[JitDiff X64] [EgorBo] Intrinsify Span.Slice(int,int) for Span[X..]

[MihuBot]

Job completed in 5 minutes 11 seconds (remote runner delay: 0 seconds).

Using arguments: -NoPRLink
Main commit: dotnet/runtime@91509b1
PR commit: EgorBo/runtime-1@91509b1

Diffs

Diffs

Found 91 files with textual diffs.

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 45953580
Total bytes of diff: 45947698
Total bytes of delta: -5882 (-0.01 % of base)
Total relative delta: -5.60
    diff is an improvement.
    relative diff is an improvement.


Top file improvements (bytes):
       -4962 : System.Numerics.Tensors.dasm (-0.42 % of base)
        -541 : System.IO.Compression.dasm (-0.30 % of base)
        -210 : System.Private.CoreLib.dasm (-0.00 % of base)
        -142 : System.Net.Primitives.dasm (-0.13 % of base)
         -11 : System.Net.Http.dasm (-0.00 % of base)
          -7 : System.Net.WebSockets.Client.dasm (-0.03 % of base)
          -7 : System.Net.WebSockets.dasm (-0.00 % of base)
          -2 : System.Runtime.Numerics.dasm (-0.00 % of base)

8 total files with Code Size differences (8 improved, 0 regressed), 252 unchanged.

Top method regressions (bytes):
           6 (5.41 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipGenericExtraField:WriteBlockCore(System.Span`1[byte]):this (FullOpts)
           4 (0.14 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipCentralDirectoryFileHeader+<TryReadBlockAsync>d__27:MoveNext():this (FullOpts)

Top method improvements (bytes):
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[byte](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[byte] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[byte](byref,int):System.Numerics.Tensors.TensorSpan`1[byte] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[double](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[double] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[double](byref,int):System.Numerics.Tensors.TensorSpan`1[double] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[int](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[int] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[int](byref,int):System.Numerics.Tensors.TensorSpan`1[int] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[long](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[long] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[long](byref,int):System.Numerics.Tensors.TensorSpan`1[long] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[short](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[short] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[short](byref,int):System.Numerics.Tensors.TensorSpan`1[short] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[System.Nullable`1[int]](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Nullable`1[int]] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[System.Nullable`1[int]](byref,int):System.Numerics.Tensors.TensorSpan`1[System.Nullable`1[int]] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[System.Numerics.Vector`1[float]](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Numerics.Vector`1[float]] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[System.Numerics.Vector`1[float]](byref,int):System.Numerics.Tensors.TensorSpan`1[System.Numerics.Vector`1[float]] (FullOpts)
        -257 (-12.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[System.__Canon](System.Numerics.Tensors.Tensor`1[System.__Canon],int):System.Numerics.Tensors.Tensor`1[System.__Canon] (FullOpts)
        -109 (-12.49 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipArchiveEntry:WriteCentralDirectoryFileHeaderPrepare(System.Span`1[byte],uint,uint,ushort,uint):this (FullOpts)
        -104 (-10.22 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipCentralDirectoryFileHeader:TryReadBlockInitialize(System.ReadOnlySpan`1[byte],byref,byref,byref,byref,byref,byref):bool (FullOpts)
         -52 (-13.90 % of base) : System.Net.Primitives.dasm - System.Net.CookieComparer:Equals(System.Net.Cookie,System.Net.Cookie):bool (FullOpts)
         -41 (-12.62 % of base) : System.Private.CoreLib.dasm - System.MemoryExtensions:TrimUtf8(System.ReadOnlySpan`1[byte]):System.ReadOnlySpan`1[byte] (FullOpts)
         -41 (-9.09 % of base) : System.Net.Primitives.dasm - System.Net.Cookie:Equals(System.Object):bool:this (FullOpts)
         -41 (-2.58 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[System.__Canon](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.__Canon] (FullOpts)
         -41 (-2.58 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[System.__Canon](byref,int):System.Numerics.Tensors.TensorSpan`1[System.__Canon] (FullOpts)
         -37 (-6.79 % of base) : System.IO.Compression.dasm - System.IO.Compression.Zip64EndOfCentralDirectoryRecord:TryReadBlockCore(System.Span`1[byte],int,byref):bool (FullOpts)
         -33 (-6.00 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipArchiveEntry:WriteLocalFileHeaderPrepare(System.Span`1[byte],uint,uint,ushort):this (FullOpts)
         -30 (-6.71 % of base) : System.IO.Compression.dasm - System.IO.Compression.Zip64EndOfCentralDirectoryRecord:WriteBlockCore(System.Span`1[byte],long,long,long) (FullOpts)
         -28 (-8.89 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipGenericExtraField:ParseExtraField(System.ReadOnlySpan`1[byte],byref):System.Collections.Generic.List`1[System.IO.Compression.ZipGenericExtraField] (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[byte]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[byte],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[double]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[double],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[int]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[int],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[long]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[long],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[short]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[short],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[System.__Canon]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.__Canon],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[System.Nullable`1[int]]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Nullable`1[int]],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[System.Numerics.Vector`1[float]]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Numerics.Vector`1[float]],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[byte]:.ctor(System.Numerics.Tensors.TensorSpan`1[byte],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[double]:.ctor(System.Numerics.Tensors.TensorSpan`1[double],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[int]:.ctor(System.Numerics.Tensors.TensorSpan`1[int],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[long]:.ctor(System.Numerics.Tensors.TensorSpan`1[long],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[short]:.ctor(System.Numerics.Tensors.TensorSpan`1[short],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[System.__Canon]:.ctor(System.Numerics.Tensors.TensorSpan`1[System.__Canon],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[System.Nullable`1[int]]:.ctor(System.Numerics.Tensors.TensorSpan`1[System.Nullable`1[int]],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[System.Numerics.Vector`1[float]]:.ctor(System.Numerics.Tensors.TensorSpan`1[System.Numerics.Vector`1[float]],int):this (FullOpts)
         -24 (-8.76 % of base) : System.IO.Compression.dasm - System.IO.Compression.Zip64EndOfCentralDirectoryLocator:TryReadBlockCore(System.Span`1[byte],int,byref):bool (FullOpts)
         -24 (-18.46 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipLocalFileHeader:GetExtraFieldsCore(System.Span`1[byte],int,int,byref,byref) (FullOpts)
         -24 (-4.25 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:AreCompatible(byref,byref,bool):bool (FullOpts)
         -23 (-6.01 % of base) : System.IO.Compression.dasm - System.IO.Compression.Zip64ExtraField:WriteBlockCore(System.Span`1[byte]):this (FullOpts)
         -23 (-2.21 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipCentralDirectoryFileHeader:TryReadBlock(System.ReadOnlySpan`1[byte],System.IO.Stream,bool,byref,byref):bool (FullOpts)
         -22 (-6.53 % of base) : System.Private.CoreLib.dasm - System.Int64:System.Numerics.IBinaryInteger<System.Int64>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -22 (-6.53 % of base) : System.Private.CoreLib.dasm - System.IntPtr:System.Numerics.IBinaryInteger<nint>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -22 (-3.24 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipEndOfCentralDirectoryBlock:TryReadBlockInitialize(System.IO.Stream,System.Span`1[byte],int,byref,byref):bool (FullOpts)
         -20 (-4.64 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipEndOfCentralDirectoryBlock:WriteBlockInitialize(System.Span`1[byte],long,long,long,byte[]) (FullOpts)
         -16 (-0.88 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[byte](System.Numerics.Tensors.Tensor`1[byte],int):System.Numerics.Tensors.Tensor`1[byte] (FullOpts)
         -16 (-0.88 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[double](System.Numerics.Tensors.Tensor`1[double],int):System.Numerics.Tensors.Tensor`1[double] (FullOpts)
         -16 (-0.90 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[int](System.Numerics.Tensors.Tensor`1[int],int):System.Numerics.Tensors.Tensor`1[int] (FullOpts)
         -16 (-0.88 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[long](System.Numerics.Tensors.Tensor`1[long],int):System.Numerics.Tensors.Tensor`1[long] (FullOpts)
         -16 (-0.88 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[short](System.Numerics.Tensors.Tensor`1[short],int):System.Numerics.Tensors.Tensor`1[short] (FullOpts)
         -16 (-0.88 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[System.Nullable`1[int]](System.Numerics.Tensors.Tensor`1[System.Nullable`1[int]],int):System.Numerics.Tensors.Tensor`1[System.Nullable`1[int]] (FullOpts)
         -16 (-0.88 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[System.Numerics.Vector`1[float]](System.Numerics.Tensors.Tensor`1[System.Numerics.Vector`1[float]],int):System.Numerics.Tensors.Tensor`1[System.Numerics.Vector`1[float]] (FullOpts)
         -15 (-8.24 % of base) : System.Private.CoreLib.dasm - System.Char:System.Numerics.IBinaryInteger<System.Char>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -15 (-2.84 % of base) : System.Private.CoreLib.dasm - System.Int128:System.Numerics.IBinaryInteger<System.Int128>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -15 (-5.58 % of base) : System.Private.CoreLib.dasm - System.Int16:System.Numerics.IBinaryInteger<System.Int16>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -15 (-4.63 % of base) : System.Private.CoreLib.dasm - System.Int32:System.Numerics.IBinaryInteger<System.Int32>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -15 (-6.38 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipArchiveEntry:WriteCrcAndSizesInLocalHeaderPrepareFor32bitValuesWriting(bool,System.Span`1[byte],uint,uint):this (FullOpts)
         -15 (-5.08 % of base) : System.Private.CoreLib.dasm - System.UInt128:System.Numerics.IBinaryInteger<System.UInt128>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -15 (-8.24 % of base) : System.Private.CoreLib.dasm - System.UInt16:System.Numerics.IBinaryInteger<System.UInt16>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -14 (-8.75 % of base) : System.Private.CoreLib.dasm - System.Byte:System.Numerics.IBinaryInteger<System.Byte>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -14 (-7.37 % of base) : System.Net.Primitives.dasm - System.Net.Cookie:SetDomainAndKey(System.String):this (FullOpts)
         -14 (-15.05 % of base) : System.Net.Primitives.dasm - System.Net.CookieComparer:StripLeadingDot(System.ReadOnlySpan`1[char]):System.ReadOnlySpan`1[char] (FullOpts)
         -14 (-6.31 % of base) : System.Private.CoreLib.dasm - System.SByte:System.Numerics.IBinaryInteger<System.SByte>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -13 (-1.80 % of base) : System.Net.Primitives.dasm - System.Net.CookieContainer:InternalGetCookies(System.Uri):System.Net.CookieCollection:this (FullOpts)
         -12 (-7.89 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipArchiveEntry:WriteCrcAndSizesInLocalHeaderPrepareForWritingWhenZip64HeaderUsed(System.Span`1[byte]):this (FullOpts)
         -12 (-5.71 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipArchiveEntry:WriteCrcAndSizesInLocalHeaderPrepareForZip64PretendStreaming(System.Span`1[byte]):this (FullOpts)
         -12 (-0.55 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[byte](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
         -12 (-0.55 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[double](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
         -12 (-0.55 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[int](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
         -12 (-0.55 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[long](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
         -12 (-0.55 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[short](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
         -12 (-0.55 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[System.Nullable`1[int]](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
         -12 (-0.55 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[System.Numerics.Vector`1[float]](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
         -11 (-1.27 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipLocalFileHeader:GetExtraFields(System.IO.Stream,byref):System.Collections.Generic.List`1[System.IO.Compression.ZipGenericExtraField] (FullOpts)
         -11 (-1.25 % of base) : System.Net.Http.dasm - System.Net.Http.HttpContent:ReadBufferAsString(System.Net.Http.HttpContent+LimitArrayPoolWriteStream,System.Net.Http.Headers.HttpContentHeaders):System.String (FullOpts)
         -10 (-3.05 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipArchiveEntry:PrepareToWriteDataDescriptor(System.Span`1[byte]):int:this (FullOpts)
          -8 (-3.40 % of base) : System.Net.Primitives.dasm - System.Net.CookieComparer:EqualDomains(System.ReadOnlySpan`1[char],System.ReadOnlySpan`1[char]):bool (FullOpts)
          -7 (-2.47 % of base) : System.Net.WebSockets.dasm - System.Net.WebSockets.Compression.WebSocketInflater:Finish(System.Span`1[byte],byref):bool:this (FullOpts)
          -7 (-0.73 % of base) : System.Net.WebSockets.Client.dasm - System.Net.WebSockets.WebSocketHandle:ParseDeflateOptions(System.ReadOnlySpan`1[char],System.Net.WebSockets.WebSocketDeflateOptions):System.Net.WebSockets.WebSocketDeflateOptions (FullOpts)
          -6 (-2.68 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipLocalFileHeader:TrySkipBlockFinalize(System.IO.Stream,System.Span`1[byte],int):bool (FullOpts)
          -6 (-0.22 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipLocalFileHeader+<GetExtraFieldsAsync>d__12:MoveNext():this (FullOpts)
          -5 (-1.98 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:AreCompatible(byref,byref):bool (FullOpts)
          -4 (-0.19 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[System.__Canon](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
          -2 (-0.48 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipGenericExtraField:TryReadBlock(System.ReadOnlySpan`1[byte],byref,byref):bool (FullOpts)
          -2 (-0.19 % of base) : System.Runtime.Numerics.dasm - System.Number:<NumberToBigInteger>g__Recursive|12_1(byref,int,System.ReadOnlySpan`1[uint],System.Span`1[uint]) (FullOpts)
          -2 (-0.98 % of base) : System.Private.CoreLib.dasm - System.UInt32:System.Numerics.IBinaryInteger<System.UInt32>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
          -2 (-0.98 % of base) : System.Private.CoreLib.dasm - System.UInt64:System.Numerics.IBinaryInteger<System.UInt64>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
          -2 (-0.98 % of base) : System.Private.CoreLib.dasm - System.UIntPtr:System.Numerics.IBinaryInteger<nuint>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
          -1 (-0.45 % of base) : System.Private.CoreLib.dasm - System.MemoryExtensions:<TrimUtf8>g__TrimFallback|287_0(System.ReadOnlySpan`1[byte]):System.ReadOnlySpan`1[byte] (FullOpts)

