=> 0x7fc3c256f445 : cmp $0xfffffffffffff000,%rax 0x7fc3c256f44b : ja 0x7fc3c256f45f 0x7fc3c256f44d : repz retq 0x7fc3c256f44f : nop 0x7fc3c256f450 : test %eax,%eax 0x7fc3c256f452 : jg 0x7fc3c256f435 0x7fc3c256f454 : test $0x7fffffff,%eax 0x7fc3c256f459 : je 0x7fc3c256f470 0x7fc3c256f45b : neg %eax 0x7fc3c256f45d : jmp 0x7fc3c256f435 0x7fc3c256f45f : mov 0x37d9ba(%rip),%rdx # 0x7fc3c28ece20 0x7fc3c256f466 : neg %eax 0x7fc3c256f468 : mov %eax,%fs:(%rdx) 0x7fc3c256f46b : or $0xffffffffffffffff,%rax 0x7fc3c256f46f : retq 0x7fc3c256f470 : mov %esi,%eax