diff options
43 files changed, 475 insertions, 259 deletions
@@ -15,6 +15,10 @@ Yosys 0.9 .. Yosys 0.9-dev - Added "script -scriptwire - "synth_xilinx" to now infer wide multiplexers (-widemux <min> to enable) - Added automatic gzip decompression for frontends + - Added $_NMUX_ cell type + - Added automatic gzip compression (based on filename extension) for backends + - Improve attribute and parameter encoding in JSON to avoid ambiguities between + bit vectors and strings containing [01xz]* Yosys 0.8 .. Yosys 0.8-dev -------------------------- @@ -261,7 +261,8 @@ CXXFLAGS := $(filter-out -fPIC,$(CXXFLAGS)) LDFLAGS := $(filter-out -rdynamic,$(LDFLAGS)) -s LDLIBS := $(filter-out -lrt,$(LDLIBS)) ABCMKARGS += ARCHFLAGS="-DWIN32_NO_DLL -DHAVE_STRUCT_TIMESPEC -fpermissive -w" -ABCMKARGS += LIBS="lib/x86/pthreadVC2.lib -s" ABC_USE_NO_READLINE=1 CC="/usr/local/src/mxe/usr/bin/i686-w64-mingw32.static-gcc" +# TODO: Try to solve pthread linking issue in more appropriate way +ABCMKARGS += LIBS="lib/x86/pthreadVC2.lib -s" LDFLAGS="-Wl,--allow-multiple-definition" ABC_USE_NO_READLINE=1 CC="/usr/local/src/mxe/usr/bin/i686-w64-mingw32.static-gcc" EXE = .exe else ifeq ($(CONFIG),msys2) @@ -401,7 +402,7 @@ endif ifeq ($(CONFIG),mxe) CXXFLAGS += -DYOSYS_ENABLE_TCL -LDLIBS += -ltcl86 -lwsock32 -lws2_32 -lnetapi32 -lz +LDLIBS += -ltcl86 -lwsock32 -lws2_32 -lnetapi32 -lz -luserenv else CXXFLAGS += $(shell PKG_CONFIG_PATH=$(PKG_CONFIG_PATH) $(PKG_CONFIG) --silence-errors --cflags tcl || echo -I$(TCL_INCLUDE)) -DYOSYS_ENABLE_TCL ifeq ($(OS), FreeBSD) @@ -869,9 +870,11 @@ config-mxe: clean config-msys2: clean echo 'CONFIG := msys2' > Makefile.conf + echo 'ENABLE_PLUGINS := 0' >> Makefile.conf config-msys2-64: clean echo 'CONFIG := msys2-64' > Makefile.conf + echo 'ENABLE_PLUGINS := 0' >> Makefile.conf config-cygwin: clean echo 'CONFIG := cygwin' > Makefile.conf @@ -130,18 +130,15 @@ commands and ``help <command>`` to print details on the specified command: yosys> help help -reading the design using the Verilog frontend: +reading and elaborating the design using the Verilog frontend: - yosys> read_verilog tests/simple/fiedler-cooley.v + yosys> read -sv tests/simple/fiedler-cooley.v + yosys> hierarchy -top up3down5 writing the design to the console in Yosys's internal format: yosys> write_ilang -elaborate design hierarchy: - - yosys> hierarchy - convert processes (``always`` blocks) to netlist elements and perform some simple optimizations: @@ -163,51 +160,26 @@ write design netlist to a new Verilog file: yosys> write_verilog synth.v -a similar synthesis can be performed using yosys command line options only: - - $ ./yosys -o synth.v -p hierarchy -p proc -p opt \ - -p techmap -p opt tests/simple/fiedler-cooley.v - or using a simple synthesis script: $ cat synth.ys - read_verilog tests/simple/fiedler-cooley.v - hierarchy; proc; opt; techmap; opt + read -sv tests/simple/fiedler-cooley.v + hierarchy -top up3down5 + proc; opt; techmap; opt write_verilog synth.v $ ./yosys synth.ys -It is also possible to only have the synthesis commands but not the read/write -commands in the synthesis script: - - $ cat synth.ys - hierarchy; proc; opt; techmap; opt - - $ ./yosys -o synth.v tests/simple/fiedler-cooley.v synth.ys - -The following very basic synthesis script should work well with all designs: - - # check design hierarchy - hierarchy - - # translate processes (always blocks) - proc; opt - - # detect and optimize FSM encodings - fsm; opt - - # implement memories (arrays) - memory; opt - - # convert to gate logic - techmap; opt - If ABC is enabled in the Yosys build configuration and a cell library is given in the liberty file ``mycells.lib``, the following synthesis script will synthesize for the given cell library: + # read design + read -sv tests/simple/fiedler-cooley.v + hierarchy -top up3down5 + # the high-level stuff - hierarchy; proc; fsm; opt; memory; opt + proc; fsm; opt; memory; opt # mapping to internal cell library techmap; opt @@ -222,7 +194,8 @@ synthesize for the given cell library: clean If you do not have a liberty file but want to test this synthesis script, -you can use the file ``examples/cmos/cmos_cells.lib`` from the yosys sources. +you can use the file ``examples/cmos/cmos_cells.lib`` from the yosys sources +as simple example. Liberty file downloads for and information about free and open ASIC standard cell libraries can be found here: @@ -231,20 +204,18 @@ cell libraries can be found here: - http://www.vlsitechnology.org/synopsys/vsclib013.lib The command ``synth`` provides a good default synthesis script (see -``help synth``). If possible a synthesis script should borrow from ``synth``. -For example: +``help synth``): - # the high-level stuff - hierarchy - synth -run coarse + read -sv tests/simple/fiedler-cooley.v + synth -top up3down5 - # mapping to internal cells - techmap; opt -fast + # mapping to target cells dfflibmap -liberty mycells.lib abc -liberty mycells.lib clean -Yosys is under construction. A more detailed documentation will follow. +The command ``prep`` provides a good default word-level synthesis script, as +used in SMT-based formal verification. Unsupported Verilog-2005 Features diff --git a/backends/aiger/xaiger.cc b/backends/aiger/xaiger.cc index 69f63486c..a3a753912 100644 --- a/backends/aiger/xaiger.cc +++ b/backends/aiger/xaiger.cc @@ -53,7 +53,7 @@ PRIVATE_NAMESPACE_BEGIN inline int32_t to_big_endian(int32_t i32) { #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ - return __builtin_bswap32(i32); + return bswap32(i32); #elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ return i32; #else @@ -610,15 +610,15 @@ struct XAigerWriter std::stringstream h_buffer; auto write_h_buffer = std::bind(write_buffer, std::ref(h_buffer), std::placeholders::_1); write_h_buffer(1); - log_debug("ciNum = %zu\n", input_bits.size() + ci_bits.size()); + log_debug("ciNum = %d\n", GetSize(input_bits) + GetSize(ci_bits)); write_h_buffer(input_bits.size() + ci_bits.size()); - log_debug("coNum = %zu\n", output_bits.size() + co_bits.size()); + log_debug("coNum = %d\n", GetSize(output_bits) + GetSize(co_bits)); write_h_buffer(output_bits.size() + co_bits.size()); - log_debug("piNum = %zu\n", input_bits.size()); + log_debug("piNum = %d\n", GetSize(input_bits)); write_h_buffer(input_bits.size()); - log_debug("poNum = %zu\n", output_bits.size()); + log_debug("poNum = %d\n", GetSize(output_bits)); write_h_buffer(output_bits.size()); - log_debug("boxNum = %zu\n", box_list.size()); + log_debug("boxNum = %d\n", GetSize(box_list)); write_h_buffer(box_list.size()); RTLIL::Module *holes_module = nullptr; @@ -772,7 +772,7 @@ struct XAigerWriter if (output_bits.count(b)) { int o = ordered_outputs.at(b); - output_lines[o] += stringf("output %lu %d %s\n", o - co_bits.size(), i, log_id(wire)); + output_lines[o] += stringf("output %d %d %s\n", o - GetSize(co_bits), i, log_id(wire)); continue; } diff --git a/backends/blif/blif.cc b/backends/blif/blif.cc index a1761b662..f32b0f533 100644 --- a/backends/blif/blif.cc +++ b/backends/blif/blif.cc @@ -327,6 +327,13 @@ struct BlifDumper goto internal_cell; } + if (!config->icells_mode && cell->type == "$_NMUX_") { + f << stringf(".names %s %s %s %s\n0-0 1\n-01 1\n", + cstr(cell->getPort("\\A")), cstr(cell->getPort("\\B")), + cstr(cell->getPort("\\S")), cstr(cell->getPort("\\Y"))); + goto internal_cell; + } + if (!config->icells_mode && cell->type == "$_FF_") { f << stringf(".latch %s %s%s\n", cstr(cell->getPort("\\D")), cstr(cell->getPort("\\Q")), cstr_init(cell->getPort("\\Q"))); diff --git a/backends/btor/btor.cc b/backends/btor/btor.cc index a507b120b..7bacce2af 100644 --- a/backends/btor/btor.cc +++ b/backends/btor/btor.cc @@ -496,7 +496,7 @@ struct BtorWorker goto okay; } - if (cell->type.in("$mux", "$_MUX_")) + if (cell->type.in("$mux", "$_MUX_", "$_NMUX_")) { SigSpec sig_a = sigmap(cell->getPort("\\A")); SigSpec sig_b = sigmap(cell->getPort("\\B")); @@ -511,6 +511,12 @@ struct BtorWorker int nid = next_nid++; btorf("%d ite %d %d %d %d\n", nid, sid, nid_s, nid_b, nid_a); + if (cell->type == "$_NMUX_") { + int tmp = nid; + nid = next_nid++; + btorf("%d not %d %d\n", nid, sid, tmp); + } + add_nid_sig(nid, sig_y); goto okay; } diff --git a/backends/json/json.cc b/backends/json/json.cc index dda4dfedd..107009ee4 100644 --- a/backends/json/json.cc +++ b/backends/json/json.cc @@ -83,20 +83,43 @@ struct JsonWriter return str + " ]"; } + void write_parameter_value(const Const &value) + { + if ((value.flags & RTLIL::ConstFlags::CONST_FLAG_STRING) != 0) { + string str = value.decode_string(); + int state = 0; + for (char c : str) { + if (state == 0) { + if (c == '0' || c == '1' || c == 'x' || c == 'z') + state = 0; + else if (c == ' ') + state = 1; + else + state = 2; + } else if (state == 1 && c != ' ') + state = 2; + } + if (state < 2) + str += " "; + f << get_string(str); + } else + if (GetSize(value) == 32 && value.is_fully_def()) { + if ((value.flags & RTLIL::ConstFlags::CONST_FLAG_SIGNED) != 0) + f << stringf("%d", value.as_int()); + else + f << stringf("%u", value.as_int()); + } else { + f << get_string(value.as_string()); + } + } + void write_parameters(const dict<IdString, Const> ¶meters, bool for_module=false) { bool first = true; for (auto ¶m : parameters) { f << stringf("%s\n", first ? "" : ","); f << stringf(" %s%s: ", for_module ? "" : " ", get_name(param.first).c_str()); - if ((param.second.flags & RTLIL::ConstFlags::CONST_FLAG_STRING) != 0) - f << get_string(param.second.decode_string()); - else if (GetSize(param.second.bits) > 32) - f << get_string(param.second.as_string()); - else if ((param.second.flags & RTLIL::ConstFlags::CONST_FLAG_SIGNED) != 0) - f << stringf("%d", param.second.as_int()); - else - f << stringf("%u", param.second.as_int()); + write_parameter_value(param.second); first = false; } } @@ -342,12 +365,13 @@ struct JsonBackend : public Backend { log("Module and cell ports and nets can be single bit wide or vectors of multiple\n"); log("bits. Each individual signal bit is assigned a unique integer. The <bit_vector>\n"); log("values referenced above are vectors of this integers. Signal bits that are\n"); - log("connected to a constant driver are denoted as string \"0\" or \"1\" instead of\n"); - log("a number.\n"); + log("connected to a constant driver are denoted as string \"0\", \"1\", \"x\", or\n"); + log("\"z\" instead of a number.\n"); log("\n"); - log("Numeric parameter and attribute values up to 32 bits are written as decimal\n"); - log("values. Numbers larger than that are written as string holding the binary\n"); - log("representation of the value.\n"); + log("Numeric 32-bit parameter and attribute values are written as decimal values.\n"); + log("Bit verctors of different sizes, or ones containing 'x' or 'z' bits, are written\n"); + log("as string holding the binary representation of the value. Strings are written\n"); + log("as strings, with an appended blank in cases of strings of the form /[01xz]* */.\n"); log("\n"); log("For example the following Verilog code:\n"); log("\n"); diff --git a/backends/simplec/simplec.cc b/backends/simplec/simplec.cc index 6f2ccbe20..54dbb84af 100644 --- a/backends/simplec/simplec.cc +++ b/backends/simplec/simplec.cc @@ -472,7 +472,7 @@ struct SimplecWorker return; } - if (cell->type == "$_MUX_") + if (cell->type.in("$_MUX_", "$_NMUX_")) { SigBit a = sigmaps.at(work->module)(cell->getPort("\\A")); SigBit b = sigmaps.at(work->module)(cell->getPort("\\B")); @@ -484,7 +484,9 @@ struct SimplecWorker string s_expr = s.wire ? util_get_bit(work->prefix + cid(s.wire->name), s.wire->width, s.offset) : s.data ? "1" : "0"; // casts to bool are a workaround for CBMC bug (https://github.com/diffblue/cbmc/issues/933) - string expr = stringf("%s ? (bool)%s : (bool)%s", s_expr.c_str(), b_expr.c_str(), a_expr.c_str()); + string expr = stringf("%s ? %s(bool)%s : %s(bool)%s", s_expr.c_str(), + cell->type == "$_NMUX_" ? "!" : "", b_expr.c_str(), + cell->type == "$_NMUX_" ? "!" : "", a_expr.c_str()); log_assert(y.wire); funct_declarations.push_back(util_set_bit(work->prefix + cid(y.wire->name), y.wire->width, y.offset, expr) + diff --git a/backends/smt2/smt2.cc b/backends/smt2/smt2.cc index e318a4051..ddd680782 100644 --- a/backends/smt2/smt2.cc +++ b/backends/smt2/smt2.cc @@ -510,6 +510,7 @@ struct Smt2Worker if (cell->type == "$_ANDNOT_") return export_gate(cell, "(and A (not B))"); if (cell->type == "$_ORNOT_") return export_gate(cell, "(or A (not B))"); if (cell->type == "$_MUX_") return export_gate(cell, "(ite S B A)"); + if (cell->type == "$_NMUX_") return export_gate(cell, "(not (ite S B A))"); if (cell->type == "$_AOI3_") return export_gate(cell, "(not (or (and A B) C))"); if (cell->type == "$_OAI3_") return export_gate(cell, "(not (and (or A B) C))"); if (cell->type == "$_AOI4_") return export_gate(cell, "(not (or (and A B) (and C D)))"); diff --git a/backends/smv/smv.cc b/backends/smv/smv.cc index d75456c1b..e9586fae0 100644 --- a/backends/smv/smv.cc +++ b/backends/smv/smv.cc @@ -537,6 +537,13 @@ struct SmvWorker continue; } + if (cell->type == "$_NMUX_") + { + definitions.push_back(stringf("%s := !(bool(%s) ? %s : %s);", lvalue(cell->getPort("\\Y")), + rvalue(cell->getPort("\\S")), rvalue(cell->getPort("\\B")), rvalue(cell->getPort("\\A")))); + continue; + } + if (cell->type == "$_AOI3_") { definitions.push_back(stringf("%s := !((%s & %s) | %s);", lvalue(cell->getPort("\\Y")), diff --git a/backends/verilog/verilog_backend.cc b/backends/verilog/verilog_backend.cc index e0b3a6f80..776f4eacb 100644 --- a/backends/verilog/verilog_backend.cc +++ b/backends/verilog/verilog_backend.cc @@ -558,6 +558,20 @@ bool dump_cell_expr(std::ostream &f, std::string indent, RTLIL::Cell *cell) return true; } + if (cell->type == "$_NMUX_") { + f << stringf("%s" "assign ", indent.c_str()); + dump_sigspec(f, cell->getPort("\\Y")); + f << stringf(" = !("); + dump_cell_expr_port(f, cell, "S", false); + f << stringf(" ? "); + dump_attributes(f, "", cell->attributes, ' '); + dump_cell_expr_port(f, cell, "B", false); + f << stringf(" : "); + dump_cell_expr_port(f, cell, "A", false); + f << stringf(");\n"); + return true; + } + if (cell->type.in("$_AOI3_", "$_OAI3_")) { f << stringf("%s" "assign ", indent.c_str()); dump_sigspec(f, cell->getPort("\\Y")); diff --git a/frontends/aiger/aigerparse.cc b/frontends/aiger/aigerparse.cc index 03c541b7c..bb97c5703 100644 --- a/frontends/aiger/aigerparse.cc +++ b/frontends/aiger/aigerparse.cc @@ -301,7 +301,11 @@ static uint32_t parse_xaiger_literal(std::istream &f) uint32_t l; f.read(reinterpret_cast<char*>(&l), sizeof(l)); if (f.gcount() != sizeof(l)) +#if defined(_WIN32) && defined(__MINGW32__) + log_error("Offset %I64d: unable to read literal!\n", static_cast<int64_t>(f.tellg())); +#else log_error("Offset %" PRId64 ": unable to read literal!\n", static_cast<int64_t>(f.tellg())); +#endif return from_big_endian(l); } diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc index e947125bf..6fb94d80b 100644 --- a/frontends/ast/simplify.cc +++ b/frontends/ast/simplify.cc @@ -3439,19 +3439,11 @@ AstNode *AstNode::eval_const_function(AstNode *fcall) { std::map<std::string, AstNode*> backup_scope; std::map<std::string, AstNode::varinfo_t> variables; - bool delete_temp_block = false; - AstNode *block = NULL; + AstNode *block = new AstNode(AST_BLOCK); size_t argidx = 0; for (auto child : children) { - if (child->type == AST_BLOCK) - { - log_assert(block == NULL); - block = child; - continue; - } - if (child->type == AST_WIRE) { while (child->simplify(true, false, false, 1, -1, false, true)) { } @@ -3468,13 +3460,9 @@ AstNode *AstNode::eval_const_function(AstNode *fcall) continue; } - log_assert(block == NULL); - delete_temp_block = true; - block = new AstNode(AST_BLOCK); block->children.push_back(child->clone()); } - log_assert(block != NULL); log_assert(variables.count(str) != 0); while (!block->children.empty()) @@ -3642,8 +3630,7 @@ AstNode *AstNode::eval_const_function(AstNode *fcall) log_abort(); } - if (delete_temp_block) - delete block; + delete block; for (auto &it : backup_scope) if (it.second == NULL) diff --git a/frontends/json/jsonparse.cc b/frontends/json/jsonparse.cc index f5ae8eb72..7aceffbfc 100644 --- a/frontends/json/jsonparse.cc +++ b/frontends/json/jsonparse.cc @@ -25,7 +25,7 @@ struct JsonNode { char type; // S=String, N=Number, A=Array, D=Dict string data_string; - int data_number; + int64_t data_number; vector<JsonNode*> data_array; dict<string, JsonNode*> data_dict; vector<string> data_dict_keys; @@ -206,6 +206,38 @@ struct JsonNode } }; +Const json_parse_attr_param_value(JsonNode *node) +{ + Const value; + + if (node->type == 'S') { + string &s = node->data_string; + size_t cursor = s.find_first_not_of("01xz"); + if (cursor == string::npos) { + value = Const::from_string(s); + } else if (s.find_first_not_of(' ', cursor) == string::npos) { + value = Const(s.substr(0, GetSize(s)-1)); + } else { + value = Const(s); + } + } else + if (node->type == 'N') { + value = Const(node->data_number, 32); + if (node->data_number < 0) + value.flags |= RTLIL::CONST_FLAG_SIGNED; + } else + if (node->type == 'A') { + log_error("JSON attribute or parameter value is an array.\n"); + } else + if (node->type == 'D') { + log_error("JSON attribute or parameter value is a dict.\n"); + } else { + log_abort(); + } + + return value; +} + void json_parse_attr_param(dict<IdString, Const> &results, JsonNode *node) { if (node->type != 'D') @@ -214,28 +246,7 @@ void json_parse_attr_param(dict<IdString, Const> &results, JsonNode *node) for (auto it : node->data_dict) { IdString key = RTLIL::escape_id(it.first.c_str()); - JsonNode *value_node = it.second; - Const value; - - if (value_node->type == 'S') { - string &s = value_node->data_string; - if (s.find_first_not_of("01xz") == string::npos) - value = Const::from_string(s); - else - value = Const(s); - } else - if (value_node->type == 'N') { - value = Const(value_node->data_number, 32); - } else - if (value_node->type == 'A') { - log_error("JSON attribute or parameter value is an array.\n"); - } else - if (value_node->type == 'D') { - log_error("JSON attribute or parameter value is a dict.\n"); - } else { - log_abort(); - } - + Const value = json_parse_attr_param_value(it.second); results[key] = value; } } diff --git a/frontends/verific/verific.cc b/frontends/verific/verific.cc index 2bf99e58e..06d58a44a 100644 --- a/frontends/verific/verific.cc +++ b/frontends/verific/verific.cc @@ -2484,7 +2484,7 @@ struct ReadPass : public Pass { args[0] = "verific"; } else { args[0] = "read_verilog"; - args.erase(args.begin()+1, args.begin()+2); + args[1] = "-defer"; } Pass::call(design, args); return; @@ -2498,6 +2498,7 @@ struct ReadPass : public Pass { if (args[1] == "-formal") args.insert(args.begin()+1, std::string()); args[1] = "-sv"; + args.insert(args.begin()+1, "-defer"); } Pass::call(design, args); return; diff --git a/kernel/cellaigs.cc b/kernel/cellaigs.cc index 26c625f89..fbc6d045e 100644 --- a/kernel/cellaigs.cc +++ b/kernel/cellaigs.cc @@ -325,6 +325,8 @@ Aig::Aig(Cell *cell) int A = mk.inport("\\A", i); int B = mk.inport("\\B", i); int Y = mk.mux_gate(A, B, S); + if (cell->type == "$_NMUX_") + Y = mk.not_gate(Y); mk.outport(Y, "\\Y", i); } goto optimize; diff --git a/kernel/celltypes.h b/kernel/celltypes.h index 758661c02..d2594bc46 100644 --- a/kernel/celltypes.h +++ b/kernel/celltypes.h @@ -193,6 +193,7 @@ struct CellTypes setup_type("$_ANDNOT_", {A, B}, {Y}, true); setup_type("$_ORNOT_", {A, B}, {Y}, true); setup_type("$_MUX_", {A, B, S}, {Y}, true); + setup_type("$_NMUX_", {A, B, S}, {Y}, true); setup_type("$_MUX4_", {A, B, C, D, S, T}, {Y}, true); setup_type("$_MUX8_", {A, B, C, D, E, F, G, H, S, T, U}, {Y}, true); setup_type("$_MUX16_", {A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, S, T, U, V}, {Y}, true); diff --git a/kernel/consteval.h b/kernel/consteval.h index 154373a8d..f70dfa0fb 100644 --- a/kernel/consteval.h +++ b/kernel/consteval.h @@ -145,7 +145,7 @@ struct ConstEval if (cell->hasPort("\\B")) sig_b = cell->getPort("\\B"); - if (cell->type == "$mux" || cell->type == "$pmux" || cell->type == "$_MUX_") + if (cell->type.in("$mux", "$pmux", "$_MUX_", "$_NMUX_")) { std::vector<RTLIL::SigSpec> y_candidates; int count_maybe_set_s_bits = 0; @@ -175,7 +175,10 @@ struct ConstEval for (auto &yc : y_candidates) { if (!eval(yc, undef, cell)) return false; - y_values.push_back(yc.as_const()); + if (cell->type == "$_NMUX_") + y_values.push_back(RTLIL::const_not(yc.as_const(), Const(), false, false, GetSize(yc))); + else + y_values.push_back(yc.as_const()); } if (y_values.size() > 1) diff --git a/kernel/cost.h b/kernel/cost.h index 41a09eb63..10fa50fb3 100644 --- a/kernel/cost.h +++ b/kernel/cost.h @@ -24,62 +24,92 @@ YOSYS_NAMESPACE_BEGIN -int get_cell_cost(RTLIL::Cell *cell, dict<RTLIL::IdString, int> *mod_cost_cache = nullptr); - -inline int get_cell_cost(RTLIL::IdString type, const dict<RTLIL::IdString, RTLIL::Const> ¶meters = dict<RTLIL::IdString, RTLIL::Const>(), - RTLIL::Design *design = nullptr, dict<RTLIL::IdString, int> *mod_cost_cache = nullptr) +struct CellCosts { - static dict<RTLIL::IdString, int> gate_cost = { - { "$_BUF_", 1 }, - { "$_NOT_", 2 }, - { "$_AND_", 4 }, - { "$_NAND_", 4 }, - { "$_OR_", 4 }, - { "$_NOR_", 4 }, - { "$_ANDNOT_", 4 }, - { "$_ORNOT_", 4 }, - { "$_XOR_", 