1 //===- X86InstrInfo.td - Describe the X86 Instruction Set -------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source 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, 3,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>,
30 def SDTX86BrCond : SDTypeProfile<0, 2,
31 [SDTCisVT<0, OtherVT>, SDTCisVT<1, i8>]>;
33 def SDTX86SetCC : SDTypeProfile<1, 1,
34 [SDTCisVT<0, i8>, SDTCisVT<1, i8>]>;
36 def SDTX86Ret : SDTypeProfile<0, 1, [SDTCisVT<0, i16>]>;
38 def SDT_X86CallSeqStart : SDTypeProfile<0, 1, [ SDTCisVT<0, i32> ]>;
39 def SDT_X86CallSeqEnd : SDTypeProfile<0, 2, [ SDTCisVT<0, i32>,
42 def SDT_X86Call : SDTypeProfile<0, 1, [SDTCisVT<0, i32>]>;
44 def SDTX86RepStr : SDTypeProfile<0, 1, [SDTCisVT<0, OtherVT>]>;
46 def SDTX86RdTsc : SDTypeProfile<0, 0, []>;
48 def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
50 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
51 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
53 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest,
55 def X86test : SDNode<"X86ISD::TEST", SDTX86CmpTest,
58 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov,
59 [SDNPInFlag, SDNPOutFlag]>;
60 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
61 [SDNPHasChain, SDNPInFlag]>;
62 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC,
63 [SDNPInFlag, SDNPOutFlag]>;
65 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
66 [SDNPHasChain, SDNPOptInFlag]>;
68 def X86callseq_start :
69 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
72 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
73 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
75 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
76 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
78 def X86rep_stos: SDNode<"X86ISD::REP_STOS", SDTX86RepStr,
79 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
80 def X86rep_movs: SDNode<"X86ISD::REP_MOVS", SDTX86RepStr,
81 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
83 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG",SDTX86RdTsc,
84 [SDNPHasChain, SDNPOutFlag]>;
86 def X86Wrapper : SDNode<"X86ISD::Wrapper", SDTX86Wrapper>;
88 //===----------------------------------------------------------------------===//
89 // X86 Operand Definitions.
92 // *mem - Operand definitions for the funky X86 addressing mode operands.
94 class X86MemOperand<string printMethod> : Operand<i32> {
95 let PrintMethod = printMethod;
96 let NumMIOperands = 4;
97 let MIOperandInfo = (ops R32, i8imm, R32, i32imm);
100 def i8mem : X86MemOperand<"printi8mem">;
101 def i16mem : X86MemOperand<"printi16mem">;
102 def i32mem : X86MemOperand<"printi32mem">;
103 def i64mem : X86MemOperand<"printi64mem">;
104 def i128mem : X86MemOperand<"printi128mem">;
105 def f32mem : X86MemOperand<"printf32mem">;
106 def f64mem : X86MemOperand<"printf64mem">;
107 def f128mem : X86MemOperand<"printf128mem">;
109 def SSECC : Operand<i8> {
110 let PrintMethod = "printSSECC";
113 def piclabel: Operand<i32> {
114 let PrintMethod = "printPICLabel";
117 // A couple of more descriptive operand definitions.
118 // 16-bits but only 8 bits are significant.
119 def i16i8imm : Operand<i16>;
120 // 32-bits but only 8 bits are significant.
121 def i32i8imm : Operand<i32>;
123 // Branch targets have OtherVT type.
124 def brtarget : Operand<OtherVT>;
126 //===----------------------------------------------------------------------===//
127 // X86 Complex Pattern Definitions.
130 // Define X86 specific addressing mode.
131 def addr : ComplexPattern<i32, 4, "SelectAddr", []>;
132 def leaaddr : ComplexPattern<i32, 4, "SelectLEAAddr",
133 [add, mul, shl, frameindex]>;
135 //===----------------------------------------------------------------------===//
136 // X86 Instruction Format Definitions.
139 // Format specifies the encoding used by the instruction. This is part of the
140 // ad-hoc solution used to emit machine instruction encodings by our machine
142 class Format<bits<6> val> {
146 def Pseudo : Format<0>; def RawFrm : Format<1>;
147 def AddRegFrm : Format<2>; def MRMDestReg : Format<3>;
148 def MRMDestMem : Format<4>; def MRMSrcReg : Format<5>;
149 def MRMSrcMem : Format<6>;
150 def MRM0r : Format<16>; def MRM1r : Format<17>; def MRM2r : Format<18>;
151 def MRM3r : Format<19>; def MRM4r : Format<20>; def MRM5r : Format<21>;
152 def MRM6r : Format<22>; def MRM7r : Format<23>;
153 def MRM0m : Format<24>; def MRM1m : Format<25>; def MRM2m : Format<26>;
154 def MRM3m : Format<27>; def MRM4m : Format<28>; def MRM5m : Format<29>;
155 def MRM6m : Format<30>; def MRM7m : Format<31>;
156 def MRMInitReg : Format<32>;
158 //===----------------------------------------------------------------------===//
159 // X86 Instruction Predicate Definitions.
160 def HasMMX : Predicate<"Subtarget->hasMMX()">;
161 def HasSSE1 : Predicate<"Subtarget->hasSSE1()">;
162 def HasSSE2 : Predicate<"Subtarget->hasSSE2()">;
163 def HasSSE3 : Predicate<"Subtarget->hasSSE3()">;
164 def FPStack : Predicate<"!Subtarget->hasSSE2()">;
166 //===----------------------------------------------------------------------===//
167 // X86 specific pattern fragments.
170 // ImmType - This specifies the immediate type used by an instruction. This is
171 // part of the ad-hoc solution used to emit machine instruction encodings by our
172 // machine code emitter.
173 class ImmType<bits<2> val> {
176 def NoImm : ImmType<0>;
177 def Imm8 : ImmType<1>;
178 def Imm16 : ImmType<2>;
179 def Imm32 : ImmType<3>;
181 // FPFormat - This specifies what form this FP instruction has. This is used by
182 // the Floating-Point stackifier pass.
183 class FPFormat<bits<3> val> {
186 def NotFP : FPFormat<0>;
187 def ZeroArgFP : FPFormat<1>;
188 def OneArgFP : FPFormat<2>;
189 def OneArgFPRW : FPFormat<3>;
190 def TwoArgFP : FPFormat<4>;
191 def CompareFP : FPFormat<5>;
192 def CondMovFP : FPFormat<6>;
193 def SpecialFP : FPFormat<7>;
196 class X86Inst<bits<8> opcod, Format f, ImmType i, dag ops, string AsmStr>
198 let Namespace = "X86";
200 bits<8> Opcode = opcod;
202 bits<6> FormBits = Form.Value;
204 bits<2> ImmTypeBits = ImmT.Value;
206 dag OperandList = ops;
207 string AsmString = AsmStr;
210 // Attributes specific to X86 instructions...
212 bit hasOpSizePrefix = 0; // Does this inst have a 0x66 prefix?
214 bits<4> Prefix = 0; // Which prefix byte does this inst have?
215 FPFormat FPForm; // What flavor of FP instruction is this?
216 bits<3> FPFormBits = 0;
219 class Imp<list<Register> uses, list<Register> defs> {
220 list<Register> Uses = uses;
221 list<Register> Defs = defs;
225 // Prefix byte classes which are used to indicate to the ad-hoc machine code
226 // emitter that various prefix bytes are required.
227 class OpSize { bit hasOpSizePrefix = 1; }
228 class TB { bits<4> Prefix = 1; }
229 class REP { bits<4> Prefix = 2; }
230 class D8 { bits<4> Prefix = 3; }
231 class D9 { bits<4> Prefix = 4; }
232 class DA { bits<4> Prefix = 5; }
233 class DB { bits<4> Prefix = 6; }
234 class DC { bits<4> Prefix = 7; }
235 class DD { bits<4> Prefix = 8; }
236 class DE { bits<4> Prefix = 9; }
237 class DF { bits<4> Prefix = 10; }
238 class XD { bits<4> Prefix = 11; }
239 class XS { bits<4> Prefix = 12; }
242 //===----------------------------------------------------------------------===//
243 // Pattern fragments...
246 // X86 specific condition code. These correspond to CondCode in
247 // X86ISelLowering.h. They must be kept in synch.
248 def X86_COND_A : PatLeaf<(i8 0)>;
249 def X86_COND_AE : PatLeaf<(i8 1)>;
250 def X86_COND_B : PatLeaf<(i8 2)>;
251 def X86_COND_BE : PatLeaf<(i8 3)>;
252 def X86_COND_E : PatLeaf<(i8 4)>;
253 def X86_COND_G : PatLeaf<(i8 5)>;
254 def X86_COND_GE : PatLeaf<(i8 6)>;
255 def X86_COND_L : PatLeaf<(i8 7)>;
256 def X86_COND_LE : PatLeaf<(i8 8)>;
257 def X86_COND_NE : PatLeaf<(i8 9)>;
258 def X86_COND_NO : PatLeaf<(i8 10)>;
259 def X86_COND_NP : PatLeaf<(i8 11)>;
260 def X86_COND_NS : PatLeaf<(i8 12)>;
261 def X86_COND_O : PatLeaf<(i8 13)>;
262 def X86_COND_P : PatLeaf<(i8 14)>;
263 def X86_COND_S : PatLeaf<(i8 15)>;
265 def i16immSExt8 : PatLeaf<(i16 imm), [{
266 // i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
267 // sign extended field.
268 return (int)N->getValue() == (signed char)N->getValue();
271 def i32immSExt8 : PatLeaf<(i32 imm), [{
272 // i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
273 // sign extended field.
274 return (int)N->getValue() == (signed char)N->getValue();
277 def i16immZExt8 : PatLeaf<(i16 imm), [{
278 // i16immZExt8 predicate - True if the 16-bit immediate fits in a 8-bit zero
280 return (unsigned)N->getValue() == (unsigned char)N->getValue();
283 // Helper fragments for loads.
284 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
285 def loadi16 : PatFrag<(ops node:$ptr), (i16 (load node:$ptr))>;
286 def loadi32 : PatFrag<(ops node:$ptr), (i32 (load node:$ptr))>;
287 def loadi64 : PatFrag<(ops node:$ptr), (i64 (load node:$ptr))>;
289 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
290 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
292 def sextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (sextload node:$ptr, i1))>;
293 def sextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i1))>;
294 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextload node:$ptr, i8))>;
295 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i8))>;
296 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i16))>;
298 def zextloadi8i1 : PatFrag<(ops node:$ptr), (i8 (zextload node:$ptr, i1))>;
299 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextload node:$ptr, i1))>;
300 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i1))>;
301 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextload node:$ptr, i8))>;
302 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i8))>;
303 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i16))>;
305 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extload node:$ptr, i1))>;
307 //===----------------------------------------------------------------------===//
308 // Instruction templates...
310 class I<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
311 : X86Inst<o, f, NoImm, ops, asm> {
312 let Pattern = pattern;
314 class Ii8 <bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
315 : X86Inst<o, f, Imm8 , ops, asm> {
316 let Pattern = pattern;
318 class Ii16<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
319 : X86Inst<o, f, Imm16, ops, asm> {
320 let Pattern = pattern;
322 class Ii32<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
323 : X86Inst<o, f, Imm32, ops, asm> {
324 let Pattern = pattern;
327 //===----------------------------------------------------------------------===//
328 // Instruction list...
331 def ADJCALLSTACKDOWN : I<0, Pseudo, (ops i32imm:$amt), "#ADJCALLSTACKDOWN",
332 [(X86callseq_start imm:$amt)]>;
333 def ADJCALLSTACKUP : I<0, Pseudo, (ops i32imm:$amt1, i32imm:$amt2),
335 [(X86callseq_end imm:$amt1, imm:$amt2)]>;
336 def IMPLICIT_USE : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_USE", []>;
337 def IMPLICIT_DEF : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_DEF", []>;
338 def IMPLICIT_DEF_R8 : I<0, Pseudo, (ops R8:$dst),
339 "#IMPLICIT_DEF $dst",
340 [(set R8:$dst, (undef))]>;
341 def IMPLICIT_DEF_R16 : I<0, Pseudo, (ops R16:$dst),
342 "#IMPLICIT_DEF $dst",
343 [(set R16:$dst, (undef))]>;
344 def IMPLICIT_DEF_R32 : I<0, Pseudo, (ops R32:$dst),
345 "#IMPLICIT_DEF $dst",
346 [(set R32:$dst, (undef))]>;
349 def NOOP : I<0x90, RawFrm, (ops), "nop", []>;
351 //===----------------------------------------------------------------------===//
352 // Control Flow Instructions...
355 // Return instructions.
356 let isTerminator = 1, isReturn = 1, isBarrier = 1,
357 hasCtrlDep = 1, noResults = 1 in {
358 def RET : I<0xC3, RawFrm, (ops), "ret", [(X86retflag 0)]>;
359 def RETI : Ii16<0xC2, RawFrm, (ops i16imm:$amt), "ret $amt",
360 [(X86retflag imm:$amt)]>;
363 // All branches are RawFrm, Void, Branch, and Terminators
364 let isBranch = 1, isTerminator = 1, noResults = 1 in
365 class IBr<bits<8> opcode, dag ops, string asm, list<dag> pattern> :
366 I<opcode, RawFrm, ops, asm, pattern>;
370 def JMP : IBr<0xE9, (ops brtarget:$dst), "jmp $dst", [(br bb:$dst)]>;
372 let isBranch = 1, isTerminator = 1, noResults = 1, isBarrier = 1 in {
373 def JMP32r : I<0xFF, MRM4r, (ops R32:$dst), "jmp{l} {*}$dst",
375 def JMP32m : I<0xFF, MRM4m, (ops i32mem:$dst), "jmp{l} {*}$dst",
376 [(brind (loadi32 addr:$dst))]>;
379 // Conditional branches
380 def JE : IBr<0x84, (ops brtarget:$dst), "je $dst",
381 [(X86brcond bb:$dst, X86_COND_E)]>, TB;
382 def JNE : IBr<0x85, (ops brtarget:$dst), "jne $dst",
383 [(X86brcond bb:$dst, X86_COND_NE)]>, TB;
384 def JL : IBr<0x8C, (ops brtarget:$dst), "jl $dst",
385 [(X86brcond bb:$dst, X86_COND_L)]>, TB;
386 def JLE : IBr<0x8E, (ops brtarget:$dst), "jle $dst",
387 [(X86brcond bb:$dst, X86_COND_LE)]>, TB;
388 def JG : IBr<0x8F, (ops brtarget:$dst), "jg $dst",
389 [(X86brcond bb:$dst, X86_COND_G)]>, TB;
390 def JGE : IBr<0x8D, (ops brtarget:$dst), "jge $dst",
391 [(X86brcond bb:$dst, X86_COND_GE)]>, TB;
393 def JB : IBr<0x82, (ops brtarget:$dst), "jb $dst",
394 [(X86brcond bb:$dst, X86_COND_B)]>, TB;
395 def JBE : IBr<0x86, (ops brtarget:$dst), "jbe $dst",
396 [(X86brcond bb:$dst, X86_COND_BE)]>, TB;
397 def JA : IBr<0x87, (ops brtarget:$dst), "ja $dst",
398 [(X86brcond bb:$dst, X86_COND_A)]>, TB;
399 def JAE : IBr<0x83, (ops brtarget:$dst), "jae $dst",
400 [(X86brcond bb:$dst, X86_COND_AE)]>, TB;
402 def JS : IBr<0x88, (ops brtarget:$dst), "js $dst",
403 [(X86brcond bb:$dst, X86_COND_S)]>, TB;
404 def JNS : IBr<0x89, (ops brtarget:$dst), "jns $dst",
405 [(X86brcond bb:$dst, X86_COND_NS)]>, TB;
406 def JP : IBr<0x8A, (ops brtarget:$dst), "jp $dst",
407 [(X86brcond bb:$dst, X86_COND_P)]>, TB;
408 def JNP : IBr<0x8B, (ops brtarget:$dst), "jnp $dst",
409 [(X86brcond bb:$dst, X86_COND_NP)]>, TB;
410 def JO : IBr<0x80, (ops brtarget:$dst), "jo $dst",
411 [(X86brcond bb:$dst, X86_COND_O)]>, TB;
412 def JNO : IBr<0x81, (ops brtarget:$dst), "jno $dst",
413 [(X86brcond bb:$dst, X86_COND_NO)]>, TB;
415 //===----------------------------------------------------------------------===//
416 // Call Instructions...
418 let isCall = 1, noResults = 1 in
419 // All calls clobber the non-callee saved registers...
420 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
421 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7] in {
422 def CALLpcrel32 : I<0xE8, RawFrm, (ops i32imm:$dst), "call ${dst:call}",
424 def CALL32r : I<0xFF, MRM2r, (ops R32:$dst), "call {*}$dst",
425 [(X86call R32:$dst)]>;
426 def CALL32m : I<0xFF, MRM2m, (ops i32mem:$dst), "call {*}$dst",
427 [(X86call (loadi32 addr:$dst))]>;
431 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
432 def TAILJMPd : IBr<0xE9, (ops i32imm:$dst), "jmp ${dst:call} # TAIL CALL", []>;
433 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
434 def TAILJMPr : I<0xFF, MRM4r, (ops R32:$dst), "jmp {*}$dst # TAIL CALL", []>;
435 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
436 def TAILJMPm : I<0xFF, MRM4m, (ops i32mem:$dst),
437 "jmp {*}$dst # TAIL CALL", []>;
439 // ADJSTACKPTRri - This is a standard ADD32ri instruction, identical in every
440 // way, except that it is marked as being a terminator. This causes the epilog
441 // inserter to insert reloads of callee saved registers BEFORE this. We need
442 // this until we have a more accurate way of tracking where the stack pointer is
443 // within a function.
444 let isTerminator = 1, isTwoAddress = 1 in
445 def ADJSTACKPTRri : Ii32<0x81, MRM0r, (ops R32:$dst, R32:$src1, i32imm:$src2),
446 "add{l} {$src2, $dst|$dst, $src2}", []>;
448 //===----------------------------------------------------------------------===//
449 // Miscellaneous Instructions...
451 def LEAVE : I<0xC9, RawFrm,
452 (ops), "leave", []>, Imp<[EBP,ESP],[EBP,ESP]>;
453 def POP32r : I<0x58, AddRegFrm,
454 (ops R32:$reg), "pop{l} $reg", []>, Imp<[ESP],[ESP]>;
456 def MovePCtoStack : I<0, Pseudo, (ops piclabel:$label),
459 let isTwoAddress = 1 in // R32 = bswap R32
460 def BSWAP32r : I<0xC8, AddRegFrm,
461 (ops R32:$dst, R32:$src),
463 [(set R32:$dst, (bswap R32:$src))]>, TB;
465 def XCHG8rr : I<0x86, MRMDestReg, // xchg R8, R8
466 (ops R8:$src1, R8:$src2),
467 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
468 def XCHG16rr : I<0x87, MRMDestReg, // xchg R16, R16
469 (ops R16:$src1, R16:$src2),
470 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
471 def XCHG32rr : I<0x87, MRMDestReg, // xchg R32, R32
472 (ops R32:$src1, R32:$src2),
473 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
475 def XCHG8mr : I<0x86, MRMDestMem,
476 (ops i8mem:$src1, R8:$src2),
477 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
478 def XCHG16mr : I<0x87, MRMDestMem,
479 (ops i16mem:$src1, R16:$src2),
480 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
481 def XCHG32mr : I<0x87, MRMDestMem,
482 (ops i32mem:$src1, R32:$src2),
483 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
484 def XCHG8rm : I<0x86, MRMSrcMem,
485 (ops R8:$src1, i8mem:$src2),
486 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
487 def XCHG16rm : I<0x87, MRMSrcMem,
488 (ops R16:$src1, i16mem:$src2),
489 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
490 def XCHG32rm : I<0x87, MRMSrcMem,
491 (ops R32:$src1, i32mem:$src2),
492 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
494 def LEA16r : I<0x8D, MRMSrcMem,
495 (ops R16:$dst, i32mem:$src),
496 "lea{w} {$src|$dst}, {$dst|$src}", []>, OpSize;
497 def LEA32r : I<0x8D, MRMSrcMem,
498 (ops R32:$dst, i32mem:$src),
499 "lea{l} {$src|$dst}, {$dst|$src}",
500 [(set R32:$dst, leaaddr:$src)]>;
502 def REP_MOVSB : I<0xA4, RawFrm, (ops), "{rep;movsb|rep movsb}",
504 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
505 def REP_MOVSW : I<0xA5, RawFrm, (ops), "{rep;movsw|rep movsw}",
506 [(X86rep_movs i16)]>,
507 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP, OpSize;
508 def REP_MOVSD : I<0xA5, RawFrm, (ops), "{rep;movsd|rep movsd}",
509 [(X86rep_movs i32)]>,
510 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
512 def REP_STOSB : I<0xAA, RawFrm, (ops), "{rep;stosb|rep stosb}",
514 Imp<[AL,ECX,EDI], [ECX,EDI]>, REP;
515 def REP_STOSW : I<0xAB, RawFrm, (ops), "{rep;stosw|rep stosw}",
516 [(X86rep_stos i16)]>,
517 Imp<[AX,ECX,EDI], [ECX,EDI]>, REP, OpSize;
518 def REP_STOSD : I<0xAB, RawFrm, (ops), "{rep;stosl|rep stosd}",
519 [(X86rep_stos i32)]>,
520 Imp<[EAX,ECX,EDI], [ECX,EDI]>, REP;
523 //===----------------------------------------------------------------------===//
524 // Input/Output Instructions...
526 def IN8rr : I<0xEC, RawFrm, (ops),
527 "in{b} {%dx, %al|%AL, %DX}",
528 []>, Imp<[DX], [AL]>;
529 def IN16rr : I<0xED, RawFrm, (ops),
530 "in{w} {%dx, %ax|%AX, %DX}",
531 []>, Imp<[DX], [AX]>, OpSize;
532 def IN32rr : I<0xED, RawFrm, (ops),
533 "in{l} {%dx, %eax|%EAX, %DX}",
534 []>, Imp<[DX],[EAX]>;
536 def IN8ri : Ii8<0xE4, RawFrm, (ops i16i8imm:$port),
537 "in{b} {$port, %al|%AL, $port}",
540 def IN16ri : Ii8<0xE5, RawFrm, (ops i16i8imm:$port),
541 "in{w} {$port, %ax|%AX, $port}",
543 Imp<[], [AX]>, OpSize;
544 def IN32ri : Ii8<0xE5, RawFrm, (ops i16i8imm:$port),
545 "in{l} {$port, %eax|%EAX, $port}",
549 def OUT8rr : I<0xEE, RawFrm, (ops),
550 "out{b} {%al, %dx|%DX, %AL}",
551 []>, Imp<[DX, AL], []>;
552 def OUT16rr : I<0xEF, RawFrm, (ops),
553 "out{w} {%ax, %dx|%DX, %AX}",
554 []>, Imp<[DX, AX], []>, OpSize;
555 def OUT32rr : I<0xEF, RawFrm, (ops),
556 "out{l} {%eax, %dx|%DX, %EAX}",
557 []>, Imp<[DX, EAX], []>;
559 def OUT8ir : Ii8<0xE6, RawFrm, (ops i16i8imm:$port),
560 "out{b} {%al, $port|$port, %AL}",
563 def OUT16ir : Ii8<0xE7, RawFrm, (ops i16i8imm:$port),
564 "out{w} {%ax, $port|$port, %AX}",
566 Imp<[AX], []>, OpSize;
567 def OUT32ir : Ii8<0xE7, RawFrm, (ops i16i8imm:$port),
568 "out{l} {%eax, $port|$port, %EAX}",
572 //===----------------------------------------------------------------------===//
573 // Move Instructions...
575 def MOV8rr : I<0x88, MRMDestReg, (ops R8 :$dst, R8 :$src),
576 "mov{b} {$src, $dst|$dst, $src}", []>;
577 def MOV16rr : I<0x89, MRMDestReg, (ops R16:$dst, R16:$src),
578 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
579 def MOV32rr : I<0x89, MRMDestReg, (ops R32:$dst, R32:$src),
580 "mov{l} {$src, $dst|$dst, $src}", []>;
581 def MOV8ri : Ii8 <0xB0, AddRegFrm, (ops R8 :$dst, i8imm :$src),
582 "mov{b} {$src, $dst|$dst, $src}",
583 [(set R8:$dst, imm:$src)]>;
584 def MOV16ri : Ii16<0xB8, AddRegFrm, (ops R16:$dst, i16imm:$src),
585 "mov{w} {$src, $dst|$dst, $src}",
586 [(set R16:$dst, imm:$src)]>, OpSize;
587 def MOV32ri : Ii32<0xB8, AddRegFrm, (ops R32:$dst, i32imm:$src),
588 "mov{l} {$src, $dst|$dst, $src}",
589 [(set R32:$dst, imm:$src)]>;
590 def MOV8mi : Ii8 <0xC6, MRM0m, (ops i8mem :$dst, i8imm :$src),
591 "mov{b} {$src, $dst|$dst, $src}",
592 [(store (i8 imm:$src), addr:$dst)]>;
593 def MOV16mi : Ii16<0xC7, MRM0m, (ops i16mem:$dst, i16imm:$src),
594 "mov{w} {$src, $dst|$dst, $src}",
595 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
596 def MOV32mi : Ii32<0xC7, MRM0m, (ops i32mem:$dst, i32imm:$src),
597 "mov{l} {$src, $dst|$dst, $src}",
598 [(store (i32 imm:$src), addr:$dst)]>;
600 def MOV8rm : I<0x8A, MRMSrcMem, (ops R8 :$dst, i8mem :$src),
601 "mov{b} {$src, $dst|$dst, $src}",
602 [(set R8:$dst, (load addr:$src))]>;
603 def MOV16rm : I<0x8B, MRMSrcMem, (ops R16:$dst, i16mem:$src),
604 "mov{w} {$src, $dst|$dst, $src}",
605 [(set R16:$dst, (load addr:$src))]>, OpSize;
606 def MOV32rm : I<0x8B, MRMSrcMem, (ops R32:$dst, i32mem:$src),
607 "mov{l} {$src, $dst|$dst, $src}",
608 [(set R32:$dst, (load addr:$src))]>;
610 def MOV8mr : I<0x88, MRMDestMem, (ops i8mem :$dst, R8 :$src),
611 "mov{b} {$src, $dst|$dst, $src}",
612 [(store R8:$src, addr:$dst)]>;
613 def MOV16mr : I<0x89, MRMDestMem, (ops i16mem:$dst, R16:$src),
614 "mov{w} {$src, $dst|$dst, $src}",
615 [(store R16:$src, addr:$dst)]>, OpSize;
616 def MOV32mr : I<0x89, MRMDestMem, (ops i32mem:$dst, R32:$src),
617 "mov{l} {$src, $dst|$dst, $src}",
618 [(store R32:$src, addr:$dst)]>;
620 //===----------------------------------------------------------------------===//
621 // Fixed-Register Multiplication and Division Instructions...
624 // Extra precision multiplication
625 def MUL8r : I<0xF6, MRM4r, (ops R8:$src), "mul{b} $src",
626 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
627 // This probably ought to be moved to a def : Pat<> if the
628 // syntax can be accepted.
629 [(set AL, (mul AL, R8:$src))]>,
630 Imp<[AL],[AX]>; // AL,AH = AL*R8
631 def MUL16r : I<0xF7, MRM4r, (ops R16:$src), "mul{w} $src", []>,
632 Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*R16
633 def MUL32r : I<0xF7, MRM4r, (ops R32:$src), "mul{l} $src", []>,
634 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*R32
635 def MUL8m : I<0xF6, MRM4m, (ops i8mem :$src),
637 // FIXME: Used for 8-bit mul, ignore result upper 8 bits.
638 // This probably ought to be moved to a def : Pat<> if the
639 // syntax can be accepted.
640 [(set AL, (mul AL, (loadi8 addr:$src)))]>,
641 Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
642 def MUL16m : I<0xF7, MRM4m, (ops i16mem:$src),
643 "mul{w} $src", []>, Imp<[AX],[AX,DX]>,
644 OpSize; // AX,DX = AX*[mem16]
645 def MUL32m : I<0xF7, MRM4m, (ops i32mem:$src),
646 "mul{l} $src", []>, Imp<[EAX],[EAX,EDX]>;// EAX,EDX = EAX*[mem32]
648 def IMUL8r : I<0xF6, MRM5r, (ops R8:$src), "imul{b} $src", []>,
649 Imp<[AL],[AX]>; // AL,AH = AL*R8
650 def IMUL16r : I<0xF7, MRM5r, (ops R16:$src), "imul{w} $src", []>,
651 Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*R16
652 def IMUL32r : I<0xF7, MRM5r, (ops R32:$src), "imul{l} $src", []>,
653 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*R32
654 def IMUL8m : I<0xF6, MRM5m, (ops i8mem :$src),
655 "imul{b} $src", []>, Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
656 def IMUL16m : I<0xF7, MRM5m, (ops i16mem:$src),
657 "imul{w} $src", []>, Imp<[AX],[AX,DX]>,
658 OpSize; // AX,DX = AX*[mem16]
659 def IMUL32m : I<0xF7, MRM5m, (ops i32mem:$src),
661 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*[mem32]
663 // unsigned division/remainder
664 def DIV8r : I<0xF6, MRM6r, (ops R8:$src), // AX/r8 = AL,AH
665 "div{b} $src", []>, Imp<[AX],[AX]>;
666 def DIV16r : I<0xF7, MRM6r, (ops R16:$src), // DX:AX/r16 = AX,DX
667 "div{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
668 def DIV32r : I<0xF7, MRM6r, (ops R32:$src), // EDX:EAX/r32 = EAX,EDX
669 "div{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
670 def DIV8m : I<0xF6, MRM6m, (ops i8mem:$src), // AX/[mem8] = AL,AH
671 "div{b} $src", []>, Imp<[AX],[AX]>;
672 def DIV16m : I<0xF7, MRM6m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX
673 "div{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
674 def DIV32m : I<0xF7, MRM6m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
675 "div{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
677 // Signed division/remainder.
678 def IDIV8r : I<0xF6, MRM7r, (ops R8:$src), // AX/r8 = AL,AH
679 "idiv{b} $src", []>, Imp<[AX],[AX]>;
680 def IDIV16r: I<0xF7, MRM7r, (ops R16:$src), // DX:AX/r16 = AX,DX
681 "idiv{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
682 def IDIV32r: I<0xF7, MRM7r, (ops R32:$src), // EDX:EAX/r32 = EAX,EDX
683 "idiv{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
684 def IDIV8m : I<0xF6, MRM7m, (ops i8mem:$src), // AX/[mem8] = AL,AH
685 "idiv{b} $src", []>, Imp<[AX],[AX]>;
686 def IDIV16m: I<0xF7, MRM7m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX
687 "idiv{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
688 def IDIV32m: I<0xF7, MRM7m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
689 "idiv{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
691 // Sign-extenders for division.
692 def CBW : I<0x98, RawFrm, (ops),
693 "{cbtw|cbw}", []>, Imp<[AL],[AH]>; // AX = signext(AL)
694 def CWD : I<0x99, RawFrm, (ops),
695 "{cwtd|cwd}", []>, Imp<[AX],[DX]>; // DX:AX = signext(AX)
696 def CDQ : I<0x99, RawFrm, (ops),
697 "{cltd|cdq}", []>, Imp<[EAX],[EDX]>; // EDX:EAX = signext(EAX)
700 //===----------------------------------------------------------------------===//
701 // Two address Instructions...
703 let isTwoAddress = 1 in {
706 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, R16 = R16
707 (ops R16:$dst, R16:$src1, R16:$src2),
708 "cmovb {$src2, $dst|$dst, $src2}",
709 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
712 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, R16 = [mem16]
713 (ops R16:$dst, R16:$src1, i16mem:$src2),
714 "cmovb {$src2, $dst|$dst, $src2}",
715 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
718 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, R32 = R32
719 (ops R32:$dst, R32:$src1, R32:$src2),
720 "cmovb {$src2, $dst|$dst, $src2}",
721 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
724 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, R32 = [mem32]
725 (ops R32:$dst, R32:$src1, i32mem:$src2),
726 "cmovb {$src2, $dst|$dst, $src2}",
727 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
731 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, R16 = R16
732 (ops R16:$dst, R16:$src1, R16:$src2),
733 "cmovae {$src2, $dst|$dst, $src2}",
734 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
737 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, R16 = [mem16]
738 (ops R16:$dst, R16:$src1, i16mem:$src2),
739 "cmovae {$src2, $dst|$dst, $src2}",
740 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
743 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, R32 = R32
744 (ops R32:$dst, R32:$src1, R32:$src2),
745 "cmovae {$src2, $dst|$dst, $src2}",
746 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
749 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, R32 = [mem32]
750 (ops R32:$dst, R32:$src1, i32mem:$src2),
751 "cmovae {$src2, $dst|$dst, $src2}",
752 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
756 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, R16 = R16
757 (ops R16:$dst, R16:$src1, R16:$src2),
758 "cmove {$src2, $dst|$dst, $src2}",
759 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
762 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, R16 = [mem16]
763 (ops R16:$dst, R16:$src1, i16mem:$src2),
764 "cmove {$src2, $dst|$dst, $src2}",
765 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
768 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, R32 = R32
769 (ops R32:$dst, R32:$src1, R32:$src2),
770 "cmove {$src2, $dst|$dst, $src2}",
771 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
774 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, R32 = [mem32]
775 (ops R32:$dst, R32:$src1, i32mem:$src2),
776 "cmove {$src2, $dst|$dst, $src2}",
777 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
781 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, R16 = R16
782 (ops R16:$dst, R16:$src1, R16:$src2),
783 "cmovne {$src2, $dst|$dst, $src2}",
784 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
787 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, R16 = [mem16]
788 (ops R16:$dst, R16:$src1, i16mem:$src2),
789 "cmovne {$src2, $dst|$dst, $src2}",
790 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
793 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, R32 = R32
794 (ops R32:$dst, R32:$src1, R32:$src2),
795 "cmovne {$src2, $dst|$dst, $src2}",
796 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
799 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, R32 = [mem32]
800 (ops R32:$dst, R32:$src1, i32mem:$src2),
801 "cmovne {$src2, $dst|$dst, $src2}",
802 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
806 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, R16 = R16
807 (ops R16:$dst, R16:$src1, R16:$src2),
808 "cmovbe {$src2, $dst|$dst, $src2}",
809 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
812 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, R16 = [mem16]
813 (ops R16:$dst, R16:$src1, i16mem:$src2),
814 "cmovbe {$src2, $dst|$dst, $src2}",
815 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
818 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, R32 = R32
819 (ops R32:$dst, R32:$src1, R32:$src2),
820 "cmovbe {$src2, $dst|$dst, $src2}",
821 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
824 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, R32 = [mem32]
825 (ops R32:$dst, R32:$src1, i32mem:$src2),
826 "cmovbe {$src2, $dst|$dst, $src2}",
827 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
831 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, R16 = R16
832 (ops R16:$dst, R16:$src1, R16:$src2),
833 "cmova {$src2, $dst|$dst, $src2}",
834 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
837 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, R16 = [mem16]
838 (ops R16:$dst, R16:$src1, i16mem:$src2),
839 "cmova {$src2, $dst|$dst, $src2}",
840 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
843 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, R32 = R32
844 (ops R32:$dst, R32:$src1, R32:$src2),
845 "cmova {$src2, $dst|$dst, $src2}",
846 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
849 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, R32 = [mem32]
850 (ops R32:$dst, R32:$src1, i32mem:$src2),
851 "cmova {$src2, $dst|$dst, $src2}",
852 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
856 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, R16 = R16
857 (ops R16:$dst, R16:$src1, R16:$src2),
858 "cmovl {$src2, $dst|$dst, $src2}",
859 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
862 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, R16 = [mem16]
863 (ops R16:$dst, R16:$src1, i16mem:$src2),
864 "cmovl {$src2, $dst|$dst, $src2}",
865 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
868 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, R32 = R32
869 (ops R32:$dst, R32:$src1, R32:$src2),
870 "cmovl {$src2, $dst|$dst, $src2}",
871 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
874 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, R32 = [mem32]
875 (ops R32:$dst, R32:$src1, i32mem:$src2),
876 "cmovl {$src2, $dst|$dst, $src2}",
877 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
881 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, R16 = R16
882 (ops R16:$dst, R16:$src1, R16:$src2),
883 "cmovge {$src2, $dst|$dst, $src2}",
884 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
887 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, R16 = [mem16]
888 (ops R16:$dst, R16:$src1, i16mem:$src2),
889 "cmovge {$src2, $dst|$dst, $src2}",
890 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
893 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, R32 = R32
894 (ops R32:$dst, R32:$src1, R32:$src2),
895 "cmovge {$src2, $dst|$dst, $src2}",
896 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
899 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, R32 = [mem32]
900 (ops R32:$dst, R32:$src1, i32mem:$src2),
901 "cmovge {$src2, $dst|$dst, $src2}",
902 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
906 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, R16 = R16
907 (ops R16:$dst, R16:$src1, R16:$src2),
908 "cmovle {$src2, $dst|$dst, $src2}",
909 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
912 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, R16 = [mem16]
913 (ops R16:$dst, R16:$src1, i16mem:$src2),
914 "cmovle {$src2, $dst|$dst, $src2}",
915 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
918 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, R32 = R32
919 (ops R32:$dst, R32:$src1, R32:$src2),
920 "cmovle {$src2, $dst|$dst, $src2}",
921 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
924 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, R32 = [mem32]
925 (ops R32:$dst, R32:$src1, i32mem:$src2),
926 "cmovle {$src2, $dst|$dst, $src2}",
927 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
931 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, R16 = R16
932 (ops R16:$dst, R16:$src1, R16:$src2),
933 "cmovg {$src2, $dst|$dst, $src2}",
934 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
937 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, R16 = [mem16]
938 (ops R16:$dst, R16:$src1, i16mem:$src2),
939 "cmovg {$src2, $dst|$dst, $src2}",
940 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
943 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, R32 = R32
944 (ops R32:$dst, R32:$src1, R32:$src2),
945 "cmovg {$src2, $dst|$dst, $src2}",
946 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
949 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, R32 = [mem32]
950 (ops R32:$dst, R32:$src1, i32mem:$src2),
951 "cmovg {$src2, $dst|$dst, $src2}",
952 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
956 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, R16 = R16
957 (ops R16:$dst, R16:$src1, R16:$src2),
958 "cmovs {$src2, $dst|$dst, $src2}",
959 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
962 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, R16 = [mem16]
963 (ops R16:$dst, R16:$src1, i16mem:$src2),
964 "cmovs {$src2, $dst|$dst, $src2}",
965 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
968 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, R32 = R32
969 (ops R32:$dst, R32:$src1, R32:$src2),
970 "cmovs {$src2, $dst|$dst, $src2}",
971 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
974 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, R32 = [mem32]
975 (ops R32:$dst, R32:$src1, i32mem:$src2),
976 "cmovs {$src2, $dst|$dst, $src2}",
977 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
981 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, R16 = R16
982 (ops R16:$dst, R16:$src1, R16:$src2),
983 "cmovns {$src2, $dst|$dst, $src2}",
984 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
987 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, R16 = [mem16]
988 (ops R16:$dst, R16:$src1, i16mem:$src2),
989 "cmovns {$src2, $dst|$dst, $src2}",
990 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
993 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, R32 = R32
994 (ops R32:$dst, R32:$src1, R32:$src2),
995 "cmovns {$src2, $dst|$dst, $src2}",
996 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
999 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, R32 = [mem32]
1000 (ops R32:$dst, R32:$src1, i32mem:$src2),
1001 "cmovns {$src2, $dst|$dst, $src2}",
1002 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
1006 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, R16 = R16
1007 (ops R16:$dst, R16:$src1, R16:$src2),
1008 "cmovp {$src2, $dst|$dst, $src2}",
1009 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
1012 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, R16 = [mem16]
1013 (ops R16:$dst, R16:$src1, i16mem:$src2),
1014 "cmovp {$src2, $dst|$dst, $src2}",
1015 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
1018 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, R32 = R32
1019 (ops R32:$dst, R32:$src1, R32:$src2),
1020 "cmovp {$src2, $dst|$dst, $src2}",
1021 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
1024 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, R32 = [mem32]
1025 (ops R32:$dst, R32:$src1, i32mem:$src2),
1026 "cmovp {$src2, $dst|$dst, $src2}",
1027 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
1031 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, R16 = R16
1032 (ops R16:$dst, R16:$src1, R16:$src2),
1033 "cmovnp {$src2, $dst|$dst, $src2}",
1034 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
1037 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, R16 = [mem16]
1038 (ops R16:$dst, R16:$src1, i16mem:$src2),
1039 "cmovnp {$src2, $dst|$dst, $src2}",
1040 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
1043 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, R32 = R32
1044 (ops R32:$dst, R32:$src1, R32:$src2),
1045 "cmovnp {$src2, $dst|$dst, $src2}",
1046 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
1049 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, R32 = [mem32]
1050 (ops R32:$dst, R32:$src1, i32mem:$src2),
1051 "cmovnp {$src2, $dst|$dst, $src2}",
1052 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
1057 // unary instructions
1058 def NEG8r : I<0xF6, MRM3r, (ops R8 :$dst, R8 :$src), "neg{b} $dst",
1059 [(set R8:$dst, (ineg R8:$src))]>;
1060 def NEG16r : I<0xF7, MRM3r, (ops R16:$dst, R16:$src), "neg{w} $dst",
1061 [(set R16:$dst, (ineg R16:$src))]>, OpSize;
1062 def NEG32r : I<0xF7, MRM3r, (ops R32:$dst, R32:$src), "neg{l} $dst",
1063 [(set R32:$dst, (ineg R32:$src))]>;
1064 let isTwoAddress = 0 in {
1065 def NEG8m : I<0xF6, MRM3m, (ops i8mem :$dst), "neg{b} $dst",
1066 [(store (ineg (loadi8 addr:$dst)), addr:$dst)]>;
1067 def NEG16m : I<0xF7, MRM3m, (ops i16mem:$dst), "neg{w} $dst",
1068 [(store (ineg (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1069 def NEG32m : I<0xF7, MRM3m, (ops i32mem:$dst), "neg{l} $dst",
1070 [(store (ineg (loadi32 addr:$dst)), addr:$dst)]>;
1074 def NOT8r : I<0xF6, MRM2r, (ops R8 :$dst, R8 :$src), "not{b} $dst",
1075 [(set R8:$dst, (not R8:$src))]>;
1076 def NOT16r : I<0xF7, MRM2r, (ops R16:$dst, R16:$src), "not{w} $dst",
1077 [(set R16:$dst, (not R16:$src))]>, OpSize;
1078 def NOT32r : I<0xF7, MRM2r, (ops R32:$dst, R32:$src), "not{l} $dst",
1079 [(set R32:$dst, (not R32:$src))]>;
1080 let isTwoAddress = 0 in {
1081 def NOT8m : I<0xF6, MRM2m, (ops i8mem :$dst), "not{b} $dst",
1082 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1083 def NOT16m : I<0xF7, MRM2m, (ops i16mem:$dst), "not{w} $dst",
1084 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1085 def NOT32m : I<0xF7, MRM2m, (ops i32mem:$dst), "not{l} $dst",
1086 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1089 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1090 def INC8r : I<0xFE, MRM0r, (ops R8 :$dst, R8 :$src), "inc{b} $dst",
1091 [(set R8:$dst, (add R8:$src, 1))]>;
1092 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1093 def INC16r : I<0xFF, MRM0r, (ops R16:$dst, R16:$src), "inc{w} $dst",
1094 [(set R16:$dst, (add R16:$src, 1))]>, OpSize;
1095 def INC32r : I<0xFF, MRM0r, (ops R32:$dst, R32:$src), "inc{l} $dst",
1096 [(set R32:$dst, (add R32:$src, 1))]>;
1098 let isTwoAddress = 0 in {
1099 def INC8m : I<0xFE, MRM0m, (ops i8mem :$dst), "inc{b} $dst",
1100 [(store (add (loadi8 addr:$dst), 1), addr:$dst)]>;
1101 def INC16m : I<0xFF, MRM0m, (ops i16mem:$dst), "inc{w} $dst",
1102 [(store (add (loadi16 addr:$dst), 1), addr:$dst)]>, OpSize;
1103 def INC32m : I<0xFF, MRM0m, (ops i32mem:$dst), "inc{l} $dst",
1104 [(store (add (loadi32 addr:$dst), 1), addr:$dst)]>;
1107 def DEC8r : I<0xFE, MRM1r, (ops R8 :$dst, R8 :$src), "dec{b} $dst",
1108 [(set R8:$dst, (add R8:$src, -1))]>;
1109 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1110 def DEC16r : I<0xFF, MRM1r, (ops R16:$dst, R16:$src), "dec{w} $dst",
1111 [(set R16:$dst, (add R16:$src, -1))]>, OpSize;
1112 def DEC32r : I<0xFF, MRM1r, (ops R32:$dst, R32:$src), "dec{l} $dst",
1113 [(set R32:$dst, (add R32:$src, -1))]>;
1116 let isTwoAddress = 0 in {
1117 def DEC8m : I<0xFE, MRM1m, (ops i8mem :$dst), "dec{b} $dst",
1118 [(store (add (loadi8 addr:$dst), -1), addr:$dst)]>;
1119 def DEC16m : I<0xFF, MRM1m, (ops i16mem:$dst), "dec{w} $dst",
1120 [(store (add (loadi16 addr:$dst), -1), addr:$dst)]>, OpSize;
1121 def DEC32m : I<0xFF, MRM1m, (ops i32mem:$dst), "dec{l} $dst",
1122 [(store (add (loadi32 addr:$dst), -1), addr:$dst)]>;
1125 // Logical operators...
