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; Assembly listing for method System.Number:DigitsToUInt32(long,int):int

; Emitting BLENDED_CODE for generic ARM64 CPU - Windows

; optimized code

; fp based frame

; fully interruptible

; No matching PGO data

; 0 inlinees with PGO data; 1 single block inlinees; 1 inlinees without PGO data

; Final local variable assignments

;

; V00 arg0 [V00,T00] ( 11, 23 ) long -> x19

; V01 arg1 [V01,T02] ( 5, 4.50) int -> x20 single-def

; V02 loc0 [V02,T03] ( 3, 6 ) long -> x0

; V03 loc1 [V03,T01] ( 4, 10 ) int -> x1

;# V04 OutArgs [V04 ] ( 1, 1 ) lclBlk ( 0) [sp+00H] "OutgoingArgSpace"

; V05 tmp1 [V05,T07] ( 3, 2 ) int -> x0

; V06 tmp2 [V06,T05] ( 2, 4 ) bool -> x0 "Inlining Arg"

;* V07 tmp3 [V07,T08] ( 0, 0 ) ref -> zero-ref class-hnd single-def "Inlining Arg"

; V08 tmp4 [V08,T04] ( 3, 4 ) ref -> x1 class-hnd single-def "Inlining Arg"

; V09 cse0 [V09,T06] ( 2, 2 ) ref -> x1 "CSE - aggressive"

;

; Lcl frame size = 0

G_M47917_IG01: ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG

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

stp x19, x20, [sp,#16]

mov fp, sp

mov x19, x0

mov w20, w1

;; bbWeight=1 PerfScore 3.50

G_M47917_IG02: ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, isz

cmp w20, #1

blt G_M47917_IG04

;; bbWeight=1 PerfScore 1.50

G_M47917_IG03: ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref

cmp w20, #9

cset x0, le

b G_M47917_IG05

;; bbWeight=0.50 PerfScore 1.00

G_M47917_IG04: ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref

mov w0, wzr

;; bbWeight=0.50 PerfScore 0.25

G_M47917_IG05: ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, isz

uxtb w0, w0

movz x1, #0xd1ffab1e

movk x1, #0xd1ffab1e LSL #16

movk x1, #0xd1ffab1e LSL #32

ldr x1, [x1]

; gcrRegs +[x1]

cbnz w0, G_M47917_IG07

;; bbWeight=1 PerfScore 6.00

G_M47917_IG06: ; gcrefRegs=0002 {x1}, byrefRegs=0000 {}, byref

mov x0, x1

; gcrRegs +[x0]

bl hackishModuleName:hackishMethodName()

; gcrRegs -[x0-x1]

; gcr arg pop 0

;; bbWeight=0.50 PerfScore 0.75

G_M47917_IG07: ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, isz

sxtw x0, w20

add x0, x19, w20, SXTW

add x0, x19, x0

ldrb w1, [x19]

sub w1, w1, #48

add x19, x19, #1

cmp x19, x0

bhs G_M47917_IG09

;; bbWeight=1 PerfScore 6.50

G_M47917_IG08: ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, isz

mov x2, #5

mul w1, w1, w2

lsl w1, w1, #1

ldrb w2, [x19]

add w1, w1, w2

add w1, w2, w1, LSL #1

sub w1, w1, #48

add x19, x19, #1

cmp x19, x0

blo G_M47917_IG08

;; bbWeight=4 PerfScore 38.00

;; bbWeight=4 PerfScore 36.00

G_M47917_IG09: ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref

mov w0, w1

;; bbWeight=1 PerfScore 0.50

G_M47917_IG10: ; , epilog, nogc, extend

ldp x19, x20, [sp,#16]

ldp fp, lr, [sp],#32

ret lr

;; bbWeight=1 PerfScore 3.00

; Total bytes of code 156, prolog size 20, PerfScore 76.60, instruction count 39, allocated bytes for code 156 (MethodHash=afe144d2) for method System.Number:DigitsToUInt32(long,int):int

; Total bytes of code 148, prolog size 20, PerfScore 73.80, instruction count 37, allocated bytes for code 148 (MethodHash=afe144d2) for method System.Number:DigitsToUInt32(long,int):int

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

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 : 39 (0x00027) Actual length = 156 (0x00009c)

Function Length : 37 (0x00025) Actual length = 148 (0x000094)

---- Epilog scopes ----

---- Scope 0

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

已保存差異

原始文本

開啟檔案

; Assembly listing for method System.Number:DigitsToUInt32(long,int):int
; Emitting BLENDED_CODE for generic ARM64 CPU - Windows
; optimized code
; fp based frame
; fully interruptible
; No matching PGO data
; 0 inlinees with PGO data; 1 single block inlinees; 1 inlinees without PGO data
; Final local variable assignments
;
;  V00 arg0         [V00,T00] ( 11, 23   )    long  ->  x19        
;  V01 arg1         [V01,T02] (  5,  4.50)     int  ->  x20         single-def
;  V02 loc0         [V02,T03] (  3,  6   )    long  ->   x0        
;  V03 loc1         [V03,T01] (  4, 10   )     int  ->   x1        
;# V04 OutArgs      [V04    ] (  1,  1   )  lclBlk ( 0) [sp+00H]   "OutgoingArgSpace"
;  V05 tmp1         [V05,T07] (  3,  2   )     int  ->   x0        
;  V06 tmp2         [V06,T05] (  2,  4   )    bool  ->   x0         "Inlining Arg"
;* V07 tmp3         [V07,T08] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def "Inlining Arg"
;  V08 tmp4         [V08,T04] (  3,  4   )     ref  ->   x1         class-hnd single-def "Inlining Arg"
;  V09 cse0         [V09,T06] (  2,  2   )     ref  ->   x1         "CSE - aggressive"
;
; Lcl frame size = 0

G_M47917_IG01:        ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG
            stp     fp, lr, [sp,#-32]!
            stp     x19, x20, [sp,#16]
            mov     fp, sp
            mov     x19, x0
            mov     w20, w1
						;; bbWeight=1    PerfScore 3.50
G_M47917_IG02:        ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, isz
            cmp     w20, #1
            blt     G_M47917_IG04
						;; bbWeight=1    PerfScore 1.50
G_M47917_IG03:        ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref
            cmp     w20, #9
            cset    x0, le
            b       G_M47917_IG05
						;; bbWeight=0.50 PerfScore 1.00
G_M47917_IG04:        ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref
            mov     w0, wzr
						;; bbWeight=0.50 PerfScore 0.25
G_M47917_IG05:        ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, isz
            uxtb    w0, w0
            movz    x1, #0xd1ffab1e
            movk    x1, #0xd1ffab1e LSL #16
            movk    x1, #0xd1ffab1e LSL #32
            ldr     x1, [x1]
            ; gcrRegs +[x1]
            cbnz    w0, G_M47917_IG07
						;; bbWeight=1    PerfScore 6.00
G_M47917_IG06:        ; gcrefRegs=0002 {x1}, byrefRegs=0000 {}, byref
            mov     x0, x1
            ; gcrRegs +[x0]
            bl      hackishModuleName:hackishMethodName()
            ; gcrRegs -[x0-x1]
            ; gcr arg pop 0
						;; bbWeight=0.50 PerfScore 0.75
G_M47917_IG07:        ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, isz
            sxtw    x0, w20
            add     x0, x19, x0
            ldrb    w1, [x19]
            sub     w1, w1, #48
            add     x19, x19, #1
            cmp     x19, x0
            bhs     G_M47917_IG09
						;; bbWeight=1    PerfScore 6.50
G_M47917_IG08:        ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, isz
            mov     x2, #5
            mul     w1, w1, w2
            lsl     w1, w1, #1
            ldrb    w2, [x19]
            add     w1, w1, w2
            sub     w1, w1, #48
            add     x19, x19, #1
            cmp     x19, x0
            blo     G_M47917_IG08
						;; bbWeight=4    PerfScore 38.00
G_M47917_IG09:        ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref
            mov     w0, w1
						;; bbWeight=1    PerfScore 0.50
G_M47917_IG10:        ; , epilog, nogc, extend
            ldp     x19, x20, [sp,#16]
            ldp     fp, lr, [sp],#32
            ret     lr
						;; bbWeight=1    PerfScore 3.00

