8954710e53c6d9d39b8ac62e91857af25dab22ba
[platform/upstream/v8.git] / src / arm / lithium-arm.h
1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef V8_ARM_LITHIUM_ARM_H_
6 #define V8_ARM_LITHIUM_ARM_H_
7
8 #include "src/hydrogen.h"
9 #include "src/lithium.h"
10 #include "src/lithium-allocator.h"
11 #include "src/safepoint-table.h"
12 #include "src/utils.h"
13
14 namespace v8 {
15 namespace internal {
16
17 // Forward declarations.
18 class LCodeGen;
19
20 #define LITHIUM_CONCRETE_INSTRUCTION_LIST(V) \
21   V(AccessArgumentsAt)                       \
22   V(AddI)                                    \
23   V(Allocate)                                \
24   V(AllocateBlockContext)                    \
25   V(ApplyArguments)                          \
26   V(ArgumentsElements)                       \
27   V(ArgumentsLength)                         \
28   V(ArithmeticD)                             \
29   V(ArithmeticT)                             \
30   V(BitI)                                    \
31   V(BoundsCheck)                             \
32   V(Branch)                                  \
33   V(CallJSFunction)                          \
34   V(CallWithDescriptor)                      \
35   V(CallFunction)                            \
36   V(CallNew)                                 \
37   V(CallNewArray)                            \
38   V(CallRuntime)                             \
39   V(CallStub)                                \
40   V(CheckArrayBufferNotNeutered)             \
41   V(CheckInstanceType)                       \
42   V(CheckNonSmi)                             \
43   V(CheckMaps)                               \
44   V(CheckMapValue)                           \
45   V(CheckSmi)                                \
46   V(CheckValue)                              \
47   V(ClampDToUint8)                           \
48   V(ClampIToUint8)                           \
49   V(ClampTToUint8)                           \
50   V(ClassOfTestAndBranch)                    \
51   V(CompareMinusZeroAndBranch)               \
52   V(CompareNumericAndBranch)                 \
53   V(CmpObjectEqAndBranch)                    \
54   V(CmpHoleAndBranch)                        \
55   V(CmpMapAndBranch)                         \
56   V(CmpT)                                    \
57   V(ConstantD)                               \
58   V(ConstantE)                               \
59   V(ConstantI)                               \
60   V(ConstantS)                               \
61   V(ConstantT)                               \
62   V(ConstructDouble)                         \
63   V(Context)                                 \
64   V(DateField)                               \
65   V(DebugBreak)                              \
66   V(DeclareGlobals)                          \
67   V(Deoptimize)                              \
68   V(DivByConstI)                             \
69   V(DivByPowerOf2I)                          \
70   V(DivI)                                    \
71   V(DoubleBits)                              \
72   V(DoubleToI)                               \
73   V(DoubleToSmi)                             \
74   V(Drop)                                    \
75   V(Dummy)                                   \
76   V(DummyUse)                                \
77   V(FlooringDivByConstI)                     \
78   V(FlooringDivByPowerOf2I)                  \
79   V(FlooringDivI)                            \
80   V(ForInCacheArray)                         \
81   V(ForInPrepareMap)                         \
82   V(GetCachedArrayIndex)                     \
83   V(Goto)                                    \
84   V(HasCachedArrayIndexAndBranch)            \
85   V(HasInPrototypeChainAndBranch)            \
86   V(HasInstanceTypeAndBranch)                \
87   V(InnerAllocatedObject)                    \
88   V(InstanceOf)                              \
89   V(InstructionGap)                          \
90   V(Integer32ToDouble)                       \
91   V(InvokeFunction)                          \
92   V(IsConstructCallAndBranch)                \
93   V(IsStringAndBranch)                       \
94   V(IsSmiAndBranch)                          \
95   V(IsUndetectableAndBranch)                 \
96   V(Label)                                   \
97   V(LazyBailout)                             \
98   V(LoadContextSlot)                         \
99   V(LoadRoot)                                \
100   V(LoadFieldByIndex)                        \
101   V(LoadFunctionPrototype)                   \
102   V(LoadGlobalGeneric)                       \
103   V(LoadGlobalViaContext)                    \
104   V(LoadKeyed)                               \
105   V(LoadKeyedGeneric)                        \
106   V(LoadNamedField)                          \
107   V(LoadNamedGeneric)                        \
108   V(MapEnumLength)                           \
109   V(MathAbs)                                 \
110   V(MathClz32)                               \
111   V(MathExp)                                 \
112   V(MathFloor)                               \
113   V(MathFround)                              \
114   V(MathLog)                                 \
115   V(MathMinMax)                              \
116   V(MathPowHalf)                             \
117   V(MathRound)                               \
118   V(MathSqrt)                                \
119   V(MaybeGrowElements)                       \
120   V(ModByConstI)                             \
121   V(ModByPowerOf2I)                          \
122   V(ModI)                                    \
123   V(MulI)                                    \
124   V(MultiplyAddD)                            \
125   V(MultiplySubD)                            \
126   V(NumberTagD)                              \
127   V(NumberTagI)                              \
128   V(NumberTagU)                              \
129   V(NumberUntagD)                            \
130   V(OsrEntry)                                \
131   V(Parameter)                               \
132   V(Power)                                   \
133   V(Prologue)                                \
134   V(PushArgument)                            \
135   V(RegExpLiteral)                           \
136   V(Return)                                  \
137   V(SeqStringGetChar)                        \
138   V(SeqStringSetChar)                        \
139   V(ShiftI)                                  \
140   V(SmiTag)                                  \
141   V(SmiUntag)                                \
142   V(StackCheck)                              \
143   V(StoreCodeEntry)                          \
144   V(StoreContextSlot)                        \
145   V(StoreFrameContext)                       \
146   V(StoreGlobalViaContext)                   \
147   V(StoreKeyed)                              \
148   V(StoreKeyedGeneric)                       \
149   V(StoreNamedField)                         \
150   V(StoreNamedGeneric)                       \
151   V(StringAdd)                               \
152   V(StringCharCodeAt)                        \
153   V(StringCharFromCode)                      \
154   V(StringCompareAndBranch)                  \
155   V(SubI)                                    \
156   V(RSubI)                                   \
157   V(TaggedToI)                               \
158   V(ThisFunction)                            \
159   V(ToFastProperties)                        \
160   V(TransitionElementsKind)                  \
161   V(TrapAllocationMemento)                   \
162   V(Typeof)                                  \
163   V(TypeofIsAndBranch)                       \
164   V(Uint32ToDouble)                          \
165   V(UnknownOSRValue)                         \
166   V(WrapReceiver)
167
168
169 #define DECLARE_CONCRETE_INSTRUCTION(type, mnemonic)            \
170   Opcode opcode() const final { return LInstruction::k##type; } \
171   void CompileToNative(LCodeGen* generator) final;              \
172   const char* Mnemonic() const final { return mnemonic; }       \
173   static L##type* cast(LInstruction* instr) {                   \
174     DCHECK(instr->Is##type());                                  \
175     return reinterpret_cast<L##type*>(instr);                   \
176   }
177
178
179 #define DECLARE_HYDROGEN_ACCESSOR(type)     \
180   H##type* hydrogen() const {               \
181     return H##type::cast(hydrogen_value()); \
182   }
183
184
185 class LInstruction : public ZoneObject {
186  public:
187   LInstruction()
188       : environment_(NULL),
189         hydrogen_value_(NULL),
190         bit_field_(IsCallBits::encode(false)) {
191   }
192
193   virtual ~LInstruction() {}
194
195   virtual void CompileToNative(LCodeGen* generator) = 0;
196   virtual const char* Mnemonic() const = 0;
197   virtual void PrintTo(StringStream* stream);
198   virtual void PrintDataTo(StringStream* stream);
199   virtual void PrintOutputOperandTo(StringStream* stream);
200
201   enum Opcode {
202     // Declare a unique enum value for each instruction.
203 #define DECLARE_OPCODE(type) k##type,
204     LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_OPCODE)
205     kNumberOfInstructions
206 #undef DECLARE_OPCODE
207   };
208
209   virtual Opcode opcode() const = 0;
210
211   // Declare non-virtual type testers for all leaf IR classes.
212 #define DECLARE_PREDICATE(type) \
213   bool Is##type() const { return opcode() == k##type; }
214   LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_PREDICATE)
215 #undef DECLARE_PREDICATE
216
217   // Declare virtual predicates for instructions that don't have
218   // an opcode.
219   virtual bool IsGap() const { return false; }
220
221   virtual bool IsControl() const { return false; }
222
223   // Try deleting this instruction if possible.
224   virtual bool TryDelete() { return false; }
225
226   void set_environment(LEnvironment* env) { environment_ = env; }
227   LEnvironment* environment() const { return environment_; }
228   bool HasEnvironment() const { return environment_ != NULL; }
229
230   void set_pointer_map(LPointerMap* p) { pointer_map_.set(p); }
231   LPointerMap* pointer_map() const { return pointer_map_.get(); }
232   bool HasPointerMap() const { return pointer_map_.is_set(); }
233
234   void set_hydrogen_value(HValue* value) { hydrogen_value_ = value; }
235   HValue* hydrogen_value() const { return hydrogen_value_; }
236
237   void MarkAsCall() { bit_field_ = IsCallBits::update(bit_field_, true); }
238   bool IsCall() const { return IsCallBits::decode(bit_field_); }
239
240   // Interface to the register allocator and iterators.
241   bool ClobbersTemps() const { return IsCall(); }
242   bool ClobbersRegisters() const { return IsCall(); }
243   virtual bool ClobbersDoubleRegisters(Isolate* isolate) const {
244     return IsCall();
245   }
246
247   // Interface to the register allocator and iterators.
248   bool IsMarkedAsCall() const { return IsCall(); }
249
250   virtual bool HasResult() const = 0;
251   virtual LOperand* result() const = 0;
252
253   LOperand* FirstInput() { return InputAt(0); }
254   LOperand* Output() { return HasResult() ? result() : NULL; }
255
256   virtual bool HasInterestingComment(LCodeGen* gen) const { return true; }
257
258 #ifdef DEBUG
259   void VerifyCall();
260 #endif
261
262   virtual int InputCount() = 0;
263   virtual LOperand* InputAt(int i) = 0;
264
265  private:
266   // Iterator support.
267   friend class InputIterator;
268
269   friend class TempIterator;
270   virtual int TempCount() = 0;
271   virtual LOperand* TempAt(int i) = 0;
272
273   class IsCallBits: public BitField<bool, 0, 1> {};
274
275   LEnvironment* environment_;
276   SetOncePointer<LPointerMap> pointer_map_;
277   HValue* hydrogen_value_;
278   int bit_field_;
279 };
280
281
282 // R = number of result operands (0 or 1).
283 template<int R>
284 class LTemplateResultInstruction : public LInstruction {
285  public:
286   // Allow 0 or 1 output operands.
287   STATIC_ASSERT(R == 0 || R == 1);
288   bool HasResult() const final { return R != 0 && result() != NULL; }
289   void set_result(LOperand* operand) { results_[0] = operand; }
290   LOperand* result() const override { return results_[0]; }
291
292  protected:
293   EmbeddedContainer<LOperand*, R> results_;
294 };
295
296
297 // R = number of result operands (0 or 1).
298 // I = number of input operands.
299 // T = number of temporary operands.
300 template<int R, int I, int T>
301 class LTemplateInstruction : public LTemplateResultInstruction<R> {
302  protected:
303   EmbeddedContainer<LOperand*, I> inputs_;
304   EmbeddedContainer<LOperand*, T> temps_;
305
306  private:
307   // Iterator support.
308   int InputCount() final { return I; }
309   LOperand* InputAt(int i) final { return inputs_[i]; }
310
311   int TempCount() final { return T; }
312   LOperand* TempAt(int i) final { return temps_[i]; }
313 };
314
315
316 class LGap : public LTemplateInstruction<0, 0, 0> {
317  public:
318   explicit LGap(HBasicBlock* block)
319       : block_(block) {
320     parallel_moves_[BEFORE] = NULL;
321     parallel_moves_[START] = NULL;
322     parallel_moves_[END] = NULL;
323     parallel_moves_[AFTER] = NULL;
324   }
325
326   // Can't use the DECLARE-macro here because of sub-classes.
327   bool IsGap() const override { return true; }
328   void PrintDataTo(StringStream* stream) override;
329   static LGap* cast(LInstruction* instr) {
330     DCHECK(instr->IsGap());
331     return reinterpret_cast<LGap*>(instr);
332   }
333
334   bool IsRedundant() const;
335
336   HBasicBlock* block() const { return block_; }
337
338   enum InnerPosition {
339     BEFORE,
340     START,
341     END,
342     AFTER,
343     FIRST_INNER_POSITION = BEFORE,
344     LAST_INNER_POSITION = AFTER
345   };
346
347   LParallelMove* GetOrCreateParallelMove(InnerPosition pos, Zone* zone)  {
348     if (parallel_moves_[pos] == NULL) {
349       parallel_moves_[pos] = new(zone) LParallelMove(zone);
350     }
351     return parallel_moves_[pos];
352   }
353
354   LParallelMove* GetParallelMove(InnerPosition pos)  {
355     return parallel_moves_[pos];
356   }
357
358  private:
359   LParallelMove* parallel_moves_[LAST_INNER_POSITION + 1];
360   HBasicBlock* block_;
361 };
362
363
364 class LInstructionGap final : public LGap {
365  public:
366   explicit LInstructionGap(HBasicBlock* block) : LGap(block) { }
367
368   bool HasInterestingComment(LCodeGen* gen) const override {
369     return !IsRedundant();
370   }
371
372   DECLARE_CONCRETE_INSTRUCTION(InstructionGap, "gap")
373 };
374
375
376 class LGoto final : public LTemplateInstruction<0, 0, 0> {
377  public:
378   explicit LGoto(HBasicBlock* block) : block_(block) { }
379
380   bool HasInterestingComment(LCodeGen* gen) const override;
381   DECLARE_CONCRETE_INSTRUCTION(Goto, "goto")
382   void PrintDataTo(StringStream* stream) override;
383   bool IsControl() const override { return true; }
384
385   int block_id() const { return block_->block_id(); }
386
387  private:
388   HBasicBlock* block_;
389 };
390
391
392 class LPrologue final : public LTemplateInstruction<0, 0, 0> {
393  public:
394   DECLARE_CONCRETE_INSTRUCTION(Prologue, "prologue")
395 };
396
397
398 class LLazyBailout final : public LTemplateInstruction<0, 0, 0> {
399  public:
400   LLazyBailout() : gap_instructions_size_(0) { }
401
402   DECLARE_CONCRETE_INSTRUCTION(LazyBailout, "lazy-bailout")
403
404   void set_gap_instructions_size(int gap_instructions_size) {
405     gap_instructions_size_ = gap_instructions_size;
406   }
407   int gap_instructions_size() { return gap_instructions_size_; }
408
409  private:
410   int gap_instructions_size_;
411 };
412
413
414 class LDummy final : public LTemplateInstruction<1, 0, 0> {
415  public:
416   LDummy() {}
417   DECLARE_CONCRETE_INSTRUCTION(Dummy, "dummy")
418 };
419
420
421 class LDummyUse final : public LTemplateInstruction<1, 1, 0> {
422  public:
423   explicit LDummyUse(LOperand* value) {
424     inputs_[0] = value;
425   }
426   DECLARE_CONCRETE_INSTRUCTION(DummyUse, "dummy-use")
427 };
428
429
430 class LDeoptimize final : public LTemplateInstruction<0, 0, 0> {
431  public:
432   bool IsControl() const override { return true; }
433   DECLARE_CONCRETE_INSTRUCTION(Deoptimize, "deoptimize")
434   DECLARE_HYDROGEN_ACCESSOR(Deoptimize)
435 };
436
437
438 class LLabel final : public LGap {
439  public:
440   explicit LLabel(HBasicBlock* block)
441       : LGap(block), replacement_(NULL) { }
442
443   bool HasInterestingComment(LCodeGen* gen) const override { return false; }
444   DECLARE_CONCRETE_INSTRUCTION(Label, "label")
445
446   void PrintDataTo(StringStream* stream) override;
447
448   int block_id() const { return block()->block_id(); }
449   bool is_loop_header() const { return block()->IsLoopHeader(); }
450   bool is_osr_entry() const { return block()->is_osr_entry(); }
451   Label* label() { return &label_; }
452   LLabel* replacement() const { return replacement_; }
453   void set_replacement(LLabel* label) { replacement_ = label; }
454   bool HasReplacement() const { return replacement_ != NULL; }
455
456  private:
457   Label label_;
458   LLabel* replacement_;
459 };
460
461
462 class LParameter final : public LTemplateInstruction<1, 0, 0> {
463  public:
464   bool HasInterestingComment(LCodeGen* gen) const override { return false; }
465   DECLARE_CONCRETE_INSTRUCTION(Parameter, "parameter")
466 };
467
468
469 class LCallStub final : public LTemplateInstruction<1, 1, 0> {
470  public:
471   explicit LCallStub(LOperand* context) {
472     inputs_[0] = context;
473   }
474
475   LOperand* context() { return inputs_[0]; }
476
477   DECLARE_CONCRETE_INSTRUCTION(CallStub, "call-stub")
478   DECLARE_HYDROGEN_ACCESSOR(CallStub)
479 };
480
481
482 class LUnknownOSRValue final : public LTemplateInstruction<1, 0, 0> {
483  public:
484   bool HasInterestingComment(LCodeGen* gen) const override { return false; }
485   DECLARE_CONCRETE_INSTRUCTION(UnknownOSRValue, "unknown-osr-value")
486 };
487
488
489 template<int I, int T>
490 class LControlInstruction : public LTemplateInstruction<0, I, T> {
491  public:
492   LControlInstruction() : false_label_(NULL), true_label_(NULL) { }
493
494   bool IsControl() const final { return true; }
495
496   int SuccessorCount() { return hydrogen()->SuccessorCount(); }
497   HBasicBlock* SuccessorAt(int i) { return hydrogen()->SuccessorAt(i); }
498
499   int TrueDestination(LChunk* chunk) {
500     return chunk->LookupDestination(true_block_id());
501   }
502   int FalseDestination(LChunk* chunk) {
503     return chunk->LookupDestination(false_block_id());
504   }
505
506   Label* TrueLabel(LChunk* chunk) {
507     if (true_label_ == NULL) {
508       true_label_ = chunk->GetAssemblyLabel(TrueDestination(chunk));
509     }
510     return true_label_;
511   }
512   Label* FalseLabel(LChunk* chunk) {
513     if (false_label_ == NULL) {
514       false_label_ = chunk->GetAssemblyLabel(FalseDestination(chunk));
515     }
516     return false_label_;
517   }
518
519  protected:
520   int true_block_id() { return SuccessorAt(0)->block_id(); }
521   int false_block_id() { return SuccessorAt(1)->block_id(); }
522
523  private:
524   HControlInstruction* hydrogen() {
525     return HControlInstruction::cast(this->hydrogen_value());
526   }
527
528   Label* false_label_;
529   Label* true_label_;
530 };
531
532
533 class LWrapReceiver final : public LTemplateInstruction<1, 2, 0> {
534  public:
535   LWrapReceiver(LOperand* receiver, LOperand* function) {
536     inputs_[0] = receiver;
537     inputs_[1] = function;
538   }
539
540   DECLARE_CONCRETE_INSTRUCTION(WrapReceiver, "wrap-receiver")
541   DECLARE_HYDROGEN_ACCESSOR(WrapReceiver)
542
543   LOperand* receiver() { return inputs_[0]; }
544   LOperand* function() { return inputs_[1]; }
545 };
546
547
548 class LApplyArguments final : public LTemplateInstruction<1, 4, 0> {
549  public:
550   LApplyArguments(LOperand* function,
551                   LOperand* receiver,
552                   LOperand* length,
553                   LOperand* elements) {
554     inputs_[0] = function;
555     inputs_[1] = receiver;
556     inputs_[2] = length;
557     inputs_[3] = elements;
558   }
559
560   DECLARE_CONCRETE_INSTRUCTION(ApplyArguments, "apply-arguments")
561
562   LOperand* function() { return inputs_[0]; }
563   LOperand* receiver() { return inputs_[1]; }
564   LOperand* length() { return inputs_[2]; }
565   LOperand* elements() { return inputs_[3]; }
566 };
567
568
569 class LAccessArgumentsAt final : public LTemplateInstruction<1, 3, 0> {
570  public:
571   LAccessArgumentsAt(LOperand* arguments, LOperand* length, LOperand* index) {
572     inputs_[0] = arguments;
573     inputs_[1] = length;
574     inputs_[2] = index;
575   }
576
577   DECLARE_CONCRETE_INSTRUCTION(AccessArgumentsAt, "access-arguments-at")
578
579   LOperand* arguments() { return inputs_[0]; }
580   LOperand* length() { return inputs_[1]; }
581   LOperand* index() { return inputs_[2]; }
582
583   void PrintDataTo(StringStream* stream) override;
584 };
585
586
587 class LArgumentsLength final : public LTemplateInstruction<1, 1, 0> {
588  public:
589   explicit LArgumentsLength(LOperand* elements) {
590     inputs_[0] = elements;
591   }
592
593   LOperand* elements() { return inputs_[0]; }
594
595   DECLARE_CONCRETE_INSTRUCTION(ArgumentsLength, "arguments-length")
596 };
597
598
599 class LArgumentsElements final : public LTemplateInstruction<1, 0, 0> {
600  public:
601   DECLARE_CONCRETE_INSTRUCTION(ArgumentsElements, "arguments-elements")
602   DECLARE_HYDROGEN_ACCESSOR(ArgumentsElements)
603 };
604
605
606 class LModByPowerOf2I final : public LTemplateInstruction<1, 1, 0> {
607  public:
608   LModByPowerOf2I(LOperand* dividend, int32_t divisor) {
609     inputs_[0] = dividend;
610     divisor_ = divisor;
611   }
612
613   LOperand* dividend() { return inputs_[0]; }
614   int32_t divisor() const { return divisor_; }
615
616   DECLARE_CONCRETE_INSTRUCTION(ModByPowerOf2I, "mod-by-power-of-2-i")
617   DECLARE_HYDROGEN_ACCESSOR(Mod)
618
619  private:
620   int32_t divisor_;
621 };
622
623
624 class LModByConstI final : public LTemplateInstruction<1, 1, 0> {
625  public:
626   LModByConstI(LOperand* dividend, int32_t divisor) {
627     inputs_[0] = dividend;
628     divisor_ = divisor;
629   }
630
631   LOperand* dividend() { return inputs_[0]; }
632   int32_t divisor() const { return divisor_; }
633
634   DECLARE_CONCRETE_INSTRUCTION(ModByConstI, "mod-by-const-i")
635   DECLARE_HYDROGEN_ACCESSOR(Mod)
636
637  private:
638   int32_t divisor_;
639 };
640
641
642 class LModI final : public LTemplateInstruction<1, 2, 2> {
643  public:
644   LModI(LOperand* left, LOperand* right, LOperand* temp, LOperand* temp2) {
645     inputs_[0] = left;
646     inputs_[1] = right;
647     temps_[0] = temp;
648     temps_[1] = temp2;
649   }
650
651   LOperand* left() { return inputs_[0]; }
652   LOperand* right() { return inputs_[1]; }
653   LOperand* temp() { return temps_[0]; }
654   LOperand* temp2() { return temps_[1]; }
655
656   DECLARE_CONCRETE_INSTRUCTION(ModI, "mod-i")
657   DECLARE_HYDROGEN_ACCESSOR(Mod)
658 };
659
660
661 class LDivByPowerOf2I final : public LTemplateInstruction<1, 1, 0> {
662  public:
663   LDivByPowerOf2I(LOperand* dividend, int32_t divisor) {
664     inputs_[0] = dividend;
665     divisor_ = divisor;
666   }
667
668   LOperand* dividend() { return inputs_[0]; }
669   int32_t divisor() const { return divisor_; }
670
671   DECLARE_CONCRETE_INSTRUCTION(DivByPowerOf2I, "div-by-power-of-2-i")
672   DECLARE_HYDROGEN_ACCESSOR(Div)
673
674  private:
675   int32_t divisor_;
676 };
677
678
679 class LDivByConstI final : public LTemplateInstruction<1, 1, 0> {
680  public:
681   LDivByConstI(LOperand* dividend, int32_t divisor) {
682     inputs_[0] = dividend;
683     divisor_ = divisor;
684   }
685
686   LOperand* dividend() { return inputs_[0]; }
687   int32_t divisor() const { return divisor_; }
688
689   DECLARE_CONCRETE_INSTRUCTION(DivByConstI, "div-by-const-i")
690   DECLARE_HYDROGEN_ACCESSOR(Div)
691
692  private:
693   int32_t divisor_;
694 };
695
696
697 class LDivI final : public LTemplateInstruction<1, 2, 1> {
698  public:
699   LDivI(LOperand* dividend, LOperand* divisor, LOperand* temp) {
700     inputs_[0] = dividend;
701     inputs_[1] = divisor;
702     temps_[0] = temp;
703   }
704
705   LOperand* dividend() { return inputs_[0]; }
706   LOperand* divisor() { return inputs_[1]; }
707   LOperand* temp() { return temps_[0]; }
708
709   DECLARE_CONCRETE_INSTRUCTION(DivI, "div-i")
710   DECLARE_HYDROGEN_ACCESSOR(BinaryOperation)
711 };
712
713
714 class LFlooringDivByPowerOf2I final : public LTemplateInstruction<1, 1, 0> {
715  public:
716   LFlooringDivByPowerOf2I(LOperand* dividend, int32_t divisor) {
717     inputs_[0] = dividend;
718     divisor_ = divisor;
719   }
720
721   LOperand* dividend() { return inputs_[0]; }
722   int32_t divisor() { return divisor_; }
723
724   DECLARE_CONCRETE_INSTRUCTION(FlooringDivByPowerOf2I,
725                                "flooring-div-by-power-of-2-i")
726   DECLARE_HYDROGEN_ACCESSOR(MathFloorOfDiv)
727
728  private:
729   int32_t divisor_;
730 };
731
732
733 class LFlooringDivByConstI final : public LTemplateInstruction<1, 1, 2> {
734  public:
735   LFlooringDivByConstI(LOperand* dividend, int32_t divisor, LOperand* temp) {
736     inputs_[0] = dividend;
737     divisor_ = divisor;
738     temps_[0] = temp;
739   }
740
741   LOperand* dividend() { return inputs_[0]; }
742   int32_t divisor() const { return divisor_; }
743   LOperand* temp() { return temps_[0]; }
744
745   DECLARE_CONCRETE_INSTRUCTION(FlooringDivByConstI, "flooring-div-by-const-i")
746   DECLARE_HYDROGEN_ACCESSOR(MathFloorOfDiv)
747
748  private:
749   int32_t divisor_;
750 };
751
752
753 class LFlooringDivI final : public LTemplateInstruction<1, 2, 1> {
754  public:
755   LFlooringDivI(LOperand* dividend, LOperand* divisor, LOperand* temp) {
756     inputs_[0] = dividend;
757     inputs_[1] = divisor;
758     temps_[0] = temp;
759   }
760
761   LOperand* dividend() { return inputs_[0]; }
762   LOperand* divisor() { return inputs_[1]; }
763   LOperand* temp() { return temps_[0]; }
764
765   DECLARE_CONCRETE_INSTRUCTION(FlooringDivI, "flooring-div-i")
766   DECLARE_HYDROGEN_ACCESSOR(MathFloorOfDiv)
767 };
768
769
770 class LMulI final : public LTemplateInstruction<1, 2, 0> {
771  public:
772   LMulI(LOperand* left, LOperand* right) {
773     inputs_[0] = left;
774     inputs_[1] = right;
775   }
776
777   LOperand* left() { return inputs_[0]; }
778   LOperand* right() { return inputs_[1]; }
779
780   DECLARE_CONCRETE_INSTRUCTION(MulI, "mul-i")
781   DECLARE_HYDROGEN_ACCESSOR(Mul)
782 };
783
784
785 // Instruction for computing multiplier * multiplicand + addend.
786 class LMultiplyAddD final : public LTemplateInstruction<1, 3, 0> {
787  public:
788   LMultiplyAddD(LOperand* addend, LOperand* multiplier,
789                 LOperand* multiplicand) {
790     inputs_[0] = addend;
791     inputs_[1] = multiplier;
792     inputs_[2] = multiplicand;
793   }
794
795   LOperand* addend() { return inputs_[0]; }
796   LOperand* multiplier() { return inputs_[1]; }
797   LOperand* multiplicand() { return inputs_[2]; }
798
799   DECLARE_CONCRETE_INSTRUCTION(MultiplyAddD, "multiply-add-d")
800 };
801
802
803 // Instruction for computing minuend - multiplier * multiplicand.
804 class LMultiplySubD final : public LTemplateInstruction<1, 3, 0> {
805  public:
806   LMultiplySubD(LOperand* minuend, LOperand* multiplier,
807                 LOperand* multiplicand) {
808     inputs_[0] = minuend;
809     inputs_[1] = multiplier;
810     inputs_[2] = multiplicand;
811   }
812
813   LOperand* minuend() { return inputs_[0]; }
814   LOperand* multiplier() { return inputs_[1]; }
815   LOperand* multiplicand() { return inputs_[2]; }
816
817   DECLARE_CONCRETE_INSTRUCTION(MultiplySubD, "multiply-sub-d")
818 };
819
820
821 class LDebugBreak final : public LTemplateInstruction<0, 0, 0> {
822  public:
823   DECLARE_CONCRETE_INSTRUCTION(DebugBreak, "break")
824 };
825
826
827 class LCompareNumericAndBranch final : public LControlInstruction<2, 0> {
828  public:
829   LCompareNumericAndBranch(LOperand* left, LOperand* right) {
830     inputs_[0] = left;
831     inputs_[1] = right;
832   }
833
834   LOperand* left() { return inputs_[0]; }
835   LOperand* right() { return inputs_[1]; }
836
837   DECLARE_CONCRETE_INSTRUCTION(CompareNumericAndBranch,
838                                "compare-numeric-and-branch")
839   DECLARE_HYDROGEN_ACCESSOR(CompareNumericAndBranch)
840
841   Token::Value op() const { return hydrogen()->token(); }
842   bool is_double() const {
843     return hydrogen()->representation().IsDouble();
844   }
845
846   void PrintDataTo(StringStream* stream) override;
847 };
848
849
850 class LMathFloor final : public LTemplateInstruction<1, 1, 0> {
851  public:
852   explicit LMathFloor(LOperand* value) {
853     inputs_[0] = value;
854   }
855
856   LOperand* value() { return inputs_[0]; }
857
858   DECLARE_CONCRETE_INSTRUCTION(MathFloor, "math-floor")
859   DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation)
860 };
861
862
863 class LMathRound final : public LTemplateInstruction<1, 1, 1> {
864  public:
865   LMathRound(LOperand* value, LOperand* temp) {
866     inputs_[0] = value;
867     temps_[0] = temp;
868   }
869
870   LOperand* value() { return inputs_[0]; }
871   LOperand* temp() { return temps_[0]; }
872
873   DECLARE_CONCRETE_INSTRUCTION(MathRound, "math-round")
874   DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation)
875 };
876
877
878 class LMathFround final : public LTemplateInstruction<1, 1, 0> {
879  public:
880   explicit LMathFround(LOperand* value) { inputs_[0] = value; }
881
882   LOperand* value() { return inputs_[0]; }
883
884   DECLARE_CONCRETE_INSTRUCTION(MathFround, "math-fround")
885 };
886
887
888 class LMathAbs final : public LTemplateInstruction<1, 2, 0> {
889  public:
890   LMathAbs(LOperand* context, LOperand* value) {
891     inputs_[1] = context;
892     inputs_[0] = value;
893   }
894
895   LOperand* context() { return inputs_[1]; }
896   LOperand* value() { return inputs_[0]; }
897
898   DECLARE_CONCRETE_INSTRUCTION(MathAbs, "math-abs")
899   DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation)
900 };
901
902
903 class LMathLog final : public LTemplateInstruction<1, 1, 0> {
904  public:
905   explicit LMathLog(LOperand* value) {
906     inputs_[0] = value;
907   }
908
909   LOperand* value() { return inputs_[0]; }
910
911   DECLARE_CONCRETE_INSTRUCTION(MathLog, "math-log")
912 };
913
914
915 class LMathClz32 final : public LTemplateInstruction<1, 1, 0> {
916  public:
917   explicit LMathClz32(LOperand* value) {
918     inputs_[0] = value;
919   }
920
921   LOperand* value() { return inputs_[0]; }
922
923   DECLARE_CONCRETE_INSTRUCTION(MathClz32, "math-clz32")
924 };
925
926
927 class LMathExp final : public LTemplateInstruction<1, 1, 3> {
928  public:
929   LMathExp(LOperand* value,
930            LOperand* double_temp,
931            LOperand* temp1,
932            LOperand* temp2) {
933     inputs_[0] = value;
934     temps_[0] = temp1;
935     temps_[1] = temp2;
936     temps_[2] = double_temp;
937     ExternalReference::InitializeMathExpData();
938   }
939
940   LOperand* value() { return inputs_[0]; }
941   LOperand* temp1() { return temps_[0]; }
942   LOperand* temp2() { return temps_[1]; }
943   LOperand* double_temp() { return temps_[2]; }
944
945   DECLARE_CONCRETE_INSTRUCTION(MathExp, "math-exp")
946 };
947
948
949 class LMathSqrt final : public LTemplateInstruction<1, 1, 0> {
950  public:
951   explicit LMathSqrt(LOperand* value) {
952     inputs_[0] = value;
953   }
954
955   LOperand* value() { return inputs_[0]; }
956
957   DECLARE_CONCRETE_INSTRUCTION(MathSqrt, "math-sqrt")
958 };
959
960
961 class LMathPowHalf final : public LTemplateInstruction<1, 1, 0> {
962  public:
963   explicit LMathPowHalf(LOperand* value) {
964     inputs_[0] = value;
965   }
966
967   LOperand* value() { return inputs_[0]; }
968
969   DECLARE_CONCRETE_INSTRUCTION(MathPowHalf, "math-pow-half")
970 };
971
972
973 class LCmpObjectEqAndBranch final : public LControlInstruction<2, 0> {
974  public:
975   LCmpObjectEqAndBranch(LOperand* left, LOperand* right) {
976     inputs_[0] = left;
977     inputs_[1] = right;
978   }
979
980   LOperand* left() { return inputs_[0]; }
981   LOperand* right() { return inputs_[1]; }
982
983   DECLARE_CONCRETE_INSTRUCTION(CmpObjectEqAndBranch, "cmp-object-eq-and-branch")
984   DECLARE_HYDROGEN_ACCESSOR(CompareObjectEqAndBranch)
985 };
986
987
988 class LCmpHoleAndBranch final : public LControlInstruction<1, 0> {
989  public:
990   explicit LCmpHoleAndBranch(LOperand* object) {
991     inputs_[0] = object;
992   }
993
994   LOperand* object() { return inputs_[0]; }
995
996   DECLARE_CONCRETE_INSTRUCTION(CmpHoleAndBranch, "cmp-hole-and-branch")
997   DECLARE_HYDROGEN_ACCESSOR(CompareHoleAndBranch)
998 };
999
1000
1001 class LCompareMinusZeroAndBranch final : public LControlInstruction<1, 1> {
1002  public:
1003   LCompareMinusZeroAndBranch(LOperand* value, LOperand* temp) {
1004     inputs_[0] = value;
1005     temps_[0] = temp;
1006   }
1007
1008   LOperand* value() { return inputs_[0]; }
1009   LOperand* temp() { return temps_[0]; }
1010
1011   DECLARE_CONCRETE_INSTRUCTION(CompareMinusZeroAndBranch,
1012                                "cmp-minus-zero-and-branch")
1013   DECLARE_HYDROGEN_ACCESSOR(CompareMinusZeroAndBranch)
1014 };
1015
1016
1017 class LIsStringAndBranch final : public LControlInstruction<1, 1> {
1018  public:
1019   LIsStringAndBranch(LOperand* value, LOperand* temp) {
1020     inputs_[0] = value;
1021     temps_[0] = temp;
1022   }
1023
1024   LOperand* value() { return inputs_[0]; }
1025   LOperand* temp() { return temps_[0]; }
1026
1027   DECLARE_CONCRETE_INSTRUCTION(IsStringAndBranch, "is-string-and-branch")
1028   DECLARE_HYDROGEN_ACCESSOR(IsStringAndBranch)
1029
1030   void PrintDataTo(StringStream* stream) override;
1031 };
1032
1033
1034 class LIsSmiAndBranch final : public LControlInstruction<1, 0> {
1035  public:
1036   explicit LIsSmiAndBranch(LOperand* value) {
1037     inputs_[0] = value;
1038   }
1039
1040   LOperand* value() { return inputs_[0]; }
1041
1042   DECLARE_CONCRETE_INSTRUCTION(IsSmiAndBranch, "is-smi-and-branch")
1043   DECLARE_HYDROGEN_ACCESSOR(IsSmiAndBranch)
1044
1045   void PrintDataTo(StringStream* stream) override;
1046 };
1047
1048
1049 class LIsUndetectableAndBranch final : public LControlInstruction<1, 1> {
1050  public:
1051   explicit LIsUndetectableAndBranch(LOperand* value, LOperand* temp) {
1052     inputs_[0] = value;
1053     temps_[0] = temp;
1054   }
1055
1056   LOperand* value() { return inputs_[0]; }
1057   LOperand* temp() { return temps_[0]; }
1058
1059   DECLARE_CONCRETE_INSTRUCTION(IsUndetectableAndBranch,
1060                                "is-undetectable-and-branch")
1061   DECLARE_HYDROGEN_ACCESSOR(IsUndetectableAndBranch)
1062
1063   void PrintDataTo(StringStream* stream) override;
1064 };
1065
1066
1067 class LStringCompareAndBranch final : public LControlInstruction<3, 0> {
1068  public:
1069   LStringCompareAndBranch(LOperand* context, LOperand* left, LOperand* right) {
1070     inputs_[0] = context;
1071     inputs_[1] = left;
1072     inputs_[2] = right;
1073   }
1074
1075   LOperand* context() { return inputs_[0]; }
1076   LOperand* left() { return inputs_[1]; }
1077   LOperand* right() { return inputs_[2]; }
1078
1079   DECLARE_CONCRETE_INSTRUCTION(StringCompareAndBranch,
1080                                "string-compare-and-branch")
1081   DECLARE_HYDROGEN_ACCESSOR(StringCompareAndBranch)
1082
1083   Token::Value op() const { return hydrogen()->token(); }
1084
1085   void PrintDataTo(StringStream* stream) override;
1086 };
1087
1088
1089 class LHasInstanceTypeAndBranch final : public LControlInstruction<1, 0> {
1090  public:
1091   explicit LHasInstanceTypeAndBranch(LOperand* value) {
1092     inputs_[0] = value;
1093   }
1094
1095   LOperand* value() { return inputs_[0]; }
1096
1097   DECLARE_CONCRETE_INSTRUCTION(HasInstanceTypeAndBranch,
1098                                "has-instance-type-and-branch")
1099   DECLARE_HYDROGEN_ACCESSOR(HasInstanceTypeAndBranch)
1100
1101   void PrintDataTo(StringStream* stream) override;
1102 };
1103
1104
1105 class LGetCachedArrayIndex final : public LTemplateInstruction<1, 1, 0> {
1106  public:
1107   explicit LGetCachedArrayIndex(LOperand* value) {
1108     inputs_[0] = value;
1109   }
1110
1111   LOperand* value() { return inputs_[0]; }
1112
1113   DECLARE_CONCRETE_INSTRUCTION(GetCachedArrayIndex, "get-cached-array-index")
1114   DECLARE_HYDROGEN_ACCESSOR(GetCachedArrayIndex)
1115 };
1116
1117
1118 class LHasCachedArrayIndexAndBranch final : public LControlInstruction<1, 0> {
1119  public:
1120   explicit LHasCachedArrayIndexAndBranch(LOperand* value) {
1121     inputs_[0] = value;
1122   }
1123
1124   LOperand* value() { return inputs_[0]; }
1125
1126   DECLARE_CONCRETE_INSTRUCTION(HasCachedArrayIndexAndBranch,
1127                                "has-cached-array-index-and-branch")
1128   DECLARE_HYDROGEN_ACCESSOR(HasCachedArrayIndexAndBranch)
1129
1130   void PrintDataTo(StringStream* stream) override;
1131 };
1132
1133
1134 class LClassOfTestAndBranch final : public LControlInstruction<1, 1> {
1135  public:
1136   LClassOfTestAndBranch(LOperand* value, LOperand* temp) {
1137     inputs_[0] = value;
1138     temps_[0] = temp;
1139   }
1140
1141   LOperand* value() { return inputs_[0]; }
1142   LOperand* temp() { return temps_[0]; }
1143
1144   DECLARE_CONCRETE_INSTRUCTION(ClassOfTestAndBranch,
1145                                "class-of-test-and-branch")
1146   DECLARE_HYDROGEN_ACCESSOR(ClassOfTestAndBranch)
1147
1148   void PrintDataTo(StringStream* stream) override;
1149 };
1150
1151
1152 class LCmpT final : public LTemplateInstruction<1, 3, 0> {
1153  public:
1154   LCmpT(LOperand* context, LOperand* left, LOperand* right) {
1155     inputs_[0] = context;
1156     inputs_[1] = left;
1157     inputs_[2] = right;
1158   }
1159
1160   LOperand* context() { return inputs_[0]; }
1161   LOperand* left() { return inputs_[1]; }
1162   LOperand* right() { return inputs_[2]; }
1163
1164   DECLARE_CONCRETE_INSTRUCTION(CmpT, "cmp-t")
1165   DECLARE_HYDROGEN_ACCESSOR(CompareGeneric)
1166
1167   Strength strength() { return hydrogen()->strength(); }
1168
1169   Token::Value op() const { return hydrogen()->token(); }
1170 };
1171
1172
1173 class LInstanceOf final : public LTemplateInstruction<1, 3, 0> {
1174  public:
1175   LInstanceOf(LOperand* context, LOperand* left, LOperand* right) {
1176     inputs_[0] = context;
1177     inputs_[1] = left;
1178     inputs_[2] = right;
1179   }
1180
1181   LOperand* context() const { return inputs_[0]; }
1182   LOperand* left() const { return inputs_[1]; }
1183   LOperand* right() const { return inputs_[2]; }
1184
1185   DECLARE_CONCRETE_INSTRUCTION(InstanceOf, "instance-of")
1186 };
1187
1188
1189 class LHasInPrototypeChainAndBranch final : public LControlInstruction<2, 0> {
1190  public:
1191   LHasInPrototypeChainAndBranch(LOperand* object, LOperand* prototype) {
1192     inputs_[0] = object;
1193     inputs_[1] = prototype;
1194   }
1195
1196   LOperand* object() const { return inputs_[0]; }
1197   LOperand* prototype() const { return inputs_[1]; }
1198
1199   DECLARE_CONCRETE_INSTRUCTION(HasInPrototypeChainAndBranch,
1200                                "has-in-prototype-chain-and-branch")
1201   DECLARE_HYDROGEN_ACCESSOR(HasInPrototypeChainAndBranch)
1202 };
1203
1204
1205 class LBoundsCheck final : public LTemplateInstruction<0, 2, 0> {
1206  public:
1207   LBoundsCheck(LOperand* index, LOperand* length) {
1208     inputs_[0] = index;
1209     inputs_[1] = length;
1210   }
1211
1212   LOperand* index() { return inputs_[0]; }
1213   LOperand* length() { return inputs_[1]; }
1214
1215   DECLARE_CONCRETE_INSTRUCTION(BoundsCheck, "bounds-check")
1216   DECLARE_HYDROGEN_ACCESSOR(BoundsCheck)
1217 };
1218
1219
1220 class LBitI final : public LTemplateInstruction<1, 2, 0> {
1221  public:
1222   LBitI(LOperand* left, LOperand* right) {
1223     inputs_[0] = left;
1224     inputs_[1] = right;
1225   }
1226
1227   LOperand* left() { return inputs_[0]; }
1228   LOperand* right() { return inputs_[1]; }
1229
1230   Token::Value op() const { return hydrogen()->op(); }
1231
1232   DECLARE_CONCRETE_INSTRUCTION(BitI, "bit-i")
1233   DECLARE_HYDROGEN_ACCESSOR(Bitwise)
1234 };
1235
1236
1237 class LShiftI final : public LTemplateInstruction<1, 2, 0> {
1238  public:
1239   LShiftI(Token::Value op, LOperand* left, LOperand* right, bool can_deopt)
1240       : op_(op), can_deopt_(can_deopt) {
1241     inputs_[0] = left;
1242     inputs_[1] = right;
1243   }
1244
1245   Token::Value op() const { return op_; }
1246   LOperand* left() { return inputs_[0]; }
1247   LOperand* right() { return inputs_[1]; }
1248   bool can_deopt() const { return can_deopt_; }
1249
1250   DECLARE_CONCRETE_INSTRUCTION(ShiftI, "shift-i")
1251
1252  private:
1253   Token::Value op_;
1254   bool can_deopt_;
1255 };
1256
1257
1258 class LSubI final : public LTemplateInstruction<1, 2, 0> {
1259  public:
1260   LSubI(LOperand* left, LOperand* right) {
1261     inputs_[0] = left;
1262     inputs_[1] = right;
1263   }
1264
1265   LOperand* left() { return inputs_[0]; }
1266   LOperand* right() { return inputs_[1]; }
1267
1268   DECLARE_CONCRETE_INSTRUCTION(SubI, "sub-i")
1269   DECLARE_HYDROGEN_ACCESSOR(Sub)
1270 };
1271
1272
1273 class LRSubI final : public LTemplateInstruction<1, 2, 0> {
1274  public:
1275   LRSubI(LOperand* left, LOperand* right) {
1276     inputs_[0] = left;
1277     inputs_[1] = right;
1278   }
1279
1280   LOperand* left() { return inputs_[0]; }
1281   LOperand* right() { return inputs_[1]; }
1282
1283   DECLARE_CONCRETE_INSTRUCTION(RSubI, "rsub-i")
1284   DECLARE_HYDROGEN_ACCESSOR(Sub)
1285 };
1286
1287
1288 class LConstantI final : public LTemplateInstruction<1, 0, 0> {
1289  public:
1290   DECLARE_CONCRETE_INSTRUCTION(ConstantI, "constant-i")
1291   DECLARE_HYDROGEN_ACCESSOR(Constant)
1292
1293   int32_t value() const { return hydrogen()->Integer32Value(); }
1294 };
1295
1296
1297 class LConstantS final : public LTemplateInstruction<1, 0, 0> {
1298  public:
1299   DECLARE_CONCRETE_INSTRUCTION(ConstantS, "constant-s")
1300   DECLARE_HYDROGEN_ACCESSOR(Constant)
1301
1302   Smi* value() const { return Smi::FromInt(hydrogen()->Integer32Value()); }
1303 };
1304
1305
1306 class LConstantD final : public LTemplateInstruction<1, 0, 0> {
1307  public:
1308   DECLARE_CONCRETE_INSTRUCTION(ConstantD, "constant-d")
1309   DECLARE_HYDROGEN_ACCESSOR(Constant)
1310
1311   double value() const { return hydrogen()->DoubleValue(); }
1312   uint64_t bits() const { return hydrogen()->DoubleValueAsBits(); }
1313 };
1314
1315
1316 class LConstantE final : public LTemplateInstruction<1, 0, 0> {
1317  public:
1318   DECLARE_CONCRETE_INSTRUCTION(ConstantE, "constant-e")
1319   DECLARE_HYDROGEN_ACCESSOR(Constant)
1320
1321   ExternalReference value() const {
1322     return hydrogen()->ExternalReferenceValue();
1323   }
1324 };
1325
1326
1327 class LConstantT final : public LTemplateInstruction<1, 0, 0> {
1328  public:
1329   DECLARE_CONCRETE_INSTRUCTION(ConstantT, "constant-t")
1330   DECLARE_HYDROGEN_ACCESSOR(Constant)
1331
1332   Handle<Object> value(Isolate* isolate) const {
1333     return hydrogen()->handle(isolate);
1334   }
1335 };
1336
1337
1338 class LBranch final : public LControlInstruction<1, 0> {
1339  public:
1340   explicit LBranch(LOperand* value) {
1341     inputs_[0] = value;
1342   }
1343
1344   LOperand* value() { return inputs_[0]; }
1345
1346   DECLARE_CONCRETE_INSTRUCTION(Branch, "branch")
1347   DECLARE_HYDROGEN_ACCESSOR(Branch)
1348
1349   void PrintDataTo(StringStream* stream) override;
1350 };
1351
1352
1353 class LCmpMapAndBranch final : public LControlInstruction<1, 1> {
1354  public:
1355   LCmpMapAndBranch(LOperand* value, LOperand* temp) {
1356     inputs_[0] = value;
1357     temps_[0] = temp;
1358   }
1359
1360   LOperand* value() { return inputs_[0]; }
1361   LOperand* temp() { return temps_[0]; }
1362
1363   DECLARE_CONCRETE_INSTRUCTION(CmpMapAndBranch, "cmp-map-and-branch")
1364   DECLARE_HYDROGEN_ACCESSOR(CompareMap)
1365
1366   Handle<Map> map() const { return hydrogen()->map().handle(); }
1367 };
1368
1369
1370 class LMapEnumLength final : public LTemplateInstruction<1, 1, 0> {
1371  public:
1372   explicit LMapEnumLength(LOperand* value) {
1373     inputs_[0] = value;
1374   }
1375
1376   LOperand* value() { return inputs_[0]; }
1377
1378   DECLARE_CONCRETE_INSTRUCTION(MapEnumLength, "map-enum-length")
1379 };
1380
1381
1382 class LDateField final : public LTemplateInstruction<1, 1, 1> {
1383  public:
1384   LDateField(LOperand* date, LOperand* temp, Smi* index) : index_(index) {
1385     inputs_[0] = date;
1386     temps_[0] = temp;
1387   }
1388
1389   LOperand* date() { return inputs_[0]; }
1390   LOperand* temp() { return temps_[0]; }
1391   Smi* index() const { return index_; }
1392
1393   DECLARE_CONCRETE_INSTRUCTION(DateField, "date-field")
1394   DECLARE_HYDROGEN_ACCESSOR(DateField)
1395
1396  private:
1397   Smi* index_;
1398 };
1399
1400
1401 class LSeqStringGetChar final : public LTemplateInstruction<1, 2, 0> {
1402  public:
1403   LSeqStringGetChar(LOperand* string, LOperand* index) {
1404     inputs_[0] = string;
1405     inputs_[1] = index;
1406   }
1407
1408   LOperand* string() const { return inputs_[0]; }
1409   LOperand* index() const { return inputs_[1]; }
1410
1411   DECLARE_CONCRETE_INSTRUCTION(SeqStringGetChar, "seq-string-get-char")
1412   DECLARE_HYDROGEN_ACCESSOR(SeqStringGetChar)
1413 };
1414
1415
1416 class LSeqStringSetChar final : public LTemplateInstruction<1, 4, 0> {
1417  public:
1418   LSeqStringSetChar(LOperand* context,
1419                     LOperand* string,
1420                     LOperand* index,
1421                     LOperand* value) {
1422     inputs_[0] = context;
1423     inputs_[1] = string;
1424     inputs_[2] = index;
1425     inputs_[3] = value;
1426   }
1427
1428   LOperand* string() { return inputs_[1]; }
1429   LOperand* index() { return inputs_[2]; }
1430   LOperand* value() { return inputs_[3]; }
1431
1432   DECLARE_CONCRETE_INSTRUCTION(SeqStringSetChar, "seq-string-set-char")
1433   DECLARE_HYDROGEN_ACCESSOR(SeqStringSetChar)
1434 };
1435
1436
1437 class LAddI final : public LTemplateInstruction<1, 2, 0> {
1438  public:
1439   LAddI(LOperand* left, LOperand* right) {
1440     inputs_[0] = left;
1441     inputs_[1] = right;
1442   }
1443
1444   LOperand* left() { return inputs_[0]; }
1445   LOperand* right() { return inputs_[1]; }
1446
1447   DECLARE_CONCRETE_INSTRUCTION(AddI, "add-i")
1448   DECLARE_HYDROGEN_ACCESSOR(Add)
1449 };
1450
1451
1452 class LMathMinMax final : public LTemplateInstruction<1, 2, 0> {
1453  public:
1454   LMathMinMax(LOperand* left, LOperand* right) {
1455     inputs_[0] = left;
1456     inputs_[1] = right;
1457   }
1458
1459   LOperand* left() { return inputs_[0]; }
1460   LOperand* right() { return inputs_[1]; }
1461
1462   DECLARE_CONCRETE_INSTRUCTION(MathMinMax, "math-min-max")
1463   DECLARE_HYDROGEN_ACCESSOR(MathMinMax)
1464 };
1465
1466
1467 class LPower final : public LTemplateInstruction<1, 2, 0> {
1468  public:
1469   LPower(LOperand* left, LOperand* right) {
1470     inputs_[0] = left;
1471     inputs_[1] = right;
1472   }
1473
1474   LOperand* left() { return inputs_[0]; }
1475   LOperand* right() { return inputs_[1]; }
1476
1477   DECLARE_CONCRETE_INSTRUCTION(Power, "power")
1478   DECLARE_HYDROGEN_ACCESSOR(Power)
1479 };
1480
1481
1482 class LArithmeticD final : public LTemplateInstruction<1, 2, 0> {
1483  public:
1484   LArithmeticD(Token::Value op, LOperand* left, LOperand* right)
1485       : op_(op) {
1486     inputs_[0] = left;
1487     inputs_[1] = right;
1488   }
1489
1490   Token::Value op() const { return op_; }
1491   LOperand* left() { return inputs_[0]; }
1492   LOperand* right() { return inputs_[1]; }
1493
1494   Opcode opcode() const override { return LInstruction::kArithmeticD; }
1495   void CompileToNative(LCodeGen* generator) override;
1496   const char* Mnemonic() const override;
1497
1498  private:
1499   Token::Value op_;
1500 };
1501
1502
1503 class LArithmeticT final : public LTemplateInstruction<1, 3, 0> {
1504  public:
1505   LArithmeticT(Token::Value op,
1506                LOperand* context,
1507                LOperand* left,
1508                LOperand* right)
1509       : op_(op) {
1510     inputs_[0] = context;
1511     inputs_[1] = left;
1512     inputs_[2] = right;
1513   }
1514
1515   LOperand* context() { return inputs_[0]; }
1516   LOperand* left() { return inputs_[1]; }
1517   LOperand* right() { return inputs_[2]; }
1518   Token::Value op() const { return op_; }
1519
