From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 15197 invoked by alias); 5 Jun 2006 21:25:42 -0000 Received: (qmail 14917 invoked by uid 48); 5 Jun 2006 21:25:32 -0000 Date: Mon, 05 Jun 2006 21:26:00 -0000 Message-ID: <20060605212532.14915.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug target/27770] [4.2 Regression] wrong code in spec tests for -ftree-vectorize -maltivec In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "dje at gcc dot gnu dot org" Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2006-06/txt/msg00606.txt.bz2 List-Id: ------- Comment #6 from dje at gcc dot gnu dot org 2006-06-05 21:25 ------- I still think this looks like an alignment problem. Without section anchors GCC generates: .lcomm domain_array,13916,16 .type domain_array, @object .lcomm N_domains,4,4 .type N_domains, @object .lcomm N_domain_trees,4,4 .type N_domain_trees, @object .lcomm word_links,1000,16 .type word_links, @object .lcomm visited,1000,16 .type visited, @object with section-anchors GCC generates: .section ".bss" .align 2 .set .LANCHOR0,. + 0 .type N_domains, @object .size N_domains, 4 N_domains: .zero 4 .type domain_array, @object .size domain_array, 13916 domain_array: .zero 13916 .type visited, @object .size visited, 1000 visited: .zero 1000 .type word_links, @object .size word_links, 1000 word_links: .zero 1000 .type N_domain_trees, @object .size N_domain_trees, 4 N_domain_trees: .zero 4 with domain_array and word_links not guaranteed the alignment of 16, if I am reading the assembly correctly. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27770