Re: Drop 32-bit support (was "Re: Fix typo 586/686 in atomics/arch-x86.h")

From: Daniel Gustafsson <daniel(at)yesql(dot)se>
To: Jakub Wartak <jakub(dot)wartak(at)enterprisedb(dot)com>
Cc: Nathan Bossart <nathandbossart(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Tomas Vondra <tv(at)fuzzy(dot)cz>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, "Jonathan S(dot) Katz" <jkatz(at)postgresql(dot)org>
Subject: Re: Drop 32-bit support (was "Re: Fix typo 586/686 in atomics/arch-x86.h")
Date: 2026-03-12 13:32:49
Message-ID: CA85E2C8-6421-4677-930F-1E9A070620FA@yesql.se
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> On 12 Mar 2026, at 08:57, Jakub Wartak <jakub(dot)wartak(at)enterprisedb(dot)com> wrote:

> ..I think that the topic of removal 32-bit support deserves better transparency,
> so I'm sending this under new subject.

My interpretation of the comments in the thread was to remove 32-bit support
for 8 byte single-copy atomicity, not 32-bit support entirely. Maybe that was
a misunderstanding but it seems like a better place to start given that it
apparently doesn't work with no one complaining about it.

--
Daniel Gustafsson

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