From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18973 invoked by alias); 25 May 2010 21:42:47 -0000 Received: (qmail 18881 invoked by uid 48); 25 May 2010 21:42:20 -0000 Date: Tue, 25 May 2010 21:42:00 -0000 Message-ID: <20100525214220.18880.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug target/43892] PowerPC suboptimal "add with carry" optimization In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "joakim dot tjernlund at transmode dot se" Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2010-05/txt/msg02886.txt.bz2 ------- Comment #13 from joakim dot tjernlund at transmode dot se 2010-05-25 21:42 ------- (In reply to comment #12) > (In reply to comment #11) > > If this is the case for something as simple as add with carry, one really > > needs a simple way to tell gcc what ppc class CPU one wants to use. > > Please see -mcpu= . > Almost forgot, but how do I specify that at gcc build/configure ? Also, I haven't seen any progress on this issue even though it sounded that the initial fix was easy(addcc expander) -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43892