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From: Tom Lane <tgl@sss.pgh.pa.us>
To: John Naylor <john.naylor@enterprisedb.com>
Cc: Nathan Bossart <nathandbossart@gmail.com>
Cc: Thomas Munro <thomas.munro@gmail.com>
Cc: Andres Freund <andres@anarazel.de>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Subject: Re: use ARM intrinsics in pg_lfind32() where available
Date: Mon, 29 Aug 2022 00:28:24 -0400
Message-ID: <2990657.1661747304@sss.pgh.pa.us> (raw)
In-Reply-To: <CAFBsxsEyR9JkfbPcDXBRYEfdfC__OkwVGdwEAgY4Rv0cvw35EA@mail.gmail.com>
References: <CAFBsxsE-mCC4Dxb6wmgEZTynyKtER0Y0ha_Rw_rLMY_u2j2oqg@mail.gmail.com>
	<20220825045729.GA1458024@nathanxps13>
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	<CAFBsxsEyR9JkfbPcDXBRYEfdfC__OkwVGdwEAgY4Rv0cvw35EA@mail.gmail.com>

John Naylor <john.naylor@enterprisedb.com> writes:
> I wonder if we should explain briefly what saturating arithmetic is. I
> had never encountered it outside of a SIMD programming context.

+1, it's at least worth a sentence to define the term.

			regards, tom lane





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  Cc: tgl@sss.pgh.pa.us, john.naylor@enterprisedb.com, nathandbossart@gmail.com, thomas.munro@gmail.com, andres@anarazel.de
  Subject: Re: use ARM intrinsics in pg_lfind32() where available
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