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_movshdup_reg (float *i1, float *r)
      19  {
      20    __m128 t1 = _mm_loadu_ps (i1);
      21    __m128 t2 = _mm_movehdup_ps (t1);
      22  
      23    _mm_storeu_ps (r, t2);
      24  }
      25  
      26  static void
      27  sse3_test_movshdup_reg_subsume (float *i1, float *r)
      28  {
      29    __m128 t1 = _mm_load_ps (i1);
      30    __m128 t2 = _mm_movehdup_ps (t1);
      31  
      32    _mm_storeu_ps (r, t2);
      33  }
      34  
      35  static int
      36  chk_ps (float *v1, float *v2)
      37  {
      38    int i;
      39    int n_fails = 0;
      40  
      41    for (i = 0; i < 4; i++)
      42      if (v1[i] != v2[i])
      43        n_fails += 1;
      44  
      45    return n_fails;
      46  }
      47  
      48  static float p1[4] __attribute__ ((aligned(16)));
      49  static float p2[4];
      50  static float ck[4];
      51  
      52  static float vals[80] =
      53    {
      54      100.0,  200.0, 300.0, 400.0, 5.0, -1.0, .345, -21.5,
      55      1100.0, 0.235, 321.3, 53.40, 0.3, 10.0, 42.0, 32.52,
      56      32.6,   123.3, 1.234, 2.156, 0.1, 3.25, 4.75, 32.44,
      57      12.16,  52.34, 64.12, 71.13, -.1, 2.30, 5.12, 3.785,
      58      541.3,  321.4, 231.4, 531.4, 71., 321., 231., -531.,
      59      23.45,  23.45, 23.45, 23.45, 23.45, 23.45, 23.45, 23.45,
      60      23.45,  -1.43, -6.74, 6.345, -20.1, -20.1, -40.1, -40.1,
      61      1.234,  2.345, 3.456, 4.567, 5.678, 6.789, 7.891, 8.912,
      62      -9.32,  -8.41, -7.50, -6.59, -5.68, -4.77, -3.86, -2.95,
      63      9.32,  8.41, 7.50, 6.59, -5.68, -4.77, -3.86, -2.95
      64    };
      65  
      66  static void
      67  TEST (void)
      68  {
      69    int i;
      70    int fail = 0;
      71  
      72    for (i = 0; i < 80; i += 2)
      73      {
      74        p1[0] = 0.0;
      75        p1[1] = vals[i+0];
      76        p1[2] = 1.0;
      77        p1[3] = vals[i+1];
      78  
      79        ck[0] = p1[1];
      80        ck[1] = p1[1];
      81        ck[2] = p1[3];
      82        ck[3] = p1[3];
      83  
      84        sse3_test_movshdup_reg (p1, p2);
      85  
      86        fail += chk_ps (ck, p2);
      87  
      88        sse3_test_movshdup_reg_subsume (p1, p2);
      89  
      90        fail += chk_ps (ck, p2);
      91      }
      92  
      93    if (fail != 0)
      94      abort ();
      95  }