[Linaro-TCWG-CI] gcc-17-3867-g62a6880758d4: 1 regression on arm

[ci_notify@linaro.org]

Dear contributor,

Our automatic CI has detected problems related to your patch(es). Please find some details below.

In  arm-eabi v7-a softfp, after:
  | commit gcc-17-3867-g62a6880758d4
  | Author: Kyrylo Tkachov <ktkachov@nvidia.com>
  | Date:   Sat Jul 18 01:16:02 2026 +0200
  | 
  |     ifcvt: Extend noce_convert_multiple_sets to diamonds [PR125557]
  |     
  |     noce_convert_multiple_sets handles multi-set IF-THEN-JOIN regions but not
  |     IF-THEN-ELSE-JOIN diamonds.  After GIMPLE factors a value shared by both
  |     arms, such a diamond can still define several live-out values and retain a
  | ... 112 lines of the commit log omitted.

Produces 1 regression:
  | 
  | regressions.sum:
  | Running gcc:gcc.target/arm/arm.exp ...
  | FAIL: gcc.target/arm/short-it-ifcvt-1.c scan-assembler b(gt|le)

Used configuration :
 *CI config* tcwg_gnu_embed_check_gcc arm-eabi -marm -march=armv7-a -mfpu=vfpv3-d16 -mfloat-abi=softfp
 *configure and test flags:* --target arm-eabi --disable-multilib --with-mode=arm --with-arch=armv7-a --with-fpu=vfpv3-d16 --with-float=softfp --target_board=-marm/-march=armv7-a/-mfpu=vfpv3-d16/-mfloat-abi=softfp qemu_cpu=cortex-a9

We track this bug report under https://linaro.atlassian.net/browse/GNU-2018. (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.

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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_embed_check_gcc--master-arm_v7a_softfp_eabi-build/builds/10227/archive/artifacts/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_gnu_embed_check_gcc--master-arm_v7a_softfp_eabi-build/builds/10227/archive/artifacts/notify/
The list of [ignored] baseline and flaky failures are in
 * http://54.172.246.49:9090/jobs/tcwg_gnu_embed_check_gcc--master-arm_v7a_softfp_eabi-build/builds/10227/archive/artifacts/sumfiles/xfails.xfail

Current build   : http://54.172.246.49:9090/jobs/tcwg_gnu_embed_check_gcc--master-arm_v7a_softfp_eabi-build/builds/10227/archive/artifacts/
Reference build : http://54.172.246.49:9090/jobs/tcwg_gnu_embed_check_gcc--master-arm_v7a_softfp_eabi-build/builds/10226/archive/artifacts/

Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/62a6880758d410758f43b08cad9fa9d159ec8583/tcwg_gnu_embed_check_gcc/master-arm_v7a_softfp_eabi/reproduction_instructions.txt

Full commit : See in git+ssh://linaroci@gcc.gnu.org/git/gcc.git