Return-path: Envelope-to: publicinbox@libre-riscv.org Delivery-date: Sat, 23 May 2020 13:51:05 +0100 Received: from localhost ([::1] helo=libre-riscv.org) by libre-soc.org with esmtp (Exim 4.89) (envelope-from ) id 1jcTcE-0003pW-NV; Sat, 23 May 2020 13:51:02 +0100 Received: from localhost ([127.0.0.1] helo=bugs.libre-soc.org) by libre-soc.org with esmtp (Exim 4.89) (envelope-from ) id 1jcTcD-0003pC-3C for libre-riscv-dev@lists.libre-riscv.org; Sat, 23 May 2020 13:51:01 +0100 From: bugzilla-daemon@libre-soc.org To: libre-riscv-dev@lists.libre-riscv.org Date: Sat, 23 May 2020 12:51:01 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Libre-SOC's first SoC X-Bugzilla-Component: Source Code X-Bugzilla-Version: unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: enhancement X-Bugzilla-Who: lkcl@lkcl.net X-Bugzilla-Status: CONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: cestrauss@gmail.com X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: https://bugs.libre-soc.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 Subject: [libre-riscv-dev] [Bug 336] ALU CompUnit needs to recognise that RA (src1) can be zero X-BeenThere: libre-riscv-dev@lists.libre-riscv.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Libre-RISCV General Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Libre-RISCV General Development Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: libre-riscv-dev-bounces@lists.libre-riscv.org Sender: "libre-riscv-dev" aHR0cHM6Ly9idWdzLmxpYnJlLXNvYy5vcmcvc2hvd19idWcuY2dpP2lkPTMzNgoKLS0tIENvbW1l bnQgIzUgZnJvbSBMdWtlIEtlbm5ldGggQ2Fzc29uIExlaWdodG9uIDxsa2NsQGxrY2wubmV0PiAt LS0KQ2VzYXIsIGhpLAoKanVzdCB0byBsZXQgeW91IGtub3csIHRoaXMgc2hvdWxkICpub3QqIGlu dGVyZmVyZSB3aXRoIGFkZGluZyBpc196ZXJvIHN1cHBvcnQuIAppdCBob3dldmVyIHdpbGwgYmUg bmVjZXNzYXJ5IHRvIHVzZSB0aGlzOgoKwqAgwqAgaWYgaGFzYXR0cihzZWxmLm9wZXJfaSwgInpl cm9fYSIpOgogICAgICAgICMgb2sgbm93IHdlIGtub3cgdGhhdCB0aGlzIG9wZXJhdGlvbiByZXF1 aXJlcyB6ZXJvX2Egc3VwcG9ydCwgd2UgY2FuwqAgwqAgCiAgICAgICAgIyBtdXggaW4gemVyb19h LiDCoG90aGVyd2lzZSB3ZSBtdXN0IHB1dCByZWdpc3RlciBhIHN0cmFpZ2h0IHRocm91Z2gKCmkg YW0gZG9pbmcgYSBtaW5vciBjb2RlLW1vcnBoIG9uIE11bHRpQ29tcFVuaXQgd2hpY2ggbWFrZXMg aXQgc3VpdGFibGUgZm9yCmdlbmVyYWwgdXNlIGFjcm9zcyBtdWx0aXBsZSBwaXBlbGluZXMsIGFz IHNwZWNpZmllZCBieSAicmVnc3BlY3MiLiDCoGFuIGV4YW1wbGUKaXMgYmVsb3cuCgpub3RlIHRo YXQgdGhpcyBleGFtcGxlIC0gd2hpY2ggdXNlcyBDb21wQ1JPcFN1YnNldCAqKk5PVCoqIENvbXBB TFVPcFN1YnNldCAtCmlzIHdoeSB3ZSB3aWxsIG5lZWQgdGhlICJkZXRlY3Rpb24iIGFib3ZlLgoK cGxlYXNlIGRvIG5vdCBsZXQgdGhpcyBzdG9wIHlvdSBmcm9tIGFkZGluZyB6ZXJvX2EgZGV0ZWN0 aW9uIHN1cHBvcnQsIGxldCB1cwprZWVwIGluIHRvdWNoIGFuZCBjb29yZGluYXRlIGhlcmUuCgpp IHdpbGwgaGF2ZSB0byBhZGQgImRldGVjdCBpZiB0aGVyZSBpcyBhbiBvcGVyYW5kIEIgaW1tZWRp YXRlIiBpbiB0aGUgc2FtZSB3YXksCnNvIHlvdSBjYW4gc2VlIGhvdyBpdCBpcyBkb25lLgoKCmNs YXNzIENvbXBDUk9wU3Vic2V0KFJlY29yZCk6CiAgICBkZWYgX19pbml0X18oc2VsZiwgbmFtZT1O b25lKToKICAgICAgICBsYXlvdXQgPSAoKCdpbnNuX3R5cGUnLCBJbnRlcm5hbE9wKSwKICAgICAg ICAgICAgICAgICAgKCdmbl91bml0JywgRnVuY3Rpb24pLAogICAgICAgICAgICAgICAgICAoJ2lu c24nLCAzMiksCiAgICAgICAgICAgICAgICAgICgncmVhZF9jcl93aG9sZScsIDEpLAogICAgICAg ICAgICAgICAgICAoJ3dyaXRlX2NyX3dob2xlJywgMSksCiAgICAgICAgICAgICAgICAgICkKCmNs YXNzIENSSW5wdXREYXRhKEludGVnZXJEYXRhKToKwqAgwqAgcmVnc3BlYyA9IFsoJ0lOVCcsICdh JywgJzA6NjMnKSwgwqAgwqAgwqAjIDY0IGJpdCByYW5nZQrCoCDCoCDCoCDCoCDCoCDCoCDCoCDC oCgnSU5UJywgJ2InLCAnMDo2MycpLCDCoCDCoCDCoCMgNkIgYml0IHJhbmdlCsKgIMKgIMKgIMKg IMKgIMKgIMKgIMKgKCdDUicsICdmdWxsX2NyJywgJzA6MzEnKSwgIyAzMiBiaXQgcmFuZ2UKwqAg wqAgwqAgwqAgwqAgwqAgwqAgwqAoJ0NSJywgJ2NyX2EnLCAnMDozJyksIMKgIMKgICMgNCBiaXQg cmFuZ2UKwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAoJ0NSJywgJ2NyX2InLCAnMDozJyksIMKgIMKg ICMgNCBiaXQgcmFuZ2UKwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAoJ0NSJywgJ2NyX2MnLCAnMDoz JyldIMKgIMKgICMgNCBiaXQgcmFuZ2UKY2xhc3MgQ1JPdXRwdXREYXRhKEludGVnZXJEYXRhKToK wqAgwqAgcmVnc3BlYyA9IFsoJ0lOVCcsICdvJywgJzA6NjMnKSwgwqAgwqAgwqAjIDY0IGJpdCBy YW5nZQrCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCgnQ1InLCAnZnVsbF9jcicsICcwOjMxJyksICMg MzIgYml0IHJhbmdlCsKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgKCdDUicsICdjcl9vJywgJzA6Mycp XSDCoCDCoCAjIDQgYml0IHJhbmdlCsKgIMKgIC4uLgoKY2xhc3MgQ1JQaXBlU3BlYyhDb21tb25Q aXBlU3BlYyk6CsKgIMKgIHJlZ3NwZWMgPSAoQ1JJbnB1dERhdGEucmVnc3BlYywgQ1JPdXRwdXRE YXRhLnJlZ3NwZWMpCsKgIMKgIG9wc3Vic2V0a2xzID0gQ29tcENST3BTdWJzZXQKCi0tIApZb3Ug YXJlIHJlY2VpdmluZyB0aGlzIG1haWwgYmVjYXVzZToKWW91IGFyZSBvbiB0aGUgQ0MgbGlzdCBm b3IgdGhlIGJ1Zy4KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18KbGlicmUtcmlzY3YtZGV2IG1haWxpbmcgbGlzdApsaWJyZS1yaXNjdi1kZXZAbGlzdHMubGli cmUtcmlzY3Yub3JnCmh0dHA6Ly9saXN0cy5saWJyZS1yaXNjdi5vcmcvbWFpbG1hbi9saXN0aW5m by9saWJyZS1yaXNjdi1kZXYK