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>;
25 def MRM0r : Format<16>; def MRM1r : Format<17>; def MRM2r : Format<18>;
26 def MRM3r : Format<19>; def MRM4r : Format<20>; def MRM5r : Format<21>;
27 def MRM6r : Format<22>; def MRM7r : Format<23>;
28 def MRM0m : Format<24>; def MRM1m : Format<25>; def MRM2m : Format<26>;
29 def MRM3m : Format<27>; def MRM4m : Format<28>; def MRM5m : Format<29>;
30 def MRM6m : Format<30>; def MRM7m : Format<31>;
31 def MRM_C1 : Format<33>;
32 def MRM_C2 : Format<34>;
33 def MRM_C3 : Format<35>;
34 def MRM_C4 : Format<36>;
35 def MRM_C8 : Format<37>;
36 def MRM_C9 : Format<38>;
37 def MRM_CA : Format<39>;
38 def MRM_CB : Format<40>;
39 def MRM_E8 : Format<41>;
40 def MRM_F0 : Format<42>;
41 def RawFrmImm8 : Format<43>;
42 def RawFrmImm16 : Format<44>;
43 def MRM_F8 : Format<45>;
44 def MRM_F9 : Format<46>;
45 def MRM_D0 : Format<47>;
46 def MRM_D1 : Format<48>;
47 def MRM_D4 : Format<49>;
48 def MRM_D5 : Format<50>;
49 def MRM_D6 : Format<51>;
50 def MRM_D8 : Format<52>;
51 def MRM_D9 : Format<53>;
52 def MRM_DA : Format<54>;
53 def MRM_DB : Format<55>;
54 def MRM_DC : Format<56>;
55 def MRM_DD : Format<57>;
56 def MRM_DE : Format<58>;
57 def MRM_DF : Format<59>;
59 // ImmType - This specifies the immediate type used by an instruction. This is
60 // part of the ad-hoc solution used to emit machine instruction encodings by our
61 // machine code emitter.
62 class ImmType<bits<3> val> {
65 def NoImm : ImmType<0>;
66 def Imm8 : ImmType<1>;
67 def Imm8PCRel : ImmType<2>;
68 def Imm16 : ImmType<3>;
69 def Imm16PCRel : ImmType<4>;
70 def Imm32 : ImmType<5>;
71 def Imm32PCRel : ImmType<6>;
72 def Imm64 : ImmType<7>;
74 // FPFormat - This specifies what form this FP instruction has. This is used by
75 // the Floating-Point stackifier pass.
76 class FPFormat<bits<3> val> {
79 def NotFP : FPFormat<0>;
80 def ZeroArgFP : FPFormat<1>;
81 def OneArgFP : FPFormat<2>;
82 def OneArgFPRW : FPFormat<3>;
83 def TwoArgFP : FPFormat<4>;
84 def CompareFP : FPFormat<5>;
85 def CondMovFP : FPFormat<6>;
86 def SpecialFP : FPFormat<7>;
88 // Class specifying the SSE execution domain, used by the SSEDomainFix pass.
89 // Keep in sync with tables in X86InstrInfo.cpp.
90 class Domain<bits<2> val> {
93 def GenericDomain : Domain<0>;
94 def SSEPackedSingle : Domain<1>;
95 def SSEPackedDouble : Domain<2>;
96 def SSEPackedInt : Domain<3>;
98 // Class specifying the vector form of the decompressed
99 // displacement of 8-bit.
100 class CD8VForm<bits<3> val> {
103 def CD8VF : CD8VForm<0>; // v := VL
104 def CD8VH : CD8VForm<1>; // v := VL/2
105 def CD8VQ : CD8VForm<2>; // v := VL/4
106 def CD8VO : CD8VForm<3>; // v := VL/8
107 def CD8VT1 : CD8VForm<4>; // v := 1
108 def CD8VT2 : CD8VForm<5>; // v := 2
109 def CD8VT4 : CD8VForm<6>; // v := 4
110 def CD8VT8 : CD8VForm<7>; // v := 8
112 // Prefix byte classes which are used to indicate to the ad-hoc machine code
113 // emitter that various prefix bytes are required.
