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<body><span class="vcard"><a class="email" href="mailto:mcrosier@codeaurora.org" title="Chad Rosier <mcrosier@codeaurora.org>"> <span class="fn">Chad Rosier</span></a>
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<a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - [ARM64] Maintain compatibility with armv7 intrinsics."
href="http://llvm.org/bugs/show_bug.cgi?id=19395">bug 19395</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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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>INVALID
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<td>---
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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - [ARM64] Maintain compatibility with armv7 intrinsics."
href="http://llvm.org/bugs/show_bug.cgi?id=19395#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - [ARM64] Maintain compatibility with armv7 intrinsics."
href="http://llvm.org/bugs/show_bug.cgi?id=19395">bug 19395</a>
from <span class="vcard"><a class="email" href="mailto:mcrosier@codeaurora.org" title="Chad Rosier <mcrosier@codeaurora.org>"> <span class="fn">Chad Rosier</span></a>
</span></b>
<pre>I thought I would reopen this to start the discussion.
AFAIK, LLVM intrinsics can use any namespace. However, I would argue users of
ARM64 will have to change their code to use arm64 prefix. When the ARMv8
backends merge is complete, the users may have to change their code back to use
aarch64 prefix depending on how things pan out. Thus, it might be worthwhile
to support the ARMv7 intrinsics in the ARM64 backend despite not being a strict
requirement. This happens to work in the AArch64 backend because of the reuse
of the ARMv7 intrinsics.</pre>
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