https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71246
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- So I think there needs to be some better documentation here with respect to the constraints that allow memory and the + modifier.
pinskia at gcc dot gnu.org via Gcc-bugs Tue, 14 Sep 2021 12:38:26 -0700
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71246
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- So I think there needs to be some better documentation here with respect to the constraints that allow memory and the + modifier.