lithium-mips.h revision c7cc028aaeedbbfa11c11d0b7b243b3d9e837ed9 
1// Copyright 2012 the V8 project authors. All rights reserved.
2// Redistribution and use in source and binary forms, with or without
3// modification, are permitted provided that the following conditions are
4// met:
5//
6//     * Redistributions of source code must retain the above copyright
7//       notice, this list of conditions and the following disclaimer.
8//     * Redistributions in binary form must reproduce the above
9//       copyright notice, this list of conditions and the following
10//       disclaimer in the documentation and/or other materials provided
11//       with the distribution.
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13//       contributors may be used to endorse or promote products derived
14//       from this software without specific prior written permission.
15//
16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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27
28#ifndef V8_MIPS_LITHIUM_MIPS_H_
29#define V8_MIPS_LITHIUM_MIPS_H_
30
31#include "hydrogen.h"
32#include "lithium-allocator.h"
33#include "lithium.h"
34#include "safepoint-table.h"
35#include "utils.h"
36
37namespace v8 {
38namespace internal {
39
40// Forward declarations.
41class LCodeGen;
42
43#define LITHIUM_ALL_INSTRUCTION_LIST(V)         \
44  V(ControlInstruction)                         \
45  V(Call)                                       \
46  LITHIUM_CONCRETE_INSTRUCTION_LIST(V)
47
48
49#define LITHIUM_CONCRETE_INSTRUCTION_LIST(V)    \
50  V(AccessArgumentsAt)                          \
51  V(AddI)                                       \
52  V(ApplyArguments)                             \
53  V(ArgumentsElements)                          \
54  V(ArgumentsLength)                            \
55  V(ArithmeticD)                                \
56  V(ArithmeticT)                                \
57  V(ArrayLiteral)                               \
58  V(BitI)                                       \
59  V(BitNotI)                                    \
60  V(BoundsCheck)                                \
61  V(Branch)                                     \
62  V(CallConstantFunction)                       \
63  V(CallFunction)                               \
64  V(CallGlobal)                                 \
65  V(CallKeyed)                                  \
66  V(CallKnownGlobal)                            \
67  V(CallNamed)                                  \
68  V(CallNew)                                    \
69  V(CallRuntime)                                \
70  V(CallStub)                                   \
71  V(CheckFunction)                              \
72  V(CheckInstanceType)                          \
73  V(CheckMap)                                   \
74  V(CheckNonSmi)                                \
75  V(CheckPrototypeMaps)                         \
76  V(CheckSmi)                                   \
77  V(ClampDToUint8)                              \
78  V(ClampIToUint8)                              \
79  V(ClampTToUint8)                              \
80  V(ClassOfTestAndBranch)                       \
81  V(CmpConstantEqAndBranch)                     \
82  V(CmpIDAndBranch)                             \
83  V(CmpObjectEqAndBranch)                       \
84  V(CmpMapAndBranch)                            \
85  V(CmpT)                                       \
86  V(ConstantD)                                  \
87  V(ConstantI)                                  \
88  V(ConstantT)                                  \
89  V(Context)                                    \
90  V(DeleteProperty)                             \
91  V(Deoptimize)                                 \
92  V(DivI)                                       \
93  V(DoubleToI)                                  \
94  V(ElementsKind)                               \
95  V(FixedArrayBaseLength)                       \
96  V(FunctionLiteral)                            \
97  V(GetCachedArrayIndex)                        \
98  V(GlobalObject)                               \
99  V(GlobalReceiver)                             \
100  V(Goto)                                       \
101  V(HasCachedArrayIndexAndBranch)               \
102  V(HasInstanceTypeAndBranch)                   \
103  V(In)                                         \
104  V(InstanceOf)                                 \
105  V(InstanceOfKnownGlobal)                      \
106  V(InstructionGap)                             \
107  V(Integer32ToDouble)                          \
108  V(InvokeFunction)                             \
109  V(IsConstructCallAndBranch)                   \
110  V(IsNilAndBranch)                             \
111  V(IsObjectAndBranch)                          \
112  V(IsStringAndBranch)                          \
113  V(IsSmiAndBranch)                             \
114  V(IsUndetectableAndBranch)                    \
115  V(StringCompareAndBranch)                     \
116  V(JSArrayLength)                              \
117  V(Label)                                      \
118  V(LazyBailout)                                \
119  V(LoadContextSlot)                            \
120  V(LoadElements)                               \
121  V(LoadExternalArrayPointer)                   \
122  V(LoadFunctionPrototype)                      \
123  V(LoadGlobalCell)                             \
124  V(LoadGlobalGeneric)                          \
125  V(LoadKeyedFastDoubleElement)                 \
126  V(LoadKeyedFastElement)                       \
127  V(LoadKeyedGeneric)                           \
128  V(LoadKeyedSpecializedArrayElement)           \
129  V(LoadNamedField)                             \
130  V(LoadNamedFieldPolymorphic)                  \
131  V(LoadNamedGeneric)                           \
132  V(ModI)                                       \
133  V(MulI)                                       \
134  V(NumberTagD)                                 \
135  V(NumberTagI)                                 \
136  V(NumberUntagD)                               \
137  V(ObjectLiteralFast)                          \
138  V(ObjectLiteralGeneric)                       \
139  V(OsrEntry)                                   \
140  V(OuterContext)                               \
141  V(Parameter)                                  \
142  V(Power)                                      \
143  V(PushArgument)                               \
144  V(Random)                                     \
145  V(RegExpLiteral)                              \
146  V(Return)                                     \
147  V(ShiftI)                                     \
148  V(SmiTag)                                     \
149  V(SmiUntag)                                   \
150  V(StackCheck)                                 \
151  V(StoreContextSlot)                           \
152  V(StoreGlobalCell)                            \
153  V(StoreGlobalGeneric)                         \
154  V(StoreKeyedFastDoubleElement)                \
155  V(StoreKeyedFastElement)                      \
156  V(StoreKeyedGeneric)                          \
157  V(StoreKeyedSpecializedArrayElement)          \
158  V(StoreNamedField)                            \
159  V(StoreNamedGeneric)                          \
160  V(StringAdd)                                  \
161  V(StringCharCodeAt)                           \
162  V(StringCharFromCode)                         \
163  V(StringLength)                               \
164  V(SubI)                                       \
165  V(TaggedToI)                                  \
166  V(ThisFunction)                               \
167  V(Throw)                                      \
168  V(ToFastProperties)                           \
169  V(TransitionElementsKind)                     \
170  V(Typeof)                                     \
171  V(TypeofIsAndBranch)                          \
172  V(UnaryMathOperation)                         \
173  V(UnknownOSRValue)                            \
174  V(ValueOf)
175
176
177#define DECLARE_CONCRETE_INSTRUCTION(type, mnemonic)              \
178  virtual Opcode opcode() const { return LInstruction::k##type; } \
179  virtual void CompileToNative(LCodeGen* generator);              \
180  virtual const char* Mnemonic() const { return mnemonic; }       \
181  static L##type* cast(LInstruction* instr) {                     \
182    ASSERT(instr->Is##type());                                    \
183    return reinterpret_cast<L##type*>(instr);                     \
184  }
185
186
187#define DECLARE_HYDROGEN_ACCESSOR(type)     \
188  H##type* hydrogen() const {               \
189    return H##type::cast(hydrogen_value()); \
190  }
191
192
193class LInstruction: public ZoneObject {
194 public:
195  LInstruction()
196      :  environment_(NULL),
197         hydrogen_value_(NULL),
198         is_call_(false),
199         is_save_doubles_(false) { }
200  virtual ~LInstruction() { }
201
202  virtual void CompileToNative(LCodeGen* generator) = 0;
203  virtual const char* Mnemonic() const = 0;
204  virtual void PrintTo(StringStream* stream);
205  virtual void PrintDataTo(StringStream* stream) = 0;
206  virtual void PrintOutputOperandTo(StringStream* stream) = 0;
207
208  enum Opcode {
209    // Declare a unique enum value for each instruction.
210#define DECLARE_OPCODE(type) k##type,
211    LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_OPCODE)
212    kNumberOfInstructions
213#undef DECLARE_OPCODE
214  };
215
216  virtual Opcode opcode() const = 0;
217
218  // Declare non-virtual type testers for all leaf IR classes.
219#define DECLARE_PREDICATE(type) \
220  bool Is##type() const { return opcode() == k##type; }
221  LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_PREDICATE)
222#undef DECLARE_PREDICATE
223
224  // Declare virtual predicates for instructions that don't have
225  // an opcode.
226  virtual bool IsGap() const { return false; }
227
228  virtual bool IsControl() const { return false; }
229
230  void set_environment(LEnvironment* env) { environment_ = env; }
231  LEnvironment* environment() const { return environment_; }
232  bool HasEnvironment() const { return environment_ != NULL; }
233
234  void set_pointer_map(LPointerMap* p) { pointer_map_.set(p); }
235  LPointerMap* pointer_map() const { return pointer_map_.get(); }
236  bool HasPointerMap() const { return pointer_map_.is_set(); }
237
238  void set_hydrogen_value(HValue* value) { hydrogen_value_ = value; }
239  HValue* hydrogen_value() const { return hydrogen_value_; }
240
241  void set_deoptimization_environment(LEnvironment* env) {
242    deoptimization_environment_.set(env);
243  }
244  LEnvironment* deoptimization_environment() const {
245    return deoptimization_environment_.get();
246  }
247  bool HasDeoptimizationEnvironment() const {
248    return deoptimization_environment_.is_set();
249  }
250
251  void MarkAsCall() { is_call_ = true; }
252  void MarkAsSaveDoubles() { is_save_doubles_ = true; }
253
254  // Interface to the register allocator and iterators.
255  bool IsMarkedAsCall() const { return is_call_; }
256  bool IsMarkedAsSaveDoubles() const { return is_save_doubles_; }
257
258  virtual bool HasResult() const = 0;
259  virtual LOperand* result() = 0;
260
261  virtual int InputCount() = 0;
262  virtual LOperand* InputAt(int i) = 0;
263  virtual int TempCount() = 0;
264  virtual LOperand* TempAt(int i) = 0;
265
266  LOperand* FirstInput() { return InputAt(0); }
267  LOperand* Output() { return HasResult() ? result() : NULL; }
268
269#ifdef DEBUG
270  void VerifyCall();
271#endif
272
273 private:
274  LEnvironment* environment_;
275  SetOncePointer<LPointerMap> pointer_map_;
276  HValue* hydrogen_value_;
277  SetOncePointer<LEnvironment> deoptimization_environment_;
278  bool is_call_;
279  bool is_save_doubles_;
280};
281
282
283// R = number of result operands (0 or 1).
284// I = number of input operands.
285// T = number of temporary operands.
286template<int R, int I, int T>
287class LTemplateInstruction: public LInstruction {
288 public:
289  // Allow 0 or 1 output operands.
290  STATIC_ASSERT(R == 0 || R == 1);
291  virtual bool HasResult() const { return R != 0; }
292  void set_result(LOperand* operand) { results_[0] = operand; }
293  LOperand* result() { return results_[0]; }
294
295  int InputCount() { return I; }
296  LOperand* InputAt(int i) { return inputs_[i]; }
297
298  int TempCount() { return T; }
299  LOperand* TempAt(int i) { return temps_[i]; }
300
301  virtual void PrintDataTo(StringStream* stream);
302  virtual void PrintOutputOperandTo(StringStream* stream);
303
304 protected:
305  EmbeddedContainer<LOperand*, R> results_;
306  EmbeddedContainer<LOperand*, I> inputs_;
307  EmbeddedContainer<LOperand*, T> temps_;
308};
309
310
311class LGap: public LTemplateInstruction<0, 0, 0> {
312 public:
313  explicit LGap(HBasicBlock* block)
314      : block_(block) {
315    parallel_moves_[BEFORE] = NULL;
316    parallel_moves_[START] = NULL;
317    parallel_moves_[END] = NULL;
318    parallel_moves_[AFTER] = NULL;
319  }
320
321  // Can't use the DECLARE-macro here because of sub-classes.
322  virtual bool IsGap() const { return true; }
323  virtual void PrintDataTo(StringStream* stream);
324  static LGap* cast(LInstruction* instr) {
325    ASSERT(instr->IsGap());
326    return reinterpret_cast<LGap*>(instr);
327  }
328
329  bool IsRedundant() const;
330
331  HBasicBlock* block() const { return block_; }
332
333  enum InnerPosition {
334    BEFORE,
335    START,
336    END,
337    AFTER,
338    FIRST_INNER_POSITION = BEFORE,
339    LAST_INNER_POSITION = AFTER
340  };
341
342  LParallelMove* GetOrCreateParallelMove(InnerPosition pos)  {
343    if (parallel_moves_[pos] == NULL) parallel_moves_[pos] = new LParallelMove;
344    return parallel_moves_[pos];
345  }
346
347  LParallelMove* GetParallelMove(InnerPosition pos)  {
348    return parallel_moves_[pos];
349  }
350
351 private:
352  LParallelMove* parallel_moves_[LAST_INNER_POSITION + 1];
353  HBasicBlock* block_;
354};
355
356
357class LInstructionGap: public LGap {
358 public:
359  explicit LInstructionGap(HBasicBlock* block) : LGap(block) { }
360
361  DECLARE_CONCRETE_INSTRUCTION(InstructionGap, "gap")
362};
363
364
365class LGoto: public LTemplateInstruction<0, 0, 0> {
366 public:
367  explicit LGoto(int block_id) : block_id_(block_id) { }
368
369  DECLARE_CONCRETE_INSTRUCTION(Goto, "goto")
370  virtual void PrintDataTo(StringStream* stream);
371  virtual bool IsControl() const { return true; }
372
373  int block_id() const { return block_id_; }
374
375 private:
376  int block_id_;
377};
378
379
380class LLazyBailout: public LTemplateInstruction<0, 0, 0> {
381 public:
382  LLazyBailout() : gap_instructions_size_(0) { }
383
384  DECLARE_CONCRETE_INSTRUCTION(LazyBailout, "lazy-bailout")
385
386  void set_gap_instructions_size(int gap_instructions_size) {
387    gap_instructions_size_ = gap_instructions_size;
388  }
389  int gap_instructions_size() { return gap_instructions_size_; }
390
391 private:
392  int gap_instructions_size_;
393};
394
395
396class LDeoptimize: public LTemplateInstruction<0, 0, 0> {
397 public:
398  DECLARE_CONCRETE_INSTRUCTION(Deoptimize, "deoptimize")
399};
400
401
402class LLabel: public LGap {
403 public:
404  explicit LLabel(HBasicBlock* block)
405      : LGap(block), replacement_(NULL) { }
406
407  DECLARE_CONCRETE_INSTRUCTION(Label, "label")
408
409  virtual void PrintDataTo(StringStream* stream);
410
411  int block_id() const { return block()->block_id(); }
412  bool is_loop_header() const { return block()->IsLoopHeader(); }
413  Label* label() { return &label_; }
414  LLabel* replacement() const { return replacement_; }
415  void set_replacement(LLabel* label) { replacement_ = label; }
416  bool HasReplacement() const { return replacement_ != NULL; }
417
418 private:
419  Label label_;
420  LLabel* replacement_;
421};
422
423
424class LParameter: public LTemplateInstruction<1, 0, 0> {
425 public:
426  DECLARE_CONCRETE_INSTRUCTION(Parameter, "parameter")
427};
428
429
430class LCallStub: public LTemplateInstruction<1, 0, 0> {
431 public:
432  DECLARE_CONCRETE_INSTRUCTION(CallStub, "call-stub")
433  DECLARE_HYDROGEN_ACCESSOR(CallStub)
434
435  TranscendentalCache::Type transcendental_type() {
436    return hydrogen()->transcendental_type();
437  }
438};
439
440
441class LUnknownOSRValue: public LTemplateInstruction<1, 0, 0> {
442 public:
443  DECLARE_CONCRETE_INSTRUCTION(UnknownOSRValue, "unknown-osr-value")
444};
445
446
447template<int I, int T>
448class LControlInstruction: public LTemplateInstruction<0, I, T> {
449 public:
450  virtual bool IsControl() const { return true; }
451
452  int SuccessorCount() { return hydrogen()->SuccessorCount(); }
453  HBasicBlock* SuccessorAt(int i) { return hydrogen()->SuccessorAt(i); }
454  int true_block_id() { return hydrogen()->SuccessorAt(0)->block_id(); }
455  int false_block_id() { return hydrogen()->SuccessorAt(1)->block_id(); }
456
457 private:
458  HControlInstruction* hydrogen() {
459    return HControlInstruction::cast(this->hydrogen_value());
460  }
461};
462
463
464class LApplyArguments: public LTemplateInstruction<1, 4, 0> {
465 public:
466  LApplyArguments(LOperand* function,
467                  LOperand* receiver,
468                  LOperand* length,
469                  LOperand* elements) {
470    inputs_[0] = function;
471    inputs_[1] = receiver;
472    inputs_[2] = length;
473    inputs_[3] = elements;
474  }
475
476  DECLARE_CONCRETE_INSTRUCTION(ApplyArguments, "apply-arguments")
477
478  LOperand* function() { return inputs_[0]; }
479  LOperand* receiver() { return inputs_[1]; }
480  LOperand* length() { return inputs_[2]; }
481  LOperand* elements() { return inputs_[3]; }
482};
483
484
485class LAccessArgumentsAt: public LTemplateInstruction<1, 3, 0> {
486 public:
487  LAccessArgumentsAt(LOperand* arguments, LOperand* length, LOperand* index) {
488    inputs_[0] = arguments;
489    inputs_[1] = length;
490    inputs_[2] = index;
491  }
492
493  DECLARE_CONCRETE_INSTRUCTION(AccessArgumentsAt, "access-arguments-at")
494
495  LOperand* arguments() { return inputs_[0]; }
496  LOperand* length() { return inputs_[1]; }
497  LOperand* index() { return inputs_[2]; }
498
499  virtual void PrintDataTo(StringStream* stream);
500};
501
502
503class LArgumentsLength: public LTemplateInstruction<1, 1, 0> {
504 public:
505  explicit LArgumentsLength(LOperand* elements) {
506    inputs_[0] = elements;
507  }
508
509  DECLARE_CONCRETE_INSTRUCTION(ArgumentsLength, "arguments-length")
510};
511
512
513class LArgumentsElements: public LTemplateInstruction<1, 0, 0> {
514 public:
515  LArgumentsElements() { }
516
517  DECLARE_CONCRETE_INSTRUCTION(ArgumentsElements, "arguments-elements")
518};
519
520
521class LModI: public LTemplateInstruction<1, 2, 3> {
522 public:
523  // Used when the right hand is a constant power of 2.
524  LModI(LOperand* left,
525        LOperand* right) {
526    inputs_[0] = left;
527    inputs_[1] = right;
528    temps_[0] = NULL;
529    temps_[1] = NULL;
530    temps_[2] = NULL;
531  }
532
533  // Used for the standard case.
534  LModI(LOperand* left,
535        LOperand* right,
536        LOperand* temp1,
537        LOperand* temp2,
538        LOperand* temp3) {
539    inputs_[0] = left;
540    inputs_[1] = right;
541    temps_[0] = temp1;
542    temps_[1] = temp2;
543    temps_[2] = temp3;
544  }
545
546  DECLARE_CONCRETE_INSTRUCTION(ModI, "mod-i")
547  DECLARE_HYDROGEN_ACCESSOR(Mod)
548};
549
550
551class LDivI: public LTemplateInstruction<1, 2, 0> {
552 public:
553  LDivI(LOperand* left, LOperand* right) {
554    inputs_[0] = left;
555    inputs_[1] = right;
556  }
557
558  DECLARE_CONCRETE_INSTRUCTION(DivI, "div-i")
559  DECLARE_HYDROGEN_ACCESSOR(Div)
560};
561
562
563class LMulI: public LTemplateInstruction<1, 2, 1> {
564 public:
565  LMulI(LOperand* left, LOperand* right, LOperand* temp) {
566    inputs_[0] = left;
567    inputs_[1] = right;
568    temps_[0] = temp;
569  }
570
571  DECLARE_CONCRETE_INSTRUCTION(MulI, "mul-i")
572  DECLARE_HYDROGEN_ACCESSOR(Mul)
573};
574
575
576class LCmpIDAndBranch: public LControlInstruction<2, 0> {
577 public:
578  LCmpIDAndBranch(LOperand* left, LOperand* right) {
579    inputs_[0] = left;
580    inputs_[1] = right;
581  }
582
583  DECLARE_CONCRETE_INSTRUCTION(CmpIDAndBranch, "cmp-id-and-branch")
584  DECLARE_HYDROGEN_ACCESSOR(CompareIDAndBranch)
585
586  Token::Value op() const { return hydrogen()->token(); }
587  bool is_double() const {
588    return hydrogen()->GetInputRepresentation().IsDouble();
589  }
590
591  virtual void PrintDataTo(StringStream* stream);
592};
593
594
595class LUnaryMathOperation: public LTemplateInstruction<1, 1, 1> {
596 public:
597  LUnaryMathOperation(LOperand* value, LOperand* temp) {
598    inputs_[0] = value;
599    temps_[0] = temp;
600  }
601
602  DECLARE_CONCRETE_INSTRUCTION(UnaryMathOperation, "unary-math-operation")
603  DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation)
604
605  virtual void PrintDataTo(StringStream* stream);
606  BuiltinFunctionId op() const { return hydrogen()->op(); }
607};
608
609
610class LCmpObjectEqAndBranch: public LControlInstruction<2, 0> {
611 public:
612  LCmpObjectEqAndBranch(LOperand* left, LOperand* right) {
613    inputs_[0] = left;
614    inputs_[1] = right;
615  }
616
617  DECLARE_CONCRETE_INSTRUCTION(CmpObjectEqAndBranch,
618                               "cmp-object-eq-and-branch")
619  DECLARE_HYDROGEN_ACCESSOR(CompareObjectEqAndBranch)
620};
621
622
623class LCmpConstantEqAndBranch: public LControlInstruction<1, 0> {
624 public:
625  explicit LCmpConstantEqAndBranch(LOperand* left) {
626    inputs_[0] = left;
627  }
628
629  DECLARE_CONCRETE_INSTRUCTION(CmpConstantEqAndBranch,
630                               "cmp-constant-eq-and-branch")
631  DECLARE_HYDROGEN_ACCESSOR(CompareConstantEqAndBranch)
632};
633
634
635class LIsNilAndBranch: public LControlInstruction<1, 0> {
636 public:
637  explicit LIsNilAndBranch(LOperand* value) {
638    inputs_[0] = value;
639  }
640
641  DECLARE_CONCRETE_INSTRUCTION(IsNilAndBranch, "is-nil-and-branch")
642  DECLARE_HYDROGEN_ACCESSOR(IsNilAndBranch)
643
644  EqualityKind kind() const { return hydrogen()->kind(); }
645  NilValue nil() const { return hydrogen()->nil(); }
646
647  virtual void PrintDataTo(StringStream* stream);
648};
649
650
651class LIsObjectAndBranch: public LControlInstruction<1, 1> {
652 public:
653  LIsObjectAndBranch(LOperand* value, LOperand* temp) {
654    inputs_[0] = value;
655    temps_[0] = temp;
656  }
657
658  DECLARE_CONCRETE_INSTRUCTION(IsObjectAndBranch, "is-object-and-branch")
659  DECLARE_HYDROGEN_ACCESSOR(IsObjectAndBranch)
660
661  virtual void PrintDataTo(StringStream* stream);
662};
663
664
665class LIsStringAndBranch: public LControlInstruction<1, 1> {
666 public:
667  LIsStringAndBranch(LOperand* value, LOperand* temp) {
668    inputs_[0] = value;
669    temps_[0] = temp;
670  }
671
672  DECLARE_CONCRETE_INSTRUCTION(IsStringAndBranch, "is-string-and-branch")
673  DECLARE_HYDROGEN_ACCESSOR(IsStringAndBranch)
674
675  virtual void PrintDataTo(StringStream* stream);
676};
677
678
679class LIsSmiAndBranch: public LControlInstruction<1, 0> {
680 public:
681  explicit LIsSmiAndBranch(LOperand* value) {
682    inputs_[0] = value;
683  }
684
685  DECLARE_CONCRETE_INSTRUCTION(IsSmiAndBranch, "is-smi-and-branch")
686  DECLARE_HYDROGEN_ACCESSOR(IsSmiAndBranch)
687
688  virtual void PrintDataTo(StringStream* stream);
689};
690
691
692class LIsUndetectableAndBranch: public LControlInstruction<1, 1> {
693 public:
694  explicit LIsUndetectableAndBranch(LOperand* value, LOperand* temp) {
695    inputs_[0] = value;
696    temps_[0] = temp;
697  }
698
699  DECLARE_CONCRETE_INSTRUCTION(IsUndetectableAndBranch,
700                               "is-undetectable-and-branch")
701  DECLARE_HYDROGEN_ACCESSOR(IsUndetectableAndBranch)
702
703  virtual void PrintDataTo(StringStream* stream);
704};
705
706
707class LStringCompareAndBranch: public LControlInstruction<2, 0> {
708 public:
709  LStringCompareAndBranch(LOperand* left, LOperand* right) {
710    inputs_[0] = left;
711    inputs_[1] = right;
712  }
713
714  DECLARE_CONCRETE_INSTRUCTION(StringCompareAndBranch,
715                               "string-compare-and-branch")
716  DECLARE_HYDROGEN_ACCESSOR(StringCompareAndBranch)
717
718  Token::Value op() const { return hydrogen()->token(); }
719
720  virtual void PrintDataTo(StringStream* stream);
721};
722
723
724class LHasInstanceTypeAndBranch: public LControlInstruction<1, 0> {
725 public:
726  explicit LHasInstanceTypeAndBranch(LOperand* value) {
727    inputs_[0] = value;
728  }
729
730  DECLARE_CONCRETE_INSTRUCTION(HasInstanceTypeAndBranch,
731                               "has-instance-type-and-branch")
732  DECLARE_HYDROGEN_ACCESSOR(HasInstanceTypeAndBranch)
733
734  virtual void PrintDataTo(StringStream* stream);
735};
736
737
738class LGetCachedArrayIndex: public LTemplateInstruction<1, 1, 0> {
739 public:
740  explicit LGetCachedArrayIndex(LOperand* value) {
741    inputs_[0] = value;
742  }
743
744  DECLARE_CONCRETE_INSTRUCTION(GetCachedArrayIndex, "get-cached-array-index")
745  DECLARE_HYDROGEN_ACCESSOR(GetCachedArrayIndex)
746};
747
748
749class LHasCachedArrayIndexAndBranch: public LControlInstruction<1, 0> {
750 public:
751  explicit LHasCachedArrayIndexAndBranch(LOperand* value) {
752    inputs_[0] = value;
753  }
754
755  DECLARE_CONCRETE_INSTRUCTION(HasCachedArrayIndexAndBranch,
756                               "has-cached-array-index-and-branch")
757  DECLARE_HYDROGEN_ACCESSOR(HasCachedArrayIndexAndBranch)
758
759  virtual void PrintDataTo(StringStream* stream);
760};
761
762
763class LClassOfTestAndBranch: public LControlInstruction<1, 1> {
764 public:
765  LClassOfTestAndBranch(LOperand* value, LOperand* temp) {
766    inputs_[0] = value;
767    temps_[0] = temp;
768  }
769
770  DECLARE_CONCRETE_INSTRUCTION(ClassOfTestAndBranch,
771                               "class-of-test-and-branch")
772  DECLARE_HYDROGEN_ACCESSOR(ClassOfTestAndBranch)
773
774  virtual void PrintDataTo(StringStream* stream);
775};
776
777
778class LCmpT: public LTemplateInstruction<1, 2, 0> {
779 public:
780  LCmpT(LOperand* left, LOperand* right) {
781    inputs_[0] = left;
782    inputs_[1] = right;
783  }
784
785  DECLARE_CONCRETE_INSTRUCTION(CmpT, "cmp-t")
786  DECLARE_HYDROGEN_ACCESSOR(CompareGeneric)
787
788  Token::Value op() const { return hydrogen()->token(); }
789};
790
791
792class LInstanceOf: public LTemplateInstruction<1, 2, 0> {
793 public:
794  LInstanceOf(LOperand* left, LOperand* right) {
795    inputs_[0] = left;
796    inputs_[1] = right;
797  }
798
799  DECLARE_CONCRETE_INSTRUCTION(InstanceOf, "instance-of")
800};
801
802
803class LInstanceOfKnownGlobal: public LTemplateInstruction<1, 1, 1> {
804 public:
805  LInstanceOfKnownGlobal(LOperand* value, LOperand* temp) {
806    inputs_[0] = value;
807    temps_[0] = temp;
808  }
809
810  DECLARE_CONCRETE_INSTRUCTION(InstanceOfKnownGlobal,
811                               "instance-of-known-global")
812  DECLARE_HYDROGEN_ACCESSOR(InstanceOfKnownGlobal)
813
814  Handle<JSFunction> function() const { return hydrogen()->function(); }
815};
816
817
818class LBoundsCheck: public LTemplateInstruction<0, 2, 0> {
819 public:
820  LBoundsCheck(LOperand* index, LOperand* length) {
821    inputs_[0] = index;
822    inputs_[1] = length;
823  }
824
825  LOperand* index() { return inputs_[0]; }
826  LOperand* length() { return inputs_[1]; }
827
828  DECLARE_CONCRETE_INSTRUCTION(BoundsCheck, "bounds-check")
829};
830
831
832class LBitI: public LTemplateInstruction<1, 2, 0> {
833 public:
834  LBitI(LOperand* left, LOperand* right) {
835    inputs_[0] = left;
836    inputs_[1] = right;
837  }
838
839  Token::Value op() const { return hydrogen()->op(); }
840
841  DECLARE_CONCRETE_INSTRUCTION(BitI, "bit-i")
842  DECLARE_HYDROGEN_ACCESSOR(Bitwise)
843};
844
845
846class LShiftI: public LTemplateInstruction<1, 2, 0> {
847 public:
848  LShiftI(Token::Value op, LOperand* left, LOperand* right, bool can_deopt)
849      : op_(op), can_deopt_(can_deopt) {
850    inputs_[0] = left;
851    inputs_[1] = right;
852  }
853
854  Token::Value op() const { return op_; }
855
856  bool can_deopt() const { return can_deopt_; }
857
858  DECLARE_CONCRETE_INSTRUCTION(ShiftI, "shift-i")
859
860 private:
861  Token::Value op_;
862  bool can_deopt_;
863};
864
865
866class LSubI: public LTemplateInstruction<1, 2, 0> {
867 public:
868  LSubI(LOperand* left, LOperand* right) {
869    inputs_[0] = left;
870    inputs_[1] = right;
871  }
872
873  DECLARE_CONCRETE_INSTRUCTION(SubI, "sub-i")
874  DECLARE_HYDROGEN_ACCESSOR(Sub)
875};
876
877
878class LConstantI: public LTemplateInstruction<1, 0, 0> {
879 public:
880  DECLARE_CONCRETE_INSTRUCTION(ConstantI, "constant-i")
881  DECLARE_HYDROGEN_ACCESSOR(Constant)
882
883  int32_t value() const { return hydrogen()->Integer32Value(); }
884};
885
886
887class LConstantD: public LTemplateInstruction<1, 0, 0> {
888 public:
889  DECLARE_CONCRETE_INSTRUCTION(ConstantD, "constant-d")
890  DECLARE_HYDROGEN_ACCESSOR(Constant)
891
892  double value() const { return hydrogen()->DoubleValue(); }
893};
894
895
896class LConstantT: public LTemplateInstruction<1, 0, 0> {
897 public:
898  DECLARE_CONCRETE_INSTRUCTION(ConstantT, "constant-t")
899  DECLARE_HYDROGEN_ACCESSOR(Constant)
900
901  Handle<Object> value() const { return hydrogen()->handle(); }
902};
903
904
905class LBranch: public LControlInstruction<1, 0> {
906 public:
907  explicit LBranch(LOperand* value) {
908    inputs_[0] = value;
909  }
910
911  DECLARE_CONCRETE_INSTRUCTION(Branch, "branch")
912  DECLARE_HYDROGEN_ACCESSOR(Branch)
913
914  virtual void PrintDataTo(StringStream* stream);
915};
916
917
918class LCmpMapAndBranch: public LTemplateInstruction<0, 1, 1> {
919 public:
920  LCmpMapAndBranch(LOperand* value, LOperand* temp) {
921    inputs_[0] = value;
922    temps_[0] = temp;
923  }
924
925  DECLARE_CONCRETE_INSTRUCTION(CmpMapAndBranch, "cmp-map-and-branch")
926  DECLARE_HYDROGEN_ACCESSOR(CompareMap)
927
928  virtual bool IsControl() const { return true; }
929
930  Handle<Map> map() const { return hydrogen()->map(); }
931  int true_block_id() const {
932    return hydrogen()->FirstSuccessor()->block_id();
933  }
934  int false_block_id() const {
935    return hydrogen()->SecondSuccessor()->block_id();
936  }
937};
938
939
940class LJSArrayLength: public LTemplateInstruction<1, 1, 0> {
941 public:
942  explicit LJSArrayLength(LOperand* value) {
943    inputs_[0] = value;
944  }
945
946  DECLARE_CONCRETE_INSTRUCTION(JSArrayLength, "js-array-length")
947  DECLARE_HYDROGEN_ACCESSOR(JSArrayLength)
948};
949
950
951class LFixedArrayBaseLength: public LTemplateInstruction<1, 1, 0> {
952 public:
953  explicit LFixedArrayBaseLength(LOperand* value) {
954    inputs_[0] = value;
955  }
956
957  DECLARE_CONCRETE_INSTRUCTION(FixedArrayBaseLength,
958                               "fixed-array-base-length")
959  DECLARE_HYDROGEN_ACCESSOR(FixedArrayBaseLength)
960};
961
962
963class LElementsKind: public LTemplateInstruction<1, 1, 0> {
964 public:
965  explicit LElementsKind(LOperand* value) {
966    inputs_[0] = value;
967  }
968
969  DECLARE_CONCRETE_INSTRUCTION(ElementsKind, "elements-kind")
970  DECLARE_HYDROGEN_ACCESSOR(ElementsKind)
971};
972
973
974class LValueOf: public LTemplateInstruction<1, 1, 1> {
975 public:
976  LValueOf(LOperand* value, LOperand* temp) {
977    inputs_[0] = value;
978    temps_[0] = temp;
979  }
980
981  DECLARE_CONCRETE_INSTRUCTION(ValueOf, "value-of")
982  DECLARE_HYDROGEN_ACCESSOR(ValueOf)
983};
984
985
986class LThrow: public LTemplateInstruction<0, 1, 0> {
987 public:
988  explicit LThrow(LOperand* value) {
989    inputs_[0] = value;
990  }
991
992  DECLARE_CONCRETE_INSTRUCTION(Throw, "throw")
993};
994
995
996class LBitNotI: public LTemplateInstruction<1, 1, 0> {
997 public:
998  explicit LBitNotI(LOperand* value) {
999    inputs_[0] = value;
1000  }
1001
1002  DECLARE_CONCRETE_INSTRUCTION(BitNotI, "bit-not-i")
1003};
1004
1005
1006class LAddI: public LTemplateInstruction<1, 2, 0> {
1007 public:
1008  LAddI(LOperand* left, LOperand* right) {
1009    inputs_[0] = left;
1010    inputs_[1] = right;
1011  }
1012
1013  DECLARE_CONCRETE_INSTRUCTION(AddI, "add-i")
1014  DECLARE_HYDROGEN_ACCESSOR(Add)
1015};
1016
1017
1018class LPower: public LTemplateInstruction<1, 2, 0> {
1019 public:
1020  LPower(LOperand* left, LOperand* right) {
1021    inputs_[0] = left;
1022    inputs_[1] = right;
1023  }
1024
1025  DECLARE_CONCRETE_INSTRUCTION(Power, "power")
1026  DECLARE_HYDROGEN_ACCESSOR(Power)
1027};
1028
1029
1030class LRandom: public LTemplateInstruction<1, 1, 0> {
1031 public:
1032  explicit LRandom(LOperand* global_object) {
1033    inputs_[0] = global_object;
1034  }
1035
1036  DECLARE_CONCRETE_INSTRUCTION(Random, "random")
1037  DECLARE_HYDROGEN_ACCESSOR(Random)
1038};
1039
1040
1041class LArithmeticD: public LTemplateInstruction<1, 2, 0> {
1042 public:
1043  LArithmeticD(Token::Value op, LOperand* left, LOperand* right)
1044      : op_(op) {
1045    inputs_[0] = left;
1046    inputs_[1] = right;
1047  }
1048
1049  Token::Value op() const { return op_; }
1050
1051  virtual Opcode opcode() const { return LInstruction::kArithmeticD; }
1052  virtual void CompileToNative(LCodeGen* generator);
1053  virtual const char* Mnemonic() const;
1054
1055 private:
1056  Token::Value op_;
1057};
1058
1059
1060class LArithmeticT: public LTemplateInstruction<1, 2, 0> {
1061 public:
1062  LArithmeticT(Token::Value op, LOperand* left, LOperand* right)
1063      : op_(op) {
1064    inputs_[0] = left;
1065    inputs_[1] = right;
1066  }
1067
1068  virtual Opcode opcode() const { return LInstruction::kArithmeticT; }
1069  virtual void CompileToNative(LCodeGen* generator);
1070  virtual const char* Mnemonic() const;
1071
1072  Token::Value op() const { return op_; }
1073
1074 private:
1075  Token::Value op_;
1076};
1077
1078
1079class LReturn: public LTemplateInstruction<0, 1, 0> {
1080 public:
1081  explicit LReturn(LOperand* value) {
1082    inputs_[0] = value;
1083  }
1084
1085  DECLARE_CONCRETE_INSTRUCTION(Return, "return")
1086};
1087
1088
1089class LLoadNamedField: public LTemplateInstruction<1, 1, 0> {
1090 public:
1091  explicit LLoadNamedField(LOperand* object) {
1092    inputs_[0] = object;
1093  }
1094
1095  DECLARE_CONCRETE_INSTRUCTION(LoadNamedField, "load-named-field")
1096  DECLARE_HYDROGEN_ACCESSOR(LoadNamedField)
1097};
1098
1099
1100class LLoadNamedFieldPolymorphic: public LTemplateInstruction<1, 1, 0> {
1101 public:
1102  explicit LLoadNamedFieldPolymorphic(LOperand* object) {
1103    inputs_[0] = object;
1104  }
1105
1106  DECLARE_CONCRETE_INSTRUCTION(LoadNamedField, "load-named-field-polymorphic")
1107  DECLARE_HYDROGEN_ACCESSOR(LoadNamedFieldPolymorphic)
1108
1109  LOperand* object() { return inputs_[0]; }
1110};
1111
1112
1113class LLoadNamedGeneric: public LTemplateInstruction<1, 1, 0> {
1114 public:
1115  explicit LLoadNamedGeneric(LOperand* object) {
1116    inputs_[0] = object;
1117  }
1118
1119  DECLARE_CONCRETE_INSTRUCTION(LoadNamedGeneric, "load-named-generic")
1120  DECLARE_HYDROGEN_ACCESSOR(LoadNamedGeneric)
1121
1122  LOperand* object() { return inputs_[0]; }
1123  Handle<Object> name() const { return hydrogen()->name(); }
1124};
1125
1126
1127class LLoadFunctionPrototype: public LTemplateInstruction<1, 1, 0> {
1128 public:
1129  explicit LLoadFunctionPrototype(LOperand* function) {
1130    inputs_[0] = function;
1131  }
1132
1133  DECLARE_CONCRETE_INSTRUCTION(LoadFunctionPrototype, "load-function-prototype")
1134  DECLARE_HYDROGEN_ACCESSOR(LoadFunctionPrototype)
1135
1136  LOperand* function() { return inputs_[0]; }
1137};
1138
1139
1140class LLoadElements: public LTemplateInstruction<1, 1, 0> {
1141 public:
1142  explicit LLoadElements(LOperand* object) {
1143    inputs_[0] = object;
1144  }
1145
1146  DECLARE_CONCRETE_INSTRUCTION(LoadElements, "load-elements")
1147};
1148
1149
1150class LLoadExternalArrayPointer: public LTemplateInstruction<1, 1, 0> {
1151 public:
1152  explicit LLoadExternalArrayPointer(LOperand* object) {
1153    inputs_[0] = object;
1154  }
1155
1156  DECLARE_CONCRETE_INSTRUCTION(LoadExternalArrayPointer,
1157                               "load-external-array-pointer")
1158};
1159
1160
1161class LLoadKeyedFastElement: public LTemplateInstruction<1, 2, 0> {
1162 public:
1163  LLoadKeyedFastElement(LOperand* elements, LOperand* key) {
1164    inputs_[0] = elements;
1165    inputs_[1] = key;
1166  }
1167
1168  DECLARE_CONCRETE_INSTRUCTION(LoadKeyedFastElement, "load-keyed-fast-element")
1169  DECLARE_HYDROGEN_ACCESSOR(LoadKeyedFastElement)
1170
1171  LOperand* elements() { return inputs_[0]; }
1172  LOperand* key() { return inputs_[1]; }
1173};
1174
1175
1176class LLoadKeyedFastDoubleElement: public LTemplateInstruction<1, 2, 0> {
1177 public:
1178  LLoadKeyedFastDoubleElement(LOperand* elements, LOperand* key) {
1179    inputs_[0] = elements;
1180    inputs_[1] = key;
1181  }
1182
1183  DECLARE_CONCRETE_INSTRUCTION(LoadKeyedFastDoubleElement,
1184                               "load-keyed-fast-double-element")
1185  DECLARE_HYDROGEN_ACCESSOR(LoadKeyedFastDoubleElement)
1186
1187  LOperand* elements() { return inputs_[0]; }
1188  LOperand* key() { return inputs_[1]; }
1189};
1190
1191
1192class LLoadKeyedSpecializedArrayElement: public LTemplateInstruction<1, 2, 0> {
1193 public:
1194  LLoadKeyedSpecializedArrayElement(LOperand* external_pointer,
1195                                    LOperand* key) {
1196    inputs_[0] = external_pointer;
1197    inputs_[1] = key;
1198  }
1199
1200  DECLARE_CONCRETE_INSTRUCTION(LoadKeyedSpecializedArrayElement,
1201                               "load-keyed-specialized-array-element")
1202  DECLARE_HYDROGEN_ACCESSOR(LoadKeyedSpecializedArrayElement)
1203
1204  LOperand* external_pointer() { return inputs_[0]; }
1205  LOperand* key() { return inputs_[1]; }
1206  ElementsKind elements_kind() const {
1207    return hydrogen()->elements_kind();
1208  }
1209};
1210
1211
1212class LLoadKeyedGeneric: public LTemplateInstruction<1, 2, 0> {
1213 public:
1214  LLoadKeyedGeneric(LOperand* obj, LOperand* key) {
1215    inputs_[0] = obj;
1216    inputs_[1] = key;
1217  }
1218
1219  DECLARE_CONCRETE_INSTRUCTION(LoadKeyedGeneric, "load-keyed-generic")
1220
1221  LOperand* object() { return inputs_[0]; }
1222  LOperand* key() { return inputs_[1]; }
1223};
1224
1225
1226class LLoadGlobalCell: public LTemplateInstruction<1, 0, 0> {
1227 public:
1228  DECLARE_CONCRETE_INSTRUCTION(LoadGlobalCell, "load-global-cell")
1229  DECLARE_HYDROGEN_ACCESSOR(LoadGlobalCell)
1230};
1231
1232
1233class LLoadGlobalGeneric: public LTemplateInstruction<1, 1, 0> {
1234 public:
1235  explicit LLoadGlobalGeneric(LOperand* global_object) {
1236    inputs_[0] = global_object;
1237  }
1238
1239  DECLARE_CONCRETE_INSTRUCTION(LoadGlobalGeneric, "load-global-generic")
1240  DECLARE_HYDROGEN_ACCESSOR(LoadGlobalGeneric)
1241
1242  LOperand* global_object() { return inputs_[0]; }
1243  Handle<Object> name() const { return hydrogen()->name(); }
1244  bool for_typeof() const { return hydrogen()->for_typeof(); }
1245};
1246
1247
1248class LStoreGlobalCell: public LTemplateInstruction<0, 1, 1> {
1249 public:
1250  LStoreGlobalCell(LOperand* value, LOperand* temp) {
1251    inputs_[0] = value;
1252    temps_[0] = temp;
1253  }
1254
1255  DECLARE_CONCRETE_INSTRUCTION(StoreGlobalCell, "store-global-cell")
1256  DECLARE_HYDROGEN_ACCESSOR(StoreGlobalCell)
1257
1258  LOperand* value() { return inputs_[0]; }
1259};
1260
1261
1262class LStoreGlobalGeneric: public LTemplateInstruction<0, 2, 0> {
1263 public:
1264  explicit LStoreGlobalGeneric(LOperand* global_object,
1265                               LOperand* value) {
1266    inputs_[0] = global_object;
1267    inputs_[1] = value;
1268  }
1269
1270  DECLARE_CONCRETE_INSTRUCTION(StoreGlobalGeneric, "store-global-generic")
1271  DECLARE_HYDROGEN_ACCESSOR(StoreGlobalGeneric)
1272
1273  LOperand* global_object() { return InputAt(0); }
1274  Handle<Object> name() const { return hydrogen()->name(); }
1275  LOperand* value() { return InputAt(1); }
1276  StrictModeFlag strict_mode_flag() { return hydrogen()->strict_mode_flag(); }
1277};
1278
1279
1280class LLoadContextSlot: public LTemplateInstruction<1, 1, 0> {
1281 public:
1282  explicit LLoadContextSlot(LOperand* context) {
1283    inputs_[0] = context;
1284  }
1285
1286  DECLARE_CONCRETE_INSTRUCTION(LoadContextSlot, "load-context-slot")
1287  DECLARE_HYDROGEN_ACCESSOR(LoadContextSlot)
1288
1289  LOperand* context() { return InputAt(0); }
1290  int slot_index() { return hydrogen()->slot_index(); }
1291
1292  virtual void PrintDataTo(StringStream* stream);
1293};
1294
1295
1296class LStoreContextSlot: public LTemplateInstruction<0, 2, 0> {
1297 public:
1298  LStoreContextSlot(LOperand* context, LOperand* value) {
1299    inputs_[0] = context;
1300    inputs_[1] = value;
1301  }
1302
1303  DECLARE_CONCRETE_INSTRUCTION(StoreContextSlot, "store-context-slot")
1304  DECLARE_HYDROGEN_ACCESSOR(StoreContextSlot)
1305
1306  LOperand* context() { return InputAt(0); }
1307  LOperand* value() { return InputAt(1); }
1308  int slot_index() { return hydrogen()->slot_index(); }
1309
1310  virtual void PrintDataTo(StringStream* stream);
1311};
1312
1313
1314class LPushArgument: public LTemplateInstruction<0, 1, 0> {
1315 public:
1316  explicit LPushArgument(LOperand* value) {
1317    inputs_[0] = value;
1318  }
1319
1320  DECLARE_CONCRETE_INSTRUCTION(PushArgument, "push-argument")
1321};
1322
1323
1324class LThisFunction: public LTemplateInstruction<1, 0, 0> {
1325 public:
1326  DECLARE_CONCRETE_INSTRUCTION(ThisFunction, "this-function")
1327  DECLARE_HYDROGEN_ACCESSOR(ThisFunction)
1328};
1329
1330
1331class LContext: public LTemplateInstruction<1, 0, 0> {
1332 public:
1333  DECLARE_CONCRETE_INSTRUCTION(Context, "context")
1334};
1335
1336
1337class LOuterContext: public LTemplateInstruction<1, 1, 0> {
1338 public:
1339  explicit LOuterContext(LOperand* context) {
1340    inputs_[0] = context;
1341  }
1342
1343  DECLARE_CONCRETE_INSTRUCTION(OuterContext, "outer-context")
1344
1345  LOperand* context() { return InputAt(0); }
1346};
1347
1348
1349class LGlobalObject: public LTemplateInstruction<1, 1, 0> {
1350 public:
1351  explicit LGlobalObject(LOperand* context) {
1352    inputs_[0] = context;
1353  }
1354
1355  DECLARE_CONCRETE_INSTRUCTION(GlobalObject, "global-object")
1356
1357  LOperand* context() { return InputAt(0); }
1358};
1359
1360
1361class LGlobalReceiver: public LTemplateInstruction<1, 1, 0> {
1362 public:
1363  explicit LGlobalReceiver(LOperand* global_object) {
1364    inputs_[0] = global_object;
1365  }
1366
1367  DECLARE_CONCRETE_INSTRUCTION(GlobalReceiver, "global-receiver")
1368
1369  LOperand* global() { return InputAt(0); }
1370};
1371
1372
1373class LCallConstantFunction: public LTemplateInstruction<1, 0, 0> {
1374 public:
1375  DECLARE_CONCRETE_INSTRUCTION(CallConstantFunction, "call-constant-function")
1376  DECLARE_HYDROGEN_ACCESSOR(CallConstantFunction)
1377
1378  virtual void PrintDataTo(StringStream* stream);
1379
1380  Handle<JSFunction> function() { return hydrogen()->function(); }
1381  int arity() const { return hydrogen()->argument_count() - 1; }
1382};
1383
1384
1385class LInvokeFunction: public LTemplateInstruction<1, 1, 0> {
1386 public:
1387  explicit LInvokeFunction(LOperand* function) {
1388    inputs_[0] = function;
1389  }
1390
1391  DECLARE_CONCRETE_INSTRUCTION(InvokeFunction, "invoke-function")
1392  DECLARE_HYDROGEN_ACCESSOR(InvokeFunction)
1393
1394  LOperand* function() { return inputs_[0]; }
1395
1396  virtual void PrintDataTo(StringStream* stream);
1397
1398  int arity() const { return hydrogen()->argument_count() - 1; }
1399};
1400
1401
1402class LCallKeyed: public LTemplateInstruction<1, 1, 0> {
1403 public:
1404  explicit LCallKeyed(LOperand* key) {
1405    inputs_[0] = key;
1406  }
1407
1408  DECLARE_CONCRETE_INSTRUCTION(CallKeyed, "call-keyed")
1409  DECLARE_HYDROGEN_ACCESSOR(CallKeyed)
1410
1411  virtual void PrintDataTo(StringStream* stream);
1412
1413  int arity() const { return hydrogen()->argument_count() - 1; }
1414};
1415
1416
1417
1418class LCallNamed: public LTemplateInstruction<1, 0, 0> {
1419 public:
1420  DECLARE_CONCRETE_INSTRUCTION(CallNamed, "call-named")
1421  DECLARE_HYDROGEN_ACCESSOR(CallNamed)
1422
1423  virtual void PrintDataTo(StringStream* stream);
1424
1425  Handle<String> name() const { return hydrogen()->name(); }
1426  int arity() const { return hydrogen()->argument_count() - 1; }
1427};
1428
1429
1430class LCallFunction: public LTemplateInstruction<1, 1, 0> {
1431 public:
1432  explicit LCallFunction(LOperand* function) {
1433    inputs_[0] = function;
1434  }
1435
1436  DECLARE_CONCRETE_INSTRUCTION(CallFunction, "call-function")
1437  DECLARE_HYDROGEN_ACCESSOR(CallFunction)
1438
1439  LOperand* function() { return inputs_[0]; }
1440  int arity() const { return hydrogen()->argument_count() - 1; }
1441};
1442
1443
1444class LCallGlobal: public LTemplateInstruction<1, 0, 0> {
1445 public:
1446  DECLARE_CONCRETE_INSTRUCTION(CallGlobal, "call-global")
1447  DECLARE_HYDROGEN_ACCESSOR(CallGlobal)
1448
1449  virtual void PrintDataTo(StringStream* stream);
1450
1451  Handle<String> name() const {return hydrogen()->name(); }
1452  int arity() const { return hydrogen()->argument_count() - 1; }
1453};
1454
1455
1456class LCallKnownGlobal: public LTemplateInstruction<1, 0, 0> {
1457 public:
1458  DECLARE_CONCRETE_INSTRUCTION(CallKnownGlobal, "call-known-global")
1459  DECLARE_HYDROGEN_ACCESSOR(CallKnownGlobal)
1460
1461  virtual void PrintDataTo(StringStream* stream);
1462
1463  Handle<JSFunction> target() const { return hydrogen()->target();  }
1464  int arity() const { return hydrogen()->argument_count() - 1;  }
1465};
1466
1467
1468class LCallNew: public LTemplateInstruction<1, 1, 0> {
1469 public:
1470  explicit LCallNew(LOperand* constructor) {
1471    inputs_[0] = constructor;
1472  }
1473
1474  DECLARE_CONCRETE_INSTRUCTION(CallNew, "call-new")
1475  DECLARE_HYDROGEN_ACCESSOR(CallNew)
1476
1477  virtual void PrintDataTo(StringStream* stream);
1478
1479  int arity() const { return hydrogen()->argument_count() - 1; }
1480};
1481
1482
1483class LCallRuntime: public LTemplateInstruction<1, 0, 0> {
1484 public:
1485  DECLARE_CONCRETE_INSTRUCTION(CallRuntime, "call-runtime")
1486  DECLARE_HYDROGEN_ACCESSOR(CallRuntime)
1487
1488  const Runtime::Function* function() const { return hydrogen()->function(); }
1489  int arity() const { return hydrogen()->argument_count(); }
1490};
1491
1492
1493class LInteger32ToDouble: public LTemplateInstruction<1, 1, 0> {
1494 public:
1495  explicit LInteger32ToDouble(LOperand* value) {
1496    inputs_[0] = value;
1497  }
1498
1499  DECLARE_CONCRETE_INSTRUCTION(Integer32ToDouble, "int32-to-double")
1500};
1501
1502
1503class LNumberTagI: public LTemplateInstruction<1, 1, 0> {
1504 public:
1505  explicit LNumberTagI(LOperand* value) {
1506    inputs_[0] = value;
1507  }
1508
1509  DECLARE_CONCRETE_INSTRUCTION(NumberTagI, "number-tag-i")
1510};
1511
1512
1513class LNumberTagD: public LTemplateInstruction<1, 1, 2> {
1514 public:
1515  LNumberTagD(LOperand* value, LOperand* temp1, LOperand* temp2) {
1516    inputs_[0] = value;
1517    temps_[0] = temp1;
1518    temps_[1] = temp2;
1519  }
1520
1521  DECLARE_CONCRETE_INSTRUCTION(NumberTagD, "number-tag-d")
1522};
1523
1524
1525// Sometimes truncating conversion from a tagged value to an int32.
