Improve vector register handling in RegisterMap::pd_location() on x86

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    • Type: Enhancement
    • Resolution: Fixed
    • Priority: P3
    • 16
    • Affects Version/s: 16
    • Component/s: hotspot
    • b26

      Frame layout of register saver is quite complex for vector registers: ZMM0-15 are split in 3 parts (XMM, upper YMM, and upper ZMM parts) while ZMM16-31 are stored in-full.

      Instead of reifying that in OopMap for every slot, improve RegisterMap::pd_location() to handle it.

            Assignee:
            Vladimir Ivanov
            Reporter:
            Vladimir Ivanov
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              Created:
              Updated:
              Resolved: