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