BPF_ALU32_REG_OFF
BPF_ALU32_REG_OFF(OP, DST, SRC, 0)
*to++ = BPF_ALU32_REG_OFF(from->code, from->dst_reg, BPF_REG_AX, from->off);
BPF_ALU32_REG_OFF(BPF_DIV, R0, R1, 1),
BPF_ALU32_REG_OFF(BPF_MOD, R0, R1, 1),