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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [llvmpipe] piglit fs-roundEven-float regression"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94909#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [llvmpipe] piglit fs-roundEven-float regression"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94909">bug 94909</a>
from <span class="vcard"><a class="email" href="mailto:sroland@vmware.com" title="Roland Scheidegger <sroland@vmware.com>"> <span class="fn">Roland Scheidegger</span></a>
</span></b>
<pre>Hmm I looked at this and the round llvm intrinsic doesn't actually do something
useful (or at least definitely not what we want). The code generated is awful
and apparently wrong.
llvm.round will do per-element calls into __roundf which is horrible. I think
that's because libm round is specced to do round-nearest-away-from-zero, which
is both not what we want and what we can't do natively with the roundps
instruction.
I'll fix this...</pre>
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