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<base href="https://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - clang fails do compile if tmmintrin.h is included"
href="https://llvm.org/bugs/show_bug.cgi?id=24990">24990</a>
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<tr>
<th>Summary</th>
<td>clang fails do compile if tmmintrin.h is included
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>3.7
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>-New Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>llvm@bobbyperu.info
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>GCC, MSVC and ICC all allow to include tmmintrin.h even if -mssse3 isn't
specified, clang however is the one odd out:
$ clang -c -o /dev/null -include tmmintrin.h -xc /dev/null
In file included from <built-in>:316:
In file included from <command line>:1:
/lib/clang/3.7.0/include/tmmintrin.h:28:2: error: "SSSE3 instruction set not
enabled"
#error "SSSE3 instruction set not enabled"
$ gcc -c -o /dev/null -include tmmintrin.h -xc /dev/null; echo $?
0
Since clang is mostly interpolatable with gcc it would be nice if this got
fixed.</pre>
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</p>
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