114 class OpSize { bit hasOpSizePrefix = 1; }
115 class OpSize16 { bit hasOpSize16Prefix = 1; }
116 class AdSize { bit hasAdSizePrefix = 1; }
117 class REX_W { bit hasREX_WPrefix = 1; }
118 class LOCK { bit hasLockPrefix = 1; }
119 class TB { bits<5> Prefix = 1; }
120 class REP { bits<5> Prefix = 2; }
121 class D8 { bits<5> Prefix = 3; }
122 class D9 { bits<5> Prefix = 4; }
123 class DA { bits<5> Prefix = 5; }
124 class DB { bits<5> Prefix = 6; }
125 class DC { bits<5> Prefix = 7; }
126 class DD { bits<5> Prefix = 8; }
127 class DE { bits<5> Prefix = 9; }
128 class DF { bits<5> Prefix = 10; }
129 class XD { bits<5> Prefix = 11; }
130 class XS { bits<5> Prefix = 12; }
131 class T8 { bits<5> Prefix = 13; }
132 class TA { bits<5> Prefix = 14; }
133 class A6 { bits<5> Prefix = 15; }
134 class A7 { bits<5> Prefix = 16; }
135 class T8XD { bits<5> Prefix = 17; }
136 class T8XS { bits<5> Prefix = 18; }
137 class TAXD { bits<5> Prefix = 19; }
138 class XOP8 { bits<5> Prefix = 20; }
139 class XOP9 { bits<5> Prefix = 21; }
140 class XOPA { bits<5> Prefix = 22; }
141 class VEX { bit hasVEXPrefix = 1; }
142 class VEX_W { bit hasVEX_WPrefix = 1; }
143 class VEX_4V : VEX { bit hasVEX_4VPrefix = 1; }
144 class VEX_4VOp3 : VEX { bit hasVEX_4VOp3Prefix = 1; }
145 class VEX_I8IMM { bit hasVEX_i8ImmReg = 1; }
146 class VEX_L { bit hasVEX_L = 1; }
147 class VEX_LIG { bit ignoresVEX_L = 1; }
148 class EVEX : VEX { bit hasEVEXPrefix = 1; }
149 class EVEX_4V : VEX_4V { bit hasEVEXPrefix = 1; }
150 class EVEX_K { bit hasEVEX_K = 1; }
151 class EVEX_KZ : EVEX_K { bit hasEVEX_Z = 1; }
152 class EVEX_B { bit hasEVEX_B = 1; }
153 class EVEX_RC { bit hasEVEX_RC = 1; }
154 class EVEX_V512 { bit hasEVEX_L2 = 1; bit hasVEX_L = 0; }
155 class EVEX_CD8<int esize, CD8VForm form> {
156 bits<2> EVEX_CD8E = !if(!eq(esize, 8), 0b00,
157 !if(!eq(esize, 16), 0b01,
158 !if(!eq(esize, 32), 0b10,
159 !if(!eq(esize, 64), 0b11, ?))));
160 bits<3> EVEX_CD8V = form.Value;
162 class Has3DNow0F0FOpcode { bit has3DNow0F0FOpcode = 1; }
163 class MemOp4 { bit hasMemOp4Prefix = 1; }
164 class XOP { bit hasXOP_Prefix = 1; }
165 class X86Inst<bits<8> opcod, Format f, ImmType i, dag outs, dag ins,
168 Domain d = GenericDomain>
170 let Namespace = "X86";
172 bits<8> Opcode = opcod;
174 bits<6> FormBits = Form.Value;
177 dag OutOperandList = outs;
178 dag InOperandList = ins;
179 string AsmString = AsmStr;
181 // If this is a pseudo instruction, mark it isCodeGenOnly.
182 let isCodeGenOnly = !eq(!cast<string>(f), "Pseudo");
184 let Itinerary = itin;
187 // Attributes specific to X86 instructions...
189 bit ForceDisassemble = 0; // Force instruction to disassemble even though it's
190 // isCodeGenonly. Needed to hide an ambiguous
191 // AsmString from the parser, but still disassemble.
193 bit hasOpSizePrefix = 0; // Does this inst have a 0x66 prefix?
194 bit hasOpSize16Prefix = 0;// Does this inst have a 0x66 prefix in 16-bit mode?
195 bit hasAdSizePrefix = 0; // Does this inst have a 0x67 prefix?
197 bits<5> Prefix = 0; // Which prefix byte does this inst have?
198 bit hasREX_WPrefix = 0; // Does this inst require the REX.W prefix?
199 FPFormat FPForm = NotFP; // What flavor of FP instruction is this?
200 bit hasLockPrefix = 0; // Does this inst have a 0xF0 prefix?
201 Domain ExeDomain = d;
202 bit hasVEXPrefix = 0; // Does this inst require a VEX prefix?
203 bit hasVEX_WPrefix = 0; // Does this inst set the VEX_W field?
204 bit hasVEX_4VPrefix = 0; // Does this inst require the VEX.VVVV field?
205 bit hasVEX_4VOp3Prefix = 0; // Does this inst require the VEX.VVVV field to
206 // encode the third operand?
207 bit hasVEX_i8ImmReg = 0; // Does this inst require the last source register
208 // to be encoded in a immediate field?
209 bit hasVEX_L = 0; // Does this inst use large (256-bit) registers?
210 bit ignoresVEX_L = 0; // Does this instruction ignore the L-bit
211 bit hasEVEXPrefix = 0; // Does this inst require EVEX form?
212 bit hasEVEX_K = 0; // Does this inst require masking?
213 bit hasEVEX_Z = 0; // Does this inst set the EVEX_Z field?
214 bit hasEVEX_L2 = 0; // Does this inst set the EVEX_L2 field?
215 bit hasEVEX_B = 0; // Does this inst set the EVEX_B field?
216 bits<2> EVEX_CD8E = 0; // Compressed disp8 form - element-size.
217 bits<3> EVEX_CD8V = 0; // Compressed disp8 form - vector-width.
218 bit has3DNow0F0FOpcode =0;// Wacky 3dNow! encoding?
219 bit hasMemOp4Prefix = 0; // Same bit as VEX_W, but used for swapping operands
220 bit hasXOP_Prefix = 0; // Does this inst require an XOP prefix?
221 bit hasEVEX_RC = 0; // Explicitly specified rounding control in FP instruction.
223 // TSFlags layout should be kept in sync with X86InstrInfo.h.
224 let TSFlags{5-0} = FormBits;
225 let TSFlags{6} = hasOpSizePrefix;
226 let TSFlags{7} = hasOpSize16Prefix;
227 let TSFlags{8} = hasAdSizePrefix;
228 let TSFlags{13-9} = Prefix;
229 let TSFlags{14} = hasREX_WPrefix;
230 let TSFlags{17-15} = ImmT.Value;
231 let TSFlags{20-18} = FPForm.Value;
232 let TSFlags{21} = hasLockPrefix;
233 let TSFlags{23-22} = ExeDomain.Value;
234 let TSFlags{31-24} = Opcode;
235 let TSFlags{32} = hasVEXPrefix;
236 let TSFlags{33} = hasVEX_WPrefix;
237 let TSFlags{34} = hasVEX_4VPrefix;
238 let TSFlags{35} = hasVEX_4VOp3Prefix;
239 let TSFlags{36} = hasVEX_i8ImmReg;
240 let TSFlags{37} = hasVEX_L;
241 let TSFlags{38} = ignoresVEX_L;
242 let TSFlags{39} = hasEVEXPrefix;
243 let TSFlags{40} = hasEVEX_K;
244 let TSFlags{41} = hasEVEX_Z;
245 let TSFlags{42} = hasEVEX_L2;
246 let TSFlags{43} = hasEVEX_B;
247 let TSFlags{45-44} = EVEX_CD8E;
248 let TSFlags{48-46} = EVEX_CD8V;
249 let TSFlags{49} = has3DNow0F0FOpcode;
250 let TSFlags{50} = hasMemOp4Prefix;
251 let TSFlags{51} = hasXOP_Prefix;
252 let TSFlags{52} = hasEVEX_RC;
255 class PseudoI<dag oops, dag iops, list<dag> pattern>
256 : X86Inst<0, Pseudo, NoImm, oops, iops, "", NoItinerary> {
257 let Pattern = pattern;
260 class I<bits<8> o, Format f, dag outs, dag ins, string asm,
261 list<dag> pattern, InstrItinClass itin = NoItinerary,
262 Domain d = GenericDomain>
263 : X86Inst<o, f, NoImm, outs, ins, asm, itin, d> {
264 let Pattern = pattern;
267 class Ii8 <bits<8> o, Format f, dag outs, dag ins, string asm,
268 list<dag> pattern, InstrItinClass itin = NoItinerary,
269 Domain d = GenericDomain>
270 : X86Inst<o, f, Imm8, outs, ins, asm, itin, d> {
271 let Pattern = pattern;
274 class Ii8PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
275 list<dag> pattern, InstrItinClass itin = NoItinerary>
276 : X86Inst<o, f, Imm8PCRel, outs, ins, asm, itin> {
277 let Pattern = pattern;
280 class Ii16<bits<8> o, Format f, dag outs, dag ins, string asm,
281 list<dag> pattern, InstrItinClass itin = NoItinerary>
282 : X86Inst<o, f, Imm16, outs, ins, asm, itin> {
283 let Pattern = pattern;
286 class Ii32<bits<8> o, Format f, dag outs, dag ins, string asm,
287 list<dag> pattern, InstrItinClass itin = NoItinerary>
288 : X86Inst<o, f, Imm32, outs, ins, asm, itin> {
289 let Pattern = pattern;
293 class Ii16PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
294 list<dag> pattern, InstrItinClass itin = NoItinerary>
295 : X86Inst<o, f, Imm16PCRel, outs, ins, asm, itin> {
296 let Pattern = pattern;
300 class Ii32PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
301 list<dag> pattern, InstrItinClass itin = NoItinerary>
302 : X86Inst<o, f, Imm32PCRel, outs, ins, asm, itin> {
303 let Pattern = pattern;
307 // FPStack Instruction Templates:
308 // FPI - Floating Point Instruction template.
309 class FPI<bits<8> o, Format F, dag outs, dag ins, string asm,
310 InstrItinClass itin = NoItinerary>
311 : I<o, F, outs, ins, asm, [], itin> {}
313 // FpI_ - Floating Point Pseudo Instruction template. Not Predicated.
314 class FpI_<dag outs, dag ins, FPFormat fp, list<dag> pattern,
315 InstrItinClass itin = NoItinerary>
316 : X86Inst<0, Pseudo, NoImm, outs, ins, "", itin> {
318 let Pattern = pattern;
321 // Templates for instructions that use a 16- or 32-bit segmented address as
322 // their only operand: lcall (FAR CALL) and ljmp (FAR JMP)
324 // Iseg16 - 16-bit segment selector, 16-bit offset
325 // Iseg32 - 16-bit segment selector, 32-bit offset
327 class Iseg16 <bits<8> o, Format f, dag outs, dag ins, string asm,
328 list<dag> pattern, InstrItinClass itin = NoItinerary>
329 : X86Inst<o, f, Imm16, outs, ins, asm, itin> {
330 let Pattern = pattern;
334 class Iseg32 <bits<8> o, Format f, dag outs, dag ins, string asm,
335 list<dag> pattern, InstrItinClass itin = NoItinerary>
336 : X86Inst<o, f, Imm32, outs, ins, asm, itin> {
337 let Pattern = pattern;
344 // SI - SSE 1 & 2 scalar instructions
345 class SI<bits<8> o, Format F, dag outs, dag ins, string asm,
346 list<dag> pattern, InstrItinClass itin = NoItinerary>
347 : I<o, F, outs, ins, asm, pattern, itin> {
348 let Predicates = !if(hasEVEXPrefix /* EVEX */, [HasAVX512],
349 !if(hasVEXPrefix /* VEX */, [UseAVX],
350 !if(!eq(Prefix, __xs.Prefix), [UseSSE1],
351 !if(!eq(Prefix, __xd.Prefix), [UseSSE2],
352 !if(hasOpSizePrefix, [UseSSE2], [UseSSE1])))));
354 // AVX instructions have a 'v' prefix in the mnemonic
355 let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
358 // SIi8 - SSE 1 & 2 scalar instructions
359 class SIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
360 list<dag> pattern, InstrItinClass itin = NoItinerary>
361 : Ii8<o, F, outs, ins, asm, pattern, itin> {
362 let Predicates = !if(hasEVEXPrefix /* EVEX */, [HasAVX512],
363 !if(hasVEXPrefix /* VEX */, [UseAVX],
364 !if(!eq(Prefix, __xs.Prefix), [UseSSE1], [UseSSE2])));
366 // AVX instructions have a 'v' prefix in the mnemonic
367 let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
370 // PI - SSE 1 & 2 packed instructions
371 class PI<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pattern,
372 InstrItinClass itin, Domain d>
373 : I<o, F, outs, ins, asm, pattern, itin, d> {
374 let Predicates = !if(hasEVEXPrefix /* EVEX */, [HasAVX512],
375 !if(hasVEXPrefix /* VEX */, [HasAVX],
376 !if(hasOpSizePrefix /* OpSize */, [UseSSE2], [UseSSE1])));
378 // AVX instructions have a 'v' prefix in the mnemonic
379 let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
382 // MMXPI - SSE 1 & 2 packed instructions with MMX operands
383 class MMXPI<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pattern,
384 InstrItinClass itin, Domain d>
385 : I<o, F, outs, ins, asm, pattern, itin, d> {
386 let Predicates = !if(hasOpSizePrefix /* OpSize */, [HasSSE2], [HasSSE1]);
389 // PIi8 - SSE 1 & 2 packed instructions with immediate
390 class PIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
391 list<dag> pattern, InstrItinClass itin, Domain d>
392 : Ii8<o, F, outs, ins, asm, pattern, itin, d> {
393 let Predicates = !if(hasEVEXPrefix /* EVEX */, [HasAVX512],
394 !if(hasVEXPrefix /* VEX */, [HasAVX],
395 !if(hasOpSizePrefix /* OpSize */, [UseSSE2], [UseSSE1])));
397 // AVX instructions have a 'v' prefix in the mnemonic
398 let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
401 // SSE1 Instruction Templates:
403 // SSI - SSE1 instructions with XS prefix.
404 // PSI - SSE1 instructions with TB prefix.
405 // PSIi8 - SSE1 instructions with ImmT == Imm8 and TB prefix.
406 // VSSI - SSE1 instructions with XS prefix in AVX form.
407 // VPSI - SSE1 instructions with TB prefix in AVX form, packed single.
409 class SSI<bits<8> o, Format F, dag outs, dag ins, string asm,
410 list<dag> pattern, InstrItinClass itin = NoItinerary>
411 : I<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[UseSSE1]>;
412 class SSIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
413 list<dag> pattern, InstrItinClass itin = NoItinerary>
414 : Ii8<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[UseSSE1]>;
415 class PSI<bits<8> o, Format F, dag outs, dag ins, string asm,
416 list<dag> pattern, InstrItinClass itin = NoItinerary>
417 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, TB,
419 class PSIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
420 list<dag> pattern, InstrItinClass itin = NoItinerary>
421 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, TB,
423 class VSSI<bits<8> o, Format F, dag outs, dag ins, string asm,
424 list<dag> pattern, InstrItinClass itin = NoItinerary>
425 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, XS,
427 class VPSI<bits<8> o, Format F, dag outs, dag ins, string asm,
428 list<dag> pattern, InstrItinClass itin = NoItinerary>
429 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin, SSEPackedSingle>, TB,
432 // SSE2 Instruction Templates:
434 // SDI - SSE2 instructions with XD prefix.
435 // SDIi8 - SSE2 instructions with ImmT == Imm8 and XD prefix.
436 // S2SI - SSE2 instructions with XS prefix.
437 // SSDIi8 - SSE2 instructions with ImmT == Imm8 and XS prefix.
438 // PDI - SSE2 instructions with TB and OpSize prefixes, packed double domain.
439 // PDIi8 - SSE2 instructions with ImmT == Imm8 and TB and OpSize prefixes.
440 // VSDI - SSE2 scalar instructions with XD prefix in AVX form.
441 // VPDI - SSE2 vector instructions with TB and OpSize prefixes in AVX form,
442 // packed double domain.
443 // VS2I - SSE2 scalar instructions with TB and OpSize prefixes in AVX form.
444 // S2I - SSE2 scalar instructions with TB and OpSize prefixes.
445 // MMXSDIi8 - SSE2 instructions with ImmT == Imm8 and XD prefix as well as
447 // MMXSSDIi8 - SSE2 instructions with ImmT == Imm8 and XS prefix as well as
450 class SDI<bits<8> o, Format F, dag outs, dag ins, string asm,
451 list<dag> pattern, InstrItinClass itin = NoItinerary>
452 : I<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[UseSSE2]>;
453 class SDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
454 list<dag> pattern, InstrItinClass itin = NoItinerary>
455 : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[UseSSE2]>;
456 class S2SI<bits<8> o, Format F, dag outs, dag ins, string asm,
457 list<dag> pattern, InstrItinClass itin = NoItinerary>
458 : I<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[UseSSE2]>;
459 class S2SIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
460 list<dag> pattern, InstrItinClass itin = NoItinerary>
461 : Ii8<o, F, outs, ins, asm, pattern>, XS, Requires<[UseSSE2]>;
462 class PDI<bits<8> o, Format F, dag outs, dag ins, string asm,
463 list<dag> pattern, InstrItinClass itin = NoItinerary>
464 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, TB, OpSize,
466 class PDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
467 list<dag> pattern, InstrItinClass itin = NoItinerary>
468 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, TB, OpSize,
470 class VSDI<bits<8> o, Format F, dag outs, dag ins, string asm,
471 list<dag> pattern, InstrItinClass itin = NoItinerary>
472 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, XD,
474 class VS2SI<bits<8> o, Format F, dag outs, dag ins, string asm,
475 list<dag> pattern, InstrItinClass itin = NoItinerary>
476 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, XS,
478 class VPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
479 list<dag> pattern, InstrItinClass itin = NoItinerary>
480 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin, SSEPackedDouble>, TB,
481 OpSize, Requires<[HasAVX]>;
482 class VS2I<bits<8> o, Format F, dag outs, dag ins, string asm,
483 list<dag> pattern, InstrItinClass itin = NoItinerary>
484 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, TB,
485 OpSize, Requires<[UseAVX]>;
486 class S2I<bits<8> o, Format F, dag outs, dag ins, string asm,
487 list<dag> pattern, InstrItinClass itin = NoItinerary>
488 : I<o, F, outs, ins, asm, pattern, itin>, TB,
489 OpSize, Requires<[UseSSE2]>;
490 class MMXSDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
491 list<dag> pattern, InstrItinClass itin = NoItinerary>
492 : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[HasSSE2]>;
493 class MMXS2SIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
494 list<dag> pattern, InstrItinClass itin = NoItinerary>
495 : Ii8<o, F, outs, ins, asm, pattern>, XS, Requires<[HasSSE2]>;
497 // SSE3 Instruction Templates:
499 // S3I - SSE3 instructions with TB and OpSize prefixes.
500 // S3SI - SSE3 instructions with XS prefix.
501 // S3DI - SSE3 instructions with XD prefix.
503 class S3SI<bits<8> o, Format F, dag outs, dag ins, string asm,
504 list<dag> pattern, InstrItinClass itin = NoItinerary>
505 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, XS,
507 class S3DI<bits<8> o, Format F, dag outs, dag ins, string asm,
508 list<dag> pattern, InstrItinClass itin = NoItinerary>
509 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, XD,
511 class S3I<bits<8> o, Format F, dag outs, dag ins, string asm,
512 list<dag> pattern, InstrItinClass itin = NoItinerary>
513 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, TB, OpSize,
517 // SSSE3 Instruction Templates:
519 // SS38I - SSSE3 instructions with T8 prefix.
520 // SS3AI - SSSE3 instructions with TA prefix.
521 // MMXSS38I - SSSE3 instructions with T8 prefix and MMX operands.
522 // MMXSS3AI - SSSE3 instructions with TA prefix and MMX operands.
524 // Note: SSSE3 instructions have 64-bit and 128-bit versions. The 64-bit version
525 // uses the MMX registers. The 64-bit versions are grouped with the MMX
526 // classes. They need to be enabled even if AVX is enabled.
528 class SS38I<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, SSEPackedInt>, T8,
531 Requires<[UseSSSE3]>;
532 class SS3AI<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, itin, SSEPackedInt>, TA,
535 Requires<[UseSSSE3]>;
536 class MMXSS38I<bits<8> o, Format F, dag outs, dag ins, string asm,
537 list<dag> pattern, InstrItinClass itin = NoItinerary>
538 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8,
539 Requires<[HasSSSE3]>;
540 class MMXSS3AI<bits<8> o, Format F, dag outs, dag ins, string asm,
541 list<dag> pattern, InstrItinClass itin = NoItinerary>
542 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
543 Requires<[HasSSSE3]>;
545 // SSE4.1 Instruction Templates:
547 // SS48I - SSE 4.1 instructions with T8 prefix.
548 // SS41AIi8 - SSE 4.1 instructions with TA prefix and ImmT == Imm8.
550 class SS48I<bits<8> o, Format F, dag outs, dag ins, string asm,
551 list<dag> pattern, InstrItinClass itin = NoItinerary>
552 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8,
553 Requires<[UseSSE41]>;
554 class SS4AIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
555 list<dag> pattern, InstrItinClass itin = NoItinerary>
556 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
557 Requires<[UseSSE41]>;
559 // SSE4.2 Instruction Templates:
561 // SS428I - SSE 4.2 instructions with T8 prefix.
562 class SS428I<bits<8> o, Format F, dag outs, dag ins, string asm,
563 list<dag> pattern, InstrItinClass itin = NoItinerary>
564 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8,
565 Requires<[UseSSE42]>;
567 // SS42FI - SSE 4.2 instructions with T8XD prefix.
568 // NOTE: 'HasSSE42' is used as SS42FI is only used for CRC32 insns.
569 class SS42FI<bits<8> o, Format F, dag outs, dag ins, string asm,
570 list<dag> pattern, InstrItinClass itin = NoItinerary>
571 : I<o, F, outs, ins, asm, pattern, itin>, T8XD, Requires<[HasSSE42]>;
573 // SS42AI = SSE 4.2 instructions with TA prefix
574 class SS42AI<bits<8> o, Format F, dag outs, dag ins, string asm,
575 list<dag> pattern, InstrItinClass itin = NoItinerary>
576 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
577 Requires<[UseSSE42]>;
579 // AVX Instruction Templates:
580 // Instructions introduced in AVX (no SSE equivalent forms)
582 // AVX8I - AVX instructions with T8 and OpSize prefix.
583 // AVXAIi8 - AVX instructions with TA, OpSize prefix and ImmT = Imm8.
584 class AVX8I<bits<8> o, Format F, dag outs, dag ins, string asm,
585 list<dag> pattern, InstrItinClass itin = NoItinerary>
586 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8, OpSize,
588 class AVXAIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
589 list<dag> pattern, InstrItinClass itin = NoItinerary>
590 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA, OpSize,
593 // AVX2 Instruction Templates:
594 // Instructions introduced in AVX2 (no SSE equivalent forms)
596 // AVX28I - AVX2 instructions with T8 and OpSize prefix.
597 // AVX2AIi8 - AVX2 instructions with TA, OpSize prefix and ImmT = Imm8.
598 class AVX28I<bits<8> o, Format F, dag outs, dag ins, string asm,
599 list<dag> pattern, InstrItinClass itin = NoItinerary>
600 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8, OpSize,
602 class AVX2AIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
603 list<dag> pattern, InstrItinClass itin = NoItinerary>
604 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA, OpSize,
608 // AVX-512 Instruction Templates:
609 // Instructions introduced in AVX-512 (no SSE equivalent forms)
611 // AVX5128I - AVX-512 instructions with T8 and OpSize prefix.
612 // AVX512AIi8 - AVX-512 instructions with TA, OpSize prefix and ImmT = Imm8.
613 // AVX512PDI - AVX-512 instructions with TB, OpSize, double packed.
614 // AVX512PSI - AVX-512 instructions with TB, single packed.
615 // AVX512XS8I - AVX-512 instructions with T8 and XS prefixes.
616 // AVX512XSI - AVX-512 instructions with XS prefix, generic domain.
617 // AVX512BI - AVX-512 instructions with TB, OpSize, int packed domain.
618 // AVX512SI - AVX-512 scalar instructions with TB and OpSize prefixes.
620 class AVX5128I<bits<8> o, Format F, dag outs, dag ins, string asm,
621 list<dag> pattern, InstrItinClass itin = NoItinerary>
622 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8, OpSize,
623 Requires<[HasAVX512]>;
624 class AVX512XS8I<bits<8> o, Format F, dag outs, dag ins, string asm,
625 list<dag> pattern, InstrItinClass itin = NoItinerary>
626 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8XS,
627 Requires<[HasAVX512]>;
628 class AVX512XSI<bits<8> o, Format F, dag outs, dag ins, string asm,
629 list<dag> pattern, InstrItinClass itin = NoItinerary>
630 : I<o, F, outs, ins, asm, pattern, itin>, XS,
631 Requires<[HasAVX512]>;
632 class AVX512XDI<bits<8> o, Format F, dag outs, dag ins, string asm,
633 list<dag> pattern, InstrItinClass itin = NoItinerary>
634 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, XD,
635 Requires<[HasAVX512]>;
636 class AVX512BI<bits<8> o, Format F, dag outs, dag ins, string asm,
637 list<dag> pattern, InstrItinClass itin = NoItinerary>
638 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TB, OpSize,
639 Requires<[HasAVX512]>;
640 class AVX512BIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
641 list<dag> pattern, InstrItinClass itin = NoItinerary>
642 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TB, OpSize,
643 Requires<[HasAVX512]>;
644 class AVX512SI<bits<8> o, Format F, dag outs, dag ins, string asm,
645 list<dag> pattern, InstrItinClass itin = NoItinerary>
646 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TB, OpSize,
647 Requires<[HasAVX512]>;
648 class AVX512AIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
649 list<dag> pattern, InstrItinClass itin = NoItinerary>
650 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA, OpSize,
651 Requires<[HasAVX512]>;
652 class AVX512Ii8<bits<8> o, Format F, dag outs, dag ins, string asm,
653 list<dag> pattern, InstrItinClass itin = NoItinerary>
654 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TB,
655 Requires<[HasAVX512]>;
656 class AVX512PDI<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, SSEPackedDouble>, TB,
659 OpSize, Requires<[HasAVX512]>;
660 class AVX512PSI<bits<8> o, Format F, dag outs, dag ins, string asm,
661 list<dag> pattern, InstrItinClass itin = NoItinerary>
662 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, TB,
663 Requires<[HasAVX512]>;
664 class AVX512PIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
665 list<dag> pattern, Domain d, InstrItinClass itin = NoItinerary>
666 : Ii8<o, F, outs, ins, asm, pattern, itin, d>, TB, Requires<[HasAVX512]>;
667 class AVX512PI<bits<8> o, Format F, dag outs, dag ins, string asm,
668 list<dag> pattern, Domain d, InstrItinClass itin = NoItinerary>
669 : I<o, F, outs, ins, asm, pattern, itin, d>, TB, Requires<[HasAVX512]>;
670 class AVX512FMA3<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>, T8,
673 OpSize, EVEX_4V, Requires<[HasAVX512]>;
675 // AES Instruction Templates:
678 // These use the same encoding as the SSE4.2 T8 and TA encodings.
679 class AES8I<bits<8> o, Format F, dag outs, dag ins, string asm,
680 list<dag>pattern, InstrItinClass itin = IIC_AES>
681 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8,
684 class AESAI<bits<8> o, Format F, dag outs, dag ins, string asm,
685 list<dag> pattern, InstrItinClass itin = NoItinerary>
686 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
689 // PCLMUL Instruction Templates
690 class PCLMULIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
691 list<dag>pattern, InstrItinClass itin = NoItinerary>
692 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
693 OpSize, Requires<[HasPCLMUL]>;
695 class AVXPCLMULIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
696 list<dag>pattern, InstrItinClass itin = NoItinerary>
697 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
698 OpSize, VEX_4V, Requires<[HasAVX, HasPCLMUL]>;
700 // FMA3 Instruction Templates
701 class FMA3<bits<8> o, Format F, dag outs, dag ins, string asm,
702 list<dag>pattern, InstrItinClass itin = NoItinerary>
703 : I<o, F, outs, ins, asm, pattern, itin>, T8,
704 OpSize, VEX_4V, FMASC, Requires<[HasFMA]>;
706 // FMA4 Instruction Templates
707 class FMA4<bits<8> o, Format F, dag outs, dag ins, string asm,
708 list<dag>pattern, InstrItinClass itin = NoItinerary>
709 : Ii8<o, F, outs, ins, asm, pattern, itin>, TA,
710 OpSize, VEX_4V, VEX_I8IMM, FMASC, Requires<[HasFMA4]>;
712 // XOP 2, 3 and 4 Operand Instruction Template
713 class IXOP<bits<8> o, Format F, dag outs, dag ins, string asm,
714 list<dag> pattern, InstrItinClass itin = NoItinerary>
715 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>,
716 XOP, XOP9, Requires<[HasXOP]>;
718 // XOP 2, 3 and 4 Operand Instruction Templates with imm byte
719 class IXOPi8<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, SSEPackedDouble>,
722 XOP, XOP8, Requires<[HasXOP]>;
724 // XOP 5 operand instruction (VEX encoding!)
725 class IXOP5<bits<8> o, Format F, dag outs, dag ins, string asm,
726 list<dag>pattern, InstrItinClass itin = NoItinerary>
727 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
728 OpSize, VEX_4V, VEX_I8IMM, Requires<[HasXOP]>;
730 // X86-64 Instruction templates...
