$20$ points

for $(n=0$;$n<mn\; id="EditorElement\_5591896">1</mn><mn\; id="EditorElement\_5591897">3</mn><mn\; id="EditorElement\_5591898">3</mn><mn\; id="EditorElement\_5591899">1</mn>$;$n++)$

$\{Z[m]***Z[m]=G$;

$Z[m]+G=Y[m]$;$\}$

a$.$ First translate into MIPS code: $-$

$($Each floating$-$point number is $1\mathrm{.}5W+4$ nibbles$)$

b$.$ Unroll Loop Four Times.