=> 0x7fc687e12d05 : cmp $0xfffffffffffff000,%rax 0x7fc687e12d0b : ja 0x7fc687e12d1f 0x7fc687e12d0d : repz retq 0x7fc687e12d0f : nop 0x7fc687e12d10 : test %eax,%eax 0x7fc687e12d12 : jg 0x7fc687e12cf5 0x7fc687e12d14 : test $0x7fffffff,%eax 0x7fc687e12d19 : je 0x7fc687e12d30 0x7fc687e12d1b : neg %eax 0x7fc687e12d1d : jmp 0x7fc687e12cf5 0x7fc687e12d1f : mov 0x35927a(%rip),%rdx # 0x7fc68816bfa0 0x7fc687e12d26 : neg %eax 0x7fc687e12d28 : mov %eax,%fs:(%rdx) 0x7fc687e12d2b : or $0xffffffffffffffff,%rax 0x7fc687e12d2f : retq 0x7fc687e12d30 : mov %esi,%eax