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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" } } */