Subject: Re: X11 and mc68060...
To: Ruben van Staveren <ruben@luna.net>
From: David Brownlee <abs@NetBSD.ORG>
List: port-amiga
Date: 02/09/1998 02:43:09
Would it be feasible to ship two different versions of the X
server - one compiled as now, and one for 68060, or should all
the clients also be compiled for 68060?
David/absolute
-- Whom computers would destroy, they must first drive mad. --
On Mon, 9 Feb 1998, Ruben van Staveren wrote:
> Hi,
> >
> >
> > Your understanding of -m68060 is incomplete.
> >
> > -m68060, as currently implemented, is like -m68040, with the additional
> > omission of 68060 unfriendly integer instructions.
> >
> > Both -m68040 and -m68060 create FP instructions that are NOT implemented on
> > the 68881 and 68882 coprocessors.
> Ok, the kernel uses soft-float
>
> >
> > This is no problem for the kernel (which does not do any FP computations of
> > its own), but WILL break many user programs.
> >
> > Regards,
> > Ignatios Souvatzis
> >
> > (who once made the mistake to compile his X server with -m68060, and needed
> > a while ot understand why it crashed on the 68030 machine, on which he
> > occasionally boots NetBSD.)
> >
>
> Hmm lets compile the Xserver (and related stuff) with soft-float too :)
> (with severe performance loss on all cpu classes)
> Or introduce cyberpatcher alike features in NetBSD *grin*
>
>
> Regards,
> Ruben
>
> --
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> | Ruben van Staveren - http://kip.sateh.com/~ruben - A1260@50/48 _|_o
> | Luna Internet - Systems & Software Engineer - NetBSD - AmigaOS_ //| #>
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