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  1. JDK
  2. JDK-8238680

C2: Remove redundant AD instructions for Replicate nodes

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    Details

    • Type: Enhancement
    • Status: Resolved
    • Priority: P4
    • Resolution: Fixed
    • Affects Version/s: 15
    • Fix Version/s: 15
    • Component/s: hotspot
    • Labels:
    • Subcomponent:
    • Resolved In Build:
      b10
    • CPU:
      x86

      Description

      Replicate[ILFD] have special cases for 512-bit case when VL is absent.

      But EVEX-encoded VPBROADCASTD/VPBROADCASTQ/VBROADCASTSS/VBROADCASTSD variants don't require VL and can be used instead.

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            Assignee:
            vlivanov Vladimir Ivanov
            Reporter:
            vlivanov Vladimir Ivanov
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              Dates

              Created:
              Updated:
              Resolved: