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-rw-r--r--techlibs/xilinx/abc9_model.v3
1 files changed, 3 insertions, 0 deletions
diff --git a/techlibs/xilinx/abc9_model.v b/techlibs/xilinx/abc9_model.v
index c17d6744a..cc0e5ec41 100644
--- a/techlibs/xilinx/abc9_model.v
+++ b/techlibs/xilinx/abc9_model.v
@@ -30,6 +30,9 @@ module \$__XILINX_MUXF78 (output O, input I0, I1, I2, I3, S0, S1);
: (S0 ? I1 : I0);
endmodule
+module \$__ABC9_FF_ (input D, output Q);
+endmodule
+
(* abc_box_id = 1000 *)
module \$__ABC9_ASYNC (input A, S, output Y);
endmodule