Question: Examine the difficulty of adding a proposed lwi.d rd, rs1, rs2 ( Load With Increment) instruction to RISC-V. Interpretation: Reg[rd]=Mem[ Reg[rs1]+Reg[rs2] ] . The existing

Examine the difficulty of adding a proposed lwi.d rd, rs1, rs2 (Load With Increment) instruction to RISC-V.

Interpretation: Reg[rd]=Mem[ Reg[rs1]+Reg[rs2] ] . The existing datapath is the same as the one used in Q.2

a. Which new functional blocks (if any) do we need for this instruction?

b. Which existing functional blocks (if any) require modification?

c. Which new data paths (if any) do we need for this instruction?

d. What new signals do we need (if any) from the control unit to support this instruction?

e. Draw out any new data path or functional block or modify the existing functional block in the diagram provided below. Also indicate the addition of new control signals (if any) and their values as well as the values of the existing control signals (shown in blue)

Examine the difficulty of adding a proposed lwi.d rd, rs1, rs2 (Load

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