Re: [PATCH 02/17] bitops: Add generic parity calculation for u64
From: H. Peter Anvin
Date: Tue Feb 25 2025 - 20:40:05 EST
On February 25, 2025 1:43:27 PM PST, Andrew Cooper <andrew.cooper3@xxxxxxxxxx> 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.