xor2gate.vbe

i need of vhdl code for 32-bit risc processor

ENTITY xor2gate IS
PORT (
a5 : IN BIT;
b5 : IN BIT;
d5 : OUT BIT
);
END xor2gate;

ARCHITECTURE xor2_arch OF xor2gate IS

BEGIN
  with a5&b5 select
  d5 <= b"0" when b"00",
     b"1" when b"01",
     b"1" when b"10",
     b"0" when b"11";
END;