tidying

Author: saucecontrol

azure-pipelines.yml

@@ -16,6 +16,7 @@ steps:
   displayName: Ensure 3.1 SDK
   inputs:
     version: 3.1.x
+    performMultiLevelLookup: true
 
 - script: |
     dotnet build src\MagicScaler -c Dist --version-suffix ci$(Build.BuildNumber)

src/MagicScaler/Magic/HybridScaleTransform.cs

@@ -143,9 +143,8 @@ unsafe private void process4A(byte* ipstart, byte* opstart, uint stride, bool ru
 					ipe -= Vector256<byte>.Count;
 					do
 					{
-						byte* ipn = ip + stride;
 						var vi0 = Avx.LoadVector256(ip);
-						var vi2 = Avx.LoadVector256(ipn);
+						var vi2 = Avx.LoadVector256(ip + stride);
 						ip += Vector256<byte>.Count;
 
 						var va0 = Avx2.MultiplyHigh(Avx2.Shuffle(vi0, vshufa).AsUInt16(), vscale);
@@ -204,9 +203,8 @@ unsafe private void process4A(byte* ipstart, byte* opstart, uint stride, bool ru
 					ipe -= Vector128<byte>.Count;
 					do
 					{
-						byte* ipn = ip + stride;
 						var vi0 = Sse2.LoadVector128(ip);
-						var vi2 = Sse2.LoadVector128(ipn);
+						var vi2 = Sse2.LoadVector128(ip + stride);
 						ip += Vector128<byte>.Count;
 
 						var va0 = Sse2.MultiplyHigh(Ssse3.Shuffle(vi0, vshufa).AsUInt16(), vscale);
@@ -386,7 +384,7 @@ unsafe private void process4(byte* ipstart, byte* opstart, uint stride, bool rup
 			else
 #endif
 
-			if (IntPtr.Size == sizeof(ulong) && stride > sizeof(ulong) * 2)
+			if (IntPtr.Size == sizeof(ulong) && stride >= sizeof(ulong) * 2)
 			{
 				const ulong mask0 = 0xfffffffful;
 				const ulong mask1 = 0xfffffffful << 32;
@@ -635,7 +633,7 @@ unsafe private void process(byte* ipstart, byte* opstart, uint stride, bool rup)
 			else
 #endif
 
-			if (IntPtr.Size == sizeof(ulong) && stride > sizeof(ulong))
+			if (IntPtr.Size == sizeof(ulong) && stride >= sizeof(ulong))
 			{
 				ulong m = maskb;
 

src/MagicScaler/Utilities/SimpleLruCache.cs

@@ -8,7 +8,7 @@ internal interface IMultiDisposable : IDisposable
 		bool TryAddRef();
 	}
 
-	internal sealed class SimpleLruCache<TKey, TValue> where TKey : IEquatable<TKey> where TValue : class, IMultiDisposable
+	internal sealed class SimpleLruCache<TKey, TValue> where TKey : IEquatable<TKey> where TValue : IMultiDisposable
 	{
 		private const int maxItems = 8;
 
@@ -33,7 +33,7 @@ public CacheNode(TKey key, TValue value)
 		private CacheNode? tail = null;
 		private volatile int count = 0;
 
-		private bool tryGetInternal(TKey key, [NotNullWhen(true)] out TValue? value)
+		private bool tryGetInternal(TKey key, [MaybeNullWhen(false)] out TValue value)
 		{
 			for (var curr = head; !(curr is null); curr = curr.Next)
 			{
@@ -85,7 +85,7 @@ private bool tryGetInternal(TKey key, [NotNullWhen(true)] out TValue? value)
 			return false;
 		}
 
-		public bool TryGet(TKey key, [NotNullWhen(true)] out TValue? value)
+		public bool TryGet(TKey key, [MaybeNullWhen(false)] out TValue value)
 		{
 			lock (sync)
 			{