GNU bug report logs - #70898
switching to <stdbit.h> for Emacs bit ops

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Package: emacs;

Reported by: Paul Eggert <eggert <at> cs.ucla.edu>

Date: Sun, 12 May 2024 22:10:01 UTC

Severity: normal

Done: Paul Eggert <eggert <at> cs.ucla.edu>

Bug is archived. No further changes may be made.

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From: Mattias Engdegård <mattias.engdegard <at> gmail.com>
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: 70898 <at> debbugs.gnu.org
Subject: bug#70898: switching to <stdbit.h> for Emacs bit ops
Date: Tue, 14 May 2024 13:11:53 +0200

13 maj 2024 kl. 18.56 skrev Paul Eggert <eggert <at> cs.ucla.edu>:

> (porting to theoretical platforms where C integers are wider than 256 bits!)

Impressive! Now all we need is a run-time parametrisable C compiler that can use arbitrary integer sizes, so that your work can be tested.
(Actually that would be incredibly useful for portability work, if only.)

> Yes, that text is weird and I also didn't have a clue as to what it meant. So I cloned latest glibc+gcc behavior and hoped for the best.

Indeed I misunderstood the text and the stdc_find_{first,last} functions look pretty useless. Good to know.
This bug report was last modified 1 year and 1 day ago.

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