=> 0x7f2b76408500 : cmpl $0x1,(%rdi) 0x7f2b76408503 : mov %rdi,%rax 0x7f2b76408506 : jne 0x7f2b76408519 0x7f2b76408508 : nopl 0x0(%rax,%rax,1) 0x7f2b76408510 : mov 0x8(%rax),%rax 0x7f2b76408514 : cmpl $0x1,(%rax) 0x7f2b76408517 : je 0x7f2b76408510 0x7f2b76408519 : repz retq 0x7f2b7640851b: nopl 0x0(%rax,%rax,1) 0x7f2b76408520 : mov %rbp,-0x10(%rsp) 0x7f2b76408525 : mov %r12,-0x8(%rsp) 0x7f2b7640852a : mov %rdx,%rbp 0x7f2b7640852d : mov %rbx,-0x18(%rsp) 0x7f2b76408532 : mov %rsi,%r12 0x7f2b76408535 : sub $0x18,%rsp 0x7f2b76408539 : callq 0x7f2b76404208