From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 17132 invoked by alias); 16 Oct 2013 19:18:48 -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 17075 invoked by uid 55); 16 Oct 2013 19:18:44 -0000 From: "dave.anglin at bell dot net" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/56791] [4.8/4.9 Regression] Segmentation fault in stage2 gengenrtl -- Incorrect instruction sequence generated by reload Date: Wed, 16 Oct 2013 19:18:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 4.8.0 X-Bugzilla-Keywords: build, wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: dave.anglin at bell dot net X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.8.3 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: 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: 2013-10/txt/msg01117.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56791 --- Comment #8 from dave.anglin at bell dot net --- On 10/16/2013 3:00 PM, bernds at gcc dot gnu.org wrote: > Candidate patch. Thanks very much for looking at this bug. Will test change shortly. > > The workaround patch is nonsensical since pa_option_override doesn't ever get > called at the right times for this to work. The effect is to entirely disable > autoinc generation. I wasn't worried about that. Autoinc generation is disabled for PA8000 processors since it's supposed to be unprofitable. It's also disabled by default on Linux target. I don't know the history of this and don't trust comment. It might be that it was just broken. Dave