• 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...
  • Is Advanced-SIMD supported in Cortex-R5F?
    Hi, I have a Cortex-R5F core in which integration register value CPACR.ASEDIS = 1 and CPACR.D32DIS = 1m which says Advanced SIMD is not available. However, in ARM Cortex-R5F Technical Reference Manual...
  • 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...
  • SIMD-NEON Optimization on CortexA7or Cortex A57
    Hi, we are experiencing poor performance on Small functions translated to SIMD NEON because of likely latency.I found a guide on http://infocenter.arm.com/help/topic/com.arm.doc.uan0015b/Cortex_A57_Software_Optimization_Guide_external...
  • Cortex-A9: disable SIMD, Neon & VFP in the secure world
    Hi ! I'm trying to configure my secure monitor so that: - the secure world does not have access to any floating-point hardware - the normal world can do whatever it wants To this purpose, I allow...