===================================================================
@@ -210,8 +210,8 @@ static bool ia64_return_in_memory (const
static rtx ia64_function_value (const_tree, const_tree, bool);
static rtx ia64_libcall_value (enum machine_mode, const_rtx);
static bool ia64_function_value_regno_p (const unsigned int);
-static int ia64_register_move_cost (enum machine_mode, enum reg_class,
- enum reg_class);
+static int ia64_register_move_cost (enum machine_mode, reg_class_t,
+ reg_class_t);
static bool ia64_rtx_costs (rtx, int, int, int *, bool);
static int ia64_unspec_may_trap_p (const_rtx, unsigned);
static void fix_range (const char *);
@@ -5207,8 +5207,8 @@ ia64_rtx_costs (rtx x, int code, int out
one in class TO, using MODE. */
static int
-ia64_register_move_cost (enum machine_mode mode, enum reg_class from_i,
- enum reg_class to_i)
+ia64_register_move_cost (enum machine_mode mode, reg_class_t from_i,
+ reg_class_t to_i)
{
enum reg_class from = (enum reg_class) from_i;
enum reg_class to = (enum reg_class) to_i;