Re: Popcount optimization using AVX512 - Mailing list pgsql-hackers

From Nathan Bossart
Subject Re: Popcount optimization using AVX512
Date
Msg-id ZyKgsihSKB0kAI3U@nathan
Whole thread Raw
In response to Re: Popcount optimization using AVX512  (Raghuveer Devulapalli <raghuveer.devulapalli@intel.com>)
Responses RE: Popcount optimization using AVX512
List pgsql-hackers
On Wed, Oct 30, 2024 at 08:53:10PM +0000, Raghuveer Devulapalli wrote:
> BTW, I just realized function attributes for xsave and avx512 don't work
> on MSVC (see
> https://developercommunity.visualstudio.com/t/support-function-target-attribute-and-mutiversioning/10130630).
> Not sure if you care about it. Its an easy fix (see
> https://gcc.godbolt.org/z/Pebdj3vMx).

Oh, good catch.  IIUC we only need to check for #ifndef _MSC_VER in the
configure programs for meson.  pg_attribute_target will be empty on MSVC,
and I believe we only support meson builds there.

-- 
nathan



pgsql-hackers by date:

Previous
From: Peter Smith
Date:
Subject: Re: define pg_structiszero(addr, s, r)
Next
From: Aleksander Alekseev
Date:
Subject: Having problems generating a code coverage report