1126 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1127 def AND8rr : I<0x20, MRMDestReg,
1128 (ops R8 :$dst, R8 :$src1, R8 :$src2),
1129 "and{b} {$src2, $dst|$dst, $src2}",
1130 [(set R8:$dst, (and R8:$src1, R8:$src2))]>;
1131 def AND16rr : I<0x21, MRMDestReg,
1132 (ops R16:$dst, R16:$src1, R16:$src2),
1133 "and{w} {$src2, $dst|$dst, $src2}",
1134 [(set R16:$dst, (and R16:$src1, R16:$src2))]>, OpSize;
1135 def AND32rr : I<0x21, MRMDestReg,
1136 (ops R32:$dst, R32:$src1, R32:$src2),
1137 "and{l} {$src2, $dst|$dst, $src2}",
1138 [(set R32:$dst, (and R32:$src1, R32:$src2))]>;
1141 def AND8rm : I<0x22, MRMSrcMem,
1142 (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1143 "and{b} {$src2, $dst|$dst, $src2}",
1144 [(set R8:$dst, (and R8:$src1, (load addr:$src2)))]>;
1145 def AND16rm : I<0x23, MRMSrcMem,
1146 (ops R16:$dst, R16:$src1, i16mem:$src2),
1147 "and{w} {$src2, $dst|$dst, $src2}",
1148 [(set R16:$dst, (and R16:$src1, (load addr:$src2)))]>, OpSize;
1149 def AND32rm : I<0x23, MRMSrcMem,
1150 (ops R32:$dst, R32:$src1, i32mem:$src2),
1151 "and{l} {$src2, $dst|$dst, $src2}",
1152 [(set R32:$dst, (and R32:$src1, (load addr:$src2)))]>;
1154 def AND8ri : Ii8<0x80, MRM4r,
1155 (ops R8 :$dst, R8 :$src1, i8imm :$src2),
1156 "and{b} {$src2, $dst|$dst, $src2}",
1157 [(set R8:$dst, (and R8:$src1, imm:$src2))]>;
1158 def AND16ri : Ii16<0x81, MRM4r,
1159 (ops R16:$dst, R16:$src1, i16imm:$src2),
1160 "and{w} {$src2, $dst|$dst, $src2}",
1161 [(set R16:$dst, (and R16:$src1, imm:$src2))]>, OpSize;
1162 def AND32ri : Ii32<0x81, MRM4r,
1163 (ops R32:$dst, R32:$src1, i32imm:$src2),
1164 "and{l} {$src2, $dst|$dst, $src2}",
1165 [(set R32:$dst, (and R32:$src1, imm:$src2))]>;
1166 def AND16ri8 : Ii8<0x83, MRM4r,
1167 (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1168 "and{w} {$src2, $dst|$dst, $src2}",
1169 [(set R16:$dst, (and R16:$src1, i16immSExt8:$src2))]>,
1171 def AND32ri8 : Ii8<0x83, MRM4r,
1172 (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1173 "and{l} {$src2, $dst|$dst, $src2}",
1174 [(set R32:$dst, (and R32:$src1, i32immSExt8:$src2))]>;
1176 let isTwoAddress = 0 in {
1177 def AND8mr : I<0x20, MRMDestMem,
1178 (ops i8mem :$dst, R8 :$src),
1179 "and{b} {$src, $dst|$dst, $src}",
1180 [(store (and (load addr:$dst), R8:$src), addr:$dst)]>;
1181 def AND16mr : I<0x21, MRMDestMem,
1182 (ops i16mem:$dst, R16:$src),
1183 "and{w} {$src, $dst|$dst, $src}",
1184 [(store (and (load addr:$dst), R16:$src), addr:$dst)]>,
1186 def AND32mr : I<0x21, MRMDestMem,
1187 (ops i32mem:$dst, R32:$src),
1188 "and{l} {$src, $dst|$dst, $src}",
1189 [(store (and (load addr:$dst), R32:$src), addr:$dst)]>;
1190 def AND8mi : Ii8<0x80, MRM4m,
1191 (ops i8mem :$dst, i8imm :$src),
1192 "and{b} {$src, $dst|$dst, $src}",
1193 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1194 def AND16mi : Ii16<0x81, MRM4m,
1195 (ops i16mem:$dst, i16imm:$src),
1196 "and{w} {$src, $dst|$dst, $src}",
1197 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1199 def AND32mi : Ii32<0x81, MRM4m,
1200 (ops i32mem:$dst, i32imm:$src),
1201 "and{l} {$src, $dst|$dst, $src}",
1202 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1203 def AND16mi8 : Ii8<0x83, MRM4m,
1204 (ops i16mem:$dst, i16i8imm :$src),
1205 "and{w} {$src, $dst|$dst, $src}",
1206 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1208 def AND32mi8 : Ii8<0x83, MRM4m,
1209 (ops i32mem:$dst, i32i8imm :$src),
1210 "and{l} {$src, $dst|$dst, $src}",
1211 [(store (and (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1215 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1216 def OR8rr : I<0x08, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
1217 "or{b} {$src2, $dst|$dst, $src2}",
1218 [(set R8:$dst, (or R8:$src1, R8:$src2))]>;
1219 def OR16rr : I<0x09, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1220 "or{w} {$src2, $dst|$dst, $src2}",
1221 [(set R16:$dst, (or R16:$src1, R16:$src2))]>, OpSize;
1222 def OR32rr : I<0x09, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1223 "or{l} {$src2, $dst|$dst, $src2}",
1224 [(set R32:$dst, (or R32:$src1, R32:$src2))]>;
1226 def OR8rm : I<0x0A, MRMSrcMem , (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1227 "or{b} {$src2, $dst|$dst, $src2}",
1228 [(set R8:$dst, (or R8:$src1, (load addr:$src2)))]>;
1229 def OR16rm : I<0x0B, MRMSrcMem , (ops R16:$dst, R16:$src1, i16mem:$src2),
1230 "or{w} {$src2, $dst|$dst, $src2}",
1231 [(set R16:$dst, (or R16:$src1, (load addr:$src2)))]>, OpSize;
1232 def OR32rm : I<0x0B, MRMSrcMem , (ops R32:$dst, R32:$src1, i32mem:$src2),
1233 "or{l} {$src2, $dst|$dst, $src2}",
1234 [(set R32:$dst, (or R32:$src1, (load addr:$src2)))]>;
1236 def OR8ri : Ii8 <0x80, MRM1r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1237 "or{b} {$src2, $dst|$dst, $src2}",
1238 [(set R8:$dst, (or R8:$src1, imm:$src2))]>;
1239 def OR16ri : Ii16<0x81, MRM1r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1240 "or{w} {$src2, $dst|$dst, $src2}",
1241 [(set R16:$dst, (or R16:$src1, imm:$src2))]>, OpSize;
1242 def OR32ri : Ii32<0x81, MRM1r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1243 "or{l} {$src2, $dst|$dst, $src2}",
1244 [(set R32:$dst, (or R32:$src1, imm:$src2))]>;
1246 def OR16ri8 : Ii8<0x83, MRM1r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1247 "or{w} {$src2, $dst|$dst, $src2}",
1248 [(set R16:$dst, (or R16:$src1, i16immSExt8:$src2))]>, OpSize;
1249 def OR32ri8 : Ii8<0x83, MRM1r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1250 "or{l} {$src2, $dst|$dst, $src2}",
1251 [(set R32:$dst, (or R32:$src1, i32immSExt8:$src2))]>;
1252 let isTwoAddress = 0 in {
1253 def OR8mr : I<0x08, MRMDestMem, (ops i8mem:$dst, R8:$src),
1254 "or{b} {$src, $dst|$dst, $src}",
1255 [(store (or (load addr:$dst), R8:$src), addr:$dst)]>;
1256 def OR16mr : I<0x09, MRMDestMem, (ops i16mem:$dst, R16:$src),
1257 "or{w} {$src, $dst|$dst, $src}",
1258 [(store (or (load addr:$dst), R16:$src), addr:$dst)]>, OpSize;
1259 def OR32mr : I<0x09, MRMDestMem, (ops i32mem:$dst, R32:$src),
1260 "or{l} {$src, $dst|$dst, $src}",
1261 [(store (or (load addr:$dst), R32:$src), addr:$dst)]>;
1262 def OR8mi : Ii8<0x80, MRM1m, (ops i8mem :$dst, i8imm:$src),
1263 "or{b} {$src, $dst|$dst, $src}",
1264 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1265 def OR16mi : Ii16<0x81, MRM1m, (ops i16mem:$dst, i16imm:$src),
1266 "or{w} {$src, $dst|$dst, $src}",
1267 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1269 def OR32mi : Ii32<0x81, MRM1m, (ops i32mem:$dst, i32imm:$src),
1270 "or{l} {$src, $dst|$dst, $src}",
1271 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1272 def OR16mi8 : Ii8<0x83, MRM1m, (ops i16mem:$dst, i16i8imm:$src),
1273 "or{w} {$src, $dst|$dst, $src}",
1274 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1276 def OR32mi8 : Ii8<0x83, MRM1m, (ops i32mem:$dst, i32i8imm:$src),
1277 "or{l} {$src, $dst|$dst, $src}",
1278 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1282 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1283 def XOR8rr : I<0x30, MRMDestReg,
1284 (ops R8 :$dst, R8 :$src1, R8 :$src2),
1285 "xor{b} {$src2, $dst|$dst, $src2}",
1286 [(set R8:$dst, (xor R8:$src1, R8:$src2))]>;
1287 def XOR16rr : I<0x31, MRMDestReg,
1288 (ops R16:$dst, R16:$src1, R16:$src2),
1289 "xor{w} {$src2, $dst|$dst, $src2}",
1290 [(set R16:$dst, (xor R16:$src1, R16:$src2))]>, OpSize;
1291 def XOR32rr : I<0x31, MRMDestReg,
1292 (ops R32:$dst, R32:$src1, R32:$src2),
1293 "xor{l} {$src2, $dst|$dst, $src2}",
1294 [(set R32:$dst, (xor R32:$src1, R32:$src2))]>;
1297 def XOR8rm : I<0x32, MRMSrcMem ,
1298 (ops R8 :$dst, R8:$src1, i8mem :$src2),
1299 "xor{b} {$src2, $dst|$dst, $src2}",
1300 [(set R8:$dst, (xor R8:$src1, (load addr:$src2)))]>;
1301 def XOR16rm : I<0x33, MRMSrcMem ,
1302 (ops R16:$dst, R16:$src1, i16mem:$src2),
1303 "xor{w} {$src2, $dst|$dst, $src2}",
1304 [(set R16:$dst, (xor R16:$src1, (load addr:$src2)))]>, OpSize;
1305 def XOR32rm : I<0x33, MRMSrcMem ,
1306 (ops R32:$dst, R32:$src1, i32mem:$src2),
1307 "xor{l} {$src2, $dst|$dst, $src2}",
1308 [(set R32:$dst, (xor R32:$src1, (load addr:$src2)))]>;
1310 def XOR8ri : Ii8<0x80, MRM6r,
1311 (ops R8:$dst, R8:$src1, i8imm:$src2),
1312 "xor{b} {$src2, $dst|$dst, $src2}",
1313 [(set R8:$dst, (xor R8:$src1, imm:$src2))]>;
1314 def XOR16ri : Ii16<0x81, MRM6r,
1315 (ops R16:$dst, R16:$src1, i16imm:$src2),
1316 "xor{w} {$src2, $dst|$dst, $src2}",
1317 [(set R16:$dst, (xor R16:$src1, imm:$src2))]>, OpSize;
1318 def XOR32ri : Ii32<0x81, MRM6r,
1319 (ops R32:$dst, R32:$src1, i32imm:$src2),
1320 "xor{l} {$src2, $dst|$dst, $src2}",
1321 [(set R32:$dst, (xor R32:$src1, imm:$src2))]>;
1322 def XOR16ri8 : Ii8<0x83, MRM6r,
1323 (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1324 "xor{w} {$src2, $dst|$dst, $src2}",
1325 [(set R16:$dst, (xor R16:$src1, i16immSExt8:$src2))]>,
1327 def XOR32ri8 : Ii8<0x83, MRM6r,
1328 (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1329 "xor{l} {$src2, $dst|$dst, $src2}",
1330 [(set R32:$dst, (xor R32:$src1, i32immSExt8:$src2))]>;
1331 let isTwoAddress = 0 in {
1332 def XOR8mr : I<0x30, MRMDestMem,
1333 (ops i8mem :$dst, R8 :$src),
1334 "xor{b} {$src, $dst|$dst, $src}",
1335 [(store (xor (load addr:$dst), R8:$src), addr:$dst)]>;
1336 def XOR16mr : I<0x31, MRMDestMem,
1337 (ops i16mem:$dst, R16:$src),
1338 "xor{w} {$src, $dst|$dst, $src}",
1339 [(store (xor (load addr:$dst), R16:$src), addr:$dst)]>,
1341 def XOR32mr : I<0x31, MRMDestMem,
1342 (ops i32mem:$dst, R32:$src),
1343 "xor{l} {$src, $dst|$dst, $src}",
1344 [(store (xor (load addr:$dst), R32:$src), addr:$dst)]>;
1345 def XOR8mi : Ii8<0x80, MRM6m,
1346 (ops i8mem :$dst, i8imm :$src),
1347 "xor{b} {$src, $dst|$dst, $src}",
1348 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1349 def XOR16mi : Ii16<0x81, MRM6m,
1350 (ops i16mem:$dst, i16imm:$src),
1351 "xor{w} {$src, $dst|$dst, $src}",
1352 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1354 def XOR32mi : Ii32<0x81, MRM6m,
1355 (ops i32mem:$dst, i32imm:$src),
1356 "xor{l} {$src, $dst|$dst, $src}",
1357 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1358 def XOR16mi8 : Ii8<0x83, MRM6m,
1359 (ops i16mem:$dst, i16i8imm :$src),
1360 "xor{w} {$src, $dst|$dst, $src}",
1361 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1363 def XOR32mi8 : Ii8<0x83, MRM6m,
1364 (ops i32mem:$dst, i32i8imm :$src),
1365 "xor{l} {$src, $dst|$dst, $src}",
1366 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1369 // Shift instructions
1370 def SHL8rCL : I<0xD2, MRM4r, (ops R8 :$dst, R8 :$src),
1371 "shl{b} {%cl, $dst|$dst, %CL}",
1372 [(set R8:$dst, (shl R8:$src, CL))]>, Imp<[CL],[]>;
1373 def SHL16rCL : I<0xD3, MRM4r, (ops R16:$dst, R16:$src),
1374 "shl{w} {%cl, $dst|$dst, %CL}",
1375 [(set R16:$dst, (shl R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1376 def SHL32rCL : I<0xD3, MRM4r, (ops R32:$dst, R32:$src),
1377 "shl{l} {%cl, $dst|$dst, %CL}",
1378 [(set R32:$dst, (shl R32:$src, CL))]>, Imp<[CL],[]>;
