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  1. JDK
  2. JDK-8140390

Char stores/loads accessing byte arrays must be marked as unmatched

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Details

    • Bug
    • Resolution: Fixed
    • P2
    • 9
    • 9
    • hotspot
    • None
    • b96
    • Verified

    Description

      CompactStrings requires char loads/stores from/to byte arrays. This triggers JDK-8140309 which is currently not fixed in hs-comp because the fix was backed out. Attached patch (mismatched.patch) marks the loads/stores as unmatched but depends on a proper fix for JDK-8140309.

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          is blocked by

          Bug - A problem which impairs or prevents the functions of the product. JDK-8140309 [REDO] failed: no mismatched stores, except on raw memory: StoreB StoreI

          • P2 - Crashes, loss of data, severe memory leak.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. JDK-8142386 Octane crashes with assert(is_Load())

          • P2 - Crashes, loss of data, severe memory leak.
          • Closed
          relates to

          JEP - Java Enhancement Proposal JDK-8054307 JEP 254: Compact Strings

          • P2 - Crashes, loss of data, severe memory leak.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. JDK-8256807 C2: Not marking stores correctly as mismatched in string opts

          • P3 - Major loss of function.
          • Resolved

          Enhancement - null JDK-8143385 Improve C2's API for emitting atomic/unaligned/mismatched stores or loads

          • P3 - Major loss of function.
          • Closed

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            People

              thartmann Tobias Hartmann
              thartmann Tobias Hartmann
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              Dates

                Created:
                Updated:
                Resolved: