+ SSE2 version of popcount
+ SSE2 version of popcount


git-svn-id: 5304e143e8d793994ae88e90452df1e2524f1faf@2096 a13746d7-5020-4d46-8679-245a07f888a7

Eppie/sse-popcount,WojciechMula/sse-popcount,Eppie/sse-popcount,Eppie/sse-popcount,WojciechMula/sse-popcount,WojciechMula/sse-popcount,WojciechMula/sse-popcount,Eppie/sse-popcount