[Aarch64] Support ARMv8.2 AT instructions
Matthew Wahab
matthew.wahab@foss.arm.com
Thu Dec 10 17:05:00 GMT 2015
Committed: https://sourceware.org/ml/binutils-cvs/2015-12/msg00104.html
Ok for the 2.26 branch?
Matthew
On 10/12/15 12:30, Matthew Wahab wrote:
> Hello,
>
> ARMv8.2 adds new instructions AT S1E1RP and AT S1E1WP to Aarch64. This
> patch adds support for the instructions, making them 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/
> 2015-12-09 Matthew Wahab <matthew.wahab@arm.com>
>
> * gas/aarch64/sysreg-2.d: Update for new tests for AT S1E1RP and
> AT S1E1WP.
> * gas/aarch64/sysreg-2.s: Add tests for AT S1E1RP and AT S1E1WP.
>
> opcodes/
> 2015-12-09 Matthew Wahab <matthew.wahab@arm.com>
>
> * aarch64-opc.c (aarch64_sys_regs_at): Add "s1e1rp" and "s1e1wp".
> (aarch64_sys_ins_reg_supported_p): Add ARMv8.2 system register
> feature test for "s1e1rp" and "s1e1wp".
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