Integrated: 8316594: C2 SuperWord: wrong result with hand unrolled loops

[Emanuel Peter]

On Thu, 21 Sep 2023 15:26:25 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

> Please read description in https://github.com/openjdk/jdk/pull/15864.
> 
> Currently, we only compare the first element of the load-pack with the StoreVector. This is not correct, we need to compare all elements of the load-pack with the StoreVector. Otherwise it may be that the first element lays below/before the memory region of the StoreVector (Less), but the last element of the load-pack for example could have overlap with the StoreVector (Equal).
> 
> Tier1-6 + stress-testing.
> Performance testing.

This pull request has now been integrated.

Changeset: 3630af26
Author:    Emanuel Peter <epeter at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/3630af26e6f05237195e53b98603adf404e90a1a
Stats:     112 lines in 3 files changed: 104 ins; 5 del; 3 mod

8316594: C2 SuperWord: wrong result with hand unrolled loops

Reviewed-by: kvn, thartmann

-------------

PR: https://git.openjdk.org/jdk/pull/15866