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

#include <stdarg.h>

#include "tree-vect.h"

#define N 64

#define DOT3 43680

signed char X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));

signed char Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));

/* char->int->int dot product.

   Not detected as a dot-product pattern.  */

__attribute__ ((noinline)) int

foo3(int len) {

  int i;

  int result = 0;

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

    result += (X[i] * Y[i]);

  }

  return result;

}

int main (void)

{

  int i, dot3;

  check_vect ();

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

    X[i] = i;

    Y[i] = 64-i;

    __asm__ volatile ("");

  }

  dot3 = foo3 (N);

  if (dot3 != DOT3)

    abort ();

  return 0;

}

/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_unpack } } } */

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