Uploaded image for project: 'JDK'
  1. JDK
  2. JDK-8217629

RegMask::find_lowest_bit can reuse count_trailing_zeros utility

    XMLWordPrintable

    Details

    • Subcomponent:
    • Resolved In Build:
      b05

      Description

      Reusing the count_trailing_zeros utility is a small cleanup to the regmask code. Doing so measurably speeds up the C2 register allocator by a few percent on linux-x64 on startup tests.

        Attachments

          Activity

            People

            Assignee:
            redestad Claes Redestad
            Reporter:
            redestad Claes Redestad
            Votes:
            0 Vote for this issue
            Watchers:
            1 Start watching this issue

              Dates

              Created:
              Updated:
              Resolved: