Richard Earnshaw d3af4016a6 aarch64: Fix out-of-range branch veneers when --fix-cortex-a53-843419
The erratum mitigation support for the Cortex-A53 843419 erratum
inserts a new stub for every possible instance of the erratum.  Since
each stub ends up inserting 4k of space into the binary, in order to
avoid perturbing the alignment of other potential erratum sequences we
can end up adding substantially more space than the distance to the
next long-branch stub that we've prepared for.

The problem is, fundamentally a phase ordering problem, but that's
easily resolvable by running the 843419 erratum pass first and then
creating the stub groups once that is done.  In this way we take into
account the additional padding when forming the groups to ensure that
they remain within range.
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		   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, and so on. 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,
run the ``configure'' script here, e.g.:

	./configure 
	make

To install them (by default in /usr/local/bin, /usr/local/lib, etc),
then do:
	make install

(If the configure script can't determine your type of computer, give it
the name as an argument, for instance ``./configure sun4''.  You can
use the script ``config.sub'' to test whether a name is recognized; if
it is, config.sub translates it to a triplet specifying CPU, vendor,
and OS.)

If you have more than one compiler on your system, it is often best to
explicitly set CC in the environment before running configure, and to
also set CC when running make.  For example (assuming sh/bash/ksh):

	CC=gcc ./configure
	make

A similar example using csh:

	setenv CC gcc
	./configure
	make

Much of the code and documentation enclosed is copyright by
the Free Software Foundation, Inc.  See the file COPYING or
COPYING.LIB in the various directories, for a description of the
GNU General Public License terms under which you can copy the files.

REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info
on where and how to report problems.
Description
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