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Re: Add RISC-V Zbb popcount optimization - Mailing list pgsql-hackers

From John Naylor
Subject Re: Add RISC-V Zbb popcount optimization
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Msg-id CANWCAZb1rmrYay7ewsWXkR31qBomcm-a8emNX=Cf5ndC3qpZeQ@mail.gmail.com
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In response to Add RISC-V Zbb popcount optimization  ("Greg Burd" <greg@burd.me>)
Responses Re: Add RISC-V Zbb popcount optimization
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On Sat, Mar 21, 2026 at 11:56 PM Greg Burd <greg@burd.me> wrote:
> Attached is a small patch that enables hardware popcount on RISC-V when available and also sets the arch flag to
'rv64gc_zbb'flag when appropriate. 

I have to ask what the point is -- isn't that like putting a 4-inch
exhaust tip on a go-kart?

--
John Naylor
Amazon Web Services

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