What's new in 6-2017-q1-update
Features:
- All GCC 6 features, plus latest mainline feature:
+ Full Armv8-M support including atomics and Security Extensions
+ Arm PURECODE support for Armv7-M and Armv8-M Mainline
+ Co-processor intrinsics support
+ Cortex-M23 and Cortex-M33 support
+ -mthumb optional for Cortex-M devices - Support for OS-retargeting of locking routines in newlib
Important bugs fixed in 6 update 1 release:
- Fix Mac GDB crash with invalid commands
https://bugs.launchpad.net/gcc-arm-embedded/+bug/1655778 - Fix Windows wildcard support
- Fix selection of newlib.h variant with nano.specs and g++
https://bugs.launchpad.net/gcc-arm-embedded/+bug/1661882 - Allow VCMP immediate without prefix in unified syntax
https://bugs.launchpad.net/gcc-arm-embedded/+bug/1641333
Known Changes and Issues:
- Thumb1 code size regression due to new register allocation: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59535
- Multilib is now enabled with --with-multilib-list=rmprofile when building the toolchain from source
Release Note for GNU Arm Embedded Toolchain Downloads 6-2017-q1-update
This release includes the following items:
* Bare metal EABI pre-built binaries for running on a Windows host
* Bare metal EABI pre-built binaries for running on a Linux host
* Bare metal EABI pre-built binaries for running on a Mac OS X host
* Source code package (together with build scripts and instructions to setup build environment), composed of:
* gcc : ARM/embedded-6-branch revision 245512
http://gcc.gnu.org/svn/gcc/branches/ARM/embedded-6-branch/
* binutils : master
git://sourceware.org/git/binutils-gdb.git commit 82f83aa4df8dbb68b769df3dd96a9375a64ba38f
* newlib and newlib-nano :
git://sourceware.org/git/newlib-cygwin.git commit e046e4de145009ae6baf27f8e0553a666e6a8d3d
* gdb : 7.12 without target sim support
git://sourceware.org/git/binutils-gdb.git commit 872656e2af9e4220574fd96a65c576a0685f2af8
* expat 2.1.1 :
http://jaist.dl.sourceforge.net/project/expat/expat/2.1.1/expat-2.1.1.tar.bz2
* gmp 6.1.0 :
ftp://gcc.gnu.org/pub/gcc/infrastructure/gmp-6.1.0.tar.bz2
* libelf 0.8.13 :
http://www.mr511.de/software/libelf-0.8.13.tar.gz
* libiconv 1.14 :
http://ftp.gnu.org/gnu/libiconv/libiconv-1.14.tar.gz
* mpc 1.0.3 : ftp://gcc.gnu.org/pub/gcc/infrastructure/mpc-1.0.3.tar.gz
* mpfr 3.1.4 : ftp://gcc.gnu.org/pub/gcc/infrastructure/mpfr-3.1.4.tar.bz2
* isl 0.15 : ftp://gcc.gnu.org/pub/gcc/infrastructure/isl-0.15.tar.bz2
* zlib 1.2.8
http://sourceforge.net/projects/libpng/files/zlib/1.2.8/zlib-1.2.8.tar.gz/download
Supported hosts:
* Windows 7 32/64 bits (with installer and alternative zip package)
* Linux 64 bits
- Ubuntu 14.04 or later (tarball)
- Ubuntu 14.04/16.04/16.10 (tarball and PPA)
- RHEL 7 (tarball)
* Mac OS X 10.7.3 and newer 64 bits (tarball)
Supported target OS:
* Bare metal EABI only
Features:
* All GCC 6 features, plus latest mainline features:
+ Full Armv8-M support including atomics and Security Extensions
+ Arm PURECODE support for Armv7-M and Armv8-M Mainline
+ Co-processor intrinsics support
+ Cortex-M23 and Cortex-M33 support
+ -mthumb optional for Cortex-M devices
* Support for OS-retargeting of locking routines in newlib
Tests:
* Tested on a variety of Cortex-M0/M0+/M3/M4/M7/A9 boards
* Tested on Qemu
* Tested on Arm Fast Models
Important bugs fixed in 6 update 1 release:
* Fix Mac GDB crash with invalid commands
https://bugs.launchpad.net/gcc-arm-embedded/+bug/1655778
* Fix Windows wildcard support
* Fix selection of newlib.h variant with nano.specs and g++
https://bugs.launchpad.net/gcc-arm-embedded/+bug/1661882
* Allow VCMP immediate without prefix in unified syntax
https://bugs.launchpad.net/gcc-arm-embedded/+bug/1641333
Known Changes and Issues:
* Thumb1 code size regression due to new register allocation:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59535
* Multilib is now enabled with --with-multilib-list=rmprofile when building the toolchain from source