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", "Thread-Topic": "[PATCH v3 0/3] RISC-V: Various big-endian fixes. 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charset=\"iso-8859-1\"", "Content-Transfer-Encoding": "quoted-printable", "MIME-Version": "1.0", "X-OriginatorOrg": "htecgroup.com", "X-MS-Exchange-CrossTenant-AuthAs": "Internal", "X-MS-Exchange-CrossTenant-AuthSource": "AS4PR09MB5681.eurprd09.prod.outlook.com", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 24ab1381-178f-45d1-6226-08de697d0b32", "X-MS-Exchange-CrossTenant-originalarrivaltime": "11 Feb 2026 14:51:31.2305 (UTC)", "X-MS-Exchange-CrossTenant-fromentityheader": "Hosted", "X-MS-Exchange-CrossTenant-id": "9f85665b-7efd-4776-9dfe-b6bfda2565ee", "X-MS-Exchange-CrossTenant-mailboxtype": "HOSTED", "X-MS-Exchange-CrossTenant-userprincipalname": "\n JHPssHUUYlN3BfDbUGaHdOyGrWmAmr6e+9fQXKbJbPX7ZBPOaEdXkXuNiYO5QRqLkBWebMN01jpZtmFOXVvuhZoNYrBNsjRsX3pZKc6mVW8=", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "PA4PR09MB4575", "X-BeenThere": "gcc-patches@gcc.gnu.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Gcc-patches mailing list <gcc-patches.gcc.gnu.org>", "List-Unsubscribe": "<https://gcc.gnu.org/mailman/options/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=unsubscribe>", "List-Archive": "<https://gcc.gnu.org/pipermail/gcc-patches/>", "List-Post": "<mailto:gcc-patches@gcc.gnu.org>", "List-Help": "<mailto:gcc-patches-request@gcc.gnu.org?subject=help>", "List-Subscribe": "<https://gcc.gnu.org/mailman/listinfo/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=subscribe>", "Errors-To": "gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org" }, "content": "This series contains some minor big-endian RISC-V changes.\n\nThe common theme for most of these patches is selecting\nthe correct subword element on big-endian targets.\n\nThe second and the third patches are fixes pertaining to\natomic instructions on big-endian builds. The second patch\nfixes issues with inline-atomics. The third should fix\nlibatomic for big-endian builds.\n\nThe patches were tested using QEMU modified\nto support big-endian RISC-V targets [1]. We will be upstreaming this in the future.\n\nTesting instructions can be found in individual patch descriptions.\n\n[1] https://github.com/djtodoro/qemu/tree/riscvbe/current#\n\nChanges in v3:\n- Drop the patch that disabled RISC-V self-tests on big-endian builds.\n- Link to v2: https://gcc.gnu.org/pipermail/gcc-patches/2026-January/705789.html \n\nChao-ying Fu (3):\n RISC-V: Fix riscv_subword_address for big-endian targets.\n RISC-V: Use correct subreg in atomic_compare_and_swap\n RISC-V: libatomic: Fix the calculation of shift for the big-endian\n target.\n\n gcc/config/riscv/riscv.cc | 5 +++++\n gcc/config/riscv/sync.md | 3 ++-\n .../gcc.target/riscv/amo/big-endian-subword-amo-hi.c | 9 +++++++++\n .../gcc.target/riscv/amo/big-endian-subword-amo-qi.c | 9 +++++++++\n libatomic/cas_n.c | 6 +++++-\n libatomic/exch_n.c | 6 +++++-\n libatomic/fop_n.c | 12 ++++++++++--\n libatomic/load_n.c | 6 +++++-\n libatomic/store_n.c | 6 +++++-\n libatomic/tas_n.c | 6 +++++-\n 10 files changed, 60 insertions(+), 8 deletions(-)\n create mode 100644 gcc/testsuite/gcc.target/riscv/amo/big-endian-subword-amo-hi.c\n create mode 100644 gcc/testsuite/gcc.target/riscv/amo/big-endian-subword-amo-qi.c" }