Susprising behavior of gcc on x86 (-m32)
Andrew Haley
aph@redhat.com
Tue Sep 8 09:45:00 GMT 2015
On 09/08/2015 10:15 AM, Mathieu Malaterre wrote:
> What is even more surprising is that I can no longer reproduce the
> behavior using `valgrind` from my 32bits chroot.
>
> I understand that my bug description is relatively small, but I am
> eager to report a more specific gcc issue. If anyone could help me
> narrow down this issue, I'd appreciate your comments.
>
> Please note that that I disabled any kind of optimizations by using
> (explicitly!) -O0.
I'm guessing that it's some silliness with the FPU, but that's a wild
guess.
You first need to find out what part of the file is different, and
narrow it down from there. One question: how well do you understand
the OpenJPEG code base?
Andrew.
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