Horton

Re: centralize CPU feature detection

Zsolt Parragi <zsolt.parragi@percona.com>

View thread View on postgr.es
From: Zsolt Parragi <zsolt.parragi@percona.com>
To: John Naylor <johncnaylorls@gmail.com>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>, root <tenistarkim@gmail.com>, Nathan Bossart <nathandbossart@gmail.com>
Date: 2026-02-24T19:57:46Z
Lists: pgsql-hackers 
2 and 3 looks good too, I only found two more typos:


+ return pg_comp_crc32c(crc, data, len);
+};

That semicolon is not needed


And in the commit message:

"it has been intialized and if"

That should be initialized

Commits

  1. Remove extraneous PGDLLIMPORT

  2. Refactor detection of x86 ZMM registers

  3. Centralize detection of x86 CPU features

  4. Fix USE_SLICING_BY_8_CRC32C builds on x86

  5. Rename pg_crc32c_sse42_choose.c for general purpose