use nint with Unsafe.Add

src/ImageSharp/Formats/Jpeg/Components/Decoder/ColorConverters/JpegColorConverter.FromCmykAvx2.cs

@@ -37,8 +37,8 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder.ColorConverters
                 // Used for the color conversion
                 var scale = Vector256.Create(1 / this.MaximumValue);
 
-                int n = values.Component0.Length / 8;
-                for (int i = 0; i < n; i++)
+                nint n = values.Component0.Length / 8;
+                for (nint i = 0; i < n; i++)
                 {
                     ref Vector256<float> c = ref Unsafe.Add(ref c0Base, i);
                     ref Vector256<float> m = ref Unsafe.Add(ref c1Base, i);

src/ImageSharp/Formats/Jpeg/Components/Decoder/ColorConverters/JpegColorConverter.FromCmykVector8.cs

@@ -32,8 +32,8 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder.ColorConverters
                 var scale = new Vector<float>(1 / this.MaximumValue);
 
                 // Walking 8 elements at one step:
-                int n = values.Component0.Length / 8;
-                for (int i = 0; i < n; i++)
+                nint n = values.Component0.Length / 8;
+                for (nint i = 0; i < n; i++)
                 {
                     ref Vector<float> c = ref Unsafe.Add(ref cBase, i);
                     ref Vector<float> m = ref Unsafe.Add(ref mBase, i);

src/ImageSharp/Formats/Jpeg/Components/Decoder/ColorConverters/JpegColorConverter.FromGrayScaleAvx2.cs

@@ -31,8 +31,8 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder.ColorConverters
                 // Used for the color conversion
                 var scale = Vector256.Create(1 / this.MaximumValue);
 
-                int n = values.Component0.Length / 8;
-                for (int i = 0; i < n; i++)
+                nint n = values.Component0.Length / 8;
+                for (nint i = 0; i < n; i++)
                 {
                     ref Vector256<float> c0 = ref Unsafe.Add(ref c0Base, i);
                     c0 = Avx.Multiply(c0, scale);

src/ImageSharp/Formats/Jpeg/Components/Decoder/ColorConverters/JpegColorConverter.FromRgbAvx2.cs

@@ -34,8 +34,8 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder.ColorConverters
 
                 // Used for the color conversion
                 var scale = Vector256.Create(1 / this.MaximumValue);
-                int n = values.Component0.Length / 8;
-                for (int i = 0; i < n; i++)
+                nint n = values.Component0.Length / 8;
+                for (nint i = 0; i < n; i++)
                 {
                     ref Vector256<float> r = ref Unsafe.Add(ref rBase, i);
                     ref Vector256<float> g = ref Unsafe.Add(ref gBase, i);

src/ImageSharp/Formats/Jpeg/Components/Decoder/ColorConverters/JpegColorConverter.FromRgbVector8.cs

@@ -30,8 +30,8 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder.ColorConverters
                 var scale = new Vector<float>(1 / this.MaximumValue);
 
                 // Walking 8 elements at one step:
-                int n = values.Component0.Length / 8;
-                for (int i = 0; i < n; i++)
+                nint n = values.Component0.Length / 8;
+                for (nint i = 0; i < n; i++)
                 {
                     ref Vector<float> r = ref Unsafe.Add(ref rBase, i);
                     ref Vector<float> g = ref Unsafe.Add(ref gBase, i);

src/ImageSharp/Formats/Jpeg/Components/Decoder/ColorConverters/JpegColorConverter.FromYCbCrAvx2.cs

@@ -47,8 +47,8 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder.ColorConverters
                 Vector256<int> vcontrol = Unsafe.As<byte, Vector256<int>>(ref control);
 
                 // Walking 8 elements at one step:
-                int n = values.Component0.Length / 8;
-                for (int i = 0; i < n; i++)
+                nint n = values.Component0.Length / 8;
+                for (nint i = 0; i < n; i++)
                 {
                     // y = yVals[i];
                     // cb = cbVals[i] - 128F;

src/ImageSharp/Formats/Jpeg/Components/Decoder/ColorConverters/JpegColorConverter.FromYCbCrVector4.cs

@@ -35,9 +35,9 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder.ColorConverters
                 var maxValue = this.MaximumValue;
 
                 // Walking 8 elements at one step:
-                int n = values.Component0.Length / 8;
+                nint n = values.Component0.Length / 8;
 
-                for (int i = 0; i < n; i++)
+                for (nint i = 0; i < n; i++)
                 {
                     // y = yVals[i];
                     ref Vector4Pair c0 = ref Unsafe.Add(ref c0Base, i);

src/ImageSharp/Formats/Jpeg/Components/Decoder/ColorConverters/JpegColorConverter.FromYCbCrVector8.cs

@@ -31,10 +31,10 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder.ColorConverters
                 var chromaOffset = new Vector<float>(-this.HalfValue);
 
                 // Walking 8 elements at one step:
-                int n = values.Component0.Length / 8;
+                nint n = values.Component0.Length / 8;
                 var scale = new Vector<float>(1 / this.MaximumValue);
 
-                for (int i = 0; i < n; i++)
+                for (nint i = 0; i < n; i++)
                 {
                     // y = yVals[i];
                     // cb = cbVals[i] - 128F;

src/ImageSharp/Formats/Jpeg/Components/Decoder/ColorConverters/JpegColorConverter.FromYccKAvx2.cs

@@ -44,8 +44,8 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder.ColorConverters
                 var bCbMult = Vector256.Create(1.772F);
 
                 // Walking 8 elements at one step:
-                int n = values.Component0.Length / 8;
-                for (int i = 0; i < n; i++)
+                nint n = values.Component0.Length / 8;
+                for (nint i = 0; i < n; i++)
                 {
                     // y = yVals[i];
                     // cb = cbVals[i] - 128F;

src/ImageSharp/Formats/Jpeg/Components/Decoder/ColorConverters/JpegColorConverter.FromYccKVector8.cs

@@ -32,12 +32,12 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder.ColorConverters
                 var chromaOffset = new Vector<float>(-this.HalfValue);
 
                 // Walking 8 elements at one step:
-                int n = values.Component0.Length / 8;
+                nint n = values.Component0.Length / 8;
 
                 var scale = new Vector<float>(1 / (this.MaximumValue * this.MaximumValue));
                 var max = new Vector<float>(this.MaximumValue);
 
-                for (int i = 0; i < n; i++)
+                for (nint i = 0; i < n; i++)
                 {
                     // y = yVals[i];
                     // cb = cbVals[i] - 128F;