gcc/testsuite/gcc.dg/sso-10.c

   1 /* { dg-do run } */
   2 /* { dg-options "-fsso-struct=native" } */
   3 /* { dg-require-effective-target int32plus } */
   4
   5 struct S1
   6 {
   7   int i;
   8 };
   9
  10
  11 struct S1 my_s1 = { 0x12345678 };
  12
  13 unsigned char big_endian_pattern[4] = { 0x12, 0x34, 0x56, 0x78 };
  14 unsigned char little_endian_pattern[4] = { 0x78, 0x56, 0x34, 0x12 };
  15
  16 int main (void)
  17 {
  18 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
  19   if (__builtin_memcmp (&my_s1, &little_endian_pattern, 4) != 0)
  20     __builtin_abort ();
  21 #else
  22   if (__builtin_memcmp (&my_s1, &big_endian_pattern, 4) != 0)
  23     __builtin_abort ();
  24 #endif
  25
  26   return 0;
  27 }