Uploaded image for project: 'JDK'
  1. JDK
  2. JDK-8193935

Illegal countedLoops transformation

    XMLWordPrintable

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: P3
    • Resolution: Fixed
    • Affects Version/s: 9, 10, 11
    • Fix Version/s: 11
    • Component/s: hotspot
    • Subcomponent:
    • Resolved In Build:
      b14

      Backports

        Description

        Adding -XX:-UseLoopPredicate when running specjvm2008/mpedaudio makes the benchmark fail with "Composite result: not valid". The bug is reproduced with the method "javazoom.jl.decoder.huffcodetab::huffman_decoder" (only inlining "javazoom.jl.decoder.BitReserve::hget1bit")

        >> SPECjvm2008/data$ bin/java -XX:+UnlockDiagnosticVMOptions -XX:-UseLoopPredicate -XX:CICompilerCount=1 -Xbatch -XX:LoopMaxUnroll=0 -XX:CompileCommand=quiet -XX:-CICompileOSR -XX:+PrintCompilation -XX:-UseFPUForSpilling -XX:+UseG1GC -Xmx2G -Xms2G -XX:-TieredCompilation -XX:CompilerDirectivesFile=mpegaudio.dir -Dspecjvm.home.dir=.../SPECjvm2008 -jar .../SPECjvm2008.jar -ikv -ict --benchmarkThreads 1 --warmuptime 30 --iterationTime 30 mpegaudio

          Attachments

            Issue Links

              Activity

                People

                Assignee:
                neliasso Nils Eliasson (Inactive)
                Reporter:
                neliasso Nils Eliasson (Inactive)
                Votes:
                0 Vote for this issue
                Watchers:
                2 Start watching this issue

                  Dates

                  Created:
                  Updated:
                  Resolved: