From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 29161 invoked by alias); 28 Sep 2014 07:36:32 -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 29112 invoked by uid 48); 28 Sep 2014 07:36:18 -0000 From: "andi-gcc at firstfloor dot org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/61605] Potential optimization: Keep unclobbered argument registers live across function calls Date: Sun, 28 Sep 2014 07:36:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: andi-gcc at firstfloor 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: 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: 2014-09/txt/msg02589.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61605 --- Comment #3 from Andi Kleen --- It was supposed to be enabled with Date: Fri May 30 11:39:49 2014 +0000 -fuse-caller-save - Enable for i386 2014-05-30 Tom de Vries * config/i386/i386.c (TARGET_CALL_FUSAGE_CONTAINS_NON_CALLEE_CLOBBERS): Redefine as true. * gcc.target/i386/fuse-caller-save.c: New test. * gcc.dg/ira-shrinkwrap-prep-1.c: Run with -fno-use-caller-save. * gcc.dg/ira-shrinkwrap-prep-2.c: Same. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211078 138bc75d-0d04-0410-961f-82ee72b054a4