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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - PowerPC cc clobber should be an alias for cr0"
href="http://llvm.org/bugs/show_bug.cgi?id=21451">21451</a>
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<th>Summary</th>
<td>PowerPC cc clobber should be an alias for cr0
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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>PC
</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
</td>
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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>anton@samba.org
</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>In <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - PowerPC: invalid code generation at -O2 due to bad ordering of instructions"
href="show_bug.cgi?id=19326">bug 19326</a> we made "cc" represent a clobber of the entire condition register.
It turns out "cc" is actually an alias for "cr0":
<a href="https://lists.ozlabs.org/pipermail/linuxppc-dev/2014-November/122391.html">https://lists.ozlabs.org/pipermail/linuxppc-dev/2014-November/122391.html</a>
I had the same incorrect assumption.</pre>
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