Missing help_mode

diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc
index a0e77021ab14160aea2fa5ffe699e52ad9daafac..dd8b518187d18cd7c9bb03beb54e1dc27785e78f 100644 (file)
--- a/techlibs/xilinx/synth_xilinx.cc
+++ b/techlibs/xilinx/synth_xilinx.cc
@@ -232,7 +232,7 @@ struct SynthXilinxPass : public ScriptPass
                        //   cells for identifying variable-length shift registers,
                        //   so attempt to convert $pmux-es to the former
                        // Also: wide multiplexer inference benefits from this too
-                       if (!nosrl || !nomux)
+                       if (!nosrl || !nomux || help_mode)
                                run("pmux2shiftx", "(skip if '-nosrl' and '-nomux')");
 
                        run("opt -fast -full");