Last change
on this file since 81106 was 76553, checked in by vboxsync, 6 years ago |
scm --update-copyright-year
|
-
Property svn:eol-style
set to
native
-
Property svn:keywords
set to
Author Date Id Revision
|
File size:
1.5 KB
|
Line | |
---|
1 | ; $Id: cosl.asm 76553 2019-01-01 01:45:53Z vboxsync $
|
---|
2 | ;; @file
|
---|
3 | ; IPRT - No-CRT cosl - AMD64 & X86.
|
---|
4 | ;
|
---|
5 |
|
---|
6 | ;
|
---|
7 | ; Copyright (C) 2006-2019 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 |
|
---|
29 | BEGINCODE
|
---|
30 |
|
---|
31 | ;;
|
---|
32 | ; compute the cosine of ldr, measured in radians.
|
---|
33 | ; @returns st(0)
|
---|
34 | ; @param lrd [rbp + xCB*2]
|
---|
35 | BEGINPROC RT_NOCRT(cosl)
|
---|
36 | push xBP
|
---|
37 | mov xBP, xSP
|
---|
38 | sub xSP, 10h
|
---|
39 |
|
---|
40 | fld tword [xBP + xCB*2]
|
---|
41 | fcos
|
---|
42 | fnstsw ax
|
---|
43 | test ah, 4
|
---|
44 | jz .done
|
---|
45 |
|
---|
46 | fldpi
|
---|
47 | fadd st0, st0
|
---|
48 | fxch st1
|
---|
49 | .again:
|
---|
50 | fprem1
|
---|
51 | fnstsw ax
|
---|
52 | test ah, 4
|
---|
53 | jnz .again
|
---|
54 |
|
---|
55 | fstp st0
|
---|
56 | fcos
|
---|
57 |
|
---|
58 | .done:
|
---|
59 | leave
|
---|
60 | ret
|
---|
61 | ENDPROC RT_NOCRT(cosl)
|
---|
62 |
|
---|
Note:
See
TracBrowser
for help on using the repository browser.