Top method regressions (percentages):
           6 (5.41 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipGenericExtraField:WriteBlockCore(System.Span`1[byte]):this (FullOpts)
           4 (0.14 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipCentralDirectoryFileHeader+<TryReadBlockAsync>d__27:MoveNext():this (FullOpts)

Top method improvements (percentages):
         -24 (-18.46 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipLocalFileHeader:GetExtraFieldsCore(System.Span`1[byte],int,int,byref,byref) (FullOpts)
         -14 (-15.05 % of base) : System.Net.Primitives.dasm - System.Net.CookieComparer:StripLeadingDot(System.ReadOnlySpan`1[char]):System.ReadOnlySpan`1[char] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[byte](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[byte] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[byte](byref,int):System.Numerics.Tensors.TensorSpan`1[byte] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[double](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[double] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[double](byref,int):System.Numerics.Tensors.TensorSpan`1[double] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[int](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[int] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[int](byref,int):System.Numerics.Tensors.TensorSpan`1[int] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[long](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[long] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[long](byref,int):System.Numerics.Tensors.TensorSpan`1[long] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[short](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[short] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[short](byref,int):System.Numerics.Tensors.TensorSpan`1[short] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[System.Nullable`1[int]](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Nullable`1[int]] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[System.Nullable`1[int]](byref,int):System.Numerics.Tensors.TensorSpan`1[System.Nullable`1[int]] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[System.Numerics.Vector`1[float]](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Numerics.Vector`1[float]] (FullOpts)
        -283 (-14.89 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[System.Numerics.Vector`1[float]](byref,int):System.Numerics.Tensors.TensorSpan`1[System.Numerics.Vector`1[float]] (FullOpts)
         -52 (-13.90 % of base) : System.Net.Primitives.dasm - System.Net.CookieComparer:Equals(System.Net.Cookie,System.Net.Cookie):bool (FullOpts)
         -41 (-12.62 % of base) : System.Private.CoreLib.dasm - System.MemoryExtensions:TrimUtf8(System.ReadOnlySpan`1[byte]):System.ReadOnlySpan`1[byte] (FullOpts)
        -257 (-12.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[System.__Canon](System.Numerics.Tensors.Tensor`1[System.__Canon],int):System.Numerics.Tensors.Tensor`1[System.__Canon] (FullOpts)
        -109 (-12.49 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipArchiveEntry:WriteCentralDirectoryFileHeaderPrepare(System.Span`1[byte],uint,uint,ushort,uint):this (FullOpts)
        -104 (-10.22 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipCentralDirectoryFileHeader:TryReadBlockInitialize(System.ReadOnlySpan`1[byte],byref,byref,byref,byref,byref,byref):bool (FullOpts)
         -41 (-9.09 % of base) : System.Net.Primitives.dasm - System.Net.Cookie:Equals(System.Object):bool:this (FullOpts)
         -28 (-8.89 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipGenericExtraField:ParseExtraField(System.ReadOnlySpan`1[byte],byref):System.Collections.Generic.List`1[System.IO.Compression.ZipGenericExtraField] (FullOpts)
         -24 (-8.76 % of base) : System.IO.Compression.dasm - System.IO.Compression.Zip64EndOfCentralDirectoryLocator:TryReadBlockCore(System.Span`1[byte],int,byref):bool (FullOpts)
         -14 (-8.75 % of base) : System.Private.CoreLib.dasm - System.Byte:System.Numerics.IBinaryInteger<System.Byte>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -15 (-8.24 % of base) : System.Private.CoreLib.dasm - System.Char:System.Numerics.IBinaryInteger<System.Char>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -15 (-8.24 % of base) : System.Private.CoreLib.dasm - System.UInt16:System.Numerics.IBinaryInteger<System.UInt16>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -12 (-7.89 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipArchiveEntry:WriteCrcAndSizesInLocalHeaderPrepareForWritingWhenZip64HeaderUsed(System.Span`1[byte]):this (FullOpts)
         -14 (-7.37 % of base) : System.Net.Primitives.dasm - System.Net.Cookie:SetDomainAndKey(System.String):this (FullOpts)
         -37 (-6.79 % of base) : System.IO.Compression.dasm - System.IO.Compression.Zip64EndOfCentralDirectoryRecord:TryReadBlockCore(System.Span`1[byte],int,byref):bool (FullOpts)
         -30 (-6.71 % of base) : System.IO.Compression.dasm - System.IO.Compression.Zip64EndOfCentralDirectoryRecord:WriteBlockCore(System.Span`1[byte],long,long,long) (FullOpts)
         -22 (-6.53 % of base) : System.Private.CoreLib.dasm - System.Int64:System.Numerics.IBinaryInteger<System.Int64>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -22 (-6.53 % of base) : System.Private.CoreLib.dasm - System.IntPtr:System.Numerics.IBinaryInteger<nint>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -15 (-6.38 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipArchiveEntry:WriteCrcAndSizesInLocalHeaderPrepareFor32bitValuesWriting(bool,System.Span`1[byte],uint,uint):this (FullOpts)
         -14 (-6.31 % of base) : System.Private.CoreLib.dasm - System.SByte:System.Numerics.IBinaryInteger<System.SByte>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -23 (-6.01 % of base) : System.IO.Compression.dasm - System.IO.Compression.Zip64ExtraField:WriteBlockCore(System.Span`1[byte]):this (FullOpts)
         -33 (-6.00 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipArchiveEntry:WriteLocalFileHeaderPrepare(System.Span`1[byte],uint,uint,ushort):this (FullOpts)
         -12 (-5.71 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipArchiveEntry:WriteCrcAndSizesInLocalHeaderPrepareForZip64PretendStreaming(System.Span`1[byte]):this (FullOpts)
         -15 (-5.58 % of base) : System.Private.CoreLib.dasm - System.Int16:System.Numerics.IBinaryInteger<System.Int16>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -15 (-5.08 % of base) : System.Private.CoreLib.dasm - System.UInt128:System.Numerics.IBinaryInteger<System.UInt128>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -20 (-4.64 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipEndOfCentralDirectoryBlock:WriteBlockInitialize(System.Span`1[byte],long,long,long,byte[]) (FullOpts)
         -15 (-4.63 % of base) : System.Private.CoreLib.dasm - System.Int32:System.Numerics.IBinaryInteger<System.Int32>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -24 (-4.25 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:AreCompatible(byref,byref,bool):bool (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[byte]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[byte],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[double]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[double],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[int]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[int],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[long]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[long],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[short]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[short],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[System.__Canon]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.__Canon],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[System.Nullable`1[int]]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Nullable`1[int]],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[System.Numerics.Vector`1[float]]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.Numerics.Vector`1[float]],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[byte]:.ctor(System.Numerics.Tensors.TensorSpan`1[byte],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[double]:.ctor(System.Numerics.Tensors.TensorSpan`1[double],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[int]:.ctor(System.Numerics.Tensors.TensorSpan`1[int],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[long]:.ctor(System.Numerics.Tensors.TensorSpan`1[long],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[short]:.ctor(System.Numerics.Tensors.TensorSpan`1[short],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[System.__Canon]:.ctor(System.Numerics.Tensors.TensorSpan`1[System.__Canon],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[System.Nullable`1[int]]:.ctor(System.Numerics.Tensors.TensorSpan`1[System.Nullable`1[int]],int):this (FullOpts)
         -27 (-4.17 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[System.Numerics.Vector`1[float]]:.ctor(System.Numerics.Tensors.TensorSpan`1[System.Numerics.Vector`1[float]],int):this (FullOpts)
          -8 (-3.40 % of base) : System.Net.Primitives.dasm - System.Net.CookieComparer:EqualDomains(System.ReadOnlySpan`1[char],System.ReadOnlySpan`1[char]):bool (FullOpts)
         -22 (-3.24 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipEndOfCentralDirectoryBlock:TryReadBlockInitialize(System.IO.Stream,System.Span`1[byte],int,byref,byref):bool (FullOpts)
         -10 (-3.05 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipArchiveEntry:PrepareToWriteDataDescriptor(System.Span`1[byte]):int:this (FullOpts)
         -15 (-2.84 % of base) : System.Private.CoreLib.dasm - System.Int128:System.Numerics.IBinaryInteger<System.Int128>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
          -6 (-2.68 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipLocalFileHeader:TrySkipBlockFinalize(System.IO.Stream,System.Span`1[byte],int):bool (FullOpts)
         -41 (-2.58 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[System.__Canon](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.__Canon] (FullOpts)
         -41 (-2.58 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[System.__Canon](byref,int):System.Numerics.Tensors.TensorSpan`1[System.__Canon] (FullOpts)
          -7 (-2.47 % of base) : System.Net.WebSockets.dasm - System.Net.WebSockets.Compression.WebSocketInflater:Finish(System.Span`1[byte],byref):bool:this (FullOpts)
         -23 (-2.21 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipCentralDirectoryFileHeader:TryReadBlock(System.ReadOnlySpan`1[byte],System.IO.Stream,bool,byref,byref):bool (FullOpts)
          -5 (-1.98 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:AreCompatible(byref,byref):bool (FullOpts)
         -13 (-1.80 % of base) : System.Net.Primitives.dasm - System.Net.CookieContainer:InternalGetCookies(System.Uri):System.Net.CookieCollection:this (FullOpts)
         -11 (-1.27 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipLocalFileHeader:GetExtraFields(System.IO.Stream,byref):System.Collections.Generic.List`1[System.IO.Compression.ZipGenericExtraField] (FullOpts)
         -11 (-1.25 % of base) : System.Net.Http.dasm - System.Net.Http.HttpContent:ReadBufferAsString(System.Net.Http.HttpContent+LimitArrayPoolWriteStream,System.Net.Http.Headers.HttpContentHeaders):System.String (FullOpts)
          -2 (-0.98 % of base) : System.Private.CoreLib.dasm - System.UInt32:System.Numerics.IBinaryInteger<System.UInt32>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
          -2 (-0.98 % of base) : System.Private.CoreLib.dasm - System.UInt64:System.Numerics.IBinaryInteger<System.UInt64>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
          -2 (-0.98 % of base) : System.Private.CoreLib.dasm - System.UIntPtr:System.Numerics.IBinaryInteger<nuint>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -16 (-0.90 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[int](System.Numerics.Tensors.Tensor`1[int],int):System.Numerics.Tensors.Tensor`1[int] (FullOpts)
         -16 (-0.88 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[byte](System.Numerics.Tensors.Tensor`1[byte],int):System.Numerics.Tensors.Tensor`1[byte] (FullOpts)
         -16 (-0.88 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[double](System.Numerics.Tensors.Tensor`1[double],int):System.Numerics.Tensors.Tensor`1[double] (FullOpts)
         -16 (-0.88 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[long](System.Numerics.Tensors.Tensor`1[long],int):System.Numerics.Tensors.Tensor`1[long] (FullOpts)
         -16 (-0.88 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[short](System.Numerics.Tensors.Tensor`1[short],int):System.Numerics.Tensors.Tensor`1[short] (FullOpts)
         -16 (-0.88 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[System.Nullable`1[int]](System.Numerics.Tensors.Tensor`1[System.Nullable`1[int]],int):System.Numerics.Tensors.Tensor`1[System.Nullable`1[int]] (FullOpts)
         -16 (-0.88 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[System.Numerics.Vector`1[float]](System.Numerics.Tensors.Tensor`1[System.Numerics.Vector`1[float]],int):System.Numerics.Tensors.Tensor`1[System.Numerics.Vector`1[float]] (FullOpts)
          -7 (-0.73 % of base) : System.Net.WebSockets.Client.dasm - System.Net.WebSockets.WebSocketHandle:ParseDeflateOptions(System.ReadOnlySpan`1[char],System.Net.WebSockets.WebSocketDeflateOptions):System.Net.WebSockets.WebSocketDeflateOptions (FullOpts)
         -12 (-0.55 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[byte](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
         -12 (-0.55 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[double](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
         -12 (-0.55 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[int](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
         -12 (-0.55 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[long](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
         -12 (-0.55 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[short](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
         -12 (-0.55 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[System.Nullable`1[int]](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
         -12 (-0.55 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[System.Numerics.Vector`1[float]](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
          -2 (-0.48 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipGenericExtraField:TryReadBlock(System.ReadOnlySpan`1[byte],byref,byref):bool (FullOpts)
          -1 (-0.45 % of base) : System.Private.CoreLib.dasm - System.MemoryExtensions:<TrimUtf8>g__TrimFallback|287_0(System.ReadOnlySpan`1[byte]):System.ReadOnlySpan`1[byte] (FullOpts)
          -6 (-0.22 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipLocalFileHeader+<GetExtraFieldsAsync>d__12:MoveNext():this (FullOpts)
          -4 (-0.19 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[System.__Canon](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
          -2 (-0.19 % of base) : System.Runtime.Numerics.dasm - System.Number:<NumberToBigInteger>g__Recursive|12_1(byref,int,System.ReadOnlySpan`1[uint],System.Span`1[uint]) (FullOpts)

