Re: AIX support - alignment issues

From: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, Peter Geoghegan <pg(at)bowt(dot)ie>, Andres Freund <andres(at)anarazel(dot)de>, Noah Misch <noah(at)leadboat(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: AIX support - alignment issues
Date: 2022-07-10 23:19:18
Message-ID: CA+hUKGL4=dPsav-53Hayb7bEdut4V+hngZMmTBsq6e21x3J1eQ@mail.gmail.com
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On Fri, Jul 8, 2022 at 4:24 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Thomas Munro <thomas(dot)munro(at)gmail(dot)com> writes:
> > * The documented list mentions some in different endiannesses and word
> > sizes explicitly but not others; I think it'd be tidier to list the
> > main architecture names and then tack on a "big and little endian, 32
> > and 64 bit" sentence.
>
> As phrased, this seems to be saying that we can do both
> endiannesses on any of the supported arches, which is a little
> weird considering that most of them are single-endianness. It's
> not a big deal, but maybe a tad more word-smithing there would
> help?

OK, I word-smothe thusly:

+ and PA-RISC, including
+ big-endian, little-endian, 32-bit, and 64-bit variants where applicable.

I also realised that we should list a couple more OSes (we know they
work, they are automatically tested). Then I wondered why we bother
to state a Windows version here. For consistency, we could list the
minimum Linux kernel, and so on for every other OS, but that's silly
for such brief and general documentation. So I propose that we just
say "current versions of ..." and remove the bit about Windows 10.

Attachment Content-Type Size
v2-0001-Tidy-up-claimed-supported-CPUs-and-OSes.patch text/x-patch 4.1 KB

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