On Wed, Aug 09, 2006 at 07:32:48AM -0500, Tim & Alethea Larson wrote:
> John Klos wrote:
> >On the other hand, after recompiling the whole OS with -m68060, the 
> >performance should be as good as, or better, than with older NetBSD, and 
> >MUCH better than the daily NetBSD 3 binaries.
> 
> What kind of gains does one see optimizing for a specific processor as 
> opposed to a processor family?  Just curious.

-m68060 does avoid the 32bit time 32 bit with 64 bit result multiplication
and the 64 bit by 32 bit division with 32 bit result.

Does gcc create them nowadays more often than it used to?

Btw: the NetBSD/amiga kernel is always compiled with -m68060, maybe
unless 68060 support is not compiled into the kernel at all...

	-is
-- 
seal your e-mail: http://www.gnupg.org/