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-rw-r--r--techlibs/xilinx/synth_xilinx.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc
index a061c8dc0..971089b28 100644
--- a/techlibs/xilinx/synth_xilinx.cc
+++ b/techlibs/xilinx/synth_xilinx.cc
@@ -570,6 +570,7 @@ struct SynthXilinxPass : public ScriptPass
else
techmap_args += " -map " + ff_map_file;
run("techmap " + techmap_args);
+ run("xilinx_dffopt");
run("clean");
}