#define arg_pointer_rtx (global_rtl[GR_ARG_POINTER])
extern GTY(()) rtx pic_offset_table_rtx;
-extern GTY(()) rtx struct_value_rtx;
-extern GTY(()) rtx struct_value_incoming_rtx;
extern GTY(()) rtx static_chain_rtx;
extern GTY(()) rtx static_chain_incoming_rtx;
extern GTY(()) rtx return_address_pointer_rtx;
extern void dump_combine_stats (FILE *);
extern void dump_combine_total_stats (FILE *);
#endif
+/* In web.c */
+extern void web_main PARAMS ((void));
/* In sched.c. */
#ifdef BUFSIZ
extern int read_dependence (rtx, rtx);
extern int anti_dependence (rtx, rtx);
extern int output_dependence (rtx, rtx);
+extern int unchanging_anti_dependence (rtx, rtx);
extern void mark_constant_function (void);
extern void init_alias_once (void);
extern void init_alias_analysis (void);