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[wasm] Try out a PackedSimd WideningLoader #114811

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Merged
merged 4 commits into from
Apr 24, 2025
Merged

[wasm] Try out a PackedSimd WideningLoader #114811

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ca77dff
Try out a PackedSimd WideningLoader
lewing Apr 17, 2025
9a098ec
Add missing using
lewing Apr 18, 2025
99fc388
Merge branch 'main' into widen-packedsimd
lewing Apr 18, 2025
929623d
Merge branch 'main' into widen-packedsimd
lewing Apr 21, 2025
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6 changes: 6 additions & 0 deletions src/libraries/System.Private.CoreLib/src/System/Text/Ascii.Equality.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@
using System.Runtime.InteropServices;
using System.Runtime.Intrinsics;
using System.Runtime.Intrinsics.Arm;
using System.Runtime.Intrinsics.Wasm;
using System.Runtime.Intrinsics.X86;

namespace System.Text
Expand Down Expand Up @@ -522,6 +523,11 @@ public static Vector128<ushort> Load128(ref byte ptr)
Vector128<byte> vec = Vector128.CreateScalarUnsafe(Unsafe.ReadUnaligned<long>(ref ptr)).AsByte();
return Sse2.UnpackLow(vec, Vector128<byte>.Zero).AsUInt16();
}
else if (PackedSimd.IsSupported)
{
Vector128<byte> vec = Vector128.CreateScalarUnsafe(Unsafe.ReadUnaligned<long>(ref ptr)).AsByte();
return PackedSimd.ZeroExtendWideningLower(vec);
}
else
{
(Vector64<ushort> lower, Vector64<ushort> upper) = Vector64.Widen(Vector64.LoadUnsafe(ref ptr));
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