diff options
Diffstat (limited to 'passes/techmap')
| -rw-r--r-- | passes/techmap/abc9.cc | 88 |
1 files changed, 64 insertions, 24 deletions
diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc index 398df190c..be2a8d50b 100644 --- a/passes/techmap/abc9.cc +++ b/passes/techmap/abc9.cc @@ -1202,7 +1202,15 @@ struct Abc9Pass : public Pass { std::map<RTLIL::SigBit, std::set<RTLIL::Cell*>> bit_to_cell, bit_to_cell_up, bit_to_cell_down; pool<IdString> seen_cells; - dict<IdString, std::pair<RTLIL::IdString,RTLIL::IdString>> flop_data; + struct flop_data_t { + IdString clk_port; + IdString clk_pol_param; + bool clk_pol; + IdString en_port; + IdString en_pol_param; + bool en_pol; + }; + dict<IdString, flop_data_t> flop_data; for (auto cell : all_cells) { clkdomain_t key; @@ -1253,7 +1261,40 @@ struct Abc9Pass : public Pass { log_error("'abc_flop_clk' attribute not found on any ports on module '%s'.\n", log_id(cell->type)); if (abc_flop_en == IdString()) log_error("'abc_flop_en' attribute not found on any ports on module '%s'.\n", log_id(cell->type)); - it = flop_data.insert(std::make_pair(cell->type, std::make_pair(abc_flop_clk, abc_flop_en))).first; + + auto jt = inst_module->attributes.find("\\abc_flop_clk_pol"); + if (jt == inst_module->attributes.end()) + log_error("'abc_flop_clk_pol' attribute not found on module '%s'.\n", log_id(inst_module)); + IdString abc_flop_clk_pol_param; + bool abc_flop_clk_pol; + if (jt->second.flags == RTLIL::ConstFlags::CONST_FLAG_STRING) { + auto param = jt->second.decode_string(); + abc_flop_clk_pol = (param[0] == '!'); + if (abc_flop_clk_pol) + abc_flop_clk_pol_param = RTLIL::escape_id(param.substr(1)); + else + abc_flop_clk_pol_param = RTLIL::escape_id(param); + } + else + abc_flop_clk_pol = !jt->second.as_bool(); + jt = inst_module->attributes.find("\\abc_flop_en_pol"); + if (jt == inst_module->attributes.end()) + log_error("'abc_flop_en_pol' attribute not found on module '%s'.\n", log_id(inst_module)); + IdString abc_flop_en_pol_param; + bool abc_flop_en_pol; + if (jt->second.flags == RTLIL::ConstFlags::CONST_FLAG_STRING) { + auto param = jt->second.decode_string(); + abc_flop_en_pol = (param[0] == '!'); + if (abc_flop_en_pol) + abc_flop_en_pol_param = RTLIL::escape_id(param.substr(1)); + else + abc_flop_en_pol_param = RTLIL::escape_id(param); + } + else + abc_flop_en_pol = !jt->second.as_bool(); + + it = flop_data.insert(std::make_pair(cell->type, flop_data_t{abc_flop_clk, abc_flop_clk_pol_param, abc_flop_clk_pol, + abc_flop_en, abc_flop_en_pol_param, abc_flop_en_pol})).first; } else { it = flop_data.find(cell->type); @@ -1261,35 +1302,34 @@ struct Abc9Pass : public Pass { continue; } - auto jt = cell->attributes.find("\\abc_flop_clk_pol"); - if (jt == cell->parameters.end()) - log_error("'abc_flop_clk_pol' attribute not found on module '%s'.\n", log_id(cell->type)); + const auto &data = it->second; + bool this_clk_pol; - if (jt->second.flags == RTLIL::ConstFlags::CONST_FLAG_STRING) { - auto param = jt->second.decode_string(); - auto kt = cell->parameters.find(param); - if (kt == cell->parameters.end()) + if (data.clk_pol_param == IdString()) + this_clk_pol = data.clk_pol; + else { + auto param = data.clk_pol_param; + auto jt = cell->parameters.find(param); + if (jt == cell->parameters.end()) log_error("'abc_flop_clk_pol' value '%s' is not a parameter on module '%s'.\n", param.c_str(), log_id(cell->type)); - this_clk_pol = kt->second.as_bool(); - } - else this_clk_pol = jt->second.as_bool(); - jt = cell->parameters.find("\\$abc_flop_en_pol"); - if (jt == cell->parameters.end()) - log_error("'abc_flop_en_pol' attribute not found on module '%s'.\n", log_id(cell->type)); + if (data.clk_pol) + this_clk_pol = !this_clk_pol; + } bool this_en_pol; - if (jt->second.flags == RTLIL::ConstFlags::CONST_FLAG_STRING) { - auto param = jt->second.decode_string(); - auto kt = cell->parameters.find(param); - if (kt == cell->parameters.end()) + if (data.en_pol_param == IdString()) + this_en_pol = data.en_pol; + else { + auto param = data.en_pol_param; + auto jt = cell->parameters.find(param); + if (jt == cell->parameters.end()) log_error("'abc_flop_en_pol' value '%s' is not a parameter on module '%s'.\n", param.c_str(), log_id(cell->type)); - this_en_pol = kt->second.as_bool(); - } - else this_en_pol = jt->second.as_bool(); + if (data.en_pol) + this_en_pol = !this_en_pol; + } - const auto &data = it->second; - key = clkdomain_t(this_clk_pol, assign_map(cell->getPort(data.first)), this_en_pol, assign_map(cell->getPort(data.second))); + key = clkdomain_t(this_clk_pol, assign_map(cell->getPort(data.clk_port)), this_en_pol, assign_map(cell->getPort(data.en_port))); unassigned_cells.erase(cell); expand_queue.insert(cell); |