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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - chromium libyuv source runs out of registers during register allocation"
href="http://llvm.org/bugs/show_bug.cgi?id=15837">15837</a>
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<th>Summary</th>
<td>chromium libyuv source runs out of registers during register allocation
</td>
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<th>Product</th>
<td>new-bugs
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>All
</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
</td>
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<th>Component</th>
<td>new bugs
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>dimitry@andric.com
</td>
</tr>
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<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
</td>
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=10421" name="attach_10421" title="Runs out of registers when built with -O2 -fPIC -m32">attachment 10421</a> <a href="attachment.cgi?id=10421&action=edit" title="Runs out of registers when built with -O2 -fPIC -m32">[details]</a></span>
Runs out of registers when built with -O2 -fPIC -m32
A subcomponent of Chromium failed to compile with relatively recent clang 3.3,
giving the following error messages:
third_party/libyuv/source/row_posix.cc:1818:5: error: ran out of registers
during register allocation
"movdqa %[kShuffleMaskARGBToRGB24_0],%%xmm5 \n"
^
third_party/libyuv/source/row_posix.cc:1873:5: error: ran out of registers
during register allocation
"movdqa %[kShuffleMaskARGBToRAW_0],%%xmm5 \n"
^
Compilation flags: -O2 -fPIC -m32. This used to compile with older versions of
clang: the last trunk version I had that was able to build it was r176408,
r178624 (the next one I had archived) was not able to build it anymore.
A reduced testcase is attached.</pre>
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