1 //===- X86InstrInfo.td - Describe the X86 Instruction Set --*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the X86 instruction set, defining the instructions, and
11 // properties of the instructions which are needed for code generation, machine
12 // code emission, and analysis.
14 //===----------------------------------------------------------------------===//
16 //===----------------------------------------------------------------------===//
17 // X86 specific DAG Nodes.
20 def SDTIntShiftDOp: SDTypeProfile<1, 3,
21 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
22 SDTCisInt<0>, SDTCisInt<3>]>;
24 def SDTX86CmpTest : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
26 def SDTX86Cmov : SDTypeProfile<1, 4,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>,
28 SDTCisVT<3, i8>, SDTCisVT<4, i32>]>;
30 def SDTUnaryArithOvf : SDTypeProfile<1, 1,
32 def SDTBinaryArithOvf : SDTypeProfile<1, 2,
33 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
36 def SDTX86BrCond : SDTypeProfile<0, 3,
37 [SDTCisVT<0, OtherVT>,
38 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
40 def SDTX86SetCC : SDTypeProfile<1, 2,
42 SDTCisVT<1, i8>, SDTCisVT<2, i32>]>;
44 def SDTX86cas : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisInt<1>,
46 def SDTX86cas8 : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
48 def SDTX86atomicBinary : SDTypeProfile<2, 3, [SDTCisInt<0>, SDTCisInt<1>,
49 SDTCisPtrTy<2>, SDTCisInt<3>,SDTCisInt<4>]>;
50 def SDTX86Ret : SDTypeProfile<0, -1, [SDTCisVT<0, i16>]>;
52 def SDT_X86CallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
53 def SDT_X86CallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>,
56 def SDT_X86Call : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>;
58 def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
60 def SDTX86RdTsc : SDTypeProfile<0, 0, []>;
62 def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
64 def SDT_X86TLSADDR : SDTypeProfile<1, 1, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
66 def SDT_X86TLSTP : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
68 def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
70 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
72 def X86bsf : SDNode<"X86ISD::BSF", SDTIntUnaryOp>;
73 def X86bsr : SDNode<"X86ISD::BSR", SDTIntUnaryOp>;
74 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
75 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
77 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest>;
79 def X86bt : SDNode<"X86ISD::BT", SDTX86CmpTest>;
81 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov>;
82 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
84 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC>;
86 def X86cas : SDNode<"X86ISD::LCMPXCHG_DAG", SDTX86cas,
87 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
89 def X86cas8 : SDNode<"X86ISD::LCMPXCHG8_DAG", SDTX86cas8,
90 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
92 def X86AtomAdd64 : SDNode<"X86ISD::ATOMADD64_DAG", SDTX86atomicBinary,
93 [SDNPHasChain, SDNPMayStore,
94 SDNPMayLoad, SDNPMemOperand]>;
95 def X86AtomSub64 : SDNode<"X86ISD::ATOMSUB64_DAG", SDTX86atomicBinary,
96 [SDNPHasChain, SDNPMayStore,
97 SDNPMayLoad, SDNPMemOperand]>;
98 def X86AtomOr64 : SDNode<"X86ISD::ATOMOR64_DAG", SDTX86atomicBinary,
99 [SDNPHasChain, SDNPMayStore,
100 SDNPMayLoad, SDNPMemOperand]>;
101 def X86AtomXor64 : SDNode<"X86ISD::ATOMXOR64_DAG", SDTX86atomicBinary,
102 [SDNPHasChain, SDNPMayStore,
103 SDNPMayLoad, SDNPMemOperand]>;
104 def X86AtomAnd64 : SDNode<"X86ISD::ATOMAND64_DAG", SDTX86atomicBinary,
105 [SDNPHasChain, SDNPMayStore,
106 SDNPMayLoad, SDNPMemOperand]>;
107 def X86AtomNand64 : SDNode<"X86ISD::ATOMNAND64_DAG", SDTX86atomicBinary,
108 [SDNPHasChain, SDNPMayStore,
109 SDNPMayLoad, SDNPMemOperand]>;
110 def X86AtomSwap64 : SDNode<"X86ISD::ATOMSWAP64_DAG", SDTX86atomicBinary,
111 [SDNPHasChain, SDNPMayStore,
112 SDNPMayLoad, SDNPMemOperand]>;
113 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
114 [SDNPHasChain, SDNPOptInFlag]>;
116 def X86callseq_start :
117 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
118 [SDNPHasChain, SDNPOutFlag]>;
120 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
121 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
123 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
124 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
126 def X86tailcall: SDNode<"X86ISD::TAILCALL", SDT_X86Call,
127 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
129 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
130 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore]>;
131 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
132 [SDNPHasChain, SDNPInFlag, SDNPOutFlag, SDNPMayStore,
135 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG",SDTX86RdTsc,
136 [SDNPHasChain, SDNPOutFlag, SDNPSideEffect]>;
138 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
139 def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>;
141 def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR,
142 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
143 def X86TLStp : SDNode<"X86ISD::THREAD_POINTER", SDT_X86TLSTP, []>;
145 def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
148 def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
149 [SDNPHasChain, SDNPOptInFlag]>;
151 def X86add_ovf : SDNode<"X86ISD::ADD", SDTBinaryArithOvf>;
152 def X86sub_ovf : SDNode<"X86ISD::SUB", SDTBinaryArithOvf>;
153 def X86smul_ovf : SDNode<"X86ISD::SMUL", SDTBinaryArithOvf>;
154 def X86umul_ovf : SDNode<"X86ISD::UMUL", SDTUnaryArithOvf>;
156 //===----------------------------------------------------------------------===//
157 // X86 Operand Definitions.
160 // *mem - Operand definitions for the funky X86 addressing mode operands.
162 class X86MemOperand<string printMethod> : Operand<iPTR> {
163 let PrintMethod = printMethod;
164 let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc, i32imm);
167 def i8mem : X86MemOperand<"printi8mem">;
168 def i16mem : X86MemOperand<"printi16mem">;
169 def i32mem : X86MemOperand<"printi32mem">;
170 def i64mem : X86MemOperand<"printi64mem">;
171 def i128mem : X86MemOperand<"printi128mem">;
172 def f32mem : X86MemOperand<"printf32mem">;
173 def f64mem : X86MemOperand<"printf64mem">;
174 def f80mem : X86MemOperand<"printf80mem">;
175 def f128mem : X86MemOperand<"printf128mem">;
177 def lea32mem : Operand<i32> {
178 let PrintMethod = "printi32mem";
179 let MIOperandInfo = (ops GR32, i8imm, GR32, i32imm);
182 def SSECC : Operand<i8> {
183 let PrintMethod = "printSSECC";
186 def piclabel: Operand<i32> {
187 let PrintMethod = "printPICLabel";
190 // A couple of more descriptive operand definitions.
191 // 16-bits but only 8 bits are significant.
192 def i16i8imm : Operand<i16>;
193 // 32-bits but only 8 bits are significant.
194 def i32i8imm : Operand<i32>;
196 // Branch targets have OtherVT type.
197 def brtarget : Operand<OtherVT>;
199 //===----------------------------------------------------------------------===//
200 // X86 Complex Pattern Definitions.
203 // Define X86 specific addressing mode.
204 def addr : ComplexPattern<iPTR, 4, "SelectAddr", [], []>;
205 def lea32addr : ComplexPattern<i32, 4, "SelectLEAAddr",
206 [add, mul, shl, or, frameindex], []>;
208 //===----------------------------------------------------------------------===//
209 // X86 Instruction Predicate Definitions.
210 def HasMMX : Predicate<"Subtarget->hasMMX()">;
211 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
212 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
213 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
214 def HasSSSE3 : Predicate<"Subtarget->hasSSSE3()">;
215 def HasSSE41 : Predicate<"Subtarget->hasSSE41()">;
216 def HasSSE42 : Predicate<"Subtarget->hasSSE42()">;
217 def FPStackf32 : Predicate<"!Subtarget->hasSSE1()">;
218 def FPStackf64 : Predicate<"!Subtarget->hasSSE2()">;
219 def In32BitMode : Predicate<"!Subtarget->is64Bit()">;
220 def In64BitMode : Predicate<"Subtarget->is64Bit()">;
221 def SmallCode : Predicate<"TM.getCodeModel() == CodeModel::Small">;
222 def NotSmallCode : Predicate<"TM.getCodeModel() != CodeModel::Small">;
223 def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
224 def OptForSpeed : Predicate<"!OptForSize">;
225 def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">;
227 //===----------------------------------------------------------------------===//
228 // X86 Instruction Format Definitions.
231 include "X86InstrFormats.td"
233 //===----------------------------------------------------------------------===//
234 // Pattern fragments...
237 // X86 specific condition code. These correspond to CondCode in
238 // X86InstrInfo.h. They must be kept in synch.
239 def X86_COND_A : PatLeaf<(i8 0)>; // alt. COND_NBE
240 def X86_COND_AE : PatLeaf<(i8 1)>; // alt. COND_NC
241 def X86_COND_B : PatLeaf<(i8 2)>; // alt. COND_C
242 def X86_COND_BE : PatLeaf<(i8 3)>; // alt. COND_NA
243 def X86_COND_E : PatLeaf<(i8 4)>; // alt. COND_Z
244 def X86_COND_G : PatLeaf<(i8 5)>; // alt. COND_NLE
245 def X86_COND_GE : PatLeaf<(i8 6)>; // alt. COND_NL
246 def X86_COND_L : PatLeaf<(i8 7)>; // alt. COND_NGE
247 def X86_COND_LE : PatLeaf<(i8 8)>; // alt. COND_NG
248 def X86_COND_NE : PatLeaf<(i8 9)>; // alt. COND_NZ
249 def X86_COND_NO : PatLeaf<(i8 10)>;
250 def X86_COND_NP : PatLeaf<(i8 11)>; // alt. COND_PO
251 def X86_COND_NS : PatLeaf<(i8 12)>;
252 def X86_COND_O : PatLeaf<(i8 13)>;
253 def X86_COND_P : PatLeaf<(i8 14)>; // alt. COND_PE
254 def X86_COND_S : PatLeaf<(i8 15)>;
256 def i16immSExt8 : PatLeaf<(i16 imm), [{
257 // i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
258 // sign extended field.
259 return (int16_t)N->getZExtValue() == (int8_t)N->getZExtValue();
262 def i32immSExt8 : PatLeaf<(i32 imm), [{
263 // i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
264 // sign extended field.
265 return (int32_t)N->getZExtValue() == (int8_t)N->getZExtValue();
268 // Helper fragments for loads.
269 // It's always safe to treat a anyext i16 load as a i32 load if the i16 is
270 // known to be 32-bit aligned or better. Ditto for i8 to i16.
271 def loadi16 : PatFrag<(ops node:$ptr), (i16 (unindexedload node:$ptr)), [{
272 LoadSDNode *LD = cast<LoadSDNode>(N);
273 ISD::LoadExtType ExtType = LD->getExtensionType();
274 if (ExtType == ISD::NON_EXTLOAD)
276 if (ExtType == ISD::EXTLOAD)
277 return LD->getAlignment() >= 2 && !LD->isVolatile();
281 def loadi16_anyext : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
282 LoadSDNode *LD = cast<LoadSDNode>(N);
283 ISD::LoadExtType ExtType = LD->getExtensionType();
284 if (ExtType == ISD::EXTLOAD)
285 return LD->getAlignment() >= 2 && !LD->isVolatile();
289 def loadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
290 LoadSDNode *LD = cast<LoadSDNode>(N);
291 ISD::LoadExtType ExtType = LD->getExtensionType();
292 if (ExtType == ISD::NON_EXTLOAD)
294 if (ExtType == ISD::EXTLOAD)
295 return LD->getAlignment() >= 4 && !LD->isVolatile();
299 def nvloadi32 : PatFrag<(ops node:$ptr), (i32 (unindexedload node:$ptr)), [{
300 LoadSDNode *LD = cast<LoadSDNode>(N);
301 if (LD->isVolatile())
303 ISD::LoadExtType ExtType = LD->getExtensionType();
304 if (ExtType == ISD::NON_EXTLOAD)
306 if (ExtType == ISD::EXTLOAD)
307 return LD->getAlignment() >= 4;
311 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
312 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr))>;
314 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
315 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
316 def loadf80 : PatFrag<(ops node:$ptr), (f80 (load node:$ptr))>;
318 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextloadi8 node:$ptr))>;
319 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextloadi8 node:$ptr))>;
320 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextloadi16 node:$ptr))>;
322 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextloadi1 node:$ptr))>;
323 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextloadi1 node:$ptr))>;
324 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextloadi1 node:$ptr))>;
325 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
326 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextloadi8 node:$ptr))>;
327 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextloadi16 node:$ptr))>;
329 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extloadi1 node:$ptr))>;
330 def extloadi16i1 : PatFrag<(ops node:$ptr), (i16 (extloadi1 node:$ptr))>;
331 def extloadi32i1 : PatFrag<(ops node:$ptr), (i32 (extloadi1 node:$ptr))>;
332 def extloadi16i8 : PatFrag<(ops node:$ptr), (i16 (extloadi8 node:$ptr))>;
333 def extloadi32i8 : PatFrag<(ops node:$ptr), (i32 (extloadi8 node:$ptr))>;
334 def extloadi32i16 : PatFrag<(ops node:$ptr), (i32 (extloadi16 node:$ptr))>;
337 // An 'and' node with a single use.
338 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
339 return N->hasOneUse();
342 // 'shld' and 'shrd' instruction patterns. Note that even though these have
343 // the srl and shl in their patterns, the C++ code must still check for them,
344 // because predicates are tested before children nodes are explored.
346 def shrd : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
347 (or (srl node:$src1, node:$amt1),
348 (shl node:$src2, node:$amt2)), [{
349 assert(N->getOpcode() == ISD::OR);
350 return N->getOperand(0).getOpcode() == ISD::SRL &&
351 N->getOperand(1).getOpcode() == ISD::SHL &&
352 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
353 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
354 N->getOperand(0).getConstantOperandVal(1) ==
355 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
358 def shld : PatFrag<(ops node:$src1, node:$amt1, node:$src2, node:$amt2),
359 (or (shl node:$src1, node:$amt1),
360 (srl node:$src2, node:$amt2)), [{
361 assert(N->getOpcode() == ISD::OR);
362 return N->getOperand(0).getOpcode() == ISD::SHL &&
363 N->getOperand(1).getOpcode() == ISD::SRL &&
364 isa<ConstantSDNode>(N->getOperand(0).getOperand(1)) &&
365 isa<ConstantSDNode>(N->getOperand(1).getOperand(1)) &&
366 N->getOperand(0).getConstantOperandVal(1) ==
367 N->getValueSizeInBits(0) - N->getOperand(1).getConstantOperandVal(1);
370 //===----------------------------------------------------------------------===//
371 // Instruction list...
374 // ADJCALLSTACKDOWN/UP implicitly use/def ESP because they may be expanded into
375 // a stack adjustment and the codegen must know that they may modify the stack
376 // pointer before prolog-epilog rewriting occurs.
377 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
378 // sub / add which can clobber EFLAGS.
379 let Defs = [ESP, EFLAGS], Uses = [ESP] in {
380 def ADJCALLSTACKDOWN32 : I<0, Pseudo, (outs), (ins i32imm:$amt),
382 [(X86callseq_start timm:$amt)]>,
383 Requires<[In32BitMode]>;
384 def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2),
386 [(X86callseq_end timm:$amt1, timm:$amt2)]>,
387 Requires<[In32BitMode]>;
391 let neverHasSideEffects = 1 in
392 def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>;
395 let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in
396 def MOVPC32r : Ii32<0xE8, Pseudo, (outs GR32:$reg), (ins piclabel:$label),
397 "call\t$label\n\tpop{l}\t$reg", []>;
399 //===----------------------------------------------------------------------===//
400 // Control Flow Instructions...
403 // Return instructions.
404 let isTerminator = 1, isReturn = 1, isBarrier = 1,
405 hasCtrlDep = 1, FPForm = SpecialFP, FPFormBits = SpecialFP.Value in {
406 def RET : I <0xC3, RawFrm, (outs), (ins variable_ops),
409 def RETI : Ii16<0xC2, RawFrm, (outs), (ins i16imm:$amt, variable_ops),
411 [(X86retflag imm:$amt)]>;
414 // All branches are RawFrm, Void, Branch, and Terminators
415 let isBranch = 1, isTerminator = 1 in
416 class IBr<bits<8> opcode, dag ins, string asm, list<dag> pattern> :
417 I<opcode, RawFrm, (outs), ins, asm, pattern>;
419 let isBranch = 1, isBarrier = 1 in
420 def JMP : IBr<0xE9, (ins brtarget:$dst), "jmp\t$dst", [(br bb:$dst)]>;
423 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
424 def JMP32r : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst",
425 [(brind GR32:$dst)]>;
426 def JMP32m : I<0xFF, MRM4m, (outs), (ins i32mem:$dst), "jmp{l}\t{*}$dst",
427 [(brind (loadi32 addr:$dst))]>;
430 // Conditional branches
431 let Uses = [EFLAGS] in {
432 def JE : IBr<0x84, (ins brtarget:$dst), "je\t$dst",
433 [(X86brcond bb:$dst, X86_COND_E, EFLAGS)]>, TB;
434 def JNE : IBr<0x85, (ins brtarget:$dst), "jne\t$dst",
435 [(X86brcond bb:$dst, X86_COND_NE, EFLAGS)]>, TB;
436 def JL : IBr<0x8C, (ins brtarget:$dst), "jl\t$dst",
437 [(X86brcond bb:$dst, X86_COND_L, EFLAGS)]>, TB;
438 def JLE : IBr<0x8E, (ins brtarget:$dst), "jle\t$dst",
439 [(X86brcond bb:$dst, X86_COND_LE, EFLAGS)]>, TB;
440 def JG : IBr<0x8F, (ins brtarget:$dst), "jg\t$dst",
441 [(X86brcond bb:$dst, X86_COND_G, EFLAGS)]>, TB;
442 def JGE : IBr<0x8D, (ins brtarget:$dst), "jge\t$dst",
443 [(X86brcond bb:$dst, X86_COND_GE, EFLAGS)]>, TB;
445 def JB : IBr<0x82, (ins brtarget:$dst), "jb\t$dst",
446 [(X86brcond bb:$dst, X86_COND_B, EFLAGS)]>, TB;
447 def JBE : IBr<0x86, (ins brtarget:$dst), "jbe\t$dst",
448 [(X86brcond bb:$dst, X86_COND_BE, EFLAGS)]>, TB;
449 def JA : IBr<0x87, (ins brtarget:$dst), "ja\t$dst",
450 [(X86brcond bb:$dst, X86_COND_A, EFLAGS)]>, TB;
451 def JAE : IBr<0x83, (ins brtarget:$dst), "jae\t$dst",
452 [(X86brcond bb:$dst, X86_COND_AE, EFLAGS)]>, TB;
454 def JS : IBr<0x88, (ins brtarget:$dst), "js\t$dst",
455 [(X86brcond bb:$dst, X86_COND_S, EFLAGS)]>, TB;
456 def JNS : IBr<0x89, (ins brtarget:$dst), "jns\t$dst",
457 [(X86brcond bb:$dst, X86_COND_NS, EFLAGS)]>, TB;
458 def JP : IBr<0x8A, (ins brtarget:$dst), "jp\t$dst",
459 [(X86brcond bb:$dst, X86_COND_P, EFLAGS)]>, TB;
460 def JNP : IBr<0x8B, (ins brtarget:$dst), "jnp\t$dst",
461 [(X86brcond bb:$dst, X86_COND_NP, EFLAGS)]>, TB;
462 def JO : IBr<0x80, (ins brtarget:$dst), "jo\t$dst",
463 [(X86brcond bb:$dst, X86_COND_O, EFLAGS)]>, TB;
464 def JNO : IBr<0x81, (ins brtarget:$dst), "jno\t$dst",
465 [(X86brcond bb:$dst, X86_COND_NO, EFLAGS)]>, TB;
468 //===----------------------------------------------------------------------===//
469 // Call Instructions...
472 // All calls clobber the non-callee saved registers. ESP is marked as
473 // a use to prevent stack-pointer assignments that appear immediately
474 // before calls from potentially appearing dead. Uses for argument
475 // registers are added manually.
476 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
477 MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7,
478 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
479 XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS],
481 def CALLpcrel32 : Ii32<0xE8, RawFrm, (outs), (ins i32imm:$dst,variable_ops),
482 "call\t${dst:call}", []>;
483 def CALL32r : I<0xFF, MRM2r, (outs), (ins GR32:$dst, variable_ops),
484 "call\t{*}$dst", [(X86call GR32:$dst)]>;
485 def CALL32m : I<0xFF, MRM2m, (outs), (ins i32mem:$dst, variable_ops),
486 "call\t{*}$dst", [(X86call (loadi32 addr:$dst))]>;
491 def TAILCALL : I<0, Pseudo, (outs), (ins),
495 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
496 def TCRETURNdi : I<0, Pseudo, (outs), (ins i32imm:$dst, i32imm:$offset, variable_ops),
497 "#TC_RETURN $dst $offset",
500 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
501 def TCRETURNri : I<0, Pseudo, (outs), (ins GR32:$dst, i32imm:$offset, variable_ops),
502 "#TC_RETURN $dst $offset",
505 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
507 def TAILJMPd : IBr<0xE9, (ins i32imm:$dst), "jmp\t${dst:call} # TAILCALL",
509 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
510 def TAILJMPr : I<0xFF, MRM4r, (outs), (ins GR32:$dst), "jmp{l}\t{*}$dst # TAILCALL",
512 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
513 def TAILJMPm : I<0xFF, MRM4m, (outs), (ins i32mem:$dst),
514 "jmp\t{*}$dst # TAILCALL", []>;
516 //===----------------------------------------------------------------------===//
517 // Miscellaneous Instructions...
519 let Defs = [EBP, ESP], Uses = [EBP, ESP], mayLoad = 1, neverHasSideEffects=1 in
520 def LEAVE : I<0xC9, RawFrm,
521 (outs), (ins), "leave", []>;
523 let Defs = [ESP], Uses = [ESP], neverHasSideEffects=1 in {
525 def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
528 def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
531 let Defs = [ESP, EFLAGS], Uses = [ESP], mayLoad = 1, neverHasSideEffects=1 in
532 def POPFD : I<0x9D, RawFrm, (outs), (ins), "popf", []>;
533 let Defs = [ESP], Uses = [ESP, EFLAGS], mayStore = 1, neverHasSideEffects=1 in
534 def PUSHFD : I<0x9C, RawFrm, (outs), (ins), "pushf", []>;
536 let isTwoAddress = 1 in // GR32 = bswap GR32
537 def BSWAP32r : I<0xC8, AddRegFrm,
538 (outs GR32:$dst), (ins GR32:$src),
540 [(set GR32:$dst, (bswap GR32:$src))]>, TB;
543 // Bit scan instructions.
544 let Defs = [EFLAGS] in {
545 def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
546 "bsf{w}\t{$src, $dst|$dst, $src}",
547 [(set GR16:$dst, (X86bsf GR16:$src)), (implicit EFLAGS)]>, TB;
548 def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
549 "bsf{w}\t{$src, $dst|$dst, $src}",
550 [(set GR16:$dst, (X86bsf (loadi16 addr:$src))),
551 (implicit EFLAGS)]>, TB;
552 def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
553 "bsf{l}\t{$src, $dst|$dst, $src}",
554 [(set GR32:$dst, (X86bsf GR32:$src)), (implicit EFLAGS)]>, TB;
555 def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
556 "bsf{l}\t{$src, $dst|$dst, $src}",
557 [(set GR32:$dst, (X86bsf (loadi32 addr:$src))),
558 (implicit EFLAGS)]>, TB;
560 def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src),
561 "bsr{w}\t{$src, $dst|$dst, $src}",
562 [(set GR16:$dst, (X86bsr GR16:$src)), (implicit EFLAGS)]>, TB;
563 def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
564 "bsr{w}\t{$src, $dst|$dst, $src}",
565 [(set GR16:$dst, (X86bsr (loadi16 addr:$src))),
566 (implicit EFLAGS)]>, TB;
567 def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
568 "bsr{l}\t{$src, $dst|$dst, $src}",
569 [(set GR32:$dst, (X86bsr GR32:$src)), (implicit EFLAGS)]>, TB;
570 def BSR32rm : I<0xBD, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
571 "bsr{l}\t{$src, $dst|$dst, $src}",
572 [(set GR32:$dst, (X86bsr (loadi32 addr:$src))),
573 (implicit EFLAGS)]>, TB;
576 let neverHasSideEffects = 1 in
577 def LEA16r : I<0x8D, MRMSrcMem,
578 (outs GR16:$dst), (ins i32mem:$src),
579 "lea{w}\t{$src|$dst}, {$dst|$src}", []>, OpSize;
580 let isReMaterializable = 1 in
581 def LEA32r : I<0x8D, MRMSrcMem,
582 (outs GR32:$dst), (ins lea32mem:$src),
583 "lea{l}\t{$src|$dst}, {$dst|$src}",
584 [(set GR32:$dst, lea32addr:$src)]>, Requires<[In32BitMode]>;
586 let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI] in {
587 def REP_MOVSB : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}",
588 [(X86rep_movs i8)]>, REP;
589 def REP_MOVSW : I<0xA5, RawFrm, (outs), (ins), "{rep;movsw|rep movsw}",
590 [(X86rep_movs i16)]>, REP, OpSize;
591 def REP_MOVSD : I<0xA5, RawFrm, (outs), (ins), "{rep;movsl|rep movsd}",
592 [(X86rep_movs i32)]>, REP;
595 let Defs = [ECX,EDI], Uses = [AL,ECX,EDI] in
596 def REP_STOSB : I<0xAA, RawFrm, (outs), (ins), "{rep;stosb|rep stosb}",
597 [(X86rep_stos i8)]>, REP;
598 let Defs = [ECX,EDI], Uses = [AX,ECX,EDI] in
599 def REP_STOSW : I<0xAB, RawFrm, (outs), (ins), "{rep;stosw|rep stosw}",
600 [(X86rep_stos i16)]>, REP, OpSize;
601 let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI] in
602 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
603 [(X86rep_stos i32)]>, REP;
605 let Defs = [RAX, RDX] in
606 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
609 let isBarrier = 1, hasCtrlDep = 1 in {
610 def TRAP : I<0x0B, RawFrm, (outs), (ins), "ud2", [(trap)]>, TB;
613 //===----------------------------------------------------------------------===//
614 // Input/Output Instructions...
616 let Defs = [AL], Uses = [DX] in
617 def IN8rr : I<0xEC, RawFrm, (outs), (ins),
618 "in{b}\t{%dx, %al|%AL, %DX}", []>;
619 let Defs = [AX], Uses = [DX] in
620 def IN16rr : I<0xED, RawFrm, (outs), (ins),
621 "in{w}\t{%dx, %ax|%AX, %DX}", []>, OpSize;
622 let Defs = [EAX], Uses = [DX] in
623 def IN32rr : I<0xED, RawFrm, (outs), (ins),
624 "in{l}\t{%dx, %eax|%EAX, %DX}", []>;
627 def IN8ri : Ii8<0xE4, RawFrm, (outs), (ins i16i8imm:$port),
628 "in{b}\t{$port, %al|%AL, $port}", []>;
630 def IN16ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
631 "in{w}\t{$port, %ax|%AX, $port}", []>, OpSize;
633 def IN32ri : Ii8<0xE5, RawFrm, (outs), (ins i16i8imm:$port),
634 "in{l}\t{$port, %eax|%EAX, $port}", []>;
636 let Uses = [DX, AL] in
637 def OUT8rr : I<0xEE, RawFrm, (outs), (ins),
638 "out{b}\t{%al, %dx|%DX, %AL}", []>;
639 let Uses = [DX, AX] in
640 def OUT16rr : I<0xEF, RawFrm, (outs), (ins),
641 "out{w}\t{%ax, %dx|%DX, %AX}", []>, OpSize;
642 let Uses = [DX, EAX] in
643 def OUT32rr : I<0xEF, RawFrm, (outs), (ins),
644 "out{l}\t{%eax, %dx|%DX, %EAX}", []>;
647 def OUT8ir : Ii8<0xE6, RawFrm, (outs), (ins i16i8imm:$port),
648 "out{b}\t{%al, $port|$port, %AL}", []>;
650 def OUT16ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
651 "out{w}\t{%ax, $port|$port, %AX}", []>, OpSize;
653 def OUT32ir : Ii8<0xE7, RawFrm, (outs), (ins i16i8imm:$port),
654 "out{l}\t{%eax, $port|$port, %EAX}", []>;
656 //===----------------------------------------------------------------------===//
657 // Move Instructions...
659 let neverHasSideEffects = 1 in {
660 def MOV8rr : I<0x88, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src),
661 "mov{b}\t{$src, $dst|$dst, $src}", []>;
662 def MOV16rr : I<0x89, MRMDestReg, (outs GR16:$dst), (ins GR16:$src),
663 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
664 def MOV32rr : I<0x89, MRMDestReg, (outs GR32:$dst), (ins GR32:$src),
665 "mov{l}\t{$src, $dst|$dst, $src}", []>;
667 let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
668 def MOV8ri : Ii8 <0xB0, AddRegFrm, (outs GR8 :$dst), (ins i8imm :$src),
669 "mov{b}\t{$src, $dst|$dst, $src}",
670 [(set GR8:$dst, imm:$src)]>;
671 def MOV16ri : Ii16<0xB8, AddRegFrm, (outs GR16:$dst), (ins i16imm:$src),
672 "mov{w}\t{$src, $dst|$dst, $src}",
673 [(set GR16:$dst, imm:$src)]>, OpSize;
674 def MOV32ri : Ii32<0xB8, AddRegFrm, (outs GR32:$dst), (ins i32imm:$src),
675 "mov{l}\t{$src, $dst|$dst, $src}",
676 [(set GR32:$dst, imm:$src)]>;
678 def MOV8mi : Ii8 <0xC6, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src),
679 "mov{b}\t{$src, $dst|$dst, $src}",
680 [(store (i8 imm:$src), addr:$dst)]>;
681 def MOV16mi : Ii16<0xC7, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src),
682 "mov{w}\t{$src, $dst|$dst, $src}",
683 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
684 def MOV32mi : Ii32<0xC7, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src),
685 "mov{l}\t{$src, $dst|$dst, $src}",
686 [(store (i32 imm:$src), addr:$dst)]>;
688 let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in {
689 def MOV8rm : I<0x8A, MRMSrcMem, (outs GR8 :$dst), (ins i8mem :$src),
690 "mov{b}\t{$src, $dst|$dst, $src}",
691 [(set GR8:$dst, (load addr:$src))]>;
692 def MOV16rm : I<0x8B, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src),
693 "mov{w}\t{$src, $dst|$dst, $src}",
694 [(set GR16:$dst, (load addr:$src))]>, OpSize;
695 def MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src),
696 "mov{l}\t{$src, $dst|$dst, $src}",
697 [(set GR32:$dst, (load addr:$src))]>;
700 def MOV8mr : I<0x88, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src),
701 "mov{b}\t{$src, $dst|$dst, $src}",
702 [(store GR8:$src, addr:$dst)]>;
703 def MOV16mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
704 "mov{w}\t{$src, $dst|$dst, $src}",
705 [(store GR16:$src, addr:$dst)]>, OpSize;
706 def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
707 "mov{l}\t{$src, $dst|$dst, $src}",
708 [(store GR32:$src, addr:$dst)]>;
710 //===----------------------------------------------------------------------===//
711 // Fixed-Register Multiplication and Division Instructions...
714 // Extra precision multiplication
715 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
716 def MUL8r : I<0xF6, MRM4r, (outs), (ins GR8:$src), "mul{b}\t$src",
717 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
718 // This probably ought to be moved to a def : Pat<> if the
719 // syntax can be accepted.
720 [(set AL, (mul AL, GR8:$src)),
721 (implicit EFLAGS)]>; // AL,AH = AL*GR8
723 let Defs = [AX,DX,EFLAGS], Uses = [AX], neverHasSideEffects = 1 in
724 def MUL16r : I<0xF7, MRM4r, (outs), (ins GR16:$src),
726 []>, OpSize; // AX,DX = AX*GR16
728 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX], neverHasSideEffects = 1 in
729 def MUL32r : I<0xF7, MRM4r, (outs), (ins GR32:$src),
731 []>; // EAX,EDX = EAX*GR32
733 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
734 def MUL8m : I<0xF6, MRM4m, (outs), (ins i8mem :$src),
736 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
737 // This probably ought to be moved to a def : Pat<> if the
738 // syntax can be accepted.
739 [(set AL, (mul AL, (loadi8 addr:$src))),
740 (implicit EFLAGS)]>; // AL,AH = AL*[mem8]
742 let mayLoad = 1, neverHasSideEffects = 1 in {
743 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
744 def MUL16m : I<0xF7, MRM4m, (outs), (ins i16mem:$src),
746 []>, OpSize; // AX,DX = AX*[mem16]
748 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
749 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
751 []>; // EAX,EDX = EAX*[mem32]
754 let neverHasSideEffects = 1 in {
755 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
756 def IMUL8r : I<0xF6, MRM5r, (outs), (ins GR8:$src), "imul{b}\t$src", []>;
758 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
759 def IMUL16r : I<0xF7, MRM5r, (outs), (ins GR16:$src), "imul{w}\t$src", []>,
760 OpSize; // AX,DX = AX*GR16
761 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
762 def IMUL32r : I<0xF7, MRM5r, (outs), (ins GR32:$src), "imul{l}\t$src", []>;
763 // EAX,EDX = EAX*GR32
765 let Defs = [AL,AH,EFLAGS], Uses = [AL] in
766 def IMUL8m : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
767 "imul{b}\t$src", []>; // AL,AH = AL*[mem8]
768 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
769 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
770 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
771 let Defs = [EAX,EDX], Uses = [EAX] in
772 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
773 "imul{l}\t$src", []>; // EAX,EDX = EAX*[mem32]
775 } // neverHasSideEffects
777 // unsigned division/remainder
778 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
779 def DIV8r : I<0xF6, MRM6r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
781 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
782 def DIV16r : I<0xF7, MRM6r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
783 "div{w}\t$src", []>, OpSize;
784 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
785 def DIV32r : I<0xF7, MRM6r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
788 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
789 def DIV8m : I<0xF6, MRM6m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
791 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
792 def DIV16m : I<0xF7, MRM6m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
793 "div{w}\t$src", []>, OpSize;
794 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
795 def DIV32m : I<0xF7, MRM6m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
799 // Signed division/remainder.
800 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
801 def IDIV8r : I<0xF6, MRM7r, (outs), (ins GR8:$src), // AX/r8 = AL,AH
802 "idiv{b}\t$src", []>;
803 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
804 def IDIV16r: I<0xF7, MRM7r, (outs), (ins GR16:$src), // DX:AX/r16 = AX,DX
805 "idiv{w}\t$src", []>, OpSize;
806 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
807 def IDIV32r: I<0xF7, MRM7r, (outs), (ins GR32:$src), // EDX:EAX/r32 = EAX,EDX
808 "idiv{l}\t$src", []>;
809 let mayLoad = 1, mayLoad = 1 in {
810 let Defs = [AL,AH,EFLAGS], Uses = [AX] in
811 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src), // AX/[mem8] = AL,AH
812 "idiv{b}\t$src", []>;
813 let Defs = [AX,DX,EFLAGS], Uses = [AX,DX] in
814 def IDIV16m: I<0xF7, MRM7m, (outs), (ins i16mem:$src), // DX:AX/[mem16] = AX,DX
815 "idiv{w}\t$src", []>, OpSize;
816 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX,EDX] in
817 def IDIV32m: I<0xF7, MRM7m, (outs), (ins i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
818 "idiv{l}\t$src", []>;
821 //===----------------------------------------------------------------------===//
822 // Two address Instructions.
