1 //===- X86InstrInfo.td - Main X86 Instruction Definition ---*- tablegen -*-===//
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 Has3DNow : Predicate<"Subtarget->has3DNow()">;
353 def Has3DNowA : Predicate<"Subtarget->has3DNowA()">;
354 def HasSSE1 : Predicate<"Subtarget->hasSSE1() && !Subtarget->hasAVX()">;
355 def HasSSE2 : Predicate<"Subtarget->hasSSE2() && !Subtarget->hasAVX()">;
356 def HasSSE3 : Predicate<"Subtarget->hasSSE3() && !Subtarget->hasAVX()">;
357 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3() && !Subtarget->hasAVX()">;
358 def HasSSE41 : Predicate<"Subtarget->hasSSE41() && !Subtarget->hasAVX()">;
359 def HasSSE42 : Predicate<"Subtarget->hasSSE42() && !Subtarget->hasAVX()">;
360 def HasSSE4A : Predicate<"Subtarget->hasSSE4A() && !Subtarget->hasAVX()">;
362 def HasAVX : Predicate<"Subtarget->hasAVX()">;
363 def HasCLMUL : Predicate<"Subtarget->hasCLMUL()">;
364 def HasFMA3 : Predicate<"Subtarget->hasFMA3()">;
365 def HasFMA4 : Predicate<"Subtarget->hasFMA4()">;
366 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
367 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
368 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
369 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
370 def IsWin64 : Predicate<"Subtarget->isTargetWin64()">;
371 def NotWin64 : Predicate<"!Subtarget->isTargetWin64()">;
372 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
373 def KernelCode : Predicate<"TM.getCodeModel() == CodeModel::Kernel">;
374 def FarData : Predicate<"TM.getCodeModel() != CodeModel::Small &&"
375 "TM.getCodeModel() != CodeModel::Kernel">;
376 def NearData : Predicate<"TM.getCodeModel() == CodeModel::Small ||"
377 "TM.getCodeModel() == CodeModel::Kernel">;
378 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
379 def IsNotPIC : Predicate<"TM.getRelocationModel() != Reloc::PIC_">;
380 def OptForSize : Predicate<"OptForSize">;
381 def OptForSpeed : Predicate<"!OptForSize">;
382 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
383 def CallImmAddr : Predicate<"Subtarget->IsLegalToCallImmediateAddr(TM)">;
384 def HasAES : Predicate<"Subtarget->hasAES()">;
386 //===----------------------------------------------------------------------===//
387 // X86 Instruction Format Definitions.
390 include "X86InstrFormats.td"
392 //===----------------------------------------------------------------------===//
393 // Pattern fragments...
396 // X86 specific condition code. These correspond to CondCode in
397 // X86InstrInfo.h. They must be kept in synch.
398 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
399 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
400 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
401 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
402 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
403 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
404 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
405 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
406 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
407 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
408 def X86_COND_NO : PatLeaf<(i8 10)>;
409 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
410 def X86_COND_NS : PatLeaf<(i8 12)>;
411 def X86_COND_O : PatLeaf<(i8 13)>;
412 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
413 def X86_COND_S : PatLeaf<(i8 15)>;
415 def immSext8 : PatLeaf<(imm), [{ return immSext8(N); }]>;
417 def i16immSExt8 : PatLeaf<(i16 immSext8)>;
418 def i32immSExt8 : PatLeaf<(i32 immSext8)>;
420 // Helper fragments for loads.
421 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
422 // known to be 32-bit aligned or better. Ditto for i8 to i16.
423 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
424 LoadSDNode *LD = cast<LoadSDNode>(N);
425 ISD::LoadExtType ExtType = LD->getExtensionType();
426 if (ExtType == ISD::NON_EXTLOAD)
428 if (ExtType == ISD::EXTLOAD)
429 return LD->getAlignment() >= 2 && !LD->isVolatile();
433 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)),[{
434 LoadSDNode *LD = cast<LoadSDNode>(N);
435 ISD::LoadExtType ExtType = LD->getExtensionType();
436 if (ExtType == ISD::EXTLOAD)
437 return LD->getAlignment() >= 2 && !LD->isVolatile();
441 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
442 LoadSDNode *LD = cast<LoadSDNode>(N);
443 ISD::LoadExtType ExtType = LD->getExtensionType();
444 if (ExtType == ISD::NON_EXTLOAD)
446 if (ExtType == ISD::EXTLOAD)
447 return LD->getAlignment() >= 4 && !LD->isVolatile();
451 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
452 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr))>;
453 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
454 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
455 def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr))>;
457 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
458 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
459 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
461 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
462 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
463 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
464 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
465 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
466 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
468 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
469 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
470 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
471 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
472 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
473 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
476 // An 'and' node with a single use.
477 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
478 return N->hasOneUse();
480 // An 'srl' node with a single use.
481 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
482 return N->hasOneUse();
484 // An 'trunc' node with a single use.
485 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
486 return N->hasOneUse();
489 // Treat an 'or' node is as an 'add' if the or'ed bits are known to be zero.
490 def or_is_add : PatFrag<(ops node:$lhs, node:$rhs), (or node:$lhs, node:$rhs),[{
491 if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N->getOperand(1)))
492 return CurDAG->MaskedValueIsZero(N->getOperand(0), CN->getAPIntValue());
494 unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits();
495 APInt Mask = APInt::getAllOnesValue(BitWidth);
496 APInt KnownZero0, KnownOne0;
497 CurDAG->ComputeMaskedBits(N->getOperand(0), Mask, KnownZero0, KnownOne0, 0);
498 APInt KnownZero1, KnownOne1;
499 CurDAG->ComputeMaskedBits(N->getOperand(1), Mask, KnownZero1, KnownOne1, 0);
500 return (~KnownZero0 & ~KnownZero1) == 0;
503 //===----------------------------------------------------------------------===//
508 let neverHasSideEffects = 1 in {
509 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
510 def NOOPW : I<0x1f, MRM0m, (outs), (ins i16mem:$zero),
511 "nop{w}\t$zero", []>, TB, OpSize;
512 def NOOPL : I<0x1f, MRM0m, (outs), (ins i32mem:$zero),
513 "nop{l}\t$zero", []>, TB;
517 // Constructing a stack frame.
518 def ENTER : Ii16<0xC8, RawFrmImm8, (outs), (ins i16imm:$len, i8imm:$lvl),
519 "enter\t$len, $lvl", []>;
521 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
522 def LEAVE : I<0xC9, RawFrm,
523 (outs), (ins), "leave", []>, Requires<[In32BitMode]>;
525 //===----------------------------------------------------------------------===//
526 // Miscellaneous Instructions...
528 def POPCNT16rr : I<0xB8, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
529 "popcnt{w}\t{$src, $dst|$dst, $src}", []>, OpSize, XS;
531 def POPCNT16rm : I<0xB8, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
532 "popcnt{w}\t{$src, $dst|$dst, $src}", []>, OpSize, XS;
533 def POPCNT32rr : I<0xB8, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
534 "popcnt{l}\t{$src, $dst|$dst, $src}", []>, XS;
536 def POPCNT32rm : I<0xB8, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
537 "popcnt{l}\t{$src, $dst|$dst, $src}", []>, XS;
539 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
541 def POP16r : I<0x58, AddRegFrm, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
543 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
544 def POP16rmr: I<0x8F, MRM0r, (outs GR16:$reg), (ins), "pop{w}\t$reg", []>,
546 def POP16rmm: I<0x8F, MRM0m, (outs i16mem:$dst), (ins), "pop{w}\t$dst", []>,
548 def POP32rmr: I<0x8F, MRM0r, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
549 def POP32rmm: I<0x8F, MRM0m, (outs i32mem:$dst), (ins), "pop{l}\t$dst", []>;
552 let mayStore = 1 in {
553 def PUSH16r : I<0x50, AddRegFrm, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
555 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
556 def PUSH16rmr: I<0xFF, MRM6r, (outs), (ins GR16:$reg), "push{w}\t$reg",[]>,
558 def PUSH16rmm: I<0xFF, MRM6m, (outs), (ins i16mem:$src), "push{w}\t$src",[]>,
560 def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
561 def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[]>;
565 let Defs = [ESP], Uses = [ESP], neverHasSideEffects = 1, mayStore = 1 in {
566 def PUSHi8 : Ii8<0x6a, RawFrm, (outs), (ins i32i8imm:$imm),
567 "push{l}\t$imm", []>;
568 def PUSHi16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
569 "push{w}\t$imm", []>, OpSize;
570 def PUSHi32 : Ii32<0x68, RawFrm, (outs), (ins i32imm:$imm),
571 "push{l}\t$imm", []>;
574 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in {
575 def POPF16 : I<0x9D, RawFrm, (outs), (ins), "popf{w}", []>, OpSize;
576 def POPF32 : I<0x9D, RawFrm, (outs), (ins), "popf{l|d}", []>,
577 Requires<[In32BitMode]>;
579 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in {
580 def PUSHF16 : I<0x9C, RawFrm, (outs), (ins), "pushf{w}", []>, OpSize;
581 def PUSHF32 : I<0x9C, RawFrm, (outs), (ins), "pushf{l|d}", []>,
582 Requires<[In32BitMode]>;
585 let Defs = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP], Uses = [ESP],
586 mayLoad=1, neverHasSideEffects=1 in {
587 def POPA32 : I<0x61, RawFrm, (outs), (ins), "popa{l}", []>,
588 Requires<[In32BitMode]>;
590 let Defs = [ESP], Uses = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP],
591 mayStore=1, neverHasSideEffects=1 in {
592 def PUSHA32 : I<0x60, RawFrm, (outs), (ins), "pusha{l}", []>,
593 Requires<[In32BitMode]>;
596 let Uses = [EFLAGS], Constraints = "$src = $dst" in // GR32 = bswap GR32
597 def BSWAP32r : I<0xC8, AddRegFrm,
598 (outs GR32:$dst), (ins GR32:$src),
600 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
603 // Bit scan instructions.
604 let Defs = [EFLAGS] in {
605 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
606 "bsf{w}\t{$src, $dst|$dst, $src}",
607 [(set GR16:$dst, EFLAGS, (X86bsf GR16:$src))]>, TB, OpSize;
608 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
609 "bsf{w}\t{$src, $dst|$dst, $src}",
610 [(set GR16:$dst, EFLAGS, (X86bsf (loadi16 addr:$src)))]>, TB,
612 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
613 "bsf{l}\t{$src, $dst|$dst, $src}",
614 [(set GR32:$dst, EFLAGS, (X86bsf GR32:$src))]>, TB;
615 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
616 "bsf{l}\t{$src, $dst|$dst, $src}",
617 [(set GR32:$dst, EFLAGS, (X86bsf (loadi32 addr:$src)))]>, TB;
619 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
620 "bsr{w}\t{$src, $dst|$dst, $src}",
621 [(set GR16:$dst, EFLAGS, (X86bsr GR16:$src))]>, TB, OpSize;
622 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
623 "bsr{w}\t{$src, $dst|$dst, $src}",
624 [(set GR16:$dst, EFLAGS, (X86bsr (loadi16 addr:$src)))]>, TB,
626 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
627 "bsr{l}\t{$src, $dst|$dst, $src}",
628 [(set GR32:$dst, EFLAGS, (X86bsr GR32:$src))]>, TB;
629 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
630 "bsr{l}\t{$src, $dst|$dst, $src}",
631 [(set GR32:$dst, EFLAGS, (X86bsr (loadi32 addr:$src)))]>, TB;
634 let neverHasSideEffects = 1 in
635 def LEA16r : I<0x8D, MRMSrcMem,
636 (outs GR16:$dst), (ins i32mem:$src),
637 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
638 let isReMaterializable = 1 in
639 def LEA32r : I<0x8D, MRMSrcMem,
640 (outs GR32:$dst), (ins i32mem:$src),
641 "lea{l}\t{$src|$dst}, {$dst|$src}",
642 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
645 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
646 let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in {
647 def MOVSB : I<0xA4, RawFrm, (outs), (ins), "{movsb}", []>;
648 def MOVSW : I<0xA5, RawFrm, (outs), (ins), "{movsw}", []>, OpSize;
649 def MOVSD : I<0xA5, RawFrm, (outs), (ins), "{movsl|movsd}", []>;
650 def MOVSQ : RI<0xA5, RawFrm, (outs), (ins), "movsq", []>;
653 // These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
654 let Defs = [EDI], Uses = [AL,EDI,EFLAGS] in
655 def STOSB : I<0xAA, RawFrm, (outs), (ins), "{stosb}", []>;
656 let Defs = [EDI], Uses = [AX,EDI,EFLAGS] in
657 def STOSW : I<0xAB, RawFrm, (outs), (ins), "{stosw}", []>, OpSize;
658 let Defs = [EDI], Uses = [EAX,EDI,EFLAGS] in
659 def STOSD : I<0xAB, RawFrm, (outs), (ins), "{stosl|stosd}", []>;
660 let Defs = [RCX,RDI], Uses = [RAX,RCX,RDI,EFLAGS] in
661 def STOSQ : RI<0xAB, RawFrm, (outs), (ins), "stosq", []>;
663 def SCAS8 : I<0xAE, RawFrm, (outs), (ins), "scas{b}", []>;
664 def SCAS16 : I<0xAF, RawFrm, (outs), (ins), "scas{w}", []>, OpSize;
665 def SCAS32 : I<0xAF, RawFrm, (outs), (ins), "scas{l}", []>;
666 def SCAS64 : RI<0xAF, RawFrm, (outs), (ins), "scasq", []>;
668 def CMPS8 : I<0xA6, RawFrm, (outs), (ins), "cmps{b}", []>;
669 def CMPS16 : I<0xA7, RawFrm, (outs), (ins), "cmps{w}", []>, OpSize;
670 def CMPS32 : I<0xA7, RawFrm, (outs), (ins), "cmps{l}", []>;
671 def CMPS64 : RI<0xA7, RawFrm, (outs), (ins), "cmpsq", []>;
674 //===----------------------------------------------------------------------===//
675 // Move Instructions.
677 let neverHasSideEffects = 1 in {
678 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
679 "mov{b}\t{$src, $dst|$dst, $src}", []>;
680 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
681 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
682 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
683 "mov{l}\t{$src, $dst|$dst, $src}", []>;
685 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
686 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
687 "mov{b}\t{$src, $dst|$dst, $src}",
688 [(set GR8:$dst, imm:$src)]>;
689 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
690 "mov{w}\t{$src, $dst|$dst, $src}",
691 [(set GR16:$dst, imm:$src)]>, OpSize;
692 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
693 "mov{l}\t{$src, $dst|$dst, $src}",
694 [(set GR32:$dst, imm:$src)]>;
697 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
698 "mov{b}\t{$src, $dst|$dst, $src}",
699 [(store (i8 imm:$src), addr:$dst)]>;
700 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
701 "mov{w}\t{$src, $dst|$dst, $src}",
702 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
703 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
704 "mov{l}\t{$src, $dst|$dst, $src}",
705 [(store (i32 imm:$src), addr:$dst)]>;
707 /// moffs8, moffs16 and moffs32 versions of moves. The immediate is a
708 /// 32-bit offset from the PC. These are only valid in x86-32 mode.
709 def MOV8o8a : Ii32 <0xA0, RawFrm, (outs), (ins offset8:$src),
710 "mov{b}\t{$src, %al|%al, $src}", []>,
711 Requires<[In32BitMode]>;
712 def MOV16o16a : Ii32 <0xA1, RawFrm, (outs), (ins offset16:$src),
713 "mov{w}\t{$src, %ax|%ax, $src}", []>, OpSize,
714 Requires<[In32BitMode]>;
715 def MOV32o32a : Ii32 <0xA1, RawFrm, (outs), (ins offset32:$src),
716 "mov{l}\t{$src, %eax|%eax, $src}", []>,
717 Requires<[In32BitMode]>;
718 def MOV8ao8 : Ii32 <0xA2, RawFrm, (outs offset8:$dst), (ins),
719 "mov{b}\t{%al, $dst|$dst, %al}", []>,
720 Requires<[In32BitMode]>;
721 def MOV16ao16 : Ii32 <0xA3, RawFrm, (outs offset16:$dst), (ins),
722 "mov{w}\t{%ax, $dst|$dst, %ax}", []>, OpSize,
723 Requires<[In32BitMode]>;
724 def MOV32ao32 : Ii32 <0xA3, RawFrm, (outs offset32:$dst), (ins),
725 "mov{l}\t{%eax, $dst|$dst, %eax}", []>,
726 Requires<[In32BitMode]>;
729 let isCodeGenOnly = 1 in {
730 def MOV8rr_REV : I<0x8A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src),
731 "mov{b}\t{$src, $dst|$dst, $src}", []>;
732 def MOV16rr_REV : I<0x8B, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
733 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
734 def MOV32rr_REV : I<0x8B, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
735 "mov{l}\t{$src, $dst|$dst, $src}", []>;
738 let canFoldAsLoad = 1, isReMaterializable = 1 in {
739 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
740 "mov{b}\t{$src, $dst|$dst, $src}",
741 [(set GR8:$dst, (loadi8 addr:$src))]>;
742 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
743 "mov{w}\t{$src, $dst|$dst, $src}",
744 [(set GR16:$dst, (loadi16 addr:$src))]>, OpSize;
745 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
746 "mov{l}\t{$src, $dst|$dst, $src}",
747 [(set GR32:$dst, (loadi32 addr:$src))]>;
750 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
751 "mov{b}\t{$src, $dst|$dst, $src}",
752 [(store GR8:$src, addr:$dst)]>;
753 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
754 "mov{w}\t{$src, $dst|$dst, $src}",
755 [(store GR16:$src, addr:$dst)]>, OpSize;
756 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
757 "mov{l}\t{$src, $dst|$dst, $src}",
758 [(store GR32:$src, addr:$dst)]>;
760 /// Versions of MOV32rr, MOV32rm, and MOV32mr for i32mem_TC and GR32_TC.
761 let isCodeGenOnly = 1 in {
762 let neverHasSideEffects = 1 in
763 def MOV32rr_TC : I<0x89, MRMDestReg, (outs GR32_TC:$dst), (ins GR32_TC:$src),
764 "mov{l}\t{$src, $dst|$dst, $src}", []>;
767 canFoldAsLoad = 1, isReMaterializable = 1 in
768 def MOV32rm_TC : I<0x8B, MRMSrcMem, (outs GR32_TC:$dst), (ins i32mem_TC:$src),
769 "mov{l}\t{$src, $dst|$dst, $src}",
773 def MOV32mr_TC : I<0x89, MRMDestMem, (outs), (ins i32mem_TC:$dst, GR32_TC:$src),
774 "mov{l}\t{$src, $dst|$dst, $src}",
778 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
779 // that they can be used for copying and storing h registers, which can't be
780 // encoded when a REX prefix is present.
781 let isCodeGenOnly = 1 in {
782 let neverHasSideEffects = 1 in
783 def MOV8rr_NOREX : I<0x88, MRMDestReg,
784 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
785 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
787 def MOV8mr_NOREX : I<0x88, MRMDestMem,
788 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
789 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
791 canFoldAsLoad = 1, isReMaterializable = 1 in
792 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
793 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
794 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
797 //===----------------------------------------------------------------------===//
798 // Fixed-Register Multiplication and Division Instructions...
801 // Extra precision multiplication
803 // AL is really implied by AX, but the registers in Defs must match the
804 // SDNode results (i8, i32).
805 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
806 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
807 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
808 // This probably ought to be moved to a def : Pat<> if the
809 // syntax can be accepted.
810 [(set AL, (mul AL, GR8:$src)),
811 (implicit EFLAGS)]>; // AL,AH = AL*GR8
813 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
814 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
816 []>, OpSize; // AX,DX = AX*GR16
818 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
819 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
821 []>; // EAX,EDX = EAX*GR32
823 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
824 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
826 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
827 // This probably ought to be moved to a def : Pat<> if the
828 // syntax can be accepted.
829 [(set AL, (mul AL, (loadi8 addr:$src))),
830 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
832 let mayLoad = 1, neverHasSideEffects = 1 in {
833 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
834 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
836 []>, OpSize; // AX,DX = AX*[mem16]
838 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
839 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
841 []>; // EAX,EDX = EAX*[mem32]
844 let neverHasSideEffects = 1 in {
845 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
846 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
848 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
849 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
850 OpSize; // AX,DX = AX*GR16
851 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
852 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
853 // EAX,EDX = EAX*GR32
855 let Defs = [AL,EFLAGS,AX], Uses = [AL] in
856 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
857 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
858 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
859 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
860 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
861 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
862 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
863 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
865 } // neverHasSideEffects
867 // unsigned division/remainder
868 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
869 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
871 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
872 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
873 "div{w}\t$src", []>, OpSize;
874 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
875 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
878 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
879 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
881 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
882 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
883 "div{w}\t$src", []>, OpSize;
884 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
885 // EDX:EAX/[mem32] = EAX,EDX
886 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src),
890 // Signed division/remainder.
891 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
892 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
893 "idiv{b}\t$src", []>;
894 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
895 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
896 "idiv{w}\t$src", []>, OpSize;
897 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
898 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
899 "idiv{l}\t$src", []>;
900 let mayLoad = 1, mayLoad = 1 in {
901 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
902 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
903 "idiv{b}\t$src", []>;
904 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
905 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
906 "idiv{w}\t$src", []>, OpSize;
907 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
908 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src),
909 // EDX:EAX/[mem32] = EAX,EDX
910 "idiv{l}\t$src", []>;
913 //===----------------------------------------------------------------------===//
914 // Two address Instructions.
916 let Constraints = "$src1 = $dst" in {
918 // unary instructions
919 let CodeSize = 2 in {
920 let Defs = [EFLAGS] in {
921 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src1),
923 [(set GR8:$dst, (ineg GR8:$src1)),
925 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src1),
927 [(set GR16:$dst, (ineg GR16:$src1)),
928 (implicit EFLAGS)]>, OpSize;
929 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src1),
931 [(set GR32:$dst, (ineg GR32:$src1)),
934 let Constraints = "" in {
935 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst),
937 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
939 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst),
941 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
942 (implicit EFLAGS)]>, OpSize;
943 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst),
945 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
947 } // Constraints = ""
950 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
951 let AddedComplexity = 15 in {
952 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src1),
954 [(set GR8:$dst, (not GR8:$src1))]>;
955 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src1),
957 [(set GR16:$dst, (not GR16:$src1))]>, OpSize;
958 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src1),
960 [(set GR32:$dst, (not GR32:$src1))]>;
962 let Constraints = "" in {
963 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst),
965 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
966 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst),
968 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
969 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst),
971 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
972 } // Constraints = ""
975 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
976 let Defs = [EFLAGS] in {
978 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
980 [(set GR8:$dst, EFLAGS, (X86inc_flag GR8:$src1))]>;
982 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
983 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src1),
985 [(set GR16:$dst, EFLAGS, (X86inc_flag GR16:$src1))]>,
986 OpSize, Requires<[In32BitMode]>;
987 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1),
989 [(set GR32:$dst, EFLAGS, (X86inc_flag GR32:$src1))]>,
990 Requires<[In32BitMode]>;
992 let Constraints = "", CodeSize = 2 in {
993 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
994 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
996 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
997 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
999 OpSize, Requires<[In32BitMode]>;
1000 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1001 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
1002 (implicit EFLAGS)]>,
1003 Requires<[In32BitMode]>;
1004 } // Constraints = "", CodeSize = 2
1007 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
1009 [(set GR8:$dst, EFLAGS, (X86dec_flag GR8:$src1))]>;
1010 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1011 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src1),
1013 [(set GR16:$dst, EFLAGS, (X86dec_flag GR16:$src1))]>,
1014 OpSize, Requires<[In32BitMode]>;
1015 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src1),
1017 [(set GR32:$dst, EFLAGS, (X86dec_flag GR32:$src1))]>,
1018 Requires<[In32BitMode]>;
1021 let Constraints = "", CodeSize = 2 in {
1022 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1023 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
1024 (implicit EFLAGS)]>;
1025 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1026 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
1027 (implicit EFLAGS)]>,
1028 OpSize, Requires<[In32BitMode]>;
1029 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1030 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
1031 (implicit EFLAGS)]>,
1032 Requires<[In32BitMode]>;
1033 } // Constraints = "", CodeSize = 2
1034 } // Defs = [EFLAGS]
1036 // Logical operators...
1037 let Defs = [EFLAGS] in {
1038 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1039 def AND8rr : I<0x20, MRMDestReg,
1040 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1041 "and{b}\t{$src2, $dst|$dst, $src2}",
1042 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1, GR8:$src2))]>;
1043 def AND16rr : I<0x21, MRMDestReg,
1044 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1045 "and{w}\t{$src2, $dst|$dst, $src2}",
1046 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1047 GR16:$src2))]>, OpSize;
1048 def AND32rr : I<0x21, MRMDestReg,
1049 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1050 "and{l}\t{$src2, $dst|$dst, $src2}",
1051 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1055 // AND instructions with the destination register in REG and the source register
1056 // in R/M. Included for the disassembler.
