base + index register addressing

Richard Henderson rth@cygnus.com
Fri Oct 17 20:51:00 GMT 1997


On Fri, Oct 17, 1997 at 11:07:12AM -0600, Jeffrey A Law wrote:
> Well, on targets where we do fp/ap elimination we still don't care
> all that much since most don't have reg + scaled reg/const + constant offset.
> Which is what such addresses will turn into when the fp/ap gets eliminated.
> 
> I'm not saying this extension isn't useful, just that it isn't as useful
> as one might initially think.

But i386 and m68k do, which are used widely enough to make it worth it.


r~



More information about the Gcc mailing list