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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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 |
11 // with the distribution. | 11 // with the distribution. |
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103 void DoDeferredNumberTagD(LNumberTagD* instr); | 103 void DoDeferredNumberTagD(LNumberTagD* instr); |
104 void DoDeferredNumberTagI(LNumberTagI* instr); | 104 void DoDeferredNumberTagI(LNumberTagI* instr); |
105 void DoDeferredTaggedToI(LTaggedToI* instr); | 105 void DoDeferredTaggedToI(LTaggedToI* instr); |
106 void DoDeferredMathAbsTaggedHeapNumber(LUnaryMathOperation* instr); | 106 void DoDeferredMathAbsTaggedHeapNumber(LUnaryMathOperation* instr); |
107 void DoDeferredStackCheck(LStackCheck* instr); | 107 void DoDeferredStackCheck(LStackCheck* instr); |
108 void DoDeferredStringCharCodeAt(LStringCharCodeAt* instr); | 108 void DoDeferredStringCharCodeAt(LStringCharCodeAt* instr); |
109 void DoDeferredStringCharFromCode(LStringCharFromCode* instr); | 109 void DoDeferredStringCharFromCode(LStringCharFromCode* instr); |
110 void DoDeferredInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr, | 110 void DoDeferredInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr, |
111 Label* map_check); | 111 Label* map_check); |
112 | 112 |
| 113 void DoCheckMapCommon(Register reg, Handle<Map> map, |
| 114 CompareMapMode mode, LEnvironment* env); |
| 115 |
113 // Parallel move support. | 116 // Parallel move support. |
114 void DoParallelMove(LParallelMove* move); | 117 void DoParallelMove(LParallelMove* move); |
115 void DoGap(LGap* instr); | 118 void DoGap(LGap* instr); |
116 | 119 |
117 // Emit frame translation commands for an environment. | 120 // Emit frame translation commands for an environment. |
118 void WriteTranslation(LEnvironment* environment, Translation* translation); | 121 void WriteTranslation(LEnvironment* environment, Translation* translation); |
119 | 122 |
120 void EnsureRelocSpaceForDeoptimization(); | 123 void EnsureRelocSpaceForDeoptimization(); |
121 | 124 |
122 // Declare methods that deal with the individual node types. | 125 // Declare methods that deal with the individual node types. |
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258 void RecordSafepoint(Safepoint::DeoptMode mode); | 261 void RecordSafepoint(Safepoint::DeoptMode mode); |
259 void RecordSafepointWithRegisters(LPointerMap* pointers, | 262 void RecordSafepointWithRegisters(LPointerMap* pointers, |
260 int arguments, | 263 int arguments, |
261 Safepoint::DeoptMode mode); | 264 Safepoint::DeoptMode mode); |
262 void RecordPosition(int position); | 265 void RecordPosition(int position); |
263 | 266 |
264 static Condition TokenToCondition(Token::Value op, bool is_unsigned); | 267 static Condition TokenToCondition(Token::Value op, bool is_unsigned); |
265 void EmitGoto(int block); | 268 void EmitGoto(int block); |
266 void EmitBranch(int left_block, int right_block, Condition cc); | 269 void EmitBranch(int left_block, int right_block, Condition cc); |
267 void EmitNumberUntagD(Register input, | 270 void EmitNumberUntagD(Register input, |
| 271 Register temp, |
268 XMMRegister result, | 272 XMMRegister result, |
269 bool deoptimize_on_undefined, | 273 bool deoptimize_on_undefined, |
| 274 bool deoptimize_on_minus_zero, |
270 LEnvironment* env); | 275 LEnvironment* env); |
271 | 276 |
272 // Emits optimized code for typeof x == "y". Modifies input register. | 277 // Emits optimized code for typeof x == "y". Modifies input register. |
273 // Returns the condition on which a final split to | 278 // Returns the condition on which a final split to |
274 // true and false label should be made, to optimize fallthrough. | 279 // true and false label should be made, to optimize fallthrough. |
275 Condition EmitTypeofIs(Label* true_label, | 280 Condition EmitTypeofIs(Label* true_label, |
276 Label* false_label, | 281 Label* false_label, |
277 Register input, | 282 Register input, |
278 Handle<String> type_name); | 283 Handle<String> type_name); |
279 | 284 |
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373 : codegen_(codegen), | 378 : codegen_(codegen), |
374 external_exit_(NULL), | 379 external_exit_(NULL), |
375 instruction_index_(codegen->current_instruction_) { | 380 instruction_index_(codegen->current_instruction_) { |
376 codegen->AddDeferredCode(this); | 381 codegen->AddDeferredCode(this); |
377 } | 382 } |
378 | 383 |
379 virtual ~LDeferredCode() { } | 384 virtual ~LDeferredCode() { } |
380 virtual void Generate() = 0; | 385 virtual void Generate() = 0; |
381 virtual LInstruction* instr() = 0; | 386 virtual LInstruction* instr() = 0; |
382 | 387 |
383 void SetExit(Label *exit) { external_exit_ = exit; } | 388 void SetExit(Label* exit) { external_exit_ = exit; } |
384 Label* entry() { return &entry_; } | 389 Label* entry() { return &entry_; } |
385 Label* exit() { return external_exit_ != NULL ? external_exit_ : &exit_; } | 390 Label* exit() { return external_exit_ != NULL ? external_exit_ : &exit_; } |
386 int instruction_index() const { return instruction_index_; } | 391 int instruction_index() const { return instruction_index_; } |
387 | 392 |
388 protected: | 393 protected: |
389 LCodeGen* codegen() const { return codegen_; } | 394 LCodeGen* codegen() const { return codegen_; } |
390 MacroAssembler* masm() const { return codegen_->masm(); } | 395 MacroAssembler* masm() const { return codegen_->masm(); } |
391 | 396 |
392 private: | 397 private: |
393 LCodeGen* codegen_; | 398 LCodeGen* codegen_; |
394 Label entry_; | 399 Label entry_; |
395 Label exit_; | 400 Label exit_; |
396 Label* external_exit_; | 401 Label* external_exit_; |
397 int instruction_index_; | 402 int instruction_index_; |
398 }; | 403 }; |
399 | 404 |
400 } } // namespace v8::internal | 405 } } // namespace v8::internal |
401 | 406 |
402 #endif // V8_IA32_LITHIUM_CODEGEN_IA32_H_ | 407 #endif // V8_IA32_LITHIUM_CODEGEN_IA32_H_ |
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