--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/opto/castnode.hpp	Tue Apr 01 09:05:20 2014 -0700
@@ -0,0 +1,119 @@
+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_VM_OPTO_CASTNODE_HPP
+#define SHARE_VM_OPTO_CASTNODE_HPP
+
+#include "opto/node.hpp"
+#include "opto/opcodes.hpp"
+
+
+//------------------------------ConstraintCastNode-----------------------------
+// cast to a different range
+class ConstraintCastNode: public TypeNode {
+  public:
+  ConstraintCastNode (Node *n, const Type *t ): TypeNode(t,2) {
+    init_class_id(Class_ConstraintCast);
+    init_req(1, n);
+  }
+  virtual Node *Identity( PhaseTransform *phase );
+  virtual const Type *Value( PhaseTransform *phase ) const;
+  virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
+  virtual int Opcode() const;
+  virtual uint ideal_reg() const = 0;
+  virtual Node *Ideal_DU_postCCP( PhaseCCP * );
+};
+
+//------------------------------CastIINode-------------------------------------
+// cast integer to integer (different range)
+class CastIINode: public ConstraintCastNode {
+  public:
+  CastIINode (Node *n, const Type *t ): ConstraintCastNode(n,t) {}
+  virtual int Opcode() const;
+  virtual uint ideal_reg() const { return Op_RegI; }
+};
+
+//------------------------------CastPPNode-------------------------------------
+// cast pointer to pointer (different type)
+class CastPPNode: public ConstraintCastNode {
+  public:
+  CastPPNode (Node *n, const Type *t ): ConstraintCastNode(n, t) {}
+  virtual int Opcode() const;
+  virtual uint ideal_reg() const { return Op_RegP; }
+  virtual Node *Ideal_DU_postCCP( PhaseCCP * );
+};
+
+//------------------------------CheckCastPPNode--------------------------------
+// for _checkcast, cast pointer to pointer (different type), without JOIN,
+class CheckCastPPNode: public TypeNode {
+  public:
+  CheckCastPPNode( Node *c, Node *n, const Type *t ) : TypeNode(t,2) {
+    init_class_id(Class_CheckCastPP);
+    init_req(0, c);
+    init_req(1, n);
+  }
+
+  virtual Node *Identity( PhaseTransform *phase );
+  virtual const Type *Value( PhaseTransform *phase ) const;
+  virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
+  virtual int   Opcode() const;
+  virtual uint  ideal_reg() const { return Op_RegP; }
+  // No longer remove CheckCast after CCP as it gives me a place to hang
+  // the proper address type - which is required to compute anti-deps.
+  //virtual Node *Ideal_DU_postCCP( PhaseCCP * );
+};
+
+
+//------------------------------CastX2PNode-------------------------------------
+// convert a machine-pointer-sized integer to a raw pointer
+class CastX2PNode : public Node {
+  public:
+  CastX2PNode( Node *n ) : Node(NULL, n) {}
+  virtual int Opcode() const;
+  virtual const Type *Value( PhaseTransform *phase ) const;
+  virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
+  virtual Node *Identity( PhaseTransform *phase );
+  virtual uint ideal_reg() const { return Op_RegP; }
+  virtual const Type *bottom_type() const { return TypeRawPtr::BOTTOM; }
+};
+
+//------------------------------CastP2XNode-------------------------------------
+// Used in both 32-bit and 64-bit land.
+// Used for card-marks and unsafe pointer math.
+class CastP2XNode : public Node {
+  public:
+  CastP2XNode( Node *ctrl, Node *n ) : Node(ctrl, n) {}
+  virtual int Opcode() const;
+  virtual const Type *Value( PhaseTransform *phase ) const;
+  virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
+  virtual Node *Identity( PhaseTransform *phase );
+  virtual uint ideal_reg() const { return Op_RegX; }
+  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; }
+};
+
+
+
+#endif // SHARE_VM_OPTO_CASTNODE_HPP