Understanding ARM NEON instruction

hi i am trying to understand ARM NEON instruction and encountered with vqrdmulh instruction. i am particularly interested in saturation case in instruction i am not getting any case with saturation ....
question about arm cortex-a9 neon optimization(4x4 matrix mul)

======================================= for matrix 4 by 4 multiplication, neon programming is slower than natural code with auto-vectorization option. (Xilinx Zynq 702 EVM board - cortex a9 with gcc complier...
NEON SIMD Register Diagram

Hello, I’m new to ARM architecture and was looking to get a better understanding of how it works. Most notably, the Cortex-A series and its DSP functionality. When looking through the NEON SIMD page on...
Coding Using NEON Technology

利用NEON技术编写代码 ARM NEON™ technology is widely used for multimedia optimization. The SIMD architecture of NEON technology makes it very suitable for many compute intensive modules in multimedia codecs such...
How to use neon libraries ?

Hi, I am working on an optimization project on Udoo board . I have to optimize a video shot detection code to work in real time. My Udoo board has i.Mx6 Cortex-A9 processor. I started working on optimization...