[JitDiff X64] [hez2010] JIT: Allow stack allocate objects in loops

[MihuBot]

Job completed in 14 minutes.
dotnet/runtime#106526

Diffs

Found 269 files with textual diffs.

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 39673256
Total bytes of diff: 39670064
Total bytes of delta: -3192 (-0.01 % of base)
Total relative delta: -13.62
    diff is an improvement.
    relative diff is an improvement.


Top file regressions (bytes):
          66 : System.Security.Cryptography.Pkcs.dasm (0.02 % of base)
          23 : System.Formats.Nrbf.dasm (0.05 % of base)

Top file improvements (bytes):
       -1475 : System.Private.CoreLib.dasm (-0.02 % of base)
        -677 : System.ComponentModel.Composition.dasm (-0.16 % of base)
        -628 : System.Reflection.Context.dasm (-1.08 % of base)
        -313 : System.Linq.Expressions.dasm (-0.03 % of base)
        -113 : System.Reflection.MetadataLoadContext.dasm (-0.05 % of base)
         -43 : System.ComponentModel.TypeConverter.dasm (-0.01 % of base)
         -32 : ILCompiler.Reflection.ReadyToRun.dasm (-0.02 % of base)

9 total files with Code Size differences (7 improved, 2 regressed), 250 unchanged.

Top method regressions (bytes):
          29 (3.86 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.CryptographicAttributeObjectCollection:Add(System.Security.Cryptography.CryptographicAttributeObject):int:this (FullOpts)
          23 (9.20 % of base) : System.Formats.Nrbf.dasm - System.Formats.Nrbf.ArraySinglePrimitiveRecord`1[System.Numerics.Vector`1[float]]:DecodeFromNonSeekableStream(System.IO.BinaryReader,int):System.Collections.Generic.List`1[System.Numerics.Vector`1[float]] (FullOpts)
          19 (1.64 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Pkcs.Rfc3161TimestampToken:CheckCertificate(System.Security.Cryptography.X509Certificates.X509Certificate2,System.Security.Cryptography.Pkcs.SignerInfo,byref,byref,System.Security.Cryptography.Pkcs.Rfc3161TimestampTokenInfo):ubyte (FullOpts)
          18 (1.43 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Pkcs.Rfc3161TimestampToken:TryGetCertIds(System.Security.Cryptography.Pkcs.SignerInfo,byref,byref):ubyte (FullOpts)
          16 (4.52 % of base) : System.Linq.Expressions.dasm - System.Linq.Expressions.Interpreter.LightCompiler:DefineBlockLabels(System.Linq.Expressions.Expression):this (FullOpts)
          11 (1.77 % of base) : System.Linq.Expressions.dasm - System.Linq.Expressions.ExpressionVisitor:Visit[System.Numerics.Vector`1[float]](System.Collections.ObjectModel.ReadOnlyCollection`1[System.Numerics.Vector`1[float]],System.Func`2[System.Numerics.Vector`1[float],System.Numerics.Vector`1[float]]):System.Collections.ObjectModel.ReadOnlyCollection`1[System.Numerics.Vector`1[float]] (FullOpts)

Top method improvements (bytes):
        -177 (-51.01 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ObjectEqualityComparer`1[double]:LastIndexOf(double[],double,int,int):int:this (FullOpts)
        -168 (-49.12 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ObjectEqualityComparer`1[double]:IndexOf(double[],double,int,int):int:this (FullOpts)
        -156 (-44.19 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ObjectEqualityComparer`1[System.Numerics.Vector`1[float]]:IndexOf(System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int:this (FullOpts)
        -155 (-43.30 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ObjectEqualityComparer`1[System.Numerics.Vector`1[float]]:LastIndexOf(System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int:this (FullOpts)
        -117 (-5.08 % of base) : System.Reflection.Context.dasm - System.Reflection.Context.Custom.CustomType:GetMethodImpl(System.String,int,System.Reflection.Binder,int,System.Type[],System.Reflection.ParameterModifier[]):System.Reflection.MethodInfo:this (FullOpts)
        -113 (-4.80 % of base) : System.Reflection.MetadataLoadContext.dasm - System.Reflection.TypeLoading.Ecma.EcmaDefaultValueProcessing:TryFindRawDefaultValueFromCustomAttributes(System.Reflection.Metadata.CustomAttributeHandleCollection,System.Reflection.TypeLoading.Ecma.EcmaModule,byref):ubyte (FullOpts)
        -109 (-55.05 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ObjectEqualityComparer`1[int]:LastIndexOf(int[],int,int,int):int:this (FullOpts)
        -109 (-54.50 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ObjectEqualityComparer`1[long]:LastIndexOf(long[],long,int,int):int:this (FullOpts)
        -103 (-53.37 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ObjectEqualityComparer`1[int]:IndexOf(int[],int,int,int):int:this (FullOpts)
        -103 (-52.82 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ObjectEqualityComparer`1[long]:IndexOf(long[],long,int,int):int:this (FullOpts)
        -101 (-50.25 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ObjectEqualityComparer`1[ubyte]:LastIndexOf(ubyte[],ubyte,int,int):int:this (FullOpts)
        -100 (-49.02 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ObjectEqualityComparer`1[short]:LastIndexOf(short[],short,int,int):int:this (FullOpts)
         -97 (-48.74 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ObjectEqualityComparer`1[short]:IndexOf(short[],short,int,int):int:this (FullOpts)
         -97 (-49.49 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ObjectEqualityComparer`1[ubyte]:IndexOf(ubyte[],ubyte,int,int):int:this (FullOpts)
         -90 (-48.91 % of base) : System.ComponentModel.Composition.dasm - Microsoft.Internal.Collections.CollectionServices:IsArrayEqual[double](double[],double[]):ubyte (FullOpts)
         -90 (-48.91 % of base) : System.Reflection.Context.dasm - System.Reflection.Context.CollectionServices:CompareArrays[double](double[],double[]):ubyte (FullOpts)
         -88 (-45.13 % of base) : System.ComponentModel.Composition.dasm - Microsoft.Internal.Collections.CollectionServices:IsArrayEqual[System.Numerics.Vector`1[float]](System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float][]):ubyte (FullOpts)
         -88 (-45.13 % of base) : System.Reflection.Context.dasm - System.Reflection.Context.CollectionServices:CompareArrays[System.Numerics.Vector`1[float]](System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float][]):ubyte (FullOpts)
         -70 (-13.49 % of base) : System.Linq.Expressions.dasm - System.Linq.Expressions.ExpressionVisitor:Visit[double](System.Collections.ObjectModel.ReadOnlyCollection`1[double],System.Func`2[double,double]):System.Collections.ObjectModel.ReadOnlyCollection`1[double] (FullOpts)
         -69 (-51.11 % of base) : System.ComponentModel.Composition.dasm - Microsoft.Internal.Collections.CollectionServices:IsArrayEqual[long](long[],long[]):ubyte (FullOpts)
         -69 (-50.36 % of base) : System.ComponentModel.Composition.dasm - Microsoft.Internal.Collections.CollectionServices:IsArrayEqual[short](short[],short[]):ubyte (FullOpts)
         -69 (-51.11 % of base) : System.ComponentModel.Composition.dasm - Microsoft.Internal.Collections.CollectionServices:IsArrayEqual[ubyte](ubyte[],ubyte[]):ubyte (FullOpts)
         -69 (-13.48 % of base) : System.Linq.Expressions.dasm - System.Linq.Expressions.ExpressionVisitor:Visit[short](System.Collections.ObjectModel.ReadOnlyCollection`1[short],System.Func`2[short,short]):System.Collections.ObjectModel.ReadOnlyCollection`1[short] (FullOpts)
         -69 (-51.11 % of base) : System.Reflection.Context.dasm - System.Reflection.Context.CollectionServices:CompareArrays[long](long[],long[]):ubyte (FullOpts)
         -69 (-50.36 % of base) : System.Reflection.Context.dasm - System.Reflection.Context.CollectionServices:CompareArrays[short](short[],short[]):ubyte (FullOpts)
         -69 (-51.11 % of base) : System.Reflection.Context.dasm - System.Reflection.Context.CollectionServices:CompareArrays[ubyte](ubyte[],ubyte[]):ubyte (FullOpts)
         -68 (-51.13 % of base) : System.ComponentModel.Composition.dasm - Microsoft.Internal.Collections.CollectionServices:IsArrayEqual[int](int[],int[]):ubyte (FullOpts)
         -68 (-51.13 % of base) : System.Reflection.Context.dasm - System.Reflection.Context.CollectionServices:CompareArrays[int](int[],int[]):ubyte (FullOpts)
         -67 (-13.21 % of base) : System.Linq.Expressions.dasm - System.Linq.Expressions.ExpressionVisitor:Visit[int](System.Collections.ObjectModel.ReadOnlyCollection`1[int],System.Func`2[int,int]):System.Collections.ObjectModel.ReadOnlyCollection`1[int] (FullOpts)
         -67 (-13.06 % of base) : System.Linq.Expressions.dasm - System.Linq.Expressions.ExpressionVisitor:Visit[long](System.Collections.ObjectModel.ReadOnlyCollection`1[long],System.Func`2[long,long]):System.Collections.ObjectModel.ReadOnlyCollection`1[long] (FullOpts)
         -67 (-13.21 % of base) : System.Linq.Expressions.dasm - System.Linq.Expressions.ExpressionVisitor:Visit[ubyte](System.Collections.ObjectModel.ReadOnlyCollection`1[ubyte],System.Func`2[ubyte,ubyte]):System.Collections.ObjectModel.ReadOnlyCollection`1[ubyte] (FullOpts)
         -58 (-7.14 % of base) : System.Reflection.Context.dasm - System.Reflection.Context.Custom.CustomType:GetMethods(int):System.Reflection.MethodInfo[]:this (FullOpts)
         -47 (-17.03 % of base) : System.ComponentModel.Composition.dasm - Microsoft.Internal.Collections.CollectionServices:IsCollectionEqual[double](System.Collections.Generic.IList`1[double],System.Collections.Generic.IList`1[double]):ubyte (FullOpts)
         -45 (-20.18 % of base) : System.ComponentModel.Composition.dasm - Microsoft.Internal.Collections.CollectionServices:IsCollectionEqual[short](System.Collections.Generic.IList`1[short],System.Collections.Generic.IList`1[short]):ubyte (FullOpts)
         -44 (-19.91 % of base) : System.ComponentModel.Composition.dasm - Microsoft.Internal.Collections.CollectionServices:IsCollectionEqual[int](System.Collections.Generic.IList`1[int],System.Collections.Generic.IList`1[int]):ubyte (FullOpts)
         -44 (-19.91 % of base) : System.ComponentModel.Composition.dasm - Microsoft.Internal.Collections.CollectionServices:IsCollectionEqual[long](System.Collections.Generic.IList`1[long],System.Collections.Generic.IList`1[long]):ubyte (FullOpts)
         -44 (-19.91 % of base) : System.ComponentModel.Composition.dasm - Microsoft.Internal.Collections.CollectionServices:IsCollectionEqual[ubyte](System.Collections.Generic.IList`1[ubyte],System.Collections.Generic.IList`1[ubyte]):ubyte (FullOpts)
         -43 (-2.76 % of base) : System.ComponentModel.TypeConverter.dasm - System.ComponentModel.Design.RuntimeLicenseContext:GetSavedLicenseKey(System.Type,System.Reflection.Assembly):System.String:this (FullOpts)
         -32 (-5.14 % of base) : ILCompiler.Reflection.ReadyToRun.dasm - ILCompiler.Reflection.ReadyToRun.ReadyToRunReader:ParseComponentAssemblies():this (FullOpts)

Top method regressions (percentages):
          23 (9.20 % of base) : System.Formats.Nrbf.dasm - System.Formats.Nrbf.ArraySinglePrimitiveRecord`1[System.Numerics.Vector`1[float]]:DecodeFromNonSeekableStream(System.IO.BinaryReader,int):System.Collections.Generic.List`1[System.Numerics.Vector`1[float]] (FullOpts)
          16 (4.52 % of base) : System.Linq.Expressions.dasm - System.Linq.Expressions.Interpreter.LightCompiler:DefineBlockLabels(System.Linq.Expressions.Expression):this (FullOpts)
          29 (3.86 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.CryptographicAttributeObjectCollection:Add(System.Security.Cryptography.CryptographicAttributeObject):int:this (FullOpts)
          11 (1.77 % of base) : System.Linq.Expressions.dasm - System.Linq.Expressions.ExpressionVisitor:Visit[System.Numerics.Vector`1[float]](System.Collections.ObjectModel.ReadOnlyCollection`1[System.Numerics.Vector`1[float]],System.Func`2[System.Numerics.Vector`1[float],System.Numerics.Vector`1[float]]):System.Collections.ObjectModel.ReadOnlyCollection`1[System.Numerics.Vector`1[float]] (FullOpts)
          19 (1.64 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Pkcs.Rfc3161TimestampToken:CheckCertificate(System.Security.Cryptography.X509Certificates.X509Certificate2,System.Security.Cryptography.Pkcs.SignerInfo,byref,byref,System.Security.Cryptography.Pkcs.Rfc3161TimestampTokenInfo):ubyte (FullOpts)
          18 (1.43 % of base) : System.Security.Cryptography.Pkcs.dasm - System.Security.Cryptography.Pkcs.Rfc3161TimestampToken:TryGetCertIds(System.Security.Cryptography.Pkcs.SignerInfo,byref,byref):ubyte (FullOpts)

