From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 25985 invoked by alias); 3 May 2012 10:59:36 -0000 Received: (qmail 25972 invoked by uid 22791); 3 May 2012 10:59:35 -0000 X-SWARE-Spam-Status: No, hits=-4.3 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,KHOP_THREADED 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; Thu, 03 May 2012 10:59:22 +0000 From: "markus at trippelsdorf dot de" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/53185] [4.8 Regression] segmentation fault in vectorizable_load Date: Thu, 03 May 2012 10:59:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: markus at trippelsdorf dot de X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.8.0 X-Bugzilla-Changed-Fields: 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 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: 2012-05/txt/msg00276.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53185 --- Comment #4 from Markus Trippelsdorf 2012-05-03 10:59:05 UTC --- The testcase now (trunk@187082) segfaults in fold_binary_loc: Program received signal SIGSEGV, Segmentation fault. [Switching to process 29611] 0x00000000009cb27d in fold_binary_loc(unsigned int, tree_code, tree_node*, tree_node*, tree_node*) () (gdb) bt #0 0x00000000009cb27d in fold_binary_loc(unsigned int, tree_code, tree_node*, tree_node*, tree_node*) () #1 0x0000000000b574fa in fold_build2_stat_loc(unsigned int, tree_code, tree_node*, tree_node*, tree_node*) () #2 0x00000000006e29ae in ?? () #3 0x0000000000700f28 in vect_transform_stmt(gimple_statement_d*, gimple_stmt_iterator*, bool*, _slp_tree*, _slp_instance*) () #4 0x000000000052a273 in vect_transform_loop(_loop_vec_info*) () #5 0x00000000004ffef0 in vectorize_loops() ()