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 // *mem - Operand definitions for the funky X86 addressing mode operands.
18 class X86MemOperand<ValueType Ty, string printMethod> : Operand<Ty> {
19 let PrintMethod = printMethod;
20 let NumMIOperands = 4;
21 let MIOperandInfo = (ops R32, i8imm, R32, i32imm);
24 def i8mem : X86MemOperand<i32, "printi8mem">;
25 def i16mem : X86MemOperand<i32, "printi16mem">;
26 def i32mem : X86MemOperand<i32, "printi32mem">;
27 def i64mem : X86MemOperand<i32, "printi64mem">;
28 def f32mem : X86MemOperand<i32, "printf32mem">;
29 def f64mem : X86MemOperand<i32, "printf64mem">;
30 def f80mem : X86MemOperand<i32, "printf80mem">;
32 def SSECC : Operand<i8> {
33 let PrintMethod = "printSSECC";
36 // A couple of more descriptive operand definitions.
37 // 16-bits but only 8 bits are significant.
38 def i16i8imm : Operand<i16>;
39 // 32-bits but only 8 bits are significant.
40 def i32i8imm : Operand<i32>;
42 // PCRelative calls need special operand formatting.
43 let PrintMethod = "printCallOperand" in
44 def calltarget : Operand<i32>;
46 // Branch targets have OtherVT type.
47 def brtarget : Operand<OtherVT>;
49 // Define X86 specific addressing mode.
50 def addr : ComplexPattern<i32, 4, "SelectAddr", []>;
51 def leaaddr : ComplexPattern<i32, 4, "SelectLEAAddr", [add]>;
53 // Format specifies the encoding used by the instruction. This is part of the
54 // ad-hoc solution used to emit machine instruction encodings by our machine
56 class Format<bits<5> val> {
60 def Pseudo : Format<0>; def RawFrm : Format<1>;
61 def AddRegFrm : Format<2>; def MRMDestReg : Format<3>;
62 def MRMDestMem : Format<4>; def MRMSrcReg : Format<5>;
63 def MRMSrcMem : Format<6>;
64 def MRM0r : Format<16>; def MRM1r : Format<17>; def MRM2r : Format<18>;
65 def MRM3r : Format<19>; def MRM4r : Format<20>; def MRM5r : Format<21>;
66 def MRM6r : Format<22>; def MRM7r : Format<23>;
67 def MRM0m : Format<24>; def MRM1m : Format<25>; def MRM2m : Format<26>;
68 def MRM3m : Format<27>; def MRM4m : Format<28>; def MRM5m : Format<29>;
69 def MRM6m : Format<30>; def MRM7m : Format<31>;
71 // ImmType - This specifies the immediate type used by an instruction. This is
72 // part of the ad-hoc solution used to emit machine instruction encodings by our
73 // machine code emitter.
74 class ImmType<bits<2> val> {
77 def NoImm : ImmType<0>;
78 def Imm8 : ImmType<1>;
79 def Imm16 : ImmType<2>;
80 def Imm32 : ImmType<3>;
82 // FPFormat - This specifies what form this FP instruction has. This is used by
83 // the Floating-Point stackifier pass.
84 class FPFormat<bits<3> val> {
87 def NotFP : FPFormat<0>;
88 def ZeroArgFP : FPFormat<1>;
89 def OneArgFP : FPFormat<2>;
90 def OneArgFPRW : FPFormat<3>;
91 def TwoArgFP : FPFormat<4>;
92 def CompareFP : FPFormat<5>;
93 def CondMovFP : FPFormat<6>;
94 def SpecialFP : FPFormat<7>;
97 class X86Inst<bits<8> opcod, Format f, ImmType i, dag ops, string AsmStr>
99 let Namespace = "X86";
101 bits<8> Opcode = opcod;
103 bits<5> FormBits = Form.Value;
105 bits<2> ImmTypeBits = ImmT.Value;
107 dag OperandList = ops;
108 string AsmString = AsmStr;
111 // Attributes specific to X86 instructions...
113 bit hasOpSizePrefix = 0; // Does this inst have a 0x66 prefix?
115 bits<4> Prefix = 0; // Which prefix byte does this inst have?
116 FPFormat FPForm; // What flavor of FP instruction is this?
117 bits<3> FPFormBits = 0;
120 class Imp<list<Register> uses, list<Register> defs> {
121 list<Register> Uses = uses;
122 list<Register> Defs = defs;
126 // Prefix byte classes which are used to indicate to the ad-hoc machine code
127 // emitter that various prefix bytes are required.
128 class OpSize { bit hasOpSizePrefix = 1; }
129 class TB { bits<4> Prefix = 1; }
130 class REP { bits<4> Prefix = 2; }
131 class D8 { bits<4> Prefix = 3; }
132 class D9 { bits<4> Prefix = 4; }
133 class DA { bits<4> Prefix = 5; }
134 class DB { bits<4> Prefix = 6; }
135 class DC { bits<4> Prefix = 7; }
136 class DD { bits<4> Prefix = 8; }
137 class DE { bits<4> Prefix = 9; }
138 class DF { bits<4> Prefix = 10; }
139 class XD { bits<4> Prefix = 11; }
140 class XS { bits<4> Prefix = 12; }
143 //===----------------------------------------------------------------------===//
144 // Pattern fragments...
146 def i16immSExt8 : PatLeaf<(i16 imm), [{
147 // i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
148 // sign extended field.
149 return (int)N->getValue() == (signed char)N->getValue();
152 def i32immSExt8 : PatLeaf<(i32 imm), [{
153 // i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
154 // sign extended field.
155 return (int)N->getValue() == (signed char)N->getValue();
158 def i16immZExt8 : PatLeaf<(i16 imm), [{
159 // i16immZExt8 predicate - True if the 16-bit immediate fits in a 8-bit zero
161 return (unsigned)N->getValue() == (unsigned char)N->getValue();
164 // Helper fragments for loads.
165 def loadi8 : PatFrag<(ops node:$in), (i8 (load node:$in))>;
166 def loadi16 : PatFrag<(ops node:$in), (i16 (load node:$in))>;
167 def loadi32 : PatFrag<(ops node:$in), (i32 (load node:$in))>;
169 //===----------------------------------------------------------------------===//
170 // Instruction templates...
172 class I<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
173 : X86Inst<o, f, NoImm, ops, asm> {
174 let Pattern = pattern;
176 class Ii8 <bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
177 : X86Inst<o, f, Imm8 , ops, asm> {
178 let Pattern = pattern;
180 class Ii16<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
181 : X86Inst<o, f, Imm16, ops, asm> {
182 let Pattern = pattern;
184 class Ii32<bits<8> o, Format f, dag ops, string asm, list<dag> pattern>
185 : X86Inst<o, f, Imm32, ops, asm> {
186 let Pattern = pattern;
189 //===----------------------------------------------------------------------===//
190 // Instruction list...
193 def PHI : I<0, Pseudo, (ops variable_ops), "PHINODE", []>; // PHI node.
194 def NOOP : I<0x90, RawFrm, (ops), "nop", []>; // nop
196 def ADJCALLSTACKDOWN : I<0, Pseudo, (ops i32imm:$amt), "#ADJCALLSTACKDOWN", []>;
197 def ADJCALLSTACKUP : I<0, Pseudo, (ops i32imm:$amt1, i32imm:$amt2),
198 "#ADJCALLSTACKUP", []>;
199 def IMPLICIT_USE : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_USE", []>;
200 def IMPLICIT_DEF : I<0, Pseudo, (ops variable_ops), "#IMPLICIT_DEF", []>;
201 let isTerminator = 1 in
202 let Defs = [FP0, FP1, FP2, FP3, FP4, FP5, FP6] in
203 def FP_REG_KILL : I<0, Pseudo, (ops), "#FP_REG_KILL", []>;
205 //===----------------------------------------------------------------------===//
206 // Control Flow Instructions...
209 // Return instructions.
210 let isTerminator = 1, isReturn = 1, isBarrier = 1 in
211 def RET : I<0xC3, RawFrm, (ops), "ret", [(ret)]>;
212 let isTerminator = 1, isReturn = 1, isBarrier = 1 in
213 def RETI : Ii16<0xC2, RawFrm, (ops i16imm:$amt), "ret $amt", []>;
215 // All branches are RawFrm, Void, Branch, and Terminators
216 let isBranch = 1, isTerminator = 1 in
217 class IBr<bits<8> opcode, dag ops, string asm, list<dag> pattern> :
218 I<opcode, RawFrm, ops, asm, pattern>;
221 def JMP : IBr<0xE9, (ops brtarget:$dst), "jmp $dst", [(br bb:$dst)]>;
222 def JB : IBr<0x82, (ops brtarget:$dst), "jb $dst",
224 def JAE : IBr<0x83, (ops brtarget:$dst), "jae $dst", []>, TB;
225 def JE : IBr<0x84, (ops brtarget:$dst), "je $dst", []>, TB;
226 def JNE : IBr<0x85, (ops brtarget:$dst), "jne $dst", []>, TB;
227 def JBE : IBr<0x86, (ops brtarget:$dst), "jbe $dst", []>, TB;
228 def JA : IBr<0x87, (ops brtarget:$dst), "ja $dst", []>, TB;
229 def JS : IBr<0x88, (ops brtarget:$dst), "js $dst", []>, TB;
230 def JNS : IBr<0x89, (ops brtarget:$dst), "jns $dst", []>, TB;
231 def JP : IBr<0x8A, (ops brtarget:$dst), "jp $dst", []>, TB;
232 def JNP : IBr<0x8B, (ops brtarget:$dst), "jnp $dst", []>, TB;
233 def JL : IBr<0x8C, (ops brtarget:$dst), "jl $dst", []>, TB;
234 def JGE : IBr<0x8D, (ops brtarget:$dst), "jge $dst", []>, TB;
235 def JLE : IBr<0x8E, (ops brtarget:$dst), "jle $dst", []>, TB;
236 def JG : IBr<0x8F, (ops brtarget:$dst), "jg $dst", []>, TB;
238 //===----------------------------------------------------------------------===//
239 // Call Instructions...
242 // All calls clobber the non-callee saved registers...
243 let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0,
244 XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7] in {
245 def CALLpcrel32 : I<0xE8, RawFrm, (ops calltarget:$dst), "call $dst", []>;
246 def CALL32r : I<0xFF, MRM2r, (ops R32:$dst), "call {*}$dst", []>;
247 def CALL32m : I<0xFF, MRM2m, (ops i32mem:$dst), "call {*}$dst", []>;
251 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
252 def TAILJMPd : IBr<0xE9, (ops calltarget:$dst), "jmp $dst # TAIL CALL", []>;
253 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
254 def TAILJMPr : I<0xFF, MRM4r, (ops R32:$dst), "jmp {*}$dst # TAIL CALL", []>;
255 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in
256 def TAILJMPm : I<0xFF, MRM4m, (ops i32mem:$dst),
257 "jmp {*}$dst # TAIL CALL", []>;
259 // ADJSTACKPTRri - This is a standard ADD32ri instruction, identical in every
260 // way, except that it is marked as being a terminator. This causes the epilog
261 // inserter to insert reloads of callee saved registers BEFORE this. We need
262 // this until we have a more accurate way of tracking where the stack pointer is
263 // within a function.
264 let isTerminator = 1, isTwoAddress = 1 in
265 def ADJSTACKPTRri : Ii32<0x81, MRM0r, (ops R32:$dst, R32:$src1, i32imm:$src2),
266 "add{l} {$src2, $dst|$dst, $src2}", []>;
268 //===----------------------------------------------------------------------===//
269 // Miscellaneous Instructions...
271 def LEAVE : I<0xC9, RawFrm,
272 (ops), "leave", []>, Imp<[EBP,ESP],[EBP,ESP]>;
273 def POP32r : I<0x58, AddRegFrm,
274 (ops R32:$reg), "pop{l} $reg", []>, Imp<[ESP],[ESP]>;
276 let isTwoAddress = 1 in // R32 = bswap R32
277 def BSWAP32r : I<0xC8, AddRegFrm,
278 (ops R32:$dst, R32:$src), "bswap{l} $dst", []>, TB;
280 def XCHG8rr : I<0x86, MRMDestReg, // xchg R8, R8
281 (ops R8:$src1, R8:$src2),
282 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
283 def XCHG16rr : I<0x87, MRMDestReg, // xchg R16, R16
284 (ops R16:$src1, R16:$src2),
285 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
286 def XCHG32rr : I<0x87, MRMDestReg, // xchg R32, R32
287 (ops R32:$src1, R32:$src2),
288 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
290 def XCHG8mr : I<0x86, MRMDestMem,
291 (ops i8mem:$src1, R8:$src2),
292 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
293 def XCHG16mr : I<0x87, MRMDestMem,
294 (ops i16mem:$src1, R16:$src2),
295 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
296 def XCHG32mr : I<0x87, MRMDestMem,
297 (ops i32mem:$src1, R32:$src2),
298 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
299 def XCHG8rm : I<0x86, MRMSrcMem,
300 (ops R8:$src1, i8mem:$src2),
301 "xchg{b} {$src2|$src1}, {$src1|$src2}", []>;
302 def XCHG16rm : I<0x87, MRMSrcMem,
303 (ops R16:$src1, i16mem:$src2),
304 "xchg{w} {$src2|$src1}, {$src1|$src2}", []>, OpSize;
305 def XCHG32rm : I<0x87, MRMSrcMem,
306 (ops R32:$src1, i32mem:$src2),
307 "xchg{l} {$src2|$src1}, {$src1|$src2}", []>;
309 def LEA16r : I<0x8D, MRMSrcMem,
310 (ops R16:$dst, i32mem:$src),
311 "lea{w} {$src|$dst}, {$dst|$src}", []>, OpSize;
312 def LEA32r : I<0x8D, MRMSrcMem,
313 (ops R32:$dst, i32mem:$src),
314 "lea{l} {$src|$dst}, {$dst|$src}",
315 [(set R32:$dst, leaaddr:$src)]>;
318 def REP_MOVSB : I<0xA4, RawFrm, (ops), "{rep;movsb|rep movsb}", []>,
319 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
320 def REP_MOVSW : I<0xA5, RawFrm, (ops), "{rep;movsw|rep movsw}", []>,
321 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP, OpSize;
322 def REP_MOVSD : I<0xA5, RawFrm, (ops), "{rep;movsd|rep movsd}", []>,
323 Imp<[ECX,EDI,ESI], [ECX,EDI,ESI]>, REP;
325 def REP_STOSB : I<0xAA, RawFrm, (ops), "{rep;stosb|rep stosb}", []>,
326 Imp<[AL,ECX,EDI], [ECX,EDI]>, REP;
327 def REP_STOSW : I<0xAB, RawFrm, (ops), "{rep;stosw|rep stosw}", []>,
328 Imp<[AX,ECX,EDI], [ECX,EDI]>, REP, OpSize;
329 def REP_STOSD : I<0xAB, RawFrm, (ops), "{rep;stosl|rep stosd}", []>,
330 Imp<[EAX,ECX,EDI], [ECX,EDI]>, REP;
333 //===----------------------------------------------------------------------===//
334 // Input/Output Instructions...
336 def IN8rr : I<0xEC, RawFrm, (ops),
337 "in{b} {%dx, %al|%AL, %DX}", []>, Imp<[DX], [AL]>;
338 def IN16rr : I<0xED, RawFrm, (ops),
339 "in{w} {%dx, %ax|%AX, %DX}", []>, Imp<[DX], [AX]>, OpSize;
340 def IN32rr : I<0xED, RawFrm, (ops),
341 "in{l} {%dx, %eax|%EAX, %DX}", []>, Imp<[DX],[EAX]>;
343 def IN8ri : Ii8<0xE4, RawFrm, (ops i8imm:$port),
344 "in{b} {$port, %al|%AL, $port}", []>, Imp<[], [AL]>;
345 def IN16ri : Ii8<0xE5, RawFrm, (ops i8imm:$port),
346 "in{w} {$port, %ax|%AX, $port}", []>, Imp<[], [AX]>, OpSize;
347 def IN32ri : Ii8<0xE5, RawFrm, (ops i8imm:$port),
348 "in{l} {$port, %eax|%EAX, $port}", []>, Imp<[],[EAX]>;
350 def OUT8rr : I<0xEE, RawFrm, (ops),
351 "out{b} {%al, %dx|%DX, %AL}",
352 [(writeport AL, DX)]>, Imp<[DX, AL], []>;
353 def OUT16rr : I<0xEF, RawFrm, (ops),
354 "out{w} {%ax, %dx|%DX, %AX}",
355 [(writeport AX, DX)]>, Imp<[DX, AX], []>, OpSize;
356 def OUT32rr : I<0xEF, RawFrm, (ops),
357 "out{l} {%eax, %dx|%DX, %EAX}",
358 [(writeport EAX, DX)]>, Imp<[DX, EAX], []>;
360 def OUT8ir : Ii8<0xE6, RawFrm, (ops i16i8imm:$port),
361 "out{b} {%al, $port|$port, %AL}",
362 [(writeport AL, i16immZExt8:$port)]>,
364 def OUT16ir : Ii8<0xE7, RawFrm, (ops i16i8imm:$port),
365 "out{w} {%ax, $port|$port, %AX}",
366 [(writeport AX, i16immZExt8:$port)]>,
367 Imp<[AX], []>, OpSize;
368 def OUT32ir : Ii8<0xE7, RawFrm, (ops i16i8imm:$port),
369 "out{l} {%eax, $port|$port, %EAX}",
370 [(writeport EAX, i16immZExt8:$port)]>,
373 //===----------------------------------------------------------------------===//
374 // Move Instructions...
