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Wed, 12 Oct 2022 15:17:13 +0000 From: Wilco Dijkstra To: 'GNU C Library' Subject: [PATCH] aarch64: Cleanup memset ifunc Thread-Topic: [PATCH] aarch64: Cleanup memset ifunc Thread-Index: AQHY3k2FATkFg+sgVkSoO5fmNEuDsQ== Date: Wed, 12 Oct 2022 15:17:13 +0000 Message-ID: Accept-Language: en-GB, en-US Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: Authentication-Results-Original: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=arm.com; x-ms-traffictypediagnostic: AS4PR08MB7901:EE_|AM7PR08MB5336:EE_|DBAEUR03FT036:EE_|DU0PR08MB8065:EE_ X-MS-Office365-Filtering-Correlation-Id: 7484c539-1c19-430e-e401-08daac64dbe4 x-checkrecipientrouted: true nodisclaimer: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0; X-Microsoft-Antispam-Message-Info-Original: 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 X-Forefront-Antispam-Report-Untrusted: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AS4PR08MB7901.eurprd08.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230022)(4636009)(396003)(346002)(39850400004)(376002)(366004)(136003)(451199015)(2906002)(26005)(316002)(8936002)(71200400001)(9686003)(52536014)(6916009)(7696005)(8676002)(6506007)(86362001)(64756008)(66446008)(66476007)(66556008)(66946007)(76116006)(91956017)(41300700001)(38070700005)(55016003)(33656002)(122000001)(186003)(5660300002)(478600001)(38100700002);DIR:OUT;SFP:1101; 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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Oct 2022 15:17:21.2264 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7484c539-1c19-430e-e401-08daac64dbe4 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: DBAEUR03FT036.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU0PR08MB8065 X-Spam-Status: No, score=-11.2 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,FORGED_SPF_HELO,GIT_PATCH_0,KAM_DMARC_NONE,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE,TXREP,UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: =0A= Cleanup memset ifunc selectors. The A64FX memset relies on a ZVA size of 25= 6,=0A= so add an explicit check.=0A= =0A= Passes regress, OK for commit?=0A= =0A= ---=0A= =0A= diff --git a/sysdeps/aarch64/multiarch/ifunc-impl-list.c b/sysdeps/aarch64/= multiarch/ifunc-impl-list.c=0A= index e7c4dcc0ed5a68ecd8dacc06256d0749b76912cb..ed61cac5448e345b8c93eec21d4= 93af5aabe1d3a 100644=0A= --- a/sysdeps/aarch64/multiarch/ifunc-impl-list.c=0A= +++ b/sysdeps/aarch64/multiarch/ifunc-impl-list.c=0A= @@ -53,7 +53,7 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifu= nc_impl *array,=0A= IFUNC_IMPL_ADD (array, i, memset, (zva_size =3D=3D 64), __memset_em= ag)=0A= IFUNC_IMPL_ADD (array, i, memset, 1, __memset_kunpeng)=0A= #if HAVE_AARCH64_SVE_ASM=0A= - IFUNC_IMPL_ADD (array, i, memset, sve, __memset_a64fx)=0A= + IFUNC_IMPL_ADD (array, i, memset, sve && zva_size =3D=3D 256, __mem= set_a64fx)=0A= #endif=0A= IFUNC_IMPL_ADD (array, i, memset, 1, __memset_generic))=0A= IFUNC_IMPL (i, name, memchr,=0A= diff --git a/sysdeps/aarch64/multiarch/memset.c b/sysdeps/aarch64/multiarch= /memset.c=0A= index 884f08a3acbaeeaf5dafad3fe6e7d535c7a379f4..59bd0e64f894b4ab748fe385cdf= b136f2707da94 100644=0A= --- a/sysdeps/aarch64/multiarch/memset.c=0A= +++ b/sysdeps/aarch64/multiarch/memset.c=0A= @@ -30,23 +30,31 @@ extern __typeof (__redirect_memset) __libc_memset;=0A= =0A= extern __typeof (__redirect_memset) __memset_emag attribute_hidden;=0A= extern __typeof (__redirect_memset) __memset_kunpeng attribute_hidden;=0A= -# if HAVE_AARCH64_SVE_ASM=0A= extern __typeof (__redirect_memset) __memset_a64fx attribute_hidden;=0A= -# endif=0A= extern __typeof (__redirect_memset) __memset_generic attribute_hidden;=0A= =0A= -libc_ifunc (__libc_memset,=0A= - IS_KUNPENG920 (midr)=0A= - ?__memset_kunpeng=0A= - : (IS_EMAG (midr) && zva_size =3D=3D 64=0A= - ? __memset_emag=0A= -# if HAVE_AARCH64_SVE_ASM=0A= - : (IS_A64FX (midr) && sve=0A= - ? __memset_a64fx=0A= - : __memset_generic)));=0A= -# else=0A= - : __memset_generic));=0A= -# endif=0A= +static inline __typeof (__redirect_memset) *=0A= +select_memset_ifunc (void)=0A= +{=0A= + INIT_ARCH ();=0A= +=0A= + if (sve && HAVE_AARCH64_SVE_ASM)=0A= + {=0A= + if (IS_A64FX (midr) && zva_size =3D=3D 256)=0A= + return __memset_a64fx;=0A= + return __memset_generic;=0A= + }=0A= +=0A= + if (IS_KUNPENG920 (midr))=0A= + return __memset_kunpeng;=0A= +=0A= + if (IS_EMAG (midr) && zva_size =3D=3D 64)=0A= + return __memset_emag;=0A= +=0A= + return __memset_generic;=0A= +}=0A= +=0A= +libc_ifunc (__libc_memset, select_memset_ifunc ());=0A= =0A= # undef memset=0A= strong_alias (__libc_memset, memset);=0A= =0A=