[PATCH 1/14] [x86_64] Vector math functions (vector cos)

[Joseph Myers]

On Mon, 8 Jun 2015, Andrew Senkevich wrote:

> diff --git a/NEWS b/NEWS
> index 881e61c..5e223a1 100644
> --- a/NEWS
> +++ b/NEWS
> @@ -50,6 +50,14 @@ Version 2.22
>  * CVE-2014-8121 The NSS backends shared internal state between the getXXent
>    and getXXbyYY NSS calls for the same database, causing a denial-of-service
>    condition in some applications.
> +
> +* Added vector math library named libmvec with the following vectorized x86_64
> +  implementations: cos.
> +  The library can be disabled with --disable-mathvec. Use of the functions is
> +  enabled with -fopenmp -ffast-math starting from -O1 for GCC version >= 4.9.0.
> +  The library is linked in as needed when using -lm (no need to specify -lmvec
> +  explicitly).
> +  Visit <https://sourceware.org/glibc/wiki/libmvec> for detailed information.

This seems reasonable as a starting point (given install.texi updated as 
well).  The release manager may wish to edit the NEWS entries, of course.

-- 
Joseph S. Myers
joseph@codesourcery.com