Allow extended registers for cmpw

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    • Type: Enhancement
    • Resolution: Fixed
    • Priority: P4
    • 21
    • Affects Version/s: 21
    • Component/s: hotspot
    • None
    • b06
    • x86

      The current encoder for the cmpw(Address, int16_t) instruction on x64 does not allow rex extended registers. Generational ZGC needs to use this for arbitrary registers.

            Assignee:
            Erik Österlund
            Reporter:
            Erik Österlund
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              Created:
              Updated:
              Resolved: