=> 0x7f863b41ad05 : cmp $0xfffffffffffff000,%rax 0x7f863b41ad0b : ja 0x7f863b41ad1f 0x7f863b41ad0d : repz retq 0x7f863b41ad0f : nop 0x7f863b41ad10 : test %eax,%eax 0x7f863b41ad12 : jg 0x7f863b41acf5 0x7f863b41ad14 : test $0x7fffffff,%eax 0x7f863b41ad19 : je 0x7f863b41ad30 0x7f863b41ad1b : neg %eax 0x7f863b41ad1d : jmp 0x7f863b41acf5 0x7f863b41ad1f : mov 0x36a27a(%rip),%rdx # 0x7f863b784fa0 0x7f863b41ad26 : neg %eax 0x7f863b41ad28 : mov %eax,%fs:(%rdx) 0x7f863b41ad2b : or $0xffffffffffffffff,%rax 0x7f863b41ad2f : retq 0x7f863b41ad30 : mov %esi,%eax