int m32c_expand_setmemhi (rtx *);
bool m32c_matches_constraint_p (rtx, int);
int m32c_hard_regno_nregs (int, machine_mode);
-int m32c_hard_regno_ok (int, machine_mode);
bool m32c_illegal_subreg_p (rtx);
bool m32c_immd_dbl_mov (rtx *, machine_mode);
rtx m32c_incoming_return_addr_rtx (void);