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Date:      Fri, 31 Aug 2007 22:56:59 -0300
From:      JoaoBR <joao@matik.com.br>
To:        freebsd-current@freebsd.org
Cc:        Roman Divacky <rdivacky@freebsd.org>, pluknet <pluknet@gmail.com>, Steve Kargl <sgk@troutmask.apl.washington.edu>, Bj?rn K?nig <bkoenig@cs.tu-berlin.de>
Subject:   Re: Adding k9 and k10 to bsd.cpu.mk
Message-ID:  <200708312257.00730.joao@matik.com.br>
In-Reply-To: <20070901013733.GA12544@troutmask.apl.washington.edu>
References:  <-3502020561049594852@unknownmsgid> <200708312226.26977.joao@matik.com.br> <20070901013733.GA12544@troutmask.apl.washington.edu>

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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 capabl=
e,
> > > < 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=
=20
> > 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 thi=
s=20
cmppile options -msse3 - or not?


=2D-=20

Jo=E3o







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