VirtualBox

source: vbox/trunk/src/VBox/Runtime/common/math/remainder.asm@ 87203

Last change on this file since 87203 was 82968, checked in by vboxsync, 5 years ago

Copyright year updates by scm.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 1.7 KB
Line 
1; $Id: remainder.asm 82968 2020-02-04 10:35:17Z vboxsync $
2;; @file
3; IPRT - No-CRT remainder - AMD64 & X86.
4;
5
6;
7; Copyright (C) 2006-2020 Oracle Corporation
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
27%include "iprt/asmdefs.mac"
28
29BEGINCODE
30
31;;
32; See SUS.
33; @returns st(0)
34; @param rd1 [ebp + 8h] xmm0
35; @param rd2 [ebp + 10h] xmm1
36BEGINPROC RT_NOCRT(remainder)
37 push xBP
38 mov xBP, xSP
39 sub xSP, 20h
40;int3
41
42%ifdef RT_ARCH_AMD64
43 movsd [rsp + 10h], xmm1
44 movsd [rsp], xmm0
45 fld qword [rsp + 10h]
46 fld qword [rsp]
47%else
48 fld qword [ebp + 10h]
49 fld qword [ebp + 8h]
50%endif
51
52 fprem1
53 fstsw ax
54 test ah, 04h
55 jnz .done
56 fstp st1
57
58.done:
59%ifdef RT_ARCH_AMD64
60 fstp qword [rsp]
61 movsd xmm0, [rsp]
62%endif
63
64 leave
65 ret
66ENDPROC RT_NOCRT(remainder)
67
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