[mercury-users] 64-bit ints on 32-bit platforms

[Zoltan Somogyi]

On 14-Oct-2009, Michael Day <mikeday at yeslogic.com> wrote:
> I guess what I'm getting at is that it doesn't seem possible to have a 
> 64-bit unboxed value in 32-bit Mercury code, unless the programmer 
> explicitly stores and passes two 32-bit integers each time, which will 
> break abstraction and be completely unnecessary on 64-bit platforms.
>
> Is this correct?

Yes. By definition, unboxed values are stored (amongst other places)
in machine registers, and on 32 bit machines, those are (again by definition)
32 bits in size.

Zoltan.
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