From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 19194 invoked by alias); 6 Mar 2013 01:14:32 -0000 Received: (qmail 19184 invoked by uid 22791); 6 Mar 2013 01:14:31 -0000 X-SWARE-Spam-Status: No, hits=-4.8 required=5.0 tests=AWL,BAYES_00,KHOP_RCVD_UNTRUST,KHOP_THREADED,RCVD_IN_HOSTKARMA_W,RCVD_IN_HOSTKARMA_WL X-Spam-Check-By: sourceware.org Received: from relay1.mentorg.com (HELO relay1.mentorg.com) (192.94.38.131) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Wed, 06 Mar 2013 01:14:27 +0000 Received: from svr-orw-fem-01.mgc.mentorg.com ([147.34.98.93]) by relay1.mentorg.com with esmtp id 1UD2w6-0005Dx-Gv from joseph_myers@mentor.com ; Tue, 05 Mar 2013 17:14:26 -0800 Received: from SVR-IES-FEM-01.mgc.mentorg.com ([137.202.0.104]) by svr-orw-fem-01.mgc.mentorg.com over TLS secured channel with Microsoft SMTPSVC(6.0.3790.4675); Tue, 5 Mar 2013 17:14:25 -0800 Received: from digraph.polyomino.org.uk (137.202.0.76) by SVR-IES-FEM-01.mgc.mentorg.com (137.202.0.104) with Microsoft SMTP Server id 14.1.289.1; Wed, 6 Mar 2013 01:14:25 +0000 Received: from jsm28 (helo=localhost) by digraph.polyomino.org.uk with local-esmtp (Exim 4.76) (envelope-from ) id 1UD2w4-0000AC-2K; Wed, 06 Mar 2013 01:14:24 +0000 Date: Wed, 06 Mar 2013 01:14:00 -0000 From: "Joseph S. Myers" To: Richard Henderson CC: Subject: Re: [PATCH v2 13/14] arm: Add optimized submul_1 In-Reply-To: <1362159320-5934-14-git-send-email-rth@twiddle.net> Message-ID: References: <1362159320-5934-1-git-send-email-rth@twiddle.net> <1362159320-5934-14-git-send-email-rth@twiddle.net> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Mailing-List: contact libc-ports-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: libc-ports-owner@sourceware.org X-SW-Source: 2013-03/txt/msg00051.txt.bz2 On Fri, 1 Mar 2013, Richard Henderson wrote: > Written from scratch rather than copied from GMP, due to GPL 2.1 vs > GPL 3, but tested with the GMP testsuite. > > This is 50% faster than the generic code as measured on Cortex-A15, > and the same speed as GMP on the same core. It's probably slower > than GMP on the A8 and A9 cores though. > --- > * sysdeps/arm/submul_1.S: New file. OK. -- Joseph S. Myers joseph@codesourcery.com