Linaro Snapshots

The Linaro Toolchain Working Group (TCWG) is pleased to announce the 2015.10 snapshot of the Linaro GCC 5 source package.

This monthly snapshot¹ is based on FSF GCC 5.2+svn228499 and includes performance improvements and bug fixes backported from mainline GCC. This snapshot contents will be part of the 2015.11 stable [1] quarterly release.

Interesting changes in this GCC source package snapshot include:

• Updates to GCC 5.2+svn228499
• Backport of [Bugfix] [AArch32] Fix PR target/29693
• Backport of [Bugfix] [AArch32] PR 52144 Fix ARM/thumb attribute target
• Backport of [Bugfix] [AArch32] PR 52144 Fix ARM/thumb attribute target
• Backport of [Bugfix] [AArch32] PR/63870 Add a __builtin_lane_check
• Backport of [Bugfix] [AArch32] PR/63870 Add qualifier to check lane bounds in expand
• Backport of [Bugfix] [AArch32] PR 66541, 52144 Fix ARM/thumb pragma target
• Backport of [Bugfix] [AArch32] PR middle-end 64744/48470/43404
• Backport of [Bugfix] [AArch32] PR target/52144 attribute target (thumb,arm) [2.2/6]
• Backport of [Bugfix] [AArch32] PR target/52144 target attributes Clean up arm_option_params_internals macro settings for attribute/pragma targets
• Backport of [Bugfix] [AArch32] PR target/65768
• Backport of [Bugfix] [AArch64] PR63870 Neon error messages for vldN_lane/vstN_lane
• Backport of [Bugfix] Fix PR66168
• Backport of [Bugfix] Fix PR67280 and Linaro BZ #1765
• Backport of [Bugfix] PR c/49551
• Backport of [Bugfix] PR middle-end/64130
• Backport of [Bugfix] PR middle-end/66726
• Backport of [Bugfix] PR target/65768 Check cost of constants before propagating
• Backport of [Bugfix] PR tree-optimization/67043
• Backport of [AArch32] 1-ARM/Thumb target attributes
• Backport of [AArch32] 2-ARM/Thumb target attributes
• Backport of [AArch32] 3-ARM/Thumb target attributes
• Backport of [AArch32] Add ARM/thumb attribute target
• Backport of [AArch32] Add ARM/thumb pragma target
• Backport of [AArch32] Add TARGET_OPTION_PRINT
• Backport of [AArch32] attribute target (thumb,arm) [2.1/6]
• Backport of [AArch32] Correct spelling of references to ARMv6KZ
• Backport of [AArch32] Fix ChangeLog
• Backport of [AArch32] fix date
• Backport of [AArch32] Fix static interworking call
• Backport of [AArch32] Fix thinko in use of TARGET_UNIFIED_ASM
• Backport of [AArch32] Fuseable is not a word -> s/fuseable/fusible/g
• Backport of [AArch32] Rename LOGICAL_OP_NON_SC to LOGICAL_OP_NON_SHORT_CIRCUIT
• Backport of [AArch32] Restrict MAX_CONDITIONAL_EXECUTE when -mrestrict-it is in place
• Backport of [AArch32] Use dmb ish instead of dmb sy for ARM
• Backport of [AArch64] 1/3 ARMv8.1 Use atomic compare-and-swap instructions when available
• Backport of [AArch64] ¼ Define candidates for instruction fusion in a .def file
• Backport of [AArch64] 1/5 Use atomic instructions for swap and fetch-update operations
• Backport of [AArch64] 2/3 ARMv8.1 Use the atomic compare-and-swap instructions when available
• Backport of [AArch64] [2/4] Control the FMA steering pass in tuning structures rather than as core property
• Backport of [AArch64] 2/5 Make BIC, other logical instructions, available
• Backport of [AArch64] 3/3 ARMv8.1 Use the atomic compare-and-swap instructions when available
• Backport of [AArch64] ¾ De-const-ify struct tune_params
• Backport of [AArch64] 3/5 Add atomic load-operate instructions
• Backport of [AArch64] [4/4] Add -moverride tuning command, and wire it up for control of fusion and fma-steering
• Backport of [AArch64] 4/5 Use atomic load-operate instructions for fetch-update patterns
• Backport of [AArch64] 5/5 Use atomic load-operate instructions for update-fetch patterns
• Backport of [AArch64] Add ACLE predefined marcos: __ARM_ALIGN_MAX_PWR and __ARM_ALIGN_MAX_STACK_PWR
• Backport of [AArch64] Add support for ARMv8.1 command line options
• Backport of [AArch64] Always register fma_steering pass but gate it on the target option instead
• Backport of [AArch64] [armv8.1] Expand +rdma documentation, small changes to march and mcpu text
• Backport of [AArch64] —with-arch in config.gcc support “.”
• Backport of [AArch64] Change %ld to %wd for HOST_WIDE_INT parameter
• Backport of [AArch64] Fix another ICE with -mgeneral-regs-only
• Backport of [AArch64] Fix ICES with -mgeneral-regs-only / -march=…+nofp
