Horton

Re: AIX support - alignment issues

Andres Freund <andres@anarazel.de>

View thread View on postgr.es
From: Andres Freund <andres@anarazel.de>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Noah Misch <noah@leadboat.com>, pgsql-hackers@postgresql.org
Date: 2022-07-05T06:30:14Z
Lists: pgsql-hackers 
Hi,

On 2022-07-05 01:36:24 -0400, Tom Lane wrote:
> Andres Freund <andres@anarazel.de> writes:
> > I just thought an easier way - why don't we introduce a 'catalog_double'
> > that's defined to be pg_attribute_aligned(whatever-we-need) on AIX? Then we
> > can get rid of the manually enforced alignedness and we don't need to contort
> > catalog order.
> 
> Hm, do all the AIX compilers we care about have support for that?
> If so, it seems like a great idea.

Afaics we support xlc and gcc on AIX, and we enable the attribute for both
already. So, I think they do.

Greetings,

Andres Freund

Commits

  1. Doc: Acknowledge historically supported CPUs and OSes.

  2. Further tidy-up for old CPU architectures.

  3. Tidy up claimed supported CPUs and OSes.

  4. Remove HP/Intel Itanium support.

  5. Remove HP-UX port.

  6. Reorder subskiplsn in pg_subscription to avoid alignment issues.

  7. Tighten TAP tests' tracking of postmaster state some more.

  8. Reorder pg_sequence columns to avoid alignment issue