Re: Adding k9 and k10 to bsd.cpu.mk

From: JoaoBR <joao_at_matik.com.br>
Date: Fri, 31 Aug 2007 22:56:59 -0300
On Friday 31 August 2007 22:37:33 Steve Kargl wrote:
> On Fri, Aug 31, 2007 at 10:26:25PM -0300, JoaoBR wrote:
> > On Friday 31 August 2007 21:20:30 JoaoBR wrote:
> > > > > opterons are not easy but it is already kind of advanced cpu so
> > > > > could be
> > > >
> > > > Why are Opteron's any harder?
> > >
> > > because all of them are 64bit but some older ones are not SSE3 capable,
> > > < 250 I guess now but 252 is but not 100% sure
> >
> > so just a thought, I have no not-sse3 capable anymore so I could check 
> > but asking the gcc guys here ...
> >
> > what if I try to compile with -msse3 and it is not available, does it go
> > through or do I get invalid compile option and if it go through what may
> > it cost?
>
> Yes, it will compile the code.  The result will most likely not run
> if some code was translated to use a sse3 feature.

well,question is: will this kernel boot and/or will it crash because of this 
cmppile options -msse3 - or not?


-- 

Joćo







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Received on Fri Aug 31 2007 - 23:57:00 UTC

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