- nxm_reg_load(nab->dst, nab->ofs_nbits,
- bundle_execute(nab, flow, slave_enabled, aux), flow);
+ struct mf_subfield dst;
+
+ nxm_decode(&dst, nab->dst, nab->ofs_nbits);
+ mf_set_subfield_value(&dst, bundle_execute(nab, flow, slave_enabled, aux),
+ flow);