Re: vectorized CRC on ARM64

Peter Eisentraut <peter@eisentraut.org>

From: Peter Eisentraut <peter@eisentraut.org>

To: John Naylor <johncnaylorls@gmail.com>

Cc: Nathan Bossart <nathandbossart@gmail.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>

Date: 2026-07-01T07:07:35Z

Lists: pgsql-hackers

On 29.06.26 11:35, John Naylor wrote:
> On Mon, Jun 29, 2026 at 3:52 PM Peter Eisentraut <peter@eisentraut.org> wrote:
>>
>> It looks like this patch was developed concurrently with the switch from
>> pg_attribute_aligned to C11 standard alignas, and it ended up being
>> committed with the "old" style.  I propose the attached patch to update
>> that.  It's only a stylistic change, but good for consistency and as an
>> example for future code.
> 
> Looks good to me.

Committed.

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

Use C11 alignas instead of pg_attribute_aligned
- 182f6944d3d0 19 (unreleased) landed
- 8061bfd15abe master landed
Add missing guard for __builtin_constant_p
- 936d8974c3bc 18.4 landed
- 676626426285 19 (unreleased) landed
Exit early from pg_comp_crc32c_pmull for small inputs
- 948ef7cdc499 19 (unreleased) landed
Fix unused function warning on Arm platforms
- 2849fe4c9785 19 (unreleased) landed
Compute CRC32C on ARM using the Crypto Extension where available
- fbc57f2bc2ee 19 (unreleased) landed