• Arm Neon not vectorising nested loop
    Hi, I am using A9 Processor on Zynq Board running a test project with neon and simd options enabled . In my code i have nested loops which is not vectorised and below is the build log not vectorized...
  • 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...
  • How to enable Neon in cortex A8?
    Hi,       I am using beaglebone which has the processor TI Sitara AM335X. I want to make use of Neon coprcessor for my project, To enable neon, I have to follow these commands. But I can't access these...
  • How to use the performance monitor of Cortex-A9?
    Hello experts, I feel I am an amateur. I tried to work the performance monitor of Cortex-A9 but it did not work. The followings are my codes. Please tell me what was wrong.         mov     r3, #0   ...
  • How to handle SCU at runtime on Cortex-A9
    Hi there, I'm working on altera cyclone V SoC equipped with a Dual Core Cortex-A9. It runs Linux socfpga 3.13. I'm trying to disable (and enable) the SCU at runtime, but I have a segmantation fault: unable...