From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 9077 invoked by alias); 30 Jan 2012 19:59:32 -0000 Received: (qmail 9060 invoked by uid 22791); 30 Jan 2012 19:59:32 -0000 X-SWARE-Spam-Status: No, hits=-2.8 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,TW_IB,TW_ZJ 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, 30 Jan 2012 19:59:20 +0000 From: "ubizjak at gmail dot com" To: java-prs@gcc.gnu.org Subject: [Bug libgcj/51500] [4.7 regression] 106 unexpected libjava testsuite failures with mingw32 Date: Mon, 30 Jan 2012 19:59:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: libgcj X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: ubizjak at gmail dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P4 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.7.0 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 Mailing-List: contact java-prs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: java-prs-owner@gcc.gnu.org X-SW-Source: 2012-q1/txt/msg00056.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51500 --- Comment #14 from Uros Bizjak 2012-01-30 19:58:43 UTC --- (In reply to comment #13) > Right the following sequence seems to be better IMHO: > > pop %eax > push %ecx > push %eax > mov __ctx, %eax > call fun > pop %ecx > mov %ecx, %(esp) > ret I'd avoid push and pop insns and go directly with moves and %esp adjustments. Please see i.e. libitm/config/x86/sjlj.S for some ideas.