From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 25327 invoked by alias); 2 Jan 2010 11:18:44 -0000 Received: (qmail 25297 invoked by uid 48); 2 Jan 2010 11:18:32 -0000 Date: Sat, 02 Jan 2010 11:18:00 -0000 Message-ID: <20100102111832.25296.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/39839] [4.3/4.4/4.5 regression] loop invariant motion causes stack spill 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/msg00099.txt.bz2 ------- Comment #8 from rguenth at gcc dot gnu dot org 2010-01-02 11:18 ------- You may also want to try -fsched-pressure -fschedule-insns which is new in GCC 4.5 and might decrease register pressure (no idea if it ever moves things into loops though - the haifa scheduler might not consider it a region to work on). -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39839