[X64] [tomeksowi] [x64][SysV] Classify empty structs for passing like padding

[MihuBot]

Job completed in 15 minutes.
dotnet/runtime#103799

Diffs

Diffs

Found 272 files with textual diffs.

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 41574989
Total bytes of diff: 41573710
Total bytes of delta: -1279 (-0.00 % of base)
Total relative delta: 2.75
    diff is an improvement.
    relative diff is a regression.


Top file regressions (bytes):
         296 : System.Private.CoreLib.dasm (0.00 % of base)
           4 : System.Text.Json.dasm (0.00 % of base)
           4 : System.ComponentModel.Annotations.dasm (0.01 % of base)

Top file improvements (bytes):
        -496 : System.Threading.Tasks.Dataflow.dasm (-0.04 % of base)
        -331 : System.Threading.RateLimiting.dasm (-0.19 % of base)
        -276 : Microsoft.Extensions.Hosting.dasm (-0.37 % of base)
        -267 : System.Threading.Tasks.Parallel.dasm (-0.10 % of base)
         -90 : System.IO.Pipelines.dasm (-0.11 % of base)
         -72 : System.Private.Xml.dasm (-0.00 % of base)
         -24 : System.Threading.Channels.dasm (-0.01 % of base)
         -24 : System.Security.Cryptography.dasm (-0.00 % of base)
          -3 : System.Formats.Tar.dasm (-0.00 % of base)

12 total files with Code Size differences (9 improved, 3 regressed), 247 unchanged.

Top method regressions (bytes):
          29 (80.56 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:EncodeToChars(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],byref,byref,ubyte):int (FullOpts)
          25 (56.82 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64:DecodeFromUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)
          25 (69.44 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64:EncodeToUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)
          25 (56.82 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:DecodeFromUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)
          25 (69.44 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:EncodeToUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)
          24 (54.55 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:DecodeFromChars(System.ReadOnlySpan`1[ushort],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)
          19 (12.93 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:EncodeToChars(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort]):int (FullOpts)
          17 (32.69 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:TryEncodeToChars(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],byref):ubyte (FullOpts)
          16 (7.37 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:DecodeFromChars(System.ReadOnlySpan`1[ushort],System.Span`1[ubyte]):int (FullOpts)
          16 (7.37 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:DecodeFromUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte]):int (FullOpts)
          16 (10.88 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:EncodeToUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte]):int (FullOpts)
          16 (6.75 % of base) : System.Private.CoreLib.dasm - System.Convert:ToBase64CharsLargeNoLineBreaks(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],int) (FullOpts)
          12 (9.23 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:TryDecodeFromChars(System.ReadOnlySpan`1[ushort],System.Span`1[ubyte],byref):ubyte (FullOpts)
          12 (9.23 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:TryDecodeFromUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref):ubyte (FullOpts)
          12 (23.08 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:TryEncodeToUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref):ubyte (FullOpts)
           7 (29.17 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64:EncodeToUtf8InPlace(System.Span`1[ubyte],int,byref):int (FullOpts)
           7 (22.58 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:TryEncodeToUtf8InPlace(System.Span`1[ubyte],int,byref):ubyte (FullOpts)
           7 (6.31 % of base) : System.Private.CoreLib.dasm - System.Reflection.Metadata.TypeNameParser:.ctor(System.ReadOnlySpan`1[ushort],ubyte,System.Nullable`1[System.Reflection.Metadata.TypeNameParseOptions]):this (FullOpts)
           6 (20.69 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64:DecodeFromUtf8InPlace(System.Span`1[ubyte],byref):int (FullOpts)
           5 (20.83 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64:IsValid(System.ReadOnlySpan`1[ubyte],byref):ubyte (FullOpts)
           5 (20.83 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64:IsValid(System.ReadOnlySpan`1[ushort],byref):ubyte (FullOpts)
           5 (20.83 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:IsValid(System.ReadOnlySpan`1[ubyte],byref):ubyte (FullOpts)
           5 (20.83 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:IsValid(System.ReadOnlySpan`1[ushort],byref):ubyte (FullOpts)
           4 (4.76 % of base) : System.ComponentModel.Annotations.dasm - System.ComponentModel.DataAnnotations.Base64StringAttribute:IsValid(System.Object):ubyte:this (FullOpts)
           3 (4.62 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url+<>c:<EncodeToString>b__22_0(System.Span`1[ushort],long):this (FullOpts)
           3 (0.88 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.ToBase64Transform:TransformBlock(ubyte[],int,int,ubyte[],int):int:this (FullOpts)
           3 (0.48 % of base) : System.Text.Json.dasm - System.Text.Json.Utf8JsonWriter:WriteBase64Indented(System.ReadOnlySpan`1[ubyte]):this (FullOpts)
           3 (0.66 % of base) : System.Text.Json.dasm - System.Text.Json.Utf8JsonWriter:WriteBase64Minimized(System.ReadOnlySpan`1[ubyte]):this (FullOpts)
           2 (7.14 % of base) : System.Private.CoreLib.dasm - System.Reflection.Metadata.TypeName:Parse(System.ReadOnlySpan`1[ushort],System.Nullable`1[System.Reflection.Metadata.TypeNameParseOptions]):System.Reflection.Metadata.TypeName (FullOpts)
           2 (0.27 % of base) : System.Text.Json.dasm - System.Text.Json.Utf8JsonWriter:WriteBase64Indented(System.ReadOnlySpan`1[ubyte],System.ReadOnlySpan`1[ubyte]):this (FullOpts)
           2 (0.26 % of base) : System.Text.Json.dasm - System.Text.Json.Utf8JsonWriter:WriteBase64Indented(System.ReadOnlySpan`1[ushort],System.ReadOnlySpan`1[ubyte]):this (FullOpts)
           2 (0.35 % of base) : System.Text.Json.dasm - System.Text.Json.Utf8JsonWriter:WriteBase64Minimized(System.ReadOnlySpan`1[ubyte],System.ReadOnlySpan`1[ubyte]):this (FullOpts)
           2 (0.34 % of base) : System.Text.Json.dasm - System.Text.Json.Utf8JsonWriter:WriteBase64Minimized(System.ReadOnlySpan`1[ushort],System.ReadOnlySpan`1[ubyte]):this (FullOpts)
           1 (0.25 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:DecodeFromChars(System.ReadOnlySpan`1[ushort]):ubyte[] (FullOpts)
           1 (0.25 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:DecodeFromUtf8(System.ReadOnlySpan`1[ubyte]):ubyte[] (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:EncodeToUtf8(System.ReadOnlySpan`1[ubyte]):ubyte[] (FullOpts)
           1 (0.53 % of base) : System.Private.CoreLib.dasm - System.Reflection.Metadata.TypeNameParser:Parse(System.ReadOnlySpan`1[ushort],ubyte,System.Nullable`1[System.Reflection.Metadata.TypeNameParseOptions]):System.Reflection.Metadata.TypeName (FullOpts)
           1 (0.45 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.FromBase64Transform:ConvertFromBase64(System.Span`1[ubyte],System.Span`1[ubyte],byref,byref):this (FullOpts)
           1 (0.16 % of base) : System.Text.Json.dasm - System.Text.Json.JsonReaderHelper:TryDecodeBase64(System.ReadOnlySpan`1[ubyte],byref):ubyte (FullOpts)

Top method improvements (bytes):
         -54 (-2.16 % of base) : Microsoft.Extensions.Hosting.dasm - Microsoft.Extensions.Hosting.Internal.Host+<ForeachService>d__17`1[System.__Canon]:MoveNext():this (FullOpts)
         -54 (-2.65 % of base) : Microsoft.Extensions.Hosting.dasm - Microsoft.Extensions.Hosting.Internal.Host+<ForeachService>d__17`1[System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -38 (-1.40 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<Heartbeat>d__23[System.__Canon,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -33 (-1.65 % of base) : Microsoft.Extensions.Hosting.dasm - Microsoft.Extensions.Hosting.Internal.Host+<ForeachService>d__17`1[double]:MoveNext():this (FullOpts)
         -33 (-1.65 % of base) : Microsoft.Extensions.Hosting.dasm - Microsoft.Extensions.Hosting.Internal.Host+<ForeachService>d__17`1[int]:MoveNext():this (FullOpts)
         -33 (-1.65 % of base) : Microsoft.Extensions.Hosting.dasm - Microsoft.Extensions.Hosting.Internal.Host+<ForeachService>d__17`1[long]:MoveNext():this (FullOpts)
         -33 (-1.65 % of base) : Microsoft.Extensions.Hosting.dasm - Microsoft.Extensions.Hosting.Internal.Host+<ForeachService>d__17`1[short]:MoveNext():this (FullOpts)
         -33 (-1.65 % of base) : Microsoft.Extensions.Hosting.dasm - Microsoft.Extensions.Hosting.Internal.Host+<ForeachService>d__17`1[ubyte]:MoveNext():this (FullOpts)
         -23 (-1.81 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__49`1+<<ForAsync>b__49_2>d[int]:MoveNext():this (FullOpts)
         -23 (-1.81 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__49`1+<<ForAsync>b__49_2>d[long]:MoveNext():this (FullOpts)
         -23 (-1.78 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__49`1+<<ForAsync>b__49_2>d[short]:MoveNext():this (FullOpts)
         -23 (-1.79 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__49`1+<<ForAsync>b__49_2>d[ubyte]:MoveNext():this (FullOpts)
         -18 (-0.89 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<DisposeAsyncCore>d__20[double,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -18 (-0.89 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<DisposeAsyncCore>d__20[int,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -18 (-0.89 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<DisposeAsyncCore>d__20[long,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -18 (-0.89 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<DisposeAsyncCore>d__20[short,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -18 (-0.89 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<DisposeAsyncCore>d__20[System.Nullable`1[int],System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -18 (-0.89 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<DisposeAsyncCore>d__20[System.Numerics.Vector`1[float],System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -18 (-0.89 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<DisposeAsyncCore>d__20[ubyte,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -17 (-2.34 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.X509Certificates.X509CertificateLoader:LoadPkcs12Collection(byref,System.ReadOnlySpan`1[ushort],int):System.Security.Cryptography.X509Certificates.X509Certificate2Collection (FullOpts)
         -17 (-0.74 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<Heartbeat>d__23[double,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -17 (-0.74 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<Heartbeat>d__23[int,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -17 (-0.74 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<Heartbeat>d__23[long,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -17 (-0.74 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<Heartbeat>d__23[short,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -17 (-0.74 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<Heartbeat>d__23[System.Nullable`1[int],System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -17 (-0.74 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<Heartbeat>d__23[System.Numerics.Vector`1[float],System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -17 (-0.74 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<Heartbeat>d__23[ubyte,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -16 (-0.67 % of base) : System.IO.Pipelines.dasm - System.IO.Pipelines.PipeReader+<CopyToAsyncCore>d__16`1[double]:MoveNext():this (FullOpts)
         -16 (-0.67 % of base) : System.IO.Pipelines.dasm - System.IO.Pipelines.PipeReader+<CopyToAsyncCore>d__16`1[long]:MoveNext():this (FullOpts)
         -16 (-0.67 % of base) : System.IO.Pipelines.dasm - System.IO.Pipelines.PipeReader+<CopyToAsyncCore>d__16`1[System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -16 (-40.00 % of base) : System.Private.CoreLib.dasm - System.IO.Stream+<>c:<BeginEndWriteAsync>b__62_1(System.IO.Stream,System.IAsyncResult):System.Threading.Tasks.VoidTaskResult:this (FullOpts)
         -13 (-0.54 % of base) : System.IO.Pipelines.dasm - System.IO.Pipelines.PipeReader+<CopyToAsyncCore>d__16`1[int]:MoveNext():this (FullOpts)
         -13 (-0.54 % of base) : System.IO.Pipelines.dasm - System.IO.Pipelines.PipeReader+<CopyToAsyncCore>d__16`1[short]:MoveNext():this (FullOpts)
         -13 (-0.54 % of base) : System.IO.Pipelines.dasm - System.IO.Pipelines.PipeReader+<CopyToAsyncCore>d__16`1[ubyte]:MoveNext():this (FullOpts)
         -13 (-0.87 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__53`1+<<ForEachAsync>b__53_0>d[double]:MoveNext():this (FullOpts)
         -13 (-0.87 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__53`1+<<ForEachAsync>b__53_0>d[int]:MoveNext():this (FullOpts)
         -13 (-0.87 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__53`1+<<ForEachAsync>b__53_0>d[long]:MoveNext():this (FullOpts)
         -13 (-0.87 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__53`1+<<ForEachAsync>b__53_0>d[short]:MoveNext():this (FullOpts)
         -13 (-0.70 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__53`1+<<ForEachAsync>b__53_0>d[System.__Canon]:MoveNext():this (FullOpts)
         -13 (-0.87 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__53`1+<<ForEachAsync>b__53_0>d[System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -13 (-0.87 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__53`1+<<ForEachAsync>b__53_0>d[ubyte]:MoveNext():this (FullOpts)
         -13 (-0.57 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__57`1+<<ForEachAsync>b__57_0>d[double]:MoveNext():this (FullOpts)
         -13 (-0.57 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__57`1+<<ForEachAsync>b__57_0>d[int]:MoveNext():this (FullOpts)
         -13 (-0.57 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__57`1+<<ForEachAsync>b__57_0>d[long]:MoveNext():this (FullOpts)
         -13 (-0.57 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__57`1+<<ForEachAsync>b__57_0>d[short]:MoveNext():this (FullOpts)
         -13 (-0.57 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__57`1+<<ForEachAsync>b__57_0>d[System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -13 (-0.57 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__57`1+<<ForEachAsync>b__57_0>d[ubyte]:MoveNext():this (FullOpts)
         -11 (-7.38 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.Common:CreateCachedTaskCompletionSource[System.Threading.Tasks.Dataflow.Internal.VoidResult]():System.Threading.Tasks.TaskCompletionSource`1[System.Threading.Tasks.Dataflow.Internal.VoidResult] (FullOpts)
         -11 (-0.49 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.TransformManyBlock`2+<StoreOutputItemsReorderedAsync>d__47[double,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -11 (-0.49 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.TransformManyBlock`2+<StoreOutputItemsReorderedAsync>d__47[int,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -11 (-0.49 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.TransformManyBlock`2+<StoreOutputItemsReorderedAsync>d__47[long,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -11 (-0.49 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.TransformManyBlock`2+<StoreOutputItemsReorderedAsync>d__47[short,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -11 (-0.49 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.TransformManyBlock`2+<StoreOutputItemsReorderedAsync>d__47[System.Nullable`1[int],System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -11 (-0.49 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.TransformManyBlock`2+<StoreOutputItemsReorderedAsync>d__47[System.Numerics.Vector`1[float],System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -11 (-0.49 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.TransformManyBlock`2+<StoreOutputItemsReorderedAsync>d__47[ubyte,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -10 (-1.19 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BroadcastBlock`1+BroadcastingSourceCore`1[double,System.Nullable`1[int]]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.19 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BroadcastBlock`1+BroadcastingSourceCore`1[int,System.Nullable`1[int]]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.19 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BroadcastBlock`1+BroadcastingSourceCore`1[long,System.Nullable`1[int]]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.19 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BroadcastBlock`1+BroadcastingSourceCore`1[short,System.Nullable`1[int]]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.19 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BroadcastBlock`1+BroadcastingSourceCore`1[System.__Canon,System.Nullable`1[int]]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.19 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BroadcastBlock`1+BroadcastingSourceCore`1[System.Nullable`1[int],System.Nullable`1[int]]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.19 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BroadcastBlock`1+BroadcastingSourceCore`1[System.Numerics.Vector`1[float],System.Nullable`1[int]]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.19 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BroadcastBlock`1+BroadcastingSourceCore`1[ubyte,System.Nullable`1[int]]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.23 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SourceCore`1[double]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.23 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SourceCore`1[int]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.23 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SourceCore`1[long]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.23 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SourceCore`1[short]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.21 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SourceCore`1[System.__Canon]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.23 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SourceCore`1[System.Nullable`1[int]]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.07 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SourceCore`1[System.Numerics.Vector`1[float]]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.23 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SourceCore`1[ubyte]:CompleteBlockOncePossible():this (FullOpts)
          -9 (-8.91 % of base) : System.Text.Json.dasm - System.Text.Json.Utf8JsonWriter:Base64EncodeAndWrite(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte]):this (FullOpts)
          -8 (-1.81 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.JoinBlockTarget`1[System.__Canon]:CompleteOncePossible():this (FullOpts)
          -6 (-3.41 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BatchBlock`1+BatchBlockTargetCore+<>c[double]:<CompleteBlockIfPossible>b__26_0(System.Object):this (FullOpts)
          -6 (-3.41 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BatchBlock`1+BatchBlockTargetCore+<>c[int]:<CompleteBlockIfPossible>b__26_0(System.Object):this (FullOpts)
          -6 (-3.41 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BatchBlock`1+BatchBlockTargetCore+<>c[long]:<CompleteBlockIfPossible>b__26_0(System.Object):this (FullOpts)
          -6 (-3.41 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BatchBlock`1+BatchBlockTargetCore+<>c[short]:<CompleteBlockIfPossible>b__26_0(System.Object):this (FullOpts)
          -6 (-3.41 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BatchBlock`1+BatchBlockTargetCore+<>c[System.Nullable`1[int]]:<CompleteBlockIfPossible>b__26_0(System.Object):this (FullOpts)
          -6 (-3.41 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BatchBlock`1+BatchBlockTargetCore+<>c[System.Numerics.Vector`1[float]]:<CompleteBlockIfPossible>b__26_0(System.Object):this (FullOpts)
          -6 (-3.41 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BatchBlock`1+BatchBlockTargetCore+<>c[ubyte]:<CompleteBlockIfPossible>b__26_0(System.Object):this (FullOpts)
          -6 (-0.82 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.WriteOnceBlock`1[double]:CompleteBlock(System.Collections.Generic.IList`1[System.Exception]):this (FullOpts)
          -6 (-0.82 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.WriteOnceBlock`1[int]:CompleteBlock(System.Collections.Generic.IList`1[System.Exception]):this (FullOpts)
          -6 (-0.82 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.WriteOnceBlock`1[long]:CompleteBlock(System.Collections.Generic.IList`1[System.Exception]):this (FullOpts)
          -6 (-0.82 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.WriteOnceBlock`1[short]:CompleteBlock(System.Collections.Generic.IList`1[System.Exception]):this (FullOpts)
          -6 (-0.82 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.WriteOnceBlock`1[System.__Canon]:CompleteBlock(System.Collections.Generic.IList`1[System.Exception]):this (FullOpts)
          -6 (-0.82 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.WriteOnceBlock`1[System.Nullable`1[int]]:CompleteBlock(System.Collections.Generic.IList`1[System.Exception]):this (FullOpts)
          -6 (-0.82 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.WriteOnceBlock`1[System.Numerics.Vector`1[float]]:CompleteBlock(System.Collections.Generic.IList`1[System.Exception]):this (FullOpts)
          -6 (-0.82 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.WriteOnceBlock`1[ubyte]:CompleteBlock(System.Collections.Generic.IList`1[System.Exception]):this (FullOpts)
          -5 (-1.77 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.PemEncoding:TryCountBase64(System.ReadOnlySpan`1[ushort],byref,byref,byref):ubyte (FullOpts)
          -5 (-1.18 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.X509Certificates.X509CertificateLoader:LoadPkcs12(byref,System.ReadOnlySpan`1[ushort],int):System.Security.Cryptography.X509Certificates.X509CertificateLoader+Pkcs12Return (FullOpts)
          -5 (-1.36 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.JoinBlockTarget`1[double]:CompleteOncePossible():this (FullOpts)
          -5 (-1.36 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.JoinBlockTarget`1[int]:CompleteOncePossible():this (FullOpts)
          -5 (-1.36 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.JoinBlockTarget`1[long]:CompleteOncePossible():this (FullOpts)
          -5 (-1.36 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.JoinBlockTarget`1[short]:CompleteOncePossible():this (FullOpts)
          -5 (-1.36 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.JoinBlockTarget`1[System.Nullable`1[int]]:CompleteOncePossible():this (FullOpts)
          -5 (-1.36 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.JoinBlockTarget`1[System.Numerics.Vector`1[float]]:CompleteOncePossible():this (FullOpts)
          -5 (-1.36 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.JoinBlockTarget`1[ubyte]:CompleteOncePossible():this (FullOpts)
          -5 (-1.52 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SpscTargetCore`1[double]:CompleteBlockOncePossible():this (FullOpts)
          -5 (-1.52 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SpscTargetCore`1[int]:CompleteBlockOncePossible():this (FullOpts)
          -5 (-1.52 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SpscTargetCore`1[long]:CompleteBlockOncePossible():this (FullOpts)

Top method regressions (percentages):
          29 (80.56 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:EncodeToChars(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],byref,byref,ubyte):int (FullOpts)
          25 (69.44 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64:EncodeToUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)
          25 (69.44 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:EncodeToUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)
          25 (56.82 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64:DecodeFromUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)
          25 (56.82 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:DecodeFromUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)
          24 (54.55 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:DecodeFromChars(System.ReadOnlySpan`1[ushort],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)
          17 (32.69 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:TryEncodeToChars(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],byref):ubyte (FullOpts)
           7 (29.17 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64:EncodeToUtf8InPlace(System.Span`1[ubyte],int,byref):int (FullOpts)
          12 (23.08 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:TryEncodeToUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref):ubyte (FullOpts)
           7 (22.58 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:TryEncodeToUtf8InPlace(System.Span`1[ubyte],int,byref):ubyte (FullOpts)
           5 (20.83 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64:IsValid(System.ReadOnlySpan`1[ubyte],byref):ubyte (FullOpts)
           5 (20.83 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64:IsValid(System.ReadOnlySpan`1[ushort],byref):ubyte (FullOpts)
           5 (20.83 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:IsValid(System.ReadOnlySpan`1[ubyte],byref):ubyte (FullOpts)
           5 (20.83 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:IsValid(System.ReadOnlySpan`1[ushort],byref):ubyte (FullOpts)
           6 (20.69 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64:DecodeFromUtf8InPlace(System.Span`1[ubyte],byref):int (FullOpts)
          19 (12.93 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:EncodeToChars(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort]):int (FullOpts)
          16 (10.88 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:EncodeToUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte]):int (FullOpts)
          12 (9.23 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:TryDecodeFromChars(System.ReadOnlySpan`1[ushort],System.Span`1[ubyte],byref):ubyte (FullOpts)
          12 (9.23 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:TryDecodeFromUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref):ubyte (FullOpts)
          16 (7.37 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:DecodeFromChars(System.ReadOnlySpan`1[ushort],System.Span`1[ubyte]):int (FullOpts)
          16 (7.37 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:DecodeFromUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte]):int (FullOpts)
           2 (7.14 % of base) : System.Private.CoreLib.dasm - System.Reflection.Metadata.TypeName:Parse(System.ReadOnlySpan`1[ushort],System.Nullable`1[System.Reflection.Metadata.TypeNameParseOptions]):System.Reflection.Metadata.TypeName (FullOpts)
          16 (6.75 % of base) : System.Private.CoreLib.dasm - System.Convert:ToBase64CharsLargeNoLineBreaks(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],int) (FullOpts)
           7 (6.31 % of base) : System.Private.CoreLib.dasm - System.Reflection.Metadata.TypeNameParser:.ctor(System.ReadOnlySpan`1[ushort],ubyte,System.Nullable`1[System.Reflection.Metadata.TypeNameParseOptions]):this (FullOpts)
           4 (4.76 % of base) : System.ComponentModel.Annotations.dasm - System.ComponentModel.DataAnnotations.Base64StringAttribute:IsValid(System.Object):ubyte:this (FullOpts)
           3 (4.62 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url+<>c:<EncodeToString>b__22_0(System.Span`1[ushort],long):this (FullOpts)
           3 (0.88 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.ToBase64Transform:TransformBlock(ubyte[],int,int,ubyte[],int):int:this (FullOpts)
           1 (0.87 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:EncodeToUtf8(System.ReadOnlySpan`1[ubyte]):ubyte[] (FullOpts)
           3 (0.66 % of base) : System.Text.Json.dasm - System.Text.Json.Utf8JsonWriter:WriteBase64Minimized(System.ReadOnlySpan`1[ubyte]):this (FullOpts)
           1 (0.53 % of base) : System.Private.CoreLib.dasm - System.Reflection.Metadata.TypeNameParser:Parse(System.ReadOnlySpan`1[ushort],ubyte,System.Nullable`1[System.Reflection.Metadata.TypeNameParseOptions]):System.Reflection.Metadata.TypeName (FullOpts)
           3 (0.48 % of base) : System.Text.Json.dasm - System.Text.Json.Utf8JsonWriter:WriteBase64Indented(System.ReadOnlySpan`1[ubyte]):this (FullOpts)
           1 (0.45 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.FromBase64Transform:ConvertFromBase64(System.Span`1[ubyte],System.Span`1[ubyte],byref,byref):this (FullOpts)
           2 (0.35 % of base) : System.Text.Json.dasm - System.Text.Json.Utf8JsonWriter:WriteBase64Minimized(System.ReadOnlySpan`1[ubyte],System.ReadOnlySpan`1[ubyte]):this (FullOpts)
           2 (0.34 % of base) : System.Text.Json.dasm - System.Text.Json.Utf8JsonWriter:WriteBase64Minimized(System.ReadOnlySpan`1[ushort],System.ReadOnlySpan`1[ubyte]):this (FullOpts)
           2 (0.27 % of base) : System.Text.Json.dasm - System.Text.Json.Utf8JsonWriter:WriteBase64Indented(System.ReadOnlySpan`1[ubyte],System.ReadOnlySpan`1[ubyte]):this (FullOpts)
           2 (0.26 % of base) : System.Text.Json.dasm - System.Text.Json.Utf8JsonWriter:WriteBase64Indented(System.ReadOnlySpan`1[ushort],System.ReadOnlySpan`1[ubyte]):this (FullOpts)
           1 (0.25 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:DecodeFromChars(System.ReadOnlySpan`1[ushort]):ubyte[] (FullOpts)
           1 (0.25 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:DecodeFromUtf8(System.ReadOnlySpan`1[ubyte]):ubyte[] (FullOpts)
           1 (0.16 % of base) : System.Text.Json.dasm - System.Text.Json.JsonReaderHelper:TryDecodeBase64(System.ReadOnlySpan`1[ubyte],byref):ubyte (FullOpts)

Top method improvements (percentages):
          -4 (-57.14 % of base) : System.Private.CoreLib.dasm - System.Runtime.CompilerServices.YieldAwaitable:GetAwaiter():System.Runtime.CompilerServices.YieldAwaitable+YieldAwaiter:this (FullOpts)
          -4 (-57.14 % of base) : System.Private.CoreLib.dasm - System.Threading.Tasks.Task:Yield():System.Runtime.CompilerServices.YieldAwaitable (FullOpts)
          -4 (-57.14 % of base) : System.Private.CoreLib.dasm - System.ValueTuple:Create():System.ValueTuple (FullOpts)
         -16 (-40.00 % of base) : System.Private.CoreLib.dasm - System.IO.Stream+<>c:<BeginEndWriteAsync>b__62_1(System.IO.Stream,System.IAsyncResult):System.Threading.Tasks.VoidTaskResult:this (FullOpts)
          -9 (-8.91 % of base) : System.Text.Json.dasm - System.Text.Json.Utf8JsonWriter:Base64EncodeAndWrite(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte]):this (FullOpts)
         -11 (-7.38 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.Common:CreateCachedTaskCompletionSource[System.Threading.Tasks.Dataflow.Internal.VoidResult]():System.Threading.Tasks.TaskCompletionSource`1[System.Threading.Tasks.Dataflow.Internal.VoidResult] (FullOpts)
          -2 (-6.25 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64:IsValid(System.ReadOnlySpan`1[ubyte]):ubyte (FullOpts)
          -2 (-6.25 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64:IsValid(System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
          -2 (-6.25 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:IsValid(System.ReadOnlySpan`1[ubyte]):ubyte (FullOpts)
          -2 (-6.25 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:IsValid(System.ReadOnlySpan`1[ushort]):ubyte (FullOpts)
          -6 (-3.41 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BatchBlock`1+BatchBlockTargetCore+<>c[double]:<CompleteBlockIfPossible>b__26_0(System.Object):this (FullOpts)
          -6 (-3.41 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BatchBlock`1+BatchBlockTargetCore+<>c[int]:<CompleteBlockIfPossible>b__26_0(System.Object):this (FullOpts)
          -6 (-3.41 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BatchBlock`1+BatchBlockTargetCore+<>c[long]:<CompleteBlockIfPossible>b__26_0(System.Object):this (FullOpts)
          -6 (-3.41 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BatchBlock`1+BatchBlockTargetCore+<>c[short]:<CompleteBlockIfPossible>b__26_0(System.Object):this (FullOpts)
          -6 (-3.41 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BatchBlock`1+BatchBlockTargetCore+<>c[System.Nullable`1[int]]:<CompleteBlockIfPossible>b__26_0(System.Object):this (FullOpts)
          -6 (-3.41 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BatchBlock`1+BatchBlockTargetCore+<>c[System.Numerics.Vector`1[float]]:<CompleteBlockIfPossible>b__26_0(System.Object):this (FullOpts)
          -6 (-3.41 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BatchBlock`1+BatchBlockTargetCore+<>c[ubyte]:<CompleteBlockIfPossible>b__26_0(System.Object):this (FullOpts)
         -54 (-2.65 % of base) : Microsoft.Extensions.Hosting.dasm - Microsoft.Extensions.Hosting.Internal.Host+<ForeachService>d__17`1[System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -17 (-2.34 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.X509Certificates.X509CertificateLoader:LoadPkcs12Collection(byref,System.ReadOnlySpan`1[ushort],int):System.Security.Cryptography.X509Certificates.X509Certificate2Collection (FullOpts)
         -54 (-2.16 % of base) : Microsoft.Extensions.Hosting.dasm - Microsoft.Extensions.Hosting.Internal.Host+<ForeachService>d__17`1[System.__Canon]:MoveNext():this (FullOpts)
          -8 (-1.81 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.JoinBlockTarget`1[System.__Canon]:CompleteOncePossible():this (FullOpts)
         -23 (-1.81 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__49`1+<<ForAsync>b__49_2>d[int]:MoveNext():this (FullOpts)
         -23 (-1.81 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__49`1+<<ForAsync>b__49_2>d[long]:MoveNext():this (FullOpts)
         -23 (-1.79 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__49`1+<<ForAsync>b__49_2>d[ubyte]:MoveNext():this (FullOpts)
         -23 (-1.78 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__49`1+<<ForAsync>b__49_2>d[short]:MoveNext():this (FullOpts)
          -5 (-1.77 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.PemEncoding:TryCountBase64(System.ReadOnlySpan`1[ushort],byref,byref,byref):ubyte (FullOpts)
         -33 (-1.65 % of base) : Microsoft.Extensions.Hosting.dasm - Microsoft.Extensions.Hosting.Internal.Host+<ForeachService>d__17`1[int]:MoveNext():this (FullOpts)
         -33 (-1.65 % of base) : Microsoft.Extensions.Hosting.dasm - Microsoft.Extensions.Hosting.Internal.Host+<ForeachService>d__17`1[short]:MoveNext():this (FullOpts)
         -33 (-1.65 % of base) : Microsoft.Extensions.Hosting.dasm - Microsoft.Extensions.Hosting.Internal.Host+<ForeachService>d__17`1[ubyte]:MoveNext():this (FullOpts)
         -33 (-1.65 % of base) : Microsoft.Extensions.Hosting.dasm - Microsoft.Extensions.Hosting.Internal.Host+<ForeachService>d__17`1[double]:MoveNext():this (FullOpts)
         -33 (-1.65 % of base) : Microsoft.Extensions.Hosting.dasm - Microsoft.Extensions.Hosting.Internal.Host+<ForeachService>d__17`1[long]:MoveNext():this (FullOpts)
          -5 (-1.52 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SpscTargetCore`1[double]:CompleteBlockOncePossible():this (FullOpts)
          -5 (-1.52 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SpscTargetCore`1[int]:CompleteBlockOncePossible():this (FullOpts)
          -5 (-1.52 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SpscTargetCore`1[long]:CompleteBlockOncePossible():this (FullOpts)
          -5 (-1.52 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SpscTargetCore`1[short]:CompleteBlockOncePossible():this (FullOpts)
          -5 (-1.52 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SpscTargetCore`1[System.Nullable`1[int]]:CompleteBlockOncePossible():this (FullOpts)
          -5 (-1.52 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SpscTargetCore`1[ubyte]:CompleteBlockOncePossible():this (FullOpts)
          -5 (-1.50 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SpscTargetCore`1[System.__Canon]:CompleteBlockOncePossible():this (FullOpts)
         -38 (-1.40 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<Heartbeat>d__23[System.__Canon,System.Nullable`1[int]]:MoveNext():this (FullOpts)
          -5 (-1.36 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.JoinBlockTarget`1[double]:CompleteOncePossible():this (FullOpts)
          -5 (-1.36 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.JoinBlockTarget`1[int]:CompleteOncePossible():this (FullOpts)
          -5 (-1.36 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.JoinBlockTarget`1[long]:CompleteOncePossible():this (FullOpts)
          -5 (-1.36 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.JoinBlockTarget`1[short]:CompleteOncePossible():this (FullOpts)
          -5 (-1.36 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.JoinBlockTarget`1[System.Nullable`1[int]]:CompleteOncePossible():this (FullOpts)
          -5 (-1.36 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.JoinBlockTarget`1[System.Numerics.Vector`1[float]]:CompleteOncePossible():this (FullOpts)
          -5 (-1.36 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.JoinBlockTarget`1[ubyte]:CompleteOncePossible():this (FullOpts)
          -3 (-1.27 % of base) : System.Private.CoreLib.dasm - System.Reflection.TypeNameResolver:GetType(System.String,ubyte,ubyte,System.Reflection.Assembly):System.Type (FullOpts)
          -3 (-1.25 % of base) : System.Private.CoreLib.dasm - System.Reflection.TypeNameResolver:GetTypeReferencedByCustomAttribute(System.String,System.Reflection.RuntimeModule):System.RuntimeType (FullOpts)
         -10 (-1.23 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SourceCore`1[double]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.23 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SourceCore`1[int]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.23 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SourceCore`1[long]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.23 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SourceCore`1[short]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.23 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SourceCore`1[System.Nullable`1[int]]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.23 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SourceCore`1[ubyte]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.21 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SourceCore`1[System.__Canon]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.19 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BroadcastBlock`1+BroadcastingSourceCore`1[double,System.Nullable`1[int]]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.19 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BroadcastBlock`1+BroadcastingSourceCore`1[int,System.Nullable`1[int]]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.19 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BroadcastBlock`1+BroadcastingSourceCore`1[long,System.Nullable`1[int]]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.19 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BroadcastBlock`1+BroadcastingSourceCore`1[short,System.Nullable`1[int]]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.19 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BroadcastBlock`1+BroadcastingSourceCore`1[System.__Canon,System.Nullable`1[int]]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.19 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BroadcastBlock`1+BroadcastingSourceCore`1[System.Nullable`1[int],System.Nullable`1[int]]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.19 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BroadcastBlock`1+BroadcastingSourceCore`1[System.Numerics.Vector`1[float],System.Nullable`1[int]]:CompleteBlockOncePossible():this (FullOpts)
         -10 (-1.19 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BroadcastBlock`1+BroadcastingSourceCore`1[ubyte,System.Nullable`1[int]]:CompleteBlockOncePossible():this (FullOpts)
          -5 (-1.18 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SpscTargetCore`1[System.Numerics.Vector`1[float]]:CompleteBlockOncePossible():this (FullOpts)
          -5 (-1.18 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.X509Certificates.X509CertificateLoader:LoadPkcs12(byref,System.ReadOnlySpan`1[ushort],int):System.Security.Cryptography.X509Certificates.X509CertificateLoader+Pkcs12Return (FullOpts)
         -10 (-1.07 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.Internal.SourceCore`1[System.Numerics.Vector`1[float]]:CompleteBlockOncePossible():this (FullOpts)
          -3 (-1.06 % of base) : System.Private.CoreLib.dasm - System.Reflection.TypeNameResolver:GetType(System.String,System.Func`2[System.Reflection.AssemblyName,System.Reflection.Assembly],System.Func`4[System.Reflection.Assembly,System.String,ubyte,System.Type],System.Reflection.Assembly,ubyte,ubyte,ubyte):System.Type (FullOpts)
          -3 (-1.05 % of base) : System.Private.CoreLib.dasm - System.Reflection.TypeNameResolver:GetTypeHelper(ulong,System.Reflection.RuntimeAssembly,ubyte,ubyte):System.RuntimeType (FullOpts)
          -3 (-1.05 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.BatchBlock`1+BatchBlockTargetCore+<>c[System.__Canon]:<CompleteBlockIfPossible>b__26_0(System.Object):this (FullOpts)
         -18 (-0.89 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<DisposeAsyncCore>d__20[double,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -18 (-0.89 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<DisposeAsyncCore>d__20[int,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -18 (-0.89 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<DisposeAsyncCore>d__20[long,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -18 (-0.89 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<DisposeAsyncCore>d__20[short,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -18 (-0.89 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<DisposeAsyncCore>d__20[System.Nullable`1[int],System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -18 (-0.89 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<DisposeAsyncCore>d__20[System.Numerics.Vector`1[float],System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -18 (-0.89 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<DisposeAsyncCore>d__20[ubyte,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -13 (-0.87 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__53`1+<<ForEachAsync>b__53_0>d[int]:MoveNext():this (FullOpts)
         -13 (-0.87 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__53`1+<<ForEachAsync>b__53_0>d[short]:MoveNext():this (FullOpts)
         -13 (-0.87 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__53`1+<<ForEachAsync>b__53_0>d[ubyte]:MoveNext():this (FullOpts)
          -2 (-0.87 % of base) : System.Text.Json.dasm - System.Text.Json.JsonReaderHelper:TryDecodeBase64InPlace(System.Span`1[ubyte],byref):ubyte (FullOpts)
         -13 (-0.87 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__53`1+<<ForEachAsync>b__53_0>d[long]:MoveNext():this (FullOpts)
         -13 (-0.87 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__53`1+<<ForEachAsync>b__53_0>d[System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -13 (-0.87 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__53`1+<<ForEachAsync>b__53_0>d[double]:MoveNext():this (FullOpts)
          -1 (-0.85 % of base) : System.Private.CoreLib.dasm - System.Buffers.Text.Base64Url:EncodeToChars(System.ReadOnlySpan`1[ubyte]):ushort[] (FullOpts)
          -6 (-0.82 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.WriteOnceBlock`1[double]:CompleteBlock(System.Collections.Generic.IList`1[System.Exception]):this (FullOpts)
          -6 (-0.82 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.WriteOnceBlock`1[int]:CompleteBlock(System.Collections.Generic.IList`1[System.Exception]):this (FullOpts)
          -6 (-0.82 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.WriteOnceBlock`1[long]:CompleteBlock(System.Collections.Generic.IList`1[System.Exception]):this (FullOpts)
          -6 (-0.82 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.WriteOnceBlock`1[short]:CompleteBlock(System.Collections.Generic.IList`1[System.Exception]):this (FullOpts)
          -6 (-0.82 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.WriteOnceBlock`1[System.__Canon]:CompleteBlock(System.Collections.Generic.IList`1[System.Exception]):this (FullOpts)
          -6 (-0.82 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.WriteOnceBlock`1[System.Nullable`1[int]]:CompleteBlock(System.Collections.Generic.IList`1[System.Exception]):this (FullOpts)
          -6 (-0.82 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.WriteOnceBlock`1[System.Numerics.Vector`1[float]]:CompleteBlock(System.Collections.Generic.IList`1[System.Exception]):this (FullOpts)
          -6 (-0.82 % of base) : System.Threading.Tasks.Dataflow.dasm - System.Threading.Tasks.Dataflow.WriteOnceBlock`1[ubyte]:CompleteBlock(System.Collections.Generic.IList`1[System.Exception]):this (FullOpts)
         -17 (-0.74 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<Heartbeat>d__23[double,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -17 (-0.74 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<Heartbeat>d__23[int,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -17 (-0.74 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<Heartbeat>d__23[long,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -17 (-0.74 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<Heartbeat>d__23[short,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -17 (-0.74 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<Heartbeat>d__23[System.Nullable`1[int],System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -17 (-0.74 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<Heartbeat>d__23[System.Numerics.Vector`1[float],System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -17 (-0.74 % of base) : System.Threading.RateLimiting.dasm - System.Threading.RateLimiting.DefaultPartitionedRateLimiter`2+<Heartbeat>d__23[ubyte,System.Nullable`1[int]]:MoveNext():this (FullOpts)
         -13 (-0.70 % of base) : System.Threading.Tasks.Parallel.dasm - System.Threading.Tasks.Parallel+<>c__53`1+<<ForEachAsync>b__53_0>d[System.__Canon]:MoveNext():this (FullOpts)

236 total methods with Code Size differences (197 improved, 39 regressed), 251996 unchanged.

