diff -r f13dda645a4b -r 54abdf3e1055 hotspot/src/share/vm/opto/connode.hpp
--- a/hotspot/src/share/vm/opto/connode.hpp	Thu Mar 12 10:37:46 2009 -0700
+++ b/hotspot/src/share/vm/opto/connode.hpp	Fri Mar 13 11:35:17 2009 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright 1997-2008 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1997-2009 Sun Microsystems, Inc.  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
@@ -635,3 +635,23 @@
   virtual uint ideal_reg() const { return Op_RegL; }
   virtual const Type* Value( PhaseTransform *phase ) const;
 };
+
+//---------- PopCountINode -----------------------------------------------------
+// Population count (bit count) of an integer.
+class PopCountINode : public Node {
+public:
+  PopCountINode(Node* in1) : Node(0, in1) {}
+  virtual int Opcode() const;
+  const Type* bottom_type() const { return TypeInt::INT; }
+  virtual uint ideal_reg() const { return Op_RegI; }
+};
+
+//---------- PopCountLNode -----------------------------------------------------
+// Population count (bit count) of a long.
+class PopCountLNode : public Node {
+public:
+  PopCountLNode(Node* in1) : Node(0, in1) {}
+  virtual int Opcode() const;
+  const Type* bottom_type() const { return TypeInt::INT; }
+  virtual uint ideal_reg() const { return Op_RegI; }
+};