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 let 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 let 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, list<dag> pattern>
238 // FIXME: This really should derive from InstTemplate instead, as pseudos
239 // don't need encoding information. TableGen doesn't like that
240 // currently. Need to figure out why and fix it.
241 : InstARM<AddrModeNone, SizeSpecial, IndexModeNone, Pseudo, GenericDomain,
243 let OutOperandList = oops;
244 let InOperandList = iops;
245 let Pattern = pattern;
248 // PseudoInst that's ARM-mode only.
249 class ARMPseudoInst<dag oops, dag iops, InstrItinClass itin,
251 : PseudoInst<oops, iops, itin, pattern> {
252 // Default these to 4byte size, as they're almost always expanded to a
253 // single instruction. Any exceptions can override the SZ field value.
255 list<Predicate> Predicates = [IsARM];
259 // Almost all ARM instructions are predicable.
260 class I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
261 IndexMode im, Format f, InstrItinClass itin,
262 string opc, string asm, string cstr,
264 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
267 let OutOperandList = oops;
268 let InOperandList = !con(iops, (ins pred:$p));
269 let AsmString = !strconcat(opc, "${p}", asm);
270 let Pattern = pattern;
271 list<Predicate> Predicates = [IsARM];
274 // A few are not predicable
275 class InoP<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
276 IndexMode im, Format f, InstrItinClass itin,
277 string opc, string asm, string cstr,
279 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
280 let OutOperandList = oops;
281 let InOperandList = iops;
282 let AsmString = !strconcat(opc, asm);
283 let Pattern = pattern;
284 let isPredicable = 0;
285 list<Predicate> Predicates = [IsARM];
288 // Same as I except it can optionally modify CPSR. Note it's modeled as an input
289 // operand since by default it's a zero register. It will become an implicit def
290 // once it's "flipped".
291 class sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
292 IndexMode im, Format f, InstrItinClass itin,
293 string opc, string asm, string cstr,
295 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
296 bits<4> p; // Predicate operand
297 bits<1> s; // condition-code set flag ('1' if the insn should set the flags)
301 let OutOperandList = oops;
302 let InOperandList = !con(iops, (ins pred:$p, cc_out:$s));
303 let AsmString = !strconcat(opc, "${s}${p}", asm);
304 let Pattern = pattern;
305 list<Predicate> Predicates = [IsARM];
309 class XI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
310 IndexMode im, Format f, InstrItinClass itin,
311 string asm, string cstr, list<dag> pattern>
312 : InstARM<am, sz, im, f, GenericDomain, cstr, itin> {
313 let OutOperandList = oops;
314 let InOperandList = iops;
316 let Pattern = pattern;
317 list<Predicate> Predicates = [IsARM];
320 class AI<dag oops, dag iops, Format f, InstrItinClass itin,
321 string opc, string asm, list<dag> pattern>
322 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
323 opc, asm, "", pattern>;
324 class AsI<dag oops, dag iops, Format f, InstrItinClass itin,
325 string opc, string asm, list<dag> pattern>
326 : sI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
327 opc, asm, "", pattern>;
328 class AXI<dag oops, dag iops, Format f, InstrItinClass itin,
329 string asm, list<dag> pattern>
330 : XI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
332 class AInoP<dag oops, dag iops, Format f, InstrItinClass itin,
333 string opc, string asm, list<dag> pattern>
334 : InoP<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
335 opc, asm, "", pattern>;
337 // Ctrl flow instructions
338 class ABI<bits<4> opcod, dag oops, dag iops, InstrItinClass itin,
339 string opc, string asm, list<dag> pattern>
340 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, itin,
341 opc, asm, "", pattern> {
342 let Inst{27-24} = opcod;
344 class ABXI<bits<4> opcod, dag oops, dag iops, InstrItinClass itin,
345 string asm, list<dag> pattern>
346 : XI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, itin,
348 let Inst{27-24} = opcod;
350 class ABXIx2<dag oops, dag iops, InstrItinClass itin,
351 string asm, list<dag> pattern>
352 : XI<oops, iops, AddrModeNone, Size8Bytes, IndexModeNone, Pseudo, itin,
355 // BR_JT instructions
356 class JTI<dag oops, dag iops, InstrItinClass itin,
357 string asm, list<dag> pattern>
358 : XI<oops, iops, AddrModeNone, SizeSpecial, IndexModeNone, BrMiscFrm, itin,
361 // Atomic load/store instructions
362 class AIldrex<bits<2> opcod, dag oops, dag iops, InstrItinClass itin,
363 string opc, string asm, list<dag> pattern>
364 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, LdStExFrm, itin,
365 opc, asm, "", pattern> {
368 let Inst{27-23} = 0b00011;
369 let Inst{22-21} = opcod;
371 let Inst{19-16} = Rn;
372 let Inst{15-12} = Rt;
373 let Inst{11-0} = 0b111110011111;
375 class AIstrex<bits<2> opcod, dag oops, dag iops, InstrItinClass itin,
376 string opc, string asm, list<dag> pattern>
377 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, LdStExFrm, itin,
378 opc, asm, "", pattern> {
382 let Inst{27-23} = 0b00011;
383 let Inst{22-21} = opcod;
385 let Inst{19-16} = Rn;
386 let Inst{15-12} = Rd;
387 let Inst{11-4} = 0b11111001;
390 class AIswp<bit b, dag oops, dag iops, string opc, list<dag> pattern>
391 : AI<oops, iops, MiscFrm, NoItinerary, opc, "\t$Rt, $Rt2, [$Rn]", pattern> {
395 let Inst{27-23} = 0b00010;
397 let Inst{21-20} = 0b00;
398 let Inst{19-16} = Rn;
399 let Inst{15-12} = Rt;
400 let Inst{11-4} = 0b00001001;
404 // addrmode1 instructions
405 class AI1<bits<4> opcod, dag oops, dag iops, Format f, InstrItinClass itin,
406 string opc, string asm, list<dag> pattern>
407 : I<oops, iops, AddrMode1, Size4Bytes, IndexModeNone, f, itin,
408 opc, asm, "", pattern> {
409 let Inst{24-21} = opcod;
410 let Inst{27-26} = 0b00;
412 class AsI1<bits<4> opcod, dag oops, dag iops, Format f, InstrItinClass itin,
413 string opc, string asm, list<dag> pattern>
414 : sI<oops, iops, AddrMode1, Size4Bytes, IndexModeNone, f, itin,
415 opc, asm, "", pattern> {
416 let Inst{24-21} = opcod;
417 let Inst{27-26} = 0b00;
419 class AXI1<bits<4> opcod, dag oops, dag iops, Format f, InstrItinClass itin,
420 string asm, list<dag> pattern>
421 : XI<oops, iops, AddrMode1, Size4Bytes, IndexModeNone, f, itin,
423 let Inst{24-21} = opcod;
424 let Inst{27-26} = 0b00;
426 class AI1x2<dag oops, dag iops, Format f, InstrItinClass itin,
427 string opc, string asm, list<dag> pattern>
