ARM R4 Manuale Utente
ARM DDI 0363E
Copyright © 2009 ARM Limited. All rights reserved.
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Chapter 5
Prefetch Unit
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:
•
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:
•
•
•