Subversion Repositories openrisc_2011-10-31

/* { dg-do run } */

/* { dg-options "-fno-strict-aliasing" } */

/* { dg-skip-if "unaligned access" { sparc*-*-* } "*" "" } */

/* { dg-skip-if "alignment exception" { or32*-*-* } "*" "" } */

extern void abort (void);

#if (__SIZEOF_INT__ <= 2)

struct X {

  unsigned char pad : 4;

  unsigned int a : 16;

  unsigned int b : 8;

  unsigned int c : 6;

} __attribute__((packed));

#else

struct X {

  unsigned char pad : 4;

  unsigned int a : 32;

  unsigned int b : 24;

  unsigned int c : 6;

} __attribute__((packed));

#endif

int main (void)

{

  struct X x;

  unsigned int bad_bits;

  x.pad = -1;

  x.a = -1;

  x.b = -1;

  x.c = -1;

  bad_bits = ((unsigned int)-1) ^ *(1+(unsigned int *) &x);

  if (bad_bits != 0)

    abort ();

  return 0;

}