--- /dev/null
+Return-path: <libre-riscv-dev-bounces@lists.libre-riscv.org>
+Envelope-to: publicinbox@libre-riscv.org
+Delivery-date: Tue, 07 Apr 2020 14:38:48 +0100
+Received: from localhost ([::1] helo=libre-riscv.org)
+ by libre-riscv.org with esmtp (Exim 4.89)
+ (envelope-from <libre-riscv-dev-bounces@lists.libre-riscv.org>)
+ id 1jLoRD-0004bo-7i; Tue, 07 Apr 2020 14:38:47 +0100
+Received: from localhost ([127.0.0.1] helo=bugs.libre-riscv.org)
+ by libre-riscv.org with esmtp (Exim 4.89)
+ (envelope-from <bugzilla-daemon@libre-riscv.org>) id 1jLoRB-0004bd-TU
+ for libre-riscv-dev@lists.libre-riscv.org; Tue, 07 Apr 2020 14:38:45 +0100
+From: bugzilla-daemon@libre-riscv.org
+To: libre-riscv-dev@lists.libre-riscv.org
+Date: Tue, 07 Apr 2020 13:38:46 +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: ALU (including IEEE754 16/32/64-bit FPU)
+X-Bugzilla-Version: unspecified
+X-Bugzilla-Keywords:
+X-Bugzilla-Severity: enhancement
+X-Bugzilla-Who: programmerjake@gmail.com
+X-Bugzilla-Status: CONFIRMED
+X-Bugzilla-Resolution:
+X-Bugzilla-Priority: ---
+X-Bugzilla-Assigned-To: lkcl@lkcl.net
+X-Bugzilla-Flags:
+X-Bugzilla-Changed-Fields: cc
+Message-ID: <bug-267-13-Q50EntxEb4@http.bugs.libre-riscv.org/>
+In-Reply-To: <bug-267-13@http.bugs.libre-riscv.org/>
+References: <bug-267-13@http.bugs.libre-riscv.org/>
+X-Bugzilla-URL: http://bugs.libre-riscv.org/
+Auto-Submitted: auto-generated
+MIME-Version: 1.0
+Subject: [libre-riscv-dev] [Bug 267] The efficiency of adder/subtractor
+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>
+
+aHR0cDovL2J1Z3MubGlicmUtcmlzY3Yub3JnL3Nob3dfYnVnLmNnaT9pZD0yNjcKCkphY29iIExp
+ZnNoYXkgPHByb2dyYW1tZXJqYWtlQGdtYWlsLmNvbT4gY2hhbmdlZDoKCiAgICAgICAgICAgV2hh
+dCAgICB8UmVtb3ZlZCAgICAgICAgICAgICAgICAgICAgIHxBZGRlZAotLS0tLS0tLS0tLS0tLS0t
+LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t
+LS0tCiAgICAgICAgICAgICAgICAgQ0N8ICAgICAgICAgICAgICAgICAgICAgICAgICAgIHxwcm9n
+cmFtbWVyamFrZUBnbWFpbC5jb20KCi0tLSBDb21tZW50ICM4IGZyb20gSmFjb2IgTGlmc2hheSA8
+cHJvZ3JhbW1lcmpha2VAZ21haWwuY29tPiAtLS0KKEluIHJlcGx5IHRvIEpvY2sgVGFubmVyIGZy
+b20gY29tbWVudCAjNikKPiBUaGUgaWRlYSBpcyBzbyBzaW1wbGUgeWV0IHNvIG91dC1vZi10aGUt
+Ym94ISBJIGZlZWwgbGlrZSBJJ20gaW4gYSBXZXN0ZXJuCj4gbW92aWUsIHdoaWxlIG15IHBhcnRu
+ZXIgaXMgZGV2aXNpbmcgYSBnZXQtcmljaC1mYXN0IHNjaGVtZToKPiAKPiDiiJIgQW5kIHdoZXJl
+J3MgdGhlIGNhdGNoPwo+IOKIkiBUaGVyZSBpcyBubyBjYXRjaC4KPiAKPiBCVFcgaXMgaXQgcGF0
+ZW50ZWQ/CgpOb3QgdGhhdCBJJ20gYXdhcmUgb2YsIEkgaW52ZW50ZWQgaXQuCgotLSAKWW91IGFy
+ZSByZWNlaXZpbmcgdGhpcyBtYWlsIGJlY2F1c2U6CllvdSBhcmUgb24gdGhlIENDIGxpc3QgZm9y
+IHRoZSBidWcuCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f
+CmxpYnJlLXJpc2N2LWRldiBtYWlsaW5nIGxpc3QKbGlicmUtcmlzY3YtZGV2QGxpc3RzLmxpYnJl
+LXJpc2N2Lm9yZwpodHRwOi8vbGlzdHMubGlicmUtcmlzY3Yub3JnL21haWxtYW4vbGlzdGluZm8v
+bGlicmUtcmlzY3YtZGV2Cg==
+