opaque vector types?

[Paolo Bonzini]

DJ Delorie wrote:
> Andrew Pinski <pinskia@gmail.com> writes:
>> You could do what the rs6000 back-end does for the altivec builtins
>> and resolve them while the parser is run (the SPU back-end does the
>> same thing too).  Yes there are opaque vector types, you just use
>> build_opaque_vector_type instead of build_vector_type.
> 
> Thanks, I'll look at those.  Any way to prototype such functions in C ?

If the opaque vector type is exported as say __v4si_opaque__ that would
be simply

extern __v4si_opaque__ my_and (__v4si_opaque__, __v4si_opaque__);

Opaque vector types are not available via attributes, but that could be
easily added.

Paolo