From 482a60825b607880c5984b1b39e06e58c5f75ada Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Fri, 12 Apr 2019 18:16:50 -0700 Subject: [PATCH] abc to ignore __dummy_o__ and __const[01]__ when re-integrating --- passes/techmap/abc9.cc | 26 ++++++++++++++++++++------ 1 file changed, 20 insertions(+), 6 deletions(-) diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index 17d082833..52b1b6d35 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -319,10 +319,10 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri if (!cleanup) tempdir_name[0] = tempdir_name[4] = '_'; tempdir_name = make_temp_dir(tempdir_name); - log_header(design, "Extracting gate netlist of module `%s' to `%s/input.aig'..\n", + log_header(design, "Extracting gate netlist of module `%s' to `%s/input.xaig'..\n", module->name.c_str(), replace_tempdir(tempdir_name, tempdir_name, show_tempdir).c_str()); - std::string abc_script = stringf("read %s/input.aig; &get -n; ", tempdir_name.c_str()); + std::string abc_script = stringf("&read %s/input.xaig; &ps ", tempdir_name.c_str()); if (!liberty_file.empty()) { abc_script += stringf("read_lib -w %s; ", liberty_file.c_str()); @@ -407,7 +407,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri handle_loops(design); - Pass::call(design, stringf("write_xaiger -O -map %s/input.sym %s/input.aig; ", tempdir_name.c_str(), tempdir_name.c_str())); + Pass::call(design, stringf("write_xaiger -O -map %s/input.sym %s/input.xaig; ", tempdir_name.c_str(), tempdir_name.c_str())); design->selection_stack.pop_back(); @@ -546,9 +546,10 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri output_bits.insert({wire, i}); } else { - if (w->name.str() == "\\__dummy_o__") { - log("Don't call ABC as there is nothing to map.\n"); - goto cleanup; + if (w->name.in("\\__dummy_o__", "\\__const0__", "\\__const1__")) { + //log("Don't call ABC as there is nothing to map.\n"); + //goto cleanup; + continue; } // Attempt another wideports_split here because there @@ -874,6 +875,19 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri RTLIL::Wire *w = it.second; if (!w->port_input && !w->port_output) continue; + if (w->name == "\\__const0__") { + log_assert(w->port_output); + module->connect(w, RTLIL::S0); + continue; + } + if (w->name == "\\__const1__") { + log_assert(w->port_output); + module->connect(w, RTLIL::S1); + continue; + } + if (w->name == "\\__dummy_o__") + continue; + RTLIL::Wire *wire = module->wire(w->name); RTLIL::Wire *remap_wire = module->wire(remap_name(w->name)); RTLIL::SigSpec signal; -- 2.30.2