376 def MOV8rr : I<0x88, MRMDestReg, (ops R8 :$dst, R8 :$src),
377 "mov{b} {$src, $dst|$dst, $src}", []>;
378 def MOV16rr : I<0x89, MRMDestReg, (ops R16:$dst, R16:$src),
379 "mov{w} {$src, $dst|$dst, $src}", []>, OpSize;
380 def MOV32rr : I<0x89, MRMDestReg, (ops R32:$dst, R32:$src),
381 "mov{l} {$src, $dst|$dst, $src}", []>;
382 def MOV8ri : Ii8 <0xB0, AddRegFrm, (ops R8 :$dst, i8imm :$src),
383 "mov{b} {$src, $dst|$dst, $src}",
384 [(set R8:$dst, imm:$src)]>;
385 def MOV16ri : Ii16<0xB8, AddRegFrm, (ops R16:$dst, i16imm:$src),
386 "mov{w} {$src, $dst|$dst, $src}",
387 [(set R16:$dst, imm:$src)]>, OpSize;
388 def MOV32ri : Ii32<0xB8, AddRegFrm, (ops R32:$dst, i32imm:$src),
389 "mov{l} {$src, $dst|$dst, $src}",
390 [(set R32:$dst, imm:$src)]>;
391 def MOV8mi : Ii8 <0xC6, MRM0m, (ops i8mem :$dst, i8imm :$src),
392 "mov{b} {$src, $dst|$dst, $src}",
393 [(store (i8 imm:$src), addr:$dst)]>;
394 def MOV16mi : Ii16<0xC7, MRM0m, (ops i16mem:$dst, i16imm:$src),
395 "mov{w} {$src, $dst|$dst, $src}",
396 [(store (i16 imm:$src), addr:$dst)]>, OpSize;
397 def MOV32mi : Ii32<0xC7, MRM0m, (ops i32mem:$dst, i32imm:$src),
398 "mov{l} {$src, $dst|$dst, $src}",
399 [(store (i32 imm:$src), addr:$dst)]>;
401 def MOV8rm : I<0x8A, MRMSrcMem, (ops R8 :$dst, i8mem :$src),
402 "mov{b} {$src, $dst|$dst, $src}",
403 [(set R8:$dst, (load addr:$src))]>;
404 def MOV16rm : I<0x8B, MRMSrcMem, (ops R16:$dst, i16mem:$src),
405 "mov{w} {$src, $dst|$dst, $src}",
406 [(set R16:$dst, (load addr:$src))]>, OpSize;
407 def MOV32rm : I<0x8B, MRMSrcMem, (ops R32:$dst, i32mem:$src),
408 "mov{l} {$src, $dst|$dst, $src}",
409 [(set R32:$dst, (load addr:$src))]>;
411 def MOV8mr : I<0x88, MRMDestMem, (ops i8mem :$dst, R8 :$src),
412 "mov{b} {$src, $dst|$dst, $src}",
413 [(store R8:$src, addr:$dst)]>;
414 def MOV16mr : I<0x89, MRMDestMem, (ops i16mem:$dst, R16:$src),
415 "mov{w} {$src, $dst|$dst, $src}",
416 [(store R16:$src, addr:$dst)]>, OpSize;
417 def MOV32mr : I<0x89, MRMDestMem, (ops i32mem:$dst, R32:$src),
418 "mov{l} {$src, $dst|$dst, $src}",
419 [(store R32:$src, addr:$dst)]>;
421 //===----------------------------------------------------------------------===//
422 // Fixed-Register Multiplication and Division Instructions...
425 // Extra precision multiplication
426 def MUL8r : I<0xF6, MRM4r, (ops R8:$src), "mul{b} $src", []>,
427 Imp<[AL],[AX]>; // AL,AH = AL*R8
428 def MUL16r : I<0xF7, MRM4r, (ops R16:$src), "mul{w} $src", []>,
429 Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*R16
430 def MUL32r : I<0xF7, MRM4r, (ops R32:$src), "mul{l} $src", []>,
431 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*R32
432 def MUL8m : I<0xF6, MRM4m, (ops i8mem :$src),
433 "mul{b} $src", []>, Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
434 def MUL16m : I<0xF7, MRM4m, (ops i16mem:$src),
435 "mul{w} $src", []>, Imp<[AX],[AX,DX]>,
436 OpSize; // AX,DX = AX*[mem16]
437 def MUL32m : I<0xF7, MRM4m, (ops i32mem:$src),
438 "mul{l} $src", []>, Imp<[EAX],[EAX,EDX]>;// EAX,EDX = EAX*[mem32]
440 def IMUL8r : I<0xF6, MRM5r, (ops R8:$src), "imul{b} $src", []>,
441 Imp<[AL],[AX]>; // AL,AH = AL*R8
442 def IMUL16r : I<0xF7, MRM5r, (ops R16:$src), "imul{w} $src", []>,
443 Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*R16
444 def IMUL32r : I<0xF7, MRM5r, (ops R32:$src), "imul{l} $src", []>,
445 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*R32
446 def IMUL8m : I<0xF6, MRM5m, (ops i8mem :$src),
447 "imul{b} $src", []>, Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
448 def IMUL16m : I<0xF7, MRM5m, (ops i16mem:$src),
449 "imul{w} $src", []>, Imp<[AX],[AX,DX]>,
450 OpSize; // AX,DX = AX*[mem16]
451 def IMUL32m : I<0xF7, MRM5m, (ops i32mem:$src),
453 Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*[mem32]
455 // unsigned division/remainder
456 def DIV8r : I<0xF6, MRM6r, (ops R8:$src), // AX/r8 = AL,AH
457 "div{b} $src", []>, Imp<[AX],[AX]>;
458 def DIV16r : I<0xF7, MRM6r, (ops R16:$src), // DX:AX/r16 = AX,DX
459 "div{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
460 def DIV32r : I<0xF7, MRM6r, (ops R32:$src), // EDX:EAX/r32 = EAX,EDX
461 "div{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
462 def DIV8m : I<0xF6, MRM6m, (ops i8mem:$src), // AX/[mem8] = AL,AH
463 "div{b} $src", []>, Imp<[AX],[AX]>;
464 def DIV16m : I<0xF7, MRM6m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX
465 "div{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
466 def DIV32m : I<0xF7, MRM6m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
467 "div{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
469 // Signed division/remainder.
470 def IDIV8r : I<0xF6, MRM7r, (ops R8:$src), // AX/r8 = AL,AH
471 "idiv{b} $src", []>, Imp<[AX],[AX]>;
472 def IDIV16r: I<0xF7, MRM7r, (ops R16:$src), // DX:AX/r16 = AX,DX
473 "idiv{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
474 def IDIV32r: I<0xF7, MRM7r, (ops R32:$src), // EDX:EAX/r32 = EAX,EDX
475 "idiv{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
476 def IDIV8m : I<0xF6, MRM7m, (ops i8mem:$src), // AX/[mem8] = AL,AH
477 "idiv{b} $src", []>, Imp<[AX],[AX]>;
478 def IDIV16m: I<0xF7, MRM7m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX
479 "idiv{w} $src", []>, Imp<[AX,DX],[AX,DX]>, OpSize;
480 def IDIV32m: I<0xF7, MRM7m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX
481 "idiv{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>;
483 // Sign-extenders for division.
484 def CBW : I<0x98, RawFrm, (ops),
485 "{cbtw|cbw}", []>, Imp<[AL],[AH]>; // AX = signext(AL)
486 def CWD : I<0x99, RawFrm, (ops),
487 "{cwtd|cwd}", []>, Imp<[AX],[DX]>; // DX:AX = signext(AX)
488 def CDQ : I<0x99, RawFrm, (ops),
489 "{cltd|cdq}", []>, Imp<[EAX],[EDX]>; // EDX:EAX = signext(EAX)
492 //===----------------------------------------------------------------------===//
493 // Two address Instructions...
495 let isTwoAddress = 1 in {
498 def CMOVB16rr : I<0x42, MRMSrcReg, // if <u, R16 = R16
499 (ops R16:$dst, R16:$src1, R16:$src2),
500 "cmovb {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
501 def CMOVB16rm : I<0x42, MRMSrcMem, // if <u, R16 = [mem16]
502 (ops R16:$dst, R16:$src1, i16mem:$src2),
503 "cmovb {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
504 def CMOVB32rr : I<0x42, MRMSrcReg, // if <u, R32 = R32
505 (ops R32:$dst, R32:$src1, R32:$src2),
506 "cmovb {$src2, $dst|$dst, $src2}", []>, TB;
507 def CMOVB32rm : I<0x42, MRMSrcMem, // if <u, R32 = [mem32]
508 (ops R32:$dst, R32:$src1, i32mem:$src2),
509 "cmovb {$src2, $dst|$dst, $src2}", []>, TB;
511 def CMOVAE16rr: I<0x43, MRMSrcReg, // if >=u, R16 = R16
512 (ops R16:$dst, R16:$src1, R16:$src2),
513 "cmovae {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
514 def CMOVAE16rm: I<0x43, MRMSrcMem, // if >=u, R16 = [mem16]
515 (ops R16:$dst, R16:$src1, i16mem:$src2),
516 "cmovae {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
517 def CMOVAE32rr: I<0x43, MRMSrcReg, // if >=u, R32 = R32
518 (ops R32:$dst, R32:$src1, R32:$src2),
519 "cmovae {$src2, $dst|$dst, $src2}", []>, TB;
520 def CMOVAE32rm: I<0x43, MRMSrcMem, // if >=u, R32 = [mem32]
521 (ops R32:$dst, R32:$src1, i32mem:$src2),
522 "cmovae {$src2, $dst|$dst, $src2}", []>, TB;
524 def CMOVE16rr : I<0x44, MRMSrcReg, // if ==, R16 = R16
525 (ops R16:$dst, R16:$src1, R16:$src2),
526 "cmove {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
527 def CMOVE16rm : I<0x44, MRMSrcMem, // if ==, R16 = [mem16]
528 (ops R16:$dst, R16:$src1, i16mem:$src2),
529 "cmove {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
530 def CMOVE32rr : I<0x44, MRMSrcReg, // if ==, R32 = R32
531 (ops R32:$dst, R32:$src1, R32:$src2),
532 "cmove {$src2, $dst|$dst, $src2}", []>, TB;
533 def CMOVE32rm : I<0x44, MRMSrcMem, // if ==, R32 = [mem32]
534 (ops R32:$dst, R32:$src1, i32mem:$src2),
535 "cmove {$src2, $dst|$dst, $src2}", []>, TB;
537 def CMOVNE16rr: I<0x45, MRMSrcReg, // if !=, R16 = R16
538 (ops R16:$dst, R16:$src1, R16:$src2),
539 "cmovne {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
540 def CMOVNE16rm: I<0x45, MRMSrcMem, // if !=, R16 = [mem16]
541 (ops R16:$dst, R16:$src1, i16mem:$src2),
542 "cmovne {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
543 def CMOVNE32rr: I<0x45, MRMSrcReg, // if !=, R32 = R32
544 (ops R32:$dst, R32:$src1, R32:$src2),
545 "cmovne {$src2, $dst|$dst, $src2}", []>, TB;
546 def CMOVNE32rm: I<0x45, MRMSrcMem, // if !=, R32 = [mem32]
547 (ops R32:$dst, R32:$src1, i32mem:$src2),
548 "cmovne {$src2, $dst|$dst, $src2}", []>, TB;
550 def CMOVBE16rr: I<0x46, MRMSrcReg, // if <=u, R16 = R16
551 (ops R16:$dst, R16:$src1, R16:$src2),
552 "cmovbe {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
553 def CMOVBE16rm: I<0x46, MRMSrcMem, // if <=u, R16 = [mem16]
554 (ops R16:$dst, R16:$src1, i16mem:$src2),
555 "cmovbe {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
556 def CMOVBE32rr: I<0x46, MRMSrcReg, // if <=u, R32 = R32
557 (ops R32:$dst, R32:$src1, R32:$src2),
558 "cmovbe {$src2, $dst|$dst, $src2}", []>, TB;
559 def CMOVBE32rm: I<0x46, MRMSrcMem, // if <=u, R32 = [mem32]
560 (ops R32:$dst, R32:$src1, i32mem:$src2),
561 "cmovbe {$src2, $dst|$dst, $src2}", []>, TB;
563 def CMOVA16rr : I<0x47, MRMSrcReg, // if >u, R16 = R16
564 (ops R16:$dst, R16:$src1, R16:$src2),
565 "cmova {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
566 def CMOVA16rm : I<0x47, MRMSrcMem, // if >u, R16 = [mem16]
567 (ops R16:$dst, R16:$src1, i16mem:$src2),
568 "cmova {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
569 def CMOVA32rr : I<0x47, MRMSrcReg, // if >u, R32 = R32
570 (ops R32:$dst, R32:$src1, R32:$src2),
571 "cmova {$src2, $dst|$dst, $src2}", []>, TB;
572 def CMOVA32rm : I<0x47, MRMSrcMem, // if >u, R32 = [mem32]
573 (ops R32:$dst, R32:$src1, i32mem:$src2),
574 "cmova {$src2, $dst|$dst, $src2}", []>, TB;
576 def CMOVS16rr : I<0x48, MRMSrcReg, // if signed, R16 = R16
577 (ops R16:$dst, R16:$src1, R16:$src2),
578 "cmovs {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
579 def CMOVS16rm : I<0x48, MRMSrcMem, // if signed, R16 = [mem16]
580 (ops R16:$dst, R16:$src1, i16mem:$src2),
581 "cmovs {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
582 def CMOVS32rr : I<0x48, MRMSrcReg, // if signed, R32 = R32
583 (ops R32:$dst, R32:$src1, R32:$src2),
584 "cmovs {$src2, $dst|$dst, $src2}", []>, TB;
585 def CMOVS32rm : I<0x48, MRMSrcMem, // if signed, R32 = [mem32]
586 (ops R32:$dst, R32:$src1, i32mem:$src2),
587 "cmovs {$src2, $dst|$dst, $src2}", []>, TB;
589 def CMOVNS16rr: I<0x49, MRMSrcReg, // if !signed, R16 = R16
590 (ops R16:$dst, R16:$src1, R16:$src2),
591 "cmovns {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
592 def CMOVNS16rm: I<0x49, MRMSrcMem, // if !signed, R16 = [mem16]
593 (ops R16:$dst, R16:$src1, i16mem:$src2),
594 "cmovns {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
595 def CMOVNS32rr: I<0x49, MRMSrcReg, // if !signed, R32 = R32
596 (ops R32:$dst, R32:$src1, R32:$src2),
597 "cmovns {$src2, $dst|$dst, $src2}", []>, TB;
598 def CMOVNS32rm: I<0x49, MRMSrcMem, // if !signed, R32 = [mem32]
599 (ops R32:$dst, R32:$src1, i32mem:$src2),
600 "cmovns {$src2, $dst|$dst, $src2}", []>, TB;
602 def CMOVP16rr : I<0x4A, MRMSrcReg, // if parity, R16 = R16
603 (ops R16:$dst, R16:$src1, R16:$src2),
604 "cmovp {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
605 def CMOVP16rm : I<0x4A, MRMSrcMem, // if parity, R16 = [mem16]
606 (ops R16:$dst, R16:$src1, i16mem:$src2),
607 "cmovp {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
608 def CMOVP32rr : I<0x4A, MRMSrcReg, // if parity, R32 = R32
609 (ops R32:$dst, R32:$src1, R32:$src2),
610 "cmovp {$src2, $dst|$dst, $src2}", []>, TB;
611 def CMOVP32rm : I<0x4A, MRMSrcMem, // if parity, R32 = [mem32]
612 (ops R32:$dst, R32:$src1, i32mem:$src2),
613 "cmovp {$src2, $dst|$dst, $src2}", []>, TB;
616 def CMOVNP16rr : I<0x4B, MRMSrcReg, // if !parity, R16 = R16
617 (ops R16:$dst, R16:$src1, R16:$src2),
618 "cmovnp {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
619 def CMOVNP16rm : I<0x4B, MRMSrcMem, // if !parity, R16 = [mem16]
620 (ops R16:$dst, R16:$src1, i16mem:$src2),
621 "cmovnp {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
622 def CMOVNP32rr : I<0x4B, MRMSrcReg, // if !parity, R32 = R32
623 (ops R32:$dst, R32:$src1, R32:$src2),
624 "cmovnp {$src2, $dst|$dst, $src2}", []>, TB;
625 def CMOVNP32rm : I<0x4B, MRMSrcMem, // if !parity, R32 = [mem32]
626 (ops R32:$dst, R32:$src1, i32mem:$src2),
627 "cmovnp {$src2, $dst|$dst, $src2}", []>, TB;
630 def CMOVL16rr : I<0x4C, MRMSrcReg, // if <s, R16 = R16
631 (ops R16:$dst, R16:$src1, R16:$src2),
632 "cmovl {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
633 def CMOVL16rm : I<0x4C, MRMSrcMem, // if <s, R16 = [mem16]
634 (ops R16:$dst, R16:$src1, i16mem:$src2),
635 "cmovl {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
636 def CMOVL32rr : I<0x4C, MRMSrcReg, // if <s, R32 = R32
637 (ops R32:$dst, R32:$src1, R32:$src2),
638 "cmovl {$src2, $dst|$dst, $src2}", []>, TB;
639 def CMOVL32rm : I<0x4C, MRMSrcMem, // if <s, R32 = [mem32]
640 (ops R32:$dst, R32:$src1, i32mem:$src2),
641 "cmovl {$src2, $dst|$dst, $src2}", []>, TB;
643 def CMOVGE16rr: I<0x4D, MRMSrcReg, // if >=s, R16 = R16
644 (ops R16:$dst, R16:$src1, R16:$src2),
645 "cmovge {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
646 def CMOVGE16rm: I<0x4D, MRMSrcMem, // if >=s, R16 = [mem16]
647 (ops R16:$dst, R16:$src1, i16mem:$src2),
648 "cmovge {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
649 def CMOVGE32rr: I<0x4D, MRMSrcReg, // if >=s, R32 = R32
650 (ops R32:$dst, R32:$src1, R32:$src2),
651 "cmovge {$src2, $dst|$dst, $src2}", []>, TB;
652 def CMOVGE32rm: I<0x4D, MRMSrcMem, // if >=s, R32 = [mem32]
653 (ops R32:$dst, R32:$src1, i32mem:$src2),
654 "cmovge {$src2, $dst|$dst, $src2}", []>, TB;
656 def CMOVLE16rr: I<0x4E, MRMSrcReg, // if <=s, R16 = R16
657 (ops R16:$dst, R16:$src1, R16:$src2),
658 "cmovle {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
659 def CMOVLE16rm: I<0x4E, MRMSrcMem, // if <=s, R16 = [mem16]
660 (ops R16:$dst, R16:$src1, i16mem:$src2),
661 "cmovle {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
662 def CMOVLE32rr: I<0x4E, MRMSrcReg, // if <=s, R32 = R32
663 (ops R32:$dst, R32:$src1, R32:$src2),
664 "cmovle {$src2, $dst|$dst, $src2}", []>, TB;
665 def CMOVLE32rm: I<0x4E, MRMSrcMem, // if <=s, R32 = [mem32]
666 (ops R32:$dst, R32:$src1, i32mem:$src2),
667 "cmovle {$src2, $dst|$dst, $src2}", []>, TB;
669 def CMOVG16rr : I<0x4F, MRMSrcReg, // if >s, R16 = R16
670 (ops R16:$dst, R16:$src1, R16:$src2),
671 "cmovg {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
672 def CMOVG16rm : I<0x4F, MRMSrcMem, // if >s, R16 = [mem16]
673 (ops R16:$dst, R16:$src1, i16mem:$src2),
674 "cmovg {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
675 def CMOVG32rr : I<0x4F, MRMSrcReg, // if >s, R32 = R32
676 (ops R32:$dst, R32:$src1, R32:$src2),
677 "cmovg {$src2, $dst|$dst, $src2}", []>, TB;
678 def CMOVG32rm : I<0x4F, MRMSrcMem, // if >s, R32 = [mem32]
679 (ops R32:$dst, R32:$src1, i32mem:$src2),
680 "cmovg {$src2, $dst|$dst, $src2}", []>, TB;
682 // unary instructions
683 def NEG8r : I<0xF6, MRM3r, (ops R8 :$dst, R8 :$src), "neg{b} $dst",
684 [(set R8:$dst, (ineg R8:$src))]>;
685 def NEG16r : I<0xF7, MRM3r, (ops R16:$dst, R16:$src), "neg{w} $dst",
686 [(set R16:$dst, (ineg R16:$src))]>, OpSize;
687 def NEG32r : I<0xF7, MRM3r, (ops R32:$dst, R32:$src), "neg{l} $dst",
688 [(set R32:$dst, (ineg R32:$src))]>;
689 let isTwoAddress = 0 in {
690 def NEG8m : I<0xF6, MRM3m, (ops i8mem :$dst), "neg{b} $dst",
691 [(store (ineg (loadi8 addr:$dst)), addr:$dst)]>;
692 def NEG16m : I<0xF7, MRM3m, (ops i16mem:$dst), "neg{w} $dst",
693 [(store (ineg (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
694 def NEG32m : I<0xF7, MRM3m, (ops i32mem:$dst), "neg{l} $dst",
695 [(store (ineg (loadi32 addr:$dst)), addr:$dst)]>;
699 def NOT8r : I<0xF6, MRM2r, (ops R8 :$dst, R8 :$src), "not{b} $dst",
700 [(set R8:$dst, (not R8:$src))]>;
701 def NOT16r : I<0xF7, MRM2r, (ops R16:$dst, R16:$src), "not{w} $dst",
702 [(set R16:$dst, (not R16:$src))]>, OpSize;
703 def NOT32r : I<0xF7, MRM2r, (ops R32:$dst, R32:$src), "not{l} $dst",
704 [(set R32:$dst, (not R32:$src))]>;
705 let isTwoAddress = 0 in {
706 def NOT8m : I<0xF6, MRM2m, (ops i8mem :$dst), "not{b} $dst",
707 [(store (not (loadi8 addr:$dst)), addr:$dst)]>;
708 def NOT16m : I<0xF7, MRM2m, (ops i16mem:$dst), "not{w} $dst",
709 [(store (not (loadi16 addr:$dst)), addr:$dst)]>, OpSize;
710 def NOT32m : I<0xF7, MRM2m, (ops i32mem:$dst), "not{l} $dst",
711 [(store (not (loadi32 addr:$dst)), addr:$dst)]>;
714 // TODO: inc/dec is slow for P4, but fast for Pentium-M.
715 def INC8r : I<0xFE, MRM0r, (ops R8 :$dst, R8 :$src), "inc{b} $dst",
716 [(set R8:$dst, (add R8:$src, 1))]>;
717 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
718 def INC16r : I<0xFF, MRM0r, (ops R16:$dst, R16:$src), "inc{w} $dst",
719 [(set R16:$dst, (add R16:$src, 1))]>, OpSize;
720 def INC32r : I<0xFF, MRM0r, (ops R32:$dst, R32:$src), "inc{l} $dst",
721 [(set R32:$dst, (add R32:$src, 1))]>;
723 let isTwoAddress = 0 in {
724 def INC8m : I<0xFE, MRM0m, (ops i8mem :$dst), "inc{b} $dst",
725 [(store (add (loadi8 addr:$dst), 1), addr:$dst)]>;
726 def INC16m : I<0xFF, MRM0m, (ops i16mem:$dst), "inc{w} $dst",
727 [(store (add (loadi16 addr:$dst), 1), addr:$dst)]>, OpSize;
728 def INC32m : I<0xFF, MRM0m, (ops i32mem:$dst), "inc{l} $dst",
729 [(store (add (loadi32 addr:$dst), 1), addr:$dst)]>;
732 def DEC8r : I<0xFE, MRM1r, (ops R8 :$dst, R8 :$src), "dec{b} $dst",
733 [(set R8:$dst, (add R8:$src, -1))]>;
734 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
735 def DEC16r : I<0xFF, MRM1r, (ops R16:$dst, R16:$src), "dec{w} $dst",
736 [(set R16:$dst, (add R16:$src, -1))]>, OpSize;
737 def DEC32r : I<0xFF, MRM1r, (ops R32:$dst, R32:$src), "dec{l} $dst",
738 [(set R32:$dst, (add R32:$src, -1))]>;
741 let isTwoAddress = 0 in {
742 def DEC8m : I<0xFE, MRM1m, (ops i8mem :$dst), "dec{b} $dst",
743 [(store (add (loadi8 addr:$dst), -1), addr:$dst)]>;
744 def DEC16m : I<0xFF, MRM1m, (ops i16mem:$dst), "dec{w} $dst",
745 [(store (add (loadi16 addr:$dst), -1), addr:$dst)]>, OpSize;
746 def DEC32m : I<0xFF, MRM1m, (ops i32mem:$dst), "dec{l} $dst",
747 [(store (add (loadi32 addr:$dst), -1), addr:$dst)]>;
750 // Logical operators...
751 let isCommutable = 1 in { // X = AND Y, Z --> X = AND Z, Y
752 def AND8rr : I<0x20, MRMDestReg,
753 (ops R8 :$dst, R8 :$src1, R8 :$src2),
754 "and{b} {$src2, $dst|$dst, $src2}",
755 [(set R8:$dst, (and R8:$src1, R8:$src2))]>;
756 def AND16rr : I<0x21, MRMDestReg,
757 (ops R16:$dst, R16:$src1, R16:$src2),
758 "and{w} {$src2, $dst|$dst, $src2}",
759 [(set R16:$dst, (and R16:$src1, R16:$src2))]>, OpSize;
760 def AND32rr : I<0x21, MRMDestReg,
761 (ops R32:$dst, R32:$src1, R32:$src2),
762 "and{l} {$src2, $dst|$dst, $src2}",
763 [(set R32:$dst, (and R32:$src1, R32:$src2))]>;
766 def AND8rm : I<0x22, MRMSrcMem,
767 (ops R8 :$dst, R8 :$src1, i8mem :$src2),
768 "and{b} {$src2, $dst|$dst, $src2}",
769 [(set R8:$dst, (and R8:$src1, (load addr:$src2)))]>;
770 def AND16rm : I<0x23, MRMSrcMem,
771 (ops R16:$dst, R16:$src1, i16mem:$src2),
772 "and{w} {$src2, $dst|$dst, $src2}",
773 [(set R16:$dst, (and R16:$src1, (load addr:$src2)))]>, OpSize;
774 def AND32rm : I<0x23, MRMSrcMem,
775 (ops R32:$dst, R32:$src1, i32mem:$src2),
776 "and{l} {$src2, $dst|$dst, $src2}",
777 [(set R32:$dst, (and R32:$src1, (load addr:$src2)))]>;
779 def AND8ri : Ii8<0x80, MRM4r,
780 (ops R8 :$dst, R8 :$src1, i8imm :$src2),
781 "and{b} {$src2, $dst|$dst, $src2}",
782 [(set R8:$dst, (and R8:$src1, imm:$src2))]>;
783 def AND16ri : Ii16<0x81, MRM4r,
784 (ops R16:$dst, R16:$src1, i16imm:$src2),
785 "and{w} {$src2, $dst|$dst, $src2}",
786 [(set R16:$dst, (and R16:$src1, imm:$src2))]>, OpSize;
787 def AND32ri : Ii32<0x81, MRM4r,
788 (ops R32:$dst, R32:$src1, i32imm:$src2),
789 "and{l} {$src2, $dst|$dst, $src2}",
790 [(set R32:$dst, (and R32:$src1, imm:$src2))]>;
791 def AND16ri8 : Ii8<0x83, MRM4r,
792 (ops R16:$dst, R16:$src1, i16i8imm:$src2),
793 "and{w} {$src2, $dst|$dst, $src2}",
794 [(set R16:$dst, (and R16:$src1, i16immSExt8:$src2))]>,
796 def AND32ri8 : Ii8<0x83, MRM4r,
797 (ops R32:$dst, R32:$src1, i32i8imm:$src2),
798 "and{l} {$src2, $dst|$dst, $src2}",
799 [(set R32:$dst, (and R32:$src1, i32immSExt8:$src2))]>;
801 let isTwoAddress = 0 in {
802 def AND8mr : I<0x20, MRMDestMem,
803 (ops i8mem :$dst, R8 :$src),
804 "and{b} {$src, $dst|$dst, $src}",
805 [(store (and (load addr:$dst), R8:$src), addr:$dst)]>;
806 def AND16mr : I<0x21, MRMDestMem,
807 (ops i16mem:$dst, R16:$src),
808 "and{w} {$src, $dst|$dst, $src}",
809 [(store (and (load addr:$dst), R16:$src), addr:$dst)]>,
811 def AND32mr : I<0x21, MRMDestMem,
812 (ops i32mem:$dst, R32:$src),
813 "and{l} {$src, $dst|$dst, $src}",
814 [(store (and (load addr:$dst), R32:$src), addr:$dst)]>;
815 def AND8mi : Ii8<0x80, MRM4m,
816 (ops i8mem :$dst, i8imm :$src),
817 "and{b} {$src, $dst|$dst, $src}",
818 [(store (and (load addr:$dst), (i8 imm:$src)), addr:$dst)]>;
819 def AND16mi : Ii16<0x81, MRM4m,
820 (ops i16mem:$dst, i16imm:$src),
821 "and{w} {$src, $dst|$dst, $src}",
822 [(store (and (load addr:$dst), (i16 imm:$src)), addr:$dst)]>,
824 def AND32mi : Ii32<0x81, MRM4m,
825 (ops i32mem:$dst, i32imm:$src),
826 "and{l} {$src, $dst|$dst, $src}",
827 [(store (and (load addr:$dst), (i32 imm:$src)), addr:$dst)]>;
828 def AND16mi8 : Ii8<0x83, MRM4m,
829 (ops i16mem:$dst, i16i8imm :$src),
830 "and{w} {$src, $dst|$dst, $src}",
831 [(store (and (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
833 def AND32mi8 : Ii8<0x83, MRM4m,
834 (ops i32mem:$dst, i32i8imm :$src),
835 "and{l} {$src, $dst|$dst, $src}",
836 [(store (add (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
840 let isCommutable = 1 in { // X = OR Y, Z --> X = OR Z, Y
841 def OR8rr : I<0x08, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
842 "or{b} {$src2, $dst|$dst, $src2}",
843 [(set R8:$dst, (or R8:$src1, R8:$src2))]>;
844 def OR16rr : I<0x09, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
845 "or{w} {$src2, $dst|$dst, $src2}",
846 [(set R16:$dst, (or R16:$src1, R16:$src2))]>, OpSize;
847 def OR32rr : I<0x09, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
848 "or{l} {$src2, $dst|$dst, $src2}",
849 [(set R32:$dst, (or R32:$src1, R32:$src2))]>;
851 def OR8rm : I<0x0A, MRMSrcMem , (ops R8 :$dst, R8 :$src1, i8mem :$src2),
852 "or{b} {$src2, $dst|$dst, $src2}",
853 [(set R8:$dst, (or R8:$src1, (load addr:$src2)))]>;
854 def OR16rm : I<0x0B, MRMSrcMem , (ops R16:$dst, R16:$src1, i16mem:$src2),
855 "or{w} {$src2, $dst|$dst, $src2}",
856 [(set R16:$dst, (or R16:$src1, (load addr:$src2)))]>, OpSize;
857 def OR32rm : I<0x0B, MRMSrcMem , (ops R32:$dst, R32:$src1, i32mem:$src2),
858 "or{l} {$src2, $dst|$dst, $src2}",
859 [(set R32:$dst, (or R32:$src1, (load addr:$src2)))]>;
861 def OR8ri : Ii8 <0x80, MRM1r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
862 "or{b} {$src2, $dst|$dst, $src2}",
863 [(set R8:$dst, (or R8:$src1, imm:$src2))]>;
864 def OR16ri : Ii16<0x81, MRM1r, (ops R16:$dst, R16:$src1, i16imm:$src2),
865 "or{w} {$src2, $dst|$dst, $src2}",
866 [(set R16:$dst, (or R16:$src1, imm:$src2))]>, OpSize;
867 def OR32ri : Ii32<0x81, MRM1r, (ops R32:$dst, R32:$src1, i32imm:$src2),
868 "or{l} {$src2, $dst|$dst, $src2}",
869 [(set R32:$dst, (or R32:$src1, imm:$src2))]>;
871 def OR16ri8 : Ii8<0x83, MRM1r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
872 "or{w} {$src2, $dst|$dst, $src2}",
873 [(set R16:$dst, (or R16:$src1, i16immSExt8:$src2))]>, OpSize;
874 def OR32ri8 : Ii8<0x83, MRM1r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
875 "or{l} {$src2, $dst|$dst, $src2}",
876 [(set R32:$dst, (or R32:$src1, i32immSExt8:$src2))]>;
877 let isTwoAddress = 0 in {
878 def OR8mr : I<0x08, MRMDestMem, (ops i8mem:$dst, R8:$src),
879 "or{b} {$src, $dst|$dst, $src}",
880 [(store (or (load addr:$dst), R8:$src), addr:$dst)]>;
881 def OR16mr : I<0x09, MRMDestMem, (ops i16mem:$dst, R16:$src),
882 "or{w} {$src, $dst|$dst, $src}",
883 [(store (or (load addr:$dst), R16:$src), addr:$dst)]>, OpSize;
884 def OR32mr : I<0x09, MRMDestMem, (ops i32mem:$dst, R32:$src),
885 "or{l} {$src, $dst|$dst, $src}",
886 [(store (or (load addr:$dst), R32:$src), addr:$dst)]>;
887 def OR8mi : Ii8<0x80, MRM1m, (ops i8mem :$dst, i8imm:$src),
888 "or{b} {$src, $dst|$dst, $src}",
889 [(store (or (load addr:$dst), (i8 imm:$src)), addr:$dst)]>;
890 def OR16mi : Ii16<0x81, MRM1m, (ops i16mem:$dst, i16imm:$src),
891 "or{w} {$src, $dst|$dst, $src}",
892 [(store (or (load addr:$dst), (i16 imm:$src)), addr:$dst)]>,
894 def OR32mi : Ii32<0x81, MRM1m, (ops i32mem:$dst, i32imm:$src),
895 "or{l} {$src, $dst|$dst, $src}",
896 [(store (or (load addr:$dst), (i32 imm:$src)), addr:$dst)]>;
897 def OR16mi8 : Ii8<0x83, MRM1m, (ops i16mem:$dst, i16i8imm:$src),
898 "or{w} {$src, $dst|$dst, $src}",
899 [(store (or (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
901 def OR32mi8 : Ii8<0x83, MRM1m, (ops i32mem:$dst, i32i8imm:$src),
902 "or{l} {$src, $dst|$dst, $src}",
903 [(store (or (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
907 let isCommutable = 1 in { // X = XOR Y, Z --> X = XOR Z, Y
908 def XOR8rr : I<0x30, MRMDestReg,
909 (ops R8 :$dst, R8 :$src1, R8 :$src2),
910 "xor{b} {$src2, $dst|$dst, $src2}",
911 [(set R8:$dst, (xor R8:$src1, R8:$src2))]>;
