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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Missing support for AltiVec "__bool" keyword"
href="http://llvm.org/bugs/show_bug.cgi?id=19220">19220</a>
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<th>Summary</th>
<td>Missing support for AltiVec "__bool" keyword
</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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<th>Hardware</th>
<td>Other
</td>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>Backend: PowerPC
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>bmoses@google.com
</td>
</tr>
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<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
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<p>
<div>
<pre>We recently ran into a problem trying to build the Eigen math library using
Clang. The failing line uses the GCC extension type names [1], as is (I
suspect) reasonably common in C++ AltiVec code to avoid keyword collisions:
typedef __vector __bool int Packet4bi;
Unfortunately, while Clang appears to support the "__vector" keyword, it
doesn't support the "__bool" keyword.
This can be easily reproduced using just a file with the single typedef line.
[1] Documentation of the GCC extensions is here:
<a href="http://gcc.gnu.org/onlinedocs/gcc-4.8.2/gcc/PowerPC-AltiVec_002fVSX-Built-in-Functions.html">http://gcc.gnu.org/onlinedocs/gcc-4.8.2/gcc/PowerPC-AltiVec_002fVSX-Built-in-Functions.html</a></pre>
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