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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - AVX512 register allocator thrashing"
href="https://bugs.llvm.org/show_bug.cgi?id=41412">41412</a>
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<th>Summary</th>
<td>AVX512 register allocator thrashing
</td>
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<th>Product</th>
<td>new-bugs
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<th>Version</th>
<td>trunk
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<th>Hardware</th>
<td>PC
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<th>OS</th>
<td>Linux
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>enhancement
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>new bugs
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>slandden@gmail.com
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<th>CC</th>
<td>htmldeveloper@gmail.com, llvm-bugs@lists.llvm.org
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<pre>The register allocator is thrashing registers when doing AVX512 loads with
duff's device.
<a href="https://zig.godbolt.org/z/a9wxiu">https://zig.godbolt.org/z/a9wxiu</a>
It repeatedly "bumps" registers up one number.</pre>
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