From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18388 invoked by alias); 27 Jan 2012 18:49:41 -0000 Received: (qmail 18377 invoked by uid 22791); 27 Jan 2012 18:49:40 -0000 X-SWARE-Spam-Status: No, hits=-2.9 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Fri, 27 Jan 2012 18:49:28 +0000 From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/52023] _Alignof (double) yields wrong value on x86 Date: Fri, 27 Jan 2012 20:12:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: RESOLVED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Status Component Resolution Severity Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 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: 2012-01/txt/msg03188.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52023 Andrew Pinski changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Component|c |target Resolution| |INVALID Severity|major |normal --- Comment #1 from Andrew Pinski 2012-01-27 18:49:01 UTC --- I don't think this is a bug, the alignment requirements in a struct can be different from outside of a struct. On PowerPC-darwin (and powerpc-aix) those testcases will fails also because the struct alignment is different dependent on the placement of the double. Summary: Don't depend on the alignment of the field's type but rather the field itself.