#PARALLEL INPUT SERIAL OUTPUT SHIFT REGISTER VHDL CODE CODE#
Feel free to post the DUT code and maybe we can poke at it more. I would have to see the DUT code to understand what you are doing.
Barrel shifter takes parallel data input and give shifted output either in left or. Right Click on System from Project Explorer and select VHDL Editor from the List VHDL Code For 4-bit Serial In Parallel Out (SIPO) Shift Register.