The basic single-cycle MIPS implementation in Figure 4.2 can only implement some instructions. New instructions can be
Question:
Instruction: LWI Rt,Rd(Rs)
Interpretation: Reg[Rt] = Mem[Reg[Rd]+Reg[Rs]]
Figure 4.2
1. Which existing blocks (if any) can be used for this instruction?
2. Which new functional blocks (if any) do we need for this instruction?
3. What new signals do we need (if any) from the control unit to support this instruction?
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Related Book For
Computer Organization and Design The Hardware Software Interface
ISBN: 978-0124077263
5th edition
Authors: David A. Patterson, John L. Hennessy
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