Author: Paul Robinson Date: 2023-07-25T10:00:13-07:00 New Revision: 1fde372b320015f22e24b67c41c7028974a4a223
URL: https://github.com/llvm/llvm-project/commit/1fde372b320015f22e24b67c41c7028974a4a223 DIFF: https://github.com/llvm/llvm-project/commit/1fde372b320015f22e24b67c41c7028974a4a223.diff LOG: [Headers][doc] Add description of _mm256_movemask_epi8 Differential revision: https://reviews.llvm.org/D156248 Added: Modified: clang/lib/Headers/avx2intrin.h Removed: ################################################################################ diff --git a/clang/lib/Headers/avx2intrin.h b/clang/lib/Headers/avx2intrin.h index 8f2de05674c891..c45006193eddcc 100644 --- a/clang/lib/Headers/avx2intrin.h +++ b/clang/lib/Headers/avx2intrin.h @@ -1307,6 +1307,23 @@ _mm256_min_epu32(__m256i __a, __m256i __b) return (__m256i)__builtin_elementwise_min((__v8su)__a, (__v8su)__b); } +/// Creates a 32-bit integer mask from the most significant bit of each byte +/// in the 256-bit integer vector in \a __a and returns the result. +/// +/// \code{.operation} +/// FOR i := 0 TO 31 +/// j := i*8 +/// result[i] := __a[j+7] +/// ENDFOR +/// \endcode +/// +/// \headerfile <immintrin.h> +/// +/// This intrinsic corresponds to the \c VPMOVMSKB instruction. +/// +/// \param __a +/// A 256-bit integer vector containing the source bytes. +/// \returns The 32-bit integer mask. static __inline__ int __DEFAULT_FN_ATTRS256 _mm256_movemask_epi8(__m256i __a) { _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
