From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 4095 invoked by alias); 30 May 2011 17:14:02 -0000 Received: (qmail 4079 invoked by uid 22791); 30 May 2011 17:14:01 -0000 X-SWARE-Spam-Status: No, hits=-2.7 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, 30 May 2011 17:13:47 +0000 From: "wschmidt at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/46728] GCC does not generate fmadd for pow (x, 0.75)+y on powerpc X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: wschmidt at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: wschmidt 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 Date: Mon, 30 May 2011 17:42:00 -0000 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: 2011-05/txt/msg03036.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46728 --- Comment #10 from William J. Schmidt 2011-05-30 17:12:58 UTC --- Author: wschmidt Date: Mon May 30 17:12:53 2011 New Revision: 174446 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=174446 Log: 2011-05-30 Bill Schmidt PR tree-optimization/46728 * tree-ssa-math-opts.c (build_and_insert_call): Reorder parms. (build_and_insert_binop): New. (gimple_expand_builtin_pow): Reorder args for build_and_insert_call; use build_and_insert_binop; add more optimizations for fractional exponents. Modified: trunk/gcc/ChangeLog trunk/gcc/tree-ssa-math-opts.c