gcc/testsuite/gcc.dg/vect/pr51074.c

   1 /* PR tree-optimization/51074 */
   2
   3 #include "tree-vect.h"
   4
   5 struct S { int a, b; } s[8];
   6
   7 int
   8 main ()
   9 {
  10   int i;
  11   check_vect ();
  12   for (i = 0; i < 8; i++)
  13     {
  14       s[i].b = 0;
  15       s[i].a = i;
  16     }
  17   asm volatile ("" : : : "memory");
  18 #pragma GCC novector
  19   for (i = 0; i < 8; i++)
  20     if (s[i].b != 0 || s[i].a != i)
  21       abort ();
  22   return 0;
  23 }
  24