[PATCH] D105264: [X86] AVX512FP16 instructions enabling 2/6

[LuoYuanke via Phabricator via llvm-commits]

LuoYuanke added inline comments.


================
Comment at: clang/lib/Headers/avx512vlfp16intrin.h:368
+_mm256_reduce_add_ph(__m256h __W) {
+  return __builtin_ia32_reduce_fadd_ph256(0.0f16, __W);
+}
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>From https://llvm.org/docs/LangRef.html#llvm-vector-reduce-add-intrinsic, -0.0f16 is better?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D105264/new/

https://reviews.llvm.org/D105264