[AArch64][PATCH 1/2] Add support for RAS instruction ESB.

[Matthew Wahab]

On 08/12/15 17:18, Matthew Wahab wrote:
> Hello,
>
> The ARMv8.2 RAS extension adds a new barrier instruction ESB as an alias and the
> preferred form of HINT 16.
>
> This patch adds an architectural feature flag for the RAS extension and includes
> it in the features selected enabled by -march=armv8.2-a. It also adds the ESB
> instruction, making it available whenever the RAS feature is enabled.

I forgot to say that this patch depends on the ARMv8.1/ARMv8.2 feature flag clean up
patch https://sourceware.org/ml/binutils/2015-12/msg00103.html

Matthew