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dotnet · Oct 19, 2019 · a16535d · a16535d
1 parent 6dfe18b
commit a16535d
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/src/System.Private.CoreLib/shared/System/Collections/HashHelpers.cs b/src/System.Private.CoreLib/shared/System/Collections/HashHelpers.cs
@@ -102,13 +102,12 @@ public static uint FastRange(uint index, uint range)
                 // Using fastrange from Daniel Lemire https://lemire.me/blog/2016/06/27/a-fast-alternative-to-the-modulo-reduction/
                 //
                 // While fastrange is "fair"; it expects an evenly distributed hashCode
-                // from [0,2^32) to produce a distibuted range. As many hashCodes in .NET
+                // from [0,2^32) to produce a distributed range. As many hashCodes in .NET
                 // are generated with the high entropy in the LSB we need to redistribute
                 // the hash; for this we use Crc32. These two together allow us to skip the
                 // more costly idiv instruction.
 
-                const uint CrcReflected = 0xEDB88320;
-                return (uint)((Sse42.Crc32(CrcReflected, index) * (ulong)range) >> 32);
+                return (uint)((Sse42.Crc32(0, index) * (ulong)range) >> 32);
             }
             else
             {