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@@ -166,37 +166,37 @@ static RTLIL::SigSpec mux2rtlil(AstNode *that, const RTLIL::SigSpec &cond, const
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// helper function for creating RTLIL code for wand/wor declarations
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static void wandwor2rtlil(AstNode *that, RTLIL::Wire *output_wire, bool gen_attributes = true)
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{
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std::string type;
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std::string type;
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if (that->is_wand) {
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type = "$reduce_and";
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} else if (that->is_wor) {
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type = "$reduce_or";
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} else {
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log_file_error(that->filename, that->linenum, "Unrecognized wired logic type.\n");
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}
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if (that->is_wand) {
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type = "$reduce_and";
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} else if (that->is_wor) {
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type = "$reduce_or";
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} else {
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log_file_error(that->filename, that->linenum, "Unrecognized wired logic type.\n");
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}
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std::stringstream sstr;
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sstr << type << "$" << that->filename << ":" << that->linenum << "$" << (autoidx++);
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RTLIL::Cell *cell = current_module->addCell(sstr.str(), type);
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cell->attributes["\\src"] = stringf("%s:%d", that->filename.c_str(), that->linenum);
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if (gen_attributes)
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for (auto &attr : that->attributes) {
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if (attr.second->type != AST_CONSTANT)
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log_file_error(that->filename, that->linenum, "Attribute `%s' with non-constant value!\n", attr.first.c_str());
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cell->attributes[attr.first] = attr.second->asAttrConst();
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}
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cell->parameters["\\A_SIGNED"] = RTLIL::Const(0);
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cell->parameters["\\A_WIDTH"] = RTLIL::Const(0);
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cell->setPort("\\A", RTLIL::SigSpec());
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cell->parameters["\\Y_WIDTH"] = RTLIL::Const(1);
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cell->setPort("\\Y", output_wire);
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wire_logic_map[output_wire] = cell;
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wire_logic_map[output_wire] = cell;
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}
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// helper class for converting AST always nodes to RTLIL processes
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@@ -956,12 +956,11 @@ RTLIL::SigSpec AstNode::genRTLIL(int width_hint, bool sign_hint)
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wire->attributes[attr.first] = attr.second->asAttrConst();
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}
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if (is_wand || is_wor) {
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if (wire->width > 1)
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log_file_error(filename, linenum, "Multi-bit wand/wor not supported.\n");
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wandwor2rtlil(this, wire);
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}
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if (is_wand || is_wor) {
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if (wire->width > 1)
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log_file_error(filename, linenum, "Multi-bit wand/wor not supported.\n");
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wandwor2rtlil(this, wire);
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}
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}
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break;
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@@ -1493,45 +1492,44 @@ RTLIL::SigSpec AstNode::genRTLIL(int width_hint, bool sign_hint)
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// add entries to current_module->connections for assignments (outside of always blocks)
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case AST_ASSIGN:
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{
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bool left_had_const = false;
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bool left_had_const = false;
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RTLIL::SigSpec left = children[0]->genRTLIL();
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RTLIL::SigSpec right = children[1]->genWidthRTLIL(left.size());
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RTLIL::SigSpec new_left, new_right;
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for (int i = 0; i < GetSize(left); i++)
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if (left[i].wire) {
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std::map<RTLIL::SigSpec, RTLIL::Cell*>::iterator iter = wire_logic_map.find(left[i].wire);
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if (iter == wire_logic_map.end())
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{
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new_left.append(left[i]);
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} else {
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RTLIL::Cell *reduce_cell = iter->second;
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RTLIL::SigSpec reduce_cell_in = reduce_cell->getPort("\\A");
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int reduce_width = reduce_cell->getParam("\\A_WIDTH").as_int();
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log_warning("%d\n", reduce_cell_in.size());
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RTLIL::SigSpec new_left, new_right;
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for (int i = 0; i < GetSize(left); i++)
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if (left[i].wire) {
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std::map<RTLIL::SigSpec, RTLIL::Cell*>::iterator iter = wire_logic_map.find(left[i].wire);
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if (iter == wire_logic_map.end())
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{
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new_left.append(left[i]);
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} else {
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RTLIL::Cell *reduce_cell = iter->second;
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RTLIL::SigSpec reduce_cell_in = reduce_cell->getPort("\\A");
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int reduce_width = reduce_cell->getParam("\\A_WIDTH").as_int();
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RTLIL::Wire *new_reduce_input = current_module->addWire(
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stringf("%s_in%d", reduce_cell->name.c_str(), reduce_width));
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new_reduce_input->attributes["\\src"] = stringf("%s:%d", filename.c_str(), linenum);
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reduce_cell_in.append(new_reduce_input);
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reduce_cell->setPort("\\A", reduce_cell_in);
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reduce_cell->fixup_parameters();
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new_left.append(new_reduce_input);
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}
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new_right.append(right[i]);
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} else {
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left_had_const = true;
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}
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RTLIL::Wire *new_reduce_input = current_module->addWire(
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stringf("%s_in%d", reduce_cell->name.c_str(), reduce_width));
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new_reduce_input->attributes["\\src"] = stringf("%s:%d", filename.c_str(), linenum);
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reduce_cell_in.append(new_reduce_input);
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reduce_cell->setPort("\\A", reduce_cell_in);
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reduce_cell->fixup_parameters();
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new_left.append(new_reduce_input);
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}
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new_right.append(right[i]);
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} else {
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left_had_const = true;
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}
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left = new_left;
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right = new_right;
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left = new_left;
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right = new_right;
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current_module->connect(RTLIL::SigSig(left, right));
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if (left_had_const)
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log_file_warning(filename, linenum, "Ignoring assignment to constant bits:\n"
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" old assignment: %s = %s\n new assignment: %s = %s.\n",
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log_signal(left), log_signal(right),
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log_signal(new_left), log_signal(new_right));
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if (left_had_const)
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log_file_warning(filename, linenum, "Ignoring assignment to constant bits:\n"
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" old assignment: %s = %s\n new assignment: %s = %s.\n",
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log_signal(left), log_signal(right),
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log_signal(new_left), log_signal(new_right));
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}
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break;
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@@ -1576,14 +1574,34 @@ RTLIL::SigSpec AstNode::genRTLIL(int width_hint, bool sign_hint)
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}
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if (child->type == AST_ARGUMENT) {
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RTLIL::SigSpec sig;
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if (child->children.size() > 0)
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RTLIL::SigSpec new_sig;
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if (child->children.size() > 0) {
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sig = child->children[0]->genRTLIL();
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for (int i = 0; i < GetSize(sig); i++) {
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std::map<RTLIL::SigSpec, RTLIL::Cell*>::iterator iter = wire_logic_map.find(sig[i].wire);
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if (iter == wire_logic_map.end()) {
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new_sig.append(sig[i]);
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} else {
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RTLIL::Cell *reduce_cell = iter->second;
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RTLIL::SigSpec reduce_cell_in = reduce_cell->getPort("\\A");
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int reduce_width = reduce_cell->getParam("\\A_WIDTH").as_int();
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RTLIL::Wire *new_reduce_input = current_module->addWire(
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stringf("%s_in%d", reduce_cell->name.c_str(), reduce_width));
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new_reduce_input->attributes["\\src"] = stringf("%s:%d", filename.c_str(), linenum);
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reduce_cell_in.append(new_reduce_input);
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reduce_cell->setPort("\\A", reduce_cell_in);
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reduce_cell->fixup_parameters();
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new_sig.append(new_reduce_input);
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}
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}
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}
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if (child->str.size() == 0) {
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char buf[100];
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snprintf(buf, 100, "$%d", ++port_counter);
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cell->setPort(buf, sig);
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cell->setPort(buf, new_sig);
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} else {
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cell->setPort(child->str, sig);
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cell->setPort(child->str, new_sig);
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}
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continue;
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}
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