GNU bug report logs - #46111
Reverting fns.c hash function due to OpenBSD/SPARC64 compile breaking

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Package: emacs;

Reported by: Ahmed Khanzada <me <at> enzu.ru>

Date: Tue, 26 Jan 2021 09:07:01 UTC

Severity: normal

Done: Stefan Monnier <monnier <at> iro.umontreal.ca>

Bug is archived. No further changes may be made.

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Message #82 received at 46111-done <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 46111-done <at> debbugs.gnu.org, me <at> enzu.ru
Subject: Re: bug#46111: Reverting fns.c hash function due to OpenBSD/SPARC64
 compile breaking
Date: Thu, 28 Jan 2021 12:30:22 -0500

> AFAIK, memcpy itself optimizes: once it gets to aligned address, it
> starts copying words instead of bytes.

I don't know what this `memcpy` code expands to on sparc64, but since it
turns into a plain `mov` on x86, I simplified the code to always use
`memcpy`.


        Stefan
This bug report was last modified 4 years and 117 days ago.

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