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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Shader Disk Cache 32/64 bit detection has a flaw. Missed existence of x32 ABI"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100073#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Shader Disk Cache 32/64 bit detection has a flaw. Missed existence of x32 ABI"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100073">bug 100073</a>
from <span class="vcard"><a class="email" href="mailto:bugspam@moreofthesa.me.uk" title="Darren Salt <bugspam@moreofthesa.me.uk>"> <span class="fn">Darren Salt</span></a>
</span></b>
<pre>This code is intended to be generic; it SHOULD work for other pairs such as
armel and aarch64 (though breakage will happen should you have more than one
32-bit ARM ABI in use on one system). As such, as it's written, it should not
be testing __i386__, __x86_64__ or similar macros, but it does need to test
__ILP32__.
(Aside: x32 code is 64-bit.)
Without optimisation, yes, the testing is effectively at run-time; however, the
values are constant. So in that sense, it's a small amount of bloat and
unreachable code.
FWIW, my implementation (which uses the ABI name from the architecture triplet)
is here:
<a href="https://patchwork.freedesktop.org/patch/141891/">https://patchwork.freedesktop.org/patch/141891/</a></pre>
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