[all-commits] [llvm/llvm-project] af4098: [RISCV][llvm] Support PSLL codegen for P extension...

[Brandon Wu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: af4098b45a753a317d6a36aa76235fe30a401733
      https://github.com/llvm/llvm-project/commit/af4098b45a753a317d6a36aa76235fe30a401733
  Author: Brandon Wu <brandon.wu at sifive.com>
  Date:   2025-12-05 (Fri, 05 Dec 2025)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVISelLowering.cpp
    M llvm/lib/Target/RISCV/RISCVInstrInfoP.td
    M llvm/test/CodeGen/RISCV/rvp-ext-rv32.ll
    M llvm/test/CodeGen/RISCV/rvp-ext-rv64.ll

  Log Message:
  -----------
  [RISCV][llvm] Support PSLL codegen for P extension (#170074)

There's no instruciton for vector shift amount, so we have to scalarize
it and rebuild the vector.



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