RoundUpToPowerOf2() [1/2]

static uint System.Numerics.BitOperations.RoundUpToPowerOf2 ( uint value )

inlinestatic

Definition at line 91 of file BitOperations.cs.

    {
        if (!Lzcnt.IsSupported)
        {
            _ = ArmBase.IsSupported;
            if (!X86Base.IsSupported)
            {
                value--;
                value |= value >> 1;
                value |= value >> 2;
                value |= value >> 4;
                value |= value >> 8;
                value |= value >> 16;
                return value + 1;
            }
        }
        return (uint)(4294967296uL >> LeadingZeroCount(value - 1));
    }

References System.Runtime.Intrinsics.Arm.ArmBase.IsSupported, System.Runtime.Intrinsics.X86.Lzcnt.IsSupported, System.Runtime.Intrinsics.X86.X86Base.IsSupported, System.Numerics.BitOperations.LeadingZeroCount(), and System.value.

Referenced by System.Collections.Concurrent.ConcurrentQueue< T >.ConcurrentQueue(), and System.Collections.Specialized.BitVector32.CreateSectionHelper().