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1 // Copyright 2012 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 |
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245 | 245 |
246 void set_pointer_map(LPointerMap* p) { pointer_map_.set(p); } | 246 void set_pointer_map(LPointerMap* p) { pointer_map_.set(p); } |
247 LPointerMap* pointer_map() const { return pointer_map_.get(); } | 247 LPointerMap* pointer_map() const { return pointer_map_.get(); } |
248 bool HasPointerMap() const { return pointer_map_.is_set(); } | 248 bool HasPointerMap() const { return pointer_map_.is_set(); } |
249 | 249 |
250 void set_hydrogen_value(HValue* value) { hydrogen_value_ = value; } | 250 void set_hydrogen_value(HValue* value) { hydrogen_value_ = value; } |
251 HValue* hydrogen_value() const { return hydrogen_value_; } | 251 HValue* hydrogen_value() const { return hydrogen_value_; } |
252 | 252 |
253 void MarkAsCall() { is_call_ = true; } | 253 void MarkAsCall() { is_call_ = true; } |
254 | 254 |
255 // Interface to the register allocator and iterators. | |
256 bool ClobbersTemps() const { return is_call_; } | |
257 bool ClobbersRegisters() const { return is_call_; } | |
258 bool ClobbersDoubleRegisters() const { return is_call_; } | |
259 | |
260 virtual void SetDeferredLazyDeoptimizationEnvironment(LEnvironment* env) { } | 255 virtual void SetDeferredLazyDeoptimizationEnvironment(LEnvironment* env) { } |
261 | 256 |
262 // Interface to the register allocator and iterators. | 257 // Interface to the register allocator and iterators. |
263 bool IsMarkedAsCall() const { return is_call_; } | 258 bool IsMarkedAsCall() const { return is_call_; } |
264 | 259 |
265 virtual bool HasResult() const = 0; | 260 virtual bool HasResult() const = 0; |
266 virtual LOperand* result() = 0; | 261 virtual LOperand* result() = 0; |
267 | 262 |
268 LOperand* FirstInput() { return InputAt(0); } | 263 LOperand* FirstInput() { return InputAt(0); } |
269 LOperand* Output() { return HasResult() ? result() : NULL; } | 264 LOperand* Output() { return HasResult() ? result() : NULL; } |
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2289 | 2284 |
2290 void MarkSpilledRegister(int allocation_index, LOperand* spill_operand); | 2285 void MarkSpilledRegister(int allocation_index, LOperand* spill_operand); |
2291 void MarkSpilledDoubleRegister(int allocation_index, | 2286 void MarkSpilledDoubleRegister(int allocation_index, |
2292 LOperand* spill_operand); | 2287 LOperand* spill_operand); |
2293 | 2288 |
2294 private: | 2289 private: |
2295 // Arrays of spill slot operands for registers with an assigned spill | 2290 // Arrays of spill slot operands for registers with an assigned spill |
2296 // slot, i.e., that must also be restored to the spill slot on OSR entry. | 2291 // slot, i.e., that must also be restored to the spill slot on OSR entry. |
2297 // NULL if the register has no assigned spill slot. Indexed by allocation | 2292 // NULL if the register has no assigned spill slot. Indexed by allocation |
2298 // index. | 2293 // index. |
2299 LOperand* register_spills_[Register::kMaxNumAllocatableRegisters]; | 2294 LOperand* register_spills_[Register::kNumAllocatableRegisters]; |
2300 LOperand* double_register_spills_[ | 2295 LOperand* double_register_spills_[DoubleRegister::kNumAllocatableRegisters]; |
2301 DoubleRegister::kMaxNumAllocatableRegisters]; | |
2302 }; | 2296 }; |
2303 | 2297 |
2304 | 2298 |
2305 class LStackCheck: public LTemplateInstruction<0, 0, 0> { | 2299 class LStackCheck: public LTemplateInstruction<0, 0, 0> { |
2306 public: | 2300 public: |
2307 DECLARE_CONCRETE_INSTRUCTION(StackCheck, "stack-check") | 2301 DECLARE_CONCRETE_INSTRUCTION(StackCheck, "stack-check") |
2308 DECLARE_HYDROGEN_ACCESSOR(StackCheck) | 2302 DECLARE_HYDROGEN_ACCESSOR(StackCheck) |
2309 | 2303 |
2310 Label* done_label() { return &done_label_; } | 2304 Label* done_label() { return &done_label_; } |
2311 | 2305 |
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2537 | 2531 |
2538 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); | 2532 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); |
2539 }; | 2533 }; |
2540 | 2534 |
2541 #undef DECLARE_HYDROGEN_ACCESSOR | 2535 #undef DECLARE_HYDROGEN_ACCESSOR |
2542 #undef DECLARE_CONCRETE_INSTRUCTION | 2536 #undef DECLARE_CONCRETE_INSTRUCTION |
2543 | 2537 |
2544 } } // namespace v8::int | 2538 } } // namespace v8::int |
2545 | 2539 |
2546 #endif // V8_X64_LITHIUM_X64_H_ | 2540 #endif // V8_X64_LITHIUM_X64_H_ |
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