From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 22034 invoked by alias); 16 Sep 2013 08:31:28 -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 21993 invoked by uid 48); 16 Sep 2013 08:31:25 -0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/58421] [4.9 regression] FAIL: gcc.c-torture/compile/20051216-1.c -O3 -fomit-frame-pointer (internal compiler error) Date: Mon, 16 Sep 2013 08:31:00 -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: 4.9.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth 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: 4.9.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: keywords bug_status cf_reconfirmed_on cc everconfirmed 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/msg01125.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58421 Richard Biener changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |ice-on-valid-code Status|UNCONFIRMED |NEW Last reconfirmed| |2013-09-16 CC|rguenther at suse dot de |rguenth at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from Richard Biener --- Confirmed with a cross from x86_64 and -O3. #1 0x00000000007c857e in add_insn_before_nobb (insn=0x7ffff6ed9b40, before=0x7ffff6e8c708) at /space/rguenther/src/svn/trunk/gcc/emit-rtl.c:3836 3836 gcc_assert (!optimize || !INSN_DELETED_P (before)); (gdb) call debug_rtx (before) (insn/v 361 1077 638 69 (set (reg/f:DI 37 r38 [orig:463 new_vp.2 ] [463]) (unspec:DI [ (mem/f/c:DI (reg/f:DI 47 r48 [760]) [6 new_vp+0 S8 A64]) ] UNSPEC_LDS)) 20051216-1.c:103 23 {movdi_speculative} (nil)) #7 0x0000000000adaba2 in get_nop_from_pool (insn=0x7ffff6e8c708) at /space/rguenther/src/svn/trunk/gcc/sel-sched-ir.c:1048 1048 nop = emit_insn_before (nop, insn); some unsharing is maybe missing? Looks like a backend or scheduling bug anyway.