[all-commits] [llvm/llvm-project] 8eb4ad: [RISCV][TTI] Discount slide cost if ri.vinsert/ri....

[Philip Reames via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8eb4ada181dc80e1c31c30c02e0bed6ca415047b
      https://github.com/llvm/llvm-project/commit/8eb4ada181dc80e1c31c30c02e0bed6ca415047b
  Author: Philip Reames <preames at rivosinc.com>
  Date:   2025-05-30 (Fri, 30 May 2025)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
    M llvm/test/Analysis/CostModel/RISCV/rvv-extractelement.ll
    M llvm/test/Analysis/CostModel/RISCV/rvv-insertelement.ll

  Log Message:
  -----------
  [RISCV][TTI] Discount slide cost if ri.vinsert/ri.vextract are available (#142036)

If we have the ri.vinsert/vextract instructions from xrivosvisni, we can
do an element insert or extract without needing a vslide or a vector
temporary register. Adjust the TTI cost to reflect this.



To unsubscribe from these emails, change your notification settings at https://github.com/llvm/llvm-project/settings/notifications