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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - LLVM Cross Compile for AARCH64 failing to find ARM intrinsics"
href="https://bugs.llvm.org/show_bug.cgi?id=33005">33005</a>
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<th>Summary</th>
<td>LLVM Cross Compile for AARCH64 failing to find ARM intrinsics
</td>
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<th>Product</th>
<td>new-bugs
</td>
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<th>Version</th>
<td>4.0
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Windows NT
</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>new bugs
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>mboudreaux@panicbuttongames.com
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre>When using cross compile with an Arch of "aarch64" and feature "+neon" (or
simply setting the target CPU to cortex-a57), and providing it a simple
application that does an rsqrt will fail with the following error:
LLVM ERROR: Cannot select: intrinsic %llvm.arm.neon.vrsqrts
cortex-a57 does support that intrinsic, but it appears LLVM is looking only at
the llvm.aarch64 intrinsics table without also checking the llvm.arm table.</pre>
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</p>
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