ARM DDI 0363G Copyright © 2006-2011 ARM Limited. All rights reserved. 11-1
ID073015 Non-Confidential
Chapter 11
FPU Programmers Model
This chapter describes the programmers model of the Floating Point Unit (FPU). The Cortex-R4F
processor is a Cortex-R4 processor that includes the optional FPU. In this chapter, the generic term
processor means only the Cortex-R4F processor.
This chapter contains the following sections:
• About the FPU programmers model on page 11-2
• General-purpose registers on page 11-3
• System registers on page 11-4
• Modes of operation on page 11-11
• Compliance with the IEEE 754 standard on page 11-12.
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