verilog_backend: emit sync `$print` cells with same triggers together

Sort by PRIORITY, ensuring output order.
This commit is contained in:
Charlotte 2023-06-28 11:51:32 +10:00 committed by Marcelina Kościelnicka
parent f9d38253c5
commit 04582f2fb7
5 changed files with 297 additions and 274 deletions

View File

@ -1006,6 +1006,41 @@ void dump_cell_expr_binop(std::ostream &f, std::string indent, RTLIL::Cell *cell
f << stringf(";\n");
}
void dump_cell_expr_print(std::ostream &f, std::string indent, RTLIL::Cell *cell)
{
Fmt fmt = {};
fmt.parse_rtlil(cell);
std::vector<VerilogFmtArg> args = fmt.emit_verilog();
f << stringf("%s" "$write(", indent.c_str());
bool first = true;
for (auto &arg : args) {
if (first) {
first = false;
} else {
f << ", ";
}
switch (arg.type) {
case VerilogFmtArg::STRING:
dump_const(f, RTLIL::Const(arg.str));
break;
case VerilogFmtArg::INTEGER:
f << (arg.signed_ ? "$signed(" : "$unsigned(");
dump_sigspec(f, arg.sig);
f << ")";
break;
case VerilogFmtArg::TIME:
if (arg.realtime)
f << "$realtime";
else
f << "$time";
break;
default: log_abort();
}
}
f << stringf(");\n");
}
bool dump_cell_expr(std::ostream &f, std::string indent, RTLIL::Cell *cell)
{
if (cell->type == ID($_NOT_)) {
@ -1756,58 +1791,17 @@ bool dump_cell_expr(std::ostream &f, std::string indent, RTLIL::Cell *cell)
if (cell->type == ID($print))
{
Fmt fmt = {};
fmt.parse_rtlil(cell);
std::vector<VerilogFmtArg> args = fmt.emit_verilog();
// Sync $print cells are accumulated and handled in dump_module.
if (cell->getParam(ID::TRG_ENABLE).as_bool())
return true;
if (cell->getParam(ID::TRG_ENABLE).as_bool()) {
f << stringf("%s" "always @(", indent.c_str());
for (size_t i = 0; i < (size_t)cell->getParam(ID::TRG_WIDTH).as_int(); i++) {
if (i != 0)
f << " or ";
if (cell->getParam(ID::TRG_POLARITY)[i])
f << "posedge ";
else
f << "negedge ";
dump_sigspec(f, cell->getPort(ID::TRG)[i]);
}
f << ")\n";
} else {
f << stringf("%s" "always @*\n", indent.c_str());
}
f << stringf("%s" "always @*\n", indent.c_str());
f << stringf("%s" " if (", indent.c_str());
dump_sigspec(f, cell->getPort(ID::EN));
f << stringf(")\n");
f << stringf("%s" " $write(", indent.c_str());
bool first = true;
for (auto &arg : args) {
if (first) {
first = false;
} else {
f << ", ";
}
switch (arg.type) {
case VerilogFmtArg::STRING:
dump_const(f, RTLIL::Const(arg.str));
break;
case VerilogFmtArg::INTEGER:
f << (arg.signed_ ? "$signed(" : "$unsigned(");
dump_sigspec(f, arg.sig);
f << ")";
break;
case VerilogFmtArg::TIME:
if (arg.realtime)
f << "$realtime";
else
f << "$time";
break;
default: log_abort();
}
}
f << stringf(");\n");
dump_cell_expr_print(f, indent + " ", cell);
return true;
}
@ -1899,6 +1893,34 @@ void dump_cell(std::ostream &f, std::string indent, RTLIL::Cell *cell)
}
}
void dump_sync_print(std::ostream &f, std::string indent, const RTLIL::SigSpec &trg, const RTLIL::Const &polarity, std::vector<RTLIL::Cell*> &cells)
{
f << stringf("%s" "always @(", indent.c_str());
for (int i = 0; i < trg.size(); i++) {
if (i != 0)
f << " or ";
if (polarity[i])
f << "posedge ";
else
f << "negedge ";
dump_sigspec(f, trg[i]);
}
f << ") begin\n";
std::sort(cells.begin(), cells.end(), [](const RTLIL::Cell *a, const RTLIL::Cell *b) {
return a->getParam(ID::PRIORITY).as_int() > b->getParam(ID::PRIORITY).as_int();
});
for (auto cell : cells) {
f << stringf("%s" " if (", indent.c_str());
dump_sigspec(f, cell->getPort(ID::EN));
f << stringf(")\n");
dump_cell_expr_print(f, indent + " ", cell);
}
f << stringf("%s" "end\n", indent.c_str());
}
void dump_conn(std::ostream &f, std::string indent, const RTLIL::SigSpec &left, const RTLIL::SigSpec &right)
{
if (simple_lhs) {
@ -2080,6 +2102,8 @@ void dump_process(std::ostream &f, std::string indent, RTLIL::Process *proc, boo
void dump_module(std::ostream &f, std::string indent, RTLIL::Module *module)
{
std::map<std::pair<RTLIL::SigSpec, RTLIL::Const>, std::vector<RTLIL::Cell*>> sync_print_cells;
reg_wires.clear();
reset_auto_counter(module);
active_module = module;
@ -2110,6 +2134,11 @@ void dump_module(std::ostream &f, std::string indent, RTLIL::Module *module)
std::set<std::pair<RTLIL::Wire*,int>> reg_bits;
for (auto cell : module->cells())
{
if (cell->type == ID($print) && cell->getParam(ID::TRG_ENABLE).as_bool()) {
sync_print_cells[make_pair(cell->getPort(ID::TRG), cell->getParam(ID::TRG_POLARITY))].push_back(cell);
continue;
}
if (!RTLIL::builtin_ff_cell_types().count(cell->type) || !cell->hasPort(ID::Q) || cell->type.in(ID($ff), ID($_FF_)))
continue;
@ -2165,6 +2194,9 @@ void dump_module(std::ostream &f, std::string indent, RTLIL::Module *module)
for (auto cell : module->cells())
dump_cell(f, indent + " ", cell);
for (auto &it : sync_print_cells)
dump_sync_print(f, indent + " ", it.first.first, it.first.second, it.second);
for (auto it = module->processes.begin(); it != module->processes.end(); ++it)
dump_process(f, indent + " ", it->second);

View File

@ -1,243 +1,235 @@
module always_full(input clk, output reg fin);
reg [7:0] counter = 0;
module always_full(input clk);
always @(posedge clk) begin
counter <= counter + 1;
$display("==> small unsigned %%d");
$display(":%d:", 16'haa);
$display(":%-d:", 16'haa);
$display(":%+d:", 16'haa);
$display(":%+-d:", 16'haa);
$display(":%0d:", 16'haa);
$display(":%-0d:", 16'haa);
$display(":%+0d:", 16'haa);
$display(":%+-0d:", 16'haa);
$display(":%20d:", 16'haa);
$display(":%-20d:", 16'haa);
$display(":%+20d:", 16'haa);
$display(":%+-20d:", 16'haa);
$display(":%020d:", 16'haa);
$display(":%-020d:", 16'haa);
$display(":%+020d:", 16'haa);
$display(":%+-020d:", 16'haa);
if (counter == 0) fin <= 0;
$display("==> big unsigned %%d");
$display(":%d:", 16'haaaa);
$display(":%-d:", 16'haaaa);
$display(":%+d:", 16'haaaa);
$display(":%+-d:", 16'haaaa);
$display(":%0d:", 16'haaaa);
$display(":%-0d:", 16'haaaa);
$display(":%+0d:", 16'haaaa);
$display(":%+-0d:", 16'haaaa);
$display(":%20d:", 16'haaaa);
$display(":%-20d:", 16'haaaa);
$display(":%+20d:", 16'haaaa);
$display(":%+-20d:", 16'haaaa);
$display(":%020d:", 16'haaaa);
$display(":%-020d:", 16'haaaa);
$display(":%+020d:", 16'haaaa);
$display(":%+-020d:", 16'haaaa);
if (counter == 2) $display("==> small unsigned %%d");
if (counter == 3) $display(":%d:", 16'haa);
if (counter == 4) $display(":%-d:", 16'haa);
if (counter == 5) $display(":%+d:", 16'haa);
if (counter == 6) $display(":%+-d:", 16'haa);
if (counter == 7) $display(":%0d:", 16'haa);
if (counter == 8) $display(":%-0d:", 16'haa);
if (counter == 9) $display(":%+0d:", 16'haa);
if (counter == 10) $display(":%+-0d:", 16'haa);
if (counter == 11) $display(":%20d:", 16'haa);
if (counter == 12) $display(":%-20d:", 16'haa);
if (counter == 13) $display(":%+20d:", 16'haa);
if (counter == 14) $display(":%+-20d:", 16'haa);
if (counter == 15) $display(":%020d:", 16'haa);
if (counter == 16) $display(":%-020d:", 16'haa);
if (counter == 17) $display(":%+020d:", 16'haa);
if (counter == 18) $display(":%+-020d:", 16'haa);
$display("==> small signed %%d");
$display(":%d:", 16'shaa);
$display(":%-d:", 16'shaa);
$display(":%+d:", 16'shaa);
$display(":%+-d:", 16'shaa);
$display(":%0d:", 16'shaa);
$display(":%-0d:", 16'shaa);
$display(":%+0d:", 16'shaa);
$display(":%+-0d:", 16'shaa);
$display(":%20d:", 16'shaa);
$display(":%-20d:", 16'shaa);
$display(":%+20d:", 16'shaa);
$display(":%+-20d:", 16'shaa);
$display(":%020d:", 16'shaa);
$display(":%-020d:", 16'shaa);
$display(":%+020d:", 16'shaa);
$display(":%+-020d:", 16'shaa);
if (counter == 19) $display("==> big unsigned %%d");
if (counter == 20) $display(":%d:", 16'haaaa);
if (counter == 21) $display(":%-d:", 16'haaaa);
if (counter == 22) $display(":%+d:", 16'haaaa);
if (counter == 23) $display(":%+-d:", 16'haaaa);
if (counter == 24) $display(":%0d:", 16'haaaa);
if (counter == 25) $display(":%-0d:", 16'haaaa);
if (counter == 26) $display(":%+0d:", 16'haaaa);
if (counter == 27) $display(":%+-0d:", 16'haaaa);
if (counter == 28) $display(":%20d:", 16'haaaa);
if (counter == 29) $display(":%-20d:", 16'haaaa);
if (counter == 30) $display(":%+20d:", 16'haaaa);
if (counter == 31) $display(":%+-20d:", 16'haaaa);
if (counter == 32) $display(":%020d:", 16'haaaa);
if (counter == 33) $display(":%-020d:", 16'haaaa);
if (counter == 34) $display(":%+020d:", 16'haaaa);
if (counter == 35) $display(":%+-020d:", 16'haaaa);
$display("==> big signed %%d");
$display(":%d:", 16'shaaaa);
$display(":%-d:", 16'shaaaa);
$display(":%+d:", 16'shaaaa);
$display(":%+-d:", 16'shaaaa);
$display(":%0d:", 16'shaaaa);
$display(":%-0d:", 16'shaaaa);
$display(":%+0d:", 16'shaaaa);
$display(":%+-0d:", 16'shaaaa);
$display(":%20d:", 16'shaaaa);
$display(":%-20d:", 16'shaaaa);
$display(":%+20d:", 16'shaaaa);
$display(":%+-20d:", 16'shaaaa);
$display(":%020d:", 16'shaaaa);
$display(":%-020d:", 16'shaaaa);
$display(":%+020d:", 16'shaaaa);
$display(":%+-020d:", 16'shaaaa);
if (counter == 36) $display("==> small signed %%d");
if (counter == 37) $display(":%d:", 16'shaa);
if (counter == 38) $display(":%-d:", 16'shaa);
if (counter == 39) $display(":%+d:", 16'shaa);
if (counter == 40) $display(":%+-d:", 16'shaa);
if (counter == 41) $display(":%0d:", 16'shaa);
if (counter == 42) $display(":%-0d:", 16'shaa);
if (counter == 43) $display(":%+0d:", 16'shaa);
if (counter == 44) $display(":%+-0d:", 16'shaa);
if (counter == 45) $display(":%20d:", 16'shaa);
if (counter == 46) $display(":%-20d:", 16'shaa);
if (counter == 47) $display(":%+20d:", 16'shaa);
if (counter == 48) $display(":%+-20d:", 16'shaa);
if (counter == 49) $display(":%020d:", 16'shaa);
if (counter == 50) $display(":%-020d:", 16'shaa);
if (counter == 51) $display(":%+020d:", 16'shaa);
if (counter == 52) $display(":%+-020d:", 16'shaa);
$display("==> small unsigned %%h");
$display(":%h:", 16'haa);
$display(":%-h:", 16'haa);
$display(":%0h:", 16'haa);
$display(":%-0h:", 16'haa);
$display(":%20h:", 16'haa);
$display(":%-20h:", 16'haa);
$display(":%020h:", 16'haa);
$display(":%-020h:", 16'haa);
if (counter == 53) $display("==> big signed %%d");
if (counter == 54) $display(":%d:", 16'shaaaa);
if (counter == 55) $display(":%-d:", 16'shaaaa);
if (counter == 56) $display(":%+d:", 16'shaaaa);
if (counter == 57) $display(":%+-d:", 16'shaaaa);
if (counter == 58) $display(":%0d:", 16'shaaaa);
if (counter == 59) $display(":%-0d:", 16'shaaaa);
if (counter == 60) $display(":%+0d:", 16'shaaaa);
if (counter == 61) $display(":%+-0d:", 16'shaaaa);
if (counter == 62) $display(":%20d:", 16'shaaaa);
if (counter == 63) $display(":%-20d:", 16'shaaaa);
if (counter == 64) $display(":%+20d:", 16'shaaaa);
if (counter == 65) $display(":%+-20d:", 16'shaaaa);
if (counter == 66) $display(":%020d:", 16'shaaaa);
if (counter == 67) $display(":%-020d:", 16'shaaaa);
if (counter == 68) $display(":%+020d:", 16'shaaaa);
if (counter == 69) $display(":%+-020d:", 16'shaaaa);
$display("==> big unsigned %%h");
$display(":%h:", 16'haaaa);
$display(":%-h:", 16'haaaa);
$display(":%0h:", 16'haaaa);
$display(":%-0h:", 16'haaaa);
$display(":%20h:", 16'haaaa);
$display(":%-20h:", 16'haaaa);
$display(":%020h:", 16'haaaa);
$display(":%-020h:", 16'haaaa);
if (counter == 70) $display("==> small unsigned %%h");
if (counter == 71) $display(":%h:", 16'haa);
if (counter == 72) $display(":%-h:", 16'haa);
if (counter == 73) $display(":%0h:", 16'haa);
if (counter == 74) $display(":%-0h:", 16'haa);
if (counter == 75) $display(":%20h:", 16'haa);
if (counter == 76) $display(":%-20h:", 16'haa);
if (counter == 77) $display(":%020h:", 16'haa);
if (counter == 78) $display(":%-020h:", 16'haa);
$display("==> small signed %%h");
$display(":%h:", 16'shaa);
$display(":%-h:", 16'shaa);
$display(":%0h:", 16'shaa);
$display(":%-0h:", 16'shaa);
$display(":%20h:", 16'shaa);
$display(":%-20h:", 16'shaa);
$display(":%020h:", 16'shaa);
$display(":%-020h:", 16'shaa);
if (counter == 79) $display("==> big unsigned %%h");
if (counter == 80) $display(":%h:", 16'haaaa);
if (counter == 81) $display(":%-h:", 16'haaaa);
if (counter == 82) $display(":%0h:", 16'haaaa);
if (counter == 83) $display(":%-0h:", 16'haaaa);
if (counter == 84) $display(":%20h:", 16'haaaa);
if (counter == 85) $display(":%-20h:", 16'haaaa);
if (counter == 86) $display(":%020h:", 16'haaaa);
if (counter == 87) $display(":%-020h:", 16'haaaa);
$display("==> big signed %%h");
$display(":%h:", 16'shaaaa);
$display(":%-h:", 16'shaaaa);
$display(":%0h:", 16'shaaaa);
$display(":%-0h:", 16'shaaaa);
$display(":%20h:", 16'shaaaa);
$display(":%-20h:", 16'shaaaa);
$display(":%020h:", 16'shaaaa);
$display(":%-020h:", 16'shaaaa);
if (counter == 88) $display("==> small signed %%h");
if (counter == 89) $display(":%h:", 16'shaa);
if (counter == 90) $display(":%-h:", 16'shaa);
if (counter == 91) $display(":%0h:", 16'shaa);
if (counter == 92) $display(":%-0h:", 16'shaa);
if (counter == 93) $display(":%20h:", 16'shaa);
if (counter == 94) $display(":%-20h:", 16'shaa);
if (counter == 95) $display(":%020h:", 16'shaa);
if (counter == 96) $display(":%-020h:", 16'shaa);
