Re: [Minios-devel] [UNIKRAFT/INTEL-INTRINSICS PATCH 2/2] Fix _mm256_extract_epi64 definition on GCC

["felipehuici ." <felipehuici@xxxxxxxxx>]

Reviewed-by: Felipe Huici <felipe.huici@xxxxxxxxx>

On Mon, Apr 6, 2020 at 9:24 PM Vlad-Andrei Badoiu
<vlad_andrei.badoiu@xxxxxx> wrote:
>
> Signed-off-by: Vlad-Andrei Badoiu <vlad_andrei.badoiu@xxxxxx>
> ---
>  include/avxintrin.h | 9 +++++++++
>  1 file changed, 9 insertions(+)
>
> diff --git a/include/avxintrin.h b/include/avxintrin.h
> index 6b9541d..9ab6de7 100644
> --- a/include/avxintrin.h
> +++ b/include/avxintrin.h
> @@ -2035,8 +2035,17 @@ _mm256_blendv_ps(__m256 __a, __m256 __b, __m256 __c)
>  ///    element is extracted and returned.
>  /// \returns A 64-bit integer containing the extracted 64 bits of extended
>  ///    packed data.
> +#ifdef __clang__
>  #define _mm256_extract_epi64(X, N) \
>    (long long)__builtin_ia32_vec_ext_v4di((__v4di)(__m256i)(X), (int)(N))
> +#else
> +#define _mm256_extract_epi64(X, N)                                     \
> +         (__extension__                                                      
>   \
> +             ({                                                              
>           \
> +                    __m128i __Y = _mm256_extractf128_si256 ((X), (N) >> 1);  
>           \
> +                          _mm_extract_epi64 (__Y, (N) % 2);                  
>                   \
> +                              }))
> +#endif
>  #endif
>
>  /// Takes a [8 x i32] vector and replaces the vector element value
> --
> 2.20.1
>
>
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