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

Artifacts:

• build-artifacts-main.zip (648 MB)
• build-clr-checked-main.zip (85 MB)
• build-artifacts-pr.zip (649 MB)
• build-clr-checked-pr.zip (85 MB)
• diff-frameworks.txt (53 KB)
• jit-diffs-frameworks.zip (275 MB)

[MihuBot]

Top method regressions

29 (80.56 % of base) - System.Buffers.Text.Base64Url:EncodeToChars(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],byref,byref,ubyte):int

 ; Assembly listing for method System.Buffers.Text.Base64Url:EncodeToChars(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],byref,byref,ubyte):int (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX512 - Unix
 ; FullOpts code
 ; optimized code
 ; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 1 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 arg0         [V00    ] (  0,  0   )  struct (16) zero-ref    multireg-arg single-def <System.ReadOnlySpan`1[ubyte]>
 ;* V01 arg1         [V01    ] (  0,  0   )  struct (16) zero-ref    multireg-arg single-def <System.Span`1[ushort]>
-;  V02 arg2         [V02,T00] (  3,  3   )   byref  ->   r8         single-def
+;  V02 arg2         [V02,T00] (  3,  3   )   byref  ->  rax         single-def
 ;  V03 arg3         [V03,T01] (  3,  3   )   byref  ->   r9         single-def
 ;  V04 arg4         [V04,T11] (  1,  1   )   ubyte  ->  [rsp+0x20]  single-def
 ;* V05 loc0         [V05    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op <System.Buffers.Text.Base64Url+Base64UrlEncoderChar>
 ;  V06 OutArgs      [V06    ] (  1,  1   )  struct (16) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;* V07 tmp1         [V07,T10] (  0,  0   )  struct ( 8) zero-ref    do-not-enreg[S] "impAppendStmt" <System.Buffers.Text.Base64Url+Base64UrlEncoderChar>
 ;* V08 tmp2         [V08    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.Span`1[ushort]>
 ;* V09 tmp3         [V09    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V10 tmp4         [V10    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V11 tmp5         [V11    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[ushort]>
 ;* V12 tmp6         [V12    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;  V13 tmp7         [V13,T08] (  2,  2   )     int  ->  rcx         "Inline stloc first use temp"
 ;* V14 tmp8         [V14    ] (  0,  0   )  struct (16) zero-ref    multireg-arg ld-addr-op "NewObj constructor temp" <System.Span`1[ushort]>
 ;* V15 tmp9         [V15    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
 ;  V16 tmp10        [V16,T02] (  2,  2   )   byref  ->  rdi         single-def "field V00._reference (fldOffset=0x0)" P-INDEP
-;  V17 tmp11        [V17,T04] (  2,  2   )     int  ->  rsi         single-def "field V00._length (fldOffset=0x8)" P-INDEP
+;  V17 tmp11        [V17,T04] (  2,  2   )     int  ->   r8         single-def "field V00._length (fldOffset=0x8)" P-INDEP
 ;  V18 tmp12        [V18,T03] (  2,  2   )   byref  ->  rdx         single-def "field V01._reference (fldOffset=0x0)" P-INDEP
 ;  V19 tmp13        [V19,T05] (  2,  2   )     int  ->  rcx         single-def "field V01._length (fldOffset=0x8)" P-INDEP
 ;* V20 tmp14        [V20    ] (  0,  0   )   byref  ->  zero-ref    "field V08._reference (fldOffset=0x0)" P-INDEP
 ;* V21 tmp15        [V21    ] (  0,  0   )     int  ->  zero-ref    "field V08._length (fldOffset=0x8)" P-INDEP
 ;  V22 tmp16        [V22,T06] (  2,  2   )   byref  ->  rdx         single-def "field V11._reference (fldOffset=0x0)" P-INDEP
 ;* V23 tmp17        [V23    ] (  0,  0   )     int  ->  zero-ref    "field V11._length (fldOffset=0x8)" P-INDEP
-;  V24 tmp18        [V24,T07] (  2,  2   )   byref  ->  rdx         single-def "field V14._reference (fldOffset=0x0)" P-INDEP
-;  V25 tmp19        [V25,T09] (  2,  2   )     int  ->  rcx         "field V14._length (fldOffset=0x8)" P-INDEP
+;  V24 tmp18        [V24,T07] (  2,  2   )   byref  ->  r10         single-def "field V14._reference (fldOffset=0x0)" P-INDEP
+;  V25 tmp19        [V25,T09] (  2,  2   )     int  ->  r11         "field V14._length (fldOffset=0x8)" P-INDEP
 ;
 ; Lcl frame size = 24
 
 G_M58470_IG01:
        sub      rsp, 24
-						;; size=4 bbWeight=1 PerfScore 0.25
+       mov      rax, r8
+       mov      r8d, esi
+						;; size=10 bbWeight=1 PerfScore 0.75
 G_M58470_IG02:
-       xor      eax, eax
-       mov      dword ptr [rsp], eax
-       movzx    rax, byte  ptr [rsp+0x20]
-       mov      dword ptr [rsp+0x08], eax
+       mov      r10, rdx
+       mov      r11d, ecx
+       mov      bword ptr [rsp], r9
+       movzx    rsi, byte  ptr [rsp+0x20]
+       mov      dword ptr [rsp+0x08], esi
+       mov      rsi, rdi
+       mov      edx, r8d
+       mov      rcx, r10
+       mov      r8d, r11d
+       xor      edi, edi
+       mov      r9, rax
        mov      rax, 0xD1FFAB1E      ; code for System.Buffers.Text.Base64Helper:EncodeTo[System.Buffers.Text.Base64Url+Base64UrlEncoderChar,ushort](System.Buffers.Text.Base64Url+Base64UrlEncoderChar,System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],byref,byref,ubyte):int
        call     [rax]System.Buffers.Text.Base64Helper:EncodeTo[System.Buffers.Text.Base64Url+Base64UrlEncoderChar,ushort](System.Buffers.Text.Base64Url+Base64UrlEncoderChar,System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],byref,byref,ubyte):int
        nop      
-						;; size=27 bbWeight=1 PerfScore 6.75
+						;; size=50 bbWeight=1 PerfScore 8.50
 G_M58470_IG03:
        add      rsp, 24
        ret      
 						;; size=5 bbWeight=1 PerfScore 1.25
 
-; Total bytes of code 36, prolog size 4, PerfScore 8.25, instruction count 10, allocated bytes for code 36 (MethodHash=35af1b99) for method System.Buffers.Text.Base64Url:EncodeToChars(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],byref,byref,ubyte):int (FullOpts)
+; Total bytes of code 65, prolog size 4, PerfScore 10.50, instruction count 19, allocated bytes for code 65 (MethodHash=35af1b99) for method System.Buffers.Text.Base64Url:EncodeToChars(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],byref,byref,ubyte):int (FullOpts)

25 (56.82 % of base) - System.Buffers.Text.Base64:DecodeFromUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int

 ; Assembly listing for method System.Buffers.Text.Base64:DecodeFromUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX512 - Unix
 ; FullOpts code
 ; optimized code
 ; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; Final local variable assignments
 ;
 ;* V00 arg0         [V00    ] (  0,  0   )  struct (16) zero-ref    multireg-arg single-def <System.ReadOnlySpan`1[ubyte]>
 ;* V01 arg1         [V01    ] (  0,  0   )  struct (16) zero-ref    multireg-arg single-def <System.Span`1[ubyte]>
-;  V02 arg2         [V02,T00] (  3,  3   )   byref  ->   r8         single-def
+;  V02 arg2         [V02,T00] (  3,  3   )   byref  ->  rax         single-def
 ;  V03 arg3         [V03,T01] (  3,  3   )   byref  ->   r9         single-def
 ;  V04 arg4         [V04,T06] (  1,  1   )   ubyte  ->  [rsp+0x20]  single-def
 ;* V05 loc0         [V05,T07] (  0,  0   )  struct ( 8) zero-ref    do-not-enreg[S] ld-addr-op <System.Buffers.Text.Base64Helper+Base64DecoderByte>
 ;  V06 OutArgs      [V06    ] (  1,  1   )  struct (24) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;  V07 tmp1         [V07,T02] (  2,  2   )   byref  ->  rdi         single-def "field V00._reference (fldOffset=0x0)" P-INDEP
-;  V08 tmp2         [V08,T04] (  2,  2   )     int  ->  rsi         single-def "field V00._length (fldOffset=0x8)" P-INDEP
-;  V09 tmp3         [V09,T03] (  2,  2   )   byref  ->  rdx         single-def "field V01._reference (fldOffset=0x0)" P-INDEP
-;  V10 tmp4         [V10,T05] (  2,  2   )     int  ->  rcx         single-def "field V01._length (fldOffset=0x8)" P-INDEP
+;  V08 tmp2         [V08,T04] (  2,  2   )     int  ->  rdx         single-def "field V00._length (fldOffset=0x8)" P-INDEP
+;  V09 tmp3         [V09,T03] (  2,  2   )   byref  ->   r8         single-def "field V01._reference (fldOffset=0x0)" P-INDEP
+;  V10 tmp4         [V10,T05] (  2,  2   )     int  ->  r10         single-def "field V01._length (fldOffset=0x8)" P-INDEP
 ;
 ; Lcl frame size = 24
 
 G_M8518_IG01:
        sub      rsp, 24
-						;; size=4 bbWeight=1 PerfScore 0.25
+       mov      r10d, ecx
+       mov      rax, r8
+       mov      r8, rdx
+       mov      edx, esi
+						;; size=15 bbWeight=1 PerfScore 1.25
 G_M8518_IG02:
-       xor      eax, eax
-       mov      dword ptr [rsp], eax
-       movzx    rax, byte  ptr [rsp+0x20]
-       mov      dword ptr [rsp+0x08], eax
+       mov      bword ptr [rsp], r9
+       movzx    rsi, byte  ptr [rsp+0x20]
+       mov      dword ptr [rsp+0x08], esi
        mov      dword ptr [rsp+0x10], 1
+       mov      rsi, rdi
+       mov      rcx, r8
+       mov      r8d, r10d
+       xor      edi, edi
+       mov      r9, rax
        mov      rax, 0xD1FFAB1E      ; code for System.Buffers.Text.Base64Helper:DecodeFrom[System.Buffers.Text.Base64Helper+Base64DecoderByte,ubyte](System.Buffers.Text.Base64Helper+Base64DecoderByte,System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte,ubyte):int
        call     [rax]System.Buffers.Text.Base64Helper:DecodeFrom[System.Buffers.Text.Base64Helper+Base64DecoderByte,ubyte](System.Buffers.Text.Base64Helper+Base64DecoderByte,System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte,ubyte):int
        nop      
-						;; size=35 bbWeight=1 PerfScore 7.75
+						;; size=49 bbWeight=1 PerfScore 8.75
 G_M8518_IG03:
        add      rsp, 24
        ret      
 						;; size=5 bbWeight=1 PerfScore 1.25
 
-; Total bytes of code 44, prolog size 4, PerfScore 9.25, instruction count 11, allocated bytes for code 44 (MethodHash=b7d5deb9) for method System.Buffers.Text.Base64:DecodeFromUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)
+; Total bytes of code 69, prolog size 4, PerfScore 11.25, instruction count 19, allocated bytes for code 69 (MethodHash=b7d5deb9) for method System.Buffers.Text.Base64:DecodeFromUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)

25 (69.44 % of base) - System.Buffers.Text.Base64:EncodeToUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int

 ; Assembly listing for method System.Buffers.Text.Base64:EncodeToUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX512 - Unix
 ; FullOpts code
 ; optimized code
 ; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; Final local variable assignments
 ;
 ;* V00 arg0         [V00    ] (  0,  0   )  struct (16) zero-ref    multireg-arg single-def <System.ReadOnlySpan`1[ubyte]>
 ;* V01 arg1         [V01    ] (  0,  0   )  struct (16) zero-ref    multireg-arg single-def <System.Span`1[ubyte]>
-;  V02 arg2         [V02,T00] (  3,  3   )   byref  ->   r8         single-def
+;  V02 arg2         [V02,T00] (  3,  3   )   byref  ->  rax         single-def
 ;  V03 arg3         [V03,T01] (  3,  3   )   byref  ->   r9         single-def
 ;  V04 arg4         [V04,T06] (  1,  1   )   ubyte  ->  [rsp+0x20]  single-def
 ;* V05 loc0         [V05,T07] (  0,  0   )  struct ( 8) zero-ref    do-not-enreg[S] ld-addr-op <System.Buffers.Text.Base64Helper+Base64EncoderByte>
 ;  V06 OutArgs      [V06    ] (  1,  1   )  struct (16) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;  V07 tmp1         [V07,T02] (  2,  2   )   byref  ->  rdi         single-def "field V00._reference (fldOffset=0x0)" P-INDEP
-;  V08 tmp2         [V08,T04] (  2,  2   )     int  ->  rsi         single-def "field V00._length (fldOffset=0x8)" P-INDEP
-;  V09 tmp3         [V09,T03] (  2,  2   )   byref  ->  rdx         single-def "field V01._reference (fldOffset=0x0)" P-INDEP
-;  V10 tmp4         [V10,T05] (  2,  2   )     int  ->  rcx         single-def "field V01._length (fldOffset=0x8)" P-INDEP
+;  V08 tmp2         [V08,T04] (  2,  2   )     int  ->  rdx         single-def "field V00._length (fldOffset=0x8)" P-INDEP
+;  V09 tmp3         [V09,T03] (  2,  2   )   byref  ->   r8         single-def "field V01._reference (fldOffset=0x0)" P-INDEP
+;  V10 tmp4         [V10,T05] (  2,  2   )     int  ->  r10         single-def "field V01._length (fldOffset=0x8)" P-INDEP
 ;
 ; Lcl frame size = 24
 
 G_M52705_IG01:
        sub      rsp, 24
-						;; size=4 bbWeight=1 PerfScore 0.25
+       mov      r10d, ecx
+       mov      rax, r8
+       mov      r8, rdx
+       mov      edx, esi
+						;; size=15 bbWeight=1 PerfScore 1.25
 G_M52705_IG02:
-       xor      eax, eax
-       mov      dword ptr [rsp], eax
-       movzx    rax, byte  ptr [rsp+0x20]
-       mov      dword ptr [rsp+0x08], eax
+       mov      bword ptr [rsp], r9
+       movzx    rsi, byte  ptr [rsp+0x20]
+       mov      dword ptr [rsp+0x08], esi
+       mov      rsi, rdi
+       mov      rcx, r8
+       mov      r8d, r10d
+       xor      edi, edi
+       mov      r9, rax
        mov      rax, 0xD1FFAB1E      ; code for System.Buffers.Text.Base64Helper:EncodeTo[System.Buffers.Text.Base64Helper+Base64EncoderByte,ubyte](System.Buffers.Text.Base64Helper+Base64EncoderByte,System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int
        call     [rax]System.Buffers.Text.Base64Helper:EncodeTo[System.Buffers.Text.Base64Helper+Base64EncoderByte,ubyte](System.Buffers.Text.Base64Helper+Base64EncoderByte,System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int
        nop      
-						;; size=27 bbWeight=1 PerfScore 6.75
+						;; size=41 bbWeight=1 PerfScore 7.75
 G_M52705_IG03:
        add      rsp, 24
        ret      
 						;; size=5 bbWeight=1 PerfScore 1.25
 
-; Total bytes of code 36, prolog size 4, PerfScore 8.25, instruction count 10, allocated bytes for code 36 (MethodHash=4c9f321e) for method System.Buffers.Text.Base64:EncodeToUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)
+; Total bytes of code 61, prolog size 4, PerfScore 10.25, instruction count 18, allocated bytes for code 61 (MethodHash=4c9f321e) for method System.Buffers.Text.Base64:EncodeToUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)

25 (56.82 % of base) - System.Buffers.Text.Base64Url:DecodeFromUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int

 ; Assembly listing for method System.Buffers.Text.Base64Url:DecodeFromUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX512 - Unix
 ; FullOpts code
 ; optimized code
 ; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; Final local variable assignments
 ;
 ;* V00 arg0         [V00    ] (  0,  0   )  struct (16) zero-ref    multireg-arg single-def <System.ReadOnlySpan`1[ubyte]>
 ;* V01 arg1         [V01    ] (  0,  0   )  struct (16) zero-ref    multireg-arg single-def <System.Span`1[ubyte]>
-;  V02 arg2         [V02,T00] (  3,  3   )   byref  ->   r8         single-def
+;  V02 arg2         [V02,T00] (  3,  3   )   byref  ->  rax         single-def
 ;  V03 arg3         [V03,T01] (  3,  3   )   byref  ->   r9         single-def
 ;  V04 arg4         [V04,T06] (  1,  1   )   ubyte  ->  [rsp+0x20]  single-def
 ;* V05 loc0         [V05,T07] (  0,  0   )  struct ( 8) zero-ref    do-not-enreg[S] ld-addr-op <System.Buffers.Text.Base64Url+Base64UrlDecoderByte>
 ;  V06 OutArgs      [V06    ] (  1,  1   )  struct (24) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;  V07 tmp1         [V07,T02] (  2,  2   )   byref  ->  rdi         single-def "field V00._reference (fldOffset=0x0)" P-INDEP
-;  V08 tmp2         [V08,T04] (  2,  2   )     int  ->  rsi         single-def "field V00._length (fldOffset=0x8)" P-INDEP
-;  V09 tmp3         [V09,T03] (  2,  2   )   byref  ->  rdx         single-def "field V01._reference (fldOffset=0x0)" P-INDEP
-;  V10 tmp4         [V10,T05] (  2,  2   )     int  ->  rcx         single-def "field V01._length (fldOffset=0x8)" P-INDEP
+;  V08 tmp2         [V08,T04] (  2,  2   )     int  ->  rdx         single-def "field V00._length (fldOffset=0x8)" P-INDEP
+;  V09 tmp3         [V09,T03] (  2,  2   )   byref  ->   r8         single-def "field V01._reference (fldOffset=0x0)" P-INDEP
+;  V10 tmp4         [V10,T05] (  2,  2   )     int  ->  r10         single-def "field V01._length (fldOffset=0x8)" P-INDEP
 ;
 ; Lcl frame size = 24
 
 G_M48173_IG01:
        sub      rsp, 24
-						;; size=4 bbWeight=1 PerfScore 0.25
+       mov      r10d, ecx
+       mov      rax, r8
+       mov      r8, rdx
+       mov      edx, esi
+						;; size=15 bbWeight=1 PerfScore 1.25
 G_M48173_IG02:
-       xor      eax, eax
-       mov      dword ptr [rsp], eax
-       movzx    rax, byte  ptr [rsp+0x20]
-       mov      dword ptr [rsp+0x08], eax
+       mov      bword ptr [rsp], r9
+       movzx    rsi, byte  ptr [rsp+0x20]
+       mov      dword ptr [rsp+0x08], esi
        mov      dword ptr [rsp+0x10], 1
+       mov      rsi, rdi
+       mov      rcx, r8
+       mov      r8d, r10d
+       xor      edi, edi
+       mov      r9, rax
        mov      rax, 0xD1FFAB1E      ; code for System.Buffers.Text.Base64Helper:DecodeFrom[System.Buffers.Text.Base64Url+Base64UrlDecoderByte,ubyte](System.Buffers.Text.Base64Url+Base64UrlDecoderByte,System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte,ubyte):int
        call     [rax]System.Buffers.Text.Base64Helper:DecodeFrom[System.Buffers.Text.Base64Url+Base64UrlDecoderByte,ubyte](System.Buffers.Text.Base64Url+Base64UrlDecoderByte,System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte,ubyte):int
        nop      
-						;; size=35 bbWeight=1 PerfScore 7.75
+						;; size=49 bbWeight=1 PerfScore 8.75
 G_M48173_IG03:
        add      rsp, 24
        ret      
 						;; size=5 bbWeight=1 PerfScore 1.25
 
-; Total bytes of code 44, prolog size 4, PerfScore 9.25, instruction count 11, allocated bytes for code 44 (MethodHash=282b43d2) for method System.Buffers.Text.Base64Url:DecodeFromUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)
+; Total bytes of code 69, prolog size 4, PerfScore 11.25, instruction count 19, allocated bytes for code 69 (MethodHash=282b43d2) for method System.Buffers.Text.Base64Url:DecodeFromUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)

25 (69.44 % of base) - System.Buffers.Text.Base64Url:EncodeToUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int

 ; Assembly listing for method System.Buffers.Text.Base64Url:EncodeToUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX512 - Unix
 ; FullOpts code
 ; optimized code
 ; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; Final local variable assignments
 ;
 ;* V00 arg0         [V00    ] (  0,  0   )  struct (16) zero-ref    multireg-arg single-def <System.ReadOnlySpan`1[ubyte]>
 ;* V01 arg1         [V01    ] (  0,  0   )  struct (16) zero-ref    multireg-arg single-def <System.Span`1[ubyte]>
-;  V02 arg2         [V02,T00] (  3,  3   )   byref  ->   r8         single-def
+;  V02 arg2         [V02,T00] (  3,  3   )   byref  ->  rax         single-def
 ;  V03 arg3         [V03,T01] (  3,  3   )   byref  ->   r9         single-def
 ;  V04 arg4         [V04,T06] (  1,  1   )   ubyte  ->  [rsp+0x20]  single-def
 ;* V05 loc0         [V05,T07] (  0,  0   )  struct ( 8) zero-ref    do-not-enreg[S] ld-addr-op <System.Buffers.Text.Base64Url+Base64UrlEncoderByte>
 ;  V06 OutArgs      [V06    ] (  1,  1   )  struct (16) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;  V07 tmp1         [V07,T02] (  2,  2   )   byref  ->  rdi         single-def "field V00._reference (fldOffset=0x0)" P-INDEP
-;  V08 tmp2         [V08,T04] (  2,  2   )     int  ->  rsi         single-def "field V00._length (fldOffset=0x8)" P-INDEP
-;  V09 tmp3         [V09,T03] (  2,  2   )   byref  ->  rdx         single-def "field V01._reference (fldOffset=0x0)" P-INDEP
-;  V10 tmp4         [V10,T05] (  2,  2   )     int  ->  rcx         single-def "field V01._length (fldOffset=0x8)" P-INDEP
+;  V08 tmp2         [V08,T04] (  2,  2   )     int  ->  rdx         single-def "field V00._length (fldOffset=0x8)" P-INDEP
+;  V09 tmp3         [V09,T03] (  2,  2   )   byref  ->   r8         single-def "field V01._reference (fldOffset=0x0)" P-INDEP
+;  V10 tmp4         [V10,T05] (  2,  2   )     int  ->  r10         single-def "field V01._length (fldOffset=0x8)" P-INDEP
 ;
 ; Lcl frame size = 24
 
 G_M54922_IG01:
        sub      rsp, 24
-						;; size=4 bbWeight=1 PerfScore 0.25
+       mov      r10d, ecx
+       mov      rax, r8
+       mov      r8, rdx
+       mov      edx, esi
+						;; size=15 bbWeight=1 PerfScore 1.25
 G_M54922_IG02:
-       xor      eax, eax
-       mov      dword ptr [rsp], eax
-       movzx    rax, byte  ptr [rsp+0x20]
-       mov      dword ptr [rsp+0x08], eax
+       mov      bword ptr [rsp], r9
+       movzx    rsi, byte  ptr [rsp+0x20]
+       mov      dword ptr [rsp+0x08], esi
+       mov      rsi, rdi
+       mov      rcx, r8
+       mov      r8d, r10d
+       xor      edi, edi
+       mov      r9, rax
        mov      rax, 0xD1FFAB1E      ; code for System.Buffers.Text.Base64Helper:EncodeTo[System.Buffers.Text.Base64Url+Base64UrlEncoderByte,ubyte](System.Buffers.Text.Base64Url+Base64UrlEncoderByte,System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int
        call     [rax]System.Buffers.Text.Base64Helper:EncodeTo[System.Buffers.Text.Base64Url+Base64UrlEncoderByte,ubyte](System.Buffers.Text.Base64Url+Base64UrlEncoderByte,System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int
        nop      
-						;; size=27 bbWeight=1 PerfScore 6.75
+						;; size=41 bbWeight=1 PerfScore 7.75
 G_M54922_IG03:
        add      rsp, 24
        ret      
 						;; size=5 bbWeight=1 PerfScore 1.25
 
-; Total bytes of code 36, prolog size 4, PerfScore 8.25, instruction count 10, allocated bytes for code 36 (MethodHash=70502975) for method System.Buffers.Text.Base64Url:EncodeToUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)
+; Total bytes of code 61, prolog size 4, PerfScore 10.25, instruction count 18, allocated bytes for code 61 (MethodHash=70502975) for method System.Buffers.Text.Base64Url:EncodeToUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)

24 (54.55 % of base) - System.Buffers.Text.Base64Url:DecodeFromChars(System.ReadOnlySpan`1[ushort],System.Span`1[ubyte],byref,byref,ubyte):int

 ; Assembly listing for method System.Buffers.Text.Base64Url:DecodeFromChars(System.ReadOnlySpan`1[ushort],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX512 - Unix
 ; FullOpts code
 ; optimized code
 ; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 2 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 arg0         [V00    ] (  0,  0   )  struct (16) zero-ref    multireg-arg single-def <System.ReadOnlySpan`1[ushort]>
 ;* V01 arg1         [V01    ] (  0,  0   )  struct (16) zero-ref    multireg-arg single-def <System.Span`1[ubyte]>
-;  V02 arg2         [V02,T00] (  3,  3   )   byref  ->   r8         single-def
+;  V02 arg2         [V02,T00] (  3,  3   )   byref  ->  rax         single-def
 ;  V03 arg3         [V03,T01] (  3,  3   )   byref  ->   r9         single-def
 ;  V04 arg4         [V04,T11] (  1,  1   )   ubyte  ->  [rsp+0x20]  single-def
 ;* V05 loc0         [V05    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op <System.Buffers.Text.Base64Url+Base64UrlDecoderChar>
 ;  V06 OutArgs      [V06    ] (  1,  1   )  struct (24) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;* V07 tmp1         [V07,T10] (  0,  0   )  struct ( 8) zero-ref    do-not-enreg[S] "impAppendStmt" <System.Buffers.Text.Base64Url+Base64UrlDecoderChar>
 ;* V08 tmp2         [V08    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.ReadOnlySpan`1[ushort]>
 ;* V09 tmp3         [V09    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V10 tmp4         [V10    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V11 tmp5         [V11    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[ushort]>
 ;* V12 tmp6         [V12    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
-;  V13 tmp7         [V13,T08] (  2,  2   )     int  ->  rsi         "Inline stloc first use temp"
+;  V13 tmp7         [V13,T08] (  2,  2   )     int  ->  rdx         "Inline stloc first use temp"
 ;* V14 tmp8         [V14    ] (  0,  0   )  struct (16) zero-ref    multireg-arg ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[ushort]>
 ;* V15 tmp9         [V15    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[ushort]>
 ;* V16 tmp10        [V16    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
 ;  V17 tmp11        [V17,T02] (  2,  2   )   byref  ->  rdi         single-def "field V00._reference (fldOffset=0x0)" P-INDEP
 ;  V18 tmp12        [V18,T04] (  2,  2   )     int  ->  rsi         single-def "field V00._length (fldOffset=0x8)" P-INDEP
-;  V19 tmp13        [V19,T03] (  2,  2   )   byref  ->  rdx         single-def "field V01._reference (fldOffset=0x0)" P-INDEP
-;  V20 tmp14        [V20,T05] (  2,  2   )     int  ->  rcx         single-def "field V01._length (fldOffset=0x8)" P-INDEP
+;  V19 tmp13        [V19,T03] (  2,  2   )   byref  ->   r8         single-def "field V01._reference (fldOffset=0x0)" P-INDEP
+;  V20 tmp14        [V20,T05] (  2,  2   )     int  ->  r10         single-def "field V01._length (fldOffset=0x8)" P-INDEP
 ;* V21 tmp15        [V21    ] (  0,  0   )   byref  ->  zero-ref    "field V08._reference (fldOffset=0x0)" P-INDEP
 ;* V22 tmp16        [V22    ] (  0,  0   )     int  ->  zero-ref    "field V08._length (fldOffset=0x8)" P-INDEP
 ;  V23 tmp17        [V23,T06] (  2,  2   )   byref  ->  rdi         single-def "field V11._reference (fldOffset=0x0)" P-INDEP
 ;* V24 tmp18        [V24    ] (  0,  0   )     int  ->  zero-ref    "field V11._length (fldOffset=0x8)" P-INDEP
-;  V25 tmp19        [V25,T07] (  2,  2   )   byref  ->  rdi         single-def "field V14._reference (fldOffset=0x0)" P-INDEP
-;  V26 tmp20        [V26,T09] (  2,  2   )     int  ->  rsi         "field V14._length (fldOffset=0x8)" P-INDEP
+;  V25 tmp19        [V25,T07] (  2,  2   )   byref  ->  rsi         single-def "field V14._reference (fldOffset=0x0)" P-INDEP
+;  V26 tmp20        [V26,T09] (  2,  2   )     int  ->  rdx         "field V14._length (fldOffset=0x8)" P-INDEP
 ;* V27 tmp21        [V27    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V15._reference (fldOffset=0x0)" P-INDEP
 ;* V28 tmp22        [V28    ] (  0,  0   )     int  ->  zero-ref    "field V15._length (fldOffset=0x8)" P-INDEP
 ;
 ; Lcl frame size = 24
 
 G_M25697_IG01:
        sub      rsp, 24
-						;; size=4 bbWeight=1 PerfScore 0.25
+       mov      r10d, ecx
+       mov      rax, r8
+       mov      r8, rdx
+						;; size=13 bbWeight=1 PerfScore 1.00
 G_M25697_IG02:
-       xor      eax, eax
-       mov      dword ptr [rsp], eax
-       movzx    rax, byte  ptr [rsp+0x20]
-       mov      dword ptr [rsp+0x08], eax
+       mov      edx, esi
+       mov      rsi, rdi
+       mov      bword ptr [rsp], r9
+       movzx    rcx, byte  ptr [rsp+0x20]
+       mov      dword ptr [rsp+0x08], ecx
        mov      dword ptr [rsp+0x10], 1
+       mov      rcx, r8
+       mov      r8d, r10d
+       xor      edi, edi
+       mov      r9, rax
        mov      rax, 0xD1FFAB1E      ; code for System.Buffers.Text.Base64Helper:DecodeFrom[System.Buffers.Text.Base64Url+Base64UrlDecoderChar,ushort](System.Buffers.Text.Base64Url+Base64UrlDecoderChar,System.ReadOnlySpan`1[ushort],System.Span`1[ubyte],byref,byref,ubyte,ubyte):int
        call     [rax]System.Buffers.Text.Base64Helper:DecodeFrom[System.Buffers.Text.Base64Url+Base64UrlDecoderChar,ushort](System.Buffers.Text.Base64Url+Base64UrlDecoderChar,System.ReadOnlySpan`1[ushort],System.Span`1[ubyte],byref,byref,ubyte,ubyte):int
        nop      
-						;; size=35 bbWeight=1 PerfScore 7.75
+						;; size=50 bbWeight=1 PerfScore 9.00
 G_M25697_IG03:
        add      rsp, 24
        ret      
 						;; size=5 bbWeight=1 PerfScore 1.25
 
-; Total bytes of code 44, prolog size 4, PerfScore 9.25, instruction count 11, allocated bytes for code 44 (MethodHash=37ff9b9e) for method System.Buffers.Text.Base64Url:DecodeFromChars(System.ReadOnlySpan`1[ushort],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)
+; Total bytes of code 68, prolog size 4, PerfScore 11.25, instruction count 19, allocated bytes for code 68 (MethodHash=37ff9b9e) for method System.Buffers.Text.Base64Url:DecodeFromChars(System.ReadOnlySpan`1[ushort],System.Span`1[ubyte],byref,byref,ubyte):int (FullOpts)

19 (12.93 % of base) - System.Buffers.Text.Base64Url:EncodeToChars(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort]):int

 ; Assembly listing for method System.Buffers.Text.Base64Url:EncodeToChars(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort]):int (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX512 - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 2 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 arg0         [V00    ] (  0,  0   )  struct (16) zero-ref    multireg-arg single-def <System.ReadOnlySpan`1[ubyte]>
 ;* V01 arg1         [V01    ] (  0,  0   )  struct (16) zero-ref    multireg-arg single-def <System.Span`1[ushort]>
 ;  V02 loc0         [V02    ] (  2,  2   )     int  ->  [rbp-0x18]  do-not-enreg[X] addr-exposed ld-addr-op
 ;  V03 loc1         [V03    ] (  1,  1   )     int  ->  [rbp-0x20]  do-not-enreg[X] addr-exposed ld-addr-op
 ;  V04 OutArgs      [V04    ] (  1,  1   )  struct (16) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;  V05 tmp1         [V05,T09] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.ArgumentException>
 ;* V06 tmp2         [V06    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "Inline ldloca(s) first use temp" <System.Buffers.Text.Base64Url+Base64UrlEncoderChar>
 ;* V07 tmp3         [V07,T08] (  0,  0   )  struct ( 8) zero-ref    do-not-enreg[S] "impAppendStmt" <System.Buffers.Text.Base64Url+Base64UrlEncoderChar>
 ;* V08 tmp4         [V08    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.Span`1[ushort]>
 ;* V09 tmp5         [V09    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V10 tmp6         [V10    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V11 tmp7         [V11    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[ushort]>
 ;* V12 tmp8         [V12    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;  V13 tmp9         [V13,T06] (  2,  2   )     int  ->  rcx         "Inline stloc first use temp"
 ;* V14 tmp10        [V14    ] (  0,  0   )  struct (16) zero-ref    multireg-arg ld-addr-op "NewObj constructor temp" <System.Span`1[ushort]>
 ;* V15 tmp11        [V15    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
 ;  V16 tmp12        [V16,T00] (  2,  2   )   byref  ->  rdi         single-def "field V00._reference (fldOffset=0x0)" P-INDEP
-;  V17 tmp13        [V17,T02] (  2,  2   )     int  ->  rsi         single-def "field V00._length (fldOffset=0x8)" P-INDEP
+;  V17 tmp13        [V17,T02] (  2,  2   )     int  ->   r8         single-def "field V00._length (fldOffset=0x8)" P-INDEP
 ;  V18 tmp14        [V18,T01] (  2,  2   )   byref  ->  rdx         single-def "field V01._reference (fldOffset=0x0)" P-INDEP
 ;  V19 tmp15        [V19,T03] (  2,  2   )     int  ->  rcx         single-def "field V01._length (fldOffset=0x8)" P-INDEP
 ;* V20 tmp16        [V20    ] (  0,  0   )   byref  ->  zero-ref    "field V08._reference (fldOffset=0x0)" P-INDEP
 ;* V21 tmp17        [V21    ] (  0,  0   )     int  ->  zero-ref    "field V08._length (fldOffset=0x8)" P-INDEP
 ;  V22 tmp18        [V22,T04] (  2,  2   )   byref  ->  rdx         single-def "field V11._reference (fldOffset=0x0)" P-INDEP
 ;* V23 tmp19        [V23    ] (  0,  0   )     int  ->  zero-ref    "field V11._length (fldOffset=0x8)" P-INDEP
-;  V24 tmp20        [V24,T05] (  2,  2   )   byref  ->  rdx         single-def "field V14._reference (fldOffset=0x0)" P-INDEP
-;  V25 tmp21        [V25,T07] (  2,  2   )     int  ->  rcx         "field V14._length (fldOffset=0x8)" P-INDEP
+;  V24 tmp20        [V24,T05] (  2,  2   )   byref  ->   r9         single-def "field V14._reference (fldOffset=0x0)" P-INDEP
+;  V25 tmp21        [V25,T07] (  2,  2   )     int  ->  rax         "field V14._length (fldOffset=0x8)" P-INDEP
 ;  V26 tmp22        [V26,T10] (  2,  0   )     ref  ->  r15         single-def "argument with side effect"
 ;  V27 tmp23        [V27,T11] (  2,  0   )     ref  ->  rdx         single-def "argument with side effect"
 ;
 ; Lcl frame size = 32
 
 G_M64917_IG01:
        push     rbp
        push     r15
        push     rbx
        sub      rsp, 32
        lea      rbp, [rsp+0x30]
-						;; size=13 bbWeight=1 PerfScore 3.75
+       mov      r8d, esi
+						;; size=16 bbWeight=1 PerfScore 4.00
 G_M64917_IG02:
-       xor      r9d, r9d
-       mov      dword ptr [rsp], r9d
+       mov      r9, rdx
+       mov      eax, ecx
+       lea      rsi, [rbp-0x18]
+       mov      qword ptr [rsp], rsi
        mov      dword ptr [rsp+0x08], 1
-       lea      r9, [rbp-0x18]
-       lea      r8, [rbp-0x20]
+       mov      rsi, rdi
+       mov      edx, r8d
+       mov      rcx, r9
+       mov      r8d, eax
+       lea      r9, [rbp-0x20]
+       xor      edi, edi
        mov      rax, 0xD1FFAB1E      ; code for System.Buffers.Text.Base64Helper:EncodeTo[System.Buffers.Text.Base64Url+Base64UrlEncoderChar,ushort](System.Buffers.Text.Base64Url+Base64UrlEncoderChar,System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],byref,byref,ubyte):int
        call     [rax]System.Buffers.Text.Base64Helper:EncodeTo[System.Buffers.Text.Base64Url+Base64UrlEncoderChar,ushort](System.Buffers.Text.Base64Url+Base64UrlEncoderChar,System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],byref,byref,ubyte):int
        test     eax, eax
        jne      SHORT G_M64917_IG04
        mov      eax, dword ptr [rbp-0x18]
-						;; size=42 bbWeight=1 PerfScore 8.75
+						;; size=58 bbWeight=1 PerfScore 10.25
 G_M64917_IG03:
        add      rsp, 32
        pop      rbx
        pop      r15
        pop      rbp
        ret      
 						;; size=9 bbWeight=1 PerfScore 2.75
 G_M64917_IG04:
        mov      rdi, 0xD1FFAB1E      ; System.ArgumentException
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rax, 0xD1FFAB1E      ; code for System.SR:get_Argument_DestinationTooShort():System.String
        call     [rax]System.SR:get_Argument_DestinationTooShort():System.String
        mov      r15, rax
        mov      edi, 0xD61
        mov      rsi, 0xD1FFAB1E
        call     CORINFO_HELP_STRCNS
        mov      rdx, rax
        mov      rsi, r15
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.ArgumentException:.ctor(System.String,System.String):this
        call     [rax]System.ArgumentException:.ctor(System.String,System.String):this
        mov      rdi, rbx
        call     CORINFO_HELP_THROW
        int3     
 						;; size=83 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 147, prolog size 13, PerfScore 15.25, instruction count 37, allocated bytes for code 147 (MethodHash=2dd0026a) for method System.Buffers.Text.Base64Url:EncodeToChars(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort]):int (FullOpts)
+; Total bytes of code 166, prolog size 13, PerfScore 17.00, instruction count 44, allocated bytes for code 166 (MethodHash=2dd0026a) for method System.Buffers.Text.Base64Url:EncodeToChars(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort]):int (FullOpts)

17 (32.69 % of base) - System.Buffers.Text.Base64Url:TryEncodeToChars(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],byref):ubyte

 ; Assembly listing for method System.Buffers.Text.Base64Url:TryEncodeToChars(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],byref):ubyte (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX512 - Unix
 ; FullOpts code
 ; optimized code
 ; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 2 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 arg0         [V00    ] (  0,  0   )  struct (16) zero-ref    multireg-arg single-def <System.ReadOnlySpan`1[ubyte]>
 ;* V01 arg1         [V01    ] (  0,  0   )  struct (16) zero-ref    multireg-arg single-def <System.Span`1[ushort]>
-;  V02 arg2         [V02,T00] (  3,  3   )   byref  ->   r9         single-def
+;  V02 arg2         [V02,T00] (  3,  3   )   byref  ->   r8         single-def
 ;  V03 loc0         [V03    ] (  1,  1   )     int  ->  [rsp+0x10]  do-not-enreg[X] addr-exposed ld-addr-op
 ;  V04 OutArgs      [V04    ] (  1,  1   )  struct (16) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;* V05 tmp1         [V05    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "Inline ldloca(s) first use temp" <System.Buffers.Text.Base64Url+Base64UrlEncoderChar>
 ;* V06 tmp2         [V06,T09] (  0,  0   )  struct ( 8) zero-ref    do-not-enreg[S] "impAppendStmt" <System.Buffers.Text.Base64Url+Base64UrlEncoderChar>
 ;* V07 tmp3         [V07    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.Span`1[ushort]>
 ;* V08 tmp4         [V08    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V09 tmp5         [V09    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V10 tmp6         [V10    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[ushort]>
 ;* V11 tmp7         [V11    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;  V12 tmp8         [V12,T07] (  2,  2   )     int  ->  rcx         "Inline stloc first use temp"
 ;* V13 tmp9         [V13    ] (  0,  0   )  struct (16) zero-ref    multireg-arg ld-addr-op "NewObj constructor temp" <System.Span`1[ushort]>
 ;* V14 tmp10        [V14    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
 ;  V15 tmp11        [V15,T01] (  2,  2   )   byref  ->  rdi         single-def "field V00._reference (fldOffset=0x0)" P-INDEP
-;  V16 tmp12        [V16,T03] (  2,  2   )     int  ->  rsi         single-def "field V00._length (fldOffset=0x8)" P-INDEP
+;  V16 tmp12        [V16,T03] (  2,  2   )     int  ->   r9         single-def "field V00._length (fldOffset=0x8)" P-INDEP
 ;  V17 tmp13        [V17,T02] (  2,  2   )   byref  ->  rdx         single-def "field V01._reference (fldOffset=0x0)" P-INDEP
 ;  V18 tmp14        [V18,T04] (  2,  2   )     int  ->  rcx         single-def "field V01._length (fldOffset=0x8)" P-INDEP
 ;* V19 tmp15        [V19    ] (  0,  0   )   byref  ->  zero-ref    "field V07._reference (fldOffset=0x0)" P-INDEP
 ;* V20 tmp16        [V20    ] (  0,  0   )     int  ->  zero-ref    "field V07._length (fldOffset=0x8)" P-INDEP
 ;  V21 tmp17        [V21,T05] (  2,  2   )   byref  ->  rdx         single-def "field V10._reference (fldOffset=0x0)" P-INDEP
 ;* V22 tmp18        [V22    ] (  0,  0   )     int  ->  zero-ref    "field V10._length (fldOffset=0x8)" P-INDEP
-;  V23 tmp19        [V23,T06] (  2,  2   )   byref  ->  rdx         single-def "field V13._reference (fldOffset=0x0)" P-INDEP
-;  V24 tmp20        [V24,T08] (  2,  2   )     int  ->  rcx         "field V13._length (fldOffset=0x8)" P-INDEP
+;  V23 tmp19        [V23,T06] (  2,  2   )   byref  ->  rax         single-def "field V13._reference (fldOffset=0x0)" P-INDEP
+;  V24 tmp20        [V24,T08] (  2,  2   )     int  ->  r10         "field V13._length (fldOffset=0x8)" P-INDEP
 ;
 ; Lcl frame size = 24
 
