diff options
Diffstat (limited to 'ghdl/ghdl.cc')
| -rw-r--r-- | ghdl/ghdl.cc | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/ghdl/ghdl.cc b/ghdl/ghdl.cc index b4c26a8..78d1571 100644 --- a/ghdl/ghdl.cc +++ b/ghdl/ghdl.cc @@ -216,7 +216,7 @@ static void import_module(RTLIL::Design *design, GhdlSynth::Module m) case Id_Concat2: case Id_Concat3: case Id_Concat4: - // Skip + // Skip: these won't create cells. break; default: log_cmd_error("Unsupported(1): instance %s of %s.\n", @@ -277,9 +277,11 @@ static void import_module(RTLIL::Design *design, GhdlSynth::Module m) case Id_Signal: { Net sig = get_driver(get_input(inst, 0)); - Wire *w = net_map.at(sig.id); - if (w) - module->rename(w, to_str(iname)); + if (is_set(net_map, sig)) { + Wire *w = net_map.at(sig.id); + if (w) + module->rename(w, to_str(iname)); + } } break; case Id_Output: |