$display("==> small unsigned %%o");
$display(":%o:", 16'haa);
$display(":%-o:", 16'haa);
$display(":%0o:", 16'haa);
$display(":%-0o:", 16'haa);
$display(":%20o:", 16'haa);
$display(":%-20o:", 16'haa);
$display(":%020o:", 16'haa);
$display(":%-020o:", 16'haa);
if (counter == 97) $display("==> big signed %%h");
if (counter == 98) $display(":%h:", 16'shaaaa);
if (counter == 99) $display(":%-h:", 16'shaaaa);
if (counter == 100) $display(":%0h:", 16'shaaaa);
if (counter == 101) $display(":%-0h:", 16'shaaaa);
if (counter == 102) $display(":%20h:", 16'shaaaa);
if (counter == 103) $display(":%-20h:", 16'shaaaa);
if (counter == 104) $display(":%020h:", 16'shaaaa);
if (counter == 105) $display(":%-020h:", 16'shaaaa);
$display("==> big unsigned %%o");
$display(":%o:", 16'haaaa);
$display(":%-o:", 16'haaaa);
$display(":%0o:", 16'haaaa);
$display(":%-0o:", 16'haaaa);
$display(":%20o:", 16'haaaa);
$display(":%-20o:", 16'haaaa);
$display(":%020o:", 16'haaaa);
$display(":%-020o:", 16'haaaa);
if (counter == 106) $display("==> small unsigned %%o");
if (counter == 107) $display(":%o:", 16'haa);
if (counter == 108) $display(":%-o:", 16'haa);
if (counter == 109) $display(":%0o:", 16'haa);
if (counter == 110) $display(":%-0o:", 16'haa);
if (counter == 111) $display(":%20o:", 16'haa);
if (counter == 112) $display(":%-20o:", 16'haa);
if (counter == 113) $display(":%020o:", 16'haa);
if (counter == 114) $display(":%-020o:", 16'haa);
$display("==> small signed %%o");
$display(":%o:", 16'shaa);
$display(":%-o:", 16'shaa);
$display(":%0o:", 16'shaa);
$display(":%-0o:", 16'shaa);
$display(":%20o:", 16'shaa);
$display(":%-20o:", 16'shaa);
$display(":%020o:", 16'shaa);
$display(":%-020o:", 16'shaa);
if (counter == 115) $display("==> big unsigned %%o");
if (counter == 116) $display(":%o:", 16'haaaa);
if (counter == 117) $display(":%-o:", 16'haaaa);
if (counter == 118) $display(":%0o:", 16'haaaa);
if (counter == 119) $display(":%-0o:", 16'haaaa);
if (counter == 120) $display(":%20o:", 16'haaaa);
if (counter == 121) $display(":%-20o:", 16'haaaa);
if (counter == 122) $display(":%020o:", 16'haaaa);
if (counter == 123) $display(":%-020o:", 16'haaaa);
$display("==> big signed %%o");
$display(":%o:", 16'shaaaa);
$display(":%-o:", 16'shaaaa);
$display(":%0o:", 16'shaaaa);
$display(":%-0o:", 16'shaaaa);
$display(":%20o:", 16'shaaaa);
$display(":%-20o:", 16'shaaaa);
$display(":%020o:", 16'shaaaa);
$display(":%-020o:", 16'shaaaa);
if (counter == 124) $display("==> small signed %%o");
if (counter == 125) $display(":%o:", 16'shaa);
if (counter == 126) $display(":%-o:", 16'shaa);
if (counter == 127) $display(":%0o:", 16'shaa);
if (counter == 128) $display(":%-0o:", 16'shaa);
if (counter == 129) $display(":%20o:", 16'shaa);
if (counter == 130) $display(":%-20o:", 16'shaa);
if (counter == 131) $display(":%020o:", 16'shaa);
if (counter == 132) $display(":%-020o:", 16'shaa);
$display("==> small unsigned %%b");
$display(":%b:", 16'haa);
$display(":%-b:", 16'haa);
$display(":%0b:", 16'haa);
$display(":%-0b:", 16'haa);
$display(":%20b:", 16'haa);
$display(":%-20b:", 16'haa);
$display(":%020b:", 16'haa);
$display(":%-020b:", 16'haa);
if (counter == 133) $display("==> big signed %%o");
