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Write operations occur in the first half of the clock cycle and reads occur in the second half of the clock cycle. The table below shows the pipelining diagram for three instructions. Inst/CC 1 2 3 4 5 6 Inst. 1 IF ID EXE MEM WB Stall Inst. 2 Inst. 3 7 8 IF ID EXE MEM WB IF ID EXE MEM WB Where CC stands for clock cycle, stalls are shown as empty rows, and forwarding is indicated between associated stages using an arrow. LDUR X0, [X0, #5] SUB X2, X0, XO SUB X3, X1, X2 ADD X3, X2, X3 ADD X4, X1, X3 a. First assume forwarding is not available, show a similar table for the following sequence of instructions and indicate stalls with empty rows. How many cycles are needed to execute the above sequence of instructions?

Write operations occur in the first half of the clock cycle and reads occur in the second half of the clock cycle. The table below shows the pipelining diagram for three instructions. Inst/CC 1 2 3 4 5 6 Inst. 1 IF ID EXE MEM WB Stall Inst. 2 Inst. 3 7 8 IF ID EXE MEM WB IF ID EXE MEM WB Where CC stands for clock cycle, stalls are shown as empty rows, and forwarding is indicated between associated stages using an arrow. LDUR X0, [X0, #5] SUB X2, X0, XO SUB X3, X1, X2 ADD X3, X2, X3 ADD X4, X1, X3 a. First assume forwarding is not available, show a similar table for the following sequence of instructions and indicate stalls with empty rows. How many cycles are needed to execute the above sequence of instructions?

Systems Architecture
Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter4: Processor Technology And Architecture
Section: Chapter Questions
Problem 15VE: A(n) ________________ instruction always alters the instruction execution sequence. A(n)...
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Write operations occur in the first half of the clock cycle and reads occur in the second half of the clock cycle. The table below shows the pipelining diagram for three instructions. Inst/CC 1 2 3 4 5 6 Inst. 1 IF ID EXE MEM WB Stall Inst. 2 Inst. 3 7 8 IF ID EXE MEM WB IF ID EXE MEM WB Where CC stands for clock cycle, stalls are shown as empty rows, and forwarding is indicated between associated stages using an arrow. LDUR X0, [X0, #5] SUB X2, X0, XO SUB X3, X1, X2 ADD X3, X2, X3 ADD X4, X1, X3 a. First assume forwarding is not available, show a similar table for the following sequence of instructions and indicate stalls with empty rows. How many cycles are needed to execute the above sequence of instructions?
Transcribed Image Text:Write operations occur in the first half of the clock cycle and reads occur in the second half of the clock cycle. The table below shows the pipelining diagram for three instructions. Inst/CC 1 2 3 4 5 6 Inst. 1 IF ID EXE MEM WB Stall Inst. 2 Inst. 3 7 8 IF ID EXE MEM WB IF ID EXE MEM WB Where CC stands for clock cycle, stalls are shown as empty rows, and forwarding is indicated between associated stages using an arrow. LDUR X0, [X0, #5] SUB X2, X0, XO SUB X3, X1, X2 ADD X3, X2, X3 ADD X4, X1, X3 a. First assume forwarding is not available, show a similar table for the following sequence of instructions and indicate stalls with empty rows. How many cycles are needed to execute the above sequence of instructions?
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