// { dg-do run { target { ! default_packed } } }
|
// { dg-do run { target { ! default_packed } } }
|
// { dg-options "-w" }
|
// { dg-options "-w" }
|
|
|
// Copyright (C) 2003 Free Software Foundation, Inc.
|
// Copyright (C) 2003 Free Software Foundation, Inc.
|
// Contributed by Nathan Sidwell 15 Jul 2003
|
// Contributed by Nathan Sidwell 15 Jul 2003
|
|
|
// Packed fields are unsuitable for direct reference binding.
|
// Packed fields are unsuitable for direct reference binding.
|
|
|
struct Unpacked { int i; };
|
struct Unpacked { int i; };
|
|
|
int ConstRef (int const &p, int const *ptr, int v)
|
int ConstRef (int const &p, int const *ptr, int v)
|
{
|
{
|
if (p != v)
|
if (p != v)
|
return 1;
|
return 1;
|
if (&p == ptr)
|
if (&p == ptr)
|
return 2;
|
return 2;
|
return 0;
|
return 0;
|
}
|
}
|
|
|
int ConstRef (Unpacked const &p, Unpacked const *ptr, int v)
|
int ConstRef (Unpacked const &p, Unpacked const *ptr, int v)
|
{
|
{
|
if (p.i != v)
|
if (p.i != v)
|
return 1;
|
return 1;
|
if (&p == ptr)
|
if (&p == ptr)
|
return 2;
|
return 2;
|
return 0;
|
return 0;
|
}
|
}
|
|
|
int Val (int p, int v)
|
int Val (int p, int v)
|
{
|
{
|
if (p != v)
|
if (p != v)
|
return 1;
|
return 1;
|
return 0;
|
return 0;
|
}
|
}
|
int Val (Unpacked p, int v)
|
int Val (Unpacked p, int v)
|
{
|
{
|
if (p.i != v)
|
if (p.i != v)
|
return 1;
|
return 1;
|
return 0;
|
return 0;
|
}
|
}
|
|
|
struct __attribute__ ((packed)) Packed
|
struct __attribute__ ((packed)) Packed
|
{
|
{
|
char c;
|
char c;
|
int i;
|
int i;
|
Unpacked u;
|
Unpacked u;
|
char t;
|
char t;
|
};
|
};
|
|
|
int Foo (Packed &p, int i, int ui)
|
int Foo (Packed &p, int i, int ui)
|
{
|
{
|
int r;
|
int r;
|
|
|
if ((r = Val (p.i, i)))
|
if ((r = Val (p.i, i)))
|
return r;
|
return r;
|
if ((r = Val (p.u.i, ui)))
|
if ((r = Val (p.u.i, ui)))
|
return r + 2;
|
return r + 2;
|
if ((r = Val (p.u, ui)))
|
if ((r = Val (p.u, ui)))
|
return r + 4;
|
return r + 4;
|
|
|
if ((r = ConstRef (p.i, &p.i, i)))
|
if ((r = ConstRef (p.i, &p.i, i)))
|
return r + 6;
|
return r + 6;
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
int main ()
|
int main ()
|
{
|
{
|
Packed p;
|
Packed p;
|
|
|
p.c = 0x12;
|
p.c = 0x12;
|
p.i = 0x3456789a;
|
p.i = 0x3456789a;
|
p.u.i = 0xbcdef00f;
|
p.u.i = 0xbcdef00f;
|
p.t = 0xed;
|
p.t = 0xed;
|
|
|
return Foo (p, 0x3456789a, 0xbcdef00f);
|
return Foo (p, 0x3456789a, 0xbcdef00f);
|
}
|
}
|
|
|
