Date: Sat, 22 Mar 2003 10:57:50 -0800 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: Anti <fearow@attbi.com> Cc: das@FreeBSD.ORG, till@f111.hadiko.de, freebsd-current@FreeBSD.ORG Subject: Re: libm problem Message-ID: <20030322185750.GA81889@troutmask.apl.washington.edu> In-Reply-To: <20030322123951.67271b29.fearow@attbi.com> References: <20030318173051.GA2322@f111.hadiko.de> <20030319131317.GA670@HAL9000.homeunix.com> <20030321235237.GA8097@f111.hadiko.de> <20030322111233.F4471@gamplex.bde.org> <20030322005435.GA8393@f111.hadiko.de> <20030322051443.GA13854@HAL9000.homeunix.com> <20030322182846.GA81615@troutmask.apl.washington.edu> <20030322123951.67271b29.fearow@attbi.com>
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On Sat, Mar 22, 2003 at 12:39:51PM -0600, Anti wrote:
> On Sat, 22 Mar 2003 10:28:46 -0800
> Steve Kargl <sgk@troutmask.apl.washington.edu> wrote:
>
> > Pentium 4 is definitely broken on 5.x. Perhaps, we should remove
> > the footshooting.
> >
> > --- bsd.cpu.mk.orig Sat Mar 22 10:23:42 2003
> > +++ bsd.cpu.mk Sat Mar 22 10:27:11 2003
> > @@ -62,7 +62,9 @@
> > . elif ${CPUTYPE} == "k5"
> > _CPUCFLAGS = -march=pentium
> > . elif ${CPUTYPE} == "p4"
> > -_CPUCFLAGS = -march=pentium4
> > +# XXX gcc 3.2.2 appears to generate bad code on FreeBSD 5.x
> > +#_CPUCFLAGS = -march=pentium4
> > +_CPUCFLAGS = -march=pentiumpro
> > . elif ${CPUTYPE} == "p3"
> > _CPUCFLAGS = -march=pentium3
> > . elif ${CPUTYPE} == "p2"
>
> pentium3 would be better than pentiumpro on a p4 i think...
I know pentium4 produces some strange code and I know my
system is quite stable with pentiumpro. I've never tested
what happens with pentium3.
--
Steve
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