1 //===- ARMInstrFormats.td - ARM 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 //===----------------------------------------------------------------------===//
12 // ARM Instruction Format Definitions.
15 // Format specifies the encoding used by the instruction. This is part of the
16 // ad-hoc solution used to emit machine instruction encodings by our machine
18 class Format<bits<6> val> {
22 def Pseudo : Format<0>;
23 def MulFrm : Format<1>;
24 def BrFrm : Format<2>;
25 def BrMiscFrm : Format<3>;
27 def DPFrm : Format<4>;
28 def DPSoRegFrm : Format<5>;
30 def LdFrm : Format<6>;
31 def StFrm : Format<7>;
32 def LdMiscFrm : Format<8>;
33 def StMiscFrm : Format<9>;
34 def LdStMulFrm : Format<10>;
36 def LdStExFrm : Format<11>;
38 def ArithMiscFrm : Format<12>;
39 def ExtFrm : Format<13>;
41 def VFPUnaryFrm : Format<14>;
42 def VFPBinaryFrm : Format<15>;
43 def VFPConv1Frm : Format<16>;
44 def VFPConv2Frm : Format<17>;
45 def VFPConv3Frm : Format<18>;
46 def VFPConv4Frm : Format<19>;
47 def VFPConv5Frm : Format<20>;
48 def VFPLdStFrm : Format<21>;
49 def VFPLdStMulFrm : Format<22>;
50 def VFPMiscFrm : Format<23>;
52 def ThumbFrm : Format<24>;
54 def NEONFrm : Format<25>;
55 def NEONGetLnFrm : Format<26>;
56 def NEONSetLnFrm : Format<27>;
57 def NEONDupFrm : Format<28>;
59 def MiscFrm : Format<29>;
60 def ThumbMiscFrm : Format<30>;
62 def NLdStFrm : Format<31>;
63 def NVdImmFrm : Format<32>;
67 // the instruction has a Rn register operand.
68 // UnaryDP - Indicates this is a unary data processing instruction, i.e.
69 // it doesn't have a Rn operand.
70 class UnaryDP { bit isUnaryDataProc = 1; }
72 // Xform16Bit - Indicates this Thumb2 instruction may be transformed into
73 // a 16-bit Thumb instruction if certain conditions are met.
74 class Xform16Bit { bit canXformTo16Bit = 1; }
76 //===----------------------------------------------------------------------===//
77 // ARM Instruction flags. These need to match ARMBaseInstrInfo.h.
81 class AddrMode<bits<4> val> {
84 def AddrModeNone : AddrMode<0>;
85 def AddrMode1 : AddrMode<1>;
86 def AddrMode2 : AddrMode<2>;
87 def AddrMode3 : AddrMode<3>;
88 def AddrMode4 : AddrMode<4>;
89 def AddrMode5 : AddrMode<5>;
90 def AddrMode6 : AddrMode<6>;
91 def AddrModeT1_1 : AddrMode<7>;
92 def AddrModeT1_2 : AddrMode<8>;
93 def AddrModeT1_4 : AddrMode<9>;
94 def AddrModeT1_s : AddrMode<10>;
95 def AddrModeT2_i12: AddrMode<11>;
96 def AddrModeT2_i8 : AddrMode<12>;
97 def AddrModeT2_so : AddrMode<13>;
98 def AddrModeT2_pc : AddrMode<14>;
99 def AddrModeT2_i8s4 : AddrMode<15>;
102 class SizeFlagVal<bits<3> val> {
105 def SizeInvalid : SizeFlagVal<0>; // Unset.
106 def SizeSpecial : SizeFlagVal<1>; // Pseudo or special.
107 def Size8Bytes : SizeFlagVal<2>;
108 def Size4Bytes : SizeFlagVal<3>;
109 def Size2Bytes : SizeFlagVal<4>;
111 // Load / store index mode.
112 class IndexMode<bits<2> val> {
115 def IndexModeNone : IndexMode<0>;
116 def IndexModePre : IndexMode<1>;
117 def IndexModePost : IndexMode<2>;
118 def IndexModeUpd : IndexMode<3>;
120 // Instruction execution domain.
121 class Domain<bits<2> val> {
124 def GenericDomain : Domain<0>;
125 def VFPDomain : Domain<1>; // Instructions in VFP domain only
126 def NeonDomain : Domain<2>; // Instructions in Neon domain only
127 def VFPNeonDomain : Domain<3>; // Instructions in both VFP & Neon domains
129 //===----------------------------------------------------------------------===//
131 // ARM special operands.
134 // ARM Predicate operand. Default to 14 = always (AL). Second part is CC
135 // register whose default is 0 (no register).
136 def pred : PredicateOperand<OtherVT, (ops i32imm, CCR),
137 (ops (i32 14), (i32 zero_reg))> {
138 let PrintMethod = "printPredicateOperand";
141 // Conditional code result for instructions whose 's' bit is set, e.g. subs.
142 def cc_out : OptionalDefOperand<OtherVT, (ops CCR), (ops (i32 zero_reg))> {
143 let PrintMethod = "printSBitModifierOperand";
146 // Same as cc_out except it defaults to setting CPSR.
147 def s_cc_out : OptionalDefOperand<OtherVT, (ops CCR), (ops (i32 CPSR))> {
148 let PrintMethod = "printSBitModifierOperand";
151 // ARM special operands for disassembly only.
154 def cps_opt : Operand<i32> {
155 let PrintMethod = "printCPSOptionOperand";
158 def msr_mask : Operand<i32> {
159 let PrintMethod = "printMSRMaskOperand";
162 // A8.6.117, A8.6.118. Different instructions are generated for #0 and #-0.
163 // The neg_zero operand translates -0 to -1, -1 to -2, ..., etc.
164 def neg_zero : Operand<i32> {
165 let PrintMethod = "printNegZeroOperand";
168 //===----------------------------------------------------------------------===//
170 // ARM Instruction templates.
173 class InstTemplate<AddrMode am, SizeFlagVal sz, IndexMode im,
174 Format f, Domain d, string cstr, InstrItinClass itin>
176 let Namespace = "ARM";
180 bits<4> AddrModeBits = AM.Value;
183 bits<3> SizeFlag = SZ.Value;
186 bits<2> IndexModeBits = IM.Value;
189 bits<6> Form = F.Value;
192 bits<2> Dom = D.Value;
195 // Attributes specific to ARM instructions...
197 bit isUnaryDataProc = 0;
198 bit canXformTo16Bit = 0;
200 let Constraints = cstr;
201 let Itinerary = itin;
208 class InstARM<AddrMode am, SizeFlagVal sz, IndexMode im,
209 Format f, Domain d, string cstr, InstrItinClass itin>
210 : InstTemplate<am, sz, im, f, d, cstr, itin>, Encoding;
212 // This Encoding-less class is used by Thumb1 to specify the encoding bits later
213 // on by adding flavors to specific instructions.
214 class InstThumb<AddrMode am, SizeFlagVal sz, IndexMode im,
215 Format f, Domain d, string cstr, InstrItinClass itin>
216 : InstTemplate<am, sz, im, f, d, cstr, itin>;
218 class PseudoInst<dag oops, dag iops, InstrItinClass itin,
219 string asm, list<dag> pattern>
220 : InstARM<AddrModeNone, SizeSpecial, IndexModeNone, Pseudo, GenericDomain,
222 let OutOperandList = oops;
223 let InOperandList = iops;
225 let Pattern = pattern;
228 // Almost all ARM instructions are predicable.
