[libre-riscv-dev] [Bug 336] ALU CompUnit needs to recognise that RA (src1) can be...

diff --git a/37/7c4f3af2149d57e4037fcb2d9b31cbc7763070 b/37/7c4f3af2149d57e4037fcb2d9b31cbc7763070
new file mode 100644 (file)
index 0000000..6434072
--- /dev/null
+++ b/37/7c4f3af2149d57e4037fcb2d9b31cbc7763070
@@ -0,0 +1,92 @@
+Return-path: <libre-riscv-dev-bounces@lists.libre-riscv.org>
+Envelope-to: publicinbox@libre-riscv.org
+Delivery-date: Sat, 06 Jun 2020 23:38:37 +0100
+Received: from localhost ([::1] helo=libre-riscv.org)
+       by libre-soc.org with esmtp (Exim 4.89)
+       (envelope-from <libre-riscv-dev-bounces@lists.libre-riscv.org>)
+       id 1jhhSW-0006Ph-JP; Sat, 06 Jun 2020 23:38:36 +0100
+Received: from localhost ([127.0.0.1] helo=bugs.libre-soc.org)
+ by libre-soc.org with esmtp (Exim 4.89)
+ (envelope-from <bugzilla-daemon@libre-soc.org>) id 1jhhSU-0006PX-SO
+ for libre-riscv-dev@lists.libre-riscv.org; Sat, 06 Jun 2020 23:38:34 +0100
+From: bugzilla-daemon@libre-soc.org
+To: libre-riscv-dev@lists.libre-riscv.org
+Date: Sat, 06 Jun 2020 22:38:35 +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: <bug-336-13-aHTNfekSqq@https.bugs.libre-soc.org/>
+In-Reply-To: <bug-336-13@https.bugs.libre-soc.org/>
+References: <bug-336-13@https.bugs.libre-soc.org/>
+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
+ <libre-riscv-dev.lists.libre-riscv.org>
+List-Unsubscribe: <http://lists.libre-riscv.org/mailman/options/libre-riscv-dev>, 
+ <mailto:libre-riscv-dev-request@lists.libre-riscv.org?subject=unsubscribe>
+List-Archive: <http://lists.libre-riscv.org/pipermail/libre-riscv-dev/>
+List-Post: <mailto:libre-riscv-dev@lists.libre-riscv.org>
+List-Help: <mailto:libre-riscv-dev-request@lists.libre-riscv.org?subject=help>
+List-Subscribe: <http://lists.libre-riscv.org/mailman/listinfo/libre-riscv-dev>, 
+ <mailto:libre-riscv-dev-request@lists.libre-riscv.org?subject=subscribe>
+Reply-To: Libre-RISCV General Development
+ <libre-riscv-dev@lists.libre-riscv.org>
+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" <libre-riscv-dev-bounces@lists.libre-riscv.org>
+
+aHR0cHM6Ly9idWdzLmxpYnJlLXNvYy5vcmcvc2hvd19idWcuY2dpP2lkPTMzNgoKLS0tIENvbW1l
+bnQgIzUyIGZyb20gTHVrZSBLZW5uZXRoIENhc3NvbiBMZWlnaHRvbiA8bGtjbEBsa2NsLm5ldD4g
+LS0tCihJbiByZXBseSB0byBDZXNhciBTdHJhdXNzIGZyb20gY29tbWVudCAjNTEpCj4gKEluIHJl
+cGx5IHRvIEx1a2UgS2VubmV0aCBDYXNzb24gTGVpZ2h0b24gZnJvbSBjb21tZW50ICM1MCkKPiA+
+IGlmIHlvdSBmZWVsIGl0IGRvZXMgbm90IHRha2UgYSBsb25nIHRpbWUgdG8gImZpeCIgYWx1X2hp
+ZXIucHkgQUxVIGNsYXNzZXMKPiA+IHBsZWFzZSBkbyBnbyBhaGVhZC4KPiAKPiBPbmUgbW9yZSB0
+aGluZy4gVGhlc2UgdGVzdCBBTFVzIGFyZSBub24tcGlwZWxpbmVkLCByaWdodD8gSSBtZWFuLCB0
+aGV5IHRha2UKPiBhIGZpbml0ZSBudW1iZXIgb2YgY3ljbGVzIHRvIHNlcXVlbmNlIHRocm91Z2gg
+dGhlaXIgc3RhZ2VzLCBidXQgYXJlIG5vdCBhYmxlCj4gdG8gYWNjZXB0IGEgbmV3IG9wZXJhdGlv
+biwgZWFjaCBjeWNsZSwgbWVhbndoaWxlLCByaWdodD8KCmNvcnJlY3QuICB0aGlzIGlzIHRvIHNp
+bXVsYXRlIEZTTXMgKHN1Y2ggYXMgYSBESVYgb3BlcmF0aW9uKSBhbmQgYWxzbyB0bwpwcm92aWRl
+IGEgd2F5IHRvIGNoZWNrIHRoYXQgdGhlIE11bHRpQ29tcFVuaXRzIHdvcmsgcHJvcGVybHkgd2hl
+biB0aGVyZSBpcyBhCmRlbGF5LgoKaXQgaXMgYSBTRVZFUkUgdmlvbGF0aW9uIG9mIHRoZSBlbnRp
+cmUgTXVsdGlDb21wVW5pdCBBUEkgZm9yIGEgTUNVIHRvIGV4cGVjdCB0bwpwcm9jZXNzIChnZW5l
+cmF0ZSkgbW9yZSB0aGFuIG9uZSByZXN1bHQgYXQgYSB0aW1lLgoKdGhpcyBiZWNhdXNlIHRoYXQg
+aW1wbGllcyB0aGF0IGl0IGlzICJhYmFuZG9uaW5nIiBhIHJlc3VsdCwgaW4gZGlyZWN0IHZpb2xh
+dGlvbgpvZiBpdHMgcm9sZSBhbmQgcmVzcG9uc2liaWxpdHkgdG8gbW9uaXRvciB0aGUgcmVzdWx0
+IHRocm91Z2ggdG8gY29tcGxldGlvbi4KCnRoZSB3YXkgdG8gdXNlIHBpcGVsaW5lczogZm9yIGFu
+IE4gU3RhZ2UgUGlwZWxpbmUsIGhhdmUgYSBtaW5pbXVtIG9mIE4KTXVsdGlDb21wVW5pdHMgd2l0
+aCBhIGZhbi1pbiBhbmQgZmFuLW91dC4gIHRoaXMgaXMgd2hhdCB0aGUgY2xhc3MKUmVzZXJ2YXRp
+b25TdGF0aW9ucyBpcyBmb3IuCgp0aGUgd2hvbGUgcHVycG9zZSBvZiB3cml0aW5nIHRoaXMgcGFy
+YWxsZWwgdGVzdCBpcyB0byBiZSBhYmxlIHRvIHdvcmsgdG93YXJkcwp0aGUgc2NlbmFyaW8gb2Yg
+ZG9pbmcgZXhhY3RseSB0aGF0OiBoYXZlIE54IE11bHRpQ29tcFVuaXRzIHRocm93IDEwMC0yMDAK
+cmVzdWx0cyBhdCBhIHBpcGVsaW5lIChhICJwcm9wZXIiIE4tc3RhZ2UgcGlwZWxpbmUpIGFuZCBj
+aGVjayB0aGF0IHRoZSByZXN1bHRzCmFyZSBjb25zaXN0ZW50LgoKaG93ZXZlciB0aGF0IGlzIGZv
+ciBsYXRlci4KCj4gSW4gdGhpcyBjYXNlLCBJIHRoaW5rIHNldHRpbmcgcmVhZHlfbyBjb21iaW5h
+dG9yaWFsbHksIGJhc2VkIG9uIHZhbGlkX2kKPiBiZWluZyBoaWdoLCBhbmQgdGhlIHNlcXVlbmNl
+IGNvdW50ZXIgYmVpbmcgemVybywgaXMgZW5vdWdoLiBUaGlzIHdpbGwgZXZlbgo+IGtlZXAgcmVh
+ZHlfbyBmcm9tIGFjdGl2YXRpbmcgaWYgdmFsaWRfaSBpcyBoaWdoIGFuZCB0aGUgQUxVIGlzIHN0
+aWxsIGJ1c3kuCj4gV2lsbCBjaGVjayBpZiBpdCB3b3Jrcy4KCmdvIGZvciBpdC4KCi0tIApZb3Ug
+YXJlIHJlY2VpdmluZyB0aGlzIG1haWwgYmVjYXVzZToKWW91IGFyZSBvbiB0aGUgQ0MgbGlzdCBm
+b3IgdGhlIGJ1Zy4KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f
+X18KbGlicmUtcmlzY3YtZGV2IG1haWxpbmcgbGlzdApsaWJyZS1yaXNjdi1kZXZAbGlzdHMubGli
+cmUtcmlzY3Yub3JnCmh0dHA6Ly9saXN0cy5saWJyZS1yaXNjdi5vcmcvbWFpbG1hbi9saXN0aW5m
+by9saWJyZS1yaXNjdi1kZXYK
+