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CTRY:IE; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:64aa7808-outbound-1.mta.getcheckrecipient.com; PTR:ec2-63-35-35-123.eu-west-1.compute.amazonaws.com; CAT:NONE; SFS:(13230040)(36860700013)(35042699022)(34020700016)(1800799024)(376014)(82310400026); DIR:OUT; SFP:1101; X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Jul 2024 09:30:23.2031 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: dd062e57-444c-4c7c-e9ea-08dcaa30e983 X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d; Ip=[63.35.35.123]; Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: AM4PEPF00025F9B.EURPRD83.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DBAPR08MB5831 X-Spam-Status: No, score=-5.2 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FORGED_SPF_HELO, KAM_SHORT, SPF_HELO_PASS, SPF_NONE, TXREP, UNPARSEABLE_RELAY autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org This series introduces initial flags and functionality for the fp8 feature. Specifically, the following are added: - functions that enable constructing valid fpm register values. - support for the '+fp8' -march modifier that defines the __ARM_FEATURE_FP8 macro to 1. - support for reading and writing the new system register FPMR (Floating Point Mode Register) which configures the new FP8 features Tested against aarch64-unknown-linux-gnu. Due to the addition of new flags, this patch is based on and requires that the series "[PATCH v2 00/11] aarch64: Extend aarch64_feature_flags to 128 bits" be applied. Is this ok for master? I do not have merge permissions. Can someone merge this for me please? Thanks, Claudio Bantaloukas Claudio Bantaloukas (3): aarch64: Add march flags for +fp8 arch extensions aarch64: Add support for moving fpm system register aarch64: add fpm register helper functions. gcc/config/aarch64/aarch64-c.cc | 1 + .../aarch64/aarch64-option-extensions.def | 2 + gcc/config/aarch64/aarch64.cc | 9 ++ gcc/config/aarch64/aarch64.h | 17 ++- gcc/config/aarch64/aarch64.md | 30 +++-- gcc/config/aarch64/arm_acle.h | 37 ++++++ gcc/config/aarch64/constraints.md | 3 + gcc/doc/invoke.texi | 2 + .../gcc.target/aarch64/acle/fp8-helpers.c | 52 ++++++++ gcc/testsuite/gcc.target/aarch64/acle/fp8.c | 120 ++++++++++++++++++ 10 files changed, 259 insertions(+), 14 deletions(-) create mode 100644 gcc/testsuite/gcc.target/aarch64/acle/fp8-helpers.c create mode 100644 gcc/testsuite/gcc.target/aarch64/acle/fp8.c