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<0, 1, [SDTCisInt<0>]>;
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, sub, 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() > 255)
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() > 255)
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() > 255)
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() > 255)
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 fsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
349 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
350 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
351 return PT->getAddressSpace() == 257;
355 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr)), [{
356 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
357 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
358 if (PT->getAddressSpace() > 255)
362 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr)), [{
363 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
364 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
365 if (PT->getAddressSpace() > 255)
370 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr)), [{
371 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
372 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
373 if (PT->getAddressSpace() > 255)
377 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr)), [{
378 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
379 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
380 if (PT->getAddressSpace() > 255)
384 def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr)), [{
385 if (const Value *Src = cast<LoadSDNode>(N)->getSrcValue())
386 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
387 if (PT->getAddressSpace() > 255)
392 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
393 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
394 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
396 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
397 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
398 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
399 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
400 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
401 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
403 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
404 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
405 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
406 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
407 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
408 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
411 // An 'and' node with a single use.
412 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
413 return N->hasOneUse();
415 // An 'srl' node with a single use.
416 def srl_su : PatFrag<(ops node:$lhs, node:$rhs), (srl node:$lhs, node:$rhs), [{
417 return N->hasOneUse();
419 // An 'trunc' node with a single use.
420 def trunc_su : PatFrag<(ops node:$src), (trunc node:$src), [{
421 return N->hasOneUse();
424 // 'shld' and 'shrd' instruction patterns. Note that even though these have
425 // the srl and shl in their patterns, the C++ code must still check for them,
426 // because predicates are tested before children nodes are explored.
428 def shrd : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
429 (or (srl node:$src1, node:$amt1),
430 (shl node:$src2, node:$amt2)), [{
431 assert(N->getOpcode() == ISD::OR);
432 return N->getOperand(0).getOpcode() == ISD::SRL &&
433 N->getOperand(1).getOpcode() == ISD::SHL &&
434 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
435 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
436 N->getOperand(0).getConstantOperandVal(1) ==
437 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
440 def shld : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
441 (or (shl node:$src1, node:$amt1),
442 (srl node:$src2, node:$amt2)), [{
443 assert(N->getOpcode() == ISD::OR);
444 return N->getOperand(0).getOpcode() == ISD::SHL &&
445 N->getOperand(1).getOpcode() == ISD::SRL &&
446 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
447 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
448 N->getOperand(0).getConstantOperandVal(1) ==
449 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
452 //===----------------------------------------------------------------------===//
453 // Instruction list...
456 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
457 // a stack adjustment and the codegen must know that they may modify the stack
458 // pointer before prolog-epilog rewriting occurs.
459 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
460 // sub / add which can clobber EFLAGS.
461 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
462 def ADJCALLSTACKDOWN32 : I<0, Pseudo, (outs), (ins i32imm:$amt),
464 [(X86callseq_start timm:$amt)]>,
465 Requires<[In32BitMode]>;
466 def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
468 [(X86callseq_end timm:$amt1, timm:$amt2)]>,
469 Requires<[In32BitMode]>;
473 let neverHasSideEffects = 1 in
474 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
477 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
478 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins piclabel:$label),
482 //===----------------------------------------------------------------------===//
483 // Control Flow Instructions...
486 // Return instructions.
487 let isTerminator = 1, isReturn = 1, isBarrier = 1,
488 hasCtrlDep = 1, FPForm = SpecialFP, FPFormBits = SpecialFP.Value in {
489 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
492 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
494 [(X86retflag imm:$amt)]>;
497 // All branches are RawFrm, Void, Branch, and Terminators
498 let isBranch = 1, isTerminator = 1 in
499 class IBr<bits<8> opcode, dag ins, string asm, list<dag> pattern> :
500 I<opcode, RawFrm, (outs), ins, asm, pattern>;
502 let isBranch = 1, isBarrier = 1 in
503 def JMP : IBr<0xE9, (ins brtarget:$dst), "jmp\t$dst", [(br bb:$dst)]>;
506 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
507 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
508 [(brind GR32:$dst)]>;
509 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
510 [(brind (loadi32 addr:$dst))]>;
513 // Conditional branches
514 let Uses = [EFLAGS] in {
515 def JE : IBr<0x84, (ins brtarget:$dst), "je\t$dst",
516 [(X86brcond bb:$dst, X86_COND_E, EFLAGS)]>, TB;
517 def JNE : IBr<0x85, (ins brtarget:$dst), "jne\t$dst",
518 [(X86brcond bb:$dst, X86_COND_NE, EFLAGS)]>, TB;
519 def JL : IBr<0x8C, (ins brtarget:$dst), "jl\t$dst",
520 [(X86brcond bb:$dst, X86_COND_L, EFLAGS)]>, TB;
521 def JLE : IBr<0x8E, (ins brtarget:$dst), "jle\t$dst",
522 [(X86brcond bb:$dst, X86_COND_LE, EFLAGS)]>, TB;
523 def JG : IBr<0x8F, (ins brtarget:$dst), "jg\t$dst",
524 [(X86brcond bb:$dst, X86_COND_G, EFLAGS)]>, TB;
525 def JGE : IBr<0x8D, (ins brtarget:$dst), "jge\t$dst",
526 [(X86brcond bb:$dst, X86_COND_GE, EFLAGS)]>, TB;
528 def JB : IBr<0x82, (ins brtarget:$dst), "jb\t$dst",
529 [(X86brcond bb:$dst, X86_COND_B, EFLAGS)]>, TB;
530 def JBE : IBr<0x86, (ins brtarget:$dst), "jbe\t$dst",
531 [(X86brcond bb:$dst, X86_COND_BE, EFLAGS)]>, TB;
532 def JA : IBr<0x87, (ins brtarget:$dst), "ja\t$dst",
533 [(X86brcond bb:$dst, X86_COND_A, EFLAGS)]>, TB;
534 def JAE : IBr<0x83, (ins brtarget:$dst), "jae\t$dst",
535 [(X86brcond bb:$dst, X86_COND_AE, EFLAGS)]>, TB;
537 def JS : IBr<0x88, (ins brtarget:$dst), "js\t$dst",
538 [(X86brcond bb:$dst, X86_COND_S, EFLAGS)]>, TB;
539 def JNS : IBr<0x89, (ins brtarget:$dst), "jns\t$dst",
540 [(X86brcond bb:$dst, X86_COND_NS, EFLAGS)]>, TB;
541 def JP : IBr<0x8A, (ins brtarget:$dst), "jp\t$dst",
542 [(X86brcond bb:$dst, X86_COND_P, EFLAGS)]>, TB;
543 def JNP : IBr<0x8B, (ins brtarget:$dst), "jnp\t$dst",
544 [(X86brcond bb:$dst, X86_COND_NP, EFLAGS)]>, TB;
545 def JO : IBr<0x80, (ins brtarget:$dst), "jo\t$dst",
546 [(X86brcond bb:$dst, X86_COND_O, EFLAGS)]>, TB;
547 def JNO : IBr<0x81, (ins brtarget:$dst), "jno\t$dst",
548 [(X86brcond bb:$dst, X86_COND_NO, EFLAGS)]>, TB;
551 //===----------------------------------------------------------------------===//
552 // Call Instructions...
555 // All calls clobber the non-callee saved registers. ESP is marked as
556 // a use to prevent stack-pointer assignments that appear immediately
557 // before calls from potentially appearing dead. Uses for argument
558 // registers are added manually.
559 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
560 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
561 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
562 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
564 def CALLpcrel32 : Ii32<0xE8, RawFrm, (outs), (ins i32imm:$dst,variable_ops),
565 "call\t${dst:call}", [(X86call imm:$dst)]>,
566 Requires<[In32BitMode]>;
567 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
568 "call\t{*}$dst", [(X86call GR32:$dst)]>;
569 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
570 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
575 def TAILCALL : I<0, Pseudo, (outs), (ins),
579 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
580 def TCRETURNdi : I<0, Pseudo, (outs), (ins i32imm:$dst, i32imm:$offset, variable_ops),
581 "#TC_RETURN $dst $offset",
584 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
585 def TCRETURNri : I<0, Pseudo, (outs), (ins GR32:$dst, i32imm:$offset, variable_ops),
586 "#TC_RETURN $dst $offset",
589 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
591 def TAILJMPd : IBr<0xE9, (ins i32imm:$dst), "jmp\t${dst:call} # TAILCALL",
593 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
594 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst # TAILCALL",
596 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
597 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem:$dst),
598 "jmp\t{*}$dst # TAILCALL", []>;
600 //===----------------------------------------------------------------------===//
601 // Miscellaneous Instructions...
603 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
604 def LEAVE : I<0xC9, RawFrm,
605 (outs), (ins), "leave", []>;
607 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
609 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
612 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
615 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in
616 def POPFD : I<0x9D, RawFrm, (outs), (ins), "popf", []>;
617 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in
618 def PUSHFD : I<0x9C, RawFrm, (outs), (ins), "pushf", []>;
620 let isTwoAddress = 1 in // GR32 = bswap GR32
621 def BSWAP32r : I<0xC8, AddRegFrm,
622 (outs GR32:$dst), (ins GR32:$src),
624 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
627 // Bit scan instructions.
628 let Defs = [EFLAGS] in {
629 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
630 "bsf{w}\t{$src, $dst|$dst, $src}",
631 [(set GR16:$dst, (X86bsf GR16:$src)), (implicit EFLAGS)]>, TB;
632 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
633 "bsf{w}\t{$src, $dst|$dst, $src}",
634 [(set GR16:$dst, (X86bsf (loadi16 addr:$src))),
635 (implicit EFLAGS)]>, TB;
636 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
637 "bsf{l}\t{$src, $dst|$dst, $src}",
638 [(set GR32:$dst, (X86bsf GR32:$src)), (implicit EFLAGS)]>, TB;
639 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
640 "bsf{l}\t{$src, $dst|$dst, $src}",
641 [(set GR32:$dst, (X86bsf (loadi32 addr:$src))),
642 (implicit EFLAGS)]>, TB;
644 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
645 "bsr{w}\t{$src, $dst|$dst, $src}",
646 [(set GR16:$dst, (X86bsr GR16:$src)), (implicit EFLAGS)]>, TB;
647 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
648 "bsr{w}\t{$src, $dst|$dst, $src}",
649 [(set GR16:$dst, (X86bsr (loadi16 addr:$src))),
650 (implicit EFLAGS)]>, TB;
651 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
652 "bsr{l}\t{$src, $dst|$dst, $src}",
653 [(set GR32:$dst, (X86bsr GR32:$src)), (implicit EFLAGS)]>, TB;
654 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
655 "bsr{l}\t{$src, $dst|$dst, $src}",
656 [(set GR32:$dst, (X86bsr (loadi32 addr:$src))),
657 (implicit EFLAGS)]>, TB;
660 let neverHasSideEffects = 1 in
661 def LEA16r : I<0x8D, MRMSrcMem,
662 (outs GR16:$dst), (ins i32mem:$src),
663 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
664 let isReMaterializable = 1 in
665 def LEA32r : I<0x8D, MRMSrcMem,
666 (outs GR32:$dst), (ins lea32mem:$src),
667 "lea{l}\t{$src|$dst}, {$dst|$src}",
668 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
670 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI] in {
671 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
672 [(X86rep_movs i8)]>, REP;
673 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
674 [(X86rep_movs i16)]>, REP, OpSize;
675 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
676 [(X86rep_movs i32)]>, REP;
679 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI] in
680 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
681 [(X86rep_stos i8)]>, REP;
682 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI] in
683 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
684 [(X86rep_stos i16)]>, REP, OpSize;
685 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI] in
686 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
687 [(X86rep_stos i32)]>, REP;
689 let Defs = [RAX, RDX] in
690 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
693 let isBarrier = 1, hasCtrlDep = 1 in {
694 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
697 //===----------------------------------------------------------------------===//
698 // Input/Output Instructions...
700 let Defs = [AL], Uses = [DX] in
701 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
702 "in{b}\t{%dx, %al|%AL, %DX}", []>;
703 let Defs = [AX], Uses = [DX] in
704 def IN16rr : I<0xED, RawFrm, (outs), (ins),
705 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
706 let Defs = [EAX], Uses = [DX] in
707 def IN32rr : I<0xED, RawFrm, (outs), (ins),
708 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
711 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i16i8imm:$port),
712 "in{b}\t{$port, %al|%AL, $port}", []>;
714 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
715 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
717 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
718 "in{l}\t{$port, %eax|%EAX, $port}", []>;
720 let Uses = [DX, AL] in
721 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
722 "out{b}\t{%al, %dx|%DX, %AL}", []>;
723 let Uses = [DX, AX] in
724 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
725 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
726 let Uses = [DX, EAX] in
727 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
728 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
731 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i16i8imm:$port),
732 "out{b}\t{%al, $port|$port, %AL}", []>;
734 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
735 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
737 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
738 "out{l}\t{%eax, $port|$port, %EAX}", []>;
740 //===----------------------------------------------------------------------===//
741 // Move Instructions...
743 let neverHasSideEffects = 1 in {
744 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
745 "mov{b}\t{$src, $dst|$dst, $src}", []>;
746 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
747 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
748 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
749 "mov{l}\t{$src, $dst|$dst, $src}", []>;
751 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
752 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
753 "mov{b}\t{$src, $dst|$dst, $src}",
754 [(set GR8:$dst, imm:$src)]>;
755 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
756 "mov{w}\t{$src, $dst|$dst, $src}",
757 [(set GR16:$dst, imm:$src)]>, OpSize;
758 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
759 "mov{l}\t{$src, $dst|$dst, $src}",
760 [(set GR32:$dst, imm:$src)]>;
762 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
763 "mov{b}\t{$src, $dst|$dst, $src}",
764 [(store (i8 imm:$src), addr:$dst)]>;
765 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
766 "mov{w}\t{$src, $dst|$dst, $src}",
767 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
768 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
769 "mov{l}\t{$src, $dst|$dst, $src}",
770 [(store (i32 imm:$src), addr:$dst)]>;
772 let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in {
773 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
774 "mov{b}\t{$src, $dst|$dst, $src}",
775 [(set GR8:$dst, (loadi8 addr:$src))]>;
776 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
777 "mov{w}\t{$src, $dst|$dst, $src}",
778 [(set GR16:$dst, (loadi16 addr:$src))]>, OpSize;
779 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
780 "mov{l}\t{$src, $dst|$dst, $src}",
781 [(set GR32:$dst, (loadi32 addr:$src))]>;
784 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
785 "mov{b}\t{$src, $dst|$dst, $src}",
786 [(store GR8:$src, addr:$dst)]>;
787 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
788 "mov{w}\t{$src, $dst|$dst, $src}",
789 [(store GR16:$src, addr:$dst)]>, OpSize;
790 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
791 "mov{l}\t{$src, $dst|$dst, $src}",
792 [(store GR32:$src, addr:$dst)]>;
794 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
795 // that they can be used for copying and storing h registers, which can't be
796 // encoded when a REX prefix is present.
797 let neverHasSideEffects = 1 in
798 def MOV8rr_NOREX : I<0x88, MRMDestReg,
799 (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
800 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
802 def MOV8mr_NOREX : I<0x88, MRMDestMem,
803 (outs), (ins i8mem_NOREX:$dst, GR8_NOREX:$src),
804 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
806 canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in
807 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
808 (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
809 "mov{b}\t{$src, $dst|$dst, $src} # NOREX", []>;
811 //===----------------------------------------------------------------------===//
812 // Fixed-Register Multiplication and Division Instructions...
815 // Extra precision multiplication
816 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
817 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
818 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
819 // This probably ought to be moved to a def : Pat<> if the
820 // syntax can be accepted.
821 [(set AL, (mul AL, GR8:$src)),
822 (implicit EFLAGS)]>; // AL,AH = AL*GR8
824 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
825 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
827 []>, OpSize; // AX,DX = AX*GR16
829 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
830 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
832 []>; // EAX,EDX = EAX*GR32
834 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
835 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
837 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
838 // This probably ought to be moved to a def : Pat<> if the
839 // syntax can be accepted.
840 [(set AL, (mul AL, (loadi8 addr:$src))),
841 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
843 let mayLoad = 1, neverHasSideEffects = 1 in {
844 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
845 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
847 []>, OpSize; // AX,DX = AX*[mem16]
849 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
850 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
852 []>; // EAX,EDX = EAX*[mem32]
855 let neverHasSideEffects = 1 in {
856 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
857 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
859 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
860 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
861 OpSize; // AX,DX = AX*GR16
862 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
863 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
864 // EAX,EDX = EAX*GR32
866 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
867 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
868 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
869 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
870 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
871 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
872 let Defs = [EAX,EDX], Uses = [EAX] in
873 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
874 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
876 } // neverHasSideEffects
878 // unsigned division/remainder
879 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
880 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
882 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
883 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
884 "div{w}\t$src", []>, OpSize;
885 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
886 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
889 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
890 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
892 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
893 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
894 "div{w}\t$src", []>, OpSize;
895 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
896 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
900 // Signed division/remainder.
901 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
902 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
903 "idiv{b}\t$src", []>;
904 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
905 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
906 "idiv{w}\t$src", []>, OpSize;
907 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
908 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
909 "idiv{l}\t$src", []>;
910 let mayLoad = 1, mayLoad = 1 in {
911 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
912 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
913 "idiv{b}\t$src", []>;
914 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
915 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
916 "idiv{w}\t$src", []>, OpSize;
917 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
918 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
919 "idiv{l}\t$src", []>;
922 //===----------------------------------------------------------------------===//
923 // Two address Instructions.
925 let isTwoAddress = 1 in {
928 let Uses = [EFLAGS] in {
929 let isCommutable = 1 in {
930 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
931 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
932 "cmovb\t{$src2, $dst|$dst, $src2}",
933 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
934 X86_COND_B, EFLAGS))]>,
936 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
937 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
938 "cmovb\t{$src2, $dst|$dst, $src2}",
939 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
940 X86_COND_B, EFLAGS))]>,
942 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
943 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
944 "cmovae\t{$src2, $dst|$dst, $src2}",
945 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
946 X86_COND_AE, EFLAGS))]>,
948 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
949 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
950 "cmovae\t{$src2, $dst|$dst, $src2}",
951 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
952 X86_COND_AE, EFLAGS))]>,
954 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
955 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
956 "cmove\t{$src2, $dst|$dst, $src2}",
957 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
958 X86_COND_E, EFLAGS))]>,
960 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
961 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
962 "cmove\t{$src2, $dst|$dst, $src2}",
963 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
964 X86_COND_E, EFLAGS))]>,
966 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
967 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
968 "cmovne\t{$src2, $dst|$dst, $src2}",
969 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
970 X86_COND_NE, EFLAGS))]>,
972 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
973 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
974 "cmovne\t{$src2, $dst|$dst, $src2}",
975 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
976 X86_COND_NE, EFLAGS))]>,
978 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
979 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
980 "cmovbe\t{$src2, $dst|$dst, $src2}",
981 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
982 X86_COND_BE, EFLAGS))]>,
984 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
985 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
986 "cmovbe\t{$src2, $dst|$dst, $src2}",
987 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
988 X86_COND_BE, EFLAGS))]>,
990 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
991 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
992 "cmova\t{$src2, $dst|$dst, $src2}",
993 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
994 X86_COND_A, EFLAGS))]>,
996 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
997 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
998 "cmova\t{$src2, $dst|$dst, $src2}",
999 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1000 X86_COND_A, EFLAGS))]>,
1002 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
1003 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1004 "cmovl\t{$src2, $dst|$dst, $src2}",
1005 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1006 X86_COND_L, EFLAGS))]>,
1008 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
1009 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1010 "cmovl\t{$src2, $dst|$dst, $src2}",
1011 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1012 X86_COND_L, EFLAGS))]>,
1014 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
1015 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1016 "cmovge\t{$src2, $dst|$dst, $src2}",
1017 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1018 X86_COND_GE, EFLAGS))]>,
1020 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
1021 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1022 "cmovge\t{$src2, $dst|$dst, $src2}",
1023 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1024 X86_COND_GE, EFLAGS))]>,
1026 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
1027 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1028 "cmovle\t{$src2, $dst|$dst, $src2}",
1029 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1030 X86_COND_LE, EFLAGS))]>,
1032 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
1033 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1034 "cmovle\t{$src2, $dst|$dst, $src2}",
1035 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1036 X86_COND_LE, EFLAGS))]>,
1038 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
1039 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1040 "cmovg\t{$src2, $dst|$dst, $src2}",
1041 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1042 X86_COND_G, EFLAGS))]>,
1044 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
1045 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1046 "cmovg\t{$src2, $dst|$dst, $src2}",
1047 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1048 X86_COND_G, EFLAGS))]>,
1050 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
1051 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1052 "cmovs\t{$src2, $dst|$dst, $src2}",
1053 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1054 X86_COND_S, EFLAGS))]>,
1056 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
1057 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1058 "cmovs\t{$src2, $dst|$dst, $src2}",
1059 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1060 X86_COND_S, EFLAGS))]>,
1062 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
1063 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1064 "cmovns\t{$src2, $dst|$dst, $src2}",
1065 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1066 X86_COND_NS, EFLAGS))]>,
1068 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
1069 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1070 "cmovns\t{$src2, $dst|$dst, $src2}",
1071 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1072 X86_COND_NS, EFLAGS))]>,
1074 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
1075 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1076 "cmovp\t{$src2, $dst|$dst, $src2}",
1077 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1078 X86_COND_P, EFLAGS))]>,
1080 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
1081 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1082 "cmovp\t{$src2, $dst|$dst, $src2}",
1083 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1084 X86_COND_P, EFLAGS))]>,
1086 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
1087 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1088 "cmovnp\t{$src2, $dst|$dst, $src2}",
1089 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1090 X86_COND_NP, EFLAGS))]>,
1092 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1093 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1094 "cmovnp\t{$src2, $dst|$dst, $src2}",
1095 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1096 X86_COND_NP, EFLAGS))]>,
1098 def CMOVO16rr : I<0x40, MRMSrcReg, // if overflow, GR16 = GR16
1099 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1100 "cmovo\t{$src2, $dst|$dst, $src2}",
1101 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1102 X86_COND_O, EFLAGS))]>,
1104 def CMOVO32rr : I<0x40, MRMSrcReg, // if overflow, GR32 = GR32
1105 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1106 "cmovo\t{$src2, $dst|$dst, $src2}",
1107 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1108 X86_COND_O, EFLAGS))]>,
1110 def CMOVNO16rr : I<0x41, MRMSrcReg, // if !overflow, GR16 = GR16
1111 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1112 "cmovno\t{$src2, $dst|$dst, $src2}",
1113 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1114 X86_COND_NO, EFLAGS))]>,
1116 def CMOVNO32rr : I<0x41, MRMSrcReg, // if !overflow, GR32 = GR32
1117 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1118 "cmovno\t{$src2, $dst|$dst, $src2}",
1119 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1120 X86_COND_NO, EFLAGS))]>,
1122 } // isCommutable = 1
1124 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1125 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1126 "cmovb\t{$src2, $dst|$dst, $src2}",
1127 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1128 X86_COND_B, EFLAGS))]>,
1130 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1131 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1132 "cmovb\t{$src2, $dst|$dst, $src2}",
1133 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1134 X86_COND_B, EFLAGS))]>,
1136 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1137 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1138 "cmovae\t{$src2, $dst|$dst, $src2}",
1139 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1140 X86_COND_AE, EFLAGS))]>,
1142 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1143 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1144 "cmovae\t{$src2, $dst|$dst, $src2}",
1145 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1146 X86_COND_AE, EFLAGS))]>,
1148 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1149 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1150 "cmove\t{$src2, $dst|$dst, $src2}",
1151 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1152 X86_COND_E, EFLAGS))]>,
1154 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1155 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1156 "cmove\t{$src2, $dst|$dst, $src2}",
1157 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1158 X86_COND_E, EFLAGS))]>,
1160 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1161 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1162 "cmovne\t{$src2, $dst|$dst, $src2}",
1163 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1164 X86_COND_NE, EFLAGS))]>,
1166 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1167 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1168 "cmovne\t{$src2, $dst|$dst, $src2}",
1169 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1170 X86_COND_NE, EFLAGS))]>,
1172 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1173 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1174 "cmovbe\t{$src2, $dst|$dst, $src2}",
1175 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1176 X86_COND_BE, EFLAGS))]>,
1178 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1179 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1180 "cmovbe\t{$src2, $dst|$dst, $src2}",
1181 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1182 X86_COND_BE, EFLAGS))]>,
1184 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1185 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1186 "cmova\t{$src2, $dst|$dst, $src2}",
1187 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1188 X86_COND_A, EFLAGS))]>,
1190 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1191 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1192 "cmova\t{$src2, $dst|$dst, $src2}",
1193 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1194 X86_COND_A, EFLAGS))]>,
1196 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1197 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1198 "cmovl\t{$src2, $dst|$dst, $src2}",
1199 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1200 X86_COND_L, EFLAGS))]>,
1202 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1203 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1204 "cmovl\t{$src2, $dst|$dst, $src2}",
1205 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1206 X86_COND_L, EFLAGS))]>,
1208 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1209 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1210 "cmovge\t{$src2, $dst|$dst, $src2}",
1211 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1212 X86_COND_GE, EFLAGS))]>,
1214 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1215 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1216 "cmovge\t{$src2, $dst|$dst, $src2}",
1217 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1218 X86_COND_GE, EFLAGS))]>,
1220 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1221 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1222 "cmovle\t{$src2, $dst|$dst, $src2}",
1223 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1224 X86_COND_LE, EFLAGS))]>,
1226 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1227 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1228 "cmovle\t{$src2, $dst|$dst, $src2}",
1229 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1230 X86_COND_LE, EFLAGS))]>,
1232 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1233 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1234 "cmovg\t{$src2, $dst|$dst, $src2}",
1235 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1236 X86_COND_G, EFLAGS))]>,
1238 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1239 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1240 "cmovg\t{$src2, $dst|$dst, $src2}",
1241 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1242 X86_COND_G, EFLAGS))]>,
1244 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1245 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1246 "cmovs\t{$src2, $dst|$dst, $src2}",
1247 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1248 X86_COND_S, EFLAGS))]>,
1250 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1251 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1252 "cmovs\t{$src2, $dst|$dst, $src2}",
1253 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1254 X86_COND_S, EFLAGS))]>,
1256 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1257 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1258 "cmovns\t{$src2, $dst|$dst, $src2}",
1259 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1260 X86_COND_NS, EFLAGS))]>,
1262 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1263 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1264 "cmovns\t{$src2, $dst|$dst, $src2}",
1265 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1266 X86_COND_NS, EFLAGS))]>,
1268 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1269 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1270 "cmovp\t{$src2, $dst|$dst, $src2}",
1271 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1272 X86_COND_P, EFLAGS))]>,
1274 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1275 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1276 "cmovp\t{$src2, $dst|$dst, $src2}",
1277 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1278 X86_COND_P, EFLAGS))]>,
1280 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1281 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1282 "cmovnp\t{$src2, $dst|$dst, $src2}",
1283 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1284 X86_COND_NP, EFLAGS))]>,
1286 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1287 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1288 "cmovnp\t{$src2, $dst|$dst, $src2}",
1289 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1290 X86_COND_NP, EFLAGS))]>,
1292 def CMOVO16rm : I<0x40, MRMSrcMem, // if overflow, GR16 = [mem16]
1293 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1294 "cmovo\t{$src2, $dst|$dst, $src2}",
1295 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1296 X86_COND_O, EFLAGS))]>,
1298 def CMOVO32rm : I<0x40, MRMSrcMem, // if overflow, GR32 = [mem32]
1299 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1300 "cmovo\t{$src2, $dst|$dst, $src2}",
1301 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1302 X86_COND_O, EFLAGS))]>,
1304 def CMOVNO16rm : I<0x41, MRMSrcMem, // if !overflow, GR16 = [mem16]
1305 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1306 "cmovno\t{$src2, $dst|$dst, $src2}",
1307 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1308 X86_COND_NO, EFLAGS))]>,
1310 def CMOVNO32rm : I<0x41, MRMSrcMem, // if !overflow, GR32 = [mem32]
1311 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1312 "cmovno\t{$src2, $dst|$dst, $src2}",
1313 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1314 X86_COND_NO, EFLAGS))]>,
1316 } // Uses = [EFLAGS]
1319 // unary instructions
1320 let CodeSize = 2 in {
1321 let Defs = [EFLAGS] in {
1322 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src), "neg{b}\t$dst",
1323 [(set GR8:$dst, (ineg GR8:$src)),
1324 (implicit EFLAGS)]>;
1325 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src), "neg{w}\t$dst",
1326 [(set GR16:$dst, (ineg GR16:$src)),
1327 (implicit EFLAGS)]>, OpSize;
1328 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src), "neg{l}\t$dst",
1329 [(set GR32:$dst, (ineg GR32:$src)),
1330 (implicit EFLAGS)]>;
1331 let isTwoAddress = 0 in {
1332 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), "neg{b}\t$dst",
1333 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
1334 (implicit EFLAGS)]>;
1335 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), "neg{w}\t$dst",
1336 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
1337 (implicit EFLAGS)]>, OpSize;
1338 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), "neg{l}\t$dst",
1339 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
1340 (implicit EFLAGS)]>;
1342 } // Defs = [EFLAGS]
1344 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
1345 let AddedComplexity = 15 in {
1346 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src), "not{b}\t$dst",
1347 [(set GR8:$dst, (not GR8:$src))]>;
1348 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src), "not{w}\t$dst",
1349 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1350 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src), "not{l}\t$dst",
1351 [(set GR32:$dst, (not GR32:$src))]>;
1353 let isTwoAddress = 0 in {
1354 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), "not{b}\t$dst",
1355 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1356 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), "not{w}\t$dst",
1357 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1358 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), "not{l}\t$dst",
1359 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1363 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1364 let Defs = [EFLAGS] in {
1366 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
1367 [(set GR8:$dst, (add GR8:$src, 1)),
1368 (implicit EFLAGS)]>;
1369 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1370 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "inc{w}\t$dst",
1371 [(set GR16:$dst, (add GR16:$src, 1)),
1372 (implicit EFLAGS)]>,
1373 OpSize, Requires<[In32BitMode]>;
1374 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "inc{l}\t$dst",
1375 [(set GR32:$dst, (add GR32:$src, 1)),
1376 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1378 let isTwoAddress = 0, CodeSize = 2 in {
1379 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1380 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
1381 (implicit EFLAGS)]>;
1382 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1383 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
1384 (implicit EFLAGS)]>,
1385 OpSize, Requires<[In32BitMode]>;
1386 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1387 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
1388 (implicit EFLAGS)]>,
1389 Requires<[In32BitMode]>;
1393 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src), "dec{b}\t$dst",
1394 [(set GR8:$dst, (add GR8:$src, -1)),
1395 (implicit EFLAGS)]>;
1396 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1397 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "dec{w}\t$dst",
1398 [(set GR16:$dst, (add GR16:$src, -1)),
1399 (implicit EFLAGS)]>,
1400 OpSize, Requires<[In32BitMode]>;
1401 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "dec{l}\t$dst",
1402 [(set GR32:$dst, (add GR32:$src, -1)),
1403 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1406 let isTwoAddress = 0, CodeSize = 2 in {
1407 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1408 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
1409 (implicit EFLAGS)]>;
1410 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1411 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
1412 (implicit EFLAGS)]>,
1413 OpSize, Requires<[In32BitMode]>;
1414 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1415 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
1416 (implicit EFLAGS)]>,
1417 Requires<[In32BitMode]>;
1419 } // Defs = [EFLAGS]
1421 // Logical operators...
1422 let Defs = [EFLAGS] in {
1423 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1424 def AND8rr : I<0x20, MRMDestReg,
1425 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1426 "and{b}\t{$src2, $dst|$dst, $src2}",
1427 [(set GR8:$dst, (and GR8:$src1, GR8:$src2)),
1428 (implicit EFLAGS)]>;
1429 def AND16rr : I<0x21, MRMDestReg,
1430 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1431 "and{w}\t{$src2, $dst|$dst, $src2}",
1432 [(set GR16:$dst, (and GR16:$src1, GR16:$src2)),
1433 (implicit EFLAGS)]>, OpSize;
1434 def AND32rr : I<0x21, MRMDestReg,
1435 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1436 "and{l}\t{$src2, $dst|$dst, $src2}",
1437 [(set GR32:$dst, (and GR32:$src1, GR32:$src2)),
1438 (implicit EFLAGS)]>;
1441 def AND8rm : I<0x22, MRMSrcMem,
1442 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1443 "and{b}\t{$src2, $dst|$dst, $src2}",
1444 [(set GR8:$dst, (and GR8:$src1, (loadi8 addr:$src2))),
1445 (implicit EFLAGS)]>;
1446 def AND16rm : I<0x23, MRMSrcMem,
1447 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1448 "and{w}\t{$src2, $dst|$dst, $src2}",
1449 [(set GR16:$dst, (and GR16:$src1, (loadi16 addr:$src2))),
1450 (implicit EFLAGS)]>, OpSize;
1451 def AND32rm : I<0x23, MRMSrcMem,
1452 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1453 "and{l}\t{$src2, $dst|$dst, $src2}",
1454 [(set GR32:$dst, (and GR32:$src1, (loadi32 addr:$src2))),
1455 (implicit EFLAGS)]>;
1457 def AND8ri : Ii8<0x80, MRM4r,
1458 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1459 "and{b}\t{$src2, $dst|$dst, $src2}",
1460 [(set GR8:$dst, (and GR8:$src1, imm:$src2)),
1461 (implicit EFLAGS)]>;
1462 def AND16ri : Ii16<0x81, MRM4r,
1463 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1464 "and{w}\t{$src2, $dst|$dst, $src2}",
1465 [(set GR16:$dst, (and GR16:$src1, imm:$src2)),
1466 (implicit EFLAGS)]>, OpSize;
1467 def AND32ri : Ii32<0x81, MRM4r,
1468 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1469 "and{l}\t{$src2, $dst|$dst, $src2}",
1470 [(set GR32:$dst, (and GR32:$src1, imm:$src2)),
1471 (implicit EFLAGS)]>;
1472 def AND16ri8 : Ii8<0x83, MRM4r,
1473 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1474 "and{w}\t{$src2, $dst|$dst, $src2}",
1475 [(set GR16:$dst, (and GR16:$src1, i16immSExt8:$src2)),
1476 (implicit EFLAGS)]>,
1478 def AND32ri8 : Ii8<0x83, MRM4r,
1479 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1480 "and{l}\t{$src2, $dst|$dst, $src2}",
1481 [(set GR32:$dst, (and GR32:$src1, i32immSExt8:$src2)),
1482 (implicit EFLAGS)]>;
1484 let isTwoAddress = 0 in {
1485 def AND8mr : I<0x20, MRMDestMem,
1486 (outs), (ins i8mem :$dst, GR8 :$src),
1487 "and{b}\t{$src, $dst|$dst, $src}",
1488 [(store (and (load addr:$dst), GR8:$src), addr:$dst),
1489 (implicit EFLAGS)]>;
1490 def AND16mr : I<0x21, MRMDestMem,
1491 (outs), (ins i16mem:$dst, GR16:$src),
1492 "and{w}\t{$src, $dst|$dst, $src}",
1493 [(store (and (load addr:$dst), GR16:$src), addr:$dst),
1494 (implicit EFLAGS)]>,
1496 def AND32mr : I<0x21, MRMDestMem,
1497 (outs), (ins i32mem:$dst, GR32:$src),
1498 "and{l}\t{$src, $dst|$dst, $src}",
1499 [(store (and (load addr:$dst), GR32:$src), addr:$dst),
1500 (implicit EFLAGS)]>;
1501 def AND8mi : Ii8<0x80, MRM4m,
1502 (outs), (ins i8mem :$dst, i8imm :$src),
1503 "and{b}\t{$src, $dst|$dst, $src}",
1504 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
1505 (implicit EFLAGS)]>;
1506 def AND16mi : Ii16<0x81, MRM4m,
1507 (outs), (ins i16mem:$dst, i16imm:$src),
1508 "and{w}\t{$src, $dst|$dst, $src}",
1509 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
1510 (implicit EFLAGS)]>,
1512 def AND32mi : Ii32<0x81, MRM4m,
1513 (outs), (ins i32mem:$dst, i32imm:$src),
1514 "and{l}\t{$src, $dst|$dst, $src}",
1515 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
1516 (implicit EFLAGS)]>;
1517 def AND16mi8 : Ii8<0x83, MRM4m,
1518 (outs), (ins i16mem:$dst, i16i8imm :$src),
1519 "and{w}\t{$src, $dst|$dst, $src}",
1520 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
1521 (implicit EFLAGS)]>,
1523 def AND32mi8 : Ii8<0x83, MRM4m,
1524 (outs), (ins i32mem:$dst, i32i8imm :$src),
1525 "and{l}\t{$src, $dst|$dst, $src}",
1526 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
1527 (implicit EFLAGS)]>;
1531 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1532 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1533 "or{b}\t{$src2, $dst|$dst, $src2}",
1534 [(set GR8:$dst, (or GR8:$src1, GR8:$src2)),
1535 (implicit EFLAGS)]>;
1536 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1537 "or{w}\t{$src2, $dst|$dst, $src2}",
1538 [(set GR16:$dst, (or GR16:$src1, GR16:$src2)),
1539 (implicit EFLAGS)]>, OpSize;
1540 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1541 "or{l}\t{$src2, $dst|$dst, $src2}",
1542 [(set GR32:$dst, (or GR32:$src1, GR32:$src2)),
1543 (implicit EFLAGS)]>;
1545 def OR8rm : I<0x0A, MRMSrcMem , (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1546 "or{b}\t{$src2, $dst|$dst, $src2}",
1547 [(set GR8:$dst, (or GR8:$src1, (load addr:$src2))),
1548 (implicit EFLAGS)]>;
1549 def OR16rm : I<0x0B, MRMSrcMem , (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1550 "or{w}\t{$src2, $dst|$dst, $src2}",
1551 [(set GR16:$dst, (or GR16:$src1, (load addr:$src2))),
1552 (implicit EFLAGS)]>, OpSize;
1553 def OR32rm : I<0x0B, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1554 "or{l}\t{$src2, $dst|$dst, $src2}",
1555 [(set GR32:$dst, (or GR32:$src1, (load addr:$src2))),
1556 (implicit EFLAGS)]>;
1558 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1559 "or{b}\t{$src2, $dst|$dst, $src2}",
1560 [(set GR8:$dst, (or GR8:$src1, imm:$src2)),
1561 (implicit EFLAGS)]>;
1562 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1563 "or{w}\t{$src2, $dst|$dst, $src2}",
1564 [(set GR16:$dst, (or GR16:$src1, imm:$src2)),
1565 (implicit EFLAGS)]>, OpSize;
1566 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1567 "or{l}\t{$src2, $dst|$dst, $src2}",
1568 [(set GR32:$dst, (or GR32:$src1, imm:$src2)),
1569 (implicit EFLAGS)]>;
1571 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1572 "or{w}\t{$src2, $dst|$dst, $src2}",
1573 [(set GR16:$dst, (or GR16:$src1, i16immSExt8:$src2)),
1574 (implicit EFLAGS)]>, OpSize;
1575 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1576 "or{l}\t{$src2, $dst|$dst, $src2}",
1577 [(set GR32:$dst, (or GR32:$src1, i32immSExt8:$src2)),
1578 (implicit EFLAGS)]>;
1579 let isTwoAddress = 0 in {
1580 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1581 "or{b}\t{$src, $dst|$dst, $src}",
1582 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
1583 (implicit EFLAGS)]>;
1584 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1585 "or{w}\t{$src, $dst|$dst, $src}",
1586 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
1587 (implicit EFLAGS)]>, OpSize;
1588 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1589 "or{l}\t{$src, $dst|$dst, $src}",
1590 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
1591 (implicit EFLAGS)]>;
1592 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1593 "or{b}\t{$src, $dst|$dst, $src}",
1594 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
1595 (implicit EFLAGS)]>;
1596 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
1597 "or{w}\t{$src, $dst|$dst, $src}",
1598 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
1599 (implicit EFLAGS)]>,
1601 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
1602 "or{l}\t{$src, $dst|$dst, $src}",
1603 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
1604 (implicit EFLAGS)]>;
1605 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
1606 "or{w}\t{$src, $dst|$dst, $src}",
1607 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
1608 (implicit EFLAGS)]>,
1610 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
1611 "or{l}\t{$src, $dst|$dst, $src}",
1612 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
1613 (implicit EFLAGS)]>;
1614 } // isTwoAddress = 0
1617 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1618 def XOR8rr : I<0x30, MRMDestReg,
1619 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1620 "xor{b}\t{$src2, $dst|$dst, $src2}",
1621 [(set GR8:$dst, (xor GR8:$src1, GR8:$src2)),
1622 (implicit EFLAGS)]>;
1623 def XOR16rr : I<0x31, MRMDestReg,
1624 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1625 "xor{w}\t{$src2, $dst|$dst, $src2}",
1626 [(set GR16:$dst, (xor GR16:$src1, GR16:$src2)),
1627 (implicit EFLAGS)]>, OpSize;
1628 def XOR32rr : I<0x31, MRMDestReg,
1629 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1630 "xor{l}\t{$src2, $dst|$dst, $src2}",
1631 [(set GR32:$dst, (xor GR32:$src1, GR32:$src2)),
1632 (implicit EFLAGS)]>;
1633 } // isCommutable = 1
1635 def XOR8rm : I<0x32, MRMSrcMem ,
1636 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
1637 "xor{b}\t{$src2, $dst|$dst, $src2}",
1638 [(set GR8:$dst, (xor GR8:$src1, (load addr:$src2))),
1639 (implicit EFLAGS)]>;
1640 def XOR16rm : I<0x33, MRMSrcMem ,
1641 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1642 "xor{w}\t{$src2, $dst|$dst, $src2}",
1643 [(set GR16:$dst, (xor GR16:$src1, (load addr:$src2))),
1644 (implicit EFLAGS)]>,
1646 def XOR32rm : I<0x33, MRMSrcMem ,
1647 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1648 "xor{l}\t{$src2, $dst|$dst, $src2}",
1649 [(set GR32:$dst, (xor GR32:$src1, (load addr:$src2))),
1650 (implicit EFLAGS)]>;
1652 def XOR8ri : Ii8<0x80, MRM6r,
1653 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1654 "xor{b}\t{$src2, $dst|$dst, $src2}",
1655 [(set GR8:$dst, (xor GR8:$src1, imm:$src2)),
1656 (implicit EFLAGS)]>;
1657 def XOR16ri : Ii16<0x81, MRM6r,
1658 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1659 "xor{w}\t{$src2, $dst|$dst, $src2}",
1660 [(set GR16:$dst, (xor GR16:$src1, imm:$src2)),
1661 (implicit EFLAGS)]>, OpSize;
1662 def XOR32ri : Ii32<0x81, MRM6r,
1663 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1664 "xor{l}\t{$src2, $dst|$dst, $src2}",
1665 [(set GR32:$dst, (xor GR32:$src1, imm:$src2)),
1666 (implicit EFLAGS)]>;
1667 def XOR16ri8 : Ii8<0x83, MRM6r,
1668 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1669 "xor{w}\t{$src2, $dst|$dst, $src2}",
1670 [(set GR16:$dst, (xor GR16:$src1, i16immSExt8:$src2)),
1671 (implicit EFLAGS)]>,
1673 def XOR32ri8 : Ii8<0x83, MRM6r,
1674 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1675 "xor{l}\t{$src2, $dst|$dst, $src2}",
1676 [(set GR32:$dst, (xor GR32:$src1, i32immSExt8:$src2)),
1677 (implicit EFLAGS)]>;
1679 let isTwoAddress = 0 in {
1680 def XOR8mr : I<0x30, MRMDestMem,
1681 (outs), (ins i8mem :$dst, GR8 :$src),
1682 "xor{b}\t{$src, $dst|$dst, $src}",
1683 [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
1684 (implicit EFLAGS)]>;
1685 def XOR16mr : I<0x31, MRMDestMem,
1686 (outs), (ins i16mem:$dst, GR16:$src),
1687 "xor{w}\t{$src, $dst|$dst, $src}",
1688 [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
1689 (implicit EFLAGS)]>,
1691 def XOR32mr : I<0x31, MRMDestMem,
1692 (outs), (ins i32mem:$dst, GR32:$src),
1693 "xor{l}\t{$src, $dst|$dst, $src}",
1694 [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
1695 (implicit EFLAGS)]>;
1696 def XOR8mi : Ii8<0x80, MRM6m,
1697 (outs), (ins i8mem :$dst, i8imm :$src),
1698 "xor{b}\t{$src, $dst|$dst, $src}",
1699 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
1700 (implicit EFLAGS)]>;
1701 def XOR16mi : Ii16<0x81, MRM6m,
1702 (outs), (ins i16mem:$dst, i16imm:$src),
1703 "xor{w}\t{$src, $dst|$dst, $src}",
1704 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
1705 (implicit EFLAGS)]>,
1707 def XOR32mi : Ii32<0x81, MRM6m,
1708 (outs), (ins i32mem:$dst, i32imm:$src),
1709 "xor{l}\t{$src, $dst|$dst, $src}",
1710 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
1711 (implicit EFLAGS)]>;
1712 def XOR16mi8 : Ii8<0x83, MRM6m,
1713 (outs), (ins i16mem:$dst, i16i8imm :$src),
1714 "xor{w}\t{$src, $dst|$dst, $src}",
1715 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
1716 (implicit EFLAGS)]>,
1718 def XOR32mi8 : Ii8<0x83, MRM6m,
1719 (outs), (ins i32mem:$dst, i32i8imm :$src),
1720 "xor{l}\t{$src, $dst|$dst, $src}",
1721 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
1722 (implicit EFLAGS)]>;
1723 } // isTwoAddress = 0
1724 } // Defs = [EFLAGS]
1726 // Shift instructions
1727 let Defs = [EFLAGS] in {
1728 let Uses = [CL] in {
1729 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src),
1730 "shl{b}\t{%cl, $dst|$dst, %CL}",
1731 [(set GR8:$dst, (shl GR8:$src, CL))]>;
1732 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src),
1733 "shl{w}\t{%cl, $dst|$dst, %CL}",
1734 [(set GR16:$dst, (shl GR16:$src, CL))]>, OpSize;
1735 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src),
1736 "shl{l}\t{%cl, $dst|$dst, %CL}",
1737 [(set GR32:$dst, (shl GR32:$src, CL))]>;
1740 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1741 "shl{b}\t{$src2, $dst|$dst, $src2}",
1742 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
1743 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1744 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1745 "shl{w}\t{$src2, $dst|$dst, $src2}",
1746 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1747 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1748 "shl{l}\t{$src2, $dst|$dst, $src2}",
1749 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
1750 // NOTE: We don't use shifts of a register by one, because 'add reg,reg' is
1752 } // isConvertibleToThreeAddress = 1
1754 let isTwoAddress = 0 in {
1755 let Uses = [CL] in {
1756 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
1757 "shl{b}\t{%cl, $dst|$dst, %CL}",
1758 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
1759 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
1760 "shl{w}\t{%cl, $dst|$dst, %CL}",
1761 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1762 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
1763 "shl{l}\t{%cl, $dst|$dst, %CL}",
1764 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
1766 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
1767 "shl{b}\t{$src, $dst|$dst, $src}",
1768 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1769 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
1770 "shl{w}\t{$src, $dst|$dst, $src}",
1771 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1773 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
1774 "shl{l}\t{$src, $dst|$dst, $src}",
1775 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1778 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
1780 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1781 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
1783 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1785 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
1787 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1790 let Uses = [CL] in {
1791 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src),
1792 "shr{b}\t{%cl, $dst|$dst, %CL}",
1793 [(set GR8:$dst, (srl GR8:$src, CL))]>;
1794 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src),
1795 "shr{w}\t{%cl, $dst|$dst, %CL}",
1796 [(set GR16:$dst, (srl GR16:$src, CL))]>, OpSize;
1797 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src),
1798 "shr{l}\t{%cl, $dst|$dst, %CL}",
1799 [(set GR32:$dst, (srl GR32:$src, CL))]>;
1802 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1803 "shr{b}\t{$src2, $dst|$dst, $src2}",
1804 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
1805 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1806 "shr{w}\t{$src2, $dst|$dst, $src2}",
1807 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1808 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1809 "shr{l}\t{$src2, $dst|$dst, $src2}",
1810 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
1813 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
1815 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
1816 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
1818 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
1819 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
1821 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
1823 let isTwoAddress = 0 in {
1824 let Uses = [CL] in {
1825 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
1826 "shr{b}\t{%cl, $dst|$dst, %CL}",
1827 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
1828 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
1829 "shr{w}\t{%cl, $dst|$dst, %CL}",
1830 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
1832 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
1833 "shr{l}\t{%cl, $dst|$dst, %CL}",
1834 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
1836 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
1837 "shr{b}\t{$src, $dst|$dst, $src}",
1838 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1839 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
1840 "shr{w}\t{$src, $dst|$dst, $src}",
1841 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1843 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
1844 "shr{l}\t{$src, $dst|$dst, $src}",
1845 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1848 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
1850 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1851 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
1853 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
1854 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
1856 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1859 let Uses = [CL] in {
1860 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src),
1861 "sar{b}\t{%cl, $dst|$dst, %CL}",
1862 [(set GR8:$dst, (sra GR8:$src, CL))]>;
1863 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src),
1864 "sar{w}\t{%cl, $dst|$dst, %CL}",
1865 [(set GR16:$dst, (sra GR16:$src, CL))]>, OpSize;
1866 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src),
1867 "sar{l}\t{%cl, $dst|$dst, %CL}",
1868 [(set GR32:$dst, (sra GR32:$src, CL))]>;
1871 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1872 "sar{b}\t{$src2, $dst|$dst, $src2}",
1873 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
1874 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1875 "sar{w}\t{$src2, $dst|$dst, $src2}",
1876 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
1878 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1879 "sar{l}\t{$src2, $dst|$dst, $src2}",
1880 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
1883 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
1885 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
1886 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
1888 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
1889 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
1891 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
1893 let isTwoAddress = 0 in {
1894 let Uses = [CL] in {
1895 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
1896 "sar{b}\t{%cl, $dst|$dst, %CL}",
1897 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
1898 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
1899 "sar{w}\t{%cl, $dst|$dst, %CL}",
1900 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1901 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
1902 "sar{l}\t{%cl, $dst|$dst, %CL}",
1903 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
1905 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
1906 "sar{b}\t{$src, $dst|$dst, $src}",
1907 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1908 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
1909 "sar{w}\t{$src, $dst|$dst, $src}",
1910 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1912 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
1913 "sar{l}\t{$src, $dst|$dst, $src}",
1914 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1917 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
1919 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1920 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
1922 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1924 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
1926 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1929 // Rotate instructions
1930 // FIXME: provide shorter instructions when imm8 == 1
1931 let Uses = [CL] in {
1932 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),
1933 "rol{b}\t{%cl, $dst|$dst, %CL}",
1934 [(set GR8:$dst, (rotl GR8:$src, CL))]>;
1935 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src),
1936 "rol{w}\t{%cl, $dst|$dst, %CL}",
1937 [(set GR16:$dst, (rotl GR16:$src, CL))]>, OpSize;
1938 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src),
1939 "rol{l}\t{%cl, $dst|$dst, %CL}",
1940 [(set GR32:$dst, (rotl GR32:$src, CL))]>;
1943 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1944 "rol{b}\t{$src2, $dst|$dst, $src2}",
1945 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
1946 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1947 "rol{w}\t{$src2, $dst|$dst, $src2}",
1948 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1949 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1950 "rol{l}\t{$src2, $dst|$dst, $src2}",
1951 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
1954 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
1956 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
1957 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
1959 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
1960 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
1962 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
1964 let isTwoAddress = 0 in {
1965 let Uses = [CL] in {
1966 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
1967 "rol{b}\t{%cl, $dst|$dst, %CL}",
1968 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
1969 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
1970 "rol{w}\t{%cl, $dst|$dst, %CL}",
1971 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1972 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
1973 "rol{l}\t{%cl, $dst|$dst, %CL}",
1974 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
1976 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
1977 "rol{b}\t{$src, $dst|$dst, $src}",
1978 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1979 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
1980 "rol{w}\t{$src, $dst|$dst, $src}",
1981 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1983 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
1984 "rol{l}\t{$src, $dst|$dst, $src}",
1985 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1988 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
1990 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1991 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
1993 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1995 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
1997 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2000 let Uses = [CL] in {
2001 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),
2002 "ror{b}\t{%cl, $dst|$dst, %CL}",
2003 [(set GR8:$dst, (rotr GR8:$src, CL))]>;
2004 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src),
2005 "ror{w}\t{%cl, $dst|$dst, %CL}",
2006 [(set GR16:$dst, (rotr GR16:$src, CL))]>, OpSize;
2007 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src),
2008 "ror{l}\t{%cl, $dst|$dst, %CL}",
2009 [(set GR32:$dst, (rotr GR32:$src, CL))]>;
2012 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
2013 "ror{b}\t{$src2, $dst|$dst, $src2}",
2014 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
2015 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
2016 "ror{w}\t{$src2, $dst|$dst, $src2}",
2017 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>, OpSize;
2018 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
2019 "ror{l}\t{$src2, $dst|$dst, $src2}",
2020 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
2023 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
2025 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
2026 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
2028 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
2029 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
2031 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
2033 let isTwoAddress = 0 in {
2034 let Uses = [CL] in {
2035 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
2036 "ror{b}\t{%cl, $dst|$dst, %CL}",
2037 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
2038 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
2039 "ror{w}\t{%cl, $dst|$dst, %CL}",
2040 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
2041 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
2042 "ror{l}\t{%cl, $dst|$dst, %CL}",
2043 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
2045 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
2046 "ror{b}\t{$src, $dst|$dst, $src}",
2047 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2048 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
2049 "ror{w}\t{$src, $dst|$dst, $src}",
2050 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
2052 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
2053 "ror{l}\t{$src, $dst|$dst, $src}",
2054 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
2057 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
2059 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
2060 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
2062 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
2064 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
2066 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
2071 // Double shift instructions (generalizations of rotate)
2072 let Uses = [CL] in {
2073 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2074 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2075 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
2076 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2077 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2078 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
2079 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2080 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2081 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
2083 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
2084 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2085 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
2089 let isCommutable = 1 in { // These instructions commute to each other.
2090 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
2091 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2092 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2093 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
2096 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
2097 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2098 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2099 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
2102 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
2103 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2104 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2105 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
2108 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
2109 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2110 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2111 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
2116 let isTwoAddress = 0 in {
2117 let Uses = [CL] in {
2118 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2119 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2120 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
2122 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2123 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2124 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
2127 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
2128 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2129 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2130 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
2131 (i8 imm:$src3)), addr:$dst)]>,
2133 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
2134 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2135 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2136 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
2137 (i8 imm:$src3)), addr:$dst)]>,
2140 let Uses = [CL] in {
2141 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2142 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2143 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
2144 addr:$dst)]>, TB, OpSize;
2145 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2146 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2147 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
2148 addr:$dst)]>, TB, OpSize;
2150 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
2151 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2152 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2153 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
2154 (i8 imm:$src3)), addr:$dst)]>,
2156 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
2157 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2158 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2159 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
2160 (i8 imm:$src3)), addr:$dst)]>,
2163 } // Defs = [EFLAGS]
2167 let Defs = [EFLAGS] in {
2168 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
2169 // Register-Register Addition
2170 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
2171 (ins GR8 :$src1, GR8 :$src2),
2172 "add{b}\t{$src2, $dst|$dst, $src2}",
2173 [(set GR8:$dst, (add GR8:$src1, GR8:$src2)),
2174 (implicit EFLAGS)]>;
2176 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2177 // Register-Register Addition
2178 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
2179 (ins GR16:$src1, GR16:$src2),
2180 "add{w}\t{$src2, $dst|$dst, $src2}",
2181 [(set GR16:$dst, (add GR16:$src1, GR16:$src2)),
2182 (implicit EFLAGS)]>, OpSize;
2183 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
2184 (ins GR32:$src1, GR32:$src2),
2185 "add{l}\t{$src2, $dst|$dst, $src2}",
2186 [(set GR32:$dst, (add GR32:$src1, GR32:$src2)),
2187 (implicit EFLAGS)]>;
2188 } // end isConvertibleToThreeAddress
2189 } // end isCommutable
2191 // Register-Memory Addition
2192 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
2193 (ins GR8 :$src1, i8mem :$src2),
2194 "add{b}\t{$src2, $dst|$dst, $src2}",
2195 [(set GR8:$dst, (add GR8:$src1, (load addr:$src2))),
2196 (implicit EFLAGS)]>;
2197 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
2198 (ins GR16:$src1, i16mem:$src2),
2199 "add{w}\t{$src2, $dst|$dst, $src2}",
2200 [(set GR16:$dst, (add GR16:$src1, (load addr:$src2))),
2201 (implicit EFLAGS)]>, OpSize;
2202 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
2203 (ins GR32:$src1, i32mem:$src2),
2204 "add{l}\t{$src2, $dst|$dst, $src2}",
2205 [(set GR32:$dst, (add GR32:$src1, (load addr:$src2))),
2206 (implicit EFLAGS)]>;
2208 // Register-Integer Addition
2209 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2210 "add{b}\t{$src2, $dst|$dst, $src2}",
2211 [(set GR8:$dst, (add GR8:$src1, imm:$src2)),
2212 (implicit EFLAGS)]>;
2214 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2215 // Register-Integer Addition
2216 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
2217 (ins GR16:$src1, i16imm:$src2),
2218 "add{w}\t{$src2, $dst|$dst, $src2}",
2219 [(set GR16:$dst, (add GR16:$src1, imm:$src2)),
2220 (implicit EFLAGS)]>, OpSize;
2221 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2222 (ins GR32:$src1, i32imm:$src2),
2223 "add{l}\t{$src2, $dst|$dst, $src2}",
2224 [(set GR32:$dst, (add GR32:$src1, imm:$src2)),
2225 (implicit EFLAGS)]>;
2226 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2227 (ins GR16:$src1, i16i8imm:$src2),
2228 "add{w}\t{$src2, $dst|$dst, $src2}",
2229 [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2)),
2230 (implicit EFLAGS)]>, OpSize;
2231 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2232 (ins GR32:$src1, i32i8imm:$src2),
2233 "add{l}\t{$src2, $dst|$dst, $src2}",
2234 [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2)),
2235 (implicit EFLAGS)]>;
2238 let isTwoAddress = 0 in {
2239 // Memory-Register Addition
2240 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2241 "add{b}\t{$src2, $dst|$dst, $src2}",
2242 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2243 (implicit EFLAGS)]>;
2244 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2245 "add{w}\t{$src2, $dst|$dst, $src2}",
2246 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2247 (implicit EFLAGS)]>, OpSize;
2248 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2249 "add{l}\t{$src2, $dst|$dst, $src2}",
2250 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2251 (implicit EFLAGS)]>;
2252 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2253 "add{b}\t{$src2, $dst|$dst, $src2}",
2254 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2255 (implicit EFLAGS)]>;
2256 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2257 "add{w}\t{$src2, $dst|$dst, $src2}",
2258 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2259 (implicit EFLAGS)]>, OpSize;
2260 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2261 "add{l}\t{$src2, $dst|$dst, $src2}",
2262 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2263 (implicit EFLAGS)]>;
2264 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2265 "add{w}\t{$src2, $dst|$dst, $src2}",
2266 [(store (add (load addr:$dst), i16immSExt8:$src2),
2268 (implicit EFLAGS)]>, OpSize;
2269 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2270 "add{l}\t{$src2, $dst|$dst, $src2}",
2271 [(store (add (load addr:$dst), i32immSExt8:$src2),
2273 (implicit EFLAGS)]>;
2276 let Uses = [EFLAGS] in {
2277 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2278 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2279 "adc{l}\t{$src2, $dst|$dst, $src2}",
2280 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2282 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2283 "adc{l}\t{$src2, $dst|$dst, $src2}",
2284 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2285 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2286 "adc{l}\t{$src2, $dst|$dst, $src2}",
2287 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2288 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2289 "adc{l}\t{$src2, $dst|$dst, $src2}",
2290 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2292 let isTwoAddress = 0 in {
2293 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2294 "adc{l}\t{$src2, $dst|$dst, $src2}",
2295 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2296 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2297 "adc{l}\t{$src2, $dst|$dst, $src2}",
2298 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2299 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2300 "adc{l}\t{$src2, $dst|$dst, $src2}",
2301 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2303 } // Uses = [EFLAGS]
2305 // Register-Register Subtraction
2306 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2307 "sub{b}\t{$src2, $dst|$dst, $src2}",
2308 [(set GR8:$dst, (sub GR8:$src1, GR8:$src2)),
2309 (implicit EFLAGS)]>;
2310 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2311 "sub{w}\t{$src2, $dst|$dst, $src2}",
2312 [(set GR16:$dst, (sub GR16:$src1, GR16:$src2)),
2313 (implicit EFLAGS)]>, OpSize;
2314 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2315 "sub{l}\t{$src2, $dst|$dst, $src2}",
2316 [(set GR32:$dst, (sub GR32:$src1, GR32:$src2)),
2317 (implicit EFLAGS)]>;
2319 // Register-Memory Subtraction
2320 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
2321 (ins GR8 :$src1, i8mem :$src2),
2322 "sub{b}\t{$src2, $dst|$dst, $src2}",
2323 [(set GR8:$dst, (sub GR8:$src1, (load addr:$src2))),
2324 (implicit EFLAGS)]>;
2325 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
2326 (ins GR16:$src1, i16mem:$src2),
2327 "sub{w}\t{$src2, $dst|$dst, $src2}",
2328 [(set GR16:$dst, (sub GR16:$src1, (load addr:$src2))),
2329 (implicit EFLAGS)]>, OpSize;
2330 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
2331 (ins GR32:$src1, i32mem:$src2),
2332 "sub{l}\t{$src2, $dst|$dst, $src2}",
2333 [(set GR32:$dst, (sub GR32:$src1, (load addr:$src2))),
2334 (implicit EFLAGS)]>;
2336 // Register-Integer Subtraction
2337 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
2338 (ins GR8:$src1, i8imm:$src2),
2339 "sub{b}\t{$src2, $dst|$dst, $src2}",
2340 [(set GR8:$dst, (sub GR8:$src1, imm:$src2)),
2341 (implicit EFLAGS)]>;
2342 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
2343 (ins GR16:$src1, i16imm:$src2),
2344 "sub{w}\t{$src2, $dst|$dst, $src2}",
2345 [(set GR16:$dst, (sub GR16:$src1, imm:$src2)),
2346 (implicit EFLAGS)]>, OpSize;
2347 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
2348 (ins GR32:$src1, i32imm:$src2),
2349 "sub{l}\t{$src2, $dst|$dst, $src2}",
2350 [(set GR32:$dst, (sub GR32:$src1, imm:$src2)),
2351 (implicit EFLAGS)]>;
2352 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
2353 (ins GR16:$src1, i16i8imm:$src2),
2354 "sub{w}\t{$src2, $dst|$dst, $src2}",
2355 [(set GR16:$dst, (sub GR16:$src1, i16immSExt8:$src2)),
2356 (implicit EFLAGS)]>, OpSize;
2357 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
2358 (ins GR32:$src1, i32i8imm:$src2),
2359 "sub{l}\t{$src2, $dst|$dst, $src2}",
2360 [(set GR32:$dst, (sub GR32:$src1, i32immSExt8:$src2)),
2361 (implicit EFLAGS)]>;
2363 let isTwoAddress = 0 in {
2364 // Memory-Register Subtraction
2365 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
2366 "sub{b}\t{$src2, $dst|$dst, $src2}",
2367 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
2368 (implicit EFLAGS)]>;
2369 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2370 "sub{w}\t{$src2, $dst|$dst, $src2}",
2371 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
2372 (implicit EFLAGS)]>, OpSize;
2373 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2374 "sub{l}\t{$src2, $dst|$dst, $src2}",
2375 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
2376 (implicit EFLAGS)]>;
2378 // Memory-Integer Subtraction
2379 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
2380 "sub{b}\t{$src2, $dst|$dst, $src2}",
2381 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
2382 (implicit EFLAGS)]>;
2383 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
2384 "sub{w}\t{$src2, $dst|$dst, $src2}",
2385 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
2386 (implicit EFLAGS)]>, OpSize;
2387 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
2388 "sub{l}\t{$src2, $dst|$dst, $src2}",
2389 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
2390 (implicit EFLAGS)]>;
2391 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2392 "sub{w}\t{$src2, $dst|$dst, $src2}",
2393 [(store (sub (load addr:$dst), i16immSExt8:$src2),
2395 (implicit EFLAGS)]>, OpSize;
2396 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2397 "sub{l}\t{$src2, $dst|$dst, $src2}",
2398 [(store (sub (load addr:$dst), i32immSExt8:$src2),
2400 (implicit EFLAGS)]>;
2403 let Uses = [EFLAGS] in {
2404 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2405 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2406 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
2408 let isTwoAddress = 0 in {
2409 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2410 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2411 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
2412 def SBB8mi : Ii32<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
2413 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2414 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2415 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
2416 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2417 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2418 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2419 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2420 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2422 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2423 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2424 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
2425 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2426 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2427 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
2428 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2429 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2430 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
2431 } // Uses = [EFLAGS]
2432 } // Defs = [EFLAGS]
2434 let Defs = [EFLAGS] in {
2435 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
2436 // Register-Register Signed Integer Multiply
2437 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2438 "imul{w}\t{$src2, $dst|$dst, $src2}",
2439 [(set GR16:$dst, (mul GR16:$src1, GR16:$src2)),
2440 (implicit EFLAGS)]>, TB, OpSize;
2441 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2442 "imul{l}\t{$src2, $dst|$dst, $src2}",
2443 [(set GR32:$dst, (mul GR32:$src1, GR32:$src2)),
2444 (implicit EFLAGS)]>, TB;
2447 // Register-Memory Signed Integer Multiply
2448 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
2449 (ins GR16:$src1, i16mem:$src2),
2450 "imul{w}\t{$src2, $dst|$dst, $src2}",
2451 [(set GR16:$dst, (mul GR16:$src1, (load addr:$src2))),
2452 (implicit EFLAGS)]>, TB, OpSize;
2453 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2454 "imul{l}\t{$src2, $dst|$dst, $src2}",
2455 [(set GR32:$dst, (mul GR32:$src1, (load addr:$src2))),
2456 (implicit EFLAGS)]>, TB;
2457 } // Defs = [EFLAGS]
2458 } // end Two Address instructions
2460 // Suprisingly enough, these are not two address instructions!
2461 let Defs = [EFLAGS] in {
2462 // Register-Integer Signed Integer Multiply
2463 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
2464 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2465 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2466 [(set GR16:$dst, (mul GR16:$src1, imm:$src2)),
2467 (implicit EFLAGS)]>, OpSize;
2468 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
2469 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2470 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2471 [(set GR32:$dst, (mul GR32:$src1, imm:$src2)),
2472 (implicit EFLAGS)]>;
2473 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
2474 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2475 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2476 [(set GR16:$dst, (mul GR16:$src1, i16immSExt8:$src2)),
2477 (implicit EFLAGS)]>, OpSize;
2478 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
2479 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2480 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2481 [(set GR32:$dst, (mul GR32:$src1, i32immSExt8:$src2)),
2482 (implicit EFLAGS)]>;
2484 // Memory-Integer Signed Integer Multiply
2485 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
2486 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
2487 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2488 [(set GR16:$dst, (mul (load addr:$src1), imm:$src2)),
2489 (implicit EFLAGS)]>, OpSize;
2490 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
2491 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
2492 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2493 [(set GR32:$dst, (mul (load addr:$src1), imm:$src2)),
2494 (implicit EFLAGS)]>;
2495 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
2496 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
2497 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2498 [(set GR16:$dst, (mul (load addr:$src1),
2499 i16immSExt8:$src2)),
2500 (implicit EFLAGS)]>, OpSize;
2501 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
2502 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
2503 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2504 [(set GR32:$dst, (mul (load addr:$src1),
2505 i32immSExt8:$src2)),
2506 (implicit EFLAGS)]>;
2507 } // Defs = [EFLAGS]
2509 //===----------------------------------------------------------------------===//
2510 // Test instructions are just like AND, except they don't generate a result.
2512 let Defs = [EFLAGS] in {
2513 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
2514 def TEST8rr : I<0x84, MRMDestReg, (outs), (ins GR8:$src1, GR8:$src2),
2515 "test{b}\t{$src2, $src1|$src1, $src2}",
2516 [(X86cmp (and_su GR8:$src1, GR8:$src2), 0),
2517 (implicit EFLAGS)]>;
2518 def TEST16rr : I<0x85, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2519 "test{w}\t{$src2, $src1|$src1, $src2}",
2520 [(X86cmp (and_su GR16:$src1, GR16:$src2), 0),
2521 (implicit EFLAGS)]>,
2523 def TEST32rr : I<0x85, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2524 "test{l}\t{$src2, $src1|$src1, $src2}",
2525 [(X86cmp (and_su GR32:$src1, GR32:$src2), 0),
2526 (implicit EFLAGS)]>;
2529 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
2530 "test{b}\t{$src2, $src1|$src1, $src2}",
2531 [(X86cmp (and GR8:$src1, (loadi8 addr:$src2)), 0),
2532 (implicit EFLAGS)]>;
2533 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
2534 "test{w}\t{$src2, $src1|$src1, $src2}",
2535 [(X86cmp (and GR16:$src1, (loadi16 addr:$src2)), 0),
2536 (implicit EFLAGS)]>, OpSize;
2537 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
2538 "test{l}\t{$src2, $src1|$src1, $src2}",
2539 [(X86cmp (and GR32:$src1, (loadi32 addr:$src2)), 0),
2540 (implicit EFLAGS)]>;
2542 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
2543 (outs), (ins GR8:$src1, i8imm:$src2),
2544 "test{b}\t{$src2, $src1|$src1, $src2}",
2545 [(X86cmp (and_su GR8:$src1, imm:$src2), 0),
2546 (implicit EFLAGS)]>;
2547 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
2548 (outs), (ins GR16:$src1, i16imm:$src2),
2549 "test{w}\t{$src2, $src1|$src1, $src2}",
2550 [(X86cmp (and_su GR16:$src1, imm:$src2), 0),
2551 (implicit EFLAGS)]>, OpSize;
2552 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
2553 (outs), (ins GR32:$src1, i32imm:$src2),
2554 "test{l}\t{$src2, $src1|$src1, $src2}",
2555 [(X86cmp (and_su GR32:$src1, imm:$src2), 0),
2556 (implicit EFLAGS)]>;
2558 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
2559 (outs), (ins i8mem:$src1, i8imm:$src2),
2560 "test{b}\t{$src2, $src1|$src1, $src2}",
2561 [(X86cmp (and (loadi8 addr:$src1), imm:$src2), 0),
2562 (implicit EFLAGS)]>;
2563 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
2564 (outs), (ins i16mem:$src1, i16imm:$src2),
2565 "test{w}\t{$src2, $src1|$src1, $src2}",
2566 [(X86cmp (and (loadi16 addr:$src1), imm:$src2), 0),
2567 (implicit EFLAGS)]>, OpSize;
2568 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2569 (outs), (ins i32mem:$src1, i32imm:$src2),
2570 "test{l}\t{$src2, $src1|$src1, $src2}",
2571 [(X86cmp (and (loadi32 addr:$src1), imm:$src2), 0),
2572 (implicit EFLAGS)]>;
2573 } // Defs = [EFLAGS]
2576 // Condition code ops, incl. set if equal/not equal/...
2577 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
2578 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
2579 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
2580 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
2582 let Uses = [EFLAGS] in {
2583 def SETEr : I<0x94, MRM0r,
2584 (outs GR8 :$dst), (ins),
2586 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
2588 def SETEm : I<0x94, MRM0m,
2589 (outs), (ins i8mem:$dst),
2591 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
2594 def SETNEr : I<0x95, MRM0r,
2595 (outs GR8 :$dst), (ins),
2597 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
2599 def SETNEm : I<0x95, MRM0m,
2600 (outs), (ins i8mem:$dst),
2602 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
2605 def SETLr : I<0x9C, MRM0r,
2606 (outs GR8 :$dst), (ins),
2608 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
2609 TB; // GR8 = < signed
2610 def SETLm : I<0x9C, MRM0m,
2611 (outs), (ins i8mem:$dst),
2613 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
2614 TB; // [mem8] = < signed
2616 def SETGEr : I<0x9D, MRM0r,
2617 (outs GR8 :$dst), (ins),
2619 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
2620 TB; // GR8 = >= signed
2621 def SETGEm : I<0x9D, MRM0m,
2622 (outs), (ins i8mem:$dst),
2624 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
2625 TB; // [mem8] = >= signed
2627 def SETLEr : I<0x9E, MRM0r,
2628 (outs GR8 :$dst), (ins),
2630 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
2631 TB; // GR8 = <= signed
2632 def SETLEm : I<0x9E, MRM0m,
2633 (outs), (ins i8mem:$dst),
2635 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
2636 TB; // [mem8] = <= signed
2638 def SETGr : I<0x9F, MRM0r,
2639 (outs GR8 :$dst), (ins),
2641 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
2642 TB; // GR8 = > signed
2643 def SETGm : I<0x9F, MRM0m,
2644 (outs), (ins i8mem:$dst),
2646 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
2647 TB; // [mem8] = > signed
2649 def SETBr : I<0x92, MRM0r,
2650 (outs GR8 :$dst), (ins),
2652 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
2653 TB; // GR8 = < unsign
2654 def SETBm : I<0x92, MRM0m,
2655 (outs), (ins i8mem:$dst),
2657 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
2658 TB; // [mem8] = < unsign
2660 def SETAEr : I<0x93, MRM0r,
2661 (outs GR8 :$dst), (ins),
2663 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
2664 TB; // GR8 = >= unsign
2665 def SETAEm : I<0x93, MRM0m,
2666 (outs), (ins i8mem:$dst),
2668 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
2669 TB; // [mem8] = >= unsign
2671 def SETBEr : I<0x96, MRM0r,
2672 (outs GR8 :$dst), (ins),
2674 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
2675 TB; // GR8 = <= unsign
2676 def SETBEm : I<0x96, MRM0m,
2677 (outs), (ins i8mem:$dst),
2679 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
2680 TB; // [mem8] = <= unsign
2682 def SETAr : I<0x97, MRM0r,
2683 (outs GR8 :$dst), (ins),
2685 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
2686 TB; // GR8 = > signed
2687 def SETAm : I<0x97, MRM0m,
2688 (outs), (ins i8mem:$dst),
2690 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
2691 TB; // [mem8] = > signed
2693 def SETSr : I<0x98, MRM0r,
2694 (outs GR8 :$dst), (ins),
2696 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
2697 TB; // GR8 = <sign bit>
2698 def SETSm : I<0x98, MRM0m,
2699 (outs), (ins i8mem:$dst),
2701 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
2702 TB; // [mem8] = <sign bit>
2703 def SETNSr : I<0x99, MRM0r,
2704 (outs GR8 :$dst), (ins),
2706 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
2707 TB; // GR8 = !<sign bit>
2708 def SETNSm : I<0x99, MRM0m,
2709 (outs), (ins i8mem:$dst),
2711 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
2712 TB; // [mem8] = !<sign bit>
2714 def SETPr : I<0x9A, MRM0r,
2715 (outs GR8 :$dst), (ins),
2717 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
2719 def SETPm : I<0x9A, MRM0m,
2720 (outs), (ins i8mem:$dst),
2722 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
2723 TB; // [mem8] = parity
2724 def SETNPr : I<0x9B, MRM0r,
2725 (outs GR8 :$dst), (ins),
2727 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
2728 TB; // GR8 = not parity
2729 def SETNPm : I<0x9B, MRM0m,
2730 (outs), (ins i8mem:$dst),
2732 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
2733 TB; // [mem8] = not parity
2735 def SETOr : I<0x90, MRM0r,
2736 (outs GR8 :$dst), (ins),
2738 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
2739 TB; // GR8 = overflow
2740 def SETOm : I<0x90, MRM0m,
2741 (outs), (ins i8mem:$dst),
2743 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
2744 TB; // [mem8] = overflow
2745 def SETNOr : I<0x91, MRM0r,
2746 (outs GR8 :$dst), (ins),
2748 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
2749 TB; // GR8 = not overflow
2750 def SETNOm : I<0x91, MRM0m,
2751 (outs), (ins i8mem:$dst),
2753 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
2754 TB; // [mem8] = not overflow
2755 } // Uses = [EFLAGS]
2758 // Integer comparisons
2759 let Defs = [EFLAGS] in {
2760 def CMP8rr : I<0x38, MRMDestReg,
2761 (outs), (ins GR8 :$src1, GR8 :$src2),
2762 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2763 [(X86cmp GR8:$src1, GR8:$src2), (implicit EFLAGS)]>;
2764 def CMP16rr : I<0x39, MRMDestReg,
2765 (outs), (ins GR16:$src1, GR16:$src2),
2766 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2767 [(X86cmp GR16:$src1, GR16:$src2), (implicit EFLAGS)]>, OpSize;
2768 def CMP32rr : I<0x39, MRMDestReg,
2769 (outs), (ins GR32:$src1, GR32:$src2),
2770 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2771 [(X86cmp GR32:$src1, GR32:$src2), (implicit EFLAGS)]>;
2772 def CMP8mr : I<0x38, MRMDestMem,
2773 (outs), (ins i8mem :$src1, GR8 :$src2),
2774 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2775 [(X86cmp (loadi8 addr:$src1), GR8:$src2),
2776 (implicit EFLAGS)]>;
2777 def CMP16mr : I<0x39, MRMDestMem,
2778 (outs), (ins i16mem:$src1, GR16:$src2),
2779 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2780 [(X86cmp (loadi16 addr:$src1), GR16:$src2),
2781 (implicit EFLAGS)]>, OpSize;
2782 def CMP32mr : I<0x39, MRMDestMem,
2783 (outs), (ins i32mem:$src1, GR32:$src2),
2784 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2785 [(X86cmp (loadi32 addr:$src1), GR32:$src2),
2786 (implicit EFLAGS)]>;
2787 def CMP8rm : I<0x3A, MRMSrcMem,
2788 (outs), (ins GR8 :$src1, i8mem :$src2),
2789 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2790 [(X86cmp GR8:$src1, (loadi8 addr:$src2)),
2791 (implicit EFLAGS)]>;
2792 def CMP16rm : I<0x3B, MRMSrcMem,
2793 (outs), (ins GR16:$src1, i16mem:$src2),
2794 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2795 [(X86cmp GR16:$src1, (loadi16 addr:$src2)),
2796 (implicit EFLAGS)]>, OpSize;
2797 def CMP32rm : I<0x3B, MRMSrcMem,
2798 (outs), (ins GR32:$src1, i32mem:$src2),
2799 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2800 [(X86cmp GR32:$src1, (loadi32 addr:$src2)),
2801 (implicit EFLAGS)]>;
2802 def CMP8ri : Ii8<0x80, MRM7r,
2803 (outs), (ins GR8:$src1, i8imm:$src2),
2804 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2805 [(X86cmp GR8:$src1, imm:$src2), (implicit EFLAGS)]>;
2806 def CMP16ri : Ii16<0x81, MRM7r,
2807 (outs), (ins GR16:$src1, i16imm:$src2),
2808 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2809 [(X86cmp GR16:$src1, imm:$src2),
2810 (implicit EFLAGS)]>, OpSize;
2811 def CMP32ri : Ii32<0x81, MRM7r,
2812 (outs), (ins GR32:$src1, i32imm:$src2),
2813 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2814 [(X86cmp GR32:$src1, imm:$src2), (implicit EFLAGS)]>;
2815 def CMP8mi : Ii8 <0x80, MRM7m,
2816 (outs), (ins i8mem :$src1, i8imm :$src2),
2817 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2818 [(X86cmp (loadi8 addr:$src1), imm:$src2),
2819 (implicit EFLAGS)]>;
2820 def CMP16mi : Ii16<0x81, MRM7m,
2821 (outs), (ins i16mem:$src1, i16imm:$src2),
2822 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2823 [(X86cmp (loadi16 addr:$src1), imm:$src2),
2824 (implicit EFLAGS)]>, OpSize;
2825 def CMP32mi : Ii32<0x81, MRM7m,
2826 (outs), (ins i32mem:$src1, i32imm:$src2),
2827 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2828 [(X86cmp (loadi32 addr:$src1), imm:$src2),
2829 (implicit EFLAGS)]>;
2830 def CMP16ri8 : Ii8<0x83, MRM7r,
2831 (outs), (ins GR16:$src1, i16i8imm:$src2),
2832 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2833 [(X86cmp GR16:$src1, i16immSExt8:$src2),
2834 (implicit EFLAGS)]>, OpSize;
2835 def CMP16mi8 : Ii8<0x83, MRM7m,
2836 (outs), (ins i16mem:$src1, i16i8imm:$src2),
2837 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2838 [(X86cmp (loadi16 addr:$src1), i16immSExt8:$src2),
2839 (implicit EFLAGS)]>, OpSize;
2840 def CMP32mi8 : Ii8<0x83, MRM7m,
2841 (outs), (ins i32mem:$src1, i32i8imm:$src2),
2842 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2843 [(X86cmp (loadi32 addr:$src1), i32immSExt8:$src2),
2844 (implicit EFLAGS)]>;
2845 def CMP32ri8 : Ii8<0x83, MRM7r,
2846 (outs), (ins GR32:$src1, i32i8imm:$src2),
2847 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2848 [(X86cmp GR32:$src1, i32immSExt8:$src2),
2849 (implicit EFLAGS)]>;
2850 } // Defs = [EFLAGS]
2853 // TODO: BTC, BTR, and BTS
2854 let Defs = [EFLAGS] in {
2855 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2856 "bt{w}\t{$src2, $src1|$src1, $src2}",
2857 [(X86bt GR16:$src1, GR16:$src2),
2858 (implicit EFLAGS)]>, OpSize, TB;
2859 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2860 "bt{l}\t{$src2, $src1|$src1, $src2}",
2861 [(X86bt GR32:$src1, GR32:$src2),
2862 (implicit EFLAGS)]>, TB;
2864 // Unlike with the register+register form, the memory+register form of the
2865 // bt instruction does not ignore the high bits of the index. From ISel's
2866 // perspective, this is pretty bizarre. Disable these instructions for now.
2867 //def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
2868 // "bt{w}\t{$src2, $src1|$src1, $src2}",
2869 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
2870 // (implicit EFLAGS)]>, OpSize, TB, Requires<[FastBTMem]>;
2871 //def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
2872 // "bt{l}\t{$src2, $src1|$src1, $src2}",
2873 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
2874 // (implicit EFLAGS)]>, TB, Requires<[FastBTMem]>;
2876 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
2877 "bt{w}\t{$src2, $src1|$src1, $src2}",
2878 [(X86bt GR16:$src1, i16immSExt8:$src2),
2879 (implicit EFLAGS)]>, OpSize, TB;
2880 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
2881 "bt{l}\t{$src2, $src1|$src1, $src2}",
2882 [(X86bt GR32:$src1, i32immSExt8:$src2),
2883 (implicit EFLAGS)]>, TB;
2884 // Note that these instructions don't need FastBTMem because that
2885 // only applies when the other operand is in a register. When it's
2886 // an immediate, bt is still fast.
2887 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
2888 "bt{w}\t{$src2, $src1|$src1, $src2}",
2889 [(X86bt (loadi16 addr:$src1), i16immSExt8:$src2),
2890 (implicit EFLAGS)]>, OpSize, TB;
2891 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
2892 "bt{l}\t{$src2, $src1|$src1, $src2}",
2893 [(X86bt (loadi32 addr:$src1), i32immSExt8:$src2),
2894 (implicit EFLAGS)]>, TB;
2895 } // Defs = [EFLAGS]
2897 // Sign/Zero extenders
2898 // Use movsbl intead of movsbw; we don't care about the high 16 bits
2899 // of the register here. This has a smaller encoding and avoids a
2900 // partial-register update.
2901 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
2902 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2903 [(set GR16:$dst, (sext GR8:$src))]>, TB;
2904 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
2905 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2906 [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
2907 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
2908 "movs{bl|x}\t{$src, $dst|$dst, $src}",
2909 [(set GR32:$dst, (sext GR8:$src))]>, TB;
2910 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
2911 "movs{bl|x}\t{$src, $dst|$dst, $src}",
2912 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
2913 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
2914 "movs{wl|x}\t{$src, $dst|$dst, $src}",
2915 [(set GR32:$dst, (sext GR16:$src))]>, TB;
2916 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
2917 "movs{wl|x}\t{$src, $dst|$dst, $src}",
2918 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
2920 // Use movzbl intead of movzbw; we don't care about the high 16 bits
2921 // of the register here. This has a smaller encoding and avoids a
2922 // partial-register update.
2923 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
2924 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2925 [(set GR16:$dst, (zext GR8:$src))]>, TB;
2926 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
2927 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2928 [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
2929 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
2930 "movz{bl|x}\t{$src, $dst|$dst, $src}",
2931 [(set GR32:$dst, (zext GR8:$src))]>, TB;
2932 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
2933 "movz{bl|x}\t{$src, $dst|$dst, $src}",
2934 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
2935 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
2936 "movz{wl|x}\t{$src, $dst|$dst, $src}",
2937 [(set GR32:$dst, (zext GR16:$src))]>, TB;
2938 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
2939 "movz{wl|x}\t{$src, $dst|$dst, $src}",
2940 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
2942 // These are the same as the regular regular MOVZX32rr8 and MOVZX32rm8
2943 // except that they use GR32_NOREX for the output operand register class
2944 // instead of GR32. This allows them to operate on h registers on x86-64.
2945 def MOVZX32_NOREXrr8 : I<0xB6, MRMSrcReg,
2946 (outs GR32_NOREX:$dst), (ins GR8:$src),
2947 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
2950 def MOVZX32_NOREXrm8 : I<0xB6, MRMSrcMem,
2951 (outs GR32_NOREX:$dst), (ins i8mem:$src),
2952 "movz{bl|x}\t{$src, $dst|$dst, $src} # NOREX",
2955 let neverHasSideEffects = 1 in {
2956 let Defs = [AX], Uses = [AL] in
2957 def CBW : I<0x98, RawFrm, (outs), (ins),
2958 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
2959 let Defs = [EAX], Uses = [AX] in
2960 def CWDE : I<0x98, RawFrm, (outs), (ins),
2961 "{cwtl|cwde}", []>; // EAX = signext(AX)
2963 let Defs = [AX,DX], Uses = [AX] in
2964 def CWD : I<0x99, RawFrm, (outs), (ins),
2965 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
2966 let Defs = [EAX,EDX], Uses = [EAX] in
2967 def CDQ : I<0x99, RawFrm, (outs), (ins),
2968 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
2971 //===----------------------------------------------------------------------===//
2972 // Alias Instructions
2973 //===----------------------------------------------------------------------===//
2975 // Alias instructions that map movr0 to xor.
2976 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
2977 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1 in {
2978 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins),
2979 "xor{b}\t$dst, $dst",
2980 [(set GR8:$dst, 0)]>;
2981 // Use xorl instead of xorw since we don't care about the high 16 bits,
2982 // it's smaller, and it avoids a partial-register update.
2983 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
2984 "xor{l}\t${dst:subreg32}, ${dst:subreg32}",
2985 [(set GR16:$dst, 0)]>;
2986 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins),
2987 "xor{l}\t$dst, $dst",
2988 [(set GR32:$dst, 0)]>;
2991 //===----------------------------------------------------------------------===//
2992 // Thread Local Storage Instructions
2995 // All calls clobber the non-callee saved registers. ESP is marked as
2996 // a use to prevent stack-pointer assignments that appear immediately
2997 // before calls from potentially appearing dead.
2998 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
2999 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
3000 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
3001 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
3002 Uses = [ESP, EBX] in
3003 def TLS_addr32 : I<0, Pseudo, (outs), (ins i32imm:$sym),
3004 "leal\t${sym:mem}(,%ebx,1), %eax; "
3005 "call\t___tls_get_addr@PLT",
3006 [(X86tlsaddr tglobaltlsaddr:$sym)]>,
3007 Requires<[In32BitMode]>;
3009 let AddedComplexity = 5 in
3010 def GS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3011 "movl\t%gs:$src, $dst",
3012 [(set GR32:$dst, (gsload addr:$src))]>, SegGS;
3014 let AddedComplexity = 5 in
3015 def FS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
3016 "movl\t%fs:$src, $dst",
3017 [(set GR32:$dst, (fsload addr:$src))]>, SegFS;
3019 //===----------------------------------------------------------------------===//
3020 // DWARF Pseudo Instructions
3023 def DWARF_LOC : I<0, Pseudo, (outs),
3024 (ins i32imm:$line, i32imm:$col, i32imm:$file),
3025 ".loc\t${file:debug} ${line:debug} ${col:debug}",
3026 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
3029 //===----------------------------------------------------------------------===//
3030 // EH Pseudo Instructions
3032 let isTerminator = 1, isReturn = 1, isBarrier = 1,
3034 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
3035 "ret\t#eh_return, addr: $addr",
3036 [(X86ehret GR32:$addr)]>;
3040 //===----------------------------------------------------------------------===//
3044 // Atomic swap. These are just normal xchg instructions. But since a memory
3045 // operand is referenced, the atomicity is ensured.
