In article <200101241454.f0OEsxY25962@mirage.ceres.dti.ne.jp>,
Izumi Tsutsui  <tsutsui@ceres.dti.ne.jp> wrote:
> In <200101230046.CAA19626@netbsd.hut.fi>
> bjh21@netbsd.org wrote:
> 
> > XXX Why not use MACHINE_CPU rather than MACHINE_ARCH here?  Does the endianness
> > XXX really matter?
> 
> MACHINE_ARCH shows binary compatibility and MACHINE_CPU
> (which is not appeared yet in tree) will be used to show
> source compatibility.
> 
> Ultrix rc5des client works on pmax and hpcmips,
> but not on newsmips nor sgimips.

Yes, but in the context of http://www.netbsd.org/developers/features/,
there doesn't seem to be any difference between mipseb/mipsel or
sh3el,sh3eb, which I think was his point.