gcc/testsuite/gcc.target/powerpc/altivec-2.c

   1 /* { dg-do compile { target powerpc*-*-* } } */
   2 /* { dg-require-effective-target powerpc_altivec_ok } */
   3 /* { dg-options "-maltivec" } */
   4
   5 /* Program to test the vector_size attribute.  This needs to run on a
   6    target that has vectors, so use AltiVec.  */
   7
   8 #define vector __attribute__((vector_size(16)))
   9
  10 vector int foobar;
  11
  12 /* Only floats and integrals allowed.  We don't care if they map to SIs.  */
  13 struct X { int frances; };
  14 vector struct X hotdog; /* { dg-error "invalid vector type" } */
  15
  16 /* Arrays of vectors.  */
  17 vector char b[10], ouch;
  18
  19 /* Pointers of vectors.  */
  20 vector short *shoe, polish;
  21
  22 int xxx[sizeof(foobar) == 16 ? 69 : -1];
  23
  24 int nc17[sizeof(shoe) == sizeof (char *) ? 69 : -1];
  25
  26 void
  27 code ()
  28 {
  29   *shoe = polish;
  30   b[1] = ouch;
  31 }
  32
  33 vector short
  34 hoop ()
  35 {
  36   return polish;
  37 }