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>;
434 // LDR/LDRB/STR/STRB/...
435 class AI2ldst<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;
461 class AI2stridx<bit isByte, bit isPre, dag oops, dag iops,
462 IndexMode im, Format f, InstrItinClass itin, string opc,
463 string asm, string cstr, list<dag> pattern>
464 : AI2ldstidx<0, isByte, isPre, oops, iops, im, f, itin, opc, asm, cstr,
466 // AM2 store w/ two operands: (GPR, am2offset)
467 // {13} 1 == Rm, 0 == imm12
472 let Inst{25} = offset{13};
473 let Inst{23} = offset{12};
474 let Inst{19-16} = Rn;
475 let Inst{11-0} = offset{11-0};
478 // addrmode3 instructions
479 class AI3ld<bits<4> op, bit op20, dag oops, dag iops, Format f,
480 InstrItinClass itin, string opc, string asm, list<dag> pattern>
481 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
482 opc, asm, "", pattern> {
485 let Inst{27-25} = 0b000;
486 let Inst{24} = 1; // P bit
487 let Inst{23} = addr{8}; // U bit
488 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
489 let Inst{21} = 0; // W bit
490 let Inst{20} = op20; // L bit
491 let Inst{19-16} = addr{12-9}; // Rn
492 let Inst{15-12} = Rt; // Rt
493 let Inst{11-8} = addr{7-4}; // imm7_4/zero
495 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
498 class AI3ldstidx<bits<4> op, bit op20, bit isLd, bit isPre, dag oops, dag iops,
499 IndexMode im, Format f, InstrItinClass itin, string opc,
500 string asm, string cstr, list<dag> pattern>
501 : I<oops, iops, AddrMode3, Size4Bytes, im, f, itin,
502 opc, asm, cstr, pattern> {
504 let Inst{27-25} = 0b000;
505 let Inst{24} = isPre; // P bit
506 let Inst{21} = isPre; // W bit
507 let Inst{20} = op20; // L bit
508 let Inst{15-12} = Rt; // Rt
513 class AI3str<bits<4> op, dag oops, dag iops, Format f, InstrItinClass itin,
514 string opc, string asm, list<dag> pattern>
515 : I<oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, itin,
516 opc, asm, "", pattern> {
519 let Inst{27-25} = 0b000;
520 let Inst{24} = 1; // P bit
521 let Inst{23} = addr{8}; // U bit
522 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
523 let Inst{21} = 0; // W bit
524 let Inst{20} = 0; // L bit
525 let Inst{19-16} = addr{12-9}; // Rn
526 let Inst{15-12} = Rt; // Rt
527 let Inst{11-8} = addr{7-4}; // imm7_4/zero
529 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
532 // Pre-indexed stores
533 class AI3sthpr<dag oops, dag iops, Format f, InstrItinClass itin,
534 string opc, string asm, string cstr, list<dag> pattern>
535 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
536 opc, asm, cstr, pattern> {
538 let Inst{5} = 1; // H bit
539 let Inst{6} = 0; // S bit
541 let Inst{20} = 0; // L bit
542 let Inst{21} = 1; // W bit
543 let Inst{24} = 1; // P bit
544 let Inst{27-25} = 0b000;
546 class AI3stdpr<dag oops, dag iops, Format f, InstrItinClass itin,
547 string opc, string asm, string cstr, list<dag> pattern>
548 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, itin,
549 opc, asm, cstr, pattern> {
551 let Inst{5} = 1; // H bit
552 let Inst{6} = 1; // S bit
554 let Inst{20} = 0; // L bit
555 let Inst{21} = 1; // W bit
556 let Inst{24} = 1; // P bit
557 let Inst{27-25} = 0b000;
560 // Post-indexed stores
561 class AI3sthpo<dag oops, dag iops, Format f, InstrItinClass itin,
562 string opc, string asm, string cstr, list<dag> pattern>
563 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
564 opc, asm, cstr,pattern> {
566 let Inst{5} = 1; // H bit
567 let Inst{6} = 0; // S bit
569 let Inst{20} = 0; // L bit
570 let Inst{21} = 0; // W bit
571 let Inst{24} = 0; // P bit
572 let Inst{27-25} = 0b000;
574 class AI3stdpo<dag oops, dag iops, Format f, InstrItinClass itin,
575 string opc, string asm, string cstr, list<dag> pattern>
576 : I<oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, itin,
577 opc, asm, cstr, pattern> {
579 let Inst{5} = 1; // H bit
580 let Inst{6} = 1; // S bit
582 let Inst{20} = 0; // L bit
583 let Inst{21} = 0; // W bit
584 let Inst{24} = 0; // P bit
585 let Inst{27-25} = 0b000;
588 // addrmode4 instructions
589 class AXI4<dag oops, dag iops, IndexMode im, Format f, InstrItinClass itin,
590 string asm, string cstr, list<dag> pattern>
591 : XI<oops, iops, AddrMode4, Size4Bytes, im, f, itin, asm, cstr, pattern> {
596 let Inst{27-25} = 0b100;
597 let Inst{22} = 0; // S bit
598 let Inst{19-16} = Rn;
599 let Inst{15-0} = regs;
602 // Unsigned multiply, multiply-accumulate instructions.
603 class AMul1I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
604 string opc, string asm, list<dag> pattern>
605 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
606 opc, asm, "", pattern> {
607 let Inst{7-4} = 0b1001;
608 let Inst{20} = 0; // S bit
609 let Inst{27-21} = opcod;
611 class AsMul1I<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
612 string opc, string asm, list<dag> pattern>
613 : sI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
614 opc, asm, "", pattern> {
615 let Inst{7-4} = 0b1001;
616 let Inst{27-21} = opcod;
619 // Most significant word multiply
620 class AMul2I<bits<7> opcod, bits<4> opc7_4, dag oops, dag iops,
621 InstrItinClass itin, string opc, string asm, list<dag> pattern>
622 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
623 opc, asm, "", pattern> {
627 let Inst{7-4} = opc7_4;
629 let Inst{27-21} = opcod;
630 let Inst{19-16} = Rd;
634 // MSW multiple w/ Ra operand
635 class AMul2Ia<bits<7> opcod, bits<4> opc7_4, dag oops, dag iops,
636 InstrItinClass itin, string opc, string asm, list<dag> pattern>
637 : AMul2I<opcod, opc7_4, oops, iops, itin, opc, asm, pattern> {
639 let Inst{15-12} = Ra;
642 // SMUL<x><y> / SMULW<y> / SMLA<x><y> / SMLAW<x><y>
643 class AMulxyIbase<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
644 InstrItinClass itin, string opc, string asm, list<dag> pattern>
645 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, MulFrm, itin,
646 opc, asm, "", pattern> {
652 let Inst{27-21} = opcod;
653 let Inst{6-5} = bit6_5;
657 class AMulxyI<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
658 InstrItinClass itin, string opc, string asm, list<dag> pattern>
659 : AMulxyIbase<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
661 let Inst{19-16} = Rd;
664 // AMulxyI with Ra operand
665 class AMulxyIa<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
666 InstrItinClass itin, string opc, string asm, list<dag> pattern>
667 : AMulxyI<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
669 let Inst{15-12} = Ra;
672 class AMulxyI64<bits<7> opcod, bits<2> bit6_5, dag oops, dag iops,
673 InstrItinClass itin, string opc, string asm, list<dag> pattern>
674 : AMulxyIbase<opcod, bit6_5, oops, iops, itin, opc, asm, pattern> {
677 let Inst{19-16} = RdHi;
678 let Inst{15-12} = RdLo;
681 // Extend instructions.
682 class AExtI<bits<8> opcod, dag oops, dag iops, InstrItinClass itin,
683 string opc, string asm, list<dag> pattern>
684 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ExtFrm, itin,
685 opc, asm, "", pattern> {
686 // All AExtI instructions have Rd and Rm register operands.
689 let Inst{15-12} = Rd;
691 let Inst{7-4} = 0b0111;
692 let Inst{9-8} = 0b00;
693 let Inst{27-20} = opcod;
696 // Misc Arithmetic instructions.
697 class AMiscA1I<bits<8> opcod, bits<4> opc7_4, dag oops, dag iops,
698 InstrItinClass itin, string opc, string asm, list<dag> pattern>
699 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ArithMiscFrm, itin,
700 opc, asm, "", pattern> {
703 let Inst{27-20} = opcod;
704 let Inst{19-16} = 0b1111;
705 let Inst{15-12} = Rd;
706 let Inst{11-8} = 0b1111;
707 let Inst{7-4} = opc7_4;
712 class APKHI<bits<8> opcod, bit tb, dag oops, dag iops, InstrItinClass itin,
713 string opc, string asm, list<dag> pattern>
714 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, ArithMiscFrm, itin,
715 opc, asm, "", pattern> {
720 let Inst{27-20} = opcod;
721 let Inst{19-16} = Rn;
722 let Inst{15-12} = Rd;
723 let Inst{11-7} = sh{7-3};
725 let Inst{5-4} = 0b01;
729 //===----------------------------------------------------------------------===//
731 // ARMPat - Same as Pat<>, but requires that the compiler be in ARM mode.
732 class ARMPat<dag pattern, dag result> : Pat<pattern, result> {
733 list<Predicate> Predicates = [IsARM];
735 class ARMV5TEPat<dag pattern, dag result> : Pat<pattern, result> {
736 list<Predicate> Predicates = [IsARM, HasV5TE];
738 class ARMV6Pat<dag pattern, dag result> : Pat<pattern, result> {
739 list<Predicate> Predicates = [IsARM, HasV6];
742 //===----------------------------------------------------------------------===//
744 // Thumb Instruction Format Definitions.
747 // TI - Thumb instruction.
749 class ThumbI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
750 InstrItinClass itin, string asm, string cstr, list<dag> pattern>
751 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
752 let OutOperandList = oops;
753 let InOperandList = iops;
755 let Pattern = pattern;
756 list<Predicate> Predicates = [IsThumb];
759 class TI<dag oops, dag iops, InstrItinClass itin, string asm, list<dag> pattern>
760 : ThumbI<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "", pattern>;
762 // Two-address instructions
763 class TIt<dag oops, dag iops, InstrItinClass itin, string asm,
765 : ThumbI<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "$lhs = $dst",
768 // tBL, tBX 32-bit instructions
769 class TIx2<bits<5> opcod1, bits<2> opcod2, bit opcod3,
770 dag oops, dag iops, InstrItinClass itin, string asm,
772 : ThumbI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>,
774 let Inst{31-27} = opcod1;
775 let Inst{15-14} = opcod2;
776 let Inst{12} = opcod3;
779 // BR_JT instructions
780 class TJTI<dag oops, dag iops, InstrItinClass itin, string asm,
782 : ThumbI<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
785 class Thumb1I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
786 InstrItinClass itin, string asm, string cstr, list<dag> pattern>
787 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
788 let OutOperandList = oops;
789 let InOperandList = iops;
791 let Pattern = pattern;
792 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
795 class T1I<dag oops, dag iops, InstrItinClass itin,
796 string asm, list<dag> pattern>
797 : Thumb1I<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "", pattern>;
798 class T1Ix2<dag oops, dag iops, InstrItinClass itin,
799 string asm, list<dag> pattern>
800 : Thumb1I<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>;
801 class T1JTI<dag oops, dag iops, InstrItinClass itin,
802 string asm, list<dag> pattern>
803 : Thumb1I<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
805 // Two-address instructions
806 class T1It<dag oops, dag iops, InstrItinClass itin,
807 string asm, string cstr, list<dag> pattern>
808 : Thumb1I<oops, iops, AddrModeNone, Size2Bytes, itin,
811 // Thumb1 instruction that can either be predicated or set CPSR.
812 class Thumb1sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
814 string opc, string asm, string cstr, list<dag> pattern>
815 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
816 let OutOperandList = !con(oops, (outs s_cc_out:$s));
817 let InOperandList = !con(iops, (ins pred:$p));
818 let AsmString = !strconcat(opc, "${s}${p}", asm);
819 let Pattern = pattern;
820 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
823 class T1sI<dag oops, dag iops, InstrItinClass itin,
824 string opc, string asm, list<dag> pattern>
825 : Thumb1sI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm, "", pattern>;
827 // Two-address instructions
828 class T1sIt<dag oops, dag iops, InstrItinClass itin,
829 string opc, string asm, list<dag> pattern>
830 : Thumb1sI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm,
831 "$lhs = $dst", pattern>;
833 // Thumb1 instruction that can be predicated.
834 class Thumb1pI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
836 string opc, string asm, string cstr, list<dag> pattern>
837 : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
838 let OutOperandList = oops;
839 let InOperandList = !con(iops, (ins pred:$p));
840 let AsmString = !strconcat(opc, "${p}", asm);
841 let Pattern = pattern;
842 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
845 class T1pI<dag oops, dag iops, InstrItinClass itin,
846 string opc, string asm, list<dag> pattern>
847 : Thumb1pI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm, "", pattern>;
849 // Two-address instructions
850 class T1pIt<dag oops, dag iops, InstrItinClass itin,
851 string opc, string asm, list<dag> pattern>
852 : Thumb1pI<oops, iops, AddrModeNone, Size2Bytes, itin, opc, asm,
853 "$lhs = $dst", pattern>;
855 class T1pI1<dag oops, dag iops, InstrItinClass itin,
856 string opc, string asm, list<dag> pattern>
857 : Thumb1pI<oops, iops, AddrModeT1_1, Size2Bytes, itin, opc, asm, "", pattern>;
858 class T1pI2<dag oops, dag iops, InstrItinClass itin,
859 string opc, string asm, list<dag> pattern>
860 : Thumb1pI<oops, iops, AddrModeT1_2, Size2Bytes, itin, opc, asm, "", pattern>;
861 class T1pI4<dag oops, dag iops, InstrItinClass itin,
862 string opc, string asm, list<dag> pattern>
863 : Thumb1pI<oops, iops, AddrModeT1_4, Size2Bytes, itin, opc, asm, "", pattern>;
864 class T1pIs<dag oops, dag iops,
865 InstrItinClass itin, string opc, string asm, list<dag> pattern>
866 : Thumb1pI<oops, iops, AddrModeT1_s, Size2Bytes, itin, opc, asm, "", pattern>;
868 class Encoding16 : Encoding {
869 let Inst{31-16} = 0x0000;
872 // A6.2 16-bit Thumb instruction encoding
873 class T1Encoding<bits<6> opcode> : Encoding16 {
874 let Inst{15-10} = opcode;
877 // A6.2.1 Shift (immediate), add, subtract, move, and compare encoding.
878 class T1General<bits<5> opcode> : Encoding16 {
879 let Inst{15-14} = 0b00;
880 let Inst{13-9} = opcode;
883 // A6.2.2 Data-processing encoding.
884 class T1DataProcessing<bits<4> opcode> : Encoding16 {
885 let Inst{15-10} = 0b010000;
886 let Inst{9-6} = opcode;
889 // A6.2.3 Special data instructions and branch and exchange encoding.
890 class T1Special<bits<4> opcode> : Encoding16 {
891 let Inst{15-10} = 0b010001;
892 let Inst{9-6} = opcode;
895 // A6.2.4 Load/store single data item encoding.
896 class T1LoadStore<bits<4> opA, bits<3> opB> : Encoding16 {
897 let Inst{15-12} = opA;
898 let Inst{11-9} = opB;
900 class T1LdSt<bits<3> opB> : T1LoadStore<0b0101, opB>;
901 class T1LdSt4Imm<bits<3> opB> : T1LoadStore<0b0110, opB>; // Immediate, 4 bytes
902 class T1LdSt1Imm<bits<3> opB> : T1LoadStore<0b0111, opB>; // Immediate, 1 byte
903 class T1LdSt2Imm<bits<3> opB> : T1LoadStore<0b1000, opB>; // Immediate, 2 bytes
904 class T1LdStSP<bits<3> opB> : T1LoadStore<0b1001, opB>; // SP relative
906 // A6.2.5 Miscellaneous 16-bit instructions encoding.
907 class T1Misc<bits<7> opcode> : Encoding16 {
908 let Inst{15-12} = 0b1011;
909 let Inst{11-5} = opcode;
912 // Thumb2I - Thumb2 instruction. Almost all Thumb2 instructions are predicable.
913 class Thumb2I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
915 string opc, string asm, string cstr, list<dag> pattern>
916 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
917 let OutOperandList = oops;
918 let InOperandList = !con(iops, (ins pred:$p));
919 let AsmString = !strconcat(opc, "${p}", asm);
920 let Pattern = pattern;
921 list<Predicate> Predicates = [IsThumb2];
924 // Same as Thumb2I except it can optionally modify CPSR. Note it's modeled as an
925 // input operand since by default it's a zero register. It will become an
926 // implicit def once it's "flipped".
928 // FIXME: This uses unified syntax so {s} comes before {p}. We should make it
930 class Thumb2sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
932 string opc, string asm, string cstr, list<dag> pattern>
933 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
934 let OutOperandList = oops;
935 let InOperandList = !con(iops, (ins pred:$p, cc_out:$s));
936 let AsmString = !strconcat(opc, "${s}${p}", asm);
937 let Pattern = pattern;
938 list<Predicate> Predicates = [IsThumb2];
942 class Thumb2XI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
944 string asm, string cstr, list<dag> pattern>
945 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
946 let OutOperandList = oops;
947 let InOperandList = iops;
949 let Pattern = pattern;
950 list<Predicate> Predicates = [IsThumb2];
953 class ThumbXI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
955 string asm, string cstr, list<dag> pattern>
956 : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
957 let OutOperandList = oops;
958 let InOperandList = iops;
960 let Pattern = pattern;
961 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
964 class T2I<dag oops, dag iops, InstrItinClass itin,
965 string opc, string asm, list<dag> pattern>
966 : Thumb2I<oops, iops, AddrModeNone, Size4Bytes, itin, opc, asm, "", pattern>;
967 class T2Ii12<dag oops, dag iops, InstrItinClass itin,
968 string opc, string asm, list<dag> pattern>
969 : Thumb2I<oops, iops, AddrModeT2_i12, Size4Bytes, itin, opc, asm, "",pattern>;
970 class T2Ii8<dag oops, dag iops, InstrItinClass itin,
971 string opc, string asm, list<dag> pattern>
972 : Thumb2I<oops, iops, AddrModeT2_i8, Size4Bytes, itin, opc, asm, "", pattern>;
973 class T2Iso<dag oops, dag iops, InstrItinClass itin,
974 string opc, string asm, list<dag> pattern>
975 : Thumb2I<oops, iops, AddrModeT2_so, Size4Bytes, itin, opc, asm, "", pattern>;
976 class T2Ipc<dag oops, dag iops, InstrItinClass itin,
977 string opc, string asm, list<dag> pattern>
978 : Thumb2I<oops, iops, AddrModeT2_pc, Size4Bytes, itin, opc, asm, "", pattern>;
979 class T2Ii8s4<bit P, bit W, bit load, dag oops, dag iops, InstrItinClass itin,
980 string opc, string asm, list<dag> pattern>
981 : Thumb2I<oops, iops, AddrModeT2_i8s4, Size4Bytes, itin, opc, asm, "",
983 let Inst{31-27} = 0b11101;
984 let Inst{26-25} = 0b00;
986 let Inst{23} = ?; // The U bit.
992 class T2sI<dag oops, dag iops, InstrItinClass itin,
993 string opc, string asm, list<dag> pattern>
994 : Thumb2sI<oops, iops, AddrModeNone, Size4Bytes, itin, opc, asm, "", pattern>;
996 class T2XI<dag oops, dag iops, InstrItinClass itin,
997 string asm, list<dag> pattern>
998 : Thumb2XI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>;
999 class T2JTI<dag oops, dag iops, InstrItinClass itin,
1000 string asm, list<dag> pattern>
1001 : Thumb2XI<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
1003 class T2Ix2<dag oops, dag iops, InstrItinClass itin,
1004 string opc, string asm, list<dag> pattern>
1005 : Thumb2I<oops, iops, AddrModeNone, Size8Bytes, itin, opc, asm, "", pattern>;
1007 // Two-address instructions
1008 class T2XIt<dag oops, dag iops, InstrItinClass itin,
1009 string asm, string cstr, list<dag> pattern>
1010 : Thumb2XI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, cstr, pattern>;
1012 // T2Iidxldst - Thumb2 indexed load / store instructions.
1013 class T2Iidxldst<bit signed, bits<2> opcod, bit load, bit pre,
1015 AddrMode am, IndexMode im, InstrItinClass itin,
1016 string opc, string asm, string cstr, list<dag> pattern>
1017 : InstARM<am, Size4Bytes, im, ThumbFrm, GenericDomain, cstr, itin> {
1018 let OutOperandList = oops;
1019 let InOperandList = !con(iops, (ins pred:$p));
1020 let AsmString = !strconcat(opc, "${p}", asm);
1021 let Pattern = pattern;
1022 list<Predicate> Predicates = [IsThumb2];
1023 let Inst{31-27} = 0b11111;
1024 let Inst{26-25} = 0b00;
1025 let Inst{24} = signed;
1027 let Inst{22-21} = opcod;
1028 let Inst{20} = load;
1030 // (P, W) = (1, 1) Pre-indexed or (0, 1) Post-indexed
1031 let Inst{10} = pre; // The P bit.
1032 let Inst{8} = 1; // The W bit.
1035 // Tv5Pat - Same as Pat<>, but requires V5T Thumb mode.
1036 class Tv5Pat<dag pattern, dag result> : Pat<pattern, result> {
1037 list<Predicate> Predicates = [IsThumb, IsThumb1Only, HasV5T];
1040 // T1Pat - Same as Pat<>, but requires that the compiler be in Thumb1 mode.
1041 class T1Pat<dag pattern, dag result> : Pat<pattern, result> {
1042 list<Predicate> Predicates = [IsThumb, IsThumb1Only];
1045 // T2Pat - Same as Pat<>, but requires that the compiler be in Thumb2 mode.
1046 class T2Pat<dag pattern, dag result> : Pat<pattern, result> {
1047 list<Predicate> Predicates = [IsThumb2];
1050 //===----------------------------------------------------------------------===//
1052 //===----------------------------------------------------------------------===//
1053 // ARM VFP Instruction templates.
1056 // Almost all VFP instructions are predicable.
1057 class VFPI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1058 IndexMode im, Format f, InstrItinClass itin,
1059 string opc, string asm, string cstr, list<dag> pattern>
1060 : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
1062 let Inst{31-28} = p;
1063 let OutOperandList = oops;
1064 let InOperandList = !con(iops, (ins pred:$p));
1065 let AsmString = !strconcat(opc, "${p}", asm);
1066 let Pattern = pattern;
1067 list<Predicate> Predicates = [HasVFP2];
1071 class VFPXI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
1072 IndexMode im, Format f, InstrItinClass itin,
1073 string asm, string cstr, list<dag> pattern>
1074 : InstARM<am, sz, im, f, VFPDomain, cstr, itin> {
1076 let Inst{31-28} = p;
1077 let OutOperandList = oops;
1078 let InOperandList = iops;
1079 let AsmString = asm;
1080 let Pattern = pattern;
1081 list<Predicate> Predicates = [HasVFP2];
1084 class VFPAI<dag oops, dag iops, Format f, InstrItinClass itin,
1085 string opc, string asm, list<dag> pattern>
1086 : VFPI<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, itin,
1087 opc, asm, "", pattern>;
1089 // ARM VFP addrmode5 loads and stores
1090 class ADI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
1091 InstrItinClass itin,
1092 string opc, string asm, list<dag> pattern>
1093 : VFPI<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
1094 VFPLdStFrm, itin, opc, asm, "", pattern> {
1095 // Instruction operands.
1099 // Encode instruction operands.
1100 let Inst{23} = addr{8}; // U (add = (U == '1'))
1101 let Inst{22} = Dd{4};
1102 let Inst{19-16} = addr{12-9}; // Rn
1103 let Inst{15-12} = Dd{3-0};
1104 let Inst{7-0} = addr{7-0}; // imm8
1106 // TODO: Mark the instructions with the appropriate subtarget info.
1107 let Inst{27-24} = opcod1;
1108 let Inst{21-20} = opcod2;
1109 let Inst{11-9} = 0b101;
1110 let Inst{8} = 1; // Double precision
1112 // 64-bit loads & stores operate on both NEON and VFP pipelines.
1113 let D = VFPNeonDomain;
1116 class ASI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
1117 InstrItinClass itin,
1118 string opc, string asm, list<dag> pattern>
1119 : VFPI<oops, iops, AddrMode5, Size4Bytes, IndexModeNone,
1120 VFPLdStFrm, itin, opc, asm, "", pattern> {
1121 // Instruction operands.
1125 // Encode instruction operands.
1126 let Inst{23} = addr{8}; // U (add = (U == '1'))
1127 let Inst{22} = Sd{0};
1128 let Inst{19-16} = addr{12-9}; // Rn
1129 let Inst{15-12} = Sd{4-1};
1130 let Inst{7-0} = addr{7-0}; // imm8
1132 // TODO: Mark the instructions with the appropriate subtarget info.
1133 let Inst{27-24} = opcod1;
1134 let Inst{21-20} = opcod2;
1135 let Inst{11-9} = 0b101;
1136 let Inst{8} = 0; // Single precision
1139 // VFP Load / store multiple pseudo instructions.
1140 class PseudoVFPLdStM<dag oops, dag iops, InstrItinClass itin, string cstr,
1142 : InstARM<AddrMode4, Size4Bytes, IndexModeNone, Pseudo, VFPNeonDomain,
1144 let OutOperandList = oops;
1145 let InOperandList = !con(iops, (ins pred:$p));
1146 let Pattern = pattern;
1147 list<Predicate> Predicates = [HasVFP2];
1150 // Load / store multiple
1151 class AXDI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
1152 string asm, string cstr, list<dag> pattern>
1153 : VFPXI<oops, iops, AddrMode4, Size4Bytes, im,
1154 VFPLdStMulFrm, itin, asm, cstr, pattern> {
1155 // Instruction operands.
1159 // Encode instruction operands.
1160 let Inst{19-16} = Rn;
1161 let Inst{22} = regs{12};
1162 let Inst{15-12} = regs{11-8};
1163 let Inst{7-0} = regs{7-0};
1165 // TODO: Mark the instructions with the appropriate subtarget info.
1166 let Inst{27-25} = 0b110;
1167 let Inst{11-9} = 0b101;
1168 let Inst{8} = 1; // Double precision
1170 // 64-bit loads & stores operate on both NEON and VFP pipelines.
1171 let D = VFPNeonDomain;
1174 class AXSI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
1175 string asm, string cstr, list<dag> pattern>
1176 : VFPXI<oops, iops, AddrMode4, Size4Bytes, im,
1177 VFPLdStMulFrm, itin, asm, cstr, pattern> {
1178 // Instruction operands.
1182 // Encode instruction operands.
1183 let Inst{19-16} = Rn;
1184 let Inst{22} = regs{8};
1185 let Inst{15-12} = regs{12-9};
1186 let Inst{7-0} = regs{7-0};
1188 // TODO: Mark the instructions with the appropriate subtarget info.
1189 let Inst{27-25} = 0b110;
1190 let Inst{11-9} = 0b101;
1191 let Inst{8} = 0; // Single precision
1194 // Double precision, unary
1195 class ADuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1196 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1197 string asm, list<dag> pattern>
1198 : VFPAI<oops, iops, VFPUnaryFrm, itin, opc, asm, pattern> {
1199 // Instruction operands.
1203 // Encode instruction operands.
1204 let Inst{3-0} = Dm{3-0};
1205 let Inst{5} = Dm{4};
1206 let Inst{15-12} = Dd{3-0};
1207 let Inst{22} = Dd{4};
1209 let Inst{27-23} = opcod1;
1210 let Inst{21-20} = opcod2;
1211 let Inst{19-16} = opcod3;
1212 let Inst{11-9} = 0b101;
1213 let Inst{8} = 1; // Double precision
1214 let Inst{7-6} = opcod4;
1215 let Inst{4} = opcod5;
1218 // Double precision, binary
1219 class ADbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1220 dag iops, InstrItinClass itin, string opc, string asm,
1222 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1223 // Instruction operands.
1228 // Encode instruction operands.
1229 let Inst{3-0} = Dm{3-0};
1230 let Inst{5} = Dm{4};
1231 let Inst{19-16} = Dn{3-0};
1232 let Inst{7} = Dn{4};
1233 let Inst{15-12} = Dd{3-0};
1234 let Inst{22} = Dd{4};
1236 let Inst{27-23} = opcod1;
1237 let Inst{21-20} = opcod2;
1238 let Inst{11-9} = 0b101;
1239 let Inst{8} = 1; // Double precision
1244 // Single precision, unary
1245 class ASuI<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1246 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1247 string asm, list<dag> pattern>
1248 : VFPAI<oops, iops, VFPUnaryFrm, itin, opc, asm, pattern> {
1249 // Instruction operands.
1253 // Encode instruction operands.
1254 let Inst{3-0} = Sm{4-1};
1255 let Inst{5} = Sm{0};
1256 let Inst{15-12} = Sd{4-1};
1257 let Inst{22} = Sd{0};
1259 let Inst{27-23} = opcod1;
1260 let Inst{21-20} = opcod2;
1261 let Inst{19-16} = opcod3;
1262 let Inst{11-9} = 0b101;
1263 let Inst{8} = 0; // Single precision
1264 let Inst{7-6} = opcod4;
1265 let Inst{4} = opcod5;
1268 // Single precision unary, if no NEON
1269 // Same as ASuI except not available if NEON is enabled
1270 class ASuIn<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<2> opcod4,
1271 bit opcod5, dag oops, dag iops, InstrItinClass itin, string opc,
1272 string asm, list<dag> pattern>
1273 : ASuI<opcod1, opcod2, opcod3, opcod4, opcod5, oops, iops, itin, opc, asm,
1275 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1278 // Single precision, binary
1279 class ASbI<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops, dag iops,
1280 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1281 : VFPAI<oops, iops, VFPBinaryFrm, itin, opc, asm, pattern> {
1282 // Instruction operands.
1287 // Encode instruction operands.
1288 let Inst{3-0} = Sm{4-1};
1289 let Inst{5} = Sm{0};
1290 let Inst{19-16} = Sn{4-1};
1291 let Inst{7} = Sn{0};
1292 let Inst{15-12} = Sd{4-1};
1293 let Inst{22} = Sd{0};
1295 let Inst{27-23} = opcod1;
1296 let Inst{21-20} = opcod2;
1297 let Inst{11-9} = 0b101;
1298 let Inst{8} = 0; // Single precision
1303 // Single precision binary, if no NEON
1304 // Same as ASbI except not available if NEON is enabled
1305 class ASbIn<bits<5> opcod1, bits<2> opcod2, bit op6, bit op4, dag oops,
1306 dag iops, InstrItinClass itin, string opc, string asm,
1308 : ASbI<opcod1, opcod2, op6, op4, oops, iops, itin, opc, asm, pattern> {
1309 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1311 // Instruction operands.
1316 // Encode instruction operands.
1317 let Inst{3-0} = Sm{4-1};
1318 let Inst{5} = Sm{0};
1319 let Inst{19-16} = Sn{4-1};
1320 let Inst{7} = Sn{0};
1321 let Inst{15-12} = Sd{4-1};
1322 let Inst{22} = Sd{0};
1325 // VFP conversion instructions
1326 class AVConv1I<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<4> opcod4,
1327 dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1329 : VFPAI<oops, iops, VFPConv1Frm, itin, opc, asm, pattern> {
1330 let Inst{27-23} = opcod1;
1331 let Inst{21-20} = opcod2;
1332 let Inst{19-16} = opcod3;
1333 let Inst{11-8} = opcod4;
1338 // VFP conversion between floating-point and fixed-point
1339 class AVConv1XI<bits<5> op1, bits<2> op2, bits<4> op3, bits<4> op4, bit op5,
1340 dag oops, dag iops, InstrItinClass itin, string opc, string asm,
1342 : AVConv1I<op1, op2, op3, op4, oops, iops, itin, opc, asm, pattern> {
1343 // size (fixed-point number): sx == 0 ? 16 : 32
1344 let Inst{7} = op5; // sx
1347 // VFP conversion instructions, if no NEON
1348 class AVConv1In<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, bits<4> opcod4,
1349 dag oops, dag iops, InstrItinClass itin,
1350 string opc, string asm, list<dag> pattern>
1351 : AVConv1I<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm,
1353 list<Predicate> Predicates = [HasVFP2,DontUseNEONForFP];
1356 class AVConvXI<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops, Format f,
1357 InstrItinClass itin,
1358 string opc, string asm, list<dag> pattern>
1359 : VFPAI<oops, iops, f, itin, opc, asm, pattern> {
1360 let Inst{27-20} = opcod1;
1361 let Inst{11-8} = opcod2;
1365 class AVConv2I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1366 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1367 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv2Frm, itin, opc, asm, pattern>;
1369 class AVConv3I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1370 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1371 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv3Frm, itin, opc, asm, pattern>;
1373 class AVConv4I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1374 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1375 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv4Frm, itin, opc, asm, pattern>;
1377 class AVConv5I<bits<8> opcod1, bits<4> opcod2, dag oops, dag iops,
1378 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1379 : AVConvXI<opcod1, opcod2, oops, iops, VFPConv5Frm, itin, opc, asm, pattern>;
1381 //===----------------------------------------------------------------------===//
1383 //===----------------------------------------------------------------------===//
1384 // ARM NEON Instruction templates.
