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  1. JDK
  2. JDK-8215560

[lworld] Investigate if method handle calls can be further optimized

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Details

    • Enhancement
    • Resolution: Fixed
    • P4
    • repo-valhalla
    • repo-valhalla
    • hotspot

    Description

      Many of the TestMethodHandles tests don't fully optimize anymore compared to MVT because lambda forms are now erased to Object instead of __Value. I temporarily disabled IR verification for these tests but we might be
      able to do better:
      http://hg.openjdk.java.net/valhalla/valhalla/rev/29b97940a7fb#l62.7

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          duplicates

          Bug - A problem which impairs or prevents the functions of the product. JDK-8220357 [lworld] ReturnNodes should not keep value type allocations alive

          • P3 - Major loss of function.
          • Closed
          relates to

          Sub-task - The sub-task of the issue JDK-8263010 [lworld] Inline type allocation might be kept alive by return

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Open

          Enhancement - null JDK-8206139 [lworld] Re-enable calling convention optimizations

          • P2 - Crashes, loss of data, severe memory leak.
          • Resolved

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              roland Roland Westrelin
              thartmann Tobias Hartmann
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              Dates

                Created:
                Updated:
                Resolved: