SjoerdMeijer added a comment.
Thanks for the review. Please see a first comment inline.
================
Comment at: include/clang/Basic/TargetInfo.h:365
+ /// \brief Determine whether _Float16 is supported on this target.
+ virtual bool hasFloat16Type() const { return HasFloat16; }
----------------
t.p.northover wrote:
> `_Float16` doesn't seem to be supported anywhere in Clang (`__fp16` is).
>
> But we should probably clarify exactly what kind of support we mean here.
> This variable doesn't affect:
>
> * Whether __fp16 can be used at all in source.
> * Its ABI.
>
> I'm actually slightly worried that when we document what it does affect it'll
> end up being an ARM implementation-detail.
>
>
I've added _Float16 support in Clang commit r312794: "Add _Float16 as a C/C++
source language type" :-)
https://reviews.llvm.org/D44561
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