1  /* Test AAPCS layout (alignment) for callee.  */
       2  
       3  /* { dg-do run { target aarch64*-*-* } } */
       4  
       5  extern int memcmp (const void *s1, const void *s2, __SIZE_TYPE__ n);
       6  extern void abort (void);
       7  
       8  struct s
       9    {
      10      long x;
      11      long y;
      12    };
      13  
      14  /* This still has size 16, so is still passed by value.  */
      15  typedef __attribute__ ((__aligned__ (32))) struct s overaligned;
      16  
      17  /* A few structs, at 32-byte-aligned memory locations.  */
      18  overaligned a = { 2, 3 };
      19  overaligned b = { 5, 8 };
      20  overaligned c = { 13, 21 };
      21  
      22  void
      23  test_pass_by_value (int x0, overaligned x1, int x3, int x4, overaligned x5,
      24  		    int x7, int stack, overaligned stack8)
      25  {
      26    if (x0 != 7 || x3 != 9 || x4 != 11 || x7 != 15 || stack != 10)
      27      abort ();
      28    if (memcmp ((void *) &x1, (void *)&a, sizeof (overaligned)))
      29      abort ();
      30    if (memcmp ((void *) &x5, (void *)&b, sizeof (overaligned)))
      31      abort ();
      32    if (memcmp ((void *)&stack8, (void *)&c, sizeof (overaligned)))
      33      abort ();
      34    long addr = ((long) &stack8) & 15;
      35    if (addr != 0)
      36      {
      37        __builtin_printf ("Alignment was %d\n", addr);
      38        abort ();
      39      }
      40  }
      41  
      42  int
      43  main (int argc, char **argv)
      44  {
      45    test_pass_by_value (7, a, 9, 11, b, 15, 10, c);
      46    return 0;
      47  }