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@@ -456,15 +456,15 @@
   bool eqv_uncast(const Node* n) const {
     return (this->uncast() == n->uncast());
   // 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);
   static Node* uncast_helper(const Node* n);
   // Add an output edge to the end of the list

@@ -755,11 +755,11 @@
   void add_flag(jushort fl) { init_flags(fl); }
   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;
   // Other interesting Node properties

@@ -990,11 +990,11 @@
   // The method is defined in loopnode.cpp.
   const Node* is_loop_iv() const;
   // 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;
   // Set control or add control as precedence edge
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