From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3F5AEC2BA19 for ; Wed, 15 Apr 2020 09:39:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 253FC20775 for ; Wed, 15 Apr 2020 09:39:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2895720AbgDOJjj (ORCPT ); Wed, 15 Apr 2020 05:39:39 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:55090 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2895690AbgDOJje (ORCPT ); Wed, 15 Apr 2020 05:39:34 -0400 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-26-3LtwRS6zPnGStZcChf9l-A-1; Wed, 15 Apr 2020 10:39:30 +0100 X-MC-Unique: 3LtwRS6zPnGStZcChf9l-A-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Wed, 15 Apr 2020 10:39:30 +0100 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Wed, 15 Apr 2020 10:39:30 +0100 From: David Laight To: =?utf-8?B?J0NocmlzdGlhbiBLw7ZuaWcn?= , "Jani Nikula" , Alex Deucher , Bernard Zhao CC: Alex Sierra , Oak Zeng , "Maling list - DRI developers" , David Airlie , Felix Kuehling , LKML , amd-gfx list , "kernel@vivo.com" , Huang Rui , "Kent Russell" , Alex Deucher , "Sam Ravnborg" , Xiaojie Yuan Subject: RE: [PATCH] Optimized division operation to shift operation Thread-Topic: [PATCH] Optimized division operation to shift operation Thread-Index: AQHWEvuQwS1rXduVrE2yfaZDBTuKn6h57U6g Date: Wed, 15 Apr 2020 09:39:29 +0000 Message-ID: References: <1586864113-30682-1-git-send-email-bernard@vivo.com> <87lfmx5h72.fsf@intel.com> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogQ2hyaXN0aWFuIEvDtm5pZw0KPiBTZW50OiAxNSBBcHJpbCAyMDIwIDA4OjU3DQo+IEFt IDE1LjA0LjIwIHVtIDA5OjQxIHNjaHJpZWIgSmFuaSBOaWt1bGE6DQo+ID4gT24gVHVlLCAxNCBB cHIgMjAyMCwgQWxleCBEZXVjaGVyIDxhbGV4ZGV1Y2hlckBnbWFpbC5jb20+IHdyb3RlOg0KPiA+ PiBPbiBUdWUsIEFwciAxNCwgMjAyMCBhdCA5OjA1IEFNIEJlcm5hcmQgWmhhbyA8YmVybmFyZEB2 aXZvLmNvbT4gd3JvdGU6DQo+ID4+PiBPbiBzb21lIHByb2Nlc3NvcnMsIHRoZSAvIG9wZXJhdGUg d2lsbCBjYWxsIHRoZSBjb21waWxlcmBzIGRpdiBsaWIsDQo+ID4+PiB3aGljaCBpcyBsb3cgZWZm aWNpZW50LCBXZSBjYW4gcmVwbGFjZSB0aGUgLyBvcGVyYXRpb24gd2l0aCBzaGlmdCwNCj4gPj4+ IHNvIHRoYXQgd2UgY2FuIHJlcGxhY2UgdGhlIGNhbGwgb2YgdGhlIGRpdmlzaW9uIGxpYnJhcnkg d2l0aCBvbmUNCj4gPj4+IHNoaWZ0IGFzc2VtYmx5IGluc3RydWN0aW9uLg0KPiA+IFRoaXMgd2Fz IGFwcGxpZWQgYWxyZWFkeSwgYW5kIGl0J3Mgbm90IGluIGEgZHJpdmVyIEkgbG9vayBhZnRlci4u LiBidXQNCj4gPiB0byBtZSB0aGlzIGZlZWxzIGxpa2Ugc29tZXRoaW5nIHRoYXQgcmVhbGx5IHNo b3VsZCBiZQ0KPiA+IGp1c3RpZmllZC4gVXNpbmcgPj4gaW5zdGVhZCBvZiAvIGZvciBtdWx0aXBs ZXMgb2YgMiBkaXZpc2lvbiBtYXR0ZXJlZCAyMA0KPiA+IHllYXJzIGFnbywgSSdkIGJlIHN1cnBy aXNlZCBpZiBpdCBzdGlsbCBkaWQgb24gbW9kZXJuIGNvbXBpbGVycy4NCj4gDQo+IEkgaGF2ZSBz aW1pbGFyIHdvcnJpZXMsIGVzcGVjaWFsbHkgc2luY2Ugd2UgcmVwbGFjZSB0aGUgIi8gKDQgKiAy KSIgd2l0aA0KPiAiPj4gMyIgaXQncyBtYWtpbmcgdGhlIGNvZGUganVzdCBhIGJpdCBsZXNzIHJl YWRhYmxlLg0KPiANCj4gQW5kIHRoYXQgdGhlIGNvZGUgcnVucyBleGFjdGx5IG9uY2Ugd2hpbGUg bG9hZGluZyB0aGUgZHJpdmVyIGFuZCBwdXNoaW5nDQo+IHRoZSBmaXJtd2FyZSBpbnRvIHRoZSBo YXJkd2FyZS4gU28gcGVyZm9ybWFuY2UgaXMgY29tcGxldGVseSBpcnJlbGV2YW50DQo+IGhlcmUu DQoNCkZvcmNlIHRoZSBkaXZpc2lvbiB0byBiZSB1bnNpZ25lZCBhbmQgdGhlIGNvbXBpbGVyIHdp bGwgdXNlIGEgc2hpZnQuDQoNCglEYXZpZA0KDQotDQpSZWdpc3RlcmVkIEFkZHJlc3MgTGFrZXNp ZGUsIEJyYW1sZXkgUm9hZCwgTW91bnQgRmFybSwgTWlsdG9uIEtleW5lcywgTUsxIDFQVCwgVUsN ClJlZ2lzdHJhdGlvbiBObzogMTM5NzM4NiAoV2FsZXMpDQo=