RFR: 8320397: RISC-V: Avoid passing t0 as temp register to MacroAssembler:: cmpxchg_obj_header/cmpxchgptr

[Gui Cao]

On Fri, 1 Dec 2023 08:45:00 GMT, Robbin Ehn <rehn at openjdk.org> wrote:

> My time is a bit constrained right now, hopefully I can look at this next week.

OK. There is no hurry. Take your time.

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PR Comment: https://git.openjdk.org/jdk/pull/16880#issuecomment-1835766167