/* declarations */
#ifdef RTX_CODE
-extern int simple_memory_operand (rtx, enum machine_mode);
+extern int simple_memory_operand (rtx, machine_mode);
extern int legitimate_const_double_p (rtx);
extern void notice_update_cc_on_set (rtx, rtx);
extern const char *output_block_move (rtx *);
extern const char *output_jump (enum rtx_code, int, int);
extern void print_operand_address (FILE *, rtx);
-extern bool pdp11_cannot_change_mode_class (enum machine_mode,
- enum machine_mode, enum reg_class);
+extern bool pdp11_cannot_change_mode_class (machine_mode,
+ machine_mode, enum reg_class);
extern bool pdp11_secondary_memory_needed (reg_class_t, reg_class_t,
- enum machine_mode);
+ machine_mode);
typedef enum { no_action, dec_before, inc_after } pdp11_action;
typedef enum { little, either, big } pdp11_partorder;
extern bool pdp11_expand_operands (rtx *, rtx [][2], int,