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-rw-r--r--passes/tests/test_cell.cc165
1 files changed, 103 insertions, 62 deletions
diff --git a/passes/tests/test_cell.cc b/passes/tests/test_cell.cc
index 1fa90b540..268f25598 100644
--- a/passes/tests/test_cell.cc
+++ b/passes/tests/test_cell.cc
@@ -24,6 +24,9 @@
#include "kernel/macc.h"
#include <algorithm>
+USING_YOSYS_NAMESPACE
+PRIVATE_NAMESPACE_BEGIN
+
static uint32_t xorshift32_state = 123456789;
static uint32_t xorshift32(uint32_t limit) {
@@ -33,7 +36,7 @@ static uint32_t xorshift32(uint32_t limit) {
return xorshift32_state % limit;
}
-static void create_gold_module(RTLIL::Design *design, RTLIL::IdString cell_type, std::string cell_type_flags, bool constmode)
+static void create_gold_module(RTLIL::Design *design, RTLIL::IdString cell_type, std::string cell_type_flags, bool constmode, bool muxdiv)
{
RTLIL::Module *module = design->addModule("\\gold");
RTLIL::Cell *cell = module->addCell("\\UUT", cell_type);
@@ -199,6 +202,13 @@ static void create_gold_module(RTLIL::Design *design, RTLIL::IdString cell_type,
cell->setPort("\\Y", wire);
}
+ if (muxdiv && (cell_type == "$div" || cell_type == "$mod")) {
+ auto b_not_zero = module->ReduceBool(NEW_ID, cell->getPort("\\B"));
+ auto div_out = module->addWire(NEW_ID, GetSize(cell->getPort("\\Y")));
+ module->addMux(NEW_ID, RTLIL::SigSpec(0, GetSize(div_out)), div_out, b_not_zero, cell->getPort("\\Y"));
+ cell->setPort("\\Y", div_out);
+ }
+
if (cell_type == "$alu")
{
wire = module->addWire("\\CI");
@@ -210,12 +220,12 @@ static void create_gold_module(RTLIL::Design *design, RTLIL::IdString cell_type,
cell->setPort("\\BI", wire);
wire = module->addWire("\\X");
- wire->width = SIZE(cell->getPort("\\Y"));
+ wire->width = GetSize(cell->getPort("\\Y"));
wire->port_output = true;
cell->setPort("\\X", wire);
wire = module->addWire("\\CO");
- wire->width = SIZE(cell->getPort("\\Y"));
+ wire->width = GetSize(cell->getPort("\\Y"));
wire->port_output = true;
cell->setPort("\\CO", wire);
}
@@ -227,25 +237,25 @@ static void create_gold_module(RTLIL::Design *design, RTLIL::IdString cell_type,
{
RTLIL::SigSpec sig = conn.second;
- if (SIZE(sig) == 0 || sig[0].wire == nullptr || sig[0].wire->port_output)
+ if (GetSize(sig) == 0 || sig[0].wire == nullptr || sig[0].wire->port_output)
continue;
int n, m;
switch (xorshift32(5))
{
case 0:
- n = xorshift32(SIZE(sig) + 1);
+ n = xorshift32(GetSize(sig) + 1);
for (int i = 0; i < n; i++)
sig[i] = xorshift32(2) == 1 ? RTLIL::S1 : RTLIL::S0;
break;
case 1:
- n = xorshift32(SIZE(sig) + 1);
- for (int i = n; i < SIZE(sig); i++)
+ n = xorshift32(GetSize(sig) + 1);
+ for (int i = n; i < GetSize(sig); i++)
sig[i] = xorshift32(2) == 1 ? RTLIL::S1 : RTLIL::S0;
break;
case 2:
- n = xorshift32(SIZE(sig));
- m = xorshift32(SIZE(sig));
+ n = xorshift32(GetSize(sig));
+ m = xorshift32(GetSize(sig));
for (int i = std::min(n, m); i < std::max(n, m); i++)
sig[i] = xorshift32(2) == 1 ? RTLIL::S1 : RTLIL::S0;
break;
@@ -268,10 +278,10 @@ static void run_eval_test(RTLIL::Design *design, bool verbose, bool nosat, std::
RTLIL::Module *gate_mod = design->module("\\gate");
ConstEval gold_ce(gold_mod), gate_ce(gate_mod);
- ezDefaultSAT ez1, ez2;
+ ezSatPtr ez1, ez2;
SigMap sigmap(gold_mod);
- SatGen satgen1(&ez1, &sigmap);
- SatGen satgen2(&ez2, &sigmap);
+ SatGen satgen1(ez1.get(), &sigmap);
