RFC: New approach to --with-cpu

[John David Anglin]

> Historical inconsistency.  PA appears to define -mschedule but not
> -mtune; the meaning appears to be about the same.  One thing I will
> _not_ do is allow --with-tune to set -mschedule, though; I'd rather add
> -mtune to PA and then use --with-tune.

My preference would be to leave things as they are and use --with-schedule.
-mschedule relates directly to the scheduling model.  The option value is PA
specific anyway.  We also have a whole bunch of other oddball -m options
which affect bits in the target flags.

Dave
-- 
J. David Anglin                                  dave.anglin@nrc.ca
National Research Council of Canada              (613) 990-0752 (FAX: 952-6605)