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<body><span class="vcard"><a class="email" href="mailto:spatel+llvm@rotateright.com" title="Sanjay Patel <spatel+llvm@rotateright.com>"> <span class="fn">Sanjay Patel</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - miscompilation of uint32 ->float vector cast on x86 pre-avx"
href="https://llvm.org/bugs/show_bug.cgi?id=24512">bug 24512</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>INVALID
</td>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - miscompilation of uint32 ->float vector cast on x86 pre-avx"
href="https://llvm.org/bugs/show_bug.cgi?id=24512#c9">Comment # 9</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - miscompilation of uint32 ->float vector cast on x86 pre-avx"
href="https://llvm.org/bugs/show_bug.cgi?id=24512">bug 24512</a>
from <span class="vcard"><a class="email" href="mailto:spatel+llvm@rotateright.com" title="Sanjay Patel <spatel+llvm@rotateright.com>"> <span class="fn">Sanjay Patel</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=24512#c8">comment #8</a>)
<span class="quote">> Yes, it was unsafe-fp-math that made the difference. This is described as
> "reduced precision", not "throw away my input entirely" :)</span >
Heh...turning everything into zeros falls under the scope of "unsafe". :)
Seriously though, -ffast-math is license for the compiler to do a lot of
things, and I think we're within bounds on this one.
So I'll resolve this as "invalid". Please reopen if you disagree or see a
better way out.</pre>
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