1 files changed, 6 insertions, 0 deletions
diff --git a/ice40/main.cc b/ice40/main.cc
index 41d264ad..60f5b444 100644
--- a/ice40/main.cc
+++ b/ice40/main.cc
@@ -106,6 +106,8 @@ int main(int argc, char *argv[])
         options.add_options()("seed", po::value<int>(), "seed value for random number generator");
         options.add_options()("slack_redist_iter", po::value<int>(),
                               "number of iterations between slack redistribution");
+        options.add_options()("cstrweight", po::value<float>(), "placer weighting for relative constraint satisfaction");
+
         options.add_options()("version,V", "show version");
         options.add_options()("tmfuzz", "run path delay estimate fuzzer");
         options.add_options()("test", "check architecture database integrity");
@@ -318,6 +320,10 @@ int main(int argc, char *argv[])
             ctx->slack_redist_iter = vm["slack_redist_iter"].as<int>();
         }
 
+        if (vm.count("cstrweight")) {
+            ctx->placer_constraintWeight = vm["cstrweight"].as<float>();
+        }
+
         if (vm.count("svg")) {
             std::cout << "<svg xmlns=\"http://www.w3.org/2000/svg\" "
                          "xmlns:xlink=\"http://www.w3.org/1999/xlink\">\n";