[AArch64][PATCH 1/2] Add support for ARMv8.2 DC CVAP instruction.

[Matthew Wahab]

Committed: https://sourceware.org/ml/binutils-cvs/2015-12/msg00102.html

Ok for the 2.26 branch?
Matthew

On 09/12/15 09:52, Matthew Wahab wrote:
> Hello,
>
> ARMv8.2 adds the new system instruction DC CVAP. This patch series adds
> support for this instruction to binutils, enabled when -march=armv8.2-a
> is selected.
>
> The AArch64 binutils record of some system registers uses a boolean
> value to hold the single flag currently supported for them. To allow
> these registers to be limited to specific architectures, the first patch
> in this series replaces the boolean flag with a bitset and feature test.
>
> The following patch adds support for the DC CVAP instruction.
>
> Tested the series for aarch64-none-linux-gnu with cross-compiled
> check-binutils and check-gas.
>
> Ok for trunk?
> Matthew
>
> include/opcode/
> 2015-12-09  Matthew Wahab  <matthew.wahab@arm.com>
>
>      * aarch64.h (aarch64_sys_ins_reg): Replace has_xt with flags.
>      (aarch64_sys_ins_reg_has_xt): Declare.
>
> opcodes/
> 2015-12-09  Matthew Wahab  <matthew.wahab@arm.com>
>
>      * aarch64-dis.c (aarch64_ext_regrt_sysins): Replace use of has_xt
>      with aarch64_sys_ins_reg_has_xt.
>      (aarch64_ext_sysins_op): Likewise.
>      * aarch64-opc.c (operand_general_constraint_met_p): Likewise.
>      (F_HASXT): New.
>      (aarch64_sys_regs_ic): Update for changes to aarch64_sys_ins_reg.
>      (aarch64_sys_regs_dc): Likewise.
>      (aarch64_sys_regs_at): Likewise.
>      (aarch64_sys_regs_tlbi): Likewise.
>      (aarch64_sys_ins_reg_has_xt): New.