https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106763
--- Comment #14 from Richard Earnshaw <rearnsha at gcc dot gnu.org> --- Also beware that I don't think Russel King (Arm Linux kernel maintainer) would accept this patch on its own. You'd likely need to add some boot time detection of the additional feature and expose that through the HWCAP interface to do a complete patch. But that's icing on the cake really.