=> 0x7f993e8483a5 : cmp $0xfffffffffffff000,%rax 0x7f993e8483ab : ja 0x7f993e8483bf 0x7f993e8483ad : repz retq 0x7f993e8483af : nop 0x7f993e8483b0 : test %eax,%eax 0x7f993e8483b2 : jg 0x7f993e848395 0x7f993e8483b4 : test $0x7fffffff,%eax 0x7f993e8483b9 : je 0x7f993e8483d0 0x7f993e8483bb : neg %eax 0x7f993e8483bd : jmp 0x7f993e848395 0x7f993e8483bf : mov 0x361a52(%rip),%rdx # 0x7f993eba9e18 0x7f993e8483c6 : neg %eax 0x7f993e8483c8 : mov %eax,%fs:(%rdx) 0x7f993e8483cb : or $0xffffffffffffffff,%rax 0x7f993e8483cf : retq 0x7f993e8483d0 : mov %esi,%eax