Replacing the _mm_set1_epi64x Function

This function is used to copy a 64-bit integer to a 128-bit vector a.

For details about _mm_set1_epi64x, see Intrinsics Guide.

• Code on x86:

  __m128i a = _mm_set1_epi64x(0x86b0426193d86e66ull) ;

• Alternative for Kunpeng processors:

  #include <arm_neon.h>
  int64x2_t a = vdupq_n_s64(0x86b0426193d86e66ull);