Commits on Oct 19, 2023

1. Disable NEON intrinsics on big-endian ARM …

   These are currently broken because the order of elements inside
   vectors is reversed on big-endian systems: the ARM ABI requires that
   element 0 is located at the highest address of the vector type. However
   LLVM intrinsics expect element 0 to be located at the lowest address.
   
   See https://llvm.org/docs/BigEndianNEON.html and `arm_neon.h` in
   Clang for more details.
   
   Although this is a breaking change, this is acceptable for 2 reasons:
   - big endian ARM targets are only tier 3.
   - it is preferable to stop existing code from compiling than to let it
   run and produce incorrect results.

   

   Amanieu committed Oct 19, 2023
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