55 }; 56 57 58 class OverflowLNode : public OverflowNode { 59 public: 60 typedef TypeLong TypeClass; 61 62 OverflowLNode(Node* in1, Node* in2) : OverflowNode(in1, in2) {} 63 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape); 64 virtual const Type* Value(PhaseGVN* phase) const; 65 66 virtual bool will_overflow(jlong v1, jlong v2) const = 0; 67 virtual bool can_overflow(const Type* t1, const Type* t2) const = 0; 68 }; 69 70 class OverflowAddINode : public OverflowINode { 71 public: 72 typedef AddINode MathOp; 73 74 OverflowAddINode(Node* in1, Node* in2) : OverflowINode(in1, in2) {} 75 virtual int Opcode() const; 76 77 virtual bool will_overflow(jint v1, jint v2) const; 78 virtual bool can_overflow(const Type* t1, const Type* t2) const; 79 }; 80 81 class OverflowSubINode : public OverflowINode { 82 public: 83 typedef SubINode MathOp; 84 85 OverflowSubINode(Node* in1, Node* in2) : OverflowINode(in1, in2) {} 86 virtual int Opcode() const; 87 88 virtual bool will_overflow(jint v1, jint v2) const; 89 virtual bool can_overflow(const Type* t1, const Type* t2) const; 90 }; 91 92 class OverflowMulINode : public OverflowINode { 93 public: 94 typedef MulINode MathOp; 95 96 OverflowMulINode(Node* in1, Node* in2) : OverflowINode(in1, in2) {} 97 virtual int Opcode() const; 98 99 virtual bool will_overflow(jint v1, jint v2) const; 100 virtual bool can_overflow(const Type* t1, const Type* t2) const; 101 }; 102 103 class OverflowAddLNode : public OverflowLNode { 104 public: 105 typedef AddLNode MathOp; 106 107 OverflowAddLNode(Node* in1, Node* in2) : OverflowLNode(in1, in2) {} 108 virtual int Opcode() const; 109 110 virtual bool will_overflow(jlong v1, jlong v2) const; 111 virtual bool can_overflow(const Type* t1, const Type* t2) const; 112 }; 113 114 class OverflowSubLNode : public OverflowLNode { 115 public: 116 typedef SubLNode MathOp; 117 118 OverflowSubLNode(Node* in1, Node* in2) : OverflowLNode(in1, in2) {} 119 virtual int Opcode() const; 120 121 virtual bool will_overflow(jlong v1, jlong v2) const; 122 virtual bool can_overflow(const Type* t1, const Type* t2) const; 123 }; 124 125 class OverflowMulLNode : public OverflowLNode { 126 public: 127 typedef MulLNode MathOp; 128 129 OverflowMulLNode(Node* in1, Node* in2) : OverflowLNode(in1, in2) {} 130 virtual int Opcode() const; 131 132 virtual bool will_overflow(jlong v1, jlong v2) const; 133 virtual bool can_overflow(const Type* t1, const Type* t2) const; 134 }; 135 136 #endif 137 | 55 }; 56 57 58 class OverflowLNode : public OverflowNode { 59 public: 60 typedef TypeLong TypeClass; 61 62 OverflowLNode(Node* in1, Node* in2) : OverflowNode(in1, in2) {} 63 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape); 64 virtual const Type* Value(PhaseGVN* phase) const; 65 66 virtual bool will_overflow(jlong v1, jlong v2) const = 0; 67 virtual bool can_overflow(const Type* t1, const Type* t2) const = 0; 68 }; 69 70 class OverflowAddINode : public OverflowINode { 71 public: 72 typedef AddINode MathOp; 73 74 OverflowAddINode(Node* in1, Node* in2) : OverflowINode(in1, in2) {} 75 virtual uint Opcode() const; 76 77 virtual bool will_overflow(jint v1, jint v2) const; 78 virtual bool can_overflow(const Type* t1, const Type* t2) const; 79 }; 80 81 class OverflowSubINode : public OverflowINode { 82 public: 83 typedef SubINode MathOp; 84 85 OverflowSubINode(Node* in1, Node* in2) : OverflowINode(in1, in2) {} 86 virtual uint Opcode() const; 87 88 virtual bool will_overflow(jint v1, jint v2) const; 89 virtual bool can_overflow(const Type* t1, const Type* t2) const; 90 }; 91 92 class OverflowMulINode : public OverflowINode { 93 public: 94 typedef MulINode MathOp; 95 96 OverflowMulINode(Node* in1, Node* in2) : OverflowINode(in1, in2) {} 97 virtual uint Opcode() const; 98 99 virtual bool will_overflow(jint v1, jint v2) const; 100 virtual bool can_overflow(const Type* t1, const Type* t2) const; 101 }; 102 103 class OverflowAddLNode : public OverflowLNode { 104 public: 105 typedef AddLNode MathOp; 106 107 OverflowAddLNode(Node* in1, Node* in2) : OverflowLNode(in1, in2) {} 108 virtual uint Opcode() const; 109 110 virtual bool will_overflow(jlong v1, jlong v2) const; 111 virtual bool can_overflow(const Type* t1, const Type* t2) const; 112 }; 113 114 class OverflowSubLNode : public OverflowLNode { 115 public: 116 typedef SubLNode MathOp; 117 118 OverflowSubLNode(Node* in1, Node* in2) : OverflowLNode(in1, in2) {} 119 virtual uint Opcode() const; 120 121 virtual bool will_overflow(jlong v1, jlong v2) const; 122 virtual bool can_overflow(const Type* t1, const Type* t2) const; 123 }; 124 125 class OverflowMulLNode : public OverflowLNode { 126 public: 127 typedef MulLNode MathOp; 128 129 OverflowMulLNode(Node* in1, Node* in2) : OverflowLNode(in1, in2) {} 130 virtual uint Opcode() const; 131 132 virtual bool will_overflow(jlong v1, jlong v2) const; 133 virtual bool can_overflow(const Type* t1, const Type* t2) const; 134 }; 135 136 #endif 137 |