From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 29255 invoked by alias); 14 Jun 2011 07:03:18 -0000 Received: (qmail 29246 invoked by uid 22791); 14 Jun 2011 07:03:17 -0000 X-SWARE-Spam-Status: No, hits=-2.7 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; Tue, 14 Jun 2011 07:03:04 +0000 From: "hp at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/48542] mmix code which calls setjmp/longjmp may not work. X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: hp at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: hp at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- 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 Date: Tue, 14 Jun 2011 07:03:00 -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: 2011-06/txt/msg01155.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48542 --- Comment #5 from Hans-Peter Nilsson 2011-06-14 07:02:02 UTC --- (In reply to comment #4) > on trunk: the > initial-value machinery should have handled the register with the > return-address being clobbered. It does partially; note the store of that > register at the function prologue (with an unpatched gcc). Yep, it's (brr) reload. I'll attach a patch momentarily. I'll have to finish my analysis and do a mmix regtest and a hosted regtest before posting.