[x86-64 psABI]: Extend x86-64 psABI to support AVX-512

[H.J. Lu]

On Wed, Jul 24, 2013 at 8:23 AM, Richard Biener
<richard.guenther@gmail.com> wrote:
> "H.J. Lu" <hjl.tools@gmail.com> wrote:
>
>>Hi,
>>
>>Here is a patch to extend x86-64 psABI to support AVX-512:
>
> Afaik avx 512 doubles the amount of xmm registers. Can we get them callee saved please?
>

Make them callee saved means we need to change ld.so to
preserve them and we need to change unwind library to
support them.  It is certainly doable.

--
H.J.