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[JitDiff X64] [lewing] Use optimized thread-static helpers only for initiali ... #2187

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[JitDiff X64] [lewing] Use optimized thread-static helpers only for initiali ...#2187

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@MihuBot
MihuBot
opened on Oct 28, 2026

Job completed in 16 minutes 56 seconds (remote runner delay: 1 minute 24 seconds).
dotnet/runtime#136535

Main commit: dotnet/runtime@6dbcdc1
PR commit: lewing/runtime@f7317b2

Diffs

Browse JIT diff results and examples

7 changed method listings; 7 examples across 4 assemblies.

Found 88 files with textual diffs.

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 162361347
Total bytes of diff: 162361347
Total bytes of delta: 0 (0.00 % of base)


0 total files with Code Size differences (0 improved, 0 regressed), 354 unchanged.

0 total methods with Code Size differences (0 improved, 0 regressed), 834472 unchanged.

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

1 new method listings are excluded. Use -includeNewMethodRegressions to include them.

Artifacts:

Activity

  1. MihuBot commented on Oct 28, 2026

    @MihuBot
    MihuBot
    on Oct 28, 2026
    OwnerAuthor

    JIT diff regressions

    OpenTelemetry.Resources.ResourceBuilder:PrepareDefaultResource():OpenTelemetry.Resources.Resource (FullOpts) (46 -> 246 bytes (+200))

    Assembly: OpenTelemetry.dasm

    @@ -1,127 +1,97 @@
 ; Assembly listing for method OpenTelemetry.Resources.ResourceBuilder:PrepareDefaultResource():OpenTelemetry.Resources.Resource (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 4 single block inlinees; 0 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 loc0         [V00,T02] (  3,  3   )     ref  ->  [rbp-0x18]  do-not-enreg[M] class-hnd EH-live <System.String>
 ;  V01 loc1         [V01,T03] (  3,  3   )     ref  ->  r15         class-hnd exact single-def <System.String>
 ;# V02 OutArgs      [V02    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;  V03 tmp1         [V03,T00] (  4,  8   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.Collections.Generic.Dictionary`2[System.String,System.Object]>
 ;  V04 tmp2         [V04,T01] (  3,  6   )     ref  ->  r15         class-hnd exact single-def "NewObj constructor temp" <OpenTelemetry.Resources.Resource>
 ;* V05 tmp3         [V05    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "impSpillSpecialSideEff" <System.Object>
 ;  V06 cse0         [V06,T04] (  3,  3   )     ref  ->  rbx         "CSE #01: aggressive"
 ;
 ; Lcl frame size = 16
 
 G_M18842_IG01:
        push     rbp
        push     r15
        push     rbx
        sub      rsp, 16
        lea      rbp, [rsp+0x20]
 						;; size=13 bbWeight=1 PerfScore 3.75
 G_M18842_IG02:
        mov      rbx, 0xD1FFAB1E      ; 'unknown_service'
        mov      gword ptr [rbp-0x18], rbx
 						;; size=14 bbWeight=1 PerfScore 1.25
 G_M18842_IG03:
        mov      rax, 0xD1FFAB1E      ; code for System.Diagnostics.Process:GetCurrentProcess():System.Diagnostics.Process
        call     [rax]System.Diagnostics.Process:GetCurrentProcess():System.Diagnostics.Process
        mov      rdi, rax
        mov      rax, 0xD1FFAB1E      ; code for System.Diagnostics.Process:get_ProcessName():System.String:this
        cmp      dword ptr [rdi], edi
        call     [rax]System.Diagnostics.Process:get_ProcessName():System.String:this
        mov      r15, rax
        mov      rdi, r15
        mov      rax, 0xD1FFAB1E      ; code for System.String:IsNullOrWhiteSpace(System.String):bool
        call     [rax]System.String:IsNullOrWhiteSpace(System.String):bool
        test     eax, eax
        jne      SHORT G_M18842_IG04
        mov      rdx, r15
        mov      rdi, rbx
        mov      rsi, 0xD1FFAB1E      ; ':'
        mov      rax, 0xD1FFAB1E      ; code for System.String:Concat(System.String,System.String,System.String):System.String
        call     [rax]System.String:Concat(System.String,System.String,System.String):System.String
        mov      gword ptr [rbp-0x18], rax
 						;; size=83 bbWeight=1 PerfScore 18.75
 G_M18842_IG04:
        mov      rdi, 0xD1FFAB1E      ; System.Collections.Generic.Dictionary`2[System.String,System.Object]
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rdi, rbx
        xor      esi, esi
        xor      edx, edx
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon]:.ctor(int,System.Collections.Generic.IEqualityComparer`1[System.__Canon]):this
        call     [rax]System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon]:.ctor(int,System.Collections.Generic.IEqualityComparer`1[System.__Canon]):this
        mov      rdi, rbx
        mov      rdx, gword ptr [rbp-0x18]
        mov      rsi, 0xD1FFAB1E      ; 'service.name'
        mov      ecx, 1
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon]:TryInsert(System.__Canon,System.__Canon,byte):bool:this
        call     [rax]System.Collections.Generic.Dictionary`2[System.__Canon,System.__Canon]:TryInsert(System.__Canon,System.__Canon,byte):bool:this
        mov      rdi, 0xD1FFAB1E      ; OpenTelemetry.Resources.Resource
        call     CORINFO_HELP_NEWSFAST
        mov      r15, rax
        mov      rdi, r15
        mov      rsi, rbx
        xor      edx, edx
        xor      ecx, ecx
        mov      rax, 0xD1FFAB1E      ; code for OpenTelemetry.Resources.Resource:.ctor(System.Collections.Generic.IEnumerable`1[System.Collections.Generic.KeyValuePair`2[System.String,System.Object]],System.String,bool):this
        call     [rax]OpenTelemetry.Resources.Resource:.ctor(System.Collections.Generic.IEnumerable`1[System.Collections.Generic.KeyValuePair`2[System.String,System.Object]],System.String,bool):this
        mov      rax, r15
 						;; size=114 bbWeight=1 PerfScore 16.50
 G_M18842_IG05:
        add      rsp, 16
        pop      rbx
        pop      r15
        pop      rbp
        ret      
 						;; size=9 bbWeight=1 PerfScore 2.75
 G_M18842_IG06:
-      ; Assembly listing for method OpenTelemetry.Internal.SelfDiagnosticsConfigRefresher:<.ctor>b__16_0():System.Threading.Tasks.Task:this (FullOpts)
-; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
-; FullOpts code
-; optimized code
-; rsp 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 this         [V00,T00] (  4,  4   )     ref  ->  rdi         this class-hnd single-def <OpenTelemetry.Internal.SelfDiagnosticsConfigRefresher>
-;# V01 OutArgs      [V01    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
-;* V02 tmp1         [V02    ] (  0,  0   )  struct ( 8) zero-ref    "spilled call-like call argument" <System.Threading.CancellationToken>
-;  V03 tmp2         [V03,T01] (  3,  6   )     ref  ->  rsi         class-hnd single-def "Inlining Arg" <System.Threading.CancellationTokenSource>
-;* V04 tmp3         [V04    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Threading.CancellationToken>
-;* V05 tmp4         [V05    ] (  0,  0   )     ref  ->  zero-ref    "field V02._source (fldOffset=0x0)" P-INDEP
-;* V06 tmp5         [V06    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V04._source (fldOffset=0x0)" P-INDEP
-;
-; Lcl frame size = 8
-
-G_M52233_IG01:
        push     rax
-						;; size=1 bbWeight=1 PerfScore 1.00
-G_M52233_IG02:
-       mov      rsi, gword ptr [rdi+0x08]
-       cmp      byte  ptr [rsi+0x24], 0
-       jne      SHORT G_M52233_IG04
-       mov      rax, 0xD1FFAB1E      ; code for OpenTelemetry.Internal.SelfDiagnosticsConfigRefresher:Worker(System.Threading.CancellationToken):System.Threading.Tasks.Task:this
-						;; size=20 bbWeight=1 PerfScore 5.25
-G_M52233_IG03:
+						;; size=1 bbWeight=0 PerfScore 0.00
+G_M18842_IG07:
+       lea      rax, G_M18842_IG04
+						;; size=7 bbWeight=0 PerfScore 0.00
+G_M18842_IG08:
        add      rsp, 8
-       tail.jmp [rax]OpenTelemetry.Internal.SelfDiagnosticsConfigRefresher:Worker(System.Threading.CancellationToken):System.Threading.Tasks.Task:this
-						;; size=7 bbWeight=1 PerfScore 2.25
-G_M52233_IG04:
-       mov      edi, 70
-       mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowObjectDisposedException(int)
-       call     [rax]System.ThrowHelper:ThrowObjectDisposedException(int)
-       int3     
-						;; size=18 bbWeight=0 PerfScore 0.00
+       ret      
+						;; size=5 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 46, prolog size 1, PerfScore 8.50, instruction count 11, allocated bytes for code 46 (MethodHash=793c33f6) for method OpenTelemetry.Internal.SelfDiagnosticsConfigRefresher:<.ctor>b__16_0():System.Threading.Tasks.Task:this (FullOpts)
+; Total bytes of code 246, prolog size 13, PerfScore 43.00, instruction count 58, allocated bytes for code 246 (MethodHash=a478b665) for method OpenTelemetry.Resources.ResourceBuilder:PrepareDefaultResource():OpenTelemetry.Resources.Resource (FullOpts)
 ; ============================================================

    Showing 1 of 1 reported examples in this category.

    Browse all JIT diff results and examples

  2. MihuBot commented on Oct 28, 2026

    @MihuBot
    MihuBot
    on Oct 28, 2026
    OwnerAuthor

    JIT diff improvements

    Pipelines.Sockets.Unofficial.SocketConnection+Counters:.cctor() (FullOpts) (425 -> 404 bytes (-21))

    Assembly: Pipelines.Sockets.Unofficial.dasm

    @@ -1,145 +1,201 @@
 ; Assembly listing for method Pipelines.Sockets.Unofficial.SocketConnection+Counters:.cctor() (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 2 single block inlinees; 2 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 loc0         [V00    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def <System.Reflection.MethodInfo>
 ;* V01 loc1         [V01    ] (  0,  0   )     ref  ->  zero-ref    class-hnd <System.Exception>
 ;  V02 OutArgs      [V02    ] (  1,  1   )  struct ( 8) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <UNNAMED>
 ;  V03 tmp1         [V03,T00] (  4,  8   )     ref  ->  rax         class-hnd single-def "dup spill" <System.Reflection.PropertyInfo>
 ;* V04 tmp2         [V04    ] (  0,  0   )     ref  ->  zero-ref    single-def
 ;  V05 tmp3         [V05,T05] (  3,  3   )     ref  ->  rax        
 ;  V06 tmp4         [V06,T01] (  4,  8   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.Func`2[System.IO.Pipelines.Pipe,long]>
-;* V07 tmp5         [V07    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "impSpillSpecialSideEff" <System.Exception>
+G_M25960_IG01:
+;* 
+V07 tmp5         [V07    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "impSpillSpecialSideEff" <System.Exception>
 ;  V08 tmp6         [V08,T07] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.Func`2[System.IO.Pipelines.Pipe,long]>
 ;  V09 tmp7         [V09,T03] (  3,  6   )     ref  ->  rsi         class-hnd exact single-def "Inlining Arg" <Pipelines.Sockets.Unofficial.SocketConnection+Counters+<>c>
 ;  V10 tmp8         [V10,T04] (  3,  4.50)     ref  ->  rax         single-def "argument with side effect"
 ;  V11 tmp9         [V11,T08] (  2,  0   )     ref  ->  rsi         single-def "argument with side effect"
 ;  V12 rat0         [V12,T02] (  5,  7.50)     ref  ->  rsi         "replacement local"
-;  V13 rat1         [V13,T06] (  3,  2.50)    long  ->  rdi         "CSE for expectedClsNode"
+;  V13 rat1         [V13,T06]       (  3,  2.50)    long  ->  rdi         "CSE for expectedClsNode"
 ;
 ; Lcl frame size = 8
+ push     rbp
+       push     r15
+       push     r14
+       push     rbx
+       sub      rsp, 24
+       lea      rbp, [rsp+0x30]
+       mov      rbx, rdi
+						;; size=18 bbWeight=1 PerfScore 5.00
+G_M25960_IG02:
+       mov      rdi, 0xD1FFAB1E
+       mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_GETDYNAMIC_NONGCTHREADSTATIC_BASE_NOCTOR
+       call     [rax]CORINFO_HELP_GETDYNAMIC_NONGCTHREADSTATIC_BASE_NOCTOR
+       mov      edi, dword ptr [rbx+0x28]
+       mov      dword ptr [rax+0x10], edi
+						;; size=28 bbWeight=1 PerfScore 6.50
+G_M25960_IG03:
+       mov      rdi, gword ptr [rbx+0x10]
+       mov      gword ptr [rbp-0x28], rdi
+       xor      edi, edi
+       mov      dword ptr [rbp-0x1C], edi
+						;; size=13 bbWeight=8 PerfScore 34.00
+G_M25960_IG04:
+       mov      rdi, gword ptr [rbp-0x28]
+       mov      rax, 0xD1FFAB1E      ; code for System.Threading.Monitor:Enter(System.Object)
+       call     [rax]System.Threading.Monitor:Enter(System.Object)
+       mov      dword ptr [rbp-0x1C], 1
+       mov      rdi, gword ptr [rbx+0x10]
+       cmp      dword ptr [rdi+0x18], 0
+       jne      SHORT G_M25960_IG06
+						;; size=33 bbWeight=8 PerfScore 82.00
+G_M25960_IG05:
+       cmp      byte  ptr [rbx+0x3C], 0
+       jne      G_M25960_IG09
+       inc      dword ptr [rbx+0x38]
+       mov      r15, gword ptr [rbx+0x10]
+       test     r15, r15
+       je       SHORT G_M25960_IG07
+       mov      rdi, r15
+       mov      rax, 0xD1FFAB1E      ; code for System.Threading.ObjectHeader:GetLockObject(System.Object):System.Threading.Lock
+       call     [rax]System.Threading.ObjectHeader:GetLockObject(System.Object):System.Threading.Lock
+       cmp      byte  ptr [rax], al
+       mov      rdi, rax
+       mov      rax, 0xD1FFAB1E      ; code for System.Threading.Lock:GetOrCreateCondition():System.Threading.Condition:this
+       call     [rax]System.Threading.Lock:GetOrCreateCondition():System.Threading.Condition:this
+       mov      rdi, rax
+       mov      rdx, r15
+       mov      esi, -1
+       mov      rax, 0xD1FFAB1E      ; code for System.Threading.Condition:Wait(int,System.Object):bool:this
+       cmp      dword ptr [rdi], edi
+       call     [rax]System.Threading.Condition:Wait(int,System.Object):bool:this
+       dec      dword ptr [rbx+0x38]
+       mov      rdi, gword ptr [rbx+0x10]
+       cmp      dword ptr [rdi+0x18], 0
+       je       SHORT G_M25960_IG05
+						;; size=92 bbWeight=32 PerfScore 1032.00
+G_M25960_IG06:
+       mov      rdi, gword ptr [rbx+0x10]
+       mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.Queue`1[Pipelines.Sockets.Unofficial.DedicatedThreadPoolPipeScheduler+WorkItem]:Dequeue():Pipelines.Sockets.Unofficial.DedicatedThreadPoolPipeScheduler+WorkItem:this
+       cmp      dword ptr [rdi], edi
+       call     [rax]System.Collections.Generic.Queue`1[Pipelines.Sockets.Unofficial.DedicatedThreadPoolPipeScheduler+WorkItem]:Dequeue():Pipelines.Sockets.Unofficial.DedicatedThreadPoolPipeScheduler+WorkItem:this
+       mov      r15, rax
+       mov      r14, rdx
+       jmp      SHORT G_M25960_IG08
+						;; size=26 bbWeight=8 PerfScore 78.00
+G_M25960_IG07:
+       mov      rdi, 0xD1FFAB1E      ; 'obj'
+       mov      rax, 0xD1FFAB1E      ; code for System.ArgumentNullException:Throw(System.String)
+       call     [rax]System.ArgumentNullException:Throw(System.String)
+       int3     
+						;; size=23 bbWeight=0 PerfScore 0.00
+G_M25960_IG08:
+       mov      rdi, gword ptr [rbp-0x28]
+       mov      rax, 0xD1FFAB1E      ; code for System.Threading.Monitor:Exit(System.Object)
+       call     [rax]System.Threading.Monitor:Exit(System.Object)
+       lea      rdi, bword ptr [rbx+0x18]
+       lock     
+       inc      qword ptr [rdi]
 
-G_M30698_IG01:
-       push     rbp
+G_M30698_IG01:       mov      rdi, rbx
+
+       mov      rsi, r15
+       mov      rdx, r14
+       mov            rax push     , 0xD1FFAB1Erbp
        push     rbx
        push     rax
-       lea      rbp, [rsp+0x10]
+      ; code for Pipelines.Sockets.Unofficial.DedicatedThreadPoolPipeScheduler:Execute(System.Action`1[System.Object],System.Object):this
+             call     [ lea      rax]rbp, Pipelines.Sockets.Unofficial.DedicatedThreadPoolPipeScheduler:Execute(System.Action`1[System.Object],System.Object):this[rsp
++       jmp      0x10]G_M25960_IG03
+
+						;; size=50 bbWeight=8 PerfScore 214.00
+G_M25960_IG09:
 						;; size=8 bbWeight=1 PerfScore 3.50
 G_M30698_IG02:
-       xor      edi, edi
-       mov      gword ptr [rsp], rdi
-       mov      rdi, 0xD1FFAB1E      ; 'System.IO.Pipelines.Pipe'
-       mov      rsi, 0xD1FFAB1E      ; 'Length'
-       mov      edx, 52
+       call     G_M25960_IG13
+       jmp      SHORT G_M25960_IG11
+       xor      						;; size=7 bbWeight=1 PerfScore 3.00
+G_M25960_IG10:
+edi, edi
+       nop      
+						;; size=1 bbWeight=0 PerfScore 0.00
+G_M25960_IG11:
+             mov       mov      rdi, gword ptr 0xD1FFAB1E[
+rsp], rdi
+       mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_GETDYNAMIC_NONGCTHREADSTATIC_BASE_NOCTOR
+       mov            rdi call     [rax, ]CORINFO_HELP_GETDYNAMIC_NONGCTHREADSTATIC_BASE_NOCTOR0xD1FFAB1E
        xor      ecx, ecx
-       xor      r8d, r8d
-       xor      r9d, r9d
-       mov      rax, 0xD1FFAB1E      ; code for System.RuntimeType:GetPropertyImpl(System.String,int,System.Reflection.Binder,System.Type,System.Type[],System.Reflection.ParameterModifier[]):System.Reflection.PropertyInfo:this
-       call     [rax]System.RuntimeType:GetPropertyImpl(System.String,int,System.Reflection.Binder,System.Type,System.Type[],System.Reflection.ParameterModifier[]):System.Reflection.PropertyInfo:this
-       test     rax, rax
-       je       SHORT G_M30698_IG06
-       mov      rdi, rax
-       mov      esi, 1
-       mov      rax, qword ptr [rax]
-       mov      rax, qword ptr [rax+0x58]
-       call     [rax+0x08]System.Reflection.PropertyInfo:GetGetMethod(bool):System.Reflection.MethodInfo:this
-       test     rax, rax
-       je       SHORT G_M30698_IG06
-       mov      rsi, rax
-       mov      rdi, 0xD1FFAB1E      ; 'System.Func`2[System.IO.Pipelines.Pipe,System.Int64]'
-       mov      edx, 1
-       mov      rax, 0xD1FFAB1E      ; code for System.Delegate:CreateDelegate(System.Type,System.Reflection.MethodInfo,bool):System.Delegate
-       call     [rax]System.Delegate:CreateDelegate(System.Type,System.Reflection.MethodInfo,bool):System.Delegate
-       mov      rsi, rax
-       test     rsi, rsi
-       je       SHORT G_M30698_IG05
-						;; size=117 bbWeight=1 PerfScore 21.50
-G_M30698_IG03:
-       mov      rdi, 0xD1FFAB1E      ; System.Func`2[System.IO.Pipelines.Pipe,long]
-       cmp      qword ptr [rsi], rdi
-       je       SHORT G_M30698_IG05
-						;; size=15 bbWeight=0.50 PerfScore 1.62
-G_M30698_IG04:
-       mov      rsi, rax
-       mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_CHKCASTANY
-       call     [rax]CORINFO_HELP_CHKCASTANY
-       mov      rsi, rax
-						;; size=18 bbWeight=0.25 PerfScore 0.94
-G_M30698_IG05:
-       mov      rdi, 0xD1FFAB1E      ; data for Pipelines.Sockets.Unofficial.SocketConnection+Counters:s_pipeLengthReader
-       call     CORINFO_HELP_ASSIGN_REF
-       jmp      G_M30698_IG10
-						;; size=20 bbWeight=1 PerfScore 3.25
-G_M30698_IG06:
-       mov      rdi, 0xD1FFAB1E      ; System.Func`2[System.IO.Pipelines.Pipe,long]
-       call     CORINFO_HELP_NEWSFAST
-       mov      rbx, rax
-       mov      rdi, 0xD1FFAB1E      ; global ptr
-       test     byte  ptr [rdi], 1
-       je       SHORT G_M30698_IG08
-						;; size=33 bbWeight=1 PerfScore 4.75
-G_M30698_IG07:
-       mov      rdi, 0xD1FFAB1E      ; data for Pipelines.Sockets.Unofficial.SocketConnection+Counters+<>c:<>9
-       mov      rsi, gword ptr [rdi]
-       test     rsi, rsi
-       je       SHORT G_M30698_IG09
-       lea      rdi, bword ptr [rbx+0x10]
-       call     CORINFO_HELP_ASSIGN_REF
-       mov      rdi, 0xD1FFAB1E      ; code for Pipelines.Sockets.Unofficial.SocketConnection+Counters+<>c:<.cctor>b__1_0(System.IO.Pipelines.Pipe):long:this
-       mov      qword ptr [rbx+0x18], rdi
-       mov      rdi, 0xD1FFAB1E      ; data for Pipelines.Sockets.Unofficial.SocketConnection+Counters:s_pipeLengthReader
-       mov      rsi, rbx
-       call     CORINFO_HELP_ASSIGN_REF
-       jmp      SHORT G_M30698_IG10
-						;; size=61 bbWeight=1 PerfScore 9.75
-G_M30698_IG08:
-       mov      rdi, 0xD1FFAB1E      ; Pipelines.Sockets.Unofficial.SocketConnection+Counters+<>c
-       mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_GET_GCSTATIC_BASE
-       call     [rax]CORINFO_HELP_GET_GCSTATIC_BASE
-       jmp      SHORT G_M30698_IG07
-						;; size=24 bbWeight=0 PerfScore 0.00
-G_M30698_IG09:
-       mov      rax, 0xD1FFAB1E      ; code for System.Delegate:ThrowNullThisInDelegateToInstance()
-       call     [rax]System.Delegate:ThrowNullThisInDelegateToInstance()
-       int3     
-						;; size=13 bbWeight=0 PerfScore 0.00
-G_M30698_IG10:
-       add      rsp, 8
-       pop      rbx
+       mov      dword ptr [rax+0x10], ecx
+						;; size=27 bbWeight=1 PerfScore 4.75
+G_M25960_IG12:
+       add      rsp,       ; 'System.IO.Pipelines.Pipe'24
+
+             pop      rbx
+ mov      rsi,        pop      0xD1FFAB1Er14
+       pop      r15      ; 'Length'
+
        pop      rbp
+             mov      edx,  ret      52
+
+						;; size=11 bbWeight=1 PerfScore 3.25      
+G_M25960_IG13: xor      
+ecx, ecx      
+ push     rax
+						;; size=1 bbWeight=1 PerfScore 1.00      
+G_M25960_IG14: xor      
+r8d, r8d
+             cmp       xor      dword ptr r9d[, r9drbp
+-0x1C      ] mov      , rax0, 
+0xD1FFAB1E       je       SHORT G_M25960_IG15
+       mov      rdi, gword ptr [rbp-0x28]
+       mov      rax, 0xD1FFAB1E      ; code for System.Threading.Monitor:Exit(System.Object)
+       call     [rax]System.Threading.Monitor:Exit(System.Object)
+						;; size=22 bbWeight=1 PerfScore 6.25
+G_M25960_IG15:
+       nop      
+						;; size=1 bbWeight=1 PerfScore 0.25
+G_M25960_IG16:
+       add      rsp, 8
        ret      
-						;; size=7 bbWeight=1 PerfScore 2.25
-G_M30698_IG11:
+						;; size=5 bbWeight=1 PerfScore 1.25
+G_M25960_IG17:
        push     rax
 						;; size=1 bbWeight=0 PerfScore 0.00
-G_M30698_IG12:
-       mov      rdi, 0xD1FFAB1E      ; System.Func`2[System.IO.Pipelines.Pipe,long]
-       call     CORINFO_HELP_NEWSFAST
-       mov      rbx, rax
-       mov      rdi, 0xD1FFAB1E      ; Pipelines.Sockets.Unofficial.SocketConnection+Counters+<>c
-       mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_GET_GCSTATIC_BASE
-       call     [rax]CORINFO_HELP_GET_GCSTATIC_BASE
-       mov      rsi, 0xD1FFAB1E      ; data for Pipelines.Sockets.Unofficial.SocketConnection+Counters+<>c:<>9
-       mov      rsi, gword ptr [rsi]
-       mov      rdi, rbx
-       mov      rdx, 0xD1FFAB1E      ; code for Pipelines.Sockets.Unofficial.SocketConnection+Counters+<>c:<.cctor>b__1_1(System.IO.Pipelines.Pipe):long:this
-       mov      rax, 0xD1FFAB1E      ; code for System.Delegate:CtorClosed(System.Object,nint):this
-       call     [rax]System.Delegate:CtorClosed(System.Object,nint):this
-       mov      rdi, 0xD1FFAB1E      ; data for Pipelines.Sockets.Unofficial.SocketConnection+Counters:s_pipeLengthReader
-       mov      rsi, rbx
-       call     CORINFO_HELP_ASSIGN_REF
-       lea      rax, G_M30698_IG10
-						;; size=103 bbWeight=0 PerfScore 0.00
-G_M30698_IG13:
+G_M25960_IG18:
+       lea      rax, G_M25960_IG10
+						;; size=7 bbWeight=0 PerfScore 0.00
+G_M25960_IG19:
        add      rsp, 8
        ret      
 						;; size=5 bbWeight=0 PerfScore 0.00
+G_M25960_IG20:
+       push     rax
+						;; size=1 bbWeight=0 PerfScore 0.00
+G_M25960_IG21:
+            ; code for System.RuntimeType:GetPropertyImpl(System.String,int,System.Reflection.Binder,System.Type,System.Type[],System.Reflection.ParameterModifier[]):System.Reflection.PropertyInfo:this mov      
+rdi, 0xD1FFAB1E
+       mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_GETDYNAMIC_NONGCTHREADSTATIC_BASE_NOCTOR
+       call     [rax]CORINFO_HELP_GETDYNAMIC_NONGCTHREADSTATIC_BASE_NOCTOR
+       call           [ xor      raxedi, edi
+]       mov      dword ptr [rax+0x10], edi
+						;; size=27 bbWeight=0 PerfScore 0.00
+G_M25960_IG22:
+       add      rspSystem.RuntimeType:GetPropertyImpl(System.String,int,System.Reflection.Binder,System.Type,System.Type[],System.Reflection.ParameterModifier[]):System.Reflection.PropertyInfo:this, 
+8
+       ret      
+       test     						;; size=5 bbWeight=0 PerfScore 0.00rax, rax
 
-; Total bytes of code 425, prolog size 8, PerfScore 47.56, instruction count 89, allocated bytes for code 425 (MethodHash=46a38815) for method Pipelines.Sockets.Unofficial.SocketConnection+Counters:.cctor() (FullOpts)
+       je       SHORT G_M30698_IG06
+       mov      rdi, rax
+       mov      esi, 1
+       mov      
+rax, qword ptr [rax]
+; Total bytes of code 404, prolog size 18, PerfScore 1471.25, instruction count 104, allocated bytes for code 404       mov      rax, qword ptr [rax+ (MethodHash=89c39a97) for method Pipelines.Sockets.Unofficial.DedicatedThreadPoolPipeScheduler:RunWorkLoop():this (FullOpts)
 ; ============================================================

    Showing 1 of 1 reported examples in this category.

    Browse all JIT diff results and examples

  3. MihuBot commented on Oct 28, 2026

    @MihuBot
    MihuBot
    on Oct 28, 2026
    OwnerAuthor

    Same-size JIT changes

    Silk.NET.Assimp.CustomFileIO:.ctor(Silk.NET.Assimp.OpenFileCustomIOCallback):this (FullOpts) (159 -> 159 bytes (0))

    Assembly: Silk.NET.Assimp.dasm

    @@ -1,94 +1,94 @@
 ; Assembly listing for method Silk.NET.Assimp.CustomFileIO:.ctor(Silk.NET.Assimp.OpenFileCustomIOCallback):this (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 9 single block inlinees; 2 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 this         [V00,T00] (  7,  6.50)     ref  ->  rbx         this class-hnd single-def <Silk.NET.Assimp.CustomFileIO>
 ;  V01 arg1         [V01,T01] (  3,  3   )     ref  ->  r15         class-hnd single-def <Silk.NET.Assimp.OpenFileCustomIOCallback>
 ;* V02 loc0         [V02    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op <System.Runtime.InteropServices.GCHandle>
 ;* V03 loc1         [V03    ] (  0,  0   )  struct (24) zero-ref    ld-addr-op <Silk.NET.Assimp.FileIO>
 ;# V04 OutArgs      [V04    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;  V05 tmp1         [V05,T03] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.InvalidOperationException>
 ;* V06 tmp2         [V06    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Runtime.InteropServices.GCHandle>
 ;* V07 tmp3         [V07    ] (  0,  0   )    long  ->  zero-ref    "Inline stloc first use temp"
 ;  V08 tmp4         [V08,T02] (  5,  4.50)    long  ->  r14         "Inline stloc first use temp"
 ;* V09 tmp5         [V09    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <Silk.NET.Assimp.PfnFileOpenProc>
 ;* V10 tmp6         [V10    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <Silk.NET.Assimp.PfnFileCloseProc>
 ;* V11 tmp7         [V11    ] (  0,  0   )  struct ( 8) zero-ref    "Inlining Arg" <System.Runtime.InteropServices.GCHandle>
 ;* V12 tmp8         [V12    ] (  0,  0   )    long  ->  zero-ref    "Inlining Arg"
 ;* V13 tmp9         [V13    ] (  0,  0   )    long  ->  zero-ref    single-def "field V02._handle (fldOffset=0x0)" P-INDEP
 ;* V14 tmp10        [V14    ] (  0,  0   )    long  ->  zero-ref    single-def "field V03.OpenProc (fldOffset=0x0)" P-INDEP
 ;* V15 tmp11        [V15    ] (  0,  0   )    long  ->  zero-ref    single-def "field V03.CloseProc (fldOffset=0x8)" P-INDEP
 ;* V16 tmp12        [V16    ] (  0,  0   )    long  ->  zero-ref    single-def "field V03.UserData (fldOffset=0x10)" P-INDEP
 ;* V17 tmp13        [V17    ] (  0,  0   )    long  ->  zero-ref    single-def "field V06._handle (fldOffset=0x0)" P-INDEP
 ;* V18 tmp14        [V18    ] (  0,  0   )    long  ->  zero-ref    single-def "field V09._handle (fldOffset=0x0)" P-INDEP
 ;* V19 tmp15        [V19    ] (  0,  0   )    long  ->  zero-ref    single-def "field V10._handle (fldOffset=0x0)" P-INDEP
 ;* V20 tmp16        [V20    ] (  0,  0   )    long  ->  zero-ref    single-def "field V11._handle (fldOffset=0x0)" P-INDEP
 ;
 ; Lcl frame size = 8
 
 G_M23716_IG01:
        push     rbp
        push     r15
        push     r14
        push     rbx
        push     rax
        lea      rbp, [rsp+0x20]
        mov      rbx, rdi
        mov      r15, rsi
 						;; size=18 bbWeight=1 PerfScore 6.00
 G_M23716_IG02:
        mov      rdi, rbx
        mov      esi, 2
        call     System.Runtime.InteropServices.GCHandle:_InternalAlloc(System.Object,int):nint
        mov      r14, rax
        test     r14, r14
        jne      SHORT G_M23716_IG04
 						;; size=21 bbWeight=1 PerfScore 3.00
 G_M23716_IG03:
        mov      rdi, rbx
        mov      esi, 2
        mov      rax, 0xD1FFAB1E      ; code for System.Runtime.InteropServices.GCHandle:InternalAllocWithGCTransition(System.Object,int):nint
        call     [rax]System.Runtime.InteropServices.GCHandle:InternalAllocWithGCTransition(System.Object,int):nint
        mov      r14, rax
 						;; size=23 bbWeight=0.50 PerfScore 2.00
 G_M23716_IG04:
        test     r14, r14
        je       SHORT G_M23716_IG06
        lea      rdi, bword ptr [rbx+0x08]
        mov      rsi, r15
        call     CORINFO_HELP_ASSIGN_REF
        vmovups  xmm0, xmmword ptr [reloc @RWD00]
        vmovups  xmmword ptr [rbx+0x10], xmm0
        mov      qword ptr [rbx+0x20], r14
 						;; size=34 bbWeight=1 PerfScore 6.00
 G_M23716_IG05:
        add      rsp, 8
        pop      rbx
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=11 bbWeight=1 PerfScore 3.25
 G_M23716_IG06:
        mov      rdi, 0xD1FFAB1E      ; System.InvalidOperationException
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rdi, rbx
        mov      rsi, 0xD1FFAB1E      ; 'Failed to allocate GCHandle for CustomFileIO'
        mov      rax, 0xD1FFAB1E      ; code for System.InvalidOperationException:.ctor(System.String):this
        call     [rax]System.InvalidOperationException:.ctor(System.String):this
        mov      rdi, rbx
        call     CORINFO_HELP_THROW
        int3     
 						;; size=52 bbWeight=0 PerfScore 0.00
-RWD00  	dq	00007FB6414511D0h, 00007FB6414511E8h
+RWD00  	dq	00007933988511D0h, 00007933988511E8h
 
 
 ; Total bytes of code 159, prolog size 12, PerfScore 20.25, instruction count 43, allocated bytes for code 159 (MethodHash=57fda35b) for method Silk.NET.Assimp.CustomFileIO:.ctor(Silk.NET.Assimp.OpenFileCustomIOCallback):this (FullOpts)
 ; ============================================================
    System.Runtime.CompilerServices.AsyncHelpers+ValueTaskSourceContinuation+ValueTaskSourceContinuationResume:.cctor() (FullOpts) (23 -> 23 bytes (0))

    Assembly: System.Private.CoreLib.dasm

    @@ -1,32 +1,32 @@
 ; Assembly listing for method System.Runtime.CompilerServices.AsyncHelpers+ValueTaskSourceContinuation+ValueTaskSourceContinuationResume:.cctor() (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rsp based frame
 ; partially interruptible
 ; No PGO data
 ; Final local variable assignments
 ;
 ;* V00 loc0         [V00    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op <System.Runtime.CompilerServices.ResumeInfo>
 ;# V01 OutArgs      [V01    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;* V02 tmp1         [V02    ] (  0,  0   )    long  ->  zero-ref    "field V00.Resume (fldOffset=0x0)" P-INDEP
 ;* V03 tmp2         [V03    ] (  0,  0   )    long  ->  zero-ref    "field V00.DiagnosticIP (fldOffset=0x8)" P-INDEP
 ;  V04 cse0         [V04,T00] (  2,  2   )    long  ->  rax         "CSE #01: aggressive"
 ;
 ; Lcl frame size = 0
 
 G_M58358_IG01:
 						;; size=0 bbWeight=1 PerfScore 0.00
 G_M58358_IG02:
        mov      rax, 0xD1FFAB1E      ; data for System.Runtime.CompilerServices.AsyncHelpers+ValueTaskSourceContinuation+ValueTaskSourceContinuationResume:ResumeInfo
        vmovsd   xmm0, qword ptr [reloc @RWD00]
        vmovups  xmmword ptr [rax], xmm0
 						;; size=22 bbWeight=1 PerfScore 3.25
 G_M58358_IG03:
        ret      
 						;; size=1 bbWeight=1 PerfScore 1.00
-RWD00  	dq	00007ED229BE1068h
+RWD00  	dq	000076E4AEDE1068h
 
 
 ; Total bytes of code 23, prolog size 0, PerfScore 4.25, instruction count 4, allocated bytes for code 23 (MethodHash=bcd21c09) for method System.Runtime.CompilerServices.AsyncHelpers+ValueTaskSourceContinuation+ValueTaskSourceContinuationResume:.cctor() (FullOpts)
 ; ============================================================
    Silk.NET.Assimp.CustomFileIO:OpenFile(ptr,ptr,ptr):ptr (FullOpts) (1,423 -> 1,423 bytes (0))