 G_M24288_IG01:
        sub      rsp, 24
-       mov      r9, r8
+       mov      r9d, esi
 						;; size=7 bbWeight=1 PerfScore 0.50
 G_M24288_IG02:
-       xor      r8d, r8d
-       mov      dword ptr [rsp], r8d
+       mov      rax, rdx
+       mov      r10d, ecx
+       mov      bword ptr [rsp], r8
        mov      dword ptr [rsp+0x08], 1
-       lea      r8, [rsp+0x10]
+       mov      rsi, rdi
+       mov      edx, r9d
+       mov      rcx, rax
+       mov      r8d, r10d
+       lea      r9, [rsp+0x10]
+       xor      edi, edi
        mov      rax, 0xD1FFAB1E      ; code for System.Buffers.Text.Base64Helper:EncodeTo[System.Buffers.Text.Base64Url+Base64UrlEncoderChar,ushort](System.Buffers.Text.Base64Url+Base64UrlEncoderChar,System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],byref,byref,ubyte):int
        call     [rax]System.Buffers.Text.Base64Helper:EncodeTo[System.Buffers.Text.Base64Url+Base64UrlEncoderChar,ushort](System.Buffers.Text.Base64Url+Base64UrlEncoderChar,System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],byref,byref,ubyte):int
        test     eax, eax
        sete     al
        movzx    rax, al
-						;; size=40 bbWeight=1 PerfScore 7.50
+						;; size=57 bbWeight=1 PerfScore 9.00
 G_M24288_IG03:
        add      rsp, 24
        ret      
 						;; size=5 bbWeight=1 PerfScore 1.25
 
-; Total bytes of code 52, prolog size 4, PerfScore 9.25, instruction count 13, allocated bytes for code 52 (MethodHash=64f2a11f) for method System.Buffers.Text.Base64Url:TryEncodeToChars(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],byref):ubyte (FullOpts)
+; Total bytes of code 69, prolog size 4, PerfScore 10.75, instruction count 19, allocated bytes for code 69 (MethodHash=64f2a11f) for method System.Buffers.Text.Base64Url:TryEncodeToChars(System.ReadOnlySpan`1[ubyte],System.Span`1[ushort],byref):ubyte (FullOpts)

16 (7.37 % of base) - System.Buffers.Text.Base64Url:DecodeFromChars(System.ReadOnlySpan`1[ushort],System.Span`1[ubyte]):int

 ; Assembly listing for method System.Buffers.Text.Base64Url:DecodeFromChars(System.ReadOnlySpan`1[ushort],System.Span`1[ubyte]):int (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX512 - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 3 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 arg0         [V00    ] (  0,  0   )  struct (16) zero-ref    multireg-arg single-def <System.ReadOnlySpan`1[ushort]>
 ;* V01 arg1         [V01    ] (  0,  0   )  struct (16) zero-ref    multireg-arg single-def <System.Span`1[ubyte]>
 ;  V02 loc0         [V02,T04] (  3,  2   )     int  ->  rax        
 ;  V03 loc1         [V03    ] (  2,  2   )     int  ->  [rbp-0x18]  do-not-enreg[X] addr-exposed ld-addr-op
 ;  V04 loc2         [V04    ] (  1,  1   )     int  ->  [rbp-0x20]  do-not-enreg[X] addr-exposed ld-addr-op
 ;  V05 OutArgs      [V05    ] (  1,  1   )  struct (24) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;  V06 tmp1         [V06,T10] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.FormatException>
 ;  V07 tmp2         [V07,T11] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.ArgumentException>
 ;* V08 tmp3         [V08    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "Inline ldloca(s) first use temp" <System.Buffers.Text.Base64Url+Base64UrlDecoderChar>
 ;* V09 tmp4         [V09,T09] (  0,  0   )  struct ( 8) zero-ref    do-not-enreg[S] "impAppendStmt" <System.Buffers.Text.Base64Url+Base64UrlDecoderChar>
 ;* V10 tmp5         [V10    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.ReadOnlySpan`1[ushort]>
 ;* V11 tmp6         [V11    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V12 tmp7         [V12    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V13 tmp8         [V13    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[ushort]>
 ;* V14 tmp9         [V14    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
-;  V15 tmp10        [V15,T07] (  2,  2   )     int  ->  rsi         "Inline stloc first use temp"
+;  V15 tmp10        [V15,T07] (  2,  2   )     int  ->  rdx         "Inline stloc first use temp"
 ;* V16 tmp11        [V16    ] (  0,  0   )  struct (16) zero-ref    multireg-arg ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[ushort]>
 ;* V17 tmp12        [V17    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[ushort]>
 ;* V18 tmp13        [V18    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
 ;  V19 tmp14        [V19,T00] (  2,  2   )   byref  ->  rdi         single-def "field V00._reference (fldOffset=0x0)" P-INDEP
 ;  V20 tmp15        [V20,T02] (  2,  2   )     int  ->  rsi         single-def "field V00._length (fldOffset=0x8)" P-INDEP
-;  V21 tmp16        [V21,T01] (  2,  2   )   byref  ->  rdx         single-def "field V01._reference (fldOffset=0x0)" P-INDEP
-;  V22 tmp17        [V22,T03] (  2,  2   )     int  ->  rcx         single-def "field V01._length (fldOffset=0x8)" P-INDEP
+;  V21 tmp16        [V21,T01] (  2,  2   )   byref  ->   r8         single-def "field V01._reference (fldOffset=0x0)" P-INDEP
+;  V22 tmp17        [V22,T03] (  2,  2   )     int  ->   r9         single-def "field V01._length (fldOffset=0x8)" P-INDEP
 ;* V23 tmp18        [V23    ] (  0,  0   )   byref  ->  zero-ref    "field V10._reference (fldOffset=0x0)" P-INDEP
 ;* V24 tmp19        [V24    ] (  0,  0   )     int  ->  zero-ref    "field V10._length (fldOffset=0x8)" P-INDEP
 ;  V25 tmp20        [V25,T05] (  2,  2   )   byref  ->  rdi         single-def "field V13._reference (fldOffset=0x0)" P-INDEP
 ;* V26 tmp21        [V26    ] (  0,  0   )     int  ->  zero-ref    "field V13._length (fldOffset=0x8)" P-INDEP
-;  V27 tmp22        [V27,T06] (  2,  2   )   byref  ->  rdi         single-def "field V16._reference (fldOffset=0x0)" P-INDEP
-;  V28 tmp23        [V28,T08] (  2,  2   )     int  ->  rsi         "field V16._length (fldOffset=0x8)" P-INDEP
+;  V27 tmp22        [V27,T06] (  2,  2   )   byref  ->  rsi         single-def "field V16._reference (fldOffset=0x0)" P-INDEP
+;  V28 tmp23        [V28,T08] (  2,  2   )     int  ->  rdx         "field V16._length (fldOffset=0x8)" P-INDEP
 ;* V29 tmp24        [V29    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V17._reference (fldOffset=0x0)" P-INDEP
 ;* V30 tmp25        [V30    ] (  0,  0   )     int  ->  zero-ref    "field V17._length (fldOffset=0x8)" P-INDEP
 ;  V31 tmp26        [V31,T12] (  2,  0   )     ref  ->  rsi         single-def "argument with side effect"
 ;  V32 tmp27        [V32,T13] (  2,  0   )     ref  ->  r15         single-def "argument with side effect"
 ;  V33 tmp28        [V33,T14] (  2,  0   )     ref  ->  rdx         single-def "argument with side effect"
 ;
 ; Lcl frame size = 48
 
 G_M23762_IG01:
        push     rbp
        push     r15
        push     rbx
        sub      rsp, 48
        lea      rbp, [rsp+0x40]
-						;; size=13 bbWeight=1 PerfScore 3.75
+       mov      r8, rdx
+       mov      r9d, ecx
+						;; size=19 bbWeight=1 PerfScore 4.25
 G_M23762_IG02:
-       xor      r9d, r9d
-       mov      dword ptr [rsp], r9d
+       mov      edx, esi
+       mov      rsi, rdi
+       lea      rcx, [rbp-0x18]
+       mov      qword ptr [rsp], rcx
        mov      dword ptr [rsp+0x08], 1
        mov      dword ptr [rsp+0x10], 1
-       lea      r9, [rbp-0x18]
-       lea      r8, [rbp-0x20]
+       mov      rcx, r8
+       mov      r8d, r9d
+       lea      r9, [rbp-0x20]
+       xor      edi, edi
        mov      rax, 0xD1FFAB1E      ; code for System.Buffers.Text.Base64Helper:DecodeFrom[System.Buffers.Text.Base64Url+Base64UrlDecoderChar,ushort](System.Buffers.Text.Base64Url+Base64UrlDecoderChar,System.ReadOnlySpan`1[ushort],System.Span`1[ubyte],byref,byref,ubyte,ubyte):int
        call     [rax]System.Buffers.Text.Base64Helper:DecodeFrom[System.Buffers.Text.Base64Url+Base64UrlDecoderChar,ushort](System.Buffers.Text.Base64Url+Base64UrlDecoderChar,System.ReadOnlySpan`1[ushort],System.Span`1[ubyte],byref,byref,ubyte,ubyte):int
        test     eax, eax
        jne      SHORT G_M23762_IG04
        mov      eax, dword ptr [rbp-0x18]
-						;; size=50 bbWeight=1 PerfScore 9.75
+						;; size=60 bbWeight=1 PerfScore 10.75
 G_M23762_IG03:
        add      rsp, 48
        pop      rbx
        pop      r15
        pop      rbp
        ret      
 						;; size=9 bbWeight=1 PerfScore 2.75
 G_M23762_IG04:
        cmp      eax, 1
        je       SHORT G_M23762_IG05
        mov      rdi, 0xD1FFAB1E      ; System.FormatException
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rax, 0xD1FFAB1E      ; code for System.SR:get_Format_BadBase64Char():System.String
        call     [rax]System.SR:get_Format_BadBase64Char():System.String
        mov      rsi, rax
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.FormatException:.ctor(System.String):this
        call     [rax]System.FormatException:.ctor(System.String):this
        mov      rdi, rbx
        call     CORINFO_HELP_THROW
        int3     
 						;; size=62 bbWeight=0 PerfScore 0.00
 G_M23762_IG05:
        mov      rdi, 0xD1FFAB1E      ; System.ArgumentException
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rax, 0xD1FFAB1E      ; code for System.SR:get_Argument_DestinationTooShort():System.String
        call     [rax]System.SR:get_Argument_DestinationTooShort():System.String
        mov      r15, rax
        mov      edi, 0xD61
        mov      rsi, 0xD1FFAB1E
        call     CORINFO_HELP_STRCNS
        mov      rdx, rax
        mov      rsi, r15
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.ArgumentException:.ctor(System.String,System.String):this
        call     [rax]System.ArgumentException:.ctor(System.String,System.String):this
        mov      rdi, rbx
        call     CORINFO_HELP_THROW
        int3     
 						;; size=83 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 217, prolog size 13, PerfScore 16.25, instruction count 52, allocated bytes for code 217 (MethodHash=88c1a32d) for method System.Buffers.Text.Base64Url:DecodeFromChars(System.ReadOnlySpan`1[ushort],System.Span`1[ubyte]):int (FullOpts)
+; Total bytes of code 233, prolog size 13, PerfScore 17.75, instruction count 58, allocated bytes for code 233 (MethodHash=88c1a32d) for method System.Buffers.Text.Base64Url:DecodeFromChars(System.ReadOnlySpan`1[ushort],System.Span`1[ubyte]):int (FullOpts)

16 (7.37 % of base) - System.Buffers.Text.Base64Url:DecodeFromUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte]):int

 ; Assembly listing for method System.Buffers.Text.Base64Url:DecodeFromUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte]):int (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX512 - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 1 single block inlinees; 0 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 arg0         [V00    ] (  0,  0   )  struct (16) zero-ref    multireg-arg single-def <System.ReadOnlySpan`1[ubyte]>
 ;* V01 arg1         [V01    ] (  0,  0   )  struct (16) zero-ref    multireg-arg single-def <System.Span`1[ubyte]>
 ;  V02 loc0         [V02,T04] (  3,  2   )     int  ->  rax        
 ;  V03 loc1         [V03    ] (  2,  2   )     int  ->  [rbp-0x18]  do-not-enreg[X] addr-exposed ld-addr-op
 ;  V04 loc2         [V04    ] (  1,  1   )     int  ->  [rbp-0x20]  do-not-enreg[X] addr-exposed ld-addr-op
 ;  V05 OutArgs      [V05    ] (  1,  1   )  struct (24) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;  V06 tmp1         [V06,T06] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.FormatException>
 ;  V07 tmp2         [V07,T07] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.ArgumentException>
 ;* V08 tmp3         [V08,T05] (  0,  0   )  struct ( 8) zero-ref    do-not-enreg[S] ld-addr-op "Inline ldloca(s) first use temp" <System.Buffers.Text.Base64Url+Base64UrlDecoderByte>
 ;  V09 tmp4         [V09,T00] (  2,  2   )   byref  ->  rdi         single-def "field V00._reference (fldOffset=0x0)" P-INDEP
-;  V10 tmp5         [V10,T02] (  2,  2   )     int  ->  rsi         single-def "field V00._length (fldOffset=0x8)" P-INDEP
-;  V11 tmp6         [V11,T01] (  2,  2   )   byref  ->  rdx         single-def "field V01._reference (fldOffset=0x0)" P-INDEP
-;  V12 tmp7         [V12,T03] (  2,  2   )     int  ->  rcx         single-def "field V01._length (fldOffset=0x8)" P-INDEP
+;  V10 tmp5         [V10,T02] (  2,  2   )     int  ->  rdx         single-def "field V00._length (fldOffset=0x8)" P-INDEP
+;  V11 tmp6         [V11,T01] (  2,  2   )   byref  ->   r8         single-def "field V01._reference (fldOffset=0x0)" P-INDEP
+;  V12 tmp7         [V12,T03] (  2,  2   )     int  ->   r9         single-def "field V01._length (fldOffset=0x8)" P-INDEP
 ;  V13 tmp8         [V13,T08] (  2,  0   )     ref  ->  rsi         single-def "argument with side effect"
 ;  V14 tmp9         [V14,T09] (  2,  0   )     ref  ->  r15         single-def "argument with side effect"
 ;  V15 tmp10        [V15,T10] (  2,  0   )     ref  ->  rdx         single-def "argument with side effect"
 ;
 ; Lcl frame size = 48
 
 G_M57374_IG01:
        push     rbp
        push     r15
        push     rbx
        sub      rsp, 48
        lea      rbp, [rsp+0x40]
-						;; size=13 bbWeight=1 PerfScore 3.75
+       mov      r8, rdx
+       mov      edx, esi
+       mov      r9d, ecx
+						;; size=21 bbWeight=1 PerfScore 4.50
 G_M57374_IG02:
-       xor      r9d, r9d
-       mov      dword ptr [rsp], r9d
+       lea      rsi, [rbp-0x18]
+       mov      qword ptr [rsp], rsi
        mov      dword ptr [rsp+0x08], 1
        mov      dword ptr [rsp+0x10], 1
-       lea      r9, [rbp-0x18]
-       lea      r8, [rbp-0x20]
+       mov      rsi, rdi
+       mov      rcx, r8
+       mov      r8d, r9d
+       lea      r9, [rbp-0x20]
+       xor      edi, edi
        mov      rax, 0xD1FFAB1E      ; code for System.Buffers.Text.Base64Helper:DecodeFrom[System.Buffers.Text.Base64Url+Base64UrlDecoderByte,ubyte](System.Buffers.Text.Base64Url+Base64UrlDecoderByte,System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte,ubyte):int
        call     [rax]System.Buffers.Text.Base64Helper:DecodeFrom[System.Buffers.Text.Base64Url+Base64UrlDecoderByte,ubyte](System.Buffers.Text.Base64Url+Base64UrlDecoderByte,System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte,ubyte):int
        test     eax, eax
        jne      SHORT G_M57374_IG04
        mov      eax, dword ptr [rbp-0x18]
-						;; size=50 bbWeight=1 PerfScore 9.75
+						;; size=58 bbWeight=1 PerfScore 10.50
 G_M57374_IG03:
        add      rsp, 48
        pop      rbx
        pop      r15
        pop      rbp
        ret      
 						;; size=9 bbWeight=1 PerfScore 2.75
 G_M57374_IG04:
        cmp      eax, 1
        je       SHORT G_M57374_IG05
        mov      rdi, 0xD1FFAB1E      ; System.FormatException
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rax, 0xD1FFAB1E      ; code for System.SR:get_Format_BadBase64Char():System.String
        call     [rax]System.SR:get_Format_BadBase64Char():System.String
        mov      rsi, rax
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.FormatException:.ctor(System.String):this
        call     [rax]System.FormatException:.ctor(System.String):this
        mov      rdi, rbx
        call     CORINFO_HELP_THROW
        int3     
 						;; size=62 bbWeight=0 PerfScore 0.00
 G_M57374_IG05:
        mov      rdi, 0xD1FFAB1E      ; System.ArgumentException
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rax, 0xD1FFAB1E      ; code for System.SR:get_Argument_DestinationTooShort():System.String
        call     [rax]System.SR:get_Argument_DestinationTooShort():System.String
        mov      r15, rax
        mov      edi, 0xD61
        mov      rsi, 0xD1FFAB1E
        call     CORINFO_HELP_STRCNS
        mov      rdx, rax
        mov      rsi, r15
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.ArgumentException:.ctor(System.String,System.String):this
        call     [rax]System.ArgumentException:.ctor(System.String,System.String):this
        mov      rdi, rbx
        call     CORINFO_HELP_THROW
        int3     
 						;; size=83 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 217, prolog size 13, PerfScore 16.25, instruction count 52, allocated bytes for code 217 (MethodHash=54601fe1) for method System.Buffers.Text.Base64Url:DecodeFromUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte]):int (FullOpts)
+; Total bytes of code 233, prolog size 13, PerfScore 17.75, instruction count 58, allocated bytes for code 233 (MethodHash=54601fe1) for method System.Buffers.Text.Base64Url:DecodeFromUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte]):int (FullOpts)

16 (10.88 % of base) - System.Buffers.Text.Base64Url:EncodeToUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte]):int

 ; Assembly listing for method System.Buffers.Text.Base64Url:EncodeToUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte]):int (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX512 - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 1 single block inlinees; 0 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 arg0         [V00    ] (  0,  0   )  struct (16) zero-ref    multireg-arg single-def <System.ReadOnlySpan`1[ubyte]>
 ;* V01 arg1         [V01    ] (  0,  0   )  struct (16) zero-ref    multireg-arg single-def <System.Span`1[ubyte]>
 ;  V02 loc0         [V02    ] (  2,  2   )     int  ->  [rbp-0x18]  do-not-enreg[X] addr-exposed ld-addr-op
 ;  V03 loc1         [V03    ] (  1,  1   )     int  ->  [rbp-0x20]  do-not-enreg[X] addr-exposed ld-addr-op
 ;  V04 OutArgs      [V04    ] (  1,  1   )  struct (16) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;  V05 tmp1         [V05,T05] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.ArgumentException>
 ;* V06 tmp2         [V06,T04] (  0,  0   )  struct ( 8) zero-ref    do-not-enreg[S] ld-addr-op "Inline ldloca(s) first use temp" <System.Buffers.Text.Base64Url+Base64UrlEncoderByte>
 ;  V07 tmp3         [V07,T00] (  2,  2   )   byref  ->  rdi         single-def "field V00._reference (fldOffset=0x0)" P-INDEP
-;  V08 tmp4         [V08,T02] (  2,  2   )     int  ->  rsi         single-def "field V00._length (fldOffset=0x8)" P-INDEP
-;  V09 tmp5         [V09,T01] (  2,  2   )   byref  ->  rdx         single-def "field V01._reference (fldOffset=0x0)" P-INDEP
-;  V10 tmp6         [V10,T03] (  2,  2   )     int  ->  rcx         single-def "field V01._length (fldOffset=0x8)" P-INDEP
+;  V08 tmp4         [V08,T02] (  2,  2   )     int  ->  rdx         single-def "field V00._length (fldOffset=0x8)" P-INDEP
+;  V09 tmp5         [V09,T01] (  2,  2   )   byref  ->   r8         single-def "field V01._reference (fldOffset=0x0)" P-INDEP
+;  V10 tmp6         [V10,T03] (  2,  2   )     int  ->   r9         single-def "field V01._length (fldOffset=0x8)" P-INDEP
 ;  V11 tmp7         [V11,T06] (  2,  0   )     ref  ->  r15         single-def "argument with side effect"
 ;  V12 tmp8         [V12,T07] (  2,  0   )     ref  ->  rdx         single-def "argument with side effect"
 ;
 ; Lcl frame size = 32
 
