<0xC0, MRM2m, (outs), (ins i8mem:$dst, i8imm:$cnt),
2516 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2517 def RCL16m1 : I<0xD1, MRM2m, (outs), (ins i16mem:$dst),
2518 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2519 def RCL16mi : Ii8<0xC1, MRM2m, (outs), (ins i16mem:$dst, i8imm:$cnt),
2520 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2521 def RCL32m1 : I<0xD1, MRM2m, (outs), (ins i32mem:$dst),
2522 "rcl{l}\t{1, $dst|$dst, 1}", []>;
2523 def RCL32mi : Ii8<0xC1, MRM2m, (outs), (ins i32mem:$dst, i8imm:$cnt),
2524 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2525 def RCR8m1 : I<0xD0, MRM3m, (outs), (ins i8mem:$dst),
2526 "rcr{b}\t{1, $dst|$dst, 1}", []>;
2527 def RCR8mi : Ii8<0xC0, MRM3m, (outs), (ins i8mem:$dst, i8imm:$cnt),
2528 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2529 def RCR16m1 : I<0xD1, MRM3m, (outs), (ins i16mem:$dst),
2530 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2531 def RCR16mi : Ii8<0xC1, MRM3m, (outs), (ins i16mem:$dst, i8imm:$cnt),
2532 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2533 def RCR32m1 : I<0xD1, MRM3m, (outs), (ins i32mem:$dst),
2534 "rcr{l}\t{1, $dst|$dst, 1}", []>;
2535 def RCR32mi : Ii8<0xC1, MRM3m, (outs), (ins i32mem:$dst, i8imm:$cnt),
2536 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2538 let Uses = [CL] in {
2539 def RCL8mCL : I<0xD2, MRM2m, (outs), (ins i8mem:$dst),
2540 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
2541 def RCL16mCL : I<0xD3, MRM2m, (outs), (ins i16mem:$dst),
2542 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2543 def RCL32mCL : I<0xD3, MRM2m, (outs), (ins i32mem:$dst),
2544 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
2545 def RCR8mCL : I<0xD2, MRM3m, (outs), (ins i8mem:$dst),
2546 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
2547 def RCR16mCL : I<0xD3, MRM3m, (outs), (ins i16mem:$dst),
2548 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2549 def RCR32mCL : I<0xD3, MRM3m, (outs), (ins i32mem:$dst),
2550 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
2552 } // Constraints = ""
2554 // FIXME: provide shorter instructions when imm8 == 1
2555 let Uses = [CL] in {
2556 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
2557 "rol{b}\t{%cl, $dst|$dst, CL}",
2558 [(set GR8:$dst, (rotl GR8:$src1, CL))]>;
2559 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
2560 "rol{w}\t{%cl, $dst|$dst, CL}",
2561 [(set GR16:$dst, (rotl GR16:$src1, CL))]>, OpSize;
2562 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
2563 "rol{l}\t{%cl, $dst|$dst, CL}",
2564 [(set GR32:$dst, (rotl GR32:$src1, CL))]>;
2567 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2568 "rol{b}\t{$src2, $dst|$dst, $src2}",
2569 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
2570 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2571 "rol{w}\t{$src2, $dst|$dst, $src2}",
2572 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>,
2574 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2575 "rol{l}\t{$src2, $dst|$dst, $src2}",
2576 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
2579 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
2581 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
2582 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
2584 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
2585 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
2587 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
2589 let Constraints = "" in {
2590 let Uses = [CL] in {
2591 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
2592 "rol{b}\t{%cl, $dst|$dst, CL}",
2593 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
2594 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
2595 "rol{w}\t{%cl, $dst|$dst, CL}",
2596 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2597 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
2598 "rol{l}\t{%cl, $dst|$dst, CL}",
2599 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
2601 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
2602 "rol{b}\t{$src, $dst|$dst, $src}",
2603 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2604 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
2605 "rol{w}\t{$src, $dst|$dst, $src}",
2606 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2608 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
2609 "rol{l}\t{$src, $dst|$dst, $src}",
2610 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2613 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
2615 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2616 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
2618 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2620 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
2622 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2623 } // Constraints = ""
2625 let Uses = [CL] in {
2626 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2627 "ror{b}\t{%cl, $dst|$dst, CL}",
2628 [(set GR8:$dst, (rotr GR8:$src1, CL))]>;
2629 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2630 "ror{w}\t{%cl, $dst|$dst, CL}",
2631 [(set GR16:$dst, (rotr GR16:$src1, CL))]>, OpSize;
2632 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2633 "ror{l}\t{%cl, $dst|$dst, CL}",
2634 [(set GR32:$dst, (rotr GR32:$src1, CL))]>;
2637 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2638 "ror{b}\t{$src2, $dst|$dst, $src2}",
2639 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
2640 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2641 "ror{w}\t{$src2, $dst|$dst, $src2}",
2642 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>,
2644 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2645 "ror{l}\t{$src2, $dst|$dst, $src2}",
2646 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
2649 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2651 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
2652 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2654 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
2655 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2657 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
2659 let Constraints = "" in {
2660 let Uses = [CL] in {
2661 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
2662 "ror{b}\t{%cl, $dst|$dst, CL}",
2663 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
2664 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
2665 "ror{w}\t{%cl, $dst|$dst, CL}",
2666 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2667 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
2668 "ror{l}\t{%cl, $dst|$dst, CL}",
2669 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
2671 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2672 "ror{b}\t{$src, $dst|$dst, $src}",
2673 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2674 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
2675 "ror{w}\t{$src, $dst|$dst, $src}",
2676 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2678 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
2679 "ror{l}\t{$src, $dst|$dst, $src}",
2680 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2683 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
2685 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2686 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
2688 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2690 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
2692 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2693 } // Constraints = ""
2696 // Double shift instructions (generalizations of rotate)
2697 let Uses = [CL] in {
2698 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst),
2699 (ins GR32:$src1, GR32:$src2),
2700 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2701 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
2702 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst),
2703 (ins GR32:$src1, GR32:$src2),
2704 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2705 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
2706 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst),
2707 (ins GR16:$src1, GR16:$src2),
2708 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2709 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
2711 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst),
2712 (ins GR16:$src1, GR16:$src2),
2713 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2714 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
2718 let isCommutable = 1 in { // These instructions commute to each other.
2719 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
2721 (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2722 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2723 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
2726 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
2728 (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2729 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2730 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
2733 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
2735 (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2736 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2737 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
2740 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
2742 (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2743 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2744 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
2749 let Constraints = "" in {
2750 let Uses = [CL] in {
2751 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2752 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2753 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
2755 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2756 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2757 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
2760 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
2761 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2762 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2763 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
2764 (i8 imm:$src3)), addr:$dst)]>,
2766 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
2767 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2768 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2769 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
2770 (i8 imm:$src3)), addr:$dst)]>,
2773 let Uses = [CL] in {
2774 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2775 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2776 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
2777 addr:$dst)]>, TB, OpSize;
2778 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2779 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2780 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
2781 addr:$dst)]>, TB, OpSize;
2783 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
2784 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2785 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2786 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
2787 (i8 imm:$src3)), addr:$dst)]>,
2789 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
2790 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2791 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2792 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
2793 (i8 imm:$src3)), addr:$dst)]>,
2795 } // Constraints = ""
2796 } // Defs = [EFLAGS]
2800 let Defs = [EFLAGS] in {
2801 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
2802 // Register-Register Addition
2803 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
2804 (ins GR8 :$src1, GR8 :$src2),
2805 "add{b}\t{$src2, $dst|$dst, $src2}",
2806 [(set GR8:$dst, EFLAGS, (X86add_flag GR8:$src1, GR8:$src2))]>;
2808 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2809 // Register-Register Addition
2810 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
2811 (ins GR16:$src1, GR16:$src2),
2812 "add{w}\t{$src2, $dst|$dst, $src2}",
2813 [(set GR16:$dst, EFLAGS, (X86add_flag GR16:$src1,
2814 GR16:$src2))]>, OpSize;
2815 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
2816 (ins GR32:$src1, GR32:$src2),
2817 "add{l}\t{$src2, $dst|$dst, $src2}",
2818 [(set GR32:$dst, EFLAGS, (X86add_flag GR32:$src1,
2820 } // end isConvertibleToThreeAddress
2821 } // end isCommutable
2823 // These are alternate spellings for use by the disassembler, we mark them as
2824 // code gen only to ensure they aren't matched by the assembler.
2825 let isCodeGenOnly = 1 in {
2826 def ADD8rr_alt: I<0x02, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2827 "add{b}\t{$src2, $dst|$dst, $src2}", []>;
2828 def ADD16rr_alt: I<0x03, MRMSrcReg,(outs GR16:$dst),(ins GR16:$src1, GR16:$src2),
2829 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2830 def ADD32rr_alt: I<0x03, MRMSrcReg,(outs GR32:$dst),(ins GR32:$src1, GR32:$src2),
2831 "add{l}\t{$src2, $dst|$dst, $src2}", []>;
2834 // Register-Memory Addition
2835 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
2836 (ins GR8 :$src1, i8mem :$src2),
2837 "add{b}\t{$src2, $dst|$dst, $src2}",
2838 [(set GR8:$dst, EFLAGS, (X86add_flag GR8:$src1,
2839 (load addr:$src2)))]>;
2840 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
2841 (ins GR16:$src1, i16mem:$src2),
2842 "add{w}\t{$src2, $dst|$dst, $src2}",
2843 [(set GR16:$dst, EFLAGS, (X86add_flag GR16:$src1,
2844 (load addr:$src2)))]>, OpSize;
2845 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
2846 (ins GR32:$src1, i32mem:$src2),
2847 "add{l}\t{$src2, $dst|$dst, $src2}",
2848 [(set GR32:$dst, EFLAGS, (X86add_flag GR32:$src1,
2849 (load addr:$src2)))]>;
2851 // Register-Integer Addition
2852 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2853 "add{b}\t{$src2, $dst|$dst, $src2}",
2854 [(set GR8:$dst, EFLAGS,
2855 (X86add_flag GR8:$src1, imm:$src2))]>;
2857 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2858 // Register-Integer Addition
2859 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
2860 (ins GR16:$src1, i16imm:$src2),
2861 "add{w}\t{$src2, $dst|$dst, $src2}",
2862 [(set GR16:$dst, EFLAGS,
2863 (X86add_flag GR16:$src1, imm:$src2))]>, OpSize;
2864 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2865 (ins GR32:$src1, i32imm:$src2),
2866 "add{l}\t{$src2, $dst|$dst, $src2}",
2867 [(set GR32:$dst, EFLAGS,
2868 (X86add_flag GR32:$src1, imm:$src2))]>;
2869 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2870 (ins GR16:$src1, i16i8imm:$src2),
2871 "add{w}\t{$src2, $dst|$dst, $src2}",
2872 [(set GR16:$dst, EFLAGS,
2873 (X86add_flag GR16:$src1, i16immSExt8:$src2))]>, OpSize;
2874 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2875 (ins GR32:$src1, i32i8imm:$src2),
2876 "add{l}\t{$src2, $dst|$dst, $src2}",
2877 [(set GR32:$dst, EFLAGS,
2878 (X86add_flag GR32:$src1, i32immSExt8:$src2))]>;
2881 let Constraints = "" in {
2882 // Memory-Register Addition
2883 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2884 "add{b}\t{$src2, $dst|$dst, $src2}",
2885 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2886 (implicit EFLAGS)]>;
2887 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2888 "add{w}\t{$src2, $dst|$dst, $src2}",
2889 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2890 (implicit EFLAGS)]>, OpSize;
2891 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2892 "add{l}\t{$src2, $dst|$dst, $src2}",
2893 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2894 (implicit EFLAGS)]>;
2895 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2896 "add{b}\t{$src2, $dst|$dst, $src2}",
2897 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2898 (implicit EFLAGS)]>;
2899 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2900 "add{w}\t{$src2, $dst|$dst, $src2}",
2901 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2902 (implicit EFLAGS)]>, OpSize;
2903 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2904 "add{l}\t{$src2, $dst|$dst, $src2}",
2905 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2906 (implicit EFLAGS)]>;
2907 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2908 "add{w}\t{$src2, $dst|$dst, $src2}",
2909 [(store (add (load addr:$dst), i16immSExt8:$src2),
2911 (implicit EFLAGS)]>, OpSize;
2912 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2913 "add{l}\t{$src2, $dst|$dst, $src2}",
2914 [(store (add (load addr:$dst), i32immSExt8:$src2),
2916 (implicit EFLAGS)]>;
2919 def ADD8i8 : Ii8<0x04, RawFrm, (outs), (ins i8imm:$src),
2920 "add{b}\t{$src, %al|%al, $src}", []>;
2921 def ADD16i16 : Ii16<0x05, RawFrm, (outs), (ins i16imm:$src),
2922 "add{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2923 def ADD32i32 : Ii32<0x05, RawFrm, (outs), (ins i32imm:$src),
2924 "add{l}\t{$src, %eax|%eax, $src}", []>;
2925 } // Constraints = ""
2927 let Uses = [EFLAGS] in {
2928 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2929 def ADC8rr : I<0x10, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2930 "adc{b}\t{$src2, $dst|$dst, $src2}",
2931 [(set GR8:$dst, (adde GR8:$src1, GR8:$src2))]>;
2932 def ADC16rr : I<0x11, MRMDestReg, (outs GR16:$dst),
2933 (ins GR16:$src1, GR16:$src2),
2934 "adc{w}\t{$src2, $dst|$dst, $src2}",
2935 [(set GR16:$dst, (adde GR16:$src1, GR16:$src2))]>, OpSize;
2936 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst),
2937 (ins GR32:$src1, GR32:$src2),
2938 "adc{l}\t{$src2, $dst|$dst, $src2}",
2939 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2942 let isCodeGenOnly = 1 in {
2943 def ADC8rr_REV : I<0x12, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2944 "adc{b}\t{$src2, $dst|$dst, $src2}", []>;
2945 def ADC16rr_REV : I<0x13, MRMSrcReg, (outs GR16:$dst),
2946 (ins GR16:$src1, GR16:$src2),
2947 "adc{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2948 def ADC32rr_REV : I<0x13, MRMSrcReg, (outs GR32:$dst),
2949 (ins GR32:$src1, GR32:$src2),
2950 "adc{l}\t{$src2, $dst|$dst, $src2}", []>;
2953 def ADC8rm : I<0x12, MRMSrcMem , (outs GR8:$dst),
2954 (ins GR8:$src1, i8mem:$src2),
2955 "adc{b}\t{$src2, $dst|$dst, $src2}",
2956 [(set GR8:$dst, (adde GR8:$src1, (load addr:$src2)))]>;
2957 def ADC16rm : I<0x13, MRMSrcMem , (outs GR16:$dst),
2958 (ins GR16:$src1, i16mem:$src2),
2959 "adc{w}\t{$src2, $dst|$dst, $src2}",
2960 [(set GR16:$dst, (adde GR16:$src1, (load addr:$src2)))]>,
2962 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst),
2963 (ins GR32:$src1, i32mem:$src2),
2964 "adc{l}\t{$src2, $dst|$dst, $src2}",
2965 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2966 def ADC8ri : Ii8<0x80, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2967 "adc{b}\t{$src2, $dst|$dst, $src2}",
2968 [(set GR8:$dst, (adde GR8:$src1, imm:$src2))]>;
2969 def ADC16ri : Ii16<0x81, MRM2r, (outs GR16:$dst),
2970 (ins GR16:$src1, i16imm:$src2),
2971 "adc{w}\t{$src2, $dst|$dst, $src2}",
2972 [(set GR16:$dst, (adde GR16:$src1, imm:$src2))]>, OpSize;
2973 def ADC16ri8 : Ii8<0x83, MRM2r, (outs GR16:$dst),
2974 (ins GR16:$src1, i16i8imm:$src2),
2975 "adc{w}\t{$src2, $dst|$dst, $src2}",
2976 [(set GR16:$dst, (adde GR16:$src1, i16immSExt8:$src2))]>,
2978 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst),
2979 (ins GR32:$src1, i32imm:$src2),
2980 "adc{l}\t{$src2, $dst|$dst, $src2}",
2981 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2982 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst),
2983 (ins GR32:$src1, i32i8imm:$src2),
2984 "adc{l}\t{$src2, $dst|$dst, $src2}",
2985 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2987 let Constraints = "" in {
2988 def ADC8mr : I<0x10, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2989 "adc{b}\t{$src2, $dst|$dst, $src2}",
2990 [(store (adde (load addr:$dst), GR8:$src2), addr:$dst)]>;
2991 def ADC16mr : I<0x11, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2992 "adc{w}\t{$src2, $dst|$dst, $src2}",
2993 [(store (adde (load addr:$dst), GR16:$src2), addr:$dst)]>,
2995 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2996 "adc{l}\t{$src2, $dst|$dst, $src2}",
2997 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2998 def ADC8mi : Ii8<0x80, MRM2m, (outs), (ins i8mem:$dst, i8imm:$src2),
2999 "adc{b}\t{$src2, $dst|$dst, $src2}",
3000 [(store (adde (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
3001 def ADC16mi : Ii16<0x81, MRM2m, (outs), (ins i16mem:$dst, i16imm:$src2),
3002 "adc{w}\t{$src2, $dst|$dst, $src2}",
3003 [(store (adde (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
3005 def ADC16mi8 : Ii8<0x83, MRM2m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3006 "adc{w}\t{$src2, $dst|$dst, $src2}",
3007 [(store (adde (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
3009 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
3010 "adc{l}\t{$src2, $dst|$dst, $src2}",
3011 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
3012 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3013 "adc{l}\t{$src2, $dst|$dst, $src2}",
3014 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
3016 def ADC8i8 : Ii8<0x14, RawFrm, (outs), (ins i8imm:$src),
3017 "adc{b}\t{$src, %al|%al, $src}", []>;
3018 def ADC16i16 : Ii16<0x15, RawFrm, (outs), (ins i16imm:$src),
3019 "adc{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3020 def ADC32i32 : Ii32<0x15, RawFrm, (outs), (ins i32imm:$src),
3021 "adc{l}\t{$src, %eax|%eax, $src}", []>;
3022 } // Constraints = ""
3023 } // Uses = [EFLAGS]
3025 // Register-Register Subtraction
3026 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
3027 "sub{b}\t{$src2, $dst|$dst, $src2}",
3028 [(set GR8:$dst, EFLAGS,
3029 (X86sub_flag GR8:$src1, GR8:$src2))]>;
3030 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
3031 "sub{w}\t{$src2, $dst|$dst, $src2}",
3032 [(set GR16:$dst, EFLAGS,
3033 (X86sub_flag GR16:$src1, GR16:$src2))]>, OpSize;
3034 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
3035 "sub{l}\t{$src2, $dst|$dst, $src2}",
3036 [(set GR32:$dst, EFLAGS,
3037 (X86sub_flag GR32:$src1, GR32:$src2))]>;
3039 let isCodeGenOnly = 1 in {
3040 def SUB8rr_REV : I<0x2A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
3041 "sub{b}\t{$src2, $dst|$dst, $src2}", []>;
3042 def SUB16rr_REV : I<0x2B, MRMSrcReg, (outs GR16:$dst),
3043 (ins GR16:$src1, GR16:$src2),
3044 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
3045 def SUB32rr_REV : I<0x2B, MRMSrcReg, (outs GR32:$dst),
3046 (ins GR32:$src1, GR32:$src2),
3047 "sub{l}\t{$src2, $dst|$dst, $src2}", []>;
3050 // Register-Memory Subtraction
3051 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
3052 (ins GR8 :$src1, i8mem :$src2),
3053 "sub{b}\t{$src2, $dst|$dst, $src2}",
3054 [(set GR8:$dst, EFLAGS,
3055 (X86sub_flag GR8:$src1, (load addr:$src2)))]>;
3056 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
3057 (ins GR16:$src1, i16mem:$src2),
3058 "sub{w}\t{$src2, $dst|$dst, $src2}",
3059 [(set GR16:$dst, EFLAGS,
3060 (X86sub_flag GR16:$src1, (load addr:$src2)))]>, OpSize;
3061 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
3062 (ins GR32:$src1, i32mem:$src2),
3063 "sub{l}\t{$src2, $dst|$dst, $src2}",
3064 [(set GR32:$dst, EFLAGS,
3065 (X86sub_flag GR32:$src1, (load addr:$src2)))]>;
3067 // Register-Integer Subtraction
3068 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
3069 (ins GR8:$src1, i8imm:$src2),
3070 "sub{b}\t{$src2, $dst|$dst, $src2}",
3071 [(set GR8:$dst, EFLAGS,
3072 (X86sub_flag GR8:$src1, imm:$src2))]>;
3073 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
3074 (ins GR16:$src1, i16imm:$src2),
3075 "sub{w}\t{$src2, $dst|$dst, $src2}",
3076 [(set GR16:$dst, EFLAGS,
3077 (X86sub_flag GR16:$src1, imm:$src2))]>, OpSize;
3078 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
3079 (ins GR32:$src1, i32imm:$src2),
3080 "sub{l}\t{$src2, $dst|$dst, $src2}",
3081 [(set GR32:$dst, EFLAGS,
3082 (X86sub_flag GR32:$src1, imm:$src2))]>;
3083 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
3084 (ins GR16:$src1, i16i8imm:$src2),
3085 "sub{w}\t{$src2, $dst|$dst, $src2}",
3086 [(set GR16:$dst, EFLAGS,
3087 (X86sub_flag GR16:$src1, i16immSExt8:$src2))]>, OpSize;
3088 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
3089 (ins GR32:$src1, i32i8imm:$src2),
3090 "sub{l}\t{$src2, $dst|$dst, $src2}",
3091 [(set GR32:$dst, EFLAGS,
3092 (X86sub_flag GR32:$src1, i32immSExt8:$src2))]>;
3094 let Constraints = "" in {
3095 // Memory-Register Subtraction
3096 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
3097 "sub{b}\t{$src2, $dst|$dst, $src2}",
3098 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
3099 (implicit EFLAGS)]>;
3100 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3101 "sub{w}\t{$src2, $dst|$dst, $src2}",
3102 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
3103 (implicit EFLAGS)]>, OpSize;
3104 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3105 "sub{l}\t{$src2, $dst|$dst, $src2}",
3106 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
3107 (implicit EFLAGS)]>;
3109 // Memory-Integer Subtraction
3110 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
3111 "sub{b}\t{$src2, $dst|$dst, $src2}",
3112 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
3113 (implicit EFLAGS)]>;
3114 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
3115 "sub{w}\t{$src2, $dst|$dst, $src2}",
3116 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
3117 (implicit EFLAGS)]>, OpSize;
3118 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
3119 "sub{l}\t{$src2, $dst|$dst, $src2}",
3120 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
3121 (implicit EFLAGS)]>;
3122 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3123 "sub{w}\t{$src2, $dst|$dst, $src2}",
3124 [(store (sub (load addr:$dst), i16immSExt8:$src2),
3126 (implicit EFLAGS)]>, OpSize;
3127 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3128 "sub{l}\t{$src2, $dst|$dst, $src2}",
3129 [(store (sub (load addr:$dst), i32immSExt8:$src2),
3131 (implicit EFLAGS)]>;
3133 def SUB8i8 : Ii8<0x2C, RawFrm, (outs), (ins i8imm:$src),
3134 "sub{b}\t{$src, %al|%al, $src}", []>;
3135 def SUB16i16 : Ii16<0x2D, RawFrm, (outs), (ins i16imm:$src),
3136 "sub{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3137 def SUB32i32 : Ii32<0x2D, RawFrm, (outs), (ins i32imm:$src),
3138 "sub{l}\t{$src, %eax|%eax, $src}", []>;
3139 } // Constraints = ""
3141 let Uses = [EFLAGS] in {
3142 def SBB8rr : I<0x18, MRMDestReg, (outs GR8:$dst),
3143 (ins GR8:$src1, GR8:$src2),
3144 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3145 [(set GR8:$dst, (sube GR8:$src1, GR8:$src2))]>;
3146 def SBB16rr : I<0x19, MRMDestReg, (outs GR16:$dst),
3147 (ins GR16:$src1, GR16:$src2),
3148 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3149 [(set GR16:$dst, (sube GR16:$src1, GR16:$src2))]>, OpSize;
3150 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst),
3151 (ins GR32:$src1, GR32:$src2),
3152 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3153 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
3155 let Constraints = "" in {
3156 def SBB8mr : I<0x18, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
3157 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3158 [(store (sube (load addr:$dst), GR8:$src2), addr:$dst)]>;
3159 def SBB16mr : I<0x19, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3160 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3161 [(store (sube (load addr:$dst), GR16:$src2), addr:$dst)]>,
3163 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3164 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3165 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
3166 def SBB8mi : Ii8<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
3167 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3168 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
3169 def SBB16mi : Ii16<0x81, MRM3m, (outs), (ins i16mem:$dst, i16imm:$src2),
3170 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3171 [(store (sube (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
3173 def SBB16mi8 : Ii8<0x83, MRM3m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3174 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3175 [(store (sube (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
3177 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
3178 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3179 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
3180 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3181 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3182 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
3184 def SBB8i8 : Ii8<0x1C, RawFrm, (outs), (ins i8imm:$src),
3185 "sbb{b}\t{$src, %al|%al, $src}", []>;
3186 def SBB16i16 : Ii16<0x1D, RawFrm, (outs), (ins i16imm:$src),
3187 "sbb{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3188 def SBB32i32 : Ii32<0x1D, RawFrm, (outs), (ins i32imm:$src),
3189 "sbb{l}\t{$src, %eax|%eax, $src}", []>;
3190 } // Constraints = ""
3192 let isCodeGenOnly = 1 in {
3193 def SBB8rr_REV : I<0x1A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
3194 "sbb{b}\t{$src2, $dst|$dst, $src2}", []>;
3195 def SBB16rr_REV : I<0x1B, MRMSrcReg, (outs GR16:$dst),
3196 (ins GR16:$src1, GR16:$src2),
3197 "sbb{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
3198 def SBB32rr_REV : I<0x1B, MRMSrcReg, (outs GR32:$dst),
3199 (ins GR32:$src1, GR32:$src2),
3200 "sbb{l}\t{$src2, $dst|$dst, $src2}", []>;
3203 def SBB8rm : I<0x1A, MRMSrcMem, (outs GR8:$dst), (ins GR8:$src1, i8mem:$src2),
3204 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3205 [(set GR8:$dst, (sube GR8:$src1, (load addr:$src2)))]>;
3206 def SBB16rm : I<0x1B, MRMSrcMem, (outs GR16:$dst),
3207 (ins GR16:$src1, i16mem:$src2),
3208 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3209 [(set GR16:$dst, (sube GR16:$src1, (load addr:$src2)))]>,
3211 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst),
3212 (ins GR32:$src1, i32mem:$src2),
3213 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3214 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
3215 def SBB8ri : Ii8<0x80, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
3216 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3217 [(set GR8:$dst, (sube GR8:$src1, imm:$src2))]>;
3218 def SBB16ri : Ii16<0x81, MRM3r, (outs GR16:$dst),
3219 (ins GR16:$src1, i16imm:$src2),
3220 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3221 [(set GR16:$dst, (sube GR16:$src1, imm:$src2))]>, OpSize;
3222 def SBB16ri8 : Ii8<0x83, MRM3r, (outs GR16:$dst),
3223 (ins GR16:$src1, i16i8imm:$src2),
3224 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3225 [(set GR16:$dst, (sube GR16:$src1, i16immSExt8:$src2))]>,
3227 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst),
3228 (ins GR32:$src1, i32imm:$src2),
3229 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3230 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
3231 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst),
3232 (ins GR32:$src1, i32i8imm:$src2),
3233 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3234 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
3235 } // Uses = [EFLAGS]
3236 } // Defs = [EFLAGS]
3238 let Defs = [EFLAGS] in {
3239 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
3240 // Register-Register Signed Integer Multiply
3241 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
3242 "imul{w}\t{$src2, $dst|$dst, $src2}",
3243 [(set GR16:$dst, EFLAGS,
3244 (X86smul_flag GR16:$src1, GR16:$src2))]>, TB, OpSize;
3245 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
3246 "imul{l}\t{$src2, $dst|$dst, $src2}",
3247 [(set GR32:$dst, EFLAGS,
3248 (X86smul_flag GR32:$src1, GR32:$src2))]>, TB;
3251 // Register-Memory Signed Integer Multiply
3252 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
3253 (ins GR16:$src1, i16mem:$src2),
3254 "imul{w}\t{$src2, $dst|$dst, $src2}",
3255 [(set GR16:$dst, EFLAGS,
3256 (X86smul_flag GR16:$src1, (load addr:$src2)))]>,
3258 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst),
3259 (ins GR32:$src1, i32mem:$src2),
3260 "imul{l}\t{$src2, $dst|$dst, $src2}",
3261 [(set GR32:$dst, EFLAGS,
3262 (X86smul_flag GR32:$src1, (load addr:$src2)))]>, TB;
3263 } // Defs = [EFLAGS]
3264 } // end Two Address instructions
3266 // Suprisingly enough, these are not two address instructions!
3267 let Defs = [EFLAGS] in {
3268 // Register-Integer Signed Integer Multiply
3269 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
3270 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
3271 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3272 [(set GR16:$dst, EFLAGS,
3273 (X86smul_flag GR16:$src1, imm:$src2))]>, OpSize;
3274 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
3275 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
3276 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3277 [(set GR32:$dst, EFLAGS,
3278 (X86smul_flag GR32:$src1, imm:$src2))]>;
3279 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
3280 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
3281 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3282 [(set GR16:$dst, EFLAGS,
3283 (X86smul_flag GR16:$src1, i16immSExt8:$src2))]>,
3285 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
3286 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
3287 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3288 [(set GR32:$dst, EFLAGS,
3289 (X86smul_flag GR32:$src1, i32immSExt8:$src2))]>;
3291 // Memory-Integer Signed Integer Multiply
3292 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
3293 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
3294 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3295 [(set GR16:$dst, EFLAGS,
3296 (X86smul_flag (load addr:$src1), imm:$src2))]>,
3298 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
3299 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
3300 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3301 [(set GR32:$dst, EFLAGS,
3302 (X86smul_flag (load addr:$src1), imm:$src2))]>;
3303 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
3304 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
3305 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3306 [(set GR16:$dst, EFLAGS,
3307 (X86smul_flag (load addr:$src1),
3308 i16immSExt8:$src2))]>, OpSize;
3309 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
3310 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
3311 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3312 [(set GR32:$dst, EFLAGS,
3313 (X86smul_flag (load addr:$src1),
3314 i32immSExt8:$src2))]>;
3315 } // Defs = [EFLAGS]
3317 //===----------------------------------------------------------------------===//
3318 // Test instructions are just like AND, except they don't generate a result.
3320 let Defs = [EFLAGS] in {
3321 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
3322 def TEST8rr : I<0x84, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
3323 "test{b}\t{$src2, $src1|$src1, $src2}",
3324 [(set EFLAGS, (X86cmp (and_su GR8:$src1, GR8:$src2), 0))]>;
3325 def TEST16rr : I<0x85, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
3326 "test{w}\t{$src2, $src1|$src1, $src2}",
3327 [(set EFLAGS, (X86cmp (and_su GR16:$src1, GR16:$src2),
3330 def TEST32rr : I<0x85, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
3331 "test{l}\t{$src2, $src1|$src1, $src2}",
3332 [(set EFLAGS, (X86cmp (and_su GR32:$src1, GR32:$src2),
3336 def TEST8i8 : Ii8<0xA8, RawFrm, (outs), (ins i8imm:$src),
3337 "test{b}\t{$src, %al|%al, $src}", []>;
3338 def TEST16i16 : Ii16<0xA9, RawFrm, (outs), (ins i16imm:$src),
3339 "test{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3340 def TEST32i32 : Ii32<0xA9, RawFrm, (outs), (ins i32imm:$src),
3341 "test{l}\t{$src, %eax|%eax, $src}", []>;
3343 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
3344 "test{b}\t{$src2, $src1|$src1, $src2}",
3345 [(set EFLAGS, (X86cmp (and GR8:$src1, (loadi8 addr:$src2)),
3347 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
3348 "test{w}\t{$src2, $src1|$src1, $src2}",
3349 [(set EFLAGS, (X86cmp (and GR16:$src1,
3350 (loadi16 addr:$src2)), 0))]>, OpSize;
3351 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
3352 "test{l}\t{$src2, $src1|$src1, $src2}",
3353 [(set EFLAGS, (X86cmp (and GR32:$src1,
3354 (loadi32 addr:$src2)), 0))]>;
3356 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
3357 (outs), (ins GR8:$src1, i8imm:$src2),
3358 "test{b}\t{$src2, $src1|$src1, $src2}",
3359 [(set EFLAGS, (X86cmp (and_su GR8:$src1, imm:$src2), 0))]>;
3360 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
3361 (outs), (ins GR16:$src1, i16imm:$src2),
3362 "test{w}\t{$src2, $src1|$src1, $src2}",
3363 [(set EFLAGS, (X86cmp (and_su GR16:$src1, imm:$src2), 0))]>,
3365 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
3366 (outs), (ins GR32:$src1, i32imm:$src2),
3367 "test{l}\t{$src2, $src1|$src1, $src2}",
3368 [(set EFLAGS, (X86cmp (and_su GR32:$src1, imm:$src2), 0))]>;
3370 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
3371 (outs), (ins i8mem:$src1, i8imm:$src2),
3372 "test{b}\t{$src2, $src1|$src1, $src2}",
3373 [(set EFLAGS, (X86cmp (and (loadi8 addr:$src1), imm:$src2),
3375 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
3376 (outs), (ins i16mem:$src1, i16imm:$src2),
3377 "test{w}\t{$src2, $src1|$src1, $src2}",
3378 [(set EFLAGS, (X86cmp (and (loadi16 addr:$src1), imm:$src2),
3380 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
3381 (outs), (ins i32mem:$src1, i32imm:$src2),
3382 "test{l}\t{$src2, $src1|$src1, $src2}",
3383 [(set EFLAGS, (X86cmp (and (loadi32 addr:$src1), imm:$src2),
3385 } // Defs = [EFLAGS]
3388 // Condition code ops, incl. set if equal/not equal/...
3389 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
3390 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
3391 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
3392 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
3394 let Uses = [EFLAGS] in {
3395 // Use sbb to materialize carry bit.
3396 let Defs = [EFLAGS], isCodeGenOnly = 1 in {
3397 // FIXME: These are pseudo ops that should be replaced with Pat<> patterns.
3398 // However, Pat<> can't replicate the destination reg into the inputs of the
3400 // FIXME: Change these to have encoding Pseudo when X86MCCodeEmitter replaces
3402 def SETB_C8r : I<0x18, MRMInitReg, (outs GR8:$dst), (ins), "",
3403 [(set GR8:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>;
3404 def SETB_C16r : I<0x19, MRMInitReg, (outs GR16:$dst), (ins), "",
3405 [(set GR16:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>,
3407 def SETB_C32r : I<0x19, MRMInitReg, (outs GR32:$dst), (ins), "",
3408 [(set GR32:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>;
3411 def SETEr : I<0x94, MRM0r,
3412 (outs GR8 :$dst), (ins),
3414 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
3416 def SETEm : I<0x94, MRM0m,
3417 (outs), (ins i8mem:$dst),
3419 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
3422 def SETNEr : I<0x95, MRM0r,
3423 (outs GR8 :$dst), (ins),
3425 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
3427 def SETNEm : I<0x95, MRM0m,
3428 (outs), (ins i8mem:$dst),
3430 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
3433 def SETLr : I<0x9C, MRM0r,
3434 (outs GR8 :$dst), (ins),
3436 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
3437 TB; // GR8 = < signed
3438 def SETLm : I<0x9C, MRM0m,
3439 (outs), (ins i8mem:$dst),
3441 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
3442 TB; // [mem8] = < signed
3444 def SETGEr : I<0x9D, MRM0r,
3445 (outs GR8 :$dst), (ins),
3447 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
3448 TB; // GR8 = >= signed
3449 def SETGEm : I<0x9D, MRM0m,
3450 (outs), (ins i8mem:$dst),
3452 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
3453 TB; // [mem8] = >= signed
3455 def SETLEr : I<0x9E, MRM0r,
3456 (outs GR8 :$dst), (ins),
3458 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
3459 TB; // GR8 = <= signed
3460 def SETLEm : I<0x9E, MRM0m,
3461 (outs), (ins i8mem:$dst),
3463 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
3464 TB; // [mem8] = <= signed
3466 def SETGr : I<0x9F, MRM0r,
3467 (outs GR8 :$dst), (ins),
3469 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
3470 TB; // GR8 = > signed
3471 def SETGm : I<0x9F, MRM0m,
3472 (outs), (ins i8mem:$dst),
3474 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
3475 TB; // [mem8] = > signed
3477 def SETBr : I<0x92, MRM0r,
3478 (outs GR8 :$dst), (ins),
3480 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
3481 TB; // GR8 = < unsign
3482 def SETBm : I<0x92, MRM0m,
3483 (outs), (ins i8mem:$dst),
3485 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
3486 TB; // [mem8] = < unsign
3488 def SETAEr : I<0x93, MRM0r,
3489 (outs GR8 :$dst), (ins),
3491 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
3492 TB; // GR8 = >= unsign
3493 def SETAEm : I<0x93, MRM0m,
3494 (outs), (ins i8mem:$dst),
3496 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
3497 TB; // [mem8] = >= unsign
3499 def SETBEr : I<0x96, MRM0r,
3500 (outs GR8 :$dst), (ins),
3502 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
3503 TB; // GR8 = <= unsign
3504 def SETBEm : I<0x96, MRM0m,
3505 (outs), (ins i8mem:$dst),
3507 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
3508 TB; // [mem8] = <= unsign
3510 def SETAr : I<0x97, MRM0r,
3511 (outs GR8 :$dst), (ins),
3513 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
3514 TB; // GR8 = > signed
3515 def SETAm : I<0x97, MRM0m,
3516 (outs), (ins i8mem:$dst),
3518 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
3519 TB; // [mem8] = > signed
3521 def SETSr : I<0x98, MRM0r,
3522 (outs GR8 :$dst), (ins),
3524 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
3525 TB; // GR8 = <sign bit>
3526 def SETSm : I<0x98, MRM0m,
3527 (outs), (ins i8mem:$dst),
3529 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
3530 TB; // [mem8] = <sign bit>
3531 def SETNSr : I<0x99, MRM0r,
3532 (outs GR8 :$dst), (ins),
3534 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
3535 TB; // GR8 = !<sign bit>
3536 def SETNSm : I<0x99, MRM0m,
3537 (outs), (ins i8mem:$dst),
3539 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
3540 TB; // [mem8] = !<sign bit>
3542 def SETPr : I<0x9A, MRM0r,
3543 (outs GR8 :$dst), (ins),
3545 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
3547 def SETPm : I<0x9A, MRM0m,
3548 (outs), (ins i8mem:$dst),
3550 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
3551 TB; // [mem8] = parity
3552 def SETNPr : I<0x9B, MRM0r,
3553 (outs GR8 :$dst), (ins),
3555 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
3556 TB; // GR8 = not parity
3557 def SETNPm : I<0x9B, MRM0m,
3558 (outs), (ins i8mem:$dst),
3560 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
3561 TB; // [mem8] = not parity
3563 def SETOr : I<0x90, MRM0r,
3564 (outs GR8 :$dst), (ins),
3566 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
3567 TB; // GR8 = overflow
3568 def SETOm : I<0x90, MRM0m,
3569 (outs), (ins i8mem:$dst),
3571 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
3572 TB; // [mem8] = overflow
3573 def SETNOr : I<0x91, MRM0r,
3574 (outs GR8 :$dst), (ins),
3576 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
3577 TB; // GR8 = not overflow
3578 def SETNOm : I<0x91, MRM0m,
3579 (outs), (ins i8mem:$dst),
3581 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
3582 TB; // [mem8] = not overflow
3583 } // Uses = [EFLAGS]
3586 // Integer comparisons
3587 let Defs = [EFLAGS] in {
3588 def CMP8i8 : Ii8<0x3C, RawFrm, (outs), (ins i8imm:$src),
3589 "cmp{b}\t{$src, %al|%al, $src}", []>;
3590 def CMP16i16 : Ii16<0x3D, RawFrm, (outs), (ins i16imm:$src),
3591 "cmp{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3592 def CMP32i32 : Ii32<0x3D, RawFrm, (outs), (ins i32imm:$src),
3593 "cmp{l}\t{$src, %eax|%eax, $src}", []>;
3595 def CMP8rr : I<0x38, MRMDestReg,
3596 (outs), (ins GR8 :$src1, GR8 :$src2),
3597 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3598 [(set EFLAGS, (X86cmp GR8:$src1, GR8:$src2))]>;
3599 def CMP16rr : I<0x39, MRMDestReg,
3600 (outs), (ins GR16:$src1, GR16:$src2),
3601 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3602 [(set EFLAGS, (X86cmp GR16:$src1, GR16:$src2))]>, OpSize;
3603 def CMP32rr : I<0x39, MRMDestReg,
3604 (outs), (ins GR32:$src1, GR32:$src2),
3605 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3606 [(set EFLAGS, (X86cmp GR32:$src1, GR32:$src2))]>;
3607 def CMP8mr : I<0x38, MRMDestMem,
3608 (outs), (ins i8mem :$src1, GR8 :$src2),
3609 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3610 [(set EFLAGS, (X86cmp (loadi8 addr:$src1), GR8:$src2))]>;
3611 def CMP16mr : I<0x39, MRMDestMem,
3612 (outs), (ins i16mem:$src1, GR16:$src2),
3613 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3614 [(set EFLAGS, (X86cmp (loadi16 addr:$src1), GR16:$src2))]>,
3616 def CMP32mr : I<0x39, MRMDestMem,
3617 (outs), (ins i32mem:$src1, GR32:$src2),
3618 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3619 [(set EFLAGS, (X86cmp (loadi32 addr:$src1), GR32:$src2))]>;
3620 def CMP8rm : I<0x3A, MRMSrcMem,
3621 (outs), (ins GR8 :$src1, i8mem :$src2),
3622 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3623 [(set EFLAGS, (X86cmp GR8:$src1, (loadi8 addr:$src2)))]>;
3624 def CMP16rm : I<0x3B, MRMSrcMem,
3625 (outs), (ins GR16:$src1, i16mem:$src2),
3626 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3627 [(set EFLAGS, (X86cmp GR16:$src1, (loadi16 addr:$src2)))]>,
3629 def CMP32rm : I<0x3B, MRMSrcMem,
3630 (outs), (ins GR32:$src1, i32mem:$src2),
3631 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3632 [(set EFLAGS, (X86cmp GR32:$src1, (loadi32 addr:$src2)))]>;
3634 // These are alternate spellings for use by the disassembler, we mark them as
3635 // code gen only to ensure they aren't matched by the assembler.
3636 let isCodeGenOnly = 1 in {
3637 def CMP8rr_alt : I<0x3A, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
3638 "cmp{b}\t{$src2, $src1|$src1, $src2}", []>;
3639 def CMP16rr_alt : I<0x3B, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
3640 "cmp{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize;
3641 def CMP32rr_alt : I<0x3B, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
3642 "cmp{l}\t{$src2, $src1|$src1, $src2}", []>;
3645 def CMP8ri : Ii8<0x80, MRM7r,
3646 (outs), (ins GR8:$src1, i8imm:$src2),
3647 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3648 [(set EFLAGS, (X86cmp GR8:$src1, imm:$src2))]>;
3649 def CMP16ri : Ii16<0x81, MRM7r,
3650 (outs), (ins GR16:$src1, i16imm:$src2),
3651 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3652 [(set EFLAGS, (X86cmp GR16:$src1, imm:$src2))]>, OpSize;
3653 def CMP32ri : Ii32<0x81, MRM7r,
3654 (outs), (ins GR32:$src1, i32imm:$src2),
3655 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3656 [(set EFLAGS, (X86cmp GR32:$src1, imm:$src2))]>;
3657 def CMP8mi : Ii8 <0x80, MRM7m,
3658 (outs), (ins i8mem :$src1, i8imm :$src2),
3659 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3660 [(set EFLAGS, (X86cmp (loadi8 addr:$src1), imm:$src2))]>;
3661 def CMP16mi : Ii16<0x81, MRM7m,
3662 (outs), (ins i16mem:$src1, i16imm:$src2),
3663 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3664 [(set EFLAGS, (X86cmp (loadi16 addr:$src1), imm:$src2))]>,
3666 def CMP32mi : Ii32<0x81, MRM7m,
3667 (outs), (ins i32mem:$src1, i32imm:$src2),
3668 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3669 [(set EFLAGS, (X86cmp (loadi32 addr:$src1), imm:$src2))]>;
3670 def CMP16ri8 : Ii8<0x83, MRM7r,
3671 (outs), (ins GR16:$src1, i16i8imm:$src2),
3672 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3673 [(set EFLAGS, (X86cmp GR16:$src1, i16immSExt8:$src2))]>,
3675 def CMP16mi8 : Ii8<0x83, MRM7m,
3676 (outs), (ins i16mem:$src1, i16i8imm:$src2),
3677 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3678 [(set EFLAGS, (X86cmp (loadi16 addr:$src1),
3679 i16immSExt8:$src2))]>, OpSize;
3680 def CMP32mi8 : Ii8<0x83, MRM7m,
3681 (outs), (ins i32mem:$src1, i32i8imm:$src2),
3682 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3683 [(set EFLAGS, (X86cmp (loadi32 addr:$src1),
3684 i32immSExt8:$src2))]>;
3685 def CMP32ri8 : Ii8<0x83, MRM7r,
3686 (outs), (ins GR32:$src1, i32i8imm:$src2),
3687 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3688 [(set EFLAGS, (X86cmp GR32:$src1, i32immSExt8:$src2))]>;
3689 } // Defs = [EFLAGS]
3692 // TODO: BTC, BTR, and BTS
3693 let Defs = [EFLAGS] in {
3694 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3695 "bt{w}\t{$src2, $src1|$src1, $src2}",
3696 [(set EFLAGS, (X86bt GR16:$src1, GR16:$src2))]>, OpSize, TB;
3697 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3698 "bt{l}\t{$src2, $src1|$src1, $src2}",
3699 [(set EFLAGS, (X86bt GR32:$src1, GR32:$src2))]>, TB;
3701 // Unlike with the register+register form, the memory+register form of the
3702 // bt instruction does not ignore the high bits of the index. From ISel's
3703 // perspective, this is pretty bizarre. Make these instructions disassembly
3706 def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3707 "bt{w}\t{$src2, $src1|$src1, $src2}",
3708 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
3709 // (implicit EFLAGS)]
3711 >, OpSize, TB, Requires<[FastBTMem]>;
3712 def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3713 "bt{l}\t{$src2, $src1|$src1, $src2}",
3714 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
3715 // (implicit EFLAGS)]
3717 >, TB, Requires<[FastBTMem]>;
3719 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3720 "bt{w}\t{$src2, $src1|$src1, $src2}",
3721 [(set EFLAGS, (X86bt GR16:$src1, i16immSExt8:$src2))]>,
3723 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3724 "bt{l}\t{$src2, $src1|$src1, $src2}",
3725 [(set EFLAGS, (X86bt GR32:$src1, i32immSExt8:$src2))]>, TB;
3726 // Note that these instructions don't need FastBTMem because that
3727 // only applies when the other operand is in a register. When it's
3728 // an immediate, bt is still fast.
3729 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3730 "bt{w}\t{$src2, $src1|$src1, $src2}",
3731 [(set EFLAGS, (X86bt (loadi16 addr:$src1), i16immSExt8:$src2))
3733 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3734 "bt{l}\t{$src2, $src1|$src1, $src2}",
3735 [(set EFLAGS, (X86bt (loadi32 addr:$src1), i32immSExt8:$src2))
3738 def BTC16rr : I<0xBB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3739 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3740 def BTC32rr : I<0xBB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3741 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3742 def BTC16mr : I<0xBB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3743 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3744 def BTC32mr : I<0xBB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3745 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3746 def BTC16ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3747 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3748 def BTC32ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3749 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3750 def BTC16mi8 : Ii8<0xBA, MRM7m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3751 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3752 def BTC32mi8 : Ii8<0xBA, MRM7m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3753 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3755 def BTR16rr : I<0xB3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3756 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3757 def BTR32rr : I<0xB3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3758 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3759 def BTR16mr : I<0xB3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3760 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3761 def BTR32mr : I<0xB3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3762 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3763 def BTR16ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3764 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3765 def BTR32ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3766 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3767 def BTR16mi8 : Ii8<0xBA, MRM6m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3768 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3769 def BTR32mi8 : Ii8<0xBA, MRM6m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3770 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3772 def BTS16rr : I<0xAB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3773 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3774 def BTS32rr : I<0xAB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3775 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3776 def BTS16mr : I<0xAB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3777 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3778 def BTS32mr : I<0xAB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3779 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3780 def BTS16ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3781 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3782 def BTS32ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3783 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3784 def BTS16mi8 : Ii8<0xBA, MRM5m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3785 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3786 def BTS32mi8 : Ii8<0xBA, MRM5m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3787 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3788 } // Defs = [EFLAGS]
3790 // Sign/Zero extenders
3791 // Use movsbl intead of movsbw; we don't care about the high 16 bits
3792 // of the register here. This has a smaller encoding and avoids a
3793 // partial-register update. Actual movsbw included for the disassembler.
3794 def MOVSX16rr8W : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src),
3795 "movs{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3796 def MOVSX16rm8W : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src),
3797 "movs{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3798 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3799 "", [(set GR16:$dst, (sext GR8:$src))]>, TB;
3800 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3801 "", [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
3802 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3803 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3804 [(set GR32:$dst, (sext GR8:$src))]>, TB;
3805 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3806 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3807 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
3808 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3809 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3810 [(set GR32:$dst, (sext GR16:$src))]>, TB;
3811 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3812 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3813 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
3815 // Use movzbl intead of movzbw; we don't care about the high 16 bits
3816 // of the register here. This has a smaller encoding and avoids a
3817 // partial-register update. Actual movzbw included for the disassembler.
3818 def MOVZX16rr8W : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src),
3819 "movz{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3820 def MOVZX16rm8W : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src),
3821 "movz{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3822 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3823 "", [(set GR16:$dst, (zext GR8:$src))]>, TB;
3824 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3825 "", [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
3826 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3827 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3828 [(set GR32:$dst, (zext GR8:$src))]>, TB;
3829 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3830 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3831 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
3832 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3833 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3834 [(set GR32:$dst, (zext GR16:$src))]>, TB;
3835 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3836 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3837 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
3839 // These are the same as the regular MOVZX32rr8 and MOVZX32rm8
3840 // except that they use GR32_NOREX for the output operand register class
3841 // instead of GR32. This allows them to operate on h registers on x86-64.
3842 def MOVZX32_NOREXrr8 : I<0xB6, MRMSrcReg,
3843 (outs GR32_NOREX:$dst), (ins GR8:$src),
3844 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3847 def MOVZX32_NOREXrm8 : I<0xB6, MRMSrcMem,
3848 (outs GR32_NOREX:$dst), (ins i8mem:$src),
3849 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3852 let neverHasSideEffects = 1 in {
3853 let Defs = [AX], Uses = [AL] in
3854 def CBW : I<0x98, RawFrm, (outs), (ins),
3855 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
3856 let Defs = [EAX], Uses = [AX] in
3857 def CWDE : I<0x98, RawFrm, (outs), (ins),
3858 "{cwtl|cwde}", []>; // EAX = signext(AX)
3860 let Defs = [AX,DX], Uses = [AX] in
3861 def CWD : I<0x99, RawFrm, (outs), (ins),
3862 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
3863 let Defs = [EAX,EDX], Uses = [EAX] in
3864 def CDQ : I<0x99, RawFrm, (outs), (ins),
3865 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
3868 //===----------------------------------------------------------------------===//
3869 // Alias Instructions
3870 //===----------------------------------------------------------------------===//
3872 // Alias instructions that map movr0 to xor.
3873 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
3874 // FIXME: Set encoding to pseudo.
3875 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1,
3876 isCodeGenOnly = 1 in {
3877 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins), "",
3878 [(set GR8:$dst, 0)]>;
3880 // We want to rewrite MOV16r0 in terms of MOV32r0, because it's a smaller
3881 // encoding and avoids a partial-register update sometimes, but doing so
3882 // at isel time interferes with rematerialization in the current register
3883 // allocator. For now, this is rewritten when the instruction is lowered
3885 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
3887 [(set GR16:$dst, 0)]>, OpSize;
3889 // FIXME: Set encoding to pseudo.
3890 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins), "",
3891 [(set GR32:$dst, 0)]>;
3894 //===----------------------------------------------------------------------===//
3895 // Thread Local Storage Instructions
3899 // All calls clobber the non-callee saved registers. ESP is marked as
3900 // a use to prevent stack-pointer assignments that appear immediately
3901 // before calls from potentially appearing dead.
3902 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
3903 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
3904 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
3905 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
3907 def TLS_addr32 : I<0, Pseudo, (outs), (ins i32mem:$sym),
3908 "leal\t$sym, %eax; "
3909 "call\t___tls_get_addr@PLT",
3910 [(X86tlsaddr tls32addr:$sym)]>,
3911 Requires<[In32BitMode]>;
3913 // Darwin TLS Support
3914 // For i386, the address of the thunk is passed on the stack, on return the
3915 // address of the variable is in %eax. %ecx is trashed during the function
3916 // call. All other registers are preserved.
3917 let Defs = [EAX, ECX],
3919 usesCustomInserter = 1 in
3920 def TLSCall_32 : I<0, Pseudo, (outs), (ins i32mem:$sym),
3922 [(X86TLSCall addr:$sym)]>,
3923 Requires<[In32BitMode]>;
3925 let AddedComplexity = 5, isCodeGenOnly = 1 in
3926 def GS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3927 "movl\t%gs:$src, $dst",
3928 [(set GR32:$dst, (gsload addr:$src))]>, SegGS;
3930 let AddedComplexity = 5, isCodeGenOnly = 1 in
3931 def FS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3932 "movl\t%fs:$src, $dst",
3933 [(set GR32:$dst, (fsload addr:$src))]>, SegFS;
3935 //===----------------------------------------------------------------------===//
3936 // EH Pseudo Instructions
3938 let isTerminator = 1, isReturn = 1, isBarrier = 1,
3939 hasCtrlDep = 1, isCodeGenOnly = 1 in {
3940 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
3941 "ret\t#eh_return, addr: $addr",
3942 [(X86ehret GR32:$addr)]>;
3946 //===----------------------------------------------------------------------===//
3952 // TODO: Get this to fold the constant into the instruction.
3953 def OR32mrLocked : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$zero),
3955 "or{l}\t{$zero, $dst|$dst, $zero}",
3956 []>, Requires<[In32BitMode]>, LOCK;
3958 let hasSideEffects = 1 in {
3959 def Int_MemBarrier : I<0, Pseudo, (outs), (ins),
3961 [(X86MemBarrier)]>, Requires<[HasSSE2]>;
3964 // Atomic swap. These are just normal xchg instructions. But since a memory
3965 // operand is referenced, the atomicity is ensured.
3966 let Constraints = "$val = $dst" in {
3967 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst),
3968 (ins GR32:$val, i32mem:$ptr),
3969 "xchg{l}\t{$val, $ptr|$ptr, $val}",
3970 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
3971 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst),
3972 (ins GR16:$val, i16mem:$ptr),
3973 "xchg{w}\t{$val, $ptr|$ptr, $val}",
3974 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
3976 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr),
3977 "xchg{b}\t{$val, $ptr|$ptr, $val}",
3978 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
3980 def XCHG32rr : I<0x87, MRMSrcReg, (outs GR32:$dst), (ins GR32:$val, GR32:$src),
3981 "xchg{l}\t{$val, $src|$src, $val}", []>;
3982 def XCHG16rr : I<0x87, MRMSrcReg, (outs GR16:$dst), (ins GR16:$val, GR16:$src),
3983 "xchg{w}\t{$val, $src|$src, $val}", []>, OpSize;
3984 def XCHG8rr : I<0x86, MRMSrcReg, (outs GR8:$dst), (ins GR8:$val, GR8:$src),
3985 "xchg{b}\t{$val, $src|$src, $val}", []>;
3988 def XCHG16ar : I<0x90, AddRegFrm, (outs), (ins GR16:$src),
3989 "xchg{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3990 def XCHG32ar : I<0x90, AddRegFrm, (outs), (ins GR32:$src),
3991 "xchg{l}\t{$src, %eax|%eax, $src}", []>;
3993 // Atomic compare and swap.
3994 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
3995 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
3997 "cmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
3998 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
4000 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
4001 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$ptr),
4004 [(X86cas8 addr:$ptr)]>, TB, LOCK;
4007 let Defs = [AX, EFLAGS], Uses = [AX] in {
4008 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
4010 "cmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
4011 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
4013 let Defs = [AL, EFLAGS], Uses = [AL] in {
4014 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
4016 "cmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
4017 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
4020 // Atomic exchange and add
4021 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
4022 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins GR32:$val, i32mem:$ptr),
4024 "xadd{l}\t{$val, $ptr|$ptr, $val}",
4025 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
4027 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins GR16:$val, i16mem:$ptr),
4029 "xadd{w}\t{$val, $ptr|$ptr, $val}",
4030 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
4032 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr),
4034 "xadd{b}\t{$val, $ptr|$ptr, $val}",
4035 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
4039 def XADD8rr : I<0xC0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
4040 "xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
4041 def XADD16rr : I<0xC1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
4042 "xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4043 def XADD32rr : I<0xC1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
4044 "xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
4046 let mayLoad = 1, mayStore = 1 in {
4047 def XADD8rm : I<0xC0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
4048 "xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
4049 def XADD16rm : I<0xC1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
4050 "xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4051 def XADD32rm : I<0xC1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
4052 "xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
4055 def CMPXCHG8rr : I<0xB0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
4056 "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
4057 def CMPXCHG16rr : I<0xB1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
4058 "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4059 def CMPXCHG32rr : I<0xB1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
4060 "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
4062 let mayLoad = 1, mayStore = 1 in {
4063 def CMPXCHG8rm : I<0xB0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
4064 "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
4065 def CMPXCHG16rm : I<0xB1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
4066 "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4067 def CMPXCHG32rm : I<0xB1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
4068 "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
4071 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in
4072 def CMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$dst),
4073 "cmpxchg8b\t$dst", []>, TB;
4075 // Optimized codegen when the non-memory output is not used.
4076 // FIXME: Use normal add / sub instructions and add lock prefix dynamically.
4077 let Defs = [EFLAGS], mayLoad = 1, mayStore = 1 in {
4078 def LOCK_ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
4080 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4081 def LOCK_ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
4083 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4084 def LOCK_ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
4086 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4087 def LOCK_ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
4089 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4090 def LOCK_ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
4092 "add{w}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4093 def LOCK_ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
4095 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4096 def LOCK_ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
4098 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4099 def LOCK_ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
4101 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4103 def LOCK_INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst),
4105 "inc{b}\t$dst", []>, LOCK;
4106 def LOCK_INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst),
4108 "inc{w}\t$dst", []>, OpSize, LOCK;
4109 def LOCK_INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst),
4111 "inc{l}\t$dst", []>, LOCK;
4113 def LOCK_SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
4115 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4116 def LOCK_SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
4118 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4119 def LOCK_SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
4121 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4122 def LOCK_SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
4124 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4125 def LOCK_SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
4127 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4128 def LOCK_SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
4130 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4131 def LOCK_SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
4133 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4134 def LOCK_SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
4136 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4138 def LOCK_DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst),
4140 "dec{b}\t$dst", []>, LOCK;
4141 def LOCK_DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst),
4143 "dec{w}\t$dst", []>, OpSize, LOCK;
4144 def LOCK_DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst),
4146 "dec{l}\t$dst", []>, LOCK;
4149 // Atomic exchange, and, or, xor
4150 let Constraints = "$val = $dst", Defs = [EFLAGS],
4151 usesCustomInserter = 1 in {
4152 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4153 "#ATOMAND32 PSEUDO!",
4154 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
4155 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4156 "#ATOMOR32 PSEUDO!",
4157 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
4158 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4159 "#ATOMXOR32 PSEUDO!",
4160 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
4161 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4162 "#ATOMNAND32 PSEUDO!",
4163 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
4164 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
4165 "#ATOMMIN32 PSEUDO!",
4166 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
4167 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4168 "#ATOMMAX32 PSEUDO!",
4169 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
4170 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4171 "#ATOMUMIN32 PSEUDO!",
4172 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
4173 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4174 "#ATOMUMAX32 PSEUDO!",
4175 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
4177 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4178 "#ATOMAND16 PSEUDO!",
4179 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
4180 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4181 "#ATOMOR16 PSEUDO!",
4182 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
4183 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4184 "#ATOMXOR16 PSEUDO!",
4185 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
4186 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4187 "#ATOMNAND16 PSEUDO!",
4188 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
4189 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
4190 "#ATOMMIN16 PSEUDO!",
4191 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
4192 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4193 "#ATOMMAX16 PSEUDO!",
4194 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
4195 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4196 "#ATOMUMIN16 PSEUDO!",
4197 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
4198 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4199 "#ATOMUMAX16 PSEUDO!",
4200 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
4202 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4203 "#ATOMAND8 PSEUDO!",
4204 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
4205 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4207 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
4208 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4209 "#ATOMXOR8 PSEUDO!",
4210 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
4211 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4212 "#ATOMNAND8 PSEUDO!",
4213 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
4216 let Constraints = "$val1 = $dst1, $val2 = $dst2",
4217 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
4218 Uses = [EAX, EBX, ECX, EDX],
4219 mayLoad = 1, mayStore = 1,
4220 usesCustomInserter = 1 in {
4221 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4222 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4223 "#ATOMAND6432 PSEUDO!", []>;
4224 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4225 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4226 "#ATOMOR6432 PSEUDO!", []>;
4227 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4228 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4229 "#ATOMXOR6432 PSEUDO!", []>;
4230 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4231 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4232 "#ATOMNAND6432 PSEUDO!", []>;
4233 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4234 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4235 "#ATOMADD6432 PSEUDO!", []>;
4236 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4237 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4238 "#ATOMSUB6432 PSEUDO!", []>;
4239 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4240 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4241 "#ATOMSWAP6432 PSEUDO!", []>;
4244 // Segmentation support instructions.
4246 def LAR16rm : I<0x02, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
4247 "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4248 def LAR16rr : I<0x02, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
4249 "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4251 // i16mem operand in LAR32rm and GR32 operand in LAR32rr is not a typo.
4252 def LAR32rm : I<0x02, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
4253 "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
4254 def LAR32rr : I<0x02, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4255 "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
4257 def LSL16rm : I<0x03, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
4258 "lsl{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4259 def LSL16rr : I<0x03, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
4260 "lsl{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4261 def LSL32rm : I<0x03, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
4262 "lsl{l}\t{$src, $dst|$dst, $src}", []>, TB;
4263 def LSL32rr : I<0x03, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4264 "lsl{l}\t{$src, $dst|$dst, $src}", []>, TB;
4266 def INVLPG : I<0x01, MRM7m, (outs), (ins i8mem:$addr), "invlpg\t$addr", []>, TB;
4268 def STRr : I<0x00, MRM1r, (outs GR16:$dst), (ins),
4269 "str{w}\t{$dst}", []>, TB;
4270 def STRm : I<0x00, MRM1m, (outs i16mem:$dst), (ins),
4271 "str{w}\t{$dst}", []>, TB;
4272 def LTRr : I<0x00, MRM3r, (outs), (ins GR16:$src),
4273 "ltr{w}\t{$src}", []>, TB;
4274 def LTRm : I<0x00, MRM3m, (outs), (ins i16mem:$src),
4275 "ltr{w}\t{$src}", []>, TB;
4277 def PUSHCS16 : I<0x0E, RawFrm, (outs), (ins),
4278 "push{w}\t%cs", []>, Requires<[In32BitMode]>, OpSize;
4279 def PUSHCS32 : I<0x0E, RawFrm, (outs), (ins),
4280 "push{l}\t%cs", []>, Requires<[In32BitMode]>;
4281 def PUSHSS16 : I<0x16, RawFrm, (outs), (ins),
4282 "push{w}\t%ss", []>, Requires<[In32BitMode]>, OpSize;
4283 def PUSHSS32 : I<0x16, RawFrm, (outs), (ins),
4284 "push{l}\t%ss", []>, Requires<[In32BitMode]>;
4285 def PUSHDS16 : I<0x1E, RawFrm, (outs), (ins),
4286 "push{w}\t%ds", []>, Requires<[In32BitMode]>, OpSize;
4287 def PUSHDS32 : I<0x1E, RawFrm, (outs), (ins),
4288 "push{l}\t%ds", []>, Requires<[In32BitMode]>;
4289 def PUSHES16 : I<0x06, RawFrm, (outs), (ins),
4290 "push{w}\t%es", []>, Requires<[In32BitMode]>, OpSize;
4291 def PUSHES32 : I<0x06, RawFrm, (outs), (ins),
4292 "push{l}\t%es", []>, Requires<[In32BitMode]>;
4294 def PUSHFS16 : I<0xa0, RawFrm, (outs), (ins),
4295 "push{w}\t%fs", []>, OpSize, TB;
4296 def PUSHFS32 : I<0xa0, RawFrm, (outs), (ins),
4297 "push{l}\t%fs", []>, TB, Requires<[In32BitMode]>;
4298 def PUSHGS16 : I<0xa8, RawFrm, (outs), (ins),
4299 "push{w}\t%gs", []>, OpSize, TB;
4300 def PUSHGS32 : I<0xa8, RawFrm, (outs), (ins),
4301 "push{l}\t%gs", []>, TB, Requires<[In32BitMode]>;
4303 // No "pop cs" instruction.
