1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
|
// Copyright 2013 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_COMPILER_MACHINE_OPERATOR_H_
#define V8_COMPILER_MACHINE_OPERATOR_H_
#include "src/base/compiler-specific.h"
#include "src/base/enum-set.h"
#include "src/base/flags.h"
#include "src/codegen/machine-type.h"
#include "src/compiler/globals.h"
#include "src/compiler/write-barrier-kind.h"
#include "src/zone/zone.h"
namespace v8 {
namespace internal {
namespace compiler {
// Forward declarations.
struct MachineOperatorGlobalCache;
class Operator;
// For operators that are not supported on all platforms.
class OptionalOperator final {
public:
OptionalOperator(bool supported, const Operator* op)
: supported_(supported), op_(op) {}
bool IsSupported() const { return supported_; }
// Gets the operator only if it is supported.
const Operator* op() const {
DCHECK(supported_);
return op_;
}
// Always gets the operator, even for unsupported operators. This is useful to
// use the operator as a placeholder in a graph, for instance.
const Operator* placeholder() const { return op_; }
private:
bool supported_;
const Operator* const op_;
};
// A Load needs a MachineType.
using LoadRepresentation = MachineType;
V8_EXPORT_PRIVATE LoadRepresentation LoadRepresentationOf(Operator const*)
V8_WARN_UNUSED_RESULT;
enum class LoadKind {
kNormal,
kUnaligned,
kProtected,
};
size_t hash_value(LoadKind);
V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream&, LoadKind);
enum class LoadTransformation {
kS8x16LoadSplat,
kS16x8LoadSplat,
kS32x4LoadSplat,
kS64x2LoadSplat,
kI16x8Load8x8S,
kI16x8Load8x8U,
kI32x4Load16x4S,
kI32x4Load16x4U,
kI64x2Load32x2S,
kI64x2Load32x2U,
};
size_t hash_value(LoadTransformation);
V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream&, LoadTransformation);
struct LoadTransformParameters {
LoadKind kind;
LoadTransformation transformation;
};
size_t hash_value(LoadTransformParameters);
V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream&,
LoadTransformParameters);
V8_EXPORT_PRIVATE LoadTransformParameters const& LoadTransformParametersOf(
Operator const*) V8_WARN_UNUSED_RESULT;
// A Store needs a MachineType and a WriteBarrierKind in order to emit the
// correct write barrier.
class StoreRepresentation final {
public:
StoreRepresentation(MachineRepresentation representation,
WriteBarrierKind write_barrier_kind)
: representation_(representation),
write_barrier_kind_(write_barrier_kind) {}
MachineRepresentation representation() const { return representation_; }
WriteBarrierKind write_barrier_kind() const { return write_barrier_kind_; }
private:
MachineRepresentation representation_;
WriteBarrierKind write_barrier_kind_;
};
V8_EXPORT_PRIVATE bool operator==(StoreRepresentation, StoreRepresentation);
bool operator!=(StoreRepresentation, StoreRepresentation);
size_t hash_value(StoreRepresentation);
V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream&, StoreRepresentation);
V8_EXPORT_PRIVATE StoreRepresentation const& StoreRepresentationOf(
Operator const*) V8_WARN_UNUSED_RESULT;
// An UnalignedStore needs a MachineType.
