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Ip=[63.35.35.123]; Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: AMS0EPF00000191.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB4PR08MB9381 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On 2024/1/4 5:18 PM, pbhagavatula@marvell.com wrote: > From: Pavan Nikhilesh > > Now that major versions of GCC recognize armv9-a march option, > add it to the list of supported march. > Update neoverse-n2 part number to include march as armv9-a. > > Signed-off-by: Pavan Nikhilesh > --- > config/arm/meson.build | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/config/arm/meson.build b/config/arm/meson.build > index 36f21d2259..0804877b57 100644 > --- a/config/arm/meson.build > +++ b/config/arm/meson.build > @@ -92,6 +92,7 @@ part_number_config_arm = { > 'march': 'armv8.4-a', > }, > '0xd49': { > + 'march': 'armv9-a', > 'march_features': ['sve2'], > 'compiler_options': ['-mcpu=neoverse-n2'], > 'flags': [ > @@ -701,7 +702,7 @@ if update_flags > if part_number_config.get('force_march', false) > candidate_march = part_number_config['march'] > else > - supported_marchs = ['armv8.6-a', 'armv8.5-a', 'armv8.4-a', 'armv8.3-a', > + supported_marchs = ['armv9-a', 'armv8.6-a', 'armv8.5-a', 'armv8.4-a', 'armv8.3-a', armv9.x-a have some overlap with armv8.x-a. For armv9.0, the next candidate fallback should be armv8.4-a instead of armv8.6-a. armv9 should be treated differently for fallback support. > 'armv8.2-a', 'armv8.1-a', 'armv8-a'] > check_compiler_support = false > foreach supported_march: supported_marchs