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 MRMInitReg : Format<32>;
32 def MRM_C1 : Format<33>;
33 def MRM_C2 : Format<34>;
34 def MRM_C3 : Format<35>;
35 def MRM_C4 : Format<36>;
36 def MRM_C8 : Format<37>;
37 def MRM_C9 : Format<38>;
38 def MRM_E8 : Format<39>;
39 def MRM_F0 : Format<40>;
40 def MRM_F8 : Format<41>;
41 def MRM_F9 : Format<42>;
42 def RawFrmImm8 : Format<43>;
43 def RawFrmImm16 : Format<44>;
44 def MRM_D0 : Format<45>;
45 def MRM_D1 : Format<46>;
46 def MRM_D4 : Format<47>;
47 def MRM_D8 : Format<48>;
48 def MRM_D9 : Format<49>;
49 def MRM_DA : Format<50>;
50 def MRM_DB : Format<51>;
51 def MRM_DC : Format<52>;
52 def MRM_DD : Format<53>;
53 def MRM_DE : Format<54>;
54 def MRM_DF : Format<55>;
56 // ImmType - This specifies the immediate type used by an instruction. This is
57 // part of the ad-hoc solution used to emit machine instruction encodings by our
58 // machine code emitter.
59 class ImmType<bits<3> val> {
62 def NoImm : ImmType<0>;
63 def Imm8 : ImmType<1>;
64 def Imm8PCRel : ImmType<2>;
65 def Imm16 : ImmType<3>;
66 def Imm16PCRel : ImmType<4>;
67 def Imm32 : ImmType<5>;
68 def Imm32PCRel : ImmType<6>;
69 def Imm64 : ImmType<7>;
71 // FPFormat - This specifies what form this FP instruction has. This is used by
72 // the Floating-Point stackifier pass.
73 class FPFormat<bits<3> val> {
76 def NotFP : FPFormat<0>;
77 def ZeroArgFP : FPFormat<1>;
78 def OneArgFP : FPFormat<2>;
79 def OneArgFPRW : FPFormat<3>;
80 def TwoArgFP : FPFormat<4>;
81 def CompareFP : FPFormat<5>;
82 def CondMovFP : FPFormat<6>;
83 def SpecialFP : FPFormat<7>;
85 // Class specifying the SSE execution domain, used by the SSEDomainFix pass.
86 // Keep in sync with tables in X86InstrInfo.cpp.
87 class Domain<bits<2> val> {
90 def GenericDomain : Domain<0>;
91 def SSEPackedSingle : Domain<1>;
92 def SSEPackedDouble : Domain<2>;
93 def SSEPackedInt : Domain<3>;
95 // Prefix byte classes which are used to indicate to the ad-hoc machine code
96 // emitter that various prefix bytes are required.
97 class OpSize { bit hasOpSizePrefix = 1; }
98 class AdSize { bit hasAdSizePrefix = 1; }
99 class REX_W { bit hasREX_WPrefix = 1; }
100 class LOCK { bit hasLockPrefix = 1; }
101 class SegFS { bits<2> SegOvrBits = 1; }
102 class SegGS { bits<2> SegOvrBits = 2; }
103 class TB { bits<5> Prefix = 1; }
104 class REP { bits<5> Prefix = 2; }
105 class D8 { bits<5> Prefix = 3; }
106 class D9 { bits<5> Prefix = 4; }
107 class DA { bits<5> Prefix = 5; }
108 class DB { bits<5> Prefix = 6; }
109 class DC { bits<5> Prefix = 7; }
110 class DD { bits<5> Prefix = 8; }
111 class DE { bits<5> Prefix = 9; }
112 class DF { bits<5> Prefix = 10; }
113 class XD { bits<5> Prefix = 11; }
114 class XS { bits<5> Prefix = 12; }
115 class T8 { bits<5> Prefix = 13; }
116 class TA { bits<5> Prefix = 14; }
117 class A6 { bits<5> Prefix = 15; }
118 class A7 { bits<5> Prefix = 16; }
119 class T8XD { bits<5> Prefix = 17; }
120 class T8XS { bits<5> Prefix = 18; }
121 class TAXD { bits<5> Prefix = 19; }
122 class XOP8 { bits<5> Prefix = 20; }
123 class XOP9 { bits<5> Prefix = 21; }
124 class VEX { bit hasVEXPrefix = 1; }
125 class VEX_W { bit hasVEX_WPrefix = 1; }
126 class VEX_4V : VEX { bit hasVEX_4VPrefix = 1; }
127 class VEX_4VOp3 : VEX { bit hasVEX_4VOp3Prefix = 1; }
128 class VEX_I8IMM { bit hasVEX_i8ImmReg = 1; }
129 class VEX_L { bit hasVEX_L = 1; }
130 class VEX_LIG { bit ignoresVEX_L = 1; }
131 class Has3DNow0F0FOpcode { bit has3DNow0F0FOpcode = 1; }
132 class MemOp4 { bit hasMemOp4Prefix = 1; }
133 class XOP { bit hasXOP_Prefix = 1; }
134 class X86Inst<bits<8> opcod, Format f, ImmType i, dag outs, dag ins,
137 Domain d = GenericDomain>
139 let Namespace = "X86";
141 bits<8> Opcode = opcod;
143 bits<6> FormBits = Form.Value;
146 dag OutOperandList = outs;
147 dag InOperandList = ins;
148 string AsmString = AsmStr;
150 // If this is a pseudo instruction, mark it isCodeGenOnly.
