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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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133 Scope* scope() const { return scope_; } | 133 Scope* scope() const { return scope_; } |
134 HGraph* graph() const { return chunk_->graph(); } | 134 HGraph* graph() const { return chunk_->graph(); } |
135 | 135 |
136 int GetNextEmittedBlock(int block); | 136 int GetNextEmittedBlock(int block); |
137 LInstruction* GetNextInstruction(); | 137 LInstruction* GetNextInstruction(); |
138 | 138 |
139 void EmitClassOfTest(Label* if_true, | 139 void EmitClassOfTest(Label* if_true, |
140 Label* if_false, | 140 Label* if_false, |
141 Handle<String> class_name, | 141 Handle<String> class_name, |
142 Register input, | 142 Register input, |
143 Register temporary); | 143 Register temporary, |
| 144 Register scratch); |
144 | 145 |
145 int GetStackSlotCount() const { return chunk()->spill_slot_count(); } | 146 int GetStackSlotCount() const { return chunk()->spill_slot_count(); } |
146 int GetParameterCount() const { return scope()->num_parameters(); } | 147 int GetParameterCount() const { return scope()->num_parameters(); } |
147 | 148 |
148 void Abort(const char* format, ...); | 149 void Abort(const char* format, ...); |
149 void Comment(const char* format, ...); | 150 void Comment(const char* format, ...); |
150 | 151 |
151 void AddDeferredCode(LDeferredCode* code) { deferred_.Add(code); } | 152 void AddDeferredCode(LDeferredCode* code) { deferred_.Add(code); } |
152 | 153 |
153 // Code generation passes. Returns true if code generation should | 154 // Code generation passes. Returns true if code generation should |
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338 friend class LDeferredCode; | 339 friend class LDeferredCode; |
339 friend class LEnvironment; | 340 friend class LEnvironment; |
340 friend class SafepointGenerator; | 341 friend class SafepointGenerator; |
341 DISALLOW_COPY_AND_ASSIGN(LCodeGen); | 342 DISALLOW_COPY_AND_ASSIGN(LCodeGen); |
342 }; | 343 }; |
343 | 344 |
344 | 345 |
345 class LDeferredCode: public ZoneObject { | 346 class LDeferredCode: public ZoneObject { |
346 public: | 347 public: |
347 explicit LDeferredCode(LCodeGen* codegen) | 348 explicit LDeferredCode(LCodeGen* codegen) |
348 : codegen_(codegen), external_exit_(NULL) { | 349 : codegen_(codegen), |
| 350 external_exit_(NULL), |
| 351 instruction_index_(codegen->current_instruction_) { |
349 codegen->AddDeferredCode(this); | 352 codegen->AddDeferredCode(this); |
350 } | 353 } |
351 | 354 |
352 virtual ~LDeferredCode() { } | 355 virtual ~LDeferredCode() { } |
353 virtual void Generate() = 0; | 356 virtual void Generate() = 0; |
| 357 virtual LInstruction* instr() = 0; |
354 | 358 |
355 void SetExit(Label *exit) { external_exit_ = exit; } | 359 void SetExit(Label *exit) { external_exit_ = exit; } |
356 Label* entry() { return &entry_; } | 360 Label* entry() { return &entry_; } |
357 Label* exit() { return external_exit_ != NULL ? external_exit_ : &exit_; } | 361 Label* exit() { return external_exit_ != NULL ? external_exit_ : &exit_; } |
| 362 int instruction_index() const { return instruction_index_; } |
358 | 363 |
359 protected: | 364 protected: |
360 LCodeGen* codegen() const { return codegen_; } | 365 LCodeGen* codegen() const { return codegen_; } |
361 MacroAssembler* masm() const { return codegen_->masm(); } | 366 MacroAssembler* masm() const { return codegen_->masm(); } |
362 | 367 |
363 private: | 368 private: |
364 LCodeGen* codegen_; | 369 LCodeGen* codegen_; |
365 Label entry_; | 370 Label entry_; |
366 Label exit_; | 371 Label exit_; |
367 Label* external_exit_; | 372 Label* external_exit_; |
| 373 int instruction_index_; |
368 }; | 374 }; |
369 | 375 |
370 } } // namespace v8::internal | 376 } } // namespace v8::internal |
371 | 377 |
372 #endif // V8_X64_LITHIUM_CODEGEN_X64_H_ | 378 #endif // V8_X64_LITHIUM_CODEGEN_X64_H_ |
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