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>;
423 class AIldst1<bits<3> op, bit opc22, bit isLd, dag oops, dag iops, AddrMode am,
424 Format f, InstrItinClass itin, string opc, string asm,
426 : I<oops, iops, am, Size4Bytes, IndexModeNone, f, itin, opc, asm,
428 let Inst{27-25} = op;
429 let Inst{24} = 1; // 24 == P
431 let Inst{22} = opc22;
432 let Inst{21} = 0; // 21 == W
435 // LDRH/LDRSB/LDRSH/LDRD
436 class AIldr2<bits<4> op, bit opc22, bit opc20, dag oops, dag iops, AddrMode am,
437 Format f, InstrItinClass itin, string opc, string asm,
439 : I<oops, iops, am, Size4Bytes, IndexModeNone, f, itin, opc, asm,
441 let Inst{27-25} = 0b000;
442 let Inst{24} = 1; // 24 == P
444 let Inst{22} = opc22;
445 let Inst{21} = 0; // 21 == W
446 let Inst{20} = opc20;
451 class AXI2ldw<dag oops, dag iops, Format f, InstrItinClass itin,
452 string asm, list<dag> pattern>
453 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
455 let Inst{20} = 1; // L bit
456 let Inst{21} = 0; // W bit
457 let Inst{22} = 0; // B bit
458 let Inst{24} = 1; // P bit
459 let Inst{27-26} = 0b01;
461 class AXI2ldb<dag oops, dag iops, Format f, InstrItinClass itin,
462 string asm, list<dag> pattern>
463 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
465 let Inst{20} = 1; // L bit
466 let Inst{21} = 0; // W bit
467 let Inst{22} = 1; // B bit
468 let Inst{24} = 1; // P bit
469 let Inst{27-26} = 0b01;
473 class AXI2stw<dag oops, dag iops, Format f, InstrItinClass itin,
474 string asm, list<dag> pattern>
475 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
477 let Inst{20} = 0; // L bit
478 let Inst{21} = 0; // W bit
479 let Inst{22} = 0; // B bit
480 let Inst{24} = 1; // P bit
481 let Inst{27-26} = 0b01;
483 class AXI2stb<dag oops, dag iops, Format f, InstrItinClass itin,
484 string asm, list<dag> pattern>
485 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
487 let Inst{20} = 0; // L bit
488 let Inst{21} = 0; // W bit
489 let Inst{22} = 1; // B bit
490 let Inst{24} = 1; // P bit
491 let Inst{27-26} = 0b01;
495 class AI2ldwpr<dag oops, dag iops, Format f, InstrItinClass itin,
496 string opc, string asm, string cstr, list<dag> pattern>
497 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePre, f, itin,
498 opc, asm, cstr, pattern> {
499 let Inst{20} = 1; // L bit
500 let Inst{21} = 1; // W bit
501 let Inst{22} = 0; // B bit
502 let Inst{24} = 1; // P bit
503 let Inst{27-26} = 0b01;
505 class AI2ldbpr<dag oops, dag iops, Format f, InstrItinClass itin,
506 string opc, string asm, string cstr, list<dag> pattern>
507 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePre, f, itin,
508 opc, asm, cstr, pattern> {
509 let Inst{20} = 1; // L bit
510 let Inst{21} = 1; // W bit
511 let Inst{22} = 1; // B bit
512 let Inst{24} = 1; // P bit
513 let Inst{27-26} = 0b01;
516 // Pre-indexed stores
517 class AI2stwpr<dag oops, dag iops, Format f, InstrItinClass itin,
518 string opc, string asm, string cstr, list<dag> pattern>
519 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePre, f, itin,
520 opc, asm, cstr, pattern> {
521 let Inst{20} = 0; // L bit
522 let Inst{21} = 1; // W bit
523 let Inst{22} = 0; // B bit
524 let Inst{24} = 1; // P bit
525 let Inst{27-26} = 0b01;
527 class AI2stbpr<dag oops, dag iops, Format f, InstrItinClass itin,
528 string opc, string asm, string cstr, list<dag> pattern>
529 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePre, f, itin,
530 opc, asm, cstr, pattern> {
531 let Inst{20} = 0; // L bit
532 let Inst{21} = 1; // W bit
533 let Inst{22} = 1; // B bit
534 let Inst{24} = 1; // P bit
535 let Inst{27-26} = 0b01;
538 // Post-indexed loads
539 class AI2ldwpo<dag oops, dag iops, Format f, InstrItinClass itin,
540 string opc, string asm, string cstr, list<dag> pattern>
541 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePost, f, itin,
542 opc, asm, cstr,pattern> {
543 let Inst{20} = 1; // L bit
544 let Inst{21} = 0; // W bit
545 let Inst{22} = 0; // B bit
546 let Inst{24} = 0; // P bit
547 let Inst{27-26} = 0b01;
549 class AI2ldbpo<dag oops, dag iops, Format f, InstrItinClass itin,
550 string opc, string asm, string cstr, list<dag> pattern>
551 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePost, f, itin,
552 opc, asm, cstr,pattern> {
553 let Inst{20} = 1; // L bit
554 let Inst{21} = 0; // W bit
555 let Inst{22} = 1; // B bit
556 let Inst{24} = 0; // P bit
557 let Inst{27-26} = 0b01;
560 // Post-indexed stores
561 class AI2stwpo<dag oops, dag iops, Format f, InstrItinClass itin,
562 string opc, string asm, string cstr, list<dag> pattern>
563 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePost, f, itin,
564 opc, asm, cstr,pattern> {
565 let Inst{20} = 0; // L bit
566 let Inst{21} = 0; // W bit
567 let Inst{22} = 0; // B bit
568 let Inst{24} = 0; // P bit
569 let Inst{27-26} = 0b01;
571 class AI2stbpo<dag oops, dag iops, Format f, InstrItinClass itin,
572 string opc, string asm, string cstr, list<dag> pattern>
573 : I<oops, iops, AddrMode2, Size4Bytes, IndexModePost, f, itin,
574 opc, asm, cstr,pattern> {
575 let Inst{20} = 0; // L bit
576 let Inst{21} = 0; // W bit
577 let Inst{22} = 1; // B bit
578 let Inst{24} = 0; // P bit
579 let Inst{27-26} = 0b01;
582 // addrmode3 instructions
583 class AI3<dag oops, dag iops, Format f, InstrItinClass itin,
584 string opc, string asm, list<dag> pattern>
585 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
586 opc, asm, "", pattern>;
587 class AXI3<dag oops, dag iops, Format f, InstrItinClass itin,
588 string asm, list<dag> pattern>
589 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
593 class AI3ldh<dag oops, dag iops, Format f, InstrItinClass itin,
594 string opc, string asm, list<dag> pattern>
595 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
596 opc, asm, "", pattern> {
598 let Inst{5} = 1; // H bit
599 let Inst{6} = 0; // S bit
601 let Inst{20} = 1; // L bit
602 let Inst{21} = 0; // W bit
603 let Inst{24} = 1; // P bit
604 let Inst{27-25} = 0b000;
606 class AXI3ldh<dag oops, dag iops, Format f, InstrItinClass itin,
607 string asm, list<dag> pattern>
608 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
611 let Inst{5} = 1; // H bit
612 let Inst{6} = 0; // S bit
614 let Inst{20} = 1; // L bit
615 let Inst{21} = 0; // W bit
616 let Inst{24} = 1; // P bit
618 class AI3ldsh<dag oops, dag iops, Format f, InstrItinClass itin,
619 string opc, string asm, list<dag> pattern>
620 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
621 opc, asm, "", pattern> {
624 let Inst{27-25} = 0b000;
625 let Inst{24} = 1; // P bit
626 let Inst{23} = addr{8}; // U bit
627 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
628 let Inst{21} = 0; // W bit
629 let Inst{20} = 1; // L bit
630 let Inst{19-16} = addr{12-9}; // Rn
631 let Inst{15-12} = Rt; // Rt
632 let Inst{11-8} = addr{7-4}; // imm7_4/zero
633 let Inst{7-4} = 0b1111;
634 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
636 class AXI3ldsh<dag oops, dag iops, Format f, InstrItinClass itin,
637 string asm, list<dag> pattern>
638 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
641 let Inst{5} = 1; // H bit
642 let Inst{6} = 1; // S bit
644 let Inst{20} = 1; // L bit
645 let Inst{21} = 0; // W bit
646 let Inst{24} = 1; // P bit
648 class AI3ldsb<dag oops, dag iops, Format f, InstrItinClass itin,
649 string opc, string asm, list<dag> pattern>
650 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
651 opc, asm, "", pattern> {
654 let Inst{27-25} = 0b000;
655 let Inst{24} = 1; // P bit
656 let Inst{23} = addr{8}; // U bit
657 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
658 let Inst{21} = 0; // W bit
659 let Inst{20} = 1; // L bit
660 let Inst{19-16} = addr{12-9}; // Rn
661 let Inst{15-12} = Rt; // Rt
662 let Inst{11-8} = addr{7-4}; // imm7_4/zero
663 let Inst{7-4} = 0b1101;
664 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
666 class AXI3ldsb<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} = 0; // H bit
672 let Inst{6} = 1; // S bit
674 let Inst{20} = 1; // L bit
675 let Inst{21} = 0; // W bit
676 let Inst{24} = 1; // P bit
678 class AI3ldd<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} = 0; // 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 AI3sth<dag oops, dag iops, Format f, InstrItinClass itin,
694 string opc, string asm, list<dag> pattern>
695 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
696 opc, asm, "", pattern> {
699 let Inst{27-25} = 0b000;
700 let Inst{24} = 1; // P bit
701 let Inst{23} = addr{8}; // U bit
702 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
703 let Inst{21} = 0; // W bit
704 let Inst{20} = 0; // L bit
705 let Inst{19-16} = addr{12-9}; // Rn
706 let Inst{15-12} = Rt; // Rt
707 let Inst{11-8} = addr{7-4}; // imm7_4/zero
708 let Inst{7-4} = 0b1011;
709 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
711 class AXI3sth<dag oops, dag iops, Format f, InstrItinClass itin,
712 string asm, list<dag> pattern>
713 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
716 let Inst{5} = 1; // H bit
717 let Inst{6} = 0; // S bit
719 let Inst{20} = 0; // L bit
720 let Inst{21} = 0; // W bit
721 let Inst{24} = 1; // P bit
723 class AI3std<dag oops, dag iops, Format f, InstrItinClass itin,
724 string opc, string asm, list<dag> pattern>
725 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
726 opc, asm, "", pattern> {
728 let Inst{5} = 1; // H bit
729 let Inst{6} = 1; // S bit
731 let Inst{20} = 0; // L bit
732 let Inst{21} = 0; // W bit
733 let Inst{24} = 1; // P bit
734 let Inst{27-25} = 0b000;
738 class AI3ldhpr<dag oops, dag iops, Format f, InstrItinClass itin,
739 string opc, string asm, string cstr, list<dag> pattern>
740 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
741 opc, asm, cstr, pattern> {
743 let Inst{5} = 1; // H bit
744 let Inst{6} = 0; // S bit
746 let Inst{20} = 1; // L bit
747 let Inst{21} = 1; // W bit
748 let Inst{24} = 1; // P bit
749 let Inst{27-25} = 0b000;
751 class AI3ldshpr<dag oops, dag iops, Format f, InstrItinClass itin,
752 string opc, string asm, string cstr, list<dag> pattern>
753 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
754 opc, asm, cstr, pattern> {
757 let Inst{27-25} = 0b000;
758 let Inst{24} = 1; // P bit
759 let Inst{23} = addr{8}; // U bit
760 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
761 let Inst{21} = 1; // W bit
762 let Inst{20} = 1; // L bit
763 let Inst{19-16} = addr{12-9}; // Rn
764 let Inst{15-12} = Rt; // Rt
765 let Inst{11-8} = addr{7-4}; // imm7_4/zero
766 let Inst{7-4} = 0b1111;
767 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
769 class AI3ldsbpr<dag oops, dag iops, Format f, InstrItinClass itin,
770 string opc, string asm, string cstr, list<dag> pattern>
771 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
772 opc, asm, cstr, pattern> {
774 let Inst{5} = 0; // H bit
775 let Inst{6} = 1; // S bit
777 let Inst{20} = 1; // L bit
778 let Inst{21} = 1; // W bit
779 let Inst{24} = 1; // P bit
780 let Inst{27-25} = 0b000;
782 class AI3lddpr<dag oops, dag iops, Format f, InstrItinClass itin,
783 string opc, string asm, string cstr, list<dag> pattern>
784 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
785 opc, asm, cstr, pattern> {
787 let Inst{5} = 0; // H bit
788 let Inst{6} = 1; // S bit
790 let Inst{20} = 0; // L bit
791 let Inst{21} = 1; // W bit
792 let Inst{24} = 1; // P bit
793 let Inst{27-25} = 0b000;
797 // Pre-indexed stores
798 class AI3sthpr<dag oops, dag iops, Format f, InstrItinClass itin,
799 string opc, string asm, string cstr, list<dag> pattern>
800 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
801 opc, asm, cstr, pattern> {
803 let Inst{5} = 1; // H bit
804 let Inst{6} = 0; // S bit
806 let Inst{20} = 0; // L bit
807 let Inst{21} = 1; // W bit
808 let Inst{24} = 1; // P bit
809 let Inst{27-25} = 0b000;
811 class AI3stdpr<dag oops, dag iops, Format f, InstrItinClass itin,
812 string opc, string asm, string cstr, list<dag> pattern>
813 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
814 opc, asm, cstr, pattern> {
816 let Inst{5} = 1; // H bit
817 let Inst{6} = 1; // S bit
819 let Inst{20} = 0; // L bit
820 let Inst{21} = 1; // W bit
821 let Inst{24} = 1; // P bit
822 let Inst{27-25} = 0b000;
825 // Post-indexed loads
826 class AI3ldhpo<dag oops, dag iops, Format f, InstrItinClass itin,
827 string opc, string asm, string cstr, list<dag> pattern>
828 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
829 opc, asm, cstr,pattern> {
831 let Inst{5} = 1; // H bit
832 let Inst{6} = 0; // S bit
834 let Inst{20} = 1; // L bit
835 let Inst{21} = 0; // W bit
836 let Inst{24} = 0; // P bit
837 let Inst{27-25} = 0b000;
839 class AI3ldshpo<dag oops, dag iops, Format f, InstrItinClass itin,
840 string opc, string asm, string cstr, list<dag> pattern>
841 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
842 opc, asm, cstr,pattern> {
846 let Inst{27-25} = 0b000;
847 let Inst{24} = 0; // P bit
848 let Inst{23} = offset{8}; // U bit
849 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
850 let Inst{21} = 0; // W bit
851 let Inst{20} = 1; // L bit
852 let Inst{19-16} = Rn; // Rn
853 let Inst{15-12} = Rt; // Rt
854 let Inst{11-8} = offset{7-4}; // imm7_4/zero
855 let Inst{7-4} = 0b1111;
856 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
858 class AI3ldsbpo<dag oops, dag iops, Format f, InstrItinClass itin,
859 string opc, string asm, string cstr, list<dag> pattern>
860 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
861 opc, asm, cstr,pattern> {
863 let Inst{5} = 0; // H bit
864 let Inst{6} = 1; // S bit
866 let Inst{20} = 1; // L bit
867 let Inst{21} = 0; // W bit
868 let Inst{24} = 0; // P bit
869 let Inst{27-25} = 0b000;
871 class AI3lddpo<dag oops, dag iops, Format f, InstrItinClass itin,
872 string opc, string asm, string cstr, list<dag> pattern>
873 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
874 opc, asm, cstr, pattern> {
876 let Inst{5} = 0; // H bit
877 let Inst{6} = 1; // S bit
879 let Inst{20} = 0; // L bit
880 let Inst{21} = 0; // W bit
881 let Inst{24} = 0; // P bit
882 let Inst{27-25} = 0b000;
885 // Post-indexed stores
886 class AI3sthpo<dag oops, dag iops, Format f, InstrItinClass itin,
887 string opc, string asm, string cstr, list<dag> pattern>
888 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
889 opc, asm, cstr,pattern> {
891 let Inst{5} = 1; // H bit
892 let Inst{6} = 0; // S bit
894 let Inst{20} = 0; // L bit
895 let Inst{21} = 0; // W bit
896 let Inst{24} = 0; // P bit
897 let Inst{27-25} = 0b000;
899 class AI3stdpo<dag oops, dag iops, Format f, InstrItinClass itin,
900 string opc, string asm, string cstr, list<dag> pattern>
901 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
902 opc, asm, cstr, pattern> {
904 let Inst{5} = 1; // H bit
905 let Inst{6} = 1; // S bit
907 let Inst{20} = 0; // L bit
908 let Inst{21} = 0; // W bit
909 let Inst{24} = 0; // P bit
910 let Inst{27-25} = 0b000;
913 // addrmode4 instructions
914 class AXI4ld<dag oops, dag iops, IndexMode im, Format f, InstrItinClass itin,
915 string asm, string cstr, list<dag> pattern>
916 : XI<oops, iops, AddrMode4, Size4Bytes, im, f, itin,
917 asm, cstr, pattern> {
923 let Inst{27-25} = 0b100;
924 let Inst{24-23} = amode;
925 let Inst{22} = 0; // S bit
926 let Inst{20} = 1; // L bit
927 let Inst{19-16} = Rn;
928 let Inst{15-0} = dsts;
930 class AXI4st<dag oops, dag iops, IndexMode im, Format f, InstrItinClass itin,
931 string asm, string cstr, list<dag> pattern>
932 : XI<oops, iops, AddrMode4, Size4Bytes, im, f, itin,
933 asm, cstr, pattern> {
939 let Inst{27-25} = 0b100;
940 let Inst{24-23} = amode;
941 let Inst{22} = 0; // S bit
942 let Inst{20} = 0; // L bit
943 let Inst{19-16} = Rn;
944 let Inst{15-0} = srcs;
947 // Unsigned multiply, multiply-accumulate instructions.
948 class AMul1I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
949 string opc, string asm, list<dag> pattern>
950 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
951 opc, asm, "", pattern> {
952 let Inst{7-4} = 0b1001;
953 let Inst{20} = 0; // S bit
954 let Inst{27-21} = opcod;
956 class AsMul1I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
957 string opc, string asm, list<dag> pattern>
958 : sI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
959 opc, asm, "", pattern> {
960 let Inst{7-4} = 0b1001;
961 let Inst{27-21} = opcod;
964 // Most significant word multiply
965 class AMul2I<bits<7> opcod, bits<4> opc7_4, dag oops, dag iops,
966 InstrItinClass itin, string opc, string asm, list<dag> pattern>
967 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
968 opc, asm, "", pattern> {
972 let Inst{7-4} = opc7_4;
974 let Inst{27-21} = opcod;
975 let Inst{19-16} = Rd;
979 // MSW multiple w/ Ra operand
980 class AMul2Ia<bits<7> opcod, bits<4> opc7_4, dag oops, dag iops,
981 InstrItinClass itin, string opc, string asm, list<dag> pattern>
982 : AMul2I<opcod, opc7_4, oops, iops, itin, opc, asm, pattern> {
984 let Inst{15-12} = Ra;
987 // SMUL<x><y> / SMULW<y> / SMLA<x><y> / SMLAW<x><y>
988 class AMulxyIbase<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
989 InstrItinClass itin, string opc, string asm, list<dag> pattern>
990 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
991 opc, asm, "", pattern> {
997 let Inst{27-21} = opcod;
998 let Inst{6-5} = bit6_5;
1002 class AMulxyI<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
1003 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1004 : AMulxyIbase<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
1006 let Inst{19-16} = Rd;
1009 // AMulxyI with Ra operand
1010 class AMulxyIa<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
1011 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1012 : AMulxyI<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
1014 let Inst{15-12} = Ra;
1017 class AMulxyI64<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
1018 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1019 : AMulxyIbase<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
1022 let Inst{19-16} = RdHi;
1023 let Inst{15-12} = RdLo;
1026 // Extend instructions.
1027 class AExtI<bits<8> opcod, dag oops, dag iops, InstrItinClass itin,
1028 string opc, string asm, list<dag> pattern>
1029 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ExtFrm, itin,
1030 opc, asm, "", pattern> {
1031 // All AExtI instructions have Rd and Rm register operands.
1034 let Inst{15-12} = Rd;
1036 let Inst{7-4} = 0b0111;
1037 let Inst{9-8} = 0b00;
1038 let Inst{27-20} = opcod;
1041 // Misc Arithmetic instructions.
1042 class AMiscA1I<bits<8> opcod, bits<4> opc7_4, dag oops, dag iops,
1043 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1044 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ArithMiscFrm, itin,
1045 opc, asm, "", pattern> {
1048 let Inst{27-20} = opcod;
1049 let Inst{19-16} = 0b1111;
1050 let Inst{15-12} = Rd;
1051 let Inst{11-8} = 0b1111;
1052 let Inst{7-4} = opc7_4;
1057 class APKHI<bits<8> opcod, bit tb, dag oops, dag iops, InstrItinClass itin,
1058 string opc, string asm, list<dag> pattern>
1059 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ArithMiscFrm, itin,
1060 opc, asm, "", pattern> {
1065 let Inst{27-20} = opcod;
1066 let Inst{19-16} = Rn;
1067 let Inst{15-12} = Rd;
1068 let Inst{11-7} = sh{7-3};
1070 let Inst{5-4} = 0b01;
1074 //===----------------------------------------------------------------------===//
1076 // ARMPat - Same as Pat<>, but requires that the compiler be in ARM mode.
1077 class ARMPat<dag pattern, dag result> : Pat<pattern, result> {
1078 list<Predicate> Predicates = [IsARM];
1080 class ARMV5TEPat<dag pattern, dag result> : Pat<pattern, result> {
1081 list<Predicate> Predicates = [IsARM, HasV5TE];
1083 class ARMV6Pat<dag pattern, dag result> : Pat<pattern, result> {
1084 list<Predicate> Predicates = [IsARM, HasV6];
1087 //===----------------------------------------------------------------------===//
1089 // Thumb Instruction Format Definitions.
1092 // TI - Thumb instruction.
1094 class ThumbI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1095 InstrItinClass itin, string asm, string cstr, list<dag> pattern>
1096 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1097 let OutOperandList = oops;
1098 let InOperandList = iops;
1099 let AsmString = asm;
1100 let Pattern = pattern;
1101 list<Predicate> Predicates = [IsThumb];
1104 class TI<dag oops, dag iops, InstrItinClass itin, string asm, list<dag> pattern>
1105 : ThumbI<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "", pattern>;
1107 // Two-address instructions
1108 class TIt<dag oops, dag iops, InstrItinClass itin, string asm,
1110 : ThumbI<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "$lhs = $dst",
1113 // tBL, tBX 32-bit instructions
1114 class TIx2<bits<5> opcod1, bits<2> opcod2, bit opcod3,
1115 dag oops, dag iops, InstrItinClass itin, string asm,
1117 : ThumbI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>,
1119 let Inst{31-27} = opcod1;
1120 let Inst{15-14} = opcod2;
1121 let Inst{12} = opcod3;
1124 // BR_JT instructions
1125 class TJTI<dag oops, dag iops, InstrItinClass itin, string asm,
1127 : ThumbI<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
1130 class Thumb1I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1131 InstrItinClass itin, string asm, string cstr, list<dag> pattern>
1132 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1133 let OutOperandList = oops;
1134 let InOperandList = iops;
1135 let AsmString = asm;
1136 let Pattern = pattern;
1137 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1140 class T1I<dag oops, dag iops, InstrItinClass itin,
1141 string asm, list<dag> pattern>
1142 : Thumb1I<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "", pattern>;
1143 class T1Ix2<dag oops, dag iops, InstrItinClass itin,
1144 string asm, list<dag> pattern>
1145 : Thumb1I<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>;
1146 class T1JTI<dag oops, dag iops, InstrItinClass itin,
1147 string asm, list<dag> pattern>
1148 : Thumb1I<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
1150 // Two-address instructions
1151 class T1It<dag oops, dag iops, InstrItinClass itin,
1152 string asm, string cstr, list<dag> pattern>
1153 : Thumb1I<oops, iops, AddrModeNone, Size2Bytes, itin,
1154 asm, cstr, pattern>;
1156 // Thumb1 instruction that can either be predicated or set CPSR.
1157 class Thumb1sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1158 InstrItinClass itin,
1159 string opc, string asm, string cstr, list<dag> pattern>
1160 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1161 let OutOperandList = !con(oops, (outs s_cc_out:$s));
1162 let InOperandList = !con(iops, (ins pred:$p));
1163 let AsmString = !strconcat(opc, "${s}${p}", asm);
1164 let Pattern = pattern;
1165 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1168 class T1sI<dag oops, dag iops, InstrItinClass itin,
1169 string opc, string asm, list<dag> pattern>
1170 : Thumb1sI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm, "", pattern>;
1172 // Two-address instructions
1173 class T1sIt<dag oops, dag iops, InstrItinClass itin,
1174 string opc, string asm, list<dag> pattern>
1175 : Thumb1sI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm,
1176 "$lhs = $dst", pattern>;
1178 // Thumb1 instruction that can be predicated.
1179 class Thumb1pI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1180 InstrItinClass itin,
1181 string opc, string asm, string cstr, list<dag> pattern>
1182 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1183 let OutOperandList = oops;
1184 let InOperandList = !con(iops, (ins pred:$p));
1185 let AsmString = !strconcat(opc, "${p}", asm);
1186 let Pattern = pattern;
1187 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1190 class T1pI<dag oops, dag iops, InstrItinClass itin,
1191 string opc, string asm, list<dag> pattern>
1192 : Thumb1pI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm, "", pattern>;
1194 // Two-address instructions
1195 class T1pIt<dag oops, dag iops, InstrItinClass itin,
1196 string opc, string asm, list<dag> pattern>
1197 : Thumb1pI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm,
1198 "$lhs = $dst", pattern>;
1200 class T1pI1<dag oops, dag iops, InstrItinClass itin,
1201 string opc, string asm, list<dag> pattern>
1202 : Thumb1pI<oops, iops, AddrModeT1_1, Size2Bytes, itin, opc, asm, "", pattern>;
1203 class T1pI2<dag oops, dag iops, InstrItinClass itin,
1204 string opc, string asm, list<dag> pattern>
1205 : Thumb1pI<oops, iops, AddrModeT1_2, Size2Bytes, itin, opc, asm, "", pattern>;
1206 class T1pI4<dag oops, dag iops, InstrItinClass itin,
1207 string opc, string asm, list<dag> pattern>
1208 : Thumb1pI<oops, iops, AddrModeT1_4, Size2Bytes, itin, opc, asm, "", pattern>;
1209 class T1pIs<dag oops, dag iops,
1210 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1211 : Thumb1pI<oops, iops, AddrModeT1_s, Size2Bytes, itin, opc, asm, "", pattern>;
1213 class Encoding16 : Encoding {
1214 let Inst{31-16} = 0x0000;
1217 // A6.2 16-bit Thumb instruction encoding
1218 class T1Encoding<bits<6> opcode> : Encoding16 {
1219 let Inst{15-10} = opcode;
1222 // A6.2.1 Shift (immediate), add, subtract, move, and compare encoding.
1223 class T1General<bits<5> opcode> : Encoding16 {
1224 let Inst{15-14} = 0b00;
1225 let Inst{13-9} = opcode;
1228 // A6.2.2 Data-processing encoding.
1229 class T1DataProcessing<bits<4> opcode> : Encoding16 {
1230 let Inst{15-10} = 0b010000;
1231 let Inst{9-6} = opcode;
1234 // A6.2.3 Special data instructions and branch and exchange encoding.
1235 class T1Special<bits<4> opcode> : Encoding16 {
1236 let Inst{15-10} = 0b010001;
1237 let Inst{9-6} = opcode;
1240 // A6.2.4 Load/store single data item encoding.
1241 class T1LoadStore<bits<4> opA, bits<3> opB> : Encoding16 {
1242 let Inst{15-12} = opA;
1243 let Inst{11-9} = opB;
1245 class T1LdSt<bits<3> opB> : T1LoadStore<0b0101, opB>;
1246 class T1LdSt4Imm<bits<3> opB> : T1LoadStore<0b0110, opB>; // Immediate, 4 bytes
1247 class T1LdSt1Imm<bits<3> opB> : T1LoadStore<0b0111, opB>; // Immediate, 1 byte
1248 class T1LdSt2Imm<bits<3> opB> : T1LoadStore<0b1000, opB>; // Immediate, 2 bytes
1249 class T1LdStSP<bits<3> opB> : T1LoadStore<0b1001, opB>; // SP relative
1251 // A6.2.5 Miscellaneous 16-bit instructions encoding.
