1  /* { dg-do run } */
       2  /* { dg-require-effective-target ssse3 } */
       3  /* { dg-options "-O2 -fno-strict-aliasing -mssse3" } */
       4  
       5  #ifndef CHECK_H
       6  #define CHECK_H "ssse3-check.h"
       7  #endif
       8  
       9  #ifndef TEST
      10  #define TEST ssse3_test
      11  #endif
      12  
      13  #include CHECK_H
      14  
      15  #include "ssse3-vals.h"
      16  #include <tmmintrin.h>
      17  
      18  /* Test the 64-bit form */
      19  static void
      20  ssse3_test_pabsb (int *i1, int *r)
      21  {
      22    __m64 t1 = *(__m64 *) i1;
      23    *(__m64 *) r = _mm_abs_pi8 (t1);
      24    _mm_empty ();
      25  }
      26  
      27  /* Test the 128-bit form */
      28  static void
      29  ssse3_test_pabsb128 (int *i1, int *r)
      30  {
      31    /* Assumes incoming pointers are 16-byte aligned */
      32    __m128i t1 = *(__m128i *) i1;
      33    *(__m128i *) r = _mm_abs_epi8 (t1);
      34  }
      35  
      36  /* Routine to manually compute the results */
      37  static void
      38  compute_correct_result (int *i1, int *r)
      39  {
      40    char *b1 = (char *) i1;
      41    char *bout = (char *) r;
      42    int i;
      43  
      44    for (i = 0; i < 16; i++)
      45      if (b1[i] < 0)
      46        bout[i] = -b1[i];
      47      else
      48        bout[i] = b1[i];
      49  }
      50  
      51  static void
      52  TEST (void)
      53  {
      54    int i;
      55    int r [4] __attribute__ ((aligned(16)));
      56    int ck [4];
      57    int fail = 0;
      58  
      59    for (i = 0; i < 256; i += 4)
      60      {
      61        /* Manually compute the result */
      62        compute_correct_result(&vals[i + 0], ck);
      63  
      64        /* Run the 64-bit tests */
      65        ssse3_test_pabsb (&vals[i + 0], &r[0]);
      66        ssse3_test_pabsb (&vals[i + 2], &r[2]);
      67        fail += chk_128 (ck, r);
      68  
      69        /* Run the 128-bit tests */
      70        ssse3_test_pabsb128 (&vals[i + 0], r);
      71        fail += chk_128 (ck, r);
      72      }
      73  
      74    if (fail != 0)
      75      abort ();
      76  }