On Sat, Mar 15, 2003 at 09:25:08PM -0800, Jason Thorpe wrote:
> 
> On Saturday, March 15, 2003, at 08:09  AM, Juergen Hannken-Illjes wrote:
> 
> >
> >Module Name:	src
> >Committed By:	hannken
> >Date:		Sat Mar 15 16:09:35 UTC 2003
> >
> >Modified Files:
> >	src/gnu/dist/toolchain/gcc/config/rs6000: netbsd.h
> >
> >Log Message:
> >Add -mstrict-align to the CC1 default options.
> >At least the 403 ports cannot handle unaligned access.
> >
> >Discussed with Jason Thorpe and Matt Thomas.
> >
> 
> Hm.  Maybe what we should do is default to -mstrict-align, but disable 
> -mstrict-align for -mcpu=foo where foo doesn't require strict alignment 
> (e.g. 603, 604, 750, etc.).  All of those CPUs can do unaligned access 
> on integer loads/stores, right?  Is it only the 403 that actually has 
> the problem?  (I honestly can't remember if the 405 can do unaligned 
> access or not...)

From the sources (I have no walnut board) the 405 also traps.

At least 1.6 has a shared/powerpc with X, games and text.
Therefore the powerpc should use a feature set useable on all cpus.

-- 
Juergen Hannken-Illjes - hannken@eis.cs.tu-bs.de - TU Braunschweig (Germany)