1057 let isCodeGenOnly = 1 in {
1058 def AND8rr_REV : I<0x22, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1059 "and{b}\t{$src2, $dst|$dst, $src2}", []>;
1060 def AND16rr_REV : I<0x23, MRMSrcReg, (outs GR16:$dst),
1061 (ins GR16:$src1, GR16:$src2),
1062 "and{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1063 def AND32rr_REV : I<0x23, MRMSrcReg, (outs GR32:$dst),
1064 (ins GR32:$src1, GR32:$src2),
1065 "and{l}\t{$src2, $dst|$dst, $src2}", []>;
1068 def AND8rm : I<0x22, MRMSrcMem,
1069 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1070 "and{b}\t{$src2, $dst|$dst, $src2}",
1071 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1,
1072 (loadi8 addr:$src2)))]>;
1073 def AND16rm : I<0x23, MRMSrcMem,
1074 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1075 "and{w}\t{$src2, $dst|$dst, $src2}",
1076 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1077 (loadi16 addr:$src2)))]>,
1079 def AND32rm : I<0x23, MRMSrcMem,
1080 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1081 "and{l}\t{$src2, $dst|$dst, $src2}",
1082 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1083 (loadi32 addr:$src2)))]>;
1085 def AND8ri : Ii8<0x80, MRM4r,
1086 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1087 "and{b}\t{$src2, $dst|$dst, $src2}",
1088 [(set GR8:$dst, EFLAGS, (X86and_flag GR8:$src1,
1090 def AND16ri : Ii16<0x81, MRM4r,
1091 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1092 "and{w}\t{$src2, $dst|$dst, $src2}",
1093 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1094 imm:$src2))]>, OpSize;
1095 def AND32ri : Ii32<0x81, MRM4r,
1096 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1097 "and{l}\t{$src2, $dst|$dst, $src2}",
1098 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1100 def AND16ri8 : Ii8<0x83, MRM4r,
1101 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1102 "and{w}\t{$src2, $dst|$dst, $src2}",
1103 [(set GR16:$dst, EFLAGS, (X86and_flag GR16:$src1,
1104 i16immSExt8:$src2))]>,
1106 def AND32ri8 : Ii8<0x83, MRM4r,
1107 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1108 "and{l}\t{$src2, $dst|$dst, $src2}",
1109 [(set GR32:$dst, EFLAGS, (X86and_flag GR32:$src1,
1110 i32immSExt8:$src2))]>;
1112 let Constraints = "" in {
1113 def AND8mr : I<0x20, MRMDestMem,
1114 (outs), (ins i8mem :$dst, GR8 :$src),
1115 "and{b}\t{$src, $dst|$dst, $src}",
1116 [(store (and (load addr:$dst), GR8:$src), addr:$dst),
1117 (implicit EFLAGS)]>;
1118 def AND16mr : I<0x21, MRMDestMem,
1119 (outs), (ins i16mem:$dst, GR16:$src),
1120 "and{w}\t{$src, $dst|$dst, $src}",
1121 [(store (and (load addr:$dst), GR16:$src), addr:$dst),
1122 (implicit EFLAGS)]>,
1124 def AND32mr : I<0x21, MRMDestMem,
1125 (outs), (ins i32mem:$dst, GR32:$src),
1126 "and{l}\t{$src, $dst|$dst, $src}",
1127 [(store (and (load addr:$dst), GR32:$src), addr:$dst),
1128 (implicit EFLAGS)]>;
1129 def AND8mi : Ii8<0x80, MRM4m,
1130 (outs), (ins i8mem :$dst, i8imm :$src),
1131 "and{b}\t{$src, $dst|$dst, $src}",
1132 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
1133 (implicit EFLAGS)]>;
1134 def AND16mi : Ii16<0x81, MRM4m,
1135 (outs), (ins i16mem:$dst, i16imm:$src),
1136 "and{w}\t{$src, $dst|$dst, $src}",
1137 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
1138 (implicit EFLAGS)]>,
1140 def AND32mi : Ii32<0x81, MRM4m,
1141 (outs), (ins i32mem:$dst, i32imm:$src),
1142 "and{l}\t{$src, $dst|$dst, $src}",
1143 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
1144 (implicit EFLAGS)]>;
1145 def AND16mi8 : Ii8<0x83, MRM4m,
1146 (outs), (ins i16mem:$dst, i16i8imm :$src),
1147 "and{w}\t{$src, $dst|$dst, $src}",
1148 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
1149 (implicit EFLAGS)]>,
1151 def AND32mi8 : Ii8<0x83, MRM4m,
1152 (outs), (ins i32mem:$dst, i32i8imm :$src),
1153 "and{l}\t{$src, $dst|$dst, $src}",
1154 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
1155 (implicit EFLAGS)]>;
1157 def AND8i8 : Ii8<0x24, RawFrm, (outs), (ins i8imm:$src),
1158 "and{b}\t{$src, %al|%al, $src}", []>;
1159 def AND16i16 : Ii16<0x25, RawFrm, (outs), (ins i16imm:$src),
1160 "and{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1161 def AND32i32 : Ii32<0x25, RawFrm, (outs), (ins i32imm:$src),
1162 "and{l}\t{$src, %eax|%eax, $src}", []>;
1164 } // Constraints = ""
1167 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1168 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst),
1169 (ins GR8 :$src1, GR8 :$src2),
1170 "or{b}\t{$src2, $dst|$dst, $src2}",
1171 [(set GR8:$dst, EFLAGS, (X86or_flag GR8:$src1, GR8:$src2))]>;
1172 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst),
1173 (ins GR16:$src1, GR16:$src2),
1174 "or{w}\t{$src2, $dst|$dst, $src2}",
1175 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,GR16:$src2))]>,
1177 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst),
1178 (ins GR32:$src1, GR32:$src2),
1179 "or{l}\t{$src2, $dst|$dst, $src2}",
1180 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,GR32:$src2))]>;
1183 // OR instructions with the destination register in REG and the source register
1184 // in R/M. Included for the disassembler.
1185 let isCodeGenOnly = 1 in {
1186 def OR8rr_REV : I<0x0A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1187 "or{b}\t{$src2, $dst|$dst, $src2}", []>;
1188 def OR16rr_REV : I<0x0B, MRMSrcReg, (outs GR16:$dst),
1189 (ins GR16:$src1, GR16:$src2),
1190 "or{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1191 def OR32rr_REV : I<0x0B, MRMSrcReg, (outs GR32:$dst),
1192 (ins GR32:$src1, GR32:$src2),
1193 "or{l}\t{$src2, $dst|$dst, $src2}", []>;
1196 def OR8rm : I<0x0A, MRMSrcMem, (outs GR8 :$dst),
1197 (ins GR8 :$src1, i8mem :$src2),
1198 "or{b}\t{$src2, $dst|$dst, $src2}",
1199 [(set GR8:$dst, EFLAGS, (X86or_flag GR8:$src1,
1200 (load addr:$src2)))]>;
1201 def OR16rm : I<0x0B, MRMSrcMem, (outs GR16:$dst),
1202 (ins GR16:$src1, i16mem:$src2),
1203 "or{w}\t{$src2, $dst|$dst, $src2}",
1204 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
1205 (load addr:$src2)))]>,
1207 def OR32rm : I<0x0B, MRMSrcMem, (outs GR32:$dst),
1208 (ins GR32:$src1, i32mem:$src2),
1209 "or{l}\t{$src2, $dst|$dst, $src2}",
1210 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
1211 (load addr:$src2)))]>;
1213 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst),
1214 (ins GR8 :$src1, i8imm:$src2),
1215 "or{b}\t{$src2, $dst|$dst, $src2}",
1216 [(set GR8:$dst,EFLAGS, (X86or_flag GR8:$src1, imm:$src2))]>;
1217 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst),
1218 (ins GR16:$src1, i16imm:$src2),
1219 "or{w}\t{$src2, $dst|$dst, $src2}",
1220 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
1221 imm:$src2))]>, OpSize;
1222 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst),
1223 (ins GR32:$src1, i32imm:$src2),
1224 "or{l}\t{$src2, $dst|$dst, $src2}",
1225 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
1228 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst),
1229 (ins GR16:$src1, i16i8imm:$src2),
1230 "or{w}\t{$src2, $dst|$dst, $src2}",
1231 [(set GR16:$dst, EFLAGS, (X86or_flag GR16:$src1,
1232 i16immSExt8:$src2))]>, OpSize;
1233 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst),
1234 (ins GR32:$src1, i32i8imm:$src2),
1235 "or{l}\t{$src2, $dst|$dst, $src2}",
1236 [(set GR32:$dst, EFLAGS, (X86or_flag GR32:$src1,
1237 i32immSExt8:$src2))]>;
1238 let Constraints = "" in {
1239 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1240 "or{b}\t{$src, $dst|$dst, $src}",
1241 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
1242 (implicit EFLAGS)]>;
1243 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1244 "or{w}\t{$src, $dst|$dst, $src}",
1245 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
1246 (implicit EFLAGS)]>, OpSize;
1247 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1248 "or{l}\t{$src, $dst|$dst, $src}",
1249 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
1250 (implicit EFLAGS)]>;
1251 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1252 "or{b}\t{$src, $dst|$dst, $src}",
1253 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
1254 (implicit EFLAGS)]>;
1255 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
1256 "or{w}\t{$src, $dst|$dst, $src}",
1257 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
1258 (implicit EFLAGS)]>,
1260 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
1261 "or{l}\t{$src, $dst|$dst, $src}",
1262 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
1263 (implicit EFLAGS)]>;
1264 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
1265 "or{w}\t{$src, $dst|$dst, $src}",
1266 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
1267 (implicit EFLAGS)]>,
1269 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
1270 "or{l}\t{$src, $dst|$dst, $src}",
1271 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
1272 (implicit EFLAGS)]>;
1274 def OR8i8 : Ii8 <0x0C, RawFrm, (outs), (ins i8imm:$src),
1275 "or{b}\t{$src, %al|%al, $src}", []>;
1276 def OR16i16 : Ii16 <0x0D, RawFrm, (outs), (ins i16imm:$src),
1277 "or{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1278 def OR32i32 : Ii32 <0x0D, RawFrm, (outs), (ins i32imm:$src),
1279 "or{l}\t{$src, %eax|%eax, $src}", []>;
1280 } // Constraints = ""
1283 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1284 def XOR8rr : I<0x30, MRMDestReg,
1285 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1286 "xor{b}\t{$src2, $dst|$dst, $src2}",
1287 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1,
1289 def XOR16rr : I<0x31, MRMDestReg,
1290 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1291 "xor{w}\t{$src2, $dst|$dst, $src2}",
1292 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
1293 GR16:$src2))]>, OpSize;
1294 def XOR32rr : I<0x31, MRMDestReg,
1295 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1296 "xor{l}\t{$src2, $dst|$dst, $src2}",
1297 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
1299 } // isCommutable = 1
1301 // XOR instructions with the destination register in REG and the source register
1302 // in R/M. Included for the disassembler.
1303 let isCodeGenOnly = 1 in {
1304 def XOR8rr_REV : I<0x32, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1305 "xor{b}\t{$src2, $dst|$dst, $src2}", []>;
1306 def XOR16rr_REV : I<0x33, MRMSrcReg, (outs GR16:$dst),
1307 (ins GR16:$src1, GR16:$src2),
1308 "xor{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1309 def XOR32rr_REV : I<0x33, MRMSrcReg, (outs GR32:$dst),
1310 (ins GR32:$src1, GR32:$src2),
1311 "xor{l}\t{$src2, $dst|$dst, $src2}", []>;
1314 def XOR8rm : I<0x32, MRMSrcMem,
1315 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
1316 "xor{b}\t{$src2, $dst|$dst, $src2}",
1317 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1,
1318 (load addr:$src2)))]>;
1319 def XOR16rm : I<0x33, MRMSrcMem,
1320 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1321 "xor{w}\t{$src2, $dst|$dst, $src2}",
1322 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
1323 (load addr:$src2)))]>,
1325 def XOR32rm : I<0x33, MRMSrcMem,
1326 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1327 "xor{l}\t{$src2, $dst|$dst, $src2}",
1328 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
1329 (load addr:$src2)))]>;
1331 def XOR8ri : Ii8<0x80, MRM6r,
1332 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1333 "xor{b}\t{$src2, $dst|$dst, $src2}",
1334 [(set GR8:$dst, EFLAGS, (X86xor_flag GR8:$src1, imm:$src2))]>;
1335 def XOR16ri : Ii16<0x81, MRM6r,
1336 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1337 "xor{w}\t{$src2, $dst|$dst, $src2}",
1338 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
1339 imm:$src2))]>, OpSize;
1340 def XOR32ri : Ii32<0x81, MRM6r,
1341 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1342 "xor{l}\t{$src2, $dst|$dst, $src2}",
1343 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
1345 def XOR16ri8 : Ii8<0x83, MRM6r,
1346 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1347 "xor{w}\t{$src2, $dst|$dst, $src2}",
1348 [(set GR16:$dst, EFLAGS, (X86xor_flag GR16:$src1,
1349 i16immSExt8:$src2))]>,
1351 def XOR32ri8 : Ii8<0x83, MRM6r,
1352 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1353 "xor{l}\t{$src2, $dst|$dst, $src2}",
1354 [(set GR32:$dst, EFLAGS, (X86xor_flag GR32:$src1,
1355 i32immSExt8:$src2))]>;
1357 let Constraints = "" in {
1358 def XOR8mr : I<0x30, MRMDestMem,
1359 (outs), (ins i8mem :$dst, GR8 :$src),
1360 "xor{b}\t{$src, $dst|$dst, $src}",
1361 [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
1362 (implicit EFLAGS)]>;
1363 def XOR16mr : I<0x31, MRMDestMem,
1364 (outs), (ins i16mem:$dst, GR16:$src),
1365 "xor{w}\t{$src, $dst|$dst, $src}",
1366 [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
1367 (implicit EFLAGS)]>,
1369 def XOR32mr : I<0x31, MRMDestMem,
1370 (outs), (ins i32mem:$dst, GR32:$src),
1371 "xor{l}\t{$src, $dst|$dst, $src}",
1372 [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
1373 (implicit EFLAGS)]>;
1374 def XOR8mi : Ii8<0x80, MRM6m,
1375 (outs), (ins i8mem :$dst, i8imm :$src),
1376 "xor{b}\t{$src, $dst|$dst, $src}",
1377 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
1378 (implicit EFLAGS)]>;
1379 def XOR16mi : Ii16<0x81, MRM6m,
1380 (outs), (ins i16mem:$dst, i16imm:$src),
1381 "xor{w}\t{$src, $dst|$dst, $src}",
1382 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
1383 (implicit EFLAGS)]>,
1385 def XOR32mi : Ii32<0x81, MRM6m,
1386 (outs), (ins i32mem:$dst, i32imm:$src),
1387 "xor{l}\t{$src, $dst|$dst, $src}",
1388 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
1389 (implicit EFLAGS)]>;
1390 def XOR16mi8 : Ii8<0x83, MRM6m,
1391 (outs), (ins i16mem:$dst, i16i8imm :$src),
1392 "xor{w}\t{$src, $dst|$dst, $src}",
1393 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
1394 (implicit EFLAGS)]>,
1396 def XOR32mi8 : Ii8<0x83, MRM6m,
1397 (outs), (ins i32mem:$dst, i32i8imm :$src),
1398 "xor{l}\t{$src, $dst|$dst, $src}",
1399 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
1400 (implicit EFLAGS)]>;
1402 def XOR8i8 : Ii8 <0x34, RawFrm, (outs), (ins i8imm:$src),
1403 "xor{b}\t{$src, %al|%al, $src}", []>;
1404 def XOR16i16 : Ii16<0x35, RawFrm, (outs), (ins i16imm:$src),
1405 "xor{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
1406 def XOR32i32 : Ii32<0x35, RawFrm, (outs), (ins i32imm:$src),
1407 "xor{l}\t{$src, %eax|%eax, $src}", []>;
1408 } // Constraints = ""
1409 } // Defs = [EFLAGS]
1411 // Shift instructions
1412 let Defs = [EFLAGS] in {
1413 let Uses = [CL] in {
1414 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1),
1415 "shl{b}\t{%cl, $dst|$dst, CL}",
1416 [(set GR8:$dst, (shl GR8:$src1, CL))]>;
1417 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src1),
1418 "shl{w}\t{%cl, $dst|$dst, CL}",
1419 [(set GR16:$dst, (shl GR16:$src1, CL))]>, OpSize;
1420 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src1),
1421 "shl{l}\t{%cl, $dst|$dst, CL}",
1422 [(set GR32:$dst, (shl GR32:$src1, CL))]>;
1425 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1426 "shl{b}\t{$src2, $dst|$dst, $src2}",
1427 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
1429 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1430 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1431 "shl{w}\t{$src2, $dst|$dst, $src2}",
1432 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1433 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1434 "shl{l}\t{$src2, $dst|$dst, $src2}",
1435 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
1437 // NOTE: We don't include patterns for shifts of a register by one, because
1438 // 'add reg,reg' is cheaper.
