Subversion Repositories openrisc

extern void abort (void);

extern void exit (int);

struct s { unsigned char a[256]; };

union u { struct { struct s b; int c; } d; struct { int c; struct s b; } e; };

static union u v;

static union u v0;

static struct s *p = &v.d.b;

static struct s *q = &v.e.b;

static inline struct s rp (void) { return *p; }

static inline struct s rq (void) { return *q; }

static void pq (void) { *p = rq(); }

static void qp (void) { *q = rp(); }

static void

init (struct s *sp)

{

  int i;

  for (i = 0; i < 256; i++)

    sp->a[i] = i;

}

static void

check (struct s *sp)

{

  int i;

  for (i = 0; i < 256; i++)

    if (sp->a[i] != i)

      abort ();

}

void

main_test (void)

{

  v = v0;

  init (p);

  qp ();

  check (q);

  v = v0;

  init (q);

  pq ();

  check (p);

  exit (0);

}