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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [d3d9] D3D9 state tracker crashes due to stack misalignment if Mesa is compiled with -mfpmath=sse"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91039#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [d3d9] D3D9 state tracker crashes due to stack misalignment if Mesa is compiled with -mfpmath=sse"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91039">bug 91039</a>
from <span class="vcard"><a class="email" href="mailto:xamaniqinqu@gmail.com" title="Itzamna <xamaniqinqu@gmail.com>"> <span class="fn">Itzamna</span></a>
</span></b>
<pre>(In reply to Itzamna from <a href="show_bug.cgi?id=91039#c0">comment #0</a>)
<span class="quote">> Solution:
> The crashes no longer occur when Mesa's stack is realigned to 4 bytes.
> Therefore, always pass -mstackrealign to CFLAGS if -mfpmath=sse is enabled;
> this should probably be handled in the configure script.</span >
Erratum: -mstackrealign realigns the incoming (4 byte-aligned) stack to 16
bytes, see <a href="https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html">https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html</a> .</pre>
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