Subversion Repositories openrisc

// { dg-do run { target { ! default_packed } } }

// { dg-options "-w" }

// Copyright (C) 2003 Free Software Foundation, Inc.

// Contributed by Nathan Sidwell 15 Jul 2003 

// Packed fields are unsuitable for direct reference binding.

struct Unpacked { int i; };

int ConstRef (int const &p, int const *ptr, int v)

{

  if (p != v)

    return 1;

  if (&p == ptr)

    return 2;

  return 0;

}

int ConstRef (Unpacked const &p, Unpacked const *ptr, int v)

{

  if (p.i != v)

    return 1;

  if (&p == ptr)

    return 2;

  return 0;

}

int Val (int p, int v)

{

  if (p != v)

    return 1;

  return 0;

}

int Val (Unpacked p, int v)

{

  if (p.i != v)

    return 1;

  return 0;

}

struct  __attribute__ ((packed)) Packed

{

  char c;

  int i;

  Unpacked u;

  char t;

};

int Foo (Packed &p, int i, int ui)

{

  int r;

  if ((r = Val (p.i, i)))

    return r;

  if ((r = Val (p.u.i, ui)))

    return r + 2;

  if ((r = Val (p.u, ui)))

    return r + 4;

  if ((r = ConstRef (p.i, &p.i, i)))

    return r + 6;

  return 0;

}

int main ()

{

  Packed p;

  p.c = 0x12;

  p.i = 0x3456789a;

  p.u.i = 0xbcdef00f;

  p.t = 0xed;

  return Foo (p, 0x3456789a, 0xbcdef00f);

}