Return-path: Envelope-to: publicinbox@libre-riscv.org Delivery-date: Tue, 07 Apr 2020 16:14:12 +0100 Received: from localhost ([::1] helo=libre-riscv.org) by libre-riscv.org with esmtp (Exim 4.89) (envelope-from ) id 1jLpvY-0005zI-6o; Tue, 07 Apr 2020 16:14:12 +0100 Received: from relay5-d.mail.gandi.net ([217.70.183.197]) by libre-riscv.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1jLpvW-0005zC-KI for libre-riscv-dev@lists.libre-riscv.org; Tue, 07 Apr 2020 16:14:10 +0100 Received: from webmail.gandi.net (webmail24.sd4.0x35.net [10.200.201.24]) (Authenticated sender: whygee@f-cpu.org) by relay5-d.mail.gandi.net (Postfix) with ESMTPA id 44F8B1C000A for ; Tue, 7 Apr 2020 15:14:09 +0000 (UTC) MIME-Version: 1.0 Date: Tue, 07 Apr 2020 17:14:09 +0200 From: whygee@f-cpu.org To: Libre-RISCV General Development In-Reply-To: References: Message-ID: <395ba2c70f9f495f81e02056b8cf8b22@f-cpu.org> X-Sender: whygee@f-cpu.org User-Agent: Roundcube Webmail/1.3.8 Subject: Re: [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-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: libre-riscv-dev-bounces@lists.libre-riscv.org Sender: "libre-riscv-dev" SGF2ZSBhIGxvb2sgOgpodHRwOi8vd3d3LmVjcy51bWFzcy5lZHUvZWNlL2tvcmVuL2FyaXRoL3Np bXVsYXRvci9BZGQvbG9va2FoZWFkLwoKT24gMjAyMC0wNC0wNyAxNjo0NCwgYnVnemlsbGEtZGFl bW9uQGxpYnJlLXJpc2N2Lm9yZyB3cm90ZToKPiBodHRwOi8vYnVncy5saWJyZS1yaXNjdi5vcmcv c2hvd19idWcuY2dpP2lkPTI2Nwo+IAo+IC0tLSBDb21tZW50ICM5IGZyb20gTHVrZSBLZW5uZXRo IENhc3NvbiBMZWlnaHRvbiA8bGtjbEBsa2NsLm5ldD4gLS0tCj4gKEluIHJlcGx5IHRvIEpvY2sg VGFubmVyIGZyb20gY29tbWVudCAjNikKPj4gVGhlIGlkZWEgaXMgc28gc2ltcGxlIHlldCBzbyBv dXQtb2YtdGhlLWJveCEgSSBmZWVsIGxpa2UgSSdtIGluIGEgCj4+IFdlc3Rlcm4KPj4gbW92aWUs IHdoaWxlIG15IHBhcnRuZXIgaXMgZGV2aXNpbmcgYSBnZXQtcmljaC1mYXN0IHNjaGVtZToKPj4g Cj4+IOKIkiBBbmQgd2hlcmUncyB0aGUgY2F0Y2g/Cj4+IOKIkiBUaGVyZSBpcyBubyBjYXRjaC4K PiAKPiBhIGxvdCBvZiB3aGF0IHdlJ3JlIGRvaW5nIGlzIGxpa2UgdGhhdC4gIHRoZSA2NjAwIHNj b3JlYm9hcmRzIGFyZSAKPiAqdmVyeSoKPiBiYWRseSBtaXN1bmRlcnN0b29kIGFuZCBkcmFzdGlj YWxseSB1bmRlcmVzdGltYXRlZCByaWdodCBhY3Jvc3MgdGhlCj4gZW50aXJlIGluZHVzdHJ5ICh0 aGFua3MgbGFyZ2VseSB0byBQYXR0ZXJzb24ncyBib29rIG9uIFJJU0MgCj4gYXJjaGl0ZWN0dXJl cykuCj4gCj4gY29uc2VxdWVudGx5IHdoYXQncyBpbiBUaG9ybnRvbidzIGJvb2sgIkRlc2lnbiBv ZiBhIENvbXB1dGVyIiAoZ29vZ2xlIAo+IGl0KQo+IGhhcyBoYWQgdG8gYmUgInJlaW52ZW50ZWQi IGFuZCBvZnRlbiBjb21lcyBhdHRhY2hlZCB3aXRoIHVubmVjZXNzYXJ5IAo+IGJhZ2dhZ2UKPiBz dWNoIGFzICJyZWdpc3RlciByZW5hbWVycyIuCj4gCj4gdGhlbiBhZ2FpbiB0aGVyZSBhcmUgYXJl YXMgd2hlcmUgd2UgYXJlICJmdW5jdGlvbmFsIiBidXQgbmVlZCBzZXJpb3VzCj4gaW1wcm92ZW1l bnQuICB3ZSBuZWVkIGEgRGFkZGEgbXVsdGlwbGllciBhbGdvcml0aG0gZm9yIGV4YW1wbGUsIGJl Y2F1c2UKPiB3ZSBjdXJyZW50bHkgaGF2ZSBhIFdhbGxhY2UgVHJlZSBvbmUuCj4gaHR0cHM6Ly9i dWdzLmxpYnJlLXNvYy5vcmcvc2hvd19idWcuY2dpP2lkPTEzNgoKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGlicmUtcmlzY3YtZGV2IG1haWxpbmcgbGlz dApsaWJyZS1yaXNjdi1kZXZAbGlzdHMubGlicmUtcmlzY3Yub3JnCmh0dHA6Ly9saXN0cy5saWJy ZS1yaXNjdi5vcmcvbWFpbG1hbi9saXN0aW5mby9saWJyZS1yaXNjdi1kZXYK