BPF_NEG
case BPF_ALU|BPF_NEG:
s = new_stmt(BPF_ALU|BPF_NEG);
case BPF_NEG:
case BPF_ALU|BPF_NEG:
else if (op == BPF_NEG) {
case BPF_ALU|BPF_NEG:
case BPF_NEG: