https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114437
--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> --- You can juse use "+mr" without the comma. There is no way to use alterantives in inline-asm.
pinskia at gcc dot gnu.org via Gcc-bugs Fri, 22 Mar 2024 17:10:20 -0700
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114437
--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> --- You can juse use "+mr" without the comma. There is no way to use alterantives in inline-asm.