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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [regression][radeonsi][polaris]"radeonsi: set IF_THRESHOLD to 3" breaks Witcher2's ground"
href="https://bugs.freedesktop.org/show_bug.cgi?id=98761#c20">Comment # 20</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [regression][radeonsi][polaris]"radeonsi: set IF_THRESHOLD to 3" breaks Witcher2's ground"
href="https://bugs.freedesktop.org/show_bug.cgi?id=98761">bug 98761</a>
from <span class="vcard"><a class="email" href="mailto:arsenm2@gmail.com" title="Matt Arsenault <arsenm2@gmail.com>"> <span class="fn">Matt Arsenault</span></a>
</span></b>
<pre>(In reply to Marek Olšák from <a href="show_bug.cgi?id=98761#c19">comment #19</a>)
<span class="quote">> Created <span class=""><a href="attachment.cgi?id=128178" name="attach_128178" title="still bad">attachment 128178</a> <a href="attachment.cgi?id=128178&action=edit" title="still bad">[details]</a></span>
> still bad
>
> (In reply to Matt Arsenault from <a href="show_bug.cgi?id=98761#c18">comment #18</a>)
> > Try after llvm r287844
>
> It's still pretty broken. See the attached asm. "s_mov vcc_hi, m0" looks
> suspicious.</span >
s_mov vcc_hi, m0 is fine and expected. TableGen happens to sort VCC to the
beginning of the SReg_64 register class list, so the scavenger tends to find
VCC first if its available</pre>
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