extern int for_each_rtx PARAMS ((rtx *, rtx_function, void *));
extern rtx regno_use_in PARAMS ((unsigned int, rtx));
extern int auto_inc_p PARAMS ((rtx));
+extern int in_expr_list_p PARAMS ((rtx, rtx));
extern void remove_node_from_expr_list PARAMS ((rtx, rtx *));
extern int insns_safe_to_move_p PARAMS ((rtx, rtx, rtx *));
extern int loc_mentioned_in_p PARAMS ((rtx *, rtx));