1 movq rSELF, OUT_ARG0 2 testl $$(THREAD_SUSPEND_OR_CHECKPOINT_REQUEST), THREAD_FLAGS_OFFSET(OUT_ARG0) 3 jz 1f 4 call SYMBOL(MterpSuspendCheck) 5 1: 6 xorq %rax, %rax 7 jmp MterpReturn 8