Changing default -march flag

[Michael Gerdts]

When I built gcc 2.95.2, I used the flag --with-cpu=ultrasparc.  I have run
across optimization bugs that do not appear with the -msupersparc option.
(A bug report has been sent to gcc-bugs.)  To work around this bug I would
like to change the default architecture from ultrasparc to supersparc.

I suspect that I can change the default build architecture by editing
$prefix/lib/gcc-lib/sparc-sun-solaris2.7/2.95.2/specs.  Are there any hints
as to what I should change?  I would prefer not to have to wait for a
complete build to take place.

Attached is my specs file.

TIA,
Mike

-- 
Mike Gerdts
UNIX Systems Administrator
Computer-Aided Engineering Center
University of Wisconsin - Madison