opal_thread_xor_fetch_64 229 opal/threads/thread_usage.h #define OPAL_THREAD_XOR_FETCH64 opal_thread_xor_fetch_64 opal_thread_xor_fetch_64 230 opal/threads/thread_usage.h #define OPAL_ATOMIC_XOR_FETCH64 opal_thread_xor_fetch_64