https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89093
--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> --- If the EABI has such requirements, then libgcc/config/arm/t-arm (or whatever else) needs to pass down -msoft-float (or whatever else disables the VFP registers), rather than relying on that the compiler won't choose them.