Uploaded image for project: 'JDK'
  1. JDK
  2. JDK-8231586

enlarge encoding space for OopMapValue offsets

    XMLWordPrintable

    Details

    • Subcomponent:
    • Resolved In Build:
      b19

      Backports

        Description

        The current HotSpot OopMapValue encoding uses 16 and steals 4 bits to represent 4 different flag values. The values are disjoint so they could be encoded by 2 bits, which quadruples the offset range for the encoding.

          Attachments

            Issue Links

              Activity

                People

                Assignee:
                never Tom Rodriguez
                Reporter:
                never Tom Rodriguez
                Votes:
                0 Vote for this issue
                Watchers:
                6 Start watching this issue

                  Dates

                  Created:
                  Updated:
                  Resolved: