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<base href="http://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Bad alignment in MultiSource/Benchmarks/PAQ8p"
href="http://llvm.org/bugs/show_bug.cgi?id=18502">18502</a>
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<th>Summary</th>
<td>Bad alignment in MultiSource/Benchmarks/PAQ8p
</td>
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<th>Product</th>
<td>Test Suite
</td>
</tr>
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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
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<th>Component</th>
<td>Nightly Tester
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>stoklund@2pi.dk
</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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</tr></table>
<p>
<div>
<pre>The template instantiation BH<4>::operator[] in paq8p.cpp contains:
static U8 tmp[B]; // element to move to front
if (j==M) {
--j;
memset(tmp, 0, B);
*(U16*)tmp=chk;
if (M>2 && t[(i+j)*B+2]>t[(i+j-1)*B+2]) --j;
}
The SPARC linker is evil and doesn't align the global 'static U8 tmp[B]', so
the U16 store is unaligned and crashes.</pre>
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