gcc/testsuite/gcc.dg/torture/pr52402.c

   1 /* { dg-do run } */
   2 /* { dg-options "-w -Wno-psabi" } */
   3 /* { dg-require-effective-target int32plus } */
   4
   5 typedef int v4si __attribute__((vector_size(16)));
   6 struct T { v4si i[2]; int j; } __attribute__((packed));
   7
   8 static v4si __attribute__((noinline))
   9 foo (struct T t)
  10 {
  11   return t.i[0];
  12 }
  13
  14 static struct T *__attribute__((noinline))
  15 init ()
  16 {
  17   char *p = __builtin_malloc (sizeof (struct T) + 1);
  18   p++;
  19   __builtin_memset (p, 1, sizeof (struct T));
  20   return (struct T *)p;
  21 }
  22
  23 int main()
  24 {
  25   struct T *p;
  26   p = init ();
  27   if (foo (*p)[0] != 0x01010101)
  28     __builtin_abort ();
  29   return 0;
  30 }