Re: [PATCH] Hex-coding optimizations using SVE on ARM. - Mailing list pgsql-hackers

From Tom Lane
Subject Re: [PATCH] Hex-coding optimizations using SVE on ARM.
Date
Msg-id 622082.1736834344@sss.pgh.pa.us
Whole thread Raw
In response to Re: [PATCH] Hex-coding optimizations using SVE on ARM.  (Nathan Bossart <nathandbossart@gmail.com>)
Responses Re: [PATCH] Hex-coding optimizations using SVE on ARM.
List pgsql-hackers
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



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