RE: Use __attribute__((target(sse4.2))) for SSE42 CRC32C

From: "Devulapalli, Raghuveer" <raghuveer(dot)devulapalli(at)intel(dot)com>
To: Nathan Bossart <nathandbossart(at)gmail(dot)com>
Cc: "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org>, "Shankaran, Akash" <akash(dot)shankaran(at)intel(dot)com>
Subject: RE: Use __attribute__((target(sse4.2))) for SSE42 CRC32C
Date: 2024-11-08 18:43:12
Message-ID: PH8PR11MB8286AE76CEDCAA05ED426ED9FB5D2@PH8PR11MB8286.namprd11.prod.outlook.com
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> I believe we expect MSVC builds to use meson at this point, which is probably
> why there's this extra check:
>
> if cc.get_id() == 'msvc'
> cdata.set('USE_SSE42_CRC32C', false)
> cdata.set('USE_SSE42_CRC32C_WITH_RUNTIME_CHECK', 1)
> have_optimized_crc = true
>

Ah, I missed this. This makes sense.

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