From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 31441 invoked by alias); 12 Jan 2010 09:08:11 -0000 Received: (qmail 31265 invoked by uid 48); 12 Jan 2010 09:08:00 -0000 Date: Tue, 12 Jan 2010 09:08:00 -0000 Message-ID: <20100112090800.31264.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug middle-end/42694] Compiler could optimize pow (x, 0.75) into sqrt (x) * sqrt (sqrt (x)) In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "rguenth 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: 2010-01/txt/msg01307.txt.bz2 ------- Comment #2 from rguenth at gcc dot gnu dot org 2010-01-12 09:08 ------- Confirmed and easy to add in the pow expander (expand_builtin_pow). -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rguenth at gcc dot gnu dot | |org Severity|normal |enhancement Status|UNCONFIRMED |NEW Component|rtl-optimization |middle-end Ever Confirmed|0 |1 Last reconfirmed|0000-00-00 00:00:00 |2010-01-12 09:08:00 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42694