[PATCH] D62363: Enable intrinsics that convert float and bf16 data to each other

[Kan Shengchen via Phabricator via cfe-commits]

skan created this revision.
skan added reviewers: xiangzhangllvm, LuoYuanke, craig.topper.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.

Scalar version : 
 `_mm_cvtsbh_ss`  , `_mm_cvtness_sbh`

Vector version:
`_mm512_cvtpbh_ps` , `_mm256_cvtpbh_ps`
`_mm512_maskz_cvtpbh_ps` , `_mm256_maskz_cvtpbh_ps`
`_mm512_mask_cvtpbh_ps` , `_mm256_mask_cvtpbh_ps`


Repository:
  rC Clang

https://reviews.llvm.org/D62363

Files:
  include/clang/Basic/BuiltinsX86.def
  lib/CodeGen/CGBuiltin.cpp
  lib/Headers/avx512bf16intrin.h
  test/CodeGen/avx512bf16-builtins.c

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