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  1. JDK
  2. JDK-8275317

AArch64: Support some type conversion vectorization in SLP

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    Details

    • Type: Enhancement
    • Status: Resolved
    • Priority: P4
    • Resolution: Fixed
    • Affects Version/s: 18
    • Fix Version/s: 18
    • Component/s: hotspot
    • Labels:
    • Subcomponent:
    • Resolved In Build:
      b24
    • CPU:
      aarch64
    • OS:
      generic

      Description

      Current C2's SLP vectorizer doesn't support type conversion operations. But AArch64 has vector type conversion instructions (in both NEON and SVE). So it should possible to enable these by adding some support in the mid-end and/or back-end.

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          Issue Links

          relates to

          Enhancement - null JDK-8283091 Support type conversion between different data sizes in SLP

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

          Commit Commit openjdk/jdk/9aa30de4

          Review Review openjdk/jdk/6145

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              People

              Assignee:
              pli Pengfei Li
              Reporter:
              pli Pengfei Li
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                Dates

                Created:
                Updated:
                Resolved: