[AArch64][2.26] Backport ARMv8.2 command line option and feature flag

[Tristan Gingold]

> On 09 Dec 2015, at 13:19, Matthew Wahab <matthew.wahab@foss.arm.com> wrote:
> 
> Hello,
> 
> This is a backport of the ARMv8.2 command line option and feature flag
> added by https://sourceware.org/ml/binutils-cvs/2015-11/msg00114.html.
> 
> The original patch submission is at
> https://sourceware.org/ml/binutils/2015-11/msg00130.html
> 
> Tested aarch64-none-linux-gnu with cross-compiled check-binutils and
> check-gas. Checked the HTML documentation in Firefox.
> 
> Ok for trunk?

Yes, ok for the branch.

> Matthew
> 
> gas/
> 2015-12-09  Matthew Wahab  <matthew.wahab@arm.com>
> 
> 	* config/tc-aarch64.c (aarch64_archs): Add "armv8.2-a".
> 	* doc/c-aarch64.texi (-march): Likewise.
> 
> include/opcode/
> 2015-12-09  Matthew Wahab  <matthew.wahab@arm.com>
> 
> 	* aarch64.h (AARCH64_FEATURE_V8_2): New.
> 	(AARCH64_ARCH_V8_2): New.
> 
> <0001-AArch64-Add-ARMv8.2-command-line-option-and-feature-.patch>