1387 class NeonI<dag oops, dag iops, AddrMode am, IndexMode im, Format f,
1388 InstrItinClass itin, string opc, string dt, string asm, string cstr,
1390 : InstARM<am, Size4Bytes, im, f, NeonDomain, cstr, itin> {
1391 let OutOperandList = oops;
1392 let InOperandList = !con(iops, (ins pred:$p));
1393 let AsmString = !strconcat(opc, "${p}", ".", dt, "\t", asm);
1394 let Pattern = pattern;
1395 list<Predicate> Predicates = [HasNEON];
1398 // Same as NeonI except it does not have a "data type" specifier.
1399 class NeonXI<dag oops, dag iops, AddrMode am, IndexMode im, Format f,
1400 InstrItinClass itin, string opc, string asm, string cstr,
1402 : InstARM<am, Size4Bytes, im, f, NeonDomain, cstr, itin> {
1403 let OutOperandList = oops;
1404 let InOperandList = !con(iops, (ins pred:$p));
1405 let AsmString = !strconcat(opc, "${p}", "\t", asm);
1406 let Pattern = pattern;
1407 list<Predicate> Predicates = [HasNEON];
1410 class NLdSt<bit op23, bits<2> op21_20, bits<4> op11_8, bits<4> op7_4,
1411 dag oops, dag iops, InstrItinClass itin,
1412 string opc, string dt, string asm, string cstr, list<dag> pattern>
1413 : NeonI<oops, iops, AddrMode6, IndexModeNone, NLdStFrm, itin, opc, dt, asm,
1415 let Inst{31-24} = 0b11110100;
1416 let Inst{23} = op23;
1417 let Inst{21-20} = op21_20;
1418 let Inst{11-8} = op11_8;
1419 let Inst{7-4} = op7_4;
1421 let PostEncoderMethod = "NEONThumb2LoadStorePostEncoder";
1427 let Inst{22} = Vd{4};
1428 let Inst{15-12} = Vd{3-0};
1429 let Inst{19-16} = Rn{3-0};
1430 let Inst{3-0} = Rm{3-0};
1433 class NLdStLn<bit op23, bits<2> op21_20, bits<4> op11_8, bits<4> op7_4,
1434 dag oops, dag iops, InstrItinClass itin,
1435 string opc, string dt, string asm, string cstr, list<dag> pattern>
1436 : NLdSt<op23, op21_20, op11_8, op7_4, oops, iops, itin, opc,
1437 dt, asm, cstr, pattern> {
1441 class PseudoNLdSt<dag oops, dag iops, InstrItinClass itin, string cstr>
1442 : InstARM<AddrMode6, Size4Bytes, IndexModeNone, Pseudo, NeonDomain, cstr,
1444 let OutOperandList = oops;
1445 let InOperandList = !con(iops, (ins pred:$p));
1446 list<Predicate> Predicates = [HasNEON];
1449 class PseudoNeonI<dag oops, dag iops, InstrItinClass itin, string cstr,
1451 : InstARM<AddrModeNone, Size4Bytes, IndexModeNone, Pseudo, NeonDomain, cstr,
1453 let OutOperandList = oops;
1454 let InOperandList = !con(iops, (ins pred:$p));
1455 let Pattern = pattern;
1456 list<Predicate> Predicates = [HasNEON];
1459 class NDataI<dag oops, dag iops, Format f, InstrItinClass itin,
1460 string opc, string dt, string asm, string cstr, list<dag> pattern>
1461 : NeonI<oops, iops, AddrModeNone, IndexModeNone, f, itin, opc, dt, asm, cstr,
1463 let Inst{31-25} = 0b1111001;
1464 let PostEncoderMethod = "NEONThumb2DataIPostEncoder";
1467 class NDataXI<dag oops, dag iops, Format f, InstrItinClass itin,
1468 string opc, string asm, string cstr, list<dag> pattern>
1469 : NeonXI<oops, iops, AddrModeNone, IndexModeNone, f, itin, opc, asm,
1471 let Inst{31-25} = 0b1111001;
1474 // NEON "one register and a modified immediate" format.
1475 class N1ModImm<bit op23, bits<3> op21_19, bits<4> op11_8, bit op7, bit op6,
1477 dag oops, dag iops, InstrItinClass itin,
1478 string opc, string dt, string asm, string cstr,
1480 : NDataI<oops, iops, N1RegModImmFrm, itin, opc, dt, asm, cstr, pattern> {
1481 let Inst{23} = op23;
1482 let Inst{21-19} = op21_19;
1483 let Inst{11-8} = op11_8;
1489 // Instruction operands.
1493 let Inst{15-12} = Vd{3-0};
1494 let Inst{22} = Vd{4};
1495 let Inst{24} = SIMM{7};
1496 let Inst{18-16} = SIMM{6-4};
1497 let Inst{3-0} = SIMM{3-0};
1500 // NEON 2 vector register format.
1501 class N2V<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18, bits<2> op17_16,
1502 bits<5> op11_7, bit op6, bit op4,
1503 dag oops, dag iops, InstrItinClass itin,
1504 string opc, string dt, string asm, string cstr, list<dag> pattern>
1505 : NDataI<oops, iops, N2RegFrm, itin, opc, dt, asm, cstr, pattern> {
1506 let Inst{24-23} = op24_23;
1507 let Inst{21-20} = op21_20;
1508 let Inst{19-18} = op19_18;
1509 let Inst{17-16} = op17_16;
1510 let Inst{11-7} = op11_7;
1514 // Instruction operands.
1518 let Inst{15-12} = Vd{3-0};
1519 let Inst{22} = Vd{4};
1520 let Inst{3-0} = Vm{3-0};
1521 let Inst{5} = Vm{4};
1524 // Same as N2V except it doesn't have a datatype suffix.
