linaro-toolchain

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[ACTIVITY] 14-18 March 2016

by kugan

== Progress == * LTO (3/10) - Read VRP algorithms * Type promotion pass (2/10) - Rebased and testing - Looking at fixing uninitilazed warning false positives * Misc (1/10) - GCC Lists - Extended validation * Public holiday (2/10) * Connect travel/recovery (2/10) == Plan == * Type promotion pass benchmarking * Perf with LTO * VRP

9 years, 6 months

[ANNOUNCE] Linaro Binary Toolchain Release GCC 5.3-2016.02 [Corrected Links]

by Ryan Arnold

The Linaro Binary Toolchain ============================ The Linaro GCC 5.3-2016.02 Release is now available. Notice: All Linaro GCC 5 series toolchain users should migrate to the latest version of the Linaro GCC 5 toolchain in order to mitigate potential security exposure to CVE-2015-7545. See the NEWS section below for details. Download release packages from: http://releases.linaro.org/components/toolchain/gcc-linaro/5.3-2016.02/ http://releases.linaro.org/components/toolchain/binaries/5.3-2016.02/ Previous snapshots and release-candidates are at: http://snapshots.linaro.org/components/toolchain/binaries/ Previous releases are at: http://releases.linaro.org/components/toolchain/binaries/ Host Requirements ================== Linaro officially supports the current and previous Ubuntu LTS releases (as of the time of this release). This does not mean that the toolchain will not work on other/older Linux distributions. See the following for the life-time of Ubuntu LTS releases. https://wiki.ubuntu.com/Releases The host system upon which the cross-compiler will run requires a minimum of glibc 2.14, because of API changes to glibc's memcpy API. https://bugs.linaro.org/show_bug.cgi?id=1869 Package Versions ================= Linaro GCC 5.3-2016.02 FSF glibc 2.21 (release/2.21) Linaro newlib 2.1.0-2014.09 (linaro_newlib-branch) Linaro binutils 2.25 (linaro_binutils-2_25-branch) FSF GDB 7.10 (gdb-7.10-branch) Linaro toolchain package git branches are hosted at: http://git.linaro.org/?a=project_list&s=toolchain%2F&btnS=Search NEWS for Linaro GCC 5.3-2016.02 ================================ * Applied fix for CVE-2015-7545 - A stack-based buffer overflow in glibc's getaddrinfo() was corrected in glibc 2.23 and backported into glibc 2.21. https://sourceware.org/ml/libc-alpha/2016-02/msg00416.html * ARMv8.1 Instruction Support - ARMv8.1 instructions support was checked into GCC and binutils. It has been backported into Linaro GCC 5.3 and Linaro binutils 2.25. * Backported -Bsymbolic-functions into Linaro binutils 2.25. * Performance related backports from Linaro GCC 5.2-2015.11, Linaro GCC 5.2-2015.12, and Linaro GCC 5.3-2016.01-1 have been included. See the following Linaro GCC snapshots: http://snapshots.linaro.org/components/toolchain/gcc-linaro/5.2-2015.11/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/5.3-2015.12/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/5.3-2016.01-1/ Contact Linaro =============== File bugs at http://bugs.linaro.org For Linaro member support see http://support.linaro.org For Linaro community support email linaro-toolchain(a)lists.linaro.org

9 years, 6 months

[ANNOUNCE] Linaro Binary Toolchain Release GCC 5.3-2016.02

by Ryan Arnold

The Linaro Binary Toolchain ============================ The Linaro GCC 5.3-2016.02 Release is now available. Notice: All Linaro GCC 5 series toolchain users should migrate to the latest version of the Linaro GCC 5 toolchain in order to mitigate potential security exposure to CVE-2015-7545. See the NEWS section below for details. Download release packages from: http://snapshots.linaro.org/components/toolchain/gcc-linaro/5.3-2016.02/ http://snapshots.linaro.org/components/toolchain/binaries/5.3-2016.02/ Previous snapshots and release-candidates are at: http://snapshots.linaro.org/components/toolchain/binaries/ Previous releases are at: http://releases.linaro.org/components/toolchain/binaries/ Host Requirements ================== Linaro officially supports the current and previous Ubuntu LTS releases (as of the time of this release). This does not mean that the toolchain will not work on other/older Linux distributions. See the following for the life-time of Ubuntu LTS releases. https://wiki.ubuntu.com/Releases The host system upon which the cross-compiler will run requires a minimum of glibc 2.14, because of API changes to glibc's memcpy API. https://bugs.linaro.org/show_bug.cgi?id=1869 Package Versions ================= Linaro GCC 5.3-2016.02 FSF glibc 2.21 (release/2.21) Linaro newlib 2.1.0-2014.09 (linaro_newlib-branch) Linaro binutils 2.25 (linaro_binutils-2_25-branch) FSF GDB 7.10 (gdb-7.10-branch) Linaro toolchain package git branches are hosted at: http://git.linaro.org/?a=project_list&s=toolchain%2F&btnS=Search NEWS for Linaro GCC 5.3-2016.02 ================================ * Applied fix for CVE-2015-7545 - A stack-based buffer overflow in glibc's getaddrinfo() was corrected in glibc 2.23 and backported into glibc 2.21. https://sourceware.org/ml/libc-alpha/2016-02/msg00416.html * ARMv8.1 Instruction Support - ARMv8.1 instructions support was checked into GCC and binutils. It has been backported into Linaro GCC 5.3 and Linaro binutils 2.25. * Backported -Bsymbolic-functions into Linaro binutils 2.25. * Performance related backports from Linaro GCC 5.2-2015.11, Linaro GCC 5.2-2015.12, and Linaro GCC 5.3-2016.01-1 have been included. See the following Linaro GCC snapshots: http://snapshots.linaro.org/components/toolchain/gcc-linaro/5.2-2015.11/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/5.3-2015.12/ http://snapshots.linaro.org/components/toolchain/gcc-linaro/5.3-2016.01-1/ Contact Linaro =============== File bugs at http://bugs.linaro.org For Linaro member support see http://support.linaro.org For Linaro community support email linaro-toolchain(a)lists.linaro.org -- Ryan S. Arnold Linaro Toolchain Working Group - Engineering Manager www.linaro.org

9 years, 6 months

[ACTIVITY] 14-18 March 2016

by Christophe Lyon

== Progress == * Validation - extended validation: submitted ABE patch for discussion - noticed random results on some tests in the Cambridge lab. maybe caused by excessive load on the tester, or stdout/stderr problems - investigating how to actually separate stdout/stderr streams in dejagnu * GCC: - branch merge review for 2016.03 snapshot - AdvSIMD/Neon intrinsics tests: more cleanup, wondering about poly128_t prototypes * Misc (conf calls, meetings, emails, ....) == Next == * Validation: - more on extended validation - random tests investigation - more on stdout/stderr * GCC: - trunk monitoring, report regressions if needed - intrinsics tests cleanup

9 years, 6 months

[ACTIVITY] 14-18 March 2016

by Prathamesh Kulkarni

== This Week == * LTO (3/10) a) section anchors: - prototype patch to bind functions to global vars - looked at balanced partitioning b) chromium LTO build fails with ICE on trunk for arm-linux-gnueabihf: http://pastebin.com/sX6yKLBP c) ipa-comdat - Looked at the pass. - trying to address TODO: put symbol in it's own comdat section * Validation (1/10) - prototype job in bash. * Holidays (6/10) == Next Week == Continue ongoing tasks

9 years, 6 months

[ACTIVITY] Week 11

by Yvan Roux

== Progress == o 2016.03 Snapshot (2/10) * Reviewed pending backports * Merged FSF GCC 5 branch * Released 2016.03 snapshot o Extended validation (2/10) * Native validation deployed * Testing/Fixing Native Trigger job o GCC dev. (3/10) * Remote validation sanitizing: - continued discussion on output pattern - discuss I/O conflict patch with Rob, preparing a new patch * Bug #2125 - asm inline support * ARMv8.1 __sync builtins fix: on-going o Misc (3/10) * Various meetings == Plan == o Extended validation, DejaGNU patches, GCC ARMv8.1 builtins fix

9 years, 6 months

[ACTIVITY] Monday 14th - Friday 18th March

by Bernie Ogden

Port to microinstance - TCWG-432 [5/10] * Non-lab side of minimal trust benchmarking * More investigation of runtime anomalies * Reordered builder phases to do useful work while waiting for targets * Updated everything to work with benchmarking LAVA user (rather than running as me) Automated backport benchmarking - TCWG-352 [2/10] * Cycles of review/development/testing Controlled image builds - TCWG-360 [1/10] * More failures to get image to boot on Juno Log critical data - TCWG-349 [1/10] * Everything now logged, except where it depends on TCWG-360 Misc - [1/10] =Plan= Finish non-lab side of minimal trust benchmarking Commit backport benchmarking, review permitting Tweak microinstance in reaction to lab work More Juno image work More runtime anomaly work =Availability= Off from this Friday, back for three days from Monday 4th April Return to ARM on Thursday 7th April

9 years, 6 months

[Weekly] 14-18 March 2016

by Michael Collison

== This week == * Bugzilla 69663 - [ARM] Implement overflow arithmetic standard names (5/10) - Resolved 50% of thumb2 failures - Resolved issues with overlapping registers and not setting condition codes - Wrote compile only test cases that pass validation * TCWG-247 - Create Validation Job to run on GCC Trunk Commits (2/10) - Investigation into Python API for discovering when Jenkins builders are idle * Linaro connect recovery day (2/10) * Misc meeting (1/10) == Next week == * Bugzilla 69663 - [ARM] Implement overflow arithmetic standard names - Resolve remaining thumb2 issues * TCWG-247 - Create prototype implementation

9 years, 6 months

[ACTIVITY]

by Renato Golin

= Progress == * Day off (2/10) - After Connect, recuperating, jet lagging * EuroLLVM (6/10) - Flying Wed to Barcelona, attending conference - Back on Saturday * Background (2/10) - Code review, meetings, discussions, general support, etc. - Planning for a bigger team (git, Jenkins, infrastructure)

9 years, 7 months

[ACTIVITY] 14 March -- 18 March

by Yao Qi

* Sick on Monday [2/10] # Progress # * AArch64/ARM linux syscall for process record. [2/10] TCWG-532 ARM patch (fixing the register for syscall arg pass) is committed. Canonicalize ARM syscall patch is posted for review. * Support range stepping on arm-linux. [4/10] TCWG-545 Preparatory patches fixing bugs when "single step the instruction branch to itself" are being reviewed. Pedro thinks my patches may not work in some rare cases, and I spend some time writing the case and prove it won't happen. * Misc [2/10] ** file expense, ** upstream patch review, # Plan # * TCWG-532 * TCWG-545 -- Yao

9 years, 7 months

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