Subject: Re: X11 and mc68060...
To: Ignatios Souvatzis <ignatios@theory.cs.uni-bonn.de>
From: Ruben van Staveren <ruben@luna.net>
List: port-amiga
Date: 02/09/1998 11:36:31
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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