From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 31624 invoked by alias); 10 Sep 2013 10:30:01 -0000 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 Received: (qmail 31595 invoked by uid 48); 10 Sep 2013 10:29:58 -0000 From: "ktietz at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/54412] Request for 32-byte stack alignment with -mavx on Windows Date: Tue, 10 Sep 2013 10:30:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 4.7.1 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: ktietz at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2013-09/txt/msg00678.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54412 Kai Tietz changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ktietz at gcc dot gnu.org --- Comment #1 from Kai Tietz --- MS' abi doesn't allow this. So I doubt we will be able to implement that for this target. If we want to re-align stack on function-base we will run into troubles with SEH-information. Doesn't it work to align explicit the variable itself?