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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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87 bool GenerateCode(); | 87 bool GenerateCode(); |
88 | 88 |
89 // Finish the code by setting stack height, safepoint, and bailout | 89 // Finish the code by setting stack height, safepoint, and bailout |
90 // information on it. | 90 // information on it. |
91 void FinishCode(Handle<Code> code); | 91 void FinishCode(Handle<Code> code); |
92 | 92 |
93 // Deferred code support. | 93 // Deferred code support. |
94 void DoDeferredNumberTagD(LNumberTagD* instr); | 94 void DoDeferredNumberTagD(LNumberTagD* instr); |
95 void DoDeferredTaggedToI(LTaggedToI* instr); | 95 void DoDeferredTaggedToI(LTaggedToI* instr); |
96 void DoDeferredMathAbsTaggedHeapNumber(LUnaryMathOperation* instr); | 96 void DoDeferredMathAbsTaggedHeapNumber(LUnaryMathOperation* instr); |
97 void DoDeferredStackCheck(LGoto* instr); | 97 void DoDeferredStackCheck(LStackCheck* instr); |
98 void DoDeferredStringCharCodeAt(LStringCharCodeAt* instr); | 98 void DoDeferredStringCharCodeAt(LStringCharCodeAt* instr); |
99 void DoDeferredStringCharFromCode(LStringCharFromCode* instr); | 99 void DoDeferredStringCharFromCode(LStringCharFromCode* instr); |
100 void DoDeferredLInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr, | 100 void DoDeferredLInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr, |
101 Label* map_check); | 101 Label* map_check); |
102 | 102 |
103 // Parallel move support. | 103 // Parallel move support. |
104 void DoParallelMove(LParallelMove* move); | 104 void DoParallelMove(LParallelMove* move); |
105 void DoGap(LGap* instr); | 105 void DoGap(LGap* instr); |
106 | 106 |
107 // Emit frame translation commands for an environment. | 107 // Emit frame translation commands for an environment. |
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240 void RecordSafepoint(int deoptimization_index); | 240 void RecordSafepoint(int deoptimization_index); |
241 void RecordSafepointWithRegisters(LPointerMap* pointers, | 241 void RecordSafepointWithRegisters(LPointerMap* pointers, |
242 int arguments, | 242 int arguments, |
243 int deoptimization_index); | 243 int deoptimization_index); |
244 void RecordPosition(int position); | 244 void RecordPosition(int position); |
245 int LastSafepointEnd() { | 245 int LastSafepointEnd() { |
246 return static_cast<int>(safepoints_.GetPcAfterGap()); | 246 return static_cast<int>(safepoints_.GetPcAfterGap()); |
247 } | 247 } |
248 | 248 |
249 static Condition TokenToCondition(Token::Value op, bool is_unsigned); | 249 static Condition TokenToCondition(Token::Value op, bool is_unsigned); |
250 void EmitGoto(int block, LDeferredCode* deferred_stack_check = NULL); | 250 void EmitGoto(int block); |
251 void EmitBranch(int left_block, int right_block, Condition cc); | 251 void EmitBranch(int left_block, int right_block, Condition cc); |
252 void EmitCmpI(LOperand* left, LOperand* right); | 252 void EmitCmpI(LOperand* left, LOperand* right); |
253 void EmitNumberUntagD(Register input, | 253 void EmitNumberUntagD(Register input, |
254 XMMRegister result, | 254 XMMRegister result, |
255 bool deoptimize_on_undefined, | 255 bool deoptimize_on_undefined, |
256 LEnvironment* env); | 256 LEnvironment* env); |
257 | 257 |
258 // Emits optimized code for typeof x == "y". Modifies input register. | 258 // Emits optimized code for typeof x == "y". Modifies input register. |
259 // Returns the condition on which a final split to | 259 // Returns the condition on which a final split to |
260 // true and false label should be made, to optimize fallthrough. | 260 // true and false label should be made, to optimize fallthrough. |
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362 private: | 362 private: |
363 LCodeGen* codegen_; | 363 LCodeGen* codegen_; |
364 Label entry_; | 364 Label entry_; |
365 Label exit_; | 365 Label exit_; |
366 Label* external_exit_; | 366 Label* external_exit_; |
367 }; | 367 }; |
368 | 368 |
369 } } // namespace v8::internal | 369 } } // namespace v8::internal |
370 | 370 |
371 #endif // V8_X64_LITHIUM_CODEGEN_X64_H_ | 371 #endif // V8_X64_LITHIUM_CODEGEN_X64_H_ |
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