ARM Architecture Reference Manual ARMv7-A and ARMv7-R edition

Chapter A7
Advanced SIMD and VFP
Instruction Encoding
This chapter gives an overview of the Advanced SIMD and VFP instruction sets. It contains the following
sections:
Overview on page A7-2
Advanced SIMD and VFP instruction syntax on page A7-3
Register encoding on page A7-8
Advanced SIMD data-processing instructions on page A7-10
VFP data-processing instructions on page A7-24
Extension register load/store instructions on page A7-26
Advanced SIMD element or structure load/store instructions on page A7-27
8, 16, and 32-bit transfer between ARM core and extension registers on page A7-31
64-bit transfers between ARM core and extension registers on page A7-32.
Note
The Advanced SIMD architecture extension, its associated implementations, and supporting
software, are commonly referred to as NEON technology.
In the decode tables in this chapter, an entry of - for a field value means the value of the field does
not affect the decoding.
ARM DDI 0406B Copyright © 1996-1998, 2000, 2004-2008 ARM Limited. All rights reserved. A7-1