+ SatGen satgen2(ez2.get(), &sigmap);
satgen2.model_undef = true;
if (!nosat)
@@ -287,19 +297,19 @@ static void run_eval_test(RTLIL::Design *design, bool verbose, bool nosat, std::
for (auto port : gold_mod->ports) {
RTLIL::Wire *wire = gold_mod->wire(port);
if (wire->port_input)
- vlog_file << stringf(" reg [%d:0] %s;\n", SIZE(wire)-1, log_id(wire));
+ vlog_file << stringf(" reg [%d:0] %s;\n", GetSize(wire)-1, log_id(wire));
else
- vlog_file << stringf(" wire [%d:0] %s_expr, %s_noexpr;\n", SIZE(wire)-1, log_id(wire), log_id(wire));
+ vlog_file << stringf(" wire [%d:0] %s_expr, %s_noexpr;\n", GetSize(wire)-1, log_id(wire), log_id(wire));
}
vlog_file << stringf(" %s_expr uut_expr(", uut_name.c_str());
- for (int i = 0; i < SIZE(gold_mod->ports); i++)
+ for (int i = 0; i < GetSize(gold_mod->ports); i++)
vlog_file << stringf("%s.%s(%s%s)", i ? ", " : "", log_id(gold_mod->ports[i]), log_id(gold_mod->ports[i]),
gold_mod->wire(gold_mod->ports[i])->port_input ? "" : "_expr");
vlog_file << stringf(");\n");
vlog_file << stringf(" %s_expr uut_noexpr(", uut_name.c_str());
- for (int i = 0; i < SIZE(gold_mod->ports); i++)
+ for (int i = 0; i < GetSize(gold_mod->ports); i++)
vlog_file << stringf("%s.%s(%s%s)", i ? ", " : "", log_id(gold_mod->ports[i]), log_id(gold_mod->ports[i]),
gold_mod->wire(gold_mod->ports[i])->port_input ? "" : "_noexpr");
vlog_file << stringf(");\n");
@@ -327,18 +337,18 @@ static void run_eval_test(RTLIL::Design *design, bool verbose, bool nosat, std::
log_assert(gold_wire != nullptr);
log_assert(gate_wire != nullptr);
log_assert(gold_wire->port_input == gate_wire->port_input);
- log_assert(SIZE(gold_wire) == SIZE(gate_wire));
+ log_assert(GetSize(gold_wire) == GetSize(gate_wire));
if (!gold_wire->port_input)
continue;
RTLIL::Const in_value;
- for (int i = 0; i < SIZE(gold_wire); i++)
+ for (int i = 0; i < GetSize(gold_wire); i++)
in_value.bits.push_back(xorshift32(2) ? RTLIL::S1 : RTLIL::S0);
if (xorshift32(4) == 0) {
int inv_chance = 1 + xorshift32(8);
- for (int i = 0; i < SIZE(gold_wire); i++)
+ for (int i = 0; i < GetSize(gold_wire); i++)
if (xorshift32(inv_chance) == 0)
in_value.bits[i] = RTLIL::Sx;
}
@@ -352,7 +362,7 @@ static void run_eval_test(RTLIL::Design *design, bool verbose, bool nosat, std::
gold_ce.set(gold_wire, in_value);
gate_ce.set(gate_wire, in_value);
- if (vlog_file.is_open() && SIZE(in_value) > 0) {
+ if (vlog_file.is_open() && GetSize(in_value) > 0) {
vlog_file << stringf(" %s = 'b%s;\n", log_id(gold_wire), in_value.as_string().c_str());
if (!vlog_pattern_info.empty())
vlog_pattern_info += " ";
@@ -371,7 +381,7 @@ static void run_eval_test(RTLIL::Design *design, bool verbose, bool nosat, std::
log_assert(gold_wire != nullptr);
log_assert(gate_wire != nullptr);
log_assert(gold_wire->port_output == gate_wire->port_output);
- log_assert(SIZE(gold_wire) == SIZE(gate_wire));
+ log_assert(GetSize(gold_wire) == GetSize(gate_wire));
if (!gold_wire->port_output)
continue;
@@ -386,7 +396,7 @@ static void run_eval_test(RTLIL::Design *design, bool verbose, bool nosat, std::
log_error("Failed to eval %s in gate module.\n", log_id(gate_wire));
bool gold_gate_mismatch = false;
- for (int i = 0; i < SIZE(gold_wire); i++) {
+ for (int i = 0; i < GetSize(gold_wire); i++) {
if (gold_outval[i] == RTLIL::Sx)
continue;
if (gold_outval[i] == gate_outval[i])
@@ -406,9 +416,9 @@ static void run_eval_test(RTLIL::Design *design, bool verbose, bool nosat, std::
