From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 31189 invoked by alias); 28 Mar 2014 07:56:24 -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 Received: (qmail 31173 invoked by uid 48); 28 Mar 2014 07:56:20 -0000 From: "luto at mit dot edu" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/60693] New: ICE on funny memcpy Date: Fri, 28 Mar 2014 07:56:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Version: 4.8.2 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: luto at mit dot edu 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: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter Message-ID: 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: 2014-03/txt/msg02556.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D60693 Bug ID: 60693 Summary: ICE on funny memcpy Product: gcc Version: 4.8.2 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: luto at mit dot edu This little program: int main() { char buf[4096]; memcpy(buf, (void *)0xffffffffff600000, 4096); return 0; } does this: $ gcc ice.c ice.c: In function =E2=80=98main=E2=80=99: ice.c:4:3: warning: incompatible implicit declaration of built-in function =E2=80=98memcpy=E2=80=99 [enabled by default] memcpy(buf, (void *)0xffffffffff600000, 4096); ^ ice.c:4:9: internal compiler error: in ix86_copy_addr_to_reg, at config/i386/i386.c:21886 memcpy(buf, (void *)0xffffffffff600000, 4096); ^ Please submit a full bug report, with preprocessed source if appropriate. See for instructions. Preprocessed source stored into /tmp/ccJqACry.out file, please attach this = to your bugreport. This is gcc (GCC) 4.8.2 20131212 (Red Hat 4.8.2-7). >>From gcc-bugs-return-447688-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Fri Mar 28 08:08:51 2014 Return-Path: Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 6632 invoked by alias); 28 Mar 2014 08:08:50 -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 6598 invoked by uid 48); 28 Mar 2014 08:08:44 -0000 From: "trippels at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/60693] ICE on funny memcpy Date: Fri, 28 Mar 2014 08:08:00 -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: 4.8.2 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: trippels at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.8.3 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_status cf_known_to_work cf_reconfirmed_on component cc everconfirmed target_milestone cf_known_to_fail 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: 2014-03/txt/msg02557.txt.bz2 Content-length: 883 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60693 Markus Trippelsdorf changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Known to work| |4.7.3 Last reconfirmed| |2014-03-28 Component|c |target CC| |hjl at gcc dot gnu.org, | |trippels at gcc dot gnu.org Ever confirmed|0 |1 Target Milestone|--- |4.8.3 Known to fail| |4.8.3, 4.9.0 --- Comment #1 from Markus Trippelsdorf --- Started with r203486.