=> 0x7ff2f39ed475 : cmp $0xfffffffffffff000,%rax 0x7ff2f39ed47b : ja 0x7ff2f39ed48f 0x7ff2f39ed47d : repz retq 0x7ff2f39ed47f : nop 0x7ff2f39ed480 : test %eax,%eax 0x7ff2f39ed482 : jg 0x7ff2f39ed465 0x7ff2f39ed484 : test $0x7fffffff,%eax 0x7ff2f39ed489 : je 0x7ff2f39ed4a0 0x7ff2f39ed48b : neg %eax 0x7ff2f39ed48d : jmp 0x7ff2f39ed465 0x7ff2f39ed48f : mov 0x37d98a(%rip),%rdx # 0x7ff2f3d6ae20 0x7ff2f39ed496 : neg %eax 0x7ff2f39ed498 : mov %eax,%fs:(%rdx) 0x7ff2f39ed49b : or $0xffffffffffffffff,%rax 0x7ff2f39ed49f : retq 0x7ff2f39ed4a0 : mov %esi,%eax