The optional Advanced SIMD and Floating-point Extension implements:
ARM NEON technology, a media and signal processing architecture that adds instructions targeted at audio, video, 3-D graphics, image, and speech processing. Advanced SIMD instructions are available in AArch64 and AArch32 states.
The floating-point architecture includes the floating-point register file and status registers. It performs floating-point operations on the data held in the floating-point register file.
See the ARM® Cortex®-A53 MPCore Advanced SIMD and Floating-point Extension Technical Reference Manual for more information.