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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Flightgear crashes during splashboot with R600 driver, LLVM 3.7.0 and mesa 11.0.2"
href="https://bugs.freedesktop.org/show_bug.cgi?id=92214#c37">Comment # 37</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Flightgear crashes during splashboot with R600 driver, LLVM 3.7.0 and mesa 11.0.2"
href="https://bugs.freedesktop.org/show_bug.cgi?id=92214">bug 92214</a>
from <span class="vcard"><a class="email" href="mailto:jfonseca@vmware.com" title="Jose Fonseca <jfonseca@vmware.com>"> <span class="fn">Jose Fonseca</span></a>
</span></b>
<pre>(In reply to Roland Scheidegger from <a href="show_bug.cgi?id=92214#c36">comment #36</a>)
<span class="quote">> I don't think llvm's behavior makes sense. We got the cpu name from llvm,
> that we have to manually list cpu features which it CAN'T use when just
> using that name then is imho crazy. I've updated the llvm bug accordingly.</span >
The fact is that the cpu name is ambigous, so whether LLVM takes the "usually"
support features, vs the "minimally" supported features is really a matter of
convention.
We should set negative flags where appropriate.
My concern is whether passing "-sse4_1" to a non-Intel CPU will cause problems.
A quick check with altivec shows that's the case:
'-altivec' is not a recognized feature for this target (ignoring feature)
I'll attach a patch that should fix this.</pre>
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