[PATCH] D11931: AVX512 : vplzcnt and vpconflict implemantation

[Simon Pilgrim via llvm-commits]

RKSimon added a subscriber: RKSimon.
RKSimon added a comment.

Hi Igor,

Have you looked into promoting i8/i16 vector CTLZ to use the dword LZCNT instruction (trunc(sub(lzcnt(zext(x))))?

Cheers, Simon.


Repository:
  rL LLVM

http://reviews.llvm.org/D11931