RFR: 8272735: Add missing SubL node transformations

Wed Mar 9 14:55:08 UTC 2022

On Wed, 2 Mar 2022 21:28:13 GMT, Ahmed Muhsin <duke at openjdk.java.net> wrote:

> This change adds/enables missing subnode transformations for operations of type `long`.
> A few comments in the test file `SubINodeIdealizationTests.java` were modified to add clarity and to fix a typo.
> Hotspot:tier1 tests were run, this change does not introduce any new failures.

Did you sync up with @JohnTortugo on this (because the JBS issue is assigned to him)? It's not clear to me if you addressed all the issues that Cesar listed in the description.

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PR: https://git.openjdk.java.net/jdk/pull/7669