ARM Cortex R4F - Manual (Page 342)

ARM DDI 0363E Copyright © 2009 ARM Limited. All rights reserved. 12-1
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Chapter 12
FPU Programmer’s Model
This chapter describes the programmer’s 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 programmer’s model on page 12-2
• General-purpose registers on page 12-3
• System registers on page 12-4
• Modes of operation on page 12-10
• Compliance with the IEEE 754 standard on page 12-11.