[PPC64] Make non-volatile VectorRegisters available for C2 register allocation

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    • Type: Enhancement
    • Resolution: Fixed
    • Priority: P3
    • 25
    • Affects Version/s: 25
    • Component/s: hotspot
    • b23
    • ppc

      VectorRegisters VR20-VR31 (same as VSR52-VSR63) are non-volatile and currently excluded from C2 register allocation.
      We can make the available if we save them when entering Java from C and restore them when returning.

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