On Tuesday 18 September 2001 13:27, Seth Mos wrote:
> At 13:19 18-9-2001 -0400, Alan Eldridge wrote:
> >On Tue, Sep 18, 2001 at 07:14:47PM +0200, Seth Mos wrote:
> > >At 12:40 18-9-2001 -0400, Alan Eldridge wrote:
<snip>
> > >I can, altough it does not have as many optimizations. So I only think
> > > that the runtime speed would be affected. The linux kernel already
> > > knows what a Athlon processor is and what to do with it. I think this
> > > makes a larger difference then the compiler.
> >
> >Umm, how? rpm --target athlon causes gcc to be invoked with -march=athlon,
> >which kgcc knows nothing about so it dies.
>
> You can specify a target of i686 and have a kernel config for athlon/duron
> systems
kgcc / egcs doesn't have k6 optimizations either. :-( Yet the kbuild
scripts somehow know this and use -march=i586 when -march=k6 is not
available. I'm sure the same test could be created for the athlon, and would
be accepted into the kernel, but no one has bothered to do it.
--
Joseph Fannin
jhf@xxxxxxxxxxxxxx
"Bull in pure form is rare; there is usually some contamination by data."
-- William Graves Perry Jr.
|