Matthew Wahab c8a6db6fa0 [AArch64][PATCH 1/2] Add support for RAS instruction ESB.
The ARMv8.2 RAS extension adds a new barrier instruction ESB as an alias
and the preferred form of HINT 16.

This patch adds an architectural feature flag for the RAS extension and
includes it in the features selected enabled by -march=armv8.2-a. It
also adds the ESB instruction, making it available whenever the RAS
feature is enabled.

Because ESB is the preferred form and because the target architecture
isn't available to the disassembler, HINT 16 will be disassembled as ESB
even when the target has no support for the RAS extension.

gas/testsuite/
2015-12-10  Matthew Wahab  <matthew.wahab@arm.com>

	* gas/aarch64/system-2.d: New.
	* gas/aarch64/system-2.s: New.
	* gas/aarch64/system.d: Adjust expected output for HINT 16.

include/opcode/
2015-12-10  Matthew Wahab  <matthew.wahab@arm.com>

	* aarch64.h (AARCH64_FEATURE_RAS): New.
	(AARCH64_ARCH_V8_2): Add AARCH64_FEATURE_RAS.

opcodes/
2015-12-10  Matthew Wahab  <matthew.wahab@arm.com>

	* aarch64-asm-2.c: Regenerate.
	* aarch64-dis-2.c: Regenerate.
	* aarch64-tbl.h (aarch64_feature_ras): New.
	(RAS): New.
	(aarch64_opcode_table): Add "esb".

Change-Id: Id4713917da15cca3b977284f43febd1c9b3d9faf
2015-12-10 14:10:15 +00:00
2015-12-07 13:17:00 +10:30
2015-12-09 10:36:44 +10:30
2015-11-14 16:24:39 -08:00
2015-08-31 12:53:36 +09:30
2014-11-16 13:43:48 +01:00
2015-07-27 07:49:05 -07:00
2014-11-16 13:43:48 +01:00
2014-11-16 13:43:48 +01:00
2014-11-24 09:14:09 -08:00
2014-02-06 11:01:57 +01:00
2015-07-14 09:52:36 -07:00
2014-11-16 13:43:48 +01:00
2014-11-16 13:43:48 +01:00
2014-11-16 13:43:48 +01:00

		   README for GNU development tools

This directory contains various GNU compilers, assemblers, linkers, 
debuggers, etc., plus their support routines, definitions, and documentation.

If you are receiving this as part of a GDB release, see the file gdb/README.
If with a binutils release, see binutils/README;  if with a libg++ release,
see libg++/README, etc.  That'll give you info about this
package -- supported targets, how to use it, how to report bugs, etc.

It is now possible to automatically configure and build a variety of
tools with one command.  To build all of the tools contained herein,
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	./configure 
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If you have more than one compiler on your system, it is often best to
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	CC=gcc ./configure
	make

A similar example using csh:

	setenv CC gcc
	./configure
	make

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