Draw the execution diagram for the program in Problem 10-12, assuming the combination of the RISC CPU with branch prediction in Figure 10-17 and the RISC CPU with data forwarding in Figure 10-13.

Figure 10-17 

Problem 10-12

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:

Figure 10-13

Transcribed Image Text:

PC +1 PC ADDER BrA MUX C 0132 BIA RAA Address Instruction memory Instruction 800 RW DA MD BSO IM=IR 14:0 SHIR4:0 BS GPS Instruction decoder SH BS PS MW FS SH Constant unit MAMB AA BA CS N CS AA- MA D FS PS Z PC-1 0 10 1 MUXA MUX B Bus A RAA CA 32 x 32 Register file 31 with R0 = 0 A data B data BA RW DA A B F Modified function unit Bus B 012 MUX D Bus D Data MB Register file with R0 = 0 IF IF DOF DOF EX Address Data memory Data out MW Data in Write Address Data memory EX WB WB