• Backport of [AArch64] fix regrename pass to ensure renamings produce valid insns
• Backport of [AArch64] Fix type of *one_cmpl3 pattern
• Backport of [AArch64] Fuseable is not a word -> s/fuseable/fusible/g
• Backport of [AArch64] Improve spill code – swap order in shl pattern
• Backport of [AArch64] Improve spill code – swap order in shr patterns
• Backport of [AArch64] movi type attribute confusion
• Backport of [AArch64] Removed unused SLOWMUL target flags
• Backport of [AArch64] typo fix in attribute for vst2_lane
• Backport of [AArch64] Use conditional negate for abs
• Backport of [Testsuite] [AArch32] Add -mfloat-abi=softfp to some xscale tests
• Backport of [Testsuite] [AArch32] Disable attr_thumb.c test when Thumb mode is not supported
• Backport of [Testsuite] [AArch32] Do not override -mcpu in no-volatile-in-it.c
• Backport of [Testsuite] [AArch32] Fix gcc.target/arm/attr_thumb.c
• Backport of [Testsuite] [AArch32] Fix gcc.target/arm/thumb_ifcvt.c
• Backport of [Testsuite] [AArch32] gcc.target/arm/pr65647.c should not add -mfloat-abi=soft
• Backport of [Testsuite] [AArch32] target attribute cleanup directives
• Backport of [Testsuite] [AArch64] Testsuite check for sqrt_insn
• Backport of [Testsuite] [AArch64] vld1-vst1_1.c: Add missing float32×4_t case
• Backport of [Testsuite] AdvSIMD intrinsics tests cleanup: remove useless expected values
• Backport of [Testsuite] Don’t specify “dg-do run” explicitly for vect test cases
• Backport of [Testsuite] gcc.target/arm/neon-reload-class.c: Remove movw and movt
• Backport of [Testsuite] g++.dg/ext/pr57735.C should not run if the testsuite is explicitly passing -mfloat-abi=hard
• Backport of [Testsuite] New AdvSIMD test
• Backport of [Testsuite] New AdvSIMD test
• Backport of [Testsuite] New AdvSIMD test
• Backport of [Testsuite] New AdvSIMD test
• Backport of [Testsuite] New AdvSIMD test
• Backport of [Testsuite] New AdvSIMD test
• Backport of [Testsuite] New AdvSIMD test
• Backport of [Testsuite] New AdvSIMD test
• Backport of [Testsuite] New AdvSIMD test
• Backport of [Testsuite] New AdvSIMD test
• Backport of [Testsuite] New AdvSIMD test
• Backport of [Testsuite] New AdvSIMD test
• Backport of [Testsuite] New AdvSIMD test
• Backport of [Testsuite] New AdvSIMD test
• Backport of [Testsuite] New AdvSIMD test
• Backport of [Testsuite] New AdvSIMD test
• Backport of [Testsuite] New AdvSIMD test
• Backport of [Testsuite] New AdvSIMD test
• Backport of [Testsuite] New AdvSIMD test
• Backport of [Testsuite] New AdvSIMD test
• Backport of [Testsuite] New AdvSIMD test
• Backport of [Testsuite] Skip tests for inappropriate multilibs
• Backport of [Misc] [1] Allow REG_EQUAL for ZERO_EXTRACT
• Backport of [Misc] Set REG_EQUAL
• Backport of [Misc] [2] Allow REG_EQUAL for ZERO_EXTRACT
• Backport of [Misc] Fix ChangeLog
• Backport of [Misc] fix segfault in verify_flow_info() with -dx option
• Backport of [Misc] fix typo
• Backport of [Misc] Fix typo: Rename insn_reservation cortex_53_advsimd to cortex_a53_advsimd
• Backport of [Misc] Fuseable is not a word -> s/fuseable/fusible/g
• Backport of [Misc] [ifcvt Fix typo in comment
• Backport of [Misc] [match-and-simplify] fix incorrect code-gen in ‘for’ pattern
• Backport of [Misc] [match-and-simplify] reject expanding operator-list to implicit ‘for’
• Backport of [Misc] [match-and-simplify] report error for invalid operator-lists
• Backport of [Misc] [simplify-rtx][2/2] Simplify – (y ? -x : x) -> (!y ? -x : x)
• Backport of [Misc] The comparison in a compare exchange should not take place in VOIDmode
• Backport of [Misc] Use cinc mnemonic for *csinc2_insn
• Backport of [Misc] warn for empty struct -Wc++-compat
• Backport of [Misc] [Driver] Wrong C++ paths when configuring with “—with-sysroot=/”
• Backport of [Misc] [combine]½ Try to simplify before substituting
• Backport of [Doc] [AArch64] Clarify feature modifiers {no,}{fp,simd,crypto}
• Backport of [Doc] [AArch64] Fix position of -moverride documentation
• Backport of [Doc] move (Variable Attributes, Type Attributes) up

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¹ Stable source package releases are defined as releases where the full Linaro Toolchain validation plan is executed.

² Source package snapshots are defined when the compiler is only put through unit-testing and full validation is not performed.