Linaro Snapshots

The Linaro Toolchain Working Group (TCWG) is pleased to announce the 2016.10 snapshot of the Linaro GCC 6 source package.

This monthly snapshot¹ is based on FSF GCC 6.2+svn241214 and includes performance improvements and bug fixes backported from mainline GCC. This snapshot contents will be part of the 2016.11 stable² quarterly release.

Interesting changes in this GCC source package snapshot include:

• Updates to GCC 6.2+svn241214
• Backport of [Bugfix] PR libgcc/77519: Correct libgcc complex multiply excess precision handling
• Backport of [Bugfix] PR target/63250: Enable HCmode multiply and divide (mulhc3/divhc3)
• Backport of [AArch32/AArch64] Add qdf24xx base tuning support
• Backport of [AArch32] [ARMv8.2] 1/17 Add ARMv8.2-A command line option and profile
• Backport of [AArch32] [ARMv8.2] 2/17 [testsuite] Add a selector for ARM FP16 alternative format support.
• Backport of [AArch32] [ARMv8.2] 3/17 [testsuite] Add ARM support for ARMv8.2-A with FP16 arithmetic instructions
• Backport of [AArch32] [ARMv8.2] 4/17 Define feature macros for FP16
• Backport of [AArch32] [ARMv8.2] 5/17 Enable HI mode moves for floating point values
• Backport of [AArch32] [ARMv8.2] 6/17 Add data processing intrinsics for float16_t
• Backport of [AArch32] [ARMv8.2] 7/17 Add FP16 data movement instructions
• Backport of [AArch32] [ARMv8.2] 8/17 Add VFP FP16 arithmetic instructions
• Backport of [AArch32] [ARMv8.2] 9/17 Add NEON FP16 arithmetic instructions
• Backport of [AArch32] [ARMv8.2] 10/17 Refactor support code for NEON builtins
• Backport of [AArch32] [ARMv8.2] 11/17 Add builtins for VFP FP16 intrinsics
• Backport of [AArch32] [ARMv8.2] 12/17 Add builtins for NEON FP16 intrinsics
• Backport of [AArch32] [ARMv8.2] 13/17 Add VFP FP16 instrinsics
• Backport of [AArch32] [ARMv8.2] 14/17 Add NEON FP16 instrinsics
• Backport of [AArch32] [ARMv8.2] 15/17 Add tests for ARMv8.2-A FP16 support
• Backport of [AArch32] [ARMv8.2] 16/17 Add tests for VFP FP16 ACLE instrinsics
• Backport of [AArch32] [ARMv8.2] 17/17 Add tests for NEON FP16 ACLE intrinsics
• Backport of [AArch32] [ARMv8.2] Delete one redundant word in target-supports.exp comment
• Backport of [AArch32] [ARMv8.2] Enable mov[hsd]i_movw tests on ARM and big endian
• Backport of [AArch32] [ARMv8.2] Fix invalid instructions generated for data movement.
• Backport of [AArch32] [ARMv8.2] Fix invalid instructions generated for data movement.
• Backport of [AArch32] [ARMv8.2] Fix new constraints and attributes of SI/HI data movement patterns
• Backport of [AArch32] [ARMv8-M] Add support for ARMv8-M
• Backport of [AArch32] [ARMv8-M] Add support for CB(N)Z and (U|S)DIV to ARMv8-M Baseline
• Backport of [AArch32] [ARMv8-M] Add support for MOVT/MOVW to ARMv8-M Baseline
• Backport of [AArch32] [ARMv8-M] Check CLZ availability with ISA support and architecture level macros
• Backport of [AArch32] [ARMv8-M] Enable atomics for ARMv8-M Mainline
• Backport of [AArch32] [ARMv8-M] Factor out MOVW/MOVT availability and desirability checks
• Backport of [AArch32] [ARMv8-M] Fix indentation of FL_FOR_ARCH* definition after adding support for ARMv8-M
• Backport of [AArch32] [ARMv8-M] Fix pr42574.c selector syntax error
• Backport of [AArch32] [ARMv8-M] Fix Thumb-1 only ARMv6-M & Thumb-2 only ARMv7-M assumptions
• Backport of [AArch32] Fix RTL checking failure in Thumb mode
• Backport of [AArch64] Add artificial attribute to Aarch64 NEON intrinsics
• Backport of [AArch64] Add missing attributes to arm_neon.h
• Backport of [AArch64] Add more NEON intrinsics vmaxnm_f64, vminnm_f64, vmax_f64, vmin_f64
• Backport of [AArch64] Add tunning of ldpw for THunderX
• Backport of [AArch64] Fix __builtin_aarch64_fmindf
• Backport of [AArch64] [ARMv8.2] 1/4 ARMv8.2-A FP16 testsuite selector
• Backport of [AArch64] [ARMv8.2] 2/4 ARMv8.2-A testsuite for new data movement intrinsics
• Backport of [AArch64] [ARMv8.2] 3/4 ARMv8.2-A testsuite for new vector intrinsics
• Backport of [AArch64] [ARMv8.2] 4/4 ARMv8.2-A testsuite for new scalar intrinsics
• Backport of [Misc] Allow simple register subregs in noce_convert_multiple_sets
• Backport of [Misc] Fix native_encode_real for HFmode constants
• Backport of [Misc] Modify extend_mask to extend bits based on signop
• Backport of [Testsuite] [AArch32] Fix prototype in vst1Q_laneu64-1.c
• Backport of [Testsuite] [AArch32] neon-testgen.ml removal
• Backport of [Cleanup] Fix typo in comment in tree-ssa-strlen.c

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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.