add3.pat

i need of vhdl code for 32-bit risc processor

in avala (2 to 0) B; 
in bvala (2 to 0) B;
out resa (2 to 0) B;
out carrouta B;

begin
p0 : 111 000 ?111 ?0;
p1 : 101 010 ?111 ?0;
end;