8 }, - { "$_XNOR_", 8 }, - { "$_AOI3_", 6 }, - { "$_OAI3_", 6 }, - { "$_AOI4_", 8 }, - { "$_OAI4_", 8 }, - { "$_MUX_", 4 } - }; - - if (gate_cost.count(type)) - return gate_cost.at(type); - - if (parameters.empty() && design && design->module(type)) + static const dict<RTLIL::IdString, int>& default_gate_cost() { + static const dict<RTLIL::IdString, int> db = { + { "$_BUF_", 1 }, + { "$_NOT_", 2 }, + { "$_AND_", 4 }, + { "$_NAND_", 4 }, + { "$_OR_", 4 }, + { "$_NOR_", 4 }, + { "$_ANDNOT_", 4 }, + { "$_ORNOT_", 4 }, + { "$_XOR_", 5 }, + { "$_XNOR_", 5 }, + { "$_AOI3_", 6 }, + { "$_OAI3_", 6 }, + { "$_AOI4_", 7 }, + { "$_OAI4_", 7 }, + { "$_MUX_", 4 }, + { "$_NMUX_", 4 } + }; + return db; + } + + static const dict<RTLIL::IdString, int>& cmos_gate_cost() { + static const dict<RTLIL::IdString, int> db = { + { "$_BUF_", 1 }, + { "$_NOT_", 2 }, + { "$_AND_", 6 }, + { "$_NAND_", 4 }, + { "$_OR_", 6 }, + { "$_NOR_", 4 }, + { "$_ANDNOT_", 6 }, + { "$_ORNOT_", 6 }, + { "$_XOR_", 12 }, + { "$_XNOR_", 12 }, + { "$_AOI3_", 6 }, + { "$_OAI3_", 6 }, + { "$_AOI4_", 8 }, + { "$_OAI4_", 8 }, + { "$_MUX_", 12 }, + { "$_NMUX_", 10 } + }; + return db; + } + + dict<RTLIL::IdString, int> mod_cost_cache; + const dict<RTLIL::IdString, int> *gate_cost = nullptr; + Design *design = nullptr; + + int get(RTLIL::IdString type) const { - RTLIL::Module *mod = design->module(type); + if (gate_cost && gate_cost->count(type)) + return gate_cost->at(type); - if (mod->attributes.count("\\cost")) - return mod->attributes.at("\\cost").as_int(); + log_warning("Can't determine cost of %s cell.\n", log_id(type)); + return 1; + } - dict<RTLIL::IdString, int> local_mod_cost_cache; - if (mod_cost_cache == nullptr) - mod_cost_cache = &local_mod_cost_cache; + int get(RTLIL::Cell *cell) + { + if (gate_cost && gate_cost->count(cell->type)) + return gate_cost->at(cell->type); - if (mod_cost_cache->count(mod->name)) - return mod_cost_cache->at(mod->name); + if (design && design->module(cell->type) && cell->parameters.empty()) + { + RTLIL::Module *mod = design->module(cell->type); - int module_cost = 1; - for (auto c : mod->cells()) - module_cost += get_cell_cost(c, mod_cost_cache); + if (mod->attributes.count("\\cost")) + return mod->attributes.at("\\cost").as_int(); - (*mod_cost_cache)[mod->name] = module_cost; - return module_cost; - } + if (mod_cost_cache.count(mod->name)) + return mod_cost_cache.at(mod->name); - log_warning("Can't determine cost of %s cell (%d parameters).\n", log_id(type), GetSize(parameters)); - return 1; -} + int module_cost = 1; + for (auto c : mod->cells()) + module_cost += get(c); -inline int get_cell_cost(RTLIL::Cell *cell, dict<RTLIL::IdString, int> *mod_cost_cache) -{ - return get_cell_cost(cell->type, cell->parameters, cell->module->design, mod_cost_cache); -} + mod_cost_cache[mod->name] = module_cost; + return module_cost; + } + + log_warning("Can't determine cost of %s cell (%d parameters).\n", log_id(cell->type), GetSize(cell->parameters)); + return 1; + } +}; YOSYS_NAMESPACE_END diff --git a/kernel/driver.cc b/kernel/driver.cc index f273057dd..70a97c4b9 100644 --- a/kernel/driver.cc +++ b/kernel/driver.cc @@ -522,6 +522,12 @@ int main(int argc, char **argv) if (!backend_command.empty()) run_backend(output_filename, backend_command); + yosys_design->check(); + for (auto it : saved_designs) + it.second->check(); + for (auto it : pushed_designs) + it->check(); + if (!depsfile.empty()) { FILE *f = fopen(depsfile.c_str(), "wt"); diff --git a/kernel/register.cc b/kernel/register.cc index 4c6e3591f..e4237cac4 100644 --- a/kernel/register.cc +++ b/kernel/register.cc @@ -41,6 +41,45 @@ void decompress_gzip(const std::string &filename, std::stringstream &out) } gzclose(gzf); } + +/* +An output stream that uses a stringbuf to buffer data internally, +using zlib to write gzip-compressed data every time the stream is flushed. +*/ +class gzip_ostream : public std::ostream { +public: + gzip_ostream() + { + rdbuf(&outbuf); + } + bool open(const std::string &filename) + { + return outbuf.open(filename); + } +private: + class gzip_streambuf : public std::stringbuf { + public: + gzip_streambuf() { }; + bool open(const std::string &filename) + { + gzf = gzopen(filename.c_str(), "wb"); + return gzf != nullptr; + } + virtual int sync() override + { + gzwrite(gzf, reinterpret_cast<const void *>(str().c_str()), unsigned(str().size())); + str(""); + return 0; + } + ~gzip_streambuf() + { + sync(); + gzclose(gzf); + } + private: + gzFile gzf = nullptr; + } outbuf; +}; PRIVATE_NAMESPACE_END #endif @@ -256,8 +295,6 @@ void Pass::call(RTLIL::Design *design, std::vector<std::string> args) pass_register[args[0]]->post_execute(state); while (design->selection_stack.size() > orig_sel_stack_pos) design->selection_stack.pop_back(); - - design->check(); } void Pass::call_on_selection(RTLIL::Design *design, const RTLIL::Selection &selection, std::string command) @@ -339,8 +376,10 @@ void ScriptPass::run(std::string command, std::string info) log(" %s\n", command.c_str()); else log(" %s %s\n", command.c_str(), info.c_str()); - } else + } else { Pass::call(active_design, command); + active_design->check(); + } } void ScriptPass::run_script(RTLIL::Design *design, std::string run_from, std::string run_to) @@ -534,8 +573,6 @@ void Frontend::frontend_call(RTLIL::Design *design, std::istream *f, std::string args.push_back(filename); frontend_register[args[0]]->execute(args, design); } - - design->check(); } Backend::Backend(std::string name, std::string short_help) : @@ -588,14 +625,28 @@ void Backend::extra_args(std::ostream *&f, std::string &filename, std::vector<st filename = arg; rewrite_filename(filename); - std::ofstream *ff = new std::ofstream; - ff->open(filename.c_str(), std::ofstream::trunc); - yosys_output_files.insert(filename); - if (ff->fail()) { - delete ff; - log_cmd_error("Can't open output file `%s' for writing: %s\n", filename.c_str(), strerror(errno)); + if (filename.size() > 3 && filename.substr(filename.size()-3) == ".gz") { +#ifdef YOSYS_ENABLE_ZLIB + gzip_ostream *gf = new gzip_ostream; + if (!gf->open(filename)) { + delete gf; + log_cmd_error("Can't open output file `%s' for writing: %s\n", filename.c_str(), strerror(errno)); + } + yosys_output_files.insert(filename); + f = gf; +#else + log_cmd_error("Yosys is compiled without zlib support, unable to write gzip output.