[JitDiff X64] [EgorBo] [experiment] Move importervectorization to a late phase

[MihuBot]

Job completed in 4 minutes 12 seconds (remote runner delay: 0 seconds).
dotnet/runtime#129068

Main commit: dotnet/runtime@2d24182
PR commit: EgorBo/runtime-1@3521e0a

Diffs

Diffs

Found 104 files with textual diffs.

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 46558093
Total bytes of diff: 46556839
Total bytes of delta: -1254 (-0.00 % of base)
Total relative delta: -4.11
    diff is an improvement.
    relative diff is an improvement.


Top file regressions (bytes):
          80 : System.Security.Cryptography.dasm (0.01 % of base)
          18 : System.IO.Packaging.dasm (0.02 % of base)
           6 : System.Data.Odbc.dasm (0.00 % of base)
           2 : System.ComponentModel.TypeConverter.dasm (0.00 % of base)

Top file improvements (bytes):
        -514 : System.Net.ServerSentEvents.dasm (-0.48 % of base)
        -213 : System.Text.Json.dasm (-0.01 % of base)
        -156 : System.Private.DataContractSerialization.dasm (-0.02 % of base)
        -115 : System.Net.Http.dasm (-0.01 % of base)
         -85 : System.Security.Cryptography.Pkcs.dasm (-0.02 % of base)
         -56 : System.Formats.Tar.dasm (-0.04 % of base)
         -48 : System.Net.Mail.dasm (-0.03 % of base)
         -40 : System.IO.Compression.dasm (-0.02 % of base)
         -28 : System.Net.NetworkInformation.dasm (-0.05 % of base)
         -18 : System.Diagnostics.DiagnosticSource.dasm (-0.01 % of base)
         -17 : Microsoft.Extensions.Options.dasm (-0.05 % of base)
         -17 : System.Private.CoreLib.dasm (-0.00 % of base)
         -12 : System.Formats.Nrbf.dasm (-0.02 % of base)
         -12 : System.Net.Primitives.dasm (-0.01 % of base)
         -12 : System.Net.Sockets.dasm (-0.00 % of base)
         -11 : Microsoft.Extensions.DependencyModel.dasm (-0.01 % of base)
          -3 : Microsoft.Extensions.Hosting.Systemd.dasm (-0.05 % of base)
          -3 : System.Net.Security.dasm (-0.00 % of base)

22 total files with Code Size differences (18 improved, 4 regressed), 238 unchanged.

Top method regressions (bytes):
          19 (3.10 % of base) : System.Security.Cryptography.dasm - Internal.Cryptography.PkcsHelpers:GetOidFromHashAlgorithm(System.Security.Cryptography.HashAlgorithmName):System.String (FullOpts)
          19 (3.10 % of base) : System.Security.Cryptography.Pkcs.dasm - Internal.Cryptography.PkcsHelpers:GetOidFromHashAlgorithm(System.Security.Cryptography.HashAlgorithmName):System.String (FullOpts)
          18 (1.90 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.PasswordBasedEncryption:InitiateEncryption(System.Security.Cryptography.PbeParameters,byref,byref,byref,byref) (FullOpts)
          18 (1.90 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.PasswordBasedEncryption:InitiateEncryption(System.Security.Cryptography.PbeParameters,byref,byref,byref,byref) (FullOpts)
          17 (2.80 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Pkcs.CmsSignature+RSAPssCmsSignature:Sign(System.ReadOnlySpan`1[byte],System.String,System.Security.Cryptography.X509Certificates.X509Certificate2,System.Object,bool,byref,byref,byref):bool:this (FullOpts)
          16 (2.83 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.Rfc2898DeriveBytes:OpenHmac(System.ReadOnlySpan`1[byte]):System.Security.Cryptography.IncrementalHash:this (FullOpts)
          12 (1.94 % of base) : System.Security.Cryptography.dasm - Internal.Cryptography.Helpers:HashLength(System.Security.Cryptography.HashAlgorithmName):int (FullOpts)
          12 (3.55 % of base) : System.IO.Packaging.dasm - System.IO.Packaging.PackUriHelper:ComparePackUri(System.Uri,System.Uri):int (FullOpts)
          12 (1.28 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.X509Certificates.RSAPssX509SignatureGenerator:GetSignatureAlgorithmIdentifier(System.Security.Cryptography.HashAlgorithmName):byte[]:this (FullOpts)
           9 (1.66 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.Rfc2898DeriveBytes:ValidateHashAlgorithm(System.Security.Cryptography.HashAlgorithmName) (FullOpts)
           8 (5.06 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.DSACryptoServiceProvider:SignData(byte[],int,int,System.Security.Cryptography.HashAlgorithmName):byte[]:this (FullOpts)
           8 (1.09 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.X509Certificates.ECDsaX509SignatureGenerator:GetSignatureAlgorithmIdentifier(System.Security.Cryptography.HashAlgorithmName):byte[]:this (FullOpts)
           8 (1.06 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.X509Certificates.RSAPkcs1X509SignatureGenerator:GetSignatureAlgorithmIdentifier(System.Security.Cryptography.HashAlgorithmName):byte[]:this (FullOpts)
           6 (0.51 % of base) : System.Data.Odbc.dasm - System.Data.Odbc.OdbcMetaDataFactory:PrepareCollection(System.String,System.String[],System.Data.Common.DbConnection):System.Data.DataTable:this (FullOpts)
           6 (2.03 % of base) : System.IO.Packaging.dasm - System.IO.Packaging.PackUriHelper:ValidatePackUri(System.Uri):System.Uri (FullOpts)
           6 (2.93 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.DSACryptoServiceProvider:HashData(byte[],int,int,System.Security.Cryptography.HashAlgorithmName):byte[]:this (FullOpts)
           6 (3.05 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.DSACryptoServiceProvider:HashData(System.IO.Stream,System.Security.Cryptography.HashAlgorithmName):byte[]:this (FullOpts)
           6 (3.87 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.DSACryptoServiceProvider:SignData(System.IO.Stream,System.Security.Cryptography.HashAlgorithmName):byte[]:this (FullOpts)
           6 (2.65 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.DSACryptoServiceProvider:TryHashData(System.ReadOnlySpan`1[byte],System.Span`1[byte],System.Security.Cryptography.HashAlgorithmName,byref):bool:this (FullOpts)
           6 (3.87 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.DSACryptoServiceProvider:VerifyData(System.IO.Stream,byte[],System.Security.Cryptography.HashAlgorithmName):bool:this (FullOpts)
           6 (1.70 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.PasswordBasedEncryption:ValidatePbeParameters(System.Security.Cryptography.PbeParameters,System.ReadOnlySpan`1[char],System.ReadOnlySpan`1[byte]) (FullOpts)
           6 (1.70 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.PasswordBasedEncryption:ValidatePbeParameters(System.Security.Cryptography.PbeParameters,System.ReadOnlySpan`1[char],System.ReadOnlySpan`1[byte]) (FullOpts)
           4 (2.42 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.DSACryptoServiceProvider:TrySignData(System.ReadOnlySpan`1[byte],System.Span`1[byte],System.Security.Cryptography.HashAlgorithmName,byref):bool:this (FullOpts)
           4 (2.55 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.DSACryptoServiceProvider:VerifyData(byte[],int,int,byte[],System.Security.Cryptography.HashAlgorithmName):bool:this (FullOpts)
           4 (2.55 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.DSACryptoServiceProvider:VerifyData(System.ReadOnlySpan`1[byte],System.ReadOnlySpan`1[byte],System.Security.Cryptography.HashAlgorithmName):bool:this (FullOpts)
           3 (0.96 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Asn1.ValuePbkdf2Params:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
           3 (0.72 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Pkcs.Asn1.EssCertIdV2:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
           2 (0.61 % of base) : System.ComponentModel.TypeConverter.dasm - System.ComponentModel.ReferenceConverter:ConvertFrom(System.ComponentModel.ITypeDescriptorContext,System.Globalization.CultureInfo,System.Object):System.Object:this (FullOpts)

Top method improvements (bytes):
         -66 (-27.27 % of base) : System.Private.DataContractSerialization.dasm - System.Runtime.Serialization.XmlObjectSerializerReadContext:ReadIfNullOrRef(System.Runtime.Serialization.XmlReaderDelegator,System.Type,bool):System.String:this (FullOpts)
         -62 (-21.09 % of base) : System.Text.Json.dasm - System.Text.Json.JsonSerializer:GetMetadataPropertyName(System.ReadOnlySpan`1[byte],System.Text.Json.Serialization.Metadata.PolymorphicTypeResolver):byte (FullOpts)
         -59 (-16.81 % of base) : System.Net.Http.dasm - System.Net.Http.HttpContent:GetPreambleLength(System.ReadOnlySpan`1[byte],System.Text.Encoding):int (FullOpts)
         -58 (-11.46 % of base) : System.Text.Json.dasm - System.Text.Json.JsonReaderHelper:TryGetFloatingPointConstant(System.ReadOnlySpan`1[byte],byref):bool (FullOpts) (3 methods)
         -49 (-14.12 % of base) : System.Net.Http.dasm - System.Net.Http.HttpContent:TryDetectEncoding(System.ReadOnlySpan`1[byte],byref,byref):bool (FullOpts)
         -46 (-7.42 % of base) : System.Formats.Tar.dasm - System.Formats.Tar.TarHeader:ReadVersionAttribute(System.ReadOnlySpan`1[byte]):this (FullOpts)
         -44 (-2.19 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[System.__Canon]:ProcessLine(byref,byref):bool:this (FullOpts)
         -44 (-2.07 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[System.Numerics.Vector`1[float]]:ProcessLine(byref,byref):bool:this (FullOpts)
         -43 (-2.47 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[byte]:ProcessLine(byref,byref):bool:this (FullOpts)
         -43 (-2.47 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[double]:ProcessLine(byref,byref):bool:this (FullOpts)
         -43 (-2.47 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[int]:ProcessLine(byref,byref):bool:this (FullOpts)
         -43 (-2.47 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[long]:ProcessLine(byref,byref):bool:this (FullOpts)
         -43 (-2.47 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[short]:ProcessLine(byref,byref):bool:this (FullOpts)
         -43 (-2.40 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[System.Nullable`1[int]]:ProcessLine(byref,byref):bool:this (FullOpts)
         -29 (-2.97 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.Asn1.ValuePssParamsAsn:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
         -29 (-2.97 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Asn1.ValuePssParamsAsn:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
         -29 (-2.82 % of base) : System.Text.Json.dasm - System.Text.Json.Utf8JsonReader:ConsumeValue(byte):bool:this (FullOpts)
         -21 (-5.43 % of base) : System.Private.DataContractSerialization.dasm - System.Runtime.Serialization.XmlObjectSerializerReadContext:TryHandleNullOrRef(System.Runtime.Serialization.XmlReaderDelegator,System.String,System.String,System.Type,byref):bool:this (FullOpts)
         -20 (-7.14 % of base) : System.Text.Json.dasm - System.Text.Json.Serialization.Converters.HalfConverter:TryParse(System.ReadOnlySpan`1[byte],byref):bool (FullOpts)
         -18 (-6.82 % of base) : System.Diagnostics.DiagnosticSource.dasm - System.Diagnostics.Activity:GenerateRootId():System.String (FullOpts)
         -18 (-1.76 % of base) : System.Private.DataContractSerialization.dasm - System.Runtime.Serialization.XmlObjectSerializerReadContext:ReadSerializationInfo(System.Runtime.Serialization.XmlReaderDelegator,System.Type):System.Runtime.Serialization.SerializationInfo:this (FullOpts)
         -17 (-2.05 % of base) : Microsoft.Extensions.Options.dasm - Microsoft.Extensions.Options.OptionsFactory`1[System.__Canon]:Create(System.String):System.__Canon:this (FullOpts)
         -17 (-8.21 % of base) : System.Private.DataContractSerialization.dasm - System.Runtime.Serialization.DataContracts.PrimitiveDataContract:TryReadNullAtTopLevel(System.Runtime.Serialization.XmlReaderDelegator):bool (FullOpts)
         -17 (-5.65 % of base) : System.Private.DataContractSerialization.dasm - System.Runtime.Serialization.XmlObjectSerializerReadContext:AddNewObjectWithId(System.String,System.Object):this (FullOpts)
         -17 (-2.87 % of base) : System.Private.DataContractSerialization.dasm - System.Runtime.Serialization.XmlObjectSerializerReadContext:ReplaceDeserializedObject(System.String,System.Object,System.Object):this (FullOpts)
         -16 (-0.85 % of base) : System.Security.Cryptography.Pkcs.dasm - Internal.Cryptography.PkcsHelpers:TryGetRsaOaepEncryptionPadding(System.Nullable`1[System.ReadOnlyMemory`1[byte]],byref,byref):bool (FullOpts)
         -16 (-3.34 % of base) : System.Net.NetworkInformation.dasm - System.IO.RowConfigReader:TryGetNextValue(System.String,byref):bool:this (FullOpts)
         -15 (-3.81 % of base) : System.Net.Mail.dasm - System.Net.Mime.ByteEncoder:EncodeBytes(System.ReadOnlySpan`1[byte],bool,bool):int:this (FullOpts)
         -15 (-0.85 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.X509Certificates.Asn1.TbsCertificateAsn:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
         -14 (-3.04 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Asn1.ValueX509ExtensionAsn:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
         -14 (-2.55 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.Asn1.X509ExtensionAsn:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
         -14 (-2.55 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Asn1.X509ExtensionAsn:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
         -14 (-1.74 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Pkcs.Asn1.Rfc3161TimeStampReq:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
         -14 (-1.11 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Pkcs.Asn1.Rfc3161TstInfo:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
         -14 (-1.53 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Pkcs.Asn1.ValueRfc3161TstInfo:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
         -14 (-4.52 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.X509Certificates.Asn1.BasicConstraintsAsn:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
         -13 (-0.71 % of base) : System.Text.Json.dasm - System.Text.Json.Serialization.PipeReadBufferState:ProcessReadBytes():this (FullOpts)
         -12 (-26.09 % of base) : System.Formats.Nrbf.dasm - System.Formats.Nrbf.NrbfDecoder:StartsWithPayloadHeader(System.ReadOnlySpan`1[byte]):bool (FullOpts)
         -12 (-5.41 % of base) : System.Net.NetworkInformation.dasm - System.IO.RowConfigReader:TryFindNextKeyOccurrence(System.String,int,byref):bool:this (FullOpts)
         -12 (-16.00 % of base) : System.Net.Primitives.dasm - System.Net.IPAddress:get_IsIPv4MappedToIPv6():bool:this (FullOpts)
         -12 (-0.42 % of base) : System.Net.Sockets.dasm - System.Net.Sockets.SocketAsyncEventArgs:<DnsConnectAsync>g__Core|113_0(System.Net.Sockets.SocketAsyncEventArgs+MultiConnectSocketAsyncEventArgs,System.Threading.Tasks.Task`1[System.Net.IPAddress[]],int,int,int,System.Net.Sockets.SocketAsyncEventArgs+ParallelMultiConnectSocketState,System.Threading.CancellationToken):this (FullOpts)
         -12 (-4.71 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Pkcs.CmsSignature+RSAPkcs1CmsSignature:GetSignaturePadding(System.Nullable`1[System.ReadOnlyMemory`1[byte]],System.String,System.Security.Cryptography.HashAlgorithmName,int):System.Security.Cryptography.RSASignaturePadding:this (FullOpts)
         -11 (-1.53 % of base) : Microsoft.Extensions.DependencyModel.dasm - Microsoft.Extensions.DependencyModel.DependencyContextJsonReader:ReadToEnd(System.IO.Stream):System.ArraySegment`1[byte] (FullOpts)
         -11 (-1.64 % of base) : System.Net.Mail.dasm - System.Net.Mime.ByteEncoder:EncodeString(System.String,System.Text.Encoding):int:this (FullOpts)
         -11 (-29.73 % of base) : System.Net.Mail.dasm - System.Net.Mime.ByteEncoder:IsCRLF(System.ReadOnlySpan`1[byte]):bool (FullOpts)
         -11 (-11.22 % of base) : System.Net.Mail.dasm - System.Net.Mime.QEncoder:LineBreakNeeded(System.ReadOnlySpan`1[byte]):bool:this (FullOpts)
         -11 (-8.46 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[byte]:GetNewLineLength():int:this (FullOpts)
         -11 (-8.46 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[double]:GetNewLineLength():int:this (FullOpts)
         -11 (-8.46 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[int]:GetNewLineLength():int:this (FullOpts)
         -11 (-8.46 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[long]:GetNewLineLength():int:this (FullOpts)
         -11 (-8.46 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[short]:GetNewLineLength():int:this (FullOpts)
         -11 (-8.46 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[System.__Canon]:GetNewLineLength():int:this (FullOpts)
         -11 (-8.46 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[System.Nullable`1[int]]:GetNewLineLength():int:this (FullOpts)
         -11 (-8.46 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[System.Numerics.Vector`1[float]]:GetNewLineLength():int:this (FullOpts)
         -11 (-2.64 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Asn1.Pkcs12.MacData:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
         -11 (-3.41 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Asn1.Pkcs12.ValueMacData:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
         -11 (-1.53 % of base) : System.Text.Json.dasm - System.Text.Json.JsonDocument:ReadToEnd(System.IO.Stream):System.ArraySegment`1[byte] (FullOpts)
         -10 (-2.23 % of base) : System.Formats.Tar.dasm - System.Formats.Tar.TarHeader:ReadMagicAttribute(System.ReadOnlySpan`1[byte]):this (FullOpts)
         -10 (-9.71 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[byte]:SkipBomIfPresent():this (FullOpts)
         -10 (-9.71 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[double]:SkipBomIfPresent():this (FullOpts)
         -10 (-9.71 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[int]:SkipBomIfPresent():this (FullOpts)
         -10 (-9.71 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[long]:SkipBomIfPresent():this (FullOpts)
         -10 (-9.71 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[short]:SkipBomIfPresent():this (FullOpts)
         -10 (-9.71 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[System.__Canon]:SkipBomIfPresent():this (FullOpts)
         -10 (-9.71 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[System.Nullable`1[int]]:SkipBomIfPresent():this (FullOpts)
         -10 (-9.71 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[System.Numerics.Vector`1[float]]:SkipBomIfPresent():this (FullOpts)
         -10 (-0.44 % of base) : System.Text.Json.dasm - System.Text.Json.JsonDocument+<ReadToEndAsync>d__85:MoveNext():this (FullOpts)
         -10 (-7.81 % of base) : System.Text.Json.dasm - System.Text.Json.Serialization.StreamReadBufferState:ProcessReadBytes():this (FullOpts)
          -8 (-0.15 % of base) : System.Private.CoreLib.dasm - System.Globalization.TimeSpanParse:ProcessTerminal_HM_S_D(byref,byte,byref):bool (FullOpts)
          -8 (-1.95 % of base) : System.IO.Compression.dasm - System.IO.Compression.Zip64EndOfCentralDirectoryRecord:TryReadBlockCore(System.Span`1[byte],int,byref):bool (FullOpts)
          -8 (-1.12 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipCentralDirectoryFileHeader:TryReadBlockInitialize(System.ReadOnlySpan`1[byte],byref,byref,byref,byref,byref,byref):bool (FullOpts)
          -8 (-1.98 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipLocalFileHeader:TrySkipBlock(System.IO.Stream):bool (FullOpts)
          -8 (-0.75 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipLocalFileHeader:TrySkipBlockAsync(System.IO.Stream,System.Threading.CancellationToken):bool (FullOpts)
          -8 (-7.14 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipLocalFileHeader:TrySkipBlockCore(System.IO.Stream,System.Span`1[byte],int,long):bool (FullOpts)
          -8 (-4.73 % of base) : System.Private.CoreLib.dasm - System.Reflection.AssemblyNameHelpers:IsValidPublicKey(byte[]):bool (FullOpts)
          -7 (-0.49 % of base) : System.Net.Http.dasm - System.Net.Http.HttpConnection:ParseStatusLineCore(System.Span`1[byte],System.Net.Http.HttpResponseMessage) (FullOpts)
          -6 (-2.03 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.RSACryptoServiceProvider:CheckSHA3HashAlgorithm(System.Security.Cryptography.HashAlgorithmName) (FullOpts)
          -3 (-0.59 % of base) : Microsoft.Extensions.Hosting.Systemd.dasm - Microsoft.Extensions.Hosting.Systemd.SystemdHelpers:GetIsSystemdService():bool (FullOpts)
          -3 (-0.12 % of base) : System.Net.Security.dasm - System.Net.NegotiateAuthenticationPal+ManagedNtlmNegotiateAuthenticationPal:ProcessChallenge(System.ReadOnlySpan`1[byte],byref):byte[]:this (FullOpts)
          -2 (-0.28 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Asn1.OaepParamsAsn:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
          -1 (-0.23 % of base) : System.Private.CoreLib.dasm - System.Reflection.Emit.RuntimeTypeBuilder:DefineMethodCore(System.String,int,int,System.Type,System.Type[],System.Type[],System.Type[],System.Type[][],System.Type[][]):System.Reflection.Emit.MethodBuilder:this (FullOpts)

Top method regressions (percentages):
           8 (5.06 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.DSACryptoServiceProvider:SignData(byte[],int,int,System.Security.Cryptography.HashAlgorithmName):byte[]:this (FullOpts)
           6 (3.87 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.DSACryptoServiceProvider:SignData(System.IO.Stream,System.Security.Cryptography.HashAlgorithmName):byte[]:this (FullOpts)
           6 (3.87 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.DSACryptoServiceProvider:VerifyData(System.IO.Stream,byte[],System.Security.Cryptography.HashAlgorithmName):bool:this (FullOpts)
          12 (3.55 % of base) : System.IO.Packaging.dasm - System.IO.Packaging.PackUriHelper:ComparePackUri(System.Uri,System.Uri):int (FullOpts)
          19 (3.10 % of base) : System.Security.Cryptography.dasm - Internal.Cryptography.PkcsHelpers:GetOidFromHashAlgorithm(System.Security.Cryptography.HashAlgorithmName):System.String (FullOpts)
          19 (3.10 % of base) : System.Security.Cryptography.Pkcs.dasm - Internal.Cryptography.PkcsHelpers:GetOidFromHashAlgorithm(System.Security.Cryptography.HashAlgorithmName):System.String (FullOpts)
           6 (3.05 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.DSACryptoServiceProvider:HashData(System.IO.Stream,System.Security.Cryptography.HashAlgorithmName):byte[]:this (FullOpts)
           6 (2.93 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.DSACryptoServiceProvider:HashData(byte[],int,int,System.Security.Cryptography.HashAlgorithmName):byte[]:this (FullOpts)
          16 (2.83 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.Rfc2898DeriveBytes:OpenHmac(System.ReadOnlySpan`1[byte]):System.Security.Cryptography.IncrementalHash:this (FullOpts)
          17 (2.80 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Pkcs.CmsSignature+RSAPssCmsSignature:Sign(System.ReadOnlySpan`1[byte],System.String,System.Security.Cryptography.X509Certificates.X509Certificate2,System.Object,bool,byref,byref,byref):bool:this (FullOpts)
           6 (2.65 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.DSACryptoServiceProvider:TryHashData(System.ReadOnlySpan`1[byte],System.Span`1[byte],System.Security.Cryptography.HashAlgorithmName,byref):bool:this (FullOpts)
           4 (2.55 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.DSACryptoServiceProvider:VerifyData(byte[],int,int,byte[],System.Security.Cryptography.HashAlgorithmName):bool:this (FullOpts)
           4 (2.55 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.DSACryptoServiceProvider:VerifyData(System.ReadOnlySpan`1[byte],System.ReadOnlySpan`1[byte],System.Security.Cryptography.HashAlgorithmName):bool:this (FullOpts)
           4 (2.42 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.DSACryptoServiceProvider:TrySignData(System.ReadOnlySpan`1[byte],System.Span`1[byte],System.Security.Cryptography.HashAlgorithmName,byref):bool:this (FullOpts)
           6 (2.03 % of base) : System.IO.Packaging.dasm - System.IO.Packaging.PackUriHelper:ValidatePackUri(System.Uri):System.Uri (FullOpts)
          12 (1.94 % of base) : System.Security.Cryptography.dasm - Internal.Cryptography.Helpers:HashLength(System.Security.Cryptography.HashAlgorithmName):int (FullOpts)
          18 (1.90 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.PasswordBasedEncryption:InitiateEncryption(System.Security.Cryptography.PbeParameters,byref,byref,byref,byref) (FullOpts)
          18 (1.90 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.PasswordBasedEncryption:InitiateEncryption(System.Security.Cryptography.PbeParameters,byref,byref,byref,byref) (FullOpts)
           6 (1.70 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.PasswordBasedEncryption:ValidatePbeParameters(System.Security.Cryptography.PbeParameters,System.ReadOnlySpan`1[char],System.ReadOnlySpan`1[byte]) (FullOpts)
           6 (1.70 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.PasswordBasedEncryption:ValidatePbeParameters(System.Security.Cryptography.PbeParameters,System.ReadOnlySpan`1[char],System.ReadOnlySpan`1[byte]) (FullOpts)
           9 (1.66 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.Rfc2898DeriveBytes:ValidateHashAlgorithm(System.Security.Cryptography.HashAlgorithmName) (FullOpts)
          12 (1.28 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.X509Certificates.RSAPssX509SignatureGenerator:GetSignatureAlgorithmIdentifier(System.Security.Cryptography.HashAlgorithmName):byte[]:this (FullOpts)
           8 (1.09 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.X509Certificates.ECDsaX509SignatureGenerator:GetSignatureAlgorithmIdentifier(System.Security.Cryptography.HashAlgorithmName):byte[]:this (FullOpts)
           8 (1.06 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.X509Certificates.RSAPkcs1X509SignatureGenerator:GetSignatureAlgorithmIdentifier(System.Security.Cryptography.HashAlgorithmName):byte[]:this (FullOpts)
           3 (0.96 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Asn1.ValuePbkdf2Params:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
           3 (0.72 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Pkcs.Asn1.EssCertIdV2:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
           2 (0.61 % of base) : System.ComponentModel.TypeConverter.dasm - System.ComponentModel.ReferenceConverter:ConvertFrom(System.ComponentModel.ITypeDescriptorContext,System.Globalization.CultureInfo,System.Object):System.Object:this (FullOpts)
           6 (0.51 % of base) : System.Data.Odbc.dasm - System.Data.Odbc.OdbcMetaDataFactory:PrepareCollection(System.String,System.String[],System.Data.Common.DbConnection):System.Data.DataTable:this (FullOpts)

Top method improvements (percentages):
         -11 (-29.73 % of base) : System.Net.Mail.dasm - System.Net.Mime.ByteEncoder:IsCRLF(System.ReadOnlySpan`1[byte]):bool (FullOpts)
         -66 (-27.27 % of base) : System.Private.DataContractSerialization.dasm - System.Runtime.Serialization.XmlObjectSerializerReadContext:ReadIfNullOrRef(System.Runtime.Serialization.XmlReaderDelegator,System.Type,bool):System.String:this (FullOpts)
         -12 (-26.09 % of base) : System.Formats.Nrbf.dasm - System.Formats.Nrbf.NrbfDecoder:StartsWithPayloadHeader(System.ReadOnlySpan`1[byte]):bool (FullOpts)
         -62 (-21.09 % of base) : System.Text.Json.dasm - System.Text.Json.JsonSerializer:GetMetadataPropertyName(System.ReadOnlySpan`1[byte],System.Text.Json.Serialization.Metadata.PolymorphicTypeResolver):byte (FullOpts)
         -59 (-16.81 % of base) : System.Net.Http.dasm - System.Net.Http.HttpContent:GetPreambleLength(System.ReadOnlySpan`1[byte],System.Text.Encoding):int (FullOpts)
         -12 (-16.00 % of base) : System.Net.Primitives.dasm - System.Net.IPAddress:get_IsIPv4MappedToIPv6():bool:this (FullOpts)
         -49 (-14.12 % of base) : System.Net.Http.dasm - System.Net.Http.HttpContent:TryDetectEncoding(System.ReadOnlySpan`1[byte],byref,byref):bool (FullOpts)
         -58 (-11.46 % of base) : System.Text.Json.dasm - System.Text.Json.JsonReaderHelper:TryGetFloatingPointConstant(System.ReadOnlySpan`1[byte],byref):bool (FullOpts) (3 methods)
         -11 (-11.22 % of base) : System.Net.Mail.dasm - System.Net.Mime.QEncoder:LineBreakNeeded(System.ReadOnlySpan`1[byte]):bool:this (FullOpts)
         -10 (-9.71 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[byte]:SkipBomIfPresent():this (FullOpts)
         -10 (-9.71 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[double]:SkipBomIfPresent():this (FullOpts)
         -10 (-9.71 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[int]:SkipBomIfPresent():this (FullOpts)
         -10 (-9.71 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[long]:SkipBomIfPresent():this (FullOpts)
         -10 (-9.71 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[short]:SkipBomIfPresent():this (FullOpts)
         -10 (-9.71 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[System.__Canon]:SkipBomIfPresent():this (FullOpts)
         -10 (-9.71 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[System.Nullable`1[int]]:SkipBomIfPresent():this (FullOpts)
         -10 (-9.71 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[System.Numerics.Vector`1[float]]:SkipBomIfPresent():this (FullOpts)
         -11 (-8.46 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[byte]:GetNewLineLength():int:this (FullOpts)
         -11 (-8.46 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[double]:GetNewLineLength():int:this (FullOpts)
         -11 (-8.46 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[int]:GetNewLineLength():int:this (FullOpts)
         -11 (-8.46 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[long]:GetNewLineLength():int:this (FullOpts)
         -11 (-8.46 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[short]:GetNewLineLength():int:this (FullOpts)
         -11 (-8.46 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[System.__Canon]:GetNewLineLength():int:this (FullOpts)
         -11 (-8.46 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[System.Nullable`1[int]]:GetNewLineLength():int:this (FullOpts)
         -11 (-8.46 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[System.Numerics.Vector`1[float]]:GetNewLineLength():int:this (FullOpts)
         -17 (-8.21 % of base) : System.Private.DataContractSerialization.dasm - System.Runtime.Serialization.DataContracts.PrimitiveDataContract:TryReadNullAtTopLevel(System.Runtime.Serialization.XmlReaderDelegator):bool (FullOpts)
         -10 (-7.81 % of base) : System.Text.Json.dasm - System.Text.Json.Serialization.StreamReadBufferState:ProcessReadBytes():this (FullOpts)
         -46 (-7.42 % of base) : System.Formats.Tar.dasm - System.Formats.Tar.TarHeader:ReadVersionAttribute(System.ReadOnlySpan`1[byte]):this (FullOpts)
          -8 (-7.14 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipLocalFileHeader:TrySkipBlockCore(System.IO.Stream,System.Span`1[byte],int,long):bool (FullOpts)
         -20 (-7.14 % of base) : System.Text.Json.dasm - System.Text.Json.Serialization.Converters.HalfConverter:TryParse(System.ReadOnlySpan`1[byte],byref):bool (FullOpts)
         -18 (-6.82 % of base) : System.Diagnostics.DiagnosticSource.dasm - System.Diagnostics.Activity:GenerateRootId():System.String (FullOpts)
         -17 (-5.65 % of base) : System.Private.DataContractSerialization.dasm - System.Runtime.Serialization.XmlObjectSerializerReadContext:AddNewObjectWithId(System.String,System.Object):this (FullOpts)
         -21 (-5.43 % of base) : System.Private.DataContractSerialization.dasm - System.Runtime.Serialization.XmlObjectSerializerReadContext:TryHandleNullOrRef(System.Runtime.Serialization.XmlReaderDelegator,System.String,System.String,System.Type,byref):bool:this (FullOpts)
         -12 (-5.41 % of base) : System.Net.NetworkInformation.dasm - System.IO.RowConfigReader:TryFindNextKeyOccurrence(System.String,int,byref):bool:this (FullOpts)
          -8 (-4.73 % of base) : System.Private.CoreLib.dasm - System.Reflection.AssemblyNameHelpers:IsValidPublicKey(byte[]):bool (FullOpts)
         -12 (-4.71 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Pkcs.CmsSignature+RSAPkcs1CmsSignature:GetSignaturePadding(System.Nullable`1[System.ReadOnlyMemory`1[byte]],System.String,System.Security.Cryptography.HashAlgorithmName,int):System.Security.Cryptography.RSASignaturePadding:this (FullOpts)
         -14 (-4.52 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.X509Certificates.Asn1.BasicConstraintsAsn:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
         -15 (-3.81 % of base) : System.Net.Mail.dasm - System.Net.Mime.ByteEncoder:EncodeBytes(System.ReadOnlySpan`1[byte],bool,bool):int:this (FullOpts)
         -11 (-3.41 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Asn1.Pkcs12.ValueMacData:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
         -16 (-3.34 % of base) : System.Net.NetworkInformation.dasm - System.IO.RowConfigReader:TryGetNextValue(System.String,byref):bool:this (FullOpts)
         -14 (-3.04 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Asn1.ValueX509ExtensionAsn:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
         -29 (-2.97 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.Asn1.ValuePssParamsAsn:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
         -29 (-2.97 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Asn1.ValuePssParamsAsn:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
         -17 (-2.87 % of base) : System.Private.DataContractSerialization.dasm - System.Runtime.Serialization.XmlObjectSerializerReadContext:ReplaceDeserializedObject(System.String,System.Object,System.Object):this (FullOpts)
         -29 (-2.82 % of base) : System.Text.Json.dasm - System.Text.Json.Utf8JsonReader:ConsumeValue(byte):bool:this (FullOpts)
         -11 (-2.64 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Asn1.Pkcs12.MacData:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
         -14 (-2.55 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.Asn1.X509ExtensionAsn:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
         -14 (-2.55 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Asn1.X509ExtensionAsn:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
         -43 (-2.47 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[double]:ProcessLine(byref,byref):bool:this (FullOpts)
         -43 (-2.47 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[byte]:ProcessLine(byref,byref):bool:this (FullOpts)
         -43 (-2.47 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[int]:ProcessLine(byref,byref):bool:this (FullOpts)
         -43 (-2.47 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[short]:ProcessLine(byref,byref):bool:this (FullOpts)
         -43 (-2.47 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[long]:ProcessLine(byref,byref):bool:this (FullOpts)
         -43 (-2.40 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[System.Nullable`1[int]]:ProcessLine(byref,byref):bool:this (FullOpts)
         -10 (-2.23 % of base) : System.Formats.Tar.dasm - System.Formats.Tar.TarHeader:ReadMagicAttribute(System.ReadOnlySpan`1[byte]):this (FullOpts)
         -44 (-2.19 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[System.__Canon]:ProcessLine(byref,byref):bool:this (FullOpts)
         -44 (-2.07 % of base) : System.Net.ServerSentEvents.dasm - System.Net.ServerSentEvents.SseParser`1[System.Numerics.Vector`1[float]]:ProcessLine(byref,byref):bool:this (FullOpts)
         -17 (-2.05 % of base) : Microsoft.Extensions.Options.dasm - Microsoft.Extensions.Options.OptionsFactory`1[System.__Canon]:Create(System.String):System.__Canon:this (FullOpts)
          -6 (-2.03 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.RSACryptoServiceProvider:CheckSHA3HashAlgorithm(System.Security.Cryptography.HashAlgorithmName) (FullOpts)
          -8 (-1.98 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipLocalFileHeader:TrySkipBlock(System.IO.Stream):bool (FullOpts)
          -8 (-1.95 % of base) : System.IO.Compression.dasm - System.IO.Compression.Zip64EndOfCentralDirectoryRecord:TryReadBlockCore(System.Span`1[byte],int,byref):bool (FullOpts)
         -18 (-1.76 % of base) : System.Private.DataContractSerialization.dasm - System.Runtime.Serialization.XmlObjectSerializerReadContext:ReadSerializationInfo(System.Runtime.Serialization.XmlReaderDelegator,System.Type):System.Runtime.Serialization.SerializationInfo:this (FullOpts)
         -14 (-1.74 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Pkcs.Asn1.Rfc3161TimeStampReq:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
         -11 (-1.64 % of base) : System.Net.Mail.dasm - System.Net.Mime.ByteEncoder:EncodeString(System.String,System.Text.Encoding):int:this (FullOpts)
         -14 (-1.53 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Pkcs.Asn1.ValueRfc3161TstInfo:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
         -11 (-1.53 % of base) : Microsoft.Extensions.DependencyModel.dasm - Microsoft.Extensions.DependencyModel.DependencyContextJsonReader:ReadToEnd(System.IO.Stream):System.ArraySegment`1[byte] (FullOpts)
         -11 (-1.53 % of base) : System.Text.Json.dasm - System.Text.Json.JsonDocument:ReadToEnd(System.IO.Stream):System.ArraySegment`1[byte] (FullOpts)
          -8 (-1.12 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipCentralDirectoryFileHeader:TryReadBlockInitialize(System.ReadOnlySpan`1[byte],byref,byref,byref,byref,byref,byref):bool (FullOpts)
         -14 (-1.11 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Pkcs.Asn1.Rfc3161TstInfo:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
         -15 (-0.85 % of base) : System.Security.Cryptography.dasm - System.Security.Cryptography.X509Certificates.Asn1.TbsCertificateAsn:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
         -16 (-0.85 % of base) : System.Security.Cryptography.Pkcs.dasm - Internal.Cryptography.PkcsHelpers:TryGetRsaOaepEncryptionPadding(System.Nullable`1[System.ReadOnlyMemory`1[byte]],byref,byref):bool (FullOpts)
          -8 (-0.75 % of base) : System.IO.Compression.dasm - System.IO.Compression.ZipLocalFileHeader:TrySkipBlockAsync(System.IO.Stream,System.Threading.CancellationToken):bool (FullOpts)
         -13 (-0.71 % of base) : System.Text.Json.dasm - System.Text.Json.Serialization.PipeReadBufferState:ProcessReadBytes():this (FullOpts)
          -3 (-0.59 % of base) : Microsoft.Extensions.Hosting.Systemd.dasm - Microsoft.Extensions.Hosting.Systemd.SystemdHelpers:GetIsSystemdService():bool (FullOpts)
          -7 (-0.49 % of base) : System.Net.Http.dasm - System.Net.Http.HttpConnection:ParseStatusLineCore(System.Span`1[byte],System.Net.Http.HttpResponseMessage) (FullOpts)
         -10 (-0.44 % of base) : System.Text.Json.dasm - System.Text.Json.JsonDocument+<ReadToEndAsync>d__85:MoveNext():this (FullOpts)
         -12 (-0.42 % of base) : System.Net.Sockets.dasm - System.Net.Sockets.SocketAsyncEventArgs:<DnsConnectAsync>g__Core|113_0(System.Net.Sockets.SocketAsyncEventArgs+MultiConnectSocketAsyncEventArgs,System.Threading.Tasks.Task`1[System.Net.IPAddress[]],int,int,int,System.Net.Sockets.SocketAsyncEventArgs+ParallelMultiConnectSocketState,System.Threading.CancellationToken):this (FullOpts)
          -2 (-0.28 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Asn1.OaepParamsAsn:Encode(System.Formats.Asn1.AsnWriter,System.Formats.Asn1.Asn1Tag):this (FullOpts)
          -1 (-0.23 % of base) : System.Private.CoreLib.dasm - System.Reflection.Emit.RuntimeTypeBuilder:DefineMethodCore(System.String,int,int,System.Type,System.Type[],System.Type[],System.Type[],System.Type[][],System.Type[][]):System.Reflection.Emit.MethodBuilder:this (FullOpts)
          -8 (-0.15 % of base) : System.Private.CoreLib.dasm - System.Globalization.TimeSpanParse:ProcessTerminal_HM_S_D(byref,byte,byref):bool (FullOpts)
          -3 (-0.12 % of base) : System.Net.Security.dasm - System.Net.NegotiateAuthenticationPal+ManagedNtlmNegotiateAuthenticationPal:ProcessChallenge(System.ReadOnlySpan`1[byte],byref):byte[]:this (FullOpts)

109 total methods with Code Size differences (81 improved, 28 regressed), 288448 unchanged.

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

Artifacts:

• diff-frameworks.txt (43 KB)
• ShortDiffsRegressions.md (56 KB)
• LongDiffsRegressions.md (364 KB)
• ShortDiffsImprovements.md (51 KB)
• LongDiffsImprovements.md (898 KB)
• jit-diffs-main.zip (159 MB)
• jit-diffs-pr.zip (159 MB)

[MihuBot]

Top method regressions

12 (3.55 % of base) - System.IO.Packaging.PackUriHelper:ComparePackUri(System.Uri,System.Uri):int

 ; Assembly listing for method System.IO.Packaging.PackUriHelper:ComparePackUri(System.Uri,System.Uri):int (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 10 single block inlinees; 4 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 arg0         [V00,T00] (  5,  4   )     ref  ->  rdi         class-hnd single-def <System.Uri>
 ;  V01 arg1         [V01,T01] (  5,  3.50)     ref  ->  rbx         class-hnd single-def <System.Uri>
-;  V02 loc0         [V02,T05] (  5,  2.50)     int  ->  rax        
+;  V02 loc0         [V02,T04] (  5,  2.50)     int  ->  rax        
 ;  V03 loc1         [V03    ] (  4,  2   )     ref  ->  [rbp-0x10]  do-not-enreg[X] must-init addr-exposed ld-addr-op class-hnd <System.Uri>
 ;  V04 loc2         [V04    ] (  2,  1   )     ref  ->  [rbp-0x18]  do-not-enreg[X] must-init addr-exposed ld-addr-op class-hnd <System.Uri>
 ;  V05 loc3         [V05    ] (  4,  2   )     ref  ->  [rbp-0x20]  do-not-enreg[X] must-init addr-exposed ld-addr-op class-hnd <System.Uri>
 ;  V06 loc4         [V06    ] (  2,  1   )     ref  ->  [rbp-0x28]  do-not-enreg[X] must-init addr-exposed ld-addr-op class-hnd <System.Uri>
 ;# V07 OutArgs      [V07    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;* V08 tmp1         [V08    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V09 tmp2         [V09    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;  V10 tmp3         [V10,T02] (  5,  5   )     ref  ->  rax         class-hnd exact single-def "Inlining Arg" <System.String>
 ;  V11 tmp4         [V11,T08] (  2,  1   )   ubyte  ->  rdi         "Inline return value spill temp"
 ;* V12 tmp5         [V12    ] (  0,  0   )   byref  ->  zero-ref    "impAppendStmt"
 ;  V13 tmp6         [V13,T03] (  5,  5   )     ref  ->  rax         class-hnd exact single-def "Inlining Arg" <System.String>
 ;  V14 tmp7         [V14,T09] (  2,  1   )   ubyte  ->  rdi         "Inline return value spill temp"
 ;* V15 tmp8         [V15    ] (  0,  0   )   byref  ->  zero-ref    "impAppendStmt"
-;  V16 tmp9         [V16,T06] (  2,  2   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Uri>
-;  V17 tmp10        [V17,T07] (  2,  2   )     ref  ->  rsi         class-hnd single-def "Inlining Arg" <System.Uri>
-;  V18 cse0         [V18,T04] (  5,  2.50)     ref  ->  rbx         "CSE #01: aggressive"
+;  V16 tmp9         [V16,T05] (  2,  2   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Uri>
+;  V17 tmp10        [V17,T06] (  2,  2   )     ref  ->  rsi         class-hnd single-def "Inlining Arg" <System.Uri>
+;  V18 cse0         [V18,T07] (  3,  1.50)     ref  ->  rbx         "CSE #01: aggressive"
 ;  V19 cse1         [V19,T10] (  2,  1   )     int  ->  rdi         "CSE #02: moderate"
 ;  V20 cse2         [V20,T11] (  2,  1   )     int  ->  rdi         "CSE #03: moderate"
 ;
 ; Lcl frame size = 40
 
 G_M33719_IG01:
        push     rbp
        push     rbx
        sub      rsp, 40
        lea      rbp, [rsp+0x30]
        xor      eax, eax
        mov      qword ptr [rbp-0x28], rax
        vxorps   xmm8, xmm8, xmm8
        vmovdqa  xmmword ptr [rbp-0x20], xmm8
        mov      qword ptr [rbp-0x10], rax
        mov      rbx, rsi
 						;; size=34 bbWeight=1 PerfScore 6.58
 G_M33719_IG02:
        test     rdi, rdi
        je       SHORT G_M33719_IG04
 						;; size=5 bbWeight=1 PerfScore 1.25
 G_M33719_IG03:
        test     rbx, rbx
        jne      SHORT G_M33719_IG06
 						;; size=5 bbWeight=0.50 PerfScore 0.62
 G_M33719_IG04:
        mov      rsi, rbx
        mov      edx, 63
        mov      ecx, 1
        mov      r8d, 4
        mov      rax, 0xD1FFAB1E      ; code for System.Uri:Compare(System.Uri,System.Uri,int,int,int):int
        call     [rax]System.Uri:Compare(System.Uri,System.Uri,int,int,int):int
        nop      
 						;; size=32 bbWeight=0.50 PerfScore 2.25
 G_M33719_IG05:
        add      rsp, 40
        pop      rbx
        pop      rbp
        ret      
 						;; size=7 bbWeight=0.50 PerfScore 1.12
 G_M33719_IG06:
        lea      rdx, [rbp-0x18]
        lea      rsi, [rbp-0x10]
        mov      rax, 0xD1FFAB1E      ; code for System.IO.Packaging.PackUriHelper:ValidateAndGetPackUriComponents(System.Uri,byref,byref)
        call     [rax]System.IO.Packaging.PackUriHelper:ValidateAndGetPackUriComponents(System.Uri,byref,byref)
        lea      rdx, [rbp-0x28]
        lea      rsi, [rbp-0x20]
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.IO.Packaging.PackUriHelper:ValidateAndGetPackUriComponents(System.Uri,byref,byref)
        call     [rax]System.IO.Packaging.PackUriHelper:ValidateAndGetPackUriComponents(System.Uri,byref,byref)
        mov      rdi, gword ptr [rbp-0x10]
        mov      rax, 0xD1FFAB1E      ; code for System.Uri:get_Scheme():System.String:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Uri:get_Scheme():System.String:this
        mov      rbx, 0xD1FFAB1E      ; 'pack'
        cmp      rax, rbx
        je       SHORT G_M33719_IG07
        test     rax, rax
        je       SHORT G_M33719_IG08
        mov      edi, dword ptr [rax+0x08]
        cmp      edi, 4
        jne      SHORT G_M33719_IG08
-       mov      rdi, qword ptr [rax+0x0C]
-       cmp      rdi, qword ptr [rbx+0x0C]
+       mov      rdi, 0xD1FFAB1E
+       cmp      qword ptr [rax+0x0C], rdi
        sete     dil
        movzx    rdi, dil
        test     edi, edi
        je       SHORT G_M33719_IG08
-						;; size=109 bbWeight=0.50 PerfScore 13.50
+						;; size=115 bbWeight=0.50 PerfScore 12.62
 G_M33719_IG07:
        mov      rdi, gword ptr [rbp-0x20]
        mov      rax, 0xD1FFAB1E      ; code for System.Uri:get_Scheme():System.String:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Uri:get_Scheme():System.String:this
        cmp      rax, rbx
        je       SHORT G_M33719_IG09
        test     rax, rax
        je       SHORT G_M33719_IG08
        mov      edi, dword ptr [rax+0x08]
        cmp      edi, 4
        jne      SHORT G_M33719_IG08
-       mov      rdi, qword ptr [rax+0x0C]
-       cmp      rdi, qword ptr [rbx+0x0C]
+       mov      rdi, 0xD1FFAB1E
+       cmp      qword ptr [rax+0x0C], rdi
        sete     dil
        movzx    rdi, dil
        test     edi, edi
        jne      SHORT G_M33719_IG09
-						;; size=56 bbWeight=0.50 PerfScore 9.00
+						;; size=62 bbWeight=0.50 PerfScore 8.12
 G_M33719_IG08:
        mov      rdi, gword ptr [rbp-0x10]
        mov      rsi, gword ptr [rbp-0x20]
        mov      edx, 63
        mov      ecx, 1
        mov      r8d, 4
        mov      rax, 0xD1FFAB1E      ; code for System.Uri:Compare(System.Uri,System.Uri,int,int,int):int
        call     [rax]System.Uri:Compare(System.Uri,System.Uri,int,int,int):int
        jmp      SHORT G_M33719_IG10
 						;; size=38 bbWeight=0.50 PerfScore 4.00
 G_M33719_IG09:
        mov      rdi, gword ptr [rbp-0x10]
        mov      rsi, gword ptr [rbp-0x20]
        mov      rax, 0xD1FFAB1E      ; code for System.IO.Packaging.PackUriHelper:ComparePackUri(System.Uri,System.Uri):int
        call     [rax]System.IO.Packaging.PackUriHelper:ComparePackUri(System.Uri,System.Uri):int
 						;; size=20 bbWeight=0.50 PerfScore 2.62
 G_M33719_IG10:
        test     eax, eax
        jne      SHORT G_M33719_IG11
        mov      rdi, gword ptr [rbp-0x18]
        mov      rsi, gword ptr [rbp-0x28]
        mov      rax, 0xD1FFAB1E      ; code for System.IO.Packaging.PackUriHelper:ComparePartUri(System.Uri,System.Uri):int
        call     [rax]System.IO.Packaging.PackUriHelper:ComparePartUri(System.Uri,System.Uri):int
 						;; size=24 bbWeight=0.50 PerfScore 3.25
 G_M33719_IG11:
        nop      
 						;; size=1 bbWeight=0.50 PerfScore 0.12
 G_M33719_IG12:
        add      rsp, 40
        pop      rbx
        pop      rbp
        ret      
 						;; size=7 bbWeight=0.50 PerfScore 1.12
 
-; Total bytes of code 338, prolog size 31, PerfScore 45.46, instruction count 92, allocated bytes for code 338 (MethodHash=a2267c48) for method System.IO.Packaging.PackUriHelper:ComparePackUri(System.Uri,System.Uri):int (FullOpts)
+; Total bytes of code 350, prolog size 31, PerfScore 43.71, instruction count 92, allocated bytes for code 350 (MethodHash=a2267c48) for method System.IO.Packaging.PackUriHelper:ComparePackUri(System.Uri,System.Uri):int (FullOpts)
 ; ============================================================

9 (1.66 % of base) - System.Security.Cryptography.Rfc2898DeriveBytes:ValidateHashAlgorithm(System.Security.Cryptography.HashAlgorithmName)

 ; Assembly listing for method System.Security.Cryptography.Rfc2898DeriveBytes:ValidateHashAlgorithm(System.Security.Cryptography.HashAlgorithmName) (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 51 single block inlinees; 9 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 arg0         [V00    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op single-def <System.Security.Cryptography.HashAlgorithmName>
 ;* V01 loc0         [V01    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def <System.String>
 ;* V02 loc1         [V02    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op <System.Security.Cryptography.HashAlgorithmName>
 ;# V03 OutArgs      [V03    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;* V04 tmp1         [V04    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "NewObj constructor temp" <System.PlatformNotSupportedException>
-;  V05 tmp2         [V05,T29] (  3,  0   )     ref  ->  r15         class-hnd exact single-def "NewObj constructor temp" <System.Security.Cryptography.CryptographicException>
-;* V06 tmp3         [V06,T32] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
+;  V05 tmp2         [V05,T26] (  3,  0   )     ref  ->  r15         class-hnd exact single-def "NewObj constructor temp" <System.Security.Cryptography.CryptographicException>
+;* V06 tmp3         [V06,T29] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V07 tmp4         [V07    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Security.Cryptography.HashAlgorithmName>
 ;* V08 tmp5         [V08    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "Inlining Arg" <System.String>
-;  V09 tmp6         [V09,T22] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
-;  V10 tmp7         [V10,T09] (  2,  2   )   byref  ->  rcx         single-def "impAppendStmt"
+;  V09 tmp6         [V09,T16] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
+;  V10 tmp7         [V10,T05] (  2,  2   )   byref  ->  rax         single-def "impAppendStmt"
 ;* V11 tmp8         [V11    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Security.Cryptography.HashAlgorithmName>
 ;* V12 tmp9         [V12    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "Inlining Arg" <System.String>
-;  V13 tmp10        [V13,T23] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
-;  V14 tmp11        [V14,T10] (  2,  2   )   byref  ->  rcx         single-def "impAppendStmt"
+;  V13 tmp10        [V13,T17] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
+;  V14 tmp11        [V14,T02] (  3,  3   )   byref  ->  rax         single-def "impAppendStmt"
 ;* V15 tmp12        [V15    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Security.Cryptography.HashAlgorithmName>
 ;* V16 tmp13        [V16    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "Inlining Arg" <System.String>
-;  V17 tmp14        [V17,T24] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
-;  V18 tmp15        [V18,T11] (  2,  2   )   byref  ->  rcx         single-def "impAppendStmt"
+;  V17 tmp14        [V17,T18] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
+;  V18 tmp15        [V18,T03] (  3,  3   )   byref  ->  rax         single-def "impAppendStmt"
 ;* V19 tmp16        [V19    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Security.Cryptography.HashAlgorithmName>
 ;* V20 tmp17        [V20    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "Inlining Arg" <System.String>
-;  V21 tmp18        [V21,T25] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
-;  V22 tmp19        [V22,T12] (  2,  2   )   byref  ->  rcx         single-def "impAppendStmt"
+;  V21 tmp18        [V21,T19] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
+;  V22 tmp19        [V22,T04] (  3,  3   )   byref  ->  rax         single-def "impAppendStmt"
 ;* V23 tmp20        [V23    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Security.Cryptography.HashAlgorithmName>
 ;* V24 tmp21        [V24    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "Inlining Arg" <System.String>
-;  V25 tmp22        [V25,T26] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
-;  V26 tmp23        [V26,T13] (  2,  2   )   byref  ->  rcx         single-def "impAppendStmt"
+;  V25 tmp22        [V25,T20] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
+;  V26 tmp23        [V26,T06] (  2,  2   )   byref  ->  rax         single-def "impAppendStmt"
 ;* V27 tmp24        [V27    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Security.Cryptography.HashAlgorithmName>
 ;* V28 tmp25        [V28    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "Inlining Arg" <System.String>
-;  V29 tmp26        [V29,T27] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
-;  V30 tmp27        [V30,T14] (  2,  2   )   byref  ->  rcx         single-def "impAppendStmt"
+;  V29 tmp26        [V29,T21] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
+;  V30 tmp27        [V30,T07] (  2,  2   )   byref  ->  rax         single-def "impAppendStmt"
 ;* V31 tmp28        [V31    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Security.Cryptography.HashAlgorithmName>
 ;* V32 tmp29        [V32    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "Inlining Arg" <System.String>
-;  V33 tmp30        [V33,T28] (  2,  1   )   ubyte  ->  rdi         "Inline return value spill temp"
-;  V34 tmp31        [V34,T15] (  2,  2   )   byref  ->  rdi         single-def "impAppendStmt"
+;  V33 tmp30        [V33,T22] (  2,  1   )   ubyte  ->  rdi         "Inline return value spill temp"
+;  V34 tmp31        [V34,T08] (  2,  2   )   byref  ->  rdi         single-def "impAppendStmt"
 ;  V35 tmp32        [V35,T00] ( 19, 10   )     ref  ->  rbx         single-def "field V00._name (fldOffset=0x0)" P-INDEP
 ;* V36 tmp33        [V36    ] (  0,  0   )     ref  ->  zero-ref    "field V02._name (fldOffset=0x0)" P-INDEP
 ;* V37 tmp34        [V37    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V07._name (fldOffset=0x0)" P-INDEP
 ;* V38 tmp35        [V38    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V11._name (fldOffset=0x0)" P-INDEP
 ;* V39 tmp36        [V39    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V15._name (fldOffset=0x0)" P-INDEP
 ;* V40 tmp37        [V40    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V19._name (fldOffset=0x0)" P-INDEP
 ;* V41 tmp38        [V41    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V23._name (fldOffset=0x0)" P-INDEP
 ;* V42 tmp39        [V42    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V27._name (fldOffset=0x0)" P-INDEP
 ;* V43 tmp40        [V43    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V31._name (fldOffset=0x0)" P-INDEP
-;  V44 tmp41        [V44,T30] (  2,  0   )     ref  ->  rdi         single-def "argument with side effect"
-;  V45 tmp42        [V45,T31] (  2,  0   )     ref  ->  rsi         single-def "argument with side effect"
+;  V44 tmp41        [V44,T27] (  2,  0   )     ref  ->  rdi         single-def "argument with side effect"
+;  V45 tmp42        [V45,T28] (  2,  0   )     ref  ->  rsi         single-def "argument with side effect"
 ;  V46 cse0         [V46,T01] (  9,  4.50)     int  ->  rdi         "CSE #01: aggressive"
-;  V47 cse1         [V47,T16] (  3,  1.50)     ref  ->  rax         "CSE #03: moderate"
-;  V48 cse2         [V48,T17] (  3,  1.50)     ref  ->  rax         "CSE #07: moderate"
-;  V49 cse3         [V49,T18] (  3,  1.50)     ref  ->  rax         "CSE #08: moderate"
-;  V50 cse4         [V50,T19] (  3,  1.50)     ref  ->  rax         "CSE #09: moderate"
-;  V51 cse5         [V51,T20] (  3,  1.50)     ref  ->  rax         "CSE #10: moderate"
-;  V52 cse6         [V52,T21] (  3,  1.50)     ref  ->  rax         "CSE #11: moderate"
-;  V53 cse7         [V53,T08] (  3,  2.50)     ref  ->  rax         "CSE #02: moderate"
-;  V54 rat0         [V54,T02] (  3,  3   )   byref  ->  rcx         "ReplaceWithLclVar is creating a new local variable"
-;  V55 rat1         [V55,T03] (  3,  3   )   byref  ->  rax         "ReplaceWithLclVar is creating a new local variable"
-;  V56 rat2         [V56,T04] (  3,  3   )   byref  ->  rcx         "ReplaceWithLclVar is creating a new local variable"
-;  V57 rat3         [V57,T05] (  3,  3   )   byref  ->  rax         "ReplaceWithLclVar is creating a new local variable"
-;  V58 rat4         [V58,T06] (  3,  3   )   byref  ->  rcx         "ReplaceWithLclVar is creating a new local variable"
-;  V59 rat5         [V59,T07] (  3,  3   )   byref  ->  rax         "ReplaceWithLclVar is creating a new local variable"
+;  V47 cse1         [V47,T10] (  2,  1   )     ref  ->  rax         "CSE #03: moderate"
+;  V48 cse2         [V48,T11] (  2,  1   )     ref  ->  rax         "CSE #07: moderate"
+;  V49 cse3         [V49,T12] (  2,  1   )     ref  ->  rax         "CSE #08: moderate"
+;  V50 cse4         [V50,T13] (  2,  1   )     ref  ->  rax         "CSE #09: moderate"
+;  V51 cse5         [V51,T14] (  2,  1   )     ref  ->  rax         "CSE #10: moderate"
+;  V52 cse6         [V52,T15] (  2,  1   )     ref  ->  rax         "CSE #11: moderate"
+;  V53 cse7         [V53,T09] (  2,  2   )     ref  ->  rax         "CSE #02: moderate"
+;  V54 rat0         [V54,T23] (  3,  3   )  simd16  ->  mm0         "ReplaceWithLclVar is creating a new local variable"
+;  V55 rat1         [V55,T24] (  3,  3   )  simd16  ->  mm0         "ReplaceWithLclVar is creating a new local variable"
+;  V56 rat2         [V56,T25] (  3,  3   )  simd16  ->  mm0         "ReplaceWithLclVar is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
 G_M26220_IG01:
        push     rbp
        push     r15
        push     rbx
        lea      rbp, [rsp+0x10]
        mov      rbx, rdi
 						;; size=12 bbWeight=1 PerfScore 3.75
 G_M26220_IG02:
        test     rbx, rbx
        je       G_M26220_IG13
 						;; size=9 bbWeight=1 PerfScore 1.25
 G_M26220_IG03:
        mov      edi, dword ptr [rbx+0x08]
        test     edi, edi
        je       G_M26220_IG13
 						;; size=11 bbWeight=0.50 PerfScore 1.62
 G_M26220_IG04:
        mov      rax, 0xD1FFAB1E      ; 'SHA1'
        cmp      rbx, rax
        je       G_M26220_IG12
 						;; size=19 bbWeight=1 PerfScore 1.50
 G_M26220_IG05:
        cmp      edi, 4
        jne      SHORT G_M26220_IG06
-       lea      rcx, bword ptr [rbx+0x0C]
-       mov      rcx, qword ptr [rcx]
-       cmp      rcx, qword ptr [rax+0x0C]
+       lea      rax, bword ptr [rbx+0x0C]
+       mov      rcx, 0xD1FFAB1E
+       cmp      qword ptr [rax], rcx
        sete     al
        movzx    rax, al
        test     eax, eax
        jne      G_M26220_IG12
-						;; size=30 bbWeight=0.50 PerfScore 3.88
+						;; size=36 bbWeight=0.50 PerfScore 3.00
 G_M26220_IG06:
        mov      rax, 0xD1FFAB1E      ; 'SHA256'
        cmp      rbx, rax
        je       G_M26220_IG12
        cmp      edi, 6
        jne      SHORT G_M26220_IG07
-       lea      rcx, bword ptr [rbx+0x0C]
-       add      rax, 12
-       mov      rdx, qword ptr [rcx]
-       mov      rcx, qword ptr [rcx+0x04]
-       xor      rdx, qword ptr [rax]
-       xor      rcx, qword ptr [rax+0x04]
-       or       rcx, rdx
+       lea      rax, bword ptr [rbx+0x0C]
+       mov      rcx, 0xD1FFAB1E
+       xor      rcx, qword ptr [rax]
+       mov      eax, dword ptr [rax+0x08]
+       xor      eax, 0xD1FFAB1E
+       or       rax, rcx
        sete     al
        movzx    rax, al
        test     eax, eax
        jne      G_M26220_IG12
-						;; size=63 bbWeight=0.50 PerfScore 6.88
+						;; size=66 bbWeight=0.50 PerfScore 5.00
 G_M26220_IG07:
        mov      rax, 0xD1FFAB1E      ; 'SHA384'
        cmp      rbx, rax
        je       G_M26220_IG12
        cmp      edi, 6
        jne      SHORT G_M26220_IG08
-       lea      rcx, bword ptr [rbx+0x0C]
-       add      rax, 12
-       mov      rdx, qword ptr [rcx]
-       mov      rcx, qword ptr [rcx+0x04]
-       xor      rdx, qword ptr [rax]
-       xor      rcx, qword ptr [rax+0x04]
-       or       rcx, rdx
+       lea      rax, bword ptr [rbx+0x0C]
+       mov      rcx, 0xD1FFAB1E
+       xor      rcx, qword ptr [rax]
+       mov      eax, dword ptr [rax+0x08]
+       xor      eax, 0xD1FFAB1E
+       or       rax, rcx
        sete     al
        movzx    rax, al
        test     eax, eax
        jne      G_M26220_IG12
-						;; size=63 bbWeight=0.50 PerfScore 6.88
+						;; size=66 bbWeight=0.50 PerfScore 5.00
 G_M26220_IG08:
        mov      rax, 0xD1FFAB1E      ; 'SHA512'
        cmp      rbx, rax
        je       G_M26220_IG12
        cmp      edi, 6
        jne      SHORT G_M26220_IG09
-       lea      rcx, bword ptr [rbx+0x0C]
-       add      rax, 12
-       mov      rdx, qword ptr [rcx]
-       mov      rcx, qword ptr [rcx+0x04]
-       xor      rdx, qword ptr [rax]
-       xor      rcx, qword ptr [rax+0x04]
-       or       rcx, rdx
+       lea      rax, bword ptr [rbx+0x0C]
+       mov      rcx, 0xD1FFAB1E
+       xor      rcx, qword ptr [rax]
+       mov      eax, dword ptr [rax+0x08]
+       xor      eax, 0xD1FFAB1E
+       or       rax, rcx
        sete     al
        movzx    rax, al
        test     eax, eax
        jne      G_M26220_IG12
-						;; size=63 bbWeight=0.50 PerfScore 6.88
+						;; size=66 bbWeight=0.50 PerfScore 5.00
 G_M26220_IG09:
        mov      rax, 0xD1FFAB1E      ; 'SHA3-256'
        cmp      rbx, rax
        je       G_M26220_IG12
        cmp      edi, 8
        jne      SHORT G_M26220_IG10
-       lea      rcx, bword ptr [rbx+0x0C]
-       vmovups  xmm0, xmmword ptr [rcx]
-       vpcmpfalseuq k1, xmm0, xmmword ptr [rax+0x0C]
-       kortestb k1, k1
+       lea      rax, bword ptr [rbx+0x0C]
+       vmovups  xmm0, xmmword ptr [rax]
+       vpxor    xmm0, xmm0, xmmword ptr [reloc @RWD00]
+       vptest   xmm0, xmm0
        sete     al
        movzx    rax, al
        test     eax, eax
        jne      SHORT G_M26220_IG12
-						;; size=57 bbWeight=0.50 PerfScore 7.12
+						;; size=55 bbWeight=0.50 PerfScore 6.12
 G_M26220_IG10:
        mov      rax, 0xD1FFAB1E      ; 'SHA3-384'
        cmp      rbx, rax
        je       SHORT G_M26220_IG12
        cmp      edi, 8
        jne      SHORT G_M26220_IG11
-       lea      rcx, bword ptr [rbx+0x0C]
-       vmovups  xmm0, xmmword ptr [rcx]
-       vpcmpfalseuq k1, xmm0, xmmword ptr [rax+0x0C]
-       kortestb k1, k1
+       lea      rax, bword ptr [rbx+0x0C]
+       vmovups  xmm0, xmmword ptr [rax]
+       vpxor    xmm0, xmm0, xmmword ptr [reloc @RWD16]
+       vptest   xmm0, xmm0
        sete     al
        movzx    rax, al
        test     eax, eax
        jne      SHORT G_M26220_IG12
-						;; size=53 bbWeight=0.50 PerfScore 7.12
+						;; size=51 bbWeight=0.50 PerfScore 6.12
 G_M26220_IG11:
        mov      rax, 0xD1FFAB1E      ; 'SHA3-512'
        cmp      rbx, rax
        je       SHORT G_M26220_IG12
        cmp      edi, 8
        jne      SHORT G_M26220_IG14
        lea      rdi, bword ptr [rbx+0x0C]
        vmovups  xmm0, xmmword ptr [rdi]
-       vpcmpfalseuq k1, xmm0, xmmword ptr [rax+0x0C]
-       kortestb k1, k1
+       vpxor    xmm0, xmm0, xmmword ptr [reloc @RWD32]
+       vptest   xmm0, xmm0
        sete     dil
        movzx    rdi, dil
        test     edi, edi
        je       SHORT G_M26220_IG14
-						;; size=55 bbWeight=0.50 PerfScore 7.12
+						;; size=53 bbWeight=0.50 PerfScore 6.12
 G_M26220_IG12:
        pop      rbx
        pop      r15
        pop      rbp
        ret      
 						;; size=5 bbWeight=1 PerfScore 2.50
 G_M26220_IG13:
        mov      rdi, rbx
        mov      rsi, 0xD1FFAB1E      ; 'hashAlgorithm'
        mov      rax, 0xD1FFAB1E      ; code for System.ArgumentException:ThrowNullOrEmptyException(System.String,System.String)
        call     [rax]System.ArgumentException:ThrowNullOrEmptyException(System.String,System.String)
        int3     
 						;; size=26 bbWeight=0 PerfScore 0.00
 G_M26220_IG14:
        mov      rdi, 0xD1FFAB1E      ; System.Security.Cryptography.CryptographicException
        call     CORINFO_HELP_NEWSFAST
        mov      r15, rax
        mov      rax, 0xD1FFAB1E      ; code for System.SR:get_Cryptography_UnknownHashAlgorithm():System.String
        call     [rax]System.SR:get_Cryptography_UnknownHashAlgorithm():System.String
        mov      rdi, rax
        mov      rsi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.SR:Format(System.String,System.Object):System.String
        call     [rax]System.SR:Format(System.String,System.Object):System.String
        mov      rsi, rax
        mov      rdi, r15
        mov      rax, 0xD1FFAB1E      ; code for System.Security.Cryptography.CryptographicException:.ctor(System.String):this
        call     [rax]System.Security.Cryptography.CryptographicException:.ctor(System.String):this
        mov      rdi, r15
        call     CORINFO_HELP_THROW
        int3     
 						;; size=75 bbWeight=0 PerfScore 0.00
+RWD00  	dq	0033004100480053h, 003600350032002Dh
+RWD16  	dq	0033004100480053h, 003400380033002Dh
+RWD32  	dq	0033004100480053h, 003200310035002Dh
 
-; Total bytes of code 541, prolog size 9, PerfScore 56.50, instruction count 134, allocated bytes for code 547 (MethodHash=adf59993) for method System.Security.Cryptography.Rfc2898DeriveBytes:ValidateHashAlgorithm(System.Security.Cryptography.HashAlgorithmName) (FullOpts)
+
+; Total bytes of code 550, prolog size 9, PerfScore 47.00, instruction count 131, allocated bytes for code 550 (MethodHash=adf59993) for method System.Security.Cryptography.Rfc2898DeriveBytes:ValidateHashAlgorithm(System.Security.Cryptography.HashAlgorithmName) (FullOpts)
 ; ============================================================

8 (5.06 % of base) - System.Security.Cryptography.DSACryptoServiceProvider:SignData(byte[],int,int,System.Security.Cryptography.HashAlgorithmName):byte[]:this

 ; Assembly listing for method System.Security.Cryptography.DSACryptoServiceProvider:SignData(byte[],int,int,System.Security.Cryptography.HashAlgorithmName):byte[]:this (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 10 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T02] (  3,  3   )     ref  ->  rdi         this class-hnd single-def <System.Security.Cryptography.DSACryptoServiceProvider>
 ;  V01 arg1         [V01,T03] (  3,  3   )     ref  ->  rsi         class-hnd single-def <byte[]>
 ;  V02 arg2         [V02,T04] (  3,  3   )     int  ->  rdx         single-def
 ;  V03 arg3         [V03,T05] (  3,  3   )     int  ->  rcx         single-def
 ;* V04 arg4         [V04    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op single-def <System.Security.Cryptography.HashAlgorithmName>
 ;# V05 OutArgs      [V05    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;* V06 tmp1         [V06    ] (  0,  0   )  struct ( 8) zero-ref    "impAppendStmt" <System.Security.Cryptography.HashAlgorithmName>
 ;* V07 tmp2         [V07    ] (  0,  0   )  struct ( 8) zero-ref    "spilled call-like call argument" <System.Security.Cryptography.HashAlgorithmName>
 ;  V08 tmp3         [V08,T11] (  2,  0   )     ref  ->  r15         class-hnd exact single-def "impAppendStmt" <System.String>
 ;  V09 tmp4         [V09,T10] (  3,  0   )     ref  ->  r14         class-hnd exact single-def "NewObj constructor temp" <System.Security.Cryptography.CryptographicException>
 ;* V10 tmp5         [V10    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Security.Cryptography.HashAlgorithmName>
 ;* V11 tmp6         [V11    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "Inlining Arg" <System.Security.Cryptography.HashAlgorithmName>
 ;* V12 tmp7         [V12    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "Inlining Arg" <System.String>
 ;* V13 tmp8         [V13    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.String>
 ;  V14 tmp9         [V14,T08] (  2,  1   )   ubyte  ->   r8         "Inline return value spill temp"
 ;* V15 tmp10        [V15    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "Inlining Arg" <System.String>
-;  V16 tmp11        [V16,T07] (  2,  2   )   byref  ->  rax         single-def "impAppendStmt"
+;  V16 tmp11        [V16,T06] (  2,  2   )   byref  ->   r8         single-def "impAppendStmt"
 ;  V17 tmp12        [V17,T00] (  7,  4.50)     ref  ->  rbx         single-def "field V04._name (fldOffset=0x0)" P-INDEP
 ;* V18 tmp13        [V18    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V06._name (fldOffset=0x0)" P-INDEP
 ;* V19 tmp14        [V19    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V07._name (fldOffset=0x0)" P-INDEP
 ;* V20 tmp15        [V20    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V10._name (fldOffset=0x0)" P-INDEP
 ;* V21 tmp16        [V21    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V11._name (fldOffset=0x0)" P-INDEP
-;  V22 cse0         [V22,T06] (  3,  2.50)     ref  ->   r8         "CSE #01: aggressive"
-;  V23 cse1         [V23,T09] (  2,  1   )     int  ->  rax         "CSE #02: moderate"
+;  V22 cse0         [V22,T07] (  2,  2   )     ref  ->   r8         "CSE #01: aggressive"
+;  V23 cse1         [V23,T09] (  2,  1   )     int  ->   r8         "CSE #02: moderate"
 ;  V24 rat0         [V24,T01] (  3,  6   )     ref  ->  rdi         "virtual vtable call"
 ;
 ; Lcl frame size = 8
 
 G_M30843_IG01:
        push     rbp
        push     r15
        push     r14
        push     rbx
        push     rax
        lea      rbp, [rsp+0x20]
        mov      rbx, r8
 						;; size=15 bbWeight=1 PerfScore 5.75
 G_M30843_IG02:
        mov      r8, 0xD1FFAB1E      ; 'SHA1'
        cmp      rbx, r8
        je       SHORT G_M30843_IG04
 						;; size=15 bbWeight=1 PerfScore 1.50
 G_M30843_IG03:
        test     rbx, rbx
        je       SHORT G_M30843_IG06
-       mov      eax, dword ptr [rbx+0x08]
-       cmp      eax, 4
+       mov      r8d, dword ptr [rbx+0x08]
+       cmp      r8d, 4
        jne      SHORT G_M30843_IG06
-       lea      rax, bword ptr [rbx+0x0C]
-       mov      rax, qword ptr [rax]
-       cmp      rax, qword ptr [r8+0x0C]
+       lea      r8, bword ptr [rbx+0x0C]
+       mov      rax, 0xD1FFAB1E
+       cmp      qword ptr [r8], rax
        sete     r8b
        movzx    r8, r8b
        test     r8d, r8d
        je       SHORT G_M30843_IG06
-						;; size=37 bbWeight=0.50 PerfScore 5.50
+						;; size=45 bbWeight=0.50 PerfScore 4.62
 G_M30843_IG04:
        mov      rdi, gword ptr [rdi+0x18]
        mov      r8, rbx
        mov      rax, qword ptr [rdi]
        mov      rax, qword ptr [rax+0x60]
 						;; size=14 bbWeight=1 PerfScore 6.25
 G_M30843_IG05:
        add      rsp, 8
        pop      rbx
        pop      r14
        pop      r15
        pop      rbp
        tail.jmp [rax+0x10]System.Security.Cryptography.DSA:SignData(byte[],int,int,System.Security.Cryptography.HashAlgorithmName):byte[]:this
 						;; size=14 bbWeight=1 PerfScore 4.25
 G_M30843_IG06:
        mov      rax, 0xD1FFAB1E      ; code for System.SR:get_Cryptography_UnknownHashAlgorithm():System.String
        call     [rax]System.SR:get_Cryptography_UnknownHashAlgorithm():System.String
        mov      r15, rax
        mov      rdi, 0xD1FFAB1E      ; System.Security.Cryptography.CryptographicException
        call     CORINFO_HELP_NEWSFAST
        mov      r14, rax
        mov      rdi, r14
        mov      rsi, r15
        mov      rdx, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Security.Cryptography.CryptographicException:.ctor(System.String,System.String):this
        call     [rax]System.Security.Cryptography.CryptographicException:.ctor(System.String,System.String):this
        mov      rdi, r14
        call     CORINFO_HELP_THROW
        int3     
 						;; size=63 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 158, prolog size 15, PerfScore 23.25, instruction count 46, allocated bytes for code 158 (MethodHash=6d308784) for method System.Security.Cryptography.DSACryptoServiceProvider:SignData(byte[],int,int,System.Security.Cryptography.HashAlgorithmName):byte[]:this (FullOpts)
+; Total bytes of code 166, prolog size 15, PerfScore 22.38, instruction count 46, allocated bytes for code 166 (MethodHash=6d308784) for method System.Security.Cryptography.DSACryptoServiceProvider:SignData(byte[],int,int,System.Security.Cryptography.HashAlgorithmName):byte[]:this (FullOpts)
 ; ============================================================

6 (2.03 % of base) - System.IO.Packaging.PackUriHelper:ValidatePackUri(System.Uri):System.Uri

 ; Assembly listing for method System.IO.Packaging.PackUriHelper:ValidatePackUri(System.Uri):System.Uri (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 5 single block inlinees; 2 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 arg0         [V00,T00] (  6,  6   )     ref  ->  rbx         class-hnd single-def <System.Uri>
 ;# V01 OutArgs      [V01    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;  V02 tmp1         [V02,T05] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.ArgumentException>
 ;  V03 tmp2         [V03,T06] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.ArgumentException>
 ;  V04 tmp3         [V04,T07] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.ArgumentNullException>
 ;* V05 tmp4         [V05    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;  V06 tmp5         [V06,T01] (  5,  7   )     ref  ->  rax         class-hnd exact single-def "Inlining Arg" <System.String>
 ;  V07 tmp6         [V07,T03] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
 ;* V08 tmp7         [V08    ] (  0,  0   )   byref  ->  zero-ref    "impAppendStmt"
 ;  V09 tmp8         [V09,T08] (  2,  0   )     ref  ->  rsi         single-def "argument with side effect"
 ;  V10 tmp9         [V10,T09] (  2,  0   )     ref  ->  rsi         single-def "argument with side effect"
-;  V11 cse0         [V11,T02] (  3,  2.50)     ref  ->  rdi         "CSE #02: aggressive"
-;  V12 cse1         [V12,T04] (  2,  1   )     int  ->  rcx         "CSE #03: aggressive"
+;  V11 cse0         [V11,T02] (  2,  2   )     ref  ->  rdi         "CSE #02: aggressive"
+;  V12 cse1         [V12,T04] (  2,  1   )     int  ->  rdi         "CSE #03: aggressive"
 ;
 ; Lcl frame size = 8
 
 G_M15849_IG01:
        push     rbp
        push     rbx
        push     rax
        lea      rbp, [rsp+0x10]
        mov      rbx, rdi
 						;; size=11 bbWeight=1 PerfScore 3.75
 G_M15849_IG02:
        test     rbx, rbx
        je       SHORT G_M15849_IG06
        cmp      gword ptr [rbx+0x18], 0
        je       G_M15849_IG07
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Uri:get_Scheme():System.String:this
        call     [rax]System.Uri:get_Scheme():System.String:this
        mov      rdi, 0xD1FFAB1E      ; 'pack'
        cmp      rax, rdi
        je       SHORT G_M15849_IG04
 						;; size=46 bbWeight=1 PerfScore 9.25
 G_M15849_IG03:
        test     rax, rax
        je       G_M15849_IG08
-       mov      ecx, dword ptr [rax+0x08]
-       cmp      ecx, 4
+       mov      edi, dword ptr [rax+0x08]
+       cmp      edi, 4
        jne      G_M15849_IG08
-       mov      rax, qword ptr [rax+0x0C]
-       cmp      rax, qword ptr [rdi+0x0C]
+       mov      rdi, 0xD1FFAB1E
+       cmp      qword ptr [rax+0x0C], rdi
        sete     al
        movzx    rax, al
        test     eax, eax
        je       G_M15849_IG08
-						;; size=43 bbWeight=0.50 PerfScore 5.25
+						;; size=49 bbWeight=0.50 PerfScore 4.38
 G_M15849_IG04:
        mov      rax, rbx
 						;; size=3 bbWeight=1 PerfScore 0.25
 G_M15849_IG05:
        add      rsp, 8
        pop      rbx
        pop      rbp
        ret      
 						;; size=7 bbWeight=1 PerfScore 2.25
 G_M15849_IG06:
        mov      rdi, 0xD1FFAB1E      ; System.ArgumentNullException
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rdi, rbx
        mov      rsi, 0xD1FFAB1E      ; 'packUri'
        mov      rax, 0xD1FFAB1E      ; code for System.ArgumentNullException:.ctor(System.String):this
        call     [rax]System.ArgumentNullException:.ctor(System.String):this
        mov      rdi, rbx
        call     CORINFO_HELP_THROW
        int3     
 						;; size=52 bbWeight=0 PerfScore 0.00
 G_M15849_IG07:
        mov      rdi, 0xD1FFAB1E      ; System.ArgumentException
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rax, 0xD1FFAB1E      ; code for System.SR:get_UriShouldBeAbsolute():System.String
        call     [rax]System.SR:get_UriShouldBeAbsolute():System.String
        mov      rsi, rax
        mov      rdi, rbx
        mov      rdx, 0xD1FFAB1E      ; 'packUri'
        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=67 bbWeight=0 PerfScore 0.00
 G_M15849_IG08:
        mov      rdi, 0xD1FFAB1E      ; System.ArgumentException
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rax, 0xD1FFAB1E      ; code for System.SR:get_UriShouldBePackScheme():System.String
        call     [rax]System.SR:get_UriShouldBePackScheme():System.String
        mov      rsi, rax
        mov      rdi, rbx
        mov      rdx, 0xD1FFAB1E      ; 'packUri'
        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=67 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 296, prolog size 8, PerfScore 20.75, instruction count 67, allocated bytes for code 296 (MethodHash=8289c216) for method System.IO.Packaging.PackUriHelper:ValidatePackUri(System.Uri):System.Uri (FullOpts)
+; Total bytes of code 302, prolog size 8, PerfScore 19.88, instruction count 67, allocated bytes for code 302 (MethodHash=8289c216) for method System.IO.Packaging.PackUriHelper:ValidatePackUri(System.Uri):System.Uri (FullOpts)
 ; ============================================================

6 (2.93 % of base) - System.Security.Cryptography.DSACryptoServiceProvider:HashData(byte[],int,int,System.Security.Cryptography.HashAlgorithmName):byte[]:this

 ; Assembly listing for method System.Security.Cryptography.DSACryptoServiceProvider:HashData(byte[],int,int,System.Security.Cryptography.HashAlgorithmName):byte[]:this (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 10 single block inlinees; 2 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 this         [V00    ] (  0,  0   )     ref  ->  zero-ref    this class-hnd single-def <System.Security.Cryptography.DSACryptoServiceProvider>
 ;  V01 arg1         [V01,T01] (  5,  4   )     ref  ->  rsi         class-hnd single-def <byte[]>
 ;  V02 arg2         [V02,T02] (  5,  3.50)     int  ->  rdx         single-def
 ;  V03 arg3         [V03,T03] (  5,  3.50)     int  ->  rcx         single-def
 ;* V04 arg4         [V04    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op single-def <System.Security.Cryptography.HashAlgorithmName>
 ;# V05 OutArgs      [V05    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;* V06 tmp1         [V06    ] (  0,  0   )  struct ( 8) zero-ref    "impAppendStmt" <System.Security.Cryptography.HashAlgorithmName>
 ;* V07 tmp2         [V07    ] (  0,  0   )  struct ( 8) zero-ref    "spilled call-like call argument" <System.Security.Cryptography.HashAlgorithmName>
 ;* V08 tmp3         [V08    ] (  0,  0   )  struct (16) zero-ref    multireg-arg ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
 ;* V09 tmp4         [V09    ] (  0,  0   )  struct ( 8) zero-ref    "impAppendStmt" <System.Security.Cryptography.HashAlgorithmName>
 ;  V10 tmp5         [V10,T11] (  2,  0   )     ref  ->  r15         class-hnd exact single-def "impAppendStmt" <System.String>
 ;  V11 tmp6         [V11,T10] (  3,  0   )     ref  ->  r14         class-hnd exact single-def "NewObj constructor temp" <System.Security.Cryptography.CryptographicException>
 ;* V12 tmp7         [V12    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Security.Cryptography.HashAlgorithmName>
 ;* V13 tmp8         [V13    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "Inlining Arg" <System.Security.Cryptography.HashAlgorithmName>
 ;* V14 tmp9         [V14    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "Inlining Arg" <System.String>
 ;* V15 tmp10        [V15    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.String>
 ;  V16 tmp11        [V16,T08] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
 ;* V17 tmp12        [V17    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "Inlining Arg" <System.String>
-;  V18 tmp13        [V18,T07] (  2,  2   )   byref  ->  rdi         single-def "impAppendStmt"
+;  V18 tmp13        [V18,T06] (  2,  2   )   byref  ->  rax         single-def "impAppendStmt"
 ;  V19 tmp14        [V19,T00] (  7,  4.50)     ref  ->  rbx         single-def "field V04._name (fldOffset=0x0)" P-INDEP
 ;* V20 tmp15        [V20    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V06._name (fldOffset=0x0)" P-INDEP
 ;* V21 tmp16        [V21    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V07._name (fldOffset=0x0)" P-INDEP
-;  V22 tmp17        [V22,T05] (  3,  2   )   byref  ->  rsi         "field V08._reference (fldOffset=0x0)" P-INDEP
-;  V23 tmp18        [V23,T06] (  3,  2   )     int  ->  rdx         "field V08._length (fldOffset=0x8)" P-INDEP
+;  V22 tmp17        [V22,T04] (  3,  2   )   byref  ->  rsi         "field V08._reference (fldOffset=0x0)" P-INDEP
+;  V23 tmp18        [V23,T05] (  3,  2   )     int  ->  rdx         "field V08._length (fldOffset=0x8)" P-INDEP
 ;* V24 tmp19        [V24    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V09._name (fldOffset=0x0)" P-INDEP
 ;* V25 tmp20        [V25    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V12._name (fldOffset=0x0)" P-INDEP
 ;* V26 tmp21        [V26    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V13._name (fldOffset=0x0)" P-INDEP
-;  V27 cse0         [V27,T04] (  3,  2.50)     ref  ->  rax         "CSE #01: aggressive"
-;  V28 cse1         [V28,T09] (  2,  1   )     int  ->  rdi         "CSE #02: moderate"
+;  V27 cse0         [V27,T07] (  2,  2   )     ref  ->  rax         "CSE #01: aggressive"
+;  V28 cse1         [V28,T09] (  2,  1   )     int  ->  rax         "CSE #02: moderate"
 ;
 ; Lcl frame size = 8
 
 G_M6010_IG01:
        push     rbp
        push     r15
        push     r14
        push     rbx
        push     rax
        lea      rbp, [rsp+0x20]
        mov      rbx, r8
 						;; size=15 bbWeight=1 PerfScore 5.75
 G_M6010_IG02:
        mov      rax, 0xD1FFAB1E      ; 'SHA1'
        cmp      rbx, rax
        je       SHORT G_M6010_IG04
 						;; size=15 bbWeight=1 PerfScore 1.50
 G_M6010_IG03:
        test     rbx, rbx
        je       SHORT G_M6010_IG09
-       mov      edi, dword ptr [rbx+0x08]
-       cmp      edi, 4
+       mov      eax, dword ptr [rbx+0x08]
+       cmp      eax, 4
        jne      SHORT G_M6010_IG09
-       lea      rdi, bword ptr [rbx+0x0C]
-       mov      rdi, qword ptr [rdi]
-       cmp      rdi, qword ptr [rax+0x0C]
+       lea      rax, bword ptr [rbx+0x0C]
+       mov      rdi, 0xD1FFAB1E
+       cmp      qword ptr [rax], rdi
        sete     al
        movzx    rax, al
        test     eax, eax
        je       SHORT G_M6010_IG09
-						;; size=34 bbWeight=0.50 PerfScore 5.50
+						;; size=40 bbWeight=0.50 PerfScore 4.62
 G_M6010_IG04:
        test     rsi, rsi
        je       SHORT G_M6010_IG06
 						;; size=5 bbWeight=1 PerfScore 1.25
 G_M6010_IG05:
        mov      eax, edx
        mov      edi, ecx
        add      rax, rdi
        mov      edi, dword ptr [rsi+0x08]
        cmp      rax, rdi
        ja       SHORT G_M6010_IG10
        mov      edx, edx
        lea      rsi, bword ptr [rsi+rdx+0x10]
        mov      edx, ecx
        jmp      SHORT G_M6010_IG07
 						;; size=26 bbWeight=0.50 PerfScore 3.75
 G_M6010_IG06:
        or       edx, ecx
        jne      SHORT G_M6010_IG10
        xor      rsi, rsi
        xor      edx, edx
 						;; size=8 bbWeight=0.50 PerfScore 0.88
 G_M6010_IG07:
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Security.Cryptography.CryptographicOperations:HashData(System.Security.Cryptography.HashAlgorithmName,System.ReadOnlySpan`1[byte]):byte[]
 						;; size=13 bbWeight=1 PerfScore 0.50
 G_M6010_IG08:
        add      rsp, 8
        pop      rbx
        pop      r14
        pop      r15
        pop      rbp
        tail.jmp [rax]System.Security.Cryptography.CryptographicOperations:HashData(System.Security.Cryptography.HashAlgorithmName,System.ReadOnlySpan`1[byte]):byte[]
 						;; size=13 bbWeight=1 PerfScore 4.25
 G_M6010_IG09:
        mov      rax, 0xD1FFAB1E      ; code for System.SR:get_Cryptography_UnknownHashAlgorithm():System.String
        call     [rax]System.SR:get_Cryptography_UnknownHashAlgorithm():System.String
        mov      r15, rax
        mov      rdi, 0xD1FFAB1E      ; System.Security.Cryptography.CryptographicException
        call     CORINFO_HELP_NEWSFAST
        mov      r14, rax
        mov      rdi, r14
        mov      rsi, r15
        mov      rdx, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Security.Cryptography.CryptographicException:.ctor(System.String,System.String):this
        call     [rax]System.Security.Cryptography.CryptographicException:.ctor(System.String,System.String):this
        mov      rdi, r14
        call     CORINFO_HELP_THROW
        int3     
 						;; size=63 bbWeight=0 PerfScore 0.00
 G_M6010_IG10:
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentOutOfRangeException()
        call     [rax]System.ThrowHelper:ThrowArgumentOutOfRangeException()
        int3     
 						;; size=13 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 205, prolog size 15, PerfScore 23.38, instruction count 63, allocated bytes for code 205 (MethodHash=6ae5e885) for method System.Security.Cryptography.DSACryptoServiceProvider:HashData(byte[],int,int,System.Security.Cryptography.HashAlgorithmName):byte[]:this (FullOpts)
+; Total bytes of code 211, prolog size 15, PerfScore 22.50, instruction count 63, allocated bytes for code 211 (MethodHash=6ae5e885) for method System.Security.Cryptography.DSACryptoServiceProvider:HashData(byte[],int,int,System.Security.Cryptography.HashAlgorithmName):byte[]:this (FullOpts)
 ; ============================================================

6 (3.05 % of base) - System.Security.Cryptography.DSACryptoServiceProvider:HashData(System.IO.Stream,System.Security.Cryptography.HashAlgorithmName):byte[]:this

 ; Assembly listing for method System.Security.Cryptography.DSACryptoServiceProvider:HashData(System.IO.Stream,System.Security.Cryptography.HashAlgorithmName):byte[]:this (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 12 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 this         [V00    ] (  0,  0   )     ref  ->  zero-ref    this class-hnd single-def <System.Security.Cryptography.DSACryptoServiceProvider>
 ;  V01 arg1         [V01,T01] (  4,  4   )     ref  ->  r15         class-hnd single-def <System.IO.Stream>
 ;* V02 arg2         [V02    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op single-def <System.Security.Cryptography.HashAlgorithmName>
 ;# V03 OutArgs      [V03    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;* V04 tmp1         [V04    ] (  0,  0   )  struct ( 8) zero-ref    "impAppendStmt" <System.Security.Cryptography.HashAlgorithmName>
 ;* V05 tmp2         [V05    ] (  0,  0   )  struct ( 8) zero-ref    "spilled call-like call argument" <System.Security.Cryptography.HashAlgorithmName>
 ;  V06 tmp3         [V06,T08] (  2,  0   )     ref  ->  r15         class-hnd exact single-def "impAppendStmt" <System.String>
 ;  V07 tmp4         [V07,T07] (  3,  0   )     ref  ->  r14         class-hnd exact single-def "NewObj constructor temp" <System.Security.Cryptography.CryptographicException>
 ;* V08 tmp5         [V08    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Security.Cryptography.HashAlgorithmName>
 ;* V09 tmp6         [V09    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "Inlining Arg" <System.Security.Cryptography.HashAlgorithmName>
 ;* V10 tmp7         [V10    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "Inlining Arg" <System.String>
 ;* V11 tmp8         [V11    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.String>
 ;  V12 tmp9         [V12,T05] (  2,  1   )   ubyte  ->  rdi         "Inline return value spill temp"
 ;* V13 tmp10        [V13    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact single-def "Inlining Arg" <System.String>
-;  V14 tmp11        [V14,T03] (  2,  2   )   byref  ->  rax         single-def "impAppendStmt"
+;  V14 tmp11        [V14,T02] (  2,  2   )   byref  ->  rdi         single-def "impAppendStmt"
 ;* V15 tmp12        [V15    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "Inlining Arg" <System.Security.Cryptography.HashAlgorithmName>
 ;  V16 tmp13        [V16,T04] (  2,  2   )     int  ->  r14         "Inline stloc first use temp"
 ;  V17 tmp14        [V17,T00] (  8,  5.50)     ref  ->  rbx         single-def "field V02._name (fldOffset=0x0)" P-INDEP
 ;* V18 tmp15        [V18    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V04._name (fldOffset=0x0)" P-INDEP
 ;* V19 tmp16        [V19    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V05._name (fldOffset=0x0)" P-INDEP
 ;* V20 tmp17        [V20    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V08._name (fldOffset=0x0)" P-INDEP
 ;* V21 tmp18        [V21    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V09._name (fldOffset=0x0)" P-INDEP
 ;* V22 tmp19        [V22    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V15._name (fldOffset=0x0)" P-INDEP
-;  V23 cse0         [V23,T02] (  3,  2.50)     ref  ->  rdi         "CSE #01: aggressive"
-;  V24 cse1         [V24,T06] (  2,  1   )     int  ->  rax         "CSE #02: moderate"
+;  V23 cse0         [V23,T03] (  2,  2   )     ref  ->  rdi         "CSE #01: aggressive"
+;  V24 cse1         [V24,T06] (  2,  1   )     int  ->  rdi         "CSE #02: moderate"
 ;
 ; Lcl frame size = 8
 
