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 X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
80 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
82 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
84 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
85 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
87 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86cas8,
88 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
90 def X86AtomAdd64 : SDNode<"X86ISD::ATOMADD64_DAG", SDTX86atomicBinary,
91 [SDNPHasChain, SDNPMayStore,
92 SDNPMayLoad, SDNPMemOperand]>;
93 def X86AtomSub64 : SDNode<"X86ISD::ATOMSUB64_DAG", SDTX86atomicBinary,
94 [SDNPHasChain, SDNPMayStore,
95 SDNPMayLoad, SDNPMemOperand]>;
96 def X86AtomOr64 : SDNode<"X86ISD::ATOMOR64_DAG", SDTX86atomicBinary,
97 [SDNPHasChain, SDNPMayStore,
98 SDNPMayLoad, SDNPMemOperand]>;
99 def X86AtomXor64 : SDNode<"X86ISD::ATOMXOR64_DAG", SDTX86atomicBinary,
100 [SDNPHasChain, SDNPMayStore,
101 SDNPMayLoad, SDNPMemOperand]>;
102 def X86AtomAnd64 : SDNode<"X86ISD::ATOMAND64_DAG", SDTX86atomicBinary,
103 [SDNPHasChain, SDNPMayStore,
104 SDNPMayLoad, SDNPMemOperand]>;
105 def X86AtomNand64 : SDNode<"X86ISD::ATOMNAND64_DAG", SDTX86atomicBinary,
106 [SDNPHasChain, SDNPMayStore,
107 SDNPMayLoad, SDNPMemOperand]>;
108 def X86AtomSwap64 : SDNode<"X86ISD::ATOMSWAP64_DAG", SDTX86atomicBinary,
109 [SDNPHasChain, SDNPMayStore,
110 SDNPMayLoad, SDNPMemOperand]>;
111 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
112 [SDNPHasChain, SDNPOptInFlag]>;
114 def X86callseq_start :
115 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
116 [SDNPHasChain, SDNPOutFlag]>;
118 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
119 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
121 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
122 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
124 def X86tailcall: SDNode<"X86ISD::TAILCALL", SDT_X86Call,
125 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
127 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
128 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore]>;
129 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
130 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
133 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG",SDTX86RdTsc,
134 [SDNPHasChain, SDNPOutFlag, SDNPSideEffect]>;
136 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
137 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
139 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
140 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
141 def X86TLStp : SDNode<"X86ISD::THREAD_POINTER", SDT_X86TLSTP, []>;
143 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
146 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
147 [SDNPHasChain, SDNPOptInFlag]>;
149 def X86add_ovf : SDNode<"X86ISD::ADD", SDTBinaryArithOvf>;
150 def X86sub_ovf : SDNode<"X86ISD::SUB", SDTBinaryArithOvf>;
151 def X86smul_ovf : SDNode<"X86ISD::SMUL", SDTBinaryArithOvf>;
152 def X86umul_ovf : SDNode<"X86ISD::UMUL", SDTUnaryArithOvf>;
154 //===----------------------------------------------------------------------===//
155 // X86 Operand Definitions.
158 // *mem - Operand definitions for the funky X86 addressing mode operands.
160 class X86MemOperand<string printMethod> : Operand<iPTR> {
161 let PrintMethod = printMethod;
162 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc, i32imm);
165 def i8mem : X86MemOperand<"printi8mem">;
166 def i16mem : X86MemOperand<"printi16mem">;
167 def i32mem : X86MemOperand<"printi32mem">;
168 def i64mem : X86MemOperand<"printi64mem">;
169 def i128mem : X86MemOperand<"printi128mem">;
170 def f32mem : X86MemOperand<"printf32mem">;
171 def f64mem : X86MemOperand<"printf64mem">;
172 def f80mem : X86MemOperand<"printf80mem">;
173 def f128mem : X86MemOperand<"printf128mem">;
175 def lea32mem : Operand<i32> {
176 let PrintMethod = "printi32mem";
177 let MIOperandInfo = (ops GR32, i8imm, GR32, i32imm);
180 def SSECC : Operand<i8> {
181 let PrintMethod = "printSSECC";
184 def piclabel: Operand<i32> {
185 let PrintMethod = "printPICLabel";
188 // A couple of more descriptive operand definitions.
189 // 16-bits but only 8 bits are significant.
190 def i16i8imm : Operand<i16>;
191 // 32-bits but only 8 bits are significant.
192 def i32i8imm : Operand<i32>;
194 // Branch targets have OtherVT type.
195 def brtarget : Operand<OtherVT>;
197 //===----------------------------------------------------------------------===//
198 // X86 Complex Pattern Definitions.
201 // Define X86 specific addressing mode.
202 def addr : ComplexPattern<iPTR, 4, "SelectAddr", [], []>;
203 def lea32addr : ComplexPattern<i32, 4, "SelectLEAAddr",
204 [add, mul, shl, or, frameindex], []>;
206 //===----------------------------------------------------------------------===//
207 // X86 Instruction Predicate Definitions.
208 def HasMMX : Predicate<"Subtarget->hasMMX()">;
209 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
210 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
211 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
212 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
213 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
214 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
215 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
216 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
217 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
218 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
219 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
220 def NotSmallCode : Predicate<"TM.getCodeModel() != CodeModel::Small">;
221 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
222 def OptForSpeed : Predicate<"!OptForSize">;
224 //===----------------------------------------------------------------------===//
225 // X86 Instruction Format Definitions.
228 include "X86InstrFormats.td"
230 //===----------------------------------------------------------------------===//
231 // Pattern fragments...
234 // X86 specific condition code. These correspond to CondCode in
235 // X86InstrInfo.h. They must be kept in synch.
236 def X86_COND_A : PatLeaf<(i8 0)>;
237 def X86_COND_AE : PatLeaf<(i8 1)>;
238 def X86_COND_B : PatLeaf<(i8 2)>;
239 def X86_COND_BE : PatLeaf<(i8 3)>;
240 def X86_COND_E : PatLeaf<(i8 4)>;
241 def X86_COND_G : PatLeaf<(i8 5)>;
242 def X86_COND_GE : PatLeaf<(i8 6)>;
243 def X86_COND_L : PatLeaf<(i8 7)>;
244 def X86_COND_LE : PatLeaf<(i8 8)>;
245 def X86_COND_NE : PatLeaf<(i8 9)>;
246 def X86_COND_NO : PatLeaf<(i8 10)>;
247 def X86_COND_NP : PatLeaf<(i8 11)>;
248 def X86_COND_NS : PatLeaf<(i8 12)>;
249 def X86_COND_NC : PatLeaf<(i8 13)>;
250 def X86_COND_O : PatLeaf<(i8 14)>;
251 def X86_COND_P : PatLeaf<(i8 15)>;
252 def X86_COND_S : PatLeaf<(i8 16)>;
253 def X86_COND_C : PatLeaf<(i8 17)>;
255 def i16immSExt8 : PatLeaf<(i16 imm), [{
256 // i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
257 // sign extended field.
258 return (int16_t)N->getZExtValue() == (int8_t)N->getZExtValue();
261 def i32immSExt8 : PatLeaf<(i32 imm), [{
262 // i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
263 // sign extended field.
264 return (int32_t)N->getZExtValue() == (int8_t)N->getZExtValue();
267 // Helper fragments for loads.
268 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
269 // known to be 32-bit aligned or better. Ditto for i8 to i16.
270 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
271 LoadSDNode *LD = cast<LoadSDNode>(N);
272 ISD::LoadExtType ExtType = LD->getExtensionType();
273 if (ExtType == ISD::NON_EXTLOAD)
275 if (ExtType == ISD::EXTLOAD)
276 return LD->getAlignment() >= 2 && !LD->isVolatile();
280 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
281 LoadSDNode *LD = cast<LoadSDNode>(N);
282 ISD::LoadExtType ExtType = LD->getExtensionType();
283 if (ExtType == ISD::EXTLOAD)
284 return LD->getAlignment() >= 2 && !LD->isVolatile();
288 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
289 LoadSDNode *LD = cast<LoadSDNode>(N);
290 ISD::LoadExtType ExtType = LD->getExtensionType();
291 if (ExtType == ISD::NON_EXTLOAD)
293 if (ExtType == ISD::EXTLOAD)
294 return LD->getAlignment() >= 4 && !LD->isVolatile();
298 def nvloadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
299 LoadSDNode *LD = cast<LoadSDNode>(N);
300 if (LD->isVolatile())
302 ISD::LoadExtType ExtType = LD->getExtensionType();
303 if (ExtType == ISD::NON_EXTLOAD)
305 if (ExtType == ISD::EXTLOAD)
306 return LD->getAlignment() >= 4;
310 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
311 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr))>;
313 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
314 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
315 def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr))>;
317 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
318 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
319 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
321 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
322 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
323 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
324 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
325 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
326 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
328 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
329 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
330 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
331 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
332 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
333 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
336 // An 'and' node with a single use.
337 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
338 return N->hasOneUse();
341 // 'shld' and 'shrd' instruction patterns. Note that even though these have
342 // the srl and shl in their patterns, the C++ code must still check for them,
343 // because predicates are tested before children nodes are explored.
345 def shrd : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
346 (or (srl node:$src1, node:$amt1),
347 (shl node:$src2, node:$amt2)), [{
348 assert(N->getOpcode() == ISD::OR);
349 return N->getOperand(0).getOpcode() == ISD::SRL &&
350 N->getOperand(1).getOpcode() == ISD::SHL &&
351 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
352 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
353 N->getOperand(0).getConstantOperandVal(1) ==
354 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
357 def shld : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
358 (or (shl node:$src1, node:$amt1),
359 (srl node:$src2, node:$amt2)), [{
360 assert(N->getOpcode() == ISD::OR);
361 return N->getOperand(0).getOpcode() == ISD::SHL &&
362 N->getOperand(1).getOpcode() == ISD::SRL &&
363 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
364 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
365 N->getOperand(0).getConstantOperandVal(1) ==
366 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
369 //===----------------------------------------------------------------------===//
370 // Instruction list...
373 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
374 // a stack adjustment and the codegen must know that they may modify the stack
375 // pointer before prolog-epilog rewriting occurs.
376 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
377 // sub / add which can clobber EFLAGS.
378 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
379 def ADJCALLSTACKDOWN32 : I<0, Pseudo, (outs), (ins i32imm:$amt),
381 [(X86callseq_start timm:$amt)]>,
382 Requires<[In32BitMode]>;
383 def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
385 [(X86callseq_end timm:$amt1, timm:$amt2)]>,
386 Requires<[In32BitMode]>;
390 let neverHasSideEffects = 1 in
391 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
394 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
395 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins piclabel:$label),
396 "call\t$label\n\tpop{l}\t$reg", []>;
398 //===----------------------------------------------------------------------===//
399 // Control Flow Instructions...
402 // Return instructions.
403 let isTerminator = 1, isReturn = 1, isBarrier = 1,
404 hasCtrlDep = 1, FPForm = SpecialFP, FPFormBits = SpecialFP.Value in {
405 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
408 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
410 [(X86retflag imm:$amt)]>;
413 // All branches are RawFrm, Void, Branch, and Terminators
414 let isBranch = 1, isTerminator = 1 in
415 class IBr<bits<8> opcode, dag ins, string asm, list<dag> pattern> :
416 I<opcode, RawFrm, (outs), ins, asm, pattern>;
418 let isBranch = 1, isBarrier = 1 in
419 def JMP : IBr<0xE9, (ins brtarget:$dst), "jmp\t$dst", [(br bb:$dst)]>;
422 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
423 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
424 [(brind GR32:$dst)]>;
425 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
426 [(brind (loadi32 addr:$dst))]>;
429 // Conditional branches
430 let Uses = [EFLAGS] in {
431 def JE : IBr<0x84, (ins brtarget:$dst), "je\t$dst",
432 [(X86brcond bb:$dst, X86_COND_E, EFLAGS)]>, TB;
433 def JNE : IBr<0x85, (ins brtarget:$dst), "jne\t$dst",
434 [(X86brcond bb:$dst, X86_COND_NE, EFLAGS)]>, TB;
435 def JL : IBr<0x8C, (ins brtarget:$dst), "jl\t$dst",
436 [(X86brcond bb:$dst, X86_COND_L, EFLAGS)]>, TB;
437 def JLE : IBr<0x8E, (ins brtarget:$dst), "jle\t$dst",
438 [(X86brcond bb:$dst, X86_COND_LE, EFLAGS)]>, TB;
439 def JG : IBr<0x8F, (ins brtarget:$dst), "jg\t$dst",
440 [(X86brcond bb:$dst, X86_COND_G, EFLAGS)]>, TB;
441 def JGE : IBr<0x8D, (ins brtarget:$dst), "jge\t$dst",
442 [(X86brcond bb:$dst, X86_COND_GE, EFLAGS)]>, TB;
444 def JB : IBr<0x82, (ins brtarget:$dst), "jb\t$dst",
445 [(X86brcond bb:$dst, X86_COND_B, EFLAGS)]>, TB;
446 def JBE : IBr<0x86, (ins brtarget:$dst), "jbe\t$dst",
447 [(X86brcond bb:$dst, X86_COND_BE, EFLAGS)]>, TB;
448 def JA : IBr<0x87, (ins brtarget:$dst), "ja\t$dst",
449 [(X86brcond bb:$dst, X86_COND_A, EFLAGS)]>, TB;
450 def JAE : IBr<0x83, (ins brtarget:$dst), "jae\t$dst",
451 [(X86brcond bb:$dst, X86_COND_AE, EFLAGS)]>, TB;
453 def JS : IBr<0x88, (ins brtarget:$dst), "js\t$dst",
454 [(X86brcond bb:$dst, X86_COND_S, EFLAGS)]>, TB;
455 def JNS : IBr<0x89, (ins brtarget:$dst), "jns\t$dst",
456 [(X86brcond bb:$dst, X86_COND_NS, EFLAGS)]>, TB;
457 def JP : IBr<0x8A, (ins brtarget:$dst), "jp\t$dst",
458 [(X86brcond bb:$dst, X86_COND_P, EFLAGS)]>, TB;
459 def JNP : IBr<0x8B, (ins brtarget:$dst), "jnp\t$dst",
460 [(X86brcond bb:$dst, X86_COND_NP, EFLAGS)]>, TB;
461 def JO : IBr<0x80, (ins brtarget:$dst), "jo\t$dst",
462 [(X86brcond bb:$dst, X86_COND_O, EFLAGS)]>, TB;
463 def JNO : IBr<0x81, (ins brtarget:$dst), "jno\t$dst",
464 [(X86brcond bb:$dst, X86_COND_NO, EFLAGS)]>, TB;
465 def JC : IBr<0x82, (ins brtarget:$dst), "jc\t$dst",
466 [(X86brcond bb:$dst, X86_COND_C, EFLAGS)]>, TB;
467 def JNC : IBr<0x83, (ins brtarget:$dst), "jnc\t$dst",
468 [(X86brcond bb:$dst, X86_COND_NC, EFLAGS)]>, TB;
471 //===----------------------------------------------------------------------===//
472 // Call Instructions...
475 // All calls clobber the non-callee saved registers. ESP is marked as
476 // a use to prevent stack-pointer assignments that appear immediately
477 // before calls from potentially appearing dead. Uses for argument
478 // registers are added manually.
479 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
480 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
481 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
482 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
484 def CALLpcrel32 : Ii32<0xE8, RawFrm, (outs), (ins i32imm:$dst,variable_ops),
485 "call\t${dst:call}", []>;
486 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
487 "call\t{*}$dst", [(X86call GR32:$dst)]>;
488 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
489 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
494 def TAILCALL : I<0, Pseudo, (outs), (ins),
498 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
499 def TCRETURNdi : I<0, Pseudo, (outs), (ins i32imm:$dst, i32imm:$offset, variable_ops),
500 "#TC_RETURN $dst $offset",
503 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
504 def TCRETURNri : I<0, Pseudo, (outs), (ins GR32:$dst, i32imm:$offset, variable_ops),
505 "#TC_RETURN $dst $offset",
508 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
510 def TAILJMPd : IBr<0xE9, (ins i32imm:$dst), "jmp\t${dst:call} # TAILCALL",
512 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
513 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst # TAILCALL",
515 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
516 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem:$dst),
517 "jmp\t{*}$dst # TAILCALL", []>;
519 //===----------------------------------------------------------------------===//
520 // Miscellaneous Instructions...
522 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
523 def LEAVE : I<0xC9, RawFrm,
524 (outs), (ins), "leave", []>;
526 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
528 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
531 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
534 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in
535 def POPFD : I<0x9D, RawFrm, (outs), (ins), "popf", []>;
536 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in
537 def PUSHFD : I<0x9C, RawFrm, (outs), (ins), "pushf", []>;
539 let isTwoAddress = 1 in // GR32 = bswap GR32
540 def BSWAP32r : I<0xC8, AddRegFrm,
541 (outs GR32:$dst), (ins GR32:$src),
543 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
546 // Bit scan instructions.
547 let Defs = [EFLAGS] in {
548 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
549 "bsf{w}\t{$src, $dst|$dst, $src}",
550 [(set GR16:$dst, (X86bsf GR16:$src)), (implicit EFLAGS)]>, TB;
551 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
552 "bsf{w}\t{$src, $dst|$dst, $src}",
553 [(set GR16:$dst, (X86bsf (loadi16 addr:$src))),
554 (implicit EFLAGS)]>, TB;
555 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
556 "bsf{l}\t{$src, $dst|$dst, $src}",
557 [(set GR32:$dst, (X86bsf GR32:$src)), (implicit EFLAGS)]>, TB;
558 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
559 "bsf{l}\t{$src, $dst|$dst, $src}",
560 [(set GR32:$dst, (X86bsf (loadi32 addr:$src))),
561 (implicit EFLAGS)]>, TB;
563 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
564 "bsr{w}\t{$src, $dst|$dst, $src}",
565 [(set GR16:$dst, (X86bsr GR16:$src)), (implicit EFLAGS)]>, TB;
566 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
567 "bsr{w}\t{$src, $dst|$dst, $src}",
568 [(set GR16:$dst, (X86bsr (loadi16 addr:$src))),
569 (implicit EFLAGS)]>, TB;
570 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
571 "bsr{l}\t{$src, $dst|$dst, $src}",
572 [(set GR32:$dst, (X86bsr GR32:$src)), (implicit EFLAGS)]>, TB;
573 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
574 "bsr{l}\t{$src, $dst|$dst, $src}",
575 [(set GR32:$dst, (X86bsr (loadi32 addr:$src))),
576 (implicit EFLAGS)]>, TB;
579 let neverHasSideEffects = 1 in
580 def LEA16r : I<0x8D, MRMSrcMem,
581 (outs GR16:$dst), (ins i32mem:$src),
582 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
583 let isReMaterializable = 1 in
584 def LEA32r : I<0x8D, MRMSrcMem,
585 (outs GR32:$dst), (ins lea32mem:$src),
586 "lea{l}\t{$src|$dst}, {$dst|$src}",
587 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
589 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI] in {
590 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
591 [(X86rep_movs i8)]>, REP;
592 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
593 [(X86rep_movs i16)]>, REP, OpSize;
594 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
595 [(X86rep_movs i32)]>, REP;
598 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI] in
599 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
600 [(X86rep_stos i8)]>, REP;
601 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI] in
602 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
603 [(X86rep_stos i16)]>, REP, OpSize;
604 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI] in
605 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
606 [(X86rep_stos i32)]>, REP;
608 let Defs = [RAX, RDX] in
609 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
612 let isBarrier = 1, hasCtrlDep = 1 in {
613 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
616 //===----------------------------------------------------------------------===//
617 // Input/Output Instructions...
619 let Defs = [AL], Uses = [DX] in
620 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
621 "in{b}\t{%dx, %al|%AL, %DX}", []>;
622 let Defs = [AX], Uses = [DX] in
623 def IN16rr : I<0xED, RawFrm, (outs), (ins),
624 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
625 let Defs = [EAX], Uses = [DX] in
626 def IN32rr : I<0xED, RawFrm, (outs), (ins),
627 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
630 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i16i8imm:$port),
631 "in{b}\t{$port, %al|%AL, $port}", []>;
633 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
634 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
636 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
637 "in{l}\t{$port, %eax|%EAX, $port}", []>;
639 let Uses = [DX, AL] in
640 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
641 "out{b}\t{%al, %dx|%DX, %AL}", []>;
642 let Uses = [DX, AX] in
643 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
644 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
645 let Uses = [DX, EAX] in
646 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
647 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
650 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i16i8imm:$port),
651 "out{b}\t{%al, $port|$port, %AL}", []>;
653 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
654 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
656 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
657 "out{l}\t{%eax, $port|$port, %EAX}", []>;
659 //===----------------------------------------------------------------------===//
660 // Move Instructions...
662 let neverHasSideEffects = 1 in {
663 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
664 "mov{b}\t{$src, $dst|$dst, $src}", []>;
665 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
666 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
667 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
668 "mov{l}\t{$src, $dst|$dst, $src}", []>;
670 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
671 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
672 "mov{b}\t{$src, $dst|$dst, $src}",
673 [(set GR8:$dst, imm:$src)]>;
674 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
675 "mov{w}\t{$src, $dst|$dst, $src}",
676 [(set GR16:$dst, imm:$src)]>, OpSize;
677 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
678 "mov{l}\t{$src, $dst|$dst, $src}",
679 [(set GR32:$dst, imm:$src)]>;
681 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
682 "mov{b}\t{$src, $dst|$dst, $src}",
683 [(store (i8 imm:$src), addr:$dst)]>;
684 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
685 "mov{w}\t{$src, $dst|$dst, $src}",
686 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
687 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
688 "mov{l}\t{$src, $dst|$dst, $src}",
689 [(store (i32 imm:$src), addr:$dst)]>;
691 let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in {
692 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
693 "mov{b}\t{$src, $dst|$dst, $src}",
694 [(set GR8:$dst, (load addr:$src))]>;
695 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
696 "mov{w}\t{$src, $dst|$dst, $src}",
697 [(set GR16:$dst, (load addr:$src))]>, OpSize;
698 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
699 "mov{l}\t{$src, $dst|$dst, $src}",
700 [(set GR32:$dst, (load addr:$src))]>;
703 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
704 "mov{b}\t{$src, $dst|$dst, $src}",
705 [(store GR8:$src, addr:$dst)]>;
706 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
707 "mov{w}\t{$src, $dst|$dst, $src}",
708 [(store GR16:$src, addr:$dst)]>, OpSize;
709 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
710 "mov{l}\t{$src, $dst|$dst, $src}",
711 [(store GR32:$src, addr:$dst)]>;
713 //===----------------------------------------------------------------------===//
714 // Fixed-Register Multiplication and Division Instructions...
717 // Extra precision multiplication
718 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
719 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
720 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
721 // This probably ought to be moved to a def : Pat<> if the
722 // syntax can be accepted.
723 [(set AL, (mul AL, GR8:$src)),
724 (implicit EFLAGS)]>; // AL,AH = AL*GR8
726 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
727 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
729 []>, OpSize; // AX,DX = AX*GR16
731 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
732 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
734 []>; // EAX,EDX = EAX*GR32
736 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
737 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
739 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
740 // This probably ought to be moved to a def : Pat<> if the
741 // syntax can be accepted.
742 [(set AL, (mul AL, (loadi8 addr:$src))),
743 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
745 let mayLoad = 1, neverHasSideEffects = 1 in {
746 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
747 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
749 []>, OpSize; // AX,DX = AX*[mem16]
751 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
752 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
754 []>; // EAX,EDX = EAX*[mem32]
757 let neverHasSideEffects = 1 in {
758 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
759 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
761 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
762 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
763 OpSize; // AX,DX = AX*GR16
764 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
765 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
766 // EAX,EDX = EAX*GR32
768 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
769 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
770 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
771 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
772 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
773 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
774 let Defs = [EAX,EDX], Uses = [EAX] in
775 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
776 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
778 } // neverHasSideEffects
780 // unsigned division/remainder
781 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
782 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
784 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
785 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
786 "div{w}\t$src", []>, OpSize;
787 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
788 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
791 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
792 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
794 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
795 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
796 "div{w}\t$src", []>, OpSize;
797 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
798 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
802 // Signed division/remainder.
803 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
804 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
805 "idiv{b}\t$src", []>;
806 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
807 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
808 "idiv{w}\t$src", []>, OpSize;
809 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
810 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
811 "idiv{l}\t$src", []>;
812 let mayLoad = 1, mayLoad = 1 in {
813 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
814 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
815 "idiv{b}\t$src", []>;
816 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
817 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
818 "idiv{w}\t$src", []>, OpSize;
819 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
820 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
821 "idiv{l}\t$src", []>;
824 //===----------------------------------------------------------------------===//
825 // Two address Instructions.
827 let isTwoAddress = 1 in {
830 let Uses = [EFLAGS] in {
831 let isCommutable = 1 in {
832 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
833 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
834 "cmovb\t{$src2, $dst|$dst, $src2}",
835 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
836 X86_COND_B, EFLAGS))]>,
838 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
839 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
840 "cmovb\t{$src2, $dst|$dst, $src2}",
841 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
842 X86_COND_B, EFLAGS))]>,
845 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
846 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
847 "cmovae\t{$src2, $dst|$dst, $src2}",
848 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
849 X86_COND_AE, EFLAGS))]>,
851 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
852 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
853 "cmovae\t{$src2, $dst|$dst, $src2}",
854 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
855 X86_COND_AE, EFLAGS))]>,
857 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
858 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
859 "cmove\t{$src2, $dst|$dst, $src2}",
860 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
861 X86_COND_E, EFLAGS))]>,
863 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
864 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
865 "cmove\t{$src2, $dst|$dst, $src2}",
866 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
867 X86_COND_E, EFLAGS))]>,
869 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
870 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
871 "cmovne\t{$src2, $dst|$dst, $src2}",
872 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
873 X86_COND_NE, EFLAGS))]>,
875 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
876 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
877 "cmovne\t{$src2, $dst|$dst, $src2}",
878 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
879 X86_COND_NE, EFLAGS))]>,
881 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
882 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
883 "cmovbe\t{$src2, $dst|$dst, $src2}",
884 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
885 X86_COND_BE, EFLAGS))]>,
887 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
888 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
889 "cmovbe\t{$src2, $dst|$dst, $src2}",
890 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
891 X86_COND_BE, EFLAGS))]>,
893 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
894 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
895 "cmova\t{$src2, $dst|$dst, $src2}",
896 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
897 X86_COND_A, EFLAGS))]>,
899 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
900 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
901 "cmova\t{$src2, $dst|$dst, $src2}",
902 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
903 X86_COND_A, EFLAGS))]>,
905 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
906 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
907 "cmovl\t{$src2, $dst|$dst, $src2}",
908 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
909 X86_COND_L, EFLAGS))]>,
911 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
912 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
913 "cmovl\t{$src2, $dst|$dst, $src2}",
914 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
915 X86_COND_L, EFLAGS))]>,
917 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
918 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
919 "cmovge\t{$src2, $dst|$dst, $src2}",
920 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
921 X86_COND_GE, EFLAGS))]>,
923 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
924 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
925 "cmovge\t{$src2, $dst|$dst, $src2}",
926 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
927 X86_COND_GE, EFLAGS))]>,
929 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
930 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
931 "cmovle\t{$src2, $dst|$dst, $src2}",
932 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
933 X86_COND_LE, EFLAGS))]>,
935 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
936 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
937 "cmovle\t{$src2, $dst|$dst, $src2}",
938 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
939 X86_COND_LE, EFLAGS))]>,
941 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
942 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
943 "cmovg\t{$src2, $dst|$dst, $src2}",
944 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
945 X86_COND_G, EFLAGS))]>,
947 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
948 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
949 "cmovg\t{$src2, $dst|$dst, $src2}",
950 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
951 X86_COND_G, EFLAGS))]>,
953 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
954 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
955 "cmovs\t{$src2, $dst|$dst, $src2}",
956 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
957 X86_COND_S, EFLAGS))]>,
959 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
960 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
961 "cmovs\t{$src2, $dst|$dst, $src2}",
962 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
963 X86_COND_S, EFLAGS))]>,
965 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
966 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
967 "cmovns\t{$src2, $dst|$dst, $src2}",
968 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
969 X86_COND_NS, EFLAGS))]>,
971 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
972 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
973 "cmovns\t{$src2, $dst|$dst, $src2}",
974 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
975 X86_COND_NS, EFLAGS))]>,
977 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
978 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
979 "cmovp\t{$src2, $dst|$dst, $src2}",
980 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
981 X86_COND_P, EFLAGS))]>,
983 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
984 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
985 "cmovp\t{$src2, $dst|$dst, $src2}",
986 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
987 X86_COND_P, EFLAGS))]>,
989 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
990 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
991 "cmovnp\t{$src2, $dst|$dst, $src2}",
992 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
993 X86_COND_NP, EFLAGS))]>,
995 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
996 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
997 "cmovnp\t{$src2, $dst|$dst, $src2}",
998 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
999 X86_COND_NP, EFLAGS))]>,
1001 } // isCommutable = 1
1003 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1004 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1005 "cmovnp\t{$src2, $dst|$dst, $src2}",
1006 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1007 X86_COND_NP, EFLAGS))]>,
1010 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1011 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1012 "cmovb\t{$src2, $dst|$dst, $src2}",
1013 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1014 X86_COND_B, EFLAGS))]>,
1016 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1017 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1018 "cmovb\t{$src2, $dst|$dst, $src2}",
1019 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1020 X86_COND_B, EFLAGS))]>,
1022 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1023 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1024 "cmovae\t{$src2, $dst|$dst, $src2}",
1025 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1026 X86_COND_AE, EFLAGS))]>,
1028 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1029 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1030 "cmovae\t{$src2, $dst|$dst, $src2}",
1031 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1032 X86_COND_AE, EFLAGS))]>,
1034 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1035 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1036 "cmove\t{$src2, $dst|$dst, $src2}",
1037 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1038 X86_COND_E, EFLAGS))]>,
1040 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1041 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1042 "cmove\t{$src2, $dst|$dst, $src2}",
1043 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1044 X86_COND_E, EFLAGS))]>,
1046 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1047 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1048 "cmovne\t{$src2, $dst|$dst, $src2}",
1049 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1050 X86_COND_NE, EFLAGS))]>,
1052 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1053 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1054 "cmovne\t{$src2, $dst|$dst, $src2}",
1055 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1056 X86_COND_NE, EFLAGS))]>,
1058 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1059 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1060 "cmovbe\t{$src2, $dst|$dst, $src2}",
1061 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1062 X86_COND_BE, EFLAGS))]>,
1064 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1065 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1066 "cmovbe\t{$src2, $dst|$dst, $src2}",
1067 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1068 X86_COND_BE, EFLAGS))]>,
1070 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1071 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1072 "cmova\t{$src2, $dst|$dst, $src2}",
1073 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1074 X86_COND_A, EFLAGS))]>,
1076 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1077 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1078 "cmova\t{$src2, $dst|$dst, $src2}",
1079 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1080 X86_COND_A, EFLAGS))]>,
1082 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1083 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1084 "cmovl\t{$src2, $dst|$dst, $src2}",
1085 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1086 X86_COND_L, EFLAGS))]>,
1088 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1089 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1090 "cmovl\t{$src2, $dst|$dst, $src2}",
1091 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1092 X86_COND_L, EFLAGS))]>,
1094 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1095 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1096 "cmovge\t{$src2, $dst|$dst, $src2}",
1097 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1098 X86_COND_GE, EFLAGS))]>,
1100 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1101 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1102 "cmovge\t{$src2, $dst|$dst, $src2}",
1103 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1104 X86_COND_GE, EFLAGS))]>,
1106 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1107 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1108 "cmovle\t{$src2, $dst|$dst, $src2}",
1109 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1110 X86_COND_LE, EFLAGS))]>,
1112 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1113 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1114 "cmovle\t{$src2, $dst|$dst, $src2}",
1115 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1116 X86_COND_LE, EFLAGS))]>,
1118 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1119 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1120 "cmovg\t{$src2, $dst|$dst, $src2}",
1121 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1122 X86_COND_G, EFLAGS))]>,
1124 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1125 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1126 "cmovg\t{$src2, $dst|$dst, $src2}",
1127 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1128 X86_COND_G, EFLAGS))]>,
1130 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1131 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1132 "cmovs\t{$src2, $dst|$dst, $src2}",
1133 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1134 X86_COND_S, EFLAGS))]>,
1136 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1137 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1138 "cmovs\t{$src2, $dst|$dst, $src2}",
1139 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1140 X86_COND_S, EFLAGS))]>,
1142 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1143 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1144 "cmovns\t{$src2, $dst|$dst, $src2}",
1145 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1146 X86_COND_NS, EFLAGS))]>,
1148 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1149 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1150 "cmovns\t{$src2, $dst|$dst, $src2}",
1151 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1152 X86_COND_NS, EFLAGS))]>,
1154 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1155 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1156 "cmovp\t{$src2, $dst|$dst, $src2}",
1157 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1158 X86_COND_P, EFLAGS))]>,
1160 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1161 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1162 "cmovp\t{$src2, $dst|$dst, $src2}",
1163 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1164 X86_COND_P, EFLAGS))]>,
1166 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1167 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1168 "cmovnp\t{$src2, $dst|$dst, $src2}",
1169 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1170 X86_COND_NP, EFLAGS))]>,
1172 } // Uses = [EFLAGS]
1175 // unary instructions
1176 let CodeSize = 2 in {
1177 let Defs = [EFLAGS] in {
1178 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src), "neg{b}\t$dst",
1179 [(set GR8:$dst, (ineg GR8:$src))]>;
1180 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src), "neg{w}\t$dst",
1181 [(set GR16:$dst, (ineg GR16:$src))]>, OpSize;
1182 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src), "neg{l}\t$dst",
1183 [(set GR32:$dst, (ineg GR32:$src))]>;
1184 let isTwoAddress = 0 in {
1185 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), "neg{b}\t$dst",
1186 [(store (ineg (loadi8 addr:$dst)), addr:$dst)]>;
1187 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), "neg{w}\t$dst",
1188 [(store (ineg (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1189 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), "neg{l}\t$dst",
1190 [(store (ineg (loadi32 addr:$dst)), addr:$dst)]>;
1193 } // Defs = [EFLAGS]
1195 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src), "not{b}\t$dst",
1196 [(set GR8:$dst, (not GR8:$src))]>;
1197 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src), "not{w}\t$dst",
1198 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1199 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src), "not{l}\t$dst",
1200 [(set GR32:$dst, (not GR32:$src))]>;
1201 let isTwoAddress = 0 in {
1202 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), "not{b}\t$dst",
1203 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1204 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), "not{w}\t$dst",
1205 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1206 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), "not{l}\t$dst",
1207 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1211 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1212 let Defs = [EFLAGS] in {
1214 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
1215 [(set GR8:$dst, (add GR8:$src, 1))]>;
1216 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1217 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "inc{w}\t$dst",
1218 [(set GR16:$dst, (add GR16:$src, 1))]>,
1219 OpSize, Requires<[In32BitMode]>;
1220 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "inc{l}\t$dst",
1221 [(set GR32:$dst, (add GR32:$src, 1))]>, Requires<[In32BitMode]>;
1223 let isTwoAddress = 0, CodeSize = 2 in {
1224 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1225 [(store (add (loadi8 addr:$dst), 1), addr:$dst)]>;
1226 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1227 [(store (add (loadi16 addr:$dst), 1), addr:$dst)]>,
1228 OpSize, Requires<[In32BitMode]>;
1229 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1230 [(store (add (loadi32 addr:$dst), 1), addr:$dst)]>,
1231 Requires<[In32BitMode]>;
1235 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src), "dec{b}\t$dst",
1236 [(set GR8:$dst, (add GR8:$src, -1))]>;
1237 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1238 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "dec{w}\t$dst",
1239 [(set GR16:$dst, (add GR16:$src, -1))]>,
1240 OpSize, Requires<[In32BitMode]>;
1241 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "dec{l}\t$dst",
1242 [(set GR32:$dst, (add GR32:$src, -1))]>, Requires<[In32BitMode]>;
1245 let isTwoAddress = 0, CodeSize = 2 in {
1246 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1247 [(store (add (loadi8 addr:$dst), -1), addr:$dst)]>;
1248 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1249 [(store (add (loadi16 addr:$dst), -1), addr:$dst)]>,
1250 OpSize, Requires<[In32BitMode]>;
1251 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1252 [(store (add (loadi32 addr:$dst), -1), addr:$dst)]>,
1253 Requires<[In32BitMode]>;
1255 } // Defs = [EFLAGS]
1257 // Logical operators...
1258 let Defs = [EFLAGS] in {
1259 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1260 def AND8rr : I<0x20, MRMDestReg,
1261 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1262 "and{b}\t{$src2, $dst|$dst, $src2}",
1263 [(set GR8:$dst, (and GR8:$src1, GR8:$src2))]>;
1264 def AND16rr : I<0x21, MRMDestReg,
1265 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1266 "and{w}\t{$src2, $dst|$dst, $src2}",
1267 [(set GR16:$dst, (and GR16:$src1, GR16:$src2))]>, OpSize;
1268 def AND32rr : I<0x21, MRMDestReg,
1269 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1270 "and{l}\t{$src2, $dst|$dst, $src2}",
1271 [(set GR32:$dst, (and GR32:$src1, GR32:$src2))]>;
1274 def AND8rm : I<0x22, MRMSrcMem,
1275 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1276 "and{b}\t{$src2, $dst|$dst, $src2}",
1277 [(set GR8:$dst, (and GR8:$src1, (load addr:$src2)))]>;
1278 def AND16rm : I<0x23, MRMSrcMem,
1279 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1280 "and{w}\t{$src2, $dst|$dst, $src2}",
1281 [(set GR16:$dst, (and GR16:$src1, (load addr:$src2)))]>, OpSize;
1282 def AND32rm : I<0x23, MRMSrcMem,
1283 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1284 "and{l}\t{$src2, $dst|$dst, $src2}",
1285 [(set GR32:$dst, (and GR32:$src1, (load addr:$src2)))]>;
1287 def AND8ri : Ii8<0x80, MRM4r,
1288 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1289 "and{b}\t{$src2, $dst|$dst, $src2}",
1290 [(set GR8:$dst, (and GR8:$src1, imm:$src2))]>;
1291 def AND16ri : Ii16<0x81, MRM4r,
1292 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1293 "and{w}\t{$src2, $dst|$dst, $src2}",
1294 [(set GR16:$dst, (and GR16:$src1, imm:$src2))]>, OpSize;
1295 def AND32ri : Ii32<0x81, MRM4r,
1296 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1297 "and{l}\t{$src2, $dst|$dst, $src2}",
1298 [(set GR32:$dst, (and GR32:$src1, imm:$src2))]>;
1299 def AND16ri8 : Ii8<0x83, MRM4r,
1300 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1301 "and{w}\t{$src2, $dst|$dst, $src2}",
1302 [(set GR16:$dst, (and GR16:$src1, i16immSExt8:$src2))]>,
1304 def AND32ri8 : Ii8<0x83, MRM4r,
1305 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1306 "and{l}\t{$src2, $dst|$dst, $src2}",
1307 [(set GR32:$dst, (and GR32:$src1, i32immSExt8:$src2))]>;
1309 let isTwoAddress = 0 in {
1310 def AND8mr : I<0x20, MRMDestMem,
1311 (outs), (ins i8mem :$dst, GR8 :$src),
1312 "and{b}\t{$src, $dst|$dst, $src}",
1313 [(store (and (load addr:$dst), GR8:$src), addr:$dst)]>;
1314 def AND16mr : I<0x21, MRMDestMem,
1315 (outs), (ins i16mem:$dst, GR16:$src),
1316 "and{w}\t{$src, $dst|$dst, $src}",
1317 [(store (and (load addr:$dst), GR16:$src), addr:$dst)]>,
1319 def AND32mr : I<0x21, MRMDestMem,
1320 (outs), (ins i32mem:$dst, GR32:$src),
1321 "and{l}\t{$src, $dst|$dst, $src}",
1322 [(store (and (load addr:$dst), GR32:$src), addr:$dst)]>;
1323 def AND8mi : Ii8<0x80, MRM4m,
1324 (outs), (ins i8mem :$dst, i8imm :$src),
1325 "and{b}\t{$src, $dst|$dst, $src}",
1326 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1327 def AND16mi : Ii16<0x81, MRM4m,
1328 (outs), (ins i16mem:$dst, i16imm:$src),
1329 "and{w}\t{$src, $dst|$dst, $src}",
1330 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1332 def AND32mi : Ii32<0x81, MRM4m,
1333 (outs), (ins i32mem:$dst, i32imm:$src),
1334 "and{l}\t{$src, $dst|$dst, $src}",
1335 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1336 def AND16mi8 : Ii8<0x83, MRM4m,
1337 (outs), (ins i16mem:$dst, i16i8imm :$src),
1338 "and{w}\t{$src, $dst|$dst, $src}",
1339 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1341 def AND32mi8 : Ii8<0x83, MRM4m,
1342 (outs), (ins i32mem:$dst, i32i8imm :$src),
1343 "and{l}\t{$src, $dst|$dst, $src}",
1344 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1348 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1349 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1350 "or{b}\t{$src2, $dst|$dst, $src2}",
1351 [(set GR8:$dst, (or GR8:$src1, GR8:$src2))]>;
1352 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1353 "or{w}\t{$src2, $dst|$dst, $src2}",
1354 [(set GR16:$dst, (or GR16:$src1, GR16:$src2))]>, OpSize;
1355 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1356 "or{l}\t{$src2, $dst|$dst, $src2}",
1357 [(set GR32:$dst, (or GR32:$src1, GR32:$src2))]>;
1359 def OR8rm : I<0x0A, MRMSrcMem , (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1360 "or{b}\t{$src2, $dst|$dst, $src2}",
1361 [(set GR8:$dst, (or GR8:$src1, (load addr:$src2)))]>;
1362 def OR16rm : I<0x0B, MRMSrcMem , (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1363 "or{w}\t{$src2, $dst|$dst, $src2}",
1364 [(set GR16:$dst, (or GR16:$src1, (load addr:$src2)))]>, OpSize;
1365 def OR32rm : I<0x0B, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1366 "or{l}\t{$src2, $dst|$dst, $src2}",
1367 [(set GR32:$dst, (or GR32:$src1, (load addr:$src2)))]>;
1369 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1370 "or{b}\t{$src2, $dst|$dst, $src2}",
1371 [(set GR8:$dst, (or GR8:$src1, imm:$src2))]>;
1372 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1373 "or{w}\t{$src2, $dst|$dst, $src2}",
1374 [(set GR16:$dst, (or GR16:$src1, imm:$src2))]>, OpSize;
1375 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1376 "or{l}\t{$src2, $dst|$dst, $src2}",
1377 [(set GR32:$dst, (or GR32:$src1, imm:$src2))]>;
1379 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1380 "or{w}\t{$src2, $dst|$dst, $src2}",
1381 [(set GR16:$dst, (or GR16:$src1, i16immSExt8:$src2))]>, OpSize;
1382 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1383 "or{l}\t{$src2, $dst|$dst, $src2}",
1384 [(set GR32:$dst, (or GR32:$src1, i32immSExt8:$src2))]>;
1385 let isTwoAddress = 0 in {
1386 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1387 "or{b}\t{$src, $dst|$dst, $src}",
1388 [(store (or (load addr:$dst), GR8:$src), addr:$dst)]>;
1389 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1390 "or{w}\t{$src, $dst|$dst, $src}",
1391 [(store (or (load addr:$dst), GR16:$src), addr:$dst)]>, OpSize;
1392 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1393 "or{l}\t{$src, $dst|$dst, $src}",
1394 [(store (or (load addr:$dst), GR32:$src), addr:$dst)]>;
