Remove -D_ABC9

diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc
index 07f3d9a8ac1e6a1adcf07ee706828647054d300b..a99aef7c7eb49ae71cd7c672bcc6223a7358a84c 100644 (file)
--- a/techlibs/xilinx/synth_xilinx.cc
+++ b/techlibs/xilinx/synth_xilinx.cc
@@ -286,8 +286,6 @@ struct SynthXilinxPass : public ScriptPass
                        std::string read_args;
                        if (vpr)
                                read_args += " -D_EXPLICIT_CARRY";
-                       if (abc9)
-                               read_args += " -D_ABC9";
                        read_args += " -lib +/xilinx/cells_sim.v";
                        run("read_verilog" + read_args);