1440 def SHL8r1 : I<0xD0, MRM4r, (outs GR8:$dst), (ins GR8:$src1),
1441 "shl{b}\t$dst", []>;
1442 def SHL16r1 : I<0xD1, MRM4r, (outs GR16:$dst), (ins GR16:$src1),
1443 "shl{w}\t$dst", []>, OpSize;
1444 def SHL32r1 : I<0xD1, MRM4r, (outs GR32:$dst), (ins GR32:$src1),
1445 "shl{l}\t$dst", []>;
1447 } // isConvertibleToThreeAddress = 1
1449 let Constraints = "" in {
1450 let Uses = [CL] in {
1451 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
1452 "shl{b}\t{%cl, $dst|$dst, CL}",
1453 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
1454 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
1455 "shl{w}\t{%cl, $dst|$dst, CL}",
1456 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1457 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
1458 "shl{l}\t{%cl, $dst|$dst, CL}",
1459 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
1461 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
1462 "shl{b}\t{$src, $dst|$dst, $src}",
1463 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1464 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
1465 "shl{w}\t{$src, $dst|$dst, $src}",
1466 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1468 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
1469 "shl{l}\t{$src, $dst|$dst, $src}",
1470 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1473 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
1475 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1476 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
1478 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1480 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
1482 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1483 } // Constraints = ""
1485 let Uses = [CL] in {
1486 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src1),
1487 "shr{b}\t{%cl, $dst|$dst, CL}",
1488 [(set GR8:$dst, (srl GR8:$src1, CL))]>;
1489 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
1490 "shr{w}\t{%cl, $dst|$dst, CL}",
1491 [(set GR16:$dst, (srl GR16:$src1, CL))]>, OpSize;
1492 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
1493 "shr{l}\t{%cl, $dst|$dst, CL}",
1494 [(set GR32:$dst, (srl GR32:$src1, CL))]>;
1497 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1498 "shr{b}\t{$src2, $dst|$dst, $src2}",
1499 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
1500 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1501 "shr{w}\t{$src2, $dst|$dst, $src2}",
1502 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1503 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1504 "shr{l}\t{$src2, $dst|$dst, $src2}",
1505 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
1508 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
1510 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
1511 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
1513 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
1514 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
1516 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
1518 let Constraints = "" in {
1519 let Uses = [CL] in {
1520 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
1521 "shr{b}\t{%cl, $dst|$dst, CL}",
1522 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
1523 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
1524 "shr{w}\t{%cl, $dst|$dst, CL}",
1525 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
1527 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
1528 "shr{l}\t{%cl, $dst|$dst, CL}",
1529 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
1531 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
1532 "shr{b}\t{$src, $dst|$dst, $src}",
1533 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1534 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
1535 "shr{w}\t{$src, $dst|$dst, $src}",
1536 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1538 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
1539 "shr{l}\t{$src, $dst|$dst, $src}",
1540 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1543 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
1545 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1546 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
1548 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
1549 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
1551 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1552 } // Constraints = ""
1554 let Uses = [CL] in {
1555 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
1556 "sar{b}\t{%cl, $dst|$dst, CL}",
1557 [(set GR8:$dst, (sra GR8:$src1, CL))]>;
1558 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
1559 "sar{w}\t{%cl, $dst|$dst, CL}",
1560 [(set GR16:$dst, (sra GR16:$src1, CL))]>, OpSize;
1561 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
1562 "sar{l}\t{%cl, $dst|$dst, CL}",
1563 [(set GR32:$dst, (sra GR32:$src1, CL))]>;
1566 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1567 "sar{b}\t{$src2, $dst|$dst, $src2}",
1568 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
1569 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1570 "sar{w}\t{$src2, $dst|$dst, $src2}",
1571 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
1573 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1574 "sar{l}\t{$src2, $dst|$dst, $src2}",
1575 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
1578 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
1580 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
1581 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
1583 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
1584 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
1586 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
1588 let Constraints = "" in {
1589 let Uses = [CL] in {
1590 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
1591 "sar{b}\t{%cl, $dst|$dst, CL}",
1592 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
1593 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
1594 "sar{w}\t{%cl, $dst|$dst, CL}",
1595 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1596 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
1597 "sar{l}\t{%cl, $dst|$dst, CL}",
1598 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
1600 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
1601 "sar{b}\t{$src, $dst|$dst, $src}",
1602 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1603 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
1604 "sar{w}\t{$src, $dst|$dst, $src}",
1605 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1607 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
1608 "sar{l}\t{$src, $dst|$dst, $src}",
1609 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1612 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
1614 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1615 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
1617 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1619 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
1621 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1622 } // Constraints = ""
1624 // Rotate instructions
1626 def RCL8r1 : I<0xD0, MRM2r, (outs GR8:$dst), (ins GR8:$src1),
1627 "rcl{b}\t{1, $dst|$dst, 1}", []>;
1628 let Uses = [CL] in {
1629 def RCL8rCL : I<0xD2, MRM2r, (outs GR8:$dst), (ins GR8:$src1),
1630 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
1632 def RCL8ri : Ii8<0xC0, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$cnt),
1633 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
1635 def RCL16r1 : I<0xD1, MRM2r, (outs GR16:$dst), (ins GR16:$src1),
1636 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
1637 let Uses = [CL] in {
1638 def RCL16rCL : I<0xD3, MRM2r, (outs GR16:$dst), (ins GR16:$src1),
1639 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
1641 def RCL16ri : Ii8<0xC1, MRM2r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$cnt),
1642 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
1644 def RCL32r1 : I<0xD1, MRM2r, (outs GR32:$dst), (ins GR32:$src1),
1645 "rcl{l}\t{1, $dst|$dst, 1}", []>;
1646 let Uses = [CL] in {
1647 def RCL32rCL : I<0xD3, MRM2r, (outs GR32:$dst), (ins GR32:$src1),
1648 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
1650 def RCL32ri : Ii8<0xC1, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$cnt),
1651 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
1653 def RCR8r1 : I<0xD0, MRM3r, (outs GR8:$dst), (ins GR8:$src1),
1654 "rcr{b}\t{1, $dst|$dst, 1}", []>;
1655 let Uses = [CL] in {
1656 def RCR8rCL : I<0xD2, MRM3r, (outs GR8:$dst), (ins GR8:$src1),
1657 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
1659 def RCR8ri : Ii8<0xC0, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$cnt),
1660 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
1662 def RCR16r1 : I<0xD1, MRM3r, (outs GR16:$dst), (ins GR16:$src1),
1663 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
1664 let Uses = [CL] in {
1665 def RCR16rCL : I<0xD3, MRM3r, (outs GR16:$dst), (ins GR16:$src1),
1666 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
1668 def RCR16ri : Ii8<0xC1, MRM3r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$cnt),
1669 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
1671 def RCR32r1 : I<0xD1, MRM3r, (outs GR32:$dst), (ins GR32:$src1),
1672 "rcr{l}\t{1, $dst|$dst, 1}", []>;
1673 let Uses = [CL] in {
1674 def RCR32rCL : I<0xD3, MRM3r, (outs GR32:$dst), (ins GR32:$src1),
1675 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
1677 def RCR32ri : Ii8<0xC1, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$cnt),
1678 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
1680 let Constraints = "" in {
1681 def RCL8m1 : I<0xD0, MRM2m, (outs), (ins i8mem:$dst),
1682 "rcl{b}\t{1, $dst|$dst, 1}", []>;
1683 def RCL8mi : Ii8<0xC0, MRM2m, (outs), (ins i8mem:$dst, i8imm:$cnt),
1684 "rcl{b}\t{$cnt, $dst|$dst, $cnt}", []>;
1685 def RCL16m1 : I<0xD1, MRM2m, (outs), (ins i16mem:$dst),
1686 "rcl{w}\t{1, $dst|$dst, 1}", []>, OpSize;
1687 def RCL16mi : Ii8<0xC1, MRM2m, (outs), (ins i16mem:$dst, i8imm:$cnt),
1688 "rcl{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
1689 def RCL32m1 : I<0xD1, MRM2m, (outs), (ins i32mem:$dst),
1690 "rcl{l}\t{1, $dst|$dst, 1}", []>;
1691 def RCL32mi : Ii8<0xC1, MRM2m, (outs), (ins i32mem:$dst, i8imm:$cnt),
1692 "rcl{l}\t{$cnt, $dst|$dst, $cnt}", []>;
1693 def RCR8m1 : I<0xD0, MRM3m, (outs), (ins i8mem:$dst),
1694 "rcr{b}\t{1, $dst|$dst, 1}", []>;
1695 def RCR8mi : Ii8<0xC0, MRM3m, (outs), (ins i8mem:$dst, i8imm:$cnt),
1696 "rcr{b}\t{$cnt, $dst|$dst, $cnt}", []>;
1697 def RCR16m1 : I<0xD1, MRM3m, (outs), (ins i16mem:$dst),
1698 "rcr{w}\t{1, $dst|$dst, 1}", []>, OpSize;
1699 def RCR16mi : Ii8<0xC1, MRM3m, (outs), (ins i16mem:$dst, i8imm:$cnt),
1700 "rcr{w}\t{$cnt, $dst|$dst, $cnt}", []>, OpSize;
1701 def RCR32m1 : I<0xD1, MRM3m, (outs), (ins i32mem:$dst),
1702 "rcr{l}\t{1, $dst|$dst, 1}", []>;
1703 def RCR32mi : Ii8<0xC1, MRM3m, (outs), (ins i32mem:$dst, i8imm:$cnt),
1704 "rcr{l}\t{$cnt, $dst|$dst, $cnt}", []>;
1706 let Uses = [CL] in {
1707 def RCL8mCL : I<0xD2, MRM2m, (outs), (ins i8mem:$dst),
1708 "rcl{b}\t{%cl, $dst|$dst, CL}", []>;
1709 def RCL16mCL : I<0xD3, MRM2m, (outs), (ins i16mem:$dst),
1710 "rcl{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
1711 def RCL32mCL : I<0xD3, MRM2m, (outs), (ins i32mem:$dst),
1712 "rcl{l}\t{%cl, $dst|$dst, CL}", []>;
1713 def RCR8mCL : I<0xD2, MRM3m, (outs), (ins i8mem:$dst),
1714 "rcr{b}\t{%cl, $dst|$dst, CL}", []>;
1715 def RCR16mCL : I<0xD3, MRM3m, (outs), (ins i16mem:$dst),
1716 "rcr{w}\t{%cl, $dst|$dst, CL}", []>, OpSize;
1717 def RCR32mCL : I<0xD3, MRM3m, (outs), (ins i32mem:$dst),
1718 "rcr{l}\t{%cl, $dst|$dst, CL}", []>;
1720 } // Constraints = ""
1722 // FIXME: provide shorter instructions when imm8 == 1
1723 let Uses = [CL] in {
1724 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
1725 "rol{b}\t{%cl, $dst|$dst, CL}",
1726 [(set GR8:$dst, (rotl GR8:$src1, CL))]>;
1727 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
1728 "rol{w}\t{%cl, $dst|$dst, CL}",
1729 [(set GR16:$dst, (rotl GR16:$src1, CL))]>, OpSize;
1730 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
1731 "rol{l}\t{%cl, $dst|$dst, CL}",
1732 [(set GR32:$dst, (rotl GR32:$src1, CL))]>;
1735 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1736 "rol{b}\t{$src2, $dst|$dst, $src2}",
1737 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
1738 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1739 "rol{w}\t{$src2, $dst|$dst, $src2}",
1740 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>,
1742 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1743 "rol{l}\t{$src2, $dst|$dst, $src2}",
1744 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
1747 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
1749 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
1750 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
1752 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
1753 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
1755 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
1757 let Constraints = "" in {
1758 let Uses = [CL] in {
1759 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
1760 "rol{b}\t{%cl, $dst|$dst, CL}",
1761 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
1762 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
1763 "rol{w}\t{%cl, $dst|$dst, CL}",
1764 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1765 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
1766 "rol{l}\t{%cl, $dst|$dst, CL}",
1767 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
1769 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
1770 "rol{b}\t{$src, $dst|$dst, $src}",
1771 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1772 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
1773 "rol{w}\t{$src, $dst|$dst, $src}",
1774 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1776 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
1777 "rol{l}\t{$src, $dst|$dst, $src}",
1778 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1781 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
1783 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1784 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
1786 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1788 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
1790 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1791 } // Constraints = ""
1793 let Uses = [CL] in {
1794 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
1795 "ror{b}\t{%cl, $dst|$dst, CL}",
1796 [(set GR8:$dst, (rotr GR8:$src1, CL))]>;
1797 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
1798 "ror{w}\t{%cl, $dst|$dst, CL}",
1799 [(set GR16:$dst, (rotr GR16:$src1, CL))]>, OpSize;
1800 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
1801 "ror{l}\t{%cl, $dst|$dst, CL}",
1802 [(set GR32:$dst, (rotr GR32:$src1, CL))]>;
1805 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1806 "ror{b}\t{$src2, $dst|$dst, $src2}",
1807 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
1808 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1809 "ror{w}\t{$src2, $dst|$dst, $src2}",
1810 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>,
1812 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1813 "ror{l}\t{$src2, $dst|$dst, $src2}",
1814 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
1817 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
1819 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
1820 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
1822 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
1823 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
1825 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
1827 let Constraints = "" in {
1828 let Uses = [CL] in {
1829 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
1830 "ror{b}\t{%cl, $dst|$dst, CL}",
1831 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
1832 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
1833 "ror{w}\t{%cl, $dst|$dst, CL}",
1834 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1835 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
1836 "ror{l}\t{%cl, $dst|$dst, CL}",
1837 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
1839 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1840 "ror{b}\t{$src, $dst|$dst, $src}",
1841 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1842 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
1843 "ror{w}\t{$src, $dst|$dst, $src}",
1844 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1846 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
1847 "ror{l}\t{$src, $dst|$dst, $src}",
1848 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1851 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
1853 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1854 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
1856 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1858 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
1860 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1861 } // Constraints = ""
1864 // Double shift instructions (generalizations of rotate)
1865 let Uses = [CL] in {
1866 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst),
1867 (ins GR32:$src1, GR32:$src2),
1868 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
1869 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
1870 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst),
1871 (ins GR32:$src1, GR32:$src2),
1872 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
1873 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
1874 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst),
1875 (ins GR16:$src1, GR16:$src2),
1876 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
1877 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
1879 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst),
1880 (ins GR16:$src1, GR16:$src2),
1881 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
1882 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
1886 let isCommutable = 1 in { // These instructions commute to each other.
1887 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
1889 (ins GR32:$src1, GR32:$src2, i8imm:$src3),
1890 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1891 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
1894 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
1896 (ins GR32:$src1, GR32:$src2, i8imm:$src3),
1897 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1898 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
1901 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
1903 (ins GR16:$src1, GR16:$src2, i8imm:$src3),
1904 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1905 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
1908 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
1910 (ins GR16:$src1, GR16:$src2, i8imm:$src3),
1911 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1912 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
1917 let Constraints = "" in {
1918 let Uses = [CL] in {
1919 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
1920 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
1921 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
1923 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
1924 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, CL}",
1925 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
1928 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
1929 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
1930 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1931 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
1932 (i8 imm:$src3)), addr:$dst)]>,
1934 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
1935 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
1936 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1937 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
1938 (i8 imm:$src3)), addr:$dst)]>,
1941 let Uses = [CL] in {
1942 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
1943 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
1944 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
1945 addr:$dst)]>, TB, OpSize;
1946 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
1947 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, CL}",
1948 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
1949 addr:$dst)]>, TB, OpSize;
1951 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
1952 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
1953 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1954 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
1955 (i8 imm:$src3)), addr:$dst)]>,
1957 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
1958 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
1959 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1960 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
1961 (i8 imm:$src3)), addr:$dst)]>,
1963 } // Constraints = ""
1964 } // Defs = [EFLAGS]
1968 let Defs = [EFLAGS] in {
1969 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
1970 // Register-Register Addition
1971 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
1972 (ins GR8 :$src1, GR8 :$src2),
1973 "add{b}\t{$src2, $dst|$dst, $src2}",
1974 [(set GR8:$dst, EFLAGS, (X86add_flag GR8:$src1, GR8:$src2))]>;
1976 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1977 // Register-Register Addition
1978 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
1979 (ins GR16:$src1, GR16:$src2),
1980 "add{w}\t{$src2, $dst|$dst, $src2}",
1981 [(set GR16:$dst, EFLAGS, (X86add_flag GR16:$src1,
1982 GR16:$src2))]>, OpSize;
1983 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
1984 (ins GR32:$src1, GR32:$src2),
1985 "add{l}\t{$src2, $dst|$dst, $src2}",
1986 [(set GR32:$dst, EFLAGS, (X86add_flag GR32:$src1,
1988 } // end isConvertibleToThreeAddress
1989 } // end isCommutable
1991 // These are alternate spellings for use by the disassembler, we mark them as
1992 // code gen only to ensure they aren't matched by the assembler.
1993 let isCodeGenOnly = 1 in {
1994 def ADD8rr_alt: I<0x02, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
1995 "add{b}\t{$src2, $dst|$dst, $src2}", []>;
1996 def ADD16rr_alt: I<0x03, MRMSrcReg,(outs GR16:$dst),(ins GR16:$src1, GR16:$src2),
1997 "add{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
1998 def ADD32rr_alt: I<0x03, MRMSrcReg,(outs GR32:$dst),(ins GR32:$src1, GR32:$src2),
1999 "add{l}\t{$src2, $dst|$dst, $src2}", []>;
2002 // Register-Memory Addition
2003 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
2004 (ins GR8 :$src1, i8mem :$src2),
2005 "add{b}\t{$src2, $dst|$dst, $src2}",
2006 [(set GR8:$dst, EFLAGS, (X86add_flag GR8:$src1,
2007 (load addr:$src2)))]>;
2008 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
2009 (ins GR16:$src1, i16mem:$src2),
2010 "add{w}\t{$src2, $dst|$dst, $src2}",
2011 [(set GR16:$dst, EFLAGS, (X86add_flag GR16:$src1,
2012 (load addr:$src2)))]>, OpSize;
2013 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
2014 (ins GR32:$src1, i32mem:$src2),
2015 "add{l}\t{$src2, $dst|$dst, $src2}",
2016 [(set GR32:$dst, EFLAGS, (X86add_flag GR32:$src1,
2017 (load addr:$src2)))]>;
2019 // Register-Integer Addition
2020 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2021 "add{b}\t{$src2, $dst|$dst, $src2}",
2022 [(set GR8:$dst, EFLAGS,
2023 (X86add_flag GR8:$src1, imm:$src2))]>;
2025 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2026 // Register-Integer Addition
2027 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
2028 (ins GR16:$src1, i16imm:$src2),
2029 "add{w}\t{$src2, $dst|$dst, $src2}",
2030 [(set GR16:$dst, EFLAGS,
2031 (X86add_flag GR16:$src1, imm:$src2))]>, OpSize;
2032 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2033 (ins GR32:$src1, i32imm:$src2),
2034 "add{l}\t{$src2, $dst|$dst, $src2}",
2035 [(set GR32:$dst, EFLAGS,
2036 (X86add_flag GR32:$src1, imm:$src2))]>;
2037 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2038 (ins GR16:$src1, i16i8imm:$src2),
2039 "add{w}\t{$src2, $dst|$dst, $src2}",
2040 [(set GR16:$dst, EFLAGS,
2041 (X86add_flag GR16:$src1, i16immSExt8:$src2))]>, OpSize;
2042 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2043 (ins GR32:$src1, i32i8imm:$src2),
2044 "add{l}\t{$src2, $dst|$dst, $src2}",
2045 [(set GR32:$dst, EFLAGS,
2046 (X86add_flag GR32:$src1, i32immSExt8:$src2))]>;
2049 let Constraints = "" in {
2050 // Memory-Register Addition
2051 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2052 "add{b}\t{$src2, $dst|$dst, $src2}",
2053 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2054 (implicit EFLAGS)]>;
2055 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2056 "add{w}\t{$src2, $dst|$dst, $src2}",
2057 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2058 (implicit EFLAGS)]>, OpSize;
2059 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2060 "add{l}\t{$src2, $dst|$dst, $src2}",
2061 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2062 (implicit EFLAGS)]>;
2063 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2064 "add{b}\t{$src2, $dst|$dst, $src2}",
2065 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2066 (implicit EFLAGS)]>;
2067 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2068 "add{w}\t{$src2, $dst|$dst, $src2}",
2069 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2070 (implicit EFLAGS)]>, OpSize;
2071 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2072 "add{l}\t{$src2, $dst|$dst, $src2}",
2073 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2074 (implicit EFLAGS)]>;
2075 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2076 "add{w}\t{$src2, $dst|$dst, $src2}",
2077 [(store (add (load addr:$dst), i16immSExt8:$src2),
2079 (implicit EFLAGS)]>, OpSize;
2080 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2081 "add{l}\t{$src2, $dst|$dst, $src2}",
2082 [(store (add (load addr:$dst), i32immSExt8:$src2),
2084 (implicit EFLAGS)]>;
2087 def ADD8i8 : Ii8<0x04, RawFrm, (outs), (ins i8imm:$src),
2088 "add{b}\t{$src, %al|%al, $src}", []>;
2089 def ADD16i16 : Ii16<0x05, RawFrm, (outs), (ins i16imm:$src),
2090 "add{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2091 def ADD32i32 : Ii32<0x05, RawFrm, (outs), (ins i32imm:$src),
2092 "add{l}\t{$src, %eax|%eax, $src}", []>;
2093 } // Constraints = ""
2095 let Uses = [EFLAGS] in {
2096 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2097 def ADC8rr : I<0x10, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2098 "adc{b}\t{$src2, $dst|$dst, $src2}",
2099 [(set GR8:$dst, (adde GR8:$src1, GR8:$src2))]>;
2100 def ADC16rr : I<0x11, MRMDestReg, (outs GR16:$dst),
2101 (ins GR16:$src1, GR16:$src2),
2102 "adc{w}\t{$src2, $dst|$dst, $src2}",
2103 [(set GR16:$dst, (adde GR16:$src1, GR16:$src2))]>, OpSize;
2104 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst),
2105 (ins GR32:$src1, GR32:$src2),
2106 "adc{l}\t{$src2, $dst|$dst, $src2}",
2107 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2110 let isCodeGenOnly = 1 in {
2111 def ADC8rr_REV : I<0x12, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2112 "adc{b}\t{$src2, $dst|$dst, $src2}", []>;
2113 def ADC16rr_REV : I<0x13, MRMSrcReg, (outs GR16:$dst),
2114 (ins GR16:$src1, GR16:$src2),
2115 "adc{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2116 def ADC32rr_REV : I<0x13, MRMSrcReg, (outs GR32:$dst),
2117 (ins GR32:$src1, GR32:$src2),
2118 "adc{l}\t{$src2, $dst|$dst, $src2}", []>;
2121 def ADC8rm : I<0x12, MRMSrcMem , (outs GR8:$dst),
2122 (ins GR8:$src1, i8mem:$src2),
2123 "adc{b}\t{$src2, $dst|$dst, $src2}",
2124 [(set GR8:$dst, (adde GR8:$src1, (load addr:$src2)))]>;
2125 def ADC16rm : I<0x13, MRMSrcMem , (outs GR16:$dst),
2126 (ins GR16:$src1, i16mem:$src2),
2127 "adc{w}\t{$src2, $dst|$dst, $src2}",
2128 [(set GR16:$dst, (adde GR16:$src1, (load addr:$src2)))]>,
2130 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst),
2131 (ins GR32:$src1, i32mem:$src2),
2132 "adc{l}\t{$src2, $dst|$dst, $src2}",
2133 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2134 def ADC8ri : Ii8<0x80, MRM2r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2135 "adc{b}\t{$src2, $dst|$dst, $src2}",
2136 [(set GR8:$dst, (adde GR8:$src1, imm:$src2))]>;
2137 def ADC16ri : Ii16<0x81, MRM2r, (outs GR16:$dst),
2138 (ins GR16:$src1, i16imm:$src2),
2139 "adc{w}\t{$src2, $dst|$dst, $src2}",
2140 [(set GR16:$dst, (adde GR16:$src1, imm:$src2))]>, OpSize;
2141 def ADC16ri8 : Ii8<0x83, MRM2r, (outs GR16:$dst),
2142 (ins GR16:$src1, i16i8imm:$src2),
2143 "adc{w}\t{$src2, $dst|$dst, $src2}",
2144 [(set GR16:$dst, (adde GR16:$src1, i16immSExt8:$src2))]>,
2146 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst),
2147 (ins GR32:$src1, i32imm:$src2),
2148 "adc{l}\t{$src2, $dst|$dst, $src2}",
2149 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2150 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst),
2151 (ins GR32:$src1, i32i8imm:$src2),
2152 "adc{l}\t{$src2, $dst|$dst, $src2}",
2153 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2155 let Constraints = "" in {
2156 def ADC8mr : I<0x10, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2157 "adc{b}\t{$src2, $dst|$dst, $src2}",
2158 [(store (adde (load addr:$dst), GR8:$src2), addr:$dst)]>;
2159 def ADC16mr : I<0x11, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2160 "adc{w}\t{$src2, $dst|$dst, $src2}",
2161 [(store (adde (load addr:$dst), GR16:$src2), addr:$dst)]>,
2163 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2164 "adc{l}\t{$src2, $dst|$dst, $src2}",
2165 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2166 def ADC8mi : Ii8<0x80, MRM2m, (outs), (ins i8mem:$dst, i8imm:$src2),
2167 "adc{b}\t{$src2, $dst|$dst, $src2}",
2168 [(store (adde (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2169 def ADC16mi : Ii16<0x81, MRM2m, (outs), (ins i16mem:$dst, i16imm:$src2),
2170 "adc{w}\t{$src2, $dst|$dst, $src2}",
2171 [(store (adde (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2173 def ADC16mi8 : Ii8<0x83, MRM2m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2174 "adc{w}\t{$src2, $dst|$dst, $src2}",
2175 [(store (adde (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2177 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2178 "adc{l}\t{$src2, $dst|$dst, $src2}",
2179 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2180 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2181 "adc{l}\t{$src2, $dst|$dst, $src2}",
2182 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2184 def ADC8i8 : Ii8<0x14, RawFrm, (outs), (ins i8imm:$src),
2185 "adc{b}\t{$src, %al|%al, $src}", []>;
2186 def ADC16i16 : Ii16<0x15, RawFrm, (outs), (ins i16imm:$src),
2187 "adc{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2188 def ADC32i32 : Ii32<0x15, RawFrm, (outs), (ins i32imm:$src),
2189 "adc{l}\t{$src, %eax|%eax, $src}", []>;
2190 } // Constraints = ""
2191 } // Uses = [EFLAGS]
2193 // Register-Register Subtraction
2194 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2195 "sub{b}\t{$src2, $dst|$dst, $src2}",
2196 [(set GR8:$dst, EFLAGS,
2197 (X86sub_flag GR8:$src1, GR8:$src2))]>;
2198 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2199 "sub{w}\t{$src2, $dst|$dst, $src2}",
2200 [(set GR16:$dst, EFLAGS,
2201 (X86sub_flag GR16:$src1, GR16:$src2))]>, OpSize;
2202 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2203 "sub{l}\t{$src2, $dst|$dst, $src2}",
2204 [(set GR32:$dst, EFLAGS,
2205 (X86sub_flag GR32:$src1, GR32:$src2))]>;
2207 let isCodeGenOnly = 1 in {
2208 def SUB8rr_REV : I<0x2A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2209 "sub{b}\t{$src2, $dst|$dst, $src2}", []>;
2210 def SUB16rr_REV : I<0x2B, MRMSrcReg, (outs GR16:$dst),
2211 (ins GR16:$src1, GR16:$src2),
2212 "sub{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2213 def SUB32rr_REV : I<0x2B, MRMSrcReg, (outs GR32:$dst),
2214 (ins GR32:$src1, GR32:$src2),
2215 "sub{l}\t{$src2, $dst|$dst, $src2}", []>;
2218 // Register-Memory Subtraction
2219 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
2220 (ins GR8 :$src1, i8mem :$src2),
2221 "sub{b}\t{$src2, $dst|$dst, $src2}",
2222 [(set GR8:$dst, EFLAGS,
2223 (X86sub_flag GR8:$src1, (load addr:$src2)))]>;
2224 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
2225 (ins GR16:$src1, i16mem:$src2),
2226 "sub{w}\t{$src2, $dst|$dst, $src2}",
2227 [(set GR16:$dst, EFLAGS,
2228 (X86sub_flag GR16:$src1, (load addr:$src2)))]>, OpSize;
2229 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
2230 (ins GR32:$src1, i32mem:$src2),
2231 "sub{l}\t{$src2, $dst|$dst, $src2}",
2232 [(set GR32:$dst, EFLAGS,
2233 (X86sub_flag GR32:$src1, (load addr:$src2)))]>;
2235 // Register-Integer Subtraction
2236 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
2237 (ins GR8:$src1, i8imm:$src2),
2238 "sub{b}\t{$src2, $dst|$dst, $src2}",
2239 [(set GR8:$dst, EFLAGS,
2240 (X86sub_flag GR8:$src1, imm:$src2))]>;
2241 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
2242 (ins GR16:$src1, i16imm:$src2),
2243 "sub{w}\t{$src2, $dst|$dst, $src2}",
2244 [(set GR16:$dst, EFLAGS,
2245 (X86sub_flag GR16:$src1, imm:$src2))]>, OpSize;
2246 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
2247 (ins GR32:$src1, i32imm:$src2),
2248 "sub{l}\t{$src2, $dst|$dst, $src2}",
2249 [(set GR32:$dst, EFLAGS,
2250 (X86sub_flag GR32:$src1, imm:$src2))]>;
2251 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
2252 (ins GR16:$src1, i16i8imm:$src2),
2253 "sub{w}\t{$src2, $dst|$dst, $src2}",
2254 [(set GR16:$dst, EFLAGS,
2255 (X86sub_flag GR16:$src1, i16immSExt8:$src2))]>, OpSize;
2256 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
2257 (ins GR32:$src1, i32i8imm:$src2),
2258 "sub{l}\t{$src2, $dst|$dst, $src2}",
2259 [(set GR32:$dst, EFLAGS,
2260 (X86sub_flag GR32:$src1, i32immSExt8:$src2))]>;
2262 let Constraints = "" in {
2263 // Memory-Register Subtraction
2264 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
2265 "sub{b}\t{$src2, $dst|$dst, $src2}",
2266 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
2267 (implicit EFLAGS)]>;
2268 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2269 "sub{w}\t{$src2, $dst|$dst, $src2}",
2270 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
2271 (implicit EFLAGS)]>, OpSize;
2272 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2273 "sub{l}\t{$src2, $dst|$dst, $src2}",
2274 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
2275 (implicit EFLAGS)]>;
2277 // Memory-Integer Subtraction
2278 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
2279 "sub{b}\t{$src2, $dst|$dst, $src2}",
2280 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
2281 (implicit EFLAGS)]>;
2282 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
2283 "sub{w}\t{$src2, $dst|$dst, $src2}",
2284 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
2285 (implicit EFLAGS)]>, OpSize;
2286 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
2287 "sub{l}\t{$src2, $dst|$dst, $src2}",
2288 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
2289 (implicit EFLAGS)]>;
2290 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2291 "sub{w}\t{$src2, $dst|$dst, $src2}",
2292 [(store (sub (load addr:$dst), i16immSExt8:$src2),
2294 (implicit EFLAGS)]>, OpSize;
2295 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2296 "sub{l}\t{$src2, $dst|$dst, $src2}",
2297 [(store (sub (load addr:$dst), i32immSExt8:$src2),
2299 (implicit EFLAGS)]>;
2301 def SUB8i8 : Ii8<0x2C, RawFrm, (outs), (ins i8imm:$src),
2302 "sub{b}\t{$src, %al|%al, $src}", []>;
2303 def SUB16i16 : Ii16<0x2D, RawFrm, (outs), (ins i16imm:$src),
2304 "sub{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2305 def SUB32i32 : Ii32<0x2D, RawFrm, (outs), (ins i32imm:$src),
2306 "sub{l}\t{$src, %eax|%eax, $src}", []>;
2307 } // Constraints = ""
2309 let Uses = [EFLAGS] in {
2310 def SBB8rr : I<0x18, MRMDestReg, (outs GR8:$dst),
2311 (ins GR8:$src1, GR8:$src2),
2312 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2313 [(set GR8:$dst, (sube GR8:$src1, GR8:$src2))]>;
2314 def SBB16rr : I<0x19, MRMDestReg, (outs GR16:$dst),
2315 (ins GR16:$src1, GR16:$src2),
2316 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2317 [(set GR16:$dst, (sube GR16:$src1, GR16:$src2))]>, OpSize;
2318 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst),
2319 (ins GR32:$src1, GR32:$src2),
2320 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2321 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
2323 let Constraints = "" in {
2324 def SBB8mr : I<0x18, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2325 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2326 [(store (sube (load addr:$dst), GR8:$src2), addr:$dst)]>;
2327 def SBB16mr : I<0x19, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2328 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2329 [(store (sube (load addr:$dst), GR16:$src2), addr:$dst)]>,
2331 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2332 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2333 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
2334 def SBB8mi : Ii8<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
2335 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2336 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2337 def SBB16mi : Ii16<0x81, MRM3m, (outs), (ins i16mem:$dst, i16imm:$src2),
2338 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2339 [(store (sube (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
2341 def SBB16mi8 : Ii8<0x83, MRM3m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2342 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2343 [(store (sube (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
2345 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
2346 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2347 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2348 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2349 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2350 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2352 def SBB8i8 : Ii8<0x1C, RawFrm, (outs), (ins i8imm:$src),
2353 "sbb{b}\t{$src, %al|%al, $src}", []>;
2354 def SBB16i16 : Ii16<0x1D, RawFrm, (outs), (ins i16imm:$src),
2355 "sbb{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2356 def SBB32i32 : Ii32<0x1D, RawFrm, (outs), (ins i32imm:$src),
2357 "sbb{l}\t{$src, %eax|%eax, $src}", []>;
2358 } // Constraints = ""
2360 let isCodeGenOnly = 1 in {
2361 def SBB8rr_REV : I<0x1A, MRMSrcReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2362 "sbb{b}\t{$src2, $dst|$dst, $src2}", []>;
2363 def SBB16rr_REV : I<0x1B, MRMSrcReg, (outs GR16:$dst),
2364 (ins GR16:$src1, GR16:$src2),
2365 "sbb{w}\t{$src2, $dst|$dst, $src2}", []>, OpSize;
2366 def SBB32rr_REV : I<0x1B, MRMSrcReg, (outs GR32:$dst),
2367 (ins GR32:$src1, GR32:$src2),
2368 "sbb{l}\t{$src2, $dst|$dst, $src2}", []>;
2371 def SBB8rm : I<0x1A, MRMSrcMem, (outs GR8:$dst), (ins GR8:$src1, i8mem:$src2),
2372 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2373 [(set GR8:$dst, (sube GR8:$src1, (load addr:$src2)))]>;
2374 def SBB16rm : I<0x1B, MRMSrcMem, (outs GR16:$dst),
2375 (ins GR16:$src1, i16mem:$src2),
2376 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2377 [(set GR16:$dst, (sube GR16:$src1, (load addr:$src2)))]>,
2379 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst),
2380 (ins GR32:$src1, i32mem:$src2),
2381 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2382 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
2383 def SBB8ri : Ii8<0x80, MRM3r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2384 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2385 [(set GR8:$dst, (sube GR8:$src1, imm:$src2))]>;
2386 def SBB16ri : Ii16<0x81, MRM3r, (outs GR16:$dst),
2387 (ins GR16:$src1, i16imm:$src2),
2388 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2389 [(set GR16:$dst, (sube GR16:$src1, imm:$src2))]>, OpSize;
2390 def SBB16ri8 : Ii8<0x83, MRM3r, (outs GR16:$dst),
2391 (ins GR16:$src1, i16i8imm:$src2),
2392 "sbb{w}\t{$src2, $dst|$dst, $src2}",
2393 [(set GR16:$dst, (sube GR16:$src1, i16immSExt8:$src2))]>,
2395 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst),
2396 (ins GR32:$src1, i32imm:$src2),
2397 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2398 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
2399 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst),
2400 (ins GR32:$src1, i32i8imm:$src2),
2401 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2402 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
2403 } // Uses = [EFLAGS]
2404 } // Defs = [EFLAGS]
2406 let Defs = [EFLAGS] in {
2407 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
2408 // Register-Register Signed Integer Multiply
2409 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2410 "imul{w}\t{$src2, $dst|$dst, $src2}",
2411 [(set GR16:$dst, EFLAGS,
2412 (X86smul_flag GR16:$src1, GR16:$src2))]>, TB, OpSize;
2413 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2414 "imul{l}\t{$src2, $dst|$dst, $src2}",
2415 [(set GR32:$dst, EFLAGS,
2416 (X86smul_flag GR32:$src1, GR32:$src2))]>, TB;
2419 // Register-Memory Signed Integer Multiply
2420 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
2421 (ins GR16:$src1, i16mem:$src2),
2422 "imul{w}\t{$src2, $dst|$dst, $src2}",
2423 [(set GR16:$dst, EFLAGS,
2424 (X86smul_flag GR16:$src1, (load addr:$src2)))]>,
2426 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst),
2427 (ins GR32:$src1, i32mem:$src2),
2428 "imul{l}\t{$src2, $dst|$dst, $src2}",
2429 [(set GR32:$dst, EFLAGS,
2430 (X86smul_flag GR32:$src1, (load addr:$src2)))]>, TB;
2431 } // Defs = [EFLAGS]
2432 } // end Two Address instructions
2434 // Suprisingly enough, these are not two address instructions!
