title: Altivec vec_all_gt equivalent on arm neon
body: <p>I am porting an application from Altivec to Neon.</p>
  <p>I see a lot of intrinsics in Altivec which return scalar values.</p>
  <p>Do we have any such intrinsics on ARM ?</p>
  <p>For instance vec_all_gt</p>