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<body><span class="vcard"><a class="email" href="mailto:hfinkel@anl.gov" title="Hal Finkel <hfinkel@anl.gov>"> <span class="fn">Hal Finkel</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [ppc] missed chance to use rlwnm"
href="https://llvm.org/bugs/show_bug.cgi?id=27356">bug 27356</a>
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<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
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<tr>
<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 - [ppc] missed chance to use rlwnm"
href="https://llvm.org/bugs/show_bug.cgi?id=27356#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [ppc] missed chance to use rlwnm"
href="https://llvm.org/bugs/show_bug.cgi?id=27356">bug 27356</a>
from <span class="vcard"><a class="email" href="mailto:hfinkel@anl.gov" title="Hal Finkel <hfinkel@anl.gov>"> <span class="fn">Hal Finkel</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=27356#c1">comment #1</a>)
<span class="quote">> (In reply to <a href="show_bug.cgi?id=27356#c0">comment #0</a>)
> > Double-check to make sure because my PPC is beyond rusty, but I think this
> > is:
> >
> > subfic r4, r4, 32
> > rlwnm r3, r3, r4, 31, 31
>
> Yes. I've used cvc4 to verify that this is true (assuming that y < 32 --
> three cheers for undefined behavior!).
>
> Also, for y < 64, we also can use rldcl(x, subfic(y, 64), 63).</span >
Patterns added in r280454. Thanks!</pre>
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