[all-commits] [llvm/llvm-project] eb3a67: [AArch64] Avoid vector interleave instructions whe...

[Sander de Smalen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: eb3a67173093b06eb1a4ce878c38b5c80926a957
      https://github.com/llvm/llvm-project/commit/eb3a67173093b06eb1a4ce878c38b5c80926a957
  Author: Sander de Smalen <sander.desmalen at arm.com>
  Date:   2024-05-02 (Thu, 02 May 2024)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/test/CodeGen/AArch64/sve-streaming-mode-fixed-length-ld2-alloca.ll
    M llvm/test/CodeGen/AArch64/sve-streaming-mode-fixed-length-shuffle.ll

  Log Message:
  -----------
  [AArch64] Avoid vector interleave instructions when NEON and SVE are unavailable (#90723)

As the summary suggests, the code incorrectly assumes that it can use
NEON or SVE instructions to implement an interleaved load/store
operation, even when both features are unavailable in the selected
runtime mode.



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