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

diff --git a/54/1e1affd4d3a5c12e2f0aca18a2167079521996 b/54/1e1affd4d3a5c12e2f0aca18a2167079521996
new file mode 100644 (file)
index 0000000..cfabca2
--- /dev/null
+++ b/54/1e1affd4d3a5c12e2f0aca18a2167079521996
@@ -0,0 +1,88 @@
+Return-path: <libre-riscv-dev-bounces@lists.libre-riscv.org>
+Envelope-to: publicinbox@libre-riscv.org
+Delivery-date: Thu, 21 May 2020 22:41:41 +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 1jbswe-0006q0-Jv; Thu, 21 May 2020 22:41:40 +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 1jbswd-0006pr-Ae
+ for libre-riscv-dev@lists.libre-riscv.org; Thu, 21 May 2020 22:41:39 +0100
+From: bugzilla-daemon@libre-soc.org
+To: libre-riscv-dev@lists.libre-riscv.org
+Date: Thu, 21 May 2020 21:41:39 +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-kZUUjLUI39@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
+bnQgIzMgZnJvbSBMdWtlIEtlbm5ldGggQ2Fzc29uIExlaWdodG9uIDxsa2NsQGxrY2wubmV0PiAt
+LS0KKEluIHJlcGx5IHRvIENlc2FyIFN0cmF1c3MgZnJvbSBjb21tZW50ICMyKQo+IERlYXIgTHVr
+ZSwKPiAKPiBQbGVhc2UgZG8gbm90IGJvdGhlciBkcmF3aW5nIGEgZ2F0ZSBsZXZlbCBkaWFncmFt
+IGZvciB0aGUgRlNNLiBZb3VyCj4gZGVzY3JpcHRpb24gaXMgZW5vdWdoLgoKd2UgbmVlZCBvbmUg
+Zm9yIHRoZSBkb2N1bWVudGF0aW9uLCB3aGljaCBpcyBhbiBleHRyZW1lbHkgaW1wb3J0YW50IGFz
+cGVjdCBvZgp0aGlzIHByb2plY3QuCgpwbHVzIGkgZmluZCBpdCB2ZXJ5IGRpZmZpY3VsdCB0byB0
+aGluayBvZiB0aW1pbmcgcmVsYXRlZCBkZXNpZ25zIHdpdGhvdXQgYSBnYXRlCmxldmVsIGRyYXdp
+bmcuCgphcyBpbiBpIGxpdGVyYWxseSBjYW4ndCB3cml0ZSB0aGVzZSBGU01zIHdpdGhvdXQgb25l
+ICghKQoKdGhpcyBvbmUgaXMgd3JvbmcgKGltbSBuZWVkcyBtdXhpbmcpCmh0dHBzOi8vbGlicmUt
+c29jLm9yZy8zZF9ncHUvY29tcHVuaXRfbXVsdGlfcncuanBnCgp0aGUgaW1tIG11eCBwYXRoIGlu
+IHRoaXMgb25lIGlzIGNvcnJlY3QKaHR0cHM6Ly9saWJyZS1zb2Mub3JnLzNkX2dwdS9sZF9zdF9j
+b21wX3VuaXQuanBnCgppbW1lZCBtb2RlIGhvb2tzIFJEX1JFUTIsIHN3aXRjaGluZyBpdCBvZmYu
+Cgo+IEZvciB0aGUgZGF0YWZsb3cgKHJlZ2lzdGVycywgQUxVLCBtdXhlcyksIHllcywgYSBkaWFn
+cmFtIGlzIHVzZWZ1bCwgYnV0IGRvCj4gcmVwcmVzZW50IHRoZSB3aG9sZSBGU00gYXMgYW4gZW1w
+dHkgYm94Lgo+IAo+IEkgZmluZCB0aGF0IEkgY2FuIGJldHRlciBkZXNpZ24gYW4gRlNNIGJ5IHN0
+YXJ0aW5nIGZyb20gYSBiZWhhdmlvcmFsCj4gZGVzY3JpcHRpb24sCgp0aGVuIGNvbW1lbnQgMSBz
+aG91bGQgZG8gdGhlIHRyaWNrPwoKUkRfUkVRMSAocmQucmVxWzBdKSBuZWVkcyB0byBiZSBkaXNh
+YmxlZCBpZiBvcGVyX2kuemVyb19hIGlzIHNldCwgYW5kIHNyY19pWzBdCnNldCB0byB6ZXJvIGlu
+IGFsbCA2NCBiaXRzLgoKCj4gcHJlZmVyYWJseSBpbiB0aGUgZm9ybSBvZiBhIHRpbWluZyBkaWFn
+cmFtLgoKaSBhbSB1c2VkIHRvIGV4YW1pbmluZyB0aG9zZSwgZHJhd2luZyB0aGVtIG5vdCBzbyBt
+dWNoLgoKCj4gSWYgeW91IGxpa2UsIHlvdSBjYW4gZHJhdyBvbmUgaW4gcGFwZXIsIG9mIHdoYXQg
+eW91IHdhbnQgdG8gc2VlIGluIHRoZQo+IEdUS1dhdmUgd2luZG93LiBXaXRoIGFycm93cyBsaW5r
+aW5nIHdoYXQgZWRnZSBjYXVzZXMgd2hpY2ggdHJhbnNpdGlvbiBpbgo+IGFub3RoZXIgc2lnbmFs
+Lgo+IAo+IFdoYXQgZG8geW91IHRoaW5rPwoKaSBjYW4gZ2l2ZSBpdCBhIHNob3Qgb25jZSBpIGFt
+IGNvbmZpZGVudCB3aXRoIHRoZSBnYXRlIGxldmVsLgoKYXJlIHlvdSBvayB0byBnbyB2aWEgdGhl
+IGRlc2NyaXB0aW9uIGZvciBub3c/CgotLSAKWW91IGFyZSByZWNlaXZpbmcgdGhpcyBtYWlsIGJl
+Y2F1c2U6CllvdSBhcmUgb24gdGhlIENDIGxpc3QgZm9yIHRoZSBidWcuCl9fX19fX19fX19fX19f
+X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpYnJlLXJpc2N2LWRldiBtYWlsaW5n
+IGxpc3QKbGlicmUtcmlzY3YtZGV2QGxpc3RzLmxpYnJlLXJpc2N2Lm9yZwpodHRwOi8vbGlzdHMu
+bGlicmUtcmlzY3Yub3JnL21haWxtYW4vbGlzdGluZm8vbGlicmUtcmlzY3YtZGV2Cg==
+