1  /* Test support of scalar_storage_order pragma */
       2  
       3  /* { dg-do run } */
       4  /* { dg-options "-fsso-struct=little-endian" } */
       5  /* { dg-require-effective-target int32plus } */
       6  
       7  struct S1
       8  {
       9    int i;
      10  };
      11  
      12  #pragma scalar_storage_order big-endian
      13  
      14  struct S2
      15  {
      16    int i;
      17  };
      18  
      19  #pragma scalar_storage_order default
      20  
      21  struct S3
      22  {
      23    int i;
      24  };
      25  
      26  struct S1 my_s1 = { 0x12345678 };
      27  struct S2 my_s2 = { 0x12345678 };
      28  struct S3 my_s3 = { 0x12345678 };
      29  
      30  unsigned char big_endian_pattern[4] = { 0x12, 0x34, 0x56, 0x78 };
      31  unsigned char little_endian_pattern[4] = { 0x78, 0x56, 0x34, 0x12 };
      32  
      33  int main (void)
      34  {
      35    if (__builtin_memcmp (&my_s1, &little_endian_pattern, 4) != 0)
      36      __builtin_abort ();
      37  
      38    if (__builtin_memcmp (&my_s2, &big_endian_pattern, 4) != 0)
      39      __builtin_abort ();
      40  
      41    if (__builtin_memcmp (&my_s3, &little_endian_pattern, 4) != 0)
      42      __builtin_abort ();
      43  
      44    return 0;
      45  }