Re: setsockopt() compat issue

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

On Sun, Oct 19, 2008 at 02:04:36PM +0200, Johnny Billquist wrote:
>> The very concept of "native word size" is fuzzy, as soon as hardware has
>> registers of different sizes. For most purposes size_t is reasonable,
>> but not always. It can be more efficient to use shorter registers, e.g.
>> on AMD64 you get shorter opcodes.
>
> Interesting. Which archtecture have registers of different sizes? I  
> can't really think of any, except a few cases where subparts of a  
> register can be referred to individually, but that don't change the  
> actual word size of the register.

The multimedia extensions often fall into this category. I would have to
dig deeper to find more specific examples.

Joerg