1  /* { dg-do run } */
       2  /* { dg-require-effective-target sse3 } */
       3  /* { dg-options "-O2 -msse3 -mfpmath=sse" } */
       4  
       5  #ifndef CHECK_H
       6  #define CHECK_H "sse3-check.h"
       7  #endif
       8  
       9  #ifndef TEST
      10  #define TEST sse3_test
      11  #endif
      12  
      13  #include CHECK_H
      14  
      15  #include <pmmintrin.h>
      16  
      17  static void
      18  sse3_test_addsubps (float *i1, float *i2, float *r)
      19  {
      20    __m128 t1 = _mm_loadu_ps (i1);
      21    __m128 t2 = _mm_loadu_ps (i2);
      22  
      23    t1 = _mm_addsub_ps (t1, t2);
      24  
      25    _mm_storeu_ps (r, t1);
      26  }
      27  
      28  static void
      29  sse3_test_addsubps_subsume (float *i1, float *i2, float *r)
      30  {
      31    __m128 t1 = _mm_load_ps (i1);
      32    __m128 t2 = _mm_load_ps (i2);
      33  
      34    t1 = _mm_addsub_ps (t1, t2);
      35  
      36    _mm_storeu_ps (r, t1);
      37  }
      38  
      39  static int
      40  chk_ps (float *v1, float *v2)
      41  {
      42    int i;
      43    int n_fails = 0;
      44  
      45    for (i = 0; i < 4; i++)
      46      if (v1[i] != v2[i])
      47        n_fails += 1;
      48  
      49    return n_fails;
      50  }
      51  
      52  static float p1[4] __attribute__ ((aligned(16)));
      53  static float p2[4] __attribute__ ((aligned(16)));
      54  static float p3[4];
      55  static float ck[4];
      56  
      57  static float vals[80] =
      58    {
      59      100.0,  200.0, 300.0, 400.0, 5.0, -1.0, .345, -21.5,
      60      1100.0, 0.235, 321.3, 53.40, 0.3, 10.0, 42.0, 32.52,
      61      32.6,   123.3, 1.234, 2.156, 0.1, 3.25, 4.75, 32.44,
      62      12.16,  52.34, 64.12, 71.13, -.1, 2.30, 5.12, 3.785,
      63      541.3,  321.4, 231.4, 531.4, 71., 321., 231., -531.,
      64      23.45,  23.45, 23.45, 23.45, 23.45, 23.45, 23.45, 23.45,
      65      23.45,  -1.43, -6.74, 6.345, -20.1, -20.1, -40.1, -40.1,
      66      1.234,  2.345, 3.456, 4.567, 5.678, 6.789, 7.891, 8.912,
      67      -9.32,  -8.41, -7.50, -6.59, -5.68, -4.77, -3.86, -2.95,
      68      9.32,  8.41, 7.50, 6.59, -5.68, -4.77, -3.86, -2.95
      69    };
      70  
      71  static void
      72  TEST (void)
      73  {
      74    int i;
      75    int fail = 0;
      76  
      77    for (i = 0; i < 80; i += 8)
      78      {
      79        p1[0] = vals[i+0];
      80        p1[1] = vals[i+1];
      81        p1[2] = vals[i+2];
      82        p1[3] = vals[i+3];
      83  
      84        p2[0] = vals[i+4];
      85        p2[1] = vals[i+5];
      86        p2[2] = vals[i+6];
      87        p2[3] = vals[i+7];
      88  
      89        ck[0] = p1[0] - p2[0];
      90        ck[1] = p1[1] + p2[1];
      91        ck[2] = p1[2] - p2[2];
      92        ck[3] = p1[3] + p2[3];
      93  
      94        sse3_test_addsubps (p1, p2, p3);
      95  
      96        fail += chk_ps (ck, p3);
      97  
      98        sse3_test_addsubps_subsume (p1, p2, p3);
      99  
     100        fail += chk_ps (ck, p3);
     101      }
     102  
     103    if (fail != 0)
     104      abort ();
     105  }