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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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1923 return Representation::Double(); | 1924 return Representation::Double(); |
1924 case kMathAbs: | 1925 case kMathAbs: |
1925 return representation(); | 1926 return representation(); |
1926 default: | 1927 default: |
1927 UNREACHABLE(); | 1928 UNREACHABLE(); |
1928 return Representation::None(); | 1929 return Representation::None(); |
1929 } | 1930 } |
1930 } | 1931 } |
1931 } | 1932 } |
1932 | 1933 |
1933 virtual HValue* Canonicalize() { | 1934 virtual HValue* Canonicalize(); |
1934 // If the input is integer32 then we replace the floor instruction | |
1935 // with its inputs. This happens before the representation changes are | |
1936 // introduced. | |
1937 if (op() == kMathFloor) { | |
1938 if (value()->representation().IsInteger32()) return value(); | |
1939 } | |
1940 return this; | |
1941 } | |
1942 | 1935 |
1943 BuiltinFunctionId op() const { return op_; } | 1936 BuiltinFunctionId op() const { return op_; } |
1944 const char* OpName() const; | 1937 const char* OpName() const; |
1945 | 1938 |
1946 DECLARE_CONCRETE_INSTRUCTION(UnaryMathOperation) | 1939 DECLARE_CONCRETE_INSTRUCTION(UnaryMathOperation) |
1947 | 1940 |
1948 protected: | 1941 protected: |
1949 virtual bool DataEquals(HValue* other) { | 1942 virtual bool DataEquals(HValue* other) { |
1950 HUnaryMathOperation* b = HUnaryMathOperation::cast(other); | 1943 HUnaryMathOperation* b = HUnaryMathOperation::cast(other); |
1951 return op_ == b->op(); | 1944 return op_ == b->op(); |
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2685 SetFlag(kUseGVN); | 2678 SetFlag(kUseGVN); |
2686 } | 2679 } |
2687 } | 2680 } |
2688 | 2681 |
2689 virtual HType CalculateInferredType(); | 2682 virtual HType CalculateInferredType(); |
2690 | 2683 |
2691 DECLARE_ABSTRACT_INSTRUCTION(BitwiseBinaryOperation) | 2684 DECLARE_ABSTRACT_INSTRUCTION(BitwiseBinaryOperation) |
2692 }; | 2685 }; |
2693 | 2686 |
2694 | 2687 |
| 2688 class HMathFloorOfDiv: public HBinaryOperation { |
| 2689 public: |
| 2690 HMathFloorOfDiv(HValue* context, HValue* left, HValue* right) |
| 2691 : HBinaryOperation(context, left, right) { |
| 2692 set_representation(Representation::Integer32()); |
| 2693 SetFlag(kUseGVN); |
| 2694 } |
| 2695 |
| 2696 virtual Representation RequiredInputRepresentation(int index) { |
| 2697 return Representation::Integer32(); |
| 2698 } |
| 2699 |
| 2700 DECLARE_CONCRETE_INSTRUCTION(MathFloorOfDiv) |
| 2701 |
| 2702 protected: |
| 2703 virtual bool DataEquals(HValue* other) { return true; } |
| 2704 }; |
| 2705 |
| 2706 |
2695 class HArithmeticBinaryOperation: public HBinaryOperation { | 2707 class HArithmeticBinaryOperation: public HBinaryOperation { |
2696 public: | 2708 public: |
2697 HArithmeticBinaryOperation(HValue* context, HValue* left, HValue* right) | 2709 HArithmeticBinaryOperation(HValue* context, HValue* left, HValue* right) |
2698 : HBinaryOperation(context, left, right) { | 2710 : HBinaryOperation(context, left, right) { |
2699 set_representation(Representation::Tagged()); | 2711 set_representation(Representation::Tagged()); |
2700 SetFlag(kFlexibleRepresentation); | 2712 SetFlag(kFlexibleRepresentation); |
2701 SetAllSideEffects(); | 2713 SetAllSideEffects(); |
2702 } | 2714 } |
2703 | 2715 |
2704 virtual void RepresentationChanged(Representation to) { | 2716 virtual void RepresentationChanged(Representation to) { |
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4849 DECLARE_CONCRETE_INSTRUCTION(LoadFieldByIndex); | 4861 DECLARE_CONCRETE_INSTRUCTION(LoadFieldByIndex); |
4850 }; | 4862 }; |
4851 | 4863 |
4852 | 4864 |
4853 #undef DECLARE_INSTRUCTION | 4865 #undef DECLARE_INSTRUCTION |
4854 #undef DECLARE_CONCRETE_INSTRUCTION | 4866 #undef DECLARE_CONCRETE_INSTRUCTION |
4855 | 4867 |
4856 } } // namespace v8::internal | 4868 } } // namespace v8::internal |
4857 | 4869 |
4858 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ | 4870 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ |
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