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/* { dg-do run } */

/* { dg-require-effective-target sse3 } */

/* { dg-options "-O2 -msse3 -mfpmath=sse" } */

#ifndef CHECK_H

#define CHECK_H "sse3-check.h"

#endif

#ifndef TEST

#define TEST sse3_test

#endif

#include CHECK_H

#include <pmmintrin.h>

static void

sse3_test_hsubpd (double *i1, double *i2, double *r)

{

  __m128d t1 = _mm_loadu_pd (i1);

  __m128d t2 = _mm_loadu_pd (i2);

  t1 = _mm_hsub_pd (t1, t2);

  _mm_storeu_pd (r, t1);

}

static void

sse3_test_hsubpd_subsume (double *i1, double *i2, double *r)

{

  __m128d t1 = _mm_load_pd (i1);

  __m128d t2 = _mm_load_pd (i2);

  t1 = _mm_hsub_pd (t1, t2);

  _mm_storeu_pd (r, t1);

}

static int

chk_pd (double *v1, double *v2)

{

  int i;

  int n_fails = 0;

  for (i = 0; i < 2; i++)

    if (v1[i] != v2[i])

      n_fails += 1;

  return n_fails;

}

static double p1[2] __attribute__ ((aligned(16)));

static double p2[2] __attribute__ ((aligned(16)));

static double p3[2];

static double ck[2];

static double vals[80] =

  {

    100.0,  200.0, 300.0, 400.0, 5.0, -1.0, .345, -21.5,

    1100.0, 0.235, 321.3, 53.40, 0.3, 10.0, 42.0, 32.52,

    32.6,   123.3, 1.234, 2.156, 0.1, 3.25, 4.75, 32.44,

    12.16,  52.34, 64.12, 71.13, -.1, 2.30, 5.12, 3.785,

    541.3,  321.4, 231.4, 531.4, 71., 321., 231., -531.,

    23.45,  23.45, 23.45, 23.45, 23.45, 23.45, 23.45, 23.45,

    23.45,  -1.43, -6.74, 6.345, -20.1, -20.1, -40.1, -40.1,

    1.234,  2.345, 3.456, 4.567, 5.678, 6.789, 7.891, 8.912,

    -9.32,  -8.41, -7.50, -6.59, -5.68, -4.77, -3.86, -2.95,

    9.32,  8.41, 7.50, 6.59, -5.68, -4.77, -3.86, -2.95

  };

static void

TEST (void)

{

  int i;

  int fail = 0;

  for (i = 0; i < 80; i += 4)

    {

      p1[0] = vals[i+0];

      p1[1] = vals[i+1];

      p2[0] = vals[i+2];

      p2[1] = vals[i+3];

      ck[0] = p1[0] - p1[1];

      ck[1] = p2[0] - p2[1];

      sse3_test_hsubpd (p1, p2, p3);

      fail += chk_pd (ck, p3);

      sse3_test_hsubpd_subsume (p1, p2, p3);

      fail += chk_pd (ck, p3);

    }

  if (fail != 0)

    abort ();

}