gcc/testsuite/gcc.dg/torture/pr84811.c

   1 /* { dg-do compile { target lp64 } } */
   2
   3 int a;
   4 long b[1][9];
   5 typedef long V __attribute__((vector_size (16), may_alias));
   6
   7 void
   8 foo ()
   9 {
  10   V *c = (V *) ((char *) b + -9060696663385964544);
  11   *c = (V) { 1, 1 };
  12   c++;
  13   *c = (V) { 1, 1 };
  14   c++;
  15   *c = (V) { 1, 1 };
  16   c++;
  17   *c = (V) { 1, 1 };
  18   long __attribute__((may_alias)) *d = (long *) ((char *) b + 162675373468811328);
  19   *d = 1;
  20 }