Date: Fri, 11 Jun 2004 13:43:52 -0500 (CDT) From: "Conrad J. Sabatier" <conrads@cox.net> To: "David O'Brien" <obrien@freebsd.org> Cc: freebsd-amd64@freebsd.org Subject: Re: CPUTYPE in /etc/make.conf Message-ID: <XFMail.20040611134351.conrads@cox.net> In-Reply-To: <20040611173706.GA28135@dragon.nuxi.com>
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On 11-Jun-2004 David O'Brien wrote: > On Fri, Jun 11, 2004 at 03:02:38AM -0500, Conrad J. Sabatier wrote: >> Could someone please confirm for me whether or not I'm using the >> best CPUTYPE for my processor? > > Don't use ANY CPUTYPE in /etc/make.conf. > (I assume you're running in 64-bit mode since you're asking on this > list and not another). Yes, that's correct. I'm running FreeBSD/amd64. > There is no reason to specify one at all. There is a single CPU core > for AMD64 right now, so GCC knows exactly what core you have and > what to do for it. Interesting. Will gcc also automatically take advantage of 3dnow, mmx, sse2, etc? I'm assuming the -m64 switch is superfluous as well? >> Is athlon-xp the correct choice for this particular model? > > Only if running in 32-bit mode. Ouch! Now I gotta go back and rebuild my whole system. Oh, that's right, hardly takes any time at all anymore to do that. :-) Just want to take this opportunity to complement/praise those of you whose work on amd64 for FreeBSD we're now enjoying the benefits of. Superb job, guys! Really, totally, absolutely awesome. :-) -- Conrad J. Sabatier <conrads@cox.net> -- "In Unix veritas"
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