JDK-8218414 : VM annotation to mark methods w/o side effects
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 13
  • Priority: P4
  • Status: Open
  • Resolution: Unresolved
  • Submitted: 2019-02-05
  • Updated: 2019-10-12
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Other
tbdUnresolved
Related Reports
Relates :  
JDK-6440430 - C2 does not optimize away pointless calls to nanoTime, currentTimeMillis
Description
Consider adding VM annotation to mark methods without any side effects except those needed to compute the return value (Integer.valueOf() is a good example.) 

Relevant discussion:
  https://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2019-February/032638.html