From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5175 invoked by alias); 28 Aug 2011 10:26:43 -0000 Received: (qmail 5151 invoked by uid 22791); 28 Aug 2011 10:26:42 -0000 X-SWARE-Spam-Status: No, hits=-2.8 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,TW_GC 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; Sun, 28 Aug 2011 10:26:31 +0000 From: "mikpe at it dot uu.se" To: java-prs@gcc.gnu.org Subject: [Bug java/48417] -ffixed-regs option can't work in mips-elf-gcj compiler Date: Sun, 28 Aug 2011 10:26:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: java X-Bugzilla-Keywords: X-Bugzilla-Severity: critical X-Bugzilla-Who: mikpe at it dot uu.se 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: 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: 2011-q3/txt/msg00026.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48417 --- Comment #7 from Mikael Pettersson 2011-08-28 10:25:41 UTC --- I guess !global_regs[regno] vs !fixed_regs[regno] matters for compilation units that are compiled with -ffixed-$N but where there is no global register variable declaration for $N in scope. Can you construct a C test case which shows that gcc clobbers a register $N even though the file is compiled with -ffixed-$N ?