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/* { dg-do run } */

/* { dg-options "-O2 -msse" } */

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

#include "sse-check.h"

#include <xmmintrin.h>

#include <string.h>

#define SHIFT (4)

typedef union {

  __m64 v;

  unsigned char c[8];

  unsigned short int s[4];

  unsigned long long t;

  unsigned int u[2];

}vecInWord;

void sse_tests (void) __attribute__((noinline));

void dump64_16 (char *, char *, vecInWord);

int check (const char *, const char *[]);

char buf[8000];

char comparison[8000];

static int errors = 0;

vecInWord c64, e64;

__m64 m64_64;

const char *reference_sse[] = {

  "_mm_shuffle_pi16 0123 4567 89ab cdef \n",

  ""

};

static void

sse_test (void)

{

  e64.t  = 0x0123456789abcdefULL;

  m64_64 = e64.v;

  sse_tests();

  check (buf, reference_sse);

#ifdef DEBUG

  printf ("sse testing:\n");

  printf (buf);

  printf ("\ncomparison:\n");

  printf (comparison);

#endif

  buf[0] = '\0';

  if (errors != 0)

    abort ();

}

void __attribute__((noinline))

sse_tests (void)

{

  /* pshufw */

  c64.v = _mm_shuffle_pi16 (m64_64, 0x1b);

  dump64_16 (buf, "_mm_shuffle_pi16", c64);

}

void

dump64_16 (char *buf, char *name, vecInWord x)

{

  int i;

  char *p = buf + strlen (buf);

  sprintf (p, "%s ", name);

  p += strlen (p);

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

    {

      sprintf (p, "%4.4x ", x.s[i]);

      p += strlen (p);

    }

  strcat (p, "\n");

}

int

check (const char *input, const char *reference[])

{

  int broken, i, j, len;

  const char *p_input;

  char *p_comparison;

  int new_errors = 0;

  p_comparison = &comparison[0];

  p_input = input;

  for (i = 0; *reference[i] != '\0'; i++)

    {

      broken = 0;

      len = strlen (reference[i]);

      for (j = 0; j < len; j++)

        {

          /* Ignore the terminating NUL characters at the end of every string in 'reference[]'.  */

          if (!broken && *p_input != reference[i][j])

            {

              *p_comparison = '\0';

              strcat (p_comparison, " >>> ");

              p_comparison += strlen (p_comparison);

              new_errors++;

              broken = 1;

            }

          *p_comparison = *p_input;

          p_comparison++;

          p_input++;

        }

      if (broken)

        {

          *p_comparison = '\0';

          strcat (p_comparison, "expected:\n");

          strcat (p_comparison, reference[i]);

          p_comparison += strlen (p_comparison);

        }

    }

  *p_comparison = '\0';

  strcat (p_comparison, new_errors ? "failure\n\n" : "O.K.\n\n") ;

  errors += new_errors;

  return 0;

}