Dear contributor,

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

In  arm-linux-gnueabihf cross, after:
  | commit v11.0.0-1575-gc9349965ce4
  | Author: Richard Henderson <[email protected]>
  | Date:   Wed May 20 14:51:39 2026 +0200
  | 
  |     tcg: Optimize INDEX_op_mul[us]2 for 0 and 1
  |     
  |     Zero operands produce a zero high and low product. One operands produce
  |     a copy of the other operand and a zero or sign extension in the high
  |     half.
  | ... 8 lines of the commit log omitted.

Produces 6 regressions:
  | 
  | regressions.sum:
  | Running gcc:gcc.c-torture/execute/execute.exp ...
  | FAIL: gcc.c-torture/execute/pr64006.c -O1  execution test
  | FAIL: gcc.c-torture/execute/pr64006.c -O2  execution test
  | FAIL: gcc.c-torture/execute/pr64006.c -O2 -flto -fno-use-linker-plugin 
-flto-partition=none  execution test
  | FAIL: gcc.c-torture/execute/pr64006.c -O2 -flto -fuse-linker-plugin 
-fno-fat-lto-objects  execution test
  | ... and 2 more

Used configuration :
 *CI config* tcwg_gnu_cross_check_gcc arm-linux-gnueabihf cross
 *configure and test flags:* --target arm-linux-gnueabihf --disable-multilib 
--with-float=hard --with-fpu=vfpv3-d16 --with-mode=thumb --with-tune=cortex-a9 
--with-arch=armv7-a

We track this bug report under https://linaro.atlassian.net/browse/GNU-1919. 
(Require Linaro login) 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
 * 
http://54.172.246.49:9090/jobs/tcwg_gnu_cross_check_gcc--master-arm-build/builds/10131/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-arm-build/builds/10131/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-arm-build/builds/10131/archive/artifacts/sumfiles/xfails.xfail

Current build   : 
http://54.172.246.49:9090/jobs/tcwg_gnu_cross_check_gcc--master-arm-build/builds/10131/archive/artifacts/
Reference build : 
http://54.172.246.49:9090/jobs/tcwg_gnu_cross_check_gcc--master-arm-build/builds/10130/archive/artifacts/

Instruction to reproduce the build : 
https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/qemu/sha1/c9349965ce4a1548a0b19dc3cf859a461d525f6b/tcwg_gnu_cross_check_gcc/master-arm/reproduction_instructions.txt

Full commit : 
https://gitlab.com/qemu-project/qemu/commit/c9349965ce4a1548a0b19dc3cf859a461d525f6b
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