diff options
| -rw-r--r-- | CHANGELOG | 2 | ||||
| -rw-r--r-- | passes/techmap/Makefile.inc | 1 | ||||
| -rw-r--r-- | passes/techmap/dfflegalize.cc | 1356 | ||||
| -rw-r--r-- | tests/techmap/dfflegalize_adff.ys | 103 | ||||
| -rw-r--r-- | tests/techmap/dfflegalize_adff_init.ys | 279 | ||||
| -rw-r--r-- | tests/techmap/dfflegalize_adlatch.ys | 51 | ||||
| -rw-r--r-- | tests/techmap/dfflegalize_adlatch_init.ys | 99 | ||||
| -rw-r--r-- | tests/techmap/dfflegalize_dff.ys | 306 | ||||
| -rw-r--r-- | tests/techmap/dfflegalize_dff_init.ys | 786 | ||||
| -rw-r--r-- | tests/techmap/dfflegalize_dffsr.ys | 88 | ||||
| -rw-r--r-- | tests/techmap/dfflegalize_dffsr_init.ys | 379 | ||||
| -rw-r--r-- | tests/techmap/dfflegalize_dlatch.ys | 42 | ||||
| -rw-r--r-- | tests/techmap/dfflegalize_dlatch_init.ys | 82 | ||||
| -rw-r--r-- | tests/techmap/dfflegalize_dlatchsr.ys | 37 | ||||
| -rw-r--r-- | tests/techmap/dfflegalize_dlatchsr_init.ys | 127 | ||||
| -rw-r--r-- | tests/techmap/dfflegalize_inv.ys | 178 | ||||
| -rw-r--r-- | tests/techmap/dfflegalize_mince.ys | 53 | ||||
| -rw-r--r-- | tests/techmap/dfflegalize_minsrst.ys | 43 | ||||
| -rw-r--r-- | tests/techmap/dfflegalize_sr.ys | 74 | ||||
| -rw-r--r-- | tests/techmap/dfflegalize_sr_init.ys | 230 |
20 files changed, 4316 insertions, 0 deletions
@@ -67,6 +67,8 @@ Yosys 0.9 .. Yosys 0.9-dev - Added "select -unset" - Use YosysHQ/abc instead of upstream berkeley-abc/abc - Added $divfloor and $modfloor cells + - Added $adffe, $dffsre, $sdff, $sdffe, $sdffce, $adlatch cells + - Added "dfflegalize" pass Yosys 0.8 .. Yosys 0.9 ---------------------- diff --git a/passes/techmap/Makefile.inc b/passes/techmap/Makefile.inc index a54b4913d..e3b3d8dea 100644 --- a/passes/techmap/Makefile.inc +++ b/passes/techmap/Makefile.inc @@ -41,6 +41,7 @@ OBJS += passes/techmap/insbuf.o OBJS += passes/techmap/attrmvcp.o OBJS += passes/techmap/attrmap.o OBJS += passes/techmap/zinit.o +OBJS += passes/techmap/dfflegalize.o OBJS += passes/techmap/dff2dffs.o OBJS += passes/techmap/flowmap.o OBJS += passes/techmap/extractinv.o diff --git a/passes/techmap/dfflegalize.cc b/passes/techmap/dfflegalize.cc new file mode 100644 index 000000000..013f2d974 --- /dev/null +++ b/passes/techmap/dfflegalize.cc @@ -0,0 +1,1356 @@ +/* + * yosys -- Yosys Open SYnthesis Suite + * + * Copyright (C) 2020 Marcelina Kościelnicka <mwk@0x04.net> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ + +#include "kernel/yosys.h" +#include "kernel/sigtools.h" + +USING_YOSYS_NAMESPACE +PRIVATE_NAMESPACE_BEGIN + +enum FfType { + FF_DFF, + FF_DFFE, + FF_ADFF0, + FF_ADFF1, + FF_ADFFE0, + FF_ADFFE1, + FF_DFFSR, + FF_DFFSRE, + FF_SDFF0, + FF_SDFF1, + FF_SDFFE0, + FF_SDFFE1, + FF_SDFFCE0, + FF_SDFFCE1, + FF_SR, + FF_DLATCH, + FF_ADLATCH0, + FF_ADLATCH1, + FF_DLATCHSR, + NUM_FFTYPES, +}; + +enum FfNeg { + NEG_R = 0x1, + NEG_S = 0x2, + NEG_E = 0x4, + NEG_C = 0x8, + NUM_NEG = 0x10, +}; + +enum FfInit { + INIT_X = 0x1, + INIT_0 = 0x2, + INIT_1 = 0x4, +}; + +struct DffLegalizePass : public Pass { + DffLegalizePass() : Pass("dfflegalize", "convert FFs to types supported by the target") { } + void help() override + { + // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| + log("\n"); + log(" dfflegalize [options] [selection]\n"); + log("\n"); + log("Converts FFs to types supported by the target.\n"); + log("\n"); + log(" -cell <cell_type_pattern> <init_values>\n"); + log(" specifies a supported group of FF cells. <cell_type_pattern>\n"); + log(" is a yosys internal fine cell name, where ? characters can be\n"); + log(" as a wildcard matching any character. <init_values> specifies\n"); + log(" which initialization values these FF cells can support, and can\n"); + log(" be one of:\n"); + log("\n"); + log(" - x (no init value supported)\n"); + log(" - 0\n"); + log(" - 1\n"); + log(" - r (init value has to match reset value, only for some FF types)\n"); + log(" - 01 (both 0 and 1 supported).\n"); + log("\n"); + log(" -mince <num>\n"); + log(" specifies a minimum number of FFs that should be using any given\n"); + log(" clock enable signal. If a clock enable signal doesn't meet this\n"); + log(" threshold, it is unmapped into soft logic.\n"); + log("\n"); + log(" -minsrst <num>\n"); + log(" specifies a minimum number of FFs that should be using any given\n"); + log(" sync set/reset signal. If a sync set/reset signal doesn't meet this\n"); + log(" threshold, it is unmapped into soft logic.\n"); + log("\n"); + log("The following cells are supported by this pass (ie. will be ingested,\n"); + log("and can be specified as allowed targets):\n"); + log("\n"); + log("- $_DFF_[NP]_\n"); + log("- $_DFFE_[NP][NP]_\n"); + log("- $_DFF_[NP][NP][01]_\n"); + log("- $_DFFE_[NP][NP][01][NP]_\n"); + log("- $_DFFSR_[NP][NP][NP]_\n"); + log("- $_DFFSRE_[NP][NP][NP][NP]_\n"); + log("- $_SDFF_[NP][NP][01]_\n"); + log("- $_SDFFE_[NP][NP][01][NP]_\n"); + log("- $_SDFFCE_[NP][NP][01][NP]_\n"); + log("- $_SR_[NP][NP]_\n"); + log("- $_DLATCH_[NP]_\n"); + log("- $_DLATCH_[NP][NP][01]_\n"); + log("- $_DLATCHSR_[NP][NP][NP]_\n"); + log("\n"); + log("The following transformations are performed by this pass:"); + log(""); + log("- upconversion from a less capable cell to a more capable cell, if the less"); + log(" capable cell is not supported (eg. dff -> dffe, or adff -> dffsr)"); + log(""); + log("- unmapping FFs with clock enable (due to unsupported cell type or -mince)"); + log(""); + log("- unmapping FFs with sync reset (due to unsupported cell type or -minsrst)"); + log(""); + log("- adding inverters on the control pins (due to unsupported polarity)"); + log(""); + log("- adding inverters on the D and Q pins and inverting the init/reset values\n"); + log(" (due to unsupported init or reset value)"); + log(""); + log("- converting sr into adlatch (by tying D to 1 and using E as set input)"); + log(""); + log("- emulating unsupported dffsr cell by adff + adff + sr + mux"); + log(""); + log("- emulating unsupported dlatchsr cell by adlatch + adlatch + sr + mux"); + log(""); + log("- emulating adff when the (reset, init) value combination is unsupported by\n"); + log(" dff + adff + dlatch + mux"); + log(""); + log("- emulating adlatch when the (reset, init) value combination is unsupported by\n"); + log("- dlatch + adlatch + dlatch + mux"); + log(""); + log("If the pass is unable to realize a given cell type (eg. adff when only plain dff"); + log("is available), an error is raised."); + } + + // Table of all supported cell types. + // First index in the array is one of the FF_* values, second + // index is the set of negative-polarity inputs (OR of NEG_* + // values), and the value is the set of supported init values + // (OR of INIT_* values). + int supported_cells_neg[NUM_FFTYPES][NUM_NEG]; + // Aggregated table ignoring signal polarity. + int supported_cells[NUM_FFTYPES]; + // Aggregated for all *dff* cells. + int supported_dff; + // Aggregated for all dffsr* cells. + int supported_dffsr; + // Aggregated for all adff* cells. + int supported_adff0; + int supported_adff1; + // Aggregated for all sdff* cells. + int supported_sdff0; + int supported_sdff1; + // Aggregated for all ways to obtain a SR latch. + int supported_sr; + // Aggregated for all *dlatch* cells. + int supported_dlatch; + + int mince; + int minsrst; + + dict<SigBit, int> ce_used; + dict<SigBit, int> srst_used; + + SigMap sigmap; + dict<SigBit, std::pair<State,SigBit>> initbits; + + int flip_initmask(int mask) { + int res = mask & INIT_X; + if (mask & INIT_0) + res |= INIT_1; + if (mask & INIT_1) + res |= INIT_0; + return res; + } + + void handle_ff(Cell *cell) { + std::string type_str = cell->type.str(); + + FfType ff_type; + int ff_neg = 0; + SigSpec sig_d; + SigSpec sig_q; + SigSpec sig_c; + SigSpec sig_e; + SigSpec sig_r; + SigSpec sig_s; + bool has_srst = false; + + if (cell->hasPort(ID::D)) + sig_d = cell->getPort(ID::D); + if (cell->hasPort(ID::Q)) + sig_q = cell->getPort(ID::Q); + if (cell->hasPort(ID::C)) + sig_c = cell->getPort(ID::C); + if (cell->hasPort(ID::E)) + sig_e = cell->getPort(ID::E); + if (cell->hasPort(ID::R)) + sig_r = cell->getPort(ID::R); + if (cell->hasPort(ID::S)) + sig_s = cell->getPort(ID::S); + + if (type_str.substr(0, 5) == "$_SR_") { + ff_type = FF_SR; + if (type_str[5] == 'N') + ff_neg |= NEG_S; + if (type_str[6] == 'N') + ff_neg |= NEG_R; + } else if (type_str.substr(0, 6) == "$_DFF_" && type_str.size() == 8) { + ff_type = FF_DFF; + if (type_str[6] == 'N') + ff_neg |= NEG_C; + } else if (type_str.substr(0, 7) == "$_DFFE_" && type_str.size() == 10) { + ff_type = FF_DFFE; + if (type_str[7] == 'N') + ff_neg |= NEG_C; + if (type_str[8] == 'N') + ff_neg |= NEG_E; + } else if (type_str.substr(0, 6) == "$_DFF_" && type_str.size() == 10) { + ff_type = type_str[8] == '1' ? FF_ADFF1 : FF_ADFF0; + if (type_str[6] == 'N') + ff_neg |= NEG_C; + if (type_str[7] == 'N') + ff_neg |= NEG_R; + } else if (type_str.substr(0, 7) == "$_DFFE_" && type_str.size() == 12) { + ff_type = type_str[9] == '1' ? FF_ADFFE1 : FF_ADFFE0; + if (type_str[7] == 'N') + ff_neg |= NEG_C; + if (type_str[8] == 'N') + ff_neg |= NEG_R; + if (type_str[10] == 'N') + ff_neg |= NEG_E; + } else if (type_str.substr(0, 8) == "$_DFFSR_" && type_str.size() == 12) { + ff_type = FF_DFFSR; + if (type_str[8] == 'N') + ff_neg |= NEG_C; + if (type_str[9] == 'N') + ff_neg |= NEG_S; + if (type_str[10] == 'N') + ff_neg |= NEG_R; + } else if (type_str.substr(0, 9) == "$_DFFSRE_" && type_str.size() == 14) { + ff_type = FF_DFFSRE; + if (type_str[9] == 'N') + ff_neg |= NEG_C; + if (type_str[10] == 'N') + ff_neg |= NEG_S; + if (type_str[11] == 'N') + ff_neg |= NEG_R; + if (type_str[12] == 'N') + ff_neg |= NEG_E; + } else if (type_str.substr(0, 7) == "$_SDFF_" && type_str.size() == 11) { + ff_type = type_str[9] == '1' ? FF_SDFF1 : FF_SDFF0; + if (type_str[7] == 'N') + ff_neg |= NEG_C; + if (type_str[8] == 'N') + ff_neg |= NEG_R; + has_srst = true; + } else if (type_str.substr(0, 8) == "$_SDFFE_" && type_str.size() == 13) { + ff_type = type_str[10] == '1' ? FF_SDFFE1 : FF_SDFFE0; + if (type_str[8] == 'N') + ff_neg |= NEG_C; + if (type_str[9] == 'N') + ff_neg |= NEG_R; + if (type_str[11] == 'N') + ff_neg |= NEG_E; + has_srst = true; + } else if (type_str.substr(0, 9) == "$_SDFFCE_" && type_str.size() == 14) { + ff_type = type_str[11] == '1' ? FF_SDFFCE1 : FF_SDFFCE0; + if (type_str[9] == 'N') + ff_neg |= NEG_C; + if (type_str[10] == 'N') + ff_neg |= NEG_R; + if (type_str[12] == 'N') + ff_neg |= NEG_E; + has_srst = true; + } else if (type_str.substr(0, 9) == "$_DLATCH_" && type_str.size() == 11) { + ff_type = FF_DLATCH; + if (type_str[9] == 'N') + ff_neg |= NEG_E; + } else if (type_str.substr(0, 9) == "$_DLATCH_" && type_str.size() == 13) { + ff_type = type_str[11] == '1' ? FF_ADLATCH1 : FF_ADLATCH0; + if (type_str[9] == 'N') + ff_neg |= NEG_E; + if (type_str[10] == 'N') + ff_neg |= NEG_R; + } else if (type_str.substr(0, 11) == "$_DLATCHSR_" && type_str.size() == 15) { + ff_type = FF_DLATCHSR; + if (type_str[11] == 'N') + ff_neg |= NEG_E; + if (type_str[12] == 'N') + ff_neg |= NEG_S; + if (type_str[13] == 'N') + ff_neg |= NEG_R; + } else { + log_warning("Ignoring unknown ff type %s [%s.%s].\n", log_id(cell->type), log_id(cell->module->name), log_id(cell->name)); + return; + } + + State initval = State::Sx; + SigBit initbit; + if (GetSize(sig_q) > 0 && initbits.count(sigmap(sig_q[0]))) { + const auto &d = initbits.at(sigmap(sig_q[0])); + initval = d.first; + initbit = d.second; + } + + FfInit initmask = INIT_X; + if (initval == State::S0) + initmask = INIT_0; + else if (initval == State::S1) + initmask = INIT_1; + const char *reason; + + bool kill_ce = mince && GetSize(sig_c) && GetSize(sig_e) && sig_e[0].wire && ce_used[sig_e[0]] < mince; + bool kill_srst = minsrst && has_srst && sig_r[0].wire && srst_used[sig_r[0]] < minsrst; + + while (!(supported_cells[ff_type] & initmask) || kill_ce || kill_srst) { + // Well, cell is not directly supported. Decide how to deal with it. + + if (ff_type == FF_DFF || ff_type == FF_DFFE) { + if (kill_ce) { + ff_type = FF_DFF; + goto unmap_enable; + } + if (!(supported_dff & initmask)) { + // This init value is not supported at all... + if (supported_dff & flip_initmask(initmask)) { + // The other one is, though. Negate D, Q, and init. +flip_dqi: + if (initval == State::S0) { + initval = State::S1; + initmask = INIT_1; + } else if (initval == State::S1) { + initval = State::S0; + initmask = INIT_0; + } + if (ff_type != FF_SR) + sig_d = cell->module->NotGate(NEW_ID, sig_d[0]); + SigBit new_q = SigSpec(cell->module->addWire(NEW_ID))[0]; + cell->module->addNotGate(NEW_ID, new_q, sig_q[0]); + if (initbit.wire) { + initbit.wire->attributes.at(ID::init)[initbit.offset] = State::Sx; + initbit = new_q; + new_q.wire->attributes[ID::init] = initval; + initbits[new_q] = std::make_pair(initval, new_q); + } + sig_q = new_q; + continue; + } + if (!supported_dff) + reason = "dffs are not supported"; + else + reason = "initialized dffs are not supported"; + goto error; + } + + // Some DFF is supported with this init val. Just pick a type. + if (ff_type == FF_DFF) { + // Try adding a set or reset pin. + for (auto new_type: {FF_ADFF0, FF_ADFF1, FF_SDFF0, FF_SDFF1}) + if (supported_cells[new_type] & initmask) { + ff_type = new_type; + sig_r = State::S0; + goto cell_ok; + } + // Try adding both. + if (supported_cells[FF_DFFSR] & initmask) { + ff_type = FF_DFFSR; + sig_r = State::S0; + sig_s = State::S0; + break; + } + // Nope. Will need to add enable and go the DFFE route. + sig_e = State::S1; + if (supported_cells[FF_DFFE] & initmask) { + ff_type = FF_DFFE; + break; + } + } + // Try adding a set or reset pin. + for (auto new_type: {FF_SDFFE0, FF_SDFFE1, FF_SDFFCE0, FF_SDFFCE1, FF_ADFFE0, FF_ADFFE1}) + if (supported_cells[new_type] & initmask) { + ff_type = new_type; + sig_r = State::S0; + goto cell_ok; + } + // Try adding both. + if (supported_cells[FF_DFFSRE] & initmask) { + ff_type = FF_DFFSRE; + sig_r = State::S0; + sig_s = State::S0; + break; + } + + // Seems that no DFFs with enable are supported. + // The enable input needs to be unmapped. + // This should not be reached if we started from plain DFF. + log_assert(ff_type == FF_DFFE); + ff_type = FF_DFF; +unmap_enable: + if (ff_neg & NEG_E) + sig_d = cell->module->MuxGate(NEW_ID, sig_d[0], sig_q[0], sig_e[0]); + else + sig_d = cell->module->MuxGate(NEW_ID, sig_q[0], sig_d[0], sig_e[0]); + ff_neg &= ~NEG_E; + sig_e = SigSpec(); + kill_ce = false; + // Now try again as plain DFF. + continue; + } else if (ff_type == FF_ADFF0 || ff_type == FF_ADFF1 || ff_type == FF_ADFFE0 || ff_type == FF_ADFFE1) { + bool has_set = ff_type == FF_ADFF1 || ff_type == FF_ADFFE1; + bool has_en = ff_type == FF_ADFFE0 || ff_type == FF_ADFFE1; + if (kill_ce) { + ff_type = has_set ? FF_ADFF1 : FF_ADFF0; + goto unmap_enable; + } + if (!has_en && (supported_cells[has_set ? FF_ADFFE1 : FF_ADFFE0] & initmask)) { + // Just add enable. + sig_e = State::S1; + ff_type = has_set ? FF_ADFFE1 : FF_ADFFE0; + break; + } + if (supported_dffsr & initmask) { + // Throw in a set/reset, retry in DFFSR/DFFSRE branch. + if (has_set) { + sig_s = sig_r; + sig_r = State::S0; + if (ff_neg & NEG_R) { + ff_neg &= ~NEG_R; + ff_neg |= NEG_S; + } + } else { + sig_s = State::S0; + } + if (has_en) + ff_type = FF_DFFSRE; + else + ff_type = FF_DFFSR; + continue; + } + if (has_en && (supported_cells[has_set ? FF_ADFF1 : FF_ADFF0] & initmask)) { + // Unmap enable. + ff_type = has_set ? FF_ADFF1 : FF_ADFF0; + goto unmap_enable; + } + log_assert(!((has_set ? supported_adff1 : supported_adff0) & initmask)); + // Alright, so this particular combination of initval and + // resetval is not natively supported. First, try flipping + // them both to see whether this helps. + int flipmask = flip_initmask(initmask); + if ((has_set ? supported_adff0 : supported_adff1) & flipmask) { + // Checks out, do it. + ff_type = has_en ? (has_set ? FF_ADFFE0 : FF_ADFFE1) : (has_set ? FF_ADFF0 : FF_ADFF1); + goto flip_dqi; + } + + if (!supported_adff0 && !supported_adff1) { + reason = "dffs with async set or reset are not supported"; + goto error; + } + if (!(supported_dff & ~INIT_X)) { + reason = "initialized dffs are not supported"; + goto error; + } + // If we got here, initialized dff is supported, but not this + // particular reset+init combination (nor its negation). + // The only hope left is breaking down to adff + dff + dlatch + mux. + if (!(supported_dlatch & ~INIT_X)) { + reason = "unsupported initial value and async reset value combination"; + goto error; + } + + // If we have to unmap enable anyway, do it before breakdown. + if (has_en && !supported_cells[FF_ADFFE0] && !supported_cells[FF_ADFFE1]) { + ff_type = has_set ? FF_ADFF1 : FF_ADFF0; + goto unmap_enable; + } + + log_warning("Emulating mismatched async reset and init with several FFs and a mux for %s.%s\n", log_id(cell->module->name), log_id(cell->name)); + if (initbit.wire) + initbit.wire->attributes.at(ID::init)[initbit.offset] = State::Sx; + Wire *adff_q = cell->module->addWire(NEW_ID); + Wire *dff_q = cell->module->addWire(NEW_ID); + Wire *sel_q = cell->module->addWire(NEW_ID); + dff_q->attributes[ID::init] = initval; + initbits[SigBit(dff_q, 0)] = std::make_pair(initval, SigBit(dff_q, 0)); + sel_q->attributes[ID::init] = State::S0; + initbits[SigBit(sel_q, 0)] = std::make_pair(State::S0, SigBit(sel_q, 0)); + Cell *cell_dff; + Cell *cell_adff; + Cell *cell_sel; + if (!has_en) { + cell_dff = cell->module->addDffGate(NEW_ID, sig_c, sig_d, dff_q, !(ff_neg & NEG_C)); + cell_adff = cell->module->addAdffGate(NEW_ID, sig_c, sig_r, sig_d, adff_q, has_set, !(ff_neg & NEG_C), !(ff_neg & NEG_R)); + } else { + cell_dff = cell->module->addDffeGate(NEW_ID, sig_c, sig_e, sig_d, dff_q, !(ff_neg & NEG_C), !(ff_neg & NEG_E)); + cell_adff = cell->module->addAdffeGate(NEW_ID, sig_c, sig_e, sig_r, sig_d, adff_q, has_set, !(ff_neg & NEG_C), !(ff_neg & NEG_E), !(ff_neg & NEG_R)); + } + cell_sel = cell->module->addDlatchGate(NEW_ID, sig_r, State::S1, sel_q, !(ff_neg & NEG_R)); + cell->module->addMuxGate(NEW_ID, dff_q, adff_q, sel_q, sig_q); + + // Bye, cell. + cell->module->remove(cell); + handle_ff(cell_dff); + handle_ff(cell_adff); + handle_ff(cell_sel); + return; + } else if (ff_type == FF_DFFSR || ff_type == FF_DFFSRE) { + if (kill_ce) { + ff_type = FF_DFFSR; + goto unmap_enable; + } + // First, see if mapping/unmapping enable will help. + if (supported_cells[FF_DFFSRE] & initmask) { + ff_type = FF_DFFSRE; + sig_e = State::S1; + break; + } + if (supported_cells[FF_DFFSR] & initmask) { + ff_type = FF_DFFSR; + goto unmap_enable; + } + if (supported_dffsr & flip_initmask(initmask)) { +flip_dqisr:; + log_warning("Flipping D/Q/init and inseerting set/reset fixup to handle init value on %s.%s [%s]\n", log_id(cell->module->name), log_id(cell->name), log_id(cell->type)); + SigSpec new_r; + bool neg_r = (ff_neg & NEG_R); + bool neg_s = (ff_neg & NEG_S); + if (!(ff_neg & NEG_S)) { + if (!(ff_neg & NEG_R)) + new_r = cell->module->AndnotGate(NEW_ID, sig_s, sig_r); + else + new_r = cell->module->AndGate(NEW_ID, sig_s, sig_r); + } else { + if (!(ff_neg & NEG_R)) + new_r = cell->module->OrGate(NEW_ID, sig_s, sig_r); + else + new_r = cell->module->OrnotGate(NEW_ID, sig_s, sig_r); + } + ff_neg &= ~(NEG_R | NEG_S); + if (neg_r) + ff_neg |= NEG_S; + if (neg_s) + ff_neg |= NEG_R; + sig_s = sig_r; + sig_r = new_r; + goto flip_dqi; + } + // No native DFFSR. However, if we can conjure + // a SR latch and ADFF, it can still be emulated. + int flipmask = flip_initmask(initmask); + bool init0 = true; + bool init1 = true; + State initsel = State::Sx; + if (((supported_adff0 & initmask) || (supported_adff1 & flipmask)) && ((supported_adff1 & initmask) || (supported_adff0 & flipmask)) && supported_sr) { + // OK + } else if (((supported_adff0 & initmask) || (supported_adff1 & flipmask)) && (supported_sr & INIT_0)) { + init1 = false; + initsel = State::S0; + } else if (((supported_adff1 & initmask) || (supported_adff0 & flipmask)) && (supported_sr & INIT_1)) { + init0 = false; + initsel = State::S1; + } else if (((supported_adff0 & initmask) || (supported_adff1 & flipmask)) && (supported_sr & INIT_1)) { + init1 = false; + initsel = State::S0; + } else if (((supported_adff1 & initmask) || (supported_adff0 & flipmask)) && (supported_sr & INIT_0)) { + init0 = false; + initsel = State::S1; + } else { + if (!supported_dffsr) + reason = "dffs with async set and reset are not supported"; + else + reason = "initialized dffs with async set and reset are not supported"; + goto error; + } + + // If we have to unmap enable anyway, do it before breakdown. + if (ff_type == FF_DFFSRE && !supported_cells[FF_ADFFE0] && !supported_cells[FF_ADFFE1]) { + ff_type = FF_DFFSR; + goto unmap_enable; + } + + log_warning("Emulating async set + reset with several FFs and a mux for %s.%s\n", log_id(cell->module->name), log_id(cell->name)); + if (initbit.wire) + initbit.wire->attributes.at(ID::init)[initbit.offset] = State::Sx; + Wire *adff0_q = cell->module->addWire(NEW_ID); + Wire *adff1_q = cell->module->addWire(NEW_ID); + Wire *sel_q = cell->module->addWire(NEW_ID); + if (init0) { + adff0_q->attributes[ID::init] = initval; + initbits[SigBit(adff0_q, 0)] = std::make_pair(initval, SigBit(adff0_q, 0)); + } + if (init1) { + adff1_q->attributes[ID::init] = initval; + initbits[SigBit(adff1_q, 0)] = std::make_pair(initval, SigBit(adff1_q, 0)); + } + sel_q->attributes[ID::init] = initsel; + initbits[SigBit(sel_q, 0)] = std::make_pair(initsel, SigBit(sel_q, 0)); + Cell *cell_adff0; + Cell *cell_adff1; + Cell *cell_sel; + if (ff_type == FF_DFFSR) { + cell_adff0 = cell->module->addAdffGate(NEW_ID, sig_c, sig_r, sig_d, adff0_q, false, !(ff_neg & NEG_C), !(ff_neg & NEG_R)); + cell_adff1 = cell->module->addAdffGate(NEW_ID, sig_c, sig_s, sig_d, adff1_q, true, !(ff_neg & NEG_C), !(ff_neg & NEG_S)); + } else { + cell_adff0 = cell->module->addAdffeGate(NEW_ID, sig_c, sig_e, sig_r, sig_d, adff0_q, false, !(ff_neg & NEG_C), !(ff_neg & NEG_E), !(ff_neg & NEG_R)); + cell_adff1 = cell->module->addAdffeGate(NEW_ID, sig_c, sig_e, sig_s, sig_d, adff1_q, true, !(ff_neg & NEG_C), !(ff_neg & NEG_E), !(ff_neg & NEG_S)); + } + cell_sel = cell->module->addSrGate(NEW_ID, sig_s, sig_r, sel_q, !(ff_neg & NEG_S), !(ff_neg & NEG_R)); + cell->module->addMuxGate(NEW_ID, adff0_q, adff1_q, sel_q, sig_q); + + // Bye, cell. + cell->module->remove(cell); + handle_ff(cell_adff0); + handle_ff(cell_adff1); + handle_ff(cell_sel); + return; + } else if (ff_type == FF_SR) { + if (supported_cells[FF_ADLATCH0] & initmask || supported_cells[FF_ADLATCH1] & flip_initmask(initmask)) { + // Convert to ADLATCH0. May get converted to ADLATCH1. + ff_type = FF_ADLATCH0; + sig_e = sig_s; + sig_d = State::S1; + if (ff_neg & NEG_S) { + ff_neg &= ~NEG_S; + ff_neg |= NEG_E; + } + continue; + } else if (supported_cells[FF_DLATCHSR] & initmask) { + // Upgrade to DLATCHSR. + ff_type = FF_DLATCHSR; + sig_e = State::S0; + sig_d = State::Sx; + break; + } else if (supported_dffsr & initmask) { + // Upgrade to DFFSR. May get further upgraded to DFFSRE. + ff_type = FF_DFFSR; + sig_c = State::S0; + sig_d = State::Sx; + continue; + } else if (supported_sr & flip_initmask(initmask)) { + goto flip_dqisr; + } else { + if (!supported_sr) + reason = "sr latches are not supported"; + else + reason = "initialized sr latches are not supported"; + goto error; + } + } else if (ff_type == FF_DLATCH) { + if (!(supported_dlatch & initmask)) { + // This init value is not supported at all... + if (supported_dlatch & flip_initmask(initmask)) + goto flip_dqi; + if (!supported_dlatch) + reason = "dlatch are not supported"; + else + reason = "initialized dlatch are not supported"; + goto error; + } + + // Some DLATCH is supported with this init val. Just pick a type. + if (supported_cells[FF_ADLATCH0] & initmask) { + ff_type = FF_ADLATCH0; + sig_r = State::S0; + break; + } + if (supported_cells[FF_ADLATCH1] & initmask) { + ff_type = FF_ADLATCH1; + sig_r = State::S0; + break; + } + if (supported_cells[FF_DLATCHSR] & initmask) { + ff_type = FF_DLATCHSR; + sig_r = State::S0; + sig_s = State::S0; + break; + } + log_assert(0); + } else if (ff_type == FF_ADLATCH0 || ff_type == FF_ADLATCH1) { + if (supported_cells[FF_DLATCHSR] & initmask) { + if (ff_type == FF_ADLATCH1) { + sig_s = sig_r; + sig_r = State::S0; + if (ff_neg & NEG_R) { + ff_neg &= ~NEG_R; + ff_neg |= NEG_S; + } + } else { + sig_s = State::S0; + } + ff_type = FF_DLATCHSR; + break; + } + FfType flip_type = ff_type == FF_ADLATCH0 ? FF_ADLATCH1 : FF_ADLATCH0; + if ((supported_cells[flip_type] | supported_cells[FF_DLATCHSR]) & flip_initmask(initmask)) { + ff_type = flip_type; + goto flip_dqi; + } + + if (!supported_cells[FF_ADLATCH0] && !supported_cells[FF_ADLATCH1] && !supported_cells[FF_DLATCHSR]) { + reason = "dlatch with async set or reset are not supported"; + goto error; + } + if (!(supported_dlatch & ~INIT_X)) { + reason = "initialized dlatch are not supported"; + goto error; + } + + if (!(supported_dlatch & ~INIT_X)) { + reason = "initialized dlatch are not supported"; + goto error; + } + // If we got here, initialized dlatch is supported, but not this + // particular reset+init combination (nor its negation). + // The only hope left is breaking down to adff + dff + dlatch + mux. + + log_warning("Emulating mismatched async reset and init with several latches and a mux for %s.%s\n", log_id(cell->module->name), log_id(cell->name)); + if (initbit.wire) + initbit.wire->attributes.at(ID::init)[initbit.offset] = State::Sx; + Wire *adlatch_q = cell->module->addWire(NEW_ID); + Wire *dlatch_q = cell->module->addWire(NEW_ID); + Wire *sel_q = cell->module->addWire(NEW_ID); + dlatch_q->attributes[ID::init] = initval; + initbits[SigBit(dlatch_q, 0)] = std::make_pair(initval, SigBit(dlatch_q, 0)); + sel_q->attributes[ID::init] = State::S0; + initbits[SigBit(sel_q, 0)] = std::make_pair(State::S0, SigBit(sel_q, 0)); + Cell *cell_dlatch; + Cell *cell_adlatch; + Cell *cell_sel; + cell_dlatch = cell->module->addDlatchGate(NEW_ID, sig_e, sig_d, dlatch_q, !(ff_neg & NEG_E)); + cell_adlatch = cell->module->addAdlatchGate(NEW_ID, sig_e, sig_r, sig_d, adlatch_q, ff_type == FF_ADLATCH1, !(ff_neg & NEG_E), !(ff_neg & NEG_R)); + cell_sel = cell->module->addDlatchGate(NEW_ID, sig_r, State::S1, sel_q, !(ff_neg & NEG_R)); + cell->module->addMuxGate(NEW_ID, dlatch_q, adlatch_q, sel_q, sig_q); + + // Bye, cell. + cell->module->remove(cell); + handle_ff(cell_dlatch); + handle_ff(cell_adlatch); + handle_ff(cell_sel); + return; + } else if (ff_type == FF_DLATCHSR) { + if (supported_cells[FF_DLATCHSR] & flip_initmask(initmask)) { + goto flip_dqisr; + } + // No native DFFSR. However, if we can conjure + // a SR latch and ADFF, it can still be emulated. + int flipmask = flip_initmask(initmask); + bool init0 = true; + bool init1 = true; + State initsel = State::Sx; + if (((supported_cells[FF_ADLATCH0] & initmask) || (supported_cells[FF_ADLATCH1] & flipmask)) && ((supported_cells[FF_ADLATCH1] & initmask) || (supported_cells[FF_ADLATCH0] & flipmask)) && supported_sr) { + // OK + } else if (((supported_cells[FF_ADLATCH0] & initmask) || (supported_cells[FF_ADLATCH1] & flipmask)) && (supported_sr & INIT_0)) { + init1 = false; + initsel = State::S0; + } else if (((supported_cells[FF_ADLATCH1] & initmask) || (supported_cells[FF_ADLATCH0] & flipmask)) && (supported_sr & INIT_1)) { + init0 = false; + initsel = State::S1; + } else if (((supported_cells[FF_ADLATCH0] & initmask) || (supported_cells[FF_ADLATCH1] & flipmask)) && (supported_sr & INIT_1)) { + init1 = false; + initsel = State::S0; + } else if (((supported_cells[FF_ADLATCH1] & initmask) || (supported_cells[FF_ADLATCH0] & flipmask)) && (supported_sr & INIT_0)) { + init0 = false; + initsel = State::S1; + } else { + if (!supported_cells[FF_DLATCHSR]) + reason = "dlatch with async set and reset are not supported"; + else + reason = "initialized dlatch with async set and reset are not supported"; + goto error; + } + + log_warning("Emulating async set + reset with several latches and a mux for %s.%s\n", log_id(cell->module->name), log_id(cell->name)); + if (initbit.wire) + initbit.wire->attributes.at(ID::init)[initbit.offset] = State::Sx; + Wire *adlatch0_q = cell->module->addWire(NEW_ID); + Wire *adlatch1_q = cell->module->addWire(NEW_ID); + Wire *sel_q = cell->module->addWire(NEW_ID); + if (init0) { + adlatch0_q->attributes[ID::init] = initval; + initbits[SigBit(adlatch0_q, 0)] = std::make_pair(initval, SigBit(adlatch0_q, 0)); + } + if (init1) { + adlatch1_q->attributes[ID::init] = initval; + initbits[SigBit(adlatch1_q, 0)] = std::make_pair(initval, SigBit(adlatch1_q, 0)); + } + sel_q->attributes[ID::init] = initsel; + initbits[SigBit(sel_q, 0)] = std::make_pair(initsel, SigBit(sel_q, 0)); + Cell *cell_adlatch0; + Cell *cell_adlatch1; + Cell *cell_sel; + cell_adlatch0 = cell->module->addAdlatchGate(NEW_ID, sig_e, sig_r, sig_d, adlatch0_q, false, !(ff_neg & NEG_E), !(ff_neg & NEG_R)); + cell_adlatch1 = cell->module->addAdlatchGate(NEW_ID, sig_e, sig_s, sig_d, adlatch1_q, true, !(ff_neg & NEG_E), !(ff_neg & NEG_S)); + cell_sel = cell->module->addSrGate(NEW_ID, sig_s, sig_r, sel_q, !(ff_neg & NEG_S), !(ff_neg & NEG_R)); + cell->module->addMuxGate(NEW_ID, adlatch0_q, adlatch1_q, sel_q, sig_q); + + // Bye, cell. + cell->module->remove(cell); + handle_ff(cell_adlatch0); + handle_ff(cell_adlatch1); + handle_ff(cell_sel); + return; + } else if (ff_type == FF_SDFF0 || ff_type == FF_SDFF1 || ff_type == FF_SDFFE0 || ff_type == FF_SDFFE1 || ff_type == FF_SDFFCE0 || ff_type == FF_SDFFCE1) { + bool has_set = ff_type == FF_SDFF1 || ff_type == FF_SDFFE1 || ff_type == FF_SDFFCE1; + bool has_en = ff_type == FF_SDFFE0 || ff_type == FF_SDFFE1; + bool has_ce = ff_type == FF_SDFFCE0 || ff_type == FF_SDFFCE1; + + if (has_en) { + if (kill_ce || kill_srst) { + ff_type = has_set ? FF_SDFF1 : FF_SDFF0; + goto unmap_enable; + } + } else if (has_ce) { + if (kill_ce || kill_srst) + goto unmap_srst; + } else { + log_assert(!kill_ce); + if (kill_srst) + goto unmap_srst; + } + + if (!has_ce) { + if (!has_en && (supported_cells[has_set ? FF_SDFFE1 : FF_SDFFE0] & initmask)) { + // Just add enable. + sig_e = State::S1; + ff_type = has_set ? FF_SDFFE1 : FF_SDFFE0; + break; + } + if (!has_en && (supported_cells[has_set ? FF_SDFFCE1 : FF_SDFFCE0] & initmask)) { + // Just add enable. + sig_e = State::S1; + ff_type = has_set ? FF_SDFFCE1 : FF_SDFFCE0; + break; + } + if (has_en && (supported_cells[has_set ? FF_SDFFCE1 : FF_SDFFCE0] & initmask)) { + // Convert sdffe to sdffce + if (!(ff_neg & NEG_E)) { + if (!(ff_neg & NEG_R)) + sig_e = cell->module->OrGate(NEW_ID, sig_e, sig_r); + else + sig_e = cell->module->OrnotGate(NEW_ID, sig_e, sig_r); + } else { + if (!(ff_neg & NEG_R)) + sig_e = cell->module->AndnotGate(NEW_ID, sig_e, sig_r); + else + sig_e = cell->module->AndGate(NEW_ID, sig_e, sig_r); + } + ff_type = has_set ? FF_SDFFCE1 : FF_SDFFCE0; + break; + } + if (has_en && (supported_cells[has_set ? FF_SDFF1 : FF_SDFF0] & initmask)) { + // Unmap enable. + ff_type = has_set ? FF_SDFF1 : FF_SDFF0; + goto unmap_enable; + } + log_assert(!((has_set ? supported_sdff1 : supported_sdff0) & initmask)); + } else { + if ((has_set ? supported_sdff1 : supported_sdff0) & initmask) { + // Convert sdffce to sdffe, which may be further converted to sdff. + if (!(ff_neg & NEG_R)) { + if (!(ff_neg & NEG_E)) + sig_r = cell->module->AndGate(NEW_ID, sig_r, sig_e); + else + sig_r = cell->module->AndnotGate(NEW_ID, sig_r, sig_e); + } else { + if (!(ff_neg & NEG_E)) + sig_r = cell->module->OrnotGate(NEW_ID, sig_r, sig_e); + else + sig_r = cell->module->OrGate(NEW_ID, sig_r, sig_e); + } + ff_type = has_set ? FF_SDFFE1 : FF_SDFFE0; + continue; + } + } + // Alright, so this particular combination of initval and + // resetval is not natively supported. First, try flipping + // them both to see whether this helps. + if ((has_set ? supported_sdff0 : supported_sdff1) & flip_initmask(initmask)) { + // Checks out, do it. + ff_type = has_ce ? (has_set ? FF_SDFFCE0 : FF_SDFFCE1) : has_en ? (has_set ? FF_SDFFE0 : FF_SDFFE1) : (has_set ? FF_SDFF0 : FF_SDFF1); + goto flip_dqi; + } + + // Nope. No way to get SDFF* of the right kind, so unmap it. + // For SDFFE, the enable has to be unmapped first. + if (has_en) { + ff_type = has_set ? FF_SDFF1 : FF_SDFF0; + goto unmap_enable; + } +unmap_srst: + if (has_ce) + ff_type = FF_DFFE; + else + ff_type = FF_DFF; + if (ff_neg & NEG_R) + sig_d = cell->module->MuxGate(NEW_ID, has_set ? State::S1 : State::S0, sig_d[0], sig_r[0]); + else + sig_d = cell->module->MuxGate(NEW_ID, sig_d[0], has_set ? State::S1 : State::S0, sig_r[0]); + ff_neg &= ~NEG_R; + sig_r = SigSpec(); + kill_srst = false; + continue; + } else { + log_assert(0); + } + } +cell_ok: + + if (!(supported_cells_neg[ff_type][ff_neg] & initmask)) { + // Cell is supported, but not with those polarities. + // Will need to add some inverters. + + // Find the smallest value that xored with the neg mask + // results in a supported one — this results in preferentially + // inverting resets before clocks, etc. + int xneg; + for (xneg = 0; xneg < NUM_NEG; xneg++) + if (supported_cells_neg[ff_type][ff_neg ^ xneg] & initmask) + break; + log_assert(xneg < NUM_NEG); + if (xneg & NEG_R) + sig_r = cell->module->NotGate(NEW_ID, sig_r[0]); + if (xneg & NEG_S) + sig_s = cell->module->NotGate(NEW_ID, sig_s[0]); + if (xneg & NEG_E) + sig_e = cell->module->NotGate(NEW_ID, sig_e[0]); + if (xneg & NEG_C) + sig_c = cell->module->NotGate(NEW_ID, sig_c[0]); + ff_neg ^= xneg; + } + + cell->unsetPort(ID::D); + cell->unsetPort(ID::Q); + cell->unsetPort(ID::C); + cell->unsetPort(ID::E); + cell->unsetPort(ID::S); + cell->unsetPort(ID::R); + switch (ff_type) { + case FF_DFF: + cell->type = IdString(stringf("$_DFF_%c_", + (ff_neg & NEG_C) ? 'N' : 'P' + )); + cell->setPort(ID::D, sig_d); + cell->setPort(ID::Q, sig_q); + cell->setPort(ID::C, sig_c); + break; + case FF_DFFE: + cell->type = IdString(stringf("$_DFFE_%c%c_", + (ff_neg & NEG_C) ? 'N' : 'P', + (ff_neg & NEG_E) ? 'N' : 'P' + )); + cell->setPort(ID::D, sig_d); + cell->setPort(ID::Q, sig_q); + cell->setPort(ID::C, sig_c); + cell->setPort(ID::E, sig_e); + break; + case FF_ADFF0: + case FF_ADFF1: + cell->type = IdString(stringf("$_DFF_%c%c%c_", + (ff_neg & NEG_C) ? 'N' : 'P', + (ff_neg & NEG_R) ? 'N' : 'P', + (ff_type == FF_ADFF1) ? '1' : '0' + )); + cell->setPort(ID::D, sig_d); + cell->setPort(ID::Q, sig_q); + cell->setPort(ID::C, sig_c); + cell->setPort(ID::R, sig_r); + break; + case FF_ADFFE0: + case FF_ADFFE1: + cell->type = IdString(stringf("$_DFFE_%c%c%c%c_", + (ff_neg & NEG_C) ? 'N' : 'P', + (ff_neg & NEG_R) ? 'N' : 'P', + (ff_type == FF_ADFFE1) ? '1' : '0', + (ff_neg & NEG_E) ? 'N' : 'P' + )); + cell->setPort(ID::D, sig_d); + cell->setPort(ID::Q, sig_q); + cell->setPort(ID::C, sig_c); + cell->setPort(ID::E, sig_e); + cell->setPort(ID::R, sig_r); + break; + case FF_DFFSR: + cell->type = IdString(stringf("$_DFFSR_%c%c%c_", + (ff_neg & NEG_C) ? 'N' : 'P', + (ff_neg & NEG_S) ? 'N' : 'P', + (ff_neg & NEG_R) ? 'N' : 'P' + )); + cell->setPort(ID::D, sig_d); + cell->setPort(ID::Q, sig_q); + cell->setPort(ID::C, sig_c); + cell->setPort(ID::S, sig_s); + cell->setPort(ID::R, sig_r); + break; + case FF_DFFSRE: + cell->type = IdString(stringf("$_DFFSRE_%c%c%c%c_", + (ff_neg & NEG_C) ? 'N' : 'P', + (ff_neg & NEG_S) ? 'N' : 'P', + (ff_neg & NEG_R) ? 'N' : 'P', + (ff_neg & NEG_E) ? 'N' : 'P' + )); + cell->setPort(ID::D, sig_d); + cell->setPort(ID::Q, sig_q); + cell->setPort(ID::C, sig_c); + cell->setPort(ID::E, sig_e); + cell->setPort(ID::S, sig_s); + cell->setPort(ID::R, sig_r); + break; + case FF_SDFF0: + case FF_SDFF1: + cell->type = IdString(stringf("$_SDFF_%c%c%c_", + (ff_neg & NEG_C) ? 'N' : 'P', + (ff_neg & NEG_R) ? 'N' : 'P', + (ff_type == FF_SDFF1) ? '1' : '0' + )); + cell->setPort(ID::D, sig_d); + cell->setPort(ID::Q, sig_q); + cell->setPort(ID::C, sig_c); + cell->setPort(ID::R, sig_r); + break; + case FF_SDFFE0: + case FF_SDFFE1: + cell->type = IdString(stringf("$_SDFFE_%c%c%c%c_", + (ff_neg & NEG_C) ? 'N' : 'P', + (ff_neg & NEG_R) ? 'N' : 'P', + (ff_type == FF_SDFFE1) ? '1' : '0', + (ff_neg & NEG_E) ? 'N' : 'P' + )); + cell->setPort(ID::D, sig_d); + cell->setPort(ID::Q, sig_q); + cell->setPort(ID::C, sig_c); + cell->setPort(ID::E, sig_e); + cell->setPort(ID::R, sig_r); + break; + case FF_SDFFCE0: + case FF_SDFFCE1: + cell->type = IdString(stringf("$_SDFFCE_%c%c%c%c_", + (ff_neg & NEG_C) ? 'N' : 'P', + (ff_neg & NEG_R) ? 'N' : 'P', + (ff_type == FF_SDFFCE1) ? '1' : '0', + (ff_neg & NEG_E) ? 'N' : 'P' + )); + cell->setPort(ID::D, sig_d); + cell->setPort(ID::Q, sig_q); + cell->setPort(ID::C, sig_c); + cell->setPort(ID::E, sig_e); + cell->setPort(ID::R, sig_r); + break; + case FF_DLATCH: + cell->type = IdString(stringf("$_DLATCH_%c_", + (ff_neg & NEG_E) ? 'N' : 'P' + )); + cell->setPort(ID::D, sig_d); + cell->setPort(ID::Q, sig_q); + cell->setPort(ID::E, sig_e); + break; + case FF_ADLATCH0: + case FF_ADLATCH1: + cell->type = IdString(stringf("$_DLATCH_%c%c%c_", + (ff_neg & NEG_E) ? 'N' : 'P', + (ff_neg & NEG_R) ? 'N' : 'P', + (ff_type == FF_ADLATCH1) ? '1' : '0' + )); + cell->setPort(ID::D, sig_d); + cell->setPort(ID::Q, sig_q); + cell->setPort(ID::E, sig_e); + cell->setPort(ID::R, sig_r); + break; + case FF_DLATCHSR: + cell->type = IdString(stringf("$_DLATCHSR_%c%c%c_", + (ff_neg & NEG_E) ? 'N' : 'P', + (ff_neg & NEG_S) ? 'N' : 'P', + (ff_neg & NEG_R) ? 'N' : 'P' + )); + cell->setPort(ID::D, sig_d); + cell->setPort(ID::Q, sig_q); + cell->setPort(ID::E, sig_e); + cell->setPort(ID::S, sig_s); + cell->setPort(ID::R, sig_r); + break; + case FF_SR: + cell->type = IdString(stringf("$_SR_%c%c_", + (ff_neg & NEG_S) ? 'N' : 'P', + (ff_neg & NEG_R) ? 'N' : 'P' + )); + cell->setPort(ID::Q, sig_q); + cell->setPort(ID::S, sig_s); + cell->setPort(ID::R, sig_r); + break; + default: + log_assert(0); + } + return; + +error: + log_error("FF %s.%s (type %s) cannot be legalized: %s\n", log_id(cell->module->name), log_id(cell->name), log_id(cell->type), reason); + } + + void execute(std::vector<std::string> args, RTLIL::Design *design) override + { + + log_header(design, "Executing DFFLEGALIZE pass (convert FFs to types supported by the target).\n"); + + for (int i = 0; i < NUM_FFTYPES; i++) { + for (int j = 0; j < NUM_NEG; j++) + supported_cells_neg[i][j] = 0; + supported_cells[i] = 0; + } + mince = 0; + minsrst = 0; + + size_t argidx; + for (argidx = 1; argidx < args.size(); argidx++) + { + if (args[argidx] == "-cell" && argidx + 2 < args.size()) { + std::string celltype = args[++argidx]; + std::string inittype = args[++argidx]; + enum FfType ff_type[2] = {NUM_FFTYPES, NUM_FFTYPES}; + char pol_c = 0; + char pol_e = 0; + char pol_s = 0; + char pol_r = 0; + char srval = 0; + if (celltype.substr(0, 5) == "$_SR_" && celltype.size() == 8 && celltype[7] == '_') { + ff_type[0] = FF_SR; + pol_s = celltype[5]; + pol_r = celltype[6]; + } else if (celltype.substr(0, 6) == "$_DFF_" && celltype.size() == 8 && celltype[7] == '_') { + ff_type[0] = FF_DFF; + pol_c = celltype[6]; + } else if (celltype.substr(0, 7) == "$_DFFE_" && celltype.size() == 10 && celltype[9] == '_') { + ff_type[0] = FF_DFFE; + pol_c = celltype[7]; + pol_e = celltype[8]; + } else if (celltype.substr(0, 6) == "$_DFF_" && celltype.size() == 10 && celltype[9] == '_') { + ff_type[0] = FF_ADFF0; + ff_type[1] = FF_ADFF1; + pol_c = celltype[6]; + pol_r = celltype[7]; + srval = celltype[8]; + } else if (celltype.substr(0, 7) == "$_DFFE_" && celltype.size() == 12 && celltype[11] == '_') { + ff_type[0] = FF_ADFFE0; + ff_type[1] = FF_ADFFE1; + pol_c = celltype[7]; + pol_r = celltype[8]; + srval = celltype[9]; + pol_e = celltype[10]; + } else if (celltype.substr(0, 8) == "$_DFFSR_" && celltype.size() == 12 && celltype[11] == '_') { + ff_type[0] = FF_DFFSR; + pol_c = celltype[8]; + pol_s = celltype[9]; + pol_r = celltype[10]; + } else if (celltype.substr(0, 9) == "$_DFFSRE_" && celltype.size() == 14 && celltype[13] == '_') { + ff_type[0] = FF_DFFSRE; + pol_c = celltype[9]; + pol_s = celltype[10]; + pol_r = celltype[11]; + pol_e = celltype[12]; + } else if (celltype.substr(0, 7) == "$_SDFF_" && celltype.size() == 11 && celltype[10] == '_') { + ff_type[0] = FF_SDFF0; + ff_type[1] = FF_SDFF1; + pol_c = celltype[7]; + pol_r = celltype[8]; + srval = celltype[9]; + } else if (celltype.substr(0, 8) == "$_SDFFE_" && celltype.size() == 13 && celltype[12] == '_') { + ff_type[0] = FF_SDFFE0; + ff_type[1] = FF_SDFFE1; + pol_c = celltype[8]; + pol_r = celltype[9]; + srval = celltype[10]; + pol_e = celltype[11]; + } else if (celltype.substr(0, 9) == "$_SDFFCE_" && celltype.size() == 14 && celltype[13] == '_') { + ff_type[0] = FF_SDFFCE0; + ff_type[1] = FF_SDFFCE1; + pol_c = celltype[9]; + pol_r = celltype[10]; + srval = celltype[11]; + pol_e = celltype[12]; + } else if (celltype.substr(0, 9) == "$_DLATCH_" && celltype.size() == 11 && celltype[10] == '_') { + ff_type[0] = FF_DLATCH; + pol_e = celltype[9]; + } else if (celltype.substr(0, 9) == "$_DLATCH_" && celltype.size() == 13 && celltype[12] == '_') { + ff_type[0] = FF_ADLATCH0; + ff_type[1] = FF_ADLATCH1; + pol_e = celltype[9]; + pol_r = celltype[10]; + srval = celltype[11]; + } else if (celltype.substr(0, 11) == "$_DLATCHSR_" && celltype.size() == 15 && celltype[14] == '_') { + ff_type[0] = FF_DLATCHSR; + pol_e = celltype[11]; + pol_s = celltype[12]; + pol_r = celltype[13]; + } else { +unrecognized: + log_error("unrecognized cell type %s.\n", celltype.c_str()); + } + int mask = 0; + int match = 0; + for (auto pair : { + std::make_pair(pol_c, NEG_C), + std::make_pair(pol_e, NEG_E), + std::make_pair(pol_s, NEG_S), + std::make_pair(pol_r, NEG_R), + }) { + if (pair.first == 'N') { + mask |= pair.second; + match |= pair.second; + } else if (pair.first == 'P' || pair.first == 0) { + mask |= pair.second; + } else if (pair.first != '?') { + goto unrecognized; + } + } + if (srval == '0') { + ff_type[1] = NUM_FFTYPES; + } else if (srval == '1') { + ff_type[0] = NUM_FFTYPES; + } else if (srval != 0 && srval != '?') { + goto unrecognized; + } + for (int i = 0; i < 2; i++) { + if (ff_type[i] == NUM_FFTYPES) + continue; + int initmask; + if (inittype == "x") { + initmask = INIT_X; + } else if (inittype == "0") { + initmask = INIT_X | INIT_0; + } else if (inittype == "1") { + initmask = INIT_X | INIT_1; + } else if (inittype == "r") { + if (srval == 0) + log_error("init type r not valid for cell type %s.\n", celltype.c_str()); + if (i == 0) + initmask = INIT_X | INIT_0; + else + initmask = INIT_X | INIT_1; + } else if (inittype == "01") { + initmask = INIT_X | INIT_0 | INIT_1; + } else { + log_error("unrecognized init type %s for cell type %s.\n", inittype.c_str(), celltype.c_str()); + } + for (int neg = 0; neg < NUM_NEG; neg++) + if ((neg & mask) == match) + supported_cells_neg[ff_type[i]][neg] |= initmask; + supported_cells[ff_type[i]] |= initmask; + } + continue; + } else if (args[argidx] == "-mince" && argidx + 1 < args.size()) { + mince = atoi(args[++argidx].c_str()); + continue; + } else if (args[argidx] == "-minsrst" && argidx + 1 < args.size()) { + minsrst = atoi(args[++argidx].c_str()); + continue; + } + break; + } + extra_args(args, argidx, design); + supported_dffsr = supported_cells[FF_DFFSR] | supported_cells[FF_DFFSRE]; + supported_adff0 = supported_cells[FF_ADFF0] | supported_cells[FF_ADFFE0] | supported_dffsr; + supported_adff1 = supported_cells[FF_ADFF1] | supported_cells[FF_ADFFE1] | supported_dffsr; + supported_sdff0 = supported_cells[FF_SDFF0] | supported_cells[FF_SDFFE0] | supported_cells[FF_SDFFCE0]; + supported_sdff1 = supported_cells[FF_SDFF1] | supported_cells[FF_SDFFE1] | supported_cells[FF_SDFFCE1]; + supported_dff = supported_cells[FF_DFF] | supported_cells[FF_DFFE] | supported_dffsr | supported_adff0 | supported_adff1 | supported_sdff0 | supported_sdff1; + supported_sr = supported_dffsr | supported_cells[FF_DLATCHSR] | supported_cells[FF_SR] | supported_cells[FF_ADLATCH0] | flip_initmask(supported_cells[FF_ADLATCH1]); + supported_dlatch = supported_cells[FF_DLATCH] | supported_cells[FF_ADLATCH0] | supported_cells[FF_ADLATCH1] | supported_cells[FF_DLATCHSR]; + + for (auto module : design->selected_modules()) + { + sigmap.set(module); + initbits.clear(); + + for (auto wire : module->selected_wires()) + { + if (wire->attributes.count(ID::init) == 0) + continue; + + SigSpec wirebits = sigmap(wire); + Const initval = wire->attributes.at(ID::init); + + for (int i = 0; i < GetSize(wirebits) && i < GetSize(initval); i++) + { + SigBit bit = wirebits[i]; + State val = initval[i]; + + if (val != State::S0 && val != State::S1 && bit.wire != nullptr) + continue; + + if (initbits.count(bit)) { + if (initbits.at(bit).first != val) + log_error("Conflicting init values for signal %s (%s = %s != %s).\n", + log_signal(bit), log_signal(SigBit(wire, i)), + log_signal(val), log_signal(initbits.at(bit).first)); + continue; + } + + initbits[bit] = std::make_pair(val,SigBit(wire,i)); + } + } + + if (mince || minsrst) { + ce_used.clear(); + srst_used.clear(); + + for (auto cell : module->cells()) { + if (!RTLIL::builtin_ff_cell_types().count(cell->type)) + continue; + + if (cell->hasPort(ID::C) && cell->hasPort(ID::E)) { + SigSpec sig = cell->getPort(ID::E); + // Do not count const enable signals. + if (GetSize(sig) == 1 && sig[0].wire) + ce_used[sig[0]]++; + } + if (cell->type.str().substr(0, 6) == "$_SDFF") { + SigSpec sig = cell->getPort(ID::R); + // Do not count const srst signals. + if (GetSize(sig) == 1 && sig[0].wire) + srst_used[sig[0]]++; + } + } + } + + // First gather FF cells, then iterate over them later. + // We may need to split an FF into several cells. + std::vector<Cell *> ff_cells; + + for (auto cell : module->selected_cells()) + { + // Early exit for non-FFs. + if (!RTLIL::builtin_ff_cell_types().count(cell->type)) + continue; + + ff_cells.push_back(cell); + } + + for (auto cell: ff_cells) + handle_ff(cell); + } + + sigmap.clear(); + initbits.clear(); + ce_used.clear(); + srst_used.clear(); + } +} DffLegalizePass; + +PRIVATE_NAMESPACE_END diff --git a/tests/techmap/dfflegalize_adff.ys b/tests/techmap/dfflegalize_adff.ys new file mode 100644 index 000000000..a563e8c61 --- /dev/null +++ b/tests/techmap/dfflegalize_adff.ys @@ -0,0 +1,103 @@ +read_verilog -icells <<EOT + +module adff0(input C, R, D, output [2:0] Q); +$_DFF_PP0_ ff0 (.C(C), .R(R), .D(D), .Q(Q[0])); +$_DFF_PN0_ ff1 (.C(C), .R(R), .D(D), .Q(Q[1])); +$_DFF_NP0_ ff2 (.C(C), .R(R), .D(D), .Q(Q[2])); +endmodule + +module adff1(input C, R, D, output [2:0] Q); +$_DFF_PP1_ ff0 (.C(C), .R(R), .D(D), .Q(Q[0])); +$_DFF_PN1_ ff1 (.C(C), .R(R), .D(D), .Q(Q[1])); +$_DFF_NP1_ ff2 (.C(C), .R(R), .D(D), .Q(Q[2])); +endmodule + +module adffe0(input C, E, R, D, output [3:0] Q); +$_DFFE_PP0P_ ff0 (.C(C), .R(R), .E(E), .D(D), .Q(Q[0])); +$_DFFE_PP0N_ ff1 (.C(C), .R(R), .E(E), .D(D), .Q(Q[1])); +$_DFFE_PN0P_ ff2 (.C(C), .R(R), .E(E), .D(D), .Q(Q[2])); +$_DFFE_NP0P_ ff3 (.C(C), .R(R), .E(E), .D(D), .Q(Q[3])); +endmodule + +module adffe1(input C, E, R, D, output [3:0] Q); +$_DFFE_PP1P_ ff0 (.C(C), .R(R), .E(E), .D(D), .Q(Q[0])); +$_DFFE_PP1N_ ff1 (.C(C), .R(R), .E(E), .D(D), .Q(Q[1])); +$_DFFE_PN1P_ ff2 (.C(C), .R(R), .E(E), .D(D), .Q(Q[2])); +$_DFFE_NP1P_ ff3 (.C(C), .R(R), .E(E), .D(D), .Q(Q[3])); +endmodule + +module top(input C, E, R, D, output [13:0] Q); +adff0 adff0_(.C(C), .R(R), .D(D), .Q(Q[2:0])); +adff1 adff1_(.C(C), .R(R), .D(D), .Q(Q[5:3])); +adffe0 adffe0_(.C(C), .R(R), .E(E), .D(D), .Q(Q[9:6])); +adffe1 adffe1_(.C(C), .R(R), .E(E), .D(D), .Q(Q[13:10])); +endmodule + +EOT + +design -save orig +flatten +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFF_PP0_ x +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP0P_ x +#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ x +#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ x + + +# Convert everything to ADFFs. + +design -load orig +dfflegalize -cell $_DFF_PP0_ x + +select -assert-count 2 adff0/t:$_NOT_ +select -assert-count 8 adff1/t:$_NOT_ +select -assert-count 2 adffe0/t:$_NOT_ +select -assert-count 10 adffe1/t:$_NOT_ +select -assert-count 0 adff0/t:$_MUX_ +select -assert-count 0 adff1/t:$_MUX_ +select -assert-count 4 adffe0/t:$_MUX_ +select -assert-count 4 adffe1/t:$_MUX_ +select -assert-count 14 t:$_DFF_PP0_ +select -assert-none t:$_DFF_PP0_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + + +# Convert everything to ADFFEs. + +design -load orig +dfflegalize -cell $_DFFE_PP0P_ x + +select -assert-count 2 adff0/t:$_NOT_ +select -assert-count 8 adff1/t:$_NOT_ +select -assert-count 3 adffe0/t:$_NOT_ +select -assert-count 11 adffe1/t:$_NOT_ +select -assert-count 14 t:$_DFFE_PP0P_ +select -assert-none t:$_DFFE_PP0P_ t:$_NOT_ top/* %% %n t:* %i + + +# Convert everything to DFFSRs. + +design -load orig +dfflegalize -cell $_DFFSR_PPP_ x + +select -assert-count 2 adff0/t:$_NOT_ +select -assert-count 2 adff1/t:$_NOT_ +select -assert-count 2 adffe0/t:$_NOT_ +select -assert-count 2 adffe1/t:$_NOT_ +select -assert-count 0 adff0/t:$_MUX_ +select -assert-count 0 adff1/t:$_MUX_ +select -assert-count 4 adffe0/t:$_MUX_ +select -assert-count 4 adffe1/t:$_MUX_ +select -assert-count 14 t:$_DFFSR_PPP_ +select -assert-none t:$_DFFSR_PPP_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + + +# Convert everything to DFFSREs. + +design -load orig +dfflegalize -cell $_DFFSRE_PPPP_ x + +select -assert-count 2 adff0/t:$_NOT_ +select -assert-count 2 adff1/t:$_NOT_ +select -assert-count 3 adffe0/t:$_NOT_ +select -assert-count 3 adffe1/t:$_NOT_ +select -assert-count 14 t:$_DFFSRE_PPPP_ +select -assert-none t:$_DFFSRE_PPPP_ t:$_NOT_ top/* %% %n t:* %i diff --git a/tests/techmap/dfflegalize_adff_init.ys b/tests/techmap/dfflegalize_adff_init.ys new file mode 100644 index 000000000..92f249815 --- /dev/null +++ b/tests/techmap/dfflegalize_adff_init.ys @@ -0,0 +1,279 @@ +read_verilog -icells <<EOT + +module adff0(input C, R, D, (* init = 3'b000 *) output [2:0] Q); +$_DFF_PP0_ ff0 (.C(C), .R(R), .D(D), .Q(Q[0])); +$_DFF_PN0_ ff1 (.C(C), .R(R), .D(D), .Q(Q[1])); +$_DFF_NP0_ ff2 (.C(C), .R(R), .D(D), .Q(Q[2])); +endmodule + +module adff1(input C, R, D, (* init = 3'b000 *) output [2:0] Q); +$_DFF_PP1_ ff0 (.C(C), .R(R), .D(D), .Q(Q[0])); +$_DFF_PN1_ ff1 (.C(C), .R(R), .D(D), .Q(Q[1])); +$_DFF_NP1_ ff2 (.C(C), .R(R), .D(D), .Q(Q[2])); +endmodule + +module adffe0(input C, E, R, D, (* init = 4'b0000 *) output [3:0] Q); +$_DFFE_PP0P_ ff0 (.C(C), .R(R), .E(E), .D(D), .Q(Q[0])); +$_DFFE_PP0N_ ff1 (.C(C), .R(R), .E(E), .D(D), .Q(Q[1])); +$_DFFE_PN0P_ ff2 (.C(C), .R(R), .E(E), .D(D), .Q(Q[2])); +$_DFFE_NP0P_ ff3 (.C(C), .R(R), .E(E), .D(D), .Q(Q[3])); +endmodule + +module adffe1(input C, E, R, D, (* init = 4'b0000 *) output [3:0] Q); +$_DFFE_PP1P_ ff0 (.C(C), .R(R), .E(E), .D(D), .Q(Q[0])); +$_DFFE_PP1N_ ff1 (.C(C), .R(R), .E(E), .D(D), .Q(Q[1])); +$_DFFE_PN1P_ ff2 (.C(C), .R(R), .E(E), .D(D), .Q(Q[2])); +$_DFFE_NP1P_ ff3 (.C(C), .R(R), .E(E), .D(D), .Q(Q[3])); +endmodule + +module top(input C, E, R, D, output [13:0] Q); +adff0 adff0_(.C(C), .R(R), .D(D), .Q(Q[2:0])); +adff1 adff1_(.C(C), .R(R), .D(D), .Q(Q[5:3])); +adffe0 adffe0_(.C(C), .R(R), .E(E), .D(D), .Q(Q[9:6])); +adffe1 adffe1_(.C(C), .R(R), .E(E), .D(D), .Q(Q[13:10])); +endmodule + +EOT + +design -save orig +flatten +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFF_PP0_ 0 -cell $_DLATCH_P_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFF_PP0_ 1 -cell $_DLATCH_P_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFF_PP1_ 0 -cell $_DLATCH_P_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFF_PP1_ 1 -cell $_DLATCH_P_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP0P_ 0 -cell $_DLATCH_P_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP0P_ 1 -cell $_DLATCH_P_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP1P_ 0 -cell $_DLATCH_P_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP1P_ 1 -cell $_DLATCH_P_ 1 +#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ 0 +#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ 1 +#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ 0 +#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ 1 + + +# Convert everything to ADFFs. + +design -load orig +dfflegalize -cell $_DFF_PP0_ 0 -cell $_DLATCH_P_ 0 + +select -assert-count 2 adff0/t:$_NOT_ +select -assert-count 10 adff1/t:$_NOT_ +select -assert-count 2 adffe0/t:$_NOT_ +select -assert-count 12 adffe1/t:$_NOT_ +select -assert-count 0 adff0/t:$_MUX_ +select -assert-count 3 adff1/t:$_MUX_ +select -assert-count 4 adffe0/t:$_MUX_ +select -assert-count 8 adffe1/t:$_MUX_ +select -assert-count 3 adff0/t:$_DFF_PP0_ +select -assert-count 6 adff1/t:$_DFF_PP0_ +select -assert-count 4 adffe0/t:$_DFF_PP0_ +select -assert-count 8 adffe1/t:$_DFF_PP0_ +select -assert-count 0 adff0/t:$_DLATCH_P_ +select -assert-count 3 adff1/t:$_DLATCH_P_ +select -assert-count 0 adffe0/t:$_DLATCH_P_ +select -assert-count 4 adffe1/t:$_DLATCH_P_ +select -assert-none t:$_DFF_PP0_ t:$_DLATCH_P_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFF_PP0_ 1 -cell $_DLATCH_P_ 0 + +select -assert-count 10 adff0/t:$_NOT_ +select -assert-count 8 adff1/t:$_NOT_ +select -assert-count 12 adffe0/t:$_NOT_ +select -assert-count 10 adffe1/t:$_NOT_ +select -assert-count 3 adff0/t:$_MUX_ +select -assert-count 0 adff1/t:$_MUX_ +select -assert-count 8 adffe0/t:$_MUX_ +select -assert-count 4 adffe1/t:$_MUX_ +select -assert-count 6 adff0/t:$_DFF_PP0_ +select -assert-count 3 adff1/t:$_DFF_PP0_ +select -assert-count 8 adffe0/t:$_DFF_PP0_ +select -assert-count 4 adffe1/t:$_DFF_PP0_ +select -assert-count 3 adff0/t:$_DLATCH_P_ +select -assert-count 0 adff1/t:$_DLATCH_P_ +select -assert-count 4 adffe0/t:$_DLATCH_P_ +select -assert-count 0 adffe1/t:$_DLATCH_P_ +select -assert-none t:$_DFF_PP0_ t:$_DLATCH_P_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFF_PP1_ 0 -cell $_DLATCH_P_ 0 + +select -assert-count 10 adff0/t:$_NOT_ +select -assert-count 2 adff1/t:$_NOT_ +select -assert-count 12 adffe0/t:$_NOT_ +select -assert-count 2 adffe1/t:$_NOT_ +select -assert-count 3 adff0/t:$_MUX_ +select -assert-count 0 adff1/t:$_MUX_ +select -assert-count 8 adffe0/t:$_MUX_ +select -assert-count 4 adffe1/t:$_MUX_ +select -assert-count 6 adff0/t:$_DFF_PP1_ +select -assert-count 3 adff1/t:$_DFF_PP1_ +select -assert-count 8 adffe0/t:$_DFF_PP1_ +select -assert-count 4 adffe1/t:$_DFF_PP1_ +select -assert-count 3 adff0/t:$_DLATCH_P_ +select -assert-count 0 adff1/t:$_DLATCH_P_ +select -assert-count 4 adffe0/t:$_DLATCH_P_ +select -assert-count 0 adffe1/t:$_DLATCH_P_ +select -assert-none t:$_DFF_PP1_ t:$_DLATCH_P_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFF_PP1_ 1 -cell $_DLATCH_P_ 0 + +select -assert-count 8 adff0/t:$_NOT_ +select -assert-count 10 adff1/t:$_NOT_ +select -assert-count 10 adffe0/t:$_NOT_ +select -assert-count 12 adffe1/t:$_NOT_ +select -assert-count 0 adff0/t:$_MUX_ +select -assert-count 3 adff1/t:$_MUX_ +select -assert-count 4 adffe0/t:$_MUX_ +select -assert-count 8 adffe1/t:$_MUX_ +select -assert-count 3 adff0/t:$_DFF_PP1_ +select -assert-count 6 adff1/t:$_DFF_PP1_ +select -assert-count 4 adffe0/t:$_DFF_PP1_ +select -assert-count 8 adffe1/t:$_DFF_PP1_ +select -assert-count 0 adff0/t:$_DLATCH_P_ +select -assert-count 3 adff1/t:$_DLATCH_P_ +select -assert-count 0 adffe0/t:$_DLATCH_P_ +select -assert-count 4 adffe1/t:$_DLATCH_P_ +select -assert-none t:$_DFF_PP1_ t:$_DLATCH_P_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + + +# Convert everything to ADFFEs. + +design -load orig +dfflegalize -cell $_DFFE_PP0P_ 0 -cell $_DLATCH_P_ 1 + +select -assert-count 2 adff0/t:$_NOT_ +select -assert-count 16 adff1/t:$_NOT_ +select -assert-count 3 adffe0/t:$_NOT_ +select -assert-count 22 adffe1/t:$_NOT_ +select -assert-count 0 adff0/t:$_MUX_ +select -assert-count 3 adff1/t:$_MUX_ +select -assert-count 0 adffe0/t:$_MUX_ +select -assert-count 4 adffe1/t:$_MUX_ +select -assert-count 3 adff0/t:$_DFFE_PP0P_ +select -assert-count 6 adff1/t:$_DFFE_PP0P_ +select -assert-count 4 adffe0/t:$_DFFE_PP0P_ +select -assert-count 8 adffe1/t:$_DFFE_PP0P_ +select -assert-count 0 adff0/t:$_DLATCH_P_ +select -assert-count 3 adff1/t:$_DLATCH_P_ +select -assert-count 0 adffe0/t:$_DLATCH_P_ +select -assert-count 4 adffe1/t:$_DLATCH_P_ +select -assert-none t:$_DFFE_PP0P_ t:$_DLATCH_P_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFFE_PP0P_ 1 -cell $_DLATCH_P_ 1 + +select -assert-count 16 adff0/t:$_NOT_ +select -assert-count 8 adff1/t:$_NOT_ +select -assert-count 22 adffe0/t:$_NOT_ +select -assert-count 11 adffe1/t:$_NOT_ +select -assert-count 3 adff0/t:$_MUX_ +select -assert-count 0 adff1/t:$_MUX_ +select -assert-count 4 adffe0/t:$_MUX_ +select -assert-count 0 adffe1/t:$_MUX_ +select -assert-count 6 adff0/t:$_DFFE_PP0P_ +select -assert-count 3 adff1/t:$_DFFE_PP0P_ +select -assert-count 8 adffe0/t:$_DFFE_PP0P_ +select -assert-count 4 adffe1/t:$_DFFE_PP0P_ +select -assert-count 3 adff0/t:$_DLATCH_P_ +select -assert-count 0 adff1/t:$_DLATCH_P_ +select -assert-count 4 adffe0/t:$_DLATCH_P_ +select -assert-count 0 adffe1/t:$_DLATCH_P_ +select -assert-none t:$_DFFE_PP0P_ t:$_DLATCH_P_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFFE_PP1P_ 0 -cell $_DLATCH_P_ 1 + +select -assert-count 16 adff0/t:$_NOT_ +select -assert-count 2 adff1/t:$_NOT_ +select -assert-count 22 adffe0/t:$_NOT_ +select -assert-count 3 adffe1/t:$_NOT_ +select -assert-count 3 adff0/t:$_MUX_ +select -assert-count 0 adff1/t:$_MUX_ +select -assert-count 4 adffe0/t:$_MUX_ +select -assert-count 0 adffe1/t:$_MUX_ +select -assert-count 6 adff0/t:$_DFFE_PP1P_ +select -assert-count 3 adff1/t:$_DFFE_PP1P_ +select -assert-count 8 adffe0/t:$_DFFE_PP1P_ +select -assert-count 4 adffe1/t:$_DFFE_PP1P_ +select -assert-count 3 adff0/t:$_DLATCH_P_ +select -assert-count 0 adff1/t:$_DLATCH_P_ +select -assert-count 4 adffe0/t:$_DLATCH_P_ +select -assert-count 0 adffe1/t:$_DLATCH_P_ +select -assert-none t:$_DFFE_PP1P_ t:$_DLATCH_P_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFFE_PP1P_ 1 -cell $_DLATCH_P_ 1 + +select -assert-count 8 adff0/t:$_NOT_ +select -assert-count 16 adff1/t:$_NOT_ +select -assert-count 11 adffe0/t:$_NOT_ +select -assert-count 22 adffe1/t:$_NOT_ +select -assert-count 0 adff0/t:$_MUX_ +select -assert-count 3 adff1/t:$_MUX_ +select -assert-count 0 adffe0/t:$_MUX_ +select -assert-count 4 adffe1/t:$_MUX_ +select -assert-count 3 adff0/t:$_DFFE_PP1P_ +select -assert-count 6 adff1/t:$_DFFE_PP1P_ +select -assert-count 4 adffe0/t:$_DFFE_PP1P_ +select -assert-count 8 adffe1/t:$_DFFE_PP1P_ +select -assert-count 0 adff0/t:$_DLATCH_P_ +select -assert-count 3 adff1/t:$_DLATCH_P_ +select -assert-count 0 adffe0/t:$_DLATCH_P_ +select -assert-count 4 adffe1/t:$_DLATCH_P_ +select -assert-none t:$_DFFE_PP1P_ t:$_DLATCH_P_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + + +# Convert everything to DFFSRs. + +design -load orig +dfflegalize -cell $_DFFSR_PPP_ 0 + +select -assert-count 2 adff0/t:$_NOT_ +select -assert-count 2 adff1/t:$_NOT_ +select -assert-count 2 adffe0/t:$_NOT_ +select -assert-count 2 adffe1/t:$_NOT_ +select -assert-count 0 adff0/t:$_MUX_ +select -assert-count 0 adff1/t:$_MUX_ +select -assert-count 4 adffe0/t:$_MUX_ +select -assert-count 4 adffe1/t:$_MUX_ +select -assert-count 14 t:$_DFFSR_PPP_ +select -assert-none t:$_DFFSR_PPP_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFFSR_PPP_ 1 + +select -assert-count 8 adff0/t:$_NOT_ +select -assert-count 8 adff1/t:$_NOT_ +select -assert-count 10 adffe0/t:$_NOT_ +select -assert-count 10 adffe1/t:$_NOT_ +select -assert-count 0 adff0/t:$_MUX_ +select -assert-count 0 adff1/t:$_MUX_ +select -assert-count 4 adffe0/t:$_MUX_ +select -assert-count 4 adffe1/t:$_MUX_ +select -assert-count 14 t:$_DFFSR_PPP_ +select -assert-none t:$_DFFSR_PPP_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + + +# Convert everything to DFFSREs. + +design -load orig +dfflegalize -cell $_DFFSRE_PPPP_ 0 + +select -assert-count 2 adff0/t:$_NOT_ +select -assert-count 2 adff1/t:$_NOT_ +select -assert-count 3 adffe0/t:$_NOT_ +select -assert-count 3 adffe1/t:$_NOT_ +select -assert-count 14 t:$_DFFSRE_PPPP_ +select -assert-none t:$_DFFSRE_PPPP_ t:$_NOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFFSRE_PPPP_ 1 + +select -assert-count 8 adff0/t:$_NOT_ +select -assert-count 8 adff1/t:$_NOT_ +select -assert-count 11 adffe0/t:$_NOT_ +select -assert-count 11 adffe1/t:$_NOT_ +select -assert-count 14 t:$_DFFSRE_PPPP_ +select -assert-none t:$_DFFSRE_PPPP_ t:$_NOT_ top/* %% %n t:* %i diff --git a/tests/techmap/dfflegalize_adlatch.ys b/tests/techmap/dfflegalize_adlatch.ys new file mode 100644 index 000000000..dee17e40c --- /dev/null +++ b/tests/techmap/dfflegalize_adlatch.ys @@ -0,0 +1,51 @@ +read_verilog -icells <<EOT + +module adlatch0(input E, R, D, output [2:0] Q); +$_DLATCH_PP0_ ff0 (.E(E), .R(R), .D(D), .Q(Q[0])); +$_DLATCH_PN0_ ff1 (.E(E), .R(R), .D(D), .Q(Q[1])); +$_DLATCH_NP0_ ff2 (.E(E), .R(R), .D(D), .Q(Q[2])); +endmodule + +module adlatch1(input E, R, D, output [2:0] Q); +$_DLATCH_PP1_ ff0 (.E(E), .R(R), .D(D), .Q(Q[0])); +$_DLATCH_PN1_ ff1 (.E(E), .R(R), .D(D), .Q(Q[1])); +$_DLATCH_NP1_ ff2 (.E(E), .R(R), .D(D), .Q(Q[2])); +endmodule + +module top(input C, E, R, D, output [13:0] Q); +adlatch0 adlatch0_(.E(E), .R(R), .D(D), .Q(Q[2:0])); +adlatch1 adlatch1_(.E(E), .R(R), .D(D), .Q(Q[5:3])); +endmodule + +EOT + +design -save orig +flatten +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP0_ x +#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ x + + +# Convert everything to ADLATCHs. + +design -load orig +dfflegalize -cell $_DLATCH_PP0_ x + +select -assert-count 2 adlatch0/t:$_NOT_ +select -assert-count 8 adlatch1/t:$_NOT_ +select -assert-count 0 adlatch0/t:$_MUX_ +select -assert-count 0 adlatch1/t:$_MUX_ +select -assert-count 6 t:$_DLATCH_PP0_ +select -assert-none t:$_DLATCH_PP0_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + + +# Convert everything to DLATCHSRs. + +design -load orig +dfflegalize -cell $_DLATCHSR_PPP_ x + +select -assert-count 2 adlatch0/t:$_NOT_ +select -assert-count 2 adlatch1/t:$_NOT_ +select -assert-count 0 adlatch0/t:$_MUX_ +select -assert-count 0 adlatch1/t:$_MUX_ +select -assert-count 6 t:$_DLATCHSR_PPP_ +select -assert-none t:$_DLATCHSR_PPP_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i diff --git a/tests/techmap/dfflegalize_adlatch_init.ys b/tests/techmap/dfflegalize_adlatch_init.ys new file mode 100644 index 000000000..c221bbe0e --- /dev/null +++ b/tests/techmap/dfflegalize_adlatch_init.ys @@ -0,0 +1,99 @@ +read_verilog -icells <<EOT + +module adlatch0(input E, R, D, (* init = 3'b000 *) output [2:0] Q); +$_DLATCH_PP0_ ff0 (.E(E), .R(R), .D(D), .Q(Q[0])); +$_DLATCH_PN0_ ff1 (.E(E), .R(R), .D(D), .Q(Q[1])); +$_DLATCH_NP0_ ff2 (.E(E), .R(R), .D(D), .Q(Q[2])); +endmodule + +module adlatch1(input E, R, D, (* init = 3'b000 *) output [2:0] Q); +$_DLATCH_PP1_ ff0 (.E(E), .R(R), .D(D), .Q(Q[0])); +$_DLATCH_PN1_ ff1 (.E(E), .R(R), .D(D), .Q(Q[1])); +$_DLATCH_NP1_ ff2 (.E(E), .R(R), .D(D), .Q(Q[2])); +endmodule + +module top(input C, E, R, D, output [13:0] Q); +adlatch0 adlatch0_(.E(E), .R(R), .D(D), .Q(Q[2:0])); +adlatch1 adlatch1_(.E(E), .R(R), .D(D), .Q(Q[5:3])); +endmodule + +EOT + +design -save orig +flatten +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP0_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP0_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP1_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP1_ 1 +#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ 0 +#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ 1 + + +# Convert everything to ADLATCHs. + +design -load orig +dfflegalize -cell $_DLATCH_PP0_ 0 + +select -assert-count 2 adlatch0/t:$_NOT_ +select -assert-count 10 adlatch1/t:$_NOT_ +select -assert-count 0 adlatch0/t:$_MUX_ +select -assert-count 3 adlatch1/t:$_MUX_ +select -assert-count 3 adlatch0/t:$_DLATCH_PP0_ +select -assert-count 9 adlatch1/t:$_DLATCH_PP0_ +select -assert-none t:$_DLATCH_PP0_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DLATCH_PP0_ 1 + +select -assert-count 16 adlatch0/t:$_NOT_ +select -assert-count 8 adlatch1/t:$_NOT_ +select -assert-count 3 adlatch0/t:$_MUX_ +select -assert-count 0 adlatch1/t:$_MUX_ +select -assert-count 9 adlatch0/t:$_DLATCH_PP0_ +select -assert-count 3 adlatch1/t:$_DLATCH_PP0_ +select -assert-none t:$_DLATCH_PP0_ t:$_DLATCH_P_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DLATCH_PP1_ 0 + +select -assert-count 10 adlatch0/t:$_NOT_ +select -assert-count 2 adlatch1/t:$_NOT_ +select -assert-count 3 adlatch0/t:$_MUX_ +select -assert-count 0 adlatch1/t:$_MUX_ +select -assert-count 9 adlatch0/t:$_DLATCH_PP1_ +select -assert-count 3 adlatch1/t:$_DLATCH_PP1_ +select -assert-none t:$_DLATCH_PP1_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DLATCH_PP1_ 1 + +select -assert-count 8 adlatch0/t:$_NOT_ +select -assert-count 16 adlatch1/t:$_NOT_ +select -assert-count 0 adlatch0/t:$_MUX_ +select -assert-count 3 adlatch1/t:$_MUX_ +select -assert-count 3 adlatch0/t:$_DLATCH_PP1_ +select -assert-count 9 adlatch1/t:$_DLATCH_PP1_ +select -assert-none t:$_DLATCH_PP1_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + + +# Convert everything to DLATCHSRs. + +design -load orig +dfflegalize -cell $_DLATCHSR_PPP_ 0 + +select -assert-count 2 adlatch0/t:$_NOT_ +select -assert-count 2 adlatch1/t:$_NOT_ +select -assert-count 0 adlatch0/t:$_MUX_ +select -assert-count 0 adlatch1/t:$_MUX_ +select -assert-count 6 t:$_DLATCHSR_PPP_ +select -assert-none t:$_DLATCHSR_PPP_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DLATCHSR_PPP_ 1 + +select -assert-count 8 adlatch0/t:$_NOT_ +select -assert-count 8 adlatch1/t:$_NOT_ +select -assert-count 0 adlatch0/t:$_MUX_ +select -assert-count 0 adlatch1/t:$_MUX_ +select -assert-count 6 t:$_DLATCHSR_PPP_ +select -assert-none t:$_DLATCHSR_PPP_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i diff --git a/tests/techmap/dfflegalize_dff.ys b/tests/techmap/dfflegalize_dff.ys new file mode 100644 index 000000000..d71f4204e --- /dev/null +++ b/tests/techmap/dfflegalize_dff.ys @@ -0,0 +1,306 @@ +read_verilog -icells <<EOT + +module dff(input C, D, output [1:0] Q); +$_DFF_P_ ff0 (.C(C), .D(D), .Q(Q[0])); +$_DFF_N_ ff1 (.C(C), .D(D), .Q(Q[1])); +endmodule + +module dffe(input C, E, D, output [2:0] Q); +$_DFFE_PP_ ff0 (.C(C), .E(E), .D(D), .Q(Q[0])); +$_DFFE_PN_ ff1 (.C(C), .E(E), .D(D), .Q(Q[1])); +$_DFFE_NP_ ff2 (.C(C), .E(E), .D(D), .Q(Q[2])); +endmodule + +module sdff0(input C, R, D, output [2:0] Q); +$_SDFF_PP0_ ff0 (.C(C), .R(R), .D(D), .Q(Q[0])); +$_SDFF_PN0_ ff1 (.C(C), .R(R), .D(D), .Q(Q[1])); +$_SDFF_NP0_ ff2 (.C(C), .R(R), .D(D), .Q(Q[2])); +endmodule + +module sdff1(input C, R, D, output [2:0] Q); +$_SDFF_PP1_ ff0 (.C(C), .R(R), .D(D), .Q(Q[0])); +$_SDFF_PN1_ ff1 (.C(C), .R(R), .D(D), .Q(Q[1])); +$_SDFF_NP1_ ff2 (.C(C), .R(R), .D(D), .Q(Q[2])); +endmodule + +module sdffe0(input C, E, R, D, output [3:0] Q); +$_SDFFE_PP0P_ ff0 (.C(C), .R(R), .E(E), .D(D), .Q(Q[0])); +$_SDFFE_PP0N_ ff1 (.C(C), .R(R), .E(E), .D(D), .Q(Q[1])); +$_SDFFE_PN0P_ ff2 (.C(C), .R(R), .E(E), .D(D), .Q(Q[2])); +$_SDFFE_NP0P_ ff3 (.C(C), .R(R), .E(E), .D(D), .Q(Q[3])); +endmodule + +module sdffe1(input C, E, R, D, output [3:0] Q); +$_SDFFE_PP1P_ ff0 (.C(C), .R(R), .E(E), .D(D), .Q(Q[0])); +$_SDFFE_PP1N_ ff1 (.C(C), .R(R), .E(E), .D(D), .Q(Q[1])); +$_SDFFE_PN1P_ ff2 (.C(C), .R(R), .E(E), .D(D), .Q(Q[2])); +$_SDFFE_NP1P_ ff3 (.C(C), .R(R), .E(E), .D(D), .Q(Q[3])); +endmodule + +module sdffce0(input C, E, R, D, output [3:0] Q); +$_SDFFCE_PP0P_ ff0 (.C(C), .R(R), .E(E), .D(D), .Q(Q[0])); +$_SDFFCE_PP0N_ ff1 (.C(C), .R(R), .E(E), .D(D), .Q(Q[1])); +$_SDFFCE_PN0P_ ff2 (.C(C), .R(R), .E(E), .D(D), .Q(Q[2])); +$_SDFFCE_NP0P_ ff3 (.C(C), .R(R), .E(E), .D(D), .Q(Q[3])); +endmodule + +module sdffce1(input C, E, R, D, output [3:0] Q); +$_SDFFCE_PP1P_ ff0 (.C(C), .R(R), .E(E), .D(D), .Q(Q[0])); +$_SDFFCE_PP1N_ ff1 (.C(C), .R(R), .E(E), .D(D), .Q(Q[1])); +$_SDFFCE_PN1P_ ff2 (.C(C), .R(R), .E(E), .D(D), .Q(Q[2])); +$_SDFFCE_NP1P_ ff3 (.C(C), .R(R), .E(E), .D(D), .Q(Q[3])); +endmodule + +module top(input C, E, R, D, output [26:0] Q); +dff dff_(.C(C), .D(D), .Q(Q[1:0])); +dffe dffe_(.C(C), .E(E), .D(D), .Q(Q[4:2])); +sdff0 sdff0_(.C(C), .R(R), .D(D), .Q(Q[7:5])); +sdff1 sdff1_(.C(C), .R(R), .D(D), .Q(Q[10:8])); +sdffe0 sdffe0_(.C(C), .R(R), .E(E), .D(D), .Q(Q[14:11])); +sdffe1 sdffe1_(.C(C), .R(R), .E(E), .D(D), .Q(Q[18:15])); +sdffce0 sdffce0_(.C(C), .R(R), .E(E), .D(D), .Q(Q[22:19])); +sdffce1 sdffce1_(.C(C), .R(R), .E(E), .D(D), .Q(Q[26:23])); +endmodule + +EOT + +design -save orig +flatten +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFF_P_ x +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP_ x +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFF_PP0_ x +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP0P_ x +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ x +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ x +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SDFF_PP0_ x +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SDFFE_PP0P_ x +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SDFFCE_PP0P_ x + +# Convert everything to DFFs. + +design -load orig +dfflegalize -cell $_DFF_P_ x + +select -assert-count 1 dff/t:$_NOT_ +select -assert-count 1 dffe/t:$_NOT_ +select -assert-count 1 sdff0/t:$_NOT_ +select -assert-count 1 sdff1/t:$_NOT_ +select -assert-count 1 sdffe0/t:$_NOT_ +select -assert-count 1 sdffe1/t:$_NOT_ +select -assert-count 1 sdffce0/t:$_NOT_ +select -assert-count 1 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 3 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 8 sdffce0/t:$_MUX_ +select -assert-count 8 sdffce1/t:$_MUX_ +select -assert-count 27 t:$_DFF_P_ +select -assert-none t:$_DFF_P_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + + +# Convert everything to DFFEs. + +design -load orig +dfflegalize -cell $_DFFE_PP_ x + +select -assert-count 1 dff/t:$_NOT_ +select -assert-count 2 dffe/t:$_NOT_ +select -assert-count 1 sdff0/t:$_NOT_ +select -assert-count 1 sdff1/t:$_NOT_ +select -assert-count 1 sdffe0/t:$_NOT_ +select -assert-count 1 sdffe1/t:$_NOT_ +select -assert-count 2 sdffce0/t:$_NOT_ +select -assert-count 2 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 0 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 4 sdffce0/t:$_MUX_ +select -assert-count 4 sdffce1/t:$_MUX_ +select -assert-count 27 t:$_DFFE_PP_ +select -assert-none t:$_DFFE_PP_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + + +# Convert everything to ADFFs. + +design -load orig +dfflegalize -cell $_DFF_PP0_ x + +select -assert-count 1 dff/t:$_NOT_ +select -assert-count 1 dffe/t:$_NOT_ +select -assert-count 1 sdff0/t:$_NOT_ +select -assert-count 1 sdff1/t:$_NOT_ +select -assert-count 1 sdffe0/t:$_NOT_ +select -assert-count 1 sdffe1/t:$_NOT_ +select -assert-count 1 sdffce0/t:$_NOT_ +select -assert-count 1 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 3 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 8 sdffce0/t:$_MUX_ +select -assert-count 8 sdffce1/t:$_MUX_ +select -assert-count 27 t:$_DFF_PP0_ +select -assert-none t:$_DFF_PP0_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + + +# Convert everything to ADFFEs. + +design -load orig +dfflegalize -cell $_DFFE_PP0P_ x + +select -assert-count 1 dff/t:$_NOT_ +select -assert-count 2 dffe/t:$_NOT_ +select -assert-count 1 sdff0/t:$_NOT_ +select -assert-count 1 sdff1/t:$_NOT_ +select -assert-count 1 sdffe0/t:$_NOT_ +select -assert-count 1 sdffe1/t:$_NOT_ +select -assert-count 2 sdffce0/t:$_NOT_ +select -assert-count 2 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 0 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 4 sdffce0/t:$_MUX_ +select -assert-count 4 sdffce1/t:$_MUX_ +select -assert-count 27 t:$_DFFE_PP0P_ +select -assert-none t:$_DFFE_PP0P_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + + +# Convert everything to DFFSRs. + +design -load orig +dfflegalize -cell $_DFFSR_PPP_ x + +select -assert-count 1 dff/t:$_NOT_ +select -assert-count 1 dffe/t:$_NOT_ +select -assert-count 1 sdff0/t:$_NOT_ +select -assert-count 1 sdff1/t:$_NOT_ +select -assert-count 1 sdffe0/t:$_NOT_ +select -assert-count 1 sdffe1/t:$_NOT_ +select -assert-count 1 sdffce0/t:$_NOT_ +select -assert-count 1 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 3 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 8 sdffce0/t:$_MUX_ +select -assert-count 8 sdffce1/t:$_MUX_ +select -assert-count 27 t:$_DFFSR_PPP_ +select -assert-none t:$_DFFSR_PPP_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + + +# Convert everything to DFFSREs. + +design -load orig +dfflegalize -cell $_DFFSRE_PPPP_ x + +select -assert-count 1 dff/t:$_NOT_ +select -assert-count 2 dffe/t:$_NOT_ +select -assert-count 1 sdff0/t:$_NOT_ +select -assert-count 1 sdff1/t:$_NOT_ +select -assert-count 1 sdffe0/t:$_NOT_ +select -assert-count 1 sdffe1/t:$_NOT_ +select -assert-count 2 sdffce0/t:$_NOT_ +select -assert-count 2 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 0 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 4 sdffce0/t:$_MUX_ +select -assert-count 4 sdffce1/t:$_MUX_ +select -assert-count 27 t:$_DFFSRE_PPPP_ +select -assert-none t:$_DFFSRE_PPPP_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + + +# Convert everything to SDFFs. + +design -load orig +dfflegalize -cell $_SDFF_PP0_ x + +select -assert-count 1 dff/t:$_NOT_ +select -assert-count 1 dffe/t:$_NOT_ +select -assert-count 2 sdff0/t:$_NOT_ +select -assert-count 8 sdff1/t:$_NOT_ +select -assert-count 2 sdffe0/t:$_NOT_ +select -assert-count 10 sdffe1/t:$_NOT_ +select -assert-count 2 sdffce0/t:$_NOT_ +select -assert-count 10 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 3 dffe/t:$_MUX_ +select -assert-count 0 sdff0/t:$_MUX_ +select -assert-count 0 sdff1/t:$_MUX_ +select -assert-count 4 sdffe0/t:$_MUX_ +select -assert-count 4 sdffe1/t:$_MUX_ +select -assert-count 4 sdffce0/t:$_MUX_ +select -assert-count 4 sdffce1/t:$_MUX_ +select -assert-count 0 t:$_AND_ t:$_ORNOT_ t:$_ANDNOT_ %% sdffce0/* sdffce1/* %u %n %i +select -assert-count 2 sdffce0/t:$_AND_ +select -assert-count 2 sdffce1/t:$_AND_ +select -assert-count 1 sdffce0/t:$_ORNOT_ +select -assert-count 1 sdffce1/t:$_ORNOT_ +select -assert-count 1 sdffce0/t:$_ANDNOT_ +select -assert-count 1 sdffce1/t:$_ANDNOT_ +select -assert-count 27 t:$_SDFF_PP0_ +select -assert-none t:$_SDFF_PP0_ t:$_MUX_ t:$_NOT_ t:$_AND_ t:$_ORNOT_ t:$_ANDNOT_ top/* %% %n t:* %i + + +# Convert everything to SDFFEs. + +design -load orig +dfflegalize -cell $_SDFFE_PP0P_ x + +select -assert-count 1 dff/t:$_NOT_ +select -assert-count 2 dffe/t:$_NOT_ +select -assert-count 2 sdff0/t:$_NOT_ +select -assert-count 8 sdff1/t:$_NOT_ +select -assert-count 3 sdffe0/t:$_NOT_ +select -assert-count 11 sdffe1/t:$_NOT_ +select -assert-count 3 sdffce0/t:$_NOT_ +select -assert-count 11 sdffce1/t:$_NOT_ +select -assert-count 0 t:$_AND_ t:$_ORNOT_ t:$_ANDNOT_ %% sdffce0/* sdffce1/* %u %n %i +select -assert-count 2 sdffce0/t:$_AND_ +select -assert-count 2 sdffce1/t:$_AND_ +select -assert-count 1 sdffce0/t:$_ORNOT_ +select -assert-count 1 sdffce1/t:$_ORNOT_ +select -assert-count 1 sdffce0/t:$_ANDNOT_ +select -assert-count 1 sdffce1/t:$_ANDNOT_ +select -assert-count 27 t:$_SDFFE_PP0P_ +select -assert-none t:$_SDFFE_PP0P_ t:$_NOT_ t:$_AND_ t:$_ORNOT_ t:$_ANDNOT_ top/* %% %n t:* %i + + +# Convert everything to SDFFCEs. + +design -load orig +dfflegalize -cell $_SDFFCE_PP0P_ x + +select -assert-count 1 dff/t:$_NOT_ +select -assert-count 2 dffe/t:$_NOT_ +select -assert-count 2 sdff0/t:$_NOT_ +select -assert-count 8 sdff1/t:$_NOT_ +select -assert-count 3 sdffe0/t:$_NOT_ +select -assert-count 11 sdffe1/t:$_NOT_ +select -assert-count 3 sdffce0/t:$_NOT_ +select -assert-count 11 sdffce1/t:$_NOT_ +select -assert-count 0 t:$_OR_ t:$_ORNOT_ t:$_ANDNOT_ %% sdffe0/* sdffe1/* %u %n %i +select -assert-count 2 sdffe0/t:$_OR_ +select -assert-count 2 sdffe1/t:$_OR_ +select -assert-count 1 sdffe0/t:$_ORNOT_ +select -assert-count 1 sdffe1/t:$_ORNOT_ +select -assert-count 1 sdffe0/t:$_ANDNOT_ +select -assert-count 1 sdffe1/t:$_ANDNOT_ +select -assert-count 27 t:$_SDFFCE_PP0P_ +select -assert-none t:$_SDFFCE_PP0P_ t:$_NOT_ t:$_OR_ t:$_ORNOT_ t:$_ANDNOT_ top/* %% %n t:* %i diff --git a/tests/techmap/dfflegalize_dff_init.ys b/tests/techmap/dfflegalize_dff_init.ys new file mode 100644 index 000000000..84848da1f --- /dev/null +++ b/tests/techmap/dfflegalize_dff_init.ys @@ -0,0 +1,786 @@ +read_verilog -icells <<EOT + +module dff(input C, D, (* init = 2'b00 *) output [1:0] Q); +$_DFF_P_ ff0 (.C(C), .D(D), .Q(Q[0])); +$_DFF_N_ ff1 (.C(C), .D(D), .Q(Q[1])); +endmodule + +module dffe(input C, E, D, (* init = 3'b000 *) output [2:0] Q); +$_DFFE_PP_ ff0 (.C(C), .E(E), .D(D), .Q(Q[0])); +$_DFFE_PN_ ff1 (.C(C), .E(E), .D(D), .Q(Q[1])); +$_DFFE_NP_ ff2 (.C(C), .E(E), .D(D), .Q(Q[2])); +endmodule + +module sdff0(input C, R, D, (* init = 3'b000 *) output [2:0] Q); +$_SDFF_PP0_ ff0 (.C(C), .R(R), .D(D), .Q(Q[0])); +$_SDFF_PN0_ ff1 (.C(C), .R(R), .D(D), .Q(Q[1])); +$_SDFF_NP0_ ff2 (.C(C), .R(R), .D(D), .Q(Q[2])); +endmodule + +module sdff1(input C, R, D, (* init = 3'b000 *) output [2:0] Q); +$_SDFF_PP1_ ff0 (.C(C), .R(R), .D(D), .Q(Q[0])); +$_SDFF_PN1_ ff1 (.C(C), .R(R), .D(D), .Q(Q[1])); +$_SDFF_NP1_ ff2 (.C(C), .R(R), .D(D), .Q(Q[2])); +endmodule + +module sdffe0(input C, E, R, D, (* init = 4'b0000 *) output [3:0] Q); +$_SDFFE_PP0P_ ff0 (.C(C), .R(R), .E(E), .D(D), .Q(Q[0])); +$_SDFFE_PP0N_ ff1 (.C(C), .R(R), .E(E), .D(D), .Q(Q[1])); +$_SDFFE_PN0P_ ff2 (.C(C), .R(R), .E(E), .D(D), .Q(Q[2])); +$_SDFFE_NP0P_ ff3 (.C(C), .R(R), .E(E), .D(D), .Q(Q[3])); +endmodule + +module sdffe1(input C, E, R, D, (* init = 4'b0000 *) output [3:0] Q); +$_SDFFE_PP1P_ ff0 (.C(C), .R(R), .E(E), .D(D), .Q(Q[0])); +$_SDFFE_PP1N_ ff1 (.C(C), .R(R), .E(E), .D(D), .Q(Q[1])); +$_SDFFE_PN1P_ ff2 (.C(C), .R(R), .E(E), .D(D), .Q(Q[2])); +$_SDFFE_NP1P_ ff3 (.C(C), .R(R), .E(E), .D(D), .Q(Q[3])); +endmodule + +module sdffce0(input C, E, R, D, (* init = 4'b0000 *) output [3:0] Q); +$_SDFFCE_PP0P_ ff0 (.C(C), .R(R), .E(E), .D(D), .Q(Q[0])); +$_SDFFCE_PP0N_ ff1 (.C(C), .R(R), .E(E), .D(D), .Q(Q[1])); +$_SDFFCE_PN0P_ ff2 (.C(C), .R(R), .E(E), .D(D), .Q(Q[2])); +$_SDFFCE_NP0P_ ff3 (.C(C), .R(R), .E(E), .D(D), .Q(Q[3])); +endmodule + +module sdffce1(input C, E, R, D, (* init = 4'b0000 *) output [3:0] Q); +$_SDFFCE_PP1P_ ff0 (.C(C), .R(R), .E(E), .D(D), .Q(Q[0])); +$_SDFFCE_PP1N_ ff1 (.C(C), .R(R), .E(E), .D(D), .Q(Q[1])); +$_SDFFCE_PN1P_ ff2 (.C(C), .R(R), .E(E), .D(D), .Q(Q[2])); +$_SDFFCE_NP1P_ ff3 (.C(C), .R(R), .E(E), .D(D), .Q(Q[3])); +endmodule + +module top(input C, E, R, D, output [26:0] Q); +dff dff_(.C(C), .D(D), .Q(Q[1:0])); +dffe dffe_(.C(C), .E(E), .D(D), .Q(Q[4:2])); +sdff0 sdff0_(.C(C), .R(R), .D(D), .Q(Q[7:5])); +sdff1 sdff1_(.C(C), .R(R), .D(D), .Q(Q[10:8])); +sdffe0 sdffe0_(.C(C), .R(R), .E(E), .D(D), .Q(Q[14:11])); +sdffe1 sdffe1_(.C(C), .R(R), .E(E), .D(D), .Q(Q[18:15])); +sdffce0 sdffce0_(.C(C), .R(R), .E(E), .D(D), .Q(Q[22:19])); +sdffce1 sdffce1_(.C(C), .R(R), .E(E), .D(D), .Q(Q[26:23])); +endmodule + +EOT + +design -save orig +flatten +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFF_P_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFF_P_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFF_PP0_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFF_PP0_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFF_PP1_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFF_PP1_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP0P_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP0P_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP1P_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP1P_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SDFF_PP0_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SDFF_PP0_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SDFF_PP1_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SDFF_PP1_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SDFFE_PP0P_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SDFFE_PP0P_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SDFFE_PP1P_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SDFFE_PP1P_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SDFFCE_PP0P_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SDFFCE_PP0P_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SDFFCE_PP1P_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SDFFCE_PP1P_ 1 + +# Convert everything to DFFs. + +design -load orig +dfflegalize -cell $_DFF_P_ 0 + +select -assert-count 1 dff/t:$_NOT_ +select -assert-count 1 dffe/t:$_NOT_ +select -assert-count 1 sdff0/t:$_NOT_ +select -assert-count 1 sdff1/t:$_NOT_ +select -assert-count 1 sdffe0/t:$_NOT_ +select -assert-count 1 sdffe1/t:$_NOT_ +select -assert-count 1 sdffce0/t:$_NOT_ +select -assert-count 1 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 3 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 8 sdffce0/t:$_MUX_ +select -assert-count 8 sdffce1/t:$_MUX_ +select -assert-count 27 t:$_DFF_P_ +select -assert-none t:$_DFF_P_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFF_P_ 1 + +select -assert-count 5 dff/t:$_NOT_ +select -assert-count 7 dffe/t:$_NOT_ +select -assert-count 7 sdff0/t:$_NOT_ +select -assert-count 7 sdff1/t:$_NOT_ +select -assert-count 9 sdffe0/t:$_NOT_ +select -assert-count 9 sdffe1/t:$_NOT_ +select -assert-count 9 sdffce0/t:$_NOT_ +select -assert-count 9 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 3 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 8 sdffce0/t:$_MUX_ +select -assert-count 8 sdffce1/t:$_MUX_ +select -assert-count 27 t:$_DFF_P_ +select -assert-none t:$_DFF_P_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + + +# Convert everything to DFFEs. + +design -load orig +dfflegalize -cell $_DFFE_PP_ 0 + +select -assert-count 1 dff/t:$_NOT_ +select -assert-count 2 dffe/t:$_NOT_ +select -assert-count 1 sdff0/t:$_NOT_ +select -assert-count 1 sdff1/t:$_NOT_ +select -assert-count 1 sdffe0/t:$_NOT_ +select -assert-count 1 sdffe1/t:$_NOT_ +select -assert-count 2 sdffce0/t:$_NOT_ +select -assert-count 2 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 0 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 4 sdffce0/t:$_MUX_ +select -assert-count 4 sdffce1/t:$_MUX_ +select -assert-count 27 t:$_DFFE_PP_ +select -assert-none t:$_DFFE_PP_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFFE_PP_ 1 + +select -assert-count 5 dff/t:$_NOT_ +select -assert-count 8 dffe/t:$_NOT_ +select -assert-count 7 sdff0/t:$_NOT_ +select -assert-count 7 sdff1/t:$_NOT_ +select -assert-count 9 sdffe0/t:$_NOT_ +select -assert-count 9 sdffe1/t:$_NOT_ +select -assert-count 10 sdffce0/t:$_NOT_ +select -assert-count 10 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 0 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 4 sdffce0/t:$_MUX_ +select -assert-count 4 sdffce1/t:$_MUX_ +select -assert-count 27 t:$_DFFE_PP_ +select -assert-none t:$_DFFE_PP_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + + +# Convert everything to ADFFs. + +design -load orig +dfflegalize -cell $_DFF_PP0_ 0 + +select -assert-count 1 dff/t:$_NOT_ +select -assert-count 1 dffe/t:$_NOT_ +select -assert-count 1 sdff0/t:$_NOT_ +select -assert-count 1 sdff1/t:$_NOT_ +select -assert-count 1 sdffe0/t:$_NOT_ +select -assert-count 1 sdffe1/t:$_NOT_ +select -assert-count 1 sdffce0/t:$_NOT_ +select -assert-count 1 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 3 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 8 sdffce0/t:$_MUX_ +select -assert-count 8 sdffce1/t:$_MUX_ +select -assert-count 27 t:$_DFF_PP0_ +select -assert-none t:$_DFF_PP0_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFF_PP0_ 1 + +select -assert-count 5 dff/t:$_NOT_ +select -assert-count 7 dffe/t:$_NOT_ +select -assert-count 7 sdff0/t:$_NOT_ +select -assert-count 7 sdff1/t:$_NOT_ +select -assert-count 9 sdffe0/t:$_NOT_ +select -assert-count 9 sdffe1/t:$_NOT_ +select -assert-count 9 sdffce0/t:$_NOT_ +select -assert-count 9 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 3 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 8 sdffce0/t:$_MUX_ +select -assert-count 8 sdffce1/t:$_MUX_ +select -assert-count 27 t:$_DFF_PP0_ +select -assert-none t:$_DFF_PP0_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFF_PP1_ 0 + +select -assert-count 1 dff/t:$_NOT_ +select -assert-count 1 dffe/t:$_NOT_ +select -assert-count 1 sdff0/t:$_NOT_ +select -assert-count 1 sdff1/t:$_NOT_ +select -assert-count 1 sdffe0/t:$_NOT_ +select -assert-count 1 sdffe1/t:$_NOT_ +select -assert-count 1 sdffce0/t:$_NOT_ +select -assert-count 1 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 3 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 8 sdffce0/t:$_MUX_ +select -assert-count 8 sdffce1/t:$_MUX_ +select -assert-count 27 t:$_DFF_PP1_ +select -assert-none t:$_DFF_PP1_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFF_PP1_ 1 + +select -assert-count 5 dff/t:$_NOT_ +select -assert-count 7 dffe/t:$_NOT_ +select -assert-count 7 sdff0/t:$_NOT_ +select -assert-count 7 sdff1/t:$_NOT_ +select -assert-count 9 sdffe0/t:$_NOT_ +select -assert-count 9 sdffe1/t:$_NOT_ +select -assert-count 9 sdffce0/t:$_NOT_ +select -assert-count 9 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 3 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 8 sdffce0/t:$_MUX_ +select -assert-count 8 sdffce1/t:$_MUX_ +select -assert-count 27 t:$_DFF_PP1_ +select -assert-none t:$_DFF_PP1_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + + +# Convert everything to ADFFEs. + +design -load orig +dfflegalize -cell $_DFFE_PP0P_ 0 + +select -assert-count 1 dff/t:$_NOT_ +select -assert-count 2 dffe/t:$_NOT_ +select -assert-count 1 sdff0/t:$_NOT_ +select -assert-count 1 sdff1/t:$_NOT_ +select -assert-count 1 sdffe0/t:$_NOT_ +select -assert-count 1 sdffe1/t:$_NOT_ +select -assert-count 2 sdffce0/t:$_NOT_ +select -assert-count 2 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 0 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 4 sdffce0/t:$_MUX_ +select -assert-count 4 sdffce1/t:$_MUX_ +select -assert-count 27 t:$_DFFE_PP0P_ +select -assert-none t:$_DFFE_PP0P_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFFE_PP0P_ 1 + +select -assert-count 5 dff/t:$_NOT_ +select -assert-count 8 dffe/t:$_NOT_ +select -assert-count 7 sdff0/t:$_NOT_ +select -assert-count 7 sdff1/t:$_NOT_ +select -assert-count 9 sdffe0/t:$_NOT_ +select -assert-count 9 sdffe1/t:$_NOT_ +select -assert-count 10 sdffce0/t:$_NOT_ +select -assert-count 10 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 0 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 4 sdffce0/t:$_MUX_ +select -assert-count 4 sdffce1/t:$_MUX_ +select -assert-count 27 t:$_DFFE_PP0P_ +select -assert-none t:$_DFFE_PP0P_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFFE_PP1P_ 0 + +select -assert-count 1 dff/t:$_NOT_ +select -assert-count 2 dffe/t:$_NOT_ +select -assert-count 1 sdff0/t:$_NOT_ +select -assert-count 1 sdff1/t:$_NOT_ +select -assert-count 1 sdffe0/t:$_NOT_ +select -assert-count 1 sdffe1/t:$_NOT_ +select -assert-count 2 sdffce0/t:$_NOT_ +select -assert-count 2 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 0 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 4 sdffce0/t:$_MUX_ +select -assert-count 4 sdffce1/t:$_MUX_ +select -assert-count 27 t:$_DFFE_PP1P_ +select -assert-none t:$_DFFE_PP1P_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFFE_PP1P_ 1 + +select -assert-count 5 dff/t:$_NOT_ +select -assert-count 8 dffe/t:$_NOT_ +select -assert-count 7 sdff0/t:$_NOT_ +select -assert-count 7 sdff1/t:$_NOT_ +select -assert-count 9 sdffe0/t:$_NOT_ +select -assert-count 9 sdffe1/t:$_NOT_ +select -assert-count 10 sdffce0/t:$_NOT_ +select -assert-count 10 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 0 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 4 sdffce0/t:$_MUX_ +select -assert-count 4 sdffce1/t:$_MUX_ +select -assert-count 27 t:$_DFFE_PP1P_ +select -assert-none t:$_DFFE_PP1P_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + + +# Convert everything to DFFSRs. + +design -load orig +dfflegalize -cell $_DFFSR_PPP_ 0 + +select -assert-count 1 dff/t:$_NOT_ +select -assert-count 1 dffe/t:$_NOT_ +select -assert-count 1 sdff0/t:$_NOT_ +select -assert-count 1 sdff1/t:$_NOT_ +select -assert-count 1 sdffe0/t:$_NOT_ +select -assert-count 1 sdffe1/t:$_NOT_ +select -assert-count 1 sdffce0/t:$_NOT_ +select -assert-count 1 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 3 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 8 sdffce0/t:$_MUX_ +select -assert-count 8 sdffce1/t:$_MUX_ +select -assert-count 27 t:$_DFFSR_PPP_ +select -assert-none t:$_DFFSR_PPP_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFFSR_PPP_ 1 + +select -assert-count 5 dff/t:$_NOT_ +select -assert-count 7 dffe/t:$_NOT_ +select -assert-count 7 sdff0/t:$_NOT_ +select -assert-count 7 sdff1/t:$_NOT_ +select -assert-count 9 sdffe0/t:$_NOT_ +select -assert-count 9 sdffe1/t:$_NOT_ +select -assert-count 9 sdffce0/t:$_NOT_ +select -assert-count 9 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 3 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 8 sdffce0/t:$_MUX_ +select -assert-count 8 sdffce1/t:$_MUX_ +select -assert-count 27 t:$_DFFSR_PPP_ +select -assert-none t:$_DFFSR_PPP_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + + +# Convert everything to DFFSREs. + +design -load orig +dfflegalize -cell $_DFFSRE_PPPP_ 0 + +select -assert-count 1 dff/t:$_NOT_ +select -assert-count 2 dffe/t:$_NOT_ +select -assert-count 1 sdff0/t:$_NOT_ +select -assert-count 1 sdff1/t:$_NOT_ +select -assert-count 1 sdffe0/t:$_NOT_ +select -assert-count 1 sdffe1/t:$_NOT_ +select -assert-count 2 sdffce0/t:$_NOT_ +select -assert-count 2 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 0 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 4 sdffce0/t:$_MUX_ +select -assert-count 4 sdffce1/t:$_MUX_ +select -assert-count 27 t:$_DFFSRE_PPPP_ +select -assert-none t:$_DFFSRE_PPPP_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFFSRE_PPPP_ 1 + +select -assert-count 5 dff/t:$_NOT_ +select -assert-count 8 dffe/t:$_NOT_ +select -assert-count 7 sdff0/t:$_NOT_ +select -assert-count 7 sdff1/t:$_NOT_ +select -assert-count 9 sdffe0/t:$_NOT_ +select -assert-count 9 sdffe1/t:$_NOT_ +select -assert-count 10 sdffce0/t:$_NOT_ +select -assert-count 10 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 0 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 4 sdffce0/t:$_MUX_ +select -assert-count 4 sdffce1/t:$_MUX_ +select -assert-count 27 t:$_DFFSRE_PPPP_ +select -assert-none t:$_DFFSRE_PPPP_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + + +# Convert everything to SDFFs. + +design -load orig +dfflegalize -cell $_SDFF_PP0_ 0 + +select -assert-count 1 dff/t:$_NOT_ +select -assert-count 1 dffe/t:$_NOT_ +select -assert-count 2 sdff0/t:$_NOT_ +select -assert-count 1 sdff1/t:$_NOT_ +select -assert-count 2 sdffe0/t:$_NOT_ +select -assert-count 1 sdffe1/t:$_NOT_ +select -assert-count 2 sdffce0/t:$_NOT_ +select -assert-count 1 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 3 dffe/t:$_MUX_ +select -assert-count 0 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 4 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 4 sdffce0/t:$_MUX_ +select -assert-count 8 sdffce1/t:$_MUX_ +select -assert-count 0 t:$_AND_ t:$_ORNOT_ t:$_ANDNOT_ %% sdffce0/* %n %i +select -assert-count 2 sdffce0/t:$_AND_ +select -assert-count 1 sdffce0/t:$_ORNOT_ +select -assert-count 1 sdffce0/t:$_ANDNOT_ +select -assert-count 27 t:$_SDFF_PP0_ +select -assert-none t:$_SDFF_PP0_ t:$_MUX_ t:$_NOT_ t:$_AND_ t:$_ORNOT_ t:$_ANDNOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_SDFF_PP0_ 1 + +select -assert-count 5 dff/t:$_NOT_ +select -assert-count 7 dffe/t:$_NOT_ +select -assert-count 7 sdff0/t:$_NOT_ +select -assert-count 8 sdff1/t:$_NOT_ +select -assert-count 9 sdffe0/t:$_NOT_ +select -assert-count 10 sdffe1/t:$_NOT_ +select -assert-count 9 sdffce0/t:$_NOT_ +select -assert-count 10 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 3 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 0 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 4 sdffe1/t:$_MUX_ +select -assert-count 8 sdffce0/t:$_MUX_ +select -assert-count 4 sdffce1/t:$_MUX_ +select -assert-count 0 t:$_AND_ t:$_ORNOT_ t:$_ANDNOT_ %% sdffce1/* %n %i +select -assert-count 2 sdffce1/t:$_AND_ +select -assert-count 1 sdffce1/t:$_ORNOT_ +select -assert-count 1 sdffce1/t:$_ANDNOT_ +select -assert-count 27 t:$_SDFF_PP0_ +select -assert-none t:$_SDFF_PP0_ t:$_MUX_ t:$_NOT_ t:$_AND_ t:$_ORNOT_ t:$_ANDNOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_SDFF_PP1_ 0 + +select -assert-count 1 dff/t:$_NOT_ +select -assert-count 1 dffe/t:$_NOT_ +select -assert-count 1 sdff0/t:$_NOT_ +select -assert-count 2 sdff1/t:$_NOT_ +select -assert-count 1 sdffe0/t:$_NOT_ +select -assert-count 2 sdffe1/t:$_NOT_ +select -assert-count 1 sdffce0/t:$_NOT_ +select -assert-count 2 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 3 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 0 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 4 sdffe1/t:$_MUX_ +select -assert-count 8 sdffce0/t:$_MUX_ +select -assert-count 4 sdffce1/t:$_MUX_ +select -assert-count 0 t:$_AND_ t:$_ORNOT_ t:$_ANDNOT_ %% sdffce1/* %n %i +select -assert-count 2 sdffce1/t:$_AND_ +select -assert-count 1 sdffce1/t:$_ORNOT_ +select -assert-count 1 sdffce1/t:$_ANDNOT_ +select -assert-count 27 t:$_SDFF_PP1_ +select -assert-none t:$_SDFF_PP1_ t:$_MUX_ t:$_NOT_ t:$_AND_ t:$_ORNOT_ t:$_ANDNOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_SDFF_PP1_ 1 + +select -assert-count 5 dff/t:$_NOT_ +select -assert-count 7 dffe/t:$_NOT_ +select -assert-count 8 sdff0/t:$_NOT_ +select -assert-count 7 sdff1/t:$_NOT_ +select -assert-count 10 sdffe0/t:$_NOT_ +select -assert-count 9 sdffe1/t:$_NOT_ +select -assert-count 10 sdffce0/t:$_NOT_ +select -assert-count 9 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 3 dffe/t:$_MUX_ +select -assert-count 0 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 4 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 4 sdffce0/t:$_MUX_ +select -assert-count 8 sdffce1/t:$_MUX_ +select -assert-count 0 t:$_AND_ t:$_ORNOT_ t:$_ANDNOT_ %% sdffce0/* %n %i +select -assert-count 2 sdffce0/t:$_AND_ +select -assert-count 1 sdffce0/t:$_ORNOT_ +select -assert-count 1 sdffce0/t:$_ANDNOT_ +select -assert-count 27 t:$_SDFF_PP1_ +select -assert-none t:$_SDFF_PP1_ t:$_MUX_ t:$_NOT_ t:$_AND_ t:$_ORNOT_ t:$_ANDNOT_ top/* %% %n t:* %i + + +# Convert everything to SDFFEs. + +design -load orig +dfflegalize -cell $_SDFFE_PP0P_ 0 + +select -assert-count 1 dff/t:$_NOT_ +select -assert-count 2 dffe/t:$_NOT_ +select -assert-count 2 sdff0/t:$_NOT_ +select -assert-count 1 sdff1/t:$_NOT_ +select -assert-count 3 sdffe0/t:$_NOT_ +select -assert-count 1 sdffe1/t:$_NOT_ +select -assert-count 3 sdffce0/t:$_NOT_ +select -assert-count 2 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 0 dffe/t:$_MUX_ +select -assert-count 0 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 0 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 0 sdffce0/t:$_MUX_ +select -assert-count 4 sdffce1/t:$_MUX_ +select -assert-count 0 t:$_AND_ t:$_ORNOT_ t:$_ANDNOT_ %% sdffce0/* %n %i +select -assert-count 2 sdffce0/t:$_AND_ +select -assert-count 1 sdffce0/t:$_ORNOT_ +select -assert-count 1 sdffce0/t:$_ANDNOT_ +select -assert-count 27 t:$_SDFFE_PP0P_ +select -assert-none t:$_SDFFE_PP0P_ t:$_NOT_ t:$_MUX_ t:$_AND_ t:$_ORNOT_ t:$_ANDNOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_SDFFE_PP0P_ 1 + +select -assert-count 5 dff/t:$_NOT_ +select -assert-count 8 dffe/t:$_NOT_ +select -assert-count 7 sdff0/t:$_NOT_ +select -assert-count 8 sdff1/t:$_NOT_ +select -assert-count 9 sdffe0/t:$_NOT_ +select -assert-count 11 sdffe1/t:$_NOT_ +select -assert-count 10 sdffce0/t:$_NOT_ +select -assert-count 11 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 0 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 0 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 0 sdffe1/t:$_MUX_ +select -assert-count 4 sdffce0/t:$_MUX_ +select -assert-count 0 sdffce1/t:$_MUX_ +select -assert-count 0 t:$_AND_ t:$_ORNOT_ t:$_ANDNOT_ %% sdffce1/* %n %i +select -assert-count 2 sdffce1/t:$_AND_ +select -assert-count 1 sdffce1/t:$_ORNOT_ +select -assert-count 1 sdffce1/t:$_ANDNOT_ +select -assert-count 27 t:$_SDFFE_PP0P_ +select -assert-none t:$_SDFFE_PP0P_ t:$_NOT_ t:$_MUX_ t:$_AND_ t:$_ORNOT_ t:$_ANDNOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_SDFFE_PP1P_ 0 + +select -assert-count 1 dff/t:$_NOT_ +select -assert-count 2 dffe/t:$_NOT_ +select -assert-count 1 sdff0/t:$_NOT_ +select -assert-count 2 sdff1/t:$_NOT_ +select -assert-count 1 sdffe0/t:$_NOT_ +select -assert-count 3 sdffe1/t:$_NOT_ +select -assert-count 2 