[PATCH] D62367: [X86] VP2INTERSECT clang

Craig Topper via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Mon May 27 22:48:03 PDT 2019


craig.topper added inline comments.


================
Comment at: lib/Headers/avx512vlvp2intersectintrin.h:39
+
+static __inline__ void __DEFAULT_FN_ATTRS256
+_mm256_2intersect_epi32(__m256i __a, __m256i __b, __mmask8 *__m0, __mmask8 *__m1) {
----------------
xiangzhangllvm wrote:
> craig.topper wrote:
> > Can you add doxygen comments for the new intrinsics? @RKSimon has been asking for it on other reviews. I forgot to say something in our internal review.
> OK! But I really find many ntrinsicxxx.h have no doxygen comments, Is it like this format: ?
> 
> 
> ```
> /// Rounds up each element of the 128-bit vector of [4 x float] to an
> ///    integer and returns the rounded values in a 128-bit vector of
> ///    [4 x float].
> ///
> /// \headerfile <x86intrin.h>
> ///
> /// \code
> /// __m128 _mm_ceil_ps(__m128 X);
> /// \endcode
> ///
> /// This intrinsic corresponds to the <c> VROUNDPS / ROUNDPS </c> instruction.
> ///
> /// \param X
> ///    A 128-bit vector of [4 x float] values to be rounded up.
> /// \returns A 128-bit vector of [4 x float] containing the rounded values.
> #define _mm_ceil_ps(X)       _mm_round_ps((X), _MM_FROUND_CEIL)
> ```
> 
Yeah that looks right. Someone was kind enough to provide comments for some of the header files a few years ago, but it wasn't complete. I know avx512* especially are missing comments.


Repository:
  rC Clang

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D62367/new/

https://reviews.llvm.org/D62367





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