On Thu, 3 Jun 2021 00:29:00 GMT, Sandhya Viswanathan <sviswanat...@openjdk.org> wrote:
> The Vector API toShuffle method can be optimized using existing vector > conversion intrinsic. > > The following changes are made: > 1) vector.toShuffle java implementation is changed to call > VectorSupport.convert. > 2) The conversion intrinsic (inline_vector_convert()) in vectorIntrinsics.cpp > is changed to allow shuffle as a destination type. > 3) The shuffle.toVector intrinsic (inline_vector_shuffle_to_vector()) in > vectorIntrinsics.cpp now explicitly generates conversion node instead of > performing conversion during unbox. This is to remove unnecessary boxing > during back to back vector.toShuffle and shuffle.toVector calls. > > Best Regards, > Sandhya This pull request has now been integrated. Changeset: 20b63127 Author: Sandhya Viswanathan <sviswanat...@openjdk.org> URL: https://git.openjdk.java.net/jdk/commit/20b631278c0c89ccd9c16f2a29d47eb8414aacd5 Stats: 399 lines in 41 files changed: 165 ins; 197 del; 37 mod 8268151: Vector API toShuffle optimization Reviewed-by: psandoz, vlivanov ------------- PR: https://git.openjdk.java.net/jdk/pull/4326
