Re: ppc64 port

[Ian McKellar <yakk@yakk.net>]

On Wed, 2004-04-28 at 12:38 -0500, Peter Bergner wrote:
> Yes, all x86_64 distros are making 64-bit binaries the default.
> The question is why are they doing that, not "hmmm, if they're
> doing that for x64_64, that must be the correct answer for ppc64
> too".  The reason 64-bit is the default for x86_64 is as Ben
> mentioned above, they have access to more registers which leads
> to vastly less spill code versus 32-bit apps. 

Also, IIRC the x86-64 ABI specifies that int is still 32 bit - so much
of the memory penalty for going 64bit doesn't apply.

Ian