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,
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 isLd, bit isByte, 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} = isByte;
432 let Inst{21} = 0; // 21 == W
435 // Indexed load/stores
436 class AI2ldstidx<bit isLd, bit isByte, bit isPre, dag oops, dag iops,
437 IndexMode im, Format f, InstrItinClass itin, string opc,
438 string asm, string cstr, list<dag> pattern>
439 : I<oops, iops, AddrMode2, Size4Bytes, im, f, itin,
440 opc, asm, cstr, pattern> {
442 let Inst{27-26} = 0b01;
443 let Inst{24} = isPre; // P bit
444 let Inst{22} = isByte; // B bit
445 let Inst{21} = isPre; // W bit
446 let Inst{20} = isLd; // L bit
447 let Inst{15-12} = Rt;
450 class AXI2ldw<dag oops, dag iops, Format f, InstrItinClass itin,
451 string asm, list<dag> pattern>
452 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
454 let Inst{20} = 1; // L bit
455 let Inst{21} = 0; // W bit
456 let Inst{22} = 0; // B bit
457 let Inst{24} = 1; // P bit
458 let Inst{27-26} = 0b01;
460 class AXI2ldb<dag oops, dag iops, Format f, InstrItinClass itin,
461 string asm, list<dag> pattern>
462 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
464 let Inst{20} = 1; // L bit
465 let Inst{21} = 0; // W bit
466 let Inst{22} = 1; // B bit
467 let Inst{24} = 1; // P bit
468 let Inst{27-26} = 0b01;
472 class AXI2stw<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} = 0; // L bit
477 let Inst{21} = 0; // W bit
478 let Inst{22} = 0; // B bit
479 let Inst{24} = 1; // P bit
480 let Inst{27-26} = 0b01;
482 class AXI2stb<dag oops, dag iops, Format f, InstrItinClass itin,
483 string asm, list<dag> pattern>
484 : XI<oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, itin,
486 let Inst{20} = 0; // L bit
487 let Inst{21} = 0; // W bit
488 let Inst{22} = 1; // B bit
489 let Inst{24} = 1; // P bit
490 let Inst{27-26} = 0b01;
493 // addrmode3 instructions
494 class AI3<dag oops, dag iops, Format f, InstrItinClass itin,
495 string opc, string asm, list<dag> pattern>
496 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
497 opc, asm, "", pattern>;
498 class AXI3<dag oops, dag iops, Format f, InstrItinClass itin,
499 string asm, list<dag> pattern>
500 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
504 class AI3ld<bits<4> op, dag oops, dag iops, Format f, InstrItinClass itin,
505 string opc, string asm, list<dag> pattern>
506 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
507 opc, asm, "", pattern> {
510 let Inst{27-25} = 0b000;
511 let Inst{24} = 1; // P bit
512 let Inst{23} = addr{8}; // U bit
513 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
514 let Inst{21} = 0; // W bit
515 let Inst{20} = 1; // L bit
516 let Inst{19-16} = addr{12-9}; // Rn
517 let Inst{15-12} = Rt; // Rt
518 let Inst{11-8} = addr{7-4}; // imm7_4/zero
520 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
522 class AXI3ld<bits<4> op, dag oops, dag iops, Format f, InstrItinClass itin,
523 string asm, list<dag> pattern>
524 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
528 let Inst{27-25} = 0b000;
529 let Inst{24} = 1; // P bit
530 let Inst{23} = addr{8}; // U bit
531 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
532 let Inst{21} = 0; // W bit
533 let Inst{20} = 1; // L bit
534 let Inst{19-16} = addr{12-9}; // Rn
535 let Inst{15-12} = Rt; // Rt
536 let Inst{11-8} = addr{7-4}; // imm7_4/zero
538 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
542 class AI3ldd<dag oops, dag iops, Format f, InstrItinClass itin,
543 string opc, string asm, list<dag> pattern>
544 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
545 opc, asm, "", pattern> {
547 let Inst{5} = 0; // H bit
548 let Inst{6} = 1; // S bit
550 let Inst{20} = 0; // L bit
551 let Inst{21} = 0; // W bit
552 let Inst{24} = 1; // P bit
553 let Inst{27-25} = 0b000;
557 class AI3sth<dag oops, dag iops, Format f, InstrItinClass itin,
558 string opc, string asm, list<dag> pattern>
559 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
560 opc, asm, "", pattern> {
563 let Inst{27-25} = 0b000;
564 let Inst{24} = 1; // P bit
565 let Inst{23} = addr{8}; // U bit
566 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
567 let Inst{21} = 0; // W bit
568 let Inst{20} = 0; // L bit
569 let Inst{19-16} = addr{12-9}; // Rn
570 let Inst{15-12} = Rt; // Rt
571 let Inst{11-8} = addr{7-4}; // imm7_4/zero
572 let Inst{7-4} = 0b1011;
573 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
575 class AXI3sth<dag oops, dag iops, Format f, InstrItinClass itin,
576 string asm, list<dag> pattern>
577 : XI<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
580 let Inst{5} = 1; // H bit
581 let Inst{6} = 0; // S bit
583 let Inst{20} = 0; // L bit
584 let Inst{21} = 0; // W bit
585 let Inst{24} = 1; // P bit
587 class AI3std<dag oops, dag iops, Format f, InstrItinClass itin,
588 string opc, string asm, list<dag> pattern>
589 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
590 opc, asm, "", pattern> {
592 let Inst{5} = 1; // H bit
593 let Inst{6} = 1; // S bit
595 let Inst{20} = 0; // L bit
596 let Inst{21} = 0; // W bit
597 let Inst{24} = 1; // P bit
598 let Inst{27-25} = 0b000;
602 class AI3ldhpr<dag oops, dag iops, Format f, InstrItinClass itin,
603 string opc, string asm, string cstr, list<dag> pattern>
604 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
605 opc, asm, cstr, pattern> {
607 let Inst{5} = 1; // H bit
608 let Inst{6} = 0; // S bit
610 let Inst{20} = 1; // L bit
611 let Inst{21} = 1; // W bit
612 let Inst{24} = 1; // P bit
613 let Inst{27-25} = 0b000;
615 class AI3ldshpr<dag oops, dag iops, Format f, InstrItinClass itin,
616 string opc, string asm, string cstr, list<dag> pattern>
617 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
618 opc, asm, cstr, pattern> {
621 let Inst{27-25} = 0b000;
622 let Inst{24} = 1; // P bit
623 let Inst{23} = addr{8}; // U bit
624 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
625 let Inst{21} = 1; // W bit
626 let Inst{20} = 1; // L bit
627 let Inst{19-16} = addr{12-9}; // Rn
628 let Inst{15-12} = Rt; // Rt
629 let Inst{11-8} = addr{7-4}; // imm7_4/zero
630 let Inst{7-4} = 0b1111;
631 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
633 class AI3ldsbpr<dag oops, dag iops, Format f, InstrItinClass itin,
634 string opc, string asm, string cstr, list<dag> pattern>
635 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
636 opc, asm, cstr, pattern> {
638 let Inst{5} = 0; // H bit
639 let Inst{6} = 1; // S bit
641 let Inst{20} = 1; // L bit
642 let Inst{21} = 1; // W bit
643 let Inst{24} = 1; // P bit
644 let Inst{27-25} = 0b000;
646 class AI3lddpr<dag oops, dag iops, Format f, InstrItinClass itin,
647 string opc, string asm, string cstr, list<dag> pattern>
648 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
649 opc, asm, cstr, pattern> {
651 let Inst{5} = 0; // H bit
652 let Inst{6} = 1; // S bit
654 let Inst{20} = 0; // L bit
655 let Inst{21} = 1; // W bit
656 let Inst{24} = 1; // P bit
657 let Inst{27-25} = 0b000;
661 // Pre-indexed stores
662 class AI3sthpr<dag oops, dag iops, Format f, InstrItinClass itin,
663 string opc, string asm, string cstr, list<dag> pattern>
664 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
665 opc, asm, cstr, pattern> {
667 let Inst{5} = 1; // H bit
668 let Inst{6} = 0; // S bit
670 let Inst{20} = 0; // L bit
671 let Inst{21} = 1; // W bit
672 let Inst{24} = 1; // P bit
673 let Inst{27-25} = 0b000;
675 class AI3stdpr<dag oops, dag iops, Format f, InstrItinClass itin,
676 string opc, string asm, string cstr, list<dag> pattern>
677 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
678 opc, asm, cstr, pattern> {
680 let Inst{5} = 1; // H bit
681 let Inst{6} = 1; // S bit
683 let Inst{20} = 0; // L bit
684 let Inst{21} = 1; // W bit
685 let Inst{24} = 1; // P bit
686 let Inst{27-25} = 0b000;
689 // Post-indexed loads
690 class AI3ldhpo<dag oops, dag iops, Format f, InstrItinClass itin,
691 string opc, string asm, string cstr, list<dag> pattern>
692 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
693 opc, asm, cstr,pattern> {
695 let Inst{5} = 1; // H bit
696 let Inst{6} = 0; // S bit
698 let Inst{20} = 1; // L bit
699 let Inst{21} = 0; // W bit
700 let Inst{24} = 0; // P bit
701 let Inst{27-25} = 0b000;
703 class AI3ldshpo<dag oops, dag iops, Format f, InstrItinClass itin,
704 string opc, string asm, string cstr, list<dag> pattern>
705 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
706 opc, asm, cstr,pattern> {
710 let Inst{27-25} = 0b000;
711 let Inst{24} = 0; // P bit
712 let Inst{23} = offset{8}; // U bit
713 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
714 let Inst{21} = 0; // W bit
715 let Inst{20} = 1; // L bit
716 let Inst{19-16} = Rn; // Rn
717 let Inst{15-12} = Rt; // Rt
718 let Inst{11-8} = offset{7-4}; // imm7_4/zero
719 let Inst{7-4} = 0b1111;
720 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
722 class AI3ldsbpo<dag oops, dag iops, Format f, InstrItinClass itin,
723 string opc, string asm, string cstr, list<dag> pattern>
724 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
725 opc, asm, cstr,pattern> {
727 let Inst{5} = 0; // H bit
728 let Inst{6} = 1; // S bit
730 let Inst{20} = 1; // L bit
731 let Inst{21} = 0; // W bit
732 let Inst{24} = 0; // P bit
733 let Inst{27-25} = 0b000;
735 class AI3lddpo<dag oops, dag iops, Format f, InstrItinClass itin,
736 string opc, string asm, string cstr, list<dag> pattern>
737 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
738 opc, asm, cstr, pattern> {
740 let Inst{5} = 0; // H bit
741 let Inst{6} = 1; // S bit
743 let Inst{20} = 0; // L bit
744 let Inst{21} = 0; // W bit
745 let Inst{24} = 0; // P bit
746 let Inst{27-25} = 0b000;
749 // Post-indexed stores
750 class AI3sthpo<dag oops, dag iops, Format f, InstrItinClass itin,
751 string opc, string asm, string cstr, list<dag> pattern>
752 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
753 opc, asm, cstr,pattern> {
755 let Inst{5} = 1; // H bit
756 let Inst{6} = 0; // S bit
758 let Inst{20} = 0; // L bit
759 let Inst{21} = 0; // W bit
760 let Inst{24} = 0; // P bit
761 let Inst{27-25} = 0b000;
763 class AI3stdpo<dag oops, dag iops, Format f, InstrItinClass itin,
764 string opc, string asm, string cstr, list<dag> pattern>
765 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
766 opc, asm, cstr, pattern> {
768 let Inst{5} = 1; // H bit
769 let Inst{6} = 1; // S bit
771 let Inst{20} = 0; // L bit
772 let Inst{21} = 0; // W bit
773 let Inst{24} = 0; // P bit
774 let Inst{27-25} = 0b000;
777 // addrmode4 instructions
778 class AXI4<dag oops, dag iops, IndexMode im, Format f, InstrItinClass itin,
779 string asm, string cstr, list<dag> pattern>
780 : XI<oops, iops, AddrMode4, Size4Bytes, im, f, itin, asm, cstr, pattern> {
785 let Inst{27-25} = 0b100;
786 let Inst{22} = 0; // S bit
787 let Inst{19-16} = Rn;
788 let Inst{15-0} = regs;
791 // Unsigned multiply, multiply-accumulate instructions.
792 class AMul1I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
793 string opc, string asm, list<dag> pattern>
794 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
795 opc, asm, "", pattern> {
796 let Inst{7-4} = 0b1001;
797 let Inst{20} = 0; // S bit
798 let Inst{27-21} = opcod;
800 class AsMul1I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
801 string opc, string asm, list<dag> pattern>
802 : sI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
803 opc, asm, "", pattern> {
804 let Inst{7-4} = 0b1001;
805 let Inst{27-21} = opcod;
808 // Most significant word multiply
809 class AMul2I<bits<7> opcod, bits<4> opc7_4, dag oops, dag iops,
810 InstrItinClass itin, string opc, string asm, list<dag> pattern>
811 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
812 opc, asm, "", pattern> {
816 let Inst{7-4} = opc7_4;
818 let Inst{27-21} = opcod;
819 let Inst{19-16} = Rd;
823 // MSW multiple w/ Ra operand
824 class AMul2Ia<bits<7> opcod, bits<4> opc7_4, dag oops, dag iops,
825 InstrItinClass itin, string opc, string asm, list<dag> pattern>
826 : AMul2I<opcod, opc7_4, oops, iops, itin, opc, asm, pattern> {
828 let Inst{15-12} = Ra;
831 // SMUL<x><y> / SMULW<y> / SMLA<x><y> / SMLAW<x><y>
832 class AMulxyIbase<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
833 InstrItinClass itin, string opc, string asm, list<dag> pattern>
834 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
835 opc, asm, "", pattern> {
841 let Inst{27-21} = opcod;
842 let Inst{6-5} = bit6_5;
846 class AMulxyI<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
847 InstrItinClass itin, string opc, string asm, list<dag> pattern>
848 : AMulxyIbase<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
850 let Inst{19-16} = Rd;
853 // AMulxyI with Ra operand
854 class AMulxyIa<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
855 InstrItinClass itin, string opc, string asm, list<dag> pattern>
856 : AMulxyI<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
858 let Inst{15-12} = Ra;
861 class AMulxyI64<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
862 InstrItinClass itin, string opc, string asm, list<dag> pattern>
863 : AMulxyIbase<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
866 let Inst{19-16} = RdHi;
867 let Inst{15-12} = RdLo;
870 // Extend instructions.
871 class AExtI<bits<8> opcod, dag oops, dag iops, InstrItinClass itin,
872 string opc, string asm, list<dag> pattern>
873 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ExtFrm, itin,
874 opc, asm, "", pattern> {
875 // All AExtI instructions have Rd and Rm register operands.
878 let Inst{15-12} = Rd;
880 let Inst{7-4} = 0b0111;
881 let Inst{9-8} = 0b00;
882 let Inst{27-20} = opcod;
885 // Misc Arithmetic instructions.
886 class AMiscA1I<bits<8> opcod, bits<4> opc7_4, dag oops, dag iops,
887 InstrItinClass itin, string opc, string asm, list<dag> pattern>
888 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ArithMiscFrm, itin,
889 opc, asm, "", pattern> {
892 let Inst{27-20} = opcod;
893 let Inst{19-16} = 0b1111;
894 let Inst{15-12} = Rd;
895 let Inst{11-8} = 0b1111;
896 let Inst{7-4} = opc7_4;
901 class APKHI<bits<8> opcod, bit tb, dag oops, dag iops, InstrItinClass itin,
902 string opc, string asm, list<dag> pattern>
903 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ArithMiscFrm, itin,
904 opc, asm, "", pattern> {
909 let Inst{27-20} = opcod;
910 let Inst{19-16} = Rn;
911 let Inst{15-12} = Rd;
912 let Inst{11-7} = sh{7-3};
914 let Inst{5-4} = 0b01;
918 //===----------------------------------------------------------------------===//
920 // ARMPat - Same as Pat<>, but requires that the compiler be in ARM mode.
921 class ARMPat<dag pattern, dag result> : Pat<pattern, result> {
922 list<Predicate> Predicates = [IsARM];
924 class ARMV5TEPat<dag pattern, dag result> : Pat<pattern, result> {
925 list<Predicate> Predicates = [IsARM, HasV5TE];
927 class ARMV6Pat<dag pattern, dag result> : Pat<pattern, result> {
928 list<Predicate> Predicates = [IsARM, HasV6];
931 //===----------------------------------------------------------------------===//
933 // Thumb Instruction Format Definitions.
936 // TI - Thumb instruction.
938 class ThumbI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
939 InstrItinClass itin, string asm, string cstr, list<dag> pattern>
940 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
941 let OutOperandList = oops;
942 let InOperandList = iops;
944 let Pattern = pattern;
945 list<Predicate> Predicates = [IsThumb];
948 class TI<dag oops, dag iops, InstrItinClass itin, string asm, list<dag> pattern>
949 : ThumbI<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "", pattern>;
951 // Two-address instructions
952 class TIt<dag oops, dag iops, InstrItinClass itin, string asm,
954 : ThumbI<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "$lhs = $dst",
957 // tBL, tBX 32-bit instructions
958 class TIx2<bits<5> opcod1, bits<2> opcod2, bit opcod3,
959 dag oops, dag iops, InstrItinClass itin, string asm,
961 : ThumbI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>,
963 let Inst{31-27} = opcod1;
964 let Inst{15-14} = opcod2;
965 let Inst{12} = opcod3;
968 // BR_JT instructions
969 class TJTI<dag oops, dag iops, InstrItinClass itin, string asm,
971 : ThumbI<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
974 class Thumb1I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
975 InstrItinClass itin, string asm, string cstr, list<dag> pattern>
976 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
977 let OutOperandList = oops;
978 let InOperandList = iops;
980 let Pattern = pattern;
981 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
984 class T1I<dag oops, dag iops, InstrItinClass itin,
985 string asm, list<dag> pattern>
986 : Thumb1I<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "", pattern>;
987 class T1Ix2<dag oops, dag iops, InstrItinClass itin,
988 string asm, list<dag> pattern>
989 : Thumb1I<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>;
990 class T1JTI<dag oops, dag iops, InstrItinClass itin,
991 string asm, list<dag> pattern>
992 : Thumb1I<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
994 // Two-address instructions
995 class T1It<dag oops, dag iops, InstrItinClass itin,
996 string asm, string cstr, list<dag> pattern>
997 : Thumb1I<oops, iops, AddrModeNone, Size2Bytes, itin,
1000 // Thumb1 instruction that can either be predicated or set CPSR.
1001 class Thumb1sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1002 InstrItinClass itin,
1003 string opc, string asm, string cstr, list<dag> pattern>
1004 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1005 let OutOperandList = !con(oops, (outs s_cc_out:$s));
1006 let InOperandList = !con(iops, (ins pred:$p));
1007 let AsmString = !strconcat(opc, "${s}${p}", asm);
1008 let Pattern = pattern;
1009 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1012 class T1sI<dag oops, dag iops, InstrItinClass itin,
1013 string opc, string asm, list<dag> pattern>
1014 : Thumb1sI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm, "", pattern>;
1016 // Two-address instructions
1017 class T1sIt<dag oops, dag iops, InstrItinClass itin,
1018 string opc, string asm, list<dag> pattern>
1019 : Thumb1sI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm,
1020 "$lhs = $dst", pattern>;
1022 // Thumb1 instruction that can be predicated.
