RFR: 8296875: Generational ZGC: Refactor loom code

[Fei Yang]

On Fri, 11 Nov 2022 19:41:56 GMT, Erik Österlund <eosterlund at openjdk.org> wrote:

> Nice to have PR 11111. It's gonna take a long time until we see 111111.

Nice PR number :-)
May I ask if you could also add handling for riscv while you are at it? We have ported loom to this platform recently [1].

[1] https://git.openjdk.org/jdk/commit/91292d56a9c2b8010466d105520e6e898ae53679

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PR: https://git.openjdk.org/jdk/pull/11111