 G_M40505_IG01:
        push     rbp
        push     r15
        push     rbx
        sub      rsp, 32
        lea      rbp, [rsp+0x30]
-						;; size=13 bbWeight=1 PerfScore 3.75
+       mov      r8, rdx
+       mov      edx, esi
+       mov      r9d, ecx
+						;; size=21 bbWeight=1 PerfScore 4.50
 G_M40505_IG02:
-       xor      r9d, r9d
-       mov      dword ptr [rsp], r9d
+       lea      rsi, [rbp-0x18]
+       mov      qword ptr [rsp], rsi
        mov      dword ptr [rsp+0x08], 1
-       lea      r9, [rbp-0x18]
-       lea      r8, [rbp-0x20]
+       mov      rsi, rdi
+       mov      rcx, r8
+       mov      r8d, r9d
+       lea      r9, [rbp-0x20]
+       xor      edi, edi
        mov      rax, 0xD1FFAB1E      ; code for System.Buffers.Text.Base64Helper:EncodeTo[System.Buffers.Text.Base64Url+Base64UrlEncoderByte,ubyte](System.Buffers.Text.Base64Url+Base64UrlEncoderByte,System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int
        call     [rax]System.Buffers.Text.Base64Helper:EncodeTo[System.Buffers.Text.Base64Url+Base64UrlEncoderByte,ubyte](System.Buffers.Text.Base64Url+Base64UrlEncoderByte,System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte],byref,byref,ubyte):int
        test     eax, eax
        jne      SHORT G_M40505_IG04
        mov      eax, dword ptr [rbp-0x18]
-						;; size=42 bbWeight=1 PerfScore 8.75
+						;; size=50 bbWeight=1 PerfScore 9.50
 G_M40505_IG03:
        add      rsp, 32
        pop      rbx
        pop      r15
        pop      rbp
        ret      
 						;; size=9 bbWeight=1 PerfScore 2.75
 G_M40505_IG04:
        mov      rdi, 0xD1FFAB1E      ; System.ArgumentException
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rax, 0xD1FFAB1E      ; code for System.SR:get_Argument_DestinationTooShort():System.String
        call     [rax]System.SR:get_Argument_DestinationTooShort():System.String
        mov      r15, rax
        mov      edi, 0xD61
        mov      rsi, 0xD1FFAB1E
        call     CORINFO_HELP_STRCNS
        mov      rdx, rax
        mov      rsi, r15
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.ArgumentException:.ctor(System.String,System.String):this
        call     [rax]System.ArgumentException:.ctor(System.String,System.String):this
        mov      rdi, rbx
        call     CORINFO_HELP_THROW
        int3     
 						;; size=83 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 147, prolog size 13, PerfScore 15.25, instruction count 37, allocated bytes for code 147 (MethodHash=6c7261c6) for method System.Buffers.Text.Base64Url:EncodeToUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte]):int (FullOpts)
+; Total bytes of code 163, prolog size 13, PerfScore 16.75, instruction count 43, allocated bytes for code 163 (MethodHash=6c7261c6) for method System.Buffers.Text.Base64Url:EncodeToUtf8(System.ReadOnlySpan`1[ubyte],System.Span`1[ubyte]):int (FullOpts)

Larger list of diffs: https://gist.github.com/MihuBot/e01adf1e5af6e0558c74ca9541438fb4

[MihuBot]

Top method improvements

-54 (-2.16 % of base) - Microsoft.Extensions.Hosting.Internal.Host+d__17`1[System.__Canon]:MoveNext():this

 ; Assembly listing for method Microsoft.Extensions.Hosting.Internal.Host+<ForeachService>d__17`1[System.__Canon]:MoveNext():this (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX512 - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 25 single block inlinees; 15 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T00] ( 46, 76   )   byref  ->  [rbp-0x58]  this EH-live single-def
 ;  V01 TypeCtx      [V01,T14] ( 15, 22.52)    long  ->  [rbp-0x38]  EH-live single-def
 ;  V02 loc0         [V02,T23] ( 12, 21   )     int  ->  [rbp-0x3C]  do-not-enreg[Z] EH-live
 ;  V03 loc1         [V03,T01] ( 11, 63   )     ref  ->  [rbp-0x60]  do-not-enreg[Z] class-hnd EH-live <System.Collections.Generic.List`1[System.Threading.Tasks.Task]>
 ;  V04 loc2         [V04,T24] (  6, 17   )     ref  ->  [rbp-0x68]  class-hnd EH-live spill-single-def <System.Collections.Generic.IEnumerator`1[System.__Canon]>
 ;  V05 loc3         [V05,T25] (  2, 16   )     ref  ->  rsi         class-hnd <System.__Canon>
 ;  V06 loc4         [V06,T02] (  8, 60   )     ref  ->  r15         class-hnd <System.Threading.Tasks.Task>
 ;* V07 loc5         [V07    ] (  0,  0   )     ref  ->  zero-ref    class-hnd <System.Exception>
 ;  V08 loc6         [V08    ] ( 20, 49   )  struct (16) [rbp-0x50]  do-not-enreg[XS] must-init addr-exposed ld-addr-op <System.Runtime.CompilerServices.ConfiguredTaskAwaitable+ConfiguredTaskAwaiter>
 ;* V09 loc7         [V09    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[S] ld-addr-op <System.Runtime.CompilerServices.ConfiguredTaskAwaitable>
 ;* V10 loc8         [V10    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def <System.Exception>
 ;  V11 loc9         [V11,T29] (  2,  8   )     ref  ->  rbx         must-init class-hnd <System.__Canon>
 ;* V12 loc10        [V12    ] (  0,  0   )     ref  ->  zero-ref    class-hnd <System.Exception>
 ;* V13 loc11        [V13    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def <System.Exception>
-;  V14 OutArgs      [V14    ] (  1,  1   )  struct ( 8) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
+;# V14 OutArgs      [V14    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;* V15 tmp1         [V15    ] (  0,  0   )     int  ->  zero-ref    "dup spill"
 ;* V16 tmp2         [V16    ] (  0,  0   )    long  ->  zero-ref    "spilling helperCall"
 ;  V17 tmp3         [V17,T74] (  3,  0   )     ref  ->  rbx         class-hnd single-def "impSpillSpecialSideEff" <System.Exception>
 ;* V18 tmp4         [V18    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "non-inline candidate call" <System.Collections.Generic.List`1[System.Exception]>
 ;* V19 tmp5         [V19    ] (  0,  0   )     int  ->  zero-ref    "dup spill"
 ;* V20 tmp6         [V20    ] (  0,  0   )    long  ->  zero-ref    "spilling helperCall"
 ;  V21 tmp7         [V21,T15] (  4, 24   )    long  ->  r11         "VirtualCall with runtime lookup"
 ;* V22 tmp8         [V22    ] (  0,  0   )     int  ->  zero-ref    "dup spill"
 ;* V23 tmp9         [V23    ] (  0,  0   )    long  ->  zero-ref    "spilling helperCall"
 ;  V24 tmp10        [V24,T75] (  3,  0   )     ref  ->  rdx         class-hnd "impSpillSpecialSideEff" <System.Exception>
 ;* V25 tmp11        [V25    ] (  0,  0   )    long  ->  zero-ref    "spilling helperCall"
 ;  V26 tmp12        [V26,T31] (  4,  6   )    long  ->  r11         "VirtualCall with runtime lookup"
 ;* V27 tmp13        [V27    ] (  0,  0   )    long  ->  zero-ref    "spilling helperCall"
 ;  V28 tmp14        [V28,T32] (  4,  6   )    long  ->  r11         "VirtualCall with runtime lookup"
 ;* V29 tmp15        [V29    ] (  0,  0   )    long  ->  zero-ref    "spilling helperCall"
 ;  V30 tmp16        [V30,T03] (  4, 48   )    long  ->  r11         "VirtualCall with runtime lookup"
 ;  V31 tmp17        [V31,T16] (  3, 24   )     ref  ->  r12         class-hnd exact "NewObj constructor temp" <System.Collections.Generic.List`1[System.Threading.Tasks.Task]>
 ;  V32 tmp18        [V32,T09] (  2, 32   )     ref  ->  rbx         class-hnd "impAppendStmt" <System.Collections.Generic.List`1[System.Exception]>
 ;  V33 tmp19        [V33,T76] (  3,  0   )     ref  ->  rdx         class-hnd "impSpillSpecialSideEff" <System.Exception>
 ;  V34 tmp20        [V34,T80] (  2,  0   )     ref  ->  rsi         class-hnd single-def "impSpillSpecialSideEff" <System.Exception>
 ;  V35 tmp21        [V35,T68] (  7,  0   )     ref  ->  rdi         class-hnd "Inlining Arg" <System.Collections.Generic.List`1[System.Exception]>
 ;  V36 tmp22        [V36,T77] (  3,  0   )     ref  ->  rax         class-hnd "Inline stloc first use temp" <System.Exception[]>
 ;  V37 tmp23        [V37,T71] (  4,  0   )     int  ->  rbx         "Inline stloc first use temp"
 ;* V38 tmp24        [V38    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
 ;* V39 tmp25        [V39    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inline return value spill temp" <System.AggregateException>
 ;  V40 tmp26        [V40,T17] (  2, 16   )     ref  ->  rax         class-hnd "Inline stloc first use temp" <System.AggregateException>
 ;* V41 tmp27        [V41    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inline return value spill temp" <System.AggregateException>
 ;  V42 tmp28        [V42,T12] (  5, 28   )     ref  ->  r14         class-hnd "Inline stloc first use temp" <System.AggregateException>
 ;* V43 tmp29        [V43    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inline return value spill temp" <System.Collections.ObjectModel.ReadOnlyCollection`1[System.Exception]>
 ;  V44 tmp30        [V44,T10] (  2, 32   )     ref  ->  rsi         class-hnd "dup spill" <System.Collections.ObjectModel.ReadOnlyCollection`1[System.Exception]>
 ;  V45 tmp31        [V45,T13] (  4, 28   )     ref  ->  rsi        
 ;  V46 tmp32        [V46,T07] (  4, 32   )     ref  ->  r13         class-hnd exact "NewObj constructor temp" <System.Collections.ObjectModel.ReadOnlyCollection`1[System.Exception]>
 ;* V47 tmp33        [V47    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inline stloc first use temp" <System.Collections.ObjectModel.ReadOnlyCollection`1[System.Exception]>
 ;  V48 tmp34        [V48,T18] (  3, 24   )     ref  ->  rsi         class-hnd "Inlining Arg" <System.Exception[]>
 ;  V49 tmp35        [V49,T19] (  3, 24   )     ref  ->  rdi         class-hnd "Inline stloc first use temp" <System.Threading.Tasks.Task[]>
 ;  V50 tmp36        [V50,T08] (  4, 32   )     int  ->  rsi         "Inline stloc first use temp"
 ;  V51 tmp37        [V51,T33] (  3,  6   )     ref  ->  rsi         class-hnd single-def "Inlining Arg" <System.Threading.Tasks.Task>
 ;* V52 tmp38        [V52    ] (  0,  0   )     ref  ->  zero-ref   
 ;* V53 tmp39        [V53    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;* V54 tmp40        [V54    ] (  0,  0   )     int  ->  zero-ref    single-def
 ;* V55 tmp41        [V55    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[S] ld-addr-op "NewObj constructor temp" <System.Runtime.CompilerServices.ConfiguredTaskAwaitable>
 ;* V56 tmp42        [V56    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Runtime.CompilerServices.ConfiguredTaskAwaitable+ConfiguredTaskAwaiter>
 ;* V57 tmp43        [V57,T64] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;  V58 tmp44        [V58,T51] (  2,  4   )     ref  ->  rsi         class-hnd single-def "Inlining Arg" <System.Threading.Tasks.Task>
 ;* V59 tmp45        [V59    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
 ;  V60 tmp46        [V60,T52] (  2,  4   )   byref  ->  r12         single-def "Inlining Arg"
 ;  V61 tmp47        [V61,T45] (  4,  4.40)    long  ->  rdi         "Inlining Arg"
 ;* V62 tmp48        [V62    ] (  0,  0   )    long  ->  zero-ref    "spilling helperCall"
 ;* V63 tmp49        [V63    ] (  0,  0   )   byref  ->  zero-ref    single-def "Inlining Arg"
 ;  V64 tmp50        [V64,T46] (  4,  4.40)    long  ->  rsi         "Inlining Arg"
 ;* V65 tmp51        [V65    ] (  0,  0   )    long  ->  zero-ref    "spilling helperCall"
 ;* V66 tmp52        [V66    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inline stloc first use temp" <System.Runtime.CompilerServices.IAsyncStateMachineBox>
 ;  V67 tmp53        [V67,T34] (  3,  6   )     ref  ->  rsi         class-hnd single-def "Inlining Arg" <System.Threading.Tasks.Task>
 ;  V68 tmp54        [V68,T57] (  2,  4   )     int  ->  rax         "Inlining Arg"
 ;  V69 tmp55        [V69,T69] (  7,  0   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Collections.Generic.List`1[System.Exception]>
 ;  V70 tmp56        [V70,T78] (  3,  0   )     ref  ->  rax         class-hnd single-def "Inline stloc first use temp" <System.Exception[]>
 ;  V71 tmp57        [V71,T72] (  4,  0   )     int  ->  r14         single-def "Inline stloc first use temp"
 ;  V72 tmp58        [V72,T20] (  3, 24   )     ref  ->  rax         class-hnd "Inlining Arg" <System.__Canon>
 ;* V73 tmp59        [V73    ] (  0,  0   )     ref  ->  zero-ref   
 ;* V74 tmp60        [V74    ] (  0,  0   )     ref  ->  zero-ref   
 ;* V75 tmp61        [V75    ] (  0,  0   )     int  ->  zero-ref   
 ;* V76 tmp62        [V76    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[S] ld-addr-op "NewObj constructor temp" <System.Runtime.CompilerServices.ConfiguredTaskAwaitable>
 ;* V77 tmp63        [V77    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Runtime.CompilerServices.ConfiguredTaskAwaitable+ConfiguredTaskAwaiter>
 ;* V78 tmp64        [V78,T60] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;  V79 tmp65        [V79,T26] (  2, 16   )     ref  ->  rdi         class-hnd "Inlining Arg" <System.Threading.Tasks.Task>
 ;* V80 tmp66        [V80    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
 ;  V81 tmp67        [V81,T53] (  2,  4   )   byref  ->  rbx         "Inlining Arg"
 ;  V82 tmp68        [V82,T47] (  4,  4.40)    long  ->  rdi         "Inlining Arg"
 ;* V83 tmp69        [V83    ] (  0,  0   )    long  ->  zero-ref    "spilling helperCall"
 ;* V84 tmp70        [V84    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
 ;  V85 tmp71        [V85,T48] (  4,  4.40)    long  ->  rsi         "Inlining Arg"
 ;* V86 tmp72        [V86    ] (  0,  0   )    long  ->  zero-ref    "spilling helperCall"
 ;* V87 tmp73        [V87    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inline stloc first use temp" <System.Runtime.CompilerServices.IAsyncStateMachineBox>
 ;  V88 tmp74        [V88,T04] (  3, 48   )     ref  ->  registers   class-hnd "Inlining Arg" <System.Threading.Tasks.Task>
 ;  V89 tmp75        [V89,T11] (  2, 32   )     int  ->  rsi         "Inlining Arg"
 ;  V90 tmp76        [V90,T70] (  7,  0   )     ref  ->  rdi         class-hnd "Inlining Arg" <System.Collections.Generic.List`1[System.Exception]>
 ;  V91 tmp77        [V91,T79] (  3,  0   )     ref  ->  rax         class-hnd "Inline stloc first use temp" <System.Exception[]>
 ;  V92 tmp78        [V92,T73] (  4,  0   )     int  ->  rbx         "Inline stloc first use temp"
 ;  V93 tmp79        [V93,T28] (  4,  8   )   byref  ->  rdi         single-def "Inlining Arg"
 ;* V94 tmp80        [V94,T65] (  0,  0   )  struct ( 8) zero-ref    do-not-enreg[S] ld-addr-op "Inline ldloca(s) first use temp" <System.Threading.Tasks.VoidTaskResult>
 ;  V95 tmp81        [V95,T54] (  2,  4   )     ref  ->  rdi         class-hnd single-def "impAppendStmt" <System.Threading.Tasks.Task`1[System.Threading.Tasks.VoidTaskResult]>
 ;  V96 tmp82        [V96    ] ( 12, 28   )     ref  ->  [rbp-0x50]  do-not-enreg[X] addr-exposed "field V08.m_task (fldOffset=0x0)" P-DEP
 ;  V97 tmp83        [V97    ] ( 12, 28   )     int  ->  [rbp-0x48]  do-not-enreg[X] addr-exposed "field V08.m_options (fldOffset=0x8)" P-DEP
 ;  V98 tmp84        [V98,T63] (  2,  2   )     ref  ->  rsi         single-def "field V56.m_task (fldOffset=0x0)" P-INDEP
 ;* V99 tmp85        [V99,T66] (  0,  0   )     int  ->  zero-ref    single-def "field V56.m_options (fldOffset=0x8)" P-INDEP
 ;  V100 tmp86       [V100,T30] (  2,  8   )     ref  ->  rax         "field V77.m_task (fldOffset=0x0)" P-INDEP
 ;* V101 tmp87       [V101,T61] (  0,  0   )     int  ->  zero-ref    "field V77.m_options (fldOffset=0x8)" P-INDEP
 ;  V102 tmp88       [V102,T58] (  2,  4   )    long  ->  rdi         "argument with side effect"
 ;  V103 tmp89       [V103,T55] (  2,  4   )     ref  ->  rsi         "argument with side effect"
 ;  V104 tmp90       [V104,T59] (  2,  4   )    long  ->  rdi         "argument with side effect"
 ;  V105 tmp91       [V105,T56] (  2,  4   )     ref  ->  rsi         single-def "argument with side effect"
 ;  V106 tmp92       [V106,T81] (  2,  0   )     ref  ->  rsi         single-def "argument with side effect"
 ;  V107 tmp93       [V107,T82] (  2,  0   )     ref  ->  rbx         single-def "argument with side effect"
-;  V108 PSPSym      [V108,T67] (  1,  1   )    long  ->  [rbp-0x78]  do-not-enreg[V] "PSPSym"
+;  V108 PSPSym      [V108,T67] (  1,  1   )    long  ->  [rbp-0x70]  do-not-enreg[V] "PSPSym"
 ;  V109 cse0        [V109,T62] (  3,  3   )     ref  ->  rdi         "CSE #13: conservative"
 ;  V110 cse1        [V110,T27] (  6, 15   )   byref  ->  rbx         multi-def "CSE #02: moderate"
 ;  V111 rat0        [V111,T35] (  3,  5.60)    long  ->  r11         "spilling expr"
 ;  V112 rat1        [V112,T43] (  3,  4.48)    long  ->  r11         "fgMakeTemp is creating a new local variable"
 ;  V113 rat2        [V113,T06] (  3, 44.80)    long  ->  r11         "fgMakeTemp is creating a new local variable"
 ;  V114 rat3        [V114,T36] (  3,  5.60)    long  ->  rdi         "fgMakeTemp is creating a new local variable"
 ;  V115 rat4        [V115,T37] (  3,  5.60)    long  ->  rsi         "fgMakeTemp is creating a new local variable"
 ;  V116 rat5        [V116,T49] (  3,  4   )    long  ->  rdi         "runtime lookup"
 ;  V117 rat6        [V117,T38] (  3,  5.60)    long  ->  rdi         "fgMakeTemp is creating a new local variable"
 ;  V118 rat7        [V118,T39] (  3,  5.60)    long  ->  rsi         "spilling expr"
 ;  V119 rat8        [V119,T44] (  3,  4.48)    long  ->  r11         "fgMakeTemp is creating a new local variable"
 ;  V120 rat9        [V120,T22] (  3, 22.40)    long  ->  r11         "fgMakeTemp is creating a new local variable"
 ;  V121 rat10       [V121,T40] (  3,  5.60)    long  ->  rdi         "fgMakeTemp is creating a new local variable"
 ;  V122 rat11       [V122,T41] (  3,  5.60)    long  ->  rsi         "fgMakeTemp is creating a new local variable"
 ;  V123 rat12       [V123,T50] (  3,  4   )    long  ->  rdi         "runtime lookup"
 ;  V124 rat13       [V124,T42] (  3,  5.60)    long  ->  rdi         "fgMakeTemp is creating a new local variable"
 ;  V125 rat14       [V125,T05] (  3, 48   )     ref  ->  rax         "delegate invoke call"
 ;  V126 rat15       [V126,T21] (  3, 24   )     ref  ->  rax         "delegate invoke call"
 ;
-; Lcl frame size = 88
+; Lcl frame size = 72
 
 G_M60193_IG01:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
-       sub      rsp, 88
-       lea      rbp, [rsp+0x80]
+       sub      rsp, 72
+       lea      rbp, [rsp+0x70]
        xor      ebx, ebx
        mov      qword ptr [rbp-0x50], rbx
        mov      qword ptr [rbp-0x48], rbx
-       mov      qword ptr [rbp-0x78], rsp
+       mov      qword ptr [rbp-0x70], rsp
        mov      qword ptr [rbp-0x30], rsi
        mov      bword ptr [rbp-0x58], rdi
        mov      qword ptr [rbp-0x38], rsi
        mov      rax, rsi
-						;; size=51 bbWeight=1 PerfScore 13.25
+						;; size=48 bbWeight=1 PerfScore 13.25
 G_M60193_IG02:
        mov      r11d, dword ptr [rdi+0x28]
        mov      dword ptr [rbp-0x3C], r11d
 						;; size=8 bbWeight=1 PerfScore 3.00
 G_M60193_IG03:
        cmp      dword ptr [rbp-0x3C], 0
        je       G_M60193_IG29
        cmp      dword ptr [rbp-0x3C], 1
        je       G_M60193_IG42
        cmp      byte  ptr [rdi+0x2C], 0
        je       SHORT G_M60193_IG06
        xor      r11, r11
        mov      gword ptr [rbp-0x60], r11
        mov      r11, qword ptr [rax+0x30]
        mov      r11, qword ptr [r11]
        cmp      qword ptr [r11+0x08], 32
        jle      G_M60193_IG65
 						;; size=51 bbWeight=1 PerfScore 19.25
 G_M60193_IG04:
        mov      r11, qword ptr [r11+0x20]
        test     r11, r11
        je       G_M60193_IG65
 						;; size=13 bbWeight=0.80 PerfScore 2.60
 G_M60193_IG05:
        mov      rdi, gword ptr [rdi]
        call     [r11]
        mov      gword ptr [rbp-0x68], rax
        jmp      SHORT G_M60193_IG10
 						;; size=12 bbWeight=1 PerfScore 8.00
 G_M60193_IG06:
        mov      rsi, qword ptr [rax+0x30]
        mov      rsi, qword ptr [rsi]
        cmp      qword ptr [rsi+0x08], 32
        jle      SHORT G_M60193_IG09
 						;; size=14 bbWeight=1 PerfScore 8.00
 G_M60193_IG07:
        mov      r11, qword ptr [rsi+0x20]
        test     r11, r11
        je       SHORT G_M60193_IG09
 						;; size=9 bbWeight=0.80 PerfScore 2.60
 G_M60193_IG08:
        mov      rdi, gword ptr [rdi]
        call     [r11]
        mov      rsi, bword ptr [rbp-0x58]
        lea      rdi, bword ptr [rsi+0x20]
        mov      rsi, rax
        call     CORINFO_HELP_CHECKED_ASSIGN_REF
        mov      rax, qword ptr [rbp-0x38]
        mov      rdi, bword ptr [rbp-0x58]
        jmp      G_M60193_IG42
 						;; size=35 bbWeight=1 PerfScore 11.75
 G_M60193_IG09:
        mov      rdi, rax
        mov      rsi, 0xD1FFAB1E      ; global ptr
        call     CORINFO_HELP_RUNTIMEHANDLE_CLASS
        mov      r11, rax
        mov      rdi, bword ptr [rbp-0x58]
        jmp      SHORT G_M60193_IG08
 						;; size=27 bbWeight=0.36 PerfScore 1.71
 G_M60193_IG10:
        mov      rdi, gword ptr [rbp-0x68]
        mov      r11, 0xD1FFAB1E      ; code for System.Collections.IEnumerator:MoveNext():ubyte:this
        call     [r11]System.Collections.IEnumerator:MoveNext():ubyte:this
        test     eax, eax
        je       G_M60193_IG27
        mov      rax, qword ptr [rbp-0x38]
        mov      rdi, qword ptr [rax+0x30]
        mov      rdi, qword ptr [rdi]
        mov      r11, qword ptr [rdi+0x18]
        test     r11, r11
        je       SHORT G_M60193_IG12
 						;; size=45 bbWeight=8 PerfScore 110.00
 G_M60193_IG11:
        mov      rdi, gword ptr [rbp-0x68]
        call     [r11]
        mov      rsi, rax
        jmp      SHORT G_M60193_IG13
 						;; size=12 bbWeight=8 PerfScore 50.00
 G_M60193_IG12:
        mov      rdi, rax
        mov      rsi, 0xD1FFAB1E      ; global ptr
        call     CORINFO_HELP_RUNTIMEHANDLE_CLASS
        mov      r11, rax
        jmp      SHORT G_M60193_IG11
 						;; size=23 bbWeight=1.60 PerfScore 6.00
 G_M60193_IG13:
        mov      rdi, bword ptr [rbp-0x58]
        mov      rax, gword ptr [rdi+0x08]
        mov      rdx, gword ptr [rdi+0x38]
        mov      rdi, gword ptr [rax+0x08]
        call     [rax+0x18]System.Func`3[System.__Canon,System.Threading.CancellationToken,System.__Canon]:Invoke(System.__Canon,System.Threading.CancellationToken):System.__Canon:this
        mov      r15, rax
 						;; size=22 bbWeight=8 PerfScore 82.00
 G_M60193_IG14:
        test     dword ptr [r15+0x34], 0xD1FFAB1E
        je       G_M60193_IG18
        test     dword ptr [r15+0x34], 0xD1FFAB1E
        je       SHORT G_M60193_IG10
        mov      rdi, r15
        xor      esi, esi
        mov      rcx, 0xD1FFAB1E      ; code for System.Threading.Tasks.Task:GetExceptions(ubyte):System.AggregateException:this
        call     [rcx]System.Threading.Tasks.Task:GetExceptions(ubyte):System.AggregateException:this
        test     rax, rax
        je       G_M60193_IG10
        mov      rax, gword ptr [rbp-0x68]
        mov      rdi, bword ptr [rbp-0x58]
        mov      rbx, gword ptr [rdi+0x10]
        xor      r14, r14
        test     dword ptr [r15+0x34], 0xD1FFAB1E
        je       SHORT G_M60193_IG16
 						;; size=75 bbWeight=8 PerfScore 170.00
 G_M60193_IG15:
        mov      rdi, r15
        xor      esi, esi
        mov      rcx, 0xD1FFAB1E      ; code for System.Threading.Tasks.Task:GetExceptions(ubyte):System.AggregateException:this
        call     [rcx]System.Threading.Tasks.Task:GetExceptions(ubyte):System.AggregateException:this
        mov      r14, rax
        mov      rax, gword ptr [rbp-0x68]
 						;; size=24 bbWeight=4 PerfScore 20.00
 G_M60193_IG16:
        mov      rsi, gword ptr [r14+0x80]
        test     rsi, rsi
        jne      G_M60193_IG24
 						;; size=16 bbWeight=8 PerfScore 26.00
 G_M60193_IG17:
        mov      rdi, 0xD1FFAB1E      ; System.Collections.ObjectModel.ReadOnlyCollection`1[System.Exception]
        call     CORINFO_HELP_NEWSFAST
        mov      r13, rax
        mov      rsi, gword ptr [r14+0x78]
        test     rsi, rsi
        jne      G_M60193_IG23
        jmp      G_M60193_IG26
 						;; size=36 bbWeight=4 PerfScore 27.00
 G_M60193_IG18:
        cmp      gword ptr [rbp-0x60], 0
        jne      SHORT G_M60193_IG21
 						;; size=7 bbWeight=8 PerfScore 24.00
 G_M60193_IG19:
        mov      rdi, 0xD1FFAB1E      ; System.Collections.Generic.List`1[System.Threading.Tasks.Task]
        call     CORINFO_HELP_NEWSFAST
        mov      r12, rax
        mov      rdi, 0xD1FFAB1E      ; global ptr
        test     byte  ptr [rdi], 1
        je       G_M60193_IG25
 						;; size=37 bbWeight=4 PerfScore 23.00
 G_M60193_IG20:
        mov      rdi, 0xD1FFAB1E      ; data for System.Collections.Generic.List`1[System.Threading.Tasks.Task]:s_emptyArray
        mov      rsi, gword ptr [rdi]
        lea      rdi, bword ptr [r12+0x08]
        call     CORINFO_HELP_ASSIGN_REF
        mov      gword ptr [rbp-0x60], r12
 						;; size=27 bbWeight=4 PerfScore 19.00
 G_M60193_IG21:
        mov      rsi, gword ptr [rbp-0x60]
        inc      dword ptr [rsi+0x14]
        mov      rsi, gword ptr [rbp-0x60]
        mov      rdi, gword ptr [rsi+0x08]
        mov      rsi, gword ptr [rbp-0x60]
        mov      esi, dword ptr [rsi+0x10]
        cmp      dword ptr [rdi+0x08], esi
        jbe      SHORT G_M60193_IG22
        lea      edx, [rsi+0x01]
        mov      rax, gword ptr [rbp-0x60]
        mov      dword ptr [rax+0x10], edx
        movsxd   rsi, esi
        mov      rdx, r15
        mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_ARRADDR_ST
        call     [rax]CORINFO_HELP_ARRADDR_ST
        jmp      G_M60193_IG10
 						;; size=60 bbWeight=8 PerfScore 178.00
 G_M60193_IG22:
        mov      rdi, gword ptr [rbp-0x60]
        mov      rsi, r15
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.List`1[System.__Canon]:AddWithResize(System.__Canon):this
        call     [rax]System.Collections.Generic.List`1[System.__Canon]:AddWithResize(System.__Canon):this
        jmp      G_M60193_IG10
 						;; size=24 bbWeight=8 PerfScore 52.00
 G_M60193_IG23:
        lea      rdi, bword ptr [r13+0x08]
        call     CORINFO_HELP_ASSIGN_REF
        lea      rdi, bword ptr [r14+0x80]
        mov      rsi, r13
        call     CORINFO_HELP_ASSIGN_REF
        mov      rsi, r13
 						;; size=27 bbWeight=4 PerfScore 14.00
 G_M60193_IG24:
        mov      rdi, rbx
        mov      rcx, 0xD1FFAB1E      ; code for System.Collections.Generic.List`1[System.__Canon]:AddRange(System.Collections.Generic.IEnumerable`1[System.__Canon]):this
        cmp      dword ptr [rdi], edi
        call     [rcx]System.Collections.Generic.List`1[System.__Canon]:AddRange(System.Collections.Generic.IEnumerable`1[System.__Canon]):this
        jmp      G_M60193_IG10
 						;; size=22 bbWeight=8 PerfScore 68.00
 G_M60193_IG25:
        mov      rdi, 0xD1FFAB1E      ; System.Collections.Generic.List`1[System.Threading.Tasks.Task]
        call     CORINFO_HELP_GET_GCSTATIC_BASE
        jmp      G_M60193_IG20
 						;; size=20 bbWeight=0 PerfScore 0.00
 G_M60193_IG26:
        mov      edi, 20
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentNullException(int)
        call     [rax]System.ThrowHelper:ThrowArgumentNullException(int)
        int3     
 						;; size=18 bbWeight=0 PerfScore 0.00
 G_M60193_IG27:
        cmp      dword ptr [rbp-0x3C], 0
        jge      SHORT G_M60193_IG28
        mov      rdi, gword ptr [rbp-0x68]
        mov      r11, 0xD1FFAB1E      ; code for System.IDisposable:Dispose():this
        call     [r11]System.IDisposable:Dispose():this
 						;; size=23 bbWeight=1 PerfScore 7.25
 G_M60193_IG28:
        cmp      gword ptr [rbp-0x60], 0
        je       G_M60193_IG68
        mov      rdi, gword ptr [rbp-0x60]
        mov      rax, 0xD1FFAB1E      ; code for System.Threading.Tasks.Task:WhenAll(System.Collections.Generic.IEnumerable`1[System.Threading.Tasks.Task]):System.Threading.Tasks.Task
        call     [rax]System.Threading.Tasks.Task:WhenAll(System.Collections.Generic.IEnumerable`1[System.Threading.Tasks.Task]):System.Threading.Tasks.Task
        mov      rdi, bword ptr [rbp-0x58]
        lea      rdi, bword ptr [rdi+0x18]
        mov      rsi, rax
        call     CORINFO_HELP_CHECKED_ASSIGN_REF
        mov      rax, qword ptr [rbp-0x38]
        mov      rdi, bword ptr [rbp-0x58]
 						;; size=51 bbWeight=1 PerfScore 12.00
 G_M60193_IG29:
        cmp      dword ptr [rbp-0x3C], 0
        je       G_M60193_IG34
        mov      rsi, gword ptr [rdi+0x18]
        cmp      byte  ptr [rsi], sil
        mov      gword ptr [rbp-0x50], rsi
        xor      esi, esi
        mov      dword ptr [rbp-0x48], esi
        test     byte  ptr [rbp-0x48], 4
        jne      SHORT G_M60193_IG30
        mov      rsi, gword ptr [rbp-0x50]
        test     dword ptr [rsi+0x34], 0xD1FFAB1E
        jne      G_M60193_IG37
 						;; size=49 bbWeight=1 PerfScore 18.25
 G_M60193_IG30:
        xor      esi, esi
        mov      dword ptr [rdi+0x28], esi
        lea      rdi, bword ptr [rdi+0x40]
        mov      rsi, gword ptr [rbp-0x50]
        call     CORINFO_HELP_CHECKED_ASSIGN_REF
        mov      edi, dword ptr [rbp-0x48]
        mov      r15, bword ptr [rbp-0x58]
        mov      dword ptr [r15+0x48], edi
        mov      rax, qword ptr [rbp-0x38]
        mov      rdi, qword ptr [rax+0x30]
        mov      rdi, qword ptr [rdi]
        mov      rdi, qword ptr [rdi+0x10]
        test     rdi, rdi
        je       G_M60193_IG38
 						;; size=53 bbWeight=1 PerfScore 15.00
 G_M60193_IG31:
        lea      r12, bword ptr [r15+0x30]
        mov      rsi, qword ptr [rdi+0x18]
        mov      rsi, qword ptr [rsi+0x18]
        test     rsi, rsi
        je       G_M60193_IG39
 						;; size=21 bbWeight=1 PerfScore 5.75
 G_M60193_IG32:
        mov      rdi, qword ptr [rsi+0x18]
        mov      rdi, qword ptr [rdi+0x18]
        test     rdi, rdi
        je       G_M60193_IG40
 						;; size=17 bbWeight=1 PerfScore 5.25
 G_M60193_IG33:
        mov      rsi, r15
        mov      rdx, r12
        mov      rax, 0xD1FFAB1E      ; code for System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[System.Threading.Tasks.VoidTaskResult]:GetStateMachineBox[Microsoft.Extensions.Hosting.Internal.Host+<ForeachService>d__17`1[System.__Canon]](byref,byref):System.Runtime.CompilerServices.IAsyncStateMachineBox
        call     [rax]System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[System.Threading.Tasks.VoidTaskResult]:GetStateMachineBox[Microsoft.Extensions.Hosting.Internal.Host+<ForeachService>d__17`1[System.__Canon]](byref,byref):System.Runtime.CompilerServices.IAsyncStateMachineBox
        mov      rsi, rax
        lea      rdi, [rbp-0x50]
        mov      rax, 0xD1FFAB1E      ; code for System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[System.Threading.Tasks.VoidTaskResult]:AwaitUnsafeOnCompleted[System.Runtime.CompilerServices.ConfiguredTaskAwaitable+ConfiguredTaskAwaiter](byref,System.Runtime.CompilerServices.IAsyncStateMachineBox)
        call     [rax]System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[System.Threading.Tasks.VoidTaskResult]:AwaitUnsafeOnCompleted[System.Runtime.CompilerServices.ConfiguredTaskAwaitable+ConfiguredTaskAwaiter](byref,System.Runtime.CompilerServices.IAsyncStateMachineBox)
        jmp      G_M60193_IG70
 						;; size=42 bbWeight=1 PerfScore 9.75
 G_M60193_IG34:
        lea      rbx, bword ptr [rdi+0x40]
 						;; size=4 bbWeight=1 PerfScore 0.50
 G_M60193_IG35:
        vmovdqu  xmm0, xmmword ptr [rbx]
        vmovdqu  xmmword ptr [rbp-0x50], xmm0
 						;; size=9 bbWeight=1 PerfScore 5.00
 G_M60193_IG36:
        xor      esi, esi
        mov      qword ptr [rbx], rsi
        mov      qword ptr [rbx+0x08], rsi
        mov      dword ptr [rdi+0x28], -1
        mov      rdi, bword ptr [rbp-0x58]
 						;; size=20 bbWeight=1 PerfScore 4.25
 G_M60193_IG37:
        mov      rsi, gword ptr [rbp-0x50]
        mov      eax, dword ptr [rbp-0x48]
        mov      ecx, dword ptr [rsi+0x34]
        and      ecx, 0xD1FFAB1E
        cmp      ecx, 0xD1FFAB1E
        je       SHORT G_M60193_IG41
        mov      rdi, rsi
        mov      esi, eax
        mov      rax, 0xD1FFAB1E      ; code for System.Runtime.CompilerServices.TaskAwaiter:HandleNonSuccessAndDebuggerNotification(System.Threading.Tasks.Task,int)
        call     [rax]System.Runtime.CompilerServices.TaskAwaiter:HandleNonSuccessAndDebuggerNotification(System.Threading.Tasks.Task,int)
        jmp      SHORT G_M60193_IG41
 						;; size=43 bbWeight=1 PerfScore 11.25
 G_M60193_IG38:
        mov      rdi, rax
        mov      rsi, 0xD1FFAB1E      ; global ptr
        call     CORINFO_HELP_RUNTIMEHANDLE_CLASS
        mov      rdi, rax
        jmp      G_M60193_IG31
 						;; size=26 bbWeight=0.20 PerfScore 0.75
 G_M60193_IG39:
        mov      rsi, 0xD1FFAB1E      ; global ptr
        call     CORINFO_HELP_RUNTIMEHANDLE_METHOD
        mov      rsi, rax
        jmp      G_M60193_IG32
 						;; size=23 bbWeight=0.20 PerfScore 0.70
 G_M60193_IG40:
        mov      rdi, rsi
        mov      rsi, 0xD1FFAB1E      ; global ptr
        call     CORINFO_HELP_RUNTIMEHANDLE_METHOD
        mov      rdi, rax
        jmp      G_M60193_IG33
 						;; size=26 bbWeight=0.20 PerfScore 0.75
 G_M60193_IG41:
        xor      rdi, rdi
        mov      r15, bword ptr [rbp-0x58]
        mov      gword ptr [r15+0x18], rdi
        jmp      G_M60193_IG68
 						;; size=15 bbWeight=1 PerfScore 4.25
 G_M60193_IG42:
        cmp      dword ptr [rbp-0x3C], 1
        je       SHORT G_M60193_IG46
 						;; size=6 bbWeight=1 PerfScore 3.00
 G_M60193_IG43:
        mov      r15, bword ptr [rbp-0x58]
        mov      rdi, gword ptr [r15+0x20]
        mov      r11, 0xD1FFAB1E      ; code for System.Collections.IEnumerator:MoveNext():ubyte:this
        call     [r11]System.Collections.IEnumerator:MoveNext():ubyte:this
        test     eax, eax
        je       G_M60193_IG63
        mov      rax, qword ptr [rbp-0x38]
        mov      rdi, qword ptr [rax+0x30]
        mov      rdi, qword ptr [rdi]
        mov      r11, qword ptr [rdi+0x18]
        test     r11, r11
        je       SHORT G_M60193_IG45
 						;; size=49 bbWeight=4 PerfScore 63.00
 G_M60193_IG44:
        mov      rdi, gword ptr [r15+0x20]
        call     [r11]
        mov      rbx, rax
        jmp      SHORT G_M60193_IG46
 						;; size=12 bbWeight=4 PerfScore 29.00
 G_M60193_IG45:
        mov      rdi, rax
        mov      rsi, 0xD1FFAB1E      ; global ptr
        call     CORINFO_HELP_RUNTIMEHANDLE_CLASS
        mov      r11, rax
        jmp      SHORT G_M60193_IG44
 						;; size=23 bbWeight=0.80 PerfScore 3.00
 G_M60193_IG46:
        mov      r15, bword ptr [rbp-0x58]
        cmp      dword ptr [rbp-0x3C], 1
        je       G_M60193_IG53
 						;; size=14 bbWeight=8 PerfScore 32.00
 G_M60193_IG47:
        mov      rax, gword ptr [r15+0x08]
        mov      rdx, gword ptr [r15+0x38]
        mov      rsi, rbx
        mov      rdi, gword ptr [rax+0x08]
        call     [rax+0x18]System.Func`3[System.__Canon,System.Threading.CancellationToken,System.__Canon]:Invoke(System.__Canon,System.Threading.CancellationToken):System.__Canon:this
        cmp      byte  ptr [rax], al
        mov      gword ptr [rbp-0x50], rax
        xor      edi, edi
        mov      dword ptr [rbp-0x48], edi
        test     byte  ptr [rbp-0x48], 4
        jne      SHORT G_M60193_IG48
        mov      rdi, gword ptr [rbp-0x50]
        test     dword ptr [rdi+0x34], 0xD1FFAB1E
        jne      G_M60193_IG56
 						;; size=52 bbWeight=4 PerfScore 90.00
 G_M60193_IG48:
        mov      dword ptr [rbp-0x3C], 1
        mov      dword ptr [r15+0x28], 1
        lea      rdi, bword ptr [r15+0x40]
        mov      rsi, gword ptr [rbp-0x50]
