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<1, 2, [SDTCisVT<0, FlagVT>, SDTCisSameAs<1, 2>]>;
26 def SDTX86Cmov : SDTypeProfile<1, 4,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>,
28 SDTCisVT<3, i8>, SDTCisVT<4, FlagVT>]>;
30 def SDTX86BrCond : SDTypeProfile<0, 3,
31 [SDTCisVT<0, OtherVT>,
32 SDTCisVT<1, i8>, SDTCisVT<2, FlagVT>]>;
34 def SDTX86SetCC : SDTypeProfile<1, 2,
35 [SDTCisVT<0, i8>, SDTCisVT<1, i8>,
36 SDTCisVT<2, FlagVT>]>;
38 def SDTX86Ret : SDTypeProfile<0, 1, [SDTCisVT<0, i16>]>;
40 def SDT_X86CallSeqStart : SDTypeProfile<0, 1, [ SDTCisVT<0, i32> ]>;
41 def SDT_X86CallSeqEnd : SDTypeProfile<0, 2, [ SDTCisVT<0, i32>,
44 def SDT_X86Call : SDTypeProfile<0, 1, [SDTCisVT<0, i32>]>;
46 def SDTX86FpGet : SDTypeProfile<1, 0, [SDTCisVT<0, f64>]>;
47 def SDTX86FpSet : SDTypeProfile<0, 1, [SDTCisFP<0>]>;
49 def SDTX86Fld : SDTypeProfile<1, 2, [SDTCisVT<0, f64>,
50 SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>]>;
51 def SDTX86Fst : SDTypeProfile<0, 3, [SDTCisFP<0>,
52 SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>]>;
53 def SDTX86Fild64m : SDTypeProfile<1, 1, [SDTCisVT<0, f64>, SDTCisPtrTy<1>]>;
55 def SDTX86RdTsc : SDTypeProfile<0, 0, []>;
57 def X86addflag : SDNode<"X86ISD::ADD_FLAG", SDTIntBinOp ,
58 [SDNPCommutative, SDNPAssociative, SDNPOutFlag]>;
59 def X86subflag : SDNode<"X86ISD::SUB_FLAG", SDTIntBinOp,
61 def X86adc : SDNode<"X86ISD::ADC" , SDTIntBinOp ,
62 [SDNPCommutative, SDNPAssociative]>;
63 def X86sbb : SDNode<"X86ISD::SBB" , SDTIntBinOp>;
65 def X86shld : SDNode<"X86ISD::SHLD", SDTIntShiftDOp>;
66 def X86shrd : SDNode<"X86ISD::SHRD", SDTIntShiftDOp>;
68 def X86cmp : SDNode<"X86ISD::CMP" , SDTX86CmpTest, []>;
69 def X86test : SDNode<"X86ISD::TEST", SDTX86CmpTest, []>;
71 def X86cmov : SDNode<"X86ISD::CMOV", SDTX86Cmov,
73 def X86brcond : SDNode<"X86ISD::BRCOND", SDTX86BrCond,
75 def X86setcc : SDNode<"X86ISD::SETCC", SDTX86SetCC, []>;
77 def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
78 [SDNPHasChain, SDNPOptInFlag]>;
80 def X86callseq_start :
81 SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
84 SDNode<"ISD::CALLSEQ_END", SDT_X86CallSeqEnd,
87 def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
88 [SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
90 def X86fpget : SDNode<"X86ISD::FP_GET_RESULT", SDTX86FpGet,
91 [SDNPHasChain, SDNPInFlag]>;
92 def X86fpset : SDNode<"X86ISD::FP_SET_RESULT", SDTX86FpSet,
93 [SDNPHasChain, SDNPOutFlag]>;
95 def X86fld : SDNode<"X86ISD::FLD", SDTX86Fld,
97 def X86fst : SDNode<"X86ISD::FST", SDTX86Fst,
99 def X86fild64m : SDNode<"X86ISD::FILD64m", SDTX86Fild64m,
102 def X86rdtsc : SDNode<"X86ISD::RDTSC_DAG",SDTX86RdTsc,
103 [SDNPHasChain, SDNPOutFlag]>;
105 //===----------------------------------------------------------------------===//
106 // X86 Operand Definitions.
109 // *mem - Operand definitions for the funky X86 addressing mode operands.
111 class X86MemOperand<string printMethod> : Operand<i32> {
112 let PrintMethod = printMethod;
113 let NumMIOperands = 4;
114 let MIOperandInfo = (ops R32, i8imm, R32, i32imm);
117 def i8mem : X86MemOperand<"printi8mem">;
118 def i16mem : X86MemOperand<"printi16mem">;
119 def i32mem : X86MemOperand<"printi32mem">;
120 def i64mem : X86MemOperand<"printi64mem">;
121 def f32mem : X86MemOperand<"printf32mem">;
122 def f64mem : X86MemOperand<"printf64mem">;
123 def f80mem : X86MemOperand<"printf80mem">;
125 def SSECC : Operand<i8> {
126 let PrintMethod = "printSSECC";
129 // A couple of more descriptive operand definitions.
130 // 16-bits but only 8 bits are significant.
131 def i16i8imm : Operand<i16>;
132 // 32-bits but only 8 bits are significant.
133 def i32i8imm : Operand<i32>;
135 // PCRelative calls need special operand formatting.
136 let PrintMethod = "printCallOperand" in
137 def calltarget : Operand<i32>;
139 // Branch targets have OtherVT type.
140 def brtarget : Operand<OtherVT>;
142 //===----------------------------------------------------------------------===//
143 // X86 Complex Pattern Definitions.
146 // Define X86 specific addressing mode.
147 def addr : ComplexPattern<i32, 4, "SelectAddr", []>;
148 def leaaddr : ComplexPattern<i32, 4, "SelectLEAAddr",
149 [add, frameindex, constpool,
150 globaladdr, tglobaladdr, externalsym]>;
152 //===----------------------------------------------------------------------===//
153 // X86 Instruction Format Definitions.
156 // Format specifies the encoding used by the instruction. This is part of the
157 // ad-hoc solution used to emit machine instruction encodings by our machine
159 class Format<bits<5> val> {
163 def Pseudo : Format<0>; def RawFrm : Format<1>;
164 def AddRegFrm : Format<2>; def MRMDestReg : Format<3>;
165 def MRMDestMem : Format<4>; def MRMSrcReg : Format<5>;
166 def MRMSrcMem : Format<6>;
167 def MRM0r : Format<16>; def MRM1r : Format<17>; def MRM2r : Format<18>;
168 def MRM3r : Format<19>; def MRM4r : Format<20>; def MRM5r : Format<21>;
169 def MRM6r : Format<22>; def MRM7r : Format<23>;
170 def MRM0m : Format<24>; def MRM1m : Format<25>; def MRM2m : Format<26>;
171 def MRM3m : Format<27>; def MRM4m : Format<28>; def MRM5m : Format<29>;
172 def MRM6m : Format<30>; def MRM7m : Format<31>;
174 //===----------------------------------------------------------------------===//
175 // X86 Instruction Predicate Definitions.
176 def HasSSE1 : Predicate<"X86Vector >= SSE">;
177 def HasSSE2 : Predicate<"X86Vector >= SSE2">;
178 def HasSSE3 : Predicate<"X86Vector >= SSE3">;
179 def FPStack : Predicate<"X86Vector < SSE2">;
181 //===----------------------------------------------------------------------===//
182 // X86 specific pattern fragments.
185 // ImmType - This specifies the immediate type used by an instruction. This is
186 // part of the ad-hoc solution used to emit machine instruction encodings by our
187 // machine code emitter.
188 class ImmType<bits<2> val> {
191 def NoImm : ImmType<0>;
192 def Imm8 : ImmType<1>;
193 def Imm16 : ImmType<2>;
194 def Imm32 : ImmType<3>;
196 // FPFormat - This specifies what form this FP instruction has. This is used by
197 // the Floating-Point stackifier pass.
198 class FPFormat<bits<3> val> {
201 def NotFP : FPFormat<0>;
202 def ZeroArgFP : FPFormat<1>;
203 def OneArgFP : FPFormat<2>;
204 def OneArgFPRW : FPFormat<3>;
205 def TwoArgFP : FPFormat<4>;
206 def CompareFP : FPFormat<5>;
207 def CondMovFP : FPFormat<6>;
208 def SpecialFP : FPFormat<7>;
211 class X86Inst<bits<8> opcod, Format f, ImmType i, dag ops, string AsmStr>
213 let Namespace = "X86";
215 bits<8> Opcode = opcod;
217 bits<5> FormBits = Form.Value;
219 bits<2> ImmTypeBits = ImmT.Value;
221 dag OperandList = ops;
222 string AsmString = AsmStr;
225 // Attributes specific to X86 instructions...
227 bit hasOpSizePrefix = 0; // Does this inst have a 0x66 prefix?
229 bits<4> Prefix = 0; // Which prefix byte does this inst have?
230 FPFormat FPForm; // What flavor of FP instruction is this?
231 bits<3> FPFormBits = 0;
234 class Imp<list<Register> uses, list<Register> defs> {
235 list<Register> Uses = uses;
236 list<Register> Defs = defs;
240 // Prefix byte classes which are used to indicate to the ad-hoc machine code
241 // emitter that various prefix bytes are required.
242 class OpSize { bit hasOpSizePrefix = 1; }
243 class TB { bits<4> Prefix = 1; }
244 class REP { bits<4> Prefix = 2; }
245 class D8 { bits<4> Prefix = 3; }
246 class D9 { bits<4> Prefix = 4; }
247 class DA { bits<4> Prefix = 5; }
248 class DB { bits<4> Prefix = 6; }
249 class DC { bits<4> Prefix = 7; }
250 class DD { bits<4> Prefix = 8; }
251 class DE { bits<4> Prefix = 9; }
252 class DF { bits<4> Prefix = 10; }
253 class XD { bits<4> Prefix = 11; }
254 class XS { bits<4> Prefix = 12; }
257 //===----------------------------------------------------------------------===//
258 // Pattern fragments...
261 // X86 specific condition code. These correspond to CondCode in
262 // X86ISelLowering.h. They must be kept in synch.
263 def X86_COND_A : PatLeaf<(i8 0)>;
264 def X86_COND_AE : PatLeaf<(i8 1)>;
265 def X86_COND_B : PatLeaf<(i8 2)>;
266 def X86_COND_BE : PatLeaf<(i8 3)>;
267 def X86_COND_E : PatLeaf<(i8 4)>;
268 def X86_COND_G : PatLeaf<(i8 5)>;
269 def X86_COND_GE : PatLeaf<(i8 6)>;
270 def X86_COND_L : PatLeaf<(i8 7)>;
271 def X86_COND_LE : PatLeaf<(i8 8)>;
272 def X86_COND_NE : PatLeaf<(i8 9)>;
273 def X86_COND_NO : PatLeaf<(i8 10)>;
274 def X86_COND_NP : PatLeaf<(i8 11)>;
275 def X86_COND_NS : PatLeaf<(i8 12)>;
276 def X86_COND_O : PatLeaf<(i8 13)>;
277 def X86_COND_P : PatLeaf<(i8 14)>;
278 def X86_COND_S : PatLeaf<(i8 15)>;
280 def i16immSExt8 : PatLeaf<(i16 imm), [{
281 // i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
282 // sign extended field.
283 return (int)N->getValue() == (signed char)N->getValue();
286 def i32immSExt8 : PatLeaf<(i32 imm), [{
287 // i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
288 // sign extended field.
289 return (int)N->getValue() == (signed char)N->getValue();
292 def i16immZExt8 : PatLeaf<(i16 imm), [{
293 // i16immZExt8 predicate - True if the 16-bit immediate fits in a 8-bit zero
295 return (unsigned)N->getValue() == (unsigned char)N->getValue();
298 def fp32imm0 : PatLeaf<(f32 fpimm), [{
299 return N->isExactlyValue(+0.0);
302 def fp64imm0 : PatLeaf<(f64 fpimm), [{
303 return N->isExactlyValue(+0.0);
306 def fp64immneg0 : PatLeaf<(f64 fpimm), [{
307 return N->isExactlyValue(-0.0);
310 def fp64imm1 : PatLeaf<(f64 fpimm), [{
311 return N->isExactlyValue(+1.0);
314 def fp64immneg1 : PatLeaf<(f64 fpimm), [{
315 return N->isExactlyValue(-1.0);
318 // Helper fragments for loads.
319 def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
320 def loadi16 : PatFrag<(ops node:$ptr), (i16 (load node:$ptr))>;
321 def loadi32 : PatFrag<(ops node:$ptr), (i32 (load node:$ptr))>;
322 def loadf32 : PatFrag<(ops node:$ptr), (f32 (load node:$ptr))>;
323 def loadf64 : PatFrag<(ops node:$ptr), (f64 (load node:$ptr))>;
325 def sextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (sextload node:$ptr, i1))>;
326 def sextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i1))>;
327 def sextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (sextload node:$ptr, i8))>;
328 def sextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i8))>;
329 def sextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (sextload node:$ptr, i16))>;
331 def zextloadi16i1 : PatFrag<(ops node:$ptr), (i16 (zextload node:$ptr, i1))>;
332 def zextloadi32i1 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i1))>;
333 def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextload node:$ptr, i8))>;
334 def zextloadi32i8 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i8))>;
335 def zextloadi32i16 : PatFrag<(ops node:$ptr), (i32 (zextload node:$ptr, i16))>;
337 def extloadi8i1 : PatFrag<(ops node:$ptr), (i8 (extload node:$ptr, i1))>;
338 def extloadf64f32 : PatFrag<(ops node:$ptr), (f64 (extload node:$ptr, f32))>;
340 //===----------------------------------------------------------------------===//
341 // Instruction templates...
343 class I<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
344 : X86Inst<o, f, NoImm, ops, asm> {
345 let Pattern = pattern;
347 class Ii8 <bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
348 : X86Inst<o, f, Imm8 , ops, asm> {
349 let Pattern = pattern;
351 class Ii16<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
352 : X86Inst<o, f, Imm16, ops, asm> {
353 let Pattern = pattern;
355 class Ii32<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
356 : X86Inst<o, f, Imm32, ops, asm> {
357 let Pattern = pattern;
360 //===----------------------------------------------------------------------===//
361 // Instruction list...
364 // Pseudo-instructions:
365 def PHI : I<0, Pseudo, (ops variable_ops), "PHINODE", []>; // PHI node.
367 def ADJCALLSTACKDOWN : I<0, Pseudo, (ops i32imm:$amt), "#ADJCALLSTACKDOWN",
368 [(X86callseq_start imm:$amt)]>;
369 def ADJCALLSTACKUP : I<0, Pseudo, (ops i32imm:$amt1, i32imm:$amt2),
371 [(X86callseq_end imm:$amt1, imm:$amt2)]>;
372 def IMPLICIT_USE : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_USE", []>;
373 def IMPLICIT_DEF : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_DEF", []>;
374 def IMPLICIT_DEF_R8 : I<0, Pseudo, (ops R8:$dst),
375 "#IMPLICIT_DEF $dst",
376 [(set R8:$dst, (undef))]>;
377 def IMPLICIT_DEF_R16 : I<0, Pseudo, (ops R16:$dst),
378 "#IMPLICIT_DEF $dst",
379 [(set R16:$dst, (undef))]>;
380 def IMPLICIT_DEF_R32 : I<0, Pseudo, (ops R32:$dst),
381 "#IMPLICIT_DEF $dst",
382 [(set R32:$dst, (undef))]>;
383 def IMPLICIT_DEF_FR32 : I<0, Pseudo, (ops FR32:$dst),
384 "#IMPLICIT_DEF $dst",
385 [(set FR32:$dst, (undef))]>, Requires<[HasSSE2]>;
386 def IMPLICIT_DEF_FR64 : I<0, Pseudo, (ops FR64:$dst),
387 "#IMPLICIT_DEF $dst",
388 [(set FR64:$dst, (undef))]>, Requires<[HasSSE2]>;
391 // CMOV* - Used to implement the SSE SELECT DAG operation. Expanded by the
392 // scheduler into a branch sequence.
393 let usesCustomDAGSchedInserter = 1 in { // Expanded by the scheduler.
394 def CMOV_FR32 : I<0, Pseudo,
395 (ops FR32:$dst, FR32:$t, FR32:$f, i8imm:$cond),
397 [(set FR32:$dst, (X86cmov FR32:$t, FR32:$f, imm:$cond,
399 def CMOV_FR64 : I<0, Pseudo,
400 (ops FR64:$dst, FR64:$t, FR64:$f, i8imm:$cond),
402 [(set FR64:$dst, (X86cmov FR64:$t, FR64:$f, imm:$cond,
406 let isTerminator = 1 in
407 let Defs = [FP0, FP1, FP2, FP3, FP4, FP5, FP6] in
408 def FP_REG_KILL : I<0, Pseudo, (ops), "#FP_REG_KILL", []>;
412 def NOOP : I<0x90, RawFrm, (ops), "nop", []>;
414 //===----------------------------------------------------------------------===//
415 // Control Flow Instructions...
418 // Return instructions.
419 let isTerminator = 1, isReturn = 1, isBarrier = 1,
420 hasCtrlDep = 1, noResults = 1 in {
421 def RET : I<0xC3, RawFrm, (ops), "ret", [(X86retflag 0)]>;
422 def RETI : Ii16<0xC2, RawFrm, (ops i16imm:$amt), "ret $amt",
423 [(X86retflag imm:$amt)]>;
426 // All branches are RawFrm, Void, Branch, and Terminators
427 let isBranch = 1, isTerminator = 1, noResults = 1 in
428 class IBr<bits<8> opcode, dag ops, string asm, list<dag> pattern> :
429 I<opcode, RawFrm, ops, asm, pattern>;
431 // Conditional branches
433 def JMP : IBr<0xE9, (ops brtarget:$dst), "jmp $dst", [(br bb:$dst)]>;
435 def JE : IBr<0x84, (ops brtarget:$dst), "je $dst",
436 [(X86brcond bb:$dst, X86_COND_E, STATUS)]>, Imp<[STATUS],[]>, TB;
437 def JNE : IBr<0x85, (ops brtarget:$dst), "jne $dst",
438 [(X86brcond bb:$dst, X86_COND_NE, STATUS)]>, Imp<[STATUS],[]>, TB;
439 def JL : IBr<0x8C, (ops brtarget:$dst), "jl $dst",
440 [(X86brcond bb:$dst, X86_COND_L, STATUS)]>, Imp<[STATUS],[]>, TB;
441 def JLE : IBr<0x8E, (ops brtarget:$dst), "jle $dst",
442 [(X86brcond bb:$dst, X86_COND_LE, STATUS)]>, Imp<[STATUS],[]>, TB;
443 def JG : IBr<0x8F, (ops brtarget:$dst), "jg $dst",
444 [(X86brcond bb:$dst, X86_COND_G, STATUS)]>, Imp<[STATUS],[]>, TB;
445 def JGE : IBr<0x8D, (ops brtarget:$dst), "jge $dst",
446 [(X86brcond bb:$dst, X86_COND_GE, STATUS)]>, Imp<[STATUS],[]>, TB;
448 def JB : IBr<0x82, (ops brtarget:$dst), "jb $dst",
449 [(X86brcond bb:$dst, X86_COND_B, STATUS)]>, Imp<[STATUS],[]>, TB;
450 def JBE : IBr<0x86, (ops brtarget:$dst), "jbe $dst",
451 [(X86brcond bb:$dst, X86_COND_BE, STATUS)]>, Imp<[STATUS],[]>, TB;
452 def JA : IBr<0x87, (ops brtarget:$dst), "ja $dst",
453 [(X86brcond bb:$dst, X86_COND_A, STATUS)]>, Imp<[STATUS],[]>, TB;
454 def JAE : IBr<0x83, (ops brtarget:$dst), "jae $dst",
455 [(X86brcond bb:$dst, X86_COND_AE, STATUS)]>, Imp<[STATUS],[]>, TB;
457 def JS : IBr<0x88, (ops brtarget:$dst), "js $dst",
458 [(X86brcond bb:$dst, X86_COND_S, STATUS)]>, Imp<[STATUS],[]>, TB;
459 def JNS : IBr<0x89, (ops brtarget:$dst), "jns $dst",
460 [(X86brcond bb:$dst, X86_COND_NS, STATUS)]>, Imp<[STATUS],[]>, TB;
461 def JP : IBr<0x8A, (ops brtarget:$dst), "jp $dst",
462 [(X86brcond bb:$dst, X86_COND_P, STATUS)]>, Imp<[STATUS],[]>, TB;
463 def JNP : IBr<0x8B, (ops brtarget:$dst), "jnp $dst",
464 [(X86brcond bb:$dst, X86_COND_NP, STATUS)]>, Imp<[STATUS],[]>, TB;
465 def JO : IBr<0x80, (ops brtarget:$dst), "jo $dst",
466 [(X86brcond bb:$dst, X86_COND_O, STATUS)]>, Imp<[STATUS],[]>, TB;
467 def JNO : IBr<0x81, (ops brtarget:$dst), "jno $dst",
468 [(X86brcond bb:$dst, X86_COND_NO, STATUS)]>, Imp<[STATUS],[]>, TB;
470 //===----------------------------------------------------------------------===//
471 // Call Instructions...
473 let isCall = 1, noResults = 1 in
474 // All calls clobber the non-callee saved registers...
475 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
476 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7] in {
477 def CALLpcrel32 : I<0xE8, RawFrm, (ops calltarget:$dst), "call $dst",
479 def CALL32r : I<0xFF, MRM2r, (ops R32:$dst), "call {*}$dst",
480 [(X86call R32:$dst)]>;
481 def CALL32m : I<0xFF, MRM2m, (ops i32mem:$dst), "call {*}$dst",
482 [(X86call (loadi32 addr:$dst))]>;
486 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
487 def TAILJMPd : IBr<0xE9, (ops calltarget:$dst), "jmp $dst # TAIL CALL", []>;
488 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
489 def TAILJMPr : I<0xFF, MRM4r, (ops R32:$dst), "jmp {*}$dst # TAIL CALL", []>;
490 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, noResults = 1 in
491 def TAILJMPm : I<0xFF, MRM4m, (ops i32mem:$dst),
492 "jmp {*}$dst # TAIL CALL", []>;
494 // ADJSTACKPTRri - This is a standard ADD32ri instruction, identical in every
495 // way, except that it is marked as being a terminator. This causes the epilog
496 // inserter to insert reloads of callee saved registers BEFORE this. We need
497 // this until we have a more accurate way of tracking where the stack pointer is
498 // within a function.
499 let isTerminator = 1, isTwoAddress = 1 in
500 def ADJSTACKPTRri : Ii32<0x81, MRM0r, (ops R32:$dst, R32:$src1, i32imm:$src2),
501 "add{l} {$src2, $dst|$dst, $src2}", []>;
503 //===----------------------------------------------------------------------===//
504 // Miscellaneous Instructions...
506 def LEAVE : I<0xC9, RawFrm,
507 (ops), "leave", []>, Imp<[EBP,ESP],[EBP,ESP]>;
508 def POP32r : I<0x58, AddRegFrm,
509 (ops R32:$reg), "pop{l} $reg", []>, Imp<[ESP],[ESP]>;
511 let isTwoAddress = 1 in // R32 = bswap R32
512 def BSWAP32r : I<0xC8, AddRegFrm,
513 (ops R32:$dst, R32:$src), "bswap{l} $dst", []>, TB;
515 def XCHG8rr : I<0x86, MRMDestReg, // xchg R8, R8
516 (ops R8:$src1, R8:$src2),
517 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
518 def XCHG16rr : I<0x87, MRMDestReg, // xchg R16, R16
519 (ops R16:$src1, R16:$src2),
520 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
521 def XCHG32rr : I<0x87, MRMDestReg, // xchg R32, R32
522 (ops R32:$src1, R32:$src2),
523 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
525 def XCHG8mr : I<0x86, MRMDestMem,
526 (ops i8mem:$src1, R8:$src2),
527 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
528 def XCHG16mr : I<0x87, MRMDestMem,
529 (ops i16mem:$src1, R16:$src2),
530 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
531 def XCHG32mr : I<0x87, MRMDestMem,
532 (ops i32mem:$src1, R32:$src2),
533 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
534 def XCHG8rm : I<0x86, MRMSrcMem,
535 (ops R8:$src1, i8mem:$src2),
536 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
537 def XCHG16rm : I<0x87, MRMSrcMem,
538 (ops R16:$src1, i16mem:$src2),
539 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
540 def XCHG32rm : I<0x87, MRMSrcMem,
541 (ops R32:$src1, i32mem:$src2),
542 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
544 def LEA16r : I<0x8D, MRMSrcMem,
545 (ops R16:$dst, i32mem:$src),
546 "lea{w} {$src|$dst}, {$dst|$src}", []>, OpSize;
547 def LEA32r : I<0x8D, MRMSrcMem,
548 (ops R32:$dst, i32mem:$src),
549 "lea{l} {$src|$dst}, {$dst|$src}",
550 [(set R32:$dst, leaaddr:$src)]>;
552 def REP_MOVSB : I<0xA4, RawFrm, (ops), "{rep;movsb|rep movsb}", []>,
553 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
554 def REP_MOVSW : I<0xA5, RawFrm, (ops), "{rep;movsw|rep movsw}", []>,
555 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP, OpSize;
556 def REP_MOVSD : I<0xA5, RawFrm, (ops), "{rep;movsd|rep movsd}", []>,
557 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
559 def REP_STOSB : I<0xAA, RawFrm, (ops), "{rep;stosb|rep stosb}", []>,
560 Imp<[AL,ECX,EDI], [ECX,EDI]>, REP;
561 def REP_STOSW : I<0xAB, RawFrm, (ops), "{rep;stosw|rep stosw}", []>,
562 Imp<[AX,ECX,EDI], [ECX,EDI]>, REP, OpSize;
563 def REP_STOSD : I<0xAB, RawFrm, (ops), "{rep;stosl|rep stosd}", []>,
564 Imp<[EAX,ECX,EDI], [ECX,EDI]>, REP;
567 //===----------------------------------------------------------------------===//
568 // Input/Output Instructions...
570 def IN8rr : I<0xEC, RawFrm, (ops),
571 "in{b} {%dx, %al|%AL, %DX}",
572 [(set AL, (readport DX))]>, Imp<[DX], [AL]>;
573 def IN16rr : I<0xED, RawFrm, (ops),
574 "in{w} {%dx, %ax|%AX, %DX}",
575 [(set AX, (readport DX))]>, Imp<[DX], [AX]>, OpSize;
576 def IN32rr : I<0xED, RawFrm, (ops),
577 "in{l} {%dx, %eax|%EAX, %DX}",
578 [(set EAX, (readport DX))]>, Imp<[DX],[EAX]>;
580 def IN8ri : Ii8<0xE4, RawFrm, (ops i16i8imm:$port),
581 "in{b} {$port, %al|%AL, $port}",
582 [(set AL, (readport i16immZExt8:$port))]>,
584 def IN16ri : Ii8<0xE5, RawFrm, (ops i16i8imm:$port),
585 "in{w} {$port, %ax|%AX, $port}",
586 [(set AX, (readport i16immZExt8:$port))]>,
587 Imp<[], [AX]>, OpSize;
588 def IN32ri : Ii8<0xE5, RawFrm, (ops i16i8imm:$port),
589 "in{l} {$port, %eax|%EAX, $port}",
590 [(set EAX, (readport i16immZExt8:$port))]>,
593 def OUT8rr : I<0xEE, RawFrm, (ops),
594 "out{b} {%al, %dx|%DX, %AL}",
595 [(writeport AL, DX)]>, Imp<[DX, AL], []>;
596 def OUT16rr : I<0xEF, RawFrm, (ops),
597 "out{w} {%ax, %dx|%DX, %AX}",
598 [(writeport AX, DX)]>, Imp<[DX, AX], []>, OpSize;
599 def OUT32rr : I<0xEF, RawFrm, (ops),
600 "out{l} {%eax, %dx|%DX, %EAX}",
601 [(writeport EAX, DX)]>, Imp<[DX, EAX], []>;
603 def OUT8ir : Ii8<0xE6, RawFrm, (ops i16i8imm:$port),
604 "out{b} {%al, $port|$port, %AL}",
605 [(writeport AL, i16immZExt8:$port)]>,
607 def OUT16ir : Ii8<0xE7, RawFrm, (ops i16i8imm:$port),
608 "out{w} {%ax, $port|$port, %AX}",
609 [(writeport AX, i16immZExt8:$port)]>,
610 Imp<[AX], []>, OpSize;
611 def OUT32ir : Ii8<0xE7, RawFrm, (ops i16i8imm:$port),
612 "out{l} {%eax, $port|$port, %EAX}",
613 [(writeport EAX, i16immZExt8:$port)]>,
616 //===----------------------------------------------------------------------===//
617 // Move Instructions...
619 def MOV8rr : I<0x88, MRMDestReg, (ops R8 :$dst, R8 :$src),
620 "mov{b} {$src, $dst|$dst, $src}", []>;
621 def MOV16rr : I<0x89, MRMDestReg, (ops R16:$dst, R16:$src),
622 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
623 def MOV32rr : I<0x89, MRMDestReg, (ops R32:$dst, R32:$src),
624 "mov{l} {$src, $dst|$dst, $src}", []>;
625 def MOV8ri : Ii8 <0xB0, AddRegFrm, (ops R8 :$dst, i8imm :$src),
626 "mov{b} {$src, $dst|$dst, $src}",
627 [(set R8:$dst, imm:$src)]>;
628 def MOV16ri : Ii16<0xB8, AddRegFrm, (ops R16:$dst, i16imm:$src),
629 "mov{w} {$src, $dst|$dst, $src}",
630 [(set R16:$dst, imm:$src)]>, OpSize;
631 def MOV32ri : Ii32<0xB8, AddRegFrm, (ops R32:$dst, i32imm:$src),
632 "mov{l} {$src, $dst|$dst, $src}",
633 [(set R32:$dst, imm:$src)]>;
634 def MOV8mi : Ii8 <0xC6, MRM0m, (ops i8mem :$dst, i8imm :$src),
635 "mov{b} {$src, $dst|$dst, $src}",
636 [(store (i8 imm:$src), addr:$dst)]>;
637 def MOV16mi : Ii16<0xC7, MRM0m, (ops i16mem:$dst, i16imm:$src),
638 "mov{w} {$src, $dst|$dst, $src}",
639 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
640 def MOV32mi : Ii32<0xC7, MRM0m, (ops i32mem:$dst, i32imm:$src),
641 "mov{l} {$src, $dst|$dst, $src}",
642 [(store (i32 imm:$src), addr:$dst)]>;
644 def MOV8rm : I<0x8A, MRMSrcMem, (ops R8 :$dst, i8mem :$src),
645 "mov{b} {$src, $dst|$dst, $src}",
646 [(set R8:$dst, (load addr:$src))]>;
647 def MOV16rm : I<0x8B, MRMSrcMem, (ops R16:$dst, i16mem:$src),
648 "mov{w} {$src, $dst|$dst, $src}",
649 [(set R16:$dst, (load addr:$src))]>, OpSize;
650 def MOV32rm : I<0x8B, MRMSrcMem, (ops R32:$dst, i32mem:$src),
651 "mov{l} {$src, $dst|$dst, $src}",
652 [(set R32:$dst, (load addr:$src))]>;
654 def MOV8mr : I<0x88, MRMDestMem, (ops i8mem :$dst, R8 :$src),
655 "mov{b} {$src, $dst|$dst, $src}",
656 [(store R8:$src, addr:$dst)]>;
657 def MOV16mr : I<0x89, MRMDestMem, (ops i16mem:$dst, R16:$src),
658 "mov{w} {$src, $dst|$dst, $src}",
659 [(store R16:$src, addr:$dst)]>, OpSize;
660 def MOV32mr : I<0x89, MRMDestMem, (ops i32mem:$dst, R32:$src),
661 "mov{l} {$src, $dst|$dst, $src}",
662 [(store R32:$src, addr:$dst)]>;
664 //===----------------------------------------------------------------------===//
665 // Fixed-Register Multiplication and Division Instructions...
668 // Extra precision multiplication
669 def MUL8r : I<0xF6, MRM4r, (ops R8:$src), "mul{b} $src", []>,
670 Imp<[AL],[AX]>; // AL,AH = AL*R8
671 def MUL16r : I<0xF7, MRM4r, (ops R16:$src), "mul{w} $src", []>,
672 Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*R16
673 def MUL32r : I<0xF7, MRM4r, (ops R32:$src), "mul{l} $src", []>,
674 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*R32
675 def MUL8m : I<0xF6, MRM4m, (ops i8mem :$src),
676 "mul{b} $src", []>, Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
677 def MUL16m : I<0xF7, MRM4m, (ops i16mem:$src),
678 "mul{w} $src", []>, Imp<[AX],[AX,DX]>,
679 OpSize; // AX,DX = AX*[mem16]
680 def MUL32m : I<0xF7, MRM4m, (ops i32mem:$src),
681 "mul{l} $src", []>, Imp<[EAX],[EAX,EDX]>;// EAX,EDX = EAX*[mem32]
683 def IMUL8r : I<0xF6, MRM5r, (ops R8:$src), "imul{b} $src", []>,
684 Imp<[AL],[AX]>; // AL,AH = AL*R8
685 def IMUL16r : I<0xF7, MRM5r, (ops R16:$src), "imul{w} $src", []>,
686 Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*R16
687 def IMUL32r : I<0xF7, MRM5r, (ops R32:$src), "imul{l} $src", []>,
688 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*R32
689 def IMUL8m : I<0xF6, MRM5m, (ops i8mem :$src),
690 "imul{b} $src", []>, Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
691 def IMUL16m : I<0xF7, MRM5m, (ops i16mem:$src),
692 "imul{w} $src", []>, Imp<[AX],[AX,DX]>,
693 OpSize; // AX,DX = AX*[mem16]
694 def IMUL32m : I<0xF7, MRM5m, (ops i32mem:$src),
696 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*[mem32]
698 // unsigned division/remainder
699 def DIV8r : I<0xF6, MRM6r, (ops R8:$src), // AX/r8 = AL,AH
700 "div{b} $src", []>, Imp<[AX],[AX]>;
701 def DIV16r : I<0xF7, MRM6r, (ops R16:$src), // DX:AX/r16 = AX,DX
702 "div{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
703 def DIV32r : I<0xF7, MRM6r, (ops R32:$src), // EDX:EAX/r32 = EAX,EDX
704 "div{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
705 def DIV8m : I<0xF6, MRM6m, (ops i8mem:$src), // AX/[mem8] = AL,AH
706 "div{b} $src", []>, Imp<[AX],[AX]>;
707 def DIV16m : I<0xF7, MRM6m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX
708 "div{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
709 def DIV32m : I<0xF7, MRM6m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
710 "div{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
712 // Signed division/remainder.
713 def IDIV8r : I<0xF6, MRM7r, (ops R8:$src), // AX/r8 = AL,AH
714 "idiv{b} $src", []>, Imp<[AX],[AX]>;
715 def IDIV16r: I<0xF7, MRM7r, (ops R16:$src), // DX:AX/r16 = AX,DX
716 "idiv{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
717 def IDIV32r: I<0xF7, MRM7r, (ops R32:$src), // EDX:EAX/r32 = EAX,EDX
718 "idiv{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
719 def IDIV8m : I<0xF6, MRM7m, (ops i8mem:$src), // AX/[mem8] = AL,AH
720 "idiv{b} $src", []>, Imp<[AX],[AX]>;
721 def IDIV16m: I<0xF7, MRM7m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX
722 "idiv{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
723 def IDIV32m: I<0xF7, MRM7m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
724 "idiv{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
726 // Sign-extenders for division.
727 def CBW : I<0x98, RawFrm, (ops),
728 "{cbtw|cbw}", []>, Imp<[AL],[AH]>; // AX = signext(AL)
729 def CWD : I<0x99, RawFrm, (ops),
730 "{cwtd|cwd}", []>, Imp<[AX],[DX]>; // DX:AX = signext(AX)
731 def CDQ : I<0x99, RawFrm, (ops),
732 "{cltd|cdq}", []>, Imp<[EAX],[EDX]>; // EDX:EAX = signext(EAX)
735 //===----------------------------------------------------------------------===//
736 // Two address Instructions...
738 let isTwoAddress = 1 in {
741 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, R16 = R16
742 (ops R16:$dst, R16:$src1, R16:$src2),
743 "cmovb {$src2, $dst|$dst, $src2}",
744 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
745 X86_COND_B, STATUS))]>,
746 Imp<[STATUS],[]>, TB, OpSize;
747 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, R16 = [mem16]
748 (ops R16:$dst, R16:$src1, i16mem:$src2),
749 "cmovb {$src2, $dst|$dst, $src2}",
750 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
751 X86_COND_B, STATUS))]>,
752 Imp<[STATUS],[]>, TB, OpSize;
753 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, R32 = R32
754 (ops R32:$dst, R32:$src1, R32:$src2),
755 "cmovb {$src2, $dst|$dst, $src2}",
756 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
757 X86_COND_B, STATUS))]>,
758 Imp<[STATUS],[]>, TB;
759 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, R32 = [mem32]
760 (ops R32:$dst, R32:$src1, i32mem:$src2),
761 "cmovb {$src2, $dst|$dst, $src2}",
762 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
763 X86_COND_B, STATUS))]>,
764 Imp<[STATUS],[]>, TB;
766 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, R16 = R16
767 (ops R16:$dst, R16:$src1, R16:$src2),
768 "cmovae {$src2, $dst|$dst, $src2}",
769 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
770 X86_COND_AE, STATUS))]>,
771 Imp<[STATUS],[]>, TB, OpSize;
772 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, R16 = [mem16]
773 (ops R16:$dst, R16:$src1, i16mem:$src2),
774 "cmovae {$src2, $dst|$dst, $src2}",
775 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
776 X86_COND_AE, STATUS))]>,
777 Imp<[STATUS],[]>, TB, OpSize;
778 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, R32 = R32
779 (ops R32:$dst, R32:$src1, R32:$src2),
780 "cmovae {$src2, $dst|$dst, $src2}",
781 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
782 X86_COND_AE, STATUS))]>,
783 Imp<[STATUS],[]>, TB;
784 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, R32 = [mem32]
785 (ops R32:$dst, R32:$src1, i32mem:$src2),
786 "cmovae {$src2, $dst|$dst, $src2}",
787 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
788 X86_COND_AE, STATUS))]>,
789 Imp<[STATUS],[]>, TB;
791 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, R16 = R16
792 (ops R16:$dst, R16:$src1, R16:$src2),
793 "cmove {$src2, $dst|$dst, $src2}",
794 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
795 X86_COND_E, STATUS))]>,
796 Imp<[STATUS],[]>, TB, OpSize;
797 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, R16 = [mem16]
798 (ops R16:$dst, R16:$src1, i16mem:$src2),
799 "cmove {$src2, $dst|$dst, $src2}",
800 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
801 X86_COND_E, STATUS))]>,
802 Imp<[STATUS],[]>, TB, OpSize;
803 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, R32 = R32
804 (ops R32:$dst, R32:$src1, R32:$src2),
805 "cmove {$src2, $dst|$dst, $src2}",
806 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
807 X86_COND_E, STATUS))]>,
808 Imp<[STATUS],[]>, TB;
809 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, R32 = [mem32]
810 (ops R32:$dst, R32:$src1, i32mem:$src2),
811 "cmove {$src2, $dst|$dst, $src2}",
812 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
813 X86_COND_E, STATUS))]>,
814 Imp<[STATUS],[]>, TB;
816 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, R16 = R16
817 (ops R16:$dst, R16:$src1, R16:$src2),
818 "cmovne {$src2, $dst|$dst, $src2}",
819 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
820 X86_COND_NE, STATUS))]>,
821 Imp<[STATUS],[]>, TB, OpSize;
822 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, R16 = [mem16]
823 (ops R16:$dst, R16:$src1, i16mem:$src2),
824 "cmovne {$src2, $dst|$dst, $src2}",
825 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
826 X86_COND_NE, STATUS))]>,
827 Imp<[STATUS],[]>, TB, OpSize;
828 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, R32 = R32
829 (ops R32:$dst, R32:$src1, R32:$src2),
830 "cmovne {$src2, $dst|$dst, $src2}",
831 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
832 X86_COND_NE, STATUS))]>,
833 Imp<[STATUS],[]>, TB;
834 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, R32 = [mem32]
835 (ops R32:$dst, R32:$src1, i32mem:$src2),
836 "cmovne {$src2, $dst|$dst, $src2}",
837 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
838 X86_COND_NE, STATUS))]>,
839 Imp<[STATUS],[]>, TB;
841 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, R16 = R16
842 (ops R16:$dst, R16:$src1, R16:$src2),
843 "cmovbe {$src2, $dst|$dst, $src2}",
844 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
845 X86_COND_BE, STATUS))]>,
846 Imp<[STATUS],[]>, TB, OpSize;
847 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, R16 = [mem16]
848 (ops R16:$dst, R16:$src1, i16mem:$src2),
849 "cmovbe {$src2, $dst|$dst, $src2}",
850 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
851 X86_COND_BE, STATUS))]>,
852 Imp<[STATUS],[]>, TB, OpSize;
853 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, R32 = R32
854 (ops R32:$dst, R32:$src1, R32:$src2),
855 "cmovbe {$src2, $dst|$dst, $src2}",
856 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
857 X86_COND_BE, STATUS))]>,
858 Imp<[STATUS],[]>, TB;
859 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, R32 = [mem32]
860 (ops R32:$dst, R32:$src1, i32mem:$src2),
861 "cmovbe {$src2, $dst|$dst, $src2}",
862 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
863 X86_COND_BE, STATUS))]>,
864 Imp<[STATUS],[]>, TB;
866 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, R16 = R16
867 (ops R16:$dst, R16:$src1, R16:$src2),
868 "cmova {$src2, $dst|$dst, $src2}",
869 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
870 X86_COND_A, STATUS))]>,
871 Imp<[STATUS],[]>, TB, OpSize;
872 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, R16 = [mem16]
873 (ops R16:$dst, R16:$src1, i16mem:$src2),
874 "cmova {$src2, $dst|$dst, $src2}",
875 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
876 X86_COND_A, STATUS))]>,
877 Imp<[STATUS],[]>, TB, OpSize;
878 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, R32 = R32
879 (ops R32:$dst, R32:$src1, R32:$src2),
880 "cmova {$src2, $dst|$dst, $src2}",
881 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
882 X86_COND_A, STATUS))]>,
883 Imp<[STATUS],[]>, TB;
884 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, R32 = [mem32]
885 (ops R32:$dst, R32:$src1, i32mem:$src2),
886 "cmova {$src2, $dst|$dst, $src2}",
887 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
888 X86_COND_A, STATUS))]>,
889 Imp<[STATUS],[]>, TB;
891 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, R16 = R16
892 (ops R16:$dst, R16:$src1, R16:$src2),
893 "cmovl {$src2, $dst|$dst, $src2}",
894 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
895 X86_COND_L, STATUS))]>,
896 Imp<[STATUS],[]>, TB, OpSize;
897 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, R16 = [mem16]
898 (ops R16:$dst, R16:$src1, i16mem:$src2),
899 "cmovl {$src2, $dst|$dst, $src2}",
900 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
901 X86_COND_L, STATUS))]>,
902 Imp<[STATUS],[]>, TB, OpSize;
903 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, R32 = R32
904 (ops R32:$dst, R32:$src1, R32:$src2),
905 "cmovl {$src2, $dst|$dst, $src2}",
906 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
907 X86_COND_L, STATUS))]>,
908 Imp<[STATUS],[]>, TB;
909 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, R32 = [mem32]
910 (ops R32:$dst, R32:$src1, i32mem:$src2),
911 "cmovl {$src2, $dst|$dst, $src2}",
912 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
913 X86_COND_L, STATUS))]>,
914 Imp<[STATUS],[]>, TB;
916 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, R16 = R16
917 (ops R16:$dst, R16:$src1, R16:$src2),
918 "cmovge {$src2, $dst|$dst, $src2}",
919 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
920 X86_COND_GE, STATUS))]>,
921 Imp<[STATUS],[]>, TB, OpSize;
922 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, R16 = [mem16]
923 (ops R16:$dst, R16:$src1, i16mem:$src2),
924 "cmovge {$src2, $dst|$dst, $src2}",
925 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
926 X86_COND_GE, STATUS))]>,
927 Imp<[STATUS],[]>, TB, OpSize;
928 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, R32 = R32
929 (ops R32:$dst, R32:$src1, R32:$src2),
930 "cmovge {$src2, $dst|$dst, $src2}",
931 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
932 X86_COND_GE, STATUS))]>,
933 Imp<[STATUS],[]>, TB;
934 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, R32 = [mem32]
935 (ops R32:$dst, R32:$src1, i32mem:$src2),
936 "cmovge {$src2, $dst|$dst, $src2}",
937 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
938 X86_COND_GE, STATUS))]>,
939 Imp<[STATUS],[]>, TB;
941 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, R16 = R16
942 (ops R16:$dst, R16:$src1, R16:$src2),
943 "cmovle {$src2, $dst|$dst, $src2}",
944 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
945 X86_COND_LE, STATUS))]>,
946 Imp<[STATUS],[]>, TB, OpSize;
947 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, R16 = [mem16]
948 (ops R16:$dst, R16:$src1, i16mem:$src2),
949 "cmovle {$src2, $dst|$dst, $src2}",
950 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
951 X86_COND_LE, STATUS))]>,
952 Imp<[STATUS],[]>, TB, OpSize;
953 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, R32 = R32
954 (ops R32:$dst, R32:$src1, R32:$src2),
955 "cmovle {$src2, $dst|$dst, $src2}",
956 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
957 X86_COND_LE, STATUS))]>,
958 Imp<[STATUS],[]>, TB;
959 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, R32 = [mem32]
960 (ops R32:$dst, R32:$src1, i32mem:$src2),
961 "cmovle {$src2, $dst|$dst, $src2}",
962 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
963 X86_COND_LE, STATUS))]>,
964 Imp<[STATUS],[]>, TB;
966 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, R16 = R16
967 (ops R16:$dst, R16:$src1, R16:$src2),
968 "cmovg {$src2, $dst|$dst, $src2}",
969 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
970 X86_COND_G, STATUS))]>,
971 Imp<[STATUS],[]>, TB, OpSize;
972 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, R16 = [mem16]
973 (ops R16:$dst, R16:$src1, i16mem:$src2),
974 "cmovg {$src2, $dst|$dst, $src2}",
975 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
976 X86_COND_G, STATUS))]>,
977 Imp<[STATUS],[]>, TB, OpSize;
978 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, R32 = R32
979 (ops R32:$dst, R32:$src1, R32:$src2),
980 "cmovg {$src2, $dst|$dst, $src2}",
981 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
982 X86_COND_G, STATUS))]>,
983 Imp<[STATUS],[]>, TB;
984 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, R32 = [mem32]
985 (ops R32:$dst, R32:$src1, i32mem:$src2),
986 "cmovg {$src2, $dst|$dst, $src2}",
987 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
988 X86_COND_G, STATUS))]>,
989 Imp<[STATUS],[]>, TB;
991 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, R16 = R16
992 (ops R16:$dst, R16:$src1, R16:$src2),
993 "cmovs {$src2, $dst|$dst, $src2}",
994 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
995 X86_COND_S, STATUS))]>,
996 Imp<[STATUS],[]>, TB, OpSize;
997 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, R16 = [mem16]
998 (ops R16:$dst, R16:$src1, i16mem:$src2),
999 "cmovs {$src2, $dst|$dst, $src2}",
1000 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
1001 X86_COND_S, STATUS))]>,
1002 Imp<[STATUS],[]>, TB, OpSize;
1003 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, R32 = R32
1004 (ops R32:$dst, R32:$src1, R32:$src2),
1005 "cmovs {$src2, $dst|$dst, $src2}",
1006 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
1007 X86_COND_S, STATUS))]>,
1008 Imp<[STATUS],[]>, TB;
1009 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, R32 = [mem32]
1010 (ops R32:$dst, R32:$src1, i32mem:$src2),
1011 "cmovs {$src2, $dst|$dst, $src2}",
1012 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
1013 X86_COND_S, STATUS))]>,
1014 Imp<[STATUS],[]>, TB;
1016 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, R16 = R16
1017 (ops R16:$dst, R16:$src1, R16:$src2),
1018 "cmovns {$src2, $dst|$dst, $src2}",
1019 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
1020 X86_COND_NS, STATUS))]>,
1021 Imp<[STATUS],[]>, TB, OpSize;
1022 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, R16 = [mem16]
1023 (ops R16:$dst, R16:$src1, i16mem:$src2),
1024 "cmovns {$src2, $dst|$dst, $src2}",
1025 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
1026 X86_COND_NS, STATUS))]>,
1027 Imp<[STATUS],[]>, TB, OpSize;
1028 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, R32 = R32
1029 (ops R32:$dst, R32:$src1, R32:$src2),
1030 "cmovns {$src2, $dst|$dst, $src2}",
1031 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
1032 X86_COND_NS, STATUS))]>,
1033 Imp<[STATUS],[]>, TB;
1034 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, R32 = [mem32]
1035 (ops R32:$dst, R32:$src1, i32mem:$src2),
1036 "cmovns {$src2, $dst|$dst, $src2}",
1037 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
1038 X86_COND_NS, STATUS))]>,
1039 Imp<[STATUS],[]>, TB;
1041 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, R16 = R16
1042 (ops R16:$dst, R16:$src1, R16:$src2),
1043 "cmovp {$src2, $dst|$dst, $src2}",
1044 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
1045 X86_COND_P, STATUS))]>,
1046 Imp<[STATUS],[]>, TB, OpSize;
1047 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, R16 = [mem16]
1048 (ops R16:$dst, R16:$src1, i16mem:$src2),
1049 "cmovp {$src2, $dst|$dst, $src2}",
1050 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
1051 X86_COND_P, STATUS))]>,
1052 Imp<[STATUS],[]>, TB, OpSize;
1053 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, R32 = R32
1054 (ops R32:$dst, R32:$src1, R32:$src2),
1055 "cmovp {$src2, $dst|$dst, $src2}",
1056 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
1057 X86_COND_P, STATUS))]>,
1058 Imp<[STATUS],[]>, TB;
1059 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, R32 = [mem32]
1060 (ops R32:$dst, R32:$src1, i32mem:$src2),
1061 "cmovp {$src2, $dst|$dst, $src2}",
1062 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
1063 X86_COND_P, STATUS))]>,
1064 Imp<[STATUS],[]>, TB;
1066 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, R16 = R16
1067 (ops R16:$dst, R16:$src1, R16:$src2),
1068 "cmovnp {$src2, $dst|$dst, $src2}",
1069 [(set R16:$dst, (X86cmov R16:$src1, R16:$src2,
1070 X86_COND_NP, STATUS))]>,
1071 Imp<[STATUS],[]>, TB, OpSize;
1072 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, R16 = [mem16]
1073 (ops R16:$dst, R16:$src1, i16mem:$src2),
1074 "cmovnp {$src2, $dst|$dst, $src2}",
1075 [(set R16:$dst, (X86cmov R16:$src1, (loadi16 addr:$src2),
1076 X86_COND_NP, STATUS))]>,
1077 Imp<[STATUS],[]>, TB, OpSize;
1078 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, R32 = R32
1079 (ops R32:$dst, R32:$src1, R32:$src2),
1080 "cmovnp {$src2, $dst|$dst, $src2}",
1081 [(set R32:$dst, (X86cmov R32:$src1, R32:$src2,
1082 X86_COND_NP, STATUS))]>,
1083 Imp<[STATUS],[]>, TB;
1084 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, R32 = [mem32]
1085 (ops R32:$dst, R32:$src1, i32mem:$src2),
1086 "cmovnp {$src2, $dst|$dst, $src2}",
1087 [(set R32:$dst, (X86cmov R32:$src1, (loadi32 addr:$src2),
1088 X86_COND_NP, STATUS))]>,
1089 Imp<[STATUS],[]>, TB;
1092 // unary instructions
1093 def NEG8r : I<0xF6, MRM3r, (ops R8 :$dst, R8 :$src), "neg{b} $dst",
1094 [(set R8:$dst, (ineg R8:$src))]>;
1095 def NEG16r : I<0xF7, MRM3r, (ops R16:$dst, R16:$src), "neg{w} $dst",
1096 [(set R16:$dst, (ineg R16:$src))]>, OpSize;
1097 def NEG32r : I<0xF7, MRM3r, (ops R32:$dst, R32:$src), "neg{l} $dst",
1098 [(set R32:$dst, (ineg R32:$src))]>;
1099 let isTwoAddress = 0 in {
1100 def NEG8m : I<0xF6, MRM3m, (ops i8mem :$dst), "neg{b} $dst",
1101 [(store (ineg (loadi8 addr:$dst)), addr:$dst)]>;
1102 def NEG16m : I<0xF7, MRM3m, (ops i16mem:$dst), "neg{w} $dst",
1103 [(store (ineg (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1104 def NEG32m : I<0xF7, MRM3m, (ops i32mem:$dst), "neg{l} $dst",
1105 [(store (ineg (loadi32 addr:$dst)), addr:$dst)]>;
1109 def NOT8r : I<0xF6, MRM2r, (ops R8 :$dst, R8 :$src), "not{b} $dst",
1110 [(set R8:$dst, (not R8:$src))]>;
1111 def NOT16r : I<0xF7, MRM2r, (ops R16:$dst, R16:$src), "not{w} $dst",
1112 [(set R16:$dst, (not R16:$src))]>, OpSize;
1113 def NOT32r : I<0xF7, MRM2r, (ops R32:$dst, R32:$src), "not{l} $dst",
1114 [(set R32:$dst, (not R32:$src))]>;
1115 let isTwoAddress = 0 in {
1116 def NOT8m : I<0xF6, MRM2m, (ops i8mem :$dst), "not{b} $dst",
1117 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
1118 def NOT16m : I<0xF7, MRM2m, (ops i16mem:$dst), "not{w} $dst",
1119 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
1120 def NOT32m : I<0xF7, MRM2m, (ops i32mem:$dst), "not{l} $dst",
1121 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
1124 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
1125 def INC8r : I<0xFE, MRM0r, (ops R8 :$dst, R8 :$src), "inc{b} $dst",
1126 [(set R8:$dst, (add R8:$src, 1))]>;
1127 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1128 def INC16r : I<0xFF, MRM0r, (ops R16:$dst, R16:$src), "inc{w} $dst",
1129 [(set R16:$dst, (add R16:$src, 1))]>, OpSize;
1130 def INC32r : I<0xFF, MRM0r, (ops R32:$dst, R32:$src), "inc{l} $dst",
1131 [(set R32:$dst, (add R32:$src, 1))]>;
1133 let isTwoAddress = 0 in {
1134 def INC8m : I<0xFE, MRM0m, (ops i8mem :$dst), "inc{b} $dst",
1135 [(store (add (loadi8 addr:$dst), 1), addr:$dst)]>;
1136 def INC16m : I<0xFF, MRM0m, (ops i16mem:$dst), "inc{w} $dst",
1137 [(store (add (loadi16 addr:$dst), 1), addr:$dst)]>, OpSize;
1138 def INC32m : I<0xFF, MRM0m, (ops i32mem:$dst), "inc{l} $dst",
1139 [(store (add (loadi32 addr:$dst), 1), addr:$dst)]>;
1142 def DEC8r : I<0xFE, MRM1r, (ops R8 :$dst, R8 :$src), "dec{b} $dst",
1143 [(set R8:$dst, (add R8:$src, -1))]>;
1144 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1145 def DEC16r : I<0xFF, MRM1r, (ops R16:$dst, R16:$src), "dec{w} $dst",
1146 [(set R16:$dst, (add R16:$src, -1))]>, OpSize;
1147 def DEC32r : I<0xFF, MRM1r, (ops R32:$dst, R32:$src), "dec{l} $dst",
1148 [(set R32:$dst, (add R32:$src, -1))]>;
1151 let isTwoAddress = 0 in {
1152 def DEC8m : I<0xFE, MRM1m, (ops i8mem :$dst), "dec{b} $dst",
1153 [(store (add (loadi8 addr:$dst), -1), addr:$dst)]>;
1154 def DEC16m : I<0xFF, MRM1m, (ops i16mem:$dst), "dec{w} $dst",
1155 [(store (add (loadi16 addr:$dst), -1), addr:$dst)]>, OpSize;
1156 def DEC32m : I<0xFF, MRM1m, (ops i32mem:$dst), "dec{l} $dst",
1157 [(store (add (loadi32 addr:$dst), -1), addr:$dst)]>;
1160 // Logical operators...
1161 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
1162 def AND8rr : I<0x20, MRMDestReg,
1163 (ops R8 :$dst, R8 :$src1, R8 :$src2),
1164 "and{b} {$src2, $dst|$dst, $src2}",
1165 [(set R8:$dst, (and R8:$src1, R8:$src2))]>;
1166 def AND16rr : I<0x21, MRMDestReg,
1167 (ops R16:$dst, R16:$src1, R16:$src2),
1168 "and{w} {$src2, $dst|$dst, $src2}",
1169 [(set R16:$dst, (and R16:$src1, R16:$src2))]>, OpSize;
1170 def AND32rr : I<0x21, MRMDestReg,
1171 (ops R32:$dst, R32:$src1, R32:$src2),
1172 "and{l} {$src2, $dst|$dst, $src2}",
1173 [(set R32:$dst, (and R32:$src1, R32:$src2))]>;
1176 def AND8rm : I<0x22, MRMSrcMem,
1177 (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1178 "and{b} {$src2, $dst|$dst, $src2}",
1179 [(set R8:$dst, (and R8:$src1, (load addr:$src2)))]>;
1180 def AND16rm : I<0x23, MRMSrcMem,
1181 (ops R16:$dst, R16:$src1, i16mem:$src2),
1182 "and{w} {$src2, $dst|$dst, $src2}",
1183 [(set R16:$dst, (and R16:$src1, (load addr:$src2)))]>, OpSize;
1184 def AND32rm : I<0x23, MRMSrcMem,
1185 (ops R32:$dst, R32:$src1, i32mem:$src2),
1186 "and{l} {$src2, $dst|$dst, $src2}",
1187 [(set R32:$dst, (and R32:$src1, (load addr:$src2)))]>;
1189 def AND8ri : Ii8<0x80, MRM4r,
1190 (ops R8 :$dst, R8 :$src1, i8imm :$src2),
1191 "and{b} {$src2, $dst|$dst, $src2}",
1192 [(set R8:$dst, (and R8:$src1, imm:$src2))]>;
1193 def AND16ri : Ii16<0x81, MRM4r,
1194 (ops R16:$dst, R16:$src1, i16imm:$src2),
1195 "and{w} {$src2, $dst|$dst, $src2}",
1196 [(set R16:$dst, (and R16:$src1, imm:$src2))]>, OpSize;
1197 def AND32ri : Ii32<0x81, MRM4r,
1198 (ops R32:$dst, R32:$src1, i32imm:$src2),
1199 "and{l} {$src2, $dst|$dst, $src2}",
1200 [(set R32:$dst, (and R32:$src1, imm:$src2))]>;
1201 def AND16ri8 : Ii8<0x83, MRM4r,
1202 (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1203 "and{w} {$src2, $dst|$dst, $src2}",
1204 [(set R16:$dst, (and R16:$src1, i16immSExt8:$src2))]>,
1206 def AND32ri8 : Ii8<0x83, MRM4r,
1207 (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1208 "and{l} {$src2, $dst|$dst, $src2}",
1209 [(set R32:$dst, (and R32:$src1, i32immSExt8:$src2))]>;
1211 let isTwoAddress = 0 in {
1212 def AND8mr : I<0x20, MRMDestMem,
1213 (ops i8mem :$dst, R8 :$src),
1214 "and{b} {$src, $dst|$dst, $src}",
1215 [(store (and (load addr:$dst), R8:$src), addr:$dst)]>;
1216 def AND16mr : I<0x21, MRMDestMem,
1217 (ops i16mem:$dst, R16:$src),
1218 "and{w} {$src, $dst|$dst, $src}",
1219 [(store (and (load addr:$dst), R16:$src), addr:$dst)]>,
1221 def AND32mr : I<0x21, MRMDestMem,
1222 (ops i32mem:$dst, R32:$src),
1223 "and{l} {$src, $dst|$dst, $src}",
1224 [(store (and (load addr:$dst), R32:$src), addr:$dst)]>;
1225 def AND8mi : Ii8<0x80, MRM4m,
1226 (ops i8mem :$dst, i8imm :$src),
1227 "and{b} {$src, $dst|$dst, $src}",
1228 [(store (and (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1229 def AND16mi : Ii16<0x81, MRM4m,
1230 (ops i16mem:$dst, i16imm:$src),
1231 "and{w} {$src, $dst|$dst, $src}",
1232 [(store (and (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1234 def AND32mi : Ii32<0x81, MRM4m,
1235 (ops i32mem:$dst, i32imm:$src),
1236 "and{l} {$src, $dst|$dst, $src}",
1237 [(store (and (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1238 def AND16mi8 : Ii8<0x83, MRM4m,
1239 (ops i16mem:$dst, i16i8imm :$src),
1240 "and{w} {$src, $dst|$dst, $src}",
1241 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1243 def AND32mi8 : Ii8<0x83, MRM4m,
1244 (ops i32mem:$dst, i32i8imm :$src),
1245 "and{l} {$src, $dst|$dst, $src}",
1246 [(store (add (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1250 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
1251 def OR8rr : I<0x08, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
1252 "or{b} {$src2, $dst|$dst, $src2}",
1253 [(set R8:$dst, (or R8:$src1, R8:$src2))]>;
1254 def OR16rr : I<0x09, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1255 "or{w} {$src2, $dst|$dst, $src2}",
1256 [(set R16:$dst, (or R16:$src1, R16:$src2))]>, OpSize;
1257 def OR32rr : I<0x09, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1258 "or{l} {$src2, $dst|$dst, $src2}",
1259 [(set R32:$dst, (or R32:$src1, R32:$src2))]>;
1261 def OR8rm : I<0x0A, MRMSrcMem , (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1262 "or{b} {$src2, $dst|$dst, $src2}",
1263 [(set R8:$dst, (or R8:$src1, (load addr:$src2)))]>;
1264 def OR16rm : I<0x0B, MRMSrcMem , (ops R16:$dst, R16:$src1, i16mem:$src2),
1265 "or{w} {$src2, $dst|$dst, $src2}",
1266 [(set R16:$dst, (or R16:$src1, (load addr:$src2)))]>, OpSize;
1267 def OR32rm : I<0x0B, MRMSrcMem , (ops R32:$dst, R32:$src1, i32mem:$src2),
1268 "or{l} {$src2, $dst|$dst, $src2}",
1269 [(set R32:$dst, (or R32:$src1, (load addr:$src2)))]>;
1271 def OR8ri : Ii8 <0x80, MRM1r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1272 "or{b} {$src2, $dst|$dst, $src2}",
1273 [(set R8:$dst, (or R8:$src1, imm:$src2))]>;
1274 def OR16ri : Ii16<0x81, MRM1r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1275 "or{w} {$src2, $dst|$dst, $src2}",
1276 [(set R16:$dst, (or R16:$src1, imm:$src2))]>, OpSize;
1277 def OR32ri : Ii32<0x81, MRM1r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1278 "or{l} {$src2, $dst|$dst, $src2}",
1279 [(set R32:$dst, (or R32:$src1, imm:$src2))]>;
1281 def OR16ri8 : Ii8<0x83, MRM1r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1282 "or{w} {$src2, $dst|$dst, $src2}",
1283 [(set R16:$dst, (or R16:$src1, i16immSExt8:$src2))]>, OpSize;
1284 def OR32ri8 : Ii8<0x83, MRM1r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1285 "or{l} {$src2, $dst|$dst, $src2}",
1286 [(set R32:$dst, (or R32:$src1, i32immSExt8:$src2))]>;
1287 let isTwoAddress = 0 in {
1288 def OR8mr : I<0x08, MRMDestMem, (ops i8mem:$dst, R8:$src),
1289 "or{b} {$src, $dst|$dst, $src}",
1290 [(store (or (load addr:$dst), R8:$src), addr:$dst)]>;
1291 def OR16mr : I<0x09, MRMDestMem, (ops i16mem:$dst, R16:$src),
1292 "or{w} {$src, $dst|$dst, $src}",
1293 [(store (or (load addr:$dst), R16:$src), addr:$dst)]>, OpSize;
1294 def OR32mr : I<0x09, MRMDestMem, (ops i32mem:$dst, R32:$src),
1295 "or{l} {$src, $dst|$dst, $src}",
1296 [(store (or (load addr:$dst), R32:$src), addr:$dst)]>;
1297 def OR8mi : Ii8<0x80, MRM1m, (ops i8mem :$dst, i8imm:$src),
1298 "or{b} {$src, $dst|$dst, $src}",
1299 [(store (or (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1300 def OR16mi : Ii16<0x81, MRM1m, (ops i16mem:$dst, i16imm:$src),
1301 "or{w} {$src, $dst|$dst, $src}",
1302 [(store (or (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1304 def OR32mi : Ii32<0x81, MRM1m, (ops i32mem:$dst, i32imm:$src),
1305 "or{l} {$src, $dst|$dst, $src}",
1306 [(store (or (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1307 def OR16mi8 : Ii8<0x83, MRM1m, (ops i16mem:$dst, i16i8imm:$src),
1308 "or{w} {$src, $dst|$dst, $src}",
1309 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1311 def OR32mi8 : Ii8<0x83, MRM1m, (ops i32mem:$dst, i32i8imm:$src),
1312 "or{l} {$src, $dst|$dst, $src}",
1313 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1317 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
1318 def XOR8rr : I<0x30, MRMDestReg,
1319 (ops R8 :$dst, R8 :$src1, R8 :$src2),
1320 "xor{b} {$src2, $dst|$dst, $src2}",
1321 [(set R8:$dst, (xor R8:$src1, R8:$src2))]>;
1322 def XOR16rr : I<0x31, MRMDestReg,
1323 (ops R16:$dst, R16:$src1, R16:$src2),
1324 "xor{w} {$src2, $dst|$dst, $src2}",
1325 [(set R16:$dst, (xor R16:$src1, R16:$src2))]>, OpSize;
1326 def XOR32rr : I<0x31, MRMDestReg,
1327 (ops R32:$dst, R32:$src1, R32:$src2),
1328 "xor{l} {$src2, $dst|$dst, $src2}",
1329 [(set R32:$dst, (xor R32:$src1, R32:$src2))]>;
1332 def XOR8rm : I<0x32, MRMSrcMem ,
1333 (ops R8 :$dst, R8:$src1, i8mem :$src2),
1334 "xor{b} {$src2, $dst|$dst, $src2}",
1335 [(set R8:$dst, (xor R8:$src1, (load addr:$src2)))]>;
1336 def XOR16rm : I<0x33, MRMSrcMem ,
1337 (ops R16:$dst, R16:$src1, i16mem:$src2),
1338 "xor{w} {$src2, $dst|$dst, $src2}",
1339 [(set R16:$dst, (xor R16:$src1, (load addr:$src2)))]>, OpSize;
1340 def XOR32rm : I<0x33, MRMSrcMem ,
1341 (ops R32:$dst, R32:$src1, i32mem:$src2),
1342 "xor{l} {$src2, $dst|$dst, $src2}",
1343 [(set R32:$dst, (xor R32:$src1, (load addr:$src2)))]>;
1345 def XOR8ri : Ii8<0x80, MRM6r,
1346 (ops R8:$dst, R8:$src1, i8imm:$src2),
1347 "xor{b} {$src2, $dst|$dst, $src2}",
1348 [(set R8:$dst, (xor R8:$src1, imm:$src2))]>;
1349 def XOR16ri : Ii16<0x81, MRM6r,
1350 (ops R16:$dst, R16:$src1, i16imm:$src2),
1351 "xor{w} {$src2, $dst|$dst, $src2}",
1352 [(set R16:$dst, (xor R16:$src1, imm:$src2))]>, OpSize;
1353 def XOR32ri : Ii32<0x81, MRM6r,
1354 (ops R32:$dst, R32:$src1, i32imm:$src2),
1355 "xor{l} {$src2, $dst|$dst, $src2}",
1356 [(set R32:$dst, (xor R32:$src1, imm:$src2))]>;
1357 def XOR16ri8 : Ii8<0x83, MRM6r,
1358 (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1359 "xor{w} {$src2, $dst|$dst, $src2}",
1360 [(set R16:$dst, (xor R16:$src1, i16immSExt8:$src2))]>,
1362 def XOR32ri8 : Ii8<0x83, MRM6r,
1363 (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1364 "xor{l} {$src2, $dst|$dst, $src2}",
1365 [(set R32:$dst, (xor R32:$src1, i32immSExt8:$src2))]>;
1366 let isTwoAddress = 0 in {
1367 def XOR8mr : I<0x30, MRMDestMem,
1368 (ops i8mem :$dst, R8 :$src),
1369 "xor{b} {$src, $dst|$dst, $src}",
1370 [(store (xor (load addr:$dst), R8:$src), addr:$dst)]>;
1371 def XOR16mr : I<0x31, MRMDestMem,
1372 (ops i16mem:$dst, R16:$src),
1373 "xor{w} {$src, $dst|$dst, $src}",
1374 [(store (xor (load addr:$dst), R16:$src), addr:$dst)]>,
1376 def XOR32mr : I<0x31, MRMDestMem,
1377 (ops i32mem:$dst, R32:$src),
1378 "xor{l} {$src, $dst|$dst, $src}",
1379 [(store (xor (load addr:$dst), R32:$src), addr:$dst)]>;
1380 def XOR8mi : Ii8<0x80, MRM6m,
1381 (ops i8mem :$dst, i8imm :$src),
1382 "xor{b} {$src, $dst|$dst, $src}",
1383 [(store (xor (loadi8 addr:$dst), imm:$src), addr:$dst)]>;
1384 def XOR16mi : Ii16<0x81, MRM6m,
1385 (ops i16mem:$dst, i16imm:$src),
1386 "xor{w} {$src, $dst|$dst, $src}",
1387 [(store (xor (loadi16 addr:$dst), imm:$src), addr:$dst)]>,
1389 def XOR32mi : Ii32<0x81, MRM6m,
1390 (ops i32mem:$dst, i32imm:$src),
1391 "xor{l} {$src, $dst|$dst, $src}",
1392 [(store (xor (loadi32 addr:$dst), imm:$src), addr:$dst)]>;
1393 def XOR16mi8 : Ii8<0x83, MRM6m,
1394 (ops i16mem:$dst, i16i8imm :$src),
1395 "xor{w} {$src, $dst|$dst, $src}",
1396 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
1398 def XOR32mi8 : Ii8<0x83, MRM6m,
1399 (ops i32mem:$dst, i32i8imm :$src),
1400 "xor{l} {$src, $dst|$dst, $src}",
1401 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
1404 // Shift instructions
1405 def SHL8rCL : I<0xD2, MRM4r, (ops R8 :$dst, R8 :$src),
1406 "shl{b} {%cl, $dst|$dst, %CL}",
1407 [(set R8:$dst, (shl R8:$src, CL))]>, Imp<[CL],[]>;
1408 def SHL16rCL : I<0xD3, MRM4r, (ops R16:$dst, R16:$src),
1409 "shl{w} {%cl, $dst|$dst, %CL}",
1410 [(set R16:$dst, (shl R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1411 def SHL32rCL : I<0xD3, MRM4r, (ops R32:$dst, R32:$src),
1412 "shl{l} {%cl, $dst|$dst, %CL}",
1413 [(set R32:$dst, (shl R32:$src, CL))]>, Imp<[CL],[]>;
1415 def SHL8ri : Ii8<0xC0, MRM4r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1416 "shl{b} {$src2, $dst|$dst, $src2}",
1417 [(set R8:$dst, (shl R8:$src1, (i8 imm:$src2)))]>;
1418 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1419 def SHL16ri : Ii8<0xC1, MRM4r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1420 "shl{w} {$src2, $dst|$dst, $src2}",
1421 [(set R16:$dst, (shl R16:$src1, (i8 imm:$src2)))]>, OpSize;
1422 def SHL32ri : Ii8<0xC1, MRM4r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1423 "shl{l} {$src2, $dst|$dst, $src2}",
1424 [(set R32:$dst, (shl R32:$src1, (i8 imm:$src2)))]>;
1427 let isTwoAddress = 0 in {
1428 def SHL8mCL : I<0xD2, MRM4m, (ops i8mem :$dst),
1429 "shl{b} {%cl, $dst|$dst, %CL}",
1430 [(store (shl (loadi8 addr:$dst), CL), addr:$dst)]>,
1432 def SHL16mCL : I<0xD3, MRM4m, (ops i16mem:$dst),
1433 "shl{w} {%cl, $dst|$dst, %CL}",
1434 [(store (shl (loadi16 addr:$dst), CL), addr:$dst)]>,
1435 Imp<[CL],[]>, OpSize;
1436 def SHL32mCL : I<0xD3, MRM4m, (ops i32mem:$dst),
1437 "shl{l} {%cl, $dst|$dst, %CL}",
1438 [(store (shl (loadi32 addr:$dst), CL), addr:$dst)]>,
1440 def SHL8mi : Ii8<0xC0, MRM4m, (ops i8mem :$dst, i8imm:$src),
1441 "shl{b} {$src, $dst|$dst, $src}",
1442 [(store (shl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1443 def SHL16mi : Ii8<0xC1, MRM4m, (ops i16mem:$dst, i8imm:$src),
1444 "shl{w} {$src, $dst|$dst, $src}",
1445 [(store (shl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1447 def SHL32mi : Ii8<0xC1, MRM4m, (ops i32mem:$dst, i8imm:$src),
1448 "shl{l} {$src, $dst|$dst, $src}",
1449 [(store (shl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1452 def SHR8rCL : I<0xD2, MRM5r, (ops R8 :$dst, R8 :$src),
1453 "shr{b} {%cl, $dst|$dst, %CL}",
1454 [(set R8:$dst, (srl R8:$src, CL))]>, Imp<[CL],[]>;
1455 def SHR16rCL : I<0xD3, MRM5r, (ops R16:$dst, R16:$src),
1456 "shr{w} {%cl, $dst|$dst, %CL}",
1457 [(set R16:$dst, (srl R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1458 def SHR32rCL : I<0xD3, MRM5r, (ops R32:$dst, R32:$src),
1459 "shr{l} {%cl, $dst|$dst, %CL}",
1460 [(set R32:$dst, (srl R32:$src, CL))]>, Imp<[CL],[]>;
1462 def SHR8ri : Ii8<0xC0, MRM5r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1463 "shr{b} {$src2, $dst|$dst, $src2}",
1464 [(set R8:$dst, (srl R8:$src1, (i8 imm:$src2)))]>;
1465 def SHR16ri : Ii8<0xC1, MRM5r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1466 "shr{w} {$src2, $dst|$dst, $src2}",
1467 [(set R16:$dst, (srl R16:$src1, (i8 imm:$src2)))]>, OpSize;
1468 def SHR32ri : Ii8<0xC1, MRM5r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1469 "shr{l} {$src2, $dst|$dst, $src2}",
1470 [(set R32:$dst, (srl R32:$src1, (i8 imm:$src2)))]>;
1472 let isTwoAddress = 0 in {
1473 def SHR8mCL : I<0xD2, MRM5m, (ops i8mem :$dst),
1474 "shr{b} {%cl, $dst|$dst, %CL}",
1475 [(store (srl (loadi8 addr:$dst), CL), addr:$dst)]>,
1477 def SHR16mCL : I<0xD3, MRM5m, (ops i16mem:$dst),
1478 "shr{w} {%cl, $dst|$dst, %CL}",
1479 [(store (srl (loadi16 addr:$dst), CL), addr:$dst)]>,
1480 Imp<[CL],[]>, OpSize;
1481 def SHR32mCL : I<0xD3, MRM5m, (ops i32mem:$dst),
1482 "shr{l} {%cl, $dst|$dst, %CL}",
1483 [(store (srl (loadi32 addr:$dst), CL), addr:$dst)]>,
1485 def SHR8mi : Ii8<0xC0, MRM5m, (ops i8mem :$dst, i8imm:$src),
1486 "shr{b} {$src, $dst|$dst, $src}",
1487 [(store (srl (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1488 def SHR16mi : Ii8<0xC1, MRM5m, (ops i16mem:$dst, i8imm:$src),
1489 "shr{w} {$src, $dst|$dst, $src}",
1490 [(store (srl (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1492 def SHR32mi : Ii8<0xC1, MRM5m, (ops i32mem:$dst, i8imm:$src),
1493 "shr{l} {$src, $dst|$dst, $src}",
1494 [(store (srl (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1497 def SAR8rCL : I<0xD2, MRM7r, (ops R8 :$dst, R8 :$src),
1498 "sar{b} {%cl, $dst|$dst, %CL}",
1499 [(set R8:$dst, (sra R8:$src, CL))]>, Imp<[CL],[]>;
1500 def SAR16rCL : I<0xD3, MRM7r, (ops R16:$dst, R16:$src),
1501 "sar{w} {%cl, $dst|$dst, %CL}",
1502 [(set R16:$dst, (sra R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1503 def SAR32rCL : I<0xD3, MRM7r, (ops R32:$dst, R32:$src),
1504 "sar{l} {%cl, $dst|$dst, %CL}",
1505 [(set R32:$dst, (sra R32:$src, CL))]>, Imp<[CL],[]>;
1507 def SAR8ri : Ii8<0xC0, MRM7r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1508 "sar{b} {$src2, $dst|$dst, $src2}",
1509 [(set R8:$dst, (sra R8:$src1, (i8 imm:$src2)))]>;
1510 def SAR16ri : Ii8<0xC1, MRM7r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1511 "sar{w} {$src2, $dst|$dst, $src2}",
1512 [(set R16:$dst, (sra R16:$src1, (i8 imm:$src2)))]>,
1514 def SAR32ri : Ii8<0xC1, MRM7r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1515 "sar{l} {$src2, $dst|$dst, $src2}",
1516 [(set R32:$dst, (sra R32:$src1, (i8 imm:$src2)))]>;
1517 let isTwoAddress = 0 in {
1518 def SAR8mCL : I<0xD2, MRM7m, (ops i8mem :$dst),
1519 "sar{b} {%cl, $dst|$dst, %CL}",
1520 [(store (sra (loadi8 addr:$dst), CL), addr:$dst)]>,
1522 def SAR16mCL : I<0xD3, MRM7m, (ops i16mem:$dst),
1523 "sar{w} {%cl, $dst|$dst, %CL}",
1524 [(store (sra (loadi16 addr:$dst), CL), addr:$dst)]>,
1525 Imp<[CL],[]>, OpSize;
1526 def SAR32mCL : I<0xD3, MRM7m, (ops i32mem:$dst),
1527 "sar{l} {%cl, $dst|$dst, %CL}",
1528 [(store (sra (loadi32 addr:$dst), CL), addr:$dst)]>,
1530 def SAR8mi : Ii8<0xC0, MRM7m, (ops i8mem :$dst, i8imm:$src),
1531 "sar{b} {$src, $dst|$dst, $src}",
1532 [(store (sra (loadi8 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1533 def SAR16mi : Ii8<0xC1, MRM7m, (ops i16mem:$dst, i8imm:$src),
1534 "sar{w} {$src, $dst|$dst, $src}",
1535 [(store (sra (loadi16 addr:$dst), (i8 imm:$src)), addr:$dst)]>,
1537 def SAR32mi : Ii8<0xC1, MRM7m, (ops i32mem:$dst, i8imm:$src),
1538 "sar{l} {$src, $dst|$dst, $src}",
1539 [(store (sra (loadi32 addr:$dst), (i8 imm:$src)), addr:$dst)]>;
1542 // Rotate instructions
1543 // FIXME: provide shorter instructions when imm8 == 1
1544 def ROL8rCL : I<0xD2, MRM0r, (ops R8 :$dst, R8 :$src),
1545 "rol{b} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1546 def ROL16rCL : I<0xD3, MRM0r, (ops R16:$dst, R16:$src),
1547 "rol{w} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>, OpSize;
1548 def ROL32rCL : I<0xD3, MRM0r, (ops R32:$dst, R32:$src),
1549 "rol{l} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1551 def ROL8ri : Ii8<0xC0, MRM0r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1552 "rol{b} {$src2, $dst|$dst, $src2}", []>;
1553 def ROL16ri : Ii8<0xC1, MRM0r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1554 "rol{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
1555 def ROL32ri : Ii8<0xC1, MRM0r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1556 "rol{l} {$src2, $dst|$dst, $src2}", []>;
1558 let isTwoAddress = 0 in {
1559 def ROL8mCL : I<0xD2, MRM0m, (ops i8mem :$dst),
1560 "rol{b} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1561 def ROL16mCL : I<0xD3, MRM0m, (ops i16mem:$dst),
1562 "rol{w} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>, OpSize;
1563 def ROL32mCL : I<0xD3, MRM0m, (ops i32mem:$dst),
1564 "rol{l} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1565 def ROL8mi : Ii8<0xC0, MRM0m, (ops i8mem :$dst, i8imm:$src),
1566 "rol{b} {$src, $dst|$dst, $src}", []>;
1567 def ROL16mi : Ii8<0xC1, MRM0m, (ops i16mem:$dst, i8imm:$src),
1568 "rol{w} {$src, $dst|$dst, $src}", []>, OpSize;
1569 def ROL32mi : Ii8<0xC1, MRM0m, (ops i32mem:$dst, i8imm:$src),
1570 "rol{l} {$src, $dst|$dst, $src}", []>;
1573 def ROR8rCL : I<0xD2, MRM1r, (ops R8 :$dst, R8 :$src),
1574 "ror{b} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1575 def ROR16rCL : I<0xD3, MRM1r, (ops R16:$dst, R16:$src),
1576 "ror{w} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>, OpSize;
1577 def ROR32rCL : I<0xD3, MRM1r, (ops R32:$dst, R32:$src),
1578 "ror{l} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1580 def ROR8ri : Ii8<0xC0, MRM1r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1581 "ror{b} {$src2, $dst|$dst, $src2}", []>;
1582 def ROR16ri : Ii8<0xC1, MRM1r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1583 "ror{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
1584 def ROR32ri : Ii8<0xC1, MRM1r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1585 "ror{l} {$src2, $dst|$dst, $src2}", []>;
1586 let isTwoAddress = 0 in {
1587 def ROR8mCL : I<0xD2, MRM1m, (ops i8mem :$dst),
1588 "ror{b} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1589 def ROR16mCL : I<0xD3, MRM1m, (ops i16mem:$dst),
1590 "ror{w} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>, OpSize;
1591 def ROR32mCL : I<0xD3, MRM1m, (ops i32mem:$dst),
1592 "ror{l} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1593 def ROR8mi : Ii8<0xC0, MRM1m, (ops i8mem :$dst, i8imm:$src),
1594 "ror{b} {$src, $dst|$dst, $src}", []>;
1595 def ROR16mi : Ii8<0xC1, MRM1m, (ops i16mem:$dst, i8imm:$src),
1596 "ror{w} {$src, $dst|$dst, $src}", []>, OpSize;
1597 def ROR32mi : Ii8<0xC1, MRM1m, (ops i32mem:$dst, i8imm:$src),
1598 "ror{l} {$src, $dst|$dst, $src}", []>;
1603 // Double shift instructions (generalizations of rotate)
1605 def SHLD32rrCL : I<0xA5, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1606 "shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1607 [(set R32:$dst, (X86shld R32:$src1, R32:$src2, CL))]>,
1609 def SHRD32rrCL : I<0xAD, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1610 "shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1611 [(set R32:$dst, (X86shrd R32:$src1, R32:$src2, CL))]>,
1613 def SHLD16rrCL : I<0xA5, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1614 "shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1615 [(set R16:$dst, (X86shld R16:$src1, R16:$src2, CL))]>,
1616 Imp<[CL],[]>, TB, OpSize;
1617 def SHRD16rrCL : I<0xAD, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1618 "shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1619 [(set R16:$dst, (X86shrd R16:$src1, R16:$src2, CL))]>,
1620 Imp<[CL],[]>, TB, OpSize;
1622 let isCommutable = 1 in { // These instructions commute to each other.
1623 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
1624 (ops R32:$dst, R32:$src1, R32:$src2, i8imm:$src3),
1625 "shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1626 [(set R32:$dst, (X86shld R32:$src1, R32:$src2,
1629 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
1630 (ops R32:$dst, R32:$src1, R32:$src2, i8imm:$src3),
1631 "shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1632 [(set R32:$dst, (X86shrd R32:$src1, R32:$src2,
1635 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
1636 (ops R16:$dst, R16:$src1, R16:$src2, i8imm:$src3),
1637 "shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1638 [(set R16:$dst, (X86shld R16:$src1, R16:$src2,
1641 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
1642 (ops R16:$dst, R16:$src1, R16:$src2, i8imm:$src3),
1643 "shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1644 [(set R16:$dst, (X86shrd R16:$src1, R16:$src2,
1649 let isTwoAddress = 0 in {
1650 def SHLD32mrCL : I<0xA5, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1651 "shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1652 [(store (X86shld (loadi32 addr:$dst), R32:$src2, CL),
1655 def SHRD32mrCL : I<0xAD, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1656 "shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}",
1657 [(store (X86shrd (loadi32 addr:$dst), R32:$src2, CL),
1660 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
1661 (ops i32mem:$dst, R32:$src2, i8imm:$src3),
1662 "shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1663 [(store (X86shld (loadi32 addr:$dst), R32:$src2,
1664 (i8 imm:$src3)), addr:$dst)]>,
1666 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
1667 (ops i32mem:$dst, R32:$src2, i8imm:$src3),
1668 "shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}",
1669 [(store (X86shrd (loadi32 addr:$dst), R32:$src2,
1670 (i8 imm:$src3)), addr:$dst)]>,
1673 def SHLD16mrCL : I<0xA5, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1674 "shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1675 [(store (X86shld (loadi16 addr:$dst), R16:$src2, CL),
1677 Imp<[CL],[]>, TB, OpSize;
1678 def SHRD16mrCL : I<0xAD, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1679 "shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}",
1680 [(store (X86shrd (loadi16 addr:$dst), R16:$src2, CL),
1682 Imp<[CL],[]>, TB, OpSize;
1683 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
1684 (ops i16mem:$dst, R16:$src2, i8imm:$src3),
1685 "shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1686 [(store (X86shld (loadi16 addr:$dst), R16:$src2,
1687 (i8 imm:$src3)), addr:$dst)]>,
1689 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
1690 (ops i16mem:$dst, R16:$src2, i8imm:$src3),
1691 "shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}",
1692 [(store (X86shrd (loadi16 addr:$dst), R16:$src2,
1693 (i8 imm:$src3)), addr:$dst)]>,
1699 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
1700 def ADD8rr : I<0x00, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
1701 "add{b} {$src2, $dst|$dst, $src2}",
1702 [(set R8:$dst, (add R8:$src1, R8:$src2))]>;
1703 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1704 def ADD16rr : I<0x01, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1705 "add{w} {$src2, $dst|$dst, $src2}",
1706 [(set R16:$dst, (add R16:$src1, R16:$src2))]>, OpSize;
1707 def ADD32rr : I<0x01, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1708 "add{l} {$src2, $dst|$dst, $src2}",
1709 [(set R32:$dst, (add R32:$src1, R32:$src2))]>;
1710 } // end isConvertibleToThreeAddress
1711 } // end isCommutable
1712 def ADD8rm : I<0x02, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1713 "add{b} {$src2, $dst|$dst, $src2}",
1714 [(set R8:$dst, (add R8:$src1, (load addr:$src2)))]>;
1715 def ADD16rm : I<0x03, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
1716 "add{w} {$src2, $dst|$dst, $src2}",
1717 [(set R16:$dst, (add R16:$src1, (load addr:$src2)))]>, OpSize;
1718 def ADD32rm : I<0x03, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1719 "add{l} {$src2, $dst|$dst, $src2}",
1720 [(set R32:$dst, (add R32:$src1, (load addr:$src2)))]>;
1722 def ADD8ri : Ii8<0x80, MRM0r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1723 "add{b} {$src2, $dst|$dst, $src2}",
1724 [(set R8:$dst, (add R8:$src1, imm:$src2))]>;
1726 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1727 def ADD16ri : Ii16<0x81, MRM0r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1728 "add{w} {$src2, $dst|$dst, $src2}",
1729 [(set R16:$dst, (add R16:$src1, imm:$src2))]>, OpSize;
1730 def ADD32ri : Ii32<0x81, MRM0r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1731 "add{l} {$src2, $dst|$dst, $src2}",
1732 [(set R32:$dst, (add R32:$src1, imm:$src2))]>;
1735 // FIXME: move ADD16ri8 above ADD16ri to optimize for space.
1736 def ADD16ri8 : Ii8<0x83, MRM0r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1737 "add{w} {$src2, $dst|$dst, $src2}",
1738 [(set R16:$dst, (add R16:$src1, i16immSExt8:$src2))]>,
1740 def ADD32ri8 : Ii8<0x83, MRM0r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1741 "add{l} {$src2, $dst|$dst, $src2}",
1742 [(set R32:$dst, (add R32:$src1, i32immSExt8:$src2))]>;
1744 let isTwoAddress = 0 in {
1745 def ADD8mr : I<0x00, MRMDestMem, (ops i8mem :$dst, R8 :$src2),
1746 "add{b} {$src2, $dst|$dst, $src2}",
1747 [(store (add (load addr:$dst), R8:$src2), addr:$dst)]>;
1748 def ADD16mr : I<0x01, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1749 "add{w} {$src2, $dst|$dst, $src2}",
1750 [(store (add (load addr:$dst), R16:$src2), addr:$dst)]>,
1752 def ADD32mr : I<0x01, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1753 "add{l} {$src2, $dst|$dst, $src2}",
1754 [(store (add (load addr:$dst), R32:$src2), addr:$dst)]>;
1755 def ADD8mi : Ii8<0x80, MRM0m, (ops i8mem :$dst, i8imm :$src2),
1756 "add{b} {$src2, $dst|$dst, $src2}",
1757 [(store (add (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1758 def ADD16mi : Ii16<0x81, MRM0m, (ops i16mem:$dst, i16imm:$src2),
1759 "add{w} {$src2, $dst|$dst, $src2}",
1760 [(store (add (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
1762 def ADD32mi : Ii32<0x81, MRM0m, (ops i32mem:$dst, i32imm:$src2),
1763 "add{l} {$src2, $dst|$dst, $src2}",
1764 [(store (add (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1765 def ADD16mi8 : Ii8<0x83, MRM0m, (ops i16mem:$dst, i16i8imm :$src2),
1766 "add{w} {$src2, $dst|$dst, $src2}",
1767 [(store (add (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1769 def ADD32mi8 : Ii8<0x83, MRM0m, (ops i32mem:$dst, i32i8imm :$src2),
1770 "add{l} {$src2, $dst|$dst, $src2}",
1771 [(store (add (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1774 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
1775 def ADC32rr : I<0x11, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1776 "adc{l} {$src2, $dst|$dst, $src2}",
1777 [(set R32:$dst, (X86adc R32:$src1, R32:$src2))]>;
1779 def ADC32rm : I<0x13, MRMSrcMem , (ops R32:$dst, R32:$src1, i32mem:$src2),
1780 "adc{l} {$src2, $dst|$dst, $src2}",
1781 [(set R32:$dst, (X86adc R32:$src1, (load addr:$src2)))]>;
1782 def ADC32ri : Ii32<0x81, MRM2r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1783 "adc{l} {$src2, $dst|$dst, $src2}",
1784 [(set R32:$dst, (X86adc R32:$src1, imm:$src2))]>;
1785 def ADC32ri8 : Ii8<0x83, MRM2r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1786 "adc{l} {$src2, $dst|$dst, $src2}",
1787 [(set R32:$dst, (X86adc R32:$src1, i32immSExt8:$src2))]>;
1789 let isTwoAddress = 0 in {
1790 def ADC32mr : I<0x11, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1791 "adc{l} {$src2, $dst|$dst, $src2}",
1792 [(store (X86adc (load addr:$dst), R32:$src2), addr:$dst)]>;
1793 def ADC32mi : Ii32<0x81, MRM2m, (ops i32mem:$dst, i32imm:$src2),
1794 "adc{l} {$src2, $dst|$dst, $src2}",
1795 [(store (X86adc (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1796 def ADC32mi8 : Ii8<0x83, MRM2m, (ops i32mem:$dst, i32i8imm :$src2),
1797 "adc{l} {$src2, $dst|$dst, $src2}",
1798 [(store (X86adc (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1801 def SUB8rr : I<0x28, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
1802 "sub{b} {$src2, $dst|$dst, $src2}",
1803 [(set R8:$dst, (sub R8:$src1, R8:$src2))]>;
1804 def SUB16rr : I<0x29, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1805 "sub{w} {$src2, $dst|$dst, $src2}",
1806 [(set R16:$dst, (sub R16:$src1, R16:$src2))]>, OpSize;
1807 def SUB32rr : I<0x29, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1808 "sub{l} {$src2, $dst|$dst, $src2}",
1809 [(set R32:$dst, (sub R32:$src1, R32:$src2))]>;
1810 def SUB8rm : I<0x2A, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1811 "sub{b} {$src2, $dst|$dst, $src2}",
1812 [(set R8:$dst, (sub R8:$src1, (load addr:$src2)))]>;
1813 def SUB16rm : I<0x2B, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
1814 "sub{w} {$src2, $dst|$dst, $src2}",
1815 [(set R16:$dst, (sub R16:$src1, (load addr:$src2)))]>, OpSize;
1816 def SUB32rm : I<0x2B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1817 "sub{l} {$src2, $dst|$dst, $src2}",
1818 [(set R32:$dst, (sub R32:$src1, (load addr:$src2)))]>;
1820 def SUB8ri : Ii8 <0x80, MRM5r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1821 "sub{b} {$src2, $dst|$dst, $src2}",
1822 [(set R8:$dst, (sub R8:$src1, imm:$src2))]>;
1823 def SUB16ri : Ii16<0x81, MRM5r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1824 "sub{w} {$src2, $dst|$dst, $src2}",
1825 [(set R16:$dst, (sub R16:$src1, imm:$src2))]>, OpSize;
1826 def SUB32ri : Ii32<0x81, MRM5r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1827 "sub{l} {$src2, $dst|$dst, $src2}",
1828 [(set R32:$dst, (sub R32:$src1, imm:$src2))]>;
1829 def SUB16ri8 : Ii8<0x83, MRM5r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1830 "sub{w} {$src2, $dst|$dst, $src2}",
1831 [(set R16:$dst, (sub R16:$src1, i16immSExt8:$src2))]>,
1833 def SUB32ri8 : Ii8<0x83, MRM5r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1834 "sub{l} {$src2, $dst|$dst, $src2}",
1835 [(set R32:$dst, (sub R32:$src1, i32immSExt8:$src2))]>;
1836 let isTwoAddress = 0 in {
1837 def SUB8mr : I<0x28, MRMDestMem, (ops i8mem :$dst, R8 :$src2),
1838 "sub{b} {$src2, $dst|$dst, $src2}",
1839 [(store (sub (load addr:$dst), R8:$src2), addr:$dst)]>;
1840 def SUB16mr : I<0x29, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1841 "sub{w} {$src2, $dst|$dst, $src2}",
1842 [(store (sub (load addr:$dst), R16:$src2), addr:$dst)]>,
1844 def SUB32mr : I<0x29, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1845 "sub{l} {$src2, $dst|$dst, $src2}",
1846 [(store (sub (load addr:$dst), R32:$src2), addr:$dst)]>;
1847 def SUB8mi : Ii8<0x80, MRM5m, (ops i8mem :$dst, i8imm:$src2),
1848 "sub{b} {$src2, $dst|$dst, $src2}",
1849 [(store (sub (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1850 def SUB16mi : Ii16<0x81, MRM5m, (ops i16mem:$dst, i16imm:$src2),
1851 "sub{w} {$src2, $dst|$dst, $src2}",
1852 [(store (sub (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
1854 def SUB32mi : Ii32<0x81, MRM5m, (ops i32mem:$dst, i32imm:$src2),
1855 "sub{l} {$src2, $dst|$dst, $src2}",
1856 [(store (sub (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1857 def SUB16mi8 : Ii8<0x83, MRM5m, (ops i16mem:$dst, i16i8imm :$src2),
1858 "sub{w} {$src2, $dst|$dst, $src2}",
1859 [(store (sub (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1861 def SUB32mi8 : Ii8<0x83, MRM5m, (ops i32mem:$dst, i32i8imm :$src2),
1862 "sub{l} {$src2, $dst|$dst, $src2}",
1863 [(store (sub (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1866 def SBB32rr : I<0x19, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1867 "sbb{l} {$src2, $dst|$dst, $src2}",
1868 [(set R32:$dst, (X86sbb R32:$src1, R32:$src2))]>;
1870 let isTwoAddress = 0 in {
1871 def SBB32mr : I<0x19, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1872 "sbb{l} {$src2, $dst|$dst, $src2}",
1873 [(store (X86sbb (load addr:$dst), R32:$src2), addr:$dst)]>;
1874 def SBB8mi : Ii32<0x80, MRM3m, (ops i8mem:$dst, i8imm:$src2),
1875 "sbb{b} {$src2, $dst|$dst, $src2}",
1876 [(store (X86sbb (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
1877 def SBB16mi : Ii32<0x81, MRM3m, (ops i16mem:$dst, i16imm:$src2),
1878 "sbb{w} {$src2, $dst|$dst, $src2}",
1879 [(store (X86sbb (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
1881 def SBB32mi : Ii32<0x81, MRM3m, (ops i32mem:$dst, i32imm:$src2),
1882 "sbb{l} {$src2, $dst|$dst, $src2}",
1883 [(store (X86sbb (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
1884 def SBB16mi8 : Ii8<0x83, MRM3m, (ops i16mem:$dst, i16i8imm :$src2),
1885 "sbb{w} {$src2, $dst|$dst, $src2}",
1886 [(store (X86sbb (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1888 def SBB32mi8 : Ii8<0x83, MRM3m, (ops i32mem:$dst, i32i8imm :$src2),
1889 "sbb{l} {$src2, $dst|$dst, $src2}",
1890 [(store (X86sbb (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1892 def SBB8ri : Ii8<0x80, MRM3r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1893 "sbb{b} {$src2, $dst|$dst, $src2}",
1894 [(set R8:$dst, (X86sbb R8:$src1, imm:$src2))]>;
1895 def SBB16ri : Ii16<0x81, MRM3r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1896 "sbb{w} {$src2, $dst|$dst, $src2}",
1897 [(set R16:$dst, (X86sbb R16:$src1, imm:$src2))]>, OpSize;
1899 def SBB32rm : I<0x1B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1900 "sbb{l} {$src2, $dst|$dst, $src2}",
1901 [(set R32:$dst, (X86sbb R32:$src1, (load addr:$src2)))]>;
1902 def SBB32ri : Ii32<0x81, MRM3r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1903 "sbb{l} {$src2, $dst|$dst, $src2}",
1904 [(set R32:$dst, (X86sbb R32:$src1, imm:$src2))]>;
1906 def SBB16ri8 : Ii8<0x83, MRM3r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1907 "sbb{w} {$src2, $dst|$dst, $src2}",
1908 [(set R16:$dst, (X86sbb R16:$src1, i16immSExt8:$src2))]>,
1910 def SBB32ri8 : Ii8<0x83, MRM3r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1911 "sbb{l} {$src2, $dst|$dst, $src2}",
1912 [(set R32:$dst, (X86sbb R32:$src1, i32immSExt8:$src2))]>;
1914 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
1915 def IMUL16rr : I<0xAF, MRMSrcReg, (ops R16:$dst, R16:$src1, R16:$src2),
1916 "imul{w} {$src2, $dst|$dst, $src2}",
1917 [(set R16:$dst, (mul R16:$src1, R16:$src2))]>, TB, OpSize;
1918 def IMUL32rr : I<0xAF, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2),
1919 "imul{l} {$src2, $dst|$dst, $src2}",
1920 [(set R32:$dst, (mul R32:$src1, R32:$src2))]>, TB;
1922 def IMUL16rm : I<0xAF, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
1923 "imul{w} {$src2, $dst|$dst, $src2}",
1924 [(set R16:$dst, (mul R16:$src1, (load addr:$src2)))]>,
1926 def IMUL32rm : I<0xAF, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1927 "imul{l} {$src2, $dst|$dst, $src2}",
1928 [(set R32:$dst, (mul R32:$src1, (load addr:$src2)))]>, TB;
1930 } // end Two Address instructions
1932 // Suprisingly enough, these are not two address instructions!
1933 def IMUL16rri : Ii16<0x69, MRMSrcReg, // R16 = R16*I16
1934 (ops R16:$dst, R16:$src1, i16imm:$src2),
1935 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1936 [(set R16:$dst, (mul R16:$src1, imm:$src2))]>, OpSize;
1937 def IMUL32rri : Ii32<0x69, MRMSrcReg, // R32 = R32*I32
1938 (ops R32:$dst, R32:$src1, i32imm:$src2),
1939 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1940 [(set R32:$dst, (mul R32:$src1, imm:$src2))]>;
1941 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // R16 = R16*I8
1942 (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1943 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1944 [(set R16:$dst, (mul R16:$src1, i16immSExt8:$src2))]>,
1946 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // R32 = R32*I8
1947 (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1948 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1949 [(set R32:$dst, (mul R32:$src1, i32immSExt8:$src2))]>;
1951 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // R16 = [mem16]*I16
1952 (ops R16:$dst, i16mem:$src1, i16imm:$src2),
1953 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1954 [(set R16:$dst, (mul (load addr:$src1), imm:$src2))]>,
1956 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // R32 = [mem32]*I32
1957 (ops R32:$dst, i32mem:$src1, i32imm:$src2),
1958 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1959 [(set R32:$dst, (mul (load addr:$src1), imm:$src2))]>;
1960 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // R16 = [mem16]*I8
1961 (ops R16:$dst, i16mem:$src1, i16i8imm :$src2),
1962 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1963 [(set R16:$dst, (mul (load addr:$src1), i16immSExt8:$src2))]>,
1965 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // R32 = [mem32]*I8
1966 (ops R32:$dst, i32mem:$src1, i32i8imm: $src2),
1967 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1968 [(set R32:$dst, (mul (load addr:$src1), i32immSExt8:$src2))]>;
1970 //===----------------------------------------------------------------------===//
1971 // Test instructions are just like AND, except they don't generate a result.
1973 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
1974 def TEST8rr : I<0x84, MRMDestReg, (ops R8:$src1, R8:$src2),
1975 "test{b} {$src2, $src1|$src1, $src2}",
1976 [(set STATUS, (X86test R8:$src1, R8:$src2))]>,
1978 def TEST16rr : I<0x85, MRMDestReg, (ops R16:$src1, R16:$src2),
1979 "test{w} {$src2, $src1|$src1, $src2}",
1980 [(set STATUS, (X86test R16:$src1, R16:$src2))]>,
1981 Imp<[],[STATUS]>, OpSize;
1982 def TEST32rr : I<0x85, MRMDestReg, (ops R32:$src1, R32:$src2),
1983 "test{l} {$src2, $src1|$src1, $src2}",
1984 [(set STATUS, (X86test R32:$src1, R32:$src2))]>,
1987 def TEST8mr : I<0x84, MRMDestMem, (ops i8mem :$src1, R8 :$src2),
1988 "test{b} {$src2, $src1|$src1, $src2}",
1989 [(set STATUS, (X86test (loadi8 addr:$src1), R8:$src2))]>,
1991 def TEST16mr : I<0x85, MRMDestMem, (ops i16mem:$src1, R16:$src2),
1992 "test{w} {$src2, $src1|$src1, $src2}",
1993 [(set STATUS, (X86test (loadi16 addr:$src1), R16:$src2))]>,
1994 Imp<[],[STATUS]>, OpSize;
1995 def TEST32mr : I<0x85, MRMDestMem, (ops i32mem:$src1, R32:$src2),
1996 "test{l} {$src2, $src1|$src1, $src2}",
1997 [(set STATUS, (X86test (loadi32 addr:$src1), R32:$src2))]>,
1999 def TEST8rm : I<0x84, MRMSrcMem, (ops R8 :$src1, i8mem :$src2),
2000 "test{b} {$src2, $src1|$src1, $src2}",
2001 [(set STATUS, (X86test R8:$src1, (loadi8 addr:$src2)))]>,
2003 def TEST16rm : I<0x85, MRMSrcMem, (ops R16:$src1, i16mem:$src2),
2004 "test{w} {$src2, $src1|$src1, $src2}",
2005 [(set STATUS, (X86test R16:$src1, (loadi16 addr:$src2)))]>,
2006 Imp<[],[STATUS]>, OpSize;
2007 def TEST32rm : I<0x85, MRMSrcMem, (ops R32:$src1, i32mem:$src2),
2008 "test{l} {$src2, $src1|$src1, $src2}",
2009 [(set STATUS, (X86test R32:$src1, (loadi32 addr:$src2)))]>,
2012 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = R8 & imm8
2013 (ops R8:$src1, i8imm:$src2),
2014 "test{b} {$src2, $src1|$src1, $src2}",
2015 [(set STATUS, (X86test R8:$src1, imm:$src2))]>,
2017 def TEST16ri : Ii16<0xF7, MRM0r, // flags = R16 & imm16
2018 (ops R16:$src1, i16imm:$src2),
2019 "test{w} {$src2, $src1|$src1, $src2}",
2020 [(set STATUS, (X86test R16:$src1, imm:$src2))]>,
2021 Imp<[],[STATUS]>, OpSize;
2022 def TEST32ri : Ii32<0xF7, MRM0r, // flags = R32 & imm32
2023 (ops R32:$src1, i32imm:$src2),
2024 "test{l} {$src2, $src1|$src1, $src2}",
2025 [(set STATUS, (X86test R32:$src1, imm:$src2))]>,
2027 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
2028 (ops i8mem:$src1, i8imm:$src2),
2029 "test{b} {$src2, $src1|$src1, $src2}",
2030 [(set STATUS, (X86test (loadi8 addr:$src1), imm:$src2))]>,
2032 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
2033 (ops i16mem:$src1, i16imm:$src2),
2034 "test{w} {$src2, $src1|$src1, $src2}",
2035 [(set STATUS, (X86test (loadi16 addr:$src1), imm:$src2))]>,
2036 Imp<[],[STATUS]>, OpSize;
2037 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
2038 (ops i32mem:$src1, i32imm:$src2),
2039 "test{l} {$src2, $src1|$src1, $src2}",
2040 [(set STATUS, (X86test (loadi32 addr:$src1), imm:$src2))]>,
2044 // Condition code ops, incl. set if equal/not equal/...
2045 def SAHF : I<0x9E, RawFrm, (ops), "sahf", []>, Imp<[AH],[]>; // flags = AH
2046 def LAHF : I<0x9F, RawFrm, (ops), "lahf", []>, Imp<[],[AH]>; // AH = flags
2048 def SETEr : I<0x94, MRM0r,
2051 [(set R8:$dst, (X86setcc X86_COND_E, STATUS))]>,
2053 def SETEm : I<0x94, MRM0m,
2056 [(store (X86setcc X86_COND_E, STATUS), addr:$dst)]>,
2058 def SETNEr : I<0x95, MRM0r,
2061 [(set R8:$dst, (X86setcc X86_COND_NE, STATUS))]>,
2063 def SETNEm : I<0x95, MRM0m,
2066 [(store (X86setcc X86_COND_NE, STATUS), addr:$dst)]>,
2068 def SETLr : I<0x9C, MRM0r,
2071 [(set R8:$dst, (X86setcc X86_COND_L, STATUS))]>,
2072 TB; // R8 = < signed
2073 def SETLm : I<0x9C, MRM0m,
2076 [(store (X86setcc X86_COND_L, STATUS), addr:$dst)]>,
2077 TB; // [mem8] = < signed
2078 def SETGEr : I<0x9D, MRM0r,
2081 [(set R8:$dst, (X86setcc X86_COND_GE, STATUS))]>,
2082 TB; // R8 = >= signed
2083 def SETGEm : I<0x9D, MRM0m,
2086 [(store (X86setcc X86_COND_GE, STATUS), addr:$dst)]>,
2087 TB; // [mem8] = >= signed
2088 def SETLEr : I<0x9E, MRM0r,
2091 [(set R8:$dst, (X86setcc X86_COND_LE, STATUS))]>,
2092 TB; // R8 = <= signed
2093 def SETLEm : I<0x9E, MRM0m,
2096 [(store (X86setcc X86_COND_LE, STATUS), addr:$dst)]>,
2097 TB; // [mem8] = <= signed
2098 def SETGr : I<0x9F, MRM0r,
2101 [(set R8:$dst, (X86setcc X86_COND_G, STATUS))]>,
2102 TB; // R8 = > signed
2103 def SETGm : I<0x9F, MRM0m,
2106 [(store (X86setcc X86_COND_G, STATUS), addr:$dst)]>,
2107 TB; // [mem8] = > signed
2109 def SETBr : I<0x92, MRM0r,
2112 [(set R8:$dst, (X86setcc X86_COND_B, STATUS))]>,
2113 TB; // R8 = < unsign
2114 def SETBm : I<0x92, MRM0m,
2117 [(store (X86setcc X86_COND_B, STATUS), addr:$dst)]>,
2118 TB; // [mem8] = < unsign
2119 def SETAEr : I<0x93, MRM0r,
2122 [(set R8:$dst, (X86setcc X86_COND_AE, STATUS))]>,
2123 TB; // R8 = >= unsign
2124 def SETAEm : I<0x93, MRM0m,
2127 [(store (X86setcc X86_COND_AE, STATUS), addr:$dst)]>,
2128 TB; // [mem8] = >= unsign
2129 def SETBEr : I<0x96, MRM0r,
2132 [(set R8:$dst, (X86setcc X86_COND_BE, STATUS))]>,
2133 TB; // R8 = <= unsign
2134 def SETBEm : I<0x96, MRM0m,
2137 [(store (X86setcc X86_COND_BE, STATUS), addr:$dst)]>,
2138 TB; // [mem8] = <= unsign
2139 def SETAr : I<0x97, MRM0r,
2142 [(set R8:$dst, (X86setcc X86_COND_A, STATUS))]>,
2143 TB; // R8 = > signed
2144 def SETAm : I<0x97, MRM0m,
2147 [(store (X86setcc X86_COND_A, STATUS), addr:$dst)]>,
2148 TB; // [mem8] = > signed
2150 def SETSr : I<0x98, MRM0r,
2153 [(set R8:$dst, (X86setcc X86_COND_S, STATUS))]>,
2154 TB; // R8 = <sign bit>
2155 def SETSm : I<0x98, MRM0m,
2158 [(store (X86setcc X86_COND_S, STATUS), addr:$dst)]>,
2159 TB; // [mem8] = <sign bit>
2160 def SETNSr : I<0x99, MRM0r,
2163 [(set R8:$dst, (X86setcc X86_COND_NS, STATUS))]>,
2164 TB; // R8 = !<sign bit>
2165 def SETNSm : I<0x99, MRM0m,
2168 [(store (X86setcc X86_COND_NS, STATUS), addr:$dst)]>,
2169 TB; // [mem8] = !<sign bit>
2170 def SETPr : I<0x9A, MRM0r,
2173 [(set R8:$dst, (X86setcc X86_COND_P, STATUS))]>,
2175 def SETPm : I<0x9A, MRM0m,
2178 [(store (X86setcc X86_COND_P, STATUS), addr:$dst)]>,
2179 TB; // [mem8] = parity
2180 def SETNPr : I<0x9B, MRM0r,
2183 [(set R8:$dst, (X86setcc X86_COND_NP, STATUS))]>,
2184 TB; // R8 = not parity
2185 def SETNPm : I<0x9B, MRM0m,
2188 [(store (X86setcc X86_COND_NP, STATUS), addr:$dst)]>,
2189 TB; // [mem8] = not parity
2191 // Integer comparisons
2192 def CMP8rr : I<0x38, MRMDestReg,
2193 (ops R8 :$src1, R8 :$src2),
2194 "cmp{b} {$src2, $src1|$src1, $src2}",
2195 [(set STATUS, (X86cmp R8:$src1, R8:$src2))]>,
2197 def CMP16rr : I<0x39, MRMDestReg,
2198 (ops R16:$src1, R16:$src2),
2199 "cmp{w} {$src2, $src1|$src1, $src2}",
2200 [(set STATUS, (X86cmp R16:$src1, R16:$src2))]>,
2201 Imp<[],[STATUS]>, OpSize;
2202 def CMP32rr : I<0x39, MRMDestReg,
2203 (ops R32:$src1, R32:$src2),
2204 "cmp{l} {$src2, $src1|$src1, $src2}",
2205 [(set STATUS, (X86cmp R32:$src1, R32:$src2))]>,
2207 def CMP8mr : I<0x38, MRMDestMem,
2208 (ops i8mem :$src1, R8 :$src2),
2209 "cmp{b} {$src2, $src1|$src1, $src2}",
2210 [(set STATUS, (X86cmp (loadi8 addr:$src1), R8:$src2))]>,
2212 def CMP16mr : I<0x39, MRMDestMem,
2213 (ops i16mem:$src1, R16:$src2),
2214 "cmp{w} {$src2, $src1|$src1, $src2}",
2215 [(set STATUS, (X86cmp (loadi16 addr:$src1), R16:$src2))]>,
2216 Imp<[],[STATUS]>, OpSize;
2217 def CMP32mr : I<0x39, MRMDestMem,
2218 (ops i32mem:$src1, R32:$src2),
2219 "cmp{l} {$src2, $src1|$src1, $src2}",
2220 [(set STATUS, (X86cmp (loadi32 addr:$src1), R32:$src2))]>,
2222 def CMP8rm : I<0x3A, MRMSrcMem,
2223 (ops R8 :$src1, i8mem :$src2),
2224 "cmp{b} {$src2, $src1|$src1, $src2}",
2225 [(set STATUS, (X86cmp R8:$src1, (loadi8 addr:$src2)))]>,
2227 def CMP16rm : I<0x3B, MRMSrcMem,
2228 (ops R16:$src1, i16mem:$src2),
2229 "cmp{w} {$src2, $src1|$src1, $src2}",
2230 [(set STATUS, (X86cmp R16:$src1, (loadi16 addr:$src2)))]>,
2231 Imp<[],[STATUS]>, OpSize;
2232 def CMP32rm : I<0x3B, MRMSrcMem,
2233 (ops R32:$src1, i32mem:$src2),
2234 "cmp{l} {$src2, $src1|$src1, $src2}",
2235 [(set STATUS, (X86cmp R32:$src1, (loadi32 addr:$src2)))]>,
2237 def CMP8ri : Ii8<0x80, MRM7r,
2238 (ops R8:$src1, i8imm:$src2),
2239 "cmp{b} {$src2, $src1|$src1, $src2}",
2240 [(set STATUS, (X86cmp R8:$src1, imm:$src2))]>,
2242 def CMP16ri : Ii16<0x81, MRM7r,
2243 (ops R16:$src1, i16imm:$src2),
2244 "cmp{w} {$src2, $src1|$src1, $src2}",
2245 [(set STATUS, (X86cmp R16:$src1, imm:$src2))]>,
2246 Imp<[],[STATUS]>, OpSize;
2247 def CMP32ri : Ii32<0x81, MRM7r,
2248 (ops R32:$src1, i32imm:$src2),
2249 "cmp{l} {$src2, $src1|$src1, $src2}",
2250 [(set STATUS, (X86cmp R32:$src1, imm:$src2))]>,
2252 def CMP8mi : Ii8 <0x80, MRM7m,
2253 (ops i8mem :$src1, i8imm :$src2),
2254 "cmp{b} {$src2, $src1|$src1, $src2}",
2255 [(set STATUS, (X86cmp (loadi8 addr:$src1), imm:$src2))]>,
2257 def CMP16mi : Ii16<0x81, MRM7m,
2258 (ops i16mem:$src1, i16imm:$src2),
2259 "cmp{w} {$src2, $src1|$src1, $src2}",
2260 [(set STATUS, (X86cmp (loadi16 addr:$src1), imm:$src2))]>,
2261 Imp<[],[STATUS]>, OpSize;
2262 def CMP32mi : Ii32<0x81, MRM7m,
2263 (ops i32mem:$src1, i32imm:$src2),
2264 "cmp{l} {$src2, $src1|$src1, $src2}",
2265 [(set STATUS, (X86cmp (loadi32 addr:$src1), imm:$src2))]>,
2268 // Sign/Zero extenders
2269 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (ops R16:$dst, R8 :$src),
2270 "movs{bw|x} {$src, $dst|$dst, $src}",
2271 [(set R16:$dst, (sext R8:$src))]>, TB, OpSize;
2272 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (ops R16:$dst, i8mem :$src),
2273 "movs{bw|x} {$src, $dst|$dst, $src}",
2274 [(set R16:$dst, (sextloadi16i8 addr:$src))]>, TB, OpSize;
2275 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (ops R32:$dst, R8 :$src),
2276 "movs{bl|x} {$src, $dst|$dst, $src}",
2277 [(set R32:$dst, (sext R8:$src))]>, TB;
2278 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (ops R32:$dst, i8mem :$src),
2279 "movs{bl|x} {$src, $dst|$dst, $src}",
2280 [(set R32:$dst, (sextloadi32i8 addr:$src))]>, TB;
2281 def MOVSX32rr16: I<0xBF, MRMSrcReg, (ops R32:$dst, R16:$src),
2282 "movs{wl|x} {$src, $dst|$dst, $src}",
2283 [(set R32:$dst, (sext R16:$src))]>, TB;
2284 def MOVSX32rm16: I<0xBF, MRMSrcMem, (ops R32:$dst, i16mem:$src),
2285 "movs{wl|x} {$src, $dst|$dst, $src}",
2286 [(set R32:$dst, (sextloadi32i16 addr:$src))]>, TB;
2288 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (ops R16:$dst, R8 :$src),
2289 "movz{bw|x} {$src, $dst|$dst, $src}",
2290 [(set R16:$dst, (zext R8:$src))]>, TB, OpSize;
2291 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (ops R16:$dst, i8mem :$src),
2292 "movz{bw|x} {$src, $dst|$dst, $src}",
2293 [(set R16:$dst, (zextloadi16i8 addr:$src))]>, TB, OpSize;
2294 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (ops R32:$dst, R8 :$src),
2295 "movz{bl|x} {$src, $dst|$dst, $src}",
2296 [(set R32:$dst, (zext R8:$src))]>, TB;
2297 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (ops R32:$dst, i8mem :$src),
2298 "movz{bl|x} {$src, $dst|$dst, $src}",
2299 [(set R32:$dst, (zextloadi32i8 addr:$src))]>, TB;
2300 def MOVZX32rr16: I<0xB7, MRMSrcReg, (ops R32:$dst, R16:$src),
2301 "movz{wl|x} {$src, $dst|$dst, $src}",
2302 [(set R32:$dst, (zext R16:$src))]>, TB;
2303 def MOVZX32rm16: I<0xB7, MRMSrcMem, (ops R32:$dst, i16mem:$src),
2304 "movz{wl|x} {$src, $dst|$dst, $src}",
2305 [(set R32:$dst, (zextloadi32i16 addr:$src))]>, TB;
2307 //===----------------------------------------------------------------------===//
2308 // XMM Floating point support (requires SSE / SSE2)
2309 //===----------------------------------------------------------------------===//
2311 def MOVSSrr : I<0x10, MRMSrcReg, (ops FR32:$dst, FR32:$src),
2312 "movss {$src, $dst|$dst, $src}", []>,
2313 Requires<[HasSSE1]>, XS;
2314 def MOVSDrr : I<0x10, MRMSrcReg, (ops FR64:$dst, FR64:$src),
2315 "movsd {$src, $dst|$dst, $src}", []>,
2316 Requires<[HasSSE2]>, XD;
2318 def MOVSSrm : I<0x10, MRMSrcMem, (ops FR32:$dst, f32mem:$src),
2319 "movss {$src, $dst|$dst, $src}",
2320 [(set FR32:$dst, (loadf32 addr:$src))]>,
2321 Requires<[HasSSE1]>, XS;
2322 def MOVSSmr : I<0x11, MRMDestMem, (ops f32mem:$dst, FR32:$src),
2323 "movss {$src, $dst|$dst, $src}",
2324 [(store FR32:$src, addr:$dst)]>,
2325 Requires<[HasSSE1]>, XS;
2326 def MOVSDrm : I<0x10, MRMSrcMem, (ops FR64:$dst, f64mem:$src),
2327 "movsd {$src, $dst|$dst, $src}",
2328 [(set FR64:$dst, (loadf64 addr:$src))]>,
2329 Requires<[HasSSE2]>, XD;
2330 def MOVSDmr : I<0x11, MRMDestMem, (ops f64mem:$dst, FR64:$src),
2331 "movsd {$src, $dst|$dst, $src}",
2332 [(store FR64:$src, addr:$dst)]>,
2333 Requires<[HasSSE2]>, XD;
2335 def CVTTSD2SIrr: I<0x2C, MRMSrcReg, (ops R32:$dst, FR64:$src),
2336 "cvttsd2si {$src, $dst|$dst, $src}",
2337 [(set R32:$dst, (fp_to_sint FR64:$src))]>,
2338 Requires<[HasSSE2]>, XD;
2339 def CVTTSD2SIrm: I<0x2C, MRMSrcMem, (ops R32:$dst, f64mem:$src),
2340 "cvttsd2si {$src, $dst|$dst, $src}",
2341 [(set R32:$dst, (fp_to_sint (loadf64 addr:$src)))]>,
2342 Requires<[HasSSE2]>, XD;
2343 def CVTTSS2SIrr: I<0x2C, MRMSrcReg, (ops R32:$dst, FR32:$src),
2344 "cvttss2si {$src, $dst|$dst, $src}",
2345 [(set R32:$dst, (fp_to_sint FR32:$src))]>,
2346 Requires<[HasSSE1]>, XS;
2347 def CVTTSS2SIrm: I<0x2C, MRMSrcMem, (ops R32:$dst, f32mem:$src),
2348 "cvttss2si {$src, $dst|$dst, $src}",
2349 [(set R32:$dst, (fp_to_sint (loadf32 addr:$src)))]>,
2350 Requires<[HasSSE1]>, XS;
2351 def CVTSD2SSrr: I<0x5A, MRMSrcReg, (ops FR32:$dst, FR64:$src),
2352 "cvtsd2ss {$src, $dst|$dst, $src}",
2353 [(set FR32:$dst, (fround FR64:$src))]>,
2354 Requires<[HasSSE2]>, XS;
2355 def CVTSD2SSrm: I<0x5A, MRMSrcMem, (ops FR32:$dst, f64mem:$src),
2356 "cvtsd2ss {$src, $dst|$dst, $src}",
2357 [(set FR32:$dst, (fround (loadf64 addr:$src)))]>,
2358 Requires<[HasSSE2]>, XS;
2359 def CVTSS2SDrr: I<0x5A, MRMSrcReg, (ops FR64:$dst, FR32:$src),
2360 "cvtss2sd {$src, $dst|$dst, $src}",
2361 [(set FR64:$dst, (fextend FR32:$src))]>,
2362 Requires<[HasSSE2]>, XD;
2363 def CVTSS2SDrm: I<0x5A, MRMSrcMem, (ops FR64:$dst, f32mem:$src),
2364 "cvtss2sd {$src, $dst|$dst, $src}",
2365 [(set FR64:$dst, (fextend (loadf32 addr:$src)))]>,
2366 Requires<[HasSSE2]>, XD;
2367 def CVTSI2SSrr: I<0x2A, MRMSrcReg, (ops FR32:$dst, R32:$src),
2368 "cvtsi2ss {$src, $dst|$dst, $src}",
2369 [(set FR32:$dst, (sint_to_fp R32:$src))]>,
2370 Requires<[HasSSE2]>, XS;
2371 def CVTSI2SSrm: I<0x2A, MRMSrcMem, (ops FR32:$dst, i32mem:$src),
2372 "cvtsi2ss {$src, $dst|$dst, $src}",
2373 [(set FR32:$dst, (sint_to_fp (loadi32 addr:$src)))]>,
2374 Requires<[HasSSE2]>, XS;
2375 def CVTSI2SDrr: I<0x2A, MRMSrcReg, (ops FR64:$dst, R32:$src),
2376 "cvtsi2sd {$src, $dst|$dst, $src}",
2377 [(set FR64:$dst, (sint_to_fp R32:$src))]>,
2378 Requires<[HasSSE2]>, XD;
2379 def CVTSI2SDrm: I<0x2A, MRMSrcMem, (ops FR64:$dst, i32mem:$src),
2380 "cvtsi2sd {$src, $dst|$dst, $src}",
2381 [(set FR64:$dst, (sint_to_fp (loadi32 addr:$src)))]>,
2382 Requires<[HasSSE2]>, XD;
2384 def SQRTSSrm : I<0x51, MRMSrcMem, (ops FR32:$dst, f32mem:$src),
2385 "sqrtss {$src, $dst|$dst, $src}",
2386 [(set FR32:$dst, (fsqrt (loadf32 addr:$src)))]>,
2387 Requires<[HasSSE1]>, XS;
2388 def SQRTSSrr : I<0x51, MRMSrcReg, (ops FR32:$dst, FR32:$src),
2389 "sqrtss {$src, $dst|$dst, $src}",
2390 [(set FR32:$dst, (fsqrt FR32:$src))]>,
2391 Requires<[HasSSE1]>, XS;
2392 def SQRTSDrm : I<0x51, MRMSrcMem, (ops FR64:$dst, f64mem:$src),
2393 "sqrtsd {$src, $dst|$dst, $src}",
2394 [(set FR64:$dst, (fsqrt (loadf64 addr:$src)))]>,
2395 Requires<[HasSSE2]>, XD;
2396 def SQRTSDrr : I<0x51, MRMSrcReg, (ops FR64:$dst, FR64:$src),
2397 "sqrtsd {$src, $dst|$dst, $src}",
2398 [(set FR64:$dst, (fsqrt FR64:$src))]>,
2399 Requires<[HasSSE2]>, XD;
2401 def UCOMISDrr: I<0x2E, MRMSrcReg, (ops FR64:$src1, FR64:$src2),
2402 "ucomisd {$src2, $src1|$src1, $src2}",
2403 [(set STATUS, (X86cmp FR64:$src1, FR64:$src2))]>,
2404 Requires<[HasSSE2]>, TB, OpSize;
2405 def UCOMISDrm: I<0x2E, MRMSrcMem, (ops FR64:$src1, f64mem:$src2),
2406 "ucomisd {$src2, $src1|$src1, $src2}",
2407 [(set STATUS, (X86cmp FR64:$src1, (loadf64 addr:$src2)))]>,
2408 Imp<[],[STATUS]>, Requires<[HasSSE2]>, TB, OpSize;
2409 def UCOMISSrr: I<0x2E, MRMSrcReg, (ops FR32:$src1, FR32:$src2),
2410 "ucomiss {$src2, $src1|$src1, $src2}",
2411 [(set STATUS, (X86cmp FR32:$src1, FR32:$src2))]>,
2412 Imp<[],[STATUS]>, Requires<[HasSSE1]>, TB;
2413 def UCOMISSrm: I<0x2E, MRMSrcMem, (ops FR32:$src1, f32mem:$src2),
2414 "ucomiss {$src2, $src1|$src1, $src2}",
2415 [(set STATUS, (X86cmp FR32:$src1, (loadf32 addr:$src2)))]>,
2416 Imp<[],[STATUS]>, Requires<[HasSSE1]>, TB;
2418 // Pseudo-instructions that map fld0 to xorps/xorpd for sse.