    Assembly: Silk.NET.Assimp.dasm

    @@ -1,815 +1,815 @@
 ; Assembly listing for method Silk.NET.Assimp.CustomFileIO:OpenFile(ptr,ptr,ptr):ptr (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 88 single block inlinees; 22 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 arg0         [V00,T13] (  3,  3   )    long  ->  r14         single-def
 ;  V01 arg1         [V01,T01] (  5,  8   )    long  ->  rbx         single-def
 ;  V02 arg2         [V02,T02] (  5,  8   )    long  ->  r15         single-def
 ;  V03 loc0         [V03,T36] (  2,  2   )     ref  ->  [rbp-0xA8]  class-hnd exact spill-single-def ptr <Silk.NET.Assimp.CustomFileIO>
 ;  V04 loc1         [V04,T00] ( 23, 38.50)     int  ->  r13        
 ;* V05 loc2         [V05    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op <System.Span`1[byte]>
 ;* V06 loc3         [V06    ] (  0,  0   )     int  ->  zero-ref    single-def
 ;* V07 loc4         [V07    ] (  0,  0   )  struct (16) zero-ref    <System.Span`1[char]>
 ;* V08 loc5         [V08    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op <System.Span`1[byte]>
 ;  V09 loc6         [V09,T20] (  4,  3   )   ubyte  ->  rbx         single-def
 ;  V10 loc7         [V10,T30] (  3,  2   )   ubyte  ->  r14         single-def
 ;  V11 loc8         [V11,T31] (  3,  2   )   ubyte  ->  r12         single-def
 ;  V12 loc9         [V12,T17] (  5,  3.50)   ubyte  ->  r15         single-def
 ;* V13 loc10        [V13    ] (  0,  0   )     int  ->  zero-ref    single-def
 ;* V14 loc11        [V14    ] (  0,  0   )     int  ->  zero-ref    single-def
 ;  V15 loc12        [V15,T16] (  5,  3.50)     ref  ->  r14         class-hnd single-def <System.IO.Stream>
 ;* V16 loc13        [V16    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op <System.Runtime.InteropServices.GCHandle>
 ;  V17 loc14        [V17,T25] (  5,  2.50)    long  ->  r15         single-def
 ;* V18 loc15        [V18    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op <System.Runtime.InteropServices.GCHandle>
 ;* V19 loc16        [V19    ] (  0,  0   )  struct (16) zero-ref    <System.Span`1[char]>
 ;* V20 loc17        [V20    ] (  0,  0   )     int  ->  zero-ref    single-def
 ;* V21 loc18        [V21    ] (  0,  0   )  struct (56) zero-ref    do-not-enreg[SF] ld-addr-op <Silk.NET.Assimp.File>
 ;  V22 OutArgs      [V22    ] (  1,  1   )  struct (16) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <UNNAMED>
 ;  V23 tmp1         [V23,T03] (  4,  7   )     ref  ->  r14         single-def "ISINST eval op1"
 ;* V24 tmp2         [V24    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "spilling qmarkNull" <Silk.NET.Assimp.CustomFileIO>
 ;  V25 tmp3         [V25,T23] (  2,  3   )     ref  ->  [rbp-0xB0]  class-hnd exact spill-single-def ptr "impAppendStmt" <System.Text.UTF8Encoding+UTF8EncodingSealed>
 ;* V26 tmp4         [V26    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.ReadOnlySpan`1[byte]>
 ;* V27 tmp5         [V27    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[char]>
 ;  V28 tmp6         [V28,T24] (  2,  3   )     ref  ->  r12         class-hnd exact single-def "impAppendStmt" <System.Text.UTF8Encoding+UTF8EncodingSealed>
 ;* V29 tmp7         [V29    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.ReadOnlySpan`1[byte]>
 ;  V30 tmp8         [V30,T32] (  3,  2   )     int  ->  r14        
 ;  V31 tmp9         [V31,T33] (  3,  2   )     int  ->  r12        
 ;  V32 tmp10        [V32,T34] (  3,  2   )     int  ->  rax        
 ;  V33 tmp11        [V33,T26] (  4,  2.50)     int  ->  rcx        
 ;  V34 tmp12        [V34,T27] (  4,  2.50)     int  ->   r8        
 ;  V35 tmp13        [V35,T08] (  3,  6   )     ref  ->  rax         class-hnd exact single-def "impAppendStmt" <Silk.NET.Assimp.OpenFileCustomIOCallback>
 ;* V36 tmp14        [V36    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.ReadOnlySpan`1[char]>
 ;  V37 tmp15        [V37,T43] (  3,  0   )     ref  ->  r15         class-hnd exact single-def "NewObj constructor temp" <System.InvalidOperationException>
 ;  V38 tmp16        [V38,T44] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.ArgumentException>
 ;  V39 tmp17        [V39,T45] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.ArgumentException>
 ;  V40 tmp18        [V40,T21] (  3,  3   )     ref  ->  rax         class-hnd exact single-def "NewArr temp" <char[]>
 ;  V41 tmp19        [V41,T46] (  3,  0   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.InvalidOperationException>
 ;  V42 tmp20        [V42,T09] (  3,  6   )    long  ->  rdx         "Inlining Arg"
 ;* V43 tmp21        [V43    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "NewObj constructor temp" <System.Runtime.InteropServices.GCHandle>
 ;* V44 tmp22        [V44    ] (  0,  0   )    long  ->  zero-ref    "dup spill"
 ;* V45 tmp23        [V45    ] (  0,  0   )    long  ->  zero-ref    ld-addr-op "NewObj constructor temp"
 ;* V46 tmp24        [V46    ] (  0,  0   )    long  ->  zero-ref    "Inlining Arg"
 ;* V47 tmp25        [V47    ] (  0,  0   )    long  ->  zero-ref    "Inlining Arg"
 ;* V48 tmp26        [V48    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
 ;* V49 tmp27        [V49    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
 ;* V50 tmp28        [V50    ] (  0,  0   )   byref  ->  zero-ref    single-def "Inlining Arg"
 ;* V51 tmp29        [V51    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
 ;* V52 tmp30        [V52    ] (  0,  0   )     int  ->  zero-ref    single-def "Inline return value spill temp"
 ;* V53 tmp31        [V53    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;  V54 tmp32        [V54    ] (  2,  2   )   byref  ->  [rbp-0x38]  do-not-enreg[] must-init pinned ptr "Inline stloc first use temp"
 ;* V55 tmp33        [V55    ] (  0,  0   )    long  ->  zero-ref    single-def "Inline stloc first use temp"
 ;* V56 tmp34        [V56    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V57 tmp35        [V57    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
 ;* V58 tmp36        [V58    ] (  0,  0   )     int  ->  zero-ref    ld-addr-op single-def "Inline ldloca(s) first use temp"
 ;  V59 tmp37        [V59,T11] (  9,  5.50)     int  ->  [rbp-0x3C]  ptr "Inline stloc first use temp"
 ;  V60 tmp38        [V60    ] (  2,  2   )     int  ->  [rbp-0x48]  do-not-enreg[X] must-init addr-exposed ld-addr-op ptr "Inline ldloca(s) first use temp"
 ;  V61 tmp39        [V61    ] (  1,  1   )     int  ->  [rbp-0x50]  do-not-enreg[X] must-init addr-exposed ld-addr-op "Inline ldloca(s) first use temp"
 ;  V62 tmp40        [V62,T18] (  4,  3.50)     int  ->  rcx         single-def "Inline stloc first use temp"
 ;* V63 tmp41        [V63    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.Span`1[char]>
 ;  V64 tmp42        [V64,T37] (  2,  2   )    long  ->  rax         "Inlining Arg"
 ;* V65 tmp43        [V65    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
 ;* V66 tmp44        [V66    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
 ;* V67 tmp45        [V67    ] (  0,  0   )   byref  ->  zero-ref    single-def "Inlining Arg"
 ;* V68 tmp46        [V68    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
 ;* V69 tmp47        [V69    ] (  0,  0   )     int  ->  zero-ref    single-def "Inline return value spill temp"
 ;* V70 tmp48        [V70    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;  V71 tmp49        [V71    ] (  2,  2   )   byref  ->  [rbp-0x58]  do-not-enreg[] must-init pinned ptr "Inline stloc first use temp"
 ;* V72 tmp50        [V72    ] (  0,  0   )    long  ->  zero-ref    single-def "Inline stloc first use temp"
 ;* V73 tmp51        [V73    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[char]>
 ;  V74 tmp52        [V74    ] (  2,  2   )   byref  ->  [rbp-0x60]  do-not-enreg[] must-init pinned ptr "Inline stloc first use temp"
 ;* V75 tmp53        [V75    ] (  0,  0   )    long  ->  zero-ref    single-def "Inline stloc first use temp"
 ;* V76 tmp54        [V76    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V77 tmp55        [V77    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[char]>
 ;* V78 tmp56        [V78    ] (  0,  0   )     int  ->  zero-ref    "Inline return value spill temp"
 ;* V79 tmp57        [V79    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
 ;* V80 tmp58        [V80    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
 ;  V81 tmp59        [V81,T28] (  3,  2.50)     int  ->   r9         ld-addr-op single-def "Inline ldloca(s) first use temp"
 ;  V82 tmp60        [V82,T39] (  2,  1.50)     int  ->  rdi         single-def "Inline stloc first use temp"
 ;  V83 tmp61        [V83    ] (  2,  2   )    long  ->  [rbp-0x68]  do-not-enreg[X] must-init addr-exposed ld-addr-op ptr "Inline ldloca(s) first use temp"
 ;  V84 tmp62        [V84    ] (  2,  2   )    long  ->  [rbp-0x70]  do-not-enreg[X] must-init addr-exposed ld-addr-op ptr "Inline ldloca(s) first use temp"
 ;* V85 tmp63        [V85    ] (  0,  0   )  struct (16) zero-ref    "Inlining Arg" <System.Span`1[byte]>
 ;* V86 tmp64        [V86    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.ReadOnlySpan`1[byte]>
 ;* V87 tmp65        [V87    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
 ;* V88 tmp66        [V88    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
 ;* V89 tmp67        [V89    ] (  0,  0   )   byref  ->  zero-ref    single-def "Inlining Arg"
 ;* V90 tmp68        [V90    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
 ;* V91 tmp69        [V91    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V92 tmp70        [V92    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V93 tmp71        [V93    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V94 tmp72        [V94    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V95 tmp73        [V95    ] (  0,  0   )   byref  ->  zero-ref    single-def "Inlining Arg"
 ;* V96 tmp74        [V96    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
 ;* V97 tmp75        [V97    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V98 tmp76        [V98    ] (  0,  0   )  struct (16) zero-ref    "Inlining Arg" <System.Span`1[byte]>
 ;* V99 tmp77        [V99    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.ReadOnlySpan`1[byte]>
 ;* V100 tmp78       [V100    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
 ;* V101 tmp79       [V101    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
 ;* V102 tmp80       [V102    ] (  0,  0   )   byref  ->  zero-ref    single-def "Inlining Arg"
 ;* V103 tmp81       [V103    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
 ;* V104 tmp82       [V104    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V105 tmp83       [V105    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V106 tmp84       [V106    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V107 tmp85       [V107    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V108 tmp86       [V108    ] (  0,  0   )   byref  ->  zero-ref    single-def "Inlining Arg"
 ;* V109 tmp87       [V109    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
 ;* V110 tmp88       [V110    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V111 tmp89       [V111    ] (  0,  0   )  struct (16) zero-ref    "Inlining Arg" <System.Span`1[byte]>
 ;* V112 tmp90       [V112    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.ReadOnlySpan`1[byte]>
 ;* V113 tmp91       [V113    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
 ;* V114 tmp92       [V114    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
 ;* V115 tmp93       [V115    ] (  0,  0   )   byref  ->  zero-ref    single-def "Inlining Arg"
 ;* V116 tmp94       [V116    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
 ;* V117 tmp95       [V117    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V118 tmp96       [V118    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V119 tmp97       [V119    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V120 tmp98       [V120    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V121 tmp99       [V121    ] (  0,  0   )   byref  ->  zero-ref    single-def "Inlining Arg"
 ;* V122 tmp100      [V122    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
 ;* V123 tmp101      [V123    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V124 tmp102      [V124    ] (  0,  0   )  struct (16) zero-ref    "Inlining Arg" <System.Span`1[byte]>
 ;* V125 tmp103      [V125    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.ReadOnlySpan`1[byte]>
 ;* V126 tmp104      [V126    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
 ;* V127 tmp105      [V127    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[byte]>
 ;* V128 tmp106      [V128    ] (  0,  0   )   byref  ->  zero-ref    single-def "Inlining Arg"
 ;* V129 tmp107      [V129    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
 ;* V130 tmp108      [V130    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V131 tmp109      [V131    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V132 tmp110      [V132    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V133 tmp111      [V133    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
 ;* V134 tmp112      [V134    ] (  0,  0   )   byref  ->  zero-ref    single-def "Inlining Arg"
 ;* V135 tmp113      [V135    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
 ;* V136 tmp114      [V136    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.ReadOnlySpan`1[byte]>
 ;* V137 tmp115      [V137    ] (  0,  0   )  struct (16) zero-ref    "Inlining Arg" <System.Span`1[byte]>
 ;* V138 tmp116      [V138    ] (  0,  0   )  struct (16) zero-ref    "spilled call-like call argument" <System.ReadOnlySpan`1[byte]>
 ;* V139 tmp117      [V139    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[byte]>
 ;* V140 tmp118      [V140    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan
... truncated for GitHub; see the full report in the diff browser ...
    System.Runtime.CompilerServices.AsyncProfiler+ContinuationWrapper:InitContinuationWrappers():System.Runtime.CompilerServices.AsyncProfiler+ContinuationWrapper+ContinuationWrapperTable (FullOpts) (79 -> 79 bytes (0))

    Assembly: System.Private.CoreLib.dasm

    @@ -1,76 +1,76 @@
 ; Assembly listing for method System.Runtime.CompilerServices.AsyncProfiler+ContinuationWrapper:InitContinuationWrappers():System.Runtime.CompilerServices.AsyncProfiler+ContinuationWrapper+ContinuationWrapperTable (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 32 single block inlinees; 0 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 RetBuf       [V00,T00] (  7,  7   )    long  ->  rdi         single-def
 ;* V01 loc0         [V01    ] (  0,  0   )  struct (256) zero-ref    do-not-enreg[SF] ld-addr-op <System.Runtime.CompilerServices.AsyncProfiler+ContinuationWrapper+ContinuationWrapperTable>
 ;# V02 OutArgs      [V02    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;* V03 tmp1         [V03    ] (  0,  0   )    long  ->  zero-ref    "V01.[000..008)"
 ;* V04 tmp2         [V04    ] (  0,  0   )    long  ->  zero-ref    "V01.[008..016)"
 ;* V05 tmp3         [V05    ] (  0,  0   )    long  ->  zero-ref    "V01.[016..024)"
 ;* V06 tmp4         [V06    ] (  0,  0   )    long  ->  zero-ref    "V01.[024..032)"
 ;* V07 tmp5         [V07    ] (  0,  0   )    long  ->  zero-ref    "V01.[032..040)"
 ;* V08 tmp6         [V08    ] (  0,  0   )    long  ->  zero-ref    "V01.[040..048)"
 ;* V09 tmp7         [V09    ] (  0,  0   )    long  ->  zero-ref    "V01.[048..056)"
 ;* V10 tmp8         [V10    ] (  0,  0   )    long  ->  zero-ref    "V01.[056..064)"
 ;* V11 tmp9         [V11    ] (  0,  0   )    long  ->  zero-ref    "V01.[064..072)"
 ;* V12 tmp10        [V12    ] (  0,  0   )    long  ->  zero-ref    "V01.[072..080)"
 ;* V13 tmp11        [V13    ] (  0,  0   )    long  ->  zero-ref    "V01.[080..088)"
 ;* V14 tmp12        [V14    ] (  0,  0   )    long  ->  zero-ref    "V01.[088..096)"
 ;* V15 tmp13        [V15    ] (  0,  0   )    long  ->  zero-ref    "V01.[096..104)"
 ;* V16 tmp14        [V16    ] (  0,  0   )    long  ->  zero-ref    "V01.[104..112)"
 ;* V17 tmp15        [V17    ] (  0,  0   )    long  ->  zero-ref    "V01.[112..120)"
 ;* V18 tmp16        [V18    ] (  0,  0   )    long  ->  zero-ref    "V01.[120..128)"
 ;* V19 tmp17        [V19    ] (  0,  0   )    long  ->  zero-ref    "V01.[128..136)"
 ;* V20 tmp18        [V20    ] (  0,  0   )    long  ->  zero-ref    "V01.[136..144)"
 ;* V21 tmp19        [V21    ] (  0,  0   )    long  ->  zero-ref    "V01.[144..152)"
 ;* V22 tmp20        [V22    ] (  0,  0   )    long  ->  zero-ref    "V01.[152..160)"
 ;* V23 tmp21        [V23    ] (  0,  0   )    long  ->  zero-ref    "V01.[160..168)"
 ;* V24 tmp22        [V24    ] (  0,  0   )    long  ->  zero-ref    "V01.[168..176)"
 ;* V25 tmp23        [V25    ] (  0,  0   )    long  ->  zero-ref    "V01.[176..184)"
 ;* V26 tmp24        [V26    ] (  0,  0   )    long  ->  zero-ref    "V01.[184..192)"
 ;* V27 tmp25        [V27    ] (  0,  0   )    long  ->  zero-ref    "V01.[192..200)"
 ;* V28 tmp26        [V28    ] (  0,  0   )    long  ->  zero-ref    "V01.[200..208)"
 ;* V29 tmp27        [V29    ] (  0,  0   )    long  ->  zero-ref    "V01.[208..216)"
 ;* V30 tmp28        [V30    ] (  0,  0   )    long  ->  zero-ref    "V01.[216..224)"
 ;* V31 tmp29        [V31    ] (  0,  0   )    long  ->  zero-ref    "V01.[224..232)"
 ;* V32 tmp30        [V32    ] (  0,  0   )    long  ->  zero-ref    "V01.[232..240)"
 ;* V33 tmp31        [V33    ] (  0,  0   )    long  ->  zero-ref    "V01.[240..248)"
 ;* V34 tmp32        [V34    ] (  0,  0   )    long  ->  zero-ref    "V01.[248..256)"
 ;
 ; Lcl frame size = 0
 
