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

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>
To: Andres Freund <andres@anarazel.de>
Cc: Noah Misch <noah@leadboat.com>, Hans Buschmann <buschmann@nidsa.net>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>
Date: 2023-05-24T23:51:22Z
Lists: pgsql-hackers
Andres Freund <andres@anarazel.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