1  /* Test support of scalar_storage_order pragma */
       2  
       3  /* { dg-do run } */
       4  /* { dg-require-effective-target int32plus } */
       5  
       6  #pragma scalar_storage_order /* { dg-warning "missing .big-endian., .little-endian., or .default." } */
       7  
       8  #pragma scalar_storage_order big-endian
       9  
      10  struct S1
      11  {
      12    int i;
      13  };
      14  
      15  struct __attribute__((scalar_storage_order("little-endian"))) S2
      16  {
      17    int i;
      18  };
      19  
      20  #pragma scalar_storage_order little-endian
      21  
      22  struct S3
      23  {
      24    int i;
      25  };
      26  
      27  struct __attribute__((scalar_storage_order("big-endian"))) S4
      28  {
      29    int i;
      30  };
      31  
      32  #pragma scalar_storage_order default
      33  
      34  struct S5
      35  {
      36    int i;
      37  };
      38  
      39  #pragma scalar_storage_order other /* { dg-warning "expected .big-endian., .little-endian., or .default." } */
      40  
      41  struct S1 my_s1 = { 0x12345678 };
      42  struct S2 my_s2 = { 0x12345678 };
      43  struct S3 my_s3 = { 0x12345678 };
      44  struct S4 my_s4 = { 0x12345678 };
      45  struct S5 my_s5 = { 0x12345678 };
      46  
      47  unsigned char big_endian_pattern[4] = { 0x12, 0x34, 0x56, 0x78 };
      48  unsigned char little_endian_pattern[4] = { 0x78, 0x56, 0x34, 0x12 };
      49  
      50  int main (void)
      51  {
      52    if (__builtin_memcmp (&my_s1, &big_endian_pattern, 4) != 0)
      53      __builtin_abort ();
      54  
      55    if (__builtin_memcmp (&my_s2, &little_endian_pattern, 4) != 0)
      56      __builtin_abort ();
      57  
      58    if (__builtin_memcmp (&my_s3, &little_endian_pattern, 4) != 0)
      59      __builtin_abort ();
      60  
      61    if (__builtin_memcmp (&my_s4, &big_endian_pattern, 4) != 0)
      62      __builtin_abort ();
      63  
      64  #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
      65    if (__builtin_memcmp (&my_s5, &little_endian_pattern, 4) != 0)
      66      __builtin_abort ();
      67  #else
      68    if (__builtin_memcmp (&my_s5, &big_endian_pattern, 4) != 0)
      69      __builtin_abort ();
      70  #endif
      71  
      72    return 0;
      73  }