|----------------------------------------------------------------------------------------------|
|    |    arch_xchg_release       |     arch_cmpxchg_release     |     __smp_store_release     |
|    |-----------------------------------------------------------------------------------------|
|    | zabha      | !zabha        | zabha+zacas | !(zabha+zacas) | zalasr        | !zalasr     |
| rl |-----------------------------------------------------------------------------------------|
|    |            | (fence rw, w) |             | (fence rw, w)  |               | fence rw, w |
|    | amoswap.rl | lr.w          | amocas.rl   | lr.w           | s{b|h|w|d}.rl | s{b|h|w|d}  |
|    |            | sc.w.rl       |             | sc.w.rl        |               |             |
|----------------------------------------------------------------------------------------------|
|    |    arch_xchg_acquire       |     arch_cmpxchg_acquire     |    __smp_load_acquire       |
|    |-----------------------------------------------------------------------------------------|
|    | zabha      | !zabha        | zabha+zacas | !(zabha+zacas) | zalasr        | !zalasr     |
| aq |-----------------------------------------------------------------------------------------|
|    |            | lr.w.aq       |             | lr.w.aq        |               | l{b|h|w|d}  |
|    | amoswap.aq | sc.w          | amocas.aq   | sc.w           | l{b|h|w|d}.aq | fence r, rw |
|    |            | (fence r, rw) |             | (fence r, rw)  |               |             |
|----------------------------------------------------------------------------------------------|

(fence rw, w), (fence r, rw) here means such instructions will only be inserted when zalasr is not implemented.