gcc/testsuite/gcc.dg/torture/pr93354.c

   1 /* { dg-do run } */
   2
   3 typedef __INT32_TYPE__ int32_t;
   4 typedef __INT64_TYPE__ int64_t;
   5 struct X { int32_t i; int32_t j; };
   6 void foo (int64_t *z)
   7 {
   8   ((struct X *)z)->i = 0x05060708;
   9   ((struct X *)z)->j = 0x01020304;
  10   *z = 0x0102030405060708;
  11 }
  12
  13 int main()
  14 {
  15   int64_t l = 0;
  16   int64_t *p;
  17   asm ("" : "=r" (p) : "0" (&l));
  18   foo (p);
  19   if (l != 0x0102030405060708)
  20     __builtin_abort ();
  21   return 0;
  22 }