On Sun, Jul 19, 2026 at 07:12:50PM +0000, ci_notify@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@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@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
The full lists of regressions and improvements as well as configure and make commands are in
The list of [ignored] baseline and flaky failures are in
Current build : http://54.172.246.49:9090/jobs/tcwg_gnu_cross_check_gcc--master-aarch64-buil... Reference build : http://54.172.246.49:9090/jobs/tcwg_gnu_cross_check_gcc--master-aarch64-buil...
Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sh...
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.
linaro-toolchain@lists.linaro.org
-
Dylan Rees