ARM DDI 0363G
Copyright © 2006-2011 ARM Limited. All rights reserved.
5-1
ID073015
Non-Confidential
Chapter 5
Prefetch Unit
This chapter describes how the
PreFetch Unit
(PFU), in conjunction with the DPU, uses program
flow prediction to locate branches in the instruction stream and the strategies used to determine if
a branch is likely to be taken or not. It contains the following sections:
•
•
•
•
Controlling instruction prefetch and program flow prediction
.