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-rw-r--r--techlibs/xilinx/synth_xilinx.cc4
1 files changed, 2 insertions, 2 deletions
diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc
index 5c2b1402c..16b607aac 100644
--- a/techlibs/xilinx/synth_xilinx.cc
+++ b/techlibs/xilinx/synth_xilinx.cc
@@ -284,9 +284,9 @@ struct SynthXilinxPass : public ScriptPass
if (check_label("begin")) {
if (vpr)
- run("read_verilog -lib -D_EXPLICIT_CARRY +/xilinx/cells_sim.v");
+ run("read_verilog -lib -D_ABC -D_EXPLICIT_CARRY +/xilinx/cells_sim.v");
else
- run("read_verilog -lib +/xilinx/cells_sim.v");
+ run("read_verilog -lib -D_ABC +/xilinx/cells_sim.v");
if (help_mode)
run("read_verilog -lib +/xilinx/{family}_cells_xtra.v");