Return-path: Envelope-to: publicinbox@libre-riscv.org Delivery-date: Tue, 07 Apr 2020 12:39:13 +0100 Received: from localhost ([::1] helo=libre-riscv.org) by libre-riscv.org with esmtp (Exim 4.89) (envelope-from ) id 1jLmZV-0002nC-51; Tue, 07 Apr 2020 12:39:13 +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 1jLmZS-0002n5-Qe for libre-riscv-dev@lists.libre-riscv.org; Tue, 07 Apr 2020 12:39:10 +0100 From: bugzilla-daemon@libre-riscv.org To: libre-riscv-dev@lists.libre-riscv.org Date: Tue, 07 Apr 2020 11:39:11 +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: tanner.of.kha@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" aHR0cDovL2J1Z3MubGlicmUtcmlzY3Yub3JnL3Nob3dfYnVnLmNnaT9pZD0yNjcKCi0tLSBDb21t ZW50ICM0IGZyb20gSm9jayBUYW5uZXIgPHRhbm5lci5vZi5raGFAZ21haWwuY29tPiAtLS0KKElu IHJlcGx5IHRvIEx1a2UgS2VubmV0aCBDYXNzb24gTGVpZ2h0b24gZnJvbSBjb21tZW50ICMzKQo+ IGlmIHlvdSBjYW4gcHV0IHNvbWUgbGlua3MgaGVyZSBhcyB0byB3aGF0IHlvdSdyZSBjb21wYXJp bmcgKGRlc2NyaXB0aW9ucywKPiB0dXRvcmlhbHMsIGdhdGUtbGV2ZWwgZGlhZ3JhbXMpIGkgY2Fu IGdldCB1cCB0byBzcGVlZCBhbmQgZm9sbG93IHRoZQo+IGNvbnZlcnNhdGlvbi4KCkkgbW9zdGx5 IHJlbHkgb24gYSBjb2xsZWdlIHRleHRib29rIGJ5IERhdmlkICYgU2FyYWggSGFycmlzLCBuYW1l ZCDigJxEaWdpdGFsCkRlc2lnbiBhbmQgQ29tcHV0ZXIgQXJjaGl0ZWN0dXJl4oCdLiBJIHJlYWQg aXQgb25seSBpbiBSdXNzaWFuIHRob3VnaC4gVGhlIGJvb2sKaGFzIGEgdmVyeSBkZXRhaWxlZCBl eHBsYW5hdGlvbiBvZiBjYXJyeS1sb29rYWhlYWQgYWRkZXIsIHdpdGggdHJ1dGggdGFibGVzIGFu ZApzY2hlbWF0aWNzLgoKU29tZSBrbm93bGVkZ2UgY2FuIGV2ZW4gYmUgZm91bmQgaW4gV2lraSBb MV0uCgpWZXJ5IHJvdWdobHkgc3BlYWtpbmcsIE4tYml0IHJpcHBsZS1jYXJyeSBhZGRlciB0YWtl cyBhKk4gdHJhbnNpc3RvcnMgYW5kIGIqTgp0aW1lIGZvciBjYWxjdWxhdGlvbiwgd2hpbGUgc3Ry YWlnaHQtb3V0IGNhcnJ5LWxvb2thaGVhZCBhZGRlciB0YWtlcyBhXk4KdHJhbnNpc3RvcnMgYW5k IGIgdGltZS4gQUZBSUsgaW4gcHJhY3RpY2FsIEFMVSBkZXNpZ24gdGhleSBhbHdheXMgbWFrZSBh CmNvbXByb21pc2UgYmV0d2VlbiB0aGUgdHdvLiBBbmQgSSBqdXN0IHdvbmRlciB3aGF0IGtpbmQg b2YgY29tcHJvbWlzZSBjb3VsZCBiZQpzdWl0YWJsZSBmb3IgKnJlY29uZmlndXJhYmxlKiwgaGln aC1zcGVlZCBBTFUuCgpJIGltYWdpbmUgc29tZXRoaW5nIGNhc2NhZGFibGUsIGxpa2UgNzQxODEg Yml0LXNsaWNlIEFMVXMgKyA3NDE4MiBjYXJyeQpnZW5lcmF0b3JzIFsyXSwgYnV0IHdpdGggJ3Bs ZXhvcnMgaW4gYmV0d2Vlbi4gQnV0IHRoZSBzcGVlZCBvZiBzdWNoIGEgZGVzaWduCm1heSBiZSBx dWVzdGlvbmFibGUuCgpbMV0gaHR0cHM6Ly9lbi53aWtpcGVkaWEub3JnL3dpa2kvQWRkZXJfKGVs ZWN0cm9uaWNzKQpbMl0gaHR0cHM6Ly9lbi53aWtpcGVkaWEub3JnL3dpa2kvNzQxODEKCi0tIApZ b3UgYXJlIHJlY2VpdmluZyB0aGlzIG1haWwgYmVjYXVzZToKWW91IGFyZSBvbiB0aGUgQ0MgbGlz dCBmb3IgdGhlIGJ1Zy4KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX18KbGlicmUtcmlzY3YtZGV2IG1haWxpbmcgbGlzdApsaWJyZS1yaXNjdi1kZXZAbGlzdHMu bGlicmUtcmlzY3Yub3JnCmh0dHA6Ly9saXN0cy5saWJyZS1yaXNjdi5vcmcvbWFpbG1hbi9saXN0 aW5mby9saWJyZS1yaXNjdi1kZXYK