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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) \ |
143 V(Mod) \ | 144 V(Mod) \ |
144 V(Mul) \ | 145 V(Mul) \ |
145 V(ObjectLiteral) \ | 146 V(ObjectLiteral) \ |
146 V(OsrEntry) \ | 147 V(OsrEntry) \ |
147 V(OuterContext) \ | 148 V(OuterContext) \ |
148 V(Parameter) \ | 149 V(Parameter) \ |
149 V(Power) \ | 150 V(Power) \ |
150 V(PushArgument) \ | 151 V(PushArgument) \ |
151 V(Random) \ | 152 V(Random) \ |
152 V(RegExpLiteral) \ | 153 V(RegExpLiteral) \ |
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1985 return Representation::Double(); | 1986 return Representation::Double(); |
1986 case kMathAbs: | 1987 case kMathAbs: |
1987 return representation(); | 1988 return representation(); |
1988 default: | 1989 default: |
1989 UNREACHABLE(); | 1990 UNREACHABLE(); |
1990 return Representation::None(); | 1991 return Representation::None(); |
1991 } | 1992 } |
1992 } | 1993 } |
1993 } | 1994 } |
1994 | 1995 |
1995 virtual HValue* Canonicalize() { | 1996 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 } | |
2004 | 1997 |
2005 BuiltinFunctionId op() const { return op_; } | 1998 BuiltinFunctionId op() const { return op_; } |
2006 const char* OpName() const; | 1999 const char* OpName() const; |
2007 | 2000 |
2008 DECLARE_CONCRETE_INSTRUCTION(UnaryMathOperation) | 2001 DECLARE_CONCRETE_INSTRUCTION(UnaryMathOperation) |
2009 | 2002 |
2010 protected: | 2003 protected: |
2011 virtual bool DataEquals(HValue* other) { | 2004 virtual bool DataEquals(HValue* other) { |
2012 HUnaryMathOperation* b = HUnaryMathOperation::cast(other); | 2005 HUnaryMathOperation* b = HUnaryMathOperation::cast(other); |
2013 return op_ == b->op(); | 2006 return op_ == b->op(); |
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2751 SetFlag(kUseGVN); | 2744 SetFlag(kUseGVN); |
2752 } | 2745 } |
2753 } | 2746 } |
2754 | 2747 |
2755 virtual HType CalculateInferredType(); | 2748 virtual HType CalculateInferredType(); |
2756 | 2749 |
2757 DECLARE_ABSTRACT_INSTRUCTION(BitwiseBinaryOperation) | 2750 DECLARE_ABSTRACT_INSTRUCTION(BitwiseBinaryOperation) |
2758 }; | 2751 }; |
2759 | 2752 |
2760 | 2753 |
| 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 |
2761 class HArithmeticBinaryOperation: public HBinaryOperation { | 2773 class HArithmeticBinaryOperation: public HBinaryOperation { |
2762 public: | 2774 public: |
2763 HArithmeticBinaryOperation(HValue* context, HValue* left, HValue* right) | 2775 HArithmeticBinaryOperation(HValue* context, HValue* left, HValue* right) |
2764 : HBinaryOperation(context, left, right) { | 2776 : HBinaryOperation(context, left, right) { |
2765 set_representation(Representation::Tagged()); | 2777 set_representation(Representation::Tagged()); |
2766 SetFlag(kFlexibleRepresentation); | 2778 SetFlag(kFlexibleRepresentation); |
2767 SetAllSideEffects(); | 2779 SetAllSideEffects(); |
2768 } | 2780 } |
2769 | 2781 |
2770 virtual void RepresentationChanged(Representation to) { | 2782 virtual void RepresentationChanged(Representation to) { |
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4947 DECLARE_CONCRETE_INSTRUCTION(LoadFieldByIndex); | 4959 DECLARE_CONCRETE_INSTRUCTION(LoadFieldByIndex); |
4948 }; | 4960 }; |
4949 | 4961 |
4950 | 4962 |
4951 #undef DECLARE_INSTRUCTION | 4963 #undef DECLARE_INSTRUCTION |
4952 #undef DECLARE_CONCRETE_INSTRUCTION | 4964 #undef DECLARE_CONCRETE_INSTRUCTION |
4953 | 4965 |
4954 } } // namespace v8::internal | 4966 } } // namespace v8::internal |
4955 | 4967 |
4956 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ | 4968 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ |
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