if (vlog_file.is_open()) {
vlog_file << stringf(" $display(\"[%s] %s expected: %%b, expr: %%b, noexpr: %%b\", %d'b%s, %s_expr, %s_noexpr);\n",
- vlog_pattern_info.c_str(), log_id(gold_wire), SIZE(gold_outval), gold_outval.as_string().c_str(), log_id(gold_wire), log_id(gold_wire));
- vlog_file << stringf(" if (%s_expr !== %d'b%s) begin $display(\"ERROR\"); $finish; end\n", log_id(gold_wire), SIZE(gold_outval), gold_outval.as_string().c_str());
- vlog_file << stringf(" if (%s_noexpr !== %d'b%s) begin $display(\"ERROR\"); $finish; end\n", log_id(gold_wire), SIZE(gold_outval), gold_outval.as_string().c_str());
+ vlog_pattern_info.c_str(), log_id(gold_wire), GetSize(gold_outval), gold_outval.as_string().c_str(), log_id(gold_wire), log_id(gold_wire));
+ vlog_file << stringf(" if (%s_expr !== %d'b%s) begin $display(\"ERROR\"); $finish; end\n", log_id(gold_wire), GetSize(gold_outval), gold_outval.as_string().c_str());
+ vlog_file << stringf(" if (%s_noexpr !== %d'b%s) begin $display(\"ERROR\"); $finish; end\n", log_id(gold_wire), GetSize(gold_outval), gold_outval.as_string().c_str());
}
}
@@ -423,17 +433,17 @@ static void run_eval_test(RTLIL::Design *design, bool verbose, bool nosat, std::
std::vector<int> sat1_model = satgen1.importSigSpec(out_sig);
std::vector<bool> sat1_model_value;
- if (!ez1.solve(sat1_model, sat1_model_value, ez1.vec_eq(sat1_in_sig, sat1_in_val)))
+ if (!ez1->solve(sat1_model, sat1_model_value, ez1->vec_eq(sat1_in_sig, sat1_in_val)))
log_error("Evaluating sat model 1 (no undef modeling) failed!\n");
if (verbose) {
log("SAT 1: ");
- for (int i = SIZE(out_sig)-1; i >= 0; i--)
+ for (int i = GetSize(out_sig)-1; i >= 0; i--)
log("%c", sat1_model_value.at(i) ? '1' : '0');
log("\n");
}
- for (int i = 0; i < SIZE(out_sig); i++) {
+ for (int i = 0; i < GetSize(out_sig); i++) {
if (out_val[i] != RTLIL::S0 && out_val[i] != RTLIL::S1)
continue;
if (out_val[i] == RTLIL::S0 && sat1_model_value.at(i) == false)
@@ -458,18 +468,18 @@ static void run_eval_test(RTLIL::Design *design, bool verbose, bool nosat, std::
std::vector<bool> sat2_model_value;
- if (!ez2.solve(sat2_model, sat2_model_value, ez2.vec_eq(sat2_in_def_sig, sat2_in_def_val), ez2.vec_eq(sat2_in_undef_sig, sat2_in_undef_val)))
+ if (!ez2->solve(sat2_model, sat2_model_value, ez2->vec_eq(sat2_in_def_sig, sat2_in_def_val), ez2->vec_eq(sat2_in_undef_sig, sat2_in_undef_val)))
log_error("Evaluating sat model 2 (undef modeling) failed!\n");
if (verbose) {
log("SAT 2: ");
- for (int i = SIZE(out_sig)-1; i >= 0; i--)
- log("%c", sat2_model_value.at(SIZE(out_sig) + i) ? 'x' : sat2_model_value.at(i) ? '1' : '0');
+ for (int i = GetSize(out_sig)-1; i >= 0; i--)
+ log("%c", sat2_model_value.at(GetSize(out_sig) + i) ? 'x' : sat2_model_value.at(i) ? '1' : '0');
log("\n");
}
- for (int i = 0; i < SIZE(out_sig); i++) {
- if (sat2_model_value.at(SIZE(out_sig) + i)) {
+ for (int i = 0; i < GetSize(out_sig); i++) {
+ if (sat2_model_value.at(GetSize(out_sig) + i)) {
if (out_val[i] != RTLIL::S0 && out_val[i] != RTLIL::S1)
continue;
} else {
@@ -505,7 +515,7 @@ struct TestCellPass : public Pass {
log("by comparing SAT solver, EVAL and TECHMAP implementations of the cell types..\n");
log("\n");
log("Run with 'all' instead of a cell type to run the test on all supported\n");
- log("cell types.\n");
+ log("cell types. Use for example 'all /$add' for all cell types except $add.\n");
log("\n");
log(" -n {integer}\n");
log(" create this number of cell instances and test them (default = 100).\n");
@@ -516,12 +526,20 @@ struct TestCellPass : public Pass {
log(" -f {ilang_file}\n");
log(" don't generate circuits. instead load the specified ilang file.\n");
log("\n");
+ log(" -w {filename_prefix}\n");
+ log(" don't test anything. just generate the circuits and write them\n");
+ log(" to ilang files with the specified prefix\n");
+ log("\n");
log(" -map {filename}\n");
log(" pass this option to techmap.\n");
log("\n");
- log(" -simplib\n");
+ log(" -simlib\n");
log(" use \"techmap -map +/simlib.v -max_iter 2 -autoproc\"\n");
log("\n");
+ log(" -muxdiv\n");
+ log(" when creating test benches with dividers, create an additional mux\n");
+ log(" to mask out the division-by-zero case\n");
+ log("\n");
log(" -script {script_file}\n");
log(" instead of calling \"techmap\", call \"script {script_file}\".\n");
log("\n");
@@ -542,34 +560,39 @@ struct TestCellPass : public Pass {
{
int num_iter = 100;
std::string techmap_cmd = "techmap -assert";
- std::string ilang_file;
+ std::string ilang_file, write_prefix;
xorshift32_state = 0;
std::ofstream vlog_file;
+ bool muxdiv = false;
bool verbose = false;
bool constmode = false;
bool nosat = false;
int argidx;
- for (argidx = 1; argidx < SIZE(args); argidx++)
+ for (argidx = 1; argidx < GetSize(args); argidx++)
{
- if (args[argidx] == "-n" && argidx+1 < SIZE(args)) {
+ if (args[argidx] == "-n" && argidx+1 < GetSize(args)) {
num_iter = atoi(args[++argidx].c_str());
continue;
}
- if (args[argidx] == "-s" && argidx+1 < SIZE(args)) {
+ if (args[argidx] == "-s" && argidx+1 < GetSize(args)) {
xorshift32_state = atoi(args[++argidx].c_str());
continue;
}
- if (args[argidx] == "-map" && argidx+1 < SIZE(args)) {
+ if (args[argidx] == "-map" && argidx+1 < GetSize(args)) {
techmap_cmd += " -map " + args[++argidx];
continue;
}
- if (args[argidx] == "-f" && argidx+1 < SIZE(args)) {
+ if (args[argidx] == "-f" && argidx+1 < GetSize(args)) {
ilang_file = args[++argidx];
num_iter = 1;
continue;
}
- if (args[argidx] == "-script" && argidx+1 < SIZE(args)) {
+ if (args[argidx] == "-w" && argidx+1 < GetSize(args)) {
+ write_prefix = args[++argidx];
+ continue;
+ }
+ if (args[argidx] == "-script" && argidx+1 < GetSize(args)) {
techmap_cmd = "script " + args[++argidx];
continue;
}
@@ -577,6 +600,10 @@ struct TestCellPass : public Pass {
techmap_cmd = "techmap -map +/simlib.v -max_iter 2 -autoproc";
continue;
}
+ if (args[argidx] == "-muxdiv") {
+ muxdiv = true;
+ continue;
+ }
if (args[argidx] == "-const") {
constmode = true;
continue;
@@ -589,7 +616,7 @@ struct TestCellPass : public Pass {
verbose = true;
continue;
}
- if (args[argidx] == "-vlog" && argidx+1 < SIZE(args)) {
+ if (args[argidx] == "-vlog" && argidx+1 < GetSize(args)) {
vlog_file.open(args[++argidx], std::ios_base::trunc);
if (!vlog_file.is_open())
log_cmd_error("Failed to open output file `%s'.\n", args[argidx].c_str());
@@ -660,7 +687,7 @@ struct TestCellPass : public Pass {
cell_types["$macc"] = "*";
cell_types["$fa"] = "*";
- for (; argidx < SIZE(args); argidx++)
+ for (; argidx < GetSize(args); argidx++)
{
if (args[argidx].rfind("-", 0) == 0)
log_cmd_error("Unexpected option: %s\n", args[argidx].c_str());
@@ -672,6 +699,15 @@ struct TestCellPass : public Pass {
continue;
