• 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...
  • Partial register dependency neon
    I'm having trouble finding any informations on partial neon register dependencies. Take for example the following code: ld2 {v0.16b, v1.16b}[0], [x0] ld2 {v0.16b, v1.16b}[1], [x1] ld2 {v0.16b, v1...
  • TM4C129 - Protect the code from copy
    I am trying to evaluate ways to protect my embedded code from being read and copy from outside world. I wonder what are the popular ways used out there. Pls note that you still need the option to upgrade...
  • NEON SIMD Dn Register and Parallel Operations
    Thank you for your reply. A few more questions: Is Dn a 128-bit wide register? Is Dd also a 128-bit wide register? (Referring to the diagram in the original question) Also, the diagram shows 4 parallel...
  • Multi copy atomicity and usage of observers
    Hi all, The multi copy atomicity has any advantage in uni processor system and what is the term "observers" meant in the manual ?