- (tree, tree, tree);
-extern bool hook_bool_rtx_commutative_p (rtx, int);
-extern rtx default_function_value (tree, tree, bool);
+ (const_tree, const_tree, const_tree);
+extern bool hook_bool_const_rtx_commutative_p (const_rtx, int);
+extern rtx default_function_value (const_tree, const_tree, bool);