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Re: [Linaro-TCWG-CI] gcc-17-2353-gee27c516c7b6: 1 regression on aarch64

by Dylan Rees

On Sun, Jul 19, 2026 at 07:12:50PM +0000, ci_notify(a)linaro.org wrote: > Dear contributor, > > Our automatic CI has detected problems related to your patch(es). Please find some details below. > > In aarch64 cross, after: > | commit gcc-17-2353-gee27c516c7b6 > | Author: Dylan Rees <dylan.rees(a)arm.com> > | Date: Mon Jul 13 09:57:17 2026 +0000 > | > | aarch64: Improve simd highpart builtin folding > | > | The current helper function folding calls to lowpart builtins into > | highpart builtins calls does not handle cases where we have a 64b > | wide uniform vector, which can be extended to 128b, used for > | ... 15 lines of the commit log omitted. > > Produces 1 regression: > | > | regressions.sum: > | Running gcc:gcc.target/aarch64/simd/simd.exp ... > | FAIL: gcc.target/aarch64/simd/fold_to_highpart_7.c check-function-bodies foo > > Used configuration : > *CI config* tcwg_gnu_cross_check_gcc aarch64-linux-gnu cross > *configure and test flags:* --target aarch64-linux-gnu --disable-multilib --enable-fix-cortex-a53-835769 --enable-fix-cortex-a53-843419 --with-arch=armv8-a > > We track this bug report under https://linaro.atlassian.net/browse/GNU-1974. (Require Linaro login) Please let us know if you have a fix. > > If you have any questions regarding this report, please ask on linaro-toolchain(a)lists.linaro.org mailing list. > > -----------------8<--------------------------8<--------------------------8<-------------------------- > > The information below contains the details of the failures, and the ways to reproduce a debug environment: > > You can find the failure logs in *.log.1.xz files in > * http://54.172.246.49:9090/jobs/tcwg_gnu_cross_check_gcc--master-aarch64-bui… > The full lists of regressions and improvements as well as configure and make commands are in > * http://54.172.246.49:9090/jobs/tcwg_gnu_cross_check_gcc--master-aarch64-bui… > The list of [ignored] baseline and flaky failures are in > * http://54.172.246.49:9090/jobs/tcwg_gnu_cross_check_gcc--master-aarch64-bui… > > Current build : http://54.172.246.49:9090/jobs/tcwg_gnu_cross_check_gcc--master-aarch64-bui… > Reference build : http://54.172.246.49:9090/jobs/tcwg_gnu_cross_check_gcc--master-aarch64-bui… > > Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/s… > > Full commit : See in git+ssh://linaroci@gcc.gnu.org/git/gcc.git This should be fixed by: https://gcc.gnu.org/pipermail/gcc-patches/2026-July/725423.html Issue is with 'ssa_uniform_vector_p' which does not handle vector duplicates where the splat is the RHS of an SSA definition. Best, Dylan 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.

3 months, 1 week

Re: [Linaro-TCWG-CI] llvmorg-23-init-20756-gd445267fbb56: 2 regressions on aarch64

by Yasuyuki Ohno (Fujitsu)

Hi, The tests are incorrect. The causes are as follows. The test programs perform an exact comparison of a single-precision floating-point result. Because it is compiled with -msve-vector-bits=scalable, the generated code adapts to the SVE vector length of the execution environment. As a result, the composition of partial sums and the order of floating-point additions vary between systems, producing different rounding results. The tests failed because it did not allow normal floating-point rounding differences caused by vectorized execution and compared the result against specific values using exact equality. Please ignore the mail. We'll update the tests. We apologize for the false detection. Best regards, Yasuyuki Ohno Software Development Div., Advanced Technology Development Unit, Fujitsu Research, Fujitsu Limited, JAPAN. ________________________________ 差出人: ci_notify(a)linaro.org <ci_notify(a)linaro.org> 送信: 2026 年 7 月 14 日 (火曜日) 9:53 宛先: contact-ci-compiler-test-suite(a)cs.jp.fujitsu.com <contact-ci-compiler-test-suite(a)cs.jp.fujitsu.com> Cc: david.green(a)arm.com <david.green(a)arm.com>; maxim.kuvyrkov(a)linaro.org <maxim.kuvyrkov(a)linaro.org> 件名: [Linaro-TCWG-CI] llvmorg-23-init-20756-gd445267fbb56: 2 regressions on aarch64 Dear contributor, Our automatic CI has detected problems related to your patch(es). Please find some details below. In tcwg_flang_test/main-aarch64-Ofast-sve_vla, after: | commit llvmorg-23-init-20756-gd445267fbb56 | Author: David Green <david.green(a)arm.com> | Date: Fri Jun 26 15:54:41 2026 +0100 | | [AArch64] Increase the max interleave factor to 4 for loops with reductions (#205612) | | The default max interleave factor is 2. Increasing it to 4 universally | can spend an amount of codeside on something that does not always | increase performance (especially if the loop gets over-unrolled). Small | ... 5 lines of the commit log omitted. Produces 2 regressions: | | regressions.sum: | Running test-suite:Fujitsu/Fortran/0366 ... | FAIL: test-suite :: Fujitsu/Fortran/0366/Fujitsu-Fortran-0366_0002.test | FAIL: test-suite :: Fujitsu/Fortran/0366/Fujitsu-Fortran-0366_0098.test | # "FAIL" means : the execution of the compiled binary failed / output of the binary differs from the expected one Used configuration : * Toolchain : cmake -G Ninja ../llvm/llvm "-DLLVM_ENABLE_PROJECTS=clang;lld;flang;clang-tools-extra" "-DLLVM_ENABLE_RUNTIMES=openmp" -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_ASSERTIONS=True -DCMAKE_INSTALL_PREFIX=../llvm-install "-DLLVM_TARGETS_TO_BUILD=AArch64" -DCLANG_DEFAULT_LINKER=lld * Testsuite : export LD_LIBRARY_PATH=$\WORKSPACE/llvm-install/lib/aarch64-unknown-linux-gnu$\{LD_LIBRARY_PATH:+:$\LD_LIBRARY_PATH} cmake -GNinja -DCMAKE_C_COMPILER="$\WORKSPACE/llvm-install/bin2/clang" -DCMAKE_CXX_COMPILER="$\WORKSPACE/llvm-install/bin2/clang++" -DCMAKE_Fortran_COMPILER="$\WORKSPACE/llvm-install/bin2/flang-new" -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_FLAGS= -DCMAKE_CXX_FLAGS= -DCMAKE_Fortran_FLAGS= -DCMAKE_C_FLAGS_RELEASE="-O3 -ffast-math -march=armv8.4-a+sve -msve-vector-bits=scalable -mllvm -scalable-vectorization=preferred -DNDEBUG" -DCMAKE_CXX_FLAGS_RELEASE="-O3 -ffast-math -march=armv8.4-a+sve -msve-vector-bits=scalable -mllvm -scalable-vectorization=preferred -DNDEBUG" -DCMAKE_Fortran_FLAGS_RELEASE="-O3 -ffast-math -march=armv8.4-a+sve -msve-vector-bits=scalable -mllvm -scalable-vectorization=preferred -DNDEBUG" -DTEST_SUITE_FORTRAN=ON -DTEST_SUITE_SUBDIRS=Fujitsu -DTEST_SUITE_FUJITSU_WITH_FAST_MATH=ON "$\WORKSPACE/test/test-suite" We track this bug report under https://linaro.atlassian.net/browse/LLVM-2247. (Require Linaro login) Please let us know if you have a fix. If you have any questions regarding this report, please ask on linaro-toolchain(a)lists.linaro.org mailing list. -----------------8<--------------------------8<--------------------------8<-------------------------- The information below contains the details of the failures, and the ways to reproduce a debug environment: You can find the failure logs in *.log.1.xz files in * http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-Ofast-sve_vla-… The full lists of regressions and improvements as well as configure and make commands are in * http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-Ofast-sve_vla-… The list of [ignored] baseline and flaky failures are in * http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-Ofast-sve_vla-… Fujitsu testsuite : https://github.com/fujitsu/compiler-test-suite/ Current build : http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-Ofast-sve_vla-… Reference build : http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-Ofast-sve_vla-… Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/llvm/… Full commit : https://github.com/llvm/llvm-project/commit/d445267fbb569e67ba9311f8c2bc675…

3 months, 2 weeks

Re: [Linaro-TCWG-CI] glibc patch #139350: 1 regression 111 fixes on arm

by Artem Proskurnev

Hello! The single regression reported by Linaro TCWG CI on both aarch64 and arm is XPASS: nptl/tst-create4. This test is intentionally marked XFAIL in the patch (test-xfail-tst-create4 = yes) because it verifies the non-interleave property that this patch deliberately removes: with the patch, constructors of independent DSOs loaded from different threads can interleave. An XPASS on some runs is expected flaky behaviour for a test that documents a removed property; it does not indicate a real regression. No PASS->FAIL transitions are reported on either architecture. The 97/111 ‘fixes’ are environment-driven (no cgroupv2, no /dev/fuse, no root in CI container). An x86_64 make check run under identical conditions on both sides shows 0 patch-attributable transitions. > A third test, tst-create4/tst-create4mod-a/tst-create4mod-b, > documents a property that the patch removes: under the pre-BZ-15686 > locking model, dl_load_lock serialised the entire _dl_open across > threads, so constructors of independent DSOs loaded from different > threads could not interleave. After the patch, they can. The test > asserts the OLD non-interleaving behaviour and is therefore marked > XFAIL via test-xfail-tst-create4 = yes. It is included as a > diagnostic tool for downstream applications that may have implicitly > relied on the old total order -- plugin registries whose registration > order determined behaviour, signal-handler chains installed in > constructors, global logger/telemetry setup, etc. Thanks! 17.07.2026 23:53, ci_notify(a)linaro.org: > Dear contributor, > > Our automatic CI has detected problems related to your patch(es). Please find some details below. > > In glibc_check master-arm, after: > | glibc patchhttps://patchwork.sourceware.org/patch/139350 > | Author: Artem Proskurnev<temap(a)mail.ru> > | Date: Thu Jul 16 19:04:01 2026 +0300 > | > | [PATCH v3] elf: Release dl_load_lock before running dlopen constructors (BZ 15686) > | > | This addresses one instance of the long-standing class of deadlocks > | described in BZ #15686: ELF constructors and destructors invoked by > | the dynamic loader run with dl_load_lock held, so any code path in > | ... 232 lines of the commit log omitted. > | ... applied on top of baseline commit: > | a29c483d3c Add RWF_NOSIGNAL from Linux 6.18 to bits/uio-ext.h > > Produces 1 regression 111 fixes: > | > | regressions.sum: > | Running glibc:nptl ... > | XPASS: nptl/tst-create4 > | > | fixes.sum: > | Running glibc:debug ... > | FAIL: debug/tst-fortify-syslog > | ... and 125 more > > Used configuration : > *CI config* tcwg_glibc_check master-arm > *configure and test flags:* none, autodetected on armv8l-unknown-linux-gnueabihf > > If you have any questions regarding this report, please ask onlinaro-toolchain(a)lists.linaro.org mailing list. > > -----------------8<--------------------------8<--------------------------8<-------------------------- > > The information below contains the details of the failures, and the ways to reproduce a debug environment: > > You can find the failure logs in *.log.1.xz files in > *http://54.172.246.49:9090/jobs/tcwg_glibc_check--master-arm-precommit/builds/10367/archive/artifacts/artifacts.precommit/00-sumfiles/ > The full lists of regressions and improvements as well as configure and make commands are in > *http://54.172.246.49:9090/jobs/tcwg_glibc_check--master-arm-precommit/builds/10367/archive/artifacts/artifacts.precommit/notify/ > The list of [ignored] baseline and flaky failures are in > *http://54.172.246.49:9090/jobs/tcwg_glibc_check--master-arm-precommit/builds/10367/archive/artifacts/artifacts.precommit/sumfiles/xfails.xfail > > Current build :http://54.172.246.49:9090/jobs/tcwg_glibc_check--master-arm-precommit/builds/10367/archive/artifacts/ > Reference build :http://54.172.246.49:9090/jobs/tcwg_glibc_check--master-arm-build/builds/10332/archive/artifacts/ > > Warning: we do not enable maintainer-mode nor automatically update > generated files, which may lead to failures if the patch modifies the > master files.

3 months, 3 weeks

[committed] Fix signed char test assumption [Was Re: [Linaro-TCWG-CI] gcc-17-2261-g649b2a6d9f9f: 7 regressions on arm]

by Jeffrey Law

On 7/9/2026 4:56 PM, ci_notify(a)linaro.org wrote: > Dear contributor, > > Our automatic CI has detected problems related to your patch(es). Please find some details below. > > In armv8l-unknown-linux-gnueabihf native, after: > | commit gcc-17-2261-g649b2a6d9f9f > | Author: Jeff Law <jeffrey.law(a)oss.qualcomm.com> > | Date: Wed Jul 8 12:30:56 2026 -0600 > | > | [PR rtl-optimization/126136] Fix dest = cond ? x : -1 when STORE_FLAG_VALUE is -1 > | > | So a while back I added support for selecting x/-1 into the ifcvt.cc by using > | scc and a couple ALU operations. That code explicitly rejects STORE_FLAG_VALUE > | if it is not 1 or -1. > | ... 20 lines of the commit log omitted. > > Produces 7 regressions: > | > | regressions.sum: > | Running gcc:gcc.dg/torture/dg-torture.exp ... > | FAIL: gcc.dg/torture/pr126136.c -O0 execution test > | FAIL: gcc.dg/torture/pr126136.c -O1 execution test > | FAIL: gcc.dg/torture/pr126136.c -O2 execution test > | FAIL: gcc.dg/torture/pr126136.c -O2 -flto -fno-use-linker-plugin -flto-partition=none execution test > | ... and 3 more > > Used configuration : > *CI config* tcwg_gcc_check armv8l-unknown-linux-gnueabihf > *configure and test flags:* none, autodetected on armv8l-unknown-linux-gnueabihf--disable-multilib --with-float=hard --with-mode=thumb --with-tune=cortex-a9 --with-arch=armv7-a --with-fpu=neon-fp-armv8 > > We track this bug report under https://linaro.atlassian.net/browse/GNU-1959. (Require Linaro login) Please let us know if you have a fix. As others noted, this is a case where the test assumed signed chars. The patch makes the signedness explicit. Bootstrapped and regression tested on armv7 and verified the test now passes on that platform. Pushing to the trunk. jeff

3 months, 3 weeks

Re: [Linaro-TCWG-CI] gcc-17-2325-g4302e16581b4: 10 regressions on arm

by Andrea Pinski

On Wed, Jul 15, 2026 at 10:10 AM <ci_notify(a)linaro.org> wrote: > > Dear contributor, > > Our automatic CI has detected problems related to your patch(es). Please find some details below. > > In armv8l-unknown-linux-gnueabihf native, after: > | commit gcc-17-2325-g4302e16581b4 > | Author: Andrew Pinski <andrew.pinski(a)oss.qualcomm.com> > | Date: Fri Jul 10 16:55:19 2026 -0700 > | > | vect: Add back testcases for trapping math with comparisons [PR36190] > | > | These were originally renamed to no-trapping-math-vect-*.c in r0-87196-g04b03edb56633f > | but were fixed in r0-107313-gf9613c9a919462 but never added back to the > | trapping versions. > | ... 17 lines of the commit log omitted. > > Produces 10 regressions: > | > | regressions.sum: > | Running gcc:gcc.dg/vect/vect.exp ... > | FAIL: gcc.dg/vect/vect-111.c (test for excess errors) > | FAIL: gcc.dg/vect/vect-111.c -flto -ffat-lto-objects (test for excess errors) > | FAIL: gcc.dg/vect/vect-ifcvt-12.c (test for excess errors) > | FAIL: gcc.dg/vect/vect-ifcvt-12.c -flto -ffat-lto-objects (test for excess errors) > | ... and 6 more FAIL: gcc.dg/vect/vect-111.c (test for excess errors) Excess errors: cc1: warning: '-fassociative-math' disabled; other options take precedence This is caused by an interaction with -ftrapping-math added by the new testcases and this from check_vect_support_and_set_flags: ``` } elseif [is-effective-target arm_neon_ok] { eval lappend DEFAULT_VECTCFLAGS [add_options_for_arm_neon ""] # NEON does not support denormals, so is not used for vectorization by # default to avoid loss of precision. We must pass -ffast-math to test # vectorization of float operations. lappend DEFAULT_VECTCFLAGS "-ffast-math" if [is-effective-target arm_neon_hw] { set dg-do-what-default run } else { set dg-do-what-default compile } ``` I am not sure what the best way of solving this. Do we just not test these testcases on arm neon? or something else? > > Used configuration : > *CI config* tcwg_gcc_check armv8l-unknown-linux-gnueabihf > *configure and test flags:* none, autodetected on armv8l-unknown-linux-gnueabihf--disable-multilib --with-float=hard --with-mode=thumb --with-tune=cortex-a9 --with-arch=armv7-a --with-fpu=neon-fp-armv8 > > We track this bug report under https://linaro.atlassian.net/browse/GNU-1969. (Require Linaro login) Please let us know if you have a fix. > > If you have any questions regarding this report, please ask on linaro-toolchain(a)lists.linaro.org mailing list. > > -----------------8<--------------------------8<--------------------------8<-------------------------- > > The information below contains the details of the failures, and the ways to reproduce a debug environment: > > You can find the failure logs in *.log.1.xz files in > * http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-arm-build/builds/1042… > The full lists of regressions and improvements as well as configure and make commands are in > * http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-arm-build/builds/1042… > The list of [ignored] baseline and flaky failures are in > * http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-arm-build/builds/1042… > > Current build : http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-arm-build/builds/1042… > Reference build : http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-arm-build/builds/1042… > > Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/s… > > Full commit : See in git+ssh://linaroci@gcc.gnu.org/git/gcc.git

3 months, 3 weeks

Re: [Linaro-TCWG-CI] gcc-17-2060-gf7cde200320e: 6 regressions on aarch64

by Tomasz Kaminski

On Tue, Jul 14, 2026 at 10:36 PM <ci_notify(a)linaro.org> wrote: > Dear contributor, > > Our automatic CI has detected problems related to your patch(es). Please > find some details below. > > In aarch64 native, after: > | commit gcc-17-2060-gf7cde200320e > | Author: Tomasz Kamiński <tkaminsk(a)redhat.com> > | Date: Tue Jun 30 09:46:07 2026 +0200 > | > | libstdc++: Cascade wall-time saves in lazy expansion seeding > [PR124853] > | > | When _M_get_sys_info seeds a Zone line by looking up the active > rule > | just before info.begin, the previous code interpreted each rule in > | isolation against ri.offset() (the line's standard offset alone), > | ... 71 lines of the commit log omitted. > > Produces 6 regressions: > | > | regressions.sum: > | Running libstdc++:libstdc++-prettyprinters/prettyprinters.exp ... > | FAIL: libstdc++-prettyprinters/debug.cc -flto print redirected > | FAIL: libstdc++-prettyprinters/debug.cc print redirected > | FAIL: libstdc++-prettyprinters/simple.cc -flto print redirected > | FAIL: libstdc++-prettyprinters/simple.cc print redirected > | ... and 2 more > > Used configuration : > *CI config* tcwg_gcc_check aarch64-linux-gnu > *configure and test flags:* none, autodetected on > aarch64-unknown-linux-gnu--disable-multilib --enable-fix-cortex-a53-835769 > --enable-fix-cortex-a53-843419 --with-arch=armv8-a > > We track this bug report under > https://linaro.atlassian.net/browse/GNU-1968. (Require Linaro login) > Please let us know if you have a fix. > The attribution does not seem correct, as the above patch modifies tzdb.cc source file and does not touch the container. > > If you have any questions regarding this report, please ask on > linaro-toolchain(a)lists.linaro.org mailing list. > > > -----------------8<--------------------------8<--------------------------8<-------------------------- > > The information below contains the details of the failures, and the ways > to reproduce a debug environment: > > You can find the failure logs in *.log.1.xz files in > * > http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-aarch64-build/builds/… > The full lists of regressions and improvements as well as configure and > make commands are in > * > http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-aarch64-build/builds/… > The list of [ignored] baseline and flaky failures are in > * > http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-aarch64-build/builds/… > > Current build : > http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-aarch64-build/builds/… > Reference build : > http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-aarch64-build/builds/… > > Instruction to reproduce the build : > https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/s… > > Full commit : See in git+ssh://linaroci@gcc.gnu.org/git/gcc.git >

3 months, 3 weeks

Re: [Linaro-TCWG-CI] 2025-09-21-gb3752b8ab8: Failure on aarch64

by Maxim Solodovnik

Hello, would you be so kind to point me to the logs of what was failed? :)) (I was unable to find any meaningful info regarding what is wrong :(( ) BTW maybe it would be better to start discussion at https://github.com/fujitsu/compiler-test-suite/pull/61 ? :) On Sat, 11 Jul 2026 at 21:48, <ci_notify(a)linaro.org> wrote: > > Dear contributor, > > Our automatic CI has detected problems related to your patch(es). Please find some details below. > > In tcwg_flang_test/main-aarch64-O0-debug, after: > | commit 2025-09-21-gb3752b8ab8 > | Author: Maxim Solodovnik <solomax666(a)gmail.com> > | Date: Thu Jul 9 02:58:11 2026 +0000 > | > | OpenMP specific tests are excluded if OpenMP is absent (#61) > | > | * OpenMP specific tests are excluded if OpenMP is absent > > Produces Failure: > | Results changed to > | # reset_artifacts: > | -10 > | # build_llvm -- clang;lld;flang;clang-tools-extra openmp : > | 0 > | # test_llvm: > | # FAILED > | # First few build errors in logs: > | > | From > | # reset_artifacts: > | -10 > | # build_llvm -- clang;lld;flang;clang-tools-extra openmp : > | 0 > | # test_llvm: > | 1 > > Used configuration : > tcwg_flang_test/main-aarch64-O0-debug > > We track this bug report under https://linaro.atlassian.net/browse/LLVM-2245. (Require Linaro login) Please let us know if you have a fix. > > If you have any questions regarding this report, please ask on linaro-toolchain(a)lists.linaro.org mailing list. > > -----------------8<--------------------------8<--------------------------8<-------------------------- > > The information below contains the details of the failures, and the ways to reproduce a debug environment: > > You can find the failure logs in *.log.1.xz files in > * http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-O0-debug-build… > The full lists of regressions and improvements as well as configure and make commands are in > * http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-O0-debug-build… > > Fujitsu testsuite : https://github.com/fujitsu/compiler-test-suite/ > > Current build : http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-O0-debug-build… > Reference build : http://54.172.246.49:9090/jobs/tcwg_flang_test--main-aarch64-O0-debug-build… > > Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/fujit… > > Full commit : https://github.com/fujitsu/compiler-test-suite/commit/b3752b8ab8bb7b0ec0bd7… -- Best regards, Maxim

3 months, 4 weeks

Fwd: [Linaro-TCWG-CI] gcc patch #138844: Failure on arm

by jeevitha

Hi All, The changes in this patch are limited to the rs6000 backend and only introduce a new machine mode (`TDOmode`) with corresponding rs6000-specific handling. Since the changes are target-specific, I'm not sure why they would cause a bootstrap failure on the ARM configuration. Could this be an unrelated or flaky CI failure? For context, the other CI results for this patch are: https://patchwork.sourceware.org/project/gcc/patch/993e1e61-3bb4-4d74-b507-… * `linaro-tcwg-bot/tcwg_simplebootstrap_build--master-arm-bootstrap`: **Failed** * `linaro-tcwg-bot/tcwg_gcc_build--master-aarch64`: **Passed** * `linaro-tcwg-bot/tcwg_gcc_build--master-arm`: **Passed** * `linaro-tcwg-bot/tcwg_simplebootstrap_build--master-aarch64-bootstrap`: **Passed** Thanks, Jeevitha -------- Forwarded Message -------- X-Mozilla-Status: 0001 X-Mozilla-Status2: 00000000 Return-Path: <ci_notify(a)linaro.org> Received: from ltc-imap-p9a.rchland.ibm.com ([unix socket]) by ltc-imap-p9a.rchland.ibm.com (Cyrus 3.0.7-28.el8_10 Fedora) with LMTPA; Thu, 09 Jul 2026 19:55:24 -0500 X-Cyrus-Session-Id: ltc-imap-p9a.rchland.ibm.com-861175-1783644924-2-1779235549232312115 X-Sieve: CMU Sieve 3.0 Received: from localhost (localhost.localdomain [127.0.0.1]) by ltc-imap-p9a.rchland.ibm.com (Postfix) with ESMTP id E2079818AF44C for <jeevitha(a)imap.linux.ibm.com>; 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Please find some details below. In simplebootstrap_build master-arm-bootstrap, after: | gcc patch https://patchwork.sourceware.org/patch/138844 | Author: jeevitha <jeevitha(a)linux.ibm.com> | Date: Fri Jul 10 00:08:25 2026 +0530 | | [PATCH] rs6000: Add TDOmode support | | Hi All, | | The following patch has been bootstrapped and regtested on powerpc64le-linux. | ... 15 lines of the commit log omitted. | ... applied on top of baseline commit: | d06b04d90ca Remove uses of `CONSTEXPR` macro Produces Failure: | Results changed to | # reset_artifacts: | -10 | # true: | 0 | # build_abe bootstrap: | # FAILED | # First few build errors in logs: | # 01:33:42 make[2]: *** [Makefile:26651: compare] Error 1 | # 01:33:42 make[1]: *** [Makefile:26631: stage3-bubble] Error 2 | # 01:33:42 make: *** [Makefile:1140: all] Error 2 | | From | # reset_artifacts: | -10 | # true: | 0 | # build_abe bootstrap: | 1 Used configuration : *CI config* tcwg_simplebootstrap_build master-arm-bootstrap *configure and test flags:* none, autodetected on armv8l-unknown-linux-gnueabihf If you have any questions regarding this report, please ask on linaro-toolchain(a)lists.linaro.org mailing list. -----------------8<--------------------------8<--------------------------8<-------------------------- The information below contains the details of the failures, and the ways to reproduce a debug environment: You can find the failure logs in * http://54.172.246.49:9090/jobs/tcwg_simplebootstrap_build--master-arm-boots… The full lists of regressions and improvements as well as configure and make commands are in * http://54.172.246.49:9090/jobs/tcwg_simplebootstrap_build--master-arm-boots… Current build : http://54.172.246.49:9090/jobs/tcwg_simplebootstrap_build--master-arm-boots… Reference build : http://54.172.246.49:9090/jobs/tcwg_simplebootstrap_build--master-arm-boots… Warning: we do not enable maintainer-mode nor automatically update generated files, which may lead to failures if the patch modifies the master files.

3 months, 4 weeks

Installing LibXML2 on the lldb-aarch64-windows build bot

by Charles Zablit

Hi, I work on lldb on Windows at Apple. We have done some work recently to bring lldb-server.exe up to par with the current lldb implementation on Windows, which uses an in-process debugger. This new implementation matches other platforms like macOS and Linux which also use a debug server. We have full test parity (all the tests that work with the in process debugger also work with lldb-server.exe). We are actively testing both configs in CI: https://ci-external.swift.org/job/lldb-windows/job/main/ We are ready to make the change to make lldb-server.exe the default implementation on Windows. In the codebase, this means switching the flag here: https://github.com/llvm/llvm-project/blob/d981ae2be3be6fd65ad66e763fcc20b3a…. However, building lldb-server.exe requires libxml2, which the buildbot https://lab.llvm.org/buildbot/#/builders/141 does not have. I’m reaching out to you to ask if it’s please possible to install libxml2 on the bot? The easiest way to do that would be to run “vcpkg install libxml2” on the bot. Vcpkg is already in the PATH, so CMake should pick up the libxml2 includes automatically once it’s installed. I am happy to validate the build once the installation is complete and will address any issues that may arise. Best regards, Charles Zablit

4 months

Re: [Linaro-TCWG-CI] gcc patch #138785: Failure on arm

by H.J. Lu

On Thu, Jul 9, 2026 at 11:59 AM <ci_notify(a)linaro.org> wrote: > > Dear contributor, > > Our automatic CI has detected problems related to your patch(es). Please find some details below. > > In simplebootstrap_build master-arm-bootstrap, after: > | gcc patch https://patchwork.sourceware.org/patch/138785 > | Author: H.J. Lu <hjl.tools(a)gmail.com> > | Date: Wed May 13 08:27:50 2026 +0800 > | > | [PATCH v2] x86: Honor preserve_none ABI for x86-64 MS calls > | > | In 64-bit mode, preserve_none attribute uses a different calling > | convention. Ignore MS ABI with preserve_none attribute to always > | use the preserve_none calling convention with preserve_none > | ... 45 lines of the commit log omitted. > | ... applied on top of baseline commit: > | e5af677005c Daily bump. > > Produces Failure: > | Results changed to > | # reset_artifacts: > | -10 > | # true: > | 0 > | # build_abe bootstrap: > | # FAILED > | # First few build errors in logs: > | # 00:07:41 make[3]: [Makefile:1882: armv8l-unknown-linux-gnueabihf/bits/largefile-config.h] Error 1 (ignored) > | # 00:58:25 make[3]: [Makefile:1882: armv8l-unknown-linux-gnueabihf/bits/largefile-config.h] Error 1 (ignored) > | # 01:14:22 collect2: error: ld returned 1 exit status > | # 01:14:22 make[3]: *** [/home/tcwg-build/workspace/tcwg_gnu_3/abe/snapshots/gcc.git~master/gcc/lto/Make-lang.in:93: lto1] Error 1 > | # 01:14:22 collect2: error: ld returned 1 exit status > | # 01:14:22 make[3]: *** [/home/tcwg-build/workspace/tcwg_gnu_3/abe/snapshots/gcc.git~master/gcc/cp/Make-lang.in:147: cc1plus] Error 1 > | # 01:14:23 collect2: error: ld returned 1 exit status > | # 01:14:23 make[3]: *** [/home/tcwg-build/workspace/tcwg_gnu_3/abe/snapshots/gcc.git~master/gcc/c/Make-lang.in:88: cc1] Error 1 > | # 01:14:23 collect2: error: ld returned 1 exit status > | # 01:14:23 make[3]: *** [/home/tcwg-build/workspace/tcwg_gnu_3/abe/snapshots/gcc.git~master/gcc/objc/Make-lang.in:78: cc1obj] Error 1 > | > | From > | # reset_artifacts: > | -10 > | # true: > | 0 > | # build_abe bootstrap: > | 1 The only file which my patch changes is gcc/config/i386/i386.cc. How can it impact arm? > Used configuration : > *CI config* tcwg_simplebootstrap_build master-arm-bootstrap > *configure and test flags:* none, autodetected on armv8l-unknown-linux-gnueabihf > > If you have any questions regarding this report, please ask on linaro-toolchain(a)lists.linaro.org mailing list. > > -----------------8<--------------------------8<--------------------------8<-------------------------- > > The information below contains the details of the failures, and the ways to reproduce a debug environment: > > You can find the failure logs in > * http://54.172.246.49:9090/jobs/tcwg_simplebootstrap_build--master-arm-boots… > The full lists of regressions and improvements as well as configure and make commands are in > * http://54.172.246.49:9090/jobs/tcwg_simplebootstrap_build--master-arm-boots… > > Current build : http://54.172.246.49:9090/jobs/tcwg_simplebootstrap_build--master-arm-boots… > Reference build : http://54.172.246.49:9090/jobs/tcwg_simplebootstrap_build--master-arm-boots… > > Warning: we do not enable maintainer-mode nor automatically update > generated files, which may lead to failures if the patch modifies the > master files. -- H.J.

4 months

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