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; Assembly listing for method System.TimeZoneInfo:ParseTimeZoneIds(System.IO.StreamReader):System.Collections.Generic.List`1[System.String] (FullOpts)

; Emitting BLENDED_CODE for X64 with AVX512 - Unix

; FullOpts code

; optimized code

; rbp based frame

; partially interruptible

; No PGO data

; 0 inlinees with PGO data; 20 single block inlinees; 8 inlinees without PGO data

; 0 inlinees with PGO data; 22 single block inlinees; 10 inlinees without PGO data

; Final local variable assignments

;

; V00 arg0 [V00,T06] ( 5, 8 ) ref -> rbx class-hnd single-def <System.IO.StreamReader>

; V00 arg0 [V00,T08] ( 5, 8 ) ref -> rbx class-hnd single-def <System.IO.StreamReader>

; V01 loc0 [V01,T03] ( 8, 14 ) ref -> r15 class-hnd exact single-def <System.Collections.Generic.List`1[System.String]>

; V01 loc0 [V01,T05] ( 8, 14 ) ref -> r15 class-hnd exact single-def <System.Collections.Generic.List`1[System.String]>

;* V02 loc1 [V02 ] ( 0, 0 ) ref -> zero-ref class-hnd exact <System.String>

;* V03 loc2 [V03 ] ( 0, 0 ) int -> zero-ref

;* V04 loc3 [V04 ] ( 0, 0 ) int -> zero-ref

; V05 loc4 [V05,T05] ( 6, 12 ) ref -> rax class-hnd <System.String>

; V05 loc4 [V05,T07] ( 6, 12 ) ref -> rax class-hnd <System.String>

; V06 loc5 [V06,T02] ( 8, 16 ) int -> [rbp-0x2C] spill-single-def

; V06 loc5 [V06,T02] ( 10, 18.50) int -> [rbp-0x2C] spill-single-def

;* V07 loc6 [V07 ] ( 0, 0 ) int -> zero-ref

;* V08 loc7 [V08 ] ( 0, 0 ) int -> zero-ref

; V08 loc7 [V08,T06] ( 7, 12.50) int -> rdx

;# V09 OutArgs [V09 ] ( 1, 1 ) struct ( 0) [rsp+0x00] do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>

; V10 tmp1 [V10,T19] ( 3, 6 ) ref -> r15 class-hnd exact single-def "NewObj constructor temp" <System.Collections.Generic.List`1[System.String]>

; V10 tmp1 [V10,T22] ( 3, 6 ) ref -> r15 class-hnd exact single-def "NewObj constructor temp" <System.Collections.Generic.List`1[System.String]>

; V11 tmp2 [V11,T00] ( 10, 48 ) ref -> r13 class-hnd exact "dup spill" <System.String>

; V11 tmp2 [V11,T00] ( 11, 49 ) ref -> r13 class-hnd exact "dup spill" <System.String>

;* V12 tmp3 [V12,T24] ( 0, 0 ) ubyte -> zero-ref "Inline return value spill temp"

;* V12 tmp3 [V12,T28] ( 0, 0 ) ubyte -> zero-ref "Inline return value spill temp"

; V13 tmp4 [V13,T13] ( 2, 8 ) byref -> rdi "Inlining Arg"

; V13 tmp4 [V13,T16] ( 2, 8 ) byref -> rdi "Inlining Arg"

; V14 tmp5 [V14,T16] ( 2, 8 ) int -> rdx "Inlining Arg"

; V14 tmp5 [V14,T19] ( 2, 8 ) int -> rdx "Inlining Arg"

; V15 tmp6 [V15,T21] ( 3, 6 ) int -> rax "Inline return value spill temp"

; V15 tmp6 [V15,T24] ( 3, 6 ) int -> rax "Inline return value spill temp"

; V16 tmp7 [V16,T01] ( 5, 20 ) int -> [rbp-0x30] spill-single-def "Inlining Arg"

; V17 tmp8 [V17,T08] ( 4, 8 ) int -> rax "Inline return value spill temp"

; V17 tmp8 [V17,T11] ( 4, 8 ) int -> rax "Inline return value spill temp"

; V18 tmp9 [V18,T17] ( 2, 8 ) int -> rdx "Inlining Arg"

; V18 tmp9 [V18,T20] ( 2, 8 ) int -> rdx "Inlining Arg"

;* V19 tmp10 [V19 ] ( 0, 0 ) int -> zero-ref "Inline stloc first use temp"

; V20 tmp11 [V20,T14] ( 2, 8 ) byref -> rdi "Inlining Arg"

; V20 tmp11 [V20,T17] ( 2, 8 ) byref -> rdi "Inlining Arg"

; V21 tmp12 [V21,T09] ( 4, 8 ) int -> rax "Inline return value spill temp"

; V21 tmp12 [V21,T12] ( 4, 8 ) int -> rax "Inline return value spill temp"

; V22 tmp13 [V22,T10] ( 4, 8 ) int -> rdx "Inline return value spill temp"

; V22 tmp13 [V22,T13] ( 4, 8 ) int -> rax "Inline return value spill temp"

; V23 tmp14 [V23,T18] ( 2, 8 ) int -> rdx "Inlining Arg"

; V23 tmp14 [V23,T21] ( 2, 8 ) int -> rdx "Inlining Arg"

;* V24 tmp15 [V24 ] ( 0, 0 ) int -> zero-ref "Inline stloc first use temp"

; V25 tmp16 [V25,T15] ( 2, 8 ) byref -> rdi "Inlining Arg"

; V25 tmp16 [V25,T18] ( 2, 8 ) byref -> rdi "Inlining Arg"

; V26 tmp17 [V26,T11] ( 4, 8 ) int -> rax "Inline return value spill temp"

; V26 tmp17 [V26,T14] ( 4, 8 ) int -> rax "Inline return value spill temp"

;* V27 tmp18 [V27,T25] ( 0, 0 ) ubyte -> zero-ref "Inline return value spill temp"

; V27 tmp18 [V27,T10] ( 4, 8 ) ref -> rax class-hnd exact "Inline return value spill temp" <System.String>

; V28 tmp19 [V28,T20] ( 3, 6 ) ref -> r13 class-hnd "Inline stloc first use temp" <System.String[]>

;* V28 tmp19 [V28 ] ( 0, 0 ) int -> zero-ref "Inlining Arg"

; V29 tmp20 [V29,T12] ( 4, 8 ) int -> r12 "Inline stloc first use temp"

; V29 tmp20 [V29,T26] ( 2, 4 ) long -> r13 "Inline stloc first use temp"

; V30 cse0 [V30,T22] ( 3, 6 ) long -> r14 "CSE #05: moderate"

; V30 tmp21 [V30,T04] ( 4, 16 ) ref -> r12 class-hnd exact "dup spill" <System.String>

; V31 cse1 [V31,T04] ( 7, 14 ) int -> r12 "CSE #01: aggressive"

;* V31 tmp22 [V31 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"

; V32 cse2 [V32,T07] ( 4, 8 ) byref -> [rbp-0x38] spill-single-def "CSE #02: moderate"

;* V32 tmp23 [V32 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"

; V33 cse3 [V33,T23] ( 2, 4 ) int -> rdi "CSE #03: moderate"

;* V33 tmp24 [V33,T29] ( 0, 0 ) ubyte -> zero-ref "Inline return value spill temp"

; V34 tmp25 [V34,T23] ( 3, 6 ) ref -> r13 class-hnd "Inline stloc first use temp" <System.String[]>

; V35 tmp26 [V35,T15] ( 4, 8 ) int -> r12 "Inline stloc first use temp"

; V36 cse0 [V36,T25] ( 3, 6 ) long -> r14 "CSE #07: moderate"

; V37 cse1 [V37,T03] ( 9, 18 ) int -> r12 "CSE #01: aggressive"

; V38 cse2 [V38,T09] ( 5, 10 ) byref -> [rbp-0x38] spill-single-def "CSE #02: moderate"

; V39 cse3 [V39,T27] ( 2, 4 ) int -> rdi "CSE #05: moderate"

;

; Lcl frame size = 24

G_M60059_IG01:

push rbp

push r15

push r14

push r13

push r12

push rbx

sub rsp, 24

lea rbp, [rsp+0x40]

mov rbx, rdi

;; size=22 bbWeight=1 PerfScore 7.00

G_M60059_IG02:

mov rdi, 0xD1FFAB1E ; System.Collections.Generic.List`1[System.String]

call CORINFO_HELP_NEWSFAST

mov r15, rax

mov rdi, 0xD1FFAB1E ; const ptr

mov rsi, gword ptr [rdi]

lea rdi, bword ptr [r15+0x08]

call CORINFO_HELP_ASSIGN_REF

mov rdi, rbx

mov rax, qword ptr [rbx]

mov r14, qword ptr [rax+0x48]

call [r14+0x38]System.IO.TextReader:ReadLine():System.String:this

mov r13, rax

test r13, r13

je G_M60059_IG13

je G_M60059_IG15

;; size=66 bbWeight=1 PerfScore 14.00

G_M60059_IG03:

test r13, r13

je G_M60059_IG12

je G_M60059_IG14

;; size=9 bbWeight=4 PerfScore 5.00

G_M60059_IG04:

mov r12d, dword ptr [r13+0x08]

test r12d, r12d

je G_M60059_IG12

je G_M60059_IG14

cmp word ptr [r13+0x0C], 35

je G_M60059_IG12

je G_M60059_IG14

lea rax, bword ptr [r13+0x0C]

mov bword ptr [rbp-0x38], rax

mov rdi, rax

mov edx, r12d

mov esi, 9

mov rcx, 0xD1FFAB1E ; code for System.PackedSpanHelpers:IndexOf[System.SpanHelpers+DontNegate`1[short],System.PackedSpanHelpers+NopTransform](byref,short,int):int

call [rcx]System.PackedSpanHelpers:IndexOf[System.SpanHelpers+DontNegate`1[short],System.PackedSpanHelpers+NopTransform](byref,short,int):int

test eax, eax

jl G_M60059_IG12

jl G_M60059_IG14

inc eax

mov dword ptr [rbp-0x30], eax

mov edx, r12d

sub edx, eax

cmp r12d, eax

jb G_M60059_IG15

jb G_M60059_IG18

movsxd rdi, eax

mov rcx, bword ptr [rbp-0x38]

lea rdi, bword ptr [rcx+2*rdi]

mov esi, 9

mov r8, 0xD1FFAB1E ; code for System.PackedSpanHelpers:IndexOf[System.SpanHelpers+DontNegate`1[short],System.PackedSpanHelpers+NopTransform](byref,short,int):int

call [r8]System.PackedSpanHelpers:IndexOf[System.SpanHelpers+DontNegate`1[short],System.PackedSpanHelpers+NopTransform](byref,short,int):int

test eax, eax

jge SHORT G_M60059_IG05

jmp SHORT G_M60059_IG06

;; size=118 bbWeight=2 PerfScore 51.00

G_M60059_IG05:

