=> 0x7f237f2a2d05 : cmp $0xfffffffffffff000,%rax 0x7f237f2a2d0b : ja 0x7f237f2a2d1f 0x7f237f2a2d0d : repz retq 0x7f237f2a2d0f : nop 0x7f237f2a2d10 : test %eax,%eax 0x7f237f2a2d12 : jg 0x7f237f2a2cf5 0x7f237f2a2d14 : test $0x7fffffff,%eax 0x7f237f2a2d19 : je 0x7f237f2a2d30 0x7f237f2a2d1b : neg %eax 0x7f237f2a2d1d : jmp 0x7f237f2a2cf5 0x7f237f2a2d1f : mov 0x35927a(%rip),%rdx # 0x7f237f5fbfa0 0x7f237f2a2d26 : neg %eax 0x7f237f2a2d28 : mov %eax,%fs:(%rdx) 0x7f237f2a2d2b : or $0xffffffffffffffff,%rax 0x7f237f2a2d2f : retq 0x7f237f2a2d30 : mov %esi,%eax