Uploaded image for project: 'JDK'
  1. JDK
  2. JDK-8218767

ZGC: Do not assume that r12 is a special register in C2

    XMLWordPrintable

Details

    • Enhancement
    • Status: Resolved
    • P4
    • Resolution: Fixed
    • 13
    • 13
    • hotspot
    • gc
    • b09

    Description

      The C2 load barrier code for ZGC assumes that r12 is not used as a general purpose register. However, JDK-8217909 might change that, so ZGC should not be making this assumption.

      Attachments

        Issue Links

          is blocked by

          Enhancement - null JDK-8217909 Make unused r12 register (without compressed oops) available to regalloc in C2

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

          Activity

            People

              pliden Per Liden (Inactive)
              pliden Per Liden (Inactive)
              Votes:
              0 Vote for this issue
              Watchers:
              1 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: