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  1. JDK
  2. JDK-8183103

Post loop vectorization produces incorrect results

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    • Subcomponent:
    • Resolved In Build:
      b178
    • CPU:
      x86_64
    • Verification:
      Verified

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        Description

        compiler/codegen/TestIntFloatVect.java failed w/ jdk9+175 on hosts w/ Intel SKL -- Intel(R) Xeon(R) Platinum 8168 CPU @ 2.70GHz

        #section:main
        ----------messages:(4/372)----------
        command: main -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:-TieredCompilation -XX:-OptimizeFill compiler.codegen.TestIntFloatVect
        reason: User specified action: run main/othervm/timeout=300 -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:-TieredCompilation -XX:-OptimizeFill compiler.codegen.TestIntFloatVect
        Mode: othervm [/othervm specified]
        elapsed time (seconds): 0.847
        ----------configuration:(0/0)----------
        ----------System.out:(3/52)----------
        Testing Integer + Float vectors
        Warmup
        Verification
        ----------System.err:(3/85)----------
        test_ci_oppos: a1[0] = -1 != -123
        test_ci_oppos: a1[1] = -1 != -123
        FAILED: 2 errors

          Attachments

          1. opto.asm
            8 kB
          2. gdb.asm
            5 kB

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                • Assignee:
                  thartmann Tobias Hartmann
                  Reporter:
                  iignatyev Igor Ignatyev
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                    Updated:
                    Resolved: