From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10915 invoked by alias); 13 Nov 2008 14:54:18 -0000 Received: (qmail 1088 invoked by uid 48); 13 Nov 2008 14:52:55 -0000 Date: Thu, 13 Nov 2008 14:54:00 -0000 Message-ID: <20081113145255.1087.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug target/27855] [4.3/4.4 regression] reassociation causes the RA to be confused In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "ubizjak at gmail dot com" 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: 2008-11/txt/msg00968.txt.bz2 ------- Comment #26 from ubizjak at gmail dot com 2008-11-13 14:52 ------- (In reply to comment #25) > Now that we have a new RA, is this still an issue? Yes. TYPE=double: gcc -DREPS=1000 -msse3 -O2 -mfpmath=sse -ffast-math -fno-tree-reassoc: atlasmm 60 1000 0.196 2203.95 gcc -DREPS=1000 -msse3 -O2 -mfpmath=sse -ffast-math atlasmm 60 1000 0.276 1565.12 TYPE=float: gcc -DREPS=1000 -msse3 -O2 -mfpmath=sse -ffast-math -fno-tree-reassoc atlasmm 60 1000 0.160 2699.83 gcc -DREPS=1000 -msse3 -O2 -mfpmath=sse -ffast-math atlasmm 60 1000 0.232 1861.96 gcc version 4.4.0 20081113 (experimental) [trunk revision 141819] (GCC) -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27855