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

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target avx2 } */
   3 /* { dg-options "-O2 -mavx2" } */
   4
   5 #include "avx2-check.h"
   6
   7 void static
   8 avx2_test (void)
   9 {
  10   union256i_w u, s1, s2;
  11   unsigned short e[32];
  12   int i;
  13
  14   s1.x = _mm256_set_epi16 (1, 2, 3, 4, 10, 20, 30, 90, 80,
  15                            40, 100, 15, 98, 25, 98, 7);
  16   s2.x = _mm256_set_epi16 (88, 44, 33, 22, 11, 98, 76, 100,
  17                            34, 78, 39, 6, 3, 4, 5, 119);
  18
  19   u.x = _mm256_avg_epu16 (s1.x, s2.x);
  20
  21   for (i = 0; i < 16; i++)
  22     e[i] = (s1.a[i] + s2.a[i] + 1) >> 1;
  23
  24   if (check_union256i_w (u, e))
  25     abort ();
  26 }