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

#include <stdarg.h>

#include "tree-vect.h"

#define N 16

unsigned short in[N];

unsigned short coef[N];

unsigned short a[N];

__attribute__ ((noinline)) unsigned int

foo (short scale){

  int i;

  unsigned short j;

  unsigned int sum = 0;

  unsigned short sum_j;

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

    sum_j = 0;

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

      sum_j += j;

    }

    a[i] = sum_j;

    sum += ((unsigned int) in[i] * (unsigned int) coef[i]) >> scale;

  }

  return sum;

}

unsigned short

bar (void)

{

  unsigned short j;

  unsigned short sum_j;

  sum_j = 0;

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

    sum_j += j;

  }

  return sum_j;

}

int main (void)

{

  int i;

  unsigned short j, sum_j;

  unsigned int sum = 0;

  unsigned int res;

  check_vect ();

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

    in[i] = 2*i;

    coef[i] = i;

  }

  res = foo (2);

  /* check results:  */

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

    {

      if (a[i] != bar ())

        abort ();

      sum += ((unsigned int) in[i] * (unsigned int) coef[i]) >> 2;

    }

  if (res != sum)

    abort ();

  return 0;

}

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

/* { dg-final { scan-tree-dump-times "vect_recog_widen_mult_pattern: detected" 1 "vect" } } */

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