}
+ if (args[argidx].substr(0, 1) == "/") {
+ std::vector<std::string> new_selected_cell_types;
+ for (auto it : selected_cell_types)
+ if (it != args[argidx].substr(1))
+ new_selected_cell_types.push_back(it);
+ new_selected_cell_types.swap(selected_cell_types);
+ continue;
+ }
+
if (cell_types.count(args[argidx]) == 0) {
std::string cell_type_list;
int charcount = 100;
@@ -681,7 +717,7 @@ struct TestCellPass : public Pass {
charcount = 0;
} else
cell_type_list += " " + it.first;
- charcount += SIZE(it.first);
+ charcount += GetSize(it.first);
}
log_cmd_error("The cell type `%s' is currently not supported. Try one of these:%s\n",
args[argidx].c_str(), cell_type_list.c_str());
@@ -709,24 +745,28 @@ struct TestCellPass : public Pass {
if (cell_type == "ilang")
Frontend::frontend_call(design, NULL, std::string(), "ilang " + ilang_file);
else
- create_gold_module(design, cell_type, cell_types.at(cell_type), constmode);
- Pass::call(design, stringf("copy gold gate; cd gate; %s; cd ..; opt -fast gate", techmap_cmd.c_str()));
- if (!nosat)
- Pass::call(design, "miter -equiv -flatten -make_outputs -ignore_gold_x gold gate miter");
- if (verbose)
- Pass::call(design, "dump gate");
- Pass::call(design, "dump gold");
- if (!nosat)
- Pass::call(design, "sat -verify -enable_undef -prove trigger 0 -show-inputs -show-outputs miter");
- std::string uut_name = stringf("uut_%s_%d", cell_type.substr(1).c_str(), i);
- if (vlog_file.is_open()) {
- Pass::call(design, stringf("copy gold %s_expr; select %s_expr", uut_name.c_str(), uut_name.c_str()));
- Backend::backend_call(design, &vlog_file, "<test_cell -vlog>", "verilog -selected");
- Pass::call(design, stringf("copy gold %s_noexpr; select %s_noexpr", uut_name.c_str(), uut_name.c_str()));
- Backend::backend_call(design, &vlog_file, "<test_cell -vlog>", "verilog -selected -noexpr");
- uut_names.push_back(uut_name);
+ create_gold_module(design, cell_type, cell_types.at(cell_type), constmode, muxdiv);
+ if (!write_prefix.empty()) {
+ Pass::call(design, stringf("write_ilang %s_%s_%05d.il", write_prefix.c_str(), cell_type.c_str()+1, i));
+ } else {
+ Pass::call(design, stringf("copy gold gate; cd gate; %s; cd ..; opt -fast gate", techmap_cmd.c_str()));
+ if (!nosat)
+ Pass::call(design, "miter -equiv -flatten -make_outputs -ignore_gold_x gold gate miter");
+ if (verbose)
+ Pass::call(design, "dump gate");
+ Pass::call(design, "dump gold");
+ if (!nosat)
+ Pass::call(design, "sat -verify -enable_undef -prove trigger 0 -show-inputs -show-outputs miter");
+ std::string uut_name = stringf("uut_%s_%d", cell_type.substr(1).c_str(), i);
+ if (vlog_file.is_open()) {
+ Pass::call(design, stringf("copy gold %s_expr; select %s_expr", uut_name.c_str(), uut_name.c_str()));
+ Backend::backend_call(design, &vlog_file, "<test_cell -vlog>", "verilog -selected");
+ Pass::call(design, stringf("copy gold %s_noexpr; select %s_noexpr", uut_name.c_str(), uut_name.c_str()));
+ Backend::backend_call(design, &vlog_file, "<test_cell -vlog>", "verilog -selected -noexpr");
+ uut_names.push_back(uut_name);
+ }
+ run_eval_test(design, verbose, nosat, uut_name, vlog_file);
}
- run_eval_test(design, verbose, nosat, uut_name, vlog_file);
delete design;
}
@@ -743,3 +783,4 @@ struct TestCellPass : public Pass {
}
} TestCellPass;
+PRIVATE_NAMESPACE_END
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-01 03:44:11 +0000