From: Tom Lane <tgl@sss.pgh.pa.us>
To: John Naylor <johncnaylorls@gmail.com>
cc: Andres Freund <andres@anarazel.de>, pgsql-committers@lists.postgresql.org,
        cookt@blackduck.com
Subject: Re: pgsql: Inline CRC computation for small fixed-length input on x86
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Comments: In-reply-to Tom Lane <tgl@sss.pgh.pa.us>
	message dated "Mon, 31 Mar 2025 08:12:55 -0400"
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Date: Mon, 31 Mar 2025 09:09:06 -0400
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I wrote:
> What I conclude is that Red Hat hot-wired gcc to assume -msse4.2,
> but they didn't hot-wire clang the same way.

In confirmation of that: everything goes through fine if I manually
add -msse4.2 to configure's choice of BITCODE_CFLAGS.  Not sure if
that line of thought can lead to a usable solution, or if it's
superior to messing with the attributes on relevant functions as
you mooted upthread.

			regards, tom lane