2435 let Defs = [EFLAGS] in {
2436 // Register-Integer Signed Integer Multiply
2437 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
2438 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2439 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2440 [(set GR16:$dst, EFLAGS,
2441 (X86smul_flag GR16:$src1, imm:$src2))]>, OpSize;
2442 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
2443 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2444 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2445 [(set GR32:$dst, EFLAGS,
2446 (X86smul_flag GR32:$src1, imm:$src2))]>;
2447 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
2448 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2449 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2450 [(set GR16:$dst, EFLAGS,
2451 (X86smul_flag GR16:$src1, i16immSExt8:$src2))]>,
2453 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
2454 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2455 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2456 [(set GR32:$dst, EFLAGS,
2457 (X86smul_flag GR32:$src1, i32immSExt8:$src2))]>;
2459 // Memory-Integer Signed Integer Multiply
2460 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
2461 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
2462 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2463 [(set GR16:$dst, EFLAGS,
2464 (X86smul_flag (load addr:$src1), imm:$src2))]>,
2466 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
2467 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
2468 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2469 [(set GR32:$dst, EFLAGS,
2470 (X86smul_flag (load addr:$src1), imm:$src2))]>;
2471 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
2472 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
2473 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2474 [(set GR16:$dst, EFLAGS,
2475 (X86smul_flag (load addr:$src1),
2476 i16immSExt8:$src2))]>, OpSize;
2477 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
2478 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
2479 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2480 [(set GR32:$dst, EFLAGS,
2481 (X86smul_flag (load addr:$src1),
2482 i32immSExt8:$src2))]>;
2483 } // Defs = [EFLAGS]
2485 //===----------------------------------------------------------------------===//
2486 // Test instructions are just like AND, except they don't generate a result.
2488 let Defs = [EFLAGS] in {
2489 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
2490 def TEST8rr : I<0x84, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
2491 "test{b}\t{$src2, $src1|$src1, $src2}",
2492 [(set EFLAGS, (X86cmp (and_su GR8:$src1, GR8:$src2), 0))]>;
2493 def TEST16rr : I<0x85, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
2494 "test{w}\t{$src2, $src1|$src1, $src2}",
2495 [(set EFLAGS, (X86cmp (and_su GR16:$src1, GR16:$src2),
2498 def TEST32rr : I<0x85, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
2499 "test{l}\t{$src2, $src1|$src1, $src2}",
2500 [(set EFLAGS, (X86cmp (and_su GR32:$src1, GR32:$src2),
2504 def TEST8i8 : Ii8<0xA8, RawFrm, (outs), (ins i8imm:$src),
2505 "test{b}\t{$src, %al|%al, $src}", []>;
2506 def TEST16i16 : Ii16<0xA9, RawFrm, (outs), (ins i16imm:$src),
2507 "test{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2508 def TEST32i32 : Ii32<0xA9, RawFrm, (outs), (ins i32imm:$src),
2509 "test{l}\t{$src, %eax|%eax, $src}", []>;
2511 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
2512 "test{b}\t{$src2, $src1|$src1, $src2}",
2513 [(set EFLAGS, (X86cmp (and GR8:$src1, (loadi8 addr:$src2)),
2515 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
2516 "test{w}\t{$src2, $src1|$src1, $src2}",
2517 [(set EFLAGS, (X86cmp (and GR16:$src1,
2518 (loadi16 addr:$src2)), 0))]>, OpSize;
2519 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
2520 "test{l}\t{$src2, $src1|$src1, $src2}",
2521 [(set EFLAGS, (X86cmp (and GR32:$src1,
2522 (loadi32 addr:$src2)), 0))]>;
2524 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
2525 (outs), (ins GR8:$src1, i8imm:$src2),
2526 "test{b}\t{$src2, $src1|$src1, $src2}",
2527 [(set EFLAGS, (X86cmp (and_su GR8:$src1, imm:$src2), 0))]>;
2528 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
2529 (outs), (ins GR16:$src1, i16imm:$src2),
2530 "test{w}\t{$src2, $src1|$src1, $src2}",
2531 [(set EFLAGS, (X86cmp (and_su GR16:$src1, imm:$src2), 0))]>,
2533 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
2534 (outs), (ins GR32:$src1, i32imm:$src2),
2535 "test{l}\t{$src2, $src1|$src1, $src2}",
2536 [(set EFLAGS, (X86cmp (and_su GR32:$src1, imm:$src2), 0))]>;
2538 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
2539 (outs), (ins i8mem:$src1, i8imm:$src2),
2540 "test{b}\t{$src2, $src1|$src1, $src2}",
2541 [(set EFLAGS, (X86cmp (and (loadi8 addr:$src1), imm:$src2),
2543 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
2544 (outs), (ins i16mem:$src1, i16imm:$src2),
2545 "test{w}\t{$src2, $src1|$src1, $src2}",
2546 [(set EFLAGS, (X86cmp (and (loadi16 addr:$src1), imm:$src2),
2548 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2549 (outs), (ins i32mem:$src1, i32imm:$src2),
2550 "test{l}\t{$src2, $src1|$src1, $src2}",
2551 [(set EFLAGS, (X86cmp (and (loadi32 addr:$src1), imm:$src2),
2553 } // Defs = [EFLAGS]
2556 // Condition code ops, incl. set if equal/not equal/...
2557 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
2558 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
2559 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
2560 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
2562 // Integer comparisons
2563 let Defs = [EFLAGS] in {
2564 def CMP8i8 : Ii8<0x3C, RawFrm, (outs), (ins i8imm:$src),
2565 "cmp{b}\t{$src, %al|%al, $src}", []>;
2566 def CMP16i16 : Ii16<0x3D, RawFrm, (outs), (ins i16imm:$src),
2567 "cmp{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2568 def CMP32i32 : Ii32<0x3D, RawFrm, (outs), (ins i32imm:$src),
2569 "cmp{l}\t{$src, %eax|%eax, $src}", []>;
2571 def CMP8rr : I<0x38, MRMDestReg,
2572 (outs), (ins GR8 :$src1, GR8 :$src2),
2573 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2574 [(set EFLAGS, (X86cmp GR8:$src1, GR8:$src2))]>;
2575 def CMP16rr : I<0x39, MRMDestReg,
2576 (outs), (ins GR16:$src1, GR16:$src2),
2577 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2578 [(set EFLAGS, (X86cmp GR16:$src1, GR16:$src2))]>, OpSize;
2579 def CMP32rr : I<0x39, MRMDestReg,
2580 (outs), (ins GR32:$src1, GR32:$src2),
2581 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2582 [(set EFLAGS, (X86cmp GR32:$src1, GR32:$src2))]>;
2583 def CMP8mr : I<0x38, MRMDestMem,
2584 (outs), (ins i8mem :$src1, GR8 :$src2),
2585 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2586 [(set EFLAGS, (X86cmp (loadi8 addr:$src1), GR8:$src2))]>;
2587 def CMP16mr : I<0x39, MRMDestMem,
2588 (outs), (ins i16mem:$src1, GR16:$src2),
2589 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2590 [(set EFLAGS, (X86cmp (loadi16 addr:$src1), GR16:$src2))]>,
2592 def CMP32mr : I<0x39, MRMDestMem,
2593 (outs), (ins i32mem:$src1, GR32:$src2),
2594 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2595 [(set EFLAGS, (X86cmp (loadi32 addr:$src1), GR32:$src2))]>;
2596 def CMP8rm : I<0x3A, MRMSrcMem,
2597 (outs), (ins GR8 :$src1, i8mem :$src2),
2598 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2599 [(set EFLAGS, (X86cmp GR8:$src1, (loadi8 addr:$src2)))]>;
2600 def CMP16rm : I<0x3B, MRMSrcMem,
2601 (outs), (ins GR16:$src1, i16mem:$src2),
2602 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2603 [(set EFLAGS, (X86cmp GR16:$src1, (loadi16 addr:$src2)))]>,
2605 def CMP32rm : I<0x3B, MRMSrcMem,
2606 (outs), (ins GR32:$src1, i32mem:$src2),
2607 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2608 [(set EFLAGS, (X86cmp GR32:$src1, (loadi32 addr:$src2)))]>;
2610 // These are alternate spellings for use by the disassembler, we mark them as
2611 // code gen only to ensure they aren't matched by the assembler.
2612 let isCodeGenOnly = 1 in {
2613 def CMP8rr_alt : I<0x3A, MRMSrcReg, (outs), (ins GR8:$src1, GR8:$src2),
2614 "cmp{b}\t{$src2, $src1|$src1, $src2}", []>;
2615 def CMP16rr_alt : I<0x3B, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
2616 "cmp{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize;
2617 def CMP32rr_alt : I<0x3B, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
2618 "cmp{l}\t{$src2, $src1|$src1, $src2}", []>;
2621 def CMP8ri : Ii8<0x80, MRM7r,
2622 (outs), (ins GR8:$src1, i8imm:$src2),
2623 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2624 [(set EFLAGS, (X86cmp GR8:$src1, imm:$src2))]>;
2625 def CMP16ri : Ii16<0x81, MRM7r,
2626 (outs), (ins GR16:$src1, i16imm:$src2),
2627 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2628 [(set EFLAGS, (X86cmp GR16:$src1, imm:$src2))]>, OpSize;
2629 def CMP32ri : Ii32<0x81, MRM7r,
2630 (outs), (ins GR32:$src1, i32imm:$src2),
2631 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2632 [(set EFLAGS, (X86cmp GR32:$src1, imm:$src2))]>;
2633 def CMP8mi : Ii8 <0x80, MRM7m,
2634 (outs), (ins i8mem :$src1, i8imm :$src2),
2635 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2636 [(set EFLAGS, (X86cmp (loadi8 addr:$src1), imm:$src2))]>;
2637 def CMP16mi : Ii16<0x81, MRM7m,
2638 (outs), (ins i16mem:$src1, i16imm:$src2),
2639 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2640 [(set EFLAGS, (X86cmp (loadi16 addr:$src1), imm:$src2))]>,
2642 def CMP32mi : Ii32<0x81, MRM7m,
2643 (outs), (ins i32mem:$src1, i32imm:$src2),
2644 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2645 [(set EFLAGS, (X86cmp (loadi32 addr:$src1), imm:$src2))]>;
2646 def CMP16ri8 : Ii8<0x83, MRM7r,
2647 (outs), (ins GR16:$src1, i16i8imm:$src2),
2648 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2649 [(set EFLAGS, (X86cmp GR16:$src1, i16immSExt8:$src2))]>,
2651 def CMP16mi8 : Ii8<0x83, MRM7m,
2652 (outs), (ins i16mem:$src1, i16i8imm:$src2),
2653 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2654 [(set EFLAGS, (X86cmp (loadi16 addr:$src1),
2655 i16immSExt8:$src2))]>, OpSize;
2656 def CMP32mi8 : Ii8<0x83, MRM7m,
2657 (outs), (ins i32mem:$src1, i32i8imm:$src2),
2658 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2659 [(set EFLAGS, (X86cmp (loadi32 addr:$src1),
2660 i32immSExt8:$src2))]>;
2661 def CMP32ri8 : Ii8<0x83, MRM7r,
2662 (outs), (ins GR32:$src1, i32i8imm:$src2),
2663 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2664 [(set EFLAGS, (X86cmp GR32:$src1, i32immSExt8:$src2))]>;
2665 } // Defs = [EFLAGS]
2668 // TODO: BTC, BTR, and BTS
2669 let Defs = [EFLAGS] in {
2670 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2671 "bt{w}\t{$src2, $src1|$src1, $src2}",
2672 [(set EFLAGS, (X86bt GR16:$src1, GR16:$src2))]>, OpSize, TB;
2673 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2674 "bt{l}\t{$src2, $src1|$src1, $src2}",
2675 [(set EFLAGS, (X86bt GR32:$src1, GR32:$src2))]>, TB;
2677 // Unlike with the register+register form, the memory+register form of the
2678 // bt instruction does not ignore the high bits of the index. From ISel's
2679 // perspective, this is pretty bizarre. Make these instructions disassembly
2682 def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
2683 "bt{w}\t{$src2, $src1|$src1, $src2}",
2684 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
2685 // (implicit EFLAGS)]
2687 >, OpSize, TB, Requires<[FastBTMem]>;
2688 def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
2689 "bt{l}\t{$src2, $src1|$src1, $src2}",
2690 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
2691 // (implicit EFLAGS)]
2693 >, TB, Requires<[FastBTMem]>;
2695 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
2696 "bt{w}\t{$src2, $src1|$src1, $src2}",
2697 [(set EFLAGS, (X86bt GR16:$src1, i16immSExt8:$src2))]>,
2699 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
2700 "bt{l}\t{$src2, $src1|$src1, $src2}",
2701 [(set EFLAGS, (X86bt GR32:$src1, i32immSExt8:$src2))]>, TB;
2702 // Note that these instructions don't need FastBTMem because that
2703 // only applies when the other operand is in a register. When it's
2704 // an immediate, bt is still fast.
