Uploaded image for project: 'JDK'
  1. JDK
  2. JDK-8052081

Optimize code generated by C2 for Intel's Atom processor

    XMLWordPrintable

Details

    • Enhancement
    • Resolution: Fixed
    • P3
    • 9
    • 9
    • hotspot
    • None
    • b28
    • x86
    • generic

    Backports

      Description

        Atom processor does not have AVX unit but it has SSE so we still can do vectorization.
        CRC32 assembler code can be modified to use only SSE instructions to execute it on Atom processors too.

        Attachments

          Issue Links

            backported by

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8054947 Optimize code generated by C2 for Intel's Atom processor

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8056363 Optimize code generated by C2 for Intel's Atom processor

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8063385 Optimize code generated by C2 for Intel's Atom processor

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8070944 Optimize code generated by C2 for Intel's Atom processor

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

            Bug - A problem which impairs or prevents the functions of the product. JDK-8316679 C2 SuperWord: wrong result, load should not be moved before store if not comparable

            • P3 - Major loss of function.
            • Resolved

            Bug - A problem which impairs or prevents the functions of the product. JDK-8059780 SPECjvm2008-MPEG performance regressions on x64 platforms

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

            Activity

              People

                kvn Vladimir Kozlov
                kvn Vladimir Kozlov
                Votes:
                0 Vote for this issue
                Watchers:
                2 Start watching this issue

                Dates

                  Created:
                  Updated:
                  Resolved: