[all-commits] [llvm/llvm-project] b44fbd: [RISCV] Tune flag for fast vrgather.vv (#124664)

[Petr Penzin via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b44fbdee00bbead186baf4109ea7ca440bd8a0b3
      https://github.com/llvm/llvm-project/commit/b44fbdee00bbead186baf4109ea7ca440bd8a0b3
  Author: Petr Penzin <penzin.dev at gmail.com>
  Date:   2025-03-03 (Mon, 03 Mar 2025)

  Changed paths:
    M llvm/docs/ReleaseNotes.md
    M llvm/lib/Target/RISCV/RISCVFeatures.td
    M llvm/lib/Target/RISCV/RISCVISelLowering.cpp
    M llvm/lib/Target/RISCV/RISCVProcessors.td
    M llvm/lib/Target/RISCV/RISCVSubtarget.h
    M llvm/test/Analysis/CostModel/RISCV/shuffle-permute.ll
    M llvm/test/CodeGen/RISCV/features-info.ll

  Log Message:
  -----------
  [RISCV] Tune flag for fast vrgather.vv (#124664)

Add tune knob for N*Log2(N) vrgather.vv cost.



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