 G_M48777_IG01:
        push     rbp
        push     r15
        push     r14
        push     rbx
        push     rax
        lea      rbp, [rsp+0x20]
        mov      r15, rsi
        mov      rbx, rdx
 						;; size=18 bbWeight=1 PerfScore 6.00
 G_M48777_IG02:
        mov      rdi, 0xD1FFAB1E      ; 'SHA1'
        cmp      rbx, rdi
        je       SHORT G_M48777_IG04
 						;; size=15 bbWeight=1 PerfScore 1.50
 G_M48777_IG03:
        test     rbx, rbx
        je       SHORT G_M48777_IG06
-       mov      eax, dword ptr [rbx+0x08]
-       cmp      eax, 4
+       mov      edi, dword ptr [rbx+0x08]
+       cmp      edi, 4
        jne      SHORT G_M48777_IG06
-       lea      rax, bword ptr [rbx+0x0C]
-       mov      rax, qword ptr [rax]
-       cmp      rax, qword ptr [rdi+0x0C]
+       lea      rdi, bword ptr [rbx+0x0C]
+       mov      rax, 0xD1FFAB1E
+       cmp      qword ptr [rdi], rax
        sete     dil
        movzx    rdi, dil
        test     edi, edi
        je       SHORT G_M48777_IG06
-						;; size=36 bbWeight=0.50 PerfScore 5.50
+						;; size=42 bbWeight=0.50 PerfScore 4.62
 G_M48777_IG04:
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Security.Cryptography.CryptographicOperations:CheckHashAndGetLength(System.Security.Cryptography.HashAlgorithmName):int
        call     [rax]System.Security.Cryptography.CryptographicOperations:CheckHashAndGetLength(System.Security.Cryptography.HashAlgorithmName):int
        mov      r14d, eax
        mov      rdi, r15
        mov      rax, 0xD1FFAB1E      ; code for System.Security.Cryptography.CryptographicOperations:CheckStream(System.IO.Stream)
        call     [rax]System.Security.Cryptography.CryptographicOperations:CheckStream(System.IO.Stream)
        mov      rdi, rbx
        mov      esi, r14d
        mov      rdx, r15
        mov      rax, 0xD1FFAB1E      ; code for System.Security.Cryptography.LiteHashProvider:HashStream(System.String,int,System.IO.Stream):byte[]
 						;; size=52 bbWeight=1 PerfScore 8.25
 G_M48777_IG05:
        add      rsp, 8
        pop      rbx
        pop      r14
        pop      r15
        pop      rbp
        tail.jmp [rax]System.Security.Cryptography.LiteHashProvider:HashStream(System.String,int,System.IO.Stream):byte[]
 						;; size=13 bbWeight=1 PerfScore 4.25
 G_M48777_IG06:
        mov      rax, 0xD1FFAB1E      ; code for System.SR:get_Cryptography_UnknownHashAlgorithm():System.String
        call     [rax]System.SR:get_Cryptography_UnknownHashAlgorithm():System.String
        mov      r15, rax
        mov      rdi, 0xD1FFAB1E      ; System.Security.Cryptography.CryptographicException
        call     CORINFO_HELP_NEWSFAST
        mov      r14, rax
        mov      rdi, r14
        mov      rsi, r15
        mov      rdx, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.Security.Cryptography.CryptographicException:.ctor(System.String,System.String):this
        call     [rax]System.Security.Cryptography.CryptographicException:.ctor(System.String,System.String):this
        mov      rdi, r14
        call     CORINFO_HELP_THROW
        int3     
 						;; size=63 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 197, prolog size 12, PerfScore 25.50, instruction count 54, allocated bytes for code 197 (MethodHash=a97d4176) for method System.Security.Cryptography.DSACryptoServiceProvider:HashData(System.IO.Stream,System.Security.Cryptography.HashAlgorithmName):byte[]:this (FullOpts)
+; Total bytes of code 203, prolog size 12, PerfScore 24.62, instruction count 54, allocated bytes for code 203 (MethodHash=a97d4176) for method System.Security.Cryptography.DSACryptoServiceProvider:HashData(System.IO.Stream,System.Security.Cryptography.HashAlgorithmName):byte[]:this (FullOpts)
 ; ============================================================

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

Larger list of diffs: https://gist.github.com/MihuBot/4cdbb51071e553cef0b54af5ce165086

[MihuBot]

Top method improvements

-66 (-27.27 % of base) - System.Runtime.Serialization.XmlObjectSerializerReadContext:ReadIfNullOrRef(System.Runtime.Serialization.XmlReaderDelegator,System.Type,bool):System.String:this

 ; Assembly listing for method System.Runtime.Serialization.XmlObjectSerializerReadContext:ReadIfNullOrRef(System.Runtime.Serialization.XmlReaderDelegator,System.Type,bool):System.String:this (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 6 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T00] (  9,  6   )     ref  ->  rbx         this class-hnd single-def <System.Runtime.Serialization.XmlObjectSerializerReadContext>
-;  V01 arg1         [V01,T02] (  6,  4   )     ref  ->  r15         class-hnd single-def <System.Runtime.Serialization.XmlReaderDelegator>
-;  V02 arg2         [V02,T03] (  4,  3   )     ref  ->  r14         class-hnd single-def <System.Type>
-;  V03 arg3         [V03,T04] (  4,  3   )   ubyte  ->  r13         single-def
+;  V01 arg1         [V01,T01] (  6,  4   )     ref  ->  r15         class-hnd single-def <System.Runtime.Serialization.XmlReaderDelegator>
+;  V02 arg2         [V02,T03] (  4,  3   )     ref  ->  rsi         class-hnd single-def <System.Type>
+;  V03 arg3         [V03,T04] (  4,  3   )   ubyte  ->  rcx         single-def
 ;# V04 OutArgs      [V04    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
-;  V05 tmp1         [V05,T01] (  5,  7   )     ref  ->  rdi         class-hnd exact single-def "Inlining Arg" <System.String>
+;  V05 tmp1         [V05,T02] (  4,  6   )     ref  ->  rax         class-hnd exact single-def "Inlining Arg" <System.String>
 ;  V06 tmp2         [V06,T08] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
 ;* V07 tmp3         [V07    ] (  0,  0   )   byref  ->  zero-ref    "impAppendStmt"
-;  V08 tmp4         [V08,T06] (  3,  3   )     ref  ->  rdi         single-def "argument with side effect"
-;  V09 tmp5         [V09,T07] (  3,  3   )     ref  ->  rdi         single-def "argument with side effect"
-;  V10 cse0         [V10,T05] (  4,  3   )     ref  ->  r12         "CSE #01: aggressive"
-;  V11 cse1         [V11,T09] (  2,  1   )     int  ->  rdx         "CSE #02: moderate"
+;  V08 tmp4         [V08,T05] (  3,  3   )     ref  ->  rdi         single-def "argument with side effect"
+;  V09 tmp5         [V09,T06] (  3,  3   )     ref  ->  rdi         single-def "argument with side effect"
+;  V10 cse0         [V10,T07] (  3,  2.50)     ref  ->  rdx         "CSE #01: aggressive"
+;  V11 cse1         [V11,T09] (  2,  1   )     int  ->  rax         "CSE #02: moderate"
 ;
-; Lcl frame size = 8
+; Lcl frame size = 0
 
 G_M10000_IG01:
        push     rbp
        push     r15
-       push     r14
-       push     r13
-       push     r12
        push     rbx
-       push     rax
-       lea      rbp, [rsp+0x30]
+       lea      rbp, [rsp+0x10]
        mov      rbx, rdi
        mov      r15, rsi
-       mov      r14, rdx
-       mov      r13d, ecx
-						;; size=28 bbWeight=1 PerfScore 8.50
+       mov      rsi, rdx
+						;; size=18 bbWeight=1 PerfScore 4.25
 G_M10000_IG02:
-       mov      rdx, gword ptr [rbx+0x68]
-       mov      rdi, gword ptr [rdx+0x10]
-       mov      r12, 0xD1FFAB1E      ; ''
-       cmp      rdi, r12
+       mov      rax, gword ptr [rbx+0x68]
+       mov      rax, gword ptr [rax+0x10]
+       mov      rdx, 0xD1FFAB1E      ; ''
+       cmp      rax, rdx
        je       SHORT G_M10000_IG04
 						;; size=23 bbWeight=1 PerfScore 5.50
 G_M10000_IG03:
-       test     rdi, rdi
+       test     rax, rax
        je       SHORT G_M10000_IG08
-       mov      edx, dword ptr [rdi+0x08]
-       test     edx, edx
+       mov      eax, dword ptr [rax+0x08]
+       test     eax, eax
        jne      SHORT G_M10000_IG08
-       xor      edx, edx
-       lea      rsi, bword ptr [r12+0x0C]
-       add      rdi, 12
-       mov      rax, 0xD1FFAB1E      ; code for System.SpanHelpers:SequenceEqual(byref,byref,nuint):bool
-       call     [rax]System.SpanHelpers:SequenceEqual(byref,byref,nuint):bool
+       mov      eax, 1
        test     eax, eax
        je       SHORT G_M10000_IG08
-						;; size=39 bbWeight=0.50 PerfScore 5.00
+						;; size=21 bbWeight=0.50 PerfScore 3.00
 G_M10000_IG04:
        mov      rax, gword ptr [rbx+0x68]
        cmp      byte  ptr [rax+0x5C], 0
        jne      SHORT G_M10000_IG06
-       mov      rax, r12
+       mov      rax, rdx
 						;; size=13 bbWeight=0.50 PerfScore 2.62
 G_M10000_IG05:
-       add      rsp, 8
        pop      rbx
-       pop      r12
-       pop      r13
-       pop      r14
        pop      r15
        pop      rbp
        ret      
-						;; size=15 bbWeight=0.50 PerfScore 2.12
+						;; size=5 bbWeight=0.50 PerfScore 1.25
 G_M10000_IG06:
-       movzx    rdx, r13b
+       movzx    rdx, cl
        mov      rdi, rbx
-       mov      rsi, r14
        mov      rax, qword ptr [rbx]
        mov      rax, qword ptr [rax+0x48]
        call     [rax+0x08]System.Runtime.Serialization.XmlObjectSerializerContext:CheckIfTypeSerializable(System.Type,bool):this
        mov      rdi, gword ptr [r15+0x08]
        mov      rax, qword ptr [rdi]
        mov      rax, qword ptr [rax+0x80]
        call     [rax+0x30]System.Xml.XmlReader:Skip():this
        mov      byte  ptr [r15+0x18], 0
        xor      rax, rax
-						;; size=44 bbWeight=0.50 PerfScore 9.00
+						;; size=40 bbWeight=0.50 PerfScore 8.88
 G_M10000_IG07:
-       add      rsp, 8
        pop      rbx
-       pop      r12
-       pop      r13
-       pop      r14
        pop      r15
        pop      rbp
        ret      
-						;; size=15 bbWeight=0.50 PerfScore 2.12
+						;; size=5 bbWeight=0.50 PerfScore 1.25
 G_M10000_IG08:
-       movzx    rdx, r13b
+       movzx    rdx, cl
        mov      rdi, rbx
-       mov      rsi, r14
        mov      rax, qword ptr [rbx]
        mov      rax, qword ptr [rax+0x48]
        call     [rax+0x08]System.Runtime.Serialization.XmlObjectSerializerContext:CheckIfTypeSerializable(System.Type,bool):this
        mov      rdi, gword ptr [r15+0x08]
        mov      rax, qword ptr [rdi]
        mov      rax, qword ptr [rax+0x80]
        call     [rax+0x30]System.Xml.XmlReader:Skip():this
        mov      byte  ptr [r15+0x18], 0
        mov      rax, gword ptr [rbx+0x68]
        mov      rax, gword ptr [rax+0x10]
-						;; size=50 bbWeight=0.50 PerfScore 10.88
+						;; size=46 bbWeight=0.50 PerfScore 10.75
 G_M10000_IG09:
-       add      rsp, 8
        pop      rbx
-       pop      r12
-       pop      r13
-       pop      r14
        pop      r15
        pop      rbp
        ret      
-						;; size=15 bbWeight=0.50 PerfScore 2.12
+						;; size=5 bbWeight=0.50 PerfScore 1.25
 
-; Total bytes of code 242, prolog size 16, PerfScore 47.88, instruction count 82, allocated bytes for code 242 (MethodHash=3f32d8ef) for method System.Runtime.Serialization.XmlObjectSerializerReadContext:ReadIfNullOrRef(System.Runtime.Serialization.XmlReaderDelegator,System.Type,bool):System.String:this (FullOpts)
+; Total bytes of code 176, prolog size 9, PerfScore 38.75, instruction count 59, allocated bytes for code 176 (MethodHash=3f32d8ef) for method System.Runtime.Serialization.XmlObjectSerializerReadContext:ReadIfNullOrRef(System.Runtime.Serialization.XmlReaderDelegator,System.Type,bool):System.String:this (FullOpts)
 ; ============================================================

-62 (-21.09 % of base) - System.Text.Json.JsonSerializer:GetMetadataPropertyName(System.ReadOnlySpan`1[byte],System.Text.Json.Serialization.Metadata.PolymorphicTypeResolver):byte

 ; Assembly listing for method System.Text.Json.JsonSerializer:GetMetadataPropertyName(System.ReadOnlySpan`1[byte],System.Text.Json.Serialization.Metadata.PolymorphicTypeResolver):byte (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 28 single block inlinees; 10 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 arg0         [V00    ] (  0,  0   )  struct (16) zero-ref    multireg-arg ld-addr-op single-def <System.ReadOnlySpan`1[byte]>
 ;  V01 arg1         [V01,T01] (  6,  4   )     ref  ->  rdx         class-hnd single-def <System.Text.Json.Serialization.Metadata.PolymorphicTypeResolver>
 ;* V02 loc0         [V02    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def <byte[]>
 ;* V03 loc1         [V03    ] (  0,  0   )     int  ->  zero-ref   
 ;# V04 OutArgs      [V04    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
-;  V05 tmp1         [V05,T11] (  4,  2   )     ref  ->  rdx        
+;  V05 tmp1         [V05,T05] (  4,  2   )     ref  ->  rdx        
 ;* V06 tmp2         [V06    ] (  0,  0   )  struct (16) zero-ref    "impAppendStmt" <System.ReadOnlySpan`1[byte]>
 ;* V07 tmp3         [V07    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.ReadOnlySpan`1[byte]>
 ;* V08 tmp4         [V08    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
 ;* V09 tmp5         [V09    ] (  0,  0   )  struct (16) zero-ref    "impAppendStmt" <System.ReadOnlySpan`1[byte]>
-;  V10 tmp6         [V10,T13] (  2,  1   )     ref  ->  rax        
+;  V10 tmp6         [V10,T07] (  2,  1   )     ref  ->  rax        
 ;* V11 tmp7         [V11    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
 ;* V12 tmp8         [V12    ] (  0,  0   )  struct (16) zero-ref    "impAppendStmt" <System.ReadOnlySpan`1[byte]>
 ;* V13 tmp9         [V13    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
 ;* V14 tmp10        [V14    ] (  0,  0   )  struct (16) zero-ref    "impAppendStmt" <System.ReadOnlySpan`1[byte]>
 ;* V15 tmp11        [V15    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
 ;* V16 tmp12        [V16    ] (  0,  0   )  struct (16) zero-ref    "impAppendStmt" <System.ReadOnlySpan`1[byte]>
-;  V17 tmp13        [V17,T15] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
+;  V17 tmp13        [V17,T09] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
 ;* V18 tmp14        [V18    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V19 tmp15        [V19    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V20 tmp16        [V20    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V21 tmp17        [V21    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V22 tmp18        [V22    ] (  0,  0   )   byref  ->  zero-ref    "impAppendStmt"
 ;* V23 tmp19        [V23    ] (  0,  0   )   byref  ->  zero-ref    single-def "impAppendStmt"
 ;* V24 tmp20        [V24    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V25 tmp21        [V25    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V26 tmp22        [V26    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V27 tmp23        [V27    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
-;  V28 tmp24        [V28,T16] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
+;  V28 tmp24        [V28,T10] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
 ;* V29 tmp25        [V29    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V30 tmp26        [V30    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V31 tmp27        [V31    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V32 tmp28        [V32    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V33 tmp29        [V33    ] (  0,  0   )   byref  ->  zero-ref    "impAppendStmt"
 ;* V34 tmp30        [V34    ] (  0,  0   )   byref  ->  zero-ref    single-def "impAppendStmt"
 ;* V35 tmp31        [V35    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V36 tmp32        [V36    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V37 tmp33        [V37    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V38 tmp34        [V38    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
-;  V39 tmp35        [V39,T17] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
+;  V39 tmp35        [V39,T11] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
 ;* V40 tmp36        [V40    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V41 tmp37        [V41    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V42 tmp38        [V42    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V43 tmp39        [V43    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V44 tmp40        [V44    ] (  0,  0   )   byref  ->  zero-ref    "impAppendStmt"
 ;* V45 tmp41        [V45    ] (  0,  0   )   byref  ->  zero-ref    single-def "impAppendStmt"
 ;* V46 tmp42        [V46    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V47 tmp43        [V47    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V48 tmp44        [V48    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V49 tmp45        [V49    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
-;  V50 tmp46        [V50,T18] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
+;  V50 tmp46        [V50,T12] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
 ;* V51 tmp47        [V51    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V52 tmp48        [V52    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V53 tmp49        [V53    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V54 tmp50        [V54    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V55 tmp51        [V55    ] (  0,  0   )   byref  ->  zero-ref    "impAppendStmt"
 ;* V56 tmp52        [V56    ] (  0,  0   )   byref  ->  zero-ref    single-def "impAppendStmt"
 ;* V57 tmp53        [V57    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V58 tmp54        [V58    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V59 tmp55        [V59    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V60 tmp56        [V60    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V61 tmp57        [V61    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
-;  V62 tmp58        [V62,T19] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
+;  V62 tmp58        [V62,T13] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
 ;* V63 tmp59        [V63    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V64 tmp60        [V64    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V65 tmp61        [V65    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V66 tmp62        [V66    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V67 tmp63        [V67    ] (  0,  0   )   byref  ->  zero-ref    "impAppendStmt"
 ;* V68 tmp64        [V68    ] (  0,  0   )   byref  ->  zero-ref    single-def "impAppendStmt"
 ;* V69 tmp65        [V69    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V70 tmp66        [V70    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V71 tmp67        [V71    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V72 tmp68        [V72    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
-;  V73 tmp69        [V73,T09] (  3,  3   )     int  ->  rax         "Single return block return value"
-;  V74 tmp70        [V74,T00] (  7,  4   )   byref  ->  rdi         single-def "field V00._reference (fldOffset=0x0)" P-INDEP
+;  V73 tmp69        [V73,T03] (  3,  3   )     int  ->  rax         "Single return block return value"
+;  V74 tmp70        [V74,T00] ( 10,  5.50)   byref  ->  rdi         single-def "field V00._reference (fldOffset=0x0)" P-INDEP
 ;  V75 tmp71        [V75,T02] (  4,  3   )     int  ->  rsi         single-def "field V00._length (fldOffset=0x8)" P-INDEP
 ;* V76 tmp72        [V76    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V06._reference (fldOffset=0x0)" P-INDEP
 ;* V77 tmp73        [V77    ] (  0,  0   )     int  ->  zero-ref    "field V06._length (fldOffset=0x8)" P-INDEP
 ;* V78 tmp74        [V78    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V07._reference (fldOffset=0x0)" P-INDEP
 ;* V79 tmp75        [V79    ] (  0,  0   )     int  ->  zero-ref    "field V07._length (fldOffset=0x8)" P-INDEP
 ;* V80 tmp76        [V80    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V08._reference (fldOffset=0x0)" P-INDEP
 ;* V81 tmp77        [V81    ] (  0,  0   )     int  ->  zero-ref    "field V08._length (fldOffset=0x8)" P-INDEP
 ;* V82 tmp78        [V82    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V09._reference (fldOffset=0x0)" P-INDEP
 ;* V83 tmp79        [V83    ] (  0,  0   )     int  ->  zero-ref    "field V09._length (fldOffset=0x8)" P-INDEP
 ;* V84 tmp80        [V84    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V11._reference (fldOffset=0x0)" P-INDEP
 ;* V85 tmp81        [V85    ] (  0,  0   )     int  ->  zero-ref    "field V11._length (fldOffset=0x8)" P-INDEP
 ;* V86 tmp82        [V86    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V12._reference (fldOffset=0x0)" P-INDEP
 ;* V87 tmp83        [V87    ] (  0,  0   )     int  ->  zero-ref    "field V12._length (fldOffset=0x8)" P-INDEP
 ;* V88 tmp84        [V88    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V13._reference (fldOffset=0x0)" P-INDEP
 ;* V89 tmp85        [V89    ] (  0,  0   )     int  ->  zero-ref    "field V13._length (fldOffset=0x8)" P-INDEP
 ;* V90 tmp86        [V90    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V14._reference (fldOffset=0x0)" P-INDEP
 ;* V91 tmp87        [V91    ] (  0,  0   )     int  ->  zero-ref    "field V14._length (fldOffset=0x8)" P-INDEP
 ;* V92 tmp88        [V92    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V15._reference (fldOffset=0x0)" P-INDEP
 ;* V93 tmp89        [V93    ] (  0,  0   )     int  ->  zero-ref    "field V15._length (fldOffset=0x8)" P-INDEP
 ;* V94 tmp90        [V94    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V16._reference (fldOffset=0x0)" P-INDEP
 ;* V95 tmp91        [V95    ] (  0,  0   )     int  ->  zero-ref    "field V16._length (fldOffset=0x8)" P-INDEP
 ;* V96 tmp92        [V96    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V18._reference (fldOffset=0x0)" P-INDEP
 ;* V97 tmp93        [V97    ] (  0,  0   )     int  ->  zero-ref    "field V18._length (fldOffset=0x8)" P-INDEP
 ;* V98 tmp94        [V98    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V20._reference (fldOffset=0x0)" P-INDEP
 ;* V99 tmp95        [V99    ] (  0,  0   )     int  ->  zero-ref    "field V20._length (fldOffset=0x8)" P-INDEP
 ;* V100 tmp96       [V100    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V24._reference (fldOffset=0x0)" P-INDEP
 ;* V101 tmp97       [V101    ] (  0,  0   )     int  ->  zero-ref    "field V24._length (fldOffset=0x8)" P-INDEP
 ;* V102 tmp98       [V102    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V25._reference (fldOffset=0x0)" P-INDEP
 ;* V103 tmp99       [V103    ] (  0,  0   )     int  ->  zero-ref    "field V25._length (fldOffset=0x8)" P-INDEP
 ;* V104 tmp100      [V104    ] (  0,  0   )   byref  ->  zero-ref    "field V26._reference (fldOffset=0x0)" P-INDEP
 ;* V105 tmp101      [V105    ] (  0,  0   )     int  ->  zero-ref    "field V26._length (fldOffset=0x8)" P-INDEP
 ;* V106 tmp102      [V106    ] (  0,  0   )   byref  ->  zero-ref    "field V27._reference (fldOffset=0x0)" P-INDEP
 ;* V107 tmp103      [V107    ] (  0,  0   )     int  ->  zero-ref    "field V27._length (fldOffset=0x8)" P-INDEP
 ;* V108 tmp104      [V108    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V29._reference (fldOffset=0x0)" P-INDEP
 ;* V109 tmp105      [V109    ] (  0,  0   )     int  ->  zero-ref    "field V29._length (fldOffset=0x8)" P-INDEP
 ;* V110 tmp106      [V110    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V31._reference (fldOffset=0x0)" P-INDEP
 ;* V111 tmp107      [V111    ] (  0,  0   )     int  ->  zero-ref    "field V31._length (fldOffset=0x8)" P-INDEP
 ;* V112 tmp108      [V112    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V35._reference (fldOffset=0x0)" P-INDEP
 ;* V113 tmp109      [V113    ] (  0,  0   )     int  ->  zero-ref    "field V35._length (fldOffset=0x8)" P-INDEP
 ;* V114 tmp110      [V114    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V36._reference (fldOffset=0x0)" P-INDEP
 ;* V115 tmp111      [V115    ] (  0,  0   )     int  ->  zero-ref    "field V36._length (fldOffset=0x8)" P-INDEP
 ;* V116 tmp112      [V116    ] (  0,  0   )   byref  ->  zero-ref    "field V37._reference (fldOffset=0x0)" P-INDEP
 ;* V117 tmp113      [V117    ] (  0,  0   )     int  ->  zero-ref    "field V37._length (fldOffset=0x8)" P-INDEP
 ;* V118 tmp114      [V118    ] (  0,  0   )   byref  ->  zero-ref    "field V38._reference (fldOffset=0x0)" P-INDEP
 ;* V119 tmp115      [V119    ] (  0,  0   )     int  ->  zero-ref    "field V38._length (fldOffset=0x8)" P-INDEP
 ;* V120 tmp116      [V120    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V40._reference (fldOffset=0x0)" P-INDEP
 ;* V121 tmp117      [V121    ] (  0,  0   )     int  ->  zero-ref    "field V40._length (fldOffset=0x8)" P-INDEP
 ;* V122 tmp118      [V122    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V42._reference (fldOffset=0x0)" P-INDEP
 ;* V123 tmp119      [V123    ] (  0,  0   )     int  ->  zero-ref    "field V42._length (fldOffset=0x8)" P-INDEP
 ;* V124 tmp120      [V124    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V46._reference (fldOffset=0x0)" P-INDEP
 ;* V125 tmp121      [V125    ] (  0,  0   )     int  ->  zero-ref    "field V46._length (fldOffset=0x8)" P-INDEP
 ;* V126 tmp122      [V126    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V47._reference (fldOffset=0x0)" P-INDEP
 ;* V127 tmp123      [V127    ] (  0,  0   )     int  ->  zero-ref    "field V47._length (fldOffset=0x8)" P-INDEP
 ;* V128 tmp124      [V128    ] (  0,  0   )   byref  ->  zero-ref    "field V48._reference (fldOffset=0x0)" P-INDEP
 ;* V129 tmp125      [V129    ] (  0,  0   )     int  ->  zero-ref    "field V48._length (fldOffset=0x8)" P-INDEP
 ;* V130 tmp126      [V130    ] (  0,  0   )   byref  ->  zero-ref    "field V49._reference (fldOffset=0x0)" P-INDEP
 ;* V131 tmp127      [V131    ] (  0,  0   )     int  ->  zero-ref    "field V49._length (fldOffset=0x8)" P-INDEP
 ;* V132 tmp128      [V132    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V51._reference (fldOffset=0x0)" P-INDEP
 ;* V133 tmp129      [V133    ] (  0,  0   )     int  ->  zero-ref    "field V51._length (fldOffset=0x8)" P-INDEP
 ;* V134 tmp130      [V134    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V53._reference (fldOffset=0x0)" P-INDEP
 ;* V135 tmp131      [V135    ] (  0,  0   )     int  ->  zero-ref    "field V53._length (fldOffset=0x8)" P-INDEP
 ;* V136 tmp132      [V136    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V57._reference (fldOffset=0x0)" P-INDEP
 ;* V137 tmp133      [V137    ] (  0,  0   )     int  ->  zero-ref    "field V57._length (fldOffset=0x8)" P-INDEP
 ;* V138 tmp134      [V138    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V58._reference (fldOffset=0x0)" P-INDEP
 ;* V139 tmp135      [V139    ] (  0,  0   )     int  ->  zero-ref    "field V58._length (fldOffset=0x8)" P-INDEP
 ;* V140 tmp136      [V140    ] (  0,  0   )   byref  ->  zero-ref    "field V59._reference (fldOffset=0x0)" P-INDEP
 ;* V141 tmp137      [V141    ] (  0,  0   )     int  ->  zero-ref    "field V59._length (fldOffset=0x8)" P-INDEP
 ;* V142 tmp138      [V142    ] (  0,  0   )   byref  ->  zero-ref    "field V60._reference (fldOffset=0x0)" P-INDEP
 ;* V143 tmp139      [V143    ] (  0,  0   )     int  ->  zero-ref    "field V60._length (fldOffset=0x8)" P-INDEP
-;  V144 tmp140      [V144,T14] (  2,  1   )   byref  ->  rax         single-def "field V61._reference (fldOffset=0x0)" P-INDEP
-;  V145 tmp141      [V145,T12] (  3,  1.50)     int  ->  rdx         "field V61._length (fldOffset=0x8)" P-INDEP
+;  V144 tmp140      [V144,T08] (  2,  1   )   byref  ->  rax         single-def "field V61._reference (fldOffset=0x0)" P-INDEP
+;  V145 tmp141      [V145,T06] (  3,  1.50)     int  ->  rdx         "field V61._length (fldOffset=0x8)" P-INDEP
 ;* V146 tmp142      [V146    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V63._reference (fldOffset=0x0)" P-INDEP
 ;* V147 tmp143      [V147    ] (  0,  0   )     int  ->  zero-ref    "field V63._length (fldOffset=0x8)" P-INDEP
 ;* V148 tmp144      [V148    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V65._reference (fldOffset=0x0)" P-INDEP
 ;* V149 tmp145      [V149    ] (  0,  0   )     int  ->  zero-ref    "field V65._length (fldOffset=0x8)" P-INDEP
 ;* V150 tmp146      [V150    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V69._reference (fldOffset=0x0)" P-INDEP
 ;* V151 tmp147      [V151    ] (  0,  0   )     int  ->  zero-ref    "field V69._length (fldOffset=0x8)" P-INDEP
 ;* V152 tmp148      [V152    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V70._reference (fldOffset=0x0)" P-INDEP
 ;* V153 tmp149      [V153    ] (  0,  0   )     int  ->  zero-ref    "field V70._length (fldOffset=0x8)" P-INDEP
 ;* V154 tmp150      [V154    ] (  0,  0   )   byref  ->  zero-ref    "field V71._reference (fldOffset=0x0)" P-INDEP
 ;* V155 tmp151      [V155    ] (  0,  0   )     int  ->  zero-ref    "field V71._length (fldOffset=0x8)" P-INDEP
 ;* V156 tmp152      [V156    ] (  0,  0   )   byref  ->  zero-ref    "field V72._reference (fldOffset=0x0)" P-INDEP
 ;* V157 tmp153      [V157    ] (  0,  0   )     int  ->  zero-ref    "field V72._length (fldOffset=0x8)" P-INDEP
-;  V158 rat0        [V158,T10] (  3,  2.83)     int  ->  rax         "ReplaceWithLclVar is creating a new local variable"
-;  V159 rat1        [V159,T03] (  3,  3   )   byref  ->  rax         "ReplaceWithLclVar is creating a new local variable"
-;  V160 rat2        [V160,T04] (  3,  3   )   byref  ->  rcx         "ReplaceWithLclVar is creating a new local variable"
-;  V161 rat3        [V161,T05] (  3,  3   )   byref  ->  rax         "ReplaceWithLclVar is creating a new local variable"
-;  V162 rat4        [V162,T06] (  3,  3   )   byref  ->  rcx         "ReplaceWithLclVar is creating a new local variable"
-;  V163 rat5        [V163,T07] (  3,  3   )   byref  ->  rax         "ReplaceWithLclVar is creating a new local variable"
-;  V164 rat6        [V164,T08] (  3,  3   )   byref  ->  rcx         "ReplaceWithLclVar is creating a new local variable"
+;  V158 rat0        [V158,T04] (  3,  2.83)     int  ->  rax         "ReplaceWithLclVar is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
 G_M3859_IG01:
        push     rbp
        mov      rbp, rsp
 						;; size=4 bbWeight=1 PerfScore 1.25
 G_M3859_IG02:
        test     esi, esi
-       je       G_M3859_IG08
-						;; size=8 bbWeight=1 PerfScore 1.25
+       je       SHORT G_M3859_IG08
+						;; size=4 bbWeight=1 PerfScore 1.25
 G_M3859_IG03:
        cmp      byte  ptr [rdi], 36
-       jne      G_M3859_IG08
+       jne      SHORT G_M3859_IG08
        lea      eax, [rsi-0x03]
        cmp      eax, 4
        ja       SHORT G_M3859_IG08
-						;; size=17 bbWeight=0.50 PerfScore 2.38
+						;; size=13 bbWeight=0.50 PerfScore 2.38
 G_M3859_IG04:
        mov      eax, eax
        lea      rcx, [reloc @RWD00]
        mov      ecx, dword ptr [rcx+4*rax]
        lea      r8, G_M3859_IG02
        add      rcx, r8
        jmp      rcx
 						;; size=24 bbWeight=0.42 PerfScore 2.50
 G_M3859_IG05:
-       mov      rax, rdi
-       mov      rcx, 0xD1FFAB1E      ; static handle
-       mov      r8d, dword ptr [rax]
-       mov      eax, dword ptr [rax+0x03]
-       xor      r8d, dword ptr [rcx]
-       xor      eax, dword ptr [rcx+0x03]
-       or       eax, r8d
+       mov      eax, dword ptr [rdi]
+       xor      eax, 0xD1FFAB1E
+       mov      ecx, dword ptr [rdi+0x03]
+       xor      ecx, 0xD1FFAB1E
+       or       eax, ecx
        sete     al
        movzx    rax, al
        test     eax, eax
        je       SHORT G_M3859_IG08
        mov      eax, 1
        jmp      SHORT G_M3859_IG12
-						;; size=45 bbWeight=0.50 PerfScore 6.50
+						;; size=35 bbWeight=0.50 PerfScore 4.50
 G_M3859_IG06:
        test     rdx, rdx
        je       SHORT G_M3859_IG07
        mov      rax, gword ptr [rdx+0x28]
        test     rax, rax
        jne      SHORT G_M3859_IG08
 						;; size=14 bbWeight=0.50 PerfScore 2.25
 G_M3859_IG07:
-       mov      rax, rdi
-       mov      rcx, 0xD1FFAB1E      ; static handle
-       mov      r8d, dword ptr [rax]
-       mov      eax, dword ptr [rax+0x01]
-       xor      r8d, dword ptr [rcx]
-       xor      eax, dword ptr [rcx+0x01]
-       or       eax, r8d
+       mov      eax, dword ptr [rdi]
+       xor      eax, 0xD1FFAB1E
+       movzx    rcx, byte  ptr [rdi+0x04]
+       xor      ecx, 101
+       or       eax, ecx
        sete     al
        movzx    rax, al
        test     eax, eax
        jne      SHORT G_M3859_IG09
-						;; size=38 bbWeight=0.50 PerfScore 5.38
+						;; size=26 bbWeight=0.50 PerfScore 3.38
 G_M3859_IG08:
        test     rdx, rdx
        je       SHORT G_M3859_IG11
        mov      rdx, gword ptr [rdx+0x28]
        test     rdx, rdx
        je       SHORT G_M3859_IG11
        lea      rax, bword ptr [rdx+0x10]
        mov      edx, dword ptr [rdx+0x08]
        cmp      esi, edx
        jne      SHORT G_M3859_IG11
        mov      rsi, rax
        mov      rax, 0xD1FFAB1E      ; code for System.SpanHelpers:SequenceEqual(byref,byref,nuint):bool
        call     [rax]System.SpanHelpers:SequenceEqual(byref,byref,nuint):bool
        test     eax, eax
        je       SHORT G_M3859_IG11
 						;; size=44 bbWeight=0.50 PerfScore 6.50
 G_M3859_IG09:
        mov      eax, 8
 						;; size=5 bbWeight=0.50 PerfScore 0.12
 G_M3859_IG10:
        pop      rbp
        ret      
 						;; size=2 bbWeight=0.50 PerfScore 0.75
 G_M3859_IG11:
        xor      eax, eax
 						;; size=2 bbWeight=0.50 PerfScore 0.12
 G_M3859_IG12:
        pop      rbp
        ret      
 						;; size=2 bbWeight=0.50 PerfScore 0.75
 G_M3859_IG13:
-       mov      rax, 0xD1FFAB1E      ; static handle
-       mov      ecx, dword ptr [rdi]
-       cmp      ecx, dword ptr [rax]
+       cmp      dword ptr [rdi], 0xD1FFAB1E
        sete     al
        movzx    rax, al
        test     eax, eax
        je       SHORT G_M3859_IG08
        mov      eax, 4
-						;; size=29 bbWeight=0.50 PerfScore 3.25
+						;; size=21 bbWeight=0.50 PerfScore 2.12
 G_M3859_IG14:
        pop      rbp
        ret      
 						;; size=2 bbWeight=0.50 PerfScore 0.75
 G_M3859_IG15:
-       mov      rax, rdi
-       mov      rcx, 0xD1FFAB1E      ; static handle
-       movzx    r8, word  ptr [rax]
-       movzx    rax, word  ptr [rax+0x01]
-       movzx    r9, word  ptr [rcx]
-       movzx    rcx, word  ptr [rcx+0x01]
-       xor      r8d, r9d
-       xor      eax, ecx
-       or       eax, r8d
+       movzx    rax, word  ptr [rdi]
+       xor      eax, 0x6924
+       movzx    rcx, byte  ptr [rdi+0x02]
+       xor      ecx, 100
+       or       eax, ecx
        sete     al
        movzx    rax, al
        test     eax, eax
-       je       G_M3859_IG08
+       je       SHORT G_M3859_IG08
        mov      eax, 2
-						;; size=56 bbWeight=0.50 PerfScore 5.75
+						;; size=32 bbWeight=0.50 PerfScore 3.50
 G_M3859_IG16:
        pop      rbp
        ret      
 						;; size=2 bbWeight=0.50 PerfScore 0.75
 RWD00  	dd	G_M3859_IG15 - G_M3859_IG02
        	dd	G_M3859_IG13 - G_M3859_IG02
        	dd	G_M3859_IG06 - G_M3859_IG02
        	dd	G_M3859_IG08 - G_M3859_IG02
        	dd	G_M3859_IG05 - G_M3859_IG02
 
 
-; Total bytes of code 294, prolog size 4, PerfScore 40.25, instruction count 90, allocated bytes for code 294 (MethodHash=aa67f0ec) for method System.Text.Json.JsonSerializer:GetMetadataPropertyName(System.ReadOnlySpan`1[byte],System.Text.Json.Serialization.Metadata.PolymorphicTypeResolver):byte (FullOpts)
+; Total bytes of code 232, prolog size 4, PerfScore 32.88, instruction count 80, allocated bytes for code 232 (MethodHash=aa67f0ec) for method System.Text.Json.JsonSerializer:GetMetadataPropertyName(System.ReadOnlySpan`1[byte],System.Text.Json.Serialization.Metadata.PolymorphicTypeResolver):byte (FullOpts)
 ; ============================================================

-58 (-11.46 % of base) - System.Text.Json.JsonReaderHelper:TryGetFloatingPointConstant(System.ReadOnlySpan`1[byte],byref):bool

 ; Assembly listing for method System.Text.Json.JsonReaderHelper:TryGetFloatingPointConstant(System.ReadOnlySpan`1[byte],byref):bool (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 24 single block inlinees; 6 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 arg0         [V00    ] (  0,  0   )  struct (16) zero-ref    multireg-arg ld-addr-op single-def <System.ReadOnlySpan`1[byte]>
 ;  V01 arg1         [V01,T00] (  6,  4   )   byref  ->  rdx         single-def
 ;# V02 OutArgs      [V02    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;* V03 tmp1         [V03    ] (  0,  0   )  struct (16) zero-ref    "impAppendStmt" <System.ReadOnlySpan`1[byte]>
 ;* V04 tmp2         [V04    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.ReadOnlySpan`1[byte]>
 ;* V05 tmp3         [V05    ] (  0,  0   )  struct (16) zero-ref    "impAppendStmt" <System.ReadOnlySpan`1[byte]>
 ;* V06 tmp4         [V06    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.ReadOnlySpan`1[byte]>
 ;* V07 tmp5         [V07    ] (  0,  0   )  struct (16) zero-ref    "impAppendStmt" <System.ReadOnlySpan`1[byte]>
 ;* V08 tmp6         [V08    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.ReadOnlySpan`1[byte]>
 ;* V09 tmp7         [V09    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
-;  V10 tmp8         [V10,T07] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
+;  V10 tmp8         [V10,T03] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
 ;* V11 tmp9         [V11    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V12 tmp10        [V12    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V13 tmp11        [V13    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V14 tmp12        [V14    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V15 tmp13        [V15    ] (  0,  0   )   byref  ->  zero-ref    "impAppendStmt"
 ;* V16 tmp14        [V16    ] (  0,  0   )   byref  ->  zero-ref    single-def "impAppendStmt"
 ;* V17 tmp15        [V17    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V18 tmp16        [V18    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V19 tmp17        [V19    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V20 tmp18        [V20    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V21 tmp19        [V21    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Half>
 ;* V22 tmp20        [V22    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
-;  V23 tmp21        [V23,T08] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
+;  V23 tmp21        [V23,T04] (  2,  1   )   ubyte  ->  rdi         "Inline return value spill temp"
 ;* V24 tmp22        [V24    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V25 tmp23        [V25    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V26 tmp24        [V26    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V27 tmp25        [V27    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V28 tmp26        [V28    ] (  0,  0   )   byref  ->  zero-ref    "impAppendStmt"
 ;* V29 tmp27        [V29    ] (  0,  0   )   byref  ->  zero-ref    single-def "impAppendStmt"
 ;* V30 tmp28        [V30    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V31 tmp29        [V31    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V32 tmp30        [V32    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V33 tmp31        [V33    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V34 tmp32        [V34    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Half>
 ;* V35 tmp33        [V35    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
-;  V36 tmp34        [V36,T09] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
+;  V36 tmp34        [V36,T05] (  2,  1   )   ubyte  ->  rax         "Inline return value spill temp"
 ;* V37 tmp35        [V37    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V38 tmp36        [V38    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V39 tmp37        [V39    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V40 tmp38        [V40    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
 ;* V41 tmp39        [V41    ] (  0,  0   )   byref  ->  zero-ref    "impAppendStmt"
 ;* V42 tmp40        [V42    ] (  0,  0   )   byref  ->  zero-ref    single-def "impAppendStmt"
 ;* V43 tmp41        [V43    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V44 tmp42        [V44    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V45 tmp43        [V45    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V46 tmp44        [V46    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V47 tmp45        [V47    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Half>
-;  V48 tmp46        [V48,T02] (  4,  2.50)   byref  ->  rdi         single-def "field V00._reference (fldOffset=0x0)" P-INDEP
-;  V49 tmp47        [V49,T01] (  4,  3   )     int  ->  rsi         single-def "field V00._length (fldOffset=0x8)" P-INDEP
+;  V48 tmp46        [V48,T01] (  6,  3.50)   byref  ->  rdi         single-def "field V00._reference (fldOffset=0x0)" P-INDEP
+;  V49 tmp47        [V49,T02] (  4,  3   )     int  ->  rsi         single-def "field V00._length (fldOffset=0x8)" P-INDEP
 ;* V50 tmp48        [V50    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V03._reference (fldOffset=0x0)" P-INDEP
 ;* V51 tmp49        [V51    ] (  0,  0   )     int  ->  zero-ref    "field V03._length (fldOffset=0x8)" P-INDEP
 ;* V52 tmp50        [V52    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V04._reference (fldOffset=0x0)" P-INDEP
 ;* V53 tmp51        [V53    ] (  0,  0   )     int  ->  zero-ref    "field V04._length (fldOffset=0x8)" P-INDEP
 ;* V54 tmp52        [V54    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V05._reference (fldOffset=0x0)" P-INDEP
 ;* V55 tmp53        [V55    ] (  0,  0   )     int  ->  zero-ref    "field V05._length (fldOffset=0x8)" P-INDEP
 ;* V56 tmp54        [V56    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V06._reference (fldOffset=0x0)" P-INDEP
 ;* V57 tmp55        [V57    ] (  0,  0   )     int  ->  zero-ref    "field V06._length (fldOffset=0x8)" P-INDEP
 ;* V58 tmp56        [V58    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V07._reference (fldOffset=0x0)" P-INDEP
 ;* V59 tmp57        [V59    ] (  0,  0   )     int  ->  zero-ref    "field V07._length (fldOffset=0x8)" P-INDEP
 ;* V60 tmp58        [V60    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V08._reference (fldOffset=0x0)" P-INDEP
 ;* V61 tmp59        [V61    ] (  0,  0   )     int  ->  zero-ref    "field V08._length (fldOffset=0x8)" P-INDEP
 ;* V62 tmp60        [V62    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V09._reference (fldOffset=0x0)" P-INDEP
 ;* V63 tmp61        [V63    ] (  0,  0   )     int  ->  zero-ref    "field V09._length (fldOffset=0x8)" P-INDEP
 ;* V64 tmp62        [V64    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V11._reference (fldOffset=0x0)" P-INDEP
 ;* V65 tmp63        [V65    ] (  0,  0   )     int  ->  zero-ref    "field V11._length (fldOffset=0x8)" P-INDEP
 ;* V66 tmp64        [V66    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V13._reference (fldOffset=0x0)" P-INDEP
 ;* V67 tmp65        [V67    ] (  0,  0   )     int  ->  zero-ref    "field V13._length (fldOffset=0x8)" P-INDEP
 ;* V68 tmp66        [V68    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V17._reference (fldOffset=0x0)" P-INDEP
 ;* V69 tmp67        [V69    ] (  0,  0   )     int  ->  zero-ref    "field V17._length (fldOffset=0x8)" P-INDEP
 ;* V70 tmp68        [V70    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V18._reference (fldOffset=0x0)" P-INDEP
 ;* V71 tmp69        [V71    ] (  0,  0   )     int  ->  zero-ref    "field V18._length (fldOffset=0x8)" P-INDEP
 ;* V72 tmp70        [V72    ] (  0,  0   )   byref  ->  zero-ref    "field V19._reference (fldOffset=0x0)" P-INDEP
 ;* V73 tmp71        [V73    ] (  0,  0   )     int  ->  zero-ref    "field V19._length (fldOffset=0x8)" P-INDEP
 ;* V74 tmp72        [V74    ] (  0,  0   )   byref  ->  zero-ref    "field V20._reference (fldOffset=0x0)" P-INDEP
 ;* V75 tmp73        [V75    ] (  0,  0   )     int  ->  zero-ref    "field V20._length (fldOffset=0x8)" P-INDEP
 ;* V76 tmp74        [V76    ] (  0,  0   )  ushort  ->  zero-ref    "field V21._value (fldOffset=0x0)" P-INDEP
 ;* V77 tmp75        [V77    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V22._reference (fldOffset=0x0)" P-INDEP
 ;* V78 tmp76        [V78    ] (  0,  0   )     int  ->  zero-ref    "field V22._length (fldOffset=0x8)" P-INDEP
 ;* V79 tmp77        [V79    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V24._reference (fldOffset=0x0)" P-INDEP
 ;* V80 tmp78        [V80    ] (  0,  0   )     int  ->  zero-ref    "field V24._length (fldOffset=0x8)" P-INDEP
 ;* V81 tmp79        [V81    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V26._reference (fldOffset=0x0)" P-INDEP
 ;* V82 tmp80        [V82    ] (  0,  0   )     int  ->  zero-ref    "field V26._length (fldOffset=0x8)" P-INDEP
 ;* V83 tmp81        [V83    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V30._reference (fldOffset=0x0)" P-INDEP
 ;* V84 tmp82        [V84    ] (  0,  0   )     int  ->  zero-ref    "field V30._length (fldOffset=0x8)" P-INDEP
 ;* V85 tmp83        [V85    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V31._reference (fldOffset=0x0)" P-INDEP
 ;* V86 tmp84        [V86    ] (  0,  0   )     int  ->  zero-ref    "field V31._length (fldOffset=0x8)" P-INDEP
 ;* V87 tmp85        [V87    ] (  0,  0   )   byref  ->  zero-ref    "field V32._reference (fldOffset=0x0)" P-INDEP
 ;* V88 tmp86        [V88    ] (  0,  0   )     int  ->  zero-ref    "field V32._length (fldOffset=0x8)" P-INDEP
 ;* V89 tmp87        [V89    ] (  0,  0   )   byref  ->  zero-ref    "field V33._reference (fldOffset=0x0)" P-INDEP
 ;* V90 tmp88        [V90    ] (  0,  0   )     int  ->  zero-ref    "field V33._length (fldOffset=0x8)" P-INDEP
 ;* V91 tmp89        [V91    ] (  0,  0   )  ushort  ->  zero-ref    "field V34._value (fldOffset=0x0)" P-INDEP
 ;* V92 tmp90        [V92    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V35._reference (fldOffset=0x0)" P-INDEP
 ;* V93 tmp91        [V93    ] (  0,  0   )     int  ->  zero-ref    "field V35._length (fldOffset=0x8)" P-INDEP
 ;* V94 tmp92        [V94    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V37._reference (fldOffset=0x0)" P-INDEP
 ;* V95 tmp93        [V95    ] (  0,  0   )     int  ->  zero-ref    "field V37._length (fldOffset=0x8)" P-INDEP
 ;* V96 tmp94        [V96    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V39._reference (fldOffset=0x0)" P-INDEP
 ;* V97 tmp95        [V97    ] (  0,  0   )     int  ->  zero-ref    "field V39._length (fldOffset=0x8)" P-INDEP
 ;* V98 tmp96        [V98    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V43._reference (fldOffset=0x0)" P-INDEP
 ;* V99 tmp97        [V99    ] (  0,  0   )     int  ->  zero-ref    "field V43._length (fldOffset=0x8)" P-INDEP
 ;* V100 tmp98       [V100    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V44._reference (fldOffset=0x0)" P-INDEP
 ;* V101 tmp99       [V101    ] (  0,  0   )     int  ->  zero-ref    "field V44._length (fldOffset=0x8)" P-INDEP
 ;* V102 tmp100      [V102    ] (  0,  0   )   byref  ->  zero-ref    "field V45._reference (fldOffset=0x0)" P-INDEP
 ;* V103 tmp101      [V103    ] (  0,  0   )     int  ->  zero-ref    "field V45._length (fldOffset=0x8)" P-INDEP
 ;* V104 tmp102      [V104    ] (  0,  0   )   byref  ->  zero-ref    "field V46._reference (fldOffset=0x0)" P-INDEP
 ;* V105 tmp103      [V105    ] (  0,  0   )     int  ->  zero-ref    "field V46._length (fldOffset=0x8)" P-INDEP
 ;* V106 tmp104      [V106    ] (  0,  0   )  ushort  ->  zero-ref    "field V47._value (fldOffset=0x0)" P-INDEP
-;  V107 rat0        [V107,T03] (  3,  3   )   byref  ->  rax         "ReplaceWithLclVar is creating a new local variable"
-;  V108 rat1        [V108,T04] (  3,  3   )   byref  ->  rcx         "ReplaceWithLclVar is creating a new local variable"
-;  V109 rat2        [V109,T05] (  3,  3   )   byref  ->  rdi         "ReplaceWithLclVar is creating a new local variable"
-;  V110 rat3        [V110,T06] (  3,  3   )   byref  ->  rax         "ReplaceWithLclVar is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
 G_M49617_IG01:
        push     rbp
        mov      rbp, rsp
 						;; size=4 bbWeight=1 PerfScore 1.25
 G_M49617_IG02:
        cmp      esi, 3
        je       SHORT G_M49617_IG05
 						;; size=5 bbWeight=1 PerfScore 1.25
 G_M49617_IG03:
        cmp      esi, 8
        je       SHORT G_M49617_IG04
        cmp      esi, 9
        jne      SHORT G_M49617_IG06
-       mov      rax, 0xD1FFAB1E      ; static handle
-       mov      rcx, qword ptr [rdi]
-       mov      rdi, qword ptr [rdi+0x01]
-       xor      rcx, qword ptr [rax]
-       xor      rdi, qword ptr [rax+0x01]
-       or       rcx, rdi
+       mov      rax, 0xD1FFAB1E
+       xor      rax, qword ptr [rdi]
+       movzx    rdi, byte  ptr [rdi+0x08]
+       xor      edi, 121
+       mov      ecx, edi
+       or       rax, rcx
        sete     al
        movzx    rax, al
        test     eax, eax
        je       SHORT G_M49617_IG06
        mov      word  ptr [rdx], 0xFC00
        jmp      SHORT G_M49617_IG09
-						;; size=54 bbWeight=0.50 PerfScore 8.00
+						;; size=53 bbWeight=0.50 PerfScore 6.25
 G_M49617_IG04:
-       mov      rax, 0xD1FFAB1E      ; static handle
-       mov      rdi, qword ptr [rdi]
-       cmp      rdi, qword ptr [rax]
-       sete     al
-       movzx    rax, al
-       test     eax, eax
+       mov      rax, 0xD1FFAB1E
+       cmp      qword ptr [rdi], rax
+       sete     dil
+       movzx    rdi, dil
+       test     edi, edi
        je       SHORT G_M49617_IG06
        mov      word  ptr [rdx], 0x7C00
        jmp      SHORT G_M49617_IG09
-						;; size=33 bbWeight=0.50 PerfScore 4.62
+						;; size=32 bbWeight=0.50 PerfScore 3.62
 G_M49617_IG05:
-       mov      rax, rdi
-       mov      rcx, 0xD1FFAB1E      ; static handle
-       movzx    rdi, word  ptr [rax]
-       movzx    rax, word  ptr [rax+0x01]
-       movzx    rsi, word  ptr [rcx]
-       movzx    rcx, word  ptr [rcx+0x01]
-       xor      edi, esi
-       xor      eax, ecx
-       or       eax, edi
+       movzx    rax, word  ptr [rdi]
+       xor      eax, 0x614E
+       movzx    rcx, byte  ptr [rdi+0x02]
+       xor      ecx, 78
+       or       eax, ecx
        sete     al
        movzx    rax, al
        test     eax, eax
        jne      SHORT G_M49617_IG08
-						;; size=43 bbWeight=0.50 PerfScore 5.62
+						;; size=27 bbWeight=0.50 PerfScore 3.38
 G_M49617_IG06:
        mov      word  ptr [rdx], 0
        xor      eax, eax
 						;; size=7 bbWeight=0.50 PerfScore 0.62
 G_M49617_IG07:
        pop      rbp
        ret      
 						;; size=2 bbWeight=0.50 PerfScore 0.75
 G_M49617_IG08:
        mov      word  ptr [rdx], 0xFE00
 						;; size=5 bbWeight=0.50 PerfScore 0.50
 G_M49617_IG09:
        mov      eax, 1
 						;; size=5 bbWeight=0.50 PerfScore 0.12
 G_M49617_IG10:
        pop      rbp
        ret      
 						;; size=2 bbWeight=0.50 PerfScore 0.75
 
-; Total bytes of code 160, prolog size 4, PerfScore 23.50, instruction count 50, allocated bytes for code 160 (MethodHash=90363e2e) for method System.Text.Json.JsonReaderHelper:TryGetFloatingPointConstant(System.ReadOnlySpan`1[byte],byref):bool (FullOpts)
+; Total bytes of code 142, prolog size 4, PerfScore 18.50, instruction count 45, allocated bytes for code 142 (MethodHash=90363e2e) for method System.Text.Json.JsonReaderHelper:TryGetFloatingPointConstant(System.ReadOnlySpan`1[byte],byref):bool (FullOpts)
 ; ============================================================

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

Larger list of diffs: https://gist.github.com/MihuBot/469fde3c7363d5671035a0789f91d402

[MihuBot]

@EgorBo