diff options
Diffstat (limited to 'ice40/bitstream.cc')
| -rw-r--r-- | ice40/bitstream.cc | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/ice40/bitstream.cc b/ice40/bitstream.cc index 924868b5..16d801e8 100644 --- a/ice40/bitstream.cc +++ b/ice40/bitstream.cc @@ -592,10 +592,13 @@ void read_config(Context *ctx, std::istream &in, chipconfig_t &config) int wireIndex = atoi(strtok(nullptr, " \t\r\n"));
const char *name = strtok(nullptr, " \t\r\n");
- std::unique_ptr<NetInfo> created_net = std::unique_ptr<NetInfo>(new NetInfo);
IdString netName = ctx->id(name);
- created_net->name = netName;
- ctx->nets[netName] = std::move(created_net);
+
+ if (ctx->nets.find(netName) == ctx->nets.end()) {
+ std::unique_ptr<NetInfo> created_net = std::unique_ptr<NetInfo>(new NetInfo);
+ created_net->name = netName;
+ ctx->nets[netName] = std::move(created_net);
+ }
WireId wire;
wire.index = wireIndex;
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