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  1. JDK
  2. JDK-6754519

don't emit flag fixup for NaN when condition being tested doesn't need it

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: P3
    • Resolution: Fixed
    • Affects Version/s: hs14
    • Fix Version/s: hs14
    • Component/s: hotspot
    • Labels:
    • Subcomponent:
    • Resolved In Build:
      b07
    • CPU:
      sparc
    • OS:
      solaris_9

      Backports

        Description

        Java's rules for handling NaNs in floating point comparisons requires that extra fixup code be emitted for them. Currently we do this all the time but for many fp tests the fixup code won't change the result of the comparison. In those cases it should be eliminated.

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                • Assignee:
                  never Tom Rodriguez
                  Reporter:
                  never Tom Rodriguez
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