[all-commits] [llvm/llvm-project] d21b31: [RISCV] Remove vmerges from vector ceil, floor, tr...

Craig Topper via All-commits all-commits at lists.llvm.org
Sat Jul 30 11:01:52 PDT 2022

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d21b315360608c7fc776a8cf09dc25c10da0240f
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2022-07-30 (Sat, 30 Jul 2022)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVISelLowering.cpp
    M llvm/lib/Target/RISCV/RISCVISelLowering.h
    M llvm/test/CodeGen/RISCV/rvv/fceil-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/ffloor-sdnode.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-fp.ll
    M llvm/test/CodeGen/RISCV/rvv/ftrunc-sdnode.ll

  Log Message:
  [RISCV] Remove vmerges from vector ceil, floor, trunc lowering.

Use masked operations to suppress spurious exception bits being
set in fflags. Unfortunately, doing this adds extra copies.

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