On Sun, 13 Nov 2022 21:08:53 GMT, Claes Redestad <redes...@openjdk.org> wrote:
> Also, I'd like to note that C2 auto-vectorization support is not too far away > from being able to optimize hash code computations. At some point, I was able > to achieve some promising results with modest tweaking of SuperWord pass: https://github.com/iwanowww/jdk/blob/superword/notes.txt http://cr.openjdk.java.net/~vlivanov/superword.reduction/webrev.00/ That would be extremely helpful not just for this case but for many other cases that today require the Vector API or handrolled intrinsics. For cases that would be great to support, a good guide is the [gcc autovectorization support](https://gcc.gnu.org/projects/tree-ssa/vectorization.html) given they use SLP as well. ------------- PR: https://git.openjdk.org/jdk/pull/10847
