extern void iq2000_expand_epilogue (void);
extern void iq2000_expand_eh_return (rtx);
extern int iq2000_can_use_return_insn (void);
-extern int function_arg_pass_by_reference (CUMULATIVE_ARGS *, enum machine_mode, tree, int);
extern int iq2000_adjust_insn_length (rtx, int);
extern char * iq2000_output_conditional_branch (rtx, rtx *, int, int, int, int);
extern void print_operand_address (FILE *, rtx);