run tests

Author: bitfaster

BitFaster.Caching.UnitTests/Intrinsics.cs

@@ -1,6 +1,10 @@
 #if NETCOREAPP3_1_OR_GREATER
 using System.Runtime.Intrinsics.X86;
 #endif
+#if NET6_0_OR_GREATER
+using System.Runtime.Intrinsics.Arm;
+#endif
+
 using Xunit;
 
 namespace BitFaster.Caching.UnitTests
@@ -10,8 +14,15 @@ public static class Intrinsics
         public static void SkipAvxIfNotSupported<I>()
         {
 #if NETCOREAPP3_1_OR_GREATER
+#if NET6_0_OR_GREATER
             // when we are trying to test Avx2, skip the test if it's not supported
+            Skip.If(typeof(I) == typeof(DetectIsa) && !(Avx2.IsSupported || AdvSimd.Arm64.IsSupported));
+#else
+// when we are trying to test Avx2, skip the test if it's not supported
             Skip.If(typeof(I) == typeof(DetectIsa) && !Avx2.IsSupported);
+#endif
+
+
 #else
             Skip.If(true);
 #endif

BitFaster.Caching/Lfu/CmSketchCore.cs

@@ -409,7 +409,7 @@ private unsafe void IncrementArm(T value)
                 maskedB = AdvSimd.Not(maskedB);
 
                 incA = AdvSimd.And(maskedA, incA);
-                incB = AdvSimd.And(maskedA, incB);
+                incB = AdvSimd.And(maskedB, incB);
 
                 tablePtr[t0] += AdvSimd.Extract(incA, 0);
                 tablePtr[t1] += AdvSimd.Extract(incA, 1);