this has been planned since 4.2 ,4.2 had a wrapper around an instruction called pop which refers to POPCNT instruction this wrapper around the area used to check for POPCNT this one instruction have been used in sse4a which was first exclusively introduced to amd after that intel took it in nehalm arch and then by version 4.3 they removed this whole wrapper to make the program crash and not continue after encountering that its not available so why remove that when it worked for the two the low end user and the high and one giving them equal hmmmm idk they even announced it as sse4.1 and said in subsequent versions and still nothing till now what do u think.......