Decode/Reorder/Rename (cont)
d. If all previous issued instructions were accepted by CRS, then for each instruction from fetch unit do the following:
Allocate space in ROB Fetch Operands for the instruction Rename Destination Register Issue Instructions to CRS
IMPORTANT: Operand fetch must occur before renaming because the rename operation can change the name of one of the operands - we want to use the old name for the operand fetch, not the new name.