From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 32472 invoked by alias); 8 Aug 2009 11:45:29 -0000 Received: (qmail 32384 invoked by uid 48); 8 Aug 2009 11:45:13 -0000 Date: Sat, 08 Aug 2009 11:45:00 -0000 Message-ID: <20090808114513.32383.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: "hjl dot tools at gmail dot com" 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: 2009-08/txt/msg00800.txt.bz2 ------- Comment #22 from hjl dot tools at gmail dot com 2009-08-08 11:45 ------- (In reply to comment #21) > Hmm, it still generates the stack frame (and the alignment itself) when there > are structures containing long long and with -malign-double. > > Example, compile with -O2 -fomit-frame-pointer -mpreferred-stack-boundary=2 > -malign-double: > It is because -malign-double will align long long to 8 byte. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40667