[X64] [EgorBo] Handle side-effects in impBoxPatternMatch

[MihuBot]

Build completed in 1 hour 8 minutes.
dotnet/runtime#90496

CoreLib diffs

Found 2 files with textual diffs.

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 6626928
Total bytes of diff: 6626854
Total bytes of delta: -74 (-0.00 % of base)
Total relative delta: -1.62
 diff is an improvement.
 relative diff is an improvement.


Top file improvements (bytes):
 -74 : System.Private.CoreLib.dasm (-0.00 % of base)

1 total files with Code Size differences (1 improved, 0 regressed), 0 unchanged.

Top method regressions (bytes):
 20 (11.30 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[ubyte]:PickPivotAndPartition(System.Span`1[ubyte]):int (FullOpts)
 5 (4.50 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`2[short,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[short],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
 5 (4.63 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`2[ubyte,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[ubyte],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
 4 (1.85 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[short]:PickPivotAndPartition(System.Span`1[short]):int (FullOpts)
 4 (3.15 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`2[double,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[double],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
 3 (2.73 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[int]:BinarySearch(int[],int,int,int):int (FullOpts)
 3 (2.73 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[long]:BinarySearch(long[],int,int,long):int (FullOpts)
 2 (1.89 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`2[int,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[int],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
 2 (1.87 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`2[long,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[long],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)

Top method improvements (bytes):
 -11 (-7.48 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[double]:BinarySearch(double[],int,int,double):int (FullOpts)
 -8 (-19.51 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[double]:SwapIfGreater(byref,byref) (FullOpts)
 -8 (-38.10 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[int]:SwapIfGreater(byref,byref) (FullOpts)
 -8 (-30.77 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[long]:SwapIfGreater(byref,byref) (FullOpts)
 -8 (-29.63 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[short]:SwapIfGreater(byref,byref) (FullOpts)
 -8 (-34.78 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[ubyte]:SwapIfGreater(byref,byref) (FullOpts)
 -6 (-3.26 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[int]:PickPivotAndPartition(System.Span`1[int]):int (FullOpts)
 -6 (-6.52 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericEqualityComparer`1[long]:IndexOf(long[],long,int,int):int:this (FullOpts)
 -6 (-6.52 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericEqualityComparer`1[long]:LastIndexOf(long[],long,int,int):int:this (FullOpts)
 -5 (-1.25 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[double]:IntroSort(System.Span`1[double],int) (FullOpts)
 -5 (-1.55 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[int]:IntroSort(System.Span`1[int],int) (FullOpts)
 -5 (-1.44 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[long]:IntroSort(System.Span`1[long],int) (FullOpts)
 -5 (-1.42 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[short]:IntroSort(System.Span`1[short],int) (FullOpts)
 -5 (-1.50 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[ubyte]:IntroSort(System.Span`1[ubyte],int) (FullOpts)
 -4 (-4.55 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericEqualityComparer`1[int]:IndexOf(int[],int,int,int):int:this (FullOpts)
 -4 (-4.55 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericEqualityComparer`1[int]:LastIndexOf(int[],int,int,int):int:this (FullOpts)
 -3 (-0.18 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.Dictionary`2[long,System.Nullable`1[int]]:OnDeserialization(System.Object):this (FullOpts)
 -3 (-0.18 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.Dictionary`2[short,System.Nullable`1[int]]:OnDeserialization(System.Object):this (FullOpts)
 -3 (-0.18 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.Dictionary`2[ubyte,System.Nullable`1[int]]:OnDeserialization(System.Object):this (FullOpts)
 -3 (-1.51 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[long]:PickPivotAndPartition(System.Span`1[long]):int (FullOpts)
 -2 (-0.12 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.Dictionary`2[double,System.Nullable`1[int]]:OnDeserialization(System.Object):this (FullOpts)
 -2 (-0.12 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.Dictionary`2[int,System.Nullable`1[int]]:OnDeserialization(System.Object):this (FullOpts)
 -2 (-0.65 % of base) : System.Private.CoreLib.dasm - System.Text.StringBuilder:AppendJoinCore[double](byref,int,double[]):System.Text.StringBuilder:this (FullOpts)
 -2 (-0.82 % of base) : System.Private.CoreLib.dasm - System.Text.StringBuilder:AppendJoinCore[int](byref,int,int[]):System.Text.StringBuilder:this (FullOpts)

Top method regressions (percentages):
 20 (11.30 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[ubyte]:PickPivotAndPartition(System.Span`1[ubyte]):int (FullOpts)
 5 (4.63 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`2[ubyte,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[ubyte],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
 5 (4.50 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`2[short,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[short],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
 4 (3.15 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`2[double,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[double],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
 3 (2.73 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[int]:BinarySearch(int[],int,int,int):int (FullOpts)
 3 (2.73 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[long]:BinarySearch(long[],int,int,long):int (FullOpts)
 2 (1.89 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`2[int,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[int],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
 2 (1.87 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`2[long,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[long],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
 4 (1.85 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[short]:PickPivotAndPartition(System.Span`1[short]):int (FullOpts)

Top method improvements (percentages):
 -8 (-38.10 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[int]:SwapIfGreater(byref,byref) (FullOpts)
 -8 (-34.78 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[ubyte]:SwapIfGreater(byref,byref) (FullOpts)
 -8 (-30.77 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[long]:SwapIfGreater(byref,byref) (FullOpts)
 -8 (-29.63 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[short]:SwapIfGreater(byref,byref) (FullOpts)
 -8 (-19.51 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[double]:SwapIfGreater(byref,byref) (FullOpts)
 -11 (-7.48 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[double]:BinarySearch(double[],int,int,double):int (FullOpts)
 -6 (-6.52 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericEqualityComparer`1[long]:IndexOf(long[],long,int,int):int:this (FullOpts)
 -6 (-6.52 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericEqualityComparer`1[long]:LastIndexOf(long[],long,int,int):int:this (FullOpts)
 -4 (-4.55 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericEqualityComparer`1[int]:IndexOf(int[],int,int,int):int:this (FullOpts)
 -4 (-4.55 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericEqualityComparer`1[int]:LastIndexOf(int[],int,int,int):int:this (FullOpts)
 -6 (-3.26 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[int]:PickPivotAndPartition(System.Span`1[int]):int (FullOpts)
 -5 (-1.55 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[int]:IntroSort(System.Span`1[int],int) (FullOpts)
 -3 (-1.51 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[long]:PickPivotAndPartition(System.Span`1[long]):int (FullOpts)
 -5 (-1.50 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[ubyte]:IntroSort(System.Span`1[ubyte],int) (FullOpts)
 -5 (-1.44 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[long]:IntroSort(System.Span`1[long],int) (FullOpts)
 -5 (-1.42 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[short]:IntroSort(System.Span`1[short],int) (FullOpts)
 -5 (-1.25 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[double]:IntroSort(System.Span`1[double],int) (FullOpts)
 -2 (-0.82 % of base) : System.Private.CoreLib.dasm - System.Text.StringBuilder:AppendJoinCore[int](byref,int,int[]):System.Text.StringBuilder:this (FullOpts)
 -2 (-0.65 % of base) : System.Private.CoreLib.dasm - System.Text.StringBuilder:AppendJoinCore[double](byref,int,double[]):System.Text.StringBuilder:this (FullOpts)
 -3 (-0.18 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.Dictionary`2[long,System.Nullable`1[int]]:OnDeserialization(System.Object):this (FullOpts)
 -3 (-0.18 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.Dictionary`2[short,System.Nullable`1[int]]:OnDeserialization(System.Object):this (FullOpts)
 -3 (-0.18 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.Dictionary`2[ubyte,System.Nullable`1[int]]:OnDeserialization(System.Object):this (FullOpts)
 -2 (-0.12 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.Dictionary`2[int,System.Nullable`1[int]]:OnDeserialization(System.Object):this (FullOpts)
 -2 (-0.12 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.Dictionary`2[double,System.Nullable`1[int]]:OnDeserialization(System.Object):this (FullOpts)

33 total methods with Code Size differences (24 improved, 9 regressed), 52816 unchanged.

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Frameworks diffs

Diffs

Found 265 files with textual diffs.

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 38566219
Total bytes of diff: 38565752
Total bytes of delta: -467 (-0.00 % of base)
Total relative delta: -8.65
 diff is an improvement.
 relative diff is an improvement.


Top file improvements (bytes):
 -161 : System.Diagnostics.DiagnosticSource.dasm (-0.07 % of base)
 -142 : Microsoft.Extensions.Logging.Console.dasm (-0.17 % of base)
 -74 : System.Private.CoreLib.dasm (-0.00 % of base)
 -60 : System.Text.Json.dasm (-0.00 % of base)
 -17 : System.Linq.Expressions.dasm (-0.00 % of base)
 -9 : System.Collections.Concurrent.dasm (-0.00 % of base)
 -4 : Microsoft.CSharp.dasm (-0.00 % of base)

7 total files with Code Size differences (7 improved, 0 regressed), 248 unchanged.

Top method regressions (bytes):
 20 (11.30 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[ubyte]:PickPivotAndPartition(System.Span`1[ubyte]):int (FullOpts)
 5 (4.50 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`2[short,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[short],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
 5 (4.63 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`2[ubyte,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[ubyte],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
 4 (1.85 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[short]:PickPivotAndPartition(System.Span`1[short]):int (FullOpts)
 4 (3.15 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`2[double,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[double],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
 3 (2.73 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[int]:BinarySearch(int[],int,int,int):int (FullOpts)
 3 (2.73 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[long]:BinarySearch(long[],int,int,long):int (FullOpts)
 2 (1.89 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`2[int,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[int],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
 2 (1.87 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`2[long,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[long],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)

Top method improvements (bytes):
 -43 (-81.13 % of base) : System.Diagnostics.DiagnosticSource.dasm - System.Diagnostics.ActivityCreationOptions`1[System.Numerics.Vector`1[float]]:get_TraceId():System.Diagnostics.ActivityTraceId:this (FullOpts)
 -40 (-80.00 % of base) : System.Diagnostics.DiagnosticSource.dasm - System.Diagnostics.ActivityCreationOptions`1[double]:get_TraceId():System.Diagnostics.ActivityTraceId:this (FullOpts)
 -37 (-1.30 % of base) : Microsoft.Extensions.Logging.Console.dasm - Microsoft.Extensions.Logging.Console.JsonConsoleFormatter:Write[double](byref,Microsoft.Extensions.Logging.IExternalScopeProvider,System.IO.TextWriter):this (FullOpts)
 -37 (-1.25 % of base) : Microsoft.Extensions.Logging.Console.dasm - Microsoft.Extensions.Logging.Console.JsonConsoleFormatter:Write[System.Numerics.Vector`1[float]](byref,Microsoft.Extensions.Logging.IExternalScopeProvider,System.IO.TextWriter):this (FullOpts)
 -35 (-1.25 % of base) : Microsoft.Extensions.Logging.Console.dasm - Microsoft.Extensions.Logging.Console.JsonConsoleFormatter:Write[long](byref,Microsoft.Extensions.Logging.IExternalScopeProvider,System.IO.TextWriter):this (FullOpts)
 -35 (-77.78 % of base) : System.Diagnostics.DiagnosticSource.dasm - System.Diagnostics.ActivityCreationOptions`1[long]:get_TraceId():System.Diagnostics.ActivityTraceId:this (FullOpts)
 -33 (-1.18 % of base) : Microsoft.Extensions.Logging.Console.dasm - Microsoft.Extensions.Logging.Console.JsonConsoleFormatter:Write[int](byref,Microsoft.Extensions.Logging.IExternalScopeProvider,System.IO.TextWriter):this (FullOpts)
 -33 (-76.74 % of base) : System.Diagnostics.DiagnosticSource.dasm - System.Diagnostics.ActivityCreationOptions`1[int]:get_TraceId():System.Diagnostics.ActivityTraceId:this (FullOpts)
 -17 (-13.60 % of base) : System.Linq.Expressions.dasm - System.Dynamic.Utils.ContractUtils:RequiresNotNullItems[System.Numerics.Vector`1[float]](System.Collections.Generic.IList`1[System.Numerics.Vector`1[float]],System.String) (FullOpts)
 -11 (-7.48 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[double]:BinarySearch(double[],int,int,double):int (FullOpts)
 -8 (-19.51 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[double]:SwapIfGreater(byref,byref) (FullOpts)
 -8 (-38.10 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[int]:SwapIfGreater(byref,byref) (FullOpts)
 -8 (-30.77 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[long]:SwapIfGreater(byref,byref) (FullOpts)
 -8 (-29.63 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[short]:SwapIfGreater(byref,byref) (FullOpts)
 -8 (-34.78 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[ubyte]:SwapIfGreater(byref,byref) (FullOpts)
 -6 (-3.26 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[int]:PickPivotAndPartition(System.Span`1[int]):int (FullOpts)
 -6 (-6.52 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericEqualityComparer`1[long]:IndexOf(long[],long,int,int):int:this (FullOpts)
 -6 (-6.52 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericEqualityComparer`1[long]:LastIndexOf(long[],long,int,int):int:this (FullOpts)
 -5 (-1.25 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[double]:IntroSort(System.Span`1[double],int) (FullOpts)
 -5 (-1.55 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[int]:IntroSort(System.Span`1[int],int) (FullOpts)
 -5 (-1.44 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[long]:IntroSort(System.Span`1[long],int) (FullOpts)
 -5 (-1.42 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[short]:IntroSort(System.Span`1[short],int) (FullOpts)
 -5 (-1.50 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[ubyte]:IntroSort(System.Span`1[ubyte],int) (FullOpts)
 -5 (-33.33 % of base) : System.Diagnostics.DiagnosticSource.dasm - System.Diagnostics.ActivityCreationOptions`1[short]:get_TraceId():System.Diagnostics.ActivityTraceId:this (FullOpts)
 -5 (-33.33 % of base) : System.Diagnostics.DiagnosticSource.dasm - System.Diagnostics.ActivityCreationOptions`1[ubyte]:get_TraceId():System.Diagnostics.ActivityTraceId:this (FullOpts)
 -4 (-4.55 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericEqualityComparer`1[int]:IndexOf(int[],int,int,int):int:this (FullOpts)
 -4 (-4.55 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericEqualityComparer`1[int]:LastIndexOf(int[],int,int,int):int:this (FullOpts)
 -3 (-5.08 % of base) : System.Collections.Concurrent.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[double,System.Nullable`1[int]]:TryRemove(System.Collections.Generic.KeyValuePair`2[double,System.Nullable`1[int]]):bool:this (FullOpts)
 -3 (-5.77 % of base) : System.Collections.Concurrent.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[int,System.Nullable`1[int]]:TryRemove(System.Collections.Generic.KeyValuePair`2[int,System.Nullable`1[int]]):bool:this (FullOpts)
 -3 (-5.56 % of base) : System.Collections.Concurrent.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[long,System.Nullable`1[int]]:TryRemove(System.Collections.Generic.KeyValuePair`2[long,System.Nullable`1[int]]):bool:this (FullOpts)
 -3 (-0.18 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.Dictionary`2[long,System.Nullable`1[int]]:OnDeserialization(System.Object):this (FullOpts)
 -3 (-0.18 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.Dictionary`2[short,System.Nullable`1[int]]:OnDeserialization(System.Object):this (FullOpts)
 -3 (-0.18 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.Dictionary`2[ubyte,System.Nullable`1[int]]:OnDeserialization(System.Object):this (FullOpts)
 -3 (-1.51 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[long]:PickPivotAndPartition(System.Span`1[long]):int (FullOpts)
 -2 (-2.04 % of base) : Microsoft.CSharp.dasm - Microsoft.CSharp.RuntimeBinder.Semantics.TypeTable+KeyPair`2[double,System.Nullable`1[int]]:GetHashCode():int:this (FullOpts)
 -2 (-2.25 % of base) : Microsoft.CSharp.dasm - Microsoft.CSharp.RuntimeBinder.Semantics.TypeTable+KeyPair`2[System.Numerics.Vector`1[float],System.Nullable`1[int]]:GetHashCode():int:this (FullOpts)
 -2 (-0.12 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.Dictionary`2[double,System.Nullable`1[int]]:OnDeserialization(System.Object):this (FullOpts)
 -2 (-0.12 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.Dictionary`2[int,System.Nullable`1[int]]:OnDeserialization(System.Object):this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[short]:GetValue[double]():double:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[short]:GetValue[int]():int:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[short]:GetValue[long]():long:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[short]:GetValue[System.Numerics.Vector`1[float]]():System.Numerics.Vector`1[float]:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[short]:GetValue[ubyte]():ubyte:this (FullOpts)
 -2 (-18.18 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[short]:TryGetValue[double](byref):bool:this (FullOpts)
 -2 (-20.00 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[short]:TryGetValue[int](byref):bool:this (FullOpts)
 -2 (-18.18 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[short]:TryGetValue[long](byref):bool:this (FullOpts)
 -2 (-9.09 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[short]:TryGetValue[System.Numerics.Vector`1[float]](byref):bool:this (FullOpts)
 -2 (-18.18 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[short]:TryGetValue[ubyte](byref):bool:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[System.Numerics.Vector`1[float]]:GetValue[double]():double:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[System.Numerics.Vector`1[float]]:GetValue[int]():int:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[System.Numerics.Vector`1[float]]:GetValue[long]():long:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[System.Numerics.Vector`1[float]]:GetValue[short]():short:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[System.Numerics.Vector`1[float]]:GetValue[ubyte]():ubyte:this (FullOpts)
 -2 (-18.18 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[System.Numerics.Vector`1[float]]:TryGetValue[double](byref):bool:this (FullOpts)
 -2 (-20.00 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[System.Numerics.Vector`1[float]]:TryGetValue[int](byref):bool:this (FullOpts)
 -2 (-18.18 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[System.Numerics.Vector`1[float]]:TryGetValue[long](byref):bool:this (FullOpts)
 -2 (-15.38 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[System.Numerics.Vector`1[float]]:TryGetValue[short](byref):bool:this (FullOpts)
 -2 (-18.18 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[System.Numerics.Vector`1[float]]:TryGetValue[ubyte](byref):bool:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[ubyte]:GetValue[double]():double:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[ubyte]:GetValue[int]():int:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[ubyte]:GetValue[long]():long:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[ubyte]:GetValue[short]():short:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[ubyte]:GetValue[System.Numerics.Vector`1[float]]():System.Numerics.Vector`1[float]:this (FullOpts)
 -2 (-18.18 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[ubyte]:TryGetValue[double](byref):bool:this (FullOpts)
 -2 (-20.00 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[ubyte]:TryGetValue[int](byref):bool:this (FullOpts)
 -2 (-18.18 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[ubyte]:TryGetValue[long](byref):bool:this (FullOpts)
 -2 (-15.38 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[ubyte]:TryGetValue[short](byref):bool:this (FullOpts)
 -2 (-9.09 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[ubyte]:TryGetValue[System.Numerics.Vector`1[float]](byref):bool:this (FullOpts)
 -2 (-0.65 % of base) : System.Private.CoreLib.dasm - System.Text.StringBuilder:AppendJoinCore[double](byref,int,double[]):System.Text.StringBuilder:this (FullOpts)
 -2 (-0.82 % of base) : System.Private.CoreLib.dasm - System.Text.StringBuilder:AppendJoinCore[int](byref,int,int[]):System.Text.StringBuilder:this (FullOpts)

Top method regressions (percentages):
 20 (11.30 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[ubyte]:PickPivotAndPartition(System.Span`1[ubyte]):int (FullOpts)
 5 (4.63 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`2[ubyte,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[ubyte],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
 5 (4.50 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`2[short,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[short],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
 4 (3.15 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`2[double,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[double],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
 3 (2.73 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[int]:BinarySearch(int[],int,int,int):int (FullOpts)
 3 (2.73 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[long]:BinarySearch(long[],int,int,long):int (FullOpts)
 2 (1.89 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`2[int,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[int],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
 2 (1.87 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`2[long,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[long],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
 4 (1.85 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[short]:PickPivotAndPartition(System.Span`1[short]):int (FullOpts)