1023 class Thumb1pI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1024 InstrItinClass itin,
1025 string opc, string asm, string cstr, list<dag> pattern>
1026 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1027 let OutOperandList = oops;
1028 let InOperandList = !con(iops, (ins pred:$p));
1029 let AsmString = !strconcat(opc, "${p}", asm);
1030 let Pattern = pattern;
1031 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1034 class T1pI<dag oops, dag iops, InstrItinClass itin,
1035 string opc, string asm, list<dag> pattern>
1036 : Thumb1pI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm, "", pattern>;
1038 // Two-address instructions
1039 class T1pIt<dag oops, dag iops, InstrItinClass itin,
1040 string opc, string asm, list<dag> pattern>
1041 : Thumb1pI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm,
1042 "$lhs = $dst", pattern>;
1044 class T1pI1<dag oops, dag iops, InstrItinClass itin,
1045 string opc, string asm, list<dag> pattern>
1046 : Thumb1pI<oops, iops, AddrModeT1_1, Size2Bytes, itin, opc, asm, "", pattern>;
1047 class T1pI2<dag oops, dag iops, InstrItinClass itin,
1048 string opc, string asm, list<dag> pattern>
1049 : Thumb1pI<oops, iops, AddrModeT1_2, Size2Bytes, itin, opc, asm, "", pattern>;
1050 class T1pI4<dag oops, dag iops, InstrItinClass itin,
1051 string opc, string asm, list<dag> pattern>
1052 : Thumb1pI<oops, iops, AddrModeT1_4, Size2Bytes, itin, opc, asm, "", pattern>;
1053 class T1pIs<dag oops, dag iops,
1054 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1055 : Thumb1pI<oops, iops, AddrModeT1_s, Size2Bytes, itin, opc, asm, "", pattern>;
1057 class Encoding16 : Encoding {
1058 let Inst{31-16} = 0x0000;
1061 // A6.2 16-bit Thumb instruction encoding
1062 class T1Encoding<bits<6> opcode> : Encoding16 {
1063 let Inst{15-10} = opcode;
1066 // A6.2.1 Shift (immediate), add, subtract, move, and compare encoding.
1067 class T1General<bits<5> opcode> : Encoding16 {
1068 let Inst{15-14} = 0b00;
1069 let Inst{13-9} = opcode;
1072 // A6.2.2 Data-processing encoding.
1073 class T1DataProcessing<bits<4> opcode> : Encoding16 {
1074 let Inst{15-10} = 0b010000;
1075 let Inst{9-6} = opcode;
1078 // A6.2.3 Special data instructions and branch and exchange encoding.
1079 class T1Special<bits<4> opcode> : Encoding16 {
1080 let Inst{15-10} = 0b010001;
1081 let Inst{9-6} = opcode;
1084 // A6.2.4 Load/store single data item encoding.
1085 class T1LoadStore<bits<4> opA, bits<3> opB> : Encoding16 {
1086 let Inst{15-12} = opA;
1087 let Inst{11-9} = opB;
1089 class T1LdSt<bits<3> opB> : T1LoadStore<0b0101, opB>;
1090 class T1LdSt4Imm<bits<3> opB> : T1LoadStore<0b0110, opB>; // Immediate, 4 bytes
1091 class T1LdSt1Imm<bits<3> opB> : T1LoadStore<0b0111, opB>; // Immediate, 1 byte
1092 class T1LdSt2Imm<bits<3> opB> : T1LoadStore<0b1000, opB>; // Immediate, 2 bytes
1093 class T1LdStSP<bits<3> opB> : T1LoadStore<0b1001, opB>; // SP relative
1095 // A6.2.5 Miscellaneous 16-bit instructions encoding.
1096 class T1Misc<bits<7> opcode> : Encoding16 {
1097 let Inst{15-12} = 0b1011;
1098 let Inst{11-5} = opcode;
1101 // Thumb2I - Thumb2 instruction. Almost all Thumb2 instructions are predicable.
1102 class Thumb2I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1103 InstrItinClass itin,
1104 string opc, string asm, string cstr, list<dag> pattern>
1105 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1106 let OutOperandList = oops;
1107 let InOperandList = !con(iops, (ins pred:$p));
1108 let AsmString = !strconcat(opc, "${p}", asm);
1109 let Pattern = pattern;
1110 list<Predicate> Predicates = [IsThumb2];
1113 // Same as Thumb2I except it can optionally modify CPSR. Note it's modeled as an
1114 // input operand since by default it's a zero register. It will become an
1115 // implicit def once it's "flipped".
1117 // FIXME: This uses unified syntax so {s} comes before {p}. We should make it
1119 class Thumb2sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1120 InstrItinClass itin,
1121 string opc, string asm, string cstr, list<dag> pattern>
1122 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1123 let OutOperandList = oops;
1124 let InOperandList = !con(iops, (ins pred:$p, cc_out:$s));
1125 let AsmString = !strconcat(opc, "${s}${p}", asm);
1126 let Pattern = pattern;
1127 list<Predicate> Predicates = [IsThumb2];
1131 class Thumb2XI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1132 InstrItinClass itin,
1133 string asm, string cstr, list<dag> pattern>
1134 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1135 let OutOperandList = oops;
1136 let InOperandList = iops;
1137 let AsmString = asm;
1138 let Pattern = pattern;
1139 list<Predicate> Predicates = [IsThumb2];
1142 class ThumbXI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1143 InstrItinClass itin,
1144 string asm, string cstr, list<dag> pattern>
1145 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
1146 let OutOperandList = oops;
1147 let InOperandList = iops;
1148 let AsmString = asm;
1149 let Pattern = pattern;
1150 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1153 class T2I<dag oops, dag iops, InstrItinClass itin,
1154 string opc, string asm, list<dag> pattern>
1155 : Thumb2I<oops, iops, AddrModeNone, Size4Bytes, itin, opc, asm, "", pattern>;
1156 class T2Ii12<dag oops, dag iops, InstrItinClass itin,
1157 string opc, string asm, list<dag> pattern>
1158 : Thumb2I<oops, iops, AddrModeT2_i12, Size4Bytes, itin, opc, asm, "",pattern>;
1159 class T2Ii8<dag oops, dag iops, InstrItinClass itin,
1160 string opc, string asm, list<dag> pattern>
1161 : Thumb2I<oops, iops, AddrModeT2_i8, Size4Bytes, itin, opc, asm, "", pattern>;
1162 class T2Iso<dag oops, dag iops, InstrItinClass itin,
1163 string opc, string asm, list<dag> pattern>
1164 : Thumb2I<oops, iops, AddrModeT2_so, Size4Bytes, itin, opc, asm, "", pattern>;
1165 class T2Ipc<dag oops, dag iops, InstrItinClass itin,
1166 string opc, string asm, list<dag> pattern>
1167 : Thumb2I<oops, iops, AddrModeT2_pc, Size4Bytes, itin, opc, asm, "", pattern>;
1168 class T2Ii8s4<bit P, bit W, bit load, dag oops, dag iops, InstrItinClass itin,
1169 string opc, string asm, list<dag> pattern>
1170 : Thumb2I<oops, iops, AddrModeT2_i8s4, Size4Bytes, itin, opc, asm, "",
1172 let Inst{31-27} = 0b11101;
1173 let Inst{26-25} = 0b00;
1175 let Inst{23} = ?; // The U bit.
