132 virtual uint ideal_reg() const { return Op_RegP; }
133 virtual const Type *bottom_type() const { return TypeRawPtr::BOTTOM; }
134 };
135
136 //------------------------------CastP2XNode-------------------------------------
137 // Used in both 32-bit and 64-bit land.
138 // Used for card-marks and unsafe pointer math.
139 class CastP2XNode : public Node {
140 public:
141 CastP2XNode( Node *ctrl, Node *n ) : Node(ctrl, n) {}
142 virtual int Opcode() const;
143 virtual const Type* Value(PhaseGVN* phase) const;
144 virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
145 virtual Node* Identity(PhaseGVN* phase);
146 virtual uint ideal_reg() const { return Op_RegX; }
147 virtual const Type *bottom_type() const { return TypeX_X; }
148 // Return false to keep node from moving away from an associated card mark.
149 virtual bool depends_only_on_test() const { return false; }
150 };
151
152
153
154 #endif // SHARE_OPTO_CASTNODE_HPP
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132 virtual uint ideal_reg() const { return Op_RegP; }
133 virtual const Type *bottom_type() const { return TypeRawPtr::BOTTOM; }
134 };
135
136 //------------------------------CastP2XNode-------------------------------------
137 // Used in both 32-bit and 64-bit land.
138 // Used for card-marks and unsafe pointer math.
139 class CastP2XNode : public Node {
140 public:
141 CastP2XNode( Node *ctrl, Node *n ) : Node(ctrl, n) {}
142 virtual int Opcode() const;
143 virtual const Type* Value(PhaseGVN* phase) const;
144 virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
145 virtual Node* Identity(PhaseGVN* phase);
146 virtual uint ideal_reg() const { return Op_RegX; }
147 virtual const Type *bottom_type() const { return TypeX_X; }
148 // Return false to keep node from moving away from an associated card mark.
149 virtual bool depends_only_on_test() const { return false; }
150 };
151
152 // convert between a 32 bit integer and a compressed pointer
153 class CastI2NNode : public TypeNode {
154 public:
155 CastI2NNode(Node *n, const Type *t) : TypeNode(t, 2) {
156 init_req(1, n);
157 }
158 virtual int Opcode() const;
159 virtual uint ideal_reg() const { return Op_RegN; }
160 };
161
162 class CastN2INode : public Node {
163 public:
164 CastN2INode(Node *n) : Node(NULL, n) {}
165 virtual int Opcode() const;
166 virtual uint ideal_reg() const { return Op_RegI; }
167 virtual const Type *bottom_type() const { return TypeInt::INT; }
168 };
169
170
171 #endif // SHARE_OPTO_CASTNODE_HPP
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