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Merge pull request #96 from Silimate/fanoutbuf_src_attr 

Changed fanoutbuf.cc to include src attributes on buffers connected t…
This commit is contained in:
Akash Levy 2026-01-28 17:50:46 -08:00 committed by GitHub
parent 9baad1beb7 3ce57442de
commit e8d27892f0
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GPG Key ID: B5690EEEBB952194
1 changed files with 3 additions and 2 deletions
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5
passes/silimate/fanoutbuf.cc
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@ -66,7 +66,7 @@ struct FanoutbufPass : public Pass {
if (wire->port_input) {
auto new_in_name = module->uniquify(wire->name.str().replace(0, 1, "$") + "_new");
auto new_in = module->addWire(new_in_name, wire);
auto iobuf = module->addPos(module->uniquify(wire->name.str() + "_in"), new_in, wire);
auto iobuf = module->addPos(module->uniquify(wire->name.str() + "_in"), new_in, wire, false, wire->get_src_attribute());
iobufs.push_back(iobuf);
module->swap_names(wire, new_in);
wire->port_input = false;
@ -74,7 +74,7 @@ struct FanoutbufPass : public Pass {
if (wire->port_output) {
auto new_out_name = module->uniquify(wire->name.str().replace(0, 1, "$") + "_new");
auto new_out = module->addWire(new_out_name, wire);
auto iobuf = module->addPos(module->uniquify(wire->name.str() + "_out"), wire, new_out);
auto iobuf = module->addPos(module->uniquify(wire->name.str() + "_out"), wire, new_out, false, wire->get_src_attribute());
iobufs.push_back(iobuf);
module->swap_names(wire, new_out);
wire->port_output = false;
@ -131,6 +131,7 @@ struct FanoutbufPass : public Pass {
buf_name = NEW_ID2_SUFFIX("fbuf");
// Create buffer, connect input to bit and output to new wire
Wire *bufout = module->addWire(buf_name.str() + "_out");
bufout->set_src_attribute(cell->get_src_attribute());
Cell *buf = module->addBuf(buf_name, bit, bufout, false, cell->get_src_attribute());
buf->set_bool_attribute("\\keep", true);
sigmap.add(bufout);