- WIP

Source/Data/X86-Optimizations-Lea.json

@@ -37,6 +37,16 @@
 			"Result": "(X86.Mov32 a)",
 			"Variations": "No",
 			"Log": "Yes"
+		},
+		{
+			"Type": "Rewrite",
+			"Name": "Lea32",
+			"SubName": "RemoveScale",
+			"Expression": "X86.Lea32 a 0 c d",
+			"Filter": "!IsOne(c)",
+			"Result": "(X86.Lea32 a 0 1 d)",
+			"Variations": "No",
+			"Log": "Yes"
 		}
 	]
 }

Source/Mosa.Compiler.x86/Transforms/Optimizations/Auto/AutoTransforms.cs

@@ -58,5 +58,6 @@ public static class AutoTransforms
 		new Rewrite.Lea32Shift32(),
 		new Rewrite.Lea32ToMov32Constant1(),
 		new Rewrite.Lea32ToMov32Constant2(),
+		new Rewrite.Lea32RemoveScale(),
 	};
 }

Source/Mosa.Compiler.x86/Transforms/Optimizations/Auto/Rewrite/Lea32RemoveScale.cs

@@ -0,0 +1,39 @@
+// Copyright (c) MOSA Project. Licensed under the New BSD License.
+
+// This code was generated by an automated template.
+
+using Mosa.Compiler.Framework;
+
+namespace Mosa.Compiler.x86.Transforms.Optimizations.Auto.Rewrite;
+
+[Transform("x86.Optimizations.Auto.Rewrite")]
+public sealed class Lea32RemoveScale : BaseTransform
+{
+	public Lea32RemoveScale() : base(X86.Lea32, TransformType.Auto | TransformType.Optimization, true)
+	{
+	}
+
+	public override bool Match(Context context, Transform transform)
+	{
+		if (!context.Operand2.IsConstantZero)
+			return false;
+
+		if (IsOne(context.Operand3))
+			return false;
+
+		return true;
+	}
+
+	public override void Transform(Context context, Transform transform)
+	{
+		var result = context.Result;
+
+		var t1 = context.Operand1;
+		var t2 = context.GetOperand(3);
+
+		var c1 = Operand.CreateConstant(0);
+		var c2 = Operand.CreateConstant(1);
+
+		context.SetInstruction(X86.Lea32, result, t1, c1, c2, t2);
+	}
+}