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_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
79 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
81 def SDT_X86MEMBARRIER : SDTypeProfile<0, 0, []>;
82 def SDT_X86MEMBARRIERNoSSE : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
84 def X86MemBarrier : SDNode<"X86ISD::MEMBARRIER", SDT_X86MEMBARRIER,
86 def X86MemBarrierNoSSE : SDNode<"X86ISD::MEMBARRIER", SDT_X86MEMBARRIERNoSSE,
88 def X86MFence : SDNode<"X86ISD::MFENCE", SDT_X86MEMBARRIER,
90 def X86SFence : SDNode<"X86ISD::SFENCE", SDT_X86MEMBARRIER,
92 def X86LFence : SDNode<"X86ISD::LFENCE", SDT_X86MEMBARRIER,
96 def X86bsf : SDNode<"X86ISD::BSF", SDTUnaryArithWithFlags>;
97 def X86bsr : SDNode<"X86ISD::BSR", SDTUnaryArithWithFlags>;
98 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
99 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
101 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
102 def X86bt : SDNode<"X86ISD::BT", SDTX86CmpTest>;
104 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
105 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
107 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
108 def X86setcc_c : SDNode<"X86ISD::SETCC_CARRY", SDTX86SetCC_C>;
110 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
111 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
112 SDNPMayLoad, SDNPMemOperand]>;
113 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86cas8,
114 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
115 SDNPMayLoad, SDNPMemOperand]>;
116 def X86AtomAdd64 : SDNode<"X86ISD::ATOMADD64_DAG", SDTX86atomicBinary,
117 [SDNPHasChain, SDNPMayStore,
118 SDNPMayLoad, SDNPMemOperand]>;
119 def X86AtomSub64 : SDNode<"X86ISD::ATOMSUB64_DAG", SDTX86atomicBinary,
120 [SDNPHasChain, SDNPMayStore,
121 SDNPMayLoad, SDNPMemOperand]>;
122 def X86AtomOr64 : SDNode<"X86ISD::ATOMOR64_DAG", SDTX86atomicBinary,
123 [SDNPHasChain, SDNPMayStore,
124 SDNPMayLoad, SDNPMemOperand]>;
125 def X86AtomXor64 : SDNode<"X86ISD::ATOMXOR64_DAG", SDTX86atomicBinary,
126 [SDNPHasChain, SDNPMayStore,
127 SDNPMayLoad, SDNPMemOperand]>;
128 def X86AtomAnd64 : SDNode<"X86ISD::ATOMAND64_DAG", SDTX86atomicBinary,
129 [SDNPHasChain, SDNPMayStore,
130 SDNPMayLoad, SDNPMemOperand]>;
131 def X86AtomNand64 : SDNode<"X86ISD::ATOMNAND64_DAG", SDTX86atomicBinary,
132 [SDNPHasChain, SDNPMayStore,
133 SDNPMayLoad, SDNPMemOperand]>;
134 def X86AtomSwap64 : SDNode<"X86ISD::ATOMSWAP64_DAG", SDTX86atomicBinary,
135 [SDNPHasChain, SDNPMayStore,
136 SDNPMayLoad, SDNPMemOperand]>;
137 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
138 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
140 def X86vastart_save_xmm_regs :
141 SDNode<"X86ISD::VASTART_SAVE_XMM_REGS",
142 SDT_X86VASTART_SAVE_XMM_REGS,
143 [SDNPHasChain, SDNPVariadic]>;
145 def X86callseq_start :
146 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
147 [SDNPHasChain, SDNPOutFlag]>;
149 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
150 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
152 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
153 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag,
156 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
157 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore]>;
158 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
159 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
162 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG", SDTX86Void,
163 [SDNPHasChain, SDNPOutFlag, SDNPSideEffect]>;
165 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
166 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
168 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
169 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
171 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
174 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
175 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
177 def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags,
179 def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
180 def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags,
182 def X86umul_flag : SDNode<"X86ISD::UMUL", SDTUnaryArithWithFlags,
185 def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>;
186 def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>;
187 def X86or_flag : SDNode<"X86ISD::OR", SDTBinaryArithWithFlags,
189 def X86xor_flag : SDNode<"X86ISD::XOR", SDTBinaryArithWithFlags,
191 def X86and_flag : SDNode<"X86ISD::AND", SDTBinaryArithWithFlags,
194 def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
196 def X86MingwAlloca : SDNode<"X86ISD::MINGW_ALLOCA", SDTX86Void,
197 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
199 def X86TLSCall : SDNode<"X86ISD::TLSCALL", SDT_X86TLSCALL,
202 //===----------------------------------------------------------------------===//
203 // X86 Operand Definitions.
206 // A version of ptr_rc which excludes SP, ESP, and RSP. This is used for
207 // the index operand of an address, to conform to x86 encoding restrictions.
208 def ptr_rc_nosp : PointerLikeRegClass<1>;
210 // *mem - Operand definitions for the funky X86 addressing mode operands.
212 def X86MemAsmOperand : AsmOperandClass {
214 let SuperClasses = [];
216 def X86AbsMemAsmOperand : AsmOperandClass {
218 let SuperClasses = [X86MemAsmOperand];
220 class X86MemOperand<string printMethod> : Operand<iPTR> {
221 let PrintMethod = printMethod;
222 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc_nosp, i32imm, i8imm);
223 let ParserMatchClass = X86MemAsmOperand;
226 def opaque32mem : X86MemOperand<"printopaquemem">;
227 def opaque48mem : X86MemOperand<"printopaquemem">;
228 def opaque80mem : X86MemOperand<"printopaquemem">;
229 def opaque512mem : X86MemOperand<"printopaquemem">;
231 def i8mem : X86MemOperand<"printi8mem">;
232 def i16mem : X86MemOperand<"printi16mem">;
233 def i32mem : X86MemOperand<"printi32mem">;
234 def i64mem : X86MemOperand<"printi64mem">;
235 def i128mem : X86MemOperand<"printi128mem">;
236 def i256mem : X86MemOperand<"printi256mem">;
237 def f32mem : X86MemOperand<"printf32mem">;
238 def f64mem : X86MemOperand<"printf64mem">;
239 def f80mem : X86MemOperand<"printf80mem">;
240 def f128mem : X86MemOperand<"printf128mem">;
241 def f256mem : X86MemOperand<"printf256mem">;
243 // A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
244 // plain GR64, so that it doesn't potentially require a REX prefix.
245 def i8mem_NOREX : Operand<i64> {
246 let PrintMethod = "printi8mem";
247 let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_NOREX_NOSP, i32imm, i8imm);
248 let ParserMatchClass = X86MemAsmOperand;
251 // Special i32mem for addresses of load folding tail calls. These are not
252 // allowed to use callee-saved registers since they must be scheduled
253 // after callee-saved register are popped.
254 def i32mem_TC : Operand<i32> {
255 let PrintMethod = "printi32mem";
256 let MIOperandInfo = (ops GR32_TC, i8imm, GR32_TC, i32imm, i8imm);
257 let ParserMatchClass = X86MemAsmOperand;
261 let ParserMatchClass = X86AbsMemAsmOperand,
262 PrintMethod = "print_pcrel_imm" in {
263 def i32imm_pcrel : Operand<i32>;
264 def i16imm_pcrel : Operand<i16>;
266 def offset8 : Operand<i64>;
267 def offset16 : Operand<i64>;
268 def offset32 : Operand<i64>;
269 def offset64 : Operand<i64>;
271 // Branch targets have OtherVT type and print as pc-relative values.
272 def brtarget : Operand<OtherVT>;
273 def brtarget8 : Operand<OtherVT>;
277 def SSECC : Operand<i8> {
278 let PrintMethod = "printSSECC";
281 class ImmSExtAsmOperandClass : AsmOperandClass {
282 let SuperClasses = [ImmAsmOperand];
283 let RenderMethod = "addImmOperands";
286 // Sign-extended immediate classes. We don't need to define the full lattice
287 // here because there is no instruction with an ambiguity between ImmSExti64i32
290 // The strange ranges come from the fact that the assembler always works with
291 // 64-bit immediates, but for a 16-bit target value we want to accept both "-1"
292 // (which will be a -1ULL), and "0xFF" (-1 in 16-bits).
295 // [0xFFFFFFFF80000000, 0xFFFFFFFFFFFFFFFF]
296 def ImmSExti64i32AsmOperand : ImmSExtAsmOperandClass {
297 let Name = "ImmSExti64i32";
300 // [0, 0x0000007F] | [0x000000000000FF80, 0x000000000000FFFF] |
301 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
302 def ImmSExti16i8AsmOperand : ImmSExtAsmOperandClass {
303 let Name = "ImmSExti16i8";
304 let SuperClasses = [ImmSExti64i32AsmOperand];
307 // [0, 0x0000007F] | [0x00000000FFFFFF80, 0x00000000FFFFFFFF] |
308 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
309 def ImmSExti32i8AsmOperand : ImmSExtAsmOperandClass {
310 let Name = "ImmSExti32i8";
314 // [0xFFFFFFFFFFFFFF80, 0xFFFFFFFFFFFFFFFF]
315 def ImmSExti64i8AsmOperand : ImmSExtAsmOperandClass {
316 let Name = "ImmSExti64i8";
317 let SuperClasses = [ImmSExti16i8AsmOperand, ImmSExti32i8AsmOperand,
318 ImmSExti64i32AsmOperand];
321 // A couple of more descriptive operand definitions.
322 // 16-bits but only 8 bits are significant.
323 def i16i8imm : Operand<i16> {
324 let ParserMatchClass = ImmSExti16i8AsmOperand;
326 // 32-bits but only 8 bits are significant.
327 def i32i8imm : Operand<i32> {
328 let ParserMatchClass = ImmSExti32i8AsmOperand;
331 //===----------------------------------------------------------------------===//
332 // X86 Complex Pattern Definitions.
335 // Define X86 specific addressing mode.
336 def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], [SDNPWantParent]>;
337 def lea32addr : ComplexPattern<i32, 5, "SelectLEAAddr",
338 [add, sub, mul, X86mul_imm, shl, or, frameindex],
340 def tls32addr : ComplexPattern<i32, 5, "SelectTLSADDRAddr",
341 [tglobaltlsaddr], []>;
343 //===----------------------------------------------------------------------===//
344 // X86 Instruction Predicate Definitions.
345 def HasCMov : Predicate<"Subtarget->hasCMov()">;
346 def NoCMov : Predicate<"!Subtarget->hasCMov()">;
348 // FIXME: temporary hack to let codegen assert or generate poor code in case
349 // no AVX version of the desired intructions is present, this is better for
350 // incremental dev (without fallbacks it's easier to spot what's missing)
351 def HasMMX : Predicate<"Subtarget->hasMMX() && !Subtarget->hasAVX()">;
352 def HasSSE1 : Predicate<"Subtarget->hasSSE1() && !Subtarget->hasAVX()">;
353 def HasSSE2 : Predicate<"Subtarget->hasSSE2() && !Subtarget->hasAVX()">;
354 def HasSSE3 : Predicate<"Subtarget->hasSSE3() && !Subtarget->hasAVX()">;
355 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3() && !Subtarget->hasAVX()">;
356 def HasSSE41 : Predicate<"Subtarget->hasSSE41() && !Subtarget->hasAVX()">;
357 def HasSSE42 : Predicate<"Subtarget->hasSSE42() && !Subtarget->hasAVX()">;
358 def HasSSE4A : Predicate<"Subtarget->hasSSE4A() && !Subtarget->hasAVX()">;
360 def HasAVX : Predicate<"Subtarget->hasAVX()">;
361 def HasCLMUL : Predicate<"Subtarget->hasCLMUL()">;
362 def HasFMA3 : Predicate<"Subtarget->hasFMA3()">;
363 def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
364 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
365 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
366 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
367 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
368 def IsWin64 : Predicate<"Subtarget->isTargetWin64()">;
369 def NotWin64 : Predicate<"!Subtarget->isTargetWin64()">;
370 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
371 def KernelCode : Predicate<"TM.getCodeModel() == CodeModel::Kernel">;
372 def FarData : Predicate<"TM.getCodeModel() != CodeModel::Small &&"
373 "TM.getCodeModel() != CodeModel::Kernel">;
374 def NearData : Predicate<"TM.getCodeModel() == CodeModel::Small ||"
375 "TM.getCodeModel() == CodeModel::Kernel">;
376 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
377 def IsNotPIC : Predicate<"TM.getRelocationModel() != Reloc::PIC_">;
378 def OptForSize : Predicate<"OptForSize">;
379 def OptForSpeed : Predicate<"!OptForSize">;
380 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
381 def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
382 def HasAES : Predicate<"Subtarget->hasAES()">;
384 //===----------------------------------------------------------------------===//
385 // X86 Instruction Format Definitions.
388 include "X86InstrFormats.td"
390 //===----------------------------------------------------------------------===//
391 // Pattern fragments...
394 // X86 specific condition code. These correspond to CondCode in
395 // X86InstrInfo.h. They must be kept in synch.
396 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
397 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
398 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
399 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
400 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
401 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
402 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
403 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
404 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
405 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
406 def X86_COND_NO : PatLeaf<(i8 10)>;
407 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
408 def X86_COND_NS : PatLeaf<(i8 12)>;
409 def X86_COND_O : PatLeaf<(i8 13)>;
410 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
411 def X86_COND_S : PatLeaf<(i8 15)>;
413 def immSext8 : PatLeaf<(imm), [{ return immSext8(N); }]>;
415 def i16immSExt8 : PatLeaf<(i16 immSext8)>;
416 def i32immSExt8 : PatLeaf<(i32 immSext8)>;
418 // Helper fragments for loads.
419 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
420 // known to be 32-bit aligned or better. Ditto for i8 to i16.
421 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
422 LoadSDNode *LD = cast<LoadSDNode>(N);
423 ISD::LoadExtType ExtType = LD->getExtensionType();
424 if (ExtType == ISD::NON_EXTLOAD)
426 if (ExtType == ISD::EXTLOAD)
427 return LD->getAlignment() >= 2 && !LD->isVolatile();
431 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)),[{
432 LoadSDNode *LD = cast<LoadSDNode>(N);
433 ISD::LoadExtType ExtType = LD->getExtensionType();
434 if (ExtType == ISD::EXTLOAD)
435 return LD->getAlignment() >= 2 && !LD->isVolatile();
439 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
440 LoadSDNode *LD = cast<LoadSDNode>(N);
441 ISD::LoadExtType ExtType = LD->getExtensionType();
442 if (ExtType == ISD::NON_EXTLOAD)
444 if (ExtType == ISD::EXTLOAD)
445 return LD->getAlignment() >= 4 && !LD->isVolatile();
449 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
450 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr))>;
451 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
452 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
453 def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr))>;
455 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
456 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
457 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
459 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
460 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
461 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
462 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
463 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
464 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
466 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
467 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
468 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
469 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
470 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
471 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
474 // An 'and' node with a single use.
475 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
476 return N->hasOneUse();
478 // An 'srl' node with a single use.
479 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
480 return N->hasOneUse();
482 // An 'trunc' node with a single use.
483 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
484 return N->hasOneUse();
487 // Treat an 'or' node is as an 'add' if the or'ed bits are known to be zero.
488 def or_is_add : PatFrag<(ops node:$lhs, node:$rhs), (or node:$lhs, node:$rhs),[{
489 if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N->getOperand(1)))
490 return CurDAG->MaskedValueIsZero(N->getOperand(0), CN->getAPIntValue());
492 unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits();
493 APInt Mask = APInt::getAllOnesValue(BitWidth);
494 APInt KnownZero0, KnownOne0;
495 CurDAG->ComputeMaskedBits(N->getOperand(0), Mask, KnownZero0, KnownOne0, 0);
496 APInt KnownZero1, KnownOne1;
497 CurDAG->ComputeMaskedBits(N->getOperand(1), Mask, KnownZero1, KnownOne1, 0);
498 return (~KnownZero0 & ~KnownZero1) == 0;
501 //===----------------------------------------------------------------------===//
502 // Instruction list...
505 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
506 // a stack adjustment and the codegen must know that they may modify the stack
507 // pointer before prolog-epilog rewriting occurs.
508 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
509 // sub / add which can clobber EFLAGS.
510 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
511 def ADJCALLSTACKDOWN32 : I<0, Pseudo, (outs), (ins i32imm:$amt),
513 [(X86callseq_start timm:$amt)]>,
514 Requires<[In32BitMode]>;
515 def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
517 [(X86callseq_end timm:$amt1, timm:$amt2)]>,
518 Requires<[In32BitMode]>;
521 // x86-64 va_start lowering magic.
522 let usesCustomInserter = 1 in {
523 def VASTART_SAVE_XMM_REGS : I<0, Pseudo,
526 i64imm:$regsavefi, i64imm:$offset,
528 "#VASTART_SAVE_XMM_REGS $al, $regsavefi, $offset",
529 [(X86vastart_save_xmm_regs GR8:$al,
533 // Dynamic stack allocation yields _alloca call for Cygwin/Mingw targets. Calls
534 // to _alloca is needed to probe the stack when allocating more than 4k bytes in
535 // one go. Touching the stack at 4K increments is necessary to ensure that the
536 // guard pages used by the OS virtual memory manager are allocated in correct
538 // The main point of having separate instruction are extra unmodelled effects
539 // (compared to ordinary calls) like stack pointer change.
541 let Defs = [EAX, ESP, EFLAGS], Uses = [ESP] in
542 def MINGW_ALLOCA : I<0, Pseudo, (outs), (ins),
543 "# dynamic stack allocation",
548 let neverHasSideEffects = 1 in {
549 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
550 def NOOPW : I<0x1f, MRM0m, (outs), (ins i16mem:$zero),
551 "nop{w}\t$zero", []>, TB, OpSize;
552 def NOOPL : I<0x1f, MRM0m, (outs), (ins i32mem:$zero),
553 "nop{l}\t$zero", []>, TB;
557 let Uses = [EFLAGS] in {
558 def INTO : I<0xce, RawFrm, (outs), (ins), "into", []>;
560 def INT3 : I<0xcc, RawFrm, (outs), (ins), "int3",
561 [(int_x86_int (i8 3))]>;
562 def INT : Ii8<0xcd, RawFrm, (outs), (ins i8imm:$trap), "int\t$trap",
563 [(int_x86_int imm:$trap)]>;
564 def IRET16 : I<0xcf, RawFrm, (outs), (ins), "iretw", []>, OpSize;
565 def IRET32 : I<0xcf, RawFrm, (outs), (ins), "iret{l|d}", []>;
567 // PIC base construction. This expands to code that looks like this:
570 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
571 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins i32imm:$label),
574 //===----------------------------------------------------------------------===//
575 // Control Flow Instructions.
578 // Return instructions.
579 let isTerminator = 1, isReturn = 1, isBarrier = 1,
580 hasCtrlDep = 1, FPForm = SpecialFP in {
581 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
584 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
586 [(X86retflag timm:$amt)]>;
587 def LRET : I <0xCB, RawFrm, (outs), (ins),
589 def LRETI : Ii16<0xCA, RawFrm, (outs), (ins i16imm:$amt),
593 // Unconditional branches.
594 let isBarrier = 1, isBranch = 1, isTerminator = 1 in {
595 def JMP_4 : Ii32PCRel<0xE9, RawFrm, (outs), (ins brtarget:$dst),
596 "jmp\t$dst", [(br bb:$dst)]>;
597 def JMP_1 : Ii8PCRel<0xEB, RawFrm, (outs), (ins brtarget8:$dst),
601 // Conditional Branches.
602 let isBranch = 1, isTerminator = 1, Uses = [EFLAGS] in {
603 multiclass ICBr<bits<8> opc1, bits<8> opc4, string asm, PatFrag Cond> {
604 def _1 : Ii8PCRel <opc1, RawFrm, (outs), (ins brtarget8:$dst), asm, []>;
605 def _4 : Ii32PCRel<opc4, RawFrm, (outs), (ins brtarget:$dst), asm,
606 [(X86brcond bb:$dst, Cond, EFLAGS)]>, TB;
610 defm JO : ICBr<0x70, 0x80, "jo\t$dst" , X86_COND_O>;
611 defm JNO : ICBr<0x71, 0x81, "jno\t$dst" , X86_COND_NO>;
612 defm JB : ICBr<0x72, 0x82, "jb\t$dst" , X86_COND_B>;
613 defm JAE : ICBr<0x73, 0x83, "jae\t$dst", X86_COND_AE>;
614 defm JE : ICBr<0x74, 0x84, "je\t$dst" , X86_COND_E>;
615 defm JNE : ICBr<0x75, 0x85, "jne\t$dst", X86_COND_NE>;
616 defm JBE : ICBr<0x76, 0x86, "jbe\t$dst", X86_COND_BE>;
617 defm JA : ICBr<0x77, 0x87, "ja\t$dst" , X86_COND_A>;
618 defm JS : ICBr<0x78, 0x88, "js\t$dst" , X86_COND_S>;
619 defm JNS : ICBr<0x79, 0x89, "jns\t$dst", X86_COND_NS>;
620 defm JP : ICBr<0x7A, 0x8A, "jp\t$dst" , X86_COND_P>;
621 defm JNP : ICBr<0x7B, 0x8B, "jnp\t$dst", X86_COND_NP>;
622 defm JL : ICBr<0x7C, 0x8C, "jl\t$dst" , X86_COND_L>;
623 defm JGE : ICBr<0x7D, 0x8D, "jge\t$dst", X86_COND_GE>;
624 defm JLE : ICBr<0x7E, 0x8E, "jle\t$dst", X86_COND_LE>;
625 defm JG : ICBr<0x7F, 0x8F, "jg\t$dst" , X86_COND_G>;
627 // jcx/jecx/jrcx instructions.
628 let isAsmParserOnly = 1, isBranch = 1, isTerminator = 1 in {
629 // These are the 32-bit versions of this instruction for the asmparser. In
630 // 32-bit mode, the address size prefix is jcxz and the unprefixed version is
633 def JCXZ : Ii8PCRel<0xE3, RawFrm, (outs), (ins brtarget8:$dst),
634 "jcxz\t$dst", []>, AdSize, Requires<[In32BitMode]>;
636 def JECXZ_32 : Ii8PCRel<0xE3, RawFrm, (outs), (ins brtarget8:$dst),
637 "jecxz\t$dst", []>, Requires<[In32BitMode]>;
639 // J*CXZ instruction: 64-bit versions of this instruction for the asmparser.
640 // In 64-bit mode, the address size prefix is jecxz and the unprefixed version
643 def JECXZ_64 : Ii8PCRel<0xE3, RawFrm, (outs), (ins brtarget8:$dst),
644 "jecxz\t$dst", []>, AdSize, Requires<[In64BitMode]>;
646 def JRCXZ : Ii8PCRel<0xE3, RawFrm, (outs), (ins brtarget8:$dst),
647 "jrcxz\t$dst", []>, Requires<[In64BitMode]>;
652 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
653 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
654 [(brind GR32:$dst)]>, Requires<[In32BitMode]>;
655 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
656 [(brind (loadi32 addr:$dst))]>, Requires<[In32BitMode]>;
658 def FARJMP16i : Iseg16<0xEA, RawFrmImm16, (outs),
659 (ins i16imm:$off, i16imm:$seg),
660 "ljmp{w}\t{$seg, $off|$off, $seg}", []>, OpSize;
661 def FARJMP32i : Iseg32<0xEA, RawFrmImm16, (outs),
662 (ins i32imm:$off, i16imm:$seg),
663 "ljmp{l}\t{$seg, $off|$off, $seg}", []>;
665 def FARJMP16m : I<0xFF, MRM5m, (outs), (ins opaque32mem:$dst),
666 "ljmp{w}\t{*}$dst", []>, OpSize;
667 def FARJMP32m : I<0xFF, MRM5m, (outs), (ins opaque48mem:$dst),
668 "ljmp{l}\t{*}$dst", []>;
674 def LOOP : Ii8PCRel<0xE2, RawFrm, (outs), (ins brtarget8:$dst), "loop\t$dst", []>;
675 def LOOPE : Ii8PCRel<0xE1, RawFrm, (outs), (ins brtarget8:$dst), "loope\t$dst", []>;
676 def LOOPNE : Ii8PCRel<0xE0, RawFrm, (outs), (ins brtarget8:$dst), "loopne\t$dst", []>;
678 //===----------------------------------------------------------------------===//
679 // Call Instructions...
682 // All calls clobber the non-callee saved registers. ESP is marked as
683 // a use to prevent stack-pointer assignments that appear immediately
684 // before calls from potentially appearing dead. Uses for argument
685 // registers are added manually.
686 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
687 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
688 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
689 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
691 def CALLpcrel32 : Ii32PCRel<0xE8, RawFrm,
692 (outs), (ins i32imm_pcrel:$dst,variable_ops),
694 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
695 "call\t{*}$dst", [(X86call GR32:$dst)]>;
696 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
697 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
699 def FARCALL16i : Iseg16<0x9A, RawFrmImm16, (outs),
700 (ins i16imm:$off, i16imm:$seg),
701 "lcall{w}\t{$seg, $off|$off, $seg}", []>, OpSize;
702 def FARCALL32i : Iseg32<0x9A, RawFrmImm16, (outs),
703 (ins i32imm:$off, i16imm:$seg),
704 "lcall{l}\t{$seg, $off|$off, $seg}", []>;
706 def FARCALL16m : I<0xFF, MRM3m, (outs), (ins opaque32mem:$dst),
707 "lcall{w}\t{*}$dst", []>, OpSize;
708 def FARCALL32m : I<0xFF, MRM3m, (outs), (ins opaque48mem:$dst),
709 "lcall{l}\t{*}$dst", []>;
711 // callw for 16 bit code for the assembler.
712 let isAsmParserOnly = 1 in
713 def CALLpcrel16 : Ii16PCRel<0xE8, RawFrm,
714 (outs), (ins i16imm_pcrel:$dst, variable_ops),
715 "callw\t$dst", []>, OpSize;
718 // Constructing a stack frame.
720 def ENTER : Ii16<0xC8, RawFrmImm8, (outs), (ins i16imm:$len, i8imm:$lvl),
721 "enter\t$len, $lvl", []>;
725 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1,
727 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
728 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
729 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
730 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
732 def TCRETURNdi : I<0, Pseudo, (outs),
733 (ins i32imm_pcrel:$dst, i32imm:$offset, variable_ops),
734 "#TC_RETURN $dst $offset", []>;
735 def TCRETURNri : I<0, Pseudo, (outs),
736 (ins GR32_TC:$dst, i32imm:$offset, variable_ops),
737 "#TC_RETURN $dst $offset", []>;
739 def TCRETURNmi : I<0, Pseudo, (outs),
740 (ins i32mem_TC:$dst, i32imm:$offset, variable_ops),
741 "#TC_RETURN $dst $offset", []>;
743 // FIXME: The should be pseudo instructions that are lowered when going to
745 def TAILJMPd : Ii32PCRel<0xE9, RawFrm, (outs),
746 (ins i32imm_pcrel:$dst, variable_ops),
747 "jmp\t$dst # TAILCALL",
749 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32_TC:$dst, variable_ops),
750 "", []>; // FIXME: Remove encoding when JIT is dead.
752 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem_TC:$dst, variable_ops),
753 "jmp{l}\t{*}$dst # TAILCALL", []>;
756 //===----------------------------------------------------------------------===//
757 // Miscellaneous Instructions...
759 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
760 def LEAVE : I<0xC9, RawFrm,
761 (outs), (ins), "leave", []>, Requires<[In32BitMode]>;
763 def POPCNT16rr : I<0xB8, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
764 "popcnt{w}\t{$src, $dst|$dst, $src}", []>, OpSize, XS;
766 def POPCNT16rm : I<0xB8, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
767 "popcnt{w}\t{$src, $dst|$dst, $src}", []>, OpSize, XS;
768 def POPCNT32rr : I<0xB8, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
769 "popcnt{l}\t{$src, $dst|$dst, $src}", []>, XS;
771 def POPCNT32rm : I<0xB8, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
772 "popcnt{l}\t{$src, $dst|$dst, $src}", []>, XS;
774 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
776 def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
778 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
779 def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
781 def POP16rmm: I<0x8F, MRM0m, (outs i16mem:$dst), (ins), "pop{w}\t$dst", []>,
783 def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
784 def POP32rmm: I<0x8F, MRM0m, (outs i32mem:$dst), (ins), "pop{l}\t$dst", []>;
787 let mayStore = 1 in {
788 def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
790 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
791 def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
793 def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[]>,
795 def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
796 def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[]>;
800 let Defs = [ESP], Uses = [ESP], neverHasSideEffects = 1, mayStore = 1 in {
801 def PUSHi8 : Ii8<0x6a, RawFrm, (outs), (ins i32i8imm:$imm),
802 "push{l}\t$imm", []>;
803 def PUSHi16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
804 "push{w}\t$imm", []>, OpSize;
805 def PUSHi32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
806 "push{l}\t$imm", []>;
809 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in {
810 def POPF16 : I<0x9D, RawFrm, (outs), (ins), "popf{w}", []>, OpSize;
811 def POPF32 : I<0x9D, RawFrm, (outs), (ins), "popf{l|d}", []>,
812 Requires<[In32BitMode]>;
814 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in {
815 def PUSHF16 : I<0x9C, RawFrm, (outs), (ins), "pushf{w}", []>, OpSize;
816 def PUSHF32 : I<0x9C, RawFrm, (outs), (ins), "pushf{l|d}", []>,
817 Requires<[In32BitMode]>;
820 let Defs = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP], Uses = [ESP],
821 mayLoad=1, neverHasSideEffects=1 in {
822 def POPA32 : I<0x61, RawFrm, (outs), (ins), "popa{l}", []>,
823 Requires<[In32BitMode]>;
825 let Defs = [ESP], Uses = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP],
826 mayStore=1, neverHasSideEffects=1 in {
827 def PUSHA32 : I<0x60, RawFrm, (outs), (ins), "pusha{l}", []>,
828 Requires<[In32BitMode]>;
831 let Uses = [EFLAGS], Constraints = "$src = $dst" in // GR32 = bswap GR32
832 def BSWAP32r : I<0xC8, AddRegFrm,
833 (outs GR32:$dst), (ins GR32:$src),
835 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
838 // Bit scan instructions.
839 let Defs = [EFLAGS] in {
840 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
841 "bsf{w}\t{$src, $dst|$dst, $src}",
842 [(set GR16:$dst, EFLAGS, (X86bsf GR16:$src))]>, TB, OpSize;
843 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
844 "bsf{w}\t{$src, $dst|$dst, $src}",
845 [(set GR16:$dst, EFLAGS, (X86bsf (loadi16 addr:$src)))]>, TB,
847 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
848 "bsf{l}\t{$src, $dst|$dst, $src}",
849 [(set GR32:$dst, EFLAGS, (X86bsf GR32:$src))]>, TB;
850 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
851 "bsf{l}\t{$src, $dst|$dst, $src}",
852 [(set GR32:$dst, EFLAGS, (X86bsf (loadi32 addr:$src)))]>, TB;
854 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
855 "bsr{w}\t{$src, $dst|$dst, $src}",
856 [(set GR16:$dst, EFLAGS, (X86bsr GR16:$src))]>, TB, OpSize;
857 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
858 "bsr{w}\t{$src, $dst|$dst, $src}",
859 [(set GR16:$dst, EFLAGS, (X86bsr (loadi16 addr:$src)))]>, TB,
861 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
862 "bsr{l}\t{$src, $dst|$dst, $src}",
863 [(set GR32:$dst, EFLAGS, (X86bsr GR32:$src))]>, TB;
864 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
865 "bsr{l}\t{$src, $dst|$dst, $src}",
866 [(set GR32:$dst, EFLAGS, (X86bsr (loadi32 addr:$src)))]>, TB;
869 let neverHasSideEffects = 1 in
870 def LEA16r : I<0x8D, MRMSrcMem,
871 (outs GR16:$dst), (ins i32mem:$src),
872 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
873 let isReMaterializable = 1 in
874 def LEA32r : I<0x8D, MRMSrcMem,
875 (outs GR32:$dst), (ins i32mem:$src),
876 "lea{l}\t{$src|$dst}, {$dst|$src}",
877 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
879 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI], isCodeGenOnly = 1 in {
880 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
881 [(X86rep_movs i8)]>, REP;
882 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
883 [(X86rep_movs i16)]>, REP, OpSize;
884 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
885 [(X86rep_movs i32)]>, REP;
888 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
889 let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in {
890 def MOVSB : I<0xA4, RawFrm, (outs), (ins), "{movsb}", []>;
891 def MOVSW : I<0xA5, RawFrm, (outs), (ins), "{movsw}", []>, OpSize;
892 def MOVSD : I<0xA5, RawFrm, (outs), (ins), "{movsl|movsd}", []>;
895 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI], isCodeGenOnly = 1 in
896 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
897 [(X86rep_stos i8)]>, REP;
898 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI], isCodeGenOnly = 1 in
899 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
900 [(X86rep_stos i16)]>, REP, OpSize;
901 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI], isCodeGenOnly = 1 in
902 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
903 [(X86rep_stos i32)]>, REP;
905 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
906 let Defs = [EDI], Uses = [AL,EDI,EFLAGS] in
907 def STOSB : I<0xAA, RawFrm, (outs), (ins), "{stosb}", []>;
908 let Defs = [EDI], Uses = [AX,EDI,EFLAGS] in
909 def STOSW : I<0xAB, RawFrm, (outs), (ins), "{stosw}", []>, OpSize;
910 let Defs = [EDI], Uses = [EAX,EDI,EFLAGS] in
911 def STOSD : I<0xAB, RawFrm, (outs), (ins), "{stosl|stosd}", []>;
913 def SCAS8 : I<0xAE, RawFrm, (outs), (ins), "scas{b}", []>;
914 def SCAS16 : I<0xAF, RawFrm, (outs), (ins), "scas{w}", []>, OpSize;
915 def SCAS32 : I<0xAF, RawFrm, (outs), (ins), "scas{l}", []>;
917 def CMPS8 : I<0xA6, RawFrm, (outs), (ins), "cmps{b}", []>;
918 def CMPS16 : I<0xA7, RawFrm, (outs), (ins), "cmps{w}", []>, OpSize;
919 def CMPS32 : I<0xA7, RawFrm, (outs), (ins), "cmps{l}", []>;
921 let Defs = [RAX, RDX] in
922 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
925 let Defs = [RAX, RCX, RDX] in
926 def RDTSCP : I<0x01, MRM_F9, (outs), (ins), "rdtscp", []>, TB;
928 let isTerminator = 1, isBarrier = 1, hasCtrlDep = 1 in {
929 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
932 def SYSCALL : I<0x05, RawFrm,
933 (outs), (ins), "syscall", []>, TB;
934 def SYSRETL : I<0x07, RawFrm,
935 (outs), (ins), "sysretl", []>, TB;
936 def SYSENTER : I<0x34, RawFrm,
937 (outs), (ins), "sysenter", []>, TB;
938 def SYSEXIT : I<0x35, RawFrm,
939 (outs), (ins), "sysexit", []>, TB, Requires<[In32BitMode]>;
941 def WAIT : I<0x9B, RawFrm, (outs), (ins), "wait", []>;
944 //===----------------------------------------------------------------------===//
945 // Input/Output Instructions...
947 let Defs = [AL], Uses = [DX] in
948 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
949 "in{b}\t{%dx, %al|%AL, %DX}", []>;
950 let Defs = [AX], Uses = [DX] in
951 def IN16rr : I<0xED, RawFrm, (outs), (ins),
952 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
953 let Defs = [EAX], Uses = [DX] in
954 def IN32rr : I<0xED, RawFrm, (outs), (ins),
955 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
958 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i8imm:$port),
959 "in{b}\t{$port, %al|%AL, $port}", []>;
961 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i8imm:$port),
962 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
964 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i8imm:$port),
965 "in{l}\t{$port, %eax|%EAX, $port}", []>;
967 let Uses = [DX, AL] in
968 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
969 "out{b}\t{%al, %dx|%DX, %AL}", []>;
970 let Uses = [DX, AX] in
971 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
972 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
973 let Uses = [DX, EAX] in
974 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
975 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
978 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i8imm:$port),
979 "out{b}\t{%al, $port|$port, %AL}", []>;
981 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i8imm:$port),
982 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
984 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i8imm:$port),
985 "out{l}\t{%eax, $port|$port, %EAX}", []>;
987 def IN8 : I<0x6C, RawFrm, (outs), (ins),
989 def IN16 : I<0x6D, RawFrm, (outs), (ins),
990 "ins{w}", []>, OpSize;
991 def IN32 : I<0x6D, RawFrm, (outs), (ins),
994 //===----------------------------------------------------------------------===//
995 // Move Instructions...
997 let neverHasSideEffects = 1 in {
998 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
999 "mov{b}\t{$src, $dst|$dst, $src}", []>;
1000 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
1001 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1002 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
1003 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1005 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
1006 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
1007 "mov{b}\t{$src, $dst|$dst, $src}",
1008 [(set GR8:$dst, imm:$src)]>;
1009 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
1010 "mov{w}\t{$src, $dst|$dst, $src}",
1011 [(set GR16:$dst, imm:$src)]>, OpSize;
1012 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
1013 "mov{l}\t{$src, $dst|$dst, $src}",
1014 [(set GR32:$dst, imm:$src)]>;
1017 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
1018 "mov{b}\t{$src, $dst|$dst, $src}",
1019 [(store (i8 imm:$src), addr:$dst)]>;
1020 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
1021 "mov{w}\t{$src, $dst|$dst, $src}",
1022 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
1023 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
1024 "mov{l}\t{$src, $dst|$dst, $src}",
1025 [(store (i32 imm:$src), addr:$dst)]>;
1027 /// moffs8, moffs16 and moffs32 versions of moves. The immediate is a
1028 /// 32-bit offset from the PC. These are only valid in x86-32 mode.
1029 def MOV8o8a : Ii32 <0xA0, RawFrm, (outs), (ins offset8:$src),
1030 "mov{b}\t{$src, %al|%al, $src}", []>,
1031 Requires<[In32BitMode]>;
1032 def MOV16o16a : Ii32 <0xA1, RawFrm, (outs), (ins offset16:$src),
1033 "mov{w}\t{$src, %ax|%ax, $src}", []>, OpSize,
1034 Requires<[In32BitMode]>;
1035 def MOV32o32a : Ii32 <0xA1, RawFrm, (outs), (ins offset32:$src),
1036 "mov{l}\t{$src, %eax|%eax, $src}", []>,
1037 Requires<[In32BitMode]>;
1038 def MOV8ao8 : Ii32 <0xA2, RawFrm, (outs offset8:$dst), (ins),
1039 "mov{b}\t{%al, $dst|$dst, %al}", []>,
1040 Requires<[In32BitMode]>;
1041 def MOV16ao16 : Ii32 <0xA3, RawFrm, (outs offset16:$dst), (ins),
1042 "mov{w}\t{%ax, $dst|$dst, %ax}", []>, OpSize,
1043 Requires<[In32BitMode]>;
1044 def MOV32ao32 : Ii32 <0xA3, RawFrm, (outs offset32:$dst), (ins),
1045 "mov{l}\t{%eax, $dst|$dst, %eax}", []>,
1046 Requires<[In32BitMode]>;
1048 // Moves to and from segment registers
1049 def MOV16rs : I<0x8C, MRMDestReg, (outs GR16:$dst), (ins SEGMENT_REG:$src),
1050 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1051 def MOV32rs : I<0x8C, MRMDestReg, (outs GR32:$dst), (ins SEGMENT_REG:$src),
1052 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1053 def MOV16ms : I<0x8C, MRMDestMem, (outs i16mem:$dst), (ins SEGMENT_REG:$src),
1054 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1055 def MOV32ms : I<0x8C, MRMDestMem, (outs i32mem:$dst), (ins SEGMENT_REG:$src),
1056 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1057 def MOV16sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR16:$src),
1058 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1059 def MOV32sr : I<0x8E, MRMSrcReg, (outs SEGMENT_REG:$dst), (ins GR32:$src),
1060 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1061 def MOV16sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i16mem:$src),
1062 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1063 def MOV32sm : I<0x8E, MRMSrcMem, (outs SEGMENT_REG:$dst), (ins i32mem:$src),
1064 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1066 let isCodeGenOnly = 1 in {
1067 def MOV8rr_REV : I<0x8A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src),
1068 "mov{b}\t{$src, $dst|$dst, $src}", []>;
1069 def MOV16rr_REV : I<0x8B, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
1070 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
1071 def MOV32rr_REV : I<0x8B, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
1072 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1075 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1076 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
1077 "mov{b}\t{$src, $dst|$dst, $src}",
1078 [(set GR8:$dst, (loadi8 addr:$src))]>;
1079 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
1080 "mov{w}\t{$src, $dst|$dst, $src}",
1081 [(set GR16:$dst, (loadi16 addr:$src))]>, OpSize;
1082 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
1083 "mov{l}\t{$src, $dst|$dst, $src}",
1084 [(set GR32:$dst, (loadi32 addr:$src))]>;
1087 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
1088 "mov{b}\t{$src, $dst|$dst, $src}",
1089 [(store GR8:$src, addr:$dst)]>;
1090 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1091 "mov{w}\t{$src, $dst|$dst, $src}",
1092 [(store GR16:$src, addr:$dst)]>, OpSize;
1093 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1094 "mov{l}\t{$src, $dst|$dst, $src}",
1095 [(store GR32:$src, addr:$dst)]>;
1097 /// Versions of MOV32rr, MOV32rm, and MOV32mr for i32mem_TC and GR32_TC.
1098 let isCodeGenOnly = 1 in {
1099 let neverHasSideEffects = 1 in
1100 def MOV32rr_TC : I<0x89, MRMDestReg, (outs GR32_TC:$dst), (ins GR32_TC:$src),
1101 "mov{l}\t{$src, $dst|$dst, $src}", []>;
1104 canFoldAsLoad = 1, isReMaterializable = 1 in
1105 def MOV32rm_TC : I<0x8B, MRMSrcMem, (outs GR32_TC:$dst), (ins i32mem_TC:$src),
1106 "mov{l}\t{$src, $dst|$dst, $src}",
1110 def MOV32mr_TC : I<0x89, MRMDestMem, (outs), (ins i32mem_TC:$dst, GR32_TC:$src),
1111 "mov{l}\t{$src, $dst|$dst, $src}",
1115 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
1116 // that they can be used for copying and storing h registers, which can't be
1117 // encoded when a REX prefix is present.
1118 let isCodeGenOnly = 1 in {
1119 let neverHasSideEffects = 1 in
1120 def MOV8rr_NOREX : I<0x88, MRMDestReg,
1121 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
1122 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1124 def MOV8mr_NOREX : I<0x88, MRMDestMem,
1125 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
1126 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1128 canFoldAsLoad = 1, isReMaterializable = 1 in
1129 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
1130 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
1131 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
1134 // Moves to and from debug registers
1135 def MOV32rd : I<0x21, MRMDestReg, (outs GR32:$dst), (ins DEBUG_REG:$src),
1136 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1137 def MOV32dr : I<0x23, MRMSrcReg, (outs DEBUG_REG:$dst), (ins GR32:$src),
1138 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1140 // Moves to and from control registers
1141 def MOV32rc : I<0x20, MRMDestReg, (outs GR32:$dst), (ins CONTROL_REG:$src),
1142 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1143 def MOV32cr : I<0x22, MRMSrcReg, (outs CONTROL_REG:$dst), (ins GR32:$src),
1144 "mov{l}\t{$src, $dst|$dst, $src}", []>, TB;
1146 //===----------------------------------------------------------------------===//
1147 // Fixed-Register Multiplication and Division Instructions...
1150 // Extra precision multiplication
1152 // AL is really implied by AX, but the registers in Defs must match the
1153 // SDNode results (i8, i32).
1154 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1155 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
1156 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1157 // This probably ought to be moved to a def : Pat<> if the
1158 // syntax can be accepted.
1159 [(set AL, (mul AL, GR8:$src)),
1160 (implicit EFLAGS)]>; // AL,AH = AL*GR8
1162 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
1163 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
1165 []>, OpSize; // AX,DX = AX*GR16
1167 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
1168 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
1170 []>; // EAX,EDX = EAX*GR32
1172 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1173 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
1175 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
1176 // This probably ought to be moved to a def : Pat<> if the
1177 // syntax can be accepted.
1178 [(set AL, (mul AL, (loadi8 addr:$src))),
1179 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
1181 let mayLoad = 1, neverHasSideEffects = 1 in {
1182 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1183 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
1185 []>, OpSize; // AX,DX = AX*[mem16]
1187 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1188 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
1190 []>; // EAX,EDX = EAX*[mem32]
1193 let neverHasSideEffects = 1 in {
1194 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1195 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
1197 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1198 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
1199 OpSize; // AX,DX = AX*GR16
1200 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1201 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
1202 // EAX,EDX = EAX*GR32
1203 let mayLoad = 1 in {
1204 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
1205 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
1206 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
1207 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
1208 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
1209 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
1210 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
1211 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
1212 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
1214 } // neverHasSideEffects
1216 // unsigned division/remainder
1217 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1218 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1219 "div{b}\t$src", []>;
1220 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1221 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1222 "div{w}\t$src", []>, OpSize;
1223 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1224 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1225 "div{l}\t$src", []>;
1226 let mayLoad = 1 in {
1227 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1228 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1229 "div{b}\t$src", []>;
1230 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1231 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1232 "div{w}\t$src", []>, OpSize;
1233 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1234 // EDX:EAX/[mem32] = EAX,EDX
1235 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src),
1236 "div{l}\t$src", []>;
1239 // Signed division/remainder.
1240 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1241 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
1242 "idiv{b}\t$src", []>;
1243 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1244 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
1245 "idiv{w}\t$src", []>, OpSize;
1246 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1247 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
1248 "idiv{l}\t$src", []>;
1249 let mayLoad = 1, mayLoad = 1 in {
1250 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
1251 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
1252 "idiv{b}\t$src", []>;
1253 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
1254 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
1255 "idiv{w}\t$src", []>, OpSize;
1256 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
1257 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src),
1258 // EDX:EAX/[mem32] = EAX,EDX
1259 "idiv{l}\t$src", []>;
1262 //===----------------------------------------------------------------------===//
1263 // Two address Instructions.
