BPF_SRC
if (BPF_SRC(p->code) == BPF_K && p->k == 0)
const bool xreg = BPF_SRC(pc->code) == BPF_X;
BPF_SRC(insns[i].code) == BPF_X) {
if (BPF_SRC(insns[i].code) == BPF_X) {
switch (BPF_SRC(pc->code)) {
switch (BPF_SRC(pc->code)) {
src = BPF_SRC(pc->code);