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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [bitfld-3.c] - Blame information for rev 689

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Line No. Rev Author Line
1 689 jeremybenn
/* Test for bitfield alignment in structs and unions.  */
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/* { dg-do run { target pcc_bitfield_type_matters } }  */
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/* { dg-options "-O2" }  */
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extern void abort (void);
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extern void exit (int);
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typedef long la __attribute__((aligned (8)));
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struct A
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{
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  char a;
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  union UA
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  {
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    char x;
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    la y : 6;
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  } b;
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  char c;
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} a;
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struct B
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{
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  char a;
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  union UB
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  {
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    char x;
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    long y : 6 __attribute__((aligned (8)));
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  } b;
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  char c;
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} b;
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struct C
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{
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  char a;
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  struct UC
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  {
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    la y : 6;
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  } b;
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  char c;
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} c;
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struct D
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{
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  char a;
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  struct UD
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  {
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    long y : 6 __attribute__((aligned (8)));
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  } b;
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  char c;
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} d;
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int main (void)
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{
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  if (sizeof (a) != sizeof (b))
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    abort ();
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  if (sizeof (a) != sizeof (c))
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    abort ();
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  if (sizeof (a) != sizeof (d))
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    abort ();
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  if ((&a.c - &a.a) != (&b.c - &b.a))
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    abort ();
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  if ((&a.c - &a.a) != (&c.c - &c.a))
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    abort ();
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  if ((&a.c - &a.a) != (&d.c - &d.a))
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    abort ();
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  exit (0);
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}

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