[libc-commits] [PATCH] D123615: [libc] Automatically add -mfma flag for architectures supporting FMA.

[Tue Ly via Phabricator via libc-commits]

lntue created this revision.
lntue added reviewers: michaelrj, sivachandra.
Herald added subscribers: ecnelises, tschuett, mgorny.
Herald added projects: libc-project, All.
lntue requested review of this revision.

Detect if the architecture supports FMA instructions and if
the targets depend on fma.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D123615

Files:
  libc/cmake/modules/LLVMLibCCheckCpuFeatures.cmake
  libc/cmake/modules/LLVMLibCLibraryRules.cmake
  libc/cmake/modules/LLVMLibCObjectRules.cmake
  libc/src/__support/FPUtil/CMakeLists.txt
  libc/src/__support/FPUtil/PolyEval.h
  libc/src/__support/FPUtil/x86_64/FMA.h
  libc/src/__support/FPUtil/x86_64/PolyEval.h
  libc/src/__support/architectures.h
  libc/src/math/CMakeLists.txt
  libc/src/math/fma.cpp
  libc/src/math/fmaf.cpp
  libc/src/math/generic/CMakeLists.txt
  libc/src/math/generic/exp2f.cpp
  libc/src/math/generic/expf.cpp
  libc/src/math/generic/expm1f.cpp
  libc/src/math/generic/log10f.cpp
  libc/src/math/generic/log1pf.cpp
  libc/src/math/generic/log2f.cpp
  libc/src/math/generic/logf.cpp

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