1380 def SHL8ri : Ii8<0xC0, MRM4r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1381 "shl{b} {$src2, $dst|$dst, $src2}",
1382 [(set R8:$dst, (shl R8:$src1, (i8 imm:$src2)))]>;
1383 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1384 def SHL16ri : Ii8<0xC1, MRM4r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1385 "shl{w} {$src2, $dst|$dst, $src2}",
1386 [(set R16:$dst, (shl R16:$src1, (i8 imm:$src2)))]>, OpSize;
1387 def SHL32ri : Ii8<0xC1, MRM4r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1388 "shl{l} {$src2, $dst|$dst, $src2}",
1389 [(set R32:$dst, (shl R32:$src1, (i8 imm:$src2)))]>;
1392 let isTwoAddress = 0 in {
1393 def SHL8mCL : I<0xD2, MRM4m, (ops i8mem :$dst),
1394 "shl{b} {%cl, $dst|$dst, %CL}",
1395 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>,
1397 def SHL16mCL : I<0xD3, MRM4m, (ops i16mem:$dst),
1398 "shl{w} {%cl, $dst|$dst, %CL}",
1399 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>,
1400 Imp<[CL],[]>, OpSize;
1401 def SHL32mCL : I<0xD3, MRM4m, (ops i32mem:$dst),
1402 "shl{l} {%cl, $dst|$dst, %CL}",
1403 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>,
1405 def SHL8mi : Ii8<0xC0, MRM4m, (ops i8mem :$dst, i8imm:$src),
1406 "shl{b} {$src, $dst|$dst, $src}",
1407 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1408 def SHL16mi : Ii8<0xC1, MRM4m, (ops i16mem:$dst, i8imm:$src),
1409 "shl{w} {$src, $dst|$dst, $src}",
1410 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1412 def SHL32mi : Ii8<0xC1, MRM4m, (ops i32mem:$dst, i8imm:$src),
1413 "shl{l} {$src, $dst|$dst, $src}",
1414 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1417 def SHR8rCL : I<0xD2, MRM5r, (ops R8 :$dst, R8 :$src),
1418 "shr{b} {%cl, $dst|$dst, %CL}",
1419 [(set R8:$dst, (srl R8:$src, CL))]>, Imp<[CL],[]>;
1420 def SHR16rCL : I<0xD3, MRM5r, (ops R16:$dst, R16:$src),
1421 "shr{w} {%cl, $dst|$dst, %CL}",
1422 [(set R16:$dst, (srl R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1423 def SHR32rCL : I<0xD3, MRM5r, (ops R32:$dst, R32:$src),
1424 "shr{l} {%cl, $dst|$dst, %CL}",
1425 [(set R32:$dst, (srl R32:$src, CL))]>, Imp<[CL],[]>;
1427 def SHR8ri : Ii8<0xC0, MRM5r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1428 "shr{b} {$src2, $dst|$dst, $src2}",
1429 [(set R8:$dst, (srl R8:$src1, (i8 imm:$src2)))]>;
1430 def SHR16ri : Ii8<0xC1, MRM5r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1431 "shr{w} {$src2, $dst|$dst, $src2}",
1432 [(set R16:$dst, (srl R16:$src1, (i8 imm:$src2)))]>, OpSize;
1433 def SHR32ri : Ii8<0xC1, MRM5r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1434 "shr{l} {$src2, $dst|$dst, $src2}",
1435 [(set R32:$dst, (srl R32:$src1, (i8 imm:$src2)))]>;
1437 let isTwoAddress = 0 in {
1438 def SHR8mCL : I<0xD2, MRM5m, (ops i8mem :$dst),
1439 "shr{b} {%cl, $dst|$dst, %CL}",
1440 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>,
1442 def SHR16mCL : I<0xD3, MRM5m, (ops i16mem:$dst),
1443 "shr{w} {%cl, $dst|$dst, %CL}",
1444 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
1445 Imp<[CL],[]>, OpSize;
1446 def SHR32mCL : I<0xD3, MRM5m, (ops i32mem:$dst),
1447 "shr{l} {%cl, $dst|$dst, %CL}",
1448 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>,
1450 def SHR8mi : Ii8<0xC0, MRM5m, (ops i8mem :$dst, i8imm:$src),
1451 "shr{b} {$src, $dst|$dst, $src}",
1452 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1453 def SHR16mi : Ii8<0xC1, MRM5m, (ops i16mem:$dst, i8imm:$src),
1454 "shr{w} {$src, $dst|$dst, $src}",
1455 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1457 def SHR32mi : Ii8<0xC1, MRM5m, (ops i32mem:$dst, i8imm:$src),
1458 "shr{l} {$src, $dst|$dst, $src}",
1459 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1462 def SAR8rCL : I<0xD2, MRM7r, (ops R8 :$dst, R8 :$src),
1463 "sar{b} {%cl, $dst|$dst, %CL}",
1464 [(set R8:$dst, (sra R8:$src, CL))]>, Imp<[CL],[]>;
1465 def SAR16rCL : I<0xD3, MRM7r, (ops R16:$dst, R16:$src),
1466 "sar{w} {%cl, $dst|$dst, %CL}",
1467 [(set R16:$dst, (sra R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1468 def SAR32rCL : I<0xD3, MRM7r, (ops R32:$dst, R32:$src),
1469 "sar{l} {%cl, $dst|$dst, %CL}",
1470 [(set R32:$dst, (sra R32:$src, CL))]>, Imp<[CL],[]>;
1472 def SAR8ri : Ii8<0xC0, MRM7r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1473 "sar{b} {$src2, $dst|$dst, $src2}",
1474 [(set R8:$dst, (sra R8:$src1, (i8 imm:$src2)))]>;
1475 def SAR16ri : Ii8<0xC1, MRM7r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1476 "sar{w} {$src2, $dst|$dst, $src2}",
1477 [(set R16:$dst, (sra R16:$src1, (i8 imm:$src2)))]>,
1479 def SAR32ri : Ii8<0xC1, MRM7r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1480 "sar{l} {$src2, $dst|$dst, $src2}",
1481 [(set R32:$dst, (sra R32:$src1, (i8 imm:$src2)))]>;
1482 let isTwoAddress = 0 in {
1483 def SAR8mCL : I<0xD2, MRM7m, (ops i8mem :$dst),
1484 "sar{b} {%cl, $dst|$dst, %CL}",
1485 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>,
1487 def SAR16mCL : I<0xD3, MRM7m, (ops i16mem:$dst),
1488 "sar{w} {%cl, $dst|$dst, %CL}",
1489 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>,
1490 Imp<[CL],[]>, OpSize;
1491 def SAR32mCL : I<0xD3, MRM7m, (ops i32mem:$dst),
1492 "sar{l} {%cl, $dst|$dst, %CL}",
1493 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>,
1495 def SAR8mi : Ii8<0xC0, MRM7m, (ops i8mem :$dst, i8imm:$src),
1496 "sar{b} {$src, $dst|$dst, $src}",
1497 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1498 def SAR16mi : Ii8<0xC1, MRM7m, (ops i16mem:$dst, i8imm:$src),
1499 "sar{w} {$src, $dst|$dst, $src}",
1500 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1502 def SAR32mi : Ii8<0xC1, MRM7m, (ops i32mem:$dst, i8imm:$src),
1503 "sar{l} {$src, $dst|$dst, $src}",
1504 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1507 // Rotate instructions
1508 // FIXME: provide shorter instructions when imm8 == 1
1509 def ROL8rCL : I<0xD2, MRM0r, (ops R8 :$dst, R8 :$src),
1510 "rol{b} {%cl, $dst|$dst, %CL}",
1511 [(set R8:$dst, (rotl R8:$src, CL))]>, Imp<[CL],[]>;
1512 def ROL16rCL : I<0xD3, MRM0r, (ops R16:$dst, R16:$src),
1513 "rol{w} {%cl, $dst|$dst, %CL}",
1514 [(set R16:$dst, (rotl R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1515 def ROL32rCL : I<0xD3, MRM0r, (ops R32:$dst, R32:$src),
1516 "rol{l} {%cl, $dst|$dst, %CL}",
1517 [(set R32:$dst, (rotl R32:$src, CL))]>, Imp<[CL],[]>;
1519 def ROL8ri : Ii8<0xC0, MRM0r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1520 "rol{b} {$src2, $dst|$dst, $src2}",
1521 [(set R8:$dst, (rotl R8:$src1, (i8 imm:$src2)))]>;
1522 def ROL16ri : Ii8<0xC1, MRM0r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1523 "rol{w} {$src2, $dst|$dst, $src2}",
1524 [(set R16:$dst, (rotl R16:$src1, (i8 imm:$src2)))]>, OpSize;
1525 def ROL32ri : Ii8<0xC1, MRM0r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1526 "rol{l} {$src2, $dst|$dst, $src2}",
1527 [(set R32:$dst, (rotl R32:$src1, (i8 imm:$src2)))]>;
1529 let isTwoAddress = 0 in {
1530 def ROL8mCL : I<0xD2, MRM0m, (ops i8mem :$dst),
1531 "rol{b} {%cl, $dst|$dst, %CL}",
1532 [(store (rotl (loadi8 addr:$dst), CL), addr:$dst)]>,
1534 def ROL16mCL : I<0xD3, MRM0m, (ops i16mem:$dst),
1535 "rol{w} {%cl, $dst|$dst, %CL}",
1536 [(store (rotl (loadi16 addr:$dst), CL), addr:$dst)]>,
1537 Imp<[CL],[]>, OpSize;
1538 def ROL32mCL : I<0xD3, MRM0m, (ops i32mem:$dst),
1539 "rol{l} {%cl, $dst|$dst, %CL}",
1540 [(store (rotl (loadi32 addr:$dst), CL), addr:$dst)]>,
1542 def ROL8mi : Ii8<0xC0, MRM0m, (ops i8mem :$dst, i8imm:$src),
1543 "rol{b} {$src, $dst|$dst, $src}",
1544 [(store (rotl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1545 def ROL16mi : Ii8<0xC1, MRM0m, (ops i16mem:$dst, i8imm:$src),
1546 "rol{w} {$src, $dst|$dst, $src}",
1547 [(store (rotl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1549 def ROL32mi : Ii8<0xC1, MRM0m, (ops i32mem:$dst, i8imm:$src),
1550 "rol{l} {$src, $dst|$dst, $src}",
1551 [(store (rotl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1554 def ROR8rCL : I<0xD2, MRM1r, (ops R8 :$dst, R8 :$src),
1555 "ror{b} {%cl, $dst|$dst, %CL}",
1556 [(set R8:$dst, (rotr R8:$src, CL))]>, Imp<[CL],[]>;
1557 def ROR16rCL : I<0xD3, MRM1r, (ops R16:$dst, R16:$src),
1558 "ror{w} {%cl, $dst|$dst, %CL}",
1559 [(set R16:$dst, (rotr R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1560 def ROR32rCL : I<0xD3, MRM1r, (ops R32:$dst, R32:$src),
1561 "ror{l} {%cl, $dst|$dst, %CL}",
1562 [(set R32:$dst, (rotr R32:$src, CL))]>, Imp<[CL],[]>;
1564 def ROR8ri : Ii8<0xC0, MRM1r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1565 "ror{b} {$src2, $dst|$dst, $src2}",
1566 [(set R8:$dst, (rotr R8:$src1, (i8 imm:$src2)))]>;
1567 def ROR16ri : Ii8<0xC1, MRM1r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1568 "ror{w} {$src2, $dst|$dst, $src2}",
1569 [(set R16:$dst, (rotr R16:$src1, (i8 imm:$src2)))]>, OpSize;
1570 def ROR32ri : Ii8<0xC1, MRM1r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1571 "ror{l} {$src2, $dst|$dst, $src2}",
1572 [(set R32:$dst, (rotr R32:$src1, (i8 imm:$src2)))]>;
1573 let isTwoAddress = 0 in {
1574 def ROR8mCL : I<0xD2, MRM1m, (ops i8mem :$dst),
1575 "ror{b} {%cl, $dst|$dst, %CL}",
1576 [(store (rotr (loadi8 addr:$dst), CL), addr:$dst)]>,
1578 def ROR16mCL : I<0xD3, MRM1m, (ops i16mem:$dst),
1579 "ror{w} {%cl, $dst|$dst, %CL}",
1580 [(store (rotr (loadi16 addr:$dst), CL), addr:$dst)]>,
1581 Imp<[CL],[]>, OpSize;
1582 def ROR32mCL : I<0xD3, MRM1m, (ops i32mem:$dst),
1583 "ror{l} {%cl, $dst|$dst, %CL}",
1584 [(store (rotr (loadi32 addr:$dst), CL), addr:$dst)]>,
1586 def ROR8mi : Ii8<0xC0, MRM1m, (ops i8mem :$dst, i8imm:$src),
1587 "ror{b} {$src, $dst|$dst, $src}",
1588 [(store (rotr (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1589 def ROR16mi : Ii8<0xC1, MRM1m, (ops i16mem:$dst, i8imm:$src),
1590 "ror{w} {$src, $dst|$dst, $src}",
1591 [(store (rotr (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1593 def ROR32mi : Ii8<0xC1, MRM1m, (ops i32mem:$dst, i8imm:$src),
1594 "ror{l} {$src, $dst|$dst, $src}",
1595 [(store (rotr (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1600 // Double shift instructions (generalizations of rotate)
1601 def SHLD32rrCL : I<0xA5, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1602 "shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1603 [(set R32:$dst, (X86shld R32:$src1, R32:$src2, CL))]>,
1605 def SHRD32rrCL : I<0xAD, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1606 "shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1607 [(set R32:$dst, (X86shrd R32:$src1, R32:$src2, CL))]>,
1609 def SHLD16rrCL : I<0xA5, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1610 "shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1611 [(set R16:$dst, (X86shld R16:$src1, R16:$src2, CL))]>,
1612 Imp<[CL],[]>, TB, OpSize;
1613 def SHRD16rrCL : I<0xAD, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1614 "shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1615 [(set R16:$dst, (X86shrd R16:$src1, R16:$src2, CL))]>,
1616 Imp<[CL],[]>, TB, OpSize;
1618 let isCommutable = 1 in { // These instructions commute to each other.
1619 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
1620 (ops R32:$dst, R32:$src1, R32:$src2, i8imm:$src3),
1621 "shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1622 [(set R32:$dst, (X86shld R32:$src1, R32:$src2,
1625 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
1626 (ops R32:$dst, R32:$src1, R32:$src2, i8imm:$src3),
1627 "shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1628 [(set R32:$dst, (X86shrd R32:$src1, R32:$src2,
1631 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
1632 (ops R16:$dst, R16:$src1, R16:$src2, i8imm:$src3),
1633 "shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1634 [(set R16:$dst, (X86shld R16:$src1, R16:$src2,
1637 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
1638 (ops R16:$dst, R16:$src1, R16:$src2, i8imm:$src3),
1639 "shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1640 [(set R16:$dst, (X86shrd R16:$src1, R16:$src2,
1645 let isTwoAddress = 0 in {
1646 def SHLD32mrCL : I<0xA5, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1647 "shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1648 [(store (X86shld (loadi32 addr:$dst), R32:$src2, CL),
1651 def SHRD32mrCL : I<0xAD, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1652 "shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1653 [(store (X86shrd (loadi32 addr:$dst), R32:$src2, CL),
1656 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
1657 (ops i32mem:$dst, R32:$src2, i8imm:$src3),
1658 "shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1659 [(store (X86shld (loadi32 addr:$dst), R32:$src2,
1660 (i8 imm:$src3)), addr:$dst)]>,
1662 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
1663 (ops i32mem:$dst, R32:$src2, i8imm:$src3),
1664 "shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1665 [(store (X86shrd (loadi32 addr:$dst), R32:$src2,
1666 (i8 imm:$src3)), addr:$dst)]>,
1669 def SHLD16mrCL : I<0xA5, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1670 "shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1671 [(store (X86shld (loadi16 addr:$dst), R16:$src2, CL),
1673 Imp<[CL],[]>, TB, OpSize;
1674 def SHRD16mrCL : I<0xAD, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1675 "shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1676 [(store (X86shrd (loadi16 addr:$dst), R16:$src2, CL),
1678 Imp<[CL],[]>, TB, OpSize;
1679 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
1680 (ops i16mem:$dst, R16:$src2, i8imm:$src3),
1681 "shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1682 [(store (X86shld (loadi16 addr:$dst), R16:$src2,
1683 (i8 imm:$src3)), addr:$dst)]>,
1685 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
1686 (ops i16mem:$dst, R16:$src2, i8imm:$src3),
1687 "shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1688 [(store (X86shrd (loadi16 addr:$dst), R16:$src2,
1689 (i8 imm:$src3)), addr:$dst)]>,
1695 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
1696 def ADD8rr : I<0x00, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
1697 "add{b} {$src2, $dst|$dst, $src2}",
1698 [(set R8:$dst, (add R8:$src1, R8:$src2))]>;
1699 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1700 def ADD16rr : I<0x01, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1701 "add{w} {$src2, $dst|$dst, $src2}",
1702 [(set R16:$dst, (add R16:$src1, R16:$src2))]>, OpSize;
1703 def ADD32rr : I<0x01, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1704 "add{l} {$src2, $dst|$dst, $src2}",
1705 [(set R32:$dst, (add R32:$src1, R32:$src2))]>;
1706 } // end isConvertibleToThreeAddress
1707 } // end isCommutable
1708 def ADD8rm : I<0x02, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1709 "add{b} {$src2, $dst|$dst, $src2}",
1710 [(set R8:$dst, (add R8:$src1, (load addr:$src2)))]>;
1711 def ADD16rm : I<0x03, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
1712 "add{w} {$src2, $dst|$dst, $src2}",
1713 [(set R16:$dst, (add R16:$src1, (load addr:$src2)))]>, OpSize;
1714 def ADD32rm : I<0x03, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1715 "add{l} {$src2, $dst|$dst, $src2}",
1716 [(set R32:$dst, (add R32:$src1, (load addr:$src2)))]>;
1718 def ADD8ri : Ii8<0x80, MRM0r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1719 "add{b} {$src2, $dst|$dst, $src2}",
1720 [(set R8:$dst, (add R8:$src1, imm:$src2))]>;
1722 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1723 def ADD16ri : Ii16<0x81, MRM0r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1724 "add{w} {$src2, $dst|$dst, $src2}",
1725 [(set R16:$dst, (add R16:$src1, imm:$src2))]>, OpSize;
1726 def ADD32ri : Ii32<0x81, MRM0r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1727 "add{l} {$src2, $dst|$dst, $src2}",
1728 [(set R32:$dst, (add R32:$src1, imm:$src2))]>;
1731 def ADD16ri8 : Ii8<0x83, MRM0r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1732 "add{w} {$src2, $dst|$dst, $src2}",
1733 [(set R16:$dst, (add R16:$src1, i16immSExt8:$src2))]>,
1735 def ADD32ri8 : Ii8<0x83, MRM0r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1736 "add{l} {$src2, $dst|$dst, $src2}",
1737 [(set R32:$dst, (add R32:$src1, i32immSExt8:$src2))]>;
1739 let isTwoAddress = 0 in {
1740 def ADD8mr : I<0x00, MRMDestMem, (ops i8mem :$dst, R8 :$src2),
1741 "add{b} {$src2, $dst|$dst, $src2}",
1742 [(store (add (load addr:$dst), R8:$src2), addr:$dst)]>;
1743 def ADD16mr : I<0x01, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1744 "add{w} {$src2, $dst|$dst, $src2}",
1745 [(store (add (load addr:$dst), R16:$src2), addr:$dst)]>,
1747 def ADD32mr : I<0x01, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1748 "add{l} {$src2, $dst|$dst, $src2}",
1749 [(store (add (load addr:$dst), R32:$src2), addr:$dst)]>;
1750 def ADD8mi : Ii8<0x80, MRM0m, (ops i8mem :$dst, i8imm :$src2),
1751 "add{b} {$src2, $dst|$dst, $src2}",
1752 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1753 def ADD16mi : Ii16<0x81, MRM0m, (ops i16mem:$dst, i16imm:$src2),
1754 "add{w} {$src2, $dst|$dst, $src2}",
1755 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
1757 def ADD32mi : Ii32<0x81, MRM0m, (ops i32mem:$dst, i32imm:$src2),
1758 "add{l} {$src2, $dst|$dst, $src2}",
1759 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1760 def ADD16mi8 : Ii8<0x83, MRM0m, (ops i16mem:$dst, i16i8imm :$src2),
1761 "add{w} {$src2, $dst|$dst, $src2}",
1762 [(store (add (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1764 def ADD32mi8 : Ii8<0x83, MRM0m, (ops i32mem:$dst, i32i8imm :$src2),
1765 "add{l} {$src2, $dst|$dst, $src2}",
1766 [(store (add (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1769 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
1770 def ADC32rr : I<0x11, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1771 "adc{l} {$src2, $dst|$dst, $src2}",
1772 [(set R32:$dst, (adde R32:$src1, R32:$src2))]>;
1774 def ADC32rm : I<0x13, MRMSrcMem , (ops R32:$dst, R32:$src1, i32mem:$src2),
1775 "adc{l} {$src2, $dst|$dst, $src2}",
1776 [(set R32:$dst, (adde R32:$src1, (load addr:$src2)))]>;
1777 def ADC32ri : Ii32<0x81, MRM2r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1778 "adc{l} {$src2, $dst|$dst, $src2}",
1779 [(set R32:$dst, (adde R32:$src1, imm:$src2))]>;
1780 def ADC32ri8 : Ii8<0x83, MRM2r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1781 "adc{l} {$src2, $dst|$dst, $src2}",
1782 [(set R32:$dst, (adde R32:$src1, i32immSExt8:$src2))]>;
1784 let isTwoAddress = 0 in {
1785 def ADC32mr : I<0x11, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1786 "adc{l} {$src2, $dst|$dst, $src2}",
1787 [(store (adde (load addr:$dst), R32:$src2), addr:$dst)]>;
1788 def ADC32mi : Ii32<0x81, MRM2m, (ops i32mem:$dst, i32imm:$src2),
1789 "adc{l} {$src2, $dst|$dst, $src2}",
1790 [(store (adde (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1791 def ADC32mi8 : Ii8<0x83, MRM2m, (ops i32mem:$dst, i32i8imm :$src2),
1792 "adc{l} {$src2, $dst|$dst, $src2}",
1793 [(store (adde (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1796 def SUB8rr : I<0x28, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
1797 "sub{b} {$src2, $dst|$dst, $src2}",
1798 [(set R8:$dst, (sub R8:$src1, R8:$src2))]>;
1799 def SUB16rr : I<0x29, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1800 "sub{w} {$src2, $dst|$dst, $src2}",
1801 [(set R16:$dst, (sub R16:$src1, R16:$src2))]>, OpSize;
1802 def SUB32rr : I<0x29, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1803 "sub{l} {$src2, $dst|$dst, $src2}",
1804 [(set R32:$dst, (sub R32:$src1, R32:$src2))]>;
1805 def SUB8rm : I<0x2A, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1806 "sub{b} {$src2, $dst|$dst, $src2}",
1807 [(set R8:$dst, (sub R8:$src1, (load addr:$src2)))]>;
1808 def SUB16rm : I<0x2B, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
1809 "sub{w} {$src2, $dst|$dst, $src2}",
1810 [(set R16:$dst, (sub R16:$src1, (load addr:$src2)))]>, OpSize;
1811 def SUB32rm : I<0x2B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1812 "sub{l} {$src2, $dst|$dst, $src2}",
1813 [(set R32:$dst, (sub R32:$src1, (load addr:$src2)))]>;
1815 def SUB8ri : Ii8 <0x80, MRM5r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1816 "sub{b} {$src2, $dst|$dst, $src2}",
1817 [(set R8:$dst, (sub R8:$src1, imm:$src2))]>;
1818 def SUB16ri : Ii16<0x81, MRM5r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1819 "sub{w} {$src2, $dst|$dst, $src2}",
1820 [(set R16:$dst, (sub R16:$src1, imm:$src2))]>, OpSize;
1821 def SUB32ri : Ii32<0x81, MRM5r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1822 "sub{l} {$src2, $dst|$dst, $src2}",
1823 [(set R32:$dst, (sub R32:$src1, imm:$src2))]>;
1824 def SUB16ri8 : Ii8<0x83, MRM5r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1825 "sub{w} {$src2, $dst|$dst, $src2}",
1826 [(set R16:$dst, (sub R16:$src1, i16immSExt8:$src2))]>,
1828 def SUB32ri8 : Ii8<0x83, MRM5r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1829 "sub{l} {$src2, $dst|$dst, $src2}",
1830 [(set R32:$dst, (sub R32:$src1, i32immSExt8:$src2))]>;
1831 let isTwoAddress = 0 in {
1832 def SUB8mr : I<0x28, MRMDestMem, (ops i8mem :$dst, R8 :$src2),
1833 "sub{b} {$src2, $dst|$dst, $src2}",
1834 [(store (sub (load addr:$dst), R8:$src2), addr:$dst)]>;
1835 def SUB16mr : I<0x29, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1836 "sub{w} {$src2, $dst|$dst, $src2}",
1837 [(store (sub (load addr:$dst), R16:$src2), addr:$dst)]>,
1839 def SUB32mr : I<0x29, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1840 "sub{l} {$src2, $dst|$dst, $src2}",
1841 [(store (sub (load addr:$dst), R32:$src2), addr:$dst)]>;
1842 def SUB8mi : Ii8<0x80, MRM5m, (ops i8mem :$dst, i8imm:$src2),
1843 "sub{b} {$src2, $dst|$dst, $src2}",
1844 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1845 def SUB16mi : Ii16<0x81, MRM5m, (ops i16mem:$dst, i16imm:$src2),
1846 "sub{w} {$src2, $dst|$dst, $src2}",
1847 [(store (sub (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
1849 def SUB32mi : Ii32<0x81, MRM5m, (ops i32mem:$dst, i32imm:$src2),
1850 "sub{l} {$src2, $dst|$dst, $src2}",
1851 [(store (sub (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1852 def SUB16mi8 : Ii8<0x83, MRM5m, (ops i16mem:$dst, i16i8imm :$src2),
1853 "sub{w} {$src2, $dst|$dst, $src2}",
1854 [(store (sub (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1856 def SUB32mi8 : Ii8<0x83, MRM5m, (ops i32mem:$dst, i32i8imm :$src2),
1857 "sub{l} {$src2, $dst|$dst, $src2}",
1858 [(store (sub (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1861 def SBB32rr : I<0x19, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1862 "sbb{l} {$src2, $dst|$dst, $src2}",
1863 [(set R32:$dst, (sube R32:$src1, R32:$src2))]>;
1865 let isTwoAddress = 0 in {
1866 def SBB32mr : I<0x19, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1867 "sbb{l} {$src2, $dst|$dst, $src2}",
1868 [(store (sube (load addr:$dst), R32:$src2), addr:$dst)]>;
1869 def SBB8mi : Ii32<0x80, MRM3m, (ops i8mem:$dst, i8imm:$src2),
1870 "sbb{b} {$src2, $dst|$dst, $src2}",
1871 [(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1872 def SBB32mi : Ii32<0x81, MRM3m, (ops i32mem:$dst, i32imm:$src2),
1873 "sbb{l} {$src2, $dst|$dst, $src2}",
1874 [(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1875 def SBB32mi8 : Ii8<0x83, MRM3m, (ops i32mem:$dst, i32i8imm :$src2),
1876 "sbb{l} {$src2, $dst|$dst, $src2}",
1877 [(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1879 def SBB32rm : I<0x1B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1880 "sbb{l} {$src2, $dst|$dst, $src2}",
1881 [(set R32:$dst, (sube R32:$src1, (load addr:$src2)))]>;
1882 def SBB32ri : Ii32<0x81, MRM3r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1883 "sbb{l} {$src2, $dst|$dst, $src2}",
1884 [(set R32:$dst, (sube R32:$src1, imm:$src2))]>;
1885 def SBB32ri8 : Ii8<0x83, MRM3r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1886 "sbb{l} {$src2, $dst|$dst, $src2}",
1887 [(set R32:$dst, (sube R32:$src1, i32immSExt8:$src2))]>;
1889 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
1890 def IMUL16rr : I<0xAF, MRMSrcReg, (ops R16:$dst, R16:$src1, R16:$src2),
1891 "imul{w} {$src2, $dst|$dst, $src2}",
1892 [(set R16:$dst, (mul R16:$src1, R16:$src2))]>, TB, OpSize;
1893 def IMUL32rr : I<0xAF, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2),
1894 "imul{l} {$src2, $dst|$dst, $src2}",
1895 [(set R32:$dst, (mul R32:$src1, R32:$src2))]>, TB;
1897 def IMUL16rm : I<0xAF, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
1898 "imul{w} {$src2, $dst|$dst, $src2}",
1899 [(set R16:$dst, (mul R16:$src1, (load addr:$src2)))]>,
1901 def IMUL32rm : I<0xAF, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1902 "imul{l} {$src2, $dst|$dst, $src2}",
1903 [(set R32:$dst, (mul R32:$src1, (load addr:$src2)))]>, TB;
1905 } // end Two Address instructions
1907 // Suprisingly enough, these are not two address instructions!
