int m32c_extra_constraint_p (rtx, char, const char *);
int m32c_extra_constraint_p2 (rtx, char, const char *);
int m32c_hard_regno_nregs (int, MM);
int m32c_hard_regno_ok (int, MM);
int m32c_extra_constraint_p (rtx, char, const char *);
int m32c_extra_constraint_p2 (rtx, char, const char *);
int m32c_hard_regno_nregs (int, MM);
int m32c_hard_regno_ok (int, MM);