912 def XOR16rr : I<0x31, MRMDestReg,
913 (ops R16:$dst, R16:$src1, R16:$src2),
914 "xor{w} {$src2, $dst|$dst, $src2}",
915 [(set R16:$dst, (xor R16:$src1, R16:$src2))]>, OpSize;
916 def XOR32rr : I<0x31, MRMDestReg,
917 (ops R32:$dst, R32:$src1, R32:$src2),
918 "xor{l} {$src2, $dst|$dst, $src2}",
919 [(set R32:$dst, (xor R32:$src1, R32:$src2))]>;
922 def XOR8rm : I<0x32, MRMSrcMem ,
923 (ops R8 :$dst, R8:$src1, i8mem :$src2),
924 "xor{b} {$src2, $dst|$dst, $src2}",
925 [(set R8:$dst, (xor R8:$src1, (load addr:$src2)))]>;
926 def XOR16rm : I<0x33, MRMSrcMem ,
927 (ops R16:$dst, R16:$src1, i16mem:$src2),
928 "xor{w} {$src2, $dst|$dst, $src2}",
929 [(set R16:$dst, (xor R16:$src1, (load addr:$src2)))]>, OpSize;
930 def XOR32rm : I<0x33, MRMSrcMem ,
931 (ops R32:$dst, R32:$src1, i32mem:$src2),
932 "xor{l} {$src2, $dst|$dst, $src2}",
933 [(set R32:$dst, (xor R32:$src1, (load addr:$src2)))]>;
935 def XOR8ri : Ii8<0x80, MRM6r,
936 (ops R8:$dst, R8:$src1, i8imm:$src2),
937 "xor{b} {$src2, $dst|$dst, $src2}",
938 [(set R8:$dst, (xor R8:$src1, imm:$src2))]>;
939 def XOR16ri : Ii16<0x81, MRM6r,
940 (ops R16:$dst, R16:$src1, i16imm:$src2),
941 "xor{w} {$src2, $dst|$dst, $src2}",
942 [(set R16:$dst, (xor R16:$src1, imm:$src2))]>, OpSize;
943 def XOR32ri : Ii32<0x81, MRM6r,
944 (ops R32:$dst, R32:$src1, i32imm:$src2),
945 "xor{l} {$src2, $dst|$dst, $src2}",
946 [(set R32:$dst, (xor R32:$src1, imm:$src2))]>;
947 def XOR16ri8 : Ii8<0x83, MRM6r,
948 (ops R16:$dst, R16:$src1, i16i8imm:$src2),
949 "xor{w} {$src2, $dst|$dst, $src2}",
950 [(set R16:$dst, (xor R16:$src1, i16immSExt8:$src2))]>,
952 def XOR32ri8 : Ii8<0x83, MRM6r,
953 (ops R32:$dst, R32:$src1, i32i8imm:$src2),
954 "xor{l} {$src2, $dst|$dst, $src2}",
955 [(set R32:$dst, (xor R32:$src1, i32immSExt8:$src2))]>;
956 let isTwoAddress = 0 in {
957 def XOR8mr : I<0x30, MRMDestMem,
958 (ops i8mem :$dst, R8 :$src),
959 "xor{b} {$src, $dst|$dst, $src}",
960 [(store (xor (load addr:$dst), R8:$src), addr:$dst)]>;
961 def XOR16mr : I<0x31, MRMDestMem,
962 (ops i16mem:$dst, R16:$src),
963 "xor{w} {$src, $dst|$dst, $src}",
964 [(store (xor (load addr:$dst), R16:$src), addr:$dst)]>,
966 def XOR32mr : I<0x31, MRMDestMem,
967 (ops i32mem:$dst, R32:$src),
968 "xor{l} {$src, $dst|$dst, $src}",
969 [(store (xor (load addr:$dst), R32:$src), addr:$dst)]>;
970 def XOR8mi : Ii8<0x80, MRM6m,
971 (ops i8mem :$dst, i8imm :$src),
972 "xor{b} {$src, $dst|$dst, $src}",
973 [(store (xor (load addr:$dst), (i8 imm:$src)), addr:$dst)]>;
974 def XOR16mi : Ii16<0x81, MRM6m,
975 (ops i16mem:$dst, i16imm:$src),
976 "xor{w} {$src, $dst|$dst, $src}",
977 [(store (xor (load addr:$dst), (i16 imm:$src)), addr:$dst)]>,
979 def XOR32mi : Ii32<0x81, MRM6m,
980 (ops i32mem:$dst, i32imm:$src),
981 "xor{l} {$src, $dst|$dst, $src}",
982 [(store (xor (load addr:$dst), (i32 imm:$src)), addr:$dst)]>;
983 def XOR16mi8 : Ii8<0x83, MRM6m,
984 (ops i16mem:$dst, i16i8imm :$src),
985 "xor{w} {$src, $dst|$dst, $src}",
986 [(store (xor (load addr:$dst), i16immSExt8:$src), addr:$dst)]>,
988 def XOR32mi8 : Ii8<0x83, MRM6m,
989 (ops i32mem:$dst, i32i8imm :$src),
990 "xor{l} {$src, $dst|$dst, $src}",
991 [(store (xor (load addr:$dst), i32immSExt8:$src), addr:$dst)]>;
994 // Shift instructions
995 // FIXME: provide shorter instructions when imm8 == 1
996 def SHL8rCL : I<0xD2, MRM4r, (ops R8 :$dst, R8 :$src),
997 "shl{b} {%cl, $dst|$dst, %CL}",
998 [(set R8:$dst, (shl R8:$src, CL))]>, Imp<[CL],[]>;
999 def SHL16rCL : I<0xD3, MRM4r, (ops R16:$dst, R16:$src),
1000 "shl{w} {%cl, $dst|$dst, %CL}",
1001 [(set R16:$dst, (shl R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1002 def SHL32rCL : I<0xD3, MRM4r, (ops R32:$dst, R32:$src),
1003 "shl{l} {%cl, $dst|$dst, %CL}",
1004 [(set R32:$dst, (shl R32:$src, CL))]>, Imp<[CL],[]>;
1006 def SHL8ri : Ii8<0xC0, MRM4r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1007 "shl{b} {$src2, $dst|$dst, $src2}",
1008 [(set R8:$dst, (shl R8:$src1, (i8 imm:$src2)))]>;
1009 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1010 def SHL16ri : Ii8<0xC1, MRM4r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1011 "shl{w} {$src2, $dst|$dst, $src2}",
1012 [(set R16:$dst, (shl R16:$src1, (i8 imm:$src2)))]>, OpSize;
1013 def SHL32ri : Ii8<0xC1, MRM4r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1014 "shl{l} {$src2, $dst|$dst, $src2}",
1015 [(set R32:$dst, (shl R32:$src1, (i8 imm:$src2)))]>;
1018 let isTwoAddress = 0 in {
1019 def SHL8mCL : I<0xD2, MRM4m, (ops i8mem :$dst),
1020 "shl{b} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1021 def SHL16mCL : I<0xD3, MRM4m, (ops i16mem:$dst),
1022 "shl{w} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>, OpSize;
1023 def SHL32mCL : I<0xD3, MRM4m, (ops i32mem:$dst),
1024 "shl{l} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1025 def SHL8mi : Ii8<0xC0, MRM4m, (ops i8mem :$dst, i8imm:$src),
1026 "shl{b} {$src, $dst|$dst, $src}", []>;
1027 def SHL16mi : Ii8<0xC1, MRM4m, (ops i16mem:$dst, i8imm:$src),
1028 "shl{w} {$src, $dst|$dst, $src}", []>, OpSize;
1029 def SHL32mi : Ii8<0xC1, MRM4m, (ops i32mem:$dst, i8imm:$src),
1030 "shl{l} {$src, $dst|$dst, $src}", []>;
1033 def SHR8rCL : I<0xD2, MRM5r, (ops R8 :$dst, R8 :$src),
1034 "shr{b} {%cl, $dst|$dst, %CL}",
1035 [(set R8:$dst, (srl R8:$src, CL))]>, Imp<[CL],[]>;
1036 def SHR16rCL : I<0xD3, MRM5r, (ops R16:$dst, R16:$src),
1037 "shr{w} {%cl, $dst|$dst, %CL}",
1038 [(set R16:$dst, (srl R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1039 def SHR32rCL : I<0xD3, MRM5r, (ops R32:$dst, R32:$src),
1040 "shr{l} {%cl, $dst|$dst, %CL}",
1041 [(set R32:$dst, (srl R32:$src, CL))]>, Imp<[CL],[]>;
1043 def SHR8ri : Ii8<0xC0, MRM5r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1044 "shr{b} {$src2, $dst|$dst, $src2}",
1045 [(set R8:$dst, (srl R8:$src1, (i8 imm:$src2)))]>;
1046 def SHR16ri : Ii8<0xC1, MRM5r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1047 "shr{w} {$src2, $dst|$dst, $src2}",
1048 [(set R16:$dst, (srl R16:$src1, (i8 imm:$src2)))]>, OpSize;
1049 def SHR32ri : Ii8<0xC1, MRM5r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1050 "shr{l} {$src2, $dst|$dst, $src2}",
1051 [(set R32:$dst, (srl R32:$src1, (i8 imm:$src2)))]>;
1053 let isTwoAddress = 0 in {
1054 def SHR8mCL : I<0xD2, MRM5m, (ops i8mem :$dst),
1055 "shr{b} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1056 def SHR16mCL : I<0xD3, MRM5m, (ops i16mem:$dst),
1057 "shr{w} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>, OpSize;
1058 def SHR32mCL : I<0xD3, MRM5m, (ops i32mem:$dst),
1059 "shr{l} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1060 def SHR8mi : Ii8<0xC0, MRM5m, (ops i8mem :$dst, i8imm:$src),
1061 "shr{b} {$src, $dst|$dst, $src}", []>;
1062 def SHR16mi : Ii8<0xC1, MRM5m, (ops i16mem:$dst, i8imm:$src),
1063 "shr{w} {$src, $dst|$dst, $src}", []>, OpSize;
1064 def SHR32mi : Ii8<0xC1, MRM5m, (ops i32mem:$dst, i8imm:$src),
1065 "shr{l} {$src, $dst|$dst, $src}", []>;
1068 def SAR8rCL : I<0xD2, MRM7r, (ops R8 :$dst, R8 :$src),
1069 "sar{b} {%cl, $dst|$dst, %CL}",
1070 [(set R8:$dst, (sra R8:$src, CL))]>, Imp<[CL],[]>;
1071 def SAR16rCL : I<0xD3, MRM7r, (ops R16:$dst, R16:$src),
1072 "sar{w} {%cl, $dst|$dst, %CL}",
1073 [(set R16:$dst, (sra R16:$src, CL))]>, Imp<[CL],[]>, OpSize;
1074 def SAR32rCL : I<0xD3, MRM7r, (ops R32:$dst, R32:$src),
1075 "sar{l} {%cl, $dst|$dst, %CL}",
1076 [(set R32:$dst, (sra R32:$src, CL))]>, Imp<[CL],[]>;
1078 def SAR8ri : Ii8<0xC0, MRM7r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1079 "sar{b} {$src2, $dst|$dst, $src2}",
1080 [(set R8:$dst, (sra R8:$src1, (i8 imm:$src2)))]>;
1081 def SAR16ri : Ii8<0xC1, MRM7r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1082 "sar{w} {$src2, $dst|$dst, $src2}",
1083 [(set R16:$dst, (sra R16:$src1, (i8 imm:$src2)))]>,
1085 def SAR32ri : Ii8<0xC1, MRM7r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1086 "sar{l} {$src2, $dst|$dst, $src2}",
1087 [(set R32:$dst, (sra R32:$src1, (i8 imm:$src2)))]>;
1088 let isTwoAddress = 0 in {
1089 def SAR8mCL : I<0xD2, MRM7m, (ops i8mem :$dst),
1090 "sar{b} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1091 def SAR16mCL : I<0xD3, MRM7m, (ops i16mem:$dst),
1092 "sar{w} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>, OpSize;
1093 def SAR32mCL : I<0xD3, MRM7m, (ops i32mem:$dst),
1094 "sar{l} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1095 def SAR8mi : Ii8<0xC0, MRM7m, (ops i8mem :$dst, i8imm:$src),
1096 "sar{b} {$src, $dst|$dst, $src}", []>;
1097 def SAR16mi : Ii8<0xC1, MRM7m, (ops i16mem:$dst, i8imm:$src),
1098 "sar{w} {$src, $dst|$dst, $src}", []>, OpSize;
1099 def SAR32mi : Ii8<0xC1, MRM7m, (ops i32mem:$dst, i8imm:$src),
1100 "sar{l} {$src, $dst|$dst, $src}", []>;
1103 // Rotate instructions
1104 // FIXME: provide shorter instructions when imm8 == 1
1105 def ROL8rCL : I<0xD2, MRM0r, (ops R8 :$dst, R8 :$src),
1106 "rol{b} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1107 def ROL16rCL : I<0xD3, MRM0r, (ops R16:$dst, R16:$src),
1108 "rol{w} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>, OpSize;
1109 def ROL32rCL : I<0xD3, MRM0r, (ops R32:$dst, R32:$src),
1110 "rol{l} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1112 def ROL8ri : Ii8<0xC0, MRM0r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1113 "rol{b} {$src2, $dst|$dst, $src2}", []>;
1114 def ROL16ri : Ii8<0xC1, MRM0r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1115 "rol{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
1116 def ROL32ri : Ii8<0xC1, MRM0r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1117 "rol{l} {$src2, $dst|$dst, $src2}", []>;
1119 let isTwoAddress = 0 in {
1120 def ROL8mCL : I<0xD2, MRM0m, (ops i8mem :$dst),
1121 "rol{b} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1122 def ROL16mCL : I<0xD3, MRM0m, (ops i16mem:$dst),
1123 "rol{w} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>, OpSize;
1124 def ROL32mCL : I<0xD3, MRM0m, (ops i32mem:$dst),
1125 "rol{l} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1126 def ROL8mi : Ii8<0xC0, MRM0m, (ops i8mem :$dst, i8imm:$src),
1127 "rol{b} {$src, $dst|$dst, $src}", []>;
1128 def ROL16mi : Ii8<0xC1, MRM0m, (ops i16mem:$dst, i8imm:$src),
1129 "rol{w} {$src, $dst|$dst, $src}", []>, OpSize;
1130 def ROL32mi : Ii8<0xC1, MRM0m, (ops i32mem:$dst, i8imm:$src),
1131 "rol{l} {$src, $dst|$dst, $src}", []>;
1134 def ROR8rCL : I<0xD2, MRM1r, (ops R8 :$dst, R8 :$src),
1135 "ror{b} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1136 def ROR16rCL : I<0xD3, MRM1r, (ops R16:$dst, R16:$src),
1137 "ror{w} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>, OpSize;
1138 def ROR32rCL : I<0xD3, MRM1r, (ops R32:$dst, R32:$src),
1139 "ror{l} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1141 def ROR8ri : Ii8<0xC0, MRM1r, (ops R8 :$dst, R8 :$src1, i8imm:$src2),
1142 "ror{b} {$src2, $dst|$dst, $src2}", []>;
1143 def ROR16ri : Ii8<0xC1, MRM1r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1144 "ror{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
1145 def ROR32ri : Ii8<0xC1, MRM1r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1146 "ror{l} {$src2, $dst|$dst, $src2}", []>;
1147 let isTwoAddress = 0 in {
1148 def ROR8mCL : I<0xD2, MRM1m, (ops i8mem :$dst),
1149 "ror{b} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1150 def ROR16mCL : I<0xD3, MRM1m, (ops i16mem:$dst),
1151 "ror{w} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>, OpSize;
1152 def ROR32mCL : I<0xD3, MRM1m, (ops i32mem:$dst),
1153 "ror{l} {%cl, $dst|$dst, %CL}", []>, Imp<[CL],[]>;
1154 def ROR8mi : Ii8<0xC0, MRM1m, (ops i8mem :$dst, i8imm:$src),
1155 "ror{b} {$src, $dst|$dst, $src}", []>;
1156 def ROR16mi : Ii8<0xC1, MRM1m, (ops i16mem:$dst, i8imm:$src),
1157 "ror{w} {$src, $dst|$dst, $src}", []>, OpSize;
1158 def ROR32mi : Ii8<0xC1, MRM1m, (ops i32mem:$dst, i8imm:$src),
1159 "ror{l} {$src, $dst|$dst, $src}", []>;
1164 // Double shift instructions (generalizations of rotate)
1166 def SHLD32rrCL : I<0xA5, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1167 "shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}", []>,
1169 def SHRD32rrCL : I<0xAD, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1170 "shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}", []>,
1172 def SHLD16rrCL : I<0xA5, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1173 "shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}", []>,
1174 Imp<[CL],[]>, TB, OpSize;
1175 def SHRD16rrCL : I<0xAD, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1176 "shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}", []>,
1177 Imp<[CL],[]>, TB, OpSize;
1179 let isCommutable = 1 in { // These instructions commute to each other.
