Re: centralize CPU feature detection - Mailing list pgsql-hackers

From John Naylor
Subject Re: centralize CPU feature detection
Date
Msg-id CANWCAZbAPFT0w-gZGS4dfJ4HPk7tRAed6vUS67TdEJ1-DoqCHg@mail.gmail.com
Whole thread Raw
In response to Re: centralize CPU feature detection  (Zsolt Parragi <zsolt.parragi@percona.com>)
List pgsql-hackers
On Wed, Feb 25, 2026 at 8:09 PM Zsolt Parragi <zsolt.parragi@percona.com> wrote:
>
> Both look good to me.

Pushed 0002 after making sure AVX-512 detection still worked, thanks
for the review! I think 0003 needs a link to the Intel manual for the
XCR symbol values, and I'll push shortly after I add that.

> This isn't part of the patch, and it seems harmless, but while
> reviewing the CRC functions, I noticed that pg_crc32c.h  is
> inconsistent with its dllimport markers, pg_comp_crc32c has 3
> different declarations, and only 1 of them is marked PGDLLIMPORT.

Yeah, I think that crept in during development to keep Windows CI
building with a not-for-commit test module. I'll remove it soon.

--
John Naylor
Amazon Web Services



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