- linaro-toolchain - lists.linaro.org

by Peter Maydell

Progress: * VIRT-65 [QEMU upstream maintainership] - release work (it is looking like we'll need an rc4 next week) - worked out some patches which hopefully will fix running QEMU on OSX Mojave (testing still required) - code review - sent a cleanup patchset that removes the load_image() function (which is not possible to use safely and which we marked as deprecated way back in 2008!) * VIRT-268 [QEMU support for dual-core Cortex-M Musca board] - implemented test case which demonstrates that we incorrectly share translated code between heterogenous CPUs and behave wrongly as a result (using the existing xlnx-zcu102 board) thanks -- PMM

6 years, 5 months

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[ACTIVITY] week ending 30th November 2018

by Peter Smith

[LLVM-493] LLD link failure on KASLR for AArch64 Linux kernel The linux kernel can build in an ASLR mode that is currently causing LLD some problems. There are a few oddities in the kernel that aren't quite right but there are some problems in LLD that need resolving as well. has been a couple of interesting days trying to work out why some strange options have been used. [LLVM-484] LLD combination of dynamic relocs into a single section Committed upstream [LLVM-486] Error if user code defines _GLOBAL_OFFSET_TABLE_ Committed upstream [LLVM-489] Measure (cross) linking of performance of LLD on Chrome Performance of linking AArch64 matches X86, roughly twice as fast as ld.gold and five times faster than ld.bfd. [TCWG-1492] Investigated why git-clone and git-fetch might hang/deadlock. Back up might be to put a timeout/retry. [Other] Submitted LLVM team goals for the TCWG team Wrote up how TCWG use Jenkins and CI, now in Confluence. Planned Absences: ARM internal Compiler conference 4th/5th December Christmas holiday 17th December - 4th January

6 years, 5 months

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[ACTIVITY] week ending Dec. 2 2018

by Alex Bennée

QEMU Tooling ([VIRT-252]) ========================= QEMU plugin support ([VIRT-280]) - reviewed Emilio's {RFC 00/48} Plugin support Message-Id: <20181025172057.20414-1-cota(a)braap.org> - looks like a good basis for going forward if we can work out the kinks - port my example tools to his framework :todo [VIRT-280] https://projects.linaro.org/browse/VIRT-280 Upstream Work ([VIRT-109]) ========================== - did a quick pass at [enabling system tests in check-tcg] - started reviewing {Qemu-devel} {PATCH for-4.0 v2 00/37} tcg: Assorted cleanups Message-Id: <20181123144558.5048-1-richard.henderson(a)linaro.org> [VIRT-109] https://projects.linaro.org/browse/VIRT-109 [enabling system tests in check-tcg] https://github.com/stsquad/qemu/tree/tests/enable-system-tests Testing and CI ============== [VIRT-2] https://projects.linaro.org/browse/VIRT-2 KVM CI Loop ([VIRT-2]) - The [LKFT team] are working with gregkh to ensure -stable is tested for KVM regressions - wrote up the State of testing for KVM Message-Id: <874lc14194.fsf(a)linaro.org> - look at example regression to see what would have caught the failure :todo - look at kselftest and understand it's place :todo [VIRT-2] https://projects.linaro.org/browse/VIRT-2 [LKFT team] https://lkft.linaro.org/ Other Tasks =========== - need to concluded actions from The QEMU initiative thread Message-Id: <87wop4gezg.fsf(a)linaro.org> :todo Completed Reviews [2/2] ======================= {RFC 00/48} Plugin support Message-Id: <20181025172057.20414-1-cota(a)braap.org> - CLOSING NOTE [2018-11-28 Wed 14:13] Hashed out a number of things. Emilio will look at a single-pass option and it makes things easier or not. It was also suggested we could move instruction fetch to helpers outside of the individual front-ends to keep the plugin call points in the core translator and avoid having to tweak each front-end for support. A number of pre-requisites were discussed including some de-macrofication work to make the code easier to follow and instrument. {PATCH 0/4} xxhash patches for 4.0 Message-Id: <20181123230206.12629-1-cota(a)braap.org> - CLOSING NOTE [2018-11-28 Wed 15:09] Clean-up to xxhash to match original and handle expanded hashes Absences ======== - Christmas Holidays - Connect BKK19 (1-5th April 2019) Current Review Queue ==================== * {Qemu-devel} {PATCH for-4.0 v2 00/37} tcg: Assorted cleanups Message-Id: <20181123144558.5048-1-richard.henderson(a)linaro.org> * {PATCH v6 00/13} hardfloat Message-Id: <20181124235553.17371-1-cota(a)braap.org> * {Qemu-arm} {PATCH v7 00/16} gdbstub: support for the multiprocess extension Message-Id: <20181123091729.29921-1-luc.michel(a)greensocs.com> * {Qemu-arm} {PATCH 00/13} Support disabling TCG on ARM Message-Id: <20181113165247.4806-1-sameo(a)linux.intel.com> * {PATCH 0/7} Acceptance Tests: basic architecture support Message-Id: <20181004151429.7232-1-crosa(a)redhat.com> * {PATCH v7 00/19} Fixing record/replay and adding reverse debugging Message-Id: <20181010133333.24538.53169.stgit@pasha-VirtualBox> -- Alex Bennée

6 years, 5 months

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[ACTIVITY] 26 - 30 November 2018

by Prathamesh Kulkarni

== This Week == * GCC SVE ACLE (8/10) - Implementing svlsl intrinsics. * Validation (1/10) - TCWG-1494: Move email logic from tcwg_kernel.yaml to tcwg_kernel-bisect.sh * Misc (1/10) - Meetings == Next Week == - Address Richard's comments on svlsl patch - TCWG-1494 - Experiment with hcqc - Investigate milc regression in gcc-8

6 years, 5 months

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[ANNOUNCE] Arm Binary A-profile Toolchain Release GCC 8.2-2018.11

by Przemyslaw Wirkus

The Arm GNU Toolchain for the A-profile Architecture ===================================================== The Arm GNU Toolchain for the A-profile Architecture 8.2-2018.11 Release is now available. Arm is pleased to announce the first Arm-built release of the pre-built GNU cross-toolchain for the A-profile cores: GCC 8.2-2018.11. This is the same toolchain that was previously built and distributed by Linaro. For the official announcement, see: https://community.arm.com/tools/b/blog/posts/pre-built-gnu8-cross-toolchain… For more information about the GNU Arm toolchain and to download the release packages, see the Arm Developer website at: https://developer.arm.com/open-source/gnu-toolchain/gnu-a For an explanation of FSF GCC 8 series changes see: https://gcc.gnu.org/gcc-8/changes.html For help in porting to GCC 8 see the following explanation: https://gcc.gnu.org/gcc-8/porting_to.html Download the release packages from: (sources) https://developer.arm.com/open-source/gnu-toolchain/gnu-a/downloads (binaries) https://developer.arm.com/open-source/gnu-toolchain/gnu-a/downloads Previous snapshots and release-candidates for GCC 7 and earlier are at: (sources) https://releases.linaro.org/components/toolchain/gcc-linaro/ (binaries) http://snapshots.linaro.org/components/toolchain/binaries/ Previous releases for GCC 7 and earlier are at: http://releases.linaro.org/components/toolchain/binaries/ A description of the Arm and AArch64 target triples can be found at: https://collaborate.linaro.org/display/TCWGPUB/ARM+and+AArch64+Target+Tripl… Host Requirements ================== * Ubuntu 14.04 LTS x86_64 or later or RHEL 6.9 x86_64: * x86_64 hosted cross compiler for AArch64 ELF bare-metal target (x86_64-aarch64-elf). * x86_64 hosted cross compiler for AArch64 ELF bare-metal, big-endian target (x86_64-aarch64_be-elf). * x86_64 hosted cross compiler for AArch64 GNU/Linux target (x86_64-aarch64-linux-gnu). * x86_64 hosted cross compiler for AArch64 GNU/Linux big-endian target (x86_64-aarch64_be-linux-gnu). * x86_64 hosted cross compiler for AArch32 bare-metal target (x86_64-arm-eabi). * x86_64 hosted cross compiler for AArch32 target with soft float (x86_64-arm-linux-gnueabi). * x86_64 hosted cross compiler for AArch32 target with hard float (x86_64-arm-linux-gnueabihf). * Windows 7 or later, for 32 and 64 bit OS: * i686-mingw32 hosted cross compiler for AArch32 bare-metal target (i686-mingw32-arm-eabi). * i686-mingw32 hosted cross compiler for AArch64 ELF bare-metal target (i686-mingw32-aarch64-elf). Package Versions ================= GCC 8.2.1 https://gcc.gnu.org/gcc-8/changes.html FSF glibc 2.28 http://lists.gnu.org/archive/html/info-gnu/2018-08/msg00000.html Newlib 3.0.0 https://sourceware.org/ml/newlib/2018/msg00019.html GNU Binutils 2.30 https://lists.gnu.org/archive/html/info-gnu/2018-01/msg00010.html FSF GDB 8.1.1 https://www.gnu.org/software/gdb/download/ANNOUNCEMENT libiconv 1.15 https://savannah.gnu.org/forum/forum.php?forum_id=8790 libexpat 2.2.5 https://github.com/libexpat/libexpat/blob/R_2_2_5/expat/Changes libgmp 4.3.2 libisl 0.15 libmpfr 3.1.6 libmpc 0.8.2 Sources provided in release source tar ball. News for GCC 8 (as of GCC 8.2-2018.11) ======================================= * Bug-fix of "Mingw32 version of GCC 8.2 for ARM Cortex-A family fails to compile with option '-mabi=ilp32'". https://bugs.linaro.org/show_bug.cgi?id=4020 * No other changes between this release and GCC 8.2-2018.08. For more details about Spectre V1 defense in GCC visit: https://lwn.net/Articles/759423/ Contact Arm ============ For any questions, please use the Arm Communities forums at: https://community.arm.com/tools/ Please report any bugs via the Linaro Bugzilla at: https://bugs.linaro.org/

6 years, 5 months

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[ACTIVITY] Week 46

by Yvan Roux

o 4 days week. o LLVM * 7.0.1-rc2: - Miscompare on AArch64 is related to host compiler, still digging. * Machine Outliner on ARM prototype: - IR Outliner experiments: Commented upstream, and reducing problematic test case. o Misc * Various meetings and discussions.

6 years, 5 months

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[ACTIVITY] week ending 25 Nov 2018

by Richard Henderson

Four day week (Happy Thanksgiving, all you Europeans) [Upstream] Posted patches making bswap during qemu_ld/st optional. The prompt was reviewing the tcg/riscv/ patch set, but I've wanted to do this for ages. This should avoid the need for reservation of scratch registers on some hosts that can ill afford it -- in particular i386 and aa32. In the process I ran into two other places that x86 used those scratch registers: stores from non-q-registers and bsd-user. I included patches for both of those (freebsd only; net/openbsd will work so long as guest_base == 0 and will abort at runtime otherwise). I still need to audit the other hosts before dropping the call-clobbering from user-only within tcg.c. r~

6 years, 5 months

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[ACTIVITY] 19-23 November 2018

by Christophe Lyon

== Progress == * FDPIC - Cortex-M uClibc-ng patch merged - GCC: no feedback yet on v4 patches * GCC upstream validation: - reported a few regressions - dealing with some random results, again - trying qemu-3.1.0-rc1, maybe some memory consumption problems, tbc * GCC: - bug report on aarch64 about misaligned accesses. I do not have access to LHG gerrit, Maxim will look at isolating the problem. - rebased ubsan / bare-metal patches. Really need to look at how to merge them into LLVM * misc (conf-calls, meetings, emails, ....) - reviewing infra script patches - ran Spec2006 using gcc-8.2 sysroot, to avoid differences caused by glibc versions. Fortran benchmarks could not run when compiled with gcc-5/gcc-6 because libgfortran changed .so version compared to gcc-8. == Next == FDPIC: - GCC: handle feedback on v4 patches - uclibc-ng: look at how to test fdpic mode with openadk Benchmarks: - collect results Validation: - check if qemu-3.1.0-rc1 is OK for my GCC validations