1180 def SHLD32rri8 : Ii8<0xA4, MRMDestReg,
1181 (ops R32:$dst, R32:$src1, R32:$src2, i8imm:$src3),
1182 "shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}", []>, TB;
1183 def SHRD32rri8 : Ii8<0xAC, MRMDestReg,
1184 (ops R32:$dst, R32:$src1, R32:$src2, i8imm:$src3),
1185 "shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}", []>, TB;
1186 def SHLD16rri8 : Ii8<0xA4, MRMDestReg,
1187 (ops R16:$dst, R16:$src1, R16:$src2, i8imm:$src3),
1188 "shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}", []>,
1190 def SHRD16rri8 : Ii8<0xAC, MRMDestReg,
1191 (ops R16:$dst, R16:$src1, R16:$src2, i8imm:$src3),
1192 "shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}", []>,
1196 let isTwoAddress = 0 in {
1197 def SHLD32mrCL : I<0xA5, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1198 "shld{l} {%cl, $src2, $dst|$dst, $src2, %CL}", []>,
1200 def SHRD32mrCL : I<0xAD, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1201 "shrd{l} {%cl, $src2, $dst|$dst, $src2, %CL}", []>,
1203 def SHLD32mri8 : Ii8<0xA4, MRMDestMem,
1204 (ops i32mem:$dst, R32:$src2, i8imm:$src3),
1205 "shld{l} {$src3, $src2, $dst|$dst, $src2, $src3}", []>,
1207 def SHRD32mri8 : Ii8<0xAC, MRMDestMem,
1208 (ops i32mem:$dst, R32:$src2, i8imm:$src3),
1209 "shrd{l} {$src3, $src2, $dst|$dst, $src2, $src3}", []>,
1212 def SHLD16mrCL : I<0xA5, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1213 "shld{w} {%cl, $src2, $dst|$dst, $src2, %CL}", []>,
1214 Imp<[CL],[]>, TB, OpSize;
1215 def SHRD16mrCL : I<0xAD, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1216 "shrd{w} {%cl, $src2, $dst|$dst, $src2, %CL}", []>,
1217 Imp<[CL],[]>, TB, OpSize;
1218 def SHLD16mri8 : Ii8<0xA4, MRMDestMem,
1219 (ops i16mem:$dst, R16:$src2, i8imm:$src3),
1220 "shld{w} {$src3, $src2, $dst|$dst, $src2, $src3}", []>,
1222 def SHRD16mri8 : Ii8<0xAC, MRMDestMem,
1223 (ops i16mem:$dst, R16:$src2, i8imm:$src3),
1224 "shrd{w} {$src3, $src2, $dst|$dst, $src2, $src3}", []>,
1230 let isCommutable = 1 in { // X = ADD Y, Z --> X = ADD Z, Y
1231 def ADD8rr : I<0x00, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
1232 "add{b} {$src2, $dst|$dst, $src2}",
1233 [(set R8:$dst, (add R8:$src1, R8:$src2))]>;
1234 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1235 def ADD16rr : I<0x01, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1236 "add{w} {$src2, $dst|$dst, $src2}",
1237 [(set R16:$dst, (add R16:$src1, R16:$src2))]>, OpSize;
1238 def ADD32rr : I<0x01, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1239 "add{l} {$src2, $dst|$dst, $src2}",
1240 [(set R32:$dst, (add R32:$src1, R32:$src2))]>;
1241 } // end isConvertibleToThreeAddress
1242 } // end isCommutable
1243 def ADD8rm : I<0x02, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1244 "add{b} {$src2, $dst|$dst, $src2}",
1245 [(set R8:$dst, (add R8:$src1, (load addr:$src2)))]>;
1246 def ADD16rm : I<0x03, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
1247 "add{w} {$src2, $dst|$dst, $src2}",
1248 [(set R16:$dst, (add R16:$src1, (load addr:$src2)))]>, OpSize;
1249 def ADD32rm : I<0x03, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1250 "add{l} {$src2, $dst|$dst, $src2}",
1251 [(set R32:$dst, (add R32:$src1, (load addr:$src2)))]>;
1253 def ADD8ri : Ii8<0x80, MRM0r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1254 "add{b} {$src2, $dst|$dst, $src2}",
1255 [(set R8:$dst, (add R8:$src1, imm:$src2))]>;
1257 let isConvertibleToThreeAddress = 1 in { // Can transform into LEA.
1258 def ADD16ri : Ii16<0x81, MRM0r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1259 "add{w} {$src2, $dst|$dst, $src2}",
1260 [(set R16:$dst, (add R16:$src1, imm:$src2))]>, OpSize;
1261 def ADD32ri : Ii32<0x81, MRM0r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1262 "add{l} {$src2, $dst|$dst, $src2}",
1263 [(set R32:$dst, (add R32:$src1, imm:$src2))]>;
1266 // FIXME: move ADD16ri8 above ADD16ri to optimize for space.
1267 def ADD16ri8 : Ii8<0x83, MRM0r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1268 "add{w} {$src2, $dst|$dst, $src2}",
1269 [(set R16:$dst, (add R16:$src1, i16immSExt8:$src2))]>,
1271 def ADD32ri8 : Ii8<0x83, MRM0r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1272 "add{l} {$src2, $dst|$dst, $src2}",
1273 [(set R32:$dst, (add R32:$src1, i32immSExt8:$src2))]>;
1275 let isTwoAddress = 0 in {
1276 def ADD8mr : I<0x00, MRMDestMem, (ops i8mem :$dst, R8 :$src2),
1277 "add{b} {$src2, $dst|$dst, $src2}",
1278 [(store (add (load addr:$dst), R8:$src2), addr:$dst)]>;
1279 def ADD16mr : I<0x01, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1280 "add{w} {$src2, $dst|$dst, $src2}",
1281 [(store (add (load addr:$dst), R16:$src2), addr:$dst)]>,
1283 def ADD32mr : I<0x01, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1284 "add{l} {$src2, $dst|$dst, $src2}",
1285 [(store (add (load addr:$dst), R32:$src2), addr:$dst)]>;
1286 def ADD8mi : Ii8<0x80, MRM0m, (ops i8mem :$dst, i8imm :$src2),
1287 "add{b} {$src2, $dst|$dst, $src2}",
1288 [(store (add (load addr:$dst), (i8 imm:$src2)), addr:$dst)]>;
1289 def ADD16mi : Ii16<0x81, MRM0m, (ops i16mem:$dst, i16imm:$src2),
1290 "add{w} {$src2, $dst|$dst, $src2}",
1291 [(store (add (load addr:$dst), (i16 imm:$src2)), addr:$dst)]>,
1293 def ADD32mi : Ii32<0x81, MRM0m, (ops i32mem:$dst, i32imm:$src2),
1294 "add{l} {$src2, $dst|$dst, $src2}",
1295 [(store (add (load addr:$dst), (i32 imm:$src2)), addr:$dst)]>;
1296 def ADD16mi8 : Ii8<0x83, MRM0m, (ops i16mem:$dst, i16i8imm :$src2),
1297 "add{w} {$src2, $dst|$dst, $src2}",
1298 [(store (add (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1300 def ADD32mi8 : Ii8<0x83, MRM0m, (ops i32mem:$dst, i32i8imm :$src2),
1301 "add{l} {$src2, $dst|$dst, $src2}",
1302 [(store (add (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1305 let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y
1306 def ADC32rr : I<0x11, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1307 "adc{l} {$src2, $dst|$dst, $src2}", []>;
1309 def ADC32rm : I<0x13, MRMSrcMem , (ops R32:$dst, R32:$src1, i32mem:$src2),
1310 "adc{l} {$src2, $dst|$dst, $src2}", []>;
1311 def ADC32ri : Ii32<0x81, MRM2r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1312 "adc{l} {$src2, $dst|$dst, $src2}", []>;
1313 def ADC32ri8 : Ii8<0x83, MRM2r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1314 "adc{l} {$src2, $dst|$dst, $src2}", []>;
1316 let isTwoAddress = 0 in {
1317 def ADC32mr : I<0x11, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1318 "adc{l} {$src2, $dst|$dst, $src2}", []>;
1319 def ADC32mi : Ii32<0x81, MRM2m, (ops i32mem:$dst, i32imm:$src2),
1320 "adc{l} {$src2, $dst|$dst, $src2}", []>;
1321 def ADC32mi8 : Ii8<0x83, MRM2m, (ops i32mem:$dst, i8imm :$src2),
1322 "adc{l} {$src2, $dst|$dst, $src2}", []>;
1325 def SUB8rr : I<0x28, MRMDestReg, (ops R8 :$dst, R8 :$src1, R8 :$src2),
1326 "sub{b} {$src2, $dst|$dst, $src2}",
1327 [(set R8:$dst, (sub R8:$src1, R8:$src2))]>;
1328 def SUB16rr : I<0x29, MRMDestReg, (ops R16:$dst, R16:$src1, R16:$src2),
1329 "sub{w} {$src2, $dst|$dst, $src2}",
1330 [(set R16:$dst, (sub R16:$src1, R16:$src2))]>, OpSize;
1331 def SUB32rr : I<0x29, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1332 "sub{l} {$src2, $dst|$dst, $src2}",
1333 [(set R32:$dst, (sub R32:$src1, R32:$src2))]>;
1334 def SUB8rm : I<0x2A, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2),
1335 "sub{b} {$src2, $dst|$dst, $src2}",
1336 [(set R8:$dst, (sub R8:$src1, (load addr:$src2)))]>;
1337 def SUB16rm : I<0x2B, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
1338 "sub{w} {$src2, $dst|$dst, $src2}",
1339 [(set R16:$dst, (sub R16:$src1, (load addr:$src2)))]>, OpSize;
1340 def SUB32rm : I<0x2B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1341 "sub{l} {$src2, $dst|$dst, $src2}",
1342 [(set R32:$dst, (sub R32:$src1, (load addr:$src2)))]>;
1344 def SUB8ri : Ii8 <0x80, MRM5r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1345 "sub{b} {$src2, $dst|$dst, $src2}",
1346 [(set R8:$dst, (sub R8:$src1, imm:$src2))]>;
1347 def SUB16ri : Ii16<0x81, MRM5r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1348 "sub{w} {$src2, $dst|$dst, $src2}",
1349 [(set R16:$dst, (sub R16:$src1, imm:$src2))]>, OpSize;
1350 def SUB32ri : Ii32<0x81, MRM5r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1351 "sub{l} {$src2, $dst|$dst, $src2}",
1352 [(set R32:$dst, (sub R32:$src1, imm:$src2))]>;
1353 def SUB16ri8 : Ii8<0x83, MRM5r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1354 "sub{w} {$src2, $dst|$dst, $src2}",
1355 [(set R16:$dst, (sub R16:$src1, i16immSExt8:$src2))]>,
1357 def SUB32ri8 : Ii8<0x83, MRM5r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1358 "sub{l} {$src2, $dst|$dst, $src2}",
1359 [(set R32:$dst, (sub R32:$src1, i32immSExt8:$src2))]>;
1360 let isTwoAddress = 0 in {
1361 def SUB8mr : I<0x28, MRMDestMem, (ops i8mem :$dst, R8 :$src2),
1362 "sub{b} {$src2, $dst|$dst, $src2}",
1363 [(store (sub (load addr:$dst), R8:$src2), addr:$dst)]>;
1364 def SUB16mr : I<0x29, MRMDestMem, (ops i16mem:$dst, R16:$src2),
1365 "sub{w} {$src2, $dst|$dst, $src2}",
1366 [(store (sub (load addr:$dst), R16:$src2), addr:$dst)]>,
1368 def SUB32mr : I<0x29, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1369 "sub{l} {$src2, $dst|$dst, $src2}",
1370 [(store (sub (load addr:$dst), R32:$src2), addr:$dst)]>;
1371 def SUB8mi : Ii8<0x80, MRM5m, (ops i8mem :$dst, i8imm:$src2),
1372 "sub{b} {$src2, $dst|$dst, $src2}",
1373 [(store (sub (load addr:$dst), (i8 imm:$src2)), addr:$dst)]>;
1374 def SUB16mi : Ii16<0x81, MRM5m, (ops i16mem:$dst, i16imm:$src2),
1375 "sub{w} {$src2, $dst|$dst, $src2}",
1376 [(store (sub (load addr:$dst), (i16 imm:$src2)), addr:$dst)]>,
1378 def SUB32mi : Ii32<0x81, MRM5m, (ops i32mem:$dst, i32imm:$src2),
1379 "sub{l} {$src2, $dst|$dst, $src2}",
1380 [(store (sub (load addr:$dst), (i32 imm:$src2)), addr:$dst)]>;
1381 def SUB16mi8 : Ii8<0x83, MRM5m, (ops i16mem:$dst, i16i8imm :$src2),
1382 "sub{w} {$src2, $dst|$dst, $src2}",
1383 [(store (sub (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
1385 def SUB32mi8 : Ii8<0x83, MRM5m, (ops i32mem:$dst, i32i8imm :$src2),
1386 "sub{l} {$src2, $dst|$dst, $src2}",
1387 [(store (sub (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
1390 def SBB32rr : I<0x19, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
1391 "sbb{l} {$src2, $dst|$dst, $src2}", []>;
1393 let isTwoAddress = 0 in {
1394 def SBB32mr : I<0x19, MRMDestMem, (ops i32mem:$dst, R32:$src2),
1395 "sbb{l} {$src2, $dst|$dst, $src2}", []>;
1396 def SBB8mi : Ii32<0x80, MRM3m, (ops i8mem:$dst, i8imm:$src2),
1397 "sbb{b} {$src2, $dst|$dst, $src2}", []>;
1398 def SBB16mi : Ii32<0x81, MRM3m, (ops i16mem:$dst, i16imm:$src2),
1399 "sbb{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
1400 def SBB32mi : Ii32<0x81, MRM3m, (ops i32mem:$dst, i32imm:$src2),
1401 "sbb{l} {$src2, $dst|$dst, $src2}", []>;
1402 def SBB16mi8 : Ii8<0x83, MRM3m, (ops i16mem:$dst, i8imm :$src2),
1403 "sbb{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
1404 def SBB32mi8 : Ii8<0x83, MRM3m, (ops i32mem:$dst, i8imm :$src2),
1405 "sbb{l} {$src2, $dst|$dst, $src2}", []>;
1407 def SBB8ri : Ii8<0x80, MRM3r, (ops R8:$dst, R8:$src1, i8imm:$src2),
1408 "sbb{b} {$src2, $dst|$dst, $src2}", []>;
1409 def SBB16ri : Ii16<0x81, MRM3r, (ops R16:$dst, R16:$src1, i16imm:$src2),
1410 "sbb{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
1412 def SBB32rm : I<0x1B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1413 "sbb{l} {$src2, $dst|$dst, $src2}", []>;
1414 def SBB32ri : Ii32<0x81, MRM3r, (ops R32:$dst, R32:$src1, i32imm:$src2),
1415 "sbb{l} {$src2, $dst|$dst, $src2}", []>;
1417 def SBB16ri8 : Ii8<0x83, MRM3r, (ops R16:$dst, R16:$src1, i8imm:$src2),
1418 "sbb{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
1419 def SBB32ri8 : Ii8<0x83, MRM3r, (ops R32:$dst, R32:$src1, i8imm:$src2),
1420 "sbb{l} {$src2, $dst|$dst, $src2}", []>;
1422 let isCommutable = 1 in { // X = IMUL Y, Z --> X = IMUL Z, Y
1423 def IMUL16rr : I<0xAF, MRMSrcReg, (ops R16:$dst, R16:$src1, R16:$src2),
1424 "imul{w} {$src2, $dst|$dst, $src2}",
1425 [(set R16:$dst, (mul R16:$src1, R16:$src2))]>, TB, OpSize;
1426 def IMUL32rr : I<0xAF, MRMSrcReg, (ops R32:$dst, R32:$src1, R32:$src2),
1427 "imul{l} {$src2, $dst|$dst, $src2}",
1428 [(set R32:$dst, (mul R32:$src1, R32:$src2))]>, TB;
1430 def IMUL16rm : I<0xAF, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
1431 "imul{w} {$src2, $dst|$dst, $src2}",
1432 [(set R16:$dst, (mul R16:$src1, (load addr:$src2)))]>,
1434 def IMUL32rm : I<0xAF, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
1435 "imul{l} {$src2, $dst|$dst, $src2}",
1436 [(set R32:$dst, (mul R32:$src1, (load addr:$src2)))]>, TB;
1438 } // end Two Address instructions
1440 // Suprisingly enough, these are not two address instructions!
1441 def IMUL16rri : Ii16<0x69, MRMSrcReg, // R16 = R16*I16
1442 (ops R16:$dst, R16:$src1, i16imm:$src2),
1443 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1444 [(set R16:$dst, (mul R16:$src1, imm:$src2))]>, OpSize;
1445 def IMUL32rri : Ii32<0x69, MRMSrcReg, // R32 = R32*I32
1446 (ops R32:$dst, R32:$src1, i32imm:$src2),
1447 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1448 [(set R32:$dst, (mul R32:$src1, imm:$src2))]>;
1449 def IMUL16rri8 : Ii8<0x6B, MRMSrcReg, // R16 = R16*I8
1450 (ops R16:$dst, R16:$src1, i16i8imm:$src2),
1451 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1452 [(set R16:$dst, (mul R16:$src1, i16immSExt8:$src2))]>,
1454 def IMUL32rri8 : Ii8<0x6B, MRMSrcReg, // R32 = R32*I8
1455 (ops R32:$dst, R32:$src1, i32i8imm:$src2),
1456 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1457 [(set R32:$dst, (mul R32:$src1, i32immSExt8:$src2))]>;
1459 def IMUL16rmi : Ii16<0x69, MRMSrcMem, // R16 = [mem16]*I16
1460 (ops R16:$dst, i16mem:$src1, i16imm:$src2),
1461 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1462 [(set R16:$dst, (mul (load addr:$src1), imm:$src2))]>,
1464 def IMUL32rmi : Ii32<0x69, MRMSrcMem, // R32 = [mem32]*I32
1465 (ops R32:$dst, i32mem:$src1, i32imm:$src2),
1466 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1467 [(set R32:$dst, (mul (load addr:$src1), imm:$src2))]>;
1468 def IMUL16rmi8 : Ii8<0x6B, MRMSrcMem, // R16 = [mem16]*I8
1469 (ops R16:$dst, i16mem:$src1, i16i8imm :$src2),
1470 "imul{w} {$src2, $src1, $dst|$dst, $src1, $src2}",
1471 [(set R16:$dst, (mul (load addr:$src1), i16immSExt8:$src2))]>,
1473 def IMUL32rmi8 : Ii8<0x6B, MRMSrcMem, // R32 = [mem32]*I8
1474 (ops R32:$dst, i32mem:$src1, i32i8imm: $src2),
1475 "imul{l} {$src2, $src1, $dst|$dst, $src1, $src2}",
1476 [(set R32:$dst, (mul (load addr:$src1), i32immSExt8:$src2))]>;
1478 //===----------------------------------------------------------------------===//
1479 // Test instructions are just like AND, except they don't generate a result.
1481 let isCommutable = 1 in { // TEST X, Y --> TEST Y, X
1482 def TEST8rr : I<0x84, MRMDestReg, (ops R8:$src1, R8:$src2),
1483 "test{b} {$src2, $src1|$src1, $src2}", []>;
1484 def TEST16rr : I<0x85, MRMDestReg, (ops R16:$src1, R16:$src2),
1485 "test{w} {$src2, $src1|$src1, $src2}", []>, OpSize;
1486 def TEST32rr : I<0x85, MRMDestReg, (ops R32:$src1, R32:$src2),
1487 "test{l} {$src2, $src1|$src1, $src2}", []>;
1489 def TEST8mr : I<0x84, MRMDestMem, (ops i8mem :$src1, R8 :$src2),
1490 "test{b} {$src2, $src1|$src1, $src2}", []>;
1491 def TEST16mr : I<0x85, MRMDestMem, (ops i16mem:$src1, R16:$src2),
1492 "test{w} {$src2, $src1|$src1, $src2}", []>, OpSize;
1493 def TEST32mr : I<0x85, MRMDestMem, (ops i32mem:$src1, R32:$src2),
1494 "test{l} {$src2, $src1|$src1, $src2}", []>;
1495 def TEST8rm : I<0x84, MRMSrcMem, (ops R8 :$src1, i8mem :$src2),
1496 "test{b} {$src2, $src1|$src1, $src2}", []>;
1497 def TEST16rm : I<0x85, MRMSrcMem, (ops R16:$src1, i16mem:$src2),
1498 "test{w} {$src2, $src1|$src1, $src2}", []>, OpSize;
1499 def TEST32rm : I<0x85, MRMSrcMem, (ops R32:$src1, i32mem:$src2),
1500 "test{l} {$src2, $src1|$src1, $src2}", []>;
1502 def TEST8ri : Ii8 <0xF6, MRM0r, // flags = R8 & imm8
1503 (ops R8:$src1, i8imm:$src2),
1504 "test{b} {$src2, $src1|$src1, $src2}", []>;
1505 def TEST16ri : Ii16<0xF7, MRM0r, // flags = R16 & imm16
1506 (ops R16:$src1, i16imm:$src2),
1507 "test{w} {$src2, $src1|$src1, $src2}", []>, OpSize;
1508 def TEST32ri : Ii32<0xF7, MRM0r, // flags = R32 & imm32
1509 (ops R32:$src1, i32imm:$src2),
1510 "test{l} {$src2, $src1|$src1, $src2}", []>;
1511 def TEST8mi : Ii8 <0xF6, MRM0m, // flags = [mem8] & imm8
1512 (ops i32mem:$src1, i8imm:$src2),
1513 "test{b} {$src2, $src1|$src1, $src2}", []>;
1514 def TEST16mi : Ii16<0xF7, MRM0m, // flags = [mem16] & imm16
1515 (ops i16mem:$src1, i16imm:$src2),
1516 "test{w} {$src2, $src1|$src1, $src2}", []>, OpSize;
1517 def TEST32mi : Ii32<0xF7, MRM0m, // flags = [mem32] & imm32
1518 (ops i32mem:$src1, i32imm:$src2),
1519 "test{l} {$src2, $src1|$src1, $src2}", []>;
1523 // Condition code ops, incl. set if equal/not equal/...
1524 def SAHF : I<0x9E, RawFrm, (ops), "sahf", []>, Imp<[AH],[]>; // flags = AH
1525 def LAHF : I<0x9F, RawFrm, (ops), "lahf", []>, Imp<[],[AH]>; // AH = flags
1527 def SETBr : I<0x92, MRM0r,
1528 (ops R8 :$dst), "setb $dst", []>, TB; // R8 = < unsign
1529 def SETBm : I<0x92, MRM0m,
1530 (ops i8mem:$dst), "setb $dst", []>, TB; // [mem8] = < unsign
1531 def SETAEr : I<0x93, MRM0r,
1532 (ops R8 :$dst), "setae $dst", []>, TB; // R8 = >= unsign
1533 def SETAEm : I<0x93, MRM0m,
1534 (ops i8mem:$dst), "setae $dst", []>, TB; // [mem8] = >= unsign
1535 def SETEr : I<0x94, MRM0r,
1536 (ops R8 :$dst), "sete $dst", []>, TB; // R8 = ==
1537 def SETEm : I<0x94, MRM0m,
1538 (ops i8mem:$dst), "sete $dst", []>, TB; // [mem8] = ==
1539 def SETNEr : I<0x95, MRM0r,
1540 (ops R8 :$dst), "setne $dst", []>, TB; // R8 = !=
1541 def SETNEm : I<0x95, MRM0m,
1542 (ops i8mem:$dst), "setne $dst", []>, TB; // [mem8] = !=
1543 def SETBEr : I<0x96, MRM0r,
1544 (ops R8 :$dst), "setbe $dst", []>, TB; // R8 = <= unsign
1545 def SETBEm : I<0x96, MRM0m,
1546 (ops i8mem:$dst), "setbe $dst", []>, TB; // [mem8] = <= unsign
1547 def SETAr : I<0x97, MRM0r,
1548 (ops R8 :$dst), "seta $dst", []>, TB; // R8 = > signed
1549 def SETAm : I<0x97, MRM0m,
1550 (ops i8mem:$dst), "seta $dst", []>, TB; // [mem8] = > signed
1551 def SETSr : I<0x98, MRM0r,
1552 (ops R8 :$dst), "sets $dst", []>, TB; // R8 = <sign bit>
1553 def SETSm : I<0x98, MRM0m,
1554 (ops i8mem:$dst), "sets $dst", []>, TB; // [mem8] = <sign bit>
1555 def SETNSr : I<0x99, MRM0r,
1556 (ops R8 :$dst), "setns $dst", []>, TB; // R8 = !<sign bit>
1557 def SETNSm : I<0x99, MRM0m,
1558 (ops i8mem:$dst), "setns $dst", []>, TB; // [mem8] = !<sign bit>
1559 def SETPr : I<0x9A, MRM0r,
1560 (ops R8 :$dst), "setp $dst", []>, TB; // R8 = parity
1561 def SETPm : I<0x9A, MRM0m,
1562 (ops i8mem:$dst), "setp $dst", []>, TB; // [mem8] = parity
1563 def SETNPr : I<0x9B, MRM0r,
1564 (ops R8 :$dst), "setnp $dst", []>, TB; // R8 = not parity
1565 def SETNPm : I<0x9B, MRM0m,
1566 (ops i8mem:$dst), "setnp $dst", []>, TB; // [mem8] = not parity
1567 def SETLr : I<0x9C, MRM0r,
1568 (ops R8 :$dst), "setl $dst", []>, TB; // R8 = < signed
1569 def SETLm : I<0x9C, MRM0m,
1570 (ops i8mem:$dst), "setl $dst", []>, TB; // [mem8] = < signed
1571 def SETGEr : I<0x9D, MRM0r,
1572 (ops R8 :$dst), "setge $dst", []>, TB; // R8 = >= signed
1573 def SETGEm : I<0x9D, MRM0m,
1574 (ops i8mem:$dst), "setge $dst", []>, TB; // [mem8] = >= signed
1575 def SETLEr : I<0x9E, MRM0r,
1576 (ops R8 :$dst), "setle $dst", []>, TB; // R8 = <= signed
1577 def SETLEm : I<0x9E, MRM0m,
1578 (ops i8mem:$dst), "setle $dst", []>, TB; // [mem8] = <= signed
1579 def SETGr : I<0x9F, MRM0r,
1580 (ops R8 :$dst), "setg $dst", []>, TB; // R8 = < signed
1581 def SETGm : I<0x9F, MRM0m,
1582 (ops i8mem:$dst), "setg $dst", []>, TB; // [mem8] = < signed
1584 // Integer comparisons
1585 def CMP8rr : I<0x38, MRMDestReg,
1586 (ops R8 :$src1, R8 :$src2),
1587 "cmp{b} {$src2, $src1|$src1, $src2}", []>;
1588 def CMP16rr : I<0x39, MRMDestReg,
1589 (ops R16:$src1, R16:$src2),
1590 "cmp{w} {$src2, $src1|$src1, $src2}", []>, OpSize;
1591 def CMP32rr : I<0x39, MRMDestReg,
1592 (ops R32:$src1, R32:$src2),
1593 "cmp{l} {$src2, $src1|$src1, $src2}", []>;
1594 def CMP8mr : I<0x38, MRMDestMem,
1595 (ops i8mem :$src1, R8 :$src2),
1596 "cmp{b} {$src2, $src1|$src1, $src2}", []>;
1597 def CMP16mr : I<0x39, MRMDestMem,
1598 (ops i16mem:$src1, R16:$src2),
1599 "cmp{w} {$src2, $src1|$src1, $src2}", []>, OpSize;
1600 def CMP32mr : I<0x39, MRMDestMem,
1601 (ops i32mem:$src1, R32:$src2),
1602 "cmp{l} {$src2, $src1|$src1, $src2}", []>;
1603 def CMP8rm : I<0x3A, MRMSrcMem,
1604 (ops R8 :$src1, i8mem :$src2),
1605 "cmp{b} {$src2, $src1|$src1, $src2}", []>;
1606 def CMP16rm : I<0x3B, MRMSrcMem,
1607 (ops R16:$src1, i16mem:$src2),
1608 "cmp{w} {$src2, $src1|$src1, $src2}", []>, OpSize;
1609 def CMP32rm : I<0x3B, MRMSrcMem,
1610 (ops R32:$src1, i32mem:$src2),
1611 "cmp{l} {$src2, $src1|$src1, $src2}", []>;
1612 def CMP8ri : Ii8<0x80, MRM7r,
1613 (ops R16:$src1, i8imm:$src2),
1614 "cmp{b} {$src2, $src1|$src1, $src2}", []>;
1615 def CMP16ri : Ii16<0x81, MRM7r,
1616 (ops R16:$src1, i16imm:$src2),
1617 "cmp{w} {$src2, $src1|$src1, $src2}", []>, OpSize;
1618 def CMP32ri : Ii32<0x81, MRM7r,
1619 (ops R32:$src1, i32imm:$src2),
1620 "cmp{l} {$src2, $src1|$src1, $src2}", []>;
1621 def CMP8mi : Ii8 <0x80, MRM7m,
1622 (ops i8mem :$src1, i8imm :$src2),
1623 "cmp{b} {$src2, $src1|$src1, $src2}", []>;
1624 def CMP16mi : Ii16<0x81, MRM7m,
1625 (ops i16mem:$src1, i16imm:$src2),
1626 "cmp{w} {$src2, $src1|$src1, $src2}", []>, OpSize;
1627 def CMP32mi : Ii32<0x81, MRM7m,
1628 (ops i32mem:$src1, i32imm:$src2),
1629 "cmp{l} {$src2, $src1|$src1, $src2}", []>;
1631 // Sign/Zero extenders
1632 def MOVSX16rr8 : I<0xBE, MRMSrcReg, (ops R16:$dst, R8 :$src),
1633 "movs{bw|x} {$src, $dst|$dst, $src}",
1634 [(set R16:$dst, (sext R8:$src))]>, TB, OpSize;
1635 def MOVSX16rm8 : I<0xBE, MRMSrcMem, (ops R16:$dst, i8mem :$src),
1636 "movs{bw|x} {$src, $dst|$dst, $src}", []>, TB, OpSize;
1637 def MOVSX32rr8 : I<0xBE, MRMSrcReg, (ops R32:$dst, R8 :$src),
1638 "movs{bl|x} {$src, $dst|$dst, $src}",
1639 [(set R32:$dst, (sext R8:$src))]>, TB;
1640 def MOVSX32rm8 : I<0xBE, MRMSrcMem, (ops R32:$dst, i8mem :$src),
1641 "movs{bl|x} {$src, $dst|$dst, $src}", []>, TB;
1642 def MOVSX32rr16: I<0xBF, MRMSrcReg, (ops R32:$dst, R16:$src),
1643 "movs{wl|x} {$src, $dst|$dst, $src}",
1644 [(set R32:$dst, (sext R16:$src))]>, TB;
1645 def MOVSX32rm16: I<0xBF, MRMSrcMem, (ops R32:$dst, i16mem:$src),
1646 "movs{wl|x} {$src, $dst|$dst, $src}", []>, TB;
1648 def MOVZX16rr8 : I<0xB6, MRMSrcReg, (ops R16:$dst, R8 :$src),
1649 "movz{bw|x} {$src, $dst|$dst, $src}",
1650 [(set R16:$dst, (zext R8:$src))]>, TB, OpSize;
1651 def MOVZX16rm8 : I<0xB6, MRMSrcMem, (ops R16:$dst, i8mem :$src),
1652 "movz{bw|x} {$src, $dst|$dst, $src}", []>, TB, OpSize;
1653 def MOVZX32rr8 : I<0xB6, MRMSrcReg, (ops R32:$dst, R8 :$src),
1654 "movz{bl|x} {$src, $dst|$dst, $src}",
1655 [(set R32:$dst, (zext R8:$src))]>, TB;
1656 def MOVZX32rm8 : I<0xB6, MRMSrcMem, (ops R32:$dst, i8mem :$src),
1657 "movz{bl|x} {$src, $dst|$dst, $src}", []>, TB;
1658 def MOVZX32rr16: I<0xB7, MRMSrcReg, (ops R32:$dst, R16:$src),
1659 "movz{wl|x} {$src, $dst|$dst, $src}",
1660 [(set R32:$dst, (zext R16:$src))]>, TB;
1661 def MOVZX32rm16: I<0xB7, MRMSrcMem, (ops R32:$dst, i16mem:$src),
1662 "movz{wl|x} {$src, $dst|$dst, $src}", []>, TB;
1664 //===----------------------------------------------------------------------===//
1665 // XMM Floating point support (requires SSE2)
1666 //===----------------------------------------------------------------------===//
1668 def MOVSSrr : I<0x10, MRMSrcReg, (ops V4F4:$dst, V4F4:$src),
1669 "movss {$src, $dst|$dst, $src}", []>, XS;
1670 def MOVSSrm : I<0x10, MRMSrcMem, (ops V4F4:$dst, f32mem:$src),
1671 "movss {$src, $dst|$dst, $src}", []>, XS;
1672 def MOVSSmr : I<0x11, MRMDestMem, (ops f32mem:$dst, V4F4:$src),
1673 "movss {$src, $dst|$dst, $src}", []>, XS;
1674 def MOVSDrr : I<0x10, MRMSrcReg, (ops V2F8:$dst, V2F8:$src),
1675 "movsd {$src, $dst|$dst, $src}", []>, XD;
1676 def MOVSDrm : I<0x10, MRMSrcMem, (ops V2F8:$dst, f64mem:$src),
1677 "movsd {$src, $dst|$dst, $src}", []>, XD;
1678 def MOVSDmr : I<0x11, MRMDestMem, (ops f64mem:$dst, V2F8:$src),
1679 "movsd {$src, $dst|$dst, $src}", []>, XD;
1681 def CVTTSD2SIrr: I<0x2C, MRMSrcReg, (ops R32:$dst, V2F8:$src),
1682 "cvttsd2si {$src, $dst|$dst, $src}",
1683 [(set R32:$dst, (fp_to_sint V2F8:$src))]>, XD;
1684 def CVTTSD2SIrm: I<0x2C, MRMSrcMem, (ops R32:$dst, f64mem:$src),
1685 "cvttsd2si {$src, $dst|$dst, $src}", []>, XD;
1686 def CVTTSS2SIrr: I<0x2C, MRMSrcReg, (ops R32:$dst, V4F4:$src),
1687 "cvttss2si {$src, $dst|$dst, $src}",
1688 [(set R32:$dst, (fp_to_sint V4F4:$src))]>, XS;
1689 def CVTTSS2SIrm: I<0x2C, MRMSrcMem, (ops R32:$dst, f32mem:$src),
1690 "cvttss2si {$src, $dst|$dst, $src}", []>, XS;
1691 def CVTSD2SSrr: I<0x5A, MRMSrcReg, (ops V4F4:$dst, V2F8:$src),
1692 "cvtsd2ss {$src, $dst|$dst, $src}",
1693 [(set V4F4:$dst, (fround V2F8:$src))]>, XS;
1694 def CVTSD2SSrm: I<0x5A, MRMSrcMem, (ops V4F4:$dst, f64mem:$src),
1695 "cvtsd2ss {$src, $dst|$dst, $src}", []>, XS;
1696 def CVTSS2SDrr: I<0x5A, MRMSrcReg, (ops V2F8:$dst, V4F4:$src),
1697 "cvtss2sd {$src, $dst|$dst, $src}",
1698 [(set V2F8:$dst, (fextend V4F4:$src))]>, XD;
1699 def CVTSS2SDrm: I<0x5A, MRMSrcMem, (ops V2F8:$dst, f32mem:$src),
1700 "cvtss2sd {$src, $dst|$dst, $src}", []>, XD;
1701 def CVTSI2SSrr: I<0x2A, MRMSrcReg, (ops V4F4:$dst, R32:$src),
1702 "cvtsi2ss {$src, $dst|$dst, $src}",
1703 [(set V4F4:$dst, (sint_to_fp R32:$src))]>, XS;
1704 def CVTSI2SSrm: I<0x2A, MRMSrcMem, (ops V4F4:$dst, i32mem:$src),
1705 "cvtsi2ss {$src, $dst|$dst, $src}", []>, XS;
1706 def CVTSI2SDrr: I<0x2A, MRMSrcReg, (ops V2F8:$dst, R32:$src),
1707 "cvtsi2sd {$src, $dst|$dst, $src}",
1708 [(set V2F8:$dst, (sint_to_fp R32:$src))]>, XD;
1709 def CVTSI2SDrm: I<0x2A, MRMSrcMem, (ops V2F8:$dst, i32mem:$src),
1710 "cvtsi2sd {$src, $dst|$dst, $src}", []>, XD;
1712 def SQRTSSrm : I<0x51, MRMSrcMem, (ops V4F4:$dst, f32mem:$src),
1713 "sqrtss {$src, $dst|$dst, $src}", []>, XS;
1714 def SQRTSSrr : I<0x51, MRMSrcReg, (ops V4F4:$dst, V4F4:$src),
1715 "sqrtss {$src, $dst|$dst, $src}",
1716 [(set V4F4:$dst, (fsqrt V4F4:$src))]>, XS;
1717 def SQRTSDrm : I<0x51, MRMSrcMem, (ops V2F8:$dst, f64mem:$src),
1718 "sqrtsd {$src, $dst|$dst, $src}", []>, XD;
1719 def SQRTSDrr : I<0x51, MRMSrcReg, (ops V2F8:$dst, V2F8:$src),
1720 "sqrtsd {$src, $dst|$dst, $src}",
1721 [(set V2F8:$dst, (fsqrt V2F8:$src))]>, XD;
1723 def UCOMISDrr: I<0x2E, MRMSrcReg, (ops V2F8:$dst, V2F8:$src),
1724 "ucomisd {$src, $dst|$dst, $src}", []>, TB, OpSize;
1725 def UCOMISDrm: I<0x2E, MRMSrcMem, (ops V2F8:$dst, f64mem:$src),
1726 "ucomisd {$src, $dst|$dst, $src}", []>, TB, OpSize;
1727 def UCOMISSrr: I<0x2E, MRMSrcReg, (ops V4F4:$dst, V4F4:$src),
1728 "ucomiss {$src, $dst|$dst, $src}", []>, TB;
1729 def UCOMISSrm: I<0x2E, MRMSrcMem, (ops V4F4:$dst, f32mem:$src),
1730 "ucomiss {$src, $dst|$dst, $src}", []>, TB;
1732 // Pseudo-instructions that map fld0 to xorps/xorpd for sse.
1733 // FIXME: remove when we can teach regalloc that xor reg, reg is ok.
1734 def FLD0SS : I<0x57, MRMSrcReg, (ops V4F4:$dst),
1735 "xorps $dst, $dst", []>, TB;
1736 def FLD0SD : I<0x57, MRMSrcReg, (ops V2F8:$dst),
1737 "xorpd $dst, $dst", []>, TB, OpSize;
1739 let isTwoAddress = 1 in {
1740 let isCommutable = 1 in {
1741 def ADDSSrr : I<0x58, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src2),
1742 "addss {$src2, $dst|$dst, $src2}",
1743 [(set V4F4:$dst, (fadd V4F4:$src1, V4F4:$src2))]>, XS;
1744 def ADDSDrr : I<0x58, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src2),
1745 "addsd {$src2, $dst|$dst, $src2}",
1746 [(set V2F8:$dst, (fadd V2F8:$src1, V2F8:$src2))]>, XD;
1747 def ANDPSrr : I<0x54, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src2),
1748 "andps {$src2, $dst|$dst, $src2}", []>, TB;
1749 def ANDPDrr : I<0x54, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src2),
1750 "andpd {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
1751 def MULSSrr : I<0x59, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src2),
1752 "mulss {$src2, $dst|$dst, $src2}",
1753 [(set V4F4:$dst, (fmul V4F4:$src1, V4F4:$src2))]>, XS;
1754 def MULSDrr : I<0x59, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src2),
1755 "mulsd {$src2, $dst|$dst, $src2}",
1756 [(set V2F8:$dst, (fmul V2F8:$src1, V2F8:$src2))]>, XD;
1757 def ORPSrr : I<0x56, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src2),
1758 "orps {$src2, $dst|$dst, $src2}", []>, TB;
1759 def ORPDrr : I<0x56, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src2),
1760 "orpd {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
1761 def XORPSrr : I<0x57, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src2),
1762 "xorps {$src2, $dst|$dst, $src2}", []>, TB;
1763 def XORPDrr : I<0x57, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src2),
1764 "xorpd {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
1766 def ANDNPSrr : I<0x55, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src2),
1767 "andnps {$src2, $dst|$dst, $src2}", []>, TB;
1768 def ANDNPDrr : I<0x55, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src2),
1769 "andnpd {$src2, $dst|$dst, $src2}", []>, TB, OpSize;
1770 def ADDSSrm : I<0x58, MRMSrcMem, (ops V4F4:$dst, V4F4:$src1, f32mem:$src2),
1771 "addss {$src2, $dst|$dst, $src2}", []>, XS;
1772 def ADDSDrm : I<0x58, MRMSrcMem, (ops V2F8:$dst, V2F8:$src1, f64mem:$src2),
1773 "addsd {$src2, $dst|$dst, $src2}", []>, XD;
1774 def MULSSrm : I<0x59, MRMSrcMem, (ops V4F4:$dst, V4F4:$src1, f32mem:$src2),
1775 "mulss {$src2, $dst|$dst, $src2}", []>, XS;
1776 def MULSDrm : I<0x59, MRMSrcMem, (ops V2F8:$dst, V2F8:$src1, f64mem:$src2),
1777 "mulsd {$src2, $dst|$dst, $src2}", []>, XD;
1779 def DIVSSrm : I<0x5E, MRMSrcMem, (ops V4F4:$dst, V4F4:$src1, f32mem:$src2),
1780 "divss {$src2, $dst|$dst, $src2}", []>, XS;
1781 def DIVSSrr : I<0x5E, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src2),
1782 "divss {$src2, $dst|$dst, $src2}",
1783 [(set V4F4:$dst, (fdiv V4F4:$src1, V4F4:$src2))]>, XS;
1784 def DIVSDrm : I<0x5E, MRMSrcMem, (ops V2F8:$dst, V2F8:$src1, f64mem:$src2),
1785 "divsd {$src2, $dst|$dst, $src2}", []>, XD;
1786 def DIVSDrr : I<0x5E, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src2),
1787 "divsd {$src2, $dst|$dst, $src2}",
1788 [(set V2F8:$dst, (fdiv V2F8:$src1, V2F8:$src2))]>, XD;
1790 def SUBSSrm : I<0x5C, MRMSrcMem, (ops V4F4:$dst, V4F4:$src1, f32mem:$src2),
1791 "subss {$src2, $dst|$dst, $src2}", []>, XS;
1792 def SUBSSrr : I<0x5C, MRMSrcReg, (ops V4F4:$dst, V4F4:$src1, V4F4:$src2),
1793 "subss {$src2, $dst|$dst, $src2}",
1794 [(set V4F4:$dst, (fsub V4F4:$src1, V4F4:$src2))]>, XS;
1795 def SUBSDrm : I<0x5C, MRMSrcMem, (ops V2F8:$dst, V2F8:$src1, f64mem:$src2),
1796 "subsd {$src2, $dst|$dst, $src2}", []>, XD;
1797 def SUBSDrr : I<0x5C, MRMSrcReg, (ops V2F8:$dst, V2F8:$src1, V2F8:$src2),
1798 "subsd {$src2, $dst|$dst, $src2}",
1799 [(set V2F8:$dst, (fsub V2F8:$src1, V2F8:$src2))]>, XD;
1801 def CMPSSrr : I<0xC2, MRMSrcReg,
1802 (ops V4F4:$dst, V4F4:$src1, V4F4:$src, SSECC:$cc),
1803 "cmp${cc}ss {$src, $dst|$dst, $src}", []>, XS;
1804 def CMPSSrm : I<0xC2, MRMSrcMem,
1805 (ops V4F4:$dst, V4F4:$src1, f32mem:$src, SSECC:$cc),
1806 "cmp${cc}ss {$src, $dst|$dst, $src}", []>, XS;
1807 def CMPSDrr : I<0xC2, MRMSrcReg,
1808 (ops V2F8:$dst, V2F8:$src1, V2F8:$src, SSECC:$cc),
1809 "cmp${cc}sd {$src, $dst|$dst, $src}", []>, XD;
1810 def CMPSDrm : I<0xC2, MRMSrcMem,
1811 (ops V2F8:$dst, V2F8:$src1, f64mem:$src, SSECC:$cc),
1812 "cmp${cc}sd {$src, $dst|$dst, $src}", []>, XD;
1815 //===----------------------------------------------------------------------===//
1816 // Miscellaneous Instructions
1817 //===----------------------------------------------------------------------===//
1819 def RDTSC : I<0x31, RawFrm, (ops), "rdtsc", []>, TB, Imp<[],[EAX,EDX]>;
1822 //===----------------------------------------------------------------------===//
1823 // Stack-based Floating point support
1824 //===----------------------------------------------------------------------===//
1826 // FIXME: These need to indicate mod/ref sets for FP regs... & FP 'TOP'
1828 // Floating point instruction template
1829 class FPI<bits<8> o, Format F, FPFormat fp, dag ops, string asm>
1830 : X86Inst<o, F, NoImm, ops, asm> {
1831 let FPForm = fp; let FPFormBits = FPForm.Value;
1834 // Pseudo instructions for floating point. We use these pseudo instructions
1835 // because they can be expanded by the fp spackifier into one of many different
1836 // forms of instructions for doing these operations. Until the stackifier runs,
1837 // we prefer to be abstract.
