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

From Devulapalli, Raghuveer
Subject RE: Popcount optimization using AVX512
Date
Msg-id PH8PR11MB828607C32E9C914356A1DE16FB542@PH8PR11MB8286.namprd11.prod.outlook.com
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In response to Re: Popcount optimization using AVX512  (Nathan Bossart <nathandbossart@gmail.com>)
List pgsql-hackers
> 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.

Right. __has_attribute (target) produces a compiler warning on MSVC: https://gcc.godbolt.org/z/EfWGxbvj3. Might need to
guardthat with #if defined(__has_attribute) to get rid of it.  

>
> --
> nathan



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