VirtualBox

source: vbox/trunk/src/VBox/Runtime/math/remainderf.asm@ 4642

Last change on this file since 4642 was 4071, checked in by vboxsync, 17 years ago

Biggest check-in ever. New source code headers for all (C) innotek files.

  • Property svn:keywords set to Id
File size: 1.4 KB
Line 
1; $Id: remainderf.asm 4071 2007-08-07 17:07:59Z vboxsync $
2;; @file
3; innotek Portable Runtime - No-CRT remainderf - 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%include "iprt/asmdefs.mac"
18
19BEGINCODE
20
21%ifdef RT_ARCH_AMD64
22 %define _SP rsp
23 %define _BP rbp
24%else
25 %define _SP esp
26 %define _BP ebp
27%endif
28
29;;
30; See SUS.
31; @returns st(0)
32; @param rf1 [ebp + 08h] xmm0
33; @param rf2 [ebp + 0ch] xmm1
34BEGINPROC RT_NOCRT(remainderf)
35 push _BP
36 mov _BP, _SP
37 sub _SP, 20h
38
39%ifdef RT_ARCH_AMD64
40 movss [rsp], xmm1
41 movss [rsp + 10h], xmm0
42 fld dword [rsp]
43 fld dword [rsp + 10h]
44%else
45 fld dword [ebp + 0ch]
46 fld dword [ebp + 8h]
47%endif
48
49 fprem1
50 fstsw ax
51 test ah, 04h
52 jnz .done
53 fstp st1
54
55.done:
56%ifdef RT_ARCH_AMD64
57 fstp dword [rsp]
58 movss xmm0, [rsp]
59%endif
60
61 leave
62 ret
63ENDPROC RT_NOCRT(remainderf)
64
65
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