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 SatFrm : Format<13>;
40 def ExtFrm : Format<14>;
42 def VFPUnaryFrm : Format<15>;
43 def VFPBinaryFrm : Format<16>;
44 def VFPConv1Frm : Format<17>;
45 def VFPConv2Frm : Format<18>;
46 def VFPConv3Frm : Format<19>;
47 def VFPConv4Frm : Format<20>;
48 def VFPConv5Frm : Format<21>;
49 def VFPLdStFrm : Format<22>;
50 def VFPLdStMulFrm : Format<23>;
51 def VFPMiscFrm : Format<24>;
53 def ThumbFrm : Format<25>;
54 def MiscFrm : Format<26>;
56 def NGetLnFrm : Format<27>;
57 def NSetLnFrm : Format<28>;
58 def NDupFrm : Format<29>;
59 def NLdStFrm : Format<30>;
60 def N1RegModImmFrm: Format<31>;
61 def N2RegFrm : Format<32>;
62 def NVCVTFrm : Format<33>;
63 def NVDupLnFrm : Format<34>;
64 def N2RegVShLFrm : Format<35>;
65 def N2RegVShRFrm : Format<36>;
66 def N3RegFrm : Format<37>;
67 def N3RegVShFrm : Format<38>;
68 def NVExtFrm : Format<39>;
69 def NVMulSLFrm : Format<40>;
70 def NVTBLFrm : Format<41>;
74 // the instruction has a Rn register operand.
75 // UnaryDP - Indicates this is a unary data processing instruction, i.e.
76 // it doesn't have a Rn operand.
77 class UnaryDP { bit isUnaryDataProc = 1; }
79 // Xform16Bit - Indicates this Thumb2 instruction may be transformed into
80 // a 16-bit Thumb instruction if certain conditions are met.
81 class Xform16Bit { bit canXformTo16Bit = 1; }
83 //===----------------------------------------------------------------------===//
84 // ARM Instruction flags. These need to match ARMBaseInstrInfo.h.
88 class AddrMode<bits<5> val> {
91 def AddrModeNone : AddrMode<0>;
92 def AddrMode1 : AddrMode<1>;
93 def AddrMode2 : AddrMode<2>;
94 def AddrMode3 : AddrMode<3>;
95 def AddrMode4 : AddrMode<4>;
96 def AddrMode5 : AddrMode<5>;
97 def AddrMode6 : AddrMode<6>;
98 def AddrModeT1_1 : AddrMode<7>;
99 def AddrModeT1_2 : AddrMode<8>;
100 def AddrModeT1_4 : AddrMode<9>;
101 def AddrModeT1_s : AddrMode<10>;
102 def AddrModeT2_i12 : AddrMode<11>;
103 def AddrModeT2_i8 : AddrMode<12>;
104 def AddrModeT2_so : AddrMode<13>;
105 def AddrModeT2_pc : AddrMode<14>;
106 def AddrModeT2_i8s4 : AddrMode<15>;
107 def AddrMode_i12 : AddrMode<16>;
110 class SizeFlagVal<bits<3> val> {
113 def SizeInvalid : SizeFlagVal<0>; // Unset.
114 def SizeSpecial : SizeFlagVal<1>; // Pseudo or special.
115 def Size8Bytes : SizeFlagVal<2>;
116 def Size4Bytes : SizeFlagVal<3>;
117 def Size2Bytes : SizeFlagVal<4>;
119 // Load / store index mode.
120 class IndexMode<bits<2> val> {
123 def IndexModeNone : IndexMode<0>;
124 def IndexModePre : IndexMode<1>;
125 def IndexModePost : IndexMode<2>;
126 def IndexModeUpd : IndexMode<3>;
128 // Instruction execution domain.
129 class Domain<bits<2> val> {
132 def GenericDomain : Domain<0>;
133 def VFPDomain : Domain<1>; // Instructions in VFP domain only
134 def NeonDomain : Domain<2>; // Instructions in Neon domain only
135 def VFPNeonDomain : Domain<3>; // Instructions in both VFP & Neon domains
137 //===----------------------------------------------------------------------===//
139 // ARM special operands.
142 def CondCodeOperand : AsmOperandClass {
143 let Name = "CondCode";
144 let SuperClasses = [];
147 // ARM Predicate operand. Default to 14 = always (AL). Second part is CC
148 // register whose default is 0 (no register).
149 def pred : PredicateOperand<OtherVT, (ops i32imm, CCR),
150 (ops (i32 14), (i32 zero_reg))> {
151 let PrintMethod = "printPredicateOperand";
152 let ParserMatchClass = CondCodeOperand;
155 // Conditional code result for instructions whose 's' bit is set, e.g. subs.
156 def cc_out : OptionalDefOperand<OtherVT, (ops CCR), (ops (i32 zero_reg))> {
157 string EncoderMethod = "getCCOutOpValue";
158 let PrintMethod = "printSBitModifierOperand";
161 // Same as cc_out except it defaults to setting CPSR.
162 def s_cc_out : OptionalDefOperand<OtherVT, (ops CCR), (ops (i32 CPSR))> {
163 string EncoderMethod = "getCCOutOpValue";
164 let PrintMethod = "printSBitModifierOperand";
167 // ARM special operands for disassembly only.
169 def setend_op : Operand<i32> {
170 let PrintMethod = "printSetendOperand";
173 def cps_opt : Operand<i32> {
174 let PrintMethod = "printCPSOptionOperand";
177 def msr_mask : Operand<i32> {
178 let PrintMethod = "printMSRMaskOperand";
181 // A8.6.117, A8.6.118. Different instructions are generated for #0 and #-0.
182 // The neg_zero operand translates -0 to -1, -1 to -2, ..., etc.
183 def neg_zero : Operand<i32> {
184 let PrintMethod = "printNegZeroOperand";
187 //===----------------------------------------------------------------------===//
189 // ARM Instruction templates.
192 class InstTemplate<AddrMode am, SizeFlagVal sz, IndexMode im,
193 Format f, Domain d, string cstr, InstrItinClass itin>
195 let Namespace = "ARM";
200 bits<2> IndexModeBits = IM.Value;
202 bits<6> Form = F.Value;
204 bit isUnaryDataProc = 0;
205 bit canXformTo16Bit = 0;
207 // If this is a pseudo instruction, mark it isCodeGenOnly.
208 let isCodeGenOnly = !eq(!cast<string>(f), "Pseudo");
210 // The layout of TSFlags should be kept in sync with ARMBaseInstrInfo.h.
211 let TSFlags{4-0} = AM.Value;
212 let TSFlags{7-5} = SZ.Value;
213 let TSFlags{9-8} = IndexModeBits;
214 let TSFlags{15-10} = Form;
215 let TSFlags{16} = isUnaryDataProc;
216 let TSFlags{17} = canXformTo16Bit;
217 let TSFlags{19-18} = D.Value;
219 let Constraints = cstr;
220 let Itinerary = itin;
227 class InstARM<AddrMode am, SizeFlagVal sz, IndexMode im,
228 Format f, Domain d, string cstr, InstrItinClass itin>
229 : InstTemplate<am, sz, im, f, d, cstr, itin>, Encoding;
231 // This Encoding-less class is used by Thumb1 to specify the encoding bits later
232 // on by adding flavors to specific instructions.
233 class InstThumb<AddrMode am, SizeFlagVal sz, IndexMode im,
234 Format f, Domain d, string cstr, InstrItinClass itin>
235 : InstTemplate<am, sz, im, f, d, cstr, itin>;
237 class PseudoInst<dag oops, dag iops, InstrItinClass itin,
238 string asm, list<dag> pattern>
239 : InstARM<AddrModeNone, SizeSpecial, IndexModeNone, Pseudo, GenericDomain,
241 let OutOperandList = oops;
242 let InOperandList = iops;
244 let Pattern = pattern;
247 // Almost all ARM instructions are predicable.
248 class I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
249 IndexMode im, Format f, InstrItinClass itin,
250 string opc, string asm, string cstr,
252 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
255 let OutOperandList = oops;
256 let InOperandList = !con(iops, (ins pred:$p));
257 let AsmString = !strconcat(opc, "${p}", asm);
258 let Pattern = pattern;
259 list<Predicate> Predicates = [IsARM];
262 // A few are not predicable
263 class InoP<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
264 IndexMode im, Format f, InstrItinClass itin,
265 string opc, string asm, string cstr,
267 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
268 let OutOperandList = oops;
269 let InOperandList = iops;
270 let AsmString = !strconcat(opc, asm);
271 let Pattern = pattern;
272 let isPredicable = 0;
273 list<Predicate> Predicates = [IsARM];
276 // Same as I except it can optionally modify CPSR. Note it's modeled as an input
277 // operand since by default it's a zero register. It will become an implicit def
278 // once it's "flipped".
279 class sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
280 IndexMode im, Format f, InstrItinClass itin,
281 string opc, string asm, string cstr,
283 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
284 bits<4> p; // Predicate operand
285 bits<1> s; // condition-code set flag ('1' if the insn should set the flags)
289 let OutOperandList = oops;
290 let InOperandList = !con(iops, (ins pred:$p, cc_out:$s));
291 let AsmString = !strconcat(opc, "${s}${p}", asm);
292 let Pattern = pattern;
293 list<Predicate> Predicates = [IsARM];
297 class XI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
298 IndexMode im, Format f, InstrItinClass itin,
299 string asm, string cstr, list<dag> pattern>
300 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
301 let OutOperandList = oops;
302 let InOperandList = iops;
304 let Pattern = pattern;
305 list<Predicate> Predicates = [IsARM];
308 class AI<dag oops, dag iops, Format f, InstrItinClass itin,
309 string opc, string asm, list<dag> pattern>
310 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
311 opc, asm, "", pattern>;
312 class AsI<dag oops, dag iops, Format f, InstrItinClass itin,
313 string opc, string asm, list<dag> pattern>
314 : sI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
315 opc, asm, "", pattern>;
316 class AXI<dag oops, dag iops, Format f, InstrItinClass itin,
317 string asm, list<dag> pattern>
318 : XI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
320 class AInoP<dag oops, dag iops, Format f, InstrItinClass itin,
321 string opc, string asm, list<dag> pattern>
322 : InoP<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
323 opc, asm, "", pattern>;
325 // Ctrl flow instructions
326 class ABI<bits<4> opcod, dag oops, dag iops, InstrItinClass itin,
327 string opc, string asm, list<dag> pattern>
328 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, itin,
329 opc, asm, "", pattern> {
330 let Inst{27-24} = opcod;
332 class ABXI<bits<4> opcod, dag oops, dag iops, InstrItinClass itin,
333 string asm, list<dag> pattern>
334 : XI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, itin,
336 let Inst{27-24} = opcod;
338 class ABXIx2<dag oops, dag iops, InstrItinClass itin,
339 string asm, list<dag> pattern>
340 : XI<oops, iops, AddrModeNone, Size8Bytes, IndexModeNone, Pseudo, itin,
343 // BR_JT instructions
344 class JTI<dag oops, dag iops, InstrItinClass itin,
345 string asm, list<dag> pattern>
346 : XI<oops, iops, AddrModeNone, SizeSpecial, IndexModeNone, BrMiscFrm, itin,
349 // Atomic load/store instructions
350 class AIldrex<bits<2> opcod, dag oops, dag iops, InstrItinClass itin,
351 string opc, string asm, list<dag> pattern>
352 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, LdStExFrm, itin,
353 opc, asm, "", pattern> {
356 let Inst{27-23} = 0b00011;
357 let Inst{22-21} = opcod;
359 let Inst{19-16} = Rn;
360 let Inst{15-12} = Rt;
361 let Inst{11-0} = 0b111110011111;
363 class AIstrex<bits<2> opcod, dag oops, dag iops, InstrItinClass itin,
364 string opc, string asm, list<dag> pattern>
365 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, LdStExFrm, itin,
366 opc, asm, "", pattern> {
370 let Inst{27-23} = 0b00011;
371 let Inst{22-21} = opcod;
373 let Inst{19-16} = Rn;
374 let Inst{15-12} = Rd;
375 let Inst{11-4} = 0b11111001;
378 class AIswp<bit b, dag oops, dag iops, string opc, list<dag> pattern>
379 : AI<oops, iops, MiscFrm, NoItinerary, opc, "\t$Rt, $Rt2, [$Rn]", pattern> {
383 let Inst{27-23} = 0b00010;
385 let Inst{21-20} = 0b00;
386 let Inst{19-16} = Rn;
387 let Inst{15-12} = Rt;
388 let Inst{11-4} = 0b00001001;
392 // addrmode1 instructions
393 class AI1<bits<4> opcod, dag oops, dag iops, Format f, InstrItinClass itin,
394 string opc, string asm, list<dag> pattern>
395 : I<oops, iops, AddrMode1, Size4Bytes, IndexModeNone, f, itin,
396 opc, asm, "", pattern> {
397 let Inst{24-21} = opcod;
398 let Inst{27-26} = 0b00;
400 class AsI1<bits<4> opcod, dag oops, dag iops, Format f, InstrItinClass itin,
401 string opc, string asm, list<dag> pattern>
402 : sI<oops, iops, AddrMode1, Size4Bytes, IndexModeNone, f, itin,
403 opc, asm, "", pattern> {
404 let Inst{24-21} = opcod;
405 let Inst{27-26} = 0b00;
407 class AXI1<bits<4> opcod, dag oops, dag iops, Format f, InstrItinClass itin,
408 string asm, list<dag> pattern>
409 : XI<oops, iops, AddrMode1, Size4Bytes, IndexModeNone, f, itin,
411 let Inst{24-21} = opcod;
412 let Inst{27-26} = 0b00;
414 class AI1x2<dag oops, dag iops, Format f, InstrItinClass itin,
415 string opc, string asm, list<dag> pattern>
416 : I<oops, iops, AddrMode1, Size8Bytes, IndexModeNone, f, itin,
417 opc, asm, "", pattern>;
420 // addrmode2 loads and stores
421 class AI2<dag oops, dag iops, Format f, InstrItinClass itin,
422 string opc, string asm, list<dag> pattern>
423 : I<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
424 opc, asm, "", pattern> {
425 let Inst{27-26} = 0b01;
431 class AIldst1<bits<3> op, bit opc22, bit isLd, dag oops, dag iops, AddrMode am,
432 Format f, InstrItinClass itin, string opc, string asm,
434 : I<oops, iops, am, Size4Bytes, IndexModeNone, f, itin, opc, asm,
436 let Inst{27-25} = op;
437 let Inst{24} = 1; // 24 == P
439 let Inst{22} = opc22;
440 let Inst{21} = 0; // 21 == W
443 // LDRH/LDRSB/LDRSH/LDRD
444 class AIldr2<bits<4> op, bit opc22, bit opc20, dag oops, dag iops, AddrMode am,
445 Format f, InstrItinClass itin, string opc, string asm,
447 : I<oops, iops, am, Size4Bytes, IndexModeNone, f, itin, opc, asm,
449 let Inst{27-25} = 0b000;
450 let Inst{24} = 1; // 24 == P
452 let Inst{22} = opc22;
453 let Inst{21} = 0; // 21 == W
454 let Inst{20} = opc20;
462 class AI2ldw<dag oops, dag iops, Format f, InstrItinClass itin,
463 string opc, string asm, list<dag> pattern>
464 : I<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
465 opc, asm, "", pattern> {
466 let Inst{20} = 1; // L bit
467 let Inst{21} = 0; // W bit
468 let Inst{22} = 0; // B bit
469 let Inst{24} = 1; // P bit
470 let Inst{27-26} = 0b01;
472 class AXI2ldw<dag oops, dag iops, Format f, InstrItinClass itin,
473 string asm, list<dag> pattern>
474 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
476 let Inst{20} = 1; // L bit
477 let Inst{21} = 0; // W bit
478 let Inst{22} = 0; // B bit
479 let Inst{24} = 1; // P bit
480 let Inst{27-26} = 0b01;
482 class AI2ldb<dag oops, dag iops, Format f, InstrItinClass itin,
483 string opc, string asm, list<dag> pattern>
484 : I<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
485 opc, asm, "", pattern> {
486 let Inst{20} = 1; // L bit
487 let Inst{21} = 0; // W bit
488 let Inst{22} = 1; // B bit
489 let Inst{24} = 1; // P bit
490 let Inst{27-26} = 0b01;
492 class AXI2ldb<dag oops, dag iops, Format f, InstrItinClass itin,
493 string asm, list<dag> pattern>
494 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
496 let Inst{20} = 1; // L bit
497 let Inst{21} = 0; // W bit
498 let Inst{22} = 1; // B bit
499 let Inst{24} = 1; // P bit
500 let Inst{27-26} = 0b01;
504 class AI2stw<dag oops, dag iops, Format f, InstrItinClass itin,
505 string opc, string asm, list<dag> pattern>
506 : I<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
507 opc, asm, "", pattern> {
508 let Inst{20} = 0; // L bit
509 let Inst{21} = 0; // W bit
510 let Inst{22} = 0; // B bit
511 let Inst{24} = 1; // P bit
512 let Inst{27-26} = 0b01;
514 class AXI2stw<dag oops, dag iops, Format f, InstrItinClass itin,
515 string asm, list<dag> pattern>
516 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
518 let Inst{20} = 0; // L bit
519 let Inst{21} = 0; // W bit
520 let Inst{22} = 0; // B bit
521 let Inst{24} = 1; // P bit
522 let Inst{27-26} = 0b01;
524 class AI2stb<dag oops, dag iops, Format f, InstrItinClass itin,
525 string opc, string asm, list<dag> pattern>
526 : I<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
527 opc, asm, "", pattern> {
528 let Inst{20} = 0; // L bit
529 let Inst{21} = 0; // W bit
530 let Inst{22} = 1; // B bit
531 let Inst{24} = 1; // P bit
532 let Inst{27-26} = 0b01;
534 class AXI2stb<dag oops, dag iops, Format f, InstrItinClass itin,
535 string asm, list<dag> pattern>
536 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
538 let Inst{20} = 0; // L bit
539 let Inst{21} = 0; // W bit
540 let Inst{22} = 1; // B bit
