gcc/testsuite/gcc.target/i386/avx2-vpsubusw-2.c

/* { dg-do run } */
/* { dg-options "-mavx2 -O2" } */
/* { dg-require-effective-target avx2 } */

#include "avx2-check.h"

void static
avx2_test (void)
{
  union256i_w u, s1, s2;
  unsigned short e[16];
  int i, tmp;

  s1.x = _mm256_set_epi16 (1, 2, 3, 4, 10, 20, 30, 90,
			   65531, 40, 100, 15, 98, 25, 98, 7);

  s2.x = _mm256_set_epi16 (88, 44, 33, 220, 11, 98, 76, 100,
			   34, 78, 39, 6, 3, 4, 5, 219);

  u.x = _mm256_subs_epu16 (s1.x, s2.x);

  for (i = 0; i < 16; i++)
    {
      tmp = (unsigned short) s1.a[i] - (unsigned short) s2.a[i];

      if (tmp < 0)
	tmp = 0;

      e[i] = tmp;
    }

  if (check_union256i_w (u, e))
    abort ();
}