Draw the execution diagram for the program in Problem, assuming the combination of the RISC CPU with branch prediction in Figure 1 and the RISC CPU with data forwarding in Figure 2.
Figure 1 Pipelined RISC: Branch Prediction
Figure 2 Pipeline RISC: Data Forwarding
Problem
For the RISC design, draw the execution diagram for the following RISC program (with the contents of R7 nonzero after the subtraction), and indicate any data or control hazards that are present:
1 SUB R7, R7, R2
2 BNZ R7, 000F
3 AND R8, R7, R4
4 OR R4, R8, R2
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