| | | 1 | | // Licensed to the .NET Foundation under one or more agreements. |
| | | 2 | | // The .NET Foundation licenses this file to you under the MIT license. |
| | | 3 | | |
| | | 4 | | using System.Diagnostics; |
| | | 5 | | using System.Numerics; |
| | | 6 | | using System.Runtime.CompilerServices; |
| | | 7 | | using System.Runtime.InteropServices; |
| | | 8 | | |
| | | 9 | | namespace System.Buffers |
| | | 10 | | { |
| | | 11 | | internal sealed class Any4SearchValues<T, TImpl> : SearchValues<T> |
| | | 12 | | where T : struct, IEquatable<T> |
| | | 13 | | where TImpl : struct, INumber<TImpl> |
| | | 14 | | { |
| | | 15 | | private readonly TImpl _e0, _e1, _e2, _e3; |
| | | 16 | | |
| | 0 | 17 | | public unsafe Any4SearchValues(ReadOnlySpan<TImpl> values) |
| | | 18 | | { |
| | 0 | 19 | | Debug.Assert(sizeof(T) == sizeof(TImpl)); |
| | 0 | 20 | | Debug.Assert(values.Length == 4); |
| | 0 | 21 | | (_e0, _e1, _e2, _e3) = (values[0], values[1], values[2], values[3]); |
| | 0 | 22 | | } |
| | | 23 | | |
| | | 24 | | internal override unsafe T[] GetValues() |
| | | 25 | | { |
| | 0 | 26 | | TImpl e0 = _e0, e1 = _e1, e2 = _e2, e3 = _e3; |
| | 0 | 27 | | return [*(T*)&e0, *(T*)&e1, *(T*)&e2, *(T*)&e3]; |
| | | 28 | | } |
| | | 29 | | |
| | | 30 | | [MethodImpl(MethodImplOptions.AggressiveInlining)] |
| | | 31 | | internal override unsafe bool ContainsCore(T value) => |
| | 0 | 32 | | *(TImpl*)&value == _e0 || |
| | 0 | 33 | | *(TImpl*)&value == _e1 || |
| | 0 | 34 | | *(TImpl*)&value == _e2 || |
| | 0 | 35 | | *(TImpl*)&value == _e3; |
| | | 36 | | |
| | | 37 | | [MethodImpl(MethodImplOptions.AggressiveInlining)] |
| | | 38 | | internal override int IndexOfAny(ReadOnlySpan<T> span) => |
| | 0 | 39 | | SpanHelpers.IndexOfAnyValueType(ref Unsafe.As<T, TImpl>(ref MemoryMarshal.GetReference(span)), _e0, _e1, _e2 |
| | | 40 | | |
| | | 41 | | [MethodImpl(MethodImplOptions.AggressiveInlining)] |
| | | 42 | | internal override int IndexOfAnyExcept(ReadOnlySpan<T> span) => |
| | 0 | 43 | | SpanHelpers.IndexOfAnyExceptValueType(ref Unsafe.As<T, TImpl>(ref MemoryMarshal.GetReference(span)), _e0, _e |
| | | 44 | | |
| | | 45 | | [MethodImpl(MethodImplOptions.AggressiveInlining)] |
| | | 46 | | internal override int LastIndexOfAny(ReadOnlySpan<T> span) => |
| | 0 | 47 | | SpanHelpers.LastIndexOfAnyValueType(ref Unsafe.As<T, TImpl>(ref MemoryMarshal.GetReference(span)), _e0, _e1, |
| | | 48 | | |
| | | 49 | | [MethodImpl(MethodImplOptions.AggressiveInlining)] |
| | | 50 | | internal override int LastIndexOfAnyExcept(ReadOnlySpan<T> span) => |
| | 0 | 51 | | SpanHelpers.LastIndexOfAnyExceptValueType(ref Unsafe.As<T, TImpl>(ref MemoryMarshal.GetReference(span)), _e0 |
| | | 52 | | } |
| | | 53 | | } |
| | | 54 | | |