VirtualBox

source: vbox/trunk/src/VBox/Runtime/common/math/fabsl.asm@ 96240

Last change on this file since 96240 was 96216, checked in by vboxsync, 2 years ago

IPRT/nocrt: fabs[f] tests and 64-bit code improvements. bugref:10261

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 1.4 KB
Line 
1; $Id: fabsl.asm 96216 2022-08-15 11:12:09Z vboxsync $
2;; @file
3; IPRT - No-CRT fabsl - AMD64 & X86.
4;
5
6;
7; Copyright (C) 2006-2022 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
28%define RT_ASM_WITH_SEH64
29%include "iprt/asmdefs.mac"
30
31
32BEGINCODE
33
34;;
35; Compute the absolute value of lrd (|lrd|).
36; @returns st(0)
37; @param lrd [xSP + xCB*2]
38RT_NOCRT_BEGINPROC fabsl
39 push xBP
40 SEH64_PUSH_xBP
41 mov xBP, xSP
42 SEH64_SET_FRAME_xBP 0
43 SEH64_END_PROLOGUE
44
45 fld tword [xBP + xCB*2]
46 fabs
47
48 leave
49 ret
50ENDPROC RT_NOCRT(fabsl)
51
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