}
}
-/* Calculate new fences from FENCES. */
+/* Calculate new fences from FENCES. Write the current time to PTIME. */
static flist_t
-calculate_new_fences (flist_t fences, int orig_max_seqno)
+calculate_new_fences (flist_t fences, int orig_max_seqno, int *ptime)
{
flist_t old_fences = fences;
struct flist_tail_def _new_fences, *new_fences = &_new_fences;
+ int max_time = 0;
flist_tail_init (new_fences);
for (; fences; fences = FLIST_NEXT (fences))
}
else
extract_new_fences_from (fences, new_fences, orig_max_seqno);
+ max_time = MAX (max_time, FENCE_CYCLE (fence));
}
flist_clear (&old_fences);
+ *ptime = max_time;
return FLIST_TAIL_HEAD (new_fences);
}
sel_sched_region_2 (int orig_max_seqno)
{
int highest_seqno_in_use = orig_max_seqno;
+ int max_time = 0;
stat_bookkeeping_copies = 0;
stat_insns_needed_bookkeeping = 0;
find_min_max_seqno (fences, &min_seqno, &max_seqno);
schedule_on_fences (fences, max_seqno, &scheduled_insns_tailp);
- fences = calculate_new_fences (fences, orig_max_seqno);
+ fences = calculate_new_fences (fences, orig_max_seqno, &max_time);
highest_seqno_in_use = update_seqnos_and_stage (min_seqno, max_seqno,
highest_seqno_in_use,
&scheduled_insns);
}
if (sched_verbose >= 1)
- sel_print ("Scheduled %d bookkeeping copies, %d insns needed "
- "bookkeeping, %d insns renamed, %d insns substituted\n",
- stat_bookkeeping_copies,
- stat_insns_needed_bookkeeping,
- stat_renamed_scheduled,
- stat_substitutions_total);
+ {
+ sel_print ("Total scheduling time: %d cycles\n", max_time);
+ sel_print ("Scheduled %d bookkeeping copies, %d insns needed "
+ "bookkeeping, %d insns renamed, %d insns substituted\n",
+ stat_bookkeeping_copies,
+ stat_insns_needed_bookkeeping,
+ stat_renamed_scheduled,
+ stat_substitutions_total);
+ }
}
/* Schedule a region. When pipelining, search for possibly never scheduled