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 AdSize { bit hasAdSizePrefix = 1; }
116 class REX_W { bit hasREX_WPrefix = 1; }
117 class LOCK { bit hasLockPrefix = 1; }
118 class SegFS { bits<2> SegOvrBits = 1; }
119 class SegGS { bits<2> SegOvrBits = 2; }
120 class TB { bits<5> Prefix = 1; }
121 class REP { bits<5> Prefix = 2; }
122 class D8 { bits<5> Prefix = 3; }
123 class D9 { bits<5> Prefix = 4; }
124 class DA { bits<5> Prefix = 5; }
125 class DB { bits<5> Prefix = 6; }
126 class DC { bits<5> Prefix = 7; }
127 class DD { bits<5> Prefix = 8; }
128 class DE { bits<5> Prefix = 9; }
129 class DF { bits<5> Prefix = 10; }
130 class XD { bits<5> Prefix = 11; }
131 class XS { bits<5> Prefix = 12; }
132 class T8 { bits<5> Prefix = 13; }
133 class TA { bits<5> Prefix = 14; }
134 class A6 { bits<5> Prefix = 15; }
135 class A7 { bits<5> Prefix = 16; }
136 class T8XD { bits<5> Prefix = 17; }
137 class T8XS { bits<5> Prefix = 18; }
138 class TAXD { bits<5> Prefix = 19; }
139 class XOP8 { bits<5> Prefix = 20; }
140 class XOP9 { bits<5> Prefix = 21; }
141 class XOPA { bits<5> Prefix = 22; }
142 class VEX { bit hasVEXPrefix = 1; }
143 class VEX_W { bit hasVEX_WPrefix = 1; }
144 class VEX_4V : VEX { bit hasVEX_4VPrefix = 1; }
145 class VEX_4VOp3 : VEX { bit hasVEX_4VOp3Prefix = 1; }
146 class VEX_I8IMM { bit hasVEX_i8ImmReg = 1; }
147 class VEX_L { bit hasVEX_L = 1; }
148 class VEX_LIG { bit ignoresVEX_L = 1; }
149 class EVEX : VEX { bit hasEVEXPrefix = 1; }
150 class EVEX_4V : VEX_4V { bit hasEVEXPrefix = 1; }
151 class EVEX_K { bit hasEVEX_K = 1; }
152 class EVEX_KZ : EVEX_K { bit hasEVEX_Z = 1; }
153 class EVEX_B { bit hasEVEX_B = 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 hasAdSizePrefix = 0; // Does this inst have a 0x67 prefix?
196 bits<5> Prefix = 0; // Which prefix byte does this inst have?
197 bit hasREX_WPrefix = 0; // Does this inst require the REX.W prefix?
198 FPFormat FPForm = NotFP; // What flavor of FP instruction is this?
199 bit hasLockPrefix = 0; // Does this inst have a 0xF0 prefix?
200 bits<2> SegOvrBits = 0; // Segment override 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?
222 // TSFlags layout should be kept in sync with X86InstrInfo.h.
223 let TSFlags{5-0} = FormBits;
224 let TSFlags{6} = hasOpSizePrefix;
225 let TSFlags{7} = hasAdSizePrefix;
226 let TSFlags{12-8} = Prefix;
227 let TSFlags{13} = hasREX_WPrefix;
228 let TSFlags{16-14} = ImmT.Value;
229 let TSFlags{19-17} = FPForm.Value;
230 let TSFlags{20} = hasLockPrefix;
231 let TSFlags{22-21} = SegOvrBits;
232 let TSFlags{24-23} = ExeDomain.Value;
233 let TSFlags{32-25} = Opcode;
234 let TSFlags{33} = hasVEXPrefix;
235 let TSFlags{34} = hasVEX_WPrefix;
236 let TSFlags{35} = hasVEX_4VPrefix;
237 let TSFlags{36} = hasVEX_4VOp3Prefix;
238 let TSFlags{37} = hasVEX_i8ImmReg;
239 let TSFlags{38} = hasVEX_L;
240 let TSFlags{39} = ignoresVEX_L;
241 let TSFlags{40} = hasEVEXPrefix;
242 let TSFlags{41} = hasEVEX_K;
243 let TSFlags{42} = hasEVEX_Z;
244 let TSFlags{43} = hasEVEX_L2;
245 let TSFlags{44} = hasEVEX_B;
246 let TSFlags{46-45} = EVEX_CD8E;
247 let TSFlags{49-47} = EVEX_CD8V;
248 let TSFlags{50} = has3DNow0F0FOpcode;
249 let TSFlags{51} = hasMemOp4Prefix;
250 let TSFlags{52} = hasXOP_Prefix;
253 class PseudoI<dag oops, dag iops, list<dag> pattern>
254 : X86Inst<0, Pseudo, NoImm, oops, iops, "", NoItinerary> {
255 let Pattern = pattern;
258 class I<bits<8> o, Format f, dag outs, dag ins, string asm,
259 list<dag> pattern, InstrItinClass itin = NoItinerary,
260 Domain d = GenericDomain>
261 : X86Inst<o, f, NoImm, outs, ins, asm, itin, d> {
262 let Pattern = pattern;
265 class Ii8 <bits<8> o, Format f, dag outs, dag ins, string asm,
266 list<dag> pattern, InstrItinClass itin = NoItinerary,
267 Domain d = GenericDomain>
268 : X86Inst<o, f, Imm8, outs, ins, asm, itin, d> {
269 let Pattern = pattern;
272 class Ii8PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
273 list<dag> pattern, InstrItinClass itin = NoItinerary>
274 : X86Inst<o, f, Imm8PCRel, outs, ins, asm, itin> {
275 let Pattern = pattern;
278 class Ii16<bits<8> o, Format f, dag outs, dag ins, string asm,
279 list<dag> pattern, InstrItinClass itin = NoItinerary>
280 : X86Inst<o, f, Imm16, outs, ins, asm, itin> {
281 let Pattern = pattern;
284 class Ii32<bits<8> o, Format f, dag outs, dag ins, string asm,
285 list<dag> pattern, InstrItinClass itin = NoItinerary>
286 : X86Inst<o, f, Imm32, outs, ins, asm, itin> {
287 let Pattern = pattern;
291 class Ii16PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
292 list<dag> pattern, InstrItinClass itin = NoItinerary>
293 : X86Inst<o, f, Imm16PCRel, outs, ins, asm, itin> {
294 let Pattern = pattern;
298 class Ii32PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
299 list<dag> pattern, InstrItinClass itin = NoItinerary>
300 : X86Inst<o, f, Imm32PCRel, outs, ins, asm, itin> {
301 let Pattern = pattern;
305 // FPStack Instruction Templates:
306 // FPI - Floating Point Instruction template.
307 class FPI<bits<8> o, Format F, dag outs, dag ins, string asm,
308 InstrItinClass itin = NoItinerary>
309 : I<o, F, outs, ins, asm, [], itin> {}
311 // FpI_ - Floating Point Pseudo Instruction template. Not Predicated.
