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 def SDTUnaryArithOvf : SDTypeProfile<1, 1,
32 def SDTBinaryArithOvf : SDTypeProfile<1, 2,
33 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
36 def SDTX86BrCond : SDTypeProfile<0, 3,
37 [SDTCisVT<0, OtherVT>,
38 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
40 def SDTX86SetCC : SDTypeProfile<1, 2,
42 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
44 def SDTX86cas : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisInt<1>,
46 def SDTX86cas8 : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
48 def SDTX86atomicBinary : SDTypeProfile<2, 3, [SDTCisInt<0>, SDTCisInt<1>,
49 SDTCisPtrTy<2>, SDTCisInt<3>,SDTCisInt<4>]>;
50 def SDTX86Ret : SDTypeProfile<0, -1, [SDTCisVT<0, i16>]>;
52 def SDT_X86CallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
53 def SDT_X86CallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>,
56 def SDT_X86Call : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>;
58 def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
60 def SDTX86RdTsc : SDTypeProfile<0, 0, []>;
62 def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
64 def SDT_X86TLSADDR : SDTypeProfile<1, 1, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
66 def SDT_X86TLSTP : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
68 def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
70 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
72 def X86bsf : SDNode<"X86ISD::BSF", SDTIntUnaryOp>;
73 def X86bsr : SDNode<"X86ISD::BSR", SDTIntUnaryOp>;
74 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
75 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
77 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
79 def X86bt : SDNode<"X86ISD::BT", SDTX86CmpTest>;
81 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
82 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
84 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
86 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
87 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
89 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86cas8,
90 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
92 def X86AtomAdd64 : SDNode<"X86ISD::ATOMADD64_DAG", SDTX86atomicBinary,
93 [SDNPHasChain, SDNPMayStore,
94 SDNPMayLoad, SDNPMemOperand]>;
95 def X86AtomSub64 : SDNode<"X86ISD::ATOMSUB64_DAG", SDTX86atomicBinary,
96 [SDNPHasChain, SDNPMayStore,
97 SDNPMayLoad, SDNPMemOperand]>;
98 def X86AtomOr64 : SDNode<"X86ISD::ATOMOR64_DAG", SDTX86atomicBinary,
99 [SDNPHasChain, SDNPMayStore,
100 SDNPMayLoad, SDNPMemOperand]>;
101 def X86AtomXor64 : SDNode<"X86ISD::ATOMXOR64_DAG", SDTX86atomicBinary,
102 [SDNPHasChain, SDNPMayStore,
103 SDNPMayLoad, SDNPMemOperand]>;
104 def X86AtomAnd64 : SDNode<"X86ISD::ATOMAND64_DAG", SDTX86atomicBinary,
105 [SDNPHasChain, SDNPMayStore,
106 SDNPMayLoad, SDNPMemOperand]>;
107 def X86AtomNand64 : SDNode<"X86ISD::ATOMNAND64_DAG", SDTX86atomicBinary,
108 [SDNPHasChain, SDNPMayStore,
109 SDNPMayLoad, SDNPMemOperand]>;
110 def X86AtomSwap64 : SDNode<"X86ISD::ATOMSWAP64_DAG", SDTX86atomicBinary,
111 [SDNPHasChain, SDNPMayStore,
112 SDNPMayLoad, SDNPMemOperand]>;
113 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
114 [SDNPHasChain, SDNPOptInFlag]>;
116 def X86callseq_start :
117 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
118 [SDNPHasChain, SDNPOutFlag]>;
120 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
121 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
123 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
124 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
126 def X86tailcall: SDNode<"X86ISD::TAILCALL", SDT_X86Call,
127 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
129 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
130 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore]>;
131 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
132 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
135 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG",SDTX86RdTsc,
136 [SDNPHasChain, SDNPOutFlag, SDNPSideEffect]>;
138 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
139 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
141 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
142 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
143 def X86TLStp : SDNode<"X86ISD::THREAD_POINTER", SDT_X86TLSTP, []>;
145 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
148 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
149 [SDNPHasChain, SDNPOptInFlag]>;
151 def X86add_ovf : SDNode<"X86ISD::ADD", SDTBinaryArithOvf>;
152 def X86sub_ovf : SDNode<"X86ISD::SUB", SDTBinaryArithOvf>;
153 def X86smul_ovf : SDNode<"X86ISD::SMUL", SDTBinaryArithOvf>;
154 def X86umul_ovf : SDNode<"X86ISD::UMUL", SDTUnaryArithOvf>;
156 //===----------------------------------------------------------------------===//
157 // X86 Operand Definitions.
160 // *mem - Operand definitions for the funky X86 addressing mode operands.
162 class X86MemOperand<string printMethod> : Operand<iPTR> {
163 let PrintMethod = printMethod;
164 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc, i32imm);
167 def i8mem : X86MemOperand<"printi8mem">;
168 def i16mem : X86MemOperand<"printi16mem">;
169 def i32mem : X86MemOperand<"printi32mem">;
170 def i64mem : X86MemOperand<"printi64mem">;
171 def i128mem : X86MemOperand<"printi128mem">;
172 def f32mem : X86MemOperand<"printf32mem">;
173 def f64mem : X86MemOperand<"printf64mem">;
174 def f80mem : X86MemOperand<"printf80mem">;
175 def f128mem : X86MemOperand<"printf128mem">;
177 def lea32mem : Operand<i32> {
178 let PrintMethod = "printi32mem";
179 let MIOperandInfo = (ops GR32, i8imm, GR32, i32imm);
182 def SSECC : Operand<i8> {
183 let PrintMethod = "printSSECC";
186 def piclabel: Operand<i32> {
187 let PrintMethod = "printPICLabel";
190 // A couple of more descriptive operand definitions.
191 // 16-bits but only 8 bits are significant.
192 def i16i8imm : Operand<i16>;
193 // 32-bits but only 8 bits are significant.
194 def i32i8imm : Operand<i32>;
196 // Branch targets have OtherVT type.
197 def brtarget : Operand<OtherVT>;
199 //===----------------------------------------------------------------------===//
200 // X86 Complex Pattern Definitions.
203 // Define X86 specific addressing mode.
204 def addr : ComplexPattern<iPTR, 4, "SelectAddr", [], []>;
205 def lea32addr : ComplexPattern<i32, 4, "SelectLEAAddr",
206 [add, mul, shl, or, frameindex], []>;
208 //===----------------------------------------------------------------------===//
209 // X86 Instruction Predicate Definitions.
210 def HasMMX : Predicate<"Subtarget->hasMMX()">;
211 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
212 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
213 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
214 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
215 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
216 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
217 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
218 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
219 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
220 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
221 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
222 def NotSmallCode : Predicate<"TM.getCodeModel() != CodeModel::Small">;
223 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
224 def OptForSpeed : Predicate<"!OptForSize">;
225 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
227 //===----------------------------------------------------------------------===//
228 // X86 Instruction Format Definitions.
231 include "X86InstrFormats.td"
233 //===----------------------------------------------------------------------===//
234 // Pattern fragments...
237 // X86 specific condition code. These correspond to CondCode in
238 // X86InstrInfo.h. They must be kept in synch.
239 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
240 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
241 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
242 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
243 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
244 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
245 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
246 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
247 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
248 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
249 def X86_COND_NO : PatLeaf<(i8 10)>;
250 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
251 def X86_COND_NS : PatLeaf<(i8 12)>;
252 def X86_COND_O : PatLeaf<(i8 13)>;
253 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
254 def X86_COND_S : PatLeaf<(i8 15)>;
256 def i16immSExt8 : PatLeaf<(i16 imm), [{
257 // i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
258 // sign extended field.
259 return (int16_t)N->getZExtValue() == (int8_t)N->getZExtValue();
262 def i32immSExt8 : PatLeaf<(i32 imm), [{
263 // i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
264 // sign extended field.
265 return (int32_t)N->getZExtValue() == (int8_t)N->getZExtValue();
268 // Helper fragments for loads.
269 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
270 // known to be 32-bit aligned or better. Ditto for i8 to i16.
271 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
272 LoadSDNode *LD = cast<LoadSDNode>(N);
273 ISD::LoadExtType ExtType = LD->getExtensionType();
274 if (ExtType == ISD::NON_EXTLOAD)
276 if (ExtType == ISD::EXTLOAD)
277 return LD->getAlignment() >= 2 && !LD->isVolatile();
281 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
282 LoadSDNode *LD = cast<LoadSDNode>(N);
283 ISD::LoadExtType ExtType = LD->getExtensionType();
284 if (ExtType == ISD::EXTLOAD)
285 return LD->getAlignment() >= 2 && !LD->isVolatile();
289 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
290 LoadSDNode *LD = cast<LoadSDNode>(N);
291 ISD::LoadExtType ExtType = LD->getExtensionType();
292 if (ExtType == ISD::NON_EXTLOAD)
294 if (ExtType == ISD::EXTLOAD)
295 return LD->getAlignment() >= 4 && !LD->isVolatile();
299 def nvloadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
300 LoadSDNode *LD = cast<LoadSDNode>(N);
301 if (LD->isVolatile())
303 ISD::LoadExtType ExtType = LD->getExtensionType();
304 if (ExtType == ISD::NON_EXTLOAD)
306 if (ExtType == ISD::EXTLOAD)
307 return LD->getAlignment() >= 4;
311 def gsload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
312 LoadSDNode *LD = cast<LoadSDNode>(N);
313 const Value *Src = LD->getSrcValue();
316 if (const PointerType *PT = dyn_cast<PointerType>(Src->getType()))
317 return PT->getAddressSpace() == 256;
321 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
322 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr))>;
324 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
325 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
326 def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr))>;
328 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
329 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
330 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
332 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
333 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
334 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
335 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
336 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
337 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
339 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
340 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
341 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
342 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
343 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
344 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
347 // An 'and' node with a single use.
348 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
349 return N->hasOneUse();
352 // 'shld' and 'shrd' instruction patterns. Note that even though these have
353 // the srl and shl in their patterns, the C++ code must still check for them,
354 // because predicates are tested before children nodes are explored.
356 def shrd : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
357 (or (srl node:$src1, node:$amt1),
358 (shl node:$src2, node:$amt2)), [{
359 assert(N->getOpcode() == ISD::OR);
360 return N->getOperand(0).getOpcode() == ISD::SRL &&
361 N->getOperand(1).getOpcode() == ISD::SHL &&
362 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
363 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
364 N->getOperand(0).getConstantOperandVal(1) ==
365 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
368 def shld : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
369 (or (shl node:$src1, node:$amt1),
370 (srl node:$src2, node:$amt2)), [{
371 assert(N->getOpcode() == ISD::OR);
372 return N->getOperand(0).getOpcode() == ISD::SHL &&
373 N->getOperand(1).getOpcode() == ISD::SRL &&
374 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
375 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
376 N->getOperand(0).getConstantOperandVal(1) ==
377 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
380 //===----------------------------------------------------------------------===//
381 // Instruction list...
384 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
385 // a stack adjustment and the codegen must know that they may modify the stack
386 // pointer before prolog-epilog rewriting occurs.
387 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
388 // sub / add which can clobber EFLAGS.
389 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
390 def ADJCALLSTACKDOWN32 : I<0, Pseudo, (outs), (ins i32imm:$amt),
392 [(X86callseq_start timm:$amt)]>,
393 Requires<[In32BitMode]>;
394 def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
396 [(X86callseq_end timm:$amt1, timm:$amt2)]>,
397 Requires<[In32BitMode]>;
401 let neverHasSideEffects = 1 in
402 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
405 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
406 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins piclabel:$label),
407 "call\t$label\n\tpop{l}\t$reg", []>;
409 //===----------------------------------------------------------------------===//
410 // Control Flow Instructions...
413 // Return instructions.
414 let isTerminator = 1, isReturn = 1, isBarrier = 1,
415 hasCtrlDep = 1, FPForm = SpecialFP, FPFormBits = SpecialFP.Value in {
416 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
419 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
421 [(X86retflag imm:$amt)]>;
424 // All branches are RawFrm, Void, Branch, and Terminators
425 let isBranch = 1, isTerminator = 1 in
426 class IBr<bits<8> opcode, dag ins, string asm, list<dag> pattern> :
427 I<opcode, RawFrm, (outs), ins, asm, pattern>;
429 let isBranch = 1, isBarrier = 1 in
430 def JMP : IBr<0xE9, (ins brtarget:$dst), "jmp\t$dst", [(br bb:$dst)]>;
433 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
434 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
435 [(brind GR32:$dst)]>;
436 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
437 [(brind (loadi32 addr:$dst))]>;
440 // Conditional branches
441 let Uses = [EFLAGS] in {
442 def JE : IBr<0x84, (ins brtarget:$dst), "je\t$dst",
443 [(X86brcond bb:$dst, X86_COND_E, EFLAGS)]>, TB;
444 def JNE : IBr<0x85, (ins brtarget:$dst), "jne\t$dst",
445 [(X86brcond bb:$dst, X86_COND_NE, EFLAGS)]>, TB;
446 def JL : IBr<0x8C, (ins brtarget:$dst), "jl\t$dst",
447 [(X86brcond bb:$dst, X86_COND_L, EFLAGS)]>, TB;
448 def JLE : IBr<0x8E, (ins brtarget:$dst), "jle\t$dst",
449 [(X86brcond bb:$dst, X86_COND_LE, EFLAGS)]>, TB;
450 def JG : IBr<0x8F, (ins brtarget:$dst), "jg\t$dst",
451 [(X86brcond bb:$dst, X86_COND_G, EFLAGS)]>, TB;
452 def JGE : IBr<0x8D, (ins brtarget:$dst), "jge\t$dst",
453 [(X86brcond bb:$dst, X86_COND_GE, EFLAGS)]>, TB;
455 def JB : IBr<0x82, (ins brtarget:$dst), "jb\t$dst",
456 [(X86brcond bb:$dst, X86_COND_B, EFLAGS)]>, TB;
457 def JBE : IBr<0x86, (ins brtarget:$dst), "jbe\t$dst",
458 [(X86brcond bb:$dst, X86_COND_BE, EFLAGS)]>, TB;
459 def JA : IBr<0x87, (ins brtarget:$dst), "ja\t$dst",
460 [(X86brcond bb:$dst, X86_COND_A, EFLAGS)]>, TB;
461 def JAE : IBr<0x83, (ins brtarget:$dst), "jae\t$dst",
462 [(X86brcond bb:$dst, X86_COND_AE, EFLAGS)]>, TB;
464 def JS : IBr<0x88, (ins brtarget:$dst), "js\t$dst",
465 [(X86brcond bb:$dst, X86_COND_S, EFLAGS)]>, TB;
466 def JNS : IBr<0x89, (ins brtarget:$dst), "jns\t$dst",
467 [(X86brcond bb:$dst, X86_COND_NS, EFLAGS)]>, TB;
468 def JP : IBr<0x8A, (ins brtarget:$dst), "jp\t$dst",
469 [(X86brcond bb:$dst, X86_COND_P, EFLAGS)]>, TB;
470 def JNP : IBr<0x8B, (ins brtarget:$dst), "jnp\t$dst",
471 [(X86brcond bb:$dst, X86_COND_NP, EFLAGS)]>, TB;
472 def JO : IBr<0x80, (ins brtarget:$dst), "jo\t$dst",
473 [(X86brcond bb:$dst, X86_COND_O, EFLAGS)]>, TB;
474 def JNO : IBr<0x81, (ins brtarget:$dst), "jno\t$dst",
475 [(X86brcond bb:$dst, X86_COND_NO, EFLAGS)]>, TB;
478 //===----------------------------------------------------------------------===//
479 // Call Instructions...
482 // All calls clobber the non-callee saved registers. ESP is marked as
483 // a use to prevent stack-pointer assignments that appear immediately
484 // before calls from potentially appearing dead. Uses for argument
485 // registers are added manually.
486 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
487 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
488 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
489 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
491 def CALLpcrel32 : Ii32<0xE8, RawFrm, (outs), (ins i32imm:$dst,variable_ops),
492 "call\t${dst:call}", []>;
493 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
494 "call\t{*}$dst", [(X86call GR32:$dst)]>;
495 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
496 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
501 def TAILCALL : I<0, Pseudo, (outs), (ins),
505 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
506 def TCRETURNdi : I<0, Pseudo, (outs), (ins i32imm:$dst, i32imm:$offset, variable_ops),
507 "#TC_RETURN $dst $offset",
510 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
511 def TCRETURNri : I<0, Pseudo, (outs), (ins GR32:$dst, i32imm:$offset, variable_ops),
512 "#TC_RETURN $dst $offset",
515 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
517 def TAILJMPd : IBr<0xE9, (ins i32imm:$dst), "jmp\t${dst:call} # TAILCALL",
519 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
520 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst # TAILCALL",
522 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
523 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem:$dst),
524 "jmp\t{*}$dst # TAILCALL", []>;
526 //===----------------------------------------------------------------------===//
527 // Miscellaneous Instructions...
529 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
530 def LEAVE : I<0xC9, RawFrm,
531 (outs), (ins), "leave", []>;
533 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
535 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
538 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
541 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in
542 def POPFD : I<0x9D, RawFrm, (outs), (ins), "popf", []>;
543 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in
544 def PUSHFD : I<0x9C, RawFrm, (outs), (ins), "pushf", []>;
546 let isTwoAddress = 1 in // GR32 = bswap GR32
547 def BSWAP32r : I<0xC8, AddRegFrm,
548 (outs GR32:$dst), (ins GR32:$src),
550 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
553 // Bit scan instructions.
554 let Defs = [EFLAGS] in {
555 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
556 "bsf{w}\t{$src, $dst|$dst, $src}",
557 [(set GR16:$dst, (X86bsf GR16:$src)), (implicit EFLAGS)]>, TB;
558 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
559 "bsf{w}\t{$src, $dst|$dst, $src}",
560 [(set GR16:$dst, (X86bsf (loadi16 addr:$src))),
561 (implicit EFLAGS)]>, TB;
562 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
563 "bsf{l}\t{$src, $dst|$dst, $src}",
564 [(set GR32:$dst, (X86bsf GR32:$src)), (implicit EFLAGS)]>, TB;
565 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
566 "bsf{l}\t{$src, $dst|$dst, $src}",
567 [(set GR32:$dst, (X86bsf (loadi32 addr:$src))),
568 (implicit EFLAGS)]>, TB;
570 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
571 "bsr{w}\t{$src, $dst|$dst, $src}",
572 [(set GR16:$dst, (X86bsr GR16:$src)), (implicit EFLAGS)]>, TB;
573 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
574 "bsr{w}\t{$src, $dst|$dst, $src}",
575 [(set GR16:$dst, (X86bsr (loadi16 addr:$src))),
576 (implicit EFLAGS)]>, TB;
577 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
578 "bsr{l}\t{$src, $dst|$dst, $src}",
579 [(set GR32:$dst, (X86bsr GR32:$src)), (implicit EFLAGS)]>, TB;
580 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
581 "bsr{l}\t{$src, $dst|$dst, $src}",
582 [(set GR32:$dst, (X86bsr (loadi32 addr:$src))),
583 (implicit EFLAGS)]>, TB;
586 let neverHasSideEffects = 1 in
587 def LEA16r : I<0x8D, MRMSrcMem,
588 (outs GR16:$dst), (ins i32mem:$src),
589 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
590 let isReMaterializable = 1 in
591 def LEA32r : I<0x8D, MRMSrcMem,
592 (outs GR32:$dst), (ins lea32mem:$src),
593 "lea{l}\t{$src|$dst}, {$dst|$src}",
594 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
596 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI] in {
597 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
598 [(X86rep_movs i8)]>, REP;
599 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
600 [(X86rep_movs i16)]>, REP, OpSize;
601 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
602 [(X86rep_movs i32)]>, REP;
605 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI] in
606 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
607 [(X86rep_stos i8)]>, REP;
608 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI] in
609 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
610 [(X86rep_stos i16)]>, REP, OpSize;
611 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI] in
612 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
613 [(X86rep_stos i32)]>, REP;
615 let Defs = [RAX, RDX] in
616 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
619 let isBarrier = 1, hasCtrlDep = 1 in {
620 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
623 //===----------------------------------------------------------------------===//
624 // Input/Output Instructions...
626 let Defs = [AL], Uses = [DX] in
627 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
628 "in{b}\t{%dx, %al|%AL, %DX}", []>;
629 let Defs = [AX], Uses = [DX] in
630 def IN16rr : I<0xED, RawFrm, (outs), (ins),
631 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
632 let Defs = [EAX], Uses = [DX] in
633 def IN32rr : I<0xED, RawFrm, (outs), (ins),
634 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
637 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i16i8imm:$port),
638 "in{b}\t{$port, %al|%AL, $port}", []>;
640 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
641 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
643 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
644 "in{l}\t{$port, %eax|%EAX, $port}", []>;
646 let Uses = [DX, AL] in
647 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
648 "out{b}\t{%al, %dx|%DX, %AL}", []>;
649 let Uses = [DX, AX] in
650 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
651 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
652 let Uses = [DX, EAX] in
653 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
654 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
657 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i16i8imm:$port),
658 "out{b}\t{%al, $port|$port, %AL}", []>;
660 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
661 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
663 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
664 "out{l}\t{%eax, $port|$port, %EAX}", []>;
666 //===----------------------------------------------------------------------===//
667 // Move Instructions...
669 let neverHasSideEffects = 1 in {
670 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
671 "mov{b}\t{$src, $dst|$dst, $src}", []>;
672 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
673 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
674 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
675 "mov{l}\t{$src, $dst|$dst, $src}", []>;
677 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
678 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
679 "mov{b}\t{$src, $dst|$dst, $src}",
680 [(set GR8:$dst, imm:$src)]>;
681 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
682 "mov{w}\t{$src, $dst|$dst, $src}",
683 [(set GR16:$dst, imm:$src)]>, OpSize;
684 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
685 "mov{l}\t{$src, $dst|$dst, $src}",
686 [(set GR32:$dst, imm:$src)]>;
688 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
689 "mov{b}\t{$src, $dst|$dst, $src}",
690 [(store (i8 imm:$src), addr:$dst)]>;
691 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
692 "mov{w}\t{$src, $dst|$dst, $src}",
693 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
694 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
695 "mov{l}\t{$src, $dst|$dst, $src}",
696 [(store (i32 imm:$src), addr:$dst)]>;
698 let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in {
699 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
700 "mov{b}\t{$src, $dst|$dst, $src}",
701 [(set GR8:$dst, (load addr:$src))]>;
702 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
703 "mov{w}\t{$src, $dst|$dst, $src}",
704 [(set GR16:$dst, (load addr:$src))]>, OpSize;
705 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
706 "mov{l}\t{$src, $dst|$dst, $src}",
707 [(set GR32:$dst, (load addr:$src))]>;
710 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
711 "mov{b}\t{$src, $dst|$dst, $src}",
712 [(store GR8:$src, addr:$dst)]>;
713 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
714 "mov{w}\t{$src, $dst|$dst, $src}",
715 [(store GR16:$src, addr:$dst)]>, OpSize;
716 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
717 "mov{l}\t{$src, $dst|$dst, $src}",
718 [(store GR32:$src, addr:$dst)]>;
720 //===----------------------------------------------------------------------===//
721 // Fixed-Register Multiplication and Division Instructions...
724 // Extra precision multiplication
725 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
726 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
727 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
728 // This probably ought to be moved to a def : Pat<> if the
729 // syntax can be accepted.
730 [(set AL, (mul AL, GR8:$src)),
731 (implicit EFLAGS)]>; // AL,AH = AL*GR8
733 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
734 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
736 []>, OpSize; // AX,DX = AX*GR16
738 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
739 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
741 []>; // EAX,EDX = EAX*GR32
743 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
744 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
746 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
747 // This probably ought to be moved to a def : Pat<> if the
748 // syntax can be accepted.
749 [(set AL, (mul AL, (loadi8 addr:$src))),
750 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
752 let mayLoad = 1, neverHasSideEffects = 1 in {
753 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
754 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
756 []>, OpSize; // AX,DX = AX*[mem16]
758 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
759 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
761 []>; // EAX,EDX = EAX*[mem32]
764 let neverHasSideEffects = 1 in {
765 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
766 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
768 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
769 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
770 OpSize; // AX,DX = AX*GR16
771 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
772 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
773 // EAX,EDX = EAX*GR32
775 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
776 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
777 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
778 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
779 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
780 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
781 let Defs = [EAX,EDX], Uses = [EAX] in
782 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
783 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
785 } // neverHasSideEffects
787 // unsigned division/remainder
788 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
789 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
791 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
792 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
793 "div{w}\t$src", []>, OpSize;
794 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
795 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
798 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
799 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
801 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
802 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
803 "div{w}\t$src", []>, OpSize;
804 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
805 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
809 // Signed division/remainder.
810 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
811 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
812 "idiv{b}\t$src", []>;
813 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
814 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
815 "idiv{w}\t$src", []>, OpSize;
816 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
817 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
818 "idiv{l}\t$src", []>;
819 let mayLoad = 1, mayLoad = 1 in {
820 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
821 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
822 "idiv{b}\t$src", []>;
823 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
824 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
825 "idiv{w}\t$src", []>, OpSize;
826 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
827 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
828 "idiv{l}\t$src", []>;
831 //===----------------------------------------------------------------------===//
832 // Two address Instructions.
834 let isTwoAddress = 1 in {
837 let Uses = [EFLAGS] in {
838 let isCommutable = 1 in {
839 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
840 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
841 "cmovb\t{$src2, $dst|$dst, $src2}",
842 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
843 X86_COND_B, EFLAGS))]>,
845 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
846 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
847 "cmovb\t{$src2, $dst|$dst, $src2}",
848 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
849 X86_COND_B, EFLAGS))]>,
851 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
852 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
853 "cmovae\t{$src2, $dst|$dst, $src2}",
854 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
855 X86_COND_AE, EFLAGS))]>,
857 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
858 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
859 "cmovae\t{$src2, $dst|$dst, $src2}",
860 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
861 X86_COND_AE, EFLAGS))]>,
863 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
864 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
865 "cmove\t{$src2, $dst|$dst, $src2}",
866 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
867 X86_COND_E, EFLAGS))]>,
869 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
870 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
871 "cmove\t{$src2, $dst|$dst, $src2}",
872 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
873 X86_COND_E, EFLAGS))]>,
875 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
876 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
877 "cmovne\t{$src2, $dst|$dst, $src2}",
878 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
879 X86_COND_NE, EFLAGS))]>,
881 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
882 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
883 "cmovne\t{$src2, $dst|$dst, $src2}",
884 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
885 X86_COND_NE, EFLAGS))]>,
887 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
888 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
889 "cmovbe\t{$src2, $dst|$dst, $src2}",
890 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
891 X86_COND_BE, EFLAGS))]>,
893 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
894 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
895 "cmovbe\t{$src2, $dst|$dst, $src2}",
896 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
897 X86_COND_BE, EFLAGS))]>,
899 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
900 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
901 "cmova\t{$src2, $dst|$dst, $src2}",
902 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
903 X86_COND_A, EFLAGS))]>,
905 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
906 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
907 "cmova\t{$src2, $dst|$dst, $src2}",
908 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
909 X86_COND_A, EFLAGS))]>,
911 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
912 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
913 "cmovl\t{$src2, $dst|$dst, $src2}",
914 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
915 X86_COND_L, EFLAGS))]>,
917 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
918 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
919 "cmovl\t{$src2, $dst|$dst, $src2}",
920 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
921 X86_COND_L, EFLAGS))]>,
923 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
924 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
925 "cmovge\t{$src2, $dst|$dst, $src2}",
926 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
927 X86_COND_GE, EFLAGS))]>,
929 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
930 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
931 "cmovge\t{$src2, $dst|$dst, $src2}",
932 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
933 X86_COND_GE, EFLAGS))]>,
935 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
936 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
937 "cmovle\t{$src2, $dst|$dst, $src2}",
938 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
939 X86_COND_LE, EFLAGS))]>,
941 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
942 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
943 "cmovle\t{$src2, $dst|$dst, $src2}",
944 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
945 X86_COND_LE, EFLAGS))]>,
947 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
948 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
949 "cmovg\t{$src2, $dst|$dst, $src2}",
950 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
951 X86_COND_G, EFLAGS))]>,
953 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
954 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
955 "cmovg\t{$src2, $dst|$dst, $src2}",
956 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
957 X86_COND_G, EFLAGS))]>,
959 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
960 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
961 "cmovs\t{$src2, $dst|$dst, $src2}",
962 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
963 X86_COND_S, EFLAGS))]>,
965 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
966 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
967 "cmovs\t{$src2, $dst|$dst, $src2}",
968 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
969 X86_COND_S, EFLAGS))]>,
971 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
972 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
973 "cmovns\t{$src2, $dst|$dst, $src2}",
974 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
975 X86_COND_NS, EFLAGS))]>,
977 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
978 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
979 "cmovns\t{$src2, $dst|$dst, $src2}",
980 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
981 X86_COND_NS, EFLAGS))]>,
983 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
984 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
985 "cmovp\t{$src2, $dst|$dst, $src2}",
986 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
987 X86_COND_P, EFLAGS))]>,
989 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
990 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
991 "cmovp\t{$src2, $dst|$dst, $src2}",
992 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
993 X86_COND_P, EFLAGS))]>,
995 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
996 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
997 "cmovnp\t{$src2, $dst|$dst, $src2}",
998 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
999 X86_COND_NP, EFLAGS))]>,
1001 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
1002 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1003 "cmovnp\t{$src2, $dst|$dst, $src2}",
1004 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1005 X86_COND_NP, EFLAGS))]>,
1007 def CMOVO16rr : I<0x40, MRMSrcReg, // if overflow, GR16 = GR16
1008 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1009 "cmovo\t{$src2, $dst|$dst, $src2}",
1010 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1011 X86_COND_O, EFLAGS))]>,
1013 def CMOVO32rr : I<0x40, MRMSrcReg, // if overflow, GR32 = GR32
1014 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1015 "cmovo\t{$src2, $dst|$dst, $src2}",
1016 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1017 X86_COND_O, EFLAGS))]>,
1019 def CMOVNO16rr : I<0x41, MRMSrcReg, // if !overflow, GR16 = GR16
1020 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1021 "cmovno\t{$src2, $dst|$dst, $src2}",
1022 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
1023 X86_COND_NO, EFLAGS))]>,
1025 def CMOVNO32rr : I<0x41, MRMSrcReg, // if !overflow, GR32 = GR32
1026 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1027 "cmovno\t{$src2, $dst|$dst, $src2}",
1028 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
1029 X86_COND_NO, EFLAGS))]>,
1031 } // isCommutable = 1
1033 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1034 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1035 "cmovb\t{$src2, $dst|$dst, $src2}",
1036 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1037 X86_COND_B, EFLAGS))]>,
1039 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1040 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1041 "cmovb\t{$src2, $dst|$dst, $src2}",
1042 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1043 X86_COND_B, EFLAGS))]>,
1045 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1046 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1047 "cmovae\t{$src2, $dst|$dst, $src2}",
1048 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1049 X86_COND_AE, EFLAGS))]>,
1051 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1052 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1053 "cmovae\t{$src2, $dst|$dst, $src2}",
1054 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1055 X86_COND_AE, EFLAGS))]>,
1057 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1058 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1059 "cmove\t{$src2, $dst|$dst, $src2}",
1060 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1061 X86_COND_E, EFLAGS))]>,
1063 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1064 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1065 "cmove\t{$src2, $dst|$dst, $src2}",
1066 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1067 X86_COND_E, EFLAGS))]>,
1069 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1070 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1071 "cmovne\t{$src2, $dst|$dst, $src2}",
1072 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1073 X86_COND_NE, EFLAGS))]>,
1075 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1076 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1077 "cmovne\t{$src2, $dst|$dst, $src2}",
1078 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1079 X86_COND_NE, EFLAGS))]>,
1081 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1082 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1083 "cmovbe\t{$src2, $dst|$dst, $src2}",
1084 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1085 X86_COND_BE, EFLAGS))]>,
1087 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1088 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1089 "cmovbe\t{$src2, $dst|$dst, $src2}",
1090 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1091 X86_COND_BE, EFLAGS))]>,
1093 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1094 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1095 "cmova\t{$src2, $dst|$dst, $src2}",
1096 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1097 X86_COND_A, EFLAGS))]>,
1099 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1100 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1101 "cmova\t{$src2, $dst|$dst, $src2}",
1102 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1103 X86_COND_A, EFLAGS))]>,
1105 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1106 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1107 "cmovl\t{$src2, $dst|$dst, $src2}",
1108 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1109 X86_COND_L, EFLAGS))]>,
1111 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1112 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1113 "cmovl\t{$src2, $dst|$dst, $src2}",
1114 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1115 X86_COND_L, EFLAGS))]>,
1117 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1118 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1119 "cmovge\t{$src2, $dst|$dst, $src2}",
1120 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1121 X86_COND_GE, EFLAGS))]>,
1123 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1124 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1125 "cmovge\t{$src2, $dst|$dst, $src2}",
1126 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1127 X86_COND_GE, EFLAGS))]>,
1129 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1130 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1131 "cmovle\t{$src2, $dst|$dst, $src2}",
1132 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1133 X86_COND_LE, EFLAGS))]>,
1135 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1136 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1137 "cmovle\t{$src2, $dst|$dst, $src2}",
1138 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1139 X86_COND_LE, EFLAGS))]>,
1141 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1142 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1143 "cmovg\t{$src2, $dst|$dst, $src2}",
1144 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1145 X86_COND_G, EFLAGS))]>,
1147 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1148 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1149 "cmovg\t{$src2, $dst|$dst, $src2}",
1150 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1151 X86_COND_G, EFLAGS))]>,
1153 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1154 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1155 "cmovs\t{$src2, $dst|$dst, $src2}",
1156 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1157 X86_COND_S, EFLAGS))]>,
1159 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1160 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1161 "cmovs\t{$src2, $dst|$dst, $src2}",
1162 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1163 X86_COND_S, EFLAGS))]>,
1165 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1166 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1167 "cmovns\t{$src2, $dst|$dst, $src2}",
1168 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1169 X86_COND_NS, EFLAGS))]>,
1171 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1172 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1173 "cmovns\t{$src2, $dst|$dst, $src2}",
1174 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1175 X86_COND_NS, EFLAGS))]>,
1177 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1178 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1179 "cmovp\t{$src2, $dst|$dst, $src2}",
1180 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1181 X86_COND_P, EFLAGS))]>,
1183 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1184 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1185 "cmovp\t{$src2, $dst|$dst, $src2}",
1186 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1187 X86_COND_P, EFLAGS))]>,
1189 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1190 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1191 "cmovnp\t{$src2, $dst|$dst, $src2}",
1192 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1193 X86_COND_NP, EFLAGS))]>,
1195 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1196 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1197 "cmovnp\t{$src2, $dst|$dst, $src2}",
1198 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1199 X86_COND_NP, EFLAGS))]>,
1201 def CMOVO16rm : I<0x40, MRMSrcMem, // if overflow, GR16 = [mem16]
1202 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1203 "cmovo\t{$src2, $dst|$dst, $src2}",
1204 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1205 X86_COND_O, EFLAGS))]>,
1207 def CMOVO32rm : I<0x40, MRMSrcMem, // if overflow, GR32 = [mem32]
1208 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1209 "cmovo\t{$src2, $dst|$dst, $src2}",
1210 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1211 X86_COND_O, EFLAGS))]>,
1213 def CMOVNO16rm : I<0x41, MRMSrcMem, // if !overflow, GR16 = [mem16]
1214 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1215 "cmovno\t{$src2, $dst|$dst, $src2}",
1216 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1217 X86_COND_NO, EFLAGS))]>,
1219 def CMOVNO32rm : I<0x41, MRMSrcMem, // if !overflow, GR32 = [mem32]
1220 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1221 "cmovno\t{$src2, $dst|$dst, $src2}",
1222 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1223 X86_COND_NO, EFLAGS))]>,
1225 } // Uses = [EFLAGS]
1228 // unary instructions
1229 let CodeSize = 2 in {
1230 let Defs = [EFLAGS] in {
1231 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src), "neg{b}\t$dst",
1232 [(set GR8:$dst, (ineg GR8:$src)),
1233 (implicit EFLAGS)]>;
1234 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src), "neg{w}\t$dst",
1235 [(set GR16:$dst, (ineg GR16:$src)),
1236 (implicit EFLAGS)]>, OpSize;
1237 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src), "neg{l}\t$dst",
1238 [(set GR32:$dst, (ineg GR32:$src)),
1239 (implicit EFLAGS)]>;
1240 let isTwoAddress = 0 in {
1241 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), "neg{b}\t$dst",
1242 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
1243 (implicit EFLAGS)]>;
1244 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), "neg{w}\t$dst",
1245 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
1246 (implicit EFLAGS)]>, OpSize;
1247 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), "neg{l}\t$dst",
1248 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
1249 (implicit EFLAGS)]>;
1251 } // Defs = [EFLAGS]
1253 // Match xor -1 to not. Favors these over a move imm + xor to save code size.
1254 let AddedComplexity = 15 in {
1255 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src), "not{b}\t$dst",
1256 [(set GR8:$dst, (not GR8:$src))]>;
1257 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src), "not{w}\t$dst",
1258 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1259 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src), "not{l}\t$dst",
1260 [(set GR32:$dst, (not GR32:$src))]>;
1262 let isTwoAddress = 0 in {
1263 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), "not{b}\t$dst",
1264 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1265 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), "not{w}\t$dst",
1266 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1267 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), "not{l}\t$dst",
1268 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1272 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1273 let Defs = [EFLAGS] in {
1275 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
1276 [(set GR8:$dst, (add GR8:$src, 1)),
1277 (implicit EFLAGS)]>;
1278 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1279 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "inc{w}\t$dst",
1280 [(set GR16:$dst, (add GR16:$src, 1)),
1281 (implicit EFLAGS)]>,
1282 OpSize, Requires<[In32BitMode]>;
1283 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "inc{l}\t$dst",
1284 [(set GR32:$dst, (add GR32:$src, 1)),
1285 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1287 let isTwoAddress = 0, CodeSize = 2 in {
1288 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1289 [(store (add (loadi8 addr:$dst), 1), addr:$dst),
1290 (implicit EFLAGS)]>;
1291 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1292 [(store (add (loadi16 addr:$dst), 1), addr:$dst),
1293 (implicit EFLAGS)]>,
1294 OpSize, Requires<[In32BitMode]>;
1295 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1296 [(store (add (loadi32 addr:$dst), 1), addr:$dst),
1297 (implicit EFLAGS)]>,
1298 Requires<[In32BitMode]>;
1302 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src), "dec{b}\t$dst",
1303 [(set GR8:$dst, (add GR8:$src, -1)),
1304 (implicit EFLAGS)]>;
1305 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1306 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "dec{w}\t$dst",
1307 [(set GR16:$dst, (add GR16:$src, -1)),
1308 (implicit EFLAGS)]>,
1309 OpSize, Requires<[In32BitMode]>;
1310 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "dec{l}\t$dst",
1311 [(set GR32:$dst, (add GR32:$src, -1)),
1312 (implicit EFLAGS)]>, Requires<[In32BitMode]>;
1315 let isTwoAddress = 0, CodeSize = 2 in {
1316 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1317 [(store (add (loadi8 addr:$dst), -1), addr:$dst),
1318 (implicit EFLAGS)]>;
1319 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1320 [(store (add (loadi16 addr:$dst), -1), addr:$dst),
1321 (implicit EFLAGS)]>,
1322 OpSize, Requires<[In32BitMode]>;
1323 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1324 [(store (add (loadi32 addr:$dst), -1), addr:$dst),
1325 (implicit EFLAGS)]>,
1326 Requires<[In32BitMode]>;
1328 } // Defs = [EFLAGS]
1330 // Logical operators...
1331 let Defs = [EFLAGS] in {
1332 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1333 def AND8rr : I<0x20, MRMDestReg,
1334 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1335 "and{b}\t{$src2, $dst|$dst, $src2}",
1336 [(set GR8:$dst, (and GR8:$src1, GR8:$src2)),
1337 (implicit EFLAGS)]>;
1338 def AND16rr : I<0x21, MRMDestReg,
1339 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1340 "and{w}\t{$src2, $dst|$dst, $src2}",
1341 [(set GR16:$dst, (and GR16:$src1, GR16:$src2)),
1342 (implicit EFLAGS)]>, OpSize;
1343 def AND32rr : I<0x21, MRMDestReg,
1344 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1345 "and{l}\t{$src2, $dst|$dst, $src2}",
1346 [(set GR32:$dst, (and GR32:$src1, GR32:$src2)),
1347 (implicit EFLAGS)]>;
1350 def AND8rm : I<0x22, MRMSrcMem,
1351 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1352 "and{b}\t{$src2, $dst|$dst, $src2}",
1353 [(set GR8:$dst, (and GR8:$src1, (load addr:$src2))),
1354 (implicit EFLAGS)]>;
1355 def AND16rm : I<0x23, MRMSrcMem,
1356 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1357 "and{w}\t{$src2, $dst|$dst, $src2}",
1358 [(set GR16:$dst, (and GR16:$src1, (load addr:$src2))),
1359 (implicit EFLAGS)]>, OpSize;
1360 def AND32rm : I<0x23, MRMSrcMem,
1361 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1362 "and{l}\t{$src2, $dst|$dst, $src2}",
1363 [(set GR32:$dst, (and GR32:$src1, (load addr:$src2))),
1364 (implicit EFLAGS)]>;
1366 def AND8ri : Ii8<0x80, MRM4r,
1367 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1368 "and{b}\t{$src2, $dst|$dst, $src2}",
1369 [(set GR8:$dst, (and GR8:$src1, imm:$src2)),
1370 (implicit EFLAGS)]>;
1371 def AND16ri : Ii16<0x81, MRM4r,
1372 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1373 "and{w}\t{$src2, $dst|$dst, $src2}",
1374 [(set GR16:$dst, (and GR16:$src1, imm:$src2)),
1375 (implicit EFLAGS)]>, OpSize;
1376 def AND32ri : Ii32<0x81, MRM4r,
1377 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1378 "and{l}\t{$src2, $dst|$dst, $src2}",
1379 [(set GR32:$dst, (and GR32:$src1, imm:$src2)),
1380 (implicit EFLAGS)]>;
1381 def AND16ri8 : Ii8<0x83, MRM4r,
1382 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1383 "and{w}\t{$src2, $dst|$dst, $src2}",
1384 [(set GR16:$dst, (and GR16:$src1, i16immSExt8:$src2)),
1385 (implicit EFLAGS)]>,
1387 def AND32ri8 : Ii8<0x83, MRM4r,
1388 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1389 "and{l}\t{$src2, $dst|$dst, $src2}",
1390 [(set GR32:$dst, (and GR32:$src1, i32immSExt8:$src2)),
1391 (implicit EFLAGS)]>;
1393 let isTwoAddress = 0 in {
1394 def AND8mr : I<0x20, MRMDestMem,
1395 (outs), (ins i8mem :$dst, GR8 :$src),
1396 "and{b}\t{$src, $dst|$dst, $src}",
1397 [(store (and (load addr:$dst), GR8:$src), addr:$dst),
1398 (implicit EFLAGS)]>;
1399 def AND16mr : I<0x21, MRMDestMem,
1400 (outs), (ins i16mem:$dst, GR16:$src),
1401 "and{w}\t{$src, $dst|$dst, $src}",
1402 [(store (and (load addr:$dst), GR16:$src), addr:$dst),
1403 (implicit EFLAGS)]>,
1405 def AND32mr : I<0x21, MRMDestMem,
1406 (outs), (ins i32mem:$dst, GR32:$src),
1407 "and{l}\t{$src, $dst|$dst, $src}",
1408 [(store (and (load addr:$dst), GR32:$src), addr:$dst),
1409 (implicit EFLAGS)]>;
1410 def AND8mi : Ii8<0x80, MRM4m,
1411 (outs), (ins i8mem :$dst, i8imm :$src),
1412 "and{b}\t{$src, $dst|$dst, $src}",
1413 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst),
1414 (implicit EFLAGS)]>;
1415 def AND16mi : Ii16<0x81, MRM4m,
1416 (outs), (ins i16mem:$dst, i16imm:$src),
1417 "and{w}\t{$src, $dst|$dst, $src}",
1418 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst),
1419 (implicit EFLAGS)]>,
1421 def AND32mi : Ii32<0x81, MRM4m,
1422 (outs), (ins i32mem:$dst, i32imm:$src),
1423 "and{l}\t{$src, $dst|$dst, $src}",
1424 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst),
1425 (implicit EFLAGS)]>;
1426 def AND16mi8 : Ii8<0x83, MRM4m,
1427 (outs), (ins i16mem:$dst, i16i8imm :$src),
1428 "and{w}\t{$src, $dst|$dst, $src}",
1429 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst),
1430 (implicit EFLAGS)]>,
1432 def AND32mi8 : Ii8<0x83, MRM4m,
1433 (outs), (ins i32mem:$dst, i32i8imm :$src),
1434 "and{l}\t{$src, $dst|$dst, $src}",
1435 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst),
1436 (implicit EFLAGS)]>;
1440 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1441 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1442 "or{b}\t{$src2, $dst|$dst, $src2}",
1443 [(set GR8:$dst, (or GR8:$src1, GR8:$src2)),
1444 (implicit EFLAGS)]>;
1445 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1446 "or{w}\t{$src2, $dst|$dst, $src2}",
1447 [(set GR16:$dst, (or GR16:$src1, GR16:$src2)),
1448 (implicit EFLAGS)]>, OpSize;
1449 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1450 "or{l}\t{$src2, $dst|$dst, $src2}",
1451 [(set GR32:$dst, (or GR32:$src1, GR32:$src2)),
1452 (implicit EFLAGS)]>;
1454 def OR8rm : I<0x0A, MRMSrcMem , (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1455 "or{b}\t{$src2, $dst|$dst, $src2}",
1456 [(set GR8:$dst, (or GR8:$src1, (load addr:$src2))),
1457 (implicit EFLAGS)]>;
1458 def OR16rm : I<0x0B, MRMSrcMem , (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1459 "or{w}\t{$src2, $dst|$dst, $src2}",
1460 [(set GR16:$dst, (or GR16:$src1, (load addr:$src2))),
1461 (implicit EFLAGS)]>, OpSize;
1462 def OR32rm : I<0x0B, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1463 "or{l}\t{$src2, $dst|$dst, $src2}",
1464 [(set GR32:$dst, (or GR32:$src1, (load addr:$src2))),
1465 (implicit EFLAGS)]>;
1467 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1468 "or{b}\t{$src2, $dst|$dst, $src2}",
1469 [(set GR8:$dst, (or GR8:$src1, imm:$src2)),
1470 (implicit EFLAGS)]>;
1471 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1472 "or{w}\t{$src2, $dst|$dst, $src2}",
1473 [(set GR16:$dst, (or GR16:$src1, imm:$src2)),
1474 (implicit EFLAGS)]>, OpSize;
1475 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1476 "or{l}\t{$src2, $dst|$dst, $src2}",
1477 [(set GR32:$dst, (or GR32:$src1, imm:$src2)),
1478 (implicit EFLAGS)]>;
1480 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1481 "or{w}\t{$src2, $dst|$dst, $src2}",
1482 [(set GR16:$dst, (or GR16:$src1, i16immSExt8:$src2)),
1483 (implicit EFLAGS)]>, OpSize;
1484 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1485 "or{l}\t{$src2, $dst|$dst, $src2}",
1486 [(set GR32:$dst, (or GR32:$src1, i32immSExt8:$src2)),
1487 (implicit EFLAGS)]>;
1488 let isTwoAddress = 0 in {
1489 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1490 "or{b}\t{$src, $dst|$dst, $src}",
1491 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
1492 (implicit EFLAGS)]>;
1493 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1494 "or{w}\t{$src, $dst|$dst, $src}",
1495 [(store (or (load addr:$dst), GR16:$src), addr:$dst),
1496 (implicit EFLAGS)]>, OpSize;
1497 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1498 "or{l}\t{$src, $dst|$dst, $src}",
1499 [(store (or (load addr:$dst), GR32:$src), addr:$dst),
1500 (implicit EFLAGS)]>;
1501 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1502 "or{b}\t{$src, $dst|$dst, $src}",
1503 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst),
1504 (implicit EFLAGS)]>;
1505 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
1506 "or{w}\t{$src, $dst|$dst, $src}",
1507 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst),
1508 (implicit EFLAGS)]>,
1510 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
1511 "or{l}\t{$src, $dst|$dst, $src}",
1512 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst),
1513 (implicit EFLAGS)]>;
1514 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
1515 "or{w}\t{$src, $dst|$dst, $src}",
1516 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst),
1517 (implicit EFLAGS)]>,
1519 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
1520 "or{l}\t{$src, $dst|$dst, $src}",
1521 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst),
1522 (implicit EFLAGS)]>;
1523 } // isTwoAddress = 0
1526 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1527 def XOR8rr : I<0x30, MRMDestReg,
1528 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1529 "xor{b}\t{$src2, $dst|$dst, $src2}",
1530 [(set GR8:$dst, (xor GR8:$src1, GR8:$src2)),
1531 (implicit EFLAGS)]>;
1532 def XOR16rr : I<0x31, MRMDestReg,
1533 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1534 "xor{w}\t{$src2, $dst|$dst, $src2}",
1535 [(set GR16:$dst, (xor GR16:$src1, GR16:$src2)),
1536 (implicit EFLAGS)]>, OpSize;
1537 def XOR32rr : I<0x31, MRMDestReg,
1538 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1539 "xor{l}\t{$src2, $dst|$dst, $src2}",
1540 [(set GR32:$dst, (xor GR32:$src1, GR32:$src2)),
1541 (implicit EFLAGS)]>;
1542 } // isCommutable = 1
1544 def XOR8rm : I<0x32, MRMSrcMem ,
1545 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
1546 "xor{b}\t{$src2, $dst|$dst, $src2}",
1547 [(set GR8:$dst, (xor GR8:$src1, (load addr:$src2))),
1548 (implicit EFLAGS)]>;
1549 def XOR16rm : I<0x33, MRMSrcMem ,
1550 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1551 "xor{w}\t{$src2, $dst|$dst, $src2}",
1552 [(set GR16:$dst, (xor GR16:$src1, (load addr:$src2))),
1553 (implicit EFLAGS)]>,
1555 def XOR32rm : I<0x33, MRMSrcMem ,
1556 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1557 "xor{l}\t{$src2, $dst|$dst, $src2}",
1558 [(set GR32:$dst, (xor GR32:$src1, (load addr:$src2))),
1559 (implicit EFLAGS)]>;
1561 def XOR8ri : Ii8<0x80, MRM6r,
1562 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1563 "xor{b}\t{$src2, $dst|$dst, $src2}",
1564 [(set GR8:$dst, (xor GR8:$src1, imm:$src2)),
1565 (implicit EFLAGS)]>;
1566 def XOR16ri : Ii16<0x81, MRM6r,
1567 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1568 "xor{w}\t{$src2, $dst|$dst, $src2}",
1569 [(set GR16:$dst, (xor GR16:$src1, imm:$src2)),
1570 (implicit EFLAGS)]>, OpSize;
1571 def XOR32ri : Ii32<0x81, MRM6r,
1572 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1573 "xor{l}\t{$src2, $dst|$dst, $src2}",
1574 [(set GR32:$dst, (xor GR32:$src1, imm:$src2)),
1575 (implicit EFLAGS)]>;
1576 def XOR16ri8 : Ii8<0x83, MRM6r,
1577 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1578 "xor{w}\t{$src2, $dst|$dst, $src2}",
1579 [(set GR16:$dst, (xor GR16:$src1, i16immSExt8:$src2)),
1580 (implicit EFLAGS)]>,
1582 def XOR32ri8 : Ii8<0x83, MRM6r,
1583 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1584 "xor{l}\t{$src2, $dst|$dst, $src2}",
1585 [(set GR32:$dst, (xor GR32:$src1, i32immSExt8:$src2)),
1586 (implicit EFLAGS)]>;
1588 let isTwoAddress = 0 in {
1589 def XOR8mr : I<0x30, MRMDestMem,
1590 (outs), (ins i8mem :$dst, GR8 :$src),
1591 "xor{b}\t{$src, $dst|$dst, $src}",
1592 [(store (xor (load addr:$dst), GR8:$src), addr:$dst),
1593 (implicit EFLAGS)]>;
1594 def XOR16mr : I<0x31, MRMDestMem,
1595 (outs), (ins i16mem:$dst, GR16:$src),
1596 "xor{w}\t{$src, $dst|$dst, $src}",
1597 [(store (xor (load addr:$dst), GR16:$src), addr:$dst),
1598 (implicit EFLAGS)]>,
1600 def XOR32mr : I<0x31, MRMDestMem,
1601 (outs), (ins i32mem:$dst, GR32:$src),
1602 "xor{l}\t{$src, $dst|$dst, $src}",
1603 [(store (xor (load addr:$dst), GR32:$src), addr:$dst),
1604 (implicit EFLAGS)]>;
1605 def XOR8mi : Ii8<0x80, MRM6m,
1606 (outs), (ins i8mem :$dst, i8imm :$src),
1607 "xor{b}\t{$src, $dst|$dst, $src}",
1608 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst),
1609 (implicit EFLAGS)]>;
1610 def XOR16mi : Ii16<0x81, MRM6m,
1611 (outs), (ins i16mem:$dst, i16imm:$src),
1612 "xor{w}\t{$src, $dst|$dst, $src}",
1613 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst),
1614 (implicit EFLAGS)]>,
1616 def XOR32mi : Ii32<0x81, MRM6m,
1617 (outs), (ins i32mem:$dst, i32imm:$src),
1618 "xor{l}\t{$src, $dst|$dst, $src}",
1619 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst),
1620 (implicit EFLAGS)]>;
1621 def XOR16mi8 : Ii8<0x83, MRM6m,
1622 (outs), (ins i16mem:$dst, i16i8imm :$src),
1623 "xor{w}\t{$src, $dst|$dst, $src}",
1624 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst),
1625 (implicit EFLAGS)]>,
1627 def XOR32mi8 : Ii8<0x83, MRM6m,
1628 (outs), (ins i32mem:$dst, i32i8imm :$src),
1629 "xor{l}\t{$src, $dst|$dst, $src}",
1630 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst),
1631 (implicit EFLAGS)]>;
1632 } // isTwoAddress = 0
1633 } // Defs = [EFLAGS]
1635 // Shift instructions
1636 let Defs = [EFLAGS] in {
1637 let Uses = [CL] in {
1638 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src),
1639 "shl{b}\t{%cl, $dst|$dst, %CL}",
1640 [(set GR8:$dst, (shl GR8:$src, CL))]>;
1641 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src),
1642 "shl{w}\t{%cl, $dst|$dst, %CL}",
1643 [(set GR16:$dst, (shl GR16:$src, CL))]>, OpSize;
1644 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src),
1645 "shl{l}\t{%cl, $dst|$dst, %CL}",
1646 [(set GR32:$dst, (shl GR32:$src, CL))]>;
1649 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1650 "shl{b}\t{$src2, $dst|$dst, $src2}",
1651 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
1652 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1653 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1654 "shl{w}\t{$src2, $dst|$dst, $src2}",
1655 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1656 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1657 "shl{l}\t{$src2, $dst|$dst, $src2}",
1658 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
1659 // NOTE: We don't use shifts of a register by one, because 'add reg,reg' is
1661 } // isConvertibleToThreeAddress = 1
1663 let isTwoAddress = 0 in {
1664 let Uses = [CL] in {
1665 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
1666 "shl{b}\t{%cl, $dst|$dst, %CL}",
1667 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
1668 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
1669 "shl{w}\t{%cl, $dst|$dst, %CL}",
1670 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1671 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
1672 "shl{l}\t{%cl, $dst|$dst, %CL}",
1673 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
1675 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
1676 "shl{b}\t{$src, $dst|$dst, $src}",
1677 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1678 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
1679 "shl{w}\t{$src, $dst|$dst, $src}",
1680 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1682 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
1683 "shl{l}\t{$src, $dst|$dst, $src}",
1684 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1687 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
1689 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1690 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
1692 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1694 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
1696 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1699 let Uses = [CL] in {
1700 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src),
1701 "shr{b}\t{%cl, $dst|$dst, %CL}",
1702 [(set GR8:$dst, (srl GR8:$src, CL))]>;
1703 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src),
1704 "shr{w}\t{%cl, $dst|$dst, %CL}",
1705 [(set GR16:$dst, (srl GR16:$src, CL))]>, OpSize;
1706 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src),
1707 "shr{l}\t{%cl, $dst|$dst, %CL}",
1708 [(set GR32:$dst, (srl GR32:$src, CL))]>;
1711 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1712 "shr{b}\t{$src2, $dst|$dst, $src2}",
1713 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
1714 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1715 "shr{w}\t{$src2, $dst|$dst, $src2}",
1716 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1717 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1718 "shr{l}\t{$src2, $dst|$dst, $src2}",
1719 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
1722 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
1724 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
1725 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
1727 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
1728 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
1730 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
1732 let isTwoAddress = 0 in {
1733 let Uses = [CL] in {
1734 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
1735 "shr{b}\t{%cl, $dst|$dst, %CL}",
1736 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
1737 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
1738 "shr{w}\t{%cl, $dst|$dst, %CL}",
1739 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
1741 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
1742 "shr{l}\t{%cl, $dst|$dst, %CL}",
1743 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
1745 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
1746 "shr{b}\t{$src, $dst|$dst, $src}",
1747 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1748 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
1749 "shr{w}\t{$src, $dst|$dst, $src}",
1750 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1752 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
1753 "shr{l}\t{$src, $dst|$dst, $src}",
1754 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1757 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
1759 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1760 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
1762 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
1763 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
1765 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1768 let Uses = [CL] in {
1769 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src),
1770 "sar{b}\t{%cl, $dst|$dst, %CL}",
1771 [(set GR8:$dst, (sra GR8:$src, CL))]>;
1772 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src),
1773 "sar{w}\t{%cl, $dst|$dst, %CL}",
1774 [(set GR16:$dst, (sra GR16:$src, CL))]>, OpSize;
1775 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src),
1776 "sar{l}\t{%cl, $dst|$dst, %CL}",
1777 [(set GR32:$dst, (sra GR32:$src, CL))]>;
1780 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1781 "sar{b}\t{$src2, $dst|$dst, $src2}",
1782 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
1783 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1784 "sar{w}\t{$src2, $dst|$dst, $src2}",
1785 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
1787 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1788 "sar{l}\t{$src2, $dst|$dst, $src2}",
1789 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
1792 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
1794 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
1795 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
1797 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
1798 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
1800 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
1802 let isTwoAddress = 0 in {
1803 let Uses = [CL] in {
1804 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
1805 "sar{b}\t{%cl, $dst|$dst, %CL}",
1806 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
1807 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
1808 "sar{w}\t{%cl, $dst|$dst, %CL}",
1809 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1810 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
1811 "sar{l}\t{%cl, $dst|$dst, %CL}",
1812 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
1814 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
1815 "sar{b}\t{$src, $dst|$dst, $src}",
1816 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1817 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
1818 "sar{w}\t{$src, $dst|$dst, $src}",
1819 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1821 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
1822 "sar{l}\t{$src, $dst|$dst, $src}",
1823 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1826 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
1828 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1829 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
1831 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1833 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
1835 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1838 // Rotate instructions
1839 // FIXME: provide shorter instructions when imm8 == 1
1840 let Uses = [CL] in {
1841 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),
1842 "rol{b}\t{%cl, $dst|$dst, %CL}",
1843 [(set GR8:$dst, (rotl GR8:$src, CL))]>;
1844 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src),
1845 "rol{w}\t{%cl, $dst|$dst, %CL}",
1846 [(set GR16:$dst, (rotl GR16:$src, CL))]>, OpSize;
1847 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src),
1848 "rol{l}\t{%cl, $dst|$dst, %CL}",
1849 [(set GR32:$dst, (rotl GR32:$src, CL))]>;
1852 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1853 "rol{b}\t{$src2, $dst|$dst, $src2}",
1854 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
1855 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1856 "rol{w}\t{$src2, $dst|$dst, $src2}",
1857 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1858 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1859 "rol{l}\t{$src2, $dst|$dst, $src2}",
1860 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
1863 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
1865 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
1866 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
1868 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
1869 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
1871 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
1873 let isTwoAddress = 0 in {
1874 let Uses = [CL] in {
1875 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
1876 "rol{b}\t{%cl, $dst|$dst, %CL}",
1877 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
1878 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
1879 "rol{w}\t{%cl, $dst|$dst, %CL}",
1880 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1881 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
1882 "rol{l}\t{%cl, $dst|$dst, %CL}",
1883 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
1885 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
1886 "rol{b}\t{$src, $dst|$dst, $src}",
1887 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1888 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
1889 "rol{w}\t{$src, $dst|$dst, $src}",
1890 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1892 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
1893 "rol{l}\t{$src, $dst|$dst, $src}",
1894 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1897 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
1899 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1900 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
1902 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1904 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
1906 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1909 let Uses = [CL] in {
1910 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),
1911 "ror{b}\t{%cl, $dst|$dst, %CL}",
1912 [(set GR8:$dst, (rotr GR8:$src, CL))]>;
1913 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src),
1914 "ror{w}\t{%cl, $dst|$dst, %CL}",
1915 [(set GR16:$dst, (rotr GR16:$src, CL))]>, OpSize;
1916 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src),
1917 "ror{l}\t{%cl, $dst|$dst, %CL}",
1918 [(set GR32:$dst, (rotr GR32:$src, CL))]>;
1921 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1922 "ror{b}\t{$src2, $dst|$dst, $src2}",
1923 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
1924 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1925 "ror{w}\t{$src2, $dst|$dst, $src2}",
1926 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1927 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1928 "ror{l}\t{$src2, $dst|$dst, $src2}",
1929 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
1932 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
1934 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
1935 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
1937 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
1938 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
1940 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
1942 let isTwoAddress = 0 in {
1943 let Uses = [CL] in {
1944 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
1945 "ror{b}\t{%cl, $dst|$dst, %CL}",
1946 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
1947 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
1948 "ror{w}\t{%cl, $dst|$dst, %CL}",
1949 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1950 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
1951 "ror{l}\t{%cl, $dst|$dst, %CL}",
1952 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
1954 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1955 "ror{b}\t{$src, $dst|$dst, $src}",
1956 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1957 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
1958 "ror{w}\t{$src, $dst|$dst, $src}",
1959 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1961 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
1962 "ror{l}\t{$src, $dst|$dst, $src}",
1963 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1966 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
1968 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1969 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
1971 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1973 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
1975 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1980 // Double shift instructions (generalizations of rotate)
1981 let Uses = [CL] in {
1982 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1983 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1984 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
1985 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1986 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1987 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
1988 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1989 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1990 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
1992 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1993 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1994 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
1998 let isCommutable = 1 in { // These instructions commute to each other.
1999 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
2000 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2001 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2002 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
2005 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
2006 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
2007 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2008 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
2011 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
2012 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2013 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2014 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
2017 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
2018 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
2019 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2020 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
2025 let isTwoAddress = 0 in {
2026 let Uses = [CL] in {
2027 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2028 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2029 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
2031 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2032 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2033 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
2036 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
2037 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2038 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2039 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
2040 (i8 imm:$src3)), addr:$dst)]>,
2042 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
2043 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
2044 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2045 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
2046 (i8 imm:$src3)), addr:$dst)]>,
2049 let Uses = [CL] in {
2050 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2051 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2052 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
2053 addr:$dst)]>, TB, OpSize;
2054 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2055 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
2056 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
2057 addr:$dst)]>, TB, OpSize;
2059 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
2060 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2061 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2062 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
2063 (i8 imm:$src3)), addr:$dst)]>,
2065 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
2066 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
2067 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
2068 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
2069 (i8 imm:$src3)), addr:$dst)]>,
2072 } // Defs = [EFLAGS]
2076 let Defs = [EFLAGS] in {
2077 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
2078 // Register-Register Addition
2079 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
2080 (ins GR8 :$src1, GR8 :$src2),
2081 "add{b}\t{$src2, $dst|$dst, $src2}",
2082 [(set GR8:$dst, (add GR8:$src1, GR8:$src2)),
2083 (implicit EFLAGS)]>;
2085 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2086 // Register-Register Addition
2087 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
2088 (ins GR16:$src1, GR16:$src2),
2089 "add{w}\t{$src2, $dst|$dst, $src2}",
2090 [(set GR16:$dst, (add GR16:$src1, GR16:$src2)),
2091 (implicit EFLAGS)]>, OpSize;
2092 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
2093 (ins GR32:$src1, GR32:$src2),
2094 "add{l}\t{$src2, $dst|$dst, $src2}",
2095 [(set GR32:$dst, (add GR32:$src1, GR32:$src2)),
2096 (implicit EFLAGS)]>;
2097 } // end isConvertibleToThreeAddress
2098 } // end isCommutable
2100 // Register-Memory Addition
2101 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
2102 (ins GR8 :$src1, i8mem :$src2),
2103 "add{b}\t{$src2, $dst|$dst, $src2}",
2104 [(set GR8:$dst, (add GR8:$src1, (load addr:$src2))),
2105 (implicit EFLAGS)]>;
2106 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
2107 (ins GR16:$src1, i16mem:$src2),
2108 "add{w}\t{$src2, $dst|$dst, $src2}",
2109 [(set GR16:$dst, (add GR16:$src1, (load addr:$src2))),
2110 (implicit EFLAGS)]>, OpSize;
2111 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
2112 (ins GR32:$src1, i32mem:$src2),
2113 "add{l}\t{$src2, $dst|$dst, $src2}",
2114 [(set GR32:$dst, (add GR32:$src1, (load addr:$src2))),
2115 (implicit EFLAGS)]>;
2117 // Register-Integer Addition
2118 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
2119 "add{b}\t{$src2, $dst|$dst, $src2}",
2120 [(set GR8:$dst, (add GR8:$src1, imm:$src2)),
2121 (implicit EFLAGS)]>;
2123 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
2124 // Register-Integer Addition
2125 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
2126 (ins GR16:$src1, i16imm:$src2),
2127 "add{w}\t{$src2, $dst|$dst, $src2}",
2128 [(set GR16:$dst, (add GR16:$src1, imm:$src2)),
2129 (implicit EFLAGS)]>, OpSize;
2130 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2131 (ins GR32:$src1, i32imm:$src2),
2132 "add{l}\t{$src2, $dst|$dst, $src2}",
2133 [(set GR32:$dst, (add GR32:$src1, imm:$src2)),
2134 (implicit EFLAGS)]>;
2135 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2136 (ins GR16:$src1, i16i8imm:$src2),
2137 "add{w}\t{$src2, $dst|$dst, $src2}",
2138 [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2)),
2139 (implicit EFLAGS)]>, OpSize;
2140 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2141 (ins GR32:$src1, i32i8imm:$src2),
2142 "add{l}\t{$src2, $dst|$dst, $src2}",
2143 [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2)),
2144 (implicit EFLAGS)]>;
2147 let isTwoAddress = 0 in {
2148 // Memory-Register Addition
2149 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2150 "add{b}\t{$src2, $dst|$dst, $src2}",
2151 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2152 (implicit EFLAGS)]>;
2153 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2154 "add{w}\t{$src2, $dst|$dst, $src2}",
2155 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2156 (implicit EFLAGS)]>, OpSize;
2157 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2158 "add{l}\t{$src2, $dst|$dst, $src2}",
2159 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2160 (implicit EFLAGS)]>;
2161 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2162 "add{b}\t{$src2, $dst|$dst, $src2}",
2163 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2164 (implicit EFLAGS)]>;
2165 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2166 "add{w}\t{$src2, $dst|$dst, $src2}",
2167 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2168 (implicit EFLAGS)]>, OpSize;
2169 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2170 "add{l}\t{$src2, $dst|$dst, $src2}",
2171 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2172 (implicit EFLAGS)]>;
2173 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2174 "add{w}\t{$src2, $dst|$dst, $src2}",
2175 [(store (add (load addr:$dst), i16immSExt8:$src2),
2177 (implicit EFLAGS)]>, OpSize;
2178 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2179 "add{l}\t{$src2, $dst|$dst, $src2}",
2180 [(store (add (load addr:$dst), i32immSExt8:$src2),
2182 (implicit EFLAGS)]>;
2185 let Uses = [EFLAGS] in {
2186 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2187 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2188 "adc{l}\t{$src2, $dst|$dst, $src2}",
2189 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2191 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2192 "adc{l}\t{$src2, $dst|$dst, $src2}",
2193 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2194 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2195 "adc{l}\t{$src2, $dst|$dst, $src2}",
2196 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2197 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2198 "adc{l}\t{$src2, $dst|$dst, $src2}",
2199 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2201 let isTwoAddress = 0 in {
2202 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2203 "adc{l}\t{$src2, $dst|$dst, $src2}",
2204 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2205 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2206 "adc{l}\t{$src2, $dst|$dst, $src2}",
2207 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2208 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2209 "adc{l}\t{$src2, $dst|$dst, $src2}",
2210 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2212 } // Uses = [EFLAGS]
2214 // Register-Register Subtraction
2215 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2216 "sub{b}\t{$src2, $dst|$dst, $src2}",
2217 [(set GR8:$dst, (sub GR8:$src1, GR8:$src2)),
2218 (implicit EFLAGS)]>;
2219 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2220 "sub{w}\t{$src2, $dst|$dst, $src2}",
2221 [(set GR16:$dst, (sub GR16:$src1, GR16:$src2)),
2222 (implicit EFLAGS)]>, OpSize;
2223 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2224 "sub{l}\t{$src2, $dst|$dst, $src2}",
2225 [(set GR32:$dst, (sub GR32:$src1, GR32:$src2)),
2226 (implicit EFLAGS)]>;
2228 // Register-Memory Subtraction
2229 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
2230 (ins GR8 :$src1, i8mem :$src2),
2231 "sub{b}\t{$src2, $dst|$dst, $src2}",
2232 [(set GR8:$dst, (sub GR8:$src1, (load addr:$src2))),
2233 (implicit EFLAGS)]>;
2234 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
2235 (ins GR16:$src1, i16mem:$src2),
2236 "sub{w}\t{$src2, $dst|$dst, $src2}",
2237 [(set GR16:$dst, (sub GR16:$src1, (load addr:$src2))),
2238 (implicit EFLAGS)]>, OpSize;
2239 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
2240 (ins GR32:$src1, i32mem:$src2),
2241 "sub{l}\t{$src2, $dst|$dst, $src2}",
2242 [(set GR32:$dst, (sub GR32:$src1, (load addr:$src2))),
2243 (implicit EFLAGS)]>;
2245 // Register-Integer Subtraction
2246 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
2247 (ins GR8:$src1, i8imm:$src2),
2248 "sub{b}\t{$src2, $dst|$dst, $src2}",
2249 [(set GR8:$dst, (sub GR8:$src1, imm:$src2)),
2250 (implicit EFLAGS)]>;
2251 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
2252 (ins GR16:$src1, i16imm:$src2),
2253 "sub{w}\t{$src2, $dst|$dst, $src2}",
2254 [(set GR16:$dst, (sub GR16:$src1, imm:$src2)),
2255 (implicit EFLAGS)]>, OpSize;
2256 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
2257 (ins GR32:$src1, i32imm:$src2),
2258 "sub{l}\t{$src2, $dst|$dst, $src2}",
2259 [(set GR32:$dst, (sub GR32:$src1, imm:$src2)),
2260 (implicit EFLAGS)]>;
2261 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
2262 (ins GR16:$src1, i16i8imm:$src2),
2263 "sub{w}\t{$src2, $dst|$dst, $src2}",
2264 [(set GR16:$dst, (sub GR16:$src1, i16immSExt8:$src2)),
2265 (implicit EFLAGS)]>, OpSize;
2266 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
2267 (ins GR32:$src1, i32i8imm:$src2),
2268 "sub{l}\t{$src2, $dst|$dst, $src2}",
2269 [(set GR32:$dst, (sub GR32:$src1, i32immSExt8:$src2)),
2270 (implicit EFLAGS)]>;
2272 let isTwoAddress = 0 in {
2273 // Memory-Register Subtraction
2274 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
2275 "sub{b}\t{$src2, $dst|$dst, $src2}",
2276 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
2277 (implicit EFLAGS)]>;
2278 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2279 "sub{w}\t{$src2, $dst|$dst, $src2}",
2280 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
2281 (implicit EFLAGS)]>, OpSize;
2282 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2283 "sub{l}\t{$src2, $dst|$dst, $src2}",
2284 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
2285 (implicit EFLAGS)]>;
2287 // Memory-Integer Subtraction
2288 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
2289 "sub{b}\t{$src2, $dst|$dst, $src2}",
2290 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
2291 (implicit EFLAGS)]>;
2292 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
2293 "sub{w}\t{$src2, $dst|$dst, $src2}",
2294 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
2295 (implicit EFLAGS)]>, OpSize;
2296 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
2297 "sub{l}\t{$src2, $dst|$dst, $src2}",
2298 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
2299 (implicit EFLAGS)]>;
2300 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2301 "sub{w}\t{$src2, $dst|$dst, $src2}",
2302 [(store (sub (load addr:$dst), i16immSExt8:$src2),
2304 (implicit EFLAGS)]>, OpSize;
2305 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2306 "sub{l}\t{$src2, $dst|$dst, $src2}",
2307 [(store (sub (load addr:$dst), i32immSExt8:$src2),
2309 (implicit EFLAGS)]>;
2312 let Uses = [EFLAGS] in {
2313 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2314 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2315 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
2317 let isTwoAddress = 0 in {
2318 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2319 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2320 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
2321 def SBB8mi : Ii32<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
2322 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2323 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2324 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
2325 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2326 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2327 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2328 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2329 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2331 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2332 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2333 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
2334 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2335 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2336 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
2337 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2338 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2339 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
2340 } // Uses = [EFLAGS]
2341 } // Defs = [EFLAGS]
2343 let Defs = [EFLAGS] in {
2344 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
2345 // Register-Register Signed Integer Multiply
2346 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2347 "imul{w}\t{$src2, $dst|$dst, $src2}",
2348 [(set GR16:$dst, (mul GR16:$src1, GR16:$src2)),
2349 (implicit EFLAGS)]>, TB, OpSize;
2350 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2351 "imul{l}\t{$src2, $dst|$dst, $src2}",
2352 [(set GR32:$dst, (mul GR32:$src1, GR32:$src2)),
2353 (implicit EFLAGS)]>, TB;
2356 // Register-Memory Signed Integer Multiply
2357 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
2358 (ins GR16:$src1, i16mem:$src2),
2359 "imul{w}\t{$src2, $dst|$dst, $src2}",
2360 [(set GR16:$dst, (mul GR16:$src1, (load addr:$src2))),
2361 (implicit EFLAGS)]>, TB, OpSize;
2362 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2363 "imul{l}\t{$src2, $dst|$dst, $src2}",
2364 [(set GR32:$dst, (mul GR32:$src1, (load addr:$src2))),
2365 (implicit EFLAGS)]>, TB;
2366 } // Defs = [EFLAGS]
2367 } // end Two Address instructions
2369 // Suprisingly enough, these are not two address instructions!
2370 let Defs = [EFLAGS] in {
2371 // Register-Integer Signed Integer Multiply
2372 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
2373 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2374 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2375 [(set GR16:$dst, (mul GR16:$src1, imm:$src2)),
2376 (implicit EFLAGS)]>, OpSize;
2377 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
2378 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2379 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2380 [(set GR32:$dst, (mul GR32:$src1, imm:$src2)),
2381 (implicit EFLAGS)]>;
2382 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
2383 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2384 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2385 [(set GR16:$dst, (mul GR16:$src1, i16immSExt8:$src2)),
2386 (implicit EFLAGS)]>, OpSize;
2387 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
2388 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2389 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2390 [(set GR32:$dst, (mul GR32:$src1, i32immSExt8:$src2)),
2391 (implicit EFLAGS)]>;
2393 // Memory-Integer Signed Integer Multiply
2394 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
2395 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
2396 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2397 [(set GR16:$dst, (mul (load addr:$src1), imm:$src2)),
2398 (implicit EFLAGS)]>, OpSize;
2399 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
2400 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
2401 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2402 [(set GR32:$dst, (mul (load addr:$src1), imm:$src2)),
2403 (implicit EFLAGS)]>;
2404 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
2405 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
2406 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2407 [(set GR16:$dst, (mul (load addr:$src1),
2408 i16immSExt8:$src2)),
2409 (implicit EFLAGS)]>, OpSize;
2410 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
2411 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
2412 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2413 [(set GR32:$dst, (mul (load addr:$src1),
2414 i32immSExt8:$src2)),
2415 (implicit EFLAGS)]>;
2416 } // Defs = [EFLAGS]
2418 //===----------------------------------------------------------------------===//
2419 // Test instructions are just like AND, except they don't generate a result.
2421 let Defs = [EFLAGS] in {
2422 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
2423 def TEST8rr : I<0x84, MRMDestReg, (outs), (ins GR8:$src1, GR8:$src2),
2424 "test{b}\t{$src2, $src1|$src1, $src2}",
2425 [(X86cmp (and_su GR8:$src1, GR8:$src2), 0),
2426 (implicit EFLAGS)]>;
2427 def TEST16rr : I<0x85, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2428 "test{w}\t{$src2, $src1|$src1, $src2}",
2429 [(X86cmp (and_su GR16:$src1, GR16:$src2), 0),
2430 (implicit EFLAGS)]>,
2432 def TEST32rr : I<0x85, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2433 "test{l}\t{$src2, $src1|$src1, $src2}",
2434 [(X86cmp (and_su GR32:$src1, GR32:$src2), 0),
2435 (implicit EFLAGS)]>;
2438 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
2439 "test{b}\t{$src2, $src1|$src1, $src2}",
2440 [(X86cmp (and GR8:$src1, (loadi8 addr:$src2)), 0),
2441 (implicit EFLAGS)]>;
2442 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
2443 "test{w}\t{$src2, $src1|$src1, $src2}",
2444 [(X86cmp (and GR16:$src1, (loadi16 addr:$src2)), 0),
2445 (implicit EFLAGS)]>, OpSize;
2446 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
2447 "test{l}\t{$src2, $src1|$src1, $src2}",
2448 [(X86cmp (and GR32:$src1, (loadi32 addr:$src2)), 0),
2449 (implicit EFLAGS)]>;
2451 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
2452 (outs), (ins GR8:$src1, i8imm:$src2),
2453 "test{b}\t{$src2, $src1|$src1, $src2}",
2454 [(X86cmp (and_su GR8:$src1, imm:$src2), 0),
2455 (implicit EFLAGS)]>;
2456 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
2457 (outs), (ins GR16:$src1, i16imm:$src2),
2458 "test{w}\t{$src2, $src1|$src1, $src2}",
2459 [(X86cmp (and_su GR16:$src1, imm:$src2), 0),
2460 (implicit EFLAGS)]>, OpSize;
2461 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
2462 (outs), (ins GR32:$src1, i32imm:$src2),
2463 "test{l}\t{$src2, $src1|$src1, $src2}",
2464 [(X86cmp (and_su GR32:$src1, imm:$src2), 0),
2465 (implicit EFLAGS)]>;
2467 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
2468 (outs), (ins i8mem:$src1, i8imm:$src2),
2469 "test{b}\t{$src2, $src1|$src1, $src2}",
2470 [(X86cmp (and (loadi8 addr:$src1), imm:$src2), 0),
2471 (implicit EFLAGS)]>;
2472 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
2473 (outs), (ins i16mem:$src1, i16imm:$src2),
2474 "test{w}\t{$src2, $src1|$src1, $src2}",
2475 [(X86cmp (and (loadi16 addr:$src1), imm:$src2), 0),
2476 (implicit EFLAGS)]>, OpSize;
2477 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2478 (outs), (ins i32mem:$src1, i32imm:$src2),
2479 "test{l}\t{$src2, $src1|$src1, $src2}",
2480 [(X86cmp (and (loadi32 addr:$src1), imm:$src2), 0),
2481 (implicit EFLAGS)]>;
2482 } // Defs = [EFLAGS]
2485 // Condition code ops, incl. set if equal/not equal/...
