Subversion Repositories openrisc_2011-10-31

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

#include <stdarg.h>

#include <signal.h>

#include "tree-vect.h"

#define N 64

#define MAX 42

float A[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));

float B[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));

float C[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));

float D[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));

extern void abort(void);

__attribute__ ((noinline))

int main1 ()

{

  float s;

  int i, j;

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

    {

      s = 0;

      for (j = 0; j < N; j += 4)

        s += C[j];

      A[i] = s;

    }

  return 0;

}

int main ()

{

  int i,j;

  float s;

  check_vect ();

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

    {

      A[i] = i;

      B[i] = i;

      C[i] = i;

      D[i] = i;

    }

  main1();

  /* check results:  */

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

    {

      s = 0;

      for (j = 0; j < N; j += 4)

        s += C[j];

      if (A[i] != s)

        abort ();

    }

  return 0;

}

/* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" } } */

/* { dg-final { scan-tree-dump-times "zero step in outer loop." 1 "vect" } } */

/* { dg-final { cleanup-tree-dump "vect" } } */