312 class FpI_<dag outs, dag ins, FPFormat fp, list<dag> pattern,
313 InstrItinClass itin = NoItinerary>
314 : X86Inst<0, Pseudo, NoImm, outs, ins, "", itin> {
316 let Pattern = pattern;
319 // Templates for instructions that use a 16- or 32-bit segmented address as
320 // their only operand: lcall (FAR CALL) and ljmp (FAR JMP)
322 // Iseg16 - 16-bit segment selector, 16-bit offset
323 // Iseg32 - 16-bit segment selector, 32-bit offset
325 class Iseg16 <bits<8> o, Format f, dag outs, dag ins, string asm,
326 list<dag> pattern, InstrItinClass itin = NoItinerary>
327 : X86Inst<o, f, Imm16, outs, ins, asm, itin> {
328 let Pattern = pattern;
332 class Iseg32 <bits<8> o, Format f, dag outs, dag ins, string asm,
333 list<dag> pattern, InstrItinClass itin = NoItinerary>
334 : X86Inst<o, f, Imm32, outs, ins, asm, itin> {
335 let Pattern = pattern;
342 // SI - SSE 1 & 2 scalar instructions
343 class SI<bits<8> o, Format F, dag outs, dag ins, string asm,
344 list<dag> pattern, InstrItinClass itin = NoItinerary>
345 : I<o, F, outs, ins, asm, pattern, itin> {
346 let Predicates = !if(hasEVEXPrefix /* EVEX */, [HasAVX512],
347 !if(hasVEXPrefix /* VEX */, [UseAVX],
348 !if(!eq(Prefix, __xs.Prefix), [UseSSE1],
349 !if(!eq(Prefix, __xd.Prefix), [UseSSE2],
350 !if(hasOpSizePrefix, [UseSSE2], [UseSSE1])))));
352 // AVX instructions have a 'v' prefix in the mnemonic
353 let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
356 // SIi8 - SSE 1 & 2 scalar instructions
357 class SIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
358 list<dag> pattern, InstrItinClass itin = NoItinerary>
359 : Ii8<o, F, outs, ins, asm, pattern, itin> {
360 let Predicates = !if(hasEVEXPrefix /* EVEX */, [HasAVX512],
361 !if(hasVEXPrefix /* VEX */, [UseAVX],
362 !if(!eq(Prefix, __xs.Prefix), [UseSSE1], [UseSSE2])));
364 // AVX instructions have a 'v' prefix in the mnemonic
365 let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
368 // PI - SSE 1 & 2 packed instructions
369 class PI<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pattern,
370 InstrItinClass itin, Domain d>
371 : I<o, F, outs, ins, asm, pattern, itin, d> {
372 let Predicates = !if(hasEVEXPrefix /* EVEX */, [HasAVX512],
373 !if(hasVEXPrefix /* VEX */, [HasAVX],
374 !if(hasOpSizePrefix /* OpSize */, [UseSSE2], [UseSSE1])));
376 // AVX instructions have a 'v' prefix in the mnemonic
377 let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
380 // MMXPI - SSE 1 & 2 packed instructions with MMX operands
381 class MMXPI<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pattern,
382 InstrItinClass itin, Domain d>
383 : I<o, F, outs, ins, asm, pattern, itin, d> {
384 let Predicates = !if(hasOpSizePrefix /* OpSize */, [HasSSE2], [HasSSE1]);
387 // PIi8 - SSE 1 & 2 packed instructions with immediate
388 class PIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
389 list<dag> pattern, InstrItinClass itin, Domain d>
390 : Ii8<o, F, outs, ins, asm, pattern, itin, d> {
391 let Predicates = !if(hasEVEXPrefix /* EVEX */, [HasAVX512],
392 !if(hasVEXPrefix /* VEX */, [HasAVX],
393 !if(hasOpSizePrefix /* OpSize */, [UseSSE2], [UseSSE1])));
395 // AVX instructions have a 'v' prefix in the mnemonic
396 let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
399 // SSE1 Instruction Templates:
401 // SSI - SSE1 instructions with XS prefix.
402 // PSI - SSE1 instructions with TB prefix.
403 // PSIi8 - SSE1 instructions with ImmT == Imm8 and TB prefix.
404 // VSSI - SSE1 instructions with XS prefix in AVX form.
405 // VPSI - SSE1 instructions with TB prefix in AVX form, packed single.
407 class SSI<bits<8> o, Format F, dag outs, dag ins, string asm,
408 list<dag> pattern, InstrItinClass itin = NoItinerary>
409 : I<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[UseSSE1]>;
410 class SSIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
411 list<dag> pattern, InstrItinClass itin = NoItinerary>
412 : Ii8<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[UseSSE1]>;
413 class PSI<bits<8> o, Format F, dag outs, dag ins, string asm,
414 list<dag> pattern, InstrItinClass itin = NoItinerary>
415 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, TB,
417 class PSIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
418 list<dag> pattern, InstrItinClass itin = NoItinerary>
419 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, TB,
421 class VSSI<bits<8> o, Format F, dag outs, dag ins, string asm,
422 list<dag> pattern, InstrItinClass itin = NoItinerary>
423 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, XS,
425 class VPSI<bits<8> o, Format F, dag outs, dag ins, string asm,
426 list<dag> pattern, InstrItinClass itin = NoItinerary>
427 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin, SSEPackedSingle>, TB,
430 // SSE2 Instruction Templates:
432 // SDI - SSE2 instructions with XD prefix.
433 // SDIi8 - SSE2 instructions with ImmT == Imm8 and XD prefix.
434 // S2SI - SSE2 instructions with XS prefix.
435 // SSDIi8 - SSE2 instructions with ImmT == Imm8 and XS prefix.
436 // PDI - SSE2 instructions with TB and OpSize prefixes, packed double domain.
437 // PDIi8 - SSE2 instructions with ImmT == Imm8 and TB and OpSize prefixes.
438 // VSDI - SSE2 scalar instructions with XD prefix in AVX form.
439 // VPDI - SSE2 vector instructions with TB and OpSize prefixes in AVX form,
440 // packed double domain.
441 // VS2I - SSE2 scalar instructions with TB and OpSize prefixes in AVX form.
442 // S2I - SSE2 scalar instructions with TB and OpSize prefixes.
443 // MMXSDIi8 - SSE2 instructions with ImmT == Imm8 and XD prefix as well as
445 // MMXSSDIi8 - SSE2 instructions with ImmT == Imm8 and XS prefix as well as
448 class SDI<bits<8> o, Format F, dag outs, dag ins, string asm,
449 list<dag> pattern, InstrItinClass itin = NoItinerary>
450 : I<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[UseSSE2]>;
451 class SDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
452 list<dag> pattern, InstrItinClass itin = NoItinerary>
453 : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[UseSSE2]>;
454 class S2SI<bits<8> o, Format F, dag outs, dag ins, string asm,
455 list<dag> pattern, InstrItinClass itin = NoItinerary>
456 : I<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[UseSSE2]>;
457 class S2SIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
458 list<dag> pattern, InstrItinClass itin = NoItinerary>
459 : Ii8<o, F, outs, ins, asm, pattern>, XS, Requires<[UseSSE2]>;
460 class PDI<bits<8> o, Format F, dag outs, dag ins, string asm,
461 list<dag> pattern, InstrItinClass itin = NoItinerary>
462 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, TB, OpSize,
464 class PDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
465 list<dag> pattern, InstrItinClass itin = NoItinerary>
466 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, TB, OpSize,
468 class VSDI<bits<8> o, Format F, dag outs, dag ins, string asm,
469 list<dag> pattern, InstrItinClass itin = NoItinerary>
470 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, XD,
472 class VS2SI<bits<8> o, Format F, dag outs, dag ins, string asm,
473 list<dag> pattern, InstrItinClass itin = NoItinerary>
474 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, XS,
476 class VPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
477 list<dag> pattern, InstrItinClass itin = NoItinerary>
478 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin, SSEPackedDouble>, TB,
479 OpSize, Requires<[HasAVX]>;
480 class VS2I<bits<8> o, Format F, dag outs, dag ins, string asm,
481 list<dag> pattern, InstrItinClass itin = NoItinerary>
482 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, TB,
483 OpSize, Requires<[UseAVX]>;
484 class S2I<bits<8> o, Format F, dag outs, dag ins, string asm,
485 list<dag> pattern, InstrItinClass itin = NoItinerary>
486 : I<o, F, outs, ins, asm, pattern, itin>, TB,
487 OpSize, Requires<[UseSSE2]>;
488 class MMXSDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
489 list<dag> pattern, InstrItinClass itin = NoItinerary>
490 : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[HasSSE2]>;
491 class MMXS2SIi8<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>, XS, Requires<[HasSSE2]>;
495 // SSE3 Instruction Templates:
497 // S3I - SSE3 instructions with TB and OpSize prefixes.
