Use GCC popcount intrinsic for popcount
Use GCC popcount intrinsic for popcount

fr500/mgba,askotx/mgba,mgba-emu/mgba,libretro/mgba,cassos/mgba,MerryMage/mgba,Iniquitatis/mgba,askotx/mgba,askotx/mgba,sergiobenrocha2/mgba,Anty-Lemon/mgba,nattthebear/mgba,AdmiralCurtiss/mgba,Touched/mgba,cassos/mgba,libretro/mgba,nattthebear/mgba,matthewbauer/mgba,sergiobenrocha2/mgba,jeremyherbert/mgba,libretro/mgba,sergiobenrocha2/mgba,Iniquitatis/mgba,sergiobenrocha2/mgba,Anty-Lemon/mgba,iracigt/mgba,libretro/mgba,mgba-emu/mgba,Iniquitatis/mgba,iracigt/mgba,cassos/mgba,MerryMage/mgba,Iniquitatis/mgba,matthewbauer/mgba,iracigt/mgba,AdmiralCurtiss/mgba,sergiobenrocha2/mgba,mgba-emu/mgba,fr500/mgba,jeremyherbert/mgba,jeremyherbert/mgba,zerofalcon/mgba,iracigt/mgba,jeremyherbert/mgba,libretro/mgba,Touched/mgba,bentley/mgba,fr500/mgba,zerofalcon/mgba,MerryMage/mgba,fr500/mgba,bentley/mgba,zerofalcon/mgba,askotx/mgba,AdmiralCurtiss/mgba,Anty-Lemon/mgba,Touched/mgba,Anty-Lemon/mgba,mgba-emu/mgba