[PATCH][AVX512] Handle valign masking intrinsic via C++ lowering

[Adam Nemet]

Thanks, Robert, it’s r215473.

Adam

On Aug 12, 2014, at 6:19 AM, Robert Khasanov <rob.khasanov at gmail.com> wrote:

> LGTM
> 
> 
> 2014-08-08 10:32 GMT+04:00 Adam Nemet <anemet at apple.com>:
> Hi,
> 
> I think that this will scale better in most cases than adding a Pat<> for each
> mapping from the intrinsic DAG to the intruction (i.e. rri, rrik, rrikz).  We
> can just lower to the SDNode and have the resulting DAG be matches by the DAG
> patterns.
> 
> Alternatively (long term), we could keep the Pat<>s but generate them via the
> new AVX512_masking multiclass.  The difficulty is that in order to formulate
> that we would have to concatenate DAGs in tablegen.  Currently this is only
> supported if the operators of the input DAGs are identical.
> 
> Please let me know if it looks good.
> 
> Adam
> 
> 

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20140812/deb2812c/attachment.html>