151 let isCodeGenOnly = !eq(!cast<string>(f), "Pseudo");
153 let Itinerary = itin;
156 // Attributes specific to X86 instructions...
158 bit hasOpSizePrefix = 0; // Does this inst have a 0x66 prefix?
159 bit hasAdSizePrefix = 0; // Does this inst have a 0x67 prefix?
161 bits<5> Prefix = 0; // Which prefix byte does this inst have?
162 bit hasREX_WPrefix = 0; // Does this inst require the REX.W prefix?
163 FPFormat FPForm = NotFP; // What flavor of FP instruction is this?
164 bit hasLockPrefix = 0; // Does this inst have a 0xF0 prefix?
165 bits<2> SegOvrBits = 0; // Segment override prefix.
166 Domain ExeDomain = d;
167 bit hasVEXPrefix = 0; // Does this inst require a VEX prefix?
168 bit hasVEX_WPrefix = 0; // Does this inst set the VEX_W field?
169 bit hasVEX_4VPrefix = 0; // Does this inst require the VEX.VVVV field?
170 bit hasVEX_4VOp3Prefix = 0; // Does this inst require the VEX.VVVV field to
171 // encode the third operand?
172 bit hasVEX_i8ImmReg = 0; // Does this inst require the last source register
173 // to be encoded in a immediate field?
174 bit hasVEX_L = 0; // Does this inst use large (256-bit) registers?
175 bit ignoresVEX_L = 0; // Does this instruction ignore the L-bit
176 bit has3DNow0F0FOpcode =0;// Wacky 3dNow! encoding?
177 bit hasMemOp4Prefix = 0; // Same bit as VEX_W, but used for swapping operands
178 bit hasXOP_Prefix = 0; // Does this inst require an XOP prefix?
180 // TSFlags layout should be kept in sync with X86InstrInfo.h.
