http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48636
William J. Schmidt <wschmidt at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |wschmidt at gcc dot gnu.org
--- Comment #43 from William J. Schmidt <wschmidt at gcc dot gnu.org>
2013-03-01 17:48:51 UTC ---
(In reply to comment #38)
> Looks like for x86 r193331 led to significant regression on 172.mgrid for -m32
> -O3 -funroll-loops
The same degradation was seen on powerpc64-unknown-linux-gnu with r193331. The
fix by Martin Jambor for PR55334 did not help for -m32. It did give a slight
bump to -m64, but did not return the performance to pre-r193331 levels. So
there still seems to be a problem with 172.mgrid related to this change.
