https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91834
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- >libgcc/config/aarch64/lse.S:230: Warning: unpredictable: identical transfer >and status registers --`stlxr w17,w17,[x1] It is unpredictable even in the LP64 case of w17, x17 too.
