Integrated: 8328528: C2 should optimize long-typed parallel iv in an int counted loop

Mon Oct 21 15:00:30 UTC 2024

On Tue, 26 Mar 2024 14:43:42 GMT, Kangcheng Xu <kxu at openjdk.org> wrote:

> Currently, parallel iv optimization only happens in an int counted loop with int-typed parallel iv's. This PR adds support for long-typed iv to be optimized. 
> 
> Additionally, this ticket contributes to the resolution of [JDK-8275913](https://bugs.openjdk.org/browse/JDK-8275913). Meanwhile, I'm working on adding support for parallel IV replacement for long counted loops which will depend on this PR.

This pull request has now been integrated.

Changeset: 80ec5522
Author:    Kangcheng Xu <kxu at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/80ec552248470dda2d0d003be9315e9e39eb5276
Stats:     492 lines in 3 files changed: 456 ins; 1 del; 35 mod

8328528: C2 should optimize long-typed parallel iv in an int counted loop

Reviewed-by: roland, chagedorn, thartmann

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PR: https://git.openjdk.org/jdk/pull/18489