mov edi, dword ptr [rbp-0x30]

add eax, edi

;; size=5 bbWeight=2 PerfScore 2.50

G_M60059_IG06:

test eax, eax

jl G_M60059_IG12

jl G_M60059_IG14

inc eax

mov dword ptr [rbp-0x2C], eax

mov edx, r12d

sub edx, eax

cmp r12d, eax

jb G_M60059_IG15

jb G_M60059_IG18

movsxd rdi, eax

mov r12, bword ptr [rbp-0x38]

mov rcx, bword ptr [rbp-0x38]

lea rdi, bword ptr [r12+2*rdi]

lea rdi, bword ptr [rcx+2*rdi]

mov esi, 9

mov rcx, 0xD1FFAB1E ; code for System.PackedSpanHelpers:IndexOf[System.SpanHelpers+DontNegate`1[short],System.PackedSpanHelpers+NopTransform](byref,short,int):int

mov r8, 0xD1FFAB1E ; code for System.PackedSpanHelpers:IndexOf[System.SpanHelpers+DontNegate`1[short],System.PackedSpanHelpers+NopTransform](byref,short,int):int

call [rcx]System.PackedSpanHelpers:IndexOf[System.SpanHelpers+DontNegate`1[short],System.PackedSpanHelpers+NopTransform](byref,short,int):int

call [r8]System.PackedSpanHelpers:IndexOf[System.SpanHelpers+DontNegate`1[short],System.PackedSpanHelpers+NopTransform](byref,short,int):int

test eax, eax

jge SHORT G_M60059_IG07

mov edx, eax

mov ecx, dword ptr [rbp-0x2C]

mov r12d, dword ptr [rbp-0x2C]

jmp SHORT G_M60059_IG08

;; size=67 bbWeight=2 PerfScore 28.00

;; size=65 bbWeight=2 PerfScore 27.50

G_M60059_IG07:

mov r12d, dword ptr [rbp-0x2C]

mov ecx, dword ptr [rbp-0x2C]

lea edx, [rax+r12]

add eax, ecx

;; size=8 bbWeight=2 PerfScore 3.00

;; size=5 bbWeight=2 PerfScore 2.50

G_M60059_IG08:

test edx, edx

test eax, eax

jge SHORT G_M60059_IG09

mov rdi, r13

mov esi, r12d

mov esi, ecx

mov rax, 0xD1FFAB1E ; code for System.String:Substring(int):System.String:this

call [rax]System.String:Substring(int):System.String:this

jmp SHORT G_M60059_IG10

jmp SHORT G_M60059_IG12

;; size=24 bbWeight=2 PerfScore 14.00

;; size=23 bbWeight=2 PerfScore 14.00

G_M60059_IG09:

sub edx, r12d

mov edx, eax

mov rdi, r13

sub edx, ecx

mov esi, r12d

mov edi, ecx

mov rax, 0xD1FFAB1E ; code for System.String:Substring(int,int):System.String:this

mov eax, edx

call [rax]System.String:Substring(int,int):System.String:this

add rdi, rax

;; size=21 bbWeight=2 PerfScore 8.00

mov eax, r12d

cmp rdi, rax

ja G_M60059_IG17

test edx, edx

je SHORT G_M60059_IG11

cmp r12d, edx

je SHORT G_M60059_IG10

mov r13d, edx

mov edi, edx

call System.String:FastAllocateString(int):System.String

mov r12, rax

mov esi, dword ptr [rbp-0x2C]

mov rdi, bword ptr [rbp-0x38]

lea rsi, bword ptr [rdi+2*rsi]

cmp byte ptr [r12], r12b

lea rdi, bword ptr [r12+0x0C]

lea rdx, [r13+r13]

mov rax, 0xD1FFAB1E ; code for System.SpanHelpers:Memmove(byref,byref,ulong)

call [rax]System.SpanHelpers:Memmove(byref,byref,ulong)

mov rax, r12

jmp SHORT G_M60059_IG12

;; size=87 bbWeight=2 PerfScore 41.00

G_M60059_IG10:

mov rax, r13

jmp SHORT G_M60059_IG12

;; size=5 bbWeight=2 PerfScore 4.50

G_M60059_IG11:

mov rax, 0xD1FFAB1E ; ''

;; size=10 bbWeight=2 PerfScore 0.50

G_M60059_IG12:

test rax, rax

je SHORT G_M60059_IG12

je SHORT G_M60059_IG14

cmp dword ptr [rax+0x08], 0

je SHORT G_M60059_IG12

je SHORT G_M60059_IG14

inc dword ptr [r15+0x14]

mov r13, gword ptr [r15+0x08]

mov r12d, dword ptr [r15+0x10]

mov edi, dword ptr [r13+0x08]

cmp edi, r12d

ja SHORT G_M60059_IG11

ja SHORT G_M60059_IG13

mov rdi, r15

mov rsi, rax

mov rax, 0xD1FFAB1E ; code for System.Collections.Generic.List`1[System.__Canon]:AddWithResize(System.__Canon):this

call [rax]System.Collections.Generic.List`1[System.__Canon]:AddWithResize(System.__Canon):this

jmp SHORT G_M60059_IG12

jmp SHORT G_M60059_IG14

;; size=52 bbWeight=2 PerfScore 42.50

G_M60059_IG11:

G_M60059_IG13:

lea edi, [r12+0x01]

mov dword ptr [r15+0x10], edi

mov edi, r12d

lea rdi, bword ptr [r13+8*rdi+0x10]

mov rsi, rax

call CORINFO_HELP_ASSIGN_REF

;; size=25 bbWeight=2 PerfScore 10.00

G_M60059_IG12:

G_M60059_IG14:

mov rdi, rbx

call [r14+0x38]System.IO.TextReader:ReadLine():System.String:this

mov r13, rax

test r13, r13

jne G_M60059_IG03

;; size=19 bbWeight=4 PerfScore 19.00

G_M60059_IG13:

G_M60059_IG15:

mov rax, r15

;; size=3 bbWeight=1 PerfScore 0.25

G_M60059_IG14:

G_M60059_IG16:

add rsp, 24

pop rbx

pop r12

pop r13

pop r14

pop r15

pop rbp

ret

;; size=15 bbWeight=1 PerfScore 4.25

G_M60059_IG15:

G_M60059_IG17:

mov ecx, dword ptr [rbp-0x2C]

mov rdi, r13

mov esi, ecx

mov rax, 0xD1FFAB1E ; code for System.String:ThrowSubstringArgumentOutOfRange(int,int):this

call [rax]System.String:ThrowSubstringArgumentOutOfRange(int,int):this

int3

;; size=21 bbWeight=0.50 PerfScore 2.50

G_M60059_IG18:

mov edi, 8

xor esi, esi

mov rax, 0xD1FFAB1E ; code for System.ThrowHelper:ThrowArgumentOutOfRangeException(int,int)

call [rax]System.ThrowHelper:ThrowArgumentOutOfRangeException(int,int)

int3

;; size=20 bbWeight=0.50 PerfScore 2.00

; Total bytes of code 474, prolog size 19, PerfScore 210.50, instruction count 129, allocated bytes for code 474 (MethodHash=22bb1564) for method System.TimeZoneInfo:ParseTimeZoneIds(System.IO.StreamReader):System.Collections.Generic.List`1[System.String] (FullOpts)

; Total bytes of code 570, prolog size 19, PerfScore 250.00, instruction count 158, allocated bytes for code 570 (MethodHash=22bb1564) for method System.TimeZoneInfo:ParseTimeZoneIds(System.IO.StreamReader):System.Collections.Generic.List`1[System.String] (FullOpts)

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

已保存差異

原始文本

開啟檔案

; Assembly listing for method System.TimeZoneInfo:ParseTimeZoneIds(System.IO.StreamReader):System.Collections.Generic.List`1[System.String] (FullOpts)
; Emitting BLENDED_CODE for X64 with AVX512 - Unix
; FullOpts code
; optimized code
; rbp based frame
; partially interruptible
; No PGO data
; 0 inlinees with PGO data; 20 single block inlinees; 8 inlinees without PGO data
; Final local variable assignments
;
;  V00 arg0         [V00,T06] (  5,  8   )     ref  ->  rbx         class-hnd single-def <System.IO.StreamReader>
;  V01 loc0         [V01,T03] (  8, 14   )     ref  ->  r15         class-hnd exact single-def <System.Collections.Generic.List`1[System.String]>
;* V02 loc1         [V02    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact <System.String>
;* V03 loc2         [V03    ] (  0,  0   )     int  ->  zero-ref   
;* V04 loc3         [V04    ] (  0,  0   )     int  ->  zero-ref   
;  V05 loc4         [V05,T05] (  6, 12   )     ref  ->  rax         class-hnd <System.String>
;  V06 loc5         [V06,T02] (  8, 16   )     int  ->  [rbp-0x2C]  spill-single-def
;* V07 loc6         [V07    ] (  0,  0   )     int  ->  zero-ref   
;* V08 loc7         [V08    ] (  0,  0   )     int  ->  zero-ref   
;# V09 OutArgs      [V09    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
;  V10 tmp1         [V10,T19] (  3,  6   )     ref  ->  r15         class-hnd exact single-def "NewObj constructor temp" <System.Collections.Generic.List`1[System.String]>
;  V11 tmp2         [V11,T00] ( 10, 48   )     ref  ->  r13         class-hnd exact "dup spill" <System.String>
;* V12 tmp3         [V12,T24] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
;  V13 tmp4         [V13,T13] (  2,  8   )   byref  ->  rdi         "Inlining Arg"
;  V14 tmp5         [V14,T16] (  2,  8   )     int  ->  rdx         "Inlining Arg"
;  V15 tmp6         [V15,T21] (  3,  6   )     int  ->  rax         "Inline return value spill temp"
;  V16 tmp7         [V16,T01] (  5, 20   )     int  ->  [rbp-0x30]  spill-single-def "Inlining Arg"
;  V17 tmp8         [V17,T08] (  4,  8   )     int  ->  rax         "Inline return value spill temp"
;  V18 tmp9         [V18,T17] (  2,  8   )     int  ->  rdx         "Inlining Arg"
;* V19 tmp10        [V19    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
;  V20 tmp11        [V20,T14] (  2,  8   )   byref  ->  rdi         "Inlining Arg"
;  V21 tmp12        [V21,T09] (  4,  8   )     int  ->  rax         "Inline return value spill temp"
;  V22 tmp13        [V22,T10] (  4,  8   )     int  ->  rdx         "Inline return value spill temp"
;  V23 tmp14        [V23,T18] (  2,  8   )     int  ->  rdx         "Inlining Arg"
;* V24 tmp15        [V24    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
;  V25 tmp16        [V25,T15] (  2,  8   )   byref  ->  rdi         "Inlining Arg"
;  V26 tmp17        [V26,T11] (  4,  8   )     int  ->  rax         "Inline return value spill temp"
;* V27 tmp18        [V27,T25] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
;  V28 tmp19        [V28,T20] (  3,  6   )     ref  ->  r13         class-hnd "Inline stloc first use temp" <System.String[]>
;  V29 tmp20        [V29,T12] (  4,  8   )     int  ->  r12         "Inline stloc first use temp"
;  V30 cse0         [V30,T22] (  3,  6   )    long  ->  r14         "CSE #05: moderate"
;  V31 cse1         [V31,T04] (  7, 14   )     int  ->  r12         "CSE #01: aggressive"
;  V32 cse2         [V32,T07] (  4,  8   )   byref  ->  [rbp-0x38]  spill-single-def "CSE #02: moderate"
;  V33 cse3         [V33,T23] (  2,  4   )     int  ->  rdi         "CSE #03: moderate"
;
; Lcl frame size = 24

G_M60059_IG01:
       push     rbp
       push     r15
       push     r14
       push     r13
       push     r12
       push     rbx
       sub      rsp, 24
       lea      rbp, [rsp+0x40]
       mov      rbx, rdi
						;; size=22 bbWeight=1 PerfScore 7.00
G_M60059_IG02:
       mov      rdi, 0xD1FFAB1E      ; System.Collections.Generic.List`1[System.String]
       call     CORINFO_HELP_NEWSFAST
       mov      r15, rax
       mov      rdi, 0xD1FFAB1E      ; const ptr
       mov      rsi, gword ptr [rdi]
       lea      rdi, bword ptr [r15+0x08]
       call     CORINFO_HELP_ASSIGN_REF
       mov      rdi, rbx
       mov      rax, qword ptr [rbx]
       mov      r14, qword ptr [rax+0x48]
       call     [r14+0x38]System.IO.TextReader:ReadLine():System.String:this
       mov      r13, rax
       test     r13, r13
       je       G_M60059_IG13
						;; size=66 bbWeight=1 PerfScore 14.00
G_M60059_IG03:
       test     r13, r13
       je       G_M60059_IG12
						;; size=9 bbWeight=4 PerfScore 5.00
G_M60059_IG04:
       mov      r12d, dword ptr [r13+0x08]
       test     r12d, r12d
       je       G_M60059_IG12
       cmp      word  ptr [r13+0x0C], 35
       je       G_M60059_IG12
       lea      rax, bword ptr [r13+0x0C]
       mov      bword ptr [rbp-0x38], rax
       mov      rdi, rax
       mov      edx, r12d
       mov      esi, 9
       mov      rcx, 0xD1FFAB1E      ; code for System.PackedSpanHelpers:IndexOf[System.SpanHelpers+DontNegate`1[short],System.PackedSpanHelpers+NopTransform](byref,short,int):int
       call     [rcx]System.PackedSpanHelpers:IndexOf[System.SpanHelpers+DontNegate`1[short],System.PackedSpanHelpers+NopTransform](byref,short,int):int
       test     eax, eax
       jl       G_M60059_IG12
       inc      eax
       mov      dword ptr [rbp-0x30], eax
       mov      edx, r12d
       sub      edx, eax
       cmp      r12d, eax
       jb       G_M60059_IG15
       movsxd   rdi, eax
       mov      rcx, bword ptr [rbp-0x38]
       lea      rdi, bword ptr [rcx+2*rdi]
       mov      esi, 9
       mov      r8, 0xD1FFAB1E      ; code for System.PackedSpanHelpers:IndexOf[System.SpanHelpers+DontNegate`1[short],System.PackedSpanHelpers+NopTransform](byref,short,int):int
       call     [r8]System.PackedSpanHelpers:IndexOf[System.SpanHelpers+DontNegate`1[short],System.PackedSpanHelpers+NopTransform](byref,short,int):int
       test     eax, eax
       jge      SHORT G_M60059_IG05
       jmp      SHORT G_M60059_IG06
						;; size=118 bbWeight=2 PerfScore 51.00
G_M60059_IG05:
       mov      edi, dword ptr [rbp-0x30]
       add      eax, edi
						;; size=5 bbWeight=2 PerfScore 2.50
G_M60059_IG06:
       test     eax, eax
       jl       G_M60059_IG12
       inc      eax
       mov      dword ptr [rbp-0x2C], eax
       mov      edx, r12d
       sub      edx, eax
       cmp      r12d, eax
       jb       G_M60059_IG15
       movsxd   rdi, eax
       mov      r12, bword ptr [rbp-0x38]
       lea      rdi, bword ptr [r12+2*rdi]
       mov      esi, 9
       mov      rcx, 0xD1FFAB1E      ; code for System.PackedSpanHelpers:IndexOf[System.SpanHelpers+DontNegate`1[short],System.PackedSpanHelpers+NopTransform](byref,short,int):int
       call     [rcx]System.PackedSpanHelpers:IndexOf[System.SpanHelpers+DontNegate`1[short],System.PackedSpanHelpers+NopTransform](byref,short,int):int
       test     eax, eax
       jge      SHORT G_M60059_IG07
       mov      edx, eax
       mov      r12d, dword ptr [rbp-0x2C]
       jmp      SHORT G_M60059_IG08
						;; size=67 bbWeight=2 PerfScore 28.00
G_M60059_IG07:
       mov      r12d, dword ptr [rbp-0x2C]
       lea      edx, [rax+r12]
						;; size=8 bbWeight=2 PerfScore 3.00
G_M60059_IG08:
       test     edx, edx
       jge      SHORT G_M60059_IG09
       mov      rdi, r13
       mov      esi, r12d
       mov      rax, 0xD1FFAB1E      ; code for System.String:Substring(int):System.String:this
       call     [rax]System.String:Substring(int):System.String:this
       jmp      SHORT G_M60059_IG10
						;; size=24 bbWeight=2 PerfScore 14.00
G_M60059_IG09:
       sub      edx, r12d
       mov      rdi, r13
       mov      esi, r12d
       mov      rax, 0xD1FFAB1E      ; code for System.String:Substring(int,int):System.String:this
       call     [rax]System.String:Substring(int,int):System.String:this
						;; size=21 bbWeight=2 PerfScore 8.00
G_M60059_IG10:
       test     rax, rax
       je       SHORT G_M60059_IG12
       cmp      dword ptr [rax+0x08], 0
       je       SHORT G_M60059_IG12
       inc      dword ptr [r15+0x14]
       mov      r13, gword ptr [r15+0x08]
       mov      r12d, dword ptr [r15+0x10]
       mov      edi, dword ptr [r13+0x08]
       cmp      edi, r12d
       ja       SHORT G_M60059_IG11
       mov      rdi, r15
       mov      rsi, rax
       mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.List`1[System.__Canon]:AddWithResize(System.__Canon):this
       call     [rax]System.Collections.Generic.List`1[System.__Canon]:AddWithResize(System.__Canon):this
       jmp      SHORT G_M60059_IG12
						;; size=52 bbWeight=2 PerfScore 42.50
G_M60059_IG11:
       lea      edi, [r12+0x01]
       mov      dword ptr [r15+0x10], edi
       mov      edi, r12d
       lea      rdi, bword ptr [r13+8*rdi+0x10]
       mov      rsi, rax
       call     CORINFO_HELP_ASSIGN_REF
						;; size=25 bbWeight=2 PerfScore 10.00
G_M60059_IG12:
       mov      rdi, rbx
       call     [r14+0x38]System.IO.TextReader:ReadLine():System.String:this
       mov      r13, rax
       test     r13, r13
       jne      G_M60059_IG03
						;; size=19 bbWeight=4 PerfScore 19.00
G_M60059_IG13:
       mov      rax, r15
						;; size=3 bbWeight=1 PerfScore 0.25
G_M60059_IG14:
       add      rsp, 24
       pop      rbx
       pop      r12
       pop      r13
       pop      r14
       pop      r15
       pop      rbp
       ret      
						;; size=15 bbWeight=1 PerfScore 4.25
G_M60059_IG15:
       mov      edi, 8
       xor      esi, esi
       mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentOutOfRangeException(int,int)
       call     [rax]System.ThrowHelper:ThrowArgumentOutOfRangeException(int,int)
       int3     
						;; size=20 bbWeight=0.50 PerfScore 2.00

更改後文本

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; Assembly listing for method System.TimeZoneInfo:ParseTimeZoneIds(System.IO.StreamReader):System.Collections.Generic.List`1[System.String] (FullOpts)
; Emitting BLENDED_CODE for X64 with AVX512 - Unix
; FullOpts code
; optimized code
; rbp based frame
; partially interruptible
; No PGO data
; 0 inlinees with PGO data; 22 single block inlinees; 10 inlinees without PGO data
; Final local variable assignments
;
;  V00 arg0         [V00,T08] (  5,  8   )     ref  ->  rbx         class-hnd single-def <System.IO.StreamReader>
;  V01 loc0         [V01,T05] (  8, 14   )     ref  ->  r15         class-hnd exact single-def <System.Collections.Generic.List`1[System.String]>
;* V02 loc1         [V02    ] (  0,  0   )     ref  ->  zero-ref    class-hnd exact <System.String>
;* V03 loc2         [V03    ] (  0,  0   )     int  ->  zero-ref   
;* V04 loc3         [V04    ] (  0,  0   )     int  ->  zero-ref   
;  V05 loc4         [V05,T07] (  6, 12   )     ref  ->  rax         class-hnd <System.String>
;  V06 loc5         [V06,T02] ( 10, 18.50)     int  ->  [rbp-0x2C]  spill-single-def
;* V07 loc6         [V07    ] (  0,  0   )     int  ->  zero-ref   
;  V08 loc7         [V08,T06] (  7, 12.50)     int  ->  rdx        
;# V09 OutArgs      [V09    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
;  V10 tmp1         [V10,T22] (  3,  6   )     ref  ->  r15         class-hnd exact single-def "NewObj constructor temp" <System.Collections.Generic.List`1[System.String]>
;  V11 tmp2         [V11,T00] ( 11, 49   )     ref  ->  r13         class-hnd exact "dup spill" <System.String>
;* V12 tmp3         [V12,T28] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
;  V13 tmp4         [V13,T16] (  2,  8   )   byref  ->  rdi         "Inlining Arg"
;  V14 tmp5         [V14,T19] (  2,  8   )     int  ->  rdx         "Inlining Arg"
;  V15 tmp6         [V15,T24] (  3,  6   )     int  ->  rax         "Inline return value spill temp"
;  V16 tmp7         [V16,T01] (  5, 20   )     int  ->  [rbp-0x30]  spill-single-def "Inlining Arg"
;  V17 tmp8         [V17,T11] (  4,  8   )     int  ->  rax         "Inline return value spill temp"
;  V18 tmp9         [V18,T20] (  2,  8   )     int  ->  rdx         "Inlining Arg"
;* V19 tmp10        [V19    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
;  V20 tmp11        [V20,T17] (  2,  8   )   byref  ->  rdi         "Inlining Arg"
;  V21 tmp12        [V21,T12] (  4,  8   )     int  ->  rax         "Inline return value spill temp"
;  V22 tmp13        [V22,T13] (  4,  8   )     int  ->  rax         "Inline return value spill temp"
;  V23 tmp14        [V23,T21] (  2,  8   )     int  ->  rdx         "Inlining Arg"
;* V24 tmp15        [V24    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
;  V25 tmp16        [V25,T18] (  2,  8   )   byref  ->  rdi         "Inlining Arg"
;  V26 tmp17        [V26,T14] (  4,  8   )     int  ->  rax         "Inline return value spill temp"
;  V27 tmp18        [V27,T10] (  4,  8   )     ref  ->  rax         class-hnd exact "Inline return value spill temp" <System.String>
;* V28 tmp19        [V28    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
;  V29 tmp20        [V29,T26] (  2,  4   )    long  ->  r13         "Inline stloc first use temp"
;  V30 tmp21        [V30,T04] (  4, 16   )     ref  ->  r12         class-hnd exact "dup spill" <System.String>
;* V31 tmp22        [V31    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
;* V32 tmp23        [V32    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
;* V33 tmp24        [V33,T29] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
;  V34 tmp25        [V34,T23] (  3,  6   )     ref  ->  r13         class-hnd "Inline stloc first use temp" <System.String[]>
;  V35 tmp26        [V35,T15] (  4,  8   )     int  ->  r12         "Inline stloc first use temp"
;  V36 cse0         [V36,T25] (  3,  6   )    long  ->  r14         "CSE #07: moderate"
;  V37 cse1         [V37,T03] (  9, 18   )     int  ->  r12         "CSE #01: aggressive"
;  V38 cse2         [V38,T09] (  5, 10   )   byref  ->  [rbp-0x38]  spill-single-def "CSE #02: moderate"
;  V39 cse3         [V39,T27] (  2,  4   )     int  ->  rdi         "CSE #05: moderate"
;
; Lcl frame size = 24

G_M60059_IG01:
       push     rbp
       push     r15
       push     r14
       push     r13
       push     r12
       push     rbx
       sub      rsp, 24
       lea      rbp, [rsp+0x40]
       mov      rbx, rdi
						;; size=22 bbWeight=1 PerfScore 7.00
G_M60059_IG02:
       mov      rdi, 0xD1FFAB1E      ; System.Collections.Generic.List`1[System.String]
       call     CORINFO_HELP_NEWSFAST
       mov      r15, rax
       mov      rdi, 0xD1FFAB1E      ; const ptr
       mov      rsi, gword ptr [rdi]
       lea      rdi, bword ptr [r15+0x08]
       call     CORINFO_HELP_ASSIGN_REF
       mov      rdi, rbx
       mov      rax, qword ptr [rbx]
       mov      r14, qword ptr [rax+0x48]
       call     [r14+0x38]System.IO.TextReader:ReadLine():System.String:this
       mov      r13, rax
       test     r13, r13
       je       G_M60059_IG15
						;; size=66 bbWeight=1 PerfScore 14.00
G_M60059_IG03:
       test     r13, r13
       je       G_M60059_IG14
						;; size=9 bbWeight=4 PerfScore 5.00
G_M60059_IG04:
       mov      r12d, dword ptr [r13+0x08]
       test     r12d, r12d
       je       G_M60059_IG14
       cmp      word  ptr [r13+0x0C], 35
       je       G_M60059_IG14
       lea      rax, bword ptr [r13+0x0C]
       mov      bword ptr [rbp-0x38], rax
       mov      rdi, rax
       mov      edx, r12d
       mov      esi, 9
       mov      rcx, 0xD1FFAB1E      ; code for System.PackedSpanHelpers:IndexOf[System.SpanHelpers+DontNegate`1[short],System.PackedSpanHelpers+NopTransform](byref,short,int):int
       call     [rcx]System.PackedSpanHelpers:IndexOf[System.SpanHelpers+DontNegate`1[short],System.PackedSpanHelpers+NopTransform](byref,short,int):int
       test     eax, eax
       jl       G_M60059_IG14
       inc      eax
       mov      dword ptr [rbp-0x30], eax
       mov      edx, r12d
       sub      edx, eax
       cmp      r12d, eax
       jb       G_M60059_IG18
       movsxd   rdi, eax
       mov      rcx, bword ptr [rbp-0x38]
       lea      rdi, bword ptr [rcx+2*rdi]
       mov      esi, 9
       mov      r8, 0xD1FFAB1E      ; code for System.PackedSpanHelpers:IndexOf[System.SpanHelpers+DontNegate`1[short],System.PackedSpanHelpers+NopTransform](byref,short,int):int
       call     [r8]System.PackedSpanHelpers:IndexOf[System.SpanHelpers+DontNegate`1[short],System.PackedSpanHelpers+NopTransform](byref,short,int):int
       test     eax, eax
       jge      SHORT G_M60059_IG05
       jmp      SHORT G_M60059_IG06
						;; size=118 bbWeight=2 PerfScore 51.00
G_M60059_IG05:
       mov      edi, dword ptr [rbp-0x30]
       add      eax, edi
						;; size=5 bbWeight=2 PerfScore 2.50
G_M60059_IG06:
       test     eax, eax
       jl       G_M60059_IG14
       inc      eax
       mov      dword ptr [rbp-0x2C], eax
       mov      edx, r12d
       sub      edx, eax
       cmp      r12d, eax
       jb       G_M60059_IG18
       movsxd   rdi, eax
       mov      rcx, bword ptr [rbp-0x38]
       lea      rdi, bword ptr [rcx+2*rdi]
       mov      esi, 9
       mov      r8, 0xD1FFAB1E      ; code for System.PackedSpanHelpers:IndexOf[System.SpanHelpers+DontNegate`1[short],System.PackedSpanHelpers+NopTransform](byref,short,int):int
       call     [r8]System.PackedSpanHelpers:IndexOf[System.SpanHelpers+DontNegate`1[short],System.PackedSpanHelpers+NopTransform](byref,short,int):int
       test     eax, eax
       jge      SHORT G_M60059_IG07
       mov      ecx, dword ptr [rbp-0x2C]
       jmp      SHORT G_M60059_IG08
						;; size=65 bbWeight=2 PerfScore 27.50
G_M60059_IG07:
       mov      ecx, dword ptr [rbp-0x2C]
       add      eax, ecx
						;; size=5 bbWeight=2 PerfScore 2.50
G_M60059_IG08:
       test     eax, eax
       jge      SHORT G_M60059_IG09
