misc: chore: Use explicit types in ARMeilleure project

src/ARMeilleure/CodeGen/Arm64/Arm64Optimizer.cs

@@ -13,13 +13,13 @@ namespace ARMeilleure.CodeGen.Arm64
 
         public static void RunPass(ControlFlowGraph cfg)
         {
-            var constants = new Dictionary<ulong, Operand>();
+            Dictionary<ulong, Operand> constants = new Dictionary<ulong, Operand>();
 
             Operand GetConstantCopy(BasicBlock block, Operation operation, Operand source)
             {
                 // If the constant has many uses, we also force a new constant mov to be added, in order
                 // to avoid overflow of the counts field (that is limited to 16 bits).
-                if (!constants.TryGetValue(source.Value, out var constant) || constant.UsesCount > MaxConstantUses)
+                if (!constants.TryGetValue(source.Value, out Operand constant) || constant.UsesCount > MaxConstantUses)
                 {
                     constant = Local(source.Type);
 

src/ARMeilleure/CodeGen/Arm64/Assembler.cs

@@ -123,7 +123,7 @@ namespace ARMeilleure.CodeGen.Arm64
 
         public void Cset(Operand rd, ArmCondition condition)
         {
-            var zr = Factory.Register(ZrRegister, RegisterType.Integer, rd.Type);
+            Operand zr = Factory.Register(ZrRegister, RegisterType.Integer, rd.Type);
             Csinc(rd, zr, zr, (ArmCondition)((int)condition ^ 1));
         }
 

src/ARMeilleure/CodeGen/Arm64/CodeGenContext.cs

@@ -91,7 +91,7 @@ namespace ARMeilleure.CodeGen.Arm64
 
             long target = _stream.Position;
 
-            if (_pendingBranches.TryGetValue(block, out var list))
+            if (_pendingBranches.TryGetValue(block, out List<(ArmCondition Condition, long BranchPos)> list))
             {
                 foreach ((ArmCondition condition, long branchPos) in list)
                 {
@@ -119,7 +119,7 @@ namespace ARMeilleure.CodeGen.Arm64
             }
             else
             {
-                if (!_pendingBranches.TryGetValue(target, out var list))
+                if (!_pendingBranches.TryGetValue(target, out List<(ArmCondition Condition, long BranchPos)> list))
                 {
                     list = new List<(ArmCondition, long)>();
                     _pendingBranches.Add(target, list);

src/ARMeilleure/CodeGen/Arm64/CodeGenerator.cs

@@ -322,7 +322,7 @@ namespace ARMeilleure.CodeGen.Arm64
 
             Debug.Assert(comp.Kind == OperandKind.Constant);
 
-            var cond = ((Comparison)comp.AsInt32()).ToArmCondition();
+            ArmCondition cond = ((Comparison)comp.AsInt32()).ToArmCondition();
 
             GenerateCompareCommon(context, operation);
 
@@ -354,7 +354,7 @@ namespace ARMeilleure.CodeGen.Arm64
             Debug.Assert(dest.Type == OperandType.I32);
             Debug.Assert(comp.Kind == OperandKind.Constant);
 
-            var cond = ((Comparison)comp.AsInt32()).ToArmCondition();
+            ArmCondition cond = ((Comparison)comp.AsInt32()).ToArmCondition();
 
             GenerateCompareCommon(context, operation);
 

src/ARMeilleure/CodeGen/Arm64/PreAllocator.cs

@@ -847,7 +847,7 @@ namespace ARMeilleure.CodeGen.Arm64
 
                         Debug.Assert(comp.Kind == OperandKind.Constant);
 
-                        var compType = (Comparison)comp.AsInt32();
+                        Comparison compType = (Comparison)comp.AsInt32();
 
                         return compType == Comparison.Equal || compType == Comparison.NotEqual;
                     }

src/ARMeilleure/CodeGen/RegisterAllocators/LinearScanAllocator.cs

@@ -115,7 +115,7 @@ namespace ARMeilleure.CodeGen.RegisterAllocators
         {
             NumberLocals(cfg, regMasks.RegistersCount);
 
-            var context = new AllocationContext(stackAlloc, regMasks, _intervals.Count);
+            AllocationContext context = new AllocationContext(stackAlloc, regMasks, _intervals.Count);
 
             BuildIntervals(cfg, context);
 

src/ARMeilleure/CodeGen/RegisterAllocators/LiveIntervalList.cs

@@ -15,12 +15,12 @@ namespace ARMeilleure.CodeGen.RegisterAllocators
         {
             if (_count + 1 > _capacity)
             {
-                var oldSpan = Span;
+                Span<LiveInterval> oldSpan = Span;
 
                 _capacity = Math.Max(4, _capacity * 2);
                 _items = Allocators.References.Allocate<LiveInterval>((uint)_capacity);
 
-                var newSpan = Span;
+                Span<LiveInterval> newSpan = Span;
 
                 oldSpan.CopyTo(newSpan);
             }

src/ARMeilleure/CodeGen/RegisterAllocators/UseList.cs

@@ -16,12 +16,12 @@ namespace ARMeilleure.CodeGen.RegisterAllocators
         {
             if (Count + 1 > _capacity)
             {
-                var oldSpan = Span;
+                Span<int> oldSpan = Span;
 
