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Re: Making --with-wide-int the default


From: David Kastrup
Subject: Re: Making --with-wide-int the default
Date: Fri, 16 Oct 2015 10:31:32 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux)

Paul Eggert <address@hidden> writes:

> Eli Zaretskii wrote:
>> Would you say it's safe to make this the default for Emacs 25?
>
> I'd say it's safe, yes.  --with-wide-int assumes 64-bit int but since
> we're requiring C99-or-later now this should be safe.  And as you say,
> if there are performance problems people can configure
> --with-wide-int=no.

I don't it's sensible to configure a non-native default turning
everything into multiple-register operations and obliterating compact
data structures matching the architecture's choices.

-- 
David Kastrup



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