Turnoff prefetching for -march=znver1

[Uros Bizjak]

On Tue, Feb 2, 2016 at 9:28 PM, Stepanyan, Victoria
<Victoria.Stepanyan@amd.com> wrote:
> Hi Maintainers,
>
> This patch disables prefetching for -march=znver1 which is turned on by default.
>
> gcc/ChangeLog:
>
> 2016-02-02 Victoria Stepanyan <victoria.stepanyan@amd.com>
>
>         * gcc/config/i386/x86-tune.def: Disable default prefetching for -march=znver1
>
> Ok for trunk?

OK.

Thanks,
Uros.