1520   Opcode opcode() const override { return LInstruction::kArithmeticT; }
1521   void CompileToNative(LCodeGen* generator) override;
1522   const char* Mnemonic() const override;
1523
1524   DECLARE_HYDROGEN_ACCESSOR(BinaryOperation)
1525
1526   Strength strength() { return hydrogen()->strength(); }
1527
1528  private:
1529   Token::Value op_;
1530 };
1531
1532
1533 class LReturn final : public LTemplateInstruction<0, 3, 0> {
1534  public:
1535   LReturn(LOperand* value, LOperand* context, LOperand* parameter_count) {
1536     inputs_[0] = value;
1537     inputs_[1] = context;
1538     inputs_[2] = parameter_count;
1539   }
1540
1541   LOperand* value() { return inputs_[0]; }
1542
1543   bool has_constant_parameter_count() {
1544     return parameter_count()->IsConstantOperand();
1545   }
1546   LConstantOperand* constant_parameter_count() {
1547     DCHECK(has_constant_parameter_count());
1548     return LConstantOperand::cast(parameter_count());
1549   }
1550   LOperand* parameter_count() { return inputs_[2]; }
1551
1552   DECLARE_CONCRETE_INSTRUCTION(Return, "return")
1553 };
1554
1555
1556 class LLoadNamedField final : public LTemplateInstruction<1, 1, 0> {
1557  public:
1558   explicit LLoadNamedField(LOperand* object) {
1559     inputs_[0] = object;
1560   }
1561
1562   LOperand* object() { return inputs_[0]; }
1563
1564   DECLARE_CONCRETE_INSTRUCTION(LoadNamedField, "load-named-field")
1565   DECLARE_HYDROGEN_ACCESSOR(LoadNamedField)
1566 };
1567
1568
1569 class LLoadNamedGeneric final : public LTemplateInstruction<1, 2, 1> {
1570  public:
1571   LLoadNamedGeneric(LOperand* context, LOperand* object, LOperand* vector) {
1572     inputs_[0] = context;
1573     inputs_[1] = object;
1574     temps_[0] = vector;
1575   }
1576
1577   LOperand* context() { return inputs_[0]; }
1578   LOperand* object() { return inputs_[1]; }
1579   LOperand* temp_vector() { return temps_[0]; }
1580
1581   DECLARE_CONCRETE_INSTRUCTION(LoadNamedGeneric, "load-named-generic")
1582   DECLARE_HYDROGEN_ACCESSOR(LoadNamedGeneric)
1583
1584   Handle<Object> name() const { return hydrogen()->name(); }
1585 };
1586
1587
1588 class LLoadFunctionPrototype final : public LTemplateInstruction<1, 1, 0> {
1589  public:
1590   explicit LLoadFunctionPrototype(LOperand* function) {
1591     inputs_[0] = function;
1592   }
1593
1594   LOperand* function() { return inputs_[0]; }
1595
1596   DECLARE_CONCRETE_INSTRUCTION(LoadFunctionPrototype, "load-function-prototype")
1597   DECLARE_HYDROGEN_ACCESSOR(LoadFunctionPrototype)
1598 };
1599
1600
1601 class LLoadRoot final : public LTemplateInstruction<1, 0, 0> {
1602  public:
1603   DECLARE_CONCRETE_INSTRUCTION(LoadRoot, "load-root")
1604   DECLARE_HYDROGEN_ACCESSOR(LoadRoot)
1605
1606   Heap::RootListIndex index() const { return hydrogen()->index(); }
1607 };
1608
1609
1610 class LLoadKeyed final : public LTemplateInstruction<1, 2, 0> {
1611  public:
1612   LLoadKeyed(LOperand* elements, LOperand* key) {
1613     inputs_[0] = elements;
1614     inputs_[1] = key;
1615   }
1616
1617   LOperand* elements() { return inputs_[0]; }
1618   LOperand* key() { return inputs_[1]; }
1619   ElementsKind elements_kind() const {
1620     return hydrogen()->elements_kind();
1621   }
1622   bool is_fixed_typed_array() const {
1623     return hydrogen()->is_fixed_typed_array();
1624   }
1625
1626   DECLARE_CONCRETE_INSTRUCTION(LoadKeyed, "load-keyed")
1627   DECLARE_HYDROGEN_ACCESSOR(LoadKeyed)
1628
1629   void PrintDataTo(StringStream* stream) override;
1630   uint32_t base_offset() const { return hydrogen()->base_offset(); }
1631 };
1632
1633
1634 class LLoadKeyedGeneric final : public LTemplateInstruction<1, 3, 1> {
1635  public:
1636   LLoadKeyedGeneric(LOperand* context, LOperand* object, LOperand* key,
1637                     LOperand* vector) {
1638     inputs_[0] = context;
1639     inputs_[1] = object;
1640     inputs_[2] = key;
1641     temps_[0] = vector;
1642   }
1643
1644   LOperand* context() { return inputs_[0]; }
1645   LOperand* object() { return inputs_[1]; }
1646   LOperand* key() { return inputs_[2]; }
1647   LOperand* temp_vector() { return temps_[0]; }
1648
1649   DECLARE_CONCRETE_INSTRUCTION(LoadKeyedGeneric, "load-keyed-generic")
1650   DECLARE_HYDROGEN_ACCESSOR(LoadKeyedGeneric)
1651 };
1652
1653
1654 class LLoadGlobalGeneric final : public LTemplateInstruction<1, 2, 1> {
1655  public:
1656   LLoadGlobalGeneric(LOperand* context, LOperand* global_object,
1657                      LOperand* vector) {
1658     inputs_[0] = context;
1659     inputs_[1] = global_object;
1660     temps_[0] = vector;
1661   }
1662
1663   LOperand* context() { return inputs_[0]; }
1664   LOperand* global_object() { return inputs_[1]; }
1665   LOperand* temp_vector() { return temps_[0]; }
1666
1667   DECLARE_CONCRETE_INSTRUCTION(LoadGlobalGeneric, "load-global-generic")
1668   DECLARE_HYDROGEN_ACCESSOR(LoadGlobalGeneric)
1669
1670   Handle<Object> name() const { return hydrogen()->name(); }
1671   TypeofMode typeof_mode() const { return hydrogen()->typeof_mode(); }
1672 };
1673
1674
1675 class LLoadGlobalViaContext final : public LTemplateInstruction<1, 1, 1> {
1676  public:
1677   explicit LLoadGlobalViaContext(LOperand* context) { inputs_[0] = context; }
1678
1679   DECLARE_CONCRETE_INSTRUCTION(LoadGlobalViaContext, "load-global-via-context")
1680   DECLARE_HYDROGEN_ACCESSOR(LoadGlobalViaContext)
1681
1682   void PrintDataTo(StringStream* stream) override;
1683
1684   LOperand* context() { return inputs_[0]; }
1685
1686   int depth() const { return hydrogen()->depth(); }
1687   int slot_index() const { return hydrogen()->slot_index(); }
1688 };
1689
1690
1691 class LLoadContextSlot final : public LTemplateInstruction<1, 1, 0> {
1692  public:
1693   explicit LLoadContextSlot(LOperand* context) {
1694     inputs_[0] = context;
1695   }
1696
1697   LOperand* context() { return inputs_[0]; }
1698
1699   DECLARE_CONCRETE_INSTRUCTION(LoadContextSlot, "load-context-slot")
1700   DECLARE_HYDROGEN_ACCESSOR(LoadContextSlot)
1701
1702   int slot_index() { return hydrogen()->slot_index(); }
1703
1704   void PrintDataTo(StringStream* stream) override;
1705 };
1706
1707
1708 class LStoreContextSlot final : public LTemplateInstruction<0, 2, 0> {
1709  public:
1710   LStoreContextSlot(LOperand* context, LOperand* value) {
1711     inputs_[0] = context;
1712     inputs_[1] = value;
1713   }
1714
1715   LOperand* context() { return inputs_[0]; }
1716   LOperand* value() { return inputs_[1]; }
1717
1718   DECLARE_CONCRETE_INSTRUCTION(StoreContextSlot, "store-context-slot")
1719   DECLARE_HYDROGEN_ACCESSOR(StoreContextSlot)
1720
1721   int slot_index() { return hydrogen()->slot_index(); }
1722
1723   void PrintDataTo(StringStream* stream) override;
1724 };
1725
1726
1727 class LPushArgument final : public LTemplateInstruction<0, 1, 0> {
1728  public:
1729   explicit LPushArgument(LOperand* value) {
1730     inputs_[0] = value;
1731   }
1732
1733   LOperand* value() { return inputs_[0]; }
1734
1735   DECLARE_CONCRETE_INSTRUCTION(PushArgument, "push-argument")
1736 };
1737
1738
1739 class LDrop final : public LTemplateInstruction<0, 0, 0> {
1740  public:
1741   explicit LDrop(int count) : count_(count) { }
1742
1743   int count() const { return count_; }
1744
1745   DECLARE_CONCRETE_INSTRUCTION(Drop, "drop")
1746
1747  private:
1748   int count_;
1749 };
1750
1751
1752 class LStoreCodeEntry final : public LTemplateInstruction<0, 2, 0> {
1753  public:
1754   LStoreCodeEntry(LOperand* function, LOperand* code_object) {
1755     inputs_[0] = function;
1756     inputs_[1] = code_object;
1757   }
1758
1759   LOperand* function() { return inputs_[0]; }
1760   LOperand* code_object() { return inputs_[1]; }
1761
1762   void PrintDataTo(StringStream* stream) override;
1763
1764   DECLARE_CONCRETE_INSTRUCTION(StoreCodeEntry, "store-code-entry")
1765   DECLARE_HYDROGEN_ACCESSOR(StoreCodeEntry)
1766 };
1767
1768
1769 class LInnerAllocatedObject final : public LTemplateInstruction<1, 2, 0> {
1770  public:
1771   LInnerAllocatedObject(LOperand* base_object, LOperand* offset) {
1772     inputs_[0] = base_object;
1773     inputs_[1] = offset;
1774   }
1775
1776   LOperand* base_object() const { return inputs_[0]; }
1777   LOperand* offset() const { return inputs_[1]; }
1778
1779   void PrintDataTo(StringStream* stream) override;
1780
1781   DECLARE_CONCRETE_INSTRUCTION(InnerAllocatedObject, "inner-allocated-object")
1782 };
1783
1784
1785 class LThisFunction final : public LTemplateInstruction<1, 0, 0> {
1786  public:
1787   DECLARE_CONCRETE_INSTRUCTION(ThisFunction, "this-function")
1788   DECLARE_HYDROGEN_ACCESSOR(ThisFunction)
1789 };
1790
1791
1792 class LContext final : public LTemplateInstruction<1, 0, 0> {
1793  public:
1794   DECLARE_CONCRETE_INSTRUCTION(Context, "context")
1795   DECLARE_HYDROGEN_ACCESSOR(Context)
1796 };
1797
1798
1799 class LDeclareGlobals final : public LTemplateInstruction<0, 1, 0> {
1800  public:
1801   explicit LDeclareGlobals(LOperand* context) {
1802     inputs_[0] = context;
1803   }
1804
1805   LOperand* context() { return inputs_[0]; }
1806
1807   DECLARE_CONCRETE_INSTRUCTION(DeclareGlobals, "declare-globals")
1808   DECLARE_HYDROGEN_ACCESSOR(DeclareGlobals)
1809 };
1810
1811
1812 class LCallJSFunction final : public LTemplateInstruction<1, 1, 0> {
1813  public:
1814   explicit LCallJSFunction(LOperand* function) {
1815     inputs_[0] = function;
1816   }
1817
1818   LOperand* function() { return inputs_[0]; }
1819
1820   DECLARE_CONCRETE_INSTRUCTION(CallJSFunction, "call-js-function")
1821   DECLARE_HYDROGEN_ACCESSOR(CallJSFunction)
1822
1823   void PrintDataTo(StringStream* stream) override;
1824
1825   int arity() const { return hydrogen()->argument_count() - 1; }
1826 };
1827
1828
1829 class LCallWithDescriptor final : public LTemplateResultInstruction<1> {
1830  public:
1831   LCallWithDescriptor(CallInterfaceDescriptor descriptor,
1832                       const ZoneList<LOperand*>& operands, Zone* zone)
1833       : descriptor_(descriptor),
1834         inputs_(descriptor.GetRegisterParameterCount() +
1835                     kImplicitRegisterParameterCount,
1836                 zone) {
1837     DCHECK(descriptor.GetRegisterParameterCount() +
1838                kImplicitRegisterParameterCount ==
1839            operands.length());
1840     inputs_.AddAll(operands, zone);
1841   }
1842
1843   LOperand* target() const { return inputs_[0]; }
1844
1845   const CallInterfaceDescriptor descriptor() { return descriptor_; }
1846
1847   DECLARE_HYDROGEN_ACCESSOR(CallWithDescriptor)
1848
1849   // The target and context are passed as implicit parameters that are not
1850   // explicitly listed in the descriptor.
1851   static const int kImplicitRegisterParameterCount = 2;
1852
1853  private:
1854   DECLARE_CONCRETE_INSTRUCTION(CallWithDescriptor, "call-with-descriptor")
1855
1856   void PrintDataTo(StringStream* stream) override;
1857
1858   int arity() const { return hydrogen()->argument_count() - 1; }
1859
1860   CallInterfaceDescriptor descriptor_;
1861   ZoneList<LOperand*> inputs_;
1862
1863   // Iterator support.
1864   int InputCount() final { return inputs_.length(); }
1865   LOperand* InputAt(int i) final { return inputs_[i]; }
1866
1867   int TempCount() final { return 0; }
1868   LOperand* TempAt(int i) final { return NULL; }
1869 };
1870
1871
1872 class LInvokeFunction final : public LTemplateInstruction<1, 2, 0> {
1873  public:
1874   LInvokeFunction(LOperand* context, LOperand* function) {
1875     inputs_[0] = context;
1876     inputs_[1] = function;
1877   }
1878
1879   LOperand* context() { return inputs_[0]; }
1880   LOperand* function() { return inputs_[1]; }
1881
1882   DECLARE_CONCRETE_INSTRUCTION(InvokeFunction, "invoke-function")
1883   DECLARE_HYDROGEN_ACCESSOR(InvokeFunction)
1884
1885   void PrintDataTo(StringStream* stream) override;
1886
1887   int arity() const { return hydrogen()->argument_count() - 1; }
1888 };
1889
1890
1891 class LCallFunction final : public LTemplateInstruction<1, 2, 2> {
1892  public:
1893   LCallFunction(LOperand* context, LOperand* function, LOperand* slot,
1894                 LOperand* vector) {
1895     inputs_[0] = context;
1896     inputs_[1] = function;
1897     temps_[0] = slot;
1898     temps_[1] = vector;
1899   }
1900
1901   LOperand* context() { return inputs_[0]; }
1902   LOperand* function() { return inputs_[1]; }
1903   LOperand* temp_slot() { return temps_[0]; }
1904   LOperand* temp_vector() { return temps_[1]; }
1905
1906   DECLARE_CONCRETE_INSTRUCTION(CallFunction, "call-function")
1907   DECLARE_HYDROGEN_ACCESSOR(CallFunction)
1908
1909   int arity() const { return hydrogen()->argument_count() - 1; }
1910   void PrintDataTo(StringStream* stream) override;
1911 };
1912
1913
1914 class LCallNew final : public LTemplateInstruction<1, 2, 0> {
1915  public:
1916   LCallNew(LOperand* context, LOperand* constructor) {
1917     inputs_[0] = context;
1918     inputs_[1] = constructor;
1919   }
1920
1921   LOperand* context() { return inputs_[0]; }
1922   LOperand* constructor() { return inputs_[1]; }
1923
1924   DECLARE_CONCRETE_INSTRUCTION(CallNew, "call-new")
1925   DECLARE_HYDROGEN_ACCESSOR(CallNew)
1926
1927   void PrintDataTo(StringStream* stream) override;
1928
1929   int arity() const { return hydrogen()->argument_count() - 1; }
1930 };
1931
1932
1933 class LCallNewArray final : public LTemplateInstruction<1, 2, 0> {
1934  public:
1935   LCallNewArray(LOperand* context, LOperand* constructor) {
1936     inputs_[0] = context;
1937     inputs_[1] = constructor;
1938   }
1939
1940   LOperand* context() { return inputs_[0]; }
1941   LOperand* constructor() { return inputs_[1]; }
1942
1943   DECLARE_CONCRETE_INSTRUCTION(CallNewArray, "call-new-array")
1944   DECLARE_HYDROGEN_ACCESSOR(CallNewArray)
1945
1946   void PrintDataTo(StringStream* stream) override;
1947
1948   int arity() const { return hydrogen()->argument_count() - 1; }
1949 };
1950
1951
1952 class LCallRuntime final : public LTemplateInstruction<1, 1, 0> {
1953  public:
1954   explicit LCallRuntime(LOperand* context) {
1955     inputs_[0] = context;
1956   }
1957
1958   LOperand* context() { return inputs_[0]; }
1959
1960   DECLARE_CONCRETE_INSTRUCTION(CallRuntime, "call-runtime")
1961   DECLARE_HYDROGEN_ACCESSOR(CallRuntime)
1962
1963   bool ClobbersDoubleRegisters(Isolate* isolate) const override {
1964     return save_doubles() == kDontSaveFPRegs;
1965   }
1966
1967   const Runtime::Function* function() const { return hydrogen()->function(); }
1968   int arity() const { return hydrogen()->argument_count(); }
1969   SaveFPRegsMode save_doubles() const { return hydrogen()->save_doubles(); }
1970 };
1971
1972
1973 class LInteger32ToDouble final : public LTemplateInstruction<1, 1, 0> {
1974  public:
1975   explicit LInteger32ToDouble(LOperand* value) {
1976     inputs_[0] = value;
1977   }
1978
1979   LOperand* value() { return inputs_[0]; }
1980
1981   DECLARE_CONCRETE_INSTRUCTION(Integer32ToDouble, "int32-to-double")
1982 };
1983
1984
1985 class LUint32ToDouble final : public LTemplateInstruction<1, 1, 0> {
1986  public:
1987   explicit LUint32ToDouble(LOperand* value) {
1988     inputs_[0] = value;
1989   }
1990
1991   LOperand* value() { return inputs_[0]; }
1992
1993   DECLARE_CONCRETE_INSTRUCTION(Uint32ToDouble, "uint32-to-double")
1994 };
1995
1996
1997 class LNumberTagI final : public LTemplateInstruction<1, 1, 2> {
1998  public:
1999   LNumberTagI(LOperand* value, LOperand* temp1, LOperand* temp2) {
2000     inputs_[0] = value;
2001     temps_[0] = temp1;
2002     temps_[1] = temp2;
2003   }
2004
2005   LOperand* value() { return inputs_[0]; }
2006   LOperand* temp1() { return temps_[0]; }
2007   LOperand* temp2() { return temps_[1]; }
2008
2009   DECLARE_CONCRETE_INSTRUCTION(NumberTagI, "number-tag-i")
2010 };
2011
2012
2013 class LNumberTagU final : public LTemplateInstruction<1, 1, 2> {
2014  public:
2015   LNumberTagU(LOperand* value, LOperand* temp1, LOperand* temp2) {
2016     inputs_[0] = value;
2017     temps_[0] = temp1;
2018     temps_[1] = temp2;
2019   }
2020
2021   LOperand* value() { return inputs_[0]; }
2022   LOperand* temp1() { return temps_[0]; }
2023   LOperand* temp2() { return temps_[1]; }
2024
2025   DECLARE_CONCRETE_INSTRUCTION(NumberTagU, "number-tag-u")
2026 };
2027
2028
2029 class LNumberTagD final : public LTemplateInstruction<1, 1, 2> {
2030  public:
2031   LNumberTagD(LOperand* value, LOperand* temp, LOperand* temp2) {
2032     inputs_[0] = value;
2033     temps_[0] = temp;
2034     temps_[1] = temp2;
2035   }
2036
2037   LOperand* value() { return inputs_[0]; }
2038   LOperand* temp() { return temps_[0]; }
2039   LOperand* temp2() { return temps_[1]; }
2040
2041   DECLARE_CONCRETE_INSTRUCTION(NumberTagD, "number-tag-d")
2042   DECLARE_HYDROGEN_ACCESSOR(Change)
2043 };
2044
2045
2046 class LDoubleToSmi final : public LTemplateInstruction<1, 1, 0> {
2047  public:
2048   explicit LDoubleToSmi(LOperand* value) {
2049     inputs_[0] = value;
2050   }
2051
2052   LOperand* value() { return inputs_[0]; }
2053
2054   DECLARE_CONCRETE_INSTRUCTION(DoubleToSmi, "double-to-smi")
2055   DECLARE_HYDROGEN_ACCESSOR(UnaryOperation)
2056
2057   bool truncating() { return hydrogen()->CanTruncateToInt32(); }
2058 };
2059
2060
2061 // Sometimes truncating conversion from a tagged value to an int32.
2062 class LDoubleToI final : public LTemplateInstruction<1, 1, 0> {
2063  public:
2064   explicit LDoubleToI(LOperand* value) {
2065     inputs_[0] = value;
2066   }
2067
2068   LOperand* value() { return inputs_[0]; }
2069
2070   DECLARE_CONCRETE_INSTRUCTION(DoubleToI, "double-to-i")
2071   DECLARE_HYDROGEN_ACCESSOR(UnaryOperation)
2072
2073   bool truncating() { return hydrogen()->CanTruncateToInt32(); }
2074 };
2075
2076
2077 // Truncating conversion from a tagged value to an int32.
2078 class LTaggedToI final : public LTemplateInstruction<1, 1, 2> {
2079  public:
2080   LTaggedToI(LOperand* value,
2081              LOperand* temp,
2082              LOperand* temp2) {
2083     inputs_[0] = value;
2084     temps_[0] = temp;
2085     temps_[1] = temp2;
2086   }
2087
2088   LOperand* value() { return inputs_[0]; }
2089   LOperand* temp() { return temps_[0]; }
2090   LOperand* temp2() { return temps_[1]; }
2091
2092   DECLARE_CONCRETE_INSTRUCTION(TaggedToI, "tagged-to-i")
2093   DECLARE_HYDROGEN_ACCESSOR(Change)
2094
2095   bool truncating() { return hydrogen()->CanTruncateToInt32(); }
2096 };
2097
2098
2099 class LSmiTag final : public LTemplateInstruction<1, 1, 0> {
2100  public:
2101   explicit LSmiTag(LOperand* value) {
2102     inputs_[0] = value;
2103   }
2104
2105   LOperand* value() { return inputs_[0]; }
2106
2107   DECLARE_CONCRETE_INSTRUCTION(SmiTag, "smi-tag")
2108   DECLARE_HYDROGEN_ACCESSOR(Change)
2109 };
2110
2111
2112 class LNumberUntagD final : public LTemplateInstruction<1, 1, 0> {
2113  public:
2114   explicit LNumberUntagD(LOperand* value) {
2115     inputs_[0] = value;
2116   }
2117
2118   LOperand* value() { return inputs_[0]; }
2119
2120   DECLARE_CONCRETE_INSTRUCTION(NumberUntagD, "double-untag")
2121   DECLARE_HYDROGEN_ACCESSOR(Change)
2122 };
2123
2124
2125 class LSmiUntag final : public LTemplateInstruction<1, 1, 0> {
2126  public:
2127   LSmiUntag(LOperand* value, bool needs_check)
2128       : needs_check_(needs_check) {
2129     inputs_[0] = value;
2130   }
2131
2132   LOperand* value() { return inputs_[0]; }
2133   bool needs_check() const { return needs_check_; }
2134
2135   DECLARE_CONCRETE_INSTRUCTION(SmiUntag, "smi-untag")
2136
2137  private:
2138   bool needs_check_;
2139 };
2140
2141
2142 class LStoreNamedField final : public LTemplateInstruction<0, 2, 1> {
2143  public:
2144   LStoreNamedField(LOperand* object, LOperand* value, LOperand* temp) {
2145     inputs_[0] = object;
2146     inputs_[1] = value;
2147     temps_[0] = temp;
2148   }
2149
2150   LOperand* object() { return inputs_[0]; }
2151   LOperand* value() { return inputs_[1]; }
2152   LOperand* temp() { return temps_[0]; }
2153
2154   DECLARE_CONCRETE_INSTRUCTION(StoreNamedField, "store-named-field")
2155   DECLARE_HYDROGEN_ACCESSOR(StoreNamedField)
2156
2157   void PrintDataTo(StringStream* stream) override;
2158
2159   Representation representation() const {
2160     return hydrogen()->field_representation();
2161   }
2162 };
2163
2164
2165 class LStoreNamedGeneric final : public LTemplateInstruction<0, 3, 2> {
2166  public:
2167   LStoreNamedGeneric(LOperand* context, LOperand* object, LOperand* value,
2168                      LOperand* slot, LOperand* vector) {
2169     inputs_[0] = context;
2170     inputs_[1] = object;
2171     inputs_[2] = value;
2172     temps_[0] = slot;
2173     temps_[1] = vector;
2174   }
2175
2176   LOperand* context() { return inputs_[0]; }
2177   LOperand* object() { return inputs_[1]; }
2178   LOperand* value() { return inputs_[2]; }
2179   LOperand* temp_slot() { return temps_[0]; }
2180   LOperand* temp_vector() { return temps_[1]; }
2181
2182   DECLARE_CONCRETE_INSTRUCTION(StoreNamedGeneric, "store-named-generic")
2183   DECLARE_HYDROGEN_ACCESSOR(StoreNamedGeneric)
2184
2185   void PrintDataTo(StringStream* stream) override;
2186
2187   Handle<Object> name() const { return hydrogen()->name(); }
2188   LanguageMode language_mode() { return hydrogen()->language_mode(); }
2189 };
2190
2191
2192 class LStoreGlobalViaContext final : public LTemplateInstruction<0, 2, 0> {
2193  public:
2194   LStoreGlobalViaContext(LOperand* context, LOperand* value) {
2195     inputs_[0] = context;
2196     inputs_[1] = value;
2197   }
2198
2199   LOperand* context() { return inputs_[0]; }
2200   LOperand* value() { return inputs_[1]; }
2201
2202   DECLARE_CONCRETE_INSTRUCTION(StoreGlobalViaContext,
2203                                "store-global-via-context")
2204   DECLARE_HYDROGEN_ACCESSOR(StoreGlobalViaContext)
2205
2206   void PrintDataTo(StringStream* stream) override;
2207
2208   int depth() { return hydrogen()->depth(); }
2209   int slot_index() { return hydrogen()->slot_index(); }
2210   LanguageMode language_mode() { return hydrogen()->language_mode(); }
2211 };
2212
2213
2214 class LStoreKeyed final : public LTemplateInstruction<0, 3, 0> {
2215  public:
2216   LStoreKeyed(LOperand* object, LOperand* key, LOperand* value) {
2217     inputs_[0] = object;
2218     inputs_[1] = key;
2219     inputs_[2] = value;
2220   }
2221
2222   bool is_fixed_typed_array() const {
2223     return hydrogen()->is_fixed_typed_array();
2224   }
2225   LOperand* elements() { return inputs_[0]; }
2226   LOperand* key() { return inputs_[1]; }
2227   LOperand* value() { return inputs_[2]; }
2228   ElementsKind elements_kind() const {
2229     return hydrogen()->elements_kind();
2230   }
2231
2232   DECLARE_CONCRETE_INSTRUCTION(StoreKeyed, "store-keyed")
2233   DECLARE_HYDROGEN_ACCESSOR(StoreKeyed)
2234
2235   void PrintDataTo(StringStream* stream) override;
2236   bool NeedsCanonicalization() {
2237     if (hydrogen()->value()->IsAdd() || hydrogen()->value()->IsSub() ||
2238         hydrogen()->value()->IsMul() || hydrogen()->value()->IsDiv()) {
2239       return false;
2240     }
2241     return hydrogen()->NeedsCanonicalization();
2242   }
2243   uint32_t base_offset() const { return hydrogen()->base_offset(); }
2244 };
2245
2246
2247 class LStoreKeyedGeneric final : public LTemplateInstruction<0, 4, 2> {
2248  public:
2249   LStoreKeyedGeneric(LOperand* context, LOperand* object, LOperand* key,
2250                      LOperand* value, LOperand* slot, LOperand* vector) {
2251     inputs_[0] = context;
2252     inputs_[1] = object;
2253     inputs_[2] = key;
2254     inputs_[3] = value;
2255     temps_[0] = slot;
2256     temps_[1] = vector;
2257   }
2258
2259   LOperand* context() { return inputs_[0]; }
2260   LOperand* object() { return inputs_[1]; }
2261   LOperand* key() { return inputs_[2]; }
2262   LOperand* value() { return inputs_[3]; }
2263   LOperand* temp_slot() { return temps_[0]; }
2264   LOperand* temp_vector() { return temps_[1]; }
2265
2266   DECLARE_CONCRETE_INSTRUCTION(StoreKeyedGeneric, "store-keyed-generic")
2267   DECLARE_HYDROGEN_ACCESSOR(StoreKeyedGeneric)
2268
2269   void PrintDataTo(StringStream* stream) override;
2270
2271   LanguageMode language_mode() { return hydrogen()->language_mode(); }
2272 };
2273
2274
2275 class LTransitionElementsKind final : public LTemplateInstruction<0, 2, 1> {
2276  public:
2277   LTransitionElementsKind(LOperand* object,
2278                           LOperand* context,
2279                           LOperand* new_map_temp) {
2280     inputs_[0] = object;
2281     inputs_[1] = context;
2282     temps_[0] = new_map_temp;
2283   }
2284
2285   LOperand* context() { return inputs_[1]; }
2286   LOperand* object() { return inputs_[0]; }
2287   LOperand* new_map_temp() { return temps_[0]; }
2288
2289   DECLARE_CONCRETE_INSTRUCTION(TransitionElementsKind,
2290                                "transition-elements-kind")
2291   DECLARE_HYDROGEN_ACCESSOR(TransitionElementsKind)
2292
2293   void PrintDataTo(StringStream* stream) override;
2294
2295   Handle<Map> original_map() { return hydrogen()->original_map().handle(); }
2296   Handle<Map> transitioned_map() {
2297     return hydrogen()->transitioned_map().handle();
2298   }
2299   ElementsKind from_kind() { return hydrogen()->from_kind(); }
2300   ElementsKind to_kind() { return hydrogen()->to_kind(); }
2301 };
2302
2303
2304 class LTrapAllocationMemento final : public LTemplateInstruction<0, 1, 1> {
2305  public:
2306   LTrapAllocationMemento(LOperand* object,
2307                          LOperand* temp) {
2308     inputs_[0] = object;
2309     temps_[0] = temp;
2310   }
2311
2312   LOperand* object() { return inputs_[0]; }
2313   LOperand* temp() { return temps_[0]; }
2314
2315   DECLARE_CONCRETE_INSTRUCTION(TrapAllocationMemento,
2316                                "trap-allocation-memento")
2317 };
2318
2319
2320 class LMaybeGrowElements final : public LTemplateInstruction<1, 5, 0> {
2321  public:
2322   LMaybeGrowElements(LOperand* context, LOperand* object, LOperand* elements,
2323                      LOperand* key, LOperand* current_capacity) {
2324     inputs_[0] = context;
2325     inputs_[1] = object;
2326     inputs_[2] = elements;
2327     inputs_[3] = key;
2328     inputs_[4] = current_capacity;
2329   }
2330
2331   LOperand* context() { return inputs_[0]; }
2332   LOperand* object() { return inputs_[1]; }
2333   LOperand* elements() { return inputs_[2]; }
2334   LOperand* key() { return inputs_[3]; }
2335   LOperand* current_capacity() { return inputs_[4]; }
2336
2337   DECLARE_HYDROGEN_ACCESSOR(MaybeGrowElements)
2338   DECLARE_CONCRETE_INSTRUCTION(MaybeGrowElements, "maybe-grow-elements")
2339 };
2340
2341
2342 class LStringAdd final : public LTemplateInstruction<1, 3, 0> {
2343  public:
2344   LStringAdd(LOperand* context, LOperand* left, LOperand* right) {
2345     inputs_[0] = context;
2346     inputs_[1] = left;
2347     inputs_[2] = right;
2348   }
2349
2350   LOperand* context() { return inputs_[0]; }
2351   LOperand* left() { return inputs_[1]; }
2352   LOperand* right() { return inputs_[2]; }
2353
2354   DECLARE_CONCRETE_INSTRUCTION(StringAdd, "string-add")
2355   DECLARE_HYDROGEN_ACCESSOR(StringAdd)
2356 };
2357
2358
2359 class LStringCharCodeAt final : public LTemplateInstruction<1, 3, 0> {
2360  public:
2361   LStringCharCodeAt(LOperand* context, LOperand* string, LOperand* index) {
2362     inputs_[0] = context;
2363     inputs_[1] = string;
2364     inputs_[2] = index;
2365   }
2366
2367   LOperand* context() { return inputs_[0]; }
2368   LOperand* string() { return inputs_[1]; }
2369   LOperand* index() { return inputs_[2]; }
2370
2371   DECLARE_CONCRETE_INSTRUCTION(StringCharCodeAt, "string-char-code-at")
2372   DECLARE_HYDROGEN_ACCESSOR(StringCharCodeAt)
2373 };
2374
2375
2376 class LStringCharFromCode final : public LTemplateInstruction<1, 2, 0> {
2377  public:
2378   explicit LStringCharFromCode(LOperand* context, LOperand* char_code) {
2379     inputs_[0] = context;
2380     inputs_[1] = char_code;
2381   }
2382
2383   LOperand* context() { return inputs_[0]; }
2384   LOperand* char_code() { return inputs_[1]; }
2385
2386   DECLARE_CONCRETE_INSTRUCTION(StringCharFromCode, "string-char-from-code")
2387   DECLARE_HYDROGEN_ACCESSOR(StringCharFromCode)
2388 };
2389
2390
2391 class LCheckValue final : public LTemplateInstruction<0, 1, 0> {
2392  public:
2393   explicit LCheckValue(LOperand* value) {
2394     inputs_[0] = value;
2395   }
2396
2397   LOperand* value() { return inputs_[0]; }
2398
2399   DECLARE_CONCRETE_INSTRUCTION(CheckValue, "check-value")
2400   DECLARE_HYDROGEN_ACCESSOR(CheckValue)
2401 };
2402
2403
2404 class LCheckArrayBufferNotNeutered final
2405     : public LTemplateInstruction<0, 1, 0> {
2406  public:
2407   explicit LCheckArrayBufferNotNeutered(LOperand* view) { inputs_[0] = view; }
2408
2409   LOperand* view() { return inputs_[0]; }
2410
2411   DECLARE_CONCRETE_INSTRUCTION(CheckArrayBufferNotNeutered,
2412                                "check-array-buffer-not-neutered")
2413   DECLARE_HYDROGEN_ACCESSOR(CheckArrayBufferNotNeutered)
2414 };
2415
2416
2417 class LCheckInstanceType final : public LTemplateInstruction<0, 1, 0> {
2418  public:
2419   explicit LCheckInstanceType(LOperand* value) {
2420     inputs_[0] = value;
2421   }
2422
2423   LOperand* value() { return inputs_[0]; }
2424
2425   DECLARE_CONCRETE_INSTRUCTION(CheckInstanceType, "check-instance-type")
2426   DECLARE_HYDROGEN_ACCESSOR(CheckInstanceType)
2427 };
2428
2429
2430 class LCheckMaps final : public LTemplateInstruction<0, 1, 0> {
2431  public:
2432   explicit LCheckMaps(LOperand* value = NULL) {
2433     inputs_[0] = value;
2434   }
2435
2436   LOperand* value() { return inputs_[0]; }
2437
2438   DECLARE_CONCRETE_INSTRUCTION(CheckMaps, "check-maps")
2439   DECLARE_HYDROGEN_ACCESSOR(CheckMaps)
2440 };
2441
2442
2443 class LCheckSmi final : public LTemplateInstruction<1, 1, 0> {
2444  public:
2445   explicit LCheckSmi(LOperand* value) {
2446     inputs_[0] = value;
2447   }
2448
2449   LOperand* value() { return inputs_[0]; }
2450
2451   DECLARE_CONCRETE_INSTRUCTION(CheckSmi, "check-smi")
2452 };
2453
2454
2455 class LCheckNonSmi final : public LTemplateInstruction<0, 1, 0> {
2456  public:
2457   explicit LCheckNonSmi(LOperand* value) {
2458     inputs_[0] = value;
2459   }
2460
2461   LOperand* value() { return inputs_[0]; }
2462
2463   DECLARE_CONCRETE_INSTRUCTION(CheckNonSmi, "check-non-smi")
2464   DECLARE_HYDROGEN_ACCESSOR(CheckHeapObject)
2465 };
2466
2467
2468 class LClampDToUint8 final : public LTemplateInstruction<1, 1, 0> {
2469  public:
2470   explicit LClampDToUint8(LOperand* unclamped) {
2471     inputs_[0] = unclamped;
2472   }
2473
2474   LOperand* unclamped() { return inputs_[0]; }
2475
2476   DECLARE_CONCRETE_INSTRUCTION(ClampDToUint8, "clamp-d-to-uint8")
2477 };
2478
2479
2480 class LClampIToUint8 final : public LTemplateInstruction<1, 1, 0> {
2481  public:
2482   explicit LClampIToUint8(LOperand* unclamped) {
2483     inputs_[0] = unclamped;
2484   }
2485
2486   LOperand* unclamped() { return inputs_[0]; }
2487
2488   DECLARE_CONCRETE_INSTRUCTION(ClampIToUint8, "clamp-i-to-uint8")
2489 };
2490
2491
2492 class LClampTToUint8 final : public LTemplateInstruction<1, 1, 1> {
2493  public:
2494   LClampTToUint8(LOperand* unclamped, LOperand* temp) {
2495     inputs_[0] = unclamped;
2496     temps_[0] = temp;
2497   }
2498
2499   LOperand* unclamped() { return inputs_[0]; }
2500   LOperand* temp() { return temps_[0]; }
2501
2502   DECLARE_CONCRETE_INSTRUCTION(ClampTToUint8, "clamp-t-to-uint8")
2503 };
2504
2505
2506 class LDoubleBits final : public LTemplateInstruction<1, 1, 0> {
2507  public:
2508   explicit LDoubleBits(LOperand* value) {
2509     inputs_[0] = value;
2510   }
2511
2512   LOperand* value() { return inputs_[0]; }
2513
2514   DECLARE_CONCRETE_INSTRUCTION(DoubleBits, "double-bits")
2515   DECLARE_HYDROGEN_ACCESSOR(DoubleBits)
2516 };
2517
2518
2519 class LConstructDouble final : public LTemplateInstruction<1, 2, 0> {
2520  public:
2521   LConstructDouble(LOperand* hi, LOperand* lo) {
2522     inputs_[0] = hi;
2523     inputs_[1] = lo;
2524   }
2525
2526   LOperand* hi() { return inputs_[0]; }
2527   LOperand* lo() { return inputs_[1]; }
2528
2529   DECLARE_CONCRETE_INSTRUCTION(ConstructDouble, "construct-double")
2530 };
2531
2532
2533 class LAllocate final : public LTemplateInstruction<1, 2, 2> {
2534  public:
2535   LAllocate(LOperand* context,
2536             LOperand* size,
2537             LOperand* temp1,
2538             LOperand* temp2) {
2539     inputs_[0] = context;
2540     inputs_[1] = size;
2541     temps_[0] = temp1;
2542     temps_[1] = temp2;
2543   }
2544
2545   LOperand* context() { return inputs_[0]; }
2546   LOperand* size() { return inputs_[1]; }
2547   LOperand* temp1() { return temps_[0]; }
2548   LOperand* temp2() { return temps_[1]; }
2549
2550   DECLARE_CONCRETE_INSTRUCTION(Allocate, "allocate")
2551   DECLARE_HYDROGEN_ACCESSOR(Allocate)
2552 };
2553
2554
2555 class LRegExpLiteral final : public LTemplateInstruction<1, 1, 0> {
2556  public:
2557   explicit LRegExpLiteral(LOperand* context) {
2558     inputs_[0] = context;
2559   }
2560
2561   LOperand* context() { return inputs_[0]; }
2562
2563   DECLARE_CONCRETE_INSTRUCTION(RegExpLiteral, "regexp-literal")
2564   DECLARE_HYDROGEN_ACCESSOR(RegExpLiteral)
2565 };
2566
2567
2568 class LToFastProperties final : public LTemplateInstruction<1, 1, 0> {
2569  public:
2570   explicit LToFastProperties(LOperand* value) {
2571     inputs_[0] = value;
2572   }
2573
2574   LOperand* value() { return inputs_[0]; }
2575
2576   DECLARE_CONCRETE_INSTRUCTION(ToFastProperties, "to-fast-properties")
2577   DECLARE_HYDROGEN_ACCESSOR(ToFastProperties)
2578 };
2579
2580
2581 class LTypeof final : public LTemplateInstruction<1, 2, 0> {
2582  public:
2583   LTypeof(LOperand* context, LOperand* value) {
2584     inputs_[0] = context;
2585     inputs_[1] = value;
2586   }
2587
