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Date: Sat,  5 May 2012 22:58:26 -0400
From: "Joel C. Salomon" <joelcsalomon@gmail.com>
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Subject: Re: [9fans] integer width on AMD64
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On 05/05/2012 05:06 PM, Comeau At9Fans wrote:
> On Sat, May 5, 2012 at 1:48 PM, Charles Forsyth wrote:
>
>     if it's performance you're worried about, for programs that don't
>     care about width, i'd expect 32 bits at least
>     to match performance with 64 bits (if there's a measurable
>     difference). for one thing, cache lines will contain
>     more values, and several will be fetched at once when cache lines
>     are filled.
>
> And for programs that do care about this, C99 provides things such as
> int_fast64_t (which IIRC 8c et al does not currently support).

<stdint.h> is just a bunch of typedef's, some of which have been
included, under different names (u{8,16,32,64}int), in <u.h>.  Wouldn't
be hard to provide for APE if anyone wants it.

--Joel