#ifdef RTX_CODE
extern HOST_WIDE_INT m68k_initial_elimination_offset (int from, int to);
extern const char *output_move_const_into_data_reg (rtx *);
extern const char *output_move_simode_const (rtx *);
extern const char *output_move_simode (rtx *);
extern const char *output_move_himode (rtx *);
extern const char *output_move_qimode (rtx *);
extern const char *output_move_stricthi (rtx *);
extern const char *output_move_strictqi (rtx *);
extern const char *output_move_double (rtx *);
extern const char *output_move_const_single (rtx *);
extern const char *output_move_const_double (rtx *);
extern const char *output_btst (rtx *, rtx, rtx, rtx, int);
extern const char *output_scc_di (rtx, rtx, rtx, rtx);
extern const char *output_addsi3 (rtx *);
extern const char *output_andsi3 (rtx *);
extern const char *output_iorsi3 (rtx *);
extern const char *output_xorsi3 (rtx *);
extern void m68k_output_pic_call (rtx dest);
extern void output_dbcc_and_branch (rtx *);
extern int const_uint32_operand (rtx, enum machine_mode);
extern int const_sint32_operand (rtx, enum machine_mode);
extern int floating_exact_log2 (rtx);
extern int not_sp_operand (rtx, enum machine_mode);
extern int valid_dbcc_comparison_p (rtx, enum machine_mode);
extern int extend_operator (rtx, enum machine_mode);
extern bool strict_low_part_peephole_ok (enum machine_mode mode, rtx first_insn, rtx target);
extern bool symbolic_operand (rtx, enum machine_mode);
extern int standard_68881_constant_p (rtx);
extern void print_operand_address (FILE *, rtx);
extern void print_operand (FILE *, rtx, int);
extern void notice_update_cc (rtx, rtx);
extern int general_src_operand (rtx, enum machine_mode);
extern int nonimmediate_src_operand (rtx, enum machine_mode);
extern int memory_src_operand (rtx, enum machine_mode);
extern int pcrel_address (rtx, enum machine_mode);
extern rtx legitimize_pic_address (rtx, enum machine_mode, rtx);
#endif
extern int flags_in_68881 (void);
extern bool use_return_insn (void);
extern void override_options (void);
extern void init_68881_table (void);