C1 should support conditional card marks (UseCondCardMark)

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    • Type: Enhancement
    • Resolution: Fixed
    • Priority: P4
    • 9
    • Affects Version/s: 8, 9
    • Component/s: hotspot
    • None
    • b64

        Now that there is no "Server VM" that only runs C2, but the tiered VM that runs both C1 and C2, it makes sense to support UseCondCardMark in C1-generated code.
        Otherwise, the warm code compiled by C1 can obliterate the conditional card mark check in hot code compiled with C2.

              Assignee:
              Aleksey Shipilev
              Reporter:
              Aleksey Shipilev
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                Created:
                Updated:
                Resolved: