[PATCH] D136413: [Clang][LoongArch] Define more LoongArch specific built-in macros

[Lu Weining via Phabricator via cfe-commits]

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Define below macros accroding to LoongArch toolchain conventions [1].

__loongarch_grlen
__loongarch_frlen
__loongarch_lp64
__loongarch_hard_float
__loongarch_soft_float
__loongarch_single_float
__loongarch_double_float

Note:

1. __loongarch__ has been defined in earlier patch.
2. __loongarch_arch is not defined because I don't know how TargetInfo

can get the arch name specified by -march.

3. __loongarch_tune will be defined in future.

[1] https://loongson.github.io/LoongArch-Documentation/LoongArch-toolchain-conventions-EN.html

Depends on D136146 <https://reviews.llvm.org/D136146>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D136413

Files:
  clang/lib/Basic/Targets/LoongArch.cpp
  clang/lib/Basic/Targets/LoongArch.h
  clang/test/Preprocessor/init-loongarch.c

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