From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.86.151]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 462BD134A1 for ; Mon, 18 Dec 2023 09:13:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ACULAB.COM Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=aculab.com Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with both STARTTLS and AUTH (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-269-EFmJvLQYPUOJ2E6UmrH6ng-1; Mon, 18 Dec 2023 09:12:58 +0000 X-MC-Unique: EFmJvLQYPUOJ2E6UmrH6ng-1 Received: from AcuMS.Aculab.com (10.202.163.6) by AcuMS.aculab.com (10.202.163.6) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Mon, 18 Dec 2023 09:12:36 +0000 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.048; Mon, 18 Dec 2023 09:12:36 +0000 From: David Laight To: 'Ivan Orlov' , "paul.walmsley@sifive.com" , "palmer@dabbelt.com" , "aou@eecs.berkeley.edu" CC: "conor.dooley@microchip.com" , "ajones@ventanamicro.com" , "samuel@sholland.org" , "alexghiti@rivosinc.com" , "linux-riscv@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "skhan@linuxfoundation.org" Subject: RE: [PATCH] riscv: lib: Optimize 'strlen' function Thread-Topic: [PATCH] riscv: lib: Optimize 'strlen' function Thread-Index: AQHaLduBo9lhsHug1EOTPi9OJpSM+LCtyBWAgABcPYCAAKHfoA== Date: Mon, 18 Dec 2023 09:12:36 +0000 Message-ID: <6aa468db18c04ad39e46612b343b2a60@AcuMS.aculab.com> References: <20231213154530.1970216-1-ivan.orlov0322@gmail.com> <45351e30-d197-4b9c-864f-8ff5f9b6ab61@gmail.com> In-Reply-To: <45351e30-d197-4b9c-864f-8ff5f9b6ab61@gmail.com> Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 RnJvbTogSXZhbiBPcmxvdg0KPiBTZW50OiAxNyBEZWNlbWJlciAyMDIzIDIzOjIzDQo+IA0KPiBP biAxMi8xNy8yMyAxODoxMCwgRGF2aWQgTGFpZ2h0IHdyb3RlOg0KPiA+IEZyb206IEl2YW4gT3Js b3YNCj4gPj4gU2VudDogMTMgRGVjZW1iZXIgMjAyMyAxNTo0Ng0KPiA+DQo+ID4gTG9va2luZyBh dCB0aGUgb2xkIGNvZGUuLi4NCj4gPg0KPiA+PiAgIDE6DQo+ID4+IC0JbGJ1CXQwLCAwKHQxKQ0K PiA+PiAtCWJlcXoJdDAsIDJmDQo+ID4+IC0JYWRkaQl0MSwgdDEsIDENCj4gPj4gLQlqCTFiDQo+ ID4NCj4gPiBJIHN1c3BlY3QgdGhlcmUgaXMgKGF0IGxlYXN0KSBhIHR3byBjbG9jayBzdGFsbCBi ZXR3ZWVuDQo+ID4gdGhlICdsZHUnIGFuZCAnYmVxeicuDQo+IA0KPiBIbW0sIHRoZSBzdGFsbCBl eGlzdHMgZHVlIHRvIG1lbW9yeSBhY2Nlc3M/IFdoeSBkb2VzIHR3byBzdWJzZXF1ZW50DQo+IGFj Y2Vzc2VzIHRvIHRoZSBtZW1vcnkgKGFzIGluIHRoZSBleGFtcGxlIHlvdSBwcm92aWRlZCkgZG8g dGhlIHRyaWNrPyBJcw0KPiBpdCBiZWNhdXNlIHR3byAibGRiInMgY291bGQgYmUgcGFyYWxsZWxp emVkPw0KDQpPbiB0aGUgZnBnYSBSSVNDViAoYW5kIHByb2JhYmx5IG90aGVyICdzbWFsbCcgaW1w bGVtZW50YXRpb25zKQ0KdGhlcmUgaXMgYSB0d28gY2xvY2sgcmVzdWx0IGRlbGF5IGZyb20gbWVt b3J5IGxvYWRzIHdoaWxlIHRoZQ0KcmVzdWx0IGlzIHdyaXR0ZW4gdG8gdGhlICdyZWdpc3RlciBm aWxlJy4NCkFMVSByZXN1bHRzIGdldCBzaG9ydC1jaXJjdWl0ZWQgc28gY2FuIGJlIHVzZWQgaW4g dGhlIG5leHQgaW5zdHJ1Y3Rpb24uDQoNClRoZSBtZW1vcnkgbG9hZHMgdGhlbXNlbHZlcyBhcmUg cGlwZWxpbmVkIGFuZCBjYW4gYmUgaXNzdWVkDQpldmVyeSBjbG9jay4NCihPbiB0aGUgZnBnYSB2 ZXJzaW9uIGFjdHVhbCBtZW1vcnkgZGVsYXlzIHN0YWxsIHRoZSBwaXBlbGluZS4pIA0KDQouLi4N Cj4gTWF5YmUgd2UgY291bGQgZW5oYW5jZSBpdCBldmVuIG1vcmUgYnkgbG9hZGluZyA0IGNvbnNl cXVlbnQgYnl0ZXMgaW50bw0KPiBkaWZmZXJlbnQgcmVnaXN0ZXJzIHNvIHRoZSBtZW1vcnkgbG9h ZHMgd291bGQgc3RpbGwgYmUgcGFyYWxsZWxpemVkPw0KDQpZb3UgbmVlZCB0aGUgbG9hZHMgdG8g YmUgcGlwZWxpbmVkLCBub3QgcGFyYWxsZWxpemVkLg0KVGhhdCB3aWxsIGhlbHAgaWYgdGhlcmUg YXJlIGxvbmdlciBkZWxheXMgYWNjZXNzaW5nIGNhY2hlIG1lbW9yeS4NCg0KSSdkIGV4cGVjdCBh bnkgY3B1IHdpdGggKHNheSkgYSA0IGNsb2NrIGNhY2hlIHJlYWQgbGF0ZW5jeSB0bw0KcGlwZWxp bmUgcmVhZHMgc28gdGhhdCBvbmUgY2FuIGJlIGlzc3VlZCBldmVyeSBjbG9jayBwcm92aWRlZA0K dGhlIHJlc3VsdHMgYXJlbid0IG5lZWRlZC4NCg0KCURhdmlkDQoNCi0NClJlZ2lzdGVyZWQgQWRk cmVzcyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJtLCBNaWx0b24gS2V5bmVzLCBN SzEgMVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykNCg==