Re: use ARM intrinsics in pg_lfind32() where available

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: John Naylor <john(dot)naylor(at)enterprisedb(dot)com>
Cc: Nathan Bossart <nathandbossart(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: use ARM intrinsics in pg_lfind32() where available
Date: 2022-08-29 04:28:24
Message-ID: 2990657.1661747304@sss.pgh.pa.us
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John Naylor <john(dot)naylor(at)enterprisedb(dot)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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