Re: [PATCH 02/17] bitops: Add generic parity calculation for u64

"H. Peter Anvin" <[email protected]>
Newsgroups dev.linux.lists.brcm80211,org.freedesktop.lists.dri-devel,org.infradead.lists.linux-mtd,org.kernel.vger.bpf,org.kernel.vger.linux-input,org.kernel.vger.linux-kernel,org.kernel.vger.linux-media,org.kernel.vger.linux-serial,org.kernel.vger.linux-wireless,org.kernel.vger.netdev
Message-ID <[email protected]>
On February 25, 2025 1:43:27 PM PST, Andrew Cooper <[email protected]> wrote:
>> Incidentally, in all of this, didn't anyone notice __builtin_parity()?
>
>Yes.  It it has done sane for a decade on x86, yet does things such as
>emitting a library call on other architectures.
>
>https://godbolt.org/z/6qG3noebq
>
>~Andrew

And not even a smart one at that.
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