/**
 * Copy values from an array to another.
 */
#include <stdio.h>
#include <immintrin.h>

int main(void)
{
  // Static arrays are stored into the stack thus we need to add an alignment attribute to tell the compiler to correctly align both arrays.
  float array0[ 4 ] __attribute__((aligned(16))) = { 0.0f, 1.0f, 2.0f, 3.0f };
  float array1[ 4 ] __attribute__((aligned(16)));

  // Load 4 values from the first array into a SSE register.
  __m128 r0 = _mm_load_ps( array0 );
  // Store the content of the register into the second array.
  _mm_store_ps( array1, r0 );

  for(int i = 0 ; i < 4 ; ++i){
    printf("%f ", array1[i]);
  }
  printf("\n");

  return 0;
}