428 : I<oops, iops, AddrMode1, Size8Bytes, IndexModeNone, f, itin,
429 opc, asm, "", pattern>;
435 class AIldst1<bits<3> op, bit isLd, bit isByte, dag oops, dag iops, AddrMode am,
436 Format f, InstrItinClass itin, string opc, string asm,
438 : I<oops, iops, am, Size4Bytes, IndexModeNone, f, itin, opc, asm,
440 let Inst{27-25} = op;
441 let Inst{24} = 1; // 24 == P
443 let Inst{22} = isByte;
444 let Inst{21} = 0; // 21 == W
447 // Indexed load/stores
448 class AI2ldstidx<bit isLd, bit isByte, bit isPre, dag oops, dag iops,
449 IndexMode im, Format f, InstrItinClass itin, string opc,
450 string asm, string cstr, list<dag> pattern>
451 : I<oops, iops, AddrMode2, Size4Bytes, im, f, itin,
452 opc, asm, cstr, pattern> {
454 let Inst{27-26} = 0b01;
455 let Inst{24} = isPre; // P bit
456 let Inst{22} = isByte; // B bit
457 let Inst{21} = isPre; // W bit
458 let Inst{20} = isLd; // L bit
459 let Inst{15-12} = Rt;
462 class AXI2ldw<dag oops, dag iops, Format f, InstrItinClass itin,
463 string asm, list<dag> pattern>
464 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
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 AXI2ldb<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} = 1; // B bit
479 let Inst{24} = 1; // P bit
480 let Inst{27-26} = 0b01;
484 class AXI2stw<dag oops, dag iops, Format f, InstrItinClass itin,
485 string asm, list<dag> pattern>
486 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
488 let Inst{20} = 0; // L bit
489 let Inst{21} = 0; // W bit
490 let Inst{22} = 0; // B bit
491 let Inst{24} = 1; // P bit
492 let Inst{27-26} = 0b01;
494 class AXI2stb<dag oops, dag iops, Format f, InstrItinClass itin,
495 string asm, list<dag> pattern>
496 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
498 let Inst{20} = 0; // L bit
499 let Inst{21} = 0; // W bit
500 let Inst{22} = 1; // B bit
501 let Inst{24} = 1; // P bit
502 let Inst{27-26} = 0b01;
505 // addrmode3 instructions
506 class AI3<dag oops, dag iops, Format f, InstrItinClass itin,
507 string opc, string asm, list<dag> pattern>
508 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
509 opc, asm, "", pattern>;
510 class AXI3<dag oops, dag iops, Format f, InstrItinClass itin,
511 string asm, list<dag> pattern>
512 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
516 class AI3ld<bits<4> op, dag oops, dag iops, Format f, InstrItinClass itin,
517 string opc, string asm, list<dag> pattern>
518 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
519 opc, asm, "", pattern> {
522 let Inst{27-25} = 0b000;
523 let Inst{24} = 1; // P bit
524 let Inst{23} = addr{8}; // U bit
525 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
526 let Inst{21} = 0; // W bit
527 let Inst{20} = 1; // L bit
528 let Inst{19-16} = addr{12-9}; // Rn
529 let Inst{15-12} = Rt; // Rt
530 let Inst{11-8} = addr{7-4}; // imm7_4/zero
532 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
535 class AI3ldd<dag oops, dag iops, Format f, InstrItinClass itin,
536 string opc, string asm, list<dag> pattern>
537 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
538 opc, asm, "", pattern> {
540 let Inst{5} = 0; // H bit
541 let Inst{6} = 1; // S bit
543 let Inst{20} = 0; // L bit
544 let Inst{21} = 0; // W bit
545 let Inst{24} = 1; // P bit
546 let Inst{27-25} = 0b000;
550 class AI3sth<dag oops, dag iops, Format f, InstrItinClass itin,
551 string opc, string asm, list<dag> pattern>
552 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
553 opc, asm, "", pattern> {
556 let Inst{27-25} = 0b000;
557 let Inst{24} = 1; // P bit
558 let Inst{23} = addr{8}; // U bit
559 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
560 let Inst{21} = 0; // W bit
561 let Inst{20} = 0; // L bit
562 let Inst{19-16} = addr{12-9}; // Rn
563 let Inst{15-12} = Rt; // Rt
564 let Inst{11-8} = addr{7-4}; // imm7_4/zero
565 let Inst{7-4} = 0b1011;
566 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
568 class AXI3sth<dag oops, dag iops, Format f, InstrItinClass itin,
569 string asm, list<dag> pattern>
570 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
573 let Inst{5} = 1; // H bit
574 let Inst{6} = 0; // S bit
576 let Inst{20} = 0; // L bit
577 let Inst{21} = 0; // W bit
578 let Inst{24} = 1; // P bit
580 class AI3std<dag oops, dag iops, Format f, InstrItinClass itin,
581 string opc, string asm, list<dag> pattern>
582 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
583 opc, asm, "", pattern> {
585 let Inst{5} = 1; // H bit
586 let Inst{6} = 1; // S bit
588 let Inst{20} = 0; // L bit
589 let Inst{21} = 0; // W bit
590 let Inst{24} = 1; // P bit
591 let Inst{27-25} = 0b000;
595 class AI3ldhpr<dag oops, dag iops, Format f, InstrItinClass itin,
596 string opc, string asm, string cstr, list<dag> pattern>
597 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
598 opc, asm, cstr, pattern> {
600 let Inst{5} = 1; // H bit
601 let Inst{6} = 0; // S bit
603 let Inst{20} = 1; // L bit
604 let Inst{21} = 1; // W bit
605 let Inst{24} = 1; // P bit
606 let Inst{27-25} = 0b000;
608 class AI3ldshpr<dag oops, dag iops, Format f, InstrItinClass itin,
609 string opc, string asm, string cstr, list<dag> pattern>
610 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
611 opc, asm, cstr, pattern> {
614 let Inst{27-25} = 0b000;
615 let Inst{24} = 1; // P bit
616 let Inst{23} = addr{8}; // U bit
617 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
618 let Inst{21} = 1; // W bit
619 let Inst{20} = 1; // L bit
620 let Inst{19-16} = addr{12-9}; // Rn
621 let Inst{15-12} = Rt; // Rt
622 let Inst{11-8} = addr{7-4}; // imm7_4/zero
623 let Inst{7-4} = 0b1111;
624 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
626 class AI3ldsbpr<dag oops, dag iops, Format f, InstrItinClass itin,
627 string opc, string asm, string cstr, list<dag> pattern>
628 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
629 opc, asm, cstr, pattern> {
631 let Inst{5} = 0; // H bit
632 let Inst{6} = 1; // S bit
634 let Inst{20} = 1; // L bit
635 let Inst{21} = 1; // W bit
636 let Inst{24} = 1; // P bit
637 let Inst{27-25} = 0b000;
639 class AI3lddpr<dag oops, dag iops, Format f, InstrItinClass itin,
640 string opc, string asm, string cstr, list<dag> pattern>
641 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
642 opc, asm, cstr, pattern> {
644 let Inst{5} = 0; // H bit
645 let Inst{6} = 1; // S bit
647 let Inst{20} = 0; // L bit
648 let Inst{21} = 1; // W bit
649 let Inst{24} = 1; // P bit
650 let Inst{27-25} = 0b000;
654 // Pre-indexed stores
655 class AI3sthpr<dag oops, dag iops, Format f, InstrItinClass itin,
656 string opc, string asm, string cstr, list<dag> pattern>
657 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
658 opc, asm, cstr, pattern> {
660 let Inst{5} = 1; // H bit
661 let Inst{6} = 0; // S bit
663 let Inst{20} = 0; // L bit
664 let Inst{21} = 1; // W bit
665 let Inst{24} = 1; // P bit
666 let Inst{27-25} = 0b000;
668 class AI3stdpr<dag oops, dag iops, Format f, InstrItinClass itin,
669 string opc, string asm, string cstr, list<dag> pattern>
670 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
671 opc, asm, cstr, pattern> {
673 let Inst{5} = 1; // H bit
674 let Inst{6} = 1; // S bit
676 let Inst{20} = 0; // L bit
677 let Inst{21} = 1; // W bit
678 let Inst{24} = 1; // P bit
679 let Inst{27-25} = 0b000;
682 // Post-indexed loads
683 class AI3ldhpo<dag oops, dag iops, Format f, InstrItinClass itin,
684 string opc, string asm, string cstr, list<dag> pattern>
685 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
686 opc, asm, cstr,pattern> {
688 let Inst{5} = 1; // H bit
689 let Inst{6} = 0; // S bit
691 let Inst{20} = 1; // L bit
692 let Inst{21} = 0; // W bit
693 let Inst{24} = 0; // P bit
694 let Inst{27-25} = 0b000;
696 class AI3ldshpo<dag oops, dag iops, Format f, InstrItinClass itin,
697 string opc, string asm, string cstr, list<dag> pattern>
698 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
699 opc, asm, cstr,pattern> {
703 let Inst{27-25} = 0b000;
704 let Inst{24} = 0; // P bit
705 let Inst{23} = offset{8}; // U bit
706 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
707 let Inst{21} = 0; // W bit
708 let Inst{20} = 1; // L bit
709 let Inst{19-16} = Rn; // Rn
710 let Inst{15-12} = Rt; // Rt
711 let Inst{11-8} = offset{7-4}; // imm7_4/zero
712 let Inst{7-4} = 0b1111;
713 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
715 class AI3ldsbpo<dag oops, dag iops, Format f, InstrItinClass itin,
716 string opc, string asm, string cstr, list<dag> pattern>
717 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
718 opc, asm, cstr,pattern> {
720 let Inst{5} = 0; // H bit
721 let Inst{6} = 1; // S bit
723 let Inst{20} = 1; // L bit
724 let Inst{21} = 0; // W bit
725 let Inst{24} = 0; // P bit
726 let Inst{27-25} = 0b000;
728 class AI3lddpo<dag oops, dag iops, Format f, InstrItinClass itin,
729 string opc, string asm, string cstr, list<dag> pattern>
730 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
731 opc, asm, cstr, pattern> {
733 let Inst{5} = 0; // H bit
734 let Inst{6} = 1; // S bit
736 let Inst{20} = 0; // L bit
737 let Inst{21} = 0; // W bit
738 let Inst{24} = 0; // P bit
739 let Inst{27-25} = 0b000;
742 // Post-indexed stores
743 class AI3sthpo<dag oops, dag iops, Format f, InstrItinClass itin,
744 string opc, string asm, string cstr, list<dag> pattern>
745 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
746 opc, asm, cstr,pattern> {
748 let Inst{5} = 1; // H bit
749 let Inst{6} = 0; // S bit
751 let Inst{20} = 0; // L bit
752 let Inst{21} = 0; // W bit
753 let Inst{24} = 0; // P bit
754 let Inst{27-25} = 0b000;
756 class AI3stdpo<dag oops, dag iops, Format f, InstrItinClass itin,
757 string opc, string asm, string cstr, list<dag> pattern>
758 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
759 opc, asm, cstr, pattern> {
761 let Inst{5} = 1; // H bit
762 let Inst{6} = 1; // S bit
764 let Inst{20} = 0; // L bit
765 let Inst{21} = 0; // W bit
766 let Inst{24} = 0; // P bit
767 let Inst{27-25} = 0b000;
770 // addrmode4 instructions
771 class AXI4<dag oops, dag iops, IndexMode im, Format f, InstrItinClass itin,
772 string asm, string cstr, list<dag> pattern>
773 : XI<oops, iops, AddrMode4, Size4Bytes, im, f, itin, asm, cstr, pattern> {
778 let Inst{27-25} = 0b100;
779 let Inst{22} = 0; // S bit
780 let Inst{19-16} = Rn;
781 let Inst{15-0} = regs;
784 // Unsigned multiply, multiply-accumulate instructions.
785 class AMul1I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
786 string opc, string asm, list<dag> pattern>
787 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
788 opc, asm, "", pattern> {
789 let Inst{7-4} = 0b1001;
790 let Inst{20} = 0; // S bit
791 let Inst{27-21} = opcod;
793 class AsMul1I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
794 string opc, string asm, list<dag> pattern>
795 : sI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
796 opc, asm, "", pattern> {
797 let Inst{7-4} = 0b1001;
798 let Inst{27-21} = opcod;
801 // Most significant word multiply
802 class AMul2I<bits<7> opcod, bits<4> opc7_4, dag oops, dag iops,
803 InstrItinClass itin, string opc, string asm, list<dag> pattern>
804 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
805 opc, asm, "", pattern> {
809 let Inst{7-4} = opc7_4;
811 let Inst{27-21} = opcod;
812 let Inst{19-16} = Rd;
816 // MSW multiple w/ Ra operand
817 class AMul2Ia<bits<7> opcod, bits<4> opc7_4, dag oops, dag iops,
818 InstrItinClass itin, string opc, string asm, list<dag> pattern>
819 : AMul2I<opcod, opc7_4, oops, iops, itin, opc, asm, pattern> {
821 let Inst{15-12} = Ra;
824 // SMUL<x><y> / SMULW<y> / SMLA<x><y> / SMLAW<x><y>
825 class AMulxyIbase<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
826 InstrItinClass itin, string opc, string asm, list<dag> pattern>
827 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
828 opc, asm, "", pattern> {
834 let Inst{27-21} = opcod;
835 let Inst{6-5} = bit6_5;
839 class AMulxyI<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
840 InstrItinClass itin, string opc, string asm, list<dag> pattern>
841 : AMulxyIbase<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
843 let Inst{19-16} = Rd;
846 // AMulxyI with Ra operand
847 class AMulxyIa<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
848 InstrItinClass itin, string opc, string asm, list<dag> pattern>
849 : AMulxyI<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
851 let Inst{15-12} = Ra;
854 class AMulxyI64<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
855 InstrItinClass itin, string opc, string asm, list<dag> pattern>
856 : AMulxyIbase<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
859 let Inst{19-16} = RdHi;
860 let Inst{15-12} = RdLo;
863 // Extend instructions.
864 class AExtI<bits<8> opcod, dag oops, dag iops, InstrItinClass itin,
865 string opc, string asm, list<dag> pattern>
866 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ExtFrm, itin,
867 opc, asm, "", pattern> {
868 // All AExtI instructions have Rd and Rm register operands.
871 let Inst{15-12} = Rd;
873 let Inst{7-4} = 0b0111;
874 let Inst{9-8} = 0b00;
875 let Inst{27-20} = opcod;
878 // Misc Arithmetic instructions.
879 class AMiscA1I<bits<8> opcod, bits<4> opc7_4, dag oops, dag iops,
880 InstrItinClass itin, string opc, string asm, list<dag> pattern>
881 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ArithMiscFrm, itin,
882 opc, asm, "", pattern> {
885 let Inst{27-20} = opcod;
886 let Inst{19-16} = 0b1111;
887 let Inst{15-12} = Rd;
888 let Inst{11-8} = 0b1111;
889 let Inst{7-4} = opc7_4;
894 class APKHI<bits<8> opcod, bit tb, dag oops, dag iops, InstrItinClass itin,
895 string opc, string asm, list<dag> pattern>
896 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ArithMiscFrm, itin,
897 opc, asm, "", pattern> {
902 let Inst{27-20} = opcod;
903 let Inst{19-16} = Rn;
904 let Inst{15-12} = Rd;
905 let Inst{11-7} = sh{7-3};
907 let Inst{5-4} = 0b01;
911 //===----------------------------------------------------------------------===//
913 // ARMPat - Same as Pat<>, but requires that the compiler be in ARM mode.
914 class ARMPat<dag pattern, dag result> : Pat<pattern, result> {
915 list<Predicate> Predicates = [IsARM];
917 class ARMV5TEPat<dag pattern, dag result> : Pat<pattern, result> {
918 list<Predicate> Predicates = [IsARM, HasV5TE];
920 class ARMV6Pat<dag pattern, dag result> : Pat<pattern, result> {
921 list<Predicate> Predicates = [IsARM, HasV6];
924 //===----------------------------------------------------------------------===//
926 // Thumb Instruction Format Definitions.
929 // TI - Thumb instruction.
931 class ThumbI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
932 InstrItinClass itin, string asm, string cstr, list<dag> pattern>
933 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
934 let OutOperandList = oops;
935 let InOperandList = iops;
937 let Pattern = pattern;
938 list<Predicate> Predicates = [IsThumb];
941 class TI<dag oops, dag iops, InstrItinClass itin, string asm, list<dag> pattern>
942 : ThumbI<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "", pattern>;
944 // Two-address instructions
945 class TIt<dag oops, dag iops, InstrItinClass itin, string asm,
947 : ThumbI<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "$lhs = $dst",
950 // tBL, tBX 32-bit instructions
951 class TIx2<bits<5> opcod1, bits<2> opcod2, bit opcod3,
952 dag oops, dag iops, InstrItinClass itin, string asm,
954 : ThumbI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>,
956 let Inst{31-27} = opcod1;
957 let Inst{15-14} = opcod2;
958 let Inst{12} = opcod3;
961 // BR_JT instructions
962 class TJTI<dag oops, dag iops, InstrItinClass itin, string asm,
964 : ThumbI<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
967 class Thumb1I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
968 InstrItinClass itin, string asm, string cstr, list<dag> pattern>
969 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
970 let OutOperandList = oops;
971 let InOperandList = iops;
973 let Pattern = pattern;
974 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
977 class T1I<dag oops, dag iops, InstrItinClass itin,
978 string asm, list<dag> pattern>
979 : Thumb1I<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "", pattern>;
980 class T1Ix2<dag oops, dag iops, InstrItinClass itin,
981 string asm, list<dag> pattern>
982 : Thumb1I<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>;
983 class T1JTI<dag oops, dag iops, InstrItinClass itin,
984 string asm, list<dag> pattern>
985 : Thumb1I<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
987 // Two-address instructions
988 class T1It<dag oops, dag iops, InstrItinClass itin,
989 string asm, string cstr, list<dag> pattern>
990 : Thumb1I<oops, iops, AddrModeNone, Size2Bytes, itin,
993 // Thumb1 instruction that can either be predicated or set CPSR.
994 class Thumb1sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
996 string opc, string asm, string cstr, list<dag> pattern>
997 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
998 let OutOperandList = !con(oops, (outs s_cc_out:$s));
999 let InOperandList = !con(iops, (ins pred:$p));
1000 let AsmString = !strconcat(opc, "${s}${p}", asm);
1001 let Pattern = pattern;
1002 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1005 class T1sI<dag oops, dag iops, InstrItinClass itin,
1006 string opc, string asm, list<dag> pattern>
1007 : Thumb1sI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm, "", pattern>;
1009 // Two-address instructions
1010 class T1sIt<dag oops, dag iops, InstrItinClass itin,
1011 string opc, string asm, list<dag> pattern>
1012 : Thumb1sI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm,
1013 "$lhs = $dst", pattern>;
1015 // Thumb1 instruction that can be predicated.
1016 class Thumb1pI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1017 InstrItinClass itin,
1018 string opc, string asm, string cstr, list<dag> pattern>
1019 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1020 let OutOperandList = oops;
1021 let InOperandList = !con(iops, (ins pred:$p));
1022 let AsmString = !strconcat(opc, "${p}", asm);
1023 let Pattern = pattern;
1024 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1027 class T1pI<dag oops, dag iops, InstrItinClass itin,
1028 string opc, string asm, list<dag> pattern>
1029 : Thumb1pI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm, "", pattern>;
1031 // Two-address instructions
1032 class T1pIt<dag oops, dag iops, InstrItinClass itin,
1033 string opc, string asm, list<dag> pattern>
1034 : Thumb1pI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm,
1035 "$lhs = $dst", pattern>;
1037 class T1pI1<dag oops, dag iops, InstrItinClass itin,
1038 string opc, string asm, list<dag> pattern>
1039 : Thumb1pI<oops, iops, AddrModeT1_1, Size2Bytes, itin, opc, asm, "", pattern>;
1040 class T1pI2<dag oops, dag iops, InstrItinClass itin,
1041 string opc, string asm, list<dag> pattern>
1042 : Thumb1pI<oops, iops, AddrModeT1_2, Size2Bytes, itin, opc, asm, "", pattern>;
1043 class T1pI4<dag oops, dag iops, InstrItinClass itin,
1044 string opc, string asm, list<dag> pattern>
1045 : Thumb1pI<oops, iops, AddrModeT1_4, Size2Bytes, itin, opc, asm, "", pattern>;
1046 class T1pIs<dag oops, dag iops,
1047 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1048 : Thumb1pI<oops, iops, AddrModeT1_s, Size2Bytes, itin, opc, asm, "", pattern>;
1050 class Encoding16 : Encoding {
1051 let Inst{31-16} = 0x0000;
1054 // A6.2 16-bit Thumb instruction encoding
1055 class T1Encoding<bits<6> opcode> : Encoding16 {
1056 let Inst{15-10} = opcode;
1059 // A6.2.1 Shift (immediate), add, subtract, move, and compare encoding.
1060 class T1General<bits<5> opcode> : Encoding16 {
1061 let Inst{15-14} = 0b00;
1062 let Inst{13-9} = opcode;
1065 // A6.2.2 Data-processing encoding.
1066 class T1DataProcessing<bits<4> opcode> : Encoding16 {
1067 let Inst{15-10} = 0b010000;
1068 let Inst{9-6} = opcode;
1071 // A6.2.3 Special data instructions and branch and exchange encoding.
1072 class T1Special<bits<4> opcode> : Encoding16 {
1073 let Inst{15-10} = 0b010001;
1074 let Inst{9-6} = opcode;
1077 // A6.2.4 Load/store single data item encoding.
1078 class T1LoadStore<bits<4> opA, bits<3> opB> : Encoding16 {
1079 let Inst{15-12} = opA;
1080 let Inst{11-9} = opB;
1082 class T1LdSt<bits<3> opB> : T1LoadStore<0b0101, opB>;
1083 class T1LdSt4Imm<bits<3> opB> : T1LoadStore<0b0110, opB>; // Immediate, 4 bytes
1084 class T1LdSt1Imm<bits<3> opB> : T1LoadStore<0b0111, opB>; // Immediate, 1 byte
1085 class T1LdSt2Imm<bits<3> opB> : T1LoadStore<0b1000, opB>; // Immediate, 2 bytes
1086 class T1LdStSP<bits<3> opB> : T1LoadStore<0b1001, opB>; // SP relative
1088 // A6.2.5 Miscellaneous 16-bit instructions encoding.
1089 class T1Misc<bits<7> opcode> : Encoding16 {
1090 let Inst{15-12} = 0b1011;
1091 let Inst{11-5} = opcode;
1094 // Thumb2I - Thumb2 instruction. Almost all Thumb2 instructions are predicable.
1095 class Thumb2I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1096 InstrItinClass itin,
1097 string opc, string asm, string cstr, list<dag> pattern>
1098 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1099 let OutOperandList = oops;
1100 let InOperandList = !con(iops, (ins pred:$p));
1101 let AsmString = !strconcat(opc, "${p}", asm);
1102 let Pattern = pattern;
1103 list<Predicate> Predicates = [IsThumb2];
1106 // Same as Thumb2I except it can optionally modify CPSR. Note it's modeled as an
1107 // input operand since by default it's a zero register. It will become an
1108 // implicit def once it's "flipped".
1110 // FIXME: This uses unified syntax so {s} comes before {p}. We should make it
1112 class Thumb2sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1113 InstrItinClass itin,
1114 string opc, string asm, string cstr, list<dag> pattern>
1115 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1116 let OutOperandList = oops;
1117 let InOperandList = !con(iops, (ins pred:$p, cc_out:$s));
1118 let AsmString = !strconcat(opc, "${s}${p}", asm);
1119 let Pattern = pattern;
1120 list<Predicate> Predicates = [IsThumb2];
1124 class Thumb2XI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1125 InstrItinClass itin,
1126 string asm, string cstr, list<dag> pattern>
1127 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1128 let OutOperandList = oops;
1129 let InOperandList = iops;
1130 let AsmString = asm;
1131 let Pattern = pattern;
1132 list<Predicate> Predicates = [IsThumb2];
1135 class ThumbXI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1136 InstrItinClass itin,
1137 string asm, string cstr, list<dag> pattern>
1138 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1139 let OutOperandList = oops;
1140 let InOperandList = iops;
1141 let AsmString = asm;
1142 let Pattern = pattern;
1143 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1146 class T2I<dag oops, dag iops, InstrItinClass itin,
1147 string opc, string asm, list<dag> pattern>
1148 : Thumb2I<oops, iops, AddrModeNone, Size4Bytes, itin, opc, asm, "", pattern>;
1149 class T2Ii12<dag oops, dag iops, InstrItinClass itin,
1150 string opc, string asm, list<dag> pattern>
1151 : Thumb2I<oops, iops, AddrModeT2_i12, Size4Bytes, itin, opc, asm, "",pattern>;
1152 class T2Ii8<dag oops, dag iops, InstrItinClass itin,
1153 string opc, string asm, list<dag> pattern>
1154 : Thumb2I<oops, iops, AddrModeT2_i8, Size4Bytes, itin, opc, asm, "", pattern>;
1155 class T2Iso<dag oops, dag iops, InstrItinClass itin,
1156 string opc, string asm, list<dag> pattern>
1157 : Thumb2I<oops, iops, AddrModeT2_so, Size4Bytes, itin, opc, asm, "", pattern>;
1158 class T2Ipc<dag oops, dag iops, InstrItinClass itin,
1159 string opc, string asm, list<dag> pattern>
1160 : Thumb2I<oops, iops, AddrModeT2_pc, Size4Bytes, itin, opc, asm, "", pattern>;
1161 class T2Ii8s4<bit P, bit W, bit load, dag oops, dag iops, InstrItinClass itin,
1162 string opc, string asm, list<dag> pattern>
1163 : Thumb2I<oops, iops, AddrModeT2_i8s4, Size4Bytes, itin, opc, asm, "",
1165 let Inst{31-27} = 0b11101;
1166 let Inst{26-25} = 0b00;
1168 let Inst{23} = ?; // The U bit.
1171 let Inst{20} = load;
1174 class T2sI<dag oops, dag iops, InstrItinClass itin,
1175 string opc, string asm, list<dag> pattern>
1176 : Thumb2sI<oops, iops, AddrModeNone, Size4Bytes, itin, opc, asm, "", pattern>;
1178 class T2XI<dag oops, dag iops, InstrItinClass itin,
1179 string asm, list<dag> pattern>
1180 : Thumb2XI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>;
1181 class T2JTI<dag oops, dag iops, InstrItinClass itin,
1182 string asm, list<dag> pattern>
1183 : Thumb2XI<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
1185 class T2Ix2<dag oops, dag iops, InstrItinClass itin,
1186 string opc, string asm, list<dag> pattern>
1187 : Thumb2I<oops, iops, AddrModeNone, Size8Bytes, itin, opc, asm, "", pattern>;
1189 // Two-address instructions
1190 class T2XIt<dag oops, dag iops, InstrItinClass itin,
1191 string asm, string cstr, list<dag> pattern>
1192 : Thumb2XI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, cstr, pattern>;
1194 // T2Iidxldst - Thumb2 indexed load / store instructions.
1195 class T2Iidxldst<bit signed, bits<2> opcod, bit load, bit pre,
1197 AddrMode am, IndexMode im, InstrItinClass itin,
1198 string opc, string asm, string cstr, list<dag> pattern>
1199 : InstARM<am, Size4Bytes, im, ThumbFrm, GenericDomain, cstr, itin> {
1200 let OutOperandList = oops;
1201 let InOperandList = !con(iops, (ins pred:$p));
1202 let AsmString = !strconcat(opc, "${p}", asm);
1203 let Pattern = pattern;
1204 list<Predicate> Predicates = [IsThumb2];
1205 let Inst{31-27} = 0b11111;
1206 let Inst{26-25} = 0b00;
1207 let Inst{24} = signed;
1209 let Inst{22-21} = opcod;
1210 let Inst{20} = load;
1212 // (P, W) = (1, 1) Pre-indexed or (0, 1) Post-indexed
1213 let Inst{10} = pre; // The P bit.
1214 let Inst{8} = 1; // The W bit.
1217 // Tv5Pat - Same as Pat<>, but requires V5T Thumb mode.
1218 class Tv5Pat<dag pattern, dag result> : Pat<pattern, result> {
1219 list<Predicate> Predicates = [IsThumb, IsThumb1Only, HasV5T];
1222 // T1Pat - Same as Pat<>, but requires that the compiler be in Thumb1 mode.
1223 class T1Pat<dag pattern, dag result> : Pat<pattern, result> {
1224 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1227 // T2Pat - Same as Pat<>, but requires that the compiler be in Thumb2 mode.
1228 class T2Pat<dag pattern, dag result> : Pat<pattern, result> {
1229 list<Predicate> Predicates = [IsThumb2];
1232 //===----------------------------------------------------------------------===//
1234 //===----------------------------------------------------------------------===//
1235 // ARM VFP Instruction templates.
1238 // Almost all VFP instructions are predicable.
1239 class VFPI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1240 IndexMode im, Format f, InstrItinClass itin,
1241 string opc, string asm, string cstr, list<dag> pattern>
1242 : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
1244 let Inst{31-28} = p;
1245 let OutOperandList = oops;
1246 let InOperandList = !con(iops, (ins pred:$p));
1247 let AsmString = !strconcat(opc, "${p}", asm);
1248 let Pattern = pattern;
1249 list<Predicate> Predicates = [HasVFP2];
1253 class VFPXI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1254 IndexMode im, Format f, InstrItinClass itin,
1255 string asm, string cstr, list<dag> pattern>
1256 : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
1258 let Inst{31-28} = p;
1259 let OutOperandList = oops;
1260 let InOperandList = iops;
1261 let AsmString = asm;
1262 let Pattern = pattern;
1263 list<Predicate> Predicates = [HasVFP2];
1266 class VFPAI<dag oops, dag iops, Format f, InstrItinClass itin,
1267 string opc, string asm, list<dag> pattern>
1268 : VFPI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
1269 opc, asm, "", pattern>;
1271 // ARM VFP addrmode5 loads and stores
1272 class ADI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
1273 InstrItinClass itin,
1274 string opc, string asm, list<dag> pattern>
1275 : VFPI<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
1276 VFPLdStFrm, itin, opc, asm, "", pattern> {
1277 // Instruction operands.
1281 // Encode instruction operands.
1282 let Inst{23} = addr{8}; // U (add = (U == '1'))
1283 let Inst{22} = Dd{4};
1284 let Inst{19-16} = addr{12-9}; // Rn
1285 let Inst{15-12} = Dd{3-0};
1286 let Inst{7-0} = addr{7-0}; // imm8
1288 // TODO: Mark the instructions with the appropriate subtarget info.
1289 let Inst{27-24} = opcod1;
1290 let Inst{21-20} = opcod2;
1291 let Inst{11-9} = 0b101;
1292 let Inst{8} = 1; // Double precision
1294 // 64-bit loads & stores operate on both NEON and VFP pipelines.
1295 let D = VFPNeonDomain;
1298 class ASI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
1299 InstrItinClass itin,
1300 string opc, string asm, list<dag> pattern>
1301 : VFPI<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
1302 VFPLdStFrm, itin, opc, asm, "", pattern> {
1303 // Instruction operands.
1307 // Encode instruction operands.
1308 let Inst{23} = addr{8}; // U (add = (U == '1'))
1309 let Inst{22} = Sd{0};
1310 let Inst{19-16} = addr{12-9}; // Rn
1311 let Inst{15-12} = Sd{4-1};
1312 let Inst{7-0} = addr{7-0}; // imm8
1314 // TODO: Mark the instructions with the appropriate subtarget info.
1315 let Inst{27-24} = opcod1;
1316 let Inst{21-20} = opcod2;
1317 let Inst{11-9} = 0b101;
1318 let Inst{8} = 0; // Single precision
1321 // VFP Load / store multiple pseudo instructions.
1322 class PseudoVFPLdStM<dag oops, dag iops, InstrItinClass itin, string cstr,
1324 : InstARM<AddrMode4, Size4Bytes, IndexModeNone, Pseudo, VFPNeonDomain,
1326 let OutOperandList = oops;
1327 let InOperandList = !con(iops, (ins pred:$p));
1328 let Pattern = pattern;
1329 list<Predicate> Predicates = [HasVFP2];
1332 // Load / store multiple
1333 class AXDI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
1334 string asm, string cstr, list<dag> pattern>
1335 : VFPXI<oops, iops, AddrMode4, Size4Bytes, im,
1336 VFPLdStMulFrm, itin, asm, cstr, pattern> {
1337 // Instruction operands.
1341 // Encode instruction operands.
1342 let Inst{19-16} = Rn;
1343 let Inst{22} = regs{12};
1344 let Inst{15-12} = regs{11-8};
1345 let Inst{7-0} = regs{7-0};
1347 // TODO: Mark the instructions with the appropriate subtarget info.
1348 let Inst{27-25} = 0b110;
1349 let Inst{11-9} = 0b101;
1350 let Inst{8} = 1; // Double precision
1352 // 64-bit loads & stores operate on both NEON and VFP pipelines.
1353 let D = VFPNeonDomain;
1356 class AXSI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
1357 string asm, string cstr, list<dag> pattern>
1358 : VFPXI<oops, iops, AddrMode4, Size4Bytes, im,
1359 VFPLdStMulFrm, itin, asm, cstr, pattern> {
1360 // Instruction operands.
1364 // Encode instruction operands.
1365 let Inst{19-16} = Rn;
1366 let Inst{22} = regs{8};
1367 let Inst{15-12} = regs{12-9};
1368 let Inst{7-0} = regs{7-0};
1370 // TODO: Mark the instructions with the appropriate subtarget info.
1371 let Inst{27-25} = 0b110;
1372 let Inst{11-9} = 0b101;
1373 let Inst{8} = 0; // Single precision
1376 // Double precision, unary
1377 class ADuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1378 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1379 string asm, list<dag> pattern>
1380 : VFPAI<oops, iops, VFPUnaryFrm, itin, opc, asm, pattern> {
1381 // Instruction operands.
1385 // Encode instruction operands.
1386 let Inst{3-0} = Dm{3-0};
1387 let Inst{5} = Dm{4};
1388 let Inst{15-12} = Dd{3-0};
1389 let Inst{22} = Dd{4};
1391 let Inst{27-23} = opcod1;
1392 let Inst{21-20} = opcod2;
1393 let Inst{19-16} = opcod3;
1394 let Inst{11-9} = 0b101;
1395 let Inst{8} = 1; // Double precision
1396 let Inst{7-6} = opcod4;
1397 let Inst{4} = opcod5;
1400 // Double precision, binary
1401 class ADbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1402 dag iops, InstrItinClass itin, string opc, string asm,
1404 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1405 // Instruction operands.
1410 // Encode instruction operands.
1411 let Inst{3-0} = Dm{3-0};
1412 let Inst{5} = Dm{4};
1413 let Inst{19-16} = Dn{3-0};
1414 let Inst{7} = Dn{4};
1415 let Inst{15-12} = Dd{3-0};
1416 let Inst{22} = Dd{4};
1418 let Inst{27-23} = opcod1;
1419 let Inst{21-20} = opcod2;
1420 let Inst{11-9} = 0b101;
1421 let Inst{8} = 1; // Double precision
1426 // Single precision, unary
1427 class ASuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1428 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1429 string asm, list<dag> pattern>
1430 : VFPAI<oops, iops, VFPUnaryFrm, itin, opc, asm, pattern> {
1431 // Instruction operands.
1435 // Encode instruction operands.
1436 let Inst{3-0} = Sm{4-1};
1437 let Inst{5} = Sm{0};
1438 let Inst{15-12} = Sd{4-1};
1439 let Inst{22} = Sd{0};
1441 let Inst{27-23} = opcod1;
1442 let Inst{21-20} = opcod2;
1443 let Inst{19-16} = opcod3;
1444 let Inst{11-9} = 0b101;
1445 let Inst{8} = 0; // Single precision
1446 let Inst{7-6} = opcod4;
1447 let Inst{4} = opcod5;
1450 // Single precision unary, if no NEON
1451 // Same as ASuI except not available if NEON is enabled
1452 class ASuIn<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1453 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1454 string asm, list<dag> pattern>
1455 : ASuI<opcod1, opcod2, opcod3, opcod4, opcod5, oops, iops, itin, opc, asm,
1457 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1460 // Single precision, binary
1461 class ASbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops, dag iops,
1462 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1463 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1464 // Instruction operands.
1469 // Encode instruction operands.
1470 let Inst{3-0} = Sm{4-1};
1471 let Inst{5} = Sm{0};
1472 let Inst{19-16} = Sn{4-1};
1473 let Inst{7} = Sn{0};
1474 let Inst{15-12} = Sd{4-1};
1475 let Inst{22} = Sd{0};
1477 let Inst{27-23} = opcod1;
1478 let Inst{21-20} = opcod2;
1479 let Inst{11-9} = 0b101;
1480 let Inst{8} = 0; // Single precision
1485 // Single precision binary, if no NEON
1486 // Same as ASbI except not available if NEON is enabled
1487 class ASbIn<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1488 dag iops, InstrItinClass itin, string opc, string asm,
1490 : ASbI<opcod1, opcod2, op6, op4, oops, iops, itin, opc, asm, pattern> {
1491 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1493 // Instruction operands.
1498 // Encode instruction operands.
1499 let Inst{3-0} = Sm{4-1};
1500 let Inst{5} = Sm{0};
1501 let Inst{19-16} = Sn{4-1};
1502 let Inst{7} = Sn{0};
1503 let Inst{15-12} = Sd{4-1};
1504 let Inst{22} = Sd{0};
1507 // VFP conversion instructions
1508 class AVConv1I<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<4> opcod4,
1509 dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1511 : VFPAI<oops, iops, VFPConv1Frm, itin, opc, asm, pattern> {
1512 let Inst{27-23} = opcod1;
1513 let Inst{21-20} = opcod2;
1514 let Inst{19-16} = opcod3;
1515 let Inst{11-8} = opcod4;
1520 // VFP conversion between floating-point and fixed-point
1521 class AVConv1XI<bits<5> op1, bits<2> op2, bits<4> op3, bits<4> op4, bit op5,
1522 dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1524 : AVConv1I<op1, op2, op3, op4, oops, iops, itin, opc, asm, pattern> {
1525 // size (fixed-point number): sx == 0 ? 16 : 32
1526 let Inst{7} = op5; // sx
1529 // VFP conversion instructions, if no NEON
1530 class AVConv1In<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<4> opcod4,
1531 dag oops, dag iops, InstrItinClass itin,
1532 string opc, string asm, list<dag> pattern>
1533 : AVConv1I<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm,
1535 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1538 class AVConvXI<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops, Format f,
1539 InstrItinClass itin,
1540 string opc, string asm, list<dag> pattern>
1541 : VFPAI<oops, iops, f, itin, opc, asm, pattern> {
1542 let Inst{27-20} = opcod1;
1543 let Inst{11-8} = opcod2;
1547 class AVConv2I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1548 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1549 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv2Frm, itin, opc, asm, pattern>;
1551 class AVConv3I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1552 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1553 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv3Frm, itin, opc, asm, pattern>;
1555 class AVConv4I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1556 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1557 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv4Frm, itin, opc, asm, pattern>;
1559 class AVConv5I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1560 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1561 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv5Frm, itin, opc, asm, pattern>;
1563 //===----------------------------------------------------------------------===//
1565 //===----------------------------------------------------------------------===//
1566 // ARM NEON Instruction templates.
1569 class NeonI<dag oops, dag iops, AddrMode am, IndexMode im, Format f,
1570 InstrItinClass itin, string opc, string dt, string asm, string cstr,
1572 : InstARM<am, Size4Bytes, im, f, NeonDomain, cstr, itin> {
1573 let OutOperandList = oops;
1574 let InOperandList = !con(iops, (ins pred:$p));
1575 let AsmString = !strconcat(opc, "${p}", ".", dt, "\t", asm);
1576 let Pattern = pattern;
1577 list<Predicate> Predicates = [HasNEON];
1580 // Same as NeonI except it does not have a "data type" specifier.
1581 class NeonXI<dag oops, dag iops, AddrMode am, IndexMode im, Format f,
1582 InstrItinClass itin, string opc, string asm, string cstr,
1584 : InstARM<am, Size4Bytes, im, f, NeonDomain, cstr, itin> {
1585 let OutOperandList = oops;
1586 let InOperandList = !con(iops, (ins pred:$p));
1587 let AsmString = !strconcat(opc, "${p}", "\t", asm);
1588 let Pattern = pattern;
1589 list<Predicate> Predicates = [HasNEON];
1592 class NLdSt<bit op23, bits<2> op21_20, bits<4> op11_8, bits<4> op7_4,
1593 dag oops, dag iops, InstrItinClass itin,
1594 string opc, string dt, string asm, string cstr, list<dag> pattern>
1595 : NeonI<oops, iops, AddrMode6, IndexModeNone, NLdStFrm, itin, opc, dt, asm,
1597 let Inst{31-24} = 0b11110100;
1598 let Inst{23} = op23;
1599 let Inst{21-20} = op21_20;
1600 let Inst{11-8} = op11_8;
1601 let Inst{7-4} = op7_4;
1603 let PostEncoderMethod = "NEONThumb2LoadStorePostEncoder";
1609 let Inst{22} = Vd{4};
1610 let Inst{15-12} = Vd{3-0};
1611 let Inst{19-16} = Rn{3-0};
1612 let Inst{3-0} = Rm{3-0};
1615 class NLdStLn<bit op23, bits<2> op21_20, bits<4> op11_8, bits<4> op7_4,
1616 dag oops, dag iops, InstrItinClass itin,
1617 string opc, string dt, string asm, string cstr, list<dag> pattern>
1618 : NLdSt<op23, op21_20, op11_8, op7_4, oops, iops, itin, opc,
1619 dt, asm, cstr, pattern> {
1623 class PseudoNLdSt<dag oops, dag iops, InstrItinClass itin, string cstr>
1624 : InstARM<AddrMode6, Size4Bytes, IndexModeNone, Pseudo, NeonDomain, cstr,
1626 let OutOperandList = oops;
1627 let InOperandList = !con(iops, (ins pred:$p));
1628 list<Predicate> Predicates = [HasNEON];
1631 class PseudoNeonI<dag oops, dag iops, InstrItinClass itin, string cstr,
1633 : InstARM<AddrModeNone, Size4Bytes, IndexModeNone, Pseudo, NeonDomain, cstr,
1635 let OutOperandList = oops;
1636 let InOperandList = !con(iops, (ins pred:$p));
1637 let Pattern = pattern;
1638 list<Predicate> Predicates = [HasNEON];
1641 class NDataI<dag oops, dag iops, Format f, InstrItinClass itin,
1642 string opc, string dt, string asm, string cstr, list<dag> pattern>
1643 : NeonI<oops, iops, AddrModeNone, IndexModeNone, f, itin, opc, dt, asm, cstr,
1645 let Inst{31-25} = 0b1111001;
1646 let PostEncoderMethod = "NEONThumb2DataIPostEncoder";
1649 class NDataXI<dag oops, dag iops, Format f, InstrItinClass itin,
1650 string opc, string asm, string cstr, list<dag> pattern>
1651 : NeonXI<oops, iops, AddrModeNone, IndexModeNone, f, itin, opc, asm,
1653 let Inst{31-25} = 0b1111001;
1656 // NEON "one register and a modified immediate" format.
1657 class N1ModImm<bit op23, bits<3> op21_19, bits<4> op11_8, bit op7, bit op6,
1659 dag oops, dag iops, InstrItinClass itin,
1660 string opc, string dt, string asm, string cstr,
1662 : NDataI<oops, iops, N1RegModImmFrm, itin, opc, dt, asm, cstr, pattern> {
1663 let Inst{23} = op23;
1664 let Inst{21-19} = op21_19;
1665 let Inst{11-8} = op11_8;
1671 // Instruction operands.
1675 let Inst{15-12} = Vd{3-0};
1676 let Inst{22} = Vd{4};
1677 let Inst{24} = SIMM{7};
1678 let Inst{18-16} = SIMM{6-4};
1679 let Inst{3-0} = SIMM{3-0};
1682 // NEON 2 vector register format.
1683 class N2V<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18, bits<2> op17_16,
1684 bits<5> op11_7, bit op6, bit op4,
1685 dag oops, dag iops, InstrItinClass itin,
1686 string opc, string dt, string asm, string cstr, list<dag> pattern>
1687 : NDataI<oops, iops, N2RegFrm, itin, opc, dt, asm, cstr, pattern> {
1688 let Inst{24-23} = op24_23;
1689 let Inst{21-20} = op21_20;
1690 let Inst{19-18} = op19_18;
1691 let Inst{17-16} = op17_16;
1692 let Inst{11-7} = op11_7;
1696 // Instruction operands.
1700 let Inst{15-12} = Vd{3-0};
1701 let Inst{22} = Vd{4};
1702 let Inst{3-0} = Vm{3-0};
1703 let Inst{5} = Vm{4};
1706 // Same as N2V except it doesn't have a datatype suffix.
1707 class N2VX<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18, bits<2> op17_16,
1708 bits<5> op11_7, bit op6, bit op4,
1709 dag oops, dag iops, InstrItinClass itin,
1710 string opc, string asm, string cstr, list<dag> pattern>
1711 : NDataXI<oops, iops, N2RegFrm, itin, opc, asm, cstr, pattern> {
1712 let Inst{24-23} = op24_23;
1713 let Inst{21-20} = op21_20;
1714 let Inst{19-18} = op19_18;
1715 let Inst{17-16} = op17_16;
1716 let Inst{11-7} = op11_7;
1720 // Instruction operands.
1724 let Inst{15-12} = Vd{3-0};
1725 let Inst{22} = Vd{4};
1726 let Inst{3-0} = Vm{3-0};
1727 let Inst{5} = Vm{4};
1730 // NEON 2 vector register with immediate.
1731 class N2VImm<bit op24, bit op23, bits<4> op11_8, bit op7, bit op6, bit op4,
1732 dag oops, dag iops, Format f, InstrItinClass itin,
1733 string opc, string dt, string asm, string cstr, list<dag> pattern>
1734 : NDataI<oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1735 let Inst{24} = op24;
1736 let Inst{23} = op23;
1737 let Inst{11-8} = op11_8;
1742 // Instruction operands.
1747 let Inst{15-12} = Vd{3-0};
1748 let Inst{22} = Vd{4};
1749 let Inst{3-0} = Vm{3-0};
1750 let Inst{5} = Vm{4};
1751 let Inst{21-16} = SIMM{5-0};
1754 // NEON 3 vector register format.
1755 class N3V<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6, bit op4,
1756 dag oops, dag iops, Format f, InstrItinClass itin,
1757 string opc, string dt, string asm, string cstr, list<dag> pattern>
1758 : NDataI<oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1759 let Inst{24} = op24;
1760 let Inst{23} = op23;
1761 let Inst{21-20} = op21_20;
1762 let Inst{11-8} = op11_8;
1766 // Instruction operands.
1771 let Inst{15-12} = Vd{3-0};
1772 let Inst{22} = Vd{4};
1773 let Inst{19-16} = Vn{3-0};
1774 let Inst{7} = Vn{4};
1775 let Inst{3-0} = Vm{3-0};
1776 let Inst{5} = Vm{4};
1779 // Same as N3V except it doesn't have a data type suffix.
1780 class N3VX<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6,
1782 dag oops, dag iops, Format f, InstrItinClass itin,
1783 string opc, string asm, string cstr, list<dag> pattern>
1784 : NDataXI<oops, iops, f, itin, opc, asm, cstr, pattern> {
1785 let Inst{24} = op24;
1786 let Inst{23} = op23;
1787 let Inst{21-20} = op21_20;
1788 let Inst{11-8} = op11_8;
1792 // Instruction operands.
1797 let Inst{15-12} = Vd{3-0};
1798 let Inst{22} = Vd{4};
1799 let Inst{19-16} = Vn{3-0};
1800 let Inst{7} = Vn{4};
1801 let Inst{3-0} = Vm{3-0};
1802 let Inst{5} = Vm{4};
1805 // NEON VMOVs between scalar and core registers.
1806 class NVLaneOp<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1807 dag oops, dag iops, Format f, InstrItinClass itin,
1808 string opc, string dt, string asm, list<dag> pattern>
1809 : InstARM<AddrModeNone, Size4Bytes, IndexModeNone, f, NeonDomain,
1811 let Inst{27-20} = opcod1;
1812 let Inst{11-8} = opcod2;
1813 let Inst{6-5} = opcod3;
1816 let OutOperandList = oops;
1817 let InOperandList = !con(iops, (ins pred:$p));
1818 let AsmString = !strconcat(opc, "${p}", ".", dt, "\t", asm);
1819 let Pattern = pattern;
1820 list<Predicate> Predicates = [HasNEON];
1822 let PostEncoderMethod = "NEONThumb2DupPostEncoder";
1829 let Inst{31-28} = p{3-0};
1831 let Inst{19-16} = V{3-0};
1832 let Inst{15-12} = R{3-0};
1834 class NVGetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1835 dag oops, dag iops, InstrItinClass itin,
1836 string opc, string dt, string asm, list<dag> pattern>
1837 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NGetLnFrm, itin,
1838 opc, dt, asm, pattern>;
1839 class NVSetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1840 dag oops, dag iops, InstrItinClass itin,
1841 string opc, string dt, string asm, list<dag> pattern>
1842 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NSetLnFrm, itin,
1843 opc, dt, asm, pattern>;
1844 class NVDup<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1845 dag oops, dag iops, InstrItinClass itin,
1846 string opc, string dt, string asm, list<dag> pattern>
1847 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NDupFrm, itin,
1848 opc, dt, asm, pattern>;
1850 // Vector Duplicate Lane (from scalar to all elements)
1851 class NVDupLane<bits<4> op19_16, bit op6, dag oops, dag iops,
1852 InstrItinClass itin, string opc, string dt, string asm,
1854 : NDataI<oops, iops, NVDupLnFrm, itin, opc, dt, asm, "", pattern> {
1855 let Inst{24-23} = 0b11;
1856 let Inst{21-20} = 0b11;
1857 let Inst{19-16} = op19_16;
1858 let Inst{11-7} = 0b11000;
1866 let Inst{22} = Vd{4};
1867 let Inst{15-12} = Vd{3-0};
1868 let Inst{5} = Vm{4};
1869 let Inst{3-0} = Vm{3-0};
1872 // NEONFPPat - Same as Pat<>, but requires that the compiler be using NEON
1873 // for single-precision FP.
1874 class NEONFPPat<dag pattern, dag result> : Pat<pattern, result> {
1875 list<Predicate> Predicates = [HasNEON,UseNEONForFP];