=> 0x7f87c24bcb45 : cmp $0xfffffffffffff000,%rax 0x7f87c24bcb4b : ja 0x7f87c24bcb5f 0x7f87c24bcb4d : repz retq 0x7f87c24bcb4f : nop 0x7f87c24bcb50 : test %eax,%eax 0x7f87c24bcb52 : jg 0x7f87c24bcb35 0x7f87c24bcb54 : test $0x7fffffff,%eax 0x7f87c24bcb59 : je 0x7f87c24bcb70 0x7f87c24bcb5b : neg %eax 0x7f87c24bcb5d : jmp 0x7f87c24bcb35 0x7f87c24bcb5f : mov 0x347432(%rip),%rdx # 0x7f87c2803f98 0x7f87c24bcb66 : neg %eax 0x7f87c24bcb68 : mov %eax,%fs:(%rdx) 0x7f87c24bcb6b : or $0xffffffffffffffff,%rax 0x7f87c24bcb6f : retq 0x7f87c24bcb70 : mov %esi,%eax