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Side by Side Diff: src/x64/lithium-codegen-x64.h

Issue 8404030: Version 3.7.1 (Closed) Base URL: http://v8.googlecode.com/svn/trunk/
Patch Set: Created 9 years, 1 month ago
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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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70 CompilationInfo* info() const { return info_; } 70 CompilationInfo* info() const { return info_; }
71 Isolate* isolate() const { return info_->isolate(); } 71 Isolate* isolate() const { return info_->isolate(); }
72 Factory* factory() const { return isolate()->factory(); } 72 Factory* factory() const { return isolate()->factory(); }
73 Heap* heap() const { return isolate()->heap(); } 73 Heap* heap() const { return isolate()->heap(); }
74 74
75 // Support for converting LOperands to assembler types. 75 // Support for converting LOperands to assembler types.
76 Register ToRegister(LOperand* op) const; 76 Register ToRegister(LOperand* op) const;
77 XMMRegister ToDoubleRegister(LOperand* op) const; 77 XMMRegister ToDoubleRegister(LOperand* op) const;
78 bool IsInteger32Constant(LConstantOperand* op) const; 78 bool IsInteger32Constant(LConstantOperand* op) const;
79 int ToInteger32(LConstantOperand* op) const; 79 int ToInteger32(LConstantOperand* op) const;
80 double ToDouble(LConstantOperand* op) const;
80 bool IsTaggedConstant(LConstantOperand* op) const; 81 bool IsTaggedConstant(LConstantOperand* op) const;
81 Handle<Object> ToHandle(LConstantOperand* op) const; 82 Handle<Object> ToHandle(LConstantOperand* op) const;
82 Operand ToOperand(LOperand* op) const; 83 Operand ToOperand(LOperand* op) const;
83 84
84 // Try to generate code for the entire chunk, but it may fail if the 85 // Try to generate code for the entire chunk, but it may fail if the
85 // chunk contains constructs we cannot handle. Returns true if the 86 // chunk contains constructs we cannot handle. Returns true if the
86 // code generation attempt succeeded. 87 // code generation attempt succeeded.
87 bool GenerateCode(); 88 bool GenerateCode();
88 89
89 // Finish the code by setting stack height, safepoint, and bailout 90 // Finish the code by setting stack height, safepoint, and bailout
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118 GENERATING, 119 GENERATING,
119 DONE, 120 DONE,
120 ABORTED 121 ABORTED
121 }; 122 };
122 123
123 bool is_unused() const { return status_ == UNUSED; } 124 bool is_unused() const { return status_ == UNUSED; }
124 bool is_generating() const { return status_ == GENERATING; } 125 bool is_generating() const { return status_ == GENERATING; }
125 bool is_done() const { return status_ == DONE; } 126 bool is_done() const { return status_ == DONE; }
126 bool is_aborted() const { return status_ == ABORTED; } 127 bool is_aborted() const { return status_ == ABORTED; }
127 128
128 int strict_mode_flag() const { 129 StrictModeFlag strict_mode_flag() const {
129 return info()->is_strict_mode() ? kStrictMode : kNonStrictMode; 130 return info()->strict_mode_flag();
130 } 131 }
131 132
132 LChunk* chunk() const { return chunk_; } 133 LChunk* chunk() const { return chunk_; }
133 Scope* scope() const { return scope_; } 134 Scope* scope() const { return scope_; }
134 HGraph* graph() const { return chunk_->graph(); } 135 HGraph* graph() const { return chunk_->graph(); }
135 136
136 int GetNextEmittedBlock(int block); 137 int GetNextEmittedBlock(int block);
137 LInstruction* GetNextInstruction(); 138 LInstruction* GetNextInstruction();
138 139
139 void EmitClassOfTest(Label* if_true, 140 void EmitClassOfTest(Label* if_true,
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183 int num_arguments, 184 int num_arguments,
184 LInstruction* instr) { 185 LInstruction* instr) {
185 const Runtime::Function* function = Runtime::FunctionForId(id); 186 const Runtime::Function* function = Runtime::FunctionForId(id);
186 CallRuntime(function, num_arguments, instr); 187 CallRuntime(function, num_arguments, instr);
187 } 188 }
188 189
189 void CallRuntimeFromDeferred(Runtime::FunctionId id, 190 void CallRuntimeFromDeferred(Runtime::FunctionId id,
190 int argc, 191 int argc,
191 LInstruction* instr); 192 LInstruction* instr);
192 193
193
194 // Generate a direct call to a known function. Expects the function 194 // Generate a direct call to a known function. Expects the function
195 // to be in edi. 195 // to be in rdi.
196 void CallKnownFunction(Handle<JSFunction> function, 196 void CallKnownFunction(Handle<JSFunction> function,
197 int arity, 197 int arity,
198 LInstruction* instr, 198 LInstruction* instr,
199 CallKind call_kind); 199 CallKind call_kind);
200 200
201 void LoadHeapObject(Register result, Handle<HeapObject> object); 201 void LoadHeapObject(Register result, Handle<HeapObject> object);
202 202
203 void RegisterLazyDeoptimization(LInstruction* instr, 203 void RegisterLazyDeoptimization(LInstruction* instr,
204 SafepointMode safepoint_mode, 204 SafepointMode safepoint_mode,
205 int argc); 205 int argc);
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244 int arguments, 244 int arguments,
245 int deoptimization_index); 245 int deoptimization_index);
246 void RecordPosition(int position); 246 void RecordPosition(int position);
247 int LastSafepointEnd() { 247 int LastSafepointEnd() {
248 return static_cast<int>(safepoints_.GetPcAfterGap()); 248 return static_cast<int>(safepoints_.GetPcAfterGap());
249 } 249 }
250 250
251 static Condition TokenToCondition(Token::Value op, bool is_unsigned); 251 static Condition TokenToCondition(Token::Value op, bool is_unsigned);
252 void EmitGoto(int block); 252 void EmitGoto(int block);
253 void EmitBranch(int left_block, int right_block, Condition cc); 253 void EmitBranch(int left_block, int right_block, Condition cc);
254 void EmitCmpI(LOperand* left, LOperand* right);
255 void EmitNumberUntagD(Register input, 254 void EmitNumberUntagD(Register input,
256 XMMRegister result, 255 XMMRegister result,
257 bool deoptimize_on_undefined, 256 bool deoptimize_on_undefined,
258 LEnvironment* env); 257 LEnvironment* env);
259 258
260 // Emits optimized code for typeof x == "y". Modifies input register. 259 // Emits optimized code for typeof x == "y". Modifies input register.
261 // Returns the condition on which a final split to 260 // Returns the condition on which a final split to
262 // true and false label should be made, to optimize fallthrough. 261 // true and false label should be made, to optimize fallthrough.
263 Condition EmitTypeofIs(Label* true_label, Label* false_label, 262 Condition EmitTypeofIs(Label* true_label,
264 Register input, Handle<String> type_name); 263 Label* false_label,
264 Register input,
265 Handle<String> type_name);
265 266
266 // Emits optimized code for %_IsObject(x). Preserves input register. 267 // Emits optimized code for %_IsObject(x). Preserves input register.
267 // Returns the condition on which a final split to 268 // Returns the condition on which a final split to
268 // true and false label should be made, to optimize fallthrough. 269 // true and false label should be made, to optimize fallthrough.
269 Condition EmitIsObject(Register input, 270 Condition EmitIsObject(Register input,
270 Label* is_not_object, 271 Label* is_not_object,
271 Label* is_object); 272 Label* is_object);
272 273
273 // Emits optimized code for %_IsConstructCall(). 274 // Emits optimized code for %_IsConstructCall().
274 // Caller should branch on equal condition. 275 // Caller should branch on equal condition.
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369 LCodeGen* codegen_; 370 LCodeGen* codegen_;
370 Label entry_; 371 Label entry_;
371 Label exit_; 372 Label exit_;
372 Label* external_exit_; 373 Label* external_exit_;
373 int instruction_index_; 374 int instruction_index_;
374 }; 375 };
375 376
376 } } // namespace v8::internal 377 } } // namespace v8::internal
377 378
378 #endif // V8_X64_LITHIUM_CODEGEN_X64_H_ 379 #endif // V8_X64_LITHIUM_CODEGEN_X64_H_
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