--- old/src/share/vm/opto/connode.hpp	2009-05-04 21:36:30.609441416 +0200
+++ new/src/share/vm/opto/connode.hpp	2009-05-04 21:36:30.470839943 +0200
@@ -636,22 +636,62 @@
   virtual const Type* Value( PhaseTransform *phase ) const;
 };
 
+//---------- CountBitsNode -----------------------------------------------------
+class CountBitsNode : public Node {
+public:
+  CountBitsNode(Node* in1) : Node(0, in1) {}
+  const Type* bottom_type() const { return TypeInt::INT; }
+  virtual uint ideal_reg() const { return Op_RegI; }
+};
+
+//---------- CountLeadingZerosINode --------------------------------------------
+// Count leading zeros (0-bit count starting from MSB) of an integer.
+class CountLeadingZerosINode : public CountBitsNode {
+public:
+  CountLeadingZerosINode(Node* in1) : CountBitsNode(in1) {}
+  virtual int Opcode() const;
+  virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
+};
+
+//---------- CountLeadingZerosLNode --------------------------------------------
+// Count leading zeros (0-bit count starting from MSB) of a long.
+class CountLeadingZerosLNode : public CountBitsNode {
+public:
+  CountLeadingZerosLNode(Node* in1) : CountBitsNode(in1) {}
+  virtual int Opcode() const;
+  virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
+};
+
+//---------- CountTrailingZerosINode -------------------------------------------
+// Count trailing zeros (0-bit count starting from LSB) of an integer.
+class CountTrailingZerosINode : public CountBitsNode {
+public:
+  CountTrailingZerosINode(Node* in1) : CountBitsNode(in1) {}
+  virtual int Opcode() const;
+  virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
+};
+
+//---------- CountTrailingZerosLNode -------------------------------------------
+// Count trailing zeros (0-bit count starting from LSB) of a long.
+class CountTrailingZerosLNode : public CountBitsNode {
+public:
+  CountTrailingZerosLNode(Node* in1) : CountBitsNode(in1) {}
+  virtual int Opcode() const;
+  virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
+};
+
 //---------- PopCountINode -----------------------------------------------------
 // Population count (bit count) of an integer.
-class PopCountINode : public Node {
+class PopCountINode : public CountBitsNode {
 public:
-  PopCountINode(Node* in1) : Node(0, in1) {}
+  PopCountINode(Node* in1) : CountBitsNode(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 {
+class PopCountLNode : public CountBitsNode {
 public:
-  PopCountLNode(Node* in1) : Node(0, in1) {}
+  PopCountLNode(Node* in1) : CountBitsNode(in1) {}
   virtual int Opcode() const;
-  const Type* bottom_type() const { return TypeInt::INT; }
-  virtual uint ideal_reg() const { return Op_RegI; }
 };