Subversion Repositories openrisc_2011-10-31

/* { dg-do run } */

/* { dg-require-effective-target ssse3 } */

/* { dg-options "-O2 -fno-strict-aliasing -mssse3" } */

#ifndef CHECK_H

#define CHECK_H "ssse3-check.h"

#endif

#ifndef TEST

#define TEST ssse3_test

#endif

#include CHECK_H

#include "ssse3-vals.h"

#include <tmmintrin.h>

#ifndef __AVX__

/* Test the 64-bit form */

static void

ssse3_test_pshufb (int *i1, int *i2, int *r)

{

  __m64 t1 = *(__m64 *) i1;

  __m64 t2 = *(__m64 *) i2;

  *(__m64 *)r = _mm_shuffle_pi8 (t1, t2);

  _mm_empty ();

}

#endif

/* Test the 128-bit form */

static void

ssse3_test_pshufb128 (int *i1, int *i2, int *r)

{

  /* Assumes incoming pointers are 16-byte aligned */

  __m128i t1 = *(__m128i *) i1;

  __m128i t2 = *(__m128i *) i2;

  *(__m128i *)r = _mm_shuffle_epi8 (t1, t2);

}

#ifndef __AVX__

/* Routine to manually compute the results */

static void

compute_correct_result_64 (int *i1, int *i2, int *r)

{

  char *b1 = (char *) i1;

  char *b2 = (char *) i2;

  char *bout = (char *) r;

  int i;

  char select;

  for (i = 0; i < 16; i++)

    {

      select = b2[i];

      if (select & 0x80)

        bout[i] = 0;

      else if (i < 8)

        bout[i] = b1[select & 0x7];

      else

        bout[i] = b1[8 + (select & 0x7)];

    }

}

#endif

static void

compute_correct_result_128 (int *i1, int *i2, int *r)

{

  char *b1 = (char *) i1;

  char *b2 = (char *) i2;

  char *bout = (char *) r;

  int i;

  char select;

  for (i = 0; i < 16; i++)

    {

      select = b2[i];

      if (select & 0x80)

        bout[i] = 0;

      else

        bout[i] = b1[select & 0xf];

    }

}

static void

TEST (void)

{

  int i;

  int r [4] __attribute__ ((aligned(16)));

  int ck [4];

  int fail = 0;

  for (i = 0; i < 256; i += 8)

    {

#ifndef __AVX__

      /* Manually compute the result */

      compute_correct_result_64 (&vals[i + 0], &vals[i + 4], ck);

      /* Run the 64-bit tests */

      ssse3_test_pshufb (&vals[i + 0], &vals[i + 4], &r[0]);

      ssse3_test_pshufb (&vals[i + 2], &vals[i + 6], &r[2]);

      fail += chk_128 (ck, r);

#endif

      /* Recompute the result for 128-bits */

      compute_correct_result_128 (&vals[i + 0], &vals[i + 4], ck);

      /* Run the 128-bit tests */

      ssse3_test_pshufb128 (&vals[i + 0], &vals[i + 4], r);

      fail += chk_128 (ck, r);

    }

  if (fail != 0)

    abort ();

}