4304 def POPSS16 : I<0x17, RawFrm, (outs), (ins),
4305 "pop{w}\t%ss", []>, OpSize, Requires<[In32BitMode]>;
4306 def POPSS32 : I<0x17, RawFrm, (outs), (ins),
4307 "pop{l}\t%ss", []> , Requires<[In32BitMode]>;
4308 def POPDS16 : I<0x1F, RawFrm, (outs), (ins),
4309 "pop{w}\t%ds", []>, OpSize, Requires<[In32BitMode]>;
4310 def POPDS32 : I<0x1F, RawFrm, (outs), (ins),
4311 "pop{l}\t%ds", []> , Requires<[In32BitMode]>;
4312 def POPES16 : I<0x07, RawFrm, (outs), (ins),
4313 "pop{w}\t%es", []>, OpSize, Requires<[In32BitMode]>;
4314 def POPES32 : I<0x07, RawFrm, (outs), (ins),
4315 "pop{l}\t%es", []> , Requires<[In32BitMode]>;
4316 def POPFS16 : I<0xa1, RawFrm, (outs), (ins),
4317 "pop{w}\t%fs", []>, OpSize, TB;
4318 def POPFS32 : I<0xa1, RawFrm, (outs), (ins),
4319 "pop{l}\t%fs", []>, TB , Requires<[In32BitMode]>;
4320 def POPGS16 : I<0xa9, RawFrm, (outs), (ins),
4321 "pop{w}\t%gs", []>, OpSize, TB;
4322 def POPGS32 : I<0xa9, RawFrm, (outs), (ins),
4323 "pop{l}\t%gs", []>, TB , Requires<[In32BitMode]>;
4325 def LDS16rm : I<0xc5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4326 "lds{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
4327 def LDS32rm : I<0xc5, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4328 "lds{l}\t{$src, $dst|$dst, $src}", []>;
4329 def LSS16rm : I<0xb2, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4330 "lss{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4331 def LSS32rm : I<0xb2, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4332 "lss{l}\t{$src, $dst|$dst, $src}", []>, TB;
4333 def LES16rm : I<0xc4, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4334 "les{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
4335 def LES32rm : I<0xc4, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4336 "les{l}\t{$src, $dst|$dst, $src}", []>;
4337 def LFS16rm : I<0xb4, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4338 "lfs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4339 def LFS32rm : I<0xb4, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4340 "lfs{l}\t{$src, $dst|$dst, $src}", []>, TB;
4341 def LGS16rm : I<0xb5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4342 "lgs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4343 def LGS32rm : I<0xb5, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4344 "lgs{l}\t{$src, $dst|$dst, $src}", []>, TB;
4346 def VERRr : I<0x00, MRM4r, (outs), (ins GR16:$seg),
4347 "verr\t$seg", []>, TB;
4348 def VERRm : I<0x00, MRM4m, (outs), (ins i16mem:$seg),
4349 "verr\t$seg", []>, TB;
4350 def VERWr : I<0x00, MRM5r, (outs), (ins GR16:$seg),
4351 "verw\t$seg", []>, TB;
4352 def VERWm : I<0x00, MRM5m, (outs), (ins i16mem:$seg),
4353 "verw\t$seg", []>, TB;
4355 // Descriptor-table support instructions
4357 def SGDTm : I<0x01, MRM0m, (outs opaque48mem:$dst), (ins),
4358 "sgdt\t$dst", []>, TB;
4359 def SIDTm : I<0x01, MRM1m, (outs opaque48mem:$dst), (ins),
4360 "sidt\t$dst", []>, TB;
4361 def SLDT16r : I<0x00, MRM0r, (outs GR16:$dst), (ins),
4362 "sldt{w}\t$dst", []>, TB;
4363 def SLDT16m : I<0x00, MRM0m, (outs i16mem:$dst), (ins),
4364 "sldt{w}\t$dst", []>, TB;
4365 def LGDTm : I<0x01, MRM2m, (outs), (ins opaque48mem:$src),
4366 "lgdt\t$src", []>, TB;
4367 def LIDTm : I<0x01, MRM3m, (outs), (ins opaque48mem:$src),
4368 "lidt\t$src", []>, TB;
4369 def LLDT16r : I<0x00, MRM2r, (outs), (ins GR16:$src),
4370 "lldt{w}\t$src", []>, TB;
4371 def LLDT16m : I<0x00, MRM2m, (outs), (ins i16mem:$src),
4372 "lldt{w}\t$src", []>, TB;
4374 // Lock instruction prefix
4375 def LOCK_PREFIX : I<0xF0, RawFrm, (outs), (ins), "lock", []>;
4377 // Repeat string operation instruction prefixes
4378 // These uses the DF flag in the EFLAGS register to inc or dec ECX
4379 let Defs = [ECX], Uses = [ECX,EFLAGS] in {
4380 // Repeat (used with INS, OUTS, MOVS, LODS and STOS)
4381 def REP_PREFIX : I<0xF3, RawFrm, (outs), (ins), "rep", []>;
4382 // Repeat while not equal (used with CMPS and SCAS)
4383 def REPNE_PREFIX : I<0xF2, RawFrm, (outs), (ins), "repne", []>;
4386 // Segment override instruction prefixes
4387 def CS_PREFIX : I<0x2E, RawFrm, (outs), (ins), "cs", []>;
4388 def SS_PREFIX : I<0x36, RawFrm, (outs), (ins), "ss", []>;
4389 def DS_PREFIX : I<0x3E, RawFrm, (outs), (ins), "ds", []>;
4390 def ES_PREFIX : I<0x26, RawFrm, (outs), (ins), "es", []>;
4391 def FS_PREFIX : I<0x64, RawFrm, (outs), (ins), "fs", []>;
4392 def GS_PREFIX : I<0x65, RawFrm, (outs), (ins), "gs", []>;
4394 // String manipulation instructions
4396 def LODSB : I<0xAC, RawFrm, (outs), (ins), "lodsb", []>;
4397 def LODSW : I<0xAD, RawFrm, (outs), (ins), "lodsw", []>, OpSize;
4398 def LODSD : I<0xAD, RawFrm, (outs), (ins), "lods{l|d}", []>;
4400 def OUTSB : I<0x6E, RawFrm, (outs), (ins), "outsb", []>;
4401 def OUTSW : I<0x6F, RawFrm, (outs), (ins), "outsw", []>, OpSize;
4402 def OUTSD : I<0x6F, RawFrm, (outs), (ins), "outs{l|d}", []>;
4404 // CPU flow control instructions
4406 def HLT : I<0xF4, RawFrm, (outs), (ins), "hlt", []>;
4407 def RSM : I<0xAA, RawFrm, (outs), (ins), "rsm", []>, TB;
4409 // FPU control instructions
4411 def FNINIT : I<0xE3, RawFrm, (outs), (ins), "fninit", []>, DB;
4413 // Flag instructions
4415 def CLC : I<0xF8, RawFrm, (outs), (ins), "clc", []>;
4416 def STC : I<0xF9, RawFrm, (outs), (ins), "stc", []>;
4417 def CLI : I<0xFA, RawFrm, (outs), (ins), "cli", []>;
4418 def STI : I<0xFB, RawFrm, (outs), (ins), "sti", []>;
4419 def CLD : I<0xFC, RawFrm, (outs), (ins), "cld", []>;
4420 def STD : I<0xFD, RawFrm, (outs), (ins), "std", []>;
4421 def CMC : I<0xF5, RawFrm, (outs), (ins), "cmc", []>;
4423 def CLTS : I<0x06, RawFrm, (outs), (ins), "clts", []>, TB;
4425 // Table lookup instructions
4427 def XLAT : I<0xD7, RawFrm, (outs), (ins), "xlatb", []>;
4429 // Specialized register support
4431 def WRMSR : I<0x30, RawFrm, (outs), (ins), "wrmsr", []>, TB;
4432 def RDMSR : I<0x32, RawFrm, (outs), (ins), "rdmsr", []>, TB;
4433 def RDPMC : I<0x33, RawFrm, (outs), (ins), "rdpmc", []>, TB;
4435 def SMSW16r : I<0x01, MRM4r, (outs GR16:$dst), (ins),
4436 "smsw{w}\t$dst", []>, OpSize, TB;
4437 def SMSW32r : I<0x01, MRM4r, (outs GR32:$dst), (ins),
4438 "smsw{l}\t$dst", []>, TB;
4439 // For memory operands, there is only a 16-bit form
4440 def SMSW16m : I<0x01, MRM4m, (outs i16mem:$dst), (ins),
4441 "smsw{w}\t$dst", []>, TB;
4443 def LMSW16r : I<0x01, MRM6r, (outs), (ins GR16:$src),
4444 "lmsw{w}\t$src", []>, TB;
4445 def LMSW16m : I<0x01, MRM6m, (outs), (ins i16mem:$src),
4446 "lmsw{w}\t$src", []>, TB;
4448 def CPUID : I<0xA2, RawFrm, (outs), (ins), "cpuid", []>, TB;
4450 // Cache instructions
4452 def INVD : I<0x08, RawFrm, (outs), (ins), "invd", []>, TB;
4453 def WBINVD : I<0x09, RawFrm, (outs), (ins), "wbinvd", []>, TB;
4458 def INVEPT : I<0x80, RawFrm, (outs), (ins), "invept", []>, OpSize, T8;
4460 def INVVPID : I<0x81, RawFrm, (outs), (ins), "invvpid", []>, OpSize, T8;
4462 def VMCALL : I<0x01, MRM_C1, (outs), (ins), "vmcall", []>, TB;
4463 def VMCLEARm : I<0xC7, MRM6m, (outs), (ins i64mem:$vmcs),
4464 "vmclear\t$vmcs", []>, OpSize, TB;
4466 def VMLAUNCH : I<0x01, MRM_C2, (outs), (ins), "vmlaunch", []>, TB;
4468 def VMRESUME : I<0x01, MRM_C3, (outs), (ins), "vmresume", []>, TB;
4469 def VMPTRLDm : I<0xC7, MRM6m, (outs), (ins i64mem:$vmcs),
4470 "vmptrld\t$vmcs", []>, TB;
4471 def VMPTRSTm : I<0xC7, MRM7m, (outs i64mem:$vmcs), (ins),
4472 "vmptrst\t$vmcs", []>, TB;
4473 def VMREAD64rm : I<0x78, MRMDestMem, (outs i64mem:$dst), (ins GR64:$src),
4474 "vmread{q}\t{$src, $dst|$dst, $src}", []>, TB;
4475 def VMREAD64rr : I<0x78, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
4476 "vmread{q}\t{$src, $dst|$dst, $src}", []>, TB;
4477 def VMREAD32rm : I<0x78, MRMDestMem, (outs i32mem:$dst), (ins GR32:$src),
4478 "vmread{l}\t{$src, $dst|$dst, $src}", []>, TB;
4479 def VMREAD32rr : I<0x78, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
4480 "vmread{l}\t{$src, $dst|$dst, $src}", []>, TB;
4481 def VMWRITE64rm : I<0x79, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
4482 "vmwrite{q}\t{$src, $dst|$dst, $src}", []>, TB;
4483 def VMWRITE64rr : I<0x79, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
4484 "vmwrite{q}\t{$src, $dst|$dst, $src}", []>, TB;
4485 def VMWRITE32rm : I<0x79, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
4486 "vmwrite{l}\t{$src, $dst|$dst, $src}", []>, TB;
4487 def VMWRITE32rr : I<0x79, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4488 "vmwrite{l}\t{$src, $dst|$dst, $src}", []>, TB;
4490 def VMXOFF : I<0x01, MRM_C4, (outs), (ins), "vmxoff", []>, TB;
4491 def VMXON : I<0xC7, MRM6m, (outs), (ins i64mem:$vmxon),
4492 "vmxon\t{$vmxon}", []>, XS;
4494 //===----------------------------------------------------------------------===//
4495 // Non-Instruction Patterns
4496 //===----------------------------------------------------------------------===//
4498 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
4499 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
4500 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
4501 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
4502 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
4503 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
4504 def : Pat<(i32 (X86Wrapper tblockaddress:$dst)), (MOV32ri tblockaddress:$dst)>;
4506 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
4507 (ADD32ri GR32:$src1, tconstpool:$src2)>;
4508 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
4509 (ADD32ri GR32:$src1, tjumptable:$src2)>;
4510 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
4511 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
4512 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
4513 (ADD32ri GR32:$src1, texternalsym:$src2)>;
4514 def : Pat<(add GR32:$src1, (X86Wrapper tblockaddress:$src2)),
4515 (ADD32ri GR32:$src1, tblockaddress:$src2)>;
4517 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
4518 (MOV32mi addr:$dst, tglobaladdr:$src)>;
4519 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
4520 (MOV32mi addr:$dst, texternalsym:$src)>;
4521 def : Pat<(store (i32 (X86Wrapper tblockaddress:$src)), addr:$dst),
4522 (MOV32mi addr:$dst, tblockaddress:$src)>;
4526 def : Pat<(X86tcret GR32_TC:$dst, imm:$off),
4527 (TCRETURNri GR32_TC:$dst, imm:$off)>,
4528 Requires<[In32BitMode]>;
4530 // FIXME: This is disabled for 32-bit PIC mode because the global base
4531 // register which is part of the address mode may be assigned a
4532 // callee-saved register.
4533 def : Pat<(X86tcret (load addr:$dst), imm:$off),
4534 (TCRETURNmi addr:$dst, imm:$off)>,
4535 Requires<[In32BitMode, IsNotPIC]>;
4537 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
4538 (TCRETURNdi texternalsym:$dst, imm:$off)>,
4539 Requires<[In32BitMode]>;
4541 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
4542 (TCRETURNdi texternalsym:$dst, imm:$off)>,
4543 Requires<[In32BitMode]>;
4545 // Normal calls, with various flavors of addresses.
4546 def : Pat<(X86call (i32 tglobaladdr:$dst)),
4547 (CALLpcrel32 tglobaladdr:$dst)>;
4548 def : Pat<(X86call (i32 texternalsym:$dst)),
4549 (CALLpcrel32 texternalsym:$dst)>;
4550 def : Pat<(X86call (i32 imm:$dst)),
4551 (CALLpcrel32 imm:$dst)>, Requires<[CallImmAddr]>;
4553 // X86 specific add which produces a flag.
4554 def : Pat<(addc GR32:$src1, GR32:$src2),
4555 (ADD32rr GR32:$src1, GR32:$src2)>;
4556 def : Pat<(addc GR32:$src1, (load addr:$src2)),
4557 (ADD32rm GR32:$src1, addr:$src2)>;
4558 def : Pat<(addc GR32:$src1, imm:$src2),
4559 (ADD32ri GR32:$src1, imm:$src2)>;
4560 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
4561 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4563 def : Pat<(subc GR32:$src1, GR32:$src2),
4564 (SUB32rr GR32:$src1, GR32:$src2)>;
4565 def : Pat<(subc GR32:$src1, (load addr:$src2)),
4566 (SUB32rm GR32:$src1, addr:$src2)>;
4567 def : Pat<(subc GR32:$src1, imm:$src2),
4568 (SUB32ri GR32:$src1, imm:$src2)>;
4569 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
4570 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4574 // TEST R,R is smaller than CMP R,0
4575 def : Pat<(X86cmp GR8:$src1, 0),
4576 (TEST8rr GR8:$src1, GR8:$src1)>;
4577 def : Pat<(X86cmp GR16:$src1, 0),
4578 (TEST16rr GR16:$src1, GR16:$src1)>;
4579 def : Pat<(X86cmp GR32:$src1, 0),
4580 (TEST32rr GR32:$src1, GR32:$src1)>;
4582 // Conditional moves with folded loads with operands swapped and conditions
4584 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_B, EFLAGS),
4585 (CMOVAE16rm GR16:$src2, addr:$src1)>;
4586 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_B, EFLAGS),
4587 (CMOVAE32rm GR32:$src2, addr:$src1)>;
4588 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_AE, EFLAGS),
4589 (CMOVB16rm GR16:$src2, addr:$src1)>;
4590 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_AE, EFLAGS),
4591 (CMOVB32rm GR32:$src2, addr:$src1)>;
4592 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_E, EFLAGS),
4593 (CMOVNE16rm GR16:$src2, addr:$src1)>;
4594 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_E, EFLAGS),
4595 (CMOVNE32rm GR32:$src2, addr:$src1)>;
4596 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NE, EFLAGS),
4597 (CMOVE16rm GR16:$src2, addr:$src1)>;
4598 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NE, EFLAGS),
4599 (CMOVE32rm GR32:$src2, addr:$src1)>;
4600 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_BE, EFLAGS),
4601 (CMOVA16rm GR16:$src2, addr:$src1)>;
4602 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_BE, EFLAGS),
4603 (CMOVA32rm GR32:$src2, addr:$src1)>;
4604 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_A, EFLAGS),
4605 (CMOVBE16rm GR16:$src2, addr:$src1)>;
4606 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_A, EFLAGS),
4607 (CMOVBE32rm GR32:$src2, addr:$src1)>;
4608 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_L, EFLAGS),
4609 (CMOVGE16rm GR16:$src2, addr:$src1)>;
4610 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_L, EFLAGS),
4611 (CMOVGE32rm GR32:$src2, addr:$src1)>;
4612 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_GE, EFLAGS),
4613 (CMOVL16rm GR16:$src2, addr:$src1)>;
4614 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_GE, EFLAGS),
4615 (CMOVL32rm GR32:$src2, addr:$src1)>;
4616 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_LE, EFLAGS),
4617 (CMOVG16rm GR16:$src2, addr:$src1)>;
4618 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_LE, EFLAGS),
4619 (CMOVG32rm GR32:$src2, addr:$src1)>;
4620 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_G, EFLAGS),
4621 (CMOVLE16rm GR16:$src2, addr:$src1)>;
4622 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_G, EFLAGS),
4623 (CMOVLE32rm GR32:$src2, addr:$src1)>;
4624 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_P, EFLAGS),
4625 (CMOVNP16rm GR16:$src2, addr:$src1)>;
4626 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_P, EFLAGS),
4627 (CMOVNP32rm GR32:$src2, addr:$src1)>;
4628 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NP, EFLAGS),
4629 (CMOVP16rm GR16:$src2, addr:$src1)>;
4630 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NP, EFLAGS),
4631 (CMOVP32rm GR32:$src2, addr:$src1)>;
4632 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_S, EFLAGS),
4633 (CMOVNS16rm GR16:$src2, addr:$src1)>;
4634 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_S, EFLAGS),
4635 (CMOVNS32rm GR32:$src2, addr:$src1)>;
4636 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NS, EFLAGS),
4637 (CMOVS16rm GR16:$src2, addr:$src1)>;
4638 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NS, EFLAGS),
4639 (CMOVS32rm GR32:$src2, addr:$src1)>;
4640 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_O, EFLAGS),
4641 (CMOVNO16rm GR16:$src2, addr:$src1)>;
4642 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_O, EFLAGS),
4643 (CMOVNO32rm GR32:$src2, addr:$src1)>;
4644 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NO, EFLAGS),
4645 (CMOVO16rm GR16:$src2, addr:$src1)>;
4646 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NO, EFLAGS),
4647 (CMOVO32rm GR32:$src2, addr:$src1)>;
4649 // zextload bool -> zextload byte
4650 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
4651 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
4652 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
4654 // extload bool -> extload byte
4655 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
4656 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
4657 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
4658 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>;
4659 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
4660 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
4662 // anyext. Define these to do an explicit zero-extend to
4663 // avoid partial-register updates.
4664 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>;
4665 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>;
4667 // Except for i16 -> i32 since isel expect i16 ops to be promoted to i32.
4668 def : Pat<(i32 (anyext GR16:$src)),
4669 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR16:$src, sub_16bit)>;
4672 //===----------------------------------------------------------------------===//
4674 //===----------------------------------------------------------------------===//
4676 // Odd encoding trick: -128 fits into an 8-bit immediate field while
4677 // +128 doesn't, so in this special case use a sub instead of an add.
4678 def : Pat<(add GR16:$src1, 128),
4679 (SUB16ri8 GR16:$src1, -128)>;
4680 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
4681 (SUB16mi8 addr:$dst, -128)>;
4682 def : Pat<(add GR32:$src1, 128),
4683 (SUB32ri8 GR32:$src1, -128)>;
4684 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
4685 (SUB32mi8 addr:$dst, -128)>;
4687 // r & (2^16-1) ==> movz
4688 def : Pat<(and GR32:$src1, 0xffff),
4689 (MOVZX32rr16 (EXTRACT_SUBREG GR32:$src1, sub_16bit))>;
4690 // r & (2^8-1) ==> movz
4691 def : Pat<(and GR32:$src1, 0xff),
4692 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src1,
4695 Requires<[In32BitMode]>;
4696 // r & (2^8-1) ==> movz
4697 def : Pat<(and GR16:$src1, 0xff),
4698 (MOVZX16rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src1,
4701 Requires<[In32BitMode]>;
4703 // sext_inreg patterns
4704 def : Pat<(sext_inreg GR32:$src, i16),
4705 (MOVSX32rr16 (EXTRACT_SUBREG GR32:$src, sub_16bit))>;
4706 def : Pat<(sext_inreg GR32:$src, i8),
4707 (MOVSX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4710 Requires<[In32BitMode]>;
4711 def : Pat<(sext_inreg GR16:$src, i8),
4712 (MOVSX16rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4715 Requires<[In32BitMode]>;
4718 def : Pat<(i16 (trunc GR32:$src)),
4719 (EXTRACT_SUBREG GR32:$src, sub_16bit)>;
4720 def : Pat<(i8 (trunc GR32:$src)),
4721 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src, GR32_ABCD)),
4723 Requires<[In32BitMode]>;
4724 def : Pat<(i8 (trunc GR16:$src)),
4725 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4727 Requires<[In32BitMode]>;
4729 // h-register tricks
4730 def : Pat<(i8 (trunc (srl_su GR16:$src, (i8 8)))),
4731 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4733 Requires<[In32BitMode]>;
4734 def : Pat<(i8 (trunc (srl_su GR32:$src, (i8 8)))),
4735 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src, GR32_ABCD)),
4737 Requires<[In32BitMode]>;
4738 def : Pat<(srl GR16:$src, (i8 8)),
4741 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4744 Requires<[In32BitMode]>;
4745 def : Pat<(i32 (zext (srl_su GR16:$src, (i8 8)))),
4746 (MOVZX32rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4749 Requires<[In32BitMode]>;
4750 def : Pat<(i32 (anyext (srl_su GR16:$src, (i8 8)))),
4751 (MOVZX32rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4754 Requires<[In32BitMode]>;
4755 def : Pat<(and (srl_su GR32:$src, (i8 8)), (i32 255)),
4756 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4759 Requires<[In32BitMode]>;
4760 def : Pat<(srl (and_su GR32:$src, 0xff00), (i8 8)),
4761 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4764 Requires<[In32BitMode]>;
4766 // (shl x, 1) ==> (add x, x)
4767 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
4768 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
4769 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
4771 // (shl x (and y, 31)) ==> (shl x, y)
4772 def : Pat<(shl GR8:$src1, (and CL, 31)),
4773 (SHL8rCL GR8:$src1)>;
4774 def : Pat<(shl GR16:$src1, (and CL, 31)),
4775 (SHL16rCL GR16:$src1)>;
4776 def : Pat<(shl GR32:$src1, (and CL, 31)),
4777 (SHL32rCL GR32:$src1)>;
4778 def : Pat<(store (shl (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4779 (SHL8mCL addr:$dst)>;
4780 def : Pat<(store (shl (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4781 (SHL16mCL addr:$dst)>;
4782 def : Pat<(store (shl (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4783 (SHL32mCL addr:$dst)>;
4785 def : Pat<(srl GR8:$src1, (and CL, 31)),
4786 (SHR8rCL GR8:$src1)>;
4787 def : Pat<(srl GR16:$src1, (and CL, 31)),
4788 (SHR16rCL GR16:$src1)>;
4789 def : Pat<(srl GR32:$src1, (and CL, 31)),
4790 (SHR32rCL GR32:$src1)>;
4791 def : Pat<(store (srl (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4792 (SHR8mCL addr:$dst)>;
4793 def : Pat<(store (srl (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4794 (SHR16mCL addr:$dst)>;
4795 def : Pat<(store (srl (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4796 (SHR32mCL addr:$dst)>;
4798 def : Pat<(sra GR8:$src1, (and CL, 31)),
4799 (SAR8rCL GR8:$src1)>;
4800 def : Pat<(sra GR16:$src1, (and CL, 31)),
4801 (SAR16rCL GR16:$src1)>;
4802 def : Pat<(sra GR32:$src1, (and CL, 31)),
4803 (SAR32rCL GR32:$src1)>;
4804 def : Pat<(store (sra (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4805 (SAR8mCL addr:$dst)>;
4806 def : Pat<(store (sra (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4807 (SAR16mCL addr:$dst)>;
4808 def : Pat<(store (sra (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4809 (SAR32mCL addr:$dst)>;
4811 // (anyext (setcc_carry)) -> (setcc_carry)
4812 def : Pat<(i16 (anyext (i8 (X86setcc_c X86_COND_B, EFLAGS)))),
4814 def : Pat<(i32 (anyext (i8 (X86setcc_c X86_COND_B, EFLAGS)))),
4816 def : Pat<(i32 (anyext (i16 (X86setcc_c X86_COND_B, EFLAGS)))),
4819 // (or x1, x2) -> (add x1, x2) if two operands are known not to share bits.
