1  /* { dg-do run } */
       2  /* { dg-options "-O2 -msse2" } */
       3  /* { dg-require-effective-target sse2 } */
       4  
       5  #ifndef CHECK_H
       6  #define CHECK_H "sse2-check.h"
       7  #endif
       8  
       9  #ifndef TEST
      10  #define TEST sse2_test
      11  #endif
      12  
      13  #include CHECK_H
      14  
      15  #include <emmintrin.h>
      16  
      17  static __m128i
      18  __attribute__((noinline, unused))
      19  test (__m128i s1, __m128i s2)
      20  {
      21    return _mm_sad_epu8 (s1, s2); 
      22  }
      23  
      24  static void
      25  TEST (void)
      26  {
      27    union128i_ub s1, s2;
      28    union128i_w u;
      29    short e[8] = {0};
      30    unsigned char tmp[16];
      31    int i;
      32     
      33    s1.x = _mm_set_epi8 (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16);
      34    s2.x = _mm_set_epi8 (16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1);
      35    u.x = test (s1.x, s2.x);
      36  
      37    for (i = 0; i < 16; i++)
      38      tmp [i] = __builtin_abs (s1.a[i] - s2.a[i]);
      39  
      40    for (i = 0; i < 8; i++)
      41      e[0] += tmp[i];
      42  
      43    for (i = 8; i < 16; i++)
      44      e[4] += tmp[i]; 
      45  
      46  
      47    if (check_union128i_w (u, e))
      48      abort ();
      49  }