Linaro Snapshots

The Linaro Toolchain Working Group (TCWG) is pleased to announce the 2016.11-rc2 stable Release-Candidate of the Linaro GCC 6 source package.

This stable¹ Release-Candidate is based on FSF GCC 6.2.1+svn241214 and includes performance improvements and bug fixes backported from mainline GCC. This Release-Candidate is based on Linaro Snapshot GCC 6.2-2016.11-rc1.

Changes in this stable GCC source package Release-Candidate include:

• Updates merged from FSF GCC 6.2.1+svn241214
• Backport of [Testsuite] [AArch32] Enable atomic tests in gcc.dg for -march=armv8-a bare metal
• Backport of Allow simple register subregs in noce_convert_multiple_sets
• Backport of [AArch32/AArch64] Add qdf24xx base tuning support
• Backport of [Testsuite] [AArch32] neon-testgen.ml removal
• Backport of [Testsuite] [AArch32] Fix prototype in vst1Q_laneu64-1.c
• Backport of [ARMv8-M] [AArch32] Fix Thumb-1 only ARMv6-M & Thumb-2 only ARMv7-M assumptions
• Backport of [ARMv8-M] [AArch32] Check CLZ availability with ISA support and architecture level macros
• Backport of [ARMv8-M] [AArch32] Add support for ARMv8-M
• Backport of [ARMv8-M] [AArch32] Fix indentation of FL_FOR_ARCH* definition after adding support for ARMv8-M
• Backport of [ARMv8-M] [AArch32] Factor out MOVW/MOVT availability and desirability checks
• Backport of [ARMv8-M] [AArch32] Add support for MOVT/MOVW to ARMv8-M Baseline
• Backport of [ARMv8-M] [AArch32] Add support for CB(N)Z and (U|S)DIV to ARMv8-M Baseline
• Backport of [ARMv8-M] [AArch32] Fix pr42574.c selector syntax error
• Backport of [ARMv8-M] [AArch32] Enable atomics for ARMv8-M Mainline
• Backport of [Cleanup] Fix typo in comment in tree-ssa-strlen.c
• Backport of [AArch64] Add more AArch64 NEON intrinsics vmaxnm_f64, vminnm_f64, vmax_f64, vmin_f64
• Backport of [AArch64] Fix __builtin_aarch64_fmindf
• Backport of Modify extend_mask to extend bits based on signop
• Backport of [AArch32] Fix RTL checking failure in Thumb mode
• Backport of [Bugfix] PR libgcc/77519 Correct libgcc complex multiply excess precision handling
• Backport of Enable HCmode multiply and divide (mulhc3/divhc3)
• Backport of [AArch64] Add tunning of ldpw for THunderX
• Backport of [AArch64] Add artificial attribute to Aarch64 NEON intrinsics
• Backport of [AArch64] Add missing attributes to arm_neon.h
• Backport of [ARMv8.2] [AArch32] 1/17 Add ARMv8.2-A command line option and profile
• Backport of [ARMv8.2] [AArch32] 2/17 [testsuite] Add a selector for ARM FP16 alternative format support.
• Backport of [ARMv8.2] [AArch32] 3/17 [testsuite] Add ARM support for ARMv8.2-A with FP16 arithmetic instructions
• Backport of [ARMv8.2] [AArch32] 4/17 Define feature macros for FP16
• Backport of [ARMv8.2] [AArch32] 5/17 Enable HI mode moves for floating point values
• Backport of [ARMv8.2] [AArch32] 6/17 Add data processing intrinsics for float16_t
• Backport of [ARMv8.2] [AArch32] 7/17 Add FP16 data movement instructions
• Backport of [ARMv8.2] [AArch32] 8/17 Add VFP FP16 arithmetic instructions
• Backport of [ARMv8.2] [AArch32] 9/17 Add NEON FP16 arithmetic instructions
• Backport of [ARMv8.2] [AArch32] 10/17 Refactor support code for NEON builtins
• Backport of [ARMv8.2] [AArch32] 11/17 Add builtins for VFP FP16 intrinsics
• Backport of [ARMv8.2] [AArch32] 12/17 Add builtins for NEON FP16 intrinsics
• Backport of [ARMv8.2] [AArch32] 13/17 Add VFP FP16 instrinsics
• Backport of [ARMv8.2] [AArch32] 14/17 Add NEON FP16 instrinsics
• Backport of [ARMv8.2] [AArch32] 15/17 Add tests for ARMv8.2-A FP16 support
• Backport of [ARMv8.2] [AArch32] 16/17 Add tests for VFP FP16 ACLE instrinsics
• Backport of [ARMv8.2] [AArch32] 17/17 Add tests for NEON FP16 ACLE intrinsics
• Backport of [ARMv8.2] [AArch32] Fix invalid instructions generated for data movement.
• Backport of [ARMv8.2] [AArch32] Fix invalid instructions generated for data movement.
• Backport of [ARMv8.2] [AArch32] Delete one redundant word in target-supports.exp comment
• Backport of [ARMv8.2] [AArch32] Fix new constraints and attributes of SI/HI data movement patterns
• Backport of Fix native_encode_real for HFmode constants
• Backport of [ARMv8.2] [AArch64] 1/4 ARMv8.2-A FP16 testsuite selector
• Backport of [ARMv8.2] 2/4 ARMv8.2-A testsuite for new data movement intrinsics
• Backport of [ARMv8.2] [AArch64] 3/4 ARMv8.2-A testsuite for new vector intrinsics
• Backport of [ARMv8.2] [AArch64] 4/4 ARMv8.2-A testsuite for new scalar intrinsics
• Backport of [ARMv8.2] [AArch32] Enable mov[hsd]i_movw tests on ARM and big endian

Feedback and Support

Subscribe to the important Linaro mailing lists and join our IRC channels to stay on top of Linaro development.

• Linaro Toolchain Development mailing list
• Linaro Toolchain IRC channel on irc.freenode.net at #linaro-tcwg

• Bug reports should be filed in Linaro’s bugzilla: http://bugs.linaro.org
• Questions? ask Linaro
• For Linaro member support see http://support.linaro.org

——

¹ Linaro ‘stable’ source archive releases are Linaro packaged versions of the latest FSF GCC release. The Linaro ‘maintenance’ source archive releases are Linaro packaged versions of the previous year’s FSF GCC release.