Re: pgsql: Inline CRC computation for small fixed-length input on x86

From: Todd Cook <cookt(at)blackduck(dot)com>
To: John Naylor <johncnaylorls(at)gmail(dot)com>, John Naylor <john(dot)naylor(at)postgresql(dot)org>
Cc: "pgsql-committers(at)lists(dot)postgresql(dot)org" <pgsql-committers(at)lists(dot)postgresql(dot)org>
Subject: Re: pgsql: Inline CRC computation for small fixed-length input on x86
Date: 2025-03-31 18:58:32
Message-ID: B39D2CD2-CB8D-44D5-B396-6EDD5315249A@blackduck.com
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On 3/31/25, 7:17 AM, "John Naylor" <johncnaylorls(at)gmail(dot)com <mailto:johncnaylorls(at)gmail(dot)com>> wrote:
> A possible workaround would be add a normally-superfluous
> "pg_attribute_target("sse4.2")" to the inlined function, as in the
> attached.

The build succeeds on skimmer with this patch and using the configure command from
the build farm status page[1].

-- todd

[1] https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=skimmer&dt=2025-03-31%2018%3A00%3A14

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