[Linaro-TCWG-CI] gcc-17-2277-g6d9758128603: 3 regressions on aarch64

[ci_notify@linaro.org]

Dear contributor,

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

In  aarch64 cross, after:
  | commit gcc-17-2277-g6d9758128603
  | Author: Jovan Dmitrovic <jovan.dmitrovic@htecgroup.com>
  | Date:   Thu Jul 9 07:31:17 2026 -0600
  | 
  |     ivopts: Set register pressure cost to zero if there are enough registers.
  |     
  |     In function ivopts_estimate_reg_pressure, return zero if there are
  |     enough registers available so that spilling is not necessary.
  |     
  | ... 11 lines of the commit log omitted.

Produces 3 regressions:
  | 
  | regressions.sum:
  | Running gcc:gcc.target/aarch64/aarch64.exp ...
  | FAIL: gcc.target/aarch64/fneg-abs_3.c check-function-bodies f1
  | FAIL: gcc.target/aarch64/fneg-abs_3.c check-function-bodies f2
  | FAIL: gcc.target/aarch64/noeffect7.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-1971. (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_cross_check_gcc--master-aarch64-build/builds/10223/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_cross_check_gcc--master-aarch64-build/builds/10223/archive/artifacts/notify/
The list of [ignored] baseline and flaky failures are in
 * http://54.172.246.49:9090/jobs/tcwg_gnu_cross_check_gcc--master-aarch64-build/builds/10223/archive/artifacts/sumfiles/xfails.xfail

Current build   : http://54.172.246.49:9090/jobs/tcwg_gnu_cross_check_gcc--master-aarch64-build/builds/10223/archive/artifacts/
Reference build : http://54.172.246.49:9090/jobs/tcwg_gnu_cross_check_gcc--master-aarch64-build/builds/10222/archive/artifacts/

Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/6d97581286030449420dc4ee79612dd256067e2c/tcwg_gnu_cross_check_gcc/master-aarch64/reproduction_instructions.txt

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