From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Envelope-to: publicinbox@libre-riscv.org Delivery-date: Mon, 25 May 2020 11:43:55 +0100 Received: from localhost ([::1] helo=libre-riscv.org) by libre-soc.org with esmtp (Exim 4.89) (envelope-from ) id 1jdAaI-0005Hj-1z; Mon, 25 May 2020 11:43:54 +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 1jdAaF-0005HZ-P5 for libre-riscv-dev@lists.libre-riscv.org; Mon, 25 May 2020 11:43:51 +0100 From: bugzilla-daemon@libre-soc.org To: libre-riscv-dev@lists.libre-riscv.org Date: Mon, 25 May 2020 10:43:52 +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" Archived-At: List-Archive: aHR0cHM6Ly9idWdzLmxpYnJlLXNvYy5vcmcvc2hvd19idWcuY2dpP2lkPTMzNgoKLS0tIENvbW1l bnQgIzMwIGZyb20gTHVrZSBLZW5uZXRoIENhc3NvbiBMZWlnaHRvbiA8bGtjbEBsa2NsLm5ldD4g LS0tCihJbiByZXBseSB0byBDZXNhciBTdHJhdXNzIGZyb20gY29tbWVudCAjMjgpCj4gRG9uJ3Qg bG9zZSBzbGVlcCBhYm91dCBpdCwgSSBjYW4gaGFuZGxlIHRoZSBGU00uKEluIHJlcGx5IHRvIEx1 a2UgS2VubmV0aAo+IENhc3NvbiBMZWlnaHRvbiBmcm9tIGNvbW1lbnQgIzI1KQo+ID4gbm90IHF1 aXRlIGNvcnJlY3QsIGRpZCBzb21ldGhpbmcgZGlmZmVyZW50LCBkbyBnaXQgcHVsbCBzZWUgaWYg eW91IGNhbgo+ID4gZ2V0IHRoZSB0ZXN0IHRvIHdvcmsuICB3aWxsIHRha2UgYSBsb29rIGluIG1v cm5pbmcuCj4gCj4gRG9uJ3QgbG9zZSBzbGVlcCBhYm91dCBpdCwgSSBjYW4gaGFuZGxlIHRoZSBG U00uIEl0J3MgbXkgYnJlYWQgYW5kIGJ1dHRlci4KCjopCgppIHJlYWxpc2VkIHRoYXQgYWN0dWFs bHkgdGhlcmUncyBwcm9iYWJseSBub3RoaW5nIHdyb25nIHdpdGggdGhlIG1vZGlmaWNhdGlvbgpp IG1hZGU6IGl0J3MgdGhlIHVuaXQgdGVzdCB0aGF0IG11c3Qgbm90IGNoZWNrIGEgZmxhZyAocmQu cmVxKSB0aGF0IGlzIG5ldmVyCmdvaW5nIHRvIGdldCBzZXQuCgoKKEluIHJlcGx5IHRvIENlc2Fy IFN0cmF1c3MgZnJvbSBjb21tZW50ICMyOSkKPiAoSW4gcmVwbHkgdG8gTHVrZSBLZW5uZXRoIENh c3NvbiBMZWlnaHRvbiBmcm9tIGNvbW1lbnQgIzIyKQo+ID4gaWYgcmQucmVsWzBdIGlzIGJlaW5n IHNldCB3aGVuIHplcm9fYSBpcyBvbiwgeWVzIHRoYXQncyBiYWQuCj4gPiAKPiA+IHJkLmdvW05d IGlzIGFuIGV4dGVybmFsIHJlc3BvbnNlIHRvIHJkLnJlcVtOXS4gIHRoaXMgaXMgd2h5IGl0IGlz IGNyaXRpY2FsCj4gPiB0byBnZXQgcmQucmVxIGFuZCB3ci5yZXEgYml0cyBzZXQgcmlnaHQgYmVj YXVzZSB0aGUgZXh0ZXJuYWwgdXNlciBvZiB0aGUKPiA+IENvbXBVbml0cyBrbml3cyBub3RoaW5n IGFib3V0ICp3aHkqIHRoZXkgYXJlIHNldCwgdGhleSBqdXN0IHJlc3BvbmQuCj4gCj4gSW4gdGhp cyBjYXNlLCAiZXh0ZXJuYWwgdXNlciIgYXJlIHRoZSBkZXBlbmRlbmN5IG1hdHJpY2VzLCByaWdo dD8KCnllcy4KCj4gSSd2ZSByZWFkIGh0dHBzOi8vbGlicmUtc29jLm9yZy8zZF9ncHUvYXJjaGl0 ZWN0dXJlLzY2MDBzY29yZWJvYXJkLy4KPiAKPiBBcyBmYXIgYXMgSSB1bmRlcnN0YW5kIGl0LCB0 aGUgRGVwZW5kZW5jeSBNYXRyaWNlcyBhbHNvIG5lZWQgdG8ga25vdwo+IHRoZW1zZWx2ZXMgdGhh dCB0aGUgb3BlcmFuZCBpcyBpbW1lZGlhdGUsIAoKbm90IHF1aXRlLiAgaW1tZWRpYXRlcyBhcmUg aW1tZWRpYXRlLCB0aGVyZWZvcmUgdGhlcmUgaXMgbm8gY29uY2VwdCBvZiBhCiJkZXBlbmRlbmN5 Ii4gIAoKdGhlcmVmb3JlLCB0ZWNobmljYWxseSB5b3UgYXJlIGNvcnJlY3QsIGJ1dCBpdCBpcyBi eSB3YXkgb2YgInRvdGFsIG9taXNzaW9uCm9mIGludm9sdmVtZW50Ii4KCj4gYW5kIG5vdCBzZXQg dGhlIGNvcnJlc3BvbmRpbmcgRlUtUmVnIExhdGNoLCBjb3JyZWN0PwoKYnkgd2F5IG9mIHRoZSBE TXMgbm90IGluIHRoZSBzbGlnaHRlc3QgcmVtb3RlIGJpdCBrbm93aW5nICphbnl0aGluZyogYWJv dXQKaW1tZWRpYXRlcy4uLi4geWVzLgoKPiBJcyB0aGlzIGFscmVhZHkgaW1wbGVtZW50ZWQ/Cgp5 ZXMuICB0aGUgRE1zIG1hbmFnZSAiZGVwZW5kZW5jaWVzIi4gIGFuIGltbWVkaWF0ZSBpcyBub3Qg YSBEZXBlbmRlbmN5CkhhemFyZCAobm90IGEgcmVhZCBvciB3cml0ZSByZWdpc3RlcikuCgotLSAK WW91IGFyZSByZWNlaXZpbmcgdGhpcyBtYWlsIGJlY2F1c2U6CllvdSBhcmUgb24gdGhlIENDIGxp c3QgZm9yIHRoZSBidWcuCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fCmxpYnJlLXJpc2N2LWRldiBtYWlsaW5nIGxpc3QKbGlicmUtcmlzY3YtZGV2QGxpc3Rz LmxpYnJlLXJpc2N2Lm9yZwpodHRwOi8vbGlzdHMubGlicmUtcmlzY3Yub3JnL21haWxtYW4vbGlz dGluZm8vbGlicmUtcmlzY3YtZGV2Cg==