Compiler Options
Joerg Pernfuss
elessar at bsdforen.de
Fri Nov 10 22:19:26 UTC 2006
On Fri, 10 Nov 2006 11:34:22 -0800
"Jason C. Wells" <jcw at highperformance.net> wrote:
> I have set CPUTYPE=p3 in make.conf. When I compile my kernel I see
> -march=pentium3 as I expect. I also see -mno-mmx and -mno-sse are
> set which I do not expect given that -march=pentium3 is used. I
> presume that I want MMX and SSE since my processor supports it. What
> options do I set and where do I set them to get a kernel properly
> tuned for pentium3?
The FreeBSD kernel does not use MMX and SSE registers. That is why
they are disabled, regardless of the chosen CPUTYPE.
Joerg
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