1 //===-- X86InstrFormats.td - X86 Instruction Formats -------*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 //===----------------------------------------------------------------------===//
11 // X86 Instruction Format Definitions.
14 // Format specifies the encoding used by the instruction. This is part of the
15 // ad-hoc solution used to emit machine instruction encodings by our machine
17 class Format<bits<6> val> {
21 def Pseudo : Format<0>; def RawFrm : Format<1>;
22 def AddRegFrm : Format<2>; def MRMDestReg : Format<3>;
23 def MRMDestMem : Format<4>; def MRMSrcReg : Format<5>;
24 def MRMSrcMem : Format<6>; def RawFrmMemOffs : Format<7>;
25 def RawFrmSrc : Format<8>; def RawFrmDst : Format<9>;
26 def RawFrmDstSrc: Format<10>;
27 def MRMXr : Format<14>; def MRMXm : Format<15>;
28 def MRM0r : Format<16>; def MRM1r : Format<17>; def MRM2r : Format<18>;
29 def MRM3r : Format<19>; def MRM4r : Format<20>; def MRM5r : Format<21>;
30 def MRM6r : Format<22>; def MRM7r : Format<23>;
31 def MRM0m : Format<24>; def MRM1m : Format<25>; def MRM2m : Format<26>;
32 def MRM3m : Format<27>; def MRM4m : Format<28>; def MRM5m : Format<29>;
33 def MRM6m : Format<30>; def MRM7m : Format<31>;
34 def MRM_C1 : Format<33>;
35 def MRM_C2 : Format<34>;
36 def MRM_C3 : Format<35>;
37 def MRM_C4 : Format<36>;
38 def MRM_C8 : Format<37>;
39 def MRM_C9 : Format<38>;
40 def MRM_CA : Format<39>;
41 def MRM_CB : Format<40>;
42 def MRM_E8 : Format<41>;
43 def MRM_F0 : Format<42>;
44 def RawFrmImm8 : Format<43>;
45 def RawFrmImm16 : Format<44>;
46 def MRM_F8 : Format<45>;
47 def MRM_F9 : Format<46>;
48 def MRM_D0 : Format<47>;
49 def MRM_D1 : Format<48>;
50 def MRM_D4 : Format<49>;
51 def MRM_D5 : Format<50>;
52 def MRM_D6 : Format<51>;
53 def MRM_D8 : Format<52>;
54 def MRM_D9 : Format<53>;
55 def MRM_DA : Format<54>;
56 def MRM_DB : Format<55>;
57 def MRM_DC : Format<56>;
58 def MRM_DD : Format<57>;
59 def MRM_DE : Format<58>;
60 def MRM_DF : Format<59>;
62 // ImmType - This specifies the immediate type used by an instruction. This is
63 // part of the ad-hoc solution used to emit machine instruction encodings by our
64 // machine code emitter.
65 class ImmType<bits<4> val> {
68 def NoImm : ImmType<0>;
69 def Imm8 : ImmType<1>;
70 def Imm8PCRel : ImmType<2>;
71 def Imm16 : ImmType<3>;
72 def Imm16PCRel : ImmType<4>;
73 def Imm32 : ImmType<5>;
74 def Imm32PCRel : ImmType<6>;
75 def Imm32S : ImmType<7>;
76 def Imm64 : ImmType<8>;
78 // FPFormat - This specifies what form this FP instruction has. This is used by
79 // the Floating-Point stackifier pass.
80 class FPFormat<bits<3> val> {
83 def NotFP : FPFormat<0>;
84 def ZeroArgFP : FPFormat<1>;
85 def OneArgFP : FPFormat<2>;
86 def OneArgFPRW : FPFormat<3>;
87 def TwoArgFP : FPFormat<4>;
88 def CompareFP : FPFormat<5>;
89 def CondMovFP : FPFormat<6>;
90 def SpecialFP : FPFormat<7>;
92 // Class specifying the SSE execution domain, used by the SSEDomainFix pass.
93 // Keep in sync with tables in X86InstrInfo.cpp.
94 class Domain<bits<2> val> {
97 def GenericDomain : Domain<0>;
98 def SSEPackedSingle : Domain<1>;
99 def SSEPackedDouble : Domain<2>;
100 def SSEPackedInt : Domain<3>;
102 // Class specifying the vector form of the decompressed
103 // displacement of 8-bit.
104 class CD8VForm<bits<3> val> {
107 def CD8VF : CD8VForm<0>; // v := VL
108 def CD8VH : CD8VForm<1>; // v := VL/2
109 def CD8VQ : CD8VForm<2>; // v := VL/4
110 def CD8VO : CD8VForm<3>; // v := VL/8
111 def CD8VT1 : CD8VForm<4>; // v := 1
112 def CD8VT2 : CD8VForm<5>; // v := 2
113 def CD8VT4 : CD8VForm<6>; // v := 4
114 def CD8VT8 : CD8VForm<7>; // v := 8
116 // Class specifying the prefix used an opcode extension.
117 class Prefix<bits<2> val> {
120 def NoPrfx : Prefix<0>;
125 // Class specifying the opcode map.
126 class Map<bits<5> val> {
147 // Class specifying the encoding
148 class Encoding<bits<2> val> {
151 def EncNormal : Encoding<0>;
152 def EncVEX : Encoding<1>;
153 def EncXOP : Encoding<2>;
154 def EncEVEX : Encoding<3>;
156 // Operand size for encodings that change based on mode.
