not to use an rtx with this cost under any circumstances. */
#define MAX_COST INT_MAX
+extern void init_rtlanal (void);
extern int rtx_cost (rtx, enum rtx_code);
extern int address_cost (rtx, enum machine_mode);
extern unsigned int subreg_lsb (rtx);
unsigned int, int);
/* In flow.c */
-extern void recompute_reg_usage (rtx, int);
+extern void recompute_reg_usage (void);
extern int initialize_uninitialized_subregs (void);
extern void delete_dead_jumptables (void);
extern void print_rtl_with_bb (FILE *, rtx);
extern void init_expmed (void);
extern void expand_inc (rtx, rtx);
extern void expand_dec (rtx, rtx);
-extern rtx expand_mult_highpart (enum machine_mode, rtx,
- unsigned HOST_WIDE_INT, rtx, int, int);
/* In gcse.c */
extern bool can_copy_p (enum machine_mode);