From: "H. Peter Anvin" <hpa@zytor.com>
To: linux-kernel@vger.kernel.org
Subject: Re: Cyrix III processor and kernel boot problem
Date: 9 Feb 2003 13:22:16 -0800 [thread overview]
Message-ID: <b26gq8$ks1$1@cesium.transmeta.com> (raw)
In-Reply-To: 1044631346.14350.17.camel@irongate.swansea.linux.org.uk
Followup to: <1044631346.14350.17.camel@irongate.swansea.linux.org.uk>
By author: Alan Cox <alan@lxorguk.ukuu.org.uk>
In newsgroup: linux.dev.kernel
>
> On Fri, 2003-02-07 at 14:50, c1cc10 wrote:
> > I've found out that the Cyrix III has no CMOV instruction and that this
> > could be the problem.
>
> It is
>
> gcc told to build for i686 assumes that cmov is present. Much of the
> code advantage for i686 comes from cmov so it makes sense to do that
> I guess.
>
Yep. The other name for the option, -mach=pentiumpro, really is the
more proper name.
-hpa
--
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
Architectures needed: cris ia64 m68k mips64 ppc ppc64 s390 s390x sh v850 x86-64
prev parent reply other threads:[~2003-02-09 21:13 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-07 14:50 Cyrix III processor and kernel boot problem c1cc10
2003-02-07 14:10 ` Dave Jones
2003-02-07 14:17 ` P
2003-02-07 14:57 ` Dave Jones
2003-02-07 17:32 ` c1cc10
2003-02-07 15:22 ` Alan Cox
2003-02-09 21:22 ` H. Peter Anvin [this message]
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