1  /* { dg-do compile } */
       2  /* { dg-options "-mavx2 -O2" } */
       3  /* { dg-final { scan-assembler "vpmovmskb\[ \\t\]+\[^\n\]*%ymm\[0-9\]" } } */
       4  
       5  #include "avx2-check.h"
       6  
       7  static void
       8  avx2_test (void)
       9  {
      10    union256i_b s;
      11    int res, res_ref;
      12    int i, e = 0;
      13  
      14    s.x = _mm256_set_epi8 (1, 2, 3, 4, 10, 20, 30, 90, -80, -40, -100,
      15  			 15, 98, 25, 98, 7, 1, 2, 3, 4, 10, 20, 30, 90,
      16  			 -80, -40, -100, -15, 98, 25, 98, 7);
      17    __asm volatile ("" : "+m" (s) : : "memory");
      18  
      19    res = _mm256_movemask_epi8 (s.x);
      20  
      21    for (i = 0; i < 32; i++)
      22      if (s.a[i] & (1 << 7))
      23        res_ref = res_ref | (1 << i);
      24  
      25    if (res != res_ref)
      26      abort ();
      27  }