\n"); +#endif + } else { + std::ofstream *ff = new std::ofstream; + ff->open(filename.c_str(), std::ofstream::trunc); + yosys_output_files.insert(filename); + if (ff->fail()) { + delete ff; + log_cmd_error("Can't open output file `%s' for writing: %s\n", filename.c_str(), strerror(errno)); + } + f = ff; } - f = ff; } if (called_with_fp) @@ -645,8 +696,6 @@ void Backend::backend_call(RTLIL::Design *design, std::ostream *f, std::string f while (design->selection_stack.size() > orig_sel_stack_pos) design->selection_stack.pop_back(); - - design->check(); } static struct CellHelpMessages { diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc index a09f4a0d1..ba8472ec1 100644 --- a/kernel/rtlil.cc +++ b/kernel/rtlil.cc @@ -1249,6 +1249,7 @@ namespace { if (cell->type == "$_ANDNOT_") { check_gate("ABY"); return; } if (cell->type == "$_ORNOT_") { check_gate("ABY"); return; } if (cell->type == "$_MUX_") { check_gate("ABSY"); return; } + if (cell->type == "$_NMUX_") { check_gate("ABSY"); return; } if (cell->type == "$_AOI3_") { check_gate("ABCY"); return; } if (cell->type == "$_OAI3_") { check_gate("ABCY"); return; } if (cell->type == "$_AOI4_") { check_gate("ABCDY"); return; } @@ -1976,6 +1977,7 @@ DEF_METHOD_3(XnorGate, "$_XNOR_", A, B, Y) DEF_METHOD_3(AndnotGate, "$_ANDNOT_", A, B, Y) DEF_METHOD_3(OrnotGate, "$_ORNOT_", A, B, Y) DEF_METHOD_4(MuxGate, "$_MUX_", A, B, S, Y) +DEF_METHOD_4(NmuxGate, "$_NMUX_", A, B, S, Y) DEF_METHOD_4(Aoi3Gate, "$_AOI3_", A, B, C, Y) DEF_METHOD_4(Oai3Gate, "$_OAI3_", A, B, C, Y) DEF_METHOD_5(Aoi4Gate, "$_AOI4_", A, B, C, D, Y) diff --git a/kernel/rtlil.h b/kernel/rtlil.h index 712250b3e..1cfe71473 100644 --- a/kernel/rtlil.h +++ b/kernel/rtlil.h @@ -1154,6 +1154,7 @@ public: RTLIL::Cell* addAndnotGate (RTLIL::IdString name, RTLIL::SigBit sig_a, RTLIL::SigBit sig_b, RTLIL::SigBit sig_y, const std::string &src = ""); RTLIL::Cell* addOrnotGate (RTLIL::IdString name, RTLIL::SigBit sig_a, RTLIL::SigBit sig_b, RTLIL::SigBit sig_y, const std::string &src = ""); RTLIL::Cell* addMuxGate (RTLIL::IdString name, RTLIL::SigBit sig_a, RTLIL::SigBit sig_b, RTLIL::SigBit sig_s, RTLIL::SigBit sig_y, const std::string &src = ""); + RTLIL::Cell* addNmuxGate (RTLIL::IdString name, RTLIL::SigBit sig_a, RTLIL::SigBit sig_b, RTLIL::SigBit sig_s, RTLIL::SigBit sig_y, const std::string &src = ""); RTLIL::Cell* addAoi3Gate (RTLIL::IdString name, RTLIL::SigBit sig_a, RTLIL::SigBit sig_b, RTLIL::SigBit sig_c, RTLIL::SigBit sig_y, const std::string &src = ""); RTLIL::Cell* addOai3Gate (RTLIL::IdString name, RTLIL::SigBit sig_a, RTLIL::SigBit sig_b, RTLIL::SigBit sig_c, RTLIL::SigBit sig_y, const std::string &src = ""); RTLIL::Cell* addAoi4Gate (RTLIL::IdString name, RTLIL::SigBit sig_a, RTLIL::SigBit sig_b, RTLIL::SigBit sig_c, RTLIL::SigBit sig_d, RTLIL::SigBit sig_y, const std::string &src = ""); @@ -1229,6 +1230,7 @@ public: RTLIL::SigBit AndnotGate (RTLIL::IdString name, RTLIL::SigBit sig_a, RTLIL::SigBit sig_b, const std::string &src = ""); RTLIL::SigBit OrnotGate (RTLIL::IdString name, RTLIL::SigBit sig_a, RTLIL::SigBit sig_b, const std::string &src = ""); RTLIL::SigBit MuxGate (RTLIL::IdString name, RTLIL::SigBit sig_a, RTLIL::SigBit sig_b, RTLIL::SigBit sig_s, const std::string &src = ""); + RTLIL::SigBit NmuxGate (RTLIL::IdString name, RTLIL::SigBit sig_a, RTLIL::SigBit sig_b, RTLIL::SigBit sig_s, const std::string &src = ""); RTLIL::SigBit Aoi3Gate (RTLIL::IdString name, RTLIL::SigBit sig_a, RTLIL::SigBit sig_b, RTLIL::SigBit sig_c, const std::string &src = ""); RTLIL::SigBit Oai3Gate (RTLIL::IdString name, RTLIL::SigBit sig_a, RTLIL::SigBit sig_b, RTLIL::SigBit sig_c, const std::string &src = ""); RTLIL::SigBit Aoi4Gate (RTLIL::IdString name, RTLIL::SigBit sig_a, RTLIL::SigBit sig_b, RTLIL::SigBit sig_c, RTLIL::SigBit sig_d, const std::string &src = ""); diff --git a/kernel/satgen.h b/kernel/satgen.h index 210cca3f3..e9f3ecd44 100644 --- a/kernel/satgen.h +++ b/kernel/satgen.h @@ -475,7 +475,7 @@ struct SatGen return true; } - if (cell->type == "$_MUX_" || cell->type == "$mux") + if (cell->type == "$_MUX_" || cell->type == "$mux" || cell->type == "$_NMUX_") { std::vector<int> a = importDefSigSpec(cell->getPort("\\A"), timestep); std::vector<int> b = importDefSigSpec(cell->getPort("\\B"), timestep); @@ -483,7 +483,10 @@ struct SatGen std::vector<int> y = importDefSigSpec(cell->getPort("\\Y"), timestep); std::vector<int> yy = model_undef ? ez->vec_var(y.size()) : y; - ez->assume(ez->vec_eq(ez->vec_ite(s.at(0), b, a), yy)); + if (cell->type == "$_NMUX_") + ez->assume(ez->vec_eq(ez->vec_not(ez->vec_ite(s.at(0), b, a)), yy)); + else + ez->assume(ez->vec_eq(ez->vec_ite(s.at(0), b, a), yy)); if (model_undef) { diff --git a/kernel/yosys.cc b/kernel/yosys.cc index 191b6d5c7..a4cc53f1a 100644 --- a/kernel/yosys.cc +++ b/kernel/yosys.cc @@ -964,14 +964,18 @@ void run_frontend(std::string filename, std::string command, std::string *backen command += next_line; } handle_label(command, from_to_active, run_from, run_to); - if (from_to_active) + if (from_to_active) { Pass::call(design, command); + design->check(); + } } if (!command.empty()) { handle_label(command, from_to_active, run_from, run_to); - if (from_to_active) + if (from_to_active) { Pass::call(design, command); + design->check(); + } } } catch (...) { @@ -1000,6 +1004,7 @@ void run_frontend(std::string filename, std::string command, std::string *backen Pass::call(design, vector<string>({command, filename})); else Frontend::frontend_call(design, NULL, filename, command); + design->check(); } void run_frontend(std::string filename, std::string command, RTLIL::Design *design) @@ -1183,6 +1188,7 @@ void shell(RTLIL::Design *design) design->selection_stack.pop_back(); log_reset_stack(); } + design->check(); } if (command == NULL) printf("exit\n"); diff --git a/kernel/yosys.h b/kernel/yosys.h index 84c797b2d..09e8139bb 100644 --- a/kernel/yosys.h +++ b/kernel/yosys.h @@ -88,6 +88,10 @@ extern int Tcl_EvalFile(Tcl_Interp *interp, const char *fileName); extern void Tcl_Finalize(void); extern int Tcl_GetCommandInfo(Tcl_Interp *interp, const char *cmdName, Tcl_CmdInfo *infoPtr); extern const char *Tcl_GetStringResult(Tcl_Interp *interp); +extern Tcl_Obj *Tcl_NewStringObj(const char *bytes, int length); +extern Tcl_Obj *Tcl_NewIntObj(int intValue); +extern Tcl_Obj *Tcl_NewListObj(int objc, Tcl_Obj *const objv[]); +extern Tcl_Obj *Tcl_ObjSetVar2(Tcl_Interp *interp, Tcl_Obj *part1Ptr, Tcl_Obj *part2Ptr, Tcl_Obj *newValuePtr, int flags); # endif #endif diff --git a/manual/CHAPTER_CellLib.tex b/manual/CHAPTER_CellLib.tex index cb1bcf1be..0106059b6 100644 --- a/manual/CHAPTER_CellLib.tex +++ b/manual/CHAPTER_CellLib.tex @@ -494,6 +494,6 @@ Add information about {\tt \$\_DFFE\_??\_}, {\tt \$\_DFFSR\_???\_}, {\tt \$\_DLA \end{fixme} \begin{fixme} -Add information about {\tt \$\_AOI3\_}, {\tt \$\_OAI3\_}, {\tt \$\_AOI4\_}, and {\tt \$\_OAI4\_} cells. +Add information about {\tt \$\_AOI3\_}, {\tt \$\_OAI3\_}, {\tt \$\_AOI4\_}, {\tt \$\_OAI4\_}, and {\tt \$\_NMUX\_} cells. \end{fixme} diff --git a/misc/launcher.c b/misc/launcher.c index 157d68cf3..e0d8208f1 100644 --- a/misc/launcher.c +++ b/misc/launcher.c @@ -61,6 +61,7 @@ SOFTWARE. */ #include <windows.h> #include <tchar.h> #include <fcntl.h> +#include <unistd.h> int child_pid=0; @@ -338,7 +339,7 @@ int run(int argc, char **argv, int is_gui) { if (is_gui) { /* Use exec, we don't need to wait for the GUI to finish */ - execv(ptr, (const char * const *)(newargs)); + execv(ptr, (char * const *)(newargs)); return fail("Could not exec %s", ptr); /* shouldn't get here! */ } diff --git a/passes/cmds/stat.cc b/passes/cmds/stat.cc index 80b400e0c..c8e4f3981 100644 --- a/passes/cmds/stat.cc +++ b/passes/cmds/stat.cc @@ -17,11 +17,10 @@ * */ -#include "kernel/register.h" +#include "kernel/yosys.h" #include "kernel/celltypes.h" #include "passes/techmap/libparse.h" - -#include "kernel/log.h" +#include "kernel/cost.h" USING_YOSYS_NAMESPACE PRIVATE_NAMESPACE_BEGIN @@ -228,21 +227,16 @@ struct statdata_t { int tran_cnt = 0; bool tran_cnt_exact = true; + auto &gate_costs = CellCosts::cmos_gate_cost(); for (auto it : num_cells_by_type) { auto ctype = it.first; auto cnum = it.second; - if (ctype == "$_NOT_") - tran_cnt += 2*cnum; - else if (ctype.in("$_NAND_", "$_NOR_")) - tran_cnt += 4*cnum; - else if (ctype.in("$_AOI3_", "$_OAI3_")) - tran_cnt += 6*cnum; - else if (ctype.in("$_AOI4_", "$_OAI4_")) - tran_cnt += 8*cnum; + if (gate_costs.count(ctype)) + tran_cnt += cnum * gate_costs.at(ctype); else if (ctype.in("$_DFF_P_", "$_DFF_N_")) - tran_cnt += 16*cnum; + tran_cnt += cnum * 16; else tran_cnt_exact = false; } diff --git a/passes/opt/opt_lut.cc b/passes/opt/opt_lut.cc index 182f63d99..587ef878a 100644 --- a/passes/opt/opt_lut.cc +++ b/passes/opt/opt_lut.cc @@ -81,7 +81,7 @@ struct OptLutWorker } } - log("Number of LUTs: %8zu\n", luts.size()); + log("Number of LUTs: %8d\n", GetSize(luts)); for (int arity = 1; arity <= max_arity; arity++) { if (arity_counts[arity]) @@ -351,14 +351,14 @@ struct OptLutWorker int lutM_arity = lutA_arity + lutB_arity - 1 - common_inputs.size(); if (lutA_dlogic_inputs.size()) - log_debug(" Cell A is a %d-LUT with %zu dedicated connections. ", lutA_arity, lutA_dlogic_inputs.size()); + log_debug(" Cell A is a %d-LUT with %d dedicated connections. ", lutA_arity, GetSize(lutA_dlogic_inputs)); else log_debug(" Cell A is a %d-LUT. ", lutA_arity); if (lutB_dlogic_inputs.size()) - log_debug("Cell B is a %d-LUT with %zu dedicated connections.\n", lutB_arity, lutB_dlogic_inputs.size()); + log_debug("Cell B is a %d-LUT with %d dedicated connections.\n", lutB_arity, GetSize(lutB_dlogic_inputs)); else log_debug("Cell B is a %d-LUT.\n", lutB_arity); - log_debug(" Cells share %zu input(s) and can be merged into one %d-LUT.\n", common_inputs.size(), lutM_arity); + log_debug(" Cells share %d input(s) and can be merged into one %d-LUT.\n", GetSize(common_inputs), lutM_arity); const int COMBINE_A = 1, COMBINE_B = 2, COMBINE_EITHER = COMBINE_A | COMBINE_B; int combine_mask = 0; diff --git a/passes/opt/rmports.cc b/passes/opt/rmports.cc index fc1596ebf..32363dd68 100644 --- a/passes/opt/rmports.cc +++ b/passes/opt/rmports.cc @@ -171,7 +171,7 @@ struct RmportsPassPass : public Pass { wire->port_output = false; wire->port_id = 0; } - log("Removed %zu unused ports.\n", unused_ports.size()); + log("Removed %d unused ports.\n", GetSize(unused_ports)); // Re-number all of the wires that DO have ports still on them for(size_t i=0; i<module->ports.size(); i++) diff --git a/passes/proc/proc_prune.cc b/passes/proc/proc_prune.cc index 9e00b0a8a..b47ee79c2 100644 --- a/passes/proc/proc_prune.cc +++ b/passes/proc/proc_prune.cc @@ -82,14 +82,23 @@ struct PruneWorker if (root) { bool promotable = true; for (auto &bit : lhs) { - if (bit.wire && affected[bit]) { + if (bit.wire && affected[bit] && !assigned[bit]) { promotable = false; break; } } if (promotable) { + RTLIL::SigSpec rhs = sigmap(it->second); + RTLIL::SigSig conn; + for (int i = 0; i < GetSize(lhs); i++) { + RTLIL::SigBit lhs_bit = lhs[i]; + if (lhs_bit.wire && !assigned[lhs_bit]) { + conn.first.append_bit(lhs_bit); + conn.second.append(rhs.extract(i)); + } + } promoted_count++; - module->connect(*it); + module->connect(conn); remove.insert(*it); } } diff --git a/passes/techmap/abc.cc b/passes/techmap/abc.cc index 65c7d1bb8..c0cfe2f36 100644 --- a/passes/techmap/abc.cc +++ b/passes/techmap/abc.cc @@ -49,6 +49,7 @@ #include <stdlib.h> #include <stdio.h> #include <string.h> +#include <cctype> #include <cerrno> #include <sstream> #include <climits> @@ -81,6 +82,7 @@ enum class gate_type_t { G_ANDNOT, G_ORNOT, G_MUX, + G_NMUX, G_AOI3, G_OAI3, G_AOI4, @@ -111,7 +113,7 @@ std::vector<gate_t> signal_list; std::map<RTLIL::SigBit, int> signal_map; std::map<RTLIL::SigBit, RTLIL::State> signal_init; pool<std::string> enabled_gates; -bool recover_init; +bool recover_init, cmos_cost; bool clk_polarity, en_polarity; RTLIL::SigSpec clk_sig, en_sig; @@ -257,7 +259,7 @@ void extract_cell(RTLIL::Cell *cell, bool keepff) return; } - if (cell->type == "$_MUX_") + if (cell->type.in("$_MUX_", "$_NMUX_")) { RTLIL::SigSpec sig_a = cell->getPort("\\A"); RTLIL::SigSpec sig_b = cell->getPort("\\B"); @@ -273,7 +275,7 @@ void extract_cell(RTLIL::Cell *cell, bool keepff) int mapped_b = map_signal(sig_b); int mapped_s = map_signal(sig_s); - map_signal(sig_y, G(MUX), mapped_a, mapped_b, mapped_s); + map_signal(sig_y, cell->type == "$_MUX_" ? G(MUX) : G(NMUX), mapped_a, mapped_b, mapped_s); module->remove(cell); return; @@ -885,6 +887,10 @@ void abc_module(RTLIL::Design *design, RTLIL::Module *current_module, std::strin fprintf(f, ".names ys__n%d ys__n%d ys__n%d ys__n%d\n", si.in1, si.in2, si.in3, si.id); fprintf(f, "1-0 1\n"); fprintf(f, "-11 1\n"); + } else if (si.type == G(NMUX)) { + fprintf(f, ".names ys__n%d ys__n%d ys__n%d ys__n%d\n", si.in1, si.in2, si.in3, si.id); + fprintf(f, "0-0 1\n"); + fprintf(f, "-01 1\n"); } else if (si.type == G(AOI3)) { fprintf(f, ".names ys__n%d ys__n%d ys__n%d ys__n%d\n", si.in1, si.in2, si.in3, si.id); fprintf(f, "-00 1\n"); @@ -925,46 +931,50 @@ void abc_module(RTLIL::Design *design, RTLIL::Module *current_module, std::strin { log_header(design, "Executing ABC.\n"); + auto &cell_cost = cmos_cost ? CellCosts::cmos_gate_cost() : CellCosts::default_gate_cost(); + buffer = stringf("%s/stdcells.genlib", tempdir_name.c_str()); f = fopen(buffer.c_str(), "wt"); if (f == NULL) log_error("Opening %s for writing failed: %s\n", buffer.c_str(), strerror(errno)); fprintf(f, "GATE ZERO 1 Y=CONST0;\n"); fprintf(f, "GATE ONE 1 Y=CONST1;\n"); - fprintf(f, "GATE BUF %d Y=A; PIN * NONINV 1 999 1 0 1 0\n", get_cell_cost("$_BUF_")); - fprintf(f, "GATE NOT %d Y=!A; PIN * INV 1 999 1 0 1 0\n", get_cell_cost("$_NOT_")); + fprintf(f, "GATE BUF %d Y=A; PIN * NONINV 1 999 1 0 1 0\n", cell_cost.at("$_BUF_")); + fprintf(f, "GATE NOT %d Y=!A; PIN * INV 1 999 1 0 1 0\n", cell_cost.at("$_NOT_")); if (enabled_gates.empty() || enabled_gates.count("AND")) - fprintf(f, "GATE AND %d Y=A*B; PIN * NONINV 1 999 1 0 1 0\n", get_cell_cost("$_AND_")); + fprintf(f, "GATE AND %d Y=A*B; PIN * NONINV 1 999 1 0 1 0\n", cell_cost.at("$_AND_")); if (enabled_gates.empty() || enabled_gates.count("NAND")) - fprintf(f, "GATE NAND %d Y=!(A*B); PIN * INV 1 999 1 0 1 0\n", get_cell_cost("$_NAND_")); + fprintf(f, "GATE NAND %d Y=!(A*B); PIN * INV 1 999 1 0 1 0\n", cell_cost.at("$_NAND_")); if (enabled_gates.empty() || enabled_gates.count("OR")) - fprintf(f, "GATE OR %d Y=A+B; PIN * NONINV 1 999 1 0 1 0\n", get_cell_cost("$_OR_")); + fprintf(f, "GATE OR %d Y=A+B; PIN * NONINV 1 999 1 0 1 0\n", cell_cost.at("$_OR_")); if (enabled_gates.empty() || enabled_gates.count("NOR")) - fprintf(f, "GATE NOR %d Y=!(A+B); PIN * INV 1 999 1 0 1 0\n", get_cell_cost("$_NOR_")); + fprintf(f, "GATE NOR %d Y=!(A+B); PIN * INV 1 999 1 0 1 0\n", cell_cost.at("$_NOR_")); if (enabled_gates.empty() || enabled_gates.count("XOR")) - fprintf(f, "GATE XOR %d Y=(A*!B)+(!A*B); PIN * UNKNOWN 1 999 1 0 1 0\n", get_cell_cost("$_XOR_")); + fprintf(f, "GATE XOR %d Y=(A*!B)+(!A*B); PIN * UNKNOWN 1 999 1 0 1 0\n", cell_cost.at("$_XOR_")); if (enabled_gates.empty() || enabled_gates.count("XNOR")) - fprintf(f, "GATE XNOR %d Y=(A*B)+(!A*!B); PIN * UNKNOWN 1 999 1 0 1 0\n", get_cell_cost("$_XNOR_")); + fprintf(f, "GATE XNOR %d Y=(A*B)+(!A*!B); PIN * UNKNOWN 1 999 1 0 1 0\n", cell_cost.at("$_XNOR_")); if (enabled_gates.empty() || enabled_gates.count("ANDNOT")) - fprintf(f, "GATE ANDNOT %d Y=A*!B; PIN * UNKNOWN 1 999 1 0 1 0\n", get_cell_cost("$_ANDNOT_")); + fprintf(f, "GATE ANDNOT %d Y=A*!B; PIN * UNKNOWN 1 999 1 0 1 0\n", cell_cost.at("$_ANDNOT_")); if (enabled_gates.empty() || enabled_gates.count("ORNOT")) - fprintf(f, "GATE ORNOT %d Y=A+!B; PIN * UNKNOWN 1 999 1 0 1 0\n", get_cell_cost("$_ORNOT_")); + fprintf(f, "GATE ORNOT %d Y=A+!B; PIN * UNKNOWN 1 999 1 0 1 0\n", cell_cost.at("$_ORNOT_")); if (enabled_gates.empty() || enabled_gates.count("AOI3")) - fprintf(f, "GATE AOI3 %d Y=!((A*B)+C); PIN * INV 1 999 1 0 1 0\n", get_cell_cost("$_AOI3_")); + fprintf(f, "GATE AOI3 %d Y=!((A*B)+C); PIN * INV 1 999 1 0 1 0\n", cell_cost.at("$_AOI3_")); if (enabled_gates.empty() || enabled_gates.count("OAI3")) - fprintf(f, "GATE OAI3 %d Y=!((A+B)*C); PIN * INV 1 999 1 0 1 0\n", get_cell_cost("$_OAI3_")); + fprintf(f, "GATE OAI3 %d Y=!((A+B)*C); PIN * INV 1 999 1 0 1 0\n", cell_cost.at("$_OAI3_")); if (enabled_gates.empty() || enabled_gates.count("AOI4")) - fprintf(f, "GATE AOI4 %d Y=!((A*B)+(C*D)); PIN * INV 1 999 1 0 1 0\n", get_cell_cost("$_AOI4_")); + fprintf(f, "GATE AOI4 %d Y=!((A*B)+(C*D)); PIN * INV 1 999 1 0 1 0\n", cell_cost.at("$_AOI4_")); if (enabled_gates.empty() || enabled_gates.count("OAI4")) - fprintf(f, "GATE OAI4 %d Y=!((A+B)*(C+D)); PIN * INV 1 999 1 0 1 0\n", get_cell_cost("$_OAI4_")); + fprintf(f, "GATE OAI4 %d Y=!((A+B)*(C+D)); PIN * INV 1 999 1 0 1 0\n", cell_cost.at("$_OAI4_")); if (enabled_gates.empty() || enabled_gates.count("MUX")) - fprintf(f, "GATE MUX %d Y=(A*B)+(S*B)+(!S*A); PIN * UNKNOWN 1 999 1 0 1 0\n", get_cell_cost("$_MUX_")); + fprintf(f, "GATE MUX %d Y=(A*B)+(S*B)+(!S*A); PIN * UNKNOWN 1 999 1 0 1 0\n", cell_cost.at("$_MUX_")); + if (enabled_gates.empty() || enabled_gates.count("NMUX")) + fprintf(f, "GATE NMUX %d Y=!((A*B)+(S*B)+(!S*A)); PIN * UNKNOWN 1 999 1 0 1 0\n", cell_cost.at("$_NMUX_")); if (map_mux4) - fprintf(f, "GATE MUX4 %d Y=(!S*!T*A)+(S*!T*B)+(!S*T*C)+(S*T*D); PIN * UNKNOWN 1 999 1 0 1 0\n", 2*get_cell_cost("$_MUX_")); + fprintf(f, "GATE MUX4 %d Y=(!S*!T*A)+(S*!T*B)+(!S*T*C)+(S*T*D); PIN * UNKNOWN 1 999 1 0 1 0\n", 2*cell_cost.at("$_MUX_")); if (map_mux8) - fprintf(f, "GATE MUX8 %d Y=(!S*!T*!U*A)+(S*!T*!U*B)+(!S*T*!U*C)+(S*T*!U*D)+(!S*!T*U*E)+(S*!T*U*F)+(!S*T*U*G)+(S*T*U*H); PIN * UNKNOWN 1 999 1 0 1 0\n", 4*get_cell_cost("$_MUX_")); + fprintf(f, "GATE MUX8 %d Y=(!S*!T*!U*A)+(S*!T*!U*B)+(!S*T*!U*C)+(S*T*!U*D)+(!S*!T*U*E)+(S*!T*U*F)+(!S*T*U*G)+(S*T*U*H); PIN * UNKNOWN 1 999 1 0 1 0\n", 4*cell_cost.at("$_MUX_")); if (map_mux16) - fprintf(f, "GATE MUX16 %d Y=(!S*!T*!U*!V*A)+(S*!T*!U*!V*B)+(!S*T*!U*!V*C)+(S*T*!U*!V*D)+(!S*!T*U*!V*E)+(S*!T*U*!V*F)+(!S*T*U*!V*G)+(S*T*U*!V*H)+(!S*!T*!U*V*I)+(S*!T*!U*V*J)+(!S*T*!U*V*K)+(S*T*!U*V*L)+(!S*!T*U*V*M)+(S*!T*U*V*N)+(!S*T*U*V*O)+(S*T*U*V*P); PIN * UNKNOWN 1 999 1 0 1 0\n", 8*get_cell_cost("$_MUX_")); + fprintf(f, "GATE MUX16 %d Y=(!S*!T*!U*!V*A)+(S*!T*!U*!V*B)+(!S*T*!U*!V*C)+(S*T*!U*!V*D)+(!S*!T*U*!V*E)+(S*!T*U*!V*F)+(!S*T*U*!V*G)+(S*T*U*!V*H)+(!S*!T*!U*V*I)+(S*!T*!U*V*J)+(!S*T*!U*V*K)+(S*T*!U*V*L)+(!S*!T*U*V*M)+(S*!T*U*V*N)+(!S*T*U*V*O)+(S*T*U*V*P); PIN * UNKNOWN 1 999 1 0 1 0\n", 8*cell_cost.at("$_MUX_")); fclose(f); if (!lut_costs.empty()) { @@ -1065,8 +1075,8 @@ void abc_module(RTLIL::Design *design, RTLIL::Module *current_module, std::strin design->select(module, cell); continue; } - if (c->type == "\\MUX") { - RTLIL::Cell *cell = module->addCell(remap_name(c->name), "$_MUX_"); + if (c->type == "\\MUX" || c->type == "\\NMUX") { + RTLIL::Cell *cell = module->addCell(remap_name(c->name), "$_" + c->type.substr(1) + "_"); if (markgroups) cell->attributes["\\abcgroup"] = map_autoidx; cell->setPort("\\A", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\A").as_wire()->name)])); cell->setPort("\\B", RTLIL::SigSpec(module->wires_[remap_name(c->getPort("\\B").as_wire()->name)])); @@ -1406,11 +1416,12 @@ struct AbcPass : public Pass { log("\n"); log(" The following aliases can be used to reference common sets of gate types:\n"); log(" simple: AND OR XOR MUX\n"); - log(" cmos2: NAND NOR\n"); - log(" cmos3: NAND NOR AOI3 OAI3\n"); - log(" cmos4: NAND NOR AOI3 OAI3 AOI4 OAI4\n"); - log(" gates: AND NAND OR NOR XOR XNOR ANDNOT ORNOT\n"); - log(" aig: AND NAND OR NOR ANDNOT ORNOT\n"); + log(" cmos2: NAND NOR\n"); + log(" cmos3: NAND NOR AOI3 OAI3\n"); + log(" cmos4: NAND NOR AOI3 OAI3 AOI4 OAI4\n"); + log(" cmos: NAND NOR AOI3 OAI3 AOI4 OAI4 NMUX MUX XOR XNOR\n"); + log(" gates: AND NAND OR NOR XOR XNOR ANDNOT ORNOT\n"); + log(" aig: AND NAND OR NOR ANDNOT ORNOT\n"); log("\n"); log(" Prefix a gate type with a '-' to remove it from the list. For example\n"); log(" the arguments 'AND,OR,XOR' and 'simple,-MUX' are equivalent.\n"); @@ -1488,6 +1499,7 @@ struct AbcPass : public Pass { map_mux8 = false; map_mux16 = false; enabled_gates.clear(); + cmos_cost = false; #ifdef _WIN32 #ifndef ABCEXTERNAL @@ -1628,11 +1640,15 @@ struct AbcPass : public Pass { goto ok_alias; } if (g == "cmos2") { + if (!remove_gates) + cmos_cost = true; gate_list.push_back("NAND"); gate_list.push_back("NOR"); goto ok_alias; } if (g == "cmos3") { + if (!remove_gates) + cmos_cost = true; gate_list.push_back("NAND"); gate_list.push_back("NOR"); gate_list.push_back("AOI3"); @@ -1640,6 +1656,8 @@ struct AbcPass : public Pass { goto ok_alias; } if (g == "cmos4") { + if (!remove_gates) + cmos_cost = true; gate_list.push_back("NAND"); gate_list.push_back("NOR"); gate_list.push_back("AOI3"); @@ -1648,6 +1666,21 @@ struct AbcPass : public Pass { gate_list.push_back("OAI4"); goto ok_alias; } + if (g == "cmos") { + if (!remove_gates) + cmos_cost = true; + gate_list.push_back("NAND"); + gate_list.push_back("NOR"); + gate_list.push_back("AOI3"); + gate_list.push_back("OAI3"); + gate_list.push_back("AOI4"); + gate_list.push_back("OAI4"); + gate_list.push_back("NMUX"); + gate_list.push_back("MUX"); + gate_list.push_back("XOR"); + gate_list.push_back("XNOR"); + goto ok_alias; + } if (g == "gates") { gate_list.push_back("AND"); gate_list.push_back("NAND"); diff --git a/passes/techmap/extract_fa.cc b/passes/techmap/extract_fa.cc index 591bc43dd..b541ceb6b 100644 --- a/passes/techmap/extract_fa.cc +++ b/passes/techmap/extract_fa.cc @@ -86,7 +86,7 @@ struct ExtractFaWorker for (auto cell : module->selected_cells()) { if (cell->type.in( "$_BUF_", "$_NOT_", "$_AND_", "$_NAND_", "$_OR_", "$_NOR_", - "$_XOR_", "$_XNOR_", "$_ANDNOT_", "$_ORNOT_", "$_MUX_", + "$_XOR_", "$_XNOR_", "$_ANDNOT_", "$_ORNOT_", "$_MUX_", "$_NMUX_", "$_AOI3_", "$_OAI3_", "$_AOI4_", "$_OAI4_")) { SigBit y = sigmap(SigBit(cell->getPort("\\Y"))); diff --git a/passes/techmap/flowmap.cc b/passes/techmap/flowmap.cc index f5892a60e..96d0df5f8 100644 --- a/passes/techmap/flowmap.cc +++ b/passes/techmap/flowmap.cc @@ -783,7 +783,7 @@ struct FlowmapWorker int depth = 0; for (auto label : labels) depth = max(depth, label.second); - log("Mapped to %zu LUTs with maximum depth %d.