- linaro-toolchain - lists.linaro.org

by Renato Golin

== Progress == * IAS (TCWG-377) - Long discussions about magic in inline asm - Bottomline is: we're still validating anyway * AArch64 (TCWG-387) - Making it build with CMake, discarding some tests - Similar changes to the test-suite - All green except sphereflake * Buildbots - Investigating one failure on test-suite due to register allocator changes - Will continue this during or after Connect * Background - Connect preparations - EuroLLVM 14 sync call, paper discussions - Researching some kernel C/ASM syntax - Studying __builtin_constant_p usage - Patch reviews, etc. * Time - CARD-862 8/10 - Others 2/10 == Plan == * Connect

11 years, 3 months

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[ACTIVITY] 24 - 28 February 2014

by Will Newton

== Progress == * 3 day week (off Monday and travelling Friday) * QEMU ARMv8 CRC instructions (2/10, TCWG-52) * Slides for Connect (3/10) * Investigating AArch64 setcontext issue (1/10, TCWG-410) == Issues == * None == Plan == * LCA14 -- Will Newton Toolchain Working Group, Linaro

11 years, 3 months

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[ACTIVITY] 17 - 21 February 2014

by Will Newton

(slightly delayed) == Progress == * 3 day week (annual leave Thursday and Friday) * QEMU ARMv8 CRC instructions (4/10, TCWG-52) * Slides for Connect (1/10) * Further work on longjmp/setjmp Systemtap probes on ARM (1/10, TCWG-378) == Issues == * None == Plan == * Complete QEMU CRC instruction work * Preparation for Connect -- Will Newton Toolchain Working Group, Linaro

11 years, 3 months

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[Weekly] 17-21 FEB 2013

by Michael Collison

== This week == - US Holiday on Monday, January 17th - Backported 202407 - Fix parameter to vrsqte_f64 - Backported 202259 (on read/write branch) - AARCH64, fix return types for vaddvq_s64, vaaddvq_u64 - Backported 202321 - Fix vdup<bhsd>_lane<q>_* instrinsics' lane parameter - Backported 202322 - Fox register constraints for lane intrinsics - Installed Qemu64 simulator and attempted to test aarch64 backports. - Shared library issue is preventing qemu64 from executing; Rob Savoy is investigating == Next week == - Test pending git review backports with Qemu64 if issues resolved - Test backports completed this week on Qemu64 - New backports == Future == -- Michael Collison Linaro Toolchain Working Group michael.collison(a)linaro.org

11 years, 3 months

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[ACTIVITY] Week 8

by Yvan Roux

== Issues == * none == Progress == * LRA on AArch32: o TCWG-343 : Make LRA the default for the ARM backend (0/10) - No progress this week on my side. o TCWG-345 : Analyse performance of LRA for ARM. (4/10) - Analysed Spec2K figures on Cortex-a15. * Backports review: (1/10) o Start to look at the Gerrit review process. o Lack of testsuite results * Misc: o LCA'14 : AArch64 toolchain status session. (3/10) o Various meetings. (2/10) == Next == * Backports review * https://bugs.launchpad.net/bugs/1169164 * Connect

11 years, 3 months

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[ACTIVITY] 23 - 28 Feburary 2014

by Omair Javaid

== Progress == * Completed testing and submitted patches upstream. [TCWG-251] [TCWG-252] [1/10] * Travel to capital Islamabad for Macau visa follow up. [3/10] * Shifting to new office space and setting up office [6/10] == Plan == * Study aarch64 code and create task breakdown for record/replay support. [TCWG-389] * Setup gdb for aarch64 and try to run a demo application. [TCWG-389] * Write how-to for using scripts to compare two gdb testsuite runs. [TCWG-96] * Setup network and internet etc in new office space.

11 years, 3 months

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[ACTIVITY] Week 08

by Zhenqiang Chen

== Issues == * None == Progress == * CCMP for AARCH64. - Design cases to cover most conditional compare combinations. - Set up qemu environment and run regression tests. And fix all the new FAILs. * Respawn 2014.01-01 baremental toolchains by setting CT_TARGET_LDFLAGS=" --specs=rdimon.specs " * Rebuild arm-linux-gnueabi toolchain and ran spec2k. But can not reproduce the regression about Linaro 4.8 based on 2014.01 release. == Plans == * Send out the CCMP patches for community review.

11 years, 3 months

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[ACTIVITY] Feb 17-21

by Kugan

== Progress == - TCWG-394 (5/10) - Found one more issue, regression tested and posted the patch upstream for review - http://gcc.gnu.org/ml/gcc-patches/2014-02/msg01282.html. - TCWG-395 (1/10) - Started with a google doc for wiki update - Speck regression analysis with 4.7, 4.8 Nov and Dec releases (2/10) - Native build of these versions and rank spec2k benchmarking for all of them - Not able to reproduce it on a15 as reported == Misc == 1 Day off sick == Plan == - Get all the information required for wiki - TCWG-395 - Start working on TCWG-396

11 years, 3 months

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[Activity] Feb 17-23

by Rob Savoye

== Progress == * Fixed remote testing via Cbuildv2 (TCWG 324 - 3/10). Currently it supports multiple build farms, it uses my local hardware and the TCWG build farm, and when run via Jenkins it uses the TCWG build farm. * Got qemu-aarch64 built and working, added to the DejaGnu site.exp file used by Cbuildv2, so now aarch64 execution tests actually work. Then cloned qemu-aarch to the x86_64 tcwg build farm machines so Jenkins can use it. (TCWG 393 - 3/10) * Meetings and misc. (4/10) - Worked on LCA14 presentation. - Write documentation on how to tweak the config file for DejaGnu used by Cbuildv2 for remote test execution. - Got Gerritt and Jenkins integrated (thanks Paul!) so merge requests fire up Jenkins to do builds on everything in the TCWG build farm. - Had ITS create a new list 'tcwg-test-results', which soon will get buid failure notifications from Jenkins and any test regressions. - Added support for emailing test results to Cbuildv2. == Plan == * Test the Gerrit/Jenkins integration. * Improve new test analysis script to compare builds from more than the same day, since now some test runs take 32hours with all the execution tests running on a chromebook an Beagle Board. * Travel to Connect! == Issues == * Somebody needs to upgrade the crouton install on all our chromebooks, as the current version won't build GCC native.

11 years, 3 months

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[ACTIVITY] Week 8

by Renato Golin

== Progress == * IAS (TCWG-377) - Abandoning softvfp implementation, we should not use it - Both softvfp and dwarf flags went back to kernel/android - Macro issue has been solved, IAS is now Gold! - Still doesn't compile the kernel, though... ;) - Discussions about inline assembly bailing on asm garbage * AArch64 (TCWG-387) - Trying to get the build working and passing tests - Some worries about config.guess updates (license) - Commented out some old JIT tests, they will never work - Memory allocation failures look real bugs, though - At least Five real bugs in test-suite * Background - Patch reviews - Further discussions about Dwarf vs. EH unwind tables - Discussing vectorizer pragmas with GCC list - Reviewing EuroLLVM14 papers - Helping Rob upgrade TCWG Chromebooks * Time - CARD-862 8/10 - Others 2/10 == Plan == * Take a look at Compiler-RT * Check some of the AArch64 errors * Maybe EH/unwind issues * Connect

11 years, 3 months

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"invalid expression as operand" in aarch64 inline asm

by Kugan

Hi, I finally got around to checking the attached patch for the https://bugs.launchpad.net/ubuntu/+source/gcc-4.8/+bug/1270789 I noticed attached patch causes regression for pr38151.c in gcc test-suite. A reduced test-case that triggers this is: static unsigned long global_max_fast; int __libc_mallopt (int param_number, int value) { __asm__ __volatile__ ("# %[_SDT_A2]" :: [_SDT_A2] "nor" ((global_max_fast))); global_max_fast = 1; } In this regard I have couple of questions: 1. Is the in-line asm valid? Look ok to me. 2. For the pr38151.c regression, asm diff is as shown below. < add x0, x0, :lo12:.LANCHOR0 < ldr x0, [x0] --- > ldr x0, [x0,#:lo12:.LANCHOR0] This causes: pr38151.c:(.text+0x10c): relocation truncated to fit: R_AARCH64_LDST64_ABS_LO12_NC against `.rodata' collect2: error: ld returned 1 exit status. If I however increase the alignment of .rodata where .LANCHOR0 is defined, this passes. Is alignment of BITS_PER_UNIT valid for SYMBOL_REF? If I change it as I am doing this attached patch, is there anything else I need to do. Thanks, Kugan

11 years, 3 months

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linaro/eglibc 2.19

by Khem Raj

Hi Linaro'ites We have upgraded eglibc to 2.19 in OpenEmbedded and I started to notice WARNING: No recipes available for: /home/kraj/angstrom/sources/meta-linaro/meta-linaro-toolchain/recipes-core/eglibc/eglibc_2.18.bbappend NOTE: Resolving any missing task queue dependencies And it seems in this bbappend the SRC_URIs are overridden to point to a Linaro release of eglibc I wanted to know if there is a 2.19 head for linaro eglibc being created ? in that case that bbappend needs fixing too. Thanks -Khem

11 years, 3 months

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Re: Reg: Recommended options for aarch64

by Matthew Gretton-Dann

Ganesh, Thank you for your email - please note this question is best directed at linaro-toolchain(a)lists.linaro.org where it is more likely to get picked up quickly. Our general rules for benchmarking are to use -mcpu=cortex-a## -O3 as the compiler flags (where ## is the particular CPU you are interested in). Linaro's philosophy is to try and get the best results possible that normal users will see, we don't go looking for 'magic' options that may give better performance on one benchmark, but not in general. Thanks, Matt On 20 February 2014 09:22, Gopalasubramanian, Ganesh <Ganesh.Gopalasubramanian(a)amd.com> wrote: > Hi, > > We would like to run some benchmarks in the foundation model. > I like to know which is the best option-set (GCC compiler options) that the linaro community recommends for aarch64. > > Regards > Ganesh > -- Matthew Gretton-Dann Linaro Toolchain Working Group matthew.gretton-dann(a)linaro.org

11 years, 3 months

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[ACTIVITY] 10-14 FEB 2014

by Kugan

== Progress == - vectorizer (7/10) - Looked into vectorizer target-hooks - enablement of half-float for vectorising; dropped the patch after discussing - Started analysing code generated with unlimited model - gcc 4.8 regression (1/10) - Built Novemnebr and December release (native with system libc) - Ran spec2k fp. Can see regression for ammp with -O3 (with -march=armv7-a and -mthumb) -Started bisecting - Chromebook reset-up (2/10) - SD card died and setup again - Using hdd for gcc testing == Plan == - Check ARMv5 regression for unaligned access - Look into vectorizer cost model/benchmarking

11 years, 3 months

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linaro toolchain recipe updates

by Khem Raj

The following changes since commit aa242029aa5eecc84a27f2ba026e8fedaf925dbd: Merge "linaro-image-lng: add package lng-network-config" (2014-02-14 16:24:51 +0000) are available in the git repository at: git://github.com/kraj/meta-linaro master for you to fetch changes up to e4b9751778fe7772185f12cbd29453bf80460546: binutils: Rename version to linux-2.24 (2014-02-16 05:16:00 +0000) ---------------------------------------------------------------- Khem Raj (3): gcc: Lets not override OE-Core gcc gcc-linaro-4.7: Delete binutils: Rename version to linux-2.24 .../binutils/binutils-cross-canadian.inc | 29 - .../binutils/binutils-cross-canadian_2.24.bb | 3 - .../binutils-cross-canadian_linaro-2.24.bb | 3 + .../recipes-devtools/binutils/binutils-cross.inc | 27 - .../binutils/binutils-cross_2.24.bb | 3 - .../binutils/binutils-cross_linaro-2.24.bb | 3 + ...dk_2.24.bb => binutils-crosssdk_linaro-2.24.bb} | 2 +- ...{binutils-2.24.inc => binutils-linaro-2.24.inc} | 5 +- .../binutils-armv5e.patch | 0 .../binutils-poison.patch | 0 .../binutils-uclibc-100-uclibc-conf.patch | 0 ...binutils-uclibc-300-001_ld_makefile_patch.patch | 0 ...binutils-uclibc-300-006_better_file_error.patch | 0 ...ils-uclibc-300-012_check_ldrunpath_length.patch | 0 .../binutils-uclibc-gas-needs-libm.patch | 0 .../binutils-xlp-support.patch | 0 .../fix-pr15815.patch | 0 .../libiberty_path_fix.patch | 0 .../libtool-2.4-update.patch | 0 .../libtool-rpath-fix.patch | 0 .../mips64-default-ld-emulation.patch | 0 .../relocatable_sdk.patch | 0 .../recipes-devtools/binutils/binutils.inc | 148 -- .../{binutils_2.24.bb => binutils_linaro-2.24.bb} | 4 +- .../recipes-devtools/gcc/gcc-4.7.inc | 145 - ...-vis_hide-gen-hide-list-Do-not-make-defin.patch | 93 - ...USE_PT_GNU_EH_FRAME-Define-for-systems-us.patch | 49 - .../gcc/gcc-4.7/100-uclibc-conf.patch | 39 - .../gcc/gcc-4.7/200-uclibc-locale.patch | 2810 -------------------- .../gcc/gcc-4.7/203-uclibc-locale-no__x.patch | 235 -- 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.../recipes-devtools/gcc/gcc-4.7/disablesdt.patch | 66 - .../gcc/gcc-4.7/fix-g++-sysroot.patch | 428 --- .../gcc/gcc-4.7/fortran-cross-compile-hack.patch | 32 - .../gcc-4.7/gcc-4.3.1-ARCH_FLAGS_FOR_TARGET.patch | 33 - .../gcc-4.3.3-SYSROOT_CFLAGS_FOR_TARGET.patch | 116 - .../gcc/gcc-4.7/gcc-argument-list-too-long.patch | 33 - .../gcc-4.7/gcc-armv4-pass-fix-v4bx-to-ld.patch | 31 - .../gcc/gcc-4.7/gcc-poison-dir-extend.patch | 27 - .../gcc-4.7/gcc-poison-system-directories.patch | 223 -- .../gcc-uclibc-locale-ctype_touplow_t.patch | 72 - .../gcc/gcc-4.7/libgcc-sjlj-check.patch | 61 - .../recipes-devtools/gcc/gcc-4.7/libtool.patch | 29 - .../gcc/gcc-4.7/mips64-default-n64.patch | 19 - .../gcc/gcc-4.7/optional_libstdc.patch | 86 - .../gcc/gcc-4.7/ppc_no_crtsavres.patch | 72 - .../gcc/gcc-4.7/ppc_with_cpu.patch | 752 ------ .../gcc/gcc-4.7/ppce5500-e6500-support.patch | 713 ----- .../recipes-devtools/gcc/gcc-4.7/pr32219.patch | 72 - .../gcc/gcc-4.7/rs6000-tables.patch | 135 - 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| 2 - .../recipes-devtools/gcc/gcc-runtime_4.7.bb | 3 - .../recipes-devtools/gcc/gcc-runtime_linaro-4.7.bb | 2 - .../recipes-devtools/gcc/gcc_4.7.bb | 2 - .../recipes-devtools/gcc/gcc_linaro-4.7.bb | 4 - .../recipes-devtools/gcc/libgcc_4.7.bb | 3 - .../recipes-devtools/gcc/libgcc_linaro-4.7.bb | 2 - 94 files changed, 12 insertions(+), 8632 deletions(-) delete mode 100644 meta-linaro-toolchain/recipes-devtools/binutils/binutils-cross-canadian.inc delete mode 100644 meta-linaro-toolchain/recipes-devtools/binutils/binutils-cross-canadian_2.24.bb create mode 100644 meta-linaro-toolchain/recipes-devtools/binutils/binutils-cross-canadian_linaro-2.24.bb delete mode 100644 meta-linaro-toolchain/recipes-devtools/binutils/binutils-cross.inc delete mode 100644 meta-linaro-toolchain/recipes-devtools/binutils/binutils-cross_2.24.bb create mode 100644 meta-linaro-toolchain/recipes-devtools/binutils/binutils-cross_linaro-2.24.bb rename meta-linaro-toolchain/recipes-devtools/binutils/{binutils-crosssdk_2.24.bb => binutils-crosssdk_linaro-2.24.bb} (83%) rename meta-linaro-toolchain/recipes-devtools/binutils/{binutils-2.24.inc => binutils-linaro-2.24.inc} (93%) rename meta-linaro-toolchain/recipes-devtools/binutils/{binutils-2.24 => binutils-linaro-2.24}/binutils-armv5e.patch (100%) rename meta-linaro-toolchain/recipes-devtools/binutils/{binutils-2.24 => binutils-linaro-2.24}/binutils-poison.patch (100%) rename meta-linaro-toolchain/recipes-devtools/binutils/{binutils-2.24 => binutils-linaro-2.24}/binutils-uclibc-100-uclibc-conf.patch (100%) rename meta-linaro-toolchain/recipes-devtools/binutils/{binutils-2.24 => binutils-linaro-2.24}/binutils-uclibc-300-001_ld_makefile_patch.patch (100%) rename meta-linaro-toolchain/recipes-devtools/binutils/{binutils-2.24 => binutils-linaro-2.24}/binutils-uclibc-300-006_better_file_error.patch (100%) rename meta-linaro-toolchain/recipes-devtools/binutils/{binutils-2.24 => binutils-linaro-2.24}/binutils-uclibc-300-012_check_ldrunpath_length.patch (100%) rename meta-linaro-toolchain/recipes-devtools/binutils/{binutils-2.24 => binutils-linaro-2.24}/binutils-uclibc-gas-needs-libm.patch (100%) rename meta-linaro-toolchain/recipes-devtools/binutils/{binutils-2.24 => binutils-linaro-2.24}/binutils-xlp-support.patch (100%) rename meta-linaro-toolchain/recipes-devtools/binutils/{binutils-2.24 => binutils-linaro-2.24}/fix-pr15815.patch (100%) rename meta-linaro-toolchain/recipes-devtools/binutils/{binutils-2.24 => binutils-linaro-2.24}/libiberty_path_fix.patch (100%) rename meta-linaro-toolchain/recipes-devtools/binutils/{binutils-2.24 => binutils-linaro-2.24}/libtool-2.4-update.patch (100%) rename meta-linaro-toolchain/recipes-devtools/binutils/{binutils-2.24 => binutils-linaro-2.24}/libtool-rpath-fix.patch (100%) rename meta-linaro-toolchain/recipes-devtools/binutils/{binutils-2.24 => binutils-linaro-2.24}/mips64-default-ld-emulation.patch (100%) rename 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meta-linaro-toolchain/recipes-devtools/gcc/gcc-4.7/use-ml-conf-files-from-B.patch delete mode 100644 meta-linaro-toolchain/recipes-devtools/gcc/gcc-4.7/wcast-qual-PR55383.patch delete mode 100644 meta-linaro-toolchain/recipes-devtools/gcc/gcc-cross-canadian_4.7.bb delete mode 100644 meta-linaro-toolchain/recipes-devtools/gcc/gcc-cross-canadian_linaro-4.7.bb delete mode 100644 meta-linaro-toolchain/recipes-devtools/gcc/gcc-cross-initial_4.7.bb delete mode 100644 meta-linaro-toolchain/recipes-devtools/gcc/gcc-cross-initial_linaro-4.7.bb delete mode 100644 meta-linaro-toolchain/recipes-devtools/gcc/gcc-cross_4.7.bb delete mode 100644 meta-linaro-toolchain/recipes-devtools/gcc/gcc-cross_linaro-4.7.bb delete mode 100644 meta-linaro-toolchain/recipes-devtools/gcc/gcc-crosssdk-initial_4.7.bb delete mode 100644 meta-linaro-toolchain/recipes-devtools/gcc/gcc-crosssdk-initial_linaro-4.7.bb delete mode 100644 meta-linaro-toolchain/recipes-devtools/gcc/gcc-crosssdk_4.7.bb delete mode 100644 meta-linaro-toolchain/recipes-devtools/gcc/gcc-crosssdk_linaro-4.7.bb delete mode 100644 meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-4.7.inc delete mode 100644 meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-4.7/64bithack.patch delete mode 100644 meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-4.7/fix-g++-sysroot.patch delete mode 100644 meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-4.7/gcc-4.3.1-ARCH_FLAGS_FOR_TARGET.patch delete mode 100644 meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-4.7/optional_libstdc.patch delete mode 100644 meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-4.7/use-defaults.h-and-t-oe-in-B.patch delete mode 100644 meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-common-4.7.inc delete mode 100644 meta-linaro-toolchain/recipes-devtools/gcc/gcc-runtime_4.7.bb delete mode 100644 meta-linaro-toolchain/recipes-devtools/gcc/gcc-runtime_linaro-4.7.bb delete mode 100644 meta-linaro-toolchain/recipes-devtools/gcc/gcc_4.7.bb delete mode 100644 meta-linaro-toolchain/recipes-devtools/gcc/gcc_linaro-4.7.bb delete mode 100644 meta-linaro-toolchain/recipes-devtools/gcc/libgcc_4.7.bb delete mode 100644 meta-linaro-toolchain/recipes-devtools/gcc/libgcc_linaro-4.7.bb

11 years, 3 months

2
9
0 0

-mfpu=softvfp+vfp in LLVM

by Renato Golin

Richard, I found some emails about you implementing softvfp back in 2003, and I'd like to know what is the expected behaviour when it conflicts with the target triple, for example: -triple arm-linux-gnueabihf + -mfpu=sofvfp+vfp In this case, in LLVM, the triple sets "-float-abi=hard" but the fpu would set "+soft-float-abi", which are contradictory flags. Is that case even possible? If so, what's the expected behaviour? Soft or hard float? Do the extra flags always override the triple behaviour? Is it expected that *every* compiler flag will work on a last-seen-sets-behaviour manner? cheers, --renato

11 years, 3 months

2
2
0 0

[ACTIVITY] February 10-16

by Maxim Kuvyrkov

== Week of February 10th == - Reproduced STREAM performance regression. Started investigation. (3/10) - Setup development environment on HP Chromebook 11. (3/10) -- Chrome OS + crouton + ubuntu 12.04 + ppa/chromebook-arm -- produced a nice dev board environment. - Continued account setup and preparations for Connect. (2/10) - Misc. (2/10) -- Various meetings. -- Volunteered as admin for GCC's GSoC 2014. Filled in the application, started to stir up buzz in the GCC community. == Week of February 17th == - Continue investigation of STREAM performance regression. - Prepare FSF GCC 4.10 presentation for Connect. - Look more into how LAVA does things and how to customize rootfs'es for boards. -- In particular I'm interested in how to boot rootfs with matching kernel and linux-tools (perf is what I need) with ssh server on keystone board. -- Maxim Kuvyrkov www.linaro.org

11 years, 3 months

1
0
0 0

[ACTIVITY] 10 - 14 Feburary 2014

by Omair Javaid

== Progress == * Updated, tested and re-submitted patch for arm native watchpoint/hwbreak rework. [2/10] * Updated, split-up and tested patches for process record ASIMD, VFP etc support. [TCWG-251] [TCWG-252] [3/10] * Tried setting up gdb for aarch64, no luck yet. [TCWG-389] [1/10] * Investigation of work required for catchpoints support for remote gdb and gdbserver. [TCWG-263] [2/10] * Study armv8 instruction set for record replay support. [TCWG-389] [2/10] == Plan == * Follow up on upstream patches. * Study aarch64 code and create task breakdown for record/replay support. [TCWG-389] * Setup gdb for aarch64 and try to run a demo application. [TCWG-389] * Write how-to for using scripts to compare two gdb testsuite runs. [TCWG-96] * Out of office on Tuesday and Wednesday for follow up on Macau visa application.

11 years, 3 months

1
0
0 0

[ACTIVITY] Week 7

by Yvan Roux

== Issues == * none == Progress == * 4.8 2014.02 Engineering release. (3/10) * TCWG-58 : AArch64: Enable libsanitizer (2/10) o re-based christophe's patch on fresh LLVM sources. o committed in LLVM (Thanks Renato for your help) o Progress stopped on this card until 4.10 GCC is opened * LRA on AArch32: o TCWG-343 : Make LRA the default for the ARM backend (0/10) - No progress this week on my side. - Vladimir upstreamed a fix for Thumb code size regression http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59535 o TCWG-345 : Analyse performance of LRA for ARM. (1/10) - re-run Spec2K on Cortex-a15. * Misc: o LCA'14 : AArch64 toolchain status session. (1/10) o Support Christian Bruel in his Linaro ramp up. (1/10) o Various meetings. (2/10) == Next == * Continue the on-going tasks * backports review

11 years, 3 months

1
0
0 0

[ACTIVITY] Week 07

by Zhenqiang Chen

== Issues == * None == Progress == * Take care lp: 1270040, lp:1278337 and Beagleboard "Abort" issue. * Respawn 2014.01 release to use newlib-linaro-2.1.0-2014.02 for baremetal toolchains (http://cbuild.validation.linaro.org/binaries/2014.01-01/) * Test codes to duplicate shared compares to get more conditional compares. Fix the bootstrap issue. But the latest test does not show performance improvement in Spec2K. * Rebase and test the CCMP patch. * Read document about aarch64 CCMP/CCMN instructions and write codes/patterns to generate the instructions. Test is ongoing. == Plans == * Ccmp for AARCH64.

11 years, 3 months

1
0
0 0

[Activity] Feb 10-16

by Rob Savoye

== Progress == * Figure how to have tcwgweb and cbuild-tools process the test results from Jenkins and produce the diffs for comparison. (TCWG-391 6/10) * Wrote script to convert Jenkins produced data files to tcwgweb format. (TCWG-391 1/10) * Meetings and misc. (3/10) - Worked on LCA14 presentation. == Plan == * Continue fighting with tcwgweb to run test comparisons for Jenkins builds. TCWG-391) * Now that SSH is setup correctly in the TCWG build farm, GCC testing tries to execute the remote tests, but hit's an error in DejaGnu, which needs to be debugged and fixed. (TCWG-324) == Leave == * Off to Nepal & Mt Everest after Connect.

11 years, 3 months

1
0
0 0

[Weekly] 10-14 FEB 2014

by Michael Collison

== This week == Monday - Off Reworked backports off origin instead of crypto-backport branch. Also used read/write git branch to push - Affected backports 201164-206168, 201170, 201175, 201261, 201263 and 202020 Submitted backports for code review via git review - Aarch64 ILP backports: 201164-206168, 201170, and 201175 - Aarch64 support for NEG in vectors registers: 201261 and 201263 - Aarch64 support for SISD shifts: 202020 == Next week == Submit backport 202256 for code review Backport 202407 assigned to me == Future == Things you plan to do in the future. -- Michael Collison Linaro Toolchain Working Group michael.collison(a)linaro.org

11 years, 3 months

1
0
0 0

[ACTIVITY] Week 7

by Renato Golin

== Progress == * IAS (TCWG-377) - Stopping progress on .dn/.qn aliases, not suitable for IAS atm. - Working on softvfp+vfp aliases (PR18689) * EHABI (TCWG-124) - Removed -arm-disable-ehabi - Waiting for Keith's patch to work on EHABI respecting uwtables * Compiler-RT (TCWG-125) - Adding sanitizer guidelines for GCC developers - Implemented --rtlib=compiler-rt for Linux targets - Test-suite runs fine, only one error (PR18812) * AArch64 (TCWG-387) - First native builds, updating config.guess/sub (license issues) - Found some JIT problems, unittests should be disabled - Found some memory test failures - Found 20 failures in test-suite * Background - Usual patch reviews & discussions - Started a fire on GCC list, will monitor interactions closer - Had a BoF accepted at the GNU Cauldron about GCC+LLVM collaboration - Discussing possible LTO changes to binutils with GCC devs - Helping Christophe/Yvan add AArch64 support for asan * Time - CARD-862 8/10 - Others 2/10 == Plan == * Continue softvfp in Clang's driver * Work on Dwarf unwind tables * Investigate RT and AArch64 failures

11 years, 3 months

1
0
0 0

[ACTIVITY] 10 - 14 February 2014

by Will Newton

== Progress == * newlib 2.1.0-2014.02 release (2/10) * Research and analysis of malloc workloads for benchmarking (2/10, TCWG-160) * QEMU ARMv8 CRC instructions (4/10, TCWG-52) * Slides for Connect (1/10) * Misc. patch management and looking at bugs (1/10) == Issues == * None == Plan == * QEMU CRC instructions * Finalize slides for Connect * malloc -- Will Newton Toolchain Working Group, Linaro

11 years, 3 months

1
0
0 0

[ANNOUNCE] Linaro GCC 4.8 2014.02 released

by Yvan Roux

The Linaro Toolchain Working Group is pleased to announce the 2014.02 engineering release of Linaro GCC 4.8. As announced at Linaro Connect USA 2013 Linaro GCC is moving to a pattern of quarterly stable releases, with engineering releases in the intervening months. This is the first engineering release. The next stable release will be the 2014.04 release. Linaro GCC 4.8 2014.02 is the eleventh release in the 4.8 series. Based off the latest GCC 4.8.3+svn207411 release, it includes performance improvements and bug fixes. Interesting changes include: * Updates to GCC 4.8.3+svn207411 * ARM-v8 crypto intrinsics support * New vectorizer cost model The source tarball is available from: http://releases.linaro.org/14.02/components/toolchain/gcc-linaro/4.8 Downloads are available from the Linaro Releases website: http://www.linaro.org/downloads/ More information on the features and issues are available from the release page: https://launchpad.net/gcc-linaro/4.8/4.8-2014.02 Mailing list: http://lists.linaro.org/mailman/listinfo/linaro-toolchain Bugs: https://bugs.launchpad.net/gcc-linaro/ Questions? https://ask.linaro.org/ Interested in commercial support? Inquire at support(a)linaro.org

11 years, 3 months

1
0
0 0

Fwd: seemingly bug in Linaro gcc 4.8

by Koen Kooi

This should match what we have in meta-linaro/dora, which is the linaro 2013.12 toolchain release. ---------- Forwarded message ---------- From: Koen Kooi <koen(a)dominion.thruhere.net> Date: 17 January 2014 19:35 Subject: Fwd: seemingly bug in Linaro gcc 4.8 To: Koen Kooi <koen.kooi(a)linaro.org> Begin doorgestuurd bericht: > Van: Khem Raj <raj.khem(a)gmail.com> > Onderwerp: seemingly bug in Linaro gcc 4.8 > Datum: 17 januari 2014 17:56:23 CET > Aan: Koen Kooi <koen(a)dominion.thruhere.net> > > Hey Koen > > I am seeing a problem with linaro gcc-48 basically angstrom/2013.12 release > The issue is attached sample C file. When compiled and run on my ArchLinux > box which is running upstream gcc 4.8.2 it works ok > > but on beagleboard it fails. > > > to compile > > $CXX -pthread -std=gnu++11 a.cpp > > on ARCH > > kraj@leo ~ > g++ b.cpp -std=gnu++11 -pthread > kraj@leo ~ > ./a.out > 140309495478016 i: 1 > 140309503870720 i: 2 > > on Beagleboard > > root@beagleboard:~# ./std-thread > pure virtual method called > terminate called without an active exception > Aborted > > Can you pass this to right folks in Linaro and get some help in resolving it > > I havent yet trried it with OE-Core gcc which is also gcc 4.8 > > The issue is most probably ARM related as it seems to me. > > Thanks for help > > -Khem >

11 years, 3 months

2
1
0 0

Configuration specifics of prebuilt libc binaries

by Evan Carson

Hello, I'm maintaining an older release we have which uses the older toolchian binaries in gcc-linaro-arm-linux-gnueabi-2012.03-20120326_linux. I've identified a bug in glibc we appear to be encountering and would like to port the fix back. I initially went the route of compiling the above toolchain binaries from source as described in the readme.txt but then found that the cross compiler binary build does not include the e/glibc build and these appear to be sucked in in binary form (oneiric-sysroot-r1). Are there any documents how these prebuilt libc binaries were created? Please note that I'm not asking in general how to build glibc. I've built a version with and without this bug patched to verify that it is indeed what we are hitting. I'm more hoping to get an idea of how the specific binaries mentioned above were built. Thanks in advance for any help! Evan Carson

11 years, 3 months

2
2
0 0

[Weekly] 3-7 FEB 2014

by Michael Collison

== This week == - Backported 206261 and 201263 - AArch64 support NEG in vector registers - Backported 202020 - Support SISD shifts - Backported 202259 - AARCH64, fix return types for vaddvq_s64, vaaddvq_u64 - Travel back to US on Friday, February 7th == Next week == - Submit backport for review once crypto instruction review is complete and approved - Continue backports from trunk - New backports == Future == -- Michael Collison Linaro Toolchain Working Group michael.collison(a)linaro.org

11 years, 3 months

1
0
0 0

linaro_binutils-2_24-2013_12_release tag and associated commits missing

by Gregory Fong

Hello, The binutils 2.24-2013.12 release page says that the release was built from the linaro_binutils-2_24-2013_12_release tag, but that tag doesn't seem to actually be present in the git repo at http://git.linaro.org/toolchain/binutils.git . Could that tag please be pushed? Thanks and regards, Gregory

11 years, 3 months

2
2
0 0

[Activity] Feb 3-9

by Rob Savoye

== Progress == * Cbuildv2 now builds a static gdbserver for cross linux targets. (1/10) * Fixed Cbuildv2 bugs and added feature requests from Venkat, who is bravely being our beta site. (1/10) * Got .sum files produced from Jenkins builds copied to tcwgweb. Much of this was getting everything setup to allow files to be copied securely. (TCWG-386 - 3/10) * QEMU image prep for softfp and Rasberry PI testing. (TCWG-380 - 2/10) * Meetings and misc. (3/10) - Tweaks to Jenkins support so build names the remote directory in a way tcwgweb expects. - Added more info to TCWG Build Farm wiki page. (https://wiki.linaro.org/TCWG%20build%20farm) == Plan == * Figure out how to make tcwgweb run test comparisons. * Now that SSH is setup correctly in the TCWG build farm, GCC testing tries to execute the remote tests, but hits an error in DejaGnu, which needs to be debugged and fixed. (TCWG 324) * Add Win32 installer for Canadian cross built binary releases to Cbuildv2. (TCWG-381)

11 years, 3 months

1
0
0 0

[ACTIVITY] Week 6

by Yvan Roux

== Issues == * none == Progress == * LRA on AArch32: o TCWG-343 : Make LRA the default for the ARM backend (0/10) - No progress this week. o TCWG-345 : Analyse performance of LRA for ARM. (3/10) - Continue analysis on Cortex-a15. * LRA on AArch64: (2/10) o Start to look at PR 59222 (ICE with ILP32). * Branch merge and backports reviews. (2/10) * Continued Linaro 4.8 release performance on Cortex-a15. (2/10) * Various meetings. (1/10) * Misc: o start to prepare AArch64 toolchain status for Connect session. == Next == * Continue the on-going tasks * 4.8 2014.02 Engineering release

11 years, 3 months

1
0
0 0

[ACTIVITY] 3-7 February 2014

by Christophe Lyon

== Progress == * Libsanitzer for AArch64: (3/10) - QEMU patch to handle missing mmap flag accepted. - Charles was able to build GCC + run the sanitizer tests on board - cleanup patch, ready to be sent to the LLVM list for approval * Cross-validation: (1/10) - extending timeout to 5h for aarch64-linux seems to be sufficient when using qemu-aarch64 * 2014.02 release preparation: (4/10) - branch merge - backported new vectorizer cost model (cheap, dynamic, unlimited), and ran some benchmarks. - asked Kugan to check the few improvements observed when using -fvect-cost-model=unlimited - reviewed Crypto intrinsics backport from Michael Collison. Discussed the use of gerrit+jenkins with him and Rob. - Charles ran the validation of the Crypto intrinsics backport on AArch64 hardware - I cross-validated it using binutils-linaro-2.24-2013.12, to make sure we release components capable enough to interoperate. - upgrading binutils in cbuildv1/tcwg-web would help, until we can switch to jenkins+cbuildv2+gerrit * Misc (2/10): conf-calls, meetings == Next == * libsanitizer on AArch64: post patch to LLVM list * crypto intrinsics: commit patch for 2014.02 release

11 years, 3 months

1
0
0 0

[ACTIVITY] 3 - 7 Feburary 2014

by Omair Javaid

== Progress == * Short week: Public holiday on Wednesday 5th Feburary 2014. [2/10] * Ran gdb testsuites for arm and x86 (native + remote) with all in progress patches applied. [1/10] * Investigated and triaged arm only failures. [2/10] * Investigated gdb.dwarf2/implptr-64bit.exp failure and submitted patch to disable it for 32-bit targets.[2/10] * Installation and configuration of new desktop machine. [1/10] * Investigation of stack unwinding failures on arm. [1/10] * Investigation of work required to implement record and replay on aarch64. [1/10] == Plan == * Setup gdb for aarch64 and try to run a demo application. * Investigate remaining arm only failures in gdb for arm and work towards closeout of CARD-321. * Travel to Islamabad to receive passport back from Chinese embassy for Macau visa.

11 years, 3 months

1
0
0 0

[ACTIVITY] February 3-9

by Maxim Kuvyrkov

== Week of February 3rd == - Various administrative bits and account setup. (6/10) - Worked my way through to getting access to LAVA board lab. Tried to reproduce performance regression on STREAM benchmark. (2/10) - Public holiday. (2/10) == Week of February 10th == - Continue account setup. Get work environment up. - Get to know the team. - Continue investigation of STREAM benchmark. -- Maxim Kuvyrkov www.linaro.org

11 years, 3 months

1
0
0 0

[ACTIVITY] Week 05 & 06

by Zhenqiang Chen

== Issues == * None == Progress == * Jan. 31 - Feb. 6: Chinese Spring Festival holidays . * Test codes to duplicate shared compares to get more conditional compares. But still get unexpected bootstrap fail on Chrome book. * Test codes to enable shrink-wrap for TARGET_APCS_FRAME. * Update patch for PR 59837. * Create a reference linaro-arm-linux-gnueabihf-raspbian build . == Plans == * Tuning ccmp performance * Enable shrink-wrap for TARGET_APCS_FRAME.

11 years, 3 months

1
0
0 0

[ACTIVITY] 3 -7 February 2014

by Kugan

== Progress == - Started implementing TARGET_ATOMIC_ASSIGN_EXPAND_FENV (5/10) - Regression testing with the implementation; found some issues and discussed with Matt - Working on fixing them - Patch for Vectorizer generates unaligned access when -mno-unaligned-access committed upstream (2/10) - This also triggered some regression with ARMv5 and looking into them (2/10) - Set-up qemu aarch64 for gcc testing (1/10) == Plan == - Check ARMv5 regression for unaligned access - Look into vectorizer cost model/benchmarking

11 years, 3 months

1
0
0 0

Yocto Build of Toolchain with package tool rpm doesn't like the "dash" in the Release

by Gary Hannon

This is an attempt to build TI mcsdk 3.0.3.15 with bitbake tisdk-server-rootfs-image It fails trying to make rpms for the linaro toolchain. | DEBUG: Python function write_specfile finished | DEBUG: Executing shell function BUILDSPEC | error: line 4: invalid tag value("^[A-Za-z0-9+._]+$") Release: Release: r2-arago3 | error: Package has no %description: external-linaro-toolchain-2.15.armv7ahf_vfp_neon | Building target platforms: armv7ahf_vfp_neon-oe-linux-gnueabi | DEBUG: Python function do_package_rpm finished | DEBUG: Python function do_package_write_rpm finished | ERROR: Function failed: BUILDSPEC (see /home2/ghannon/keyDSP/build/mcsdk/build/arago-tmp-external-linaro-toolch ain/work/armv7ahf-vfp-neon-oe-linux-gnueabi/external-linaro-toolchain-20 13.03-r2-arago3/temp/log.do_package_write_rpm.8491 for further information) ERROR: Task 40 (/home2/ghannon/keyDSP/build/mcsdk/sources/meta-linaro/recipes-devtools/ external-linaro-toolchain/external-linaro-toolchain.bb, do_package_write_rpm) failed with exit code '1' If I change Release: r2-arago3 to not have a - in the spec file then I can build the rpms manually with the same command. Is there a place where I can change that globally? Gary Hannon Sr. Software Engineer CSP Inc. 43 Manning Road Billerica, MA 01821 978-663-7598 x1509 ghannon(a)cspi.com

11 years, 3 months

1
0
0 0

[ACTIVITY] Week 6

by Renato Golin

== Progress == * IAS - Having a go at .dn/.qn aliases - Some Dwarf 2/3 discussions, kernel build flags, etc * EHABI - Tables being generated even when no EH in C - Will need some tinkering in Clang and LLVM - Huge discussion about EHABI, Dwarf unwinding and exception tables - Starting the refactory of EHABI to cope with the differences * Compiler-RT - Finding the best way to use compiler-RT with Clang (not an easy task!) * Background - Usual patch reviews & discussions - Mapping AArch64 features implemented for Connect session - Playing with the Calxedas for some benchmarks * Time - CARD-862 8/10 - Others 2/10 == Plan == * Continue with EHABI refactoring * Implement --rtlib in Clang for compiler-rt usage * Continue .dn/.qn implementation

11 years, 3 months

1
0
0 0

[ACTIVITY] 3 -7 February 2014

by Will Newton

== Progress == * 3 day week * Further work on longjmp/setjmp Systemtap probes on ARM (1/10, TCWG-378) * Research and analysis of malloc workloads for benchmarking (5/10, TCWG-160) == Issues == * None == Plan == * More work on an application level malloc benchmark framework * Resurrect glibc benchmark graphing script * newlib release * gdb 7.7 release (build an rc to troubleshoot releasing from git) -- Will Newton Toolchain Working Group, Linaro

11 years, 3 months

1
0
0 0

kernel support for cortex A8 hardware watchpoints

by Marc Kleine-Budde

Hello Ulrich, I'm on a freescale mx53 (single core, cortex a8) and trying to find a nasty problem in our $CUSTOMER's application. Working hardware watch point support in gdb should solve the problem, or at least brings us a big step forward. I stumbled over your about three years old thread[1] about the cortex a8 memory mapped debug registers problem. Do I understand correctly, that you had a8 watch point running on at least one board? Have you got any code and or pointers to get watch point support running? regards, Marc Kleine-Budde [1] http://lists.linaro.org/pipermail/linaro-toolchain/2011-February/000820.html -- Pengutronix e.K. | Marc Kleine-Budde | Industrial Linux Solutions | Phone: +49-231-2826-924 | Vertretung West/Dortmund | Fax: +49-5121-206917-5555 | Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de |

11 years, 4 months

3
3
0 0

Linaro GNU Compiler (GCC) toolchain : for Renesas RZ (ARM Cortex-A9) + FreeRTOS (Demo Project)

by Steffen Sprung

*Hi LINARO-TEAM,* I would like start a software development on a “Renesas RZ (ARM Cortex-A9) MPU (R7S721010xxx” by using Eclipse IDE (Kepler - 4.3.1). > Global objective = Use free SW development tools I have read, that the “Linaro GCC Toolchain Release Supports Full Range of ARM Cortex-A Processors” and it’s an open source software for the ARM architecture, including the GCC toolchain. > Well – I think that is what I need. So, I have installed the Linaro Toolchain (gcc-arm-none-eabi-4_7-2013q3-20130916-win32.exe) and test the compilation of the “*Hello World ARM C Project*” for the Target Processor “cortex-A9” > So, the compilation is OK. *NOW, I would like prepare a small TEST-Project with FreeRTOS.* FreeRTOSV8.0.0_Release_Candidate_2 > I have found the “Renesas RZ (ARM Cortex-A9) RTOS Demo”: http://www.freertos.org/Renesas_RZ_Cortex-A9-RTOS.html But the two projects are provided to be built with the* IAR Embedded Workbench <http://www.iar.com/ewarm>* or the *ARM DS-5 <http://arm.com/products/tools/software-tools/ds-5/index.php> embedded development tools*. > I have seen that the DS-5 Development Studio is not for free but it use also the Linaro GNU Compiler (GCC) toolchain. So, I have tried to import the “Renesas RZ (ARM Cortex-A9) RTOS Demo” project to Eclipse, *but the import doesn’t work – and I’m not sure that the project uses the Linaro GNU GCC Compiler**.* > I think that Demo project for DS-5 use also special plugins/configuration settings from the Development Studio – so this can’t work ?!… *HELP:* *I’m new in the “Eclipse IDE / Compiler (GCC) toolchain” WORLD … * So, can you help me to give me a good direction - *what I need to do *to make running this small “Blinky-Demo for Renesas RZ (ARM Cortex-A9) with the FreeRTOS” by using the Linaro GCC Toolchain. > Or have you another small Demo project for the Linaro GCC Toolchain which uses the FreeRTOS for the Renesas RZ (ARM Cortex-A9) family? … Or you think that is not easily possible to do that for a Newcomer like me? I hope that you can help me to put me on the right road. Best regards, *Steffen SPRUNGACTIA Automotive* ================= Software Engineer ================= *ACTIA* Automotive 5 Rue Jorge SEMPRUN – BP 74215 31432 TOULOUSE Cedex 4 (FRANCE) Tél.: + 33 (0)5 61 17 68 75 Fax: +33 (0)5 61 55 42 31 Skype: steffen.sprung EMAIL: steffen.sprung(a)actia.fr ACTIA: http://www.actia.com [image: image001] *P* Avant d’imprimer ce mail, demandez-vous si ceci est nécessaire. Before printing this email, assess if it is really needed.

11 years, 4 months

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systemtap test suite compilation failed: runtime/vma.c :133:21: error: pointer targets in initialization differ in signedness

by Naresh Kamboju

Hi, The systemtap test suite compilation failed with below error. ARCH: arm --------------- kernel location: kernel version: 3.13.0-1-linaro-arndale systemtap location: /usr/local/bin/stap systemtap version: version 2.5/0.157, non-git sources gcc location: /usr/bin/gcc gcc version: gcc (Ubuntu/Linaro 4.8.1-10ubuntu8) 4.8.1 **** failed systemtap kernel-devel smoke test: In file included from /usr/local/share/systemtap/runtime/sym.c:16:0, from /usr/local/share/systemtap/runtime/linux/runtime.h:198, from /usr/local/share/systemtap/runtime/runtime.h:24, from /tmp/stapvEzrD5/stap_f7468ebd0051d533d2bae853173fe5a7_892_src.c:24: /usr/local/share/systemtap/runtime/vma.c: In function '_stp_vma_mmap_cb': /usr/local/share/systemtap/runtime/vma.c:133:21: error: pointer targets in initialization differ in signedness [-Werror=pointer-sign] const char *name = (dentry != NULL) ? dentry->d_name.name : NULL; ^ cc1: all warnings being treated as errors make[4]: *** [/tmp/stapvEzrD5/stap_f7468ebd0051d533d2bae853173fe5a7_892_src.o] Error 1 make[3]: *** [_module_/tmp/stapvEzrD5] Error 2 WARNING: kbuild exited with status: 2 Pass 4: compilation failed. [man error::pass4] **** aborting testing. Please let me know if you need more information. Best regards Naresh kamboju

11 years, 4 months

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[ACTIVITY] 27 - 31 January 2014

by Omair Javaid

== Progress == * Fixed remaining issues in rework of hwbreakpoint and watchpoint implementation for arm native targets. Tested and submitted patch. [TCWG-177] [8/10] * Installation and Setting up of new desktop machine. [2/10] == Plan == * Run testsuites to see current status of arm gdb. * Follow up on submitted patches. * Public holiday on Wednesday 5th February.

11 years, 4 months

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[ACTIVITY] 27-31 Januery 2014

by Christophe Lyon

* Libsanitizer for AArch64: (4/10) - seems to be mostly working, but trouble with validation both using the Foundation Model and qemu-aarch64. - Some tests seems to loop forever while unwinding under qemu, but run fine under the Foundation model - Conversely the Foundation Model shows some random errors, and the corresponding tests pass under qemu - Some random timeouts with the Foundation Model, despite using ssh multiplexing - Added a small patch to qemu to hande missing mmap flag. Need to send upstream. - asked Rob to run GCC testsuite with my patch on AArch64 but it's too unstable these days * Cross-validation (2/10) - script now able to validate a GCC patch and compare results with unmodified GCC trunk - added arm-none-eabi target - using qemu-aarch64 for aarch64-none-linux-gnueabi but the validations now time out. Need investigation, but I might have to revert to no execution for this target. - identified a problem with the recent armv7-ve patch * Benchmarks: (1/10) - collecting data for 4.8 tables * Peeling: (1/10) - backported new vectorizer cost model to check it if's OK to include it in our next release * Misc (2/10): conf-calls, meetings, docs (howtos for TCWG) == Next == * libsanitizer on AArch64 * fix cross-validation on aarch64-none-linux-gnu * benchmarks: complete table * backports: chek new vectorizer cost model, monthly branch merge, review Michael's backports of Crypto intrinsics

11 years, 4 months

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[ACTIVITY] Week 5

by Yvan Roux

* 2 days week (university & child care). == Issues == * none == Progress == * LRA on AArch32: o TCWG-343 : Make LRA the default for the ARM backend (0/10) - No progress this week o TCWG-345 : Analyse performance of LRA for ARM. (1/10) - Configured and ran benchmarks on Cortex-a15. * Looked at Linaro 4.8 release performance on Cortex-a15. (2/10) * Misc. (1/10) o Booked Hotel and flight for connect == Next == * Back on LRA and lib GMP

11 years, 4 months

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[Activity] 27 Jan - 31 Jan 2014

by Venkataramanan Kumar

== Progress == * Investigate "PGO" for Aarch64 (3/10). Bootstap testing aarch64 with PGO for GCC.Stage 2, feedback profile in progress. Tested a small test case for -fbranch-probabilities, works same as x86_64. Working on checking the "gcda" files generated and profile runs for coremark. * Cbuild2 discussed with rob, ryan on using cbuild2 for developement. (3/10) Thanks Rob for fixing some issues and adding features that I requested. Tested some features added. Captured it as FAQ. * Reinstalled ubuntu OS on my laptop (2/10) Misc (2/10) ------------- AMD internal meetings and did some investigations == Plan == - Continue run EMBCC and coremark benchmarks with -PGO enabled. - Going on marriage vacation from 07-Feb till 06 March == Issues=== Follow up upstream libssp GCC discussions. No response yet after 2 pings :(

11 years, 4 months

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[ACTIVITY] 27 - 31 January 2014

by Kugan

== Progress == * 4 Day week (Monday Public Holiday) (6/10) * Posted patches for bugs assigned https://sourceware.org/ml/binutils/2014-01/msg00332.html http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60034 http://gcc.gnu.org/ml/gcc-patches/2014-02/msg00048.html * TARGET_ATOMIC_ASSIGN_EXPAND_FENV implementation (2/10) Looked at glibc implementations of required functionality == Plan == * Finish TARGET_ATOMIC_ASSIGN_EXPAND_FENV implementation * Follow up on patches if required

11 years, 4 months

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[Activity] Jan 27-Feb 2

by Rob Savoye

== Progress == * Got binary release building working again. (2/10) * Added a node_selector to Jenkins for the new Beagle Board Blacks, and get those working for native builds. (TCWG-379, 1/10) * Fix configuration of 'build-all' project in Jenkins, now fires up cross builds for supported targets, plus native builds on Chromebooks and Beagle Board Blacks. (1/10) make networking route externally. (TCWG-380) * Meetings and Misc. (3/10) * Got TCWG build farm, all nodes offline fixed. * Wrote wiki page on the build farm. * Updated Java to 1.6 on the Beagle Board Blacks in the TCWG build farm. * Added support to specify an alternate prefix for installation. * Got QEMU and Foundation Model running on TCWG x86_64 build slaves so Jenkins can use them for native builds. (TCWG-380 - 2/10) * Got Rasberry PI softfp image running under QEMU, tried to do build. (TCWG-380 - 1/10) == Plan == * Build static gdbserver for target via Cbuildv2. * Add Win32 installer for Canadian cross built binary releases to Cbuildv2. * Get Kugan's benchmark branch running on build farm. * More Jenkins maintainance. == Potential Leave == * Still working out the huge amount of details, but strongly considering going to Mt Everest after Connect. It'd be a long and rough trip, but a once in a lifetime opportunity.

11 years, 4 months

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[Weekly] 26-31 JAN 2014

by Michael Collison

== This week == - Successfully submitted crypto using git-review - Completed merge of ILP backports from trunk to Linaro 4.8 branch: 201164, 201165, 201166, 201167, 201168, 201170 and 201175 - Attended ARM architecture training on Friday == Next week == - Submit ILP backports for review using git review - New backports == Future ==

11 years, 4 months

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[ACTIVITY] 27 - 31 January 2014

by Will Newton

== Progress == * Rework QEMU patch for AArch32 ARMv8 16<->64bit VCVT (2/10, TCWG-51) * Further work on longjmp/setjmp Systemtap probes on ARM (4/10, TCWG-378) * Research and analysis of malloc workloads for benchmarking (4/10, TCWG-160) == Issues == * None == Plan == * Finish testing setjmp/longjmp changes * malloc benchmarking and improvements -- Will Newton Toolchain Working Group, Linaro

11 years, 4 months

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