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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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133 V(LoadFunctionPrototype) \ | 133 V(LoadFunctionPrototype) \ |
134 V(LoadGlobalCell) \ | 134 V(LoadGlobalCell) \ |
135 V(LoadGlobalGeneric) \ | 135 V(LoadGlobalGeneric) \ |
136 V(LoadKeyedFastDoubleElement) \ | 136 V(LoadKeyedFastDoubleElement) \ |
137 V(LoadKeyedFastElement) \ | 137 V(LoadKeyedFastElement) \ |
138 V(LoadKeyedGeneric) \ | 138 V(LoadKeyedGeneric) \ |
139 V(LoadKeyedSpecializedArrayElement) \ | 139 V(LoadKeyedSpecializedArrayElement) \ |
140 V(LoadNamedField) \ | 140 V(LoadNamedField) \ |
141 V(LoadNamedFieldPolymorphic) \ | 141 V(LoadNamedFieldPolymorphic) \ |
142 V(LoadNamedGeneric) \ | 142 V(LoadNamedGeneric) \ |
143 V(MathFloorOfDiv) \ | |
144 V(Mod) \ | 143 V(Mod) \ |
145 V(Mul) \ | 144 V(Mul) \ |
146 V(ObjectLiteral) \ | 145 V(ObjectLiteral) \ |
147 V(OsrEntry) \ | 146 V(OsrEntry) \ |
148 V(OuterContext) \ | 147 V(OuterContext) \ |
149 V(Parameter) \ | 148 V(Parameter) \ |
150 V(Power) \ | 149 V(Power) \ |
151 V(PushArgument) \ | 150 V(PushArgument) \ |
152 V(Random) \ | 151 V(Random) \ |
153 V(RegExpLiteral) \ | 152 V(RegExpLiteral) \ |
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1986 return Representation::Double(); | 1985 return Representation::Double(); |
1987 case kMathAbs: | 1986 case kMathAbs: |
1988 return representation(); | 1987 return representation(); |
1989 default: | 1988 default: |
1990 UNREACHABLE(); | 1989 UNREACHABLE(); |
1991 return Representation::None(); | 1990 return Representation::None(); |
1992 } | 1991 } |
1993 } | 1992 } |
1994 } | 1993 } |
1995 | 1994 |
1996 virtual HValue* Canonicalize(); | 1995 virtual HValue* Canonicalize() { |
| 1996 // If the input is integer32 then we replace the floor instruction |
| 1997 // with its inputs. This happens before the representation changes are |
| 1998 // introduced. |
| 1999 if (op() == kMathFloor) { |
| 2000 if (value()->representation().IsInteger32()) return value(); |
| 2001 } |
| 2002 return this; |
| 2003 } |
1997 | 2004 |
1998 BuiltinFunctionId op() const { return op_; } | 2005 BuiltinFunctionId op() const { return op_; } |
1999 const char* OpName() const; | 2006 const char* OpName() const; |
2000 | 2007 |
2001 DECLARE_CONCRETE_INSTRUCTION(UnaryMathOperation) | 2008 DECLARE_CONCRETE_INSTRUCTION(UnaryMathOperation) |
2002 | 2009 |
2003 protected: | 2010 protected: |
2004 virtual bool DataEquals(HValue* other) { | 2011 virtual bool DataEquals(HValue* other) { |
2005 HUnaryMathOperation* b = HUnaryMathOperation::cast(other); | 2012 HUnaryMathOperation* b = HUnaryMathOperation::cast(other); |
2006 return op_ == b->op(); | 2013 return op_ == b->op(); |
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2744 SetFlag(kUseGVN); | 2751 SetFlag(kUseGVN); |
2745 } | 2752 } |
2746 } | 2753 } |
2747 | 2754 |
2748 virtual HType CalculateInferredType(); | 2755 virtual HType CalculateInferredType(); |
2749 | 2756 |
2750 DECLARE_ABSTRACT_INSTRUCTION(BitwiseBinaryOperation) | 2757 DECLARE_ABSTRACT_INSTRUCTION(BitwiseBinaryOperation) |
2751 }; | 2758 }; |
2752 | 2759 |
2753 | 2760 |
2754 class HMathFloorOfDiv: public HBinaryOperation { | |
2755 public: | |
2756 HMathFloorOfDiv(HValue* context, HValue* left, HValue* right) | |
2757 : HBinaryOperation(context, left, right) { | |
2758 set_representation(Representation::Integer32()); | |
2759 SetFlag(kUseGVN); | |
2760 } | |
2761 | |
2762 virtual Representation RequiredInputRepresentation(int index) { | |
2763 return Representation::Integer32(); | |
2764 } | |
2765 | |
2766 DECLARE_CONCRETE_INSTRUCTION(MathFloorOfDiv) | |
2767 | |
2768 protected: | |
2769 virtual bool DataEquals(HValue* other) { return true; } | |
2770 }; | |
2771 | |
2772 | |
2773 class HArithmeticBinaryOperation: public HBinaryOperation { | 2761 class HArithmeticBinaryOperation: public HBinaryOperation { |
2774 public: | 2762 public: |
2775 HArithmeticBinaryOperation(HValue* context, HValue* left, HValue* right) | 2763 HArithmeticBinaryOperation(HValue* context, HValue* left, HValue* right) |
2776 : HBinaryOperation(context, left, right) { | 2764 : HBinaryOperation(context, left, right) { |
2777 set_representation(Representation::Tagged()); | 2765 set_representation(Representation::Tagged()); |
2778 SetFlag(kFlexibleRepresentation); | 2766 SetFlag(kFlexibleRepresentation); |
2779 SetAllSideEffects(); | 2767 SetAllSideEffects(); |
2780 } | 2768 } |
2781 | 2769 |
2782 virtual void RepresentationChanged(Representation to) { | 2770 virtual void RepresentationChanged(Representation to) { |
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4959 DECLARE_CONCRETE_INSTRUCTION(LoadFieldByIndex); | 4947 DECLARE_CONCRETE_INSTRUCTION(LoadFieldByIndex); |
4960 }; | 4948 }; |
4961 | 4949 |
4962 | 4950 |
4963 #undef DECLARE_INSTRUCTION | 4951 #undef DECLARE_INSTRUCTION |
4964 #undef DECLARE_CONCRETE_INSTRUCTION | 4952 #undef DECLARE_CONCRETE_INSTRUCTION |
4965 | 4953 |
4966 } } // namespace v8::internal | 4954 } } // namespace v8::internal |
4967 | 4955 |
4968 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ | 4956 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ |
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