1 files changed, 13 insertions, 0 deletions
diff --git a/tests/arch/common/dffs.v b/tests/arch/common/dffs.v
new file mode 100644
index 000000000..636252d16
--- /dev/null
+++ b/tests/arch/common/dffs.v
@@ -0,0 +1,13 @@
+module dff ( input d, clk, output reg q );
+	  always @( posedge clk )
+        q <= d;
+endmodule
+
+module dffe( input d, clk, en, output reg q );
+    initial begin
+        q = 0;
+    end
+	  always @( posedge clk )
+        if ( en )
+              q <= d;
+endmodule