; Total bytes of code 156, prolog size 20, PerfScore 76.60, instruction count 39, allocated bytes for code 156 (MethodHash=afe144d2) for method System.Number:DigitsToUInt32(long,int):int
; ============================================================

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   : 39 (0x00027) Actual length = 156 (0x00009c)
  ---- 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 ----
    C8 02       save_regp X#0 Z#2 (0x02); stp x19, x20, [sp, #16]
    83          save_fplr_x #3 (0x03); stp fp, lr, [sp, #-32]!
    E4          end
    E4          end
    E4          end
    E4          end

更改後文本

開啟檔案

G_M47917_IG01:        ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, nogc <-- Prolog IG
            stp     fp, lr, [sp,#-32]!
            stp     x19, x20, [sp,#16]
            mov     fp, sp
            mov     x19, x0
            mov     w20, w1
						;; bbWeight=1    PerfScore 3.50
G_M47917_IG02:        ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, isz
            cmp     w20, #1
            blt     G_M47917_IG04
						;; bbWeight=1    PerfScore 1.50
G_M47917_IG03:        ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref
            cmp     w20, #9
            cset    x0, le
            b       G_M47917_IG05
						;; bbWeight=0.50 PerfScore 1.00
G_M47917_IG04:        ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref
            mov     w0, wzr
						;; bbWeight=0.50 PerfScore 0.25
G_M47917_IG05:        ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, isz
            uxtb    w0, w0
            movz    x1, #0xd1ffab1e
            movk    x1, #0xd1ffab1e LSL #16
            movk    x1, #0xd1ffab1e LSL #32
            ldr     x1, [x1]
            ; gcrRegs +[x1]
            cbnz    w0, G_M47917_IG07
						;; bbWeight=1    PerfScore 6.00
G_M47917_IG06:        ; gcrefRegs=0002 {x1}, byrefRegs=0000 {}, byref
            mov     x0, x1
            ; gcrRegs +[x0]
            bl      hackishModuleName:hackishMethodName()
            ; gcrRegs -[x0-x1]
            ; gcr arg pop 0
						;; bbWeight=0.50 PerfScore 0.75
G_M47917_IG07:        ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, isz
            add     x0, x19, w20, SXTW
            ldrb    w1, [x19]
            sub     w1, w1, #48
            add     x19, x19, #1
            cmp     x19, x0
            bhs     G_M47917_IG09
						;; bbWeight=1    PerfScore 6.50
G_M47917_IG08:        ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref, isz
            mov     x2, #5
            mul     w1, w1, w2
            ldrb    w2, [x19]
            add     w1, w2, w1, LSL #1
            sub     w1, w1, #48
            add     x19, x19, #1
            cmp     x19, x0
            blo     G_M47917_IG08
						;; bbWeight=4    PerfScore 36.00
G_M47917_IG09:        ; gcrefRegs=0000 {}, byrefRegs=0000 {}, byref
            mov     w0, w1
						;; bbWeight=1    PerfScore 0.50
G_M47917_IG10:        ; , epilog, nogc, extend
            ldp     x19, x20, [sp,#16]
            ldp     fp, lr, [sp],#32
            ret     lr
						;; bbWeight=1    PerfScore 3.00

; Total bytes of code 148, prolog size 20, PerfScore 73.80, instruction count 37, allocated bytes for code 148 (MethodHash=afe144d2) for method System.Number:DigitsToUInt32(long,int):int
; ============================================================

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   : 37 (0x00025) Actual length = 148 (0x000094)
  ---- 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 ----
    C8 02       save_regp X#0 Z#2 (0x02); stp x19, x20, [sp, #16]
    83          save_fplr_x #3 (0x03); stp fp, lr, [sp, #-32]!
    E4          end
    E4          end
    E4          end
    E4          end