unpack.pat

i need of vhdl code for 32-bit risc processor

in fpval (7 to 0) B;
out sign B;
out exp (2 to 0) B;
out mantissa (4 to 0) B;

begin
po : 11011111 ?1 ?101 ?11111;
p1 : 01011100 ?0 ?101 ?11100;
p2 : 11110111 ?1 ?111 ?10111;
end;