97 total methods with Code Size differences (95 improved, 2 regressed), 283067 unchanged.

--------------------------------------------------------------------------------

Artifacts:

• ShortDiffsRegressions.md (10 KB)
• LongDiffsRegressions.md (116 KB)
• diff-frameworks.txt (38 KB)
• ShortDiffsImprovements.md (38 KB)
• LongDiffsImprovements.md (877 KB)
• jit-diffs-main.zip (154 MB)
• jit-diffs-pr.zip (154 MB)

[MihuBot]

Top method regressions

6 (5.41 % of base) - System.IO.Compression.ZipGenericExtraField:WriteBlockCore(System.Span`1[byte]):this

 ; Assembly listing for method System.IO.Compression.ZipGenericExtraField:WriteBlockCore(System.Span`1[byte]):this (FullOpts)
 ; Emitting BLENDED_CODE for generic X64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
-; 0 inlinees with PGO data; 4 single block inlinees; 6 inlinees without PGO data
+; 0 inlinees with PGO data; 3 single block inlinees; 5 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 this         [V00,T00] (  4,  4   )     ref  ->  rdi         this class-hnd single-def <System.IO.Compression.ZipGenericExtraField>
-;  V01 arg1         [V01    ] (  8,  8   )  struct (16) [rbp-0x10]  do-not-enreg[XSFA] multireg-arg addr-exposed ld-addr-op single-def <System.Span`1[byte]>
+;  V00 this         [V00,T02] (  4,  4   )     ref  ->  rdi         this class-hnd single-def <System.IO.Compression.ZipGenericExtraField>
+;  V01 arg1         [V01    ] ( 10, 10   )  struct (16) [rbp-0x10]  do-not-enreg[SFA] multireg-arg ld-addr-op single-def <System.Span`1[byte]>
 ;* V02 loc0         [V02    ] (  0,  0   )   byref  ->  zero-ref   
-;* V03 loc1         [V03,T08] (  0,  0   )   byref  ->  zero-ref    single-def
+;* V03 loc1         [V03    ] (  0,  0   )   byref  ->  zero-ref   
 ;# V04 OutArgs      [V04    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;* V05 tmp1         [V05    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.Span`1[byte]>
-;* V06 tmp2         [V06    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.Span`1[byte]>
-;  V07 tmp3         [V07,T02] (  2,  4   )     int  ->  rax         "Inlining Arg"
-;* V08 tmp4         [V08    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[byte]>
-;* V09 tmp5         [V09    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
-;  V10 tmp6         [V10,T03] (  2,  4   )  ushort  ->  rdx         ld-addr-op "Inlining Arg"
-;* V11 tmp7         [V11    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
+;* V06 tmp2         [V06    ] (  0,  0   )  struct (16) zero-ref    "(ReadOnly)Span<T> for Slice" <System.Span`1[byte]>
+;* V07 tmp3         [V07    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
+;  V08 tmp4         [V08,T03] (  3,  6   )     int  ->  rax         "Inlining Arg"
+;* V09 tmp5         [V09    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[byte]>
+;* V10 tmp6         [V10    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
+;  V11 tmp7         [V11,T04] (  2,  4   )  ushort  ->  rdx         ld-addr-op "Inlining Arg"
 ;* V12 tmp8         [V12    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
-;  V13 tmp9         [V13,T01] (  3,  6   )     int  ->  rcx         "Inlining Arg"
-;* V14 tmp10        [V14    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[byte]>
-;* V15 tmp11        [V15    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
-;  V16 tmp12        [V16,T04] (  2,  4   )  ushort  ->  rdx         ld-addr-op "Inlining Arg"
-;* V17 tmp13        [V17    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
-;* V18 tmp14        [V18    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
-;  V19 tmp15        [V19    ] (  7,  7   )   byref  ->  [rbp-0x10]  do-not-enreg[X] addr-exposed single-def "field V01._reference (fldOffset=0x0)" P-DEP
-;  V20 tmp16        [V20    ] (  7,  7   )     int  ->  [rbp-0x08]  do-not-enreg[X] addr-exposed single-def "field V01._length (fldOffset=0x8)" P-DEP
-;* V21 tmp17        [V21    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V05._reference (fldOffset=0x0)" P-INDEP
-;* V22 tmp18        [V22    ] (  0,  0   )     int  ->  zero-ref    "field V05._length (fldOffset=0x8)" P-INDEP
-;* V23 tmp19        [V23    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V06._reference (fldOffset=0x0)" P-INDEP
-;* V24 tmp20        [V24    ] (  0,  0   )     int  ->  zero-ref    "field V06._length (fldOffset=0x8)" P-INDEP
-;  V25 tmp21        [V25,T06] (  2,  2   )   byref  ->  rcx         single-def "field V08._reference (fldOffset=0x0)" P-INDEP
-;* V26 tmp22        [V26    ] (  0,  0   )     int  ->  zero-ref    "field V08._length (fldOffset=0x8)" P-INDEP
-;* V27 tmp23        [V27    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V11._reference (fldOffset=0x0)" P-INDEP
-;* V28 tmp24        [V28    ] (  0,  0   )     int  ->  zero-ref    "field V11._length (fldOffset=0x8)" P-INDEP
-;* V29 tmp25        [V29    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V12._reference (fldOffset=0x0)" P-INDEP
-;* V30 tmp26        [V30    ] (  0,  0   )     int  ->  zero-ref    "field V12._length (fldOffset=0x8)" P-INDEP
-;  V31 tmp27        [V31,T07] (  2,  2   )   byref  ->  rax         single-def "field V14._reference (fldOffset=0x0)" P-INDEP
-;* V32 tmp28        [V32    ] (  0,  0   )     int  ->  zero-ref    "field V14._length (fldOffset=0x8)" P-INDEP
-;* V33 tmp29        [V33    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V17._reference (fldOffset=0x0)" P-INDEP
-;* V34 tmp30        [V34    ] (  0,  0   )     int  ->  zero-ref    "field V17._length (fldOffset=0x8)" P-INDEP
-;* V35 tmp31        [V35    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V18._reference (fldOffset=0x0)" P-INDEP
-;* V36 tmp32        [V36    ] (  0,  0   )     int  ->  zero-ref    "field V18._length (fldOffset=0x8)" P-INDEP
-;  V37 cse0         [V37,T05] (  3,  3   )     int  ->  rax         "CSE #01: aggressive"
+;* V13 tmp9         [V13    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
+;  V14 tmp10        [V14,T05] (  2,  4   )  ushort  ->  rdx         ld-addr-op "Inlining Arg"
+;* V15 tmp11        [V15    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
+;* V16 tmp12        [V16    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
+;  V17 tmp13        [V17,T00] (  9,  9   )   byref  ->  [rbp-0x10]  do-not-enreg[] single-def "field V01._reference (fldOffset=0x0)" P-DEP
+;  V18 tmp14        [V18,T01] (  9,  9   )     int  ->  [rbp-0x08]  do-not-enreg[] single-def "field V01._length (fldOffset=0x8)" P-DEP
+;* V19 tmp15        [V19    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V05._reference (fldOffset=0x0)" P-INDEP
+;* V20 tmp16        [V20    ] (  0,  0   )     int  ->  zero-ref    "field V05._length (fldOffset=0x8)" P-INDEP
+;  V21 tmp17        [V21,T06] (  2,  2   )   byref  ->  rax         single-def "field V06._reference (fldOffset=0x0)" P-INDEP
+;  V22 tmp18        [V22,T08] (  2,  2   )     int  ->  rcx         "field V06._length (fldOffset=0x8)" P-INDEP
+;  V23 tmp19        [V23,T07] (  2,  2   )   byref  ->  rcx         single-def "field V09._reference (fldOffset=0x0)" P-INDEP
+;* V24 tmp20        [V24    ] (  0,  0   )     int  ->  zero-ref    "field V09._length (fldOffset=0x8)" P-INDEP
+;* V25 tmp21        [V25    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V12._reference (fldOffset=0x0)" P-INDEP
+;* V26 tmp22        [V26    ] (  0,  0   )     int  ->  zero-ref    "field V12._length (fldOffset=0x8)" P-INDEP
+;* V27 tmp23        [V27    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V13._reference (fldOffset=0x0)" P-INDEP
+;* V28 tmp24        [V28    ] (  0,  0   )     int  ->  zero-ref    "field V13._length (fldOffset=0x8)" P-INDEP
+;* V29 tmp25        [V29    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V15._reference (fldOffset=0x0)" P-INDEP
+;* V30 tmp26        [V30    ] (  0,  0   )     int  ->  zero-ref    "field V15._length (fldOffset=0x8)" P-INDEP
+;* V31 tmp27        [V31    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V16._reference (fldOffset=0x0)" P-INDEP
+;* V32 tmp28        [V32    ] (  0,  0   )     int  ->  zero-ref    "field V16._length (fldOffset=0x8)" P-INDEP
 ;
 ; Lcl frame size = 16
 
 G_M31521_IG01:
        push     rbp
        sub      rsp, 16
        lea      rbp, [rsp+0x10]
        mov      bword ptr [rbp-0x10], rsi
        mov      qword ptr [rbp-0x08], rdx
 						;; size=18 bbWeight=1 PerfScore 3.75
 G_M31521_IG02:
        mov      eax, dword ptr [rbp-0x08]
+       cmp      eax, dword ptr [rbp-0x08]
+       ja       SHORT G_M31521_IG04
        mov      rcx, bword ptr [rbp-0x10]
        movzx    rdx, word  ptr [rdi+0x10]
        cmp      eax, 2
-       jl       SHORT G_M31521_IG05
+       jl       SHORT G_M31521_IG06
        mov      word  ptr [rcx], dx
-       mov      eax, dword ptr [rbp-0x08]
-       lea      ecx, [rax-0x02]
-       mov      edx, ecx
-       add      rdx, 2
-       cmp      rdx, rax
-       ja       SHORT G_M31521_IG04
+       cmp      dword ptr [rbp-0x08], 2
+       jl       SHORT G_M31521_IG05
        mov      rax, bword ptr [rbp-0x10]
        add      rax, 2
+       mov      ecx, dword ptr [rbp-0x08]
+       add      ecx, -2
        movzx    rdx, word  ptr [rdi+0x12]
        cmp      ecx, 2
-       jl       SHORT G_M31521_IG05
+       jl       SHORT G_M31521_IG06
        mov      word  ptr [rax], dx
-						;; size=56 bbWeight=1 PerfScore 15.00
+						;; size=56 bbWeight=1 PerfScore 19.00
 G_M31521_IG03:
        add      rsp, 16
        pop      rbp
        ret      
 						;; size=6 bbWeight=1 PerfScore 1.75
 G_M31521_IG04:
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentOutOfRangeException()
        call     [rax]System.ThrowHelper:ThrowArgumentOutOfRangeException()
        int3     
 						;; size=13 bbWeight=0 PerfScore 0.00
 G_M31521_IG05:
+       call     CORINFO_HELP_THROW_ARGUMENTOUTOFRANGEEXCEPTION
+       int3     
+						;; size=6 bbWeight=0 PerfScore 0.00
+G_M31521_IG06:
        mov      edi, 40
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentOutOfRangeException(int)
        call     [rax]System.ThrowHelper:ThrowArgumentOutOfRangeException(int)
        int3     
 						;; size=18 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 111, prolog size 10, PerfScore 20.50, instruction count 33, allocated bytes for code 111 (MethodHash=6aef84de) for method System.IO.Compression.ZipGenericExtraField:WriteBlockCore(System.Span`1[byte]):this (FullOpts)
+; Total bytes of code 117, prolog size 10, PerfScore 24.50, instruction count 35, allocated bytes for code 117 (MethodHash=6aef84de) for method System.IO.Compression.ZipGenericExtraField:WriteBlockCore(System.Span`1[byte]):this (FullOpts)
 ; ============================================================

Note: some changes were skipped as they were too large to fit into a comment.

Larger list of diffs: https://gist.github.com/MihuBot/bf688079d5522dc99bb05d1df00aa130

[MihuBot]

Top method improvements

-52 (-13.90 % of base) - System.Net.CookieComparer:Equals(System.Net.Cookie,System.Net.Cookie):bool

 ; Assembly listing for method System.Net.CookieComparer:Equals(System.Net.Cookie,System.Net.Cookie):bool (FullOpts)
 ; Emitting BLENDED_CODE for generic X64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
-; 0 inlinees with PGO data; 17 single block inlinees; 12 inlinees without PGO data
+; 0 inlinees with PGO data; 15 single block inlinees; 10 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 arg0         [V00,T00] (  5,  4   )     ref  ->  rbx         class-hnd single-def <System.Net.Cookie>
 ;  V01 arg1         [V01,T01] (  5,  4   )     ref  ->  r15         class-hnd single-def <System.Net.Cookie>
 ;# V02 OutArgs      [V02    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;* V03 tmp1         [V03    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "impAppendStmt" <System.String>
 ;* V04 tmp2         [V04    ] (  0,  0   )  struct (16) zero-ref    "impAppendStmt" <System.ReadOnlySpan`1[char]>
 ;* V05 tmp3         [V05    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.ReadOnlySpan`1[char]>
 ;* V06 tmp4         [V06    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "impAppendStmt" <System.String>
 ;  V07 tmp5         [V07,T03] (  4,  4   )     ref  ->  rax         class-hnd exact single-def "Inlining Arg" <System.String>
 ;* V08 tmp6         [V08    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[char]>
 ;* V09 tmp7         [V09    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inline ldloca(s) first use temp" <System.ReadOnlySpan`1[char]>
-;  V10 tmp8         [V10,T14] (  2,  2   )   byref  ->  rdi         single-def "Inlining Arg"
-;  V11 tmp9         [V11,T16] (  2,  2   )     int  ->  rax         "Inlining Arg"
+;  V10 tmp8         [V10,T16] (  2,  2   )   byref  ->  rdi         single-def "Inlining Arg"
+;  V11 tmp9         [V11,T18] (  2,  2   )     int  ->  rax         "Inlining Arg"
 ;* V12 tmp10        [V12    ] (  0,  0   )  struct (16) zero-ref    "Inline return value spill temp" <System.ReadOnlySpan`1[char]>
 ;  V13 tmp11        [V13,T04] (  4,  4   )     ref  ->  rcx         class-hnd exact single-def "Inlining Arg" <System.String>
 ;* V14 tmp12        [V14    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[char]>
 ;* V15 tmp13        [V15    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inline ldloca(s) first use temp" <System.ReadOnlySpan`1[char]>
-;  V16 tmp14        [V16,T15] (  2,  2   )   byref  ->  rdx         single-def "Inlining Arg"
-;  V17 tmp15        [V17,T17] (  2,  2   )     int  ->  rcx         "Inlining Arg"
+;  V16 tmp14        [V16,T17] (  2,  2   )   byref  ->  rsi         single-def "Inlining Arg"
+;  V17 tmp15        [V17,T19] (  2,  2   )     int  ->  rdx         "Inlining Arg"
 ;* V18 tmp16        [V18    ] (  0,  0   )  struct (16) zero-ref    "impAppendStmt" <System.ReadOnlySpan`1[char]>
 ;* V19 tmp17        [V19    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.ReadOnlySpan`1[char]>
 ;  V20 tmp18        [V20    ] (  5,  5   )  struct (16) [rbp-0x20]  do-not-enreg[SF] must-init ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
 ;* V21 tmp19        [V21    ] (  0,  0   )   byref  ->  zero-ref    "Inline stloc first use temp"
-;* V22 tmp20        [V22,T28] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;* V23 tmp21        [V23    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
-;* V24 tmp22        [V24    ] (  0,  0   )  ushort  ->  zero-ref    ld-addr-op "Inline stloc first use temp"
-;* V25 tmp23        [V25    ] (  0,  0   )   byref  ->  zero-ref   
-;  V26 tmp24        [V26,T09] (  3,  3   )     int  ->  rsi         "Inlining Arg"
-;* V27 tmp25        [V27    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[char]>
-;* V28 tmp26        [V28    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
-;* V29 tmp27        [V29    ] (  0,  0   )  struct (16) zero-ref    "Inline return value spill temp" <System.ReadOnlySpan`1[char]>
-;  V30 tmp28        [V30    ] (  8,  8   )  struct (16) [rbp-0x30]  do-not-enreg[XSF] must-init addr-exposed ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
-;* V31 tmp29        [V31,T27] (  0,  0   )   byref  ->  zero-ref    single-def "Inline stloc first use temp"
-;* V32 tmp30        [V32,T29] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;* V33 tmp31        [V33    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
-;* V34 tmp32        [V34    ] (  0,  0   )  ushort  ->  zero-ref    ld-addr-op "Inline stloc first use temp"
-;* V35 tmp33        [V35    ] (  0,  0   )   byref  ->  zero-ref   
-;  V36 tmp34        [V36,T10] (  3,  3   )     int  ->  rdx         "Inlining Arg"
-;* V37 tmp35        [V37    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[char]>
-;* V38 tmp36        [V38    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
-;* V39 tmp37        [V39    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;  V40 tmp38        [V40,T25] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
-;* V41 tmp39        [V41    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
+;* V22 tmp20        [V22    ] (  0,  0   )  struct (16) zero-ref    "(ReadOnly)Span<T> for Slice" <System.ReadOnlySpan`1[char]>
+;* V23 tmp21        [V23    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
+;* V24 tmp22        [V24,T26] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
+;* V25 tmp23        [V25    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
+;* V26 tmp24        [V26    ] (  0,  0   )  ushort  ->  zero-ref    ld-addr-op "Inline stloc first use temp"
+;* V27 tmp25        [V27    ] (  0,  0   )   byref  ->  zero-ref   
+;* V28 tmp26        [V28    ] (  0,  0   )  struct (16) zero-ref    "Inline return value spill temp" <System.ReadOnlySpan`1[char]>
+;  V29 tmp27        [V29    ] (  5,  5   )  struct (16) [rbp-0x30]  do-not-enreg[SF] must-init ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
+;* V30 tmp28        [V30    ] (  0,  0   )   byref  ->  zero-ref    "Inline stloc first use temp"
+;* V31 tmp29        [V31    ] (  0,  0   )  struct (16) zero-ref    "(ReadOnly)Span<T> for Slice" <System.ReadOnlySpan`1[char]>
+;* V32 tmp30        [V32    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
+;* V33 tmp31        [V33,T27] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
+;* V34 tmp32        [V34    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
+;* V35 tmp33        [V35    ] (  0,  0   )  ushort  ->  zero-ref    ld-addr-op "Inline stloc first use temp"
+;* V36 tmp34        [V36    ] (  0,  0   )   byref  ->  zero-ref   
+;* V37 tmp35        [V37    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
+;  V38 tmp36        [V38,T23] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
+;* V39 tmp37        [V39    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
+;* V40 tmp38        [V40    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
+;* V41 tmp39        [V41    ] (  0,  0   )   byref  ->  zero-ref    single-def "impAppendStmt"
 ;* V42 tmp40        [V42    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
-;* V43 tmp41        [V43    ] (  0,  0   )   byref  ->  zero-ref    single-def "impAppendStmt"
-;* V44 tmp42        [V44    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
-;* V45 tmp43        [V45    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
-;  V46 tmp44        [V46,T12] (  5,  2.50)   ubyte  ->  rax         "Inline return value spill temp"
-;* V47 tmp45        [V47    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
-;* V48 tmp46        [V48    ] (  0,  0   )   byref  ->  zero-ref    single-def "Inlining Arg"
-;  V49 tmp47        [V49,T11] (  5,  2.50)   byref  ->  rdi         "field V04._reference (fldOffset=0x0)" P-INDEP
-;  V50 tmp48        [V50,T13] (  5,  2.50)     int  ->  rax         "field V04._length (fldOffset=0x8)" P-INDEP
-;* V51 tmp49        [V51    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V05._reference (fldOffset=0x0)" P-INDEP
-;* V52 tmp50        [V52    ] (  0,  0   )     int  ->  zero-ref    "field V05._length (fldOffset=0x8)" P-INDEP
-;* V53 tmp51        [V53    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V08._reference (fldOffset=0x0)" P-INDEP
-;* V54 tmp52        [V54    ] (  0,  0   )     int  ->  zero-ref    "field V08._length (fldOffset=0x8)" P-INDEP
-;* V55 tmp53        [V55    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V09._reference (fldOffset=0x0)" P-INDEP
-;* V56 tmp54        [V56    ] (  0,  0   )     int  ->  zero-ref    "field V09._length (fldOffset=0x8)" P-INDEP
-;  V57 tmp55        [V57,T18] (  3,  1.50)   byref  ->  rdx         "field V12._reference (fldOffset=0x0)" P-INDEP
-;  V58 tmp56        [V58,T19] (  3,  1.50)     int  ->  rcx         "field V12._length (fldOffset=0x8)" P-INDEP
-;* V59 tmp57        [V59    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V14._reference (fldOffset=0x0)" P-INDEP
-;* V60 tmp58        [V60    ] (  0,  0   )     int  ->  zero-ref    "field V14._length (fldOffset=0x8)" P-INDEP
-;* V61 tmp59        [V61    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V15._reference (fldOffset=0x0)" P-INDEP
-;* V62 tmp60        [V62    ] (  0,  0   )     int  ->  zero-ref    "field V15._length (fldOffset=0x8)" P-INDEP
-;  V63 tmp61        [V63,T07] (  6,  3   )   byref  ->  rdi         "field V18._reference (fldOffset=0x0)" P-INDEP
-;  V64 tmp62        [V64,T20] (  3,  1.50)     int  ->  rsi         "field V18._length (fldOffset=0x8)" P-INDEP
-;* V65 tmp63        [V65    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V19._reference (fldOffset=0x0)" P-INDEP
-;* V66 tmp64        [V66    ] (  0,  0   )     int  ->  zero-ref    "field V19._length (fldOffset=0x8)" P-INDEP
-;  V67 tmp65        [V67,T05] (  4,  3.50)   byref  ->  [rbp-0x20]  do-not-enreg[] "field V20._reference (fldOffset=0x0)" P-DEP
-;  V68 tmp66        [V68,T06] (  4,  3.50)     int  ->  [rbp-0x18]  do-not-enreg[] "field V20._length (fldOffset=0x8)" P-DEP
-;* V69 tmp67        [V69    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V23._reference (fldOffset=0x0)" P-INDEP
-;* V70 tmp68        [V70    ] (  0,  0   )     int  ->  zero-ref    "field V23._length (fldOffset=0x8)" P-INDEP
-;  V71 tmp69        [V71,T22] (  2,  1   )   byref  ->  rdi         single-def "field V27._reference (fldOffset=0x0)" P-INDEP
-;* V72 tmp70        [V72    ] (  0,  0   )     int  ->  zero-ref    "field V27._length (fldOffset=0x8)" P-INDEP
-;  V73 tmp71        [V73,T08] (  6,  3   )   byref  ->  rax         "field V29._reference (fldOffset=0x0)" P-INDEP
-;  V74 tmp72        [V74,T02] ( 11,  5.50)     int  ->  rdx         "field V29._length (fldOffset=0x8)" P-INDEP
-;  V75 tmp73        [V75    ] (  5,  3.50)   byref  ->  [rbp-0x30]  do-not-enreg[X] addr-exposed "field V30._reference (fldOffset=0x0)" P-DEP
-;  V76 tmp74        [V76    ] (  5,  3.50)     int  ->  [rbp-0x28]  do-not-enreg[X] addr-exposed "field V30._length (fldOffset=0x8)" P-DEP
-;  V77 tmp75        [V77,T23] (  2,  1   )   byref  ->  rax         single-def "field V33._reference (fldOffset=0x0)" P-INDEP
-;  V78 tmp76        [V78,T26] (  2,  1   )     int  ->  rcx         "field V33._length (fldOffset=0x8)" P-INDEP
-;  V79 tmp77        [V79,T24] (  2,  1   )   byref  ->  rax         single-def "field V37._reference (fldOffset=0x0)" P-INDEP
-;* V80 tmp78        [V80    ] (  0,  0   )     int  ->  zero-ref    "field V37._length (fldOffset=0x8)" P-INDEP
-;* V81 tmp79        [V81    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V41._reference (fldOffset=0x0)" P-INDEP
-;* V82 tmp80        [V82    ] (  0,  0   )     int  ->  zero-ref    "field V41._length (fldOffset=0x8)" P-INDEP
+;* V43 tmp41        [V43    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
+;  V44 tmp42        [V44,T13] (  5,  2.50)   ubyte  ->  rax         "Inline return value spill temp"
+;* V45 tmp43        [V45    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
+;* V46 tmp44        [V46    ] (  0,  0   )   byref  ->  zero-ref    single-def "Inlining Arg"
+;  V47 tmp45        [V47,T11] (  5,  2.50)   byref  ->  rdi         "field V04._reference (fldOffset=0x0)" P-INDEP
+;  V48 tmp46        [V48,T14] (  5,  2.50)     int  ->  rax         "field V04._length (fldOffset=0x8)" P-INDEP
+;* V49 tmp47        [V49    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V05._reference (fldOffset=0x0)" P-INDEP
+;* V50 tmp48        [V50    ] (  0,  0   )     int  ->  zero-ref    "field V05._length (fldOffset=0x8)" P-INDEP
+;* V51 tmp49        [V51    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V08._reference (fldOffset=0x0)" P-INDEP
+;* V52 tmp50        [V52    ] (  0,  0   )     int  ->  zero-ref    "field V08._length (fldOffset=0x8)" P-INDEP
+;* V53 tmp51        [V53    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V09._reference (fldOffset=0x0)" P-INDEP
+;* V54 tmp52        [V54    ] (  0,  0   )     int  ->  zero-ref    "field V09._length (fldOffset=0x8)" P-INDEP
+;  V55 tmp53        [V55,T12] (  5,  2.50)   byref  ->  rsi         "field V12._reference (fldOffset=0x0)" P-INDEP
+;  V56 tmp54        [V56,T15] (  5,  2.50)     int  ->  rdx         "field V12._length (fldOffset=0x8)" P-INDEP
+;* V57 tmp55        [V57    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V14._reference (fldOffset=0x0)" P-INDEP
+;* V58 tmp56        [V58    ] (  0,  0   )     int  ->  zero-ref    "field V14._length (fldOffset=0x8)" P-INDEP
+;* V59 tmp57        [V59    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V15._reference (fldOffset=0x0)" P-INDEP
+;* V60 tmp58        [V60    ] (  0,  0   )     int  ->  zero-ref    "field V15._length (fldOffset=0x8)" P-INDEP
+;  V61 tmp59        [V61,T09] (  6,  3   )   byref  ->  rdi         "field V18._reference (fldOffset=0x0)" P-INDEP
+;  V62 tmp60        [V62,T20] (  3,  1.50)     int  ->  rcx         "field V18._length (fldOffset=0x8)" P-INDEP
+;* V63 tmp61        [V63    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V19._reference (fldOffset=0x0)" P-INDEP
+;* V64 tmp62        [V64    ] (  0,  0   )     int  ->  zero-ref    "field V19._length (fldOffset=0x8)" P-INDEP
+;  V65 tmp63        [V65,T05] (  4,  3.50)   byref  ->  [rbp-0x20]  do-not-enreg[] "field V20._reference (fldOffset=0x0)" P-DEP
+;  V66 tmp64        [V66,T07] (  4,  3.50)     int  ->  [rbp-0x18]  do-not-enreg[] "field V20._length (fldOffset=0x8)" P-DEP
+;  V67 tmp65        [V67,T21] (  2,  1   )   byref  ->  rdi         single-def "field V22._reference (fldOffset=0x0)" P-INDEP
+;  V68 tmp66        [V68,T24] (  2,  1   )     int  ->  rcx         "field V22._length (fldOffset=0x8)" P-INDEP
+;* V69 tmp67        [V69    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V25._reference (fldOffset=0x0)" P-INDEP
+;* V70 tmp68        [V70    ] (  0,  0   )     int  ->  zero-ref    "field V25._length (fldOffset=0x8)" P-INDEP
+;  V71 tmp69        [V71,T10] (  6,  3   )   byref  ->  rsi         "field V28._reference (fldOffset=0x0)" P-INDEP
+;  V72 tmp70        [V72,T02] ( 11,  5.50)     int  ->  rdx         "field V28._length (fldOffset=0x8)" P-INDEP
+;  V73 tmp71        [V73,T06] (  4,  3.50)   byref  ->  [rbp-0x30]  do-not-enreg[] "field V29._reference (fldOffset=0x0)" P-DEP
+;  V74 tmp72        [V74,T08] (  4,  3.50)     int  ->  [rbp-0x28]  do-not-enreg[] "field V29._length (fldOffset=0x8)" P-DEP
+;  V75 tmp73        [V75,T22] (  2,  1   )   byref  ->  rsi         single-def "field V31._reference (fldOffset=0x0)" P-INDEP
+;  V76 tmp74        [V76,T25] (  2,  1   )     int  ->  rdx         "field V31._length (fldOffset=0x8)" P-INDEP
+;* V77 tmp75        [V77    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V34._reference (fldOffset=0x0)" P-INDEP
+;* V78 tmp76        [V78    ] (  0,  0   )     int  ->  zero-ref    "field V34._length (fldOffset=0x8)" P-INDEP
+;* V79 tmp77        [V79    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V39._reference (fldOffset=0x0)" P-INDEP
+;* V80 tmp78        [V80    ] (  0,  0   )     int  ->  zero-ref    "field V39._length (fldOffset=0x8)" P-INDEP
+;* V81 tmp79        [V81    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V40._reference (fldOffset=0x0)" P-INDEP
+;* V82 tmp80        [V82    ] (  0,  0   )     int  ->  zero-ref    "field V40._length (fldOffset=0x8)" P-INDEP
 ;* V83 tmp81        [V83    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V42._reference (fldOffset=0x0)" P-INDEP
 ;* V84 tmp82        [V84    ] (  0,  0   )     int  ->  zero-ref    "field V42._length (fldOffset=0x8)" P-INDEP
-;* V85 tmp83        [V85    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V44._reference (fldOffset=0x0)" P-INDEP
-;* V86 tmp84        [V86    ] (  0,  0   )     int  ->  zero-ref    "field V44._length (fldOffset=0x8)" P-INDEP
-;* V87 tmp85        [V87    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V45._reference (fldOffset=0x0)" P-INDEP
-;* V88 tmp86        [V88    ] (  0,  0   )     int  ->  zero-ref    "field V45._length (fldOffset=0x8)" P-INDEP
-;  V89 cse0         [V89,T21] (  3,  1.50)     int  ->  rax         "CSE #01: moderate"
+;* V85 tmp83        [V85    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V43._reference (fldOffset=0x0)" P-INDEP
+;* V86 tmp84        [V86    ] (  0,  0   )     int  ->  zero-ref    "field V43._length (fldOffset=0x8)" P-INDEP
 ;
 ; Lcl frame size = 32
 
 G_M25741_IG01:
        push     rbp
        push     r15
        push     rbx
        sub      rsp, 32
        lea      rbp, [rsp+0x30]
        vxorps   xmm8, xmm8, xmm8
        vmovdqu  ymmword ptr [rbp-0x30], ymm8
        mov      rbx, rdi
        mov      r15, rsi
 						;; size=29 bbWeight=1 PerfScore 6.58
 G_M25741_IG02:
        mov      rdi, gword ptr [rbx+0x20]
        mov      rsi, gword ptr [r15+0x20]
        mov      edx, 5
        mov      rax, 0xD1FFAB1E      ; code for System.String:Equals(System.String,System.String,int):bool
        call     [rax]System.String:Equals(System.String,System.String,int):bool
        test     eax, eax
-       je       G_M25741_IG18
+       je       G_M25741_IG17
 						;; size=33 bbWeight=1 PerfScore 8.75
 G_M25741_IG03:
        mov      rax, gword ptr [rbx+0x18]
        test     rax, rax
        je       SHORT G_M25741_IG04
        lea      rdi, bword ptr [rax+0x0C]
        mov      eax, dword ptr [rax+0x08]
        jmp      SHORT G_M25741_IG05
 						;; size=18 bbWeight=0.50 PerfScore 3.88
 G_M25741_IG04:
        xor      rdi, rdi
        xor      eax, eax
 						;; size=4 bbWeight=0.50 PerfScore 0.25
 G_M25741_IG05:
        mov      rcx, gword ptr [r15+0x18]
        test     rcx, rcx
        je       SHORT G_M25741_IG06
-       lea      rdx, bword ptr [rcx+0x0C]
-       mov      ecx, dword ptr [rcx+0x08]
+       lea      rsi, bword ptr [rcx+0x0C]
+       mov      edx, dword ptr [rcx+0x08]
        jmp      SHORT G_M25741_IG07
 						;; size=18 bbWeight=0.50 PerfScore 3.88
 G_M25741_IG06:
-       xor      rdx, rdx
-       xor      ecx, ecx
+       xor      rsi, rsi
+       xor      edx, edx
 						;; size=4 bbWeight=0.50 PerfScore 0.25
 G_M25741_IG07:
        mov      bword ptr [rbp-0x20], rdi
        mov      dword ptr [rbp-0x18], eax
        test     eax, eax
        je       SHORT G_M25741_IG08
        cmp      word  ptr [rdi], 46
        jne      SHORT G_M25741_IG08
-       mov      esi, dword ptr [rbp-0x18]
-       dec      esi
-       mov      edi, esi
-       inc      rdi
-       mov      eax, dword ptr [rbp-0x18]
-       cmp      rdi, rax
-       ja       G_M25741_IG20
+       cmp      dword ptr [rbp-0x18], 0
+       je       G_M25741_IG19
        mov      rdi, bword ptr [rbp-0x20]
        add      rdi, 2
+       mov      ecx, dword ptr [rbp-0x18]
+       dec      ecx
        jmp      SHORT G_M25741_IG09
-						;; size=49 bbWeight=0.50 PerfScore 7.25
+						;; size=42 bbWeight=0.50 PerfScore 7.38
 G_M25741_IG08:
-       mov      esi, eax
+       mov      ecx, eax
 						;; size=2 bbWeight=0.50 PerfScore 0.12
 G_M25741_IG09:
-       mov      bword ptr [rbp-0x30], rdx
-       mov      dword ptr [rbp-0x28], ecx
-       mov      rax, bword ptr [rbp-0x30]
-       mov      ecx, dword ptr [rbp-0x28]
-       test     ecx, ecx
-       je       SHORT G_M25741_IG10
-       cmp      word  ptr [rax], 46
-       jne      SHORT G_M25741_IG10
-       mov      eax, dword ptr [rbp-0x28]
-       lea      edx, [rax-0x01]
-       mov      ecx, edx
-       inc      rcx
-       cmp      rcx, rax
-       ja       G_M25741_IG20
-       mov      rax, bword ptr [rbp-0x30]
-       add      rax, 2
-       jmp      SHORT G_M25741_IG11
-						;; size=54 bbWeight=0.50 PerfScore 7.88
-G_M25741_IG10:
-       mov      rax, bword ptr [rbp-0x30]
-       mov      edx, dword ptr [rbp-0x28]
-						;; size=7 bbWeight=0.50 PerfScore 1.00
-G_M25741_IG11:
-       cmp      esi, edx
-       jne      G_M25741_IG18
+       mov      bword ptr [rbp-0x30], rsi
+       mov      dword ptr [rbp-0x28], edx
        test     edx, edx
-       je       SHORT G_M25741_IG16
+       je       SHORT G_M25741_IG10
+       cmp      word  ptr [rsi], 46
+       jne      SHORT G_M25741_IG10
+       cmp      dword ptr [rbp-0x28], 0
+       je       G_M25741_IG19
+       mov      rsi, bword ptr [rbp-0x30]
+       add      rsi, 2
+       mov      edx, dword ptr [rbp-0x28]
+       dec      edx
+						;; size=40 bbWeight=0.50 PerfScore 6.38
+G_M25741_IG10:
+       cmp      ecx, edx
+       jne      SHORT G_M25741_IG17
+       test     edx, edx
+       je       SHORT G_M25741_IG15
        cmp      edx, 8
-       jl       SHORT G_M25741_IG14
+       jl       SHORT G_M25741_IG13
        cmp      edx, 32
-       jge      SHORT G_M25741_IG13
-       cmp      edx, 16
        jge      SHORT G_M25741_IG12
-       mov      rsi, rax
+       cmp      edx, 16
+       jge      SHORT G_M25741_IG11
        mov      rax, 0xD1FFAB1E      ; code for System.Globalization.Ordinal:EqualsIgnoreCase_Vector[System.Runtime.Intrinsics.Vector128`1[ushort]](byref,byref,int):bool
        call     [rax]System.Globalization.Ordinal:EqualsIgnoreCase_Vector[System.Runtime.Intrinsics.Vector128`1[ushort]](byref,byref,int):bool
-       jmp      SHORT G_M25741_IG15
-						;; size=44 bbWeight=0.50 PerfScore 5.88
-G_M25741_IG12:
-       mov      rsi, rax
+       jmp      SHORT G_M25741_IG14
+						;; size=37 bbWeight=0.50 PerfScore 5.75
+G_M25741_IG11:
        mov      rax, 0xD1FFAB1E      ; code for System.Globalization.Ordinal:EqualsIgnoreCase_Vector[System.Runtime.Intrinsics.Vector256`1[ushort]](byref,byref,int):bool
        call     [rax]System.Globalization.Ordinal:EqualsIgnoreCase_Vector[System.Runtime.Intrinsics.Vector256`1[ushort]](byref,byref,int):bool
-       jmp      SHORT G_M25741_IG15
-						;; size=17 bbWeight=0.50 PerfScore 2.75
-G_M25741_IG13:
-       mov      rsi, rax
+       jmp      SHORT G_M25741_IG14
+						;; size=14 bbWeight=0.50 PerfScore 2.62
+G_M25741_IG12:
        mov      rax, 0xD1FFAB1E      ; code for System.Globalization.Ordinal:EqualsIgnoreCase_Vector[System.Runtime.Intrinsics.Vector512`1[ushort]](byref,byref,int):bool
        call     [rax]System.Globalization.Ordinal:EqualsIgnoreCase_Vector[System.Runtime.Intrinsics.Vector512`1[ushort]](byref,byref,int):bool
-       jmp      SHORT G_M25741_IG15
-						;; size=17 bbWeight=0.50 PerfScore 2.75
-G_M25741_IG14:
-       mov      rsi, rax
+       jmp      SHORT G_M25741_IG14
+						;; size=14 bbWeight=0.50 PerfScore 2.62
+G_M25741_IG13:
        mov      rax, 0xD1FFAB1E      ; code for System.Globalization.Ordinal:EqualsIgnoreCase_Scalar(byref,byref,int):bool
        call     [rax]System.Globalization.Ordinal:EqualsIgnoreCase_Scalar(byref,byref,int):bool
-						;; size=15 bbWeight=0.50 PerfScore 1.75
-G_M25741_IG15:
+						;; size=12 bbWeight=0.50 PerfScore 1.62
+G_M25741_IG14:
        test     eax, eax
-       je       SHORT G_M25741_IG18
+       je       SHORT G_M25741_IG17
 						;; size=4 bbWeight=0.50 PerfScore 0.62
-G_M25741_IG16:
+G_M25741_IG15:
        mov      rdi, gword ptr [rbx+0x28]
        mov      rsi, gword ptr [r15+0x28]
        mov      edx, 4
        mov      rax, 0xD1FFAB1E      ; code for System.String:Equals(System.String,System.String,int):bool
-       call     [rax]System.String:Equals(System.String,System.String,int):bool
-       nop      
-						;; size=26 bbWeight=0.50 PerfScore 3.88
-G_M25741_IG17:
+						;; size=23 bbWeight=0.50 PerfScore 2.25
+G_M25741_IG16:
        add      rsp, 32
        pop      rbx
        pop      r15
        pop      rbp
-       ret      
-						;; size=9 bbWeight=0.50 PerfScore 1.38
-G_M25741_IG18:
+       tail.jmp [rax]System.String:Equals(System.String,System.String,int):bool
+						;; size=11 bbWeight=0.50 PerfScore 2.88
+G_M25741_IG17:
        xor      eax, eax
 						;; size=2 bbWeight=0.50 PerfScore 0.12
-G_M25741_IG19:
+G_M25741_IG18:
        add      rsp, 32
        pop      rbx
        pop      r15
        pop      rbp
        ret      
 						;; size=9 bbWeight=0.50 PerfScore 1.38
-G_M25741_IG20:
-       mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentOutOfRangeException()
-       call     [rax]System.ThrowHelper:ThrowArgumentOutOfRangeException()
+G_M25741_IG19:
+       call     CORINFO_HELP_THROW_ARGUMENTOUTOFRANGEEXCEPTION
        int3     
-						;; size=13 bbWeight=0 PerfScore 0.00
+						;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 374, prolog size 23, PerfScore 60.33, instruction count 115, allocated bytes for code 374 (MethodHash=9e2d9b72) for method System.Net.CookieComparer:Equals(System.Net.Cookie,System.Net.Cookie):bool (FullOpts)
+; Total bytes of code 322, prolog size 23, PerfScore 57.33, instruction count 99, allocated bytes for code 322 (MethodHash=9e2d9b72) for method System.Net.CookieComparer:Equals(System.Net.Cookie,System.Net.Cookie):bool (FullOpts)
 ; ============================================================