if (counter == 134) $display(":%o:", 16'shaaaa);
if (counter == 135) $display(":%-o:", 16'shaaaa);
if (counter == 136) $display(":%0o:", 16'shaaaa);
if (counter == 137) $display(":%-0o:", 16'shaaaa);
if (counter == 138) $display(":%20o:", 16'shaaaa);
if (counter == 139) $display(":%-20o:", 16'shaaaa);
if (counter == 140) $display(":%020o:", 16'shaaaa);
if (counter == 141) $display(":%-020o:", 16'shaaaa);
$display("==> big unsigned %%b");
$display(":%b:", 16'haaaa);
$display(":%-b:", 16'haaaa);
$display(":%0b:", 16'haaaa);
$display(":%-0b:", 16'haaaa);
$display(":%20b:", 16'haaaa);
$display(":%-20b:", 16'haaaa);
$display(":%020b:", 16'haaaa);
$display(":%-020b:", 16'haaaa);
if (counter == 142) $display("==> small unsigned %%b");
if (counter == 143) $display(":%b:", 16'haa);
if (counter == 144) $display(":%-b:", 16'haa);
if (counter == 145) $display(":%0b:", 16'haa);
if (counter == 146) $display(":%-0b:", 16'haa);
if (counter == 147) $display(":%20b:", 16'haa);
if (counter == 148) $display(":%-20b:", 16'haa);
if (counter == 149) $display(":%020b:", 16'haa);
if (counter == 150) $display(":%-020b:", 16'haa);
$display("==> small signed %%b");
$display(":%b:", 16'shaa);
$display(":%-b:", 16'shaa);
$display(":%0b:", 16'shaa);
$display(":%-0b:", 16'shaa);
$display(":%20b:", 16'shaa);
$display(":%-20b:", 16'shaa);
$display(":%020b:", 16'shaa);
$display(":%-020b:", 16'shaa);
if (counter == 151) $display("==> big unsigned %%b");
if (counter == 152) $display(":%b:", 16'haaaa);
if (counter == 153) $display(":%-b:", 16'haaaa);
if (counter == 154) $display(":%0b:", 16'haaaa);
if (counter == 155) $display(":%-0b:", 16'haaaa);
if (counter == 156) $display(":%20b:", 16'haaaa);
if (counter == 157) $display(":%-20b:", 16'haaaa);
if (counter == 158) $display(":%020b:", 16'haaaa);
if (counter == 159) $display(":%-020b:", 16'haaaa);
$display("==> big signed %%b");
$display(":%b:", 16'shaaaa);
$display(":%-b:", 16'shaaaa);
$display(":%0b:", 16'shaaaa);
$display(":%-0b:", 16'shaaaa);
$display(":%20b:", 16'shaaaa);
$display(":%-20b:", 16'shaaaa);
$display(":%020b:", 16'shaaaa);
$display(":%-020b:", 16'shaaaa);
if (counter == 160) $display("==> small signed %%b");
if (counter == 161) $display(":%b:", 16'shaa);
if (counter == 162) $display(":%-b:", 16'shaa);
if (counter == 163) $display(":%0b:", 16'shaa);
if (counter == 164) $display(":%-0b:", 16'shaa);
if (counter == 165) $display(":%20b:", 16'shaa);
if (counter == 166) $display(":%-20b:", 16'shaa);
if (counter == 167) $display(":%020b:", 16'shaa);
if (counter == 168) $display(":%-020b:", 16'shaa);
$display("==> time %%t");
$display(":%t:", $time);
$display(":%-t:", $time);
$display(":%0t:", $time);
$display(":%-0t:", $time);
$display(":%10t:", $time);
$display(":%-10t:", $time);
$display(":%015t:", $time);
$display(":%-015t:", $time);
if (counter == 169) $display("==> big signed %%b");
if (counter == 170) $display(":%b:", 16'shaaaa);
if (counter == 171) $display(":%-b:", 16'shaaaa);
if (counter == 172) $display(":%0b:", 16'shaaaa);
if (counter == 173) $display(":%-0b:", 16'shaaaa);
if (counter == 174) $display(":%20b:", 16'shaaaa);
if (counter == 175) $display(":%-20b:", 16'shaaaa);
if (counter == 176) $display(":%020b:", 16'shaaaa);
if (counter == 177) $display(":%-020b:", 16'shaaaa);
$display("===> %%s");
$display(":%10s:", "foo");
$display(":%010s:", "foo");
$display(":%-10s:", "foo");
$display(":%-010s:", "foo");
if (counter == 178) $display("==> time %%t");
if (counter == 179) $display(":%t:", $time);
if (counter == 180) $display(":%-t:", $time);
if (counter == 181) $display(":%0t:", $time);
if (counter == 182) $display(":%-0t:", $time);
if (counter == 183) $display(":%10t:", $time);
if (counter == 184) $display(":%-10t:", $time);
if (counter == 185) $display(":%015t:", $time);
if (counter == 186) $display(":%-015t:", $time);
$display("===> %%c");
$display(":%10c:", "foo");
$display(":%010c:", "foo");
$display(":%-10c:", "foo");
$display(":%-010c:", "foo");
if (counter == 187) $display("===> %%s");
if (counter == 188) $display(":%10s:", "foo");
if (counter == 189) $display(":%010s:", "foo");
if (counter == 190) $display(":%-10s:", "foo");
if (counter == 191) $display(":%-010s:", "foo");
$display("==> aliases");
$display(":%x:", 16'shaa);
$display(":%X:", 16'shaa);
$display(":%H:", 16'shaa);
$display(":%O:", 16'shaa);
$display(":%B:", 16'shaa);
if (counter == 192) $display("===> %%c");
if (counter == 193) $display(":%10c:", "foo");
if (counter == 194) $display(":%010c:", "foo");
if (counter == 195) $display(":%-10c:", "foo");
if (counter == 196) $display(":%-010c:", "foo");
$display("==> default base");
$displayh(16'haa);
$displayo(16'haa);
$displayb(16'haa);
if (counter == 197) $display("==> aliases");
if (counter == 198) $display(":%x:", 16'shaa);
if (counter == 199) $display(":%X:", 16'shaa);
if (counter == 200) $display(":%H:", 16'shaa);
if (counter == 201) $display(":%O:", 16'shaa);
if (counter == 202) $display(":%B:", 16'shaa);
if (counter == 203) $display("==> default base");
if (counter == 204) $displayh(16'haa);
if (counter == 205) $displayo(16'haa);
if (counter == 206) $displayb(16'haa);
if (counter == 207) $display("==> write/format");
if (counter == 208) $display("%d", 1, "%d", 1);
if (counter == 209) fin <= 1;
$display("==> write/format");
$display("%d", 1, "%d", 1);
end

View File

@ -4,12 +4,7 @@
int main()
{
cxxrtl_design::p_always__full uut;
while (true) {
uut.p_clk.set(!uut.p_clk);
uut.step();
if (uut.p_fin.get<bool>())
return 0;
}
uut.p_clk.set(!uut.p_clk);
uut.step();
return 0;
}

View File

@ -1,14 +1,12 @@
module always_full_tb;
reg clk = 0;
wire fin;
always_full uut (.clk(clk), .fin(fin));
always_full uut (.clk(clk));
always begin
#1 clk <= ~clk;
if (fin) $finish;
#1 $finish;
end
endmodule

View File

@ -61,6 +61,12 @@ test_cxxrtl () {
test_cxxrtl always_full
test_cxxrtl always_comb
# Ensure Verilog backend preserves behaviour of always block with multiple $displays.
../../yosys -p "read_verilog always_full.v; prep; clean" -o yosys-always_full-1.v
iverilog -o iverilog-always_full-1 yosys-always_full-1.v always_full_tb.v
./iverilog-always_full-1 |grep -v '\$finish called' >iverilog-always_full-1.log
diff iverilog-always_full.log iverilog-always_full-1.log
../../yosys -p "read_verilog display_lm.v" >yosys-display_lm.log
../../yosys -p "read_verilog display_lm.v; write_cxxrtl yosys-display_lm.cc"
${CC:-gcc} -std=c++11 -o yosys-display_lm_cc -I../.. display_lm_tb.cc -lstdc++