2486 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
2487 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
2488 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
2489 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
2491 let Uses = [EFLAGS] in {
2492 def SETEr : I<0x94, MRM0r,
2493 (outs GR8 :$dst), (ins),
2495 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
2497 def SETEm : I<0x94, MRM0m,
2498 (outs), (ins i8mem:$dst),
2500 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
2503 def SETNEr : I<0x95, MRM0r,
2504 (outs GR8 :$dst), (ins),
2506 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
2508 def SETNEm : I<0x95, MRM0m,
2509 (outs), (ins i8mem:$dst),
2511 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
2514 def SETLr : I<0x9C, MRM0r,
2515 (outs GR8 :$dst), (ins),
2517 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
2518 TB; // GR8 = < signed
2519 def SETLm : I<0x9C, MRM0m,
2520 (outs), (ins i8mem:$dst),
2522 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
2523 TB; // [mem8] = < signed
2525 def SETGEr : I<0x9D, MRM0r,
2526 (outs GR8 :$dst), (ins),
2528 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
2529 TB; // GR8 = >= signed
2530 def SETGEm : I<0x9D, MRM0m,
2531 (outs), (ins i8mem:$dst),
2533 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
2534 TB; // [mem8] = >= signed
2536 def SETLEr : I<0x9E, MRM0r,
2537 (outs GR8 :$dst), (ins),
2539 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
2540 TB; // GR8 = <= signed
2541 def SETLEm : I<0x9E, MRM0m,
2542 (outs), (ins i8mem:$dst),
2544 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
2545 TB; // [mem8] = <= signed
2547 def SETGr : I<0x9F, MRM0r,
2548 (outs GR8 :$dst), (ins),
2550 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
2551 TB; // GR8 = > signed
2552 def SETGm : I<0x9F, MRM0m,
2553 (outs), (ins i8mem:$dst),
2555 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
2556 TB; // [mem8] = > signed
2558 def SETBr : I<0x92, MRM0r,
2559 (outs GR8 :$dst), (ins),
2561 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
2562 TB; // GR8 = < unsign
2563 def SETBm : I<0x92, MRM0m,
2564 (outs), (ins i8mem:$dst),
2566 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
2567 TB; // [mem8] = < unsign
2569 def SETAEr : I<0x93, MRM0r,
2570 (outs GR8 :$dst), (ins),
2572 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
2573 TB; // GR8 = >= unsign
2574 def SETAEm : I<0x93, MRM0m,
2575 (outs), (ins i8mem:$dst),
2577 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
2578 TB; // [mem8] = >= unsign
2580 def SETBEr : I<0x96, MRM0r,
2581 (outs GR8 :$dst), (ins),
2583 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
2584 TB; // GR8 = <= unsign
2585 def SETBEm : I<0x96, MRM0m,
2586 (outs), (ins i8mem:$dst),
2588 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
2589 TB; // [mem8] = <= unsign
2591 def SETAr : I<0x97, MRM0r,
2592 (outs GR8 :$dst), (ins),
2594 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
2595 TB; // GR8 = > signed
2596 def SETAm : I<0x97, MRM0m,
2597 (outs), (ins i8mem:$dst),
2599 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
2600 TB; // [mem8] = > signed
2602 def SETSr : I<0x98, MRM0r,
2603 (outs GR8 :$dst), (ins),
2605 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
2606 TB; // GR8 = <sign bit>
2607 def SETSm : I<0x98, MRM0m,
2608 (outs), (ins i8mem:$dst),
2610 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
2611 TB; // [mem8] = <sign bit>
2612 def SETNSr : I<0x99, MRM0r,
2613 (outs GR8 :$dst), (ins),
2615 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
2616 TB; // GR8 = !<sign bit>
2617 def SETNSm : I<0x99, MRM0m,
2618 (outs), (ins i8mem:$dst),
2620 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
2621 TB; // [mem8] = !<sign bit>
2623 def SETPr : I<0x9A, MRM0r,
2624 (outs GR8 :$dst), (ins),
2626 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
2628 def SETPm : I<0x9A, MRM0m,
2629 (outs), (ins i8mem:$dst),
2631 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
2632 TB; // [mem8] = parity
2633 def SETNPr : I<0x9B, MRM0r,
2634 (outs GR8 :$dst), (ins),
2636 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
2637 TB; // GR8 = not parity
2638 def SETNPm : I<0x9B, MRM0m,
2639 (outs), (ins i8mem:$dst),
2641 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
2642 TB; // [mem8] = not parity
2644 def SETOr : I<0x90, MRM0r,
2645 (outs GR8 :$dst), (ins),
2647 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
2648 TB; // GR8 = overflow
2649 def SETOm : I<0x90, MRM0m,
2650 (outs), (ins i8mem:$dst),
2652 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
2653 TB; // [mem8] = overflow
2654 def SETNOr : I<0x91, MRM0r,
2655 (outs GR8 :$dst), (ins),
2657 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
2658 TB; // GR8 = not overflow
2659 def SETNOm : I<0x91, MRM0m,
2660 (outs), (ins i8mem:$dst),
2662 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
2663 TB; // [mem8] = not overflow
2664 } // Uses = [EFLAGS]
2667 // Integer comparisons
2668 let Defs = [EFLAGS] in {
2669 def CMP8rr : I<0x38, MRMDestReg,
2670 (outs), (ins GR8 :$src1, GR8 :$src2),
2671 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2672 [(X86cmp GR8:$src1, GR8:$src2), (implicit EFLAGS)]>;
2673 def CMP16rr : I<0x39, MRMDestReg,
2674 (outs), (ins GR16:$src1, GR16:$src2),
2675 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2676 [(X86cmp GR16:$src1, GR16:$src2), (implicit EFLAGS)]>, OpSize;
2677 def CMP32rr : I<0x39, MRMDestReg,
2678 (outs), (ins GR32:$src1, GR32:$src2),
2679 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2680 [(X86cmp GR32:$src1, GR32:$src2), (implicit EFLAGS)]>;
2681 def CMP8mr : I<0x38, MRMDestMem,
2682 (outs), (ins i8mem :$src1, GR8 :$src2),
2683 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2684 [(X86cmp (loadi8 addr:$src1), GR8:$src2),
2685 (implicit EFLAGS)]>;
2686 def CMP16mr : I<0x39, MRMDestMem,
2687 (outs), (ins i16mem:$src1, GR16:$src2),
2688 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2689 [(X86cmp (loadi16 addr:$src1), GR16:$src2),
2690 (implicit EFLAGS)]>, OpSize;
2691 def CMP32mr : I<0x39, MRMDestMem,
2692 (outs), (ins i32mem:$src1, GR32:$src2),
2693 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2694 [(X86cmp (loadi32 addr:$src1), GR32:$src2),
2695 (implicit EFLAGS)]>;
2696 def CMP8rm : I<0x3A, MRMSrcMem,
2697 (outs), (ins GR8 :$src1, i8mem :$src2),
2698 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2699 [(X86cmp GR8:$src1, (loadi8 addr:$src2)),
2700 (implicit EFLAGS)]>;
2701 def CMP16rm : I<0x3B, MRMSrcMem,
2702 (outs), (ins GR16:$src1, i16mem:$src2),
2703 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2704 [(X86cmp GR16:$src1, (loadi16 addr:$src2)),
2705 (implicit EFLAGS)]>, OpSize;
2706 def CMP32rm : I<0x3B, MRMSrcMem,
2707 (outs), (ins GR32:$src1, i32mem:$src2),
2708 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2709 [(X86cmp GR32:$src1, (loadi32 addr:$src2)),
2710 (implicit EFLAGS)]>;
2711 def CMP8ri : Ii8<0x80, MRM7r,
2712 (outs), (ins GR8:$src1, i8imm:$src2),
2713 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2714 [(X86cmp GR8:$src1, imm:$src2), (implicit EFLAGS)]>;
2715 def CMP16ri : Ii16<0x81, MRM7r,
2716 (outs), (ins GR16:$src1, i16imm:$src2),
2717 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2718 [(X86cmp GR16:$src1, imm:$src2),
2719 (implicit EFLAGS)]>, OpSize;
2720 def CMP32ri : Ii32<0x81, MRM7r,
2721 (outs), (ins GR32:$src1, i32imm:$src2),
2722 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2723 [(X86cmp GR32:$src1, imm:$src2), (implicit EFLAGS)]>;
2724 def CMP8mi : Ii8 <0x80, MRM7m,
2725 (outs), (ins i8mem :$src1, i8imm :$src2),
2726 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2727 [(X86cmp (loadi8 addr:$src1), imm:$src2),
2728 (implicit EFLAGS)]>;
2729 def CMP16mi : Ii16<0x81, MRM7m,
2730 (outs), (ins i16mem:$src1, i16imm:$src2),
2731 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2732 [(X86cmp (loadi16 addr:$src1), imm:$src2),
2733 (implicit EFLAGS)]>, OpSize;
2734 def CMP32mi : Ii32<0x81, MRM7m,
2735 (outs), (ins i32mem:$src1, i32imm:$src2),
2736 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2737 [(X86cmp (loadi32 addr:$src1), imm:$src2),
2738 (implicit EFLAGS)]>;
2739 def CMP16ri8 : Ii8<0x83, MRM7r,
2740 (outs), (ins GR16:$src1, i16i8imm:$src2),
2741 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2742 [(X86cmp GR16:$src1, i16immSExt8:$src2),
2743 (implicit EFLAGS)]>, OpSize;
2744 def CMP16mi8 : Ii8<0x83, MRM7m,
2745 (outs), (ins i16mem:$src1, i16i8imm:$src2),
2746 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2747 [(X86cmp (loadi16 addr:$src1), i16immSExt8:$src2),
2748 (implicit EFLAGS)]>, OpSize;
2749 def CMP32mi8 : Ii8<0x83, MRM7m,
2750 (outs), (ins i32mem:$src1, i32i8imm:$src2),
2751 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2752 [(X86cmp (loadi32 addr:$src1), i32immSExt8:$src2),
2753 (implicit EFLAGS)]>;
2754 def CMP32ri8 : Ii8<0x83, MRM7r,
2755 (outs), (ins GR32:$src1, i32i8imm:$src2),
2756 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2757 [(X86cmp GR32:$src1, i32immSExt8:$src2),
2758 (implicit EFLAGS)]>;
2759 } // Defs = [EFLAGS]
2762 // TODO: BTC, BTR, and BTS
2763 let Defs = [EFLAGS] in {
2764 def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2765 "bt{w}\t{$src2, $src1|$src1, $src2}",
2766 [(X86bt GR16:$src1, GR16:$src2),
2767 (implicit EFLAGS)]>, OpSize, TB;
2768 def BT32rr : I<0xA3, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2769 "bt{l}\t{$src2, $src1|$src1, $src2}",
2770 [(X86bt GR32:$src1, GR32:$src2),
2771 (implicit EFLAGS)]>, TB;
2773 // Unlike with the register+register form, the memory+register form of the
2774 // bt instruction does not ignore the high bits of the index. From ISel's
2775 // perspective, this is pretty bizarre. Disable these instructions for now.
2776 //def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
2777 // "bt{w}\t{$src2, $src1|$src1, $src2}",
2778 // [(X86bt (loadi16 addr:$src1), GR16:$src2),
2779 // (implicit EFLAGS)]>, OpSize, TB, Requires<[FastBTMem]>;
2780 //def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
2781 // "bt{l}\t{$src2, $src1|$src1, $src2}",
2782 // [(X86bt (loadi32 addr:$src1), GR32:$src2),
2783 // (implicit EFLAGS)]>, TB, Requires<[FastBTMem]>;
2785 def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2),
2786 "bt{w}\t{$src2, $src1|$src1, $src2}",
2787 [(X86bt GR16:$src1, i16immSExt8:$src2),
2788 (implicit EFLAGS)]>, OpSize, TB;
2789 def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2),
2790 "bt{l}\t{$src2, $src1|$src1, $src2}",
2791 [(X86bt GR32:$src1, i32immSExt8:$src2),
2792 (implicit EFLAGS)]>, TB;
2793 // Note that these instructions don't need FastBTMem because that
2794 // only applies when the other operand is in a register. When it's
2795 // an immediate, bt is still fast.
2796 def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2),
2797 "bt{w}\t{$src2, $src1|$src1, $src2}",
2798 [(X86bt (loadi16 addr:$src1), i16immSExt8:$src2),
2799 (implicit EFLAGS)]>, OpSize, TB;
2800 def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2),
2801 "bt{l}\t{$src2, $src1|$src1, $src2}",
2802 [(X86bt (loadi32 addr:$src1), i32immSExt8:$src2),
2803 (implicit EFLAGS)]>, TB;
2804 } // Defs = [EFLAGS]
2806 // Sign/Zero extenders
2807 // Use movsbl intead of movsbw; we don't care about the high 16 bits
2808 // of the register here. This has a smaller encoding and avoids a
2809 // partial-register update.
2810 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
2811 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2812 [(set GR16:$dst, (sext GR8:$src))]>, TB;
2813 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
2814 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2815 [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
2816 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
2817 "movs{bl|x}\t{$src, $dst|$dst, $src}",
2818 [(set GR32:$dst, (sext GR8:$src))]>, TB;
2819 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
2820 "movs{bl|x}\t{$src, $dst|$dst, $src}",
2821 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
2822 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
2823 "movs{wl|x}\t{$src, $dst|$dst, $src}",
2824 [(set GR32:$dst, (sext GR16:$src))]>, TB;
2825 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
2826 "movs{wl|x}\t{$src, $dst|$dst, $src}",
2827 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
2829 // Use movzbl intead of movzbw; we don't care about the high 16 bits
2830 // of the register here. This has a smaller encoding and avoids a
2831 // partial-register update.
2832 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
2833 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2834 [(set GR16:$dst, (zext GR8:$src))]>, TB;
2835 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
2836 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2837 [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
2838 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
2839 "movz{bl|x}\t{$src, $dst|$dst, $src}",
2840 [(set GR32:$dst, (zext GR8:$src))]>, TB;
2841 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
2842 "movz{bl|x}\t{$src, $dst|$dst, $src}",
2843 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
2844 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
2845 "movz{wl|x}\t{$src, $dst|$dst, $src}",
2846 [(set GR32:$dst, (zext GR16:$src))]>, TB;
2847 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
2848 "movz{wl|x}\t{$src, $dst|$dst, $src}",
2849 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
2851 let neverHasSideEffects = 1 in {
2852 let Defs = [AX], Uses = [AL] in
2853 def CBW : I<0x98, RawFrm, (outs), (ins),
2854 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
2855 let Defs = [EAX], Uses = [AX] in
2856 def CWDE : I<0x98, RawFrm, (outs), (ins),
2857 "{cwtl|cwde}", []>; // EAX = signext(AX)
2859 let Defs = [AX,DX], Uses = [AX] in
2860 def CWD : I<0x99, RawFrm, (outs), (ins),
2861 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
2862 let Defs = [EAX,EDX], Uses = [EAX] in
2863 def CDQ : I<0x99, RawFrm, (outs), (ins),
2864 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
2867 //===----------------------------------------------------------------------===//
2868 // Alias Instructions
2869 //===----------------------------------------------------------------------===//
2871 // Alias instructions that map movr0 to xor.
2872 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
2873 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1 in {
2874 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins),
2875 "xor{b}\t$dst, $dst",
2876 [(set GR8:$dst, 0)]>;
2877 // Use xorl instead of xorw since we don't care about the high 16 bits,
2878 // it's smaller, and it avoids a partial-register update.
2879 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
2880 "xor{l}\t${dst:subreg32}, ${dst:subreg32}",
2881 [(set GR16:$dst, 0)]>;
2882 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins),
2883 "xor{l}\t$dst, $dst",
2884 [(set GR32:$dst, 0)]>;
2887 // Basic operations on GR16 / GR32 subclasses GR16_ and GR32_ which contains only
2888 // those registers that have GR8 sub-registers (i.e. AX - DX, EAX - EDX).