2419 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
2420 def FLD0SS : I<0x57, MRMSrcReg, (ops FR32:$dst),
2421 "xorps $dst, $dst", [(set FR32:$dst, fp32imm0)]>,
2422 Requires<[HasSSE1]>, TB;
2423 def FLD0SD : I<0x57, MRMSrcReg, (ops FR64:$dst),
2424 "xorpd $dst, $dst", [(set FR64:$dst, fp64imm0)]>,
2425 Requires<[HasSSE2]>, TB, OpSize;
2427 let isTwoAddress = 1 in {
2428 // SSE Scalar Arithmetic
2429 let isCommutable = 1 in {
2430 def ADDSSrr : I<0x58, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2431 "addss {$src2, $dst|$dst, $src2}",
2432 [(set FR32:$dst, (fadd FR32:$src1, FR32:$src2))]>,
2433 Requires<[HasSSE1]>, XS;
2434 def ADDSDrr : I<0x58, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2435 "addsd {$src2, $dst|$dst, $src2}",
2436 [(set FR64:$dst, (fadd FR64:$src1, FR64:$src2))]>,
2437 Requires<[HasSSE2]>, XD;
2438 def MULSSrr : I<0x59, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2439 "mulss {$src2, $dst|$dst, $src2}",
2440 [(set FR32:$dst, (fmul FR32:$src1, FR32:$src2))]>,
2441 Requires<[HasSSE1]>, XS;
2442 def MULSDrr : I<0x59, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2443 "mulsd {$src2, $dst|$dst, $src2}",
2444 [(set FR64:$dst, (fmul FR64:$src1, FR64:$src2))]>,
2445 Requires<[HasSSE2]>, XD;
2448 def ADDSSrm : I<0x58, MRMSrcMem, (ops FR32:$dst, FR32:$src1, f32mem:$src2),
2449 "addss {$src2, $dst|$dst, $src2}",
2450 [(set FR32:$dst, (fadd FR32:$src1, (loadf32 addr:$src2)))]>,
2451 Requires<[HasSSE1]>, XS;
2452 def ADDSDrm : I<0x58, MRMSrcMem, (ops FR64:$dst, FR64:$src1, f64mem:$src2),
2453 "addsd {$src2, $dst|$dst, $src2}",
2454 [(set FR64:$dst, (fadd FR64:$src1, (loadf64 addr:$src2)))]>,
2455 Requires<[HasSSE2]>, XD;
2456 def MULSSrm : I<0x59, MRMSrcMem, (ops FR32:$dst, FR32:$src1, f32mem:$src2),
2457 "mulss {$src2, $dst|$dst, $src2}",
2458 [(set FR32:$dst, (fmul FR32:$src1, (loadf32 addr:$src2)))]>,
2459 Requires<[HasSSE1]>, XS;
2460 def MULSDrm : I<0x59, MRMSrcMem, (ops FR64:$dst, FR64:$src1, f64mem:$src2),
2461 "mulsd {$src2, $dst|$dst, $src2}",
2462 [(set FR64:$dst, (fmul FR64:$src1, (loadf64 addr:$src2)))]>,
2463 Requires<[HasSSE2]>, XD;
2465 def DIVSSrr : I<0x5E, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2466 "divss {$src2, $dst|$dst, $src2}",
2467 [(set FR32:$dst, (fdiv FR32:$src1, FR32:$src2))]>,
2468 Requires<[HasSSE1]>, XS;
2469 def DIVSSrm : I<0x5E, MRMSrcMem, (ops FR32:$dst, FR32:$src1, f32mem:$src2),
2470 "divss {$src2, $dst|$dst, $src2}",
2471 [(set FR32:$dst, (fdiv FR32:$src1, (loadf32 addr:$src2)))]>,
2472 Requires<[HasSSE1]>, XS;
2473 def DIVSDrr : I<0x5E, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2474 "divsd {$src2, $dst|$dst, $src2}",
2475 [(set FR64:$dst, (fdiv FR64:$src1, FR64:$src2))]>,
2476 Requires<[HasSSE2]>, XD;
2477 def DIVSDrm : I<0x5E, MRMSrcMem, (ops FR64:$dst, FR64:$src1, f64mem:$src2),
2478 "divsd {$src2, $dst|$dst, $src2}",
2479 [(set FR64:$dst, (fdiv FR64:$src1, (loadf64 addr:$src2)))]>,
2480 Requires<[HasSSE2]>, XD;
2482 def SUBSSrr : I<0x5C, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2483 "subss {$src2, $dst|$dst, $src2}",
2484 [(set FR32:$dst, (fsub FR32:$src1, FR32:$src2))]>,
2485 Requires<[HasSSE1]>, XS;
2486 def SUBSSrm : I<0x5C, MRMSrcMem, (ops FR32:$dst, FR32:$src1, f32mem:$src2),
2487 "subss {$src2, $dst|$dst, $src2}",
2488 [(set FR32:$dst, (fsub FR32:$src1, (loadf32 addr:$src2)))]>,
2489 Requires<[HasSSE1]>, XS;
2490 def SUBSDrr : I<0x5C, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2491 "subsd {$src2, $dst|$dst, $src2}",
2492 [(set FR64:$dst, (fsub FR64:$src1, FR64:$src2))]>,
2493 Requires<[HasSSE2]>, XD;
2494 def SUBSDrm : I<0x5C, MRMSrcMem, (ops FR64:$dst, FR64:$src1, f64mem:$src2),
2495 "subsd {$src2, $dst|$dst, $src2}",
2496 [(set FR64:$dst, (fsub FR64:$src1, (loadf64 addr:$src2)))]>,
2497 Requires<[HasSSE2]>, XD;
2500 let isCommutable = 1 in {
2501 def ANDPSrr : I<0x54, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2502 "andps {$src2, $dst|$dst, $src2}", []>,
2503 Requires<[HasSSE1]>, TB;
2504 def ANDPDrr : I<0x54, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2505 "andpd {$src2, $dst|$dst, $src2}", []>,
2506 Requires<[HasSSE2]>, TB, OpSize;
2507 def ORPSrr : I<0x56, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2508 "orps {$src2, $dst|$dst, $src2}", []>,
2509 Requires<[HasSSE1]>, TB;
2510 def ORPDrr : I<0x56, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2511 "orpd {$src2, $dst|$dst, $src2}", []>,
2512 Requires<[HasSSE2]>, TB, OpSize;
2513 def XORPSrr : I<0x57, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2514 "xorps {$src2, $dst|$dst, $src2}", []>,
2515 Requires<[HasSSE1]>, TB;
2516 def XORPDrr : I<0x57, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2517 "xorpd {$src2, $dst|$dst, $src2}", []>,
2518 Requires<[HasSSE2]>, TB, OpSize;
2520 def ANDNPSrr : I<0x55, MRMSrcReg, (ops FR32:$dst, FR32:$src1, FR32:$src2),
2521 "andnps {$src2, $dst|$dst, $src2}", []>,
2522 Requires<[HasSSE1]>, TB;
2523 def ANDNPDrr : I<0x55, MRMSrcReg, (ops FR64:$dst, FR64:$src1, FR64:$src2),
2524 "andnpd {$src2, $dst|$dst, $src2}", []>,
2525 Requires<[HasSSE2]>, TB, OpSize;
2527 def CMPSSrr : I<0xC2, MRMSrcReg,
2528 (ops FR32:$dst, FR32:$src1, FR32:$src, SSECC:$cc),
2529 "cmp${cc}ss {$src, $dst|$dst, $src}", []>,
2530 Requires<[HasSSE1]>, XS;
2531 def CMPSSrm : I<0xC2, MRMSrcMem,
2532 (ops FR32:$dst, FR32:$src1, f32mem:$src, SSECC:$cc),
2533 "cmp${cc}ss {$src, $dst|$dst, $src}", []>,
2534 Requires<[HasSSE1]>, XS;
2535 def CMPSDrr : I<0xC2, MRMSrcReg,
2536 (ops FR64:$dst, FR64:$src1, FR64:$src, SSECC:$cc),
2537 "cmp${cc}sd {$src, $dst|$dst, $src}", []>,
2538 Requires<[HasSSE1]>, XD;
2539 def CMPSDrm : I<0xC2, MRMSrcMem,
2540 (ops FR64:$dst, FR64:$src1, f64mem:$src, SSECC:$cc),
2541 "cmp${cc}sd {$src, $dst|$dst, $src}", []>,
2542 Requires<[HasSSE2]>, XD;
2545 //===----------------------------------------------------------------------===//
2546 // Floating Point Stack Support
2547 //===----------------------------------------------------------------------===//
2549 // Floating point support. All FP Stack operations are represented with two
2550 // instructions here. The first instruction, generated by the instruction
2551 // selector, uses "RFP" registers: a traditional register file to reference
2552 // floating point values. These instructions are all psuedo instructions and
2553 // use the "Fp" prefix. The second instruction is defined with FPI, which is
2554 // the actual instruction emitted by the assembler. The FP stackifier pass
2555 // converts one to the other after register allocation occurs.
2557 // Note that the FpI instruction should have instruction selection info (e.g.
2558 // a pattern) and the FPI instruction should have emission info (e.g. opcode
2559 // encoding and asm printing info).
2561 // FPI - Floating Point Instruction template.
2562 class FPI<bits<8> o, Format F, dag ops, string asm> : I<o, F, ops, asm, []> {}
2564 // FpI_ - Floating Point Psuedo Instruction template. Not Predicated.
2565 class FpI_<dag ops, FPFormat fp, list<dag> pattern>
2566 : X86Inst<0, Pseudo, NoImm, ops, ""> {
2567 let FPForm = fp; let FPFormBits = FPForm.Value;
2568 let Pattern = pattern;
2571 // Random Pseudo Instructions.
2572 def FpGETRESULT : FpI_<(ops RFP:$dst), SpecialFP,
2573 [(set RFP:$dst, X86fpget)]>; // FPR = ST(0)
2575 let noResults = 1 in
2576 def FpSETRESULT : FpI_<(ops RFP:$src), SpecialFP,
2577 [(X86fpset RFP:$src)]>, Imp<[], [ST0]>; // ST(0) = FPR
2579 // FpI - Floating Point Psuedo Instruction template. Predicated on FPStack.
2580 class FpI<dag ops, FPFormat fp, list<dag> pattern> :
2581 FpI_<ops, fp, pattern>, Requires<[FPStack]>;
2584 def FpMOV : FpI<(ops RFP:$dst, RFP:$src), SpecialFP, []>; // f1 = fmov f2
2587 // Add, Sub, Mul, Div.
2588 def FpADD : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), TwoArgFP,
2589 [(set RFP:$dst, (fadd RFP:$src1, RFP:$src2))]>;
2590 def FpSUB : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), TwoArgFP,
2591 [(set RFP:$dst, (fsub RFP:$src1, RFP:$src2))]>;
2592 def FpMUL : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), TwoArgFP,
2593 [(set RFP:$dst, (fmul RFP:$src1, RFP:$src2))]>;
2594 def FpDIV : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), TwoArgFP,
2595 [(set RFP:$dst, (fdiv RFP:$src1, RFP:$src2))]>;
2597 class FPST0rInst<bits<8> o, string asm>
2598 : FPI<o, AddRegFrm, (ops RST:$op), asm>, D8;
2599 class FPrST0Inst<bits<8> o, string asm>
2600 : FPI<o, AddRegFrm, (ops RST:$op), asm>, DC;
2601 class FPrST0PInst<bits<8> o, string asm>
2602 : FPI<o, AddRegFrm, (ops RST:$op), asm>, DE;
2604 // Binary Ops with a memory source.
2605 def FpADD32m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2606 [(set RFP:$dst, (fadd RFP:$src1,
2607 (extloadf64f32 addr:$src2)))]>;
2608 // ST(0) = ST(0) + [mem32]
2609 def FpADD64m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2610 [(set RFP:$dst, (fadd RFP:$src1, (loadf64 addr:$src2)))]>;
2611 // ST(0) = ST(0) + [mem64]
2612 def FpMUL32m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2613 [(set RFP:$dst, (fmul RFP:$src1,
2614 (extloadf64f32 addr:$src2)))]>;
2615 // ST(0) = ST(0) * [mem32]
2616 def FpMUL64m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2617 [(set RFP:$dst, (fmul RFP:$src1, (loadf64 addr:$src2)))]>;
2618 // ST(0) = ST(0) * [mem64]
2619 def FpSUB32m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2620 [(set RFP:$dst, (fsub RFP:$src1,
2621 (extloadf64f32 addr:$src2)))]>;
2622 // ST(0) = ST(0) - [mem32]
2623 def FpSUB64m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2624 [(set RFP:$dst, (fsub RFP:$src1, (loadf64 addr:$src2)))]>;
2625 // ST(0) = ST(0) - [mem64]
2626 def FpSUBR32m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2627 [(set RFP:$dst, (fsub (extloadf64f32 addr:$src2),
2629 // ST(0) = [mem32] - ST(0)
2630 def FpSUBR64m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2631 [(set RFP:$dst, (fsub (loadf64 addr:$src2), RFP:$src1))]>;
2632 // ST(0) = [mem64] - ST(0)
2633 def FpDIV32m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2634 [(set RFP:$dst, (fdiv RFP:$src1,
2635 (extloadf64f32 addr:$src2)))]>;
2636 // ST(0) = ST(0) / [mem32]
2637 def FpDIV64m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2638 [(set RFP:$dst, (fdiv RFP:$src1, (loadf64 addr:$src2)))]>;
2639 // ST(0) = ST(0) / [mem64]
2640 def FpDIVR32m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2641 [(set RFP:$dst, (fdiv (extloadf64f32 addr:$src2),
2643 // ST(0) = [mem32] / ST(0)
2644 def FpDIVR64m : FpI<(ops RFP:$dst, RFP:$src1, f32mem:$src2), OneArgFPRW,
2645 [(set RFP:$dst, (fdiv (loadf64 addr:$src2), RFP:$src1))]>;
2646 // ST(0) = [mem64] / ST(0)
2649 def FADD32m : FPI<0xD8, MRM0m, (ops f32mem:$src), "fadd{s} $src">;
2650 def FADD64m : FPI<0xDC, MRM0m, (ops f64mem:$src), "fadd{l} $src">;
2651 def FMUL32m : FPI<0xD8, MRM1m, (ops f32mem:$src), "fmul{s} $src">;
2652 def FMUL64m : FPI<0xDC, MRM1m, (ops f64mem:$src), "fmul{l} $src">;
2653 def FSUB32m : FPI<0xD8, MRM4m, (ops f32mem:$src), "fsub{s} $src">;
2654 def FSUB64m : FPI<0xDC, MRM4m, (ops f64mem:$src), "fsub{l} $src">;
2655 def FSUBR32m : FPI<0xD8, MRM5m, (ops f32mem:$src), "fsubr{s} $src">;
2656 def FSUBR64m : FPI<0xDC, MRM5m, (ops f64mem:$src), "fsubr{l} $src">;
2657 def FDIV32m : FPI<0xD8, MRM6m, (ops f32mem:$src), "fdiv{s} $src">;
2658 def FDIV64m : FPI<0xDC, MRM6m, (ops f64mem:$src), "fdiv{l} $src">;
2659 def FDIVR32m : FPI<0xD8, MRM7m, (ops f32mem:$src), "fdivr{s} $src">;
2660 def FDIVR64m : FPI<0xDC, MRM7m, (ops f64mem:$src), "fdivr{l} $src">;
2662 // FIXME: Implement these when we have a dag-dag isel!
