1 files changed, 12 insertions, 0 deletions
diff --git a/techlibs/common/stdcells.v b/techlibs/common/stdcells.v
index e33e651ca..fdee26b6f 100644
--- a/techlibs/common/stdcells.v
+++ b/techlibs/common/stdcells.v
@@ -957,6 +957,18 @@ endmodule
 // --------------------------------------------------------
 
 (* techmap_simplemap *)
+module \$slice ;
+endmodule
+
+// --------------------------------------------------------
+
+(* techmap_simplemap *)
+module \$concat ;
+endmodule
+
+// --------------------------------------------------------
+
+(* techmap_simplemap *)
 module \$mux ;
 endmodule