4820 let AddedComplexity = 5 in { // Try this before the selecting to OR
4821 def : Pat<(or_is_add GR16:$src1, imm:$src2),
4822 (ADD16ri GR16:$src1, imm:$src2)>;
4823 def : Pat<(or_is_add GR32:$src1, imm:$src2),
4824 (ADD32ri GR32:$src1, imm:$src2)>;
4825 def : Pat<(or_is_add GR16:$src1, i16immSExt8:$src2),
4826 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4827 def : Pat<(or_is_add GR32:$src1, i32immSExt8:$src2),
4828 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4829 def : Pat<(or_is_add GR16:$src1, GR16:$src2),
4830 (ADD16rr GR16:$src1, GR16:$src2)>;
4831 def : Pat<(or_is_add GR32:$src1, GR32:$src2),
4832 (ADD32rr GR32:$src1, GR32:$src2)>;
4833 } // AddedComplexity
4835 //===----------------------------------------------------------------------===//
4836 // EFLAGS-defining Patterns
4837 //===----------------------------------------------------------------------===//
4840 def : Pat<(add GR8 :$src1, GR8 :$src2), (ADD8rr GR8 :$src1, GR8 :$src2)>;
4841 def : Pat<(add GR16:$src1, GR16:$src2), (ADD16rr GR16:$src1, GR16:$src2)>;
4842 def : Pat<(add GR32:$src1, GR32:$src2), (ADD32rr GR32:$src1, GR32:$src2)>;
4845 def : Pat<(add GR8:$src1, (loadi8 addr:$src2)),
4846 (ADD8rm GR8:$src1, addr:$src2)>;
4847 def : Pat<(add GR16:$src1, (loadi16 addr:$src2)),
4848 (ADD16rm GR16:$src1, addr:$src2)>;
4849 def : Pat<(add GR32:$src1, (loadi32 addr:$src2)),
4850 (ADD32rm GR32:$src1, addr:$src2)>;
4853 def : Pat<(add GR8 :$src1, imm:$src2), (ADD8ri GR8:$src1 , imm:$src2)>;
4854 def : Pat<(add GR16:$src1, imm:$src2), (ADD16ri GR16:$src1, imm:$src2)>;
4855 def : Pat<(add GR32:$src1, imm:$src2), (ADD32ri GR32:$src1, imm:$src2)>;
4856 def : Pat<(add GR16:$src1, i16immSExt8:$src2),
4857 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4858 def : Pat<(add GR32:$src1, i32immSExt8:$src2),
4859 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4862 def : Pat<(sub GR8 :$src1, GR8 :$src2), (SUB8rr GR8 :$src1, GR8 :$src2)>;
4863 def : Pat<(sub GR16:$src1, GR16:$src2), (SUB16rr GR16:$src1, GR16:$src2)>;
4864 def : Pat<(sub GR32:$src1, GR32:$src2), (SUB32rr GR32:$src1, GR32:$src2)>;
4867 def : Pat<(sub GR8:$src1, (loadi8 addr:$src2)),
4868 (SUB8rm GR8:$src1, addr:$src2)>;
4869 def : Pat<(sub GR16:$src1, (loadi16 addr:$src2)),
4870 (SUB16rm GR16:$src1, addr:$src2)>;
4871 def : Pat<(sub GR32:$src1, (loadi32 addr:$src2)),
4872 (SUB32rm GR32:$src1, addr:$src2)>;
4875 def : Pat<(sub GR8:$src1, imm:$src2),
4876 (SUB8ri GR8:$src1, imm:$src2)>;
4877 def : Pat<(sub GR16:$src1, imm:$src2),
4878 (SUB16ri GR16:$src1, imm:$src2)>;
4879 def : Pat<(sub GR32:$src1, imm:$src2),
4880 (SUB32ri GR32:$src1, imm:$src2)>;
4881 def : Pat<(sub GR16:$src1, i16immSExt8:$src2),
4882 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
4883 def : Pat<(sub GR32:$src1, i32immSExt8:$src2),
4884 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4887 def : Pat<(mul GR16:$src1, GR16:$src2),
4888 (IMUL16rr GR16:$src1, GR16:$src2)>;
4889 def : Pat<(mul GR32:$src1, GR32:$src2),
4890 (IMUL32rr GR32:$src1, GR32:$src2)>;
4893 def : Pat<(mul GR16:$src1, (loadi16 addr:$src2)),
4894 (IMUL16rm GR16:$src1, addr:$src2)>;
4895 def : Pat<(mul GR32:$src1, (loadi32 addr:$src2)),
4896 (IMUL32rm GR32:$src1, addr:$src2)>;
4899 def : Pat<(mul GR16:$src1, imm:$src2),
4900 (IMUL16rri GR16:$src1, imm:$src2)>;
4901 def : Pat<(mul GR32:$src1, imm:$src2),
4902 (IMUL32rri GR32:$src1, imm:$src2)>;
4903 def : Pat<(mul GR16:$src1, i16immSExt8:$src2),
4904 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
4905 def : Pat<(mul GR32:$src1, i32immSExt8:$src2),
4906 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
4908 // reg = mul mem, imm
4909 def : Pat<(mul (loadi16 addr:$src1), imm:$src2),
4910 (IMUL16rmi addr:$src1, imm:$src2)>;
4911 def : Pat<(mul (loadi32 addr:$src1), imm:$src2),
4912 (IMUL32rmi addr:$src1, imm:$src2)>;
4913 def : Pat<(mul (loadi16 addr:$src1), i16immSExt8:$src2),
4914 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
4915 def : Pat<(mul (loadi32 addr:$src1), i32immSExt8:$src2),
4916 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
4918 // Optimize multiply by 2 with EFLAGS result.
4919 let AddedComplexity = 2 in {
4920 def : Pat<(X86smul_flag GR16:$src1, 2), (ADD16rr GR16:$src1, GR16:$src1)>;
4921 def : Pat<(X86smul_flag GR32:$src1, 2), (ADD32rr GR32:$src1, GR32:$src1)>;
4924 // Patterns for nodes that do not produce flags, for instructions that do.
4927 def : Pat<(add GR8:$src1 , 1), (INC8r GR8:$src1)>;
4928 def : Pat<(add GR16:$src1, 1), (INC16r GR16:$src1)>, Requires<[In32BitMode]>;
4929 def : Pat<(add GR32:$src1, 1), (INC32r GR32:$src1)>, Requires<[In32BitMode]>;
4932 def : Pat<(add GR8:$src1 , -1), (DEC8r GR8:$src1)>;
4933 def : Pat<(add GR16:$src1, -1), (DEC16r GR16:$src1)>, Requires<[In32BitMode]>;
4934 def : Pat<(add GR32:$src1, -1), (DEC32r GR32:$src1)>, Requires<[In32BitMode]>;
4937 def : Pat<(or GR8 :$src1, GR8 :$src2), (OR8rr GR8 :$src1, GR8 :$src2)>;
4938 def : Pat<(or GR16:$src1, GR16:$src2), (OR16rr GR16:$src1, GR16:$src2)>;
4939 def : Pat<(or GR32:$src1, GR32:$src2), (OR32rr GR32:$src1, GR32:$src2)>;
4942 def : Pat<(or GR8:$src1, (loadi8 addr:$src2)),
4943 (OR8rm GR8:$src1, addr:$src2)>;
4944 def : Pat<(or GR16:$src1, (loadi16 addr:$src2)),
4945 (OR16rm GR16:$src1, addr:$src2)>;
4946 def : Pat<(or GR32:$src1, (loadi32 addr:$src2)),
4947 (OR32rm GR32:$src1, addr:$src2)>;
4950 def : Pat<(or GR8:$src1 , imm:$src2), (OR8ri GR8 :$src1, imm:$src2)>;
4951 def : Pat<(or GR16:$src1, imm:$src2), (OR16ri GR16:$src1, imm:$src2)>;
4952 def : Pat<(or GR32:$src1, imm:$src2), (OR32ri GR32:$src1, imm:$src2)>;
4953 def : Pat<(or GR16:$src1, i16immSExt8:$src2),
4954 (OR16ri8 GR16:$src1, i16immSExt8:$src2)>;
4955 def : Pat<(or GR32:$src1, i32immSExt8:$src2),
4956 (OR32ri8 GR32:$src1, i32immSExt8:$src2)>;
4959 def : Pat<(xor GR8 :$src1, GR8 :$src2), (XOR8rr GR8 :$src1, GR8 :$src2)>;
4960 def : Pat<(xor GR16:$src1, GR16:$src2), (XOR16rr GR16:$src1, GR16:$src2)>;
4961 def : Pat<(xor GR32:$src1, GR32:$src2), (XOR32rr GR32:$src1, GR32:$src2)>;
4964 def : Pat<(xor GR8:$src1, (loadi8 addr:$src2)),
4965 (XOR8rm GR8:$src1, addr:$src2)>;
4966 def : Pat<(xor GR16:$src1, (loadi16 addr:$src2)),
4967 (XOR16rm GR16:$src1, addr:$src2)>;
4968 def : Pat<(xor GR32:$src1, (loadi32 addr:$src2)),
4969 (XOR32rm GR32:$src1, addr:$src2)>;
4972 def : Pat<(xor GR8:$src1, imm:$src2),
4973 (XOR8ri GR8:$src1, imm:$src2)>;
4974 def : Pat<(xor GR16:$src1, imm:$src2),
4975 (XOR16ri GR16:$src1, imm:$src2)>;
4976 def : Pat<(xor GR32:$src1, imm:$src2),
4977 (XOR32ri GR32:$src1, imm:$src2)>;
4978 def : Pat<(xor GR16:$src1, i16immSExt8:$src2),
4979 (XOR16ri8 GR16:$src1, i16immSExt8:$src2)>;
4980 def : Pat<(xor GR32:$src1, i32immSExt8:$src2),
4981 (XOR32ri8 GR32:$src1, i32immSExt8:$src2)>;
4984 def : Pat<(and GR8 :$src1, GR8 :$src2), (AND8rr GR8 :$src1, GR8 :$src2)>;
4985 def : Pat<(and GR16:$src1, GR16:$src2), (AND16rr GR16:$src1, GR16:$src2)>;
4986 def : Pat<(and GR32:$src1, GR32:$src2), (AND32rr GR32:$src1, GR32:$src2)>;
4989 def : Pat<(and GR8:$src1, (loadi8 addr:$src2)),
4990 (AND8rm GR8:$src1, addr:$src2)>;
4991 def : Pat<(and GR16:$src1, (loadi16 addr:$src2)),
4992 (AND16rm GR16:$src1, addr:$src2)>;
4993 def : Pat<(and GR32:$src1, (loadi32 addr:$src2)),
4994 (AND32rm GR32:$src1, addr:$src2)>;
4997 def : Pat<(and GR8:$src1, imm:$src2),
4998 (AND8ri GR8:$src1, imm:$src2)>;
4999 def : Pat<(and GR16:$src1, imm:$src2),
5000 (AND16ri GR16:$src1, imm:$src2)>;
5001 def : Pat<(and GR32:$src1, imm:$src2),
5002 (AND32ri GR32:$src1, imm:$src2)>;
5003 def : Pat<(and GR16:$src1, i16immSExt8:$src2),
5004 (AND16ri8 GR16:$src1, i16immSExt8:$src2)>;
5005 def : Pat<(and GR32:$src1, i32immSExt8:$src2),
5006 (AND32ri8 GR32:$src1, i32immSExt8:$src2)>;
5008 //===----------------------------------------------------------------------===//
5009 // Floating Point Stack Support
5010 //===----------------------------------------------------------------------===//
5012 include "X86InstrFPStack.td"
5014 //===----------------------------------------------------------------------===//
5016 //===----------------------------------------------------------------------===//
5018 include "X86Instr64bit.td"
5020 //===----------------------------------------------------------------------===//
5021 // SIMD support (SSE, MMX and AVX)
5022 //===----------------------------------------------------------------------===//
5024 include "X86InstrFragmentsSIMD.td"
5026 //===----------------------------------------------------------------------===//
5027 // FMA - Fused Multiply-Add support (requires FMA)
5028 //===----------------------------------------------------------------------===//
5030 include "X86InstrFMA.td"
5032 //===----------------------------------------------------------------------===//
5033 // XMM Floating point support (requires SSE / SSE2)
5034 //===----------------------------------------------------------------------===//
5036 include "X86InstrSSE.td"
5038 //===----------------------------------------------------------------------===//
5039 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
5040 //===----------------------------------------------------------------------===//
5042 include "X86InstrMMX.td"