https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84522
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Component|c |target --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- IIRC this was done because there is no atomic load/stores or a way to do backwards compatible.