1 //===- X86InstrInfo.td - Describe the X86 Instruction Set --*- 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<0, 2, [SDTCisSameAs<0, 1>]>;
26 def SDTX86Cmov : SDTypeProfile<1, 4,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>,
28 SDTCisVT<3, i8>, SDTCisVT<4, i32>]>;
30 // Unary and binary operator instructions that set EFLAGS as a side-effect.
31 def SDTUnaryArithWithFlags : SDTypeProfile<1, 1,
33 def SDTBinaryArithWithFlags : SDTypeProfile<1, 2,
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>]>;
46 def SDTX86cas : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisInt<1>,
48 def SDTX86cas8 : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
50 def SDTX86atomicBinary : SDTypeProfile<2, 3, [SDTCisInt<0>, SDTCisInt<1>,
51 SDTCisPtrTy<2>, SDTCisInt<3>,SDTCisInt<4>]>;
52 def SDTX86Ret : SDTypeProfile<0, -1, [SDTCisVT<0, i16>]>;
54 def SDT_X86CallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
55 def SDT_X86CallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>,
58 def SDT_X86Call : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>;
60 def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
62 def SDTX86RdTsc : SDTypeProfile<0, 0, []>;
64 def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
66 def SDT_X86TLSADDR : SDTypeProfile<1, 1, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
68 def SDT_X86SegmentBaseAddress : SDTypeProfile<1, 1, [SDTCisPtrTy<0>]>;
70 def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
72 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
74 def X86bsf : SDNode<"X86ISD::BSF", SDTIntUnaryOp>;
75 def X86bsr : SDNode<"X86ISD::BSR", SDTIntUnaryOp>;
76 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
77 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
79 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
81 def X86bt : SDNode<"X86ISD::BT", SDTX86CmpTest>;
83 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
84 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
86 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
88 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
89 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
91 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86cas8,
92 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
94 def X86AtomAdd64 : SDNode<"X86ISD::ATOMADD64_DAG", SDTX86atomicBinary,
95 [SDNPHasChain, SDNPMayStore,
96 SDNPMayLoad, SDNPMemOperand]>;
97 def X86AtomSub64 : SDNode<"X86ISD::ATOMSUB64_DAG", SDTX86atomicBinary,
98 [SDNPHasChain, SDNPMayStore,
99 SDNPMayLoad, SDNPMemOperand]>;
100 def X86AtomOr64 : SDNode<"X86ISD::ATOMOR64_DAG", SDTX86atomicBinary,
101 [SDNPHasChain, SDNPMayStore,
102 SDNPMayLoad, SDNPMemOperand]>;
103 def X86AtomXor64 : SDNode<"X86ISD::ATOMXOR64_DAG", SDTX86atomicBinary,
104 [SDNPHasChain, SDNPMayStore,
105 SDNPMayLoad, SDNPMemOperand]>;
106 def X86AtomAnd64 : SDNode<"X86ISD::ATOMAND64_DAG", SDTX86atomicBinary,
107 [SDNPHasChain, SDNPMayStore,
108 SDNPMayLoad, SDNPMemOperand]>;
109 def X86AtomNand64 : SDNode<"X86ISD::ATOMNAND64_DAG", SDTX86atomicBinary,
110 [SDNPHasChain, SDNPMayStore,
111 SDNPMayLoad, SDNPMemOperand]>;
112 def X86AtomSwap64 : SDNode<"X86ISD::ATOMSWAP64_DAG", SDTX86atomicBinary,
113 [SDNPHasChain, SDNPMayStore,
114 SDNPMayLoad, SDNPMemOperand]>;
115 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
116 [SDNPHasChain, SDNPOptInFlag]>;
118 def X86callseq_start :
119 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
120 [SDNPHasChain, SDNPOutFlag]>;
122 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
123 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
125 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
126 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
128 def X86tailcall: SDNode<"X86ISD::TAILCALL", SDT_X86Call,
129 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
131 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
132 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore]>;
133 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
134 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
137 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG",SDTX86RdTsc,
138 [SDNPHasChain, SDNPOutFlag, SDNPSideEffect]>;
140 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
141 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
143 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
144 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
145 def X86SegmentBaseAddress : SDNode<"X86ISD::SegmentBaseAddress",
146 SDT_X86SegmentBaseAddress, []>;
148 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
151 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
152 [SDNPHasChain, SDNPOptInFlag]>;
154 def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags>;
155 def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
156 def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags>;
157 def X86umul_flag : SDNode<"X86ISD::UMUL", SDTUnaryArithWithFlags>;
158 def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>;
159 def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>;
161 def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;
163 //===----------------------------------------------------------------------===//
164 // X86 Operand Definitions.
167 // *mem - Operand definitions for the funky X86 addressing mode operands.
169 class X86MemOperand<string printMethod> : Operand<iPTR> {
170 let PrintMethod = printMethod;
171 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc, i32imm, i8imm);
174 def i8mem : X86MemOperand<"printi8mem">;
175 def i16mem : X86MemOperand<"printi16mem">;
176 def i32mem : X86MemOperand<"printi32mem">;
177 def i64mem : X86MemOperand<"printi64mem">;
178 def i128mem : X86MemOperand<"printi128mem">;
179 def f32mem : X86MemOperand<"printf32mem">;
180 def f64mem : X86MemOperand<"printf64mem">;
181 def f80mem : X86MemOperand<"printf80mem">;
182 def f128mem : X86MemOperand<"printf128mem">;
184 // A version of i8mem for use on x86-64 that uses GR64_NOREX instead of
185 // plain GR64, so that it doesn't potentially require a REX prefix.
186 def i8mem_NOREX : Operand<i64> {
187 let PrintMethod = "printi8mem";
188 let MIOperandInfo = (ops GR64_NOREX, i8imm, GR64_NOREX, i32imm, i8imm);
191 def lea32mem : Operand<i32> {
192 let PrintMethod = "printlea32mem";
193 let MIOperandInfo = (ops GR32, i8imm, GR32, i32imm);
196 def SSECC : Operand<i8> {
197 let PrintMethod = "printSSECC";
200 def piclabel: Operand<i32> {
201 let PrintMethod = "printPICLabel";
204 // A couple of more descriptive operand definitions.
205 // 16-bits but only 8 bits are significant.
206 def i16i8imm : Operand<i16>;
207 // 32-bits but only 8 bits are significant.
208 def i32i8imm : Operand<i32>;
210 // Branch targets have OtherVT type.
211 def brtarget : Operand<OtherVT>;
213 //===----------------------------------------------------------------------===//
214 // X86 Complex Pattern Definitions.
217 // Define X86 specific addressing mode.
218 def addr : ComplexPattern<iPTR, 5, "SelectAddr", [], []>;
219 def lea32addr : ComplexPattern<i32, 4, "SelectLEAAddr",
220 [add, mul, shl, or, frameindex], []>;
222 //===----------------------------------------------------------------------===//
223 // X86 Instruction Predicate Definitions.
224 def HasMMX : Predicate<"Subtarget->hasMMX()">;
225 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
226 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
227 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
228 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
229 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
230 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
231 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
232 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
233 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
234 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
235 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
236 def NotSmallCode : Predicate<"TM.getCodeModel() != CodeModel::Small">;
237 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
238 def OptForSpeed : Predicate<"!OptForSize">;
239 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
241 //===----------------------------------------------------------------------===//
242 // X86 Instruction Format Definitions.
245 include "X86InstrFormats.td"
247 //===----------------------------------------------------------------------===//
248 // Pattern fragments...
251 // X86 specific condition code. These correspond to CondCode in
252 // X86InstrInfo.h. They must be kept in synch.
253 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
254 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
255 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
256 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
257 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
258 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
259 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
260 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
261 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
262 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
263 def X86_COND_NO : PatLeaf<(i8 10)>;
264 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
265 def X86_COND_NS : PatLeaf<(i8 12)>;
266 def X86_COND_O : PatLeaf<(i8 13)>;
267 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
268 def X86_COND_S : PatLeaf<(i8 15)>;
270 def i16immSExt8 : PatLeaf<(i16 imm), [{
271 // i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
272 // sign extended field.
273 return (int16_t)N->getZExtValue() == (int8_t)N->getZExtValue();
276 def i32immSExt8 : PatLeaf<(i32 imm), [{
277 // i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
278 // sign extended field.
279 return (int32_t)N->getZExtValue() == (int8_t)N->getZExtValue();
282 // Helper fragments for loads.
283 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
284 // known to be 32-bit aligned or better. Ditto for i8 to i16.
285 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
286 LoadSDNode *LD = cast<LoadSDNode>(N);
287 if (const Value *Src = LD->getSrcValue())
288 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
289 if (PT->getAddressSpace() != 0)
291 ISD::LoadExtType ExtType = LD->getExtensionType();
292 if (ExtType == ISD::NON_EXTLOAD)
294 if (ExtType == ISD::EXTLOAD)
295 return LD->getAlignment() >= 2 && !LD->isVolatile();
299 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
300 LoadSDNode *LD = cast<LoadSDNode>(N);
301 if (const Value *Src = LD->getSrcValue())
302 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
303 if (PT->getAddressSpace() != 0)
305 ISD::LoadExtType ExtType = LD->getExtensionType();
306 if (ExtType == ISD::EXTLOAD)
307 return LD->getAlignment() >= 2 && !LD->isVolatile();
311 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
312 LoadSDNode *LD = cast<LoadSDNode>(N);
313 if (const Value *Src = LD->getSrcValue())
314 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
315 if (PT->getAddressSpace() != 0)
317 ISD::LoadExtType ExtType = LD->getExtensionType();
318 if (ExtType == ISD::NON_EXTLOAD)
320 if (ExtType == ISD::EXTLOAD)
321 return LD->getAlignment() >= 4 && !LD->isVolatile();
325 def nvloadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
326 LoadSDNode *LD = cast<LoadSDNode>(N);
327 if (const Value *Src = LD->getSrcValue())
328 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
329 if (PT->getAddressSpace() != 0)
331 if (LD->isVolatile())
333 ISD::LoadExtType ExtType = LD->getExtensionType();
334 if (ExtType == ISD::NON_EXTLOAD)
336 if (ExtType == ISD::EXTLOAD)
337 return LD->getAlignment() >= 4;
341 def gsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
342 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
343 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
344 return PT->getAddressSpace() == 256;
348 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr)), [{
349 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
350 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
351 if (PT->getAddressSpace() != 0)
355 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr)), [{
356 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
357 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
358 if (PT->getAddressSpace() != 0)
363 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr)), [{
364 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
365 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
366 if (PT->getAddressSpace() != 0)
370 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr)), [{
371 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
372 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
373 if (PT->getAddressSpace() != 0)
377 def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr)), [{
378 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
379 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
380 if (PT->getAddressSpace() != 0)
385 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
386 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
387 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
389 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
390 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
391 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
392 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
393 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
394 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
396 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
397 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
398 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
399 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
400 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
401 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
404 // An 'and' node with a single use.
405 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
406 return N->hasOneUse();
408 // An 'srl' node with a single use.
409 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
410 return N->hasOneUse();
412 // An 'trunc' node with a single use.
413 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
414 return N->hasOneUse();
417 // 'shld' and 'shrd' instruction patterns. Note that even though these have
418 // the srl and shl in their patterns, the C++ code must still check for them,
419 // because predicates are tested before children nodes are explored.
421 def shrd : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
422 (or (srl node:$src1, node:$amt1),
423 (shl node:$src2, node:$amt2)), [{
424 assert(N->getOpcode() == ISD::OR);
425 return N->getOperand(0).getOpcode() == ISD::SRL &&
426 N->getOperand(1).getOpcode() == ISD::SHL &&
427 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
428 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
429 N->getOperand(0).getConstantOperandVal(1) ==
430 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
433 def shld : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
434 (or (shl node:$src1, node:$amt1),
435 (srl node:$src2, node:$amt2)), [{
436 assert(N->getOpcode() == ISD::OR);
437 return N->getOperand(0).getOpcode() == ISD::SHL &&
438 N->getOperand(1).getOpcode() == ISD::SRL &&
439 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
440 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
441 N->getOperand(0).getConstantOperandVal(1) ==
442 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
445 //===----------------------------------------------------------------------===//
446 // Instruction list...
449 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
450 // a stack adjustment and the codegen must know that they may modify the stack
451 // pointer before prolog-epilog rewriting occurs.
452 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
453 // sub / add which can clobber EFLAGS.
454 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
455 def ADJCALLSTACKDOWN32 : I<0, Pseudo, (outs), (ins i32imm:$amt),
457 [(X86callseq_start timm:$amt)]>,
458 Requires<[In32BitMode]>;
459 def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
461 [(X86callseq_end timm:$amt1, timm:$amt2)]>,
462 Requires<[In32BitMode]>;
466 let neverHasSideEffects = 1 in
467 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
470 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
471 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins piclabel:$label),
472 "call\t$label\n\tpop{l}\t$reg", []>;
474 //===----------------------------------------------------------------------===//
475 // Control Flow Instructions...
478 // Return instructions.
479 let isTerminator = 1, isReturn = 1, isBarrier = 1,
480 hasCtrlDep = 1, FPForm = SpecialFP, FPFormBits = SpecialFP.Value in {
481 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
484 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
486 [(X86retflag imm:$amt)]>;
489 // All branches are RawFrm, Void, Branch, and Terminators
490 let isBranch = 1, isTerminator = 1 in
491 class IBr<bits<8> opcode, dag ins, string asm, list<dag> pattern> :
492 I<opcode, RawFrm, (outs), ins, asm, pattern>;
494 let isBranch = 1, isBarrier = 1 in
495 def JMP : IBr<0xE9, (ins brtarget:$dst), "jmp\t$dst", [(br bb:$dst)]>;
498 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
499 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
500 [(brind GR32:$dst)]>;
501 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
502 [(brind (loadi32 addr:$dst))]>;
505 // Conditional branches
506 let Uses = [EFLAGS] in {
507 def JE : IBr<0x84, (ins brtarget:$dst), "je\t$dst",
508 [(X86brcond bb:$dst, X86_COND_E, EFLAGS)]>, TB;
509 def JNE : IBr<0x85, (ins brtarget:$dst), "jne\t$dst",
510 [(X86brcond bb:$dst, X86_COND_NE, EFLAGS)]>, TB;
511 def JL : IBr<0x8C, (ins brtarget:$dst), "jl\t$dst",
512 [(X86brcond bb:$dst, X86_COND_L, EFLAGS)]>, TB;
513 def JLE : IBr<0x8E, (ins brtarget:$dst), "jle\t$dst",
514 [(X86brcond bb:$dst, X86_COND_LE, EFLAGS)]>, TB;
515 def JG : IBr<0x8F, (ins brtarget:$dst), "jg\t$dst",
516 [(X86brcond bb:$dst, X86_COND_G, EFLAGS)]>, TB;
517 def JGE : IBr<0x8D, (ins brtarget:$dst), "jge\t$dst",
518 [(X86brcond bb:$dst, X86_COND_GE, EFLAGS)]>, TB;
520 def JB : IBr<0x82, (ins brtarget:$dst), "jb\t$dst",
521 [(X86brcond bb:$dst, X86_COND_B, EFLAGS)]>, TB;
522 def JBE : IBr<0x86, (ins brtarget:$dst), "jbe\t$dst",
523 [(X86brcond bb:$dst, X86_COND_BE, EFLAGS)]>, TB;
524 def JA : IBr<0x87, (ins brtarget:$dst), "ja\t$dst",
525 [(X86brcond bb:$dst, X86_COND_A, EFLAGS)]>, TB;
526 def JAE : IBr<0x83, (ins brtarget:$dst), "jae\t$dst",
527 [(X86brcond bb:$dst, X86_COND_AE, EFLAGS)]>, TB;
529 def JS : IBr<0x88, (ins brtarget:$dst), "js\t$dst",
530 [(X86brcond bb:$dst, X86_COND_S, EFLAGS)]>, TB;
531 def JNS : IBr<0x89, (ins brtarget:$dst), "jns\t$dst",
532 [(X86brcond bb:$dst, X86_COND_NS, EFLAGS)]>, TB;
533 def JP : IBr<0x8A, (ins brtarget:$dst), "jp\t$dst",
534 [(X86brcond bb:$dst, X86_COND_P, EFLAGS)]>, TB;
535 def JNP : IBr<0x8B, (ins brtarget:$dst), "jnp\t$dst",
536 [(X86brcond bb:$dst, X86_COND_NP, EFLAGS)]>, TB;
537 def JO : IBr<0x80, (ins brtarget:$dst), "jo\t$dst",
538 [(X86brcond bb:$dst, X86_COND_O, EFLAGS)]>, TB;
539 def JNO : IBr<0x81, (ins brtarget:$dst), "jno\t$dst",
540 [(X86brcond bb:$dst, X86_COND_NO, EFLAGS)]>, TB;
543 //===----------------------------------------------------------------------===//
544 // Call Instructions...
547 // All calls clobber the non-callee saved registers. ESP is marked as
548 // a use to prevent stack-pointer assignments that appear immediately
549 // before calls from potentially appearing dead. Uses for argument
550 // registers are added manually.
551 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
552 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
553 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
554 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
556 def CALLpcrel32 : Ii32<0xE8, RawFrm, (outs), (ins i32imm:$dst,variable_ops),
557 "call\t${dst:call}", [(X86call imm:$dst)]>,
558 Requires<[In32BitMode]>;
559 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
560 "call\t{*}$dst", [(X86call GR32:$dst)]>;
561 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
562 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
567 def TAILCALL : I<0, Pseudo, (outs), (ins),
571 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
572 def TCRETURNdi : I<0, Pseudo, (outs), (ins i32imm:$dst, i32imm:$offset, variable_ops),
573 "#TC_RETURN $dst $offset",
576 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
577 def TCRETURNri : I<0, Pseudo, (outs), (ins GR32:$dst, i32imm:$offset, variable_ops),
578 "#TC_RETURN $dst $offset",
581 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
583 def TAILJMPd : IBr<0xE9, (ins i32imm:$dst), "jmp\t${dst:call} # TAILCALL",
585 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
586 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst # TAILCALL",
588 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
589 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem:$dst),
590 "jmp\t{*}$dst # TAILCALL", []>;
592 //===----------------------------------------------------------------------===//
593 // Miscellaneous Instructions...
595 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
596 def LEAVE : I<0xC9, RawFrm,
597 (outs), (ins), "leave", []>;
599 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
601 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
604 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
607 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in
608 def POPFD : I<0x9D, RawFrm, (outs), (ins), "popf", []>;
609 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in
610 def PUSHFD : I<0x9C, RawFrm, (outs), (ins), "pushf", []>;
612 let isTwoAddress = 1 in // GR32 = bswap GR32
613 def BSWAP32r : I<0xC8, AddRegFrm,
614 (outs GR32:$dst), (ins GR32:$src),
616 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
619 // Bit scan instructions.
620 let Defs = [EFLAGS] in {
621 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
622 "bsf{w}\t{$src, $dst|$dst, $src}",
623 [(set GR16:$dst, (X86bsf GR16:$src)), (implicit EFLAGS)]>, TB;
624 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
625 "bsf{w}\t{$src, $dst|$dst, $src}",
626 [(set GR16:$dst, (X86bsf (loadi16 addr:$src))),
627 (implicit EFLAGS)]>, TB;
628 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
629 "bsf{l}\t{$src, $dst|$dst, $src}",
630 [(set GR32:$dst, (X86bsf GR32:$src)), (implicit EFLAGS)]>, TB;
631 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
632 "bsf{l}\t{$src, $dst|$dst, $src}",
633 [(set GR32:$dst, (X86bsf (loadi32 addr:$src))),
634 (implicit EFLAGS)]>, TB;
636 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
637 "bsr{w}\t{$src, $dst|$dst, $src}",
638 [(set GR16:$dst, (X86bsr GR16:$src)), (implicit EFLAGS)]>, TB;
639 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
640 "bsr{w}\t{$src, $dst|$dst, $src}",
641 [(set GR16:$dst, (X86bsr (loadi16 addr:$src))),
642 (implicit EFLAGS)]>, TB;
643 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
644 "bsr{l}\t{$src, $dst|$dst, $src}",
645 [(set GR32:$dst, (X86bsr GR32:$src)), (implicit EFLAGS)]>, TB;
646 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
647 "bsr{l}\t{$src, $dst|$dst, $src}",
648 [(set GR32:$dst, (X86bsr (loadi32 addr:$src))),
649 (implicit EFLAGS)]>, TB;
652 let neverHasSideEffects = 1 in
653 def LEA16r : I<0x8D, MRMSrcMem,
654 (outs GR16:$dst), (ins i32mem:$src),
655 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
656 let isReMaterializable = 1 in
657 def LEA32r : I<0x8D, MRMSrcMem,
658 (outs GR32:$dst), (ins lea32mem:$src),
659 "lea{l}\t{$src|$dst}, {$dst|$src}",
660 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
662 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI] in {
663 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
664 [(X86rep_movs i8)]>, REP;
665 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
666 [(X86rep_movs i16)]>, REP, OpSize;
667 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
668 [(X86rep_movs i32)]>, REP;
671 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI] in
672 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
673 [(X86rep_stos i8)]>, REP;
674 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI] in
675 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
676 [(X86rep_stos i16)]>, REP, OpSize;
677 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI] in
678 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
679 [(X86rep_stos i32)]>, REP;
681 let Defs = [RAX, RDX] in
682 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
685 let isBarrier = 1, hasCtrlDep = 1 in {
686 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
689 //===----------------------------------------------------------------------===//
690 // Input/Output Instructions...
692 let Defs = [AL], Uses = [DX] in
693 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
694 "in{b}\t{%dx, %al|%AL, %DX}", []>;
695 let Defs = [AX], Uses = [DX] in
696 def IN16rr : I<0xED, RawFrm, (outs), (ins),
697 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
698 let Defs = [EAX], Uses = [DX] in
699 def IN32rr : I<0xED, RawFrm, (outs), (ins),
700 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
703 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i16i8imm:$port),
704 "in{b}\t{$port, %al|%AL, $port}", []>;
706 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
707 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
709 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
710 "in{l}\t{$port, %eax|%EAX, $port}", []>;
712 let Uses = [DX, AL] in
713 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
714 "out{b}\t{%al, %dx|%DX, %AL}", []>;
715 let Uses = [DX, AX] in
716 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
717 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
718 let Uses = [DX, EAX] in
719 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
720 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
723 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i16i8imm:$port),
724 "out{b}\t{%al, $port|$port, %AL}", []>;
726 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
727 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
729 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
730 "out{l}\t{%eax, $port|$port, %EAX}", []>;
732 //===----------------------------------------------------------------------===//
733 // Move Instructions...
735 let neverHasSideEffects = 1 in {
736 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
737 "mov{b}\t{$src, $dst|$dst, $src}", []>;
738 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
739 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
740 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
741 "mov{l}\t{$src, $dst|$dst, $src}", []>;
743 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
744 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
745 "mov{b}\t{$src, $dst|$dst, $src}",
746 [(set GR8:$dst, imm:$src)]>;
747 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
748 "mov{w}\t{$src, $dst|$dst, $src}",
749 [(set GR16:$dst, imm:$src)]>, OpSize;
750 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
751 "mov{l}\t{$src, $dst|$dst, $src}",
752 [(set GR32:$dst, imm:$src)]>;
754 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
755 "mov{b}\t{$src, $dst|$dst, $src}",
756 [(store (i8 imm:$src), addr:$dst)]>;
757 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
758 "mov{w}\t{$src, $dst|$dst, $src}",
759 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
760 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
761 "mov{l}\t{$src, $dst|$dst, $src}",
762 [(store (i32 imm:$src), addr:$dst)]>;
764 let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in {
765 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
766 "mov{b}\t{$src, $dst|$dst, $src}",
767 [(set GR8:$dst, (loadi8 addr:$src))]>;
768 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
769 "mov{w}\t{$src, $dst|$dst, $src}",
770 [(set GR16:$dst, (loadi16 addr:$src))]>, OpSize;
771 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
772 "mov{l}\t{$src, $dst|$dst, $src}",
773 [(set GR32:$dst, (loadi32 addr:$src))]>;
776 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
777 "mov{b}\t{$src, $dst|$dst, $src}",
778 [(store GR8:$src, addr:$dst)]>;
779 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
780 "mov{w}\t{$src, $dst|$dst, $src}",
781 [(store GR16:$src, addr:$dst)]>, OpSize;
782 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
783 "mov{l}\t{$src, $dst|$dst, $src}",
784 [(store GR32:$src, addr:$dst)]>;
786 // Versions of MOV8rr and MOV8mr that use i8mem_NOREX and GR8_NOREX so that they
787 // can be used for copying and storing h registers, which can't be encoded when
788 // a REX prefix is present.
789 let neverHasSideEffects = 1 in
790 def MOV8rr_NOREX : I<0x88, MRMDestReg,
791 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
792 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
793 def MOV8mr_NOREX : I<0x88, MRMDestMem,
794 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
795 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
797 //===----------------------------------------------------------------------===//
798 // Fixed-Register Multiplication and Division Instructions...
801 // Extra precision multiplication
802 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
803 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
804 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
805 // This probably ought to be moved to a def : Pat<> if the
806 // syntax can be accepted.
807 [(set AL, (mul AL, GR8:$src)),
808 (implicit EFLAGS)]>; // AL,AH = AL*GR8
810 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
811 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
813 []>, OpSize; // AX,DX = AX*GR16
815 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
816 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
818 []>; // EAX,EDX = EAX*GR32
820 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
821 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
823 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
824 // This probably ought to be moved to a def : Pat<> if the
825 // syntax can be accepted.
826 [(set AL, (mul AL, (loadi8 addr:$src))),
827 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
829 let mayLoad = 1, neverHasSideEffects = 1 in {
830 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
831 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
833 []>, OpSize; // AX,DX = AX*[mem16]
835 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
836 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
838 []>; // EAX,EDX = EAX*[mem32]
841 let neverHasSideEffects = 1 in {
842 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
843 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
845 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
846 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
847 OpSize; // AX,DX = AX*GR16
848 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
849 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
850 // EAX,EDX = EAX*GR32
852 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
853 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
854 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
855 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
856 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
857 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
858 let Defs = [EAX,EDX], Uses = [EAX] in
859 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
860 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
862 } // neverHasSideEffects
864 // unsigned division/remainder
865 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
866 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
868 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
869 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
870 "div{w}\t$src", []>, OpSize;
871 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
872 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
875 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
876 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
878 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
879 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
880 "div{w}\t$src", []>, OpSize;
881 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
882 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
886 // Signed division/remainder.
887 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
888 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
889 "idiv{b}\t$src", []>;
890 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
891 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
892 "idiv{w}\t$src", []>, OpSize;
893 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
894 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
895 "idiv{l}\t$src", []>;
896 let mayLoad = 1, mayLoad = 1 in {
897 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
898 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
899 "idiv{b}\t$src", []>;
900 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
901 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
902 "idiv{w}\t$src", []>, OpSize;
903 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
904 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
905 "idiv{l}\t$src", []>;
908 //===----------------------------------------------------------------------===//
909 // Two address Instructions.
911 let isTwoAddress = 1 in {
914 let Uses = [EFLAGS] in {
915 let isCommutable = 1 in {
916 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
917 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
918 "cmovb\t{$src2, $dst|$dst, $src2}",
919 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
920 X86_COND_B, EFLAGS))]>,
922 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
923 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
924 "cmovb\t{$src2, $dst|$dst, $src2}",
925 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
926 X86_COND_B, EFLAGS))]>,
928 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
929 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
930 "cmovae\t{$src2, $dst|$dst, $src2}",
931 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
932 X86_COND_AE, EFLAGS))]>,
934 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
935 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
936 "cmovae\t{$src2, $dst|$dst, $src2}",
937 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
938 X86_COND_AE, EFLAGS))]>,
940 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
941 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
942 "cmove\t{$src2, $dst|$dst, $src2}",
943 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
944 X86_COND_E, EFLAGS))]>,
946 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
947 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
948 "cmove\t{$src2, $dst|$dst, $src2}",
949 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
950 X86_COND_E, EFLAGS))]>,
952 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
953 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
954 "cmovne\t{$src2, $dst|$dst, $src2}",
955 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
956 X86_COND_NE, EFLAGS))]>,
958 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
959 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
960 "cmovne\t{$src2, $dst|$dst, $src2}",
961 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
962 X86_COND_NE, EFLAGS))]>,
964 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
965 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
966 "cmovbe\t{$src2, $dst|$dst, $src2}",
967 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
968 X86_COND_BE, EFLAGS))]>,
970 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
971 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
972 "cmovbe\t{$src2, $dst|$dst, $src2}",
973 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
974 X86_COND_BE, EFLAGS))]>,
976 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
977 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
978 "cmova\t{$src2, $dst|$dst, $src2}",
979 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
980 X86_COND_A, EFLAGS))]>,
982 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
983 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
984 "cmova\t{$src2, $dst|$dst, $src2}",
985 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
986 X86_COND_A, EFLAGS))]>,
988 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
989 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
990 "cmovl\t{$src2, $dst|$dst, $src2}",
991 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
992 X86_COND_L, EFLAGS))]>,
994 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
995 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
996 "cmovl\t{$src2, $dst|$dst, $src2}",
997 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
998 X86_COND_L, EFLAGS))]>,
1000 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
1001 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1002 "cmovge\t{$src2, $dst|$dst, $src2}",
1003 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1004 X86_COND_GE, EFLAGS))]>,
1006 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
1007 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1008 "cmovge\t{$src2, $dst|$dst, $src2}",
1009 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1010 X86_COND_GE, EFLAGS))]>,
1012 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
1013 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1014 "cmovle\t{$src2, $dst|$dst, $src2}",
1015 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1016 X86_COND_LE, EFLAGS))]>,
1018 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
1019 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1020 "cmovle\t{$src2, $dst|$dst, $src2}",
1021 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1022 X86_COND_LE, EFLAGS))]>,
1024 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
1025 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1026 "cmovg\t{$src2, $dst|$dst, $src2}",
1027 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1028 X86_COND_G, EFLAGS))]>,
1030 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
1031 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1032 "cmovg\t{$src2, $dst|$dst, $src2}",
1033 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1034 X86_COND_G, EFLAGS))]>,
1036 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
1037 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1038 "cmovs\t{$src2, $dst|$dst, $src2}",
1039 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1040 X86_COND_S, EFLAGS))]>,
1042 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
1043 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1044 "cmovs\t{$src2, $dst|$dst, $src2}",
1045 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1046 X86_COND_S, EFLAGS))]>,
1048 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
1049 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1050 "cmovns\t{$src2, $dst|$dst, $src2}",
1051 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1052 X86_COND_NS, EFLAGS))]>,
1054 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1055 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1056 "cmovns\t{$src2, $dst|$dst, $src2}",
1057 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1058 X86_COND_NS, EFLAGS))]>,
1060 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1061 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1062 "cmovp\t{$src2, $dst|$dst, $src2}",
1063 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1064 X86_COND_P, EFLAGS))]>,
1066 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1067 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1068 "cmovp\t{$src2, $dst|$dst, $src2}",
1069 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1070 X86_COND_P, EFLAGS))]>,
1072 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1073 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1074 "cmovnp\t{$src2, $dst|$dst, $src2}",
1075 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1076 X86_COND_NP, EFLAGS))]>,
1078 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1079 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1080 "cmovnp\t{$src2, $dst|$dst, $src2}",
1081 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1082 X86_COND_NP, EFLAGS))]>,
1084 def CMOVO16rr : I<0x40, MRMSrcReg, // if overflow, GR16 = GR16
1085 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1086 "cmovo\t{$src2, $dst|$dst, $src2}",
1087 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1088 X86_COND_O, EFLAGS))]>,
1090 def CMOVO32rr : I<0x40, MRMSrcReg, // if overflow, GR32 = GR32
1091 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1092 "cmovo\t{$src2, $dst|$dst, $src2}",
1093 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1094 X86_COND_O, EFLAGS))]>,
1096 def CMOVNO16rr : I<0x41, MRMSrcReg, // if !overflow, GR16 = GR16
1097 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1098 "cmovno\t{$src2, $dst|$dst, $src2}",
1099 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1100 X86_COND_NO, EFLAGS))]>,
1102 def CMOVNO32rr : I<0x41, MRMSrcReg, // if !overflow, GR32 = GR32
1103 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1104 "cmovno\t{$src2, $dst|$dst, $src2}",
1105 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1106 X86_COND_NO, EFLAGS))]>,
1108 } // isCommutable = 1
1110 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1111 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1112 "cmovb\t{$src2, $dst|$dst, $src2}",
1113 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1114 X86_COND_B, EFLAGS))]>,
1116 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1117 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1118 "cmovb\t{$src2, $dst|$dst, $src2}",
1119 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1120 X86_COND_B, EFLAGS))]>,
1122 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1123 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1124 "cmovae\t{$src2, $dst|$dst, $src2}",
1125 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1126 X86_COND_AE, EFLAGS))]>,
1128 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1129 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1130 "cmovae\t{$src2, $dst|$dst, $src2}",
1131 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1132 X86_COND_AE, EFLAGS))]>,
1134 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1135 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1136 "cmove\t{$src2, $dst|$dst, $src2}",
1137 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1138 X86_COND_E, EFLAGS))]>,
1140 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1141 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1142 "cmove\t{$src2, $dst|$dst, $src2}",
1143 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1144 X86_COND_E, EFLAGS))]>,
1146 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1147 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1148 "cmovne\t{$src2, $dst|$dst, $src2}",
1149 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1150 X86_COND_NE, EFLAGS))]>,
1152 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1153 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1154 "cmovne\t{$src2, $dst|$dst, $src2}",
1155 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1156 X86_COND_NE, EFLAGS))]>,
1158 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1159 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1160 "cmovbe\t{$src2, $dst|$dst, $src2}",
1161 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1162 X86_COND_BE, EFLAGS))]>,
1164 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1165 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1166 "cmovbe\t{$src2, $dst|$dst, $src2}",
1167 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1168 X86_COND_BE, EFLAGS))]>,
1170 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1171 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1172 "cmova\t{$src2, $dst|$dst, $src2}",
1173 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1174 X86_COND_A, EFLAGS))]>,
1176 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1177 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1178 "cmova\t{$src2, $dst|$dst, $src2}",
1179 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1180 X86_COND_A, EFLAGS))]>,
1182 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1183 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1184 "cmovl\t{$src2, $dst|$dst, $src2}",
1185 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1186 X86_COND_L, EFLAGS))]>,
1188 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1189 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1190 "cmovl\t{$src2, $dst|$dst, $src2}",
1191 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1192 X86_COND_L, EFLAGS))]>,
1194 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1195 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1196 "cmovge\t{$src2, $dst|$dst, $src2}",
1197 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1198 X86_COND_GE, EFLAGS))]>,
1200 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1201 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1202 "cmovge\t{$src2, $dst|$dst, $src2}",
1203 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1204 X86_COND_GE, EFLAGS))]>,
1206 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1207 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1208 "cmovle\t{$src2, $dst|$dst, $src2}",
1209 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1210 X86_COND_LE, EFLAGS))]>,
1212 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1213 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1214 "cmovle\t{$src2, $dst|$dst, $src2}",
1215 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1216 X86_COND_LE, EFLAGS))]>,
1218 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1219 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1220 "cmovg\t{$src2, $dst|$dst, $src2}",
1221 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1222 X86_COND_G, EFLAGS))]>,
1224 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1225 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1226 "cmovg\t{$src2, $dst|$dst, $src2}",
1227 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1228 X86_COND_G, EFLAGS))]>,
1230 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1231 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1232 "cmovs\t{$src2, $dst|$dst, $src2}",
1233 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1234 X86_COND_S, EFLAGS))]>,
1236 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1237 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1238 "cmovs\t{$src2, $dst|$dst, $src2}",
1239 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1240 X86_COND_S, EFLAGS))]>,
1242 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1243 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1244 "cmovns\t{$src2, $dst|$dst, $src2}",
1245 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1246 X86_COND_NS, EFLAGS))]>,
1248 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1249 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1250 "cmovns\t{$src2, $dst|$dst, $src2}",
1251 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1252 X86_COND_NS, EFLAGS))]>,
1254 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1255 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1256 "cmovp\t{$src2, $dst|$dst, $src2}",
1257 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1258 X86_COND_P, EFLAGS))]>,
1260 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1261 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1262 "cmovp\t{$src2, $dst|$dst, $src2}",
1263 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1264 X86_COND_P, EFLAGS))]>,
1266 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1267 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1268 "cmovnp\t{$src2, $dst|$dst, $src2}",
1269 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1270 X86_COND_NP, EFLAGS))]>,
1272 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1273 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1274 "cmovnp\t{$src2, $dst|$dst, $src2}",
1275 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1276 X86_COND_NP, EFLAGS))]>,
1278 def CMOVO16rm : I<0x40, MRMSrcMem, // if overflow, GR16 = [mem16]
1279 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1280 "cmovo\t{$src2, $dst|$dst, $src2}",
1281 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1282 X86_COND_O, EFLAGS))]>,
1284 def CMOVO32rm : I<0x40, MRMSrcMem, // if overflow, GR32 = [mem32]
1285 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1286 "cmovo\t{$src2, $dst|$dst, $src2}",
1287 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1288 X86_COND_O, EFLAGS))]>,
1290 def CMOVNO16rm : I<0x41, MRMSrcMem, // if !overflow, GR16 = [mem16]
1291 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1292 "cmovno\t{$src2, $dst|$dst, $src2}",
1293 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1294 X86_COND_NO, EFLAGS))]>,
1296 def CMOVNO32rm : I<0x41, MRMSrcMem, // if !overflow, GR32 = [mem32]
1297 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1298 "cmovno\t{$src2, $dst|$dst, $src2}",
1299 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1300 X86_COND_NO, EFLAGS))]>,
1302 } // Uses = [EFLAGS]
1305 // unary instructions
1306 let CodeSize = 2 in {
1307 let Defs = [EFLAGS] in {
1308 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src), "neg{b}\t$dst",
1309 [(set GR8:$dst, (ineg GR8:$src)),
1310 (implicit EFLAGS)]>;
1311 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src), "neg{w}\t$dst",
1312 [(set GR16:$dst, (ineg GR16:$src)),
1313 (implicit EFLAGS)]>, OpSize;
1314 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src), "neg{l}\t$dst",
1315 [(set GR32:$dst, (ineg GR32:$src)),
1316 (implicit EFLAGS)]>;
1317 let isTwoAddress = 0 in {
1318 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), "neg{b}\t$dst",
1319 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
1320 (implicit EFLAGS)]>;
1321 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), "neg{w}\t$dst",
1322 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
1323 (implicit EFLAGS)]>, OpSize;
1324 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), "neg{l}\t$dst",
1325 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
1326 (implicit EFLAGS)]>;
1328 } // Defs = [EFLAGS]
1330 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
1331 let AddedComplexity = 15 in {
1332 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src), "not{b}\t$dst",
1333 [(set GR8:$dst, (not GR8:$src))]>;
1334 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src), "not{w}\t$dst",
1335 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1336 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src), "not{l}\t$dst",
1337 [(set GR32:$dst, (not GR32:$src))]>;
1339 let isTwoAddress = 0 in {
1340 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), "not{b}\t$dst",
1341 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1342 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), "not{w}\t$dst",
1343 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1344 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), "not{l}\t$dst",
1345 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1349 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1350 let Defs = [EFLAGS] in {
1352 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
1353 [(set GR8:$dst, (add GR8:$src, 1)),
1354 (implicit EFLAGS)]>;
1355 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1356 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "inc{w}\t$dst",
1357 [(set GR16:$dst, (add GR16:$src, 1)),
1358 (implicit EFLAGS)]>,
1359 OpSize, Requires<[In32BitMode]>;
1360 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "inc{l}\t$dst",
1361 [(set GR32:$dst, (add GR32:$src, 1)),
1362 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1364 let isTwoAddress = 0, CodeSize = 2 in {
1365 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1366 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
1367 (implicit EFLAGS)]>;
1368 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1369 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
1370 (implicit EFLAGS)]>,
1371 OpSize, Requires<[In32BitMode]>;
1372 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1373 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
1374 (implicit EFLAGS)]>,
1375 Requires<[In32BitMode]>;
1379 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src), "dec{b}\t$dst",
1380 [(set GR8:$dst, (add GR8:$src, -1)),
1381 (implicit EFLAGS)]>;
1382 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1383 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "dec{w}\t$dst",
1384 [(set GR16:$dst, (add GR16:$src, -1)),
1385 (implicit EFLAGS)]>,
1386 OpSize, Requires<[In32BitMode]>;
1387 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "dec{l}\t$dst",
1388 [(set GR32:$dst, (add GR32:$src, -1)),
1389 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1392 let isTwoAddress = 0, CodeSize = 2 in {
1393 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1394 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
1395 (implicit EFLAGS)]>;
1396 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1397 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
1398 (implicit EFLAGS)]>,
1399 OpSize, Requires<[In32BitMode]>;
1400 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1401 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
1402 (implicit EFLAGS)]>,
1403 Requires<[In32BitMode]>;
1405 } // Defs = [EFLAGS]
1407 // Logical operators...
1408 let Defs = [EFLAGS] in {
1409 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1410 def AND8rr : I<0x20, MRMDestReg,
1411 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1412 "and{b}\t{$src2, $dst|$dst, $src2}",
1413 [(set GR8:$dst, (and GR8:$src1, GR8:$src2)),
1414 (implicit EFLAGS)]>;
1415 def AND16rr : I<0x21, MRMDestReg,
1416 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1417 "and{w}\t{$src2, $dst|$dst, $src2}",
1418 [(set GR16:$dst, (and GR16:$src1, GR16:$src2)),
1419 (implicit EFLAGS)]>, OpSize;
1420 def AND32rr : I<0x21, MRMDestReg,
1421 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1422 "and{l}\t{$src2, $dst|$dst, $src2}",
1423 [(set GR32:$dst, (and GR32:$src1, GR32:$src2)),
1424 (implicit EFLAGS)]>;
1427 def AND8rm : I<0x22, MRMSrcMem,
1428 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1429 "and{b}\t{$src2, $dst|$dst, $src2}",
1430 [(set GR8:$dst, (and GR8:$src1, (loadi8 addr:$src2))),
1431 (implicit EFLAGS)]>;
1432 def AND16rm : I<0x23, MRMSrcMem,
1433 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1434 "and{w}\t{$src2, $dst|$dst, $src2}",
1435 [(set GR16:$dst, (and GR16:$src1, (loadi16 addr:$src2))),
1436 (implicit EFLAGS)]>, OpSize;
1437 def AND32rm : I<0x23, MRMSrcMem,
1438 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1439 "and{l}\t{$src2, $dst|$dst, $src2}",
1440 [(set GR32:$dst, (and GR32:$src1, (loadi32 addr:$src2))),
1441 (implicit EFLAGS)]>;
1443 def AND8ri : Ii8<0x80, MRM4r,
1444 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1445 "and{b}\t{$src2, $dst|$dst, $src2}",
1446 [(set GR8:$dst, (and GR8:$src1, imm:$src2)),
1447 (implicit EFLAGS)]>;
1448 def AND16ri : Ii16<0x81, MRM4r,
1449 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1450 "and{w}\t{$src2, $dst|$dst, $src2}",
1451 [(set GR16:$dst, (and GR16:$src1, imm:$src2)),
1452 (implicit EFLAGS)]>, OpSize;
1453 def AND32ri : Ii32<0x81, MRM4r,
1454 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1455 "and{l}\t{$src2, $dst|$dst, $src2}",
1456 [(set GR32:$dst, (and GR32:$src1, imm:$src2)),
1457 (implicit EFLAGS)]>;
1458 def AND16ri8 : Ii8<0x83, MRM4r,
1459 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1460 "and{w}\t{$src2, $dst|$dst, $src2}",
1461 [(set GR16:$dst, (and GR16:$src1, i16immSExt8:$src2)),
1462 (implicit EFLAGS)]>,
1464 def AND32ri8 : Ii8<0x83, MRM4r,
1465 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1466 "and{l}\t{$src2, $dst|$dst, $src2}",
1467 [(set GR32:$dst, (and GR32:$src1, i32immSExt8:$src2)),
1468 (implicit EFLAGS)]>;
1470 let isTwoAddress = 0 in {
1471 def AND8mr : I<0x20, MRMDestMem,
1472 (outs), (ins i8mem :$dst, GR8 :$src),
1473 "and{b}\t{$src, $dst|$dst, $src}",
1474 [(store (and (load addr:$dst), GR8:$src), addr:$dst),
1475 (implicit EFLAGS)]>;
1476 def AND16mr : I<0x21, MRMDestMem,
1477 (outs), (ins i16mem:$dst, GR16:$src),
1478 "and{w}\t{$src, $dst|$dst, $src}",
1479 [(store (and (load addr:$dst), GR16:$src), addr:$dst),
1480 (implicit EFLAGS)]>,
1482 def AND32mr : I<0x21, MRMDestMem,
1483 (outs), (ins i32mem:$dst, GR32:$src),
1484 "and{l}\t{$src, $dst|$dst, $src}",
1485 [(store (and (load addr:$dst), GR32:$src), addr:$dst),
1486 (implicit EFLAGS)]>;
1487 def AND8mi : Ii8<0x80, MRM4m,
1488 (outs), (ins i8mem :$dst, i8imm :$src),
1489 "and{b}\t{$src, $dst|$dst, $src}",
1490 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
1491 (implicit EFLAGS)]>;
1492 def AND16mi : Ii16<0x81, MRM4m,
1493 (outs), (ins i16mem:$dst, i16imm:$src),
1494 "and{w}\t{$src, $dst|$dst, $src}",
1495 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
1496 (implicit EFLAGS)]>,
1498 def AND32mi : Ii32<0x81, MRM4m,
1499 (outs), (ins i32mem:$dst, i32imm:$src),
1500 "and{l}\t{$src, $dst|$dst, $src}",
1501 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
1502 (implicit EFLAGS)]>;
1503 def AND16mi8 : Ii8<0x83, MRM4m,
1504 (outs), (ins i16mem:$dst, i16i8imm :$src),
1505 "and{w}\t{$src, $dst|$dst, $src}",
1506 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
1507 (implicit EFLAGS)]>,
1509 def AND32mi8 : Ii8<0x83, MRM4m,
1510 (outs), (ins i32mem:$dst, i32i8imm :$src),
1511 "and{l}\t{$src, $dst|$dst, $src}",
1512 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
1513 (implicit EFLAGS)]>;
1517 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1518 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1519 "or{b}\t{$src2, $dst|$dst, $src2}",
1520 [(set GR8:$dst, (or GR8:$src1, GR8:$src2)),
1521 (implicit EFLAGS)]>;
1522 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1523 "or{w}\t{$src2, $dst|$dst, $src2}",
1524 [(set GR16:$dst, (or GR16:$src1, GR16:$src2)),
1525 (implicit EFLAGS)]>, OpSize;
1526 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1527 "or{l}\t{$src2, $dst|$dst, $src2}",
1528 [(set GR32:$dst, (or GR32:$src1, GR32:$src2)),
1529 (implicit EFLAGS)]>;
1531 def OR8rm : I<0x0A, MRMSrcMem , (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1532 "or{b}\t{$src2, $dst|$dst, $src2}",
1533 [(set GR8:$dst, (or GR8:$src1, (load addr:$src2))),
1534 (implicit EFLAGS)]>;
1535 def OR16rm : I<0x0B, MRMSrcMem , (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1536 "or{w}\t{$src2, $dst|$dst, $src2}",
1537 [(set GR16:$dst, (or GR16:$src1, (load addr:$src2))),
1538 (implicit EFLAGS)]>, OpSize;
1539 def OR32rm : I<0x0B, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1540 "or{l}\t{$src2, $dst|$dst, $src2}",
1541 [(set GR32:$dst, (or GR32:$src1, (load addr:$src2))),
1542 (implicit EFLAGS)]>;
1544 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1545 "or{b}\t{$src2, $dst|$dst, $src2}",
1546 [(set GR8:$dst, (or GR8:$src1, imm:$src2)),
1547 (implicit EFLAGS)]>;
1548 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1549 "or{w}\t{$src2, $dst|$dst, $src2}",
1550 [(set GR16:$dst, (or GR16:$src1, imm:$src2)),
1551 (implicit EFLAGS)]>, OpSize;
1552 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1553 "or{l}\t{$src2, $dst|$dst, $src2}",
1554 [(set GR32:$dst, (or GR32:$src1, imm:$src2)),
1555 (implicit EFLAGS)]>;
1557 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1558 "or{w}\t{$src2, $dst|$dst, $src2}",
1559 [(set GR16:$dst, (or GR16:$src1, i16immSExt8:$src2)),
1560 (implicit EFLAGS)]>, OpSize;
1561 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1562 "or{l}\t{$src2, $dst|$dst, $src2}",
1563 [(set GR32:$dst, (or GR32:$src1, i32immSExt8:$src2)),
1564 (implicit EFLAGS)]>;
1565 let isTwoAddress = 0 in {
1566 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1567 "or{b}\t{$src, $dst|$dst, $src}",
1568 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
1569 (implicit EFLAGS)]>;
1570 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1571 "or{w}\t{$src, $dst|$dst, $src}",
1572 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
1573 (implicit EFLAGS)]>, OpSize;
1574 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1575 "or{l}\t{$src, $dst|$dst, $src}",
1576 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
1577 (implicit EFLAGS)]>;
1578 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1579 "or{b}\t{$src, $dst|$dst, $src}",
1580 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
1581 (implicit EFLAGS)]>;
1582 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
1583 "or{w}\t{$src, $dst|$dst, $src}",
1584 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
1585 (implicit EFLAGS)]>,
1587 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
1588 "or{l}\t{$src, $dst|$dst, $src}",
1589 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
1590 (implicit EFLAGS)]>;
1591 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
1592 "or{w}\t{$src, $dst|$dst, $src}",
1593 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
1594 (implicit EFLAGS)]>,
1596 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
1597 "or{l}\t{$src, $dst|$dst, $src}",
1598 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
1599 (implicit EFLAGS)]>;
1600 } // isTwoAddress = 0
1603 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1604 def XOR8rr : I<0x30, MRMDestReg,
1605 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1606 "xor{b}\t{$src2, $dst|$dst, $src2}",
1607 [(set GR8:$dst, (xor GR8:$src1, GR8:$src2)),
1608 (implicit EFLAGS)]>;
1609 def XOR16rr : I<0x31, MRMDestReg,
1610 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1611 "xor{w}\t{$src2, $dst|$dst, $src2}",
1612 [(set GR16:$dst, (xor GR16:$src1, GR16:$src2)),
1613 (implicit EFLAGS)]>, OpSize;
1614 def XOR32rr : I<0x31, MRMDestReg,
1615 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1616 "xor{l}\t{$src2, $dst|$dst, $src2}",
1617 [(set GR32:$dst, (xor GR32:$src1, GR32:$src2)),
1618 (implicit EFLAGS)]>;
1619 } // isCommutable = 1
1621 def XOR8rm : I<0x32, MRMSrcMem ,
1622 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
1623 "xor{b}\t{$src2, $dst|$dst, $src2}",
1624 [(set GR8:$dst, (xor GR8:$src1, (load addr:$src2))),
1625 (implicit EFLAGS)]>;
1626 def XOR16rm : I<0x33, MRMSrcMem ,
1627 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1628 "xor{w}\t{$src2, $dst|$dst, $src2}",
1629 [(set GR16:$dst, (xor GR16:$src1, (load addr:$src2))),
1630 (implicit EFLAGS)]>,
1632 def XOR32rm : I<0x33, MRMSrcMem ,
1633 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1634 "xor{l}\t{$src2, $dst|$dst, $src2}",
1635 [(set GR32:$dst, (xor GR32:$src1, (load addr:$src2))),
1636 (implicit EFLAGS)]>;
1638 def XOR8ri : Ii8<0x80, MRM6r,
1639 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1640 "xor{b}\t{$src2, $dst|$dst, $src2}",
1641 [(set GR8:$dst, (xor GR8:$src1, imm:$src2)),
1642 (implicit EFLAGS)]>;
1643 def XOR16ri : Ii16<0x81, MRM6r,
1644 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1645 "xor{w}\t{$src2, $dst|$dst, $src2}",
1646 [(set GR16:$dst, (xor GR16:$src1, imm:$src2)),
1647 (implicit EFLAGS)]>, OpSize;
1648 def XOR32ri : Ii32<0x81, MRM6r,
1649 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1650 "xor{l}\t{$src2, $dst|$dst, $src2}",
1651 [(set GR32:$dst, (xor GR32:$src1, imm:$src2)),
1652 (implicit EFLAGS)]>;
1653 def XOR16ri8 : Ii8<0x83, MRM6r,
1654 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1655 "xor{w}\t{$src2, $dst|$dst, $src2}",
1656 [(set GR16:$dst, (xor GR16:$src1, i16immSExt8:$src2)),
1657 (implicit EFLAGS)]>,
1659 def XOR32ri8 : Ii8<0x83, MRM6r,
1660 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1661 "xor{l}\t{$src2, $dst|$dst, $src2}",
1662 [(set GR32:$dst, (xor GR32:$src1, i32immSExt8:$src2)),
1663 (implicit EFLAGS)]>;
1665 let isTwoAddress = 0 in {
1666 def XOR8mr : I<0x30, MRMDestMem,
1667 (outs), (ins i8mem :$dst, GR8 :$src),
1668 "xor{b}\t{$src, $dst|$dst, $src}",
1669 [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
1670 (implicit EFLAGS)]>;
1671 def XOR16mr : I<0x31, MRMDestMem,
1672 (outs), (ins i16mem:$dst, GR16:$src),
1673 "xor{w}\t{$src, $dst|$dst, $src}",
1674 [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
1675 (implicit EFLAGS)]>,
1677 def XOR32mr : I<0x31, MRMDestMem,
1678 (outs), (ins i32mem:$dst, GR32:$src),
1679 "xor{l}\t{$src, $dst|$dst, $src}",
1680 [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
1681 (implicit EFLAGS)]>;
1682 def XOR8mi : Ii8<0x80, MRM6m,
1683 (outs), (ins i8mem :$dst, i8imm :$src),
1684 "xor{b}\t{$src, $dst|$dst, $src}",
1685 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
1686 (implicit EFLAGS)]>;
1687 def XOR16mi : Ii16<0x81, MRM6m,
1688 (outs), (ins i16mem:$dst, i16imm:$src),
1689 "xor{w}\t{$src, $dst|$dst, $src}",
1690 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
1691 (implicit EFLAGS)]>,
1693 def XOR32mi : Ii32<0x81, MRM6m,
1694 (outs), (ins i32mem:$dst, i32imm:$src),
1695 "xor{l}\t{$src, $dst|$dst, $src}",
1696 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
1697 (implicit EFLAGS)]>;
1698 def XOR16mi8 : Ii8<0x83, MRM6m,
1699 (outs), (ins i16mem:$dst, i16i8imm :$src),
1700 "xor{w}\t{$src, $dst|$dst, $src}",
1701 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
1702 (implicit EFLAGS)]>,
1704 def XOR32mi8 : Ii8<0x83, MRM6m,
1705 (outs), (ins i32mem:$dst, i32i8imm :$src),
1706 "xor{l}\t{$src, $dst|$dst, $src}",
1707 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
1708 (implicit EFLAGS)]>;
1709 } // isTwoAddress = 0
1710 } // Defs = [EFLAGS]
1712 // Shift instructions
1713 let Defs = [EFLAGS] in {
1714 let Uses = [CL] in {
1715 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src),
1716 "shl{b}\t{%cl, $dst|$dst, %CL}",
1717 [(set GR8:$dst, (shl GR8:$src, CL))]>;
1718 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src),
1719 "shl{w}\t{%cl, $dst|$dst, %CL}",
1720 [(set GR16:$dst, (shl GR16:$src, CL))]>, OpSize;
1721 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src),
1722 "shl{l}\t{%cl, $dst|$dst, %CL}",
1723 [(set GR32:$dst, (shl GR32:$src, CL))]>;
1726 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1727 "shl{b}\t{$src2, $dst|$dst, $src2}",
1728 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
1729 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1730 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1731 "shl{w}\t{$src2, $dst|$dst, $src2}",
1732 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1733 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1734 "shl{l}\t{$src2, $dst|$dst, $src2}",
1735 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
1736 // NOTE: We don't use shifts of a register by one, because 'add reg,reg' is
1738 } // isConvertibleToThreeAddress = 1
1740 let isTwoAddress = 0 in {
1741 let Uses = [CL] in {
1742 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
1743 "shl{b}\t{%cl, $dst|$dst, %CL}",
1744 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
1745 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
1746 "shl{w}\t{%cl, $dst|$dst, %CL}",
1747 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1748 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
1749 "shl{l}\t{%cl, $dst|$dst, %CL}",
1750 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
1752 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
1753 "shl{b}\t{$src, $dst|$dst, $src}",
1754 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1755 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
1756 "shl{w}\t{$src, $dst|$dst, $src}",
1757 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1759 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
1760 "shl{l}\t{$src, $dst|$dst, $src}",
1761 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1764 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
1766 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1767 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
1769 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1771 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
1773 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1776 let Uses = [CL] in {
1777 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src),
1778 "shr{b}\t{%cl, $dst|$dst, %CL}",
1779 [(set GR8:$dst, (srl GR8:$src, CL))]>;
1780 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src),
1781 "shr{w}\t{%cl, $dst|$dst, %CL}",
1782 [(set GR16:$dst, (srl GR16:$src, CL))]>, OpSize;
1783 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src),
1784 "shr{l}\t{%cl, $dst|$dst, %CL}",
1785 [(set GR32:$dst, (srl GR32:$src, CL))]>;
1788 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1789 "shr{b}\t{$src2, $dst|$dst, $src2}",
1790 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
1791 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1792 "shr{w}\t{$src2, $dst|$dst, $src2}",
1793 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1794 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1795 "shr{l}\t{$src2, $dst|$dst, $src2}",
1796 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
1799 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
1801 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
1802 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
1804 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
1805 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
1807 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
1809 let isTwoAddress = 0 in {
1810 let Uses = [CL] in {
1811 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
1812 "shr{b}\t{%cl, $dst|$dst, %CL}",
1813 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
1814 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
1815 "shr{w}\t{%cl, $dst|$dst, %CL}",
1816 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
1818 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
1819 "shr{l}\t{%cl, $dst|$dst, %CL}",
1820 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
1822 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
1823 "shr{b}\t{$src, $dst|$dst, $src}",
1824 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1825 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
1826 "shr{w}\t{$src, $dst|$dst, $src}",
1827 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1829 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
1830 "shr{l}\t{$src, $dst|$dst, $src}",
1831 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1834 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
1836 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1837 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
1839 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
1840 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
1842 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1845 let Uses = [CL] in {
1846 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src),
1847 "sar{b}\t{%cl, $dst|$dst, %CL}",
1848 [(set GR8:$dst, (sra GR8:$src, CL))]>;
1849 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src),
1850 "sar{w}\t{%cl, $dst|$dst, %CL}",
1851 [(set GR16:$dst, (sra GR16:$src, CL))]>, OpSize;
1852 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src),
1853 "sar{l}\t{%cl, $dst|$dst, %CL}",
1854 [(set GR32:$dst, (sra GR32:$src, CL))]>;
1857 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1858 "sar{b}\t{$src2, $dst|$dst, $src2}",
1859 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
1860 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1861 "sar{w}\t{$src2, $dst|$dst, $src2}",
1862 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
1864 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1865 "sar{l}\t{$src2, $dst|$dst, $src2}",
1866 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
1869 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
1871 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
1872 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
1874 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
1875 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
1877 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
1879 let isTwoAddress = 0 in {
1880 let Uses = [CL] in {
1881 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
1882 "sar{b}\t{%cl, $dst|$dst, %CL}",
1883 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
1884 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
1885 "sar{w}\t{%cl, $dst|$dst, %CL}",
1886 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1887 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
1888 "sar{l}\t{%cl, $dst|$dst, %CL}",
1889 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
1891 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
1892 "sar{b}\t{$src, $dst|$dst, $src}",
1893 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1894 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
1895 "sar{w}\t{$src, $dst|$dst, $src}",
1896 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1898 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
1899 "sar{l}\t{$src, $dst|$dst, $src}",
1900 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1903 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
1905 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1906 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
1908 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1910 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
1912 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1915 // Rotate instructions
1916 // FIXME: provide shorter instructions when imm8 == 1
1917 let Uses = [CL] in {
1918 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),
1919 "rol{b}\t{%cl, $dst|$dst, %CL}",
1920 [(set GR8:$dst, (rotl GR8:$src, CL))]>;
1921 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src),
1922 "rol{w}\t{%cl, $dst|$dst, %CL}",
1923 [(set GR16:$dst, (rotl GR16:$src, CL))]>, OpSize;
1924 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src),
1925 "rol{l}\t{%cl, $dst|$dst, %CL}",
1926 [(set GR32:$dst, (rotl GR32:$src, CL))]>;
1929 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1930 "rol{b}\t{$src2, $dst|$dst, $src2}",
1931 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
1932 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1933 "rol{w}\t{$src2, $dst|$dst, $src2}",
1934 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1935 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1936 "rol{l}\t{$src2, $dst|$dst, $src2}",
1937 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
1940 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
1942 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
1943 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
1945 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
1946 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
1948 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
1950 let isTwoAddress = 0 in {
1951 let Uses = [CL] in {
1952 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
1953 "rol{b}\t{%cl, $dst|$dst, %CL}",
1954 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
1955 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
1956 "rol{w}\t{%cl, $dst|$dst, %CL}",
1957 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1958 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
1959 "rol{l}\t{%cl, $dst|$dst, %CL}",
1960 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
1962 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
1963 "rol{b}\t{$src, $dst|$dst, $src}",
1964 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1965 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
1966 "rol{w}\t{$src, $dst|$dst, $src}",
1967 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1969 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
1970 "rol{l}\t{$src, $dst|$dst, $src}",
1971 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1974 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
1976 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1977 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
1979 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1981 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
1983 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1986 let Uses = [CL] in {
1987 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),
1988 "ror{b}\t{%cl, $dst|$dst, %CL}",
1989 [(set GR8:$dst, (rotr GR8:$src, CL))]>;
1990 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src),
1991 "ror{w}\t{%cl, $dst|$dst, %CL}",
1992 [(set GR16:$dst, (rotr GR16:$src, CL))]>, OpSize;
1993 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src),
1994 "ror{l}\t{%cl, $dst|$dst, %CL}",
1995 [(set GR32:$dst, (rotr GR32:$src, CL))]>;
1998 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1999 "ror{b}\t{$src2, $dst|$dst, $src2}",
2000 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
2001 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2002 "ror{w}\t{$src2, $dst|$dst, $src2}",
2003 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2004 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2005 "ror{l}\t{$src2, $dst|$dst, $src2}",
2006 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
2009 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2011 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
2012 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2014 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
2015 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2017 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
2019 let isTwoAddress = 0 in {
2020 let Uses = [CL] in {
2021 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
2022 "ror{b}\t{%cl, $dst|$dst, %CL}",
2023 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
2024 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
2025 "ror{w}\t{%cl, $dst|$dst, %CL}",
2026 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2027 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
2028 "ror{l}\t{%cl, $dst|$dst, %CL}",
2029 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
2031 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2032 "ror{b}\t{$src, $dst|$dst, $src}",
2033 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2034 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
2035 "ror{w}\t{$src, $dst|$dst, $src}",
2036 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2038 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
2039 "ror{l}\t{$src, $dst|$dst, $src}",
2040 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2043 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
2045 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2046 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
2048 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2050 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
2052 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2057 // Double shift instructions (generalizations of rotate)
2058 let Uses = [CL] in {
2059 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2060 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2061 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
2062 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2063 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2064 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
2065 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2066 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2067 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
2069 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2070 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2071 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
2075 let isCommutable = 1 in { // These instructions commute to each other.
2076 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
2077 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2078 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2079 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
2082 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
2083 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2084 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2085 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
2088 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
2089 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2090 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2091 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
2094 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
2095 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2096 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2097 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
2102 let isTwoAddress = 0 in {
2103 let Uses = [CL] in {
2104 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2105 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2106 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
2108 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2109 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2110 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
2113 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
2114 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2115 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2116 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
2117 (i8 imm:$src3)), addr:$dst)]>,
2119 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
2120 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2121 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2122 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
2123 (i8 imm:$src3)), addr:$dst)]>,
2126 let Uses = [CL] in {
2127 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2128 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2129 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
2130 addr:$dst)]>, TB, OpSize;
2131 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2132 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2133 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
2134 addr:$dst)]>, TB, OpSize;
2136 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
2137 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2138 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2139 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
2140 (i8 imm:$src3)), addr:$dst)]>,
2142 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
2143 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2144 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2145 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
2146 (i8 imm:$src3)), addr:$dst)]>,
2149 } // Defs = [EFLAGS]
2153 let Defs = [EFLAGS] in {
2154 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
2155 // Register-Register Addition
2156 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
2157 (ins GR8 :$src1, GR8 :$src2),
2158 "add{b}\t{$src2, $dst|$dst, $src2}",
2159 [(set GR8:$dst, (add GR8:$src1, GR8:$src2)),
2160 (implicit EFLAGS)]>;
2162 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2163 // Register-Register Addition
2164 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
2165 (ins GR16:$src1, GR16:$src2),
2166 "add{w}\t{$src2, $dst|$dst, $src2}",
2167 [(set GR16:$dst, (add GR16:$src1, GR16:$src2)),
2168 (implicit EFLAGS)]>, OpSize;
2169 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
2170 (ins GR32:$src1, GR32:$src2),
2171 "add{l}\t{$src2, $dst|$dst, $src2}",
2172 [(set GR32:$dst, (add GR32:$src1, GR32:$src2)),
2173 (implicit EFLAGS)]>;
2174 } // end isConvertibleToThreeAddress
2175 } // end isCommutable
2177 // Register-Memory Addition
2178 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
2179 (ins GR8 :$src1, i8mem :$src2),
2180 "add{b}\t{$src2, $dst|$dst, $src2}",
2181 [(set GR8:$dst, (add GR8:$src1, (load addr:$src2))),
2182 (implicit EFLAGS)]>;
2183 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
2184 (ins GR16:$src1, i16mem:$src2),
2185 "add{w}\t{$src2, $dst|$dst, $src2}",
2186 [(set GR16:$dst, (add GR16:$src1, (load addr:$src2))),
2187 (implicit EFLAGS)]>, OpSize;
2188 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
2189 (ins GR32:$src1, i32mem:$src2),
2190 "add{l}\t{$src2, $dst|$dst, $src2}",
2191 [(set GR32:$dst, (add GR32:$src1, (load addr:$src2))),
2192 (implicit EFLAGS)]>;
2194 // Register-Integer Addition
2195 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2196 "add{b}\t{$src2, $dst|$dst, $src2}",
2197 [(set GR8:$dst, (add GR8:$src1, imm:$src2)),
2198 (implicit EFLAGS)]>;
2200 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2201 // Register-Integer Addition
2202 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
2203 (ins GR16:$src1, i16imm:$src2),
2204 "add{w}\t{$src2, $dst|$dst, $src2}",
2205 [(set GR16:$dst, (add GR16:$src1, imm:$src2)),
2206 (implicit EFLAGS)]>, OpSize;
2207 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2208 (ins GR32:$src1, i32imm:$src2),
2209 "add{l}\t{$src2, $dst|$dst, $src2}",
2210 [(set GR32:$dst, (add GR32:$src1, imm:$src2)),
2211 (implicit EFLAGS)]>;
2212 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2213 (ins GR16:$src1, i16i8imm:$src2),
2214 "add{w}\t{$src2, $dst|$dst, $src2}",
2215 [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2)),
2216 (implicit EFLAGS)]>, OpSize;
2217 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2218 (ins GR32:$src1, i32i8imm:$src2),
2219 "add{l}\t{$src2, $dst|$dst, $src2}",
2220 [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2)),
2221 (implicit EFLAGS)]>;
2224 let isTwoAddress = 0 in {
2225 // Memory-Register Addition
2226 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2227 "add{b}\t{$src2, $dst|$dst, $src2}",
2228 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2229 (implicit EFLAGS)]>;
2230 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2231 "add{w}\t{$src2, $dst|$dst, $src2}",
2232 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2233 (implicit EFLAGS)]>, OpSize;
2234 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2235 "add{l}\t{$src2, $dst|$dst, $src2}",
2236 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2237 (implicit EFLAGS)]>;
2238 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2239 "add{b}\t{$src2, $dst|$dst, $src2}",
2240 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2241 (implicit EFLAGS)]>;
2242 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2243 "add{w}\t{$src2, $dst|$dst, $src2}",
2244 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2245 (implicit EFLAGS)]>, OpSize;
2246 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2247 "add{l}\t{$src2, $dst|$dst, $src2}",
2248 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2249 (implicit EFLAGS)]>;
2250 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2251 "add{w}\t{$src2, $dst|$dst, $src2}",
2252 [(store (add (load addr:$dst), i16immSExt8:$src2),
2254 (implicit EFLAGS)]>, OpSize;
2255 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2256 "add{l}\t{$src2, $dst|$dst, $src2}",
2257 [(store (add (load addr:$dst), i32immSExt8:$src2),
2259 (implicit EFLAGS)]>;
2262 let Uses = [EFLAGS] in {
2263 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2264 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2265 "adc{l}\t{$src2, $dst|$dst, $src2}",
2266 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2268 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2269 "adc{l}\t{$src2, $dst|$dst, $src2}",
2270 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2271 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2272 "adc{l}\t{$src2, $dst|$dst, $src2}",
2273 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2274 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2275 "adc{l}\t{$src2, $dst|$dst, $src2}",
2276 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2278 let isTwoAddress = 0 in {
2279 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2280 "adc{l}\t{$src2, $dst|$dst, $src2}",
2281 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2282 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2283 "adc{l}\t{$src2, $dst|$dst, $src2}",
2284 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2285 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2286 "adc{l}\t{$src2, $dst|$dst, $src2}",
2287 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2289 } // Uses = [EFLAGS]
2291 // Register-Register Subtraction
2292 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2293 "sub{b}\t{$src2, $dst|$dst, $src2}",
2294 [(set GR8:$dst, (sub GR8:$src1, GR8:$src2)),
2295 (implicit EFLAGS)]>;
2296 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2297 "sub{w}\t{$src2, $dst|$dst, $src2}",
2298 [(set GR16:$dst, (sub GR16:$src1, GR16:$src2)),
2299 (implicit EFLAGS)]>, OpSize;
2300 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2301 "sub{l}\t{$src2, $dst|$dst, $src2}",
2302 [(set GR32:$dst, (sub GR32:$src1, GR32:$src2)),
2303 (implicit EFLAGS)]>;
2305 // Register-Memory Subtraction
2306 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
2307 (ins GR8 :$src1, i8mem :$src2),
2308 "sub{b}\t{$src2, $dst|$dst, $src2}",
2309 [(set GR8:$dst, (sub GR8:$src1, (load addr:$src2))),
2310 (implicit EFLAGS)]>;
2311 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
2312 (ins GR16:$src1, i16mem:$src2),
2313 "sub{w}\t{$src2, $dst|$dst, $src2}",
2314 [(set GR16:$dst, (sub GR16:$src1, (load addr:$src2))),
2315 (implicit EFLAGS)]>, OpSize;
2316 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
2317 (ins GR32:$src1, i32mem:$src2),
2318 "sub{l}\t{$src2, $dst|$dst, $src2}",
2319 [(set GR32:$dst, (sub GR32:$src1, (load addr:$src2))),
2320 (implicit EFLAGS)]>;
2322 // Register-Integer Subtraction
2323 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
2324 (ins GR8:$src1, i8imm:$src2),
2325 "sub{b}\t{$src2, $dst|$dst, $src2}",
2326 [(set GR8:$dst, (sub GR8:$src1, imm:$src2)),
2327 (implicit EFLAGS)]>;
2328 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
2329 (ins GR16:$src1, i16imm:$src2),
2330 "sub{w}\t{$src2, $dst|$dst, $src2}",
2331 [(set GR16:$dst, (sub GR16:$src1, imm:$src2)),
2332 (implicit EFLAGS)]>, OpSize;
2333 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
2334 (ins GR32:$src1, i32imm:$src2),
2335 "sub{l}\t{$src2, $dst|$dst, $src2}",
2336 [(set GR32:$dst, (sub GR32:$src1, imm:$src2)),
2337 (implicit EFLAGS)]>;
2338 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
2339 (ins GR16:$src1, i16i8imm:$src2),
2340 "sub{w}\t{$src2, $dst|$dst, $src2}",
2341 [(set GR16:$dst, (sub GR16:$src1, i16immSExt8:$src2)),
2342 (implicit EFLAGS)]>, OpSize;
2343 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
2344 (ins GR32:$src1, i32i8imm:$src2),
2345 "sub{l}\t{$src2, $dst|$dst, $src2}",
2346 [(set GR32:$dst, (sub GR32:$src1, i32immSExt8:$src2)),
2347 (implicit EFLAGS)]>;
2349 let isTwoAddress = 0 in {
2350 // Memory-Register Subtraction
2351 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
2352 "sub{b}\t{$src2, $dst|$dst, $src2}",
2353 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
2354 (implicit EFLAGS)]>;
2355 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2356 "sub{w}\t{$src2, $dst|$dst, $src2}",
2357 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
2358 (implicit EFLAGS)]>, OpSize;
2359 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2360 "sub{l}\t{$src2, $dst|$dst, $src2}",
2361 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
2362 (implicit EFLAGS)]>;
2364 // Memory-Integer Subtraction
2365 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
2366 "sub{b}\t{$src2, $dst|$dst, $src2}",
2367 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
2368 (implicit EFLAGS)]>;
2369 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
2370 "sub{w}\t{$src2, $dst|$dst, $src2}",
2371 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
2372 (implicit EFLAGS)]>, OpSize;
2373 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
2374 "sub{l}\t{$src2, $dst|$dst, $src2}",
2375 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
2376 (implicit EFLAGS)]>;
2377 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2378 "sub{w}\t{$src2, $dst|$dst, $src2}",
2379 [(store (sub (load addr:$dst), i16immSExt8:$src2),
2381 (implicit EFLAGS)]>, OpSize;
2382 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2383 "sub{l}\t{$src2, $dst|$dst, $src2}",
2384 [(store (sub (load addr:$dst), i32immSExt8:$src2),
2386 (implicit EFLAGS)]>;
2389 let Uses = [EFLAGS] in {
2390 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2391 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2392 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
2394 let isTwoAddress = 0 in {
2395 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2396 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2397 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
2398 def SBB8mi : Ii32<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
2399 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2400 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2401 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
2402 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2403 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2404 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2405 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2406 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2408 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2409 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2410 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
2411 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2412 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2413 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
2414 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2415 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2416 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
2417 } // Uses = [EFLAGS]
2418 } // Defs = [EFLAGS]
2420 let Defs = [EFLAGS] in {
2421 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
2422 // Register-Register Signed Integer Multiply
2423 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2424 "imul{w}\t{$src2, $dst|$dst, $src2}",
2425 [(set GR16:$dst, (mul GR16:$src1, GR16:$src2)),
2426 (implicit EFLAGS)]>, TB, OpSize;
2427 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2428 "imul{l}\t{$src2, $dst|$dst, $src2}",
2429 [(set GR32:$dst, (mul GR32:$src1, GR32:$src2)),
2430 (implicit EFLAGS)]>, TB;
2433 // Register-Memory Signed Integer Multiply
2434 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
2435 (ins GR16:$src1, i16mem:$src2),
2436 "imul{w}\t{$src2, $dst|$dst, $src2}",
2437 [(set GR16:$dst, (mul GR16:$src1, (load addr:$src2))),
2438 (implicit EFLAGS)]>, TB, OpSize;
2439 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2440 "imul{l}\t{$src2, $dst|$dst, $src2}",
2441 [(set GR32:$dst, (mul GR32:$src1, (load addr:$src2))),
2442 (implicit EFLAGS)]>, TB;
2443 } // Defs = [EFLAGS]
2444 } // end Two Address instructions
2446 // Suprisingly enough, these are not two address instructions!
2447 let Defs = [EFLAGS] in {
2448 // Register-Integer Signed Integer Multiply
2449 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
2450 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2451 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2452 [(set GR16:$dst, (mul GR16:$src1, imm:$src2)),
2453 (implicit EFLAGS)]>, OpSize;
2454 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
2455 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2456 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2457 [(set GR32:$dst, (mul GR32:$src1, imm:$src2)),
2458 (implicit EFLAGS)]>;
2459 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
2460 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2461 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2462 [(set GR16:$dst, (mul GR16:$src1, i16immSExt8:$src2)),
2463 (implicit EFLAGS)]>, OpSize;
2464 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
2465 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2466 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2467 [(set GR32:$dst, (mul GR32:$src1, i32immSExt8:$src2)),
2468 (implicit EFLAGS)]>;
2470 // Memory-Integer Signed Integer Multiply
2471 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
2472 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
2473 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2474 [(set GR16:$dst, (mul (load addr:$src1), imm:$src2)),
2475 (implicit EFLAGS)]>, OpSize;
2476 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
2477 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
2478 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2479 [(set GR32:$dst, (mul (load addr:$src1), imm:$src2)),
2480 (implicit EFLAGS)]>;
2481 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
2482 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
2483 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2484 [(set GR16:$dst, (mul (load addr:$src1),
2485 i16immSExt8:$src2)),
2486 (implicit EFLAGS)]>, OpSize;
2487 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
2488 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
2489 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2490 [(set GR32:$dst, (mul (load addr:$src1),
2491 i32immSExt8:$src2)),
2492 (implicit EFLAGS)]>;
2493 } // Defs = [EFLAGS]
2495 //===----------------------------------------------------------------------===//
2496 // Test instructions are just like AND, except they don't generate a result.
2498 let Defs = [EFLAGS] in {
2499 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
2500 def TEST8rr : I<0x84, MRMDestReg, (outs), (ins GR8:$src1, GR8:$src2),
2501 "test{b}\t{$src2, $src1|$src1, $src2}",
2502 [(X86cmp (and_su GR8:$src1, GR8:$src2), 0),
2503 (implicit EFLAGS)]>;
2504 def TEST16rr : I<0x85, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2505 "test{w}\t{$src2, $src1|$src1, $src2}",
2506 [(X86cmp (and_su GR16:$src1, GR16:$src2), 0),
2507 (implicit EFLAGS)]>,
2509 def TEST32rr : I<0x85, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2510 "test{l}\t{$src2, $src1|$src1, $src2}",
2511 [(X86cmp (and_su GR32:$src1, GR32:$src2), 0),
2512 (implicit EFLAGS)]>;
2515 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
2516 "test{b}\t{$src2, $src1|$src1, $src2}",
2517 [(X86cmp (and GR8:$src1, (loadi8 addr:$src2)), 0),
2518 (implicit EFLAGS)]>;
2519 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
2520 "test{w}\t{$src2, $src1|$src1, $src2}",
2521 [(X86cmp (and GR16:$src1, (loadi16 addr:$src2)), 0),
2522 (implicit EFLAGS)]>, OpSize;
2523 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
2524 "test{l}\t{$src2, $src1|$src1, $src2}",
2525 [(X86cmp (and GR32:$src1, (loadi32 addr:$src2)), 0),
2526 (implicit EFLAGS)]>;
2528 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
2529 (outs), (ins GR8:$src1, i8imm:$src2),
2530 "test{b}\t{$src2, $src1|$src1, $src2}",
2531 [(X86cmp (and_su GR8:$src1, imm:$src2), 0),
2532 (implicit EFLAGS)]>;
2533 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
2534 (outs), (ins GR16:$src1, i16imm:$src2),
2535 "test{w}\t{$src2, $src1|$src1, $src2}",
2536 [(X86cmp (and_su GR16:$src1, imm:$src2), 0),
2537 (implicit EFLAGS)]>, OpSize;
2538 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
2539 (outs), (ins GR32:$src1, i32imm:$src2),
2540 "test{l}\t{$src2, $src1|$src1, $src2}",
2541 [(X86cmp (and_su GR32:$src1, imm:$src2), 0),
2542 (implicit EFLAGS)]>;
2544 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
2545 (outs), (ins i8mem:$src1, i8imm:$src2),
2546 "test{b}\t{$src2, $src1|$src1, $src2}",
2547 [(X86cmp (and (loadi8 addr:$src1), imm:$src2), 0),
2548 (implicit EFLAGS)]>;
2549 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
2550 (outs), (ins i16mem:$src1, i16imm:$src2),
2551 "test{w}\t{$src2, $src1|$src1, $src2}",
2552 [(X86cmp (and (loadi16 addr:$src1), imm:$src2), 0),
2553 (implicit EFLAGS)]>, OpSize;
2554 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2555 (outs), (ins i32mem:$src1, i32imm:$src2),
2556 "test{l}\t{$src2, $src1|$src1, $src2}",
2557 [(X86cmp (and (loadi32 addr:$src1), imm:$src2), 0),
2558 (implicit EFLAGS)]>;
2559 } // Defs = [EFLAGS]
2562 // Condition code ops, incl. set if equal/not equal/...
2563 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
2564 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
2565 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
2566 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
2568 let Uses = [EFLAGS] in {
2569 def SETEr : I<0x94, MRM0r,
2570 (outs GR8 :$dst), (ins),
2572 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
2574 def SETEm : I<0x94, MRM0m,
2575 (outs), (ins i8mem:$dst),
2577 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
2580 def SETNEr : I<0x95, MRM0r,
2581 (outs GR8 :$dst), (ins),
2583 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
2585 def SETNEm : I<0x95, MRM0m,
2586 (outs), (ins i8mem:$dst),
2588 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
2591 def SETLr : I<0x9C, MRM0r,
2592 (outs GR8 :$dst), (ins),
2594 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
2595 TB; // GR8 = < signed
2596 def SETLm : I<0x9C, MRM0m,
2597 (outs), (ins i8mem:$dst),
2599 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
2600 TB; // [mem8] = < signed
2602 def SETGEr : I<0x9D, MRM0r,
2603 (outs GR8 :$dst), (ins),
2605 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
2606 TB; // GR8 = >= signed
2607 def SETGEm : I<0x9D, MRM0m,
2608 (outs), (ins i8mem:$dst),
2610 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
2611 TB; // [mem8] = >= signed
2613 def SETLEr : I<0x9E, MRM0r,
2614 (outs GR8 :$dst), (ins),
2616 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
2617 TB; // GR8 = <= signed
2618 def SETLEm : I<0x9E, MRM0m,
2619 (outs), (ins i8mem:$dst),
2621 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
2622 TB; // [mem8] = <= signed
2624 def SETGr : I<0x9F, MRM0r,
2625 (outs GR8 :$dst), (ins),
2627 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
2628 TB; // GR8 = > signed
2629 def SETGm : I<0x9F, MRM0m,
2630 (outs), (ins i8mem:$dst),
2632 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
2633 TB; // [mem8] = > signed
2635 def SETBr : I<0x92, MRM0r,
2636 (outs GR8 :$dst), (ins),
2638 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
2639 TB; // GR8 = < unsign
2640 def SETBm : I<0x92, MRM0m,
2641 (outs), (ins i8mem:$dst),
2643 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
2644 TB; // [mem8] = < unsign
2646 def SETAEr : I<0x93, MRM0r,
2647 (outs GR8 :$dst), (ins),
2649 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
2650 TB; // GR8 = >= unsign
2651 def SETAEm : I<0x93, MRM0m,
2652 (outs), (ins i8mem:$dst),
2654 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
2655 TB; // [mem8] = >= unsign
2657 def SETBEr : I<0x96, MRM0r,
2658 (outs GR8 :$dst), (ins),
2660 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
2661 TB; // GR8 = <= unsign
2662 def SETBEm : I<0x96, MRM0m,
2663 (outs), (ins i8mem:$dst),
2665 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
2666 TB; // [mem8] = <= unsign
2668 def SETAr : I<0x97, MRM0r,
2669 (outs GR8 :$dst), (ins),
2671 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
2672 TB; // GR8 = > signed
2673 def SETAm : I<0x97, MRM0m,
2674 (outs), (ins i8mem:$dst),
2676 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
2677 TB; // [mem8] = > signed
2679 def SETSr : I<0x98, MRM0r,
2680 (outs GR8 :$dst), (ins),
2682 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
2683 TB; // GR8 = <sign bit>
2684 def SETSm : I<0x98, MRM0m,
2685 (outs), (ins i8mem:$dst),
2687 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
2688 TB; // [mem8] = <sign bit>
2689 def SETNSr : I<0x99, MRM0r,
2690 (outs GR8 :$dst), (ins),
2692 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
2693 TB; // GR8 = !<sign bit>
2694 def SETNSm : I<0x99, MRM0m,
2695 (outs), (ins i8mem:$dst),
2697 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
2698 TB; // [mem8] = !<sign bit>
2700 def SETPr : I<0x9A, MRM0r,
2701 (outs GR8 :$dst), (ins),
2703 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
2705 def SETPm : I<0x9A, MRM0m,
2706 (outs), (ins i8mem:$dst),
2708 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
2709 TB; // [mem8] = parity
2710 def SETNPr : I<0x9B, MRM0r,
2711 (outs GR8 :$dst), (ins),
2713 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
2714 TB; // GR8 = not parity
2715 def SETNPm : I<0x9B, MRM0m,
2716 (outs), (ins i8mem:$dst),
2718 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
2719 TB; // [mem8] = not parity
2721 def SETOr : I<0x90, MRM0r,
2722 (outs GR8 :$dst), (ins),
2724 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
2725 TB; // GR8 = overflow
2726 def SETOm : I<0x90, MRM0m,
2727 (outs), (ins i8mem:$dst),
2729 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
2730 TB; // [mem8] = overflow
2731 def SETNOr : I<0x91, MRM0r,
2732 (outs GR8 :$dst), (ins),
2734 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
2735 TB; // GR8 = not overflow
2736 def SETNOm : I<0x91, MRM0m,
2737 (outs), (ins i8mem:$dst),
2739 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
2740 TB; // [mem8] = not overflow
2741 } // Uses = [EFLAGS]
2744 // Integer comparisons
2745 let Defs = [EFLAGS] in {
2746 def CMP8rr : I<0x38, MRMDestReg,
2747 (outs), (ins GR8 :$src1, GR8 :$src2),
2748 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2749 [(X86cmp GR8:$src1, GR8:$src2), (implicit EFLAGS)]>;
2750 def CMP16rr : I<0x39, MRMDestReg,
2751 (outs), (ins GR16:$src1, GR16:$src2),
2752 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2753 [(X86cmp GR16:$src1, GR16:$src2), (implicit EFLAGS)]>, OpSize;
2754 def CMP32rr : I<0x39, MRMDestReg,
2755 (outs), (ins GR32:$src1, GR32:$src2),
2756 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2757 [(X86cmp GR32:$src1, GR32:$src2), (implicit EFLAGS)]>;
2758 def CMP8mr : I<0x38, MRMDestMem,
2759 (outs), (ins i8mem :$src1, GR8 :$src2),
2760 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2761 [(X86cmp (loadi8 addr:$src1), GR8:$src2),
2762 (implicit EFLAGS)]>;
2763 def CMP16mr : I<0x39, MRMDestMem,
2764 (outs), (ins i16mem:$src1, GR16:$src2),
2765 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2766 [(X86cmp (loadi16 addr:$src1), GR16:$src2),
2767 (implicit EFLAGS)]>, OpSize;
2768 def CMP32mr : I<0x39, MRMDestMem,
2769 (outs), (ins i32mem:$src1, GR32:$src2),
2770 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2771 [(X86cmp (loadi32 addr:$src1), GR32:$src2),
2772 (implicit EFLAGS)]>;
2773 def CMP8rm : I<0x3A, MRMSrcMem,
2774 (outs), (ins GR8 :$src1, i8mem :$src2),
2775 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2776 [(X86cmp GR8:$src1, (loadi8 addr:$src2)),
2777 (implicit EFLAGS)]>;
2778 def CMP16rm : I<0x3B, MRMSrcMem,
2779 (outs), (ins GR16:$src1, i16mem:$src2),
2780 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2781 [(X86cmp GR16:$src1, (loadi16 addr:$src2)),
2782 (implicit EFLAGS)]>, OpSize;
2783 def CMP32rm : I<0x3B, MRMSrcMem,
2784 (outs), (ins GR32:$src1, i32mem:$src2),
2785 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2786 [(X86cmp GR32:$src1, (loadi32 addr:$src2)),
2787 (implicit EFLAGS)]>;
2788 def CMP8ri : Ii8<0x80, MRM7r,
2789 (outs), (ins GR8:$src1, i8imm:$src2),
2790 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2791 [(X86cmp GR8:$src1, imm:$src2), (implicit EFLAGS)]>;
2792 def CMP16ri : Ii16<0x81, MRM7r,
2793 (outs), (ins GR16:$src1, i16imm:$src2),
2794 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2795 [(X86cmp GR16:$src1, imm:$src2),
2796 (implicit EFLAGS)]>, OpSize;
2797 def CMP32ri : Ii32<0x81, MRM7r,
2798 (outs), (ins GR32:$src1, i32imm:$src2),
2799 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2800 [(X86cmp GR32:$src1, imm:$src2), (implicit EFLAGS)]>;
2801 def CMP8mi : Ii8 <0x80, MRM7m,
2802 (outs), (ins i8mem :$src1, i8imm :$src2),
2803 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2804 [(X86cmp (loadi8 addr:$src1), imm:$src2),
2805 (implicit EFLAGS)]>;
2806 def CMP16mi : Ii16<0x81, MRM7m,
2807 (outs), (ins i16mem:$src1, i16imm:$src2),
2808 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2809 [(X86cmp (loadi16 addr:$src1), imm:$src2),
2810 (implicit EFLAGS)]>, OpSize;
2811 def CMP32mi : Ii32<0x81, MRM7m,
2812 (outs), (ins i32mem:$src1, i32imm:$src2),
2813 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2814 [(X86cmp (loadi32 addr:$src1), imm:$src2),
2815 (implicit EFLAGS)]>;
2816 def CMP16ri8 : Ii8<0x83, MRM7r,
2817 (outs), (ins GR16:$src1, i16i8imm:$src2),
2818 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2819 [(X86cmp GR16:$src1, i16immSExt8:$src2),
2820 (implicit EFLAGS)]>, OpSize;
2821 def CMP16mi8 : Ii8<0x83, MRM7m,
2822 (outs), (ins i16mem:$src1, i16i8imm:$src2),
2823 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2824 [(X86cmp (loadi16 addr:$src1), i16immSExt8:$src2),
2825 (implicit EFLAGS)]>, OpSize;
2826 def CMP32mi8 : Ii8<0x83, MRM7m,
2827 (outs), (ins i32mem:$src1, i32i8imm:$src2),
2828 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2829 [(X86cmp (loadi32 addr:$src1), i32immSExt8:$src2),
2830 (implicit EFLAGS)]>;
2831 def CMP32ri8 : Ii8<0x83, MRM7r,
2832 (outs), (ins GR32:$src1, i32i8imm:$src2),
2833 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2834 [(X86cmp GR32:$src1, i32immSExt8:$src2),
2835 (implicit EFLAGS)]>;
2836 } // Defs = [EFLAGS]
2839 // TODO: BTC, BTR, and BTS
2840 let Defs = [EFLAGS] in {
2841 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2842 "bt{w}\t{$src2, $src1|$src1, $src2}",
2843 [(X86bt GR16:$src1, GR16:$src2),
2844 (implicit EFLAGS)]>, OpSize, TB;
2845 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2846 "bt{l}\t{$src2, $src1|$src1, $src2}",
2847 [(X86bt GR32:$src1, GR32:$src2),
2848 (implicit EFLAGS)]>, TB;
2850 // Unlike with the register+register form, the memory+register form of the
2851 // bt instruction does not ignore the high bits of the index. From ISel's
2852 // perspective, this is pretty bizarre. Disable these instructions for now.
2853 //def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
2854 // "bt{w}\t{$src2, $src1|$src1, $src2}",
2855 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
2856 // (implicit EFLAGS)]>, OpSize, TB, Requires<[FastBTMem]>;
2857 //def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
2858 // "bt{l}\t{$src2, $src1|$src1, $src2}",
2859 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
2860 // (implicit EFLAGS)]>, TB, Requires<[FastBTMem]>;
2862 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
2863 "bt{w}\t{$src2, $src1|$src1, $src2}",
2864 [(X86bt GR16:$src1, i16immSExt8:$src2),
2865 (implicit EFLAGS)]>, OpSize, TB;
2866 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
2867 "bt{l}\t{$src2, $src1|$src1, $src2}",
2868 [(X86bt GR32:$src1, i32immSExt8:$src2),
2869 (implicit EFLAGS)]>, TB;
2870 // Note that these instructions don't need FastBTMem because that
2871 // only applies when the other operand is in a register. When it's
2872 // an immediate, bt is still fast.
2873 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
2874 "bt{w}\t{$src2, $src1|$src1, $src2}",
2875 [(X86bt (loadi16 addr:$src1), i16immSExt8:$src2),
2876 (implicit EFLAGS)]>, OpSize, TB;
2877 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
2878 "bt{l}\t{$src2, $src1|$src1, $src2}",
2879 [(X86bt (loadi32 addr:$src1), i32immSExt8:$src2),
2880 (implicit EFLAGS)]>, TB;
2881 } // Defs = [EFLAGS]
2883 // Sign/Zero extenders
2884 // Use movsbl intead of movsbw; we don't care about the high 16 bits
2885 // of the register here. This has a smaller encoding and avoids a
2886 // partial-register update.
2887 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
2888 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2889 [(set GR16:$dst, (sext GR8:$src))]>, TB;
2890 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
2891 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2892 [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
2893 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
2894 "movs{bl|x}\t{$src, $dst|$dst, $src}",
2895 [(set GR32:$dst, (sext GR8:$src))]>, TB;
2896 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
2897 "movs{bl|x}\t{$src, $dst|$dst, $src}",
2898 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
2899 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
2900 "movs{wl|x}\t{$src, $dst|$dst, $src}",
2901 [(set GR32:$dst, (sext GR16:$src))]>, TB;
2902 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
2903 "movs{wl|x}\t{$src, $dst|$dst, $src}",
2904 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
2906 // Use movzbl intead of movzbw; we don't care about the high 16 bits
2907 // of the register here. This has a smaller encoding and avoids a
2908 // partial-register update.
2909 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
2910 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2911 [(set GR16:$dst, (zext GR8:$src))]>, TB;
2912 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
2913 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2914 [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
2915 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
2916 "movz{bl|x}\t{$src, $dst|$dst, $src}",
2917 [(set GR32:$dst, (zext GR8:$src))]>, TB;
2918 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
2919 "movz{bl|x}\t{$src, $dst|$dst, $src}",
2920 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
2921 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
2922 "movz{wl|x}\t{$src, $dst|$dst, $src}",
2923 [(set GR32:$dst, (zext GR16:$src))]>, TB;
2924 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
2925 "movz{wl|x}\t{$src, $dst|$dst, $src}",
2926 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
2928 // These are the same as the regular regular MOVZX32rr8 and MOVZX32rm8
2929 // except that they use GR32_NOREX for the output operand register class
2930 // instead of GR32. This allows them to operate on h registers on x86-64.
