Uploaded image for project: 'JDK'
  1. JDK
  2. JDK-8300247

Harden C1 xchg on AArch64 and PPC

    XMLWordPrintable

Details

    • Enhancement
    • Resolution: Fixed
    • P4
    • 21
    • 21
    • hotspot
    • b08

    Description

      In the C1 xchg operation, AArch64 and PPC don't deal well with the input register and output register being the same. In some new code, that can happen. This change aims at solving that issue.

      Attachments

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. JDK-8320807 [PPC64][ZGC] C1 generates wrong code for atomics

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

          Commit Commit openjdk/jdk/28545dcf

          Review Review openjdk/jdk/12065

          Activity

            People

              eosterlund Erik Österlund
              eosterlund Erik Österlund
              Votes:
              0 Vote for this issue
              Watchers:
              3 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: