From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 82867 invoked by alias); 29 Jun 2015 20:03:55 -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 82851 invoked by uid 48); 29 Jun 2015 20:03:50 -0000 From: "bucaneer at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/66697] New: Feature request: -mstackrealign and force_align_arg_pointer for x86_64 Date: Mon, 29 Jun 2015 20:03:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: unknown X-Bugzilla-Keywords: X-Bugzilla-Severity: enhancement X-Bugzilla-Who: bucaneer at gmail dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: 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: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter target_milestone Message-ID: 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: 2015-06/txt/msg03316.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66697 Bug ID: 66697 Summary: Feature request: -mstackrealign and force_align_arg_pointer for x86_64 Product: gcc Version: unknown Status: UNCONFIRMED Severity: enhancement Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: bucaneer at gmail dot com Target Milestone: --- -mstackrealign option and force_align_arg_pointer attribute work for 32bit x86, but not x86_64. In particular, this makes Wine unable to deal with some untidy 64bit Windows apps: https://bugs.winehq.org/show_bug.cgi?id=27680