-41 (-12.62 % of base) - System.MemoryExtensions:TrimUtf8(System.ReadOnlySpan`1[byte]):System.ReadOnlySpan`1[byte]

 ; Assembly listing for method System.MemoryExtensions:TrimUtf8(System.ReadOnlySpan`1[byte]):System.ReadOnlySpan`1[byte] (FullOpts)
 ; Emitting BLENDED_CODE for generic X64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
-; 0 inlinees with PGO data; 2 single block inlinees; 2 inlinees without PGO data
+; 0 inlinees with PGO data; 1 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 arg0         [V00    ] ( 22, 13.50)  struct (16) [rbp-0x18]  do-not-enreg[XSFAR] multireg-arg multireg-ret addr-exposed ld-addr-op single-def <System.ReadOnlySpan`1[byte]>
+;  V00 arg0         [V00    ] ( 16, 10.50)  struct (16) [rbp-0x18]  do-not-enreg[SFAR] multireg-arg multireg-ret ld-addr-op single-def <System.ReadOnlySpan`1[byte]>
 ;  V01 loc0         [V01    ] (  2,  1   )  struct ( 8) [rbp-0x20]  do-not-enreg[XS] addr-exposed ld-addr-op <System.Text.Rune>
 ;  V02 loc1         [V02    ] (  2,  1   )     int  ->  [rbp-0x28]  do-not-enreg[X] addr-exposed ld-addr-op
 ;  V03 loc2         [V03    ] (  2,  1   )  struct ( 8) [rbp-0x30]  do-not-enreg[XS] addr-exposed ld-addr-op <System.Text.Rune>
 ;  V04 loc3         [V04    ] (  2,  1   )     int  ->  [rbp-0x38]  do-not-enreg[X] addr-exposed ld-addr-op
 ;* V05 loc4         [V05    ] (  0,  0   )   byref  ->  zero-ref   
-;  V06 loc5         [V06,T00] (  6,  3   )     int  ->  rbx        
-;* V07 loc6         [V07,T09] (  0,  0   )   byref  ->  zero-ref    single-def
+;  V06 loc5         [V06,T02] (  6,  3   )     int  ->  rbx        
+;* V07 loc6         [V07    ] (  0,  0   )   byref  ->  zero-ref   
 ;# V08 OutArgs      [V08    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
-;  V09 tmp1         [V09,T01] (  3,  3   )     int  ->  rsi         "Inlining Arg"
-;* V10 tmp2         [V10    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
-;* V11 tmp3         [V11    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
-;  V12 tmp4         [V12,T02] (  3,  3   )     int  ->  rsi         "Inlining Arg"
-;* V13 tmp5         [V13    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
-;* V14 tmp6         [V14    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
-;  V15 tmp7         [V15    ] ( 18, 10.50)   byref  ->  [rbp-0x18]  do-not-enreg[X] addr-exposed "field V00._reference (fldOffset=0x0)" P-DEP
-;  V16 tmp8         [V16    ] ( 19, 11.50)     int  ->  [rbp-0x10]  do-not-enreg[X] addr-exposed "field V00._length (fldOffset=0x8)" P-DEP
-;  V17 tmp9         [V17    ] (  2,  1   )     int  ->  [rbp-0x20]  do-not-enreg[X] addr-exposed "field V01._value (fldOffset=0x0)" P-DEP
-;  V18 tmp10        [V18    ] (  2,  1   )     int  ->  [rbp-0x30]  do-not-enreg[X] addr-exposed "field V03._value (fldOffset=0x0)" P-DEP
-;  V19 tmp11        [V19,T05] (  2,  1   )   byref  ->  rdi         single-def "field V10._reference (fldOffset=0x0)" P-INDEP
-;* V20 tmp12        [V20    ] (  0,  0   )     int  ->  zero-ref    "field V10._length (fldOffset=0x8)" P-INDEP
-;  V21 tmp13        [V21,T06] (  2,  1   )   byref  ->  rdi         single-def "field V13._reference (fldOffset=0x0)" P-INDEP
-;* V22 tmp14        [V22    ] (  0,  0   )     int  ->  zero-ref    "field V13._length (fldOffset=0x8)" P-INDEP
-;  V23 tmp15        [V23,T07] (  2,  1   )  struct (16) [rbp-0x48]  do-not-enreg[SRM] multireg-ret multireg-dest must-init "Return value temp for multi-reg return (rejected tail call)." <System.ReadOnlySpan`1[byte]>
-;  V24 tmp16        [V24,T08] (  2,  1   )  struct (16) [rbp-0x58]  do-not-enreg[SRM] multireg-ret multireg-dest must-init "Return value temp for multi-reg return (rejected tail call)." <System.ReadOnlySpan`1[byte]>
-;  V25 cse0         [V25,T03] (  3,  1.50)     int  ->  rdi         "CSE #01: moderate"
-;  V26 cse1         [V26,T04] (  3,  1.50)     int  ->  rdi         "CSE #04: moderate"
+;* V09 tmp1         [V09    ] (  0,  0   )  struct (16) zero-ref    multireg-arg "(ReadOnly)Span<T> for Slice" <System.ReadOnlySpan`1[byte]>
+;* V10 tmp2         [V10    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
+;  V11 tmp3         [V11,T03] (  3,  3   )     int  ->  rsi         "Inlining Arg"
+;* V12 tmp4         [V12    ] (  0,  0   )  struct (16) zero-ref    multireg-arg ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
+;* V13 tmp5         [V13    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
+;  V14 tmp6         [V14,T01] ( 14,  8.50)   byref  ->  [rbp-0x18]  do-not-enreg[] single-def "field V00._reference (fldOffset=0x0)" P-DEP
+;  V15 tmp7         [V15,T00] ( 15,  9.50)     int  ->  [rbp-0x10]  do-not-enreg[] single-def "field V00._length (fldOffset=0x8)" P-DEP
+;  V16 tmp8         [V16    ] (  2,  1   )     int  ->  [rbp-0x20]  do-not-enreg[X] addr-exposed "field V01._value (fldOffset=0x0)" P-DEP
+;  V17 tmp9         [V17    ] (  2,  1   )     int  ->  [rbp-0x30]  do-not-enreg[X] addr-exposed "field V03._value (fldOffset=0x0)" P-DEP
+;  V18 tmp10        [V18,T04] (  2,  1   )   byref  ->  rdi         single-def "field V09._reference (fldOffset=0x0)" P-INDEP
+;  V19 tmp11        [V19,T06] (  2,  1   )     int  ->  rsi         "field V09._length (fldOffset=0x8)" P-INDEP
+;  V20 tmp12        [V20,T05] (  2,  1   )   byref  ->  rdi         single-def "field V12._reference (fldOffset=0x0)" P-INDEP
+;* V21 tmp13        [V21    ] (  0,  0   )     int  ->  zero-ref    "field V12._length (fldOffset=0x8)" P-INDEP
+;  V22 tmp14        [V22,T07] (  2,  1   )  struct (16) [rbp-0x48]  do-not-enreg[SRM] multireg-ret multireg-dest must-init "Return value temp for multi-reg return (rejected tail call)." <System.ReadOnlySpan`1[byte]>
+;  V23 tmp15        [V23,T08] (  2,  1   )  struct (16) [rbp-0x58]  do-not-enreg[SRM] multireg-ret multireg-dest must-init "Return value temp for multi-reg return (rejected tail call)." <System.ReadOnlySpan`1[byte]>
 ;
 ; Lcl frame size = 88
 
