#ifndef __TRACYPOPCNT_HPP__ #define __TRACYPOPCNT_HPP__ #include #if defined _WIN64 # include # define TracyCountBits __popcnt64 #elif defined __GNUC__ || defined __clang__ static inline uint64_t TracyCountBits( uint64_t i ) { return uint64_t( __builtin_popcountll( i ) ); } #else static inline uint64_t TracyCountBits( uint64_t i ) { i = i - ( (i >> 1) & 0x5555555555555555 ); i = ( i & 0x3333333333333333 ) + ( (i >> 2) & 0x3333333333333333 ); i = ( (i + (i >> 4) ) & 0x0F0F0F0F0F0F0F0F ); return ( i * (0x0101010101010101) ) >> 56; } #endif #endif