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

[MihuBot]

Job completed in 18 minutes 1 second (remote runner delay: 42 seconds).
dotnet/runtime#122065

Diffs

Diffs

Found 90 files with textual diffs.

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 45957023
Total bytes of diff: 45948343
Total bytes of delta: -8680 (-0.02 % of base)
Total relative delta: -6.41
    diff is an improvement.
    relative diff is an improvement.


Top file improvements (bytes):
       -8182 : System.Numerics.Tensors.dasm (-0.70 % of base)
        -228 : System.Private.CoreLib.dasm (-0.00 % of base)
        -148 : System.Net.Primitives.dasm (-0.13 % of base)
         -91 : System.IO.Compression.dasm (-0.05 % of base)
         -13 : System.Net.WebSockets.dasm (-0.01 % of base)
          -8 : System.Net.WebSockets.Client.dasm (-0.03 % of base)
          -7 : System.Net.Http.dasm (-0.00 % of base)
          -3 : 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):
          26 (4.73 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipArchiveEntry:WriteLocalFileHeaderPrepare(System.Span`1[byte],uint,uint,ushort):this (FullOpts)
          17 (3.80 % of base) : System.IO.Compression.dasm - System.IO.Compression.Zip64EndOfCentralDirectoryRecord:WriteBlockCore(System.Span`1[byte],long,long,long) (FullOpts)
          17 (3.94 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipEndOfCentralDirectoryBlock:WriteBlockInitialize(System.Span`1[byte],long,long,long,byte[]) (FullOpts)
          14 (2.06 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipEndOfCentralDirectoryBlock:TryReadBlockInitialize(System.IO.Stream,System.Span`1[byte],int,byref,byref):bool (FullOpts)
          13 (4.00 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipArchiveEntry:PrepareToWriteDataDescriptor(System.Span`1[byte]):int:this (FullOpts)
           9 (1.65 % of base) : System.IO.Compression.dasm - System.IO.Compression.Zip64EndOfCentralDirectoryRecord:TryReadBlockCore(System.Span`1[byte],int,byref):bool (FullOpts)
           5 (2.43 % of base) : System.IO.Compression.dasm - System.IO.Compression.Zip64EndOfCentralDirectoryLocator:WriteBlockCore(System.Span`1[byte],long) (FullOpts)
           5 (4.50 % 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):
        -504 (-26.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[byte](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[byte] (FullOpts)
        -504 (-26.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[byte](byref,int):System.Numerics.Tensors.TensorSpan`1[byte] (FullOpts)
        -504 (-26.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[double](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[double] (FullOpts)
        -504 (-26.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[double](byref,int):System.Numerics.Tensors.TensorSpan`1[double] (FullOpts)
        -504 (-26.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[int](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[int] (FullOpts)
        -504 (-26.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[int](byref,int):System.Numerics.Tensors.TensorSpan`1[int] (FullOpts)
        -504 (-26.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[long](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[long] (FullOpts)
        -504 (-26.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[long](byref,int):System.Numerics.Tensors.TensorSpan`1[long] (FullOpts)
        -504 (-26.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[short](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[short] (FullOpts)
        -504 (-26.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[short](byref,int):System.Numerics.Tensors.TensorSpan`1[short] (FullOpts)
        -504 (-26.51 % 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)
        -504 (-26.51 % 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)
        -504 (-26.51 % 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)
        -504 (-26.51 % 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)
        -464 (-22.58 % 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)
         -86 (-5.41 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[System.__Canon](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.__Canon] (FullOpts)
         -86 (-5.41 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[System.__Canon](byref,int):System.Numerics.Tensors.TensorSpan`1[System.__Canon] (FullOpts)
         -50 (-13.37 % of base) : System.Net.Primitives.dasm - System.Net.CookieComparer:Equals(System.Net.Cookie,System.Net.Cookie):bool (FullOpts)
         -45 (-9.98 % of base) : System.Net.Primitives.dasm - System.Net.Cookie:Equals(System.Object):bool:this (FullOpts)
         -42 (-12.92 % of base) : System.Private.CoreLib.dasm - System.MemoryExtensions:TrimUtf8(System.ReadOnlySpan`1[byte]):System.ReadOnlySpan`1[byte] (FullOpts)
         -33 (-3.24 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipCentralDirectoryFileHeader:TryReadBlockInitialize(System.ReadOnlySpan`1[byte],byref,byref,byref,byref,byref,byref):bool (FullOpts)
         -24 (-7.62 % 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)
         -23 (-6.82 % of base) : System.Private.CoreLib.dasm - System.Int64:System.Numerics.IBinaryInteger<System.Int64>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -23 (-6.82 % of base) : System.Private.CoreLib.dasm - System.IntPtr:System.Numerics.IBinaryInteger<nint>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -20 (-15.38 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipLocalFileHeader:GetExtraFieldsCore(System.Span`1[byte],int,int,byref,byref) (FullOpts)
         -20 (-0.92 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[byte](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
         -20 (-0.92 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[double](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
         -20 (-0.92 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[int](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
         -20 (-0.92 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[long](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
         -20 (-0.92 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[short](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
         -20 (-0.92 % 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)
         -20 (-0.91 % 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)
         -20 (-9.01 % of base) : System.Private.CoreLib.dasm - System.SByte:System.Numerics.IBinaryInteger<System.SByte>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -17 (-1.95 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipArchiveEntry:WriteCentralDirectoryFileHeaderPrepare(System.Span`1[byte],uint,uint,ushort,uint):this (FullOpts)
         -17 (-3.01 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:AreCompatible(byref,byref,bool):bool (FullOpts)
         -16 (-10.00 % of base) : System.Private.CoreLib.dasm - System.Byte:System.Numerics.IBinaryInteger<System.Byte>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -16 (-8.79 % of base) : System.Private.CoreLib.dasm - System.Char:System.Numerics.IBinaryInteger<System.Char>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -16 (-3.03 % of base) : System.Private.CoreLib.dasm - System.Int128:System.Numerics.IBinaryInteger<System.Int128>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -16 (-5.95 % of base) : System.Private.CoreLib.dasm - System.Int16:System.Numerics.IBinaryInteger<System.Int16>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -16 (-4.94 % of base) : System.Private.CoreLib.dasm - System.Int32:System.Numerics.IBinaryInteger<System.Int32>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -16 (-8.42 % of base) : System.Net.Primitives.dasm - System.Net.Cookie:SetDomainAndKey(System.String):this (FullOpts)
         -16 (-17.20 % of base) : System.Net.Primitives.dasm - System.Net.CookieComparer:StripLeadingDot(System.ReadOnlySpan`1[char]):System.ReadOnlySpan`1[char] (FullOpts)
         -16 (-0.77 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[System.__Canon](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
         -16 (-5.42 % of base) : System.Private.CoreLib.dasm - System.UInt128:System.Numerics.IBinaryInteger<System.UInt128>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -16 (-8.79 % of base) : System.Private.CoreLib.dasm - System.UInt16:System.Numerics.IBinaryInteger<System.UInt16>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -15 (-5.47 % of base) : System.IO.Compression.dasm - System.IO.Compression.Zip64EndOfCentralDirectoryLocator:TryReadBlockCore(System.Span`1[byte],int,byref):bool (FullOpts)
         -15 (-1.44 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipCentralDirectoryFileHeader:TryReadBlock(System.ReadOnlySpan`1[byte],System.IO.Stream,bool,byref,byref):bool (FullOpts)
         -15 (-2.08 % of base) : System.Net.Primitives.dasm - System.Net.CookieContainer:InternalGetCookies(System.Uri):System.Net.CookieCollection:this (FullOpts)
         -15 (-2.32 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[byte]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[byte],int):this (FullOpts)
         -15 (-2.32 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[double]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[double],int):this (FullOpts)
         -15 (-2.32 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[int]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[int],int):this (FullOpts)
         -15 (-2.32 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[long]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[long],int):this (FullOpts)
         -15 (-2.32 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[short]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[short],int):this (FullOpts)
         -15 (-2.32 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[System.__Canon]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.__Canon],int):this (FullOpts)
         -15 (-2.32 % 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)
         -15 (-2.32 % 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)
         -15 (-2.32 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[byte]:.ctor(System.Numerics.Tensors.TensorSpan`1[byte],int):this (FullOpts)
         -15 (-2.32 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[double]:.ctor(System.Numerics.Tensors.TensorSpan`1[double],int):this (FullOpts)
         -15 (-2.32 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[int]:.ctor(System.Numerics.Tensors.TensorSpan`1[int],int):this (FullOpts)
         -15 (-2.32 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[long]:.ctor(System.Numerics.Tensors.TensorSpan`1[long],int):this (FullOpts)
         -15 (-2.32 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[short]:.ctor(System.Numerics.Tensors.TensorSpan`1[short],int):this (FullOpts)
         -15 (-2.32 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[System.__Canon]:.ctor(System.Numerics.Tensors.TensorSpan`1[System.__Canon],int):this (FullOpts)
         -15 (-2.32 % 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)
         -15 (-2.32 % 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)
         -13 (-8.55 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipArchiveEntry:WriteCrcAndSizesInLocalHeaderPrepareForWritingWhenZip64HeaderUsed(System.Span`1[byte]):this (FullOpts)
         -13 (-6.19 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipArchiveEntry:WriteCrcAndSizesInLocalHeaderPrepareForZip64PretendStreaming(System.Span`1[byte]):this (FullOpts)
         -13 (-4.59 % of base) : System.Net.WebSockets.dasm - System.Net.WebSockets.Compression.WebSocketInflater:Finish(System.Span`1[byte],byref):bool:this (FullOpts)
         -12 (-1.38 % 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 (-4.74 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipArchiveEntry:WriteCrcAndSizesInLocalHeaderPrepareFor32bitValuesWriting(bool,System.Span`1[byte],uint,uint):this (FullOpts)
         -11 (-4.91 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipLocalFileHeader:TrySkipBlockFinalize(System.IO.Stream,System.Span`1[byte],int):bool (FullOpts)
         -10 (-0.55 % 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)
         -10 (-0.55 % 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)
         -10 (-0.56 % 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)
         -10 (-0.55 % 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)
         -10 (-0.55 % 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)
         -10 (-0.55 % 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)
         -10 (-0.55 % 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)
          -9 (-0.33 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipLocalFileHeader+<GetExtraFieldsAsync>d__12:MoveNext():this (FullOpts)
          -8 (-0.84 % 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)
          -7 (-0.79 % of base) : System.Net.Http.dasm - System.Net.Http.HttpContent:ReadBufferAsString(System.Net.Http.HttpContent+LimitArrayPoolWriteStream,System.Net.Http.Headers.HttpContentHeaders):System.String (FullOpts)
          -7 (-2.78 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:AreCompatible(byref,byref):bool (FullOpts)
          -6 (-2.55 % of base) : System.Net.Primitives.dasm - System.Net.CookieComparer:EqualDomains(System.ReadOnlySpan`1[char],System.ReadOnlySpan`1[char]):bool (FullOpts)
          -5 (-1.31 % of base) : System.IO.Compression.dasm - System.IO.Compression.Zip64ExtraField:WriteBlockCore(System.Span`1[byte]):this (FullOpts)
          -3 (-0.72 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipGenericExtraField:TryReadBlock(System.ReadOnlySpan`1[byte],byref,byref):bool (FullOpts)
          -3 (-0.28 % 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 (-0.90 % of base) : System.Private.CoreLib.dasm - System.MemoryExtensions:<TrimUtf8>g__TrimFallback|287_0(System.ReadOnlySpan`1[byte]):System.ReadOnlySpan`1[byte] (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)

Top method regressions (percentages):
          26 (4.73 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipArchiveEntry:WriteLocalFileHeaderPrepare(System.Span`1[byte],uint,uint,ushort):this (FullOpts)
           5 (4.50 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipGenericExtraField:WriteBlockCore(System.Span`1[byte]):this (FullOpts)
          13 (4.00 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipArchiveEntry:PrepareToWriteDataDescriptor(System.Span`1[byte]):int:this (FullOpts)
          17 (3.94 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipEndOfCentralDirectoryBlock:WriteBlockInitialize(System.Span`1[byte],long,long,long,byte[]) (FullOpts)
          17 (3.80 % of base) : System.IO.Compression.dasm - System.IO.Compression.Zip64EndOfCentralDirectoryRecord:WriteBlockCore(System.Span`1[byte],long,long,long) (FullOpts)
           5 (2.43 % of base) : System.IO.Compression.dasm - System.IO.Compression.Zip64EndOfCentralDirectoryLocator:WriteBlockCore(System.Span`1[byte],long) (FullOpts)
          14 (2.06 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipEndOfCentralDirectoryBlock:TryReadBlockInitialize(System.IO.Stream,System.Span`1[byte],int,byref,byref):bool (FullOpts)
           9 (1.65 % of base) : System.IO.Compression.dasm - System.IO.Compression.Zip64EndOfCentralDirectoryRecord:TryReadBlockCore(System.Span`1[byte],int,byref):bool (FullOpts)
           4 (0.14 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipCentralDirectoryFileHeader+<TryReadBlockAsync>d__27:MoveNext():this (FullOpts)

Top method improvements (percentages):
        -504 (-26.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[byte](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[byte] (FullOpts)
        -504 (-26.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[byte](byref,int):System.Numerics.Tensors.TensorSpan`1[byte] (FullOpts)
        -504 (-26.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[double](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[double] (FullOpts)
        -504 (-26.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[double](byref,int):System.Numerics.Tensors.TensorSpan`1[double] (FullOpts)
        -504 (-26.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[int](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[int] (FullOpts)
        -504 (-26.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[int](byref,int):System.Numerics.Tensors.TensorSpan`1[int] (FullOpts)
        -504 (-26.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[long](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[long] (FullOpts)
        -504 (-26.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[long](byref,int):System.Numerics.Tensors.TensorSpan`1[long] (FullOpts)
        -504 (-26.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[short](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[short] (FullOpts)
        -504 (-26.51 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[short](byref,int):System.Numerics.Tensors.TensorSpan`1[short] (FullOpts)
        -504 (-26.51 % 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)
        -504 (-26.51 % 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)
        -504 (-26.51 % 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)
        -504 (-26.51 % 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)
        -464 (-22.58 % 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)
         -16 (-17.20 % of base) : System.Net.Primitives.dasm - System.Net.CookieComparer:StripLeadingDot(System.ReadOnlySpan`1[char]):System.ReadOnlySpan`1[char] (FullOpts)
         -20 (-15.38 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipLocalFileHeader:GetExtraFieldsCore(System.Span`1[byte],int,int,byref,byref) (FullOpts)
         -50 (-13.37 % of base) : System.Net.Primitives.dasm - System.Net.CookieComparer:Equals(System.Net.Cookie,System.Net.Cookie):bool (FullOpts)
         -42 (-12.92 % of base) : System.Private.CoreLib.dasm - System.MemoryExtensions:TrimUtf8(System.ReadOnlySpan`1[byte]):System.ReadOnlySpan`1[byte] (FullOpts)
         -16 (-10.00 % of base) : System.Private.CoreLib.dasm - System.Byte:System.Numerics.IBinaryInteger<System.Byte>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -45 (-9.98 % of base) : System.Net.Primitives.dasm - System.Net.Cookie:Equals(System.Object):bool:this (FullOpts)
         -20 (-9.01 % of base) : System.Private.CoreLib.dasm - System.SByte:System.Numerics.IBinaryInteger<System.SByte>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -16 (-8.79 % of base) : System.Private.CoreLib.dasm - System.Char:System.Numerics.IBinaryInteger<System.Char>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -16 (-8.79 % of base) : System.Private.CoreLib.dasm - System.UInt16:System.Numerics.IBinaryInteger<System.UInt16>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -13 (-8.55 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipArchiveEntry:WriteCrcAndSizesInLocalHeaderPrepareForWritingWhenZip64HeaderUsed(System.Span`1[byte]):this (FullOpts)
         -16 (-8.42 % of base) : System.Net.Primitives.dasm - System.Net.Cookie:SetDomainAndKey(System.String):this (FullOpts)
         -24 (-7.62 % 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)
         -23 (-6.82 % of base) : System.Private.CoreLib.dasm - System.Int64:System.Numerics.IBinaryInteger<System.Int64>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -23 (-6.82 % of base) : System.Private.CoreLib.dasm - System.IntPtr:System.Numerics.IBinaryInteger<nint>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -13 (-6.19 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipArchiveEntry:WriteCrcAndSizesInLocalHeaderPrepareForZip64PretendStreaming(System.Span`1[byte]):this (FullOpts)
         -16 (-5.95 % of base) : System.Private.CoreLib.dasm - System.Int16:System.Numerics.IBinaryInteger<System.Int16>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -15 (-5.47 % of base) : System.IO.Compression.dasm - System.IO.Compression.Zip64EndOfCentralDirectoryLocator:TryReadBlockCore(System.Span`1[byte],int,byref):bool (FullOpts)
         -16 (-5.42 % of base) : System.Private.CoreLib.dasm - System.UInt128:System.Numerics.IBinaryInteger<System.UInt128>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -86 (-5.41 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[System.__Canon](byref,int):System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.__Canon] (FullOpts)
         -86 (-5.41 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:SqueezeDimension[System.__Canon](byref,int):System.Numerics.Tensors.TensorSpan`1[System.__Canon] (FullOpts)
         -16 (-4.94 % of base) : System.Private.CoreLib.dasm - System.Int32:System.Numerics.IBinaryInteger<System.Int32>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -11 (-4.91 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipLocalFileHeader:TrySkipBlockFinalize(System.IO.Stream,System.Span`1[byte],int):bool (FullOpts)
         -11 (-4.74 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipArchiveEntry:WriteCrcAndSizesInLocalHeaderPrepareFor32bitValuesWriting(bool,System.Span`1[byte],uint,uint):this (FullOpts)
         -13 (-4.59 % of base) : System.Net.WebSockets.dasm - System.Net.WebSockets.Compression.WebSocketInflater:Finish(System.Span`1[byte],byref):bool:this (FullOpts)
         -33 (-3.24 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipCentralDirectoryFileHeader:TryReadBlockInitialize(System.ReadOnlySpan`1[byte],byref,byref,byref,byref,byref,byref):bool (FullOpts)
         -16 (-3.03 % of base) : System.Private.CoreLib.dasm - System.Int128:System.Numerics.IBinaryInteger<System.Int128>.TryReadLittleEndian(System.ReadOnlySpan`1[byte],bool,byref):bool (FullOpts)
         -17 (-3.01 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:AreCompatible(byref,byref,bool):bool (FullOpts)
          -7 (-2.78 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorShape:AreCompatible(byref,byref):bool (FullOpts)
          -6 (-2.55 % of base) : System.Net.Primitives.dasm - System.Net.CookieComparer:EqualDomains(System.ReadOnlySpan`1[char],System.ReadOnlySpan`1[char]):bool (FullOpts)
         -15 (-2.32 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[byte]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[byte],int):this (FullOpts)
         -15 (-2.32 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[double]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[double],int):this (FullOpts)
         -15 (-2.32 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[int]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[int],int):this (FullOpts)
         -15 (-2.32 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[long]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[long],int):this (FullOpts)
         -15 (-2.32 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[short]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[short],int):this (FullOpts)
         -15 (-2.32 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.ReadOnlyTensorDimensionSpan`1[System.__Canon]:.ctor(System.Numerics.Tensors.ReadOnlyTensorSpan`1[System.__Canon],int):this (FullOpts)
         -15 (-2.32 % 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)
         -15 (-2.32 % 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)
         -15 (-2.32 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[byte]:.ctor(System.Numerics.Tensors.TensorSpan`1[byte],int):this (FullOpts)
         -15 (-2.32 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[double]:.ctor(System.Numerics.Tensors.TensorSpan`1[double],int):this (FullOpts)
         -15 (-2.32 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[int]:.ctor(System.Numerics.Tensors.TensorSpan`1[int],int):this (FullOpts)
         -15 (-2.32 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[long]:.ctor(System.Numerics.Tensors.TensorSpan`1[long],int):this (FullOpts)
         -15 (-2.32 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[short]:.ctor(System.Numerics.Tensors.TensorSpan`1[short],int):this (FullOpts)
         -15 (-2.32 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.TensorDimensionSpan`1[System.__Canon]:.ctor(System.Numerics.Tensors.TensorSpan`1[System.__Canon],int):this (FullOpts)
         -15 (-2.32 % 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)
         -15 (-2.32 % 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)
         -15 (-2.08 % of base) : System.Net.Primitives.dasm - System.Net.CookieContainer:InternalGetCookies(System.Uri):System.Net.CookieCollection:this (FullOpts)
         -17 (-1.95 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipArchiveEntry:WriteCentralDirectoryFileHeaderPrepare(System.Span`1[byte],uint,uint,ushort,uint):this (FullOpts)
         -15 (-1.44 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipCentralDirectoryFileHeader:TryReadBlock(System.ReadOnlySpan`1[byte],System.IO.Stream,bool,byref,byref):bool (FullOpts)
         -12 (-1.38 % 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)
          -5 (-1.31 % of base) : System.IO.Compression.dasm - System.IO.Compression.Zip64ExtraField:WriteBlockCore(System.Span`1[byte]):this (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)
         -20 (-0.92 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[byte](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
         -20 (-0.92 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[double](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
         -20 (-0.92 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[int](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
         -20 (-0.92 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[long](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
         -20 (-0.92 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[short](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
         -20 (-0.92 % 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)
         -20 (-0.91 % 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 (-0.90 % of base) : System.Private.CoreLib.dasm - System.MemoryExtensions:<TrimUtf8>g__TrimFallback|287_0(System.ReadOnlySpan`1[byte]):System.ReadOnlySpan`1[byte] (FullOpts)
          -8 (-0.84 % 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)
          -7 (-0.79 % of base) : System.Net.Http.dasm - System.Net.Http.HttpContent:ReadBufferAsString(System.Net.Http.HttpContent+LimitArrayPoolWriteStream,System.Net.Http.Headers.HttpContentHeaders):System.String (FullOpts)
         -16 (-0.77 % of base) : System.Numerics.Tensors.dasm - System.Numerics.Tensors.Tensor:ToString[System.__Canon](byref,System.ReadOnlySpan`1[nint],System.Text.StringBuilder,int) (FullOpts)
          -3 (-0.72 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipGenericExtraField:TryReadBlock(System.ReadOnlySpan`1[byte],byref,byref):bool (FullOpts)
         -10 (-0.56 % 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)
         -10 (-0.55 % 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)
         -10 (-0.55 % 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)
         -10 (-0.55 % 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)
         -10 (-0.55 % 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)
         -10 (-0.55 % 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)
         -10 (-0.55 % 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)
          -9 (-0.33 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipLocalFileHeader+<GetExtraFieldsAsync>d__12:MoveNext():this (FullOpts)
          -3 (-0.28 % of base) : System.Runtime.Numerics.dasm - System.Number:<NumberToBigInteger>g__Recursive|12_1(byref,int,System.ReadOnlySpan`1[uint],System.Span`1[uint]) (FullOpts)

98 total methods with Code Size differences (89 improved, 9 regressed), 283049 unchanged.

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

Artifacts:

• build-clr-checked-main.zip (88 MB)
• build-artifacts-main.zip (700 MB)
• build-clr-checked-pr.zip (88 MB)
• build-artifacts-pr.zip (701 MB)
• jit-diffs-main.zip (154 MB)
• jit-diffs-pr.zip (154 MB)
• diff-frameworks.txt (38 KB)
• ShortDiffsRegressions.md (56 KB)
• LongDiffsRegressions.md (408 KB)
• ShortDiffsImprovements.md (48 KB)
• LongDiffsImprovements.md (891 KB)

[MihuBot]

Top method regressions

26 (4.73 % of base) - System.IO.Compression.ZipArchiveEntry:WriteLocalFileHeaderPrepare(System.Span`1[byte],uint,uint,ushort):this

 ; Assembly listing for method System.IO.Compression.ZipArchiveEntry:WriteLocalFileHeaderPrepare(System.Span`1[byte],uint,uint,ushort):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; 26 single block inlinees; 31 inlinees without PGO data
+; 0 inlinees with PGO data; 17 single block inlinees; 22 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 this         [V00,T00] (  8,  8   )     ref  ->  rbx         this class-hnd single-def <System.IO.Compression.ZipArchiveEntry>
-;  V01 arg1         [V01    ] ( 24, 24   )  struct (16) [rbp-0x38]  do-not-enreg[XSFA] multireg-arg addr-exposed ld-addr-op single-def <System.Span`1[byte]>
-;  V02 arg2         [V02,T11] (  3,  3   )     int  ->  r15         single-def
-;  V03 arg3         [V03,T12] (  3,  3   )     int  ->  r14         single-def
-;  V04 arg4         [V04,T13] (  3,  3   )  ushort  ->  r13         single-def
+;  V00 this         [V00,T02] (  8,  8   )     ref  ->  rbx         this class-hnd single-def <System.IO.Compression.ZipArchiveEntry>
+;  V01 arg1         [V01    ] ( 25, 25   )  struct (16) [rbp-0x38]  do-not-enreg[SFA] multireg-arg ld-addr-op single-def <System.Span`1[byte]>
+;  V02 arg2         [V02,T14] (  3,  3   )     int  ->  r15         single-def
+;  V03 arg3         [V03,T15] (  3,  3   )     int  ->  r14         single-def
+;  V04 arg4         [V04,T16] (  3,  3   )  ushort  ->  r13         single-def
 ;* V05 loc0         [V05    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op <System.ReadOnlySpan`1[byte]>
 ;* V06 loc1         [V06    ] (  0,  0   )   byref  ->  zero-ref   
 ;* V07 loc2         [V07    ] (  0,  0   )   byref  ->  zero-ref   
 ;* V08 loc3         [V08    ] (  0,  0   )   byref  ->  zero-ref   
 ;* V09 loc4         [V09    ] (  0,  0   )   byref  ->  zero-ref   
 ;* V10 loc5         [V10    ] (  0,  0   )   byref  ->  zero-ref   
 ;* V11 loc6         [V11    ] (  0,  0   )   byref  ->  zero-ref   
 ;* V12 loc7         [V12    ] (  0,  0   )   byref  ->  zero-ref   
 ;* V13 loc8         [V13    ] (  0,  0   )   byref  ->  zero-ref   
 ;* V14 loc9         [V14    ] (  0,  0   )   byref  ->  zero-ref   
-;* V15 loc10        [V15,T42] (  0,  0   )   byref  ->  zero-ref    single-def
+;* V15 loc10        [V15    ] (  0,  0   )   byref  ->  zero-ref   
 ;# V16 OutArgs      [V16    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;* V17 tmp1         [V17    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.Span`1[byte]>
-;* V18 tmp2         [V18    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.Span`1[byte]>
-;* V19 tmp3         [V19    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.Span`1[byte]>
-;* V20 tmp4         [V20    ] (  0,  0   )  struct (16) zero-ref    "impAppendStmt" <System.Span`1[byte]>
-;* V21 tmp5         [V21    ] (  0,  0   )  struct (16) zero-ref    "impAppendStmt" <System.Span`1[byte]>
-;* V22 tmp6         [V22    ] (  0,  0   )  struct ( 8) zero-ref    "spilled call-like call argument" <System.DateTime>
-;* V23 tmp7         [V23    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.Span`1[byte]>
-;* V24 tmp8         [V24    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.Span`1[byte]>
-;* V25 tmp9         [V25    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.Span`1[byte]>
-;* V26 tmp10        [V26    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.Span`1[byte]>
-;* V27 tmp11        [V27    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.Span`1[byte]>
-;* V28 tmp12        [V28    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
-;  V29 tmp13        [V29,T14] (  2,  4   )     int  ->  rax         "Inlining Arg"
-;* V30 tmp14        [V30    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[byte]>
-;* V31 tmp15        [V31    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
-;* V32 tmp16        [V32    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
-;* V33 tmp17        [V33    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
-;* V34 tmp18        [V34    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
-;* V35 tmp19        [V35    ] (  0,  0   )    long  ->  zero-ref    "Inlining Arg"
-;  V36 tmp20        [V36,T02] (  3,  6   )     int  ->  rax         "Inlining Arg"
-;* V37 tmp21        [V37    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[byte]>
-;* V38 tmp22        [V38    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
-;  V39 tmp23        [V39,T15] (  2,  4   )  ushort  ->  rcx         ld-addr-op "Inlining Arg"
-;* V40 tmp24        [V40    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
-;* V41 tmp25        [V41    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
-;  V42 tmp26        [V42,T03] (  3,  6   )     int  ->  rax         "Inlining Arg"
-;* V43 tmp27        [V43    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[byte]>
-;* V44 tmp28        [V44    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
-;  V45 tmp29        [V45,T16] (  2,  4   )  ushort  ->  rcx         ld-addr-op "Inlining Arg"
-;* V46 tmp30        [V46    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
-;* V47 tmp31        [V47    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
-;  V48 tmp32        [V48,T04] (  3,  6   )     int  ->  rax         "Inlining Arg"
-;* V49 tmp33        [V49    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[byte]>
-;* V50 tmp34        [V50    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
-;  V51 tmp35        [V51,T17] (  2,  4   )  ushort  ->  rcx         ld-addr-op "Inlining Arg"
-;* V52 tmp36        [V52    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
-;* V53 tmp37        [V53    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
-;  V54 tmp38        [V54,T05] (  3,  6   )     int  ->  r12         "Inlining Arg"
-;* V55 tmp39        [V55    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[byte]>
-;* V56 tmp40        [V56    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
-;  V57 tmp41        [V57,T01] (  3,  6   )   byref  ->  rdi         single-def "Inlining Arg"
-;* V58 tmp42        [V58    ] (  0,  0   )    long  ->  zero-ref    "Inlining Arg"
-;* V59 tmp43        [V59    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.DateTime>
-;  V60 tmp44        [V60,T18] (  2,  4   )     int  ->  rax         ld-addr-op "Inlining Arg"
+;* V18 tmp2         [V18    ] (  0,  0   )  struct (16) zero-ref    "(ReadOnly)Span<T> for Slice" <System.Span`1[byte]>
+;  V19 tmp3         [V19,T04] (  3,  6   )     int  ->  rdi         "Span.Slice length"
+;* V20 tmp4         [V20    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
+;* V21 tmp5         [V21    ] (  0,  0   )  struct (16) zero-ref    "(ReadOnly)Span<T> for Slice" <System.Span`1[byte]>
+;  V22 tmp6         [V22,T05] (  3,  6   )     int  ->  rdi         "Span.Slice length"
+;* V23 tmp7         [V23    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
+;* V24 tmp8         [V24    ] (  0,  0   )  struct (16) zero-ref    "(ReadOnly)Span<T> for Slice" <System.Span`1[byte]>
+;  V25 tmp9         [V25,T06] (  3,  6   )     int  ->  rdi         "Span.Slice length"
+;* V26 tmp10        [V26    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
+;* V27 tmp11        [V27    ] (  0,  0   )  struct (16) zero-ref    "(ReadOnly)Span<T> for Slice" <System.Span`1[byte]>
+;  V28 tmp12        [V28,T07] (  3,  6   )     int  ->  r12         "Span.Slice length"
+;* V29 tmp13        [V29    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
+;* V30 tmp14        [V30    ] (  0,  0   )  struct ( 8) zero-ref    "spilled call-like call argument" <System.DateTime>
+;* V31 tmp15        [V31    ] (  0,  0   )  struct (16) zero-ref    "(ReadOnly)Span<T> for Slice" <System.Span`1[byte]>
+;  V32 tmp16        [V32,T08] (  3,  6   )     int  ->  rax         "Span.Slice length"
+;* V33 tmp17        [V33    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
+;* V34 tmp18        [V34    ] (  0,  0   )  struct (16) zero-ref    "(ReadOnly)Span<T> for Slice" <System.Span`1[byte]>
+;  V35 tmp19        [V35,T09] (  3,  6   )     int  ->  rax         "Span.Slice length"
+;* V36 tmp20        [V36    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
+;* V37 tmp21        [V37    ] (  0,  0   )  struct (16) zero-ref    "(ReadOnly)Span<T> for Slice" <System.Span`1[byte]>
+;  V38 tmp22        [V38,T10] (  3,  6   )     int  ->  rax         "Span.Slice length"
+;* V39 tmp23        [V39    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
+;* V40 tmp24        [V40    ] (  0,  0   )  struct (16) zero-ref    "(ReadOnly)Span<T> for Slice" <System.Span`1[byte]>
+;  V41 tmp25        [V41,T11] (  3,  6   )     int  ->  rax         "Span.Slice length"
+;* V42 tmp26        [V42    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
+;* V43 tmp27        [V43    ] (  0,  0   )  struct (16) zero-ref    "(ReadOnly)Span<T> for Slice" <System.Span`1[byte]>
+;  V44 tmp28        [V44,T12] (  3,  6   )     int  ->  rax         "Span.Slice length"
+;* V45 tmp29        [V45    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
+;* V46 tmp30        [V46    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
+;  V47 tmp31        [V47,T13] (  3,  6   )     int  ->  rax         "Inlining Arg"
+;* V48 tmp32        [V48    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[byte]>
+;* V49 tmp33        [V49    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
+;* V50 tmp34        [V50    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
+;* V51 tmp35        [V51    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
+;* V52 tmp36        [V52    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
+;* V53 tmp37        [V53    ] (  0,  0   )    long  ->  zero-ref    "Inlining Arg"
+;  V54 tmp38        [V54,T17] (  2,  4   )  ushort  ->  rcx         ld-addr-op "Inlining Arg"
+;* V55 tmp39        [V55    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
+;* V56 tmp40        [V56    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
+;  V57 tmp41        [V57,T18] (  2,  4   )  ushort  ->  rcx         ld-addr-op "Inlining Arg"
+;* V58 tmp42        [V58    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
+;* V59 tmp43        [V59    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
+;  V60 tmp44        [V60,T19] (  2,  4   )  ushort  ->  rcx         ld-addr-op "Inlining Arg"
 ;* V61 tmp45        [V61    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
 ;* V62 tmp46        [V62    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
-;  V63 tmp47        [V63,T06] (  3,  6   )     int  ->  rax         "Inlining Arg"
-;* V64 tmp48        [V64    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[byte]>
-;* V65 tmp49        [V65    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
-;  V66 tmp50        [V66,T19] (  2,  4   )     int  ->  rcx         ld-addr-op "Inlining Arg"
+;  V63 tmp47        [V63,T03] (  3,  6   )   byref  ->  rdi         single-def "Inlining Arg"
+;* V64 tmp48        [V64    ] (  0,  0   )    long  ->  zero-ref    "Inlining Arg"
+;* V65 tmp49        [V65    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.DateTime>
+;  V66 tmp50        [V66,T20] (  2,  4   )     int  ->  rax         ld-addr-op "Inlining Arg"
 ;* V67 tmp51        [V67    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
 ;* V68 tmp52        [V68    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
-;  V69 tmp53        [V69,T07] (  3,  6   )     int  ->  rax         "Inlining Arg"
-;* V70 tmp54        [V70    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[byte]>
-;* V71 tmp55        [V71    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
+;  V69 tmp53        [V69,T21] (  2,  4   )     int  ->  rdx         ld-addr-op "Inlining Arg"
+;* V70 tmp54        [V70    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
+;* V71 tmp55        [V71    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
 ;* V72 tmp56        [V72    ] (  0,  0   )     int  ->  zero-ref    ld-addr-op "Inlining Arg"
 ;* V73 tmp57        [V73    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
 ;* V74 tmp58        [V74    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
-;  V75 tmp59        [V75,T08] (  3,  6   )     int  ->  rax         "Inlining Arg"
-;* V76 tmp60        [V76    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[byte]>
-;* V77 tmp61        [V77    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
-;* V78 tmp62        [V78    ] (  0,  0   )     int  ->  zero-ref    ld-addr-op "Inlining Arg"
+;* V75 tmp59        [V75    ] (  0,  0   )     int  ->  zero-ref    ld-addr-op "Inlining Arg"
+;* V76 tmp60        [V76    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
+;* V77 tmp61        [V77    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
+;  V78 tmp62        [V78,T22] (  2,  4   )  ushort  ->  rdx         ld-addr-op "Inlining Arg"
 ;* V79 tmp63        [V79    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
 ;* V80 tmp64        [V80    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
-;  V81 tmp65        [V81,T09] (  3,  6   )     int  ->  rax         "Inlining Arg"
-;* V82 tmp66        [V82    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[byte]>
-;* V83 tmp67        [V83    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
-;  V84 tmp68        [V84,T20] (  2,  4   )  ushort  ->  rcx         ld-addr-op "Inlining Arg"
-;* V85 tmp69        [V85    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
-;* V86 tmp70        [V86    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
-;  V87 tmp71        [V87,T10] (  3,  6   )     int  ->  rax         "Inlining Arg"
-;* V88 tmp72        [V88    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[byte]>
-;* V89 tmp73        [V89    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
-;  V90 tmp74        [V90,T21] (  2,  4   )  ushort  ->  rcx         ld-addr-op "Inlining Arg"
-;* V91 tmp75        [V91    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
-;* V92 tmp76        [V92    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
-;  V93 tmp77        [V93    ] ( 23, 23   )   byref  ->  [rbp-0x38]  do-not-enreg[X] addr-exposed single-def "field V01._reference (fldOffset=0x0)" P-DEP
-;  V94 tmp78        [V94    ] ( 23, 23   )     int  ->  [rbp-0x30]  do-not-enreg[X] addr-exposed single-def "field V01._length (fldOffset=0x8)" P-DEP
-;* V95 tmp79        [V95    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V05._reference (fldOffset=0x0)" P-INDEP
-;* V96 tmp80        [V96    ] (  0,  0   )     int  ->  zero-ref    "field V05._length (fldOffset=0x8)" P-INDEP
-;* V97 tmp81        [V97    ] (  0,  0   )   byref  ->  zero-ref    "field V17._reference (fldOffset=0x0)" P-INDEP
-;* V98 tmp82        [V98    ] (  0,  0   )     int  ->  zero-ref    "field V17._length (fldOffset=0x8)" P-INDEP
-;* V99 tmp83        [V99    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V18._reference (fldOffset=0x0)" P-INDEP
-;* V100 tmp84       [V100    ] (  0,  0   )     int  ->  zero-ref    "field V18._length (fldOffset=0x8)" P-INDEP
-;* V101 tmp85       [V101    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V19._reference (fldOffset=0x0)" P-INDEP
-;* V102 tmp86       [V102    ] (  0,  0   )     int  ->  zero-ref    "field V19._length (fldOffset=0x8)" P-INDEP
-;* V103 tmp87       [V103    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V20._reference (fldOffset=0x0)" P-INDEP
-;* V104 tmp88       [V104    ] (  0,  0   )     int  ->  zero-ref    "field V20._length (fldOffset=0x8)" P-INDEP
-;* V105 tmp89       [V105    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V21._reference (fldOffset=0x0)" P-INDEP
-;* V106 tmp90       [V106    ] (  0,  0   )     int  ->  zero-ref    "field V21._length (fldOffset=0x8)" P-INDEP
-;* V107 tmp91       [V107    ] (  0,  0   )    long  ->  zero-ref    "field V22._dateData (fldOffset=0x0)" P-INDEP
-;* V108 tmp92       [V108    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V23._reference (fldOffset=0x0)" P-INDEP
-;* V109 tmp93       [V109    ] (  0,  0   )     int  ->  zero-ref    "field V23._length (fldOffset=0x8)" P-INDEP
-;* V110 tmp94       [V110    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V24._reference (fldOffset=0x0)" P-INDEP
-;* V111 tmp95       [V111    ] (  0,  0   )     int  ->  zero-ref    "field V24._length (fldOffset=0x8)" P-INDEP
-;* V112 tmp96       [V112    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V25._reference (fldOffset=0x0)" P-INDEP
-;* V113 tmp97       [V113    ] (  0,  0   )     int  ->  zero-ref    "field V25._length (fldOffset=0x8)" P-INDEP
-;* V114 tmp98       [V114    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V26._reference (fldOffset=0x0)" P-INDEP
-;* V115 tmp99       [V115    ] (  0,  0   )     int  ->  zero-ref    "field V26._length (fldOffset=0x8)" P-INDEP
-;* V116 tmp100      [V116    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V27._reference (fldOffset=0x0)" P-INDEP
-;* V117 tmp101      [V117    ] (  0,  0   )     int  ->  zero-ref    "field V27._length (fldOffset=0x8)" P-INDEP
-;* V118 tmp102      [V118    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V28._reference (fldOffset=0x0)" P-INDEP
-;* V119 tmp103      [V119    ] (  0,  0   )     int  ->  zero-ref    "field V28._length (fldOffset=0x8)" P-INDEP
-;  V120 tmp104      [V120,T31] (  2,  2   )   byref  ->  r12         single-def "field V30._reference (fldOffset=0x0)" P-INDEP
-;* V121 tmp105      [V121    ] (  0,  0   )     int  ->  zero-ref    "field V30._length (fldOffset=0x8)" P-INDEP
-;* V122 tmp106      [V122    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V32._reference (fldOffset=0x0)" P-INDEP
-;* V123 tmp107      [V123    ] (  0,  0   )     int  ->  zero-ref    "field V32._length (fldOffset=0x8)" P-INDEP
-;  V124 tmp108      [V124,T32] (  2,  2   )   byref  ->  rdi         single-def "field V37._reference (fldOffset=0x0)" P-INDEP
-;* V125 tmp109      [V125    ] (  0,  0   )     int  ->  zero-ref    "field V37._length (fldOffset=0x8)" P-INDEP
-;* V126 tmp110      [V126    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V40._reference (fldOffset=0x0)" P-INDEP
-;* V127 tmp111      [V127    ] (  0,  0   )     int  ->  zero-ref    "field V40._length (fldOffset=0x8)" P-INDEP
-;* V128 tmp112      [V128    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V41._reference (fldOffset=0x0)" P-INDEP
-;* V129 tmp113      [V129    ] (  0,  0   )     int  ->  zero-ref    "field V41._length (fldOffset=0x8)" P-INDEP
-;  V130 tmp114      [V130,T33] (  2,  2   )   byref  ->  rdi         single-def "field V43._reference (fldOffset=0x0)" P-INDEP
-;* V131 tmp115      [V131    ] (  0,  0   )     int  ->  zero-ref    "field V43._length (fldOffset=0x8)" P-INDEP
-;* V132 tmp116      [V132    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V46._reference (fldOffset=0x0)" P-INDEP
-;* V133 tmp117      [V133    ] (  0,  0   )     int  ->  zero-ref    "field V46._length (fldOffset=0x8)" P-INDEP
-;* V134 tmp118      [V134    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V47._reference (fldOffset=0x0)" P-INDEP
-;* V135 tmp119      [V135    ] (  0,  0   )     int  ->  zero-ref    "field V47._length (fldOffset=0x8)" P-INDEP
-;  V136 tmp120      [V136,T34] (  2,  2   )   byref  ->  rdi         single-def "field V49._reference (fldOffset=0x0)" P-INDEP
-;* V137 tmp121      [V137    ] (  0,  0   )     int  ->  zero-ref    "field V49._length (fldOffset=0x8)" P-INDEP
-;* V138 tmp122      [V138    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V52._reference (fldOffset=0x0)" P-INDEP
-;* V139 tmp123      [V139    ] (  0,  0   )     int  ->  zero-ref    "field V52._length (fldOffset=0x8)" P-INDEP
-;* V140 tmp124      [V140    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V53._reference (fldOffset=0x0)" P-INDEP
-;* V141 tmp125      [V141    ] (  0,  0   )     int  ->  zero-ref    "field V53._length (fldOffset=0x8)" P-INDEP
-;  V142 tmp126      [V142,T35] (  2,  2   )   byref  ->  [rbp-0x40]  spill-single-def "field V55._reference (fldOffset=0x0)" P-INDEP
-;* V143 tmp127      [V143    ] (  0,  0   )     int  ->  zero-ref    "field V55._length (fldOffset=0x8)" P-INDEP
-;  V144 tmp128      [V144,T41] (  2,  2   )    long  ->  rdi         "field V59._dateData (fldOffset=0x0)" P-INDEP
-;* V145 tmp129      [V145    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V61._reference (fldOffset=0x0)" P-INDEP
-;* V146 tmp130      [V146    ] (  0,  0   )     int  ->  zero-ref    "field V61._length (fldOffset=0x8)" P-INDEP
-;* V147 tmp131      [V147    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V62._reference (fldOffset=0x0)" P-INDEP
-;* V148 tmp132      [V148    ] (  0,  0   )     int  ->  zero-ref    "field V62._length (fldOffset=0x8)" P-INDEP
-;  V149 tmp133      [V149,T36] (  2,  2   )   byref  ->  rdi         single-def "field V64._reference (fldOffset=0x0)" P-INDEP
-;* V150 tmp134      [V150    ] (  0,  0   )     int  ->  zero-ref    "field V64._length (fldOffset=0x8)" P-INDEP
-;* V151 tmp135      [V151    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V67._reference (fldOffset=0x0)" P-INDEP
-;* V152 tmp136      [V152    ] (  0,  0   )     int  ->  zero-ref    "field V67._length (fldOffset=0x8)" P-INDEP
-;* V153 tmp137      [V153    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V68._reference (fldOffset=0x0)" P-INDEP
-;* V154 tmp138      [V154    ] (  0,  0   )     int  ->  zero-ref    "field V68._length (fldOffset=0x8)" P-INDEP
-;  V155 tmp139      [V155,T37] (  2,  2   )   byref  ->  rdi         single-def "field V70._reference (fldOffset=0x0)" P-INDEP
-;* V156 tmp140      [V156    ] (  0,  0   )     int  ->  zero-ref    "field V70._length (fldOffset=0x8)" P-INDEP
-;* V157 tmp141      [V157    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V73._reference (fldOffset=0x0)" P-INDEP
-;* V158 tmp142      [V158    ] (  0,  0   )     int  ->  zero-ref    "field V73._length (fldOffset=0x8)" P-INDEP
-;* V159 tmp143      [V159    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V74._reference (fldOffset=0x0)" P-INDEP
-;* V160 tmp144      [V160    ] (  0,  0   )     int  ->  zero-ref    "field V74._length (fldOffset=0x8)" P-INDEP
-;  V161 tmp145      [V161,T38] (  2,  2   )   byref  ->  rdi         single-def "field V76._reference (fldOffset=0x0)" P-INDEP
-;* V162 tmp146      [V162    ] (  0,  0   )     int  ->  zero-ref    "field V76._length (fldOffset=0x8)" P-INDEP
-;* V163 tmp147      [V163    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V79._reference (fldOffset=0x0)" P-INDEP
-;* V164 tmp148      [V164    ] (  0,  0   )     int  ->  zero-ref    "field V79._length (fldOffset=0x8)" P-INDEP
-;* V165 tmp149      [V165    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V80._reference (fldOffset=0x0)" P-INDEP
-;* V166 tmp150      [V166    ] (  0,  0   )     int  ->  zero-ref    "field V80._length (fldOffset=0x8)" P-INDEP
-;  V167 tmp151      [V167,T39] (  2,  2   )   byref  ->  rdi         single-def "field V82._reference (fldOffset=0x0)" P-INDEP
-;* V168 tmp152      [V168    ] (  0,  0   )     int  ->  zero-ref    "field V82._length (fldOffset=0x8)" P-INDEP
-;* V169 tmp153      [V169    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V85._reference (fldOffset=0x0)" P-INDEP
-;* V170 tmp154      [V170    ] (  0,  0   )     int  ->  zero-ref    "field V85._length (fldOffset=0x8)" P-INDEP
-;* V171 tmp155      [V171    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V86._reference (fldOffset=0x0)" P-INDEP
-;* V172 tmp156      [V172    ] (  0,  0   )     int  ->  zero-ref    "field V86._length (fldOffset=0x8)" P-INDEP
-;  V173 tmp157      [V173,T40] (  2,  2   )   byref  ->  rdi         single-def "field V88._reference (fldOffset=0x0)" P-INDEP
-;* V174 tmp158      [V174    ] (  0,  0   )     int  ->  zero-ref    "field V88._length (fldOffset=0x8)" P-INDEP
-;* V175 tmp159      [V175    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V91._reference (fldOffset=0x0)" P-INDEP
-;* V176 tmp160      [V176    ] (  0,  0   )     int  ->  zero-ref    "field V91._length (fldOffset=0x8)" P-INDEP
-;* V177 tmp161      [V177    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V92._reference (fldOffset=0x0)" P-INDEP
-;* V178 tmp162      [V178    ] (  0,  0   )     int  ->  zero-ref    "field V92._length (fldOffset=0x8)" P-INDEP
-;  V179 cse0        [V179,T22] (  3,  3   )     int  ->  rdi         "CSE #01: moderate"
-;  V180 cse1        [V180,T23] (  3,  3   )     int  ->  rdi         "CSE #02: moderate"
-;  V181 cse2        [V181,T24] (  3,  3   )     int  ->  rdi         "CSE #03: moderate"
-;  V182 cse3        [V182,T25] (  3,  3   )     int  ->  rdi         "CSE #04: moderate"
-;  V183 cse4        [V183,T26] (  3,  3   )     int  ->  rdi         "CSE #05: moderate"
-;  V184 cse5        [V184,T27] (  3,  3   )     int  ->  rdi         "CSE #06: moderate"
-;  V185 cse6        [V185,T28] (  3,  3   )     int  ->  rdi         "CSE #07: moderate"
-;  V186 cse7        [V186,T29] (  3,  3   )     int  ->  rdi         "CSE #08: moderate"
-;  V187 cse8        [V187,T30] (  3,  3   )     int  ->  rdi         "CSE #09: moderate"
+;  V81 tmp65        [V81,T23] (  2,  4   )  ushort  ->  rdx         ld-addr-op "Inlining Arg"
+;* V82 tmp66        [V82    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
+;* V83 tmp67        [V83    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
+;  V84 tmp68        [V84,T00] ( 24, 24   )   byref  ->  [rbp-0x38]  do-not-enreg[] single-def "field V01._reference (fldOffset=0x0)" P-DEP
+;  V85 tmp69        [V85,T01] ( 24, 24   )     int  ->  [rbp-0x30]  do-not-enreg[] single-def "field V01._length (fldOffset=0x8)" P-DEP
+;* V86 tmp70        [V86    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V05._reference (fldOffset=0x0)" P-INDEP
+;* V87 tmp71        [V87    ] (  0,  0   )     int  ->  zero-ref    "field V05._length (fldOffset=0x8)" P-INDEP
+;* V88 tmp72        [V88    ] (  0,  0   )   byref  ->  zero-ref    "field V17._reference (fldOffset=0x0)" P-INDEP
+;* V89 tmp73        [V89    ] (  0,  0   )     int  ->  zero-ref    "field V17._length (fldOffset=0x8)" P-INDEP
+;  V90 tmp74        [V90,T24] (  2,  2   )   byref  ->  rax         single-def "field V18._reference (fldOffset=0x0)" P-INDEP
+;  V91 tmp75        [V91,T34] (  2,  2   )     int  ->  rdi         "field V18._length (fldOffset=0x8)" P-INDEP
+;  V92 tmp76        [V92,T25] (  2,  2   )   byref  ->  rax         single-def "field V21._reference (fldOffset=0x0)" P-INDEP
+;  V93 tmp77        [V93,T35] (  2,  2   )     int  ->  rdi         "field V21._length (fldOffset=0x8)" P-INDEP
+;  V94 tmp78        [V94,T26] (  2,  2   )   byref  ->  rax         single-def "field V24._reference (fldOffset=0x0)" P-INDEP
+;  V95 tmp79        [V95,T36] (  2,  2   )     int  ->  rdi         "field V24._length (fldOffset=0x8)" P-INDEP
+;  V96 tmp80        [V96,T27] (  2,  2   )   byref  ->  [rbp-0x40]  spill-single-def "field V27._reference (fldOffset=0x0)" P-INDEP
+;  V97 tmp81        [V97,T37] (  2,  2   )     int  ->  r12         "field V27._length (fldOffset=0x8)" P-INDEP
+;* V98 tmp82        [V98    ] (  0,  0   )    long  ->  zero-ref    "field V30._dateData (fldOffset=0x0)" P-INDEP
+;  V99 tmp83        [V99,T28] (  2,  2   )   byref  ->  rcx         single-def "field V31._reference (fldOffset=0x0)" P-INDEP
+;  V100 tmp84       [V100,T38] (  2,  2   )     int  ->  rax         "field V31._length (fldOffset=0x8)" P-INDEP
+;  V101 tmp85       [V101,T29] (  2,  2   )   byref  ->  rcx         single-def "field V34._reference (fldOffset=0x0)" P-INDEP
+;  V102 tmp86       [V102,T39] (  2,  2   )     int  ->  rax         "field V34._length (fldOffset=0x8)" P-INDEP
+;  V103 tmp87       [V103,T30] (  2,  2   )   byref  ->  rcx         single-def "field V37._reference (fldOffset=0x0)" P-INDEP
+;  V104 tmp88       [V104,T40] (  2,  2   )     int  ->  rax         "field V37._length (fldOffset=0x8)" P-INDEP
+;  V105 tmp89       [V105,T31] (  2,  2   )   byref  ->  rcx         single-def "field V40._reference (fldOffset=0x0)" P-INDEP
+;  V106 tmp90       [V106,T41] (  2,  2   )     int  ->  rax         "field V40._length (fldOffset=0x8)" P-INDEP
+;  V107 tmp91       [V107,T32] (  2,  2   )   byref  ->  rcx         single-def "field V43._reference (fldOffset=0x0)" P-INDEP
+;  V108 tmp92       [V108,T42] (  2,  2   )     int  ->  rax         "field V43._length (fldOffset=0x8)" P-INDEP
+;* V109 tmp93       [V109    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V46._reference (fldOffset=0x0)" P-INDEP
+;* V110 tmp94       [V110    ] (  0,  0   )     int  ->  zero-ref    "field V46._length (fldOffset=0x8)" P-INDEP
+;  V111 tmp95       [V111,T33] (  2,  2   )   byref  ->  r12         single-def "field V48._reference (fldOffset=0x0)" P-INDEP
+;* V112 tmp96       [V112    ] (  0,  0   )     int  ->  zero-ref    "field V48._length (fldOffset=0x8)" P-INDEP
+;* V113 tmp97       [V113    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V50._reference (fldOffset=0x0)" P-INDEP
+;* V114 tmp98       [V114    ] (  0,  0   )     int  ->  zero-ref    "field V50._length (fldOffset=0x8)" P-INDEP
+;* V115 tmp99       [V115    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V55._reference (fldOffset=0x0)" P-INDEP
+;* V116 tmp100      [V116    ] (  0,  0   )     int  ->  zero-ref    "field V55._length (fldOffset=0x8)" P-INDEP
+;* V117 tmp101      [V117    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V56._reference (fldOffset=0x0)" P-INDEP
+;* V118 tmp102      [V118    ] (  0,  0   )     int  ->  zero-ref    "field V56._length (fldOffset=0x8)" P-INDEP
+;* V119 tmp103      [V119    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V58._reference (fldOffset=0x0)" P-INDEP
+;* V120 tmp104      [V120    ] (  0,  0   )     int  ->  zero-ref    "field V58._length (fldOffset=0x8)" P-INDEP
+;* V121 tmp105      [V121    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V59._reference (fldOffset=0x0)" P-INDEP
+;* V122 tmp106      [V122    ] (  0,  0   )     int  ->  zero-ref    "field V59._length (fldOffset=0x8)" P-INDEP
+;* V123 tmp107      [V123    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V61._reference (fldOffset=0x0)" P-INDEP
+;* V124 tmp108      [V124    ] (  0,  0   )     int  ->  zero-ref    "field V61._length (fldOffset=0x8)" P-INDEP
+;* V125 tmp109      [V125    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V62._reference (fldOffset=0x0)" P-INDEP
+;* V126 tmp110      [V126    ] (  0,  0   )     int  ->  zero-ref    "field V62._length (fldOffset=0x8)" P-INDEP
+;  V127 tmp111      [V127,T43] (  2,  2   )    long  ->  rdi         "field V65._dateData (fldOffset=0x0)" P-INDEP
+;* V128 tmp112      [V128    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V67._reference (fldOffset=0x0)" P-INDEP
+;* V129 tmp113      [V129    ] (  0,  0   )     int  ->  zero-ref    "field V67._length (fldOffset=0x8)" P-INDEP
+;* V130 tmp114      [V130    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V68._reference (fldOffset=0x0)" P-INDEP
+;* V131 tmp115      [V131    ] (  0,  0   )     int  ->  zero-ref    "field V68._length (fldOffset=0x8)" P-INDEP
+;* V132 tmp116      [V132    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V70._reference (fldOffset=0x0)" P-INDEP
+;* V133 tmp117      [V133    ] (  0,  0   )     int  ->  zero-ref    "field V70._length (fldOffset=0x8)" P-INDEP
+;* V134 tmp118      [V134    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V71._reference (fldOffset=0x0)" P-INDEP
+;* V135 tmp119      [V135    ] (  0,  0   )     int  ->  zero-ref    "field V71._length (fldOffset=0x8)" P-INDEP
+;* V136 tmp120      [V136    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V73._reference (fldOffset=0x0)" P-INDEP
+;* V137 tmp121      [V137    ] (  0,  0   )     int  ->  zero-ref    "field V73._length (fldOffset=0x8)" P-INDEP
+;* V138 tmp122      [V138    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V74._reference (fldOffset=0x0)" P-INDEP
+;* V139 tmp123      [V139    ] (  0,  0   )     int  ->  zero-ref    "field V74._length (fldOffset=0x8)" P-INDEP
+;* V140 tmp124      [V140    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V76._reference (fldOffset=0x0)" P-INDEP
+;* V141 tmp125      [V141    ] (  0,  0   )     int  ->  zero-ref    "field V76._length (fldOffset=0x8)" P-INDEP
+;* V142 tmp126      [V142    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V77._reference (fldOffset=0x0)" P-INDEP
+;* V143 tmp127      [V143    ] (  0,  0   )     int  ->  zero-ref    "field V77._length (fldOffset=0x8)" P-INDEP
+;* V144 tmp128      [V144    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V79._reference (fldOffset=0x0)" P-INDEP
+;* V145 tmp129      [V145    ] (  0,  0   )     int  ->  zero-ref    "field V79._length (fldOffset=0x8)" P-INDEP
+;* V146 tmp130      [V146    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V80._reference (fldOffset=0x0)" P-INDEP
+;* V147 tmp131      [V147    ] (  0,  0   )     int  ->  zero-ref    "field V80._length (fldOffset=0x8)" P-INDEP
+;* V148 tmp132      [V148    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V82._reference (fldOffset=0x0)" P-INDEP
+;* V149 tmp133      [V149    ] (  0,  0   )     int  ->  zero-ref    "field V82._length (fldOffset=0x8)" P-INDEP
+;* V150 tmp134      [V150    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V83._reference (fldOffset=0x0)" P-INDEP
+;* V151 tmp135      [V151    ] (  0,  0   )     int  ->  zero-ref    "field V83._length (fldOffset=0x8)" P-INDEP
 ;
 ; Lcl frame size = 24
 
 G_M13490_IG01:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
        sub      rsp, 24
        lea      rbp, [rsp+0x40]
        mov      bword ptr [rbp-0x38], rsi
        mov      qword ptr [rbp-0x30], rdx
        mov      rbx, rdi
        mov      r15d, ecx
        mov      r14d, r8d
        mov      r13d, r9d
 						;; size=39 bbWeight=1 PerfScore 9.75
 G_M13490_IG02:
        mov      eax, dword ptr [rbp-0x30]
+       cmp      eax, dword ptr [rbp-0x30]
+       ja       G_M13490_IG06
        mov      r12, bword ptr [rbp-0x38]
        cmp      eax, 4
-       jb       G_M13490_IG06
+       jb       G_M13490_IG07
        mov      dword ptr [r12], 0xD1FFAB1E
        mov      edi, dword ptr [rbp-0x30]
-       lea      eax, [rdi-0x04]
-       mov      ecx, eax
-       add      rcx, 4
-       cmp      rcx, rdi
-       ja       G_M13490_IG07
-       mov      rdi, bword ptr [rbp-0x38]
-       add      rdi, 4
+       cmp      edi, 4
+       jb       G_M13490_IG08
+       add      edi, -4
+       mov      rax, bword ptr [rbp-0x38]
+       add      rax, 4
        movzx    rcx, word  ptr [rbx+0x8E]
-       cmp      eax, 2
-       jl       G_M13490_IG08
-       mov      word  ptr [rdi], cx
+       cmp      edi, 2
+       jl       G_M13490_IG17
+       mov      word  ptr [rax], cx
        mov      edi, dword ptr [rbp-0x30]
-       lea      eax, [rdi-0x06]
-       mov      ecx, eax
-       add      rcx, 6
-       cmp      rcx, rdi
-       ja       G_M13490_IG07
-       mov      rdi, bword ptr [rbp-0x38]
-       add      rdi, 6
+       cmp      edi, 6
+       jb       G_M13490_IG09
+       add      edi, -6
+       mov      rax, bword ptr [rbp-0x38]
+       add      rax, 6
        movzx    rcx, word  ptr [rbx+0x90]
-       cmp      eax, 2
-       jl       G_M13490_IG08
-       mov      word  ptr [rdi], cx
+       cmp      edi, 2
+       jl       G_M13490_IG17
+       mov      word  ptr [rax], cx
        mov      edi, dword ptr [rbp-0x30]
-       lea      eax, [rdi-0x08]
-       mov      ecx, eax
-       add      rcx, 8
-       cmp      rcx, rdi
-       ja       G_M13490_IG07
-       mov      rdi, bword ptr [rbp-0x38]
-       add      rdi, 8
+       cmp      edi, 8
+       jb       G_M13490_IG10
+       add      edi, -8
+       mov      rax, bword ptr [rbp-0x38]
+       add      rax, 8
        movzx    rcx, word  ptr [rbx+0x92]
-       cmp      eax, 2
-       jl       G_M13490_IG08
-       mov      word  ptr [rdi], cx
-       mov      edi, dword ptr [rbp-0x30]
-       lea      r12d, [rdi-0x0A]
-       mov      eax, r12d
-       add      rax, 10
-       cmp      rax, rdi
-       ja       G_M13490_IG07
+       cmp      edi, 2
+       jl       G_M13490_IG17
+       mov      word  ptr [rax], cx
+       mov      r12d, dword ptr [rbp-0x30]
+       cmp      r12d, 10
+       jb       G_M13490_IG11
+       add      r12d, -10
        mov      rax, bword ptr [rbp-0x38]
        add      rax, 10
        mov      bword ptr [rbp-0x40], rax
        lea      rdi, bword ptr [rbx+0xA0]
        mov      rcx, qword ptr [rdi+0x08]
        movsxd   rdi, dword ptr [rdi]
        imul     rdi, rdi, 0xD1FFAB1E
-						;; size=224 bbWeight=1 PerfScore 44.50
-G_M13490_IG03:
        add      rdi, rcx
        mov      rcx, 0xD1FFAB1E      ; code for System.IO.Compression.ZipHelper:DateTimeToDosTime(System.DateTime):uint
+						;; size=223 bbWeight=1 PerfScore 45.00
+G_M13490_IG03:
        call     [rcx]System.IO.Compression.ZipHelper:DateTimeToDosTime(System.DateTime):uint
        cmp      r12d, 4
-       jl       G_M13490_IG08
+       jl       G_M13490_IG17
        mov      r12, bword ptr [rbp-0x40]
        mov      dword ptr [r12], eax
-       mov      edi, dword ptr [rbp-0x30]
-       lea      eax, [rdi-0x0E]
-       mov      ecx, eax
+       mov      eax, dword ptr [rbp-0x30]
+       cmp      eax, 14
+       jb       G_M13490_IG12
+       add      eax, -14
+       mov      rcx, bword ptr [rbp-0x38]
        add      rcx, 14
-       cmp      rcx, rdi
-       ja       G_M13490_IG07
-       mov      rdi, bword ptr [rbp-0x38]
-       add      rdi, 14
-       mov      ecx, dword ptr [rbx+0x7C]
+       mov      edx, dword ptr [rbx+0x7C]
        cmp      eax, 4
-       jl       G_M13490_IG08
-       mov      dword ptr [rdi], ecx
-       mov      edi, dword ptr [rbp-0x30]
-       lea      eax, [rdi-0x12]
-       mov      ecx, eax
+       jl       G_M13490_IG17
+       mov      dword ptr [rcx], edx
+       mov      eax, dword ptr [rbp-0x30]
+       cmp      eax, 18
+       jb       G_M13490_IG13
+       add      eax, -18
+       mov      rcx, bword ptr [rbp-0x38]
        add      rcx, 18
-       cmp      rcx, rdi
-       ja       G_M13490_IG07
-       mov      rdi, bword ptr [rbp-0x38]
-       add      rdi, 18
        cmp      eax, 4
-       jl       G_M13490_IG08
-       mov      dword ptr [rdi], r15d
-       mov      edi, dword ptr [rbp-0x30]
-       lea      eax, [rdi-0x16]
-       mov      ecx, eax
+       jl       G_M13490_IG17
+       mov      dword ptr [rcx], r15d
+       mov      eax, dword ptr [rbp-0x30]
+       cmp      eax, 22
+       jb       G_M13490_IG14
+       add      eax, -22
+       mov      rcx, bword ptr [rbp-0x38]
        add      rcx, 22
-       cmp      rcx, rdi
-       ja       SHORT G_M13490_IG07
-       mov      rdi, bword ptr [rbp-0x38]
-       add      rdi, 22
        cmp      eax, 4
-       jl       SHORT G_M13490_IG08
-       mov      dword ptr [rdi], r14d
-       mov      edi, dword ptr [rbp-0x30]
-       lea      eax, [rdi-0x1A]
-       mov      ecx, eax
+       jl       G_M13490_IG17
+       mov      dword ptr [rcx], r14d
+       mov      eax, dword ptr [rbp-0x30]
+       cmp      eax, 26
+       jb       G_M13490_IG15
+       add      eax, -26
+       mov      rcx, bword ptr [rbp-0x38]
        add      rcx, 26
-       cmp      rcx, rdi
-       ja       SHORT G_M13490_IG07
-       mov      rdi, bword ptr [rbp-0x38]
-						;; size=171 bbWeight=1 PerfScore 33.25
+       mov      rdx, gword ptr [rbx+0x30]
+       movzx    rdx, word  ptr [rdx+0x08]
+       cmp      eax, 2
+       jl       G_M13490_IG17
+       mov      word  ptr [rcx], dx
+						;; size=170 bbWeight=1 PerfScore 36.25
 G_M13490_IG04:
-       add      rdi, 26
-       mov      rcx, gword ptr [rbx+0x30]
-       movzx    rcx, word  ptr [rcx+0x08]
-       cmp      eax, 2
-       jl       SHORT G_M13490_IG08
-       mov      word  ptr [rdi], cx
-       mov      edi, dword ptr [rbp-0x30]
-       lea      eax, [rdi-0x1C]
-       mov      ecx, eax
+       mov      eax, dword ptr [rbp-0x30]
+       cmp      eax, 28
+       jb       SHORT G_M13490_IG16
+       add      eax, -28
+       mov      rcx, bword ptr [rbp-0x38]
        add      rcx, 28
-       cmp      rcx, rdi
-       ja       SHORT G_M13490_IG07
-       mov      rdi, bword ptr [rbp-0x38]
-       add      rdi, 28
-       movzx    rcx, r13w
+       movzx    rdx, r13w
        cmp      eax, 2
-       jl       SHORT G_M13490_IG08
-       mov      word  ptr [rdi], cx
-						;; size=57 bbWeight=1 PerfScore 13.50
+       jl       SHORT G_M13490_IG17
+       mov      word  ptr [rcx], dx
+						;; size=31 bbWeight=1 PerfScore 6.25
 G_M13490_IG05:
        add      rsp, 24
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=1 PerfScore 4.25
 G_M13490_IG06:
-       mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentException_DestinationTooShort()
-       call     [rax]System.ThrowHelper:ThrowArgumentException_DestinationTooShort()
-       int3     
-						;; size=13 bbWeight=0 PerfScore 0.00
-G_M13490_IG07:
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentOutOfRangeException()
        call     [rax]System.ThrowHelper:ThrowArgumentOutOfRangeException()
        int3     
 						;; size=13 bbWeight=0 PerfScore 0.00
+G_M13490_IG07:
+       mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentException_DestinationTooShort()
+       call     [rax]System.ThrowHelper:ThrowArgumentException_DestinationTooShort()
+       int3     
+						;; size=13 bbWeight=0 PerfScore 0.00
 G_M13490_IG08:
+       call     CORINFO_HELP_THROW_ARGUMENTOUTOFRANGEEXCEPTION
+       int3     
+						;; size=6 bbWeight=0 PerfScore 0.00
+G_M13490_IG09:
+       call     CORINFO_HELP_THROW_ARGUMENTOUTOFRANGEEXCEPTION
+       int3     
+						;; size=6 bbWeight=0 PerfScore 0.00
+G_M13490_IG10:
+       call     CORINFO_HELP_THROW_ARGUMENTOUTOFRANGEEXCEPTION
+       int3     
+						;; size=6 bbWeight=0 PerfScore 0.00
+G_M13490_IG11:
+       call     CORINFO_HELP_THROW_ARGUMENTOUTOFRANGEEXCEPTION
+       int3     
+						;; size=6 bbWeight=0 PerfScore 0.00
+G_M13490_IG12:
+       call     CORINFO_HELP_THROW_ARGUMENTOUTOFRANGEEXCEPTION
+       int3     
+						;; size=6 bbWeight=0 PerfScore 0.00
+G_M13490_IG13:
+       call     CORINFO_HELP_THROW_ARGUMENTOUTOFRANGEEXCEPTION
+       int3     
+						;; size=6 bbWeight=0 PerfScore 0.00
+G_M13490_IG14:
+       call     CORINFO_HELP_THROW_ARGUMENTOUTOFRANGEEXCEPTION
+       int3     
+						;; size=6 bbWeight=0 PerfScore 0.00
+G_M13490_IG15:
+       call     CORINFO_HELP_THROW_ARGUMENTOUTOFRANGEEXCEPTION
+       int3     
+						;; size=6 bbWeight=0 PerfScore 0.00
+G_M13490_IG16:
+       call     CORINFO_HELP_THROW_ARGUMENTOUTOFRANGEEXCEPTION
+       int3     
+						;; size=6 bbWeight=0 PerfScore 0.00
+G_M13490_IG17:
        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 550, prolog size 19, PerfScore 105.25, instruction count 152, allocated bytes for code 550 (MethodHash=f1f1cb4d) for method System.IO.Compression.ZipArchiveEntry:WriteLocalFileHeaderPrepare(System.Span`1[byte],uint,uint,ushort):this (FullOpts)
+; Total bytes of code 576, prolog size 19, PerfScore 101.50, instruction count 154, allocated bytes for code 576 (MethodHash=f1f1cb4d) for method System.IO.Compression.ZipArchiveEntry:WriteLocalFileHeaderPrepare(System.Span`1[byte],uint,uint,ushort):this (FullOpts)
 ; ============================================================

5 (4.50 % 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    ] (  9,  9   )  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]>
-;* 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"
+;* V06 tmp2         [V06    ] (  0,  0   )  struct (16) zero-ref    "(ReadOnly)Span<T> for Slice" <System.Span`1[byte]>
+;  V07 tmp3         [V07,T03] (  3,  6   )     int  ->  rax         "Span.Slice length"
+;* V08 tmp4         [V08    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
+;  V09 tmp5         [V09,T04] (  3,  6   )     int  ->  rax         "Inlining Arg"
+;* V10 tmp6         [V10    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[byte]>
+;* V11 tmp7         [V11    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
+;  V12 tmp8         [V12,T05] (  2,  4   )  ushort  ->  rdx         ld-addr-op "Inlining Arg"
+;* V13 tmp9         [V13    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
+;* V14 tmp10        [V14    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
+;  V15 tmp11        [V15,T06] (  2,  4   )  ushort  ->  rdx         ld-addr-op "Inlining Arg"
+;* V16 tmp12        [V16    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
 ;* 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"
+;  V18 tmp14        [V18,T00] (  8,  8   )   byref  ->  [rbp-0x10]  do-not-enreg[] single-def "field V01._reference (fldOffset=0x0)" P-DEP
+;  V19 tmp15        [V19,T01] (  8,  8   )     int  ->  [rbp-0x08]  do-not-enreg[] single-def "field V01._length (fldOffset=0x8)" P-DEP
+;* V20 tmp16        [V20    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V05._reference (fldOffset=0x0)" P-INDEP
+;* V21 tmp17        [V21    ] (  0,  0   )     int  ->  zero-ref    "field V05._length (fldOffset=0x8)" P-INDEP
+;  V22 tmp18        [V22,T07] (  2,  2   )   byref  ->  rcx         single-def "field V06._reference (fldOffset=0x0)" P-INDEP
+;  V23 tmp19        [V23,T09] (  2,  2   )     int  ->  rax         "field V06._length (fldOffset=0x8)" P-INDEP
+;  V24 tmp20        [V24,T08] (  2,  2   )   byref  ->  rcx         single-def "field V10._reference (fldOffset=0x0)" P-INDEP
+;* V25 tmp21        [V25    ] (  0,  0   )     int  ->  zero-ref    "field V10._length (fldOffset=0x8)" P-INDEP
+;* V26 tmp22        [V26    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V13._reference (fldOffset=0x0)" P-INDEP
+;* V27 tmp23        [V27    ] (  0,  0   )     int  ->  zero-ref    "field V13._length (fldOffset=0x8)" P-INDEP
+;* V28 tmp24        [V28    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V14._reference (fldOffset=0x0)" P-INDEP
+;* V29 tmp25        [V29    ] (  0,  0   )     int  ->  zero-ref    "field V14._length (fldOffset=0x8)" P-INDEP
+;* V30 tmp26        [V30    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V16._reference (fldOffset=0x0)" P-INDEP
+;* V31 tmp27        [V31    ] (  0,  0   )     int  ->  zero-ref    "field V16._length (fldOffset=0x8)" P-INDEP
+;* V32 tmp28        [V32    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V17._reference (fldOffset=0x0)" P-INDEP
+;* V33 tmp29        [V33    ] (  0,  0   )     int  ->  zero-ref    "field V17._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
-       mov      rax, bword ptr [rbp-0x10]
-       add      rax, 2
+       cmp      eax, 2
+       jb       SHORT G_M31521_IG05
+       add      eax, -2
+       mov      rcx, bword ptr [rbp-0x10]
+       add      rcx, 2
        movzx    rdx, word  ptr [rdi+0x12]
-       cmp      ecx, 2
-       jl       SHORT G_M31521_IG05
-       mov      word  ptr [rax], dx
-						;; size=56 bbWeight=1 PerfScore 15.00
+       cmp      eax, 2
+       jl       SHORT G_M31521_IG06
+       mov      word  ptr [rcx], dx
+						;; size=55 bbWeight=1 PerfScore 17.25
 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 116, prolog size 10, PerfScore 22.75, instruction count 35, allocated bytes for code 116 (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/ccaf236179d5afda925f9e102b3a11ce