2663 def FpIADD16m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2664 [(set RFP:$dst, (fadd RFP:$src1,
2665 (sint_to_fp (loadi16 addr:$src2))))]>;
2666 // ST(0) = ST(0) + [mem16int]
2667 def FpIADD32m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2668 [(set RFP:$dst, (fadd RFP:$src1,
2669 (sint_to_fp (loadi32 addr:$src2))))]>;
2670 // ST(0) = ST(0) + [mem32int]
2671 def FpIMUL16m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2672 [(set RFP:$dst, (fmul RFP:$src1,
2673 (sint_to_fp (loadi16 addr:$src2))))]>;
2674 // ST(0) = ST(0) * [mem16int]
2675 def FpIMUL32m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2676 [(set RFP:$dst, (fmul RFP:$src1,
2677 (sint_to_fp (loadi32 addr:$src2))))]>;
2678 // ST(0) = ST(0) * [mem32int]
2679 def FpISUB16m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2680 [(set RFP:$dst, (fsub RFP:$src1,
2681 (sint_to_fp (loadi16 addr:$src2))))]>;
2682 // ST(0) = ST(0) - [mem16int]
2683 def FpISUB32m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2684 [(set RFP:$dst, (fsub RFP:$src1,
2685 (sint_to_fp (loadi32 addr:$src2))))]>;
2686 // ST(0) = ST(0) - [mem32int]
2687 def FpISUBR16m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2688 [(set RFP:$dst, (fsub (sint_to_fp (loadi16 addr:$src2)),
2690 // ST(0) = [mem16int] - ST(0)
2691 def FpISUBR32m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2692 [(set RFP:$dst, (fsub (sint_to_fp (loadi32 addr:$src2)),
2694 // ST(0) = [mem32int] - ST(0)
2695 def FpIDIV16m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2696 [(set RFP:$dst, (fdiv RFP:$src1,
2697 (sint_to_fp (loadi16 addr:$src2))))]>;
2698 // ST(0) = ST(0) / [mem16int]
2699 def FpIDIV32m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2700 [(set RFP:$dst, (fdiv RFP:$src1,
2701 (sint_to_fp (loadi32 addr:$src2))))]>;
2702 // ST(0) = ST(0) / [mem32int]
2703 def FpIDIVR16m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2704 [(set RFP:$dst, (fdiv (sint_to_fp (loadi16 addr:$src2)),
2706 // ST(0) = [mem16int] / ST(0)
2707 def FpIDIVR32m : FpI<(ops RFP:$dst, RFP:$src1, i16mem:$src2), OneArgFPRW,
2708 [(set RFP:$dst, (fdiv (sint_to_fp (loadi32 addr:$src2)),
2710 // ST(0) = [mem32int] / ST(0)
2712 def FIADD16m : FPI<0xDE, MRM0m, (ops i16mem:$src), "fiadd{s} $src">;
2713 def FIADD32m : FPI<0xDA, MRM0m, (ops i32mem:$src), "fiadd{l} $src">;
2714 def FIMUL16m : FPI<0xDE, MRM1m, (ops i16mem:$src), "fimul{s} $src">;
2715 def FIMUL32m : FPI<0xDA, MRM1m, (ops i32mem:$src), "fimul{l} $src">;
2716 def FISUB16m : FPI<0xDE, MRM4m, (ops i16mem:$src), "fisub{s} $src">;
2717 def FISUB32m : FPI<0xDA, MRM4m, (ops i32mem:$src), "fisub{l} $src">;
2718 def FISUBR16m : FPI<0xDE, MRM5m, (ops i16mem:$src), "fisubr{s} $src">;
2719 def FISUBR32m : FPI<0xDA, MRM5m, (ops i32mem:$src), "fisubr{l} $src">;
2720 def FIDIV16m : FPI<0xDE, MRM6m, (ops i16mem:$src), "fidiv{s} $src">;
2721 def FIDIV32m : FPI<0xDA, MRM6m, (ops i32mem:$src), "fidiv{s} $src">;
2722 def FIDIVR16m : FPI<0xDE, MRM7m, (ops i16mem:$src), "fidivr{s} $src">;
2723 def FIDIVR32m : FPI<0xDA, MRM7m, (ops i32mem:$src), "fidivr{s} $src">;
2725 // NOTE: GAS and apparently all other AT&T style assemblers have a broken notion
2726 // of some of the 'reverse' forms of the fsub and fdiv instructions. As such,
2727 // we have to put some 'r's in and take them out of weird places.
2728 def FADDST0r : FPST0rInst <0xC0, "fadd $op">;
2729 def FADDrST0 : FPrST0Inst <0xC0, "fadd {%ST(0), $op|$op, %ST(0)}">;
2730 def FADDPrST0 : FPrST0PInst<0xC0, "faddp $op">;
2731 def FSUBRST0r : FPST0rInst <0xE8, "fsubr $op">;
2732 def FSUBrST0 : FPrST0Inst <0xE8, "fsub{r} {%ST(0), $op|$op, %ST(0)}">;
2733 def FSUBPrST0 : FPrST0PInst<0xE8, "fsub{r}p $op">;
2734 def FSUBST0r : FPST0rInst <0xE0, "fsub $op">;
2735 def FSUBRrST0 : FPrST0Inst <0xE0, "fsub{|r} {%ST(0), $op|$op, %ST(0)}">;
2736 def FSUBRPrST0 : FPrST0PInst<0xE0, "fsub{|r}p $op">;
2737 def FMULST0r : FPST0rInst <0xC8, "fmul $op">;
2738 def FMULrST0 : FPrST0Inst <0xC8, "fmul {%ST(0), $op|$op, %ST(0)}">;
2739 def FMULPrST0 : FPrST0PInst<0xC8, "fmulp $op">;
2740 def FDIVRST0r : FPST0rInst <0xF8, "fdivr $op">;
2741 def FDIVrST0 : FPrST0Inst <0xF8, "fdiv{r} {%ST(0), $op|$op, %ST(0)}">;
2742 def FDIVPrST0 : FPrST0PInst<0xF8, "fdiv{r}p $op">;
2743 def FDIVST0r : FPST0rInst <0xF0, "fdiv $op">;
2744 def FDIVRrST0 : FPrST0Inst <0xF0, "fdiv{|r} {%ST(0), $op|$op, %ST(0)}">;
2745 def FDIVRPrST0 : FPrST0PInst<0xF0, "fdiv{|r}p $op">;
2748 // Unary operations.
2749 def FpCHS : FpI<(ops RFP:$dst, RFP:$src), OneArgFPRW,
2750 [(set RFP:$dst, (fneg RFP:$src))]>;
2751 def FpABS : FpI<(ops RFP:$dst, RFP:$src), OneArgFPRW,
2752 [(set RFP:$dst, (fabs RFP:$src))]>;
2753 def FpSQRT : FpI<(ops RFP:$dst, RFP:$src), OneArgFPRW,
2754 [(set RFP:$dst, (fsqrt RFP:$src))]>;
2755 def FpSIN : FpI<(ops RFP:$dst, RFP:$src), OneArgFPRW,
2756 [(set RFP:$dst, (fsin RFP:$src))]>;
2757 def FpCOS : FpI<(ops RFP:$dst, RFP:$src), OneArgFPRW,
2758 [(set RFP:$dst, (fcos RFP:$src))]>;
2759 def FpTST : FpI<(ops RFP:$src), OneArgFP,
2762 def FCHS : FPI<0xE0, RawFrm, (ops), "fchs">, D9;
2763 def FABS : FPI<0xE1, RawFrm, (ops), "fabs">, D9;
2764 def FSQRT : FPI<0xFA, RawFrm, (ops), "fsqrt">, D9;
2765 def FSIN : FPI<0xFE, RawFrm, (ops), "fsin">, D9;
2766 def FCOS : FPI<0xFF, RawFrm, (ops), "fcos">, D9;
2767 def FTST : FPI<0xE4, RawFrm, (ops), "ftst">, D9;
2770 // Floating point cmovs.
2771 let isTwoAddress = 1 in {
2772 def FpCMOVB : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), CondMovFP,
2773 [(set RFP:$dst, (X86cmov RFP:$src1, RFP:$src2,
2774 X86_COND_B, STATUS))]>;
2775 def FpCMOVBE : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), CondMovFP,
2776 [(set RFP:$dst, (X86cmov RFP:$src1, RFP:$src2,
2777 X86_COND_BE, STATUS))]>;
2778 def FpCMOVE : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), CondMovFP,
2779 [(set RFP:$dst, (X86cmov RFP:$src1, RFP:$src2,
2780 X86_COND_E, STATUS))]>;
2781 def FpCMOVP : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), CondMovFP,
2782 [(set RFP:$dst, (X86cmov RFP:$src1, RFP:$src2,
2783 X86_COND_P, STATUS))]>;
2784 def FpCMOVAE : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), CondMovFP,
2785 [(set RFP:$dst, (X86cmov RFP:$src1, RFP:$src2,
2786 X86_COND_AE, STATUS))]>;
2787 def FpCMOVA : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), CondMovFP,
2788 [(set RFP:$dst, (X86cmov RFP:$src1, RFP:$src2,
2789 X86_COND_A, STATUS))]>;
2790 def FpCMOVNE : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), CondMovFP,
2791 [(set RFP:$dst, (X86cmov RFP:$src1, RFP:$src2,
2792 X86_COND_NE, STATUS))]>;
2793 def FpCMOVNP : FpI<(ops RFP:$dst, RFP:$src1, RFP:$src2), CondMovFP,
2794 [(set RFP:$dst, (X86cmov RFP:$src1, RFP:$src2,
2795 X86_COND_NP, STATUS))]>;
2798 def FCMOVB : FPI<0xC0, AddRegFrm, (ops RST:$op),
2799 "fcmovb {$op, %ST(0)|%ST(0), $op}">, DA;
2800 def FCMOVBE : FPI<0xD0, AddRegFrm, (ops RST:$op),
2801 "fcmovbe {$op, %ST(0)|%ST(0), $op}">, DA;
2802 def FCMOVE : FPI<0xC8, AddRegFrm, (ops RST:$op),
2803 "fcmove {$op, %ST(0)|%ST(0), $op}">, DA;
2804 def FCMOVP : FPI<0xD8, AddRegFrm, (ops RST:$op),
2805 "fcmovu {$op, %ST(0)|%ST(0), $op}">, DA;
2806 def FCMOVAE : FPI<0xC0, AddRegFrm, (ops RST:$op),
2807 "fcmovae {$op, %ST(0)|%ST(0), $op}">, DB;
2808 def FCMOVA : FPI<0xD0, AddRegFrm, (ops RST:$op),
2809 "fcmova {$op, %ST(0)|%ST(0), $op}">, DB;
2810 def FCMOVNE : FPI<0xC8, AddRegFrm, (ops RST:$op),
2811 "fcmovne {$op, %ST(0)|%ST(0), $op}">, DB;
2812 def FCMOVNP : FPI<0xD8, AddRegFrm, (ops RST:$op),
2813 "fcmovnu {$op, %ST(0)|%ST(0), $op}">, DB;
2815 // Floating point loads & stores.
2816 def FpLD32m : FpI<(ops RFP:$dst, f32mem:$src), ZeroArgFP,
2817 [(set RFP:$dst, (extloadf64f32 addr:$src))]>;
2818 def FpLD64m : FpI<(ops RFP:$dst, f64mem:$src), ZeroArgFP,
2819 [(set RFP:$dst, (loadf64 addr:$src))]>;
2820 def FpILD16m : FpI<(ops RFP:$dst, i16mem:$src), ZeroArgFP,
2821 [(set RFP:$dst, (sint_to_fp (loadi16 addr:$src)))]>;
2822 def FpILD32m : FpI<(ops RFP:$dst, i32mem:$src), ZeroArgFP,
2823 [(set RFP:$dst, (sint_to_fp (loadi32 addr:$src)))]>;
2824 def FpILD64m : FpI<(ops RFP:$dst, i64mem:$src), ZeroArgFP,
2825 [(set RFP:$dst, (X86fild64m addr:$src))]>;
2827 def FpST32m : FpI<(ops f32mem:$op, RFP:$src), OneArgFP,
2828 [(truncstore RFP:$src, addr:$op, f32)]>;
2829 def FpST64m : FpI<(ops f64mem:$op, RFP:$src), OneArgFP,
2830 [(store RFP:$src, addr:$op)]>;
2832 def FpSTP32m : FpI<(ops f32mem:$op, RFP:$src), OneArgFP, []>;
2833 def FpSTP64m : FpI<(ops f64mem:$op, RFP:$src), OneArgFP, []>;
2834 def FpIST16m : FpI<(ops i16mem:$op, RFP:$src), OneArgFP, []>;
2835 def FpIST32m : FpI<(ops i32mem:$op, RFP:$src), OneArgFP, []>;
2836 def FpIST64m : FpI<(ops i64mem:$op, RFP:$src), OneArgFP, []>;
2838 def FLD32m : FPI<0xD9, MRM0m, (ops f32mem:$src), "fld{s} $src">;
2839 def FLD64m : FPI<0xDD, MRM0m, (ops f64mem:$src), "fld{l} $src">;
2840 def FILD16m : FPI<0xDF, MRM0m, (ops i16mem:$src), "fild{s} $src">;
2841 def FILD32m : FPI<0xDB, MRM0m, (ops i32mem:$src), "fild{l} $src">;
2842 def FILD64m : FPI<0xDF, MRM5m, (ops i64mem:$src), "fild{ll} $src">;
2843 def FST32m : FPI<0xD9, MRM2m, (ops f32mem:$dst), "fst{s} $dst">;
2844 def FST64m : FPI<0xDD, MRM2m, (ops f64mem:$dst), "fst{l} $dst">;
2845 def FSTP32m : FPI<0xD9, MRM3m, (ops f32mem:$dst), "fstp{s} $dst">;
2846 def FSTP64m : FPI<0xDD, MRM3m, (ops f64mem:$dst), "fstp{l} $dst">;
2847 def FIST16m : FPI<0xDF, MRM2m, (ops i16mem:$dst), "fist{s} $dst">;
2848 def FIST32m : FPI<0xDB, MRM2m, (ops i32mem:$dst), "fist{l} $dst">;
2849 def FISTP16m : FPI<0xDF, MRM3m, (ops i16mem:$dst), "fistp{s} $dst">;
2850 def FISTP32m : FPI<0xDB, MRM3m, (ops i32mem:$dst), "fistp{l} $dst">;
2851 def FISTP64m : FPI<0xDF, MRM7m, (ops i64mem:$dst), "fistp{ll} $dst">;
2853 // FP Stack manipulation instructions.
2854 def FLDrr : FPI<0xC0, AddRegFrm, (ops RST:$op), "fld $op">, D9;
2855 def FSTrr : FPI<0xD0, AddRegFrm, (ops RST:$op), "fst $op">, DD;
2856 def FSTPrr : FPI<0xD8, AddRegFrm, (ops RST:$op), "fstp $op">, DD;
2857 def FXCH : FPI<0xC8, AddRegFrm, (ops RST:$op), "fxch $op">, D9;
2859 // Floating point constant loads.
2860 def FpLD0 : FpI<(ops RFP:$dst), ZeroArgFP,
2861 [(set RFP:$dst, fp64imm0)]>;
2862 def FpLD1 : FpI<(ops RFP:$dst), ZeroArgFP,
2863 [(set RFP:$dst, fp64imm1)]>;
2865 def FLD0 : FPI<0xEE, RawFrm, (ops), "fldz">, D9;
2866 def FLD1 : FPI<0xE8, RawFrm, (ops), "fld1">, D9;
2869 // Floating point compares.
2870 def FpUCOMr : FpI<(ops RFP:$lhs, RFP:$rhs), CompareFP,
2871 []>; // FPSW = cmp ST(0) with ST(i)
2872 def FpUCOMIr : FpI<(ops RFP:$lhs, RFP:$rhs), CompareFP,
2873 [(set STATUS, (X86cmp RFP:$lhs, RFP:$rhs))]>,
2874 Imp<[],[STATUS]>; // CC = cmp ST(0) with ST(i)
2876 def FUCOMr : FPI<0xE0, AddRegFrm, // FPSW = cmp ST(0) with ST(i)
2878 "fucom $reg">, DD, Imp<[ST0],[]>;
2879 def FUCOMPr : FPI<0xE8, AddRegFrm, // FPSW = cmp ST(0) with ST(i), pop
2881 "fucomp $reg">, DD, Imp<[ST0],[]>;
2882 def FUCOMPPr : FPI<0xE9, RawFrm, // cmp ST(0) with ST(1), pop, pop
2884 "fucompp">, DA, Imp<[ST0],[]>;
2886 def FUCOMIr : FPI<0xE8, AddRegFrm, // CC = cmp ST(0) with ST(i)
2888 "fucomi {$reg, %ST(0)|%ST(0), $reg}">, DB, Imp<[ST0],[]>;
2889 def FUCOMIPr : FPI<0xE8, AddRegFrm, // CC = cmp ST(0) with ST(i), pop
2891 "fucomip {$reg, %ST(0)|%ST(0), $reg}">, DF, Imp<[ST0],[]>;
2894 // Floating point flag ops.
2895 def FNSTSW8r : I<0xE0, RawFrm, // AX = fp flags
2896 (ops), "fnstsw", []>, DF, Imp<[],[AX]>;
2898 def FNSTCW16m : I<0xD9, MRM7m, // [mem16] = X87 control world
2899 (ops i16mem:$dst), "fnstcw $dst", []>;
2900 def FLDCW16m : I<0xD9, MRM5m, // X87 control world = [mem16]
2901 (ops i16mem:$dst), "fldcw $dst", []>;
2904 //===----------------------------------------------------------------------===//
2905 // Miscellaneous Instructions
2906 //===----------------------------------------------------------------------===//
2908 def RDTSC : I<0x31, RawFrm, (ops), "rdtsc", [(X86rdtsc)]>,
2909 TB, Imp<[],[EAX,EDX]>;
2912 //===----------------------------------------------------------------------===//
2913 // Non-Instruction Patterns
2914 //===----------------------------------------------------------------------===//
2917 def : Pat<(X86call tglobaladdr:$dst),
2918 (CALLpcrel32 tglobaladdr:$dst)>;
2919 def : Pat<(X86call texternalsym:$dst),
2920 (CALLpcrel32 texternalsym:$dst)>;
2922 // X86 specific add which produces a flag.
2923 def : Pat<(X86addflag R32:$src1, R32:$src2),
2924 (ADD32rr R32:$src1, R32:$src2)>;
2925 def : Pat<(X86addflag R32:$src1, (load addr:$src2)),
2926 (ADD32rm R32:$src1, addr:$src2)>;
2927 def : Pat<(X86addflag R32:$src1, imm:$src2),
2928 (ADD32ri R32:$src1, imm:$src2)>;
2929 def : Pat<(X86addflag R32:$src1, i32immSExt8:$src2),
2930 (ADD32ri8 R32:$src1, i32immSExt8:$src2)>;
2932 def : Pat<(X86subflag R32:$src1, R32:$src2),
2933 (SUB32rr R32:$src1, R32:$src2)>;
2934 def : Pat<(X86subflag R32:$src1, (load addr:$src2)),
2935 (SUB32rm R32:$src1, addr:$src2)>;
2936 def : Pat<(X86subflag R32:$src1, imm:$src2),
2937 (SUB32ri R32:$src1, imm:$src2)>;
2938 def : Pat<(X86subflag R32:$src1, i32immSExt8:$src2),
2939 (SUB32ri8 R32:$src1, i32immSExt8:$src2)>;
2941 // {s|z}extload bool -> {s|z}extload byte
2942 def : Pat<(sextloadi16i1 addr:$src), (MOVSX16rm8 addr:$src)>;
2943 def : Pat<(sextloadi32i1 addr:$src), (MOVSX32rm8 addr:$src)>;
2944 def : Pat<(zextloadi16i1 addr:$src), (MOVZX16rm8 addr:$src)>;
2945 def : Pat<(zextloadi32i1 addr:$src), (MOVZX32rm8 addr:$src)>;
2947 // extload bool -> extload byte
2948 def : Pat<(extloadi8i1 addr:$src), (MOV8rm addr:$src)>;
2951 def : Pat<(i16 (anyext R8 :$src)), (MOVZX16rr8 R8 :$src)>;
2952 def : Pat<(i32 (anyext R8 :$src)), (MOVZX32rr8 R8 :$src)>;
2953 def : Pat<(i32 (anyext R16:$src)), (MOVZX32rr16 R16:$src)>;
2955 // Required for RET of f32 / f64 values.
2956 def : Pat<(X86fld addr:$src, f32), (FpLD32m addr:$src)>;
2957 def : Pat<(X86fld addr:$src, f64), (FpLD64m addr:$src)>;
2959 // Required for CALL which return f32 / f64 values.
2960 def : Pat<(X86fst RFP:$src, addr:$op, f32), (FpST32m addr:$op, RFP:$src)>;
2961 def : Pat<(X86fst RFP:$src, addr:$op, f64), (FpST64m addr:$op, RFP:$src)>;
2963 // Floatin point constant -0.0 and -1.0
2964 def : Pat<(f64 fp64immneg0), (FpCHS (FpLD0))>, Requires<[FPStack]>;
2965 def : Pat<(f64 fp64immneg1), (FpCHS (FpLD1))>, Requires<[FPStack]>;
2968 def : Pat<(f64 (undef)), (FpLD0)>, Requires<[FPStack]>;
2971 //===----------------------------------------------------------------------===//
2973 //===----------------------------------------------------------------------===//
2975 // (shl x, 1) ==> (add x, x)
2976 def : Pat<(shl R8 :$src1, (i8 1)), (ADD8rr R8 :$src1, R8 :$src1)>;
2977 def : Pat<(shl R16:$src1, (i8 1)), (ADD16rr R16:$src1, R16:$src1)>;
2978 def : Pat<(shl R32:$src1, (i8 1)), (ADD32rr R32:$src1, R32:$src1)>;