From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: 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 ) 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 ) 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: In-Reply-To: References: 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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Libre-RISCV General Development 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" Archived-At: List-Archive: 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