From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 4032 invoked by alias); 7 Oct 2015 10:49:52 -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 3941 invoked by uid 48); 7 Oct 2015 10:49:47 -0000 From: "hjl.tools at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/66697] Feature request: -mstackrealign and force_align_arg_pointer for x86_64 Date: Wed, 07 Oct 2015 10:49:00 -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: unknown X-Bugzilla-Keywords: X-Bugzilla-Severity: enhancement X-Bugzilla-Who: hjl.tools at gmail dot com X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: ubizjak at gmail dot com 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: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2015-10/txt/msg00504.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D66697 H.J. Lu changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |hjl.tools at gmail dot com --- Comment #20 from H.J. Lu --- (In reply to Uro=C5=A1 Bizjak from comment #19) > (In reply to Justas L from comment #18) > > Out of curiosity, what could it be that makes -mincoming-stack-boundary= =3D3 > > successfully deal with rogue code while -mstackrealign fails at that? > > Shouldn't -mstackrealign do the same job without being told what the ou= tside > > stack alignment is, or am I misunderstanding it? >=20 > -mstackrealign conditionally generates realignment prologue, depending on > presence of insns that require 128bit alignment. It looks that heuristics= is > not yet fully reliable on x86_64. Bugreports welcome! -mstackrealign works correctly as designed on x86-64. The issue is MIN_STACK_BOUNDARY. When MIN_STACK_BOUNDARY is 128, you don't need to realign the stack if you only need 128-bit stack alignment. >>From gcc-bugs-return-498950-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Wed Oct 07 10:59:24 2015 Return-Path: Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 2531 invoked by alias); 7 Oct 2015 10:59:24 -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 Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 2473 invoked by uid 55); 7 Oct 2015 10:59:19 -0000 From: "vehre at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug fortran/65889] [6 Regressions] [OOP] ICE with sizeof a polymorphic variable. Date: Wed, 07 Oct 2015 10:59:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: fortran X-Bugzilla-Version: 6.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: vehre at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: vehre at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: 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: 2015-10/txt/msg00505.txt.bz2 Content-length: 793 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65889 --- Comment #4 from vehre at gcc dot gnu.org --- Author: vehre Date: Wed Oct 7 10:58:46 2015 New Revision: 228566 URL: https://gcc.gnu.org/viewcvs?rev=228566&root=gcc&view=rev Log: gcc/fortran/ChangeLog: 2015-10-07 Andre Vehreschild PR fortran/65889 * trans-intrinsic.c (gfc_conv_intrinsic_sizeof): Handle pointer to and on stack class objects as sizeof parameter. gcc/testsuite/ChangeLog: 2015-10-07 Andre Vehreschild PR fortran/65889 * gfortran.dg/sizeof_5.f90: New test. Added: trunk/gcc/testsuite/gfortran.dg/sizeof_5.f90 Modified: trunk/gcc/fortran/ChangeLog trunk/gcc/fortran/trans-intrinsic.c trunk/gcc/testsuite/ChangeLog