https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80878
rockeet <rockeet at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rockeet at gmail dot com --- Comment #19 from rockeet <rockeet at gmail dot com> --- Is there a way(command line option or -DSOME_MACRO ...) to make gcc issue cmpxchg16b for std::atomic<obj16b>.compare_exchange_* ?