Re: [patch] string-486.h modified

From: Pavel Machek (pavel@suse.cz)
Date: Fri Sep 01 2000 - 15:28:03 EST


Hi!

> > > On Thu, 31 Aug 2000, Petko Manolov wrote:
> > >
> > > [Snipped...]
> > >
> > > Good. You understand. Keep up the good work.
> >
> >
> > I realy would like to see this code in use ;-)
>
> After you test it **THOUROUGHLY**, send a patch to Linus. I
> recommend testing it in a user-mode program with all kinds of
> sizes/shapes/lengths/offsets, etc., and making certain that you
> don't destroy any registers that are "precious" for the
> usual versions of gcc.
>
> If your patch doesn't hurt anything, even if it only adds marginal
> performance, I'm pretty sure that Linus will accept it.

I think patch like this is not safe for 2.4.X-pre.

However, in 2.5.0 we should apply it, and force it on *all* cpus just
to test it well. Then in 2.5.10 we should turn it off for
pentium/MMX+.

                                                                Pavel

-- 
I'm pavel@ucw.cz. "In my country we have almost anarchy and I don't care."
Panos Katsaloulis describing me w.r.t. patents at discuss@linmodems.org
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