6 years, 5 months

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[Activity] week ending November 23rd 2018

by Peter Smith

[LLVM-486] Error id user defines _GLOBAL_OFFSET_TABLE_ (upstream review) [LLVM-484] Fix linker script dynamic relocations combination into a single output section (upstream review) [LLVM-483] cortex-a53 erratum fix interaction with TLS relaxation (upstream review) [LLVM-489] Measure (cross) linking performance of LLD for AArch64 and Arm. Looking for large projects that I can build for Arm and AArch64 - Firefox seems to have some ARM Android cross build support but it does not appear to be working too well. - Chrome can cross build to ARM and AArch64 Android. Have been able to build AArch64 so far. Notably both projects don't support building natively on AArch64, there are quite a few build dependencies for which only x86 support is available. Raised Jira tickets for recent PRs fixed 2019 Planning - Drafted objectives document for LLVM team - Drafted some Jira suggestions for TCWG

6 years, 5 months

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[ACTIVITY] week ending Nov. 25 2018

by Alex Bennée

QEMU Tooling ([VIRT-252]) ========================= [VIRT-252] https://projects.linaro.org/browse/VIRT-252 QEMU plugin support ([VIRT-280]) - continued reviewing Emilio's {RFC 00/48} Plugin support Message-Id: <20181025172057.20414-1-cota(a)braap.org> - port my example tools to his framework :todo [VIRT-280] https://projects.linaro.org/browse/VIRT-280 Upstream Work ([VIRT-109]) ========================== - finished reviewing {RFC PATCH v2 00/23} KVM: arm64: Initial support for SVE guests Message-Id: <1538141967-15375-1-git-send-email-Dave.Martin(a)arm.com> [VIRT-109] https://projects.linaro.org/browse/VIRT-109 Other Tasks =========== - started The QEMU initiative thread Message-Id: <87wop4gezg.fsf(a)linaro.org> for JIRA discussion Completed Reviews [3/3] ======================= {RFC PATCH v2 00/23} KVM: arm64: Initial support for SVE guests Message-Id: <1538141967-15375-1-git-send-email-Dave.Martin(a)arm.com> - CLOSING NOTE [2018-11-22 Thu 15:36] My only major concern is if the query API is too gold plated. {RFC PATCH 0/2} docker: Add gentoo-mipsr5900el-cross image Message-Id: <20181118203312.5376-1-f4bug(a)amsat.org> {PATCH} docker: dockerfile for openSUSE Leap Message-Id: <87k1lai2vo.fsf(a)linaro.org> Absences ======== - Christmas Holidays - Connect BKK19 (1-5th April 2019) Current Review Queue ==================== * {RFC 00/48} Plugin support Message-Id: <20181025172057.20414-1-cota(a)braap.org> * {Qemu-devel} {PATCH for-4.0 v2 00/37} tcg: Assorted cleanups Message-Id: <20181123144558.5048-1-richard.henderson(a)linaro.org> * {Qemu-arm} {PATCH v5 00/16} gdbstub: support for the multiprocess extension Message-Id: <20181110081147.4027-1-luc.michel(a)greensocs.com> * {Qemu-arm} {PATCH 00/13} Support disabling TCG on ARM Message-Id: <20181113165247.4806-1-sameo(a)linux.intel.com> * {PATCH 0/7} Acceptance Tests: basic architecture support Message-Id: <20181004151429.7232-1-crosa(a)redhat.com> * {PATCH v7 00/19} Fixing record/replay and adding reverse debugging Message-Id: <20181010133333.24538.53169.stgit@pasha-VirtualBox> -- Alex Bennée

6 years, 5 months

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[ACTIVITY] report week ending 23 Nov

by Peter Maydell

Progress: * VIRT-65 [QEMU upstream maintainership] - release work - code review - sent patch fixing Coverity issue in Xen PCI device passthrough (this was our last outstanding issue with no patch on the list!) * VIRT-268 [QEMU support for dual-core Cortex-M Musca board] - some initial investigation of what changes are going to be needed for heterogenous-cpu support in QEMU - started on a test case using the existing xnlx-zcu102 board (which has a heterogenous config that works only by accident) thanks -- PMM

6 years, 5 months

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[ACTIVITY] 19 - 23 November 2018

by Diana Picus

== Progress == # Monday off # [LLVM-479] Check current status of GlobalISel - Looked into new patterns that can be selected by TableGen and forked LLVM-481 and LLVM-482 out of that - Ran a test-suite and a selfhost with GlobalISel and had a look at the fallbacks # [LLVM-481] [ARM GlobalISel] Test BFC - Committed upstream # [LLVM-482] [ARM GlobalISel] Enable CLZ - Most of the work is done, ready to commit next week == Plan == Wrap up LLVM-482 and LLVM-479 Fork more stories out of LLVM-479

6 years, 5 months

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Linaro GCC 6.5 2018.11 source snapshot [final]

by Mark Murray

The Linaro Toolchain Working Group (TCWG) is pleased to announce the 2018.11 snapshot of Linaro GCC 6 source package. o This Linaro GCC 6 snapshot[1] is based on FSF GCC 6.5+svn265890 and includes performance improvements and bug fixes backported from mainline GCC. This snapshot will be part of the final maintenance release, as the upstream GCC 6 branch is at the end of its maintenance lifespan. This snapshot tarball is available on: http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.5-2018.11/ Interesting changes in this GCC source package snapshot include: * Updates to GCC 6.4+svn265890 o Subscribe to the important Linaro mailing lists and join our IRC channels to stay on top of Linaro development. ** Linaro Toolchain Development "mailing list": http://lists.linaro.org/mailman/listinfo/linaro-toolchain ** Linaro Toolchain IRC channel on irc.freenode.net at @#linaro-tcwg@ * Bug reports should be filed in Bugzilla against GCC product: http://bugs.linaro.org/enter_bug.cgi?product=GCC * Interested in commercial support? inquire at "Linaro support": mailto:support@linaro.org [1]. Source package snapshots are defined when the compiler is only put through unit-testing and full validation is not performed. Mark Murray Staff Software Engineer | Arm . . . . . . . . . . . . . . . . . . . . . . . . . . . p: +44 1223 405082 arm.com <http://www.arm.com> IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you.

6 years, 6 months

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[ACTIVITY] Week 45

by Yvan Roux

o 4 days week. o LLVM * 7.0.1-rc2: - Uploaded ARM and AArch64 binaries - Investigating miscompare on AArch64 * Machine Outliner on ARM prototype: - IR Outliner experiment gave interesting code size reduction o Misc * Various meetings and discussions. * CI patch reviews

6 years, 6 months

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[ACTIVITY] week ending 18 Nov 18

by Richard Henderson

Three day week. [GNU-180 # Fix gcov crash on program exit] Fiddled around with TI-RTOS for a while before I realized that was sort of beside the point. Gave the reporter a method do avoid dumping during the global destructors. Still need to look into where the reported stack space problem might be. [Upstream] Out-of-line softmmu patches got some work. Added ppc64 support. Fixed a race and a code removal crash. Emilio verified -5% aa64 boot+shutdown time, but it performed less well on spec2006. Reviewed risc-v host patch set. r~

6 years, 6 months

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[ACTIVITY] week ending Nov. 18 2018

by Alex Bennée

QEMU Tooling ([VIRT-252]) ========================= QEMU plugin support ([VIRT-280]) - started reviewing Emilio's {RFC 00/48} Plugin support Message-Id: <20181025172057.20414-1-cota(a)braap.org> - port my example tools to his framework :todo [VIRT-280] https://projects.linaro.org/browse/VIRT-280 Upstream Work ([VIRT-109]) ========================== - started looking at {RFC PATCH v2 00/23} KVM: arm64: Initial support for SVE guests Message-Id: <1538141967-15375-1-git-send-email-Dave.Martin(a)arm.com> [VIRT-109] https://projects.linaro.org/browse/VIRT-109 Other Tasks =========== - [Video for KVM Forum QEMU status report] is up - the rest of the [sessions are here] - posted {PULL for 3.1 0/2} Testing tweaks Message-Id: <20181114131008.27599-1-alex.bennee(a)linaro.org> [Video for KVM Forum QEMU status report] https://www.youtube.com/watch?v=GZBd3jt5iA8 [sessions are here] https://www.youtube.com/channel/UCRCSQmAOh7yzgheq-emy1xA/videos Completed Reviews [3/3] ======================= {PATCH} tests/tcg/multiarch: fix 32bit linux-test on 64bit host Message-Id: <20181113175437.26492-1-laurent(a)vivier.eu> {Qemu-devel} {PATCH} hax: Support for Linux hosts Message-Id: <20181114130428.32326-1-asanchez(a)kryptoslogic.com> {Qemu-devel} {PATCH} target: hax: replace g_malloc with g_malloc0 Message-Id: <1542261954-4060-1-git-send-email-liq3ea(a)gmail.com> Absences ======== - Christmas Holidays - Connect BKK19 (1-5th April 2019) Current Review Queue ==================== * {RFC PATCH v2 00/23} KVM: arm64: Initial support for SVE guests Message-Id: <1538141967-15375-1-git-send-email-Dave.Martin(a)arm.com> * {Qemu-arm} {PATCH v5 0/4} target/arm: KVM vs ARMISARegisters Message-Id: <20181113180154.17903-1-richard.henderson(a)linaro.org> * {Qemu-devel} {PATCH for-4.0 00/17} tcg: Move softmmu out-of-line Message-Id: <20181112214503.22941-1-richard.henderson(a)linaro.org> * {Qemu-arm} {PATCH 00/13} Support disabling TCG on ARM Message-Id: <20181113165247.4806-1-sameo(a)linux.intel.com> * {Qemu-devel} {PATCH for-4.0 00/17} tcg: Move softmmu out-of-line Message-Id: <20181112214503.22941-1-richard.henderson(a)linaro.org> * {Qemu-arm} {PATCH v5 00/16} gdbstub: support for the multiprocess extension Message-Id: <20181110081147.4027-1-luc.michel(a)greensocs.com> -- Alex Bennée

6 years, 6 months

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[Activity] week ending Friday 16th November

by Peter Smith

LLD bug fixing and triage pr39678 Calculation of DT_PLTRELSZ with strange linker script. pr39662 Request to add more emulations pr39634 LTO and references from inline symbols D54474 Fix for incorrect relocation span out of ifunc review D54624 Redefinition of _GLOBAL_OFFSET_TABLE_

6 years, 6 months

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[ACTIVITY] Weekly report for weeks 45 & 46

by Thomas Preudhomme

=== Work done during the past 2 weeks === * Resurrect code size optimization for fmul/dmul from Tony Wang: bootstraping + rework slightly to better deal with switch of section and deal with several possible section layout + start anew with a new approach based on symbol visibility -> works without -gc-sections and does not rely on section layout * Fix -mslow-flash-data: ready to upstream on Monday + some more cleanup and code improvement * LLVM-432 (Support arithmetic on FileCheck regex variable): + started reworking parsing code to be separate from evaluation and support more complex expression * Infrastructure code review === Plan for week 47 === * LLVM-432 (Support arithmetic on FileCheck regex variable): + extend testcase coverage (add tests for latest syntax change and add more negative testing) + finish cleaning up the code * Try to reproduce perf issue mentioned in week #30's weekly report on latest perf * Line management.

6 years, 6 months

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[ACTIVITY] report week ending 16 Nov

by Peter Maydell

Progress: * VIRT-251 [AArch32 Hyp/running microvisors] - fixes to the issues running L4Re/Fiasco have now been committed to QEMU master for the 3.1 release - some minor remaining missing functionality not needed for these guests has been recorded as subtasks of VIRT-65 - this Epic is now closed! * VIRT-65 [QEMU upstream maintainership] - release work - looked again at automation of uploads to the Coverity Scan service (last try was last year); sent out revised patchset - code review: + "sbsa reference board" model + LOR, HPD, AA32HPD extension support (rth) + Minimize TLB flushing for ASID changes (rth) + Support for loading uboot "noload" uimage files + better PMUv3 emulation + micro:bit SoC device models thanks -- PMM

6 years, 6 months

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[ACTIVITY] 12-16 November 2018

by Christophe Lyon

== Progress == * FDPIC - Cortex-M uClibc-ng patch still pending - GCC: updated patches and sent v4 Tried to isolate the regressions observed on xtensa uclinux toolchain with my patches. Built a qemu-system-arm -based platform to run tests involving the kernel. Built and ran a few LTP tests. Unfortunately, LTP has dropped/is dropping support for uclinux configs, for lack of interest * GCC upstream validation: - reported a few regressions - dealing with some random results, again * GCC: - bug report on aarch64 about misaligned accesses. Waiting for more details to reproduce the problem. * misc (conf-calls, meetings, emails, ....) - reviewing infra script patches == Next == FDPIC: - GCC: handle feedback on v4 patches - uclibc-ng: look at how to test fdpic mode with openadk

6 years, 6 months

1
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[ACTIVITY] 12 - 16 November 2018

by Diana Picus

== Progress == * Catch up on things - Remind myself what a laptop looks like, install updates etc etc - Figure out new links, machines etc - Clean up inbox * [LLVM-59] Small changes to the LLVM helper scripts - Had a look at all the remaining issues and closed them as obsolete or already implemented * [LLVM-479] Check current status of GlobalISel - Read the mailing list to see what I’ve missed - Started looking at the code - Trying to run the test-suite on a TK1 * Misc - Fixed a simple buildbot breakage - Meetings == Plans == * LLVM-479

6 years, 6 months

1
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[ACTIVITY] 5 - 9 November 2018

by Prathamesh Kulkarni

== This Week == * GNU-405: Implement division using vrecpe/vrecps (1/10) - Committed patch * SVE ACLE (2/10) - Continue work on shift intrinsics * PR83750 (1/10) - Addressing upstream comments * Holidays (6/10) - Diwali festival == Next Week == - Continue working on SVE ACLE and PR83750

6 years, 6 months

1
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[ACTIVITY] Week 44

by Yvan Roux

o 4 days week. o LLVM * 7.0.1-rc2: - Built ARM and AArch64 binaries - Investigating miscompare on AArch64 * Machine Outliner on ARM prototype: - Investigating issues in PIC mode - Testing IR Outliner o Misc * Various meetings and discussions.

6 years, 6 months

1
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[ACTIVITY] week ending 11 Nov 2018

by Richard Henderson

[VIRT-241 # QEMU ARMv8.x support ] The new ARM ARM was released (DDI0487 D_a) including ARMv8.4. Add jira cards for all of the v8.4 features. Rearrange all of the stories into a hierarchy so that it's easier to track which cards belong to which architecture revision. [VIRT-263 # ARMv8.1-VHE Virtual Host Extensions ] Working my way through this rather large extension: * Cleanup (most) direct uses of hcr_el2. * Add new hypervisor virtual timer. * Add contextidr_el2 and use it in breakpoint matching. * Add system register aliasing and redirection. * Added a new mmu_idx for the NS EL2&0 regime; working through all the places that should be handled. [Upstream] Posted kvm-vs-idregs patch set v3. r~

6 years, 6 months

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[ACTIVITY] 5-9 November 2018

by Christophe Lyon

== Progress == * FDPIC - Cortex-M uClibc-ng patch still pending - GCC: handling feedback on v3 patches. Managed to build/check xtensa uclinux toolchain with my patches. Largely better, but a few new failures. - working on kernel + qemu-system env to run more tests. Got help from Nicolas Pitre. * GCC upstream validation: - reported a few regressions - dealing with some random results, again * GCC: - bug report on aarch64 about misaligned accesses. Waiting for more details to reproduce the problem. * misc (conf-calls, meetings, emails, ....) - reviewing infra script patches == Next == FDPIC: - GCC: followup v3 patches - uclibc-ng: look at how to test fdpic mode with openadk - use qemu-system mode to run more tests

6 years, 6 months

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