Linaro Snapshots

The Linaro Toolchain Working Group (TCWG) is pleased to announce the 2016.06 snapshot of the Linaro GCC 6 source package.

This monthly snapshot¹ is based on FSF GCC 6.1+svn237469 and includes performance improvements and bug fixes backported from mainline GCC. This snapshot contents will be part of the 2016.08 stable² quarterly release.

Interesting changes in this GCC source package snapshot include:

• Updates to GCC 6.1+svn237469
• Backport of [Bugfix] [AArch32] PR target/69857 Remove bogus early return false; in gen_operands_ldrd_strd
• Backport of [AArch32] Add mode to probe_stack set operands
• Backport of [AArch32] arm/ieee754-df.S: Fix typos in comments
• Backport of [AArch32] Do not set ARM_ARCH_ISA_THUMB for armv5
• Backport of [AArch32] Error out for incompatible ARM multilibs
• Backport of [AArch32] Fix costing of sign-extending load in rtx costs
• Backport of [AArch32] Tie operand 1 to operand 0 in AESMC pattern when fusing AES/AESMC
• Backport of [AArch32] Use proper output modifier for DImode register in store exclusive patterns
• Backport of [AArch64] 1/4 Add the missing support of vfms_n_f32, vfmsq_n_f32, vfmsq_n_f64
• Backport of [AArch64] 2/4 Extend vector mutiply by element to all supported modes
• Backport of [AArch64] 3/4 Reimplement multiply by element to get rid of inline assembly
• Backport of [AArch64] 4/4 Reimplement vmvn* intrinscis, remove inline assembly
• Backport of [AArch64] Adjust SIMD integer preference
• Backport of [AArch64] Delete ASM_OUTPUT_DEF and fallback to default .set directive
• Backport of [AArch64] Don’t define a macro when a variable will do
• Backport of [AArch64] Fix shift attributes
• Backport of [AArch64] Improve aarch64_case_values_threshold setting
• Backport of [AArch64] print_operand should not fallthrough from register operand into generic operand
• Backport of [AArch64] Remove aarch64_simd_attr_length_move
• Backport of [AArch64] Set TARGET_OMIT_STRUCT_RETURN_REG to true
• Backport of [AArch64] Simplify ashl3 expander for SHORT modes
• Backport of [AArch64] Simplify reduc_plus_scal_v2[sd]f sequence
• Backport of [AArch64] Tie operand 1 to operand 0 in AESMC pattern when AES/AESMC fusion is enabled
• Backport of [AArch64] Update documentation of AArch64 options for GCC6
• Backport of [AArch64] Wrap SHIFT_COUNT_TRUNCATED in brackets
• Backport of [Testsuite] [AArch32] 01/11 Fix typo in vreinterpret.c test comment
• Backport of [Testsuite] [AArch32] 02/11 Remove useless #ifdefs from these tests: vmul, vshl and vtst
• Backport of [Testsuite] [AArch32] 03/11 AdvSIMD tests: be more verbose
• Backport of [Testsuite] [AArch32] 04/11 Add forgotten vsliq_n_u64 vsliq_n_s64 tests
• Backport of [Testsuite] [AArch32] 05/11 Add missing vreinterpretq_p{8,16} tests
• Backport of [Testsuite] [AArch32] 06/11 Add missing vtst_p16 and vtstq_p16, and vtst_p{8,16} and vtstq_p{8,16} tests
• Backport of [Testsuite] [AArch32] 07/11 Add vget_lane fp16 tests
• Backport of [Testsuite] [AArch32] 08/11 Add missing vstX_lane fp16 tests
• Backport of [Testsuite] [AArch32] 09/11 Add missing vrnd{,a,m,n,p,x} tests
• Backport of [Testsuite] [AArch32] 10/11 Add missing tests for intrinsics operating on poly64 and poly128 types
• Backport of [Testsuite] [AArch32] 11/11 Add missing tests for vreinterpret, operating of fp16 type
• Backport of [Testsuite] [AArch64] Fix vmul_elem_1.c on big-endian
• Backport of [Testsuite] [AArch64] Guard float64_t with aarch64
• Backport of [Testsuite] [AArch64] Skip cpu-diagnostics tests when overriding -mcpu
• Backport of [Testsuite] gcc-dg: handle all return values when shouldfail is set
• Backport of [Testsuite] PR70227, skip g++.dg/lto/pr69589_0.C on targets without -rdynamic support
• Backport of [Testsuite] PR tree-optimization/57206
• Backport of [Testsuite] Skip tail call tests on Thumb-1 targets
• Backport of [Misc] Increase default value of lto-min-partition to 10000
• Backport of [Misc] introduce —param max-lto-partition for having an upper bound on partition size
• Backport of [Cleanup] [AArch32] Fix typos in *thumb1_mulsi3 comment
• Backport of [Cleanup] [AArch32] Remove unused TARGET_ARM_V*M macros
• Backport of [Cleanup] [AArch64] Delete obsolete CC_ZESWP and CC_SESWP CC modes
• Backport of [Cleanup] [AArch64] Remove an unused reload hook
• Backport of [Cleanup] Convert conditional compilation on WORD_REGISTER_OPERATIONS
• Backport of [Cleanup] Remove spurious debug code
• Backport of [Cleanup] Move wrong ChangeLog entry from toplevel to gcc ChangeLog
• Backport of [Doc] Fix minor doc bugs, signalling typo, major version changes rare

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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.