        call     CORINFO_HELP_CHECKED_ASSIGN_REF
        mov      edi, dword ptr [rbp-0x48]
        mov      dword ptr [r15+0x48], edi
        mov      rax, qword ptr [rbp-0x38]
        mov      rdi, qword ptr [rax+0x30]
        mov      rdi, qword ptr [rdi]
        mov      rdi, qword ptr [rdi+0x10]
        test     rdi, rdi
        je       G_M60193_IG57
 						;; size=59 bbWeight=1 PerfScore 14.75
 G_M60193_IG49:
        mov      rax, qword ptr [rbp-0x38]
 						;; size=4 bbWeight=0.80 PerfScore 0.80
 G_M60193_IG50:
        lea      rbx, bword ptr [r15+0x30]
        mov      rsi, qword ptr [rdi+0x18]
        mov      rsi, qword ptr [rsi+0x18]
        test     rsi, rsi
        je       G_M60193_IG58
 						;; size=21 bbWeight=1 PerfScore 5.75
 G_M60193_IG51:
        mov      rdi, qword ptr [rsi+0x18]
        mov      rdi, qword ptr [rdi+0x18]
        test     rdi, rdi
        je       G_M60193_IG59
 						;; size=17 bbWeight=1 PerfScore 5.25
 G_M60193_IG52:
        mov      rsi, r15
        mov      rdx, rbx
        mov      rcx, 0xD1FFAB1E      ; code for System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[System.Threading.Tasks.VoidTaskResult]:GetStateMachineBox[Microsoft.Extensions.Hosting.Internal.Host+<ForeachService>d__17`1[System.__Canon]](byref,byref):System.Runtime.CompilerServices.IAsyncStateMachineBox
        call     [rcx]System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[System.Threading.Tasks.VoidTaskResult]:GetStateMachineBox[Microsoft.Extensions.Hosting.Internal.Host+<ForeachService>d__17`1[System.__Canon]](byref,byref):System.Runtime.CompilerServices.IAsyncStateMachineBox
        mov      rsi, rax
        lea      rdi, [rbp-0x50]
        mov      rax, 0xD1FFAB1E      ; code for System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[System.Threading.Tasks.VoidTaskResult]:AwaitUnsafeOnCompleted[System.Runtime.CompilerServices.ConfiguredTaskAwaitable+ConfiguredTaskAwaiter](byref,System.Runtime.CompilerServices.IAsyncStateMachineBox)
        call     [rax]System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[System.Threading.Tasks.VoidTaskResult]:AwaitUnsafeOnCompleted[System.Runtime.CompilerServices.ConfiguredTaskAwaitable+ConfiguredTaskAwaiter](byref,System.Runtime.CompilerServices.IAsyncStateMachineBox)
        jmp      G_M60193_IG61
 						;; size=42 bbWeight=1 PerfScore 9.75
 G_M60193_IG53:
        lea      rbx, bword ptr [r15+0x40]
 						;; size=4 bbWeight=4 PerfScore 2.00
 G_M60193_IG54:
        vmovdqu  xmm0, xmmword ptr [rbx]
        vmovdqu  xmmword ptr [rbp-0x50], xmm0
 						;; size=9 bbWeight=4 PerfScore 20.00
 G_M60193_IG55:
        xor      edi, edi
        mov      qword ptr [rbx], rdi
        mov      qword ptr [rbx+0x08], rdi
        mov      dword ptr [rbp-0x3C], -1
        mov      dword ptr [r15+0x28], -1
        mov      r15, bword ptr [rbp-0x58]
 						;; size=28 bbWeight=4 PerfScore 21.00
 G_M60193_IG56:
        mov      rdi, gword ptr [rbp-0x50]
        mov      esi, dword ptr [rbp-0x48]
        mov      eax, dword ptr [rdi+0x34]
        and      eax, 0xD1FFAB1E
        cmp      eax, 0xD1FFAB1E
        je       G_M60193_IG43
        mov      rcx, rdi
        mov      rdi, rcx
        mov      rcx, 0xD1FFAB1E      ; code for System.Runtime.CompilerServices.TaskAwaiter:HandleNonSuccessAndDebuggerNotification(System.Threading.Tasks.Task,int)
        call     [rcx]System.Runtime.CompilerServices.TaskAwaiter:HandleNonSuccessAndDebuggerNotification(System.Threading.Tasks.Task,int)
        jmp      G_M60193_IG43
 						;; size=49 bbWeight=8 PerfScore 90.00
 G_M60193_IG57:
        mov      rax, qword ptr [rbp-0x38]
        mov      rdi, rax
        mov      rsi, 0xD1FFAB1E      ; global ptr
        call     CORINFO_HELP_RUNTIMEHANDLE_CLASS
        mov      rdi, rax
        mov      rax, qword ptr [rbp-0x38]
        jmp      G_M60193_IG50
 						;; size=34 bbWeight=0.20 PerfScore 1.15
 G_M60193_IG58:
        mov      rsi, 0xD1FFAB1E      ; global ptr
        call     CORINFO_HELP_RUNTIMEHANDLE_METHOD
        mov      rsi, rax
        mov      rax, qword ptr [rbp-0x38]
        jmp      G_M60193_IG51
 						;; size=27 bbWeight=0.20 PerfScore 0.90
 G_M60193_IG59:
        mov      rdi, rsi
        mov      rsi, 0xD1FFAB1E      ; global ptr
        call     CORINFO_HELP_RUNTIMEHANDLE_METHOD
        mov      rdi, rax
        jmp      G_M60193_IG52
 						;; size=26 bbWeight=0.20 PerfScore 0.75
 G_M60193_IG60:
        nop      
        jmp      SHORT G_M60193_IG66
 						;; size=3 bbWeight=0 PerfScore 0.00
 G_M60193_IG61:
        mov      rdi, rsp
 						;; size=3 bbWeight=1 PerfScore 0.25
 G_M60193_IG62:
        call     G_M60193_IG94
        jmp      G_M60193_IG70
 						;; size=10 bbWeight=1 PerfScore 3.00
 G_M60193_IG63:
        cmp      dword ptr [rbp-0x3C], 0
        jge      SHORT G_M60193_IG64
        cmp      gword ptr [r15+0x20], 0
        je       SHORT G_M60193_IG64
        mov      rdi, gword ptr [r15+0x20]
        mov      r11, 0xD1FFAB1E      ; code for System.IDisposable:Dispose():this
        call     [r11]System.IDisposable:Dispose():this
 						;; size=30 bbWeight=1 PerfScore 12.25
 G_M60193_IG64:
        xor      rdi, rdi
        mov      gword ptr [r15+0x20], rdi
        jmp      SHORT G_M60193_IG68
 						;; size=8 bbWeight=1 PerfScore 3.25
 G_M60193_IG65:
        mov      rax, qword ptr [rbp-0x38]
        mov      rdi, rax
        mov      rsi, 0xD1FFAB1E      ; global ptr
        call     CORINFO_HELP_RUNTIMEHANDLE_CLASS
        mov      r11, rax
        mov      rdi, bword ptr [rbp-0x58]
        jmp      G_M60193_IG05
 						;; size=34 bbWeight=0.36 PerfScore 2.07
 G_M60193_IG66:
        mov      rdi, rsp
 						;; size=3 bbWeight=0 PerfScore 0.00
 G_M60193_IG67:
        call     G_M60193_IG94
        nop      
 						;; size=6 bbWeight=0 PerfScore 0.00
 G_M60193_IG68:
        mov      r15, bword ptr [rbp-0x58]
        mov      dword ptr [r15+0x28], -2
        lea      rdi, bword ptr [r15+0x30]
        cmp      gword ptr [rdi], 0
        jne      SHORT G_M60193_IG69
        mov      rsi, 0xD1FFAB1E      ; const ptr
        mov      rsi, gword ptr [rsi]
        call     CORINFO_HELP_CHECKED_ASSIGN_REF
        jmp      SHORT G_M60193_IG70
 						;; size=42 bbWeight=1 PerfScore 11.75
 G_M60193_IG69:
        mov      rdi, gword ptr [rdi]
-       xor      eax, eax
-       mov      dword ptr [rsp], eax
+       xor      esi, esi
        mov      rax, 0xD1FFAB1E      ; code for System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[System.Threading.Tasks.VoidTaskResult]:SetExistingTaskResult(System.Threading.Tasks.Task`1[System.Threading.Tasks.VoidTaskResult],System.Threading.Tasks.VoidTaskResult)
        call     [rax]System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[System.Threading.Tasks.VoidTaskResult]:SetExistingTaskResult(System.Threading.Tasks.Task`1[System.Threading.Tasks.VoidTaskResult],System.Threading.Tasks.VoidTaskResult)
-						;; size=20 bbWeight=1 PerfScore 6.50
+						;; size=17 bbWeight=1 PerfScore 5.50
 G_M60193_IG70:
        nop      
 						;; size=1 bbWeight=1 PerfScore 0.25
 G_M60193_IG71:
-       add      rsp, 88
+       add      rsp, 72
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=1 PerfScore 4.25
 G_M60193_IG72:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
-       sub      rsp, 24
-       mov      rbp, qword ptr [rdi+0x08]
-       mov      qword ptr [rsp+0x08], rbp
-       lea      rbp, [rbp+0x80]
-						;; size=30 bbWeight=0 PerfScore 0.00
+       push     rax
+       mov      rbp, qword ptr [rdi]
+       mov      qword ptr [rsp], rbp
+       lea      rbp, [rbp+0x70]
+						;; size=22 bbWeight=0 PerfScore 0.00
 G_M60193_IG73:
        mov      rdx, rsi
        mov      r15, bword ptr [rbp-0x58]
        mov      rdi, gword ptr [r15+0x10]
        inc      dword ptr [rdi+0x14]
        mov      rax, gword ptr [rdi+0x08]
        mov      ebx, dword ptr [rdi+0x10]
        cmp      dword ptr [rax+0x08], ebx
        ja       SHORT G_M60193_IG74
        mov      rsi, rdx
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.List`1[System.__Canon]:AddWithResize(System.__Canon):this
        call     [rax]System.Collections.Generic.List`1[System.__Canon]:AddWithResize(System.__Canon):this
        jmp      SHORT G_M60193_IG75
 						;; size=43 bbWeight=0 PerfScore 0.00
 G_M60193_IG74:
        lea      esi, [rbx+0x01]
        mov      dword ptr [rdi+0x10], esi
        movsxd   rsi, ebx
        mov      rdi, rax
        mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_ARRADDR_ST
        call     [rax]CORINFO_HELP_ARRADDR_ST
 						;; size=24 bbWeight=0 PerfScore 0.00
 G_M60193_IG75:
        lea      rax, G_M60193_IG10
 						;; size=7 bbWeight=0 PerfScore 0.00
 G_M60193_IG76:
-       add      rsp, 24
+       add      rsp, 8
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=0 PerfScore 0.00
 G_M60193_IG77:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
-       sub      rsp, 24
-       mov      rbp, qword ptr [rdi+0x08]
-       mov      qword ptr [rsp+0x08], rbp
-       lea      rbp, [rbp+0x80]
-						;; size=30 bbWeight=0 PerfScore 0.00
+       push     rax
+       mov      rbp, qword ptr [rdi]
+       mov      qword ptr [rsp], rbp
+       lea      rbp, [rbp+0x70]
+						;; size=22 bbWeight=0 PerfScore 0.00
 G_M60193_IG78:
        cmp      dword ptr [rbp-0x3C], 0
        jge      SHORT G_M60193_IG79
        cmp      gword ptr [rbp-0x68], 0
        je       SHORT G_M60193_IG79
        mov      rdi, gword ptr [rbp-0x68]
        mov      r11, 0xD1FFAB1E      ; code for System.IDisposable:Dispose():this
        call     [r11]System.IDisposable:Dispose():this
 						;; size=30 bbWeight=0 PerfScore 0.00
 G_M60193_IG79:
        nop      
 						;; size=1 bbWeight=0 PerfScore 0.00
 G_M60193_IG80:
-       add      rsp, 24
+       add      rsp, 8
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=0 PerfScore 0.00
 G_M60193_IG81:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
-       sub      rsp, 24
-       mov      rbp, qword ptr [rdi+0x08]
-       mov      qword ptr [rsp+0x08], rbp
-       lea      rbp, [rbp+0x80]
-						;; size=30 bbWeight=0 PerfScore 0.00
+       push     rax
+       mov      rbp, qword ptr [rdi]
+       mov      qword ptr [rsp], rbp
+       lea      rbp, [rbp+0x70]
+						;; size=22 bbWeight=0 PerfScore 0.00
 G_M60193_IG82:
        mov      rbx, rsi
        mov      r15, bword ptr [rbp-0x58]
        mov      rdi, gword ptr [r15+0x18]
        mov      rax, 0xD1FFAB1E      ; code for System.Threading.Tasks.Task:get_IsFaulted():ubyte:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Threading.Tasks.Task:get_IsFaulted():ubyte:this
        test     eax, eax
        jne      SHORT G_M60193_IG84
        mov      rdi, gword ptr [r15+0x10]
        inc      dword ptr [rdi+0x14]
        mov      rax, gword ptr [rdi+0x08]
        mov      r14d, dword ptr [rdi+0x10]
        cmp      dword ptr [rax+0x08], r14d
        ja       SHORT G_M60193_IG83
        mov      rsi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.List`1[System.__Canon]:AddWithResize(System.__Canon):this
        call     [rax]System.Collections.Generic.List`1[System.__Canon]:AddWithResize(System.__Canon):this
        jmp      SHORT G_M60193_IG85
 						;; size=67 bbWeight=0 PerfScore 0.00
 G_M60193_IG83:
        lea      esi, [r14+0x01]
        mov      dword ptr [rdi+0x10], esi
        movsxd   rsi, r14d
        mov      rdi, rax
        mov      rdx, rbx
        mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_ARRADDR_ST
        call     [rax]CORINFO_HELP_ARRADDR_ST
        jmp      SHORT G_M60193_IG85
 						;; size=30 bbWeight=0 PerfScore 0.00
 G_M60193_IG84:
        mov      rbx, gword ptr [r15+0x10]
        mov      rdi, gword ptr [r15+0x18]
        mov      rax, 0xD1FFAB1E      ; code for System.Threading.Tasks.Task:get_Exception():System.AggregateException:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Threading.Tasks.Task:get_Exception():System.AggregateException:this
        mov      rdi, rax
        mov      rax, 0xD1FFAB1E      ; code for System.AggregateException:get_InnerExceptions():System.Collections.ObjectModel.ReadOnlyCollection`1[System.Exception]:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.AggregateException:get_InnerExceptions():System.Collections.ObjectModel.ReadOnlyCollection`1[System.Exception]:this
        mov      rsi, rax
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.List`1[System.__Canon]:AddRange(System.Collections.Generic.IEnumerable`1[System.__Canon]):this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Collections.Generic.List`1[System.__Canon]:AddRange(System.Collections.Generic.IEnumerable`1[System.__Canon]):this
 						;; size=59 bbWeight=0 PerfScore 0.00
 G_M60193_IG85:
        lea      rax, G_M60193_IG41
 						;; size=7 bbWeight=0 PerfScore 0.00
 G_M60193_IG86:
-       add      rsp, 24
+       add      rsp, 8
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=0 PerfScore 0.00
 G_M60193_IG87:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
-       sub      rsp, 24
-       mov      rbp, qword ptr [rdi+0x08]
-       mov      qword ptr [rsp+0x08], rbp
-       lea      rbp, [rbp+0x80]
-						;; size=30 bbWeight=0 PerfScore 0.00
+       push     rax
+       mov      rbp, qword ptr [rdi]
+       mov      qword ptr [rsp], rbp
+       lea      rbp, [rbp+0x70]
+						;; size=22 bbWeight=0 PerfScore 0.00
 G_M60193_IG88:
        mov      rdx, rsi
        mov      r15, bword ptr [rbp-0x58]
        mov      rdi, gword ptr [r15+0x10]
        inc      dword ptr [rdi+0x14]
        mov      rax, gword ptr [rdi+0x08]
        mov      ebx, dword ptr [rdi+0x10]
        cmp      dword ptr [rax+0x08], ebx
        ja       SHORT G_M60193_IG89
        mov      rsi, rdx
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.List`1[System.__Canon]:AddWithResize(System.__Canon):this
        call     [rax]System.Collections.Generic.List`1[System.__Canon]:AddWithResize(System.__Canon):this
        jmp      SHORT G_M60193_IG90
 						;; size=43 bbWeight=0 PerfScore 0.00
 G_M60193_IG89:
        lea      esi, [rbx+0x01]
        mov      dword ptr [rdi+0x10], esi
        movsxd   rsi, ebx
        mov      rdi, rax
        mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_ARRADDR_ST
        call     [rax]CORINFO_HELP_ARRADDR_ST
 						;; size=24 bbWeight=0 PerfScore 0.00
 G_M60193_IG90:
        cmp      byte  ptr [r15+0x2D], 0
        jne      SHORT G_M60193_IG92
        lea      rax, G_M60193_IG43
 						;; size=14 bbWeight=0 PerfScore 0.00
 G_M60193_IG91:
-       add      rsp, 24
+       add      rsp, 8
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=0 PerfScore 0.00
 G_M60193_IG92:
        lea      rax, G_M60193_IG60
 						;; size=7 bbWeight=0 PerfScore 0.00
 G_M60193_IG93:
-       add      rsp, 24
+       add      rsp, 8
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=0 PerfScore 0.00
 G_M60193_IG94:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
-       sub      rsp, 24
-       mov      rbp, qword ptr [rdi+0x08]
-       mov      qword ptr [rsp+0x08], rbp
-       lea      rbp, [rbp+0x80]
-						;; size=30 bbWeight=1 PerfScore 9.75
+       push     rax
+       mov      rbp, qword ptr [rdi]
+       mov      qword ptr [rsp], rbp
+       lea      rbp, [rbp+0x70]
+						;; size=22 bbWeight=1 PerfScore 10.50
 G_M60193_IG95:
        cmp      dword ptr [rbp-0x3C], 0
        jge      SHORT G_M60193_IG96
        mov      r15, bword ptr [rbp-0x58]
        mov      rdi, gword ptr [r15+0x20]
        test     rdi, rdi
        je       SHORT G_M60193_IG96
        mov      r11, 0xD1FFAB1E      ; code for System.IDisposable:Dispose():this
        call     [r11]System.IDisposable:Dispose():this
        nop      
 						;; size=33 bbWeight=1 PerfScore 10.75
 G_M60193_IG96:
-       add      rsp, 24
+       add      rsp, 8
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=1 PerfScore 4.25
 G_M60193_IG97:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
-       sub      rsp, 24
-       mov      rbp, qword ptr [rdi+0x08]
-       mov      qword ptr [rsp+0x08], rbp
-       lea      rbp, [rbp+0x80]
-						;; size=30 bbWeight=0 PerfScore 0.00
+       push     rax
+       mov      rbp, qword ptr [rdi]
+       mov      qword ptr [rsp], rbp
+       lea      rbp, [rbp+0x70]
+						;; size=22 bbWeight=0 PerfScore 0.00
 G_M60193_IG98:
        mov      r15, bword ptr [rbp-0x58]
        mov      dword ptr [r15+0x28], -2
        lea      rdi, bword ptr [r15+0x30]
        mov      rax, 0xD1FFAB1E      ; code for System.Runtime.CompilerServices.AsyncTaskMethodBuilder:SetException(System.Exception):this
        call     [rax]System.Runtime.CompilerServices.AsyncTaskMethodBuilder:SetException(System.Exception):this
        lea      rax, G_M60193_IG70
 						;; size=35 bbWeight=0 PerfScore 0.00
 G_M60193_IG99:
-       add      rsp, 24
+       add      rsp, 8
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=15 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 2497, prolog size 51, PerfScore 1500.28, instruction count 644, allocated bytes for code 2497 (MethodHash=36b514de) for method Microsoft.Extensions.Hosting.Internal.Host+<ForeachService>d__17`1[System.__Canon]:MoveNext():this (FullOpts)
+; Total bytes of code 2443, prolog size 48, PerfScore 1500.03, instruction count 643, allocated bytes for code 2443 (MethodHash=36b514de) for method Microsoft.Extensions.Hosting.Internal.Host+<ForeachService>d__17`1[System.__Canon]:MoveNext():this (FullOpts)

Larger list of diffs: https://gist.github.com/MihuBot/fb1d884076b0aa4a2b1518631c762c8c

[MihuBot]

@jakobbotsch