From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 2921 invoked by alias); 6 Mar 2020 01:01:21 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Received: (qmail 2791 invoked by uid 89); 6 Mar 2020 01:01:04 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-9.3 required=5.0 tests=AWL,BAYES_00,GIT_PATCH_2,SPF_HELO_PASS,SPF_PASS autolearn=ham version=3.3.1 spammy=H*f:sk:2e5256c, H*MI:sk:2e5256c, H*i:sk:2e5256c, our X-HELO: huawei.com Received: from szxga02-in.huawei.com (HELO huawei.com) (45.249.212.188) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Fri, 06 Mar 2020 01:01:03 +0000 Received: from dggeml406-hub.china.huawei.com (unknown [172.30.72.55]) by Forcepoint Email with ESMTP id 1B8CB3F4FFEFE5D2FF93; Fri, 6 Mar 2020 09:01:00 +0800 (CST) Received: from DGGEML527-MBX.china.huawei.com ([169.254.6.24]) by dggeml406-hub.china.huawei.com ([10.3.17.50]) with mapi id 14.03.0439.000; Fri, 6 Mar 2020 09:00:51 +0800 From: "Yangfei (Felix)" To: "law@redhat.com" , "gcc-patches@gcc.gnu.org" CC: "Zhanghaijian (A)" Subject: RE: [PATCH PR94026] combine missed opportunity to simplify comparisons with zero Date: Fri, 06 Mar 2020 01:01:00 -0000 Message-ID: References: <2e5256cea5103db58f0664a763a2b89904a9db2d.camel@redhat.com> In-Reply-To: <2e5256cea5103db58f0664a763a2b89904a9db2d.camel@redhat.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-IsSubscribed: yes X-SW-Source: 2020-03/txt/msg00332.txt PiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQ0KPiBGcm9tOiBKZWZmIExh dyBbbWFpbHRvOmxhd0ByZWRoYXQuY29tXQ0KPiBTZW50OiBUaHVyc2RheSwg TWFyY2ggNSwgMjAyMCAxMTozNyBQTQ0KPiBUbzogWWFuZ2ZlaSAoRmVsaXgp IDxmZWxpeC55YW5nQGh1YXdlaS5jb20+OyBnY2MtcGF0Y2hlc0BnY2MuZ251 Lm9yZw0KPiBDYzogWmhhbmdoYWlqaWFuIChBKSA8ei56aGFuZ2hhaWppYW5A aHVhd2VpLmNvbT4NCj4gU3ViamVjdDogUmU6IFtQQVRDSCBQUjk0MDI2XSBj b21iaW5lIG1pc3NlZCBvcHBvcnR1bml0eSB0byBzaW1wbGlmeQ0KPiBjb21w YXJpc29ucyB3aXRoIHplcm8NCj4gDQo+IE9uIFdlZCwgMjAyMC0wMy0wNCBh dCAwODozOSArMDAwMCwgWWFuZ2ZlaSAoRmVsaXgpIHdyb3RlOg0KPiA+IEhp LA0KPiA+DQo+ID4gICBUaGlzIGlzIGEgc2ltcGxlIGZpeCBmb3IgUFI5NDAy Ni4NCj4gPiAgIFdpdGggdGhpcyBmaXgsIGNvbWJpbmUgd2lsbCB0cnkgbWFr ZSBhbiBleHRyYWN0aW9uIGlmIHdlIGFyZSBpbiBhDQo+ID4gZXF1YWxpdHkg Y29tcGFyaXNvbiBhbmQgdGhpcyBpcyBhbiBBTkQNCj4gPiAgIHdpdGggYSBj b25zdGFudCB3aGljaCBpcyBwb3dlciBvZiB0d28gbWludXMgb25lLiAgU2hp ZnQgaGVyZSBzaG91bGQNCj4gPiBiZSBhbiBjb25zdGFudC4gIEZvciBleGFt cGxlLCBjb21iaW5lDQo+ID4gICB3aWxsIHRyYW5zZm9ybSAoY29tcGFyZSAo YW5kIChsc2hpZnRydCB4IDgpIDYpIDApIHRvIChjb21wYXJlDQo+ID4gKHpl cm9fZXh0cmFjdCAoeCAyIDkpKSAwKS4NCj4gPg0KPiA+ICAgQWRkZWQgb25l IHRlc3QgY2FzZSBmb3IgdGhpcy4gIEJvb3RzdHJhcCBhbmQgdGVzdGVkIG9u IGJvdGggeDg2XzY0DQo+ID4gYW5kDQo+ID4gYWFyY2g2NCBMaW51eCBwbGF0 Zm9ybS4NCj4gPiAgIEFueSBzdWdnZXN0aW9uPw0KPiA+DQo+ID4gVGhhbmtz LA0KPiA+IEZlbGl4DQo+ID4NCj4gPiBnY2M6DQo+ID4gKzIwMjAtMDMtMDQg IEZlbGl4IFlhbmcgIDxmZWxpeC55YW5nQGh1YXdlaS5jb20+DQo+ID4gKw0K PiA+ICsgICAgICAgUFIgcnRsLW9wdGltaXphdGlvbi85NDAyNg0KPiA+ICsg ICAgICAgKiBjb21iaW5lLmMgKG1ha2VfY29tcG91bmRfb3BlcmF0aW9uX2lu dCk6IE1ha2UgYW4gZXh0cmFjdGlvbg0KPiA+ICsgICAgICAgICBpZiB3ZSBh cmUgaW4gYSBlcXVhbGl0eSBjb21wYXJpc29uIGFuZCB0aGlzIGlzIGFuIEFO RCB3aXRoIGENCj4gPiArICAgICAgICAgY29uc3RhbnQgd2hpY2ggaXMgcG93 ZXIgb2YgdHdvIG1pbnVzIG9uZS4NCj4gPiArDQo+ID4NCj4gPiBnY2MvdGVz dHN1aXRlOg0KPiA+ICsyMDIwLTAzLTA0ICBGZWxpeCBZYW5nICA8ZmVsaXgu eWFuZ0BodWF3ZWkuY29tPg0KPiA+ICsNCj4gPiArICAgICAgIFBSIHJ0bC1v cHRpbWl6YXRpb24vOTQwMjYNCj4gPiArICAgICAgICogZ2NjLmRnL3ByOTQw MjYuYzogTmV3IHRlc3QuDQo+IEp1c3QgYSBub3RlLiAgV2UncmUgaW4gc3Rh Z2U0IG9mIG91ciBkZXZlbG9wbWVudCBjeWNsZSwgbWVhbmluZyB3ZSBmb2N1 cyBvbg0KPiByZWdyZXNzaW9uIGJ1Z2ZpeGVzLiAgSSd2ZSBxdWV1ZWQgdGhp cyBmb3IgZXZhbHVhdGlvbiBpbiBnY2MtMTEuDQo+IGplZmYNCg0KU3VyZSwg dGhpcyBpcyBpbnRlbmRlZCBmb3IgMTEuICBUaGFua3MgZm9yIGRvaW5nIHRo YXQgOiAtICkgDQoNCkJlc3QgcmVnYXJkcywNCkZlbGl4DQo=