[ANNOUNCE] Linaro GCC 6 2017.01 snapshot

[Yvan Roux]

The Linaro Toolchain Working Group (TCWG) is pleased to announce the
2017.01 snapshot of the Linaro GCC 6 source package.

This monthly snapshot[1] is based on FSF GCC 6.3+svn244220 and
includes performance improvements and bug fixes backported from
mainline GCC. This snapshot contents will be part of the 2017.02
stable[2] quarterly release.

This snapshot tarball is available on:
http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.3-2017.01/

Interesting changes in this GCC source package snapshot include:

* Updates to GCC 6.3+svn244220
* Backport of [Bugfix] Fix PR77673: bswap loads passed end of object
* Backport of [ARMv8-M] [AArch32] 1/7 Move memory model declarations
in memmodel.h
* Backport of [ARMv8-M] [AArch32] 2/7 Adapt atomic and exclusive load
and store to ARMv8-M Baseline
* Backport of [ARMv8-M] [AArch32] 3/7 Refactor atomic compare_and_swap
to make it fit for ARMv8-M Baseline
* Backport of [ARMv8-M] [AArch32] 4/7 Adapt atomic compare and swap to
ARMv8-M Baseline
* Backport of [ARMv8-M] [AArch32] 5/7 Adapt other atomic operations to
ARMv8-M Baseline
* Backport of [ARMv8-M] [AArch32] 7/7 Enable ARMv8-M atomic and
synchronization support for ARMv8-M Baseline
* Backport of [ARMv8-M] [AArch32] Added support for ARMV8-M Security
Extension cmse_nonsecure_caller intrinsic
* Backport of [ARMv8-M] [AArch32] Add multilib mapping for Cortex-M23
& Cortex-M33
* Backport of [ARMv8-M] [AArch32] Add support for ARM Cortex-M23 processor
* Backport of [ARMv8-M] [AArch32] Add support for ARM Cortex-M33 processor
* Backport of [ARMv8-M] [AArch32] Add support for ARMv8-M's Secure
Extensions flag and intrinsics
* Backport of [ARMv8-M] [AArch32] ARMv8-M Security Extension's
cmse_nonsecure_call: use __gnu_cmse_nonsecure_call
* Backport of [ARMv8-M] [AArch32] ARMv8-M Security Extension's
cmse_nonsecure_entry: __acle_se label and bxns return
* Backport of [ARMv8-M] [AArch32] ARMv8-M Security Extension's
cmse_nonsecure_entry: clear registers
* Backport of [ARMv8-M] [AArch32] Fix various arm failures with config-list.mk
* Backport of [ARMv8-M] [AArch32] Force soft float in ARMv6-M and
ARMv8-M Baseline options
* Backport of [ARMv8-M] [AArch32] Handling ARMv8-M Security
Extension's cmse_nonsecure_call attribute
* Backport of [ARMv8-M] [AArch32] Handling ARMv8-M Security
Extension's cmse_nonsecure_entry attribute
* Backport of [ARMv8-M] [AArch32] Make arm_feature_set agree with type
of FL_* macros
* Backport of [ARMv8-M] [AArch32] Optional -mthumb for Thumb only targets
* Backport of [AArch64] 1/3 Add missing Poly64_t intrinsics to GCC
* Backport of [AArch64] 2/3 Add missing Poly64_t intrinsics to GCC
* Backport of [AArch64] 3/3 Add tests for missing Poly64_t intrinsics to GCC
* Backport of [AArch64] Add more Poly64_t intrinsics to GCC
* Backport of [AArch64] more poly64 intrinsics
* Backport of [Testsuite] [AArch64] Fix failing poly64 tests on ARM
* Backport of [Testsuite] [AArch64] Lower iterator count on
gcc.dg/atomic/c11-atomic-exec-5.c for AARCH64
* Backport of [Cleanup] Improve comment for struct symbolic_number in bswap pass

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[1]. Source package snapshots are defined when the compiler is only
put through unit-testing and full validation is not performed.

[2]. Stable source package releases are defined as releases where the
full Linaro Toolchain validation plan is executed.