Fixed GetLastValuableElementIndex invalid indexing

5 years ago · 2aff023514
1 changed files with 1 additions and 1 deletions
--- a/src/ImageSharp/Formats/Jpeg/Components/Encoder/HuffmanScanEncoder.cs
+++ b/src/ImageSharp/Formats/Jpeg/Components/Encoder/HuffmanScanEncoder.cs
@ -478,7 +478,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components.Encoder

                ref Vector256<float> mcuStride = ref mcu.V0;

-                for (int i = 8; i >= 0; i--)
+                for (int i = 7; i >= 0; i--)
                {
                    int areEqual = Avx2.MoveMask(Avx2.CompareEqual(Avx.ConvertToVector256Int32(Unsafe.Add(ref mcuStride, i)), zero8).AsByte());