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Re: [pooma-dev] Using gcc3.0 to compile POOMA
From: |
Richard Guenther |
Subject: |
Re: [pooma-dev] Using gcc3.0 to compile POOMA |
Date: |
Thu, 19 Dec 2002 16:59:57 +0100 (CET) |
On Thu, 19 Dec 2002, Richard Guenther wrote:
> Hi!
>
> I was just using gcc3.0 (CVS head) for POOMA and now noticed that
> even at -O the NearestNeighbors test from the Field testsuite is
> failing (works at -O0).
Same problem with current gcc3.2 CVS (-O2 -fomit-frame-pointer
-march=athlon) :/
With gcc3.3 CVS and the same flags the test segfaults...
Oh well ;)
> Also gcc3.0 contains loop optimizer bugs
> that cause lots of regressions if -funroll-loops is used. So I
> recommend people _not_ to use gcc3.0 to do anything with POOMA.
>
> I'll check whats up with gcc3.2, but that seems to be confused by
> either my binutils or my libc version.
>
> Richard.
>
> --
> Richard Guenther <address@hidden>
> WWW: http://www.tat.physik.uni-tuebingen.de/~rguenth/
>
--
Richard Guenther <address@hidden>
WWW: http://www.tat.physik.uni-tuebingen.de/~rguenth/