From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 19932 invoked by alias); 21 Jul 2014 07:17:30 -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 Received: (qmail 19811 invoked by uid 48); 21 Jul 2014 07:17:27 -0000 From: "kumba at gentoo dot org" To: gcc-bugs@gcc.gnu.org Subject: [Bug regression/61538] gcc after commit 39a8c5ea produces bad code for MIPS R1x000 CPUs Date: Mon, 21 Jul 2014 07:17:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: regression X-Bugzilla-Version: 4.8.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: major X-Bugzilla-Who: kumba at gentoo dot org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.created Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-07/txt/msg01434.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61538 --- Comment #20 from Joshua Kinard --- Created attachment 33166 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33166&action=edit Disassembly of the ASM from 'sln' compiled by a non-working gcc-4.8.0. This is the objdump disassembly of the '__lll_lock_wait_private()' function from the sln binary from glibc, statically compiled, by a BAD gcc-4.8.0 checkout (7882e02e) no previous commits reversed. This sln copy will hang trying to print usage instructions.