=> 0x7f67a2229445 : cmp $0xfffffffffffff000,%rax 0x7f67a222944b : ja 0x7f67a222945f 0x7f67a222944d : repz retq 0x7f67a222944f : nop 0x7f67a2229450 : test %eax,%eax 0x7f67a2229452 : jg 0x7f67a2229435 0x7f67a2229454 : test $0x7fffffff,%eax 0x7f67a2229459 : je 0x7f67a2229470 0x7f67a222945b : neg %eax 0x7f67a222945d : jmp 0x7f67a2229435 0x7f67a222945f : mov 0x37f9ba(%rip),%rdx # 0x7f67a25a8e20 0x7f67a2229466 : neg %eax 0x7f67a2229468 : mov %eax,%fs:(%rdx) 0x7f67a222946b : or $0xffffffffffffffff,%rax 0x7f67a222946f : retq 0x7f67a2229470 : mov %esi,%eax