[PATCH] D128571: [X86] Support `_Float16` on SSE2 and up

[Phoebe Wang via Phabricator via cfe-commits]

pengfei created this revision.
pengfei added reviewers: zahiraam, rjmccall, bkramer, alexfh.
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This is split from D113107 <https://reviews.llvm.org/D113107> to address #56204 and https://discourse.llvm.org/t/how-to-build-compiler-rt-for-new-x86-half-float-abi/63366


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D128571

Files:
  clang/docs/LanguageExtensions.rst
  clang/docs/ReleaseNotes.rst
  clang/lib/Basic/Targets/X86.cpp
  clang/test/CodeGen/X86/Float16-arithmetic.c
  clang/test/CodeGen/X86/Float16-complex.c
  clang/test/CodeGen/X86/avx512fp16-complex.c
  clang/test/Sema/Float16.c
  clang/test/Sema/conversion-target-dep.c
  clang/test/SemaCXX/Float16.cpp

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