SSE add 2 arrays

sse_add_vec.cpp

#include <cstdio>
#include <array>
#include <x86intrin.h>

int main() {
  __m128 vector_a = { 1, 2, 3, 4 };
  __m128 vector_b = { 5, 6, 7, 8 };
  vector_a = _mm_add_ps(vector_a, vector_b);
  std::array<float, 4> a;
  _mm_store_ps(a.data(), vector_a);
  for (auto f : a) {
   printf("%d ", (int)f); 
  }
  printf("\n");
}