linaro-toolchain

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5634 discussions

[ACTIVITY] 17-21 August 2015

by Christophe Lyon

== Progress == == Next == * GCC (4/10) - AdvSIMD failures on aarch64_be. Struggling with vectorizer regressions. * Releases/snapshots/validation (3/10) * Misc (3/10) - meetings, conf-calls, emails == Next == * GCC aarch64_be AdvSIMD * Validation / reviews / backports

10 years, 1 month

[ACTIVITY] 17 - 21 August 2015

by Yao Qi

# Progress # * TCWG-806, aarch64 remote debugging multi-arch support. Patches are pushed in. Done. [2/10] * TCWG-857, HW breakpoint/watchpoint in multi-arch. [3/10] Both GDB and linux kernel needs some fixes. Fix one bug in GDB. Read ARMv8 manual about byte address select for thumb code (2-byte aligned instruction) and the implementation in kernel. * TCWG-757 some patches review, [1/10] * Misc [4/10] ** ARM new starter training on Wed. afternoon and Thu. ** Read early-debug https://gcc.gnu.org/wiki/early-debug # Plan # * TCWG-857. * Update the state of some old linaro tickets on GDB. -- Yao

10 years, 1 month

Cross compile tool chain libs not found issue

by Yendapally Reddy Dhananjaya Reddy

Hi, I compiled the Linaro cross tool chain for arm v7 SOC and using the buildroot to create the images. When I use the downloaded precompiled tool chain from linaro releases, I am not facing any issues. But with compiled tool chain, multiple packages are failing with similar to below mentioned error. I tried building cross tool chain on both redhat and Ubuntu machines. When I see the difference of gcc -v, the cross compile is with "--host=x86_64-build_unknown-linux-gnu" and the pre compiled is with "--host=i686-build_pc-linux-gnu". I tried with "crosstool-ng-linaro-1.13.1-4.9-2014.08.tar.bz2" and "crosstool-ng-linaro-1.13.1-4.9-2014.09.tar.bz2". configure:25287: checking for MD5 in -lcrypto configure:25312: /projects/broadcom-linux/dhananjay/nas/iproc/buildroot/output/host/usr/bin/arm-linux-gnueabihf-gcc -std=gnu99 -o conftest -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -pipe -Os -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 conftest.c -lcrypto >&5 /projects/broadcom-linux/dhananjay/toolchain/tool9/toolchain/lib/ct-ng-linaro-1.13.1-4.9-2014.08/install/lib/gcc/arm-linux-gnueabihf/4.9.2/../../../../arm-linux-gnueabihf/bin/ld: warning: libdl.so.2, needed by /projects/broadcom-linux/dhananjay/nas/iproc/buildroot/output/host/usr/arm-buildroot-linux-gnueabihf/sysroot/usr/lib/libcrypto.so, not found (try using -rpath or -rpath-link) -bash-4.1$ uname -a Linux lab-rtp-gw-05 2.6.32-358.23.2.el6.x86_64 #1 SMP Sat Sep 14 05:32:37 EDT 2013 x86_64 x86_64 x86_64 GNU/Linux Can somebody help me here. Thanks Dhananjay

10 years, 1 month

abe - compiling cross aarch64 toolchain using local directory

by Virendra Kumar Pathak

Hi Linaro Toolchain Group, I am trying to compiling cross aarch64-linux-gnu toolchain using local directory (tar file) for gcc. I am using file:/// as mentioned in the https://wiki.linaro.org/ABE. ../abe/abe.sh --target aarch64-linux-gnu --build all --release 20150819 --tarbin gcc=file:///home/vpathak/arm/toolchain/build/snapshots/gcc-2015.11-5.tar.bz2 But I get following error: ERROR (#146): get_URL (not supported for .tar.* files.) ERROR (#533): get_source (file:///home/vpathak/arm/toolchain/build/snapshots/gcc-2015.11-5.tar.bz2 not a valid sources.conf identifier.) TRACE(#190): checkout () ERROR (#193): checkout (No URL given!) ERROR (#161): checkout_all (Failed checkout out of gcc.) Am I missing something ? How can we use a local directory (e.g. gcc source code) for building toolchain using abe ? Please help. Thanks. -- with regards, Virendra Kumar Pathak

10 years, 1 month

[ACTIVITY] 10 - 14 August 2015

by Omair Javaid

== Progress == LLDB development -- Testing and bug fixing lldb on hikey AArch64 [TCWG-886] [7/10] -- Submitted following fixes and got them reviewed -- http://reviews.llvm.org/D11899 -- http://reviews.llvm.org/D11902 -- http://reviews.llvm.org/D11987 Miscellaneous [3/10] -- Meetings, emails, discussions etc. -- 14th August Public Holiday == Plan == LLDB development -- Further progress on fixing test failues on hikey AArch64. -- Testsuite status compilation for armel and armhf

10 years, 1 month

[ACTIVITY] 10-14 August 2015

by kugan

== Progress == * Short week due to GNU Cauldron Travel * Widening pass (TCWG-547) - 3/10 - Looked at the false positive warning for uninitialized variable - Have a reduced test-case and looking at ways to fix this - Split the patch for easy review - Fixed test-cases and going through all the test-case failures * Misc - 2/10 - gcc-patches, gcc-bugs list - Looked at gcc vectorization == Plan == - Widening pass

10 years, 2 months

[ACTIVITY] Week 33

by Yvan Roux

== Progress == o Linaro GCC validation (4/10) * Validation issues investigation * Austin's APM board seems more reliable * New validation instability on x86_64 discovered: - Analysis on-going but it is related to fstack-protector * Waiting for VPN access o Upstream GCC (4/10) * Reworked OOM issue on armeb-linux-gnu target fix * Patch committed on trunk * Backport on gcc-5 validated and about to be committed o Misc (2/10) * Various meetings * Team member support == Plan == o Continue on validation o Redo FSF branch merge after big-endian fix committed.

10 years, 2 months

[ACTIVITY] 10th - 14th August

by Bernie Ogden

Benchmark infrastructure - TCWG-360 [6/10] * Fixed remaining known critical issues in multinode ** Testing stymied by LAVA oversubscription ** Attempted to implement some workarounds for oversubscription * Some discussion/investigation on generating filesystems for benchmarking * Started brain-dumping state of infrastructure into cards.linaro.org Bringing up Juno for noise control experiments [1/10] * Some struggles with firmware/bootloader configuration Misc [3/10] Featuring some ARM management duties = Plan = * Get benchmarking tests through, if LAVA permits * Fix any critical issues discovered * Finish brain-dump into cards.l.o * Bring up Juno for noise control experiments * Some more ARM management

10 years, 2 months

[ACTIVITY] 10-14 August 2015

by Christophe Lyon

== Progress == * GCC (4/10) - AdvSIMD failures on aarch64_be: WIP patch makes the intrinsics tests pass, but shows regressions in the vectorizer tests * Releases/snapshots/validation (2/10) - validation monitoring, fixed a couple of minor bugs * Misc (4/10) - meetings, conf-calls, emails == Next == * GCC aarch64_be AdvSIMD * Validation

10 years, 2 months

[Weekly] 10-14 AUGUST 2015

by Michael Collison

== This week == * TCWG-140 - Transform end of loop conditions to min_expr (4/10) - Wrote initial test case as requested by maintainers - Need to determine how to not run test case on targets with no MIN_EXPR/MAX_EXPR * TCWG-833 - Exploit Wide Add operations when appropriate (4/10) - Fixed internal error by using unspec for vector sign/zero-extend - Fixed multiple issues with test cases - Investigating why gcc.dg/vect/slp-reduc-3.c with lto is regressing for aarch32 and aarc64 - Investigating two additional regression failures on aarch64 * TCWG-834 - Use non-unit stride loads by preference when applicable (1/10) - Spoke with Richard Biener at GNU cauldron. - He indicated this was a problem with a interaction problem with vectorizer not attempting multiple strategies - He indicated that he planned to fix this for GCC 6 and not to attempt a fix - My plan is to write a test case that fails until the issue is addressed in GCC 6 * Misc (1/10) - Conference calls == Next week == - Resolve testsuite regressions for TCWG-833 - Create bugzilla reports for TCWG-833 and TCWG-834 - Write testcase for TCWG-834 and submit upstream - Investigate TCWG-832 as time permits

10 years, 2 months

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