From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 2005 invoked by alias); 30 Jan 2014 14:41:12 -0000 Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-owner@gcc.gnu.org Received: (qmail 1995 invoked by uid 89); 30 Jan 2014 14:41:11 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.5 required=5.0 tests=AWL,BAYES_00,MIME_BASE64_BLANKS,RP_MATCHES_RCVD autolearn=ham version=3.3.2 X-HELO: mail-gw2-out.broadcom.com Received: from mail-gw2-out.broadcom.com (HELO mail-gw2-out.broadcom.com) (216.31.210.63) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Thu, 30 Jan 2014 14:41:11 +0000 Received: from irvexchcas06.broadcom.com (HELO IRVEXCHCAS06.corp.ad.broadcom.com) ([10.9.208.53]) by mail-gw2-out.broadcom.com with ESMTP; 30 Jan 2014 06:53:37 -0800 Received: from SJEXCHCAS03.corp.ad.broadcom.com (10.16.203.8) by IRVEXCHCAS06.corp.ad.broadcom.com (10.9.208.53) with Microsoft SMTP Server (TLS) id 14.1.438.0; Thu, 30 Jan 2014 06:41:09 -0800 Received: from SJEXCHMB14.corp.ad.broadcom.com ([fe80::41d1:304:b35c:4eaa]) by SJEXCHCAS03.corp.ad.broadcom.com ([::1]) with mapi id 14.01.0438.000; Thu, 30 Jan 2014 06:41:09 -0800 From: Paulo Matos To: Andreas Schwab CC: "gcc@gcc.gnu.org" Subject: RE: Regression [v850,mep...]: sign_extend in loop breaks zero-overhead loop generation Date: Thu, 30 Jan 2014 15:00:00 -0000 Message-ID: <19EB96622A777C4AB91610E763265F463F3030@SJEXCHMB14.corp.ad.broadcom.com> References: <19EB96622A777C4AB91610E763265F463F2F43@SJEXCHMB14.corp.ad.broadcom.com> <87bnytk0fs.fsf@igel.home> In-Reply-To: <87bnytk0fs.fsf@igel.home> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-IsSubscribed: yes X-SW-Source: 2014-01/txt/msg00324.txt.bz2 PiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQ0KPiBGcm9tOiBBbmRyZWFz IFNjaHdhYiBbbWFpbHRvOnNjaHdhYkBsaW51eC1tNjhrLm9yZ10NCj4gU2Vu dDogMzAgSmFudWFyeSAyMDE0IDE0OjI5DQo+IFRvOiBQYXVsbyBNYXRvcw0K PiBDYzogZ2NjQGdjYy5nbnUub3JnDQo+IFN1YmplY3Q6IFJlOiBSZWdyZXNz aW9uIFt2ODUwLG1lcC4uLl06IHNpZ25fZXh0ZW5kIGluIGxvb3AgYnJlYWtz IHplcm8tb3ZlcmhlYWQNCj4gbG9vcCBnZW5lcmF0aW9uDQo+IA0KPiBQYXVs byBNYXRvcyA8cG1hdG9zQGJyb2FkY29tLmNvbT4gd3JpdGVzOg0KPiANCj4g PiB2b2lkDQo+ID4gZm9vIChzaG9ydCBibG9ja1NpemUpDQo+ID4gew0KPiA+ ICAgc2hvcnQgaTsNCj4gPiAgIHVuc2lnbmVkIHNob3J0IGxvb3BDb3VudDsN Cj4gPg0KPiA+ICAgbG9vcENvdW50ID0gKHVuc2lnbmVkIHNob3J0KSAoYmxv Y2tTaXplICsgZGVsYXlMZW5ndGgpICUgODsNCj4gPiAgIGZvciAoaSA9IDA7 IGkgPCBsb29wQ291bnQ7IGkrKykNCj4gPiAgICAgICAqdGVtcF9wdHIrKyA9 IHggXiAqdGVtcF9wdHIrKzsNCj4gPiB9DQo+IA0KPiBZb3Uga25vdyB0aGF0 IHRoaXMgaXMgdW5kZWZpbmVkIGNvZGU/DQo+DQoNCkNvcnJlY3QsIG15IGFw b2xvZ2llcy4gSSBkaWRuJ3Qgbm90aWNlIHRoZSB1bmRlZmluZWQgYmVoYXZp b3VyIHRoYXQgdGhlIHJlZHVjZXIgaW50cm9kdWNlZCBpbiB0aGUgb3JpZ2lu YWwgY29kZS4NCkhvd2V2ZXIsIHRoZSBpc3N1ZSBwZXJzaXN0cy4NCklmIGlu c3RlYWQgSSB3cml0ZToNCnZvaWQNCmZvbyAoc2hvcnQgYmxvY2tTaXplKQ0K ew0KICBzaG9ydCBpOw0KICB1bnNpZ25lZCBzaG9ydCBsb29wQ291bnQ7DQog IGxvb3BDb3VudCA9ICh1bnNpZ25lZCBzaG9ydCkgKGJsb2NrU2l6ZSArIGRl bGF5TGVuZ3RoKSAlIDg7DQogIGZvciAoaSA9IDA7IGkgPCBsb29wQ291bnQ7 IGkrKykNCiAgICAgICp0ZW1wX3B0cisrID0geCBeICp0ZW1wX3B0cjsNCn0N Cg0KdGhlIHNpZ24gZXh0ZW5kIGlzIHN0aWxsIGdlbmVyYXRlZCBmcm9tIHRo ZSByZWZlcmVuY2VkIGNvbW1pdCBhbmQgcGVyc2lzdHMgdW50aWwgdHJ1bmsu IFRoaXMgY2F1c2VzIHRoZSB6ZXJvIG92ZXJoZWFkIGxvb3Agbm90IHRvIGJl IGdlbmVyYXRlZC4NCg0KVGhhbmtzLA0KDQpQYXVsbyBNYXRvcw0KIA0KPiBB bmRyZWFzLg0KPiANCj4gLS0NCj4gQW5kcmVhcyBTY2h3YWIsIHNjaHdhYkBs aW51eC1tNjhrLm9yZw0KPiBHUEcgS2V5IGZpbmdlcnByaW50ID0gNThDQSA1 NEM3IDZENTMgOTQyQiAxNzU2ICAwMUQzIDQ0RDUgMjE0QiA4Mjc2IDRFRDUN Cj4gIkFuZCBub3cgZm9yIHNvbWV0aGluZyBjb21wbGV0ZWx5IGRpZmZlcmVu dC4iDQo=