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OpCodeTable: Minor cleanup

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This commit is contained in:
merry 2022-02-10 16:40:47 +00:00
parent 5c2e780d40
commit 1379f41d5d
1 changed files with 9 additions and 20 deletions
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29
ARMeilleure/Decoders/OpCodeTable.cs
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@ -1,5 +1,4 @@
using ARMeilleure.Instructions; using ARMeilleure.Instructions;
using ARMeilleure.State;
using System; using System;
using System.Collections.Generic; using System.Collections.Generic;
@ -29,9 +28,9 @@ namespace ARMeilleure.Decoders
} }
} }
private static List<InstInfo> AllInstA32 = new List<InstInfo>(); private static List<InstInfo> AllInstA32 = new();
private static List<InstInfo> AllInstT32 = new List<InstInfo>(); private static List<InstInfo> AllInstT32 = new();
private static List<InstInfo> AllInstA64 = new List<InstInfo>(); private static List<InstInfo> AllInstA64 = new();
private static InstInfo[][] InstA32FastLookup = new InstInfo[FastLookupSize][]; private static InstInfo[][] InstA32FastLookup = new InstInfo[FastLookupSize][];
private static InstInfo[][] InstT32FastLookup = new InstInfo[FastLookupSize][]; private static InstInfo[][] InstT32FastLookup = new InstInfo[FastLookupSize][];
@ -1011,20 +1010,20 @@ namespace ARMeilleure.Decoders
private static void SetA32(string encoding, InstName name, InstEmitter emitter, MakeOp makeOp) private static void SetA32(string encoding, InstName name, InstEmitter emitter, MakeOp makeOp)
{ {
Set(encoding, ExecutionMode.Aarch32Arm, new InstDescriptor(name, emitter), makeOp); Set(encoding, AllInstA32, new InstDescriptor(name, emitter), makeOp);
} }
private static void SetT32(string encoding, InstName name, InstEmitter emitter, MakeOp makeOp) private static void SetT32(string encoding, InstName name, InstEmitter emitter, MakeOp makeOp)
{ {
Set(encoding, ExecutionMode.Aarch32Thumb, new InstDescriptor(name, emitter), makeOp); Set(encoding, AllInstT32, new InstDescriptor(name, emitter), makeOp);
} }
private static void SetA64(string encoding, InstName name, InstEmitter emitter, MakeOp makeOp) private static void SetA64(string encoding, InstName name, InstEmitter emitter, MakeOp makeOp)
{ {
Set(encoding, ExecutionMode.Aarch64, new InstDescriptor(name, emitter), makeOp); Set(encoding, AllInstA64, new InstDescriptor(name, emitter), makeOp);
} }
private static void Set(string encoding, ExecutionMode mode, InstDescriptor inst, MakeOp makeOp) private static void Set(string encoding, List<InstInfo> list, InstDescriptor inst, MakeOp makeOp)
{ {
int bit = encoding.Length - 1; int bit = encoding.Length - 1;
int value = 0; int value = 0;
@ -1073,7 +1072,7 @@ namespace ARMeilleure.Decoders
if (xBits == 0) if (xBits == 0)
{ {
InsertInst(new InstInfo(xMask, value, inst, makeOp), mode); list.Add(new InstInfo(xMask, value, inst, makeOp));
return; return;
} }
@ -1089,21 +1088,11 @@ namespace ARMeilleure.Decoders
if (mask != blacklisted) if (mask != blacklisted)
{ {
InsertInst(new InstInfo(xMask, value | mask, inst, makeOp), mode); list.Add(new InstInfo(xMask, value | mask, inst, makeOp));
} }
} }
} }
private static void InsertInst(InstInfo info, ExecutionMode mode)
{
switch (mode)
{
case ExecutionMode.Aarch32Arm: AllInstA32.Add(info); break;
case ExecutionMode.Aarch32Thumb: AllInstT32.Add(info); break;
case ExecutionMode.Aarch64: AllInstA64.Add(info); break;
}
}
public static (InstDescriptor inst, MakeOp makeOp) GetInstA32(int opCode) public static (InstDescriptor inst, MakeOp makeOp) GetInstA32(int opCode)
{ {
return GetInstFromList(InstA32FastLookup[ToFastLookupIndex(opCode)], opCode); return GetInstFromList(InstA32FastLookup[ToFastLookupIndex(opCode)], opCode);