733 class RI<bits<8> o, Format F, dag outs, dag ins, string asm,
734 list<dag> pattern, InstrItinClass itin = NoItinerary>
735 : I<o, F, outs, ins, asm, pattern, itin>, REX_W;
736 class RIi8 <bits<8> o, Format F, dag outs, dag ins, string asm,
737 list<dag> pattern, InstrItinClass itin = NoItinerary>
738 : Ii8<o, F, outs, ins, asm, pattern, itin>, REX_W;
739 class RIi32 <bits<8> o, Format F, dag outs, dag ins, string asm,
740 list<dag> pattern, InstrItinClass itin = NoItinerary>
741 : Ii32<o, F, outs, ins, asm, pattern, itin>, REX_W;
743 class RIi64<bits<8> o, Format f, dag outs, dag ins, string asm,
744 list<dag> pattern, InstrItinClass itin = NoItinerary>
745 : X86Inst<o, f, Imm64, outs, ins, asm, itin>, REX_W {
746 let Pattern = pattern;
750 class RIi64_NOREX<bits<8> o, Format f, dag outs, dag ins, string asm,
751 list<dag> pattern, InstrItinClass itin = NoItinerary>
752 : X86Inst<o, f, Imm64, outs, ins, asm, itin> {
753 let Pattern = pattern;
757 class RSSI<bits<8> o, Format F, dag outs, dag ins, string asm,
758 list<dag> pattern, InstrItinClass itin = NoItinerary>
759 : SSI<o, F, outs, ins, asm, pattern, itin>, REX_W;
760 class RSDI<bits<8> o, Format F, dag outs, dag ins, string asm,
761 list<dag> pattern, InstrItinClass itin = NoItinerary>
762 : SDI<o, F, outs, ins, asm, pattern, itin>, REX_W;
763 class RPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
764 list<dag> pattern, InstrItinClass itin = NoItinerary>
765 : PDI<o, F, outs, ins, asm, pattern, itin>, REX_W;
766 class VRPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
767 list<dag> pattern, InstrItinClass itin = NoItinerary>
768 : VPDI<o, F, outs, ins, asm, pattern, itin>, VEX_W;
769 class RS2I<bits<8> o, Format F, dag outs, dag ins, string asm,
770 list<dag> pattern, InstrItinClass itin = NoItinerary>
771 : S2I<o, F, outs, ins, asm, pattern, itin>, REX_W;
772 class VRS2I<bits<8> o, Format F, dag outs, dag ins, string asm,
773 list<dag> pattern, InstrItinClass itin = NoItinerary>
774 : VS2I<o, F, outs, ins, asm, pattern, itin>, VEX_W;
776 // MMX Instruction templates
779 // MMXI - MMX instructions with TB prefix.
780 // MMXI32 - MMX instructions with TB prefix valid only in 32 bit mode.
781 // MMXI64 - MMX instructions with TB prefix valid only in 64 bit mode.
782 // MMX2I - MMX / SSE2 instructions with TB and OpSize prefixes.
783 // MMXIi8 - MMX instructions with ImmT == Imm8 and TB prefix.
784 // MMXIi8 - MMX instructions with ImmT == Imm8 and TB prefix.
785 // MMXID - MMX instructions with XD prefix.
786 // MMXIS - MMX instructions with XS prefix.
787 class MMXI<bits<8> o, Format F, dag outs, dag ins, string asm,
788 list<dag> pattern, InstrItinClass itin = NoItinerary>
789 : I<o, F, outs, ins, asm, pattern, itin>, TB, Requires<[HasMMX]>;
790 class MMXI32<bits<8> o, Format F, dag outs, dag ins, string asm,
791 list<dag> pattern, InstrItinClass itin = NoItinerary>
792 : I<o, F, outs, ins, asm, pattern, itin>, TB, Requires<[HasMMX,Not64BitMode]>;
793 class MMXI64<bits<8> o, Format F, dag outs, dag ins, string asm,
794 list<dag> pattern, InstrItinClass itin = NoItinerary>
795 : I<o, F, outs, ins, asm, pattern, itin>, TB, Requires<[HasMMX,In64BitMode]>;
796 class MMXRI<bits<8> o, Format F, dag outs, dag ins, string asm,
797 list<dag> pattern, InstrItinClass itin = NoItinerary>
798 : I<o, F, outs, ins, asm, pattern, itin>, TB, REX_W, Requires<[HasMMX]>;
799 class MMX2I<bits<8> o, Format F, dag outs, dag ins, string asm,
800 list<dag> pattern, InstrItinClass itin = NoItinerary>
801 : I<o, F, outs, ins, asm, pattern, itin>, TB, OpSize, Requires<[HasMMX]>;
802 class MMXIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
803 list<dag> pattern, InstrItinClass itin = NoItinerary>
804 : Ii8<o, F, outs, ins, asm, pattern, itin>, TB, Requires<[HasMMX]>;
805 class MMXID<bits<8> o, Format F, dag outs, dag ins, string asm,
806 list<dag> pattern, InstrItinClass itin = NoItinerary>
807 : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[HasMMX]>;
808 class MMXIS<bits<8> o, Format F, dag outs, dag ins, string asm,
809 list<dag> pattern, InstrItinClass itin = NoItinerary>
810 : Ii8<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[HasMMX]>;