using UnalignedStoreRepresentation = MachineRepresentation;
UnalignedStoreRepresentation const& UnalignedStoreRepresentationOf(
Operator const*) V8_WARN_UNUSED_RESULT;
class StackSlotRepresentation final {
public:
StackSlotRepresentation(int size, int alignment)
: size_(size), alignment_(alignment) {}
int size() const { return size_; }
int alignment() const { return alignment_; }
private:
int size_;
int alignment_;
};
V8_EXPORT_PRIVATE bool operator==(StackSlotRepresentation,
StackSlotRepresentation);
bool operator!=(StackSlotRepresentation, StackSlotRepresentation);
size_t hash_value(StackSlotRepresentation);
V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream&,
StackSlotRepresentation);
V8_EXPORT_PRIVATE StackSlotRepresentation const& StackSlotRepresentationOf(
Operator const* op) V8_WARN_UNUSED_RESULT;
MachineRepresentation AtomicStoreRepresentationOf(Operator const* op)
V8_WARN_UNUSED_RESULT;
MachineType AtomicOpType(Operator const* op) V8_WARN_UNUSED_RESULT;
class S8x16ShuffleParameter {
public:
explicit S8x16ShuffleParameter(const uint8_t shuffle[16]) {
std::copy(shuffle, shuffle + 16, shuffle_.begin());
}
const std::array<uint8_t, 16>& shuffle() const { return shuffle_; }
const uint8_t* data() const { return shuffle_.data(); }
uint8_t operator[](int x) const { return shuffle_[x]; }
private:
std::array<uint8_t, 16> shuffle_;
};
V8_EXPORT_PRIVATE bool operator==(S8x16ShuffleParameter const& lhs,
S8x16ShuffleParameter const& rhs);
bool operator!=(S8x16ShuffleParameter const& lhs,
S8x16ShuffleParameter const& rhs);
size_t hash_value(S8x16ShuffleParameter const& p);
V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream&,
S8x16ShuffleParameter const&);
V8_EXPORT_PRIVATE S8x16ShuffleParameter const& S8x16ShuffleParameterOf(
Operator const* op) V8_WARN_UNUSED_RESULT;
StackCheckKind StackCheckKindOf(Operator const* op) V8_WARN_UNUSED_RESULT;
// Interface for building machine-level operators. These operators are
// machine-level but machine-independent and thus define a language suitable
// for generating code to run on architectures such as ia32, x64, arm, etc.
class V8_EXPORT_PRIVATE MachineOperatorBuilder final
: public NON_EXPORTED_BASE(ZoneObject) {
public:
// Flags that specify which operations are available. This is useful
// for operations that are unsupported by some back-ends.
enum Flag : unsigned {
kNoFlags = 0u,
kFloat32RoundDown = 1u << 0,
kFloat64RoundDown = 1u << 1,
kFloat32RoundUp = 1u << 2,
kFloat64RoundUp = 1u << 3,
kFloat32RoundTruncate = 1u << 4,
kFloat64RoundTruncate = 1u << 5,
kFloat32RoundTiesEven = 1u << 6,
kFloat64RoundTiesEven = 1u << 7,
kFloat64RoundTiesAway = 1u << 8,
kInt32DivIsSafe = 1u << 9,
kUint32DivIsSafe = 1u << 10,
kWord32ShiftIsSafe = 1u << 11,
kWord32Ctz = 1u << 12,
kWord64Ctz = 1u << 13,
kWord32Popcnt = 1u << 14,
kWord64Popcnt = 1u << 15,
kWord32ReverseBits = 1u << 16,
kWord64ReverseBits = 1u << 17,
kInt32AbsWithOverflow = 1u << 20,
kInt64AbsWithOverflow = 1u << 21,
kAllOptionalOps = kFloat32RoundDown | kFloat64RoundDown | kFloat32RoundUp |
kFloat64RoundUp | kFloat32RoundTruncate |
kFloat64RoundTruncate | kFloat64RoundTiesAway |
kFloat32RoundTiesEven | kFloat64RoundTiesEven |
kWord32Ctz | kWord64Ctz | kWord32Popcnt | kWord64Popcnt |
kWord32ReverseBits | kWord64ReverseBits |
kInt32AbsWithOverflow | kInt64AbsWithOverflow
};
using Flags = base::Flags<Flag, unsigned>;
class AlignmentRequirements {
public:
enum UnalignedAccessSupport { kNoSupport, kSomeSupport, kFullSupport };
bool IsUnalignedLoadSupported(MachineRepresentation rep) const {
return IsUnalignedSupported(unalignedLoadUnsupportedTypes_, rep);
}
bool IsUnalignedStoreSupported(MachineRepresentation rep) const {
return IsUnalignedSupported(unalignedStoreUnsupportedTypes_, rep);
}
static AlignmentRequirements FullUnalignedAccessSupport() {
return AlignmentRequirements(kFullSupport);
}
static AlignmentRequirements NoUnalignedAccessSupport() {
return AlignmentRequirements(kNoSupport);
}
static AlignmentRequirements SomeUnalignedAccessUnsupported(
base::EnumSet<MachineRepresentation> unalignedLoadUnsupportedTypes,
base::EnumSet<MachineRepresentation> unalignedStoreUnsupportedTypes) {
return AlignmentRequirements(kSomeSupport, unalignedLoadUnsupportedTypes,
unalignedStoreUnsupportedTypes);
}
private:
explicit AlignmentRequirements(
AlignmentRequirements::UnalignedAccessSupport unalignedAccessSupport,
base::EnumSet<MachineRepresentation> unalignedLoadUnsupportedTypes =
base::EnumSet<MachineRepresentation>(),
base::EnumSet<MachineRepresentation> unalignedStoreUnsupportedTypes =
base::EnumSet<MachineRepresentation>())
: unalignedSupport_(unalignedAccessSupport),
unalignedLoadUnsupportedTypes_(unalignedLoadUnsupportedTypes),
unalignedStoreUnsupportedTypes_(unalignedStoreUnsupportedTypes) {}
bool IsUnalignedSupported(base::EnumSet<MachineRepresentation> unsupported,
MachineRepresentation rep) const {
// All accesses of bytes in memory are aligned.
DCHECK_NE(MachineRepresentation::kWord8, rep);
switch (unalignedSupport_) {
case kFullSupport:
return true;
case kNoSupport:
return false;
case kSomeSupport:
return !unsupported.contains(rep);
}
UNREACHABLE();
}
const AlignmentRequirements::UnalignedAccessSupport unalignedSupport_;
const base::EnumSet<MachineRepresentation> unalignedLoadUnsupportedTypes_;
const base::EnumSet<MachineRepresentation> unalignedStoreUnsupportedTypes_;
};
explicit MachineOperatorBuilder(
Zone* zone,
MachineRepresentation word = MachineType::PointerRepresentation(),
Flags supportedOperators = kNoFlags,
AlignmentRequirements alignmentRequirements =
AlignmentRequirements::FullUnalignedAccessSupport());
const Operator* Comment(const char* msg);
const Operator* AbortCSAAssert();
const Operator* DebugBreak();
const Operator* UnsafePointerAdd();
const Operator* Word32And();
const Operator* Word32Or();
const Operator* Word32Xor();
const Operator* Word32Shl();
const Operator* Word32Shr();
const Operator* Word32Sar();
const Operator* Word32Ror();
const Operator* Word32Equal();
const Operator* Word32Clz();
const OptionalOperator Word32Ctz();
const OptionalOperator Word32Popcnt();
const OptionalOperator Word64Popcnt();
const OptionalOperator Word32ReverseBits();
const OptionalOperator Word64ReverseBits();
const Operator* Word32ReverseBytes();
const Operator* Word64ReverseBytes();
const Operator* Simd128ReverseBytes();
const OptionalOperator Int32AbsWithOverflow();
const OptionalOperator Int64AbsWithOverflow();
// Return true if the target's Word32 shift implementation is directly
// compatible with JavaScript's specification. Otherwise, we have to manually
// generate a mask with 0x1f on the amount ahead of generating the shift.
bool Word32ShiftIsSafe() const { return flags_ & kWord32ShiftIsSafe; }
const Operator* Word64And();
const Operator* Word64Or();
const Operator* Word64Xor();
const Operator* Word64Shl();
const Operator* Word64Shr();
const Operator* Word64Sar();
const Operator* Word64Ror();
const Operator* Word64Clz();
const OptionalOperator Word64Ctz();
const Operator* Word64Equal();
const Operator* Int32PairAdd();
const Operator* Int32PairSub();
const Operator* Int32PairMul();
const Operator* Word32PairShl();
const Operator* Word32PairShr();
const Operator* Word32PairSar();
const Operator* Int32Add();
const Operator* Int32AddWithOverflow();
const Operator* Int32Sub();
const Operator* Int32SubWithOverflow();
const Operator* Int32Mul();
const Operator* Int32MulWithOverflow();
const Operator* Int32MulHigh();
const Operator* Int32Div();
const Operator* Int32Mod();
const Operator* Int32LessThan();
const Operator* Int32LessThanOrEqual();
const Operator* Uint32Div();
const Operator* Uint32LessThan();
const Operator* Uint32LessThanOrEqual();
const Operator* Uint32Mod();
const Operator* Uint32MulHigh();
bool Int32DivIsSafe() const { return flags_ & kInt32DivIsSafe; }
bool Uint32DivIsSafe() const { return flags_ & kUint32DivIsSafe; }
const Operator* Int64Add();
const Operator* Int64AddWithOverflow();
const Operator* Int64Sub();
const Operator* Int64SubWithOverflow();
const Operator* Int64Mul();
const Operator* Int64Div();
const Operator* Int64Mod();
const Operator* Int64LessThan();
const Operator* Int64LessThanOrEqual();
const Operator* Uint64Div();
const Operator* Uint64LessThan();
const Operator* Uint64LessThanOrEqual();
const Operator* Uint64Mod();
// This operator reinterprets the bits of a tagged pointer as a word.
const Operator* BitcastTaggedToWord();
// This operator reinterprets the bits of a tagged value as a word preserving
// non-pointer bits (all the bits that are not modified by GC):
// 1) smi tag
// 2) weak tag
// 3) smi payload if the tagged value is a smi.
// Note, that it's illegal to "look" at the pointer bits of non-smi values.
const Operator* BitcastTaggedToWordForTagAndSmiBits();
// This operator reinterprets the bits of a tagged MaybeObject pointer as
// word.
const Operator* BitcastMaybeObjectToWord();
// This operator reinterprets the bits of a word as tagged pointer.
const Operator* BitcastWordToTagged();
// This operator reinterprets the bits of a word as a Smi.
const Operator* BitcastWordToTaggedSigned();
// JavaScript float64 to int32/uint32 truncation.
const Operator* TruncateFloat64ToWord32();
// These operators change the representation of numbers while preserving the
// value of the number. Narrowing operators assume the input is representable
// in the target type and are *not* defined for other inputs.
// Use narrowing change operators only when there is a static guarantee that
// the input value is representable in the target value.
const Operator* ChangeFloat32ToFloat64();
const Operator* ChangeFloat64ToInt32(); // narrowing
const Operator* ChangeFloat64ToInt64();
const Operator* ChangeFloat64ToUint32(); // narrowing
const Operator* ChangeFloat64ToUint64();
const Operator* TruncateFloat64ToInt64();
const Operator* TruncateFloat64ToUint32();
const Operator* TruncateFloat32ToInt32();
const Operator* TruncateFloat32ToUint32();
const Operator* TryTruncateFloat32ToInt64();
const Operator* TryTruncateFloat64ToInt64();
const Operator* TryTruncateFloat32ToUint64();
const Operator* TryTruncateFloat64ToUint64();
const Operator* ChangeInt32ToFloat64();
const Operator* BitcastWord32ToWord64();
const Operator* ChangeInt32ToInt64();
const Operator* ChangeInt64ToFloat64();
const Operator* ChangeUint32ToFloat64();
const Operator* ChangeUint32ToUint64();
// These operators truncate or round numbers, both changing the representation
// of the number and mapping multiple input values onto the same output value.
const Operator* TruncateFloat64ToFloat32();
const Operator* TruncateInt64ToInt32();
const Operator* RoundFloat64ToInt32();
const Operator* RoundInt32ToFloat32();
const Operator* RoundInt64ToFloat32();
const Operator* RoundInt64ToFloat64();
const Operator* RoundUint32ToFloat32();
const Operator* RoundUint64ToFloat32();
const Operator* RoundUint64ToFloat64();
// These operators reinterpret the bits of a floating point number as an
// integer and vice versa.
const Operator* BitcastFloat32ToInt32();
const Operator* BitcastFloat64ToInt64();
const Operator* BitcastInt32ToFloat32();
const Operator* BitcastInt64ToFloat64();
// These operators sign-extend to Int32/Int64
const Operator* SignExtendWord8ToInt32();
const Operator* SignExtendWord16ToInt32();
const Operator* SignExtendWord8ToInt64();
const Operator* SignExtendWord16ToInt64();
const Operator* SignExtendWord32ToInt64();
// Floating point operators always operate with IEEE 754 round-to-nearest
// (single-precision).
const Operator* Float32Add();
const Operator* Float32Sub();
const Operator* Float32Mul();
const Operator* Float32Div();
const Operator* Float32Sqrt();
// Floating point operators always operate with IEEE 754 round-to-nearest
// (double-precision).
const Operator* Float64Add();
const Operator* Float64Sub();
const Operator* Float64Mul();
const Operator* Float64Div();
const Operator* Float64Mod();
const Operator* Float64Sqrt();
// Floating point comparisons complying to IEEE 754 (single-precision).
const Operator* Float32Equal();
const Operator* Float32LessThan();
const Operator* Float32LessThanOrEqual();
// Floating point comparisons complying to IEEE 754 (double-precision).
const Operator* Float64Equal();
const Operator* Float64LessThan();
const Operator* Float64LessThanOrEqual();
// Floating point min/max complying to EcmaScript 6 (double-precision).
const Operator* Float64Max();
const Operator* Float64Min();
// Floating point min/max complying to WebAssembly (single-precision).
const Operator* Float32Max();
const Operator* Float32Min();
// Floating point abs complying to IEEE 754 (single-precision).
const Operator* Float32Abs();
// Floating point abs complying to IEEE 754 (double-precision).
const Operator* Float64Abs();
// Floating point rounding.
const OptionalOperator Float32RoundDown();
const OptionalOperator Float64RoundDown();
const OptionalOperator Float32RoundUp();
const OptionalOperator Float64RoundUp();
const OptionalOperator Float32RoundTruncate();
const OptionalOperator Float64RoundTruncate();
const OptionalOperator Float64RoundTiesAway();
const OptionalOperator Float32RoundTiesEven();
const OptionalOperator Float64RoundTiesEven();
// Floating point neg.
const Operator* Float32Neg();
const Operator* Float64Neg();
// Floating point trigonometric functions (double-precision).
const Operator* Float64Acos();
const Operator* Float64Acosh();
const Operator* Float64Asin();
const Operator* Float64Asinh();
const Operator* Float64Atan();
const Operator* Float64Atan2();
const Operator* Float64Atanh();
const Operator* Float64Cos();
const Operator* Float64Cosh();
const Operator* Float64Sin();
const Operator* Float64Sinh();
const Operator* Float64Tan();
const Operator* Float64Tanh();
// Floating point exponential functions (double-precision).
const Operator* Float64Exp();
const Operator* Float64Expm1();
const Operator* Float64Pow();
// Floating point logarithm (double-precision).
const Operator* Float64Log();
const Operator* Float64Log1p();
const Operator* Float64Log2();
const Operator* Float64Log10();
// Floating point cube root (double-precision).
const Operator* Float64Cbrt();
// Floating point bit representation.
const Operator* Float64ExtractLowWord32();
const Operator* Float64ExtractHighWord32();
const Operator* Float64InsertLowWord32();
const Operator* Float64InsertHighWord32();
// Change signalling NaN to quiet NaN.
// Identity for any input that is not signalling NaN.
const Operator* Float64SilenceNaN();
// SIMD operators.
const Operator* F64x2Splat();
const Operator* F64x2Abs();
const Operator* F64x2Neg();
const Operator* F64x2Sqrt();
const Operator* F64x2Add();
const Operator* F64x2Sub();
const Operator* F64x2Mul();
const Operator* F64x2Div();
const Operator* F64x2ExtractLane(int32_t);
const Operator* F64x2Min();
const Operator* F64x2Max();
const Operator* F64x2ReplaceLane(int32_t);
const Operator* F64x2Eq();
const Operator* F64x2Ne();
const Operator* F64x2Lt();
const Operator* F64x2Le();
const Operator* F64x2Qfma();
const Operator* F64x2Qfms();
const Operator* F32x4Splat();
const Operator* F32x4ExtractLane(int32_t);
const Operator* F32x4ReplaceLane(int32_t);
const Operator* F32x4SConvertI32x4();
const Operator* F32x4UConvertI32x4();
const Operator* F32x4Abs();
const Operator* F32x4Neg();
const Operator* F32x4Sqrt();
const Operator* F32x4RecipApprox();
const Operator* F32x4RecipSqrtApprox();
const Operator* F32x4Add();
const Operator* F32x4AddHoriz();
const Operator* F32x4Sub();
const Operator* F32x4Mul();
const Operator* F32x4Div();
const Operator* F32x4Min();
const Operator* F32x4Max();
const Operator* F32x4Eq();
const Operator* F32x4Ne();
const Operator* F32x4Lt();
const Operator* F32x4Le();
const Operator* F32x4Qfma();
const Operator* F32x4Qfms();
const Operator* I64x2Splat();
const Operator* I64x2SplatI32Pair();
const Operator* I64x2ExtractLane(int32_t);
const Operator* I64x2ReplaceLane(int32_t);
const Operator* I64x2ReplaceLaneI32Pair(int32_t);
const Operator* I64x2Neg();
const Operator* I64x2Shl();
const Operator* I64x2ShrS();
const Operator* I64x2Add();
const Operator* I64x2Sub();
const Operator* I64x2Mul();
const Operator* I64x2MinS();
const Operator* I64x2MaxS();
const Operator* I64x2Eq();
const Operator* I64x2Ne();
const Operator* I64x2GtS();
const Operator* I64x2GeS();
const Operator* I64x2ShrU();
const Operator* I64x2MinU();
const Operator* I64x2MaxU();
const Operator* I64x2GtU();
const Operator* I64x2GeU();
const Operator* I32x4Splat();
const Operator* I32x4ExtractLane(int32_t);
const Operator* I32x4ReplaceLane(int32_t);
const Operator* I32x4SConvertF32x4();
const Operator* I32x4SConvertI16x8Low();
const Operator* I32x4SConvertI16x8High();
const Operator* I32x4Neg();
const Operator* I32x4Shl();
const Operator* I32x4ShrS();
const Operator* I32x4Add();
const Operator* I32x4AddHoriz();
const Operator* I32x4Sub();
const Operator* I32x4Mul();
const Operator* I32x4MinS();
const Operator* I32x4MaxS();
const Operator* I32x4Eq();
const Operator* I32x4Ne();
const Operator* I32x4GtS();
const Operator* I32x4GeS();
const Operator* I32x4UConvertF32x4();
const Operator* I32x4UConvertI16x8Low();
const Operator* I32x4UConvertI16x8High();
const Operator* I32x4ShrU();
const Operator* I32x4MinU();
const Operator* I32x4MaxU();
const Operator* I32x4GtU();
const Operator* I32x4GeU();
const Operator* I32x4Abs();
const Operator* I32x4BitMask();
const Operator* I16x8Splat();
const Operator* I16x8ExtractLaneU(int32_t);
const Operator* I16x8ExtractLaneS(int32_t);
const Operator* I16x8ReplaceLane(int32_t);
const Operator* I16x8SConvertI8x16Low();
const Operator* I16x8SConvertI8x16High();
const Operator* I16x8Neg();
const Operator* I16x8Shl();
const Operator* I16x8ShrS();
const Operator* I16x8SConvertI32x4();
const Operator* I16x8Add();
const Operator* I16x8AddSaturateS();
const Operator* I16x8AddHoriz();
const Operator* I16x8Sub();
const Operator* I16x8SubSaturateS();
const Operator* I16x8Mul();
const Operator* I16x8MinS();
const Operator* I16x8MaxS();
