gcc/testsuite/gcc.c-torture/execute/20100708-1.c

   1 /* PR middle-end/44843 */
   2 /* Verify that we don't use the alignment of struct S for inner accesses.  */
   3
   4 struct S
   5 {
   6   double for_alignment;
   7   struct { int x, y, z; } a[16];
   8 };
   9
  10 void f(struct S *s) __attribute__((noinline));
  11
  12 void f(struct S *s)
  13 {
  14   unsigned int i;
  15
  16   for (i = 0; i < 16; ++i)
  17     {
  18       s->a[i].x = 0;
  19       s->a[i].y = 0;
  20       s->a[i].z = 0;
  21     }
  22 }
  23
  24 int main (void)
  25 {
  26   struct S s;
  27   f (&s);
  28   return 0;
  29 }