AES_FLAGS_GTAGEN
dd->flags |= AES_FLAGS_GTAGEN;
if (likely(dd->flags & AES_FLAGS_GTAGEN)) {
dd->flags &= ~(AES_FLAGS_OPMODE_MASK | AES_FLAGS_GTAGEN);
if (likely(dd->flags & AES_FLAGS_GTAGEN))
AES_FLAGS_GTAGEN)