From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 15803 invoked by alias); 28 Nov 2011 23:10:03 -0000 Received: (qmail 15742 invoked by uid 22791); 28 Nov 2011 23:10:02 -0000 X-SWARE-Spam-Status: No, hits=-2.9 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 28 Nov 2011 23:09:49 +0000 From: "kkojima at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/51340] SH Target: Make -mfused-madd enabled by default Date: Mon, 28 Nov 2011 23:30:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Keywords: X-Bugzilla-Severity: enhancement X-Bugzilla-Who: kkojima at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 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: 2011-11/txt/msg02724.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51340 --- Comment #1 from Kazumoto Kojima 2011-11-28 23:09:32 UTC --- (In reply to comment #0) > Is there any particular reason why this should not be enabled by > default for SH targets that support the FMAC insn? PR29100? BTW, if SH fmac satisfies the semantics for fused multiplication and add operation, the fmaf4 instruction pattern would be better now.