GNU bug report logs - #32463
27.0.50; (logior -1) => 4611686018427387903

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Package: emacs;

Reported by: Katsumi Yamaoka <yamaoka <at> jpl.org>

Date: Fri, 17 Aug 2018 03:31:02 UTC

Severity: normal

Found in version 27.0.50

Done: Glenn Morris <rgm <at> gnu.org>

Bug is archived. No further changes may be made.

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Message #110 received at 32463 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Andy Moreton <andrewjmoreton <at> gmail.com>
Cc: 32463 <at> debbugs.gnu.org
Subject: Re: bug#32463: 27.0.50; (logior -1) => 4611686018427387903
Date: Tue, 21 Aug 2018 19:56:29 -0700

> Have you checked a mini-gmp build to ensure that this patch works if
> the GMP library is not installed ?

I have now. :-)  It works, in the sense that Emacs builds and fails only the 
tests that it was already failing.

> It might be slightly faster to use mpz_limbs_read in make_number instead
> of mpz_getlimbn.

On Fedora 28 x86-64, mpz_getlimbn is inline whereas mpz_limbs_read is a function 
call, so it's not clear which should be faster. Another item on the list of 
things to do....
This bug report was last modified 6 years and 320 days ago.

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