Commit: See in git+ssh://linaroci@gcc.gnu.org/git/gcc.git
gcc patch https://patchwork.sourceware.org/patch/135217
Author: Steve Markgraf <steve@steve-m.de>
Date:   Mon May 18 20:20:54 2026 +0200

    [PATCH v3] rs6000: Add MPCCORE to TARGET_NO_LWSYNC
    
    The MPC8xx PowerQUICC family only implements full 'sync', 'lwsync'
    is not yet supported. The CPU actually checks that the
    should-be-zero bits of the sync instruction are zero, and faults
... 31 lines of the commit log omitted.
... applied on top of baseline commit:
6953b4ea86a rs6000: Adding missed ISA 3.0 atomic memory operation instructions

* tcwg_gcc_check
** master-aarch64
*** no regression/no fix
*** https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/0019355cccf87cc54cd726948a7556002b8491d3/tcwg_gcc_check/master-aarch64/details.txt
*** http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-aarch64-precommit/builds/10356/archive/artifacts/

Latest data: https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/0019355cccf87cc54cd726948a7556002b8491d3/jira/yaml