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

   1 /* { dg-do run { target { powerpc*-*-linux* } } } */
   2 /* { dg-skip-if "" { powerpc*-*-darwin* } } */
   3 /* { dg-skip-if "" { powerpc*-*-*spe* } } */
   4 /* { dg-require-effective-target vsx_hw } */
   5 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power7" } } */
   6 /* { dg-options "-O1 -mcpu=power7" } */
   7
   8 extern void abort (void);
   9
  10 typedef long long T;
  11 typedef T vl_t __attribute__((vector_size(2 * sizeof (T))));
  12
  13 vl_t
  14 buggy_func (T x)
  15 {
  16   vl_t w;
  17   T *p = (T *)&w;
  18   p[0] = p[1] = x;
  19   return w;
  20 }
  21
  22 int
  23 main(void)
  24 {
  25   vl_t rval;
  26   T *pl;
  27
  28   pl = (T *) &rval;
  29   rval = buggy_func (2);
  30
  31   if (pl[0] != 2 || pl[1] != 2)
  32     abort ();
  33
  34   return 0;
  35 }