> On Feb 1, 2024, at 16:07, ci_notify--- via Gcc-regression > <gcc-regression@gcc.gnu.org> wrote: > > Dear contributor, our automatic CI has detected problems related to your > patch(es). Please find some details below. If you have any questions, > please follow up on linaro-toolch...@lists.linaro.org mailing list, Libera's > #linaro-tcwg channel, or ping your favourite Linaro toolchain developer on > the usual project channel. > > We appreciate that it might be difficult to find the necessary logs or > reproduce the issue locally. If you can't get what you need from our CI > within minutes, let us know and we will be happy to help. > > We track this report status in https://linaro.atlassian.net/browse/GNU-1140 , > please let us know if you are looking at the problem and/or when you have a > fix. > > In gcc_check master-arm after: > > | commit gcc-14-8680-g2f14c0dbb78 > | Author: Roger Sayle <ro...@nextmovesoftware.com> > | Date: Thu Feb 1 06:10:42 2024 +0000 > | > | PR target/113560: Enhance is_widening_mult_rhs_p. > | > | This patch resolves PR113560, a code quality regression from GCC12 > | affecting x86_64, by enhancing the middle-end's tree-ssa-math-opts.cc > | to recognize more instances of widening multiplications. > | > | The widening multiplication perception code identifies cases like: > | ... 116 lines of the commit log omitted. > > FAIL: 3 regressions > > regressions.sum: > === gcc tests === > > Running gcc:gcc.target/arm/arm.exp ... > FAIL: gcc.target/arm/wmul-5.c scan-assembler umlal > FAIL: gcc.target/arm/wmul-6.c scan-assembler smlalbb > FAIL: gcc.target/arm/wmul-7.c scan-assembler umlal
Hi Roger, Your patch seems to regress the above 3 tests for all 32-bit ARM targets (see [1]). Would you please check if the regressions can be avoided? For reference, here are configure options we use for arm-linux-gnueabihf cross-toolchain: [2]. [1] https://linaro.atlassian.net/browse/GNU-1140 [2] https://ci.linaro.org/job/tcwg_gnu_cross_check_gcc--master-arm-build/1303/artifact/artifacts/notify/configure-make.txt/*view*/ Thanks! -- Maxim Kuvyrkov https://www.linaro.org > > > You can find the failure logs in *.log.1.xz files in > - > https://ci.linaro.org/job/tcwg_gcc_check--master-arm-build/1650/artifact/artifacts/00-sumfiles/ > The full lists of regressions and progressions as well as configure and make > commands are in > - > https://ci.linaro.org/job/tcwg_gcc_check--master-arm-build/1650/artifact/artifacts/notify/ > The list of [ignored] baseline and flaky failures are in > - > https://ci.linaro.org/job/tcwg_gcc_check--master-arm-build/1650/artifact/artifacts/sumfiles/xfails.xfail > > The configuration of this build is: > CI config tcwg_gcc_check master-arm > > -----------------8<--------------------------8<--------------------------8<-------------------------- > The information below can be used to reproduce a debug environment: > > Current build : > https://ci.linaro.org/job/tcwg_gcc_check--master-arm-build/1650/artifact/artifacts > Reference build : > https://ci.linaro.org/job/tcwg_gcc_check--master-arm-build/1649/artifact/artifacts > > Reproduce last good and first bad builds: > https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/gcc/sha1/2f14c0dbb789852947cb58fdf7d3162413f053fa/tcwg_gcc_check/master-arm/reproduction_instructions.txt > > Full commit : > https://github.com/gcc-mirror/gcc/commit/2f14c0dbb789852947cb58fdf7d3162413f053fa > > List of configurations that regressed due to this commit : > * tcwg_gcc_check > ** master-arm > *** FAIL: 3 regressions > *** > https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/gcc/sha1/2f14c0dbb789852947cb58fdf7d3162413f053fa/tcwg_gcc_check/master-arm/details.txt > *** > https://ci.linaro.org/job/tcwg_gcc_check--master-arm-build/1650/artifact/artifacts