1265 let Constraints = "$src1 = $dst" in {
1267 // Conditional moves
1268 let Uses = [EFLAGS] in {
1270 let Predicates = [HasCMov] in {
1271 let isCommutable = 1 in {
1272 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
1273 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1274 "cmovb{w}\t{$src2, $dst|$dst, $src2}",
1275 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1276 X86_COND_B, EFLAGS))]>,
1278 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
1279 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1280 "cmovb{l}\t{$src2, $dst|$dst, $src2}",
1281 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1282 X86_COND_B, EFLAGS))]>,
1284 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
1285 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1286 "cmovae{w}\t{$src2, $dst|$dst, $src2}",
1287 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1288 X86_COND_AE, EFLAGS))]>,
1290 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
1291 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1292 "cmovae{l}\t{$src2, $dst|$dst, $src2}",
1293 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1294 X86_COND_AE, EFLAGS))]>,
1296 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
1297 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1298 "cmove{w}\t{$src2, $dst|$dst, $src2}",
1299 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1300 X86_COND_E, EFLAGS))]>,
1302 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
1303 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1304 "cmove{l}\t{$src2, $dst|$dst, $src2}",
1305 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1306 X86_COND_E, EFLAGS))]>,
1308 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
1309 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1310 "cmovne{w}\t{$src2, $dst|$dst, $src2}",
1311 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1312 X86_COND_NE, EFLAGS))]>,
1314 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
1315 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1316 "cmovne{l}\t{$src2, $dst|$dst, $src2}",
1317 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1318 X86_COND_NE, EFLAGS))]>,
1320 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
1321 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1322 "cmovbe{w}\t{$src2, $dst|$dst, $src2}",
1323 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1324 X86_COND_BE, EFLAGS))]>,
1326 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
1327 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1328 "cmovbe{l}\t{$src2, $dst|$dst, $src2}",
1329 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1330 X86_COND_BE, EFLAGS))]>,
1332 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
1333 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1334 "cmova{w}\t{$src2, $dst|$dst, $src2}",
1335 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1336 X86_COND_A, EFLAGS))]>,
1338 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
1339 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1340 "cmova{l}\t{$src2, $dst|$dst, $src2}",
1341 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1342 X86_COND_A, EFLAGS))]>,
1344 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
1345 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1346 "cmovl{w}\t{$src2, $dst|$dst, $src2}",
1347 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1348 X86_COND_L, EFLAGS))]>,
1350 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
1351 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1352 "cmovl{l}\t{$src2, $dst|$dst, $src2}",
1353 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1354 X86_COND_L, EFLAGS))]>,
1356 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
1357 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1358 "cmovge{w}\t{$src2, $dst|$dst, $src2}",
1359 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1360 X86_COND_GE, EFLAGS))]>,
1362 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
1363 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1364 "cmovge{l}\t{$src2, $dst|$dst, $src2}",
1365 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1366 X86_COND_GE, EFLAGS))]>,
1368 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
1369 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1370 "cmovle{w}\t{$src2, $dst|$dst, $src2}",
1371 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1372 X86_COND_LE, EFLAGS))]>,
1374 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
1375 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1376 "cmovle{l}\t{$src2, $dst|$dst, $src2}",
1377 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1378 X86_COND_LE, EFLAGS))]>,
1380 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
1381 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1382 "cmovg{w}\t{$src2, $dst|$dst, $src2}",
1383 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1384 X86_COND_G, EFLAGS))]>,
1386 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
1387 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1388 "cmovg{l}\t{$src2, $dst|$dst, $src2}",
1389 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1390 X86_COND_G, EFLAGS))]>,
1392 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
1393 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1394 "cmovs{w}\t{$src2, $dst|$dst, $src2}",
1395 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1396 X86_COND_S, EFLAGS))]>,
1398 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
1399 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1400 "cmovs{l}\t{$src2, $dst|$dst, $src2}",
1401 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1402 X86_COND_S, EFLAGS))]>,
1404 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
1405 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1406 "cmovns{w}\t{$src2, $dst|$dst, $src2}",
1407 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1408 X86_COND_NS, EFLAGS))]>,
1410 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1411 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1412 "cmovns{l}\t{$src2, $dst|$dst, $src2}",
1413 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1414 X86_COND_NS, EFLAGS))]>,
1416 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1417 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1418 "cmovp{w}\t{$src2, $dst|$dst, $src2}",
1419 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1420 X86_COND_P, EFLAGS))]>,
1422 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1423 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1424 "cmovp{l}\t{$src2, $dst|$dst, $src2}",
1425 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1426 X86_COND_P, EFLAGS))]>,
1428 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1429 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1430 "cmovnp{w}\t{$src2, $dst|$dst, $src2}",
1431 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1432 X86_COND_NP, EFLAGS))]>,
1434 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1435 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1436 "cmovnp{l}\t{$src2, $dst|$dst, $src2}",
1437 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1438 X86_COND_NP, EFLAGS))]>,
1440 def CMOVO16rr : I<0x40, MRMSrcReg, // if overflow, GR16 = GR16
1441 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1442 "cmovo{w}\t{$src2, $dst|$dst, $src2}",
1443 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1444 X86_COND_O, EFLAGS))]>,
1446 def CMOVO32rr : I<0x40, MRMSrcReg, // if overflow, GR32 = GR32
1447 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1448 "cmovo{l}\t{$src2, $dst|$dst, $src2}",
1449 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1450 X86_COND_O, EFLAGS))]>,
1452 def CMOVNO16rr : I<0x41, MRMSrcReg, // if !overflow, GR16 = GR16
1453 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1454 "cmovno{w}\t{$src2, $dst|$dst, $src2}",
1455 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1456 X86_COND_NO, EFLAGS))]>,
1458 def CMOVNO32rr : I<0x41, MRMSrcReg, // if !overflow, GR32 = GR32
1459 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1460 "cmovno{l}\t{$src2, $dst|$dst, $src2}",
1461 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1462 X86_COND_NO, EFLAGS))]>,
1464 } // isCommutable = 1
1466 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1467 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1468 "cmovb{w}\t{$src2, $dst|$dst, $src2}",
1469 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1470 X86_COND_B, EFLAGS))]>,
1472 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1473 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1474 "cmovb{l}\t{$src2, $dst|$dst, $src2}",
1475 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1476 X86_COND_B, EFLAGS))]>,
1478 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1479 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1480 "cmovae{w}\t{$src2, $dst|$dst, $src2}",
1481 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1482 X86_COND_AE, EFLAGS))]>,
1484 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1485 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1486 "cmovae{l}\t{$src2, $dst|$dst, $src2}",
1487 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1488 X86_COND_AE, EFLAGS))]>,
1490 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1491 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1492 "cmove{w}\t{$src2, $dst|$dst, $src2}",
1493 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1494 X86_COND_E, EFLAGS))]>,
1496 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1497 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1498 "cmove{l}\t{$src2, $dst|$dst, $src2}",
1499 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1500 X86_COND_E, EFLAGS))]>,
1502 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1503 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1504 "cmovne{w}\t{$src2, $dst|$dst, $src2}",
1505 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1506 X86_COND_NE, EFLAGS))]>,
1508 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1509 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1510 "cmovne{l}\t{$src2, $dst|$dst, $src2}",
1511 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1512 X86_COND_NE, EFLAGS))]>,
1514 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1515 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1516 "cmovbe{w}\t{$src2, $dst|$dst, $src2}",
1517 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1518 X86_COND_BE, EFLAGS))]>,
1520 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1521 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1522 "cmovbe{l}\t{$src2, $dst|$dst, $src2}",
1523 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1524 X86_COND_BE, EFLAGS))]>,
1526 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1527 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1528 "cmova{w}\t{$src2, $dst|$dst, $src2}",
1529 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1530 X86_COND_A, EFLAGS))]>,
1532 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1533 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1534 "cmova{l}\t{$src2, $dst|$dst, $src2}",
1535 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1536 X86_COND_A, EFLAGS))]>,
1538 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1539 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1540 "cmovl{w}\t{$src2, $dst|$dst, $src2}",
1541 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1542 X86_COND_L, EFLAGS))]>,
1544 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1545 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1546 "cmovl{l}\t{$src2, $dst|$dst, $src2}",
1547 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1548 X86_COND_L, EFLAGS))]>,
1550 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1551 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1552 "cmovge{w}\t{$src2, $dst|$dst, $src2}",
1553 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1554 X86_COND_GE, EFLAGS))]>,
1556 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1557 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1558 "cmovge{l}\t{$src2, $dst|$dst, $src2}",
1559 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1560 X86_COND_GE, EFLAGS))]>,
1562 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1563 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1564 "cmovle{w}\t{$src2, $dst|$dst, $src2}",
1565 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1566 X86_COND_LE, EFLAGS))]>,
1568 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1569 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1570 "cmovle{l}\t{$src2, $dst|$dst, $src2}",
1571 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1572 X86_COND_LE, EFLAGS))]>,
1574 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1575 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1576 "cmovg{w}\t{$src2, $dst|$dst, $src2}",
1577 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1578 X86_COND_G, EFLAGS))]>,
1580 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1581 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1582 "cmovg{l}\t{$src2, $dst|$dst, $src2}",
1583 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1584 X86_COND_G, EFLAGS))]>,
1586 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1587 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1588 "cmovs{w}\t{$src2, $dst|$dst, $src2}",
1589 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1590 X86_COND_S, EFLAGS))]>,
1592 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1593 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1594 "cmovs{l}\t{$src2, $dst|$dst, $src2}",
1595 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1596 X86_COND_S, EFLAGS))]>,
1598 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1599 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1600 "cmovns{w}\t{$src2, $dst|$dst, $src2}",
1601 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1602 X86_COND_NS, EFLAGS))]>,
1604 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1605 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1606 "cmovns{l}\t{$src2, $dst|$dst, $src2}",
1607 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1608 X86_COND_NS, EFLAGS))]>,
1610 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1611 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1612 "cmovp{w}\t{$src2, $dst|$dst, $src2}",
1613 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1614 X86_COND_P, EFLAGS))]>,
1616 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1617 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1618 "cmovp{l}\t{$src2, $dst|$dst, $src2}",
1619 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1620 X86_COND_P, EFLAGS))]>,
1622 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1623 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1624 "cmovnp{w}\t{$src2, $dst|$dst, $src2}",
1625 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1626 X86_COND_NP, EFLAGS))]>,
1628 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1629 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1630 "cmovnp{l}\t{$src2, $dst|$dst, $src2}",
1631 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1632 X86_COND_NP, EFLAGS))]>,
1634 def CMOVO16rm : I<0x40, MRMSrcMem, // if overflow, GR16 = [mem16]
1635 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1636 "cmovo{w}\t{$src2, $dst|$dst, $src2}",
1637 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1638 X86_COND_O, EFLAGS))]>,
1640 def CMOVO32rm : I<0x40, MRMSrcMem, // if overflow, GR32 = [mem32]
1641 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1642 "cmovo{l}\t{$src2, $dst|$dst, $src2}",
1643 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1644 X86_COND_O, EFLAGS))]>,
1646 def CMOVNO16rm : I<0x41, MRMSrcMem, // if !overflow, GR16 = [mem16]
1647 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1648 "cmovno{w}\t{$src2, $dst|$dst, $src2}",
1649 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1650 X86_COND_NO, EFLAGS))]>,
1652 def CMOVNO32rm : I<0x41, MRMSrcMem, // if !overflow, GR32 = [mem32]
1653 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1654 "cmovno{l}\t{$src2, $dst|$dst, $src2}",
1655 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1656 X86_COND_NO, EFLAGS))]>,
1658 } // Predicates = [HasCMov]
1660 // X86 doesn't have 8-bit conditional moves. Use a customInserter to
1661 // emit control flow. An alternative to this is to mark i8 SELECT as Promote,
1662 // however that requires promoting the operands, and can induce additional
1663 // i8 register pressure. Note that CMOV_GR8 is conservatively considered to
1664 // clobber EFLAGS, because if one of the operands is zero, the expansion
1665 // could involve an xor.
1666 let usesCustomInserter = 1, Constraints = "", Defs = [EFLAGS] in {
1667 def CMOV_GR8 : I<0, Pseudo,
1668 (outs GR8:$dst), (ins GR8:$src1, GR8:$src2, i8imm:$cond),
1669 "#CMOV_GR8 PSEUDO!",
1670 [(set GR8:$dst, (X86cmov GR8:$src1, GR8:$src2,
1671 imm:$cond, EFLAGS))]>;
1673 let Predicates = [NoCMov] in {
1674 def CMOV_GR32 : I<0, Pseudo,
1675 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$cond),
1676 "#CMOV_GR32* PSEUDO!",
1678 (X86cmov GR32:$src1, GR32:$src2, imm:$cond, EFLAGS))]>;
1679 def CMOV_GR16 : I<0, Pseudo,
1680 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$cond),
1681 "#CMOV_GR16* PSEUDO!",
1683 (X86cmov GR16:$src1, GR16:$src2, imm:$cond, EFLAGS))]>;
1684 def CMOV_RFP32 : I<0, Pseudo,
1686 (ins RFP32:$src1, RFP32:$src2, i8imm:$cond),
1687 "#CMOV_RFP32 PSEUDO!",
1689 (X86cmov RFP32:$src1, RFP32:$src2, imm:$cond,
1691 def CMOV_RFP64 : I<0, Pseudo,
1693 (ins RFP64:$src1, RFP64:$src2, i8imm:$cond),
1694 "#CMOV_RFP64 PSEUDO!",
1696 (X86cmov RFP64:$src1, RFP64:$src2, imm:$cond,
1698 def CMOV_RFP80 : I<0, Pseudo,
1700 (ins RFP80:$src1, RFP80:$src2, i8imm:$cond),
1701 "#CMOV_RFP80 PSEUDO!",
1703 (X86cmov RFP80:$src1, RFP80:$src2, imm:$cond,
1705 } // Predicates = [NoCMov]
1706 } // UsesCustomInserter = 1, Constraints = "", Defs = [EFLAGS]
1707 } // Uses = [EFLAGS]
1710 // unary instructions
1711 let CodeSize = 2 in {
1712 let Defs = [EFLAGS] in {
1713 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src1),
1715 [(set GR8:$dst, (ineg GR8:$src1)),
1716 (implicit EFLAGS)]>;
1717 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src1),
1719 [(set GR16:$dst, (ineg GR16:$src1)),
1720 (implicit EFLAGS)]>, OpSize;
1721 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src1),
1723 [(set GR32:$dst, (ineg GR32:$src1)),
1724 (implicit EFLAGS)]>;
1726 let Constraints = "" in {
1727 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst),
1729 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
1730 (implicit EFLAGS)]>;
1731 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst),
1733 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
1734 (implicit EFLAGS)]>, OpSize;
1735 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst),
1737 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
1738 (implicit EFLAGS)]>;
1739 } // Constraints = ""
1740 } // Defs = [EFLAGS]
1742 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
1743 let AddedComplexity = 15 in {
1744 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src1),
1746 [(set GR8:$dst, (not GR8:$src1))]>;
1747 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src1),
1749 [(set GR16:$dst, (not GR16:$src1))]>, OpSize;
1750 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src1),
1752 [(set GR32:$dst, (not GR32:$src1))]>;
1754 let Constraints = "" in {
1755 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst),
1757 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1758 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst),
1760 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1761 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst),
1763 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1764 } // Constraints = ""
1767 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1768 let Defs = [EFLAGS] in {
1770 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
1772 [(set GR8:$dst, EFLAGS, (X86inc_flag GR8:$src1))]>;
1774 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1775 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src1),
1777 [(set GR16:$dst, EFLAGS, (X86inc_flag GR16:$src1))]>,
1778 OpSize, Requires<[In32BitMode]>;
1779 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1),
1781 [(set GR32:$dst, EFLAGS, (X86inc_flag GR32:$src1))]>,
1782 Requires<[In32BitMode]>;
1784 let Constraints = "", CodeSize = 2 in {
1785 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1786 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
1787 (implicit EFLAGS)]>;
1788 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1789 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
1790 (implicit EFLAGS)]>,
1791 OpSize, Requires<[In32BitMode]>;
1792 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1793 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
1794 (implicit EFLAGS)]>,
1795 Requires<[In32BitMode]>;
1796 } // Constraints = "", CodeSize = 2
1799 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
1801 [(set GR8:$dst, EFLAGS, (X86dec_flag GR8:$src1))]>;
1802 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1803 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src1),
1805 [(set GR16:$dst, EFLAGS, (X86dec_flag GR16:$src1))]>,
1806 OpSize, Requires<[In32BitMode]>;
1807 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1),
1809 [(set GR32:$dst, EFLAGS, (X86dec_flag GR32:$src1))]>,
1810 Requires<[In32BitMode]>;
1813 let Constraints = "", CodeSize = 2 in {
1814 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1815 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
1816 (implicit EFLAGS)]>;
1817 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1818 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
1819 (implicit EFLAGS)]>,
1820 OpSize, Requires<[In32BitMode]>;
1821 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1822 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
1823 (implicit EFLAGS)]>,
1824 Requires<[In32BitMode]>;
1825 } // Constraints = "", CodeSize = 2
1826 } // Defs = [EFLAGS]
1828 // Logical operators...
1829 let Defs = [EFLAGS] in {
1830 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1831 def AND8rr : I<0x20, MRMDestReg,
1832 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1833 "and{b}\t{$src2, $dst|$dst, $src2}",
1834 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1, GR8:$src2))]>;
1835 def AND16rr : I<0x21, MRMDestReg,
1836 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1837 "and{w}\t{$src2, $dst|$dst, $src2}",
1838 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1839 GR16:$src2))]>, OpSize;
1840 def AND32rr : I<0x21, MRMDestReg,
1841 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1842 "and{l}\t{$src2, $dst|$dst, $src2}",
1843 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1847 // AND instructions with the destination register in REG and the source register
1848 // in R/M. Included for the disassembler.
1849 let isCodeGenOnly = 1 in {
1850 def AND8rr_REV : I<0x22, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1851 "and{b}\t{$src2, $dst|$dst, $src2}", []>;
1852 def AND16rr_REV : I<0x23, MRMSrcReg, (outs GR16:$dst),
1853 (ins GR16:$src1, GR16:$src2),
1854 "and{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1855 def AND32rr_REV : I<0x23, MRMSrcReg, (outs GR32:$dst),
1856 (ins GR32:$src1, GR32:$src2),
1857 "and{l}\t{$src2, $dst|$dst, $src2}", []>;
1860 def AND8rm : I<0x22, MRMSrcMem,
1861 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1862 "and{b}\t{$src2, $dst|$dst, $src2}",
1863 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1,
1864 (loadi8 addr:$src2)))]>;
1865 def AND16rm : I<0x23, MRMSrcMem,
1866 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1867 "and{w}\t{$src2, $dst|$dst, $src2}",
1868 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1869 (loadi16 addr:$src2)))]>,
1871 def AND32rm : I<0x23, MRMSrcMem,
1872 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1873 "and{l}\t{$src2, $dst|$dst, $src2}",
1874 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1875 (loadi32 addr:$src2)))]>;
1877 def AND8ri : Ii8<0x80, MRM4r,
1878 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1879 "and{b}\t{$src2, $dst|$dst, $src2}",
1880 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1,
1882 def AND16ri : Ii16<0x81, MRM4r,
1883 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1884 "and{w}\t{$src2, $dst|$dst, $src2}",
1885 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1886 imm:$src2))]>, OpSize;
1887 def AND32ri : Ii32<0x81, MRM4r,
1888 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1889 "and{l}\t{$src2, $dst|$dst, $src2}",
1890 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1892 def AND16ri8 : Ii8<0x83, MRM4r,
1893 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1894 "and{w}\t{$src2, $dst|$dst, $src2}",
1895 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1896 i16immSExt8:$src2))]>,
1898 def AND32ri8 : Ii8<0x83, MRM4r,
1899 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1900 "and{l}\t{$src2, $dst|$dst, $src2}",
1901 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1902 i32immSExt8:$src2))]>;
1904 let Constraints = "" in {
1905 def AND8mr : I<0x20, MRMDestMem,
1906 (outs), (ins i8mem :$dst, GR8 :$src),
1907 "and{b}\t{$src, $dst|$dst, $src}",
1908 [(store (and (load addr:$dst), GR8:$src), addr:$dst),
1909 (implicit EFLAGS)]>;
1910 def AND16mr : I<0x21, MRMDestMem,
1911 (outs), (ins i16mem:$dst, GR16:$src),
1912 "and{w}\t{$src, $dst|$dst, $src}",
1913 [(store (and (load addr:$dst), GR16:$src), addr:$dst),
1914 (implicit EFLAGS)]>,
1916 def AND32mr : I<0x21, MRMDestMem,
1917 (outs), (ins i32mem:$dst, GR32:$src),
1918 "and{l}\t{$src, $dst|$dst, $src}",
1919 [(store (and (load addr:$dst), GR32:$src), addr:$dst),
1920 (implicit EFLAGS)]>;
1921 def AND8mi : Ii8<0x80, MRM4m,
1922 (outs), (ins i8mem :$dst, i8imm :$src),
1923 "and{b}\t{$src, $dst|$dst, $src}",
1924 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
1925 (implicit EFLAGS)]>;
1926 def AND16mi : Ii16<0x81, MRM4m,
1927 (outs), (ins i16mem:$dst, i16imm:$src),
1928 "and{w}\t{$src, $dst|$dst, $src}",
1929 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
1930 (implicit EFLAGS)]>,
1932 def AND32mi : Ii32<0x81, MRM4m,
1933 (outs), (ins i32mem:$dst, i32imm:$src),
1934 "and{l}\t{$src, $dst|$dst, $src}",
1935 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
1936 (implicit EFLAGS)]>;
1937 def AND16mi8 : Ii8<0x83, MRM4m,
1938 (outs), (ins i16mem:$dst, i16i8imm :$src),
1939 "and{w}\t{$src, $dst|$dst, $src}",
1940 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
1941 (implicit EFLAGS)]>,
1943 def AND32mi8 : Ii8<0x83, MRM4m,
1944 (outs), (ins i32mem:$dst, i32i8imm :$src),
1945 "and{l}\t{$src, $dst|$dst, $src}",
1946 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
1947 (implicit EFLAGS)]>;
1949 def AND8i8 : Ii8<0x24, RawFrm, (outs), (ins i8imm:$src),
1950 "and{b}\t{$src, %al|%al, $src}", []>;
1951 def AND16i16 : Ii16<0x25, RawFrm, (outs), (ins i16imm:$src),
1952 "and{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1953 def AND32i32 : Ii32<0x25, RawFrm, (outs), (ins i32imm:$src),
1954 "and{l}\t{$src, %eax|%eax, $src}", []>;
1956 } // Constraints = ""
1959 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1960 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst),
1961 (ins GR8 :$src1, GR8 :$src2),
1962 "or{b}\t{$src2, $dst|$dst, $src2}",
1963 [(set GR8:$dst, EFLAGS, (X86or_flag GR8:$src1, GR8:$src2))]>;
1964 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst),
1965 (ins GR16:$src1, GR16:$src2),
1966 "or{w}\t{$src2, $dst|$dst, $src2}",
1967 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,GR16:$src2))]>,
1969 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst),
1970 (ins GR32:$src1, GR32:$src2),
1971 "or{l}\t{$src2, $dst|$dst, $src2}",
1972 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,GR32:$src2))]>;
1975 // OR instructions with the destination register in REG and the source register
1976 // in R/M. Included for the disassembler.
1977 let isCodeGenOnly = 1 in {
1978 def OR8rr_REV : I<0x0A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1979 "or{b}\t{$src2, $dst|$dst, $src2}", []>;
1980 def OR16rr_REV : I<0x0B, MRMSrcReg, (outs GR16:$dst),
1981 (ins GR16:$src1, GR16:$src2),
1982 "or{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1983 def OR32rr_REV : I<0x0B, MRMSrcReg, (outs GR32:$dst),
1984 (ins GR32:$src1, GR32:$src2),
1985 "or{l}\t{$src2, $dst|$dst, $src2}", []>;
1988 def OR8rm : I<0x0A, MRMSrcMem, (outs GR8 :$dst),
1989 (ins GR8 :$src1, i8mem :$src2),
1990 "or{b}\t{$src2, $dst|$dst, $src2}",
1991 [(set GR8:$dst, EFLAGS, (X86or_flag GR8:$src1,
1992 (load addr:$src2)))]>;
1993 def OR16rm : I<0x0B, MRMSrcMem, (outs GR16:$dst),
1994 (ins GR16:$src1, i16mem:$src2),
1995 "or{w}\t{$src2, $dst|$dst, $src2}",
1996 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
1997 (load addr:$src2)))]>,
1999 def OR32rm : I<0x0B, MRMSrcMem, (outs GR32:$dst),
2000 (ins GR32:$src1, i32mem:$src2),
2001 "or{l}\t{$src2, $dst|$dst, $src2}",
2002 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
2003 (load addr:$src2)))]>;
2005 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst),
2006 (ins GR8 :$src1, i8imm:$src2),
2007 "or{b}\t{$src2, $dst|$dst, $src2}",
2008 [(set GR8:$dst,EFLAGS, (X86or_flag GR8:$src1, imm:$src2))]>;
2009 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst),
2010 (ins GR16:$src1, i16imm:$src2),
2011 "or{w}\t{$src2, $dst|$dst, $src2}",
2012 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
2013 imm:$src2))]>, OpSize;
2014 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst),
2015 (ins GR32:$src1, i32imm:$src2),
2016 "or{l}\t{$src2, $dst|$dst, $src2}",
2017 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
2020 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst),
2021 (ins GR16:$src1, i16i8imm:$src2),
2022 "or{w}\t{$src2, $dst|$dst, $src2}",
2023 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
2024 i16immSExt8:$src2))]>, OpSize;
2025 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst),
2026 (ins GR32:$src1, i32i8imm:$src2),
2027 "or{l}\t{$src2, $dst|$dst, $src2}",
2028 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
2029 i32immSExt8:$src2))]>;
2030 let Constraints = "" in {
2031 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
2032 "or{b}\t{$src, $dst|$dst, $src}",
2033 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
2034 (implicit EFLAGS)]>;
2035 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
2036 "or{w}\t{$src, $dst|$dst, $src}",
2037 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
2038 (implicit EFLAGS)]>, OpSize;
2039 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
2040 "or{l}\t{$src, $dst|$dst, $src}",
2041 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
2042 (implicit EFLAGS)]>;
2043 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2044 "or{b}\t{$src, $dst|$dst, $src}",
2045 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
2046 (implicit EFLAGS)]>;
2047 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
2048 "or{w}\t{$src, $dst|$dst, $src}",
2049 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
2050 (implicit EFLAGS)]>,
2052 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
2053 "or{l}\t{$src, $dst|$dst, $src}",
2054 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
2055 (implicit EFLAGS)]>;
2056 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
2057 "or{w}\t{$src, $dst|$dst, $src}",
2058 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
2059 (implicit EFLAGS)]>,
2061 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
2062 "or{l}\t{$src, $dst|$dst, $src}",
2063 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
2064 (implicit EFLAGS)]>;
2066 def OR8i8 : Ii8 <0x0C, RawFrm, (outs), (ins i8imm:$src),
2067 "or{b}\t{$src, %al|%al, $src}", []>;
2068 def OR16i16 : Ii16 <0x0D, RawFrm, (outs), (ins i16imm:$src),
2069 "or{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2070 def OR32i32 : Ii32 <0x0D, RawFrm, (outs), (ins i32imm:$src),
2071 "or{l}\t{$src, %eax|%eax, $src}", []>;
2072 } // Constraints = ""
2075 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
2076 def XOR8rr : I<0x30, MRMDestReg,
2077 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
2078 "xor{b}\t{$src2, $dst|$dst, $src2}",
2079 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1,
2081 def XOR16rr : I<0x31, MRMDestReg,
2082 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2083 "xor{w}\t{$src2, $dst|$dst, $src2}",
2084 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2085 GR16:$src2))]>, OpSize;
2086 def XOR32rr : I<0x31, MRMDestReg,
2087 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2088 "xor{l}\t{$src2, $dst|$dst, $src2}",
2089 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2091 } // isCommutable = 1
2093 // XOR instructions with the destination register in REG and the source register
2094 // in R/M. Included for the disassembler.
2095 let isCodeGenOnly = 1 in {
2096 def XOR8rr_REV : I<0x32, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2097 "xor{b}\t{$src2, $dst|$dst, $src2}", []>;
2098 def XOR16rr_REV : I<0x33, MRMSrcReg, (outs GR16:$dst),
2099 (ins GR16:$src1, GR16:$src2),
2100 "xor{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2101 def XOR32rr_REV : I<0x33, MRMSrcReg, (outs GR32:$dst),
2102 (ins GR32:$src1, GR32:$src2),
2103 "xor{l}\t{$src2, $dst|$dst, $src2}", []>;
2106 def XOR8rm : I<0x32, MRMSrcMem,
2107 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
2108 "xor{b}\t{$src2, $dst|$dst, $src2}",
2109 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1,
2110 (load addr:$src2)))]>;
2111 def XOR16rm : I<0x33, MRMSrcMem,
2112 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
2113 "xor{w}\t{$src2, $dst|$dst, $src2}",
2114 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2115 (load addr:$src2)))]>,
2117 def XOR32rm : I<0x33, MRMSrcMem,
2118 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2119 "xor{l}\t{$src2, $dst|$dst, $src2}",
2120 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2121 (load addr:$src2)))]>;
2123 def XOR8ri : Ii8<0x80, MRM6r,
2124 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2125 "xor{b}\t{$src2, $dst|$dst, $src2}",
2126 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1, imm:$src2))]>;
2127 def XOR16ri : Ii16<0x81, MRM6r,
2128 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2129 "xor{w}\t{$src2, $dst|$dst, $src2}",
2130 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2131 imm:$src2))]>, OpSize;
2132 def XOR32ri : Ii32<0x81, MRM6r,
2133 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2134 "xor{l}\t{$src2, $dst|$dst, $src2}",
2135 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2137 def XOR16ri8 : Ii8<0x83, MRM6r,
2138 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2139 "xor{w}\t{$src2, $dst|$dst, $src2}",
2140 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
2141 i16immSExt8:$src2))]>,
2143 def XOR32ri8 : Ii8<0x83, MRM6r,
2144 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2145 "xor{l}\t{$src2, $dst|$dst, $src2}",
2146 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
2147 i32immSExt8:$src2))]>;
2149 let Constraints = "" in {
2150 def XOR8mr : I<0x30, MRMDestMem,
2151 (outs), (ins i8mem :$dst, GR8 :$src),
2152 "xor{b}\t{$src, $dst|$dst, $src}",
2153 [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
2154 (implicit EFLAGS)]>;
2155 def XOR16mr : I<0x31, MRMDestMem,
2156 (outs), (ins i16mem:$dst, GR16:$src),
2157 "xor{w}\t{$src, $dst|$dst, $src}",
2158 [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
2159 (implicit EFLAGS)]>,
2161 def XOR32mr : I<0x31, MRMDestMem,
2162 (outs), (ins i32mem:$dst, GR32:$src),
2163 "xor{l}\t{$src, $dst|$dst, $src}",
2164 [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
2165 (implicit EFLAGS)]>;
2166 def XOR8mi : Ii8<0x80, MRM6m,
2167 (outs), (ins i8mem :$dst, i8imm :$src),
2168 "xor{b}\t{$src, $dst|$dst, $src}",
2169 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
2170 (implicit EFLAGS)]>;
2171 def XOR16mi : Ii16<0x81, MRM6m,
2172 (outs), (ins i16mem:$dst, i16imm:$src),
2173 "xor{w}\t{$src, $dst|$dst, $src}",
2174 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
2175 (implicit EFLAGS)]>,
2177 def XOR32mi : Ii32<0x81, MRM6m,
2178 (outs), (ins i32mem:$dst, i32imm:$src),
2179 "xor{l}\t{$src, $dst|$dst, $src}",
2180 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
2181 (implicit EFLAGS)]>;
2182 def XOR16mi8 : Ii8<0x83, MRM6m,
2183 (outs), (ins i16mem:$dst, i16i8imm :$src),
2184 "xor{w}\t{$src, $dst|$dst, $src}",
2185 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
2186 (implicit EFLAGS)]>,
2188 def XOR32mi8 : Ii8<0x83, MRM6m,
2189 (outs), (ins i32mem:$dst, i32i8imm :$src),
2190 "xor{l}\t{$src, $dst|$dst, $src}",
2191 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
2192 (implicit EFLAGS)]>;
2194 def XOR8i8 : Ii8 <0x34, RawFrm, (outs), (ins i8imm:$src),
2195 "xor{b}\t{$src, %al|%al, $src}", []>;
2196 def XOR16i16 : Ii16<0x35, RawFrm, (outs), (ins i16imm:$src),
2197 "xor{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2198 def XOR32i32 : Ii32<0x35, RawFrm, (outs), (ins i32imm:$src),
2199 "xor{l}\t{$src, %eax|%eax, $src}", []>;
2200 } // Constraints = ""
2201 } // Defs = [EFLAGS]
2203 // Shift instructions
2204 let Defs = [EFLAGS] in {
2205 let Uses = [CL] in {
2206 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1),
2207 "shl{b}\t{%cl, $dst|$dst, CL}",
2208 [(set GR8:$dst, (shl GR8:$src1, CL))]>;
2209 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src1),
2210 "shl{w}\t{%cl, $dst|$dst, CL}",
2211 [(set GR16:$dst, (shl GR16:$src1, CL))]>, OpSize;
2212 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src1),
2213 "shl{l}\t{%cl, $dst|$dst, CL}",
2214 [(set GR32:$dst, (shl GR32:$src1, CL))]>;
2217 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2218 "shl{b}\t{$src2, $dst|$dst, $src2}",
2219 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
2221 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2222 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2223 "shl{w}\t{$src2, $dst|$dst, $src2}",
2224 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2225 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2226 "shl{l}\t{$src2, $dst|$dst, $src2}",
2227 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
2229 // NOTE: We don't include patterns for shifts of a register by one, because
2230 // 'add reg,reg' is cheaper.
2232 def SHL8r1 : I<0xD0, MRM4r, (outs GR8:$dst), (ins GR8:$src1),
2233 "shl{b}\t$dst", []>;
2234 def SHL16r1 : I<0xD1, MRM4r, (outs GR16:$dst), (ins GR16:$src1),
2235 "shl{w}\t$dst", []>, OpSize;
2236 def SHL32r1 : I<0xD1, MRM4r, (outs GR32:$dst), (ins GR32:$src1),
2237 "shl{l}\t$dst", []>;
2239 } // isConvertibleToThreeAddress = 1
2241 let Constraints = "" in {
2242 let Uses = [CL] in {
2243 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
2244 "shl{b}\t{%cl, $dst|$dst, CL}",
2245 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
2246 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
2247 "shl{w}\t{%cl, $dst|$dst, CL}",
2248 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2249 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
2250 "shl{l}\t{%cl, $dst|$dst, CL}",
2251 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
2253 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
2254 "shl{b}\t{$src, $dst|$dst, $src}",
2255 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2256 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
2257 "shl{w}\t{$src, $dst|$dst, $src}",
2258 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2260 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
2261 "shl{l}\t{$src, $dst|$dst, $src}",
2262 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2265 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
2267 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2268 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
2270 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2272 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
2274 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2275 } // Constraints = ""
2277 let Uses = [CL] in {
2278 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src1),
2279 "shr{b}\t{%cl, $dst|$dst, CL}",
2280 [(set GR8:$dst, (srl GR8:$src1, CL))]>;
2281 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
2282 "shr{w}\t{%cl, $dst|$dst, CL}",
2283 [(set GR16:$dst, (srl GR16:$src1, CL))]>, OpSize;
2284 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
2285 "shr{l}\t{%cl, $dst|$dst, CL}",
2286 [(set GR32:$dst, (srl GR32:$src1, CL))]>;
2289 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2290 "shr{b}\t{$src2, $dst|$dst, $src2}",
2291 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
2292 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2293 "shr{w}\t{$src2, $dst|$dst, $src2}",
2294 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2295 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2296 "shr{l}\t{$src2, $dst|$dst, $src2}",
2297 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
2300 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
2302 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
2303 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
2305 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
2306 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
2308 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
2310 let Constraints = "" in {
2311 let Uses = [CL] in {
2312 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
2313 "shr{b}\t{%cl, $dst|$dst, CL}",
2314 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
2315 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
2316 "shr{w}\t{%cl, $dst|$dst, CL}",
2317 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
2319 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
2320 "shr{l}\t{%cl, $dst|$dst, CL}",
2321 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
2323 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
2324 "shr{b}\t{$src, $dst|$dst, $src}",
2325 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2326 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
2327 "shr{w}\t{$src, $dst|$dst, $src}",
2328 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2330 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
2331 "shr{l}\t{$src, $dst|$dst, $src}",
2332 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2335 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
2337 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2338 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
2340 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
2341 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
2343 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2344 } // Constraints = ""
2346 let Uses = [CL] in {
2347 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
2348 "sar{b}\t{%cl, $dst|$dst, CL}",
2349 [(set GR8:$dst, (sra GR8:$src1, CL))]>;
2350 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
2351 "sar{w}\t{%cl, $dst|$dst, CL}",
2352 [(set GR16:$dst, (sra GR16:$src1, CL))]>, OpSize;
2353 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
2354 "sar{l}\t{%cl, $dst|$dst, CL}",
2355 [(set GR32:$dst, (sra GR32:$src1, CL))]>;
2358 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2359 "sar{b}\t{$src2, $dst|$dst, $src2}",
2360 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
2361 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2362 "sar{w}\t{$src2, $dst|$dst, $src2}",
2363 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
2365 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2366 "sar{l}\t{$src2, $dst|$dst, $src2}",
2367 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
2370 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
2372 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
2373 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
2375 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
2376 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
2378 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
2380 let Constraints = "" in {
2381 let Uses = [CL] in {
2382 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
2383 "sar{b}\t{%cl, $dst|$dst, CL}",
2384 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
2385 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
2386 "sar{w}\t{%cl, $dst|$dst, CL}",
2387 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2388 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
2389 "sar{l}\t{%cl, $dst|$dst, CL}",
2390 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
2392 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
2393 "sar{b}\t{$src, $dst|$dst, $src}",
2394 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2395 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
2396 "sar{w}\t{$src, $dst|$dst, $src}",
2397 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2399 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
2400 "sar{l}\t{$src, $dst|$dst, $src}",
2401 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2404 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
2406 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2407 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
2409 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2411 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
2413 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2414 } // Constraints = ""
2416 // Rotate instructions
2418 def RCL8r1 : I<0xD0, MRM2r, (outs GR8:$dst), (ins GR8:$src1),
2419 "rcl{b}\t{1, $dst|$dst, 1}", []>;
2420 let Uses = [CL] in {
2421 def RCL8rCL : I<0xD2, MRM2r, (outs GR8:$dst), (ins GR8:$src1),
2422 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
2424 def RCL8ri : Ii8<0xC0, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$cnt),
2425 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2427 def RCL16r1 : I<0xD1, MRM2r, (outs GR16:$dst), (ins GR16:$src1),
2428 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2429 let Uses = [CL] in {
2430 def RCL16rCL : I<0xD3, MRM2r, (outs GR16:$dst), (ins GR16:$src1),
2431 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2433 def RCL16ri : Ii8<0xC1, MRM2r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$cnt),
2434 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2436 def RCL32r1 : I<0xD1, MRM2r, (outs GR32:$dst), (ins GR32:$src1),
2437 "rcl{l}\t{1, $dst|$dst, 1}", []>;
2438 let Uses = [CL] in {
2439 def RCL32rCL : I<0xD3, MRM2r, (outs GR32:$dst), (ins GR32:$src1),
2440 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
2442 def RCL32ri : Ii8<0xC1, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$cnt),
2443 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2445 def RCR8r1 : I<0xD0, MRM3r, (outs GR8:$dst), (ins GR8:$src1),
2446 "rcr{b}\t{1, $dst|$dst, 1}", []>;
2447 let Uses = [CL] in {
2448 def RCR8rCL : I<0xD2, MRM3r, (outs GR8:$dst), (ins GR8:$src1),
2449 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
2451 def RCR8ri : Ii8<0xC0, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$cnt),
2452 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2454 def RCR16r1 : I<0xD1, MRM3r, (outs GR16:$dst), (ins GR16:$src1),
2455 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2456 let Uses = [CL] in {
2457 def RCR16rCL : I<0xD3, MRM3r, (outs GR16:$dst), (ins GR16:$src1),
2458 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2460 def RCR16ri : Ii8<0xC1, MRM3r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$cnt),
2461 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2463 def RCR32r1 : I<0xD1, MRM3r, (outs GR32:$dst), (ins GR32:$src1),
2464 "rcr{l}\t{1, $dst|$dst, 1}", []>;
2465 let Uses = [CL] in {
2466 def RCR32rCL : I<0xD3, MRM3r, (outs GR32:$dst), (ins GR32:$src1),
2467 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
2469 def RCR32ri : Ii8<0xC1, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$cnt),
2470 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2472 let Constraints = "" in {
2473 def RCL8m1 : I<0xD0, MRM2m, (outs), (ins i8mem:$dst),
2474 "rcl{b}\t{1, $dst|$dst, 1}", []>;
2475 def RCL8mi : Ii8<0xC0, MRM2m, (outs), (ins i8mem:$dst, i8imm:$cnt),
2476 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2477 def RCL16m1 : I<0xD1, MRM2m, (outs), (ins i16mem:$dst),
2478 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2479 def RCL16mi : Ii8<0xC1, MRM2m, (outs), (ins i16mem:$dst, i8imm:$cnt),
2480 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2481 def RCL32m1 : I<0xD1, MRM2m, (outs), (ins i32mem:$dst),
2482 "rcl{l}\t{1, $dst|$dst, 1}", []>;
2483 def RCL32mi : Ii8<0xC1, MRM2m, (outs), (ins i32mem:$dst, i8imm:$cnt),
2484 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2485 def RCR8m1 : I<0xD0, MRM3m, (outs), (ins i8mem:$dst),
2486 "rcr{b}\t{1, $dst|$dst, 1}", []>;
2487 def RCR8mi : Ii8<0xC0, MRM3m, (outs), (ins i8mem:$dst, i8imm:$cnt),
2488 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
2489 def RCR16m1 : I<0xD1, MRM3m, (outs), (ins i16mem:$dst),
2490 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
2491 def RCR16mi : Ii8<0xC1, MRM3m, (outs), (ins i16mem:$dst, i8imm:$cnt),
2492 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
2493 def RCR32m1 : I<0xD1, MRM3m, (outs), (ins i32mem:$dst),
2494 "rcr{l}\t{1, $dst|$dst, 1}", []>;
2495 def RCR32mi : Ii8<0xC1, MRM3m, (outs), (ins i32mem:$dst, i8imm:$cnt),
2496 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
2498 let Uses = [CL] in {
2499 def RCL8mCL : I<0xD2, MRM2m, (outs), (ins i8mem:$dst),
2500 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
2501 def RCL16mCL : I<0xD3, MRM2m, (outs), (ins i16mem:$dst),
2502 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2503 def RCL32mCL : I<0xD3, MRM2m, (outs), (ins i32mem:$dst),
2504 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
2505 def RCR8mCL : I<0xD2, MRM3m, (outs), (ins i8mem:$dst),
2506 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
2507 def RCR16mCL : I<0xD3, MRM3m, (outs), (ins i16mem:$dst),
2508 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
2509 def RCR32mCL : I<0xD3, MRM3m, (outs), (ins i32mem:$dst),
2510 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
2512 } // Constraints = ""
2514 // FIXME: provide shorter instructions when imm8 == 1
2515 let Uses = [CL] in {
2516 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
2517 "rol{b}\t{%cl, $dst|$dst, CL}",
2518 [(set GR8:$dst, (rotl GR8:$src1, CL))]>;
2519 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
2520 "rol{w}\t{%cl, $dst|$dst, CL}",
2521 [(set GR16:$dst, (rotl GR16:$src1, CL))]>, OpSize;
2522 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
2523 "rol{l}\t{%cl, $dst|$dst, CL}",
2524 [(set GR32:$dst, (rotl GR32:$src1, CL))]>;
2527 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2528 "rol{b}\t{$src2, $dst|$dst, $src2}",
2529 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
2530 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2531 "rol{w}\t{$src2, $dst|$dst, $src2}",
2532 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>,
2534 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2535 "rol{l}\t{$src2, $dst|$dst, $src2}",
2536 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
2539 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
2541 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
2542 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
2544 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
2545 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
2547 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
2549 let Constraints = "" in {
2550 let Uses = [CL] in {
2551 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
2552 "rol{b}\t{%cl, $dst|$dst, CL}",
2553 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
2554 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
2555 "rol{w}\t{%cl, $dst|$dst, CL}",
2556 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2557 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
2558 "rol{l}\t{%cl, $dst|$dst, CL}",
2559 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
2561 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
2562 "rol{b}\t{$src, $dst|$dst, $src}",
2563 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2564 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
2565 "rol{w}\t{$src, $dst|$dst, $src}",
2566 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2568 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
2569 "rol{l}\t{$src, $dst|$dst, $src}",
2570 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2573 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
2575 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2576 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
2578 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2580 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
2582 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2583 } // Constraints = ""
2585 let Uses = [CL] in {
2586 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2587 "ror{b}\t{%cl, $dst|$dst, CL}",
2588 [(set GR8:$dst, (rotr GR8:$src1, CL))]>;
2589 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2590 "ror{w}\t{%cl, $dst|$dst, CL}",
2591 [(set GR16:$dst, (rotr GR16:$src1, CL))]>, OpSize;
2592 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2593 "ror{l}\t{%cl, $dst|$dst, CL}",
2594 [(set GR32:$dst, (rotr GR32:$src1, CL))]>;
2597 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2598 "ror{b}\t{$src2, $dst|$dst, $src2}",
2599 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
2600 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2601 "ror{w}\t{$src2, $dst|$dst, $src2}",
2602 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>,
2604 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2605 "ror{l}\t{$src2, $dst|$dst, $src2}",
2606 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
2609 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2611 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
2612 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2614 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
2615 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2617 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
2619 let Constraints = "" in {
2620 let Uses = [CL] in {
2621 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
2622 "ror{b}\t{%cl, $dst|$dst, CL}",
2623 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
2624 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
2625 "ror{w}\t{%cl, $dst|$dst, CL}",
2626 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2627 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
2628 "ror{l}\t{%cl, $dst|$dst, CL}",
2629 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
2631 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2632 "ror{b}\t{$src, $dst|$dst, $src}",
2633 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2634 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
2635 "ror{w}\t{$src, $dst|$dst, $src}",
2636 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2638 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
2639 "ror{l}\t{$src, $dst|$dst, $src}",
2640 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2643 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
2645 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2646 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
2648 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2650 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
2652 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2653 } // Constraints = ""
2656 // Double shift instructions (generalizations of rotate)
2657 let Uses = [CL] in {
2658 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst),
2659 (ins GR32:$src1, GR32:$src2),
2660 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2661 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
2662 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst),
2663 (ins GR32:$src1, GR32:$src2),
2664 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2665 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
2666 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst),
2667 (ins GR16:$src1, GR16:$src2),
2668 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2669 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
2671 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst),
2672 (ins GR16:$src1, GR16:$src2),
2673 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2674 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
2678 let isCommutable = 1 in { // These instructions commute to each other.
2679 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
2681 (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2682 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2683 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
2686 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
2688 (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2689 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2690 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
2693 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
2695 (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2696 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2697 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
2700 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
2702 (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2703 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2704 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
2709 let Constraints = "" in {
2710 let Uses = [CL] in {
2711 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2712 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2713 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
2715 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2716 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2717 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
2720 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
2721 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2722 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2723 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
2724 (i8 imm:$src3)), addr:$dst)]>,
2726 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
2727 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2728 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2729 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
2730 (i8 imm:$src3)), addr:$dst)]>,
2733 let Uses = [CL] in {
2734 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2735 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2736 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
2737 addr:$dst)]>, TB, OpSize;
2738 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2739 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
2740 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
2741 addr:$dst)]>, TB, OpSize;
2743 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
2744 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2745 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2746 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
2747 (i8 imm:$src3)), addr:$dst)]>,
2749 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
2750 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2751 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2752 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
2753 (i8 imm:$src3)), addr:$dst)]>,
2755 } // Constraints = ""
2756 } // Defs = [EFLAGS]
2760 let Defs = [EFLAGS] in {
2761 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
2762 // Register-Register Addition
2763 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
2764 (ins GR8 :$src1, GR8 :$src2),
2765 "add{b}\t{$src2, $dst|$dst, $src2}",
2766 [(set GR8:$dst, EFLAGS, (X86add_flag GR8:$src1, GR8:$src2))]>;
2768 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2769 // Register-Register Addition
2770 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
2771 (ins GR16:$src1, GR16:$src2),
2772 "add{w}\t{$src2, $dst|$dst, $src2}",
2773 [(set GR16:$dst, EFLAGS, (X86add_flag GR16:$src1,
2774 GR16:$src2))]>, OpSize;
2775 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
2776 (ins GR32:$src1, GR32:$src2),
2777 "add{l}\t{$src2, $dst|$dst, $src2}",
2778 [(set GR32:$dst, EFLAGS, (X86add_flag GR32:$src1,
2780 } // end isConvertibleToThreeAddress
2781 } // end isCommutable
2783 // These are alternate spellings for use by the disassembler, we mark them as
2784 // code gen only to ensure they aren't matched by the assembler.
2785 let isCodeGenOnly = 1 in {
2786 def ADD8rr_alt: I<0x02, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2787 "add{b}\t{$src2, $dst|$dst, $src2}", []>;
2788 def ADD16rr_alt: I<0x03, MRMSrcReg,(outs GR16:$dst),(ins GR16:$src1, GR16:$src2),
2789 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2790 def ADD32rr_alt: I<0x03, MRMSrcReg,(outs GR32:$dst),(ins GR32:$src1, GR32:$src2),
2791 "add{l}\t{$src2, $dst|$dst, $src2}", []>;
2794 // Register-Memory Addition
2795 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
2796 (ins GR8 :$src1, i8mem :$src2),
2797 "add{b}\t{$src2, $dst|$dst, $src2}",
2798 [(set GR8:$dst, EFLAGS, (X86add_flag GR8:$src1,
2799 (load addr:$src2)))]>;
2800 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
2801 (ins GR16:$src1, i16mem:$src2),
2802 "add{w}\t{$src2, $dst|$dst, $src2}",
2803 [(set GR16:$dst, EFLAGS, (X86add_flag GR16:$src1,
2804 (load addr:$src2)))]>, OpSize;
2805 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
2806 (ins GR32:$src1, i32mem:$src2),
2807 "add{l}\t{$src2, $dst|$dst, $src2}",
2808 [(set GR32:$dst, EFLAGS, (X86add_flag GR32:$src1,
2809 (load addr:$src2)))]>;
2811 // Register-Integer Addition
2812 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2813 "add{b}\t{$src2, $dst|$dst, $src2}",
2814 [(set GR8:$dst, EFLAGS,
2815 (X86add_flag GR8:$src1, imm:$src2))]>;
2817 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2818 // Register-Integer Addition
2819 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
2820 (ins GR16:$src1, i16imm:$src2),
2821 "add{w}\t{$src2, $dst|$dst, $src2}",
2822 [(set GR16:$dst, EFLAGS,
2823 (X86add_flag GR16:$src1, imm:$src2))]>, OpSize;
2824 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2825 (ins GR32:$src1, i32imm:$src2),
2826 "add{l}\t{$src2, $dst|$dst, $src2}",
2827 [(set GR32:$dst, EFLAGS,
2828 (X86add_flag GR32:$src1, imm:$src2))]>;
2829 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2830 (ins GR16:$src1, i16i8imm:$src2),
2831 "add{w}\t{$src2, $dst|$dst, $src2}",
2832 [(set GR16:$dst, EFLAGS,
2833 (X86add_flag GR16:$src1, i16immSExt8:$src2))]>, OpSize;
2834 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2835 (ins GR32:$src1, i32i8imm:$src2),
2836 "add{l}\t{$src2, $dst|$dst, $src2}",
2837 [(set GR32:$dst, EFLAGS,
2838 (X86add_flag GR32:$src1, i32immSExt8:$src2))]>;
2841 let Constraints = "" in {
2842 // Memory-Register Addition
2843 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2844 "add{b}\t{$src2, $dst|$dst, $src2}",
2845 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2846 (implicit EFLAGS)]>;
2847 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2848 "add{w}\t{$src2, $dst|$dst, $src2}",
2849 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2850 (implicit EFLAGS)]>, OpSize;
2851 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2852 "add{l}\t{$src2, $dst|$dst, $src2}",
2853 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2854 (implicit EFLAGS)]>;
2855 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2856 "add{b}\t{$src2, $dst|$dst, $src2}",
2857 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2858 (implicit EFLAGS)]>;
2859 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2860 "add{w}\t{$src2, $dst|$dst, $src2}",
2861 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2862 (implicit EFLAGS)]>, OpSize;
2863 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2864 "add{l}\t{$src2, $dst|$dst, $src2}",
2865 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2866 (implicit EFLAGS)]>;
2867 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2868 "add{w}\t{$src2, $dst|$dst, $src2}",
2869 [(store (add (load addr:$dst), i16immSExt8:$src2),
2871 (implicit EFLAGS)]>, OpSize;
2872 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2873 "add{l}\t{$src2, $dst|$dst, $src2}",
2874 [(store (add (load addr:$dst), i32immSExt8:$src2),
2876 (implicit EFLAGS)]>;
2879 def ADD8i8 : Ii8<0x04, RawFrm, (outs), (ins i8imm:$src),
2880 "add{b}\t{$src, %al|%al, $src}", []>;
2881 def ADD16i16 : Ii16<0x05, RawFrm, (outs), (ins i16imm:$src),
2882 "add{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2883 def ADD32i32 : Ii32<0x05, RawFrm, (outs), (ins i32imm:$src),
2884 "add{l}\t{$src, %eax|%eax, $src}", []>;
2885 } // Constraints = ""
2887 let Uses = [EFLAGS] in {
2888 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2889 def ADC8rr : I<0x10, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2890 "adc{b}\t{$src2, $dst|$dst, $src2}",
2891 [(set GR8:$dst, (adde GR8:$src1, GR8:$src2))]>;
2892 def ADC16rr : I<0x11, MRMDestReg, (outs GR16:$dst),
2893 (ins GR16:$src1, GR16:$src2),
2894 "adc{w}\t{$src2, $dst|$dst, $src2}",
2895 [(set GR16:$dst, (adde GR16:$src1, GR16:$src2))]>, OpSize;
2896 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst),
2897 (ins GR32:$src1, GR32:$src2),
2898 "adc{l}\t{$src2, $dst|$dst, $src2}",
2899 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2902 let isCodeGenOnly = 1 in {
2903 def ADC8rr_REV : I<0x12, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2904 "adc{b}\t{$src2, $dst|$dst, $src2}", []>;
2905 def ADC16rr_REV : I<0x13, MRMSrcReg, (outs GR16:$dst),
2906 (ins GR16:$src1, GR16:$src2),
2907 "adc{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2908 def ADC32rr_REV : I<0x13, MRMSrcReg, (outs GR32:$dst),
2909 (ins GR32:$src1, GR32:$src2),
2910 "adc{l}\t{$src2, $dst|$dst, $src2}", []>;
2913 def ADC8rm : I<0x12, MRMSrcMem , (outs GR8:$dst),
2914 (ins GR8:$src1, i8mem:$src2),
2915 "adc{b}\t{$src2, $dst|$dst, $src2}",
2916 [(set GR8:$dst, (adde GR8:$src1, (load addr:$src2)))]>;
2917 def ADC16rm : I<0x13, MRMSrcMem , (outs GR16:$dst),
2918 (ins GR16:$src1, i16mem:$src2),
2919 "adc{w}\t{$src2, $dst|$dst, $src2}",
2920 [(set GR16:$dst, (adde GR16:$src1, (load addr:$src2)))]>,
2922 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst),
2923 (ins GR32:$src1, i32mem:$src2),
2924 "adc{l}\t{$src2, $dst|$dst, $src2}",
2925 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2926 def ADC8ri : Ii8<0x80, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2927 "adc{b}\t{$src2, $dst|$dst, $src2}",
2928 [(set GR8:$dst, (adde GR8:$src1, imm:$src2))]>;
2929 def ADC16ri : Ii16<0x81, MRM2r, (outs GR16:$dst),
2930 (ins GR16:$src1, i16imm:$src2),
2931 "adc{w}\t{$src2, $dst|$dst, $src2}",
2932 [(set GR16:$dst, (adde GR16:$src1, imm:$src2))]>, OpSize;
2933 def ADC16ri8 : Ii8<0x83, MRM2r, (outs GR16:$dst),
2934 (ins GR16:$src1, i16i8imm:$src2),
2935 "adc{w}\t{$src2, $dst|$dst, $src2}",
2936 [(set GR16:$dst, (adde GR16:$src1, i16immSExt8:$src2))]>,
2938 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst),
2939 (ins GR32:$src1, i32imm:$src2),
2940 "adc{l}\t{$src2, $dst|$dst, $src2}",
2941 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2942 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst),
2943 (ins GR32:$src1, i32i8imm:$src2),
2944 "adc{l}\t{$src2, $dst|$dst, $src2}",
2945 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2947 let Constraints = "" in {
2948 def ADC8mr : I<0x10, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2949 "adc{b}\t{$src2, $dst|$dst, $src2}",
2950 [(store (adde (load addr:$dst), GR8:$src2), addr:$dst)]>;
2951 def ADC16mr : I<0x11, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2952 "adc{w}\t{$src2, $dst|$dst, $src2}",
2953 [(store (adde (load addr:$dst), GR16:$src2), addr:$dst)]>,
2955 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2956 "adc{l}\t{$src2, $dst|$dst, $src2}",
2957 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2958 def ADC8mi : Ii8<0x80, MRM2m, (outs), (ins i8mem:$dst, i8imm:$src2),
2959 "adc{b}\t{$src2, $dst|$dst, $src2}",
2960 [(store (adde (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2961 def ADC16mi : Ii16<0x81, MRM2m, (outs), (ins i16mem:$dst, i16imm:$src2),
2962 "adc{w}\t{$src2, $dst|$dst, $src2}",
2963 [(store (adde (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2965 def ADC16mi8 : Ii8<0x83, MRM2m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2966 "adc{w}\t{$src2, $dst|$dst, $src2}",
2967 [(store (adde (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2969 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2970 "adc{l}\t{$src2, $dst|$dst, $src2}",
2971 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2972 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2973 "adc{l}\t{$src2, $dst|$dst, $src2}",
2974 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2976 def ADC8i8 : Ii8<0x14, RawFrm, (outs), (ins i8imm:$src),
2977 "adc{b}\t{$src, %al|%al, $src}", []>;
2978 def ADC16i16 : Ii16<0x15, RawFrm, (outs), (ins i16imm:$src),
2979 "adc{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2980 def ADC32i32 : Ii32<0x15, RawFrm, (outs), (ins i32imm:$src),
2981 "adc{l}\t{$src, %eax|%eax, $src}", []>;
2982 } // Constraints = ""
2983 } // Uses = [EFLAGS]
2985 // Register-Register Subtraction
2986 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2987 "sub{b}\t{$src2, $dst|$dst, $src2}",
2988 [(set GR8:$dst, EFLAGS,
2989 (X86sub_flag GR8:$src1, GR8:$src2))]>;
2990 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2991 "sub{w}\t{$src2, $dst|$dst, $src2}",
2992 [(set GR16:$dst, EFLAGS,
2993 (X86sub_flag GR16:$src1, GR16:$src2))]>, OpSize;
2994 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2995 "sub{l}\t{$src2, $dst|$dst, $src2}",
2996 [(set GR32:$dst, EFLAGS,
2997 (X86sub_flag GR32:$src1, GR32:$src2))]>;
2999 let isCodeGenOnly = 1 in {
3000 def SUB8rr_REV : I<0x2A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
3001 "sub{b}\t{$src2, $dst|$dst, $src2}", []>;
3002 def SUB16rr_REV : I<0x2B, MRMSrcReg, (outs GR16:$dst),
3003 (ins GR16:$src1, GR16:$src2),
3004 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
3005 def SUB32rr_REV : I<0x2B, MRMSrcReg, (outs GR32:$dst),
3006 (ins GR32:$src1, GR32:$src2),
3007 "sub{l}\t{$src2, $dst|$dst, $src2}", []>;
3010 // Register-Memory Subtraction
3011 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
3012 (ins GR8 :$src1, i8mem :$src2),
3013 "sub{b}\t{$src2, $dst|$dst, $src2}",
3014 [(set GR8:$dst, EFLAGS,
3015 (X86sub_flag GR8:$src1, (load addr:$src2)))]>;
3016 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
3017 (ins GR16:$src1, i16mem:$src2),
3018 "sub{w}\t{$src2, $dst|$dst, $src2}",
3019 [(set GR16:$dst, EFLAGS,
3020 (X86sub_flag GR16:$src1, (load addr:$src2)))]>, OpSize;
3021 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
3022 (ins GR32:$src1, i32mem:$src2),
3023 "sub{l}\t{$src2, $dst|$dst, $src2}",
3024 [(set GR32:$dst, EFLAGS,
3025 (X86sub_flag GR32:$src1, (load addr:$src2)))]>;
3027 // Register-Integer Subtraction
3028 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
3029 (ins GR8:$src1, i8imm:$src2),
3030 "sub{b}\t{$src2, $dst|$dst, $src2}",
3031 [(set GR8:$dst, EFLAGS,
3032 (X86sub_flag GR8:$src1, imm:$src2))]>;
3033 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
3034 (ins GR16:$src1, i16imm:$src2),
3035 "sub{w}\t{$src2, $dst|$dst, $src2}",
3036 [(set GR16:$dst, EFLAGS,
3037 (X86sub_flag GR16:$src1, imm:$src2))]>, OpSize;
3038 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
3039 (ins GR32:$src1, i32imm:$src2),
3040 "sub{l}\t{$src2, $dst|$dst, $src2}",
3041 [(set GR32:$dst, EFLAGS,
3042 (X86sub_flag GR32:$src1, imm:$src2))]>;
3043 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
3044 (ins GR16:$src1, i16i8imm:$src2),
3045 "sub{w}\t{$src2, $dst|$dst, $src2}",
3046 [(set GR16:$dst, EFLAGS,
3047 (X86sub_flag GR16:$src1, i16immSExt8:$src2))]>, OpSize;
3048 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
3049 (ins GR32:$src1, i32i8imm:$src2),
3050 "sub{l}\t{$src2, $dst|$dst, $src2}",
3051 [(set GR32:$dst, EFLAGS,
3052 (X86sub_flag GR32:$src1, i32immSExt8:$src2))]>;
3054 let Constraints = "" in {
3055 // Memory-Register Subtraction
3056 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
3057 "sub{b}\t{$src2, $dst|$dst, $src2}",
3058 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
3059 (implicit EFLAGS)]>;
3060 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3061 "sub{w}\t{$src2, $dst|$dst, $src2}",
3062 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
3063 (implicit EFLAGS)]>, OpSize;
3064 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3065 "sub{l}\t{$src2, $dst|$dst, $src2}",
3066 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
3067 (implicit EFLAGS)]>;
3069 // Memory-Integer Subtraction
3070 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
3071 "sub{b}\t{$src2, $dst|$dst, $src2}",
3072 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
3073 (implicit EFLAGS)]>;
3074 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
3075 "sub{w}\t{$src2, $dst|$dst, $src2}",
3076 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
3077 (implicit EFLAGS)]>, OpSize;
3078 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
3079 "sub{l}\t{$src2, $dst|$dst, $src2}",
3080 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
3081 (implicit EFLAGS)]>;
3082 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3083 "sub{w}\t{$src2, $dst|$dst, $src2}",
3084 [(store (sub (load addr:$dst), i16immSExt8:$src2),
3086 (implicit EFLAGS)]>, OpSize;
3087 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3088 "sub{l}\t{$src2, $dst|$dst, $src2}",
3089 [(store (sub (load addr:$dst), i32immSExt8:$src2),
3091 (implicit EFLAGS)]>;
3093 def SUB8i8 : Ii8<0x2C, RawFrm, (outs), (ins i8imm:$src),
3094 "sub{b}\t{$src, %al|%al, $src}", []>;
3095 def SUB16i16 : Ii16<0x2D, RawFrm, (outs), (ins i16imm:$src),
3096 "sub{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3097 def SUB32i32 : Ii32<0x2D, RawFrm, (outs), (ins i32imm:$src),
3098 "sub{l}\t{$src, %eax|%eax, $src}", []>;
3099 } // Constraints = ""
3101 let Uses = [EFLAGS] in {
3102 def SBB8rr : I<0x18, MRMDestReg, (outs GR8:$dst),
3103 (ins GR8:$src1, GR8:$src2),
3104 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3105 [(set GR8:$dst, (sube GR8:$src1, GR8:$src2))]>;
3106 def SBB16rr : I<0x19, MRMDestReg, (outs GR16:$dst),
3107 (ins GR16:$src1, GR16:$src2),
3108 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3109 [(set GR16:$dst, (sube GR16:$src1, GR16:$src2))]>, OpSize;
3110 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst),
3111 (ins GR32:$src1, GR32:$src2),
3112 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3113 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
3115 let Constraints = "" in {
3116 def SBB8mr : I<0x18, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
3117 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3118 [(store (sube (load addr:$dst), GR8:$src2), addr:$dst)]>;
3119 def SBB16mr : I<0x19, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
3120 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3121 [(store (sube (load addr:$dst), GR16:$src2), addr:$dst)]>,
3123 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
3124 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3125 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
3126 def SBB8mi : Ii8<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
3127 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3128 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
3129 def SBB16mi : Ii16<0x81, MRM3m, (outs), (ins i16mem:$dst, i16imm:$src2),
3130 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3131 [(store (sube (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
3133 def SBB16mi8 : Ii8<0x83, MRM3m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
3134 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3135 [(store (sube (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
3137 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
3138 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3139 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
3140 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
3141 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3142 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
3144 def SBB8i8 : Ii8<0x1C, RawFrm, (outs), (ins i8imm:$src),
3145 "sbb{b}\t{$src, %al|%al, $src}", []>;
3146 def SBB16i16 : Ii16<0x1D, RawFrm, (outs), (ins i16imm:$src),
3147 "sbb{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3148 def SBB32i32 : Ii32<0x1D, RawFrm, (outs), (ins i32imm:$src),
3149 "sbb{l}\t{$src, %eax|%eax, $src}", []>;
3150 } // Constraints = ""
3152 let isCodeGenOnly = 1 in {
3153 def SBB8rr_REV : I<0x1A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
3154 "sbb{b}\t{$src2, $dst|$dst, $src2}", []>;
3155 def SBB16rr_REV : I<0x1B, MRMSrcReg, (outs GR16:$dst),
3156 (ins GR16:$src1, GR16:$src2),
3157 "sbb{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
3158 def SBB32rr_REV : I<0x1B, MRMSrcReg, (outs GR32:$dst),
3159 (ins GR32:$src1, GR32:$src2),
3160 "sbb{l}\t{$src2, $dst|$dst, $src2}", []>;
3163 def SBB8rm : I<0x1A, MRMSrcMem, (outs GR8:$dst), (ins GR8:$src1, i8mem:$src2),
3164 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3165 [(set GR8:$dst, (sube GR8:$src1, (load addr:$src2)))]>;
3166 def SBB16rm : I<0x1B, MRMSrcMem, (outs GR16:$dst),
3167 (ins GR16:$src1, i16mem:$src2),
3168 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3169 [(set GR16:$dst, (sube GR16:$src1, (load addr:$src2)))]>,
3171 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst),
3172 (ins GR32:$src1, i32mem:$src2),
3173 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3174 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
3175 def SBB8ri : Ii8<0x80, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
3176 "sbb{b}\t{$src2, $dst|$dst, $src2}",
3177 [(set GR8:$dst, (sube GR8:$src1, imm:$src2))]>;
3178 def SBB16ri : Ii16<0x81, MRM3r, (outs GR16:$dst),
3179 (ins GR16:$src1, i16imm:$src2),
3180 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3181 [(set GR16:$dst, (sube GR16:$src1, imm:$src2))]>, OpSize;
3182 def SBB16ri8 : Ii8<0x83, MRM3r, (outs GR16:$dst),
3183 (ins GR16:$src1, i16i8imm:$src2),
3184 "sbb{w}\t{$src2, $dst|$dst, $src2}",
3185 [(set GR16:$dst, (sube GR16:$src1, i16immSExt8:$src2))]>,
3187 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst),
3188 (ins GR32:$src1, i32imm:$src2),
3189 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3190 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
3191 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst),
3192 (ins GR32:$src1, i32i8imm:$src2),
3193 "sbb{l}\t{$src2, $dst|$dst, $src2}",
3194 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
3195 } // Uses = [EFLAGS]
3196 } // Defs = [EFLAGS]
3198 let Defs = [EFLAGS] in {
3199 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
3200 // Register-Register Signed Integer Multiply
3201 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
3202 "imul{w}\t{$src2, $dst|$dst, $src2}",
3203 [(set GR16:$dst, EFLAGS,
3204 (X86smul_flag GR16:$src1, GR16:$src2))]>, TB, OpSize;
3205 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
3206 "imul{l}\t{$src2, $dst|$dst, $src2}",
3207 [(set GR32:$dst, EFLAGS,
3208 (X86smul_flag GR32:$src1, GR32:$src2))]>, TB;
3211 // Register-Memory Signed Integer Multiply
3212 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
3213 (ins GR16:$src1, i16mem:$src2),
3214 "imul{w}\t{$src2, $dst|$dst, $src2}",
3215 [(set GR16:$dst, EFLAGS,
3216 (X86smul_flag GR16:$src1, (load addr:$src2)))]>,
3218 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst),
3219 (ins GR32:$src1, i32mem:$src2),
3220 "imul{l}\t{$src2, $dst|$dst, $src2}",
3221 [(set GR32:$dst, EFLAGS,
3222 (X86smul_flag GR32:$src1, (load addr:$src2)))]>, TB;
3223 } // Defs = [EFLAGS]
3224 } // end Two Address instructions
3226 // Suprisingly enough, these are not two address instructions!
3227 let Defs = [EFLAGS] in {
3228 // Register-Integer Signed Integer Multiply
3229 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
3230 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
3231 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3232 [(set GR16:$dst, EFLAGS,
3233 (X86smul_flag GR16:$src1, imm:$src2))]>, OpSize;
3234 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
3235 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
3236 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3237 [(set GR32:$dst, EFLAGS,
3238 (X86smul_flag GR32:$src1, imm:$src2))]>;
3239 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
3240 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
3241 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3242 [(set GR16:$dst, EFLAGS,
3243 (X86smul_flag GR16:$src1, i16immSExt8:$src2))]>,
3245 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
3246 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
3247 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3248 [(set GR32:$dst, EFLAGS,
3249 (X86smul_flag GR32:$src1, i32immSExt8:$src2))]>;
3251 // Memory-Integer Signed Integer Multiply
3252 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
3253 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
3254 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3255 [(set GR16:$dst, EFLAGS,
3256 (X86smul_flag (load addr:$src1), imm:$src2))]>,
3258 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
3259 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
3260 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3261 [(set GR32:$dst, EFLAGS,
3262 (X86smul_flag (load addr:$src1), imm:$src2))]>;
3263 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
3264 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
3265 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3266 [(set GR16:$dst, EFLAGS,
3267 (X86smul_flag (load addr:$src1),
3268 i16immSExt8:$src2))]>, OpSize;
3269 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
3270 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
3271 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
3272 [(set GR32:$dst, EFLAGS,
3273 (X86smul_flag (load addr:$src1),
3274 i32immSExt8:$src2))]>;
3275 } // Defs = [EFLAGS]
3277 //===----------------------------------------------------------------------===//
3278 // Test instructions are just like AND, except they don't generate a result.
3280 let Defs = [EFLAGS] in {
3281 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
3282 def TEST8rr : I<0x84, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
3283 "test{b}\t{$src2, $src1|$src1, $src2}",
3284 [(set EFLAGS, (X86cmp (and_su GR8:$src1, GR8:$src2), 0))]>;
3285 def TEST16rr : I<0x85, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
3286 "test{w}\t{$src2, $src1|$src1, $src2}",
3287 [(set EFLAGS, (X86cmp (and_su GR16:$src1, GR16:$src2),
3290 def TEST32rr : I<0x85, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
3291 "test{l}\t{$src2, $src1|$src1, $src2}",
3292 [(set EFLAGS, (X86cmp (and_su GR32:$src1, GR32:$src2),
3296 def TEST8i8 : Ii8<0xA8, RawFrm, (outs), (ins i8imm:$src),
3297 "test{b}\t{$src, %al|%al, $src}", []>;
3298 def TEST16i16 : Ii16<0xA9, RawFrm, (outs), (ins i16imm:$src),
3299 "test{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3300 def TEST32i32 : Ii32<0xA9, RawFrm, (outs), (ins i32imm:$src),
3301 "test{l}\t{$src, %eax|%eax, $src}", []>;
3303 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
3304 "test{b}\t{$src2, $src1|$src1, $src2}",
3305 [(set EFLAGS, (X86cmp (and GR8:$src1, (loadi8 addr:$src2)),
3307 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
3308 "test{w}\t{$src2, $src1|$src1, $src2}",
3309 [(set EFLAGS, (X86cmp (and GR16:$src1,
3310 (loadi16 addr:$src2)), 0))]>, OpSize;
3311 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
3312 "test{l}\t{$src2, $src1|$src1, $src2}",
3313 [(set EFLAGS, (X86cmp (and GR32:$src1,
3314 (loadi32 addr:$src2)), 0))]>;
3316 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
3317 (outs), (ins GR8:$src1, i8imm:$src2),
3318 "test{b}\t{$src2, $src1|$src1, $src2}",
3319 [(set EFLAGS, (X86cmp (and_su GR8:$src1, imm:$src2), 0))]>;
3320 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
3321 (outs), (ins GR16:$src1, i16imm:$src2),
3322 "test{w}\t{$src2, $src1|$src1, $src2}",
3323 [(set EFLAGS, (X86cmp (and_su GR16:$src1, imm:$src2), 0))]>,
3325 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
3326 (outs), (ins GR32:$src1, i32imm:$src2),
3327 "test{l}\t{$src2, $src1|$src1, $src2}",
3328 [(set EFLAGS, (X86cmp (and_su GR32:$src1, imm:$src2), 0))]>;
3330 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
3331 (outs), (ins i8mem:$src1, i8imm:$src2),
3332 "test{b}\t{$src2, $src1|$src1, $src2}",
3333 [(set EFLAGS, (X86cmp (and (loadi8 addr:$src1), imm:$src2),
3335 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
3336 (outs), (ins i16mem:$src1, i16imm:$src2),
3337 "test{w}\t{$src2, $src1|$src1, $src2}",
3338 [(set EFLAGS, (X86cmp (and (loadi16 addr:$src1), imm:$src2),
3340 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
3341 (outs), (ins i32mem:$src1, i32imm:$src2),
3342 "test{l}\t{$src2, $src1|$src1, $src2}",
3343 [(set EFLAGS, (X86cmp (and (loadi32 addr:$src1), imm:$src2),
3345 } // Defs = [EFLAGS]
3348 // Condition code ops, incl. set if equal/not equal/...
3349 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
3350 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
3351 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
3352 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
3354 let Uses = [EFLAGS] in {
3355 // Use sbb to materialize carry bit.
3356 let Defs = [EFLAGS], isCodeGenOnly = 1 in {
3357 // FIXME: These are pseudo ops that should be replaced with Pat<> patterns.
3358 // However, Pat<> can't replicate the destination reg into the inputs of the
3360 // FIXME: Change these to have encoding Pseudo when X86MCCodeEmitter replaces
3362 def SETB_C8r : I<0x18, MRMInitReg, (outs GR8:$dst), (ins), "",
3363 [(set GR8:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>;
3364 def SETB_C16r : I<0x19, MRMInitReg, (outs GR16:$dst), (ins), "",
3365 [(set GR16:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>,
3367 def SETB_C32r : I<0x19, MRMInitReg, (outs GR32:$dst), (ins), "",
3368 [(set GR32:$dst, (X86setcc_c X86_COND_B, EFLAGS))]>;
3371 def SETEr : I<0x94, MRM0r,
3372 (outs GR8 :$dst), (ins),
3374 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
3376 def SETEm : I<0x94, MRM0m,
3377 (outs), (ins i8mem:$dst),
3379 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
3382 def SETNEr : I<0x95, MRM0r,
3383 (outs GR8 :$dst), (ins),
3385 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
3387 def SETNEm : I<0x95, MRM0m,
3388 (outs), (ins i8mem:$dst),
3390 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
3393 def SETLr : I<0x9C, MRM0r,
3394 (outs GR8 :$dst), (ins),
3396 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
3397 TB; // GR8 = < signed
3398 def SETLm : I<0x9C, MRM0m,
3399 (outs), (ins i8mem:$dst),
3401 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
3402 TB; // [mem8] = < signed
3404 def SETGEr : I<0x9D, MRM0r,
3405 (outs GR8 :$dst), (ins),
3407 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
3408 TB; // GR8 = >= signed
3409 def SETGEm : I<0x9D, MRM0m,
3410 (outs), (ins i8mem:$dst),
3412 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
3413 TB; // [mem8] = >= signed
3415 def SETLEr : I<0x9E, MRM0r,
3416 (outs GR8 :$dst), (ins),
3418 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
3419 TB; // GR8 = <= signed
3420 def SETLEm : I<0x9E, MRM0m,
3421 (outs), (ins i8mem:$dst),
3423 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
3424 TB; // [mem8] = <= signed
3426 def SETGr : I<0x9F, MRM0r,
3427 (outs GR8 :$dst), (ins),
3429 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
3430 TB; // GR8 = > signed
3431 def SETGm : I<0x9F, MRM0m,
3432 (outs), (ins i8mem:$dst),
3434 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
3435 TB; // [mem8] = > signed
3437 def SETBr : I<0x92, MRM0r,
3438 (outs GR8 :$dst), (ins),
3440 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
3441 TB; // GR8 = < unsign
3442 def SETBm : I<0x92, MRM0m,
3443 (outs), (ins i8mem:$dst),
3445 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
3446 TB; // [mem8] = < unsign
3448 def SETAEr : I<0x93, MRM0r,
3449 (outs GR8 :$dst), (ins),
3451 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
3452 TB; // GR8 = >= unsign
3453 def SETAEm : I<0x93, MRM0m,
3454 (outs), (ins i8mem:$dst),
3456 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
3457 TB; // [mem8] = >= unsign
3459 def SETBEr : I<0x96, MRM0r,
3460 (outs GR8 :$dst), (ins),
3462 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
3463 TB; // GR8 = <= unsign
3464 def SETBEm : I<0x96, MRM0m,
3465 (outs), (ins i8mem:$dst),
3467 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
3468 TB; // [mem8] = <= unsign
3470 def SETAr : I<0x97, MRM0r,
3471 (outs GR8 :$dst), (ins),
3473 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
3474 TB; // GR8 = > signed
3475 def SETAm : I<0x97, MRM0m,
3476 (outs), (ins i8mem:$dst),
3478 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
3479 TB; // [mem8] = > signed
3481 def SETSr : I<0x98, MRM0r,
3482 (outs GR8 :$dst), (ins),
3484 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
3485 TB; // GR8 = <sign bit>
3486 def SETSm : I<0x98, MRM0m,
3487 (outs), (ins i8mem:$dst),
3489 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
3490 TB; // [mem8] = <sign bit>
3491 def SETNSr : I<0x99, MRM0r,
3492 (outs GR8 :$dst), (ins),
3494 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
3495 TB; // GR8 = !<sign bit>
3496 def SETNSm : I<0x99, MRM0m,
3497 (outs), (ins i8mem:$dst),
3499 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
3500 TB; // [mem8] = !<sign bit>
3502 def SETPr : I<0x9A, MRM0r,
3503 (outs GR8 :$dst), (ins),
3505 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
3507 def SETPm : I<0x9A, MRM0m,
3508 (outs), (ins i8mem:$dst),
3510 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
3511 TB; // [mem8] = parity
3512 def SETNPr : I<0x9B, MRM0r,
3513 (outs GR8 :$dst), (ins),
3515 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
3516 TB; // GR8 = not parity
3517 def SETNPm : I<0x9B, MRM0m,
3518 (outs), (ins i8mem:$dst),
3520 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
3521 TB; // [mem8] = not parity
3523 def SETOr : I<0x90, MRM0r,
3524 (outs GR8 :$dst), (ins),
3526 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
3527 TB; // GR8 = overflow
3528 def SETOm : I<0x90, MRM0m,
3529 (outs), (ins i8mem:$dst),
3531 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
3532 TB; // [mem8] = overflow
3533 def SETNOr : I<0x91, MRM0r,
3534 (outs GR8 :$dst), (ins),
3536 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
3537 TB; // GR8 = not overflow
3538 def SETNOm : I<0x91, MRM0m,
3539 (outs), (ins i8mem:$dst),
3541 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
3542 TB; // [mem8] = not overflow
3543 } // Uses = [EFLAGS]
3546 // Integer comparisons
3547 let Defs = [EFLAGS] in {
3548 def CMP8i8 : Ii8<0x3C, RawFrm, (outs), (ins i8imm:$src),
3549 "cmp{b}\t{$src, %al|%al, $src}", []>;
3550 def CMP16i16 : Ii16<0x3D, RawFrm, (outs), (ins i16imm:$src),
3551 "cmp{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3552 def CMP32i32 : Ii32<0x3D, RawFrm, (outs), (ins i32imm:$src),
3553 "cmp{l}\t{$src, %eax|%eax, $src}", []>;
3555 def CMP8rr : I<0x38, MRMDestReg,
3556 (outs), (ins GR8 :$src1, GR8 :$src2),
3557 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3558 [(set EFLAGS, (X86cmp GR8:$src1, GR8:$src2))]>;
3559 def CMP16rr : I<0x39, MRMDestReg,
3560 (outs), (ins GR16:$src1, GR16:$src2),
3561 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3562 [(set EFLAGS, (X86cmp GR16:$src1, GR16:$src2))]>, OpSize;
3563 def CMP32rr : I<0x39, MRMDestReg,
3564 (outs), (ins GR32:$src1, GR32:$src2),
3565 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3566 [(set EFLAGS, (X86cmp GR32:$src1, GR32:$src2))]>;
3567 def CMP8mr : I<0x38, MRMDestMem,
3568 (outs), (ins i8mem :$src1, GR8 :$src2),
3569 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3570 [(set EFLAGS, (X86cmp (loadi8 addr:$src1), GR8:$src2))]>;
3571 def CMP16mr : I<0x39, MRMDestMem,
3572 (outs), (ins i16mem:$src1, GR16:$src2),
3573 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3574 [(set EFLAGS, (X86cmp (loadi16 addr:$src1), GR16:$src2))]>,
3576 def CMP32mr : I<0x39, MRMDestMem,
3577 (outs), (ins i32mem:$src1, GR32:$src2),
3578 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3579 [(set EFLAGS, (X86cmp (loadi32 addr:$src1), GR32:$src2))]>;
3580 def CMP8rm : I<0x3A, MRMSrcMem,
3581 (outs), (ins GR8 :$src1, i8mem :$src2),
3582 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3583 [(set EFLAGS, (X86cmp GR8:$src1, (loadi8 addr:$src2)))]>;
3584 def CMP16rm : I<0x3B, MRMSrcMem,
3585 (outs), (ins GR16:$src1, i16mem:$src2),
3586 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3587 [(set EFLAGS, (X86cmp GR16:$src1, (loadi16 addr:$src2)))]>,
3589 def CMP32rm : I<0x3B, MRMSrcMem,
3590 (outs), (ins GR32:$src1, i32mem:$src2),
3591 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3592 [(set EFLAGS, (X86cmp GR32:$src1, (loadi32 addr:$src2)))]>;
3594 // These are alternate spellings for use by the disassembler, we mark them as
3595 // code gen only to ensure they aren't matched by the assembler.
3596 let isCodeGenOnly = 1 in {
3597 def CMP8rr_alt : I<0x3A, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
3598 "cmp{b}\t{$src2, $src1|$src1, $src2}", []>;
3599 def CMP16rr_alt : I<0x3B, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
3600 "cmp{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize;
3601 def CMP32rr_alt : I<0x3B, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
3602 "cmp{l}\t{$src2, $src1|$src1, $src2}", []>;
3605 def CMP8ri : Ii8<0x80, MRM7r,
3606 (outs), (ins GR8:$src1, i8imm:$src2),
3607 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3608 [(set EFLAGS, (X86cmp GR8:$src1, imm:$src2))]>;
3609 def CMP16ri : Ii16<0x81, MRM7r,
3610 (outs), (ins GR16:$src1, i16imm:$src2),
3611 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3612 [(set EFLAGS, (X86cmp GR16:$src1, imm:$src2))]>, OpSize;
3613 def CMP32ri : Ii32<0x81, MRM7r,
3614 (outs), (ins GR32:$src1, i32imm:$src2),
3615 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3616 [(set EFLAGS, (X86cmp GR32:$src1, imm:$src2))]>;
3617 def CMP8mi : Ii8 <0x80, MRM7m,
3618 (outs), (ins i8mem :$src1, i8imm :$src2),
3619 "cmp{b}\t{$src2, $src1|$src1, $src2}",
3620 [(set EFLAGS, (X86cmp (loadi8 addr:$src1), imm:$src2))]>;
3621 def CMP16mi : Ii16<0x81, MRM7m,
3622 (outs), (ins i16mem:$src1, i16imm:$src2),
3623 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3624 [(set EFLAGS, (X86cmp (loadi16 addr:$src1), imm:$src2))]>,
3626 def CMP32mi : Ii32<0x81, MRM7m,
3627 (outs), (ins i32mem:$src1, i32imm:$src2),
3628 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3629 [(set EFLAGS, (X86cmp (loadi32 addr:$src1), imm:$src2))]>;
3630 def CMP16ri8 : Ii8<0x83, MRM7r,
3631 (outs), (ins GR16:$src1, i16i8imm:$src2),
3632 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3633 [(set EFLAGS, (X86cmp GR16:$src1, i16immSExt8:$src2))]>,
3635 def CMP16mi8 : Ii8<0x83, MRM7m,
3636 (outs), (ins i16mem:$src1, i16i8imm:$src2),
3637 "cmp{w}\t{$src2, $src1|$src1, $src2}",
3638 [(set EFLAGS, (X86cmp (loadi16 addr:$src1),
3639 i16immSExt8:$src2))]>, OpSize;
3640 def CMP32mi8 : Ii8<0x83, MRM7m,
3641 (outs), (ins i32mem:$src1, i32i8imm:$src2),
3642 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3643 [(set EFLAGS, (X86cmp (loadi32 addr:$src1),
3644 i32immSExt8:$src2))]>;
3645 def CMP32ri8 : Ii8<0x83, MRM7r,
3646 (outs), (ins GR32:$src1, i32i8imm:$src2),
3647 "cmp{l}\t{$src2, $src1|$src1, $src2}",
3648 [(set EFLAGS, (X86cmp GR32:$src1, i32immSExt8:$src2))]>;
3649 } // Defs = [EFLAGS]
3652 // TODO: BTC, BTR, and BTS
3653 let Defs = [EFLAGS] in {
3654 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3655 "bt{w}\t{$src2, $src1|$src1, $src2}",
3656 [(set EFLAGS, (X86bt GR16:$src1, GR16:$src2))]>, OpSize, TB;
3657 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3658 "bt{l}\t{$src2, $src1|$src1, $src2}",
3659 [(set EFLAGS, (X86bt GR32:$src1, GR32:$src2))]>, TB;
3661 // Unlike with the register+register form, the memory+register form of the
3662 // bt instruction does not ignore the high bits of the index. From ISel's
3663 // perspective, this is pretty bizarre. Make these instructions disassembly
3666 def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3667 "bt{w}\t{$src2, $src1|$src1, $src2}",
3668 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
3669 // (implicit EFLAGS)]
3671 >, OpSize, TB, Requires<[FastBTMem]>;
3672 def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3673 "bt{l}\t{$src2, $src1|$src1, $src2}",
3674 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
3675 // (implicit EFLAGS)]
3677 >, TB, Requires<[FastBTMem]>;
3679 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3680 "bt{w}\t{$src2, $src1|$src1, $src2}",
3681 [(set EFLAGS, (X86bt GR16:$src1, i16immSExt8:$src2))]>,
3683 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3684 "bt{l}\t{$src2, $src1|$src1, $src2}",
3685 [(set EFLAGS, (X86bt GR32:$src1, i32immSExt8:$src2))]>, TB;
3686 // Note that these instructions don't need FastBTMem because that
3687 // only applies when the other operand is in a register. When it's
3688 // an immediate, bt is still fast.
3689 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3690 "bt{w}\t{$src2, $src1|$src1, $src2}",
3691 [(set EFLAGS, (X86bt (loadi16 addr:$src1), i16immSExt8:$src2))
3693 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3694 "bt{l}\t{$src2, $src1|$src1, $src2}",
3695 [(set EFLAGS, (X86bt (loadi32 addr:$src1), i32immSExt8:$src2))
3698 def BTC16rr : I<0xBB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3699 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3700 def BTC32rr : I<0xBB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3701 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3702 def BTC16mr : I<0xBB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3703 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3704 def BTC32mr : I<0xBB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3705 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3706 def BTC16ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3707 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3708 def BTC32ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3709 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3710 def BTC16mi8 : Ii8<0xBA, MRM7m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3711 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3712 def BTC32mi8 : Ii8<0xBA, MRM7m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3713 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3715 def BTR16rr : I<0xB3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3716 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3717 def BTR32rr : I<0xB3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3718 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3719 def BTR16mr : I<0xB3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3720 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3721 def BTR32mr : I<0xB3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3722 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3723 def BTR16ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3724 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3725 def BTR32ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3726 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3727 def BTR16mi8 : Ii8<0xBA, MRM6m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3728 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3729 def BTR32mi8 : Ii8<0xBA, MRM6m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3730 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3732 def BTS16rr : I<0xAB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
3733 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3734 def BTS32rr : I<0xAB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
3735 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3736 def BTS16mr : I<0xAB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
3737 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3738 def BTS32mr : I<0xAB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
3739 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3740 def BTS16ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR16:$src1, i16i8imm:$src2),
3741 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3742 def BTS32ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR32:$src1, i32i8imm:$src2),
3743 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3744 def BTS16mi8 : Ii8<0xBA, MRM5m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
3745 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
3746 def BTS32mi8 : Ii8<0xBA, MRM5m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
3747 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
3748 } // Defs = [EFLAGS]
3750 // Sign/Zero extenders
3751 // Use movsbl intead of movsbw; we don't care about the high 16 bits
3752 // of the register here. This has a smaller encoding and avoids a
3753 // partial-register update. Actual movsbw included for the disassembler.
3754 def MOVSX16rr8W : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src),
3755 "movs{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3756 def MOVSX16rm8W : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src),
3757 "movs{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3758 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3759 "", [(set GR16:$dst, (sext GR8:$src))]>, TB;
3760 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3761 "", [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
3762 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3763 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3764 [(set GR32:$dst, (sext GR8:$src))]>, TB;
3765 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3766 "movs{bl|x}\t{$src, $dst|$dst, $src}",
3767 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
3768 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3769 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3770 [(set GR32:$dst, (sext GR16:$src))]>, TB;
3771 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3772 "movs{wl|x}\t{$src, $dst|$dst, $src}",
3773 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
3775 // Use movzbl intead of movzbw; we don't care about the high 16 bits
3776 // of the register here. This has a smaller encoding and avoids a
3777 // partial-register update. Actual movzbw included for the disassembler.
3778 def MOVZX16rr8W : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src),
3779 "movz{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3780 def MOVZX16rm8W : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src),
3781 "movz{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3782 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
3783 "", [(set GR16:$dst, (zext GR8:$src))]>, TB;
3784 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
3785 "", [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
3786 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
3787 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3788 [(set GR32:$dst, (zext GR8:$src))]>, TB;
3789 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
3790 "movz{bl|x}\t{$src, $dst|$dst, $src}",
3791 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
3792 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
3793 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3794 [(set GR32:$dst, (zext GR16:$src))]>, TB;
3795 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
3796 "movz{wl|x}\t{$src, $dst|$dst, $src}",
3797 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
3799 // These are the same as the regular MOVZX32rr8 and MOVZX32rm8
3800 // except that they use GR32_NOREX for the output operand register class
3801 // instead of GR32. This allows them to operate on h registers on x86-64.
3802 def MOVZX32_NOREXrr8 : I<0xB6, MRMSrcReg,
3803 (outs GR32_NOREX:$dst), (ins GR8:$src),
3804 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3807 def MOVZX32_NOREXrm8 : I<0xB6, MRMSrcMem,
3808 (outs GR32_NOREX:$dst), (ins i8mem:$src),
3809 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
3812 let neverHasSideEffects = 1 in {
3813 let Defs = [AX], Uses = [AL] in
3814 def CBW : I<0x98, RawFrm, (outs), (ins),
3815 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
3816 let Defs = [EAX], Uses = [AX] in
3817 def CWDE : I<0x98, RawFrm, (outs), (ins),
3818 "{cwtl|cwde}", []>; // EAX = signext(AX)
3820 let Defs = [AX,DX], Uses = [AX] in
3821 def CWD : I<0x99, RawFrm, (outs), (ins),
3822 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
3823 let Defs = [EAX,EDX], Uses = [EAX] in
3824 def CDQ : I<0x99, RawFrm, (outs), (ins),
3825 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
3828 //===----------------------------------------------------------------------===//
3829 // Alias Instructions
3830 //===----------------------------------------------------------------------===//
3832 // Alias instructions that map movr0 to xor.
3833 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
3834 // FIXME: Set encoding to pseudo.
3835 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1,
3836 isCodeGenOnly = 1 in {
3837 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins), "",
3838 [(set GR8:$dst, 0)]>;
3840 // We want to rewrite MOV16r0 in terms of MOV32r0, because it's a smaller
3841 // encoding and avoids a partial-register update sometimes, but doing so
3842 // at isel time interferes with rematerialization in the current register
3843 // allocator. For now, this is rewritten when the instruction is lowered
3845 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
3847 [(set GR16:$dst, 0)]>, OpSize;
3849 // FIXME: Set encoding to pseudo.
3850 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins), "",
3851 [(set GR32:$dst, 0)]>;
3854 //===----------------------------------------------------------------------===//
3855 // Thread Local Storage Instructions
3859 // All calls clobber the non-callee saved registers. ESP is marked as
3860 // a use to prevent stack-pointer assignments that appear immediately
3861 // before calls from potentially appearing dead.
3862 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
3863 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
3864 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
3865 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
3867 def TLS_addr32 : I<0, Pseudo, (outs), (ins i32mem:$sym),
3868 "leal\t$sym, %eax; "
3869 "call\t___tls_get_addr@PLT",
3870 [(X86tlsaddr tls32addr:$sym)]>,
3871 Requires<[In32BitMode]>;
3873 // Darwin TLS Support
3874 // For i386, the address of the thunk is passed on the stack, on return the
3875 // address of the variable is in %eax. %ecx is trashed during the function
3876 // call. All other registers are preserved.
3877 let Defs = [EAX, ECX],
3879 usesCustomInserter = 1 in
3880 def TLSCall_32 : I<0, Pseudo, (outs), (ins i32mem:$sym),
3882 [(X86TLSCall addr:$sym)]>,
3883 Requires<[In32BitMode]>;
3885 //===----------------------------------------------------------------------===//
3886 // EH Pseudo Instructions
3888 let isTerminator = 1, isReturn = 1, isBarrier = 1,
3889 hasCtrlDep = 1, isCodeGenOnly = 1 in {
3890 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
3891 "ret\t#eh_return, addr: $addr",
3892 [(X86ehret GR32:$addr)]>;
3896 //===----------------------------------------------------------------------===//
3902 // TODO: Get this to fold the constant into the instruction.
3903 def OR32mrLocked : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$zero),
3905 "or{l}\t{$zero, $dst|$dst, $zero}",
3906 []>, Requires<[In32BitMode]>, LOCK;
3908 let hasSideEffects = 1 in {
3909 def Int_MemBarrier : I<0, Pseudo, (outs), (ins),
3911 [(X86MemBarrier)]>, Requires<[HasSSE2]>;
3914 // Atomic swap. These are just normal xchg instructions. But since a memory
3915 // operand is referenced, the atomicity is ensured.
3916 let Constraints = "$val = $dst" in {
3917 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst),
3918 (ins GR32:$val, i32mem:$ptr),
3919 "xchg{l}\t{$val, $ptr|$ptr, $val}",
3920 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
3921 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst),
3922 (ins GR16:$val, i16mem:$ptr),
3923 "xchg{w}\t{$val, $ptr|$ptr, $val}",
3924 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
3926 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr),
3927 "xchg{b}\t{$val, $ptr|$ptr, $val}",
3928 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
3930 def XCHG32rr : I<0x87, MRMSrcReg, (outs GR32:$dst), (ins GR32:$val, GR32:$src),
3931 "xchg{l}\t{$val, $src|$src, $val}", []>;
3932 def XCHG16rr : I<0x87, MRMSrcReg, (outs GR16:$dst), (ins GR16:$val, GR16:$src),
3933 "xchg{w}\t{$val, $src|$src, $val}", []>, OpSize;
3934 def XCHG8rr : I<0x86, MRMSrcReg, (outs GR8:$dst), (ins GR8:$val, GR8:$src),
3935 "xchg{b}\t{$val, $src|$src, $val}", []>;
3938 def XCHG16ar : I<0x90, AddRegFrm, (outs), (ins GR16:$src),
3939 "xchg{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
3940 def XCHG32ar : I<0x90, AddRegFrm, (outs), (ins GR32:$src),
3941 "xchg{l}\t{$src, %eax|%eax, $src}", []>;
3943 // Atomic compare and swap.
