[PATCH 2/4] aarch64: Add support for Armv8-R DFB alias

[Alex Coplan]

This patch adds support for the DFB alias introduced in Armv8-R AArch64.

N.B. this patch does not contain the changes to the regenerated files
opcodes/aarch64-*-2.c: please regenerate these when testing the patch.

Testing:
 * New test to check DFB alias is correctly assembled/disassembled.
 * Regression tested an x64 -> aarch64-none-elf cross, no regressions.

---

gas/ChangeLog:

2020-09-04  Alex Coplan  <alex.coplan@arm.com>

	* testsuite/gas/aarch64/dfb.d: New test.
	* testsuite/gas/aarch64/dfb.s: Input.

opcodes/ChangeLog:

2020-09-04  Alex Coplan  <alex.coplan@arm.com>

	* aarch64-tbl.h (aarch64_feature_v8_r): New.
	(ARMV8_R): New.
	(V8_R_INSN): New.
	(aarch64_opcode_table): Add dfb.
	* aarch64-opc-2.c: Regenerate.
	* aarch64-asm-2.c: Regenerate.
	* aarch64-dis-2.c: Regenerate.
---
 gas/testsuite/gas/aarch64/dfb.d | 8 ++++++++
 gas/testsuite/gas/aarch64/dfb.s | 2 ++
 opcodes/aarch64-tbl.h           | 6 ++++++
 3 files changed, 16 insertions(+)
 create mode 100644 gas/testsuite/gas/aarch64/dfb.d
 create mode 100644 gas/testsuite/gas/aarch64/dfb.s
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 0002-aarch64-Add-support-for-Armv8-R-DFB-alias.patch
Type: text/x-patch
Size: 2720 bytes
Desc: not available
URL: <https://sourceware.org/pipermail/binutils/attachments/20200907/2071fdc3/attachment-0001.bin>