https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79593
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> --- I see fld %st(0) in GCC 5 as well, and 4.8 and 4.4 too. So no idea what regression you are talking about.