1838 def FpMOV : FPI<0, Pseudo, SpecialFP,
1839 (ops RFP:$dst, RFP:$src), "">; // f1 = fmov f2
1840 def FpADD : FPI<0, Pseudo, TwoArgFP ,
1841 (ops RFP:$dst, RFP:$src1, RFP:$src2), "">; // f1 = fadd f2, f3
1842 def FpSUB : FPI<0, Pseudo, TwoArgFP ,
1843 (ops RFP:$dst, RFP:$src1, RFP:$src2), "">; // f1 = fsub f2, f3
1844 def FpMUL : FPI<0, Pseudo, TwoArgFP ,
1845 (ops RFP:$dst, RFP:$src1, RFP:$src2), "">; // f1 = fmul f2, f3
1846 def FpDIV : FPI<0, Pseudo, TwoArgFP ,
1847 (ops RFP:$dst, RFP:$src1, RFP:$src2), "">; // f1 = fdiv f2, f3
1849 def FpGETRESULT : FPI<0, Pseudo, SpecialFP, (ops RFP:$dst), "">,
1850 Imp<[ST0], []>; // FPR = ST(0)
1852 def FpSETRESULT : FPI<0, Pseudo, SpecialFP, (ops RFP:$src), "">,
1853 Imp<[], [ST0]>; // ST(0) = FPR
1855 // FADD reg, mem: Before stackification, these are represented by:
1856 // R1 = FADD* R2, [mem]
1857 def FADD32m : FPI<0xD8, MRM0m, OneArgFPRW, // ST(0) = ST(0) + [mem32real]
1858 (ops f32mem:$src, variable_ops),
1860 def FADD64m : FPI<0xDC, MRM0m, OneArgFPRW, // ST(0) = ST(0) + [mem64real]
1861 (ops f64mem:$src, variable_ops),
1863 //def FIADD16m : FPI<0xDE, MRM0m, OneArgFPRW>; // ST(0) = ST(0) + [mem16int]
1864 //def FIADD32m : FPI<0xDA, MRM0m, OneArgFPRW>; // ST(0) = ST(0) + [mem32int]
1866 // FMUL reg, mem: Before stackification, these are represented by:
1867 // R1 = FMUL* R2, [mem]
1868 def FMUL32m : FPI<0xD8, MRM1m, OneArgFPRW, // ST(0) = ST(0) * [mem32real]
1869 (ops f32mem:$src, variable_ops),
1871 def FMUL64m : FPI<0xDC, MRM1m, OneArgFPRW, // ST(0) = ST(0) * [mem64real]
1872 (ops f64mem:$src, variable_ops),
1874 // ST(0) = ST(0) * [mem16int]
1875 //def FIMUL16m : FPI16m<"fimul", 0xDE, MRM1m, OneArgFPRW>;
1876 // ST(0) = ST(0) * [mem32int]
1877 //def FIMUL32m : FPI32m<"fimul", 0xDA, MRM1m, OneArgFPRW>;
1879 // FSUB reg, mem: Before stackification, these are represented by:
1880 // R1 = FSUB* R2, [mem]
1881 def FSUB32m : FPI<0xD8, MRM4m, OneArgFPRW, // ST(0) = ST(0) - [mem32real]
1882 (ops f32mem:$src, variable_ops),
1884 def FSUB64m : FPI<0xDC, MRM4m, OneArgFPRW, // ST(0) = ST(0) - [mem64real]
1885 (ops f64mem:$src, variable_ops),
1887 // ST(0) = ST(0) - [mem16int]
1888 //def FISUB16m : FPI16m<"fisub", 0xDE, MRM4m, OneArgFPRW>;
1889 // ST(0) = ST(0) - [mem32int]
1890 //def FISUB32m : FPI32m<"fisub", 0xDA, MRM4m, OneArgFPRW>;
1892 // FSUBR reg, mem: Before stackification, these are represented by:
1893 // R1 = FSUBR* R2, [mem]
1895 // Note that the order of operands does not reflect the operation being
1897 def FSUBR32m : FPI<0xD8, MRM5m, OneArgFPRW, // ST(0) = [mem32real] - ST(0)
1898 (ops f32mem:$src, variable_ops),
1900 def FSUBR64m : FPI<0xDC, MRM5m, OneArgFPRW, // ST(0) = [mem64real] - ST(0)
1901 (ops f64mem:$src, variable_ops),
1903 // ST(0) = [mem16int] - ST(0)
1904 //def FISUBR16m : FPI16m<"fisubr", 0xDE, MRM5m, OneArgFPRW>;
1905 // ST(0) = [mem32int] - ST(0)
1906 //def FISUBR32m : FPI32m<"fisubr", 0xDA, MRM5m, OneArgFPRW>;
1908 // FDIV reg, mem: Before stackification, these are represented by:
1909 // R1 = FDIV* R2, [mem]
1910 def FDIV32m : FPI<0xD8, MRM6m, OneArgFPRW, // ST(0) = ST(0) / [mem32real]
1911 (ops f32mem:$src, variable_ops),
1913 def FDIV64m : FPI<0xDC, MRM6m, OneArgFPRW, // ST(0) = ST(0) / [mem64real]
1914 (ops f64mem:$src, variable_ops),
1916 // ST(0) = ST(0) / [mem16int]
1917 //def FIDIV16m : FPI16m<"fidiv", 0xDE, MRM6m, OneArgFPRW>;
1918 // ST(0) = ST(0) / [mem32int]
1919 //def FIDIV32m : FPI32m<"fidiv", 0xDA, MRM6m, OneArgFPRW>;
1921 // FDIVR reg, mem: Before stackification, these are represented by:
1922 // R1 = FDIVR* R2, [mem]
1923 // Note that the order of operands does not reflect the operation being
1925 def FDIVR32m : FPI<0xD8, MRM7m, OneArgFPRW, // ST(0) = [mem32real] / ST(0)
1926 (ops f32mem:$src, variable_ops),
1928 def FDIVR64m : FPI<0xDC, MRM7m, OneArgFPRW, // ST(0) = [mem64real] / ST(0)
1929 (ops f64mem:$src, variable_ops),
1931 // ST(0) = [mem16int] / ST(0)
1932 //def FIDIVR16m : FPI16m<"fidivr", 0xDE, MRM7m, OneArgFPRW>;
1933 // ST(0) = [mem32int] / ST(0)
1934 //def FIDIVR32m : FPI32m<"fidivr", 0xDA, MRM7m, OneArgFPRW>;
1937 // Floating point cmovs...
1938 let isTwoAddress = 1, Uses = [ST0], Defs = [ST0] in {
1939 def FCMOVB : FPI<0xC0, AddRegFrm, CondMovFP,
1940 (ops RST:$op, variable_ops),
1941 "fcmovb {$op, %ST(0)|%ST(0), $op}">, DA;
1942 def FCMOVBE : FPI<0xD0, AddRegFrm, CondMovFP,
1943 (ops RST:$op, variable_ops),
1944 "fcmovbe {$op, %ST(0)|%ST(0), $op}">, DA;
1945 def FCMOVE : FPI<0xC8, AddRegFrm, CondMovFP,
1946 (ops RST:$op, variable_ops),
1947 "fcmove {$op, %ST(0)|%ST(0), $op}">, DA;
1948 def FCMOVP : FPI<0xD8, AddRegFrm, CondMovFP,
1949 (ops RST:$op, variable_ops),
1950 "fcmovu {$op, %ST(0)|%ST(0), $op}">, DA;
1951 def FCMOVAE : FPI<0xC0, AddRegFrm, CondMovFP,
1952 (ops RST:$op, variable_ops),
1953 "fcmovae {$op, %ST(0)|%ST(0), $op}">, DB;
1954 def FCMOVA : FPI<0xD0, AddRegFrm, CondMovFP,
1955 (ops RST:$op, variable_ops),
1956 "fcmova {$op, %ST(0)|%ST(0), $op}">, DB;
1957 def FCMOVNE : FPI<0xC8, AddRegFrm, CondMovFP,
1958 (ops RST:$op, variable_ops),
1959 "fcmovne {$op, %ST(0)|%ST(0), $op}">, DB;
1960 def FCMOVNP : FPI<0xD8, AddRegFrm, CondMovFP,
1961 (ops RST:$op, variable_ops),
1962 "fcmovnu {$op, %ST(0)|%ST(0), $op}">, DB;
1965 // Floating point loads & stores...
1966 // FIXME: these are all marked variable_ops because they have an implicit
1967 // destination. Instructions like FILD* that are generated by the instruction
1968 // selector (not the fp stackifier) need more accurate operand accounting.
1969 def FLDrr : FPI<0xC0, AddRegFrm, NotFP,
1970 (ops RST:$src, variable_ops),
1972 def FLD32m : FPI<0xD9, MRM0m, ZeroArgFP,
1973 (ops f32mem:$src, variable_ops),
1975 def FLD64m : FPI<0xDD, MRM0m, ZeroArgFP,
1976 (ops f64mem:$src, variable_ops),
1978 def FLD80m : FPI<0xDB, MRM5m, ZeroArgFP,
1979 (ops f80mem:$src, variable_ops),
1981 def FILD16m : FPI<0xDF, MRM0m, ZeroArgFP,
1982 (ops i16mem:$src, variable_ops),
1984 def FILD32m : FPI<0xDB, MRM0m, ZeroArgFP,
1985 (ops i32mem:$src, variable_ops),
1987 def FILD64m : FPI<0xDF, MRM5m, ZeroArgFP,
1988 (ops i64mem:$src, variable_ops),
1991 def FSTrr : FPI<0xD0, AddRegFrm, NotFP,
1992 (ops RST:$op, variable_ops),
1994 def FSTPrr : FPI<0xD8, AddRegFrm, NotFP,
1995 (ops RST:$op, variable_ops),
1997 def FST32m : FPI<0xD9, MRM2m, OneArgFP,
1998 (ops f32mem:$op, variable_ops),
2000 def FST64m : FPI<0xDD, MRM2m, OneArgFP,
2001 (ops f64mem:$op, variable_ops),
2003 def FSTP32m : FPI<0xD9, MRM3m, OneArgFP,
2004 (ops f32mem:$op, variable_ops),
2006 def FSTP64m : FPI<0xDD, MRM3m, OneArgFP,
2007 (ops f64mem:$op, variable_ops),
2009 def FSTP80m : FPI<0xDB, MRM7m, OneArgFP,
2010 (ops f80mem:$op, variable_ops),
2013 def FIST16m : FPI<0xDF, MRM2m , OneArgFP,
2014 (ops i16mem:$op, variable_ops),
2016 def FIST32m : FPI<0xDB, MRM2m , OneArgFP,
2017 (ops i32mem:$op, variable_ops),
2019 def FISTP16m : FPI<0xDF, MRM3m , NotFP ,
2020 (ops i16mem:$op, variable_ops),
2022 def FISTP32m : FPI<0xDB, MRM3m , NotFP ,
2023 (ops i32mem:$op, variable_ops),
2025 def FISTP64m : FPI<0xDF, MRM7m , OneArgFP,
2026 (ops i64mem:$op, variable_ops),
2029 def FXCH : FPI<0xC8, AddRegFrm, NotFP,
2030 (ops RST:$op), "fxch $op">, D9; // fxch ST(i), ST(0)
2032 // Floating point constant loads...
2033 def FLD0 : FPI<0xEE, RawFrm, ZeroArgFP, (ops variable_ops), "fldz">, D9;
2034 def FLD1 : FPI<0xE8, RawFrm, ZeroArgFP, (ops variable_ops), "fld1">, D9;
2037 // Unary operations...
2038 def FCHS : FPI<0xE0, RawFrm, OneArgFPRW, // f1 = fchs f2
2041 def FABS : FPI<0xE1, RawFrm, OneArgFPRW, // f1 = fabs f2
2044 def FSQRT : FPI<0xFA, RawFrm, OneArgFPRW, // fsqrt ST(0)
2047 def FSIN : FPI<0xFE, RawFrm, OneArgFPRW, // fsin ST(0)
2050 def FCOS : FPI<0xFF, RawFrm, OneArgFPRW, // fcos ST(0)
2053 def FTST : FPI<0xE4, RawFrm, OneArgFP , // ftst ST(0)
2057 // Binary arithmetic operations...
2058 class FPST0rInst<bits<8> o, dag ops, string asm>
2059 : I<o, AddRegFrm, ops, asm, []>, D8 {
2060 list<Register> Uses = [ST0];
2061 list<Register> Defs = [ST0];
2063 class FPrST0Inst<bits<8> o, dag ops, string asm>
2064 : I<o, AddRegFrm, ops, asm, []>, DC {
2065 list<Register> Uses = [ST0];
2067 class FPrST0PInst<bits<8> o, dag ops, string asm>
2068 : I<o, AddRegFrm, ops, asm, []>, DE {
2069 list<Register> Uses = [ST0];
2072 def FADDST0r : FPST0rInst <0xC0, (ops RST:$op),
2074 def FADDrST0 : FPrST0Inst <0xC0, (ops RST:$op),
2075 "fadd {%ST(0), $op|$op, %ST(0)}">;
2076 def FADDPrST0 : FPrST0PInst<0xC0, (ops RST:$op),
2079 // NOTE: GAS and apparently all other AT&T style assemblers have a broken notion
2080 // of some of the 'reverse' forms of the fsub and fdiv instructions. As such,
2081 // we have to put some 'r's in and take them out of weird places.
2082 def FSUBRST0r : FPST0rInst <0xE8, (ops RST:$op),
2084 def FSUBrST0 : FPrST0Inst <0xE8, (ops RST:$op),
2085 "fsub{r} {%ST(0), $op|$op, %ST(0)}">;
2086 def FSUBPrST0 : FPrST0PInst<0xE8, (ops RST:$op),
2089 def FSUBST0r : FPST0rInst <0xE0, (ops RST:$op),
2091 def FSUBRrST0 : FPrST0Inst <0xE0, (ops RST:$op),
2092 "fsub{|r} {%ST(0), $op|$op, %ST(0)}">;
2093 def FSUBRPrST0 : FPrST0PInst<0xE0, (ops RST:$op),
2096 def FMULST0r : FPST0rInst <0xC8, (ops RST:$op),
2098 def FMULrST0 : FPrST0Inst <0xC8, (ops RST:$op),
2099 "fmul {%ST(0), $op|$op, %ST(0)}">;
2100 def FMULPrST0 : FPrST0PInst<0xC8, (ops RST:$op),
2103 def FDIVRST0r : FPST0rInst <0xF8, (ops RST:$op),
2105 def FDIVrST0 : FPrST0Inst <0xF8, (ops RST:$op),
2106 "fdiv{r} {%ST(0), $op|$op, %ST(0)}">;
2107 def FDIVPrST0 : FPrST0PInst<0xF8, (ops RST:$op),
2110 def FDIVST0r : FPST0rInst <0xF0, (ops RST:$op), // ST(0) = ST(0) / ST(i)
2112 def FDIVRrST0 : FPrST0Inst <0xF0, (ops RST:$op), // ST(i) = ST(0) / ST(i)
2113 "fdiv{|r} {%ST(0), $op|$op, %ST(0)}">;
2114 def FDIVRPrST0 : FPrST0PInst<0xF0, (ops RST:$op), // ST(i) = ST(0) / ST(i), pop
2117 // Floating point compares
2118 def FUCOMr : FPI<0xE0, AddRegFrm, CompareFP, // FPSW = cmp ST(0) with ST(i)
2119 (ops RST:$reg, variable_ops),
2120 "fucom $reg">, DD, Imp<[ST0],[]>;
2121 def FUCOMPr : I<0xE8, AddRegFrm, // FPSW = cmp ST(0) with ST(i), pop
2122 (ops RST:$reg, variable_ops),
2123 "fucomp $reg", []>, DD, Imp<[ST0],[]>;
2124 def FUCOMPPr : I<0xE9, RawFrm, // cmp ST(0) with ST(1), pop, pop
2126 "fucompp", []>, DA, Imp<[ST0],[]>;
2128 def FUCOMIr : FPI<0xE8, AddRegFrm, CompareFP, // CC = cmp ST(0) with ST(i)
2129 (ops RST:$reg, variable_ops),
2130 "fucomi {$reg, %ST(0)|%ST(0), $reg}">, DB, Imp<[ST0],[]>;
2131 def FUCOMIPr : I<0xE8, AddRegFrm, // CC = cmp ST(0) with ST(i), pop
2132 (ops RST:$reg, variable_ops),
2133 "fucomip {$reg, %ST(0)|%ST(0), $reg}", []>, DF, Imp<[ST0],[]>;
2136 // Floating point flag ops
2137 def FNSTSW8r : I<0xE0, RawFrm, // AX = fp flags
2138 (ops), "fnstsw", []>, DF, Imp<[],[AX]>;
2140 def FNSTCW16m : I<0xD9, MRM7m, // [mem16] = X87 control world
2141 (ops i16mem:$dst), "fnstcw $dst", []>;
2142 def FLDCW16m : I<0xD9, MRM5m, // X87 control world = [mem16]
2143 (ops i16mem:$dst), "fldcw $dst", []>;