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[Bug bootstrap/55051] [4.8 Regression] profiledbootstrap failed
- From: "hubicka at ucw dot cz" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 14 Nov 2012 15:35:26 +0000
- Subject: [Bug bootstrap/55051] [4.8 Regression] profiledbootstrap failed
- Auto-submitted: auto-generated
- References: <bug-55051-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55051
--- Comment #7 from Jan Hubicka <hubicka at ucw dot cz> 2012-11-14 15:35:26 UTC ---
> --- Comment #6 from Markus Trippelsdorf <markus at trippelsdorf dot de> 2012-11-14 15:13:08 UTC ---
> (In reply to comment #5)
> > There are
> >
> > badness = (relative_time_benefit (callee_info, edge, edge_time)
> > * (INT_MIN / 16 / RELATIVE_TIME_BENEFIT_RANGE));
> > badness /= (growth * MAX (1, callee_info->growth));
> > gcc_checking_assert (badness <=0 && badness >= INT_MIN / 16);
>
> Yes, badness is 1 in this case...
> I'm reducing the issue right now.
Thanks, I was just about to start looking into FDO inlining re-tunning.
relative_time_benefit should be in range 0...INT_MAX / 64 so it should end up
in multipling -4 times that should be safe.
I am going to try to reproduce it now.
/bin/bash: ./:q: Permission denied