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Update ASoftFallback.cs

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LDj3SNuD 2018-03-23 17:32:37 +01:00 • committed by GitHub
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1 changed files with 9 additions and 1 deletions
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10
ChocolArm64/Instruction/ASoftFallback.cs
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@ -20,6 +20,14 @@ namespace ChocolArm64.Instruction
Context.EmitCall(typeof(ASoftFallback), MthdName); Context.EmitCall(typeof(ASoftFallback), MthdName);
} }
public static uint CountLeadingSigns32(uint Value) => (uint)CountLeadingSigns(Value, 32);
public static ulong CountLeadingSigns64(ulong Value) => (ulong)CountLeadingSigns(Value, 64);
private static ulong CountLeadingSigns(ulong Value, int Size)
{
return CountLeadingZeros((Value >> 1) ^ Value, Size - 1);
}
public static uint CountLeadingZeros32(uint Value) => (uint)CountLeadingZeros(Value, 32); public static uint CountLeadingZeros32(uint Value) => (uint)CountLeadingZeros(Value, 32);
public static ulong CountLeadingZeros64(ulong Value) => (ulong)CountLeadingZeros(Value, 64); public static ulong CountLeadingZeros64(ulong Value) => (ulong)CountLeadingZeros(Value, 64);
@ -398,4 +406,4 @@ namespace ChocolArm64.Instruction
throw new ArgumentOutOfRangeException(nameof(Size)); throw new ArgumentOutOfRangeException(nameof(Size));
} }
} }
} }