Worked on move hints

Source/Mosa.Compiler.Common/SimplePriorityQueue.cs

@@ -13,20 +13,20 @@ namespace Mosa.Compiler.Common
 {
 	public class SimpleKeyPriorityQueue<T>
 	{
-		private readonly LinkedList<KeyValuePair<int, T>> items;
+		private readonly LinkedList<Tuple<int, T>> items;
 
 		public int Count { get { return items.Count; } }
 
 		public bool IsEmpty { get { return items.Count == 0; } }
 
 		public SimpleKeyPriorityQueue()
 		{
-			items = new LinkedList<KeyValuePair<int, T>>();
+			items = new LinkedList<Tuple<int, T>>();
 		}
 
 		public void Enqueue(int priority, T item)
 		{
-			var keyitem = new KeyValuePair<int, T>(priority, item);
+			var keyitem = new Tuple<int, T>(priority, item);
 
 			if (IsEmpty)
 			{
@@ -36,7 +36,7 @@ public void Enqueue(int priority, T item)
 
 			var at = items.First;
 
-			while (at != null && priority < at.Value.Key)
+			while (at != null && priority < at.Value.Item1)
 			{
 				at = at.Next;
 			}
@@ -55,7 +55,7 @@ public T Dequeue()
 		{
 			var item = items.First.Value;
 			items.RemoveFirst();
-			return item.Value;
+			return item.Item2;
 		}
 	}
 }

Source/Mosa.Compiler.Framework/BaseArchitecture.cs

@@ -177,6 +177,13 @@ public abstract class BaseArchitecture
 		/// <param name="source2">The source2.</param>
 		public abstract void InsertSubInstruction(Context context, Operand destination, Operand source1, Operand source2);
 
+		/// <summary>
+		/// Determines whether [is instruction move] [the specified instruction].
+		/// </summary>
+		/// <param name="instruction">The instruction.</param>
+		/// <returns></returns>
+		public abstract bool IsInstructionMove(BaseInstruction instruction);
+
 		#endregion Methods
 	}
 }

Source/Mosa.Compiler.Framework/CIL/BinaryBranchInstruction.cs

@@ -14,7 +14,7 @@ namespace Mosa.Compiler.Framework.CIL
 	/// <summary>
 	///
 	/// </summary>
-	public sealed class BinaryBranchInstruction : BinaryInstruction, IBranchInstruction
+	public sealed class BinaryBranchInstruction : BinaryInstruction
 	{
 		#region Construction
 
@@ -106,11 +106,5 @@ protected override string GetModifier(Context context)
 		}
 
 		#endregion Methods
-
-		/// <summary>
-		/// Determines if the branch is conditional.
-		/// </summary>
-		/// <value></value>
-		public bool IsConditional { get { return true; } }
 	}
 }

Source/Mosa.Compiler.Framework/CIL/BranchInstruction.cs

@@ -12,7 +12,7 @@ namespace Mosa.Compiler.Framework.CIL
 	/// <summary>
 	///
 	/// </summary>
-	public class BranchInstruction : BaseCILInstruction, IBranchInstruction
+	public class BranchInstruction : BaseCILInstruction
 	{
 		#region Construction
 
@@ -68,11 +68,5 @@ public override void Visit(ICILVisitor visitor, Context context)
 		}
 
 		#endregion Methods
-
-		/// <summary>
-		/// Determines if the branch is conditional.
-		/// </summary>
-		/// <value></value>
-		public bool IsConditional { get { return false; } }
 	}
 }

Source/Mosa.Compiler.Framework/CIL/ReturnInstruction.cs

@@ -14,7 +14,7 @@ namespace Mosa.Compiler.Framework.CIL
 	/// <summary>
 	///
 	/// </summary>
-	public sealed class ReturnInstruction : UnaryInstruction, IBranchInstruction
+	public sealed class ReturnInstruction : UnaryInstruction
 	{
 		#region Construction
 
@@ -78,11 +78,5 @@ public override void Visit(ICILVisitor visitor, Context context)
 		}
 
 		#endregion Methods
-
-		/// <summary>
-		/// Determines if the branch is conditional.
-		/// </summary>
-		/// <value></value>
-		public bool IsConditional { get { return false; } }
 	}
 }

Source/Mosa.Compiler.Framework/CIL/UnaryBranchInstruction.cs

@@ -17,7 +17,7 @@ namespace Mosa.Compiler.Framework.CIL
 	/// <remarks>
 	/// This instruction is used to represent brfalse[.s] and brtrue[.s].
 	/// </remarks>
-	public class UnaryBranchInstruction : UnaryInstruction, IBranchInstruction
+	public class UnaryBranchInstruction : UnaryInstruction
 	{
 		#region Construction
 
@@ -106,11 +106,5 @@ protected override string GetModifier(Context context)
 		}
 
 		#endregion Methods
-
-		/// <summary>
-		/// Determines if the branch is conditional.
-		/// </summary>
-		/// <value></value>
-		public bool IsConditional { get { return true; } }
 	}
 }

Source/Mosa.Compiler.Framework/Mosa.Compiler.Framework.csproj

@@ -90,6 +90,7 @@
     <Compile Include="IR\CompoundMove.cs" />
     <Compile Include="IR\CompoundStore.cs" />
     <Compile Include="Analysis\IBlockOrderAnalysis.cs" />
+    <Compile Include="RegisterAllocator\MoveHint.cs" />
     <Compile Include="ShiftType.cs" />
     <Compile Include="ConditionCodeExtension.cs" />
     <Compile Include="BasicBlocks.cs" />
@@ -101,7 +102,7 @@
     <Compile Include="RegisterAllocator\MoveResolver.cs" />
     <Compile Include="RegisterAllocator\Interval.cs" />
     <Compile Include="RegisterAllocator\SlotIndex.cs" />
-    <Compile Include="RegisterAllocator\LiveIntervalUnion.cs" />
+    <Compile Include="RegisterAllocator\LiveIntervalTrack.cs" />
     <Compile Include="RegisterAllocator\ExtendedBlock.cs" />
     <Compile Include="RegisterAllocator\LiveInterval.cs" />
     <Compile Include="RegisterAllocator\VirtualRegister.cs" />
@@ -212,7 +213,6 @@
     <Compile Include="CIL\DupInstruction.cs" />
     <Compile Include="CIL\EndFilterInstruction.cs" />
     <Compile Include="CIL\EndFinallyInstruction.cs" />
-    <Compile Include="CIL\IBranchInstruction.cs" />
     <Compile Include="CIL\InitblkInstruction.cs" />
     <Compile Include="CIL\InitObjInstruction.cs" />
     <Compile Include="CIL\InvokeInstruction.cs" />