=> 0x7fb29806f445 : cmp $0xfffffffffffff000,%rax 0x7fb29806f44b : ja 0x7fb29806f45f 0x7fb29806f44d : repz retq 0x7fb29806f44f : nop 0x7fb29806f450 : test %eax,%eax 0x7fb29806f452 : jg 0x7fb29806f435 0x7fb29806f454 : test $0x7fffffff,%eax 0x7fb29806f459 : je 0x7fb29806f470 0x7fb29806f45b : neg %eax 0x7fb29806f45d : jmp 0x7fb29806f435 0x7fb29806f45f : mov 0x37d9ba(%rip),%rdx # 0x7fb2983ece20 0x7fb29806f466 : neg %eax 0x7fb29806f468 : mov %eax,%fs:(%rdx) 0x7fb29806f46b : or $0xffffffffffffffff,%rax 0x7fb29806f46f : retq 0x7fb29806f470 : mov %esi,%eax