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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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5061 if (object->IsAllocate()) { | 5061 if (object->IsAllocate()) { |
5062 return !HAllocate::cast(object)->GuaranteedInNewSpace(); | 5062 return !HAllocate::cast(object)->GuaranteedInNewSpace(); |
5063 } | 5063 } |
5064 return true; | 5064 return true; |
5065 } | 5065 } |
5066 | 5066 |
5067 | 5067 |
5068 class HStoreGlobalCell: public HUnaryOperation { | 5068 class HStoreGlobalCell: public HUnaryOperation { |
5069 public: | 5069 public: |
5070 HStoreGlobalCell(HValue* value, | 5070 HStoreGlobalCell(HValue* value, |
5071 Handle<JSGlobalPropertyCell> cell, | 5071 Handle<PropertyCell> cell, |
5072 PropertyDetails details) | 5072 PropertyDetails details) |
5073 : HUnaryOperation(value), | 5073 : HUnaryOperation(value), |
5074 cell_(cell), | 5074 cell_(cell), |
5075 details_(details) { | 5075 details_(details) { |
5076 SetGVNFlag(kChangesGlobalVars); | 5076 SetGVNFlag(kChangesGlobalVars); |
5077 } | 5077 } |
5078 | 5078 |
5079 Handle<JSGlobalPropertyCell> cell() const { return cell_; } | 5079 Handle<PropertyCell> cell() const { return cell_; } |
5080 bool RequiresHoleCheck() { | 5080 bool RequiresHoleCheck() { |
5081 return !details_.IsDontDelete() || details_.IsReadOnly(); | 5081 return !details_.IsDontDelete() || details_.IsReadOnly(); |
5082 } | 5082 } |
5083 bool NeedsWriteBarrier() { | 5083 bool NeedsWriteBarrier() { |
5084 return StoringValueNeedsWriteBarrier(value()); | 5084 return StoringValueNeedsWriteBarrier(value()); |
5085 } | 5085 } |
5086 | 5086 |
5087 virtual Representation RequiredInputRepresentation(int index) { | 5087 virtual Representation RequiredInputRepresentation(int index) { |
5088 return Representation::Tagged(); | 5088 return Representation::Tagged(); |
5089 } | 5089 } |
5090 virtual void PrintDataTo(StringStream* stream); | 5090 virtual void PrintDataTo(StringStream* stream); |
5091 | 5091 |
5092 DECLARE_CONCRETE_INSTRUCTION(StoreGlobalCell) | 5092 DECLARE_CONCRETE_INSTRUCTION(StoreGlobalCell) |
5093 | 5093 |
5094 private: | 5094 private: |
5095 Handle<JSGlobalPropertyCell> cell_; | 5095 Handle<PropertyCell> cell_; |
5096 PropertyDetails details_; | 5096 PropertyDetails details_; |
5097 }; | 5097 }; |
5098 | 5098 |
5099 | 5099 |
5100 class HStoreGlobalGeneric: public HTemplateInstruction<3> { | 5100 class HStoreGlobalGeneric: public HTemplateInstruction<3> { |
5101 public: | 5101 public: |
5102 HStoreGlobalGeneric(HValue* context, | 5102 HStoreGlobalGeneric(HValue* context, |
5103 HValue* global_object, | 5103 HValue* global_object, |
5104 Handle<Object> name, | 5104 Handle<Object> name, |
5105 HValue* value, | 5105 HValue* value, |
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6608 virtual bool IsDeletable() const { return true; } | 6608 virtual bool IsDeletable() const { return true; } |
6609 }; | 6609 }; |
6610 | 6610 |
6611 | 6611 |
6612 #undef DECLARE_INSTRUCTION | 6612 #undef DECLARE_INSTRUCTION |
6613 #undef DECLARE_CONCRETE_INSTRUCTION | 6613 #undef DECLARE_CONCRETE_INSTRUCTION |
6614 | 6614 |
6615 } } // namespace v8::internal | 6615 } } // namespace v8::internal |
6616 | 6616 |
6617 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ | 6617 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ |
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