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; Assembly listing for method System.Net.Sockets.Socket:ReceiveAsync(System.ArraySegment`1[ubyte],int):System.Threading.Tasks.Task`1[int]:this

G_M54425_IG01:

push r15

push r14

push r12

push rdi

push rsi

push rbp

push rbx

sub rsp, 96

vxorps xmm4, xmm4

vmovdqa xmmword ptr [rsp+20H], xmm4

vmovdqa xmmword ptr [rsp+30H], xmm4

vmovdqa xmmword ptr [rsp+40H], xmm4

vmovdqa xmmword ptr [rsp+50H], xmm4

mov rsi, rcx

mov edi, r8d

;; size=48 bbWeight=1 PerfScore 16.08

G_M54425_IG02:

mov rbx, gword ptr [rdx]

mov ebp, dword ptr [rdx+08H]

mov r14d, dword ptr [rdx+0CH]

mov gword ptr [rsp+30H], rbx

mov dword ptr [rsp+38H], ebp

mov dword ptr [rsp+3CH], r14d

lea rcx, [rsp+30H]

call [System.Net.Sockets.Socket:ValidateBuffer(System.ArraySegment`1[ubyte])]

test rbx, rbx

jne SHORT G_M54425_IG04

;; size=40 bbWeight=1 PerfScore 13.75

G_M54425_IG03:

or ebp, r14d

jne G_M54425_IG13

jne G_M54425_IG15

xor rbp, rbp

xor r15d, r15d

xor r12d, r12d

jmp SHORT G_M54425_IG05

;; size=19 bbWeight=0.50 PerfScore 2.00

G_M54425_IG04:

mov ecx, ebp

mov edx, r14d

add rcx, rdx

mov edx, dword ptr [rbx+08H]

cmp rcx, rdx

ja G_M54425_IG13

ja G_M54425_IG15

mov r15d, ebp

mov r12d, r14d

mov rbp, rbx

;; size=29 bbWeight=0.50 PerfScore 2.38

G_M54425_IG05:

cmp byte ptr [rsi], sil

lea rcx, bword ptr [rsi+30H]

xor rdx, rdx

call System.Threading.Interlocked:Exchange(byref,System.Object):System.Object

mov rbx, rax

test rbx, rbx

jne SHORT G_M54425_IG07

;; size=22 bbWeight=1 PerfScore 6.25

G_M54425_IG06:

mov rcx, 0xD1FFAB1E ; System.Net.Sockets.Socket+AwaitableSocketAsyncEventArgs

call CORINFO_HELP_NEWFAST

mov rbx, rax

mov rcx, 0xD1FFAB1E ; System.Runtime.CompilerServices.StrongBox`1[System.Net.Sockets.SocketAsyncEventArgs]

call CORINFO_HELP_NEWSFAST

lea rcx, bword ptr [rbx+B8H]

mov rdx, rax

call CORINFO_HELP_ASSIGN_REF

mov byte ptr [rbx+FAH], 0

mov rcx, rbx

call [System.Net.Sockets.SocketAsyncEventArgs:InitializeInternals():this]

lea rcx, bword ptr [rbx+150H]

mov rdx, rsi

call CORINFO_HELP_ASSIGN_REF

mov byte ptr [rbx+172H], 1

;; size=86 bbWeight=0.50 PerfScore 5.75

G_M54425_IG07:

mov rcx, rbx

mov gword ptr [rsp+20H], rbp

mov dword ptr [rsp+28H], r15d

mov dword ptr [rsp+2CH], r12d

lea rdx, [rsp+20H]

cmp dword ptr [rcx], ecx

call [System.Net.Sockets.SocketAsyncEventArgs:SetBuffer(System.Memory`1[ubyte]):this]

mov dword ptr [rbx+ECH], edi

mov byte ptr [rbx+173H], 0

lea rdx, [rsp+40H]

mov rcx, rbx

mov r8, rsi

xor r9, r9

call [System.Net.Sockets.Socket+AwaitableSocketAsyncEventArgs:ReceiveAsync(System.Net.Sockets.Socket,System.Threading.CancellationToken):System.Threading.Tasks.ValueTask`1[int]:this]

mov rcx, gword ptr [rsp+40H]

mov gword ptr [rsp+50H], rcx

mov ecx, dword ptr [rsp+48H]

mov dword ptr [rsp+58H], ecx

movsx rcx, word ptr [rsp+4CH]

mov word ptr [rsp+5CH], cx

movzx rcx, byte ptr [rsp+4EH]

mov byte ptr [rsp+5EH], cl

mov rsi, gword ptr [rsp+50H]

test rsi, rsi

jne SHORT G_M54425_IG09

jne SHORT G_M54425_IG11

;; size=112 bbWeight=1 PerfScore 28.25

G_M54425_IG08:

mov ecx, dword ptr [rsp+58H]

mov esi, dword ptr [rsp+58H]

call [System.Threading.Tasks.Task:FromResult[int](int):System.Threading.Tasks.Task`1[int]]

mov edi, esi

jmp SHORT G_M54425_IG11

inc edi

;; size=12 bbWeight=0.50 PerfScore 3.00

cmp edi, 10

jae SHORT G_M54425_IG09

mov rcx, 0xD1FFAB1E

mov edx, 986

call CORINFO_HELP_GETSHARED_NONGCSTATIC_BASE

mov rcx, 0xD1FFAB1E ; data for System.Threading.Tasks.TaskCache:s_int32Tasks

mov rcx, gword ptr [rcx]

cmp edi, dword ptr [rcx+08H]

jae SHORT G_M54425_IG16

mov eax, edi

mov rax, gword ptr [rcx+8*rax+10H]

jmp SHORT G_M54425_IG10

;; size=60 bbWeight=0.50 PerfScore 7.38

G_M54425_IG09:

mov rcx, 0xD1FFAB1E ; System.Threading.Tasks.Task`1[int]

call CORINFO_HELP_NEWSFAST

mov dword ptr [rax+34H], 0xD1FFAB1E

mov dword ptr [rax+38H], esi

;; size=25 bbWeight=0.50 PerfScore 1.62

G_M54425_IG10:

jmp SHORT G_M54425_IG13

;; size=2 bbWeight=0.50 PerfScore 1.00

G_M54425_IG11:

mov rdx, rsi

mov rcx, 0xD1FFAB1E ; System.Threading.Tasks.Task`1[int]

call [CORINFO_HELP_ISINSTANCEOFCLASS]

test rax, rax

je SHORT G_M54425_IG10

je SHORT G_M54425_IG12

jmp SHORT G_M54425_IG11

jmp SHORT G_M54425_IG13

;; size=26 bbWeight=0.50 PerfScore 3.38

G_M54425_IG10:

G_M54425_IG12:

lea rcx, bword ptr [rsp+50H]

mov rdx, rsi

call [System.Threading.Tasks.ValueTask`1[int]:GetTaskForValueTaskSource(System.Threading.Tasks.Sources.IValueTaskSource`1[int]):System.Threading.Tasks.Task`1[int]:this]

;; size=14 bbWeight=0.50 PerfScore 1.88

G_M54425_IG11:

G_M54425_IG13:

nop

;; size=1 bbWeight=1 PerfScore 0.25

G_M54425_IG12:

G_M54425_IG14:

add rsp, 96

pop rbx

pop rbp

pop rsi

pop rdi

pop r12

pop r14

pop r15

ret

;; size=15 bbWeight=1 PerfScore 4.75

G_M54425_IG13:

G_M54425_IG15:

call [System.ThrowHelper:ThrowArgumentOutOfRangeException()]

int3

;; size=7 bbWeight=0 PerfScore 0.00

G_M54425_IG16:

call CORINFO_HELP_RNGCHKFAIL

int3

;; size=6 bbWeight=0 PerfScore 0.00

; Total bytes of code 431, prolog size 42, PerfScore 131.31, instruction count 111, allocated bytes for code 436 (MethodHash=979a2b66) for method System.Net.Sockets.Socket:ReceiveAsync(System.ArraySegment`1[ubyte],int):System.Threading.Tasks.Task`1[int]:this

; Total bytes of code 512, prolog size 42, PerfScore 146.41, instruction count 130, allocated bytes for code 517 (MethodHash=979a2b66) for method System.Net.Sockets.Socket:ReceiveAsync(System.ArraySegment`1[ubyte],int):System.Threading.Tasks.Task`1[int]:this

; ============================================================

Saved diffs

Original text

Open file

; Assembly listing for method System.Net.Sockets.Socket:ReceiveAsync(System.ArraySegment`1[ubyte],int):System.Threading.Tasks.Task`1[int]:this

G_M54425_IG01:
       push     r15
       push     r14
       push     r12
       push     rdi
       push     rsi
       push     rbp
       push     rbx
       sub      rsp, 96
       vxorps   xmm4, xmm4
       vmovdqa  xmmword ptr [rsp+20H], xmm4
       vmovdqa  xmmword ptr [rsp+30H], xmm4
       vmovdqa  xmmword ptr [rsp+40H], xmm4
       vmovdqa  xmmword ptr [rsp+50H], xmm4
       mov      rsi, rcx
       mov      edi, r8d
						;; size=48 bbWeight=1    PerfScore 16.08
G_M54425_IG02:
       mov      rbx, gword ptr [rdx]
       mov      ebp, dword ptr [rdx+08H]
       mov      r14d, dword ptr [rdx+0CH]
       mov      gword ptr [rsp+30H], rbx
       mov      dword ptr [rsp+38H], ebp
       mov      dword ptr [rsp+3CH], r14d
       lea      rcx, [rsp+30H]
       call     [System.Net.Sockets.Socket:ValidateBuffer(System.ArraySegment`1[ubyte])]
       test     rbx, rbx
       jne      SHORT G_M54425_IG04
						;; size=40 bbWeight=1    PerfScore 13.75
G_M54425_IG03:
       or       ebp, r14d
       jne      G_M54425_IG13
       xor      rbp, rbp
       xor      r15d, r15d
       xor      r12d, r12d
       jmp      SHORT G_M54425_IG05
						;; size=19 bbWeight=0.50 PerfScore 2.00
G_M54425_IG04:
       mov      ecx, ebp
       mov      edx, r14d
       add      rcx, rdx
       mov      edx, dword ptr [rbx+08H]
       cmp      rcx, rdx
       ja       G_M54425_IG13
       mov      r15d, ebp
       mov      r12d, r14d
       mov      rbp, rbx
						;; size=29 bbWeight=0.50 PerfScore 2.38
G_M54425_IG05:
       cmp      byte  ptr [rsi], sil
       lea      rcx, bword ptr [rsi+30H]
       xor      rdx, rdx
       call     System.Threading.Interlocked:Exchange(byref,System.Object):System.Object
       mov      rbx, rax
       test     rbx, rbx
       jne      SHORT G_M54425_IG07
						;; size=22 bbWeight=1    PerfScore 6.25
G_M54425_IG06:
       mov      rcx, 0xD1FFAB1E      ; System.Net.Sockets.Socket+AwaitableSocketAsyncEventArgs
       call     CORINFO_HELP_NEWFAST
       mov      rbx, rax
       mov      rcx, 0xD1FFAB1E      ; System.Runtime.CompilerServices.StrongBox`1[System.Net.Sockets.SocketAsyncEventArgs]
       call     CORINFO_HELP_NEWSFAST
       lea      rcx, bword ptr [rbx+B8H]
       mov      rdx, rax
       call     CORINFO_HELP_ASSIGN_REF
       mov      byte  ptr [rbx+FAH], 0
       mov      rcx, rbx
       call     [System.Net.Sockets.SocketAsyncEventArgs:InitializeInternals():this]
       lea      rcx, bword ptr [rbx+150H]
       mov      rdx, rsi
       call     CORINFO_HELP_ASSIGN_REF
       mov      byte  ptr [rbx+172H], 1
						;; size=86 bbWeight=0.50 PerfScore 5.75
G_M54425_IG07:
       mov      rcx, rbx
       mov      gword ptr [rsp+20H], rbp
       mov      dword ptr [rsp+28H], r15d
       mov      dword ptr [rsp+2CH], r12d
       lea      rdx, [rsp+20H]
       cmp      dword ptr [rcx], ecx
       call     [System.Net.Sockets.SocketAsyncEventArgs:SetBuffer(System.Memory`1[ubyte]):this]
       mov      dword ptr [rbx+ECH], edi
       mov      byte  ptr [rbx+173H], 0
       lea      rdx, [rsp+40H]
       mov      rcx, rbx
       mov      r8, rsi
       xor      r9, r9
       call     [System.Net.Sockets.Socket+AwaitableSocketAsyncEventArgs:ReceiveAsync(System.Net.Sockets.Socket,System.Threading.CancellationToken):System.Threading.Tasks.ValueTask`1[int]:this]
       mov      rcx, gword ptr [rsp+40H]
       mov      gword ptr [rsp+50H], rcx
       mov      ecx, dword ptr [rsp+48H]
       mov      dword ptr [rsp+58H], ecx
       movsx    rcx, word  ptr [rsp+4CH]
       mov      word  ptr [rsp+5CH], cx
       movzx    rcx, byte  ptr [rsp+4EH]
       mov      byte  ptr [rsp+5EH], cl
       mov      rsi, gword ptr [rsp+50H]
       test     rsi, rsi
       jne      SHORT G_M54425_IG09
						;; size=112 bbWeight=1    PerfScore 28.25
G_M54425_IG08:
       mov      ecx, dword ptr [rsp+58H]
       call     [System.Threading.Tasks.Task:FromResult[int](int):System.Threading.Tasks.Task`1[int]]
       jmp      SHORT G_M54425_IG11
						;; size=12 bbWeight=0.50 PerfScore 3.00
G_M54425_IG09:
       mov      rdx, rsi
       mov      rcx, 0xD1FFAB1E      ; System.Threading.Tasks.Task`1[int]
       call     [CORINFO_HELP_ISINSTANCEOFCLASS]
       test     rax, rax
       je       SHORT G_M54425_IG10
       jmp      SHORT G_M54425_IG11
						;; size=26 bbWeight=0.50 PerfScore 3.38
G_M54425_IG10:
       lea      rcx, bword ptr [rsp+50H]
       mov      rdx, rsi
       call     [System.Threading.Tasks.ValueTask`1[int]:GetTaskForValueTaskSource(System.Threading.Tasks.Sources.IValueTaskSource`1[int]):System.Threading.Tasks.Task`1[int]:this]
						;; size=14 bbWeight=0.50 PerfScore 1.88
G_M54425_IG11:
       nop      
						;; size=1 bbWeight=1    PerfScore 0.25
G_M54425_IG12:
       add      rsp, 96
       pop      rbx
       pop      rbp
       pop      rsi
       pop      rdi
       pop      r12
       pop      r14
       pop      r15
       ret      
						;; size=15 bbWeight=1    PerfScore 4.75
G_M54425_IG13:
       call     [System.ThrowHelper:ThrowArgumentOutOfRangeException()]
       int3     
						;; size=7 bbWeight=0    PerfScore 0.00

Changed text

Open file

; Assembly listing for method System.Net.Sockets.Socket:ReceiveAsync(System.ArraySegment`1[ubyte],int):System.Threading.Tasks.Task`1[int]:this

G_M54425_IG01:
       push     r15
       push     r14
       push     r12
       push     rdi
       push     rsi
       push     rbp
       push     rbx
       sub      rsp, 96
       vxorps   xmm4, xmm4
       vmovdqa  xmmword ptr [rsp+20H], xmm4
       vmovdqa  xmmword ptr [rsp+30H], xmm4
       vmovdqa  xmmword ptr [rsp+40H], xmm4
       vmovdqa  xmmword ptr [rsp+50H], xmm4
       mov      rsi, rcx
       mov      edi, r8d
						;; size=48 bbWeight=1    PerfScore 16.08
G_M54425_IG02:
       mov      rbx, gword ptr [rdx]
       mov      ebp, dword ptr [rdx+08H]
       mov      r14d, dword ptr [rdx+0CH]
       mov      gword ptr [rsp+30H], rbx
       mov      dword ptr [rsp+38H], ebp
       mov      dword ptr [rsp+3CH], r14d
       lea      rcx, [rsp+30H]
       call     [System.Net.Sockets.Socket:ValidateBuffer(System.ArraySegment`1[ubyte])]
       test     rbx, rbx
       jne      SHORT G_M54425_IG04
						;; size=40 bbWeight=1    PerfScore 13.75
G_M54425_IG03:
       or       ebp, r14d
       jne      G_M54425_IG15
       xor      rbp, rbp
       xor      r15d, r15d
       xor      r12d, r12d
       jmp      SHORT G_M54425_IG05
						;; size=19 bbWeight=0.50 PerfScore 2.00
G_M54425_IG04:
       mov      ecx, ebp
       mov      edx, r14d
       add      rcx, rdx
       mov      edx, dword ptr [rbx+08H]
       cmp      rcx, rdx
       ja       G_M54425_IG15
       mov      r15d, ebp
       mov      r12d, r14d
       mov      rbp, rbx
						;; size=29 bbWeight=0.50 PerfScore 2.38
G_M54425_IG05:
       cmp      byte  ptr [rsi], sil
       lea      rcx, bword ptr [rsi+30H]
       xor      rdx, rdx
       call     System.Threading.Interlocked:Exchange(byref,System.Object):System.Object
       mov      rbx, rax
       test     rbx, rbx
       jne      SHORT G_M54425_IG07
						;; size=22 bbWeight=1    PerfScore 6.25
G_M54425_IG06:
       mov      rcx, 0xD1FFAB1E      ; System.Net.Sockets.Socket+AwaitableSocketAsyncEventArgs
       call     CORINFO_HELP_NEWFAST
       mov      rbx, rax
       mov      rcx, 0xD1FFAB1E      ; System.Runtime.CompilerServices.StrongBox`1[System.Net.Sockets.SocketAsyncEventArgs]
       call     CORINFO_HELP_NEWSFAST
       lea      rcx, bword ptr [rbx+B8H]
       mov      rdx, rax
       call     CORINFO_HELP_ASSIGN_REF
       mov      byte  ptr [rbx+FAH], 0
       mov      rcx, rbx
       call     [System.Net.Sockets.SocketAsyncEventArgs:InitializeInternals():this]
       lea      rcx, bword ptr [rbx+150H]
       mov      rdx, rsi
       call     CORINFO_HELP_ASSIGN_REF
       mov      byte  ptr [rbx+172H], 1
						;; size=86 bbWeight=0.50 PerfScore 5.75
G_M54425_IG07:
       mov      rcx, rbx
       mov      gword ptr [rsp+20H], rbp
       mov      dword ptr [rsp+28H], r15d
       mov      dword ptr [rsp+2CH], r12d
       lea      rdx, [rsp+20H]
       cmp      dword ptr [rcx], ecx
       call     [System.Net.Sockets.SocketAsyncEventArgs:SetBuffer(System.Memory`1[ubyte]):this]
       mov      dword ptr [rbx+ECH], edi
       mov      byte  ptr [rbx+173H], 0
       lea      rdx, [rsp+40H]
       mov      rcx, rbx
       mov      r8, rsi
       xor      r9, r9
       call     [System.Net.Sockets.Socket+AwaitableSocketAsyncEventArgs:ReceiveAsync(System.Net.Sockets.Socket,System.Threading.CancellationToken):System.Threading.Tasks.ValueTask`1[int]:this]
       mov      rcx, gword ptr [rsp+40H]
       mov      gword ptr [rsp+50H], rcx
       mov      ecx, dword ptr [rsp+48H]
       mov      dword ptr [rsp+58H], ecx
       movsx    rcx, word  ptr [rsp+4CH]
       mov      word  ptr [rsp+5CH], cx
       movzx    rcx, byte  ptr [rsp+4EH]
       mov      byte  ptr [rsp+5EH], cl
       mov      rsi, gword ptr [rsp+50H]
       test     rsi, rsi
       jne      SHORT G_M54425_IG11
						;; size=112 bbWeight=1    PerfScore 28.25
G_M54425_IG08:
       mov      esi, dword ptr [rsp+58H]
       mov      edi, esi
       inc      edi
       cmp      edi, 10
       jae      SHORT G_M54425_IG09
       mov      rcx, 0xD1FFAB1E
       mov      edx, 986
       call     CORINFO_HELP_GETSHARED_NONGCSTATIC_BASE
       mov      rcx, 0xD1FFAB1E      ; data for System.Threading.Tasks.TaskCache:s_int32Tasks
       mov      rcx, gword ptr [rcx]
       cmp      edi, dword ptr [rcx+08H]
       jae      SHORT G_M54425_IG16
       mov      eax, edi
       mov      rax, gword ptr [rcx+8*rax+10H]
       jmp      SHORT G_M54425_IG10
						;; size=60 bbWeight=0.50 PerfScore 7.38
G_M54425_IG09:
       mov      rcx, 0xD1FFAB1E      ; System.Threading.Tasks.Task`1[int]
       call     CORINFO_HELP_NEWSFAST
       mov      dword ptr [rax+34H], 0xD1FFAB1E
       mov      dword ptr [rax+38H], esi
						;; size=25 bbWeight=0.50 PerfScore 1.62
G_M54425_IG10:
       jmp      SHORT G_M54425_IG13
						;; size=2 bbWeight=0.50 PerfScore 1.00
G_M54425_IG11:
       mov      rdx, rsi
       mov      rcx, 0xD1FFAB1E      ; System.Threading.Tasks.Task`1[int]
       call     [CORINFO_HELP_ISINSTANCEOFCLASS]
       test     rax, rax
       je       SHORT G_M54425_IG12
       jmp      SHORT G_M54425_IG13
						;; size=26 bbWeight=0.50 PerfScore 3.38
G_M54425_IG12:
       lea      rcx, bword ptr [rsp+50H]
       mov      rdx, rsi
       call     [System.Threading.Tasks.ValueTask`1[int]:GetTaskForValueTaskSource(System.Threading.Tasks.Sources.IValueTaskSource`1[int]):System.Threading.Tasks.Task`1[int]:this]
						;; size=14 bbWeight=0.50 PerfScore 1.88
G_M54425_IG13:
       nop      
						;; size=1 bbWeight=1    PerfScore 0.25
G_M54425_IG14:
       add      rsp, 96
       pop      rbx
       pop      rbp
       pop      rsi
       pop      rdi
       pop      r12
       pop      r14
       pop      r15
       ret      
						;; size=15 bbWeight=1    PerfScore 4.75
G_M54425_IG15:
       call     [System.ThrowHelper:ThrowArgumentOutOfRangeException()]
       int3     
						;; size=7 bbWeight=0    PerfScore 0.00
G_M54425_IG16:
       call     CORINFO_HELP_RNGCHKFAIL
       int3     
						;; size=6 bbWeight=0    PerfScore 0.00