Consider the following :
Consider the instruction which uses the Index addressing mode to load a word of data from memory location into register .
Execution of this instruction involves the following actions:
Fetch the instruction from the memory.
Decode the instruction to determine the operation to be performed.
Add the immediate value X to the contents of R7.
Read register R7.
Use the sum X + [R7] as the effective address of the source operand, and read the contents of that location in the memory.
Increment the program counter.
Load the data received from the memory into the destination register, .
Which of the following is the most preferred order of execution of the above instruction?
Therefore ans should be C.