1 files changed, 17 insertions, 11 deletions
diff --git a/tests/arch/common/shifter.v b/tests/arch/common/shifter.v
index cace3b588..06e63c9af 100644
--- a/tests/arch/common/shifter.v
+++ b/tests/arch/common/shifter.v
@@ -1,11 +1,17 @@
-module top(out, clk, in);
-    output [7:0] out;
-    input signed clk, in;
-    reg signed [7:0] out = 0;
-
-    always @(posedge clk)
-	begin
-		out    <= out >> 1;
-		out[7] <= in;
-	end    
-endmodule
+module top(out, clk, in);
+    output [7:0] out;
+    input signed clk, in;
+    reg signed [7:0] out;
+
+`ifndef NO_INIT
+    initial begin
+        out = 0;
+    end
+`endif
+
+    always @(posedge clk)
+	begin
+		out    <= out >> 1;
+		out[7] <= in;
+	end    
+endmodule