https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98519
--- Comment #22 from Segher Boessenkool <segher at gcc dot gnu.org> --- Don't replace the constraints. For one thing, this is very hard to do correctly. Just make the "m" constraint not allow prefixed memory in asms, like I said above. (So all "general_operand" even!)
