extern rtx has_hard_reg_initial_val (enum machine_mode, unsigned int);
/* If a pseudo represents an initial hard reg (or expression), return
it, else return NULL_RTX. */
-extern rtx get_hard_reg_initial_reg (struct function *, rtx);
+extern rtx get_hard_reg_initial_reg (rtx);
/* Called from rest_of_compilation. */
extern unsigned int emit_initial_value_sets (void);
extern void allocate_initial_values (rtx *);
/* Check whether there's any attribute in a function declaration that
makes the function uninlinable. Returns false if it finds any,
true otherwise. */
-extern bool function_attribute_inlinable_p (tree);
+extern bool function_attribute_inlinable_p (const_tree);