• gcc with neon
    Hi I add a piece of code in multimedia. It makes data in array reverse. It works, but when I add -O2 or -O3 the result is error and vmov with -O2 ,-O3 create illegal instruction. I don't understand.....
  • summary of NEON-intrinsics for ARMv8?
    Hello, is there a summery of NEON-instrinsics vor ARMv8 (specialy for AARCH64?) like this one ARM Information Center ? I only found a this pdf: http://infocenter.arm.com/help/topic/com.arm.doc.ihi0073a...
  • Is NEON Floating Point (VFP) Only?
    Referring to the diagram below, it appears that NEON only applies to floating point processing. Is this correct? Does it mean that NEON only applies to using the VFP? Does it mean that NEON does not apply...
  • Does GCC really support automatic vectorization for NEON technology?
    There are two development articles metioned it that GCC can do it: ntroducing NEON NEON Support in Compilation Tools But I tested code snap in these docs with GCC compling options but the generated assembly...
  • Using NEON instructions to speed up cascaded biquads - how it works?
    I am trying to understand how the cascaded biquad filtering is optimized for Arm processors in CMSIS using Neon extensions. The code is ifdefed under `#if defined(ARM_MATH_NEON)` here: https://github...