1: 2: 3: 4: 5: 6: Consider the below program. MOV AX, 10 ; AX =...
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1: 2: 3: 4: 5: 6: Consider the below program. MOV AX, 10 ; AX = 10 ADD AX, BX ;AX += BX SUB BX, CX ;BX -= CX JL XXX ADD CX, AX ;CX += AX ADD AX, 3 ; AX += 3 ; branch to XXX if AX < 0 (a) Determine the instruction issue rate if it is run on a Pentium-based processor. Show your steps clearly. (8 marks) (b) Suppose the program is to be run on an OOE processor and the register AX, BX, CX are to be renamed to remove the dependency. Determine the number of physical registers required for renaming AX, BX, and CX, respectively. Show your steps clearly. (8 marks) 1: 2: 3: 4: 5: 6: Consider the below program. MOV AX, 10 ; AX = 10 ADD AX, BX ;AX += BX SUB BX, CX ;BX -= CX JL XXX ADD CX, AX ;CX += AX ADD AX, 3 ; AX += 3 ; branch to XXX if AX < 0 (a) Determine the instruction issue rate if it is run on a Pentium-based processor. Show your steps clearly. (8 marks) (b) Suppose the program is to be run on an OOE processor and the register AX, BX, CX are to be renamed to remove the dependency. Determine the number of physical registers required for renaming AX, BX, and CX, respectively. Show your steps clearly. (8 marks)
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a Pentiumbased processors can issue two instructions per cycle but only if the two instructions are independent In the given program there are two data dependencies The ADD AX BX instruction depends o... View the full answer
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
Posted Date:
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