[lworld] Implement a fast path for flat / null-free array allocation in C1

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    • Type: Enhancement
    • Resolution: Unresolved
    • Priority: P4
    • repo-valhalla
    • Affects Version/s: repo-valhalla
    • Component/s: hotspot

      LIR_Assembler::emit_alloc_array always goes to the slow path for flat / null-free arrays. We should implement a fast path, similar to -XX:+UseFastNewObjectArray.

            Assignee:
            Damon Fenacci
            Reporter:
            Tobias Hartmann
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              Created:
              Updated: