On Thu, 29 Mar 2012 04:53:45 -0300 Dâniel Fraga <frag...@gmail.com> wrote:
> I tried to compile Firefox 11 with gcc 4.7 optimized with: > > -O3 -march=corei7-avx (I have a core i7 2700k) > > But Firefox segfaults (backtrace provided, although it seems > not very useful): > > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52762 > > If I compile with -march=corei7 it runs perfectly. > > Maybe a gcc bug? > > How can I help you to debug this? We've had to disable -mavx for firefox builds due to numerous issues like this. Search the mozilla bugzilla for stack alignment issues. -- fonts, gcc-porting toolchain, wxwidgets @ gentoo.org
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