gcc/testsuite/gcc.dg/torture/pr52407.c

   1 /* { dg-do run } */
   2 /* { dg-options "-fno-common" { target hppa*-*-hpux* } } */
   3
   4 extern void abort (void);
   5
   6 typedef long long T;
   7 typedef T vl_t __attribute__((vector_size(2 * sizeof (T))));
   8
   9 vl_t    ul[4], vl[4] = { { 1, 2 }, { 3, 4 }, { 5, 6 }, { 7, 8 } };
  10
  11 static void
  12 mul_vl_l(vl_t *u, vl_t *v, T x, int m)
  13 {
  14   vl_t   w;
  15   T *p = (T *)&w;
  16   p[0] = p[1] = x;
  17   while (m--)
  18     *u++ = *v++ * w;
  19 }
  20
  21 int
  22 main(int argc, char *argv[])
  23 {
  24   int i;
  25   T *pl;
  26
  27   pl = (T *) &ul;
  28   mul_vl_l(ul, vl, 2, 4);
  29   for (i = 0; i < 8; i++)
  30     if (pl[i] != 2 * (i + 1))
  31       abort ();
  32
  33   return 0;
  34 }