[MihuBot]

Top method improvements

-50 (-13.37 % 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,T18] (  2,  2   )   byref  ->  rdi         single-def "Inlining Arg"
+;  V11 tmp9         [V11,T20] (  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,T19] (  2,  2   )   byref  ->  rsi         single-def "Inlining Arg"
+;  V17 tmp15        [V17,T21] (  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]>
+;  V20 tmp18        [V20    ] (  4,  4   )  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"
+;* V22 tmp20        [V22    ] (  0,  0   )  struct (16) zero-ref    "(ReadOnly)Span<T> for Slice" <System.ReadOnlySpan`1[char]>
+;  V23 tmp21        [V23,T07] (  3,  3   )     int  ->  rcx         "Span.Slice length"
+;* V24 tmp22        [V24    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
+;* V25 tmp23        [V25,T28] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
+;* V26 tmp24        [V26    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
+;* V27 tmp25        [V27    ] (  0,  0   )  ushort  ->  zero-ref    ld-addr-op "Inline stloc first use temp"
+;* V28 tmp26        [V28    ] (  0,  0   )   byref  ->  zero-ref   
 ;* 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"
+;  V30 tmp28        [V30    ] (  4,  4   )  struct (16) [rbp-0x30]  do-not-enreg[SF] must-init ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
+;* V31 tmp29        [V31    ] (  0,  0   )   byref  ->  zero-ref    "Inline stloc first use temp"
+;* V32 tmp30        [V32    ] (  0,  0   )  struct (16) zero-ref    "(ReadOnly)Span<T> for Slice" <System.ReadOnlySpan`1[char]>
+;  V33 tmp31        [V33,T08] (  3,  3   )     int  ->  rdx         "Span.Slice length"
+;* V34 tmp32        [V34    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
+;* V35 tmp33        [V35,T29] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
+;* V36 tmp34        [V36    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
+;* V37 tmp35        [V37    ] (  0,  0   )  ushort  ->  zero-ref    ld-addr-op "Inline stloc first use temp"
+;* V38 tmp36        [V38    ] (  0,  0   )   byref  ->  zero-ref   
 ;* 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]>
 ;* 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"
+;  V46 tmp44        [V46,T11] (  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
+;  V49 tmp47        [V49,T09] (  5,  2.50)   byref  ->  rdi         "field V04._reference (fldOffset=0x0)" P-INDEP
+;  V50 tmp48        [V50,T12] (  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
+;  V57 tmp55        [V57,T10] (  5,  2.50)   byref  ->  rsi         "field V12._reference (fldOffset=0x0)" P-INDEP
+;  V58 tmp56        [V58,T13] (  5,  2.50)     int  ->  rdx         "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
+;  V63 tmp61        [V63,T05] (  6,  3   )   byref  ->  rdi         "field V18._reference (fldOffset=0x0)" P-INDEP
+;  V64 tmp62        [V64,T22] (  3,  1.50)     int  ->  rcx         "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
+;  V67 tmp65        [V67,T14] (  3,  2.50)   byref  ->  [rbp-0x20]  do-not-enreg[] "field V20._reference (fldOffset=0x0)" P-DEP
+;  V68 tmp66        [V68,T16] (  3,  2.50)     int  ->  [rbp-0x18]  do-not-enreg[] "field V20._length (fldOffset=0x8)" P-DEP
+;  V69 tmp67        [V69,T23] (  2,  1   )   byref  ->  rdi         single-def "field V22._reference (fldOffset=0x0)" P-INDEP
+;  V70 tmp68        [V70,T26] (  2,  1   )     int  ->  rcx         "field V22._length (fldOffset=0x8)" P-INDEP
+;* V71 tmp69        [V71    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V26._reference (fldOffset=0x0)" P-INDEP
+;* V72 tmp70        [V72    ] (  0,  0   )     int  ->  zero-ref    "field V26._length (fldOffset=0x8)" P-INDEP
+;  V73 tmp71        [V73,T06] (  6,  3   )   byref  ->  rsi         "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
+;  V75 tmp73        [V75,T15] (  3,  2.50)   byref  ->  [rbp-0x30]  do-not-enreg[] "field V30._reference (fldOffset=0x0)" P-DEP
+;  V76 tmp74        [V76,T17] (  3,  2.50)     int  ->  [rbp-0x28]  do-not-enreg[] "field V30._length (fldOffset=0x8)" P-DEP
+;  V77 tmp75        [V77,T24] (  2,  1   )   byref  ->  rsi         single-def "field V32._reference (fldOffset=0x0)" P-INDEP
+;  V78 tmp76        [V78,T27] (  2,  1   )     int  ->  rdx         "field V32._length (fldOffset=0x8)" P-INDEP
+;* V79 tmp77        [V79    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V36._reference (fldOffset=0x0)" P-INDEP
+;* V80 tmp78        [V80    ] (  0,  0   )     int  ->  zero-ref    "field V36._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
 ;* 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"
 ;
 ; 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
+       mov      ecx, dword ptr [rbp-0x18]
+       test     ecx, ecx
+       je       G_M25741_IG19
+       dec      ecx
        mov      rdi, bword ptr [rbp-0x20]
        add      rdi, 2
        jmp      SHORT G_M25741_IG09
-						;; size=49 bbWeight=0.50 PerfScore 7.25
+						;; size=40 bbWeight=0.50 PerfScore 6.50
 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
+       mov      edx, dword ptr [rbp-0x28]
+       test     edx, edx
+       je       G_M25741_IG20
+       dec      edx
+       mov      rsi, bword ptr [rbp-0x30]
+       add      rsi, 2
+						;; size=38 bbWeight=0.50 PerfScore 5.50
+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
+G_M25741_IG20:
+       call     CORINFO_HELP_THROW_ARGUMENTOUTOFRANGEEXCEPTION
+       int3     
+						;; 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 324, prolog size 23, PerfScore 55.58, instruction count 101, allocated bytes for code 324 (MethodHash=9e2d9b72) for method System.Net.CookieComparer:Equals(System.Net.Cookie,System.Net.Cookie):bool (FullOpts)
 ; ============================================================

-45 (-9.98 % of base) - System.Net.Cookie:Equals(System.Object):bool:this

 ; Assembly listing for method System.Net.Cookie:Equals(System.Object):bool: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; 21 single block inlinees; 12 inlinees without PGO data
+; 0 inlinees with PGO data; 19 single block inlinees; 10 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T00] (  7,  4.50)     ref  ->  rbx         this class-hnd single-def <System.Net.Cookie>
 ;  V01 arg1         [V01,T01] (  5,  3.75)     ref  ->  rsi         class-hnd single-def <System.Object>
-;  V02 loc0         [V02,T07] (  6,  3   )     ref  ->  r15         class-hnd exact <System.Net.Cookie>
+;  V02 loc0         [V02,T05] (  6,  3   )     ref  ->  r15         class-hnd exact <System.Net.Cookie>
 ;# V03 OutArgs      [V03    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;* V04 tmp1         [V04    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "spilling qmarkNull" <System.Net.Cookie>
 ;* V05 tmp2         [V05    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "impAppendStmt" <System.String>
 ;* V06 tmp3         [V06    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "impAppendStmt" <System.String>
 ;* V07 tmp4         [V07    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "impAppendStmt" <System.String>
 ;* V08 tmp5         [V08    ] (  0,  0   )  struct (16) zero-ref    "impAppendStmt" <System.ReadOnlySpan`1[char]>
 ;* V09 tmp6         [V09    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.ReadOnlySpan`1[char]>
 ;* V10 tmp7         [V10    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
 ;  V11 tmp8         [V11,T03] (  4,  4   )     ref  ->  rax         class-hnd exact single-def "Inlining Arg" <System.String>
 ;* V12 tmp9         [V12    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[char]>
 ;* V13 tmp10        [V13    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inline ldloca(s) first use temp" <System.ReadOnlySpan`1[char]>
-;  V14 tmp11        [V14,T15] (  2,  2   )   byref  ->  rdi         single-def "Inlining Arg"
-;  V15 tmp12        [V15,T17] (  2,  2   )     int  ->  rax         "Inlining Arg"
+;  V14 tmp11        [V14,T19] (  2,  2   )   byref  ->  rdi         single-def "Inlining Arg"
+;  V15 tmp12        [V15,T21] (  2,  2   )     int  ->  rax         "Inlining Arg"
 ;* V16 tmp13        [V16    ] (  0,  0   )  struct (16) zero-ref    "Inline return value spill temp" <System.ReadOnlySpan`1[char]>
 ;  V17 tmp14        [V17,T04] (  4,  4   )     ref  ->  rcx         class-hnd exact single-def "Inlining Arg" <System.String>
 ;* V18 tmp15        [V18    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[char]>
 ;* V19 tmp16        [V19    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inline ldloca(s) first use temp" <System.ReadOnlySpan`1[char]>
-;  V20 tmp17        [V20,T16] (  2,  2   )   byref  ->  rdx         single-def "Inlining Arg"
-;  V21 tmp18        [V21,T18] (  2,  2   )     int  ->  rcx         "Inlining Arg"
+;  V20 tmp17        [V20,T20] (  2,  2   )   byref  ->  rsi         single-def "Inlining Arg"
+;  V21 tmp18        [V21,T22] (  2,  2   )     int  ->  rdx         "Inlining Arg"
 ;* V22 tmp19        [V22    ] (  0,  0   )  struct (16) zero-ref    "impAppendStmt" <System.ReadOnlySpan`1[char]>
 ;* V23 tmp20        [V23    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.ReadOnlySpan`1[char]>
-;  V24 tmp21        [V24    ] (  5,  5   )  struct (16) [rbp-0x20]  do-not-enreg[SF] must-init ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
+;  V24 tmp21        [V24    ] (  4,  4   )  struct (16) [rbp-0x20]  do-not-enreg[SF] must-init ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
 ;* V25 tmp22        [V25    ] (  0,  0   )   byref  ->  zero-ref    "Inline stloc first use temp"
-;* V26 tmp23        [V26,T29] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;* V27 tmp24        [V27    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
-;* V28 tmp25        [V28    ] (  0,  0   )  ushort  ->  zero-ref    ld-addr-op "Inline stloc first use temp"
-;* V29 tmp26        [V29    ] (  0,  0   )   byref  ->  zero-ref   
-;  V30 tmp27        [V30,T10] (  3,  3   )     int  ->  rsi         "Inlining Arg"
-;* V31 tmp28        [V31    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[char]>
-;* V32 tmp29        [V32    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
+;* V26 tmp23        [V26    ] (  0,  0   )  struct (16) zero-ref    "(ReadOnly)Span<T> for Slice" <System.ReadOnlySpan`1[char]>
+;  V27 tmp24        [V27,T08] (  3,  3   )     int  ->  rcx         "Span.Slice length"
+;* V28 tmp25        [V28    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
+;* V29 tmp26        [V29,T29] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
+;* V30 tmp27        [V30    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
+;* V31 tmp28        [V31    ] (  0,  0   )  ushort  ->  zero-ref    ld-addr-op "Inline stloc first use temp"
+;* V32 tmp29        [V32    ] (  0,  0   )   byref  ->  zero-ref   
 ;* V33 tmp30        [V33    ] (  0,  0   )  struct (16) zero-ref    "Inline return value spill temp" <System.ReadOnlySpan`1[char]>
-;  V34 tmp31        [V34    ] (  8,  8   )  struct (16) [rbp-0x30]  do-not-enreg[XSF] must-init addr-exposed ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
-;* V35 tmp32        [V35,T28] (  0,  0   )   byref  ->  zero-ref    single-def "Inline stloc first use temp"
-;* V36 tmp33        [V36,T30] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;* V37 tmp34        [V37    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
-;* V38 tmp35        [V38    ] (  0,  0   )  ushort  ->  zero-ref    ld-addr-op "Inline stloc first use temp"
-;* V39 tmp36        [V39    ] (  0,  0   )   byref  ->  zero-ref   
-;  V40 tmp37        [V40,T11] (  3,  3   )     int  ->  rdx         "Inlining Arg"
-;* V41 tmp38        [V41    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[char]>
-;* V42 tmp39        [V42    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
+;  V34 tmp31        [V34    ] (  4,  4   )  struct (16) [rbp-0x30]  do-not-enreg[SF] must-init ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
+;* V35 tmp32        [V35    ] (  0,  0   )   byref  ->  zero-ref    "Inline stloc first use temp"
+;* V36 tmp33        [V36    ] (  0,  0   )  struct (16) zero-ref    "(ReadOnly)Span<T> for Slice" <System.ReadOnlySpan`1[char]>
+;  V37 tmp34        [V37,T09] (  3,  3   )     int  ->  rdx         "Span.Slice length"
+;* V38 tmp35        [V38    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
+;* V39 tmp36        [V39,T30] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
+;* V40 tmp37        [V40    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
+;* V41 tmp38        [V41    ] (  0,  0   )  ushort  ->  zero-ref    ld-addr-op "Inline stloc first use temp"
+;* V42 tmp39        [V42    ] (  0,  0   )   byref  ->  zero-ref   
 ;* V43 tmp40        [V43    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;  V44 tmp41        [V44,T26] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
 ;* V45 tmp42        [V45    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
 ;* V46 tmp43        [V46    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
 ;* V47 tmp44        [V47    ] (  0,  0   )   byref  ->  zero-ref    single-def "impAppendStmt"
 ;* V48 tmp45        [V48    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
 ;* V49 tmp46        [V49    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[char]>
-;  V50 tmp47        [V50,T13] (  5,  2.50)   ubyte  ->  rax         "Inline return value spill temp"
+;  V50 tmp47        [V50,T12] (  5,  2.50)   ubyte  ->  rax         "Inline return value spill temp"
 ;* V51 tmp48        [V51    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
 ;* V52 tmp49        [V52    ] (  0,  0   )   byref  ->  zero-ref    single-def "Inlining Arg"
-;  V53 tmp50        [V53,T12] (  5,  2.50)   byref  ->  rdi         "field V08._reference (fldOffset=0x0)" P-INDEP
-;  V54 tmp51        [V54,T14] (  5,  2.50)     int  ->  rax         "field V08._length (fldOffset=0x8)" P-INDEP
+;  V53 tmp50        [V53,T10] (  5,  2.50)   byref  ->  rdi         "field V08._reference (fldOffset=0x0)" P-INDEP
+;  V54 tmp51        [V54,T13] (  5,  2.50)     int  ->  rax         "field V08._length (fldOffset=0x8)" P-INDEP
 ;* V55 tmp52        [V55    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V09._reference (fldOffset=0x0)" P-INDEP
 ;* V56 tmp53        [V56    ] (  0,  0   )     int  ->  zero-ref    "field V09._length (fldOffset=0x8)" P-INDEP
 ;* V57 tmp54        [V57    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V12._reference (fldOffset=0x0)" P-INDEP
 ;* V58 tmp55        [V58    ] (  0,  0   )     int  ->  zero-ref    "field V12._length (fldOffset=0x8)" P-INDEP
 ;* V59 tmp56        [V59    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V13._reference (fldOffset=0x0)" P-INDEP
 ;* V60 tmp57        [V60    ] (  0,  0   )     int  ->  zero-ref    "field V13._length (fldOffset=0x8)" P-INDEP
-;  V61 tmp58        [V61,T19] (  3,  1.50)   byref  ->  rdx         "field V16._reference (fldOffset=0x0)" P-INDEP
-;  V62 tmp59        [V62,T20] (  3,  1.50)     int  ->  rcx         "field V16._length (fldOffset=0x8)" P-INDEP
+;  V61 tmp58        [V61,T11] (  5,  2.50)   byref  ->  rsi         "field V16._reference (fldOffset=0x0)" P-INDEP
+;  V62 tmp59        [V62,T14] (  5,  2.50)     int  ->  rdx         "field V16._length (fldOffset=0x8)" P-INDEP
 ;* V63 tmp60        [V63    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V18._reference (fldOffset=0x0)" P-INDEP
 ;* V64 tmp61        [V64    ] (  0,  0   )     int  ->  zero-ref    "field V18._length (fldOffset=0x8)" P-INDEP
 ;* V65 tmp62        [V65    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V19._reference (fldOffset=0x0)" P-INDEP
 ;* V66 tmp63        [V66    ] (  0,  0   )     int  ->  zero-ref    "field V19._length (fldOffset=0x8)" P-INDEP
-;  V67 tmp64        [V67,T08] (  6,  3   )   byref  ->  rdi         "field V22._reference (fldOffset=0x0)" P-INDEP
-;  V68 tmp65        [V68,T21] (  3,  1.50)     int  ->  rsi         "field V22._length (fldOffset=0x8)" P-INDEP
+;  V67 tmp64        [V67,T06] (  6,  3   )   byref  ->  rdi         "field V22._reference (fldOffset=0x0)" P-INDEP
+;  V68 tmp65        [V68,T23] (  3,  1.50)     int  ->  rcx         "field V22._length (fldOffset=0x8)" P-INDEP
 ;* V69 tmp66        [V69    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V23._reference (fldOffset=0x0)" P-INDEP
 ;* V70 tmp67        [V70    ] (  0,  0   )     int  ->  zero-ref    "field V23._length (fldOffset=0x8)" P-INDEP
-;  V71 tmp68        [V71,T05] (  4,  3.50)   byref  ->  [rbp-0x20]  do-not-enreg[] "field V24._reference (fldOffset=0x0)" P-DEP
-;  V72 tmp69        [V72,T06] (  4,  3.50)     int  ->  [rbp-0x18]  do-not-enreg[] "field V24._length (fldOffset=0x8)" P-DEP
-;* V73 tmp70        [V73    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V27._reference (fldOffset=0x0)" P-INDEP
-;* V74 tmp71        [V74    ] (  0,  0   )     int  ->  zero-ref    "field V27._length (fldOffset=0x8)" P-INDEP
-;  V75 tmp72        [V75,T23] (  2,  1   )   byref  ->  rdi         single-def "field V31._reference (fldOffset=0x0)" P-INDEP
-;* V76 tmp73        [V76    ] (  0,  0   )     int  ->  zero-ref    "field V31._length (fldOffset=0x8)" P-INDEP
-;  V77 tmp74        [V77,T09] (  6,  3   )   byref  ->  rax         "field V33._reference (fldOffset=0x0)" P-INDEP
+;  V71 tmp68        [V71,T15] (  3,  2.50)   byref  ->  [rbp-0x20]  do-not-enreg[] "field V24._reference (fldOffset=0x0)" P-DEP
+;  V72 tmp69        [V72,T17] (  3,  2.50)     int  ->  [rbp-0x18]  do-not-enreg[] "field V24._length (fldOffset=0x8)" P-DEP
+;  V73 tmp70        [V73,T24] (  2,  1   )   byref  ->  rdi         single-def "field V26._reference (fldOffset=0x0)" P-INDEP
+;  V74 tmp71        [V74,T27] (  2,  1   )     int  ->  rcx         "field V26._length (fldOffset=0x8)" P-INDEP
+;* V75 tmp72        [V75    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V30._reference (fldOffset=0x0)" P-INDEP
+;* V76 tmp73        [V76    ] (  0,  0   )     int  ->  zero-ref    "field V30._length (fldOffset=0x8)" P-INDEP
+;  V77 tmp74        [V77,T07] (  6,  3   )   byref  ->  rsi         "field V33._reference (fldOffset=0x0)" P-INDEP
 ;  V78 tmp75        [V78,T02] ( 11,  5.50)     int  ->  rdx         "field V33._length (fldOffset=0x8)" P-INDEP
-;  V79 tmp76        [V79    ] (  5,  3.50)   byref  ->  [rbp-0x30]  do-not-enreg[X] addr-exposed "field V34._reference (fldOffset=0x0)" P-DEP
-;  V80 tmp77        [V80    ] (  5,  3.50)     int  ->  [rbp-0x28]  do-not-enreg[X] addr-exposed "field V34._length (fldOffset=0x8)" P-DEP
-;  V81 tmp78        [V81,T24] (  2,  1   )   byref  ->  rax         single-def "field V37._reference (fldOffset=0x0)" P-INDEP
-;  V82 tmp79        [V82,T27] (  2,  1   )     int  ->  rcx         "field V37._length (fldOffset=0x8)" P-INDEP
-;  V83 tmp80        [V83,T25] (  2,  1   )   byref  ->  rax         single-def "field V41._reference (fldOffset=0x0)" P-INDEP
-;* V84 tmp81        [V84    ] (  0,  0   )     int  ->  zero-ref    "field V41._length (fldOffset=0x8)" P-INDEP
+;  V79 tmp76        [V79,T16] (  3,  2.50)   byref  ->  [rbp-0x30]  do-not-enreg[] "field V34._reference (fldOffset=0x0)" P-DEP
+;  V80 tmp77        [V80,T18] (  3,  2.50)     int  ->  [rbp-0x28]  do-not-enreg[] "field V34._length (fldOffset=0x8)" P-DEP
+;  V81 tmp78        [V81,T25] (  2,  1   )   byref  ->  rsi         single-def "field V36._reference (fldOffset=0x0)" P-INDEP
+;  V82 tmp79        [V82,T28] (  2,  1   )     int  ->  rdx         "field V36._length (fldOffset=0x8)" P-INDEP
+;* V83 tmp80        [V83    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V40._reference (fldOffset=0x0)" P-INDEP
+;* V84 tmp81        [V84    ] (  0,  0   )     int  ->  zero-ref    "field V40._length (fldOffset=0x8)" P-INDEP
 ;* V85 tmp82        [V85    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V45._reference (fldOffset=0x0)" P-INDEP
 ;* V86 tmp83        [V86    ] (  0,  0   )     int  ->  zero-ref    "field V45._length (fldOffset=0x8)" P-INDEP
 ;* V87 tmp84        [V87    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V46._reference (fldOffset=0x0)" P-INDEP
 ;* V88 tmp85        [V88    ] (  0,  0   )     int  ->  zero-ref    "field V46._length (fldOffset=0x8)" P-INDEP
 ;* V89 tmp86        [V89    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V48._reference (fldOffset=0x0)" P-INDEP
 ;* V90 tmp87        [V90    ] (  0,  0   )     int  ->  zero-ref    "field V48._length (fldOffset=0x8)" P-INDEP
 ;* V91 tmp88        [V91    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V49._reference (fldOffset=0x0)" P-INDEP
 ;* V92 tmp89        [V92    ] (  0,  0   )     int  ->  zero-ref    "field V49._length (fldOffset=0x8)" P-INDEP
-;  V93 cse0         [V93,T22] (  3,  1.50)     int  ->  rax         "CSE #01: moderate"
 ;
 ; Lcl frame size = 32
 
 G_M36982_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
 						;; size=26 bbWeight=1 PerfScore 6.33
 G_M36982_IG02:
        test     rsi, rsi
-       je       G_M36982_IG19
+       je       G_M36982_IG18
 						;; size=9 bbWeight=1 PerfScore 1.25
 G_M36982_IG03:
        mov      rdi, 0xD1FFAB1E      ; System.Net.Cookie
        cmp      qword ptr [rsi], rdi
-       jne      G_M36982_IG19
+       jne      G_M36982_IG18
 						;; size=19 bbWeight=0.25 PerfScore 1.06
 G_M36982_IG04:
        mov      r15, rsi
        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_M36982_IG19
+       je       G_M36982_IG18
        mov      rdi, gword ptr [rbx+0x40]
        mov      rsi, gword ptr [r15+0x40]
        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
        test     eax, eax
-       je       G_M36982_IG19
+       je       G_M36982_IG18
        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
        test     eax, eax
-       je       G_M36982_IG19
+       je       G_M36982_IG18
        mov      rax, gword ptr [rbx+0x18]
        test     rax, rax
        je       SHORT G_M36982_IG05
        lea      rdi, bword ptr [rax+0x0C]
        mov      eax, dword ptr [rax+0x08]
        jmp      SHORT G_M36982_IG06
 						;; size=120 bbWeight=0.50 PerfScore 17.12
 G_M36982_IG05:
        xor      rdi, rdi
        xor      eax, eax
 						;; size=4 bbWeight=0.50 PerfScore 0.25
 G_M36982_IG06:
        mov      rcx, gword ptr [r15+0x18]
        test     rcx, rcx
        je       SHORT G_M36982_IG07
-       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_M36982_IG08
 						;; size=18 bbWeight=0.50 PerfScore 3.88
 G_M36982_IG07:
-       xor      rdx, rdx
-       xor      ecx, ecx
+       xor      rsi, rsi
+       xor      edx, edx
 						;; size=4 bbWeight=0.50 PerfScore 0.25
 G_M36982_IG08:
        mov      bword ptr [rbp-0x20], rdi
        mov      dword ptr [rbp-0x18], eax
        test     eax, eax
        je       SHORT G_M36982_IG09
        cmp      word  ptr [rdi], 46
        jne      SHORT G_M36982_IG09
-       mov      esi, dword ptr [rbp-0x18]
-       dec      esi
-       mov      edi, esi
-       inc      rdi
-       mov      eax, dword ptr [rbp-0x18]
-       cmp      rdi, rax
-       ja       G_M36982_IG21
+       mov      ecx, dword ptr [rbp-0x18]
+       test     ecx, ecx
+       je       G_M36982_IG20
+       dec      ecx
        mov      rdi, bword ptr [rbp-0x20]
        add      rdi, 2
        jmp      SHORT G_M36982_IG10
-						;; size=49 bbWeight=0.50 PerfScore 7.25
+						;; size=40 bbWeight=0.50 PerfScore 6.50
 G_M36982_IG09:
-       mov      esi, eax
+       mov      ecx, eax
 						;; size=2 bbWeight=0.50 PerfScore 0.12
 G_M36982_IG10:
-       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_M36982_IG11
-       cmp      word  ptr [rax], 46
-       jne      SHORT G_M36982_IG11
-       mov      eax, dword ptr [rbp-0x28]
-       lea      edx, [rax-0x01]
-       mov      ecx, edx
-       inc      rcx
-       cmp      rcx, rax
-       ja       G_M36982_IG21
-       mov      rax, bword ptr [rbp-0x30]
-       add      rax, 2
-       jmp      SHORT G_M36982_IG12
-						;; size=54 bbWeight=0.50 PerfScore 7.88
-G_M36982_IG11:
-       mov      rax, bword ptr [rbp-0x30]
-       mov      edx, dword ptr [rbp-0x28]
-						;; size=7 bbWeight=0.50 PerfScore 1.00
-G_M36982_IG12:
-       cmp      esi, edx
-       jne      SHORT G_M36982_IG19
+       mov      bword ptr [rbp-0x30], rsi
+       mov      dword ptr [rbp-0x28], edx
        test     edx, edx
-       je       SHORT G_M36982_IG17
+       je       SHORT G_M36982_IG11
+       cmp      word  ptr [rsi], 46
+       jne      SHORT G_M36982_IG11
+       mov      edx, dword ptr [rbp-0x28]
+       test     edx, edx
+       je       G_M36982_IG21
+       dec      edx
+       mov      rsi, bword ptr [rbp-0x30]
+       add      rsi, 2
+						;; size=38 bbWeight=0.50 PerfScore 5.50
+G_M36982_IG11:
+       cmp      ecx, edx
+       jne      SHORT G_M36982_IG18
+       test     edx, edx
+       je       SHORT G_M36982_IG16
        cmp      edx, 8
-       jl       SHORT G_M36982_IG15
+       jl       SHORT G_M36982_IG14
        cmp      edx, 32
-       jge      SHORT G_M36982_IG14
-       cmp      edx, 16
        jge      SHORT G_M36982_IG13
-       mov      rsi, rax
+       cmp      edx, 16
+       jge      SHORT G_M36982_IG12
        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_M36982_IG16
-						;; size=40 bbWeight=0.50 PerfScore 5.88
-G_M36982_IG13:
-       mov      rsi, rax
+       jmp      SHORT G_M36982_IG15
+						;; size=37 bbWeight=0.50 PerfScore 5.75
+G_M36982_IG12:
        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_M36982_IG16
-						;; size=17 bbWeight=0.50 PerfScore 2.75
-G_M36982_IG14:
-       mov      rsi, rax
+       jmp      SHORT G_M36982_IG15
+						;; size=14 bbWeight=0.50 PerfScore 2.62
+G_M36982_IG13:
        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_M36982_IG16
-						;; size=17 bbWeight=0.50 PerfScore 2.75
-G_M36982_IG15:
-       mov      rsi, rax
+       jmp      SHORT G_M36982_IG15
+						;; size=14 bbWeight=0.50 PerfScore 2.62
+G_M36982_IG14:
        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_M36982_IG16:
+						;; size=12 bbWeight=0.50 PerfScore 1.62
+G_M36982_IG15:
        test     eax, eax
-       je       SHORT G_M36982_IG19
+       je       SHORT G_M36982_IG18
 						;; size=4 bbWeight=0.50 PerfScore 0.62
-G_M36982_IG17:
+G_M36982_IG16:
        mov      eax, dword ptr [rbx+0x54]
        cmp      eax, dword ptr [r15+0x54]
        sete     al
        movzx    rax, al
 						;; size=13 bbWeight=0.50 PerfScore 3.12
-G_M36982_IG18:
+G_M36982_IG17:
        add      rsp, 32
        pop      rbx
        pop      r15
        pop      rbp
        ret      
 						;; size=9 bbWeight=0.50 PerfScore 1.38
-G_M36982_IG19:
+G_M36982_IG18:
        xor      eax, eax
 						;; size=2 bbWeight=0.25 PerfScore 0.06
-G_M36982_IG20:
+G_M36982_IG19:
        add      rsp, 32
        pop      rbx
        pop      r15
        pop      rbp
        ret      
 						;; size=9 bbWeight=0.25 PerfScore 0.69
-G_M36982_IG21:
-       mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentOutOfRangeException()
-       call     [rax]System.ThrowHelper:ThrowArgumentOutOfRangeException()
+G_M36982_IG20:
+       call     CORINFO_HELP_THROW_ARGUMENTOUTOFRANGEEXCEPTION
        int3     
-						;; size=13 bbWeight=0 PerfScore 0.00
+						;; size=6 bbWeight=0 PerfScore 0.00
+G_M36982_IG21:
+       call     CORINFO_HELP_THROW_ARGUMENTOUTOFRANGEEXCEPTION
+       int3     
+						;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 451, prolog size 23, PerfScore 65.40, instruction count 132, allocated bytes for code 451 (MethodHash=be106f89) for method System.Net.Cookie:Equals(System.Object):bool:this (FullOpts)
+; Total bytes of code 406, prolog size 23, PerfScore 60.77, instruction count 120, allocated bytes for code 406 (MethodHash=be106f89) for method System.Net.Cookie:Equals(System.Object):bool: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/6e28e1b342b1ec5f8fb36bf0617727be

[MihuBot]

@EgorBo