1908 def IMUL16rri : Ii16<0x69, MRMSrcReg, // R16 = R16*I16
1909 (ops R16:$dst, R16:$src1, i16imm:$src2),
1910 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1911 [(set R16:$dst, (mul R16:$src1, imm:$src2))]>, OpSize;
1912 def IMUL32rri : Ii32<0x69, MRMSrcReg, // R32 = R32*I32
1913 (ops R32:$dst, R32:$src1, i32imm:$src2),
1914 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1915 [(set R32:$dst, (mul R32:$src1, imm:$src2))]>;
1916 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // R16 = R16*I8
1917 (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1918 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1919 [(set R16:$dst, (mul R16:$src1, i16immSExt8:$src2))]>,
1921 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // R32 = R32*I8
1922 (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1923 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1924 [(set R32:$dst, (mul R32:$src1, i32immSExt8:$src2))]>;
1926 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // R16 = [mem16]*I16
1927 (ops R16:$dst, i16mem:$src1, i16imm:$src2),
1928 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1929 [(set R16:$dst, (mul (load addr:$src1), imm:$src2))]>,
1931 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // R32 = [mem32]*I32
1932 (ops R32:$dst, i32mem:$src1, i32imm:$src2),
1933 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1934 [(set R32:$dst, (mul (load addr:$src1), imm:$src2))]>;
1935 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // R16 = [mem16]*I8
1936 (ops R16:$dst, i16mem:$src1, i16i8imm :$src2),
1937 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1938 [(set R16:$dst, (mul (load addr:$src1), i16immSExt8:$src2))]>,
1940 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // R32 = [mem32]*I8
1941 (ops R32:$dst, i32mem:$src1, i32i8imm: $src2),
1942 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1943 [(set R32:$dst, (mul (load addr:$src1), i32immSExt8:$src2))]>;
1945 //===----------------------------------------------------------------------===//
1946 // Test instructions are just like AND, except they don't generate a result.
1948 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
1949 def TEST8rr : I<0x84, MRMDestReg, (ops R8:$src1, R8:$src2),
1950 "test{b} {$src2, $src1|$src1, $src2}",
1951 [(X86test R8:$src1, R8:$src2)]>;
1952 def TEST16rr : I<0x85, MRMDestReg, (ops R16:$src1, R16:$src2),
1953 "test{w} {$src2, $src1|$src1, $src2}",
1954 [(X86test R16:$src1, R16:$src2)]>, OpSize;
1955 def TEST32rr : I<0x85, MRMDestReg, (ops R32:$src1, R32:$src2),
1956 "test{l} {$src2, $src1|$src1, $src2}",
1957 [(X86test R32:$src1, R32:$src2)]>;
1959 def TEST8mr : I<0x84, MRMDestMem, (ops i8mem :$src1, R8 :$src2),
1960 "test{b} {$src2, $src1|$src1, $src2}",
1961 [(X86test (loadi8 addr:$src1), R8:$src2)]>;
1962 def TEST16mr : I<0x85, MRMDestMem, (ops i16mem:$src1, R16:$src2),
1963 "test{w} {$src2, $src1|$src1, $src2}",
1964 [(X86test (loadi16 addr:$src1), R16:$src2)]>,
1966 def TEST32mr : I<0x85, MRMDestMem, (ops i32mem:$src1, R32:$src2),
1967 "test{l} {$src2, $src1|$src1, $src2}",
1968 [(X86test (loadi32 addr:$src1), R32:$src2)]>;
1969 def TEST8rm : I<0x84, MRMSrcMem, (ops R8 :$src1, i8mem :$src2),
1970 "test{b} {$src2, $src1|$src1, $src2}",
1971 [(X86test R8:$src1, (loadi8 addr:$src2))]>;
1972 def TEST16rm : I<0x85, MRMSrcMem, (ops R16:$src1, i16mem:$src2),
1973 "test{w} {$src2, $src1|$src1, $src2}",
1974 [(X86test R16:$src1, (loadi16 addr:$src2))]>,
1976 def TEST32rm : I<0x85, MRMSrcMem, (ops R32:$src1, i32mem:$src2),
1977 "test{l} {$src2, $src1|$src1, $src2}",
1978 [(X86test R32:$src1, (loadi32 addr:$src2))]>;
1980 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = R8 & imm8
1981 (ops R8:$src1, i8imm:$src2),
1982 "test{b} {$src2, $src1|$src1, $src2}",
1983 [(X86test R8:$src1, imm:$src2)]>;
1984 def TEST16ri : Ii16<0xF7, MRM0r, // flags = R16 & imm16
1985 (ops R16:$src1, i16imm:$src2),
1986 "test{w} {$src2, $src1|$src1, $src2}",
1987 [(X86test R16:$src1, imm:$src2)]>, OpSize;
1988 def TEST32ri : Ii32<0xF7, MRM0r, // flags = R32 & imm32
1989 (ops R32:$src1, i32imm:$src2),
1990 "test{l} {$src2, $src1|$src1, $src2}",
1991 [(X86test R32:$src1, imm:$src2)]>;
1992 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
1993 (ops i8mem:$src1, i8imm:$src2),
1994 "test{b} {$src2, $src1|$src1, $src2}",
1995 [(X86test (loadi8 addr:$src1), imm:$src2)]>;
1996 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
1997 (ops i16mem:$src1, i16imm:$src2),
1998 "test{w} {$src2, $src1|$src1, $src2}",
1999 [(X86test (loadi16 addr:$src1), imm:$src2)]>,
2001 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2002 (ops i32mem:$src1, i32imm:$src2),
2003 "test{l} {$src2, $src1|$src1, $src2}",
2004 [(X86test (loadi32 addr:$src1), imm:$src2)]>;
2007 // Condition code ops, incl. set if equal/not equal/...
2008 def SAHF : I<0x9E, RawFrm, (ops), "sahf", []>, Imp<[AH],[]>; // flags = AH
2009 def LAHF : I<0x9F, RawFrm, (ops), "lahf", []>, Imp<[],[AH]>; // AH = flags
2011 def SETEr : I<0x94, MRM0r,
2014 [(set R8:$dst, (X86setcc X86_COND_E))]>,
2016 def SETEm : I<0x94, MRM0m,
2019 [(store (X86setcc X86_COND_E), addr:$dst)]>,
2021 def SETNEr : I<0x95, MRM0r,
2024 [(set R8:$dst, (X86setcc X86_COND_NE))]>,
2026 def SETNEm : I<0x95, MRM0m,
2029 [(store (X86setcc X86_COND_NE), addr:$dst)]>,
2031 def SETLr : I<0x9C, MRM0r,
2034 [(set R8:$dst, (X86setcc X86_COND_L))]>,
2035 TB; // R8 = < signed
2036 def SETLm : I<0x9C, MRM0m,
2039 [(store (X86setcc X86_COND_L), addr:$dst)]>,
2040 TB; // [mem8] = < signed
2041 def SETGEr : I<0x9D, MRM0r,
2044 [(set R8:$dst, (X86setcc X86_COND_GE))]>,
2045 TB; // R8 = >= signed
2046 def SETGEm : I<0x9D, MRM0m,
2049 [(store (X86setcc X86_COND_GE), addr:$dst)]>,
2050 TB; // [mem8] = >= signed
2051 def SETLEr : I<0x9E, MRM0r,
2054 [(set R8:$dst, (X86setcc X86_COND_LE))]>,
2055 TB; // R8 = <= signed
2056 def SETLEm : I<0x9E, MRM0m,
2059 [(store (X86setcc X86_COND_LE), addr:$dst)]>,
2060 TB; // [mem8] = <= signed
2061 def SETGr : I<0x9F, MRM0r,
2064 [(set R8:$dst, (X86setcc X86_COND_G))]>,
2065 TB; // R8 = > signed
2066 def SETGm : I<0x9F, MRM0m,
2069 [(store (X86setcc X86_COND_G), addr:$dst)]>,
2070 TB; // [mem8] = > signed
2072 def SETBr : I<0x92, MRM0r,
2075 [(set R8:$dst, (X86setcc X86_COND_B))]>,
2076 TB; // R8 = < unsign
2077 def SETBm : I<0x92, MRM0m,
2080 [(store (X86setcc X86_COND_B), addr:$dst)]>,
2081 TB; // [mem8] = < unsign
2082 def SETAEr : I<0x93, MRM0r,
2085 [(set R8:$dst, (X86setcc X86_COND_AE))]>,
2086 TB; // R8 = >= unsign
2087 def SETAEm : I<0x93, MRM0m,
2090 [(store (X86setcc X86_COND_AE), addr:$dst)]>,
2091 TB; // [mem8] = >= unsign
2092 def SETBEr : I<0x96, MRM0r,
2095 [(set R8:$dst, (X86setcc X86_COND_BE))]>,
2096 TB; // R8 = <= unsign
2097 def SETBEm : I<0x96, MRM0m,
2100 [(store (X86setcc X86_COND_BE), addr:$dst)]>,
2101 TB; // [mem8] = <= unsign
2102 def SETAr : I<0x97, MRM0r,
2105 [(set R8:$dst, (X86setcc X86_COND_A))]>,
2106 TB; // R8 = > signed
2107 def SETAm : I<0x97, MRM0m,
2110 [(store (X86setcc X86_COND_A), addr:$dst)]>,
2111 TB; // [mem8] = > signed
2113 def SETSr : I<0x98, MRM0r,
2116 [(set R8:$dst, (X86setcc X86_COND_S))]>,
2117 TB; // R8 = <sign bit>
2118 def SETSm : I<0x98, MRM0m,
2121 [(store (X86setcc X86_COND_S), addr:$dst)]>,
2122 TB; // [mem8] = <sign bit>
2123 def SETNSr : I<0x99, MRM0r,
2126 [(set R8:$dst, (X86setcc X86_COND_NS))]>,
2127 TB; // R8 = !<sign bit>
2128 def SETNSm : I<0x99, MRM0m,
2131 [(store (X86setcc X86_COND_NS), addr:$dst)]>,
2132 TB; // [mem8] = !<sign bit>
2133 def SETPr : I<0x9A, MRM0r,
2136 [(set R8:$dst, (X86setcc X86_COND_P))]>,
2138 def SETPm : I<0x9A, MRM0m,
2141 [(store (X86setcc X86_COND_P), addr:$dst)]>,
2142 TB; // [mem8] = parity
2143 def SETNPr : I<0x9B, MRM0r,
2146 [(set R8:$dst, (X86setcc X86_COND_NP))]>,
2147 TB; // R8 = not parity
2148 def SETNPm : I<0x9B, MRM0m,
2151 [(store (X86setcc X86_COND_NP), addr:$dst)]>,
2152 TB; // [mem8] = not parity
2154 // Integer comparisons
2155 def CMP8rr : I<0x38, MRMDestReg,
2156 (ops R8 :$src1, R8 :$src2),
2157 "cmp{b} {$src2, $src1|$src1, $src2}",
2158 [(X86cmp R8:$src1, R8:$src2)]>;
2159 def CMP16rr : I<0x39, MRMDestReg,
2160 (ops R16:$src1, R16:$src2),
2161 "cmp{w} {$src2, $src1|$src1, $src2}",
2162 [(X86cmp R16:$src1, R16:$src2)]>, OpSize;
2163 def CMP32rr : I<0x39, MRMDestReg,
2164 (ops R32:$src1, R32:$src2),
2165 "cmp{l} {$src2, $src1|$src1, $src2}",
2166 [(X86cmp R32:$src1, R32:$src2)]>;
2167 def CMP8mr : I<0x38, MRMDestMem,
2168 (ops i8mem :$src1, R8 :$src2),
2169 "cmp{b} {$src2, $src1|$src1, $src2}",
2170 [(X86cmp (loadi8 addr:$src1), R8:$src2)]>;
2171 def CMP16mr : I<0x39, MRMDestMem,
2172 (ops i16mem:$src1, R16:$src2),
2173 "cmp{w} {$src2, $src1|$src1, $src2}",
2174 [(X86cmp (loadi16 addr:$src1), R16:$src2)]>, OpSize;
2175 def CMP32mr : I<0x39, MRMDestMem,
2176 (ops i32mem:$src1, R32:$src2),
2177 "cmp{l} {$src2, $src1|$src1, $src2}",
2178 [(X86cmp (loadi32 addr:$src1), R32:$src2)]>;
2179 def CMP8rm : I<0x3A, MRMSrcMem,
2180 (ops R8 :$src1, i8mem :$src2),
2181 "cmp{b} {$src2, $src1|$src1, $src2}",
2182 [(X86cmp R8:$src1, (loadi8 addr:$src2))]>;
2183 def CMP16rm : I<0x3B, MRMSrcMem,
2184 (ops R16:$src1, i16mem:$src2),
2185 "cmp{w} {$src2, $src1|$src1, $src2}",
2186 [(X86cmp R16:$src1, (loadi16 addr:$src2))]>, OpSize;
2187 def CMP32rm : I<0x3B, MRMSrcMem,
2188 (ops R32:$src1, i32mem:$src2),
2189 "cmp{l} {$src2, $src1|$src1, $src2}",
2190 [(X86cmp R32:$src1, (loadi32 addr:$src2))]>;
2191 def CMP8ri : Ii8<0x80, MRM7r,
2192 (ops R8:$src1, i8imm:$src2),
2193 "cmp{b} {$src2, $src1|$src1, $src2}",
2194 [(X86cmp R8:$src1, imm:$src2)]>;
2195 def CMP16ri : Ii16<0x81, MRM7r,
2196 (ops R16:$src1, i16imm:$src2),
2197 "cmp{w} {$src2, $src1|$src1, $src2}",
2198 [(X86cmp R16:$src1, imm:$src2)]>, OpSize;
2199 def CMP32ri : Ii32<0x81, MRM7r,
2200 (ops R32:$src1, i32imm:$src2),
2201 "cmp{l} {$src2, $src1|$src1, $src2}",
2202 [(X86cmp R32:$src1, imm:$src2)]>;
2203 def CMP8mi : Ii8 <0x80, MRM7m,
2204 (ops i8mem :$src1, i8imm :$src2),
2205 "cmp{b} {$src2, $src1|$src1, $src2}",
2206 [(X86cmp (loadi8 addr:$src1), imm:$src2)]>;
2207 def CMP16mi : Ii16<0x81, MRM7m,
2208 (ops i16mem:$src1, i16imm:$src2),
2209 "cmp{w} {$src2, $src1|$src1, $src2}",
