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<body><span class="vcard"><a class="email" href="mailto:zvi.rackover@intel.com" title="Zvi Rackover <zvi.rackover@intel.com>"> <span class="fn">Zvi Rackover</span></a>
</span> changed
<a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - AVX512F lowers zext from i1 to i64 through a k-mask"
href="https://llvm.org/bugs/show_bug.cgi?id=28175">bug 28175</a>
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<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
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<tr>
<td style="text-align:right;">Status</td>
<td>RESOLVED
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<td>REOPENED
</td>
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<td style="text-align:right;">Resolution</td>
<td>FIXED
</td>
<td>---
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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - AVX512F lowers zext from i1 to i64 through a k-mask"
href="https://llvm.org/bugs/show_bug.cgi?id=28175#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - AVX512F lowers zext from i1 to i64 through a k-mask"
href="https://llvm.org/bugs/show_bug.cgi?id=28175">bug 28175</a>
from <span class="vcard"><a class="email" href="mailto:zvi.rackover@intel.com" title="Zvi Rackover <zvi.rackover@intel.com>"> <span class="fn">Zvi Rackover</span></a>
</span></b>
<pre>Please disregard my last comment. Should be:
After commit 281302 the generated code is slightly improved.
However, the main issue of redundant copies thru k-regs remains:
testl %esi, %esi
je .LBB0_1
# BB#2: # %if.then
jmp _Z3barv # TAILCALL
.LBB0_1: # %return
kmovw %edi, %k0
kmovw %k0, %eax
andq $1, %rax
retq</pre>
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