extern int expand_block_clear (rtx[]);
extern int expand_block_move (rtx[]);
extern int load_multiple_operation (rtx, enum machine_mode);
+extern int save_world_operation (rtx, enum machine_mode);
+extern int restore_world_operation (rtx, enum machine_mode);
extern const char * rs6000_output_load_multiple (rtx[]);
extern int store_multiple_operation (rtx, enum machine_mode);
extern int branch_comparison_operator (rtx, enum machine_mode);