Symbol: sign_zero_extend
arch/s390/net/bpf_jit_comp.c
1835
if (sign_zero_extend(jit, BPF_REG_1 + j,
arch/s390/net/bpf_jit_comp.c
2584
if (sign_zero_extend(jit, REG_2, m->ret_size, m->ret_flags))