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Re: [Aarch64] Support ARMv8.2 AT instructions

From: Matthew Wahab <matthew dot wahab at foss dot arm dot com>
To: binutils at sourceware dot org, Tristan Gingold <gingold at adacore dot com>
Date: Thu, 10 Dec 2015 17:05:12 +0000
Subject: Re: [Aarch64] Support ARMv8.2 AT instructions
Authentication-results: sourceware.org; auth=none
References: <56697079 dot 6050709 at foss dot arm dot com>

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".

Follow-Ups:
- Re: [Aarch64] Support ARMv8.2 AT instructions
  - From: Tristan Gingold

References:
- [Aarch64] Support ARMv8.2 AT instructions
  - From: Matthew Wahab

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