https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119014
--- Comment #14 from Jakub Jelinek <jakub at gcc dot gnu.org> --- (In reply to Vincent Lefèvre from comment #13) > -fexcess-precision is not meant to have an effect on __FLT_EVAL_METHOD__, No, -fexcess-precision= is meant to have an effect on __FLT_EVAL_METHOD__, it is what it has been doing since it has been introduced.