\n", lut_nodes.size(), depth); + log("Mapped to %d LUTs with maximum depth %d.\n", GetSize(lut_nodes), depth); if (debug) { @@ -1195,7 +1195,7 @@ struct FlowmapWorker bool relax_depth_for_bound(bool first, int depth_bound, dict<RTLIL::SigBit, pool<RTLIL::SigBit>> &lut_critical_outputs) { - size_t initial_count = lut_nodes.size(); + int initial_count = GetSize(lut_nodes); for (auto node : lut_nodes) { @@ -1215,7 +1215,7 @@ struct FlowmapWorker if (potentials.empty()) { - log(" Relaxed to %zu (+%zu) LUTs.\n", lut_nodes.size(), lut_nodes.size() - initial_count); + log(" Relaxed to %d (+%d) LUTs.\n", GetSize(lut_nodes), GetSize(lut_nodes) - initial_count); if (!first && break_num == 1) { log(" Design fully relaxed.\n"); @@ -1419,9 +1419,9 @@ struct FlowmapWorker lut_area += lut_table.size(); if ((int)input_nodes.size() >= minlut) - log(" Packed into a %zu-LUT %s.%s.\n", input_nodes.size(), log_id(module), log_id(lut)); + log(" Packed into a %d-LUT %s.%s.\n", GetSize(input_nodes), log_id(module), log_id(lut)); else - log(" Packed into a %zu-LUT %s.%s (implemented as %d-LUT).\n", input_nodes.size(), log_id(module), log_id(lut), minlut); + log(" Packed into a %d-LUT %s.%s (implemented as %d-LUT).\n", GetSize(input_nodes), log_id(module), log_id(lut), minlut); } for (auto node : mapped_nodes) diff --git a/techlibs/anlogic/anlogic_determine_init.cc b/techlibs/anlogic/anlogic_determine_init.cc index 34b1d4f8a..c4089dac2 100644 --- a/techlibs/anlogic/anlogic_determine_init.cc +++ b/techlibs/anlogic/anlogic_determine_init.cc @@ -50,7 +50,7 @@ struct AnlogicDetermineInitPass : public Pass { extra_args(args, args.size(), design); - size_t cnt = 0; + int cnt = 0; for (auto module : design->selected_modules()) { for (auto cell : module->selected_cells()) @@ -65,7 +65,7 @@ struct AnlogicDetermineInitPass : public Pass { } } } - log_header(design, "Updated %lu cells with determined init value.\n", cnt); + log_header(design, "Updated %d cells with determined init value.\n", cnt); } } AnlogicDetermineInitPass; diff --git a/techlibs/anlogic/anlogic_eqn.cc b/techlibs/anlogic/anlogic_eqn.cc index 741bf04cc..070d39a20 100644 --- a/techlibs/anlogic/anlogic_eqn.cc +++ b/techlibs/anlogic/anlogic_eqn.cc @@ -69,7 +69,7 @@ struct AnlogicEqnPass : public Pass { extra_args(args, args.size(), design); - size_t cnt = 0; + int cnt = 0; for (auto module : design->selected_modules()) { for (auto cell : module->selected_cells()) @@ -106,7 +106,7 @@ struct AnlogicEqnPass : public Pass { } } } - log_header(design, "Updated %lu of AL_MAP_LUT* elements with equation.\n", cnt); + log_header(design, "Updated %d of AL_MAP_LUT* elements with equation.\n", cnt); } } AnlogicEqnPass; diff --git a/techlibs/anlogic/arith_map.v b/techlibs/anlogic/arith_map.v index 11cd140ec..6d6a7ca37 100644 --- a/techlibs/anlogic/arith_map.v +++ b/techlibs/anlogic/arith_map.v @@ -42,10 +42,9 @@ module _80_anlogic_alu (A, B, CI, BI, X, Y, CO); wire [Y_WIDTH-1:0] AA = A_buf; wire [Y_WIDTH-1:0] BB = BI ? ~B_buf : B_buf; wire [Y_WIDTH+1:0] COx; - wire [Y_WIDTH+1:0] C = {COx, CI}; + wire [Y_WIDTH+2:0] C = {COx, CI}; wire dummy; - (* keep *) AL_MAP_ADDER #( .ALUTYPE("ADD_CARRY")) adder_cin ( @@ -55,19 +54,6 @@ module _80_anlogic_alu (A, B, CI, BI, X, Y, CO); genvar i; generate for (i = 0; i < Y_WIDTH; i = i + 1) begin: slice - if(i==Y_WIDTH-1) begin - (* keep *) - AL_MAP_ADDER #( - .ALUTYPE("ADD")) - adder_cout ( - .c(C[Y_WIDTH]), - .o(COx[Y_WIDTH]) - ); - assign CO = COx[Y_WIDTH]; - end - else - begin - (* keep *) AL_MAP_ADDER #( .ALUTYPE("ADD") ) adder_i ( @@ -76,9 +62,15 @@ module _80_anlogic_alu (A, B, CI, BI, X, Y, CO); .c(C[i+1]), .o({COx[i+1],Y[i]}) ); - end end: slice endgenerate /* End implementation */ + AL_MAP_ADDER #( + .ALUTYPE("ADD")) + adder_cout ( + .c(C[Y_WIDTH+1]), + .o(COx[Y_WIDTH+1]) + ); + assign CO = COx[Y_WIDTH+1]; assign X = AA ^ BB; endmodule
\ No newline at end of file diff --git a/techlibs/common/simcells.v b/techlibs/common/simcells.v index 289673e82..64720e598 100644 --- a/techlibs/common/simcells.v +++ b/techlibs/common/simcells.v @@ -230,6 +230,25 @@ endmodule // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| //- +//- $_NMUX_ (A, B, S, Y) +//- +//- A 2-input inverting MUX gate. +//- +//- Truth table: A B S | Y +//- -------+--- +//- 0 - 0 | 1 +//- 1 - 0 | 0 +//- - 0 1 | 1 +//- - 1 1 | 0 +//- +module \$_NMUX_ (A, B, S, Y); +input A, B, S; +output Y; +assign Y = S ? !B : !A; +endmodule + +// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| +//- //- $_MUX4_ (A, B, C, D, S, T, Y) //- //- A 4-input MUX gate. diff --git a/techlibs/gowin/determine_init.cc b/techlibs/gowin/determine_init.cc index 991e5245a..d9a0880f6 100644 --- a/techlibs/gowin/determine_init.cc +++ b/techlibs/gowin/determine_init.cc @@ -50,7 +50,7 @@ struct DetermineInitPass : public Pass { extra_args(args, args.size(), design); - size_t cnt = 0; + int cnt = 0; for (auto module : design->selected_modules()) { for (auto cell : module->selected_cells()) @@ -65,7 +65,7 @@ struct DetermineInitPass : public Pass { } } } - log_header(design, "Updated %lu cells with determined init value.\n", cnt); + log_header(design, "Updated %d cells with determined init value.\n", cnt); } } DetermineInitPass; diff --git a/techlibs/xilinx/xc6s_brams_map.v b/techlibs/xilinx/xc6s_brams_map.v index c9b33af42..16fd15e74 100644 --- a/techlibs/xilinx/xc6s_brams_map.v +++ b/techlibs/xilinx/xc6s_brams_map.v @@ -52,7 +52,7 @@ module \$__XILINX_RAMB8BWER_SDP (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DAT .CLKBRDCLK(CLK2 ^ !CLKPOL2), .ENBRDEN(A1EN), .REGCEBREGCE(|1), - .RSTB(|0) + .RSTBRST(|0) ); endmodule @@ -217,7 +217,7 @@ module \$__XILINX_RAMB8BWER_TDP (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DAT .CLKBRDCLK(CLK3 ^ !CLKPOL3), .ENBRDEN(|1), .REGCEBREGCE(|0), - .RSTB(|0), + .RSTBRST(|0), .WEBWEU(B1EN_2) ); end else begin @@ -248,7 +248,7 @@ module \$__XILINX_RAMB8BWER_TDP (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DAT .CLKBRDCLK(CLK3 ^ !CLKPOL3), .ENBRDEN(|1), .REGCEBREGCE(|0), - .RSTB(|0), + .RSTBRST(|0), .WEBWEU(B1EN_2) ); end endgenerate diff --git a/tests/various/.gitignore b/tests/various/.gitignore index 7b3e8c68e..31078b298 100644 --- a/tests/various/.gitignore +++ b/tests/various/.gitignore @@ -1,2 +1,4 @@ /*.log /*.out +/write_gzip.v +/write_gzip.v.gz diff --git a/tests/various/write_gzip.ys b/tests/various/write_gzip.ys new file mode 100644 index 000000000..030ec318e --- /dev/null +++ b/tests/various/write_gzip.ys @@ -0,0 +1,16 @@ +read -vlog2k <<EOT +module top(input a, output y); +assign y = !a; +endmodule +EOT + +prep -top top +write_verilog write_gzip.v.gz +design -reset + +! rm -f write_gzip.v +! gunzip write_gzip.v.gz +read -vlog2k write_gzip.v +! rm -f write_gzip.v +hierarchy -top top +select -assert-any top |