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From: Tom Lane <[email protected]>
To: John Naylor <[email protected]>
Cc: Andres Freund <[email protected]>
Cc: [email protected]
Cc: [email protected]
Subject: Re: pgsql: Inline CRC computation for small fixed-length input on x86
Date: Mon, 31 Mar 2025 09:09:06 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
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	<CANWCAZZSxs3a1YRKehkgk2OHKbrVn+xZ+AWW8Co2R_f70NqqmA@mail.gmail.com>
	<[email protected]>

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

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