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  1. JDK
  2. JDK-6746907

Improve implicit null check generatation

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Details

    • Enhancement
    • Resolution: Fixed
    • P4
    • hs14
    • hs14
    • hotspot
    • b05
    • sparc
    • solaris_10

    Backports

      Description

        VM doesn't generate implicit null check if there are empty blocks
        between null test and uncommon_trap call.
        Also VM specifies the holder of a tested oop in uncommon_trap's debug info
        instead of passing NULL. This increase registers pressure.

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            backported by

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-2172771 Improve implicit null check generatation

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-2177238 Improve implicit null check generatation

            • P3 - Major loss of function.
            • Closed

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                kvn Vladimir Kozlov
                kvn Vladimir Kozlov
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                  Created:
                  Updated:
                  Resolved:
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