--- old/src/share/vm/opto/node.hpp	2016-07-03 23:43:05.447487774 +0900
+++ new/src/share/vm/opto/node.hpp	2016-07-03 23:43:05.308488351 +0900
@@ -458,11 +458,11 @@
   }
 
   // Find out of current node that matches opcode.
-  Node* find_out_with(int opcode);
+  Node* find_out_with(uint opcode);
   // Return true if the current node has an out that matches opcode.
-  bool has_out_with(int opcode);
+  bool has_out_with(uint opcode);
   // Return true if the current node has an out that matches any of the opcodes.
-  bool has_out_with(int opcode1, int opcode2, int opcode3, int opcode4);
+  bool has_out_with(uint opcode1, uint opcode2, uint opcode3, uint opcode4);
 
 private:
   static Node* uncast_helper(const Node* n);
@@ -757,7 +757,7 @@
   void remove_flag(jushort fl) { clear_flag(fl); }
 
   // Return a dense integer opcode number
-  virtual int Opcode() const;
+  virtual uint Opcode() const;
 
   // Virtual inherited Node size
   virtual uint size_of() const;
@@ -992,7 +992,7 @@
 
   // Return a node with opcode "opc" and same inputs as "this" if one can
   // be found; Otherwise return NULL;
-  Node* find_similar(int opc);
+  Node* find_similar(uint opc);
 
   // Return the unique control out if only one. Null if none or more than one.
   Node* unique_ctrl_out() const;