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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_ARM_LITHIUM_ARM_H_ | 5 #ifndef V8_ARM_LITHIUM_ARM_H_ |
6 #define V8_ARM_LITHIUM_ARM_H_ | 6 #define V8_ARM_LITHIUM_ARM_H_ |
7 | 7 |
8 #include "hydrogen.h" | 8 #include "hydrogen.h" |
9 #include "lithium-allocator.h" | 9 #include "lithium-allocator.h" |
10 #include "lithium.h" | 10 #include "lithium.h" |
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232 HValue* hydrogen_value() const { return hydrogen_value_; } | 232 HValue* hydrogen_value() const { return hydrogen_value_; } |
233 | 233 |
234 virtual void SetDeferredLazyDeoptimizationEnvironment(LEnvironment* env) { } | 234 virtual void SetDeferredLazyDeoptimizationEnvironment(LEnvironment* env) { } |
235 | 235 |
236 void MarkAsCall() { bit_field_ = IsCallBits::update(bit_field_, true); } | 236 void MarkAsCall() { bit_field_ = IsCallBits::update(bit_field_, true); } |
237 bool IsCall() const { return IsCallBits::decode(bit_field_); } | 237 bool IsCall() const { return IsCallBits::decode(bit_field_); } |
238 | 238 |
239 // Interface to the register allocator and iterators. | 239 // Interface to the register allocator and iterators. |
240 bool ClobbersTemps() const { return IsCall(); } | 240 bool ClobbersTemps() const { return IsCall(); } |
241 bool ClobbersRegisters() const { return IsCall(); } | 241 bool ClobbersRegisters() const { return IsCall(); } |
242 virtual bool ClobbersDoubleRegisters() const { return IsCall(); } | 242 virtual bool ClobbersDoubleRegisters(Isolate* isolate) const V8_OVERRIDE { |
| 243 return IsCall(); |
| 244 } |
243 | 245 |
244 // Interface to the register allocator and iterators. | 246 // Interface to the register allocator and iterators. |
245 bool IsMarkedAsCall() const { return IsCall(); } | 247 bool IsMarkedAsCall() const { return IsCall(); } |
246 | 248 |
247 virtual bool HasResult() const = 0; | 249 virtual bool HasResult() const = 0; |
248 virtual LOperand* result() const = 0; | 250 virtual LOperand* result() const = 0; |
249 | 251 |
250 LOperand* FirstInput() { return InputAt(0); } | 252 LOperand* FirstInput() { return InputAt(0); } |
251 LOperand* Output() { return HasResult() ? result() : NULL; } | 253 LOperand* Output() { return HasResult() ? result() : NULL; } |
252 | 254 |
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1956 public: | 1958 public: |
1957 explicit LCallRuntime(LOperand* context) { | 1959 explicit LCallRuntime(LOperand* context) { |
1958 inputs_[0] = context; | 1960 inputs_[0] = context; |
1959 } | 1961 } |
1960 | 1962 |
1961 LOperand* context() { return inputs_[0]; } | 1963 LOperand* context() { return inputs_[0]; } |
1962 | 1964 |
1963 DECLARE_CONCRETE_INSTRUCTION(CallRuntime, "call-runtime") | 1965 DECLARE_CONCRETE_INSTRUCTION(CallRuntime, "call-runtime") |
1964 DECLARE_HYDROGEN_ACCESSOR(CallRuntime) | 1966 DECLARE_HYDROGEN_ACCESSOR(CallRuntime) |
1965 | 1967 |
1966 virtual bool ClobbersDoubleRegisters() const V8_OVERRIDE { | 1968 virtual bool ClobbersDoubleRegisters(Isolate* isolate) const V8_OVERRIDE { |
1967 return save_doubles() == kDontSaveFPRegs; | 1969 return save_doubles() == kDontSaveFPRegs; |
1968 } | 1970 } |
1969 | 1971 |
1970 const Runtime::Function* function() const { return hydrogen()->function(); } | 1972 const Runtime::Function* function() const { return hydrogen()->function(); } |
1971 int arity() const { return hydrogen()->argument_count(); } | 1973 int arity() const { return hydrogen()->argument_count(); } |
1972 SaveFPRegsMode save_doubles() const { return hydrogen()->save_doubles(); } | 1974 SaveFPRegsMode save_doubles() const { return hydrogen()->save_doubles(); } |
1973 }; | 1975 }; |
1974 | 1976 |
1975 | 1977 |
1976 class LInteger32ToDouble V8_FINAL : public LTemplateInstruction<1, 1, 0> { | 1978 class LInteger32ToDouble V8_FINAL : public LTemplateInstruction<1, 1, 0> { |
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2684 : LChunkBuilderBase(graph->zone()), | 2686 : LChunkBuilderBase(graph->zone()), |
2685 chunk_(NULL), | 2687 chunk_(NULL), |
2686 info_(info), | 2688 info_(info), |
2687 graph_(graph), | 2689 graph_(graph), |
2688 status_(UNUSED), | 2690 status_(UNUSED), |
2689 current_instruction_(NULL), | 2691 current_instruction_(NULL), |
2690 current_block_(NULL), | 2692 current_block_(NULL), |
2691 next_block_(NULL), | 2693 next_block_(NULL), |
2692 allocator_(allocator) { } | 2694 allocator_(allocator) { } |
2693 | 2695 |
| 2696 Isolate* isolate() const { return graph_->isolate(); } |
| 2697 |
2694 // Build the sequence for the graph. | 2698 // Build the sequence for the graph. |
2695 LPlatformChunk* Build(); | 2699 LPlatformChunk* Build(); |
2696 | 2700 |
2697 LInstruction* CheckElideControlInstruction(HControlInstruction* instr); | 2701 LInstruction* CheckElideControlInstruction(HControlInstruction* instr); |
2698 | 2702 |
2699 // Declare methods that deal with the individual node types. | 2703 // Declare methods that deal with the individual node types. |
2700 #define DECLARE_DO(type) LInstruction* Do##type(H##type* node); | 2704 #define DECLARE_DO(type) LInstruction* Do##type(H##type* node); |
2701 HYDROGEN_CONCRETE_INSTRUCTION_LIST(DECLARE_DO) | 2705 HYDROGEN_CONCRETE_INSTRUCTION_LIST(DECLARE_DO) |
2702 #undef DECLARE_DO | 2706 #undef DECLARE_DO |
2703 | 2707 |
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2837 | 2841 |
2838 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); | 2842 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); |
2839 }; | 2843 }; |
2840 | 2844 |
2841 #undef DECLARE_HYDROGEN_ACCESSOR | 2845 #undef DECLARE_HYDROGEN_ACCESSOR |
2842 #undef DECLARE_CONCRETE_INSTRUCTION | 2846 #undef DECLARE_CONCRETE_INSTRUCTION |
2843 | 2847 |
2844 } } // namespace v8::internal | 2848 } } // namespace v8::internal |
2845 | 2849 |
2846 #endif // V8_ARM_LITHIUM_ARM_H_ | 2850 #endif // V8_ARM_LITHIUM_ARM_H_ |
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