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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jan 2023 16:00:15.6243 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0845a197-dd22-4470-5e74-08daf4b61865 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: AM7EUR03FT013.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM8PR08MB5827 X-Spam-Status: No, score=-11.0 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: Unroll the main loop, which improves performance slightly.=0A= Passes regress.=0A= =0A= ---=0A= =0A= diff --git a/sysdeps/aarch64/strchrnul.S b/sysdeps/aarch64/strchrnul.S=0A= index 4ca1e58c36ac903fad83c4470ed7f4abd6c74e27..aa8c9a4363051b4098c2f60ee83= 0bab7326a54a7 100644=0A= --- a/sysdeps/aarch64/strchrnul.S=0A= +++ b/sysdeps/aarch64/strchrnul.S=0A= @@ -70,14 +70,22 @@ ENTRY (__strchrnul)=0A= =0A= .p2align 4=0A= L(loop):=0A= - ldr qdata, [src, 16]!=0A= + ldr qdata, [src, 16]=0A= + cmeq vhas_chr.16b, vdata.16b, vrepchr.16b=0A= + cmhs vhas_chr.16b, vhas_chr.16b, vdata.16b=0A= + umaxp vend.16b, vhas_chr.16b, vhas_chr.16b=0A= + fmov tmp1, dend=0A= + cbnz tmp1, L(end)=0A= + ldr qdata, [src, 32]!=0A= cmeq vhas_chr.16b, vdata.16b, vrepchr.16b=0A= cmhs vhas_chr.16b, vhas_chr.16b, vdata.16b=0A= umaxp vend.16b, vhas_chr.16b, vhas_chr.16b=0A= fmov tmp1, dend=0A= cbz tmp1, L(loop)=0A= -=0A= + sub src, src, 16=0A= +L(end):=0A= shrn vend.8b, vhas_chr.8h, 4 /* 128->64 */=0A= + add src, src, 16=0A= fmov tmp1, dend=0A= #ifndef __AARCH64EB__=0A= rbit tmp1, tmp1=0A=