diff options
Diffstat (limited to 'passes/opt/opt_rmdff.cc')
| -rw-r--r-- | passes/opt/opt_rmdff.cc | 264 |
1 files changed, 132 insertions, 132 deletions
diff --git a/passes/opt/opt_rmdff.cc b/passes/opt/opt_rmdff.cc index be6ac2d30..4ba61e512 100644 --- a/passes/opt/opt_rmdff.cc +++ b/passes/opt/opt_rmdff.cc @@ -41,7 +41,7 @@ void remove_init_attr(SigSpec sig) for (auto bit : assign_map(sig)) if (init_attributes.count(bit)) for (auto wbit : init_attributes.at(bit)) - wbit.wire->attributes.at("\\init")[wbit.offset] = State::Sx; + wbit.wire->attributes.at(ID(init))[wbit.offset] = State::Sx; } bool handle_dffsr(RTLIL::Module *mod, RTLIL::Cell *cell) @@ -49,39 +49,39 @@ bool handle_dffsr(RTLIL::Module *mod, RTLIL::Cell *cell) SigSpec sig_set, sig_clr; State pol_set, pol_clr; - if (cell->hasPort("\\S")) - sig_set = cell->getPort("\\S"); + if (cell->hasPort(ID(S))) + sig_set = cell->getPort(ID(S)); - if (cell->hasPort("\\R")) - sig_clr = cell->getPort("\\R"); + if (cell->hasPort(ID(R))) + sig_clr = cell->getPort(ID(R)); - if (cell->hasPort("\\SET")) - sig_set = cell->getPort("\\SET"); + if (cell->hasPort(ID(SET))) + sig_set = cell->getPort(ID(SET)); - if (cell->hasPort("\\CLR")) - sig_clr = cell->getPort("\\CLR"); + if (cell->hasPort(ID(CLR))) + sig_clr = cell->getPort(ID(CLR)); log_assert(GetSize(sig_set) == GetSize(sig_clr)); - if (cell->type.substr(0,8) == "$_DFFSR_") { + if (cell->type.begins_with("$_DFFSR_")) { pol_set = cell->type[9] == 'P' ? State::S1 : State::S0; pol_clr = cell->type[10] == 'P' ? State::S1 : State::S0; } else - if (cell->type.substr(0,11) == "$_DLATCHSR_") { + if (cell->type.begins_with("$_DLATCHSR_")) { pol_set = cell->type[12] == 'P' ? State::S1 : State::S0; pol_clr = cell->type[13] == 'P' ? State::S1 : State::S0; } else - if (cell->type == "$dffsr" || cell->type == "$dlatchsr") { - pol_set = cell->parameters["\\SET_POLARITY"].as_bool() ? State::S1 : State::S0; - pol_clr = cell->parameters["\\CLR_POLARITY"].as_bool() ? State::S1 : State::S0; + if (cell->type.in(ID($dffsr), ID($dlatchsr))) { + pol_set = cell->parameters[ID(SET_POLARITY)].as_bool() ? State::S1 : State::S0; + pol_clr = cell->parameters[ID(CLR_POLARITY)].as_bool() ? State::S1 : State::S0; } else log_abort(); State npol_set = pol_set == State::S0 ? State::S1 : State::S0; State npol_clr = pol_clr == State::S0 ? State::S1 : State::S0; - SigSpec sig_d = cell->getPort("\\D"); - SigSpec sig_q = cell->getPort("\\Q"); + SigSpec sig_d = cell->getPort(ID(D)); + SigSpec sig_q = cell->getPort(ID(Q)); bool did_something = false; bool proper_sr = false; @@ -137,20 +137,20 @@ bool handle_dffsr(RTLIL::Module *mod, RTLIL::Cell *cell) return true; } - if (cell->type == "$dffsr" || cell->type == "$dlatchsr") + if (cell->type.in(ID($dffsr), ID($dlatchsr))) { - cell->setParam("\\WIDTH", GetSize(sig_d)); - cell->setPort("\\SET", sig_set); - cell->setPort("\\CLR", sig_clr); - cell->setPort("\\D", sig_d); - cell->setPort("\\Q", sig_q); + cell->setParam(ID(WIDTH), GetSize(sig_d)); + cell->setPort(ID(SET), sig_set); + cell->setPort(ID(CLR), sig_clr); + cell->setPort(ID(D), sig_d); + cell->setPort(ID(Q), sig_q); } else { - cell->setPort("\\S", sig_set); - cell->setPort("\\R", sig_clr); - cell->setPort("\\D", sig_d); - cell->setPort("\\Q", sig_q); + cell->setPort(ID(S), sig_set); + cell->setPort(ID(R), sig_clr); + cell->setPort(ID(D), sig_d); + cell->setPort(ID(Q), sig_q); } if (proper_sr) @@ -159,36 +159,36 @@ bool handle_dffsr(RTLIL::Module *mod, RTLIL::Cell *cell) if (used_pol_set && used_pol_clr && pol_set != pol_clr) return did_something; - if (cell->type == "$dlatchsr") + if (cell->type == ID($dlatchsr)) return did_something; State unified_pol = used_pol_set ? pol_set : pol_clr; - if (cell->type == "$dffsr") + if (cell->type == ID($dffsr)) { if (hasreset) { log("Converting %s (%s) to %s in module %s.\n", log_id(cell), log_id(cell->type), "$adff", log_id(mod)); - cell->type = "$adff"; - cell->setParam("\\ARST_POLARITY", unified_pol); - cell->setParam("\\ARST_VALUE", reset_val); - cell->setPort("\\ARST", sig_reset); + cell->type = ID($adff); + cell->setParam(ID(ARST_POLARITY), unified_pol); + cell->setParam(ID(ARST_VALUE), reset_val); + cell->setPort(ID(ARST), sig_reset); - cell->unsetParam("\\SET_POLARITY"); - cell->unsetParam("\\CLR_POLARITY"); - cell->unsetPort("\\SET"); - cell->unsetPort("\\CLR"); + cell->unsetParam(ID(SET_POLARITY)); + cell->unsetParam(ID(CLR_POLARITY)); + cell->unsetPort(ID(SET)); + cell->unsetPort(ID(CLR)); } else { log("Converting %s (%s) to %s in module %s.\n", log_id(cell), log_id(cell->type), "$dff", log_id(mod)); - cell->type = "$dff"; - cell->unsetParam("\\SET_POLARITY"); - cell->unsetParam("\\CLR_POLARITY"); - cell->unsetPort("\\SET"); - cell->unsetPort("\\CLR"); + cell->type = ID($dff); + cell->unsetParam(ID(SET_POLARITY)); + cell->unsetParam(ID(CLR_POLARITY)); + cell->unsetPort(ID(SET)); + cell->unsetPort(ID(CLR)); } return true; @@ -198,9 +198,9 @@ bool handle_dffsr(RTLIL::Module *mod, RTLIL::Cell *cell) { IdString new_type; - if (cell->type.substr(0,8) == "$_DFFSR_") + if (cell->type.begins_with("$_DFFSR_")) new_type = stringf("$_DFF_%c_", cell->type[8]); - else if (cell->type.substr(0,11) == "$_DLATCHSR_") + else if (cell->type.begins_with("$_DLATCHSR_")) new_type = stringf("$_DLATCH_%c_", cell->type[11]); else log_abort(); @@ -208,8 +208,8 @@ bool handle_dffsr(RTLIL::Module *mod, RTLIL::Cell *cell) log("Converting %s (%s) to %s in module %s.\n", log_id(cell), log_id(cell->type), log_id(new_type), log_id(mod)); cell->type = new_type; - cell->unsetPort("\\S"); - cell->unsetPort("\\R"); + cell->unsetPort(ID(S)); + cell->unsetPort(ID(R)); return true; } @@ -222,18 +222,18 @@ bool handle_dlatch(RTLIL::Module *mod, RTLIL::Cell *dlatch) SigSpec sig_e; State on_state, off_state; - if (dlatch->type == "$dlatch") { - sig_e = assign_map(dlatch->getPort("\\EN")); - on_state = dlatch->getParam("\\EN_POLARITY").as_bool() ? State::S1 : State::S0; - off_state = dlatch->getParam("\\EN_POLARITY").as_bool() ? State::S0 : State::S1; + if (dlatch->type == ID($dlatch)) { + sig_e = assign_map(dlatch->getPort(ID(EN))); + on_state = dlatch->getParam(ID(EN_POLARITY)).as_bool() ? State::S1 : State::S0; + off_state = dlatch->getParam(ID(EN_POLARITY)).as_bool() ? State::S0 : State::S1; } else - if (dlatch->type == "$_DLATCH_P_") { - sig_e = assign_map(dlatch->getPort("\\E")); + if (dlatch->type == ID($_DLATCH_P_)) { + sig_e = assign_map(dlatch->getPort(ID(E))); on_state = State::S1; off_state = State::S0; } else - if (dlatch->type == "$_DLATCH_N_") { - sig_e = assign_map(dlatch->getPort("\\E")); + if (dlatch->type == ID($_DLATCH_N_)) { + sig_e = assign_map(dlatch->getPort(ID(E))); on_state = State::S0; off_state = State::S1; } else @@ -242,15 +242,15 @@ bool handle_dlatch(RTLIL::Module *mod, RTLIL::Cell *dlatch) if (sig_e == off_state) { RTLIL::Const val_init; - for (auto bit : dff_init_map(dlatch->getPort("\\Q"))) + for (auto bit : dff_init_map(dlatch->getPort(ID(Q)))) val_init.bits.push_back(bit.wire == NULL ? bit.data : State::Sx); - mod->connect(dlatch->getPort("\\Q"), val_init); + mod->connect(dlatch->getPort(ID(Q)), val_init); goto delete_dlatch; } if (sig_e == on_state) { - mod->connect(dlatch->getPort("\\Q"), dlatch->getPort("\\D")); + mod->connect(dlatch->getPort(ID(Q)), dlatch->getPort(ID(D))); goto delete_dlatch; } @@ -258,7 +258,7 @@ bool handle_dlatch(RTLIL::Module *mod, RTLIL::Cell *dlatch) delete_dlatch: log("Removing %s (%s) from module %s.\n", log_id(dlatch), log_id(dlatch->type), log_id(mod)); - remove_init_attr(dlatch->getPort("\\Q")); + remove_init_attr(dlatch->getPort(ID(Q))); mod->remove(dlatch); return true; } @@ -268,64 +268,64 @@ bool handle_dff(RTLIL::Module *mod, RTLIL::Cell *dff) RTLIL::SigSpec sig_d, sig_q, sig_c, sig_r, sig_e; RTLIL::Const val_cp, val_rp, val_rv, val_ep; - if (dff->type == "$_FF_") { - sig_d = dff->getPort("\\D"); - sig_q = dff->getPort("\\Q"); + if (dff->type == ID($_FF_)) { + sig_d = dff->getPort(ID(D)); + sig_q = dff->getPort(ID(Q)); } - else if (dff->type == "$_DFF_N_" || dff->type == "$_DFF_P_") { - sig_d = dff->getPort("\\D"); - sig_q = dff->getPort("\\Q"); - sig_c = dff->getPort("\\C"); - val_cp = RTLIL::Const(dff->type == "$_DFF_P_", 1); + else if (dff->type == ID($_DFF_N_) || dff->type == ID($_DFF_P_)) { + sig_d = dff->getPort(ID(D)); + sig_q = dff->getPort(ID(Q)); + sig_c = dff->getPort(ID(C)); + val_cp = RTLIL::Const(dff->type == ID($_DFF_P_), 1); } - else if (dff->type.substr(0,6) == "$_DFF_" && dff->type.substr(9) == "_" && + else if (dff->type.begins_with("$_DFF_") && dff->type.compare(9, 1, "_") == 0 && (dff->type[6] == 'N' || dff->type[6] == 'P') && (dff->type[7] == 'N' || dff->type[7] == 'P') && (dff->type[8] == '0' || dff->type[8] == '1')) { - sig_d = dff->getPort("\\D"); - sig_q = dff->getPort("\\Q"); - sig_c = dff->getPort("\\C"); - sig_r = dff->getPort("\\R"); + sig_d = dff->getPort(ID(D)); + sig_q = dff->getPort(ID(Q)); + sig_c = dff->getPort(ID(C)); + sig_r = dff->getPort(ID(R)); val_cp = RTLIL::Const(dff->type[6] == 'P', 1); val_rp = RTLIL::Const(dff->type[7] == 'P', 1); val_rv = RTLIL::Const(dff->type[8] == '1', 1); } - else if (dff->type.substr(0,7) == "$_DFFE_" && dff->type.substr(9) == "_" && + else if (dff->type.begins_with("$_DFFE_") && dff->type.compare(9, 1, "_") == 0 && (dff->type[7] == 'N' || dff->type[7] == 'P') && (dff->type[8] == 'N' || dff->type[8] == 'P')) { - sig_d = dff->getPort("\\D"); - sig_q = dff->getPort("\\Q"); - sig_c = dff->getPort("\\C"); - sig_e = dff->getPort("\\E"); + sig_d = dff->getPort(ID(D)); + sig_q = dff->getPort(ID(Q)); + sig_c = dff->getPort(ID(C)); + sig_e = dff->getPort(ID(E)); val_cp = RTLIL::Const(dff->type[7] == 'P', 1); val_ep = RTLIL::Const(dff->type[8] == 'P', 1); } - else if (dff->type == "$ff") { - sig_d = dff->getPort("\\D"); - sig_q = dff->getPort("\\Q"); + else if (dff->type == ID($ff)) { + sig_d = dff->getPort(ID(D)); + sig_q = dff->getPort(ID(Q)); } - else if (dff->type == "$dff") { - sig_d = dff->getPort("\\D"); - sig_q = dff->getPort("\\Q"); - sig_c = dff->getPort("\\CLK"); - val_cp = RTLIL::Const(dff->parameters["\\CLK_POLARITY"].as_bool(), 1); + else if (dff->type == ID($dff)) { + sig_d = dff->getPort(ID(D)); + sig_q = dff->getPort(ID(Q)); + sig_c = dff->getPort(ID(CLK)); + val_cp = RTLIL::Const(dff->parameters[ID(CLK_POLARITY)].as_bool(), 1); } - else if (dff->type == "$dffe") { - sig_e = dff->getPort("\\EN"); - sig_d = dff->getPort("\\D"); - sig_q = dff->getPort("\\Q"); - sig_c = dff->getPort("\\CLK"); - val_cp = RTLIL::Const(dff->parameters["\\CLK_POLARITY"].as_bool(), 1); - val_ep = RTLIL::Const(dff->parameters["\\EN_POLARITY"].as_bool(), 1); + else if (dff->type == ID($dffe)) { + sig_e = dff->getPort(ID(EN)); + sig_d = dff->getPort(ID(D)); + sig_q = dff->getPort(ID(Q)); + sig_c = dff->getPort(ID(CLK)); + val_cp = RTLIL::Const(dff->parameters[ID(CLK_POLARITY)].as_bool(), 1); + val_ep = RTLIL::Const(dff->parameters[ID(EN_POLARITY)].as_bool(), 1); } - else if (dff->type == "$adff") { - sig_d = dff->getPort("\\D"); - sig_q = dff->getPort("\\Q"); - sig_c = dff->getPort("\\CLK"); - sig_r = dff->getPort("\\ARST"); - val_cp = RTLIL::Const(dff->parameters["\\CLK_POLARITY"].as_bool(), 1); - val_rp = RTLIL::Const(dff->parameters["\\ARST_POLARITY"].as_bool(), 1); - val_rv = dff->parameters["\\ARST_VALUE"]; + else if (dff->type == ID($adff)) { + sig_d = dff->getPort(ID(D)); + sig_q = dff->getPort(ID(Q)); + sig_c = dff->getPort(ID(CLK)); + sig_r = dff->getPort(ID(ARST)); + val_cp = RTLIL::Const(dff->parameters[ID(CLK_POLARITY)].as_bool(), 1); + val_rp = RTLIL::Const(dff->parameters[ID(ARST_POLARITY)].as_bool(), 1); + val_rv = dff->parameters[ID(ARST_VALUE)]; } else log_abort(); @@ -343,12 +343,12 @@ bool handle_dff(RTLIL::Module *mod, RTLIL::Cell *dff) val_init.bits.push_back(bit.wire == NULL ? bit.data : RTLIL::State::Sx); } - if (dff->type.in("$ff", "$dff") && mux_drivers.has(sig_d)) { + if (dff->type.in(ID($ff), ID($dff)) && mux_drivers.has(sig_d)) { std::set<RTLIL::Cell*> muxes; mux_drivers.find(sig_d, muxes); for (auto mux : muxes) { - RTLIL::SigSpec sig_a = assign_map(mux->getPort("\\A")); - RTLIL::SigSpec sig_b = assign_map(mux->getPort("\\B")); + RTLIL::SigSpec sig_a = assign_map(mux->getPort(ID(A))); + RTLIL::SigSpec sig_b = assign_map(mux->getPort(ID(B))); if (sig_a == sig_q && sig_b.is_fully_const() && (!has_init || val_init == sig_b.as_const())) { mod->connect(sig_q, sig_b); goto delete_dff; @@ -420,17 +420,17 @@ bool handle_dff(RTLIL::Module *mod, RTLIL::Cell *dff) log("Removing unused reset from %s (%s) from module %s.\n", log_id(dff), log_id(dff->type), log_id(mod)); - if (dff->type == "$adff") { - dff->type = "$dff"; - dff->unsetPort("\\ARST"); - dff->unsetParam("\\ARST_POLARITY"); - dff->unsetParam("\\ARST_VALUE"); + if (dff->type == ID($adff)) { + dff->type = ID($dff); + dff->unsetPort(ID(ARST)); + dff->unsetParam(ID(ARST_POLARITY)); + dff->unsetParam(ID(ARST_VALUE)); return true; } - log_assert(dff->type.substr(0,6) == "$_DFF_"); + log_assert(dff->type.begins_with("$_DFF_")); dff->type = stringf("$_DFF_%c_", + dff->type[6]); - dff->unsetPort("\\R"); + dff->unsetPort(ID(R)); } // If enable signal is present, and is fully constant @@ -445,16 +445,16 @@ bool handle_dff(RTLIL::Module *mod, RTLIL::Cell *dff) log("Removing unused enable from %s (%s) from module %s.\n", log_id(dff), log_id(dff->type), log_id(mod)); - if (dff->type == "$dffe") { - dff->type = "$dff"; - dff->unsetPort("\\EN"); - dff->unsetParam("\\EN_POLARITY"); + if (dff->type == ID($dffe)) { + dff->type = ID($dff); + dff->unsetPort(ID(EN)); + dff->unsetParam(ID(EN_POLARITY)); return true; } - log_assert(dff->type.substr(0,7) == "$_DFFE_"); + log_assert(dff->type.begins_with("$_DFFE_")); dff->type = stringf("$_DFF_%c_", + dff->type[7]); - dff->unsetPort("\\E"); + dff->unsetPort(ID(E)); } if (sat && has_init && (!sig_r.size() || val_init == val_rv)) @@ -509,9 +509,9 @@ bool handle_dff(RTLIL::Module *mod, RTLIL::Cell *dff) log("Setting constant %d-bit at position %d on %s (%s) from module %s.\n", sigbit_init_val ? 1 : 0, position, log_id(dff), log_id(dff->type), log_id(mod)); - SigSpec tmp = dff->getPort("\\D"); + SigSpec tmp = dff->getPort(ID(D)); tmp[position] = sigbit_init_val; - dff->setPort("\\D", tmp); + dff->setPort(ID(D), tmp); removed_sigbits = true; } @@ -528,7 +528,7 @@ bool handle_dff(RTLIL::Module *mod, RTLIL::Cell *dff) delete_dff: log("Removing %s (%s) from module %s.\n", log_id(dff), log_id(dff->type), log_id(mod)); - remove_init_attr(dff->getPort("\\Q")); + remove_init_attr(dff->getPort(ID(Q))); mod->remove(dff); for (auto &entry : bit2driver) @@ -588,8 +588,8 @@ struct OptRmdffPass : public Pass { for (auto wire : module->wires()) { - if (wire->attributes.count("\\init") != 0) { - Const initval = wire->attributes.at("\\init"); + if (wire->attributes.count(ID(init)) != 0) { + Const initval = wire->attributes.at(ID(init)); for (int i = 0; i < GetSize(initval) && i < GetSize(wire); i++) if (initval[i] == State::S0 || initval[i] == State::S1) dff_init_map.add(SigBit(wire, i), initval[i]); @@ -624,29 +624,29 @@ struct OptRmdffPass : public Pass { } } - if (cell->type == "$mux" || cell->type == "$pmux") { - if (cell->getPort("\\A").size() == cell->getPort("\\B").size()) - mux_drivers.insert(assign_map(cell->getPort("\\Y")), cell); + if (cell->type.in(ID($mux), ID($pmux))) { + if (cell->getPort(ID(A)).size() == cell->getPort(ID(B)).size()) + mux_drivers.insert(assign_map(cell->getPort(ID(Y))), cell); continue; } if (!design->selected(module, cell)) continue; - if (cell->type.in("$_DFFSR_NNN_", "$_DFFSR_NNP_", "$_DFFSR_NPN_", "$_DFFSR_NPP_", - "$_DFFSR_PNN_", "$_DFFSR_PNP_", "$_DFFSR_PPN_", "$_DFFSR_PPP_", "$dffsr", - "$_DLATCHSR_NNN_", "$_DLATCHSR_NNP_", "$_DLATCHSR_NPN_", "$_DLATCHSR_NPP_", - "$_DLATCHSR_PNN_", "$_DLATCHSR_PNP_", "$_DLATCHSR_PPN_", "$_DLATCHSR_PPP_", "$dlatchsr")) + if (cell->type.in(ID($_DFFSR_NNN_), ID($_DFFSR_NNP_), ID($_DFFSR_NPN_), ID($_DFFSR_NPP_), + ID($_DFFSR_PNN_), ID($_DFFSR_PNP_), ID($_DFFSR_PPN_), ID($_DFFSR_PPP_), ID($dffsr), + ID($_DLATCHSR_NNN_), ID($_DLATCHSR_NNP_), ID($_DLATCHSR_NPN_), ID($_DLATCHSR_NPP_), + ID($_DLATCHSR_PNN_), ID($_DLATCHSR_PNP_), ID($_DLATCHSR_PPN_), ID($_DLATCHSR_PPP_), ID($dlatchsr))) dffsr_list.push_back(cell->name); - if (cell->type.in("$_FF_", "$_DFF_N_", "$_DFF_P_", - "$_DFF_NN0_", "$_DFF_NN1_", "$_DFF_NP0_", "$_DFF_NP1_", - "$_DFF_PN0_", "$_DFF_PN1_", "$_DFF_PP0_", "$_DFF_PP1_", - "$_DFFE_NN_", "$_DFFE_NP_", "$_DFFE_PN_", "$_DFFE_PP_", - "$ff", "$dff", "$dffe", "$adff")) + if (cell->type.in(ID($_FF_), ID($_DFF_N_), ID($_DFF_P_), + ID($_DFF_NN0_), ID($_DFF_NN1_), ID($_DFF_NP0_), ID($_DFF_NP1_), + ID($_DFF_PN0_), ID($_DFF_PN1_), ID($_DFF_PP0_), ID($_DFF_PP1_), + ID($_DFFE_NN_), ID($_DFFE_NP_), ID($_DFFE_PN_), ID($_DFFE_PP_), + ID($ff), ID($dff), ID($dffe), ID($adff))) dff_list.push_back(cell->name); - if (cell->type.in("$dlatch", "$_DLATCH_P_", "$_DLATCH_N_")) + if (cell->type.in(ID($dlatch), ID($_DLATCH_P_), ID($_DLATCH_N_))) dlatch_list.push_back(cell->name); } |