824 let isTwoAddress = 1 in {
827 let Uses = [EFLAGS] in {
828 let isCommutable = 1 in {
829 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, GR16 = GR16
830 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
831 "cmovb\t{$src2, $dst|$dst, $src2}",
832 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
833 X86_COND_B, EFLAGS))]>,
835 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, GR32 = GR32
836 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
837 "cmovb\t{$src2, $dst|$dst, $src2}",
838 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
839 X86_COND_B, EFLAGS))]>,
842 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, GR16 = GR16
843 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
844 "cmovae\t{$src2, $dst|$dst, $src2}",
845 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
846 X86_COND_AE, EFLAGS))]>,
848 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, GR32 = GR32
849 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
850 "cmovae\t{$src2, $dst|$dst, $src2}",
851 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
852 X86_COND_AE, EFLAGS))]>,
854 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, GR16 = GR16
855 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
856 "cmove\t{$src2, $dst|$dst, $src2}",
857 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
858 X86_COND_E, EFLAGS))]>,
860 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, GR32 = GR32
861 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
862 "cmove\t{$src2, $dst|$dst, $src2}",
863 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
864 X86_COND_E, EFLAGS))]>,
866 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, GR16 = GR16
867 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
868 "cmovne\t{$src2, $dst|$dst, $src2}",
869 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
870 X86_COND_NE, EFLAGS))]>,
872 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, GR32 = GR32
873 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
874 "cmovne\t{$src2, $dst|$dst, $src2}",
875 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
876 X86_COND_NE, EFLAGS))]>,
878 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, GR16 = GR16
879 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
880 "cmovbe\t{$src2, $dst|$dst, $src2}",
881 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
882 X86_COND_BE, EFLAGS))]>,
884 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, GR32 = GR32
885 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
886 "cmovbe\t{$src2, $dst|$dst, $src2}",
887 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
888 X86_COND_BE, EFLAGS))]>,
890 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, GR16 = GR16
891 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
892 "cmova\t{$src2, $dst|$dst, $src2}",
893 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
894 X86_COND_A, EFLAGS))]>,
896 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, GR32 = GR32
897 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
898 "cmova\t{$src2, $dst|$dst, $src2}",
899 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
900 X86_COND_A, EFLAGS))]>,
902 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, GR16 = GR16
903 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
904 "cmovl\t{$src2, $dst|$dst, $src2}",
905 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
906 X86_COND_L, EFLAGS))]>,
908 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, GR32 = GR32
909 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
910 "cmovl\t{$src2, $dst|$dst, $src2}",
911 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
912 X86_COND_L, EFLAGS))]>,
914 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, GR16 = GR16
915 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
916 "cmovge\t{$src2, $dst|$dst, $src2}",
917 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
918 X86_COND_GE, EFLAGS))]>,
920 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, GR32 = GR32
921 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
922 "cmovge\t{$src2, $dst|$dst, $src2}",
923 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
924 X86_COND_GE, EFLAGS))]>,
926 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, GR16 = GR16
927 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
928 "cmovle\t{$src2, $dst|$dst, $src2}",
929 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
930 X86_COND_LE, EFLAGS))]>,
932 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, GR32 = GR32
933 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
934 "cmovle\t{$src2, $dst|$dst, $src2}",
935 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
936 X86_COND_LE, EFLAGS))]>,
938 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, GR16 = GR16
939 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
940 "cmovg\t{$src2, $dst|$dst, $src2}",
941 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
942 X86_COND_G, EFLAGS))]>,
944 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, GR32 = GR32
945 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
946 "cmovg\t{$src2, $dst|$dst, $src2}",
947 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
948 X86_COND_G, EFLAGS))]>,
950 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, GR16 = GR16
951 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
952 "cmovs\t{$src2, $dst|$dst, $src2}",
953 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
954 X86_COND_S, EFLAGS))]>,
956 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, GR32 = GR32
957 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
958 "cmovs\t{$src2, $dst|$dst, $src2}",
959 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
960 X86_COND_S, EFLAGS))]>,
962 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, GR16 = GR16
963 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
964 "cmovns\t{$src2, $dst|$dst, $src2}",
965 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
966 X86_COND_NS, EFLAGS))]>,
968 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, GR32 = GR32
969 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
970 "cmovns\t{$src2, $dst|$dst, $src2}",
971 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
972 X86_COND_NS, EFLAGS))]>,
974 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, GR16 = GR16
975 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
976 "cmovp\t{$src2, $dst|$dst, $src2}",
977 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
978 X86_COND_P, EFLAGS))]>,
980 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, GR32 = GR32
981 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
982 "cmovp\t{$src2, $dst|$dst, $src2}",
983 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
984 X86_COND_P, EFLAGS))]>,
986 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, GR16 = GR16
987 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
988 "cmovnp\t{$src2, $dst|$dst, $src2}",
989 [(set GR16:$dst, (X86cmov GR16:$src1, GR16:$src2,
990 X86_COND_NP, EFLAGS))]>,
992 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, GR32 = GR32
993 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
994 "cmovnp\t{$src2, $dst|$dst, $src2}",
995 [(set GR32:$dst, (X86cmov GR32:$src1, GR32:$src2,
996 X86_COND_NP, EFLAGS))]>,
998 } // isCommutable = 1
1000 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, GR32 = [mem32]
1001 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1002 "cmovnp\t{$src2, $dst|$dst, $src2}",
1003 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1004 X86_COND_NP, EFLAGS))]>,
1007 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, GR16 = [mem16]
1008 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1009 "cmovb\t{$src2, $dst|$dst, $src2}",
1010 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1011 X86_COND_B, EFLAGS))]>,
1013 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, GR32 = [mem32]
1014 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1015 "cmovb\t{$src2, $dst|$dst, $src2}",
1016 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1017 X86_COND_B, EFLAGS))]>,
1019 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, GR16 = [mem16]
1020 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1021 "cmovae\t{$src2, $dst|$dst, $src2}",
1022 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1023 X86_COND_AE, EFLAGS))]>,
1025 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, GR32 = [mem32]
1026 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1027 "cmovae\t{$src2, $dst|$dst, $src2}",
1028 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1029 X86_COND_AE, EFLAGS))]>,
1031 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, GR16 = [mem16]
1032 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1033 "cmove\t{$src2, $dst|$dst, $src2}",
1034 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1035 X86_COND_E, EFLAGS))]>,
1037 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, GR32 = [mem32]
1038 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1039 "cmove\t{$src2, $dst|$dst, $src2}",
1040 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1041 X86_COND_E, EFLAGS))]>,
1043 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, GR16 = [mem16]
1044 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1045 "cmovne\t{$src2, $dst|$dst, $src2}",
1046 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1047 X86_COND_NE, EFLAGS))]>,
1049 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, GR32 = [mem32]
1050 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1051 "cmovne\t{$src2, $dst|$dst, $src2}",
1052 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1053 X86_COND_NE, EFLAGS))]>,
1055 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, GR16 = [mem16]
1056 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1057 "cmovbe\t{$src2, $dst|$dst, $src2}",
1058 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1059 X86_COND_BE, EFLAGS))]>,
1061 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, GR32 = [mem32]
1062 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1063 "cmovbe\t{$src2, $dst|$dst, $src2}",
1064 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1065 X86_COND_BE, EFLAGS))]>,
1067 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, GR16 = [mem16]
1068 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1069 "cmova\t{$src2, $dst|$dst, $src2}",
1070 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1071 X86_COND_A, EFLAGS))]>,
1073 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, GR32 = [mem32]
1074 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1075 "cmova\t{$src2, $dst|$dst, $src2}",
1076 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1077 X86_COND_A, EFLAGS))]>,
1079 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, GR16 = [mem16]
1080 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1081 "cmovl\t{$src2, $dst|$dst, $src2}",
1082 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1083 X86_COND_L, EFLAGS))]>,
1085 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, GR32 = [mem32]
1086 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1087 "cmovl\t{$src2, $dst|$dst, $src2}",
1088 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1089 X86_COND_L, EFLAGS))]>,
1091 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, GR16 = [mem16]
1092 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1093 "cmovge\t{$src2, $dst|$dst, $src2}",
1094 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1095 X86_COND_GE, EFLAGS))]>,
1097 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, GR32 = [mem32]
1098 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1099 "cmovge\t{$src2, $dst|$dst, $src2}",
1100 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1101 X86_COND_GE, EFLAGS))]>,
1103 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, GR16 = [mem16]
1104 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1105 "cmovle\t{$src2, $dst|$dst, $src2}",
1106 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1107 X86_COND_LE, EFLAGS))]>,
1109 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, GR32 = [mem32]
1110 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1111 "cmovle\t{$src2, $dst|$dst, $src2}",
1112 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1113 X86_COND_LE, EFLAGS))]>,
1115 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, GR16 = [mem16]
1116 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1117 "cmovg\t{$src2, $dst|$dst, $src2}",
1118 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1119 X86_COND_G, EFLAGS))]>,
1121 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, GR32 = [mem32]
1122 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1123 "cmovg\t{$src2, $dst|$dst, $src2}",
1124 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1125 X86_COND_G, EFLAGS))]>,
1127 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, GR16 = [mem16]
1128 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1129 "cmovs\t{$src2, $dst|$dst, $src2}",
1130 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1131 X86_COND_S, EFLAGS))]>,
1133 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, GR32 = [mem32]
1134 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1135 "cmovs\t{$src2, $dst|$dst, $src2}",
1136 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1137 X86_COND_S, EFLAGS))]>,
1139 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, GR16 = [mem16]
1140 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1141 "cmovns\t{$src2, $dst|$dst, $src2}",
1142 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1143 X86_COND_NS, EFLAGS))]>,
1145 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, GR32 = [mem32]
1146 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1147 "cmovns\t{$src2, $dst|$dst, $src2}",
1148 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1149 X86_COND_NS, EFLAGS))]>,
1151 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, GR16 = [mem16]
1152 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1153 "cmovp\t{$src2, $dst|$dst, $src2}",
1154 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1155 X86_COND_P, EFLAGS))]>,
1157 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, GR32 = [mem32]
1158 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1159 "cmovp\t{$src2, $dst|$dst, $src2}",
1160 [(set GR32:$dst, (X86cmov GR32:$src1, (loadi32 addr:$src2),
1161 X86_COND_P, EFLAGS))]>,
1163 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, GR16 = [mem16]
1164 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1165 "cmovnp\t{$src2, $dst|$dst, $src2}",
1166 [(set GR16:$dst, (X86cmov GR16:$src1, (loadi16 addr:$src2),
1167 X86_COND_NP, EFLAGS))]>,
1169 } // Uses = [EFLAGS]
1172 // unary instructions
1173 let CodeSize = 2 in {
1174 let Defs = [EFLAGS] in {
1175 def NEG8r : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src), "neg{b}\t$dst",
1176 [(set GR8:$dst, (ineg GR8:$src))]>;
1177 def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src), "neg{w}\t$dst",
1178 [(set GR16:$dst, (ineg GR16:$src))]>, OpSize;
1179 def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src), "neg{l}\t$dst",
1180 [(set GR32:$dst, (ineg GR32:$src))]>;
1181 let isTwoAddress = 0 in {
1182 def NEG8m : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), "neg{b}\t$dst",
1183 [(store (ineg (loadi8 addr:$dst)), addr:$dst)]>;
1184 def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), "neg{w}\t$dst",
1185 [(store (ineg (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1186 def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), "neg{l}\t$dst",
1187 [(store (ineg (loadi32 addr:$dst)), addr:$dst)]>;
1190 } // Defs = [EFLAGS]
1192 def NOT8r : I<0xF6, MRM2r, (outs GR8 :$dst), (ins GR8 :$src), "not{b}\t$dst",
1193 [(set GR8:$dst, (not GR8:$src))]>;
1194 def NOT16r : I<0xF7, MRM2r, (outs GR16:$dst), (ins GR16:$src), "not{w}\t$dst",
1195 [(set GR16:$dst, (not GR16:$src))]>, OpSize;
1196 def NOT32r : I<0xF7, MRM2r, (outs GR32:$dst), (ins GR32:$src), "not{l}\t$dst",
1197 [(set GR32:$dst, (not GR32:$src))]>;
1198 let isTwoAddress = 0 in {
1199 def NOT8m : I<0xF6, MRM2m, (outs), (ins i8mem :$dst), "not{b}\t$dst",
1200 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1201 def NOT16m : I<0xF7, MRM2m, (outs), (ins i16mem:$dst), "not{w}\t$dst",
1202 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1203 def NOT32m : I<0xF7, MRM2m, (outs), (ins i32mem:$dst), "not{l}\t$dst",
1204 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1208 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1209 let Defs = [EFLAGS] in {
1211 def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
1212 [(set GR8:$dst, (add GR8:$src, 1))]>;
1213 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1214 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "inc{w}\t$dst",
1215 [(set GR16:$dst, (add GR16:$src, 1))]>,
1216 OpSize, Requires<[In32BitMode]>;
1217 def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "inc{l}\t$dst",
1218 [(set GR32:$dst, (add GR32:$src, 1))]>, Requires<[In32BitMode]>;
1220 let isTwoAddress = 0, CodeSize = 2 in {
1221 def INC8m : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t$dst",
1222 [(store (add (loadi8 addr:$dst), 1), addr:$dst)]>;
1223 def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t$dst",
1224 [(store (add (loadi16 addr:$dst), 1), addr:$dst)]>,
1225 OpSize, Requires<[In32BitMode]>;
1226 def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t$dst",
1227 [(store (add (loadi32 addr:$dst), 1), addr:$dst)]>,
1228 Requires<[In32BitMode]>;
1232 def DEC8r : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src), "dec{b}\t$dst",
1233 [(set GR8:$dst, (add GR8:$src, -1))]>;
1234 let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
1235 def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), "dec{w}\t$dst",
1236 [(set GR16:$dst, (add GR16:$src, -1))]>,
1237 OpSize, Requires<[In32BitMode]>;
1238 def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), "dec{l}\t$dst",
1239 [(set GR32:$dst, (add GR32:$src, -1))]>, Requires<[In32BitMode]>;
1242 let isTwoAddress = 0, CodeSize = 2 in {
1243 def DEC8m : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t$dst",
1244 [(store (add (loadi8 addr:$dst), -1), addr:$dst)]>;
1245 def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t$dst",
1246 [(store (add (loadi16 addr:$dst), -1), addr:$dst)]>,
1247 OpSize, Requires<[In32BitMode]>;
1248 def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t$dst",
1249 [(store (add (loadi32 addr:$dst), -1), addr:$dst)]>,
1250 Requires<[In32BitMode]>;
1252 } // Defs = [EFLAGS]
1254 // Logical operators...
1255 let Defs = [EFLAGS] in {
1256 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1257 def AND8rr : I<0x20, MRMDestReg,
1258 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1259 "and{b}\t{$src2, $dst|$dst, $src2}",
1260 [(set GR8:$dst, (and GR8:$src1, GR8:$src2))]>;
1261 def AND16rr : I<0x21, MRMDestReg,
1262 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1263 "and{w}\t{$src2, $dst|$dst, $src2}",
1264 [(set GR16:$dst, (and GR16:$src1, GR16:$src2))]>, OpSize;
1265 def AND32rr : I<0x21, MRMDestReg,
1266 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1267 "and{l}\t{$src2, $dst|$dst, $src2}",
1268 [(set GR32:$dst, (and GR32:$src1, GR32:$src2))]>;
1271 def AND8rm : I<0x22, MRMSrcMem,
1272 (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1273 "and{b}\t{$src2, $dst|$dst, $src2}",
1274 [(set GR8:$dst, (and GR8:$src1, (load addr:$src2)))]>;
1275 def AND16rm : I<0x23, MRMSrcMem,
1276 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1277 "and{w}\t{$src2, $dst|$dst, $src2}",
1278 [(set GR16:$dst, (and GR16:$src1, (load addr:$src2)))]>, OpSize;
1279 def AND32rm : I<0x23, MRMSrcMem,
1280 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1281 "and{l}\t{$src2, $dst|$dst, $src2}",
1282 [(set GR32:$dst, (and GR32:$src1, (load addr:$src2)))]>;
1284 def AND8ri : Ii8<0x80, MRM4r,
1285 (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
1286 "and{b}\t{$src2, $dst|$dst, $src2}",
1287 [(set GR8:$dst, (and GR8:$src1, imm:$src2))]>;
1288 def AND16ri : Ii16<0x81, MRM4r,
1289 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1290 "and{w}\t{$src2, $dst|$dst, $src2}",
1291 [(set GR16:$dst, (and GR16:$src1, imm:$src2))]>, OpSize;
1292 def AND32ri : Ii32<0x81, MRM4r,
1293 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1294 "and{l}\t{$src2, $dst|$dst, $src2}",
1295 [(set GR32:$dst, (and GR32:$src1, imm:$src2))]>;
1296 def AND16ri8 : Ii8<0x83, MRM4r,
1297 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1298 "and{w}\t{$src2, $dst|$dst, $src2}",
1299 [(set GR16:$dst, (and GR16:$src1, i16immSExt8:$src2))]>,
1301 def AND32ri8 : Ii8<0x83, MRM4r,
1302 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1303 "and{l}\t{$src2, $dst|$dst, $src2}",
1304 [(set GR32:$dst, (and GR32:$src1, i32immSExt8:$src2))]>;
1306 let isTwoAddress = 0 in {
1307 def AND8mr : I<0x20, MRMDestMem,
1308 (outs), (ins i8mem :$dst, GR8 :$src),
1309 "and{b}\t{$src, $dst|$dst, $src}",
1310 [(store (and (load addr:$dst), GR8:$src), addr:$dst)]>;
1311 def AND16mr : I<0x21, MRMDestMem,
1312 (outs), (ins i16mem:$dst, GR16:$src),
1313 "and{w}\t{$src, $dst|$dst, $src}",
1314 [(store (and (load addr:$dst), GR16:$src), addr:$dst)]>,
1316 def AND32mr : I<0x21, MRMDestMem,
1317 (outs), (ins i32mem:$dst, GR32:$src),
1318 "and{l}\t{$src, $dst|$dst, $src}",
1319 [(store (and (load addr:$dst), GR32:$src), addr:$dst)]>;
1320 def AND8mi : Ii8<0x80, MRM4m,
1321 (outs), (ins i8mem :$dst, i8imm :$src),
1322 "and{b}\t{$src, $dst|$dst, $src}",
1323 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1324 def AND16mi : Ii16<0x81, MRM4m,
1325 (outs), (ins i16mem:$dst, i16imm:$src),
1326 "and{w}\t{$src, $dst|$dst, $src}",
1327 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1329 def AND32mi : Ii32<0x81, MRM4m,
1330 (outs), (ins i32mem:$dst, i32imm:$src),
1331 "and{l}\t{$src, $dst|$dst, $src}",
1332 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1333 def AND16mi8 : Ii8<0x83, MRM4m,
1334 (outs), (ins i16mem:$dst, i16i8imm :$src),
1335 "and{w}\t{$src, $dst|$dst, $src}",
1336 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1338 def AND32mi8 : Ii8<0x83, MRM4m,
1339 (outs), (ins i32mem:$dst, i32i8imm :$src),
1340 "and{l}\t{$src, $dst|$dst, $src}",
1341 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1345 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1346 def OR8rr : I<0x08, MRMDestReg, (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1347 "or{b}\t{$src2, $dst|$dst, $src2}",
1348 [(set GR8:$dst, (or GR8:$src1, GR8:$src2))]>;
1349 def OR16rr : I<0x09, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1350 "or{w}\t{$src2, $dst|$dst, $src2}",
1351 [(set GR16:$dst, (or GR16:$src1, GR16:$src2))]>, OpSize;
1352 def OR32rr : I<0x09, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1353 "or{l}\t{$src2, $dst|$dst, $src2}",
1354 [(set GR32:$dst, (or GR32:$src1, GR32:$src2))]>;
1356 def OR8rm : I<0x0A, MRMSrcMem , (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
1357 "or{b}\t{$src2, $dst|$dst, $src2}",
1358 [(set GR8:$dst, (or GR8:$src1, (load addr:$src2)))]>;
1359 def OR16rm : I<0x0B, MRMSrcMem , (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1360 "or{w}\t{$src2, $dst|$dst, $src2}",
1361 [(set GR16:$dst, (or GR16:$src1, (load addr:$src2)))]>, OpSize;
1362 def OR32rm : I<0x0B, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1363 "or{l}\t{$src2, $dst|$dst, $src2}",
1364 [(set GR32:$dst, (or GR32:$src1, (load addr:$src2)))]>;
1366 def OR8ri : Ii8 <0x80, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1367 "or{b}\t{$src2, $dst|$dst, $src2}",
1368 [(set GR8:$dst, (or GR8:$src1, imm:$src2))]>;
1369 def OR16ri : Ii16<0x81, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1370 "or{w}\t{$src2, $dst|$dst, $src2}",
1371 [(set GR16:$dst, (or GR16:$src1, imm:$src2))]>, OpSize;
1372 def OR32ri : Ii32<0x81, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1373 "or{l}\t{$src2, $dst|$dst, $src2}",
1374 [(set GR32:$dst, (or GR32:$src1, imm:$src2))]>;
1376 def OR16ri8 : Ii8<0x83, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1377 "or{w}\t{$src2, $dst|$dst, $src2}",
1378 [(set GR16:$dst, (or GR16:$src1, i16immSExt8:$src2))]>, OpSize;
1379 def OR32ri8 : Ii8<0x83, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1380 "or{l}\t{$src2, $dst|$dst, $src2}",
1381 [(set GR32:$dst, (or GR32:$src1, i32immSExt8:$src2))]>;
1382 let isTwoAddress = 0 in {
1383 def OR8mr : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
1384 "or{b}\t{$src, $dst|$dst, $src}",
1385 [(store (or (load addr:$dst), GR8:$src), addr:$dst)]>;
1386 def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src),
1387 "or{w}\t{$src, $dst|$dst, $src}",
1388 [(store (or (load addr:$dst), GR16:$src), addr:$dst)]>, OpSize;
1389 def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
1390 "or{l}\t{$src, $dst|$dst, $src}",
1391 [(store (or (load addr:$dst), GR32:$src), addr:$dst)]>;
1392 def OR8mi : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1393 "or{b}\t{$src, $dst|$dst, $src}",
1394 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1395 def OR16mi : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm:$src),
1396 "or{w}\t{$src, $dst|$dst, $src}",
1397 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1399 def OR32mi : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm:$src),
1400 "or{l}\t{$src, $dst|$dst, $src}",
1401 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1402 def OR16mi8 : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm:$src),
1403 "or{w}\t{$src, $dst|$dst, $src}",
1404 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1406 def OR32mi8 : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm:$src),
1407 "or{l}\t{$src, $dst|$dst, $src}",
1408 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1409 } // isTwoAddress = 0
1412 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1413 def XOR8rr : I<0x30, MRMDestReg,
1414 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
1415 "xor{b}\t{$src2, $dst|$dst, $src2}",
1416 [(set GR8:$dst, (xor GR8:$src1, GR8:$src2))]>;
1417 def XOR16rr : I<0x31, MRMDestReg,
1418 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1419 "xor{w}\t{$src2, $dst|$dst, $src2}",
1420 [(set GR16:$dst, (xor GR16:$src1, GR16:$src2))]>, OpSize;
1421 def XOR32rr : I<0x31, MRMDestReg,
1422 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1423 "xor{l}\t{$src2, $dst|$dst, $src2}",
1424 [(set GR32:$dst, (xor GR32:$src1, GR32:$src2))]>;
1425 } // isCommutable = 1
1427 def XOR8rm : I<0x32, MRMSrcMem ,
1428 (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
1429 "xor{b}\t{$src2, $dst|$dst, $src2}",
1430 [(set GR8:$dst, (xor GR8:$src1, (load addr:$src2)))]>;
1431 def XOR16rm : I<0x33, MRMSrcMem ,
1432 (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
1433 "xor{w}\t{$src2, $dst|$dst, $src2}",
1434 [(set GR16:$dst, (xor GR16:$src1, (load addr:$src2)))]>,
1436 def XOR32rm : I<0x33, MRMSrcMem ,
1437 (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
1438 "xor{l}\t{$src2, $dst|$dst, $src2}",
1439 [(set GR32:$dst, (xor GR32:$src1, (load addr:$src2)))]>;
1441 def XOR8ri : Ii8<0x80, MRM6r,
1442 (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1443 "xor{b}\t{$src2, $dst|$dst, $src2}",
1444 [(set GR8:$dst, (xor GR8:$src1, imm:$src2))]>;
1445 def XOR16ri : Ii16<0x81, MRM6r,
1446 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
1447 "xor{w}\t{$src2, $dst|$dst, $src2}",
1448 [(set GR16:$dst, (xor GR16:$src1, imm:$src2))]>, OpSize;
1449 def XOR32ri : Ii32<0x81, MRM6r,
1450 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
1451 "xor{l}\t{$src2, $dst|$dst, $src2}",
1452 [(set GR32:$dst, (xor GR32:$src1, imm:$src2))]>;
1453 def XOR16ri8 : Ii8<0x83, MRM6r,
1454 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
1455 "xor{w}\t{$src2, $dst|$dst, $src2}",
1456 [(set GR16:$dst, (xor GR16:$src1, i16immSExt8:$src2))]>,
1458 def XOR32ri8 : Ii8<0x83, MRM6r,
1459 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
1460 "xor{l}\t{$src2, $dst|$dst, $src2}",
1461 [(set GR32:$dst, (xor GR32:$src1, i32immSExt8:$src2))]>;
1463 let isTwoAddress = 0 in {
1464 def XOR8mr : I<0x30, MRMDestMem,
1465 (outs), (ins i8mem :$dst, GR8 :$src),
1466 "xor{b}\t{$src, $dst|$dst, $src}",
1467 [(store (xor (load addr:$dst), GR8:$src), addr:$dst)]>;
1468 def XOR16mr : I<0x31, MRMDestMem,
1469 (outs), (ins i16mem:$dst, GR16:$src),
1470 "xor{w}\t{$src, $dst|$dst, $src}",
1471 [(store (xor (load addr:$dst), GR16:$src), addr:$dst)]>,
1473 def XOR32mr : I<0x31, MRMDestMem,
1474 (outs), (ins i32mem:$dst, GR32:$src),
1475 "xor{l}\t{$src, $dst|$dst, $src}",
1476 [(store (xor (load addr:$dst), GR32:$src), addr:$dst)]>;
1477 def XOR8mi : Ii8<0x80, MRM6m,
1478 (outs), (ins i8mem :$dst, i8imm :$src),
1479 "xor{b}\t{$src, $dst|$dst, $src}",
1480 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1481 def XOR16mi : Ii16<0x81, MRM6m,
1482 (outs), (ins i16mem:$dst, i16imm:$src),
1483 "xor{w}\t{$src, $dst|$dst, $src}",
1484 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1486 def XOR32mi : Ii32<0x81, MRM6m,
1487 (outs), (ins i32mem:$dst, i32imm:$src),
1488 "xor{l}\t{$src, $dst|$dst, $src}",
1489 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1490 def XOR16mi8 : Ii8<0x83, MRM6m,
1491 (outs), (ins i16mem:$dst, i16i8imm :$src),
1492 "xor{w}\t{$src, $dst|$dst, $src}",
1493 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1495 def XOR32mi8 : Ii8<0x83, MRM6m,
1496 (outs), (ins i32mem:$dst, i32i8imm :$src),
1497 "xor{l}\t{$src, $dst|$dst, $src}",
1498 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1499 } // isTwoAddress = 0
1500 } // Defs = [EFLAGS]
1502 // Shift instructions
1503 let Defs = [EFLAGS] in {
1504 let Uses = [CL] in {
1505 def SHL8rCL : I<0xD2, MRM4r, (outs GR8 :$dst), (ins GR8 :$src),
1506 "shl{b}\t{%cl, $dst|$dst, %CL}",
1507 [(set GR8:$dst, (shl GR8:$src, CL))]>;
1508 def SHL16rCL : I<0xD3, MRM4r, (outs GR16:$dst), (ins GR16:$src),
1509 "shl{w}\t{%cl, $dst|$dst, %CL}",
1510 [(set GR16:$dst, (shl GR16:$src, CL))]>, OpSize;
1511 def SHL32rCL : I<0xD3, MRM4r, (outs GR32:$dst), (ins GR32:$src),
1512 "shl{l}\t{%cl, $dst|$dst, %CL}",
1513 [(set GR32:$dst, (shl GR32:$src, CL))]>;
1516 def SHL8ri : Ii8<0xC0, MRM4r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1517 "shl{b}\t{$src2, $dst|$dst, $src2}",
1518 [(set GR8:$dst, (shl GR8:$src1, (i8 imm:$src2)))]>;
1519 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1520 def SHL16ri : Ii8<0xC1, MRM4r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1521 "shl{w}\t{$src2, $dst|$dst, $src2}",
1522 [(set GR16:$dst, (shl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1523 def SHL32ri : Ii8<0xC1, MRM4r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1524 "shl{l}\t{$src2, $dst|$dst, $src2}",
1525 [(set GR32:$dst, (shl GR32:$src1, (i8 imm:$src2)))]>;
1526 // NOTE: We don't use shifts of a register by one, because 'add reg,reg' is
1528 } // isConvertibleToThreeAddress = 1
1530 let isTwoAddress = 0 in {
1531 let Uses = [CL] in {
1532 def SHL8mCL : I<0xD2, MRM4m, (outs), (ins i8mem :$dst),
1533 "shl{b}\t{%cl, $dst|$dst, %CL}",
1534 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>;
1535 def SHL16mCL : I<0xD3, MRM4m, (outs), (ins i16mem:$dst),
1536 "shl{w}\t{%cl, $dst|$dst, %CL}",
1537 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1538 def SHL32mCL : I<0xD3, MRM4m, (outs), (ins i32mem:$dst),
1539 "shl{l}\t{%cl, $dst|$dst, %CL}",
1540 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>;
1542 def SHL8mi : Ii8<0xC0, MRM4m, (outs), (ins i8mem :$dst, i8imm:$src),
1543 "shl{b}\t{$src, $dst|$dst, $src}",
1544 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1545 def SHL16mi : Ii8<0xC1, MRM4m, (outs), (ins i16mem:$dst, i8imm:$src),
1546 "shl{w}\t{$src, $dst|$dst, $src}",
1547 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1549 def SHL32mi : Ii8<0xC1, MRM4m, (outs), (ins i32mem:$dst, i8imm:$src),
1550 "shl{l}\t{$src, $dst|$dst, $src}",
1551 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1554 def SHL8m1 : I<0xD0, MRM4m, (outs), (ins i8mem :$dst),
1556 [(store (shl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1557 def SHL16m1 : I<0xD1, MRM4m, (outs), (ins i16mem:$dst),
1559 [(store (shl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1561 def SHL32m1 : I<0xD1, MRM4m, (outs), (ins i32mem:$dst),
1563 [(store (shl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1566 let Uses = [CL] in {
1567 def SHR8rCL : I<0xD2, MRM5r, (outs GR8 :$dst), (ins GR8 :$src),
1568 "shr{b}\t{%cl, $dst|$dst, %CL}",
1569 [(set GR8:$dst, (srl GR8:$src, CL))]>;
1570 def SHR16rCL : I<0xD3, MRM5r, (outs GR16:$dst), (ins GR16:$src),
1571 "shr{w}\t{%cl, $dst|$dst, %CL}",
1572 [(set GR16:$dst, (srl GR16:$src, CL))]>, OpSize;
1573 def SHR32rCL : I<0xD3, MRM5r, (outs GR32:$dst), (ins GR32:$src),
1574 "shr{l}\t{%cl, $dst|$dst, %CL}",
1575 [(set GR32:$dst, (srl GR32:$src, CL))]>;
1578 def SHR8ri : Ii8<0xC0, MRM5r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1579 "shr{b}\t{$src2, $dst|$dst, $src2}",
1580 [(set GR8:$dst, (srl GR8:$src1, (i8 imm:$src2)))]>;
1581 def SHR16ri : Ii8<0xC1, MRM5r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1582 "shr{w}\t{$src2, $dst|$dst, $src2}",
1583 [(set GR16:$dst, (srl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1584 def SHR32ri : Ii8<0xC1, MRM5r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1585 "shr{l}\t{$src2, $dst|$dst, $src2}",
1586 [(set GR32:$dst, (srl GR32:$src1, (i8 imm:$src2)))]>;
1589 def SHR8r1 : I<0xD0, MRM5r, (outs GR8:$dst), (ins GR8:$src1),
1591 [(set GR8:$dst, (srl GR8:$src1, (i8 1)))]>;
1592 def SHR16r1 : I<0xD1, MRM5r, (outs GR16:$dst), (ins GR16:$src1),
1594 [(set GR16:$dst, (srl GR16:$src1, (i8 1)))]>, OpSize;
1595 def SHR32r1 : I<0xD1, MRM5r, (outs GR32:$dst), (ins GR32:$src1),
1597 [(set GR32:$dst, (srl GR32:$src1, (i8 1)))]>;
1599 let isTwoAddress = 0 in {
1600 let Uses = [CL] in {
1601 def SHR8mCL : I<0xD2, MRM5m, (outs), (ins i8mem :$dst),
1602 "shr{b}\t{%cl, $dst|$dst, %CL}",
1603 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>;
1604 def SHR16mCL : I<0xD3, MRM5m, (outs), (ins i16mem:$dst),
1605 "shr{w}\t{%cl, $dst|$dst, %CL}",
1606 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
1608 def SHR32mCL : I<0xD3, MRM5m, (outs), (ins i32mem:$dst),
1609 "shr{l}\t{%cl, $dst|$dst, %CL}",
1610 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>;
1612 def SHR8mi : Ii8<0xC0, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src),
1613 "shr{b}\t{$src, $dst|$dst, $src}",
1614 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1615 def SHR16mi : Ii8<0xC1, MRM5m, (outs), (ins i16mem:$dst, i8imm:$src),
1616 "shr{w}\t{$src, $dst|$dst, $src}",
1617 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1619 def SHR32mi : Ii8<0xC1, MRM5m, (outs), (ins i32mem:$dst, i8imm:$src),
1620 "shr{l}\t{$src, $dst|$dst, $src}",
1621 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1624 def SHR8m1 : I<0xD0, MRM5m, (outs), (ins i8mem :$dst),
1626 [(store (srl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1627 def SHR16m1 : I<0xD1, MRM5m, (outs), (ins i16mem:$dst),
1629 [(store (srl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,OpSize;
1630 def SHR32m1 : I<0xD1, MRM5m, (outs), (ins i32mem:$dst),
1632 [(store (srl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1635 let Uses = [CL] in {
1636 def SAR8rCL : I<0xD2, MRM7r, (outs GR8 :$dst), (ins GR8 :$src),
1637 "sar{b}\t{%cl, $dst|$dst, %CL}",
1638 [(set GR8:$dst, (sra GR8:$src, CL))]>;
1639 def SAR16rCL : I<0xD3, MRM7r, (outs GR16:$dst), (ins GR16:$src),
1640 "sar{w}\t{%cl, $dst|$dst, %CL}",
1641 [(set GR16:$dst, (sra GR16:$src, CL))]>, OpSize;
1642 def SAR32rCL : I<0xD3, MRM7r, (outs GR32:$dst), (ins GR32:$src),
1643 "sar{l}\t{%cl, $dst|$dst, %CL}",
1644 [(set GR32:$dst, (sra GR32:$src, CL))]>;
1647 def SAR8ri : Ii8<0xC0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1648 "sar{b}\t{$src2, $dst|$dst, $src2}",
1649 [(set GR8:$dst, (sra GR8:$src1, (i8 imm:$src2)))]>;
1650 def SAR16ri : Ii8<0xC1, MRM7r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1651 "sar{w}\t{$src2, $dst|$dst, $src2}",
1652 [(set GR16:$dst, (sra GR16:$src1, (i8 imm:$src2)))]>,
1654 def SAR32ri : Ii8<0xC1, MRM7r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1655 "sar{l}\t{$src2, $dst|$dst, $src2}",
1656 [(set GR32:$dst, (sra GR32:$src1, (i8 imm:$src2)))]>;
1659 def SAR8r1 : I<0xD0, MRM7r, (outs GR8 :$dst), (ins GR8 :$src1),
1661 [(set GR8:$dst, (sra GR8:$src1, (i8 1)))]>;
1662 def SAR16r1 : I<0xD1, MRM7r, (outs GR16:$dst), (ins GR16:$src1),
1664 [(set GR16:$dst, (sra GR16:$src1, (i8 1)))]>, OpSize;
1665 def SAR32r1 : I<0xD1, MRM7r, (outs GR32:$dst), (ins GR32:$src1),
1667 [(set GR32:$dst, (sra GR32:$src1, (i8 1)))]>;
1669 let isTwoAddress = 0 in {
1670 let Uses = [CL] in {
1671 def SAR8mCL : I<0xD2, MRM7m, (outs), (ins i8mem :$dst),
1672 "sar{b}\t{%cl, $dst|$dst, %CL}",
1673 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>;
1674 def SAR16mCL : I<0xD3, MRM7m, (outs), (ins i16mem:$dst),
1675 "sar{w}\t{%cl, $dst|$dst, %CL}",
1676 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1677 def SAR32mCL : I<0xD3, MRM7m, (outs), (ins i32mem:$dst),
1678 "sar{l}\t{%cl, $dst|$dst, %CL}",
1679 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>;
1681 def SAR8mi : Ii8<0xC0, MRM7m, (outs), (ins i8mem :$dst, i8imm:$src),
1682 "sar{b}\t{$src, $dst|$dst, $src}",
1683 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1684 def SAR16mi : Ii8<0xC1, MRM7m, (outs), (ins i16mem:$dst, i8imm:$src),
1685 "sar{w}\t{$src, $dst|$dst, $src}",
1686 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1688 def SAR32mi : Ii8<0xC1, MRM7m, (outs), (ins i32mem:$dst, i8imm:$src),
1689 "sar{l}\t{$src, $dst|$dst, $src}",
1690 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1693 def SAR8m1 : I<0xD0, MRM7m, (outs), (ins i8mem :$dst),
1695 [(store (sra (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1696 def SAR16m1 : I<0xD1, MRM7m, (outs), (ins i16mem:$dst),
1698 [(store (sra (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1700 def SAR32m1 : I<0xD1, MRM7m, (outs), (ins i32mem:$dst),
1702 [(store (sra (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1705 // Rotate instructions
1706 // FIXME: provide shorter instructions when imm8 == 1
1707 let Uses = [CL] in {
1708 def ROL8rCL : I<0xD2, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),
1709 "rol{b}\t{%cl, $dst|$dst, %CL}",
1710 [(set GR8:$dst, (rotl GR8:$src, CL))]>;
1711 def ROL16rCL : I<0xD3, MRM0r, (outs GR16:$dst), (ins GR16:$src),
1712 "rol{w}\t{%cl, $dst|$dst, %CL}",
1713 [(set GR16:$dst, (rotl GR16:$src, CL))]>, OpSize;
1714 def ROL32rCL : I<0xD3, MRM0r, (outs GR32:$dst), (ins GR32:$src),
1715 "rol{l}\t{%cl, $dst|$dst, %CL}",
1716 [(set GR32:$dst, (rotl GR32:$src, CL))]>;
1719 def ROL8ri : Ii8<0xC0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1720 "rol{b}\t{$src2, $dst|$dst, $src2}",
1721 [(set GR8:$dst, (rotl GR8:$src1, (i8 imm:$src2)))]>;
1722 def ROL16ri : Ii8<0xC1, MRM0r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1723 "rol{w}\t{$src2, $dst|$dst, $src2}",
1724 [(set GR16:$dst, (rotl GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1725 def ROL32ri : Ii8<0xC1, MRM0r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1726 "rol{l}\t{$src2, $dst|$dst, $src2}",
1727 [(set GR32:$dst, (rotl GR32:$src1, (i8 imm:$src2)))]>;
1730 def ROL8r1 : I<0xD0, MRM0r, (outs GR8 :$dst), (ins GR8 :$src1),
1732 [(set GR8:$dst, (rotl GR8:$src1, (i8 1)))]>;
1733 def ROL16r1 : I<0xD1, MRM0r, (outs GR16:$dst), (ins GR16:$src1),
1735 [(set GR16:$dst, (rotl GR16:$src1, (i8 1)))]>, OpSize;
1736 def ROL32r1 : I<0xD1, MRM0r, (outs GR32:$dst), (ins GR32:$src1),
1738 [(set GR32:$dst, (rotl GR32:$src1, (i8 1)))]>;
1740 let isTwoAddress = 0 in {
1741 let Uses = [CL] in {
1742 def ROL8mCL : I<0xD2, MRM0m, (outs), (ins i8mem :$dst),
1743 "rol{b}\t{%cl, $dst|$dst, %CL}",
1744 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>;
1745 def ROL16mCL : I<0xD3, MRM0m, (outs), (ins i16mem:$dst),
1746 "rol{w}\t{%cl, $dst|$dst, %CL}",
1747 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1748 def ROL32mCL : I<0xD3, MRM0m, (outs), (ins i32mem:$dst),
1749 "rol{l}\t{%cl, $dst|$dst, %CL}",
1750 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>;
1752 def ROL8mi : Ii8<0xC0, MRM0m, (outs), (ins i8mem :$dst, i8imm:$src),
1753 "rol{b}\t{$src, $dst|$dst, $src}",
1754 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1755 def ROL16mi : Ii8<0xC1, MRM0m, (outs), (ins i16mem:$dst, i8imm:$src),
1756 "rol{w}\t{$src, $dst|$dst, $src}",
1757 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1759 def ROL32mi : Ii8<0xC1, MRM0m, (outs), (ins i32mem:$dst, i8imm:$src),
1760 "rol{l}\t{$src, $dst|$dst, $src}",
1761 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1764 def ROL8m1 : I<0xD0, MRM0m, (outs), (ins i8mem :$dst),
1766 [(store (rotl (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1767 def ROL16m1 : I<0xD1, MRM0m, (outs), (ins i16mem:$dst),
1769 [(store (rotl (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1771 def ROL32m1 : I<0xD1, MRM0m, (outs), (ins i32mem:$dst),
1773 [(store (rotl (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1776 let Uses = [CL] in {
1777 def ROR8rCL : I<0xD2, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),
1778 "ror{b}\t{%cl, $dst|$dst, %CL}",
1779 [(set GR8:$dst, (rotr GR8:$src, CL))]>;
1780 def ROR16rCL : I<0xD3, MRM1r, (outs GR16:$dst), (ins GR16:$src),
1781 "ror{w}\t{%cl, $dst|$dst, %CL}",
1782 [(set GR16:$dst, (rotr GR16:$src, CL))]>, OpSize;
1783 def ROR32rCL : I<0xD3, MRM1r, (outs GR32:$dst), (ins GR32:$src),
1784 "ror{l}\t{%cl, $dst|$dst, %CL}",
1785 [(set GR32:$dst, (rotr GR32:$src, CL))]>;
1788 def ROR8ri : Ii8<0xC0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1, i8imm:$src2),
1789 "ror{b}\t{$src2, $dst|$dst, $src2}",
1790 [(set GR8:$dst, (rotr GR8:$src1, (i8 imm:$src2)))]>;
1791 def ROR16ri : Ii8<0xC1, MRM1r, (outs GR16:$dst), (ins GR16:$src1, i8imm:$src2),
1792 "ror{w}\t{$src2, $dst|$dst, $src2}",
1793 [(set GR16:$dst, (rotr GR16:$src1, (i8 imm:$src2)))]>, OpSize;
1794 def ROR32ri : Ii8<0xC1, MRM1r, (outs GR32:$dst), (ins GR32:$src1, i8imm:$src2),
1795 "ror{l}\t{$src2, $dst|$dst, $src2}",
1796 [(set GR32:$dst, (rotr GR32:$src1, (i8 imm:$src2)))]>;
1799 def ROR8r1 : I<0xD0, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1),
1801 [(set GR8:$dst, (rotr GR8:$src1, (i8 1)))]>;
1802 def ROR16r1 : I<0xD1, MRM1r, (outs GR16:$dst), (ins GR16:$src1),
1804 [(set GR16:$dst, (rotr GR16:$src1, (i8 1)))]>, OpSize;
1805 def ROR32r1 : I<0xD1, MRM1r, (outs GR32:$dst), (ins GR32:$src1),
1807 [(set GR32:$dst, (rotr GR32:$src1, (i8 1)))]>;
1809 let isTwoAddress = 0 in {
1810 let Uses = [CL] in {
1811 def ROR8mCL : I<0xD2, MRM1m, (outs), (ins i8mem :$dst),
1812 "ror{b}\t{%cl, $dst|$dst, %CL}",
1813 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>;
1814 def ROR16mCL : I<0xD3, MRM1m, (outs), (ins i16mem:$dst),
1815 "ror{w}\t{%cl, $dst|$dst, %CL}",
1816 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>, OpSize;
1817 def ROR32mCL : I<0xD3, MRM1m, (outs), (ins i32mem:$dst),
1818 "ror{l}\t{%cl, $dst|$dst, %CL}",
1819 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>;
1821 def ROR8mi : Ii8<0xC0, MRM1m, (outs), (ins i8mem :$dst, i8imm:$src),
1822 "ror{b}\t{$src, $dst|$dst, $src}",
1823 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1824 def ROR16mi : Ii8<0xC1, MRM1m, (outs), (ins i16mem:$dst, i8imm:$src),
1825 "ror{w}\t{$src, $dst|$dst, $src}",
1826 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1828 def ROR32mi : Ii8<0xC1, MRM1m, (outs), (ins i32mem:$dst, i8imm:$src),
1829 "ror{l}\t{$src, $dst|$dst, $src}",
1830 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1833 def ROR8m1 : I<0xD0, MRM1m, (outs), (ins i8mem :$dst),
1835 [(store (rotr (loadi8 addr:$dst), (i8 1)), addr:$dst)]>;
1836 def ROR16m1 : I<0xD1, MRM1m, (outs), (ins i16mem:$dst),
1838 [(store (rotr (loadi16 addr:$dst), (i8 1)), addr:$dst)]>,
1840 def ROR32m1 : I<0xD1, MRM1m, (outs), (ins i32mem:$dst),
1842 [(store (rotr (loadi32 addr:$dst), (i8 1)), addr:$dst)]>;
1847 // Double shift instructions (generalizations of rotate)
1848 let Uses = [CL] in {
1849 def SHLD32rrCL : I<0xA5, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1850 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1851 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2, CL))]>, TB;
1852 def SHRD32rrCL : I<0xAD, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
1853 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1854 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2, CL))]>, TB;
1855 def SHLD16rrCL : I<0xA5, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1856 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1857 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2, CL))]>,
1859 def SHRD16rrCL : I<0xAD, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
1860 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1861 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2, CL))]>,
1865 let isCommutable = 1 in { // These instructions commute to each other.
1866 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
1867 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
1868 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1869 [(set GR32:$dst, (X86shld GR32:$src1, GR32:$src2,
1872 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
1873 (outs GR32:$dst), (ins GR32:$src1, GR32:$src2, i8imm:$src3),
1874 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1875 [(set GR32:$dst, (X86shrd GR32:$src1, GR32:$src2,
1878 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
1879 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
1880 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1881 [(set GR16:$dst, (X86shld GR16:$src1, GR16:$src2,
1884 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
1885 (outs GR16:$dst), (ins GR16:$src1, GR16:$src2, i8imm:$src3),
1886 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1887 [(set GR16:$dst, (X86shrd GR16:$src1, GR16:$src2,
1892 let isTwoAddress = 0 in {
1893 let Uses = [CL] in {
1894 def SHLD32mrCL : I<0xA5, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
1895 "shld{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1896 [(store (X86shld (loadi32 addr:$dst), GR32:$src2, CL),
1898 def SHRD32mrCL : I<0xAD, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
1899 "shrd{l}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1900 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2, CL),
1903 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
1904 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
1905 "shld{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1906 [(store (X86shld (loadi32 addr:$dst), GR32:$src2,
1907 (i8 imm:$src3)), addr:$dst)]>,
1909 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
1910 (outs), (ins i32mem:$dst, GR32:$src2, i8imm:$src3),
1911 "shrd{l}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1912 [(store (X86shrd (loadi32 addr:$dst), GR32:$src2,
1913 (i8 imm:$src3)), addr:$dst)]>,
1916 let Uses = [CL] in {
1917 def SHLD16mrCL : I<0xA5, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
1918 "shld{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1919 [(store (X86shld (loadi16 addr:$dst), GR16:$src2, CL),
1920 addr:$dst)]>, TB, OpSize;
1921 def SHRD16mrCL : I<0xAD, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
1922 "shrd{w}\t{%cl, $src2, $dst|$dst, $src2, %CL}",
1923 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2, CL),
1924 addr:$dst)]>, TB, OpSize;
1926 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
1927 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
1928 "shld{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1929 [(store (X86shld (loadi16 addr:$dst), GR16:$src2,
1930 (i8 imm:$src3)), addr:$dst)]>,
1932 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
1933 (outs), (ins i16mem:$dst, GR16:$src2, i8imm:$src3),
1934 "shrd{w}\t{$src3, $src2, $dst|$dst, $src2, $src3}",
1935 [(store (X86shrd (loadi16 addr:$dst), GR16:$src2,
1936 (i8 imm:$src3)), addr:$dst)]>,
1939 } // Defs = [EFLAGS]
1943 let Defs = [EFLAGS] in {
1944 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
1945 // Register-Register Addition
1946 def ADD8rr : I<0x00, MRMDestReg, (outs GR8 :$dst),
1947 (ins GR8 :$src1, GR8 :$src2),
1948 "add{b}\t{$src2, $dst|$dst, $src2}",
1949 [(set GR8:$dst, (add GR8:$src1, GR8:$src2)),
1950 (implicit EFLAGS)]>;
1952 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1953 // Register-Register Addition
1954 def ADD16rr : I<0x01, MRMDestReg, (outs GR16:$dst),
1955 (ins GR16:$src1, GR16:$src2),
1956 "add{w}\t{$src2, $dst|$dst, $src2}",
1957 [(set GR16:$dst, (add GR16:$src1, GR16:$src2)),
1958 (implicit EFLAGS)]>, OpSize;
1959 def ADD32rr : I<0x01, MRMDestReg, (outs GR32:$dst),
1960 (ins GR32:$src1, GR32:$src2),
1961 "add{l}\t{$src2, $dst|$dst, $src2}",
1962 [(set GR32:$dst, (add GR32:$src1, GR32:$src2)),
1963 (implicit EFLAGS)]>;
1964 } // end isConvertibleToThreeAddress
1965 } // end isCommutable
1967 // Register-Memory Addition
1968 def ADD8rm : I<0x02, MRMSrcMem, (outs GR8 :$dst),
1969 (ins GR8 :$src1, i8mem :$src2),
1970 "add{b}\t{$src2, $dst|$dst, $src2}",
1971 [(set GR8:$dst, (add GR8:$src1, (load addr:$src2))),
1972 (implicit EFLAGS)]>;
1973 def ADD16rm : I<0x03, MRMSrcMem, (outs GR16:$dst),
1974 (ins GR16:$src1, i16mem:$src2),
1975 "add{w}\t{$src2, $dst|$dst, $src2}",
1976 [(set GR16:$dst, (add GR16:$src1, (load addr:$src2))),
1977 (implicit EFLAGS)]>, OpSize;
1978 def ADD32rm : I<0x03, MRMSrcMem, (outs GR32:$dst),
1979 (ins GR32:$src1, i32mem:$src2),
1980 "add{l}\t{$src2, $dst|$dst, $src2}",
1981 [(set GR32:$dst, (add GR32:$src1, (load addr:$src2))),
1982 (implicit EFLAGS)]>;
1984 // Register-Integer Addition
1985 def ADD8ri : Ii8<0x80, MRM0r, (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
1986 "add{b}\t{$src2, $dst|$dst, $src2}",
1987 [(set GR8:$dst, (add GR8:$src1, imm:$src2)),
1988 (implicit EFLAGS)]>;
1990 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1991 // Register-Integer Addition
1992 def ADD16ri : Ii16<0x81, MRM0r, (outs GR16:$dst),
1993 (ins GR16:$src1, i16imm:$src2),
1994 "add{w}\t{$src2, $dst|$dst, $src2}",
1995 [(set GR16:$dst, (add GR16:$src1, imm:$src2)),
1996 (implicit EFLAGS)]>, OpSize;
1997 def ADD32ri : Ii32<0x81, MRM0r, (outs GR32:$dst),
1998 (ins GR32:$src1, i32imm:$src2),
1999 "add{l}\t{$src2, $dst|$dst, $src2}",
2000 [(set GR32:$dst, (add GR32:$src1, imm:$src2)),
2001 (implicit EFLAGS)]>;
2002 def ADD16ri8 : Ii8<0x83, MRM0r, (outs GR16:$dst),
2003 (ins GR16:$src1, i16i8imm:$src2),
2004 "add{w}\t{$src2, $dst|$dst, $src2}",
2005 [(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2)),
2006 (implicit EFLAGS)]>, OpSize;
2007 def ADD32ri8 : Ii8<0x83, MRM0r, (outs GR32:$dst),
2008 (ins GR32:$src1, i32i8imm:$src2),
2009 "add{l}\t{$src2, $dst|$dst, $src2}",
2010 [(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2)),
2011 (implicit EFLAGS)]>;
2014 let isTwoAddress = 0 in {
2015 // Memory-Register Addition
2016 def ADD8mr : I<0x00, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src2),
2017 "add{b}\t{$src2, $dst|$dst, $src2}",
2018 [(store (add (load addr:$dst), GR8:$src2), addr:$dst),
2019 (implicit EFLAGS)]>;
2020 def ADD16mr : I<0x01, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2021 "add{w}\t{$src2, $dst|$dst, $src2}",
2022 [(store (add (load addr:$dst), GR16:$src2), addr:$dst),
2023 (implicit EFLAGS)]>, OpSize;
2024 def ADD32mr : I<0x01, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2025 "add{l}\t{$src2, $dst|$dst, $src2}",
2026 [(store (add (load addr:$dst), GR32:$src2), addr:$dst),
2027 (implicit EFLAGS)]>;
2028 def ADD8mi : Ii8<0x80, MRM0m, (outs), (ins i8mem :$dst, i8imm :$src2),
2029 "add{b}\t{$src2, $dst|$dst, $src2}",
2030 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst),
2031 (implicit EFLAGS)]>;
2032 def ADD16mi : Ii16<0x81, MRM0m, (outs), (ins i16mem:$dst, i16imm:$src2),
2033 "add{w}\t{$src2, $dst|$dst, $src2}",
2034 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst),
2035 (implicit EFLAGS)]>, OpSize;
2036 def ADD32mi : Ii32<0x81, MRM0m, (outs), (ins i32mem:$dst, i32imm:$src2),
2037 "add{l}\t{$src2, $dst|$dst, $src2}",
2038 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst),
2039 (implicit EFLAGS)]>;
2040 def ADD16mi8 : Ii8<0x83, MRM0m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2041 "add{w}\t{$src2, $dst|$dst, $src2}",
2042 [(store (add (load addr:$dst), i16immSExt8:$src2),
2044 (implicit EFLAGS)]>, OpSize;
2045 def ADD32mi8 : Ii8<0x83, MRM0m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2046 "add{l}\t{$src2, $dst|$dst, $src2}",
2047 [(store (add (load addr:$dst), i32immSExt8:$src2),
2049 (implicit EFLAGS)]>;
2052 let Uses = [EFLAGS] in {
2053 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
2054 def ADC32rr : I<0x11, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2055 "adc{l}\t{$src2, $dst|$dst, $src2}",
2056 [(set GR32:$dst, (adde GR32:$src1, GR32:$src2))]>;
2058 def ADC32rm : I<0x13, MRMSrcMem , (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2059 "adc{l}\t{$src2, $dst|$dst, $src2}",
2060 [(set GR32:$dst, (adde GR32:$src1, (load addr:$src2)))]>;
2061 def ADC32ri : Ii32<0x81, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2062 "adc{l}\t{$src2, $dst|$dst, $src2}",
2063 [(set GR32:$dst, (adde GR32:$src1, imm:$src2))]>;
2064 def ADC32ri8 : Ii8<0x83, MRM2r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2065 "adc{l}\t{$src2, $dst|$dst, $src2}",
2066 [(set GR32:$dst, (adde GR32:$src1, i32immSExt8:$src2))]>;
2068 let isTwoAddress = 0 in {
2069 def ADC32mr : I<0x11, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2070 "adc{l}\t{$src2, $dst|$dst, $src2}",
2071 [(store (adde (load addr:$dst), GR32:$src2), addr:$dst)]>;
2072 def ADC32mi : Ii32<0x81, MRM2m, (outs), (ins i32mem:$dst, i32imm:$src2),
2073 "adc{l}\t{$src2, $dst|$dst, $src2}",
2074 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2075 def ADC32mi8 : Ii8<0x83, MRM2m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2076 "adc{l}\t{$src2, $dst|$dst, $src2}",
2077 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2079 } // Uses = [EFLAGS]
2081 // Register-Register Subtraction
2082 def SUB8rr : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
2083 "sub{b}\t{$src2, $dst|$dst, $src2}",
2084 [(set GR8:$dst, (sub GR8:$src1, GR8:$src2)),
2085 (implicit EFLAGS)]>;
2086 def SUB16rr : I<0x29, MRMDestReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2087 "sub{w}\t{$src2, $dst|$dst, $src2}",
2088 [(set GR16:$dst, (sub GR16:$src1, GR16:$src2)),
2089 (implicit EFLAGS)]>, OpSize;
2090 def SUB32rr : I<0x29, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2091 "sub{l}\t{$src2, $dst|$dst, $src2}",
2092 [(set GR32:$dst, (sub GR32:$src1, GR32:$src2)),
2093 (implicit EFLAGS)]>;
2095 // Register-Memory Subtraction
2096 def SUB8rm : I<0x2A, MRMSrcMem, (outs GR8 :$dst),
2097 (ins GR8 :$src1, i8mem :$src2),
2098 "sub{b}\t{$src2, $dst|$dst, $src2}",
2099 [(set GR8:$dst, (sub GR8:$src1, (load addr:$src2))),
2100 (implicit EFLAGS)]>;
2101 def SUB16rm : I<0x2B, MRMSrcMem, (outs GR16:$dst),
2102 (ins GR16:$src1, i16mem:$src2),
2103 "sub{w}\t{$src2, $dst|$dst, $src2}",
2104 [(set GR16:$dst, (sub GR16:$src1, (load addr:$src2))),
2105 (implicit EFLAGS)]>, OpSize;
2106 def SUB32rm : I<0x2B, MRMSrcMem, (outs GR32:$dst),
2107 (ins GR32:$src1, i32mem:$src2),
2108 "sub{l}\t{$src2, $dst|$dst, $src2}",
2109 [(set GR32:$dst, (sub GR32:$src1, (load addr:$src2))),
2110 (implicit EFLAGS)]>;
2112 // Register-Integer Subtraction
2113 def SUB8ri : Ii8 <0x80, MRM5r, (outs GR8:$dst),
2114 (ins GR8:$src1, i8imm:$src2),
2115 "sub{b}\t{$src2, $dst|$dst, $src2}",
2116 [(set GR8:$dst, (sub GR8:$src1, imm:$src2)),
2117 (implicit EFLAGS)]>;
2118 def SUB16ri : Ii16<0x81, MRM5r, (outs GR16:$dst),
2119 (ins GR16:$src1, i16imm:$src2),
2120 "sub{w}\t{$src2, $dst|$dst, $src2}",
2121 [(set GR16:$dst, (sub GR16:$src1, imm:$src2)),
2122 (implicit EFLAGS)]>, OpSize;
2123 def SUB32ri : Ii32<0x81, MRM5r, (outs GR32:$dst),
2124 (ins GR32:$src1, i32imm:$src2),
2125 "sub{l}\t{$src2, $dst|$dst, $src2}",
2126 [(set GR32:$dst, (sub GR32:$src1, imm:$src2)),
2127 (implicit EFLAGS)]>;
2128 def SUB16ri8 : Ii8<0x83, MRM5r, (outs GR16:$dst),
2129 (ins GR16:$src1, i16i8imm:$src2),
2130 "sub{w}\t{$src2, $dst|$dst, $src2}",
2131 [(set GR16:$dst, (sub GR16:$src1, i16immSExt8:$src2)),
2132 (implicit EFLAGS)]>, OpSize;
2133 def SUB32ri8 : Ii8<0x83, MRM5r, (outs GR32:$dst),
2134 (ins GR32:$src1, i32i8imm:$src2),
2135 "sub{l}\t{$src2, $dst|$dst, $src2}",
2136 [(set GR32:$dst, (sub GR32:$src1, i32immSExt8:$src2)),
2137 (implicit EFLAGS)]>;
2139 let isTwoAddress = 0 in {
2140 // Memory-Register Subtraction
2141 def SUB8mr : I<0x28, MRMDestMem, (outs), (ins i8mem :$dst, GR8 :$src2),
2142 "sub{b}\t{$src2, $dst|$dst, $src2}",
2143 [(store (sub (load addr:$dst), GR8:$src2), addr:$dst),
2144 (implicit EFLAGS)]>;
2145 def SUB16mr : I<0x29, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src2),
2146 "sub{w}\t{$src2, $dst|$dst, $src2}",
2147 [(store (sub (load addr:$dst), GR16:$src2), addr:$dst),
2148 (implicit EFLAGS)]>, OpSize;
2149 def SUB32mr : I<0x29, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2150 "sub{l}\t{$src2, $dst|$dst, $src2}",
2151 [(store (sub (load addr:$dst), GR32:$src2), addr:$dst),
2152 (implicit EFLAGS)]>;
2154 // Memory-Integer Subtraction
2155 def SUB8mi : Ii8<0x80, MRM5m, (outs), (ins i8mem :$dst, i8imm:$src2),
2156 "sub{b}\t{$src2, $dst|$dst, $src2}",
2157 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst),
2158 (implicit EFLAGS)]>;
2159 def SUB16mi : Ii16<0x81, MRM5m, (outs), (ins i16mem:$dst, i16imm:$src2),
2160 "sub{w}\t{$src2, $dst|$dst, $src2}",
2161 [(store (sub (loadi16 addr:$dst), imm:$src2),addr:$dst),
2162 (implicit EFLAGS)]>, OpSize;
2163 def SUB32mi : Ii32<0x81, MRM5m, (outs), (ins i32mem:$dst, i32imm:$src2),
2164 "sub{l}\t{$src2, $dst|$dst, $src2}",
2165 [(store (sub (loadi32 addr:$dst), imm:$src2),addr:$dst),
2166 (implicit EFLAGS)]>;
2167 def SUB16mi8 : Ii8<0x83, MRM5m, (outs), (ins i16mem:$dst, i16i8imm :$src2),
2168 "sub{w}\t{$src2, $dst|$dst, $src2}",
2169 [(store (sub (load addr:$dst), i16immSExt8:$src2),
2171 (implicit EFLAGS)]>, OpSize;
2172 def SUB32mi8 : Ii8<0x83, MRM5m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2173 "sub{l}\t{$src2, $dst|$dst, $src2}",
2174 [(store (sub (load addr:$dst), i32immSExt8:$src2),
2176 (implicit EFLAGS)]>;
2179 let Uses = [EFLAGS] in {
2180 def SBB32rr : I<0x19, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
2181 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2182 [(set GR32:$dst, (sube GR32:$src1, GR32:$src2))]>;
2184 let isTwoAddress = 0 in {
2185 def SBB32mr : I<0x19, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src2),
2186 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2187 [(store (sube (load addr:$dst), GR32:$src2), addr:$dst)]>;
2188 def SBB8mi : Ii32<0x80, MRM3m, (outs), (ins i8mem:$dst, i8imm:$src2),
2189 "sbb{b}\t{$src2, $dst|$dst, $src2}",
2190 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
2191 def SBB32mi : Ii32<0x81, MRM3m, (outs), (ins i32mem:$dst, i32imm:$src2),
2192 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2193 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
2194 def SBB32mi8 : Ii8<0x83, MRM3m, (outs), (ins i32mem:$dst, i32i8imm :$src2),
2195 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2196 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
2198 def SBB32rm : I<0x1B, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2199 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2200 [(set GR32:$dst, (sube GR32:$src1, (load addr:$src2)))]>;
2201 def SBB32ri : Ii32<0x81, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2202 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2203 [(set GR32:$dst, (sube GR32:$src1, imm:$src2))]>;
2204 def SBB32ri8 : Ii8<0x83, MRM3r, (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2205 "sbb{l}\t{$src2, $dst|$dst, $src2}",
2206 [(set GR32:$dst, (sube GR32:$src1, i32immSExt8:$src2))]>;
2207 } // Uses = [EFLAGS]
2208 } // Defs = [EFLAGS]
2210 let Defs = [EFLAGS] in {
2211 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
2212 // Register-Register Signed Integer Multiply
2213 def IMUL16rr : I<0xAF, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src1,GR16:$src2),
2214 "imul{w}\t{$src2, $dst|$dst, $src2}",
2215 [(set GR16:$dst, (mul GR16:$src1, GR16:$src2)),
2216 (implicit EFLAGS)]>, TB, OpSize;
2217 def IMUL32rr : I<0xAF, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2),
2218 "imul{l}\t{$src2, $dst|$dst, $src2}",
2219 [(set GR32:$dst, (mul GR32:$src1, GR32:$src2)),
2220 (implicit EFLAGS)]>, TB;
2223 // Register-Memory Signed Integer Multiply
2224 def IMUL16rm : I<0xAF, MRMSrcMem, (outs GR16:$dst),
2225 (ins GR16:$src1, i16mem:$src2),
2226 "imul{w}\t{$src2, $dst|$dst, $src2}",
2227 [(set GR16:$dst, (mul GR16:$src1, (load addr:$src2))),
2228 (implicit EFLAGS)]>, TB, OpSize;
2229 def IMUL32rm : I<0xAF, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
2230 "imul{l}\t{$src2, $dst|$dst, $src2}",
2231 [(set GR32:$dst, (mul GR32:$src1, (load addr:$src2))),
2232 (implicit EFLAGS)]>, TB;
2233 } // Defs = [EFLAGS]
2234 } // end Two Address instructions
2236 // Suprisingly enough, these are not two address instructions!
2237 let Defs = [EFLAGS] in {
2238 // Register-Integer Signed Integer Multiply
2239 def IMUL16rri : Ii16<0x69, MRMSrcReg, // GR16 = GR16*I16
2240 (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
2241 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2242 [(set GR16:$dst, (mul GR16:$src1, imm:$src2)),
2243 (implicit EFLAGS)]>, OpSize;
2244 def IMUL32rri : Ii32<0x69, MRMSrcReg, // GR32 = GR32*I32
2245 (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
2246 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2247 [(set GR32:$dst, (mul GR32:$src1, imm:$src2)),
2248 (implicit EFLAGS)]>;
2249 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // GR16 = GR16*I8
2250 (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
2251 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2252 [(set GR16:$dst, (mul GR16:$src1, i16immSExt8:$src2)),
2253 (implicit EFLAGS)]>, OpSize;
2254 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // GR32 = GR32*I8
2255 (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
2256 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2257 [(set GR32:$dst, (mul GR32:$src1, i32immSExt8:$src2)),
2258 (implicit EFLAGS)]>;
2260 // Memory-Integer Signed Integer Multiply
2261 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // GR16 = [mem16]*I16
2262 (outs GR16:$dst), (ins i16mem:$src1, i16imm:$src2),
2263 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2264 [(set GR16:$dst, (mul (load addr:$src1), imm:$src2)),
2265 (implicit EFLAGS)]>, OpSize;
2266 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // GR32 = [mem32]*I32
2267 (outs GR32:$dst), (ins i32mem:$src1, i32imm:$src2),
2268 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2269 [(set GR32:$dst, (mul (load addr:$src1), imm:$src2)),
2270 (implicit EFLAGS)]>;
2271 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // GR16 = [mem16]*I8
2272 (outs GR16:$dst), (ins i16mem:$src1, i16i8imm :$src2),
2273 "imul{w}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2274 [(set GR16:$dst, (mul (load addr:$src1),
2275 i16immSExt8:$src2)),
2276 (implicit EFLAGS)]>, OpSize;
2277 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // GR32 = [mem32]*I8
2278 (outs GR32:$dst), (ins i32mem:$src1, i32i8imm: $src2),
2279 "imul{l}\t{$src2, $src1, $dst|$dst, $src1, $src2}",
2280 [(set GR32:$dst, (mul (load addr:$src1),
2281 i32immSExt8:$src2)),
2282 (implicit EFLAGS)]>;
2283 } // Defs = [EFLAGS]
2285 //===----------------------------------------------------------------------===//
2286 // Test instructions are just like AND, except they don't generate a result.
2288 let Defs = [EFLAGS] in {
2289 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
2290 def TEST8rr : I<0x84, MRMDestReg, (outs), (ins GR8:$src1, GR8:$src2),
2291 "test{b}\t{$src2, $src1|$src1, $src2}",
2292 [(X86cmp (and_su GR8:$src1, GR8:$src2), 0),
2293 (implicit EFLAGS)]>;
2294 def TEST16rr : I<0x85, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2),
2295 "test{w}\t{$src2, $src1|$src1, $src2}",
2296 [(X86cmp (and_su GR16:$src1, GR16:$src2), 0),
2297 (implicit EFLAGS)]>,
2299 def TEST32rr : I<0x85, MRMDestReg, (outs), (ins GR32:$src1, GR32:$src2),
2300 "test{l}\t{$src2, $src1|$src1, $src2}",
2301 [(X86cmp (and_su GR32:$src1, GR32:$src2), 0),
2302 (implicit EFLAGS)]>;
2305 def TEST8rm : I<0x84, MRMSrcMem, (outs), (ins GR8 :$src1, i8mem :$src2),
2306 "test{b}\t{$src2, $src1|$src1, $src2}",
2307 [(X86cmp (and GR8:$src1, (loadi8 addr:$src2)), 0),
2308 (implicit EFLAGS)]>;
2309 def TEST16rm : I<0x85, MRMSrcMem, (outs), (ins GR16:$src1, i16mem:$src2),
2310 "test{w}\t{$src2, $src1|$src1, $src2}",
2311 [(X86cmp (and GR16:$src1, (loadi16 addr:$src2)), 0),
2312 (implicit EFLAGS)]>, OpSize;
2313 def TEST32rm : I<0x85, MRMSrcMem, (outs), (ins GR32:$src1, i32mem:$src2),
2314 "test{l}\t{$src2, $src1|$src1, $src2}",
2315 [(X86cmp (and GR32:$src1, (loadi32 addr:$src2)), 0),
2316 (implicit EFLAGS)]>;
2318 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = GR8 & imm8
2319 (outs), (ins GR8:$src1, i8imm:$src2),
2320 "test{b}\t{$src2, $src1|$src1, $src2}",
2321 [(X86cmp (and_su GR8:$src1, imm:$src2), 0),
2322 (implicit EFLAGS)]>;
2323 def TEST16ri : Ii16<0xF7, MRM0r, // flags = GR16 & imm16
2324 (outs), (ins GR16:$src1, i16imm:$src2),
2325 "test{w}\t{$src2, $src1|$src1, $src2}",
2326 [(X86cmp (and_su GR16:$src1, imm:$src2), 0),
2327 (implicit EFLAGS)]>, OpSize;
2328 def TEST32ri : Ii32<0xF7, MRM0r, // flags = GR32 & imm32
2329 (outs), (ins GR32:$src1, i32imm:$src2),
2330 "test{l}\t{$src2, $src1|$src1, $src2}",
2331 [(X86cmp (and_su GR32:$src1, imm:$src2), 0),
2332 (implicit EFLAGS)]>;
2334 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
2335 (outs), (ins i8mem:$src1, i8imm:$src2),
2336 "test{b}\t{$src2, $src1|$src1, $src2}",
2337 [(X86cmp (and (loadi8 addr:$src1), imm:$src2), 0),
2338 (implicit EFLAGS)]>;
2339 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
2340 (outs), (ins i16mem:$src1, i16imm:$src2),
2341 "test{w}\t{$src2, $src1|$src1, $src2}",
2342 [(X86cmp (and (loadi16 addr:$src1), imm:$src2), 0),
2343 (implicit EFLAGS)]>, OpSize;
2344 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2345 (outs), (ins i32mem:$src1, i32imm:$src2),
2346 "test{l}\t{$src2, $src1|$src1, $src2}",
2347 [(X86cmp (and (loadi32 addr:$src1), imm:$src2), 0),
2348 (implicit EFLAGS)]>;
2349 } // Defs = [EFLAGS]
2352 // Condition code ops, incl. set if equal/not equal/...
2353 let Defs = [EFLAGS], Uses = [AH], neverHasSideEffects = 1 in
2354 def SAHF : I<0x9E, RawFrm, (outs), (ins), "sahf", []>; // flags = AH
2355 let Defs = [AH], Uses = [EFLAGS], neverHasSideEffects = 1 in
2356 def LAHF : I<0x9F, RawFrm, (outs), (ins), "lahf", []>; // AH = flags
2358 let Uses = [EFLAGS] in {
2359 def SETEr : I<0x94, MRM0r,
2360 (outs GR8 :$dst), (ins),
2362 [(set GR8:$dst, (X86setcc X86_COND_E, EFLAGS))]>,
2364 def SETEm : I<0x94, MRM0m,
2365 (outs), (ins i8mem:$dst),
2367 [(store (X86setcc X86_COND_E, EFLAGS), addr:$dst)]>,
2370 def SETNEr : I<0x95, MRM0r,
2371 (outs GR8 :$dst), (ins),
2373 [(set GR8:$dst, (X86setcc X86_COND_NE, EFLAGS))]>,
2375 def SETNEm : I<0x95, MRM0m,
2376 (outs), (ins i8mem:$dst),
2378 [(store (X86setcc X86_COND_NE, EFLAGS), addr:$dst)]>,
2381 def SETLr : I<0x9C, MRM0r,
2382 (outs GR8 :$dst), (ins),
2384 [(set GR8:$dst, (X86setcc X86_COND_L, EFLAGS))]>,
2385 TB; // GR8 = < signed
2386 def SETLm : I<0x9C, MRM0m,
2387 (outs), (ins i8mem:$dst),
2389 [(store (X86setcc X86_COND_L, EFLAGS), addr:$dst)]>,
2390 TB; // [mem8] = < signed
2392 def SETGEr : I<0x9D, MRM0r,
2393 (outs GR8 :$dst), (ins),
2395 [(set GR8:$dst, (X86setcc X86_COND_GE, EFLAGS))]>,
2396 TB; // GR8 = >= signed
2397 def SETGEm : I<0x9D, MRM0m,
2398 (outs), (ins i8mem:$dst),
2400 [(store (X86setcc X86_COND_GE, EFLAGS), addr:$dst)]>,
2401 TB; // [mem8] = >= signed
2403 def SETLEr : I<0x9E, MRM0r,
2404 (outs GR8 :$dst), (ins),
2406 [(set GR8:$dst, (X86setcc X86_COND_LE, EFLAGS))]>,
2407 TB; // GR8 = <= signed
2408 def SETLEm : I<0x9E, MRM0m,
2409 (outs), (ins i8mem:$dst),
2411 [(store (X86setcc X86_COND_LE, EFLAGS), addr:$dst)]>,
2412 TB; // [mem8] = <= signed
2414 def SETGr : I<0x9F, MRM0r,
2415 (outs GR8 :$dst), (ins),
2417 [(set GR8:$dst, (X86setcc X86_COND_G, EFLAGS))]>,
2418 TB; // GR8 = > signed
2419 def SETGm : I<0x9F, MRM0m,
2420 (outs), (ins i8mem:$dst),
2422 [(store (X86setcc X86_COND_G, EFLAGS), addr:$dst)]>,
2423 TB; // [mem8] = > signed
2425 def SETBr : I<0x92, MRM0r,
2426 (outs GR8 :$dst), (ins),
2428 [(set GR8:$dst, (X86setcc X86_COND_B, EFLAGS))]>,
2429 TB; // GR8 = < unsign
2430 def SETBm : I<0x92, MRM0m,
2431 (outs), (ins i8mem:$dst),
2433 [(store (X86setcc X86_COND_B, EFLAGS), addr:$dst)]>,
2434 TB; // [mem8] = < unsign
2436 def SETAEr : I<0x93, MRM0r,
2437 (outs GR8 :$dst), (ins),
2439 [(set GR8:$dst, (X86setcc X86_COND_AE, EFLAGS))]>,
2440 TB; // GR8 = >= unsign
2441 def SETAEm : I<0x93, MRM0m,
2442 (outs), (ins i8mem:$dst),
2444 [(store (X86setcc X86_COND_AE, EFLAGS), addr:$dst)]>,
2445 TB; // [mem8] = >= unsign
2447 def SETBEr : I<0x96, MRM0r,
2448 (outs GR8 :$dst), (ins),
2450 [(set GR8:$dst, (X86setcc X86_COND_BE, EFLAGS))]>,
2451 TB; // GR8 = <= unsign
2452 def SETBEm : I<0x96, MRM0m,
2453 (outs), (ins i8mem:$dst),
2455 [(store (X86setcc X86_COND_BE, EFLAGS), addr:$dst)]>,
2456 TB; // [mem8] = <= unsign
2458 def SETAr : I<0x97, MRM0r,
2459 (outs GR8 :$dst), (ins),
2461 [(set GR8:$dst, (X86setcc X86_COND_A, EFLAGS))]>,
2462 TB; // GR8 = > signed
2463 def SETAm : I<0x97, MRM0m,
2464 (outs), (ins i8mem:$dst),
2466 [(store (X86setcc X86_COND_A, EFLAGS), addr:$dst)]>,
2467 TB; // [mem8] = > signed
2469 def SETSr : I<0x98, MRM0r,
2470 (outs GR8 :$dst), (ins),
2472 [(set GR8:$dst, (X86setcc X86_COND_S, EFLAGS))]>,
2473 TB; // GR8 = <sign bit>
2474 def SETSm : I<0x98, MRM0m,
2475 (outs), (ins i8mem:$dst),
2477 [(store (X86setcc X86_COND_S, EFLAGS), addr:$dst)]>,
2478 TB; // [mem8] = <sign bit>
2479 def SETNSr : I<0x99, MRM0r,
2480 (outs GR8 :$dst), (ins),
2482 [(set GR8:$dst, (X86setcc X86_COND_NS, EFLAGS))]>,
2483 TB; // GR8 = !<sign bit>
2484 def SETNSm : I<0x99, MRM0m,
2485 (outs), (ins i8mem:$dst),
2487 [(store (X86setcc X86_COND_NS, EFLAGS), addr:$dst)]>,
2488 TB; // [mem8] = !<sign bit>
2490 def SETPr : I<0x9A, MRM0r,
2491 (outs GR8 :$dst), (ins),
2493 [(set GR8:$dst, (X86setcc X86_COND_P, EFLAGS))]>,
2495 def SETPm : I<0x9A, MRM0m,
2496 (outs), (ins i8mem:$dst),
2498 [(store (X86setcc X86_COND_P, EFLAGS), addr:$dst)]>,
2499 TB; // [mem8] = parity
2500 def SETNPr : I<0x9B, MRM0r,
2501 (outs GR8 :$dst), (ins),
2503 [(set GR8:$dst, (X86setcc X86_COND_NP, EFLAGS))]>,
2504 TB; // GR8 = not parity
2505 def SETNPm : I<0x9B, MRM0m,
2506 (outs), (ins i8mem:$dst),
2508 [(store (X86setcc X86_COND_NP, EFLAGS), addr:$dst)]>,
2509 TB; // [mem8] = not parity
2511 def SETOr : I<0x90, MRM0r,
2512 (outs GR8 :$dst), (ins),
2514 [(set GR8:$dst, (X86setcc X86_COND_O, EFLAGS))]>,
2515 TB; // GR8 = overflow
2516 def SETOm : I<0x90, MRM0m,
2517 (outs), (ins i8mem:$dst),
2519 [(store (X86setcc X86_COND_O, EFLAGS), addr:$dst)]>,
2520 TB; // [mem8] = overflow
2521 def SETNOr : I<0x91, MRM0r,
2522 (outs GR8 :$dst), (ins),
2524 [(set GR8:$dst, (X86setcc X86_COND_NO, EFLAGS))]>,
2525 TB; // GR8 = not overflow
2526 def SETNOm : I<0x91, MRM0m,
2527 (outs), (ins i8mem:$dst),
2529 [(store (X86setcc X86_COND_NO, EFLAGS), addr:$dst)]>,
2530 TB; // [mem8] = not overflow
2531 } // Uses = [EFLAGS]
2534 // Integer comparisons
2535 let Defs = [EFLAGS] in {
2536 def CMP8rr : I<0x38, MRMDestReg,
2537 (outs), (ins GR8 :$src1, GR8 :$src2),
2538 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2539 [(X86cmp GR8:$src1, GR8:$src2), (implicit EFLAGS)]>;
2540 def CMP16rr : I<0x39, MRMDestReg,
2541 (outs), (ins GR16:$src1, GR16:$src2),
2542 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2543 [(X86cmp GR16:$src1, GR16:$src2), (implicit EFLAGS)]>, OpSize;
2544 def CMP32rr : I<0x39, MRMDestReg,
2545 (outs), (ins GR32:$src1, GR32:$src2),
2546 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2547 [(X86cmp GR32:$src1, GR32:$src2), (implicit EFLAGS)]>;
2548 def CMP8mr : I<0x38, MRMDestMem,
2549 (outs), (ins i8mem :$src1, GR8 :$src2),
2550 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2551 [(X86cmp (loadi8 addr:$src1), GR8:$src2),
2552 (implicit EFLAGS)]>;
2553 def CMP16mr : I<0x39, MRMDestMem,
2554 (outs), (ins i16mem:$src1, GR16:$src2),
2555 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2556 [(X86cmp (loadi16 addr:$src1), GR16:$src2),
2557 (implicit EFLAGS)]>, OpSize;
2558 def CMP32mr : I<0x39, MRMDestMem,
2559 (outs), (ins i32mem:$src1, GR32:$src2),
2560 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2561 [(X86cmp (loadi32 addr:$src1), GR32:$src2),
2562 (implicit EFLAGS)]>;
2563 def CMP8rm : I<0x3A, MRMSrcMem,
2564 (outs), (ins GR8 :$src1, i8mem :$src2),
2565 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2566 [(X86cmp GR8:$src1, (loadi8 addr:$src2)),
2567 (implicit EFLAGS)]>;
2568 def CMP16rm : I<0x3B, MRMSrcMem,
2569 (outs), (ins GR16:$src1, i16mem:$src2),
2570 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2571 [(X86cmp GR16:$src1, (loadi16 addr:$src2)),
2572 (implicit EFLAGS)]>, OpSize;
2573 def CMP32rm : I<0x3B, MRMSrcMem,
2574 (outs), (ins GR32:$src1, i32mem:$src2),
2575 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2576 [(X86cmp GR32:$src1, (loadi32 addr:$src2)),
2577 (implicit EFLAGS)]>;
2578 def CMP8ri : Ii8<0x80, MRM7r,
2579 (outs), (ins GR8:$src1, i8imm:$src2),
2580 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2581 [(X86cmp GR8:$src1, imm:$src2), (implicit EFLAGS)]>;
2582 def CMP16ri : Ii16<0x81, MRM7r,
2583 (outs), (ins GR16:$src1, i16imm:$src2),
2584 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2585 [(X86cmp GR16:$src1, imm:$src2),
2586 (implicit EFLAGS)]>, OpSize;
2587 def CMP32ri : Ii32<0x81, MRM7r,
2588 (outs), (ins GR32:$src1, i32imm:$src2),
2589 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2590 [(X86cmp GR32:$src1, imm:$src2), (implicit EFLAGS)]>;
2591 def CMP8mi : Ii8 <0x80, MRM7m,
2592 (outs), (ins i8mem :$src1, i8imm :$src2),
2593 "cmp{b}\t{$src2, $src1|$src1, $src2}",
2594 [(X86cmp (loadi8 addr:$src1), imm:$src2),
2595 (implicit EFLAGS)]>;
2596 def CMP16mi : Ii16<0x81, MRM7m,
2597 (outs), (ins i16mem:$src1, i16imm:$src2),
2598 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2599 [(X86cmp (loadi16 addr:$src1), imm:$src2),
2600 (implicit EFLAGS)]>, OpSize;
2601 def CMP32mi : Ii32<0x81, MRM7m,
2602 (outs), (ins i32mem:$src1, i32imm:$src2),
2603 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2604 [(X86cmp (loadi32 addr:$src1), imm:$src2),
2605 (implicit EFLAGS)]>;
2606 def CMP16ri8 : Ii8<0x83, MRM7r,
2607 (outs), (ins GR16:$src1, i16i8imm:$src2),
2608 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2609 [(X86cmp GR16:$src1, i16immSExt8:$src2),
2610 (implicit EFLAGS)]>, OpSize;
2611 def CMP16mi8 : Ii8<0x83, MRM7m,
2612 (outs), (ins i16mem:$src1, i16i8imm:$src2),
2613 "cmp{w}\t{$src2, $src1|$src1, $src2}",
2614 [(X86cmp (loadi16 addr:$src1), i16immSExt8:$src2),
2615 (implicit EFLAGS)]>, OpSize;
2616 def CMP32mi8 : Ii8<0x83, MRM7m,
2617 (outs), (ins i32mem:$src1, i32i8imm:$src2),
2618 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2619 [(X86cmp (loadi32 addr:$src1), i32immSExt8:$src2),
2620 (implicit EFLAGS)]>;
2621 def CMP32ri8 : Ii8<0x83, MRM7r,
2622 (outs), (ins GR32:$src1, i32i8imm:$src2),
2623 "cmp{l}\t{$src2, $src1|$src1, $src2}",
2624 [(X86cmp GR32:$src1, i32immSExt8:$src2),
2625 (implicit EFLAGS)]>;
2626 } // Defs = [EFLAGS]
2629 // TODO: BT with immediate operands
2630 // TODO: BTC, BTR, and BTS
2631 let Defs = [EFLAGS] in {
2632 def BT16rr : I<0xA3, MRMSrcReg, (outs), (ins GR16:$src1, GR16:$src2),
2633 "bt{w}\t{$src2, $src1|$src1, $src2}",
2634 [(X86bt GR16:$src1, GR16:$src2),
2635 (implicit EFLAGS)]>, OpSize, TB;
2636 def BT32rr : I<0xA3, MRMSrcReg, (outs), (ins GR32:$src1, GR32:$src2),
2637 "bt{l}\t{$src2, $src1|$src1, $src2}",
2638 [(X86bt GR32:$src1, GR32:$src2),
2639 (implicit EFLAGS)]>, TB;
2640 def BT16mr : I<0xA3, MRMDestMem, (outs), (ins i16mem:$src1, GR16:$src2),
2641 "bt{w}\t{$src2, $src1|$src1, $src2}",
2642 [(X86bt (loadi16 addr:$src1), GR16:$src2),
2643 (implicit EFLAGS)]>, OpSize, TB, Requires<[FastBTMem]>;
2644 def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2),
2645 "bt{l}\t{$src2, $src1|$src1, $src2}",
2646 [(X86bt (loadi32 addr:$src1), GR32:$src2),
2647 (implicit EFLAGS)]>, TB, Requires<[FastBTMem]>;
2648 } // Defs = [EFLAGS]
2650 // Sign/Zero extenders
2651 // Use movsbl intead of movsbw; we don't care about the high 16 bits
2652 // of the register here. This has a smaller encoding and avoids a
2653 // partial-register update.
2654 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
2655 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2656 [(set GR16:$dst, (sext GR8:$src))]>, TB;
2657 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
2658 "movs{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2659 [(set GR16:$dst, (sextloadi16i8 addr:$src))]>, TB;
2660 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
2661 "movs{bl|x}\t{$src, $dst|$dst, $src}",
2662 [(set GR32:$dst, (sext GR8:$src))]>, TB;
2663 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
2664 "movs{bl|x}\t{$src, $dst|$dst, $src}",
2665 [(set GR32:$dst, (sextloadi32i8 addr:$src))]>, TB;
2666 def MOVSX32rr16: I<0xBF, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
2667 "movs{wl|x}\t{$src, $dst|$dst, $src}",
2668 [(set GR32:$dst, (sext GR16:$src))]>, TB;
2669 def MOVSX32rm16: I<0xBF, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
2670 "movs{wl|x}\t{$src, $dst|$dst, $src}",
2671 [(set GR32:$dst, (sextloadi32i16 addr:$src))]>, TB;
2673 // Use movzbl intead of movzbw; we don't care about the high 16 bits
2674 // of the register here. This has a smaller encoding and avoids a
2675 // partial-register update.
2676 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (outs GR16:$dst), (ins GR8 :$src),
2677 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2678 [(set GR16:$dst, (zext GR8:$src))]>, TB;
2679 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (outs GR16:$dst), (ins i8mem :$src),
2680 "movz{bl|x}\t{$src, ${dst:subreg32}|${dst:subreg32}, $src}",
2681 [(set GR16:$dst, (zextloadi16i8 addr:$src))]>, TB;
2682 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (outs GR32:$dst), (ins GR8 :$src),
2683 "movz{bl|x}\t{$src, $dst|$dst, $src}",
2684 [(set GR32:$dst, (zext GR8:$src))]>, TB;
2685 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (outs GR32:$dst), (ins i8mem :$src),
2686 "movz{bl|x}\t{$src, $dst|$dst, $src}",
2687 [(set GR32:$dst, (zextloadi32i8 addr:$src))]>, TB;
2688 def MOVZX32rr16: I<0xB7, MRMSrcReg, (outs GR32:$dst), (ins GR16:$src),
2689 "movz{wl|x}\t{$src, $dst|$dst, $src}",
2690 [(set GR32:$dst, (zext GR16:$src))]>, TB;
2691 def MOVZX32rm16: I<0xB7, MRMSrcMem, (outs GR32:$dst), (ins i16mem:$src),
2692 "movz{wl|x}\t{$src, $dst|$dst, $src}",
2693 [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB;
2695 let neverHasSideEffects = 1 in {
2696 let Defs = [AX], Uses = [AL] in
2697 def CBW : I<0x98, RawFrm, (outs), (ins),
2698 "{cbtw|cbw}", []>, OpSize; // AX = signext(AL)
2699 let Defs = [EAX], Uses = [AX] in
2700 def CWDE : I<0x98, RawFrm, (outs), (ins),
2701 "{cwtl|cwde}", []>; // EAX = signext(AX)
2703 let Defs = [AX,DX], Uses = [AX] in
2704 def CWD : I<0x99, RawFrm, (outs), (ins),
2705 "{cwtd|cwd}", []>, OpSize; // DX:AX = signext(AX)
2706 let Defs = [EAX,EDX], Uses = [EAX] in
2707 def CDQ : I<0x99, RawFrm, (outs), (ins),
2708 "{cltd|cdq}", []>; // EDX:EAX = signext(EAX)
2711 //===----------------------------------------------------------------------===//
2712 // Alias Instructions
2713 //===----------------------------------------------------------------------===//
2715 // Alias instructions that map movr0 to xor.
2716 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
2717 let Defs = [EFLAGS], isReMaterializable = 1, isAsCheapAsAMove = 1 in {
2718 def MOV8r0 : I<0x30, MRMInitReg, (outs GR8 :$dst), (ins),
2719 "xor{b}\t$dst, $dst",
2720 [(set GR8:$dst, 0)]>;
2721 // Use xorl instead of xorw since we don't care about the high 16 bits,
2722 // it's smaller, and it avoids a partial-register update.
2723 def MOV16r0 : I<0x31, MRMInitReg, (outs GR16:$dst), (ins),
2724 "xor{l}\t${dst:subreg32}, ${dst:subreg32}",
2725 [(set GR16:$dst, 0)]>;
2726 def MOV32r0 : I<0x31, MRMInitReg, (outs GR32:$dst), (ins),
2727 "xor{l}\t$dst, $dst",
2728 [(set GR32:$dst, 0)]>;
2731 // Basic operations on GR16 / GR32 subclasses GR16_ and GR32_ which contains only
2732 // those registers that have GR8 sub-registers (i.e. AX - DX, EAX - EDX).
2733 let neverHasSideEffects = 1 in {
2734 def MOV16to16_ : I<0x89, MRMDestReg, (outs GR16_:$dst), (ins GR16:$src),
2735 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
2736 def MOV32to32_ : I<0x89, MRMDestReg, (outs GR32_:$dst), (ins GR32:$src),
2737 "mov{l}\t{$src, $dst|$dst, $src}", []>;
2739 def MOV16_rr : I<0x89, MRMDestReg, (outs GR16_:$dst), (ins GR16_:$src),
2740 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
2741 def MOV32_rr : I<0x89, MRMDestReg, (outs GR32_:$dst), (ins GR32_:$src),
2742 "mov{l}\t{$src, $dst|$dst, $src}", []>;
2743 } // neverHasSideEffects
2745 let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in {
2746 def MOV16_rm : I<0x8B, MRMSrcMem, (outs GR16_:$dst), (ins i16mem:$src),
2747 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
2748 def MOV32_rm : I<0x8B, MRMSrcMem, (outs GR32_:$dst), (ins i32mem:$src),
2749 "mov{l}\t{$src, $dst|$dst, $src}", []>;
2751 let mayStore = 1, neverHasSideEffects = 1 in {
2752 def MOV16_mr : I<0x89, MRMDestMem, (outs), (ins i16mem:$dst, GR16_:$src),
2753 "mov{w}\t{$src, $dst|$dst, $src}", []>, OpSize;
2754 def MOV32_mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32_:$src),
2755 "mov{l}\t{$src, $dst|$dst, $src}", []>;
2758 //===----------------------------------------------------------------------===//
2759 // Thread Local Storage Instructions
2763 def TLS_addr32 : I<0, Pseudo, (outs GR32:$dst), (ins i32imm:$sym),
2764 "leal\t${sym:mem}(,%ebx,1), $dst",
2765 [(set GR32:$dst, (X86tlsaddr tglobaltlsaddr:$sym))]>;
2767 let AddedComplexity = 10 in
2768 def TLS_gs_rr : I<0, Pseudo, (outs GR32:$dst), (ins GR32:$src),
2769 "movl\t%gs:($src), $dst",
2770 [(set GR32:$dst, (load (add X86TLStp, GR32:$src)))]>;
2772 let AddedComplexity = 15 in
2773 def TLS_gs_ri : I<0x8B, Pseudo, (outs GR32:$dst), (ins i32imm:$src),
2774 "movl\t%gs:${src:mem}, $dst",
2776 (load (add X86TLStp, (X86Wrapper tglobaltlsaddr:$src))))]>,
2779 def TLS_tp : I<0x8B, Pseudo, (outs GR32:$dst), (ins),
2780 "movl\t%gs:0, $dst",
2781 [(set GR32:$dst, X86TLStp)]>, SegGS;
2783 //===----------------------------------------------------------------------===//
2784 // DWARF Pseudo Instructions
2787 def DWARF_LOC : I<0, Pseudo, (outs),
2788 (ins i32imm:$line, i32imm:$col, i32imm:$file),
2789 ".loc\t${file:debug} ${line:debug} ${col:debug}",
2790 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
2793 //===----------------------------------------------------------------------===//
2794 // EH Pseudo Instructions
2796 let isTerminator = 1, isReturn = 1, isBarrier = 1,
2798 def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
2799 "ret\t#eh_return, addr: $addr",
2800 [(X86ehret GR32:$addr)]>;
2804 //===----------------------------------------------------------------------===//
2808 // Atomic swap. These are just normal xchg instructions. But since a memory
2809 // operand is referenced, the atomicity is ensured.
2810 let Constraints = "$val = $dst" in {
2811 def XCHG32rm : I<0x87, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
2812 "xchg{l}\t{$val, $ptr|$ptr, $val}",
2813 [(set GR32:$dst, (atomic_swap_32 addr:$ptr, GR32:$val))]>;
2814 def XCHG16rm : I<0x87, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
2815 "xchg{w}\t{$val, $ptr|$ptr, $val}",
2816 [(set GR16:$dst, (atomic_swap_16 addr:$ptr, GR16:$val))]>,
2818 def XCHG8rm : I<0x86, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
2819 "xchg{b}\t{$val, $ptr|$ptr, $val}",
2820 [(set GR8:$dst, (atomic_swap_8 addr:$ptr, GR8:$val))]>;
2823 // Atomic compare and swap.
2824 let Defs = [EAX, EFLAGS], Uses = [EAX] in {
2825 def LCMPXCHG32 : I<0xB1, MRMDestMem, (outs), (ins i32mem:$ptr, GR32:$swap),
2826 "lock\n\tcmpxchg{l}\t{$swap, $ptr|$ptr, $swap}",
2827 [(X86cas addr:$ptr, GR32:$swap, 4)]>, TB, LOCK;
2829 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX] in {
2830 def LCMPXCHG8B : I<0xC7, MRM1m, (outs), (ins i32mem:$ptr),
2831 "lock\n\tcmpxchg8b\t$ptr",
2832 [(X86cas8 addr:$ptr)]>, TB, LOCK;
2835 let Defs = [AX, EFLAGS], Uses = [AX] in {
2836 def LCMPXCHG16 : I<0xB1, MRMDestMem, (outs), (ins i16mem:$ptr, GR16:$swap),
2837 "lock\n\tcmpxchg{w}\t{$swap, $ptr|$ptr, $swap}",
2838 [(X86cas addr:$ptr, GR16:$swap, 2)]>, TB, OpSize, LOCK;
2840 let Defs = [AL, EFLAGS], Uses = [AL] in {
2841 def LCMPXCHG8 : I<0xB0, MRMDestMem, (outs), (ins i8mem:$ptr, GR8:$swap),
2842 "lock\n\tcmpxchg{b}\t{$swap, $ptr|$ptr, $swap}",
2843 [(X86cas addr:$ptr, GR8:$swap, 1)]>, TB, LOCK;
2846 // Atomic exchange and add
2847 let Constraints = "$val = $dst", Defs = [EFLAGS] in {
2848 def LXADD32 : I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
2849 "lock\n\txadd{l}\t{$val, $ptr|$ptr, $val}",
2850 [(set GR32:$dst, (atomic_load_add_32 addr:$ptr, GR32:$val))]>,
2852 def LXADD16 : I<0xC1, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
2853 "lock\n\txadd{w}\t{$val, $ptr|$ptr, $val}",
2854 [(set GR16:$dst, (atomic_load_add_16 addr:$ptr, GR16:$val))]>,
2856 def LXADD8 : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
2857 "lock\n\txadd{b}\t{$val, $ptr|$ptr, $val}",
2858 [(set GR8:$dst, (atomic_load_add_8 addr:$ptr, GR8:$val))]>,
2862 // Atomic exchange, and, or, xor
2863 let Constraints = "$val = $dst", Defs = [EFLAGS],
2864 usesCustomDAGSchedInserter = 1 in {
2865 def ATOMAND32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2866 "#ATOMAND32 PSEUDO!",
2867 [(set GR32:$dst, (atomic_load_and_32 addr:$ptr, GR32:$val))]>;
2868 def ATOMOR32 : I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2869 "#ATOMOR32 PSEUDO!",
2870 [(set GR32:$dst, (atomic_load_or_32 addr:$ptr, GR32:$val))]>;
2871 def ATOMXOR32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2872 "#ATOMXOR32 PSEUDO!",
2873 [(set GR32:$dst, (atomic_load_xor_32 addr:$ptr, GR32:$val))]>;
2874 def ATOMNAND32 : I<0, Pseudo,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2875 "#ATOMNAND32 PSEUDO!",
2876 [(set GR32:$dst, (atomic_load_nand_32 addr:$ptr, GR32:$val))]>;
2877 def ATOMMIN32: I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
2878 "#ATOMMIN32 PSEUDO!",
2879 [(set GR32:$dst, (atomic_load_min_32 addr:$ptr, GR32:$val))]>;
2880 def ATOMMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2881 "#ATOMMAX32 PSEUDO!",
2882 [(set GR32:$dst, (atomic_load_max_32 addr:$ptr, GR32:$val))]>;
2883 def ATOMUMIN32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2884 "#ATOMUMIN32 PSEUDO!",
2885 [(set GR32:$dst, (atomic_load_umin_32 addr:$ptr, GR32:$val))]>;
2886 def ATOMUMAX32: I<0, Pseudo, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
2887 "#ATOMUMAX32 PSEUDO!",
2888 [(set GR32:$dst, (atomic_load_umax_32 addr:$ptr, GR32:$val))]>;
2890 def ATOMAND16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2891 "#ATOMAND16 PSEUDO!",
2892 [(set GR16:$dst, (atomic_load_and_16 addr:$ptr, GR16:$val))]>;
2893 def ATOMOR16 : I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2894 "#ATOMOR16 PSEUDO!",
2895 [(set GR16:$dst, (atomic_load_or_16 addr:$ptr, GR16:$val))]>;
2896 def ATOMXOR16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2897 "#ATOMXOR16 PSEUDO!",
2898 [(set GR16:$dst, (atomic_load_xor_16 addr:$ptr, GR16:$val))]>;
2899 def ATOMNAND16 : I<0, Pseudo,(outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2900 "#ATOMNAND16 PSEUDO!",
2901 [(set GR16:$dst, (atomic_load_nand_16 addr:$ptr, GR16:$val))]>;
2902 def ATOMMIN16: I<0, Pseudo, (outs GR16:$dst), (ins i16mem:$ptr, GR16:$val),
2903 "#ATOMMIN16 PSEUDO!",
2904 [(set GR16:$dst, (atomic_load_min_16 addr:$ptr, GR16:$val))]>;
2905 def ATOMMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2906 "#ATOMMAX16 PSEUDO!",
2907 [(set GR16:$dst, (atomic_load_max_16 addr:$ptr, GR16:$val))]>;
2908 def ATOMUMIN16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2909 "#ATOMUMIN16 PSEUDO!",
2910 [(set GR16:$dst, (atomic_load_umin_16 addr:$ptr, GR16:$val))]>;
2911 def ATOMUMAX16: I<0, Pseudo, (outs GR16:$dst),(ins i16mem:$ptr, GR16:$val),
2912 "#ATOMUMAX16 PSEUDO!",
2913 [(set GR16:$dst, (atomic_load_umax_16 addr:$ptr, GR16:$val))]>;
2915 def ATOMAND8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
2916 "#ATOMAND8 PSEUDO!",
2917 [(set GR8:$dst, (atomic_load_and_8 addr:$ptr, GR8:$val))]>;
2918 def ATOMOR8 : I<0, Pseudo, (outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
2920 [(set GR8:$dst, (atomic_load_or_8 addr:$ptr, GR8:$val))]>;
2921 def ATOMXOR8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
2922 "#ATOMXOR8 PSEUDO!",
2923 [(set GR8:$dst, (atomic_load_xor_8 addr:$ptr, GR8:$val))]>;
2924 def ATOMNAND8 : I<0, Pseudo,(outs GR8:$dst),(ins i8mem:$ptr, GR8:$val),
2925 "#ATOMNAND8 PSEUDO!",
2926 [(set GR8:$dst, (atomic_load_nand_8 addr:$ptr, GR8:$val))]>;
2929 let Constraints = "$val1 = $dst1, $val2 = $dst2",
2930 Defs = [EFLAGS, EAX, EBX, ECX, EDX],
2931 Uses = [EAX, EBX, ECX, EDX],
2932 mayLoad = 1, mayStore = 1,
2933 usesCustomDAGSchedInserter = 1 in {
2934 def ATOMAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
2935 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
2936 "#ATOMAND6432 PSEUDO!", []>;
2937 def ATOMOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
2938 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
2939 "#ATOMOR6432 PSEUDO!", []>;
2940 def ATOMXOR6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
2941 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
2942 "#ATOMXOR6432 PSEUDO!", []>;
2943 def ATOMNAND6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
2944 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
2945 "#ATOMNAND6432 PSEUDO!", []>;
2946 def ATOMADD6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
2947 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
2948 "#ATOMADD6432 PSEUDO!", []>;
2949 def ATOMSUB6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
2950 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
2951 "#ATOMSUB6432 PSEUDO!", []>;
2952 def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
2953 (ins i64mem:$ptr, GR32:$val1, GR32:$val2),
2954 "#ATOMSWAP6432 PSEUDO!", []>;
2957 //===----------------------------------------------------------------------===//
2958 // Non-Instruction Patterns
2959 //===----------------------------------------------------------------------===//
2961 // ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
2962 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
2963 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
2964 def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)),(MOV32ri tglobaltlsaddr:$dst)>;
2965 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
2966 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
2968 def : Pat<(add GR32:$src1, (X86Wrapper tconstpool:$src2)),
2969 (ADD32ri GR32:$src1, tconstpool:$src2)>;
2970 def : Pat<(add GR32:$src1, (X86Wrapper tjumptable:$src2)),
2971 (ADD32ri GR32:$src1, tjumptable:$src2)>;
2972 def : Pat<(add GR32:$src1, (X86Wrapper tglobaladdr :$src2)),
2973 (ADD32ri GR32:$src1, tglobaladdr:$src2)>;
2974 def : Pat<(add GR32:$src1, (X86Wrapper texternalsym:$src2)),
2975 (ADD32ri GR32:$src1, texternalsym:$src2)>;
2977 def : Pat<(store (i32 (X86Wrapper tglobaladdr:$src)), addr:$dst),
2978 (MOV32mi addr:$dst, tglobaladdr:$src)>;
2979 def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
2980 (MOV32mi addr:$dst, texternalsym:$src)>;
2984 def : Pat<(X86tailcall GR32:$dst),
2987 def : Pat<(X86tailcall (i32 tglobaladdr:$dst)),
2989 def : Pat<(X86tailcall (i32 texternalsym:$dst)),
2992 def : Pat<(X86tcret GR32:$dst, imm:$off),
2993 (TCRETURNri GR32:$dst, imm:$off)>;
2995 def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
2996 (TCRETURNdi texternalsym:$dst, imm:$off)>;
2998 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
2999 (TCRETURNdi texternalsym:$dst, imm:$off)>;
3001 def : Pat<(X86call (i32 tglobaladdr:$dst)),
3002 (CALLpcrel32 tglobaladdr:$dst)>;
3003 def : Pat<(X86call (i32 texternalsym:$dst)),
3004 (CALLpcrel32 texternalsym:$dst)>;
3006 // X86 specific add which produces a flag.
3007 def : Pat<(addc GR32:$src1, GR32:$src2),
3008 (ADD32rr GR32:$src1, GR32:$src2)>;
3009 def : Pat<(addc GR32:$src1, (load addr:$src2)),
3010 (ADD32rm GR32:$src1, addr:$src2)>;
3011 def : Pat<(addc GR32:$src1, imm:$src2),
3012 (ADD32ri GR32:$src1, imm:$src2)>;
3013 def : Pat<(addc GR32:$src1, i32immSExt8:$src2),
3014 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
3016 def : Pat<(subc GR32:$src1, GR32:$src2),
3017 (SUB32rr GR32:$src1, GR32:$src2)>;
3018 def : Pat<(subc GR32:$src1, (load addr:$src2)),
3019 (SUB32rm GR32:$src1, addr:$src2)>;
3020 def : Pat<(subc GR32:$src1, imm:$src2),
3021 (SUB32ri GR32:$src1, imm:$src2)>;
3022 def : Pat<(subc GR32:$src1, i32immSExt8:$src2),
3023 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
3027 // TEST R,R is smaller than CMP R,0
3028 def : Pat<(parallel (X86cmp GR8:$src1, 0), (implicit EFLAGS)),
3029 (TEST8rr GR8:$src1, GR8:$src1)>;
3030 def : Pat<(parallel (X86cmp GR16:$src1, 0), (implicit EFLAGS)),
3031 (TEST16rr GR16:$src1, GR16:$src1)>;
3032 def : Pat<(parallel (X86cmp GR32:$src1, 0), (implicit EFLAGS)),
3033 (TEST32rr GR32:$src1, GR32:$src1)>;
3035 // zextload bool -> zextload byte
3036 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3037 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
3038 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3040 // extload bool -> extload byte
3041 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
3042 def : Pat<(extloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>,
3043 Requires<[In32BitMode]>;
3044 def : Pat<(extloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
3045 def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>,
3046 Requires<[In32BitMode]>;
3047 def : Pat<(extloadi32i8 addr:$src), (MOVZX32rm8 addr:$src)>;
3048 def : Pat<(extloadi32i16 addr:$src), (MOVZX32rm16 addr:$src)>;
3051 def : Pat<(i16 (anyext GR8 :$src)), (MOVZX16rr8 GR8 :$src)>,
3052 Requires<[In32BitMode]>;
3053 def : Pat<(i32 (anyext GR8 :$src)), (MOVZX32rr8 GR8 :$src)>,
3054 Requires<[In32BitMode]>;
3055 def : Pat<(i32 (anyext GR16:$src)),
3056 (INSERT_SUBREG (i32 (IMPLICIT_DEF)), GR16:$src, x86_subreg_16bit)>;
3058 // (and (i32 load), 255) -> (zextload i8)
3059 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 255))),
3060 (MOVZX32rm8 addr:$src)>;
3061 def : Pat<(i32 (and (nvloadi32 addr:$src), (i32 65535))),
3062 (MOVZX32rm16 addr:$src)>;
3064 //===----------------------------------------------------------------------===//
3066 //===----------------------------------------------------------------------===//
3068 // Odd encoding trick: -128 fits into an 8-bit immediate field while
3069 // +128 doesn't, so in this special case use a sub instead of an add.
3070 def : Pat<(add GR16:$src1, 128),
3071 (SUB16ri8 GR16:$src1, -128)>;
3072 def : Pat<(store (add (loadi16 addr:$dst), 128), addr:$dst),
3073 (SUB16mi8 addr:$dst, -128)>;
3074 def : Pat<(add GR32:$src1, 128),
3075 (SUB32ri8 GR32:$src1, -128)>;
3076 def : Pat<(store (add (loadi32 addr:$dst), 128), addr:$dst),
3077 (SUB32mi8 addr:$dst, -128)>;
3079 // r & (2^16-1) ==> movz
3080 def : Pat<(and GR32:$src1, 0xffff),
3081 (MOVZX32rr16 (i16 (EXTRACT_SUBREG GR32:$src1, x86_subreg_16bit)))>;
3082 // r & (2^8-1) ==> movz
3083 def : Pat<(and GR32:$src1, 0xff),
3084 (MOVZX32rr8 (i8 (EXTRACT_SUBREG (MOV32to32_ GR32:$src1),
3085 x86_subreg_8bit)))>,
3086 Requires<[In32BitMode]>;
3087 // r & (2^8-1) ==> movz
3088 def : Pat<(and GR16:$src1, 0xff),
3089 (MOVZX16rr8 (i8 (EXTRACT_SUBREG (MOV16to16_ GR16:$src1),
3090 x86_subreg_8bit)))>,
3091 Requires<[In32BitMode]>;
3093 // sext_inreg patterns
3094 def : Pat<(sext_inreg GR32:$src, i16),
3095 (MOVSX32rr16 (i16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit)))>;
3096 def : Pat<(sext_inreg GR32:$src, i8),
3097 (MOVSX32rr8 (i8 (EXTRACT_SUBREG (MOV32to32_ GR32:$src),
3098 x86_subreg_8bit)))>,
3099 Requires<[In32BitMode]>;
3100 def : Pat<(sext_inreg GR16:$src, i8),
3101 (MOVSX16rr8 (i8 (EXTRACT_SUBREG (MOV16to16_ GR16:$src),
3102 x86_subreg_8bit)))>,
3103 Requires<[In32BitMode]>;
3106 def : Pat<(i16 (trunc GR32:$src)),
3107 (i16 (EXTRACT_SUBREG GR32:$src, x86_subreg_16bit))>;
3108 def : Pat<(i8 (trunc GR32:$src)),
3109 (i8 (EXTRACT_SUBREG (MOV32to32_ GR32:$src), x86_subreg_8bit))>,
3110 Requires<[In32BitMode]>;
3111 def : Pat<(i8 (trunc GR16:$src)),
3112 (i8 (EXTRACT_SUBREG (MOV16to16_ GR16:$src), x86_subreg_8bit))>,
3113 Requires<[In32BitMode]>;
3115 // (shl x, 1) ==> (add x, x)
3116 def : Pat<(shl GR8 :$src1, (i8 1)), (ADD8rr GR8 :$src1, GR8 :$src1)>;
3117 def : Pat<(shl GR16:$src1, (i8 1)), (ADD16rr GR16:$src1, GR16:$src1)>;
3118 def : Pat<(shl GR32:$src1, (i8 1)), (ADD32rr GR32:$src1, GR32:$src1)>;
3120 // (shl x (and y, 31)) ==> (shl x, y)
3121 def : Pat<(shl GR8:$src1, (and CL:$amt, 31)),
3122 (SHL8rCL GR8:$src1)>;
3123 def : Pat<(shl GR16:$src1, (and CL:$amt, 31)),
3124 (SHL16rCL GR16:$src1)>;
3125 def : Pat<(shl GR32:$src1, (and CL:$amt, 31)),
3126 (SHL32rCL GR32:$src1)>;
3127 def : Pat<(store (shl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3128 (SHL8mCL addr:$dst)>;
3129 def : Pat<(store (shl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3130 (SHL16mCL addr:$dst)>;
3131 def : Pat<(store (shl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3132 (SHL32mCL addr:$dst)>;
3134 def : Pat<(srl GR8:$src1, (and CL:$amt, 31)),
3135 (SHR8rCL GR8:$src1)>;
3136 def : Pat<(srl GR16:$src1, (and CL:$amt, 31)),
3137 (SHR16rCL GR16:$src1)>;
3138 def : Pat<(srl GR32:$src1, (and CL:$amt, 31)),
3139 (SHR32rCL GR32:$src1)>;
3140 def : Pat<(store (srl (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3141 (SHR8mCL addr:$dst)>;
3142 def : Pat<(store (srl (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3143 (SHR16mCL addr:$dst)>;
3144 def : Pat<(store (srl (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3145 (SHR32mCL addr:$dst)>;
3147 def : Pat<(sra GR8:$src1, (and CL:$amt, 31)),
3148 (SAR8rCL GR8:$src1)>;
3149 def : Pat<(sra GR16:$src1, (and CL:$amt, 31)),
3150 (SAR16rCL GR16:$src1)>;
3151 def : Pat<(sra GR32:$src1, (and CL:$amt, 31)),
3152 (SAR32rCL GR32:$src1)>;
3153 def : Pat<(store (sra (loadi8 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3154 (SAR8mCL addr:$dst)>;
3155 def : Pat<(store (sra (loadi16 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3156 (SAR16mCL addr:$dst)>;
3157 def : Pat<(store (sra (loadi32 addr:$dst), (and CL:$amt, 31)), addr:$dst),
3158 (SAR32mCL addr:$dst)>;
3160 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
3161 def : Pat<(or (srl GR32:$src1, CL:$amt),
3162 (shl GR32:$src2, (sub 32, CL:$amt))),
3163 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3165 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
3166 (shl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3167 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3169 def : Pat<(or (srl GR32:$src1, (i8 (trunc ECX:$amt))),
3170 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3171 (SHRD32rrCL GR32:$src1, GR32:$src2)>;
3173 def : Pat<(store (or (srl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3174 (shl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3176 (SHRD32mrCL addr:$dst, GR32:$src2)>;
3178 def : Pat<(shrd GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3179 (SHRD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3181 def : Pat<(store (shrd (loadi32 addr:$dst), (i8 imm:$amt1),
3182 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3183 (SHRD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3185 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
3186 def : Pat<(or (shl GR32:$src1, CL:$amt),
3187 (srl GR32:$src2, (sub 32, CL:$amt))),
3188 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3190 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
3191 (srl GR32:$src2, (sub 32, CL:$amt))), addr:$dst),
3192 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3194 def : Pat<(or (shl GR32:$src1, (i8 (trunc ECX:$amt))),
3195 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3196 (SHLD32rrCL GR32:$src1, GR32:$src2)>;
3198 def : Pat<(store (or (shl (loadi32 addr:$dst), (i8 (trunc ECX:$amt))),
3199 (srl GR32:$src2, (i8 (trunc (sub 32, ECX:$amt))))),
3201 (SHLD32mrCL addr:$dst, GR32:$src2)>;
3203 def : Pat<(shld GR32:$src1, (i8 imm:$amt1), GR32:$src2, (i8 imm:$amt2)),
3204 (SHLD32rri8 GR32:$src1, GR32:$src2, (i8 imm:$amt1))>;
3206 def : Pat<(store (shld (loadi32 addr:$dst), (i8 imm:$amt1),
3207 GR32:$src2, (i8 imm:$amt2)), addr:$dst),
3208 (SHLD32mri8 addr:$dst, GR32:$src2, (i8 imm:$amt1))>;
3210 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
3211 def : Pat<(or (srl GR16:$src1, CL:$amt),
3212 (shl GR16:$src2, (sub 16, CL:$amt))),
3213 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3215 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
3216 (shl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3217 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3219 def : Pat<(or (srl GR16:$src1, (i8 (trunc CX:$amt))),
3220 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3221 (SHRD16rrCL GR16:$src1, GR16:$src2)>;
3223 def : Pat<(store (or (srl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3224 (shl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3226 (SHRD16mrCL addr:$dst, GR16:$src2)>;
3228 def : Pat<(shrd GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3229 (SHRD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3231 def : Pat<(store (shrd (loadi16 addr:$dst), (i8 imm:$amt1),
3232 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
3233 (SHRD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
3235 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
3236 def : Pat<(or (shl GR16:$src1, CL:$amt),
3237 (srl GR16:$src2, (sub 16, CL:$amt))),
3238 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
3240 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
3241 (srl GR16:$src2, (sub 16, CL:$amt))), addr:$dst),
3242 (SHLD16mrCL addr:$dst, GR16:$src2)>;
3244 def : Pat<(or (shl GR16:$src1, (i8 (trunc CX:$amt))),
3245 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3246 (SHLD16rrCL GR16:$src1, GR16:$src2)>;
3248 def : Pat<(store (or (shl (loadi16 addr:$dst), (i8 (trunc CX:$amt))),
3249 (srl GR16:$src2, (i8 (trunc (sub 16, CX:$amt))))),
3251 (SHLD16mrCL addr:$dst, GR16:$src2)>;
3253 def : Pat<(shld GR16:$src1, (i8 imm:$amt1), GR16:$src2, (i8 imm:$amt2)),
3254 (SHLD16rri8 GR16:$src1, GR16:$src2, (i8 imm:$amt1))>;
3256 def : Pat<(store (shld (loadi16 addr:$dst), (i8 imm:$amt1),
3257 GR16:$src2, (i8 imm:$amt2)), addr:$dst),
3258 (SHLD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
3260 //===----------------------------------------------------------------------===//
3261 // Overflow Patterns
3262 //===----------------------------------------------------------------------===//
3264 // Register-Register Addition with Overflow
3265 def : Pat<(parallel (X86add_ovf GR8:$src1, GR8:$src2),
3267 (ADD8rr GR8:$src1, GR8:$src2)>;
3269 // Register-Register Addition with Overflow
3270 def : Pat<(parallel (X86add_ovf GR16:$src1, GR16:$src2),
3272 (ADD16rr GR16:$src1, GR16:$src2)>;
3273 def : Pat<(parallel (X86add_ovf GR32:$src1, GR32:$src2),
3275 (ADD32rr GR32:$src1, GR32:$src2)>;
3277 // Register-Memory Addition with Overflow
3278 def : Pat<(parallel (X86add_ovf GR8:$src1, (load addr:$src2)),
3280 (ADD8rm GR8:$src1, addr:$src2)>;
3281 def : Pat<(parallel (X86add_ovf GR16:$src1, (load addr:$src2)),
3283 (ADD16rm GR16:$src1, addr:$src2)>;
3284 def : Pat<(parallel (X86add_ovf GR32:$src1, (load addr:$src2)),
3286 (ADD32rm GR32:$src1, addr:$src2)>;
3288 // Register-Integer Addition with Overflow
3289 def : Pat<(parallel (X86add_ovf GR8:$src1, imm:$src2),
3291 (ADD8ri GR8:$src1, imm:$src2)>;
3293 // Register-Integer Addition with Overflow
3294 def : Pat<(parallel (X86add_ovf GR16:$src1, imm:$src2),
3296 (ADD16ri GR16:$src1, imm:$src2)>;
3297 def : Pat<(parallel (X86add_ovf GR32:$src1, imm:$src2),
3299 (ADD32ri GR32:$src1, imm:$src2)>;
3300 def : Pat<(parallel (X86add_ovf GR16:$src1, i16immSExt8:$src2),
3302 (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
3303 def : Pat<(parallel (X86add_ovf GR32:$src1, i32immSExt8:$src2),
3305 (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
3307 // Memory-Register Addition with Overflow
3308 def : Pat<(parallel (store (X86add_ovf (load addr:$dst), GR8:$src2),
3311 (ADD8mr addr:$dst, GR8:$src2)>;
3312 def : Pat<(parallel (store (X86add_ovf (load addr:$dst), GR16:$src2),
3315 (ADD16mr addr:$dst, GR16:$src2)>;
3316 def : Pat<(parallel (store (X86add_ovf (load addr:$dst), GR32:$src2),
3319 (ADD32mr addr:$dst, GR32:$src2)>;
3320 def : Pat<(parallel (store (X86add_ovf (loadi8 addr:$dst), imm:$src2),
3323 (ADD8mi addr:$dst, imm:$src2)>;
3324 def : Pat<(parallel (store (X86add_ovf (loadi16 addr:$dst), imm:$src2),
3327 (ADD16mi addr:$dst, imm:$src2)>;
3328 def : Pat<(parallel (store (X86add_ovf (loadi32 addr:$dst), imm:$src2),
3331 (ADD32mi addr:$dst, imm:$src2)>;
3332 def : Pat<(parallel (store (X86add_ovf (load addr:$dst), i16immSExt8:$src2),
3335 (ADD16mi8 addr:$dst, i16immSExt8:$src2)>;
3336 def : Pat<(parallel (store (X86add_ovf (load addr:$dst), i32immSExt8:$src2),
3339 (ADD32mi8 addr:$dst, i32immSExt8:$src2)>;
3341 // Register-Register Subtraction with Overflow
3342 def : Pat<(parallel (X86sub_ovf GR8:$src1, GR8:$src2),
3344 (SUB8rr GR8:$src1, GR8:$src2)>;
3345 def : Pat<(parallel (X86sub_ovf GR16:$src1, GR16:$src2),
3347 (SUB16rr GR16:$src1, GR16:$src2)>;
3348 def : Pat<(parallel (X86sub_ovf GR32:$src1, GR32:$src2),
3350 (SUB32rr GR32:$src1, GR32:$src2)>;
3352 // Register-Memory Subtraction with Overflow
3353 def : Pat<(parallel (X86sub_ovf GR8:$src1, (load addr:$src2)),
3355 (SUB8rm GR8:$src1, addr:$src2)>;
3356 def : Pat<(parallel (X86sub_ovf GR16:$src1, (load addr:$src2)),
3358 (SUB16rm GR16:$src1, addr:$src2)>;
3359 def : Pat<(parallel (X86sub_ovf GR32:$src1, (load addr:$src2)),
3361 (SUB32rm GR32:$src1, addr:$src2)>;
3363 // Register-Integer Subtraction with Overflow
3364 def : Pat<(parallel (X86sub_ovf GR8:$src1, imm:$src2),
3366 (SUB8ri GR8:$src1, imm:$src2)>;
3367 def : Pat<(parallel (X86sub_ovf GR16:$src1, imm:$src2),
3369 (SUB16ri GR16:$src1, imm:$src2)>;
3370 def : Pat<(parallel (X86sub_ovf GR32:$src1, imm:$src2),
3372 (SUB32ri GR32:$src1, imm:$src2)>;
3373 def : Pat<(parallel (X86sub_ovf GR16:$src1, i16immSExt8:$src2),
3375 (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
3376 def : Pat<(parallel (X86sub_ovf GR32:$src1, i32immSExt8:$src2),
3378 (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
3380 // Memory-Register Subtraction with Overflow
3381 def : Pat<(parallel (store (X86sub_ovf (load addr:$dst), GR8:$src2),
3384 (SUB8mr addr:$dst, GR8:$src2)>;
3385 def : Pat<(parallel (store (X86sub_ovf (load addr:$dst), GR16:$src2),
3388 (SUB16mr addr:$dst, GR16:$src2)>;
3389 def : Pat<(parallel (store (X86sub_ovf (load addr:$dst), GR32:$src2),
3392 (SUB32mr addr:$dst, GR32:$src2)>;
3394 // Memory-Integer Subtraction with Overflow
3395 def : Pat<(parallel (store (X86sub_ovf (loadi8 addr:$dst), imm:$src2),
3398 (SUB8mi addr:$dst, imm:$src2)>;
3399 def : Pat<(parallel (store (X86sub_ovf (loadi16 addr:$dst), imm:$src2),
3402 (SUB16mi addr:$dst, imm:$src2)>;
3403 def : Pat<(parallel (store (X86sub_ovf (loadi32 addr:$dst), imm:$src2),
3406 (SUB32mi addr:$dst, imm:$src2)>;
3407 def : Pat<(parallel (store (X86sub_ovf (load addr:$dst), i16immSExt8:$src2),
3410 (SUB16mi8 addr:$dst, i16immSExt8:$src2)>;
3411 def : Pat<(parallel (store (X86sub_ovf (load addr:$dst), i32immSExt8:$src2),
3414 (SUB32mi8 addr:$dst, i32immSExt8:$src2)>;
3417 // Register-Register Signed Integer Multiply with Overflow
3418 def : Pat<(parallel (X86smul_ovf GR16:$src1, GR16:$src2),
3420 (IMUL16rr GR16:$src1, GR16:$src2)>;
3421 def : Pat<(parallel (X86smul_ovf GR32:$src1, GR32:$src2),
3423 (IMUL32rr GR32:$src1, GR32:$src2)>;
3425 // Register-Memory Signed Integer Multiply with Overflow
3426 def : Pat<(parallel (X86smul_ovf GR16:$src1, (load addr:$src2)),
3428 (IMUL16rm GR16:$src1, addr:$src2)>;
3429 def : Pat<(parallel (X86smul_ovf GR32:$src1, (load addr:$src2)),
3431 (IMUL32rm GR32:$src1, addr:$src2)>;
3433 // Register-Integer Signed Integer Multiply with Overflow
3434 def : Pat<(parallel (X86smul_ovf GR16:$src1, imm:$src2),
3436 (IMUL16rri GR16:$src1, imm:$src2)>;
3437 def : Pat<(parallel (X86smul_ovf GR32:$src1, imm:$src2),
3439 (IMUL32rri GR32:$src1, imm:$src2)>;
3440 def : Pat<(parallel (X86smul_ovf GR16:$src1, i16immSExt8:$src2),
3442 (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
3443 def : Pat<(parallel (X86smul_ovf GR32:$src1, i32immSExt8:$src2),
3445 (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
3447 // Memory-Integer Signed Integer Multiply with Overflow
3448 def : Pat<(parallel (X86smul_ovf (load addr:$src1), imm:$src2),
3450 (IMUL16rmi addr:$src1, imm:$src2)>;
3451 def : Pat<(parallel (X86smul_ovf (load addr:$src1), imm:$src2),
3453 (IMUL32rmi addr:$src1, imm:$src2)>;
3454 def : Pat<(parallel (X86smul_ovf (load addr:$src1), i16immSExt8:$src2),
3456 (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
3457 def : Pat<(parallel (X86smul_ovf (load addr:$src1), i32immSExt8:$src2),
3459 (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
3461 //===----------------------------------------------------------------------===//
3462 // Floating Point Stack Support
3463 //===----------------------------------------------------------------------===//
3465 include "X86InstrFPStack.td"
3467 //===----------------------------------------------------------------------===//
3469 //===----------------------------------------------------------------------===//
3471 include "X86Instr64bit.td"
3473 //===----------------------------------------------------------------------===//
3474 // XMM Floating point support (requires SSE / SSE2)
3475 //===----------------------------------------------------------------------===//
3477 include "X86InstrSSE.td"
3479 //===----------------------------------------------------------------------===//
3480 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
3481 //===----------------------------------------------------------------------===//
3483 include "X86InstrMMX.td"