[all-commits] [llvm/llvm-project] 7e6394: [RISCV][CostModel] Make VMV_S_X and VMV_X_S cost i...

[Shih-Po Hung via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7e63940f69d99c12ccc18c76e1fc6b861fd459ec
      https://github.com/llvm/llvm-project/commit/7e63940f69d99c12ccc18c76e1fc6b861fd459ec
  Author: Shih-Po Hung <shihpo.hung at sifive.com>
  Date:   2024-01-23 (Tue, 23 Jan 2024)

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

  Log Message:
  -----------
  [RISCV][CostModel] Make VMV_S_X and VMV_X_S cost independent of LMUL (#78739)

Following #77963, instructions like VMV_S_X/VMV_X_S 
handle single element, so the cost don't scale with LMUL.