=> 0x7fdea6fcb445 : cmp $0xfffffffffffff000,%rax 0x7fdea6fcb44b : ja 0x7fdea6fcb45f 0x7fdea6fcb44d : repz retq 0x7fdea6fcb44f : nop 0x7fdea6fcb450 : test %eax,%eax 0x7fdea6fcb452 : jg 0x7fdea6fcb435 0x7fdea6fcb454 : test $0x7fffffff,%eax 0x7fdea6fcb459 : je 0x7fdea6fcb470 0x7fdea6fcb45b : neg %eax 0x7fdea6fcb45d : jmp 0x7fdea6fcb435 0x7fdea6fcb45f : mov 0x37f9ba(%rip),%rdx # 0x7fdea734ae20 0x7fdea6fcb466 : neg %eax 0x7fdea6fcb468 : mov %eax,%fs:(%rdx) 0x7fdea6fcb46b : or $0xffffffffffffffff,%rax 0x7fdea6fcb46f : retq 0x7fdea6fcb470 : mov %esi,%eax