; $Id: $

;; @file

; IPRT - No-CRT fabsf - AMD64 & X86.

;

;

; Copyright (C) 2006-2007 Sun Microsystems, Inc.

;

; This file is part of VirtualBox Open Source Edition (OSE), as

; available from http://www.virtualbox.org. This file is free software;

; you can redistribute it and/or modify it under the terms of the GNU

; General Public License (GPL) as published by the Free Software

; Foundation, in version 2 as it comes in the "COPYING" file of the

; VirtualBox OSE distribution. VirtualBox OSE is distributed in the

; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.

;

; The contents of this file may alternatively be used under the terms

; of the Common Development and Distribution License Version 1.0

; (CDDL) only, as it comes in the "COPYING.CDDL" file of the

; VirtualBox OSE distribution, in which case the provisions of the

; CDDL are applicable instead of those of the GPL.

;

; You may elect to license modified versions of this file under the

; terms and conditions of either the GPL or the CDDL or both.

;

; Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa

; Clara, CA 95054 USA or visit http://www.sun.com if you need

; additional information or have any questions.

;

%include "iprt/asmdefs.mac"

BEGINCODE

%ifdef RT_ARCH_AMD64

%define _SP rsp

%define _BP rbp

%define _S 8

%else

%define _SP esp

%define _BP ebp

%define _S 4

%endif

;;

; Compute the absolute value of rf (|rf|).

; @returns 32-bit: st(0) 64-bit: xmm0

; @param rf 32-bit: [ebp + 8] 64-bit: xmm0

BEGINPROC RT_NOCRT(fabsf)

push _BP

mov _BP, _SP

%ifdef RT_ARCH_AMD64

sub _SP, 10h

movsd [_SP], xmm0

fld dword [_SP]

fabs

fstp dword [_SP]

movsd xmm0, [_SP]

%else

fld dword [_BP + _S*2]

fabs

%endif

leave

ret

ENDPROC RT_NOCRT(fabsf)