From 6b96df41bcc25b3ba71fdb83e5b7b0a46c3936dd Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Thu, 21 Feb 2019 11:15:47 -0800 Subject: [PATCH] abc9 to only disconnect output ports of AND and NOT gates --- passes/techmap/abc9.cc | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index 4b045cbea..44e1a422f 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -536,6 +536,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri RTLIL::Module *mapped_mod = mapped_design->modules_["\\netlist"]; if (mapped_mod == NULL) log_error("ABC output file does not contain a module `netlist'.\n"); + pool output_bits; for (auto &it : mapped_mod->wires_) { RTLIL::Wire *w = it.second; @@ -852,10 +853,12 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri // module->connect(conn); // } - // Go through all cell output connections, + // Go through all AND and NOT output connections, // and for those output ports driving wires // also driven by mapped_mod, disconnect them for (auto cell : module->cells()) { + if (!cell->type.in("$_AND_", "$_NOT_")) + continue; for (auto &it : cell->connections_) { auto port_name = it.first; if (!cell->output(port_name)) continue; @@ -1131,7 +1134,6 @@ struct Abc9Pass : public Pass { std::string delay_target, sop_inputs, sop_products, lutin_shared = "-S 1"; bool fast_mode = false, dff_mode = false, keepff = false, cleanup = true; bool show_tempdir = false, sop_mode = false; - show_tempdir = true; cleanup = true; vector lut_costs; markgroups = false; -- 2.30.2