Merge pull request #265 from lnis-uofu/shift_reg

add shift register test case

openfpga_flow/benchmarks/quicklogic_tests/shift_reg_8192/rtl/shift_reg_8192.v

@@ -0,0 +1,24 @@
+//-----------------------------------------------------//
+// Design Name : Shift_reg
+// File Name   : Shift_reg_8192.v
+// Function    : Shift register
+//------------------------------------------------------//
+
+
+module shift_reg_8192 #( parameter size = 8191 ) (shift_in, clk, shift_out);
+
+   // Port Declaration
+   input   shift_in;
+   input   clk;
+   output  shift_out;
+   
+   reg [ size:0 ] shift; // shift register  
+   
+    always @ (posedge clk)
+     begin
+	  shift = { shift[size-1:0] , shift_in } ;	
+     end
+   
+   assign shift_out = shift[size];   
+   
+endmodule