=> 0x7fd536b5a445 : cmp $0xfffffffffffff000,%rax 0x7fd536b5a44b : ja 0x7fd536b5a45f 0x7fd536b5a44d : repz retq 0x7fd536b5a44f : nop 0x7fd536b5a450 : test %eax,%eax 0x7fd536b5a452 : jg 0x7fd536b5a435 0x7fd536b5a454 : test $0x7fffffff,%eax 0x7fd536b5a459 : je 0x7fd536b5a470 0x7fd536b5a45b : neg %eax 0x7fd536b5a45d : jmp 0x7fd536b5a435 0x7fd536b5a45f : mov 0x37f9ba(%rip),%rdx # 0x7fd536ed9e20 0x7fd536b5a466 : neg %eax 0x7fd536b5a468 : mov %eax,%fs:(%rdx) 0x7fd536b5a46b : or $0xffffffffffffffff,%rax 0x7fd536b5a46f : retq 0x7fd536b5a470 : mov %esi,%eax