ATOMIC_SIZE_CAS  7657 gc.c           	if (ATOMIC_SIZE_CAS(*var, val, val-sub) == val) break;
ATOMIC_SIZE_CAS   155 ruby_atomic.h  #ifndef ATOMIC_SIZE_CAS
ATOMIC_SIZE_CAS   191 ruby_atomic.h  #   define ATOMIC_PTR_CAS(var, oldval, val) (void *)ATOMIC_SIZE_CAS(*(size_t *)&(var), (size_t)(oldval), (size_t)(val))
ATOMIC_SIZE_CAS   220 ruby_atomic.h  #   define ATOMIC_VALUE_CAS(var, oldval, val) ATOMIC_SIZE_CAS(*(size_t *)&(var), (size_t)(oldval), (size_t)(val))