1178 let Inst{20} = load;
1181 class T2sI<dag oops, dag iops, InstrItinClass itin,
1182 string opc, string asm, list<dag> pattern>
1183 : Thumb2sI<oops, iops, AddrModeNone, Size4Bytes, itin, opc, asm, "", pattern>;
1185 class T2XI<dag oops, dag iops, InstrItinClass itin,
1186 string asm, list<dag> pattern>
1187 : Thumb2XI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>;
1188 class T2JTI<dag oops, dag iops, InstrItinClass itin,
1189 string asm, list<dag> pattern>
1190 : Thumb2XI<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
1192 class T2Ix2<dag oops, dag iops, InstrItinClass itin,
1193 string opc, string asm, list<dag> pattern>
1194 : Thumb2I<oops, iops, AddrModeNone, Size8Bytes, itin, opc, asm, "", pattern>;
1196 // Two-address instructions
1197 class T2XIt<dag oops, dag iops, InstrItinClass itin,
1198 string asm, string cstr, list<dag> pattern>
1199 : Thumb2XI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, cstr, pattern>;
1201 // T2Iidxldst - Thumb2 indexed load / store instructions.
1202 class T2Iidxldst<bit signed, bits<2> opcod, bit load, bit pre,
1204 AddrMode am, IndexMode im, InstrItinClass itin,
1205 string opc, string asm, string cstr, list<dag> pattern>
1206 : InstARM<am, Size4Bytes, im, ThumbFrm, GenericDomain, cstr, itin> {
1207 let OutOperandList = oops;
1208 let InOperandList = !con(iops, (ins pred:$p));
1209 let AsmString = !strconcat(opc, "${p}", asm);
1210 let Pattern = pattern;
1211 list<Predicate> Predicates = [IsThumb2];
1212 let Inst{31-27} = 0b11111;
1213 let Inst{26-25} = 0b00;
1214 let Inst{24} = signed;
1216 let Inst{22-21} = opcod;
1217 let Inst{20} = load;
1219 // (P, W) = (1, 1) Pre-indexed or (0, 1) Post-indexed
1220 let Inst{10} = pre; // The P bit.
1221 let Inst{8} = 1; // The W bit.
1224 // Helper class for disassembly only
1225 // A6.3.16 & A6.3.17
1226 // T2Imac - Thumb2 multiply [accumulate, and absolute difference] instructions.
1227 class T2I_mac<bit long, bits<3> op22_20, bits<4> op7_4, dag oops, dag iops,
1228 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1229 : T2I<oops, iops, itin, opc, asm, pattern> {
1230 let Inst{31-27} = 0b11111;
1231 let Inst{26-24} = 0b011;
1232 let Inst{23} = long;
1233 let Inst{22-20} = op22_20;
1234 let Inst{7-4} = op7_4;
1237 // Tv5Pat - Same as Pat<>, but requires V5T Thumb mode.
1238 class Tv5Pat<dag pattern, dag result> : Pat<pattern, result> {
1239 list<Predicate> Predicates = [IsThumb, IsThumb1Only, HasV5T];
1242 // T1Pat - Same as Pat<>, but requires that the compiler be in Thumb1 mode.
1243 class T1Pat<dag pattern, dag result> : Pat<pattern, result> {
1244 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1247 // T2Pat - Same as Pat<>, but requires that the compiler be in Thumb2 mode.
1248 class T2Pat<dag pattern, dag result> : Pat<pattern, result> {
1249 list<Predicate> Predicates = [IsThumb2];
1252 //===----------------------------------------------------------------------===//
1254 //===----------------------------------------------------------------------===//
1255 // ARM VFP Instruction templates.
1258 // Almost all VFP instructions are predicable.
1259 class VFPI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1260 IndexMode im, Format f, InstrItinClass itin,
1261 string opc, string asm, string cstr, list<dag> pattern>
1262 : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
1264 let Inst{31-28} = p;
1265 let OutOperandList = oops;
1266 let InOperandList = !con(iops, (ins pred:$p));
1267 let AsmString = !strconcat(opc, "${p}", asm);
1268 let Pattern = pattern;
1269 list<Predicate> Predicates = [HasVFP2];
1273 class VFPXI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1274 IndexMode im, Format f, InstrItinClass itin,
1275 string asm, string cstr, list<dag> pattern>
1276 : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
1278 let Inst{31-28} = p;
1279 let OutOperandList = oops;
1280 let InOperandList = iops;
1281 let AsmString = asm;
1282 let Pattern = pattern;
1283 list<Predicate> Predicates = [HasVFP2];
1286 class VFPAI<dag oops, dag iops, Format f, InstrItinClass itin,
1287 string opc, string asm, list<dag> pattern>
1288 : VFPI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
1289 opc, asm, "", pattern>;
1291 // ARM VFP addrmode5 loads and stores
1292 class ADI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
1293 InstrItinClass itin,
1294 string opc, string asm, list<dag> pattern>
1295 : VFPI<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
1296 VFPLdStFrm, itin, opc, asm, "", pattern> {
1297 // Instruction operands.
1301 // Encode instruction operands.
1302 let Inst{23} = addr{8}; // U (add = (U == '1'))
1303 let Inst{22} = Dd{4};
1304 let Inst{19-16} = addr{12-9}; // Rn
1305 let Inst{15-12} = Dd{3-0};
1306 let Inst{7-0} = addr{7-0}; // imm8
1308 // TODO: Mark the instructions with the appropriate subtarget info.
1309 let Inst{27-24} = opcod1;
1310 let Inst{21-20} = opcod2;
1311 let Inst{11-9} = 0b101;
1312 let Inst{8} = 1; // Double precision
1314 // 64-bit loads & stores operate on both NEON and VFP pipelines.
1315 let D = VFPNeonDomain;
1318 class ASI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
1319 InstrItinClass itin,
1320 string opc, string asm, list<dag> pattern>
1321 : VFPI<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
1322 VFPLdStFrm, itin, opc, asm, "", pattern> {
1323 // Instruction operands.
1327 // Encode instruction operands.
1328 let Inst{23} = addr{8}; // U (add = (U == '1'))
1329 let Inst{22} = Sd{0};
1330 let Inst{19-16} = addr{12-9}; // Rn
1331 let Inst{15-12} = Sd{4-1};
1332 let Inst{7-0} = addr{7-0}; // imm8
1334 // TODO: Mark the instructions with the appropriate subtarget info.
1335 let Inst{27-24} = opcod1;
1336 let Inst{21-20} = opcod2;
1337 let Inst{11-9} = 0b101;
1338 let Inst{8} = 0; // Single precision
1341 // VFP Load / store multiple pseudo instructions.
1342 class PseudoVFPLdStM<dag oops, dag iops, InstrItinClass itin, string cstr,
1344 : InstARM<AddrMode4, Size4Bytes, IndexModeNone, Pseudo, VFPNeonDomain,
1346 let OutOperandList = oops;
1347 let InOperandList = !con(iops, (ins pred:$p));
1348 let Pattern = pattern;
1349 list<Predicate> Predicates = [HasVFP2];
1352 // Load / store multiple
1353 class AXDI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
1354 string asm, string cstr, list<dag> pattern>
1355 : VFPXI<oops, iops, AddrMode4, Size4Bytes, im,
1356 VFPLdStMulFrm, itin, asm, cstr, pattern> {
1357 // Instruction operands.
1361 // Encode instruction operands.
1362 let Inst{19-16} = Rn;
1363 let Inst{22} = regs{12};
1364 let Inst{15-12} = regs{11-8};
1365 let Inst{7-0} = regs{7-0};
1367 // TODO: Mark the instructions with the appropriate subtarget info.
1368 let Inst{27-25} = 0b110;
1369 let Inst{11-9} = 0b101;
1370 let Inst{8} = 1; // Double precision
1372 // 64-bit loads & stores operate on both NEON and VFP pipelines.
1373 let D = VFPNeonDomain;
1376 class AXSI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
1377 string asm, string cstr, list<dag> pattern>
1378 : VFPXI<oops, iops, AddrMode4, Size4Bytes, im,
1379 VFPLdStMulFrm, itin, asm, cstr, pattern> {
1380 // Instruction operands.
1384 // Encode instruction operands.
1385 let Inst{19-16} = Rn;
1386 let Inst{22} = regs{8};
1387 let Inst{15-12} = regs{12-9};
1388 let Inst{7-0} = regs{7-0};
1390 // TODO: Mark the instructions with the appropriate subtarget info.
1391 let Inst{27-25} = 0b110;
1392 let Inst{11-9} = 0b101;
1393 let Inst{8} = 0; // Single precision
1396 // Double precision, unary
1397 class ADuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1398 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1399 string asm, list<dag> pattern>
1400 : VFPAI<oops, iops, VFPUnaryFrm, itin, opc, asm, pattern> {
1401 // Instruction operands.
1405 // Encode instruction operands.
1406 let Inst{3-0} = Dm{3-0};
1407 let Inst{5} = Dm{4};
1408 let Inst{15-12} = Dd{3-0};
1409 let Inst{22} = Dd{4};
1411 let Inst{27-23} = opcod1;
1412 let Inst{21-20} = opcod2;
1413 let Inst{19-16} = opcod3;
1414 let Inst{11-9} = 0b101;
1415 let Inst{8} = 1; // Double precision
1416 let Inst{7-6} = opcod4;
1417 let Inst{4} = opcod5;
1420 // Double precision, binary
1421 class ADbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1422 dag iops, InstrItinClass itin, string opc, string asm,
1424 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1425 // Instruction operands.
1430 // Encode instruction operands.
1431 let Inst{3-0} = Dm{3-0};
1432 let Inst{5} = Dm{4};
1433 let Inst{19-16} = Dn{3-0};
1434 let Inst{7} = Dn{4};
1435 let Inst{15-12} = Dd{3-0};
1436 let Inst{22} = Dd{4};
1438 let Inst{27-23} = opcod1;
1439 let Inst{21-20} = opcod2;
1440 let Inst{11-9} = 0b101;
1441 let Inst{8} = 1; // Double precision
1446 // Single precision, unary
1447 class ASuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1448 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1449 string asm, list<dag> pattern>
1450 : VFPAI<oops, iops, VFPUnaryFrm, itin, opc, asm, pattern> {
1451 // Instruction operands.
1455 // Encode instruction operands.
1456 let Inst{3-0} = Sm{4-1};
1457 let Inst{5} = Sm{0};
1458 let Inst{15-12} = Sd{4-1};
1459 let Inst{22} = Sd{0};
1461 let Inst{27-23} = opcod1;
1462 let Inst{21-20} = opcod2;
1463 let Inst{19-16} = opcod3;
1464 let Inst{11-9} = 0b101;
1465 let Inst{8} = 0; // Single precision
1466 let Inst{7-6} = opcod4;
1467 let Inst{4} = opcod5;
1470 // Single precision unary, if no NEON
1471 // Same as ASuI except not available if NEON is enabled
1472 class ASuIn<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1473 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1474 string asm, list<dag> pattern>
1475 : ASuI<opcod1, opcod2, opcod3, opcod4, opcod5, oops, iops, itin, opc, asm,
1477 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1480 // Single precision, binary
1481 class ASbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops, dag iops,
1482 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1483 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1484 // Instruction operands.
1489 // Encode instruction operands.
1490 let Inst{3-0} = Sm{4-1};
1491 let Inst{5} = Sm{0};
1492 let Inst{19-16} = Sn{4-1};
1493 let Inst{7} = Sn{0};
1494 let Inst{15-12} = Sd{4-1};
1495 let Inst{22} = Sd{0};
1497 let Inst{27-23} = opcod1;
1498 let Inst{21-20} = opcod2;
1499 let Inst{11-9} = 0b101;
1500 let Inst{8} = 0; // Single precision
1505 // Single precision binary, if no NEON
1506 // Same as ASbI except not available if NEON is enabled
1507 class ASbIn<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1508 dag iops, InstrItinClass itin, string opc, string asm,
1510 : ASbI<opcod1, opcod2, op6, op4, oops, iops, itin, opc, asm, pattern> {
1511 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1513 // Instruction operands.
1518 // Encode instruction operands.
1519 let Inst{3-0} = Sm{4-1};
1520 let Inst{5} = Sm{0};
1521 let Inst{19-16} = Sn{4-1};
1522 let Inst{7} = Sn{0};
1523 let Inst{15-12} = Sd{4-1};
1524 let Inst{22} = Sd{0};
1527 // VFP conversion instructions
1528 class AVConv1I<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<4> opcod4,
1529 dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1531 : VFPAI<oops, iops, VFPConv1Frm, itin, opc, asm, pattern> {
1532 let Inst{27-23} = opcod1;
1533 let Inst{21-20} = opcod2;
1534 let Inst{19-16} = opcod3;
1535 let Inst{11-8} = opcod4;
1540 // VFP conversion between floating-point and fixed-point
1541 class AVConv1XI<bits<5> op1, bits<2> op2, bits<4> op3, bits<4> op4, bit op5,
1542 dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1544 : AVConv1I<op1, op2, op3, op4, oops, iops, itin, opc, asm, pattern> {
1545 // size (fixed-point number): sx == 0 ? 16 : 32
1546 let Inst{7} = op5; // sx
1549 // VFP conversion instructions, if no NEON
1550 class AVConv1In<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<4> opcod4,
1551 dag oops, dag iops, InstrItinClass itin,
1552 string opc, string asm, list<dag> pattern>
1553 : AVConv1I<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm,
1555 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1558 class AVConvXI<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops, Format f,
1559 InstrItinClass itin,
1560 string opc, string asm, list<dag> pattern>
1561 : VFPAI<oops, iops, f, itin, opc, asm, pattern> {
1562 let Inst{27-20} = opcod1;
1563 let Inst{11-8} = opcod2;
1567 class AVConv2I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1568 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1569 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv2Frm, itin, opc, asm, pattern>;
1571 class AVConv3I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1572 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1573 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv3Frm, itin, opc, asm, pattern>;
1575 class AVConv4I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1576 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1577 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv4Frm, itin, opc, asm, pattern>;
1579 class AVConv5I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1580 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1581 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv5Frm, itin, opc, asm, pattern>;
1583 //===----------------------------------------------------------------------===//
1585 //===----------------------------------------------------------------------===//
1586 // ARM NEON Instruction templates.
1589 class NeonI<dag oops, dag iops, AddrMode am, IndexMode im, Format f,
1590 InstrItinClass itin, string opc, string dt, string asm, string cstr,
1592 : InstARM<am, Size4Bytes, im, f, NeonDomain, cstr, itin> {
1593 let OutOperandList = oops;
1594 let InOperandList = !con(iops, (ins pred:$p));
1595 let AsmString = !strconcat(opc, "${p}", ".", dt, "\t", asm);
1596 let Pattern = pattern;
1597 list<Predicate> Predicates = [HasNEON];
1600 // Same as NeonI except it does not have a "data type" specifier.
1601 class NeonXI<dag oops, dag iops, AddrMode am, IndexMode im, Format f,
1602 InstrItinClass itin, string opc, string asm, string cstr,
1604 : InstARM<am, Size4Bytes, im, f, NeonDomain, cstr, itin> {
1605 let OutOperandList = oops;
1606 let InOperandList = !con(iops, (ins pred:$p));
1607 let AsmString = !strconcat(opc, "${p}", "\t", asm);
1608 let Pattern = pattern;
1609 list<Predicate> Predicates = [HasNEON];
1612 class NLdSt<bit op23, bits<2> op21_20, bits<4> op11_8, bits<4> op7_4,
1613 dag oops, dag iops, InstrItinClass itin,
1614 string opc, string dt, string asm, string cstr, list<dag> pattern>
1615 : NeonI<oops, iops, AddrMode6, IndexModeNone, NLdStFrm, itin, opc, dt, asm,
1617 let Inst{31-24} = 0b11110100;
1618 let Inst{23} = op23;
1619 let Inst{21-20} = op21_20;
1620 let Inst{11-8} = op11_8;
1621 let Inst{7-4} = op7_4;
1623 let PostEncoderMethod = "NEONThumb2LoadStorePostEncoder";
1629 let Inst{22} = Vd{4};
1630 let Inst{15-12} = Vd{3-0};
1631 let Inst{19-16} = Rn{3-0};
1632 let Inst{3-0} = Rm{3-0};
1635 class NLdStLn<bit op23, bits<2> op21_20, bits<4> op11_8, bits<4> op7_4,
1636 dag oops, dag iops, InstrItinClass itin,
1637 string opc, string dt, string asm, string cstr, list<dag> pattern>
1638 : NLdSt<op23, op21_20, op11_8, op7_4, oops, iops, itin, opc,
1639 dt, asm, cstr, pattern> {
1643 class PseudoNLdSt<dag oops, dag iops, InstrItinClass itin, string cstr>
1644 : InstARM<AddrMode6, Size4Bytes, IndexModeNone, Pseudo, NeonDomain, cstr,
1646 let OutOperandList = oops;
1647 let InOperandList = !con(iops, (ins pred:$p));
1648 list<Predicate> Predicates = [HasNEON];
1651 class PseudoNeonI<dag oops, dag iops, InstrItinClass itin, string cstr,
1653 : InstARM<AddrModeNone, Size4Bytes, IndexModeNone, Pseudo, NeonDomain, cstr,
1655 let OutOperandList = oops;
1656 let InOperandList = !con(iops, (ins pred:$p));
1657 let Pattern = pattern;
1658 list<Predicate> Predicates = [HasNEON];
1661 class NDataI<dag oops, dag iops, Format f, InstrItinClass itin,
1662 string opc, string dt, string asm, string cstr, list<dag> pattern>
1663 : NeonI<oops, iops, AddrModeNone, IndexModeNone, f, itin, opc, dt, asm, cstr,
1665 let Inst{31-25} = 0b1111001;
1666 let PostEncoderMethod = "NEONThumb2DataIPostEncoder";
1669 class NDataXI<dag oops, dag iops, Format f, InstrItinClass itin,
1670 string opc, string asm, string cstr, list<dag> pattern>
1671 : NeonXI<oops, iops, AddrModeNone, IndexModeNone, f, itin, opc, asm,
1673 let Inst{31-25} = 0b1111001;
1676 // NEON "one register and a modified immediate" format.
1677 class N1ModImm<bit op23, bits<3> op21_19, bits<4> op11_8, bit op7, bit op6,
1679 dag oops, dag iops, InstrItinClass itin,
1680 string opc, string dt, string asm, string cstr,
1682 : NDataI<oops, iops, N1RegModImmFrm, itin, opc, dt, asm, cstr, pattern> {
1683 let Inst{23} = op23;
1684 let Inst{21-19} = op21_19;
1685 let Inst{11-8} = op11_8;
1691 // Instruction operands.
1695 let Inst{15-12} = Vd{3-0};
1696 let Inst{22} = Vd{4};
1697 let Inst{24} = SIMM{7};
1698 let Inst{18-16} = SIMM{6-4};
1699 let Inst{3-0} = SIMM{3-0};
1702 // NEON 2 vector register format.
1703 class N2V<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18, bits<2> op17_16,
1704 bits<5> op11_7, bit op6, bit op4,
1705 dag oops, dag iops, InstrItinClass itin,
1706 string opc, string dt, string asm, string cstr, list<dag> pattern>
1707 : NDataI<oops, iops, N2RegFrm, itin, opc, dt, asm, cstr, pattern> {
1708 let Inst{24-23} = op24_23;
1709 let Inst{21-20} = op21_20;
1710 let Inst{19-18} = op19_18;
1711 let Inst{17-16} = op17_16;
1712 let Inst{11-7} = op11_7;
1716 // Instruction operands.
1720 let Inst{15-12} = Vd{3-0};
1721 let Inst{22} = Vd{4};
1722 let Inst{3-0} = Vm{3-0};
1723 let Inst{5} = Vm{4};
1726 // Same as N2V except it doesn't have a datatype suffix.
1727 class N2VX<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18, bits<2> op17_16,
1728 bits<5> op11_7, bit op6, bit op4,
1729 dag oops, dag iops, InstrItinClass itin,
1730 string opc, string asm, string cstr, list<dag> pattern>
1731 : NDataXI<oops, iops, N2RegFrm, itin, opc, asm, cstr, pattern> {
1732 let Inst{24-23} = op24_23;
1733 let Inst{21-20} = op21_20;
1734 let Inst{19-18} = op19_18;
1735 let Inst{17-16} = op17_16;
1736 let Inst{11-7} = op11_7;
1740 // Instruction operands.
1744 let Inst{15-12} = Vd{3-0};
1745 let Inst{22} = Vd{4};
1746 let Inst{3-0} = Vm{3-0};
1747 let Inst{5} = Vm{4};
1750 // NEON 2 vector register with immediate.
1751 class N2VImm<bit op24, bit op23, bits<4> op11_8, bit op7, bit op6, bit op4,
1752 dag oops, dag iops, Format f, InstrItinClass itin,
1753 string opc, string dt, string asm, string cstr, list<dag> pattern>
1754 : NDataI<oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1755 let Inst{24} = op24;
1756 let Inst{23} = op23;
1757 let Inst{11-8} = op11_8;
1762 // Instruction operands.
1767 let Inst{15-12} = Vd{3-0};
1768 let Inst{22} = Vd{4};
1769 let Inst{3-0} = Vm{3-0};
1770 let Inst{5} = Vm{4};
1771 let Inst{21-16} = SIMM{5-0};
1774 // NEON 3 vector register format.
1775 class N3V<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6, bit op4,
1776 dag oops, dag iops, Format f, InstrItinClass itin,
1777 string opc, string dt, string asm, string cstr, list<dag> pattern>
1778 : NDataI<oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1779 let Inst{24} = op24;
1780 let Inst{23} = op23;
1781 let Inst{21-20} = op21_20;
1782 let Inst{11-8} = op11_8;
1786 // Instruction operands.
1791 let Inst{15-12} = Vd{3-0};
1792 let Inst{22} = Vd{4};
1793 let Inst{19-16} = Vn{3-0};
1794 let Inst{7} = Vn{4};
1795 let Inst{3-0} = Vm{3-0};
1796 let Inst{5} = Vm{4};
1799 // Same as N3V except it doesn't have a data type suffix.
1800 class N3VX<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6,
1802 dag oops, dag iops, Format f, InstrItinClass itin,
1803 string opc, string asm, string cstr, list<dag> pattern>
1804 : NDataXI<oops, iops, f, itin, opc, asm, cstr, pattern> {
1805 let Inst{24} = op24;
1806 let Inst{23} = op23;
1807 let Inst{21-20} = op21_20;
1808 let Inst{11-8} = op11_8;
1812 // Instruction operands.
1817 let Inst{15-12} = Vd{3-0};
1818 let Inst{22} = Vd{4};
1819 let Inst{19-16} = Vn{3-0};
1820 let Inst{7} = Vn{4};
1821 let Inst{3-0} = Vm{3-0};
1822 let Inst{5} = Vm{4};
1825 // NEON VMOVs between scalar and core registers.
1826 class NVLaneOp<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1827 dag oops, dag iops, Format f, InstrItinClass itin,
1828 string opc, string dt, string asm, list<dag> pattern>
1829 : InstARM<AddrModeNone, Size4Bytes, IndexModeNone, f, NeonDomain,
1831 let Inst{27-20} = opcod1;
1832 let Inst{11-8} = opcod2;
1833 let Inst{6-5} = opcod3;
1836 let OutOperandList = oops;
1837 let InOperandList = !con(iops, (ins pred:$p));
1838 let AsmString = !strconcat(opc, "${p}", ".", dt, "\t", asm);
1839 let Pattern = pattern;
1840 list<Predicate> Predicates = [HasNEON];
1842 let PostEncoderMethod = "NEONThumb2DupPostEncoder";
1849 let Inst{31-28} = p{3-0};
1851 let Inst{19-16} = V{3-0};
1852 let Inst{15-12} = R{3-0};
1854 class NVGetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1855 dag oops, dag iops, InstrItinClass itin,
1856 string opc, string dt, string asm, list<dag> pattern>
1857 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NGetLnFrm, itin,
1858 opc, dt, asm, pattern>;
1859 class NVSetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1860 dag oops, dag iops, InstrItinClass itin,
1861 string opc, string dt, string asm, list<dag> pattern>
1862 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NSetLnFrm, itin,
1863 opc, dt, asm, pattern>;
1864 class NVDup<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1865 dag oops, dag iops, InstrItinClass itin,
1866 string opc, string dt, string asm, list<dag> pattern>
1867 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NDupFrm, itin,
1868 opc, dt, asm, pattern>;
1870 // Vector Duplicate Lane (from scalar to all elements)
1871 class NVDupLane<bits<4> op19_16, bit op6, dag oops, dag iops,
1872 InstrItinClass itin, string opc, string dt, string asm,
1874 : NDataI<oops, iops, NVDupLnFrm, itin, opc, dt, asm, "", pattern> {
1875 let Inst{24-23} = 0b11;
1876 let Inst{21-20} = 0b11;
1877 let Inst{19-16} = op19_16;
1878 let Inst{11-7} = 0b11000;
1886 let Inst{22} = Vd{4};
1887 let Inst{15-12} = Vd{3-0};
1888 let Inst{5} = Vm{4};
1889 let Inst{3-0} = Vm{3-0};
1892 // NEONFPPat - Same as Pat<>, but requires that the compiler be using NEON
1893 // for single-precision FP.
1894 class NEONFPPat<dag pattern, dag result> : Pat<pattern, result> {
1895 list<Predicate> Predicates = [HasNEON,UseNEONForFP];