From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 26676 invoked by alias); 15 Mar 2014 22:12:19 -0000 Mailing-List: contact ecos-patches-help@ecos.sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: ecos-patches-owner@ecos.sourceware.org Received: (qmail 26657 invoked by uid 89); 15 Mar 2014 22:12:18 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=1.5 required=5.0 tests=AWL,BAYES_00,BODY_8BITS,GARBLED_BODY,RCVD_IN_DNSWL_LOW autolearn=no version=3.3.2 X-HELO: mail.ecoscentric.com Received: from hagrid.ecoscentric.com (HELO mail.ecoscentric.com) (212.13.207.197) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-SHA encrypted) ESMTPS; Sat, 15 Mar 2014 22:12:17 +0000 Received: from localhost (hagrid.ecoscentric.com [127.0.0.1]) by mail.ecoscentric.com (Postfix) with ESMTP id 5AECD4698001 for ; Sat, 15 Mar 2014 22:12:14 +0000 (GMT) Received: from mail.ecoscentric.com ([127.0.0.1]) by localhost (hagrid.ecoscentric.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id F89xGQFiY80I; Sat, 15 Mar 2014 22:12:08 +0000 (GMT) From: bugzilla-daemon@bugs.ecos.sourceware.org To: ecos-patches@ecos.sourceware.org Subject: [Bug 1001959] ARM call-graph profiling Date: Sat, 15 Mar 2014 22:12:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: eCos X-Bugzilla-Component: Patches and contributions X-Bugzilla-Keywords: X-Bugzilla-Severity: enhancement X-Bugzilla-Who: ilijak@siva.com.mk X-Bugzilla-Status: NEW X-Bugzilla-Priority: low X-Bugzilla-Assigned-To: unassigned@bugs.ecos.sourceware.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.ecos.sourceware.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-03/txt/msg00016.txt.bz2 Please do not reply to this email, use the link below. http://bugs.ecos.sourceware.org/show_bug.cgi?id=3D1001959 Ilija Kocho [=D0=98=D0=BB=D0=B8=D1=98=D0=B0 =D0=9A=D0=BE=D1=87=D0=BE] changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ilijak@siva.com.mk --- Comment #3 from Ilija Kocho [=D0=98=D0=BB=D0=B8=D1=98=D0=B0 =D0=9A=D0= =BE=D1=87=D0=BE] --- (In reply to comment #2) > (In reply to comment #1) >=20 > > Just for my education (should have asked in bug 1001954 a week ago): Wh= en > > using hardware FP, do we need to also put FPU registers? >=20 > Ilija, by inspection, we know that the mcount functions do not use any FP > registers. These functions call __profile_mcount() which is self-contained > and does not perform any floating point calculations. So there is no > possibility that function arguments passed in FP registers will be modifi= ed > within the call to mcount() or __gnu_mcount_nc() and therefore no need for > the mcount functions to save/restore FP registers. Many thanks John. --=20 You are receiving this mail because: You are on the CC list for the bug.