RFC: A new MIPS64 ABI

[David Daney]

On 02/14/2011 06:14 PM, Joe Buck wrote:
> On Mon, Feb 14, 2011 at 05:57:13PM -0800, Paul Koning wrote:
>> It seems that this proposal would benefit programs that need more than 2 GB but less than 4 GB, and for some reason really don't want 64 bit pointers.
>>
>> This seems like a microscopically small market segment.  I can't see any sense in such an effort.
>
> I remember the RHEL hugemem patch being a big deal for lots of their
> customers, so a process could address the full 4GB instead of only 3GB
> on a 32-bit machine.  If I recall correctly, upstream didn't want it
> (get a 64-bit machine!) but lots of paying customers clamored for it.
>
> (I personally don't have an opinion on whether it's worth bothering with).
>

Also look at the new x86_64 ABI (See all those X32 psABI messages) that 
the Intel folks are actively working on.  This proposal is very similar 
to what they are doing.

David Daney