Re: Porting to IBM Risc 6000

["Perry E. Metzger" <perry%piermont.com@localhost>]

Jason R Thorpe <thorpej%wasabisystems.com@localhost> writes:
> On Tue, Aug 13, 2002 at 11:11:07AM -0700, Matt Thomas wrote:
>  > >         All 64-bit issues are hidden in the kernel.  Leave it that way.
>  > 
>  > Depends on if there is need for an app to have more than 4G of address
>  > space.  Granted that will need to be a big machine but eventually that
>  > will need to happen.
> 
> There's also the "64-bit native types in 64-bit registers" thing.  This
> is what e.g. N32 is all about on MIPS.  Is there such an ABI for PowerPC?

It certainly is a lot nicer to be able to do 64 bit operations for
speed even if you don't use 64 bit pointers for space reasons.

-- 
Perry E. Metzger                perry%piermont.com@localhost
--
"Ask not what your country can force other people to do for you..."