[PATCH] D41792: [AArch64] Add ARMv8.2-A FP16 scalar intrinsics

[Abderrazek Zaafrani via Phabricator via cfe-commits]

az created this revision.
az added a reviewer: SjoerdMeijer.
Herald added subscribers: kristof.beyls, javed.absar, mgorny, rengolin, aemerson.

ARMv8.2-A introduces half-precision floating point data processing. This patch adds the fp16 scalar intrinsics for this architecture as described in the ARM ACLE document. Only the front-end intrinsic work is done here. Some backend work related to instruction selection still needs to be done.

This work is a continuation of https://reviews.llvm.org/D32511 which addressed ARMv8.2-A vector intrinsics.


https://reviews.llvm.org/D41792

Files:
  clang/include/clang/Basic/BuiltinsNEON.def
  clang/include/clang/Basic/CMakeLists.txt
  clang/include/clang/Basic/arm_fp16.td
  clang/lib/Basic/Targets/AArch64.cpp
  clang/lib/CodeGen/CGBuiltin.cpp
  clang/lib/Headers/CMakeLists.txt
  clang/lib/Headers/module.modulemap
  clang/lib/Sema/SemaChecking.cpp
  clang/test/CodeGen/aarch64-v8.2a-fp16-intrinsics.c
  clang/utils/TableGen/NeonEmitter.cpp
  clang/utils/TableGen/TableGen.cpp
  clang/utils/TableGen/TableGenBackends.h
  llvm/include/llvm/IR/IntrinsicsAArch64.td

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