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

diff --git a/90/3cb2a3176514b5e7d15043f571b6e649f24587 b/90/3cb2a3176514b5e7d15043f571b6e649f24587
new file mode 100644 (file)
index 0000000..4639121
--- /dev/null
+++ b/90/3cb2a3176514b5e7d15043f571b6e649f24587
@@ -0,0 +1,91 @@
+Return-path: <libre-riscv-dev-bounces@lists.libre-riscv.org>
+Envelope-to: publicinbox@libre-riscv.org
+Delivery-date: Fri, 22 May 2020 02:11:03 +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 1jbwDF-0000Eb-OS; Fri, 22 May 2020 02:11:01 +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 1jbwDE-0000ES-Ca
+ for libre-riscv-dev@lists.libre-riscv.org; Fri, 22 May 2020 02:11:00 +0100
+From: bugzilla-daemon@libre-soc.org
+To: libre-riscv-dev@lists.libre-riscv.org
+Date: Fri, 22 May 2020 01:11:00 +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: cestrauss@gmail.com
+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-h8xJkKskcQ@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
+bnQgIzQgZnJvbSBDZXNhciBTdHJhdXNzIDxjZXN0cmF1c3NAZ21haWwuY29tPiAtLS0KKEluIHJl
+cGx5IHRvIEx1a2UgS2VubmV0aCBDYXNzb24gTGVpZ2h0b24gZnJvbSBjb21tZW50ICMzKQo+IChJ
+biByZXBseSB0byBDZXNhciBTdHJhdXNzIGZyb20gY29tbWVudCAjMikKPiA+IERlYXIgTHVrZSwK
+PiA+IAo+ID4gUGxlYXNlIGRvIG5vdCBib3RoZXIgZHJhd2luZyBhIGdhdGUgbGV2ZWwgZGlhZ3Jh
+bSBmb3IgdGhlIEZTTS4gWW91cgo+ID4gZGVzY3JpcHRpb24gaXMgZW5vdWdoLgo+IAo+IHdlIG5l
+ZWQgb25lIGZvciB0aGUgZG9jdW1lbnRhdGlvbiwgd2hpY2ggaXMgYW4gZXh0cmVtZWx5IGltcG9y
+dGFudCBhc3BlY3Qgb2YKPiB0aGlzIHByb2plY3QuCgpJIGFncmVlLCBkb2N1bWVudGF0aW9uIGlz
+IGVzc2VuY2lhbC4KCkJ1dCBJIGFyZ3VlIHRoYXQgYSBkaWFncmFtIHRoYXQgc2hvd3MgdG9vIG11
+Y2ggZGV0YWlsLCBhbmQgZ29lcyBhbGwgdGhlIHdheSB0bwpnYXRlIGxldmVsLCBpcyBtb3JlIGxp
+a2Ugc291cmNlIGNvZGUgdGhhbiBkb2N1bWVudGF0aW9uLgoKPiBwbHVzIGkgZmluZCBpdCB2ZXJ5
+IGRpZmZpY3VsdCB0byB0aGluayBvZiB0aW1pbmcgcmVsYXRlZCBkZXNpZ25zIHdpdGhvdXQgYQo+
+IGdhdGUgbGV2ZWwgZHJhd2luZy4KPiAKPiBhcyBpbiBpIGxpdGVyYWxseSBjYW4ndCB3cml0ZSB0
+aGVzZSBGU01zIHdpdGhvdXQgb25lICghKQoKU3VyZSwgSSB1bmRlcnN0YW5kLiBJdCdzIGp1c3Qg
+cHJhY3RpY2UsIGFuZCByZWFsaXppbmcgdGhlIGNvbnZlbmllbmNlLgoKQXQgdGhlIHN0YXJ0LCBJ
+IHVzZWQgdG8gaW5wdXQgYWxsIG15IEZQR0EgZGVzaWducyB3aXRoIGEgc2NoZW1hdGljcyBlZGl0
+b3IuIFRoZQpGUEdBIGxpYnJhcnkgYWN0dWFsbHkgaGFkIGJsb2NrcyBmb3IgbWFueSBvZiB0aGUg
+NzRYWCBsb2dpYyBmYW1pbHkgcGFydHMuCgpUaGVuLCBhcyBJIGxlYXJuZWQgYWJvdXQgVkhETCwg
+SSBzdGFydGVkIHRyYW5zbGF0aW5nIHNvbWUgb2YgbXkgcHJldmlvdXMKZGVzaWducyB0byBpdC4K
+CkV2ZW50dWFsbHksIEkgZ290IHNvIHVzZWQgdG8gaXQsIHRoYXQgSSBzdGFydGVkIHdyaXRpbmcg
+VkhETCBkaXJlY3RseS4gSXQncyBzbwptdWNoIG1vcmUgY29tcGFjdCwgc28gbGVzcyB0YW5nbGVk
+IHdpcmVzLCBzbyBsZXNzIHRpbWUgc3BlbnQgYXJyYW5naW5nIHRoZQpzeW1ib2xzIGFyb3VuZCB0
+aGUgcGFnZS4KCkxhc3RseSwgSSBsZWFybmVkIGFib3V0IFZlcmlsb2csIGFuZCBzd2l0Y2hlZCB0
+byBpdCBmb3IgaXRzIHNpbXBsaWNpdHkuCgo+ID4gRm9yIHRoZSBkYXRhZmxvdyAocmVnaXN0ZXJz
+LCBBTFUsIG11eGVzKSwgeWVzLCBhIGRpYWdyYW0gaXMgdXNlZnVsLCBidXQgZG8KPiA+IHJlcHJl
+c2VudCB0aGUgd2hvbGUgRlNNIGFzIGFuIGVtcHR5IGJveC4KPiA+IAo+ID4gSSBmaW5kIHRoYXQg
+SSBjYW4gYmV0dGVyIGRlc2lnbiBhbiBGU00gYnkgc3RhcnRpbmcgZnJvbSBhIGJlaGF2aW9yYWwK
+PiA+IGRlc2NyaXB0aW9uLAo+IAo+IHRoZW4gY29tbWVudCAxIHNob3VsZCBkbyB0aGUgdHJpY2s/
+CgpZZXMsIGl0J3MgYWxsIEkgbmVlZC4KClJlZ2FyZHMsCgpDZXNhcgoKLS0gCllvdSBhcmUgcmVj
+ZWl2aW5nIHRoaXMgbWFpbCBiZWNhdXNlOgpZb3UgYXJlIG9uIHRoZSBDQyBsaXN0IGZvciB0aGUg
+YnVnLgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaWJy
+ZS1yaXNjdi1kZXYgbWFpbGluZyBsaXN0CmxpYnJlLXJpc2N2LWRldkBsaXN0cy5saWJyZS1yaXNj
+di5vcmcKaHR0cDovL2xpc3RzLmxpYnJlLXJpc2N2Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpYnJl
+LXJpc2N2LWRldgo=
+