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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc3/] [gcc/] [testsuite/] [g++.dg/] [ext/] [packed4.C] - Rev 301
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// { dg-do run { target { ! default_packed } } }
// { dg-options "-w" }
// Copyright (C) 2003 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 15 Jul 2003 <nathan@codesourcery.com>
// 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);
}
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