Integrated: 8341619: C2: remove unused StoreCM node

Thu Oct 10 08:37:16 UTC 2024

On Mon, 7 Oct 2024 11:28:19 GMT, Roberto Castañeda Lozano <rcastanedalo at openjdk.org> wrote:

> This cleanup removes C2's `StoreCM` (store card mark) node and all its special handling code. This node used to model card mark stores in early-expanded G1 post-barriers, and is no longer needed after [JEP 475](https://openjdk.org/jeps/475).
> 
> __Testing:__ tier1-5 (linux-x64, linux-aarch64, windows-x64, macosx-x64, and macosx-aarch64; release and debug mode).

This pull request has now been integrated.

Changeset: 16042556
Author:    Roberto Castañeda Lozano <rcastanedalo at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/16042556f394adfa93e54173944198397ad29dea
Stats:     388 lines in 23 files changed: 0 ins; 376 del; 12 mod

8341619: C2: remove unused StoreCM node

Reviewed-by: chagedorn, thartmann, kvn

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PR: https://git.openjdk.org/jdk/pull/21385