/[pcsx2_0.9.7]/trunk/common/include/x86emitter/implement/test.h
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Contents of /trunk/common/include/x86emitter/implement/test.h

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Revision 62 - (show annotations) (download)
Tue Sep 7 11:08:22 2010 UTC (9 years, 4 months ago) by william
File MIME type: text/plain
File size: 2881 byte(s)
Auto Commited Import of: pcsx2-0.9.7-r3738-debug in ./trunk
1 /* PCSX2 - PS2 Emulator for PCs
2 * Copyright (C) 2002-2010 PCSX2 Dev Team
3 *
4 * PCSX2 is free software: you can redistribute it and/or modify it under the terms
5 * of the GNU Lesser General Public License as published by the Free Software Found-
6 * ation, either version 3 of the License, or (at your option) any later version.
7 *
8 * PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
9 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
10 * PURPOSE. See the GNU General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License along with PCSX2.
13 * If not, see <http://www.gnu.org/licenses/>.
14 */
15
16 #pragma once
17
18 // Implementations found here: TEST + BTS/BT/BTC/BTR + BSF/BSR! (for lack of better location)
19
20 namespace x86Emitter {
21
22 // --------------------------------------------------------------------------------------
23 // xImpl_Test
24 // --------------------------------------------------------------------------------------
25 //
26 struct xImpl_Test
27 {
28 void operator()( const xRegister8& to, const xRegister8& from ) const;
29 void operator()( const xRegister16& to, const xRegister16& from ) const;
30 void operator()( const xRegister32& to, const xRegister32& from ) const;
31 void operator()( const xIndirect32orLess& dest, int imm ) const;
32 void operator()( const xRegisterInt& to, int imm ) const;
33 };
34
35 enum G8Type
36 {
37 G8Type_BT = 4,
38 G8Type_BTS,
39 G8Type_BTR,
40 G8Type_BTC,
41 };
42
43 // --------------------------------------------------------------------------------------
44 // BSF / BSR
45 // --------------------------------------------------------------------------------------
46 // 16/32 operands are available. No 8 bit ones, not that any of you cared, I bet.
47 //
48 struct xImpl_BitScan
49 {
50 // 0xbc [fwd] / 0xbd [rev]
51 u16 Opcode;
52
53 void operator()( const xRegister32& to, const xRegister32& from ) const;
54 void operator()( const xRegister16& to, const xRegister16& from ) const;
55 void operator()( const xRegister16or32& to, const xIndirectVoid& sibsrc ) const;
56 };
57
58 // --------------------------------------------------------------------------------------
59 // xImpl_Group8
60 // --------------------------------------------------------------------------------------
61 // Bit Test Instructions - Valid on 16/32 bit instructions only.
62 //
63 struct xImpl_Group8
64 {
65 G8Type InstType;
66
67 void operator()( const xRegister32& bitbase, const xRegister32& bitoffset ) const;
68 void operator()( const xRegister16& bitbase, const xRegister16& bitoffset ) const;
69 void operator()( const xRegister16or32& bitbase, u8 bitoffset ) const;
70
71 void operator()( const xIndirectVoid& bitbase, const xRegister16or32& bitoffset ) const;
72 void operator()( const xIndirect32& bitbase, u8 bitoffset ) const;
73 void operator()( const xIndirect16& bitbase, u8 bitoffset ) const;
74 };
75
76 } // End namespace x86Emitter
77

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