Shenandoah: streamline post-LRB CAS barrier (x86)

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    • Type: Enhancement
    • Resolution: Fixed
    • Priority: P4
    • 14
    • Affects Version/s: 8-shenandoah, 11-shenandoah, 12, 13, 14
    • Component/s: hotspot
    • gc
    • b21

      After LRB switched Shenandoah to strong to-space invariant, we can simplify CAS handling logic a bit. Notably, we can avoid the retry loop that was needed due to from-space ptrs potentially stored in memory.

        1.
        		 Release Note: Shenandoah CAS barriers improvements Sub-task Closed Aleksey Shipilev  

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