From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18609 invoked by alias); 10 Feb 2008 19:20:06 -0000 Received: (qmail 17709 invoked by uid 48); 10 Feb 2008 19:19:23 -0000 Date: Sun, 10 Feb 2008 19:20:00 -0000 Message-ID: <20080210191923.17708.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug fortran/29549] matmul slow for complex matrices In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "jb at gcc dot gnu dot org" 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: 2008-02/txt/msg01126.txt.bz2 ------- Comment #5 from jb at gcc dot gnu dot org 2008-02-10 19:19 ------- The big culprit seems to be -fcx-limited-range. The other flags enabled by -ffast-math help very little. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29549