                 _capacity = Math.Max(4, _capacity * 2);
                 _items = Allocators.Default.Allocate<int>((uint)_capacity);
 
-                var newSpan = Span;
+                Span<int> newSpan = Span;
 
                 oldSpan.CopyTo(newSpan);
             }

src/ARMeilleure/CodeGen/X86/Assembler.cs

@@ -1,5 +1,6 @@
 using ARMeilleure.CodeGen.Linking;
 using ARMeilleure.IntermediateRepresentation;
+using Microsoft.IO;
 using Ryujinx.Common.Memory;
 using System;
 using System.Collections.Generic;
@@ -1324,8 +1325,8 @@ namespace ARMeilleure.CodeGen.X86
 
         public (byte[], RelocInfo) GetCode()
         {
-            var jumps = CollectionsMarshal.AsSpan(_jumps);
-            var relocs = CollectionsMarshal.AsSpan(_relocs);
+            Span<Jump> jumps = CollectionsMarshal.AsSpan(_jumps);
+            Span<Reloc> relocs = CollectionsMarshal.AsSpan(_relocs);
 
             // Write jump relative offsets.
             bool modified;
@@ -1410,13 +1411,13 @@ namespace ARMeilleure.CodeGen.X86
             // Write the code, ignoring the dummy bytes after jumps, into a new stream.
             _stream.Seek(0, SeekOrigin.Begin);
 
-            using var codeStream = MemoryStreamManager.Shared.GetStream();
-            var assembler = new Assembler(codeStream, HasRelocs);
+            using RecyclableMemoryStream codeStream = MemoryStreamManager.Shared.GetStream();
+            Assembler assembler = new Assembler(codeStream, HasRelocs);
 
             bool hasRelocs = HasRelocs;
             int relocIndex = 0;
             int relocOffset = 0;
-            var relocEntries = hasRelocs
+            RelocEntry[] relocEntries = hasRelocs
                 ? new RelocEntry[relocs.Length]
                 : Array.Empty<RelocEntry>();
 
@@ -1469,8 +1470,8 @@ namespace ARMeilleure.CodeGen.X86
 
             _stream.CopyTo(codeStream);
 
-            var code = codeStream.ToArray();
-            var relocInfo = new RelocInfo(relocEntries);
+            byte[] code = codeStream.ToArray();
+            RelocInfo relocInfo = new RelocInfo(relocEntries);
 
             return (code, relocInfo);
         }

src/ARMeilleure/CodeGen/X86/CodeGenerator.cs

@@ -623,7 +623,7 @@ namespace ARMeilleure.CodeGen.X86
 
             Debug.Assert(comp.Kind == OperandKind.Constant);
 
-            var cond = ((Comparison)comp.AsInt32()).ToX86Condition();
+            X86Condition cond = ((Comparison)comp.AsInt32()).ToX86Condition();
 
             GenerateCompareCommon(context, operation);
 
@@ -661,7 +661,7 @@ namespace ARMeilleure.CodeGen.X86
             Debug.Assert(dest.Type == OperandType.I32);
             Debug.Assert(comp.Kind == OperandKind.Constant);
 
-            var cond = ((Comparison)comp.AsInt32()).ToX86Condition();
+            X86Condition cond = ((Comparison)comp.AsInt32()).ToX86Condition();
 
             GenerateCompareCommon(context, operation);
 

src/ARMeilleure/CodeGen/X86/HardwareCapabilities.cs

@@ -53,7 +53,7 @@ namespace ARMeilleure.CodeGen.X86
 
             memGetXcr0.Reprotect(0, (ulong)asmGetXcr0.Length, MemoryPermission.ReadAndExecute);
 
-            var fGetXcr0 = Marshal.GetDelegateForFunctionPointer<GetXcr0>(memGetXcr0.Pointer);
+            GetXcr0 fGetXcr0 = Marshal.GetDelegateForFunctionPointer<GetXcr0>(memGetXcr0.Pointer);
 
             return fGetXcr0();
         }

src/ARMeilleure/CodeGen/X86/PreAllocator.cs

@@ -759,7 +759,7 @@ namespace ARMeilleure.CodeGen.X86
 
                         Debug.Assert(comp.Kind == OperandKind.Constant);
 
-                        var compType = (Comparison)comp.AsInt32();
+                        Comparison compType = (Comparison)comp.AsInt32();
 
                         return compType == Comparison.Equal || compType == Comparison.NotEqual;
                     }

src/ARMeilleure/CodeGen/X86/X86Optimizer.cs

@@ -13,13 +13,13 @@ namespace ARMeilleure.CodeGen.X86
 
         public static void RunPass(ControlFlowGraph cfg)
         {
-            var constants = new Dictionary<ulong, Operand>();
+            Dictionary<ulong, Operand> constants = new Dictionary<ulong, Operand>();
 
             Operand GetConstantCopy(BasicBlock block, Operation operation, Operand source)
             {
                 // If the constant has many uses, we also force a new constant mov to be added, in order
                 // to avoid overflow of the counts field (that is limited to 16 bits).
-                if (!constants.TryGetValue(source.Value, out var constant) || constant.UsesCount > MaxConstantUses)
+                if (!constants.TryGetValue(source.Value, out Operand constant) || constant.UsesCount > MaxConstantUses)
                 {
                     constant = Local(source.Type);
 

src/ARMeilleure/Common/BitMap.cs

@@ -129,13 +129,13 @@ namespace ARMeilleure.Common
 
             if (count > _count)
             {
-                var oldMask = _masks;
-                var oldSpan = new Span<long>(_masks, _count);
+                long* oldMask = _masks;
+                Span<long> oldSpan = new Span<long>(_masks, _count);
 
                 _masks = _allocator.Allocate<long>((uint)count);
                 _count = count;
 
-                var newSpan = new Span<long>(_masks, _count);
+                Span<long> newSpan = new Span<long>(_masks, _count);
 
                 oldSpan.CopyTo(newSpan);
                 newSpan[oldSpan.Length..].Clear();

src/ARMeilleure/Common/EntryTable.cs

@@ -63,7 +63,7 @@ namespace ARMeilleure.Common
                 }
 
                 int index = _freeHint++;
-                var page = GetPage(index);
+                Span<TEntry> page = GetPage(index);
 
                 _allocated.Set(index);
 
@@ -111,7 +111,7 @@ namespace ARMeilleure.Common
                     throw new ArgumentException("Entry at the specified index was not allocated", nameof(index));
                 }
 
-                var page = GetPage(index);
+                Span<TEntry> page = GetPage(index);
 
                 return ref GetValue(page, index);
             }
@@ -136,7 +136,7 @@ namespace ARMeilleure.Common
         /// <returns>Page for the specified <see cref="index"/></returns>
         private unsafe Span<TEntry> GetPage(int index)
         {
-            var pageIndex = (int)((uint)(index & ~(_pageCapacity - 1)) >> _pageLogCapacity);
+            int pageIndex = (int)((uint)(index & ~(_pageCapacity - 1)) >> _pageLogCapacity);
 
             if (!_pages.TryGetValue(pageIndex, out nint page))
             {
@@ -168,7 +168,7 @@ namespace ARMeilleure.Common
             {
                 _allocated.Dispose();
 
-                foreach (var page in _pages.Values)
+                foreach (IntPtr page in _pages.Values)
                 {
                     NativeAllocator.Instance.Free((void*)page);
                 }

src/ARMeilleure/Decoders/OpCode32SimdDupElem.cs

@@ -9,7 +9,7 @@ namespace ARMeilleure.Decoders
 
         public OpCode32SimdDupElem(InstDescriptor inst, ulong address, int opCode, bool isThumb) : base(inst, address, opCode, isThumb)
         {
-            var opc = (opCode >> 16) & 0xf;
+            int opc = (opCode >> 16) & 0xf;
 
             if ((opc & 0b1) == 1)
             {

src/ARMeilleure/Decoders/OpCode32SimdMovGpElem.cs

@@ -21,7 +21,7 @@ namespace ARMeilleure.Decoders
             Op = (opCode >> 20) & 0x1;
             U = ((opCode >> 23) & 1) != 0;
 
-            var opc = (((opCode >> 23) & 1) << 4) | (((opCode >> 21) & 0x3) << 2) | ((opCode >> 5) & 0x3);
+            int opc = (((opCode >> 23) & 1) << 4) | (((opCode >> 21) & 0x3) << 2) | ((opCode >> 5) & 0x3);
 
             if ((opc & 0b01000) == 0b01000)
             {

src/ARMeilleure/Decoders/OpCodeAluImm.cs

@@ -20,7 +20,7 @@ namespace ARMeilleure.Decoders
             }
             else if (DataOp == DataOp.Logical)
             {
-                var bm = DecoderHelper.DecodeBitMask(opCode, true);
+                DecoderHelper.BitMask bm = DecoderHelper.DecodeBitMask(opCode, true);
 
                 if (bm.IsUndefined)
                 {

src/ARMeilleure/Decoders/OpCodeBfm.cs

@@ -11,7 +11,7 @@ namespace ARMeilleure.Decoders
 
         public OpCodeBfm(InstDescriptor inst, ulong address, int opCode) : base(inst, address, opCode)
         {
-            var bm = DecoderHelper.DecodeBitMask(opCode, false);
+            DecoderHelper.BitMask bm = DecoderHelper.DecodeBitMask(opCode, false);
 
             if (bm.IsUndefined)
             {

src/ARMeilleure/Decoders/Optimizations/TailCallRemover.cs

@@ -69,7 +69,7 @@ namespace ARMeilleure.Decoders.Optimizations
                 }
             }
 
-            var newBlocks = new List<Block>(blocks.Count);
+            List<Block> newBlocks = new List<Block>(blocks.Count);
 
