1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
using ChocolArm64.Decoder;
using ChocolArm64.Memory;
using ChocolArm64.Translation;
using System;
using System.Reflection.Emit;
namespace ChocolArm64.Instruction
{
static class AInstEmitMemoryHelper
{
private enum Extension
{
Zx,
Sx32,
Sx64
}
public static void EmitReadZxCall(AILEmitterCtx Context, int Size)
{
EmitReadCall(Context, Extension.Zx, Size);
}
public static void EmitReadSx32Call(AILEmitterCtx Context, int Size)
{
EmitReadCall(Context, Extension.Sx32, Size);
}
public static void EmitReadSx64Call(AILEmitterCtx Context, int Size)
{
EmitReadCall(Context, Extension.Sx64, Size);
}
private static void EmitReadCall(AILEmitterCtx Context, Extension Ext, int Size)
{
bool IsSimd = GetIsSimd(Context);
string Name = null;
if (Size < 0 || Size > (IsSimd ? 4 : 3))
{
throw new ArgumentOutOfRangeException(nameof(Size));
}
if (IsSimd)
{
switch (Size)
{
case 0: Name = nameof(AMemory.ReadVector8); break;
case 1: Name = nameof(AMemory.ReadVector16); break;
case 2: Name = nameof(AMemory.ReadVector32); break;
case 3: Name = nameof(AMemory.ReadVector64); break;
case 4: Name = nameof(AMemory.ReadVector128); break;
}
}
else
{
switch (Size)
{
case 0: Name = nameof(AMemory.ReadByte); break;
case 1: Name = nameof(AMemory.ReadUInt16); break;
case 2: Name = nameof(AMemory.ReadUInt32); break;
case 3: Name = nameof(AMemory.ReadUInt64); break;
}
}
Context.EmitCall(typeof(AMemory), Name);
if (!IsSimd)
{
if (Ext == Extension.Sx32 ||
Ext == Extension.Sx64)
{
switch (Size)
{
case 0: Context.Emit(OpCodes.Conv_I1); break;
case 1: Context.Emit(OpCodes.Conv_I2); break;
case 2: Context.Emit(OpCodes.Conv_I4); break;
}
}
if (Size < 3)
{
Context.Emit(Ext == Extension.Sx64
? OpCodes.Conv_I8
: OpCodes.Conv_U8);
}
}
}
public static void EmitWriteCall(AILEmitterCtx Context, int Size)
{
bool IsSimd = GetIsSimd(Context);
string Name = null;
if (Size < 0 || Size > (IsSimd ? 4 : 3))
{
throw new ArgumentOutOfRangeException(nameof(Size));
}
if (Size < 3 && !IsSimd)
{
Context.Emit(OpCodes.Conv_I4);
}
if (IsSimd)
{
switch (Size)
{
case 0: Name = nameof(AMemory.WriteVector8); break;
case 1: Name = nameof(AMemory.WriteVector16); break;
case 2: Name = nameof(AMemory.WriteVector32); break;
case 3: Name = nameof(AMemory.WriteVector64); break;
case 4: Name = nameof(AMemory.WriteVector128); break;
}
}
else
{
switch (Size)
{
case 0: Name = nameof(AMemory.WriteByte); break;
case 1: Name = nameof(AMemory.WriteUInt16); break;
case 2: Name = nameof(AMemory.WriteUInt32); break;
case 3: Name = nameof(AMemory.WriteUInt64); break;
}
}
Context.EmitCall(typeof(AMemory), Name);
}
private static bool GetIsSimd(AILEmitterCtx Context)
{
return Context.CurrOp is IAOpCodeSimd &&
!(Context.CurrOp is AOpCodeSimdMemMs ||
Context.CurrOp is AOpCodeSimdMemSs);
}
}
}
|
