=> 0x7fe95842d445 : cmp $0xfffffffffffff000,%rax 0x7fe95842d44b : ja 0x7fe95842d45f 0x7fe95842d44d : repz retq 0x7fe95842d44f : nop 0x7fe95842d450 : test %eax,%eax 0x7fe95842d452 : jg 0x7fe95842d435 0x7fe95842d454 : test $0x7fffffff,%eax 0x7fe95842d459 : je 0x7fe95842d470 0x7fe95842d45b : neg %eax 0x7fe95842d45d : jmp 0x7fe95842d435 0x7fe95842d45f : mov 0x37f9ba(%rip),%rdx # 0x7fe9587ace20 0x7fe95842d466 : neg %eax 0x7fe95842d468 : mov %eax,%fs:(%rdx) 0x7fe95842d46b : or $0xffffffffffffffff,%rax 0x7fe95842d46f : retq 0x7fe95842d470 : mov %esi,%eax