[LLVMdev] Clang 3.1 __builtin_ia32_pcmpeqd128 doesn't work anymore

[Christophe Duvernois]

Hi

__v4i comp = (vectTag == vectTag2); seems to work,

Thanks everyone.


2012/6/4 Hal Finkel <hfinkel at anl.gov>

> On Mon, 04 Jun 2012 14:28:12 +0200
> Duncan Sands <baldrick at free.fr> wrote:
>
> > Hi Hal,
> >
> > >> I think so, though I don't know much about clang's support for such
> > >> intrinsics, just what's in
> > >> http://clang.llvm.org/compatibility.html#vector_builtins
> > >
> > > I think that you should write to the cfe-dev list about this. Just
> > > because the LLVM intrinsic was removed does not mean that the clang
> > > intrinsic cannot exist. clang should be able to generate the
> > > aforementioned generic IR.
> >
> > did you read the web-page I mentioned above?
>
> No, and I apologize. Nevertheless, I still recommend that any further
> questions on this topic be directed to cfe-dev. This is because there
> is a decoupling between LLVM and clang intrinsics. Just because there
> is no longer an LLVM intrinsic does not mean that there cannot be a
> clang intrinsic (as you know, many of the existing clang intrinsics
> generate generic IR now).
>
>  -Hal
>
> >
> > Ciao, Duncan.
>
>
>
> --
> Hal Finkel
> Postdoctoral Appointee
> Leadership Computing Facility
> Argonne National Laboratory
>
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