pengfei added inline comments.

================
Comment at: clang/lib/Headers/avx512fp16intrin.h:13
 
+#ifdef __SSE2__
+
----------------
RKSimon wrote:
> Doesn't this have to be the general case like in other places in the headers?
> ```
> #if !(defined(_MSC_VER) || defined(__SCE__)) || __has_feature(modules) ||     
>  \
>     defined(__SSE2__)
> ```
I don't think so. `!(defined(_MSC_VER) || defined(__SCE__)) || 
__has_feature(modules) || defined(__AVX512FP16__)` has already been checked in 
immintrin.h

So if we are preprocessing here, the above condition must be true. Since 
`AVX512FP16` implies `SSE2`, the new condition is constant ture.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D132342/new/

https://reviews.llvm.org/D132342

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