1525 class N2VX<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18, bits<2> op17_16,
1526 bits<5> op11_7, bit op6, bit op4,
1527 dag oops, dag iops, InstrItinClass itin,
1528 string opc, string asm, string cstr, list<dag> pattern>
1529 : NDataXI<oops, iops, N2RegFrm, itin, opc, asm, cstr, pattern> {
1530 let Inst{24-23} = op24_23;
1531 let Inst{21-20} = op21_20;
1532 let Inst{19-18} = op19_18;
1533 let Inst{17-16} = op17_16;
1534 let Inst{11-7} = op11_7;
1538 // Instruction operands.
1542 let Inst{15-12} = Vd{3-0};
1543 let Inst{22} = Vd{4};
1544 let Inst{3-0} = Vm{3-0};
1545 let Inst{5} = Vm{4};
1548 // NEON 2 vector register with immediate.
1549 class N2VImm<bit op24, bit op23, bits<4> op11_8, bit op7, bit op6, bit op4,
1550 dag oops, dag iops, Format f, InstrItinClass itin,
1551 string opc, string dt, string asm, string cstr, list<dag> pattern>
1552 : NDataI<oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1553 let Inst{24} = op24;
1554 let Inst{23} = op23;
1555 let Inst{11-8} = op11_8;
1560 // Instruction operands.
1565 let Inst{15-12} = Vd{3-0};
1566 let Inst{22} = Vd{4};
1567 let Inst{3-0} = Vm{3-0};
1568 let Inst{5} = Vm{4};
1569 let Inst{21-16} = SIMM{5-0};
1572 // NEON 3 vector register format.
1573 class N3V<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6, bit op4,
1574 dag oops, dag iops, Format f, InstrItinClass itin,
1575 string opc, string dt, string asm, string cstr, list<dag> pattern>
1576 : NDataI<oops, iops, f, itin, opc, dt, asm, cstr, pattern> {
1577 let Inst{24} = op24;
1578 let Inst{23} = op23;
1579 let Inst{21-20} = op21_20;
1580 let Inst{11-8} = op11_8;
1584 // Instruction operands.
1589 let Inst{15-12} = Vd{3-0};
1590 let Inst{22} = Vd{4};
1591 let Inst{19-16} = Vn{3-0};
1592 let Inst{7} = Vn{4};
1593 let Inst{3-0} = Vm{3-0};
1594 let Inst{5} = Vm{4};
1597 // Same as N3V except it doesn't have a data type suffix.
1598 class N3VX<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op6,
1600 dag oops, dag iops, Format f, InstrItinClass itin,
1601 string opc, string asm, string cstr, list<dag> pattern>
1602 : NDataXI<oops, iops, f, itin, opc, asm, cstr, pattern> {
1603 let Inst{24} = op24;
1604 let Inst{23} = op23;
1605 let Inst{21-20} = op21_20;
1606 let Inst{11-8} = op11_8;
1610 // Instruction operands.
1615 let Inst{15-12} = Vd{3-0};
1616 let Inst{22} = Vd{4};
1617 let Inst{19-16} = Vn{3-0};
1618 let Inst{7} = Vn{4};
1619 let Inst{3-0} = Vm{3-0};
1620 let Inst{5} = Vm{4};
1623 // NEON VMOVs between scalar and core registers.
1624 class NVLaneOp<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1625 dag oops, dag iops, Format f, InstrItinClass itin,
1626 string opc, string dt, string asm, list<dag> pattern>
1627 : InstARM<AddrModeNone, Size4Bytes, IndexModeNone, f, NeonDomain,
1629 let Inst{27-20} = opcod1;
1630 let Inst{11-8} = opcod2;
1631 let Inst{6-5} = opcod3;
1634 let OutOperandList = oops;
1635 let InOperandList = !con(iops, (ins pred:$p));
1636 let AsmString = !strconcat(opc, "${p}", ".", dt, "\t", asm);
1637 let Pattern = pattern;
1638 list<Predicate> Predicates = [HasNEON];
1640 let PostEncoderMethod = "NEONThumb2DupPostEncoder";
1647 let Inst{31-28} = p{3-0};
1649 let Inst{19-16} = V{3-0};
1650 let Inst{15-12} = R{3-0};
1652 class NVGetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1653 dag oops, dag iops, InstrItinClass itin,
1654 string opc, string dt, string asm, list<dag> pattern>
1655 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NGetLnFrm, itin,
1656 opc, dt, asm, pattern>;
1657 class NVSetLane<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1658 dag oops, dag iops, InstrItinClass itin,
1659 string opc, string dt, string asm, list<dag> pattern>
1660 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NSetLnFrm, itin,
1661 opc, dt, asm, pattern>;
1662 class NVDup<bits<8> opcod1, bits<4> opcod2, bits<2> opcod3,
1663 dag oops, dag iops, InstrItinClass itin,
1664 string opc, string dt, string asm, list<dag> pattern>
1665 : NVLaneOp<opcod1, opcod2, opcod3, oops, iops, NDupFrm, itin,
1666 opc, dt, asm, pattern>;
1668 // Vector Duplicate Lane (from scalar to all elements)
1669 class NVDupLane<bits<4> op19_16, bit op6, dag oops, dag iops,
1670 InstrItinClass itin, string opc, string dt, string asm,
1672 : NDataI<oops, iops, NVDupLnFrm, itin, opc, dt, asm, "", pattern> {
1673 let Inst{24-23} = 0b11;
1674 let Inst{21-20} = 0b11;
1675 let Inst{19-16} = op19_16;
1676 let Inst{11-7} = 0b11000;
1684 let Inst{22} = Vd{4};
1685 let Inst{15-12} = Vd{3-0};
1686 let Inst{5} = Vm{4};
1687 let Inst{3-0} = Vm{3-0};
1690 // NEONFPPat - Same as Pat<>, but requires that the compiler be using NEON
1691 // for single-precision FP.
1692 class NEONFPPat<dag pattern, dag result> : Pat<pattern, result> {
1693 list<Predicate> Predicates = [HasNEON,UseNEONForFP];