Question: In this question, we will compare the performance of two processors, pA and pB . The processors are identical except: The ALU in pB has
In this question, we will compare the performance of two processors, pA and pB The processors are identical except:
The ALU in pB has specialized multiplier logic and supports the mult instruction
The ALU in pA does not have multiplier logic and does not support the mult instruction
pBs cycle time is longer than pA's cycle time due to the added complexity
Because pA does not support a mult instruction, multiplication must be done by a software algorithm that uses other available instructions to calculate the result. The assembler for pA provides a mult pseudoinstruction, which is expanded to several instructions during assembly.
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