229 class I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
230 IndexMode im, Format f, InstrItinClass itin,
231 string opc, string asm, string cstr,
233 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
234 let OutOperandList = oops;
235 let InOperandList = !con(iops, (ins pred:$p));
236 let AsmString = !strconcat(opc, !strconcat("${p}", asm));
237 let Pattern = pattern;
238 list<Predicate> Predicates = [IsARM];
240 // A few are not predicable
241 class InoP<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
242 IndexMode im, Format f, InstrItinClass itin,
243 string opc, string asm, string cstr,
245 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
246 let OutOperandList = oops;
247 let InOperandList = iops;
248 let AsmString = !strconcat(opc, asm);
249 let Pattern = pattern;
250 let isPredicable = 0;
251 list<Predicate> Predicates = [IsARM];
254 // Same as I except it can optionally modify CPSR. Note it's modeled as
255 // an input operand since by default it's a zero register. It will
256 // become an implicit def once it's "flipped".
257 class sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
258 IndexMode im, Format f, InstrItinClass itin,
259 string opc, string asm, string cstr,
261 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
262 let OutOperandList = oops;
263 let InOperandList = !con(iops, (ins pred:$p, cc_out:$s));
264 let AsmString = !strconcat(opc, !strconcat("${p}${s}", asm));
265 let Pattern = pattern;
266 list<Predicate> Predicates = [IsARM];
270 class XI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
271 IndexMode im, Format f, InstrItinClass itin,
272 string asm, string cstr, list<dag> pattern>
273 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
274 let OutOperandList = oops;
275 let InOperandList = iops;
277 let Pattern = pattern;
278 list<Predicate> Predicates = [IsARM];
281 class AI<dag oops, dag iops, Format f, InstrItinClass itin,
282 string opc, string asm, list<dag> pattern>
283 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
284 opc, asm, "", pattern>;
285 class AsI<dag oops, dag iops, Format f, InstrItinClass itin,
286 string opc, string asm, list<dag> pattern>
287 : sI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
288 opc, asm, "", pattern>;
289 class AXI<dag oops, dag iops, Format f, InstrItinClass itin,
290 string asm, list<dag> pattern>
291 : XI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
293 class AInoP<dag oops, dag iops, Format f, InstrItinClass itin,
294 string opc, string asm, list<dag> pattern>
295 : InoP<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
296 opc, asm, "", pattern>;
298 // Ctrl flow instructions
299 class ABI<bits<4> opcod, dag oops, dag iops, InstrItinClass itin,
300 string opc, string asm, list<dag> pattern>
301 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, itin,
302 opc, asm, "", pattern> {
303 let Inst{27-24} = opcod;
305 class ABXI<bits<4> opcod, dag oops, dag iops, InstrItinClass itin,
306 string asm, list<dag> pattern>
307 : XI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, itin,
309 let Inst{27-24} = opcod;
311 class ABXIx2<dag oops, dag iops, InstrItinClass itin,
312 string asm, list<dag> pattern>
313 : XI<oops, iops, AddrModeNone, Size8Bytes, IndexModeNone, BrMiscFrm, itin,
316 // BR_JT instructions
317 class JTI<dag oops, dag iops, InstrItinClass itin,
318 string asm, list<dag> pattern>
319 : XI<oops, iops, AddrModeNone, SizeSpecial, IndexModeNone, BrMiscFrm, itin,
323 // Atomic load/store instructions
325 class AIldrex<bits<2> opcod, dag oops, dag iops, InstrItinClass itin,
326 string opc, string asm, list<dag> pattern>
327 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, LdStExFrm, itin,
328 opc, asm, "", pattern> {
329 let Inst{27-23} = 0b00011;
330 let Inst{22-21} = opcod;
332 let Inst{11-0} = 0b111110011111;
334 class AIstrex<bits<2> opcod, dag oops, dag iops, InstrItinClass itin,
335 string opc, string asm, list<dag> pattern>
336 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, LdStExFrm, itin,
337 opc, asm, "", pattern> {
338 let Inst{27-23} = 0b00011;
339 let Inst{22-21} = opcod;
341 let Inst{11-4} = 0b11111001;
344 // addrmode1 instructions
345 class AI1<bits<4> opcod, dag oops, dag iops, Format f, InstrItinClass itin,
346 string opc, string asm, list<dag> pattern>
347 : I<oops, iops, AddrMode1, Size4Bytes, IndexModeNone, f, itin,
348 opc, asm, "", pattern> {
349 let Inst{24-21} = opcod;
350 let Inst{27-26} = {0,0};
352 class AsI1<bits<4> opcod, dag oops, dag iops, Format f, InstrItinClass itin,
353 string opc, string asm, list<dag> pattern>
354 : sI<oops, iops, AddrMode1, Size4Bytes, IndexModeNone, f, itin,
355 opc, asm, "", pattern> {
356 let Inst{24-21} = opcod;
357 let Inst{27-26} = {0,0};
359 class AXI1<bits<4> opcod, dag oops, dag iops, Format f, InstrItinClass itin,
360 string asm, list<dag> pattern>
361 : XI<oops, iops, AddrMode1, Size4Bytes, IndexModeNone, f, itin,
363 let Inst{24-21} = opcod;
364 let Inst{27-26} = {0,0};
366 class AI1x2<dag oops, dag iops, Format f, InstrItinClass itin,
367 string opc, string asm, list<dag> pattern>
368 : I<oops, iops, AddrMode1, Size8Bytes, IndexModeNone, f, itin,
369 opc, asm, "", pattern>;
372 // addrmode2 loads and stores
373 class AI2<dag oops, dag iops, Format f, InstrItinClass itin,
374 string opc, string asm, list<dag> pattern>
375 : I<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
376 opc, asm, "", pattern> {
377 let Inst{27-26} = {0,1};
381 class AI2ldw<dag oops, dag iops, Format f, InstrItinClass itin,
382 string opc, string asm, list<dag> pattern>
383 : I<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
384 opc, asm, "", pattern> {
385 let Inst{20} = 1; // L bit
386 let Inst{21} = 0; // W bit
387 let Inst{22} = 0; // B bit
388 let Inst{24} = 1; // P bit
389 let Inst{27-26} = {0,1};
391 class AXI2ldw<dag oops, dag iops, Format f, InstrItinClass itin,
392 string asm, list<dag> pattern>
393 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
395 let Inst{20} = 1; // L bit
396 let Inst{21} = 0; // W bit
397 let Inst{22} = 0; // B bit
398 let Inst{24} = 1; // P bit
399 let Inst{27-26} = {0,1};
401 class AI2ldb<dag oops, dag iops, Format f, InstrItinClass itin,
402 string opc, string asm, list<dag> pattern>
403 : I<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
404 opc, asm, "", pattern> {
405 let Inst{20} = 1; // L bit
406 let Inst{21} = 0; // W bit
407 let Inst{22} = 1; // B bit
408 let Inst{24} = 1; // P bit
409 let Inst{27-26} = {0,1};
411 class AXI2ldb<dag oops, dag iops, Format f, InstrItinClass itin,
412 string asm, list<dag> pattern>
413 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
415 let Inst{20} = 1; // L bit
416 let Inst{21} = 0; // W bit
417 let Inst{22} = 1; // B bit
418 let Inst{24} = 1; // P bit
419 let Inst{27-26} = {0,1};
423 class AI2stw<dag oops, dag iops, Format f, InstrItinClass itin,
424 string opc, string asm, list<dag> pattern>
425 : I<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
426 opc, asm, "", pattern> {
427 let Inst{20} = 0; // L bit
428 let Inst{21} = 0; // W bit
429 let Inst{22} = 0; // B bit
430 let Inst{24} = 1; // P bit
431 let Inst{27-26} = {0,1};
433 class AXI2stw<dag oops, dag iops, Format f, InstrItinClass itin,
434 string asm, list<dag> pattern>
435 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
437 let Inst{20} = 0; // L bit
438 let Inst{21} = 0; // W bit
439 let Inst{22} = 0; // B bit
440 let Inst{24} = 1; // P bit
441 let Inst{27-26} = {0,1};
443 class AI2stb<dag oops, dag iops, Format f, InstrItinClass itin,
444 string opc, string asm, list<dag> pattern>
445 : I<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
446 opc, asm, "", pattern> {
447 let Inst{20} = 0; // L bit
448 let Inst{21} = 0; // W bit
449 let Inst{22} = 1; // B bit
450 let Inst{24} = 1; // P bit
451 let Inst{27-26} = {0,1};
453 class AXI2stb<dag oops, dag iops, Format f, InstrItinClass itin,
454 string asm, list<dag> pattern>
455 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
457 let Inst{20} = 0; // L bit
458 let Inst{21} = 0; // W bit
459 let Inst{22} = 1; // B bit
460 let Inst{24} = 1; // P bit
461 let Inst{27-26} = {0,1};
465 class AI2ldwpr<dag oops, dag iops, Format f, InstrItinClass itin,
466 string opc, string asm, string cstr, list<dag> pattern>
467 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePre, f, itin,
468 opc, asm, cstr, pattern> {
469 let Inst{20} = 1; // L bit
470 let Inst{21} = 1; // W bit
471 let Inst{22} = 0; // B bit
472 let Inst{24} = 1; // P bit
473 let Inst{27-26} = {0,1};
475 class AI2ldbpr<dag oops, dag iops, Format f, InstrItinClass itin,
476 string opc, string asm, string cstr, list<dag> pattern>
477 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePre, f, itin,
478 opc, asm, cstr, pattern> {
479 let Inst{20} = 1; // L bit
480 let Inst{21} = 1; // W bit
481 let Inst{22} = 1; // B bit
482 let Inst{24} = 1; // P bit
483 let Inst{27-26} = {0,1};
486 // Pre-indexed stores
487 class AI2stwpr<dag oops, dag iops, Format f, InstrItinClass itin,
488 string opc, string asm, string cstr, list<dag> pattern>
489 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePre, f, itin,
490 opc, asm, cstr, pattern> {
491 let Inst{20} = 0; // L bit
492 let Inst{21} = 1; // W bit
493 let Inst{22} = 0; // B bit
494 let Inst{24} = 1; // P bit
495 let Inst{27-26} = {0,1};
497 class AI2stbpr<dag oops, dag iops, Format f, InstrItinClass itin,
498 string opc, string asm, string cstr, list<dag> pattern>
499 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePre, f, itin,
500 opc, asm, cstr, pattern> {
501 let Inst{20} = 0; // L bit
502 let Inst{21} = 1; // W bit
503 let Inst{22} = 1; // B bit
504 let Inst{24} = 1; // P bit
505 let Inst{27-26} = {0,1};
508 // Post-indexed loads
509 class AI2ldwpo<dag oops, dag iops, Format f, InstrItinClass itin,
510 string opc, string asm, string cstr, list<dag> pattern>
511 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePost, f, itin,
512 opc, asm, cstr,pattern> {
513 let Inst{20} = 1; // L bit
514 let Inst{21} = 0; // W bit
515 let Inst{22} = 0; // B bit
516 let Inst{24} = 0; // P bit
517 let Inst{27-26} = {0,1};
519 class AI2ldbpo<dag oops, dag iops, Format f, InstrItinClass itin,
520 string opc, string asm, string cstr, list<dag> pattern>
521 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePost, f, itin,
522 opc, asm, cstr,pattern> {
523 let Inst{20} = 1; // L bit
524 let Inst{21} = 0; // W bit
525 let Inst{22} = 1; // B bit
526 let Inst{24} = 0; // P bit
527 let Inst{27-26} = {0,1};
530 // Post-indexed stores
531 class AI2stwpo<dag oops, dag iops, Format f, InstrItinClass itin,
532 string opc, string asm, string cstr, list<dag> pattern>
533 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePost, f, itin,
534 opc, asm, cstr,pattern> {
535 let Inst{20} = 0; // L bit
536 let Inst{21} = 0; // W bit
537 let Inst{22} = 0; // B bit
538 let Inst{24} = 0; // P bit
539 let Inst{27-26} = {0,1};
541 class AI2stbpo<dag oops, dag iops, Format f, InstrItinClass itin,
542 string opc, string asm, string cstr, list<dag> pattern>
543 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePost, f, itin,
544 opc, asm, cstr,pattern> {
545 let Inst{20} = 0; // L bit
546 let Inst{21} = 0; // W bit
547 let Inst{22} = 1; // B bit
548 let Inst{24} = 0; // P bit
549 let Inst{27-26} = {0,1};
552 // addrmode3 instructions
553 class AI3<dag oops, dag iops, Format f, InstrItinClass itin,
554 string opc, string asm, list<dag> pattern>
555 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
556 opc, asm, "", pattern>;
557 class AXI3<dag oops, dag iops, Format f, InstrItinClass itin,
558 string asm, list<dag> pattern>
559 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
563 class AI3ldh<dag oops, dag iops, Format f, InstrItinClass itin,
564 string opc, string asm, list<dag> pattern>
565 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
566 opc, asm, "", pattern> {
568 let Inst{5} = 1; // H bit
569 let Inst{6} = 0; // S bit
571 let Inst{20} = 1; // L bit
572 let Inst{21} = 0; // W bit
573 let Inst{24} = 1; // P bit
574 let Inst{27-25} = 0b000;
576 class AXI3ldh<dag oops, dag iops, Format f, InstrItinClass itin,
577 string asm, list<dag> pattern>
578 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
581 let Inst{5} = 1; // H bit
582 let Inst{6} = 0; // S bit
584 let Inst{20} = 1; // L bit
585 let Inst{21} = 0; // W bit
586 let Inst{24} = 1; // P bit
588 class AI3ldsh<dag oops, dag iops, Format f, InstrItinClass itin,
589 string opc, string asm, list<dag> pattern>
590 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
591 opc, asm, "", pattern> {
593 let Inst{5} = 1; // H bit
594 let Inst{6} = 1; // S bit
596 let Inst{20} = 1; // L bit
597 let Inst{21} = 0; // W bit
598 let Inst{24} = 1; // P bit
599 let Inst{27-25} = 0b000;
601 class AXI3ldsh<dag oops, dag iops, Format f, InstrItinClass itin,
602 string asm, list<dag> pattern>
603 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
606 let Inst{5} = 1; // H bit
607 let Inst{6} = 1; // S bit
609 let Inst{20} = 1; // L bit
610 let Inst{21} = 0; // W bit
611 let Inst{24} = 1; // P bit
613 class AI3ldsb<dag oops, dag iops, Format f, InstrItinClass itin,
614 string opc, string asm, list<dag> pattern>
615 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
616 opc, asm, "", pattern> {
618 let Inst{5} = 0; // H bit
619 let Inst{6} = 1; // S bit
621 let Inst{20} = 1; // L bit
622 let Inst{21} = 0; // W bit
623 let Inst{24} = 1; // P bit
624 let Inst{27-25} = 0b000;
626 class AXI3ldsb<dag oops, dag iops, Format f, InstrItinClass itin,
627 string asm, list<dag> pattern>
628 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
631 let Inst{5} = 0; // H bit
632 let Inst{6} = 1; // S bit
634 let Inst{20} = 1; // L bit
635 let Inst{21} = 0; // W bit
636 let Inst{24} = 1; // P bit
638 class AI3ldd<dag oops, dag iops, Format f, InstrItinClass itin,
639 string opc, string asm, list<dag> pattern>
640 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
641 opc, asm, "", pattern> {
643 let Inst{5} = 0; // H bit
644 let Inst{6} = 1; // S bit
646 let Inst{20} = 0; // L bit
647 let Inst{21} = 0; // W bit
648 let Inst{24} = 1; // P bit
649 let Inst{27-25} = 0b000;
653 class AI3sth<dag oops, dag iops, Format f, InstrItinClass itin,
654 string opc, string asm, list<dag> pattern>
655 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
656 opc, asm, "", pattern> {
658 let Inst{5} = 1; // H bit
659 let Inst{6} = 0; // S bit
661 let Inst{20} = 0; // L bit
662 let Inst{21} = 0; // W bit
663 let Inst{24} = 1; // P bit
664 let Inst{27-25} = 0b000;
666 class AXI3sth<dag oops, dag iops, Format f, InstrItinClass itin,
667 string asm, list<dag> pattern>
668 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
671 let Inst{5} = 1; // H bit
672 let Inst{6} = 0; // S bit
674 let Inst{20} = 0; // L bit
675 let Inst{21} = 0; // W bit
676 let Inst{24} = 1; // P bit
678 class AI3std<dag oops, dag iops, Format f, InstrItinClass itin,
679 string opc, string asm, list<dag> pattern>
680 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
681 opc, asm, "", pattern> {
683 let Inst{5} = 1; // H bit
684 let Inst{6} = 1; // S bit
686 let Inst{20} = 0; // L bit
687 let Inst{21} = 0; // W bit
688 let Inst{24} = 1; // P bit
689 let Inst{27-25} = 0b000;
693 class AI3ldhpr<dag oops, dag iops, Format f, InstrItinClass itin,
694 string opc, string asm, string cstr, list<dag> pattern>
695 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
696 opc, asm, cstr, pattern> {
698 let Inst{5} = 1; // H bit
699 let Inst{6} = 0; // S bit
701 let Inst{20} = 1; // L bit
702 let Inst{21} = 1; // W bit
703 let Inst{24} = 1; // P bit
704 let Inst{27-25} = 0b000;
706 class AI3ldshpr<dag oops, dag iops, Format f, InstrItinClass itin,
707 string opc, string asm, string cstr, list<dag> pattern>
708 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
709 opc, asm, cstr, pattern> {
711 let Inst{5} = 1; // H bit
712 let Inst{6} = 1; // S bit
714 let Inst{20} = 1; // L bit
715 let Inst{21} = 1; // W bit
716 let Inst{24} = 1; // P bit
717 let Inst{27-25} = 0b000;
719 class AI3ldsbpr<dag oops, dag iops, Format f, InstrItinClass itin,
720 string opc, string asm, string cstr, list<dag> pattern>
721 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
722 opc, asm, cstr, pattern> {
724 let Inst{5} = 0; // H bit
725 let Inst{6} = 1; // S bit
727 let Inst{20} = 1; // L bit
728 let Inst{21} = 1; // W bit
729 let Inst{24} = 1; // P bit
730 let Inst{27-25} = 0b000;
732 class AI3lddpr<dag oops, dag iops, Format f, InstrItinClass itin,
733 string opc, string asm, string cstr, list<dag> pattern>
734 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
735 opc, asm, cstr, pattern> {
737 let Inst{5} = 0; // H bit
738 let Inst{6} = 1; // S bit
740 let Inst{20} = 0; // L bit
741 let Inst{21} = 1; // W bit
742 let Inst{24} = 1; // P bit
743 let Inst{27-25} = 0b000;
747 // Pre-indexed stores
748 class AI3sthpr<dag oops, dag iops, Format f, InstrItinClass itin,
749 string opc, string asm, string cstr, list<dag> pattern>
750 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
751 opc, asm, cstr, pattern> {
753 let Inst{5} = 1; // H bit
754 let Inst{6} = 0; // S bit
756 let Inst{20} = 0; // L bit
757 let Inst{21} = 1; // W bit
758 let Inst{24} = 1; // P bit
759 let Inst{27-25} = 0b000;
761 class AI3stdpr<dag oops, dag iops, Format f, InstrItinClass itin,
762 string opc, string asm, string cstr, list<dag> pattern>
763 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
764 opc, asm, cstr, pattern> {
766 let Inst{5} = 1; // H bit
767 let Inst{6} = 1; // S bit
769 let Inst{20} = 0; // L bit
770 let Inst{21} = 1; // W bit
771 let Inst{24} = 1; // P bit
772 let Inst{27-25} = 0b000;
775 // Post-indexed loads
776 class AI3ldhpo<dag oops, dag iops, Format f, InstrItinClass itin,
777 string opc, string asm, string cstr, list<dag> pattern>
778 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
779 opc, asm, cstr,pattern> {
781 let Inst{5} = 1; // H bit
782 let Inst{6} = 0; // S bit
784 let Inst{20} = 1; // L bit
785 let Inst{21} = 0; // W bit
786 let Inst{24} = 0; // P bit
787 let Inst{27-25} = 0b000;
789 class AI3ldshpo<dag oops, dag iops, Format f, InstrItinClass itin,
790 string opc, string asm, string cstr, list<dag> pattern>
791 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
792 opc, asm, cstr,pattern> {
794 let Inst{5} = 1; // H bit
795 let Inst{6} = 1; // S bit
797 let Inst{20} = 1; // L bit
798 let Inst{21} = 0; // W bit
799 let Inst{24} = 0; // P bit
800 let Inst{27-25} = 0b000;
802 class AI3ldsbpo<dag oops, dag iops, Format f, InstrItinClass itin,
803 string opc, string asm, string cstr, list<dag> pattern>
804 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
805 opc, asm, cstr,pattern> {
807 let Inst{5} = 0; // H bit
808 let Inst{6} = 1; // S bit
810 let Inst{20} = 1; // L bit
811 let Inst{21} = 0; // W bit
812 let Inst{24} = 0; // P bit
813 let Inst{27-25} = 0b000;
815 class AI3lddpo<dag oops, dag iops, Format f, InstrItinClass itin,
816 string opc, string asm, string cstr, list<dag> pattern>
817 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
818 opc, asm, cstr, pattern> {
820 let Inst{5} = 0; // H bit
821 let Inst{6} = 1; // S bit
823 let Inst{20} = 0; // L bit
824 let Inst{21} = 0; // W bit
825 let Inst{24} = 0; // P bit
826 let Inst{27-25} = 0b000;
829 // Post-indexed stores
830 class AI3sthpo<dag oops, dag iops, Format f, InstrItinClass itin,
831 string opc, string asm, string cstr, list<dag> pattern>
832 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
833 opc, asm, cstr,pattern> {
835 let Inst{5} = 1; // H bit
836 let Inst{6} = 0; // S bit
838 let Inst{20} = 0; // L bit
839 let Inst{21} = 0; // W bit
840 let Inst{24} = 0; // P bit
841 let Inst{27-25} = 0b000;
843 class AI3stdpo<dag oops, dag iops, Format f, InstrItinClass itin,
844 string opc, string asm, string cstr, list<dag> pattern>
845 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
846 opc, asm, cstr, pattern> {
848 let Inst{5} = 1; // H bit
849 let Inst{6} = 1; // S bit
851 let Inst{20} = 0; // L bit
852 let Inst{21} = 0; // W bit
853 let Inst{24} = 0; // P bit
854 let Inst{27-25} = 0b000;
857 // addrmode4 instructions
858 class AXI4ld<dag oops, dag iops, IndexMode im, Format f, InstrItinClass itin,
859 string asm, string cstr, list<dag> pattern>
860 : XI<oops, iops, AddrMode4, Size4Bytes, im, f, itin,
861 asm, cstr, pattern> {
862 let Inst{20} = 1; // L bit
863 let Inst{22} = 0; // S bit
864 let Inst{27-25} = 0b100;
866 class AXI4st<dag oops, dag iops, IndexMode im, Format f, InstrItinClass itin,
867 string asm, string cstr, list<dag> pattern>
868 : XI<oops, iops, AddrMode4, Size4Bytes, im, f, itin,
869 asm, cstr, pattern> {
870 let Inst{20} = 0; // L bit
871 let Inst{22} = 0; // S bit
872 let Inst{27-25} = 0b100;
875 // Unsigned multiply, multiply-accumulate instructions.
876 class AMul1I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
877 string opc, string asm, list<dag> pattern>
878 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
879 opc, asm, "", pattern> {
880 let Inst{7-4} = 0b1001;
881 let Inst{20} = 0; // S bit
882 let Inst{27-21} = opcod;
884 class AsMul1I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
885 string opc, string asm, list<dag> pattern>
886 : sI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
887 opc, asm, "", pattern> {
888 let Inst{7-4} = 0b1001;
889 let Inst{27-21} = opcod;
892 // Most significant word multiply
893 class AMul2I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
894 string opc, string asm, list<dag> pattern>
895 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
896 opc, asm, "", pattern> {
897 let Inst{7-4} = 0b1001;
899 let Inst{27-21} = opcod;
902 // SMUL<x><y> / SMULW<y> / SMLA<x><y> / SMLAW<x><y>
903 class AMulxyI<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
904 string opc, string asm, list<dag> pattern>
905 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
906 opc, asm, "", pattern> {
910 let Inst{27-21} = opcod;
913 // Extend instructions.
914 class AExtI<bits<8> opcod, dag oops, dag iops, InstrItinClass itin,
915 string opc, string asm, list<dag> pattern>
916 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ExtFrm, itin,
917 opc, asm, "", pattern> {
918 let Inst{7-4} = 0b0111;
919 let Inst{27-20} = opcod;
922 // Misc Arithmetic instructions.
923 class AMiscA1I<bits<8> opcod, dag oops, dag iops, InstrItinClass itin,
924 string opc, string asm, list<dag> pattern>
925 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ArithMiscFrm, itin,
926 opc, asm, "", pattern> {
927 let Inst{27-20} = opcod;
930 //===----------------------------------------------------------------------===//
932 // ARMPat - Same as Pat<>, but requires that the compiler be in ARM mode.
933 class ARMPat<dag pattern, dag result> : Pat<pattern, result> {
934 list<Predicate> Predicates = [IsARM];
936 class ARMV5TEPat<dag pattern, dag result> : Pat<pattern, result> {
937 list<Predicate> Predicates = [IsARM, HasV5TE];
939 class ARMV6Pat<dag pattern, dag result> : Pat<pattern, result> {
940 list<Predicate> Predicates = [IsARM, HasV6];
943 //===----------------------------------------------------------------------===//
945 // Thumb Instruction Format Definitions.
948 // TI - Thumb instruction.
950 class ThumbI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
951 InstrItinClass itin, string asm, string cstr, list<dag> pattern>
952 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
953 let OutOperandList = oops;
954 let InOperandList = iops;
956 let Pattern = pattern;
957 list<Predicate> Predicates = [IsThumb];
960 class TI<dag oops, dag iops, InstrItinClass itin, string asm, list<dag> pattern>
961 : ThumbI<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "", pattern>;
963 // Two-address instructions
964 class TIt<dag oops, dag iops, InstrItinClass itin, string asm,
966 : ThumbI<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "$lhs = $dst",
969 // tBL, tBX 32-bit instructions
970 class TIx2<bits<5> opcod1, bits<2> opcod2, bit opcod3,
971 dag oops, dag iops, InstrItinClass itin, string asm,
973 : ThumbI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>,
975 let Inst{31-27} = opcod1;
976 let Inst{15-14} = opcod2;
977 let Inst{12} = opcod3;
980 // BR_JT instructions
981 class TJTI<dag oops, dag iops, InstrItinClass itin, string asm,
983 : ThumbI<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
986 class Thumb1I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
987 InstrItinClass itin, string asm, string cstr, list<dag> pattern>
988 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
989 let OutOperandList = oops;
990 let InOperandList = iops;
992 let Pattern = pattern;
993 list<Predicate> Predicates = [IsThumb1Only];
996 class T1I<dag oops, dag iops, InstrItinClass itin,
997 string asm, list<dag> pattern>
998 : Thumb1I<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "", pattern>;
999 class T1Ix2<dag oops, dag iops, InstrItinClass itin,
1000 string asm, list<dag> pattern>
1001 : Thumb1I<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>;
1002 class T1JTI<dag oops, dag iops, InstrItinClass itin,
1003 string asm, list<dag> pattern>
1004 : Thumb1I<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
1006 // Two-address instructions
1007 class T1It<dag oops, dag iops, InstrItinClass itin,
1008 string asm, string cstr, list<dag> pattern>
1009 : Thumb1I<oops, iops, AddrModeNone, Size2Bytes, itin,
1010 asm, cstr, pattern>;
1012 // Thumb1 instruction that can either be predicated or set CPSR.
1013 class Thumb1sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1014 InstrItinClass itin,
1015 string opc, string asm, string cstr, list<dag> pattern>
1016 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1017 let OutOperandList = !con(oops, (outs s_cc_out:$s));
1018 let InOperandList = !con(iops, (ins pred:$p));
1019 let AsmString = !strconcat(opc, !strconcat("${s}${p}", asm));
1020 let Pattern = pattern;
1021 list<Predicate> Predicates = [IsThumb1Only];
1024 class T1sI<dag oops, dag iops, InstrItinClass itin,
1025 string opc, string asm, list<dag> pattern>
1026 : Thumb1sI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm, "", pattern>;
1028 // Two-address instructions
1029 class T1sIt<dag oops, dag iops, InstrItinClass itin,
1030 string opc, string asm, list<dag> pattern>
1031 : Thumb1sI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm,
1032 "$lhs = $dst", pattern>;
1034 // Thumb1 instruction that can be predicated.
1035 class Thumb1pI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1036 InstrItinClass itin,
1037 string opc, string asm, string cstr, list<dag> pattern>
1038 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1039 let OutOperandList = oops;
1040 let InOperandList = !con(iops, (ins pred:$p));
1041 let AsmString = !strconcat(opc, !strconcat("${p}", asm));
1042 let Pattern = pattern;
1043 list<Predicate> Predicates = [IsThumb1Only];
1046 class T1pI<dag oops, dag iops, InstrItinClass itin,
1047 string opc, string asm, list<dag> pattern>
1048 : Thumb1pI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm, "", pattern>;
1050 // Two-address instructions
1051 class T1pIt<dag oops, dag iops, InstrItinClass itin,
1052 string opc, string asm, list<dag> pattern>
1053 : Thumb1pI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm,
1054 "$lhs = $dst", pattern>;
1056 class T1pI1<dag oops, dag iops, InstrItinClass itin,
1057 string opc, string asm, list<dag> pattern>
1058 : Thumb1pI<oops, iops, AddrModeT1_1, Size2Bytes, itin, opc, asm, "", pattern>;
1059 class T1pI2<dag oops, dag iops, InstrItinClass itin,
1060 string opc, string asm, list<dag> pattern>
1061 : Thumb1pI<oops, iops, AddrModeT1_2, Size2Bytes, itin, opc, asm, "", pattern>;
1062 class T1pI4<dag oops, dag iops, InstrItinClass itin,
1063 string opc, string asm, list<dag> pattern>
1064 : Thumb1pI<oops, iops, AddrModeT1_4, Size2Bytes, itin, opc, asm, "", pattern>;
1065 class T1pIs<dag oops, dag iops,
1066 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1067 : Thumb1pI<oops, iops, AddrModeT1_s, Size2Bytes, itin, opc, asm, "", pattern>;
1069 class Encoding16 : Encoding {
1070 let Inst{31-16} = 0x0000;
1073 // A6.2 16-bit Thumb instruction encoding
1074 class T1Encoding<bits<6> opcode> : Encoding16 {
1075 let Inst{15-10} = opcode;
1078 // A6.2.1 Shift (immediate), add, subtract, move, and compare encoding.
1079 class T1General<bits<5> opcode> : Encoding16 {
1080 let Inst{15-14} = 0b00;
1081 let Inst{13-9} = opcode;
1084 // A6.2.2 Data-processing encoding.
1085 class T1DataProcessing<bits<4> opcode> : Encoding16 {
1086 let Inst{15-10} = 0b010000;
1087 let Inst{9-6} = opcode;
1090 // A6.2.3 Special data instructions and branch and exchange encoding.
1091 class T1Special<bits<4> opcode> : Encoding16 {
1092 let Inst{15-10} = 0b010001;
1093 let Inst{9-6} = opcode;
1096 // A6.2.4 Load/store single data item encoding.
1097 class T1LoadStore<bits<4> opA, bits<3> opB> : Encoding16 {
1098 let Inst{15-12} = opA;
1099 let Inst{11-9} = opB;
1101 class T1LdSt<bits<3> opB> : T1LoadStore<0b0101, opB>;
1102 class T1LdSt4Imm<bits<3> opB> : T1LoadStore<0b0110, opB>; // Immediate, 4 bytes
1103 class T1LdSt1Imm<bits<3> opB> : T1LoadStore<0b0111, opB>; // Immediate, 1 byte
1104 class T1LdSt2Imm<bits<3> opB> : T1LoadStore<0b1000, opB>; // Immediate, 2 bytes
1105 class T1LdStSP<bits<3> opB> : T1LoadStore<0b1001, opB>; // SP relative
1107 // A6.2.5 Miscellaneous 16-bit instructions encoding.
1108 class T1Misc<bits<7> opcode> : Encoding16 {
1109 let Inst{15-12} = 0b1011;
1110 let Inst{11-5} = opcode;
1113 // Thumb2I - Thumb2 instruction. Almost all Thumb2 instructions are predicable.
1114 class Thumb2I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1115 InstrItinClass itin,
1116 string opc, string asm, string cstr, list<dag> pattern>
1117 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1118 let OutOperandList = oops;
1119 let InOperandList = !con(iops, (ins pred:$p));
1120 let AsmString = !strconcat(opc, !strconcat("${p}", asm));
1121 let Pattern = pattern;
1122 list<Predicate> Predicates = [IsThumb2];
1125 // Same as Thumb2I except it can optionally modify CPSR. Note it's modeled as
1126 // an input operand since by default it's a zero register. It will
1127 // become an implicit def once it's "flipped".
1128 // FIXME: This uses unified syntax so {s} comes before {p}. We should make it
1130 class Thumb2sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1131 InstrItinClass itin,
1132 string opc, string asm, string cstr, list<dag> pattern>
1133 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1134 let OutOperandList = oops;
1135 let InOperandList = !con(iops, (ins pred:$p, cc_out:$s));
1136 let AsmString = !strconcat(opc, !strconcat("${s}${p}", asm));
1137 let Pattern = pattern;
1138 list<Predicate> Predicates = [IsThumb2];
1142 class Thumb2XI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1143 InstrItinClass itin,
1144 string asm, string cstr, list<dag> pattern>
1145 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1146 let OutOperandList = oops;
1147 let InOperandList = iops;
1148 let AsmString = asm;
1149 let Pattern = pattern;
1150 list<Predicate> Predicates = [IsThumb2];
1153 class ThumbXI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1154 InstrItinClass itin,
1155 string asm, string cstr, list<dag> pattern>
1156 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1157 let OutOperandList = oops;
1158 let InOperandList = iops;
1159 let AsmString = asm;
1160 let Pattern = pattern;
1161 list<Predicate> Predicates = [IsThumb1Only];
1164 class T2I<dag oops, dag iops, InstrItinClass itin,
1165 string opc, string asm, list<dag> pattern>
1166 : Thumb2I<oops, iops, AddrModeNone, Size4Bytes, itin, opc, asm, "", pattern>;
1167 class T2Ii12<dag oops, dag iops, InstrItinClass itin,
1168 string opc, string asm, list<dag> pattern>
1169 : Thumb2I<oops, iops, AddrModeT2_i12, Size4Bytes, itin, opc, asm, "",pattern>;
1170 class T2Ii8<dag oops, dag iops, InstrItinClass itin,
1171 string opc, string asm, list<dag> pattern>
1172 : Thumb2I<oops, iops, AddrModeT2_i8, Size4Bytes, itin, opc, asm, "", pattern>;
1173 class T2Iso<dag oops, dag iops, InstrItinClass itin,
1174 string opc, string asm, list<dag> pattern>
1175 : Thumb2I<oops, iops, AddrModeT2_so, Size4Bytes, itin, opc, asm, "", pattern>;
1176 class T2Ipc<dag oops, dag iops, InstrItinClass itin,
1177 string opc, string asm, list<dag> pattern>
1178 : Thumb2I<oops, iops, AddrModeT2_pc, Size4Bytes, itin, opc, asm, "", pattern>;
1179 class T2Ii8s4<bit P, bit W, bit load, dag oops, dag iops, InstrItinClass itin,
1180 string opc, string asm, list<dag> pattern>
1181 : Thumb2I<oops, iops, AddrModeT2_i8s4, Size4Bytes, itin, opc, asm, "",
1183 let Inst{31-27} = 0b11101;
1184 let Inst{26-25} = 0b00;
1186 let Inst{23} = ?; // The U bit.
1189 let Inst{20} = load;
1192 class T2sI<dag oops, dag iops, InstrItinClass itin,
1193 string opc, string asm, list<dag> pattern>
1194 : Thumb2sI<oops, iops, AddrModeNone, Size4Bytes, itin, opc, asm, "", pattern>;
1196 class T2XI<dag oops, dag iops, InstrItinClass itin,
1197 string asm, list<dag> pattern>
1198 : Thumb2XI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>;
1199 class T2JTI<dag oops, dag iops, InstrItinClass itin,
1200 string asm, list<dag> pattern>
1201 : Thumb2XI<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
1203 class T2Ix2<dag oops, dag iops, InstrItinClass itin,
1204 string opc, string asm, list<dag> pattern>
1205 : Thumb2I<oops, iops, AddrModeNone, Size8Bytes, itin, opc, asm, "", pattern>;
1207 // Two-address instructions
1208 class T2XIt<dag oops, dag iops, InstrItinClass itin,
1209 string asm, string cstr, list<dag> pattern>
1210 : Thumb2XI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, cstr, pattern>;
1212 // T2Iidxldst - Thumb2 indexed load / store instructions.
1213 class T2Iidxldst<bit signed, bits<2> opcod, bit load, bit pre,
1215 AddrMode am, IndexMode im, InstrItinClass itin,
1216 string opc, string asm, string cstr, list<dag> pattern>
1217 : InstARM<am, Size4Bytes, im, ThumbFrm, GenericDomain, cstr, itin> {
1218 let OutOperandList = oops;
1219 let InOperandList = !con(iops, (ins pred:$p));
1220 let AsmString = !strconcat(opc, !strconcat("${p}", asm));
1221 let Pattern = pattern;
1222 list<Predicate> Predicates = [IsThumb2];
1223 let Inst{31-27} = 0b11111;
1224 let Inst{26-25} = 0b00;
1225 let Inst{24} = signed;
1227 let Inst{22-21} = opcod;
1228 let Inst{20} = load;
1230 // (P, W) = (1, 1) Pre-indexed or (0, 1) Post-indexed
1231 let Inst{10} = pre; // The P bit.
1232 let Inst{8} = 1; // The W bit.
1235 // Helper class for disassembly only
1236 // A6.3.16 & A6.3.17
1237 // T2Imac - Thumb2 multiply [accumulate, and absolute difference] instructions.
1238 class T2I_mac<bit long, bits<3> op22_20, bits<4> op7_4, dag oops, dag iops,
1239 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1240 : T2I<oops, iops, itin, opc, asm, pattern> {
1241 let Inst{31-27} = 0b11111;
1242 let Inst{26-24} = 0b011;
1243 let Inst{23} = long;
1244 let Inst{22-20} = op22_20;
1245 let Inst{7-4} = op7_4;
1248 // Tv5Pat - Same as Pat<>, but requires V5T Thumb mode.
1249 class Tv5Pat<dag pattern, dag result> : Pat<pattern, result> {
1250 list<Predicate> Predicates = [IsThumb1Only, HasV5T];
1253 // T1Pat - Same as Pat<>, but requires that the compiler be in Thumb1 mode.
