https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105162
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[AArch64] outline-atomics |[9/10/11/12/13 Regression] |drops dmb ish barrier on |[AArch64] outline-atomics |__sync builtins |drops dmb ish barrier on | |__sync builtins See Also| |https://gcc.gnu.org/bugzill | |a/show_bug.cgi?id=65697 --- Comment #15 from Andrew Pinski <pinskia at gcc dot gnu.org> --- This was a regression as outline is the default on most aarch64 targets.