union unaligned
{
  void *ptr;
} __attribute__((__packed__));

void *foo (void *p)
{
  return (((union unaligned *) p)->ptr);
}

is compiled to an aligned word access on sh64-*.  It was compiled
to an unaligned access before the patch

r114364 | echristo | 2006-06-05 04:50:48 +0900 (Mon, 05 Jun 2006) | 17 lines