 G_M36615_IG01:
        push     rbp
        mov      rbp, rsp
 						;; size=4 bbWeight=1 PerfScore 1.25
 G_M36615_IG02:
        vmovups  zmm0, zmmword ptr [reloc @RWD00]
        vmovups  zmmword ptr [rdi], zmm0
        vmovups  zmm0, zmmword ptr [reloc @RWD64]
        vmovups  zmmword ptr [rdi+0x40], zmm0
        vmovups  zmm0, zmmword ptr [reloc @RWD128]
        vmovups  zmmword ptr [rdi+0x80], zmm0
        vmovups  zmm0, zmmword ptr [reloc @RWD192]
        vmovups  zmmword ptr [rdi+0xC0], zmm0
        mov      rax, rdi
 						;; size=70 bbWeight=1 PerfScore 20.25
 G_M36615_IG03:
        vzeroupper 
        pop      rbp
        ret      
 						;; size=5 bbWeight=1 PerfScore 2.50
-RWD00  	dq	00007ED229BE1158h, 00007ED229BE1170h, 00007ED229BE1188h, 00007ED229BE11A0h, 00007ED229BE11B8h, 00007ED229BE11D0h, 00007ED229BE11E8h, 00007ED229BE1200h
-RWD64  	dq	00007ED229BE1218h, 00007ED229BE1230h, 00007ED229BE1248h, 00007ED229BE1260h, 00007ED229BE1278h, 00007ED229BE1290h, 00007ED229BE12A8h, 00007ED229BE12C0h
-RWD128 	dq	00007ED229BE12D8h, 00007ED229BE12F0h, 00007ED229BE1308h, 00007ED229BE1320h, 00007ED229BE1338h, 00007ED229BE1350h, 00007ED229BE1368h, 00007ED229BE1380h
-RWD192 	dq	00007ED229BE1398h, 00007ED229BE13B0h, 00007ED229BE13C8h, 00007ED229BE13E0h, 00007ED229BE13F8h, 00007ED229BE1410h, 00007ED229BE1428h, 00007ED229BE1440h
+RWD00  	dq	000076E4AEDE1158h, 000076E4AEDE1170h, 000076E4AEDE1188h, 000076E4AEDE11A0h, 000076E4AEDE11B8h, 000076E4AEDE11D0h, 000076E4AEDE11E8h, 000076E4AEDE1200h
+RWD64  	dq	000076E4AEDE1218h, 000076E4AEDE1230h, 000076E4AEDE1248h, 000076E4AEDE1260h, 000076E4AEDE1278h, 000076E4AEDE1290h, 000076E4AEDE12A8h, 000076E4AEDE12C0h
+RWD128 	dq	000076E4AEDE12D8h, 000076E4AEDE12F0h, 000076E4AEDE1308h, 000076E4AEDE1320h, 000076E4AEDE1338h, 000076E4AEDE1350h, 000076E4AEDE1368h, 000076E4AEDE1380h
+RWD192 	dq	000076E4AEDE1398h, 000076E4AEDE13B0h, 000076E4AEDE13C8h, 000076E4AEDE13E0h, 000076E4AEDE13F8h, 000076E4AEDE1410h, 000076E4AEDE1428h, 000076E4AEDE1440h
 
 
 ; Total bytes of code 79, prolog size 4, PerfScore 24.00, instruction count 14, allocated bytes for code 79 (MethodHash=14f070f8) for method System.Runtime.CompilerServices.AsyncProfiler+ContinuationWrapper:InitContinuationWrappers():System.Runtime.CompilerServices.AsyncProfiler+ContinuationWrapper+ContinuationWrapperTable (FullOpts)
 ; ============================================================
    System.Runtime.CompilerServices.RuntimeAsyncTaskContinuation+TaskContinuationResume:.cctor() (FullOpts) (167 -> 167 bytes (0))

    Assembly: System.Private.CoreLib.dasm

    @@ -1,73 +1,73 @@
 ; Assembly listing for method System.Runtime.CompilerServices.RuntimeAsyncTaskContinuation+TaskContinuationResume:.cctor() (FullOpts)
 ; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; partially interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 0 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;* V00 loc0         [V00    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op <System.Runtime.CompilerServices.ResumeInfo>
 ;# V01 OutArgs      [V01    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
 ;  V02 tmp1         [V02,T00] (  4,  8   )     ref  ->  rbx         class-hnd exact single-def "NewObj constructor temp" <System.Threading.SendOrPostCallback>
 ;  V03 tmp2         [V03,T01] (  3,  6   )     ref  ->  rsi         class-hnd exact single-def "Inlining Arg" <System.Runtime.CompilerServices.RuntimeAsyncTaskContinuation+TaskContinuationResume+<>c>
 ;* V04 tmp3         [V04    ] (  0,  0   )    long  ->  zero-ref    "field V00.Resume (fldOffset=0x0)" P-INDEP
 ;* V05 tmp4         [V05    ] (  0,  0   )    long  ->  zero-ref    "field V00.DiagnosticIP (fldOffset=0x8)" P-INDEP
 ;  V06 cse0         [V06,T02] (  2,  2   )    long  ->  rdi         "CSE #01: aggressive"
 ;
 ; Lcl frame size = 8
 
 G_M63124_IG01:
        push     rbp
        push     rbx
        push     rax
        lea      rbp, [rsp+0x10]
 						;; size=8 bbWeight=1 PerfScore 3.50
 G_M63124_IG02:
        mov      rdi, 0xD1FFAB1E      ; data for System.Runtime.CompilerServices.RuntimeAsyncTaskContinuation+TaskContinuationResume:ResumeInfo
        vmovsd   xmm0, qword ptr [reloc @RWD00]
        vmovups  xmmword ptr [rdi], xmm0
        mov      rdi, 0xD1FFAB1E      ; System.Threading.SendOrPostCallback
        call     CORINFO_HELP_NEWSFAST
        mov      rbx, rax
        mov      rdi, 0xD1FFAB1E      ; global ptr
        test     byte  ptr [rdi], 1
        je       SHORT G_M63124_IG05
 						;; size=55 bbWeight=1 PerfScore 8.00
 G_M63124_IG03:
        mov      rdi, 0xD1FFAB1E      ; data for System.Runtime.CompilerServices.RuntimeAsyncTaskContinuation+TaskContinuationResume+<>c:<>9
        mov      rsi, gword ptr [rdi]
        test     rsi, rsi
        je       SHORT G_M63124_IG06
        lea      rdi, bword ptr [rbx+0x10]
        call     CORINFO_HELP_ASSIGN_REF
        mov      rdi, 0xD1FFAB1E      ; code for System.Runtime.CompilerServices.RuntimeAsyncTaskContinuation+TaskContinuationResume+<>c:<.cctor>b__3_0(System.Object):this
        mov      qword ptr [rbx+0x18], rdi
        mov      rdi, 0xD1FFAB1E      ; data for System.Runtime.CompilerServices.RuntimeAsyncTaskContinuation+TaskContinuationResume:s_postCallback
        mov      rsi, rbx
        call     CORINFO_HELP_ASSIGN_REF
        nop      
 						;; size=60 bbWeight=1 PerfScore 8.00
 G_M63124_IG04:
        add      rsp, 8
        pop      rbx
        pop      rbp
        ret      
 						;; size=7 bbWeight=1 PerfScore 2.25
 G_M63124_IG05:
        mov      rdi, 0xD1FFAB1E      ; System.Runtime.CompilerServices.RuntimeAsyncTaskContinuation+TaskContinuationResume+<>c
        mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_GET_GCSTATIC_BASE
        call     [rax]CORINFO_HELP_GET_GCSTATIC_BASE
        jmp      SHORT G_M63124_IG03
 						;; size=24 bbWeight=0 PerfScore 0.00
 G_M63124_IG06:
        mov      rax, 0xD1FFAB1E      ; code for System.Delegate:ThrowNullThisInDelegateToInstance()
        call     [rax]System.Delegate:ThrowNullThisInDelegateToInstance()
        int3     
 						;; size=13 bbWeight=0 PerfScore 0.00
-RWD00  	dq	00007ED229BE1530h
+RWD00  	dq	000076E4AEDE1530h
 
 
 ; Total bytes of code 167, prolog size 8, PerfScore 21.75, instruction count 36, allocated bytes for code 167 (MethodHash=4e05096b) for method System.Runtime.CompilerServices.RuntimeAsyncTaskContinuation+TaskContinuationResume:.cctor() (FullOpts)
 ; ============================================================

    Showing 5 of 5 reported examples in this category.

    Browse all JIT diff results and examples

  4. MihuBot commented on Oct 28, 2026

    @MihuBot
    MihuBot
    on Oct 28, 2026
    OwnerAuthor

    @MihaZupan

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