2210 [(X86cmp (loadi16 addr:$src1), imm:$src2)]>, OpSize;
2211 def CMP32mi : Ii32<0x81, MRM7m,
2212 (ops i32mem:$src1, i32imm:$src2),
2213 "cmp{l} {$src2, $src1|$src1, $src2}",
2214 [(X86cmp (loadi32 addr:$src1), imm:$src2)]>;
2215 def CMP16ri8 : Ii8<0x83, MRM7r,
2216 (ops R16:$src1, i16i8imm:$src2),
2217 "cmp{w} {$src2, $src1|$src1, $src2}",
2218 [(X86cmp R16:$src1, i16immSExt8:$src2)]>, OpSize;
2219 def CMP16mi8 : Ii8<0x83, MRM7m,
2220 (ops i16mem:$src1, i16i8imm:$src2),
2221 "cmp{w} {$src2, $src1|$src1, $src2}",
2222 [(X86cmp (loadi16 addr:$src1), i16immSExt8:$src2)]>, OpSize;
2223 def CMP32mi8 : Ii8<0x83, MRM7m,
2224 (ops i32mem:$src1, i32i8imm:$src2),
2225 "cmp{l} {$src2, $src1|$src1, $src2}",
2226 [(X86cmp (loadi32 addr:$src1), i32immSExt8:$src2)]>;
2227 def CMP32ri8 : Ii8<0x83, MRM7r,
2228 (ops R32:$src1, i32i8imm:$src2),
2229 "cmp{l} {$src2, $src1|$src1, $src2}",
2230 [(X86cmp R32:$src1, i32immSExt8:$src2)]>;
2232 // Sign/Zero extenders
2233 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (ops R16:$dst, R8 :$src),
2234 "movs{bw|x} {$src, $dst|$dst, $src}",
2235 [(set R16:$dst, (sext R8:$src))]>, TB, OpSize;
2236 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (ops R16:$dst, i8mem :$src),
2237 "movs{bw|x} {$src, $dst|$dst, $src}",
2238 [(set R16:$dst, (sextloadi16i8 addr:$src))]>, TB, OpSize;
2239 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (ops R32:$dst, R8 :$src),
2240 "movs{bl|x} {$src, $dst|$dst, $src}",
2241 [(set R32:$dst, (sext R8:$src))]>, TB;
2242 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (ops R32:$dst, i8mem :$src),
2243 "movs{bl|x} {$src, $dst|$dst, $src}",
2244 [(set R32:$dst, (sextloadi32i8 addr:$src))]>, TB;
2245 def MOVSX32rr16: I<0xBF, MRMSrcReg, (ops R32:$dst, R16:$src),
2246 "movs{wl|x} {$src, $dst|$dst, $src}",
2247 [(set R32:$dst, (sext R16:$src))]>, TB;
2248 def MOVSX32rm16: I<0xBF, MRMSrcMem, (ops R32:$dst, i16mem:$src),
2249 "movs{wl|x} {$src, $dst|$dst, $src}",
2250 [(set R32:$dst, (sextloadi32i16 addr:$src))]>, TB;
2252 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (ops R16:$dst, R8 :$src),
2253 "movz{bw|x} {$src, $dst|$dst, $src}",
2254 [(set R16:$dst, (zext R8:$src))]>, TB, OpSize;
2255 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (ops R16:$dst, i8mem :$src),
2256 "movz{bw|x} {$src, $dst|$dst, $src}",
2257 [(set R16:$dst, (zextloadi16i8 addr:$src))]>, TB, OpSize;
2258 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (ops R32:$dst, R8 :$src),
2259 "movz{bl|x} {$src, $dst|$dst, $src}",
2260 [(set R32:$dst, (zext R8:$src))]>, TB;
2261 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (ops R32:$dst, i8mem :$src),
2262 "movz{bl|x} {$src, $dst|$dst, $src}",
2263 [(set R32:$dst, (zextloadi32i8 addr:$src))]>, TB;
2264 def MOVZX32rr16: I<0xB7, MRMSrcReg, (ops R32:$dst, R16:$src),
2265 "movz{wl|x} {$src, $dst|$dst, $src}",
2266 [(set R32:$dst, (zext R16:$src))]>, TB;
2267 def MOVZX32rm16: I<0xB7, MRMSrcMem, (ops R32:$dst, i16mem:$src),
2268 "movz{wl|x} {$src, $dst|$dst, $src}",
2269 [(set R32:$dst, (zextloadi32i16 addr:$src))]>, TB;
2271 //===----------------------------------------------------------------------===//
2272 // Miscellaneous Instructions
2273 //===----------------------------------------------------------------------===//
2275 def RDTSC : I<0x31, RawFrm, (ops), "rdtsc", [(X86rdtsc)]>,
2276 TB, Imp<[],[EAX,EDX]>;
2278 //===----------------------------------------------------------------------===//
2279 // Alias Instructions
2280 //===----------------------------------------------------------------------===//
2282 // Alias instructions that map movr0 to xor.
2283 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
2284 def MOV8r0 : I<0x30, MRMInitReg, (ops R8 :$dst),
2285 "xor{b} $dst, $dst",
2286 [(set R8:$dst, 0)]>;
2287 def MOV16r0 : I<0x31, MRMInitReg, (ops R16:$dst),
2288 "xor{w} $dst, $dst",
2289 [(set R16:$dst, 0)]>, OpSize;
2290 def MOV32r0 : I<0x31, MRMInitReg, (ops R32:$dst),
2291 "xor{l} $dst, $dst",
2292 [(set R32:$dst, 0)]>;
2294 //===----------------------------------------------------------------------===//
2295 // DWARF Pseudo Instructions
2298 def DWARF_LOC : I<0, Pseudo, (ops i32imm:$line, i32imm:$col, i32imm:$file),
2299 "; .loc $file, $line, $col",
2300 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
2303 def DWARF_LABEL : I<0, Pseudo, (ops i32imm:$id),
2304 "\nLdebug_loc${id:debug}:",
2305 [(dwarf_label (i32 imm:$id))]>;
2307 //===----------------------------------------------------------------------===//
2308 // Non-Instruction Patterns
2309 //===----------------------------------------------------------------------===//
2311 // ConstantPool GlobalAddress, ExternalSymbol
2312 def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
2313 def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
2314 def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
2315 def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;
2317 def : Pat<(add R32:$src1, (X86Wrapper tconstpool:$src2)),
2318 (ADD32ri R32:$src1, tconstpool:$src2)>;
2319 def : Pat<(add R32:$src1, (X86Wrapper tjumptable:$src2)),
2320 (ADD32ri R32:$src1, tjumptable:$src2)>;
2321 def : Pat<(add R32:$src1, (X86Wrapper tglobaladdr :$src2)),
2322 (ADD32ri R32:$src1, tglobaladdr:$src2)>;
2323 def : Pat<(add R32:$src1, (X86Wrapper texternalsym:$src2)),
2324 (ADD32ri R32:$src1, texternalsym:$src2)>;
2326 def : Pat<(store (X86Wrapper tglobaladdr:$src), addr:$dst),
2327 (MOV32mi addr:$dst, tglobaladdr:$src)>;
2328 def : Pat<(store (X86Wrapper texternalsym:$src), addr:$dst),
2329 (MOV32mi addr:$dst, texternalsym:$src)>;
2332 def : Pat<(X86call tglobaladdr:$dst),
2333 (CALLpcrel32 tglobaladdr:$dst)>;
2334 def : Pat<(X86call texternalsym:$dst),
2335 (CALLpcrel32 texternalsym:$dst)>;
2337 // X86 specific add which produces a flag.
2338 def : Pat<(addc R32:$src1, R32:$src2),
2339 (ADD32rr R32:$src1, R32:$src2)>;
2340 def : Pat<(addc R32:$src1, (load addr:$src2)),
2341 (ADD32rm R32:$src1, addr:$src2)>;
2342 def : Pat<(addc R32:$src1, imm:$src2),
2343 (ADD32ri R32:$src1, imm:$src2)>;
2344 def : Pat<(addc R32:$src1, i32immSExt8:$src2),
2345 (ADD32ri8 R32:$src1, i32immSExt8:$src2)>;
2347 def : Pat<(subc R32:$src1, R32:$src2),
2348 (SUB32rr R32:$src1, R32:$src2)>;
2349 def : Pat<(subc R32:$src1, (load addr:$src2)),
2350 (SUB32rm R32:$src1, addr:$src2)>;
2351 def : Pat<(subc R32:$src1, imm:$src2),
2352 (SUB32ri R32:$src1, imm:$src2)>;
2353 def : Pat<(subc R32:$src1, i32immSExt8:$src2),
2354 (SUB32ri8 R32:$src1, i32immSExt8:$src2)>;
2356 def : Pat<(truncstore (i8 imm:$src), addr:$dst, i1),
2357 (MOV8mi addr:$dst, imm:$src)>;
2358 def : Pat<(truncstore R8:$src, addr:$dst, i1),
2359 (MOV8mr addr:$dst, R8:$src)>;
2361 // {s|z}extload bool -> {s|z}extload byte
2362 def : Pat<(sextloadi16i1 addr:$src), (MOVSX16rm8 addr:$src)>;
2363 def : Pat<(sextloadi32i1 addr:$src), (MOVSX32rm8 addr:$src)>;
2364 def : Pat<(zextloadi8i1 addr:$src), (MOV8rm addr:$src)>;
2365 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
2366 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
2368 // extload bool -> extload byte
2369 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
2372 def : Pat<(i16 (anyext R8 :$src)), (MOVZX16rr8 R8 :$src)>;
2373 def : Pat<(i32 (anyext R8 :$src)), (MOVZX32rr8 R8 :$src)>;
2374 def : Pat<(i32 (anyext R16:$src)), (MOVZX32rr16 R16:$src)>;
2375 def : Pat<(i16 (anyext (loadi8 addr:$src))), (MOVZX16rm8 addr:$src)>;
2376 def : Pat<(i32 (anyext (loadi8 addr:$src))), (MOVZX32rm8 addr:$src)>;
2377 def : Pat<(i32 (anyext (loadi16 addr:$src))), (MOVZX32rm16 addr:$src)>;
2379 //===----------------------------------------------------------------------===//
2381 //===----------------------------------------------------------------------===//
2383 // (shl x, 1) ==> (add x, x)
2384 def : Pat<(shl R8 :$src1, (i8 1)), (ADD8rr R8 :$src1, R8 :$src1)>;
2385 def : Pat<(shl R16:$src1, (i8 1)), (ADD16rr R16:$src1, R16:$src1)>;
2386 def : Pat<(shl R32:$src1, (i8 1)), (ADD32rr R32:$src1, R32:$src1)>;
2388 // (or (x >> c) | (y << (32 - c))) ==> (shrd32 x, y, c)
2389 def : Pat<(or (srl R32:$src1, CL:$amt),
2390 (shl R32:$src2, (sub 32, CL:$amt))),
2391 (SHRD32rrCL R32:$src1, R32:$src2)>;
2393 def : Pat<(store (or (srl (loadi32 addr:$dst), CL:$amt),
2394 (shl R32:$src2, (sub 32, CL:$amt))), addr:$dst),
2395 (SHRD32mrCL addr:$dst, R32:$src2)>;
2397 // (or (x << c) | (y >> (32 - c))) ==> (shld32 x, y, c)
2398 def : Pat<(or (shl R32:$src1, CL:$amt),
2399 (srl R32:$src2, (sub 32, CL:$amt))),
2400 (SHLD32rrCL R32:$src1, R32:$src2)>;
2402 def : Pat<(store (or (shl (loadi32 addr:$dst), CL:$amt),
2403 (srl R32:$src2, (sub 32, CL:$amt))), addr:$dst),
2404 (SHLD32mrCL addr:$dst, R32:$src2)>;
2406 // (or (x >> c) | (y << (16 - c))) ==> (shrd16 x, y, c)
2407 def : Pat<(or (srl R16:$src1, CL:$amt),
2408 (shl R16:$src2, (sub 16, CL:$amt))),
2409 (SHRD16rrCL R16:$src1, R16:$src2)>;
2411 def : Pat<(store (or (srl (loadi16 addr:$dst), CL:$amt),
2412 (shl R16:$src2, (sub 16, CL:$amt))), addr:$dst),
2413 (SHRD16mrCL addr:$dst, R16:$src2)>;
2415 // (or (x << c) | (y >> (16 - c))) ==> (shld16 x, y, c)
2416 def : Pat<(or (shl R16:$src1, CL:$amt),
2417 (srl R16:$src2, (sub 16, CL:$amt))),
2418 (SHLD16rrCL R16:$src1, R16:$src2)>;
2420 def : Pat<(store (or (shl (loadi16 addr:$dst), CL:$amt),
2421 (srl R16:$src2, (sub 16, CL:$amt))), addr:$dst),
2422 (SHLD16mrCL addr:$dst, R16:$src2)>;
2425 //===----------------------------------------------------------------------===//
2426 // Floating Point Stack Support
2427 //===----------------------------------------------------------------------===//
2429 include "X86InstrFPStack.td"
2431 //===----------------------------------------------------------------------===//
2432 // MMX and XMM Packed Integer support (requires MMX, SSE, and SSE2)
2433 //===----------------------------------------------------------------------===//
2435 include "X86InstrMMX.td"
2437 //===----------------------------------------------------------------------===//
2438 // XMM Floating point support (requires SSE / SSE2)
2439 //===----------------------------------------------------------------------===//
2441 include "X86InstrSSE.td"