VirtualBox

source: vbox/trunk/src/VBox/Runtime/common/asm/ASMAtomicUoOrU32.asm@ 103795

Last change on this file since 103795 was 98103, checked in by vboxsync, 23 months ago

Copyright year updates by scm.

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1; $Id: ASMAtomicUoOrU32.asm 98103 2023-01-17 14:15:46Z vboxsync $
2;; @file
3; IPRT - ASMAtomicUoOrU32().
4;
5
6;
7; Copyright (C) 2013-2023 Oracle and/or its affiliates.
8;
9; This file is part of VirtualBox base platform packages, as
10; available from https://www.virtualbox.org.
11;
12; This program is free software; you can redistribute it and/or
13; modify it under the terms of the GNU General Public License
14; as published by the Free Software Foundation, in version 3 of the
15; License.
16;
17; This program is distributed in the hope that it will be useful, but
18; WITHOUT ANY WARRANTY; without even the implied warranty of
19; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20; General Public License for more details.
21;
22; You should have received a copy of the GNU General Public License
23; along with this program; if not, see <https://www.gnu.org/licenses>.
24;
25; The contents of this file may alternatively be used under the terms
26; of the Common Development and Distribution License Version 1.0
27; (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
28; in the VirtualBox distribution, in which case the provisions of the
29; CDDL are applicable instead of those of the GPL.
30;
31; You may elect to license modified versions of this file under the
32; terms and conditions of either the GPL or the CDDL or both.
33;
34; SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
35;
36
37;*******************************************************************************
38;* Header Files *
39;*******************************************************************************
40%include "iprt/asmdefs.mac"
41
42BEGINCODE
43
44;;
45; Atomically OR an unsigned 32-bit value, unordered.
46;
47; @param pu32 x86:esp+4 gcc:rdi msc:rcx
48; @param u32Or x86:esp+8 gcc:rsi msc:rdx
49;
50; @returns void
51;
52RT_BEGINPROC ASMAtomicUoOrU32
53%ifdef RT_ARCH_AMD64
54 %ifdef ASM_CALL64_MSC
55 or [rcx], edx
56 %else
57 or [rdi], esi
58 %endif
59%elifdef RT_ARCH_X86
60 mov ecx, [esp + 04h]
61 mov edx, [esp + 08h]
62 or [ecx], edx
63%endif
64 ret
65ENDPROC ASMAtomicUoOrU32
66
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