[s390] Cleanup TemplateInterpreterGenerator::generate_fixed_frame

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    • Type: Enhancement
    • Resolution: Fixed
    • Priority: P4
    • 13
    • Affects Version/s: 13
    • Component/s: hotspot
    • b25
    • s390x

        The current implementation of generate_fixed_frame unnecessarily reloads fields from memory. Most prominent is the reload of ConstMethod* (5 times).
        In addition, unneeded monitor space is allocated in the top frame. Space for monitors gets added on demand (lock_method uses add_monitor_to_stack).
        Also, implementation can get simplified by using MacroAssembler::Clear_Array.

              Assignee:
              Martin Doerr
              Reporter:
              Martin Doerr
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                Created:
                Updated:
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