Top method improvements (percentages):
        -109 (-55.05 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ObjectEqualityComparer`1[int]:LastIndexOf(int[],int,int,int):int:this (FullOpts)
        -109 (-54.50 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ObjectEqualityComparer`1[long]:LastIndexOf(long[],long,int,int):int:this (FullOpts)
        -103 (-53.37 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ObjectEqualityComparer`1[int]:IndexOf(int[],int,int,int):int:this (FullOpts)
        -103 (-52.82 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ObjectEqualityComparer`1[long]:IndexOf(long[],long,int,int):int:this (FullOpts)
         -68 (-51.13 % of base) : System.ComponentModel.Composition.dasm - Microsoft.Internal.Collections.CollectionServices:IsArrayEqual[int](int[],int[]):ubyte (FullOpts)
         -68 (-51.13 % of base) : System.Reflection.Context.dasm - System.Reflection.Context.CollectionServices:CompareArrays[int](int[],int[]):ubyte (FullOpts)
         -69 (-51.11 % of base) : System.ComponentModel.Composition.dasm - Microsoft.Internal.Collections.CollectionServices:IsArrayEqual[long](long[],long[]):ubyte (FullOpts)
         -69 (-51.11 % of base) : System.ComponentModel.Composition.dasm - Microsoft.Internal.Collections.CollectionServices:IsArrayEqual[ubyte](ubyte[],ubyte[]):ubyte (FullOpts)
         -69 (-51.11 % of base) : System.Reflection.Context.dasm - System.Reflection.Context.CollectionServices:CompareArrays[long](long[],long[]):ubyte (FullOpts)
         -69 (-51.11 % of base) : System.Reflection.Context.dasm - System.Reflection.Context.CollectionServices:CompareArrays[ubyte](ubyte[],ubyte[]):ubyte (FullOpts)
        -177 (-51.01 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ObjectEqualityComparer`1[double]:LastIndexOf(double[],double,int,int):int:this (FullOpts)
         -69 (-50.36 % of base) : System.ComponentModel.Composition.dasm - Microsoft.Internal.Collections.CollectionServices:IsArrayEqual[short](short[],short[]):ubyte (FullOpts)
         -69 (-50.36 % of base) : System.Reflection.Context.dasm - System.Reflection.Context.CollectionServices:CompareArrays[short](short[],short[]):ubyte (FullOpts)
        -101 (-50.25 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ObjectEqualityComparer`1[ubyte]:LastIndexOf(ubyte[],ubyte,int,int):int:this (FullOpts)
         -97 (-49.49 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ObjectEqualityComparer`1[ubyte]:IndexOf(ubyte[],ubyte,int,int):int:this (FullOpts)
        -168 (-49.12 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ObjectEqualityComparer`1[double]:IndexOf(double[],double,int,int):int:this (FullOpts)
        -100 (-49.02 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ObjectEqualityComparer`1[short]:LastIndexOf(short[],short,int,int):int:this (FullOpts)
         -90 (-48.91 % of base) : System.ComponentModel.Composition.dasm - Microsoft.Internal.Collections.CollectionServices:IsArrayEqual[double](double[],double[]):ubyte (FullOpts)
         -90 (-48.91 % of base) : System.Reflection.Context.dasm - System.Reflection.Context.CollectionServices:CompareArrays[double](double[],double[]):ubyte (FullOpts)
         -97 (-48.74 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ObjectEqualityComparer`1[short]:IndexOf(short[],short,int,int):int:this (FullOpts)
         -88 (-45.13 % of base) : System.ComponentModel.Composition.dasm - Microsoft.Internal.Collections.CollectionServices:IsArrayEqual[System.Numerics.Vector`1[float]](System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float][]):ubyte (FullOpts)
         -88 (-45.13 % of base) : System.Reflection.Context.dasm - System.Reflection.Context.CollectionServices:CompareArrays[System.Numerics.Vector`1[float]](System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float][]):ubyte (FullOpts)
        -156 (-44.19 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ObjectEqualityComparer`1[System.Numerics.Vector`1[float]]:IndexOf(System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int:this (FullOpts)
        -155 (-43.30 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.ObjectEqualityComparer`1[System.Numerics.Vector`1[float]]:LastIndexOf(System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int:this (FullOpts)
         -45 (-20.18 % of base) : System.ComponentModel.Composition.dasm - Microsoft.Internal.Collections.CollectionServices:IsCollectionEqual[short](System.Collections.Generic.IList`1[short],System.Collections.Generic.IList`1[short]):ubyte (FullOpts)
         -44 (-19.91 % of base) : System.ComponentModel.Composition.dasm - Microsoft.Internal.Collections.CollectionServices:IsCollectionEqual[int](System.Collections.Generic.IList`1[int],System.Collections.Generic.IList`1[int]):ubyte (FullOpts)
         -44 (-19.91 % of base) : System.ComponentModel.Composition.dasm - Microsoft.Internal.Collections.CollectionServices:IsCollectionEqual[long](System.Collections.Generic.IList`1[long],System.Collections.Generic.IList`1[long]):ubyte (FullOpts)
         -44 (-19.91 % of base) : System.ComponentModel.Composition.dasm - Microsoft.Internal.Collections.CollectionServices:IsCollectionEqual[ubyte](System.Collections.Generic.IList`1[ubyte],System.Collections.Generic.IList`1[ubyte]):ubyte (FullOpts)
         -47 (-17.03 % of base) : System.ComponentModel.Composition.dasm - Microsoft.Internal.Collections.CollectionServices:IsCollectionEqual[double](System.Collections.Generic.IList`1[double],System.Collections.Generic.IList`1[double]):ubyte (FullOpts)
         -70 (-13.49 % of base) : System.Linq.Expressions.dasm - System.Linq.Expressions.ExpressionVisitor:Visit[double](System.Collections.ObjectModel.ReadOnlyCollection`1[double],System.Func`2[double,double]):System.Collections.ObjectModel.ReadOnlyCollection`1[double] (FullOpts)
         -69 (-13.48 % of base) : System.Linq.Expressions.dasm - System.Linq.Expressions.ExpressionVisitor:Visit[short](System.Collections.ObjectModel.ReadOnlyCollection`1[short],System.Func`2[short,short]):System.Collections.ObjectModel.ReadOnlyCollection`1[short] (FullOpts)
         -67 (-13.21 % of base) : System.Linq.Expressions.dasm - System.Linq.Expressions.ExpressionVisitor:Visit[int](System.Collections.ObjectModel.ReadOnlyCollection`1[int],System.Func`2[int,int]):System.Collections.ObjectModel.ReadOnlyCollection`1[int] (FullOpts)
         -67 (-13.21 % of base) : System.Linq.Expressions.dasm - System.Linq.Expressions.ExpressionVisitor:Visit[ubyte](System.Collections.ObjectModel.ReadOnlyCollection`1[ubyte],System.Func`2[ubyte,ubyte]):System.Collections.ObjectModel.ReadOnlyCollection`1[ubyte] (FullOpts)
         -67 (-13.06 % of base) : System.Linq.Expressions.dasm - System.Linq.Expressions.ExpressionVisitor:Visit[long](System.Collections.ObjectModel.ReadOnlyCollection`1[long],System.Func`2[long,long]):System.Collections.ObjectModel.ReadOnlyCollection`1[long] (FullOpts)
         -58 (-7.14 % of base) : System.Reflection.Context.dasm - System.Reflection.Context.Custom.CustomType:GetMethods(int):System.Reflection.MethodInfo[]:this (FullOpts)
         -32 (-5.14 % of base) : ILCompiler.Reflection.ReadyToRun.dasm - ILCompiler.Reflection.ReadyToRun.ReadyToRunReader:ParseComponentAssemblies():this (FullOpts)
        -117 (-5.08 % of base) : System.Reflection.Context.dasm - System.Reflection.Context.Custom.CustomType:GetMethodImpl(System.String,int,System.Reflection.Binder,int,System.Type[],System.Reflection.ParameterModifier[]):System.Reflection.MethodInfo:this (FullOpts)
        -113 (-4.80 % of base) : System.Reflection.MetadataLoadContext.dasm - System.Reflection.TypeLoading.Ecma.EcmaDefaultValueProcessing:TryFindRawDefaultValueFromCustomAttributes(System.Reflection.Metadata.CustomAttributeHandleCollection,System.Reflection.TypeLoading.Ecma.EcmaModule,byref):ubyte (FullOpts)
         -43 (-2.76 % of base) : System.ComponentModel.TypeConverter.dasm - System.ComponentModel.Design.RuntimeLicenseContext:GetSavedLicenseKey(System.Type,System.Reflection.Assembly):System.String:this (FullOpts)

45 total methods with Code Size differences (39 improved, 6 regressed), 231946 unchanged.

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

Artifacts:

• build-artifacts-main.zip (645 MB)
• build-clr-checked-main.zip (88 MB)
• build-artifacts-pr.zip (646 MB)
• build-clr-checked-pr.zip (88 MB)
• diff-frameworks.txt (20 KB)
• jit-diffs-frameworks.zip (266 MB)

[MihuBot]

Top method regressions

29 (3.86 % of base) - System.Security.Cryptography.CryptographicAttributeObjectCollection:Add(System.Security.Cryptography.CryptographicAttributeObject):int:this

 ; Assembly listing for method System.Security.Cryptography.CryptographicAttributeObjectCollection:Add(System.Security.Cryptography.CryptographicAttributeObject):int:this (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX512 - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 19 single block inlinees; 6 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 this         [V00,T07] (  6, 11.50)     ref  ->  rbx         this class-hnd single-def <System.Security.Cryptography.CryptographicAttributeObjectCollection>
-;  V01 arg1         [V01,T17] (  8,  9.50)     ref  ->  r15         class-hnd single-def <System.Security.Cryptography.CryptographicAttributeObject>
-;  V02 loc0         [V02,T21] (  6,  6.75)     ref  ->  r14         class-hnd exact single-def <System.String>
-;  V03 loc1         [V03,T29] (  2,  1   )     int  ->  rbx        
-;  V04 loc2         [V04,T06] (  4, 14   )     ref  ->  r12         class-hnd exact <System.Security.Cryptography.CryptographicAttributeObject>
+;  V00 this         [V00,T09] (  6, 11.50)     ref  ->  rbx         this class-hnd single-def <System.Security.Cryptography.CryptographicAttributeObjectCollection>
+;  V01 arg1         [V01,T13] (  8,  9.50)     ref  ->  r15         class-hnd single-def <System.Security.Cryptography.CryptographicAttributeObject>
+;  V02 loc0         [V02,T16] (  6,  6.75)     ref  ->  r14         class-hnd exact single-def <System.String>
+;  V03 loc1         [V03,T23] (  2,  1   )     int  ->  rbx        
+;  V04 loc2         [V04,T08] (  4, 14   )     ref  ->  r12         class-hnd exact <System.Security.Cryptography.CryptographicAttributeObject>
 ;* V05 loc3         [V05    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact <System.String>
-;  V06 loc4         [V06,T08] (  4, 12.50)     ref  ->  r14         class-hnd exact <System.Security.Cryptography.AsnEncodedDataEnumerator>
-;  V07 loc5         [V07,T18] (  4,  8   )     ref  ->  rdx         class-hnd <System.Security.Cryptography.AsnEncodedData>
+;* V06 loc4         [V06,T30] (  0,  0   )    long  ->  zero-ref    class-hnd exact <System.Security.Cryptography.AsnEncodedDataEnumerator>
+;  V07 loc5         [V07,T14] (  4,  8   )     ref  ->  rdx         class-hnd <System.Security.Cryptography.AsnEncodedData>
 ;# V08 OutArgs      [V08    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;* V09 tmp1         [V09    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "impAppendStmt" <System.Security.Cryptography.AsnEncodedDataCollection>
 ;* V10 tmp2         [V10    ] (  0,  0   )     ref  ->  zero-ref    "spilling varStr"
-;  V11 tmp3         [V11,T30] (  2,  2   )     int  ->  rdi         "spilling unroll qmark"
-;  V12 tmp4         [V12,T37] (  3,  0   )     ref  ->  rbx         class-hnd exact "NewObj constructor temp" <System.Security.Cryptography.CryptographicException>
-;  V13 tmp5         [V13,T38] (  3,  0   )     ref  ->  rbx         class-hnd exact "NewObj constructor temp" <System.InvalidOperationException>
-;  V14 tmp6         [V14,T31] (  2,  2   )     int  ->  r13         "impAppendStmt"
-;  V15 tmp7         [V15,T39] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.ArgumentNullException>
+;  V11 tmp3         [V11,T24] (  2,  2   )     int  ->  rdi         "spilling unroll qmark"
+;  V12 tmp4         [V12,T32] (  3,  0   )     ref  ->  rbx         class-hnd exact "NewObj constructor temp" <System.Security.Cryptography.CryptographicException>
+;  V13 tmp5         [V13,T33] (  3,  0   )     ref  ->  rbx         class-hnd exact "NewObj constructor temp" <System.InvalidOperationException>
+;  V14 tmp6         [V14,T25] (  2,  2   )     int  ->  r13         "impAppendStmt"
+;  V15 tmp7         [V15,T34] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.ArgumentNullException>
 ;* V16 tmp8         [V16    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Security.Cryptography.Oid>
 ;  V17 tmp9         [V17,T03] (  3, 24   )     ref  ->  rdi         class-hnd "Inlining Arg" <System.Collections.Generic.List`1[System.Security.Cryptography.CryptographicAttributeObject]>
 ;* V18 tmp10        [V18    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Security.Cryptography.Oid>
-;  V19 tmp11        [V19,T27] (  3,  3   )     ref  ->  r15         class-hnd exact "Inlining Arg" <System.Security.Cryptography.AsnEncodedDataCollection>
-;  V20 tmp12        [V20,T25] (  4,  4   )     ref  ->  r14         class-hnd exact "NewObj constructor temp" <System.Security.Cryptography.AsnEncodedDataEnumerator>
-;* V21 tmp13        [V21,T20] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Security.Cryptography.AsnEncodedDataCollection>
-;  V22 tmp14        [V22,T02] (  4, 24   )     int  ->  rdi         "Inlining Arg"
-;  V23 tmp15        [V23,T16] (  2, 12   )     ref  ->  rsi         class-hnd "Inlining Arg" <System.Collections.Generic.List`1[System.Security.Cryptography.AsnEncodedData]>
-;  V24 tmp16        [V24,T09] (  3, 12   )     ref  ->  rdi         class-hnd exact "Inlining Arg" <System.Security.Cryptography.AsnEncodedDataCollection>
+;  V19 tmp11        [V19,T21] (  3,  3   )     ref  ->  rdi         class-hnd exact "Inlining Arg" <System.Security.Cryptography.AsnEncodedDataCollection>
+;* V20 tmp12        [V20    ] (  0,  0   )    long  ->  zero-ref    class-hnd exact "NewObj constructor temp" <System.Security.Cryptography.AsnEncodedDataEnumerator>
+;  V21 tmp13        [V21,T06] (  2, 16   )     ref  ->  rdi         class-hnd exact "Inlining Arg" <System.Security.Cryptography.AsnEncodedDataCollection>
+;  V22 tmp14        [V22,T02] (  4, 24   )     int  ->  rsi         "Inlining Arg"
+;  V23 tmp15        [V23,T05] (  3, 20   )     ref  ->  rdi         class-hnd "Inlining Arg" <System.Collections.Generic.List`1[System.Security.Cryptography.AsnEncodedData]>
+;  V24 tmp16        [V24,T10] (  3, 12   )     ref  ->  rdi         class-hnd exact "Inlining Arg" <System.Security.Cryptography.AsnEncodedDataCollection>
 ;* V25 tmp17        [V25    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
 ;* V26 tmp18        [V26    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.Collections.Generic.List`1[System.Security.Cryptography.AsnEncodedData]>
 ;  V27 tmp19        [V27,T01] (  6, 24   )     ref  ->  rdi         class-hnd "Inlining Arg" <System.Collections.Generic.List`1[System.Security.Cryptography.AsnEncodedData]>
-;  V28 tmp20        [V28,T23] (  3,  6   )     ref  ->  rcx         class-hnd "Inline stloc first use temp" <System.Security.Cryptography.AsnEncodedData[]>
-;  V29 tmp21        [V29,T19] (  4,  8   )     int  ->  rax         "Inline stloc first use temp"
+;  V28 tmp20        [V28,T18] (  3,  6   )     ref  ->  rcx         class-hnd "Inline stloc first use temp" <System.Security.Cryptography.AsnEncodedData[]>
+;  V29 tmp21        [V29,T15] (  4,  8   )     int  ->  rax         "Inline stloc first use temp"
 ;* V30 tmp22        [V30    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V31 tmp23        [V31    ] (  0,  0   )     int  ->  zero-ref    "impAppendStmt"
 ;* V32 tmp24        [V32    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Security.Cryptography.AsnEncodedDataCollection>
 ;* V33 tmp25        [V33    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.Collections.Generic.List`1[System.Security.Cryptography.AsnEncodedData]>
 ;* V34 tmp26        [V34    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.Collections.Generic.List`1[System.Security.Cryptography.CryptographicAttributeObject]>
 ;* V35 tmp27        [V35    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg" <System.Collections.Generic.List`1[System.Security.Cryptography.CryptographicAttributeObject]>
-;  V36 tmp28        [V36,T22] (  6,  6   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Collections.Generic.List`1[System.Security.Cryptography.CryptographicAttributeObject]>
-;  V37 tmp29        [V37,T32] (  3,  1.50)     ref  ->  r14         class-hnd single-def "Inline stloc first use temp" <System.Security.Cryptography.CryptographicAttributeObject[]>
-;  V38 tmp30        [V38,T28] (  4,  2   )     int  ->  rax         single-def "Inline stloc first use temp"
-;  V39 tmp31        [V39,T04] (  3, 24   )     ref  ->  rdi         "arr expr"
-;  V40 tmp32        [V40,T05] (  2, 16   )     ref  ->  rsi         "argument with side effect"
-;  V41 tmp33        [V41,T40] (  2,  0   )     ref  ->  rsi         "argument with side effect"
-;  V42 tmp34        [V42,T41] (  2,  0   )     ref  ->  rsi         "argument with side effect"
-;  V43 tmp35        [V43,T10] (  3, 12   )     ref  ->  rsi         "arr expr"
-;  V44 tmp36        [V44,T42] (  2,  0   )     ref  ->  rsi         single-def "argument with side effect"
-;  V45 cse0         [V45,T13] (  3, 12   )     int  ->  rax         "CSE #10: moderate"
-;  V46 cse1         [V46,T11] (  3, 12   )     ref  ->  rsi         "CSE #09: moderate"
-;  V47 cse2         [V47,T26] (  2,  4   )     int  ->  rax         "CSE #05: moderate"
-;  V48 cse3         [V48,T34] (  3,  1.50)     int  ->  rax         "CSE #02: moderate"
-;  V49 cse4         [V49,T14] (  3, 12   )     int  ->  rdi         "CSE #08: moderate"
-;  V50 cse5         [V50,T35] (  2,  1   )     int  ->  rsi         "CSE #03: moderate"
-;  V51 cse6         [V51,T15] (  3, 12   )     int  ->  rdi         "CSE #06: moderate"
-;  V52 cse7         [V52,T12] (  2,  8   )     ref  ->  rsi         "CSE #07: moderate"
-;  V53 cse8         [V53,T24] (  3,  6   )     ref  ->  rdi         "CSE #04: moderate"
-;  V54 cse9         [V54,T33] (  3,  1.50)     ref  ->  rdi         "CSE #01: moderate"
-;  V55 rat0         [V55,T00] (  8, 25.50)    long  ->  r13         "Widened IV V03"
-;  V56 rat1         [V56,T36] (  3,  3   )  simd32  ->  mm0         "ReplaceWithLclVar is creating a new local variable"
+;  V36 tmp28        [V36,T17] (  6,  6   )     ref  ->  rdi         class-hnd single-def "Inlining Arg" <System.Collections.Generic.List`1[System.Security.Cryptography.CryptographicAttributeObject]>
+;  V37 tmp29        [V37,T26] (  3,  1.50)     ref  ->  r14         class-hnd single-def "Inline stloc first use temp" <System.Security.Cryptography.CryptographicAttributeObject[]>
+;  V38 tmp30        [V38,T22] (  4,  2   )     int  ->  rax         single-def "Inline stloc first use temp"
+;  V39 tmp31        [V39    ] (  9, 22   )  struct (24) [rbp-0x40]  do-not-enreg[XSF] must-init addr-exposed "stack allocated ref class temp" <System.Security.Cryptography.AsnEncodedDataEnumerator>
+;  V40 tmp32        [V40,T04] (  3, 24   )     ref  ->  rdi         "arr expr"
+;  V41 tmp33        [V41,T07] (  2, 16   )     ref  ->  rsi         "argument with side effect"
+;  V42 tmp34        [V42,T35] (  2,  0   )     ref  ->  rsi         "argument with side effect"
+;  V43 tmp35        [V43,T36] (  2,  0   )     ref  ->  rsi         "argument with side effect"
+;  V44 tmp36        [V44,T11] (  3, 12   )     ref  ->  rdi         "arr expr"
+;  V45 tmp37        [V45,T37] (  2,  0   )     ref  ->  rsi         single-def "argument with side effect"
+;  V46 cse0         [V46,T20] (  2,  4   )     int  ->  rax         "CSE #05: moderate"
+;  V47 cse1         [V47,T28] (  3,  1.50)     int  ->  rax         "CSE #02: moderate"
+;  V48 cse2         [V48,T29] (  2,  1   )     int  ->  rsi         "CSE #03: moderate"
+;  V49 cse3         [V49,T12] (  3, 12   )     int  ->  rdi         "CSE #06: moderate"
+;  V50 cse4         [V50,T19] (  3,  6   )     ref  ->  rdi         "CSE #04: moderate"
+;  V51 cse5         [V51,T27] (  3,  1.50)     ref  ->  rdi         "CSE #01: moderate"
+;  V52 rat0         [V52,T00] (  8, 25.50)    long  ->  r13         "Widened IV V03"
+;  V53 rat1         [V53,T31] (  3,  3   )  simd32  ->  mm0         "ReplaceWithLclVar is creating a new local variable"
 ;
-; Lcl frame size = 8
+; Lcl frame size = 24
 
 G_M1123_IG01:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
-       push     rax
-       lea      rbp, [rsp+0x30]
+       sub      rsp, 24
+       lea      rbp, [rsp+0x40]
+       vxorps   xmm8, xmm8, xmm8
+       vmovdqa  xmmword ptr [rbp-0x40], xmm8
+       xor      eax, eax
+       mov      qword ptr [rbp-0x30], rax
        mov      rbx, rdi
        mov      r15, rsi
-						;; size=22 bbWeight=1 PerfScore 8.00
+						;; size=41 bbWeight=1 PerfScore 10.83
 G_M1123_IG02:
        test     r15, r15
        je       G_M1123_IG21
        mov      rdi, gword ptr [r15+0x10]
        mov      rax, 0xD1FFAB1E      ; code for Internal.Cryptography.PkcsHelpers:CopyOid(System.Security.Cryptography.Oid):System.Security.Cryptography.Oid
        call     [rax]Internal.Cryptography.PkcsHelpers:CopyOid(System.Security.Cryptography.Oid):System.Security.Cryptography.Oid
        mov      r14, gword ptr [rax+0x08]
        xor      r13d, r13d
        mov      rdi, gword ptr [rbx+0x08]
        cmp      dword ptr [rdi+0x10], 0
        jle      SHORT G_M1123_IG04
 						;; size=42 bbWeight=1 PerfScore 14.75
 G_M1123_IG03:
        mov      rdi, gword ptr [rbx+0x08]
        cmp      r13d, dword ptr [rdi+0x10]
        jae      G_M1123_IG20
        mov      rdi, gword ptr [rdi+0x08]
        cmp      r13d, dword ptr [rdi+0x08]
        jae      G_M1123_IG22
        mov      r12, gword ptr [rdi+8*r13+0x10]
        mov      rdi, gword ptr [r12+0x08]
        cmp      rdi, gword ptr [r15+0x08]
        je       G_M1123_IG19
        mov      rdi, gword ptr [r12+0x10]
        mov      rax, 0xD1FFAB1E      ; code for Internal.Cryptography.PkcsHelpers:CopyOid(System.Security.Cryptography.Oid):System.Security.Cryptography.Oid
        call     [rax]Internal.Cryptography.PkcsHelpers:CopyOid(System.Security.Cryptography.Oid):System.Security.Cryptography.Oid
        mov      rsi, gword ptr [rax+0x08]
        mov      rdi, r14
        mov      edx, 5
        mov      rax, 0xD1FFAB1E      ; code for System.String:Equals(System.String,System.String,int):ubyte
        call     [rax]System.String:Equals(System.String,System.String,int):ubyte
        test     eax, eax
        jne      SHORT G_M1123_IG08
        inc      r13d
        mov      rdi, gword ptr [rbx+0x08]
        cmp      r13d, dword ptr [rdi+0x10]
        jl       SHORT G_M1123_IG03
 						;; size=106 bbWeight=4 PerfScore 154.00
 G_M1123_IG04:
        mov      rdi, gword ptr [rbx+0x08]
        mov      eax, dword ptr [rdi+0x10]
        mov      r13d, eax
        inc      dword ptr [rdi+0x14]
        mov      r14, gword ptr [rdi+0x08]
        mov      esi, dword ptr [r14+0x08]
        cmp      esi, eax
        ja       SHORT G_M1123_IG05
        mov      rsi, r15
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.List`1[System.__Canon]:AddWithResize(System.__Canon):this
        call     [rax]System.Collections.Generic.List`1[System.__Canon]:AddWithResize(System.__Canon):this
        jmp      SHORT G_M1123_IG06
 						;; size=42 bbWeight=0.50 PerfScore 9.00
 G_M1123_IG05:
        lea      esi, [rax+0x01]
        mov      dword ptr [rdi+0x10], esi
        mov      edi, eax
        lea      rdi, bword ptr [r14+8*rdi+0x10]
        mov      rsi, r15
        call     CORINFO_HELP_ASSIGN_REF
 						;; size=21 bbWeight=0.50 PerfScore 2.00
 G_M1123_IG06:
        mov      eax, r13d
 						;; size=3 bbWeight=0.50 PerfScore 0.12
 G_M1123_IG07:
        vzeroupper 
-       add      rsp, 8
+       add      rsp, 24
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=18 bbWeight=0.50 PerfScore 2.62
 G_M1123_IG08:
        mov      ebx, r13d
        test     r14, r14
        je       SHORT G_M1123_IG11
 						;; size=8 bbWeight=0.50 PerfScore 0.75
 G_M1123_IG09:
        cmp      dword ptr [r14+0x08], 20
        jne      SHORT G_M1123_IG11
 						;; size=7 bbWeight=0.25 PerfScore 1.00
 G_M1123_IG10:
        vmovups  ymm0, ymmword ptr [r14+0x0C]
        vmovups  ymm1, ymmword ptr [r14+0x14]
        vpxor    ymm1, ymm1, ymmword ptr [reloc @RWD00]
        vpternlogq ymm0, ymm1, ymmword ptr [reloc @RWD32], -34
        vptest   ymm0, ymm0
        sete     dil
        movzx    rdi, dil
        test     edi, edi
        jne      G_M1123_IG18
 						;; size=52 bbWeight=0.50 PerfScore 10.75
 G_M1123_IG11:
-       mov      r15, gword ptr [r15+0x08]
-       cmp      byte  ptr [r15], r15b
-       mov      rdi, 0xD1FFAB1E      ; System.Security.Cryptography.AsnEncodedDataEnumerator
-       call     CORINFO_HELP_NEWSFAST
-       mov      r14, rax
-       lea      rdi, bword ptr [r14+0x08]
-       mov      rsi, r15
-       call     CORINFO_HELP_ASSIGN_REF
-       mov      dword ptr [r14+0x10], -1
+       mov      rdi, gword ptr [r15+0x08]
+       cmp      byte  ptr [rdi], dil
+       vxorps   xmm0, xmm0, xmm0
+       vmovdqu  xmmword ptr [rbp-0x40], xmm0
+       vmovdqu  xmmword ptr [rbp-0x3C], xmm0
+       mov      rsi, 0xD1FFAB1E      ; System.Security.Cryptography.AsnEncodedDataEnumerator
+       mov      qword ptr [rbp-0x40], rsi
+       mov      gword ptr [rbp-0x38], rdi
+       mov      dword ptr [rbp-0x30], -1
        jmp      SHORT G_M1123_IG13
-						;; size=47 bbWeight=0.50 PerfScore 5.62
+						;; size=48 bbWeight=0.50 PerfScore 6.29
 G_M1123_IG12:
        mov      rsi, rdx
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.List`1[System.__Canon]:AddWithResize(System.__Canon):this
        call     [rax]System.Collections.Generic.List`1[System.__Canon]:AddWithResize(System.__Canon):this
 						;; size=15 bbWeight=2 PerfScore 7.00
 G_M1123_IG13:
-       mov      edi, dword ptr [r14+0x10]
-       mov      rsi, gword ptr [r14+0x08]
+       mov      edi, dword ptr [rbp-0x30]
+       mov      rsi, gword ptr [rbp-0x38]
        mov      rsi, gword ptr [rsi+0x08]
-       mov      eax, dword ptr [rsi+0x10]
-       lea      ecx, [rax-0x01]
-       cmp      edi, ecx
+       mov      esi, dword ptr [rsi+0x10]
+       dec      esi
+       cmp      edi, esi
        jge      SHORT G_M1123_IG15
        inc      edi
-       mov      dword ptr [r14+0x10], edi
-       cmp      edi, eax
+       mov      dword ptr [rbp-0x30], edi
+       mov      rdi, gword ptr [rbp-0x38]
+       mov      esi, dword ptr [rbp-0x30]
+       mov      rdi, gword ptr [rdi+0x08]
+       cmp      esi, dword ptr [rdi+0x10]
        jae      G_M1123_IG20
-						;; size=36 bbWeight=4 PerfScore 49.00
+						;; size=45 bbWeight=4 PerfScore 67.00
 G_M1123_IG14:
-       mov      rsi, gword ptr [rsi+0x08]
-       cmp      edi, dword ptr [rsi+0x08]
+       mov      rdi, gword ptr [rdi+0x08]
+       cmp      esi, dword ptr [rdi+0x08]
        jae      G_M1123_IG22
-       mov      edi, edi
-       mov      rdx, gword ptr [rsi+8*rdi+0x10]
+       mov      esi, esi
+       mov      rdx, gword ptr [rdi+8*rsi+0x10]
        mov      rdi, gword ptr [r12+0x08]
        cmp      byte  ptr [rdi], dil
        test     rdx, rdx
        je       SHORT G_M1123_IG17
        mov      rdi, gword ptr [rdi+0x08]
        mov      eax, dword ptr [rdi+0x10]
        inc      dword ptr [rdi+0x14]
        mov      rcx, gword ptr [rdi+0x08]
        cmp      dword ptr [rcx+0x08], eax
        jbe      SHORT G_M1123_IG12
        lea      esi, [rax+0x01]
        mov      dword ptr [rdi+0x10], esi
        movsxd   rsi, eax
        mov      rdi, rcx
        mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_ARRADDR_ST
        call     [rax]CORINFO_HELP_ARRADDR_ST
        jmp      SHORT G_M1123_IG13
 						;; size=78 bbWeight=2 PerfScore 69.50
 G_M1123_IG15:
        mov      eax, ebx
 						;; size=2 bbWeight=0.50 PerfScore 0.12
 G_M1123_IG16:
        vzeroupper 
-       add      rsp, 8
+       add      rsp, 24
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=18 bbWeight=0.50 PerfScore 2.62
 G_M1123_IG17:
        mov      edi, 0x430B
        mov      rsi, 0xD1FFAB1E
        call     CORINFO_HELP_STRCNS
        mov      rdi, rax
        mov      rax, 0xD1FFAB1E      ; code for System.ArgumentNullException:Throw(System.String)
        call     [rax]System.ArgumentNullException:Throw(System.String)
        int3     
 						;; size=36 bbWeight=0 PerfScore 0.00
 G_M1123_IG18:
        mov      rdi, 0xD1FFAB1E      ; System.Security.Cryptography.CryptographicException
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rax, 0xD1FFAB1E      ; code for System.SR:get_Cryptography_Pkcs9_MultipleSigningTimeNotAllowed():System.String
        call     [rax]System.SR:get_Cryptography_Pkcs9_MultipleSigningTimeNotAllowed():System.String
        mov      rsi, rax
        mov      rdi, rbx
        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, rbx
        call     CORINFO_HELP_THROW
        int3     
 						;; size=57 bbWeight=0 PerfScore 0.00
 G_M1123_IG19:
        mov      rdi, 0xD1FFAB1E      ; System.InvalidOperationException
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rax, 0xD1FFAB1E      ; code for System.SR:get_InvalidOperation_DuplicateItemNotAllowed():System.String
        call     [rax]System.SR:get_InvalidOperation_DuplicateItemNotAllowed():System.String
        mov      rsi, rax
        mov      rdi, rbx
        mov      rax, 0xD1FFAB1E      ; code for System.InvalidOperationException:.ctor(System.String):this
        call     [rax]System.InvalidOperationException:.ctor(System.String):this
        mov      rdi, rbx
        call     CORINFO_HELP_THROW
        int3     
 						;; size=57 bbWeight=0 PerfScore 0.00
 G_M1123_IG20:
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentOutOfRange_IndexMustBeLessException()
        call     [rax]System.ThrowHelper:ThrowArgumentOutOfRange_IndexMustBeLessException()
        int3     
 						;; size=13 bbWeight=0 PerfScore 0.00
 G_M1123_IG21:
        mov      rdi, 0xD1FFAB1E      ; System.ArgumentNullException
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      edi, 0x1E5C
        mov      rsi, 0xD1FFAB1E
        call     CORINFO_HELP_STRCNS
        mov      rsi, rax
        mov      rdi, rbx
        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=65 bbWeight=0 PerfScore 0.00
 G_M1123_IG22:
        call     CORINFO_HELP_RNGCHKFAIL
        int3     
 						;; size=6 bbWeight=0 PerfScore 0.00
 RWD00  	dq	002E003000340038h, 0035003300310031h, 0031002E00390034h, 0035002E0039002Eh
 RWD32  	dq	002E0032002E0031h, 002E003000340038h, 0035003300310031h, 0031002E00390034h
 
 
-; Total bytes of code 751, prolog size 22, PerfScore 336.88, instruction count 191, allocated bytes for code 751 (MethodHash=599afb9c) for method System.Security.Cryptography.CryptographicAttributeObjectCollection:Add(System.Security.Cryptography.CryptographicAttributeObject):int:this (FullOpts)
+; Total bytes of code 780, prolog size 41, PerfScore 358.38, instruction count 198, allocated bytes for code 780 (MethodHash=599afb9c) for method System.Security.Cryptography.CryptographicAttributeObjectCollection:Add(System.Security.Cryptography.CryptographicAttributeObject):int:this (FullOpts)

23 (9.20 % of base) - System.Formats.Nrbf.ArraySinglePrimitiveRecord`1[System.Numerics.Vector`1[float]]:DecodeFromNonSeekableStream(System.IO.BinaryReader,int):System.Collections.Generic.List`1[System.Numerics.Vector`1[float]]

 ; Assembly listing for method System.Formats.Nrbf.ArraySinglePrimitiveRecord`1[System.Numerics.Vector`1[float]]:DecodeFromNonSeekableStream(System.IO.BinaryReader,int):System.Collections.Generic.List`1[System.Numerics.Vector`1[float]] (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX512 - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 1 single block inlinees; 2 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 arg0         [V00,T06] (  4,  6.25)     ref  ->  rbx         class-hnd single-def <System.IO.BinaryReader>
-;  V01 arg1         [V01,T09] (  6,  5.25)     int  ->  r15         single-def
-;  V02 loc0         [V02,T02] (  8, 22   )     ref  ->  r13         class-hnd exact single-def <System.Collections.Generic.List`1[System.Numerics.Vector`1[float]]>
-;* V03 loc1         [V03,T13] (  0,  0   )     int  ->  zero-ref   
+;  V00 arg0         [V00,T04] (  4,  6.25)     ref  ->  rbx         class-hnd single-def <System.IO.BinaryReader>
+;  V01 arg1         [V01,T07] (  6,  5.25)     int  ->  r15         single-def
+;  V02 loc0         [V02,T00] (  8, 22   )     ref  ->  r13         class-hnd exact single-def <System.Collections.Generic.List`1[System.Numerics.Vector`1[float]]>
+;* V03 loc1         [V03,T11] (  0,  0   )     int  ->  zero-ref   
 ;  V04 OutArgs      [V04    ] (  1,  1   )  struct (32) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
-;  V05 tmp1         [V05,T10] (  3,  6   )     ref  ->  r13         class-hnd exact single-def "NewObj constructor temp" <System.Collections.Generic.List`1[System.Numerics.Vector`1[float]]>
+;  V05 tmp1         [V05,T08] (  3,  6   )     ref  ->  r13         class-hnd exact single-def "NewObj constructor temp" <System.Collections.Generic.List`1[System.Numerics.Vector`1[float]]>
 ;* V06 tmp2         [V06    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.TimeSpan>
-;  V07 tmp3         [V07,T00] (  3, 24   )     ref  ->  rax         class-hnd exact "Single-def Box Helper" <System.TimeSpan>
-;  V08 tmp4         [V08,T01] (  3, 24   )     ref  ->  r12         "inline UNBOX clone1"
-;  V09 tmp5         [V09,T12] (  2,  2   )     int  ->  r14         "Inline return value spill temp"
+;* V07 tmp3         [V07    ] (  0,  0   )    long  ->  zero-ref    class-hnd exact "Single-def Box Helper" <System.TimeSpan>
+;* V08 tmp4         [V08    ] (  0,  0   )   byref  ->  zero-ref    "inline UNBOX clone1"
+;  V09 tmp5         [V09,T10] (  2,  2   )     int  ->  r14         "Inline return value spill temp"
 ;* V10 tmp6         [V10    ] (  0,  0   )    long  ->  zero-ref    "Inlining Arg"
-;  V11 tmp7         [V11,T05] (  3, 10   )     ref  ->  r12         class-hnd exact "Inline stloc first use temp" <System.Numerics.Vector`1[float][]>
-;  V12 tmp8         [V12,T04] (  4, 12   )     int  ->  rax         "Inline stloc first use temp"
-;  V13 tmp9         [V13,T14] (  3, 16   )  simd32  ->  mm0         "Inlining Arg" <System.Numerics.Vector`1[float]>
-;  V14 tmp10        [V14,T07] (  2,  8   )    long  ->  r12         "field V06._ticks (fldOffset=0x0)" P-INDEP
-;  V15 cse0         [V15,T11] (  2,  4.25)    long  ->  r14         hoist "CSE #02: moderate"
-;  V16 cse1         [V16,T08] (  2,  8   )     int  ->  rdi         "CSE #03: aggressive"
-;  V17 rat0         [V17,T03] (  4, 12.25)     int  ->  r15         "Trip count IV"
+;  V11 tmp7         [V11,T03] (  3, 10   )     ref  ->  r12         class-hnd exact "Inline stloc first use temp" <System.Numerics.Vector`1[float][]>
+;  V12 tmp8         [V12,T02] (  4, 12   )     int  ->  rax         "Inline stloc first use temp"
+;  V13 tmp9         [V13,T12] (  3, 16   )  simd32  ->  mm0         "Inlining Arg" <System.Numerics.Vector`1[float]>
+;  V14 tmp10        [V14    ] (  6, 21   )  struct (16) [rbp-0x38]  do-not-enreg[XSF] must-init addr-exposed "stack allocated boxed value class temp" <System.Runtime.CompilerServices.StackAllocatedBox`1[System.TimeSpan]>
+;  V15 tmp11        [V15,T05] (  2,  8   )    long  ->  rax         "field V06._ticks (fldOffset=0x0)" P-INDEP
+;  V16 cse0         [V16,T09] (  2,  4.25)    long  ->  r14         hoist "CSE #02: moderate"
+;  V17 cse1         [V17,T06] (  2,  8   )     int  ->  rdi         "CSE #05: aggressive"
+;  V18 rat0         [V18,T01] (  4, 12.25)     int  ->  r15         "Trip count IV"
 ;
-; Lcl frame size = 40
+; Lcl frame size = 56
 
 G_M51783_IG01:
        push     rbp
        push     r15
        push     r14
        push     r13
        push     r12
        push     rbx
-       sub      rsp, 40
-       lea      rbp, [rsp+0x50]
+       sub      rsp, 56
+       lea      rbp, [rsp+0x60]
+       xor      eax, eax
+       mov      qword ptr [rbp-0x38], rax
+       mov      qword ptr [rbp-0x30], rax
        mov      rbx, rdi
        mov      r15d, esi
-						;; size=25 bbWeight=1 PerfScore 7.25
+						;; size=35 bbWeight=1 PerfScore 9.50
 G_M51783_IG02:
        mov      edi, 4
        cmp      r15d, 4
        mov      r14d, edi
        cmovle   r14d, r15d
        mov      rdi, 0xD1FFAB1E      ; System.Collections.Generic.List`1[System.Numerics.Vector`1[float]]
        call     CORINFO_HELP_NEWSFAST
        mov      r13, rax
        mov      rdi, r13
        mov      esi, r14d
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.List`1[System.Numerics.Vector`1[float]]:.ctor(int):this
        call     [rax]System.Collections.Generic.List`1[System.Numerics.Vector`1[float]]:.ctor(int):this
        test     r15d, r15d
-       jle      G_M51783_IG08
+       jle      G_M51783_IG10
 						;; size=61 bbWeight=1 PerfScore 7.50
 G_M51783_IG03:
        mov      rdi, qword ptr [rbx]
        mov      r14, qword ptr [rdi+0x50]
 						;; size=7 bbWeight=0.25 PerfScore 1.00
 G_M51783_IG04:
        mov      rdi, rbx
        call     [r14+0x10]System.IO.BinaryReader:ReadInt64():long:this
-       mov      r12, rax
-       mov      rdi, 0xD1FFAB1E      ; System.TimeSpan
-       call     CORINFO_HELP_NEWSFAST
-       mov      qword ptr [rax+0x08], r12
-       mov      r12, rax
-       mov      rsi, r12
+       vxorps   xmm0, xmm0, xmm0
+       vmovups  xmmword ptr [rbp-0x38], xmm0
+       mov      rsi, 0xD1FFAB1E      ; System.TimeSpan
+       mov      qword ptr [rbp-0x38], rsi
+       mov      qword ptr [rbp-0x30], rax
+       mov      rsi, 0xD1FFAB1E      ; System.Numerics.Vector`1[float]
+       cmp      qword ptr [rbp-0x38], rsi
+       je       SHORT G_M51783_IG06
+						;; size=50 bbWeight=4 PerfScore 40.33
+G_M51783_IG05:
+       mov      rsi, qword ptr [rbp-0x38]
        mov      rdi, 0xD1FFAB1E      ; System.Numerics.Vector`1[float]
-       mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_UNBOX
-       call     [rax]CORINFO_HELP_UNBOX
-       vmovups  ymm0, ymmword ptr [r12+0x08]
+       call     CORINFO_HELP_UNBOX_TYPETEST
+						;; size=19 bbWeight=1 PerfScore 2.25
+G_M51783_IG06:
+       lea      rdi, bword ptr [rbp-0x30]
+       vmovups  ymm0, ymmword ptr [rdi]
        inc      dword ptr [r13+0x14]
        mov      r12, gword ptr [r13+0x08]
        mov      eax, dword ptr [r13+0x10]
        mov      edi, dword ptr [r12+0x08]
        cmp      edi, eax
-       ja       SHORT G_M51783_IG06
-						;; size=85 bbWeight=4 PerfScore 100.00
-G_M51783_IG05:
+       ja       SHORT G_M51783_IG08
+						;; size=29 bbWeight=4 PerfScore 63.00
+G_M51783_IG07:
        vmovups  ymmword ptr [rsp], ymm0
        mov      rdi, r13
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.List`1[System.Numerics.Vector`1[float]]:AddWithResize(System.Numerics.Vector`1[float]):this
        call     [rax]System.Collections.Generic.List`1[System.Numerics.Vector`1[float]]:AddWithResize(System.Numerics.Vector`1[float]):this
-       jmp      SHORT G_M51783_IG07
+       jmp      SHORT G_M51783_IG09
 						;; size=22 bbWeight=2 PerfScore 13.00
-G_M51783_IG06:
+G_M51783_IG08:
        lea      ecx, [rax+0x01]
        mov      dword ptr [r13+0x10], ecx
        mov      eax, eax
        shl      rax, 5
        vmovups  ymmword ptr [r12+rax+0x10], ymm0
 						;; size=20 bbWeight=2 PerfScore 8.50
-G_M51783_IG07:
+G_M51783_IG09:
        dec      r15d
        jne      G_M51783_IG04
 						;; size=9 bbWeight=4 PerfScore 5.00
-G_M51783_IG08:
+G_M51783_IG10:
        mov      rax, r13
 						;; size=3 bbWeight=1 PerfScore 0.25
-G_M51783_IG09:
+G_M51783_IG11:
        vzeroupper 
-       add      rsp, 40
+       add      rsp, 56
        pop      rbx
        pop      r12
        pop      r13
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=18 bbWeight=1 PerfScore 5.25
 
-; Total bytes of code 250, prolog size 19, PerfScore 147.75, instruction count 65, allocated bytes for code 250 (MethodHash=ff9635b8) for method System.Formats.Nrbf.ArraySinglePrimitiveRecord`1[System.Numerics.Vector`1[float]]:DecodeFromNonSeekableStream(System.IO.BinaryReader,int):System.Collections.Generic.List`1[System.Numerics.Vector`1[float]] (FullOpts)
+; Total bytes of code 273, prolog size 29, PerfScore 155.58, instruction count 71, allocated bytes for code 273 (MethodHash=ff9635b8) for method System.Formats.Nrbf.ArraySinglePrimitiveRecord`1[System.Numerics.Vector`1[float]]:DecodeFromNonSeekableStream(System.IO.BinaryReader,int):System.Collections.Generic.List`1[System.Numerics.Vector`1[float]] (FullOpts)

Larger list of diffs: https://gist.github.com/MihuBot/2d44f30c11cf7a178def2c8497de8e2a

[MihuBot]

Top method improvements

-177 (-51.01 % of base) - System.Collections.Generic.ObjectEqualityComparer`1[double]:LastIndexOf(double[],double,int,int):int:this

 ; Assembly listing for method System.Collections.Generic.ObjectEqualityComparer`1[double]:LastIndexOf(double[],double,int,int):int:this (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX512 - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 2 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.Collections.Generic.ObjectEqualityComparer`1[double]>
-;  V01 arg1         [V01,T02] (  7,  4.52)     ref  ->  rbx         class-hnd single-def <double[]>
-;  V02 arg2         [V02,T14] (  4,  4   )  double  ->  [rbp-0x30]  single-def
+;  V01 arg1         [V01,T02] (  7,  6.54)     ref  ->  rsi         class-hnd single-def <double[]>
+;  V02 arg2         [V02,T10] (  8, 10   )  double  ->  mm0         single-def
 ;  V03 arg3         [V03,T07] (  4,  4   )     int  ->  rdx         single-def
-;  V04 arg4         [V04,T09] (  3,  3   )     int  ->  rcx         single-def
-;  V05 loc0         [V05,T06] (  5,  6.25)     int  ->  r15        
+;  V04 arg4         [V04,T08] (  3,  3   )     int  ->  rcx         single-def
+;  V05 loc0         [V05,T06] (  5,  6.25)     int  ->  rdi        
 ;* V06 loc1         [V06    ] (  0,  0   )     int  ->  zero-ref   
-;  V07 loc2         [V07,T00] ( 14, 17.02)     int  ->  r14        
+;  V07 loc2         [V07,T00] ( 14, 19.04)     int  ->  rax        
 ;# V08 OutArgs      [V08    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;* V09 tmp1         [V09    ] (  0,  0   )  double  ->  zero-ref    "spilling side-effects"
-;  V10 tmp2         [V10,T01] (  6, 12   )     ref  ->  rax         class-hnd exact "Single-def Box Helper" <System.Double>
-;  V11 tmp3         [V11,T03] (  5,  8.04)   byref  ->  r13         "impImportAndPushBox"
-;  V12 tmp4         [V12,T10] (  4,  4   )   ubyte  ->  r12         "Inline return value spill temp"
-;  V13 tmp5         [V13,T05] (  4,  8   )     ref  ->  rax         class-hnd exact "Inlining Arg" <System.Double>
-;  V14 tmp6         [V14,T13] (  8,  8   )  double  ->  mm1         "Inline stloc first use temp"
-;  V15 tmp7         [V15,T04] (  8,  8   )   ubyte  ->  r12         "Inline return value spill temp"
-;  V16 tmp8         [V16,T12] (  6, 12   )  double  ->  mm2         "Inlining Arg"
-;  V17 cse0         [V17,T11] (  2,  0.04)   byref  ->  r13         "CSE #06: conservative"
-;  V18 cse1         [V18,T15] (  3,  5.94)  double  ->  mm2         "CSE #02: moderate"
-;  V19 cse2         [V19,T08] (  2,  3.96)    long  ->  r13         "CSE #01: aggressive"
+;* V10 tmp2         [V10    ] (  0,  0   )    long  ->  zero-ref    class-hnd exact "Single-def Box Helper" <System.Double>
+;  V11 tmp3         [V11,T01] (  5, 16.04)   byref  ->  rcx         "impImportAndPushBox"
+;  V12 tmp4         [V12,T05] (  4,  8   )   ubyte  ->  rdx         "Inline return value spill temp"
+;* V13 tmp5         [V13    ] (  0,  0   )    long  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Double>
+;* V14 tmp6         [V14    ] (  0,  0   )  double  ->  zero-ref    "Inline stloc first use temp"
+;  V15 tmp7         [V15,T04] (  8, 10   )   ubyte  ->  rdx         "Inline return value spill temp"
+;  V16 tmp8         [V16,T11] (  6, 12   )  double  ->  mm1         "Inlining Arg"
+;* V17 tmp9         [V17    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[SF] "stack allocated boxed value class temp" <System.Runtime.CompilerServices.StackAllocatedBox`1[double]>
+;* V18 tmp10        [V18    ] (  0,  0   )    long  ->  zero-ref    "V17.[000..008)"
+;* V19 tmp11        [V19    ] (  0,  0   )  double  ->  zero-ref    "V17.[008..016)"
+;  V20 cse0         [V20,T09] (  2,  0.08)   byref  ->  rcx         "CSE #05: conservative"
+;  V21 cse1         [V21,T12] (  3,  9.90)  double  ->  mm1         "CSE #02: aggressive"
+;  V22 cse2         [V22,T03] (  2,  7.92)    long  ->  rcx         "CSE #01: aggressive"
 ;
-; Lcl frame size = 8
+; Lcl frame size = 0
 
 G_M60214_IG01:
        push     rbp
-       push     r15
-       push     r14
-       push     r13
-       push     r12
-       push     rbx
-       push     rax
-       lea      rbp, [rsp+0x30]
-       vmovsd   qword ptr [rbp-0x30], xmm0
-       mov      rbx, rsi
-						;; size=24 bbWeight=1 PerfScore 8.75
+       mov      rbp, rsp
+						;; size=4 bbWeight=1 PerfScore 1.25
 G_M60214_IG02:
-       mov      r15d, edx
-       sub      r15d, ecx
-       inc      r15d
-       mov      r14d, edx
-       cmp      r14d, r15d
-       jl       G_M60214_IG10
-						;; size=21 bbWeight=1 PerfScore 2.25
+       mov      edi, edx
+       sub      edi, ecx
+       inc      edi
+       mov      eax, edx
+       cmp      eax, edi
+       jl       SHORT G_M60214_IG09
+						;; size=12 bbWeight=1 PerfScore 2.25
 G_M60214_IG03:
-       test     rbx, rbx
-       je       G_M60214_IG12
-       mov      edi, r14d
-       or       edi, r15d
-       jl       G_M60214_IG12
-       cmp      dword ptr [rbx+0x08], r14d
-       jle      G_M60214_IG12
-						;; size=31 bbWeight=0.25 PerfScore 1.69
+       test     rsi, rsi
+       je       SHORT G_M60214_IG11
+       mov      ecx, eax
+       or       ecx, edi
+       jl       SHORT G_M60214_IG11
+       cmp      dword ptr [rsi+0x08], eax
+       jle      SHORT G_M60214_IG11
+       align    [0 bytes for IG04]
+						;; size=16 bbWeight=0.25 PerfScore 1.69
 G_M60214_IG04:
-       mov      r13d, r14d
-       mov      rdi, 0xD1FFAB1E      ; System.Double
-       call     CORINFO_HELP_NEWSFAST
-       lea      r13, bword ptr [rbx+8*r13+0x10]
-       vmovsd   xmm0, qword ptr [rbp-0x30]
-       vmovsd   qword ptr [rax+0x08], xmm0
-       vmovsd   xmm1, qword ptr [rax+0x08]
-       vmovsd   xmm2, qword ptr [r13]
-       vucomisd xmm1, xmm2
+       mov      ecx, eax
+       lea      rcx, bword ptr [rsi+8*rcx+0x10]
+       vmovsd   xmm1, qword ptr [rcx]
+       vucomisd xmm0, xmm1
        jp       SHORT G_M60214_IG05
        je       SHORT G_M60214_IG07
-						;; size=52 bbWeight=1.98 PerfScore 38.61
+						;; size=19 bbWeight=3.96 PerfScore 36.63
 G_M60214_IG05:
-       vucomisd xmm1, xmm1
+       vucomisd xmm0, xmm0
        jp       SHORT G_M60214_IG06
        jne      SHORT G_M60214_IG06
-       xor      r12d, r12d
+       xor      edx, edx
        jmp      SHORT G_M60214_IG08
-						;; size=13 bbWeight=1.98 PerfScore 12.38
+						;; size=12 bbWeight=1.98 PerfScore 12.38
 G_M60214_IG06:
-       vucomisd xmm2, xmm2
-       setp     r12b
-       movzx    r12, r12b
+       vucomisd xmm1, xmm1
+       setp     dl
+       movzx    rdx, dl
        jmp      SHORT G_M60214_IG08
-						;; size=14 bbWeight=1.98 PerfScore 10.39
+						;; size=12 bbWeight=1.98 PerfScore 10.39
 G_M60214_IG07:
-       mov      r12d, 1
-						;; size=6 bbWeight=1.98 PerfScore 0.49
+       mov      edx, 1
+						;; size=5 bbWeight=1.98 PerfScore 0.49
 G_M60214_IG08:
-       test     r12d, r12d
-       jne      G_M60214_IG18
-						;; size=9 bbWeight=1.98 PerfScore 2.48
-G_M60214_IG09:
-       dec      r14d
-       cmp      r14d, r15d
-       vmovsd   qword ptr [rbp-0x30], xmm0
+       test     edx, edx
+       jne      SHORT G_M60214_IG16
+       dec      eax
+       cmp      eax, edi
        jge      SHORT G_M60214_IG04
-						;; size=13 bbWeight=3.96 PerfScore 9.90
-G_M60214_IG10:
+						;; size=10 bbWeight=3.96 PerfScore 10.89
+G_M60214_IG09:
        mov      eax, -1
 						;; size=5 bbWeight=0.50 PerfScore 0.12
-G_M60214_IG11:
-       add      rsp, 8
-       pop      rbx
-       pop      r12
-       pop      r13
-       pop      r14
-       pop      r15
+G_M60214_IG10:
        pop      rbp
        ret      
-						;; size=15 bbWeight=0.50 PerfScore 2.12
+						;; size=2 bbWeight=0.50 PerfScore 0.75
+G_M60214_IG11:
+       cmp      eax, dword ptr [rsi+0x08]
+       jae      SHORT G_M60214_IG17
+       mov      ecx, eax
+       lea      rcx, bword ptr [rsi+8*rcx+0x10]
+       vucomisd xmm0, qword ptr [rcx]
+       jp       SHORT G_M60214_IG12
+       je       SHORT G_M60214_IG14
+						;; size=20 bbWeight=0.04 PerfScore 0.49
 G_M60214_IG12:
-       cmp      r14d, dword ptr [rbx+0x08]
-       jae      G_M60214_IG20
-       mov      edi, r14d
-       lea      r13, bword ptr [rbx+8*rdi+0x10]
-       mov      rdi, 0xD1FFAB1E      ; System.Double
-       call     CORINFO_HELP_NEWSFAST
-       vmovsd   xmm0, qword ptr [rbp-0x30]
-       vmovsd   qword ptr [rax+0x08], xmm0
-       vmovsd   xmm1, qword ptr [rax+0x08]
-       vucomisd xmm1, qword ptr [r13]
+       vucomisd xmm0, xmm0
        jp       SHORT G_M60214_IG13
-       je       SHORT G_M60214_IG15
-						;; size=58 bbWeight=0.02 PerfScore 0.45
+       jne      SHORT G_M60214_IG13
+       xor      edx, edx
+       jmp      SHORT G_M60214_IG15
+						;; size=12 bbWeight=0.02 PerfScore 0.13
 G_M60214_IG13:
+       vmovsd   xmm1, qword ptr [rcx]
        vucomisd xmm1, xmm1
-       jp       SHORT G_M60214_IG14
-       jne      SHORT G_M60214_IG14
-       xor      r12d, r12d
-       jmp      SHORT G_M60214_IG16
-						;; size=13 bbWeight=0.02 PerfScore 0.13
+       setp     dl
+       movzx    rdx, dl
+       jmp      SHORT G_M60214_IG15
+						;; size=16 bbWeight=0.02 PerfScore 0.19
 G_M60214_IG14:
-       vmovsd   xmm2, qword ptr [r13]
-       vucomisd xmm2, xmm2
-       setp     r12b
-       movzx    r12, r12b
-       jmp      SHORT G_M60214_IG16
-						;; size=20 bbWeight=0.02 PerfScore 0.19
+       mov      edx, 1
+						;; size=5 bbWeight=0.02 PerfScore 0.01
 G_M60214_IG15:
-       mov      r12d, 1
-						;; size=6 bbWeight=0.02 PerfScore 0.01
+       test     edx, edx
+       jne      SHORT G_M60214_IG16
+       dec      eax
+       cmp      eax, edi
+       jge      SHORT G_M60214_IG11
+       jmp      SHORT G_M60214_IG09
+						;; size=12 bbWeight=0.04 PerfScore 0.19
 G_M60214_IG16:
-       test     r12d, r12d
-       jne      SHORT G_M60214_IG18
-						;; size=5 bbWeight=0.02 PerfScore 0.03
-G_M60214_IG17:
-       dec      r14d
-       cmp      r14d, r15d
-       vmovsd   qword ptr [rbp-0x30], xmm0
-       jge      SHORT G_M60214_IG12
-       jmp      G_M60214_IG10
-						;; size=18 bbWeight=0.04 PerfScore 0.18
-G_M60214_IG18:
-       mov      eax, r14d
-						;; size=3 bbWeight=0.50 PerfScore 0.12
-G_M60214_IG19:
-       add      rsp, 8
-       pop      rbx
-       pop      r12
-       pop      r13
-       pop      r14
-       pop      r15
        pop      rbp
        ret      
-						;; size=15 bbWeight=0.50 PerfScore 2.12
-G_M60214_IG20:
+						;; size=2 bbWeight=0.50 PerfScore 0.75
+G_M60214_IG17:
        call     CORINFO_HELP_RNGCHKFAIL
        int3     
 						;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 347, prolog size 24, PerfScore 92.41, instruction count 100, allocated bytes for code 347 (MethodHash=45c414c9) for method System.Collections.Generic.ObjectEqualityComparer`1[double]:LastIndexOf(double[],double,int,int):int:this (FullOpts)
+; Total bytes of code 170, prolog size 4, PerfScore 78.59, instruction count 68, allocated bytes for code 170 (MethodHash=45c414c9) for method System.Collections.Generic.ObjectEqualityComparer`1[double]:LastIndexOf(double[],double,int,int):int:this (FullOpts)

-168 (-49.12 % of base) - System.Collections.Generic.ObjectEqualityComparer`1[double]:IndexOf(double[],double,int,int):int:this

 ; Assembly listing for method System.Collections.Generic.ObjectEqualityComparer`1[double]:IndexOf(double[],double,int,int):int:this (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX512 - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 2 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.Collections.Generic.ObjectEqualityComparer`1[double]>
-;  V01 arg1         [V01,T02] (  7,  4.52)     ref  ->  rbx         class-hnd single-def <double[]>
-;  V02 arg2         [V02,T14] (  4,  4   )  double  ->  [rbp-0x30]  single-def
+;  V01 arg1         [V01,T02] (  7,  6.54)     ref  ->  rsi         class-hnd single-def <double[]>
+;  V02 arg2         [V02,T10] (  8, 10   )  double  ->  mm0         single-def
 ;  V03 arg3         [V03,T07] (  4,  4   )     int  ->  rdx         single-def
-;  V04 arg4         [V04,T09] (  3,  3   )     int  ->  rcx         single-def
-;  V05 loc0         [V05,T06] (  6,  6.50)     int  ->  r15        
+;  V04 arg4         [V04,T08] (  3,  3   )     int  ->  rcx         single-def
+;  V05 loc0         [V05,T06] (  6,  6.50)     int  ->  rcx        
 ;* V06 loc1         [V06    ] (  0,  0   )     int  ->  zero-ref   
-;  V07 loc2         [V07,T00] ( 13, 16.77)     int  ->  r14        
+;  V07 loc2         [V07,T00] ( 13, 18.79)     int  ->  rax        
 ;# V08 OutArgs      [V08    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;* V09 tmp1         [V09    ] (  0,  0   )  double  ->  zero-ref    "spilling side-effects"
-;  V10 tmp2         [V10,T01] (  6, 12   )     ref  ->  rax         class-hnd exact "Single-def Box Helper" <System.Double>
-;  V11 tmp3         [V11,T03] (  5,  8.04)   byref  ->  r13         "impImportAndPushBox"
-;  V12 tmp4         [V12,T10] (  4,  4   )   ubyte  ->  r12         "Inline return value spill temp"
-;  V13 tmp5         [V13,T05] (  4,  8   )     ref  ->  rax         class-hnd exact "Inlining Arg" <System.Double>
-;  V14 tmp6         [V14,T13] (  8,  8   )  double  ->  mm1         "Inline stloc first use temp"
-;  V15 tmp7         [V15,T04] (  8,  8   )   ubyte  ->  r12         "Inline return value spill temp"
-;  V16 tmp8         [V16,T12] (  6, 12   )  double  ->  mm2         "Inlining Arg"
-;  V17 cse0         [V17,T11] (  2,  0.04)   byref  ->  r13         "CSE #06: conservative"
-;  V18 cse1         [V18,T15] (  3,  5.94)  double  ->  mm2         "CSE #02: moderate"
-;  V19 cse2         [V19,T08] (  2,  3.96)    long  ->  r13         "CSE #01: aggressive"
+;* V10 tmp2         [V10    ] (  0,  0   )    long  ->  zero-ref    class-hnd exact "Single-def Box Helper" <System.Double>
+;  V11 tmp3         [V11,T01] (  5, 16.04)   byref  ->  rdx         "impImportAndPushBox"
+;  V12 tmp4         [V12,T05] (  4,  8   )   ubyte  ->  rdi         "Inline return value spill temp"
+;* V13 tmp5         [V13    ] (  0,  0   )    long  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Double>
+;* V14 tmp6         [V14    ] (  0,  0   )  double  ->  zero-ref    "Inline stloc first use temp"
+;  V15 tmp7         [V15,T04] (  8, 10   )   ubyte  ->  rdi         "Inline return value spill temp"
+;  V16 tmp8         [V16,T11] (  6, 12   )  double  ->  mm1         "Inlining Arg"
+;* V17 tmp9         [V17    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[SF] "stack allocated boxed value class temp" <System.Runtime.CompilerServices.StackAllocatedBox`1[double]>
+;* V18 tmp10        [V18    ] (  0,  0   )    long  ->  zero-ref    "V17.[000..008)"
+;* V19 tmp11        [V19    ] (  0,  0   )  double  ->  zero-ref    "V17.[008..016)"
+;  V20 cse0         [V20,T09] (  2,  0.08)   byref  ->  rdx         "CSE #05: conservative"
+;  V21 cse1         [V21,T12] (  3,  9.90)  double  ->  mm1         "CSE #02: aggressive"
+;  V22 cse2         [V22,T03] (  2,  7.92)    long  ->  rdx         "CSE #01: aggressive"
 ;
-; Lcl frame size = 8
+; Lcl frame size = 0
 
 G_M61180_IG01:
        push     rbp
-       push     r15
-       push     r14
-       push     r13
-       push     r12
-       push     rbx
-       push     rax
-       lea      rbp, [rsp+0x30]
-       vmovsd   qword ptr [rbp-0x30], xmm0
-       mov      rbx, rsi
-						;; size=24 bbWeight=1 PerfScore 8.75
+       mov      rbp, rsp
+						;; size=4 bbWeight=1 PerfScore 1.25
 G_M61180_IG02:
-       lea      r15d, [rdx+rcx]
-       mov      r14d, edx
-       cmp      r14d, r15d
-       jge      G_M61180_IG10
-						;; size=16 bbWeight=1 PerfScore 2.00
+       add      ecx, edx
+       mov      eax, edx
+       cmp      eax, ecx
+       jge      SHORT G_M61180_IG09
+						;; size=8 bbWeight=1 PerfScore 1.75
 G_M61180_IG03:
-       test     rbx, rbx
-       je       G_M61180_IG12
-       mov      edi, r14d
-       or       edi, r15d
-       jl       G_M61180_IG12
-       cmp      dword ptr [rbx+0x08], r15d
-       jl       G_M61180_IG12
-						;; size=31 bbWeight=0.25 PerfScore 1.69
+       test     rsi, rsi
+       je       SHORT G_M61180_IG11
+       mov      edx, eax
+       or       edx, ecx
+       jl       SHORT G_M61180_IG11
+       cmp      dword ptr [rsi+0x08], ecx
+       jl       SHORT G_M61180_IG11
+       align    [4 bytes for IG04]
+						;; size=20 bbWeight=0.25 PerfScore 1.75
 G_M61180_IG04:
-       mov      r13d, r14d
-       mov      rdi, 0xD1FFAB1E      ; System.Double
-       call     CORINFO_HELP_NEWSFAST
-       lea      r13, bword ptr [rbx+8*r13+0x10]
-       vmovsd   xmm0, qword ptr [rbp-0x30]
-       vmovsd   qword ptr [rax+0x08], xmm0
-       vmovsd   xmm1, qword ptr [rax+0x08]
-       vmovsd   xmm2, qword ptr [r13]
-       vucomisd xmm1, xmm2
+       mov      edx, eax
+       lea      rdx, bword ptr [rsi+8*rdx+0x10]
+       vmovsd   xmm1, qword ptr [rdx]
+       vucomisd xmm0, xmm1
        jp       SHORT G_M61180_IG05
        je       SHORT G_M61180_IG07
-						;; size=52 bbWeight=1.98 PerfScore 38.61
+						;; size=19 bbWeight=3.96 PerfScore 36.63
 G_M61180_IG05:
-       vucomisd xmm1, xmm1
+       vucomisd xmm0, xmm0
        jp       SHORT G_M61180_IG06
        jne      SHORT G_M61180_IG06
-       xor      r12d, r12d
+       xor      edi, edi
        jmp      SHORT G_M61180_IG08
-						;; size=13 bbWeight=1.98 PerfScore 12.38
+						;; size=12 bbWeight=1.98 PerfScore 12.38
 G_M61180_IG06:
-       vucomisd xmm2, xmm2
-       setp     r12b
-       movzx    r12, r12b
+       vucomisd xmm1, xmm1
+       setp     dil
+       movzx    rdi, dil
        jmp      SHORT G_M61180_IG08
 						;; size=14 bbWeight=1.98 PerfScore 10.39
 G_M61180_IG07:
-       mov      r12d, 1
-						;; size=6 bbWeight=1.98 PerfScore 0.49
+       mov      edi, 1
+						;; size=5 bbWeight=1.98 PerfScore 0.49
 G_M61180_IG08:
-       test     r12d, r12d
-       jne      G_M61180_IG18
-						;; size=9 bbWeight=1.98 PerfScore 2.48
-G_M61180_IG09:
-       inc      r14d
-       cmp      r14d, r15d
-       vmovsd   qword ptr [rbp-0x30], xmm0
+       test     edi, edi
+       jne      SHORT G_M61180_IG16
+       inc      eax
+       cmp      eax, ecx
        jl       SHORT G_M61180_IG04
-						;; size=13 bbWeight=3.96 PerfScore 9.90
-G_M61180_IG10:
+						;; size=10 bbWeight=3.96 PerfScore 10.89
+G_M61180_IG09:
        mov      eax, -1
 						;; size=5 bbWeight=0.50 PerfScore 0.12
-G_M61180_IG11:
-       add      rsp, 8
-       pop      rbx
-       pop      r12
-       pop      r13
-       pop      r14
-       pop      r15
+G_M61180_IG10:
        pop      rbp
        ret      
-						;; size=15 bbWeight=0.50 PerfScore 2.12
+						;; size=2 bbWeight=0.50 PerfScore 0.75
+G_M61180_IG11:
+       cmp      eax, dword ptr [rsi+0x08]
+       jae      SHORT G_M61180_IG17
+       mov      edx, eax
+       lea      rdx, bword ptr [rsi+8*rdx+0x10]
+       vucomisd xmm0, qword ptr [rdx]
+       jp       SHORT G_M61180_IG12
+       je       SHORT G_M61180_IG14
+						;; size=20 bbWeight=0.04 PerfScore 0.49
 G_M61180_IG12:
-       cmp      r14d, dword ptr [rbx+0x08]
-       jae      G_M61180_IG20
-       mov      edi, r14d
-       lea      r13, bword ptr [rbx+8*rdi+0x10]
-       mov      rdi, 0xD1FFAB1E      ; System.Double
-       call     CORINFO_HELP_NEWSFAST
-       vmovsd   xmm0, qword ptr [rbp-0x30]
-       vmovsd   qword ptr [rax+0x08], xmm0
-       vmovsd   xmm1, qword ptr [rax+0x08]
-       vucomisd xmm1, qword ptr [r13]
+       vucomisd xmm0, xmm0
        jp       SHORT G_M61180_IG13
-       je       SHORT G_M61180_IG15
-						;; size=58 bbWeight=0.02 PerfScore 0.45
+       jne      SHORT G_M61180_IG13
+       xor      edi, edi
+       jmp      SHORT G_M61180_IG15
+						;; size=12 bbWeight=0.02 PerfScore 0.13
 G_M61180_IG13:
+       vmovsd   xmm1, qword ptr [rdx]
        vucomisd xmm1, xmm1
-       jp       SHORT G_M61180_IG14
-       jne      SHORT G_M61180_IG14
-       xor      r12d, r12d
-       jmp      SHORT G_M61180_IG16
-						;; size=13 bbWeight=0.02 PerfScore 0.13
+       setp     dil
+       movzx    rdi, dil
+       jmp      SHORT G_M61180_IG15
+						;; size=18 bbWeight=0.02 PerfScore 0.19
 G_M61180_IG14:
-       vmovsd   xmm2, qword ptr [r13]
-       vucomisd xmm2, xmm2
-       setp     r12b
-       movzx    r12, r12b
-       jmp      SHORT G_M61180_IG16
-						;; size=20 bbWeight=0.02 PerfScore 0.19
+       mov      edi, 1
+						;; size=5 bbWeight=0.02 PerfScore 0.01
 G_M61180_IG15:
-       mov      r12d, 1
-						;; size=6 bbWeight=0.02 PerfScore 0.01
+       test     edi, edi
+       jne      SHORT G_M61180_IG16
+       inc      eax
+       cmp      eax, ecx
+       jl       SHORT G_M61180_IG11
+       jmp      SHORT G_M61180_IG09
+						;; size=12 bbWeight=0.04 PerfScore 0.19
 G_M61180_IG16:
-       test     r12d, r12d
-       jne      SHORT G_M61180_IG18
-						;; size=5 bbWeight=0.02 PerfScore 0.03
-G_M61180_IG17:
-       inc      r14d
-       cmp      r14d, r15d
-       vmovsd   qword ptr [rbp-0x30], xmm0
-       jl       SHORT G_M61180_IG12
-       jmp      G_M61180_IG10
-						;; size=18 bbWeight=0.04 PerfScore 0.18
-G_M61180_IG18:
-       mov      eax, r14d
-						;; size=3 bbWeight=0.50 PerfScore 0.12
-G_M61180_IG19:
-       add      rsp, 8
-       pop      rbx
-       pop      r12
-       pop      r13
-       pop      r14
-       pop      r15
        pop      rbp
        ret      
-						;; size=15 bbWeight=0.50 PerfScore 2.12
-G_M61180_IG20:
+						;; size=2 bbWeight=0.50 PerfScore 0.75
+G_M61180_IG17:
        call     CORINFO_HELP_RNGCHKFAIL
        int3     
 						;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 342, prolog size 24, PerfScore 92.16, instruction count 98, allocated bytes for code 342 (MethodHash=a36d1103) for method System.Collections.Generic.ObjectEqualityComparer`1[double]:IndexOf(double[],double,int,int):int:this (FullOpts)
+; Total bytes of code 174, prolog size 4, PerfScore 78.16, instruction count 66, allocated bytes for code 174 (MethodHash=a36d1103) for method System.Collections.Generic.ObjectEqualityComparer`1[double]:IndexOf(double[],double,int,int):int:this (FullOpts)

-156 (-44.19 % of base) - System.Collections.Generic.ObjectEqualityComparer`1[System.Numerics.Vector`1[float]]:IndexOf(System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int:this

 ; Assembly listing for method System.Collections.Generic.ObjectEqualityComparer`1[System.Numerics.Vector`1[float]]:IndexOf(System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int:this (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX512 - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 0 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.Collections.Generic.ObjectEqualityComparer`1[System.Numerics.Vector`1[float]]>
-;  V01 arg1         [V01,T02] (  7,  4.52)     ref  ->  rbx         class-hnd single-def <System.Numerics.Vector`1[float][]>
-;  V02 arg2         [V02,T14] (  2,  2   )  simd32  ->  [rbp+0x10]  single-def <System.Numerics.Vector`1[float]>
-;  V03 arg3         [V03,T06] (  4,  4   )     int  ->  rdx         single-def
+;  V01 arg1         [V01,T02] (  7,  6.54)     ref  ->  rsi         class-hnd single-def <System.Numerics.Vector`1[float][]>
+;  V02 arg2         [V02,T11] (  6,  4.58)  simd32  ->  mm0         single-def <System.Numerics.Vector`1[float]>
+;  V03 arg3         [V03,T07] (  4,  4   )     int  ->  rdx         single-def
 ;  V04 arg4         [V04,T08] (  3,  3   )     int  ->  rcx         single-def
-;  V05 loc0         [V05,T05] (  6,  6.50)     int  ->  r15        
+;  V05 loc0         [V05,T06] (  6,  6.50)     int  ->  rcx        
 ;* V06 loc1         [V06    ] (  0,  0   )     int  ->  zero-ref   
-;  V07 loc2         [V07,T00] ( 13, 16.77)     int  ->  r14        
+;  V07 loc2         [V07,T00] ( 13, 18.79)     int  ->  rax        
 ;# V08 OutArgs      [V08    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;* V09 tmp1         [V09    ] (  0,  0   )  simd32  ->  zero-ref    "spilling side-effects"
-;  V10 tmp2         [V10,T01] (  6, 12   )     ref  ->  rax         class-hnd exact "Single-def Box Helper" <System.Numerics.Vector`1[float]>
-;  V11 tmp3         [V11,T03] (  4,  8   )   byref  ->  r13         "impImportAndPushBox"
-;  V12 tmp4         [V12,T09] (  4,  4   )   ubyte  ->  r12         "Inline return value spill temp"
-;  V13 tmp5         [V13,T04] (  4,  8   )     ref  ->  rax         class-hnd exact "Inlining Arg" <System.Numerics.Vector`1[float]>
-;  V14 tmp6         [V14,T12] (  8,  8   )  simd32  ->  mm1         "Inline stloc first use temp" <System.Numerics.Vector`1[float]>
-;  V15 tmp7         [V15,T10] (  4,  4   )   ubyte  ->  r12         "Inline return value spill temp"
-;  V16 cse0         [V16,T11] (  2,  0.04)   byref  ->  r13         "CSE #08: conservative"
-;  V17 cse1         [V17,T07] (  2,  3.96)    long  ->  r13         "CSE #02: aggressive"
-;  V18 cse2         [V18,T13] (  4,  7.92)  simd32  ->  mm2         "CSE #03: aggressive"
-;  V19 cse3         [V19,T15] (  4,  0.08)  simd32  ->  mm2         "CSE #09: conservative"
+;* V10 tmp2         [V10    ] (  0,  0   )    long  ->  zero-ref    class-hnd exact "Single-def Box Helper" <System.Numerics.Vector`1[float]>
+;  V11 tmp3         [V11,T01] (  4, 16   )   byref  ->  rdx         "impImportAndPushBox"
+;  V12 tmp4         [V12,T04] (  4,  8   )   ubyte  ->  rdi         "Inline return value spill temp"
+;* V13 tmp5         [V13    ] (  0,  0   )    long  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Numerics.Vector`1[float]>
+;* V14 tmp6         [V14    ] (  0,  0   )  simd32  ->  zero-ref    "Inline stloc first use temp" <System.Numerics.Vector`1[float]>
+;  V15 tmp7         [V15,T05] (  4,  8   )   ubyte  ->  rdi         "Inline return value spill temp"
+;* V16 tmp8         [V16    ] (  0,  0   )  struct (40) zero-ref    do-not-enreg[SF] "stack allocated boxed value class temp" <System.Runtime.CompilerServices.StackAllocatedBox`1[System.Numerics.Vector`1[float]]>
+;* V17 tmp9         [V17    ] (  0,  0   )    long  ->  zero-ref    "V16.[000..008)"
+;* V18 tmp10        [V18    ] (  0,  0   )  simd32  ->  zero-ref    "V16.[008..040)"
+;  V19 cse0         [V19,T09] (  2,  0.08)   byref  ->  rdx         "CSE #08: conservative"
+;  V20 cse1         [V20,T03] (  2,  7.92)    long  ->  rdx         "CSE #02: aggressive"
+;  V21 cse2         [V21,T10] (  4, 15.84)  simd32  ->  mm2         "CSE #03: aggressive"
+;  V22 cse3         [V22,T12] (  4,  4.29)  simd32  ->  registers   hoist multi-def "CSE #04: aggressive"
+;  V23 cse4         [V23,T13] (  4,  0.16)  simd32  ->  mm1         "CSE #09: conservative"
 ;
-; Lcl frame size = 8
+; Lcl frame size = 0
 
 G_M57674_IG01:
        push     rbp
-       push     r15
-       push     r14
-       push     r13
-       push     r12
-       push     rbx
-       push     rax
-       lea      rbp, [rsp+0x30]
-       mov      rbx, rsi
-						;; size=19 bbWeight=1 PerfScore 7.75
+       mov      rbp, rsp
+       vmovups  ymm0, ymmword ptr [rbp+0x10]
+						;; size=9 bbWeight=1 PerfScore 5.25
 G_M57674_IG02:
-       lea      r15d, [rdx+rcx]
-       mov      r14d, edx
-       cmp      r14d, r15d
-       jge      G_M57674_IG06
-						;; size=16 bbWeight=1 PerfScore 2.00
+       add      ecx, edx
+       mov      eax, edx
+       cmp      eax, ecx
+       jge      SHORT G_M57674_IG05
+						;; size=8 bbWeight=1 PerfScore 1.75
 G_M57674_IG03:
-       test     rbx, rbx
-       je       G_M57674_IG08
-       mov      edi, r14d
-       or       edi, r15d
-       jl       G_M57674_IG08
-       cmp      dword ptr [rbx+0x08], r15d
-       jl       G_M57674_IG08
-						;; size=31 bbWeight=0.25 PerfScore 1.69
+       test     rsi, rsi
+       je       SHORT G_M57674_IG07
+       mov      edx, eax
+       or       edx, ecx
+       jl       SHORT G_M57674_IG07
+       cmp      dword ptr [rsi+0x08], ecx
+       jl       SHORT G_M57674_IG07
+       vcmpps   ymm1, ymm0, ymm0, 0
+       align    [0 bytes for IG04]
+						;; size=21 bbWeight=0.25 PerfScore 2.44
 G_M57674_IG04:
-       mov      r13d, r14d
-       shl      r13, 5
-       mov      rdi, 0xD1FFAB1E      ; System.Numerics.Vector`1[float]
-       call     CORINFO_HELP_NEWSFAST
-       lea      r13, bword ptr [rbx+r13+0x10]
-       vmovups  ymm0, ymmword ptr [rbp+0x10]
-       vmovups  ymmword ptr [rax+0x08], ymm0
-       vmovups  ymm1, ymmword ptr [rax+0x08]
-       vmovups  ymm2, ymmword ptr [r13]
-       vcmpps   ymm3, ymm1, ymm2, 0
+       mov      edx, eax
+       shl      rdx, 5
+       lea      rdx, bword ptr [rsi+rdx+0x10]
+       vmovups  ymm2, ymmword ptr [rdx]
+       vcmpps   ymm3, ymm0, ymm2, 0
        vcmpps   ymm2, ymm2, ymm2, 0
-       vcmpps   ymm1, ymm1, ymm1, 0
-       vpternlogd ymm1, ymm1, ymm2, 17
-       vorps    ymm1, ymm1, ymm3
-       vpcmpeqd ymm2, ymm2, ymm2
-       vptest   ymm1, ymm2
-       setb     r12b
-       movzx    r12, r12b
-       test     r12d, r12d
-       jne      G_M57674_IG10
-						;; size=100 bbWeight=1.98 PerfScore 72.93
-G_M57674_IG05:
-       inc      r14d
-       cmp      r14d, r15d
-       vmovups  ymmword ptr [rbp+0x10], ymm0
+       vpternlogd ymm2, ymm2, ymm1, 17
+       vorps    ymm2, ymm2, ymm3
+       vpcmpeqd ymm3, ymm3, ymm3
+       vptest   ymm2, ymm3
+       setb     dil
+       movzx    rdi, dil
+       test     edi, edi
+       jne      SHORT G_M57674_IG08
+       inc      eax
+       cmp      eax, ecx
        jl       SHORT G_M57674_IG04
-						;; size=13 bbWeight=3.96 PerfScore 9.90
-G_M57674_IG06:
+						;; size=63 bbWeight=3.96 PerfScore 91.41
+G_M57674_IG05:
        mov      eax, -1
 						;; size=5 bbWeight=0.50 PerfScore 0.12
-G_M57674_IG07:
+G_M57674_IG06:
        vzeroupper 
-       add      rsp, 8
-       pop      rbx
-       pop      r12
-       pop      r13
-       pop      r14
-       pop      r15
        pop      rbp
        ret      
-						;; size=18 bbWeight=0.50 PerfScore 2.62
-G_M57674_IG08:
-       cmp      r14d, dword ptr [rbx+0x08]
-       jae      G_M57674_IG12
-       mov      edi, r14d
-       shl      rdi, 5
-       lea      r13, bword ptr [rbx+rdi+0x10]
-       mov      rdi, 0xD1FFAB1E      ; System.Numerics.Vector`1[float]
-       call     CORINFO_HELP_NEWSFAST
-       vmovups  ymm0, ymmword ptr [rbp+0x10]
-       vmovups  ymmword ptr [rax+0x08], ymm0
-       vmovups  ymm1, ymmword ptr [rax+0x08]
-       vmovups  ymm2, ymmword ptr [r13]
-       vcmpps   ymm3, ymm1, ymm2, 0
-       vcmpps   ymm2, ymm2, ymm2, 0
+						;; size=5 bbWeight=0.50 PerfScore 1.25
+G_M57674_IG07:
+       cmp      eax, dword ptr [rsi+0x08]
+       jae      SHORT G_M57674_IG09
+       mov      edx, eax
+       shl      rdx, 5
+       lea      rdx, bword ptr [rsi+rdx+0x10]
+       vmovups  ymm1, ymmword ptr [rdx]
+       vcmpps   ymm2, ymm0, ymm1, 0
        vcmpps   ymm1, ymm1, ymm1, 0
-       vpternlogd ymm1, ymm1, ymm2, 17
-       vorps    ymm1, ymm1, ymm3
+       vcmpps   ymm3, ymm0, ymm0, 0
+       vpternlogd ymm1, ymm1, ymm3, 17
+       vorps    ymm1, ymm1, ymm2
        vpcmpeqd ymm2, ymm2, ymm2
        vptest   ymm1, ymm2
-       setb     r12b
-       movzx    r12, r12b
-       test     r12d, r12d
-       jne      SHORT G_M57674_IG10
-						;; size=106 bbWeight=0.02 PerfScore 0.82
-G_M57674_IG09:
-       inc      r14d
-       cmp      r14d, r15d
-       vmovups  ymmword ptr [rbp+0x10], ymm0
-       jl       SHORT G_M57674_IG08
-       jmp      G_M57674_IG06
-						;; size=18 bbWeight=0.04 PerfScore 0.18
-G_M57674_IG10:
-       mov      eax, r14d
-						;; size=3 bbWeight=0.50 PerfScore 0.12
-G_M57674_IG11:
+       setb     dil
+       movzx    rdi, dil
+       test     edi, edi
+       jne      SHORT G_M57674_IG08
+       inc      eax
+       cmp      eax, ecx
+       jl       SHORT G_M57674_IG07
+       jmp      SHORT G_M57674_IG05
+						;; size=75 bbWeight=0.04 PerfScore 1.28
+G_M57674_IG08:
        vzeroupper 
-       add      rsp, 8
-       pop      rbx
-       pop      r12
-       pop      r13
-       pop      r14
-       pop      r15
        pop      rbp
        ret      
-						;; size=18 bbWeight=0.50 PerfScore 2.62
-G_M57674_IG12:
+						;; size=5 bbWeight=0.50 PerfScore 1.25
+G_M57674_IG09:
        call     CORINFO_HELP_RNGCHKFAIL
        int3     
 						;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 353, prolog size 19, PerfScore 100.76, instruction count 93, allocated bytes for code 353 (MethodHash=5c651eb5) for method System.Collections.Generic.ObjectEqualityComparer`1[System.Numerics.Vector`1[float]]:IndexOf(System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int:this (FullOpts)
+; Total bytes of code 197, prolog size 9, PerfScore 104.76, instruction count 63, allocated bytes for code 197 (MethodHash=5c651eb5) for method System.Collections.Generic.ObjectEqualityComparer`1[System.Numerics.Vector`1[float]]:IndexOf(System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int:this (FullOpts)

-155 (-43.30 % of base) - System.Collections.Generic.ObjectEqualityComparer`1[System.Numerics.Vector`1[float]]:LastIndexOf(System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int:this

 ; Assembly listing for method System.Collections.Generic.ObjectEqualityComparer`1[System.Numerics.Vector`1[float]]:LastIndexOf(System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int:this (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX512 - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 0 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.Collections.Generic.ObjectEqualityComparer`1[System.Numerics.Vector`1[float]]>
-;  V01 arg1         [V01,T02] (  7,  4.52)     ref  ->  rbx         class-hnd single-def <System.Numerics.Vector`1[float][]>
-;  V02 arg2         [V02,T14] (  2,  2   )  simd32  ->  [rbp+0x10]  single-def <System.Numerics.Vector`1[float]>
-;  V03 arg3         [V03,T06] (  4,  4   )     int  ->  rdx         single-def
+;  V01 arg1         [V01,T02] (  7,  6.54)     ref  ->  rsi         class-hnd single-def <System.Numerics.Vector`1[float][]>
+;  V02 arg2         [V02,T11] (  6,  4.58)  simd32  ->  mm0         single-def <System.Numerics.Vector`1[float]>
+;  V03 arg3         [V03,T07] (  4,  4   )     int  ->  rdx         single-def
 ;  V04 arg4         [V04,T08] (  3,  3   )     int  ->  rcx         single-def
-;  V05 loc0         [V05,T05] (  5,  6.25)     int  ->  r15        
+;  V05 loc0         [V05,T06] (  5,  6.25)     int  ->  rdi        
 ;* V06 loc1         [V06    ] (  0,  0   )     int  ->  zero-ref   
-;  V07 loc2         [V07,T00] ( 14, 17.02)     int  ->  r14        
+;  V07 loc2         [V07,T00] ( 14, 19.04)     int  ->  rax        
 ;# V08 OutArgs      [V08    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;* V09 tmp1         [V09    ] (  0,  0   )  simd32  ->  zero-ref    "spilling side-effects"
-;  V10 tmp2         [V10,T01] (  6, 12   )     ref  ->  rax         class-hnd exact "Single-def Box Helper" <System.Numerics.Vector`1[float]>
-;  V11 tmp3         [V11,T03] (  4,  8   )   byref  ->  r13         "impImportAndPushBox"
-;  V12 tmp4         [V12,T09] (  4,  4   )   ubyte  ->  r12         "Inline return value spill temp"
-;  V13 tmp5         [V13,T04] (  4,  8   )     ref  ->  rax         class-hnd exact "Inlining Arg" <System.Numerics.Vector`1[float]>
-;  V14 tmp6         [V14,T12] (  8,  8   )  simd32  ->  mm1         "Inline stloc first use temp" <System.Numerics.Vector`1[float]>
-;  V15 tmp7         [V15,T10] (  4,  4   )   ubyte  ->  r12         "Inline return value spill temp"
-;  V16 cse0         [V16,T11] (  2,  0.04)   byref  ->  r13         "CSE #08: conservative"
-;  V17 cse1         [V17,T07] (  2,  3.96)    long  ->  r13         "CSE #02: aggressive"
-;  V18 cse2         [V18,T13] (  4,  7.92)  simd32  ->  mm2         "CSE #03: aggressive"
-;  V19 cse3         [V19,T15] (  4,  0.08)  simd32  ->  mm2         "CSE #09: conservative"
+;* V10 tmp2         [V10    ] (  0,  0   )    long  ->  zero-ref    class-hnd exact "Single-def Box Helper" <System.Numerics.Vector`1[float]>
+;  V11 tmp3         [V11,T01] (  4, 16   )   byref  ->  rcx         "impImportAndPushBox"
+;  V12 tmp4         [V12,T04] (  4,  8   )   ubyte  ->  rdx         "Inline return value spill temp"
+;* V13 tmp5         [V13    ] (  0,  0   )    long  ->  zero-ref    class-hnd exact "Inlining Arg" <System.Numerics.Vector`1[float]>
+;* V14 tmp6         [V14    ] (  0,  0   )  simd32  ->  zero-ref    "Inline stloc first use temp" <System.Numerics.Vector`1[float]>
+;  V15 tmp7         [V15,T05] (  4,  8   )   ubyte  ->  rdx         "Inline return value spill temp"
+;* V16 tmp8         [V16    ] (  0,  0   )  struct (40) zero-ref    do-not-enreg[SF] "stack allocated boxed value class temp" <System.Runtime.CompilerServices.StackAllocatedBox`1[System.Numerics.Vector`1[float]]>
+;* V17 tmp9         [V17    ] (  0,  0   )    long  ->  zero-ref    "V16.[000..008)"
+;* V18 tmp10        [V18    ] (  0,  0   )  simd32  ->  zero-ref    "V16.[008..040)"
+;  V19 cse0         [V19,T09] (  2,  0.08)   byref  ->  rcx         "CSE #08: conservative"
+;  V20 cse1         [V20,T03] (  2,  7.92)    long  ->  rcx         "CSE #02: aggressive"
+;  V21 cse2         [V21,T10] (  4, 15.84)  simd32  ->  mm2         "CSE #03: aggressive"
+;  V22 cse3         [V22,T12] (  4,  4.29)  simd32  ->  registers   hoist multi-def "CSE #04: aggressive"
+;  V23 cse4         [V23,T13] (  4,  0.16)  simd32  ->  mm1         "CSE #09: conservative"
 ;
-; Lcl frame size = 8
+; Lcl frame size = 0
 
 G_M34176_IG01:
        push     rbp
-       push     r15
-       push     r14
-       push     r13
-       push     r12
-       push     rbx
-       push     rax
-       lea      rbp, [rsp+0x30]
-       mov      rbx, rsi
-						;; size=19 bbWeight=1 PerfScore 7.75
+       mov      rbp, rsp
+       vmovups  ymm0, ymmword ptr [rbp+0x10]
+						;; size=9 bbWeight=1 PerfScore 5.25
 G_M34176_IG02:
-       mov      r15d, edx
-       sub      r15d, ecx
-       inc      r15d
-       mov      r14d, edx
-       cmp      r14d, r15d
-       jl       G_M34176_IG06
-						;; size=21 bbWeight=1 PerfScore 2.25
+       mov      edi, edx
+       sub      edi, ecx
+       inc      edi
+       mov      eax, edx
+       cmp      eax, edi
+       jl       SHORT G_M34176_IG05
+						;; size=12 bbWeight=1 PerfScore 2.25
 G_M34176_IG03:
-       test     rbx, rbx
-       je       G_M34176_IG08
-       mov      edi, r14d
-       or       edi, r15d
-       jl       G_M34176_IG08
-       cmp      dword ptr [rbx+0x08], r14d
-       jle      G_M34176_IG08
-						;; size=31 bbWeight=0.25 PerfScore 1.69
+       test     rsi, rsi
+       je       SHORT G_M34176_IG07
+       mov      ecx, eax
+       or       ecx, edi
+       jl       SHORT G_M34176_IG07
+       cmp      dword ptr [rsi+0x08], eax
+       jle      SHORT G_M34176_IG07
+       vcmpps   ymm1, ymm0, ymm0, 0
+       align    [6 bytes for IG04]
+						;; size=27 bbWeight=0.25 PerfScore 2.50
 G_M34176_IG04:
-       mov      r13d, r14d
-       shl      r13, 5
-       mov      rdi, 0xD1FFAB1E      ; System.Numerics.Vector`1[float]
-       call     CORINFO_HELP_NEWSFAST
-       lea      r13, bword ptr [rbx+r13+0x10]
-       vmovups  ymm0, ymmword ptr [rbp+0x10]
-       vmovups  ymmword ptr [rax+0x08], ymm0
-       vmovups  ymm1, ymmword ptr [rax+0x08]
-       vmovups  ymm2, ymmword ptr [r13]
-       vcmpps   ymm3, ymm1, ymm2, 0
+       mov      ecx, eax
+       shl      rcx, 5
+       lea      rcx, bword ptr [rsi+rcx+0x10]
+       vmovups  ymm2, ymmword ptr [rcx]
+       vcmpps   ymm3, ymm0, ymm2, 0
        vcmpps   ymm2, ymm2, ymm2, 0
-       vcmpps   ymm1, ymm1, ymm1, 0
-       vpternlogd ymm1, ymm1, ymm2, 17
-       vorps    ymm1, ymm1, ymm3
-       vpcmpeqd ymm2, ymm2, ymm2
-       vptest   ymm1, ymm2
-       setb     r12b
-       movzx    r12, r12b
-       test     r12d, r12d
-       jne      G_M34176_IG10
-						;; size=100 bbWeight=1.98 PerfScore 72.93
-G_M34176_IG05:
-       dec      r14d
-       cmp      r14d, r15d
-       vmovups  ymmword ptr [rbp+0x10], ymm0
+       vpternlogd ymm2, ymm2, ymm1, 17
+       vorps    ymm2, ymm2, ymm3
+       vpcmpeqd ymm3, ymm3, ymm3
+       vptest   ymm2, ymm3
+       setb     dl
+       movzx    rdx, dl
+       test     edx, edx
+       jne      SHORT G_M34176_IG08
+       dec      eax
+       cmp      eax, edi
        jge      SHORT G_M34176_IG04
-						;; size=13 bbWeight=3.96 PerfScore 9.90
-G_M34176_IG06:
+						;; size=61 bbWeight=3.96 PerfScore 91.41
+G_M34176_IG05:
        mov      eax, -1
 						;; size=5 bbWeight=0.50 PerfScore 0.12
-G_M34176_IG07:
+G_M34176_IG06:
        vzeroupper 
-       add      rsp, 8
-       pop      rbx
-       pop      r12
-       pop      r13
-       pop      r14
-       pop      r15
        pop      rbp
        ret      
-						;; size=18 bbWeight=0.50 PerfScore 2.62
-G_M34176_IG08:
-       cmp      r14d, dword ptr [rbx+0x08]
-       jae      G_M34176_IG12
-       mov      edi, r14d
-       shl      rdi, 5
-       lea      r13, bword ptr [rbx+rdi+0x10]
-       mov      rdi, 0xD1FFAB1E      ; System.Numerics.Vector`1[float]
-       call     CORINFO_HELP_NEWSFAST
-       vmovups  ymm0, ymmword ptr [rbp+0x10]
-       vmovups  ymmword ptr [rax+0x08], ymm0
-       vmovups  ymm1, ymmword ptr [rax+0x08]
-       vmovups  ymm2, ymmword ptr [r13]
-       vcmpps   ymm3, ymm1, ymm2, 0
-       vcmpps   ymm2, ymm2, ymm2, 0
+						;; size=5 bbWeight=0.50 PerfScore 1.25
+G_M34176_IG07:
+       cmp      eax, dword ptr [rsi+0x08]
+       jae      SHORT G_M34176_IG09
+       mov      ecx, eax
+       shl      rcx, 5
+       lea      rcx, bword ptr [rsi+rcx+0x10]
+       vmovups  ymm1, ymmword ptr [rcx]
+       vcmpps   ymm2, ymm0, ymm1, 0
        vcmpps   ymm1, ymm1, ymm1, 0
-       vpternlogd ymm1, ymm1, ymm2, 17
-       vorps    ymm1, ymm1, ymm3
+       vcmpps   ymm3, ymm0, ymm0, 0
+       vpternlogd ymm1, ymm1, ymm3, 17
+       vorps    ymm1, ymm1, ymm2
        vpcmpeqd ymm2, ymm2, ymm2
        vptest   ymm1, ymm2
-       setb     r12b
-       movzx    r12, r12b
-       test     r12d, r12d
-       jne      SHORT G_M34176_IG10
-						;; size=106 bbWeight=0.02 PerfScore 0.82
-G_M34176_IG09:
-       dec      r14d
-       cmp      r14d, r15d
-       vmovups  ymmword ptr [rbp+0x10], ymm0
-       jge      SHORT G_M34176_IG08
-       jmp      G_M34176_IG06
-						;; size=18 bbWeight=0.04 PerfScore 0.18
-G_M34176_IG10:
-       mov      eax, r14d
-						;; size=3 bbWeight=0.50 PerfScore 0.12
-G_M34176_IG11:
+       setb     dl
+       movzx    rdx, dl
+       test     edx, edx
+       jne      SHORT G_M34176_IG08
+       dec      eax
+       cmp      eax, edi
+       jge      SHORT G_M34176_IG07
+       jmp      SHORT G_M34176_IG05
+						;; size=73 bbWeight=0.04 PerfScore 1.28
+G_M34176_IG08:
        vzeroupper 
-       add      rsp, 8
-       pop      rbx
-       pop      r12
-       pop      r13
-       pop      r14
-       pop      r15
        pop      rbp
        ret      
-						;; size=18 bbWeight=0.50 PerfScore 2.62
-G_M34176_IG12:
+						;; size=5 bbWeight=0.50 PerfScore 1.25
+G_M34176_IG09:
        call     CORINFO_HELP_RNGCHKFAIL
        int3     
 						;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 358, prolog size 19, PerfScore 101.01, instruction count 95, allocated bytes for code 358 (MethodHash=86f17a7f) for method System.Collections.Generic.ObjectEqualityComparer`1[System.Numerics.Vector`1[float]]:LastIndexOf(System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int:this (FullOpts)
+; Total bytes of code 203, prolog size 9, PerfScore 105.32, instruction count 65, allocated bytes for code 203 (MethodHash=86f17a7f) for method System.Collections.Generic.ObjectEqualityComparer`1[System.Numerics.Vector`1[float]]:LastIndexOf(System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int:this (FullOpts)

Larger list of diffs: https://gist.github.com/MihuBot/0f096701b12609d54ed62e7f192e4731

[MihuBot]

@hez2010