181 let TSFlags{5-0} = FormBits;
182 let TSFlags{6} = hasOpSizePrefix;
183 let TSFlags{7} = hasAdSizePrefix;
184 let TSFlags{12-8} = Prefix;
185 let TSFlags{13} = hasREX_WPrefix;
186 let TSFlags{16-14} = ImmT.Value;
187 let TSFlags{19-17} = FPForm.Value;
188 let TSFlags{20} = hasLockPrefix;
189 let TSFlags{22-21} = SegOvrBits;
190 let TSFlags{24-23} = ExeDomain.Value;
191 let TSFlags{32-25} = Opcode;
192 let TSFlags{33} = hasVEXPrefix;
193 let TSFlags{34} = hasVEX_WPrefix;
194 let TSFlags{35} = hasVEX_4VPrefix;
195 let TSFlags{36} = hasVEX_4VOp3Prefix;
196 let TSFlags{37} = hasVEX_i8ImmReg;
197 let TSFlags{38} = hasVEX_L;
198 let TSFlags{39} = ignoresVEX_L;
199 let TSFlags{40} = has3DNow0F0FOpcode;
200 let TSFlags{41} = hasMemOp4Prefix;
201 let TSFlags{42} = hasXOP_Prefix;
204 class PseudoI<dag oops, dag iops, list<dag> pattern>
205 : X86Inst<0, Pseudo, NoImm, oops, iops, "", NoItinerary> {
206 let Pattern = pattern;
209 class I<bits<8> o, Format f, dag outs, dag ins, string asm,
210 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT,
211 Domain d = GenericDomain>
212 : X86Inst<o, f, NoImm, outs, ins, asm, itin, d> {
213 let Pattern = pattern;
216 class Ii8 <bits<8> o, Format f, dag outs, dag ins, string asm,
217 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT,
218 Domain d = GenericDomain>
219 : X86Inst<o, f, Imm8, outs, ins, asm, itin, d> {
220 let Pattern = pattern;
223 class Ii8PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
224 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
225 : X86Inst<o, f, Imm8PCRel, outs, ins, asm, itin> {
226 let Pattern = pattern;
229 class Ii16<bits<8> o, Format f, dag outs, dag ins, string asm,
230 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
231 : X86Inst<o, f, Imm16, outs, ins, asm, itin> {
232 let Pattern = pattern;
235 class Ii32<bits<8> o, Format f, dag outs, dag ins, string asm,
236 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
237 : X86Inst<o, f, Imm32, outs, ins, asm, itin> {
238 let Pattern = pattern;
242 class Ii16PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
243 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
244 : X86Inst<o, f, Imm16PCRel, outs, ins, asm, itin> {
245 let Pattern = pattern;
249 class Ii32PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
250 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
251 : X86Inst<o, f, Imm32PCRel, outs, ins, asm, itin> {
252 let Pattern = pattern;
256 // FPStack Instruction Templates:
257 // FPI - Floating Point Instruction template.
258 class FPI<bits<8> o, Format F, dag outs, dag ins, string asm,
259 InstrItinClass itin = IIC_DEFAULT>
260 : I<o, F, outs, ins, asm, [], itin> {}
262 // FpI_ - Floating Point Pseudo Instruction template. Not Predicated.
263 class FpI_<dag outs, dag ins, FPFormat fp, list<dag> pattern,
264 InstrItinClass itin = IIC_DEFAULT>
265 : X86Inst<0, Pseudo, NoImm, outs, ins, "", itin> {
267 let Pattern = pattern;
270 // Templates for instructions that use a 16- or 32-bit segmented address as
271 // their only operand: lcall (FAR CALL) and ljmp (FAR JMP)
273 // Iseg16 - 16-bit segment selector, 16-bit offset
274 // Iseg32 - 16-bit segment selector, 32-bit offset
276 class Iseg16 <bits<8> o, Format f, dag outs, dag ins, string asm,
277 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
278 : X86Inst<o, f, Imm16, outs, ins, asm, itin> {
279 let Pattern = pattern;
283 class Iseg32 <bits<8> o, Format f, dag outs, dag ins, string asm,
284 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
285 : X86Inst<o, f, Imm32, outs, ins, asm, itin> {
286 let Pattern = pattern;
290 // SI - SSE 1 & 2 scalar instructions
291 class SI<bits<8> o, Format F, dag outs, dag ins, string asm,
292 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
293 : I<o, F, outs, ins, asm, pattern, itin> {
294 let Predicates = !if(hasVEXPrefix /* VEX */, [HasAVX],
295 !if(!eq(Prefix, 12 /* XS */), [HasSSE1], [HasSSE2]));
297 // AVX instructions have a 'v' prefix in the mnemonic
298 let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
301 // SIi8 - SSE 1 & 2 scalar instructions
302 class SIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
303 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
304 : Ii8<o, F, outs, ins, asm, pattern, itin> {
305 let Predicates = !if(hasVEXPrefix /* VEX */, [HasAVX],
306 !if(!eq(Prefix, 12 /* XS */), [HasSSE1], [HasSSE2]));
308 // AVX instructions have a 'v' prefix in the mnemonic
309 let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
312 // PI - SSE 1 & 2 packed instructions
313 class PI<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pattern,
314 InstrItinClass itin, Domain d>
315 : I<o, F, outs, ins, asm, pattern, itin, d> {
316 let Predicates = !if(hasVEXPrefix /* VEX */, [HasAVX],
317 !if(hasOpSizePrefix /* OpSize */, [HasSSE2], [HasSSE1]));
319 // AVX instructions have a 'v' prefix in the mnemonic
320 let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
323 // PIi8 - SSE 1 & 2 packed instructions with immediate
324 class PIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
325 list<dag> pattern, InstrItinClass itin, Domain d>
326 : Ii8<o, F, outs, ins, asm, pattern, itin, d> {
327 let Predicates = !if(hasVEX_4VPrefix /* VEX */, [HasAVX],
328 !if(hasOpSizePrefix /* OpSize */, [HasSSE2], [HasSSE1]));
330 // AVX instructions have a 'v' prefix in the mnemonic
331 let AsmString = !if(hasVEX_4VPrefix, !strconcat("v", asm), asm);
334 // SSE1 Instruction Templates:
336 // SSI - SSE1 instructions with XS prefix.
337 // PSI - SSE1 instructions with TB prefix.
338 // PSIi8 - SSE1 instructions with ImmT == Imm8 and TB prefix.
339 // VSSI - SSE1 instructions with XS prefix in AVX form.
340 // VPSI - SSE1 instructions with TB prefix in AVX form.
342 class SSI<bits<8> o, Format F, dag outs, dag ins, string asm,
343 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
344 : I<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[HasSSE1]>;
345 class SSIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
346 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
347 : Ii8<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[HasSSE1]>;
348 class PSI<bits<8> o, Format F, dag outs, dag ins, string asm,
349 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
350 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, TB,
352 class PSIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
353 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
354 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, TB,
356 class VSSI<bits<8> o, Format F, dag outs, dag ins, string asm,
357 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
358 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, XS,
360 class VPSI<bits<8> o, Format F, dag outs, dag ins, string asm,
361 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
362 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin, SSEPackedSingle>, TB,
365 // SSE2 Instruction Templates:
367 // SDI - SSE2 instructions with XD prefix.
368 // SDIi8 - SSE2 instructions with ImmT == Imm8 and XD prefix.
369 // SSDI - SSE2 instructions with XS prefix.
370 // SSDIi8 - SSE2 instructions with ImmT == Imm8 and XS prefix.
371 // PDI - SSE2 instructions with TB and OpSize prefixes.
372 // PDIi8 - SSE2 instructions with ImmT == Imm8 and TB and OpSize prefixes.
373 // VSDI - SSE2 instructions with XD prefix in AVX form.
374 // VPDI - SSE2 instructions with TB and OpSize prefixes in AVX form.
376 class SDI<bits<8> o, Format F, dag outs, dag ins, string asm,
377 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
378 : I<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[HasSSE2]>;
379 class SDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
380 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
381 : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[HasSSE2]>;
382 class SSDI<bits<8> o, Format F, dag outs, dag ins, string asm,
383 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
384 : I<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[HasSSE2]>;
385 class SSDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
386 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
387 : Ii8<o, F, outs, ins, asm, pattern>, XS, Requires<[HasSSE2]>;
388 class PDI<bits<8> o, Format F, dag outs, dag ins, string asm,
389 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
390 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, TB, OpSize,
392 class PDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
393 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
394 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, TB, OpSize,
396 class VSDI<bits<8> o, Format F, dag outs, dag ins, string asm,
397 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
398 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin>, XD,
400 class VPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
401 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
402 : I<o, F, outs, ins, !strconcat("v", asm), pattern, itin, SSEPackedDouble>, TB,
403 OpSize, Requires<[HasAVX]>;
405 // SSE3 Instruction Templates:
407 // S3I - SSE3 instructions with TB and OpSize prefixes.
408 // S3SI - SSE3 instructions with XS prefix.
409 // S3DI - SSE3 instructions with XD prefix.
411 class S3SI<bits<8> o, Format F, dag outs, dag ins, string asm,
412 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
413 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedSingle>, XS,
415 class S3DI<bits<8> o, Format F, dag outs, dag ins, string asm,
416 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
417 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, XD,
419 class S3I<bits<8> o, Format F, dag outs, dag ins, string asm,
420 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
421 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>, TB, OpSize,
425 // SSSE3 Instruction Templates:
427 // SS38I - SSSE3 instructions with T8 prefix.
428 // SS3AI - SSSE3 instructions with TA prefix.
430 // Note: SSSE3 instructions have 64-bit and 128-bit versions. The 64-bit version
431 // uses the MMX registers. The 64-bit versions are grouped with the MMX
432 // classes. They need to be enabled even if AVX is enabled.
434 class SS38I<bits<8> o, Format F, dag outs, dag ins, string asm,
435 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
436 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8,
437 Requires<[HasSSSE3]>;
438 class SS3AI<bits<8> o, Format F, dag outs, dag ins, string asm,
439 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
440 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
441 Requires<[HasSSSE3]>;
443 // SSE4.1 Instruction Templates:
445 // SS48I - SSE 4.1 instructions with T8 prefix.
446 // SS41AIi8 - SSE 4.1 instructions with TA prefix and ImmT == Imm8.
448 class SS48I<bits<8> o, Format F, dag outs, dag ins, string asm,
449 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
450 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8,
451 Requires<[HasSSE41]>;
452 class SS4AIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
453 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
454 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
455 Requires<[HasSSE41]>;
457 // SSE4.2 Instruction Templates:
459 // SS428I - SSE 4.2 instructions with T8 prefix.
460 class SS428I<bits<8> o, Format F, dag outs, dag ins, string asm,
461 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
462 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8,
463 Requires<[HasSSE42]>;
465 // SS42FI - SSE 4.2 instructions with T8XD prefix.
466 class SS42FI<bits<8> o, Format F, dag outs, dag ins, string asm,
467 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
468 : I<o, F, outs, ins, asm, pattern, itin>, T8XD, Requires<[HasSSE42]>;
470 // SS42AI = SSE 4.2 instructions with TA prefix
471 class SS42AI<bits<8> o, Format F, dag outs, dag ins, string asm,
472 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
473 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
474 Requires<[HasSSE42]>;
476 // AVX Instruction Templates:
477 // Instructions introduced in AVX (no SSE equivalent forms)
479 // AVX8I - AVX instructions with T8 and OpSize prefix.
480 // AVXAIi8 - AVX instructions with TA, OpSize prefix and ImmT = Imm8.
481 class AVX8I<bits<8> o, Format F, dag outs, dag ins, string asm,
482 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
483 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8, OpSize,
485 class AVXAIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
486 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
487 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA, OpSize,
490 // AVX2 Instruction Templates:
491 // Instructions introduced in AVX2 (no SSE equivalent forms)
493 // AVX28I - AVX2 instructions with T8 and OpSize prefix.
494 // AVX2AIi8 - AVX2 instructions with TA, OpSize prefix and ImmT = Imm8.
495 class AVX28I<bits<8> o, Format F, dag outs, dag ins, string asm,
496 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
497 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8, OpSize,
499 class AVX2AIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
500 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
501 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA, OpSize,
504 // AES Instruction Templates:
507 // These use the same encoding as the SSE4.2 T8 and TA encodings.
508 class AES8I<bits<8> o, Format F, dag outs, dag ins, string asm,
509 list<dag>pattern, InstrItinClass itin = IIC_DEFAULT>
510 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, T8,
513 class AESAI<bits<8> o, Format F, dag outs, dag ins, string asm,
514 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
515 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
518 // PCLMUL Instruction Templates
519 class PCLMULIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
520 list<dag>pattern, InstrItinClass itin = IIC_DEFAULT>
521 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
522 OpSize, Requires<[HasPCLMUL]>;
524 class AVXPCLMULIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
525 list<dag>pattern, InstrItinClass itin = IIC_DEFAULT>
526 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
527 OpSize, VEX_4V, Requires<[HasAVX, HasPCLMUL]>;
529 // FMA3 Instruction Templates
530 class FMA3<bits<8> o, Format F, dag outs, dag ins, string asm,
531 list<dag>pattern, InstrItinClass itin = IIC_DEFAULT>
532 : I<o, F, outs, ins, asm, pattern, itin>, T8,
533 OpSize, VEX_4V, Requires<[HasFMA]>;
535 // FMA4 Instruction Templates
536 class FMA4<bits<8> o, Format F, dag outs, dag ins, string asm,
537 list<dag>pattern, InstrItinClass itin = IIC_DEFAULT>
538 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
539 OpSize, VEX_4V, VEX_I8IMM, Requires<[HasFMA4]>;
541 // XOP 2, 3 and 4 Operand Instruction Template
542 class IXOP<bits<8> o, Format F, dag outs, dag ins, string asm,
543 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
544 : I<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>,
545 XOP, XOP9, Requires<[HasXOP]>;
547 // XOP 2, 3 and 4 Operand Instruction Templates with imm byte
548 class IXOPi8<bits<8> o, Format F, dag outs, dag ins, string asm,
549 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
550 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedDouble>,
551 XOP, XOP8, Requires<[HasXOP]>;
553 // XOP 5 operand instruction (VEX encoding!)
554 class IXOP5<bits<8> o, Format F, dag outs, dag ins, string asm,
555 list<dag>pattern, InstrItinClass itin = IIC_DEFAULT>
556 : Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TA,
557 OpSize, VEX_4V, VEX_I8IMM, Requires<[HasXOP]>;
559 // X86-64 Instruction templates...
562 class RI<bits<8> o, Format F, dag outs, dag ins, string asm,
563 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
564 : I<o, F, outs, ins, asm, pattern, itin>, REX_W;
565 class RIi8 <bits<8> o, Format F, dag outs, dag ins, string asm,
566 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
567 : Ii8<o, F, outs, ins, asm, pattern, itin>, REX_W;
568 class RIi32 <bits<8> o, Format F, dag outs, dag ins, string asm,
569 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
570 : Ii32<o, F, outs, ins, asm, pattern, itin>, REX_W;
572 class RIi64<bits<8> o, Format f, dag outs, dag ins, string asm,
573 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
574 : X86Inst<o, f, Imm64, outs, ins, asm, itin>, REX_W {
575 let Pattern = pattern;
579 class RSSI<bits<8> o, Format F, dag outs, dag ins, string asm,
580 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
581 : SSI<o, F, outs, ins, asm, pattern, itin>, REX_W;
582 class RSDI<bits<8> o, Format F, dag outs, dag ins, string asm,
583 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
584 : SDI<o, F, outs, ins, asm, pattern, itin>, REX_W;
585 class RPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
586 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
587 : PDI<o, F, outs, ins, asm, pattern, itin>, REX_W;
588 class VRPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
589 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
590 : VPDI<o, F, outs, ins, asm, pattern, itin>, VEX_W;
592 // MMX Instruction templates
595 // MMXI - MMX instructions with TB prefix.
596 // MMXI64 - MMX instructions with TB prefix valid only in 64 bit mode.
597 // MMX2I - MMX / SSE2 instructions with TB and OpSize prefixes.
598 // MMXIi8 - MMX instructions with ImmT == Imm8 and TB prefix.
599 // MMXIi8 - MMX instructions with ImmT == Imm8 and TB prefix.
600 // MMXID - MMX instructions with XD prefix.
601 // MMXIS - MMX instructions with XS prefix.
602 class MMXI<bits<8> o, Format F, dag outs, dag ins, string asm,
603 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
604 : I<o, F, outs, ins, asm, pattern, itin>, TB, Requires<[HasMMX]>;
605 class MMXI64<bits<8> o, Format F, dag outs, dag ins, string asm,
606 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
607 : I<o, F, outs, ins, asm, pattern, itin>, TB, Requires<[HasMMX,In64BitMode]>;
608 class MMXRI<bits<8> o, Format F, dag outs, dag ins, string asm,
609 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
610 : I<o, F, outs, ins, asm, pattern, itin>, TB, REX_W, Requires<[HasMMX]>;
611 class MMX2I<bits<8> o, Format F, dag outs, dag ins, string asm,
612 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
613 : I<o, F, outs, ins, asm, pattern, itin>, TB, OpSize, Requires<[HasMMX]>;
614 class MMXIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
615 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
616 : Ii8<o, F, outs, ins, asm, pattern, itin>, TB, Requires<[HasMMX]>;
617 class MMXID<bits<8> o, Format F, dag outs, dag ins, string asm,
618 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
619 : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[HasMMX]>;
620 class MMXIS<bits<8> o, Format F, dag outs, dag ins, string asm,
621 list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
622 : Ii8<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[HasMMX]>;