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comparison src/share/vm/opto/mathexactnode.hpp @ 14909:4ca6dc0799b6

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Backout jdk9 merge
author Gilles Duboscq <duboscq@ssw.jku.at>
date Tue, 01 Apr 2014 13:57:07 +0200
parents cd5d10655495
children 52b4284cb496
comparison
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14908:8db6e76cb658 14909:4ca6dc0799b6
25 #ifndef SHARE_VM_OPTO_MATHEXACTNODE_HPP 25 #ifndef SHARE_VM_OPTO_MATHEXACTNODE_HPP
26 #define SHARE_VM_OPTO_MATHEXACTNODE_HPP 26 #define SHARE_VM_OPTO_MATHEXACTNODE_HPP
27 27
28 #include "opto/multnode.hpp" 28 #include "opto/multnode.hpp"
29 #include "opto/node.hpp" 29 #include "opto/node.hpp"
30 #include "opto/addnode.hpp"
31 #include "opto/subnode.hpp" 30 #include "opto/subnode.hpp"
32 #include "opto/type.hpp" 31 #include "opto/type.hpp"
32
33 class BoolNode;
34 class IfNode;
35 class Node;
33 36
34 class PhaseGVN; 37 class PhaseGVN;
35 class PhaseTransform; 38 class PhaseTransform;
36 39
37 class OverflowNode : public CmpNode { 40 class MathExactNode : public MultiNode {
38 public: 41 public:
39 OverflowNode(Node* in1, Node* in2) : CmpNode(in1, in2) {} 42 MathExactNode(Node* ctrl, Node* in1);
43 MathExactNode(Node* ctrl, Node* in1, Node* in2);
44 enum {
45 result_proj_node = 0,
46 flags_proj_node = 1
47 };
48 virtual int Opcode() const;
49 virtual Node* Identity(PhaseTransform* phase) { return this; }
50 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape) { return NULL; }
51 virtual const Type* Value(PhaseTransform* phase) const { return bottom_type(); }
52 virtual uint hash() const { return NO_HASH; }
53 virtual bool is_CFG() const { return false; }
54 virtual uint ideal_reg() const { return NotAMachineReg; }
40 55
41 virtual uint ideal_reg() const { return Op_RegFlags; } 56 ProjNode* result_node() const { return proj_out(result_proj_node); }
42 virtual const Type* sub(const Type* t1, const Type* t2) const; 57 ProjNode* flags_node() const { return proj_out(flags_proj_node); }
58 Node* control_node() const;
59 Node* non_throwing_branch() const;
60 protected:
61 IfNode* if_node() const;
62 BoolNode* bool_node() const;
63 Node* no_overflow(PhaseGVN *phase, Node* new_result);
43 }; 64 };
44 65
45 class OverflowINode : public OverflowNode { 66 class MathExactINode : public MathExactNode {
67 public:
68 MathExactINode(Node* ctrl, Node* in1) : MathExactNode(ctrl, in1) {}
69 MathExactINode(Node* ctrl, Node* in1, Node* in2) : MathExactNode(ctrl, in1, in2) {}
70 virtual int Opcode() const;
71 virtual Node* match(const ProjNode* proj, const Matcher* m);
72 virtual const Type* bottom_type() const { return TypeTuple::INT_CC_PAIR; }
73 };
74
75 class MathExactLNode : public MathExactNode {
46 public: 76 public:
47 typedef TypeInt TypeClass; 77 MathExactLNode(Node* ctrl, Node* in1) : MathExactNode(ctrl, in1) {}
78 MathExactLNode(Node* ctrl, Node* in1, Node* in2) : MathExactNode(ctrl, in1, in2) {}
79 virtual int Opcode() const;
80 virtual Node* match(const ProjNode* proj, const Matcher* m);
81 virtual const Type* bottom_type() const { return TypeTuple::LONG_CC_PAIR; }
82 };
48 83
49 OverflowINode(Node* in1, Node* in2) : OverflowNode(in1, in2) {} 84 class AddExactINode : public MathExactINode {
85 public:
86 AddExactINode(Node* ctrl, Node* in1, Node* in2) : MathExactINode(ctrl, in1, in2) {}
87 virtual int Opcode() const;
88 virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
89 };
90
91 class AddExactLNode : public MathExactLNode {
92 public:
93 AddExactLNode(Node* ctrl, Node* in1, Node* in2) : MathExactLNode(ctrl, in1, in2) {}
94 virtual int Opcode() const;
50 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape); 95 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
51 virtual const Type* Value(PhaseTransform* phase) const; 96 };
52 97
53 virtual bool will_overflow(jint v1, jint v2) const = 0; 98 class SubExactINode : public MathExactINode {
54 virtual bool can_overflow(const Type* t1, const Type* t2) const = 0; 99 public:
100 SubExactINode(Node* ctrl, Node* in1, Node* in2) : MathExactINode(ctrl, in1, in2) {}
101 virtual int Opcode() const;
102 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
103 };
104
105 class SubExactLNode : public MathExactLNode {
106 public:
107 SubExactLNode(Node* ctrl, Node* in1, Node* in2) : MathExactLNode(ctrl, in1, in2) {}
108 virtual int Opcode() const;
109 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
110 };
111
112 class NegExactINode : public MathExactINode {
113 public:
114 NegExactINode(Node* ctrl, Node* in1) : MathExactINode(ctrl, in1) {}
115 virtual int Opcode() const;
116 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
117 };
118
119 class NegExactLNode : public MathExactLNode {
120 public:
121 NegExactLNode(Node* ctrl, Node* in1) : MathExactLNode(ctrl, in1) {}
122 virtual int Opcode() const;
123 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
124 };
125
126 class MulExactINode : public MathExactINode {
127 public:
128 MulExactINode(Node* ctrl, Node* in1, Node* in2) : MathExactINode(ctrl, in1, in2) {}
129 virtual int Opcode() const;
130 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
131 };
132
133 class MulExactLNode : public MathExactLNode {
134 public:
135 MulExactLNode(Node* ctrl, Node* in1, Node* in2) : MathExactLNode(ctrl, in1, in2) {}
136 virtual int Opcode() const;
137 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
138 };
139
140 class FlagsProjNode : public ProjNode {
141 public:
142 FlagsProjNode(Node* src, uint con) : ProjNode(src, con) {
143 init_class_id(Class_FlagsProj);
144 }
145
146 virtual int Opcode() const;
147 virtual bool is_CFG() const { return false; }
148 virtual const Type* bottom_type() const { return TypeInt::CC; }
149 virtual uint ideal_reg() const { return Op_RegFlags; }
55 }; 150 };
56 151
57 152
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(PhaseTransform* 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 153 #endif
137 154