/[pcsx2_0.9.7]/trunk/common/include/x86emitter/implement/group3.h
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Contents of /trunk/common/include/x86emitter/implement/group3.h

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Revision 31 - (show annotations) (download)
Tue Sep 7 03:24:11 2010 UTC (9 years, 10 months ago) by william
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committing r3113 initial commit again...
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 namespace x86Emitter {
19
20 enum G3Type
21 {
22 G3Type_NOT = 2,
23 G3Type_NEG = 3,
24 G3Type_MUL = 4,
25 G3Type_iMUL = 5, // partial implementation, iMul has additional forms in ix86.cpp
26 G3Type_DIV = 6,
27 G3Type_iDIV = 7
28 };
29
30 // --------------------------------------------------------------------------------------
31 // xImpl_Group3
32 // --------------------------------------------------------------------------------------
33 struct xImpl_Group3
34 {
35 G3Type InstType;
36
37 void operator()( const xRegisterInt& from ) const;
38 void operator()( const ModSib32orLess& from ) const;
39
40 #if 0
41 template< typename T >
42 void operator()( const xDirectOrIndirect<T>& from ) const
43 {
44 _DoI_helpermess( *this, from );
45 }
46 #endif
47 };
48
49 // --------------------------------------------------------------------------------------
50 // xImpl_MulDivBase
51 // --------------------------------------------------------------------------------------
52 // This class combines x86 and SSE/SSE2 instructions for iMUL and iDIV.
53 //
54 struct xImpl_MulDivBase
55 {
56 G3Type InstType;
57 u16 OpcodeSSE;
58
59 void operator()( const xRegisterInt& from ) const;
60 void operator()( const ModSib32orLess& from ) const;
61
62 const xImplSimd_DestRegSSE PS;
63 const xImplSimd_DestRegSSE PD;
64 const xImplSimd_DestRegSSE SS;
65 const xImplSimd_DestRegSSE SD;
66 };
67
68 // --------------------------------------------------------------------------------------
69 // xImpl_iDiv
70 // --------------------------------------------------------------------------------------
71 struct xImpl_iDiv
72 {
73 void operator()( const xRegisterInt& from ) const;
74 void operator()( const ModSib32orLess& from ) const;
75
76 const xImplSimd_DestRegSSE PS;
77 const xImplSimd_DestRegSSE PD;
78 const xImplSimd_DestRegSSE SS;
79 const xImplSimd_DestRegSSE SD;
80 };
81
82 // --------------------------------------------------------------------------------------
83 // xImpl_iMul
84 // --------------------------------------------------------------------------------------
85 //
86 struct xImpl_iMul
87 {
88 void operator()( const xRegisterInt& from ) const;
89 void operator()( const ModSib32orLess& from ) const;
90
91 // The following iMul-specific forms are valid for 16 and 32 bit register operands only!
92
93 void operator()( const xRegister32& to, const xRegister32& from ) const;
94 void operator()( const xRegister32& to, const ModSibBase& src ) const;
95 void operator()( const xRegister16& to, const xRegister16& from ) const;
96 void operator()( const xRegister16& to, const ModSibBase& src ) const;
97
98 void operator()( const xRegister32& to, const xRegister32& from, s32 imm ) const;
99 void operator()( const xRegister32& to, const ModSibBase& from, s32 imm ) const;
100 void operator()( const xRegister16& to, const xRegister16& from, s16 imm ) const;
101 void operator()( const xRegister16& to, const ModSibBase& from, s16 imm ) const;
102
103 const xImplSimd_DestRegSSE PS;
104 const xImplSimd_DestRegSSE PD;
105 const xImplSimd_DestRegSSE SS;
106 const xImplSimd_DestRegSSE SD;
107 };
108
109 }

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