2889 let neverHasSideEffects = 1, isAsCheapAsAMove = 1 in {
2890 def MOV16to16_ : I<0x89, MRMDestReg, (outs GR16_:$dst), (ins GR16:$src),
2891 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
2892 def MOV32to32_ : I<0x89, MRMDestReg, (outs GR32_:$dst), (ins GR32:$src),
2893 "mov{l}\t{$src, $dst|$dst, $src}", []>;
2895 def MOV16_rr : I<0x89, MRMDestReg, (outs GR16_:$dst), (ins GR16_:$src),
2896 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
2897 def MOV32_rr : I<0x89, MRMDestReg, (outs GR32_:$dst), (ins GR32_:$src),
2898 "mov{l}\t{$src, $dst|$dst, $src}", []>;
2899 } // neverHasSideEffects
2901 let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in {
2902 def MOV16_rm : I<0x8B, MRMSrcMem, (outs GR16_:$dst), (ins i16mem:$src),
2903 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
2904 def MOV32_rm : I<0x8B, MRMSrcMem, (outs GR32_:$dst), (ins i32mem:$src),
2905 "mov{l}\t{$src, $dst|$dst, $src}", []>;
2907 let mayStore = 1, neverHasSideEffects = 1 in {
2908 def MOV16_mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16_:$src),
2909 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
2910 def MOV32_mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32_:$src),
2911 "mov{l}\t{$src, $dst|$dst, $src}", []>;
2914 //===----------------------------------------------------------------------===//
2915 // Thread Local Storage Instructions
2919 def TLS_addr32 : I<0, Pseudo, (outs GR32:$dst), (ins i32imm:$sym),
2920 "leal\t${sym:mem}(,%ebx,1), $dst",
2921 [(set GR32:$dst, (X86tlsaddr tglobaltlsaddr:$sym))]>;
2923 let AddedComplexity = 10 in
2924 def TLS_gs_rr : I<0, Pseudo, (outs GR32:$dst), (ins GR32:$src),
2925 "movl\t%gs:($src), $dst",
2926 [(set GR32:$dst, (load (add X86TLStp, GR32:$src)))]>;
2928 let AddedComplexity = 15 in
2929 def TLS_gs_ri : I<0x8B, Pseudo, (outs GR32:$dst), (ins i32imm:$src),
2930 "movl\t%gs:${src:mem}, $dst",
2932 (load (add X86TLStp, (X86Wrapper tglobaltlsaddr:$src))))]>,
2935 def TLS_tp : I<0x8B, Pseudo, (outs GR32:$dst), (ins),
2936 "movl\t%gs:0, $dst",
2937 [(set GR32:$dst, X86TLStp)]>, SegGS;
2939 let AddedComplexity = 5 in
2940 def GS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
2941 "movl\t%gs:$src, $dst",
2942 [(set GR32:$dst, (gsload addr:$src))]>, SegGS;
2944 //===----------------------------------------------------------------------===//
2945 // DWARF Pseudo Instructions
2948 def DWARF_LOC : I<0, Pseudo, (outs),
2949 (ins i32imm:$line, i32imm:$col, i32imm:$file),
2950 ".loc\t${file:debug} ${line:debug} ${col:debug}",
2951 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
2954 //===----------------------------------------------------------------------===//
2955 // EH Pseudo Instructions
2957 let isTerminator = 1, isReturn = 1, isBarrier = 1,
2959 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
2960 "ret\t#eh_return, addr: $addr",
2961 [(X86ehret GR32:$addr)]>;
2965 //===----------------------------------------------------------------------===//
2969 // Atomic swap. These are just normal xchg instructions. But since a memory
2970 // operand is referenced, the atomicity is ensured.
2971 let Constraints = "$val = $dst" in {
2972 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
2973 "xchg{l}\t{$val, $ptr|$ptr, $val}",
2974 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
2975 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
2976 "xchg{w}\t{$val, $ptr|$ptr, $val}",
2977 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
2979 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
2980 "xchg{b}\t{$val, $ptr|$ptr, $val}",
2981 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
2984 // Atomic compare and swap.
2985 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
2986 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
2987 "lock\n\tcmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
2988 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
2990 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
2991 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i32mem:$ptr),
2992 "lock\n\tcmpxchg8b\t$ptr",
2993 [(X86cas8 addr:$ptr)]>, TB, LOCK;
2996 let Defs = [AX, EFLAGS], Uses = [AX] in {
2997 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
2998 "lock\n\tcmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
2999 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
3001 let Defs = [AL, EFLAGS], Uses = [AL] in {
3002 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
3003 "lock\n\tcmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
3004 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
3007 // Atomic exchange and add
3008 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
3009 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3010 "lock\n\txadd{l}\t{$val, $ptr|$ptr, $val}",
3011 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
3013 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3014 "lock\n\txadd{w}\t{$val, $ptr|$ptr, $val}",
3015 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
3017 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
3018 "lock\n\txadd{b}\t{$val, $ptr|$ptr, $val}",
3019 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
3023 // Atomic exchange, and, or, xor
3024 let Constraints = "$val = $dst", Defs = [EFLAGS],
3025 usesCustomDAGSchedInserter = 1 in {
3026 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3027 "#ATOMAND32 PSEUDO!",
3028 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
3029 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3030 "#ATOMOR32 PSEUDO!",
3031 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
3032 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3033 "#ATOMXOR32 PSEUDO!",
3034 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
3035 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3036 "#ATOMNAND32 PSEUDO!",
3037 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
3038 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
3039 "#ATOMMIN32 PSEUDO!",
3040 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
3041 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3042 "#ATOMMAX32 PSEUDO!",
3043 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
3044 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3045 "#ATOMUMIN32 PSEUDO!",
3046 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
3047 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
3048 "#ATOMUMAX32 PSEUDO!",
3049 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
3051 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3052 "#ATOMAND16 PSEUDO!",
3053 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
3054 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3055 "#ATOMOR16 PSEUDO!",
3056 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
3057 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3058 "#ATOMXOR16 PSEUDO!",
3059 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
3060 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3061 "#ATOMNAND16 PSEUDO!",
3062 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
3063 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
3064 "#ATOMMIN16 PSEUDO!",
3065 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
3066 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3067 "#ATOMMAX16 PSEUDO!",
3068 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
3069 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3070 "#ATOMUMIN16 PSEUDO!",
3071 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
3072 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
3073 "#ATOMUMAX16 PSEUDO!",
3074 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
3076 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3077 "#ATOMAND8 PSEUDO!",
3078 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
3079 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3081 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
3082 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3083 "#ATOMXOR8 PSEUDO!",
3084 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
3085 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
3086 "#ATOMNAND8 PSEUDO!",
3087 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
3090 let Constraints = "$val1 = $dst1, $val2 = $dst2",
3091 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
3092 Uses = [EAX, EBX, ECX, EDX],
3093 mayLoad = 1, mayStore = 1,
3094 usesCustomDAGSchedInserter = 1 in {
3095 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3096 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3097 "#ATOMAND6432 PSEUDO!", []>;
3098 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3099 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3100 "#ATOMOR6432 PSEUDO!", []>;
3101 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3102 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3103 "#ATOMXOR6432 PSEUDO!", []>;
3104 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3105 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3106 "#ATOMNAND6432 PSEUDO!", []>;
3107 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3108 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3109 "#ATOMADD6432 PSEUDO!", []>;
3110 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3111 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3112 "#ATOMSUB6432 PSEUDO!", []>;
3113 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
3114 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
3115 "#ATOMSWAP6432 PSEUDO!", []>;
3118 //===----------------------------------------------------------------------===//
3119 // Non-Instruction Patterns
3120 //===----------------------------------------------------------------------===//
3122 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
3123 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
3124 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
3125 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
3126 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
3127 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
3129 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
3130 (ADD32ri GR32:$src1, tconstpool:$src2)>;
3131 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
3132 (ADD32ri GR32:$src1, tjumptable:$src2)>;
3133 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
3134 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
3135 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
3136 (ADD32ri GR32:$src1, texternalsym:$src2)>;
3138 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
3139 (MOV32mi addr:$dst, tglobaladdr:$src)>;
3140 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
3141 (MOV32mi addr:$dst, texternalsym:$src)>;
3145 def : Pat<(X86tailcall GR32:$dst),
3148 def : Pat<(X86tailcall (i32 tglobaladdr:$dst)),
3150 def : Pat<(X86tailcall (i32 texternalsym:$dst)),
3153 def : Pat<(X86tcret GR32:$dst, imm:$off),
3154 (TCRETURNri GR32:$dst, imm:$off)>;
3156 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
3157 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3159 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
3160 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3162 def : Pat<(X86call (i32 tglobaladdr:$dst)),
3163 (CALLpcrel32 tglobaladdr:$dst)>;
3164 def : Pat<(X86call (i32 texternalsym:$dst)),
3165 (CALLpcrel32 texternalsym:$dst)>;
3167 // X86 specific add which produces a flag.
3168 def : Pat<(addc GR32:$src1, GR32:$src2),
3169 (ADD32rr GR32:$src1, GR32:$src2)>;
3170 def : Pat<(addc GR32:$src1, (load addr:$src2)),
3171 (ADD32rm GR32:$src1, addr:$src2)>;
3172 def : Pat<(addc GR32:$src1, imm:$src2),
3173 (ADD32ri GR32:$src1, imm:$src2)>;
3174 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
3175 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
3177 def : Pat<(subc GR32:$src1, GR32:$src2),
3178 (SUB32rr GR32:$src1, GR32:$src2)>;
3179 def : Pat<(subc GR32:$src1, (load addr:$src2)),
3180 (SUB32rm GR32:$src1, addr:$src2)>;
3181 def : Pat<(subc GR32:$src1, imm:$src2),
3182 (SUB32ri GR32:$src1, imm:$src2)>;
3183 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
3184 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
3188 // TEST R,R is smaller than CMP R,0
3189 def : Pat<(parallel (X86cmp GR8:$src1, 0), (implicit EFLAGS)),
3190 (TEST8rr GR8:$src1, GR8:$src1)>;
3191 def : Pat<(parallel (X86cmp GR16:$src1, 0), (implicit EFLAGS)),
3192 (TEST16rr GR16:$src1, GR16:$src1)>;
3193 def : Pat<(parallel (X86cmp GR32:$src1, 0), (implicit EFLAGS)),
3194 (TEST32rr GR32:$src1, GR32:$src1)>;
3196 // Conditional moves with folded loads with operands swapped and conditions
3198 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_B, EFLAGS),
3199 (CMOVAE16rm GR16:$src2, addr:$src1)>;
3200 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_B, EFLAGS),
3201 (CMOVAE32rm GR32:$src2, addr:$src1)>;
3202 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_AE, EFLAGS),
3203 (CMOVB16rm GR16:$src2, addr:$src1)>;
3204 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_AE, EFLAGS),
3205 (CMOVB32rm GR32:$src2, addr:$src1)>;
3206 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_E, EFLAGS),
3207 (CMOVNE16rm GR16:$src2, addr:$src1)>;
3208 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_E, EFLAGS),
3209 (CMOVNE32rm GR32:$src2, addr:$src1)>;
3210 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NE, EFLAGS),
3211 (CMOVE16rm GR16:$src2, addr:$src1)>;
3212 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NE, EFLAGS),
3213 (CMOVE32rm GR32:$src2, addr:$src1)>;
3214 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_BE, EFLAGS),
3215 (CMOVA16rm GR16:$src2, addr:$src1)>;
3216 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_BE, EFLAGS),
3217 (CMOVA32rm GR32:$src2, addr:$src1)>;
3218 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_A, EFLAGS),
3219 (CMOVBE16rm GR16:$src2, addr:$src1)>;
3220 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_A, EFLAGS),
3221 (CMOVBE32rm GR32:$src2, addr:$src1)>;
3222 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_L, EFLAGS),
3223 (CMOVGE16rm GR16:$src2, addr:$src1)>;
3224 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_L, EFLAGS),
3225 (CMOVGE32rm GR32:$src2, addr:$src1)>;
3226 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_GE, EFLAGS),
3227 (CMOVL16rm GR16:$src2, addr:$src1)>;
3228 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_GE, EFLAGS),
3229 (CMOVL32rm GR32:$src2, addr:$src1)>;
3230 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_LE, EFLAGS),
3231 (CMOVG16rm GR16:$src2, addr:$src1)>;
3232 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_LE, EFLAGS),
3233 (CMOVG32rm GR32:$src2, addr:$src1)>;
3234 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_G, EFLAGS),
3235 (CMOVLE16rm GR16:$src2, addr:$src1)>;
3236 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_G, EFLAGS),
3237 (CMOVLE32rm GR32:$src2, addr:$src1)>;
3238 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_P, EFLAGS),
3239 (CMOVNP16rm GR16:$src2, addr:$src1)>;
3240 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_P, EFLAGS),
3241 (CMOVNP32rm GR32:$src2, addr:$src1)>;
3242 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NP, EFLAGS),
3243 (CMOVP16rm GR16:$src2, addr:$src1)>;
3244 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NP, EFLAGS),
3245 (CMOVP32rm GR32:$src2, addr:$src1)>;
3246 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_S, EFLAGS),
3247 (CMOVNS16rm GR16:$src2, addr:$src1)>;
3248 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_S, EFLAGS),
3249 (CMOVNS32rm GR32:$src2, addr:$src1)>;
3250 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NS, EFLAGS),
3251 (CMOVS16rm GR16:$src2, addr:$src1)>;
3252 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NS, EFLAGS),
3253 (CMOVS32rm GR32:$src2, addr:$src1)>;
3254 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_O, EFLAGS),
3255 (CMOVNO16rm GR16:$src2, addr:$src1)>;
3256 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_O, EFLAGS),
3257 (CMOVNO32rm GR32:$src2, addr:$src1)>;
3258 def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, X86_COND_NO, EFLAGS),
3259 (CMOVO16rm GR16:$src2, addr:$src1)>;
3260 def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, X86_COND_NO, EFLAGS),
3261 (CMOVO32rm GR32:$src2, addr:$src1)>;
3263 // zextload bool -> zextload byte
3264 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3265 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
3266 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3268 // extload bool -> extload byte
3269 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3270 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>,
3271 Requires<[In32BitMode]>;
3272 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3273 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>,
3274 Requires<[In32BitMode]>;
3275 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
3276 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
3279 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>,
3280 Requires<[In32BitMode]>;
3281 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>,
3282 Requires<[In32BitMode]>;
3283 def : Pat<(i32 (anyext GR16:$src)),
3284 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR16:$src, x86_subreg_16bit)>;
3286 // (and (i32 load), 255) -> (zextload i8)
3287 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 255))),
3288 (MOVZX32rm8 addr:$src)>;
3289 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 65535))),
3290 (MOVZX32rm16 addr:$src)>;
3292 //===----------------------------------------------------------------------===//
3294 //===----------------------------------------------------------------------===//
3296 // Odd encoding trick: -128 fits into an 8-bit immediate field while
3297 // +128 doesn't, so in this special case use a sub instead of an add.
