gcc/testsuite/gcc.dg/torture/pr86363.c

   1 /* { dg-do run } */
   2 /* { dg-additional-options "-w -Wno-psabi" } */
   3
   4 typedef char U __attribute__ ((vector_size (16)));
   5 typedef unsigned V __attribute__ ((vector_size (16)));
   6
   7 V g;
   8
   9 V
  10 f (V v, U u)
  11 {
  12   __builtin_memset (&u[v[0]], 0, 1);
  13   g ^= u[0];
  14   return g;
  15 }
  16
  17 int
  18 main (void)
  19 {
  20   V x = f ((V) { 5 }, (U) { 1 });
  21
  22   if (x[0] != 1 || x[1] != 1 || x[2] != 1 || x[3] != 1)
  23     __builtin_abort ();
  24   return 0;
  25 }