157 class OperandSize<bits<2> val> {
160 def OpSizeFixed : OperandSize<0>; // Never needs a 0x66 prefix.
161 def OpSize16 : OperandSize<1>; // Needs 0x66 prefix in 32-bit mode.
162 def OpSize32 : OperandSize<2>; // Needs 0x66 prefix in 16-bit mode.
164 // Prefix byte classes which are used to indicate to the ad-hoc machine code
165 // emitter that various prefix bytes are required.
166 class OpSize16 { OperandSize OpSize = OpSize16; }
167 class OpSize32 { OperandSize OpSize = OpSize32; }
168 class AdSize { bit hasAdSizePrefix = 1; }
169 class REX_W { bit hasREX_WPrefix = 1; }
170 class LOCK { bit hasLockPrefix = 1; }
171 class REP { bit hasREPPrefix = 1; }
172 class TB { Map OpMap = TB; }
173 class D8 { Map OpMap = D8; }
174 class D9 { Map OpMap = D9; }
175 class DA { Map OpMap = DA; }
176 class DB { Map OpMap = DB; }
177 class DC { Map OpMap = DC; }
178 class DD { Map OpMap = DD; }
179 class DE { Map OpMap = DE; }
180 class DF { Map OpMap = DF; }
181 class T8 { Map OpMap = T8; }
182 class TA { Map OpMap = TA; }
183 class A6 { Map OpMap = A6; }
184 class A7 { Map OpMap = A7; }
185 class XOP8 { Map OpMap = XOP8; }
186 class XOP9 { Map OpMap = XOP9; }
187 class XOPA { Map OpMap = XOPA; }
188 class PD : TB { Prefix OpPrefix = PD; }
189 class XD : TB { Prefix OpPrefix = XD; }
190 class XS : TB { Prefix OpPrefix = XS; }
191 class T8PD : T8 { Prefix OpPrefix = PD; }
192 class T8XD : T8 { Prefix OpPrefix = XD; }
193 class T8XS : T8 { Prefix OpPrefix = XS; }
194 class TAPD : TA { Prefix OpPrefix = PD; }
195 class TAXD : TA { Prefix OpPrefix = XD; }
196 class VEX { Encoding OpEnc = EncVEX; }
197 class VEX_W { bit hasVEX_WPrefix = 1; }
198 class VEX_4V : VEX { bit hasVEX_4V = 1; }
199 class VEX_4VOp3 : VEX { bit hasVEX_4VOp3 = 1; }
200 class VEX_I8IMM { bit hasVEX_i8ImmReg = 1; }
201 class VEX_L { bit hasVEX_L = 1; }
202 class VEX_LIG { bit ignoresVEX_L = 1; }
203 class EVEX : VEX { Encoding OpEnc = EncEVEX; }
204 class EVEX_4V : VEX_4V { Encoding OpEnc = EncEVEX; }
205 class EVEX_K { bit hasEVEX_K = 1; }
206 class EVEX_KZ : EVEX_K { bit hasEVEX_Z = 1; }
207 class EVEX_B { bit hasEVEX_B = 1; }
208 class EVEX_RC { bit hasEVEX_RC = 1; }
209 class EVEX_V512 { bit hasEVEX_L2 = 1; bit hasVEX_L = 0; }
210 class EVEX_CD8<int esize, CD8VForm form> {
211 bits<2> EVEX_CD8E = !if(!eq(esize, 8), 0b00,
212 !if(!eq(esize, 16), 0b01,
213 !if(!eq(esize, 32), 0b10,
214 !if(!eq(esize, 64), 0b11, ?))));
215 bits<3> EVEX_CD8V = form.Value;
217 class Has3DNow0F0FOpcode { bit has3DNow0F0FOpcode = 1; }
218 class MemOp4 { bit hasMemOp4Prefix = 1; }
219 class XOP { Encoding OpEnc = EncXOP; }
220 class XOP_4V : XOP { bit hasVEX_4V = 1; }
221 class XOP_4VOp3 : XOP { bit hasVEX_4VOp3 = 1; }
223 class X86Inst<bits<8> opcod, Format f, ImmType i, dag outs, dag ins,
226 Domain d = GenericDomain>
228 let Namespace = "X86";
230 bits<8> Opcode = opcod;
232 bits<6> FormBits = Form.Value;
235 dag OutOperandList = outs;
236 dag InOperandList = ins;
237 string AsmString = AsmStr;
239 // If this is a pseudo instruction, mark it isCodeGenOnly.
240 let isCodeGenOnly = !eq(!cast<string>(f), "Pseudo");
242 let Itinerary = itin;
245 // Attributes specific to X86 instructions...
247 bit ForceDisassemble = 0; // Force instruction to disassemble even though it's
248 // isCodeGenonly. Needed to hide an ambiguous
249 // AsmString from the parser, but still disassemble.
251 OperandSize OpSize = OpSizeFixed; // Does this instruction's encoding change
252 // based on operand size of the mode
253 bit hasAdSizePrefix = 0; // Does this inst have a 0x67 prefix?
255 Prefix OpPrefix = NoPrfx; // Which prefix byte does this inst have?
256 Map OpMap = OB; // Which opcode map does this inst have?
257 bit hasREX_WPrefix = 0; // Does this inst require the REX.W prefix?
258 FPFormat FPForm = NotFP; // What flavor of FP instruction is this?
259 bit hasLockPrefix = 0; // Does this inst have a 0xF0 prefix?
260 Domain ExeDomain = d;
261 bit hasREPPrefix = 0; // Does this inst have a REP prefix?
262 Encoding OpEnc = EncNormal; // Encoding used by this instruction
263 bit hasVEX_WPrefix = 0; // Does this inst set the VEX_W field?
264 bit hasVEX_4V = 0; // Does this inst require the VEX.VVVV field?
265 bit hasVEX_4VOp3 = 0; // Does this inst require the VEX.VVVV field to
266 // encode the third operand?
267 bit hasVEX_i8ImmReg = 0; // Does this inst require the last source register
268 // to be encoded in a immediate field?
269 bit hasVEX_L = 0; // Does this inst use large (256-bit) registers?
270 bit ignoresVEX_L = 0; // Does this instruction ignore the L-bit
271 bit hasEVEX_K = 0; // Does this inst require masking?
272 bit hasEVEX_Z = 0; // Does this inst set the EVEX_Z field?
273 bit hasEVEX_L2 = 0; // Does this inst set the EVEX_L2 field?
274 bit hasEVEX_B = 0; // Does this inst set the EVEX_B field?
275 bits<2> EVEX_CD8E = 0; // Compressed disp8 form - element-size.
276 bits<3> EVEX_CD8V = 0; // Compressed disp8 form - vector-width.
277 bit has3DNow0F0FOpcode =0;// Wacky 3dNow! encoding?
278 bit hasMemOp4Prefix = 0; // Same bit as VEX_W, but used for swapping operands
279 bit hasEVEX_RC = 0; // Explicitly specified rounding control in FP instruction.
281 // TSFlags layout should be kept in sync with X86InstrInfo.h.
282 let TSFlags{5-0} = FormBits;
283 let TSFlags{7-6} = OpSize.Value;
284 let TSFlags{8} = hasAdSizePrefix;
285 let TSFlags{10-9} = OpPrefix.Value;
286 let TSFlags{15-11} = OpMap.Value;
287 let TSFlags{16} = hasREX_WPrefix;
288 let TSFlags{20-17} = ImmT.Value;
289 let TSFlags{23-21} = FPForm.Value;
290 let TSFlags{24} = hasLockPrefix;
291 let TSFlags{25} = hasREPPrefix;
292 let TSFlags{27-26} = ExeDomain.Value;
293 let TSFlags{29-28} = OpEnc.Value;
294 let TSFlags{37-30} = Opcode;
295 let TSFlags{38} = hasVEX_WPrefix;
296 let TSFlags{39} = hasVEX_4V;
297 let TSFlags{40} = hasVEX_4VOp3;
298 let TSFlags{41} = hasVEX_i8ImmReg;
299 let TSFlags{42} = hasVEX_L;
300 let TSFlags{43} = ignoresVEX_L;
301 let TSFlags{44} = hasEVEX_K;
302 let TSFlags{45} = hasEVEX_Z;
303 let TSFlags{46} = hasEVEX_L2;
304 let TSFlags{47} = hasEVEX_B;
305 let TSFlags{49-48} = EVEX_CD8E;
306 let TSFlags{52-50} = EVEX_CD8V;
307 let TSFlags{53} = has3DNow0F0FOpcode;
308 let TSFlags{54} = hasMemOp4Prefix;
309 let TSFlags{55} = hasEVEX_RC;
312 class PseudoI<dag oops, dag iops, list<dag> pattern>
313 : X86Inst<0, Pseudo, NoImm, oops, iops, "", NoItinerary> {
314 let Pattern = pattern;
317 class I<bits<8> o, Format f, dag outs, dag ins, string asm,
318 list<dag> pattern, InstrItinClass itin = NoItinerary,
319 Domain d = GenericDomain>
320 : X86Inst<o, f, NoImm, outs, ins, asm, itin, d> {
321 let Pattern = pattern;
324 class Ii8 <bits<8> o, Format f, dag outs, dag ins, string asm,
325 list<dag> pattern, InstrItinClass itin = NoItinerary,
326 Domain d = GenericDomain>
327 : X86Inst<o, f, Imm8, outs, ins, asm, itin, d> {
328 let Pattern = pattern;
331 class Ii8PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
332 list<dag> pattern, InstrItinClass itin = NoItinerary>
333 : X86Inst<o, f, Imm8PCRel, outs, ins, asm, itin> {
334 let Pattern = pattern;
337 class Ii16<bits<8> o, Format f, dag outs, dag ins, string asm,
338 list<dag> pattern, InstrItinClass itin = NoItinerary>
339 : X86Inst<o, f, Imm16, outs, ins, asm, itin> {
340 let Pattern = pattern;
343 class Ii32<bits<8> o, Format f, dag outs, dag ins, string asm,
344 list<dag> pattern, InstrItinClass itin = NoItinerary>
345 : X86Inst<o, f, Imm32, outs, ins, asm, itin> {
346 let Pattern = pattern;
349 class Ii32S<bits<8> o, Format f, dag outs, dag ins, string asm,
350 list<dag> pattern, InstrItinClass itin = NoItinerary>
351 : X86Inst<o, f, Imm32S, outs, ins, asm, itin> {
352 let Pattern = pattern;
356 class Ii16PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
357 list<dag> pattern, InstrItinClass itin = NoItinerary>
358 : X86Inst<o, f, Imm16PCRel, outs, ins, asm, itin> {
359 let Pattern = pattern;
363 class Ii32PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
364 list<dag> pattern, InstrItinClass itin = NoItinerary>
365 : X86Inst<o, f, Imm32PCRel, outs, ins, asm, itin> {
366 let Pattern = pattern;
370 // FPStack Instruction Templates:
371 // FPI - Floating Point Instruction template.
372 class FPI<bits<8> o, Format F, dag outs, dag ins, string asm,
373 InstrItinClass itin = NoItinerary>
374 : I<o, F, outs, ins, asm, [], itin> {}
376 // FpI_ - Floating Point Pseudo Instruction template. Not Predicated.
377 class FpI_<dag outs, dag ins, FPFormat fp, list<dag> pattern,
378 InstrItinClass itin = NoItinerary>
379 : X86Inst<0, Pseudo, NoImm, outs, ins, "", itin> {
381 let Pattern = pattern;
384 // Templates for instructions that use a 16- or 32-bit segmented address as
385 // their only operand: lcall (FAR CALL) and ljmp (FAR JMP)
387 // Iseg16 - 16-bit segment selector, 16-bit offset
388 // Iseg32 - 16-bit segment selector, 32-bit offset
390 class Iseg16 <bits<8> o, Format f, dag outs, dag ins, string asm,
391 list<dag> pattern, InstrItinClass itin = NoItinerary>
392 : X86Inst<o, f, Imm16, outs, ins, asm, itin> {
393 let Pattern = pattern;
397 class Iseg32 <bits<8> o, Format f, dag outs, dag ins, string asm,
398 list<dag> pattern, InstrItinClass itin = NoItinerary>
399 : X86Inst<o, f, Imm32, outs, ins, asm, itin> {
400 let Pattern = pattern;
404 // SI - SSE 1 & 2 scalar instructions
405 class SI<bits<8> o, Format F, dag outs, dag ins, string asm,
406 list<dag> pattern, InstrItinClass itin = NoItinerary>
407 : I<o, F, outs, ins, asm, pattern, itin> {
408 let Predicates = !if(!eq(OpEnc.Value, EncEVEX.Value), [HasAVX512],
409 !if(!eq(OpEnc.Value, EncVEX.Value), [UseAVX],
410 !if(!eq(OpPrefix.Value, XS.Value), [UseSSE1],
411 !if(!eq(OpPrefix.Value, XD.Value), [UseSSE2],
412 !if(!eq(OpPrefix.Value, PD.Value), [UseSSE2],
415 // AVX instructions have a 'v' prefix in the mnemonic
416 let AsmString = !if(!eq(OpEnc.Value, EncEVEX.Value), !strconcat("v", asm),
417 !if(!eq(OpEnc.Value, EncVEX.Value), !strconcat("v", asm),
421 // SIi8 - SSE 1 & 2 scalar instructions
422 class SIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
423 list<dag> pattern, InstrItinClass itin = NoItinerary>
424 : Ii8<o, F, outs, ins, asm, pattern, itin> {
425 let Predicates = !if(!eq(OpEnc.Value, EncEVEX.Value), [HasAVX512],
426 !if(!eq(OpEnc.Value, EncVEX.Value), [UseAVX],
427 !if(!eq(OpPrefix.Value, XS.Value), [UseSSE1],
430 // AVX instructions have a 'v' prefix in the mnemonic
431 let AsmString = !if(!eq(OpEnc.Value, EncEVEX.Value), !strconcat("v", asm),
432 !if(!eq(OpEnc.Value, EncVEX.Value), !strconcat("v", asm),
436 // PI - SSE 1 & 2 packed instructions
437 class PI<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pattern,
438 InstrItinClass itin, Domain d>
439 : I<o, F, outs, ins, asm, pattern, itin, d> {
440 let Predicates = !if(!eq(OpEnc.Value, EncEVEX.Value), [HasAVX512],
441 !if(!eq(OpEnc.Value, EncVEX.Value), [HasAVX],
442 !if(!eq(OpPrefix.Value, PD.Value), [UseSSE2],
445 // AVX instructions have a 'v' prefix in the mnemonic
446 let AsmString = !if(!eq(OpEnc.Value, EncEVEX.Value), !strconcat("v", asm),
447 !if(!eq(OpEnc.Value, EncVEX.Value), !strconcat("v", asm),
451 // MMXPI - SSE 1 & 2 packed instructions with MMX operands
452 class MMXPI<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pattern,
453 InstrItinClass itin, Domain d>
454 : I<o, F, outs, ins, asm, pattern, itin, d> {
455 let Predicates = !if(!eq(OpPrefix.Value, PD.Value), [HasSSE2],
459 // PIi8 - SSE 1 & 2 packed instructions with immediate
460 class PIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
461 list<dag> pattern, InstrItinClass itin, Domain d>
462 : Ii8<o, F, outs, ins, asm, pattern, itin, d> {
463 let Predicates = !if(!eq(OpEnc.Value, EncEVEX.Value), [HasAVX512],
464 !if(!eq(OpEnc.Value, EncVEX.Value), [HasAVX],
465 !if(!eq(OpPrefix.Value, PD.Value), [UseSSE2],
468 // AVX instructions have a 'v' prefix in the mnemonic
469 let AsmString = !if(!eq(OpEnc.Value, EncEVEX.Value), !strconcat("v", asm),
470 !if(!eq(OpEnc.Value, EncVEX.Value), !strconcat("v", asm),
474 // SSE1 Instruction Templates:
476 // SSI - SSE1 instructions with XS prefix.
