=> 0x7fc268e2dd05 : cmp $0xfffffffffffff000,%rax 0x7fc268e2dd0b : ja 0x7fc268e2dd1f 0x7fc268e2dd0d : repz retq 0x7fc268e2dd0f : nop 0x7fc268e2dd10 : test %eax,%eax 0x7fc268e2dd12 : jg 0x7fc268e2dcf5 0x7fc268e2dd14 : test $0x7fffffff,%eax 0x7fc268e2dd19 : je 0x7fc268e2dd30 0x7fc268e2dd1b : neg %eax 0x7fc268e2dd1d : jmp 0x7fc268e2dcf5 0x7fc268e2dd1f : mov 0x35927a(%rip),%rdx # 0x7fc269186fa0 0x7fc268e2dd26 : neg %eax 0x7fc268e2dd28 : mov %eax,%fs:(%rdx) 0x7fc268e2dd2b : or $0xffffffffffffffff,%rax 0x7fc268e2dd2f : retq 0x7fc268e2dd30 : mov %esi,%eax