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<body><span class="vcard"><a class="email" href="mailto:ahmed.bougacha@gmail.com" title="Ahmed Bougacha <ahmed.bougacha@gmail.com>"> <span class="fn">Ahmed Bougacha</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - uint32 ->float vector cast always returns 0.0f on x86 pre-avx with unsafe-fp-math"
href="https://llvm.org/bugs/show_bug.cgi?id=24512">bug 24512</a>
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<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
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<td style="text-align:right;">Status</td>
<td>ASSIGNED
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<td>RESOLVED
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
</td>
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<div>
<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - uint32 ->float vector cast always returns 0.0f on x86 pre-avx with unsafe-fp-math"
href="https://llvm.org/bugs/show_bug.cgi?id=24512#c21">Comment # 21</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - uint32 ->float vector cast always returns 0.0f on x86 pre-avx with unsafe-fp-math"
href="https://llvm.org/bugs/show_bug.cgi?id=24512">bug 24512</a>
from <span class="vcard"><a class="email" href="mailto:ahmed.bougacha@gmail.com" title="Ahmed Bougacha <ahmed.bougacha@gmail.com>"> <span class="fn">Ahmed Bougacha</span></a>
</span></b>
<pre>r248965.
Sanjay: is there some sort of IACA equivalent for AMD microarchitectures, or do
you have an alternative data source (e.g., a well-informed engineer with an AMD
opt guide?) we could use to decide? I'd obviously be OK with only enabling this
for current Intel CPUs if this turns out to be slower elsewhere.</pre>
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