From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 30093 invoked by alias); 17 Dec 2011 23:48:14 -0000 Received: (qmail 30081 invoked by uid 22791); 17 Dec 2011 23:48:13 -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; Sat, 17 Dec 2011 23:48:00 +0000 From: "dominiq at lps dot ens.fr" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/51606] New: [4.7 Regression] FAIL: gcc.dg/vect/pr51015.c (internal compiler error) on ppc*-*-* Date: Sat, 17 Dec 2011 23:49:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: dominiq at lps dot ens.fr X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Message-ID: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 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: 2011-12/txt/msg01972.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51606 Bug #: 51606 Summary: [4.7 Regression] FAIL: gcc.dg/vect/pr51015.c (internal compiler error) on ppc*-*-* Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned@gcc.gnu.org ReportedBy: dominiq@lps.ens.fr CC: iains@gcc.gnu.org, irar@gcc.gnu.org, jakub@redhat.com, pthaugen@us.ibm.com Host: ppc*-*-* Target: ppc*-*-* Build: ppc*-*-* Between revisions 182355 (OK, see http://gcc.gnu.org/ml/gcc-testresults/2011-12/msg01667.html) and 182398 the following tests have started to fail (see http://gcc.gnu.org/ml/gcc-testresults/2011-12/msg01781.html ) FAIL: gcc.dg/vshift-1.c (internal compiler error) FAIL: gcc.dg/vshift-1.c (test for excess errors) WARNING: gcc.dg/vshift-1.c compilation failed to produce executable FAIL: gcc.dg/vect/pr51015.c (internal compiler error) FAIL: gcc.dg/vect/pr51015.c (test for excess errors) FAIL: gcc.dg/vect/pr51015.c -flto (internal compiler error) FAIL: gcc.dg/vect/pr51015.c -flto (test for excess errors) AFAICT gcc.dg/vshift-1.c fails on powerpc-apple-darwin9 only. The backtrace is Program received signal EXC_BAD_ACCESS, Could not access memory. Reason: KERN_PROTECTION_FAILURE at address: 0x0000000c flow_bb_inside_loop_p (loop=0x4288eb64, bb=0x0) at ../../work/gcc/cfgloop.c:776 776 source_loop = bb->loop_father; (gdb) bt #0 flow_bb_inside_loop_p (loop=0x4288eb64, bb=0x0) at ../../work/gcc/cfgloop.c:776 #1 0x00808d40 in vect_stmt_relevant_p (stmt=, relevant=0xbfffd318, live_p=0xbfffd31c) at ../../work/gcc/tree-vect-stmts.c:260 #2 0x0080eae4 in vect_mark_stmts_to_be_vectorized (loop_vinfo=0x0) at ../../work/gcc/tree-vect-stmts.c:552 #3 0x00827260 in vect_analyze_loop (loop=0x993360) at ../../work/gcc/tree-vect-loop.c:1521 #4 0x008389b8 in vectorize_loops () at ../../work/gcc/tree-vectorizer.c:203 #5 0x005734d0 in execute_one_pass (pass=0x428d6144) at ../../work/gcc/passes.c:2079 #6 0x005738a8 in execute_pass_list (pass=0x428d6144) at ../../work/gcc/passes.c:2134 #7 execute_pass_list (pass=0xbb64c0) at ../../work/gcc/passes.c:2136 #8 execute_pass_list (pass=0xbb5d70) at ../../work/gcc/passes.c:2136 #9 0x006c85c8 in tree_rest_of_compilation (fndecl=0x428bbe00) at ../../work/gcc/tree-optimize.c:421 #10 0x00278e28 in cgraph_expand_function (node=0x428bbe00) at ../../work/gcc/cgraphunit.c:1818 #11 0x0027ae4c in cgraph_optimize () at ../../work/gcc/cgraphunit.c:1885 #12 0x0027b684 in cgraph_finalize_compilation_unit () at ../../work/gcc/cgraphunit.c:1327 #13 0x0001fdd4 in c_write_global_declarations () at ../../work/gcc/c-decl.c:10026 #14 0x00635cf4 in toplev_main (argc=3, argv=0x4288e6c0) at ../../work/gcc/toplev.c:573 #15 0x00001c34 in start ()