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From: Eli Zaretskii <eliz@gnu.org>
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Subject: Re: bignum branch
Date: Mon, 16 Jul 2018 17:40:10 +0300
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> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Date: Mon, 16 Jul 2018 08:19:07 -0400
> 
> > Yes, we need such wrappers in those cases.  Another use case is a
> > 32-bit build --with-wide-int.
> 
> Tho, eventually, bignums should make --with-wide-int redundant.

Only if we allow buffer and string text be referenced by a bignum, and
if the performance is comparable with --with-wide-int.

Is it reasonable to expect a comparable performance from native 32-bit
code calculating 64-bit values vs function calls?  I think I'd be
surprised.