On Wed, Jan 21, 2026 at 5:50 AM <[email protected]> wrote: > > Dear contributor, > > Our automatic CI has detected problems related to your patch(es). Please find > some details below. > > In arm-eabi cortex-m23 soft, after: > | commit gcc-16-5975-gfae0c626250 > | Author: Andrew Pinski <[email protected]> > | Date: Sat Dec 6 01:11:29 2025 -0800 > | > | final_cleanup: Call make_forwarders_with_degenerate_phis [PR46555] > | > | This fixes a regression introduced with r16-5258-g1d8e2d51e5c5cb. > | With GCC 12+, we would not merge forwarders (with phis, vops > included), > | this meant that after the last cddce, degenerate phis would stay not > | ... 22 lines of the commit log omitted. > > Produces 1 regression: > | > | regressions.sum: > | Running gcc:gcc.dg/tree-ssa/tree-ssa.exp ... > | FAIL: gcc.dg/tree-ssa/pr46555.c scan-rtl-dump pro_and_epilogue > "Performing shrink-wrapping" > > Used configuration : > *CI config* tcwg_gnu_embed_check_gcc arm-eabi -mthumb -march=armv8-m.base > -mtune=cortex-m23 -mfloat-abi=soft -mfpu=auto > *configure and test flags:* --target arm-eabi --disable-multilib > --with-mode=thumb --with-cpu=cortex-m23 --with-float=soft > --target_board=-mthumb/-march=armv8-m.base/-mtune=cortex-m23/-mfloat-abi=soft/-mfpu=auto > qemu_cpu=cortex-m33 > > We track this bug report under https://linaro.atlassian.net/browse/GNU-1819. > Please let us know if you have a fix.
Filed https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123751 and fixed in r16-6969-g41878c161c480. Thanks, Andrew > > If you have any questions regarding this report, please ask on > [email protected] 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 > * > https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m23_soft_eabi-build/565/artifact/artifacts/00-sumfiles/ > The full lists of regressions and improvements as well as configure and make > commands are in > * > https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m23_soft_eabi-build/565/artifact/artifacts/notify/ > The list of [ignored] baseline and flaky failures are in > * > https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m23_soft_eabi-build/565/artifact/artifacts/sumfiles/xfails.xfail > > Current build : > https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m23_soft_eabi-build/565/artifact/artifacts > Reference build : > https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m23_soft_eabi-build/564/artifact/artifacts > > Instruction to reproduce the build : > https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/fae0c626250563c1619cc10c6af18a0c4cae5a97/tcwg_gnu_embed_check_gcc/master-thumb_m23_soft_eabi/reproduction_instructions.txt > > Full commit : See in git+ssh://[email protected]/git/gcc.git _______________________________________________ linaro-toolchain mailing list -- [email protected] To unsubscribe send an email to [email protected]
