From 0f1d14830e3bd70fd1436cdbe63490ff997d6dfa Mon Sep 17 00:00:00 2001 From: bugzilla-daemon Date: Tue, 7 Apr 2020 11:48:38 +0000 Subject: [PATCH] [libre-riscv-dev] [Bug 267] The efficiency of adder/subtractor --- fd/88729f0ff024b3c024ad3c83de976b6f113e25 | 102 ++++++++++++++++++++++ 1 file changed, 102 insertions(+) create mode 100644 fd/88729f0ff024b3c024ad3c83de976b6f113e25 diff --git a/fd/88729f0ff024b3c024ad3c83de976b6f113e25 b/fd/88729f0ff024b3c024ad3c83de976b6f113e25 new file mode 100644 index 0000000..8616ae8 --- /dev/null +++ b/fd/88729f0ff024b3c024ad3c83de976b6f113e25 @@ -0,0 +1,102 @@ +Return-path: +Envelope-to: publicinbox@libre-riscv.org +Delivery-date: Tue, 07 Apr 2020 12:48:41 +0100 +Received: from localhost ([::1] helo=libre-riscv.org) + by libre-riscv.org with esmtp (Exim 4.89) + (envelope-from ) + id 1jLmie-0002yZ-D9; Tue, 07 Apr 2020 12:48:40 +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 1jLmic-0002yP-AB + for libre-riscv-dev@lists.libre-riscv.org; Tue, 07 Apr 2020 12:48:38 +0100 +From: bugzilla-daemon@libre-riscv.org +To: libre-riscv-dev@lists.libre-riscv.org +Date: Tue, 07 Apr 2020 11:48:38 +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: lkcl@lkcl.net +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 +ZW50ICM1IGZyb20gTHVrZSBLZW5uZXRoIENhc3NvbiBMZWlnaHRvbiA8bGtjbEBsa2NsLm5ldD4g +LS0tCihJbiByZXBseSB0byBKb2NrIFRhbm5lciBmcm9tIGNvbW1lbnQgIzQpCj4gKEluIHJlcGx5 +IHRvIEx1a2UgS2VubmV0aCBDYXNzb24gTGVpZ2h0b24gZnJvbSBjb21tZW50ICMzKQo+ID4gaWYg +eW91IGNhbiBwdXQgc29tZSBsaW5rcyBoZXJlIGFzIHRvIHdoYXQgeW91J3JlIGNvbXBhcmluZyAo +ZGVzY3JpcHRpb25zLAo+ID4gdHV0b3JpYWxzLCBnYXRlLWxldmVsIGRpYWdyYW1zKSBpIGNhbiBn +ZXQgdXAgdG8gc3BlZWQgYW5kIGZvbGxvdyB0aGUKPiA+IGNvbnZlcnNhdGlvbi4KPiAKPiBJIG1v +c3RseSByZWx5IG9uIGEgY29sbGVnZSB0ZXh0Ym9vayBieSBEYXZpZCAmIFNhcmFoIEhhcnJpcywg +bmFtZWQg4oCcRGlnaXRhbAo+IERlc2lnbiBhbmQgQ29tcHV0ZXIgQXJjaGl0ZWN0dXJl4oCdLiBJ +IHJlYWQgaXQgb25seSBpbiBSdXNzaWFuIHRob3VnaC4gVGhlCj4gYm9vayBoYXMgYSB2ZXJ5IGRl +dGFpbGVkIGV4cGxhbmF0aW9uIG9mIGNhcnJ5LWxvb2thaGVhZCBhZGRlciwgd2l0aCB0cnV0aAo+ +IHRhYmxlcyBhbmQgc2NoZW1hdGljcy4KCmludGVyZXN0aW5nLiAgd2VsbCwgd2hhdCB3ZSB3aWxs +IGJlIHJlbHlpbmcgb24gaXMgeW9zeXMgInN5bnRoIiBjb21tYW5kCnR1cm5pbmcgdGhpbmdzIGZy +b20gaGlnaC1sZXZlbCAid2Ugd2FudCBhbiBOLWJpdCBhZGRlciIgaW50byBsb3ctbGV2ZWwKInRo +ZXNlIDQtYml0IGFkZGVycyBhbmQgZXRjLiBldGMuIGdldCBjcmVhdGVkIi4KCndlIGFyZSBwcmV0 +dHkgbXVjaCB0cnVzdGluZyB5b3N5cyAic3ludGgiIHRvIGhhdmUgdGhlIG9wdGltYWwgc3RhdGUt +b2YtdGhlLWFydApsYXRlc3QgaW5kdXN0cnktcmVjb2duaXNlZCAidGhpbmciLgoKCj4gVmVyeSBy +b3VnaGx5IHNwZWFraW5nLCBOLWJpdCByaXBwbGUtY2FycnkgYWRkZXIgdGFrZXMgYSpOIHRyYW5z +aXN0b3JzIGFuZAo+IGIqTiB0aW1lIGZvciBjYWxjdWxhdGlvbiwgd2hpbGUgc3RyYWlnaHQtb3V0 +IGNhcnJ5LWxvb2thaGVhZCBhZGRlciB0YWtlcyBhXk4KPiB0cmFuc2lzdG9ycyBhbmQgYiB0aW1l +LiBBRkFJSyBpbiBwcmFjdGljYWwgQUxVIGRlc2lnbiB0aGV5IGFsd2F5cyBtYWtlIGEKPiBjb21w +cm9taXNlIGJldHdlZW4gdGhlIHR3by4gQW5kIEkganVzdCB3b25kZXIgd2hhdCBraW5kIG9mIGNv +bXByb21pc2UgY291bGQKPiBiZSBzdWl0YWJsZSBmb3IgKnJlY29uZmlndXJhYmxlKiwgaGlnaC1z +cGVlZCBBTFUuCgppIGhvbmVzdGx5IGhhdmUgbm8gaWRlYSEgOikKCnRoZSBiYXNpYyB1bml0cyB3 +aWxsIGFjdHVhbGx5IGJlIGEgNjQrOC1iaXQgYWRkICh5ZXMgNzIgYml0KS4KCmh0dHBzOi8vZ2l0 +LmxpYnJlLXJpc2N2Lm9yZy8/cD1pZWVlNzU0ZnB1LmdpdDthPWJsb2I7Zj1zcmMvaWVlZTc1NC9w +YXJ0X211bF9hZGQvYWRkZXIucHk7aD1lMTg0OWI0ZDI1ZmM1ZWM0ZmM0NDczY2MwMmIzMmY0OWRk +NTkxMmIyO2hiPTc3ZjE1MGNmZjQ0MGJlZDAyNWUyNDg3YjZmMGZjZGE5ZjUyOTI5MGIjbDEwOAoK +c2VlIHRoZSBjb21tZW50IGRlc2NyaXB0aW9uIHRoZXJlIG9mIGhvdyBpdCB3b3JrcwoKdGhlICJw +YXJ0aXRpb25zIiBhcmUgZG9uZSB2aWEgdGhlIGluc2VydGlvbiBvZiB0aG9zZSAiZXh0cmEgYml0 +cyIuCgp0aG9zZSAiZXh0cmEgYml0cyIgd2lsbCBiZSBzZXQgdG8gMCB0byBjcmVhdGUgYSBwYXJ0 +aXRpb24sIGFuZCAiMSIKdG8gZ2V0IGEgcm9sbC1vdmVyLgoKCnNvIHdlJ3JlIG5vdCAqYWN0dWFs +bHkqICJwYXJ0aXRpb25pbmciIGludG8gY29tcGxldGVseSBzZXBhcmF0ZSA4LWJpdCBhZGRlcnMu +Cgp0aGVyZWZvcmUgaSB3b3VsZCBoYXphcmQgYSBndWVzcyB0aGF0IHRoZSAodW5kZXJseWluZyA3 +Mi1iaXQpIGFkZGVycyBhcmUKcHJvcGVybHkgb3B0aW1pc2VkIGJ5IHlvc3lzICJzeW50aCIgY29t +bWFuZCB0byBnaXZlIGEgZGVjZW50IGZhc3QgYWRkZXIsCnRodXMgZ2l2aW5nIHVzIHRoZSAiYmVz +dCBvZiBib3RoIHdvcmxkcyIuCgppbiBvdGhlciB3b3JkcywgYSBxdWljayBhbmFseXNpcyBsZWFk +cyBtZSB0byBiZWxpZXZlIHRoYXQgd2hhdCB3ZSdyZSB1c2luZwppcyAqbm90KiBhZHZlcnNlbHkg +aW1wYWN0ZWQganVzdCBiZWNhdXNlIGl0J3MgYSBwYXJ0aXRpb25lZCBhZGRlci4KCml0IGhhcyB0 +aGUgKmZ1bmN0aW9uYWxpdHkqIG9mIGEgcGFydGl0aW9uZWQgYWRkZXIgYnV0IGlzIGluIGZhY3Qg +YSA3Mi1iaXQKInN0cmFpZ2h0IiAobm9ybWFsKSBhZGQuCgotLSAKWW91IGFyZSByZWNlaXZpbmcg +dGhpcyBtYWlsIGJlY2F1c2U6CllvdSBhcmUgb24gdGhlIENDIGxpc3QgZm9yIHRoZSBidWcuCl9f +X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpYnJlLXJpc2N2 +LWRldiBtYWlsaW5nIGxpc3QKbGlicmUtcmlzY3YtZGV2QGxpc3RzLmxpYnJlLXJpc2N2Lm9yZwpo +dHRwOi8vbGlzdHMubGlicmUtcmlzY3Yub3JnL21haWxtYW4vbGlzdGluZm8vbGlicmUtcmlzY3Yt +ZGV2Cg== + -- 2.30.2