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  1. JDK
  2. JDK-8253525

Implement getInstanceSize/sizeOf intrinsics

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    • Enhancement
    • Status: Resolved
    • P4
    • Resolution: Fixed
    • 16
    • 16
    • hotspot
    • b25

    Description

      This is fork off the SizeOf JEP, JDK-8249196. There is already the entry point in JDK that can use the intrinsic like this: Instrumentation.getInstanceSize. Therefore, we can implement the C1/C2 intrinsic now, hook it up to Instrumentation, and let the tools use that fast path today.

      Work is done here:
        https://github.com/openjdk/jdk/pull/650

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              shade Aleksey Shipilev
              shade Aleksey Shipilev
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