; $Id$

;; @file

; innotek Portable Runtime - No-CRT remainder - AMD64 & X86.

;

;

; Copyright (C) 2006-2007 innotek GmbH

;

; 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 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.

%include "iprt/asmdefs.mac"

BEGINCODE

%ifdef RT_ARCH_AMD64

%define _SP rsp

%define _BP rbp

%else

%define _SP esp

%define _BP ebp

%endif

;;

; See SUS.

; @returns st(0)

; @param rd1 [ebp + 8h] xmm0

; @param rd2 [ebp + 10h] xmm1

BEGINPROC RT_NOCRT(remainder)

push _BP

mov _BP, _SP

sub _SP, 20h

;int3

%ifdef RT_ARCH_AMD64

movsd [rsp + 10h], xmm1

movsd [rsp], xmm0

fld qword [rsp + 10h]

fld qword [rsp]

%else

fld qword [ebp + 10h]

fld qword [ebp + 8h]

%endif

fprem1

fstsw ax

test ah, 04h

jnz .done

fstp st1

.done:

%ifdef RT_ARCH_AMD64

fstp qword [rsp]

movsd xmm0, [rsp]

%endif

leave

ret

ENDPROC RT_NOCRT(remainder)