sdffce0/t:$_NOT_ +select -assert-count 3 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 0 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 0 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 0 sdffe1/t:$_MUX_ +select -assert-count 4 sdffce0/t:$_MUX_ +select -assert-count 0 sdffce1/t:$_MUX_ +select -assert-count 0 t:$_AND_ t:$_ORNOT_ t:$_ANDNOT_ %% sdffce1/* %n %i +select -assert-count 2 sdffce1/t:$_AND_ +select -assert-count 1 sdffce1/t:$_ORNOT_ +select -assert-count 1 sdffce1/t:$_ANDNOT_ +select -assert-count 27 t:$_SDFFE_PP1P_ +select -assert-none t:$_SDFFE_PP1P_ t:$_NOT_ t:$_MUX_ t:$_AND_ t:$_ORNOT_ t:$_ANDNOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_SDFFE_PP1P_ 1 + +select -assert-count 5 dff/t:$_NOT_ +select -assert-count 8 dffe/t:$_NOT_ +select -assert-count 8 sdff0/t:$_NOT_ +select -assert-count 7 sdff1/t:$_NOT_ +select -assert-count 11 sdffe0/t:$_NOT_ +select -assert-count 9 sdffe1/t:$_NOT_ +select -assert-count 11 sdffce0/t:$_NOT_ +select -assert-count 10 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 0 dffe/t:$_MUX_ +select -assert-count 0 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 0 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 0 sdffce0/t:$_MUX_ +select -assert-count 4 sdffce1/t:$_MUX_ +select -assert-count 0 t:$_AND_ t:$_ORNOT_ t:$_ANDNOT_ %% sdffce0/* %n %i +select -assert-count 2 sdffce0/t:$_AND_ +select -assert-count 1 sdffce0/t:$_ORNOT_ +select -assert-count 1 sdffce0/t:$_ANDNOT_ +select -assert-count 27 t:$_SDFFE_PP1P_ +select -assert-none t:$_SDFFE_PP1P_ t:$_NOT_ t:$_MUX_ t:$_AND_ t:$_ORNOT_ t:$_ANDNOT_ top/* %% %n t:* %i + + +# Convert everything to SDFFCEs. + +design -load orig +dfflegalize -cell $_SDFFCE_PP0P_ 0 + +select -assert-count 1 dff/t:$_NOT_ +select -assert-count 2 dffe/t:$_NOT_ +select -assert-count 2 sdff0/t:$_NOT_ +select -assert-count 1 sdff1/t:$_NOT_ +select -assert-count 3 sdffe0/t:$_NOT_ +select -assert-count 1 sdffe1/t:$_NOT_ +select -assert-count 3 sdffce0/t:$_NOT_ +select -assert-count 2 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 0 dffe/t:$_MUX_ +select -assert-count 0 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 0 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 0 sdffce0/t:$_MUX_ +select -assert-count 4 sdffce1/t:$_MUX_ +select -assert-count 0 t:$_OR_ t:$_ORNOT_ t:$_ANDNOT_ %% sdffe0/* %n %i +select -assert-count 2 sdffe0/t:$_OR_ +select -assert-count 1 sdffe0/t:$_ORNOT_ +select -assert-count 1 sdffe0/t:$_ANDNOT_ +select -assert-count 27 t:$_SDFFCE_PP0P_ +select -assert-none t:$_SDFFCE_PP0P_ t:$_NOT_ t:$_MUX_ t:$_OR_ t:$_ORNOT_ t:$_ANDNOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_SDFFCE_PP0P_ 1 + +select -assert-count 5 dff/t:$_NOT_ +select -assert-count 8 dffe/t:$_NOT_ +select -assert-count 7 sdff0/t:$_NOT_ +select -assert-count 8 sdff1/t:$_NOT_ +select -assert-count 9 sdffe0/t:$_NOT_ +select -assert-count 11 sdffe1/t:$_NOT_ +select -assert-count 10 sdffce0/t:$_NOT_ +select -assert-count 11 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 0 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 0 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 0 sdffe1/t:$_MUX_ +select -assert-count 4 sdffce0/t:$_MUX_ +select -assert-count 0 sdffce1/t:$_MUX_ +select -assert-count 0 t:$_OR_ t:$_ORNOT_ t:$_ANDNOT_ %% sdffe1/* %n %i +select -assert-count 2 sdffe1/t:$_OR_ +select -assert-count 1 sdffe1/t:$_ORNOT_ +select -assert-count 1 sdffe1/t:$_ANDNOT_ +select -assert-count 27 t:$_SDFFCE_PP0P_ +select -assert-none t:$_SDFFCE_PP0P_ t:$_NOT_ t:$_MUX_ t:$_OR_ t:$_ORNOT_ t:$_ANDNOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_SDFFCE_PP1P_ 0 + +select -assert-count 1 dff/t:$_NOT_ +select -assert-count 2 dffe/t:$_NOT_ +select -assert-count 1 sdff0/t:$_NOT_ +select -assert-count 2 sdff1/t:$_NOT_ +select -assert-count 1 sdffe0/t:$_NOT_ +select -assert-count 3 sdffe1/t:$_NOT_ +select -assert-count 2 sdffce0/t:$_NOT_ +select -assert-count 3 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 0 dffe/t:$_MUX_ +select -assert-count 3 sdff0/t:$_MUX_ +select -assert-count 0 sdff1/t:$_MUX_ +select -assert-count 8 sdffe0/t:$_MUX_ +select -assert-count 0 sdffe1/t:$_MUX_ +select -assert-count 4 sdffce0/t:$_MUX_ +select -assert-count 0 sdffce1/t:$_MUX_ +select -assert-count 0 t:$_OR_ t:$_ORNOT_ t:$_ANDNOT_ %% sdffe1/* %n %i +select -assert-count 2 sdffe1/t:$_OR_ +select -assert-count 1 sdffe1/t:$_ORNOT_ +select -assert-count 1 sdffe1/t:$_ANDNOT_ +select -assert-count 27 t:$_SDFFCE_PP1P_ +select -assert-none t:$_SDFFCE_PP1P_ t:$_NOT_ t:$_MUX_ t:$_OR_ t:$_ORNOT_ t:$_ANDNOT_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_SDFFCE_PP1P_ 1 + +select -assert-count 5 dff/t:$_NOT_ +select -assert-count 8 dffe/t:$_NOT_ +select -assert-count 8 sdff0/t:$_NOT_ +select -assert-count 7 sdff1/t:$_NOT_ +select -assert-count 11 sdffe0/t:$_NOT_ +select -assert-count 9 sdffe1/t:$_NOT_ +select -assert-count 11 sdffce0/t:$_NOT_ +select -assert-count 10 sdffce1/t:$_NOT_ +select -assert-count 0 dff/t:$_MUX_ +select -assert-count 0 dffe/t:$_MUX_ +select -assert-count 0 sdff0/t:$_MUX_ +select -assert-count 3 sdff1/t:$_MUX_ +select -assert-count 0 sdffe0/t:$_MUX_ +select -assert-count 8 sdffe1/t:$_MUX_ +select -assert-count 0 sdffce0/t:$_MUX_ +select -assert-count 4 sdffce1/t:$_MUX_ +select -assert-count 0 t:$_OR_ t:$_ORNOT_ t:$_ANDNOT_ %% sdffe0/* %n %i +select -assert-count 2 sdffe0/t:$_OR_ +select -assert-count 1 sdffe0/t:$_ORNOT_ +select -assert-count 1 sdffe0/t:$_ANDNOT_ +select -assert-count 27 t:$_SDFFCE_PP1P_ +select -assert-none t:$_SDFFCE_PP1P_ t:$_NOT_ t:$_MUX_ t:$_OR_ t:$_ORNOT_ t:$_ANDNOT_ top/* %% %n t:* %i diff --git a/tests/techmap/dfflegalize_dffsr.ys b/tests/techmap/dfflegalize_dffsr.ys new file mode 100644 index 000000000..0cfb4950e --- /dev/null +++ b/tests/techmap/dfflegalize_dffsr.ys @@ -0,0 +1,88 @@ +read_verilog -icells <<EOT + +module dffsr(input C, R, S, D, output [3:0] Q); +$_DFFSR_PPP_ ff0 (.C(C), .R(R), .S(S), .D(D), .Q(Q[0])); +$_DFFSR_PPN_ ff1 (.C(C), .R(R), .S(S), .D(D), .Q(Q[1])); +$_DFFSR_PNP_ ff2 (.C(C), .R(R), .S(S), .D(D), .Q(Q[2])); +$_DFFSR_NPP_ ff3 (.C(C), .R(R), .S(S), .D(D), .Q(Q[3])); +endmodule + +module dffsre(input C, R, S, E, D, output [4:0] Q); +$_DFFSRE_PPPP_ ff0 (.C(C), .R(R), .S(S), .E(E), .D(D), .Q(Q[0])); +$_DFFSRE_PPPN_ ff1 (.C(C), .R(R), .S(S), .E(E), .D(D), .Q(Q[1])); +$_DFFSRE_PPNP_ ff2 (.C(C), .R(R), .S(S), .E(E), .D(D), .Q(Q[2])); +$_DFFSRE_PNPP_ ff3 (.C(C), .R(R), .S(S), .E(E), .D(D), .Q(Q[3])); +$_DFFSRE_NPPP_ ff4 (.C(C), .R(R), .S(S), .E(E), .D(D), .Q(Q[4])); +endmodule + +module top(input C, E, R, S, D, output [8:0] Q); +dffsr dffsr_(.C(C), .R(R), .S(S), .D(D), .Q(Q[3:0])); +dffsre dffsre_(.C(C), .R(R), .S(S), .E(E), .D(D), .Q(Q[8:4])); +endmodule + +EOT + +design -save orig +flatten +#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFF_PP0_ x -cell $_SR_PP_ x +#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP0P_ x -cell $_SR_PP_ x +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ x +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ x + + +# Convert everything to ADFFs. + +design -load orig +dfflegalize -cell $_DFF_PP0_ x -cell $_SR_PP_ x + +select -assert-count 14 dffsr/t:$_NOT_ +select -assert-count 16 dffsre/t:$_NOT_ +select -assert-count 4 dffsr/t:$_MUX_ +select -assert-count 10 dffsre/t:$_MUX_ +select -assert-count 8 dffsr/t:$_DFF_PP0_ +select -assert-count 10 dffsre/t:$_DFF_PP0_ +select -assert-count 4 dffsr/t:$_SR_PP_ +select -assert-count 5 dffsre/t:$_SR_PP_ +select -assert-none t:$_DFF_PP0_ t:$_SR_PP_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + + +# Convert everything to ADFFEs. + +design -load orig +dfflegalize -cell $_DFFE_PP0P_ x -cell $_SR_PP_ x + +select -assert-count 14 dffsr/t:$_NOT_ +select -assert-count 18 dffsre/t:$_NOT_ +select -assert-count 4 dffsr/t:$_MUX_ +select -assert-count 5 dffsre/t:$_MUX_ +select -assert-count 8 dffsr/t:$_DFFE_PP0P_ +select -assert-count 10 dffsre/t:$_DFFE_PP0P_ +select -assert-count 4 dffsr/t:$_SR_PP_ +select -assert-count 5 dffsre/t:$_SR_PP_ +select -assert-none t:$_DFFE_PP0P_ t:$_SR_PP_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + + +# Convert everything to DFFSRs. + +design -load orig +dfflegalize -cell $_DFFSR_PPP_ x + +select -assert-count 3 dffsr/t:$_NOT_ +select -assert-count 3 dffsre/t:$_NOT_ +select -assert-count 0 dffsr/t:$_MUX_ +select -assert-count 5 dffsre/t:$_MUX_ +select -assert-count 4 dffsr/t:$_DFFSR_PPP_ +select -assert-count 5 dffsre/t:$_DFFSR_PPP_ +select -assert-none t:$_DFFSR_PPP_ t:$_MUX_ t:$_NOT_ top/* %% %n t:* %i + + +# Convert everything to DFFSREs. + +design -load orig +dfflegalize -cell $_DFFSRE_PPPP_ x + +select -assert-count 3 dffsr/t:$_NOT_ +select -assert-count 4 dffsre/t:$_NOT_ +select -assert-count 4 dffsr/t:$_DFFSRE_PPPP_ +select -assert-count 5 dffsre/t:$_DFFSRE_PPPP_ +select -assert-none t:$_DFFSRE_PPPP_ t:$_NOT_ top/* %% %n t:* %i diff --git a/tests/techmap/dfflegalize_dffsr_init.ys b/tests/techmap/dfflegalize_dffsr_init.ys new file mode 100644 index 000000000..646c086e0 --- /dev/null +++ b/tests/techmap/dfflegalize_dffsr_init.ys @@ -0,0 +1,379 @@ +read_verilog -icells <<EOT + +module dffsr0(input C, R, S, D, (* init = 4'h0 *) output [3:0] Q); +$_DFFSR_PPP_ ff0 (.C(C), .R(R), .S(S), .D(D), .Q(Q[0])); +$_DFFSR_PPN_ ff1 (.C(C), .R(R), .S(S), .D(D), .Q(Q[1])); +$_DFFSR_PNP_ ff2 (.C(C), .R(R), .S(S), .D(D), .Q(Q[2])); +$_DFFSR_NPP_ ff3 (.C(C), .R(R), .S(S), .D(D), .Q(Q[3])); +endmodule + +module dffsr1(input C, R, S, D, (* init = 4'hf *) output [3:0] Q); +$_DFFSR_PPP_ ff0 (.C(C), .R(R), .S(S), .D(D), .Q(Q[0])); +$_DFFSR_PPN_ ff1 (.C(C), .R(R), .S(S), .D(D), .Q(Q[1])); +$_DFFSR_PNP_ ff2 (.C(C), .R(R), .S(S), .D(D), .Q(Q[2])); +$_DFFSR_NPP_ ff3 (.C(C), .R(R), .S(S), .D(D), .Q(Q[3])); +endmodule + +module dffsre0(input C, R, S, E, D, (* init = 5'h0 *) output [4:0] Q); +$_DFFSRE_PPPP_ ff0 (.C(C), .R(R), .S(S), .E(E), .D(D), .Q(Q[0])); +$_DFFSRE_PPPN_ ff1 (.C(C), .R(R), .S(S), .E(E), .D(D), .Q(Q[1])); +$_DFFSRE_PPNP_ ff2 (.C(C), .R(R), .S(S), .E(E), .D(D), .Q(Q[2])); +$_DFFSRE_PNPP_ ff3 (.C(C), .R(R), .S(S), .E(E), .D(D), .Q(Q[3])); +$_DFFSRE_NPPP_ ff4 (.C(C), .R(R), .S(S), .E(E), .D(D), .Q(Q[4])); +endmodule + +module dffsre1(input C, R, S, E, D, (* init = 5'h1f *) output [4:0] Q); +$_DFFSRE_PPPP_ ff0 (.C(C), .R(R), .S(S), .E(E), .D(D), .Q(Q[0])); +$_DFFSRE_PPPN_ ff1 (.C(C), .R(R), .S(S), .E(E), .D(D), .Q(Q[1])); +$_DFFSRE_PPNP_ ff2 (.C(C), .R(R), .S(S), .E(E), .D(D), .Q(Q[2])); +$_DFFSRE_PNPP_ ff3 (.C(C), .R(R), .S(S), .E(E), .D(D), .Q(Q[3])); +$_DFFSRE_NPPP_ ff4 (.C(C), .R(R), .S(S), .E(E), .D(D), .Q(Q[4])); +endmodule + +module top(input C, E, R, S, D, output [17:0] Q); +dffsr0 dffsr0_(.C(C), .R(R), .S(S), .D(D), .Q(Q[3:0])); +dffsr1 dffsr1_(.C(C), .R(R), .S(S), .D(D), .Q(Q[7:4])); +dffsre0 dffsre0_(.C(C), .R(R), .S(S), .E(E), .D(D), .Q(Q[12:8])); +dffsre1 dffsre1_(.C(C), .R(R), .S(S), .E(E), .D(D), .Q(Q[17:13])); +endmodule + +EOT + +design -save orig +flatten +#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFF_PP0_ 0 -cell $_SR_PP_ 0 +#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFF_PP0_ 1 -cell $_SR_PP_ 0 +#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFF_PP1_ 0 -cell $_SR_PP_ 0 +#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFF_PP1_ 1 -cell $_SR_PP_ 0 +#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP0P_ 0 -cell $_SR_PP_ 0 +#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP0P_ 1 -cell $_SR_PP_ 0 +#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP1P_ 0 -cell $_SR_PP_ 0 +#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP1P_ 1 -cell $_SR_PP_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ 1 + + +# Convert everything to ADFFs. + +design -load orig +dfflegalize -cell $_DFF_PP0_ 0 -cell $_SR_PP_ 0 + +select -assert-count 14 dffsr0/t:$_NOT_ +select -assert-count 18 dffsr1/t:$_NOT_ +select -assert-count 16 dffsre0/t:$_NOT_ +select -assert-count 21 dffsre1/t:$_NOT_ +select -assert-count 4 dffsr0/t:$_MUX_ +select -assert-count 4 dffsr1/t:$_MUX_ +select -assert-count 10 dffsre0/t:$_MUX_ +select -assert-count 10 dffsre1/t:$_MUX_ +select -assert-count 8 dffsr0/t:$_DFF_PP0_ +select -assert-count 8 dffsr1/t:$_DFF_PP0_ +select -assert-count 10 dffsre0/t:$_DFF_PP0_ +select -assert-count 10 dffsre1/t:$_DFF_PP0_ +select -assert-count 4 dffsr0/t:$_SR_PP_ +select -assert-count 4 dffsr1/t:$_SR_PP_ +select -assert-count 5 dffsre0/t:$_SR_PP_ +select -assert-count 5 dffsre1/t:$_SR_PP_ +select -assert-count 1 dffsr1/t:$_AND_ +select -assert-count 2 dffsr1/t:$_ANDNOT_ +select -assert-count 1 dffsr1/t:$_OR_ +select -assert-count 1 dffsre1/t:$_AND_ +select -assert-count 3 dffsre1/t:$_ANDNOT_ +select -assert-count 1 dffsre1/t:$_OR_ +select -assert-count 0 t:$_AND_ t:$_OR_ t:$_ANDNOT_ %% dffsr1/* dffsre1/* %u %n %i +select -assert-none t:$_DFF_PP0_ t:$_SR_PP_ t:$_MUX_ t:$_NOT_ t:$_AND_ t:$_ANDNOT_ t:$_OR_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFF_PP0_ 1 -cell $_SR_PP_ 0 + +select -assert-count 18 dffsr0/t:$_NOT_ +select -assert-count 14 dffsr1/t:$_NOT_ +select -assert-count 21 dffsre0/t:$_NOT_ +select -assert-count 16 dffsre1/t:$_NOT_ +select -assert-count 4 dffsr0/t:$_MUX_ +select -assert-count 4 dffsr1/t:$_MUX_ +select -assert-count 10 dffsre0/t:$_MUX_ +select -assert-count 10 dffsre1/t:$_MUX_ +select -assert-count 8 dffsr0/t:$_DFF_PP0_ +select -assert-count 8 dffsr1/t:$_DFF_PP0_ +select -assert-count 10 dffsre0/t:$_DFF_PP0_ +select -assert-count 10 dffsre1/t:$_DFF_PP0_ +select -assert-count 4 dffsr0/t:$_SR_PP_ +select -assert-count 4 dffsr1/t:$_SR_PP_ +select -assert-count 5 dffsre0/t:$_SR_PP_ +select -assert-count 5 dffsre1/t:$_SR_PP_ +select -assert-count 1 dffsr0/t:$_AND_ +select -assert-count 2 dffsr0/t:$_ANDNOT_ +select -assert-count 1 dffsr0/t:$_OR_ +select -assert-count 1 dffsre0/t:$_AND_ +select -assert-count 3 dffsre0/t:$_ANDNOT_ +select -assert-count 1 dffsre0/t:$_OR_ +select -assert-count 0 t:$_AND_ t:$_OR_ t:$_ANDNOT_ %% dffsr0/* dffsre0/* %u %n %i +select -assert-none t:$_DFF_PP0_ t:$_SR_PP_ t:$_MUX_ t:$_NOT_ t:$_AND_ t:$_ANDNOT_ t:$_OR_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFF_PP1_ 0 -cell $_SR_PP_ 0 + +select -assert-count 18 dffsr0/t:$_NOT_ +select -assert-count 14 dffsr1/t:$_NOT_ +select -assert-count 21 dffsre0/t:$_NOT_ +select -assert-count 16 dffsre1/t:$_NOT_ +select -assert-count 4 dffsr0/t:$_MUX_ +select -assert-count 4 dffsr1/t:$_MUX_ +select -assert-count 10 dffsre0/t:$_MUX_ +select -assert-count 10 dffsre1/t:$_MUX_ +select -assert-count 8 dffsr0/t:$_DFF_PP1_ +select -assert-count 8 dffsr1/t:$_DFF_PP1_ +select -assert-count 10 dffsre0/t:$_DFF_PP1_ +select -assert-count 10 dffsre1/t:$_DFF_PP1_ +select -assert-count 4 dffsr0/t:$_SR_PP_ +select -assert-count 4 dffsr1/t:$_SR_PP_ +select -assert-count 5 dffsre0/t:$_SR_PP_ +select -assert-count 5 dffsre1/t:$_SR_PP_ +select -assert-count 1 dffsr0/t:$_AND_ +select -assert-count 2 dffsr0/t:$_ANDNOT_ +select -assert-count 1 dffsr0/t:$_OR_ +select -assert-count 1 dffsre0/t:$_AND_ +select -assert-count 3 dffsre0/t:$_ANDNOT_ +select -assert-count 1 dffsre0/t:$_OR_ +select -assert-count 0 t:$_AND_ t:$_OR_ t:$_ANDNOT_ %% dffsr0/* dffsre0/* %u %n %i +select -assert-none t:$_DFF_PP1_ t:$_SR_PP_ t:$_MUX_ t:$_NOT_ t:$_AND_ t:$_ANDNOT_ t:$_OR_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFF_PP1_ 1 -cell $_SR_PP_ 0 + +select -assert-count 14 dffsr0/t:$_NOT_ +select -assert-count 18 dffsr1/t:$_NOT_ +select -assert-count 16 dffsre0/t:$_NOT_ +select -assert-count 21 dffsre1/t:$_NOT_ +select -assert-count 4 dffsr0/t:$_MUX_ +select -assert-count 4 dffsr1/t:$_MUX_ +select -assert-count 10 dffsre0/t:$_MUX_ +select -assert-count 10 dffsre1/t:$_MUX_ +select -assert-count 8 dffsr0/t:$_DFF_PP1_ +select -assert-count 8 dffsr1/t:$_DFF_PP1_ +select -assert-count 10 dffsre0/t:$_DFF_PP1_ +select -assert-count 10 dffsre1/t:$_DFF_PP1_ +select -assert-count 4 dffsr0/t:$_SR_PP_ +select -assert-count 4 dffsr1/t:$_SR_PP_ +select -assert-count 5 dffsre0/t:$_SR_PP_ +select -assert-count 5 dffsre1/t:$_SR_PP_ +select -assert-count 1 dffsr1/t:$_AND_ +select -assert-count 2 dffsr1/t:$_ANDNOT_ +select -assert-count 1 dffsr1/t:$_OR_ +select -assert-count 1 dffsre1/t:$_AND_ +select -assert-count 3 dffsre1/t:$_ANDNOT_ +select -assert-count 1 dffsre1/t:$_OR_ +select -assert-count 0 t:$_AND_ t:$_OR_ t:$_ANDNOT_ %% dffsr1/* dffsre1/* %u %n %i +select -assert-none t:$_DFF_PP1_ t:$_SR_PP_ t:$_MUX_ t:$_NOT_ t:$_AND_ t:$_ANDNOT_ t:$_OR_ top/* %% %n t:* %i + + +# Convert everything to ADFFEs. + +design -load orig +dfflegalize -cell $_DFFE_PP0P_ 0 -cell $_SR_PP_ 1 + +select -assert-count 18 dffsr0/t:$_NOT_ +select -assert-count 14 dffsr1/t:$_NOT_ +select -assert-count 23 dffsre0/t:$_NOT_ +select -assert-count 18 dffsre1/t:$_NOT_ +select -assert-count 4 dffsr0/t:$_MUX_ +select -assert-count 4 dffsr1/t:$_MUX_ +select -assert-count 5 dffsre0/t:$_MUX_ +select -assert-count 5 dffsre1/t:$_MUX_ +select -assert-count 8 dffsr0/t:$_DFFE_PP0P_ +select -assert-count 8 dffsr1/t:$_DFFE_PP0P_ +select -assert-count 10 dffsre0/t:$_DFFE_PP0P_ +select -assert-count 10 dffsre1/t:$_DFFE_PP0P_ +select -assert-count 4 dffsr0/t:$_SR_PP_ +select -assert-count 4 dffsr1/t:$_SR_PP_ +select -assert-count 5 dffsre0/t:$_SR_PP_ +select -assert-count 5 dffsre1/t:$_SR_PP_ +select -assert-count 1 dffsr0/t:$_AND_ +select -assert-count 2 dffsr0/t:$_ANDNOT_ +select -assert-count 1 dffsr0/t:$_OR_ +select -assert-count 1 dffsre0/t:$_AND_ +select -assert-count 3 dffsre0/t:$_ANDNOT_ +select -assert-count 1 dffsre0/t:$_OR_ +select -assert-count 0 t:$_AND_ t:$_OR_ t:$_ANDNOT_ %% dffsr0/* dffsre0/* %u %n %i +select -assert-none t:$_DFFE_PP0P_ t:$_SR_PP_ t:$_MUX_ t:$_NOT_ t:$_AND_ t:$_ANDNOT_ t:$_OR_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFFE_PP0P_ 1 -cell $_SR_PP_ 1 + +select -assert-count 14 dffsr0/t:$_NOT_ +select -assert-count 18 dffsr1/t:$_NOT_ +select -assert-count 18 dffsre0/t:$_NOT_ +select -assert-count 23 dffsre1/t:$_NOT_ +select -assert-count 4 dffsr0/t:$_MUX_ +select -assert-count 4 dffsr1/t:$_MUX_ +select -assert-count 5 dffsre0/t:$_MUX_ +select -assert-count 5 dffsre1/t:$_MUX_ +select -assert-count 8 dffsr0/t:$_DFFE_PP0P_ +select -assert-count 8 dffsr1/t:$_DFFE_PP0P_ +select -assert-count 10 dffsre0/t:$_DFFE_PP0P_ +select -assert-count 10 dffsre1/t:$_DFFE_PP0P_ +select -assert-count 4 dffsr0/t:$_SR_PP_ +select -assert-count 4 dffsr1/t:$_SR_PP_ +select -assert-count 5 dffsre0/t:$_SR_PP_ +select -assert-count 5 dffsre1/t:$_SR_PP_ +select -assert-count 1 dffsr1/t:$_AND_ +select -assert-count 2 dffsr1/t:$_ANDNOT_ +select -assert-count 1 dffsr1/t:$_OR_ +select -assert-count 1 dffsre1/t:$_AND_ +select -assert-count 3 dffsre1/t:$_ANDNOT_ +select -assert-count 1 dffsre1/t:$_OR_ +select -assert-count 0 t:$_AND_ t:$_OR_ t:$_ANDNOT_ %% dffsr1/* dffsre1/* %u %n %i +select -assert-none t:$_DFFE_PP0P_ t:$_SR_PP_ t:$_MUX_ t:$_NOT_ t:$_AND_ t:$_ANDNOT_ t:$_OR_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFFE_PP1P_ 0 -cell $_SR_PP_ 1 + +select -assert-count 14 dffsr0/t:$_NOT_ +select -assert-count 18 dffsr1/t:$_NOT_ +select -assert-count 18 dffsre0/t:$_NOT_ +select -assert-count 23 dffsre1/t:$_NOT_ +select -assert-count 4 dffsr0/t:$_MUX_ +select -assert-count 4 dffsr1/t:$_MUX_ +select -assert-count 5 dffsre0/t:$_MUX_ +select -assert-count 5 dffsre1/t:$_MUX_ +select -assert-count 8 dffsr0/t:$_DFFE_PP1P_ +select -assert-count 8 dffsr1/t:$_DFFE_PP1P_ +select -assert-count 