+2005-06-07 Diego Novillo <dnovillo@redhat.com>
+
+ * tree-ssa-threadupdate.c (struct thread_stats_d): Declare.
+ (thread_stats): New local variable.
+ (redirect_edges): Increment count of threaded edges.
+ (thread_through_all_blocks): Initialize thread_stats.
+ Display number of threaded jumps if TDF_STATS is enabled.
+
2005-06-07 Kazu Hirata <kazu@codesourcery.com>
* sbitmap.h (sbitmap_iter_init): Consistently treat bit_num as
bool jumps_threaded;
};
+/* Jump threading statistics. */
+
+struct thread_stats_d
+{
+ unsigned long num_threaded_edges;
+};
+
+struct thread_stats_d thread_stats;
+
+
/* Remove the last statement in block BB if it is a control statement
Also remove all outgoing edges except the edge which reaches DEST_BB.
If DEST_BB is NULL, then remove all outgoing edges. */
to clear it will cause all kinds of unpleasant problems later. */
e->aux = NULL;
+ thread_stats.num_threaded_edges++;
+
if (rd->dup_block)
{
edge e2;
bitmap_iterator bi;
rediscover_loops_after_threading = false;
+ memset (&thread_stats, 0, sizeof (thread_stats));
EXECUTE_IF_SET_IN_BITMAP (threaded_blocks, 0, i, bi)
{
retval |= thread_block (bb);
}
+ if (dump_file && (dump_flags & TDF_STATS))
+ fprintf (dump_file, "\nJumps threaded: %lu\n",
+ thread_stats.num_threaded_edges);
+
return retval;
}