http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50823
--- Comment #13 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-12-06
13:03:40 UTC ---
This fixes it:
Index: gcc/ipa-inline.c
===================================================================
--- gcc/ipa-inline.c (revision 182044)
+++ gcc/ipa-inline.c (working copy)
@@ -808,7 +808,6 @@ edge_badness (struct cgraph_edge *edge,
else if (flag_guess_branch_prob)
{
int div = edge->frequency * (1<<10) / CGRAPH_FREQ_MAX;
- int growth_for_all;
div = MAX (div, 1);
gcc_checking_assert (edge->frequency <= CGRAPH_FREQ_MAX);
@@ -846,14 +845,12 @@ edge_badness (struct cgraph_edge *edge,
if (dump)
fprintf (dump_file, "Badness overflow\n");
}
- growth_for_all = estimate_growth (callee);
- badness += growth_for_all;
if (dump)
{
fprintf (dump_file,
- " %i: guessed profile. frequency %f, overall growth
%i,"
+ " %i: guessed profile. frequency %f,"
" benefit %f%%, divisor %i\n",
- (int) badness, (double)edge->frequency / CGRAPH_FREQ_BASE,
growth_for_all,
+ (int) badness, (double)edge->frequency / CGRAPH_FREQ_BASE,
relative_time_benefit (callee_info, edge, time_growth) * 100
/ 256.0, div);
}
}
I'm going to bootstrap, test and apply this given that Honza seems to have
no interest in fixing his own regressions. [and this particular patch
was on my agenda for quite some time]