3298 def : Pat<(add GR16:$src1, 128),
3299 (SUB16ri8 GR16:$src1, -128)>;
3300 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
3301 (SUB16mi8 addr:$dst, -128)>;
3302 def : Pat<(add GR32:$src1, 128),
3303 (SUB32ri8 GR32:$src1, -128)>;
3304 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
3305 (SUB32mi8 addr:$dst, -128)>;
3307 // r & (2^16-1) ==> movz
3308 def : Pat<(and GR32:$src1, 0xffff),
3309 (MOVZX32rr16 (i16 (EXTRACT_SUBREG GR32:$src1, x86_subreg_16bit)))>;
3310 // r & (2^8-1) ==> movz
3311 def : Pat<(and GR32:$src1, 0xff),
3312 (MOVZX32rr8 (i8 (EXTRACT_SUBREG (MOV32to32_ GR32:$src1),
3313 x86_subreg_8bit)))>,
3314 Requires<[In32BitMode]>;
3315 // r & (2^8-1) ==> movz
3316 def : Pat<(and GR16:$src1, 0xff),
3317 (MOVZX16rr8 (i8 (EXTRACT_SUBREG (MOV16to16_ GR16:$src1),
3318 x86_subreg_8bit)))>,
3319 Requires<[In32BitMode]>;
3321 // sext_inreg patterns
3322 def : Pat<(sext_inreg GR32:$src, i16),
3323 (MOVSX32rr16 (i16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit)))>;
3324 def : Pat<(sext_inreg GR32:$src, i8),
3325 (MOVSX32rr8 (i8 (EXTRACT_SUBREG (MOV32to32_ GR32:$src),
3326 x86_subreg_8bit)))>,
3327 Requires<[In32BitMode]>;
3328 def : Pat<(sext_inreg GR16:$src, i8),
3329 (MOVSX16rr8 (i8 (EXTRACT_SUBREG (MOV16to16_ GR16:$src),
3330 x86_subreg_8bit)))>,
3331 Requires<[In32BitMode]>;
3334 def : Pat<(i16 (trunc GR32:$src)),
3335 (i16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
3336 def : Pat<(i8 (trunc GR32:$src)),
3337 (i8 (EXTRACT_SUBREG (MOV32to32_ GR32:$src), x86_subreg_8bit))>,
3338 Requires<[In32BitMode]>;
3339 def : Pat<(i8 (trunc GR16:$src)),
3340 (i8 (EXTRACT_SUBREG (MOV16to16_ GR16:$src), x86_subreg_8bit))>,
3341 Requires<[In32BitMode]>;
3343 // (shl x, 1) ==> (add x, x)
3344 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
3345 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
3346 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
3348 // (shl x (and y, 31)) ==> (shl x, y)
3349 def : Pat<(shl GR8:$src1, (and CL:$amt, 31)),
3350 (SHL8rCL GR8:$src1)>;
3351 def : Pat<(shl GR16:$src1, (and CL:$amt, 31)),
3352 (SHL16rCL GR16:$src1)>;
3353 def : Pat<(shl GR32:$src1, (and CL:$amt, 31)),
3354 (SHL32rCL GR32:$src1)>;
3355 def : Pat<(store (shl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3356 (SHL8mCL addr:$dst)>;
3357 def : Pat<(store (shl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3358 (SHL16mCL addr:$dst)>;
3359 def : Pat<(store (shl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3360 (SHL32mCL addr:$dst)>;
3362 def : Pat<(srl GR8:$src1, (and CL:$amt, 31)),
3363 (SHR8rCL GR8:$src1)>;
3364 def : Pat<(srl GR16:$src1, (and CL:$amt, 31)),
3365 (SHR16rCL GR16:$src1)>;
3366 def : Pat<(srl GR32:$src1, (and CL:$amt, 31)),
3367 (SHR32rCL GR32:$src1)>;
3368 def : Pat<(store (srl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3369 (SHR8mCL addr:$dst)>;
3370 def : Pat<(store (srl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3371 (SHR16mCL addr:$dst)>;
3372 def : Pat<(store (srl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3373 (SHR32mCL addr:$dst)>;
3375 def : Pat<(sra GR8:$src1, (and CL:$amt, 31)),
3376 (SAR8rCL GR8:$src1)>;
3377 def : Pat<(sra GR16:$src1, (and CL:$amt, 31)),
3378 (SAR16rCL GR16:$src1)>;
3379 def : Pat<(sra GR32:$src1, (and CL:$amt, 31)),
3380 (SAR32rCL GR32:$src1)>;
3381 def : Pat<(store (sra (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3382 (SAR8mCL addr:$dst)>;
3383 def : Pat<(store (sra (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3384 (SAR16mCL addr:$dst)>;
3385 def : Pat<(store (sra (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3386 (SAR32mCL addr:$dst)>;
3388 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
3389 def : Pat<(or (srl GR32:$src1, CL:$amt),
3390 (shl GR32:$src2, (sub 32, CL:$amt))),
3391 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3393 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
3394 (shl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3395 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3397 def : Pat<(or (srl GR32:$src1, (i8 (trunc ECX:$amt))),
3398 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3399 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3401 def : Pat<(store (or (srl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3402 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3404 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3406 def : Pat<(shrd GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3407 (SHRD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3409 def : Pat<(store (shrd (loadi32 addr:$dst), (i8 imm:$amt1),
3410 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3411 (SHRD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3413 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
3414 def : Pat<(or (shl GR32:$src1, CL:$amt),
3415 (srl GR32:$src2, (sub 32, CL:$amt))),
3416 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3418 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
3419 (srl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3420 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3422 def : Pat<(or (shl GR32:$src1, (i8 (trunc ECX:$amt))),
3423 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3424 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3426 def : Pat<(store (or (shl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3427 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3429 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3431 def : Pat<(shld GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3432 (SHLD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3434 def : Pat<(store (shld (loadi32 addr:$dst), (i8 imm:$amt1),
3435 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3436 (SHLD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3438 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
3439 def : Pat<(or (srl GR16:$src1, CL:$amt),
3440 (shl GR16:$src2, (sub 16, CL:$amt))),
3441 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3443 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
3444 (shl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3445 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3447 def : Pat<(or (srl GR16:$src1, (i8 (trunc CX:$amt))),
3448 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3449 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3451 def : Pat<(store (or (srl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3452 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3454 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3456 def : Pat<(shrd GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3457 (SHRD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3459 def : Pat<(store (shrd (loadi16 addr:$dst), (i8 imm:$amt1),
3460 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
3461 (SHRD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
3463 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
3464 def : Pat<(or (shl GR16:$src1, CL:$amt),
3465 (srl GR16:$src2, (sub 16, CL:$amt))),
3466 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
3468 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
3469 (srl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3470 (SHLD16mrCL addr:$dst, GR16:$src2)>;
3472 def : Pat<(or (shl GR16:$src1, (i8 (trunc CX:$amt))),
3473 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3474 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
3476 def : Pat<(store (or (shl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3477 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3479 (SHLD16mrCL addr:$dst, GR16:$src2)>;
3481 def : Pat<(shld GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3482 (SHLD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3484 def : Pat<(store (shld (loadi16 addr:$dst), (i8 imm:$amt1),
3485 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
3486 (SHLD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
3488 //===----------------------------------------------------------------------===//
3489 // Overflow Patterns
3490 //===----------------------------------------------------------------------===//
3492 // Register-Register Addition with Overflow
3493 def : Pat<(parallel (X86add_ovf GR8:$src1, GR8:$src2),
3495 (ADD8rr GR8:$src1, GR8:$src2)>;
3497 // Register-Register Addition with Overflow
3498 def : Pat<(parallel (X86add_ovf GR16:$src1, GR16:$src2),
3500 (ADD16rr GR16:$src1, GR16:$src2)>;
3501 def : Pat<(parallel (X86add_ovf GR32:$src1, GR32:$src2),
3503 (ADD32rr GR32:$src1, GR32:$src2)>;
3505 // Register-Memory Addition with Overflow
3506 def : Pat<(parallel (X86add_ovf GR8:$src1, (load addr:$src2)),
3508 (ADD8rm GR8:$src1, addr:$src2)>;
3509 def : Pat<(parallel (X86add_ovf GR16:$src1, (load addr:$src2)),
3511 (ADD16rm GR16:$src1, addr:$src2)>;
3512 def : Pat<(parallel (X86add_ovf GR32:$src1, (load addr:$src2)),
3514 (ADD32rm GR32:$src1, addr:$src2)>;
3516 // Register-Integer Addition with Overflow
3517 def : Pat<(parallel (X86add_ovf GR8:$src1, imm:$src2),
3519 (ADD8ri GR8:$src1, imm:$src2)>;
3521 // Register-Integer Addition with Overflow
3522 def : Pat<(parallel (X86add_ovf GR16:$src1, imm:$src2),
3524 (ADD16ri GR16:$src1, imm:$src2)>;
3525 def : Pat<(parallel (X86add_ovf GR32:$src1, imm:$src2),
3527 (ADD32ri GR32:$src1, imm:$src2)>;
3528 def : Pat<(parallel (X86add_ovf GR16:$src1, i16immSExt8:$src2),
3530 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
3531 def : Pat<(parallel (X86add_ovf GR32:$src1, i32immSExt8:$src2),
3533 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
3535 // Memory-Register Addition with Overflow
3536 def : Pat<(parallel (store (X86add_ovf (load addr:$dst), GR8:$src2),
3539 (ADD8mr addr:$dst, GR8:$src2)>;
3540 def : Pat<(parallel (store (X86add_ovf (load addr:$dst), GR16:$src2),
3543 (ADD16mr addr:$dst, GR16:$src2)>;
3544 def : Pat<(parallel (store (X86add_ovf (load addr:$dst), GR32:$src2),
3547 (ADD32mr addr:$dst, GR32:$src2)>;
3548 def : Pat<(parallel (store (X86add_ovf (loadi8 addr:$dst), imm:$src2),
3551 (ADD8mi addr:$dst, imm:$src2)>;
3552 def : Pat<(parallel (store (X86add_ovf (loadi16 addr:$dst), imm:$src2),
3555 (ADD16mi addr:$dst, imm:$src2)>;
3556 def : Pat<(parallel (store (X86add_ovf (loadi32 addr:$dst), imm:$src2),
3559 (ADD32mi addr:$dst, imm:$src2)>;
3560 def : Pat<(parallel (store (X86add_ovf (load addr:$dst), i16immSExt8:$src2),
3563 (ADD16mi8 addr:$dst, i16immSExt8:$src2)>;
3564 def : Pat<(parallel (store (X86add_ovf (load addr:$dst), i32immSExt8:$src2),
3567 (ADD32mi8 addr:$dst, i32immSExt8:$src2)>;
3569 // Register-Register Subtraction with Overflow
3570 def : Pat<(parallel (X86sub_ovf GR8:$src1, GR8:$src2),
3572 (SUB8rr GR8:$src1, GR8:$src2)>;
3573 def : Pat<(parallel (X86sub_ovf GR16:$src1, GR16:$src2),
3575 (SUB16rr GR16:$src1, GR16:$src2)>;
3576 def : Pat<(parallel (X86sub_ovf GR32:$src1, GR32:$src2),
3578 (SUB32rr GR32:$src1, GR32:$src2)>;
3580 // Register-Memory Subtraction with Overflow
3581 def : Pat<(parallel (X86sub_ovf GR8:$src1, (load addr:$src2)),
3583 (SUB8rm GR8:$src1, addr:$src2)>;
3584 def : Pat<(parallel (X86sub_ovf GR16:$src1, (load addr:$src2)),
3586 (SUB16rm GR16:$src1, addr:$src2)>;
3587 def : Pat<(parallel (X86sub_ovf GR32:$src1, (load addr:$src2)),
3589 (SUB32rm GR32:$src1, addr:$src2)>;
3591 // Register-Integer Subtraction with Overflow
3592 def : Pat<(parallel (X86sub_ovf GR8:$src1, imm:$src2),
3594 (SUB8ri GR8:$src1, imm:$src2)>;
3595 def : Pat<(parallel (X86sub_ovf GR16:$src1, imm:$src2),
3597 (SUB16ri GR16:$src1, imm:$src2)>;
3598 def : Pat<(parallel (X86sub_ovf GR32:$src1, imm:$src2),
3600 (SUB32ri GR32:$src1, imm:$src2)>;
3601 def : Pat<(parallel (X86sub_ovf GR16:$src1, i16immSExt8:$src2),
3603 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
3604 def : Pat<(parallel (X86sub_ovf GR32:$src1, i32immSExt8:$src2),
3606 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
3608 // Memory-Register Subtraction with Overflow
3609 def : Pat<(parallel (store (X86sub_ovf (load addr:$dst), GR8:$src2),
3612 (SUB8mr addr:$dst, GR8:$src2)>;
3613 def : Pat<(parallel (store (X86sub_ovf (load addr:$dst), GR16:$src2),
3616 (SUB16mr addr:$dst, GR16:$src2)>;
3617 def : Pat<(parallel (store (X86sub_ovf (load addr:$dst), GR32:$src2),
3620 (SUB32mr addr:$dst, GR32:$src2)>;
3622 // Memory-Integer Subtraction with Overflow
3623 def : Pat<(parallel (store (X86sub_ovf (loadi8 addr:$dst), imm:$src2),
3626 (SUB8mi addr:$dst, imm:$src2)>;
3627 def : Pat<(parallel (store (X86sub_ovf (loadi16 addr:$dst), imm:$src2),
3630 (SUB16mi addr:$dst, imm:$src2)>;
3631 def : Pat<(parallel (store (X86sub_ovf (loadi32 addr:$dst), imm:$src2),
3634 (SUB32mi addr:$dst, imm:$src2)>;
3635 def : Pat<(parallel (store (X86sub_ovf (load addr:$dst), i16immSExt8:$src2),
3638 (SUB16mi8 addr:$dst, i16immSExt8:$src2)>;
3639 def : Pat<(parallel (store (X86sub_ovf (load addr:$dst), i32immSExt8:$src2),
3642 (SUB32mi8 addr:$dst, i32immSExt8:$src2)>;
3645 // Register-Register Signed Integer Multiply with Overflow
3646 def : Pat<(parallel (X86smul_ovf GR16:$src1, GR16:$src2),
3648 (IMUL16rr GR16:$src1, GR16:$src2)>;
3649 def : Pat<(parallel (X86smul_ovf GR32:$src1, GR32:$src2),
3651 (IMUL32rr GR32:$src1, GR32:$src2)>;
3653 // Register-Memory Signed Integer Multiply with Overflow
3654 def : Pat<(parallel (X86smul_ovf GR16:$src1, (load addr:$src2)),
3656 (IMUL16rm GR16:$src1, addr:$src2)>;
3657 def : Pat<(parallel (X86smul_ovf GR32:$src1, (load addr:$src2)),
3659 (IMUL32rm GR32:$src1, addr:$src2)>;
3661 // Register-Integer Signed Integer Multiply with Overflow
3662 def : Pat<(parallel (X86smul_ovf GR16:$src1, imm:$src2),
3664 (IMUL16rri GR16:$src1, imm:$src2)>;
3665 def : Pat<(parallel (X86smul_ovf GR32:$src1, imm:$src2),
3667 (IMUL32rri GR32:$src1, imm:$src2)>;
3668 def : Pat<(parallel (X86smul_ovf GR16:$src1, i16immSExt8:$src2),
3670 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
3671 def : Pat<(parallel (X86smul_ovf GR32:$src1, i32immSExt8:$src2),
3673 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
3675 // Memory-Integer Signed Integer Multiply with Overflow
3676 def : Pat<(parallel (X86smul_ovf (load addr:$src1), imm:$src2),
3678 (IMUL16rmi addr:$src1, imm:$src2)>;
3679 def : Pat<(parallel (X86smul_ovf (load addr:$src1), imm:$src2),
3681 (IMUL32rmi addr:$src1, imm:$src2)>;
3682 def : Pat<(parallel (X86smul_ovf (load addr:$src1), i16immSExt8:$src2),
3684 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
3685 def : Pat<(parallel (X86smul_ovf (load addr:$src1), i32immSExt8:$src2),
3687 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
3689 // Optimize multiple with overflow by 2.
3690 let AddedComplexity = 2 in {
3691 def : Pat<(parallel (X86smul_ovf GR16:$src1, 2),
3693 (ADD16rr GR16:$src1, GR16:$src1)>;
3695 def : Pat<(parallel (X86smul_ovf GR32:$src1, 2),
3697 (ADD32rr GR32:$src1, GR32:$src1)>;
3700 //===----------------------------------------------------------------------===//
3701 // Floating Point Stack Support
3702 //===----------------------------------------------------------------------===//
3704 include "X86InstrFPStack.td"
3706 //===----------------------------------------------------------------------===//
3708 //===----------------------------------------------------------------------===//
3710 include "X86Instr64bit.td"
3712 //===----------------------------------------------------------------------===//
3713 // XMM Floating point support (requires SSE / SSE2)
3714 //===----------------------------------------------------------------------===//
3716 include "X86InstrSSE.td"
3718 //===----------------------------------------------------------------------===//
3719 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
3720 //===----------------------------------------------------------------------===//
3722 include "X86InstrMMX.td"