gcc/testsuite/gcc.target/powerpc/pr52457.c

   1 /* { dg-do run { target { powerpc*-*-linux* } } } */
   2 /* { dg-skip-if "" { powerpc*-*-darwin* } } */
   3 /* { dg-require-effective-target vsx_hw } */
   4 /* { dg-options "-O1 -mdejagnu-cpu=power7" } */
   5
   6 extern void abort (void);
   7
   8 typedef long long T;
   9 typedef T vl_t __attribute__((vector_size(2 * sizeof (T))));
  10
  11 vl_t
  12 buggy_func (T x)
  13 {
  14   vl_t w;
  15   T *p = (T *)&w;
  16   p[0] = p[1] = x;
  17   return w;
  18 }
  19
  20 int
  21 main(void)
  22 {
  23   vl_t rval;
  24   T *pl;
  25
  26   pl = (T *) &rval;
  27   rval = buggy_func (2);
  28
  29   if (pl[0] != 2 || pl[1] != 2)
  30     abort ();
  31
  32   return 0;
  33 }