477 // PSI - SSE1 instructions with TB prefix.
478 // PSIi8 - SSE1 instructions with ImmT == Imm8 and TB prefix.
479 // VSSI - SSE1 instructions with XS prefix in AVX form.
480 // VPSI - SSE1 instructions with TB prefix in AVX form, packed single.
482 class SSI<bits<8> o, Format F, dag outs, dag ins, string asm,
483 list<dag> pattern, InstrItinClass itin = NoItinerary>
484 : I<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[UseSSE1]>;
485 class SSIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
486 list<dag> pattern, InstrItinClass itin = NoItinerary>
487 : Ii8<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[UseSSE1]>;
488 class PSI<bits<8> o, Format F, dag outs, dag ins, string asm,
489 list<dag> pattern, InstrItinClass itin = NoItinerary>
490 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, TB,
492 class PSIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
493 list<dag> pattern, InstrItinClass itin = NoItinerary>
494 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, TB,
496 class VSSI<bits<8> o, Format F, dag outs, dag ins, string asm,
497 list<dag> pattern, InstrItinClass itin = NoItinerary>
498 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, XS,
500 class VPSI<bits<8> o, Format F, dag outs, dag ins, string asm,
501 list<dag> pattern, InstrItinClass itin = NoItinerary>
502 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin, SSEPackedSingle>, TB,
505 // SSE2 Instruction Templates:
507 // SDI - SSE2 instructions with XD prefix.
508 // SDIi8 - SSE2 instructions with ImmT == Imm8 and XD prefix.
509 // S2SI - SSE2 instructions with XS prefix.
510 // SSDIi8 - SSE2 instructions with ImmT == Imm8 and XS prefix.
511 // PDI - SSE2 instructions with PD prefix, packed double domain.
512 // PDIi8 - SSE2 instructions with ImmT == Imm8 and PD prefix.
513 // VSDI - SSE2 scalar instructions with XD prefix in AVX form.
514 // VPDI - SSE2 vector instructions with PD prefix in AVX form,
515 // packed double domain.
516 // VS2I - SSE2 scalar instructions with PD prefix in AVX form.
517 // S2I - SSE2 scalar instructions with PD prefix.
518 // MMXSDIi8 - SSE2 instructions with ImmT == Imm8 and XD prefix as well as
520 // MMXSSDIi8 - SSE2 instructions with ImmT == Imm8 and XS prefix as well as
523 class SDI<bits<8> o, Format F, dag outs, dag ins, string asm,
524 list<dag> pattern, InstrItinClass itin = NoItinerary>
525 : I<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[UseSSE2]>;
526 class SDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
527 list<dag> pattern, InstrItinClass itin = NoItinerary>
528 : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[UseSSE2]>;
529 class S2SI<bits<8> o, Format F, dag outs, dag ins, string asm,
530 list<dag> pattern, InstrItinClass itin = NoItinerary>
531 : I<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[UseSSE2]>;
532 class S2SIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
533 list<dag> pattern, InstrItinClass itin = NoItinerary>
534 : Ii8<o, F, outs, ins, asm, pattern>, XS, Requires<[UseSSE2]>;
535 class PDI<bits<8> o, Format F, dag outs, dag ins, string asm,
536 list<dag> pattern, InstrItinClass itin = NoItinerary>
537 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, PD,
539 class PDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
540 list<dag> pattern, InstrItinClass itin = NoItinerary>
541 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, PD,
543 class VSDI<bits<8> o, Format F, dag outs, dag ins, string asm,
544 list<dag> pattern, InstrItinClass itin = NoItinerary>
545 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, XD,
547 class VS2SI<bits<8> o, Format F, dag outs, dag ins, string asm,
548 list<dag> pattern, InstrItinClass itin = NoItinerary>
549 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, XS,
551 class VPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
552 list<dag> pattern, InstrItinClass itin = NoItinerary>
553 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin, SSEPackedDouble>,
554 PD, Requires<[HasAVX]>;
555 class VS2I<bits<8> o, Format F, dag outs, dag ins, string asm,
556 list<dag> pattern, InstrItinClass itin = NoItinerary>
557 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, PD,
559 class S2I<bits<8> o, Format F, dag outs, dag ins, string asm,
560 list<dag> pattern, InstrItinClass itin = NoItinerary>
561 : I<o, F, outs, ins, asm, pattern, itin>, PD, Requires<[UseSSE2]>;
562 class MMXSDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
563 list<dag> pattern, InstrItinClass itin = NoItinerary>
564 : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[HasSSE2]>;
565 class MMXS2SIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
566 list<dag> pattern, InstrItinClass itin = NoItinerary>
567 : Ii8<o, F, outs, ins, asm, pattern>, XS, Requires<[HasSSE2]>;
569 // SSE3 Instruction Templates:
571 // S3I - SSE3 instructions with PD prefixes.
572 // S3SI - SSE3 instructions with XS prefix.
573 // S3DI - SSE3 instructions with XD prefix.
575 class S3SI<bits<8> o, Format F, dag outs, dag ins, string asm,
576 list<dag> pattern, InstrItinClass itin = NoItinerary>
577 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, XS,
579 class S3DI<bits<8> o, Format F, dag outs, dag ins, string asm,
580 list<dag> pattern, InstrItinClass itin = NoItinerary>
581 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, XD,
583 class S3I<bits<8> o, Format F, dag outs, dag ins, string asm,
584 list<dag> pattern, InstrItinClass itin = NoItinerary>
585 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, PD,
589 // SSSE3 Instruction Templates:
591 // SS38I - SSSE3 instructions with T8 prefix.
592 // SS3AI - SSSE3 instructions with TA prefix.
593 // MMXSS38I - SSSE3 instructions with T8 prefix and MMX operands.
594 // MMXSS3AI - SSSE3 instructions with TA prefix and MMX operands.
596 // Note: SSSE3 instructions have 64-bit and 128-bit versions. The 64-bit version
597 // uses the MMX registers. The 64-bit versions are grouped with the MMX
598 // classes. They need to be enabled even if AVX is enabled.
600 class SS38I<bits<8> o, Format F, dag outs, dag ins, string asm,
601 list<dag> pattern, InstrItinClass itin = NoItinerary>
602 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PD,
603 Requires<[UseSSSE3]>;
604 class SS3AI<bits<8> o, Format F, dag outs, dag ins, string asm,
605 list<dag> pattern, InstrItinClass itin = NoItinerary>
606 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
607 Requires<[UseSSSE3]>;
608 class MMXSS38I<bits<8> o, Format F, dag outs, dag ins, string asm,
609 list<dag> pattern, InstrItinClass itin = NoItinerary>
610 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8,
611 Requires<[HasSSSE3]>;
612 class MMXSS3AI<bits<8> o, Format F, dag outs, dag ins, string asm,
613 list<dag> pattern, InstrItinClass itin = NoItinerary>
614 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
615 Requires<[HasSSSE3]>;
617 // SSE4.1 Instruction Templates:
619 // SS48I - SSE 4.1 instructions with T8 prefix.
620 // SS41AIi8 - SSE 4.1 instructions with TA prefix and ImmT == Imm8.
622 class SS48I<bits<8> o, Format F, dag outs, dag ins, string asm,
623 list<dag> pattern, InstrItinClass itin = NoItinerary>
624 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PD,
625 Requires<[UseSSE41]>;
626 class SS4AIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
627 list<dag> pattern, InstrItinClass itin = NoItinerary>
628 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
629 Requires<[UseSSE41]>;
631 // SSE4.2 Instruction Templates:
633 // SS428I - SSE 4.2 instructions with T8 prefix.
634 class SS428I<bits<8> o, Format F, dag outs, dag ins, string asm,
635 list<dag> pattern, InstrItinClass itin = NoItinerary>
636 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PD,
637 Requires<[UseSSE42]>;
639 // SS42FI - SSE 4.2 instructions with T8XD prefix.
640 // NOTE: 'HasSSE42' is used as SS42FI is only used for CRC32 insns.
641 class SS42FI<bits<8> o, Format F, dag outs, dag ins, string asm,
642 list<dag> pattern, InstrItinClass itin = NoItinerary>
643 : I<o, F, outs, ins, asm, pattern, itin>, T8XD, Requires<[HasSSE42]>;
645 // SS42AI = SSE 4.2 instructions with TA prefix
646 class SS42AI<bits<8> o, Format F, dag outs, dag ins, string asm,
647 list<dag> pattern, InstrItinClass itin = NoItinerary>
648 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
649 Requires<[UseSSE42]>;
651 // AVX Instruction Templates:
652 // Instructions introduced in AVX (no SSE equivalent forms)
654 // AVX8I - AVX instructions with T8PD prefix.
655 // AVXAIi8 - AVX instructions with TAPD prefix and ImmT = Imm8.
656 class AVX8I<bits<8> o, Format F, dag outs, dag ins, string asm,
657 list<dag> pattern, InstrItinClass itin = NoItinerary>
658 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PD,
660 class AVXAIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
661 list<dag> pattern, InstrItinClass itin = NoItinerary>
662 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
665 // AVX2 Instruction Templates:
666 // Instructions introduced in AVX2 (no SSE equivalent forms)
668 // AVX28I - AVX2 instructions with T8PD prefix.
669 // AVX2AIi8 - AVX2 instructions with TAPD prefix and ImmT = Imm8.
670 class AVX28I<bits<8> o, Format F, dag outs, dag ins, string asm,
671 list<dag> pattern, InstrItinClass itin = NoItinerary>
672 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PD,
674 class AVX2AIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
675 list<dag> pattern, InstrItinClass itin = NoItinerary>
676 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
680 // AVX-512 Instruction Templates:
681 // Instructions introduced in AVX-512 (no SSE equivalent forms)
683 // AVX5128I - AVX-512 instructions with T8PD prefix.
684 // AVX512AIi8 - AVX-512 instructions with TAPD prefix and ImmT = Imm8.
685 // AVX512PDI - AVX-512 instructions with PD, double packed.
686 // AVX512PSI - AVX-512 instructions with TB, single packed.
687 // AVX512XS8I - AVX-512 instructions with T8 and XS prefixes.
688 // AVX512XSI - AVX-512 instructions with XS prefix, generic domain.
689 // AVX512BI - AVX-512 instructions with PD, int packed domain.
690 // AVX512SI - AVX-512 scalar instructions with PD prefix.
692 class AVX5128I<bits<8> o, Format F, dag outs, dag ins, string asm,
693 list<dag> pattern, InstrItinClass itin = NoItinerary>
694 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PD,
695 Requires<[HasAVX512]>;
696 class AVX512XS8I<bits<8> o, Format F, dag outs, dag ins, string asm,
697 list<dag> pattern, InstrItinClass itin = NoItinerary>
698 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8XS,
699 Requires<[HasAVX512]>;
700 class AVX512XSI<bits<8> o, Format F, dag outs, dag ins, string asm,
701 list<dag> pattern, InstrItinClass itin = NoItinerary>
702 : I<o, F, outs, ins, asm, pattern, itin>, XS,
703 Requires<[HasAVX512]>;
704 class AVX512XDI<bits<8> o, Format F, dag outs, dag ins, string asm,
705 list<dag> pattern, InstrItinClass itin = NoItinerary>
706 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, XD,
707 Requires<[HasAVX512]>;
708 class AVX512BI<bits<8> o, Format F, dag outs, dag ins, string asm,
709 list<dag> pattern, InstrItinClass itin = NoItinerary>
710 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, PD,
711 Requires<[HasAVX512]>;
712 class AVX512BIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
713 list<dag> pattern, InstrItinClass itin = NoItinerary>
714 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, PD,
715 Requires<[HasAVX512]>;
716 class AVX512AIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
717 list<dag> pattern, InstrItinClass itin = NoItinerary>
718 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
719 Requires<[HasAVX512]>;
720 class AVX512Ii8<bits<8> o, Format F, dag outs, dag ins, string asm,
721 list<dag> pattern, InstrItinClass itin = NoItinerary>
722 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>,
723 Requires<[HasAVX512]>;
724 class AVX512PDI<bits<8> o, Format F, dag outs, dag ins, string asm,
725 list<dag> pattern, InstrItinClass itin = NoItinerary>
726 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, PD,
727 Requires<[HasAVX512]>;
728 class AVX512PSI<bits<8> o, Format F, dag outs, dag ins, string asm,
729 list<dag> pattern, InstrItinClass itin = NoItinerary>
730 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, TB,
731 Requires<[HasAVX512]>;
732 class AVX512PIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
733 list<dag> pattern, Domain d, InstrItinClass itin = NoItinerary>
734 : Ii8<o, F, outs, ins, asm, pattern, itin, d>, Requires<[HasAVX512]>;
735 class AVX512PI<bits<8> o, Format F, dag outs, dag ins, string asm,
736 list<dag> pattern, Domain d, InstrItinClass itin = NoItinerary>
737 : I<o, F, outs, ins, asm, pattern, itin, d>, Requires<[HasAVX512]>;
738 class AVX512FMA3<bits<8> o, Format F, dag outs, dag ins, string asm,
739 list<dag>pattern, InstrItinClass itin = NoItinerary>
740 : I<o, F, outs, ins, asm, pattern, itin>, T8PD,
741 EVEX_4V, Requires<[HasAVX512]>;
743 // AES Instruction Templates:
746 // These use the same encoding as the SSE4.2 T8 and TA encodings.
747 class AES8I<bits<8> o, Format F, dag outs, dag ins, string asm,
748 list<dag>pattern, InstrItinClass itin = IIC_AES>
749 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8PD,
752 class AESAI<bits<8> o, Format F, dag outs, dag ins, string asm,
753 list<dag> pattern, InstrItinClass itin = NoItinerary>
754 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
757 // PCLMUL Instruction Templates
758 class PCLMULIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
759 list<dag>pattern, InstrItinClass itin = NoItinerary>
760 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
761 Requires<[HasPCLMUL]>;
763 class AVXPCLMULIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
764 list<dag>pattern, InstrItinClass itin = NoItinerary>
765 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
766 VEX_4V, Requires<[HasAVX, HasPCLMUL]>;
768 // FMA3 Instruction Templates
769 class FMA3<bits<8> o, Format F, dag outs, dag ins, string asm,
770 list<dag>pattern, InstrItinClass itin = NoItinerary>
771 : I<o, F, outs, ins, asm, pattern, itin>, T8PD,
772 VEX_4V, FMASC, Requires<[HasFMA]>;
774 // FMA4 Instruction Templates
775 class FMA4<bits<8> o, Format F, dag outs, dag ins, string asm,
776 list<dag>pattern, InstrItinClass itin = NoItinerary>
777 : Ii8<o, F, outs, ins, asm, pattern, itin>, TAPD,
778 VEX_4V, VEX_I8IMM, FMASC, Requires<[HasFMA4]>;
780 // XOP 2, 3 and 4 Operand Instruction Template
781 class IXOP<bits<8> o, Format F, dag outs, dag ins, string asm,
782 list<dag> pattern, InstrItinClass itin = NoItinerary>
783 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>,
784 XOP9, Requires<[HasXOP]>;
786 // XOP 2, 3 and 4 Operand Instruction Templates with imm byte
787 class IXOPi8<bits<8> o, Format F, dag outs, dag ins, string asm,
788 list<dag> pattern, InstrItinClass itin = NoItinerary>
789 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>,
790 XOP8, Requires<[HasXOP]>;
792 // XOP 5 operand instruction (VEX encoding!)
793 class IXOP5<bits<8> o, Format F, dag outs, dag ins, string asm,
794 list<dag>pattern, InstrItinClass itin = NoItinerary>
795 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
796 VEX_4V, VEX_I8IMM, Requires<[HasXOP]>;
798 // X86-64 Instruction templates...