3046 let Constraints = "$val = $dst" in {
3047 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3048 "xchg{l}\t{$val, $ptr|$ptr, $val}",
3049 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
3050 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3051 "xchg{w}\t{$val, $ptr|$ptr, $val}",
3052 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
3054 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
3055 "xchg{b}\t{$val, $ptr|$ptr, $val}",
3056 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
3059 // Atomic compare and swap.
3060 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
3061 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
3063 "cmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
3064 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
3066 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
3067 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i32mem:$ptr),
3070 [(X86cas8 addr:$ptr)]>, TB, LOCK;
3073 let Defs = [AX, EFLAGS], Uses = [AX] in {
3074 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
3076 "cmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
3077 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
3079 let Defs = [AL, EFLAGS], Uses = [AL] in {
3080 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
3082 "cmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
3083 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
3086 // Atomic exchange and add
3087 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
3088 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3090 "xadd{l}\t{$val, $ptr|$ptr, $val}",
3091 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
3093 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3095 "xadd{w}\t{$val, $ptr|$ptr, $val}",
3096 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
3098 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
3100 "xadd{b}\t{$val, $ptr|$ptr, $val}",
3101 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
3105 // Atomic exchange, and, or, xor
3106 let Constraints = "$val = $dst", Defs = [EFLAGS],
3107 usesCustomDAGSchedInserter = 1 in {
3108 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3109 "#ATOMAND32 PSEUDO!",
3110 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
3111 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3112 "#ATOMOR32 PSEUDO!",
3113 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
3114 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3115 "#ATOMXOR32 PSEUDO!",
3116 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
3117 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3118 "#ATOMNAND32 PSEUDO!",
3119 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
3120 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3121 "#ATOMMIN32 PSEUDO!",
3122 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
3123 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3124 "#ATOMMAX32 PSEUDO!",
3125 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
3126 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3127 "#ATOMUMIN32 PSEUDO!",
3128 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
3129 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3130 "#ATOMUMAX32 PSEUDO!",
3131 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
3133 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3134 "#ATOMAND16 PSEUDO!",
3135 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
3136 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3137 "#ATOMOR16 PSEUDO!",
3138 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
3139 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3140 "#ATOMXOR16 PSEUDO!",
3141 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
3142 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3143 "#ATOMNAND16 PSEUDO!",
3144 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
3145 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3146 "#ATOMMIN16 PSEUDO!",
3147 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
3148 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3149 "#ATOMMAX16 PSEUDO!",
3150 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
3151 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3152 "#ATOMUMIN16 PSEUDO!",
3153 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
3154 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3155 "#ATOMUMAX16 PSEUDO!",
3156 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
3158 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3159 "#ATOMAND8 PSEUDO!",
3160 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
3161 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3163 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
3164 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3165 "#ATOMXOR8 PSEUDO!",
3166 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
3167 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3168 "#ATOMNAND8 PSEUDO!",
3169 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
3172 let Constraints = "$val1 = $dst1, $val2 = $dst2",
3173 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
3174 Uses = [EAX, EBX, ECX, EDX],
3175 mayLoad = 1, mayStore = 1,
3176 usesCustomDAGSchedInserter = 1 in {
3177 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3178 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3179 "#ATOMAND6432 PSEUDO!", []>;
3180 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3181 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3182 "#ATOMOR6432 PSEUDO!", []>;
3183 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3184 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3185 "#ATOMXOR6432 PSEUDO!", []>;
3186 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3187 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3188 "#ATOMNAND6432 PSEUDO!", []>;
3189 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3190 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3191 "#ATOMADD6432 PSEUDO!", []>;
3192 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3193 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3194 "#ATOMSUB6432 PSEUDO!", []>;
3195 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3196 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3197 "#ATOMSWAP6432 PSEUDO!", []>;
3200 //===----------------------------------------------------------------------===//
3201 // Non-Instruction Patterns
3202 //===----------------------------------------------------------------------===//
3204 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
3205 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
3206 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
3207 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
3208 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
3209 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
3211 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
3212 (ADD32ri GR32:$src1, tconstpool:$src2)>;
3213 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
3214 (ADD32ri GR32:$src1, tjumptable:$src2)>;
3215 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
3216 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
3217 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
3218 (ADD32ri GR32:$src1, texternalsym:$src2)>;
3220 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
3221 (MOV32mi addr:$dst, tglobaladdr:$src)>;
3222 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
3223 (MOV32mi addr:$dst, texternalsym:$src)>;
3227 def : Pat<(X86tailcall GR32:$dst),
3230 def : Pat<(X86tailcall (i32 tglobaladdr:$dst)),
3232 def : Pat<(X86tailcall (i32 texternalsym:$dst)),
3235 def : Pat<(X86tcret GR32:$dst, imm:$off),
3236 (TCRETURNri GR32:$dst, imm:$off)>;
3238 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
3239 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3241 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
3242 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3244 def : Pat<(X86call (i32 tglobaladdr:$dst)),
3245 (CALLpcrel32 tglobaladdr:$dst)>;
3246 def : Pat<(X86call (i32 texternalsym:$dst)),
3247 (CALLpcrel32 texternalsym:$dst)>;
3249 // X86 specific add which produces a flag.
3250 def : Pat<(addc GR32:$src1, GR32:$src2),
3251 (ADD32rr GR32:$src1, GR32:$src2)>;
3252 def : Pat<(addc GR32:$src1, (load addr:$src2)),
3253 (ADD32rm GR32:$src1, addr:$src2)>;
3254 def : Pat<(addc GR32:$src1, imm:$src2),
3255 (ADD32ri GR32:$src1, imm:$src2)>;
3256 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
3257 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
3259 def : Pat<(subc GR32:$src1, GR32:$src2),
3260 (SUB32rr GR32:$src1, GR32:$src2)>;
3261 def : Pat<(subc GR32:$src1, (load addr:$src2)),
3262 (SUB32rm GR32:$src1, addr:$src2)>;
3263 def : Pat<(subc GR32:$src1, imm:$src2),
3264 (SUB32ri GR32:$src1, imm:$src2)>;
3265 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
3266 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
3270 // TEST R,R is smaller than CMP R,0
3271 def : Pat<(parallel (X86cmp GR8:$src1, 0), (implicit EFLAGS)),
3272 (TEST8rr GR8:$src1, GR8:$src1)>;
3273 def : Pat<(parallel (X86cmp GR16:$src1, 0), (implicit EFLAGS)),
3274 (TEST16rr GR16:$src1, GR16:$src1)>;
3275 def : Pat<(parallel (X86cmp GR32:$src1, 0), (implicit EFLAGS)),
3276 (TEST32rr GR32:$src1, GR32:$src1)>;
3278 // Conditional moves with folded loads with operands swapped and conditions
3280 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_B, EFLAGS),
3281 (CMOVAE16rm GR16:$src2, addr:$src1)>;
3282 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_B, EFLAGS),
3283 (CMOVAE32rm GR32:$src2, addr:$src1)>;
3284 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_AE, EFLAGS),
3285 (CMOVB16rm GR16:$src2, addr:$src1)>;
3286 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_AE, EFLAGS),
3287 (CMOVB32rm GR32:$src2, addr:$src1)>;
3288 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_E, EFLAGS),
3289 (CMOVNE16rm GR16:$src2, addr:$src1)>;
3290 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_E, EFLAGS),
3291 (CMOVNE32rm GR32:$src2, addr:$src1)>;
3292 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NE, EFLAGS),
3293 (CMOVE16rm GR16:$src2, addr:$src1)>;
3294 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NE, EFLAGS),
3295 (CMOVE32rm GR32:$src2, addr:$src1)>;
3296 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_BE, EFLAGS),
3297 (CMOVA16rm GR16:$src2, addr:$src1)>;
3298 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_BE, EFLAGS),
3299 (CMOVA32rm GR32:$src2, addr:$src1)>;
3300 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_A, EFLAGS),
3301 (CMOVBE16rm GR16:$src2, addr:$src1)>;
3302 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_A, EFLAGS),
3303 (CMOVBE32rm GR32:$src2, addr:$src1)>;
3304 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_L, EFLAGS),
3305 (CMOVGE16rm GR16:$src2, addr:$src1)>;
3306 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_L, EFLAGS),
3307 (CMOVGE32rm GR32:$src2, addr:$src1)>;
3308 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_GE, EFLAGS),
3309 (CMOVL16rm GR16:$src2, addr:$src1)>;
3310 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_GE, EFLAGS),
3311 (CMOVL32rm GR32:$src2, addr:$src1)>;
3312 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_LE, EFLAGS),
3313 (CMOVG16rm GR16:$src2, addr:$src1)>;
3314 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_LE, EFLAGS),
3315 (CMOVG32rm GR32:$src2, addr:$src1)>;
3316 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_G, EFLAGS),
3317 (CMOVLE16rm GR16:$src2, addr:$src1)>;
3318 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_G, EFLAGS),
3319 (CMOVLE32rm GR32:$src2, addr:$src1)>;
3320 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_P, EFLAGS),
3321 (CMOVNP16rm GR16:$src2, addr:$src1)>;
3322 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_P, EFLAGS),
3323 (CMOVNP32rm GR32:$src2, addr:$src1)>;
3324 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NP, EFLAGS),
3325 (CMOVP16rm GR16:$src2, addr:$src1)>;
3326 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NP, EFLAGS),
3327 (CMOVP32rm GR32:$src2, addr:$src1)>;
3328 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_S, EFLAGS),
3329 (CMOVNS16rm GR16:$src2, addr:$src1)>;
3330 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_S, EFLAGS),
3331 (CMOVNS32rm GR32:$src2, addr:$src1)>;
3332 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NS, EFLAGS),
3333 (CMOVS16rm GR16:$src2, addr:$src1)>;
3334 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NS, EFLAGS),
3335 (CMOVS32rm GR32:$src2, addr:$src1)>;
3336 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_O, EFLAGS),
3337 (CMOVNO16rm GR16:$src2, addr:$src1)>;
3338 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_O, EFLAGS),
3339 (CMOVNO32rm GR32:$src2, addr:$src1)>;
3340 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NO, EFLAGS),
3341 (CMOVO16rm GR16:$src2, addr:$src1)>;
3342 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NO, EFLAGS),
3343 (CMOVO32rm GR32:$src2, addr:$src1)>;
3345 // zextload bool -> zextload byte
3346 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3347 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
3348 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3350 // extload bool -> extload byte
3351 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3352 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>,
3353 Requires<[In32BitMode]>;
3354 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3355 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>,
3356 Requires<[In32BitMode]>;
3357 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
3358 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
3361 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>,
3362 Requires<[In32BitMode]>;
3363 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>,
3364 Requires<[In32BitMode]>;
3365 def : Pat<(i32 (anyext GR16:$src)),
3366 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR16:$src, x86_subreg_16bit)>;
3368 // (and (i32 load), 255) -> (zextload i8)
3369 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 255))),
3370 (MOVZX32rm8 addr:$src)>;
3371 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 65535))),
3372 (MOVZX32rm16 addr:$src)>;
3374 //===----------------------------------------------------------------------===//
3376 //===----------------------------------------------------------------------===//
3378 // Odd encoding trick: -128 fits into an 8-bit immediate field while
3379 // +128 doesn't, so in this special case use a sub instead of an add.
