From: Tom Lane <tgl@sss.pgh.pa.us>
To: John Naylor <johncnaylorls@gmail.com>
cc: Nathan Bossart <nathandbossart@gmail.com>,
        "Chiranmoy.Bhattacharya@fujitsu.com"
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        "Devanga.Susmitha@fujitsu.com" <Devanga.Susmitha@fujitsu.com>,
        "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>,
        "Ragesh.Hajela@fujitsu.com" <Ragesh.Hajela@fujitsu.com>
Subject: Re: [PATCH] Hex-coding optimizations using SVE on ARM.
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Comments: In-reply-to John Naylor <johncnaylorls@gmail.com>
	message dated "Tue, 14 Jan 2025 12:27:30 +0700"
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Date: Tue, 14 Jan 2025 00:59:04 -0500
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John Naylor <johncnaylorls@gmail.com> writes:
> We can do about as well simply by changing the nibble lookup to a byte
> lookup, which works on every compiler and architecture:

I didn't attempt to verify your patch, but I do prefer addressing
this issue in a machine-independent fashion.  I also like the brevity
of the patch (though it could do with some comments perhaps, not that
the existing code has any).

			regards, tom lane