             // Finally, rebuild decoded block list, ignoring blocks outside the contiguous range.
             for (int i = 0; i < blocks.Count; i++)

src/ARMeilleure/Diagnostics/IRDumper.cs

@@ -141,7 +141,7 @@ namespace ARMeilleure.Diagnostics
                     break;
 
                 case OperandKind.Memory:
-                    var memOp = operand.GetMemory();
+                    MemoryOperand memOp = operand.GetMemory();
 
                     _builder.Append('[');
 
@@ -285,7 +285,7 @@ namespace ARMeilleure.Diagnostics
 
         public static string GetDump(ControlFlowGraph cfg)
         {
-            var dumper = new IRDumper(1);
+            IRDumper dumper = new IRDumper(1);
 
             for (BasicBlock block = cfg.Blocks.First; block != null; block = block.ListNext)
             {

src/ARMeilleure/Instructions/InstEmitAlu32.cs

@@ -415,7 +415,7 @@ namespace ARMeilleure.Instructions
         {
             IOpCode32AluBf op = (IOpCode32AluBf)context.CurrOp;
 
-            var msb = op.Lsb + op.Msb; // For this instruction, the msb is actually a width.
+            int msb = op.Lsb + op.Msb; // For this instruction, the msb is actually a width.
 
             Operand n = GetIntA32(context, op.Rn);
             Operand res = context.ShiftRightSI(context.ShiftLeft(n, Const(31 - msb)), Const(31 - op.Msb));
@@ -547,7 +547,7 @@ namespace ARMeilleure.Instructions
         {
             IOpCode32AluBf op = (IOpCode32AluBf)context.CurrOp;
 
-            var msb = op.Lsb + op.Msb; // For this instruction, the msb is actually a width.
+            int msb = op.Lsb + op.Msb; // For this instruction, the msb is actually a width.
 
             Operand n = GetIntA32(context, op.Rn);
             Operand res = context.ShiftRightUI(context.ShiftLeft(n, Const(31 - msb)), Const(31 - op.Msb));

src/ARMeilleure/Instructions/InstEmitFlowHelper.cs

@@ -1,4 +1,5 @@
 using ARMeilleure.CodeGen.Linking;
+using ARMeilleure.Common;
 using ARMeilleure.Decoders;
 using ARMeilleure.IntermediateRepresentation;
 using ARMeilleure.State;
@@ -193,7 +194,7 @@ namespace ARMeilleure.Instructions
 
             Operand hostAddress;
 
-            var table = context.FunctionTable;
+            IAddressTable<ulong> table = context.FunctionTable;
 
             // If address is mapped onto the function table, we can skip the table walk. Otherwise we fallback
             // onto the dispatch stub.
@@ -218,7 +219,7 @@ namespace ARMeilleure.Instructions
 
                 for (int i = 0; i < table.Levels.Length; i++)
                 {
-                    var level = table.Levels[i];
+                    AddressTableLevel level = table.Levels[i];
                     int clearBits = 64 - (level.Index + level.Length);
 
                     Operand index = context.ShiftLeft(

src/ARMeilleure/Instructions/InstEmitMemoryEx32.cs

@@ -143,8 +143,8 @@ namespace ARMeilleure.Instructions
 
             Operand address = context.Copy(GetIntA32(context, op.Rn));
 
-            var exclusive = (accType & AccessType.Exclusive) != 0;
-            var ordered = (accType & AccessType.Ordered) != 0;
+            bool exclusive = (accType & AccessType.Exclusive) != 0;
+            bool ordered = (accType & AccessType.Ordered) != 0;
 
             if ((accType & AccessType.Load) != 0)
             {

src/ARMeilleure/Instructions/InstEmitSimdCmp32.cs

@@ -229,7 +229,7 @@ namespace ARMeilleure.Instructions
 
         private static Operand ZerosOrOnes(ArmEmitterContext context, Operand fromBool, OperandType baseType)
         {
-            var ones = (baseType == OperandType.I64) ? Const(-1L) : Const(-1);
+            Operand ones = (baseType == OperandType.I64) ? Const(-1L) : Const(-1);
 
             return context.ConditionalSelect(fromBool, ones, Const(baseType, 0L));
         }

src/ARMeilleure/Instructions/InstEmitSimdCvt32.cs

@@ -118,15 +118,15 @@ namespace ARMeilleure.Instructions
         {
             OpCode32SimdCvtFFixed op = (OpCode32SimdCvtFFixed)context.CurrOp;
 
-            var toFixed = op.Opc == 1;
+            bool toFixed = op.Opc == 1;
             int fracBits = op.Fbits;
-            var unsigned = op.U;
+            bool unsigned = op.U;
 
             if (toFixed) // F32 to S32 or U32 (fixed)
             {
                 EmitVectorUnaryOpF32(context, (op1) =>
                 {
-                    var scaledValue = context.Multiply(op1, ConstF(MathF.Pow(2f, fracBits)));
+                    Operand scaledValue = context.Multiply(op1, ConstF(MathF.Pow(2f, fracBits)));
                     MethodInfo info = unsigned ? typeof(SoftFallback).GetMethod(nameof(SoftFallback.SatF32ToU32)) : typeof(SoftFallback).GetMethod(nameof(SoftFallback.SatF32ToS32));
 
                     return context.Call(info, scaledValue);
@@ -136,7 +136,7 @@ namespace ARMeilleure.Instructions
             {
                 EmitVectorUnaryOpI32(context, (op1) =>
                 {
-                    var floatValue = unsigned ? context.ConvertToFPUI(OperandType.FP32, op1) : context.ConvertToFP(OperandType.FP32, op1);
+                    Operand floatValue = unsigned ? context.ConvertToFPUI(OperandType.FP32, op1) : context.ConvertToFP(OperandType.FP32, op1);
 
                     return context.Multiply(floatValue, ConstF(1f / MathF.Pow(2f, fracBits)));
                 }, !unsigned);

src/ARMeilleure/Instructions/InstEmitSimdMemory32.cs

@@ -87,7 +87,7 @@ namespace ARMeilleure.Instructions
                         {
                             if (op.Replicate)
                             {
-                                var regs = (count > 1) ? 1 : op.Increment;
+                                int regs = (count > 1) ? 1 : op.Increment;
                                 for (int reg = 0; reg < regs; reg++)
                                 {
                                     int dreg = reg + d;

src/ARMeilleure/Instructions/SoftFloat.cs

@@ -1538,7 +1538,7 @@ namespace ARMeilleure.Instructions
             }
             else if (MathF.Abs(value) < MathF.Pow(2f, -128))
             {
-                var overflowToInf = fpcr.GetRoundingMode() switch
+                bool overflowToInf = fpcr.GetRoundingMode() switch
                 {
                     FPRoundingMode.ToNearest => true,
                     FPRoundingMode.TowardsPlusInfinity => !sign,
@@ -3073,7 +3073,7 @@ namespace ARMeilleure.Instructions
             }
             else if (Math.Abs(value) < Math.Pow(2d, -1024))
             {
-                var overflowToInf = fpcr.GetRoundingMode() switch
+                bool overflowToInf = fpcr.GetRoundingMode() switch
                 {
                     FPRoundingMode.ToNearest => true,
                     FPRoundingMode.TowardsPlusInfinity => !sign,

src/ARMeilleure/IntermediateRepresentation/Operand.cs

@@ -304,7 +304,7 @@ namespace ARMeilleure.IntermediateRepresentation
                 ushort newCount = checked((ushort)(count + 1));
                 ushort newCapacity = (ushort)Math.Min(capacity * 2, ushort.MaxValue);
 
-                var oldSpan = new Span<T>(data, count);
+                Span<T> oldSpan = new Span<T>(data, count);
 
                 capacity = newCapacity;
                 data = Allocators.References.Allocate<T>(capacity);
@@ -338,7 +338,7 @@ namespace ARMeilleure.IntermediateRepresentation
                     throw new OverflowException();
                 }
 
-                var oldSpan = new Span<T>(data, (int)count);
+                Span<T> oldSpan = new Span<T>(data, (int)count);
 
                 capacity = newCapacity;
                 data = Allocators.References.Allocate<T>(capacity);
@@ -352,7 +352,7 @@ namespace ARMeilleure.IntermediateRepresentation
 
         private static void Remove<T>(in T item, ref T* data, ref ushort count) where T : unmanaged
         {
-            var span = new Span<T>(data, count);
+            Span<T> span = new Span<T>(data, count);
 
             for (int i = 0; i < span.Length; i++)
             {
@@ -372,7 +372,7 @@ namespace ARMeilleure.IntermediateRepresentation
 
         private static void Remove<T>(in T item, ref T* data, ref uint count) where T : unmanaged
         {
-            var span = new Span<T>(data, (int)count);
+            Span<T> span = new Span<T>(data, (int)count);
 
             for (int i = 0; i < span.Length; i++)
             {

src/ARMeilleure/Signal/TestMethods.cs

@@ -22,7 +22,7 @@ namespace ARMeilleure.Signal
         {
             EmitterContext context = new();
 
-            var result = WindowsPartialUnmapHandler.EmitRetryFromAccessViolation(context);
+            Operand result = WindowsPartialUnmapHandler.EmitRetryFromAccessViolation(context);
 
             context.Return(result);
 
@@ -39,7 +39,7 @@ namespace ARMeilleure.Signal
         {
             EmitterContext context = new();
 
-            var result = WindowsPartialUnmapHandler.EmitThreadLocalMapIntGetOrReserve(context, structPtr, context.LoadArgument(OperandType.I32, 0), context.LoadArgument(OperandType.I32, 1));
+            Operand result = WindowsPartialUnmapHandler.EmitThreadLocalMapIntGetOrReserve(context, structPtr, context.LoadArgument(OperandType.I32, 0), context.LoadArgument(OperandType.I32, 1));
 
             context.Return(result);
 

src/ARMeilleure/Translation/Cache/JitUnwindWindows.cs

@@ -100,13 +100,13 @@ namespace ARMeilleure.Translation.Cache
                 return null; // Not found.
             }
 
-            var unwindInfo = funcEntry.UnwindInfo;
+            CodeGen.Unwinding.UnwindInfo unwindInfo = funcEntry.UnwindInfo;
 
             int codeIndex = 0;
 
             for (int index = unwindInfo.PushEntries.Length - 1; index >= 0; index--)
             {
-                var entry = unwindInfo.PushEntries[index];
+                UnwindPushEntry entry = unwindInfo.PushEntries[index];
 
                 switch (entry.PseudoOp)
                 {

src/ARMeilleure/Translation/ControlFlowGraph.cs

@@ -47,8 +47,8 @@ namespace ARMeilleure.Translation
         {
             RemoveUnreachableBlocks(Blocks);
 
-            var visited = new HashSet<BasicBlock>();
-            var blockStack = new Stack<BasicBlock>();
+            HashSet<BasicBlock> visited = new HashSet<BasicBlock>();
+            Stack<BasicBlock> blockStack = new Stack<BasicBlock>();
 
             Array.Resize(ref _postOrderBlocks, Blocks.Count);
             Array.Resize(ref _postOrderMap, Blocks.Count);
@@ -88,8 +88,8 @@ namespace ARMeilleure.Translation
 
         private void RemoveUnreachableBlocks(IntrusiveList<BasicBlock> blocks)
         {
-            var visited = new HashSet<BasicBlock>();
-            var workQueue = new Queue<BasicBlock>();
+            HashSet<BasicBlock> visited = new HashSet<BasicBlock>();
+            Queue<BasicBlock> workQueue = new Queue<BasicBlock>();
 
             visited.Add(Entry);
             workQueue.Enqueue(Entry);

src/ARMeilleure/Translation/PTC/Ptc.cs

@@ -9,6 +9,7 @@ using Ryujinx.Common.Logging;
 using Ryujinx.Common.Memory;
 using System;
 using System.Buffers.Binary;
+using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
@@ -562,7 +563,7 @@ namespace ARMeilleure.Translation.PTC
 
                     bool isEntryChanged = infoEntry.Hash != ComputeHash(translator.Memory, infoEntry.Address, infoEntry.GuestSize);
 
-                    if (isEntryChanged || (!infoEntry.HighCq && Profiler.ProfiledFuncs.TryGetValue(infoEntry.Address, out var value) && value.HighCq))
+                    if (isEntryChanged || (!infoEntry.HighCq && Profiler.ProfiledFuncs.TryGetValue(infoEntry.Address, out PtcProfiler.FuncProfile value) && value.HighCq))
                     {
                         infoEntry.Stubbed = true;
                         infoEntry.CodeLength = 0;
@@ -749,8 +750,8 @@ namespace ARMeilleure.Translation.PTC
             UnwindInfo unwindInfo,
             bool highCq)
         {
-            var cFunc = new CompiledFunction(code, unwindInfo, RelocInfo.Empty);
-            var gFunc = cFunc.MapWithPointer<GuestFunction>(out nint gFuncPointer);
+            CompiledFunction cFunc = new CompiledFunction(code, unwindInfo, RelocInfo.Empty);
+            GuestFunction gFunc = cFunc.MapWithPointer<GuestFunction>(out nint gFuncPointer);
 
             return new TranslatedFunction(gFunc, gFuncPointer, callCounter, guestSize, highCq);
         }
@@ -787,7 +788,7 @@ namespace ARMeilleure.Translation.PTC
 
         public void MakeAndSaveTranslations(Translator translator)
         {
-            var profiledFuncsToTranslate = Profiler.GetProfiledFuncsToTranslate(translator.Functions);
+            ConcurrentQueue<(ulong address, PtcProfiler.FuncProfile funcProfile)> profiledFuncsToTranslate = Profiler.GetProfiledFuncsToTranslate(translator.Functions);
 
             _translateCount = 0;
             _translateTotalCount = profiledFuncsToTranslate.Count;
@@ -831,7 +832,7 @@ namespace ARMeilleure.Translation.PTC
 
             void TranslateFuncs()
             {
-                while (profiledFuncsToTranslate.TryDequeue(out var item))
+                while (profiledFuncsToTranslate.TryDequeue(out (ulong address, PtcProfiler.FuncProfile funcProfile) item))
                 {
                     ulong address = item.address;
 
@@ -866,11 +867,11 @@ namespace ARMeilleure.Translation.PTC
 
             Stopwatch sw = Stopwatch.StartNew();
 
-            foreach (var thread in threads)
+            foreach (Thread thread in threads)
             {
                 thread.Start();
             }
-            foreach (var thread in threads)
+            foreach (Thread thread in threads)
             {
                 thread.Join();
             }
@@ -944,7 +945,7 @@ namespace ARMeilleure.Translation.PTC
                 WriteCode(code.AsSpan());
 
                 // WriteReloc.
-                using var relocInfoWriter = new BinaryWriter(_relocsStream, EncodingCache.UTF8NoBOM, true);
+                using BinaryWriter relocInfoWriter = new BinaryWriter(_relocsStream, EncodingCache.UTF8NoBOM, true);
 
                 foreach (RelocEntry entry in relocInfo.Entries)
                 {
@@ -954,7 +955,7 @@ namespace ARMeilleure.Translation.PTC
                 }
 
                 // WriteUnwindInfo.
-                using var unwindInfoWriter = new BinaryWriter(_unwindInfosStream, EncodingCache.UTF8NoBOM, true);
+                using BinaryWriter unwindInfoWriter = new BinaryWriter(_unwindInfosStream, EncodingCache.UTF8NoBOM, true);
 
                 unwindInfoWriter.Write(unwindInfo.PushEntries.Length);
 

src/ARMeilleure/Translation/PTC/PtcProfiler.cs

@@ -111,9 +111,9 @@ namespace ARMeilleure.Translation.PTC
 
         public ConcurrentQueue<(ulong address, FuncProfile funcProfile)> GetProfiledFuncsToTranslate(TranslatorCache<TranslatedFunction> funcs)
         {
-            var profiledFuncsToTranslate = new ConcurrentQueue<(ulong address, FuncProfile funcProfile)>();
+            ConcurrentQueue<(ulong address, FuncProfile funcProfile)> profiledFuncsToTranslate = new ConcurrentQueue<(ulong address, FuncProfile funcProfile)>();
 
-            foreach (var profiledFunc in ProfiledFuncs)
+            foreach (KeyValuePair<ulong, FuncProfile> profiledFunc in ProfiledFuncs)
             {
                 if (!funcs.ContainsKey(profiledFunc.Key))
                 {

src/ARMeilleure/Translation/SsaConstruction.cs

@@ -44,10 +44,10 @@ namespace ARMeilleure.Translation
 
         public static void Construct(ControlFlowGraph cfg)
         {
-            var globalDefs = new DefMap[cfg.Blocks.Count];
-            var localDefs = new Operand[cfg.LocalsCount + RegisterConsts.TotalCount];
+            DefMap[] globalDefs = new DefMap[cfg.Blocks.Count];
+            Operand[] localDefs = new Operand[cfg.LocalsCount + RegisterConsts.TotalCount];
 
-            var dfPhiBlocks = new Queue<BasicBlock>();
+            Queue<BasicBlock> dfPhiBlocks = new Queue<BasicBlock>();
 
             for (BasicBlock block = cfg.Blocks.First; block != null; block = block.ListNext)
             {

src/ARMeilleure/Translation/Translator.cs

@@ -222,7 +222,7 @@ namespace ARMeilleure.Translation
 
         internal TranslatedFunction Translate(ulong address, ExecutionMode mode, bool highCq, bool singleStep = false)
         {
-            var context = new ArmEmitterContext(
+            ArmEmitterContext context = new ArmEmitterContext(
                 Memory,
                 CountTable,
                 FunctionTable,
@@ -259,10 +259,10 @@ namespace ARMeilleure.Translation
 
             Logger.EndPass(PassName.RegisterUsage);
 
-            var retType = OperandType.I64;
-            var argTypes = new OperandType[] { OperandType.I64 };
+            OperandType retType = OperandType.I64;
+            OperandType[] argTypes = new OperandType[] { OperandType.I64 };
 
-            var options = highCq ? CompilerOptions.HighCq : CompilerOptions.None;
+            CompilerOptions options = highCq ? CompilerOptions.HighCq : CompilerOptions.None;
 
             if (context.HasPtc && !singleStep)
             {
@@ -521,7 +521,7 @@ namespace ARMeilleure.Translation
 
             List<TranslatedFunction> functions = Functions.AsList();
 
-            foreach (var func in functions)
+            foreach (TranslatedFunction func in functions)
             {
                 JitCache.Unmap(func.FuncPointer);
 
@@ -530,7 +530,7 @@ namespace ARMeilleure.Translation
 
             Functions.Clear();
 
-            while (_oldFuncs.TryDequeue(out var kv))
+            while (_oldFuncs.TryDequeue(out KeyValuePair<ulong, TranslatedFunction> kv))
             {
                 JitCache.Unmap(kv.Value.FuncPointer);
 
@@ -551,7 +551,7 @@ namespace ARMeilleure.Translation
             {
                 while (Queue.Count > 0 && Queue.TryDequeue(out RejitRequest request))
                 {
-                    if (Functions.TryGetValue(request.Address, out var func) && func.CallCounter != null)
+                    if (Functions.TryGetValue(request.Address, out TranslatedFunction func) && func.CallCounter != null)
                     {
                         Volatile.Write(ref func.CallCounter.Value, 0);
                     }

src/ARMeilleure/Translation/TranslatorStubs.cs

@@ -142,7 +142,7 @@ namespace ARMeilleure.Translation
         /// <returns>Generated <see cref="DispatchStub"/></returns>
         private nint GenerateDispatchStub()
         {
-            var context = new EmitterContext();
+            EmitterContext context = new EmitterContext();
 