10 dffsre0/t:$_DFFE_PP1P_ +select -assert-count 10 dffsre1/t:$_DFFE_PP1P_ +select -assert-count 4 dffsr0/t:$_SR_PP_ +select -assert-count 4 dffsr1/t:$_SR_PP_ +select -assert-count 5 dffsre0/t:$_SR_PP_ +select -assert-count 5 dffsre1/t:$_SR_PP_ +select -assert-count 1 dffsr1/t:$_AND_ +select -assert-count 2 dffsr1/t:$_ANDNOT_ +select -assert-count 1 dffsr1/t:$_OR_ +select -assert-count 1 dffsre1/t:$_AND_ +select -assert-count 3 dffsre1/t:$_ANDNOT_ +select -assert-count 1 dffsre1/t:$_OR_ +select -assert-count 0 t:$_AND_ t:$_OR_ t:$_ANDNOT_ %% dffsr1/* dffsre1/* %u %n %i +select -assert-none t:$_DFFE_PP1P_ t:$_SR_PP_ t:$_MUX_ t:$_NOT_ t:$_AND_ t:$_ANDNOT_ t:$_OR_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFFE_PP1P_ 1 -cell $_SR_PP_ 1 + +select -assert-count 18 dffsr0/t:$_NOT_ +select -assert-count 14 dffsr1/t:$_NOT_ +select -assert-count 23 dffsre0/t:$_NOT_ +select -assert-count 18 dffsre1/t:$_NOT_ +select -assert-count 4 dffsr0/t:$_MUX_ +select -assert-count 4 dffsr1/t:$_MUX_ +select -assert-count 5 dffsre0/t:$_MUX_ +select -assert-count 5 dffsre1/t:$_MUX_ +select -assert-count 8 dffsr0/t:$_DFFE_PP1P_ +select -assert-count 8 dffsr1/t:$_DFFE_PP1P_ +select -assert-count 10 dffsre0/t:$_DFFE_PP1P_ +select -assert-count 10 dffsre1/t:$_DFFE_PP1P_ +select -assert-count 4 dffsr0/t:$_SR_PP_ +select -assert-count 4 dffsr1/t:$_SR_PP_ +select -assert-count 5 dffsre0/t:$_SR_PP_ +select -assert-count 5 dffsre1/t:$_SR_PP_ +select -assert-count 1 dffsr0/t:$_AND_ +select -assert-count 2 dffsr0/t:$_ANDNOT_ +select -assert-count 1 dffsr0/t:$_OR_ +select -assert-count 1 dffsre0/t:$_AND_ +select -assert-count 3 dffsre0/t:$_ANDNOT_ +select -assert-count 1 dffsre0/t:$_OR_ +select -assert-count 0 t:$_AND_ t:$_OR_ t:$_ANDNOT_ %% dffsr0/* dffsre0/* %u %n %i +select -assert-none t:$_DFFE_PP1P_ t:$_SR_PP_ t:$_MUX_ t:$_NOT_ t:$_AND_ t:$_ANDNOT_ t:$_OR_ top/* %% %n t:* %i + + +# Convert everything to DFFSRs. + +design -load orig +dfflegalize -cell $_DFFSR_PPP_ 0 + +select -assert-count 3 dffsr0/t:$_NOT_ +select -assert-count 11 dffsr1/t:$_NOT_ +select -assert-count 3 dffsre0/t:$_NOT_ +select -assert-count 13 dffsre1/t:$_NOT_ +select -assert-count 0 dffsr0/t:$_MUX_ +select -assert-count 0 dffsr1/t:$_MUX_ +select -assert-count 5 dffsre0/t:$_MUX_ +select -assert-count 5 dffsre1/t:$_MUX_ +select -assert-count 4 dffsr0/t:$_DFFSR_PPP_ +select -assert-count 4 dffsr1/t:$_DFFSR_PPP_ +select -assert-count 5 dffsre0/t:$_DFFSR_PPP_ +select -assert-count 5 dffsre1/t:$_DFFSR_PPP_ +select -assert-count 1 dffsr1/t:$_AND_ +select -assert-count 2 dffsr1/t:$_ANDNOT_ +select -assert-count 1 dffsr1/t:$_OR_ +select -assert-count 1 dffsre1/t:$_AND_ +select -assert-count 3 dffsre1/t:$_ANDNOT_ +select -assert-count 1 dffsre1/t:$_OR_ +select -assert-count 0 t:$_AND_ t:$_OR_ t:$_ANDNOT_ %% dffsr1/* dffsre1/* %u %n %i +select -assert-none t:$_DFFSR_PPP_ t:$_MUX_ t:$_NOT_ t:$_AND_ t:$_ANDNOT_ t:$_OR_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFFSR_PPP_ 1 + +select -assert-count 11 dffsr0/t:$_NOT_ +select -assert-count 3 dffsr1/t:$_NOT_ +select -assert-count 13 dffsre0/t:$_NOT_ +select -assert-count 3 dffsre1/t:$_NOT_ +select -assert-count 0 dffsr0/t:$_MUX_ +select -assert-count 0 dffsr1j/t:$_MUX_ +select -assert-count 5 dffsre0/t:$_MUX_ +select -assert-count 5 dffsre1/t:$_MUX_ +select -assert-count 4 dffsr0/t:$_DFFSR_PPP_ +select -assert-count 4 dffsr1/t:$_DFFSR_PPP_ +select -assert-count 5 dffsre0/t:$_DFFSR_PPP_ +select -assert-count 5 dffsre1/t:$_DFFSR_PPP_ +select -assert-count 1 dffsr0/t:$_AND_ +select -assert-count 2 dffsr0/t:$_ANDNOT_ +select -assert-count 1 dffsr0/t:$_OR_ +select -assert-count 1 dffsre0/t:$_AND_ +select -assert-count 3 dffsre0/t:$_ANDNOT_ +select -assert-count 1 dffsre0/t:$_OR_ +select -assert-count 0 t:$_AND_ t:$_OR_ t:$_ANDNOT_ %% dffsr0/* dffsre0/* %u %n %i +select -assert-none t:$_DFFSR_PPP_ t:$_MUX_ t:$_NOT_ t:$_AND_ t:$_ANDNOT_ t:$_OR_ top/* %% %n t:* %i + + +# Convert everything to DFFSREs. + +design -load orig +dfflegalize -cell $_DFFSRE_PPPP_ 0 + +select -assert-count 3 dffsr0/t:$_NOT_ +select -assert-count 11 dffsr1/t:$_NOT_ +select -assert-count 4 dffsre0/t:$_NOT_ +select -assert-count 14 dffsre1/t:$_NOT_ +select -assert-count 4 dffsr0/t:$_DFFSRE_PPPP_ +select -assert-count 4 dffsr1/t:$_DFFSRE_PPPP_ +select -assert-count 5 dffsre0/t:$_DFFSRE_PPPP_ +select -assert-count 5 dffsre1/t:$_DFFSRE_PPPP_ +select -assert-count 1 dffsr1/t:$_AND_ +select -assert-count 2 dffsr1/t:$_ANDNOT_ +select -assert-count 1 dffsr1/t:$_OR_ +select -assert-count 1 dffsre1/t:$_AND_ +select -assert-count 3 dffsre1/t:$_ANDNOT_ +select -assert-count 1 dffsre1/t:$_OR_ +select -assert-count 0 t:$_AND_ t:$_OR_ t:$_ANDNOT_ %% dffsr1/* dffsre1/* %u %n %i +select -assert-none t:$_DFFSRE_PPPP_ t:$_NOT_ t:$_AND_ t:$_ANDNOT_ t:$_OR_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFFSRE_PPPP_ 1 + +select -assert-count 11 dffsr0/t:$_NOT_ +select -assert-count 3 dffsr1/t:$_NOT_ +select -assert-count 14 dffsre0/t:$_NOT_ +select -assert-count 4 dffsre1/t:$_NOT_ +select -assert-count 4 dffsr0/t:$_DFFSRE_PPPP_ +select -assert-count 4 dffsr1/t:$_DFFSRE_PPPP_ +select -assert-count 5 dffsre0/t:$_DFFSRE_PPPP_ +select -assert-count 5 dffsre1/t:$_DFFSRE_PPPP_ +select -assert-count 1 dffsr0/t:$_AND_ +select -assert-count 2 dffsr0/t:$_ANDNOT_ +select -assert-count 1 dffsr0/t:$_OR_ +select -assert-count 1 dffsre0/t:$_AND_ +select -assert-count 3 dffsre0/t:$_ANDNOT_ +select -assert-count 1 dffsre0/t:$_OR_ +select -assert-count 0 t:$_AND_ t:$_OR_ t:$_ANDNOT_ %% dffsr0/* dffsre0/* %u %n %i +select -assert-none t:$_DFFSRE_PPPP_ t:$_NOT_ t:$_AND_ t:$_ANDNOT_ t:$_OR_ top/* %% %n t:* %i diff --git a/tests/techmap/dfflegalize_dlatch.ys b/tests/techmap/dfflegalize_dlatch.ys new file mode 100644 index 000000000..8a5fad0da --- /dev/null +++ b/tests/techmap/dfflegalize_dlatch.ys @@ -0,0 +1,42 @@ +read_verilog -icells <<EOT + +module dlatch(input E, D, output [1:0] Q); +$_DLATCH_P_ ff0 (.E(E), .D(D), .Q(Q[0])); +$_DLATCH_N_ ff1 (.E(E), .D(D), .Q(Q[1])); +endmodule + +EOT + +design -save orig +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_P_ x +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP0_ x +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ x + +# Convert everything to DFFs. + +design -load orig +dfflegalize -cell $_DLATCH_P_ x + +select -assert-count 1 t:$_NOT_ +select -assert-count 2 t:$_DLATCH_P_ +select -assert-none t:$_DLATCH_P_ t:$_NOT_ %% %n t:* %i + + +# Convert everything to ADLATCHs. + +design -load orig +dfflegalize -cell $_DLATCH_PP0_ x + +select -assert-count 1 t:$_NOT_ +select -assert-count 2 t:$_DLATCH_PP0_ +select -assert-none t:$_DLATCH_PP0_ t:$_NOT_ %% %n t:* %i + + +# Convert everything to DLATCHSRs. + +design -load orig +dfflegalize -cell $_DLATCHSR_PPP_ x + +select -assert-count 1 t:$_NOT_ +select -assert-count 2 t:$_DLATCHSR_PPP_ +select -assert-none t:$_DLATCHSR_PPP_ t:$_NOT_ %% %n t:* %i diff --git a/tests/techmap/dfflegalize_dlatch_init.ys b/tests/techmap/dfflegalize_dlatch_init.ys new file mode 100644 index 000000000..3ec9d9b06 --- /dev/null +++ b/tests/techmap/dfflegalize_dlatch_init.ys @@ -0,0 +1,82 @@ +read_verilog -icells <<EOT + +module dlatch(input E, D, (* init = 2'h0 *) output [1:0] Q); +$_DLATCH_P_ ff0 (.E(E), .D(D), .Q(Q[0])); +$_DLATCH_N_ ff1 (.E(E), .D(D), .Q(Q[1])); +endmodule + +EOT + +design -save orig +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_P_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_P_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP0_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP0_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP1_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP1_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ 1 + +# Convert everything to DFFs. + +design -load orig +dfflegalize -cell $_DLATCH_P_ 0 + +select -assert-count 1 t:$_NOT_ +select -assert-count 2 t:$_DLATCH_P_ +select -assert-none t:$_DLATCH_P_ t:$_NOT_ %% %n t:* %i + +design -load orig +dfflegalize -cell $_DLATCH_P_ 1 + +select -assert-count 5 t:$_NOT_ +select -assert-count 2 t:$_DLATCH_P_ +select -assert-none t:$_DLATCH_P_ t:$_NOT_ %% %n t:* %i + + +# Convert everything to ADLATCHs. + +design -load orig +dfflegalize -cell $_DLATCH_PP0_ 0 + +select -assert-count 1 t:$_NOT_ +select -assert-count 2 t:$_DLATCH_PP0_ +select -assert-none t:$_DLATCH_PP0_ t:$_NOT_ %% %n t:* %i + +design -load orig +dfflegalize -cell $_DLATCH_PP0_ 1 + +select -assert-count 5 t:$_NOT_ +select -assert-count 2 t:$_DLATCH_PP0_ +select -assert-none t:$_DLATCH_PP0_ t:$_NOT_ %% %n t:* %i + +design -load orig +dfflegalize -cell $_DLATCH_PP1_ 0 + +select -assert-count 1 t:$_NOT_ +select -assert-count 2 t:$_DLATCH_PP1_ +select -assert-none t:$_DLATCH_PP1_ t:$_NOT_ %% %n t:* %i + +design -load orig +dfflegalize -cell $_DLATCH_PP1_ 1 + +select -assert-count 5 t:$_NOT_ +select -assert-count 2 t:$_DLATCH_PP1_ +select -assert-none t:$_DLATCH_PP1_ t:$_NOT_ %% %n t:* %i + + +# Convert everything to DLATCHSRs. + +design -load orig +dfflegalize -cell $_DLATCHSR_PPP_ 0 + +select -assert-count 1 t:$_NOT_ +select -assert-count 2 t:$_DLATCHSR_PPP_ +select -assert-none t:$_DLATCHSR_PPP_ t:$_NOT_ %% %n t:* %i + +design -load orig +dfflegalize -cell $_DLATCHSR_PPP_ 1 + +select -assert-count 5 t:$_NOT_ +select -assert-count 2 t:$_DLATCHSR_PPP_ +select -assert-none t:$_DLATCHSR_PPP_ t:$_NOT_ %% %n t:* %i diff --git a/tests/techmap/dfflegalize_dlatchsr.ys b/tests/techmap/dfflegalize_dlatchsr.ys new file mode 100644 index 000000000..3476c0372 --- /dev/null +++ b/tests/techmap/dfflegalize_dlatchsr.ys @@ -0,0 +1,37 @@ +read_verilog -icells <<EOT + +module dlatchsr(input E, R, S, D, output [3:0] Q); +$_DLATCHSR_PPP_ ff0 (.E(E), .R(R), .S(S), .D(D), .Q(Q[0])); +$_DLATCHSR_PPN_ ff1 (.E(E), .R(R), .S(S), .D(D), .Q(Q[1])); +$_DLATCHSR_PNP_ ff2 (.E(E), .R(R), .S(S), .D(D), .Q(Q[2])); +$_DLATCHSR_NPP_ ff3 (.E(E), .R(R), .S(S), .D(D), .Q(Q[3])); +endmodule + +EOT + +design -save orig +#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP0_ x -cell $_SR_PP_ x +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ x + + +# Convert everything to ADLATCHs. + +design -load orig +dfflegalize -cell $_DLATCH_PP0_ x -cell $_SR_PP_ x + +select -assert-count 14 t:$_NOT_ +select -assert-count 4 t:$_MUX_ +select -assert-count 8 t:$_DLATCH_PP0_ +select -assert-count 4 t:$_SR_PP_ +select -assert-none t:$_DLATCH_PP0_ t:$_SR_PP_ t:$_MUX_ t:$_NOT_ %% %n t:* %i + + +# Convert everything to DLATCHSRs. + +design -load orig +dfflegalize -cell $_DLATCHSR_PPP_ x + +select -assert-count 3 t:$_NOT_ +select -assert-count 0 t:$_MUX_ +select -assert-count 4 t:$_DLATCHSR_PPP_ +select -assert-none t:$_DLATCHSR_PPP_ t:$_MUX_ t:$_NOT_ %% %n t:* %i diff --git a/tests/techmap/dfflegalize_dlatchsr_init.ys b/tests/techmap/dfflegalize_dlatchsr_init.ys new file mode 100644 index 000000000..e922242d9 --- /dev/null +++ b/tests/techmap/dfflegalize_dlatchsr_init.ys @@ -0,0 +1,127 @@ +read_verilog -icells <<EOT + +module dlatchsr0(input E, R, S, D, (* init = 4'h0 *) output [3:0] Q); +$_DLATCHSR_PPP_ ff0 (.E(E), .R(R), .S(S), .D(D), .Q(Q[0])); +$_DLATCHSR_PPN_ ff1 (.E(E), .R(R), .S(S), .D(D), .Q(Q[1])); +$_DLATCHSR_PNP_ ff2 (.E(E), .R(R), .S(S), .D(D), .Q(Q[2])); +$_DLATCHSR_NPP_ ff3 (.E(E), .R(R), .S(S), .D(D), .Q(Q[3])); +endmodule + +module dlatchsr1(input E, R, S, D, (* init = 4'hf *) output [3:0] Q); +$_DLATCHSR_PPP_ ff0 (.E(E), .R(R), .S(S), .D(D), .Q(Q[0])); +$_DLATCHSR_PPN_ ff1 (.E(E), .R(R), .S(S), .D(D), .Q(Q[1])); +$_DLATCHSR_PNP_ ff2 (.E(E), .R(R), .S(S), .D(D), .Q(Q[2])); +$_DLATCHSR_NPP_ ff3 (.E(E), .R(R), .S(S), .D(D), .Q(Q[3])); +endmodule + +module top(input C, E, R, S, D, output [17:0] Q); +dlatchsr0 dlatchsr0_(.E(E), .R(R), .S(S), .D(D), .Q(Q[3:0])); +dlatchsr1 dlatchsr1_(.E(E), .R(R), .S(S), .D(D), .Q(Q[7:4])); +endmodule + +EOT + +design -save orig +flatten +#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP0_ 0 +#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP0_ 1 +#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP1_ 0 +#equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP1_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ 1 + + +# Convert everything to ADLATCHs. + +design -load orig +dfflegalize -cell $_DLATCH_PP0_ 0 + +select -assert-count 14 dlatchsr0/t:$_NOT_ +select -assert-count 18 dlatchsr1/t:$_NOT_ +select -assert-count 4 dlatchsr0/t:$_MUX_ +select -assert-count 4 dlatchsr1/t:$_MUX_ +select -assert-count 12 dlatchsr0/t:$_DLATCH_PP0_ +select -assert-count 12 dlatchsr1/t:$_DLATCH_PP0_ +select -assert-count 1 dlatchsr1/t:$_AND_ +select -assert-count 2 dlatchsr1/t:$_ANDNOT_ +select -assert-count 1 dlatchsr1/t:$_OR_ +select -assert-count 0 t:$_AND_ t:$_OR_ t:$_ANDNOT_ %% dlatchsr1/* %n %i +select -assert-none t:$_DLATCH_PP0_ t:$_MUX_ t:$_NOT_ t:$_AND_ t:$_ANDNOT_ t:$_OR_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DLATCH_PP0_ 1 + +select -assert-count 14 dlatchsr0/t:$_NOT_ +select -assert-count 18 dlatchsr1/t:$_NOT_ +select -assert-count 4 dlatchsr0/t:$_MUX_ +select -assert-count 4 dlatchsr1/t:$_MUX_ +select -assert-count 12 dlatchsr0/t:$_DLATCH_PP0_ +select -assert-count 12 dlatchsr1/t:$_DLATCH_PP0_ +select -assert-count 1 dlatchsr1/t:$_AND_ +select -assert-count 2 dlatchsr1/t:$_ANDNOT_ +select -assert-count 1 dlatchsr1/t:$_OR_ +select -assert-count 0 t:$_AND_ t:$_OR_ t:$_ANDNOT_ %% dlatchsr1/* %n %i +select -assert-none t:$_DLATCH_PP0_ t:$_MUX_ t:$_NOT_ t:$_AND_ t:$_ANDNOT_ t:$_OR_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DLATCH_PP1_ 0 + +select -assert-count 22 dlatchsr0/t:$_NOT_ +select -assert-count 26 dlatchsr1/t:$_NOT_ +select -assert-count 4 dlatchsr0/t:$_MUX_ +select -assert-count 4 dlatchsr1/t:$_MUX_ +select -assert-count 12 dlatchsr0/t:$_DLATCH_PP1_ +select -assert-count 12 dlatchsr1/t:$_DLATCH_PP1_ +select -assert-count 1 dlatchsr1/t:$_AND_ +select -assert-count 2 dlatchsr1/t:$_ANDNOT_ +select -assert-count 1 dlatchsr1/t:$_OR_ +select -assert-count 0 t:$_AND_ t:$_OR_ t:$_ANDNOT_ %% dlatchsr1/* %n %i +select -assert-none t:$_DLATCH_PP1_ t:$_MUX_ t:$_NOT_ t:$_AND_ t:$_ANDNOT_ t:$_OR_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DLATCH_PP1_ 1 + +select -assert-count 22 dlatchsr0/t:$_NOT_ +select -assert-count 26 dlatchsr1/t:$_NOT_ +select -assert-count 4 dlatchsr0/t:$_MUX_ +select -assert-count 4 dlatchsr1/t:$_MUX_ +select -assert-count 12 dlatchsr0/t:$_DLATCH_PP1_ +select -assert-count 12 dlatchsr1/t:$_DLATCH_PP1_ +select -assert-count 1 dlatchsr1/t:$_AND_ +select -assert-count 2 dlatchsr1/t:$_ANDNOT_ +select -assert-count 1 dlatchsr1/t:$_OR_ +select -assert-count 0 t:$_AND_ t:$_OR_ t:$_ANDNOT_ %% dlatchsr1/* %n %i +select -assert-none t:$_DLATCH_PP1_ t:$_MUX_ t:$_NOT_ t:$_AND_ t:$_ANDNOT_ t:$_OR_ top/* %% %n t:* %i + + +# Convert everything to DLATCHSRs. + +design -load orig +dfflegalize -cell $_DLATCHSR_PPP_ 0 + +select -assert-count 3 dlatchsr0/t:$_NOT_ +select -assert-count 11 dlatchsr1/t:$_NOT_ +select -assert-count 0 dlatchsr0/t:$_MUX_ +select -assert-count 0 dlatchsr1/t:$_MUX_ +select -assert-count 4 dlatchsr0/t:$_DLATCHSR_PPP_ +select -assert-count 4 dlatchsr1/t:$_DLATCHSR_PPP_ +select -assert-count 1 dlatchsr1/t:$_AND_ +select -assert-count 2 dlatchsr1/t:$_ANDNOT_ +select -assert-count 1 dlatchsr1/t:$_OR_ +select -assert-count 0 t:$_AND_ t:$_OR_ t:$_ANDNOT_ %% dlatchsr1/* %n %i +select -assert-none t:$_DLATCHSR_PPP_ t:$_MUX_ t:$_NOT_ t:$_AND_ t:$_ANDNOT_ t:$_OR_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DLATCHSR_PPP_ 1 + +select -assert-count 11 dlatchsr0/t:$_NOT_ +select -assert-count 3 dlatchsr1/t:$_NOT_ +select -assert-count 0 dlatchsr0/t:$_MUX_ +select -assert-count 0 dlatchsr1j/t:$_MUX_ +select -assert-count 4 dlatchsr0/t:$_DLATCHSR_PPP_ +select -assert-count 4 dlatchsr1/t:$_DLATCHSR_PPP_ +select -assert-count 1 dlatchsr0/t:$_AND_ +select -assert-count 2 dlatchsr0/t:$_ANDNOT_ +select -assert-count 1 dlatchsr0/t:$_OR_ +select -assert-count 0 t:$_AND_ t:$_OR_ t:$_ANDNOT_ %% dlatchsr0/* %n %i +select -assert-none t:$_DLATCHSR_PPP_ t:$_MUX_ t:$_NOT_ t:$_AND_ t:$_ANDNOT_ t:$_OR_ top/* %% %n t:* %i diff --git a/tests/techmap/dfflegalize_inv.ys b/tests/techmap/dfflegalize_inv.ys new file mode 100644 index 000000000..573393e7d --- /dev/null +++ b/tests/techmap/dfflegalize_inv.ys @@ -0,0 +1,178 @@ +# Base test: make sure inverters are applied correctly. + +read_verilog -icells <<EOT + +module top(input C, E, R, S, D, output [64:0] Q); + +$_DFF_P_ ff0 (.C(C), .D(D), .Q(Q[0])); +$_DFF_N_ ff1 (.C(C), .D(D), .Q(Q[1])); + +$_DFFE_PP_ ff2 (.C(C), .E(E), .D(D), .Q(Q[2])); +$_DFFE_PN_ ff3 (.C(C), .E(E), .D(D), .Q(Q[3])); +$_DFFE_NP_ ff4 (.C(C), .E(E), .D(D), .Q(Q[4])); + +$_DFF_PP0_ ff5 (.C(C), .R(R), .D(D), .Q(Q[5])); +$_DFF_PN0_ ff6 (.C(C), .R(R), .D(D), .Q(Q[6])); +$_DFF_NP0_ ff7 (.C(C), .R(R), .D(D), .Q(Q[7])); + +$_DFF_PP1_ ff8 (.C(C), .R(R), .D(D), .Q(Q[8])); +$_DFF_PN1_ ff9 (.C(C), .R(R), .D(D), .Q(Q[9])); +$_DFF_NP1_ ff10 (.C(C), .R(R), .D(D), .Q(Q[10])); + +$_DFFE_PP0P_ ff11 (.C(C), .R(R), .E(E), .D(D), .Q(Q[11])); +$_DFFE_PP0N_ ff12 (.C(C), .R(R), .E(E), .D(D), .Q(Q[12])); +$_DFFE_PN0P_ ff13 (.C(C), .R(R), .E(E), .D(D), .Q(Q[13])); +$_DFFE_NP0P_ ff14 (.C(C), .R(R), .E(E), .D(D), .Q(Q[14])); + +$_DFFE_PP1P_ ff15 (.C(C), .R(R), .E(E), .D(D), .Q(Q[15])); +$_DFFE_PP1N_ ff16 (.C(C), .R(R), .E(E), .D(D), .Q(Q[16])); +$_DFFE_PN1P_ ff17 (.C(C), .R(R), .E(E), .D(D), .Q(Q[17])); +$_DFFE_NP1P_ ff18 (.C(C), .R(R), .E(E), .D(D), .Q(Q[18])); + +$_DFFSR_PPP_ ff19 (.C(C), .R(R), .S(S), .D(D), .Q(Q[19])); +$_DFFSR_PPN_ ff20 (.C(C), .R(R), .S(S), .D(D), .Q(Q[20])); +$_DFFSR_PNP_ ff21 (.C(C), .R(R), .S(S), .D(D), .Q(Q[21])); +$_DFFSR_NPP_ ff22 (.C(C), .R(R), .S(S), .D(D), .Q(Q[22])); + +$_DFFSRE_PPPP_ ff23 (.C(C), .R(R), .S(S), .E(E), .D(D), .Q(Q[23])); +$_DFFSRE_PPPN_ ff24 (.C(C), .R(R), .S(S), .E(E), .D(D), .Q(Q[24])); +$_DFFSRE_PPNP_ ff25 (.C(C), .R(R), .S(S), .E(E), .D(D), .Q(Q[25])); +$_DFFSRE_PNPP_ ff26 (.C(C), .R(R), .S(S), .E(E), .D(D), .Q(Q[26])); +$_DFFSRE_NPPP_ ff27 (.C(C), .R(R), .S(S), .E(E), .D(D), .Q(Q[27])); + +$_SDFF_PP0_ ff28 (.C(C), .R(R), .D(D), .Q(Q[28])); +$_SDFF_PN0_ ff29 (.C(C), .R(R), .D(D), .Q(Q[29])); +$_SDFF_NP0_ ff30 (.C(C), .R(R), .D(D), .Q(Q[30])); + +$_SDFF_PP1_ ff31 (.C(C), .R(R), .D(D), .Q(Q[31])); +$_SDFF_PN1_ ff32 (.C(C), .R(R), .D(D), .Q(Q[32])); +$_SDFF_NP1_ ff33 (.C(C), .R(R), .D(D), .Q(Q[33])); + +$_SDFFE_PP0P_ ff34 (.C(C), .R(R), .E(E), .D(D), .Q(Q[34])); +$_SDFFE_PP0N_ ff35 (.C(C), .R(R), .E(E), .D(D), .Q(Q[35])); +$_SDFFE_PN0P_ ff36 (.C(C), .R(R), .E(E), .D(D), .Q(Q[36])); +$_SDFFE_NP0P_ ff37 (.C(C), .R(R), .E(E), .D(D), .Q(Q[37])); + +$_SDFFE_PP1P_ ff38 (.C(C), .R(R), .E(E), .D(D), .Q(Q[38])); +$_SDFFE_PP1N_ ff39 (.C(C), .R(R), .E(E), .D(D), .Q(Q[39])); +$_SDFFE_PN1P_ ff40 (.C(C), .R(R), .E(E), .D(D), .Q(Q[40])); +$_SDFFE_NP1P_ ff41 (.C(C), .R(R), .E(E), .D(D), .Q(Q[41])); + +$_SDFFCE_PP0P_ ff42 (.C(C), .R(R), .E(E), .D(D), .Q(Q[42])); +$_SDFFCE_PP0N_ ff43 (.C(C), .R(R), .E(E), .D(D), .Q(Q[43])); +$_SDFFCE_PN0P_ ff44 (.C(C), .R(R), .E(E), .D(D), .Q(Q[44])); +$_SDFFCE_NP0P_ ff45 (.C(C), .R(R), .E(E), .D(D), .Q(Q[45])); + +$_SDFFCE_PP1P_ ff46 (.C(C), .R(R), .E(E), .D(D), .Q(Q[46])); +$_SDFFCE_PP1N_ ff47 (.C(C), .R(R), .E(E), .D(D), .Q(Q[47])); +$_SDFFCE_PN1P_ ff48 (.C(C), .R(R), .E(E), .D(D), .Q(Q[48])); +$_SDFFCE_NP1P_ ff49 (.C(C), .R(R), .E(E), .D(D), .Q(Q[49])); + +$_DLATCH_P_ ff50 (.E(E), .D(D), .Q(Q[50])); +$_DLATCH_N_ ff51 (.E(E), .D(D), .Q(Q[51])); + +$_DLATCH_PP0_ ff52 (.E(E), .R(R), .D(D), .Q(Q[52])); +$_DLATCH_PN0_ ff53 (.E(E), .R(R), .D(D), .Q(Q[53])); +$_DLATCH_NP0_ ff54 (.E(E), .R(R), .D(D), .Q(Q[54])); + +$_DLATCH_PP1_ ff55 (.E(E), .R(R), .D(D), .Q(Q[55])); +$_DLATCH_PN1_ ff56 (.E(E), .R(R), .D(D), .Q(Q[56])); +$_DLATCH_NP1_ ff57 (.E(E), .R(R), .D(D), .Q(Q[57])); + +$_DLATCHSR_PPP_ ff58 (.E(E), .R(R), .S(S), .D(D), .Q(Q[58])); +$_DLATCHSR_PPN_ ff59 (.E(E), .R(R), .S(S), .D(D), .Q(Q[59])); +$_DLATCHSR_PNP_ ff60 (.E(E), .R(R), .S(S), .D(D), .Q(Q[60])); +$_DLATCHSR_NPP_ ff61 (.E(E), .R(R), .S(S), .D(D), .Q(Q[61])); + +$_SR_PP_ ff62 (.R(R), .S(S), .Q(Q[62])); +$_SR_PN_ ff63 (.R(R), .S(S), .Q(Q[63])); +$_SR_NP_ ff64 (.R(R), .S(S), .Q(Q[64])); + +endmodule + +EOT + +design -save orig + +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFF_P_ x -cell $_DFFE_PP_ x -cell $_DFF_PP?_ x -cell $_DFFE_PP?P_ x -cell $_DFFSR_PPP_ x -cell $_DFFSRE_PPPP_ x -cell $_SDFF_PP?_ x -cell $_SDFFE_PP?P_ x -cell $_SDFFCE_PP?P_ x -cell $_DLATCH_P_ x -cell $_DLATCH_PP?_ x -cell $_DLATCHSR_PPP_ x -cell $_SR_PP_ x +design -load postopt + +select -assert-count 46 t:$_NOT_ +select -assert-count 2 t:$_DFF_P_ +select -assert-count 3 t:$_DFFE_PP_ +select -assert-count 3 t:$_DFF_PP0_ +select -assert-count 3 t:$_DFF_PP1_ +select -assert-count 4 t:$_DFFE_PP0P_ +select -assert-count 4 t:$_DFFE_PP1P_ +select -assert-count 4 t:$_DFFSR_PPP_ +select -assert-count 5 t:$_DFFSRE_PPPP_ +select -assert-count 3 t:$_SDFF_PP0_ +select -assert-count 3 t:$_SDFF_PP1_ +select -assert-count 4 t:$_SDFFE_PP0P_ +select -assert-count 4 t:$_SDFFE_PP1P_ +select -assert-count 4 t:$_SDFFCE_PP0P_ +select -assert-count 4 t:$_SDFFCE_PP1P_ +select -assert-count 2 t:$_DLATCH_P_ +select -assert-count 3 t:$_DLATCH_PP0_ +select -assert-count 3 t:$_DLATCH_PP1_ +select -assert-count 4 t:$_DLATCHSR_PPP_ +select -assert-count 3 t:$_SR_PP_ +select -assert-none t:$_DFF_P_ t:$_DFFE_PP_ t:$_DFF_PP?_ t:$_DFFE_PP?P_ t:$_DFFSR_PPP_ t:$_DFFSRE_PPPP_ t:$_SDFF_PP?_ t:$_SDFFE_PP?P_ t:$_SDFFCE_PP?P_ t:$_DLATCH_P_ t:$_DLATCH_PP?_ t:$_DLATCHSR_PPP_ t:$_SR_PP_ t:$_NOT_ %% %n t:* %i + +# Now try it again, targetting the opposite cells. + +design -load orig + +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFF_N_ x -cell $_DFFE_NN_ x -cell $_DFF_NN?_ x -cell $_DFFE_NN?N_ x -cell $_DFFSR_NNN_ x -cell $_DFFSRE_NNNN_ x -cell $_SDFF_NN?_ x -cell $_SDFFE_NN?N_ x -cell $_SDFFCE_NN?N_ x -cell $_DLATCH_N_ x -cell $_DLATCH_NN?_ x -cell $_DLATCHSR_NNN_ x -cell $_SR_NN_ x +design -load postopt + +select -assert-count 122 t:$_NOT_ +select -assert-count 2 t:$_DFF_N_ +select -assert-count 3 t:$_DFFE_NN_ +select -assert-count 3 t:$_DFF_NN0_ +select -assert-count 3 t:$_DFF_NN1_ +select -assert-count 4 t:$_DFFE_NN0N_ +select -assert-count 4 t:$_DFFE_NN1N_ +select -assert-count 4 t:$_DFFSR_NNN_ +select -assert-count 5 t:$_DFFSRE_NNNN_ +select -assert-count 3 t:$_SDFF_NN0_ +select -assert-count 3 t:$_SDFF_NN1_ +select -assert-count 4 t:$_SDFFE_NN0N_ +select -assert-count 4 t:$_SDFFE_NN1N_ +select -assert-count 4 t:$_SDFFCE_NN0N_ +select -assert-count 4 t:$_SDFFCE_NN1N_ +select -assert-count 2 t:$_DLATCH_N_ +select -assert-count 3 t:$_DLATCH_NN0_ +select -assert-count 3 t:$_DLATCH_NN1_ +select -assert-count 4 t:$_DLATCHSR_NNN_ +select -assert-count 3 t:$_SR_NN_ +select -assert-none t:$_DFF_N_ t:$_DFFE_NN_ t:$_DFF_NN?_ t:$_DFFE_NN?N_ t:$_DFFSR_NNN_ t:$_DFFSRE_NNNN_ t:$_SDFF_NN?_ t:$_SDFFE_NN?N_ t:$_SDFFCE_NN?N_ t:$_DLATCH_N_ t:$_DLATCH_NN?_ t:$_DLATCHSR_NNN_ t:$_SR_NN_ t:$_NOT_ %% %n t:* %i + + +# Second test: make sure set/reset/enable are inverted before clock. + +design -reset + +read_verilog -icells <<EOT + +module top(input C, E, R, S, D, output [3:0] Q); + +$_DFFSRE_PPPP_ ff0 (.C(C), .E(E), .R(R), .S(S), .D(D), .Q(Q[0])); +$_DFFSRE_NPPP_ ff1 (.C(C), .E(E), .R(R), .S(S), .D(D), .Q(Q[1])); +$_DFFSRE_PNNN_ ff2 (.C(C), .E(E), .R(R), .S(S), .D(D), .Q(Q[2])); +$_DFFSRE_NNNN_ ff3 (.C(C), .E(E), .R(R), .S(S), .D(D), .Q(Q[3])); + +endmodule + +EOT + +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_NNNN_ x -cell $_DFFSRE_PPPP_ x +design -load postopt + +select -assert-count 6 t:$_NOT_ +select -assert-count 2 t:$_DFFSRE_PPPP_ +select -assert-count 2 t:$_DFFSRE_NNNN_ +select -assert-count 1 t:$_DFFSRE_PPPP_ n:ff0 %i +select -assert-count 1 t:$_DFFSRE_NNNN_ n:ff1 %i +select -assert-count 1 t:$_DFFSRE_PPPP_ n:ff2 %i +select -assert-count 1 t:$_DFFSRE_NNNN_ n:ff3 %i diff --git a/tests/techmap/dfflegalize_mince.ys b/tests/techmap/dfflegalize_mince.ys new file mode 100644 index 000000000..75069541b --- /dev/null +++ b/tests/techmap/dfflegalize_mince.ys @@ -0,0 +1,53 @@ +read_verilog -icells <<EOT + +module top(input D, C, R, S, input [4:0] E, output [15:0] Q); +$_DFFE_PP_ ff0(.D(D), .C(C), .E(E[0]), .Q(Q[0])); +$_DFFE_PP0P_ ff1(.D(D), .C(C), .E(E[0]), .R(R), .Q(Q[1])); +$_DFFE_PP1P_ ff2(.D(D), .C(C), .E(E[0]), .R(R), .Q(Q[2])); +$_SDFFE_PP0P_ ff3(.D(D), .C(C), .E(E[0]), .R(R), .Q(Q[3])); +$_SDFFE_PP1P_ ff4(.D(D), .C(C), .E(E[0]), .R(R), .Q(Q[4])); +$_SDFFCE_PP0P_ ff5(.D(D), .C(C), .E(E[0]), .R(R), .Q(Q[5])); +$_SDFFCE_PP1P_ ff6(.D(D), .C(C), .E(E[0]), .R(R), .Q(Q[6])); +$_DFFSRE_PPPP_ ff7(.D(D), .C(C), .E(E[0]), .R(R), .S(S), .Q(Q[7])); +$_DFFE_PP_ ff8(.D(D), .C(C), .E(E[1]), .Q(Q[8])); +$_DFFE_PP0P_ ff9(.D(D), .C(C), .E(E[1]), .R(R), .Q(Q[9])); +$_DFFE_PP1P_ ff10(.D(D), .C(C), .E(E[2]), .R(R), .Q(Q[10])); +$_SDFFE_PP0P_ ff11(.D(D), .C(C), .E(E[2]), .R(R), .Q(Q[11])); +$_SDFFE_PP1P_ ff12(.D(D), .C(C), .E(E[3]), .R(R), .Q(Q[12])); +$_SDFFCE_PP0P_ ff13(.D(D), .C(C), .E(E[3]), .R(R), .Q(Q[13])); +$_SDFFCE_PP1P_ ff14(.D(D), .C(C), .E(E[4]), .R(R), .Q(Q[14])); +$_DFFSRE_PPPP_ ff15(.D(D), .C(C), .E(E[4]), .R(R), .S(S), .Q(Q[15])); +endmodule + +EOT + +design -save orig +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFE_PP_ x -cell $_DFFE_PP?P_ x -cell $_DFFSRE_PPPP_ x -cell $_SDFFE_PP?P_ x -cell $_SDFFCE_PP?P_ x -mince 3 +design -load postopt + +select -assert-count 4 t:$_DFFE_PP_ +select -assert-count 2 t:$_DFFE_PP0P_ +select -assert-count 2 t:$_DFFE_PP1P_ +select -assert-count 2 t:$_SDFFE_PP0P_ +select -assert-count 2 t:$_SDFFE_PP1P_ +select -assert-count 1 t:$_SDFFCE_PP0P_ +select -assert-count 1 t:$_SDFFCE_PP1P_ +select -assert-count 2 t:$_DFFSRE_PPPP_ +select -assert-count 10 t:$_MUX_ +select -assert-count 0 n:ff0 %ci %ci t:$_MUX_ %i +select -assert-count 0 n:ff1 %ci %ci t:$_MUX_ %i +select -assert-count 0 n:ff2 %ci %ci t:$_MUX_ %i +select -assert-count 0 n:ff3 %ci %ci t:$_MUX_ %i +select -assert-count 0 n:ff4 %ci %ci t:$_MUX_ %i +select -assert-count 0 n:ff5 %ci %ci t:$_MUX_ %i +select -assert-count 0 n:ff6 %ci %ci t:$_MUX_ %i +select -assert-count 0 n:ff7 %ci %ci t:$_MUX_ %i +select -assert-count 1 n:ff8 %ci %ci t:$_MUX_ %i +select -assert-count 1 n:ff9 %ci %ci t:$_MUX_ %i +select -assert-count 1 n:ff10 %ci %ci t:$_MUX_ %i +select -assert-count 1 n:ff11 %ci %ci t:$_MUX_ %i +select -assert-count 1 n:ff12 %ci %ci t:$_MUX_ %i +select -assert-count 1 n:ff13 %ci %ci t:$_MUX_ %i +select -assert-count 1 n:ff14 %ci %ci t:$_MUX_ %i +select -assert-count 1 n:ff15 %ci %ci t:$_MUX_ %i +select -assert-none n:ff* t:$_MUX_ %% %n t:* %i diff --git a/tests/techmap/dfflegalize_minsrst.ys b/tests/techmap/dfflegalize_minsrst.ys new file mode 100644 index 000000000..b9bc3f1b9 --- /dev/null +++ b/tests/techmap/dfflegalize_minsrst.ys @@ -0,0 +1,43 @@ +read_verilog -icells <<EOT + +module top(input D, C, E, input [3:0] R, output [11:0] Q); +$_SDFF_PP0_ ff0(.D(D), .C(C), .R(R[0]), .Q(Q[0])); +$_SDFF_PP1_ ff1(.D(D), .C(C), .R(R[0]), .Q(Q[1])); +$_SDFFE_PP0P_ ff2(.D(D), .C(C), .R(R[0]), .E(E), .Q(Q[2])); +$_SDFFE_PP1P_ ff3(.D(D), .C(C), .R(R[0]), .E(E), .Q(Q[3])); +$_SDFFCE_PP0P_ ff4(.D(D), .C(C), .R(R[0]), .E(E), .Q(Q[4])); +$_SDFFCE_PP1P_ ff5(.D(D), .C(C), .R(R[0]), .E(E), .Q(Q[5])); +$_SDFF_PP0_ ff6(.D(D), .C(C), .R(R[1]), .Q(Q[6])); +$_SDFF_PP1_ ff7(.D(D), .C(C), .R(R[1]), .Q(Q[7])); +$_SDFFE_PP0P_ ff8(.D(D), .C(C), .R(R[2]), .E(E), .Q(Q[8])); +$_SDFFE_PP1P_ ff9(.D(D), .C(C), .R(R[2]), .E(E), .Q(Q[9])); +$_SDFFCE_PP0P_ ff10(.D(D), .C(C), .R(R[3]), .E(E), .Q(Q[10])); +$_SDFFCE_PP1P_ ff11(.D(D), .C(C), .R(R[3]), .E(E), .Q(Q[11])); +endmodule + +EOT + +design -save orig +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SDFF_PP?_ x -cell $_SDFFE_PP?P_ x -cell $_SDFFCE_PP?P_ x -minsrst 3 +design -load postopt + +select -assert-count 5 t:$_SDFF_PP0_ +select -assert-count 1 t:$_SDFF_PP1_ +select -assert-count 3 t:$_SDFFE_PP0P_ +select -assert-count 1 t:$_SDFFE_PP1P_ +select -assert-count 1 t:$_SDFFCE_PP0P_ +select -assert-count 1 t:$_SDFFCE_PP1P_ +select -assert-count 8 t:$_MUX_ +select -assert-count 0 n:ff0 %ci %ci t:$_MUX_ %i +select -assert-count 0 n:ff1 %ci %ci t:$_MUX_ %i +select -assert-count 0 n:ff2 %ci %ci t:$_MUX_ %i +select -assert-count 0 n:ff3 %ci %ci t:$_MUX_ %i +select -assert-count 0 n:ff4 %ci %ci t:$_MUX_ %i +select -assert-count 0 n:ff5 %ci %ci t:$_MUX_ %i +select -assert-count 1 n:ff6 %ci %ci t:$_MUX_ %i +select -assert-count 1 n:ff7 %ci %ci t:$_MUX_ %i +select -assert-count 1 n:ff8 %ci %ci t:$_MUX_ %i +select -assert-count 1 n:ff9 %ci %ci t:$_MUX_ %i +select -assert-count 1 n:ff10 %ci %ci t:$_MUX_ %i +select -assert-count 1 n:ff11 %ci %ci t:$_MUX_ %i +select -assert-none n:ff* t:$_MUX_ %% %n t:* %i diff --git a/tests/techmap/dfflegalize_sr.ys b/tests/techmap/dfflegalize_sr.ys new file mode 100644 index 000000000..a75068ae0 --- /dev/null +++ b/tests/techmap/dfflegalize_sr.ys @@ -0,0 +1,74 @@ +read_verilog -icells <<EOT + +module sr(input R, S, output [2:0] Q); +$_SR_PP_ ff0 (.R(R), .S(S), .Q(Q[0])); +$_SR_PN_ ff1 (.R(R), .S(S), .Q(Q[1])); +$_SR_NP_ ff2 (.R(R), .S(S), .Q(Q[2])); +endmodule + +EOT + +design -save orig +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SR_PP_ x +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP0_ x +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP1_ x +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ x +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ x +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ x + + +# Convert everything to SRs. + +design -load orig +dfflegalize -cell $_SR_PP_ x + +select -assert-count 2 t:$_NOT_ +select -assert-count 3 t:$_SR_PP_ +select -assert-none t:$_SR_PP_ t:$_NOT_ %% %n t:* %i + + +# Convert everything to ADLATCHs. + +design -load orig +dfflegalize -cell $_DLATCH_PP0_ x + +select -assert-count 2 t:$_NOT_ +select -assert-count 3 t:$_DLATCH_PP0_ +select -assert-none t:$_DLATCH_PP0_ t:$_NOT_ %% %n t:* %i + +design -load orig +dfflegalize -cell $_DLATCH_PP1_ x + +select -assert-count 8 t:$_NOT_ +select -assert-count 3 t:$_DLATCH_PP1_ +select -assert-none t:$_DLATCH_PP1_ t:$_NOT_ %% %n t:* %i + + +# Convert everything to DLATCHSRs. + +design -load orig +dfflegalize -cell $_DLATCHSR_PPP_ x + +select -assert-count 2 t:$_NOT_ +select -assert-count 3 t:$_DLATCHSR_PPP_ +select -assert-none t:$_DLATCHSR_PPP_ t:$_NOT_ %% %n t:* %i + + +# Convert everything to DFFSRs. + +design -load orig +dfflegalize -cell $_DFFSR_PPP_ x + +select -assert-count 2 t:$_NOT_ +select -assert-count 3 t:$_DFFSR_PPP_ +select -assert-none t:$_DFFSR_PPP_ t:$_NOT_ %% %n t:* %i + + +# Convert everything to DFFSREs. + +design -load orig +dfflegalize -cell $_DFFSRE_PPPP_ x + +select -assert-count 2 t:$_NOT_ +select -assert-count 3 t:$_DFFSRE_PPPP_ +select -assert-none t:$_DFFSRE_PPPP_ t:$_NOT_ %% %n t:* %i diff --git a/tests/techmap/dfflegalize_sr_init.ys b/tests/techmap/dfflegalize_sr_init.ys new file mode 100644 index 000000000..39bfdcdcf --- /dev/null +++ b/tests/techmap/dfflegalize_sr_init.ys @@ -0,0 +1,230 @@ +read_verilog -icells <<EOT + +module sr0(input R, S, (* init = 3'h0 *) output [2:0] Q); +$_SR_PP_ ff0 (.R(R), .S(S), .Q(Q[0])); +$_SR_PN_ ff1 (.R(R), .S(S), .Q(Q[1])); +$_SR_NP_ ff2 (.R(R), .S(S), .Q(Q[2])); +endmodule + +module sr1(input R, S, (* init = 3'h7 *) output [2:0] Q); +$_SR_PP_ ff0 (.R(R), .S(S), .Q(Q[0])); +$_SR_PN_ ff1 (.R(R), .S(S), .Q(Q[1])); +$_SR_NP_ ff2 (.R(R), .S(S), .Q(Q[2])); +endmodule + +module top(input C, E, R, D, output [5:0] Q); +sr0 sr0_(.S(S), .R(R), .Q(Q[2:0])); +sr1 sr1_(.S(S), .R(R), .Q(Q[5:3])); +endmodule + +EOT + +design -save orig +flatten +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SR_PP_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_SR_PP_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP0_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP0_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP1_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCH_PP1_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DLATCHSR_PPP_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSR_PPP_ 1 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ 0 +equiv_opt -assert -multiclock -map +/simcells.v dfflegalize -cell $_DFFSRE_PPPP_ 1 + + +# Convert everything to SRs. + +design -load orig +dfflegalize -cell $_SR_PP_ 0 + +select -assert-count 2 sr0/t:$_NOT_ +select -assert-count 5 sr1/t:$_NOT_ +select -assert-count 3 sr0/t:$_SR_PP_ +select -assert-count 3 sr1/t:$_SR_PP_ +select -assert-count 0 sr0/t:$_ANDNOT_ +select -assert-count 1 sr1/t:$_ANDNOT_ +select -assert-count 0 sr0/t:$_AND_ +select -assert-count 1 sr1/t:$_AND_ +select -assert-count 0 sr0/t:$_OR_ +select -assert-count 1 sr1/t:$_OR_ +select -assert-none t:$_SR_PP_ t:$_NOT_ t:$_ANDNOT_ t:$_OR_ t:$_AND_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_SR_PP_ 1 + +select -assert-count 5 sr0/t:$_NOT_ +select -assert-count 2 sr1/t:$_NOT_ +select -assert-count 3 sr0/t:$_SR_PP_ +select -assert-count 3 sr1/t:$_SR_PP_ +select -assert-count 1 sr0/t:$_ANDNOT_ +select -assert-count 0 sr1/t:$_ANDNOT_ +select -assert-count 1 sr0/t:$_AND_ +select -assert-count 0 sr1/t:$_AND_ +select -assert-count 1 sr0/t:$_OR_ +select -assert-count 0 sr1/t:$_OR_ +select -assert-none t:$_SR_PP_ t:$_NOT_ t:$_ANDNOT_ t:$_OR_ t:$_AND_ top/* %% %n t:* %i + + +# Convert everything to ADLATCHs. + +design -load orig +dfflegalize -cell $_DLATCH_PP0_ 0 + +select -assert-count 2 sr0/t:$_NOT_ +select -assert-count 5 sr1/t:$_NOT_ +select -assert-count 3 sr0/t:$_DLATCH_PP0_ +select -assert-count 3 sr1/t:$_DLATCH_PP0_ +select -assert-count 0 sr0/t:$_ANDNOT_ +select -assert-count 1 sr1/t:$_ANDNOT_ +select -assert-count 0 sr0/t:$_AND_ +select -assert-count 1 sr1/t:$_AND_ +select -assert-count 0 sr0/t:$_OR_ +select -assert-count 1 sr1/t:$_OR_ +select -assert-none t:$_DLATCH_PP0_ t:$_NOT_ t:$_ANDNOT_ t:$_OR_ t:$_AND_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DLATCH_PP0_ 1 + +select -assert-count 5 sr0/t:$_NOT_ +select -assert-count 2 sr1/t:$_NOT_ +select -assert-count 3 sr0/t:$_DLATCH_PP0_ +select -assert-count 3 sr1/t:$_DLATCH_PP0_ +select -assert-count 1 sr0/t:$_ANDNOT_ +select -assert-count 0 sr1/t:$_ANDNOT_ +select -assert-count 1 sr0/t:$_AND_ +select -assert-count 0 sr1/t:$_AND_ +select -assert-count 1 sr0/t:$_OR_ +select -assert-count 0 sr1/t:$_OR_ +select -assert-none t:$_DLATCH_PP0_ t:$_NOT_ t:$_ANDNOT_ t:$_OR_ t:$_AND_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DLATCH_PP1_ 0 + +select -assert-count 11 sr0/t:$_NOT_ +select -assert-count 8 sr1/t:$_NOT_ +select -assert-count 3 sr0/t:$_DLATCH_PP1_ +select -assert-count 3 sr1/t:$_DLATCH_PP1_ +select -assert-count 1 sr0/t:$_ANDNOT_ +select -assert-count 0 sr1/t:$_ANDNOT_ +select -assert-count 1 sr0/t:$_AND_ +select -assert-count 0 sr1/t:$_AND_ +select -assert-count 1 sr0/t:$_OR_ +select -assert-count 0 sr1/t:$_OR_ +select -assert-none t:$_DLATCH_PP1_ t:$_NOT_ t:$_ANDNOT_ t:$_OR_ t:$_AND_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DLATCH_PP1_ 1 + +select -assert-count 8 sr0/t:$_NOT_ +select -assert-count 11 sr1/t:$_NOT_ +select -assert-count 3 sr0/t:$_DLATCH_PP1_ +select -assert-count 3 sr1/t:$_DLATCH_PP1_ +select -assert-count 0 sr0/t:$_ANDNOT_ +select -assert-count 1 sr1/t:$_ANDNOT_ +select -assert-count 0 sr0/t:$_AND_ +select -assert-count 1 sr1/t:$_AND_ +select -assert-count 0 sr0/t:$_OR_ +select -assert-count 1 sr1/t:$_OR_ +select -assert-none t:$_DLATCH_PP1_ t:$_NOT_ t:$_ANDNOT_ t:$_OR_ t:$_AND_ top/* %% %n t:* %i + + +# Convert everything to DLATCHSRs. + +design -load orig +dfflegalize -cell $_DLATCHSR_PPP_ 0 + +select -assert-count 2 sr0/t:$_NOT_ +select -assert-count 5 sr1/t:$_NOT_ +select -assert-count 3 sr0/t:$_DLATCHSR_PPP_ +select -assert-count 3 sr1/t:$_DLATCHSR_PPP_ +select -assert-count 0 sr0/t:$_ANDNOT_ +select -assert-count 1 sr1/t:$_ANDNOT_ +select -assert-count 0 sr0/t:$_AND_ +select -assert-count 1 sr1/t:$_AND_ +select -assert-count 0 sr0/t:$_OR_ +select -assert-count 1 sr1/t:$_OR_ +select -assert-none t:$_DLATCHSR_PPP_ t:$_NOT_ t:$_ANDNOT_ t:$_OR_ t:$_AND_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DLATCHSR_PPP_ 1 + +select -assert-count 5 sr0/t:$_NOT_ +select -assert-count 2 sr1/t:$_NOT_ +select -assert-count 3 sr0/t:$_DLATCHSR_PPP_ +select -assert-count 3 sr1/t:$_DLATCHSR_PPP_ +select -assert-count 1 sr0/t:$_ANDNOT_ +select -assert-count 0 sr1/t:$_ANDNOT_ +select -assert-count 1 sr0/t:$_AND_ +select -assert-count 0 sr1/t:$_AND_ +select -assert-count 1 sr0/t:$_OR_ +select -assert-count 0 sr1/t:$_OR_ +select -assert-none t:$_DLATCHSR_PPP_ t:$_NOT_ t:$_ANDNOT_ t:$_OR_ t:$_AND_ top/* %% %n t:* %i + + +# Convert everything to DFFSRs. + +design -load orig +dfflegalize -cell $_DFFSR_PPP_ 0 + +select -assert-count 2 sr0/t:$_NOT_ +select -assert-count 5 sr1/t:$_NOT_ +select -assert-count 3 sr0/t:$_DFFSR_PPP_ +select -assert-count 3 sr1/t:$_DFFSR_PPP_ +select -assert-count 0 sr0/t:$_ANDNOT_ +select -assert-count 1 sr1/t:$_ANDNOT_ +select -assert-count 0 sr0/t:$_AND_ +select -assert-count 1 sr1/t:$_AND_ +select -assert-count 0 sr0/t:$_OR_ +select -assert-count 1 sr1/t:$_OR_ +select -assert-none t:$_DFFSR_PPP_ t:$_NOT_ t:$_ANDNOT_ t:$_OR_ t:$_AND_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFFSR_PPP_ 1 + +select -assert-count 5 sr0/t:$_NOT_ +select -assert-count 2 sr1/t:$_NOT_ +select -assert-count 3 sr0/t:$_DFFSR_PPP_ +select -assert-count 3 sr1/t:$_DFFSR_PPP_ +select -assert-count 1 sr0/t:$_ANDNOT_ +select -assert-count 0 sr1/t:$_ANDNOT_ +select -assert-count 1 sr0/t:$_AND_ +select -assert-count 0 sr1/t:$_AND_ +select -assert-count 1 sr0/t:$_OR_ +select -assert-count 0 sr1/t:$_OR_ +select -assert-none t:$_DFFSR_PPP_ t:$_NOT_ t:$_ANDNOT_ t:$_OR_ t:$_AND_ top/* %% %n t:* %i + + +# Convert everything to DFFSREs. + +design -load orig +dfflegalize -cell $_DFFSRE_PPPP_ 0 + +select -assert-count 2 sr0/t:$_NOT_ +select -assert-count 5 sr1/t:$_NOT_ +select -assert-count 3 sr0/t:$_DFFSRE_PPPP_ +select -assert-count 3 sr1/t:$_DFFSRE_PPPP_ +select -assert-count 0 sr0/t:$_ANDNOT_ +select -assert-count 1 sr1/t:$_ANDNOT_ +select -assert-count 0 sr0/t:$_AND_ +select -assert-count 1 sr1/t:$_AND_ +select -assert-count 0 sr0/t:$_OR_ +select -assert-count 1 sr1/t:$_OR_ +select -assert-none t:$_DFFSRE_PPPP_ t:$_NOT_ t:$_ANDNOT_ t:$_OR_ t:$_AND_ top/* %% %n t:* %i + +design -load orig +dfflegalize -cell $_DFFSRE_PPPP_ 1 + +select -assert-count 5 sr0/t:$_NOT_ +select -assert-count 2 sr1/t:$_NOT_ +select -assert-count 3 sr0/t:$_DFFSRE_PPPP_ +select -assert-count 3 sr1/t:$_DFFSRE_PPPP_ +select -assert-count 1 sr0/t:$_ANDNOT_ +select -assert-count 0 sr1/t:$_ANDNOT_ +select -assert-count 1 sr0/t:$_AND_ +select -assert-count 0 sr1/t:$_AND_ +select -assert-count 1 sr0/t:$_OR_ +select -assert-count 0 sr1/t:$_OR_ +select -assert-none t:$_DFFSRE_PPPP_ t:$_NOT_ t:$_ANDNOT_ t:$_OR_ t:$_AND_ top/* %% %n t:* %i |