498 // S3SI - SSE3 instructions with XS prefix.
499 // S3DI - SSE3 instructions with XD prefix.
501 class S3SI<bits<8> o, Format F, dag outs, dag ins, string asm,
502 list<dag> pattern, InstrItinClass itin = NoItinerary>
503 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, XS,
505 class S3DI<bits<8> o, Format F, dag outs, dag ins, string asm,
506 list<dag> pattern, InstrItinClass itin = NoItinerary>
507 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, XD,
509 class S3I<bits<8> o, Format F, dag outs, dag ins, string asm,
510 list<dag> pattern, InstrItinClass itin = NoItinerary>
511 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, TB, OpSize,
515 // SSSE3 Instruction Templates:
517 // SS38I - SSSE3 instructions with T8 prefix.
518 // SS3AI - SSSE3 instructions with TA prefix.
519 // MMXSS38I - SSSE3 instructions with T8 prefix and MMX operands.
520 // MMXSS3AI - SSSE3 instructions with TA prefix and MMX operands.
522 // Note: SSSE3 instructions have 64-bit and 128-bit versions. The 64-bit version
523 // uses the MMX registers. The 64-bit versions are grouped with the MMX
524 // classes. They need to be enabled even if AVX is enabled.
526 class SS38I<bits<8> o, Format F, dag outs, dag ins, string asm,
527 list<dag> pattern, InstrItinClass itin = NoItinerary>
528 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8,
529 Requires<[UseSSSE3]>;
530 class SS3AI<bits<8> o, Format F, dag outs, dag ins, string asm,
531 list<dag> pattern, InstrItinClass itin = NoItinerary>
532 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
533 Requires<[UseSSSE3]>;
534 class MMXSS38I<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, SSEPackedInt>, T8,
537 Requires<[HasSSSE3]>;
538 class MMXSS3AI<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, SSEPackedInt>, TA,
541 Requires<[HasSSSE3]>;
543 // SSE4.1 Instruction Templates:
545 // SS48I - SSE 4.1 instructions with T8 prefix.
546 // SS41AIi8 - SSE 4.1 instructions with TA prefix and ImmT == Imm8.
548 class SS48I<bits<8> o, Format F, dag outs, dag ins, string asm,
549 list<dag> pattern, InstrItinClass itin = NoItinerary>
550 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8,
551 Requires<[UseSSE41]>;
552 class SS4AIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
553 list<dag> pattern, InstrItinClass itin = NoItinerary>
554 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
555 Requires<[UseSSE41]>;
557 // SSE4.2 Instruction Templates:
559 // SS428I - SSE 4.2 instructions with T8 prefix.
560 class SS428I<bits<8> o, Format F, dag outs, dag ins, string asm,
561 list<dag> pattern, InstrItinClass itin = NoItinerary>
562 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8,
563 Requires<[UseSSE42]>;
565 // SS42FI - SSE 4.2 instructions with T8XD prefix.
566 // NOTE: 'HasSSE42' is used as SS42FI is only used for CRC32 insns.
567 class SS42FI<bits<8> o, Format F, dag outs, dag ins, string asm,
568 list<dag> pattern, InstrItinClass itin = NoItinerary>
569 : I<o, F, outs, ins, asm, pattern, itin>, T8XD, Requires<[HasSSE42]>;
571 // SS42AI = SSE 4.2 instructions with TA prefix
572 class SS42AI<bits<8> o, Format F, dag outs, dag ins, string asm,
573 list<dag> pattern, InstrItinClass itin = NoItinerary>
574 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
575 Requires<[UseSSE42]>;
577 // AVX Instruction Templates:
578 // Instructions introduced in AVX (no SSE equivalent forms)
580 // AVX8I - AVX instructions with T8 and OpSize prefix.
581 // AVXAIi8 - AVX instructions with TA, OpSize prefix and ImmT = Imm8.
582 class AVX8I<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, SSEPackedInt>, T8, OpSize,
586 class AVXAIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
587 list<dag> pattern, InstrItinClass itin = NoItinerary>
588 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA, OpSize,
591 // AVX2 Instruction Templates:
592 // Instructions introduced in AVX2 (no SSE equivalent forms)
594 // AVX28I - AVX2 instructions with T8 and OpSize prefix.
595 // AVX2AIi8 - AVX2 instructions with TA, OpSize prefix and ImmT = Imm8.
596 class AVX28I<bits<8> o, Format F, dag outs, dag ins, string asm,
597 list<dag> pattern, InstrItinClass itin = NoItinerary>
598 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8, OpSize,
600 class AVX2AIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
601 list<dag> pattern, InstrItinClass itin = NoItinerary>
602 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA, OpSize,
606 // AVX-512 Instruction Templates:
607 // Instructions introduced in AVX-512 (no SSE equivalent forms)
609 // AVX5128I - AVX-512 instructions with T8 and OpSize prefix.
610 // AVX512AIi8 - AVX-512 instructions with TA, OpSize prefix and ImmT = Imm8.
611 // AVX512PDI - AVX-512 instructions with TB, OpSize, double packed.
612 // AVX512PSI - AVX-512 instructions with TB, single packed.
613 // AVX512XS8I - AVX-512 instructions with T8 and XS prefixes.
614 // AVX512XSI - AVX-512 instructions with XS prefix, generic domain.
615 // AVX512BI - AVX-512 instructions with TB, OpSize, int packed domain.
616 // AVX512SI - AVX-512 scalar instructions with TB and OpSize prefixes.
618 class AVX5128I<bits<8> o, Format F, dag outs, dag ins, string asm,
619 list<dag> pattern, InstrItinClass itin = NoItinerary>
620 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8, OpSize,
621 Requires<[HasAVX512]>;
622 class AVX512XS8I<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>, T8XS,
625 Requires<[HasAVX512]>;
626 class AVX512XSI<bits<8> o, Format F, dag outs, dag ins, string asm,
627 list<dag> pattern, InstrItinClass itin = NoItinerary>
628 : I<o, F, outs, ins, asm, pattern, itin>, XS,
629 Requires<[HasAVX512]>;
630 class AVX512XDI<bits<8> o, Format F, dag outs, dag ins, string asm,
631 list<dag> pattern, InstrItinClass itin = NoItinerary>
632 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, XD,
633 Requires<[HasAVX512]>;
634 class AVX512BI<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>, TB, OpSize,
637 Requires<[HasAVX512]>;
638 class AVX512BIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
639 list<dag> pattern, InstrItinClass itin = NoItinerary>
640 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TB, OpSize,
641 Requires<[HasAVX512]>;
642 class AVX512SI<bits<8> o, Format F, dag outs, dag ins, string asm,
643 list<dag> pattern, InstrItinClass itin = NoItinerary>
644 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TB, OpSize,
645 Requires<[HasAVX512]>;
646 class AVX512AIi8<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>, TA, OpSize,
649 Requires<[HasAVX512]>;
650 class AVX512Ii8<bits<8> o, Format F, dag outs, dag ins, string asm,
651 list<dag> pattern, InstrItinClass itin = NoItinerary>
652 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TB,
653 Requires<[HasAVX512]>;
654 class AVX512PDI<bits<8> o, Format F, dag outs, dag ins, string asm,
655 list<dag> pattern, InstrItinClass itin = NoItinerary>
656 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, TB,
657 OpSize, Requires<[HasAVX512]>;
658 class AVX512PSI<bits<8> o, Format F, dag outs, dag ins, string asm,
659 list<dag> pattern, InstrItinClass itin = NoItinerary>
660 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, TB,
661 Requires<[HasAVX512]>;
662 class AVX512PIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
663 list<dag> pattern, Domain d, InstrItinClass itin = NoItinerary>
664 : Ii8<o, F, outs, ins, asm, pattern, itin, d>, TB, Requires<[HasAVX512]>;
665 class AVX512PI<bits<8> o, Format F, dag outs, dag ins, string asm,
666 list<dag> pattern, Domain d, InstrItinClass itin = NoItinerary>
667 : I<o, F, outs, ins, asm, pattern, itin, d>, TB, Requires<[HasAVX512]>;
668 class AVX512FMA3<bits<8> o, Format F, dag outs, dag ins, string asm,
669 list<dag>pattern, InstrItinClass itin = NoItinerary>
670 : I<o, F, outs, ins, asm, pattern, itin>, T8,
671 OpSize, EVEX_4V, Requires<[HasAVX512]>;
673 // AES Instruction Templates:
676 // These use the same encoding as the SSE4.2 T8 and TA encodings.
677 class AES8I<bits<8> o, Format F, dag outs, dag ins, string asm,
678 list<dag>pattern, InstrItinClass itin = IIC_AES>
679 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8,
682 class AESAI<bits<8> o, Format F, dag outs, dag ins, string asm,
683 list<dag> pattern, InstrItinClass itin = NoItinerary>
684 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
687 // PCLMUL Instruction Templates
688 class PCLMULIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
689 list<dag>pattern, InstrItinClass itin = NoItinerary>
690 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
691 OpSize, Requires<[HasPCLMUL]>;
693 class AVXPCLMULIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
694 list<dag>pattern, InstrItinClass itin = NoItinerary>
695 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
696 OpSize, VEX_4V, Requires<[HasAVX, HasPCLMUL]>;
698 // FMA3 Instruction Templates
699 class FMA3<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>, T8,
702 OpSize, VEX_4V, FMASC, Requires<[HasFMA]>;
704 // FMA4 Instruction Templates
705 class FMA4<bits<8> o, Format F, dag outs, dag ins, string asm,
706 list<dag>pattern, InstrItinClass itin = NoItinerary>
707 : Ii8<o, F, outs, ins, asm, pattern, itin>, TA,
708 OpSize, VEX_4V, VEX_I8IMM, FMASC, Requires<[HasFMA4]>;
710 // XOP 2, 3 and 4 Operand Instruction Template
711 class IXOP<bits<8> o, Format F, dag outs, dag ins, string asm,
712 list<dag> pattern, InstrItinClass itin = NoItinerary>
713 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>,
714 XOP, XOP9, Requires<[HasXOP]>;
716 // XOP 2, 3 and 4 Operand Instruction Templates with imm byte
717 class IXOPi8<bits<8> o, Format F, dag outs, dag ins, string asm,
718 list<dag> pattern, InstrItinClass itin = NoItinerary>
719 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>,
720 XOP, XOP8, Requires<[HasXOP]>;
722 // XOP 5 operand instruction (VEX encoding!)
723 class IXOP5<bits<8> o, Format F, dag outs, dag ins, string asm,
724 list<dag>pattern, InstrItinClass itin = NoItinerary>
725 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
726 OpSize, VEX_4V, VEX_I8IMM, Requires<[HasXOP]>;
728 // X86-64 Instruction templates...
731 class RI<bits<8> o, Format F, dag outs, dag ins, string asm,
732 list<dag> pattern, InstrItinClass itin = NoItinerary>
733 : I<o, F, outs, ins, asm, pattern, itin>, REX_W;
734 class RIi8 <bits<8> o, Format F, dag outs, dag ins, string asm,
735 list<dag> pattern, InstrItinClass itin = NoItinerary>
736 : Ii8<o, F, outs, ins, asm, pattern, itin>, REX_W;
737 class RIi32 <bits<8> o, Format F, dag outs, dag ins, string asm,
738 list<dag> pattern, InstrItinClass itin = NoItinerary>
739 : Ii32<o, F, outs, ins, asm, pattern, itin>, REX_W;
741 class RIi64<bits<8> o, Format f, dag outs, dag ins, string asm,
742 list<dag> pattern, InstrItinClass itin = NoItinerary>
743 : X86Inst<o, f, Imm64, outs, ins, asm, itin>, REX_W {
744 let Pattern = pattern;
748 class RIi64_NOREX<bits<8> o, Format f, dag outs, dag ins, string asm,
749 list<dag> pattern, InstrItinClass itin = NoItinerary>
750 : X86Inst<o, f, Imm64, outs, ins, asm, itin> {
751 let Pattern = pattern;
755 class RSSI<bits<8> o, Format F, dag outs, dag ins, string asm,
756 list<dag> pattern, InstrItinClass itin = NoItinerary>
757 : SSI<o, F, outs, ins, asm, pattern, itin>, REX_W;
758 class RSDI<bits<8> o, Format F, dag outs, dag ins, string asm,
759 list<dag> pattern, InstrItinClass itin = NoItinerary>
760 : SDI<o, F, outs, ins, asm, pattern, itin>, REX_W;
761 class RPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
762 list<dag> pattern, InstrItinClass itin = NoItinerary>
763 : PDI<o, F, outs, ins, asm, pattern, itin>, REX_W;
764 class VRPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
765 list<dag> pattern, InstrItinClass itin = NoItinerary>
766 : VPDI<o, F, outs, ins, asm, pattern, itin>, VEX_W;
767 class RS2I<bits<8> o, Format F, dag outs, dag ins, string asm,
768 list<dag> pattern, InstrItinClass itin = NoItinerary>
769 : S2I<o, F, outs, ins, asm, pattern, itin>, REX_W;
770 class VRS2I<bits<8> o, Format F, dag outs, dag ins, string asm,
771 list<dag> pattern, InstrItinClass itin = NoItinerary>
772 : VS2I<o, F, outs, ins, asm, pattern, itin>, VEX_W;
774 // MMX Instruction templates
777 // MMXI - MMX instructions with TB prefix.
778 // MMXI32 - MMX instructions with TB prefix valid only in 32 bit mode.
779 // MMXI64 - MMX instructions with TB prefix valid only in 64 bit mode.
780 // MMX2I - MMX / SSE2 instructions with TB and OpSize prefixes.
781 // MMXIi8 - MMX instructions with ImmT == Imm8 and TB prefix.
782 // MMXIi8 - MMX instructions with ImmT == Imm8 and TB prefix.
783 // MMXID - MMX instructions with XD prefix.
784 // MMXIS - MMX instructions with XS prefix.
785 class MMXI<bits<8> o, Format F, dag outs, dag ins, string asm,
786 list<dag> pattern, InstrItinClass itin = NoItinerary>
787 : I<o, F, outs, ins, asm, pattern, itin>, TB, Requires<[HasMMX]>;
788 class MMXI32<bits<8> o, Format F, dag outs, dag ins, string asm,
789 list<dag> pattern, InstrItinClass itin = NoItinerary>
790 : I<o, F, outs, ins, asm, pattern, itin>, TB, Requires<[HasMMX,Not64BitMode]>;
791 class MMXI64<bits<8> o, Format F, dag outs, dag ins, string asm,
792 list<dag> pattern, InstrItinClass itin = NoItinerary>
793 : I<o, F, outs, ins, asm, pattern, itin>, TB, Requires<[HasMMX,In64BitMode]>;
794 class MMXRI<bits<8> o, Format F, dag outs, dag ins, string asm,
795 list<dag> pattern, InstrItinClass itin = NoItinerary>
796 : I<o, F, outs, ins, asm, pattern, itin>, TB, REX_W, Requires<[HasMMX]>;
797 class MMX2I<bits<8> o, Format F, dag outs, dag ins, string asm,
798 list<dag> pattern, InstrItinClass itin = NoItinerary>
799 : I<o, F, outs, ins, asm, pattern, itin>, TB, OpSize, Requires<[HasMMX]>;
800 class MMXIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
801 list<dag> pattern, InstrItinClass itin = NoItinerary>
802 : Ii8<o, F, outs, ins, asm, pattern, itin>, TB, Requires<[HasMMX]>;
803 class MMXID<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>, XD, Requires<[HasMMX]>;
806 class MMXIS<bits<8> o, Format F, dag outs, dag ins, string asm,
807 list<dag> pattern, InstrItinClass itin = NoItinerary>
808 : Ii8<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[HasMMX]>;