=> 0x7ff325572037 : cmp $0xfffffffffffff000,%rax 0x7ff32557203d : ja 0x7ff32557205d 0x7ff32557203f : repz retq 0x7ff325572041 : nopl 0x0(%rax) 0x7ff325572048 : test %ecx,%ecx 0x7ff32557204a : jg 0x7ff325572027 0x7ff32557204c : mov %ecx,%eax 0x7ff32557204e : neg %eax 0x7ff325572050 : and $0x7fffffff,%ecx 0x7ff325572056 : mov %esi,%ecx 0x7ff325572058 : cmovne %eax,%ecx 0x7ff32557205b : jmp 0x7ff325572027 0x7ff32557205d : mov 0x389ddc(%rip),%rdx # 0x7ff3258fbe40 0x7ff325572064 : neg %eax 0x7ff325572066 : mov %eax,%fs:(%rdx) 0x7ff325572069 : or $0xffffffffffffffff,%rax