Date: Fri, 31 Aug 2007 18:37:33 -0700 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: JoaoBR <joao@matik.com.br> Cc: Roman Divacky <rdivacky@freebsd.org>, freebsd-current@freebsd.org, pluknet <pluknet@gmail.com>, Bj?rn K?nig <bkoenig@cs.tu-berlin.de> Subject: Re: Adding k9 and k10 to bsd.cpu.mk Message-ID: <20070901013733.GA12544@troutmask.apl.washington.edu> In-Reply-To: <200708312226.26977.joao@matik.com.br> References: <-3502020561049594852@unknownmsgid> <20070901000710.GA12223@dragon.NUXI.org> <200708312120.31912.joao@matik.com.br> <200708312226.26977.joao@matik.com.br>
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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. -- Steve
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