From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 3751 invoked by alias); 22 Dec 2010 14:33:22 -0000 Received: (qmail 3743 invoked by uid 22791); 22 Dec 2010 14:33:21 -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; Wed, 22 Dec 2010 14:33:17 +0000 From: "amonakov at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/47036] [4.6 Regression] ICE: in move_cond_jump, at sel-sched.c:4901 with -fschedule-insns -fselective-scheduling -fno-dce X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: amonakov at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: amonakov at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Status Last reconfirmed AssignedTo Ever Confirmed 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 Date: Wed, 22 Dec 2010 14:33:00 -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 X-SW-Source: 2010-12/txt/msg02496.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47036 Alexander Monakov changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2010.12.22 14:32:58 AssignedTo|unassigned at gcc dot |amonakov at gcc dot gnu.org |gnu.org | Ever Confirmed|0 |1 --- Comment #1 from Alexander Monakov 2010-12-22 14:32:58 UTC --- Untested patch. I wonder if it has any effect on code generation (it shouldn't; I don't see how we handle moving of unconditional jumps). diff --git a/gcc/sel-sched-ir.c b/gcc/sel-sched-ir.c index 468dfd7..de40ba0 100644 --- a/gcc/sel-sched-ir.c +++ b/gcc/sel-sched-ir.c @@ -4441,9 +4441,6 @@ fallthru_bb_of_jump (rtx jump) if (!JUMP_P (jump)) return NULL; - if (any_uncondjump_p (jump)) - return single_succ (BLOCK_FOR_INSN (jump)); - if (!any_condjump_p (jump)) return NULL;