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<body><span class="vcard"><a class="email" href="mailto:pdknsk@gmail.com" title="pdknsk <pdknsk@gmail.com>"> <span class="fn">pdknsk</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - major vectorizer performance regression from 3.7.1"
href="https://llvm.org/bugs/show_bug.cgi?id=27008">bug 27008</a>
<br>
<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>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
</td>
</tr></table>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - major vectorizer performance regression from 3.7.1"
href="https://llvm.org/bugs/show_bug.cgi?id=27008#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - major vectorizer performance regression from 3.7.1"
href="https://llvm.org/bugs/show_bug.cgi?id=27008">bug 27008</a>
from <span class="vcard"><a class="email" href="mailto:pdknsk@gmail.com" title="pdknsk <pdknsk@gmail.com>"> <span class="fn">pdknsk</span></a>
</span></b>
<pre>This appears to be fixed now, if still somewhat slower, on par with pre-3.7
releases.
clang version 3.9.0-svn264818-1~exp1 (trunk)
Target: x86_64-unknown-linux-gnu
$ clang-3.9 -march=haswell -O2 -std=c99 file.c -o file
$ ./file
1048575999 0.409
$ clang-3.6 -march=haswell -O2 -std=c99 file.c -o file
$ ./file
1048575999 0.410</pre>
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