[PATCH] [ARM]: Extend -mfpu options for half-precision and vfpv3xd

[Javed Absar]

Some of the the permissible ARM -mfpu (floating-point hardware) options, which are already supported in GCC, are currently not present in llvm/clang. This patch adds, namely, the options 'neon-fp16', 'vfpv3-fp16', 'vfpv3-d16-fp16', 'vfpv3xd' and 'vfpv3xd-fp16. These options are related to half-precision floating-point and single precision.

REPOSITORY
  rL LLVM

http://reviews.llvm.org/D10645

Files:
  include/llvm/Support/TargetParser.h
  lib/Support/TargetParser.cpp

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