[all-commits] [llvm/llvm-project] f4379d: [LoongArch] Support LA V1.1 feature that div.w[u] ...

tangaac via All-commits all-commits at lists.llvm.org
Tue Nov 26 05:57:51 PST 2024


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f4379db49683a6b1d3d63b577985312556373c6f
      https://github.com/llvm/llvm-project/commit/f4379db49683a6b1d3d63b577985312556373c6f
  Author: tangaac <tangyan01 at loongson.cn>
  Date:   2024-11-26 (Tue, 26 Nov 2024)

  Changed paths:
    M clang/include/clang/Driver/Options.td
    M clang/lib/Basic/Targets/LoongArch.cpp
    M clang/lib/Basic/Targets/LoongArch.h
    M clang/lib/Driver/ToolChains/Arch/LoongArch.cpp
    M clang/test/Driver/loongarch-march.c
    A clang/test/Driver/loongarch-mdiv32.c
    M clang/test/Preprocessor/init-loongarch.c
    M llvm/include/llvm/TargetParser/LoongArchTargetParser.def
    M llvm/include/llvm/TargetParser/LoongArchTargetParser.h
    M llvm/lib/Target/LoongArch/LoongArch.td
    M llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
    M llvm/lib/TargetParser/Host.cpp
    M llvm/lib/TargetParser/LoongArchTargetParser.cpp
    A llvm/test/CodeGen/LoongArch/ir-instruction/sdiv-udiv-srem-urem-div32.ll

  Log Message:
  -----------
  [LoongArch] Support LA V1.1 feature that div.w[u] and mod.w[u] instructions with inputs not signed-extended. (#116764)

Two options for clang
-mdiv32: Use div.w[u] and mod.w[u] instructions with input not
sign-extended.
-mno-div32: Do not use div.w[u] and mod.w[u] instructions with input not
sign-extended.
The default is -mno-div32.



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