       mov      rdi, r13
       mov      esi, ecx
       mov      rax, 0xD1FFAB1E      ; code for System.String:Substring(int):System.String:this
       call     [rax]System.String:Substring(int):System.String:this
       jmp      SHORT G_M60059_IG12
						;; size=23 bbWeight=2 PerfScore 14.00
G_M60059_IG09:
       mov      edx, eax
       sub      edx, ecx
       mov      edi, ecx
       mov      eax, edx
       add      rdi, rax
       mov      eax, r12d
       cmp      rdi, rax
       ja       G_M60059_IG17
       test     edx, edx
       je       SHORT G_M60059_IG11
       cmp      r12d, edx
       je       SHORT G_M60059_IG10
       mov      r13d, edx
       mov      edi, edx
       call     System.String:FastAllocateString(int):System.String
       mov      r12, rax
       mov      esi, dword ptr [rbp-0x2C]
       mov      rdi, bword ptr [rbp-0x38]
       lea      rsi, bword ptr [rdi+2*rsi]
       cmp      byte  ptr [r12], r12b
       lea      rdi, bword ptr [r12+0x0C]
       lea      rdx, [r13+r13]
       mov      rax, 0xD1FFAB1E      ; code for System.SpanHelpers:Memmove(byref,byref,ulong)
       call     [rax]System.SpanHelpers:Memmove(byref,byref,ulong)
       mov      rax, r12
       jmp      SHORT G_M60059_IG12
						;; size=87 bbWeight=2 PerfScore 41.00
G_M60059_IG10:
       mov      rax, r13
       jmp      SHORT G_M60059_IG12
						;; size=5 bbWeight=2 PerfScore 4.50
G_M60059_IG11:
       mov      rax, 0xD1FFAB1E      ; ''
						;; size=10 bbWeight=2 PerfScore 0.50
G_M60059_IG12:
       test     rax, rax
       je       SHORT G_M60059_IG14
       cmp      dword ptr [rax+0x08], 0
       je       SHORT G_M60059_IG14
       inc      dword ptr [r15+0x14]
       mov      r13, gword ptr [r15+0x08]
       mov      r12d, dword ptr [r15+0x10]
       mov      edi, dword ptr [r13+0x08]
       cmp      edi, r12d
       ja       SHORT G_M60059_IG13
       mov      rdi, r15
       mov      rsi, rax
       mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.List`1[System.__Canon]:AddWithResize(System.__Canon):this
       call     [rax]System.Collections.Generic.List`1[System.__Canon]:AddWithResize(System.__Canon):this
       jmp      SHORT G_M60059_IG14
						;; size=52 bbWeight=2 PerfScore 42.50
G_M60059_IG13:
       lea      edi, [r12+0x01]
       mov      dword ptr [r15+0x10], edi
       mov      edi, r12d
       lea      rdi, bword ptr [r13+8*rdi+0x10]
       mov      rsi, rax
       call     CORINFO_HELP_ASSIGN_REF
						;; size=25 bbWeight=2 PerfScore 10.00
G_M60059_IG14:
       mov      rdi, rbx
       call     [r14+0x38]System.IO.TextReader:ReadLine():System.String:this
       mov      r13, rax
       test     r13, r13
       jne      G_M60059_IG03
						;; size=19 bbWeight=4 PerfScore 19.00
G_M60059_IG15:
       mov      rax, r15
						;; size=3 bbWeight=1 PerfScore 0.25
G_M60059_IG16:
       add      rsp, 24
       pop      rbx
       pop      r12
       pop      r13
       pop      r14
       pop      r15
       pop      rbp
       ret      
						;; size=15 bbWeight=1 PerfScore 4.25
G_M60059_IG17:
       mov      ecx, dword ptr [rbp-0x2C]
       mov      rdi, r13
       mov      esi, ecx
       mov      rax, 0xD1FFAB1E      ; code for System.String:ThrowSubstringArgumentOutOfRange(int,int):this
       call     [rax]System.String:ThrowSubstringArgumentOutOfRange(int,int):this
       int3     
						;; size=21 bbWeight=0.50 PerfScore 2.50
G_M60059_IG18:
       mov      edi, 8
       xor      esi, esi
       mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentOutOfRangeException(int,int)
       call     [rax]System.ThrowHelper:ThrowArgumentOutOfRangeException(int,int)
       int3     
						;; size=20 bbWeight=0.50 PerfScore 2.00