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<body><span class="vcard"><a class="email" href="mailto:michael.m.kuperstein@intel.com" title="Michael Kuperstein <michael.m.kuperstein@intel.com>"> <span class="fn">Michael Kuperstein</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED DUPLICATE - Optimized assembly raises div-by-zero exception though C source code takes pains to avoid it"
href="https://llvm.org/bugs/show_bug.cgi?id=23522">bug 23522</a>
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<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>
</tr>
<tr>
<td style="text-align:right;">CC</td>
<td>
</td>
<td>michael.m.kuperstein@intel.com
</td>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>DUPLICATE
</td>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED DUPLICATE - Optimized assembly raises div-by-zero exception though C source code takes pains to avoid it"
href="https://llvm.org/bugs/show_bug.cgi?id=23522#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED DUPLICATE - Optimized assembly raises div-by-zero exception though C source code takes pains to avoid it"
href="https://llvm.org/bugs/show_bug.cgi?id=23522">bug 23522</a>
from <span class="vcard"><a class="email" href="mailto:michael.m.kuperstein@intel.com" title="Michael Kuperstein <michael.m.kuperstein@intel.com>"> <span class="fn">Michael Kuperstein</span></a>
</span></b>
<pre>This is a known issue - LLVM doesn't model floating point exceptions, so the
optimizer feels free to reorder the fdiv with the select.
See PR6050 and PR18673.
*** This bug has been marked as a duplicate of <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - floating-point operations have side effects"
href="show_bug.cgi?id=6050">bug 6050</a> ***</pre>
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