21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_OPTO_MATHEXACTNODE_HPP
26 #define SHARE_VM_OPTO_MATHEXACTNODE_HPP
27
28 #include "opto/multnode.hpp"
29 #include "opto/node.hpp"
30 #include "opto/addnode.hpp"
31 #include "opto/subnode.hpp"
32 #include "opto/type.hpp"
33
34 class PhaseGVN;
35 class PhaseTransform;
36
37 class OverflowNode : public CmpNode {
38 public:
39 OverflowNode(Node* in1, Node* in2) : CmpNode(in1, in2) {}
40
41 virtual uint ideal_reg() const { return Op_RegFlags; }
42 virtual const Type* sub(const Type* t1, const Type* t2) const;
43 };
44
45 class OverflowINode : public OverflowNode {
46 public:
47 typedef TypeInt TypeClass;
48
49 OverflowINode(Node* in1, Node* in2) : OverflowNode(in1, in2) {}
50 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
51 virtual const Type* Value(PhaseGVN* phase) const;
52
53 virtual bool will_overflow(jint v1, jint v2) const = 0;
54 virtual bool can_overflow(const Type* t1, const Type* t2) const = 0;
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
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21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_OPTO_MATHEXACTNODE_HPP
26 #define SHARE_VM_OPTO_MATHEXACTNODE_HPP
27
28 #include "opto/multnode.hpp"
29 #include "opto/node.hpp"
30 #include "opto/addnode.hpp"
31 #include "opto/subnode.hpp"
32 #include "opto/type.hpp"
33
34 class PhaseGVN;
35 class PhaseTransform;
36
37 class OverflowNode : public CmpNode {
38 public:
39 OverflowNode(Node* in1, Node* in2) : CmpNode(in1, in2) {}
40
41 virtual Opcodes ideal_reg() const { return Opcodes::Op_RegFlags; }
42 virtual const Type* sub(const Type* t1, const Type* t2) const;
43 };
44
45 class OverflowINode : public OverflowNode {
46 public:
47 typedef TypeInt TypeClass;
48
49 OverflowINode(Node* in1, Node* in2) : OverflowNode(in1, in2) {}
50 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
51 virtual const Type* Value(PhaseGVN* phase) const;
52
53 virtual bool will_overflow(jint v1, jint v2) const = 0;
54 virtual bool can_overflow(const Type* t1, const Type* t2) const = 0;
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 Opcodes 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 Opcodes 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 Opcodes 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 Opcodes 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 Opcodes 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 Opcodes 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
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