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  1. JDK
  2. JDK-8065760

CHA: Improve abstract method support

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Details

    • Enhancement
    • Status: Resolved
    • P3
    • Resolution: Fixed
    • 9, 10
    • 17
    • hotspot
    • b25

    Description

      Consider the following hierarchy:
          interface I1 { public int m(); }
          abstract class C1 implements I1 {}
          class C2 extends C1 { public int m() { return 0; }}
       
      Call site: invokevirtual C1.m() C2

      The call site is monomorphic (C2.m()), but inlining during C1 compilation fails with the following message:
         2217 1 b 1 jsr292.DevirtIntfMethod::test (5 bytes)
                           @ 1 jsr292.DevirtIntfMethod$I1::m (0 bytes) not inlineable

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        Issue Links

          is blocked by

          Enhancement - null JDK-8267806 C1: Relax inlining checks for not yet initialized classes

          • P3 - Major loss of function.
          • Resolved

          Enhancement - null JDK-8267807 C2: Downcast receiver to target holder during inlining

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

          Bug - A problem which impairs or prevents the functions of the product. JDK-8269664 CTW: guarantee(NULL == (void *)check_unique_concrete_method(ctxk, fm)) failed: verify dep

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

          Enhancement - null JDK-8036580 CHA: Improve default method support

          • P3 - Major loss of function.
          • Resolved
          links to

          Commit Commit openjdk/jdk/20479c3d

          Review Review openjdk/jdk/4213

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            People

              vlivanov Vladimir Ivanov
              vlivanov Vladimir Ivanov
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              Dates

                Created:
                Updated:
                Resolved: