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Merge pull request #742 from acomodi/interchange-do-not-output-zero-user-nets

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interchange: phys: do not output nets which have no users
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gatecat 2021-07-01 13:12:19 +01:00 committed by GitHub
commit 8b4e880827
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1 changed files with 12 additions and 1 deletions
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13
fpga_interchange/fpga_interchange.cpp
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@ -535,11 +535,22 @@ void FpgaInterchange::write_physical_netlist(const Context * ctx, const std::str
phys_cell.setPhysType(PhysicalNetlist::PhysNetlist::PhysCellType::PORT);
}
auto nets = phys_netlist.initPhysNets(ctx->nets.size());
int nets_to_remove = 0;
for(auto & net_pair : ctx->nets) {
auto &net = *net_pair.second;
if (net.users.empty())
nets_to_remove++;
}
auto nets = phys_netlist.initPhysNets(ctx->nets.size() - nets_to_remove);
auto net_iter = nets.begin();
for(auto & net_pair : ctx->nets) {
auto &net = *net_pair.second;
if (net.users.empty())
continue;
const CellInfo *driver_cell = net.driver.cell;
auto net_out = *net_iter++;