1  /* { dg-do run } */
       2  /* { dg-options "-O2 -fno-strict-aliasing -msse2" } */
       3  /* { dg-additional-options "-mno-mmx" { target { ! ia32 } } } */
       4  
       5  #include "sse2-check.h"
       6  #include "mmx-vals.h"
       7  
       8  __attribute__((noinline, noclone))
       9  static void
      10  test_pavgb  (long long *ll1, long long *ll2, long long *r)
      11  {
      12    __m64 t1 = *(__m64 *) ll1;
      13    __m64 t2 = *(__m64 *) ll2;
      14    *(__m64 *) r = _m_pavgb (t1, t2);
      15  }
      16  
      17  /* Routine to manually compute the results */
      18  static void
      19  compute_correct_result (long long *dst_p, long long *src_p,
      20  			long long *res_p)
      21  {
      22    unsigned char *dst = (unsigned char *) dst_p;
      23    unsigned char *src = (unsigned char *) src_p;
      24    unsigned char *res = (unsigned char *) res_p;
      25    int i;
      26    unsigned int tmp;
      27    for (i = 0; i < 8; i++)
      28      {
      29        tmp = dst[i] + src[i] + 1;
      30        res[i] = tmp >> 1;
      31      }
      32  }
      33  
      34  static void
      35  sse2_test (void)
      36  {
      37    int i;
      38    long long r, ck;
      39    int fail = 0;
      40  
      41    /* Run the MMX tests */
      42    for (i = 0; i < MMX_num_ops; i += 2)
      43      {
      44        test_pavgb (&MMXops[i], &MMXops[i + 1], &r);
      45        compute_correct_result (&MMXops[i], &MMXops[i + 1], &ck);
      46        if (ck != r)
      47  	fail++;
      48      }
      49  
      50    if (fail != 0)
      51      abort ();
      52  }