541 let Inst{24} = 1; // P bit
542 let Inst{27-26} = 0b01;
546 class AI2ldwpr<dag oops, dag iops, Format f, InstrItinClass itin,
547 string opc, string asm, string cstr, list<dag> pattern>
548 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePre, f, itin,
549 opc, asm, cstr, pattern> {
550 let Inst{20} = 1; // L bit
551 let Inst{21} = 1; // W bit
552 let Inst{22} = 0; // B bit
553 let Inst{24} = 1; // P bit
554 let Inst{27-26} = 0b01;
556 class AI2ldbpr<dag oops, dag iops, Format f, InstrItinClass itin,
557 string opc, string asm, string cstr, list<dag> pattern>
558 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePre, f, itin,
559 opc, asm, cstr, pattern> {
560 let Inst{20} = 1; // L bit
561 let Inst{21} = 1; // W bit
562 let Inst{22} = 1; // B bit
563 let Inst{24} = 1; // P bit
564 let Inst{27-26} = 0b01;
567 // Pre-indexed stores
568 class AI2stwpr<dag oops, dag iops, Format f, InstrItinClass itin,
569 string opc, string asm, string cstr, list<dag> pattern>
570 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePre, f, itin,
571 opc, asm, cstr, pattern> {
572 let Inst{20} = 0; // L bit
573 let Inst{21} = 1; // W bit
574 let Inst{22} = 0; // B bit
575 let Inst{24} = 1; // P bit
576 let Inst{27-26} = 0b01;
578 class AI2stbpr<dag oops, dag iops, Format f, InstrItinClass itin,
579 string opc, string asm, string cstr, list<dag> pattern>
580 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePre, f, itin,
581 opc, asm, cstr, pattern> {
582 let Inst{20} = 0; // L bit
583 let Inst{21} = 1; // W bit
584 let Inst{22} = 1; // B bit
585 let Inst{24} = 1; // P bit
586 let Inst{27-26} = 0b01;
589 // Post-indexed loads
590 class AI2ldwpo<dag oops, dag iops, Format f, InstrItinClass itin,
591 string opc, string asm, string cstr, list<dag> pattern>
592 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePost, f, itin,
593 opc, asm, cstr,pattern> {
594 let Inst{20} = 1; // L bit
595 let Inst{21} = 0; // W bit
596 let Inst{22} = 0; // B bit
597 let Inst{24} = 0; // P bit
598 let Inst{27-26} = 0b01;
600 class AI2ldbpo<dag oops, dag iops, Format f, InstrItinClass itin,
601 string opc, string asm, string cstr, list<dag> pattern>
602 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePost, f, itin,
603 opc, asm, cstr,pattern> {
604 let Inst{20} = 1; // L bit
605 let Inst{21} = 0; // W bit
606 let Inst{22} = 1; // B bit
607 let Inst{24} = 0; // P bit
608 let Inst{27-26} = 0b01;
611 // Post-indexed stores
612 class AI2stwpo<dag oops, dag iops, Format f, InstrItinClass itin,
613 string opc, string asm, string cstr, list<dag> pattern>
614 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePost, f, itin,
615 opc, asm, cstr,pattern> {
616 let Inst{20} = 0; // L bit
617 let Inst{21} = 0; // W bit
618 let Inst{22} = 0; // B bit
619 let Inst{24} = 0; // P bit
620 let Inst{27-26} = 0b01;
622 class AI2stbpo<dag oops, dag iops, Format f, InstrItinClass itin,
623 string opc, string asm, string cstr, list<dag> pattern>
624 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePost, f, itin,
625 opc, asm, cstr,pattern> {
626 let Inst{20} = 0; // L bit
627 let Inst{21} = 0; // W bit
628 let Inst{22} = 1; // B bit
629 let Inst{24} = 0; // P bit
630 let Inst{27-26} = 0b01;
633 // addrmode3 instructions
634 class AI3<dag oops, dag iops, Format f, InstrItinClass itin,
635 string opc, string asm, list<dag> pattern>
636 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
637 opc, asm, "", pattern>;
638 class AXI3<dag oops, dag iops, Format f, InstrItinClass itin,
639 string asm, list<dag> pattern>
640 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
644 class AI3ldh<dag oops, dag iops, Format f, InstrItinClass itin,
645 string opc, string asm, list<dag> pattern>
646 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
647 opc, asm, "", pattern> {
649 let Inst{5} = 1; // H bit
650 let Inst{6} = 0; // S bit
652 let Inst{20} = 1; // L bit
653 let Inst{21} = 0; // W bit
654 let Inst{24} = 1; // P bit
655 let Inst{27-25} = 0b000;
657 class AXI3ldh<dag oops, dag iops, Format f, InstrItinClass itin,
658 string asm, list<dag> pattern>
659 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
662 let Inst{5} = 1; // H bit
663 let Inst{6} = 0; // S bit
665 let Inst{20} = 1; // L bit
666 let Inst{21} = 0; // W bit
667 let Inst{24} = 1; // P bit
669 class AI3ldsh<dag oops, dag iops, Format f, InstrItinClass itin,
670 string opc, string asm, list<dag> pattern>
671 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
672 opc, asm, "", pattern> {
674 let Inst{5} = 1; // H bit
675 let Inst{6} = 1; // S bit
677 let Inst{20} = 1; // L bit
678 let Inst{21} = 0; // W bit
679 let Inst{24} = 1; // P bit
680 let Inst{27-25} = 0b000;
682 class AXI3ldsh<dag oops, dag iops, Format f, InstrItinClass itin,
683 string asm, list<dag> pattern>
684 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
687 let Inst{5} = 1; // H bit
688 let Inst{6} = 1; // S bit
690 let Inst{20} = 1; // L bit
691 let Inst{21} = 0; // W bit
692 let Inst{24} = 1; // P bit
694 class AI3ldsb<dag oops, dag iops, Format f, InstrItinClass itin,
695 string opc, string asm, list<dag> pattern>
696 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
697 opc, asm, "", pattern> {
699 let Inst{5} = 0; // H bit
700 let Inst{6} = 1; // S bit
702 let Inst{20} = 1; // L bit
703 let Inst{21} = 0; // W bit
704 let Inst{24} = 1; // P bit
705 let Inst{27-25} = 0b000;
707 class AXI3ldsb<dag oops, dag iops, Format f, InstrItinClass itin,
708 string asm, list<dag> pattern>
709 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
712 let Inst{5} = 0; // H bit
713 let Inst{6} = 1; // S bit
715 let Inst{20} = 1; // L bit
716 let Inst{21} = 0; // W bit
717 let Inst{24} = 1; // P bit
719 class AI3ldd<dag oops, dag iops, Format f, InstrItinClass itin,
720 string opc, string asm, list<dag> pattern>
721 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
722 opc, asm, "", pattern> {
724 let Inst{5} = 0; // H bit
725 let Inst{6} = 1; // S bit
727 let Inst{20} = 0; // L bit
728 let Inst{21} = 0; // W bit
729 let Inst{24} = 1; // P bit
730 let Inst{27-25} = 0b000;
734 class AI3sth<dag oops, dag iops, Format f, InstrItinClass itin,
735 string opc, string asm, list<dag> pattern>
736 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
737 opc, asm, "", pattern> {
739 let Inst{5} = 1; // H bit
740 let Inst{6} = 0; // S bit
742 let Inst{20} = 0; // L bit
743 let Inst{21} = 0; // W bit
744 let Inst{24} = 1; // P bit
745 let Inst{27-25} = 0b000;
747 class AXI3sth<dag oops, dag iops, Format f, InstrItinClass itin,
748 string asm, list<dag> pattern>
749 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
752 let Inst{5} = 1; // H bit
753 let Inst{6} = 0; // S bit
755 let Inst{20} = 0; // L bit
756 let Inst{21} = 0; // W bit
757 let Inst{24} = 1; // P bit
759 class AI3std<dag oops, dag iops, Format f, InstrItinClass itin,
760 string opc, string asm, list<dag> pattern>
761 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
762 opc, asm, "", pattern> {
764 let Inst{5} = 1; // H bit
765 let Inst{6} = 1; // S bit
767 let Inst{20} = 0; // L bit
768 let Inst{21} = 0; // W bit
769 let Inst{24} = 1; // P bit
770 let Inst{27-25} = 0b000;
774 class AI3ldhpr<dag oops, dag iops, Format f, InstrItinClass itin,
775 string opc, string asm, string cstr, list<dag> pattern>
776 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
777 opc, asm, cstr, pattern> {
779 let Inst{5} = 1; // H bit
780 let Inst{6} = 0; // S bit
782 let Inst{20} = 1; // L bit
783 let Inst{21} = 1; // W bit
784 let Inst{24} = 1; // P bit
785 let Inst{27-25} = 0b000;
787 class AI3ldshpr<dag oops, dag iops, Format f, InstrItinClass itin,
788 string opc, string asm, string cstr, list<dag> pattern>
789 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
790 opc, asm, cstr, pattern> {
792 let Inst{5} = 1; // H bit
793 let Inst{6} = 1; // S bit
795 let Inst{20} = 1; // L bit
796 let Inst{21} = 1; // W bit
797 let Inst{24} = 1; // P bit
798 let Inst{27-25} = 0b000;
800 class AI3ldsbpr<dag oops, dag iops, Format f, InstrItinClass itin,
801 string opc, string asm, string cstr, list<dag> pattern>
802 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
803 opc, asm, cstr, pattern> {
805 let Inst{5} = 0; // H bit
806 let Inst{6} = 1; // S bit
808 let Inst{20} = 1; // L bit
809 let Inst{21} = 1; // W bit
810 let Inst{24} = 1; // P bit
811 let Inst{27-25} = 0b000;
813 class AI3lddpr<dag oops, dag iops, Format f, InstrItinClass itin,
814 string opc, string asm, string cstr, list<dag> pattern>
815 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
816 opc, asm, cstr, pattern> {
818 let Inst{5} = 0; // H bit
819 let Inst{6} = 1; // S bit
821 let Inst{20} = 0; // L bit
822 let Inst{21} = 1; // W bit
823 let Inst{24} = 1; // P bit
824 let Inst{27-25} = 0b000;
828 // Pre-indexed stores
829 class AI3sthpr<dag oops, dag iops, Format f, InstrItinClass itin,
830 string opc, string asm, string cstr, list<dag> pattern>
831 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
832 opc, asm, cstr, pattern> {
834 let Inst{5} = 1; // H bit
835 let Inst{6} = 0; // S bit
837 let Inst{20} = 0; // L bit
838 let Inst{21} = 1; // W bit
839 let Inst{24} = 1; // P bit
840 let Inst{27-25} = 0b000;
842 class AI3stdpr<dag oops, dag iops, Format f, InstrItinClass itin,
843 string opc, string asm, string cstr, list<dag> pattern>
844 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
845 opc, asm, cstr, pattern> {
847 let Inst{5} = 1; // H bit
848 let Inst{6} = 1; // S bit
850 let Inst{20} = 0; // L bit
851 let Inst{21} = 1; // W bit
852 let Inst{24} = 1; // P bit
853 let Inst{27-25} = 0b000;
856 // Post-indexed loads
857 class AI3ldhpo<dag oops, dag iops, Format f, InstrItinClass itin,
858 string opc, string asm, string cstr, list<dag> pattern>
859 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
860 opc, asm, cstr,pattern> {
862 let Inst{5} = 1; // H bit
863 let Inst{6} = 0; // S bit
865 let Inst{20} = 1; // L bit
866 let Inst{21} = 0; // W bit
867 let Inst{24} = 0; // P bit
868 let Inst{27-25} = 0b000;
870 class AI3ldshpo<dag oops, dag iops, Format f, InstrItinClass itin,
871 string opc, string asm, string cstr, list<dag> pattern>
872 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
873 opc, asm, cstr,pattern> {
875 let Inst{5} = 1; // H bit
876 let Inst{6} = 1; // S bit
878 let Inst{20} = 1; // L bit
879 let Inst{21} = 0; // W bit
880 let Inst{24} = 0; // P bit
881 let Inst{27-25} = 0b000;
883 class AI3ldsbpo<dag oops, dag iops, Format f, InstrItinClass itin,
884 string opc, string asm, string cstr, list<dag> pattern>
885 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
886 opc, asm, cstr,pattern> {
888 let Inst{5} = 0; // H bit
889 let Inst{6} = 1; // S bit
891 let Inst{20} = 1; // L bit
892 let Inst{21} = 0; // W bit
893 let Inst{24} = 0; // P bit
894 let Inst{27-25} = 0b000;
896 class AI3lddpo<dag oops, dag iops, Format f, InstrItinClass itin,
897 string opc, string asm, string cstr, list<dag> pattern>
898 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
899 opc, asm, cstr, pattern> {
901 let Inst{5} = 0; // H bit
902 let Inst{6} = 1; // S bit
904 let Inst{20} = 0; // L bit
905 let Inst{21} = 0; // W bit
906 let Inst{24} = 0; // P bit
907 let Inst{27-25} = 0b000;
910 // Post-indexed stores
911 class AI3sthpo<dag oops, dag iops, Format f, InstrItinClass itin,
912 string opc, string asm, string cstr, list<dag> pattern>
913 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
914 opc, asm, cstr,pattern> {
916 let Inst{5} = 1; // H bit
917 let Inst{6} = 0; // S bit
919 let Inst{20} = 0; // L bit
920 let Inst{21} = 0; // W bit
921 let Inst{24} = 0; // P bit
922 let Inst{27-25} = 0b000;
924 class AI3stdpo<dag oops, dag iops, Format f, InstrItinClass itin,
925 string opc, string asm, string cstr, list<dag> pattern>
926 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
927 opc, asm, cstr, pattern> {
929 let Inst{5} = 1; // H bit
930 let Inst{6} = 1; // S bit
932 let Inst{20} = 0; // L bit
933 let Inst{21} = 0; // W bit
934 let Inst{24} = 0; // P bit
935 let Inst{27-25} = 0b000;
938 // addrmode4 instructions
939 class AXI4ld<dag oops, dag iops, IndexMode im, Format f, InstrItinClass itin,
940 string asm, string cstr, list<dag> pattern>
941 : XI<oops, iops, AddrMode4, Size4Bytes, im, f, itin,
942 asm, cstr, pattern> {
944 let Inst{20} = 1; // L bit
945 let Inst{22} = 0; // S bit
946 let Inst{27-25} = 0b100;
947 let Inst{15-0} = dsts;
949 class AXI4st<dag oops, dag iops, IndexMode im, Format f, InstrItinClass itin,
950 string asm, string cstr, list<dag> pattern>
951 : XI<oops, iops, AddrMode4, Size4Bytes, im, f, itin,
952 asm, cstr, pattern> {
954 let Inst{20} = 0; // L bit
955 let Inst{22} = 0; // S bit
956 let Inst{27-25} = 0b100;
957 let Inst{15-0} = srcs;
960 // Unsigned multiply, multiply-accumulate instructions.
961 class AMul1I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
962 string opc, string asm, list<dag> pattern>
963 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
964 opc, asm, "", pattern> {
965 let Inst{7-4} = 0b1001;
966 let Inst{20} = 0; // S bit
967 let Inst{27-21} = opcod;
969 class AsMul1I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
970 string opc, string asm, list<dag> pattern>
971 : sI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
972 opc, asm, "", pattern> {
973 let Inst{7-4} = 0b1001;
974 let Inst{27-21} = opcod;
977 // Most significant word multiply
978 class AMul2I<bits<7> opcod, bits<4> opc7_4, dag oops, dag iops,
979 InstrItinClass itin, string opc, string asm, list<dag> pattern>
980 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
981 opc, asm, "", pattern> {
985 let Inst{7-4} = opc7_4;
987 let Inst{27-21} = opcod;
988 let Inst{19-16} = Rd;
992 // MSW multiple w/ Ra operand
993 class AMul2Ia<bits<7> opcod, bits<4> opc7_4, dag oops, dag iops,
994 InstrItinClass itin, string opc, string asm, list<dag> pattern>
995 : AMul2I<opcod, opc7_4, oops, iops, itin, opc, asm, pattern> {
997 let Inst{15-12} = Ra;
1000 // SMUL<x><y> / SMULW<y> / SMLA<x><y> / SMLAW<x><y>
1001 class AMulxyIbase<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
1002 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1003 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
1004 opc, asm, "", pattern> {
1010 let Inst{27-21} = opcod;
1011 let Inst{6-5} = bit6_5;
1012 let Inst{11-8} = Rm;
1015 class AMulxyI<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
1016 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1017 : AMulxyIbase<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
1019 let Inst{19-16} = Rd;
1022 // AMulxyI with Ra operand
1023 class AMulxyIa<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
1024 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1025 : AMulxyI<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
1027 let Inst{15-12} = Ra;
1030 class AMulxyI64<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
1031 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1032 : AMulxyIbase<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
1035 let Inst{19-16} = RdHi;
1036 let Inst{15-12} = RdLo;
1039 // Extend instructions.
1040 class AExtI<bits<8> opcod, dag oops, dag iops, InstrItinClass itin,
1041 string opc, string asm, list<dag> pattern>
1042 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ExtFrm, itin,
1043 opc, asm, "", pattern> {
1044 // All AExtI instructions have Rd and Rm register operands.
1047 let Inst{15-12} = Rd;
1049 let Inst{7-4} = 0b0111;
1050 let Inst{9-8} = 0b00;
1051 let Inst{27-20} = opcod;
1054 // Misc Arithmetic instructions.
1055 class AMiscA1I<bits<8> opcod, bits<4> opc7_4, dag oops, dag iops,
1056 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1057 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ArithMiscFrm, itin,
1058 opc, asm, "", pattern> {
1061 let Inst{27-20} = opcod;
1062 let Inst{19-16} = 0b1111;
1063 let Inst{15-12} = Rd;
1064 let Inst{11-8} = 0b1111;
1065 let Inst{7-4} = opc7_4;
1070 class APKHI<bits<8> opcod, bit tb, dag oops, dag iops, InstrItinClass itin,
1071 string opc, string asm, list<dag> pattern>
1072 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ArithMiscFrm, itin,
1073 opc, asm, "", pattern> {
1078 let Inst{27-20} = opcod;
1079 let Inst{19-16} = Rn;
1080 let Inst{15-12} = Rd;
1081 let Inst{11-7} = sh{7-3};
1083 let Inst{5-4} = 0b01;
1087 //===----------------------------------------------------------------------===//
1089 // ARMPat - Same as Pat<>, but requires that the compiler be in ARM mode.
1090 class ARMPat<dag pattern, dag result> : Pat<pattern, result> {
1091 list<Predicate> Predicates = [IsARM];
1093 class ARMV5TEPat<dag pattern, dag result> : Pat<pattern, result> {
1094 list<Predicate> Predicates = [IsARM, HasV5TE];
1096 class ARMV6Pat<dag pattern, dag result> : Pat<pattern, result> {
1097 list<Predicate> Predicates = [IsARM, HasV6];
1100 //===----------------------------------------------------------------------===//
1102 // Thumb Instruction Format Definitions.
1105 // TI - Thumb instruction.
1107 class ThumbI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1108 InstrItinClass itin, string asm, string cstr, list<dag> pattern>
1109 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1110 let OutOperandList = oops;
1111 let InOperandList = iops;
1112 let AsmString = asm;
1113 let Pattern = pattern;
1114 list<Predicate> Predicates = [IsThumb];
1117 class TI<dag oops, dag iops, InstrItinClass itin, string asm, list<dag> pattern>
1118 : ThumbI<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "", pattern>;
1120 // Two-address instructions
1121 class TIt<dag oops, dag iops, InstrItinClass itin, string asm,
1123 : ThumbI<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "$lhs = $dst",
1126 // tBL, tBX 32-bit instructions
1127 class TIx2<bits<5> opcod1, bits<2> opcod2, bit opcod3,
1128 dag oops, dag iops, InstrItinClass itin, string asm,
1130 : ThumbI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>,
1132 let Inst{31-27} = opcod1;
1133 let Inst{15-14} = opcod2;
1134 let Inst{12} = opcod3;
1137 // BR_JT instructions
1138 class TJTI<dag oops, dag iops, InstrItinClass itin, string asm,
1140 : ThumbI<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
1143 class Thumb1I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1144 InstrItinClass itin, string asm, string cstr, list<dag> pattern>
1145 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1146 let OutOperandList = oops;
1147 let InOperandList = iops;
1148 let AsmString = asm;
1149 let Pattern = pattern;
1150 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1153 class T1I<dag oops, dag iops, InstrItinClass itin,
1154 string asm, list<dag> pattern>
1155 : Thumb1I<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "", pattern>;
1156 class T1Ix2<dag oops, dag iops, InstrItinClass itin,
1157 string asm, list<dag> pattern>
1158 : Thumb1I<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>;
1159 class T1JTI<dag oops, dag iops, InstrItinClass itin,
1160 string asm, list<dag> pattern>
1161 : Thumb1I<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
1163 // Two-address instructions
1164 class T1It<dag oops, dag iops, InstrItinClass itin,
1165 string asm, string cstr, list<dag> pattern>
1166 : Thumb1I<oops, iops, AddrModeNone, Size2Bytes, itin,
1167 asm, cstr, pattern>;
1169 // Thumb1 instruction that can either be predicated or set CPSR.
1170 class Thumb1sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1171 InstrItinClass itin,
1172 string opc, string asm, string cstr, list<dag> pattern>
1173 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1174 let OutOperandList = !con(oops, (outs s_cc_out:$s));
1175 let InOperandList = !con(iops, (ins pred:$p));
1176 let AsmString = !strconcat(opc, "${s}${p}", asm);
1177 let Pattern = pattern;
1178 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1181 class T1sI<dag oops, dag iops, InstrItinClass itin,
1182 string opc, string asm, list<dag> pattern>
1183 : Thumb1sI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm, "", pattern>;
1185 // Two-address instructions
1186 class T1sIt<dag oops, dag iops, InstrItinClass itin,
1187 string opc, string asm, list<dag> pattern>
1188 : Thumb1sI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm,
1189 "$lhs = $dst", pattern>;
1191 // Thumb1 instruction that can be predicated.
1192 class Thumb1pI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1193 InstrItinClass itin,
1194 string opc, string asm, string cstr, list<dag> pattern>
1195 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1196 let OutOperandList = oops;
1197 let InOperandList = !con(iops, (ins pred:$p));
1198 let AsmString = !strconcat(opc, "${p}", asm);
1199 let Pattern = pattern;
1200 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1203 class T1pI<dag oops, dag iops, InstrItinClass itin,
1204 string opc, string asm, list<dag> pattern>
1205 : Thumb1pI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm, "", pattern>;
1207 // Two-address instructions
1208 class T1pIt<dag oops, dag iops, InstrItinClass itin,
1209 string opc, string asm, list<dag> pattern>
1210 : Thumb1pI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm,
1211 "$lhs = $dst", pattern>;
1213 class T1pI1<dag oops, dag iops, InstrItinClass itin,
1214 string opc, string asm, list<dag> pattern>
1215 : Thumb1pI<oops, iops, AddrModeT1_1, Size2Bytes, itin, opc, asm, "", pattern>;
1216 class T1pI2<dag oops, dag iops, InstrItinClass itin,
1217 string opc, string asm, list<dag> pattern>
1218 : Thumb1pI<oops, iops, AddrModeT1_2, Size2Bytes, itin, opc, asm, "", pattern>;
1219 class T1pI4<dag oops, dag iops, InstrItinClass itin,
1220 string opc, string asm, list<dag> pattern>
1221 : Thumb1pI<oops, iops, AddrModeT1_4, Size2Bytes, itin, opc, asm, "", pattern>;
1222 class T1pIs<dag oops, dag iops,
1223 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1224 : Thumb1pI<oops, iops, AddrModeT1_s, Size2Bytes, itin, opc, asm, "", pattern>;
1226 class Encoding16 : Encoding {
1227 let Inst{31-16} = 0x0000;
1230 // A6.2 16-bit Thumb instruction encoding
1231 class T1Encoding<bits<6> opcode> : Encoding16 {
1232 let Inst{15-10} = opcode;
1235 // A6.2.1 Shift (immediate), add, subtract, move, and compare encoding.
1236 class T1General<bits<5> opcode> : Encoding16 {
1237 let Inst{15-14} = 0b00;
1238 let Inst{13-9} = opcode;
1241 // A6.2.2 Data-processing encoding.
1242 class T1DataProcessing<bits<4> opcode> : Encoding16 {
1243 let Inst{15-10} = 0b010000;
1244 let Inst{9-6} = opcode;
1247 // A6.2.3 Special data instructions and branch and exchange encoding.
1248 class T1Special<bits<4> opcode> : Encoding16 {
1249 let Inst{15-10} = 0b010001;
1250 let Inst{9-6} = opcode;
1253 // A6.2.4 Load/store single data item encoding.
1254 class T1LoadStore<bits<4> opA, bits<3> opB> : Encoding16 {
1255 let Inst{15-12} = opA;
1256 let Inst{11-9} = opB;
1258 class T1LdSt<bits<3> opB> : T1LoadStore<0b0101, opB>;
1259 class T1LdSt4Imm<bits<3> opB> : T1LoadStore<0b0110, opB>; // Immediate, 4 bytes
1260 class T1LdSt1Imm<bits<3> opB> : T1LoadStore<0b0111, opB>; // Immediate, 1 byte
1261 class T1LdSt2Imm<bits<3> opB> : T1LoadStore<0b1000, opB>; // Immediate, 2 bytes
1262 class T1LdStSP<bits<3> opB> : T1LoadStore<0b1001, opB>; // SP relative
1264 // A6.2.5 Miscellaneous 16-bit instructions encoding.
1265 class T1Misc<bits<7> opcode> : Encoding16 {
1266 let Inst{15-12} = 0b1011;
1267 let Inst{11-5} = opcode;
1270 // Thumb2I - Thumb2 instruction. Almost all Thumb2 instructions are predicable.
1271 class Thumb2I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1272 InstrItinClass itin,
1273 string opc, string asm, string cstr, list<dag> pattern>
1274 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1275 let OutOperandList = oops;
1276 let InOperandList = !con(iops, (ins pred:$p));
1277 let AsmString = !strconcat(opc, "${p}", asm);
1278 let Pattern = pattern;
1279 list<Predicate> Predicates = [IsThumb2];
1282 // Same as Thumb2I except it can optionally modify CPSR. Note it's modeled as an
1283 // input operand since by default it's a zero register. It will become an
1284 // implicit def once it's "flipped".
1286 // FIXME: This uses unified syntax so {s} comes before {p}. We should make it
1288 class Thumb2sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1289 InstrItinClass itin,
1290 string opc, string asm, string cstr, list<dag> pattern>
1291 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1292 let OutOperandList = oops;
1293 let InOperandList = !con(iops, (ins pred:$p, cc_out:$s));
1294 let AsmString = !strconcat(opc, "${s}${p}", asm);
1295 let Pattern = pattern;
1296 list<Predicate> Predicates = [IsThumb2];
1300 class Thumb2XI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1301 InstrItinClass itin,
1302 string asm, string cstr, list<dag> pattern>
1303 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1304 let OutOperandList = oops;
1305 let InOperandList = iops;
1306 let AsmString = asm;
1307 let Pattern = pattern;
1308 list<Predicate> Predicates = [IsThumb2];
1311 class ThumbXI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1312 InstrItinClass itin,
1313 string asm, string cstr, list<dag> pattern>
1314 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1315 let OutOperandList = oops;
1316 let InOperandList = iops;
1317 let AsmString = asm;
1318 let Pattern = pattern;
1319 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1322 class T2I<dag oops, dag iops, InstrItinClass itin,
1323 string opc, string asm, list<dag> pattern>
1324 : Thumb2I<oops, iops, AddrModeNone, Size4Bytes, itin, opc, asm, "", pattern>;
1325 class T2Ii12<dag oops, dag iops, InstrItinClass itin,
1326 string opc, string asm, list<dag> pattern>
1327 : Thumb2I<oops, iops, AddrModeT2_i12, Size4Bytes, itin, opc, asm, "",pattern>;
1328 class T2Ii8<dag oops, dag iops, InstrItinClass itin,
1329 string opc, string asm, list<dag> pattern>
1330 : Thumb2I<oops, iops, AddrModeT2_i8, Size4Bytes, itin, opc, asm, "", pattern>;
1331 class T2Iso<dag oops, dag iops, InstrItinClass itin,
1332 string opc, string asm, list<dag> pattern>
1333 : Thumb2I<oops, iops, AddrModeT2_so, Size4Bytes, itin, opc, asm, "", pattern>;
1334 class T2Ipc<dag oops, dag iops, InstrItinClass itin,
1335 string opc, string asm, list<dag> pattern>
1336 : Thumb2I<oops, iops, AddrModeT2_pc, Size4Bytes, itin, opc, asm, "", pattern>;
1337 class T2Ii8s4<bit P, bit W, bit load, dag oops, dag iops, InstrItinClass itin,
1338 string opc, string asm, list<dag> pattern>
1339 : Thumb2I<oops, iops, AddrModeT2_i8s4, Size4Bytes, itin, opc, asm, "",
1341 let Inst{31-27} = 0b11101;
1342 let Inst{26-25} = 0b00;
1344 let Inst{23} = ?; // The U bit.
1347 let Inst{20} = load;
1350 class T2sI<dag oops, dag iops, InstrItinClass itin,
1351 string opc, string asm, list<dag> pattern>
1352 : Thumb2sI<oops, iops, AddrModeNone, Size4Bytes, itin, opc, asm, "", pattern>;
1354 class T2XI<dag oops, dag iops, InstrItinClass itin,
1355 string asm, list<dag> pattern>
1356 : Thumb2XI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>;
1357 class T2JTI<dag oops, dag iops, InstrItinClass itin,
1358 string asm, list<dag> pattern>
1359 : Thumb2XI<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
1361 class T2Ix2<dag oops, dag iops, InstrItinClass itin,
1362 string opc, string asm, list<dag> pattern>
1363 : Thumb2I<oops, iops, AddrModeNone, Size8Bytes, itin, opc, asm, "", pattern>;
1365 // Two-address instructions
1366 class T2XIt<dag oops, dag iops, InstrItinClass itin,
1367 string asm, string cstr, list<dag> pattern>
1368 : Thumb2XI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, cstr, pattern>;
1370 // T2Iidxldst - Thumb2 indexed load / store instructions.
1371 class T2Iidxldst<bit signed, bits<2> opcod, bit load, bit pre,
1373 AddrMode am, IndexMode im, InstrItinClass itin,
1374 string opc, string asm, string cstr, list<dag> pattern>
1375 : InstARM<am, Size4Bytes, im, ThumbFrm, GenericDomain, cstr, itin> {
1376 let OutOperandList = oops;
1377 let InOperandList = !con(iops, (ins pred:$p));
1378 let AsmString = !strconcat(opc, "${p}", asm);
1379 let Pattern = pattern;
1380 list<Predicate> Predicates = [IsThumb2];
1381 let Inst{31-27} = 0b11111;
1382 let Inst{26-25} = 0b00;
1383 let Inst{24} = signed;
1385 let Inst{22-21} = opcod;
1386 let Inst{20} = load;
1388 // (P, W) = (1, 1) Pre-indexed or (0, 1) Post-indexed
1389 let Inst{10} = pre; // The P bit.
1390 let Inst{8} = 1; // The W bit.
1393 // Helper class for disassembly only
1394 // A6.3.16 & A6.3.17
1395 // T2Imac - Thumb2 multiply [accumulate, and absolute difference] instructions.
1396 class T2I_mac<bit long, bits<3> op22_20, bits<4> op7_4, dag oops, dag iops,
1397 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1398 : T2I<oops, iops, itin, opc, asm, pattern> {
1399 let Inst{31-27} = 0b11111;
1400 let Inst{26-24} = 0b011;
1401 let Inst{23} = long;
1402 let Inst{22-20} = op22_20;
1403 let Inst{7-4} = op7_4;
1406 // Tv5Pat - Same as Pat<>, but requires V5T Thumb mode.
1407 class Tv5Pat<dag pattern, dag result> : Pat<pattern, result> {
1408 list<Predicate> Predicates = [IsThumb, IsThumb1Only, HasV5T];
1411 // T1Pat - Same as Pat<>, but requires that the compiler be in Thumb1 mode.
1412 class T1Pat<dag pattern, dag result> : Pat<pattern, result> {
1413 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1416 // T2Pat - Same as Pat<>, but requires that the compiler be in Thumb2 mode.
1417 class T2Pat<dag pattern, dag result> : Pat<pattern, result> {
1418 list<Predicate> Predicates = [IsThumb2];
1421 //===----------------------------------------------------------------------===//
1423 //===----------------------------------------------------------------------===//
1424 // ARM VFP Instruction templates.
1427 // Almost all VFP instructions are predicable.
1428 class VFPI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1429 IndexMode im, Format f, InstrItinClass itin,
1430 string opc, string asm, string cstr, list<dag> pattern>
1431 : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
1433 let Inst{31-28} = p;
1434 let OutOperandList = oops;
1435 let InOperandList = !con(iops, (ins pred:$p));
1436 let AsmString = !strconcat(opc, "${p}", asm);
1437 let Pattern = pattern;
1438 list<Predicate> Predicates = [HasVFP2];
1442 class VFPXI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1443 IndexMode im, Format f, InstrItinClass itin,
1444 string asm, string cstr, list<dag> pattern>
1445 : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
1446 let OutOperandList = oops;
1447 let InOperandList = iops;
1448 let AsmString = asm;
1449 let Pattern = pattern;
1450 list<Predicate> Predicates = [HasVFP2];
1453 class VFPAI<dag oops, dag iops, Format f, InstrItinClass itin,
1454 string opc, string asm, list<dag> pattern>
1455 : VFPI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
1456 opc, asm, "", pattern>;
1458 // ARM VFP addrmode5 loads and stores
1459 class ADI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
1460 InstrItinClass itin,
1461 string opc, string asm, list<dag> pattern>
1462 : VFPI<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
1463 VFPLdStFrm, itin, opc, asm, "", pattern> {
1464 // TODO: Mark the instructions with the appropriate subtarget info.
1465 let Inst{27-24} = opcod1;
1466 let Inst{21-20} = opcod2;
1467 let Inst{11-9} = 0b101;
1468 let Inst{8} = 1; // Double precision
1470 // 64-bit loads & stores operate on both NEON and VFP pipelines.
1471 let D = VFPNeonDomain;
1474 class ASI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
1475 InstrItinClass itin,
1476 string opc, string asm, list<dag> pattern>
1477 : VFPI<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
1478 VFPLdStFrm, itin, opc, asm, "", pattern> {
1479 // TODO: Mark the instructions with the appropriate subtarget info.
1480 let Inst{27-24} = opcod1;
1481 let Inst{21-20} = opcod2;
1482 let Inst{11-9} = 0b101;
1483 let Inst{8} = 0; // Single precision
1486 // VFP Load / store multiple pseudo instructions.
1487 class PseudoVFPLdStM<dag oops, dag iops, InstrItinClass itin, string cstr,
1489 : InstARM<AddrMode4, Size4Bytes, IndexModeNone, Pseudo, VFPNeonDomain,
1491 let OutOperandList = oops;
1492 let InOperandList = !con(iops, (ins pred:$p));
1493 let Pattern = pattern;
1494 list<Predicate> Predicates = [HasVFP2];
1497 // Load / store multiple
1498 class AXDI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
1499 string asm, string cstr, list<dag> pattern>
1500 : VFPXI<oops, iops, AddrMode4, Size4Bytes, im,
1501 VFPLdStMulFrm, itin, asm, cstr, pattern> {
1502 // TODO: Mark the instructions with the appropriate subtarget info.
1503 let Inst{27-25} = 0b110;
1504 let Inst{11-9} = 0b101;
1505 let Inst{8} = 1; // Double precision
1507 // 64-bit loads & stores operate on both NEON and VFP pipelines.
1508 let D = VFPNeonDomain;
1511 class AXSI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
1512 string asm, string cstr, list<dag> pattern>
1513 : VFPXI<oops, iops, AddrMode4, Size4Bytes, im,
1514 VFPLdStMulFrm, itin, asm, cstr, pattern> {
1515 // TODO: Mark the instructions with the appropriate subtarget info.
1516 let Inst{27-25} = 0b110;
1517 let Inst{11-9} = 0b101;
1518 let Inst{8} = 0; // Single precision
1521 // Double precision, unary
1522 class ADuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1523 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1524 string asm, list<dag> pattern>
1525 : VFPAI<oops, iops, VFPUnaryFrm, itin, opc, asm, pattern> {
1526 // Instruction operands.
1530 // Encode instruction operands.
1531 let Inst{3-0} = Dm{3-0};
1532 let Inst{5} = Dm{4};
1533 let Inst{15-12} = Dd{3-0};
1534 let Inst{22} = Dd{4};
1536 let Inst{27-23} = opcod1;
1537 let Inst{21-20} = opcod2;
1538 let Inst{19-16} = opcod3;
1539 let Inst{11-9} = 0b101;
1540 let Inst{8} = 1; // Double precision
1541 let Inst{7-6} = opcod4;
1542 let Inst{4} = opcod5;
1545 // Double precision, binary
1546 class ADbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1547 dag iops, InstrItinClass itin, string opc, string asm,
1549 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1550 // Instruction operands.
1555 // Encode instruction operands.
1556 let Inst{3-0} = Dm{3-0};
1557 let Inst{5} = Dm{4};
1558 let Inst{19-16} = Dn{3-0};
1559 let Inst{7} = Dn{4};
1560 let Inst{15-12} = Dd{3-0};
1561 let Inst{22} = Dd{4};
1563 let Inst{27-23} = opcod1;
1564 let Inst{21-20} = opcod2;
1565 let Inst{11-9} = 0b101;
1566 let Inst{8} = 1; // Double precision
1571 // Double precision, binary, VML[AS] (for additional predicate)
1572 class ADbI_vmlX<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1573 dag iops, InstrItinClass itin, string opc, string asm,
1575 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1576 // Instruction operands.
1581 // Encode instruction operands.
1582 let Inst{19-16} = Dn{3-0};
1583 let Inst{7} = Dn{4};
1584 let Inst{15-12} = Dd{3-0};
1585 let Inst{22} = Dd{4};
1586 let Inst{3-0} = Dm{3-0};
1587 let Inst{5} = Dm{4};
1589 let Inst{27-23} = opcod1;
1590 let Inst{21-20} = opcod2;
1591 let Inst{11-9} = 0b101;
1592 let Inst{8} = 1; // Double precision
1595 list<Predicate> Predicates = [HasVFP2, UseVMLx];
1598 // Single precision, unary
1599 class ASuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1600 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1601 string asm, list<dag> pattern>
1602 : VFPAI<oops, iops, VFPUnaryFrm, itin, opc, asm, pattern> {
1603 // Instruction operands.
1607 // Encode instruction operands.
1608 let Inst{3-0} = Sm{4-1};
1609 let Inst{5} = Sm{0};
1610 let Inst{15-12} = Sd{4-1};
1611 let Inst{22} = Sd{0};
1613 let Inst{27-23} = opcod1;
1614 let Inst{21-20} = opcod2;
1615 let Inst{19-16} = opcod3;
1616 let Inst{11-9} = 0b101;
1617 let Inst{8} = 0; // Single precision
1618 let Inst{7-6} = opcod4;
1619 let Inst{4} = opcod5;
1622 // Single precision unary, if no NEON
1623 // Same as ASuI except not available if NEON is enabled
1624 class ASuIn<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1625 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1626 string asm, list<dag> pattern>
1627 : ASuI<opcod1, opcod2, opcod3, opcod4, opcod5, oops, iops, itin, opc, asm,
1629 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1632 // Single precision, binary
1633 class ASbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops, dag iops,
1634 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1635 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1636 // Instruction operands.
1641 // Encode instruction operands.
1642 let Inst{3-0} = Sm{4-1};
1643 let Inst{5} = Sm{0};
1644 let Inst{19-16} = Sn{4-1};
1645 let Inst{7} = Sn{0};
1646 let Inst{15-12} = Sd{4-1};
1647 let Inst{22} = Sd{0};
1649 let Inst{27-23} = opcod1;
1650 let Inst{21-20} = opcod2;
1651 let Inst{11-9} = 0b101;
1652 let Inst{8} = 0; // Single precision
1657 // Single precision binary, if no NEON
1658 // Same as ASbI except not available if NEON is enabled
1659 class ASbIn<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1660 dag iops, InstrItinClass itin, string opc, string asm,
1662 : ASbI<opcod1, opcod2, op6, op4, oops, iops, itin, opc, asm, pattern> {
1663 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1665 // Instruction operands.
1670 // Encode instruction operands.
1671 let Inst{3-0} = Sm{4-1};
1672 let Inst{5} = Sm{0};
1673 let Inst{19-16} = Sn{4-1};
1674 let Inst{7} = Sn{0};
1675 let Inst{15-12} = Sd{4-1};
1676 let Inst{22} = Sd{0};
1679 // VFP conversion instructions
1680 class AVConv1I<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<4> opcod4,
1681 dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1683 : VFPAI<oops, iops, VFPConv1Frm, itin, opc, asm, pattern> {
1684 let Inst{27-23} = opcod1;
1685 let Inst{21-20} = opcod2;
1686 let Inst{19-16} = opcod3;
1687 let Inst{11-8} = opcod4;
1692 // VFP conversion between floating-point and fixed-point
1693 class AVConv1XI<bits<5> op1, bits<2> op2, bits<4> op3, bits<4> op4, bit op5,
1694 dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1696 : AVConv1I<op1, op2, op3, op4, oops, iops, itin, opc, asm, pattern> {
1697 // size (fixed-point number): sx == 0 ? 16 : 32
1698 let Inst{7} = op5; // sx
1701 // VFP conversion instructions, if no NEON
1702 class AVConv1In<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<4> opcod4,
1703 dag oops, dag iops, InstrItinClass itin,
1704 string opc, string asm, list<dag> pattern>
1705 : AVConv1I<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm,
1707 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1710 class AVConvXI<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops, Format f,
1711 InstrItinClass itin,
1712 string opc, string asm, list<dag> pattern>
1713 : VFPAI<oops, iops, f, itin, opc, asm, pattern> {
1714 let Inst{27-20} = opcod1;
1715 let Inst{11-8} = opcod2;
1719 class AVConv2I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1720 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1721 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv2Frm, itin, opc, asm, pattern>;
1723 class AVConv3I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1724 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1725 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv3Frm, itin, opc, asm, pattern>;
1727 class AVConv4I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1728 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1729 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv4Frm, itin, opc, asm, pattern>;
1731 class AVConv5I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1732 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1733 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv5Frm, itin, opc, asm, pattern>;
1735 //===----------------------------------------------------------------------===//
1737 //===----------------------------------------------------------------------===//
1738 // ARM NEON Instruction templates.
1741 class NeonI<dag oops, dag iops, AddrMode am, IndexMode im, Format f,
1742 InstrItinClass itin, string opc, string dt, string asm, string cstr,
1744 : InstARM<am, Size4Bytes, im, f, NeonDomain, cstr, itin> {
1745 let OutOperandList = oops;
1746 let InOperandList = !con(iops, (ins pred:$p));
1747 let AsmString = !strconcat(opc, "${p}", ".", dt, "\t", asm);
1748 let Pattern = pattern;
1749 list<Predicate> Predicates = [HasNEON];
1752 // Same as NeonI except it does not have a "data type" specifier.
1753 class NeonXI<dag oops, dag iops, AddrMode am, IndexMode im, Format f,
1754 InstrItinClass itin, string opc, string asm, string cstr,
1756 : InstARM<am, Size4Bytes, im, f, NeonDomain, cstr, itin> {
1757 let OutOperandList = oops;
1758 let InOperandList = !con(iops, (ins pred:$p));
1759 let AsmString = !strconcat(opc, "${p}", "\t", asm);
1760 let Pattern = pattern;
1761 list<Predicate> Predicates = [HasNEON];
1764 class NLdSt<bit op23, bits<2> op21_20, bits<4> op11_8, bits<4> op7_4,
1765 dag oops, dag iops, InstrItinClass itin,
1766 string opc, string dt, string asm, string cstr, list<dag> pattern>
1767 : NeonI<oops, iops, AddrMode6, IndexModeNone, NLdStFrm, itin, opc, dt, asm,
1769 let Inst{31-24} = 0b11110100;
1770 let Inst{23} = op23;
1771 let Inst{21-20} = op21_20;
1772 let Inst{11-8} = op11_8;
1773 let Inst{7-4} = op7_4;
1779 let Inst{22} = Vd{4};
1780 let Inst{15-12} = Vd{3-0};
1781 let Inst{19-16} = Rn{3-0};
1782 let Inst{3-0} = Rm{3-0};
1785 class NLdStLn<bit op23, bits<2> op21_20, bits<4> op11_8, bits<4> op7_4,
1786 dag oops, dag iops, InstrItinClass itin,
1787 string opc, string dt, string asm, string cstr, list<dag> pattern>
1788 : NLdSt<op23, op21_20, op11_8, op7_4, oops, iops, itin, opc,
1789 dt, asm, cstr, pattern> {
1793 class PseudoNLdSt<dag oops, dag iops, InstrItinClass itin, string cstr>
1794 : InstARM<AddrMode6, Size4Bytes, IndexModeNone, Pseudo, NeonDomain, cstr,
1796 let OutOperandList = oops;
1797 let InOperandList = !con(iops, (ins pred:$p));
1798 list<Predicate> Predicates = [HasNEON];
1801 class PseudoNeonI<dag oops, dag iops, InstrItinClass itin, string cstr,
1803 : InstARM<AddrModeNone, Size4Bytes, IndexModeNone, Pseudo, NeonDomain, cstr,
1805 let OutOperandList = oops;
1806 let InOperandList = !con(iops, (ins pred:$p));
1807 let Pattern = pattern;
1808 list<Predicate> Predicates = [HasNEON];
1811 class NDataI<dag oops, dag iops, Format f, InstrItinClass itin,
1812 string opc, string dt, string asm, string cstr, list<dag> pattern>
1813 : NeonI<oops, iops, AddrModeNone, IndexModeNone, f, itin, opc, dt, asm, cstr,
1815 let Inst{31-25} = 0b1111001;
1818 class NDataXI<dag oops, dag iops, Format f, InstrItinClass itin,
1819 string opc, string asm, string cstr, list<dag> pattern>
1820 : NeonXI<oops, iops, AddrModeNone, IndexModeNone, f, itin, opc, asm,
1822 let Inst{31-25} = 0b1111001;
1825 // NEON "one register and a modified immediate" format.
1826 class N1ModImm<bit op23, bits<3> op21_19, bits<4> op11_8, bit op7, bit op6,
1828 dag oops, dag iops, InstrItinClass itin,
1829 string opc, string dt, string asm, string cstr,
1831 : NDataI<oops, iops, N1RegModImmFrm, itin, opc, dt, asm, cstr, pattern> {
1832 let Inst{23} = op23;
1833 let Inst{21-19} = op21_19;
1834 let Inst{11-8} = op11_8;
1840 // Instruction operands.
1844 let Inst{15-12} = Vd{3-0};
1845 let Inst{22} = Vd{4};
1846 let Inst{24} = SIMM{7};
1847 let Inst{18-16} = SIMM{6-4};
1848 let Inst{3-0} = SIMM{3-0};
1851 // NEON 2 vector register format.
1852 class N2V<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18, bits<2> op17_16,
1853 bits<5> op11_7, bit op6, bit op4,
1854 dag oops, dag iops, InstrItinClass itin,
1855 string opc, string dt, string asm, string cstr, list<dag> pattern>
1856 : NDataI<oops, iops, N2RegFrm, itin, opc, dt, asm, cstr, pattern> {
1857 let Inst{24-23} = op24_23;
1858 let Inst{21-20} = op21_20;
1859 let Inst{19-18} = op19_18;
1860 let Inst{17-16} = op17_16;
1861 let Inst{11-7} = op11_7;
1865 // Instruction operands.
1869 let Inst{15-12} = Vd{3-0};
1870 let Inst{22} = Vd{4};
1871 let Inst{3-0} = Vm{3-0};
1872 let Inst{5} = Vm{4};
1875 // Same as N2V except it doesn't have a datatype suffix.
1876 class N2VX<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18, bits<2> op17_16,
1877 bits<5> op11_7, bit op6, bit op4,
1878 dag oops, dag iops, InstrItinClass itin,
1879 string opc, string asm, string cstr, list<dag> pattern>
1880 : NDataXI<oops, iops, N2RegFrm, itin, opc, asm, cstr, pattern> {
1881 let Inst{24-23} = op24_23;
1882 let Inst{21-20} = op21_20;
1883 let Inst{19-18} = op19_18;
1884 let Inst{17-16} = op17_16;
1885 let Inst{11-7} = op11_7;
1889 // Instruction operands.
1893 let Inst{15-12} = Vd{3-0};
1894 let Inst{22} = Vd{4};
1895 let Inst{3-0} = Vm{3-0};
1896 let Inst{5} = Vm{4};
1899 // NEON 2 vector register with immediate.
1900 class N2VImm<bit op24, bit op23, bits<4> op11_8, bit op7, bit op6, bit op4,
1901 dag oops, dag iops, Format f, InstrItinClass itin,
1902 string opc, string dt, string asm, string cstr, list<dag> pattern>
1903 : NDataI<oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1904 let Inst{24} = op24;
1905 let Inst{23} = op23;
1906 let Inst{11-8} = op11_8;
1911 // Instruction operands.
1916 let Inst{15-12} = Vd{3-0};
1917 let Inst{22} = Vd{4};
1918 let Inst{3-0} = Vm{3-0};
1919 let Inst{5} = Vm{4};
1920 let Inst{21-16} = SIMM{5-0};
1923 // NEON 3 vector register format.
1924 class N3V<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6, bit op4,
1925 dag oops, dag iops, Format f, InstrItinClass itin,
1926 string opc, string dt, string asm, string cstr, list<dag> pattern>
1927 : NDataI<oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1928 let Inst{24} = op24;
1929 let Inst{23} = op23;
1930 let Inst{21-20} = op21_20;
1931 let Inst{11-8} = op11_8;
1935 // Instruction operands.
1940 let Inst{15-12} = Vd{3-0};
1941 let Inst{22} = Vd{4};
1942 let Inst{19-16} = Vn{3-0};
1943 let Inst{7} = Vn{4};
1944 let Inst{3-0} = Vm{3-0};
1945 let Inst{5} = Vm{4};
1948 // Same as N3V except it doesn't have a data type suffix.
1949 class N3VX<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6,
1951 dag oops, dag iops, Format f, InstrItinClass itin,
1952 string opc, string asm, string cstr, list<dag> pattern>
1953 : NDataXI<oops, iops, f, itin, opc, asm, cstr, pattern> {
1954 let Inst{24} = op24;
1955 let Inst{23} = op23;
1956 let Inst{21-20} = op21_20;
1957 let Inst{11-8} = op11_8;
1961 // Instruction operands.
1966 let Inst{15-12} = Vd{3-0};
1967 let Inst{22} = Vd{4};
1968 let Inst{19-16} = Vn{3-0};
1969 let Inst{7} = Vn{4};
1970 let Inst{3-0} = Vm{3-0};
1971 let Inst{5} = Vm{4};
1974 // NEON VMOVs between scalar and core registers.
1975 class NVLaneOp<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1976 dag oops, dag iops, Format f, InstrItinClass itin,
1977 string opc, string dt, string asm, list<dag> pattern>
1978 : InstARM<AddrModeNone, Size4Bytes, IndexModeNone, f, NeonDomain,
1980 let Inst{27-20} = opcod1;
1981 let Inst{11-8} = opcod2;
1982 let Inst{6-5} = opcod3;
1985 let OutOperandList = oops;
1986 let InOperandList = !con(iops, (ins pred:$p));
1987 let AsmString = !strconcat(opc, "${p}", ".", dt, "\t", asm);
1988 let Pattern = pattern;
1989 list<Predicate> Predicates = [HasNEON];
1996 let Inst{31-28} = p{3-0};
1998 let Inst{19-16} = V{3-0};
1999 let Inst{15-12} = R{3-0};
2001 class NVGetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
2002 dag oops, dag iops, InstrItinClass itin,
2003 string opc, string dt, string asm, list<dag> pattern>
2004 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NGetLnFrm, itin,
2005 opc, dt, asm, pattern>;
2006 class NVSetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
2007 dag oops, dag iops, InstrItinClass itin,
2008 string opc, string dt, string asm, list<dag> pattern>
2009 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NSetLnFrm, itin,
2010 opc, dt, asm, pattern>;
2011 class NVDup<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
2012 dag oops, dag iops, InstrItinClass itin,
2013 string opc, string dt, string asm, list<dag> pattern>
2014 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NDupFrm, itin,
2015 opc, dt, asm, pattern>;
2017 // Vector Duplicate Lane (from scalar to all elements)
2018 class NVDupLane<bits<4> op19_16, bit op6, dag oops, dag iops,
2019 InstrItinClass itin, string opc, string dt, string asm,
2021 : NDataI<oops, iops, NVDupLnFrm, itin, opc, dt, asm, "", pattern> {
2022 let Inst{24-23} = 0b11;
2023 let Inst{21-20} = 0b11;
2024 let Inst{19-16} = op19_16;
2025 let Inst{11-7} = 0b11000;
2033 let Inst{22} = Vd{4};
2034 let Inst{15-12} = Vd{3-0};
2035 let Inst{5} = Vm{4};
2036 let Inst{3-0} = Vm{3-0};
2039 // NEONFPPat - Same as Pat<>, but requires that the compiler be using NEON
2040 // for single-precision FP.
2041 class NEONFPPat<dag pattern, dag result> : Pat<pattern, result> {
2042 list<Predicate> Predicates = [HasNEON,UseNEONForFP];