Re: [PATCH] Hex-coding optimizations using SVE on ARM.

From: John Naylor <johncnaylorls(at)gmail(dot)com>
To: Nathan Bossart <nathandbossart(at)gmail(dot)com>
Cc: "Chiranmoy(dot)Bhattacharya(at)fujitsu(dot)com" <Chiranmoy(dot)Bhattacharya(at)fujitsu(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, David Rowley <dgrowleyml(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, "Devanga(dot)Susmitha(at)fujitsu(dot)com" <Devanga(dot)Susmitha(at)fujitsu(dot)com>, "Ragesh(dot)Hajela(at)fujitsu(dot)com" <Ragesh(dot)Hajela(at)fujitsu(dot)com>
Subject: Re: [PATCH] Hex-coding optimizations using SVE on ARM.
Date: 2025-10-03 07:36:47
Message-ID: CANWCAZYMZwwh9Nwo7NBKrWBn0goJ4i-_=pTAvnhgTy6_3C9=Zg@mail.gmail.com
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On Fri, Oct 3, 2025 at 12:33 AM Nathan Bossart <nathandbossart(at)gmail(dot)com> wrote:
> [v13]

LGTM, but I went back and checked if vector8_zero() actually does
anything different than vector8_boadcast(0), and in fact it doesn't on
compilers we support for either x86 or Arm. I pulled the former out
from older work, but it seems irrelevant now. Pardon the noise.

--
John Naylor
Amazon Web Services

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