🚀 go-pugleaf

A.Main@dcs.warwick.ac.uk (Zefram) writes:

: Andries Brouwer <aeb@cwi.nl> wrote:
:: Do you use arithmetic on IPv6 addresses?)

: Yes.  Generally bitwise and/or/xor, so it's not all that inconvenient
: to use an array of char/short/int/long, but there's the problem: which
: is more efficient?  If a processor has native instructions to perform
: these operations on 64 bit values, ...

:: There is no need to have integral types that are required to have
:: more than 64 bits.

Maybe you overlooked the word `required'?
Of course, if a processor handles 64-bit values especially well,
such values will probably be used as shorts or ints or longs
(or long longs) by the native C compiler.

: "640K ought to be enough for anyone."

Try counting to 2^64, and come back when you finish.