On Thu, Sep 23, 2021 at 6:17 PM liuhongt <hongtao....@intel.com> wrote:
>
> Updated, mention _Float16 support.
>
> ---
> htdocs/gcc-12/changes.html | 13 ++++++++++++-
> 1 file changed, 12 insertions(+), 1 deletion(-)
>
> diff --git a/htdocs/gcc-12/changes.html b/htdocs/gcc-12/changes.html
> index 81f62fe3..f19c6718 100644
> --- a/htdocs/gcc-12/changes.html
> +++ b/htdocs/gcc-12/changes.html
> @@ -165,7 +165,18 @@ a work-in-progress.</p>
> </li>
> </ul>
>
> -<!-- <h3 id="x86">IA-32/x86-64</h3> -->
> +<h3 id="x86">IA-32/x86-64</h3>
> +<ul>
> + <li>New ISA extension support for Intel AVX512-FP16 was added to GCC.
> + AVX512FP16 intrinsics are available via the <code>-mavx512fp16</code>
> + compiler switch.
> + </li>
> + <li>For both C and C++, The <code>_Float16</code> type is supported on
> + x86 systems with SSE2 enabled. Without <code>{-mavx512fp16}</code>,
> + <code>_Float16</code> type is storage only, all operations will be
I don't think _Float16 is storage only without AVX512FP16.
> + emulated by software emulation and the <code>float</code> instructions.
> + </li>
> +</ul>
>
> <!-- <h3 id="mips">MIPS</h3> -->
>
> --
> 2.18.1
>
--
H.J.