1395 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1396 "or{b}\t{$src, $dst|$dst, $src}",
1397 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1398 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
1399 "or{w}\t{$src, $dst|$dst, $src}",
1400 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1402 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
1403 "or{l}\t{$src, $dst|$dst, $src}",
1404 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1405 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
1406 "or{w}\t{$src, $dst|$dst, $src}",
1407 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1409 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
1410 "or{l}\t{$src, $dst|$dst, $src}",
1411 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1412 } // isTwoAddress = 0
1415 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1416 def XOR8rr : I<0x30, MRMDestReg,
1417 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1418 "xor{b}\t{$src2, $dst|$dst, $src2}",
1419 [(set GR8:$dst, (xor GR8:$src1, GR8:$src2))]>;
1420 def XOR16rr : I<0x31, MRMDestReg,
1421 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1422 "xor{w}\t{$src2, $dst|$dst, $src2}",
1423 [(set GR16:$dst, (xor GR16:$src1, GR16:$src2))]>, OpSize;
1424 def XOR32rr : I<0x31, MRMDestReg,
1425 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1426 "xor{l}\t{$src2, $dst|$dst, $src2}",
1427 [(set GR32:$dst, (xor GR32:$src1, GR32:$src2))]>;
1428 } // isCommutable = 1
1430 def XOR8rm : I<0x32, MRMSrcMem ,
1431 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
1432 "xor{b}\t{$src2, $dst|$dst, $src2}",
1433 [(set GR8:$dst, (xor GR8:$src1, (load addr:$src2)))]>;
1434 def XOR16rm : I<0x33, MRMSrcMem ,
1435 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1436 "xor{w}\t{$src2, $dst|$dst, $src2}",
1437 [(set GR16:$dst, (xor GR16:$src1, (load addr:$src2)))]>,
1439 def XOR32rm : I<0x33, MRMSrcMem ,
1440 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1441 "xor{l}\t{$src2, $dst|$dst, $src2}",
1442 [(set GR32:$dst, (xor GR32:$src1, (load addr:$src2)))]>;
1444 def XOR8ri : Ii8<0x80, MRM6r,
1445 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1446 "xor{b}\t{$src2, $dst|$dst, $src2}",
1447 [(set GR8:$dst, (xor GR8:$src1, imm:$src2))]>;
1448 def XOR16ri : Ii16<0x81, MRM6r,
1449 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1450 "xor{w}\t{$src2, $dst|$dst, $src2}",
1451 [(set GR16:$dst, (xor GR16:$src1, imm:$src2))]>, OpSize;
1452 def XOR32ri : Ii32<0x81, MRM6r,
1453 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1454 "xor{l}\t{$src2, $dst|$dst, $src2}",
1455 [(set GR32:$dst, (xor GR32:$src1, imm:$src2))]>;
1456 def XOR16ri8 : Ii8<0x83, MRM6r,
1457 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1458 "xor{w}\t{$src2, $dst|$dst, $src2}",
1459 [(set GR16:$dst, (xor GR16:$src1, i16immSExt8:$src2))]>,
1461 def XOR32ri8 : Ii8<0x83, MRM6r,
1462 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1463 "xor{l}\t{$src2, $dst|$dst, $src2}",
1464 [(set GR32:$dst, (xor GR32:$src1, i32immSExt8:$src2))]>;
1466 let isTwoAddress = 0 in {
1467 def XOR8mr : I<0x30, MRMDestMem,
1468 (outs), (ins i8mem :$dst, GR8 :$src),
1469 "xor{b}\t{$src, $dst|$dst, $src}",
1470 [(store (xor (load addr:$dst), GR8:$src), addr:$dst)]>;
1471 def XOR16mr : I<0x31, MRMDestMem,
1472 (outs), (ins i16mem:$dst, GR16:$src),
1473 "xor{w}\t{$src, $dst|$dst, $src}",
1474 [(store (xor (load addr:$dst), GR16:$src), addr:$dst)]>,
1476 def XOR32mr : I<0x31, MRMDestMem,
1477 (outs), (ins i32mem:$dst, GR32:$src),
1478 "xor{l}\t{$src, $dst|$dst, $src}",
1479 [(store (xor (load addr:$dst), GR32:$src), addr:$dst)]>;
1480 def XOR8mi : Ii8<0x80, MRM6m,
1481 (outs), (ins i8mem :$dst, i8imm :$src),
1482 "xor{b}\t{$src, $dst|$dst, $src}",
1483 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1484 def XOR16mi : Ii16<0x81, MRM6m,
1485 (outs), (ins i16mem:$dst, i16imm:$src),
1486 "xor{w}\t{$src, $dst|$dst, $src}",
1487 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1489 def XOR32mi : Ii32<0x81, MRM6m,
1490 (outs), (ins i32mem:$dst, i32imm:$src),
1491 "xor{l}\t{$src, $dst|$dst, $src}",
1492 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1493 def XOR16mi8 : Ii8<0x83, MRM6m,
1494 (outs), (ins i16mem:$dst, i16i8imm :$src),
1495 "xor{w}\t{$src, $dst|$dst, $src}",
1496 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1498 def XOR32mi8 : Ii8<0x83, MRM6m,
1499 (outs), (ins i32mem:$dst, i32i8imm :$src),
1500 "xor{l}\t{$src, $dst|$dst, $src}",
1501 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1502 } // isTwoAddress = 0
1503 } // Defs = [EFLAGS]
1505 // Shift instructions
1506 let Defs = [EFLAGS] in {
1507 let Uses = [CL] in {
1508 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src),
1509 "shl{b}\t{%cl, $dst|$dst, %CL}",
1510 [(set GR8:$dst, (shl GR8:$src, CL))]>;
1511 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src),
1512 "shl{w}\t{%cl, $dst|$dst, %CL}",
1513 [(set GR16:$dst, (shl GR16:$src, CL))]>, OpSize;
1514 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src),
1515 "shl{l}\t{%cl, $dst|$dst, %CL}",
1516 [(set GR32:$dst, (shl GR32:$src, CL))]>;
1519 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1520 "shl{b}\t{$src2, $dst|$dst, $src2}",
1521 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
1522 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1523 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1524 "shl{w}\t{$src2, $dst|$dst, $src2}",
1525 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1526 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1527 "shl{l}\t{$src2, $dst|$dst, $src2}",
1528 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
1529 // NOTE: We don't use shifts of a register by one, because 'add reg,reg' is
1531 } // isConvertibleToThreeAddress = 1
1533 let isTwoAddress = 0 in {
1534 let Uses = [CL] in {
1535 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
1536 "shl{b}\t{%cl, $dst|$dst, %CL}",
1537 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
1538 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
1539 "shl{w}\t{%cl, $dst|$dst, %CL}",
1540 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1541 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
1542 "shl{l}\t{%cl, $dst|$dst, %CL}",
1543 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
1545 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
1546 "shl{b}\t{$src, $dst|$dst, $src}",
1547 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1548 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
1549 "shl{w}\t{$src, $dst|$dst, $src}",
1550 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1552 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
1553 "shl{l}\t{$src, $dst|$dst, $src}",
1554 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1557 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
1559 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1560 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
1562 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1564 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
1566 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1569 let Uses = [CL] in {
1570 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src),
1571 "shr{b}\t{%cl, $dst|$dst, %CL}",
1572 [(set GR8:$dst, (srl GR8:$src, CL))]>;
1573 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src),
1574 "shr{w}\t{%cl, $dst|$dst, %CL}",
1575 [(set GR16:$dst, (srl GR16:$src, CL))]>, OpSize;
1576 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src),
1577 "shr{l}\t{%cl, $dst|$dst, %CL}",
1578 [(set GR32:$dst, (srl GR32:$src, CL))]>;
1581 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1582 "shr{b}\t{$src2, $dst|$dst, $src2}",
1583 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
1584 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1585 "shr{w}\t{$src2, $dst|$dst, $src2}",
1586 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1587 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1588 "shr{l}\t{$src2, $dst|$dst, $src2}",
1589 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
1592 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
1594 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
1595 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
1597 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
1598 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
1600 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
1602 let isTwoAddress = 0 in {
1603 let Uses = [CL] in {
1604 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
1605 "shr{b}\t{%cl, $dst|$dst, %CL}",
1606 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
1607 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
1608 "shr{w}\t{%cl, $dst|$dst, %CL}",
1609 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
1611 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
1612 "shr{l}\t{%cl, $dst|$dst, %CL}",
1613 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
1615 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
1616 "shr{b}\t{$src, $dst|$dst, $src}",
1617 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1618 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
1619 "shr{w}\t{$src, $dst|$dst, $src}",
1620 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1622 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
1623 "shr{l}\t{$src, $dst|$dst, $src}",
1624 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1627 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
1629 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1630 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
1632 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
1633 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
1635 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1638 let Uses = [CL] in {
1639 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src),
1640 "sar{b}\t{%cl, $dst|$dst, %CL}",
1641 [(set GR8:$dst, (sra GR8:$src, CL))]>;
1642 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src),
1643 "sar{w}\t{%cl, $dst|$dst, %CL}",
1644 [(set GR16:$dst, (sra GR16:$src, CL))]>, OpSize;
1645 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src),
1646 "sar{l}\t{%cl, $dst|$dst, %CL}",
1647 [(set GR32:$dst, (sra GR32:$src, CL))]>;
1650 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1651 "sar{b}\t{$src2, $dst|$dst, $src2}",
1652 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
1653 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1654 "sar{w}\t{$src2, $dst|$dst, $src2}",
1655 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
1657 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1658 "sar{l}\t{$src2, $dst|$dst, $src2}",
1659 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
1662 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
1664 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
1665 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
1667 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
1668 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
1670 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
1672 let isTwoAddress = 0 in {
1673 let Uses = [CL] in {
1674 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
1675 "sar{b}\t{%cl, $dst|$dst, %CL}",
1676 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
1677 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
1678 "sar{w}\t{%cl, $dst|$dst, %CL}",
1679 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1680 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
1681 "sar{l}\t{%cl, $dst|$dst, %CL}",
1682 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
1684 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
1685 "sar{b}\t{$src, $dst|$dst, $src}",
1686 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1687 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
1688 "sar{w}\t{$src, $dst|$dst, $src}",
1689 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1691 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
1692 "sar{l}\t{$src, $dst|$dst, $src}",
1693 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1696 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
1698 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1699 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
1701 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1703 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
1705 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1708 // Rotate instructions
1709 // FIXME: provide shorter instructions when imm8 == 1
1710 let Uses = [CL] in {
1711 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),
1712 "rol{b}\t{%cl, $dst|$dst, %CL}",
1713 [(set GR8:$dst, (rotl GR8:$src, CL))]>;
1714 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src),
1715 "rol{w}\t{%cl, $dst|$dst, %CL}",
1716 [(set GR16:$dst, (rotl GR16:$src, CL))]>, OpSize;
1717 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src),
1718 "rol{l}\t{%cl, $dst|$dst, %CL}",
1719 [(set GR32:$dst, (rotl GR32:$src, CL))]>;
1722 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1723 "rol{b}\t{$src2, $dst|$dst, $src2}",
1724 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
1725 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1726 "rol{w}\t{$src2, $dst|$dst, $src2}",
1727 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1728 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1729 "rol{l}\t{$src2, $dst|$dst, $src2}",
1730 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
1733 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
1735 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
1736 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
1738 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
1739 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
1741 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
1743 let isTwoAddress = 0 in {
1744 let Uses = [CL] in {
1745 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
1746 "rol{b}\t{%cl, $dst|$dst, %CL}",
1747 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
1748 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
1749 "rol{w}\t{%cl, $dst|$dst, %CL}",
1750 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1751 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
1752 "rol{l}\t{%cl, $dst|$dst, %CL}",
1753 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
1755 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
1756 "rol{b}\t{$src, $dst|$dst, $src}",
1757 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1758 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
1759 "rol{w}\t{$src, $dst|$dst, $src}",
1760 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1762 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
1763 "rol{l}\t{$src, $dst|$dst, $src}",
1764 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1767 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
1769 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1770 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
1772 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1774 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
1776 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1779 let Uses = [CL] in {
1780 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),
1781 "ror{b}\t{%cl, $dst|$dst, %CL}",
1782 [(set GR8:$dst, (rotr GR8:$src, CL))]>;
1783 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src),
1784 "ror{w}\t{%cl, $dst|$dst, %CL}",
1785 [(set GR16:$dst, (rotr GR16:$src, CL))]>, OpSize;
1786 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src),
1787 "ror{l}\t{%cl, $dst|$dst, %CL}",
1788 [(set GR32:$dst, (rotr GR32:$src, CL))]>;
1791 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1792 "ror{b}\t{$src2, $dst|$dst, $src2}",
1793 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
1794 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1795 "ror{w}\t{$src2, $dst|$dst, $src2}",
1796 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1797 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1798 "ror{l}\t{$src2, $dst|$dst, $src2}",
1799 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
1802 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
1804 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
1805 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
1807 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
1808 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
1810 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
1812 let isTwoAddress = 0 in {
1813 let Uses = [CL] in {
1814 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
1815 "ror{b}\t{%cl, $dst|$dst, %CL}",
1816 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
1817 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
1818 "ror{w}\t{%cl, $dst|$dst, %CL}",
1819 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1820 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
1821 "ror{l}\t{%cl, $dst|$dst, %CL}",
1822 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
1824 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1825 "ror{b}\t{$src, $dst|$dst, $src}",
1826 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1827 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
1828 "ror{w}\t{$src, $dst|$dst, $src}",
1829 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1831 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
1832 "ror{l}\t{$src, $dst|$dst, $src}",
1833 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1836 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
1838 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1839 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
1841 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1843 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
1845 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1850 // Double shift instructions (generalizations of rotate)
1851 let Uses = [CL] in {
1852 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1853 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1854 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
1855 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1856 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1857 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
1858 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1859 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1860 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
1862 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1863 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1864 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
1868 let isCommutable = 1 in { // These instructions commute to each other.
1869 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
1870 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
1871 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1872 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
1875 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
1876 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
1877 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1878 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
1881 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
1882 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
1883 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1884 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
1887 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
1888 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
1889 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1890 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
1895 let isTwoAddress = 0 in {
1896 let Uses = [CL] in {
1897 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
1898 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1899 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
1901 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
1902 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1903 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
1906 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
1907 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
1908 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1909 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
1910 (i8 imm:$src3)), addr:$dst)]>,
1912 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
1913 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
1914 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1915 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
1916 (i8 imm:$src3)), addr:$dst)]>,
1919 let Uses = [CL] in {
1920 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
1921 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1922 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
1923 addr:$dst)]>, TB, OpSize;
1924 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
1925 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1926 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
1927 addr:$dst)]>, TB, OpSize;
1929 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
1930 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
1931 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1932 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
1933 (i8 imm:$src3)), addr:$dst)]>,
1935 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
1936 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
1937 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1938 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
1939 (i8 imm:$src3)), addr:$dst)]>,
1942 } // Defs = [EFLAGS]
1946 let Defs = [EFLAGS] in {
1947 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
1948 // Register-Register Addition
1949 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
1950 (ins GR8 :$src1, GR8 :$src2),
1951 "add{b}\t{$src2, $dst|$dst, $src2}",
1952 [(set GR8:$dst, (add GR8:$src1, GR8:$src2)),
1953 (implicit EFLAGS)]>;
1955 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1956 // Register-Register Addition
1957 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
1958 (ins GR16:$src1, GR16:$src2),
1959 "add{w}\t{$src2, $dst|$dst, $src2}",
1960 [(set GR16:$dst, (add GR16:$src1, GR16:$src2)),
1961 (implicit EFLAGS)]>, OpSize;
1962 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
1963 (ins GR32:$src1, GR32:$src2),
1964 "add{l}\t{$src2, $dst|$dst, $src2}",
1965 [(set GR32:$dst, (add GR32:$src1, GR32:$src2)),
1966 (implicit EFLAGS)]>;
1967 } // end isConvertibleToThreeAddress
1968 } // end isCommutable
1970 // Register-Memory Addition
1971 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
1972 (ins GR8 :$src1, i8mem :$src2),
1973 "add{b}\t{$src2, $dst|$dst, $src2}",
1974 [(set GR8:$dst, (add GR8:$src1, (load addr:$src2))),
1975 (implicit EFLAGS)]>;
1976 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
1977 (ins GR16:$src1, i16mem:$src2),
1978 "add{w}\t{$src2, $dst|$dst, $src2}",
1979 [(set GR16:$dst, (add GR16:$src1, (load addr:$src2))),
1980 (implicit EFLAGS)]>, OpSize;
1981 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
1982 (ins GR32:$src1, i32mem:$src2),
1983 "add{l}\t{$src2, $dst|$dst, $src2}",
1984 [(set GR32:$dst, (add GR32:$src1, (load addr:$src2))),
1985 (implicit EFLAGS)]>;
1987 // Register-Integer Addition
1988 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1989 "add{b}\t{$src2, $dst|$dst, $src2}",
1990 [(set GR8:$dst, (add GR8:$src1, imm:$src2)),
1991 (implicit EFLAGS)]>;
1993 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1994 // Register-Integer Addition
1995 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
1996 (ins GR16:$src1, i16imm:$src2),
1997 "add{w}\t{$src2, $dst|$dst, $src2}",
1998 [(set GR16:$dst, (add GR16:$src1, imm:$src2)),
1999 (implicit EFLAGS)]>, OpSize;
2000 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
2001 (ins GR32:$src1, i32imm:$src2),
2002 "add{l}\t{$src2, $dst|$dst, $src2}",
2003 [(set GR32:$dst, (add GR32:$src1, imm:$src2)),
2004 (implicit EFLAGS)]>;
2005 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2006 (ins GR16:$src1, i16i8imm:$src2),
2007 "add{w}\t{$src2, $dst|$dst, $src2}",
2008 [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2)),
2009 (implicit EFLAGS)]>, OpSize;
2010 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2011 (ins GR32:$src1, i32i8imm:$src2),
2012 "add{l}\t{$src2, $dst|$dst, $src2}",
2013 [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2)),
2014 (implicit EFLAGS)]>;
2017 let isTwoAddress = 0 in {
2018 // Memory-Register Addition
2019 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2020 "add{b}\t{$src2, $dst|$dst, $src2}",
2021 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2022 (implicit EFLAGS)]>;
2023 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2024 "add{w}\t{$src2, $dst|$dst, $src2}",
2025 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2026 (implicit EFLAGS)]>, OpSize;
2027 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2028 "add{l}\t{$src2, $dst|$dst, $src2}",
2029 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2030 (implicit EFLAGS)]>;
2031 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2032 "add{b}\t{$src2, $dst|$dst, $src2}",
2033 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2034 (implicit EFLAGS)]>;
2035 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2036 "add{w}\t{$src2, $dst|$dst, $src2}",
2037 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2038 (implicit EFLAGS)]>, OpSize;
2039 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2040 "add{l}\t{$src2, $dst|$dst, $src2}",
2041 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2042 (implicit EFLAGS)]>;
2043 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2044 "add{w}\t{$src2, $dst|$dst, $src2}",
2045 [(store (add (load addr:$dst), i16immSExt8:$src2),
2047 (implicit EFLAGS)]>, OpSize;
2048 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2049 "add{l}\t{$src2, $dst|$dst, $src2}",
2050 [(store (add (load addr:$dst), i32immSExt8:$src2),
2052 (implicit EFLAGS)]>;
2055 let Uses = [EFLAGS] in {
2056 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2057 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2058 "adc{l}\t{$src2, $dst|$dst, $src2}",
2059 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2061 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2062 "adc{l}\t{$src2, $dst|$dst, $src2}",
2063 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2064 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2065 "adc{l}\t{$src2, $dst|$dst, $src2}",
2066 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2067 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2068 "adc{l}\t{$src2, $dst|$dst, $src2}",
2069 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2071 let isTwoAddress = 0 in {
2072 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2073 "adc{l}\t{$src2, $dst|$dst, $src2}",
2074 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2075 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2076 "adc{l}\t{$src2, $dst|$dst, $src2}",
2077 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2078 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2079 "adc{l}\t{$src2, $dst|$dst, $src2}",
2080 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2082 } // Uses = [EFLAGS]
2084 // Register-Register Subtraction
2085 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2086 "sub{b}\t{$src2, $dst|$dst, $src2}",
2087 [(set GR8:$dst, (sub GR8:$src1, GR8:$src2)),
2088 (implicit EFLAGS)]>;
2089 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2090 "sub{w}\t{$src2, $dst|$dst, $src2}",
2091 [(set GR16:$dst, (sub GR16:$src1, GR16:$src2)),
2092 (implicit EFLAGS)]>, OpSize;
2093 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2094 "sub{l}\t{$src2, $dst|$dst, $src2}",
2095 [(set GR32:$dst, (sub GR32:$src1, GR32:$src2)),
2096 (implicit EFLAGS)]>;
2098 // Register-Memory Subtraction
2099 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
2100 (ins GR8 :$src1, i8mem :$src2),
2101 "sub{b}\t{$src2, $dst|$dst, $src2}",
2102 [(set GR8:$dst, (sub GR8:$src1, (load addr:$src2))),
2103 (implicit EFLAGS)]>;
2104 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
2105 (ins GR16:$src1, i16mem:$src2),
2106 "sub{w}\t{$src2, $dst|$dst, $src2}",
2107 [(set GR16:$dst, (sub GR16:$src1, (load addr:$src2))),
2108 (implicit EFLAGS)]>, OpSize;
2109 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
2110 (ins GR32:$src1, i32mem:$src2),
2111 "sub{l}\t{$src2, $dst|$dst, $src2}",
2112 [(set GR32:$dst, (sub GR32:$src1, (load addr:$src2))),
2113 (implicit EFLAGS)]>;
2115 // Register-Integer Subtraction
2116 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
2117 (ins GR8:$src1, i8imm:$src2),
2118 "sub{b}\t{$src2, $dst|$dst, $src2}",
2119 [(set GR8:$dst, (sub GR8:$src1, imm:$src2)),
2120 (implicit EFLAGS)]>;
2121 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
2122 (ins GR16:$src1, i16imm:$src2),
2123 "sub{w}\t{$src2, $dst|$dst, $src2}",
2124 [(set GR16:$dst, (sub GR16:$src1, imm:$src2)),
2125 (implicit EFLAGS)]>, OpSize;
2126 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
2127 (ins GR32:$src1, i32imm:$src2),
2128 "sub{l}\t{$src2, $dst|$dst, $src2}",
2129 [(set GR32:$dst, (sub GR32:$src1, imm:$src2)),
2130 (implicit EFLAGS)]>;
2131 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
2132 (ins GR16:$src1, i16i8imm:$src2),
2133 "sub{w}\t{$src2, $dst|$dst, $src2}",
2134 [(set GR16:$dst, (sub GR16:$src1, i16immSExt8:$src2)),
2135 (implicit EFLAGS)]>, OpSize;
2136 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
2137 (ins GR32:$src1, i32i8imm:$src2),
2138 "sub{l}\t{$src2, $dst|$dst, $src2}",
2139 [(set GR32:$dst, (sub GR32:$src1, i32immSExt8:$src2)),
2140 (implicit EFLAGS)]>;
2142 let isTwoAddress = 0 in {
2143 // Memory-Register Subtraction
2144 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
2145 "sub{b}\t{$src2, $dst|$dst, $src2}",
2146 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
2147 (implicit EFLAGS)]>;
2148 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2149 "sub{w}\t{$src2, $dst|$dst, $src2}",
2150 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
2151 (implicit EFLAGS)]>, OpSize;
2152 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2153 "sub{l}\t{$src2, $dst|$dst, $src2}",
2154 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
2155 (implicit EFLAGS)]>;
2157 // Memory-Integer Subtraction
2158 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
2159 "sub{b}\t{$src2, $dst|$dst, $src2}",
2160 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
2161 (implicit EFLAGS)]>;
2162 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
2163 "sub{w}\t{$src2, $dst|$dst, $src2}",
2164 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
2165 (implicit EFLAGS)]>, OpSize;
2166 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
2167 "sub{l}\t{$src2, $dst|$dst, $src2}",
2168 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
2169 (implicit EFLAGS)]>;
2170 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2171 "sub{w}\t{$src2, $dst|$dst, $src2}",
2172 [(store (sub (load addr:$dst), i16immSExt8:$src2),
2174 (implicit EFLAGS)]>, OpSize;
2175 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2176 "sub{l}\t{$src2, $dst|$dst, $src2}",
2177 [(store (sub (load addr:$dst), i32immSExt8:$src2),
2179 (implicit EFLAGS)]>;
2182 let Uses = [EFLAGS] in {
2183 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2184 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2185 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
2187 let isTwoAddress = 0 in {
2188 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2189 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2190 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
2191 def SBB8mi : Ii32<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
2192 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2193 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2194 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
2195 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2196 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2197 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2198 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2199 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2201 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2202 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2203 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
2204 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2205 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2206 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
2207 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2208 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2209 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
2210 } // Uses = [EFLAGS]
2211 } // Defs = [EFLAGS]
2213 let Defs = [EFLAGS] in {
2214 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
2215 // Register-Register Signed Integer Multiply
2216 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2217 "imul{w}\t{$src2, $dst|$dst, $src2}",
2218 [(set GR16:$dst, (mul GR16:$src1, GR16:$src2)),
2219 (implicit EFLAGS)]>, TB, OpSize;
2220 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2221 "imul{l}\t{$src2, $dst|$dst, $src2}",
2222 [(set GR32:$dst, (mul GR32:$src1, GR32:$src2)),
2223 (implicit EFLAGS)]>, TB;
2226 // Register-Memory Signed Integer Multiply
2227 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
2228 (ins GR16:$src1, i16mem:$src2),
2229 "imul{w}\t{$src2, $dst|$dst, $src2}",
2230 [(set GR16:$dst, (mul GR16:$src1, (load addr:$src2))),
2231 (implicit EFLAGS)]>, TB, OpSize;
2232 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2233 "imul{l}\t{$src2, $dst|$dst, $src2}",
2234 [(set GR32:$dst, (mul GR32:$src1, (load addr:$src2))),
2235 (implicit EFLAGS)]>, TB;
2236 } // Defs = [EFLAGS]
2237 } // end Two Address instructions
2239 // Suprisingly enough, these are not two address instructions!
2240 let Defs = [EFLAGS] in {
2241 // Register-Integer Signed Integer Multiply
2242 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
2243 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2244 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2245 [(set GR16:$dst, (mul GR16:$src1, imm:$src2)),
2246 (implicit EFLAGS)]>, OpSize;
2247 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
2248 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2249 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2250 [(set GR32:$dst, (mul GR32:$src1, imm:$src2)),
2251 (implicit EFLAGS)]>;
2252 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
2253 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2254 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2255 [(set GR16:$dst, (mul GR16:$src1, i16immSExt8:$src2)),
2256 (implicit EFLAGS)]>, OpSize;
2257 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
2258 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2259 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2260 [(set GR32:$dst, (mul GR32:$src1, i32immSExt8:$src2)),
2261 (implicit EFLAGS)]>;
2263 // Memory-Integer Signed Integer Multiply
2264 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
2265 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
2266 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2267 [(set GR16:$dst, (mul (load addr:$src1), imm:$src2)),
2268 (implicit EFLAGS)]>, OpSize;
2269 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
2270 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
2271 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2272 [(set GR32:$dst, (mul (load addr:$src1), imm:$src2)),
2273 (implicit EFLAGS)]>;
2274 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
2275 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
2276 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2277 [(set GR16:$dst, (mul (load addr:$src1),
2278 i16immSExt8:$src2)),
2279 (implicit EFLAGS)]>, OpSize;
2280 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
2281 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
2282 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2283 [(set GR32:$dst, (mul (load addr:$src1),
2284 i32immSExt8:$src2)),
2285 (implicit EFLAGS)]>;
2286 } // Defs = [EFLAGS]
2288 //===----------------------------------------------------------------------===//
2289 // Test instructions are just like AND, except they don't generate a result.
2291 let Defs = [EFLAGS] in {
2292 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
2293 def TEST8rr : I<0x84, MRMDestReg, (outs), (ins GR8:$src1, GR8:$src2),
2294 "test{b}\t{$src2, $src1|$src1, $src2}",
2295 [(X86cmp (and_su GR8:$src1, GR8:$src2), 0),
2296 (implicit EFLAGS)]>;
2297 def TEST16rr : I<0x85, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2298 "test{w}\t{$src2, $src1|$src1, $src2}",
2299 [(X86cmp (and_su GR16:$src1, GR16:$src2), 0),
2300 (implicit EFLAGS)]>,
2302 def TEST32rr : I<0x85, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2303 "test{l}\t{$src2, $src1|$src1, $src2}",
2304 [(X86cmp (and_su GR32:$src1, GR32:$src2), 0),
2305 (implicit EFLAGS)]>;
2308 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
2309 "test{b}\t{$src2, $src1|$src1, $src2}",
2310 [(X86cmp (and GR8:$src1, (loadi8 addr:$src2)), 0),
2311 (implicit EFLAGS)]>;
2312 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
2313 "test{w}\t{$src2, $src1|$src1, $src2}",
2314 [(X86cmp (and GR16:$src1, (loadi16 addr:$src2)), 0),
2315 (implicit EFLAGS)]>, OpSize;
2316 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
2317 "test{l}\t{$src2, $src1|$src1, $src2}",
2318 [(X86cmp (and GR32:$src1, (loadi32 addr:$src2)), 0),
2319 (implicit EFLAGS)]>;
2321 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
2322 (outs), (ins GR8:$src1, i8imm:$src2),
2323 "test{b}\t{$src2, $src1|$src1, $src2}",
2324 [(X86cmp (and_su GR8:$src1, imm:$src2), 0),
2325 (implicit EFLAGS)]>;
2326 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
2327 (outs), (ins GR16:$src1, i16imm:$src2),
2328 "test{w}\t{$src2, $src1|$src1, $src2}",
2329 [(X86cmp (and_su GR16:$src1, imm:$src2), 0),
2330 (implicit EFLAGS)]>, OpSize;
2331 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
2332 (outs), (ins GR32:$src1, i32imm:$src2),
2333 "test{l}\t{$src2, $src1|$src1, $src2}",
2334 [(X86cmp (and_su GR32:$src1, imm:$src2), 0),
2335 (implicit EFLAGS)]>;
2337 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
2338 (outs), (ins i8mem:$src1, i8imm:$src2),
2339 "test{b}\t{$src2, $src1|$src1, $src2}",
2340 [(X86cmp (and (loadi8 addr:$src1), imm:$src2), 0),
2341 (implicit EFLAGS)]>;
2342 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
2343 (outs), (ins i16mem:$src1, i16imm:$src2),
2344 "test{w}\t{$src2, $src1|$src1, $src2}",
2345 [(X86cmp (and (loadi16 addr:$src1), imm:$src2), 0),
2346 (implicit EFLAGS)]>, OpSize;
2347 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2348 (outs), (ins i32mem:$src1, i32imm:$src2),
2349 "test{l}\t{$src2, $src1|$src1, $src2}",
2350 [(X86cmp (and (loadi32 addr:$src1), imm:$src2), 0),
2351 (implicit EFLAGS)]>;
2352 } // Defs = [EFLAGS]
2355 // Condition code ops, incl. set if equal/not equal/...
2356 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
2357 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
2358 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
2359 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
2361 let Uses = [EFLAGS] in {
2362 def SETEr : I<0x94, MRM0r,
2363 (outs GR8 :$dst), (ins),
2365 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
2367 def SETEm : I<0x94, MRM0m,
2368 (outs), (ins i8mem:$dst),
2370 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
2373 def SETNEr : I<0x95, MRM0r,
2374 (outs GR8 :$dst), (ins),
2376 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
2378 def SETNEm : I<0x95, MRM0m,
2379 (outs), (ins i8mem:$dst),
2381 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
2384 def SETLr : I<0x9C, MRM0r,
2385 (outs GR8 :$dst), (ins),
2387 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
2388 TB; // GR8 = < signed
2389 def SETLm : I<0x9C, MRM0m,
2390 (outs), (ins i8mem:$dst),
2392 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
2393 TB; // [mem8] = < signed
2395 def SETGEr : I<0x9D, MRM0r,
2396 (outs GR8 :$dst), (ins),
2398 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
2399 TB; // GR8 = >= signed
2400 def SETGEm : I<0x9D, MRM0m,
2401 (outs), (ins i8mem:$dst),
2403 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
2404 TB; // [mem8] = >= signed
2406 def SETLEr : I<0x9E, MRM0r,
2407 (outs GR8 :$dst), (ins),
2409 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
2410 TB; // GR8 = <= signed
2411 def SETLEm : I<0x9E, MRM0m,
2412 (outs), (ins i8mem:$dst),
2414 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
2415 TB; // [mem8] = <= signed
2417 def SETGr : I<0x9F, MRM0r,
2418 (outs GR8 :$dst), (ins),
2420 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
2421 TB; // GR8 = > signed
2422 def SETGm : I<0x9F, MRM0m,
2423 (outs), (ins i8mem:$dst),
2425 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
2426 TB; // [mem8] = > signed
2428 def SETBr : I<0x92, MRM0r,
2429 (outs GR8 :$dst), (ins),
2431 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
2432 TB; // GR8 = < unsign
2433 def SETBm : I<0x92, MRM0m,
2434 (outs), (ins i8mem:$dst),
2436 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
2437 TB; // [mem8] = < unsign
2439 def SETAEr : I<0x93, MRM0r,
2440 (outs GR8 :$dst), (ins),
2442 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
2443 TB; // GR8 = >= unsign
2444 def SETAEm : I<0x93, MRM0m,
2445 (outs), (ins i8mem:$dst),
2447 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
2448 TB; // [mem8] = >= unsign
2450 def SETBEr : I<0x96, MRM0r,
2451 (outs GR8 :$dst), (ins),
2453 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
2454 TB; // GR8 = <= unsign
2455 def SETBEm : I<0x96, MRM0m,
2456 (outs), (ins i8mem:$dst),
2458 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
2459 TB; // [mem8] = <= unsign
2461 def SETAr : I<0x97, MRM0r,
2462 (outs GR8 :$dst), (ins),
2464 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
2465 TB; // GR8 = > signed
2466 def SETAm : I<0x97, MRM0m,
2467 (outs), (ins i8mem:$dst),
2469 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
2470 TB; // [mem8] = > signed
2472 def SETSr : I<0x98, MRM0r,
2473 (outs GR8 :$dst), (ins),
2475 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
2476 TB; // GR8 = <sign bit>
2477 def SETSm : I<0x98, MRM0m,
2478 (outs), (ins i8mem:$dst),
2480 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
2481 TB; // [mem8] = <sign bit>
2482 def SETNSr : I<0x99, MRM0r,
2483 (outs GR8 :$dst), (ins),
2485 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
2486 TB; // GR8 = !<sign bit>
2487 def SETNSm : I<0x99, MRM0m,
2488 (outs), (ins i8mem:$dst),
2490 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
2491 TB; // [mem8] = !<sign bit>
2493 def SETPr : I<0x9A, MRM0r,
2494 (outs GR8 :$dst), (ins),
2496 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
2498 def SETPm : I<0x9A, MRM0m,
2499 (outs), (ins i8mem:$dst),
2501 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
2502 TB; // [mem8] = parity
2503 def SETNPr : I<0x9B, MRM0r,
2504 (outs GR8 :$dst), (ins),
2506 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
2507 TB; // GR8 = not parity
2508 def SETNPm : I<0x9B, MRM0m,
2509 (outs), (ins i8mem:$dst),
2511 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
2512 TB; // [mem8] = not parity
2514 def SETOr : I<0x90, MRM0r,
2515 (outs GR8 :$dst), (ins),
2517 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
2518 TB; // GR8 = overflow
2519 def SETOm : I<0x90, MRM0m,
2520 (outs), (ins i8mem:$dst),
2522 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
2523 TB; // [mem8] = overflow
2524 def SETNOr : I<0x91, MRM0r,
2525 (outs GR8 :$dst), (ins),
2527 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
2528 TB; // GR8 = not overflow
2529 def SETNOm : I<0x91, MRM0m,
2530 (outs), (ins i8mem:$dst),
2532 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
2533 TB; // [mem8] = not overflow
2535 def SETCr : I<0x92, MRM0r,
2536 (outs GR8 :$dst), (ins),
2538 [(set GR8:$dst, (X86setcc X86_COND_C, EFLAGS))]>,
2540 def SETCm : I<0x92, MRM0m,
2541 (outs), (ins i8mem:$dst),
2543 [(store (X86setcc X86_COND_C, EFLAGS), addr:$dst)]>,
2544 TB; // [mem8] = carry
2545 def SETNCr : I<0x93, MRM0r,
2546 (outs GR8 :$dst), (ins),
2548 [(set GR8:$dst, (X86setcc X86_COND_NC, EFLAGS))]>,
2549 TB; // GR8 = not carry
2550 def SETNCm : I<0x93, MRM0m,
2551 (outs), (ins i8mem:$dst),
2553 [(store (X86setcc X86_COND_NC, EFLAGS), addr:$dst)]>,
2554 TB; // [mem8] = not carry
2555 } // Uses = [EFLAGS]
2558 // Integer comparisons
2559 let Defs = [EFLAGS] in {
2560 def CMP8rr : I<0x38, MRMDestReg,
2561 (outs), (ins GR8 :$src1, GR8 :$src2),
2562 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2563 [(X86cmp GR8:$src1, GR8:$src2), (implicit EFLAGS)]>;
2564 def CMP16rr : I<0x39, MRMDestReg,
2565 (outs), (ins GR16:$src1, GR16:$src2),
2566 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2567 [(X86cmp GR16:$src1, GR16:$src2), (implicit EFLAGS)]>, OpSize;
2568 def CMP32rr : I<0x39, MRMDestReg,
2569 (outs), (ins GR32:$src1, GR32:$src2),
2570 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2571 [(X86cmp GR32:$src1, GR32:$src2), (implicit EFLAGS)]>;
2572 def CMP8mr : I<0x38, MRMDestMem,
2573 (outs), (ins i8mem :$src1, GR8 :$src2),
2574 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2575 [(X86cmp (loadi8 addr:$src1), GR8:$src2),
2576 (implicit EFLAGS)]>;
2577 def CMP16mr : I<0x39, MRMDestMem,
2578 (outs), (ins i16mem:$src1, GR16:$src2),
2579 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2580 [(X86cmp (loadi16 addr:$src1), GR16:$src2),
2581 (implicit EFLAGS)]>, OpSize;
2582 def CMP32mr : I<0x39, MRMDestMem,
2583 (outs), (ins i32mem:$src1, GR32:$src2),
2584 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2585 [(X86cmp (loadi32 addr:$src1), GR32:$src2),
2586 (implicit EFLAGS)]>;
2587 def CMP8rm : I<0x3A, MRMSrcMem,
2588 (outs), (ins GR8 :$src1, i8mem :$src2),
2589 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2590 [(X86cmp GR8:$src1, (loadi8 addr:$src2)),
2591 (implicit EFLAGS)]>;
2592 def CMP16rm : I<0x3B, MRMSrcMem,
2593 (outs), (ins GR16:$src1, i16mem:$src2),
2594 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2595 [(X86cmp GR16:$src1, (loadi16 addr:$src2)),
2596 (implicit EFLAGS)]>, OpSize;
2597 def CMP32rm : I<0x3B, MRMSrcMem,
2598 (outs), (ins GR32:$src1, i32mem:$src2),
2599 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2600 [(X86cmp GR32:$src1, (loadi32 addr:$src2)),
2601 (implicit EFLAGS)]>;
2602 def CMP8ri : Ii8<0x80, MRM7r,
2603 (outs), (ins GR8:$src1, i8imm:$src2),
2604 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2605 [(X86cmp GR8:$src1, imm:$src2), (implicit EFLAGS)]>;
2606 def CMP16ri : Ii16<0x81, MRM7r,
2607 (outs), (ins GR16:$src1, i16imm:$src2),
2608 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2609 [(X86cmp GR16:$src1, imm:$src2),
2610 (implicit EFLAGS)]>, OpSize;
2611 def CMP32ri : Ii32<0x81, MRM7r,
2612 (outs), (ins GR32:$src1, i32imm:$src2),
2613 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2614 [(X86cmp GR32:$src1, imm:$src2), (implicit EFLAGS)]>;
2615 def CMP8mi : Ii8 <0x80, MRM7m,
2616 (outs), (ins i8mem :$src1, i8imm :$src2),
2617 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2618 [(X86cmp (loadi8 addr:$src1), imm:$src2),
2619 (implicit EFLAGS)]>;
2620 def CMP16mi : Ii16<0x81, MRM7m,
2621 (outs), (ins i16mem:$src1, i16imm:$src2),
2622 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2623 [(X86cmp (loadi16 addr:$src1), imm:$src2),
2624 (implicit EFLAGS)]>, OpSize;
2625 def CMP32mi : Ii32<0x81, MRM7m,
2626 (outs), (ins i32mem:$src1, i32imm:$src2),
2627 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2628 [(X86cmp (loadi32 addr:$src1), imm:$src2),
2629 (implicit EFLAGS)]>;
2630 def CMP16ri8 : Ii8<0x83, MRM7r,
2631 (outs), (ins GR16:$src1, i16i8imm:$src2),
2632 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2633 [(X86cmp GR16:$src1, i16immSExt8:$src2),
2634 (implicit EFLAGS)]>, OpSize;
2635 def CMP16mi8 : Ii8<0x83, MRM7m,
2636 (outs), (ins i16mem:$src1, i16i8imm:$src2),
2637 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2638 [(X86cmp (loadi16 addr:$src1), i16immSExt8:$src2),
2639 (implicit EFLAGS)]>, OpSize;
2640 def CMP32mi8 : Ii8<0x83, MRM7m,
2641 (outs), (ins i32mem:$src1, i32i8imm:$src2),
2642 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2643 [(X86cmp (loadi32 addr:$src1), i32immSExt8:$src2),
2644 (implicit EFLAGS)]>;
2645 def CMP32ri8 : Ii8<0x83, MRM7r,
2646 (outs), (ins GR32:$src1, i32i8imm:$src2),
2647 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2648 [(X86cmp GR32:$src1, i32immSExt8:$src2),
2649 (implicit EFLAGS)]>;
2650 } // Defs = [EFLAGS]
2652 // Sign/Zero extenders
2653 // Use movsbl intead of movsbw; we don't care about the high 16 bits
2654 // of the register here. This has a smaller encoding and avoids a
2655 // partial-register update.
2656 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
2657 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2658 [(set GR16:$dst, (sext GR8:$src))]>, TB;
2659 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
2660 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2661 [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
2662 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
2663 "movs{bl|x}\t{$src, $dst|$dst, $src}",
2664 [(set GR32:$dst, (sext GR8:$src))]>, TB;
2665 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
2666 "movs{bl|x}\t{$src, $dst|$dst, $src}",
2667 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
2668 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
2669 "movs{wl|x}\t{$src, $dst|$dst, $src}",
2670 [(set GR32:$dst, (sext GR16:$src))]>, TB;
2671 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
2672 "movs{wl|x}\t{$src, $dst|$dst, $src}",
2673 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
2675 // Use movzbl intead of movzbw; we don't care about the high 16 bits
2676 // of the register here. This has a smaller encoding and avoids a
2677 // partial-register update.
2678 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
2679 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2680 [(set GR16:$dst, (zext GR8:$src))]>, TB;
2681 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
2682 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2683 [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
2684 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
2685 "movz{bl|x}\t{$src, $dst|$dst, $src}",
2686 [(set GR32:$dst, (zext GR8:$src))]>, TB;
2687 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
2688 "movz{bl|x}\t{$src, $dst|$dst, $src}",
2689 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
2690 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
2691 "movz{wl|x}\t{$src, $dst|$dst, $src}",
2692 [(set GR32:$dst, (zext GR16:$src))]>, TB;
2693 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
2694 "movz{wl|x}\t{$src, $dst|$dst, $src}",
2695 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
2697 let neverHasSideEffects = 1 in {
2698 let Defs = [AX], Uses = [AL] in
2699 def CBW : I<0x98, RawFrm, (outs), (ins),
2700 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
2701 let Defs = [EAX], Uses = [AX] in
2702 def CWDE : I<0x98, RawFrm, (outs), (ins),
2703 "{cwtl|cwde}", []>; // EAX = signext(AX)
2705 let Defs = [AX,DX], Uses = [AX] in
2706 def CWD : I<0x99, RawFrm, (outs), (ins),
2707 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
2708 let Defs = [EAX,EDX], Uses = [EAX] in
2709 def CDQ : I<0x99, RawFrm, (outs), (ins),
2710 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
2713 //===----------------------------------------------------------------------===//
2714 // Alias Instructions
2715 //===----------------------------------------------------------------------===//
2717 // Alias instructions that map movr0 to xor.
2718 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
2719 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1 in {
2720 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins),
2721 "xor{b}\t$dst, $dst",
2722 [(set GR8:$dst, 0)]>;
2723 // Use xorl instead of xorw since we don't care about the high 16 bits,
2724 // it's smaller, and it avoids a partial-register update.
2725 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
2726 "xor{l}\t${dst:subreg32}, ${dst:subreg32}",
2727 [(set GR16:$dst, 0)]>;
2728 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins),
2729 "xor{l}\t$dst, $dst",
2730 [(set GR32:$dst, 0)]>;
2733 // Basic operations on GR16 / GR32 subclasses GR16_ and GR32_ which contains only
2734 // those registers that have GR8 sub-registers (i.e. AX - DX, EAX - EDX).
2735 let neverHasSideEffects = 1 in {
2736 def MOV16to16_ : I<0x89, MRMDestReg, (outs GR16_:$dst), (ins GR16:$src),
2737 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
2738 def MOV32to32_ : I<0x89, MRMDestReg, (outs GR32_:$dst), (ins GR32:$src),
2739 "mov{l}\t{$src, $dst|$dst, $src}", []>;
2741 def MOV16_rr : I<0x89, MRMDestReg, (outs GR16_:$dst), (ins GR16_:$src),
2742 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
2743 def MOV32_rr : I<0x89, MRMDestReg, (outs GR32_:$dst), (ins GR32_:$src),
2744 "mov{l}\t{$src, $dst|$dst, $src}", []>;
2745 } // neverHasSideEffects
2747 let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in {
2748 def MOV16_rm : I<0x8B, MRMSrcMem, (outs GR16_:$dst), (ins i16mem:$src),
2749 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
2750 def MOV32_rm : I<0x8B, MRMSrcMem, (outs GR32_:$dst), (ins i32mem:$src),
2751 "mov{l}\t{$src, $dst|$dst, $src}", []>;
2753 let mayStore = 1, neverHasSideEffects = 1 in {
2754 def MOV16_mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16_:$src),
2755 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
2756 def MOV32_mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32_:$src),
2757 "mov{l}\t{$src, $dst|$dst, $src}", []>;
2760 //===----------------------------------------------------------------------===//
2761 // Thread Local Storage Instructions
2765 def TLS_addr32 : I<0, Pseudo, (outs GR32:$dst), (ins i32imm:$sym),
2766 "leal\t${sym:mem}(,%ebx,1), $dst",
2767 [(set GR32:$dst, (X86tlsaddr tglobaltlsaddr:$sym))]>;
2769 let AddedComplexity = 10 in
2770 def TLS_gs_rr : I<0, Pseudo, (outs GR32:$dst), (ins GR32:$src),
2771 "movl\t%gs:($src), $dst",
2772 [(set GR32:$dst, (load (add X86TLStp, GR32:$src)))]>;
2774 let AddedComplexity = 15 in
2775 def TLS_gs_ri : I<0x8B, Pseudo, (outs GR32:$dst), (ins i32imm:$src),
2776 "movl\t%gs:${src:mem}, $dst",
2778 (load (add X86TLStp, (X86Wrapper tglobaltlsaddr:$src))))]>,
2781 def TLS_tp : I<0x8B, Pseudo, (outs GR32:$dst), (ins),
2782 "movl\t%gs:0, $dst",
2783 [(set GR32:$dst, X86TLStp)]>, SegGS;
2785 //===----------------------------------------------------------------------===//
2786 // DWARF Pseudo Instructions
2789 def DWARF_LOC : I<0, Pseudo, (outs),
2790 (ins i32imm:$line, i32imm:$col, i32imm:$file),
2791 ".loc\t${file:debug} ${line:debug} ${col:debug}",
2792 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
2795 //===----------------------------------------------------------------------===//
2796 // EH Pseudo Instructions
2798 let isTerminator = 1, isReturn = 1, isBarrier = 1,
2800 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
2801 "ret\t#eh_return, addr: $addr",
2802 [(X86ehret GR32:$addr)]>;
2806 //===----------------------------------------------------------------------===//
2810 // Atomic swap. These are just normal xchg instructions. But since a memory
2811 // operand is referenced, the atomicity is ensured.
2812 let Constraints = "$val = $dst" in {
2813 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
2814 "xchg{l}\t{$val, $ptr|$ptr, $val}",
2815 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
2816 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
2817 "xchg{w}\t{$val, $ptr|$ptr, $val}",
2818 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
2820 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
2821 "xchg{b}\t{$val, $ptr|$ptr, $val}",
2822 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
2825 // Atomic compare and swap.
2826 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
2827 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
2828 "lock\n\tcmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
2829 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
2831 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
2832 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i32mem:$ptr),
2833 "lock\n\tcmpxchg8b\t$ptr",
2834 [(X86cas8 addr:$ptr)]>, TB, LOCK;
2837 let Defs = [AX, EFLAGS], Uses = [AX] in {
2838 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
2839 "lock\n\tcmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
2840 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
2842 let Defs = [AL, EFLAGS], Uses = [AL] in {
2843 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
2844 "lock\n\tcmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
2845 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
2848 // Atomic exchange and add
2849 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
2850 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
2851 "lock\n\txadd{l}\t{$val, $ptr|$ptr, $val}",
2852 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
2854 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
2855 "lock\n\txadd{w}\t{$val, $ptr|$ptr, $val}",
2856 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
2858 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
2859 "lock\n\txadd{b}\t{$val, $ptr|$ptr, $val}",
2860 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
2864 // Atomic exchange, and, or, xor
2865 let Constraints = "$val = $dst", Defs = [EFLAGS],
2866 usesCustomDAGSchedInserter = 1 in {
2867 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2868 "#ATOMAND32 PSEUDO!",
2869 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
2870 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2871 "#ATOMOR32 PSEUDO!",
2872 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
2873 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2874 "#ATOMXOR32 PSEUDO!",
2875 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
2876 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2877 "#ATOMNAND32 PSEUDO!",
2878 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
2879 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
2880 "#ATOMMIN32 PSEUDO!",
2881 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
2882 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2883 "#ATOMMAX32 PSEUDO!",
2884 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
2885 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2886 "#ATOMUMIN32 PSEUDO!",
2887 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
2888 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2889 "#ATOMUMAX32 PSEUDO!",
2890 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
2892 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2893 "#ATOMAND16 PSEUDO!",
2894 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
2895 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2896 "#ATOMOR16 PSEUDO!",
2897 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
2898 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2899 "#ATOMXOR16 PSEUDO!",
2900 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
2901 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2902 "#ATOMNAND16 PSEUDO!",
2903 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
2904 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
2905 "#ATOMMIN16 PSEUDO!",
2906 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
2907 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2908 "#ATOMMAX16 PSEUDO!",
2909 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
2910 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2911 "#ATOMUMIN16 PSEUDO!",
2912 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
2913 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2914 "#ATOMUMAX16 PSEUDO!",
2915 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
2917 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
2918 "#ATOMAND8 PSEUDO!",
2919 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
2920 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
2922 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
2923 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
2924 "#ATOMXOR8 PSEUDO!",
2925 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
2926 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
2927 "#ATOMNAND8 PSEUDO!",
2928 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
2931 let Constraints = "$val1 = $dst1, $val2 = $dst2",
2932 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
2933 Uses = [EAX, EBX, ECX, EDX],
2934 mayLoad = 1, mayStore = 1,
2935 usesCustomDAGSchedInserter = 1 in {
2936 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
2937 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
2938 "#ATOMAND6432 PSEUDO!", []>;
2939 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
2940 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
2941 "#ATOMOR6432 PSEUDO!", []>;
2942 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
2943 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
2944 "#ATOMXOR6432 PSEUDO!", []>;
2945 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
2946 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
2947 "#ATOMNAND6432 PSEUDO!", []>;
2948 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
2949 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
2950 "#ATOMADD6432 PSEUDO!", []>;
2951 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
2952 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
2953 "#ATOMSUB6432 PSEUDO!", []>;
2954 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
2955 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
2956 "#ATOMSWAP6432 PSEUDO!", []>;
2959 //===----------------------------------------------------------------------===//
2960 // Non-Instruction Patterns
2961 //===----------------------------------------------------------------------===//
2963 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
2964 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
2965 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
2966 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
2967 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
2968 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
2970 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
2971 (ADD32ri GR32:$src1, tconstpool:$src2)>;
2972 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
2973 (ADD32ri GR32:$src1, tjumptable:$src2)>;
2974 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
2975 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
2976 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
2977 (ADD32ri GR32:$src1, texternalsym:$src2)>;
2979 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
2980 (MOV32mi addr:$dst, tglobaladdr:$src)>;
2981 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
2982 (MOV32mi addr:$dst, texternalsym:$src)>;
2986 def : Pat<(X86tailcall GR32:$dst),
2989 def : Pat<(X86tailcall (i32 tglobaladdr:$dst)),
2991 def : Pat<(X86tailcall (i32 texternalsym:$dst)),
2994 def : Pat<(X86tcret GR32:$dst, imm:$off),
2995 (TCRETURNri GR32:$dst, imm:$off)>;
2997 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
2998 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3000 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
3001 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3003 def : Pat<(X86call (i32 tglobaladdr:$dst)),
3004 (CALLpcrel32 tglobaladdr:$dst)>;
3005 def : Pat<(X86call (i32 texternalsym:$dst)),
3006 (CALLpcrel32 texternalsym:$dst)>;
3008 // X86 specific add which produces a flag.
3009 def : Pat<(addc GR32:$src1, GR32:$src2),
3010 (ADD32rr GR32:$src1, GR32:$src2)>;
3011 def : Pat<(addc GR32:$src1, (load addr:$src2)),
3012 (ADD32rm GR32:$src1, addr:$src2)>;
3013 def : Pat<(addc GR32:$src1, imm:$src2),
3014 (ADD32ri GR32:$src1, imm:$src2)>;
3015 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
3016 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
3018 def : Pat<(subc GR32:$src1, GR32:$src2),
3019 (SUB32rr GR32:$src1, GR32:$src2)>;
3020 def : Pat<(subc GR32:$src1, (load addr:$src2)),
3021 (SUB32rm GR32:$src1, addr:$src2)>;
3022 def : Pat<(subc GR32:$src1, imm:$src2),
3023 (SUB32ri GR32:$src1, imm:$src2)>;
3024 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
3025 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
3029 // TEST R,R is smaller than CMP R,0
3030 def : Pat<(parallel (X86cmp GR8:$src1, 0), (implicit EFLAGS)),
3031 (TEST8rr GR8:$src1, GR8:$src1)>;
3032 def : Pat<(parallel (X86cmp GR16:$src1, 0), (implicit EFLAGS)),
3033 (TEST16rr GR16:$src1, GR16:$src1)>;
3034 def : Pat<(parallel (X86cmp GR32:$src1, 0), (implicit EFLAGS)),
3035 (TEST32rr GR32:$src1, GR32:$src1)>;
3037 // zextload bool -> zextload byte
3038 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3039 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
3040 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3042 // extload bool -> extload byte
3043 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3044 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>,
3045 Requires<[In32BitMode]>;
3046 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3047 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>,
3048 Requires<[In32BitMode]>;
3049 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
3050 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
3053 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>,
3054 Requires<[In32BitMode]>;
3055 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>,
3056 Requires<[In32BitMode]>;
3057 def : Pat<(i32 (anyext GR16:$src)),
3058 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR16:$src, x86_subreg_16bit)>;
3060 // (and (i32 load), 255) -> (zextload i8)
3061 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 255))),
3062 (MOVZX32rm8 addr:$src)>;
3063 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 65535))),
3064 (MOVZX32rm16 addr:$src)>;
3066 //===----------------------------------------------------------------------===//
3068 //===----------------------------------------------------------------------===//
3070 // Odd encoding trick: -128 fits into an 8-bit immediate field while
3071 // +128 doesn't, so in this special case use a sub instead of an add.
