From: bugzilla-daemon <bugzilla-daemon@libre-riscv.org>
Date: Tue, 7 Apr 2020 13:36:20 +0000 (+0000)
Subject: [libre-riscv-dev] [Bug 267] The efficiency of adder/subtractor
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7f0aa7eb24d7b07f6be1bfda5692498978126165;p=libre-riscv-dev.git

[libre-riscv-dev] [Bug 267] The efficiency of adder/subtractor
---

diff --git a/42/900004a9f4a99740fff2822a6c0e1236263789 b/42/900004a9f4a99740fff2822a6c0e1236263789
new file mode 100644
index 0000000..95cedb9
--- /dev/null
+++ b/42/900004a9f4a99740fff2822a6c0e1236263789
@@ -0,0 +1,84 @@
+Return-path: <libre-riscv-dev-bounces@lists.libre-riscv.org>
+Envelope-to: publicinbox@libre-riscv.org
+Delivery-date: Tue, 07 Apr 2020 14:36:22 +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 1jLoOr-0004Yj-Lb; Tue, 07 Apr 2020 14:36:21 +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 1jLoOp-0004Ya-Up
+ for libre-riscv-dev@lists.libre-riscv.org; Tue, 07 Apr 2020 14:36:20 +0100
+From: bugzilla-daemon@libre-riscv.org
+To: libre-riscv-dev@lists.libre-riscv.org
+Date: Tue, 07 Apr 2020 13:36:20 +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: 
+Message-ID: <bug-267-13-ntG2UEEEY9@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>
+
+aHR0cDovL2J1Z3MubGlicmUtcmlzY3Yub3JnL3Nob3dfYnVnLmNnaT9pZD0yNjcKCi0tLSBDb21t
+ZW50ICM3IGZyb20gSmFjb2IgTGlmc2hheSA8cHJvZ3JhbW1lcmpha2VAZ21haWwuY29tPiAtLS0K
+KEluIHJlcGx5IHRvIEpvY2sgVGFubmVyIGZyb20gY29tbWVudCAjNCkKPiBWZXJ5IHJvdWdobHkg
+c3BlYWtpbmcsIE4tYml0IHJpcHBsZS1jYXJyeSBhZGRlciB0YWtlcyBhKk4gdHJhbnNpc3RvcnMg
+YW5kCj4gYipOIHRpbWUgZm9yIGNhbGN1bGF0aW9uLCB3aGlsZSBzdHJhaWdodC1vdXQgY2Fycnkt
+bG9va2FoZWFkIGFkZGVyIHRha2VzIGFeTgo+IHRyYW5zaXN0b3JzIGFuZCBiIHRpbWUuIEFGQUlL
+IGluIHByYWN0aWNhbCBBTFUgZGVzaWduIHRoZXkgYWx3YXlzIG1ha2UgYQo+IGNvbXByb21pc2Ug
+YmV0d2VlbiB0aGUgdHdvLiBBbmQgSSBqdXN0IHdvbmRlciB3aGF0IGtpbmQgb2YgY29tcHJvbWlz
+ZSBjb3VsZAo+IGJlIHN1aXRhYmxlIGZvciAqcmVjb25maWd1cmFibGUqLCBoaWdoLXNwZWVkIEFM
+VS4KPiAKPiBJIGltYWdpbmUgc29tZXRoaW5nIGNhc2NhZGFibGUsIGxpa2UgNzQxODEgYml0LXNs
+aWNlIEFMVXMgKyA3NDE4MiBjYXJyeQo+IGdlbmVyYXRvcnMgWzJdLCBidXQgd2l0aCAncGxleG9y
+cyBpbiBiZXR3ZWVuLiBCdXQgdGhlIHNwZWVkIG9mIHN1Y2ggYSBkZXNpZ24KPiBtYXkgYmUgcXVl
+c3Rpb25hYmxlLgoKSSBoYXZlbid0IGNoZWNrZWQgd2hpY2ggc3BlY2lmaWMgZGVzaWduIHlvc3lz
+IHByb2R1Y2VzIGZvciBhbiBhZGRlciwgYnV0IEkga25vdwp0aGVyZSBhcmUgZGl2aWRlIGFuZCBj
+b25xdWVyIGNhcnJ5IGxvb2thaGVhZCBkZXNpZ25zIHRoYXQgaGF2ZSBhcmVhIG9mCk8oTipsb2co
+TikpIGFuZCBkZWxheSBvZiBPKGxvZyhOKSkgd2hlbiBpZ25vcmluZyBkZWxheSBkdWUgdG8gd2ly
+ZSBsZW5ndGgsIHNvCnRoYXQncyBtdWNoIGJldHRlciB0aGFuIHRoZSBhYm92ZSBhXk4gdmFsdWUu
+CgpJIGZvdW5kIGEgcGFwZXIgd2l0aCBhbiBvdmVydmlldyBvZiBkaWZmZXJlbnQgY2FycnkgbG9v
+a2FoZWFkIGFkZGVyIGRlc2lnbnM6Cmh0dHBzOi8vd3d3LmlqcnRlLm9yZy93cC1jb250ZW50L3Vw
+bG9hZHMvcGFwZXJzL3Y3aTVzNC9FMTA5MjAyNzVTNDE5LnBkZgoKSW4gZmFjdCwgSSdtIHBsYW5u
+aW5nIG9uIHVzaW5nIHRoZSBzYW1lIGtpbmQgb2YgcmVjdXJzaXZlIGRpdmlkZSBhbmQgY29ucXVl
+cgpzdHJ1Y3R1cmUgZm9yIHB1cnBvc2VzIG90aGVyIHRoYW4gYWRkaXRpb24gc3VjaCBhcyBmaW5k
+aW5nIHRoZSBmaXJzdCBzZXQgYml0IG9yCmEgcHJlZml4LXN1bS4KCi0tIApZb3UgYXJlIHJlY2Vp
+dmluZyB0aGlzIG1haWwgYmVjYXVzZToKWW91IGFyZSBvbiB0aGUgQ0MgbGlzdCBmb3IgdGhlIGJ1
+Zy4KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGlicmUt
+cmlzY3YtZGV2IG1haWxpbmcgbGlzdApsaWJyZS1yaXNjdi1kZXZAbGlzdHMubGlicmUtcmlzY3Yu
+b3JnCmh0dHA6Ly9saXN0cy5saWJyZS1yaXNjdi5vcmcvbWFpbG1hbi9saXN0aW5mby9saWJyZS1y
+aXNjdi1kZXYK
+