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Enhancement
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Resolution: Fixed
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P4
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16
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b25
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
Work is done here:
https://github.com/openjdk/jdk/pull/650
- relates to
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JDK-8280003 C1: Reconsider uses of logical_and immediates in LIRGenerator::do_getObjectSize
- Resolved
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JDK-8279301 c1 getObjectSize intrinsic should guard round mask constant
- Closed
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JDK-8249196 Low-level Object layout introspection methods
- Draft