2931 def MOVZX32_NOREXrr8 : I<0xB6, MRMSrcReg,
2932 (outs GR32_NOREX:$dst), (ins GR8:$src),
2933 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
2935 def MOVZX32_NOREXrm8 : I<0xB6, MRMSrcMem,
2936 (outs GR32_NOREX:$dst), (ins i8mem:$src),
2937 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
2940 let neverHasSideEffects = 1 in {
2941 let Defs = [AX], Uses = [AL] in
2942 def CBW : I<0x98, RawFrm, (outs), (ins),
2943 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
2944 let Defs = [EAX], Uses = [AX] in
2945 def CWDE : I<0x98, RawFrm, (outs), (ins),
2946 "{cwtl|cwde}", []>; // EAX = signext(AX)
2948 let Defs = [AX,DX], Uses = [AX] in
2949 def CWD : I<0x99, RawFrm, (outs), (ins),
2950 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
2951 let Defs = [EAX,EDX], Uses = [EAX] in
2952 def CDQ : I<0x99, RawFrm, (outs), (ins),
2953 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
2956 //===----------------------------------------------------------------------===//
2957 // Alias Instructions
2958 //===----------------------------------------------------------------------===//
2960 // Alias instructions that map movr0 to xor.
2961 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
2962 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1 in {
2963 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins),
2964 "xor{b}\t$dst, $dst",
2965 [(set GR8:$dst, 0)]>;
2966 // Use xorl instead of xorw since we don't care about the high 16 bits,
2967 // it's smaller, and it avoids a partial-register update.
2968 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
2969 "xor{l}\t${dst:subreg32}, ${dst:subreg32}",
2970 [(set GR16:$dst, 0)]>;
2971 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins),
2972 "xor{l}\t$dst, $dst",
2973 [(set GR32:$dst, 0)]>;
2976 //===----------------------------------------------------------------------===//
2977 // Thread Local Storage Instructions
2981 def TLS_addr32 : I<0, Pseudo, (outs GR32:$dst), (ins i32imm:$sym),
2982 "leal\t${sym:mem}(,%ebx,1), $dst",
2983 [(set GR32:$dst, (X86tlsaddr tglobaltlsaddr:$sym))]>;
2985 let AddedComplexity = 5 in
2986 def GS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
2987 "movl\t%gs:$src, $dst",
2988 [(set GR32:$dst, (gsload addr:$src))]>, SegGS;
2990 //===----------------------------------------------------------------------===//
2991 // DWARF Pseudo Instructions
2994 def DWARF_LOC : I<0, Pseudo, (outs),
2995 (ins i32imm:$line, i32imm:$col, i32imm:$file),
2996 ".loc\t${file:debug} ${line:debug} ${col:debug}",
2997 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
3000 //===----------------------------------------------------------------------===//
3001 // EH Pseudo Instructions
3003 let isTerminator = 1, isReturn = 1, isBarrier = 1,
3005 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
3006 "ret\t#eh_return, addr: $addr",
3007 [(X86ehret GR32:$addr)]>;
3011 //===----------------------------------------------------------------------===//
3015 // Atomic swap. These are just normal xchg instructions. But since a memory
3016 // operand is referenced, the atomicity is ensured.
3017 let Constraints = "$val = $dst" in {
3018 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3019 "xchg{l}\t{$val, $ptr|$ptr, $val}",
3020 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
3021 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3022 "xchg{w}\t{$val, $ptr|$ptr, $val}",
3023 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
3025 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
3026 "xchg{b}\t{$val, $ptr|$ptr, $val}",
3027 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
3030 // Atomic compare and swap.
3031 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
3032 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
3033 "lock\n\tcmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
3034 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
3036 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
3037 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i32mem:$ptr),
3038 "lock\n\tcmpxchg8b\t$ptr",
3039 [(X86cas8 addr:$ptr)]>, TB, LOCK;
3042 let Defs = [AX, EFLAGS], Uses = [AX] in {
3043 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
3044 "lock\n\tcmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
3045 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
3047 let Defs = [AL, EFLAGS], Uses = [AL] in {
3048 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
3049 "lock\n\tcmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
3050 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
3053 // Atomic exchange and add
3054 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
3055 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3056 "lock\n\txadd{l}\t{$val, $ptr|$ptr, $val}",
3057 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
3059 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3060 "lock\n\txadd{w}\t{$val, $ptr|$ptr, $val}",
3061 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
3063 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
3064 "lock\n\txadd{b}\t{$val, $ptr|$ptr, $val}",
3065 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
3069 // Atomic exchange, and, or, xor
3070 let Constraints = "$val = $dst", Defs = [EFLAGS],
3071 usesCustomDAGSchedInserter = 1 in {
3072 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3073 "#ATOMAND32 PSEUDO!",
3074 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
3075 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3076 "#ATOMOR32 PSEUDO!",
3077 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
3078 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3079 "#ATOMXOR32 PSEUDO!",
3080 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
3081 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3082 "#ATOMNAND32 PSEUDO!",
3083 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
3084 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3085 "#ATOMMIN32 PSEUDO!",
3086 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
3087 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3088 "#ATOMMAX32 PSEUDO!",
3089 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
3090 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3091 "#ATOMUMIN32 PSEUDO!",
3092 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
3093 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3094 "#ATOMUMAX32 PSEUDO!",
3095 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
3097 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3098 "#ATOMAND16 PSEUDO!",
3099 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
3100 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3101 "#ATOMOR16 PSEUDO!",
3102 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
3103 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3104 "#ATOMXOR16 PSEUDO!",
3105 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
3106 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3107 "#ATOMNAND16 PSEUDO!",
3108 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
3109 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3110 "#ATOMMIN16 PSEUDO!",
3111 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
3112 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3113 "#ATOMMAX16 PSEUDO!",
3114 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
3115 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3116 "#ATOMUMIN16 PSEUDO!",
3117 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
3118 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3119 "#ATOMUMAX16 PSEUDO!",
3120 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
3122 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3123 "#ATOMAND8 PSEUDO!",
3124 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
3125 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3127 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
3128 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3129 "#ATOMXOR8 PSEUDO!",
3130 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
3131 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3132 "#ATOMNAND8 PSEUDO!",
3133 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
3136 let Constraints = "$val1 = $dst1, $val2 = $dst2",
3137 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
3138 Uses = [EAX, EBX, ECX, EDX],
3139 mayLoad = 1, mayStore = 1,
3140 usesCustomDAGSchedInserter = 1 in {
3141 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3142 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3143 "#ATOMAND6432 PSEUDO!", []>;
3144 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3145 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3146 "#ATOMOR6432 PSEUDO!", []>;
3147 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3148 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3149 "#ATOMXOR6432 PSEUDO!", []>;
3150 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3151 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3152 "#ATOMNAND6432 PSEUDO!", []>;
3153 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3154 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3155 "#ATOMADD6432 PSEUDO!", []>;
3156 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3157 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3158 "#ATOMSUB6432 PSEUDO!", []>;
3159 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3160 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3161 "#ATOMSWAP6432 PSEUDO!", []>;
3164 //===----------------------------------------------------------------------===//
3165 // Non-Instruction Patterns
3166 //===----------------------------------------------------------------------===//
3168 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
3169 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
3170 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
3171 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
3172 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
3173 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
3175 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
3176 (ADD32ri GR32:$src1, tconstpool:$src2)>;
3177 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
3178 (ADD32ri GR32:$src1, tjumptable:$src2)>;
3179 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
3180 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
3181 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
3182 (ADD32ri GR32:$src1, texternalsym:$src2)>;
3184 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
3185 (MOV32mi addr:$dst, tglobaladdr:$src)>;
3186 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
3187 (MOV32mi addr:$dst, texternalsym:$src)>;
3191 def : Pat<(X86tailcall GR32:$dst),
3194 def : Pat<(X86tailcall (i32 tglobaladdr:$dst)),
3196 def : Pat<(X86tailcall (i32 texternalsym:$dst)),
3199 def : Pat<(X86tcret GR32:$dst, imm:$off),
3200 (TCRETURNri GR32:$dst, imm:$off)>;
3202 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
3203 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3205 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
3206 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3208 def : Pat<(X86call (i32 tglobaladdr:$dst)),
3209 (CALLpcrel32 tglobaladdr:$dst)>;
3210 def : Pat<(X86call (i32 texternalsym:$dst)),
3211 (CALLpcrel32 texternalsym:$dst)>;
3213 // X86 specific add which produces a flag.
3214 def : Pat<(addc GR32:$src1, GR32:$src2),
3215 (ADD32rr GR32:$src1, GR32:$src2)>;
3216 def : Pat<(addc GR32:$src1, (load addr:$src2)),
3217 (ADD32rm GR32:$src1, addr:$src2)>;
3218 def : Pat<(addc GR32:$src1, imm:$src2),
3219 (ADD32ri GR32:$src1, imm:$src2)>;
3220 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
3221 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
3223 def : Pat<(subc GR32:$src1, GR32:$src2),
3224 (SUB32rr GR32:$src1, GR32:$src2)>;
3225 def : Pat<(subc GR32:$src1, (load addr:$src2)),
3226 (SUB32rm GR32:$src1, addr:$src2)>;
3227 def : Pat<(subc GR32:$src1, imm:$src2),
3228 (SUB32ri GR32:$src1, imm:$src2)>;
3229 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
3230 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
3234 // TEST R,R is smaller than CMP R,0
3235 def : Pat<(parallel (X86cmp GR8:$src1, 0), (implicit EFLAGS)),
3236 (TEST8rr GR8:$src1, GR8:$src1)>;
3237 def : Pat<(parallel (X86cmp GR16:$src1, 0), (implicit EFLAGS)),
3238 (TEST16rr GR16:$src1, GR16:$src1)>;
3239 def : Pat<(parallel (X86cmp GR32:$src1, 0), (implicit EFLAGS)),
3240 (TEST32rr GR32:$src1, GR32:$src1)>;
3242 // Conditional moves with folded loads with operands swapped and conditions
3244 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_B, EFLAGS),
3245 (CMOVAE16rm GR16:$src2, addr:$src1)>;
3246 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_B, EFLAGS),
3247 (CMOVAE32rm GR32:$src2, addr:$src1)>;
3248 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_AE, EFLAGS),
3249 (CMOVB16rm GR16:$src2, addr:$src1)>;
3250 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_AE, EFLAGS),
3251 (CMOVB32rm GR32:$src2, addr:$src1)>;
3252 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_E, EFLAGS),
3253 (CMOVNE16rm GR16:$src2, addr:$src1)>;
3254 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_E, EFLAGS),
3255 (CMOVNE32rm GR32:$src2, addr:$src1)>;
3256 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NE, EFLAGS),
3257 (CMOVE16rm GR16:$src2, addr:$src1)>;
3258 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NE, EFLAGS),
3259 (CMOVE32rm GR32:$src2, addr:$src1)>;
3260 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_BE, EFLAGS),
3261 (CMOVA16rm GR16:$src2, addr:$src1)>;
3262 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_BE, EFLAGS),
3263 (CMOVA32rm GR32:$src2, addr:$src1)>;
3264 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_A, EFLAGS),
3265 (CMOVBE16rm GR16:$src2, addr:$src1)>;
3266 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_A, EFLAGS),
3267 (CMOVBE32rm GR32:$src2, addr:$src1)>;
3268 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_L, EFLAGS),
3269 (CMOVGE16rm GR16:$src2, addr:$src1)>;
3270 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_L, EFLAGS),
3271 (CMOVGE32rm GR32:$src2, addr:$src1)>;
3272 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_GE, EFLAGS),
3273 (CMOVL16rm GR16:$src2, addr:$src1)>;
3274 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_GE, EFLAGS),
3275 (CMOVL32rm GR32:$src2, addr:$src1)>;
3276 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_LE, EFLAGS),
3277 (CMOVG16rm GR16:$src2, addr:$src1)>;
3278 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_LE, EFLAGS),
3279 (CMOVG32rm GR32:$src2, addr:$src1)>;
3280 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_G, EFLAGS),
3281 (CMOVLE16rm GR16:$src2, addr:$src1)>;
3282 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_G, EFLAGS),
3283 (CMOVLE32rm GR32:$src2, addr:$src1)>;
3284 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_P, EFLAGS),
3285 (CMOVNP16rm GR16:$src2, addr:$src1)>;
3286 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_P, EFLAGS),
3287 (CMOVNP32rm GR32:$src2, addr:$src1)>;
3288 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NP, EFLAGS),
3289 (CMOVP16rm GR16:$src2, addr:$src1)>;
3290 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NP, EFLAGS),
3291 (CMOVP32rm GR32:$src2, addr:$src1)>;
3292 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_S, EFLAGS),
3293 (CMOVNS16rm GR16:$src2, addr:$src1)>;
3294 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_S, EFLAGS),
3295 (CMOVNS32rm GR32:$src2, addr:$src1)>;
3296 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NS, EFLAGS),
3297 (CMOVS16rm GR16:$src2, addr:$src1)>;
3298 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NS, EFLAGS),
3299 (CMOVS32rm GR32:$src2, addr:$src1)>;
3300 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_O, EFLAGS),
3301 (CMOVNO16rm GR16:$src2, addr:$src1)>;
3302 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_O, EFLAGS),
3303 (CMOVNO32rm GR32:$src2, addr:$src1)>;
3304 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NO, EFLAGS),
3305 (CMOVO16rm GR16:$src2, addr:$src1)>;
3306 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NO, EFLAGS),
3307 (CMOVO32rm GR32:$src2, addr:$src1)>;
3309 // zextload bool -> zextload byte
3310 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3311 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
3312 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3314 // extload bool -> extload byte
3315 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3316 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>,
3317 Requires<[In32BitMode]>;
3318 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3319 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>,
3320 Requires<[In32BitMode]>;
3321 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
3322 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
3325 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>,
3326 Requires<[In32BitMode]>;
3327 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>,
3328 Requires<[In32BitMode]>;
3329 def : Pat<(i32 (anyext GR16:$src)),
3330 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR16:$src, x86_subreg_16bit)>;
3332 // (and (i32 load), 255) -> (zextload i8)
3333 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 255))),
3334 (MOVZX32rm8 addr:$src)>;
3335 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 65535))),
3336 (MOVZX32rm16 addr:$src)>;
3338 //===----------------------------------------------------------------------===//
3340 //===----------------------------------------------------------------------===//
3342 // Odd encoding trick: -128 fits into an 8-bit immediate field while
3343 // +128 doesn't, so in this special case use a sub instead of an add.