const Operator* I16x8Eq();
const Operator* I16x8Ne();
const Operator* I16x8GtS();
const Operator* I16x8GeS();
const Operator* I16x8UConvertI8x16Low();
const Operator* I16x8UConvertI8x16High();
const Operator* I16x8ShrU();
const Operator* I16x8UConvertI32x4();
const Operator* I16x8AddSaturateU();
const Operator* I16x8SubSaturateU();
const Operator* I16x8MinU();
const Operator* I16x8MaxU();
const Operator* I16x8GtU();
const Operator* I16x8GeU();
const Operator* I16x8RoundingAverageU();
const Operator* I16x8Abs();
const Operator* I16x8BitMask();
const Operator* I8x16Splat();
const Operator* I8x16ExtractLaneU(int32_t);
const Operator* I8x16ExtractLaneS(int32_t);
const Operator* I8x16ReplaceLane(int32_t);
const Operator* I8x16Neg();
const Operator* I8x16Shl();
const Operator* I8x16ShrS();
const Operator* I8x16SConvertI16x8();
const Operator* I8x16Add();
const Operator* I8x16AddSaturateS();
const Operator* I8x16Sub();
const Operator* I8x16SubSaturateS();
const Operator* I8x16Mul();
const Operator* I8x16MinS();
const Operator* I8x16MaxS();
const Operator* I8x16Eq();
const Operator* I8x16Ne();
const Operator* I8x16GtS();
const Operator* I8x16GeS();
const Operator* I8x16ShrU();
const Operator* I8x16UConvertI16x8();
const Operator* I8x16AddSaturateU();
const Operator* I8x16SubSaturateU();
const Operator* I8x16MinU();
const Operator* I8x16MaxU();
const Operator* I8x16GtU();
const Operator* I8x16GeU();
const Operator* I8x16RoundingAverageU();
const Operator* I8x16Abs();
const Operator* I8x16BitMask();
const Operator* S128Load();
const Operator* S128Store();
const Operator* S128Zero();
const Operator* S128And();
const Operator* S128Or();
const Operator* S128Xor();
const Operator* S128Not();
const Operator* S128Select();
const Operator* S128AndNot();
const Operator* S8x16Swizzle();
const Operator* S8x16Shuffle(const uint8_t shuffle[16]);
const Operator* S1x2AnyTrue();
const Operator* S1x2AllTrue();
const Operator* S1x4AnyTrue();
const Operator* S1x4AllTrue();
const Operator* S1x8AnyTrue();
const Operator* S1x8AllTrue();
const Operator* S1x16AnyTrue();
const Operator* S1x16AllTrue();
// load [base + index]
const Operator* Load(LoadRepresentation rep);
const Operator* PoisonedLoad(LoadRepresentation rep);
const Operator* ProtectedLoad(LoadRepresentation rep);
const Operator* LoadTransform(LoadKind kind, LoadTransformation transform);
// store [base + index], value
const Operator* Store(StoreRepresentation rep);
const Operator* ProtectedStore(MachineRepresentation rep);
// unaligned load [base + index]
const Operator* UnalignedLoad(LoadRepresentation rep);
// unaligned store [base + index], value
const Operator* UnalignedStore(UnalignedStoreRepresentation rep);
const Operator* StackSlot(int size, int alignment = 0);
const Operator* StackSlot(MachineRepresentation rep, int alignment = 0);
// Destroy value by masking when misspeculating.
const Operator* TaggedPoisonOnSpeculation();
const Operator* Word32PoisonOnSpeculation();
const Operator* Word64PoisonOnSpeculation();
// Access to the machine stack.
const Operator* LoadFramePointer();
const Operator* LoadParentFramePointer();
// Compares: stack_pointer [- offset] > value. The offset is optionally
// applied for kFunctionEntry stack checks.
const Operator* StackPointerGreaterThan(StackCheckKind kind);
// Loads the offset that should be applied to the current stack
// pointer before a stack check. Used as input to the
// Runtime::kStackGuardWithGap call.
const Operator* LoadStackCheckOffset();
// Memory barrier.
const Operator* MemBarrier();
// atomic-load [base + index]
const Operator* Word32AtomicLoad(LoadRepresentation rep);
// atomic-load [base + index]
const Operator* Word64AtomicLoad(LoadRepresentation rep);
// atomic-store [base + index], value
const Operator* Word32AtomicStore(MachineRepresentation rep);
// atomic-store [base + index], value
const Operator* Word64AtomicStore(MachineRepresentation rep);
// atomic-exchange [base + index], value
const Operator* Word32AtomicExchange(MachineType type);
// atomic-exchange [base + index], value
const Operator* Word64AtomicExchange(MachineType type);
// atomic-compare-exchange [base + index], old_value, new_value
const Operator* Word32AtomicCompareExchange(MachineType type);
// atomic-compare-exchange [base + index], old_value, new_value
const Operator* Word64AtomicCompareExchange(MachineType type);
// atomic-add [base + index], value
const Operator* Word32AtomicAdd(MachineType type);
// atomic-sub [base + index], value
const Operator* Word32AtomicSub(MachineType type);
// atomic-and [base + index], value
const Operator* Word32AtomicAnd(MachineType type);
// atomic-or [base + index], value
const Operator* Word32AtomicOr(MachineType type);
// atomic-xor [base + index], value
const Operator* Word32AtomicXor(MachineType type);
// atomic-add [base + index], value
const Operator* Word64AtomicAdd(MachineType type);
// atomic-sub [base + index], value
const Operator* Word64AtomicSub(MachineType type);
// atomic-and [base + index], value
const Operator* Word64AtomicAnd(MachineType type);
// atomic-or [base + index], value
const Operator* Word64AtomicOr(MachineType type);
// atomic-xor [base + index], value
const Operator* Word64AtomicXor(MachineType type);
// atomic-pair-load [base + index]
const Operator* Word32AtomicPairLoad();
// atomic-pair-sub [base + index], value_high, value-low
const Operator* Word32AtomicPairStore();
// atomic-pair-add [base + index], value_high, value_low
const Operator* Word32AtomicPairAdd();
// atomic-pair-sub [base + index], value_high, value-low
const Operator* Word32AtomicPairSub();
// atomic-pair-and [base + index], value_high, value_low
const Operator* Word32AtomicPairAnd();
// atomic-pair-or [base + index], value_high, value_low
const Operator* Word32AtomicPairOr();
// atomic-pair-xor [base + index], value_high, value_low
const Operator* Word32AtomicPairXor();
// atomic-pair-exchange [base + index], value_high, value_low
const Operator* Word32AtomicPairExchange();
// atomic-pair-compare-exchange [base + index], old_value_high, old_value_low,
// new_value_high, new_value_low
const Operator* Word32AtomicPairCompareExchange();
// Target machine word-size assumed by this builder.
bool Is32() const { return word() == MachineRepresentation::kWord32; }
bool Is64() const { return word() == MachineRepresentation::kWord64; }
MachineRepresentation word() const { return word_; }
bool UnalignedLoadSupported(MachineRepresentation rep) {
return alignment_requirements_.IsUnalignedLoadSupported(rep);
}
bool UnalignedStoreSupported(MachineRepresentation rep) {
return alignment_requirements_.IsUnalignedStoreSupported(rep);
}
// Pseudo operators that translate to 32/64-bit operators depending on the
// word-size of the target machine assumed by this builder.
#define PSEUDO_OP_LIST(V) \
V(Word, And) \
V(Word, Or) \
V(Word, Xor) \
V(Word, Shl) \
V(Word, Shr) \
V(Word, Sar) \
V(Word, Ror) \
V(Word, Clz) \
V(Word, Equal) \
V(Word, PoisonOnSpeculation) \
V(Int, Add) \
V(Int, Sub) \
V(Int, Mul) \
V(Int, Div) \
V(Int, Mod) \
V(Int, LessThan) \
V(Int, LessThanOrEqual) \
V(Uint, Div) \
V(Uint, LessThan) \
V(Uint, Mod)
#define PSEUDO_OP(Prefix, Suffix) \
const Operator* Prefix##Suffix() { \
return Is32() ? Prefix##32##Suffix() : Prefix##64##Suffix(); \
}
PSEUDO_OP_LIST(PSEUDO_OP)
#undef PSEUDO_OP
#undef PSEUDO_OP_LIST
private:
Zone* zone_;
MachineOperatorGlobalCache const& cache_;
MachineRepresentation const word_;
Flags const flags_;
AlignmentRequirements const alignment_requirements_;
DISALLOW_COPY_AND_ASSIGN(MachineOperatorBuilder);
};
DEFINE_OPERATORS_FOR_FLAGS(MachineOperatorBuilder::Flags)
} // namespace compiler
} // namespace internal
} // namespace v8
#endif // V8_COMPILER_MACHINE_OPERATOR_H_
|