gcc/testsuite/gcc.dg/20030218-1.c

   1 /* { dg-do compile { target powerpc-*-eabi* } } */
   2 /* { dg-options "-mcpu=8540" } */
   3
   4 /* Test vectors that can interconvert without a cast.  */
   5
   6 typedef int __attribute__((mode(V2SI))) __ev64_opaque__;
   7
   8 __ev64_opaque__ opp;
   9 int vint   __attribute__((mode(V2SI)));
  10 int vshort __attribute__((mode(V4HI)));
  11 int vfloat __attribute__((mode(V2SF)));
  12
  13 int
  14 main (void)
  15 {
  16   __ev64_opaque__ george = { 1, 2 }; /* { dg-error "opaque vector types cannot be initialized" } */
  17
  18   opp = vfloat;
  19   vshort = opp;
  20   vfloat = vshort; /* { dg-error "incompatible types in assignment" } */
  21
  22   /* Just because this is a V2SI, it doesn't make it an opaque.  */
  23   vint = vshort; /* { dg-error "incompatible types in assignment" } */
  24
  25   return 0;
  26 }