VirtualBox

source: vbox/trunk/src/VBox/Runtime/math/remainder.asm@ 3672

Last change on this file since 3672 was 3672, checked in by vboxsync, 17 years ago

RT_OS_* and RT_ARCH_* for Runtime/ and Support/

  • Property svn:keywords set to Id
File size: 1.6 KB
Line 
1; $Id: remainder.asm 3672 2007-07-17 12:39:30Z vboxsync $
2;; @file
3; innotek Portable Runtime - No-CRT remainder - AMD64 & X86.
4;
5
6;
7; Copyright (C) 2006-2007 innotek GmbH
8;
9; This file is part of VirtualBox Open Source Edition (OSE), as
10; available from http://www.virtualbox.org. This file is free software;
11; you can redistribute it and/or modify it under the terms of the GNU
12; General Public License as published by the Free Software Foundation,
13; in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
14; distribution. VirtualBox OSE is distributed in the hope that it will
15; be useful, but WITHOUT ANY WARRANTY of any kind.
16;
17; If you received this file as part of a commercial VirtualBox
18; distribution, then only the terms of your commercial VirtualBox
19; license agreement apply instead of the previous paragraph.
20;
21
22%include "iprt/asmdefs.mac"
23
24BEGINCODE
25
26%ifdef RT_ARCH_AMD64
27 %define _SP rsp
28 %define _BP rbp
29%else
30 %define _SP esp
31 %define _BP ebp
32%endif
33
34;;
35; See SUS.
36; @returns st(0)
37; @param rd1 [ebp + 8h] xmm0
38; @param rd2 [ebp + 10h] xmm1
39BEGINPROC RT_NOCRT(remainder)
40 push _BP
41 mov _BP, _SP
42 sub _SP, 20h
43;int3
44
45%ifdef RT_ARCH_AMD64
46 movsd [rsp + 10h], xmm1
47 movsd [rsp], xmm0
48 fld qword [rsp + 10h]
49 fld qword [rsp]
50%else
51 fld qword [ebp + 10h]
52 fld qword [ebp + 8h]
53%endif
54
55 fprem1
56 fstsw ax
57 test ah, 04h
58 jnz .done
59 fstp st1
60
61.done:
62%ifdef RT_ARCH_AMD64
63 fstp qword [rsp]
64 movsd xmm0, [rsp]
65%endif
66
67 leave
68 ret
69ENDPROC RT_NOCRT(remainder)
70
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