1254 class T1Pat<dag pattern, dag result> : Pat<pattern, result> {
1255 list<Predicate> Predicates = [IsThumb1Only];
1258 // T2Pat - Same as Pat<>, but requires that the compiler be in Thumb2 mode.
1259 class T2Pat<dag pattern, dag result> : Pat<pattern, result> {
1260 list<Predicate> Predicates = [IsThumb2];
1263 //===----------------------------------------------------------------------===//
1265 //===----------------------------------------------------------------------===//
1266 // ARM VFP Instruction templates.
1269 // Almost all VFP instructions are predicable.
1270 class VFPI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1271 IndexMode im, Format f, InstrItinClass itin,
1272 string opc, string asm, string cstr, list<dag> pattern>
1273 : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
1274 let OutOperandList = oops;
1275 let InOperandList = !con(iops, (ins pred:$p));
1276 let AsmString = !strconcat(opc, !strconcat("${p}", asm));
1277 let Pattern = pattern;
1278 list<Predicate> Predicates = [HasVFP2];
1282 class VFPXI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1283 IndexMode im, Format f, InstrItinClass itin,
1284 string asm, string cstr, list<dag> pattern>
1285 : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
1286 let OutOperandList = oops;
1287 let InOperandList = iops;
1288 let AsmString = asm;
1289 let Pattern = pattern;
1290 list<Predicate> Predicates = [HasVFP2];
1293 class VFPAI<dag oops, dag iops, Format f, InstrItinClass itin,
1294 string opc, string asm, list<dag> pattern>
1295 : VFPI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
1296 opc, asm, "", pattern>;
1298 // ARM VFP addrmode5 loads and stores
1299 class ADI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
1300 InstrItinClass itin,
1301 string opc, string asm, list<dag> pattern>
1302 : VFPI<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
1303 VFPLdStFrm, itin, opc, asm, "", pattern> {
1304 // TODO: Mark the instructions with the appropriate subtarget info.
1305 let Inst{27-24} = opcod1;
1306 let Inst{21-20} = opcod2;
1307 let Inst{11-8} = 0b1011;
1309 // 64-bit loads & stores operate on both NEON and VFP pipelines.
1310 let Dom = VFPNeonDomain.Value;
1313 class ASI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
1314 InstrItinClass itin,
1315 string opc, string asm, list<dag> pattern>
1316 : VFPI<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
1317 VFPLdStFrm, itin, opc, asm, "", pattern> {
1318 // TODO: Mark the instructions with the appropriate subtarget info.
1319 let Inst{27-24} = opcod1;
1320 let Inst{21-20} = opcod2;
1321 let Inst{11-8} = 0b1010;
1324 // Load / store multiple
1325 class AXDI5<dag oops, dag iops, IndexMode im, InstrItinClass itin,
1326 string asm, string cstr, list<dag> pattern>
1327 : VFPXI<oops, iops, AddrMode5, Size4Bytes, im,
1328 VFPLdStMulFrm, itin, asm, cstr, pattern> {
1329 // TODO: Mark the instructions with the appropriate subtarget info.
1330 let Inst{27-25} = 0b110;
1331 let Inst{11-8} = 0b1011;
1333 // 64-bit loads & stores operate on both NEON and VFP pipelines.
1334 let Dom = VFPNeonDomain.Value;
1337 class AXSI5<dag oops, dag iops, IndexMode im, InstrItinClass itin,
1338 string asm, string cstr, list<dag> pattern>
1339 : VFPXI<oops, iops, AddrMode5, Size4Bytes, im,
1340 VFPLdStMulFrm, itin, asm, cstr, pattern> {
1341 // TODO: Mark the instructions with the appropriate subtarget info.
1342 let Inst{27-25} = 0b110;
1343 let Inst{11-8} = 0b1010;
1346 // Double precision, unary
1347 class ADuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1348 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1349 string asm, list<dag> pattern>
1350 : VFPAI<oops, iops, VFPUnaryFrm, itin, opc, asm, pattern> {
1351 let Inst{27-23} = opcod1;
1352 let Inst{21-20} = opcod2;
1353 let Inst{19-16} = opcod3;
1354 let Inst{11-8} = 0b1011;
1355 let Inst{7-6} = opcod4;
1356 let Inst{4} = opcod5;
1359 // Double precision, binary
1360 class ADbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1361 dag iops, InstrItinClass itin, string opc, string asm,
1363 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1364 let Inst{27-23} = opcod1;
1365 let Inst{21-20} = opcod2;
1366 let Inst{11-8} = 0b1011;
1371 // Single precision, unary
1372 class ASuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1373 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1374 string asm, list<dag> pattern>
1375 : VFPAI<oops, iops, VFPUnaryFrm, itin, opc, asm, pattern> {
1376 let Inst{27-23} = opcod1;
1377 let Inst{21-20} = opcod2;
1378 let Inst{19-16} = opcod3;
1379 let Inst{11-8} = 0b1010;
1380 let Inst{7-6} = opcod4;
1381 let Inst{4} = opcod5;
1384 // Single precision unary, if no NEON
1385 // Same as ASuI except not available if NEON is enabled
1386 class ASuIn<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1387 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1388 string asm, list<dag> pattern>
1389 : ASuI<opcod1, opcod2, opcod3, opcod4, opcod5, oops, iops, itin, opc, asm,
1391 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1394 // Single precision, binary
1395 class ASbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops, dag iops,
1396 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1397 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1398 let Inst{27-23} = opcod1;
1399 let Inst{21-20} = opcod2;
1400 let Inst{11-8} = 0b1010;
1405 // Single precision binary, if no NEON
1406 // Same as ASbI except not available if NEON is enabled
1407 class ASbIn<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1408 dag iops, InstrItinClass itin, string opc, string asm,
1410 : ASbI<opcod1, opcod2, op6, op4, oops, iops, itin, opc, asm, pattern> {
1411 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1414 // VFP conversion instructions
1415 class AVConv1I<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<4> opcod4,
1416 dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1418 : VFPAI<oops, iops, VFPConv1Frm, itin, opc, asm, pattern> {
1419 let Inst{27-23} = opcod1;
1420 let Inst{21-20} = opcod2;
1421 let Inst{19-16} = opcod3;
1422 let Inst{11-8} = opcod4;
1427 // VFP conversion between floating-point and fixed-point
1428 class AVConv1XI<bits<5> op1, bits<2> op2, bits<4> op3, bits<4> op4, bit op5,
1429 dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1431 : AVConv1I<op1, op2, op3, op4, oops, iops, itin, opc, asm, pattern> {
1432 // size (fixed-point number): sx == 0 ? 16 : 32
1433 let Inst{7} = op5; // sx
1436 // VFP conversion instructions, if no NEON
1437 class AVConv1In<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<4> opcod4,
1438 dag oops, dag iops, InstrItinClass itin,
1439 string opc, string asm, list<dag> pattern>
1440 : AVConv1I<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm,
1442 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1445 class AVConvXI<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops, Format f,
1446 InstrItinClass itin,
1447 string opc, string asm, list<dag> pattern>
1448 : VFPAI<oops, iops, f, itin, opc, asm, pattern> {
1449 let Inst{27-20} = opcod1;
1450 let Inst{11-8} = opcod2;
1454 class AVConv2I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1455 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1456 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv2Frm, itin, opc, asm, pattern>;
1458 class AVConv3I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1459 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1460 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv3Frm, itin, opc, asm, pattern>;
1462 class AVConv4I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1463 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1464 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv4Frm, itin, opc, asm, pattern>;
1466 class AVConv5I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1467 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1468 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv5Frm, itin, opc, asm, pattern>;
1470 //===----------------------------------------------------------------------===//
1472 //===----------------------------------------------------------------------===//
1473 // ARM NEON Instruction templates.
1476 class NeonI<dag oops, dag iops, AddrMode am, IndexMode im, Format f,
1477 InstrItinClass itin, string opc, string dt, string asm, string cstr,
1479 : InstARM<am, Size4Bytes, im, f, NeonDomain, cstr, itin> {
1480 let OutOperandList = oops;
1481 let InOperandList = !con(iops, (ins pred:$p));
1482 let AsmString = !strconcat(
1483 !strconcat(!strconcat(opc, "${p}"), !strconcat(".", dt)),
1484 !strconcat("\t", asm));
1485 let Pattern = pattern;
1486 list<Predicate> Predicates = [HasNEON];
1489 // Same as NeonI except it does not have a "data type" specifier.
1490 class NeonXI<dag oops, dag iops, AddrMode am, IndexMode im, InstrItinClass itin,
1491 string opc, string asm, string cstr, list<dag> pattern>
1492 : InstARM<am, Size4Bytes, im, NEONFrm, NeonDomain, cstr, itin> {
1493 let OutOperandList = oops;
1494 let InOperandList = !con(iops, (ins pred:$p));
1495 let AsmString = !strconcat(!strconcat(opc, "${p}"), !strconcat("\t", asm));
1496 let Pattern = pattern;
1497 list<Predicate> Predicates = [HasNEON];
1500 class NI<dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1502 : NeonXI<oops, iops, AddrModeNone, IndexModeNone, itin, opc, asm, "",
1506 class NI4<dag oops, dag iops, InstrItinClass itin, string opc,
1507 string asm, list<dag> pattern>
1508 : NeonXI<oops, iops, AddrMode4, IndexModeNone, itin, opc, asm, "",
1512 class NLdSt<bit op23, bits<2> op21_20, bits<4> op11_8, bits<4> op7_4,
1513 dag oops, dag iops, InstrItinClass itin,
1514 string opc, string dt, string asm, string cstr, list<dag> pattern>
1515 : NeonI<oops, iops, AddrMode6, IndexModeNone, NLdStFrm, itin, opc, dt, asm,
1517 let Inst{31-24} = 0b11110100;
1518 let Inst{23} = op23;
1519 let Inst{21-20} = op21_20;
1520 let Inst{11-8} = op11_8;
1521 let Inst{7-4} = op7_4;
1524 class NDataI<dag oops, dag iops, Format f, InstrItinClass itin,
1525 string opc, string dt, string asm, string cstr, list<dag> pattern>
1526 : NeonI<oops, iops, AddrModeNone, IndexModeNone, f, itin, opc, dt, asm, cstr,
1528 let Inst{31-25} = 0b1111001;
1531 class NDataXI<dag oops, dag iops, InstrItinClass itin,
1532 string opc, string asm, string cstr, list<dag> pattern>
1533 : NeonXI<oops, iops, AddrModeNone, IndexModeNone, itin, opc, asm,
1535 let Inst{31-25} = 0b1111001;
1538 // NEON "one register and a modified immediate" format.
1539 class N1ModImm<bit op23, bits<3> op21_19, bits<4> op11_8, bit op7, bit op6,
1541 dag oops, dag iops, InstrItinClass itin,
1542 string opc, string dt, string asm, string cstr,
1544 : NDataI<oops, iops, NVdImmFrm, itin, opc, dt, asm, cstr, pattern> {
1545 let Inst{23} = op23;
1546 let Inst{21-19} = op21_19;
1547 let Inst{11-8} = op11_8;
1554 // NEON 2 vector register format.
1555 class N2V<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18, bits<2> op17_16,
1556 bits<5> op11_7, bit op6, bit op4,
1557 dag oops, dag iops, InstrItinClass itin,
1558 string opc, string dt, string asm, string cstr, list<dag> pattern>
1559 : NDataI<oops, iops, NEONFrm, itin, opc, dt, asm, cstr, pattern> {
1560 let Inst{24-23} = op24_23;
1561 let Inst{21-20} = op21_20;
1562 let Inst{19-18} = op19_18;
1563 let Inst{17-16} = op17_16;
1564 let Inst{11-7} = op11_7;
1569 // Same as N2V except it doesn't have a datatype suffix.
1570 class N2VX<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18, bits<2> op17_16,
1571 bits<5> op11_7, bit op6, bit op4,
1572 dag oops, dag iops, InstrItinClass itin,
1573 string opc, string asm, string cstr, list<dag> pattern>
1574 : NDataXI<oops, iops, itin, opc, asm, cstr, pattern> {
1575 let Inst{24-23} = op24_23;
1576 let Inst{21-20} = op21_20;
1577 let Inst{19-18} = op19_18;
1578 let Inst{17-16} = op17_16;
1579 let Inst{11-7} = op11_7;
1584 // NEON 2 vector register with immediate.
1585 class N2VImm<bit op24, bit op23, bits<4> op11_8, bit op7, bit op6, bit op4,
1586 dag oops, dag iops, InstrItinClass itin,
1587 string opc, string dt, string asm, string cstr, list<dag> pattern>
1588 : NDataI<oops, iops, NEONFrm, itin, opc, dt, asm, cstr, pattern> {
1589 let Inst{24} = op24;
1590 let Inst{23} = op23;
1591 let Inst{11-8} = op11_8;
1597 // NEON 3 vector register format.
1598 class N3V<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6, bit op4,
1599 dag oops, dag iops, InstrItinClass itin,
1600 string opc, string dt, string asm, string cstr, list<dag> pattern>
1601 : NDataI<oops, iops, NEONFrm, itin, opc, dt, asm, cstr, pattern> {
1602 let Inst{24} = op24;
1603 let Inst{23} = op23;
1604 let Inst{21-20} = op21_20;
1605 let Inst{11-8} = op11_8;
1610 // Same as N3VX except it doesn't have a data type suffix.
1611 class N3VX<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6,
1613 dag oops, dag iops, InstrItinClass itin,
1614 string opc, string asm, string cstr, list<dag> pattern>
1615 : NDataXI<oops, iops, itin, opc, asm, cstr, pattern> {
1616 let Inst{24} = op24;
1617 let Inst{23} = op23;
1618 let Inst{21-20} = op21_20;
1619 let Inst{11-8} = op11_8;
1624 // NEON VMOVs between scalar and core registers.
1625 class NVLaneOp<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1626 dag oops, dag iops, Format f, InstrItinClass itin,
1627 string opc, string dt, string asm, list<dag> pattern>
1628 : InstARM<AddrModeNone, Size4Bytes, IndexModeNone, f, GenericDomain,
1630 let Inst{27-20} = opcod1;
1631 let Inst{11-8} = opcod2;
1632 let Inst{6-5} = opcod3;
1635 let OutOperandList = oops;
1636 let InOperandList = !con(iops, (ins pred:$p));
1637 let AsmString = !strconcat(
1638 !strconcat(!strconcat(opc, "${p}"), !strconcat(".", dt)),
1639 !strconcat("\t", asm));
1640 let Pattern = pattern;
1641 list<Predicate> Predicates = [HasNEON];
1643 class NVGetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1644 dag oops, dag iops, InstrItinClass itin,
1645 string opc, string dt, string asm, list<dag> pattern>
1646 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NEONGetLnFrm, itin,
1647 opc, dt, asm, pattern>;
1648 class NVSetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1649 dag oops, dag iops, InstrItinClass itin,
1650 string opc, string dt, string asm, list<dag> pattern>
1651 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NEONSetLnFrm, itin,
1652 opc, dt, asm, pattern>;
1653 class NVDup<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1654 dag oops, dag iops, InstrItinClass itin,
1655 string opc, string dt, string asm, list<dag> pattern>
1656 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NEONDupFrm, itin,
1657 opc, dt, asm, pattern>;
1659 // NEONFPPat - Same as Pat<>, but requires that the compiler be using NEON
1660 // for single-precision FP.
1661 class NEONFPPat<dag pattern, dag result> : Pat<pattern, result> {
1662 list<Predicate> Predicates = [HasNEON,UseNEONForFP];