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  1. JDK
  2. JDK-8299323

Allow extended registers for cmpw

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Details

    • Enhancement
    • Status: Resolved
    • P4
    • Resolution: Fixed
    • 21
    • 21
    • hotspot
    • None
    • b06
    • x86

    Description

      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.

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          Commit Commit openjdk/jdk/b7fb8ef8

          Review Review openjdk/jdk/11776

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              eosterlund Erik Österlund
              eosterlund Erik Österlund
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              Dates

                Created:
                Updated:
                Resolved: