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  1. JDK
  2. JDK-8253734

C2: Optimize Move nodes

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Details

    • Enhancement
    • Resolution: Fixed
    • P3
    • 16
    • 16
    • hotspot
    • b22

    Description

      Introduce the following transformations for Move nodes:
        (1) (MoveI2F (MoveF2I x)) => x
        (2) MoveI2F (LoadI mem) => LoadF mem
        (3) StoreI mem (MoveF2I x) => StoreF mem x

      The same applies to L2D/D2L flavors.

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          is blocked by

          Enhancement - null JDK-8255000 C2: Unify IGVN processing when loop opts are over

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

          Bug - A problem which impairs or prevents the functions of the product. JDK-8256368 Avoid repeated upcalls into Java to re-resolve MH/VH linkers/invokers

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

          Commit Commit openjdk/jdk/83a91bfa

          Review Review openjdk/jdk/826

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              vlivanov Vladimir Ivanov
              vlivanov Vladimir Ivanov
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              Dates

                Created:
                Updated:
                Resolved: