linaro-toolchain

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5604 discussions

[Weekly] 29 SEPT - 3 OCT 2014

by Michael Collison

== This week == * TCWG-515 - Neon intrinsic testing part 1 (5/10) - Developed fix for vclz DejaGnu failure - Tested on ARM hardware * Linaro bugzilla 602 - gcc 4.7.3 compiler internal error while building hsail components (1/10) - Unable to reproduce with either Linaro 4.8 or 4.9 * Linaro Bugzilla 540 - Median of three has unneeded register moves (1/10) - Results of Triage indicate generated code has improved though still not optimal - No plans for further improvement * Misc. (1/10) - Completed ARM annual review paperwork * Out sick Friday, October 3rd (2/10) == Next week == - Full validation testing on vclz bug fix - Create patch for vclz bug fix and send to gcc-patches list - Resolve any blocking issues to patch for bugzilla 331

10 years, 9 months

[ACTIVITY] 29 September - 3 October 2014

by Venkataramanan Kumar

= Progress == * Core mark benchmark and report for PGO and PGO + LTO (2/10) Collected benchmark scores and report sent internally. Adding PGO benefits coremark. LTO seems to hurt. More runs and profiling next week. Tired few experiments with -funroll-all-loops and seems to benefit. * Misc [2/10] Internal meeting and 1-1 with Ryan and inline manger. Revisited and closed PR61442 Short week leave on 29 Sep, 2 and 3rd Oct (6/10). == Plan == * Coremark benchmark and profiling for PGO and PGO + LTO * Investigate PR 62308 * Setup Cbuildv2 build in internal machine.

10 years, 9 months

[Activity] Aug 28 - Oct 5

by Rob Savoye

== Progress == * Fixed test infrastructure bugs (TCWG 1378 - 8/10). - Installed Foundation Model on all Hetzner machines so aarch64 bare metal testing works. - Refactored all board support files to eliminate duplication to reduce maintainance headaches. Fixed ldflags so now getting good results. - Backport job is working good now. - Worked on Gerrit/Jenkins integration, with the goal of having the notifications work *after* the test and validation is done. - More work on optimizing SSH connections by reducing extraneous commands in the test framework. - Recreated stable branch from master now that results are much better. * Meetings and Misc (2/10) * Fixed National Park internal wireless network, getting access to much better bandwidth than the crappy Guest one. :-) == Plan == * Escape Yosemite, hard during a great weather window, and being the only person in my group with a job... * Continue fixing remote testing support, merge "boards" branch into master, then make it stable after more testing.

10 years, 9 months

[ACTIVITY] Week 40

by Charles Baylis

== Progress == Closed bug #405 (not a bug) NEON load/store . reworked patches not to do type-punning [9/10] . investigated alternative ways to solve poor code generation with array of vector types Started investigating NEON bugs 403, 418 [1/10] == Plan == NEON load/store - submit new patches, continue upstream discussion Try out validation infrastructure for my own patches

10 years, 9 months

[ACTIVITY] 29 September - 3 October 2014

by Christophe Lyon

== Progres == * GCC trunk/4.9 cross-validation (CARD-647) (3/10) - aarch64 address sanitizer tests currently all fail at execution under qemu because they try to reserve 50GB of memory. Tried to push the limits with no success so far. - working on fixing support for testcases generating a shared lib - newly introduced abi_check for aarch64 fails on my side, probable testsuite configuration problem. * Linaro branches - updated backports spreadsheet - reviewed backports prepared by Yvan * Validation (3/10) - manually running builds+validations to compare master and chroot branches, see the diffs between static and dynamic libs in terms of PASS/FAIL, .... * Neon intrinsics tests (1/10) - No need to comply to the GNU coding style since it's imported from and existing testsuite. - only minor changes requested - should help having the 1st subset committed soon * Misc (3/10) - calls/meetings - bugzilla admin etc..

10 years, 9 months

[ACTIVITY] Week 40

by Renato Golin

== Progress == * Automation Framework (CARD-1378 5/10) - Broken Chromebooks in the lab - Setting up AMD machine - Setting up Juno boards * Background (5/10) - Code review, meetings, discussions, etc. - Writing LPC presentations - Broken buildbots == Plan == * Spend less time fiddling with hardware... * Fix the Compiler-RT buildbot * FPU parser (PR20787) * .fpu in assembler (PR20757) * -mpfu in driver (PR20700)

10 years, 9 months

[PATCH 1/2] lib/make.sh: Add support for installing headers for i686 and x86_64

by Will Newton

--- lib/make.sh | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/lib/make.sh b/lib/make.sh index fb7137c..b917ece 100755 --- a/lib/make.sh +++ b/lib/make.sh @@ -460,8 +460,15 @@ make_install() local srcdir="`get_srcdir $1 ${2:+$2}`" if test `echo ${target} | grep -c aarch64` -gt 0; then dryrun "make ${make_opts} -C ${srcdir} headers_install ARCH=arm64 INSTALL_HDR_PATH=${sysroots}/usr" - else + elif test `echo ${target} | grep -c i.86` -gt 0; then + dryrun "make ${make_opts} -C ${srcdir} headers_install ARCH=i386 INSTALL_HDR_PATH=${sysroots}/usr" + elif test `echo ${target} | grep -c x86_64` -gt 0; then + dryrun "make ${make_opts} -C ${srcdir} headers_install ARCH=x86_64 INSTALL_HDR_PATH=${sysroots}/usr" + elif test `echo ${target} | grep -c arm` -gt 0; then dryrun "make ${make_opts} -C ${srcdir} headers_install ARCH=arm INSTALL_HDR_PATH=${sysroots}/usr" + else + warning "Unknown arch for make headers_install!" + return 1 fi if test $? != "0"; then warning "Make headers_install failed!" -- 1.9.3

10 years, 9 months

[ACTIVITY] 8th - 26th September

by Bernie Ogden

cbuild2 benchmarking - TCWG-360 [9/10] * Knocked off a lot of rough edges * Now working fairly robustly lowlevellock.h comments - CARD-341 [4/10] * Got a bit stuck trying to follow condvar locking * But wasn't really needed to describe the code in question LCA [10/10] LCA recovery day [2/10] Meetings/mail/etc [5/10] =Plan= cbuild2 benchmarking: * Push upstream for others to look at * Sort out storage story for benchmark sources and results * Try to get working on a Juno (in LAVA, therefore on OE) * Look at our Jenkins scripts with a view to figuring out how to hook in * Work through list of bits 'n' pieces to fix - + Don't scrape logs (bad for server) + Don't fail on network timeouts + Extra target control knobs - disable ASLR, set a nasty nice value, maybe hugepages + Set appropriate flags automatically for cross-builds

10 years, 9 months

[ACTIVITY] 22 - 26 September 2014

by Will Newton

== Progress == * Monday off to recover from Connect (2/10) * Catch up on email (1/10) * Upstream work (1/10, CARD-341) - Patch review * Investigate malloc single-thread optimizations (1/10, TCWG-436) - More exploratory work on atomics * Investigate binutils support for full range of AArch64 relocs (1/10) * Annual leave Thursday and Friday (4/10) == Issues == * None == Plan == * More work on atomics * Figure out how to make an LLVM cross compiler with gas/ld -- Will Newton Toolchain Working Group, Linaro

10 years, 9 months

[ACTIVITY] Week 39

by Yvan Roux

2 post-connect days off (4/10) == Issues == * Validation is in an "under construction" state. == Progress == * GCC 4.9 2014.10 (4/10) - Analysed validation issues with our cbuild2 branches. * Misc: (2/10) - Catch up with mails. - Various meetings. - AArch64 Libunwind upstream patch review. == Plan == * Catch up with backports * Audit validation failures

10 years, 9 months

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