801 class RI<bits<8> o, Format F, dag outs, dag ins, string asm,
802 list<dag> pattern, InstrItinClass itin = NoItinerary>
803 : I<o, F, outs, ins, asm, pattern, itin>, REX_W;
804 class RIi8 <bits<8> o, Format F, dag outs, dag ins, string asm,
805 list<dag> pattern, InstrItinClass itin = NoItinerary>
806 : Ii8<o, F, outs, ins, asm, pattern, itin>, REX_W;
807 class RIi16 <bits<8> o, Format F, dag outs, dag ins, string asm,
808 list<dag> pattern, InstrItinClass itin = NoItinerary>
809 : Ii16<o, F, outs, ins, asm, pattern, itin>, REX_W;
810 class RIi32 <bits<8> o, Format F, dag outs, dag ins, string asm,
811 list<dag> pattern, InstrItinClass itin = NoItinerary>
812 : Ii32<o, F, outs, ins, asm, pattern, itin>, REX_W;
813 class RIi32S <bits<8> o, Format F, dag outs, dag ins, string asm,
814 list<dag> pattern, InstrItinClass itin = NoItinerary>
815 : Ii32S<o, F, outs, ins, asm, pattern, itin>, REX_W;
817 class RIi64<bits<8> o, Format f, dag outs, dag ins, string asm,
818 list<dag> pattern, InstrItinClass itin = NoItinerary>
819 : X86Inst<o, f, Imm64, outs, ins, asm, itin>, REX_W {
820 let Pattern = pattern;
824 class RIi64_NOREX<bits<8> o, Format f, dag outs, dag ins, string asm,
825 list<dag> pattern, InstrItinClass itin = NoItinerary>
826 : X86Inst<o, f, Imm64, outs, ins, asm, itin> {
827 let Pattern = pattern;
831 class RSSI<bits<8> o, Format F, dag outs, dag ins, string asm,
832 list<dag> pattern, InstrItinClass itin = NoItinerary>
833 : SSI<o, F, outs, ins, asm, pattern, itin>, REX_W;
834 class RSDI<bits<8> o, Format F, dag outs, dag ins, string asm,
835 list<dag> pattern, InstrItinClass itin = NoItinerary>
836 : SDI<o, F, outs, ins, asm, pattern, itin>, REX_W;
837 class RPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
838 list<dag> pattern, InstrItinClass itin = NoItinerary>
839 : PDI<o, F, outs, ins, asm, pattern, itin>, REX_W;
840 class VRPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
841 list<dag> pattern, InstrItinClass itin = NoItinerary>
842 : VPDI<o, F, outs, ins, asm, pattern, itin>, VEX_W;
843 class RS2I<bits<8> o, Format F, dag outs, dag ins, string asm,
844 list<dag> pattern, InstrItinClass itin = NoItinerary>
845 : S2I<o, F, outs, ins, asm, pattern, itin>, REX_W;
846 class VRS2I<bits<8> o, Format F, dag outs, dag ins, string asm,
847 list<dag> pattern, InstrItinClass itin = NoItinerary>
848 : VS2I<o, F, outs, ins, asm, pattern, itin>, VEX_W;
850 // MMX Instruction templates
853 // MMXI - MMX instructions with TB prefix.
854 // MMXI32 - MMX instructions with TB prefix valid only in 32 bit mode.
855 // MMXI64 - MMX instructions with TB prefix valid only in 64 bit mode.
856 // MMX2I - MMX / SSE2 instructions with PD prefix.
857 // MMXIi8 - MMX instructions with ImmT == Imm8 and TB prefix.
858 // MMXIi8 - MMX instructions with ImmT == Imm8 and TB prefix.
859 // MMXID - MMX instructions with XD prefix.
860 // MMXIS - MMX instructions with XS prefix.
861 class MMXI<bits<8> o, Format F, dag outs, dag ins, string asm,
862 list<dag> pattern, InstrItinClass itin = NoItinerary>
863 : I<o, F, outs, ins, asm, pattern, itin>, TB, Requires<[HasMMX]>;
864 class MMXI32<bits<8> o, Format F, dag outs, dag ins, string asm,
865 list<dag> pattern, InstrItinClass itin = NoItinerary>
866 : I<o, F, outs, ins, asm, pattern, itin>, TB, Requires<[HasMMX,Not64BitMode]>;
867 class MMXI64<bits<8> o, Format F, dag outs, dag ins, string asm,
868 list<dag> pattern, InstrItinClass itin = NoItinerary>
869 : I<o, F, outs, ins, asm, pattern, itin>, TB, Requires<[HasMMX,In64BitMode]>;
870 class MMXRI<bits<8> o, Format F, dag outs, dag ins, string asm,
871 list<dag> pattern, InstrItinClass itin = NoItinerary>
872 : I<o, F, outs, ins, asm, pattern, itin>, TB, REX_W, Requires<[HasMMX]>;
873 class MMX2I<bits<8> o, Format F, dag outs, dag ins, string asm,
874 list<dag> pattern, InstrItinClass itin = NoItinerary>
875 : I<o, F, outs, ins, asm, pattern, itin>, PD, Requires<[HasMMX]>;
876 class MMXIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
877 list<dag> pattern, InstrItinClass itin = NoItinerary>
878 : Ii8<o, F, outs, ins, asm, pattern, itin>, TB, Requires<[HasMMX]>;
879 class MMXID<bits<8> o, Format F, dag outs, dag ins, string asm,
880 list<dag> pattern, InstrItinClass itin = NoItinerary>
881 : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[HasMMX]>;
882 class MMXIS<bits<8> o, Format F, dag outs, dag ins, string asm,
883 list<dag> pattern, InstrItinClass itin = NoItinerary>
884 : Ii8<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[HasMMX]>;