Top method improvements (percentages):
 -43 (-81.13 % of base) : System.Diagnostics.DiagnosticSource.dasm - System.Diagnostics.ActivityCreationOptions`1[System.Numerics.Vector`1[float]]:get_TraceId():System.Diagnostics.ActivityTraceId:this (FullOpts)
 -40 (-80.00 % of base) : System.Diagnostics.DiagnosticSource.dasm - System.Diagnostics.ActivityCreationOptions`1[double]:get_TraceId():System.Diagnostics.ActivityTraceId:this (FullOpts)
 -35 (-77.78 % of base) : System.Diagnostics.DiagnosticSource.dasm - System.Diagnostics.ActivityCreationOptions`1[long]:get_TraceId():System.Diagnostics.ActivityTraceId:this (FullOpts)
 -33 (-76.74 % of base) : System.Diagnostics.DiagnosticSource.dasm - System.Diagnostics.ActivityCreationOptions`1[int]:get_TraceId():System.Diagnostics.ActivityTraceId:this (FullOpts)
 -8 (-38.10 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[int]:SwapIfGreater(byref,byref) (FullOpts)
 -8 (-34.78 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[ubyte]:SwapIfGreater(byref,byref) (FullOpts)
 -5 (-33.33 % of base) : System.Diagnostics.DiagnosticSource.dasm - System.Diagnostics.ActivityCreationOptions`1[short]:get_TraceId():System.Diagnostics.ActivityTraceId:this (FullOpts)
 -5 (-33.33 % of base) : System.Diagnostics.DiagnosticSource.dasm - System.Diagnostics.ActivityCreationOptions`1[ubyte]:get_TraceId():System.Diagnostics.ActivityTraceId:this (FullOpts)
 -8 (-30.77 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[long]:SwapIfGreater(byref,byref) (FullOpts)
 -8 (-29.63 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[short]:SwapIfGreater(byref,byref) (FullOpts)
 -2 (-20.00 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[short]:TryGetValue[int](byref):bool:this (FullOpts)
 -2 (-20.00 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[System.Numerics.Vector`1[float]]:TryGetValue[int](byref):bool:this (FullOpts)
 -2 (-20.00 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[ubyte]:TryGetValue[int](byref):bool:this (FullOpts)
 -8 (-19.51 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[double]:SwapIfGreater(byref,byref) (FullOpts)
 -2 (-18.18 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[short]:TryGetValue[double](byref):bool:this (FullOpts)
 -2 (-18.18 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[short]:TryGetValue[long](byref):bool:this (FullOpts)
 -2 (-18.18 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[short]:TryGetValue[ubyte](byref):bool:this (FullOpts)
 -2 (-18.18 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[System.Numerics.Vector`1[float]]:TryGetValue[double](byref):bool:this (FullOpts)
 -2 (-18.18 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[System.Numerics.Vector`1[float]]:TryGetValue[long](byref):bool:this (FullOpts)
 -2 (-18.18 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[System.Numerics.Vector`1[float]]:TryGetValue[ubyte](byref):bool:this (FullOpts)
 -2 (-18.18 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[ubyte]:TryGetValue[double](byref):bool:this (FullOpts)
 -2 (-18.18 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[ubyte]:TryGetValue[long](byref):bool:this (FullOpts)
 -2 (-15.38 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[System.Numerics.Vector`1[float]]:TryGetValue[short](byref):bool:this (FullOpts)
 -2 (-15.38 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[ubyte]:TryGetValue[short](byref):bool:this (FullOpts)
 -17 (-13.60 % of base) : System.Linq.Expressions.dasm - System.Dynamic.Utils.ContractUtils:RequiresNotNullItems[System.Numerics.Vector`1[float]](System.Collections.Generic.IList`1[System.Numerics.Vector`1[float]],System.String) (FullOpts)
 -2 (-9.09 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[short]:TryGetValue[System.Numerics.Vector`1[float]](byref):bool:this (FullOpts)
 -2 (-9.09 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[ubyte]:TryGetValue[System.Numerics.Vector`1[float]](byref):bool:this (FullOpts)
 -11 (-7.48 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[double]:BinarySearch(double[],int,int,double):int (FullOpts)
 -6 (-6.52 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericEqualityComparer`1[long]:IndexOf(long[],long,int,int):int:this (FullOpts)
 -6 (-6.52 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericEqualityComparer`1[long]:LastIndexOf(long[],long,int,int):int:this (FullOpts)
 -3 (-5.77 % of base) : System.Collections.Concurrent.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[int,System.Nullable`1[int]]:TryRemove(System.Collections.Generic.KeyValuePair`2[int,System.Nullable`1[int]]):bool:this (FullOpts)
 -3 (-5.56 % of base) : System.Collections.Concurrent.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[long,System.Nullable`1[int]]:TryRemove(System.Collections.Generic.KeyValuePair`2[long,System.Nullable`1[int]]):bool:this (FullOpts)
 -3 (-5.08 % of base) : System.Collections.Concurrent.dasm - System.Collections.Concurrent.ConcurrentDictionary`2[double,System.Nullable`1[int]]:TryRemove(System.Collections.Generic.KeyValuePair`2[double,System.Nullable`1[int]]):bool:this (FullOpts)
 -4 (-4.55 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericEqualityComparer`1[int]:IndexOf(int[],int,int,int):int:this (FullOpts)
 -4 (-4.55 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericEqualityComparer`1[int]:LastIndexOf(int[],int,int,int):int:this (FullOpts)
 -6 (-3.26 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[int]:PickPivotAndPartition(System.Span`1[int]):int (FullOpts)
 -2 (-2.25 % of base) : Microsoft.CSharp.dasm - Microsoft.CSharp.RuntimeBinder.Semantics.TypeTable+KeyPair`2[System.Numerics.Vector`1[float],System.Nullable`1[int]]:GetHashCode():int:this (FullOpts)
 -2 (-2.04 % of base) : Microsoft.CSharp.dasm - Microsoft.CSharp.RuntimeBinder.Semantics.TypeTable+KeyPair`2[double,System.Nullable`1[int]]:GetHashCode():int:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[short]:GetValue[double]():double:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[short]:GetValue[int]():int:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[short]:GetValue[long]():long:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[short]:GetValue[System.Numerics.Vector`1[float]]():System.Numerics.Vector`1[float]:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[short]:GetValue[ubyte]():ubyte:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[System.Numerics.Vector`1[float]]:GetValue[double]():double:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[System.Numerics.Vector`1[float]]:GetValue[int]():int:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[System.Numerics.Vector`1[float]]:GetValue[long]():long:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[System.Numerics.Vector`1[float]]:GetValue[short]():short:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[System.Numerics.Vector`1[float]]:GetValue[ubyte]():ubyte:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[ubyte]:GetValue[double]():double:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[ubyte]:GetValue[int]():int:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[ubyte]:GetValue[long]():long:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[ubyte]:GetValue[short]():short:this (FullOpts)
 -2 (-1.83 % of base) : System.Text.Json.dasm - System.Text.Json.Nodes.JsonValue`1[ubyte]:GetValue[System.Numerics.Vector`1[float]]():System.Numerics.Vector`1[float]:this (FullOpts)
 -5 (-1.55 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[int]:IntroSort(System.Span`1[int],int) (FullOpts)
 -3 (-1.51 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[long]:PickPivotAndPartition(System.Span`1[long]):int (FullOpts)
 -5 (-1.50 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[ubyte]:IntroSort(System.Span`1[ubyte],int) (FullOpts)
 -5 (-1.44 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[long]:IntroSort(System.Span`1[long],int) (FullOpts)
 -5 (-1.42 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[short]:IntroSort(System.Span`1[short],int) (FullOpts)
 -37 (-1.30 % of base) : Microsoft.Extensions.Logging.Console.dasm - Microsoft.Extensions.Logging.Console.JsonConsoleFormatter:Write[double](byref,Microsoft.Extensions.Logging.IExternalScopeProvider,System.IO.TextWriter):this (FullOpts)
 -35 (-1.25 % of base) : Microsoft.Extensions.Logging.Console.dasm - Microsoft.Extensions.Logging.Console.JsonConsoleFormatter:Write[long](byref,Microsoft.Extensions.Logging.IExternalScopeProvider,System.IO.TextWriter):this (FullOpts)
 -37 (-1.25 % of base) : Microsoft.Extensions.Logging.Console.dasm - Microsoft.Extensions.Logging.Console.JsonConsoleFormatter:Write[System.Numerics.Vector`1[float]](byref,Microsoft.Extensions.Logging.IExternalScopeProvider,System.IO.TextWriter):this (FullOpts)
 -5 (-1.25 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.GenericArraySortHelper`1[double]:IntroSort(System.Span`1[double],int) (FullOpts)
 -33 (-1.18 % of base) : Microsoft.Extensions.Logging.Console.dasm - Microsoft.Extensions.Logging.Console.JsonConsoleFormatter:Write[int](byref,Microsoft.Extensions.Logging.IExternalScopeProvider,System.IO.TextWriter):this (FullOpts)
 -2 (-0.82 % of base) : System.Private.CoreLib.dasm - System.Text.StringBuilder:AppendJoinCore[int](byref,int,int[]):System.Text.StringBuilder:this (FullOpts)
 -2 (-0.65 % of base) : System.Private.CoreLib.dasm - System.Text.StringBuilder:AppendJoinCore[double](byref,int,double[]):System.Text.StringBuilder:this (FullOpts)
 -3 (-0.18 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.Dictionary`2[long,System.Nullable`1[int]]:OnDeserialization(System.Object):this (FullOpts)
 -3 (-0.18 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.Dictionary`2[short,System.Nullable`1[int]]:OnDeserialization(System.Object):this (FullOpts)
 -3 (-0.18 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.Dictionary`2[ubyte,System.Nullable`1[int]]:OnDeserialization(System.Object):this (FullOpts)
 -2 (-0.12 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.Dictionary`2[int,System.Nullable`1[int]]:OnDeserialization(System.Object):this (FullOpts)
 -2 (-0.12 % of base) : System.Private.CoreLib.dasm - System.Collections.Generic.Dictionary`2[double,System.Nullable`1[int]]:OnDeserialization(System.Object):this (FullOpts)

79 total methods with Code Size differences (70 improved, 9 regressed), 233531 unchanged.

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

Artifacts:

• build-artifacts-main.zip (341 MB)
• build-clr-checked-main.zip (32 MB)
• build-artifacts-pr.zip (341 MB)
• build-clr-checked-pr.zip (32 MB)
• jit-diffs-corelib.zip (45 MB)
• diff-corelib.txt (12 KB)
• diff-frameworks.txt (29 KB)
• jit-diffs-frameworks.zip (249 MB)
• build-logs.txt (1 MB)

[MihuBot]

Top method regressions

20 (11.30 % of base) - System.Collections.Generic.GenericArraySortHelper`1[ubyte]:PickPivotAndPartition(System.Span`1[ubyte]):int

 ; Assembly listing for method System.Collections.Generic.GenericArraySortHelper`1[ubyte]:PickPivotAndPartition(System.Span`1[ubyte]):int (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 7 single block inlinees; 8 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 arg0 [V00 ] ( 0, 0 ) struct (16) zero-ref multireg-arg ld-addr-op single-def <System.Span`1[ubyte]>
-; V01 loc0 [V01,T04] ( 13, 15 ) byref -> rdi single-def
-; V02 loc1 [V02,T09] ( 5, 4 ) byref -> rcx single-def
-; V03 loc2 [V03,T07] ( 7, 6 ) byref -> rax single-def
+; V01 loc0 [V01,T04] ( 12, 14 ) byref -> rdi single-def
+; V02 loc1 [V02,T08] ( 7, 5 ) byref -> rcx single-def
+; V03 loc2 [V03,T07] ( 8, 6.50) byref -> rax single-def
 ; V04 loc3 [V04,T05] ( 9, 11 ) byref -> rcx single-def
 ; V05 loc4 [V05,T06] ( 3, 9 ) ubyte -> rsi ld-addr-op
 ; V06 loc5 [V06,T00] ( 12, 21.50) byref -> rax 
 ; V07 loc6 [V07,T01] ( 8, 18.50) byref -> rdx 
 ;# V08 OutArgs [V08 ] ( 1, 1 ) struct ( 0) [rsp+0x00] do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ; V09 tmp1 [V09,T02] ( 2, 16 ) byref -> rdx "dup spill"
 ; V10 tmp2 [V10,T03] ( 2, 16 ) byref -> rax "dup spill"
 ;* V11 tmp3 [V11 ] ( 0, 0 ) struct (16) zero-ref ld-addr-op "Inlining Arg" <System.Span`1[ubyte]>
-;* V12 tmp4 [V12 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
-; V13 tmp5 [V13,T20] ( 2, 1 ) ubyte -> rdx "Inline stloc first use temp"
-;* V14 tmp6 [V14 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
-; V15 tmp7 [V15,T21] ( 2, 1 ) ubyte -> rdx "Inline stloc first use temp"
+;* V12 tmp4 [V12 ] ( 0, 0 ) int -> zero-ref "spill side effects"
+;* V13 tmp5 [V13 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
+; V14 tmp6 [V14,T17] ( 2, 1 ) ubyte -> rdx "Inline stloc first use temp"
+;* V15 tmp7 [V15 ] ( 0, 0 ) int -> zero-ref "spill side effects"
 ;* V16 tmp8 [V16 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
-; V17 tmp9 [V17,T22] ( 2, 1 ) ubyte -> rdx "Inline stloc first use temp"
-; V18 tmp10 [V18,T19] ( 2, 2 ) ubyte -> rdx "Inline stloc first use temp"
+; V17 tmp9 [V17,T18] ( 2, 1 ) ubyte -> rdx "Inline stloc first use temp"
+;* V18 tmp10 [V18 ] ( 0, 0 ) int -> zero-ref "spill side effects"
 ;* V19 tmp11 [V19 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
-;* V20 tmp12 [V20 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
-; V21 tmp13 [V21,T23] ( 2, 1 ) ubyte -> r8 "Inline stloc first use temp"
-; V22 tmp14 [V22,T24] ( 2, 1 ) ubyte -> rdx "Inline stloc first use temp"
-; V23 tmp15 [V23,T10] ( 2, 2 ) byref -> rdi single-def "field V00._reference (fldOffset=0x0)" P-INDEP
-; V24 tmp16 [V24,T08] ( 3, 3 ) int -> rsi single-def "field V00._length (fldOffset=0x8)" P-INDEP
-;* V25 tmp17 [V25 ] ( 0, 0 ) byref -> zero-ref single-def "field V11._reference (fldOffset=0x0)" P-INDEP
-;* V26 tmp18 [V26 ] ( 0, 0 ) int -> zero-ref "field V11._length (fldOffset=0x8)" P-INDEP
-; V27 cse0 [V27,T11] ( 3, 3 ) int -> rdx "CSE - moderate"
-; V28 cse1 [V28,T13] ( 3, 2.50) int -> rdx "CSE - moderate"
-; V29 cse2 [V29,T14] ( 3, 2.50) int -> r8 "CSE - moderate"
-; V30 cse3 [V30,T15] ( 3, 2.50) int -> rdx "CSE - moderate"
-; V31 cse4 [V31,T16] ( 3, 2.50) int -> r8 "CSE - moderate"
-; V32 cse5 [V32,T17] ( 3, 2.50) int -> rdx "CSE - moderate"
-; V33 cse6 [V33,T18] ( 3, 2.50) int -> r8 "CSE - moderate"
-; V34 cse7 [V34,T12] ( 3, 3 ) int -> rax "CSE - moderate"
+; V20 tmp12 [V20,T19] ( 2, 1 ) ubyte -> rdx "Inline stloc first use temp"
+; V21 tmp13 [V21,T16] ( 2, 2 ) ubyte -> rdx "Inline stloc first use temp"
+;* V22 tmp14 [V22 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
+;* V23 tmp15 [V23 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
+; V24 tmp16 [V24,T20] ( 2, 1 ) ubyte -> r8 "Inline stloc first use temp"
+; V25 tmp17 [V25,T21] ( 2, 1 ) ubyte -> rdx "Inline stloc first use temp"
+; V26 tmp18 [V26,T10] ( 2, 2 ) byref -> rdi single-def "field V00._reference (fldOffset=0x0)" P-INDEP
+; V27 tmp19 [V27,T09] ( 3, 3 ) int -> rsi single-def "field V00._length (fldOffset=0x8)" P-INDEP
+;* V28 tmp20 [V28 ] ( 0, 0 ) byref -> zero-ref single-def "field V11._reference (fldOffset=0x0)" P-INDEP
+;* V29 tmp21 [V29 ] ( 0, 0 ) int -> zero-ref "field V11._length (fldOffset=0x8)" P-INDEP
+; V30 cse0 [V30,T13] ( 3, 2.50) int -> rdx "CSE - moderate"
+; V31 cse1 [V31,T14] ( 3, 2.50) int -> rdx "CSE - moderate"
+; V32 cse2 [V32,T15] ( 3, 2.50) int -> rdx "CSE - moderate"
+; V33 cse3 [V33,T11] ( 3, 3 ) int -> rdx "CSE - moderate"
+; V34 cse4 [V34,T12] ( 3, 3 ) int -> rax "CSE - moderate"
 ;
 ; Lcl frame size = 0
 
 G_M4328_IG01:
 push rbp
 mov rbp, rsp
 						;; size=4 bbWeight=1 PerfScore 1.25
 G_M4328_IG02:
 lea eax, [rsi-0x01]
 movsxd rcx, eax
 add rcx, rdi
 sar eax, 1
 cdqe 
 add rax, rdi
- cmp byte ptr [rdi], dil
 movzx rdx, byte ptr [rdi]
 movzx r8, byte ptr [rax]
 cmp edx, r8d
 jle SHORT G_M4328_IG04
-						;; size=31 bbWeight=1 PerfScore 10.25
+						;; size=28 bbWeight=1 PerfScore 7.25
 G_M4328_IG03:
+ movzx r8, byte ptr [rax]
 mov byte ptr [rdi], r8b
 mov byte ptr [rax], dl
-						;; size=5 bbWeight=0.50 PerfScore 1.00
+						;; size=9 bbWeight=0.50 PerfScore 2.00
 G_M4328_IG04:
 movzx rdx, byte ptr [rdi]
 movzx r8, byte ptr [rcx]
 cmp edx, r8d
 jle SHORT G_M4328_IG06
 						;; size=12 bbWeight=1 PerfScore 5.25
 G_M4328_IG05:
+ movzx r8, byte ptr [rcx]
 mov byte ptr [rdi], r8b
 mov byte ptr [rcx], dl
-						;; size=5 bbWeight=0.50 PerfScore 1.00
+						;; size=9 bbWeight=0.50 PerfScore 2.00
 G_M4328_IG06:
 movzx rdx, byte ptr [rax]
 movzx r8, byte ptr [rcx]
 cmp edx, r8d
 jle SHORT G_M4328_IG08
 						;; size=12 bbWeight=1 PerfScore 5.25
 G_M4328_IG07:
+ movzx r8, byte ptr [rcx]
 mov byte ptr [rax], r8b
 mov byte ptr [rcx], dl
-						;; size=5 bbWeight=0.50 PerfScore 1.00
+						;; size=9 bbWeight=0.50 PerfScore 2.00
 G_M4328_IG08:
 add esi, -2
 movsxd rcx, esi
 add rcx, rdi
 movzx rdx, byte ptr [rax]
 mov esi, edx
 movzx r8, byte ptr [rcx]
 mov byte ptr [rax], r8b
 mov byte ptr [rcx], dl
 mov rax, rdi
 mov rdx, rcx
 cmp rdi, rcx
 jae SHORT G_M4328_IG12
- align [0 bytes for IG09]
-						;; size=34 bbWeight=1 PerfScore 8.75
+ align [11 bytes for IG09]
+						;; size=45 bbWeight=1 PerfScore 9.00
 G_M4328_IG09:
 cmp rax, rcx
 jae SHORT G_M4328_IG10
 inc rax
 cmp sil, byte ptr [rax]
 ja SHORT G_M4328_IG09
 						;; size=13 bbWeight=4 PerfScore 22.00
 G_M4328_IG10:
 cmp rdx, rdi
 jbe SHORT G_M4328_IG11
 dec rdx
 cmp sil, byte ptr [rdx]
 jb SHORT G_M4328_IG10
 						;; size=13 bbWeight=4 PerfScore 22.00
 G_M4328_IG11:
 cmp rax, rdx
 jae SHORT G_M4328_IG12
 movzx r8, byte ptr [rax]
 movzx r9, byte ptr [rdx]
 mov byte ptr [rax], r9b
 mov byte ptr [rdx], r8b
 jmp SHORT G_M4328_IG09
 						;; size=21 bbWeight=0.50 PerfScore 4.62
 G_M4328_IG12:
 cmp rax, rcx
 je SHORT G_M4328_IG14
 						;; size=5 bbWeight=1 PerfScore 1.25
 G_M4328_IG13:
 movzx rdx, byte ptr [rax]
 movzx rsi, byte ptr [rcx]
 mov byte ptr [rax], sil
 mov byte ptr [rcx], dl
 						;; size=12 bbWeight=0.50 PerfScore 3.00
 G_M4328_IG14:
 sub rax, rdi
 						;; size=3 bbWeight=1 PerfScore 0.25
 G_M4328_IG15:
 pop rbp
 ret 
 						;; size=2 bbWeight=1 PerfScore 1.50
 
-; Total bytes of code 177, prolog size 4, PerfScore 106.08, instruction count 66, allocated bytes for code 177 (MethodHash=bb58ef17) for method System.Collections.Generic.GenericArraySortHelper`1[ubyte]:PickPivotAndPartition(System.Span`1[ubyte]):int (FullOpts)
+; Total bytes of code 197, prolog size 4, PerfScore 108.33, instruction count 68, allocated bytes for code 197 (MethodHash=bb58ef17) for method System.Collections.Generic.GenericArraySortHelper`1[ubyte]:PickPivotAndPartition(System.Span`1[ubyte]):int (FullOpts)

5 (4.50 % of base) - System.Collections.Generic.GenericArraySortHelper`2[short,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[short],System.Span`1[System.Nullable`1[int]],int,int)

 ; Assembly listing for method System.Collections.Generic.GenericArraySortHelper`2[short,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[short],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 0 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 arg0 [V00 ] ( 0, 0 ) struct (16) zero-ref multireg-arg ld-addr-op single-def <System.Span`1[short]>
 ;* V01 arg1 [V01 ] ( 0, 0 ) struct (16) zero-ref multireg-arg ld-addr-op single-def <System.Span`1[System.Nullable`1[int]]>
-; V02 arg2 [V02,T00] ( 6, 5 ) int -> r8 single-def
-; V03 arg3 [V03,T01] ( 6, 5 ) int -> r9 single-def
-; V04 loc0 [V04,T07] ( 3, 3 ) byref -> r10 single-def
-; V05 loc1 [V05,T16] ( 2, 1 ) short -> r10 
+; V02 arg2 [V02,T01] ( 6, 5 ) int -> r8 single-def
+; V03 arg3 [V03,T00] ( 7, 5.50) int -> r9 single-def
+; V04 loc0 [V04,T12] ( 2, 2 ) byref -> r10 single-def
+; V05 loc1 [V05,T15] ( 2, 1 ) short -> r10 
 ;* V06 loc2 [V06 ] ( 0, 0 ) struct ( 8) zero-ref <System.Nullable`1[int]>
 ;# V07 OutArgs [V07 ] ( 1, 1 ) struct ( 0) [rsp+0x00] do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
-;* V08 tmp1 [V08 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
-; V09 tmp2 [V09,T06] ( 2, 4 ) byref -> rsi single-def "Inlining Arg"
-; V10 tmp3 [V10,T02] ( 3, 3 ) byref -> rdi single-def "field V00._reference (fldOffset=0x0)" P-INDEP
-; V11 tmp4 [V11,T03] ( 3, 3 ) int -> rsi single-def "field V00._length (fldOffset=0x8)" P-INDEP
-; V12 tmp5 [V12,T04] ( 3, 2 ) byref -> rdx single-def "field V01._reference (fldOffset=0x0)" P-INDEP
-; V13 tmp6 [V13,T05] ( 3, 2 ) int -> rcx single-def "field V01._length (fldOffset=0x8)" P-INDEP
-; V14 tmp7 [V14,T17] ( 2, 1 ) bool -> rsi "field V06.hasValue (fldOffset=0x0)" P-INDEP
-; V15 tmp8 [V15,T18] ( 2, 1 ) int -> rdi "field V06.value (fldOffset=0x4)" P-INDEP
-; V16 tmp9 [V16,T08] ( 3, 3 ) byref -> rdi single-def "BlockOp address local"
-; V17 tmp10 [V17,T09] ( 3, 3 ) byref -> rcx single-def "BlockOp address local"
-; V18 cse0 [V18,T10] ( 3, 2.50) byref -> rdi "CSE - moderate"
-; V19 cse1 [V19,T14] ( 3, 1.50) byref -> rax "CSE - moderate"
-; V20 cse2 [V20,T15] ( 3, 1.50) byref -> rcx "CSE - moderate"
-; V21 cse3 [V21,T11] ( 3, 2.50) byref -> rax "CSE - moderate"
-; V22 cse4 [V22,T12] ( 3, 2.50) int -> rsi "CSE - moderate"
-; V23 cse5 [V23,T13] ( 3, 2.50) int -> r10 "CSE - moderate"
+;* V08 tmp1 [V08 ] ( 0, 0 ) int -> zero-ref "spill side effects"
+;* V09 tmp2 [V09 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
+; V10 tmp3 [V10,T06] ( 2, 4 ) byref -> r11 single-def "Inlining Arg"
+; V11 tmp4 [V11,T02] ( 4, 3.50) byref -> rdi single-def "field V00._reference (fldOffset=0x0)" P-INDEP
+; V12 tmp5 [V12,T03] ( 3, 3 ) int -> rsi single-def "field V00._length (fldOffset=0x8)" P-INDEP
+; V13 tmp6 [V13,T04] ( 3, 2 ) byref -> rdx single-def "field V01._reference (fldOffset=0x0)" P-INDEP
+; V14 tmp7 [V14,T05] ( 3, 2 ) int -> rcx single-def "field V01._length (fldOffset=0x8)" P-INDEP
+; V15 tmp8 [V15,T16] ( 2, 1 ) bool -> rsi "field V06.hasValue (fldOffset=0x0)" P-INDEP
+; V16 tmp9 [V16,T17] ( 2, 1 ) int -> rdi "field V06.value (fldOffset=0x4)" P-INDEP
+; V17 tmp10 [V17,T07] ( 3, 3 ) byref -> rdi single-def "BlockOp address local"
+; V18 tmp11 [V18,T08] ( 3, 3 ) byref -> rcx single-def "BlockOp address local"
+; V19 cse0 [V19,T13] ( 3, 1.50) byref -> rax "CSE - moderate"
+; V20 cse1 [V20,T14] ( 3, 1.50) byref -> rcx "CSE - moderate"
+; V21 cse2 [V21,T09] ( 3, 2.50) byref -> rax "CSE - moderate"
+; V22 cse3 [V22,T10] ( 3, 2.50) byref -> rsi "CSE - moderate"
+; V23 cse4 [V23,T11] ( 3, 2.50) int -> r10 "CSE - moderate"
 ;
 ; Lcl frame size = 0
 
 G_M16236_IG01:
 push rbp
 mov rbp, rsp
 						;; size=4 bbWeight=1 PerfScore 1.25
 G_M16236_IG02:
 cmp r8d, esi
 jae SHORT G_M16236_IG05
 mov eax, r8d
 lea rax, bword ptr [rdi+2*rax]
 mov r10, rax
- cmp byte ptr [r10], r10b
+ movsx r10, word ptr [r10]
 cmp r9d, esi
 jae SHORT G_M16236_IG05
 mov esi, r9d
- lea rdi, bword ptr [rdi+2*rsi]
- mov rsi, rdi
- movsx r10, word ptr [r10]
- movsx rsi, word ptr [rsi]
- cmp r10d, esi
+ lea rsi, bword ptr [rdi+2*rsi]
+ mov r11, rsi
+ movsx r11, word ptr [r11]
+ cmp r10d, r11d
 jle SHORT G_M16236_IG04
-						;; size=46 bbWeight=1 PerfScore 16.75
+						;; size=43 bbWeight=1 PerfScore 13.75
 G_M16236_IG03:
- mov word ptr [rax], si
- mov word ptr [rdi], r10w
+ mov r11d, r9d
+ movsx rdi, word ptr [rdi+2*r11]
+ mov word ptr [rax], di
+ mov word ptr [rsi], r10w
 cmp r8d, ecx
 jae SHORT G_M16236_IG05
 mov eax, r8d
 lea rax, bword ptr [rdx+8*rax]
 mov rdi, rax
 movzx rsi, byte ptr [rdi]
 mov edi, dword ptr [rdi+0x04]
 cmp r9d, ecx
 jae SHORT G_M16236_IG05
 mov ecx, r9d
 lea rcx, bword ptr [rdx+8*rcx]
 mov rdx, qword ptr [rcx]
 mov qword ptr [rax], rdx
 mov byte ptr [rcx], sil
 mov dword ptr [rcx+0x04], edi
-						;; size=53 bbWeight=0.50 PerfScore 7.62
+						;; size=61 bbWeight=0.50 PerfScore 9.75
 G_M16236_IG04:
 pop rbp
 ret 
 						;; size=2 bbWeight=1 PerfScore 1.50
 G_M16236_IG05:
 call CORINFO_HELP_RNGCHKFAIL
 int3 
 						;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 111, prolog size 4, PerfScore 38.23, instruction count 38, allocated bytes for code 111 (MethodHash=ae08c093) for method System.Collections.Generic.GenericArraySortHelper`2[short,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[short],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
+; Total bytes of code 116, prolog size 4, PerfScore 37.85, instruction count 39, allocated bytes for code 116 (MethodHash=ae08c093) for method System.Collections.Generic.GenericArraySortHelper`2[short,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[short],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)

5 (4.63 % of base) - System.Collections.Generic.GenericArraySortHelper`2[ubyte,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[ubyte],System.Span`1[System.Nullable`1[int]],int,int)

 ; Assembly listing for method System.Collections.Generic.GenericArraySortHelper`2[ubyte,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[ubyte],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 0 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 arg0 [V00 ] ( 0, 0 ) struct (16) zero-ref multireg-arg ld-addr-op single-def <System.Span`1[ubyte]>
 ;* V01 arg1 [V01 ] ( 0, 0 ) struct (16) zero-ref multireg-arg ld-addr-op single-def <System.Span`1[System.Nullable`1[int]]>
-; V02 arg2 [V02,T00] ( 6, 5 ) int -> r8 single-def
-; V03 arg3 [V03,T01] ( 6, 5 ) int -> r9 single-def
-; V04 loc0 [V04,T07] ( 3, 3 ) byref -> r10 single-def
-; V05 loc1 [V05,T16] ( 2, 1 ) ubyte -> r10 
+; V02 arg2 [V02,T01] ( 6, 5 ) int -> r8 single-def
+; V03 arg3 [V03,T00] ( 7, 5.50) int -> r9 single-def
+; V04 loc0 [V04,T12] ( 2, 2 ) byref -> r10 single-def
+; V05 loc1 [V05,T15] ( 2, 1 ) ubyte -> r10 
 ;* V06 loc2 [V06 ] ( 0, 0 ) struct ( 8) zero-ref <System.Nullable`1[int]>
 ;# V07 OutArgs [V07 ] ( 1, 1 ) struct ( 0) [rsp+0x00] do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
-;* V08 tmp1 [V08 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
-; V09 tmp2 [V09,T06] ( 2, 4 ) byref -> rsi single-def "Inlining Arg"
-; V10 tmp3 [V10,T02] ( 3, 3 ) byref -> rdi single-def "field V00._reference (fldOffset=0x0)" P-INDEP
-; V11 tmp4 [V11,T03] ( 3, 3 ) int -> rsi single-def "field V00._length (fldOffset=0x8)" P-INDEP
-; V12 tmp5 [V12,T04] ( 3, 2 ) byref -> rdx single-def "field V01._reference (fldOffset=0x0)" P-INDEP
-; V13 tmp6 [V13,T05] ( 3, 2 ) int -> rcx single-def "field V01._length (fldOffset=0x8)" P-INDEP
-; V14 tmp7 [V14,T17] ( 2, 1 ) bool -> rsi "field V06.hasValue (fldOffset=0x0)" P-INDEP
-; V15 tmp8 [V15,T18] ( 2, 1 ) int -> rdi "field V06.value (fldOffset=0x4)" P-INDEP
-; V16 tmp9 [V16,T08] ( 3, 3 ) byref -> rdi single-def "BlockOp address local"
-; V17 tmp10 [V17,T09] ( 3, 3 ) byref -> rcx single-def "BlockOp address local"
-; V18 cse0 [V18,T14] ( 3, 1.50) byref -> rax "CSE - moderate"
-; V19 cse1 [V19,T15] ( 3, 1.50) byref -> rcx "CSE - moderate"
-; V20 cse2 [V20,T10] ( 3, 2.50) byref -> rdi "CSE - moderate"
-; V21 cse3 [V21,T11] ( 3, 2.50) byref -> rax "CSE - moderate"
-; V22 cse4 [V22,T12] ( 3, 2.50) int -> rsi "CSE - moderate"
-; V23 cse5 [V23,T13] ( 3, 2.50) int -> r10 "CSE - moderate"
+;* V08 tmp1 [V08 ] ( 0, 0 ) int -> zero-ref "spill side effects"
+;* V09 tmp2 [V09 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
+; V10 tmp3 [V10,T06] ( 2, 4 ) byref -> r11 single-def "Inlining Arg"
+; V11 tmp4 [V11,T02] ( 4, 3.50) byref -> rdi single-def "field V00._reference (fldOffset=0x0)" P-INDEP
+; V12 tmp5 [V12,T03] ( 3, 3 ) int -> rsi single-def "field V00._length (fldOffset=0x8)" P-INDEP
+; V13 tmp6 [V13,T04] ( 3, 2 ) byref -> rdx single-def "field V01._reference (fldOffset=0x0)" P-INDEP
+; V14 tmp7 [V14,T05] ( 3, 2 ) int -> rcx single-def "field V01._length (fldOffset=0x8)" P-INDEP
+; V15 tmp8 [V15,T16] ( 2, 1 ) bool -> rsi "field V06.hasValue (fldOffset=0x0)" P-INDEP
+; V16 tmp9 [V16,T17] ( 2, 1 ) int -> rdi "field V06.value (fldOffset=0x4)" P-INDEP
+; V17 tmp10 [V17,T07] ( 3, 3 ) byref -> rdi single-def "BlockOp address local"
+; V18 tmp11 [V18,T08] ( 3, 3 ) byref -> rcx single-def "BlockOp address local"
+; V19 cse0 [V19,T13] ( 3, 1.50) byref -> rax "CSE - moderate"
+; V20 cse1 [V20,T14] ( 3, 1.50) byref -> rcx "CSE - moderate"
+; V21 cse2 [V21,T09] ( 3, 2.50) byref -> rax "CSE - moderate"
+; V22 cse3 [V22,T10] ( 3, 2.50) byref -> rsi "CSE - moderate"
+; V23 cse4 [V23,T11] ( 3, 2.50) int -> r10 "CSE - moderate"
 ;
 ; Lcl frame size = 0
 
 G_M52460_IG01:
 push rbp
 mov rbp, rsp
 						;; size=4 bbWeight=1 PerfScore 1.25
 G_M52460_IG02:
 cmp r8d, esi
 jae SHORT G_M52460_IG05
 mov eax, r8d
 add rax, rdi
 mov r10, rax
- cmp byte ptr [r10], r10b
+ movzx r10, byte ptr [r10]
 cmp r9d, esi
 jae SHORT G_M52460_IG05
 mov esi, r9d
- add rdi, rsi
- mov rsi, rdi
- movzx r10, byte ptr [r10]
- movzx rsi, byte ptr [rsi]
- cmp r10d, esi
+ add rsi, rdi
+ mov r11, rsi
+ movzx r11, byte ptr [r11]
+ cmp r10d, r11d
 jle SHORT G_M52460_IG04
-						;; size=44 bbWeight=1 PerfScore 12.25
+						;; size=41 bbWeight=1 PerfScore 9.25
 G_M52460_IG03:
- mov byte ptr [rax], sil
- mov byte ptr [rdi], r10b
+ mov r11d, r9d
+ movzx rdi, byte ptr [rdi+r11]
+ mov byte ptr [rax], dil
+ mov byte ptr [rsi], r10b
 cmp r8d, ecx
 jae SHORT G_M52460_IG05
 mov eax, r8d
 lea rax, bword ptr [rdx+8*rax]
 mov rdi, rax
 movzx rsi, byte ptr [rdi]
 mov edi, dword ptr [rdi+0x04]
 cmp r9d, ecx
 jae SHORT G_M52460_IG05
 mov ecx, r9d
 lea rcx, bword ptr [rdx+8*rcx]
 mov rdx, qword ptr [rcx]
 mov qword ptr [rax], rdx
 mov byte ptr [rcx], sil
 mov dword ptr [rcx+0x04], edi
-						;; size=52 bbWeight=0.50 PerfScore 7.62
+						;; size=60 bbWeight=0.50 PerfScore 8.75
 G_M52460_IG04:
 pop rbp
 ret 
 						;; size=2 bbWeight=1 PerfScore 1.50
 G_M52460_IG05:
 call CORINFO_HELP_RNGCHKFAIL
 int3 
 						;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 108, prolog size 4, PerfScore 33.43, instruction count 38, allocated bytes for code 108 (MethodHash=07733313) for method System.Collections.Generic.GenericArraySortHelper`2[ubyte,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[ubyte],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
+; Total bytes of code 113, prolog size 4, PerfScore 32.05, instruction count 39, allocated bytes for code 113 (MethodHash=07733313) for method System.Collections.Generic.GenericArraySortHelper`2[ubyte,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[ubyte],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)

4 (1.85 % of base) - System.Collections.Generic.GenericArraySortHelper`1[short]:PickPivotAndPartition(System.Span`1[short]):int

