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; Assembly listing for method System.Text.Json.Utf8JsonWriter:WritePropertyName(double):this

G_M13619_IG01:

push rbp

push r15

push r14

push r13

push r12

push rdi

push rsi

push rbx

sub rsp, 120

vzeroupper

lea rbp, [rsp+30H]

vxorps xmm4, xmm4

vmovdqa xmmword ptr [rbp+10H], xmm4

vmovdqa xmmword ptr [rbp+20H], xmm4

vmovdqa xmmword ptr [rbp+30H], xmm4

mov rax, 0xD1FFAB1E

mov qword ptr [rbp], rax

mov rsi, rcx

;; size=60 bbWeight=1 PerfScore 17.58

G_M13619_IG02:

vmovd rdx, xmm1

mov r9, 0xD1FFAB1E

and rdx, r9

mov r9, 0xD1FFAB1E

cmp rdx, r9

jge G_M13619_IG19

jge G_M13619_IG22

test dword ptr [rsp], esp

sub rsp, 128

lea rdi, [rsp+30H]

mov bword ptr [rbp+10H], rdi

mov dword ptr [rbp+18H], 128

mov byte ptr [rbp+08H], 0

mov byte ptr [rbp+09H], 0

vmovaps xmm0, xmm1

lea rdx, [rbp+10H]

movsx r9, word ptr [rbp+08H]

lea r8, [rbp+40H]

call [System.Buffers.Text.Utf8Formatter:TryFormatFloatingPoint[double](double,System.Span`1[ubyte],byref,System.Buffers.StandardFormat):bool]

mov ebx, dword ptr [rbp+40H]

cmp ebx, 128

ja G_M13619_IG22

ja G_M13619_IG25

mov ecx, ebx

cmp ebx, 0xD1FFAB1E

jg G_M13619_IG20

jg G_M13619_IG23

mov ecx, dword ptr [rsi+6CH]

test cl, 2

jne SHORT G_M13619_IG04

;; size=131 bbWeight=1 PerfScore 26.00

G_M13619_IG03:

cmp byte ptr [rsi+30H], 0

je G_M13619_IG21

je G_M13619_IG24

cmp byte ptr [rsi+31H], 5

je G_M13619_IG21

je G_M13619_IG24

;; size=20 bbWeight=0.50 PerfScore 4.00

G_M13619_IG04:

test cl, 1

je G_M13619_IG13

;; size=9 bbWeight=1 PerfScore 1.25

G_M13619_IG05:

mov r14d, dword ptr [rsi+28H]

and r14d, 0xD1FFAB1E

add r14d, r14d

lea edx, [r14+rbx+07H]

mov ecx, dword ptr [rsi+44H]

sub ecx, dword ptr [rsi+2CH]

cmp ecx, edx

jge SHORT G_M13619_IG06

mov rcx, rsi

call [System.Text.Json.Utf8JsonWriter:Grow(int):this]

;; size=38 bbWeight=0.50 PerfScore 6.50

G_M13619_IG06:

lea r15, bword ptr [rsi+38H]

xor r12, r12

xor r13d, r13d

mov rcx, gword ptr [r15]

test rcx, rcx

je SHORT G_M13619_IG09

mov rdx, qword ptr [rcx]

test dword ptr [rdx], 0xD1FFAB1E

je SHORT G_M13619_IG07

lea r12, bword ptr [rcx+10H]

mov r13d, dword ptr [rcx+08H]

jmp SHORT G_M13619_IG08

;; size=39 bbWeight=0.50 PerfScore 7.38

G_M13619_IG07:

lea rdx, bword ptr [rbp+30H]

mov rax, qword ptr [rcx]

mov rax, qword ptr [rax+40H]

call [rax+28H]System.Buffers.MemoryManager`1[ubyte]:GetSpan():System.Span`1[ubyte]:this

mov r12, bword ptr [rbp+30H]

mov r13d, dword ptr [rbp+38H]

;; size=22 bbWeight=0.50 PerfScore 4.75

G_M13619_IG08:

mov ecx, dword ptr [r15+08H]

and ecx, 0xD1FFAB1E

mov edx, dword ptr [r15+0CH]

mov eax, edx

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; Assembly listing for method System.Text.Json.Utf8JsonWriter:WritePropertyName(double):this

G_M13619_IG01:
       push     rbp
       push     r15
       push     r14
       push     r13
       push     r12
       push     rdi
       push     rsi
       push     rbx
       sub      rsp, 120
       vzeroupper 
       lea      rbp, [rsp+30H]
       vxorps   xmm4, xmm4
       vmovdqa  xmmword ptr [rbp+10H], xmm4
       vmovdqa  xmmword ptr [rbp+20H], xmm4
       vmovdqa  xmmword ptr [rbp+30H], xmm4
       mov      rax, 0xD1FFAB1E
       mov      qword ptr [rbp], rax
       mov      rsi, rcx
						;; size=60 bbWeight=1    PerfScore 17.58
G_M13619_IG02:
       vmovd    rdx, xmm1
       mov      r9, 0xD1FFAB1E
       and      rdx, r9
       mov      r9, 0xD1FFAB1E
       cmp      rdx, r9
       jge      G_M13619_IG19
       test     dword ptr [rsp], esp
       sub      rsp, 128
       lea      rdi, [rsp+30H]
       mov      bword ptr [rbp+10H], rdi
       mov      dword ptr [rbp+18H], 128
       mov      byte  ptr [rbp+08H], 0
       mov      byte  ptr [rbp+09H], 0
       vmovaps  xmm0, xmm1
       lea      rdx, [rbp+10H]
       movsx    r9, word  ptr [rbp+08H]
       lea      r8, [rbp+40H]
       call     [System.Buffers.Text.Utf8Formatter:TryFormatFloatingPoint[double](double,System.Span`1[ubyte],byref,System.Buffers.StandardFormat):bool]
       mov      ebx, dword ptr [rbp+40H]
       cmp      ebx, 128
       ja       G_M13619_IG22
       mov      ecx, ebx
       cmp      ebx, 0xD1FFAB1E
       jg       G_M13619_IG20
       mov      ecx, dword ptr [rsi+6CH]
       test     cl, 2
       jne      SHORT G_M13619_IG04
						;; size=131 bbWeight=1    PerfScore 26.00
G_M13619_IG03:
       cmp      byte  ptr [rsi+30H], 0
       je       G_M13619_IG21
       cmp      byte  ptr [rsi+31H], 5
       je       G_M13619_IG21
						;; size=20 bbWeight=0.50 PerfScore 4.00
G_M13619_IG04:
       test     cl, 1
       je       G_M13619_IG13
						;; size=9 bbWeight=1    PerfScore 1.25
G_M13619_IG05:
       mov      r14d, dword ptr [rsi+28H]
       and      r14d, 0xD1FFAB1E
       add      r14d, r14d
       lea      edx, [r14+rbx+07H]
       mov      ecx, dword ptr [rsi+44H]
       sub      ecx, dword ptr [rsi+2CH]
       cmp      ecx, edx
       jge      SHORT G_M13619_IG06
       mov      rcx, rsi
       call     [System.Text.Json.Utf8JsonWriter:Grow(int):this]
						;; size=38 bbWeight=0.50 PerfScore 6.50
G_M13619_IG06:
       lea      r15, bword ptr [rsi+38H]
       xor      r12, r12
       xor      r13d, r13d
       mov      rcx, gword ptr [r15]
       test     rcx, rcx
       je       SHORT G_M13619_IG09
       mov      rdx, qword ptr [rcx]
       test     dword ptr [rdx], 0xD1FFAB1E
       je       SHORT G_M13619_IG07
       lea      r12, bword ptr [rcx+10H]
       mov      r13d, dword ptr [rcx+08H]
       jmp      SHORT G_M13619_IG08
						;; size=39 bbWeight=0.50 PerfScore 7.38
G_M13619_IG07:
       lea      rdx, bword ptr [rbp+30H]
       mov      rax, qword ptr [rcx]
       mov      rax, qword ptr [rax+40H]
       call     [rax+28H]System.Buffers.MemoryManager`1[ubyte]:GetSpan():System.Span`1[ubyte]:this
       mov      r12, bword ptr [rbp+30H]
       mov      r13d, dword ptr [rbp+38H]
						;; size=22 bbWeight=0.50 PerfScore 4.75
G_M13619_IG08:
       mov      ecx, dword ptr [r15+08H]
       and      ecx, 0xD1FFAB1E
       mov      edx, dword ptr [r15+0CH]
       mov      eax, edx
       add      rax, rcx
       mov      r8d, r13d
       cmp      rax, r8
       ja       G_M13619_IG22
       add      r12, rcx
       mov      r13d, edx
						;; size=37 bbWeight=0.50 PerfScore 3.38
G_M13619_IG09:
       mov      r15, r12
       cmp      dword ptr [rsi+28H], 0
       jge      SHORT G_M13619_IG10
       mov      r12d, dword ptr [rsi+2CH]
       lea      ecx, [r12+01H]
       mov      dword ptr [rsi+2CH], ecx
       cmp      r12d, r13d
       jae      G_M13619_IG24
       mov      ecx, r12d
       mov      byte  ptr [r15+rcx], 44
						;; size=38 bbWeight=0.50 PerfScore 5.12
G_M13619_IG10:
       cmp      byte  ptr [rsi+31H], 0
       je       SHORT G_M13619_IG11
       mov      ecx, dword ptr [rsi+2CH]
       lea      edx, [rcx+01H]
       mov      dword ptr [rsi+2CH], edx
       cmp      ecx, r13d
       jae      G_M13619_IG24
       mov      ecx, ecx
       mov      byte  ptr [r15+rcx], 13
       mov      ecx, dword ptr [rsi+2CH]
       lea      edx, [rcx+01H]
       mov      dword ptr [rsi+2CH], edx
       cmp      ecx, r13d
       jae      G_M13619_IG24
       mov      ecx, ecx
       mov      byte  ptr [r15+rcx], 10
						;; size=56 bbWeight=0.50 PerfScore 8.00
G_M13619_IG11:
       mov      ecx, dword ptr [rsi+2CH]
       cmp      ecx, r13d
       ja       G_M13619_IG22
       mov      edx, ecx
       add      rdx, r15
       mov      eax, r13d
       sub      eax, ecx
       mov      bword ptr [rbp+10H], rdx
       mov      dword ptr [rbp+18H], eax
       lea      rcx, [rbp+10H]
       mov      edx, r14d
       call     [System.Text.Json.JsonWriterHelper:WriteIndentation(System.Span`1[ubyte],int)]
       add      r14d, dword ptr [rsi+2CH]
       mov      r12d, r14d
       mov      ecx, r12d
       mov      dword ptr [rsi+2CH], ecx
       lea      ecx, [r12+01H]
       mov      dword ptr [rsi+2CH], ecx
       cmp      r12d, r13d
       jae      G_M13619_IG24
       mov      ecx, r12d
       mov      byte  ptr [r15+rcx], 34
       mov      ecx, dword ptr [rsi+2CH]
       cmp      ecx, r13d
       ja       G_M13619_IG22
       mov      edx, ecx
       add      rdx, r15
       mov      r8d, r13d
       sub      r8d, ecx
       mov      rcx, rdx
       cmp      ebx, r8d
       ja       G_M13619_IG23
       mov      r8d, ebx
       mov      rdx, rdi
       call     [System.Buffer:Memmove(byref,byref,ulong)]
       add      ebx, dword ptr [rsi+2CH]
       mov      r12d, ebx
       mov      ecx, r12d
       mov      dword ptr [rsi+2CH], ecx
       lea      ecx, [r12+01H]
       mov      dword ptr [rsi+2CH], ecx
       cmp      r12d, r13d
       jae      G_M13619_IG24
       mov      ecx, r12d
       mov      byte  ptr [r15+rcx], 34
       mov      r12d, dword ptr [rsi+2CH]
       lea      ecx, [r12+01H]
       mov      dword ptr [rsi+2CH], ecx
       cmp      r12d, r13d
       jae      G_M13619_IG24
       mov      ecx, r12d
       mov      byte  ptr [r15+rcx], 58
       mov      r12d, dword ptr [rsi+2CH]
       lea      ecx, [r12+01H]
       mov      dword ptr [rsi+2CH], ecx
       cmp      r12d, r13d
						;; size=208 bbWeight=0.50 PerfScore 23.00
G_M13619_IG12:
       jae      G_M13619_IG24
       mov      ecx, r12d
       mov      byte  ptr [r15+rcx], 32
       jmp      G_M13619_IG16
						;; size=19 bbWeight=0.50 PerfScore 2.12
G_M13619_IG13:
       lea      edx, [rbx+04H]
       mov      ecx, dword ptr [rsi+44H]
       sub      ecx, dword ptr [rsi+2CH]
       cmp      ecx, edx
       jge      SHORT G_M13619_IG14
       mov      rcx, rsi
       call     [System.Text.Json.Utf8JsonWriter:Grow(int):this]
						;; size=22 bbWeight=0.50 PerfScore 5.00
G_M13619_IG14:
       lea      rcx, bword ptr [rsi+38H]
       lea      rdx, bword ptr [rbp+20H]
       call     [System.Memory`1[ubyte]:get_Span():System.Span`1[ubyte]:this]
       cmp      dword ptr [rsi+28H], 0
       jge      SHORT G_M13619_IG15
       mov      r14d, dword ptr [rsi+2CH]
       lea      ecx, [r14+01H]
       mov      dword ptr [rsi+2CH], ecx
       cmp      r14d, dword ptr [rbp+28H]
       jae      G_M13619_IG24
       mov      rcx, bword ptr [rbp+20H]
       mov      edx, r14d
       mov      byte  ptr [rcx+rdx], 44
						;; size=52 bbWeight=0.50 PerfScore 8.38
G_M13619_IG15:
       mov      r14d, dword ptr [rsi+2CH]
       lea      ecx, [r14+01H]
       mov      dword ptr [rsi+2CH], ecx
       cmp      r14d, dword ptr [rbp+28H]
       jae      G_M13619_IG24
       mov      rcx, bword ptr [rbp+20H]
       mov      edx, r14d
       mov      byte  ptr [rcx+rdx], 34
       mov      ecx, dword ptr [rsi+2CH]
       cmp      ecx, dword ptr [rbp+28H]
       ja       G_M13619_IG22
       mov      edx, ecx
       add      rdx, bword ptr [rbp+20H]
       mov      r8d, dword ptr [rbp+28H]
       sub      r8d, ecx
       mov      rcx, rdx
       cmp      ebx, r8d
       ja       G_M13619_IG23
       mov      r8d, ebx
       mov      rdx, rdi
       call     [System.Buffer:Memmove(byref,byref,ulong)]
       add      ebx, dword ptr [rsi+2CH]
       mov      r14d, ebx
       mov      eax, r14d
       mov      dword ptr [rsi+2CH], eax
       lea      eax, [r14+01H]
       mov      dword ptr [rsi+2CH], eax
       cmp      r14d, dword ptr [rbp+28H]
       jae      G_M13619_IG24
       mov      rax, bword ptr [rbp+20H]
       mov      edx, r14d
       mov      byte  ptr [rax+rdx], 34
       mov      r14d, dword ptr [rsi+2CH]
       lea      eax, [r14+01H]
       mov      dword ptr [rsi+2CH], eax
       cmp      r14d, dword ptr [rbp+28H]
       jae      SHORT G_M13619_IG24
       mov      rax, bword ptr [rbp+20H]
       mov      edx, r14d
       mov      byte  ptr [rax+rdx], 58
						;; size=149 bbWeight=0.50 PerfScore 21.12
G_M13619_IG16:
       and      dword ptr [rsi+28H], 0xD1FFAB1E
       mov      byte  ptr [rsi+31H], 5
       mov      rcx, 0xD1FFAB1E
       cmp      qword ptr [rbp], rcx
       je       SHORT G_M13619_IG17
       call     CORINFO_HELP_FAIL_FAST
						;; size=32 bbWeight=1    PerfScore 8.25
G_M13619_IG17:
       nop      
						;; size=1 bbWeight=1    PerfScore 0.25
G_M13619_IG18:
       lea      rsp, [rbp+48H]
       pop      rbx
       pop      rsi
       pop      rdi
       pop      r12
       pop      r13
       pop      r14
       pop      r15
       pop      rbp
       ret      
						;; size=17 bbWeight=1    PerfScore 5.50
G_M13619_IG19:
       call     [System.Text.Json.ThrowHelper:ThrowArgumentException_ValueNotSupported()]
       int3     
						;; size=7 bbWeight=0    PerfScore 0.00
G_M13619_IG20:
       call     [System.Text.Json.ThrowHelper:ThrowArgumentException_PropertyNameTooLarge(int)]
       int3     
						;; size=7 bbWeight=0    PerfScore 0.00
G_M13619_IG21:
       movzx    r8, byte  ptr [rsi+31H]
       mov      dword ptr [rsp+20H], r8d
       mov      r8d, dword ptr [rsi+68H]
       mov      ecx, 31
       xor      edx, edx
       xor      r9d, r9d
       call     [System.Text.Json.ThrowHelper:ThrowInvalidOperationException(int,int,int,ubyte,ubyte)]
       int3     
						;; size=31 bbWeight=0    PerfScore 0.00
G_M13619_IG22:
       call     [System.ThrowHelper:ThrowArgumentOutOfRangeException()]
       int3     
						;; size=7 bbWeight=0    PerfScore 0.00
G_M13619_IG23:
       call     [System.ThrowHelper:ThrowArgumentException_DestinationTooShort()]
       int3     
						;; size=7 bbWeight=0    PerfScore 0.00
G_M13619_IG24:
       call     CORINFO_HELP_RNGCHKFAIL
       int3     
						;; size=6 bbWeight=0    PerfScore 0.00

; Total bytes of code 1015, prolog size 57, PerfScore 259.58, instruction count 270, allocated bytes for code 1020 (MethodHash=88eecacc) for method System.Text.Json.Utf8JsonWriter:WritePropertyName(double):this
; ============================================================

更改后文本

打开文件

; Assembly listing for method System.Text.Json.Utf8JsonWriter:WritePropertyName(double):this

G_M13619_IG01:
       push     rbp
       push     r15
       push     r14
       push     r13
       push     r12
       push     rdi
       push     rsi
       push     rbx
       sub      rsp, 120
       vzeroupper 
       lea      rbp, [rsp+30H]
       vxorps   xmm4, xmm4
       vmovdqa  xmmword ptr [rbp+10H], xmm4
       vmovdqa  xmmword ptr [rbp+20H], xmm4
       vmovdqa  xmmword ptr [rbp+30H], xmm4
       mov      rax, 0xD1FFAB1E
       mov      qword ptr [rbp], rax
       mov      rsi, rcx
						;; size=60 bbWeight=1    PerfScore 17.58
G_M13619_IG02:
       vmovd    rdx, xmm1
       mov      r9, 0xD1FFAB1E
       and      rdx, r9
       mov      r9, 0xD1FFAB1E
       cmp      rdx, r9
       jge      G_M13619_IG22
       test     dword ptr [rsp], esp
       sub      rsp, 128
       lea      rdi, [rsp+30H]
       mov      bword ptr [rbp+10H], rdi
       mov      dword ptr [rbp+18H], 128
       mov      byte  ptr [rbp+08H], 0
       mov      byte  ptr [rbp+09H], 0
       vmovaps  xmm0, xmm1
       lea      rdx, [rbp+10H]
       movsx    r9, word  ptr [rbp+08H]
       lea      r8, [rbp+40H]
       call     [System.Buffers.Text.Utf8Formatter:TryFormatFloatingPoint[double](double,System.Span`1[ubyte],byref,System.Buffers.StandardFormat):bool]
       mov      ebx, dword ptr [rbp+40H]
       cmp      ebx, 128
       ja       G_M13619_IG25
       mov      ecx, ebx
       cmp      ebx, 0xD1FFAB1E
       jg       G_M13619_IG23
       mov      ecx, dword ptr [rsi+6CH]
       test     cl, 2
       jne      SHORT G_M13619_IG04
						;; size=131 bbWeight=1    PerfScore 26.00
G_M13619_IG03:
       cmp      byte  ptr [rsi+30H], 0
       je       G_M13619_IG24
       cmp      byte  ptr [rsi+31H], 5
       je       G_M13619_IG24
						;; size=20 bbWeight=0.50 PerfScore 4.00
G_M13619_IG04:
       test     cl, 1
       je       G_M13619_IG13
						;; size=9 bbWeight=1    PerfScore 1.25
G_M13619_IG05:
       mov      r14d, dword ptr [rsi+28H]
       and      r14d, 0xD1FFAB1E
       add      r14d, r14d
       lea      edx, [r14+rbx+07H]
       mov      ecx, dword ptr [rsi+44H]
       sub      ecx, dword ptr [rsi+2CH]
       cmp      ecx, edx
       jge      SHORT G_M13619_IG06
       mov      rcx, rsi
       call     [System.Text.Json.Utf8JsonWriter:Grow(int):this]
						;; size=38 bbWeight=0.50 PerfScore 6.50
G_M13619_IG06:
       lea      r15, bword ptr [rsi+38H]
       xor      r12, r12
       xor      r13d, r13d
       mov      rcx, gword ptr [r15]
       test     rcx, rcx
       je       SHORT G_M13619_IG09
       mov      rdx, qword ptr [rcx]
       test     dword ptr [rdx], 0xD1FFAB1E
       je       SHORT G_M13619_IG07
       lea      r12, bword ptr [rcx+10H]
       mov      r13d, dword ptr [rcx+08H]
       jmp      SHORT G_M13619_IG08
						;; size=39 bbWeight=0.50 PerfScore 7.38
G_M13619_IG07:
       lea      rdx, bword ptr [rbp+30H]
       mov      rax, qword ptr [rcx]
       mov      rax, qword ptr [rax+40H]
       call     [rax+28H]System.Buffers.MemoryManager`1[ubyte]:GetSpan():System.Span`1[ubyte]:this
       mov      r12, bword ptr [rbp+30H]
       mov      r13d, dword ptr [rbp+38H]
						;; size=22 bbWeight=0.50 PerfScore 4.75
G_M13619_IG08:
       mov      ecx, dword ptr [r15+08H]
       and      ecx, 0xD1FFAB1E
       mov      edx, dword ptr [r15+0CH]
       mov      eax, edx
       add      rax, rcx
       mov      r8d, r13d
       cmp      rax, r8
       ja       G_M13619_IG25
       add      r12, rcx
       mov      r13d, edx
						;; size=37 bbWeight=0.50 PerfScore 3.38
G_M13619_IG09:
       mov      r15, r12
       cmp      dword ptr [rsi+28H], 0
       jge      SHORT G_M13619_IG10
       mov      r12d, dword ptr [rsi+2CH]
       lea      ecx, [r12+01H]
       mov      dword ptr [rsi+2CH], ecx
       cmp      r12d, r13d
       jae      G_M13619_IG27
       mov      ecx, r12d
       mov      byte  ptr [r15+rcx], 44
						;; size=38 bbWeight=0.50 PerfScore 5.12
G_M13619_IG10:
       cmp      byte  ptr [rsi+31H], 0
       je       SHORT G_M13619_IG11
       mov      ecx, dword ptr [rsi+2CH]
       lea      edx, [rcx+01H]
       mov      dword ptr [rsi+2CH], edx
       cmp      ecx, r13d
       jae      G_M13619_IG27
       mov      ecx, ecx
       mov      byte  ptr [r15+rcx], 13
       mov      ecx, dword ptr [rsi+2CH]
       lea      edx, [rcx+01H]
       mov      dword ptr [rsi+2CH], edx
       cmp      ecx, r13d
       jae      G_M13619_IG27
       mov      ecx, ecx
       mov      byte  ptr [r15+rcx], 10
						;; size=56 bbWeight=0.50 PerfScore 8.00
G_M13619_IG11:
       mov      ecx, dword ptr [rsi+2CH]
       cmp      ecx, r13d
       ja       G_M13619_IG25
       mov      edx, ecx
       add      rdx, r15
       mov      eax, r13d
       sub      eax, ecx
       mov      bword ptr [rbp+10H], rdx
       mov      dword ptr [rbp+18H], eax
       lea      rcx, [rbp+10H]
       mov      edx, r14d
       call     [System.Text.Json.JsonWriterHelper:WriteIndentation(System.Span`1[ubyte],int)]
       add      r14d, dword ptr [rsi+2CH]
       mov      r12d, r14d
       mov      ecx, r12d
       mov      dword ptr [rsi+2CH], ecx
       lea      ecx, [r12+01H]
       mov      dword ptr [rsi+2CH], ecx
       cmp      r12d, r13d
       jae      G_M13619_IG27
       mov      ecx, r12d
       mov      byte  ptr [r15+rcx], 34
       mov      ecx, dword ptr [rsi+2CH]
       cmp      ecx, r13d
       ja       G_M13619_IG25
       mov      edx, ecx
       add      rdx, r15
       mov      r8d, r13d
       sub      r8d, ecx
       mov      rcx, rdx
       cmp      ebx, r8d
       ja       G_M13619_IG26
       mov      r8d, ebx
       mov      rdx, rdi
       call     [System.Buffer:Memmove(byref,byref,ulong)]
       add      ebx, dword ptr [rsi+2CH]
       mov      r12d, ebx
       mov      ecx, r12d
       mov      dword ptr [rsi+2CH], ecx
       lea      ecx, [r12+01H]
       mov      dword ptr [rsi+2CH], ecx
       cmp      r12d, r13d
       jae      G_M13619_IG27
       mov      ecx, r12d
       mov      byte  ptr [r15+rcx], 34
       mov      r12d, dword ptr [rsi+2CH]
       lea      ecx, [r12+01H]
       mov      dword ptr [rsi+2CH], ecx
       cmp      r12d, r13d
       jae      G_M13619_IG27
       mov      ecx, r12d
       mov      byte  ptr [r15+rcx], 58
       mov      r12d, dword ptr [rsi+2CH]
       lea      ecx, [r12+01H]
       mov      dword ptr [rsi+2CH], ecx
       cmp      r12d, r13d
						;; size=208 bbWeight=0.50 PerfScore 23.00
G_M13619_IG12:
       jae      G_M13619_IG27
       mov      ecx, r12d
       mov      byte  ptr [r15+rcx], 32
       jmp      G_M13619_IG19
						;; size=19 bbWeight=0.50 PerfScore 2.12
G_M13619_IG13:
       lea      edx, [rbx+04H]
       mov      ecx, dword ptr [rsi+44H]
       sub      ecx, dword ptr [rsi+2CH]
       cmp      ecx, edx
       jge      SHORT G_M13619_IG14
       mov      rcx, rsi
       call     [System.Text.Json.Utf8JsonWriter:Grow(int):this]
						;; size=22 bbWeight=0.50 PerfScore 5.00
G_M13619_IG14:
       lea      r14, bword ptr [rsi+38H]
       xor      r15, r15
       xor      r12d, r12d
       mov      rcx, gword ptr [r14]
       test     rcx, rcx
       je       SHORT G_M13619_IG17
       mov      rdx, qword ptr [rcx]
       test     dword ptr [rdx], 0xD1FFAB1E
       je       SHORT G_M13619_IG15
       lea      r15, bword ptr [rcx+10H]
       mov      r12d, dword ptr [rcx+08H]
       jmp      SHORT G_M13619_IG16
						;; size=39 bbWeight=0.50 PerfScore 7.38
G_M13619_IG15:
       lea      rdx, bword ptr [rbp+20H]
       mov      rax, qword ptr [rcx]
       mov      rax, qword ptr [rax+40H]
       call     [rax+28H]System.Buffers.MemoryManager`1[ubyte]:GetSpan():System.Span`1[ubyte]:this
       mov      r15, bword ptr [rbp+20H]
       mov      r12d, dword ptr [rbp+28H]
						;; size=22 bbWeight=0.50 PerfScore 4.75
G_M13619_IG16:
       mov      r8d, dword ptr [r14+08H]
       and      r8d, 0xD1FFAB1E
       mov      ecx, dword ptr [r14+0CH]
       mov      edx, ecx
       add      rdx, r8
       mov      eax, r12d
       cmp      rdx, rax
       ja       G_M13619_IG25
       add      r15, r8
       mov      r12d, ecx
						;; size=38 bbWeight=0.50 PerfScore 3.38
G_M13619_IG17:
       mov      r14, r15
       cmp      dword ptr [rsi+28H], 0
       jge      SHORT G_M13619_IG18
       mov      r15d, dword ptr [rsi+2CH]
       lea      r8d, [r15+01H]
       mov      dword ptr [rsi+2CH], r8d
       cmp      r15d, r12d
       jae      G_M13619_IG27
       mov      r8d, r15d
       mov      byte  ptr [r14+r8], 44
						;; size=38 bbWeight=0.50 PerfScore 5.12
G_M13619_IG18:
       mov      r15d, dword ptr [rsi+2CH]
       lea      r8d, [r15+01H]
       mov      dword ptr [rsi+2CH], r8d
       cmp      r15d, r12d
       jae      G_M13619_IG27
       mov      r8d, r15d
       mov      byte  ptr [r14+r8], 34
       mov      r8d, dword ptr [rsi+2CH]
       cmp      r8d, r12d
       ja       G_M13619_IG25
       mov      ecx, r8d
       add      rcx, r14
       mov      edx, r12d
       sub      edx, r8d
       cmp      ebx, edx
       ja       G_M13619_IG26
       mov      r8d, ebx
       mov      rdx, rdi
       call     [System.Buffer:Memmove[ubyte](byref,byref,ulong)]
       add      ebx, dword ptr [rsi+2CH]
       mov      r15d, ebx
       mov      eax, r15d
       mov      dword ptr [rsi+2CH], eax
       lea      eax, [r15+01H]
       mov      dword ptr [rsi+2CH], eax
       cmp      r15d, r12d
       jae      G_M13619_IG27
       mov      eax, r15d
       mov      byte  ptr [r14+rax], 34
       mov      r15d, dword ptr [rsi+2CH]
       lea      eax, [r15+01H]
       mov      dword ptr [rsi+2CH], eax
       cmp      r15d, r12d
       jae      SHORT G_M13619_IG27
       mov      eax, r15d
       mov      byte  ptr [r14+rax], 58
						;; size=134 bbWeight=0.50 PerfScore 14.75
G_M13619_IG19:
       and      dword ptr [rsi+28H], 0xD1FFAB1E
       mov      byte  ptr [rsi+31H], 5
       mov      rcx, 0xD1FFAB1E
       cmp      qword ptr [rbp], rcx
       je       SHORT G_M13619_IG20
       call     CORINFO_HELP_FAIL_FAST
						;; size=32 bbWeight=1    PerfScore 8.25
G_M13619_IG20:
       nop      
						;; size=1 bbWeight=1    PerfScore 0.25
G_M13619_IG21:
       lea      rsp, [rbp+48H]
       pop      rbx
       pop      rsi
       pop      rdi
       pop      r12
       pop      r13
       pop      r14
       pop      r15
       pop      rbp
       ret      
						;; size=17 bbWeight=1    PerfScore 5.50
G_M13619_IG22:
       call     [System.Text.Json.ThrowHelper:ThrowArgumentException_ValueNotSupported()]
       int3     
						;; size=7 bbWeight=0    PerfScore 0.00
G_M13619_IG23:
       call     [System.Text.Json.ThrowHelper:ThrowArgumentException_PropertyNameTooLarge(int)]
       int3     
						;; size=7 bbWeight=0    PerfScore 0.00
G_M13619_IG24:
       movzx    r8, byte  ptr [rsi+31H]
       mov      dword ptr [rsp+20H], r8d
       mov      r8d, dword ptr [rsi+68H]
       mov      ecx, 31
       xor      edx, edx
       xor      r9d, r9d
       call     [System.Text.Json.ThrowHelper:ThrowInvalidOperationException(int,int,int,ubyte,ubyte)]
       int3     
						;; size=31 bbWeight=0    PerfScore 0.00
G_M13619_IG25:
       call     [System.ThrowHelper:ThrowArgumentOutOfRangeException()]
       int3     
						;; size=7 bbWeight=0    PerfScore 0.00
G_M13619_IG26:
       call     [System.ThrowHelper:ThrowArgumentException_DestinationTooShort()]
       int3     
						;; size=7 bbWeight=0    PerfScore 0.00
G_M13619_IG27:
       call     CORINFO_HELP_RNGCHKFAIL
       int3     
						;; size=6 bbWeight=0    PerfScore 0.00

; Total bytes of code 1085, prolog size 57, PerfScore 272.46, instruction count 291, allocated bytes for code 1090 (MethodHash=88eecacc) for method System.Text.Json.Utf8JsonWriter:WritePropertyName(double):this
; ============================================================