Dear contributor, Our automatic CI has detected problems related to your patch(es). Please find some details below.
In arm-eabi thumb v8-a hard, after: | commit gcc-16-3470-gbfa70ddb650e | Author: Andrew Pinski <[email protected]> | Date: Thu Aug 28 17:20:21 2025 -0700 | | forwprop: Copy the memcmp optimization from strlen to forwprop [PR116651] | | To better optimize code dealing with `memcmp == 0` where we have | a small constant size, we can inline the memcmp in those cases. | There is code to do this in strlen but that is run too late in | ... 38 lines of the commit log omitted. Produces 3 regressions: | | regressions.sum: | Running g++:g++.dg/dg.exp ... | FAIL: g++.dg/tree-ssa/vector-compare-1.C -std=gnu++11 scan-tree-dump-times optimized "== 24" 1 | FAIL: g++.dg/tree-ssa/vector-compare-1.C -std=gnu++17 scan-tree-dump-times optimized "== 24" 1 | FAIL: g++.dg/tree-ssa/vector-compare-1.C -std=gnu++26 scan-tree-dump-times optimized "== 24" 1 Used configuration : *CI config* tcwg_gnu_embed_check_gcc arm-eabi -mthumb -march=armv8-a+simd -mfpu=auto -mfloat-abi=hard *configure and test flags:* --target arm-eabi --disable-multilib --with-mode=thumb --with-arch=armv8-a+simd --with-fpu=crypto-neon-fp-armv8 --with-float=hard --target_board=-mthumb/-march=armv8-a+simd/-mfpu=auto/-mfloat-abi=hard qemu_cpu=any We track this bug report under https://linaro.atlassian.net/browse/GNU-1672. Please let us know if you have a fix. 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_v8a_hard_eabi-build/909/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_v8a_hard_eabi-build/909/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_v8a_hard_eabi-build/909/artifact/artifacts/sumfiles/xfails.xfail Current build : https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_v8a_hard_eabi-build/909/artifact/artifacts Reference build : https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_v8a_hard_eabi-build/908/artifact/artifacts Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/bfa70ddb650ec91c2511d351b2b3c3f78dfad6d4/tcwg_gnu_embed_check_gcc/master-thumb_v8a_hard_eabi/reproduction_instructions.txt Full commit : See in git+ssh://[email protected]/git/gcc.git
