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<body><span class="vcard"><a class="email" href="mailto:llvm-dev@redking.me.uk" title="Simon Pilgrim <llvm-dev@redking.me.uk>"> <span class="fn">Simon Pilgrim</span></a>
</span> changed
<a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - <intrin.h> does not declare _tzcnt_u32"
href="https://bugs.llvm.org/show_bug.cgi?id=30506">bug 30506</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">CC</td>
<td>
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<td>llvm-dev@redking.me.uk
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<td style="text-align:right;">Status</td>
<td>RESOLVED
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<td>REOPENED
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<td style="text-align:right;">Resolution</td>
<td>FIXED
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<td>---
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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - <intrin.h> does not declare _tzcnt_u32"
href="https://bugs.llvm.org/show_bug.cgi?id=30506#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - <intrin.h> does not declare _tzcnt_u32"
href="https://bugs.llvm.org/show_bug.cgi?id=30506">bug 30506</a>
from <span class="vcard"><a class="email" href="mailto:llvm-dev@redking.me.uk" title="Simon Pilgrim <llvm-dev@redking.me.uk>"> <span class="fn">Simon Pilgrim</span></a>
</span></b>
<pre>If we're going to allow general use of the tzcnt intrinsics like this, then
their doxygen comments need to be updated to be very clear that if TZCNT isn't
available then the result of __tzcnt_u32(0) is undefined.</pre>
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