             Operand lblFallback = Label();
             Operand lblEnd = Label();
@@ -161,7 +161,7 @@ namespace ARMeilleure.Translation
 
             for (int i = 0; i < _functionTable.Levels.Length; i++)
             {
-                ref var level = ref _functionTable.Levels[i];
+                ref AddressTableLevel level = ref _functionTable.Levels[i];
 
                 // level.Mask is not used directly because it is more often bigger than 32-bits, so it will not
                 // be encoded as an immediate on x86's bitwise and operation.
@@ -185,11 +185,11 @@ namespace ARMeilleure.Translation
             hostAddress = context.Call(typeof(NativeInterface).GetMethod(nameof(NativeInterface.GetFunctionAddress)), guestAddress);
             context.Tailcall(hostAddress, nativeContext);
 
-            var cfg = context.GetControlFlowGraph();
-            var retType = OperandType.I64;
-            var argTypes = new[] { OperandType.I64 };
+            ControlFlowGraph cfg = context.GetControlFlowGraph();
+            OperandType retType = OperandType.I64;
+            OperandType[] argTypes = new[] { OperandType.I64 };
 
-            var func = Compiler.Compile(cfg, argTypes, retType, CompilerOptions.HighCq, RuntimeInformation.ProcessArchitecture).Map<GuestFunction>();
+            GuestFunction func = Compiler.Compile(cfg, argTypes, retType, CompilerOptions.HighCq, RuntimeInformation.ProcessArchitecture).Map<GuestFunction>();
 
             return Marshal.GetFunctionPointerForDelegate(func);
         }
@@ -200,7 +200,7 @@ namespace ARMeilleure.Translation
         /// <returns>Generated <see cref="SlowDispatchStub"/></returns>
         private nint GenerateSlowDispatchStub()
         {
-            var context = new EmitterContext();
+            EmitterContext context = new EmitterContext();
 
             // Load the target guest address from the native context.
             Operand nativeContext = context.LoadArgument(OperandType.I64, 0);
@@ -210,11 +210,11 @@ namespace ARMeilleure.Translation
             Operand hostAddress = context.Call(typeof(NativeInterface).GetMethod(nameof(NativeInterface.GetFunctionAddress)), guestAddress);
             context.Tailcall(hostAddress, nativeContext);
 
-            var cfg = context.GetControlFlowGraph();
-            var retType = OperandType.I64;
-            var argTypes = new[] { OperandType.I64 };
+            ControlFlowGraph cfg = context.GetControlFlowGraph();
+            OperandType retType = OperandType.I64;
+            OperandType[] argTypes = new[] { OperandType.I64 };
 
-            var func = Compiler.Compile(cfg, argTypes, retType, CompilerOptions.HighCq, RuntimeInformation.ProcessArchitecture).Map<GuestFunction>();
+            GuestFunction func = Compiler.Compile(cfg, argTypes, retType, CompilerOptions.HighCq, RuntimeInformation.ProcessArchitecture).Map<GuestFunction>();
 
             return Marshal.GetFunctionPointerForDelegate(func);
         }
@@ -251,7 +251,7 @@ namespace ARMeilleure.Translation
         /// <returns><see cref="DispatchLoop"/> function</returns>
         private DispatcherFunction GenerateDispatchLoop()
         {
-            var context = new EmitterContext();
+            EmitterContext context = new EmitterContext();
 
             Operand beginLbl = Label();
             Operand endLbl = Label();
@@ -279,9 +279,9 @@ namespace ARMeilleure.Translation
 
             context.Return();
 
-            var cfg = context.GetControlFlowGraph();
-            var retType = OperandType.None;
-            var argTypes = new[] { OperandType.I64, OperandType.I64 };
+            ControlFlowGraph cfg = context.GetControlFlowGraph();
+            OperandType retType = OperandType.None;
+            OperandType[] argTypes = new[] { OperandType.I64, OperandType.I64 };
 
             return Compiler.Compile(cfg, argTypes, retType, CompilerOptions.HighCq, RuntimeInformation.ProcessArchitecture).Map<DispatcherFunction>();
         }
@@ -292,7 +292,7 @@ namespace ARMeilleure.Translation
         /// <returns><see cref="ContextWrapper"/> function</returns>
         private WrapperFunction GenerateContextWrapper()
         {
-            var context = new EmitterContext();
+            EmitterContext context = new EmitterContext();
 
             Operand nativeContext = context.LoadArgument(OperandType.I64, 0);
             Operand guestMethod = context.LoadArgument(OperandType.I64, 1);
@@ -303,9 +303,9 @@ namespace ARMeilleure.Translation
 
             context.Return(returnValue);
 
-            var cfg = context.GetControlFlowGraph();
-            var retType = OperandType.I64;
-            var argTypes = new[] { OperandType.I64, OperandType.I64 };
+            ControlFlowGraph cfg = context.GetControlFlowGraph();
+            OperandType retType = OperandType.I64;
+            OperandType[] argTypes = new[] { OperandType.I64, OperandType.I64 };
 
             return Compiler.Compile(cfg, argTypes, retType, CompilerOptions.HighCq, RuntimeInformation.ProcessArchitecture).Map<WrapperFunction>();
         }