1252 class T1Misc<bits<7> opcode> : Encoding16 {
1253 let Inst{15-12} = 0b1011;
1254 let Inst{11-5} = opcode;
1257 // Thumb2I - Thumb2 instruction. Almost all Thumb2 instructions are predicable.
1258 class Thumb2I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1259 InstrItinClass itin,
1260 string opc, string asm, string cstr, list<dag> pattern>
1261 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1262 let OutOperandList = oops;
1263 let InOperandList = !con(iops, (ins pred:$p));
1264 let AsmString = !strconcat(opc, "${p}", asm);
1265 let Pattern = pattern;
1266 list<Predicate> Predicates = [IsThumb2];
1269 // Same as Thumb2I except it can optionally modify CPSR. Note it's modeled as an
1270 // input operand since by default it's a zero register. It will become an
1271 // implicit def once it's "flipped".
1273 // FIXME: This uses unified syntax so {s} comes before {p}. We should make it
1275 class Thumb2sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1276 InstrItinClass itin,
1277 string opc, string asm, string cstr, list<dag> pattern>
1278 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1279 let OutOperandList = oops;
1280 let InOperandList = !con(iops, (ins pred:$p, cc_out:$s));
1281 let AsmString = !strconcat(opc, "${s}${p}", asm);
1282 let Pattern = pattern;
1283 list<Predicate> Predicates = [IsThumb2];
1287 class Thumb2XI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1288 InstrItinClass itin,
1289 string asm, string cstr, list<dag> pattern>
1290 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1291 let OutOperandList = oops;
1292 let InOperandList = iops;
1293 let AsmString = asm;
1294 let Pattern = pattern;
1295 list<Predicate> Predicates = [IsThumb2];
1298 class ThumbXI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1299 InstrItinClass itin,
1300 string asm, string cstr, list<dag> pattern>
1301 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1302 let OutOperandList = oops;
1303 let InOperandList = iops;
1304 let AsmString = asm;
1305 let Pattern = pattern;
1306 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1309 class T2I<dag oops, dag iops, InstrItinClass itin,
1310 string opc, string asm, list<dag> pattern>
1311 : Thumb2I<oops, iops, AddrModeNone, Size4Bytes, itin, opc, asm, "", pattern>;
1312 class T2Ii12<dag oops, dag iops, InstrItinClass itin,
1313 string opc, string asm, list<dag> pattern>
1314 : Thumb2I<oops, iops, AddrModeT2_i12, Size4Bytes, itin, opc, asm, "",pattern>;
1315 class T2Ii8<dag oops, dag iops, InstrItinClass itin,
1316 string opc, string asm, list<dag> pattern>
1317 : Thumb2I<oops, iops, AddrModeT2_i8, Size4Bytes, itin, opc, asm, "", pattern>;
1318 class T2Iso<dag oops, dag iops, InstrItinClass itin,
1319 string opc, string asm, list<dag> pattern>
1320 : Thumb2I<oops, iops, AddrModeT2_so, Size4Bytes, itin, opc, asm, "", pattern>;
1321 class T2Ipc<dag oops, dag iops, InstrItinClass itin,
1322 string opc, string asm, list<dag> pattern>
1323 : Thumb2I<oops, iops, AddrModeT2_pc, Size4Bytes, itin, opc, asm, "", pattern>;
1324 class T2Ii8s4<bit P, bit W, bit load, dag oops, dag iops, InstrItinClass itin,
1325 string opc, string asm, list<dag> pattern>
1326 : Thumb2I<oops, iops, AddrModeT2_i8s4, Size4Bytes, itin, opc, asm, "",
1328 let Inst{31-27} = 0b11101;
1329 let Inst{26-25} = 0b00;
1331 let Inst{23} = ?; // The U bit.
1334 let Inst{20} = load;
1337 class T2sI<dag oops, dag iops, InstrItinClass itin,
1338 string opc, string asm, list<dag> pattern>
1339 : Thumb2sI<oops, iops, AddrModeNone, Size4Bytes, itin, opc, asm, "", pattern>;
1341 class T2XI<dag oops, dag iops, InstrItinClass itin,
1342 string asm, list<dag> pattern>
1343 : Thumb2XI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>;
1344 class T2JTI<dag oops, dag iops, InstrItinClass itin,
1345 string asm, list<dag> pattern>
1346 : Thumb2XI<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
1348 class T2Ix2<dag oops, dag iops, InstrItinClass itin,
1349 string opc, string asm, list<dag> pattern>
1350 : Thumb2I<oops, iops, AddrModeNone, Size8Bytes, itin, opc, asm, "", pattern>;
1352 // Two-address instructions
1353 class T2XIt<dag oops, dag iops, InstrItinClass itin,
1354 string asm, string cstr, list<dag> pattern>
1355 : Thumb2XI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, cstr, pattern>;
1357 // T2Iidxldst - Thumb2 indexed load / store instructions.
1358 class T2Iidxldst<bit signed, bits<2> opcod, bit load, bit pre,
1360 AddrMode am, IndexMode im, InstrItinClass itin,
1361 string opc, string asm, string cstr, list<dag> pattern>
1362 : InstARM<am, Size4Bytes, im, ThumbFrm, GenericDomain, cstr, itin> {
1363 let OutOperandList = oops;
1364 let InOperandList = !con(iops, (ins pred:$p));
1365 let AsmString = !strconcat(opc, "${p}", asm);
1366 let Pattern = pattern;
1367 list<Predicate> Predicates = [IsThumb2];
1368 let Inst{31-27} = 0b11111;
1369 let Inst{26-25} = 0b00;
1370 let Inst{24} = signed;
1372 let Inst{22-21} = opcod;
1373 let Inst{20} = load;
1375 // (P, W) = (1, 1) Pre-indexed or (0, 1) Post-indexed
1376 let Inst{10} = pre; // The P bit.
1377 let Inst{8} = 1; // The W bit.
1380 // Helper class for disassembly only
1381 // A6.3.16 & A6.3.17
1382 // T2Imac - Thumb2 multiply [accumulate, and absolute difference] instructions.
1383 class T2I_mac<bit long, bits<3> op22_20, bits<4> op7_4, dag oops, dag iops,
1384 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1385 : T2I<oops, iops, itin, opc, asm, pattern> {
1386 let Inst{31-27} = 0b11111;
1387 let Inst{26-24} = 0b011;
1388 let Inst{23} = long;
1389 let Inst{22-20} = op22_20;
1390 let Inst{7-4} = op7_4;
1393 // Tv5Pat - Same as Pat<>, but requires V5T Thumb mode.
1394 class Tv5Pat<dag pattern, dag result> : Pat<pattern, result> {
1395 list<Predicate> Predicates = [IsThumb, IsThumb1Only, HasV5T];
1398 // T1Pat - Same as Pat<>, but requires that the compiler be in Thumb1 mode.
1399 class T1Pat<dag pattern, dag result> : Pat<pattern, result> {
1400 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1403 // T2Pat - Same as Pat<>, but requires that the compiler be in Thumb2 mode.
1404 class T2Pat<dag pattern, dag result> : Pat<pattern, result> {
1405 list<Predicate> Predicates = [IsThumb2];
1408 //===----------------------------------------------------------------------===//
1410 //===----------------------------------------------------------------------===//
1411 // ARM VFP Instruction templates.
1414 // Almost all VFP instructions are predicable.
1415 class VFPI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1416 IndexMode im, Format f, InstrItinClass itin,
1417 string opc, string asm, string cstr, list<dag> pattern>
1418 : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
1420 let Inst{31-28} = p;
1421 let OutOperandList = oops;
1422 let InOperandList = !con(iops, (ins pred:$p));
1423 let AsmString = !strconcat(opc, "${p}", asm);
1424 let Pattern = pattern;
1425 list<Predicate> Predicates = [HasVFP2];
1429 class VFPXI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1430 IndexMode im, Format f, InstrItinClass itin,
1431 string asm, string cstr, list<dag> pattern>
1432 : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
1433 let OutOperandList = oops;
1434 let InOperandList = iops;
1435 let AsmString = asm;
1436 let Pattern = pattern;
1437 list<Predicate> Predicates = [HasVFP2];
1440 class VFPAI<dag oops, dag iops, Format f, InstrItinClass itin,
1441 string opc, string asm, list<dag> pattern>
1442 : VFPI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
1443 opc, asm, "", pattern>;
1445 // ARM VFP addrmode5 loads and stores
1446 class ADI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
1447 InstrItinClass itin,
1448 string opc, string asm, list<dag> pattern>
1449 : VFPI<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
1450 VFPLdStFrm, itin, opc, asm, "", pattern> {
1451 // Instruction operands.
1455 // Encode instruction operands.
1456 let Inst{23} = addr{8}; // U (add = (U == '1'))
1457 let Inst{22} = Dd{4};
1458 let Inst{19-16} = addr{12-9}; // Rn
1459 let Inst{15-12} = Dd{3-0};
1460 let Inst{7-0} = addr{7-0}; // imm8
1462 // TODO: Mark the instructions with the appropriate subtarget info.
1463 let Inst{27-24} = opcod1;
1464 let Inst{21-20} = opcod2;
1465 let Inst{11-9} = 0b101;
1466 let Inst{8} = 1; // Double precision
1468 // 64-bit loads & stores operate on both NEON and VFP pipelines.
1469 let D = VFPNeonDomain;
1472 class ASI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
1473 InstrItinClass itin,
1474 string opc, string asm, list<dag> pattern>
1475 : VFPI<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
1476 VFPLdStFrm, itin, opc, asm, "", pattern> {
1477 // Instruction operands.
1481 // Encode instruction operands.
1482 let Inst{23} = addr{8}; // U (add = (U == '1'))
1483 let Inst{22} = Sd{0};
1484 let Inst{19-16} = addr{12-9}; // Rn
1485 let Inst{15-12} = Sd{4-1};
1486 let Inst{7-0} = addr{7-0}; // imm8
1488 // TODO: Mark the instructions with the appropriate subtarget info.
1489 let Inst{27-24} = opcod1;
1490 let Inst{21-20} = opcod2;
1491 let Inst{11-9} = 0b101;
1492 let Inst{8} = 0; // Single precision
1495 // VFP Load / store multiple pseudo instructions.
1496 class PseudoVFPLdStM<dag oops, dag iops, InstrItinClass itin, string cstr,
1498 : InstARM<AddrMode4, Size4Bytes, IndexModeNone, Pseudo, VFPNeonDomain,
1500 let OutOperandList = oops;
1501 let InOperandList = !con(iops, (ins pred:$p));
1502 let Pattern = pattern;
1503 list<Predicate> Predicates = [HasVFP2];
1506 // Load / store multiple
1507 class AXDI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
1508 string asm, string cstr, list<dag> pattern>
1509 : VFPXI<oops, iops, AddrMode4, Size4Bytes, im,
1510 VFPLdStMulFrm, itin, asm, cstr, pattern> {
1511 // TODO: Mark the instructions with the appropriate subtarget info.
1512 let Inst{27-25} = 0b110;
1513 let Inst{11-9} = 0b101;
1514 let Inst{8} = 1; // Double precision
1516 // 64-bit loads & stores operate on both NEON and VFP pipelines.
1517 let D = VFPNeonDomain;
1520 class AXSI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
1521 string asm, string cstr, list<dag> pattern>
1522 : VFPXI<oops, iops, AddrMode4, Size4Bytes, im,
1523 VFPLdStMulFrm, itin, asm, cstr, pattern> {
1524 // TODO: Mark the instructions with the appropriate subtarget info.
1525 let Inst{27-25} = 0b110;
1526 let Inst{11-9} = 0b101;
1527 let Inst{8} = 0; // Single precision
1530 // Double precision, unary
1531 class ADuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1532 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1533 string asm, list<dag> pattern>
1534 : VFPAI<oops, iops, VFPUnaryFrm, itin, opc, asm, pattern> {
1535 // Instruction operands.
1539 // Encode instruction operands.
1540 let Inst{3-0} = Dm{3-0};
1541 let Inst{5} = Dm{4};
1542 let Inst{15-12} = Dd{3-0};
1543 let Inst{22} = Dd{4};
1545 let Inst{27-23} = opcod1;
1546 let Inst{21-20} = opcod2;
1547 let Inst{19-16} = opcod3;
1548 let Inst{11-9} = 0b101;
1549 let Inst{8} = 1; // Double precision
1550 let Inst{7-6} = opcod4;
1551 let Inst{4} = opcod5;
1554 // Double precision, binary
1555 class ADbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1556 dag iops, InstrItinClass itin, string opc, string asm,
1558 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1559 // Instruction operands.
1564 // Encode instruction operands.
1565 let Inst{3-0} = Dm{3-0};
1566 let Inst{5} = Dm{4};
1567 let Inst{19-16} = Dn{3-0};
1568 let Inst{7} = Dn{4};
1569 let Inst{15-12} = Dd{3-0};
1570 let Inst{22} = Dd{4};
1572 let Inst{27-23} = opcod1;
1573 let Inst{21-20} = opcod2;
1574 let Inst{11-9} = 0b101;
1575 let Inst{8} = 1; // Double precision
1580 // Single precision, unary
1581 class ASuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1582 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1583 string asm, list<dag> pattern>
1584 : VFPAI<oops, iops, VFPUnaryFrm, itin, opc, asm, pattern> {
1585 // Instruction operands.
1589 // Encode instruction operands.
1590 let Inst{3-0} = Sm{4-1};
1591 let Inst{5} = Sm{0};
1592 let Inst{15-12} = Sd{4-1};
1593 let Inst{22} = Sd{0};
1595 let Inst{27-23} = opcod1;
1596 let Inst{21-20} = opcod2;
1597 let Inst{19-16} = opcod3;
1598 let Inst{11-9} = 0b101;
1599 let Inst{8} = 0; // Single precision
1600 let Inst{7-6} = opcod4;
1601 let Inst{4} = opcod5;
1604 // Single precision unary, if no NEON
1605 // Same as ASuI except not available if NEON is enabled
1606 class ASuIn<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1607 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1608 string asm, list<dag> pattern>
1609 : ASuI<opcod1, opcod2, opcod3, opcod4, opcod5, oops, iops, itin, opc, asm,
1611 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1614 // Single precision, binary
1615 class ASbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops, dag iops,
1616 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1617 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1618 // Instruction operands.
1623 // Encode instruction operands.
1624 let Inst{3-0} = Sm{4-1};
1625 let Inst{5} = Sm{0};
1626 let Inst{19-16} = Sn{4-1};
1627 let Inst{7} = Sn{0};
1628 let Inst{15-12} = Sd{4-1};
1629 let Inst{22} = Sd{0};
1631 let Inst{27-23} = opcod1;
1632 let Inst{21-20} = opcod2;
1633 let Inst{11-9} = 0b101;
1634 let Inst{8} = 0; // Single precision
1639 // Single precision binary, if no NEON
1640 // Same as ASbI except not available if NEON is enabled
1641 class ASbIn<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1642 dag iops, InstrItinClass itin, string opc, string asm,
1644 : ASbI<opcod1, opcod2, op6, op4, oops, iops, itin, opc, asm, pattern> {
1645 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1647 // Instruction operands.
1652 // Encode instruction operands.
1653 let Inst{3-0} = Sm{4-1};
1654 let Inst{5} = Sm{0};
1655 let Inst{19-16} = Sn{4-1};
1656 let Inst{7} = Sn{0};
1657 let Inst{15-12} = Sd{4-1};
1658 let Inst{22} = Sd{0};
1661 // VFP conversion instructions
1662 class AVConv1I<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<4> opcod4,
1663 dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1665 : VFPAI<oops, iops, VFPConv1Frm, itin, opc, asm, pattern> {
1666 let Inst{27-23} = opcod1;
1667 let Inst{21-20} = opcod2;
1668 let Inst{19-16} = opcod3;
1669 let Inst{11-8} = opcod4;
1674 // VFP conversion between floating-point and fixed-point
1675 class AVConv1XI<bits<5> op1, bits<2> op2, bits<4> op3, bits<4> op4, bit op5,
1676 dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1678 : AVConv1I<op1, op2, op3, op4, oops, iops, itin, opc, asm, pattern> {
1679 // size (fixed-point number): sx == 0 ? 16 : 32
1680 let Inst{7} = op5; // sx
1683 // VFP conversion instructions, if no NEON
1684 class AVConv1In<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<4> opcod4,
1685 dag oops, dag iops, InstrItinClass itin,
1686 string opc, string asm, list<dag> pattern>
1687 : AVConv1I<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm,
1689 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1692 class AVConvXI<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops, Format f,
1693 InstrItinClass itin,
1694 string opc, string asm, list<dag> pattern>
1695 : VFPAI<oops, iops, f, itin, opc, asm, pattern> {
1696 let Inst{27-20} = opcod1;
1697 let Inst{11-8} = opcod2;
1701 class AVConv2I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1702 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1703 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv2Frm, itin, opc, asm, pattern>;
1705 class AVConv3I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1706 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1707 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv3Frm, itin, opc, asm, pattern>;
1709 class AVConv4I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1710 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1711 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv4Frm, itin, opc, asm, pattern>;
1713 class AVConv5I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1714 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1715 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv5Frm, itin, opc, asm, pattern>;
1717 //===----------------------------------------------------------------------===//
1719 //===----------------------------------------------------------------------===//
1720 // ARM NEON Instruction templates.
1723 class NeonI<dag oops, dag iops, AddrMode am, IndexMode im, Format f,
1724 InstrItinClass itin, string opc, string dt, string asm, string cstr,
1726 : InstARM<am, Size4Bytes, im, f, NeonDomain, cstr, itin> {
1727 let OutOperandList = oops;
1728 let InOperandList = !con(iops, (ins pred:$p));
1729 let AsmString = !strconcat(opc, "${p}", ".", dt, "\t", asm);
1730 let Pattern = pattern;
1731 list<Predicate> Predicates = [HasNEON];
1734 // Same as NeonI except it does not have a "data type" specifier.
1735 class NeonXI<dag oops, dag iops, AddrMode am, IndexMode im, Format f,
1736 InstrItinClass itin, string opc, string asm, string cstr,
1738 : InstARM<am, Size4Bytes, im, f, NeonDomain, cstr, itin> {
1739 let OutOperandList = oops;
1740 let InOperandList = !con(iops, (ins pred:$p));
1741 let AsmString = !strconcat(opc, "${p}", "\t", asm);
1742 let Pattern = pattern;
1743 list<Predicate> Predicates = [HasNEON];
1746 class NLdSt<bit op23, bits<2> op21_20, bits<4> op11_8, bits<4> op7_4,
1747 dag oops, dag iops, InstrItinClass itin,
1748 string opc, string dt, string asm, string cstr, list<dag> pattern>
1749 : NeonI<oops, iops, AddrMode6, IndexModeNone, NLdStFrm, itin, opc, dt, asm,
1751 let Inst{31-24} = 0b11110100;
1752 let Inst{23} = op23;
1753 let Inst{21-20} = op21_20;
1754 let Inst{11-8} = op11_8;
1755 let Inst{7-4} = op7_4;
1757 string PostEncoderMethod = "NEONThumb2LoadStorePostEncoder";
1763 let Inst{22} = Vd{4};
1764 let Inst{15-12} = Vd{3-0};
1765 let Inst{19-16} = Rn{3-0};
1766 let Inst{3-0} = Rm{3-0};
1769 class NLdStLn<bit op23, bits<2> op21_20, bits<4> op11_8, bits<4> op7_4,
1770 dag oops, dag iops, InstrItinClass itin,
1771 string opc, string dt, string asm, string cstr, list<dag> pattern>
1772 : NLdSt<op23, op21_20, op11_8, op7_4, oops, iops, itin, opc,
1773 dt, asm, cstr, pattern> {
1777 class PseudoNLdSt<dag oops, dag iops, InstrItinClass itin, string cstr>
1778 : InstARM<AddrMode6, Size4Bytes, IndexModeNone, Pseudo, NeonDomain, cstr,
1780 let OutOperandList = oops;
1781 let InOperandList = !con(iops, (ins pred:$p));
1782 list<Predicate> Predicates = [HasNEON];
1785 class PseudoNeonI<dag oops, dag iops, InstrItinClass itin, string cstr,
1787 : InstARM<AddrModeNone, Size4Bytes, IndexModeNone, Pseudo, NeonDomain, cstr,
1789 let OutOperandList = oops;
1790 let InOperandList = !con(iops, (ins pred:$p));
1791 let Pattern = pattern;
1792 list<Predicate> Predicates = [HasNEON];
1795 class NDataI<dag oops, dag iops, Format f, InstrItinClass itin,
1796 string opc, string dt, string asm, string cstr, list<dag> pattern>
1797 : NeonI<oops, iops, AddrModeNone, IndexModeNone, f, itin, opc, dt, asm, cstr,
1799 let Inst{31-25} = 0b1111001;
1800 string PostEncoderMethod = "NEONThumb2DataIPostEncoder";
1803 class NDataXI<dag oops, dag iops, Format f, InstrItinClass itin,
1804 string opc, string asm, string cstr, list<dag> pattern>
1805 : NeonXI<oops, iops, AddrModeNone, IndexModeNone, f, itin, opc, asm,
1807 let Inst{31-25} = 0b1111001;
1810 // NEON "one register and a modified immediate" format.
1811 class N1ModImm<bit op23, bits<3> op21_19, bits<4> op11_8, bit op7, bit op6,
1813 dag oops, dag iops, InstrItinClass itin,
1814 string opc, string dt, string asm, string cstr,
1816 : NDataI<oops, iops, N1RegModImmFrm, itin, opc, dt, asm, cstr, pattern> {
1817 let Inst{23} = op23;
1818 let Inst{21-19} = op21_19;
1819 let Inst{11-8} = op11_8;
1825 // Instruction operands.
1829 let Inst{15-12} = Vd{3-0};
1830 let Inst{22} = Vd{4};
1831 let Inst{24} = SIMM{7};
1832 let Inst{18-16} = SIMM{6-4};
1833 let Inst{3-0} = SIMM{3-0};
1836 // NEON 2 vector register format.
1837 class N2V<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18, bits<2> op17_16,
1838 bits<5> op11_7, bit op6, bit op4,
1839 dag oops, dag iops, InstrItinClass itin,
1840 string opc, string dt, string asm, string cstr, list<dag> pattern>
1841 : NDataI<oops, iops, N2RegFrm, itin, opc, dt, asm, cstr, pattern> {
1842 let Inst{24-23} = op24_23;
1843 let Inst{21-20} = op21_20;
1844 let Inst{19-18} = op19_18;
1845 let Inst{17-16} = op17_16;
1846 let Inst{11-7} = op11_7;
1850 // Instruction operands.
1854 let Inst{15-12} = Vd{3-0};
1855 let Inst{22} = Vd{4};
1856 let Inst{3-0} = Vm{3-0};
1857 let Inst{5} = Vm{4};
1860 // Same as N2V except it doesn't have a datatype suffix.
1861 class N2VX<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18, bits<2> op17_16,
1862 bits<5> op11_7, bit op6, bit op4,
1863 dag oops, dag iops, InstrItinClass itin,
1864 string opc, string asm, string cstr, list<dag> pattern>
1865 : NDataXI<oops, iops, N2RegFrm, itin, opc, asm, cstr, pattern> {
1866 let Inst{24-23} = op24_23;
1867 let Inst{21-20} = op21_20;
1868 let Inst{19-18} = op19_18;
1869 let Inst{17-16} = op17_16;
1870 let Inst{11-7} = op11_7;
1874 // Instruction operands.
1878 let Inst{15-12} = Vd{3-0};
1879 let Inst{22} = Vd{4};
1880 let Inst{3-0} = Vm{3-0};
1881 let Inst{5} = Vm{4};
1884 // NEON 2 vector register with immediate.
1885 class N2VImm<bit op24, bit op23, bits<4> op11_8, bit op7, bit op6, bit op4,
1886 dag oops, dag iops, Format f, InstrItinClass itin,
1887 string opc, string dt, string asm, string cstr, list<dag> pattern>
1888 : NDataI<oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1889 let Inst{24} = op24;
1890 let Inst{23} = op23;
1891 let Inst{11-8} = op11_8;
1896 // Instruction operands.
1901 let Inst{15-12} = Vd{3-0};
1902 let Inst{22} = Vd{4};
1903 let Inst{3-0} = Vm{3-0};
1904 let Inst{5} = Vm{4};
1905 let Inst{21-16} = SIMM{5-0};
1908 // NEON 3 vector register format.
1909 class N3V<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6, bit op4,
1910 dag oops, dag iops, Format f, InstrItinClass itin,
1911 string opc, string dt, string asm, string cstr, list<dag> pattern>
1912 : NDataI<oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1913 let Inst{24} = op24;
1914 let Inst{23} = op23;
1915 let Inst{21-20} = op21_20;
1916 let Inst{11-8} = op11_8;
1920 // Instruction operands.
1925 let Inst{15-12} = Vd{3-0};
1926 let Inst{22} = Vd{4};
1927 let Inst{19-16} = Vn{3-0};
1928 let Inst{7} = Vn{4};
1929 let Inst{3-0} = Vm{3-0};
1930 let Inst{5} = Vm{4};
1933 // Same as N3V except it doesn't have a data type suffix.
1934 class N3VX<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6,
1936 dag oops, dag iops, Format f, InstrItinClass itin,
1937 string opc, string asm, string cstr, list<dag> pattern>
1938 : NDataXI<oops, iops, f, itin, opc, asm, cstr, pattern> {
1939 let Inst{24} = op24;
1940 let Inst{23} = op23;
1941 let Inst{21-20} = op21_20;
1942 let Inst{11-8} = op11_8;
1946 // Instruction operands.
1951 let Inst{15-12} = Vd{3-0};
1952 let Inst{22} = Vd{4};
1953 let Inst{19-16} = Vn{3-0};
1954 let Inst{7} = Vn{4};
1955 let Inst{3-0} = Vm{3-0};
1956 let Inst{5} = Vm{4};
1959 // NEON VMOVs between scalar and core registers.
1960 class NVLaneOp<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1961 dag oops, dag iops, Format f, InstrItinClass itin,
1962 string opc, string dt, string asm, list<dag> pattern>
1963 : InstARM<AddrModeNone, Size4Bytes, IndexModeNone, f, NeonDomain,
1965 let Inst{27-20} = opcod1;
1966 let Inst{11-8} = opcod2;
1967 let Inst{6-5} = opcod3;
1970 let OutOperandList = oops;
1971 let InOperandList = !con(iops, (ins pred:$p));
1972 let AsmString = !strconcat(opc, "${p}", ".", dt, "\t", asm);
1973 let Pattern = pattern;
1974 list<Predicate> Predicates = [HasNEON];
1976 string PostEncoderMethod = "NEONThumb2DupPostEncoder";
1983 let Inst{31-28} = p{3-0};
1985 let Inst{19-16} = V{3-0};
1986 let Inst{15-12} = R{3-0};
1988 class NVGetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1989 dag oops, dag iops, InstrItinClass itin,
1990 string opc, string dt, string asm, list<dag> pattern>
1991 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NGetLnFrm, itin,
1992 opc, dt, asm, pattern>;
1993 class NVSetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1994 dag oops, dag iops, InstrItinClass itin,
1995 string opc, string dt, string asm, list<dag> pattern>
1996 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NSetLnFrm, itin,
1997 opc, dt, asm, pattern>;
1998 class NVDup<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1999 dag oops, dag iops, InstrItinClass itin,
2000 string opc, string dt, string asm, list<dag> pattern>
2001 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NDupFrm, itin,
2002 opc, dt, asm, pattern>;
2004 // Vector Duplicate Lane (from scalar to all elements)
2005 class NVDupLane<bits<4> op19_16, bit op6, dag oops, dag iops,
2006 InstrItinClass itin, string opc, string dt, string asm,
2008 : NDataI<oops, iops, NVDupLnFrm, itin, opc, dt, asm, "", pattern> {
2009 let Inst{24-23} = 0b11;
2010 let Inst{21-20} = 0b11;
2011 let Inst{19-16} = op19_16;
2012 let Inst{11-7} = 0b11000;
2020 let Inst{22} = Vd{4};
2021 let Inst{15-12} = Vd{3-0};
2022 let Inst{5} = Vm{4};
2023 let Inst{3-0} = Vm{3-0};
2026 // NEONFPPat - Same as Pat<>, but requires that the compiler be using NEON
2027 // for single-precision FP.
2028 class NEONFPPat<dag pattern, dag result> : Pat<pattern, result> {
2029 list<Predicate> Predicates = [HasNEON,UseNEONForFP];