[ANNOUNCE] Linaro GCC 6 2017.03 snapshots

[Yvan Roux]

The Linaro Toolchain Working Group (TCWG) is pleased to announce the
2017.03 snapshot of the Linaro GCC 6 source package.

This monthly snapshot[1] is based on FSF GCC 6.3+svn246148 and
includes performance improvements and bug fixes backported from
mainline GCC. This snapshot contents will be part of the 2017.05
stable[2] quarterly release.

This snapshot tarball is available on:
http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.3-2017.03/

Interesting changes in this GCC source package snapshot include:

* Updates to GCC 6.3+svn246148
* Backport of [Bugfix] [AArch64] PR target/71112 ICE with -fpie on
aarch64 ILP32 big-endian
* Backport of [Bugfix] [AArch64] PR target/71727 -O3 -mstrict-align
produces code which assumes unaligned vector accesses work
* Backport of [Bugfix] [AArch64] PR target/78382 ICE when compiling on
aarch64 in ILP32 mode with traditional thread local storage and pic
* Backport of [AArch32] Add vfpv2 and neon-vfpv3
* Backport of [AArch32] Fix assembly comment syntax in -mprint-tune-info
* Backport of [AArch64] Add commandline support for -march=armv8.3-a
* Backport of [AArch64] Expand DImode constant stores to two SImode
stores when profitable
* Backport of [AArch64] Fix aarch64 PGO bootstrap
* Backport of [AArch64] Fix exception handling for ILP32 aarch64
* Backport of [AArch64] Have the verbose cost model output output be
controllable
* Backport of [AArch64] Implement popcount pattern
* Backport of [AArch64] Optimized implementation of search_line_fast
for the CPP lexer
* Backport of [AArch64] Use new target pass registration framework for
FMA steering pass
* Backport of [Testsuite] [AArch32] Add Cortex-A15 tuning to
gcc.dg/uninit-pred-8_a.c
* Backport of [Testsuite] [AArch32] Skip optional_mthumb tests if GCC
has a default mode
* Backport of [Testsuite] [AArch32] Updating testcase unsigned-extend-2.c
* Backport of [Testsuite] [AArch64] Fix
gcc.dg/torture/float32-builtin.c with RTL checking
* Backport of [Testsuite] [AArch64] PR middle-end/78142 more registers
to be used for on gcc.target/aarch64/vector_initialization_nostack.c
* Backport of [Cleanup] [AArch32] Define arm_arch_core_flags in a single file
* Backport of [Cleanup] [AArch32] Remove unimplemented option -macps-float

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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.