From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 31484 invoked by alias); 23 Jul 2009 12:34:29 -0000 Received: (qmail 31334 invoked by uid 48); 23 Jul 2009 12:34:02 -0000 Date: Thu, 23 Jul 2009 12:34:00 -0000 Message-ID: <20090723123402.31333.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug rtl-optimization/40667] [4.4/4.5 Regression] stack frames are generated even with -fomit-frame-pointer In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "jakub 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: 2009-07/txt/msg01858.txt.bz2 ------- Comment #19 from jakub at gcc dot gnu dot org 2009-07-23 12:33 ------- Because you need to decide whether to use a frame pointer or not before register allocation, and only during/after register allocation you can find out that something needs to be spilled to stack. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40667