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Problem 3: Doctoring Pipelines (up to 8 for 48)



***Write the rest of your answers ON the exam***

The MMM-DLX, Meesh's Maddeningly Magnificent-DLX architecture, has an unquenchable thirst for DLX, the ISA of choice for CMSC 411. The designer had an equally obsessive focus on exploiting ILP (instruction level parallelism). The next page and the back of the DLX code sheet contain all the information we have regarding this new (1,3) GPR architecture, and a sample code fragment is given below.

THE REMAINDER OF THE TEST DEALS WITH THE FOLLOWING MODIFICATION OF THE DLX ARCHITECTURE. SO DON'T SKIP THIS PART.



MM Hugue
2001-11-01