Re: Remove last traces of HPPA support

Thomas Munro <thomas.munro@gmail.com>

From: Thomas Munro <thomas.munro@gmail.com>

To: Heikki Linnakangas <hlinnaka@iki.fi>

Cc: Tom Lane <tgl@sss.pgh.pa.us>, Noah Misch <noah@leadboat.com>, Andres Freund <andres@anarazel.de>, pgsql-hackers@lists.postgresql.org

Date: 2024-08-01T05:32:42Z

Lists: pgsql-hackers

Attachments

0001-Standardize-macros-for-detecting-architectures.patch (text/x-patch) patch 0001

On Tue, Jul 30, 2024 at 12:39 PM Thomas Munro <thomas.munro@gmail.com> wrote:
> On Tue, Jul 30, 2024 at 11:16 AM Heikki Linnakangas <hlinnaka@iki.fi> wrote:
> > I think we should do:
> >
> > #ifdef _M_AMD64
> > #define __x86_64__
> > #endif
> >
> > somewhere, perhaps in src/include/port/win32.h.

I suppose we could define our own
PG_ARCH_{ARM,MIPS,POWER,RISCV,S390,SPARC,X86}_{32,64} in one central
place, instead.  Draft patch for illustration.

Commits

Require memory barrier support.
- 83aadbeb96f0 18.0 landed
Require compiler barrier support.
- a011dc399cc8 18.0 landed
Remove --disable-atomics, require 32 bit atomics.
- 813852613629 18.0 landed
Remove --disable-spinlocks.
- e25626677f80 18.0 landed
Remove support for HPPA (a/k/a PA-RISC) architecture.
- edadeb0710e8 18.0 landed
Add a basic atomic ops API abstracting away platform/architecture details.
- b64d92f1a560 9.5.0 cited