-static unsigned arc_hash PARAMS ((const void *));
-static int arc_eq PARAMS ((const void *, const void *));
-static int print_conflict PARAMS ((int, int, void *));
-static void mark_reg PARAMS ((rtx, rtx, void *));
+static hashval_t arc_hash (const void *);
+static int arc_eq (const void *, const void *);
+static int print_conflict (int, int, void *);
+static void mark_reg (rtx, rtx, void *);