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; Assembly listing for method <>c:<GetArrayDataReference_NullInput_ThrowsNullRef>b__46_1():System.Object:this

; Emitting BLENDED_CODE for generic ARM64 CPU - Windows

; optimized code

; fp based frame

; partially interruptible

; No matching PGO data

; 0 inlinees with PGO data; 7 single block inlinees; 0 inlinees without PGO data

; Final local variable assignments

;

;* V00 this [V00 ] ( 0, 0 ) ref -> zero-ref this class-hnd single-def

;# V01 OutArgs [V01 ] ( 1, 1 ) lclBlk ( 0) [sp+00H] "OutgoingArgSpace"

; V02 tmp1 [V02,T00] ( 3, 6 ) ref -> x0 class-hnd exact single-def "Single-def Box Helper"

;* V03 tmp2 [V03 ] ( 0, 0 ) byref -> zero-ref single-def "impAppendStmt"

;* V04 tmp3 [V04 ] ( 0, 0 ) ref -> zero-ref single-def "CheckForNullPointer"

;* V05 tmp4 [V05 ] ( 0, 0 ) long -> zero-ref "Inlining Arg"

; V05 tmp4 [V05,T01] ( 2, 4 ) long -> x19 "Inlining Arg"

;* V06 tmp5 [V06 ] ( 0, 0 ) long -> zero-ref "NewObj constructor temp"

;* V07 tmp6 [V07 ] ( 0, 0 ) ref -> zero-ref single-def "Big Offset Morphing"

;

; Lcl frame size = 0

; Lcl frame size = 8

G_M7618_IG01: ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG

stp fp, lr, [sp,#-16]!

stp fp, lr, [sp,#-32]!

str x19, [sp,#24]

mov fp, sp

;; bbWeight=1 PerfScore 1.50

;; bbWeight=1 PerfScore 2.50

G_M7618_IG02: ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref

mov x0, #0

ldr wzr, [x0]

movn x0, #7

ldr x0, [x0]

ldr wzr, [x0,#4]

ldr w0, [x0,#4]

mov w0, w0

sub x19, x0, #16

movz x0, #0xd1ffab1e

movk x0, #0xd1ffab1e LSL #16

movk x0, #0xd1ffab1e LSL #32

bl CORINFO_HELP_NEWSFAST

; gcrRegs +[x0]

mov x1, #0

ldrb w1, [x19]

ldrb w1, [x1]

strb w1, [x0,#8]

;; bbWeight=1 PerfScore 20.00

;; bbWeight=1 PerfScore 20.50

G_M7618_IG03: ; , epilog, nogc, extend

ldp fp, lr, [sp],#16

ldr x19, [sp,#24]

ldp fp, lr, [sp],#32

ret lr

;; bbWeight=1 PerfScore 2.00

;; bbWeight=1 PerfScore 4.00

; Total bytes of code 68, prolog size 8, PerfScore 30.30, instruction count 17, allocated bytes for code 68 (MethodHash=810ae23d) for method <>c:<GetArrayDataReference_NullInput_ThrowsNullRef>b__46_1():System.Object:this

; Total bytes of code 80, prolog size 12, PerfScore 35.00, instruction count 20, allocated bytes for code 80 (MethodHash=810ae23d) for method <>c:<GetArrayDataReference_NullInput_ThrowsNullRef>b__46_1():System.Object:this

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

Unwind Info:

>> Start offset : 0x000000 (not in unwind data)

>> End offset : 0xd1ffab1e (not in unwind data)

Code Words : 1

Code Words : 2

Epilog Count : 1

E bit : 0

X bit : 0

Vers : 0

Function Length : 17 (0x00011) Actual length = 68 (0x000044)

Function Length : 20 (0x00014) Actual length = 80 (0x000050)

---- Epilog scopes ----

---- Scope 0

Epilog Start Offset : 3523193630 (0xd1ffab1e) Actual offset = 3523193630 (0xd1ffab1e) Offset from main function begin = 3523193630 (0xd1ffab1e)

Epilog Start Index : 1 (0x01)

---- Unwind codes ----

E1 set_fp; mov fp, sp

---- Epilog start at index 1 ----

81 save_fplr_x #1 (0x01); stp fp, lr, [sp, #-16]!

D0 03 save_reg X#0 Z#3 (0x03); str x19, [sp, #24]

83 save_fplr_x #3 (0x03); stp fp, lr, [sp, #-32]!

E4 end

保存された差分

原文

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; Assembly listing for method <>c:<GetArrayDataReference_NullInput_ThrowsNullRef>b__46_1():System.Object:this
; Emitting BLENDED_CODE for generic ARM64 CPU - Windows
; optimized code
; fp based frame
; partially interruptible
; No matching PGO data
; 0 inlinees with PGO data; 7 single block inlinees; 0 inlinees without PGO data
; Final local variable assignments
;
;* V00 this         [V00    ] (  0,  0   )     ref  ->  zero-ref    this class-hnd single-def
;# V01 OutArgs      [V01    ] (  1,  1   )  lclBlk ( 0) [sp+00H]   "OutgoingArgSpace"
;  V02 tmp1         [V02,T00] (  3,  6   )     ref  ->   x0         class-hnd exact single-def "Single-def Box Helper"
;* V03 tmp2         [V03    ] (  0,  0   )   byref  ->  zero-ref    single-def "impAppendStmt"
;* V04 tmp3         [V04    ] (  0,  0   )     ref  ->  zero-ref    single-def "CheckForNullPointer"
;* V05 tmp4         [V05    ] (  0,  0   )    long  ->  zero-ref    "Inlining Arg"
;* V06 tmp5         [V06    ] (  0,  0   )    long  ->  zero-ref    "NewObj constructor temp"
;* V07 tmp6         [V07    ] (  0,  0   )     ref  ->  zero-ref    single-def "Big Offset Morphing"
;
; Lcl frame size = 0

G_M7618_IG01:        ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG
            stp     fp, lr, [sp,#-16]!
            mov     fp, sp
						;; bbWeight=1    PerfScore 1.50
G_M7618_IG02:        ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref
            mov     x0, #0
            ldr     wzr, [x0]
            ldr     wzr, [x0]
            movn    x0, #7
            ldr     x0, [x0]
            ldr     wzr, [x0,#4]
            movz    x0, #0xd1ffab1e
            movk    x0, #0xd1ffab1e LSL #16
            movk    x0, #0xd1ffab1e LSL #32
            bl      CORINFO_HELP_NEWSFAST
            ; gcrRegs +[x0]
            mov     x1, #0
            ldrb    w1, [x1]
            strb    w1, [x0,#8]
						;; bbWeight=1    PerfScore 20.00
G_M7618_IG03:        ; , epilog, nogc, extend
            ldp     fp, lr, [sp],#16
            ret     lr
						;; bbWeight=1    PerfScore 2.00

Unwind Info:
  >> Start offset   : 0x000000 (not in unwind data)
  >>   End offset   : 0xd1ffab1e (not in unwind data)
  Code Words        : 1
  Epilog Count      : 1
  E bit             : 0
  X bit             : 0
  Vers              : 0
  Function Length   : 17 (0x00011) Actual length = 68 (0x000044)
  ---- Epilog scopes ----
  ---- Scope 0
  Epilog Start Offset        : 3523193630 (0xd1ffab1e) Actual offset = 3523193630 (0xd1ffab1e) Offset from main function begin = 3523193630 (0xd1ffab1e)
  Epilog Start Index         : 1 (0x01)
  ---- Unwind codes ----
    E1          set_fp; mov fp, sp
    ---- Epilog start at index 1 ----
    81          save_fplr_x #1 (0x01); stp fp, lr, [sp, #-16]!
    E4          end
    E4          end

変更されたテキスト

ファイルを開く

; Assembly listing for method <>c:<GetArrayDataReference_NullInput_ThrowsNullRef>b__46_1():System.Object:this
; Emitting BLENDED_CODE for generic ARM64 CPU - Windows
; optimized code
; fp based frame
; partially interruptible
; No matching PGO data
; 0 inlinees with PGO data; 7 single block inlinees; 0 inlinees without PGO data
; Final local variable assignments
;
;* V00 this         [V00    ] (  0,  0   )     ref  ->  zero-ref    this class-hnd single-def
;# V01 OutArgs      [V01    ] (  1,  1   )  lclBlk ( 0) [sp+00H]   "OutgoingArgSpace"
;  V02 tmp1         [V02,T00] (  3,  6   )     ref  ->   x0         class-hnd exact single-def "Single-def Box Helper"
;* V03 tmp2         [V03    ] (  0,  0   )   byref  ->  zero-ref    single-def "impAppendStmt"
;* V04 tmp3         [V04    ] (  0,  0   )     ref  ->  zero-ref    single-def "CheckForNullPointer"
;  V05 tmp4         [V05,T01] (  2,  4   )    long  ->  x19         "Inlining Arg"
;* V06 tmp5         [V06    ] (  0,  0   )    long  ->  zero-ref    "NewObj constructor temp"
;* V07 tmp6         [V07    ] (  0,  0   )     ref  ->  zero-ref    single-def "Big Offset Morphing"
;
; Lcl frame size = 8

G_M7618_IG01:        ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG
            stp     fp, lr, [sp,#-32]!
            str     x19, [sp,#24]
            mov     fp, sp
						;; bbWeight=1    PerfScore 2.50
G_M7618_IG02:        ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref
            mov     x0, #0
            ldr     wzr, [x0]
            ldr     wzr, [x0]
            movn    x0, #7
            ldr     x0, [x0]
            ldr     w0, [x0,#4]
            mov     w0, w0
            sub     x19, x0, #16
            movz    x0, #0xd1ffab1e
            movk    x0, #0xd1ffab1e LSL #16
            movk    x0, #0xd1ffab1e LSL #32
            bl      CORINFO_HELP_NEWSFAST
            ; gcrRegs +[x0]
            ldrb    w1, [x19]
            strb    w1, [x0,#8]
						;; bbWeight=1    PerfScore 20.50
G_M7618_IG03:        ; , epilog, nogc, extend
            ldr     x19, [sp,#24]
            ldp     fp, lr, [sp],#32
            ret     lr
						;; bbWeight=1    PerfScore 4.00

Unwind Info:
  >> Start offset   : 0x000000 (not in unwind data)
  >>   End offset   : 0xd1ffab1e (not in unwind data)
  Code Words        : 2
  Epilog Count      : 1
  E bit             : 0
  X bit             : 0
  Vers              : 0
  Function Length   : 20 (0x00014) Actual length = 80 (0x000050)
  ---- Epilog scopes ----
  ---- Scope 0
  Epilog Start Offset        : 3523193630 (0xd1ffab1e) Actual offset = 3523193630 (0xd1ffab1e) Offset from main function begin = 3523193630 (0xd1ffab1e)
  Epilog Start Index         : 1 (0x01)
  ---- Unwind codes ----
    E1          set_fp; mov fp, sp
    ---- Epilog start at index 1 ----
    D0 03       save_reg X#0 Z#3 (0x03); str x19, [sp, #24]
    83          save_fplr_x #3 (0x03); stp fp, lr, [sp, #-32]!
    E4          end
    E4          end
    E4          end
    E4          end