RFR: 8316659: assert(LockingMode != LM_LIGHTWEIGHT || flag == CCR0) failed: bad condition register

[Martin Doerr]

On Thu, 21 Sep 2023 10:41:56 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

> `compiler_fast_lock_object` and `compiler_fast_unlock_object` need to use CR0, now. This works for all locking modes and is used this way by C2 compiler, too (`flagsRegCR0` used by the mach nodes in ppc.ad).

Thanks for the reviews! Let's ship it to get the tests green again.

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PR Comment: https://git.openjdk.org/jdk/pull/15857#issuecomment-1729436192