A machine $$ has four general purpose register bank $R=\{r_0,r_1,r_2,r_3\}$ and a set $oM=\{m_0,m_1,$dots$\}.$ The instruction set comprises of following instructions $CMPx,Y$; compare $x$ and $Y$ where $(xinR{)}^{{?}^{?}}(Yin(RM))$ JGT $Ln$; jump$/$branch if$-$greater$-$than to label $Ln$ where nin$\{1,2,$dots$\}$ JMP $Ln$; unconditional jump$/$branch to label $Ln$ where nin$\{1,2,$dots$\}$ SUB $x,Y$;xlarrx$-Y$ where $(xinR{)}^{{?}^{?}}(Yin(RM))$ MOV $x,Y$;xlarrY where Generate target code for $$ from the three$-$address code of