gcc/testsuite/gcc.dg/altivec-2.c

   1 /* { dg-do compile { target powerpc-*-* } } */
   2 /* { dg-options "-maltivec" } */
   3
   4 /* Program to test the vector_size attribute.  This needs to run on a
   5    target that has vectors, so use AltiVec.  */
   6
   7 #define vector __attribute__((vector_size(16)))
   8
   9 vector int foobar;
  10
  11 /* Only floats and integrals allowed.  We don't care if they map to SIs.  */
  12 struct X { int frances; };
  13 vector struct X hotdog; /* { dg-error "invalid vector type" } */
  14
  15 /* Arrays of vectors.  */
  16 vector char b[10], ouch;
  17
  18 /* Pointers of vectors.  */
  19 vector short *shoe, polish;
  20
  21 int xxx[sizeof(foobar) == 16 ? 69 : -1];
  22
  23 int nc17[sizeof(shoe) == sizeof (char *) ? 69 : -1];
  24
  25 code ()
  26 {
  27   *shoe = polish;
  28   b[1] = ouch;
  29 }
  30
  31 vector short
  32 hoop ()
  33 {
  34   return polish;
  35 }