From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 13878 invoked by alias); 31 Jul 2009 15:31:34 -0000 Received: (qmail 13833 invoked by uid 48); 31 Jul 2009 15:31:23 -0000 Date: Fri, 31 Jul 2009 15:31:00 -0000 Message-ID: <20090731153123.13832.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug rtl-optimization/40838] gcc shouldn't assume that the stack is aligned In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "mikulas at artax dot karlin dot mff dot cuni dot cz" 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/msg02555.txt.bz2 ------- Comment #17 from mikulas at artax dot karlin dot mff dot cuni dot cz 2009-07-31 15:31 ------- "Even if we align the incoming stack properly, we still have to align the outgoing stack to 16byte" I'm not opposing it. What I mean is: every function will have stack frame size that is multiple of mpreferred-stack-boundary (16 bytes) --- it is what GCC is doing now. And additionally, there will be stack realign for functions that do 16-byte SSE math. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40838