https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107456
--- Comment #4 from Thiago Macieira <thiago at kde dot org> --- (In reply to Thiago Macieira from comment #3) > With the Remote Atomic Operations (RAO) of AAND, AOR and AXOR, we can do > something. Correcting myself: the RAO instructions don't give us the result back either.