3944 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
3945 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
3947 "cmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
3948 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
3950 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
3951 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$ptr),
3954 [(X86cas8 addr:$ptr)]>, TB, LOCK;
3957 let Defs = [AX, EFLAGS], Uses = [AX] in {
3958 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
3960 "cmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
3961 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
3963 let Defs = [AL, EFLAGS], Uses = [AL] in {
3964 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
3966 "cmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
3967 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
3970 // Atomic exchange and add
3971 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
3972 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins GR32:$val, i32mem:$ptr),
3974 "xadd{l}\t{$val, $ptr|$ptr, $val}",
3975 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
3977 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins GR16:$val, i16mem:$ptr),
3979 "xadd{w}\t{$val, $ptr|$ptr, $val}",
3980 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
3982 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr),
3984 "xadd{b}\t{$val, $ptr|$ptr, $val}",
3985 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
3989 def XADD8rr : I<0xC0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
3990 "xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
3991 def XADD16rr : I<0xC1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
3992 "xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
3993 def XADD32rr : I<0xC1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
3994 "xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
3996 let mayLoad = 1, mayStore = 1 in {
3997 def XADD8rm : I<0xC0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
3998 "xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
3999 def XADD16rm : I<0xC1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
4000 "xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4001 def XADD32rm : I<0xC1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
4002 "xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
4005 def CMPXCHG8rr : I<0xB0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
4006 "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
4007 def CMPXCHG16rr : I<0xB1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
4008 "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4009 def CMPXCHG32rr : I<0xB1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
4010 "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
4012 let mayLoad = 1, mayStore = 1 in {
4013 def CMPXCHG8rm : I<0xB0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
4014 "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
4015 def CMPXCHG16rm : I<0xB1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
4016 "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4017 def CMPXCHG32rm : I<0xB1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
4018 "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
4021 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in
4022 def CMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$dst),
4023 "cmpxchg8b\t$dst", []>, TB;
4025 // Optimized codegen when the non-memory output is not used.
4026 // FIXME: Use normal add / sub instructions and add lock prefix dynamically.
4027 let Defs = [EFLAGS], mayLoad = 1, mayStore = 1 in {
4028 def LOCK_ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
4030 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4031 def LOCK_ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
4033 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4034 def LOCK_ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
4036 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4037 def LOCK_ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
4039 "add{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4040 def LOCK_ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
4042 "add{w}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4043 def LOCK_ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
4045 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4046 def LOCK_ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
4048 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4049 def LOCK_ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
4051 "add{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4053 def LOCK_INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst),
4055 "inc{b}\t$dst", []>, LOCK;
4056 def LOCK_INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst),
4058 "inc{w}\t$dst", []>, OpSize, LOCK;
4059 def LOCK_INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst),
4061 "inc{l}\t$dst", []>, LOCK;
4063 def LOCK_SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
4065 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4066 def LOCK_SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
4068 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4069 def LOCK_SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
4071 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4072 def LOCK_SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
4074 "sub{b}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4075 def LOCK_SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
4077 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4078 def LOCK_SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
4080 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4081 def LOCK_SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
4083 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize, LOCK;
4084 def LOCK_SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
4086 "sub{l}\t{$src2, $dst|$dst, $src2}", []>, LOCK;
4088 def LOCK_DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst),
4090 "dec{b}\t$dst", []>, LOCK;
4091 def LOCK_DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst),
4093 "dec{w}\t$dst", []>, OpSize, LOCK;
4094 def LOCK_DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst),
4096 "dec{l}\t$dst", []>, LOCK;
4099 // Atomic exchange, and, or, xor
4100 let Constraints = "$val = $dst", Defs = [EFLAGS],
4101 usesCustomInserter = 1 in {
4102 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4103 "#ATOMAND32 PSEUDO!",
4104 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
4105 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4106 "#ATOMOR32 PSEUDO!",
4107 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
4108 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4109 "#ATOMXOR32 PSEUDO!",
4110 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
4111 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4112 "#ATOMNAND32 PSEUDO!",
4113 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
4114 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
4115 "#ATOMMIN32 PSEUDO!",
4116 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
4117 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4118 "#ATOMMAX32 PSEUDO!",
4119 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
4120 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4121 "#ATOMUMIN32 PSEUDO!",
4122 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
4123 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
4124 "#ATOMUMAX32 PSEUDO!",
4125 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
4127 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4128 "#ATOMAND16 PSEUDO!",
4129 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
4130 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4131 "#ATOMOR16 PSEUDO!",
4132 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
4133 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4134 "#ATOMXOR16 PSEUDO!",
4135 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
4136 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4137 "#ATOMNAND16 PSEUDO!",
4138 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
4139 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
4140 "#ATOMMIN16 PSEUDO!",
4141 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
4142 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4143 "#ATOMMAX16 PSEUDO!",
4144 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
4145 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4146 "#ATOMUMIN16 PSEUDO!",
4147 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
4148 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
4149 "#ATOMUMAX16 PSEUDO!",
4150 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
4152 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4153 "#ATOMAND8 PSEUDO!",
4154 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
4155 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4157 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
4158 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4159 "#ATOMXOR8 PSEUDO!",
4160 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
4161 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
4162 "#ATOMNAND8 PSEUDO!",
4163 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
4166 let Constraints = "$val1 = $dst1, $val2 = $dst2",
4167 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
4168 Uses = [EAX, EBX, ECX, EDX],
4169 mayLoad = 1, mayStore = 1,
4170 usesCustomInserter = 1 in {
4171 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4172 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4173 "#ATOMAND6432 PSEUDO!", []>;
4174 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4175 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4176 "#ATOMOR6432 PSEUDO!", []>;
4177 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4178 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4179 "#ATOMXOR6432 PSEUDO!", []>;
4180 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4181 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4182 "#ATOMNAND6432 PSEUDO!", []>;
4183 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4184 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4185 "#ATOMADD6432 PSEUDO!", []>;
4186 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4187 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4188 "#ATOMSUB6432 PSEUDO!", []>;
4189 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
4190 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
4191 "#ATOMSWAP6432 PSEUDO!", []>;
4194 // Segmentation support instructions.
4196 def LAR16rm : I<0x02, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
4197 "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4198 def LAR16rr : I<0x02, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
4199 "lar{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4201 // i16mem operand in LAR32rm and GR32 operand in LAR32rr is not a typo.
4202 def LAR32rm : I<0x02, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
4203 "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
4204 def LAR32rr : I<0x02, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4205 "lar{l}\t{$src, $dst|$dst, $src}", []>, TB;
4207 def LSL16rm : I<0x03, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
4208 "lsl{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4209 def LSL16rr : I<0x03, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
4210 "lsl{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4211 def LSL32rm : I<0x03, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
4212 "lsl{l}\t{$src, $dst|$dst, $src}", []>, TB;
4213 def LSL32rr : I<0x03, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4214 "lsl{l}\t{$src, $dst|$dst, $src}", []>, TB;
4216 def INVLPG : I<0x01, MRM7m, (outs), (ins i8mem:$addr), "invlpg\t$addr", []>, TB;
4218 def STRr : I<0x00, MRM1r, (outs GR16:$dst), (ins),
4219 "str{w}\t{$dst}", []>, TB;
4220 def STRm : I<0x00, MRM1m, (outs i16mem:$dst), (ins),
4221 "str{w}\t{$dst}", []>, TB;
4222 def LTRr : I<0x00, MRM3r, (outs), (ins GR16:$src),
4223 "ltr{w}\t{$src}", []>, TB;
4224 def LTRm : I<0x00, MRM3m, (outs), (ins i16mem:$src),
4225 "ltr{w}\t{$src}", []>, TB;
4227 def PUSHCS16 : I<0x0E, RawFrm, (outs), (ins),
4228 "push{w}\t%cs", []>, Requires<[In32BitMode]>, OpSize;
4229 def PUSHCS32 : I<0x0E, RawFrm, (outs), (ins),
4230 "push{l}\t%cs", []>, Requires<[In32BitMode]>;
4231 def PUSHSS16 : I<0x16, RawFrm, (outs), (ins),
4232 "push{w}\t%ss", []>, Requires<[In32BitMode]>, OpSize;
4233 def PUSHSS32 : I<0x16, RawFrm, (outs), (ins),
4234 "push{l}\t%ss", []>, Requires<[In32BitMode]>;
4235 def PUSHDS16 : I<0x1E, RawFrm, (outs), (ins),
4236 "push{w}\t%ds", []>, Requires<[In32BitMode]>, OpSize;
4237 def PUSHDS32 : I<0x1E, RawFrm, (outs), (ins),
4238 "push{l}\t%ds", []>, Requires<[In32BitMode]>;
4239 def PUSHES16 : I<0x06, RawFrm, (outs), (ins),
4240 "push{w}\t%es", []>, Requires<[In32BitMode]>, OpSize;
4241 def PUSHES32 : I<0x06, RawFrm, (outs), (ins),
4242 "push{l}\t%es", []>, Requires<[In32BitMode]>;
4244 def PUSHFS16 : I<0xa0, RawFrm, (outs), (ins),
4245 "push{w}\t%fs", []>, OpSize, TB;
4246 def PUSHFS32 : I<0xa0, RawFrm, (outs), (ins),
4247 "push{l}\t%fs", []>, TB, Requires<[In32BitMode]>;
4248 def PUSHGS16 : I<0xa8, RawFrm, (outs), (ins),
4249 "push{w}\t%gs", []>, OpSize, TB;
4250 def PUSHGS32 : I<0xa8, RawFrm, (outs), (ins),
4251 "push{l}\t%gs", []>, TB, Requires<[In32BitMode]>;
4253 // No "pop cs" instruction.
4254 def POPSS16 : I<0x17, RawFrm, (outs), (ins),
4255 "pop{w}\t%ss", []>, OpSize, Requires<[In32BitMode]>;
4256 def POPSS32 : I<0x17, RawFrm, (outs), (ins),
4257 "pop{l}\t%ss", []> , Requires<[In32BitMode]>;
4258 def POPDS16 : I<0x1F, RawFrm, (outs), (ins),
4259 "pop{w}\t%ds", []>, OpSize, Requires<[In32BitMode]>;
4260 def POPDS32 : I<0x1F, RawFrm, (outs), (ins),
4261 "pop{l}\t%ds", []> , Requires<[In32BitMode]>;
4262 def POPES16 : I<0x07, RawFrm, (outs), (ins),
4263 "pop{w}\t%es", []>, OpSize, Requires<[In32BitMode]>;
4264 def POPES32 : I<0x07, RawFrm, (outs), (ins),
4265 "pop{l}\t%es", []> , Requires<[In32BitMode]>;
4266 def POPFS16 : I<0xa1, RawFrm, (outs), (ins),
4267 "pop{w}\t%fs", []>, OpSize, TB;
4268 def POPFS32 : I<0xa1, RawFrm, (outs), (ins),
4269 "pop{l}\t%fs", []>, TB , Requires<[In32BitMode]>;
4270 def POPGS16 : I<0xa9, RawFrm, (outs), (ins),
4271 "pop{w}\t%gs", []>, OpSize, TB;
4272 def POPGS32 : I<0xa9, RawFrm, (outs), (ins),
4273 "pop{l}\t%gs", []>, TB , Requires<[In32BitMode]>;
4275 def LDS16rm : I<0xc5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4276 "lds{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
4277 def LDS32rm : I<0xc5, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4278 "lds{l}\t{$src, $dst|$dst, $src}", []>;
4279 def LSS16rm : I<0xb2, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4280 "lss{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4281 def LSS32rm : I<0xb2, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4282 "lss{l}\t{$src, $dst|$dst, $src}", []>, TB;
4283 def LES16rm : I<0xc4, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4284 "les{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
4285 def LES32rm : I<0xc4, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4286 "les{l}\t{$src, $dst|$dst, $src}", []>;
4287 def LFS16rm : I<0xb4, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4288 "lfs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4289 def LFS32rm : I<0xb4, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4290 "lfs{l}\t{$src, $dst|$dst, $src}", []>, TB;
4291 def LGS16rm : I<0xb5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
4292 "lgs{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
4293 def LGS32rm : I<0xb5, MRMSrcMem, (outs GR32:$dst), (ins opaque48mem:$src),
4294 "lgs{l}\t{$src, $dst|$dst, $src}", []>, TB;
4296 def VERRr : I<0x00, MRM4r, (outs), (ins GR16:$seg),
4297 "verr\t$seg", []>, TB;
4298 def VERRm : I<0x00, MRM4m, (outs), (ins i16mem:$seg),
4299 "verr\t$seg", []>, TB;
4300 def VERWr : I<0x00, MRM5r, (outs), (ins GR16:$seg),
4301 "verw\t$seg", []>, TB;
4302 def VERWm : I<0x00, MRM5m, (outs), (ins i16mem:$seg),
4303 "verw\t$seg", []>, TB;
4305 // Descriptor-table support instructions
4307 def SGDTm : I<0x01, MRM0m, (outs opaque48mem:$dst), (ins),
4308 "sgdt\t$dst", []>, TB;
4309 def SIDTm : I<0x01, MRM1m, (outs opaque48mem:$dst), (ins),
4310 "sidt\t$dst", []>, TB;
4311 def SLDT16r : I<0x00, MRM0r, (outs GR16:$dst), (ins),
4312 "sldt{w}\t$dst", []>, TB, OpSize;
4313 def SLDT16m : I<0x00, MRM0m, (outs i16mem:$dst), (ins),
4314 "sldt{w}\t$dst", []>, TB;
4315 def SLDT32r : I<0x00, MRM0r, (outs GR32:$dst), (ins),
4316 "sldt{l}\t$dst", []>, TB;
4317 def LGDTm : I<0x01, MRM2m, (outs), (ins opaque48mem:$src),
4318 "lgdt\t$src", []>, TB;
4319 def LIDTm : I<0x01, MRM3m, (outs), (ins opaque48mem:$src),
4320 "lidt\t$src", []>, TB;
4321 def LLDT16r : I<0x00, MRM2r, (outs), (ins GR16:$src),
4322 "lldt{w}\t$src", []>, TB;
4323 def LLDT16m : I<0x00, MRM2m, (outs), (ins i16mem:$src),
4324 "lldt{w}\t$src", []>, TB;
4326 // Lock instruction prefix
4327 def LOCK_PREFIX : I<0xF0, RawFrm, (outs), (ins), "lock", []>;
4329 // Repeat string operation instruction prefixes
4330 // These uses the DF flag in the EFLAGS register to inc or dec ECX
4331 let Defs = [ECX], Uses = [ECX,EFLAGS] in {
4332 // Repeat (used with INS, OUTS, MOVS, LODS and STOS)
4333 def REP_PREFIX : I<0xF3, RawFrm, (outs), (ins), "rep", []>;
4334 // Repeat while not equal (used with CMPS and SCAS)
4335 def REPNE_PREFIX : I<0xF2, RawFrm, (outs), (ins), "repne", []>;
4338 // Segment override instruction prefixes
4339 def CS_PREFIX : I<0x2E, RawFrm, (outs), (ins), "cs", []>;
4340 def SS_PREFIX : I<0x36, RawFrm, (outs), (ins), "ss", []>;
4341 def DS_PREFIX : I<0x3E, RawFrm, (outs), (ins), "ds", []>;
4342 def ES_PREFIX : I<0x26, RawFrm, (outs), (ins), "es", []>;
4343 def FS_PREFIX : I<0x64, RawFrm, (outs), (ins), "fs", []>;
4344 def GS_PREFIX : I<0x65, RawFrm, (outs), (ins), "gs", []>;
4346 // String manipulation instructions
4348 def LODSB : I<0xAC, RawFrm, (outs), (ins), "lodsb", []>;
4349 def LODSW : I<0xAD, RawFrm, (outs), (ins), "lodsw", []>, OpSize;
4350 def LODSD : I<0xAD, RawFrm, (outs), (ins), "lods{l|d}", []>;
4352 def OUTSB : I<0x6E, RawFrm, (outs), (ins), "outsb", []>;
4353 def OUTSW : I<0x6F, RawFrm, (outs), (ins), "outsw", []>, OpSize;
4354 def OUTSD : I<0x6F, RawFrm, (outs), (ins), "outs{l|d}", []>;
4356 // CPU flow control instructions
4358 def HLT : I<0xF4, RawFrm, (outs), (ins), "hlt", []>;
4359 def RSM : I<0xAA, RawFrm, (outs), (ins), "rsm", []>, TB;
4361 // FPU control instructions
4363 def FNINIT : I<0xE3, RawFrm, (outs), (ins), "fninit", []>, DB;
4365 // Flag instructions
4367 def CLC : I<0xF8, RawFrm, (outs), (ins), "clc", []>;
4368 def STC : I<0xF9, RawFrm, (outs), (ins), "stc", []>;
4369 def CLI : I<0xFA, RawFrm, (outs), (ins), "cli", []>;
4370 def STI : I<0xFB, RawFrm, (outs), (ins), "sti", []>;
4371 def CLD : I<0xFC, RawFrm, (outs), (ins), "cld", []>;
4372 def STD : I<0xFD, RawFrm, (outs), (ins), "std", []>;
4373 def CMC : I<0xF5, RawFrm, (outs), (ins), "cmc", []>;
4375 def CLTS : I<0x06, RawFrm, (outs), (ins), "clts", []>, TB;
4377 // Table lookup instructions
4379 def XLAT : I<0xD7, RawFrm, (outs), (ins), "xlatb", []>;
4381 // Specialized register support
4383 def WRMSR : I<0x30, RawFrm, (outs), (ins), "wrmsr", []>, TB;
4384 def RDMSR : I<0x32, RawFrm, (outs), (ins), "rdmsr", []>, TB;
4385 def RDPMC : I<0x33, RawFrm, (outs), (ins), "rdpmc", []>, TB;
4387 def SMSW16r : I<0x01, MRM4r, (outs GR16:$dst), (ins),
4388 "smsw{w}\t$dst", []>, OpSize, TB;
4389 def SMSW32r : I<0x01, MRM4r, (outs GR32:$dst), (ins),
4390 "smsw{l}\t$dst", []>, TB;
4391 // For memory operands, there is only a 16-bit form
4392 def SMSW16m : I<0x01, MRM4m, (outs i16mem:$dst), (ins),
4393 "smsw{w}\t$dst", []>, TB;
4395 def LMSW16r : I<0x01, MRM6r, (outs), (ins GR16:$src),
4396 "lmsw{w}\t$src", []>, TB;
4397 def LMSW16m : I<0x01, MRM6m, (outs), (ins i16mem:$src),
4398 "lmsw{w}\t$src", []>, TB;
4400 def CPUID : I<0xA2, RawFrm, (outs), (ins), "cpuid", []>, TB;
4402 // Cache instructions
4404 def INVD : I<0x08, RawFrm, (outs), (ins), "invd", []>, TB;
4405 def WBINVD : I<0x09, RawFrm, (outs), (ins), "wbinvd", []>, TB;
4410 def INVEPT : I<0x80, RawFrm, (outs), (ins), "invept", []>, OpSize, T8;
4412 def INVVPID : I<0x81, RawFrm, (outs), (ins), "invvpid", []>, OpSize, T8;
4414 def VMCALL : I<0x01, MRM_C1, (outs), (ins), "vmcall", []>, TB;
4415 def VMCLEARm : I<0xC7, MRM6m, (outs), (ins i64mem:$vmcs),
4416 "vmclear\t$vmcs", []>, OpSize, TB;
4418 def VMLAUNCH : I<0x01, MRM_C2, (outs), (ins), "vmlaunch", []>, TB;
4420 def VMRESUME : I<0x01, MRM_C3, (outs), (ins), "vmresume", []>, TB;
4421 def VMPTRLDm : I<0xC7, MRM6m, (outs), (ins i64mem:$vmcs),
4422 "vmptrld\t$vmcs", []>, TB;
4423 def VMPTRSTm : I<0xC7, MRM7m, (outs i64mem:$vmcs), (ins),
4424 "vmptrst\t$vmcs", []>, TB;
4425 def VMREAD64rm : I<0x78, MRMDestMem, (outs i64mem:$dst), (ins GR64:$src),
4426 "vmread{q}\t{$src, $dst|$dst, $src}", []>, TB;
4427 def VMREAD64rr : I<0x78, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
4428 "vmread{q}\t{$src, $dst|$dst, $src}", []>, TB;
4429 def VMREAD32rm : I<0x78, MRMDestMem, (outs i32mem:$dst), (ins GR32:$src),
4430 "vmread{l}\t{$src, $dst|$dst, $src}", []>, TB;
4431 def VMREAD32rr : I<0x78, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
4432 "vmread{l}\t{$src, $dst|$dst, $src}", []>, TB;
4433 def VMWRITE64rm : I<0x79, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
4434 "vmwrite{q}\t{$src, $dst|$dst, $src}", []>, TB;
4435 def VMWRITE64rr : I<0x79, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src),
4436 "vmwrite{q}\t{$src, $dst|$dst, $src}", []>, TB;
4437 def VMWRITE32rm : I<0x79, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
4438 "vmwrite{l}\t{$src, $dst|$dst, $src}", []>, TB;
4439 def VMWRITE32rr : I<0x79, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
4440 "vmwrite{l}\t{$src, $dst|$dst, $src}", []>, TB;
4442 def VMXOFF : I<0x01, MRM_C4, (outs), (ins), "vmxoff", []>, TB;
4443 def VMXON : I<0xC7, MRM6m, (outs), (ins i64mem:$vmxon),
4444 "vmxon\t{$vmxon}", []>, XS;
4446 //===----------------------------------------------------------------------===//
4447 // Non-Instruction Patterns
4448 //===----------------------------------------------------------------------===//
4450 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
4451 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
4452 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
4453 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
4454 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
4455 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
4456 def : Pat<(i32 (X86Wrapper tblockaddress:$dst)), (MOV32ri tblockaddress:$dst)>;
4458 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
4459 (ADD32ri GR32:$src1, tconstpool:$src2)>;
4460 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
4461 (ADD32ri GR32:$src1, tjumptable:$src2)>;
4462 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
4463 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
4464 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
4465 (ADD32ri GR32:$src1, texternalsym:$src2)>;
4466 def : Pat<(add GR32:$src1, (X86Wrapper tblockaddress:$src2)),
4467 (ADD32ri GR32:$src1, tblockaddress:$src2)>;
4469 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
4470 (MOV32mi addr:$dst, tglobaladdr:$src)>;
4471 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
4472 (MOV32mi addr:$dst, texternalsym:$src)>;
4473 def : Pat<(store (i32 (X86Wrapper tblockaddress:$src)), addr:$dst),
4474 (MOV32mi addr:$dst, tblockaddress:$src)>;
4478 def : Pat<(X86tcret GR32_TC:$dst, imm:$off),
4479 (TCRETURNri GR32_TC:$dst, imm:$off)>,
4480 Requires<[In32BitMode]>;
4482 // FIXME: This is disabled for 32-bit PIC mode because the global base
4483 // register which is part of the address mode may be assigned a
4484 // callee-saved register.
4485 def : Pat<(X86tcret (load addr:$dst), imm:$off),
4486 (TCRETURNmi addr:$dst, imm:$off)>,
4487 Requires<[In32BitMode, IsNotPIC]>;
4489 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
4490 (TCRETURNdi texternalsym:$dst, imm:$off)>,
4491 Requires<[In32BitMode]>;
4493 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
4494 (TCRETURNdi texternalsym:$dst, imm:$off)>,
4495 Requires<[In32BitMode]>;
4497 // Normal calls, with various flavors of addresses.
4498 def : Pat<(X86call (i32 tglobaladdr:$dst)),
4499 (CALLpcrel32 tglobaladdr:$dst)>;
4500 def : Pat<(X86call (i32 texternalsym:$dst)),
4501 (CALLpcrel32 texternalsym:$dst)>;
4502 def : Pat<(X86call (i32 imm:$dst)),
4503 (CALLpcrel32 imm:$dst)>, Requires<[CallImmAddr]>;
4505 // X86 specific add which produces a flag.