3344 def : Pat<(add GR16:$src1, 128),
3345 (SUB16ri8 GR16:$src1, -128)>;
3346 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
3347 (SUB16mi8 addr:$dst, -128)>;
3348 def : Pat<(add GR32:$src1, 128),
3349 (SUB32ri8 GR32:$src1, -128)>;
3350 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
3351 (SUB32mi8 addr:$dst, -128)>;
3353 // r & (2^16-1) ==> movz
3354 def : Pat<(and GR32:$src1, 0xffff),
3355 (MOVZX32rr16 (EXTRACT_SUBREG GR32:$src1, x86_subreg_16bit))>;
3356 // r & (2^8-1) ==> movz
3357 def : Pat<(and GR32:$src1, 0xff),
3358 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src1, GR32_),
3360 Requires<[In32BitMode]>;
3361 // r & (2^8-1) ==> movz
3362 def : Pat<(and GR16:$src1, 0xff),
3363 (MOVZX16rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src1, GR16_),
3365 Requires<[In32BitMode]>;
3367 // sext_inreg patterns
3368 def : Pat<(sext_inreg GR32:$src, i16),
3369 (MOVSX32rr16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
3370 def : Pat<(sext_inreg GR32:$src, i8),
3371 (MOVSX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_),
3373 Requires<[In32BitMode]>;
3374 def : Pat<(sext_inreg GR16:$src, i8),
3375 (MOVSX16rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_),
3377 Requires<[In32BitMode]>;
3380 def : Pat<(i16 (trunc GR32:$src)),
3381 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit)>;
3382 def : Pat<(i8 (trunc GR32:$src)),
3383 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_),
3385 Requires<[In32BitMode]>;
3386 def : Pat<(i8 (trunc GR16:$src)),
3387 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_),
3389 Requires<[In32BitMode]>;
3391 // h-register tricks
3392 def : Pat<(i8 (trunc (srl_su GR16:$src, (i8 8)))),
3393 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_),
3394 x86_subreg_8bit_hi)>,
3395 Requires<[In32BitMode]>;
3396 def : Pat<(i8 (trunc (srl_su GR32:$src, (i8 8)))),
3397 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_),
3398 x86_subreg_8bit_hi)>,
3399 Requires<[In32BitMode]>;
3400 def : Pat<(srl_su GR16:$src, (i8 8)),
3403 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_),
3404 x86_subreg_8bit_hi)),
3406 Requires<[In32BitMode]>;
3407 def : Pat<(and (srl_su GR32:$src, (i8 8)), (i32 255)),
3408 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_),
3409 x86_subreg_8bit_hi))>,
3410 Requires<[In32BitMode]>;
3412 // (shl x, 1) ==> (add x, x)
3413 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
3414 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
3415 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
3417 // (shl x (and y, 31)) ==> (shl x, y)
3418 def : Pat<(shl GR8:$src1, (and CL:$amt, 31)),
3419 (SHL8rCL GR8:$src1)>;
3420 def : Pat<(shl GR16:$src1, (and CL:$amt, 31)),
3421 (SHL16rCL GR16:$src1)>;
3422 def : Pat<(shl GR32:$src1, (and CL:$amt, 31)),
3423 (SHL32rCL GR32:$src1)>;
3424 def : Pat<(store (shl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3425 (SHL8mCL addr:$dst)>;
3426 def : Pat<(store (shl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3427 (SHL16mCL addr:$dst)>;
3428 def : Pat<(store (shl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3429 (SHL32mCL addr:$dst)>;
3431 def : Pat<(srl GR8:$src1, (and CL:$amt, 31)),
3432 (SHR8rCL GR8:$src1)>;
3433 def : Pat<(srl GR16:$src1, (and CL:$amt, 31)),
3434 (SHR16rCL GR16:$src1)>;
3435 def : Pat<(srl GR32:$src1, (and CL:$amt, 31)),
3436 (SHR32rCL GR32:$src1)>;
3437 def : Pat<(store (srl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3438 (SHR8mCL addr:$dst)>;
3439 def : Pat<(store (srl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3440 (SHR16mCL addr:$dst)>;
3441 def : Pat<(store (srl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3442 (SHR32mCL addr:$dst)>;
3444 def : Pat<(sra GR8:$src1, (and CL:$amt, 31)),
3445 (SAR8rCL GR8:$src1)>;
3446 def : Pat<(sra GR16:$src1, (and CL:$amt, 31)),
3447 (SAR16rCL GR16:$src1)>;
3448 def : Pat<(sra GR32:$src1, (and CL:$amt, 31)),
3449 (SAR32rCL GR32:$src1)>;
3450 def : Pat<(store (sra (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3451 (SAR8mCL addr:$dst)>;
3452 def : Pat<(store (sra (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3453 (SAR16mCL addr:$dst)>;
3454 def : Pat<(store (sra (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3455 (SAR32mCL addr:$dst)>;
3457 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
3458 def : Pat<(or (srl GR32:$src1, CL:$amt),
3459 (shl GR32:$src2, (sub 32, CL:$amt))),
3460 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3462 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
3463 (shl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3464 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3466 def : Pat<(or (srl GR32:$src1, (i8 (trunc ECX:$amt))),
3467 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3468 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3470 def : Pat<(store (or (srl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3471 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3473 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3475 def : Pat<(shrd GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3476 (SHRD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3478 def : Pat<(store (shrd (loadi32 addr:$dst), (i8 imm:$amt1),
3479 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3480 (SHRD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3482 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
3483 def : Pat<(or (shl GR32:$src1, CL:$amt),
3484 (srl GR32:$src2, (sub 32, CL:$amt))),
3485 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3487 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
3488 (srl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3489 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3491 def : Pat<(or (shl GR32:$src1, (i8 (trunc ECX:$amt))),
3492 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3493 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3495 def : Pat<(store (or (shl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3496 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3498 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3500 def : Pat<(shld GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3501 (SHLD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3503 def : Pat<(store (shld (loadi32 addr:$dst), (i8 imm:$amt1),
3504 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3505 (SHLD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3507 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
3508 def : Pat<(or (srl GR16:$src1, CL:$amt),
3509 (shl GR16:$src2, (sub 16, CL:$amt))),
3510 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3512 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
3513 (shl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3514 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3516 def : Pat<(or (srl GR16:$src1, (i8 (trunc CX:$amt))),
3517 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3518 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3520 def : Pat<(store (or (srl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3521 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3523 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3525 def : Pat<(shrd GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3526 (SHRD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3528 def : Pat<(store (shrd (loadi16 addr:$dst), (i8 imm:$amt1),
3529 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
3530 (SHRD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
3532 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
3533 def : Pat<(or (shl GR16:$src1, CL:$amt),
3534 (srl GR16:$src2, (sub 16, CL:$amt))),
3535 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
3537 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
3538 (srl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3539 (SHLD16mrCL addr:$dst, GR16:$src2)>;
3541 def : Pat<(or (shl GR16:$src1, (i8 (trunc CX:$amt))),
3542 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3543 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
3545 def : Pat<(store (or (shl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3546 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3548 (SHLD16mrCL addr:$dst, GR16:$src2)>;
3550 def : Pat<(shld GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3551 (SHLD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3553 def : Pat<(store (shld (loadi16 addr:$dst), (i8 imm:$amt1),
3554 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
3555 (SHLD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
3557 //===----------------------------------------------------------------------===//
3558 // EFLAGS-defining Patterns
3559 //===----------------------------------------------------------------------===//
3561 // Register-Register Addition with EFLAGS result
3562 def : Pat<(parallel (X86add_flag GR8:$src1, GR8:$src2),
3564 (ADD8rr GR8:$src1, GR8:$src2)>;
3566 // Register-Register Addition with EFLAGS result
3567 def : Pat<(parallel (X86add_flag GR16:$src1, GR16:$src2),
3569 (ADD16rr GR16:$src1, GR16:$src2)>;
3570 def : Pat<(parallel (X86add_flag GR32:$src1, GR32:$src2),
3572 (ADD32rr GR32:$src1, GR32:$src2)>;
3574 // Register-Memory Addition with EFLAGS result
3575 def : Pat<(parallel (X86add_flag GR8:$src1, (loadi8 addr:$src2)),
3577 (ADD8rm GR8:$src1, addr:$src2)>;
3578 def : Pat<(parallel (X86add_flag GR16:$src1, (loadi16 addr:$src2)),
3580 (ADD16rm GR16:$src1, addr:$src2)>;
3581 def : Pat<(parallel (X86add_flag GR32:$src1, (loadi32 addr:$src2)),
3583 (ADD32rm GR32:$src1, addr:$src2)>;
3585 // Register-Integer Addition with EFLAGS result
3586 def : Pat<(parallel (X86add_flag GR8:$src1, imm:$src2),
3588 (ADD8ri GR8:$src1, imm:$src2)>;
3590 // Register-Integer Addition with EFLAGS result
3591 def : Pat<(parallel (X86add_flag GR16:$src1, imm:$src2),
3593 (ADD16ri GR16:$src1, imm:$src2)>;
3594 def : Pat<(parallel (X86add_flag GR32:$src1, imm:$src2),
3596 (ADD32ri GR32:$src1, imm:$src2)>;
3597 def : Pat<(parallel (X86add_flag GR16:$src1, i16immSExt8:$src2),
3599 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
3600 def : Pat<(parallel (X86add_flag GR32:$src1, i32immSExt8:$src2),
3602 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
3604 // Memory-Register Addition with EFLAGS result
3605 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), GR8:$src2),
3608 (ADD8mr addr:$dst, GR8:$src2)>;
3609 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), GR16:$src2),
3612 (ADD16mr addr:$dst, GR16:$src2)>;
3613 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), GR32:$src2),
3616 (ADD32mr addr:$dst, GR32:$src2)>;
3617 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), imm:$src2),
3620 (ADD8mi addr:$dst, imm:$src2)>;
3621 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), imm:$src2),
3624 (ADD16mi addr:$dst, imm:$src2)>;
3625 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), imm:$src2),
3628 (ADD32mi addr:$dst, imm:$src2)>;
3629 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), i16immSExt8:$src2),
3632 (ADD16mi8 addr:$dst, i16immSExt8:$src2)>;
3633 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), i32immSExt8:$src2),
3636 (ADD32mi8 addr:$dst, i32immSExt8:$src2)>;
3638 // Register-Register Subtraction with EFLAGS result
3639 def : Pat<(parallel (X86sub_flag GR8:$src1, GR8:$src2),
3641 (SUB8rr GR8:$src1, GR8:$src2)>;
3642 def : Pat<(parallel (X86sub_flag GR16:$src1, GR16:$src2),
3644 (SUB16rr GR16:$src1, GR16:$src2)>;
3645 def : Pat<(parallel (X86sub_flag GR32:$src1, GR32:$src2),
3647 (SUB32rr GR32:$src1, GR32:$src2)>;
3649 // Register-Memory Subtraction with EFLAGS result
3650 def : Pat<(parallel (X86sub_flag GR8:$src1, (loadi8 addr:$src2)),
3652 (SUB8rm GR8:$src1, addr:$src2)>;
3653 def : Pat<(parallel (X86sub_flag GR16:$src1, (loadi16 addr:$src2)),
3655 (SUB16rm GR16:$src1, addr:$src2)>;
3656 def : Pat<(parallel (X86sub_flag GR32:$src1, (loadi32 addr:$src2)),
3658 (SUB32rm GR32:$src1, addr:$src2)>;
3660 // Register-Integer Subtraction with EFLAGS result
3661 def : Pat<(parallel (X86sub_flag GR8:$src1, imm:$src2),
3663 (SUB8ri GR8:$src1, imm:$src2)>;
3664 def : Pat<(parallel (X86sub_flag GR16:$src1, imm:$src2),
3666 (SUB16ri GR16:$src1, imm:$src2)>;
3667 def : Pat<(parallel (X86sub_flag GR32:$src1, imm:$src2),
3669 (SUB32ri GR32:$src1, imm:$src2)>;
3670 def : Pat<(parallel (X86sub_flag GR16:$src1, i16immSExt8:$src2),
3672 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
3673 def : Pat<(parallel (X86sub_flag GR32:$src1, i32immSExt8:$src2),
3675 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
3677 // Memory-Register Subtraction with EFLAGS result
3678 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), GR8:$src2),
3681 (SUB8mr addr:$dst, GR8:$src2)>;
3682 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), GR16:$src2),
3685 (SUB16mr addr:$dst, GR16:$src2)>;
3686 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), GR32:$src2),
3689 (SUB32mr addr:$dst, GR32:$src2)>;
3691 // Memory-Integer Subtraction with EFLAGS result
3692 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), imm:$src2),
3695 (SUB8mi addr:$dst, imm:$src2)>;
3696 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), imm:$src2),
3699 (SUB16mi addr:$dst, imm:$src2)>;
3700 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), imm:$src2),
3703 (SUB32mi addr:$dst, imm:$src2)>;
3704 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), i16immSExt8:$src2),
3707 (SUB16mi8 addr:$dst, i16immSExt8:$src2)>;
3708 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), i32immSExt8:$src2),
3711 (SUB32mi8 addr:$dst, i32immSExt8:$src2)>;
3714 // Register-Register Signed Integer Multiply with EFLAGS result
3715 def : Pat<(parallel (X86smul_flag GR16:$src1, GR16:$src2),
3717 (IMUL16rr GR16:$src1, GR16:$src2)>;
3718 def : Pat<(parallel (X86smul_flag GR32:$src1, GR32:$src2),
3720 (IMUL32rr GR32:$src1, GR32:$src2)>;
3722 // Register-Memory Signed Integer Multiply with EFLAGS result
3723 def : Pat<(parallel (X86smul_flag GR16:$src1, (loadi16 addr:$src2)),
3725 (IMUL16rm GR16:$src1, addr:$src2)>;
3726 def : Pat<(parallel (X86smul_flag GR32:$src1, (loadi32 addr:$src2)),
3728 (IMUL32rm GR32:$src1, addr:$src2)>;
3730 // Register-Integer Signed Integer Multiply with EFLAGS result
3731 def : Pat<(parallel (X86smul_flag GR16:$src1, imm:$src2),
3733 (IMUL16rri GR16:$src1, imm:$src2)>;
3734 def : Pat<(parallel (X86smul_flag GR32:$src1, imm:$src2),
3736 (IMUL32rri GR32:$src1, imm:$src2)>;
3737 def : Pat<(parallel (X86smul_flag GR16:$src1, i16immSExt8:$src2),
3739 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
3740 def : Pat<(parallel (X86smul_flag GR32:$src1, i32immSExt8:$src2),
3742 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
3744 // Memory-Integer Signed Integer Multiply with EFLAGS result
3745 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), imm:$src2),
3747 (IMUL16rmi addr:$src1, imm:$src2)>;
3748 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), imm:$src2),
3750 (IMUL32rmi addr:$src1, imm:$src2)>;
3751 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), i16immSExt8:$src2),
3753 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
3754 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), i32immSExt8:$src2),
3756 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
3758 // Optimize multiply by 2 with EFLAGS result.
3759 let AddedComplexity = 2 in {
3760 def : Pat<(parallel (X86smul_flag GR16:$src1, 2),
3762 (ADD16rr GR16:$src1, GR16:$src1)>;
3764 def : Pat<(parallel (X86smul_flag GR32:$src1, 2),
3766 (ADD32rr GR32:$src1, GR32:$src1)>;
3769 // INC and DEC with EFLAGS result. Note that these do not set CF.
3770 def : Pat<(parallel (X86inc_flag GR8:$src), (implicit EFLAGS)),
3772 def : Pat<(parallel (store (i8 (X86inc_flag (loadi8 addr:$dst))), addr:$dst),
3775 def : Pat<(parallel (X86dec_flag GR8:$src), (implicit EFLAGS)),
3777 def : Pat<(parallel (store (i8 (X86dec_flag (loadi8 addr:$dst))), addr:$dst),
3781 def : Pat<(parallel (X86inc_flag GR16:$src), (implicit EFLAGS)),
3782 (INC16r GR16:$src)>, Requires<[In32BitMode]>;
3783 def : Pat<(parallel (store (i16 (X86inc_flag (loadi16 addr:$dst))), addr:$dst),
3785 (INC16m addr:$dst)>, Requires<[In32BitMode]>;
3786 def : Pat<(parallel (X86dec_flag GR16:$src), (implicit EFLAGS)),
3787 (DEC16r GR16:$src)>, Requires<[In32BitMode]>;
3788 def : Pat<(parallel (store (i16 (X86dec_flag (loadi16 addr:$dst))), addr:$dst),
3790 (DEC16m addr:$dst)>, Requires<[In32BitMode]>;
3792 def : Pat<(parallel (X86inc_flag GR32:$src), (implicit EFLAGS)),
3793 (INC32r GR32:$src)>, Requires<[In32BitMode]>;
3794 def : Pat<(parallel (store (i32 (X86inc_flag (loadi32 addr:$dst))), addr:$dst),
3796 (INC32m addr:$dst)>, Requires<[In32BitMode]>;
3797 def : Pat<(parallel (X86dec_flag GR32:$src), (implicit EFLAGS)),
3798 (DEC32r GR32:$src)>, Requires<[In32BitMode]>;
3799 def : Pat<(parallel (store (i32 (X86dec_flag (loadi32 addr:$dst))), addr:$dst),
3801 (DEC32m addr:$dst)>, Requires<[In32BitMode]>;
3803 //===----------------------------------------------------------------------===//
3804 // Floating Point Stack Support
3805 //===----------------------------------------------------------------------===//
3807 include "X86InstrFPStack.td"
3809 //===----------------------------------------------------------------------===//
3811 //===----------------------------------------------------------------------===//
3813 include "X86Instr64bit.td"
3815 //===----------------------------------------------------------------------===//
3816 // XMM Floating point support (requires SSE / SSE2)
3817 //===----------------------------------------------------------------------===//
3819 include "X86InstrSSE.td"
3821 //===----------------------------------------------------------------------===//
3822 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
3823 //===----------------------------------------------------------------------===//
3825 include "X86InstrMMX.td"