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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Runtime.Intrinsics;
namespace System.Runtime.Intrinsics.X86
{
/// <summary>
/// This class provides access to Intel BMI1 hardware instructions via intrinsics
/// </summary>
[CLSCompliant(false)]
public abstract class Bmi1
{
internal Bmi1() { }
public static bool IsSupported { get => IsSupported; }
public abstract class X64
{
internal X64() { }
public static bool IsSupported { get => IsSupported; }
/// <summary>
/// unsigned __int64 _andn_u64 (unsigned __int64 a, unsigned __int64 b)
/// ANDN r64a, r64b, reg/m64
/// This intrinisc is only available on 64-bit processes
/// </summary>
public static ulong AndNot(ulong left, ulong right) => AndNot(left, right);
/// <summary>
/// unsigned __int64 _bextr_u64 (unsigned __int64 a, unsigned int start, unsigned int len)
/// BEXTR r64a, reg/m64, r64b
/// This intrinisc is only available on 64-bit processes
/// </summary>
public static ulong BitFieldExtract(ulong value, byte start, byte length) => BitFieldExtract(value, (ushort)(start | (length << 8)));
/// <summary>
/// unsigned __int64 _bextr2_u64 (unsigned __int64 a, unsigned __int64 control)
/// BEXTR r64a, reg/m64, r64b
/// This intrinisc is only available on 64-bit processes
/// </summary>
public static ulong BitFieldExtract(ulong value, ushort control) => BitFieldExtract(value, control);
/// <summary>
/// unsigned __int64 _blsi_u64 (unsigned __int64 a)
/// BLSI reg, reg/m64
/// This intrinisc is only available on 64-bit processes
/// </summary>
public static ulong ExtractLowestSetBit(ulong value) => ExtractLowestSetBit(value);
/// <summary>
/// unsigned __int64 _blsmsk_u64 (unsigned __int64 a)
/// BLSMSK reg, reg/m64
/// This intrinisc is only available on 64-bit processes
/// </summary>
public static ulong GetMaskUpToLowestSetBit(ulong value) => GetMaskUpToLowestSetBit(value);
/// <summary>
/// unsigned __int64 _blsr_u64 (unsigned __int64 a)
/// BLSR reg, reg/m64
/// This intrinisc is only available on 64-bit processes
/// </summary>
public static ulong ResetLowestSetBit(ulong value) => ResetLowestSetBit(value);
/// <summary>
/// __int64 _mm_tzcnt_64 (unsigned __int64 a)
/// TZCNT reg, reg/m64
/// This intrinisc is only available on 64-bit processes
/// </summary>
public static ulong TrailingZeroCount(ulong value) => TrailingZeroCount(value);
}
/// <summary>
/// unsigned int _andn_u32 (unsigned int a, unsigned int b)
/// ANDN r32a, r32b, reg/m32
/// </summary>
public static uint AndNot(uint left, uint right) => AndNot(left, right);
/// <summary>
/// unsigned int _bextr_u32 (unsigned int a, unsigned int start, unsigned int len)
/// BEXTR r32a, reg/m32, r32b
/// </summary>
public static uint BitFieldExtract(uint value, byte start, byte length) => BitFieldExtract(value, (ushort)(start | (length << 8)));
/// <summary>
/// unsigned int _bextr2_u32 (unsigned int a, unsigned int control)
/// BEXTR r32a, reg/m32, r32b
/// </summary>
public static uint BitFieldExtract(uint value, ushort control) => BitFieldExtract(value, control);
/// <summary>
/// unsigned int _blsi_u32 (unsigned int a)
/// BLSI reg, reg/m32
/// </summary>
public static uint ExtractLowestSetBit(uint value) => ExtractLowestSetBit(value);
/// <summary>
/// unsigned int _blsmsk_u32 (unsigned int a)
/// BLSMSK reg, reg/m32
/// </summary>
public static uint GetMaskUpToLowestSetBit(uint value) => GetMaskUpToLowestSetBit(value);
/// <summary>
/// unsigned int _blsr_u32 (unsigned int a)
/// BLSR reg, reg/m32
/// </summary>
public static uint ResetLowestSetBit(uint value) => ResetLowestSetBit(value);
/// <summary>
/// int _mm_tzcnt_32 (unsigned int a)
/// TZCNT reg, reg/m32
/// </summary>
public static uint TrailingZeroCount(uint value) => TrailingZeroCount(value);
}
}
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