gcc/testsuite/gcc.dg/pr64252.c

   1 /* PR target/64252 */
   2 /* { dg-do run } */
   3 /* { dg-options "-O2" } */
   4
   5 typedef unsigned int V __attribute__((vector_size (32)));
   6
   7 __attribute__((noinline, noclone)) void
   8 foo (V *a, V *b, V *c, V *d, V *e)
   9 {
  10   V t = __builtin_shuffle (*a, *b, *c);
  11   V v = __builtin_shuffle (t, (V) { ~0U, ~0U, ~0U, ~0U, ~0U, ~0U, ~0U, ~0U }, (V) { 0, 1, 8, 3, 4, 5, 9, 7 });
  12   v = v + *d;
  13   *e = v;
  14 }
  15
  16 int
  17 main ()
  18 {
  19   V a, b, c, d, e;
  20   int i;
  21   a = (V) { 1, 2, 3, 4, 5, 6, 7, 8 };
  22   b = (V) { 9, 10, 11, 12, 13, 14, 15, 16 };
  23   c = (V) { 1, 3, 5, 7, 9, 11, 13, 15 };
  24   d = (V) { 0, 0, 0, 0, 0, 0, 0, 0 };
  25   foo (&a, &b, &c, &d, &e);
  26   for (i = 0; i < 8; i++)
  27     if (e[i] != ((i == 2 || i == 6) ? ~0U : 2 + 2 * i))
  28       __builtin_abort ();
  29   return 0;
  30 }