src/hotspot/share/opto/castnode.hpp

*** 147,154 ****
--- 147,171 ----
    virtual const Type *bottom_type() const { return TypeX_X; }
    // Return false to keep node from moving away from an associated card mark.
    virtual bool depends_only_on_test() const { return false; }
  };
  
+ // convert between a 32 bit integer and a compressed pointer 
+ class CastI2NNode : public TypeNode {
+   public:
+   CastI2NNode(Node *n, const Type *t) : TypeNode(t, 2) {
+     init_req(1, n);
+   }
+   virtual int Opcode() const;
+   virtual uint ideal_reg() const { return Op_RegN; }
+ };
+ 
+ class CastN2INode : public Node {
+   public:
+   CastN2INode(Node *n) : Node(NULL, n) {}
+   virtual int Opcode() const;
+   virtual uint ideal_reg() const { return Op_RegI; }
+   virtual const Type *bottom_type() const { return TypeInt::INT; }
+ };
  
  
  #endif // SHARE_OPTO_CASTNODE_HPP