[all-commits] [llvm/llvm-project] 5a1b98: [LoongArch] Support -march=la64v1.0 and -march=la6...

[Ami-zhang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5a1b9896ad5a7dcd25a1cc7a4d3fd44155e4b22d
      https://github.com/llvm/llvm-project/commit/5a1b9896ad5a7dcd25a1cc7a4d3fd44155e4b22d
  Author: Ami-zhang <zhanglimin at loongson.cn>
  Date:   2024-07-23 (Tue, 23 Jul 2024)

  Changed paths:
    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
    M clang/test/Preprocessor/init-loongarch.c
    M llvm/lib/TargetParser/LoongArchTargetParser.cpp

  Log Message:
  -----------
  [LoongArch] Support -march=la64v1.0 and -march=la64v1.1 (#100057)

The newly added strings `la64v1.0` and `la64v1.1` in `-march` are as
described in LoongArch toolchains conventions (see [1]).

The target-cpu/feature attributes are forwarded to compiler when
specifying particular `-march` parameter. The default cpu `loongarch64`
is returned when archname is `la64v1.0` or `la64v1.1`.

In addition, this commit adds `la64v1.0`/`la64v1.1` to
"__loongarch_arch" and adds definition for macro "__loongarch_frecipe".

[1]: https://github.com/loongson/la-toolchain-conventions



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