    lw     ra, THREAD_FLAGS_OFFSET(rSELF)
    move   a0, rSELF
    and    ra, (THREAD_SUSPEND_REQUEST | THREAD_CHECKPOINT_REQUEST)
    beqz   ra, 1f
    JAL(MterpSuspendCheck)                 # (self)
1:
    move   v0, zero
    move   v1, zero
    b      MterpReturn
