Re: Proposal: Removing 32 bit support starting from PG17++

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Noah Misch <noah(at)leadboat(dot)com>, Hans Buschmann <buschmann(at)nidsa(dot)net>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Proposal: Removing 32 bit support starting from PG17++
Date: 2023-05-24 23:51:22
Message-ID: 1353372.1684972282@sss.pgh.pa.us
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Andres Freund <andres(at)anarazel(dot)de> writes:
> On 2023-05-24 17:44:36 -0400, Tom Lane wrote:
>> Hmm, can we really expect atomic 8-byte reads on "relevant" 32-bit
>> platforms? I'd be on board with this if so, but it sounds a bit
>> optimistic.

> ...

> So it looks like the only certain problem is PA-RISC - which I personally
> wouldn't include in "relevant" :), with some evaluation needed for 32bit mips
> and old arms.

You'll no doubt be glad to hear that I'll be retiring chickadee
in the very near future. (I'm moving/downsizing, and that machine
isn't making the cut.) So dropping PA-RISC altogether should probably
happen for v17, maybe even v16. Seems like we should poke into
ARM more closely, though.

regards, tom lane

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