VirtualBox

source: vbox/trunk/src/VBox/Runtime/common/math/remainderf.asm@ 16802

Last change on this file since 16802 was 16316, checked in by vboxsync, 16 years ago

IPRT/math: use xSP and friends from asmdefs.mac instead of cooking our own in each file.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 1.8 KB
Line 
1; $Id: remainderf.asm 16316 2009-01-28 14:26:48Z vboxsync $
2;; @file
3; IPRT - No-CRT remainderf - AMD64 & X86.
4;
5
6;
7; Copyright (C) 2006-2007 Sun Microsystems, Inc.
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 (GPL) as published by the Free Software
13; Foundation, in version 2 as it comes in the "COPYING" file of the
14; VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16;
17; The contents of this file may alternatively be used under the terms
18; of the Common Development and Distribution License Version 1.0
19; (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20; VirtualBox OSE distribution, in which case the provisions of the
21; CDDL are applicable instead of those of the GPL.
22;
23; You may elect to license modified versions of this file under the
24; terms and conditions of either the GPL or the CDDL or both.
25;
26; Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
27; Clara, CA 95054 USA or visit http://www.sun.com if you need
28; additional information or have any questions.
29;
30
31%include "iprt/asmdefs.mac"
32
33BEGINCODE
34
35;;
36; See SUS.
37; @returns st(0)
38; @param rf1 [ebp + 08h] xmm0
39; @param rf2 [ebp + 0ch] xmm1
40BEGINPROC RT_NOCRT(remainderf)
41 push xBP
42 mov xBP, xSP
43 sub xSP, 20h
44
45%ifdef RT_ARCH_AMD64
46 movss [rsp], xmm1
47 movss [rsp + 10h], xmm0
48 fld dword [rsp]
49 fld dword [rsp + 10h]
50%else
51 fld dword [ebp + 0ch]
52 fld dword [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 dword [rsp]
64 movss xmm0, [rsp]
65%endif
66
67 leave
68 ret
69ENDPROC RT_NOCRT(remainderf)
70
71
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