From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-341493-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 26158 invoked by alias); 22 Dec 2010 07:47:18 -0000
Received: (qmail 26148 invoked by uid 22791); 22 Dec 2010 07:47:18 -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 07:47:14 +0000
From: "abel at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/46522] ICE: in reset_sched_cycles_in_current_ebb, at sel-sched.c:7092 with -O3 -fsel-sched-pipelining -fselective-scheduling2 -funroll-loops
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: abel at gcc dot gnu.org
X-Bugzilla-Status: ASSIGNED
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: abel at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 4.6.0
X-Bugzilla-Changed-Fields:
Message-ID: <bug-46522-4-QlotFU9HCi@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-46522-4@http.gcc.gnu.org/bugzilla/>
References: <bug-46522-4@http.gcc.gnu.org/bugzilla/>
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 07:47:00 -0000
Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
X-SW-Source: 2010-12/txt/msg02476.txt.bz2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46522

--- Comment #4 from Andrey Belevantsev <abel at gcc dot gnu.org> 2010-12-22 07:46:57 UTC ---
Author: abel
Date: Wed Dec 22 07:46:53 2010
New Revision: 168164

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=168164
Log:
    PR rtl-optimization/45352
    PR rtl-optimization/46521
    PR rtl-optimization/46522
    * sel-sched.c (reset_sched_cycles_in_current_ebb): Recheck the DFA state
    on the last iteration of the advancing loop.
    (sel_sched_region_1): Propagate the rescheduling bit to the next block
    also for empty blocks.

    * gcc.dg/pr46521.c: New.
    * gcc.dg/pr46522.c: New. 

Added:
    trunk/gcc/testsuite/gcc.dg/pr46521.c
    trunk/gcc/testsuite/gcc.dg/pr46522.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/sel-sched.c
    trunk/gcc/testsuite/ChangeLog