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<body><span class="vcard"><a class="email" href="mailto:rafael.espindola@gmail.com" title="Rafael Ávila de Espíndola <rafael.espindola@gmail.com>"> <span class="fn">Rafael Ávila de Espíndola</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - inefficient code generation for 128-bit->256-bit typecast intrinsics"
href="http://llvm.org/bugs/show_bug.cgi?id=15712">bug 15712</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
</td>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - inefficient code generation for 128-bit->256-bit typecast intrinsics"
href="http://llvm.org/bugs/show_bug.cgi?id=15712#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - inefficient code generation for 128-bit->256-bit typecast intrinsics"
href="http://llvm.org/bugs/show_bug.cgi?id=15712">bug 15712</a>
from <span class="vcard"><a class="email" href="mailto:rafael.espindola@gmail.com" title="Rafael Ávila de Espíndola <rafael.espindola@gmail.com>"> <span class="fn">Rafael Ávila de Espíndola</span></a>
</span></b>
<pre>Given
__m256i f1(__m128i x) {
return _mm256_castsi128_si256(x);
}
__m256 f2(__m128 x) {
return _mm256_castps128_ps256(x);
}
__m256d f3(__m128d x) {
return _mm256_castpd128_pd256(x);
}
clang trunk produces:
_f1:
0000000000000000 retq
_f2:
0000000000000001 retq
_f3:
0000000000000002 retq
So this was fixed along the way.</pre>
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