2705 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
2706 "bt{w}\t{$src2, $src1|$src1, $src2}",
2707 [(set EFLAGS, (X86bt (loadi16 addr:$src1), i16immSExt8:$src2))
2709 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
2710 "bt{l}\t{$src2, $src1|$src1, $src2}",
2711 [(set EFLAGS, (X86bt (loadi32 addr:$src1), i32immSExt8:$src2))
2714 def BTC16rr : I<0xBB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2715 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
2716 def BTC32rr : I<0xBB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2717 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
2718 def BTC16mr : I<0xBB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
2719 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
2720 def BTC32mr : I<0xBB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
2721 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
2722 def BTC16ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR16:$src1, i16i8imm:$src2),
2723 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
2724 def BTC32ri8 : Ii8<0xBA, MRM7r, (outs), (ins GR32:$src1, i32i8imm:$src2),
2725 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
2726 def BTC16mi8 : Ii8<0xBA, MRM7m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
2727 "btc{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
2728 def BTC32mi8 : Ii8<0xBA, MRM7m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
2729 "btc{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
2731 def BTR16rr : I<0xB3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2732 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
2733 def BTR32rr : I<0xB3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2734 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
2735 def BTR16mr : I<0xB3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
2736 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
2737 def BTR32mr : I<0xB3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
2738 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
2739 def BTR16ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR16:$src1, i16i8imm:$src2),
2740 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
2741 def BTR32ri8 : Ii8<0xBA, MRM6r, (outs), (ins GR32:$src1, i32i8imm:$src2),
2742 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
2743 def BTR16mi8 : Ii8<0xBA, MRM6m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
2744 "btr{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
2745 def BTR32mi8 : Ii8<0xBA, MRM6m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
2746 "btr{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
2748 def BTS16rr : I<0xAB, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2749 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
2750 def BTS32rr : I<0xAB, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2751 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
2752 def BTS16mr : I<0xAB, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
2753 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
2754 def BTS32mr : I<0xAB, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
2755 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
2756 def BTS16ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR16:$src1, i16i8imm:$src2),
2757 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
2758 def BTS32ri8 : Ii8<0xBA, MRM5r, (outs), (ins GR32:$src1, i32i8imm:$src2),
2759 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
2760 def BTS16mi8 : Ii8<0xBA, MRM5m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
2761 "bts{w}\t{$src2, $src1|$src1, $src2}", []>, OpSize, TB;
2762 def BTS32mi8 : Ii8<0xBA, MRM5m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
2763 "bts{l}\t{$src2, $src1|$src1, $src2}", []>, TB;
2764 } // Defs = [EFLAGS]
2766 // Sign/Zero extenders
2767 // Use movsbl intead of movsbw; we don't care about the high 16 bits
2768 // of the register here. This has a smaller encoding and avoids a
2769 // partial-register update. Actual movsbw included for the disassembler.
2770 def MOVSX16rr8W : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src),
2771 "movs{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
2772 def MOVSX16rm8W : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src),
2773 "movs{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
2774 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
2775 "", [(set GR16:$dst, (sext GR8:$src))]>, TB;
2776 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
2777 "", [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
2778 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
2779 "movs{bl|x}\t{$src, $dst|$dst, $src}",
2780 [(set GR32:$dst, (sext GR8:$src))]>, TB;
2781 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
2782 "movs{bl|x}\t{$src, $dst|$dst, $src}",
2783 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
2784 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
2785 "movs{wl|x}\t{$src, $dst|$dst, $src}",
2786 [(set GR32:$dst, (sext GR16:$src))]>, TB;
2787 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
2788 "movs{wl|x}\t{$src, $dst|$dst, $src}",
2789 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
2791 // Use movzbl intead of movzbw; we don't care about the high 16 bits
2792 // of the register here. This has a smaller encoding and avoids a
2793 // partial-register update. Actual movzbw included for the disassembler.
2794 def MOVZX16rr8W : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8:$src),
2795 "movz{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
2796 def MOVZX16rm8W : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem:$src),
2797 "movz{bw|x}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
2798 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
2799 "", [(set GR16:$dst, (zext GR8:$src))]>, TB;
2800 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
2801 "", [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
2802 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
2803 "movz{bl|x}\t{$src, $dst|$dst, $src}",
2804 [(set GR32:$dst, (zext GR8:$src))]>, TB;
2805 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
2806 "movz{bl|x}\t{$src, $dst|$dst, $src}",
2807 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
2808 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
2809 "movz{wl|x}\t{$src, $dst|$dst, $src}",
2810 [(set GR32:$dst, (zext GR16:$src))]>, TB;
2811 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
2812 "movz{wl|x}\t{$src, $dst|$dst, $src}",
2813 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
2815 // These are the same as the regular MOVZX32rr8 and MOVZX32rm8
2816 // except that they use GR32_NOREX for the output operand register class
2817 // instead of GR32. This allows them to operate on h registers on x86-64.
2818 def MOVZX32_NOREXrr8 : I<0xB6, MRMSrcReg,
2819 (outs GR32_NOREX:$dst), (ins GR8:$src),
2820 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
2823 def MOVZX32_NOREXrm8 : I<0xB6, MRMSrcMem,
2824 (outs GR32_NOREX:$dst), (ins i8mem:$src),
2825 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
2828 let neverHasSideEffects = 1 in {
2829 let Defs = [AX], Uses = [AL] in
2830 def CBW : I<0x98, RawFrm, (outs), (ins),
2831 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
2832 let Defs = [EAX], Uses = [AX] in
2833 def CWDE : I<0x98, RawFrm, (outs), (ins),
2834 "{cwtl|cwde}", []>; // EAX = signext(AX)
2836 let Defs = [AX,DX], Uses = [AX] in
2837 def CWD : I<0x99, RawFrm, (outs), (ins),
2838 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
2839 let Defs = [EAX,EDX], Uses = [EAX] in
2840 def CDQ : I<0x99, RawFrm, (outs), (ins),
2841 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
2846 //===----------------------------------------------------------------------===//
2851 // Atomic swap. These are just normal xchg instructions. But since a memory
2852 // operand is referenced, the atomicity is ensured.
2853 let Constraints = "$val = $dst" in {
2854 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins GR8:$val, i8mem:$ptr),
2855 "xchg{b}\t{$val, $ptr|$ptr, $val}",
2856 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
2857 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst),
2858 (ins GR16:$val, i16mem:$ptr),
2859 "xchg{w}\t{$val, $ptr|$ptr, $val}",
2860 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
2862 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst),
2863 (ins GR32:$val, i32mem:$ptr),
2864 "xchg{l}\t{$val, $ptr|$ptr, $val}",
2865 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
2866 def XCHG64rm : RI<0x87, MRMSrcMem, (outs GR64:$dst),
2867 (ins GR64:$val,i64mem:$ptr),
2868 "xchg{q}\t{$val, $ptr|$ptr, $val}",
2869 [(set GR64:$dst, (atomic_swap_64 addr:$ptr, GR64:$val))]>;
2871 def XCHG8rr : I<0x86, MRMSrcReg, (outs GR8:$dst), (ins GR8:$val, GR8:$src),
2872 "xchg{b}\t{$val, $src|$src, $val}", []>;
2873 def XCHG16rr : I<0x87, MRMSrcReg, (outs GR16:$dst), (ins GR16:$val, GR16:$src),
2874 "xchg{w}\t{$val, $src|$src, $val}", []>, OpSize;
2875 def XCHG32rr : I<0x87, MRMSrcReg, (outs GR32:$dst), (ins GR32:$val, GR32:$src),
2876 "xchg{l}\t{$val, $src|$src, $val}", []>;
2877 def XCHG64rr : RI<0x87, MRMSrcReg, (outs GR64:$dst), (ins GR64:$val,GR64:$src),
2878 "xchg{q}\t{$val, $src|$src, $val}", []>;
2881 def XCHG16ar : I<0x90, AddRegFrm, (outs), (ins GR16:$src),
2882 "xchg{w}\t{$src, %ax|%ax, $src}", []>, OpSize;
2883 def XCHG32ar : I<0x90, AddRegFrm, (outs), (ins GR32:$src),
2884 "xchg{l}\t{$src, %eax|%eax, $src}", []>;
2885 def XCHG64ar : RI<0x90, AddRegFrm, (outs), (ins GR64:$src),
2886 "xchg{q}\t{$src, %rax|%rax, $src}", []>;
2890 def XADD8rr : I<0xC0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
2891 "xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
2892 def XADD16rr : I<0xC1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
2893 "xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
2894 def XADD32rr : I<0xC1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
2895 "xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
2896 def XADD64rr : RI<0xC1, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
2897 "xadd{q}\t{$src, $dst|$dst, $src}", []>, TB;
2899 let mayLoad = 1, mayStore = 1 in {
2900 def XADD8rm : I<0xC0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
2901 "xadd{b}\t{$src, $dst|$dst, $src}", []>, TB;
2902 def XADD16rm : I<0xC1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
2903 "xadd{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
2904 def XADD32rm : I<0xC1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
2905 "xadd{l}\t{$src, $dst|$dst, $src}", []>, TB;
2906 def XADD64rm : RI<0xC1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
2907 "xadd{q}\t{$src, $dst|$dst, $src}", []>, TB;
2911 def CMPXCHG8rr : I<0xB0, MRMDestReg, (outs GR8:$dst), (ins GR8:$src),
2912 "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
2913 def CMPXCHG16rr : I<0xB1, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
2914 "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
2915 def CMPXCHG32rr : I<0xB1, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
2916 "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
2917 def CMPXCHG64rr : RI<0xB1, MRMDestReg, (outs GR64:$dst), (ins GR64:$src),
2918 "cmpxchg{q}\t{$src, $dst|$dst, $src}", []>, TB;
2920 let mayLoad = 1, mayStore = 1 in {
2921 def CMPXCHG8rm : I<0xB0, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
2922 "cmpxchg{b}\t{$src, $dst|$dst, $src}", []>, TB;
2923 def CMPXCHG16rm : I<0xB1, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
2924 "cmpxchg{w}\t{$src, $dst|$dst, $src}", []>, TB, OpSize;
2925 def CMPXCHG32rm : I<0xB1, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
2926 "cmpxchg{l}\t{$src, $dst|$dst, $src}", []>, TB;
2927 def CMPXCHG64rm : RI<0xB1, MRMDestMem, (outs), (ins i64mem:$dst, GR64:$src),
2928 "cmpxchg{q}\t{$src, $dst|$dst, $src}", []>, TB;
2931 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in
2932 def CMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i64mem:$dst),
2933 "cmpxchg8b\t$dst", []>, TB;
2935 let Defs = [RAX, RDX, EFLAGS], Uses = [RAX, RBX, RCX, RDX] in
2936 def CMPXCHG16B : RI<0xC7, MRM1m, (outs), (ins i128mem:$dst),
2937 "cmpxchg16b\t$dst", []>, TB;
2941 // Lock instruction prefix
2942 def LOCK_PREFIX : I<0xF0, RawFrm, (outs), (ins), "lock", []>;
2944 // Repeat string operation instruction prefixes
2945 // These uses the DF flag in the EFLAGS register to inc or dec ECX
2946 let Defs = [ECX], Uses = [ECX,EFLAGS] in {
2947 // Repeat (used with INS, OUTS, MOVS, LODS and STOS)
2948 def REP_PREFIX : I<0xF3, RawFrm, (outs), (ins), "rep", []>;
2949 // Repeat while not equal (used with CMPS and SCAS)
2950 def REPNE_PREFIX : I<0xF2, RawFrm, (outs), (ins), "repne", []>;
2954 // String manipulation instructions
2956 def LODSB : I<0xAC, RawFrm, (outs), (ins), "lodsb", []>;
2957 def LODSW : I<0xAD, RawFrm, (outs), (ins), "lodsw", []>, OpSize;
2958 def LODSD : I<0xAD, RawFrm, (outs), (ins), "lods{l|d}", []>;
2959 def LODSQ : RI<0xAD, RawFrm, (outs), (ins), "lodsq", []>;
2961 def OUTSB : I<0x6E, RawFrm, (outs), (ins), "outsb", []>;
2962 def OUTSW : I<0x6F, RawFrm, (outs), (ins), "outsw", []>, OpSize;
2963 def OUTSD : I<0x6F, RawFrm, (outs), (ins), "outs{l|d}", []>;
2966 // Flag instructions
2967 def CLC : I<0xF8, RawFrm, (outs), (ins), "clc", []>;
2968 def STC : I<0xF9, RawFrm, (outs), (ins), "stc", []>;
2969 def CLI : I<0xFA, RawFrm, (outs), (ins), "cli", []>;
2970 def STI : I<0xFB, RawFrm, (outs), (ins), "sti", []>;
2971 def CLD : I<0xFC, RawFrm, (outs), (ins), "cld", []>;
2972 def STD : I<0xFD, RawFrm, (outs), (ins), "std", []>;
2973 def CMC : I<0xF5, RawFrm, (outs), (ins), "cmc", []>;
2975 def CLTS : I<0x06, RawFrm, (outs), (ins), "clts", []>, TB;
2977 // Table lookup instructions
2978 def XLAT : I<0xD7, RawFrm, (outs), (ins), "xlatb", []>;
2982 //===----------------------------------------------------------------------===//
2984 //===----------------------------------------------------------------------===//
2986 // Floating Point Stack Support
2987 include "X86InstrFPStack.td"
2990 include "X86Instr64bit.td"
2992 include "X86InstrCMovSetCC.td"
2993 include "X86InstrControl.td"
2995 // SIMD support (SSE, MMX and AVX)
2996 include "X86InstrFragmentsSIMD.td"
2998 // FMA - Fused Multiply-Add support (requires FMA)
2999 include "X86InstrFMA.td"
3001 // SSE, MMX and 3DNow! vector support.
3002 include "X86InstrSSE.td"
3003 include "X86InstrMMX.td"
3004 include "X86Instr3DNow.td"
3006 include "X86InstrVMX.td"
3008 // System instructions.
3009 include "X86InstrSystem.td"
3011 // Compiler Pseudo Instructions and Pat Patterns
3012 include "X86InstrCompiler.td"