3072 def : Pat<(add GR16:$src1, 128),
3073 (SUB16ri8 GR16:$src1, -128)>;
3074 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
3075 (SUB16mi8 addr:$dst, -128)>;
3076 def : Pat<(add GR32:$src1, 128),
3077 (SUB32ri8 GR32:$src1, -128)>;
3078 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
3079 (SUB32mi8 addr:$dst, -128)>;
3081 // r & (2^16-1) ==> movz
3082 def : Pat<(and GR32:$src1, 0xffff),
3083 (MOVZX32rr16 (i16 (EXTRACT_SUBREG GR32:$src1, x86_subreg_16bit)))>;
3084 // r & (2^8-1) ==> movz
3085 def : Pat<(and GR32:$src1, 0xff),
3086 (MOVZX32rr8 (i8 (EXTRACT_SUBREG (MOV32to32_ GR32:$src1),
3087 x86_subreg_8bit)))>,
3088 Requires<[In32BitMode]>;
3089 // r & (2^8-1) ==> movz
3090 def : Pat<(and GR16:$src1, 0xff),
3091 (MOVZX16rr8 (i8 (EXTRACT_SUBREG (MOV16to16_ GR16:$src1),
3092 x86_subreg_8bit)))>,
3093 Requires<[In32BitMode]>;
3095 // sext_inreg patterns
3096 def : Pat<(sext_inreg GR32:$src, i16),
3097 (MOVSX32rr16 (i16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit)))>;
3098 def : Pat<(sext_inreg GR32:$src, i8),
3099 (MOVSX32rr8 (i8 (EXTRACT_SUBREG (MOV32to32_ GR32:$src),
3100 x86_subreg_8bit)))>,
3101 Requires<[In32BitMode]>;
3102 def : Pat<(sext_inreg GR16:$src, i8),
3103 (MOVSX16rr8 (i8 (EXTRACT_SUBREG (MOV16to16_ GR16:$src),
3104 x86_subreg_8bit)))>,
3105 Requires<[In32BitMode]>;
3108 def : Pat<(i16 (trunc GR32:$src)),
3109 (i16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
3110 def : Pat<(i8 (trunc GR32:$src)),
3111 (i8 (EXTRACT_SUBREG (MOV32to32_ GR32:$src), x86_subreg_8bit))>,
3112 Requires<[In32BitMode]>;
3113 def : Pat<(i8 (trunc GR16:$src)),
3114 (i8 (EXTRACT_SUBREG (MOV16to16_ GR16:$src), x86_subreg_8bit))>,
3115 Requires<[In32BitMode]>;
3117 // (shl x, 1) ==> (add x, x)
3118 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
3119 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
3120 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
3122 // (shl x (and y, 31)) ==> (shl x, y)
3123 def : Pat<(shl GR8:$src1, (and CL:$amt, 31)),
3124 (SHL8rCL GR8:$src1)>;
3125 def : Pat<(shl GR16:$src1, (and CL:$amt, 31)),
3126 (SHL16rCL GR16:$src1)>;
3127 def : Pat<(shl GR32:$src1, (and CL:$amt, 31)),
3128 (SHL32rCL GR32:$src1)>;
3129 def : Pat<(store (shl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3130 (SHL8mCL addr:$dst)>;
3131 def : Pat<(store (shl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3132 (SHL16mCL addr:$dst)>;
3133 def : Pat<(store (shl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3134 (SHL32mCL addr:$dst)>;
3136 def : Pat<(srl GR8:$src1, (and CL:$amt, 31)),
3137 (SHR8rCL GR8:$src1)>;
3138 def : Pat<(srl GR16:$src1, (and CL:$amt, 31)),
3139 (SHR16rCL GR16:$src1)>;
3140 def : Pat<(srl GR32:$src1, (and CL:$amt, 31)),
3141 (SHR32rCL GR32:$src1)>;
3142 def : Pat<(store (srl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3143 (SHR8mCL addr:$dst)>;
3144 def : Pat<(store (srl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3145 (SHR16mCL addr:$dst)>;
3146 def : Pat<(store (srl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3147 (SHR32mCL addr:$dst)>;
3149 def : Pat<(sra GR8:$src1, (and CL:$amt, 31)),
3150 (SAR8rCL GR8:$src1)>;
3151 def : Pat<(sra GR16:$src1, (and CL:$amt, 31)),
3152 (SAR16rCL GR16:$src1)>;
3153 def : Pat<(sra GR32:$src1, (and CL:$amt, 31)),
3154 (SAR32rCL GR32:$src1)>;
3155 def : Pat<(store (sra (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3156 (SAR8mCL addr:$dst)>;
3157 def : Pat<(store (sra (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3158 (SAR16mCL addr:$dst)>;
3159 def : Pat<(store (sra (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3160 (SAR32mCL addr:$dst)>;
3162 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
3163 def : Pat<(or (srl GR32:$src1, CL:$amt),
3164 (shl GR32:$src2, (sub 32, CL:$amt))),
3165 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3167 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
3168 (shl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3169 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3171 def : Pat<(or (srl GR32:$src1, (i8 (trunc ECX:$amt))),
3172 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3173 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3175 def : Pat<(store (or (srl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3176 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3178 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3180 def : Pat<(shrd GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3181 (SHRD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3183 def : Pat<(store (shrd (loadi32 addr:$dst), (i8 imm:$amt1),
3184 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3185 (SHRD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3187 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
3188 def : Pat<(or (shl GR32:$src1, CL:$amt),
3189 (srl GR32:$src2, (sub 32, CL:$amt))),
3190 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3192 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
3193 (srl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3194 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3196 def : Pat<(or (shl GR32:$src1, (i8 (trunc ECX:$amt))),
3197 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3198 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3200 def : Pat<(store (or (shl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3201 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3203 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3205 def : Pat<(shld GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3206 (SHLD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3208 def : Pat<(store (shld (loadi32 addr:$dst), (i8 imm:$amt1),
3209 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3210 (SHLD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3212 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
3213 def : Pat<(or (srl GR16:$src1, CL:$amt),
3214 (shl GR16:$src2, (sub 16, CL:$amt))),
3215 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3217 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
3218 (shl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3219 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3221 def : Pat<(or (srl GR16:$src1, (i8 (trunc CX:$amt))),
3222 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3223 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3225 def : Pat<(store (or (srl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3226 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3228 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3230 def : Pat<(shrd GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3231 (SHRD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3233 def : Pat<(store (shrd (loadi16 addr:$dst), (i8 imm:$amt1),
3234 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
3235 (SHRD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
3237 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
3238 def : Pat<(or (shl GR16:$src1, CL:$amt),
3239 (srl GR16:$src2, (sub 16, CL:$amt))),
3240 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
3242 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
3243 (srl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3244 (SHLD16mrCL addr:$dst, GR16:$src2)>;
3246 def : Pat<(or (shl GR16:$src1, (i8 (trunc CX:$amt))),
3247 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3248 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
3250 def : Pat<(store (or (shl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3251 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3253 (SHLD16mrCL addr:$dst, GR16:$src2)>;
3255 def : Pat<(shld GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3256 (SHLD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3258 def : Pat<(store (shld (loadi16 addr:$dst), (i8 imm:$amt1),
3259 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
3260 (SHLD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
3262 //===----------------------------------------------------------------------===//
3263 // Overflow Patterns
3264 //===----------------------------------------------------------------------===//
3266 // Register-Register Addition with Overflow
3267 def : Pat<(parallel (X86add_ovf GR8:$src1, GR8:$src2),
3269 (ADD8rr GR8:$src1, GR8:$src2)>;
3271 // Register-Register Addition with Overflow
3272 def : Pat<(parallel (X86add_ovf GR16:$src1, GR16:$src2),
3274 (ADD16rr GR16:$src1, GR16:$src2)>;
3275 def : Pat<(parallel (X86add_ovf GR32:$src1, GR32:$src2),
3277 (ADD32rr GR32:$src1, GR32:$src2)>;
3279 // Register-Memory Addition with Overflow
3280 def : Pat<(parallel (X86add_ovf GR8:$src1, (load addr:$src2)),
3282 (ADD8rm GR8:$src1, addr:$src2)>;
3283 def : Pat<(parallel (X86add_ovf GR16:$src1, (load addr:$src2)),
3285 (ADD16rm GR16:$src1, addr:$src2)>;
3286 def : Pat<(parallel (X86add_ovf GR32:$src1, (load addr:$src2)),
3288 (ADD32rm GR32:$src1, addr:$src2)>;
3290 // Register-Integer Addition with Overflow
3291 def : Pat<(parallel (X86add_ovf GR8:$src1, imm:$src2),
3293 (ADD8ri GR8:$src1, imm:$src2)>;
3295 // Register-Integer Addition with Overflow
3296 def : Pat<(parallel (X86add_ovf GR16:$src1, imm:$src2),
3298 (ADD16ri GR16:$src1, imm:$src2)>;
3299 def : Pat<(parallel (X86add_ovf GR32:$src1, imm:$src2),
3301 (ADD32ri GR32:$src1, imm:$src2)>;
3302 def : Pat<(parallel (X86add_ovf GR16:$src1, i16immSExt8:$src2),
3304 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
3305 def : Pat<(parallel (X86add_ovf GR32:$src1, i32immSExt8:$src2),
3307 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
3309 // Memory-Register Addition with Overflow
3310 def : Pat<(parallel (store (X86add_ovf (load addr:$dst), GR8:$src2),
3313 (ADD8mr addr:$dst, GR8:$src2)>;
3314 def : Pat<(parallel (store (X86add_ovf (load addr:$dst), GR16:$src2),
3317 (ADD16mr addr:$dst, GR16:$src2)>;
3318 def : Pat<(parallel (store (X86add_ovf (load addr:$dst), GR32:$src2),
3321 (ADD32mr addr:$dst, GR32:$src2)>;
3322 def : Pat<(parallel (store (X86add_ovf (loadi8 addr:$dst), imm:$src2),
3325 (ADD8mi addr:$dst, imm:$src2)>;
3326 def : Pat<(parallel (store (X86add_ovf (loadi16 addr:$dst), imm:$src2),
3329 (ADD16mi addr:$dst, imm:$src2)>;
3330 def : Pat<(parallel (store (X86add_ovf (loadi32 addr:$dst), imm:$src2),
3333 (ADD32mi addr:$dst, imm:$src2)>;
3334 def : Pat<(parallel (store (X86add_ovf (load addr:$dst), i16immSExt8:$src2),
3337 (ADD16mi8 addr:$dst, i16immSExt8:$src2)>;
3338 def : Pat<(parallel (store (X86add_ovf (load addr:$dst), i32immSExt8:$src2),
3341 (ADD32mi8 addr:$dst, i32immSExt8:$src2)>;
3343 // Register-Register Subtraction with Overflow
3344 def : Pat<(parallel (X86sub_ovf GR8:$src1, GR8:$src2),
3346 (SUB8rr GR8:$src1, GR8:$src2)>;
3347 def : Pat<(parallel (X86sub_ovf GR16:$src1, GR16:$src2),
3349 (SUB16rr GR16:$src1, GR16:$src2)>;
3350 def : Pat<(parallel (X86sub_ovf GR32:$src1, GR32:$src2),
3352 (SUB32rr GR32:$src1, GR32:$src2)>;
3354 // Register-Memory Subtraction with Overflow
3355 def : Pat<(parallel (X86sub_ovf GR8:$src1, (load addr:$src2)),
3357 (SUB8rm GR8:$src1, addr:$src2)>;
3358 def : Pat<(parallel (X86sub_ovf GR16:$src1, (load addr:$src2)),
3360 (SUB16rm GR16:$src1, addr:$src2)>;
3361 def : Pat<(parallel (X86sub_ovf GR32:$src1, (load addr:$src2)),
3363 (SUB32rm GR32:$src1, addr:$src2)>;
3365 // Register-Integer Subtraction with Overflow
3366 def : Pat<(parallel (X86sub_ovf GR8:$src1, imm:$src2),
3368 (SUB8ri GR8:$src1, imm:$src2)>;
3369 def : Pat<(parallel (X86sub_ovf GR16:$src1, imm:$src2),
3371 (SUB16ri GR16:$src1, imm:$src2)>;
3372 def : Pat<(parallel (X86sub_ovf GR32:$src1, imm:$src2),
3374 (SUB32ri GR32:$src1, imm:$src2)>;
3375 def : Pat<(parallel (X86sub_ovf GR16:$src1, i16immSExt8:$src2),
3377 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
3378 def : Pat<(parallel (X86sub_ovf GR32:$src1, i32immSExt8:$src2),
3380 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
3382 // Memory-Register Subtraction with Overflow
3383 def : Pat<(parallel (store (X86sub_ovf (load addr:$dst), GR8:$src2),
3386 (SUB8mr addr:$dst, GR8:$src2)>;
3387 def : Pat<(parallel (store (X86sub_ovf (load addr:$dst), GR16:$src2),
3390 (SUB16mr addr:$dst, GR16:$src2)>;
3391 def : Pat<(parallel (store (X86sub_ovf (load addr:$dst), GR32:$src2),
3394 (SUB32mr addr:$dst, GR32:$src2)>;
3396 // Memory-Integer Subtraction with Overflow
3397 def : Pat<(parallel (store (X86sub_ovf (loadi8 addr:$dst), imm:$src2),
3400 (SUB8mi addr:$dst, imm:$src2)>;
3401 def : Pat<(parallel (store (X86sub_ovf (loadi16 addr:$dst), imm:$src2),
3404 (SUB16mi addr:$dst, imm:$src2)>;
3405 def : Pat<(parallel (store (X86sub_ovf (loadi32 addr:$dst), imm:$src2),
3408 (SUB32mi addr:$dst, imm:$src2)>;
3409 def : Pat<(parallel (store (X86sub_ovf (load addr:$dst), i16immSExt8:$src2),
3412 (SUB16mi8 addr:$dst, i16immSExt8:$src2)>;
3413 def : Pat<(parallel (store (X86sub_ovf (load addr:$dst), i32immSExt8:$src2),
3416 (SUB32mi8 addr:$dst, i32immSExt8:$src2)>;
3419 // Register-Register Signed Integer Multiply with Overflow
3420 def : Pat<(parallel (X86smul_ovf GR16:$src1, GR16:$src2),
3422 (IMUL16rr GR16:$src1, GR16:$src2)>;
3423 def : Pat<(parallel (X86smul_ovf GR32:$src1, GR32:$src2),
3425 (IMUL32rr GR32:$src1, GR32:$src2)>;
3427 // Register-Memory Signed Integer Multiply with Overflow
3428 def : Pat<(parallel (X86smul_ovf GR16:$src1, (load addr:$src2)),
3430 (IMUL16rm GR16:$src1, addr:$src2)>;
3431 def : Pat<(parallel (X86smul_ovf GR32:$src1, (load addr:$src2)),
3433 (IMUL32rm GR32:$src1, addr:$src2)>;
3435 // Register-Integer Signed Integer Multiply with Overflow
3436 def : Pat<(parallel (X86smul_ovf GR16:$src1, imm:$src2),
3438 (IMUL16rri GR16:$src1, imm:$src2)>;
3439 def : Pat<(parallel (X86smul_ovf GR32:$src1, imm:$src2),
3441 (IMUL32rri GR32:$src1, imm:$src2)>;
3442 def : Pat<(parallel (X86smul_ovf GR16:$src1, i16immSExt8:$src2),
3444 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
3445 def : Pat<(parallel (X86smul_ovf GR32:$src1, i32immSExt8:$src2),
3447 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
3449 // Memory-Integer Signed Integer Multiply with Overflow
3450 def : Pat<(parallel (X86smul_ovf (load addr:$src1), imm:$src2),
3452 (IMUL16rmi addr:$src1, imm:$src2)>;
3453 def : Pat<(parallel (X86smul_ovf (load addr:$src1), imm:$src2),
3455 (IMUL32rmi addr:$src1, imm:$src2)>;
3456 def : Pat<(parallel (X86smul_ovf (load addr:$src1), i16immSExt8:$src2),
3458 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
3459 def : Pat<(parallel (X86smul_ovf (load addr:$src1), i32immSExt8:$src2),
3461 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
3463 //===----------------------------------------------------------------------===//
3464 // Floating Point Stack Support
3465 //===----------------------------------------------------------------------===//
3467 include "X86InstrFPStack.td"
3469 //===----------------------------------------------------------------------===//
3471 //===----------------------------------------------------------------------===//
3473 include "X86Instr64bit.td"
3475 //===----------------------------------------------------------------------===//
3476 // XMM Floating point support (requires SSE / SSE2)
3477 //===----------------------------------------------------------------------===//
3479 include "X86InstrSSE.td"
3481 //===----------------------------------------------------------------------===//
3482 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
3483 //===----------------------------------------------------------------------===//
3485 include "X86InstrMMX.td"