[Aarch64] Support an ARMv8.2 system register.

[Matthew Wahab]

Committed: https://sourceware.org/ml/binutils-cvs/2015-11/msg00163.html

Is this also ok for the 2.26 branch?
Matthew

On 24/11/15 10:47, Matthew Wahab wrote:
> Hello,
>
> ARMv8.2 adds a new system register id_aa64mmfr2_el1. This patch adds
> support for the register to binutils, making it available when
> -march=armv8.2-a is selected.
>
> Tested aarch64-none-linux-gnu with cross-compiled check-binutils and
> check-gas.
>
> Ok for trunk?
> Matthew
>
> gas/testsuite/
> 2015-11-24  Matthew Wahab  <matthew.wahab@arm.com>
>
>      * gas/aarch64/sysreg-2.d: New.
>      * gas/aarch64/sysreg-2.s: New.
>
> opcodes/
> 2015-11-24  Matthew Wahab  <matthew.wahab@arm.com>
>
>      * aarch64-opc.c (aarch64_sys_regs): Add "id_aa64mmfr2_el1".
>      (aarch64_sys_reg_supported_p): Add ARMv8.2 system register
>      feature test.