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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 0adec57a2..80d120fe1 100644
--- a/techlibs/xilinx/synth_xilinx.cc
+++ b/techlibs/xilinx/synth_xilinx.cc
@@ -662,6 +662,7 @@ struct SynthXilinxPass : public ScriptPass
run("hierarchy -check");
run("stat -tech xilinx");
run("check -noinit");
+ run("blackbox =A:whitebox");
}
if (check_label("edif")) {