From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18581 invoked by alias); 24 Feb 2009 12:01:05 -0000 Received: (qmail 17861 invoked by uid 48); 24 Feb 2009 12:00:51 -0000 Date: Tue, 24 Feb 2009 12:01:00 -0000 Message-ID: <20090224120051.17860.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug fortran/39280] Optimizing integer power In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "burnus 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: 2009-02/txt/msg02085.txt.bz2 ------- Comment #2 from burnus at gcc dot gnu dot org 2009-02-24 12:00 ------- > ... this asks for a POW_EXPR middle-end tree I guess. I think that would be useful. See also middle-end PR 32503. > Or you can use builtins.c:expand_powi* do generate an expanded power series. That won't work for (-1)**variable, does it? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39280