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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - x86: No patterns for matching bit-test and set"
href="https://bugs.llvm.org/show_bug.cgi?id=32566">32566</a>
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<th>Summary</th>
<td>x86: No patterns for matching bit-test and set
</td>
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<th>Product</th>
<td>libraries
</td>
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<th>Version</th>
<td>trunk
</td>
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<tr>
<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Backend: X86
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>hans@chromium.org
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre>The .td files have entries for BTS instructions, but no patterns to match them.
In particular, for the _interlockedbittestandset intrinsic, we do the whole
"lock cmpxchg" dance instead of "lock bts".</pre>
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