cpu.x86: enable bit-count intrinsic if POPCNT available
cpu.x86: enable bit-count intrinsic if POPCNT available
mcandre/factor,erg/factor,mcandre/factor,erg/factor,mcandre/factor,ceninan/factor,cataska/factor,mcandre/factor,cataska/factor,mcandre/factor,erg/factor,kingcons/factor,cataska/factor,erg/factor,ceninan/factor,ceninan/factor,erg/factor,ceninan/factor,mcandre/factor,kingcons/factor,kingcons/factor,erg/factor,erg/factor,mcandre/factor,cataska/factor,kingcons/factor