On 05/06/2013 05:51 PM, Linus Torvalds wrote:
>
>> 4. Do some macro hacks so the bitops are dependent on the size of the
>> argument.
>
> That sounds insane. Just *how* could the size of the argument even
> matter? Seriously, there's no *difference* between a 32-bit or a
> 64-bit index. The code is the same, there's no possible reason to make
> it be different.
>
The only reason on x86 would be to avoid the REX prefix. Hardly worth
it, though.
-hpa
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