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

#include <stdarg.h>

#include "tree-vect.h"

#define N 16

#define DIFF 82

float c[N][N], b[N][N], a[N];

__attribute__ ((noinline)) int

main1 ()

{

  int i, j;

  float diff;

  /* In inner loop vectorization -funsafe-math-optimizations is needed to

     vectorize the summation. But in outer loop vectorization the order of

     calculation doesn't change, therefore, there is no need in that flag.  */

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

    {

      diff = 2;

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

        diff += (b[j][i] - c[j][i]);

      a[i] = diff;

    }

  /* Check results:  */

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

    if (a[i] != DIFF)

      abort ();

  return 0;

}

int main (void)

{

  int i, j;

  check_vect ();

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

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

      {

        b[i][j] = i+j+5;

        c[i][j] = i+j;

      }

  main1 ();

  return 0;

}

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

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