Date: Tue, 25 Jul 2000 14:27:22 -0400 (EDT) From: Brian Hechinger <wonko@users.tmok.com> To: djb@ifa.au.dk Cc: mi@aldan.algebra.com, dl@tyfon.net, stable@FreeBSD.ORG Subject: Re: Recommended compilation optimizations Message-ID: <200007251827.OAA98614@entropy.tmok.com> In-Reply-To: <20000724202712.A62709@relativity.student.utwente.nl> from Dave Boers at "Jul 24, 2000 8:27:12 pm"
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Dave Boers drunkenly mumbled... > On Mon, Jul 24, 2000 at 10:03:40AM -0400, mi@aldan.algebra.com wrote: > > I've seen '-fexpensive-optimizations' break havoc in the squid binary, > > so I no longer use it for anything, but '-mcpu=i686 -march=i686' seems > > fine to me and tells the compiler that your only target processor is of > > the 686 class. If you are not planning to debug the thing, add > > '-fomit-frame-pointer'. > > You appear to be right. I just verified dat my 4.1-stable indeed builds > fine with -mcpu=686 and -march=i686 (on SMP dual Celeron). just to stir the pool a little bit more: -Os -pipe -march=pentiumpro -funroll-loops -fschedule-insns2 FreeBSD wintermute.half.com 4.1-RC FreeBSD 4.1-RC #0: Tue Jul 25 12:15:52 EST 2000 wonko@wintermute.half.com:/usr/obj/usr/src/sys/WINTERMUTE i386 for a while there, these didn't work with -stable, but now they work again. i still build my production boxes with -O -pipe, but my desktop takes a beating as i try and break it as much as i can. all in the name of scientific research of course. :) -b To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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