4506 def : Pat<(addc GR32:$src1, GR32:$src2),
4507 (ADD32rr GR32:$src1, GR32:$src2)>;
4508 def : Pat<(addc GR32:$src1, (load addr:$src2)),
4509 (ADD32rm GR32:$src1, addr:$src2)>;
4510 def : Pat<(addc GR32:$src1, imm:$src2),
4511 (ADD32ri GR32:$src1, imm:$src2)>;
4512 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
4513 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4515 def : Pat<(subc GR32:$src1, GR32:$src2),
4516 (SUB32rr GR32:$src1, GR32:$src2)>;
4517 def : Pat<(subc GR32:$src1, (load addr:$src2)),
4518 (SUB32rm GR32:$src1, addr:$src2)>;
4519 def : Pat<(subc GR32:$src1, imm:$src2),
4520 (SUB32ri GR32:$src1, imm:$src2)>;
4521 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
4522 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4526 // TEST R,R is smaller than CMP R,0
4527 def : Pat<(X86cmp GR8:$src1, 0),
4528 (TEST8rr GR8:$src1, GR8:$src1)>;
4529 def : Pat<(X86cmp GR16:$src1, 0),
4530 (TEST16rr GR16:$src1, GR16:$src1)>;
4531 def : Pat<(X86cmp GR32:$src1, 0),
4532 (TEST32rr GR32:$src1, GR32:$src1)>;
4534 // Conditional moves with folded loads with operands swapped and conditions
4536 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_B, EFLAGS),
4537 (CMOVAE16rm GR16:$src2, addr:$src1)>;
4538 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_B, EFLAGS),
4539 (CMOVAE32rm GR32:$src2, addr:$src1)>;
4540 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_AE, EFLAGS),
4541 (CMOVB16rm GR16:$src2, addr:$src1)>;
4542 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_AE, EFLAGS),
4543 (CMOVB32rm GR32:$src2, addr:$src1)>;
4544 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_E, EFLAGS),
4545 (CMOVNE16rm GR16:$src2, addr:$src1)>;
4546 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_E, EFLAGS),
4547 (CMOVNE32rm GR32:$src2, addr:$src1)>;
4548 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NE, EFLAGS),
4549 (CMOVE16rm GR16:$src2, addr:$src1)>;
4550 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NE, EFLAGS),
4551 (CMOVE32rm GR32:$src2, addr:$src1)>;
4552 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_BE, EFLAGS),
4553 (CMOVA16rm GR16:$src2, addr:$src1)>;
4554 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_BE, EFLAGS),
4555 (CMOVA32rm GR32:$src2, addr:$src1)>;
4556 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_A, EFLAGS),
4557 (CMOVBE16rm GR16:$src2, addr:$src1)>;
4558 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_A, EFLAGS),
4559 (CMOVBE32rm GR32:$src2, addr:$src1)>;
4560 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_L, EFLAGS),
4561 (CMOVGE16rm GR16:$src2, addr:$src1)>;
4562 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_L, EFLAGS),
4563 (CMOVGE32rm GR32:$src2, addr:$src1)>;
4564 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_GE, EFLAGS),
4565 (CMOVL16rm GR16:$src2, addr:$src1)>;
4566 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_GE, EFLAGS),
4567 (CMOVL32rm GR32:$src2, addr:$src1)>;
4568 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_LE, EFLAGS),
4569 (CMOVG16rm GR16:$src2, addr:$src1)>;
4570 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_LE, EFLAGS),
4571 (CMOVG32rm GR32:$src2, addr:$src1)>;
4572 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_G, EFLAGS),
4573 (CMOVLE16rm GR16:$src2, addr:$src1)>;
4574 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_G, EFLAGS),
4575 (CMOVLE32rm GR32:$src2, addr:$src1)>;
4576 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_P, EFLAGS),
4577 (CMOVNP16rm GR16:$src2, addr:$src1)>;
4578 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_P, EFLAGS),
4579 (CMOVNP32rm GR32:$src2, addr:$src1)>;
4580 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NP, EFLAGS),
4581 (CMOVP16rm GR16:$src2, addr:$src1)>;
4582 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NP, EFLAGS),
4583 (CMOVP32rm GR32:$src2, addr:$src1)>;
4584 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_S, EFLAGS),
4585 (CMOVNS16rm GR16:$src2, addr:$src1)>;
4586 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_S, EFLAGS),
4587 (CMOVNS32rm GR32:$src2, addr:$src1)>;
4588 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NS, EFLAGS),
4589 (CMOVS16rm GR16:$src2, addr:$src1)>;
4590 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NS, EFLAGS),
4591 (CMOVS32rm GR32:$src2, addr:$src1)>;
4592 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_O, EFLAGS),
4593 (CMOVNO16rm GR16:$src2, addr:$src1)>;
4594 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_O, EFLAGS),
4595 (CMOVNO32rm GR32:$src2, addr:$src1)>;
4596 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NO, EFLAGS),
4597 (CMOVO16rm GR16:$src2, addr:$src1)>;
4598 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NO, EFLAGS),
4599 (CMOVO32rm GR32:$src2, addr:$src1)>;
4601 // zextload bool -> zextload byte
4602 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
4603 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
4604 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
4606 // extload bool -> extload byte
4607 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
4608 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
4609 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
4610 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>;
4611 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
4612 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
4614 // anyext. Define these to do an explicit zero-extend to
4615 // avoid partial-register updates.
4616 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>;
4617 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>;
4619 // Except for i16 -> i32 since isel expect i16 ops to be promoted to i32.
4620 def : Pat<(i32 (anyext GR16:$src)),
4621 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR16:$src, sub_16bit)>;
4624 //===----------------------------------------------------------------------===//
4626 //===----------------------------------------------------------------------===//
4628 // Odd encoding trick: -128 fits into an 8-bit immediate field while
4629 // +128 doesn't, so in this special case use a sub instead of an add.
4630 def : Pat<(add GR16:$src1, 128),
4631 (SUB16ri8 GR16:$src1, -128)>;
4632 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
4633 (SUB16mi8 addr:$dst, -128)>;
4634 def : Pat<(add GR32:$src1, 128),
4635 (SUB32ri8 GR32:$src1, -128)>;
4636 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
4637 (SUB32mi8 addr:$dst, -128)>;
4639 // r & (2^16-1) ==> movz
4640 def : Pat<(and GR32:$src1, 0xffff),
4641 (MOVZX32rr16 (EXTRACT_SUBREG GR32:$src1, sub_16bit))>;
4642 // r & (2^8-1) ==> movz
4643 def : Pat<(and GR32:$src1, 0xff),
4644 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src1,
4647 Requires<[In32BitMode]>;
4648 // r & (2^8-1) ==> movz
4649 def : Pat<(and GR16:$src1, 0xff),
4650 (MOVZX16rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src1,
4653 Requires<[In32BitMode]>;
4655 // sext_inreg patterns
4656 def : Pat<(sext_inreg GR32:$src, i16),
4657 (MOVSX32rr16 (EXTRACT_SUBREG GR32:$src, sub_16bit))>;
4658 def : Pat<(sext_inreg GR32:$src, i8),
4659 (MOVSX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4662 Requires<[In32BitMode]>;
4663 def : Pat<(sext_inreg GR16:$src, i8),
4664 (MOVSX16rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4667 Requires<[In32BitMode]>;
4670 def : Pat<(i16 (trunc GR32:$src)),
4671 (EXTRACT_SUBREG GR32:$src, sub_16bit)>;
4672 def : Pat<(i8 (trunc GR32:$src)),
4673 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src, GR32_ABCD)),
4675 Requires<[In32BitMode]>;
4676 def : Pat<(i8 (trunc GR16:$src)),
4677 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4679 Requires<[In32BitMode]>;
4681 // h-register tricks
4682 def : Pat<(i8 (trunc (srl_su GR16:$src, (i8 8)))),
4683 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4685 Requires<[In32BitMode]>;
4686 def : Pat<(i8 (trunc (srl_su GR32:$src, (i8 8)))),
4687 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src, GR32_ABCD)),
4689 Requires<[In32BitMode]>;
4690 def : Pat<(srl GR16:$src, (i8 8)),
4693 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src, GR16_ABCD)),
4696 Requires<[In32BitMode]>;
4697 def : Pat<(i32 (zext (srl_su GR16:$src, (i8 8)))),
4698 (MOVZX32rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4701 Requires<[In32BitMode]>;
4702 def : Pat<(i32 (anyext (srl_su GR16:$src, (i8 8)))),
4703 (MOVZX32rr8 (EXTRACT_SUBREG (i16 (COPY_TO_REGCLASS GR16:$src,
4706 Requires<[In32BitMode]>;
4707 def : Pat<(and (srl_su GR32:$src, (i8 8)), (i32 255)),
4708 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4711 Requires<[In32BitMode]>;
4712 def : Pat<(srl (and_su GR32:$src, 0xff00), (i8 8)),
4713 (MOVZX32rr8 (EXTRACT_SUBREG (i32 (COPY_TO_REGCLASS GR32:$src,
4716 Requires<[In32BitMode]>;
4718 // (shl x, 1) ==> (add x, x)
4719 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
4720 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
4721 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
4723 // (shl x (and y, 31)) ==> (shl x, y)
4724 def : Pat<(shl GR8:$src1, (and CL, 31)),
4725 (SHL8rCL GR8:$src1)>;
4726 def : Pat<(shl GR16:$src1, (and CL, 31)),
4727 (SHL16rCL GR16:$src1)>;
4728 def : Pat<(shl GR32:$src1, (and CL, 31)),
4729 (SHL32rCL GR32:$src1)>;
4730 def : Pat<(store (shl (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4731 (SHL8mCL addr:$dst)>;
4732 def : Pat<(store (shl (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4733 (SHL16mCL addr:$dst)>;
4734 def : Pat<(store (shl (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4735 (SHL32mCL addr:$dst)>;
4737 def : Pat<(srl GR8:$src1, (and CL, 31)),
4738 (SHR8rCL GR8:$src1)>;
4739 def : Pat<(srl GR16:$src1, (and CL, 31)),
4740 (SHR16rCL GR16:$src1)>;
4741 def : Pat<(srl GR32:$src1, (and CL, 31)),
4742 (SHR32rCL GR32:$src1)>;
4743 def : Pat<(store (srl (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4744 (SHR8mCL addr:$dst)>;
4745 def : Pat<(store (srl (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4746 (SHR16mCL addr:$dst)>;
4747 def : Pat<(store (srl (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4748 (SHR32mCL addr:$dst)>;
4750 def : Pat<(sra GR8:$src1, (and CL, 31)),
4751 (SAR8rCL GR8:$src1)>;
4752 def : Pat<(sra GR16:$src1, (and CL, 31)),
4753 (SAR16rCL GR16:$src1)>;
4754 def : Pat<(sra GR32:$src1, (and CL, 31)),
4755 (SAR32rCL GR32:$src1)>;
4756 def : Pat<(store (sra (loadi8 addr:$dst), (and CL, 31)), addr:$dst),
4757 (SAR8mCL addr:$dst)>;
4758 def : Pat<(store (sra (loadi16 addr:$dst), (and CL, 31)), addr:$dst),
4759 (SAR16mCL addr:$dst)>;
4760 def : Pat<(store (sra (loadi32 addr:$dst), (and CL, 31)), addr:$dst),
4761 (SAR32mCL addr:$dst)>;
4763 // (anyext (setcc_carry)) -> (setcc_carry)
4764 def : Pat<(i16 (anyext (i8 (X86setcc_c X86_COND_B, EFLAGS)))),
4766 def : Pat<(i32 (anyext (i8 (X86setcc_c X86_COND_B, EFLAGS)))),
4768 def : Pat<(i32 (anyext (i16 (X86setcc_c X86_COND_B, EFLAGS)))),
4771 // (or x1, x2) -> (add x1, x2) if two operands are known not to share bits.
4772 let AddedComplexity = 5 in { // Try this before the selecting to OR
4773 def : Pat<(or_is_add GR16:$src1, imm:$src2),
4774 (ADD16ri GR16:$src1, imm:$src2)>;
4775 def : Pat<(or_is_add GR32:$src1, imm:$src2),
4776 (ADD32ri GR32:$src1, imm:$src2)>;
4777 def : Pat<(or_is_add GR16:$src1, i16immSExt8:$src2),
4778 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4779 def : Pat<(or_is_add GR32:$src1, i32immSExt8:$src2),
4780 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4781 def : Pat<(or_is_add GR16:$src1, GR16:$src2),
4782 (ADD16rr GR16:$src1, GR16:$src2)>;
4783 def : Pat<(or_is_add GR32:$src1, GR32:$src2),
4784 (ADD32rr GR32:$src1, GR32:$src2)>;
4785 } // AddedComplexity
4787 //===----------------------------------------------------------------------===//
4788 // EFLAGS-defining Patterns
4789 //===----------------------------------------------------------------------===//
4792 def : Pat<(add GR8 :$src1, GR8 :$src2), (ADD8rr GR8 :$src1, GR8 :$src2)>;
4793 def : Pat<(add GR16:$src1, GR16:$src2), (ADD16rr GR16:$src1, GR16:$src2)>;
4794 def : Pat<(add GR32:$src1, GR32:$src2), (ADD32rr GR32:$src1, GR32:$src2)>;
4797 def : Pat<(add GR8:$src1, (loadi8 addr:$src2)),
4798 (ADD8rm GR8:$src1, addr:$src2)>;
4799 def : Pat<(add GR16:$src1, (loadi16 addr:$src2)),
4800 (ADD16rm GR16:$src1, addr:$src2)>;
4801 def : Pat<(add GR32:$src1, (loadi32 addr:$src2)),
4802 (ADD32rm GR32:$src1, addr:$src2)>;
4805 def : Pat<(add GR8 :$src1, imm:$src2), (ADD8ri GR8:$src1 , imm:$src2)>;
4806 def : Pat<(add GR16:$src1, imm:$src2), (ADD16ri GR16:$src1, imm:$src2)>;
4807 def : Pat<(add GR32:$src1, imm:$src2), (ADD32ri GR32:$src1, imm:$src2)>;
4808 def : Pat<(add GR16:$src1, i16immSExt8:$src2),
4809 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
4810 def : Pat<(add GR32:$src1, i32immSExt8:$src2),
4811 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
4814 def : Pat<(sub GR8 :$src1, GR8 :$src2), (SUB8rr GR8 :$src1, GR8 :$src2)>;
4815 def : Pat<(sub GR16:$src1, GR16:$src2), (SUB16rr GR16:$src1, GR16:$src2)>;
4816 def : Pat<(sub GR32:$src1, GR32:$src2), (SUB32rr GR32:$src1, GR32:$src2)>;
4819 def : Pat<(sub GR8:$src1, (loadi8 addr:$src2)),
4820 (SUB8rm GR8:$src1, addr:$src2)>;
4821 def : Pat<(sub GR16:$src1, (loadi16 addr:$src2)),
4822 (SUB16rm GR16:$src1, addr:$src2)>;
4823 def : Pat<(sub GR32:$src1, (loadi32 addr:$src2)),
4824 (SUB32rm GR32:$src1, addr:$src2)>;
4827 def : Pat<(sub GR8:$src1, imm:$src2),
4828 (SUB8ri GR8:$src1, imm:$src2)>;
4829 def : Pat<(sub GR16:$src1, imm:$src2),
4830 (SUB16ri GR16:$src1, imm:$src2)>;
4831 def : Pat<(sub GR32:$src1, imm:$src2),
4832 (SUB32ri GR32:$src1, imm:$src2)>;
4833 def : Pat<(sub GR16:$src1, i16immSExt8:$src2),
4834 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
4835 def : Pat<(sub GR32:$src1, i32immSExt8:$src2),
4836 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
4839 def : Pat<(mul GR16:$src1, GR16:$src2),
4840 (IMUL16rr GR16:$src1, GR16:$src2)>;
4841 def : Pat<(mul GR32:$src1, GR32:$src2),
4842 (IMUL32rr GR32:$src1, GR32:$src2)>;
4845 def : Pat<(mul GR16:$src1, (loadi16 addr:$src2)),
4846 (IMUL16rm GR16:$src1, addr:$src2)>;
4847 def : Pat<(mul GR32:$src1, (loadi32 addr:$src2)),
4848 (IMUL32rm GR32:$src1, addr:$src2)>;
4851 def : Pat<(mul GR16:$src1, imm:$src2),
4852 (IMUL16rri GR16:$src1, imm:$src2)>;
4853 def : Pat<(mul GR32:$src1, imm:$src2),
4854 (IMUL32rri GR32:$src1, imm:$src2)>;
4855 def : Pat<(mul GR16:$src1, i16immSExt8:$src2),
4856 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
4857 def : Pat<(mul GR32:$src1, i32immSExt8:$src2),
4858 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
4860 // reg = mul mem, imm
4861 def : Pat<(mul (loadi16 addr:$src1), imm:$src2),
4862 (IMUL16rmi addr:$src1, imm:$src2)>;
4863 def : Pat<(mul (loadi32 addr:$src1), imm:$src2),
4864 (IMUL32rmi addr:$src1, imm:$src2)>;
4865 def : Pat<(mul (loadi16 addr:$src1), i16immSExt8:$src2),
4866 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
4867 def : Pat<(mul (loadi32 addr:$src1), i32immSExt8:$src2),
4868 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
4870 // Optimize multiply by 2 with EFLAGS result.
4871 let AddedComplexity = 2 in {
4872 def : Pat<(X86smul_flag GR16:$src1, 2), (ADD16rr GR16:$src1, GR16:$src1)>;
4873 def : Pat<(X86smul_flag GR32:$src1, 2), (ADD32rr GR32:$src1, GR32:$src1)>;
4876 // Patterns for nodes that do not produce flags, for instructions that do.
4879 def : Pat<(add GR8:$src1 , 1), (INC8r GR8:$src1)>;
4880 def : Pat<(add GR16:$src1, 1), (INC16r GR16:$src1)>, Requires<[In32BitMode]>;
4881 def : Pat<(add GR32:$src1, 1), (INC32r GR32:$src1)>, Requires<[In32BitMode]>;
4884 def : Pat<(add GR8:$src1 , -1), (DEC8r GR8:$src1)>;
4885 def : Pat<(add GR16:$src1, -1), (DEC16r GR16:$src1)>, Requires<[In32BitMode]>;
4886 def : Pat<(add GR32:$src1, -1), (DEC32r GR32:$src1)>, Requires<[In32BitMode]>;
4889 def : Pat<(or GR8 :$src1, GR8 :$src2), (OR8rr GR8 :$src1, GR8 :$src2)>;
4890 def : Pat<(or GR16:$src1, GR16:$src2), (OR16rr GR16:$src1, GR16:$src2)>;
4891 def : Pat<(or GR32:$src1, GR32:$src2), (OR32rr GR32:$src1, GR32:$src2)>;
4894 def : Pat<(or GR8:$src1, (loadi8 addr:$src2)),
4895 (OR8rm GR8:$src1, addr:$src2)>;
4896 def : Pat<(or GR16:$src1, (loadi16 addr:$src2)),
4897 (OR16rm GR16:$src1, addr:$src2)>;
4898 def : Pat<(or GR32:$src1, (loadi32 addr:$src2)),
4899 (OR32rm GR32:$src1, addr:$src2)>;
4902 def : Pat<(or GR8:$src1 , imm:$src2), (OR8ri GR8 :$src1, imm:$src2)>;
4903 def : Pat<(or GR16:$src1, imm:$src2), (OR16ri GR16:$src1, imm:$src2)>;
4904 def : Pat<(or GR32:$src1, imm:$src2), (OR32ri GR32:$src1, imm:$src2)>;
4905 def : Pat<(or GR16:$src1, i16immSExt8:$src2),
4906 (OR16ri8 GR16:$src1, i16immSExt8:$src2)>;
4907 def : Pat<(or GR32:$src1, i32immSExt8:$src2),
4908 (OR32ri8 GR32:$src1, i32immSExt8:$src2)>;
4911 def : Pat<(xor GR8 :$src1, GR8 :$src2), (XOR8rr GR8 :$src1, GR8 :$src2)>;
4912 def : Pat<(xor GR16:$src1, GR16:$src2), (XOR16rr GR16:$src1, GR16:$src2)>;
4913 def : Pat<(xor GR32:$src1, GR32:$src2), (XOR32rr GR32:$src1, GR32:$src2)>;
4916 def : Pat<(xor GR8:$src1, (loadi8 addr:$src2)),
4917 (XOR8rm GR8:$src1, addr:$src2)>;
4918 def : Pat<(xor GR16:$src1, (loadi16 addr:$src2)),
4919 (XOR16rm GR16:$src1, addr:$src2)>;
4920 def : Pat<(xor GR32:$src1, (loadi32 addr:$src2)),
4921 (XOR32rm GR32:$src1, addr:$src2)>;
4924 def : Pat<(xor GR8:$src1, imm:$src2),
4925 (XOR8ri GR8:$src1, imm:$src2)>;
4926 def : Pat<(xor GR16:$src1, imm:$src2),
4927 (XOR16ri GR16:$src1, imm:$src2)>;
4928 def : Pat<(xor GR32:$src1, imm:$src2),
4929 (XOR32ri GR32:$src1, imm:$src2)>;
4930 def : Pat<(xor GR16:$src1, i16immSExt8:$src2),
4931 (XOR16ri8 GR16:$src1, i16immSExt8:$src2)>;
4932 def : Pat<(xor GR32:$src1, i32immSExt8:$src2),
4933 (XOR32ri8 GR32:$src1, i32immSExt8:$src2)>;
4936 def : Pat<(and GR8 :$src1, GR8 :$src2), (AND8rr GR8 :$src1, GR8 :$src2)>;
4937 def : Pat<(and GR16:$src1, GR16:$src2), (AND16rr GR16:$src1, GR16:$src2)>;
4938 def : Pat<(and GR32:$src1, GR32:$src2), (AND32rr GR32:$src1, GR32:$src2)>;
4941 def : Pat<(and GR8:$src1, (loadi8 addr:$src2)),
4942 (AND8rm GR8:$src1, addr:$src2)>;
4943 def : Pat<(and GR16:$src1, (loadi16 addr:$src2)),
4944 (AND16rm GR16:$src1, addr:$src2)>;
4945 def : Pat<(and GR32:$src1, (loadi32 addr:$src2)),
4946 (AND32rm GR32:$src1, addr:$src2)>;
4949 def : Pat<(and GR8:$src1, imm:$src2),
4950 (AND8ri GR8:$src1, imm:$src2)>;
4951 def : Pat<(and GR16:$src1, imm:$src2),
4952 (AND16ri GR16:$src1, imm:$src2)>;
4953 def : Pat<(and GR32:$src1, imm:$src2),
4954 (AND32ri GR32:$src1, imm:$src2)>;
4955 def : Pat<(and GR16:$src1, i16immSExt8:$src2),
4956 (AND16ri8 GR16:$src1, i16immSExt8:$src2)>;
4957 def : Pat<(and GR32:$src1, i32immSExt8:$src2),
4958 (AND32ri8 GR32:$src1, i32immSExt8:$src2)>;
4960 //===----------------------------------------------------------------------===//
4961 // Floating Point Stack Support
4962 //===----------------------------------------------------------------------===//
4964 include "X86InstrFPStack.td"
4966 //===----------------------------------------------------------------------===//
4968 //===----------------------------------------------------------------------===//
4970 include "X86Instr64bit.td"
4972 //===----------------------------------------------------------------------===//
4973 // SIMD support (SSE, MMX and AVX)
4974 //===----------------------------------------------------------------------===//
4976 include "X86InstrFragmentsSIMD.td"
4978 //===----------------------------------------------------------------------===//
4979 // FMA - Fused Multiply-Add support (requires FMA)
4980 //===----------------------------------------------------------------------===//
4982 include "X86InstrFMA.td"
4984 //===----------------------------------------------------------------------===//
4985 // XMM Floating point support (requires SSE / SSE2)
4986 //===----------------------------------------------------------------------===//
4988 include "X86InstrSSE.td"
4990 //===----------------------------------------------------------------------===//
4991 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
4992 //===----------------------------------------------------------------------===//
4994 include "X86InstrMMX.td"