2588   LOperand* context() { return inputs_[0]; }
2589   LOperand* value() { return inputs_[1]; }
2590
2591   DECLARE_CONCRETE_INSTRUCTION(Typeof, "typeof")
2592 };
2593
2594
2595 class LTypeofIsAndBranch final : public LControlInstruction<1, 0> {
2596  public:
2597   explicit LTypeofIsAndBranch(LOperand* value) {
2598     inputs_[0] = value;
2599   }
2600
2601   LOperand* value() { return inputs_[0]; }
2602
2603   DECLARE_CONCRETE_INSTRUCTION(TypeofIsAndBranch, "typeof-is-and-branch")
2604   DECLARE_HYDROGEN_ACCESSOR(TypeofIsAndBranch)
2605
2606   Handle<String> type_literal() { return hydrogen()->type_literal(); }
2607
2608   void PrintDataTo(StringStream* stream) override;
2609 };
2610
2611
2612 class LIsConstructCallAndBranch final : public LControlInstruction<0, 1> {
2613  public:
2614   explicit LIsConstructCallAndBranch(LOperand* temp) {
2615     temps_[0] = temp;
2616   }
2617
2618   LOperand* temp() { return temps_[0]; }
2619
2620   DECLARE_CONCRETE_INSTRUCTION(IsConstructCallAndBranch,
2621                                "is-construct-call-and-branch")
2622 };
2623
2624
2625 class LOsrEntry final : public LTemplateInstruction<0, 0, 0> {
2626  public:
2627   LOsrEntry() {}
2628
2629   bool HasInterestingComment(LCodeGen* gen) const override { return false; }
2630   DECLARE_CONCRETE_INSTRUCTION(OsrEntry, "osr-entry")
2631 };
2632
2633
2634 class LStackCheck final : public LTemplateInstruction<0, 1, 0> {
2635  public:
2636   explicit LStackCheck(LOperand* context) {
2637     inputs_[0] = context;
2638   }
2639
2640   LOperand* context() { return inputs_[0]; }
2641
2642   DECLARE_CONCRETE_INSTRUCTION(StackCheck, "stack-check")
2643   DECLARE_HYDROGEN_ACCESSOR(StackCheck)
2644
2645   Label* done_label() { return &done_label_; }
2646
2647  private:
2648   Label done_label_;
2649 };
2650
2651
2652 class LForInPrepareMap final : public LTemplateInstruction<1, 2, 0> {
2653  public:
2654   LForInPrepareMap(LOperand* context, LOperand* object) {
2655     inputs_[0] = context;
2656     inputs_[1] = object;
2657   }
2658
2659   LOperand* context() { return inputs_[0]; }
2660   LOperand* object() { return inputs_[1]; }
2661
2662   DECLARE_CONCRETE_INSTRUCTION(ForInPrepareMap, "for-in-prepare-map")
2663 };
2664
2665
2666 class LForInCacheArray final : public LTemplateInstruction<1, 1, 0> {
2667  public:
2668   explicit LForInCacheArray(LOperand* map) {
2669     inputs_[0] = map;
2670   }
2671
2672   LOperand* map() { return inputs_[0]; }
2673
2674   DECLARE_CONCRETE_INSTRUCTION(ForInCacheArray, "for-in-cache-array")
2675
2676   int idx() {
2677     return HForInCacheArray::cast(this->hydrogen_value())->idx();
2678   }
2679 };
2680
2681
2682 class LCheckMapValue final : public LTemplateInstruction<0, 2, 0> {
2683  public:
2684   LCheckMapValue(LOperand* value, LOperand* map) {
2685     inputs_[0] = value;
2686     inputs_[1] = map;
2687   }
2688
2689   LOperand* value() { return inputs_[0]; }
2690   LOperand* map() { return inputs_[1]; }
2691
2692   DECLARE_CONCRETE_INSTRUCTION(CheckMapValue, "check-map-value")
2693 };
2694
2695
2696 class LLoadFieldByIndex final : public LTemplateInstruction<1, 2, 0> {
2697  public:
2698   LLoadFieldByIndex(LOperand* object, LOperand* index) {
2699     inputs_[0] = object;
2700     inputs_[1] = index;
2701   }
2702
2703   LOperand* object() { return inputs_[0]; }
2704   LOperand* index() { return inputs_[1]; }
2705
2706   DECLARE_CONCRETE_INSTRUCTION(LoadFieldByIndex, "load-field-by-index")
2707 };
2708
2709
2710 class LStoreFrameContext: public LTemplateInstruction<0, 1, 0> {
2711  public:
2712   explicit LStoreFrameContext(LOperand* context) {
2713     inputs_[0] = context;
2714   }
2715
2716   LOperand* context() { return inputs_[0]; }
2717
2718   DECLARE_CONCRETE_INSTRUCTION(StoreFrameContext, "store-frame-context")
2719 };
2720
2721
2722 class LAllocateBlockContext: public LTemplateInstruction<1, 2, 0> {
2723  public:
2724   LAllocateBlockContext(LOperand* context, LOperand* function) {
2725     inputs_[0] = context;
2726     inputs_[1] = function;
2727   }
2728
2729   LOperand* context() { return inputs_[0]; }
2730   LOperand* function() { return inputs_[1]; }
2731
2732   Handle<ScopeInfo> scope_info() { return hydrogen()->scope_info(); }
2733
2734   DECLARE_CONCRETE_INSTRUCTION(AllocateBlockContext, "allocate-block-context")
2735   DECLARE_HYDROGEN_ACCESSOR(AllocateBlockContext)
2736 };
2737
2738
2739 class LChunkBuilder;
2740 class LPlatformChunk final : public LChunk {
2741  public:
2742   LPlatformChunk(CompilationInfo* info, HGraph* graph)
2743       : LChunk(info, graph) { }
2744
2745   int GetNextSpillIndex(RegisterKind kind);
2746   LOperand* GetNextSpillSlot(RegisterKind kind);
2747 };
2748
2749
2750 class LChunkBuilder final : public LChunkBuilderBase {
2751  public:
2752   LChunkBuilder(CompilationInfo* info, HGraph* graph, LAllocator* allocator)
2753       : LChunkBuilderBase(info, graph),
2754         current_instruction_(NULL),
2755         current_block_(NULL),
2756         next_block_(NULL),
2757         allocator_(allocator) {}
2758
2759   // Build the sequence for the graph.
2760   LPlatformChunk* Build();
2761
2762   // Declare methods that deal with the individual node types.
2763 #define DECLARE_DO(type) LInstruction* Do##type(H##type* node);
2764   HYDROGEN_CONCRETE_INSTRUCTION_LIST(DECLARE_DO)
2765 #undef DECLARE_DO
2766
2767   LInstruction* DoMultiplyAdd(HMul* mul, HValue* addend);
2768   LInstruction* DoMultiplySub(HValue* minuend, HMul* mul);
2769   LInstruction* DoRSub(HSub* instr);
2770
2771   static bool HasMagicNumberForDivisor(int32_t divisor);
2772
2773   LInstruction* DoMathFloor(HUnaryMathOperation* instr);
2774   LInstruction* DoMathRound(HUnaryMathOperation* instr);
2775   LInstruction* DoMathFround(HUnaryMathOperation* instr);
2776   LInstruction* DoMathAbs(HUnaryMathOperation* instr);
2777   LInstruction* DoMathLog(HUnaryMathOperation* instr);
2778   LInstruction* DoMathExp(HUnaryMathOperation* instr);
2779   LInstruction* DoMathSqrt(HUnaryMathOperation* instr);
2780   LInstruction* DoMathPowHalf(HUnaryMathOperation* instr);
2781   LInstruction* DoMathClz32(HUnaryMathOperation* instr);
2782   LInstruction* DoDivByPowerOf2I(HDiv* instr);
2783   LInstruction* DoDivByConstI(HDiv* instr);
2784   LInstruction* DoDivI(HDiv* instr);
2785   LInstruction* DoModByPowerOf2I(HMod* instr);
2786   LInstruction* DoModByConstI(HMod* instr);
2787   LInstruction* DoModI(HMod* instr);
2788   LInstruction* DoFlooringDivByPowerOf2I(HMathFloorOfDiv* instr);
2789   LInstruction* DoFlooringDivByConstI(HMathFloorOfDiv* instr);
2790   LInstruction* DoFlooringDivI(HMathFloorOfDiv* instr);
2791
2792  private:
2793   // Methods for getting operands for Use / Define / Temp.
2794   LUnallocated* ToUnallocated(Register reg);
2795   LUnallocated* ToUnallocated(DoubleRegister reg);
2796
2797   // Methods for setting up define-use relationships.
2798   MUST_USE_RESULT LOperand* Use(HValue* value, LUnallocated* operand);
2799   MUST_USE_RESULT LOperand* UseFixed(HValue* value, Register fixed_register);
2800   MUST_USE_RESULT LOperand* UseFixedDouble(HValue* value,
2801                                            DoubleRegister fixed_register);
2802
2803   // A value that is guaranteed to be allocated to a register.
2804   // Operand created by UseRegister is guaranteed to be live until the end of
2805   // instruction. This means that register allocator will not reuse it's
2806   // register for any other operand inside instruction.
2807   // Operand created by UseRegisterAtStart is guaranteed to be live only at
2808   // instruction start. Register allocator is free to assign the same register
2809   // to some other operand used inside instruction (i.e. temporary or
2810   // output).
2811   MUST_USE_RESULT LOperand* UseRegister(HValue* value);
2812   MUST_USE_RESULT LOperand* UseRegisterAtStart(HValue* value);
2813
2814   // An input operand in a register that may be trashed.
2815   MUST_USE_RESULT LOperand* UseTempRegister(HValue* value);
2816
2817   // An input operand in a register or stack slot.
2818   MUST_USE_RESULT LOperand* Use(HValue* value);
2819   MUST_USE_RESULT LOperand* UseAtStart(HValue* value);
2820
2821   // An input operand in a register, stack slot or a constant operand.
2822   MUST_USE_RESULT LOperand* UseOrConstant(HValue* value);
2823   MUST_USE_RESULT LOperand* UseOrConstantAtStart(HValue* value);
2824
2825   // An input operand in a register or a constant operand.
2826   MUST_USE_RESULT LOperand* UseRegisterOrConstant(HValue* value);
2827   MUST_USE_RESULT LOperand* UseRegisterOrConstantAtStart(HValue* value);
2828
2829   // An input operand in a constant operand.
2830   MUST_USE_RESULT LOperand* UseConstant(HValue* value);
2831
2832   // An input operand in register, stack slot or a constant operand.
2833   // Will not be moved to a register even if one is freely available.
2834   MUST_USE_RESULT LOperand* UseAny(HValue* value) override;
2835
2836   // Temporary operand that must be in a register.
2837   MUST_USE_RESULT LUnallocated* TempRegister();
2838   MUST_USE_RESULT LUnallocated* TempDoubleRegister();
2839   MUST_USE_RESULT LOperand* FixedTemp(Register reg);
2840   MUST_USE_RESULT LOperand* FixedTemp(DoubleRegister reg);
2841
2842   // Methods for setting up define-use relationships.
2843   // Return the same instruction that they are passed.
2844   LInstruction* Define(LTemplateResultInstruction<1>* instr,
2845                        LUnallocated* result);
2846   LInstruction* DefineAsRegister(LTemplateResultInstruction<1>* instr);
2847   LInstruction* DefineAsSpilled(LTemplateResultInstruction<1>* instr,
2848                                 int index);
2849   LInstruction* DefineSameAsFirst(LTemplateResultInstruction<1>* instr);
2850   LInstruction* DefineFixed(LTemplateResultInstruction<1>* instr,
2851                             Register reg);
2852   LInstruction* DefineFixedDouble(LTemplateResultInstruction<1>* instr,
2853                                   DoubleRegister reg);
2854   LInstruction* AssignEnvironment(LInstruction* instr);
2855   LInstruction* AssignPointerMap(LInstruction* instr);
2856
2857   enum CanDeoptimize { CAN_DEOPTIMIZE_EAGERLY, CANNOT_DEOPTIMIZE_EAGERLY };
2858
2859   // By default we assume that instruction sequences generated for calls
2860   // cannot deoptimize eagerly and we do not attach environment to this
2861   // instruction.
2862   LInstruction* MarkAsCall(
2863       LInstruction* instr,
2864       HInstruction* hinstr,
2865       CanDeoptimize can_deoptimize = CANNOT_DEOPTIMIZE_EAGERLY);
2866
2867   void VisitInstruction(HInstruction* current);
2868   void AddInstruction(LInstruction* instr, HInstruction* current);
2869
2870   void DoBasicBlock(HBasicBlock* block, HBasicBlock* next_block);
2871   LInstruction* DoShift(Token::Value op, HBitwiseBinaryOperation* instr);
2872   LInstruction* DoArithmeticD(Token::Value op,
2873                               HArithmeticBinaryOperation* instr);
2874   LInstruction* DoArithmeticT(Token::Value op,
2875                               HBinaryOperation* instr);
2876
2877   HInstruction* current_instruction_;
2878   HBasicBlock* current_block_;
2879   HBasicBlock* next_block_;
2880   LAllocator* allocator_;
2881
2882   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
2883 };
2884
2885 #undef DECLARE_HYDROGEN_ACCESSOR
2886 #undef DECLARE_CONCRETE_INSTRUCTION
2887
2888 } }  // namespace v8::internal
2889
2890 #endif  // V8_ARM_LITHIUM_ARM_H_