3380 def : Pat<(add GR16:$src1, 128),
3381 (SUB16ri8 GR16:$src1, -128)>;
3382 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
3383 (SUB16mi8 addr:$dst, -128)>;
3384 def : Pat<(add GR32:$src1, 128),
3385 (SUB32ri8 GR32:$src1, -128)>;
3386 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
3387 (SUB32mi8 addr:$dst, -128)>;
3389 // r & (2^16-1) ==> movz
3390 def : Pat<(and GR32:$src1, 0xffff),
3391 (MOVZX32rr16 (EXTRACT_SUBREG GR32:$src1, x86_subreg_16bit))>;
3392 // r & (2^8-1) ==> movz
3393 def : Pat<(and GR32:$src1, 0xff),
3394 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src1, GR32_ABCD),
3396 Requires<[In32BitMode]>;
3397 // r & (2^8-1) ==> movz
3398 def : Pat<(and GR16:$src1, 0xff),
3399 (MOVZX16rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src1, GR16_ABCD),
3401 Requires<[In32BitMode]>;
3403 // sext_inreg patterns
3404 def : Pat<(sext_inreg GR32:$src, i16),
3405 (MOVSX32rr16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
3406 def : Pat<(sext_inreg GR32:$src, i8),
3407 (MOVSX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3409 Requires<[In32BitMode]>;
3410 def : Pat<(sext_inreg GR16:$src, i8),
3411 (MOVSX16rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3413 Requires<[In32BitMode]>;
3416 def : Pat<(i16 (trunc GR32:$src)),
3417 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit)>;
3418 def : Pat<(i8 (trunc GR32:$src)),
3419 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3421 Requires<[In32BitMode]>;
3422 def : Pat<(i8 (trunc GR16:$src)),
3423 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3425 Requires<[In32BitMode]>;
3427 // h-register tricks
3428 def : Pat<(i8 (trunc (srl_su GR16:$src, (i8 8)))),
3429 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3430 x86_subreg_8bit_hi)>,
3431 Requires<[In32BitMode]>;
3432 def : Pat<(i8 (trunc (srl_su GR32:$src, (i8 8)))),
3433 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3434 x86_subreg_8bit_hi)>,
3435 Requires<[In32BitMode]>;
3436 def : Pat<(srl_su GR16:$src, (i8 8)),
3439 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR16:$src, GR16_ABCD),
3440 x86_subreg_8bit_hi)),
3442 Requires<[In32BitMode]>;
3443 def : Pat<(and (srl_su GR32:$src, (i8 8)), (i32 255)),
3444 (MOVZX32rr8 (EXTRACT_SUBREG (COPY_TO_REGCLASS GR32:$src, GR32_ABCD),
3445 x86_subreg_8bit_hi))>,
3446 Requires<[In32BitMode]>;
3448 // (shl x, 1) ==> (add x, x)
3449 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
3450 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
3451 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
3453 // (shl x (and y, 31)) ==> (shl x, y)
3454 def : Pat<(shl GR8:$src1, (and CL:$amt, 31)),
3455 (SHL8rCL GR8:$src1)>;
3456 def : Pat<(shl GR16:$src1, (and CL:$amt, 31)),
3457 (SHL16rCL GR16:$src1)>;
3458 def : Pat<(shl GR32:$src1, (and CL:$amt, 31)),
3459 (SHL32rCL GR32:$src1)>;
3460 def : Pat<(store (shl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3461 (SHL8mCL addr:$dst)>;
3462 def : Pat<(store (shl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3463 (SHL16mCL addr:$dst)>;
3464 def : Pat<(store (shl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3465 (SHL32mCL addr:$dst)>;
3467 def : Pat<(srl GR8:$src1, (and CL:$amt, 31)),
3468 (SHR8rCL GR8:$src1)>;
3469 def : Pat<(srl GR16:$src1, (and CL:$amt, 31)),
3470 (SHR16rCL GR16:$src1)>;
3471 def : Pat<(srl GR32:$src1, (and CL:$amt, 31)),
3472 (SHR32rCL GR32:$src1)>;
3473 def : Pat<(store (srl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3474 (SHR8mCL addr:$dst)>;
3475 def : Pat<(store (srl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3476 (SHR16mCL addr:$dst)>;
3477 def : Pat<(store (srl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3478 (SHR32mCL addr:$dst)>;
3480 def : Pat<(sra GR8:$src1, (and CL:$amt, 31)),
3481 (SAR8rCL GR8:$src1)>;
3482 def : Pat<(sra GR16:$src1, (and CL:$amt, 31)),
3483 (SAR16rCL GR16:$src1)>;
3484 def : Pat<(sra GR32:$src1, (and CL:$amt, 31)),
3485 (SAR32rCL GR32:$src1)>;
3486 def : Pat<(store (sra (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3487 (SAR8mCL addr:$dst)>;
3488 def : Pat<(store (sra (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3489 (SAR16mCL addr:$dst)>;
3490 def : Pat<(store (sra (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3491 (SAR32mCL addr:$dst)>;
3493 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
3494 def : Pat<(or (srl GR32:$src1, CL:$amt),
3495 (shl GR32:$src2, (sub 32, CL:$amt))),
3496 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3498 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
3499 (shl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3500 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3502 def : Pat<(or (srl GR32:$src1, (i8 (trunc ECX:$amt))),
3503 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3504 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3506 def : Pat<(store (or (srl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3507 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3509 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3511 def : Pat<(shrd GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3512 (SHRD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3514 def : Pat<(store (shrd (loadi32 addr:$dst), (i8 imm:$amt1),
3515 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3516 (SHRD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3518 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
3519 def : Pat<(or (shl GR32:$src1, CL:$amt),
3520 (srl GR32:$src2, (sub 32, CL:$amt))),
3521 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3523 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
3524 (srl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3525 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3527 def : Pat<(or (shl GR32:$src1, (i8 (trunc ECX:$amt))),
3528 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3529 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3531 def : Pat<(store (or (shl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3532 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3534 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3536 def : Pat<(shld GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3537 (SHLD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3539 def : Pat<(store (shld (loadi32 addr:$dst), (i8 imm:$amt1),
3540 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3541 (SHLD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3543 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
3544 def : Pat<(or (srl GR16:$src1, CL:$amt),
3545 (shl GR16:$src2, (sub 16, CL:$amt))),
3546 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3548 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
3549 (shl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3550 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3552 def : Pat<(or (srl GR16:$src1, (i8 (trunc CX:$amt))),
3553 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3554 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3556 def : Pat<(store (or (srl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3557 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3559 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3561 def : Pat<(shrd GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3562 (SHRD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3564 def : Pat<(store (shrd (loadi16 addr:$dst), (i8 imm:$amt1),
3565 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
3566 (SHRD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
3568 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
3569 def : Pat<(or (shl GR16:$src1, CL:$amt),
3570 (srl GR16:$src2, (sub 16, CL:$amt))),
3571 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
3573 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
3574 (srl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3575 (SHLD16mrCL addr:$dst, GR16:$src2)>;
3577 def : Pat<(or (shl GR16:$src1, (i8 (trunc CX:$amt))),
3578 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3579 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
3581 def : Pat<(store (or (shl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3582 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3584 (SHLD16mrCL addr:$dst, GR16:$src2)>;
3586 def : Pat<(shld GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3587 (SHLD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3589 def : Pat<(store (shld (loadi16 addr:$dst), (i8 imm:$amt1),
3590 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
3591 (SHLD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
3593 //===----------------------------------------------------------------------===//
3594 // EFLAGS-defining Patterns
3595 //===----------------------------------------------------------------------===//
3597 // Register-Register Addition with EFLAGS result
3598 def : Pat<(parallel (X86add_flag GR8:$src1, GR8:$src2),
3600 (ADD8rr GR8:$src1, GR8:$src2)>;
3602 // Register-Register Addition with EFLAGS result
3603 def : Pat<(parallel (X86add_flag GR16:$src1, GR16:$src2),
3605 (ADD16rr GR16:$src1, GR16:$src2)>;
3606 def : Pat<(parallel (X86add_flag GR32:$src1, GR32:$src2),
3608 (ADD32rr GR32:$src1, GR32:$src2)>;
3610 // Register-Memory Addition with EFLAGS result
3611 def : Pat<(parallel (X86add_flag GR8:$src1, (loadi8 addr:$src2)),
3613 (ADD8rm GR8:$src1, addr:$src2)>;
3614 def : Pat<(parallel (X86add_flag GR16:$src1, (loadi16 addr:$src2)),
3616 (ADD16rm GR16:$src1, addr:$src2)>;
3617 def : Pat<(parallel (X86add_flag GR32:$src1, (loadi32 addr:$src2)),
3619 (ADD32rm GR32:$src1, addr:$src2)>;
3621 // Register-Integer Addition with EFLAGS result
3622 def : Pat<(parallel (X86add_flag GR8:$src1, imm:$src2),
3624 (ADD8ri GR8:$src1, imm:$src2)>;
3626 // Register-Integer Addition with EFLAGS result
3627 def : Pat<(parallel (X86add_flag GR16:$src1, imm:$src2),
3629 (ADD16ri GR16:$src1, imm:$src2)>;
3630 def : Pat<(parallel (X86add_flag GR32:$src1, imm:$src2),
3632 (ADD32ri GR32:$src1, imm:$src2)>;
3633 def : Pat<(parallel (X86add_flag GR16:$src1, i16immSExt8:$src2),
3635 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
3636 def : Pat<(parallel (X86add_flag GR32:$src1, i32immSExt8:$src2),
3638 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
3640 // Memory-Register Addition with EFLAGS result
3641 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), GR8:$src2),
3644 (ADD8mr addr:$dst, GR8:$src2)>;
3645 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), GR16:$src2),
3648 (ADD16mr addr:$dst, GR16:$src2)>;
3649 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), GR32:$src2),
3652 (ADD32mr addr:$dst, GR32:$src2)>;
3653 def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), imm:$src2),
3656 (ADD8mi addr:$dst, imm:$src2)>;
3657 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), imm:$src2),
3660 (ADD16mi addr:$dst, imm:$src2)>;
3661 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), imm:$src2),
3664 (ADD32mi addr:$dst, imm:$src2)>;
3665 def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), i16immSExt8:$src2),
3668 (ADD16mi8 addr:$dst, i16immSExt8:$src2)>;
3669 def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), i32immSExt8:$src2),
3672 (ADD32mi8 addr:$dst, i32immSExt8:$src2)>;
3674 // Register-Register Subtraction with EFLAGS result
3675 def : Pat<(parallel (X86sub_flag GR8:$src1, GR8:$src2),
3677 (SUB8rr GR8:$src1, GR8:$src2)>;
3678 def : Pat<(parallel (X86sub_flag GR16:$src1, GR16:$src2),
3680 (SUB16rr GR16:$src1, GR16:$src2)>;
3681 def : Pat<(parallel (X86sub_flag GR32:$src1, GR32:$src2),
3683 (SUB32rr GR32:$src1, GR32:$src2)>;
3685 // Register-Memory Subtraction with EFLAGS result
3686 def : Pat<(parallel (X86sub_flag GR8:$src1, (loadi8 addr:$src2)),
3688 (SUB8rm GR8:$src1, addr:$src2)>;
3689 def : Pat<(parallel (X86sub_flag GR16:$src1, (loadi16 addr:$src2)),
3691 (SUB16rm GR16:$src1, addr:$src2)>;
3692 def : Pat<(parallel (X86sub_flag GR32:$src1, (loadi32 addr:$src2)),
3694 (SUB32rm GR32:$src1, addr:$src2)>;
3696 // Register-Integer Subtraction with EFLAGS result
3697 def : Pat<(parallel (X86sub_flag GR8:$src1, imm:$src2),
3699 (SUB8ri GR8:$src1, imm:$src2)>;
3700 def : Pat<(parallel (X86sub_flag GR16:$src1, imm:$src2),
3702 (SUB16ri GR16:$src1, imm:$src2)>;
3703 def : Pat<(parallel (X86sub_flag GR32:$src1, imm:$src2),
3705 (SUB32ri GR32:$src1, imm:$src2)>;
3706 def : Pat<(parallel (X86sub_flag GR16:$src1, i16immSExt8:$src2),
3708 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
3709 def : Pat<(parallel (X86sub_flag GR32:$src1, i32immSExt8:$src2),
3711 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
3713 // Memory-Register Subtraction with EFLAGS result
3714 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), GR8:$src2),
3717 (SUB8mr addr:$dst, GR8:$src2)>;
3718 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), GR16:$src2),
3721 (SUB16mr addr:$dst, GR16:$src2)>;
3722 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), GR32:$src2),
3725 (SUB32mr addr:$dst, GR32:$src2)>;
3727 // Memory-Integer Subtraction with EFLAGS result
3728 def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), imm:$src2),
3731 (SUB8mi addr:$dst, imm:$src2)>;
3732 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), imm:$src2),
3735 (SUB16mi addr:$dst, imm:$src2)>;
3736 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), imm:$src2),
3739 (SUB32mi addr:$dst, imm:$src2)>;
3740 def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), i16immSExt8:$src2),
3743 (SUB16mi8 addr:$dst, i16immSExt8:$src2)>;
3744 def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), i32immSExt8:$src2),
3747 (SUB32mi8 addr:$dst, i32immSExt8:$src2)>;
3750 // Register-Register Signed Integer Multiply with EFLAGS result
3751 def : Pat<(parallel (X86smul_flag GR16:$src1, GR16:$src2),
3753 (IMUL16rr GR16:$src1, GR16:$src2)>;
3754 def : Pat<(parallel (X86smul_flag GR32:$src1, GR32:$src2),
3756 (IMUL32rr GR32:$src1, GR32:$src2)>;
3758 // Register-Memory Signed Integer Multiply with EFLAGS result
3759 def : Pat<(parallel (X86smul_flag GR16:$src1, (loadi16 addr:$src2)),
3761 (IMUL16rm GR16:$src1, addr:$src2)>;
3762 def : Pat<(parallel (X86smul_flag GR32:$src1, (loadi32 addr:$src2)),
3764 (IMUL32rm GR32:$src1, addr:$src2)>;
3766 // Register-Integer Signed Integer Multiply with EFLAGS result
3767 def : Pat<(parallel (X86smul_flag GR16:$src1, imm:$src2),
3769 (IMUL16rri GR16:$src1, imm:$src2)>;
3770 def : Pat<(parallel (X86smul_flag GR32:$src1, imm:$src2),
3772 (IMUL32rri GR32:$src1, imm:$src2)>;
3773 def : Pat<(parallel (X86smul_flag GR16:$src1, i16immSExt8:$src2),
3775 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
3776 def : Pat<(parallel (X86smul_flag GR32:$src1, i32immSExt8:$src2),
3778 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
3780 // Memory-Integer Signed Integer Multiply with EFLAGS result
3781 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), imm:$src2),
3783 (IMUL16rmi addr:$src1, imm:$src2)>;
3784 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), imm:$src2),
3786 (IMUL32rmi addr:$src1, imm:$src2)>;
3787 def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), i16immSExt8:$src2),
3789 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
3790 def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), i32immSExt8:$src2),
3792 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
3794 // Optimize multiply by 2 with EFLAGS result.
3795 let AddedComplexity = 2 in {
3796 def : Pat<(parallel (X86smul_flag GR16:$src1, 2),
3798 (ADD16rr GR16:$src1, GR16:$src1)>;
3800 def : Pat<(parallel (X86smul_flag GR32:$src1, 2),
3802 (ADD32rr GR32:$src1, GR32:$src1)>;
3805 // INC and DEC with EFLAGS result. Note that these do not set CF.
3806 def : Pat<(parallel (X86inc_flag GR8:$src), (implicit EFLAGS)),
3808 def : Pat<(parallel (store (i8 (X86inc_flag (loadi8 addr:$dst))), addr:$dst),
3811 def : Pat<(parallel (X86dec_flag GR8:$src), (implicit EFLAGS)),
3813 def : Pat<(parallel (store (i8 (X86dec_flag (loadi8 addr:$dst))), addr:$dst),
3817 def : Pat<(parallel (X86inc_flag GR16:$src), (implicit EFLAGS)),
3818 (INC16r GR16:$src)>, Requires<[In32BitMode]>;
3819 def : Pat<(parallel (store (i16 (X86inc_flag (loadi16 addr:$dst))), addr:$dst),
3821 (INC16m addr:$dst)>, Requires<[In32BitMode]>;
3822 def : Pat<(parallel (X86dec_flag GR16:$src), (implicit EFLAGS)),
3823 (DEC16r GR16:$src)>, Requires<[In32BitMode]>;
3824 def : Pat<(parallel (store (i16 (X86dec_flag (loadi16 addr:$dst))), addr:$dst),
3826 (DEC16m addr:$dst)>, Requires<[In32BitMode]>;
3828 def : Pat<(parallel (X86inc_flag GR32:$src), (implicit EFLAGS)),
3829 (INC32r GR32:$src)>, Requires<[In32BitMode]>;
3830 def : Pat<(parallel (store (i32 (X86inc_flag (loadi32 addr:$dst))), addr:$dst),
3832 (INC32m addr:$dst)>, Requires<[In32BitMode]>;
3833 def : Pat<(parallel (X86dec_flag GR32:$src), (implicit EFLAGS)),
3834 (DEC32r GR32:$src)>, Requires<[In32BitMode]>;
3835 def : Pat<(parallel (store (i32 (X86dec_flag (loadi32 addr:$dst))), addr:$dst),
3837 (DEC32m addr:$dst)>, Requires<[In32BitMode]>;
3840 //===----------------------------------------------------------------------===//
3841 // Floating Point Stack Support
3842 //===----------------------------------------------------------------------===//
3844 include "X86InstrFPStack.td"
3846 //===----------------------------------------------------------------------===//
3848 //===----------------------------------------------------------------------===//
3850 include "X86Instr64bit.td"
3852 //===----------------------------------------------------------------------===//
3853 // XMM Floating point support (requires SSE / SSE2)
3854 //===----------------------------------------------------------------------===//
3856 include "X86InstrSSE.td"
3858 //===----------------------------------------------------------------------===//
3859 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
3860 //===----------------------------------------------------------------------===//
3862 include "X86InstrMMX.td"