Huh, TIL. I always assumed this to be a rather old instruction, but turns out it was only added fairly recently on x86 https://vaibhavsagar.com/blog/2019/09/08

Huh, TIL. I always assumed this to be a rather old instruction, but turns out it was only added fairly recently on x86 https://vaibhavsagar.com/blog/2019/09/08/popcount/ https://vaibhavsagar.com/blog/2019/09/08/popcount/