 ; Assembly listing for method System.Collections.Generic.GenericArraySortHelper`1[short]:PickPivotAndPartition(System.Span`1[short]):int (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 7 single block inlinees; 8 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 arg0 [V00 ] ( 0, 0 ) struct (16) zero-ref multireg-arg ld-addr-op single-def <System.Span`1[short]>
-; V01 loc0 [V01,T04] ( 13, 15 ) byref -> rdi single-def
-; V02 loc1 [V02,T10] ( 5, 4 ) byref -> rcx single-def
-; V03 loc2 [V03,T07] ( 7, 6 ) byref -> rax single-def
+; V01 loc0 [V01,T04] ( 12, 14 ) byref -> rdi single-def
+; V02 loc1 [V02,T09] ( 7, 5 ) byref -> rcx single-def
+; V03 loc2 [V03,T07] ( 8, 6.50) byref -> rax single-def
 ; V04 loc3 [V04,T05] ( 9, 11 ) byref -> rcx single-def
 ; V05 loc4 [V05,T06] ( 3, 9 ) short -> rsi ld-addr-op
 ; V06 loc5 [V06,T00] ( 12, 21.50) byref -> rax 
 ; V07 loc6 [V07,T01] ( 8, 18.50) byref -> rdx 
 ;# V08 OutArgs [V08 ] ( 1, 1 ) struct ( 0) [rsp+0x00] do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ; V09 tmp1 [V09,T02] ( 2, 16 ) byref -> rdx "dup spill"
 ; V10 tmp2 [V10,T03] ( 2, 16 ) byref -> rax "dup spill"
 ;* V11 tmp3 [V11 ] ( 0, 0 ) struct (16) zero-ref ld-addr-op "Inlining Arg" <System.Span`1[short]>
-;* V12 tmp4 [V12 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
-; V13 tmp5 [V13,T21] ( 2, 1 ) short -> rdx "Inline stloc first use temp"
-;* V14 tmp6 [V14 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
-; V15 tmp7 [V15,T22] ( 2, 1 ) short -> rdx "Inline stloc first use temp"
+;* V12 tmp4 [V12 ] ( 0, 0 ) int -> zero-ref "spill side effects"
+;* V13 tmp5 [V13 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
+; V14 tmp6 [V14,T18] ( 2, 1 ) short -> rdx "Inline stloc first use temp"
+;* V15 tmp7 [V15 ] ( 0, 0 ) int -> zero-ref "spill side effects"
 ;* V16 tmp8 [V16 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
-; V17 tmp9 [V17,T23] ( 2, 1 ) short -> rdx "Inline stloc first use temp"
-; V18 tmp10 [V18,T20] ( 2, 2 ) short -> rdx "Inline stloc first use temp"
+; V17 tmp9 [V17,T19] ( 2, 1 ) short -> rdx "Inline stloc first use temp"
+;* V18 tmp10 [V18 ] ( 0, 0 ) int -> zero-ref "spill side effects"
 ;* V19 tmp11 [V19 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
-;* V20 tmp12 [V20 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
-; V21 tmp13 [V21,T24] ( 2, 1 ) short -> r8 "Inline stloc first use temp"
-; V22 tmp14 [V22,T25] ( 2, 1 ) short -> rdx "Inline stloc first use temp"
-; V23 tmp15 [V23,T11] ( 2, 2 ) byref -> rdi single-def "field V00._reference (fldOffset=0x0)" P-INDEP
-; V24 tmp16 [V24,T09] ( 3, 3 ) int -> rsi single-def "field V00._length (fldOffset=0x8)" P-INDEP
-;* V25 tmp17 [V25 ] ( 0, 0 ) byref -> zero-ref single-def "field V11._reference (fldOffset=0x0)" P-INDEP
-;* V26 tmp18 [V26 ] ( 0, 0 ) int -> zero-ref "field V11._length (fldOffset=0x8)" P-INDEP
-; V27 cse0 [V27,T12] ( 3, 3 ) int -> rdx "CSE - moderate"
-; V28 cse1 [V28,T14] ( 3, 2.50) int -> rdx "CSE - moderate"
-; V29 cse2 [V29,T15] ( 3, 2.50) int -> r8 "CSE - moderate"
-; V30 cse3 [V30,T16] ( 3, 2.50) int -> rdx "CSE - moderate"
-; V31 cse4 [V31,T17] ( 3, 2.50) int -> r8 "CSE - moderate"
-; V32 cse5 [V32,T18] ( 3, 2.50) int -> rdx "CSE - moderate"
-; V33 cse6 [V33,T19] ( 3, 2.50) int -> r8 "CSE - moderate"
-; V34 cse7 [V34,T13] ( 3, 3 ) int -> rax "CSE - moderate"
+; V20 tmp12 [V20,T20] ( 2, 1 ) short -> rdx "Inline stloc first use temp"
+; V21 tmp13 [V21,T17] ( 2, 2 ) short -> rdx "Inline stloc first use temp"
+;* V22 tmp14 [V22 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
+;* V23 tmp15 [V23 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
+; V24 tmp16 [V24,T21] ( 2, 1 ) short -> r8 "Inline stloc first use temp"
+; V25 tmp17 [V25,T22] ( 2, 1 ) short -> rdx "Inline stloc first use temp"
+; V26 tmp18 [V26,T11] ( 2, 2 ) byref -> rdi single-def "field V00._reference (fldOffset=0x0)" P-INDEP
+; V27 tmp19 [V27,T10] ( 3, 3 ) int -> rsi single-def "field V00._length (fldOffset=0x8)" P-INDEP
+;* V28 tmp20 [V28 ] ( 0, 0 ) byref -> zero-ref single-def "field V11._reference (fldOffset=0x0)" P-INDEP
+;* V29 tmp21 [V29 ] ( 0, 0 ) int -> zero-ref "field V11._length (fldOffset=0x8)" P-INDEP
+; V30 cse0 [V30,T14] ( 3, 2.50) int -> rdx "CSE - moderate"
+; V31 cse1 [V31,T15] ( 3, 2.50) int -> rdx "CSE - moderate"
+; V32 cse2 [V32,T16] ( 3, 2.50) int -> rdx "CSE - moderate"
+; V33 cse3 [V33,T12] ( 3, 3 ) int -> rdx "CSE - moderate"
+; V34 cse4 [V34,T13] ( 3, 3 ) int -> rax "CSE - moderate"
 ; V35 rat0 [V35,T08] ( 3, 6 ) long -> rax "ReplaceWithLclVar is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
 G_M19144_IG01:
 push rbp
 mov rbp, rsp
 						;; size=4 bbWeight=1 PerfScore 1.25
 G_M19144_IG02:
 lea eax, [rsi-0x01]
 movsxd rcx, eax
 lea rcx, bword ptr [rdi+2*rcx]
 sar eax, 1
 cdqe 
 lea rax, bword ptr [rdi+2*rax]
- cmp byte ptr [rdi], dil
 movsx rdx, word ptr [rdi]
 movsx r8, word ptr [rax]
 cmp edx, r8d
 jle SHORT G_M19144_IG04
-						;; size=34 bbWeight=1 PerfScore 14.75
+						;; size=31 bbWeight=1 PerfScore 11.75
 G_M19144_IG03:
+ movsx r8, word ptr [rax]
 mov word ptr [rdi], r8w
 mov word ptr [rax], dx
-						;; size=7 bbWeight=0.50 PerfScore 1.00
+						;; size=11 bbWeight=0.50 PerfScore 3.00
 G_M19144_IG04:
 movsx rdx, word ptr [rdi]
 movsx r8, word ptr [rcx]
 cmp edx, r8d
 jle SHORT G_M19144_IG06
 						;; size=13 bbWeight=1 PerfScore 9.25
 G_M19144_IG05:
+ movsx r8, word ptr [rcx]
 mov word ptr [rdi], r8w
 mov word ptr [rcx], dx
-						;; size=7 bbWeight=0.50 PerfScore 1.00
+						;; size=11 bbWeight=0.50 PerfScore 3.00
 G_M19144_IG06:
 movsx rdx, word ptr [rax]
 movsx r8, word ptr [rcx]
 cmp edx, r8d
 jle SHORT G_M19144_IG08
 						;; size=13 bbWeight=1 PerfScore 9.25
 G_M19144_IG07:
+ movsx r8, word ptr [rcx]
 mov word ptr [rax], r8w
 mov word ptr [rcx], dx
-						;; size=7 bbWeight=0.50 PerfScore 1.00
+						;; size=11 bbWeight=0.50 PerfScore 3.00
 G_M19144_IG08:
 add esi, -2
 movsxd rcx, esi
 lea rcx, bword ptr [rdi+2*rcx]
 movsx rdx, word ptr [rax]
 mov esi, edx
 movsx r8, word ptr [rcx]
 mov word ptr [rax], r8w
 mov word ptr [rcx], dx
 mov rax, rdi
 mov rdx, rcx
 cmp rdi, rcx
 jae SHORT G_M19144_IG12
- align [5 bytes for IG09]
-						;; size=43 bbWeight=1 PerfScore 13.25
+ align [0 bytes for IG09]
+						;; size=38 bbWeight=1 PerfScore 13.00
 G_M19144_IG09:
 cmp rax, rcx
 jae SHORT G_M19144_IG10
 add rax, 2
 cmp si, word ptr [rax]
 jg SHORT G_M19144_IG09
 						;; size=14 bbWeight=4 PerfScore 22.00
 G_M19144_IG10:
 cmp rdx, rdi
 jbe SHORT G_M19144_IG11
 add rdx, -2
 cmp si, word ptr [rdx]
 jl SHORT G_M19144_IG10
 						;; size=14 bbWeight=4 PerfScore 22.00
 G_M19144_IG11:
 cmp rax, rdx
 jae SHORT G_M19144_IG12
 movsx r8, word ptr [rax]
 movsx r9, word ptr [rdx]
 mov word ptr [rax], r9w
 mov word ptr [rdx], r8w
 jmp SHORT G_M19144_IG09
 						;; size=23 bbWeight=0.50 PerfScore 6.62
 G_M19144_IG12:
 cmp rax, rcx
 je SHORT G_M19144_IG14
 						;; size=5 bbWeight=1 PerfScore 1.25
 G_M19144_IG13:
 movsx rdx, word ptr [rax]
 movsx rsi, word ptr [rcx]
 mov word ptr [rax], si
 mov word ptr [rcx], dx
 						;; size=14 bbWeight=0.50 PerfScore 5.00
 G_M19144_IG14:
 sub rax, rdi
 mov rcx, rax
 shr rcx, 63
 add rax, rcx
 sar rax, 1
 						;; size=16 bbWeight=1 PerfScore 1.75
 G_M19144_IG15:
 pop rbp
 ret 
 						;; size=2 bbWeight=1 PerfScore 1.50
 
-; Total bytes of code 216, prolog size 4, PerfScore 132.48, instruction count 70, allocated bytes for code 216 (MethodHash=c6e1b537) for method System.Collections.Generic.GenericArraySortHelper`1[short]:PickPivotAndPartition(System.Span`1[short]):int (FullOpts)
+; Total bytes of code 220, prolog size 4, PerfScore 135.63, instruction count 72, allocated bytes for code 220 (MethodHash=c6e1b537) for method System.Collections.Generic.GenericArraySortHelper`1[short]:PickPivotAndPartition(System.Span`1[short]):int (FullOpts)

4 (3.15 % of base) - System.Collections.Generic.GenericArraySortHelper`2[double,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[double],System.Span`1[System.Nullable`1[int]],int,int)

 ; Assembly listing for method System.Collections.Generic.GenericArraySortHelper`2[double,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[double],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 0 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 arg0 [V00 ] ( 0, 0 ) struct (16) zero-ref multireg-arg ld-addr-op single-def <System.Span`1[double]>
 ;* V01 arg1 [V01 ] ( 0, 0 ) struct (16) zero-ref multireg-arg ld-addr-op single-def <System.Span`1[System.Nullable`1[int]]>
-; V02 arg2 [V02,T00] ( 6, 5 ) int -> r8 single-def
-; V03 arg3 [V03,T01] ( 5, 4.50) int -> r9 single-def
-; V04 loc0 [V04,T07] ( 3, 3 ) byref -> r10 single-def
-; V05 loc1 [V05,T20] ( 2, 1 ) double -> mm0 
+; V02 arg2 [V02,T01] ( 6, 5 ) int -> r8 single-def
+; V03 arg3 [V03,T00] ( 7, 5.50) int -> r9 single-def
+; V04 loc0 [V04,T11] ( 2, 2 ) byref -> r10 single-def
+; V05 loc1 [V05,T18] ( 2, 1 ) double -> mm0 
 ;* V06 loc2 [V06 ] ( 0, 0 ) struct ( 8) zero-ref <System.Nullable`1[int]>
 ;# V07 OutArgs [V07 ] ( 1, 1 ) struct ( 0) [rsp+0x00] do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
-; V08 tmp1 [V08,T13] ( 2, 2 ) bool -> r10 "Inline return value spill temp"
-; V09 tmp2 [V09,T06] ( 2, 4 ) byref -> r11 single-def "Inlining Arg"
-; V10 tmp3 [V10,T02] ( 3, 3 ) byref -> rdi single-def "field V00._reference (fldOffset=0x0)" P-INDEP
-; V11 tmp4 [V11,T03] ( 3, 3 ) int -> rsi single-def "field V00._length (fldOffset=0x8)" P-INDEP
-; V12 tmp5 [V12,T04] ( 3, 2 ) byref -> rdx single-def "field V01._reference (fldOffset=0x0)" P-INDEP
-; V13 tmp6 [V13,T05] ( 3, 2 ) int -> rcx single-def "field V01._length (fldOffset=0x8)" P-INDEP
-; V14 tmp7 [V14,T16] ( 2, 1 ) bool -> r8 "field V06.hasValue (fldOffset=0x0)" P-INDEP
-; V15 tmp8 [V15,T17] ( 2, 1 ) int -> rdi "field V06.value (fldOffset=0x4)" P-INDEP
-; V16 tmp9 [V16,T08] ( 3, 3 ) byref -> rdi single-def "BlockOp address local"
-; V17 tmp10 [V17,T09] ( 3, 3 ) byref -> rdx single-def "BlockOp address local"
-; V18 cse0 [V18,T10] ( 3, 2.50) byref -> rdi "CSE - moderate"
-; V19 cse1 [V19,T14] ( 3, 1.50) byref -> rax "CSE - moderate"
-; V20 cse2 [V20,T15] ( 3, 1.50) byref -> rdx "CSE - moderate"
-; V21 cse3 [V21,T11] ( 3, 2.50) byref -> rax "CSE - moderate"
-; V22 cse4 [V22,T18] ( 3, 2.50) double -> mm1 "CSE - moderate"
-; V23 cse5 [V23,T12] ( 3, 2.50) long -> rsi "CSE - moderate"
-; V24 cse6 [V24,T19] ( 3, 2.50) double -> mm0 "CSE - moderate"
+;* V08 tmp1 [V08 ] ( 0, 0 ) double -> zero-ref "spill side effects"
+; V09 tmp2 [V09,T12] ( 2, 2 ) bool -> r10 "Inline return value spill temp"
+; V10 tmp3 [V10,T06] ( 2, 4 ) byref -> r10 single-def "Inlining Arg"
+; V11 tmp4 [V11,T02] ( 4, 3.50) byref -> rdi single-def "field V00._reference (fldOffset=0x0)" P-INDEP
+; V12 tmp5 [V12,T03] ( 3, 3 ) int -> rsi single-def "field V00._length (fldOffset=0x8)" P-INDEP
+; V13 tmp6 [V13,T04] ( 3, 2 ) byref -> rdx single-def "field V01._reference (fldOffset=0x0)" P-INDEP
+; V14 tmp7 [V14,T05] ( 3, 2 ) int -> rcx single-def "field V01._length (fldOffset=0x8)" P-INDEP
+; V15 tmp8 [V15,T15] ( 2, 1 ) bool -> rsi "field V06.hasValue (fldOffset=0x0)" P-INDEP
+; V16 tmp9 [V16,T16] ( 2, 1 ) int -> rdi "field V06.value (fldOffset=0x4)" P-INDEP
+; V17 tmp10 [V17,T07] ( 3, 3 ) byref -> rdi single-def "BlockOp address local"
+; V18 tmp11 [V18,T08] ( 3, 3 ) byref -> rcx single-def "BlockOp address local"
+; V19 cse0 [V19,T13] ( 3, 1.50) byref -> rax "CSE - moderate"
+; V20 cse1 [V20,T14] ( 3, 1.50) byref -> rcx "CSE - moderate"
+; V21 cse2 [V21,T09] ( 3, 2.50) byref -> rax "CSE - moderate"
+; V22 cse3 [V22,T10] ( 3, 2.50) byref -> rsi "CSE - moderate"
+; V23 cse4 [V23,T17] ( 3, 2.50) double -> mm0 "CSE - moderate"
 ;
 ; Lcl frame size = 0
 
 G_M7884_IG01:
 push rbp
 vzeroupper 
 mov rbp, rsp
 						;; size=7 bbWeight=1 PerfScore 2.25
 G_M7884_IG02:
 cmp r8d, esi
 jae SHORT G_M7884_IG05
 mov eax, r8d
 lea rax, bword ptr [rdi+8*rax]
 mov r10, rax
- cmp byte ptr [r10], r10b
+ vmovsd xmm0, qword ptr [r10]
 cmp r9d, esi
 jae SHORT G_M7884_IG05
 mov esi, r9d
- shl rsi, 3
- add rdi, rsi
- mov r11, rdi
- vmovsd xmm0, qword ptr [r10]
- vmovsd xmm1, qword ptr [r11]
- xor r10d, r10d
- vucomisd xmm0, xmm1
+ lea rsi, bword ptr [rdi+8*rsi]
+ mov r10, rsi
+ vucomisd xmm0, qword ptr [r10]
 seta r10b
+ movzx r10, r10b
 test r10d, r10d
 je SHORT G_M7884_IG04
-						;; size=62 bbWeight=1 PerfScore 20.25
+						;; size=53 bbWeight=1 PerfScore 16.00
 G_M7884_IG03:
+ mov r10d, r9d
+ vmovsd xmm1, qword ptr [rdi+8*r10]
 vmovsd qword ptr [rax], xmm1
- vmovsd qword ptr [rdi], xmm0
+ vmovsd qword ptr [rsi], xmm0
 cmp r8d, ecx
 jae SHORT G_M7884_IG05
 mov eax, r8d
 lea rax, bword ptr [rdx+8*rax]
 mov rdi, rax
- movzx r8, byte ptr [rdi]
+ movzx rsi, byte ptr [rdi]
 mov edi, dword ptr [rdi+0x04]
 cmp r9d, ecx
 jae SHORT G_M7884_IG05
- add rdx, rsi
- mov rcx, qword ptr [rdx]
- mov qword ptr [rax], rcx
- mov byte ptr [rdx], r8b
- mov dword ptr [rdx+0x04], edi
-						;; size=50 bbWeight=0.50 PerfScore 8.38
+ mov ecx, r9d
+ lea rcx, bword ptr [rdx+8*rcx]
+ mov rdx, qword ptr [rcx]
+ mov qword ptr [rax], rdx
+ mov byte ptr [rcx], sil
+ mov dword ptr [rcx+0x04], edi
+						;; size=63 bbWeight=0.50 PerfScore 10.75
 G_M7884_IG04:
 pop rbp
 ret 
 						;; size=2 bbWeight=1 PerfScore 1.50
 G_M7884_IG05:
 call CORINFO_HELP_RNGCHKFAIL
 int3 
 						;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 127, prolog size 7, PerfScore 45.08, instruction count 42, allocated bytes for code 127 (MethodHash=bbd8e133) for method System.Collections.Generic.GenericArraySortHelper`2[double,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[double],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
+; Total bytes of code 131, prolog size 7, PerfScore 43.60, instruction count 42, allocated bytes for code 131 (MethodHash=bbd8e133) for method System.Collections.Generic.GenericArraySortHelper`2[double,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[double],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)

3 (2.73 % of base) - System.Collections.Generic.GenericArraySortHelper`1[int]:BinarySearch(int[],int,int,int):int

 ; Assembly listing for method System.Collections.Generic.GenericArraySortHelper`1[int]:BinarySearch(int[],int,int,int):int (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 0 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
-; V00 arg0 [V00,T03] ( 4, 7 ) ref -> rdi class-hnd single-def <int[]>
-; V01 arg1 [V01,T09] ( 3, 3 ) int -> rsi single-def
-; V02 arg2 [V02,T10] ( 3, 3 ) int -> rdx single-def
-; V03 arg3 [V03,T07] ( 4, 8 ) int -> rcx single-def
-; V04 loc0 [V04,T01] ( 8, 17.50) int -> rsi 
-; V05 loc1 [V05,T04] ( 5, 12 ) int -> rax 
-; V06 loc2 [V06,T02] ( 6, 16.50) int -> r8 
-; V07 loc3 [V07,T05] ( 3, 12 ) int -> r10 
+; V00 arg0 [V00,T08] ( 4, 7 ) ref -> rdi class-hnd single-def <int[]>
+; V01 arg1 [V01,T10] ( 3, 3 ) int -> rsi single-def
+; V02 arg2 [V02,T11] ( 3, 3 ) int -> rdx single-def
+; V03 arg3 [V03,T05] ( 4, 8 ) int -> rcx single-def
+; V04 loc0 [V04,T00] ( 8, 17.50) int -> rsi 
+; V05 loc1 [V05,T03] ( 5, 12 ) int -> rax 
+; V06 loc2 [V06,T01] ( 6, 16.50) int -> r8 
+; V07 loc3 [V07,T04] ( 3, 12 ) int -> r10 
 ;# 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 "Single-def Box Helper" <System.Int32>
-; V10 tmp2 [V10,T08] ( 4, 10 ) int -> r10 "Inline return value spill temp"
-; V11 tmp3 [V11,T00] ( 3, 20 ) byref -> r9 "Inlining Arg"
-; V12 cse0 [V12,T11] ( 2, 5 ) int -> rdx "CSE - aggressive"
-; V13 cse1 [V13,T06] ( 2, 8 ) long -> r9 "CSE - aggressive"
+;* V09 tmp1 [V09 ] ( 0, 0 ) int -> zero-ref "spill side effects"
+; V10 tmp2 [V10,T06] ( 4, 10 ) int -> r10 "Inline return value spill temp"
+; V11 tmp3 [V11,T02] ( 2, 16 ) byref -> r9 "Inlining Arg"
+; V12 cse0 [V12,T09] ( 2, 8 ) byref -> r9 "CSE - aggressive"
+; V13 cse1 [V13,T12] ( 2, 5 ) int -> rdx "CSE - moderate"
+; V14 cse2 [V14,T07] ( 3, 10 ) int -> r9 "CSE - aggressive"
 ;
 ; Lcl frame size = 0
 
 G_M16044_IG01:
 push rbp
 mov rbp, rsp
 						;; size=4 bbWeight=1 PerfScore 1.25
 G_M16044_IG02:
 lea eax, [rsi+rdx-0x01]
 cmp esi, eax
 jg SHORT G_M16044_IG11
 mov edx, dword ptr [rdi+0x08]
 align [0 bytes for IG03]
 						;; size=11 bbWeight=1 PerfScore 4.25
 G_M16044_IG03:
 mov r8d, eax
 sub r8d, esi
 sar r8d, 1
 add r8d, esi
 cmp r8d, edx
 jae SHORT G_M16044_IG15
 mov r9d, r8d
 lea r9, bword ptr [rdi+4*r9+0x10]
- cmp dword ptr [r9], ecx
+ mov r9d, dword ptr [r9]
+ cmp r9d, ecx
 jge SHORT G_M16044_IG05
-						;; size=30 bbWeight=4 PerfScore 31.00
+						;; size=33 bbWeight=4 PerfScore 28.00
 G_M16044_IG04:
 mov r10d, -1
 jmp SHORT G_M16044_IG07
 						;; size=8 bbWeight=2 PerfScore 4.50
 G_M16044_IG05:
- cmp dword ptr [r9], ecx
+ cmp r9d, ecx
 jle SHORT G_M16044_IG06
 mov r10d, 1
 jmp SHORT G_M16044_IG07
-						;; size=13 bbWeight=2 PerfScore 12.50
+						;; size=13 bbWeight=2 PerfScore 7.00
 G_M16044_IG06:
 xor r10d, r10d
 						;; size=3 bbWeight=2 PerfScore 0.50
 G_M16044_IG07:
 test r10d, r10d
 je SHORT G_M16044_IG13
 test r10d, r10d
 jge SHORT G_M16044_IG09
 						;; size=10 bbWeight=4 PerfScore 10.00
 G_M16044_IG08:
 lea esi, [r8+0x01]
 jmp SHORT G_M16044_IG10
 						;; size=6 bbWeight=2 PerfScore 5.00
 G_M16044_IG09:
 lea eax, [r8-0x01]
 						;; size=4 bbWeight=2 PerfScore 1.00
 G_M16044_IG10:
 cmp esi, eax
 jle SHORT G_M16044_IG03
 						;; size=4 bbWeight=4 PerfScore 5.00
 G_M16044_IG11:
 mov eax, esi
 not eax
 						;; size=4 bbWeight=0.50 PerfScore 0.25
 G_M16044_IG12:
 pop rbp
 ret 
 						;; size=2 bbWeight=0.50 PerfScore 0.75
 G_M16044_IG13:
 mov eax, r8d
 						;; size=3 bbWeight=0.50 PerfScore 0.12
 G_M16044_IG14:
 pop rbp
 ret 
 						;; size=2 bbWeight=0.50 PerfScore 0.75
 G_M16044_IG15:
 call CORINFO_HELP_RNGCHKFAIL
 int3 
 						;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 110, prolog size 4, PerfScore 87.88, instruction count 42, allocated bytes for code 110 (MethodHash=016bc153) for method System.Collections.Generic.GenericArraySortHelper`1[int]:BinarySearch(int[],int,int,int):int (FullOpts)
+; Total bytes of code 113, prolog size 4, PerfScore 79.68, instruction count 43, allocated bytes for code 113 (MethodHash=016bc153) for method System.Collections.Generic.GenericArraySortHelper`1[int]:BinarySearch(int[],int,int,int):int (FullOpts)

3 (2.73 % of base) - System.Collections.Generic.GenericArraySortHelper`1[long]:BinarySearch(long[],int,int,long):int

 ; Assembly listing for method System.Collections.Generic.GenericArraySortHelper`1[long]:BinarySearch(long[],int,int,long):int (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 0 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
-; V00 arg0 [V00,T03] ( 4, 7 ) ref -> rdi class-hnd single-def <long[]>
-; V01 arg1 [V01,T09] ( 3, 3 ) int -> rsi single-def
-; V02 arg2 [V02,T10] ( 3, 3 ) int -> rdx single-def
-; V03 arg3 [V03,T07] ( 4, 8 ) long -> rcx single-def
-; V04 loc0 [V04,T01] ( 8, 17.50) int -> rsi 
-; V05 loc1 [V05,T04] ( 5, 12 ) int -> rax 
-; V06 loc2 [V06,T02] ( 6, 16.50) int -> r8 
-; V07 loc3 [V07,T05] ( 3, 12 ) int -> r10 
+; V00 arg0 [V00,T08] ( 4, 7 ) ref -> rdi class-hnd single-def <long[]>
+; V01 arg1 [V01,T10] ( 3, 3 ) int -> rsi single-def
+; V02 arg2 [V02,T11] ( 3, 3 ) int -> rdx single-def
+; V03 arg3 [V03,T05] ( 4, 8 ) long -> rcx single-def
+; V04 loc0 [V04,T00] ( 8, 17.50) int -> rsi 
+; V05 loc1 [V05,T03] ( 5, 12 ) int -> rax 
+; V06 loc2 [V06,T01] ( 6, 16.50) int -> r8 
+; V07 loc3 [V07,T04] ( 3, 12 ) int -> r10 
 ;# 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 "Single-def Box Helper" <System.Int64>
-; V10 tmp2 [V10,T08] ( 4, 10 ) int -> r10 "Inline return value spill temp"
-; V11 tmp3 [V11,T00] ( 3, 20 ) byref -> r9 "Inlining Arg"
-; V12 cse0 [V12,T11] ( 2, 5 ) int -> rdx "CSE - aggressive"
-; V13 cse1 [V13,T06] ( 2, 8 ) long -> r9 "CSE - aggressive"
+;* V09 tmp1 [V09 ] ( 0, 0 ) long -> zero-ref "spill side effects"
+; V10 tmp2 [V10,T06] ( 4, 10 ) int -> r10 "Inline return value spill temp"
+; V11 tmp3 [V11,T02] ( 2, 16 ) byref -> r9 "Inlining Arg"
+; V12 cse0 [V12,T09] ( 2, 8 ) byref -> r9 "CSE - aggressive"
+; V13 cse1 [V13,T12] ( 2, 5 ) int -> rdx "CSE - moderate"
+; V14 cse2 [V14,T07] ( 3, 10 ) long -> r9 "CSE - aggressive"
 ;
 ; Lcl frame size = 0
 
 G_M14261_IG01:
 push rbp
 mov rbp, rsp
 						;; size=4 bbWeight=1 PerfScore 1.25
 G_M14261_IG02:
 lea eax, [rsi+rdx-0x01]
 cmp esi, eax
 jg SHORT G_M14261_IG11
 mov edx, dword ptr [rdi+0x08]
 align [0 bytes for IG03]
 						;; size=11 bbWeight=1 PerfScore 4.25
 G_M14261_IG03:
 mov r8d, eax
 sub r8d, esi
 sar r8d, 1
 add r8d, esi
 cmp r8d, edx
 jae SHORT G_M14261_IG15
 mov r9d, r8d
 lea r9, bword ptr [rdi+8*r9+0x10]
- cmp qword ptr [r9], rcx
+ mov r9, qword ptr [r9]
+ cmp r9, rcx
 jge SHORT G_M14261_IG05
-						;; size=30 bbWeight=4 PerfScore 31.00
+						;; size=33 bbWeight=4 PerfScore 28.00
 G_M14261_IG04:
 mov r10d, -1
 jmp SHORT G_M14261_IG07
 						;; size=8 bbWeight=2 PerfScore 4.50
 G_M14261_IG05:
- cmp qword ptr [r9], rcx
+ cmp r9, rcx
 jle SHORT G_M14261_IG06
 mov r10d, 1
 jmp SHORT G_M14261_IG07
-						;; size=13 bbWeight=2 PerfScore 12.50
+						;; size=13 bbWeight=2 PerfScore 7.00
 G_M14261_IG06:
 xor r10d, r10d
 						;; size=3 bbWeight=2 PerfScore 0.50
 G_M14261_IG07:
 test r10d, r10d
 je SHORT G_M14261_IG13
 test r10d, r10d
 jge SHORT G_M14261_IG09
 						;; size=10 bbWeight=4 PerfScore 10.00
 G_M14261_IG08:
 lea esi, [r8+0x01]
 jmp SHORT G_M14261_IG10
 						;; size=6 bbWeight=2 PerfScore 5.00
 G_M14261_IG09:
 lea eax, [r8-0x01]
 						;; size=4 bbWeight=2 PerfScore 1.00
 G_M14261_IG10:
 cmp esi, eax
 jle SHORT G_M14261_IG03
 						;; size=4 bbWeight=4 PerfScore 5.00
 G_M14261_IG11:
 mov eax, esi
 not eax
 						;; size=4 bbWeight=0.50 PerfScore 0.25
 G_M14261_IG12:
 pop rbp
 ret 
 						;; size=2 bbWeight=0.50 PerfScore 0.75
 G_M14261_IG13:
 mov eax, r8d
 						;; size=3 bbWeight=0.50 PerfScore 0.12
 G_M14261_IG14:
 pop rbp
 ret 
 						;; size=2 bbWeight=0.50 PerfScore 0.75
 G_M14261_IG15:
 call CORINFO_HELP_RNGCHKFAIL
 int3 
 						;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 110, prolog size 4, PerfScore 87.88, instruction count 42, allocated bytes for code 110 (MethodHash=639cc84a) for method System.Collections.Generic.GenericArraySortHelper`1[long]:BinarySearch(long[],int,int,long):int (FullOpts)
+; Total bytes of code 113, prolog size 4, PerfScore 79.68, instruction count 43, allocated bytes for code 113 (MethodHash=639cc84a) for method System.Collections.Generic.GenericArraySortHelper`1[long]:BinarySearch(long[],int,int,long):int (FullOpts)

2 (1.89 % of base) - System.Collections.Generic.GenericArraySortHelper`2[int,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[int],System.Span`1[System.Nullable`1[int]],int,int)

 ; Assembly listing for method System.Collections.Generic.GenericArraySortHelper`2[int,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[int],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 0 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 arg0 [V00 ] ( 0, 0 ) struct (16) zero-ref multireg-arg ld-addr-op single-def <System.Span`1[int]>
 ;* V01 arg1 [V01 ] ( 0, 0 ) struct (16) zero-ref multireg-arg ld-addr-op single-def <System.Span`1[System.Nullable`1[int]]>
-; V02 arg2 [V02,T00] ( 6, 5 ) int -> r8 single-def
-; V03 arg3 [V03,T01] ( 6, 5 ) int -> r9 single-def
-; V04 loc0 [V04,T07] ( 3, 3 ) byref -> r10 single-def
-; V05 loc1 [V05,T16] ( 2, 1 ) int -> r10 
+; V02 arg2 [V02,T01] ( 6, 5 ) int -> r8 single-def
+; V03 arg3 [V03,T00] ( 7, 5.50) int -> r9 single-def
+; V04 loc0 [V04,T12] ( 2, 2 ) byref -> r10 single-def
+; V05 loc1 [V05,T15] ( 2, 1 ) int -> r10 
 ;* V06 loc2 [V06 ] ( 0, 0 ) struct ( 8) zero-ref <System.Nullable`1[int]>
 ;# V07 OutArgs [V07 ] ( 1, 1 ) struct ( 0) [rsp+0x00] do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
-;* V08 tmp1 [V08 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
-; V09 tmp2 [V09,T06] ( 2, 4 ) byref -> rsi single-def "Inlining Arg"
-; V10 tmp3 [V10,T02] ( 3, 3 ) byref -> rdi single-def "field V00._reference (fldOffset=0x0)" P-INDEP
-; V11 tmp4 [V11,T03] ( 3, 3 ) int -> rsi single-def "field V00._length (fldOffset=0x8)" P-INDEP
-; V12 tmp5 [V12,T04] ( 3, 2 ) byref -> rdx single-def "field V01._reference (fldOffset=0x0)" P-INDEP
-; V13 tmp6 [V13,T05] ( 3, 2 ) int -> rcx single-def "field V01._length (fldOffset=0x8)" P-INDEP
-; V14 tmp7 [V14,T17] ( 2, 1 ) bool -> rsi "field V06.hasValue (fldOffset=0x0)" P-INDEP
-; V15 tmp8 [V15,T18] ( 2, 1 ) int -> rdi "field V06.value (fldOffset=0x4)" P-INDEP
-; V16 tmp9 [V16,T08] ( 3, 3 ) byref -> rdi single-def "BlockOp address local"
-; V17 tmp10 [V17,T09] ( 3, 3 ) byref -> rcx single-def "BlockOp address local"
-; V18 cse0 [V18,T10] ( 3, 2.50) byref -> rdi "CSE - moderate"
-; V19 cse1 [V19,T14] ( 3, 1.50) byref -> rax "CSE - moderate"
-; V20 cse2 [V20,T15] ( 3, 1.50) byref -> rcx "CSE - moderate"
-; V21 cse3 [V21,T11] ( 3, 2.50) byref -> rax "CSE - moderate"
-; V22 cse4 [V22,T12] ( 3, 2.50) int -> rsi "CSE - moderate"
-; V23 cse5 [V23,T13] ( 3, 2.50) int -> r10 "CSE - moderate"
+;* V08 tmp1 [V08 ] ( 0, 0 ) int -> zero-ref "spill side effects"
+;* V09 tmp2 [V09 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
+; V10 tmp3 [V10,T06] ( 2, 4 ) byref -> r11 single-def "Inlining Arg"
+; V11 tmp4 [V11,T02] ( 4, 3.50) byref -> rdi single-def "field V00._reference (fldOffset=0x0)" P-INDEP
+; V12 tmp5 [V12,T03] ( 3, 3 ) int -> rsi single-def "field V00._length (fldOffset=0x8)" P-INDEP
+; V13 tmp6 [V13,T04] ( 3, 2 ) byref -> rdx single-def "field V01._reference (fldOffset=0x0)" P-INDEP
+; V14 tmp7 [V14,T05] ( 3, 2 ) int -> rcx single-def "field V01._length (fldOffset=0x8)" P-INDEP
+; V15 tmp8 [V15,T16] ( 2, 1 ) bool -> rsi "field V06.hasValue (fldOffset=0x0)" P-INDEP
+; V16 tmp9 [V16,T17] ( 2, 1 ) int -> rdi "field V06.value (fldOffset=0x4)" P-INDEP
+; V17 tmp10 [V17,T07] ( 3, 3 ) byref -> rdi single-def "BlockOp address local"
+; V18 tmp11 [V18,T08] ( 3, 3 ) byref -> rcx single-def "BlockOp address local"
+; V19 cse0 [V19,T13] ( 3, 1.50) byref -> rax "CSE - moderate"
+; V20 cse1 [V20,T14] ( 3, 1.50) byref -> rcx "CSE - moderate"
+; V21 cse2 [V21,T09] ( 3, 2.50) byref -> rax "CSE - moderate"
+; V22 cse3 [V22,T10] ( 3, 2.50) byref -> rsi "CSE - moderate"
+; V23 cse4 [V23,T11] ( 3, 2.50) int -> r10 "CSE - moderate"
 ;
 ; Lcl frame size = 0
 
 G_M61420_IG01:
 push rbp
 mov rbp, rsp
 						;; size=4 bbWeight=1 PerfScore 1.25
 G_M61420_IG02:
 cmp r8d, esi
 jae SHORT G_M61420_IG05
 mov eax, r8d
 lea rax, bword ptr [rdi+4*rax]
 mov r10, rax
- cmp byte ptr [r10], r10b
+ mov r10d, dword ptr [r10]
 cmp r9d, esi
 jae SHORT G_M61420_IG05
 mov esi, r9d
- lea rdi, bword ptr [rdi+4*rsi]
- mov rsi, rdi
- mov r10d, dword ptr [r10]
- mov esi, dword ptr [rsi]
- cmp r10d, esi
+ lea rsi, bword ptr [rdi+4*rsi]
+ mov r11, rsi
+ cmp r10d, dword ptr [r11]
 jle SHORT G_M61420_IG04
-						;; size=43 bbWeight=1 PerfScore 12.75
+						;; size=38 bbWeight=1 PerfScore 10.50
 G_M61420_IG03:
- mov dword ptr [rax], esi
- mov dword ptr [rdi], r10d
+ mov r11d, r9d
+ mov edi, dword ptr [rdi+4*r11]
+ mov dword ptr [rax], edi
+ mov dword ptr [rsi], r10d
 cmp r8d, ecx
 jae SHORT G_M61420_IG05
 mov eax, r8d
 lea rax, bword ptr [rdx+8*rax]
 mov rdi, rax
 movzx rsi, byte ptr [rdi]
 mov edi, dword ptr [rdi+0x04]
 cmp r9d, ecx
 jae SHORT G_M61420_IG05
 mov ecx, r9d
 lea rcx, bword ptr [rdx+8*rcx]
 mov rdx, qword ptr [rcx]
 mov qword ptr [rax], rdx
 mov byte ptr [rcx], sil
 mov dword ptr [rcx+0x04], edi
-						;; size=51 bbWeight=0.50 PerfScore 7.62
+						;; size=58 bbWeight=0.50 PerfScore 8.75
 G_M61420_IG04:
 pop rbp
 ret 
 						;; size=2 bbWeight=1 PerfScore 1.50
 G_M61420_IG05:
 call CORINFO_HELP_RNGCHKFAIL
 int3 
 						;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 106, prolog size 4, PerfScore 33.73, instruction count 38, allocated bytes for code 106 (MethodHash=b1211013) for method System.Collections.Generic.GenericArraySortHelper`2[int,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[int],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)
+; Total bytes of code 108, prolog size 4, PerfScore 32.80, instruction count 38, allocated bytes for code 108 (MethodHash=b1211013) for method System.Collections.Generic.GenericArraySortHelper`2[int,System.Nullable`1[int]]:SwapIfGreaterWithValues(System.Span`1[int],System.Span`1[System.Nullable`1[int]],int,int) (FullOpts)

Larger list of diffs: https://gist.github.com/MihuBot/02050b5a70857bba9937d0867e39559c

[MihuBot]

Top method improvements

-11 (-7.48 % of base) - System.Collections.Generic.GenericArraySortHelper`1[double]:BinarySearch(double[],int,int,double):int

 ; Assembly listing for method System.Collections.Generic.GenericArraySortHelper`1[double]:BinarySearch(double[],int,int,double):int (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 2 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
-; V00 arg0 [V00,T04] ( 4, 7 ) ref -> rdi class-hnd single-def <double[]>
+; V00 arg0 [V00,T06] ( 4, 7 ) ref -> rdi class-hnd single-def <double[]>
 ; V01 arg1 [V01,T08] ( 3, 3 ) int -> rsi single-def
 ; V02 arg2 [V02,T09] ( 3, 3 ) int -> rdx single-def
 ; V03 arg3 [V03,T12] ( 7,294 ) double -> mm0 single-def
-; V04 loc0 [V04,T02] ( 8, 17.50) int -> rsi 
-; V05 loc1 [V05,T05] ( 5, 12 ) int -> rax 
-; V06 loc2 [V06,T03] ( 6, 16.50) int -> rdx 
-; V07 loc3 [V07,T06] ( 3, 12 ) int -> r9 
+; V04 loc0 [V04,T01] ( 8, 17.50) int -> rsi 
+; V05 loc1 [V05,T04] ( 5, 12 ) int -> rax 
+; V06 loc2 [V06,T02] ( 6, 16.50) int -> rdx 
+; V07 loc3 [V07,T05] ( 3, 12 ) int -> r8 
 ;# 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 "Single-def Box Helper" <System.Double>
-; V10 tmp2 [V10,T01] ( 4, 46 ) int -> r9 "Inline return value spill temp"
-; V11 tmp3 [V11,T00] ( 5,336 ) byref -> r8 "Inlining Arg"
+;* V09 tmp1 [V09 ] ( 0, 0 ) double -> zero-ref "spill side effects"
+; V10 tmp2 [V10,T00] ( 4, 46 ) int -> r8 "Inline return value spill temp"
+; V11 tmp3 [V11,T03] ( 2, 16 ) byref -> r8 "Inlining Arg"
 ; V12 tmp4 [V12,T11] ( 3,768 ) double -> mm1 "Inlining Arg"
-; V13 cse0 [V13,T10] ( 2, 5 ) int -> rcx "CSE - aggressive"
-; V14 cse1 [V14,T07] ( 2, 8 ) long -> r8 "CSE - aggressive"
+; V13 cse0 [V13,T07] ( 2, 8 ) byref -> r8 "CSE - aggressive"
+; V14 cse1 [V14,T13] ( 5,168 ) double -> mm1 "CSE - aggressive"
+; V15 cse2 [V15,T10] ( 2, 5 ) int -> rcx "CSE - aggressive"
 ;
 ; Lcl frame size = 0
 
 G_M2442_IG01:
 push rbp
 vzeroupper 
 mov rbp, rsp
 						;; size=7 bbWeight=1 PerfScore 2.25
 G_M2442_IG02:
 lea eax, [rsi+rdx-0x01]
 cmp esi, eax
 jg SHORT G_M2442_IG15
 mov ecx, dword ptr [rdi+0x08]
 align [0 bytes for IG03]
 						;; size=11 bbWeight=1 PerfScore 4.25
 G_M2442_IG03:
 mov edx, eax
 sub edx, esi
 sar edx, 1
 add edx, esi
 cmp edx, ecx
 jae SHORT G_M2442_IG19
 mov r8d, edx
 lea r8, bword ptr [rdi+8*r8+0x10]
- vucomisd xmm0, qword ptr [r8]
+ vmovsd xmm1, qword ptr [r8]
+ vucomisd xmm0, xmm1
 jbe SHORT G_M2442_IG05
-						;; size=27 bbWeight=4 PerfScore 39.00
+						;; size=31 bbWeight=4 PerfScore 43.00
 G_M2442_IG04:
- mov r9d, -1
+ mov r8d, -1
 jmp SHORT G_M2442_IG11
 						;; size=8 bbWeight=8 PerfScore 18.00
 G_M2442_IG05:
- vmovsd xmm1, qword ptr [r8]
 vucomisd xmm1, xmm0
 ja SHORT G_M2442_IG10
- vmovsd xmm1, qword ptr [r8]
 vucomisd xmm1, xmm0
 jp SHORT G_M2442_IG07
 jne SHORT G_M2442_IG07
-						;; size=24 bbWeight=16 PerfScore 240.00
+						;; size=14 bbWeight=16 PerfScore 112.00
 G_M2442_IG06:
- xor r9d, r9d
+ xor r8d, r8d
 jmp SHORT G_M2442_IG11
 						;; size=5 bbWeight=32 PerfScore 72.00
 G_M2442_IG07:
- vmovsd xmm1, qword ptr [r8]
 vucomisd xmm1, xmm1
 jp SHORT G_M2442_IG08
 je SHORT G_M2442_IG10
-						;; size=13 bbWeight=128 PerfScore 1024.00
+						;; size=8 bbWeight=128 PerfScore 512.00
 G_M2442_IG08:
 vucomisd xmm0, xmm0
 jp SHORT G_M2442_IG06
 						;; size=6 bbWeight=128 PerfScore 384.00
 G_M2442_IG09:
 jmp SHORT G_M2442_IG04
 						;; size=2 bbWeight=16 PerfScore 32.00
 G_M2442_IG10:
- mov r9d, 1
+ mov r8d, 1
 						;; size=6 bbWeight=2 PerfScore 0.50
 G_M2442_IG11:
- test r9d, r9d
+ test r8d, r8d
 je SHORT G_M2442_IG17
- test r9d, r9d
+ test r8d, r8d
 jge SHORT G_M2442_IG13
 						;; size=10 bbWeight=4 PerfScore 10.00
 G_M2442_IG12:
 lea esi, [rdx+0x01]
 jmp SHORT G_M2442_IG14
 						;; size=5 bbWeight=2 PerfScore 5.00
 G_M2442_IG13:
 lea eax, [rdx-0x01]
 						;; size=3 bbWeight=2 PerfScore 1.00
 G_M2442_IG14:
 cmp esi, eax
 jle SHORT G_M2442_IG03
 						;; size=4 bbWeight=4 PerfScore 5.00
 G_M2442_IG15:
 mov eax, esi
 not eax
 						;; size=4 bbWeight=0.50 PerfScore 0.25
 G_M2442_IG16:
 pop rbp
 ret 
 						;; size=2 bbWeight=0.50 PerfScore 0.75
 G_M2442_IG17:
 mov eax, edx
 						;; size=2 bbWeight=0.50 PerfScore 0.12
 G_M2442_IG18:
 pop rbp
 ret 
 						;; size=2 bbWeight=0.50 PerfScore 0.75
 G_M2442_IG19:
 call CORINFO_HELP_RNGCHKFAIL
 int3 
 						;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 147, prolog size 7, PerfScore 1853.98, instruction count 55, allocated bytes for code 151 (MethodHash=1ab8f675) for method System.Collections.Generic.GenericArraySortHelper`1[double]:BinarySearch(double[],int,int,double):int (FullOpts)
+; Total bytes of code 136, prolog size 7, PerfScore 1216.48, instruction count 53, allocated bytes for code 136 (MethodHash=1ab8f675) for method System.Collections.Generic.GenericArraySortHelper`1[double]:BinarySearch(double[],int,int,double):int (FullOpts)

-8 (-19.51 % of base) - System.Collections.Generic.GenericArraySortHelper`1[double]:SwapIfGreater(byref,byref)

 ; Assembly listing for method System.Collections.Generic.GenericArraySortHelper`1[double]:SwapIfGreater(byref,byref) (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX - Unix
 ; FullOpts code
 ; optimized code
-; rbp based frame
+; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 1 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
-; V00 arg0 [V00,T00] ( 5, 4.50) byref -> rdi single-def
+; V00 arg0 [V00,T00] ( 4, 3.50) byref -> rdi single-def
 ; V01 arg1 [V01,T01] ( 4, 3.50) byref -> rsi single-def
 ;# V02 OutArgs [V02 ] ( 1, 1 ) struct ( 0) [rsp+0x00] do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
-; V03 tmp1 [V03,T02] ( 2, 2 ) bool -> rax "Inline return value spill temp"
-; V04 tmp2 [V04,T05] ( 2, 1 ) double -> mm0 "Inline stloc first use temp"
-; V05 cse0 [V05,T03] ( 3, 2.50) double -> mm0 "CSE - moderate"
-; V06 cse1 [V06,T04] ( 3, 2.50) double -> mm1 "CSE - moderate"
+;* V03 tmp1 [V03 ] ( 0, 0 ) double -> zero-ref "spill side effects"
+; V04 tmp2 [V04,T02] ( 2, 2 ) bool -> rax "Inline return value spill temp"
+; V05 tmp3 [V05,T05] ( 2, 1 ) double -> mm0 "Inline stloc first use temp"
+; V06 cse0 [V06,T03] ( 3, 2.50) double -> mm0 "CSE - aggressive"
+; V07 cse1 [V07,T04] ( 3, 2.50) double -> mm1 "CSE - aggressive"
 ;
 ; Lcl frame size = 0
 
 G_M58476_IG01:
- push rbp
 vzeroupper 
- mov rbp, rsp
-						;; size=7 bbWeight=1 PerfScore 2.25
+						;; size=3 bbWeight=1 PerfScore 1.00
 G_M58476_IG02:
- cmp byte ptr [rdi], dil
 vmovsd xmm0, qword ptr [rdi]
 vmovsd xmm1, qword ptr [rsi]
 xor eax, eax
 vucomisd xmm0, xmm1
 seta al
 test eax, eax
 je SHORT G_M58476_IG04
-						;; size=24 bbWeight=1 PerfScore 15.50
+						;; size=21 bbWeight=1 PerfScore 12.50
 G_M58476_IG03:
 vmovsd qword ptr [rdi], xmm1
 vmovsd qword ptr [rsi], xmm0
 						;; size=8 bbWeight=0.50 PerfScore 2.00
 G_M58476_IG04:
- pop rbp
 ret 
-						;; size=2 bbWeight=1 PerfScore 1.50
+						;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 41, prolog size 7, PerfScore 25.35, instruction count 15, allocated bytes for code 41 (MethodHash=58fc1b93) for method System.Collections.Generic.GenericArraySortHelper`1[double]:SwapIfGreater(byref,byref) (FullOpts)
+; Total bytes of code 33, prolog size 3, PerfScore 19.80, instruction count 11, allocated bytes for code 33 (MethodHash=58fc1b93) for method System.Collections.Generic.GenericArraySortHelper`1[double]:SwapIfGreater(byref,byref) (FullOpts)

-8 (-38.10 % of base) - System.Collections.Generic.GenericArraySortHelper`1[int]:SwapIfGreater(byref,byref)

 ; Assembly listing for method System.Collections.Generic.GenericArraySortHelper`1[int]:SwapIfGreater(byref,byref) (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX - Unix
 ; FullOpts code
 ; optimized code
-; rbp based frame
+; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 1 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
-; V00 arg0 [V00,T00] ( 5, 4.50) byref -> rdi single-def
+; V00 arg0 [V00,T00] ( 4, 3.50) byref -> rdi single-def
 ; V01 arg1 [V01,T01] ( 4, 3.50) byref -> rsi single-def
 ;# V02 OutArgs [V02 ] ( 1, 1 ) struct ( 0) [rsp+0x00] do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
-;* V03 tmp1 [V03 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
-; V04 tmp2 [V04,T04] ( 2, 1 ) int -> rax "Inline stloc first use temp"
-; V05 cse0 [V05,T02] ( 3, 2.50) int -> rax "CSE - moderate"
-; V06 cse1 [V06,T03] ( 3, 2.50) int -> rcx "CSE - moderate"
+;* V03 tmp1 [V03 ] ( 0, 0 ) int -> zero-ref "spill side effects"
+;* V04 tmp2 [V04 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
+; V05 tmp3 [V05,T04] ( 2, 1 ) int -> rax "Inline stloc first use temp"
+; V06 cse0 [V06,T02] ( 3, 2.50) int -> rax "CSE - aggressive"
+; V07 cse1 [V07,T03] ( 3, 2.50) int -> rcx "CSE - aggressive"
 ;
 ; Lcl frame size = 0
 
 G_M6570_IG01:
- push rbp
- mov rbp, rsp
-						;; size=4 bbWeight=1 PerfScore 1.25
+						;; size=0 bbWeight=1 PerfScore 0.00
 G_M6570_IG02:
- cmp byte ptr [rdi], dil
 mov eax, dword ptr [rdi]
 mov ecx, dword ptr [rsi]
 cmp eax, ecx
 jle SHORT G_M6570_IG04
-						;; size=11 bbWeight=1 PerfScore 8.25
+						;; size=8 bbWeight=1 PerfScore 5.25
 G_M6570_IG03:
 mov dword ptr [rdi], ecx
 mov dword ptr [rsi], eax
 						;; size=4 bbWeight=0.50 PerfScore 1.00
 G_M6570_IG04:
- pop rbp
 ret 
-						;; size=2 bbWeight=1 PerfScore 1.50
+						;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 21, prolog size 4, PerfScore 14.10, instruction count 11, allocated bytes for code 21 (MethodHash=6e58e655) for method System.Collections.Generic.GenericArraySortHelper`1[int]:SwapIfGreater(byref,byref) (FullOpts)
+; Total bytes of code 13, prolog size 0, PerfScore 8.55, instruction count 7, allocated bytes for code 13 (MethodHash=6e58e655) for method System.Collections.Generic.GenericArraySortHelper`1[int]:SwapIfGreater(byref,byref) (FullOpts)

-8 (-30.77 % of base) - System.Collections.Generic.GenericArraySortHelper`1[long]:SwapIfGreater(byref,byref)

 ; Assembly listing for method System.Collections.Generic.GenericArraySortHelper`1[long]:SwapIfGreater(byref,byref) (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX - Unix
 ; FullOpts code
 ; optimized code
-; rbp based frame
+; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 1 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
-; V00 arg0 [V00,T00] ( 5, 4.50) byref -> rdi single-def
+; V00 arg0 [V00,T00] ( 4, 3.50) byref -> rdi single-def
 ; V01 arg1 [V01,T01] ( 4, 3.50) byref -> rsi single-def
 ;# V02 OutArgs [V02 ] ( 1, 1 ) struct ( 0) [rsp+0x00] do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
-;* V03 tmp1 [V03 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
-; V04 tmp2 [V04,T04] ( 2, 1 ) long -> rax "Inline stloc first use temp"
-; V05 cse0 [V05,T02] ( 3, 2.50) long -> rax "CSE - moderate"
-; V06 cse1 [V06,T03] ( 3, 2.50) long -> rcx "CSE - moderate"
+;* V03 tmp1 [V03 ] ( 0, 0 ) long -> zero-ref "spill side effects"
+;* V04 tmp2 [V04 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
+; V05 tmp3 [V05,T04] ( 2, 1 ) long -> rax "Inline stloc first use temp"
+; V06 cse0 [V06,T02] ( 3, 2.50) long -> rax "CSE - aggressive"
+; V07 cse1 [V07,T03] ( 3, 2.50) long -> rcx "CSE - aggressive"
 ;
 ; Lcl frame size = 0
 
 G_M34003_IG01:
- push rbp
- mov rbp, rsp
-						;; size=4 bbWeight=1 PerfScore 1.25
+						;; size=0 bbWeight=1 PerfScore 0.00
 G_M34003_IG02:
- cmp byte ptr [rdi], dil
 mov rax, qword ptr [rdi]
 mov rcx, qword ptr [rsi]
 cmp rax, rcx
 jle SHORT G_M34003_IG04
-						;; size=14 bbWeight=1 PerfScore 8.25
+						;; size=11 bbWeight=1 PerfScore 5.25
 G_M34003_IG03:
 mov qword ptr [rdi], rcx
 mov qword ptr [rsi], rax
 						;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M34003_IG04:
- pop rbp
 ret 
-						;; size=2 bbWeight=1 PerfScore 1.50
+						;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 26, prolog size 4, PerfScore 14.60, instruction count 11, allocated bytes for code 26 (MethodHash=5a787b2c) for method System.Collections.Generic.GenericArraySortHelper`1[long]:SwapIfGreater(byref,byref) (FullOpts)
+; Total bytes of code 18, prolog size 0, PerfScore 9.05, instruction count 7, allocated bytes for code 18 (MethodHash=5a787b2c) for method System.Collections.Generic.GenericArraySortHelper`1[long]:SwapIfGreater(byref,byref) (FullOpts)

-8 (-29.63 % of base) - System.Collections.Generic.GenericArraySortHelper`1[short]:SwapIfGreater(byref,byref)

 ; Assembly listing for method System.Collections.Generic.GenericArraySortHelper`1[short]:SwapIfGreater(byref,byref) (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX - Unix
 ; FullOpts code
 ; optimized code
-; rbp based frame
+; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 1 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
-; V00 arg0 [V00,T00] ( 5, 4.50) byref -> rdi single-def
+; V00 arg0 [V00,T00] ( 4, 3.50) byref -> rdi single-def
 ; V01 arg1 [V01,T01] ( 4, 3.50) byref -> rsi single-def
 ;# V02 OutArgs [V02 ] ( 1, 1 ) struct ( 0) [rsp+0x00] do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
-;* V03 tmp1 [V03 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
-; V04 tmp2 [V04,T04] ( 2, 1 ) short -> rax "Inline stloc first use temp"
-; V05 cse0 [V05,T02] ( 3, 2.50) int -> rax "CSE - moderate"
-; V06 cse1 [V06,T03] ( 3, 2.50) int -> rcx "CSE - moderate"
+;* V03 tmp1 [V03 ] ( 0, 0 ) int -> zero-ref "spill side effects"
+;* V04 tmp2 [V04 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
+; V05 tmp3 [V05,T04] ( 2, 1 ) short -> rax "Inline stloc first use temp"
+; V06 cse0 [V06,T02] ( 3, 2.50) int -> rax "CSE - aggressive"
+; V07 cse1 [V07,T03] ( 3, 2.50) int -> rcx "CSE - aggressive"
 ;
 ; Lcl frame size = 0
 
 G_M13867_IG01:
- push rbp
- mov rbp, rsp
-						;; size=4 bbWeight=1 PerfScore 1.25
+						;; size=0 bbWeight=1 PerfScore 0.00
 G_M13867_IG02:
- cmp byte ptr [rdi], dil
 movsx rax, word ptr [rdi]
 movsx rcx, word ptr [rsi]
 cmp eax, ecx
 jle SHORT G_M13867_IG04
-						;; size=15 bbWeight=1 PerfScore 12.25
+						;; size=12 bbWeight=1 PerfScore 9.25
 G_M13867_IG03:
 mov word ptr [rdi], cx
 mov word ptr [rsi], ax
 						;; size=6 bbWeight=0.50 PerfScore 1.00
 G_M13867_IG04:
- pop rbp
 ret 
-						;; size=2 bbWeight=1 PerfScore 1.50
+						;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 27, prolog size 4, PerfScore 18.70, instruction count 11, allocated bytes for code 27 (MethodHash=c904c9d4) for method System.Collections.Generic.GenericArraySortHelper`1[short]:SwapIfGreater(byref,byref) (FullOpts)
+; Total bytes of code 19, prolog size 0, PerfScore 13.15, instruction count 7, allocated bytes for code 19 (MethodHash=c904c9d4) for method System.Collections.Generic.GenericArraySortHelper`1[short]:SwapIfGreater(byref,byref) (FullOpts)

-8 (-34.78 % of base) - System.Collections.Generic.GenericArraySortHelper`1[ubyte]:SwapIfGreater(byref,byref)

 ; Assembly listing for method System.Collections.Generic.GenericArraySortHelper`1[ubyte]:SwapIfGreater(byref,byref) (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX - Unix
 ; FullOpts code
 ; optimized code
-; rbp based frame
+; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 1 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
-; V00 arg0 [V00,T00] ( 5, 4.50) byref -> rdi single-def
+; V00 arg0 [V00,T00] ( 4, 3.50) byref -> rdi single-def
 ; V01 arg1 [V01,T01] ( 4, 3.50) byref -> rsi single-def
 ;# V02 OutArgs [V02 ] ( 1, 1 ) struct ( 0) [rsp+0x00] do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
-;* V03 tmp1 [V03 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
-; V04 tmp2 [V04,T04] ( 2, 1 ) ubyte -> rax "Inline stloc first use temp"
-; V05 cse0 [V05,T02] ( 3, 2.50) int -> rax "CSE - moderate"
-; V06 cse1 [V06,T03] ( 3, 2.50) int -> rcx "CSE - moderate"
+;* V03 tmp1 [V03 ] ( 0, 0 ) int -> zero-ref "spill side effects"
+;* V04 tmp2 [V04 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
+; V05 tmp3 [V05,T04] ( 2, 1 ) ubyte -> rax "Inline stloc first use temp"
+; V06 cse0 [V06,T02] ( 3, 2.50) int -> rax "CSE - aggressive"
+; V07 cse1 [V07,T03] ( 3, 2.50) int -> rcx "CSE - aggressive"
 ;
 ; Lcl frame size = 0
 
 G_M18086_IG01:
- push rbp
- mov rbp, rsp
-						;; size=4 bbWeight=1 PerfScore 1.25
+						;; size=0 bbWeight=1 PerfScore 0.00
 G_M18086_IG02:
- cmp byte ptr [rdi], dil
 movzx rax, byte ptr [rdi]
 movzx rcx, byte ptr [rsi]
 cmp eax, ecx
 jle SHORT G_M18086_IG04
-						;; size=13 bbWeight=1 PerfScore 8.25
+						;; size=10 bbWeight=1 PerfScore 5.25
 G_M18086_IG03:
 mov byte ptr [rdi], cl
 mov byte ptr [rsi], al
 						;; size=4 bbWeight=0.50 PerfScore 1.00
 G_M18086_IG04:
- pop rbp
 ret 
-						;; size=2 bbWeight=1 PerfScore 1.50
+						;; size=1 bbWeight=1 PerfScore 1.00
 
-; Total bytes of code 23, prolog size 4, PerfScore 14.30, instruction count 11, allocated bytes for code 23 (MethodHash=12e3b959) for method System.Collections.Generic.GenericArraySortHelper`1[ubyte]:SwapIfGreater(byref,byref) (FullOpts)
+; Total bytes of code 15, prolog size 0, PerfScore 8.75, instruction count 7, allocated bytes for code 15 (MethodHash=12e3b959) for method System.Collections.Generic.GenericArraySortHelper`1[ubyte]:SwapIfGreater(byref,byref) (FullOpts)

-6 (-3.26 % of base) - System.Collections.Generic.GenericArraySortHelper`1[int]:PickPivotAndPartition(System.Span`1[int]):int

 ; Assembly listing for method System.Collections.Generic.GenericArraySortHelper`1[int]:PickPivotAndPartition(System.Span`1[int]):int (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 7 single block inlinees; 8 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 arg0 [V00 ] ( 0, 0 ) struct (16) zero-ref multireg-arg ld-addr-op single-def <System.Span`1[int]>
-; V01 loc0 [V01,T04] ( 13, 15 ) byref -> rdi single-def
-; V02 loc1 [V02,T10] ( 5, 4 ) byref -> rcx single-def
-; V03 loc2 [V03,T07] ( 7, 6 ) byref -> rax single-def
+; V01 loc0 [V01,T04] ( 12, 14 ) byref -> rdi single-def
+; V02 loc1 [V02,T09] ( 7, 5 ) byref -> rcx single-def
+; V03 loc2 [V03,T07] ( 8, 6.50) byref -> rax single-def
 ; V04 loc3 [V04,T05] ( 9, 11 ) byref -> rcx single-def
 ; V05 loc4 [V05,T06] ( 3, 9 ) int -> rsi ld-addr-op
 ; V06 loc5 [V06,T00] ( 12, 21.50) byref -> rax 
 ; V07 loc6 [V07,T01] ( 8, 18.50) byref -> rdx 
 ;# V08 OutArgs [V08 ] ( 1, 1 ) struct ( 0) [rsp+0x00] do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ; V09 tmp1 [V09,T02] ( 2, 16 ) byref -> rdx "dup spill"
 ; V10 tmp2 [V10,T03] ( 2, 16 ) byref -> rax "dup spill"
 ;* V11 tmp3 [V11 ] ( 0, 0 ) struct (16) zero-ref ld-addr-op "Inlining Arg" <System.Span`1[int]>
-;* V12 tmp4 [V12 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
-; V13 tmp5 [V13,T21] ( 2, 1 ) int -> rdx "Inline stloc first use temp"
-;* V14 tmp6 [V14 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
-; V15 tmp7 [V15,T22] ( 2, 1 ) int -> rdx "Inline stloc first use temp"
+;* V12 tmp4 [V12 ] ( 0, 0 ) int -> zero-ref "spill side effects"
+;* V13 tmp5 [V13 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
+; V14 tmp6 [V14,T18] ( 2, 1 ) int -> rdx "Inline stloc first use temp"
+;* V15 tmp7 [V15 ] ( 0, 0 ) int -> zero-ref "spill side effects"
 ;* V16 tmp8 [V16 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
-; V17 tmp9 [V17,T23] ( 2, 1 ) int -> rdx "Inline stloc first use temp"
-; V18 tmp10 [V18,T20] ( 2, 2 ) int -> rdx "Inline stloc first use temp"
+; V17 tmp9 [V17,T19] ( 2, 1 ) int -> rdx "Inline stloc first use temp"
+;* V18 tmp10 [V18 ] ( 0, 0 ) int -> zero-ref "spill side effects"
 ;* V19 tmp11 [V19 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
-;* V20 tmp12 [V20 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
-; V21 tmp13 [V21,T24] ( 2, 1 ) int -> r8 "Inline stloc first use temp"
-; V22 tmp14 [V22,T25] ( 2, 1 ) int -> rdx "Inline stloc first use temp"
-; V23 tmp15 [V23,T11] ( 2, 2 ) byref -> rdi single-def "field V00._reference (fldOffset=0x0)" P-INDEP
-; V24 tmp16 [V24,T09] ( 3, 3 ) int -> rsi single-def "field V00._length (fldOffset=0x8)" P-INDEP
-;* V25 tmp17 [V25 ] ( 0, 0 ) byref -> zero-ref single-def "field V11._reference (fldOffset=0x0)" P-INDEP
-;* V26 tmp18 [V26 ] ( 0, 0 ) int -> zero-ref "field V11._length (fldOffset=0x8)" P-INDEP
-; V27 cse0 [V27,T12] ( 3, 3 ) int -> rax "CSE - moderate"
-; V28 cse1 [V28,T13] ( 3, 3 ) int -> rdx "CSE - moderate"
-; V29 cse2 [V29,T14] ( 3, 2.50) int -> rdx "CSE - moderate"
-; V30 cse3 [V30,T15] ( 3, 2.50) int -> r8 "CSE - moderate"
-; V31 cse4 [V31,T16] ( 3, 2.50) int -> rdx "CSE - moderate"
-; V32 cse5 [V32,T17] ( 3, 2.50) int -> r8 "CSE - moderate"
-; V33 cse6 [V33,T18] ( 3, 2.50) int -> rdx "CSE - moderate"
-; V34 cse7 [V34,T19] ( 3, 2.50) int -> r8 "CSE - moderate"
+; V20 tmp12 [V20,T20] ( 2, 1 ) int -> rdx "Inline stloc first use temp"
+; V21 tmp13 [V21,T17] ( 2, 2 ) int -> rdx "Inline stloc first use temp"
+;* V22 tmp14 [V22 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
+;* V23 tmp15 [V23 ] ( 0, 0 ) bool -> zero-ref "Inline return value spill temp"
+; V24 tmp16 [V24,T21] ( 2, 1 ) int -> r8 "Inline stloc first use temp"
+; V25 tmp17 [V25,T22] ( 2, 1 ) int -> rdx "Inline stloc first use temp"
+; V26 tmp18 [V26,T11] ( 2, 2 ) byref -> rdi single-def "field V00._reference (fldOffset=0x0)" P-INDEP
+; V27 tmp19 [V27,T10] ( 3, 3 ) int -> rsi single-def "field V00._length (fldOffset=0x8)" P-INDEP
+;* V28 tmp20 [V28 ] ( 0, 0 ) byref -> zero-ref single-def "field V11._reference (fldOffset=0x0)" P-INDEP
+;* V29 tmp21 [V29 ] ( 0, 0 ) int -> zero-ref "field V11._length (fldOffset=0x8)" P-INDEP
+; V30 cse0 [V30,T14] ( 3, 2.50) int -> rdx "CSE - moderate"
+; V31 cse1 [V31,T15] ( 3, 2.50) int -> rdx "CSE - moderate"
+; V32 cse2 [V32,T16] ( 3, 2.50) int -> rdx "CSE - moderate"
+; V33 cse3 [V33,T12] ( 3, 3 ) int -> rax "CSE - moderate"
+; V34 cse4 [V34,T13] ( 3, 3 ) int -> rdx "CSE - moderate"
 ; V35 rat0 [V35,T08] ( 3, 6 ) long -> rax "ReplaceWithLclVar is creating a new local variable"
 ;
 ; Lcl frame size = 0
 
 G_M30056_IG01:
 push rbp
 mov rbp, rsp
 						;; size=4 bbWeight=1 PerfScore 1.25
 G_M30056_IG02:
 lea eax, [rsi-0x01]
 movsxd rcx, eax
 lea rcx, bword ptr [rdi+4*rcx]
 sar eax, 1
 cdqe 
 lea rax, bword ptr [rdi+4*rax]
- cmp byte ptr [rdi], dil
 mov edx, dword ptr [rdi]
- mov r8d, dword ptr [rax]
- cmp edx, r8d
+ cmp edx, dword ptr [rax]
 jle SHORT G_M30056_IG04
-						;; size=31 bbWeight=1 PerfScore 10.75
+						;; size=24 bbWeight=1 PerfScore 8.50
 G_M30056_IG03:
+ mov r8d, dword ptr [rax]
 mov dword ptr [rdi], r8d
 mov dword ptr [rax], edx
-						;; size=5 bbWeight=0.50 PerfScore 1.00
+						;; size=8 bbWeight=0.50 PerfScore 2.00
 G_M30056_IG04:
 mov edx, dword ptr [rdi]
- mov r8d, dword ptr [rcx]
- cmp edx, r8d
+ cmp edx, dword ptr [rcx]
 jle SHORT G_M30056_IG06
-						;; size=10 bbWeight=1 PerfScore 5.25
+						;; size=6 bbWeight=1 PerfScore 6.00
 G_M30056_IG05:
+ mov r8d, dword ptr [rcx]
 mov dword ptr [rdi], r8d
 mov dword ptr [rcx], edx
-						;; size=5 bbWeight=0.50 PerfScore 1.00
+						;; size=8 bbWeight=0.50 PerfScore 2.00
 G_M30056_IG06:
 mov edx, dword ptr [rax]
- mov r8d, dword ptr [rcx]
- cmp edx, r8d
+ cmp edx, dword ptr [rcx]
 jle SHORT G_M30056_IG08
-						;; size=10 bbWeight=1 PerfScore 5.25
+						;; size=6 bbWeight=1 PerfScore 6.00
 G_M30056_IG07:
+ mov r8d, dword ptr [rcx]
 mov dword ptr [rax], r8d
 mov dword ptr [rcx], edx
-						;; size=5 bbWeight=0.50 PerfScore 1.00
+						;; size=8 bbWeight=0.50 PerfScore 2.00
 G_M30056_IG08:
 add esi, -2
 movsxd rcx, esi
 lea rcx, bword ptr [rdi+4*rcx]
 mov edx, dword ptr [rax]
 mov esi, edx
 mov r8d, dword ptr [rcx]
 mov dword ptr [rax], r8d
 mov dword ptr [rcx], edx
 mov rax, rdi
 mov rdx, rcx
 cmp rdi, rcx
 jae SHORT G_M30056_IG12
 align [0 bytes for IG09]
 						;; size=33 bbWeight=1 PerfScore 9.00
 G_M30056_IG09:
 cmp rax, rcx
 jae SHORT G_M30056_IG10
 add rax, 4
 cmp esi, dword ptr [rax]
 jg SHORT G_M30056_IG09
 						;; size=13 bbWeight=4 PerfScore 22.00
 G_M30056_IG10:
 cmp rdx, rdi
 jbe SHORT G_M30056_IG11
 add rdx, -4
 cmp esi, dword ptr [rdx]
 jl SHORT G_M30056_IG10
 						;; size=13 bbWeight=4 PerfScore 22.00
 G_M30056_IG11:
 cmp rax, rdx
 jae SHORT G_M30056_IG12
 mov r8d, dword ptr [rax]
 mov r9d, dword ptr [rdx]
 mov dword ptr [rax], r9d
 mov dword ptr [rdx], r8d
 jmp SHORT G_M30056_IG09
 						;; size=19 bbWeight=0.50 PerfScore 4.62
 G_M30056_IG12:
 cmp rax, rcx
 je SHORT G_M30056_IG14
 						;; size=5 bbWeight=1 PerfScore 1.25
 G_M30056_IG13:
 mov edx, dword ptr [rax]
 mov esi, dword ptr [rcx]
 mov dword ptr [rax], esi
 mov dword ptr [rcx], edx
 						;; size=8 bbWeight=0.50 PerfScore 3.00
 G_M30056_IG14:
 sub rax, rdi
 mov rcx, rax
 sar rcx, 63
 and rcx, 3
 add rax, rcx
 sar rax, 2
 						;; size=21 bbWeight=1 PerfScore 2.00
 G_M30056_IG15:
 pop rbp
 ret 
 						;; size=2 bbWeight=1 PerfScore 1.50
 
-; Total bytes of code 184, prolog size 4, PerfScore 109.28, instruction count 71, allocated bytes for code 184 (MethodHash=14098a97) for method System.Collections.Generic.GenericArraySortHelper`1[int]:PickPivotAndPartition(System.Span`1[int]):int (FullOpts)
+; Total bytes of code 178, prolog size 4, PerfScore 110.93, instruction count 70, allocated bytes for code 178 (MethodHash=14098a97) for method System.Collections.Generic.GenericArraySortHelper`1[int]:PickPivotAndPartition(System.Span`1[int]):int (FullOpts)

-6 (-6.52 % of base) - System.Collections.Generic.GenericEqualityComparer`1[long]:IndexOf(long[],long,int,int):int:this

 ; Assembly listing for method System.Collections.Generic.GenericEqualityComparer`1[long]:IndexOf(long[],long,int,int):int:this (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 1 single block inlinees; 0 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 this [V00 ] ( 0, 0 ) ref -> zero-ref this class-hnd single-def <System.Collections.Generic.GenericEqualityComparer`1[long]>
 ; V01 arg1 [V01,T01] ( 7, 8.04) ref -> rsi class-hnd single-def <long[]>
-; V02 arg2 [V02,T03] ( 4, 6 ) long -> rdx single-def
+; V02 arg2 [V02,T04] ( 4, 6 ) long -> rdx single-def
 ; V03 arg3 [V03,T05] ( 4, 4 ) int -> rcx single-def
 ; V04 arg4 [V04,T06] ( 3, 3 ) int -> r8 single-def
-; V05 loc0 [V05,T02] ( 6, 8 ) int -> r8 
+; V05 loc0 [V05,T03] ( 6, 8 ) int -> r8 
 ;* V06 loc1 [V06 ] ( 0, 0 ) int -> zero-ref 
 ; V07 loc2 [V07,T00] ( 13, 19.54) int -> rax 
 ;# 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 "Single-def Box Helper" <System.Int64>
+;* V09 tmp1 [V09 ] ( 0, 0 ) long -> zero-ref "spill side effects"
 ;* V10 tmp2 [V10 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
-; V11 cse0 [V11,T07] ( 2, 0.08) long -> rcx "CSE - conservative"
-; V12 cse1 [V12,T04] ( 2, 7.92) long -> rcx "CSE - aggressive"
+; V11 cse0 [V11,T02] ( 2, 7.92) long -> rcx "CSE - aggressive"
 ;
 ; Lcl frame size = 0
 
 G_M64903_IG01:
 push rbp
 mov rbp, rsp
 						;; size=4 bbWeight=1 PerfScore 1.25
 G_M64903_IG02:
 add r8d, ecx
 mov eax, ecx
 cmp eax, r8d
 jge SHORT G_M64903_IG06
 test rsi, rsi
 je SHORT G_M64903_IG05
 mov ecx, eax
 or ecx, r8d
 jl SHORT G_M64903_IG05
 cmp dword ptr [rsi+0x08], r8d
 jl SHORT G_M64903_IG05
 align [0 bytes for IG03]
 						;; size=28 bbWeight=1 PerfScore 8.50
 G_M64903_IG03:
 mov ecx, eax
- mov rcx, qword ptr [rsi+8*rcx+0x10]
- cmp rcx, rdx
+ cmp qword ptr [rsi+8*rcx+0x10], rdx
 je SHORT G_M64903_IG08
 inc eax
 cmp eax, r8d
 jl SHORT G_M64903_IG03
-						;; size=19 bbWeight=3.96 PerfScore 19.80
+						;; size=16 bbWeight=3.96 PerfScore 22.77
 G_M64903_IG04:
 jmp SHORT G_M64903_IG06
 						;; size=2 bbWeight=1 PerfScore 2.00
 G_M64903_IG05:
 cmp eax, dword ptr [rsi+0x08]
 jae SHORT G_M64903_IG09
 mov ecx, eax
- mov rcx, qword ptr [rsi+8*rcx+0x10]
- cmp rcx, rdx
+ cmp qword ptr [rsi+8*rcx+0x10], rdx
 je SHORT G_M64903_IG08
 inc eax
 cmp eax, r8d
 jl SHORT G_M64903_IG05
-						;; size=24 bbWeight=0.04 PerfScore 0.36
+						;; size=21 bbWeight=0.04 PerfScore 0.39
 G_M64903_IG06:
 mov eax, -1
 						;; size=5 bbWeight=0.50 PerfScore 0.12
 G_M64903_IG07:
 pop rbp
 ret 
 						;; size=2 bbWeight=0.50 PerfScore 0.75
 G_M64903_IG08:
 pop rbp
 ret 
 						;; size=2 bbWeight=0.50 PerfScore 0.75
 G_M64903_IG09:
 call CORINFO_HELP_RNGCHKFAIL
 int3 
 						;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 92, prolog size 4, PerfScore 42.74, instruction count 38, allocated bytes for code 92 (MethodHash=b8ea0278) for method System.Collections.Generic.GenericEqualityComparer`1[long]:IndexOf(long[],long,int,int):int:this (FullOpts)
+; Total bytes of code 86, prolog size 4, PerfScore 45.14, instruction count 36, allocated bytes for code 86 (MethodHash=b8ea0278) for method System.Collections.Generic.GenericEqualityComparer`1[long]:IndexOf(long[],long,int,int):int:this (FullOpts)

-6 (-6.52 % of base) - System.Collections.Generic.GenericEqualityComparer`1[long]:LastIndexOf(long[],long,int,int):int:this

 ; Assembly listing for method System.Collections.Generic.GenericEqualityComparer`1[long]:LastIndexOf(long[],long,int,int):int:this (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 1 single block inlinees; 0 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 this [V00 ] ( 0, 0 ) ref -> zero-ref this class-hnd single-def <System.Collections.Generic.GenericEqualityComparer`1[long]>
 ; V01 arg1 [V01,T01] ( 7, 8.04) ref -> rsi class-hnd single-def <long[]>
-; V02 arg2 [V02,T02] ( 4, 6 ) long -> rdx single-def
+; V02 arg2 [V02,T03] ( 4, 6 ) long -> rdx single-def
 ; V03 arg3 [V03,T05] ( 4, 4 ) int -> rcx single-def
 ; V04 arg4 [V04,T06] ( 3, 3 ) int -> r8 single-def
 ; V05 loc0 [V05,T04] ( 5, 7 ) int -> rax 
 ;* V06 loc1 [V06 ] ( 0, 0 ) int -> zero-ref 
 ; V07 loc2 [V07,T00] ( 14, 20.54) int -> rcx 
 ;# 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 "Single-def Box Helper" <System.Int64>
+;* V09 tmp1 [V09 ] ( 0, 0 ) long -> zero-ref "spill side effects"
 ;* V10 tmp2 [V10 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
-; V11 cse0 [V11,T07] ( 2, 0.08) long -> rdi "CSE - conservative"
-; V12 cse1 [V12,T03] ( 2, 7.92) long -> rdi "CSE - aggressive"
+; V11 cse0 [V11,T02] ( 2, 7.92) long -> rdi "CSE - aggressive"
 ;
 ; Lcl frame size = 0
 
 G_M30861_IG01:
 push rbp
 mov rbp, rsp
 						;; size=4 bbWeight=1 PerfScore 1.25
 G_M30861_IG02:
 mov eax, ecx
 sub eax, r8d
 inc eax
 cmp ecx, eax
 jl SHORT G_M30861_IG06
 test rsi, rsi
 je SHORT G_M30861_IG05
 mov edi, ecx
 or edi, eax
 jl SHORT G_M30861_IG05
 cmp dword ptr [rsi+0x08], ecx
 jle SHORT G_M30861_IG05
 align [1 bytes for IG03]
 						;; size=28 bbWeight=1 PerfScore 9.00
 G_M30861_IG03:
 mov edi, ecx
- mov rdi, qword ptr [rsi+8*rdi+0x10]
- cmp rdi, rdx
+ cmp qword ptr [rsi+8*rdi+0x10], rdx
 je SHORT G_M30861_IG08
 dec ecx
 cmp ecx, eax
 jge SHORT G_M30861_IG03
-						;; size=18 bbWeight=3.96 PerfScore 19.80
+						;; size=15 bbWeight=3.96 PerfScore 22.77
 G_M30861_IG04:
 jmp SHORT G_M30861_IG06
 						;; size=2 bbWeight=1 PerfScore 2.00
 G_M30861_IG05:
 cmp ecx, dword ptr [rsi+0x08]
 jae SHORT G_M30861_IG10
 mov edi, ecx
- mov rdi, qword ptr [rsi+8*rdi+0x10]
- cmp rdi, rdx
+ cmp qword ptr [rsi+8*rdi+0x10], rdx
 je SHORT G_M30861_IG08
 dec ecx
 cmp ecx, eax
 jge SHORT G_M30861_IG05
-						;; size=23 bbWeight=0.04 PerfScore 0.36
+						;; size=20 bbWeight=0.04 PerfScore 0.39
 G_M30861_IG06:
 mov eax, -1
 						;; size=5 bbWeight=0.50 PerfScore 0.12
 G_M30861_IG07:
 pop rbp
 ret 
 						;; size=2 bbWeight=0.50 PerfScore 0.75
 G_M30861_IG08:
 mov eax, ecx
 						;; size=2 bbWeight=0.50 PerfScore 0.12
 G_M30861_IG09:
 pop rbp
 ret 
 						;; size=2 bbWeight=0.50 PerfScore 0.75
 G_M30861_IG10:
 call CORINFO_HELP_RNGCHKFAIL
 int3 
 						;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 92, prolog size 4, PerfScore 43.36, instruction count 40, allocated bytes for code 92 (MethodHash=9c178772) for method System.Collections.Generic.GenericEqualityComparer`1[long]:LastIndexOf(long[],long,int,int):int:this (FullOpts)
+; Total bytes of code 86, prolog size 4, PerfScore 45.76, instruction count 38, allocated bytes for code 86 (MethodHash=9c178772) for method System.Collections.Generic.GenericEqualityComparer`1[long]:LastIndexOf(long[],long,int,int):int:this (FullOpts)

-5 (-1.25 % of base) - System.Collections.Generic.GenericArraySortHelper`1[double]:IntroSort(System.Span`1[double],int)

 ; Assembly listing for method System.Collections.Generic.GenericArraySortHelper`1[double]:IntroSort(System.Span`1[double],int) (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 8 single block inlinees; 12 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 arg0 [V00 ] ( 0, 0 ) struct (16) zero-ref multireg-arg ld-addr-op single-def <System.Span`1[double]>
 ; V01 arg1 [V01,T02] ( 6, 18 ) int -> rbx 
 ; V02 loc0 [V02,T00] ( 13, 28 ) int -> r13 
 ; V03 loc1 [V03,T05] ( 3, 12 ) int -> r12 
-; V04 loc2 [V04,T15] ( 5, 2.50) byref -> rdi single-def
-; V05 loc3 [V05,T16] ( 5, 2.50) byref -> rsi single-def
-; V06 loc4 [V06,T13] ( 6, 3 ) byref -> rax single-def
+; V04 loc2 [V04,T14] ( 5, 2.50) byref -> rdi single-def
+; V05 loc3 [V05,T15] ( 5, 2.50) byref -> rsi single-def
+; V06 loc4 [V06,T16] ( 5, 2.50) byref -> rax single-def
 ; V07 loc5 [V07,T06] ( 3, 12 ) int -> rdi 
 ;# V08 OutArgs [V08 ] ( 1, 1 ) struct ( 0) [rsp+0x00] do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;* V09 tmp1 [V09 ] ( 0, 0 ) struct (16) zero-ref "spilled call-like call argument" <System.Span`1[double]>
 ;* V10 tmp2 [V10 ] ( 0, 0 ) struct (16) zero-ref "spilled call-like call argument" <System.Span`1[double]>
 ;* V11 tmp3 [V11 ] ( 0, 0 ) struct (16) zero-ref "spilled call-like call argument" <System.Span`1[double]>
 ;* V12 tmp4 [V12 ] ( 0, 0 ) struct (16) zero-ref "spilled call-like call argument" <System.Span`1[double]>
-; V13 tmp5 [V13,T11] ( 5, 5 ) byref -> r15 single-def "Inlining Arg"
-; V14 tmp6 [V14,T14] ( 3, 3 ) byref -> rdi single-def "Inlining Arg"
-; V15 tmp7 [V15,T19] ( 2, 1 ) bool -> rsi "Inline return value spill temp"
-; V16 tmp8 [V16,T31] ( 2, 1 ) double -> mm0 "Inline stloc first use temp"
-; V17 tmp9 [V17,T20] ( 2, 1 ) bool -> rcx "Inline return value spill temp"
-; V18 tmp10 [V18,T32] ( 2, 1 ) double -> mm0 "Inline stloc first use temp"
-; V19 tmp11 [V19,T21] ( 2, 1 ) bool -> rcx "Inline return value spill temp"
-; V20 tmp12 [V20,T33] ( 2, 1 ) double -> mm0 "Inline stloc first use temp"
-; V21 tmp13 [V21,T22] ( 2, 1 ) bool -> rax "Inline return value spill temp"
-; V22 tmp14 [V22,T34] ( 2, 1 ) double -> mm0 "Inline stloc first use temp"
-;* V23 tmp15 [V23 ] ( 0, 0 ) struct (16) zero-ref multireg-arg ld-addr-op "NewObj constructor temp" <System.Span`1[double]>
-;* V24 tmp16 [V24 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
-;* V25 tmp17 [V25 ] ( 0, 0 ) struct (16) zero-ref multireg-arg ld-addr-op "NewObj constructor temp" <System.Span`1[double]>
-;* V26 tmp18 [V26 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
+; V13 tmp5 [V13,T11] ( 4, 4 ) byref -> r15 single-def "Inlining Arg"
+;* V14 tmp6 [V14 ] ( 0, 0 ) double -> zero-ref "spill side effects"
+; V15 tmp7 [V15,T13] ( 3, 3 ) byref -> rdi single-def "Inlining Arg"
+; V16 tmp8 [V16,T19] ( 2, 1 ) bool -> rsi "Inline return value spill temp"
+; V17 tmp9 [V17,T31] ( 2, 1 ) double -> mm0 "Inline stloc first use temp"
+;* V18 tmp10 [V18 ] ( 0, 0 ) double -> zero-ref "spill side effects"
+; V19 tmp11 [V19,T20] ( 2, 1 ) bool -> rcx "Inline return value spill temp"
+; V20 tmp12 [V20,T32] ( 2, 1 ) double -> mm0 "Inline stloc first use temp"
+;* V21 tmp13 [V21 ] ( 0, 0 ) double -> zero-ref "spill side effects"
+; V22 tmp14 [V22,T21] ( 2, 1 ) bool -> rcx "Inline return value spill temp"
+; V23 tmp15 [V23,T33] ( 2, 1 ) double -> mm0 "Inline stloc first use temp"
+;* V24 tmp16 [V24 ] ( 0, 0 ) double -> zero-ref "spill side effects"
+; V25 tmp17 [V25,T22] ( 2, 1 ) bool -> rax "Inline return value spill temp"
+; V26 tmp18 [V26,T34] ( 2, 1 ) double -> mm0 "Inline stloc first use temp"
 ;* V27 tmp19 [V27 ] ( 0, 0 ) struct (16) zero-ref multireg-arg ld-addr-op "NewObj constructor temp" <System.Span`1[double]>
 ;* V28 tmp20 [V28 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
-; V29 tmp21 [V29,T01] ( 3, 24 ) int -> rsi "Inlining Arg"
-;* V30 tmp22 [V30 ] ( 0, 0 ) struct (16) zero-ref multireg-arg ld-addr-op "NewObj constructor temp" <System.Span`1[double]>
-;* V31 tmp23 [V31 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
-; V32 tmp24 [V32,T03] ( 9, 12 ) byref -> r15 single-def "field V00._reference (fldOffset=0x0)" P-INDEP
-; V33 tmp25 [V33,T04] ( 8, 12.50) int -> r14 single-def "field V00._length (fldOffset=0x8)" P-INDEP
-;* V34 tmp26 [V34 ] ( 0, 0 ) byref -> zero-ref "field V09._reference (fldOffset=0x0)" P-INDEP
-;* V35 tmp27 [V35 ] ( 0, 0 ) int -> zero-ref "field V09._length (fldOffset=0x8)" P-INDEP
-;* V36 tmp28 [V36 ] ( 0, 0 ) byref -> zero-ref "field V10._reference (fldOffset=0x0)" P-INDEP
-;* V37 tmp29 [V37 ] ( 0, 0 ) int -> zero-ref "field V10._length (fldOffset=0x8)" P-INDEP
-;* V38 tmp30 [V38 ] ( 0, 0 ) byref -> zero-ref "field V11._reference (fldOffset=0x0)" P-INDEP
-;* V39 tmp31 [V39 ] ( 0, 0 ) int -> zero-ref "field V11._length (fldOffset=0x8)" P-INDEP
-;* V40 tmp32 [V40 ] ( 0, 0 ) byref -> zero-ref "field V12._reference (fldOffset=0x0)" P-INDEP
-;* V41 tmp33 [V41 ] ( 0, 0 ) int -> zero-ref "field V12._length (fldOffset=0x8)" P-INDEP
-; V42 tmp34 [V42,T17] ( 2, 1 ) byref -> rdi single-def "field V23._reference (fldOffset=0x0)" P-INDEP
-; V43 tmp35 [V43,T23] ( 2, 1 ) int -> rsi "field V23._length (fldOffset=0x8)" P-INDEP
-; V44 tmp36 [V44,T18] ( 2, 1 ) byref -> rdi single-def "field V25._reference (fldOffset=0x0)" P-INDEP
-; V45 tmp37 [V45,T24] ( 2, 1 ) int -> rsi "field V25._length (fldOffset=0x8)" P-INDEP
-;* V46 tmp38 [V46,T12] ( 0, 0 ) byref -> zero-ref "field V27._reference (fldOffset=0x0)" P-INDEP
-; V47 tmp39 [V47,T09] ( 2, 8 ) int -> rsi "field V27._length (fldOffset=0x8)" P-INDEP
-; V48 tmp40 [V48,T08] ( 2, 8 ) byref -> rdi "field V30._reference (fldOffset=0x0)" P-INDEP
-; V49 tmp41 [V49,T10] ( 2, 8 ) int -> rsi "field V30._length (fldOffset=0x8)" P-INDEP
-; V50 cse0 [V50,T25] ( 6, 3 ) double -> mm0 "CSE - moderate"
-; V51 cse1 [V51,T26] ( 6, 3 ) double -> mm1 "CSE - moderate"
-; V52 cse2 [V52,T27] ( 3, 1.50) double -> mm0 "CSE - moderate"
-; V53 cse3 [V53,T28] ( 3, 1.50) double -> mm1 "CSE - moderate"
-; V54 cse4 [V54,T29] ( 3, 1.50) double -> mm0 "CSE - moderate"
-; V55 cse5 [V55,T30] ( 3, 1.50) double -> mm1 "CSE - moderate"
-; V56 cse6 [V56,T07] ( 3, 12 ) long -> rdi "CSE - aggressive"
+;* V29 tmp21 [V29 ] ( 0, 0 ) struct (16) zero-ref multireg-arg ld-addr-op "NewObj constructor temp" <System.Span`1[double]>
+;* V30 tmp22 [V30 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
+;* V31 tmp23 [V31 ] ( 0, 0 ) struct (16) zero-ref multireg-arg ld-addr-op "NewObj constructor temp" <System.Span`1[double]>
+;* V32 tmp24 [V32 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
+; V33 tmp25 [V33,T01] ( 3, 24 ) int -> rsi "Inlining Arg"
+;* V34 tmp26 [V34 ] ( 0, 0 ) struct (16) zero-ref multireg-arg ld-addr-op "NewObj constructor temp" <System.Span`1[double]>
+;* V35 tmp27 [V35 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
+; V36 tmp28 [V36,T03] ( 9, 12 ) byref -> r15 single-def "field V00._reference (fldOffset=0x0)" P-INDEP
+; V37 tmp29 [V37,T04] ( 8, 12.50) int -> r14 single-def "field V00._length (fldOffset=0x8)" P-INDEP
+;* V38 tmp30 [V38 ] ( 0, 0 ) byref -> zero-ref "field V09._reference (fldOffset=0x0)" P-INDEP
+;* V39 tmp31 [V39 ] ( 0, 0 ) int -> zero-ref "field V09._length (fldOffset=0x8)" P-INDEP
+;* V40 tmp32 [V40 ] ( 0, 0 ) byref -> zero-ref "field V10._reference (fldOffset=0x0)" P-INDEP
+;* V41 tmp33 [V41 ] ( 0, 0 ) int -> zero-ref "field V10._length (fldOffset=0x8)" P-INDEP
+;* V42 tmp34 [V42 ] ( 0, 0 ) byref -> zero-ref "field V11._reference (fldOffset=0x0)" P-INDEP
+;* V43 tmp35 [V43 ] ( 0, 0 ) int -> zero-ref "field V11._length (fldOffset=0x8)" P-INDEP
+;* V44 tmp36 [V44 ] ( 0, 0 ) byref -> zero-ref "field V12._reference (fldOffset=0x0)" P-INDEP
+;* V45 tmp37 [V45 ] ( 0, 0 ) int -> zero-ref "field V12._length (fldOffset=0x8)" P-INDEP
+; V46 tmp38 [V46,T17] ( 2, 1 ) byref -> rdi single-def "field V27._reference (fldOffset=0x0)" P-INDEP
+; V47 tmp39 [V47,T23] ( 2, 1 ) int -> rsi "field V27._length (fldOffset=0x8)" P-INDEP
+; V48 tmp40 [V48,T18] ( 2, 1 ) byref -> rdi single-def "field V29._reference (fldOffset=0x0)" P-INDEP
+; V49 tmp41 [V49,T24] ( 2, 1 ) int -> rsi "field V29._length (fldOffset=0x8)" P-INDEP
+;* V50 tmp42 [V50,T12] ( 0, 0 ) byref -> zero-ref "field V31._reference (fldOffset=0x0)" P-INDEP
+; V51 tmp43 [V51,T09] ( 2, 8 ) int -> rsi "field V31._length (fldOffset=0x8)" P-INDEP
+; V52 tmp44 [V52,T08] ( 2, 8 ) byref -> rdi "field V34._reference (fldOffset=0x0)" P-INDEP
+; V53 tmp45 [V53,T10] ( 2, 8 ) int -> rsi "field V34._length (fldOffset=0x8)" P-INDEP
+; V54 cse0 [V54,T25] ( 6, 3 ) double -> mm0 "CSE - moderate"
+; V55 cse1 [V55,T27] ( 3, 1.50) double -> mm0 "CSE - moderate"
+; V56 cse2 [V56,T28] ( 3, 1.50) double -> mm0 "CSE - moderate"
+; V57 cse3 [V57,T26] ( 6, 3 ) double -> mm1 "CSE - moderate"
+; V58 cse4 [V58,T29] ( 3, 1.50) double -> mm1 "CSE - moderate"
+; V59 cse5 [V59,T30] ( 3, 1.50) double -> mm1 "CSE - moderate"
+; V60 cse6 [V60,T07] ( 3, 12 ) long -> rdi "CSE - aggressive"
 ;
 ; Lcl frame size = 8
 
 G_M12710_IG01:
 push rbp
 push r15
 push r14
 push r13
 push r12
 push rbx
 push rax
 vzeroupper 
 lea rbp, [rsp+0x30]
 mov r15, rdi
 mov r14d, esi
 mov ebx, edx
 						;; size=27 bbWeight=1 PerfScore 9.25
 G_M12710_IG02:
 mov r13d, r14d
 cmp r14d, 1
 jle G_M12710_IG11
 						;; size=13 bbWeight=1 PerfScore 1.50
 G_M12710_IG03:
 cmp r13d, 16
 jle SHORT G_M12710_IG05
 test ebx, ebx
 je G_M12710_IG10
 dec ebx
 cmp r13d, r14d
 ja G_M12710_IG13
 mov esi, r13d
 mov rdi, r15
 mov rax, 0xD1FFAB1E ; code for System.Collections.Generic.GenericArraySortHelper`1[double]:PickPivotAndPartition(System.Span`1[double]):int
 call [rax]System.Collections.Generic.GenericArraySortHelper`1[double]:PickPivotAndPartition(System.Span`1[double]):int
 mov r12d, eax
 lea edi, [r12+0x01]
 sub r13d, edi
 mov esi, r13d
 mov edx, esi
 add rdx, rdi
 mov eax, r14d
 cmp rdx, rax
 ja G_M12710_IG13
 lea rdi, bword ptr [r15+8*rdi]
 mov edx, ebx
 mov rax, 0xD1FFAB1E ; code for System.Collections.Generic.GenericArraySortHelper`1[double]:IntroSort(System.Span`1[double],int)
 call [rax]System.Collections.Generic.GenericArraySortHelper`1[double]:IntroSort(System.Span`1[double],int)
 mov r13d, r12d
 cmp r13d, 1
 jg SHORT G_M12710_IG03
 						;; size=101 bbWeight=4 PerfScore 66.00
 G_M12710_IG04:
 jmp G_M12710_IG11
 						;; size=5 bbWeight=0.50 PerfScore 1.00
 G_M12710_IG05:
 cmp r13d, 2
 jne SHORT G_M12710_IG06
 lea rdi, bword ptr [r15+0x08]
- cmp byte ptr [r15], r15b
 vmovsd xmm0, qword ptr [r15]
 vmovsd xmm1, qword ptr [rdi]
 xor esi, esi
 vucomisd xmm0, xmm1
 seta sil
 test esi, esi
 je G_M12710_IG11
 vmovsd qword ptr [r15], xmm1
 vmovsd qword ptr [rdi], xmm0
 jmp G_M12710_IG11
-						;; size=54 bbWeight=0.50 PerfScore 11.62
+						;; size=51 bbWeight=0.50 PerfScore 10.12
 G_M12710_IG06:
 cmp r13d, 3
 jne SHORT G_M12710_IG09
 cmp r14d, 2
 jbe G_M12710_IG14
 lea rdi, bword ptr [r15+0x10]
 lea rsi, bword ptr [r15+0x08]
 mov rax, r15
- cmp byte ptr [rax], al
 vmovsd xmm0, qword ptr [rax]
 vmovsd xmm1, qword ptr [rsi]
 xor ecx, ecx
 vucomisd xmm0, xmm1
 seta cl
 test ecx, ecx
 je SHORT G_M12710_IG07
 vmovsd qword ptr [rax], xmm1
 vmovsd qword ptr [rsi], xmm0
-						;; size=58 bbWeight=0.50 PerfScore 11.62
+						;; size=56 bbWeight=0.50 PerfScore 10.12
 G_M12710_IG07:
 vmovsd xmm0, qword ptr [rax]
 vmovsd xmm1, qword ptr [rdi]
 xor ecx, ecx
 vucomisd xmm0, xmm1
 seta cl
 test ecx, ecx
 je SHORT G_M12710_IG08
 vmovsd qword ptr [rax], xmm1
 vmovsd qword ptr [rdi], xmm0
 						;; size=29 bbWeight=0.50 PerfScore 8.25
 G_M12710_IG08:
 vmovsd xmm0, qword ptr [rsi]
 vmovsd xmm1, qword ptr [rdi]
 xor eax, eax
 vucomisd xmm0, xmm1
 seta al
 test eax, eax
 je SHORT G_M12710_IG11
 vmovsd qword ptr [rsi], xmm1
 vmovsd qword ptr [rdi], xmm0
 jmp SHORT G_M12710_IG11
 						;; size=31 bbWeight=0.50 PerfScore 9.25
 G_M12710_IG09:
 cmp r13d, r14d
 ja SHORT G_M12710_IG13
 mov rdi, r15
 mov esi, r13d
 mov rax, 0xD1FFAB1E ; code for System.Collections.Generic.GenericArraySortHelper`1[double]:InsertionSort(System.Span`1[double])
 call [rax]System.Collections.Generic.GenericArraySortHelper`1[double]:InsertionSort(System.Span`1[double])
 jmp SHORT G_M12710_IG11
 						;; size=25 bbWeight=0.50 PerfScore 3.50
 G_M12710_IG10:
 cmp r13d, r14d
 ja SHORT G_M12710_IG13
 mov rdi, r15
 mov esi, r13d
 mov rax, 0xD1FFAB1E ; code for System.Collections.Generic.GenericArraySortHelper`1[double]:HeapSort(System.Span`1[double])
 call [rax]System.Collections.Generic.GenericArraySortHelper`1[double]:HeapSort(System.Span`1[double])
 						;; size=23 bbWeight=0.50 PerfScore 2.50
 G_M12710_IG11:
 nop 
 						;; size=1 bbWeight=1 PerfScore 0.25
 G_M12710_IG12:
 add rsp, 8
 pop rbx
 pop r12
 pop r13
 pop r14
 pop r15
 pop rbp
 ret 
 						;; size=15 bbWeight=1 PerfScore 4.25
 G_M12710_IG13:
 mov rax, 0xD1FFAB1E ; code for System.ThrowHelper:ThrowArgumentOutOfRangeException()
 call [rax]System.ThrowHelper:ThrowArgumentOutOfRangeException()
 int3 
 						;; size=13 bbWeight=0 PerfScore 0.00
 G_M12710_IG14:
 call CORINFO_HELP_RNGCHKFAIL
 int3 
 						;; size=6 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 401, prolog size 19, PerfScore 169.10, instruction count 120, allocated bytes for code 401 (MethodHash=1126ce59) for method System.Collections.Generic.GenericArraySortHelper`1[double]:IntroSort(System.Span`1[double],int) (FullOpts)
+; Total bytes of code 396, prolog size 19, PerfScore 165.60, instruction count 118, allocated bytes for code 396 (MethodHash=1126ce59) for method System.Collections.Generic.GenericArraySortHelper`1[double]:IntroSort(System.Span`1[double],int) (FullOpts)

Larger list of diffs: https://gist.github.com/MihuBot/d7bfaf13ef6683b3e48067292f5bce37

[MihuBot]

@EgorBo