The following code is to be executed using stalls and forwarding (if needed). Assume jumps and branching is determined in the ID stage and the branch is taken. Complete the resource diagram

j end

ad $1, $2, $3

sub $2, $2, $1

end:

beq $1, $2, end2

add $1, $2, $3

end2:

or $1, $2, $3