not3.vbe

i need of vhdl code for 32-bit risc processor

ENTITY not3 IS
PORT (
n1 : IN bit_vector(2 downto 0);
n2 : OUT bit_vector(2 downto 0)
);
END not3;

ARCHITECTURE not3_arch OF not3 IS
begin
n2(0)<= NOT(n1(0));
n2(1) <= NOT(n1(1));
n2(2) <= NOT(n1(2));
end;