Re: [PATCH] x86: K8, GEODE_LX, CRUSOE, EFFICEON and CORE2 supportthe cmovxx instructions.

From: Ingo Molnar
Date: Fri Mar 21 2008 - 08:38:35 EST


* Alexander van Heukelum <heukelum@xxxxxxxxxxxxx> wrote:

> x86: K8, GEODE_LX, CRUSOE, EFFICEON and CORE2 support CMOV.
>
> Instead of summing up the cpu's that have support for the
> cmov instruction, sum up the cpu's that don't.
>
> GEODE_LX has no entry in arch/x86/Makefile_32.cpu, so it did not get
> any -march or -mtune arguments at all. I quite arbitrarily added
> -march=i686 -mtune=pentium-mmx. This way gcc is allowed to use cmov
> instructions.

thanks, applied.

Ingo
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