Subversion Repositories scarts

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

#include <stdarg.h>

#include "tree-vect.h"

#define N 16

int main1 ()

{

  union {

    char a[N] __attribute__ ((__aligned__(16)));

    char b[N] __attribute__ ((__aligned__(16)));

  } s;

  int i;

  /* Initialization.  */

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

    {

      s.b[i] = 3*i;

    }

  /* Can't vectorize - dependence analysis fails cause s.a and s.b may

     overlap.  */

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

    {

      s.a[i] = s.b[i] + 1;

    }

  /* check results:  */

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

    {

      if (s.a[i] != 3*i + 1)

        abort ();

    }

  return 0;

}

int main (void)

{

  check_vect ();

  return main1 ();

}

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

/* { dg-final { scan-tree-dump-times "can't determine dependence between" 1 "vect" } } */

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