 G_M6694_IG01:
        push     rbp
        push     rbx
        sub      rsp, 88
        lea      rbp, [rsp+0x60]
        xor      eax, eax
        mov      qword ptr [rbp-0x58], rax
        vxorps   xmm8, xmm8, xmm8
        vmovdqa  xmmword ptr [rbp-0x50], xmm8
        mov      qword ptr [rbp-0x40], rax
        mov      bword ptr [rbp-0x18], rdi
        mov      qword ptr [rbp-0x10], rsi
 						;; size=39 bbWeight=1 PerfScore 9.33
 G_M6694_IG02:
        cmp      dword ptr [rbp-0x10], 0
        je       G_M6694_IG07
 						;; size=10 bbWeight=1 PerfScore 3.00
 G_M6694_IG03:
        mov      rdi, bword ptr [rbp-0x18]
        mov      rsi, qword ptr [rbp-0x10]
        lea      rdx, [rbp-0x20]
        lea      rcx, [rbp-0x28]
        mov      rax, 0xD1FFAB1E      ; code for System.Text.Rune:DecodeFromUtf8(System.ReadOnlySpan`1[byte],byref,byref):int
        call     [rax]System.Text.Rune:DecodeFromUtf8(System.ReadOnlySpan`1[byte],byref,byref):int
        mov      edi, dword ptr [rbp-0x20]
        mov      rax, 0xD1FFAB1E      ; code for System.Text.Rune:IsWhiteSpace(System.Text.Rune):bool
        call     [rax]System.Text.Rune:IsWhiteSpace(System.Text.Rune):bool
        test     eax, eax
        jne      SHORT G_M6694_IG05
        mov      rdi, bword ptr [rbp-0x18]
        mov      rsi, qword ptr [rbp-0x10]
        lea      rdx, [rbp-0x30]
        lea      rcx, [rbp-0x38]
        mov      rax, 0xD1FFAB1E      ; code for System.Text.Rune:DecodeLastFromUtf8(System.ReadOnlySpan`1[byte],byref,byref):int
        call     [rax]System.Text.Rune:DecodeLastFromUtf8(System.ReadOnlySpan`1[byte],byref,byref):int
        mov      edi, dword ptr [rbp-0x30]
        mov      rax, 0xD1FFAB1E      ; code for System.Text.Rune:IsWhiteSpace(System.Text.Rune):bool
        call     [rax]System.Text.Rune:IsWhiteSpace(System.Text.Rune):bool
        test     eax, eax
-       je       G_M6694_IG07
+       je       SHORT G_M6694_IG07
        mov      ebx, dword ptr [rbp-0x38]
-       mov      edi, dword ptr [rbp-0x10]
-       mov      esi, edi
+       mov      esi, dword ptr [rbp-0x10]
        sub      esi, ebx
-       cmp      esi, edi
-       ja       G_M6694_IG09
+       cmp      esi, dword ptr [rbp-0x10]
+       ja       SHORT G_M6694_IG10
        mov      rdi, bword ptr [rbp-0x18]
-       mov      bword ptr [rbp-0x18], rdi
-       mov      dword ptr [rbp-0x10], esi
-       mov      rdi, bword ptr [rbp-0x18]
-       mov      rsi, qword ptr [rbp-0x10]
        mov      rax, 0xD1FFAB1E      ; code for System.MemoryExtensions:<TrimUtf8>g__TrimFallback|287_0(System.ReadOnlySpan`1[byte]):System.ReadOnlySpan`1[byte]
        call     [rax]System.MemoryExtensions:<TrimUtf8>g__TrimFallback|287_0(System.ReadOnlySpan`1[byte]):System.ReadOnlySpan`1[byte]
-       mov      bword ptr [rbp-0x58], rax
-       mov      qword ptr [rbp-0x50], rdx
-       mov      rax, bword ptr [rbp-0x58]
-       mov      rdx, qword ptr [rbp-0x50]
-						;; size=163 bbWeight=0.50 PerfScore 19.75
+       mov      bword ptr [rbp-0x48], rax
+       mov      qword ptr [rbp-0x40], rdx
+       mov      rax, bword ptr [rbp-0x48]
+       mov      rdx, qword ptr [rbp-0x40]
+						;; size=139 bbWeight=0.50 PerfScore 18.50
 G_M6694_IG04:
        add      rsp, 88
        pop      rbx
        pop      rbp
        ret      
 						;; size=7 bbWeight=0.50 PerfScore 1.12
 G_M6694_IG05:
        mov      ebx, dword ptr [rbp-0x28]
-       mov      edi, dword ptr [rbp-0x10]
-       mov      esi, edi
-       sub      esi, ebx
-       mov      eax, ebx
-       mov      ecx, esi
-       add      rax, rcx
-       cmp      rax, rdi
+       cmp      ebx, dword ptr [rbp-0x10]
        ja       SHORT G_M6694_IG09
-       mov      edi, ebx
+       movsxd   rdi, ebx
        add      rdi, bword ptr [rbp-0x18]
-       mov      bword ptr [rbp-0x18], rdi
-       mov      dword ptr [rbp-0x10], esi
-       mov      rdi, bword ptr [rbp-0x18]
-       mov      rsi, qword ptr [rbp-0x10]
+       mov      esi, dword ptr [rbp-0x10]
+       sub      esi, ebx
        mov      rax, 0xD1FFAB1E      ; code for System.MemoryExtensions:<TrimUtf8>g__TrimFallback|287_0(System.ReadOnlySpan`1[byte]):System.ReadOnlySpan`1[byte]
        call     [rax]System.MemoryExtensions:<TrimUtf8>g__TrimFallback|287_0(System.ReadOnlySpan`1[byte]):System.ReadOnlySpan`1[byte]
-       mov      bword ptr [rbp-0x48], rax
-       mov      qword ptr [rbp-0x40], rdx
-       mov      rax, bword ptr [rbp-0x48]
-       mov      rdx, qword ptr [rbp-0x40]
-						;; size=71 bbWeight=0.50 PerfScore 9.00
+       mov      bword ptr [rbp-0x58], rax
+       mov      qword ptr [rbp-0x50], rdx
+       mov      rax, bword ptr [rbp-0x58]
+       mov      rdx, qword ptr [rbp-0x50]
+						;; size=48 bbWeight=0.50 PerfScore 7.38
 G_M6694_IG06:
        add      rsp, 88
        pop      rbx
        pop      rbp
        ret      
 						;; size=7 bbWeight=0.50 PerfScore 1.12
 G_M6694_IG07:
        mov      rax, bword ptr [rbp-0x18]
        mov      rdx, qword ptr [rbp-0x10]
 						;; size=8 bbWeight=0.50 PerfScore 1.00
 G_M6694_IG08:
        add      rsp, 88
        pop      rbx
        pop      rbp
        ret      
 						;; size=7 bbWeight=0.50 PerfScore 1.12
 G_M6694_IG09:
+       call     CORINFO_HELP_THROW_ARGUMENTOUTOFRANGEEXCEPTION
+       int3     
+						;; size=6 bbWeight=0 PerfScore 0.00
+G_M6694_IG10:
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentOutOfRangeException()
        call     [rax]System.ThrowHelper:ThrowArgumentOutOfRangeException()
        int3     
 						;; size=13 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 325, prolog size 31, PerfScore 45.46, instruction count 90, allocated bytes for code 325 (MethodHash=90bbe5d9) for method System.MemoryExtensions:TrimUtf8(System.ReadOnlySpan`1[byte]):System.ReadOnlySpan`1[byte] (FullOpts)
+; Total bytes of code 284, prolog size 31, PerfScore 42.58, instruction count 79, allocated bytes for code 284 (MethodHash=90bbe5d9) for method System.MemoryExtensions:TrimUtf8(System.ReadOnlySpan`1[byte]):System.ReadOnlySpan`1[byte] (FullOpts)
 ; ============================================================

Note: some changes were skipped as they were too large to fit into a comment.

Larger list of diffs: https://gist.github.com/MihuBot/d26e59a46fbe4ae2efe4e62fe77b7b85

[MihuBot]

@MihaZupan