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