=> 0x7f5c8b21cd05 : cmp $0xfffffffffffff000,%rax 0x7f5c8b21cd0b : ja 0x7f5c8b21cd1f 0x7f5c8b21cd0d : repz retq 0x7f5c8b21cd0f : nop 0x7f5c8b21cd10 : test %eax,%eax 0x7f5c8b21cd12 : jg 0x7f5c8b21ccf5 0x7f5c8b21cd14 : test $0x7fffffff,%eax 0x7f5c8b21cd19 : je 0x7f5c8b21cd30 0x7f5c8b21cd1b : neg %eax 0x7f5c8b21cd1d : jmp 0x7f5c8b21ccf5 0x7f5c8b21cd1f : mov 0x35927a(%rip),%rdx # 0x7f5c8b575fa0 0x7f5c8b21cd26 : neg %eax 0x7f5c8b21cd28 : mov %eax,%fs:(%rdx) 0x7f5c8b21cd2b : or $0xffffffffffffffff,%rax 0x7f5c8b21cd2f : retq 0x7f5c8b21cd30 : mov %esi,%eax