From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 25619 invoked by alias); 11 Jul 2011 01:27:05 -0000 Received: (qmail 25609 invoked by uid 22791); 11 Jul 2011 01:27:04 -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; Mon, 11 Jul 2011 01:26:51 +0000 From: "hjl.tools at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/49699] New: Aligned load on unaligned address X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: hjl.tools at gmail dot com 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 Date: Mon, 11 Jul 2011 01:27:00 -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: 2011-07/txt/msg00771.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49699 Summary: Aligned load on unaligned address Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target AssignedTo: unassigned@gcc.gnu.org ReportedBy: hjl.tools@gmail.com CC: ubizjak@gmail.com [hjl@gnu-6 tmp]$ cat a.c #include struct foo { __m128 x; } __attribute__ ((aligned(8))); extern struct foo x; __m128 foo () { return x.x; } [hjl@gnu-6 tmp]$ gcc -msse2 -O a.c -S [hjl@gnu-6 tmp]$ cat a.s .file "a.c" .text .globl foo .type foo, @function foo: .LFB516: .cfi_startproc movaps x(%rip), %xmm0 ret .cfi_endproc .LFE516: .size foo, .-foo .ident "GCC: (GNU) 4.6.0 20110530 (Red Hat 4.6.0-9)" .section .note.GNU-stack,"",@progbits [hjl@gnu-6 tmp]$