[x265] Interested in fast popcnt substitute below SSE4.2?

[Mario *LigH* Rohkrämer]

http://wm.ite.pl/articles/sse-popcount.html

May even be faster than the popcnt instruction implemented in a supporting  
CPU!

Found via a German "conspiracy news" blog (no, that's not at all meant  
seriously) which sometimes also mentions computer security issues and  
interesting programming challenges: https://blog.fefe.de/?ts=a653b91f

-- 

Fun and success!
Mario *LigH* Rohkrämer
mailto:contact at ligh.de