[PATCH] D11931: AVX512 : vplzcnt and vpconflict implemantation

[Igor Breger via llvm-commits]

igorb added a comment.

In http://reviews.llvm.org/D11931#240619, @RKSimon wrote:

> Hi Igor,
>
> Have you looked into promoting i8/i16 vector CTLZ to use the dword LZCNT instruction (trunc(sub(lzcnt(zext(x))))?
>
> Cheers, Simon.


This is a good idea, I will implement it.


Repository:
  rL LLVM

http://reviews.llvm.org/D11931