9. 50% 50% In the space below, write MIPS code for a leaf subroutine eysul that will compute xey*z1. Hint: use addu because add detects overflow. You should test your routine using SPIM before you submit it. Although there are many ways to do a multiply, here's C code for one of them that you might want to use extern intx,y.z vold ymul(void) /" do x -y z the hard way... int t -0; int ti 1i while t1 1. @) { tet2: ti + t1; ultiplication rout ine: Your code here