winetricks Gentoo 64-bit WINEPREFIX
if you have this message
you’are using a 64-bit WINEPREFIX, most of winetricks hasn’t been fixed for win64 yet.
rm $HOME/.wine -rf export WINEARCH=win32 export WINEPREFIX=$HOME/.wine/
now, you use wine 32 bit into gentoo (or other distro) 64 bit :D