Control for Return i demo -retb 0x026 ret F D E M W bubble F DE MI W bubble LF⊥DEMW bubble F W 0x00b irmovl $5, esi Return LFLDIEMIW Condition E M Processing ret stall bubble normal normal normal Fiqure 4.66 P348 Processor– 14 – Processor 0x026: ret F D E M bubble F D E M W W bubble F D E M W bubble F D E M W 0x00b: irmovl $5,%esi # Return F D E M W # demo-retb F D E M W Control for Return Condition F D E M W Processing ret stall bubble normal normal normal Figure 4.66 P348