1526class LDoubleToI: public LTemplateInstruction<1, 1, 2> {
1527 public:
1528  LDoubleToI(LOperand* value, LOperand* temp1, LOperand* temp2) {
1529    inputs_[0] = value;
1530    temps_[0] = temp1;
1531    temps_[1] = temp2;
1532  }
1533
1534  DECLARE_CONCRETE_INSTRUCTION(DoubleToI, "double-to-i")
1535  DECLARE_HYDROGEN_ACCESSOR(UnaryOperation)
1536
1537  bool truncating() { return hydrogen()->CanTruncateToInt32(); }
1538};
1539
1540
1541// Truncating conversion from a tagged value to an int32.
1542class LTaggedToI: public LTemplateInstruction<1, 1, 3> {
1543 public:
1544  LTaggedToI(LOperand* value,
1545             LOperand* temp1,
1546             LOperand* temp2,
1547             LOperand* temp3) {
1548    inputs_[0] = value;
1549    temps_[0] = temp1;
1550    temps_[1] = temp2;
1551    temps_[2] = temp3;
1552  }
1553
1554  DECLARE_CONCRETE_INSTRUCTION(TaggedToI, "tagged-to-i")
1555  DECLARE_HYDROGEN_ACCESSOR(UnaryOperation)
1556
1557  bool truncating() { return hydrogen()->CanTruncateToInt32(); }
1558};
1559
1560
1561class LSmiTag: public LTemplateInstruction<1, 1, 0> {
1562 public:
1563  explicit LSmiTag(LOperand* value) {
1564    inputs_[0] = value;
1565  }
1566
1567  DECLARE_CONCRETE_INSTRUCTION(SmiTag, "smi-tag")
1568};
1569
1570
1571class LNumberUntagD: public LTemplateInstruction<1, 1, 0> {
1572 public:
1573  explicit LNumberUntagD(LOperand* value) {
1574    inputs_[0] = value;
1575  }
1576
1577  DECLARE_CONCRETE_INSTRUCTION(NumberUntagD, "double-untag")
1578  DECLARE_HYDROGEN_ACCESSOR(Change)
1579};
1580
1581
1582class LSmiUntag: public LTemplateInstruction<1, 1, 0> {
1583 public:
1584  LSmiUntag(LOperand* value, bool needs_check)
1585      : needs_check_(needs_check) {
1586    inputs_[0] = value;
1587  }
1588
1589  DECLARE_CONCRETE_INSTRUCTION(SmiUntag, "smi-untag")
1590
1591  bool needs_check() const { return needs_check_; }
1592
1593 private:
1594  bool needs_check_;
1595};
1596
1597
1598class LStoreNamedField: public LTemplateInstruction<0, 2, 0> {
1599 public:
1600  LStoreNamedField(LOperand* obj, LOperand* val) {
1601    inputs_[0] = obj;
1602    inputs_[1] = val;
1603  }
1604
1605  DECLARE_CONCRETE_INSTRUCTION(StoreNamedField, "store-named-field")
1606  DECLARE_HYDROGEN_ACCESSOR(StoreNamedField)
1607
1608  virtual void PrintDataTo(StringStream* stream);
1609
1610  LOperand* object() { return inputs_[0]; }
1611  LOperand* value() { return inputs_[1]; }
1612
1613  Handle<Object> name() const { return hydrogen()->name(); }
1614  bool is_in_object() { return hydrogen()->is_in_object(); }
1615  int offset() { return hydrogen()->offset(); }
1616  Handle<Map> transition() const { return hydrogen()->transition(); }
1617};
1618
1619
1620class LStoreNamedGeneric: public LTemplateInstruction<0, 2, 0> {
1621 public:
1622  LStoreNamedGeneric(LOperand* obj, LOperand* val) {
1623    inputs_[0] = obj;
1624    inputs_[1] = val;
1625  }
1626
1627  DECLARE_CONCRETE_INSTRUCTION(StoreNamedGeneric, "store-named-generic")
1628  DECLARE_HYDROGEN_ACCESSOR(StoreNamedGeneric)
1629
1630  virtual void PrintDataTo(StringStream* stream);
1631
1632  LOperand* object() { return inputs_[0]; }
1633  LOperand* value() { return inputs_[1]; }
1634  Handle<Object> name() const { return hydrogen()->name(); }
1635  StrictModeFlag strict_mode_flag() { return hydrogen()->strict_mode_flag(); }
1636};
1637
1638
1639class LStoreKeyedFastElement: public LTemplateInstruction<0, 3, 0> {
1640 public:
1641  LStoreKeyedFastElement(LOperand* obj, LOperand* key, LOperand* val) {
1642    inputs_[0] = obj;
1643    inputs_[1] = key;
1644    inputs_[2] = val;
1645  }
1646
1647  DECLARE_CONCRETE_INSTRUCTION(StoreKeyedFastElement,
1648                               "store-keyed-fast-element")
1649  DECLARE_HYDROGEN_ACCESSOR(StoreKeyedFastElement)
1650
1651  virtual void PrintDataTo(StringStream* stream);
1652
1653  LOperand* object() { return inputs_[0]; }
1654  LOperand* key() { return inputs_[1]; }
1655  LOperand* value() { return inputs_[2]; }
1656};
1657
1658
1659class LStoreKeyedFastDoubleElement: public LTemplateInstruction<0, 3, 0> {
1660 public:
1661  LStoreKeyedFastDoubleElement(LOperand* elements,
1662                               LOperand* key,
1663                               LOperand* val) {
1664    inputs_[0] = elements;
1665    inputs_[1] = key;
1666    inputs_[2] = val;
1667  }
1668
1669  DECLARE_CONCRETE_INSTRUCTION(StoreKeyedFastDoubleElement,
1670                               "store-keyed-fast-double-element")
1671  DECLARE_HYDROGEN_ACCESSOR(StoreKeyedFastDoubleElement)
1672
1673  virtual void PrintDataTo(StringStream* stream);
1674
1675  LOperand* elements() { return inputs_[0]; }
1676  LOperand* key() { return inputs_[1]; }
1677  LOperand* value() { return inputs_[2]; }
1678};
1679
1680
1681class LStoreKeyedGeneric: public LTemplateInstruction<0, 3, 0> {
1682 public:
1683  LStoreKeyedGeneric(LOperand* obj, LOperand* key, LOperand* val) {
1684    inputs_[0] = obj;
1685    inputs_[1] = key;
1686    inputs_[2] = val;
1687  }
1688
1689  DECLARE_CONCRETE_INSTRUCTION(StoreKeyedGeneric, "store-keyed-generic")
1690  DECLARE_HYDROGEN_ACCESSOR(StoreKeyedGeneric)
1691
1692  virtual void PrintDataTo(StringStream* stream);
1693
1694  LOperand* object() { return inputs_[0]; }
1695  LOperand* key() { return inputs_[1]; }
1696  LOperand* value() { return inputs_[2]; }
1697  StrictModeFlag strict_mode_flag() { return hydrogen()->strict_mode_flag(); }
1698};
1699
1700class LStoreKeyedSpecializedArrayElement: public LTemplateInstruction<0, 3, 0> {
1701 public:
1702  LStoreKeyedSpecializedArrayElement(LOperand* external_pointer,
1703                                     LOperand* key,
1704                                     LOperand* val) {
1705    inputs_[0] = external_pointer;
1706    inputs_[1] = key;
1707    inputs_[2] = val;
1708  }
1709
1710  DECLARE_CONCRETE_INSTRUCTION(StoreKeyedSpecializedArrayElement,
1711                               "store-keyed-specialized-array-element")
1712  DECLARE_HYDROGEN_ACCESSOR(StoreKeyedSpecializedArrayElement)
1713
1714  LOperand* external_pointer() { return inputs_[0]; }
1715  LOperand* key() { return inputs_[1]; }
1716  LOperand* value() { return inputs_[2]; }
1717  ElementsKind elements_kind() const {
1718    return hydrogen()->elements_kind();
1719  }
1720};
1721
1722
1723class LTransitionElementsKind: public LTemplateInstruction<1, 1, 2> {
1724 public:
1725  LTransitionElementsKind(LOperand* object,
1726                          LOperand* new_map_temp,
1727                          LOperand* temp_reg) {
1728    inputs_[0] = object;
1729    temps_[0] = new_map_temp;
1730    temps_[1] = temp_reg;
1731  }
1732
1733  DECLARE_CONCRETE_INSTRUCTION(TransitionElementsKind,
1734                               "transition-elements-kind")
1735  DECLARE_HYDROGEN_ACCESSOR(TransitionElementsKind)
1736
1737  virtual void PrintDataTo(StringStream* stream);
1738
1739  LOperand* object() { return inputs_[0]; }
1740  LOperand* new_map_reg() { return temps_[0]; }
1741  LOperand* temp_reg() { return temps_[1]; }
1742  Handle<Map> original_map() { return hydrogen()->original_map(); }
1743  Handle<Map> transitioned_map() { return hydrogen()->transitioned_map(); }
1744};
1745
1746
1747class LStringAdd: public LTemplateInstruction<1, 2, 0> {
1748 public:
1749  LStringAdd(LOperand* left, LOperand* right) {
1750    inputs_[0] = left;
1751    inputs_[1] = right;
1752  }
1753
1754  DECLARE_CONCRETE_INSTRUCTION(StringAdd, "string-add")
1755  DECLARE_HYDROGEN_ACCESSOR(StringAdd)
1756
1757  LOperand* left() { return inputs_[0]; }
1758  LOperand* right() { return inputs_[1]; }
1759};
1760
1761
1762
1763class LStringCharCodeAt: public LTemplateInstruction<1, 2, 0> {
1764 public:
1765  LStringCharCodeAt(LOperand* string, LOperand* index) {
1766    inputs_[0] = string;
1767    inputs_[1] = index;
1768  }
1769
1770  DECLARE_CONCRETE_INSTRUCTION(StringCharCodeAt, "string-char-code-at")
1771  DECLARE_HYDROGEN_ACCESSOR(StringCharCodeAt)
1772
1773  LOperand* string() { return inputs_[0]; }
1774  LOperand* index() { return inputs_[1]; }
1775};
1776
1777
1778class LStringCharFromCode: public LTemplateInstruction<1, 1, 0> {
1779 public:
1780  explicit LStringCharFromCode(LOperand* char_code) {
1781    inputs_[0] = char_code;
1782  }
1783
1784  DECLARE_CONCRETE_INSTRUCTION(StringCharFromCode, "string-char-from-code")
1785  DECLARE_HYDROGEN_ACCESSOR(StringCharFromCode)
1786
1787  LOperand* char_code() { return inputs_[0]; }
1788};
1789
1790
1791class LStringLength: public LTemplateInstruction<1, 1, 0> {
1792 public:
1793  explicit LStringLength(LOperand* string) {
1794    inputs_[0] = string;
1795  }
1796
1797  DECLARE_CONCRETE_INSTRUCTION(StringLength, "string-length")
1798  DECLARE_HYDROGEN_ACCESSOR(StringLength)
1799
1800  LOperand* string() { return inputs_[0]; }
1801};
1802
1803
1804class LCheckFunction: public LTemplateInstruction<0, 1, 0> {
1805 public:
1806  explicit LCheckFunction(LOperand* value) {
1807    inputs_[0] = value;
1808  }
1809
1810  LOperand* value() { return InputAt(0); }
1811
1812  DECLARE_CONCRETE_INSTRUCTION(CheckFunction, "check-function")
1813  DECLARE_HYDROGEN_ACCESSOR(CheckFunction)
1814};
1815
1816
1817class LCheckInstanceType: public LTemplateInstruction<0, 1, 0> {
1818 public:
1819  explicit LCheckInstanceType(LOperand* value) {
1820    inputs_[0] = value;
1821  }
1822
1823  DECLARE_CONCRETE_INSTRUCTION(CheckInstanceType, "check-instance-type")
1824  DECLARE_HYDROGEN_ACCESSOR(CheckInstanceType)
1825};
1826
1827
1828class LCheckMap: public LTemplateInstruction<0, 1, 0> {
1829 public:
1830  explicit LCheckMap(LOperand* value) {
1831    inputs_[0] = value;
1832  }
1833
1834  DECLARE_CONCRETE_INSTRUCTION(CheckMap, "check-map")
1835  DECLARE_HYDROGEN_ACCESSOR(CheckMap)
1836};
1837
1838
1839class LCheckPrototypeMaps: public LTemplateInstruction<0, 0, 2> {
1840 public:
1841  LCheckPrototypeMaps(LOperand* temp1, LOperand* temp2)  {
1842    temps_[0] = temp1;
1843    temps_[1] = temp2;
1844  }
1845
1846  DECLARE_CONCRETE_INSTRUCTION(CheckPrototypeMaps, "check-prototype-maps")
1847  DECLARE_HYDROGEN_ACCESSOR(CheckPrototypeMaps)
1848
1849  Handle<JSObject> prototype() const { return hydrogen()->prototype(); }
1850  Handle<JSObject> holder() const { return hydrogen()->holder(); }
1851};
1852
1853
1854class LCheckSmi: public LTemplateInstruction<0, 1, 0> {
1855 public:
1856  explicit LCheckSmi(LOperand* value) {
1857    inputs_[0] = value;
1858  }
1859
1860  DECLARE_CONCRETE_INSTRUCTION(CheckSmi, "check-smi")
1861};
1862
1863
1864class LCheckNonSmi: public LTemplateInstruction<0, 1, 0> {
1865 public:
1866  explicit LCheckNonSmi(LOperand* value) {
1867    inputs_[0] = value;
1868  }
1869
1870  DECLARE_CONCRETE_INSTRUCTION(CheckNonSmi, "check-non-smi")
1871};
1872
1873
1874class LClampDToUint8: public LTemplateInstruction<1, 1, 1> {
1875 public:
1876  LClampDToUint8(LOperand* value, LOperand* temp) {
1877    inputs_[0] = value;
1878    temps_[0] = temp;
1879  }
1880
1881  LOperand* unclamped() { return inputs_[0]; }
1882
1883  DECLARE_CONCRETE_INSTRUCTION(ClampDToUint8, "clamp-d-to-uint8")
1884};
1885
1886
1887class LClampIToUint8: public LTemplateInstruction<1, 1, 0> {
1888 public:
1889  explicit LClampIToUint8(LOperand* value) {
1890    inputs_[0] = value;
1891  }
1892
1893  LOperand* unclamped() { return inputs_[0]; }
1894
1895  DECLARE_CONCRETE_INSTRUCTION(ClampIToUint8, "clamp-i-to-uint8")
1896};
1897
1898
1899class LClampTToUint8: public LTemplateInstruction<1, 1, 1> {
1900 public:
1901  LClampTToUint8(LOperand* value, LOperand* temp) {
1902    inputs_[0] = value;
1903    temps_[0] = temp;
1904  }
1905
1906  LOperand* unclamped() { return inputs_[0]; }
1907
1908  DECLARE_CONCRETE_INSTRUCTION(ClampTToUint8, "clamp-t-to-uint8")
1909};
1910
1911
1912class LArrayLiteral: public LTemplateInstruction<1, 0, 0> {
1913 public:
1914  DECLARE_CONCRETE_INSTRUCTION(ArrayLiteral, "array-literal")
1915  DECLARE_HYDROGEN_ACCESSOR(ArrayLiteral)
1916};
1917
1918
1919class LObjectLiteralFast: public LTemplateInstruction<1, 0, 0> {
1920 public:
1921  DECLARE_CONCRETE_INSTRUCTION(ObjectLiteralFast, "object-literal-fast")
1922  DECLARE_HYDROGEN_ACCESSOR(ObjectLiteralFast)
1923};
1924
1925
1926class LObjectLiteralGeneric: public LTemplateInstruction<1, 0, 0> {
1927 public:
1928  DECLARE_CONCRETE_INSTRUCTION(ObjectLiteralGeneric, "object-literal-generic")
1929  DECLARE_HYDROGEN_ACCESSOR(ObjectLiteralGeneric)
1930};
1931
1932
1933class LRegExpLiteral: public LTemplateInstruction<1, 0, 0> {
1934 public:
1935  DECLARE_CONCRETE_INSTRUCTION(RegExpLiteral, "regexp-literal")
1936  DECLARE_HYDROGEN_ACCESSOR(RegExpLiteral)
1937};
1938
1939
1940class LFunctionLiteral: public LTemplateInstruction<1, 0, 0> {
1941 public:
1942  DECLARE_CONCRETE_INSTRUCTION(FunctionLiteral, "function-literal")
1943  DECLARE_HYDROGEN_ACCESSOR(FunctionLiteral)
1944
1945  Handle<SharedFunctionInfo> shared_info() { return hydrogen()->shared_info(); }
1946};
1947
1948
1949class LToFastProperties: public LTemplateInstruction<1, 1, 0> {
1950 public:
1951  explicit LToFastProperties(LOperand* value) {
1952    inputs_[0] = value;
1953  }
1954
1955  DECLARE_CONCRETE_INSTRUCTION(ToFastProperties, "to-fast-properties")
1956  DECLARE_HYDROGEN_ACCESSOR(ToFastProperties)
1957};
1958
1959
1960class LTypeof: public LTemplateInstruction<1, 1, 0> {
1961 public:
1962  explicit LTypeof(LOperand* value) {
1963    inputs_[0] = value;
1964  }
1965
1966  DECLARE_CONCRETE_INSTRUCTION(Typeof, "typeof")
1967};
1968
1969
1970class LTypeofIsAndBranch: public LControlInstruction<1, 0> {
1971 public:
1972  explicit LTypeofIsAndBranch(LOperand* value) {
1973    inputs_[0] = value;
1974  }
1975
1976  DECLARE_CONCRETE_INSTRUCTION(TypeofIsAndBranch, "typeof-is-and-branch")
1977  DECLARE_HYDROGEN_ACCESSOR(TypeofIsAndBranch)
1978
1979  Handle<String> type_literal() { return hydrogen()->type_literal(); }
1980
1981  virtual void PrintDataTo(StringStream* stream);
1982};
1983
1984
1985class LIsConstructCallAndBranch: public LControlInstruction<0, 1> {
1986 public:
1987  explicit LIsConstructCallAndBranch(LOperand* temp) {
1988    temps_[0] = temp;
1989  }
1990
1991  DECLARE_CONCRETE_INSTRUCTION(IsConstructCallAndBranch,
1992                               "is-construct-call-and-branch")
1993};
1994
1995
1996class LDeleteProperty: public LTemplateInstruction<1, 2, 0> {
1997 public:
1998  LDeleteProperty(LOperand* obj, LOperand* key) {
1999    inputs_[0] = obj;
2000    inputs_[1] = key;
2001  }
2002
2003  DECLARE_CONCRETE_INSTRUCTION(DeleteProperty, "delete-property")
2004
2005  LOperand* object() { return inputs_[0]; }
2006  LOperand* key() { return inputs_[1]; }
2007};
2008
2009
2010class LOsrEntry: public LTemplateInstruction<0, 0, 0> {
2011 public:
2012  LOsrEntry();
2013
2014  DECLARE_CONCRETE_INSTRUCTION(OsrEntry, "osr-entry")
2015
2016  LOperand** SpilledRegisterArray() { return register_spills_; }
2017  LOperand** SpilledDoubleRegisterArray() { return double_register_spills_; }
2018
2019  void MarkSpilledRegister(int allocation_index, LOperand* spill_operand);
2020  void MarkSpilledDoubleRegister(int allocation_index,
2021                                 LOperand* spill_operand);
2022
2023 private:
2024  // Arrays of spill slot operands for registers with an assigned spill
2025  // slot, i.e., that must also be restored to the spill slot on OSR entry.
2026  // NULL if the register has no assigned spill slot.  Indexed by allocation
2027  // index.
2028  LOperand* register_spills_[Register::kNumAllocatableRegisters];
2029  LOperand* double_register_spills_[DoubleRegister::kNumAllocatableRegisters];
2030};
2031
2032
2033class LStackCheck: public LTemplateInstruction<0, 0, 0> {
2034 public:
2035  DECLARE_CONCRETE_INSTRUCTION(StackCheck, "stack-check")
2036  DECLARE_HYDROGEN_ACCESSOR(StackCheck)
2037
2038  Label* done_label() { return &done_label_; }
2039
2040 private:
2041  Label done_label_;
2042};
2043
2044
2045class LIn: public LTemplateInstruction<1, 2, 0> {
2046 public:
2047  LIn(LOperand* key, LOperand* object) {
2048    inputs_[0] = key;
2049    inputs_[1] = object;
2050  }
2051
2052  LOperand* key() { return inputs_[0]; }
2053  LOperand* object() { return inputs_[1]; }
2054
2055  DECLARE_CONCRETE_INSTRUCTION(In, "in")
2056};
2057
2058
2059class LChunkBuilder;
2060class LChunk: public ZoneObject {
2061 public:
2062  explicit LChunk(CompilationInfo* info, HGraph* graph);
2063
2064  void AddInstruction(LInstruction* instruction, HBasicBlock* block);
2065  LConstantOperand* DefineConstantOperand(HConstant* constant);
2066  Handle<Object> LookupLiteral(LConstantOperand* operand) const;
2067  Representation LookupLiteralRepresentation(LConstantOperand* operand) const;
2068
2069  int GetNextSpillIndex(bool is_double);
2070  LOperand* GetNextSpillSlot(bool is_double);
2071
2072  int ParameterAt(int index);
2073  int GetParameterStackSlot(int index) const;
2074  int spill_slot_count() const { return spill_slot_count_; }
2075  CompilationInfo* info() const { return info_; }
2076  HGraph* graph() const { return graph_; }
2077  const ZoneList<LInstruction*>* instructions() const { return &instructions_; }
2078  void AddGapMove(int index, LOperand* from, LOperand* to);
2079  LGap* GetGapAt(int index) const;
2080  bool IsGapAt(int index) const;
2081  int NearestGapPos(int index) const;
2082  void MarkEmptyBlocks();
2083  const ZoneList<LPointerMap*>* pointer_maps() const { return &pointer_maps_; }
2084  LLabel* GetLabel(int block_id) const {
2085    HBasicBlock* block = graph_->blocks()->at(block_id);
2086    int first_instruction = block->first_instruction_index();
2087    return LLabel::cast(instructions_[first_instruction]);
2088  }
2089  int LookupDestination(int block_id) const {
2090    LLabel* cur = GetLabel(block_id);
2091    while (cur->replacement() != NULL) {
2092      cur = cur->replacement();
2093    }
2094    return cur->block_id();
2095  }
2096  Label* GetAssemblyLabel(int block_id) const {
2097    LLabel* label = GetLabel(block_id);
2098    ASSERT(!label->HasReplacement());
2099    return label->label();
2100  }
2101
2102  const ZoneList<Handle<JSFunction> >* inlined_closures() const {
2103    return &inlined_closures_;
2104  }
2105
2106  void AddInlinedClosure(Handle<JSFunction> closure) {
2107    inlined_closures_.Add(closure);
2108  }
2109
2110 private:
2111  int spill_slot_count_;
2112  CompilationInfo* info_;
2113  HGraph* const graph_;
2114  ZoneList<LInstruction*> instructions_;
2115  ZoneList<LPointerMap*> pointer_maps_;
2116  ZoneList<Handle<JSFunction> > inlined_closures_;
2117};
2118
2119
2120class LChunkBuilder BASE_EMBEDDED {
2121 public:
2122  LChunkBuilder(CompilationInfo* info, HGraph* graph, LAllocator* allocator)
2123      : chunk_(NULL),
2124        info_(info),
2125        graph_(graph),
2126        status_(UNUSED),
2127        current_instruction_(NULL),
2128        current_block_(NULL),
2129        next_block_(NULL),
2130        argument_count_(0),
2131        allocator_(allocator),
2132        position_(RelocInfo::kNoPosition),
2133        instruction_pending_deoptimization_environment_(NULL),
2134        pending_deoptimization_ast_id_(AstNode::kNoNumber) { }
2135
2136  // Build the sequence for the graph.
2137  LChunk* Build();
2138
2139  // Declare methods that deal with the individual node types.
2140#define DECLARE_DO(type) LInstruction* Do##type(H##type* node);
2141  HYDROGEN_CONCRETE_INSTRUCTION_LIST(DECLARE_DO)
2142#undef DECLARE_DO
2143
2144 private:
2145  enum Status {
2146    UNUSED,
2147    BUILDING,
2148    DONE,
2149    ABORTED
2150  };
2151
2152  LChunk* chunk() const { return chunk_; }
2153  CompilationInfo* info() const { return info_; }
2154  HGraph* graph() const { return graph_; }
2155
2156  bool is_unused() const { return status_ == UNUSED; }
2157  bool is_building() const { return status_ == BUILDING; }
2158  bool is_done() const { return status_ == DONE; }
2159  bool is_aborted() const { return status_ == ABORTED; }
2160
2161  void Abort(const char* format, ...);
2162
2163  // Methods for getting operands for Use / Define / Temp.
2164  LRegister* ToOperand(Register reg);
2165  LUnallocated* ToUnallocated(Register reg);
2166  LUnallocated* ToUnallocated(DoubleRegister reg);
2167
2168  // Methods for setting up define-use relationships.
2169  MUST_USE_RESULT LOperand* Use(HValue* value, LUnallocated* operand);
2170  MUST_USE_RESULT LOperand* UseFixed(HValue* value, Register fixed_register);
2171  MUST_USE_RESULT LOperand* UseFixedDouble(HValue* value,
2172                                           DoubleRegister fixed_register);
2173
2174  // A value that is guaranteed to be allocated to a register.
2175  // Operand created by UseRegister is guaranteed to be live until the end of
2176  // instruction. This means that register allocator will not reuse it's
2177  // register for any other operand inside instruction.
2178  // Operand created by UseRegisterAtStart is guaranteed to be live only at
2179  // instruction start. Register allocator is free to assign the same register
2180  // to some other operand used inside instruction (i.e. temporary or
2181  // output).
2182  MUST_USE_RESULT LOperand* UseRegister(HValue* value);
2183  MUST_USE_RESULT LOperand* UseRegisterAtStart(HValue* value);
2184
2185  // An input operand in a register that may be trashed.
2186  MUST_USE_RESULT LOperand* UseTempRegister(HValue* value);
2187
2188  // An input operand in a register or stack slot.
2189  MUST_USE_RESULT LOperand* Use(HValue* value);
2190  MUST_USE_RESULT LOperand* UseAtStart(HValue* value);
2191
2192  // An input operand in a register, stack slot or a constant operand.
2193  MUST_USE_RESULT LOperand* UseOrConstant(HValue* value);
2194  MUST_USE_RESULT LOperand* UseOrConstantAtStart(HValue* value);
2195
2196  // An input operand in a register or a constant operand.
2197  MUST_USE_RESULT LOperand* UseRegisterOrConstant(HValue* value);
2198  MUST_USE_RESULT LOperand* UseRegisterOrConstantAtStart(HValue* value);
2199
2200  // An input operand in register, stack slot or a constant operand.
2201  // Will not be moved to a register even if one is freely available.
2202  MUST_USE_RESULT LOperand* UseAny(HValue* value);
2203
2204  // Temporary operand that must be in a register.
2205  MUST_USE_RESULT LUnallocated* TempRegister();
2206  MUST_USE_RESULT LOperand* FixedTemp(Register reg);
2207  MUST_USE_RESULT LOperand* FixedTemp(DoubleRegister reg);
2208
2209  // Methods for setting up define-use relationships.
2210  // Return the same instruction that they are passed.
2211  template<int I, int T>
2212      LInstruction* Define(LTemplateInstruction<1, I, T>* instr,
2213                           LUnallocated* result);
2214  template<int I, int T>
2215      LInstruction* Define(LTemplateInstruction<1, I, T>* instr);
2216  template<int I, int T>
2217      LInstruction* DefineAsRegister(LTemplateInstruction<1, I, T>* instr);
2218  template<int I, int T>
2219      LInstruction* DefineAsSpilled(LTemplateInstruction<1, I, T>* instr,
2220                                    int index);
2221  template<int I, int T>
2222      LInstruction* DefineSameAsFirst(LTemplateInstruction<1, I, T>* instr);
2223  template<int I, int T>
2224      LInstruction* DefineFixed(LTemplateInstruction<1, I, T>* instr,
2225                                Register reg);
2226  template<int I, int T>
2227      LInstruction* DefineFixedDouble(LTemplateInstruction<1, I, T>* instr,
2228                                      DoubleRegister reg);
2229  LInstruction* AssignEnvironment(LInstruction* instr);
2230  LInstruction* AssignPointerMap(LInstruction* instr);
2231
2232  enum CanDeoptimize { CAN_DEOPTIMIZE_EAGERLY, CANNOT_DEOPTIMIZE_EAGERLY };
2233
2234  // By default we assume that instruction sequences generated for calls
2235  // cannot deoptimize eagerly and we do not attach environment to this
2236  // instruction.
2237  LInstruction* MarkAsCall(
2238      LInstruction* instr,
2239      HInstruction* hinstr,
2240      CanDeoptimize can_deoptimize = CANNOT_DEOPTIMIZE_EAGERLY);
2241  LInstruction* MarkAsSaveDoubles(LInstruction* instr);
2242
2243  LInstruction* SetInstructionPendingDeoptimizationEnvironment(
2244      LInstruction* instr, int ast_id);
2245  void ClearInstructionPendingDeoptimizationEnvironment();
2246
2247  LEnvironment* CreateEnvironment(HEnvironment* hydrogen_env,
2248                                  int* argument_index_accumulator);
2249
2250  void VisitInstruction(HInstruction* current);
2251
2252  void DoBasicBlock(HBasicBlock* block, HBasicBlock* next_block);
2253  LInstruction* DoBit(Token::Value op, HBitwiseBinaryOperation* instr);
2254  LInstruction* DoShift(Token::Value op, HBitwiseBinaryOperation* instr);
2255  LInstruction* DoArithmeticD(Token::Value op,
2256                              HArithmeticBinaryOperation* instr);
2257  LInstruction* DoArithmeticT(Token::Value op,
2258                              HArithmeticBinaryOperation* instr);
2259
2260  LChunk* chunk_;
2261  CompilationInfo* info_;
2262  HGraph* const graph_;
2263  Status status_;
2264  HInstruction* current_instruction_;
2265  HBasicBlock* current_block_;
2266  HBasicBlock* next_block_;
2267  int argument_count_;
2268  LAllocator* allocator_;
2269  int position_;
2270  LInstruction* instruction_pending_deoptimization_environment_;
2271  int pending_deoptimization_ast_id_;
2272
2273  DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
2274};
2275
2276#undef DECLARE_HYDROGEN_ACCESSOR
2277#undef DECLARE_CONCRETE_INSTRUCTION
2278
2279} }  // namespace v8::internal
2280
2281#endif  // V8_MIPS_LITHIUM_MIPS_H_
2282