[Mesa-dev] [PATCH] i965: Compile the driver with -march=core2.

Eric Anholt eric at anholt.net
Fri Jan 25 21:51:49 PST 2013

Roland Scheidegger <sroland at vmware.com> writes:

> I'm quite sure there are g965 boards around which indeed support Pentium
> 4 (and P4-based Celerons) (but yes I guess cmov and at least sse2 are
> safe - not that the p4 had a usable cmov implementation as it was
> incredibly slow IIRC but it should at least work).

It looks like everything you could put in a g965 had SSE3, but that
*S*SSE3 is not covered.  Sigh.  -march=nocona -mtune=core2 I think
should work.
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