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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Clang does not define __ARM_ARCH_EXT_IDIV__ for cortex-a15"
href="http://llvm.org/bugs/show_bug.cgi?id=17555">17555</a>
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<th>Summary</th>
<td>Clang does not define __ARM_ARCH_EXT_IDIV__ for cortex-a15
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<th>Product</th>
<td>clang
</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
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<th>Component</th>
<td>-New Bugs
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>srhines@google.com
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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>Clang should be defining __ARM_ARCH_EXT_IDIV__ to enable hardware division on
ARM cortex-a15 processors. Without this define, compiler-rt cannot be used to
generate sdiv/udiv instructions. The current version of compiler-rt actually
predicates hardware division on an APPLE-only macro for V7S (which is only for
their Swift part).</pre>
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