=> 0x7f816cf47405 : cmp $0xfffffffffffff000,%rax 0x7f816cf4740b : ja 0x7f816cf4741f 0x7f816cf4740d : repz retq 0x7f816cf4740f : nop 0x7f816cf47410 : test %eax,%eax 0x7f816cf47412 : jg 0x7f816cf473f5 0x7f816cf47414 : test $0x7fffffff,%eax 0x7f816cf47419 : je 0x7f816cf47430 0x7f816cf4741b : neg %eax 0x7f816cf4741d : jmp 0x7f816cf473f5 0x7f816cf4741f : mov 0x37f9fa(%rip),%rdx # 0x7f816d2c6e20 0x7f816cf47426 : neg %eax 0x7f816cf47428 : mov %eax,%fs:(%rdx) 0x7f816cf4742b : or $0xffffffffffffffff,%rax 0x7f816cf4742f : retq 0x7f816cf47430 : mov %esi,%eax