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5 years ago
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;;
;;
;; bool SpanStartsWith(ReadOnlySpan<char> span) => span.StartsWith("http");
;; bool SpanStartsWith(ReadOnlySpan<char> span) => span.StartsWith("http");
;;
;;
; Method Program:SpanStartsWith(System.ReadOnlySpan`1[Char]):bool:this
; Method Program:SpanStartsWith(System.ReadOnlySpan`1[Char]):bool:this
G_M53742_IG01: ;; offset=0000H
G_M53742_IG01: ;; offset=0000H
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4883EC28 sub rsp, 40
;; bbWeight=1 PerfScore 0.
00
;; bbWeight=1 PerfScore 0.
25
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G_M53742_IG02: ;; offset=000
4
H
G_M53742_IG02: ;; offset=000
0
H
49B810556144B4020000 mov r8, 0x2B444615510
837A0804
cmp
dword ptr [rdx+8]
, 4
4D8B00 mov r8, gword ptr [r8]
7C1
8
jl SHORT G_M53742_IG04
4983C00C add r8, 12
;; bbWeight=1 PerfScore
3.00
488B0A mov rcx, bword ptr [rdx]
8B5208
mov
edx,
dword ptr [rdx+8]
4C89442420 mov bword ptr [rsp+20H], r8
83FA04 cmp edx, 4
7C1
2
jl SHORT G_M53742_IG04
;; bbWeight=1 PerfScore
8.75
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G_M53742_IG03: ;; offset=
0025H
G_M53742_IG03: ;; offset=
0006H
41B808000000
mov
r8d, 8
488B02
mov
rax, bword ptr [rdx]
488B542420
mov
rdx, b
word ptr [
rsp+20H]
48BA6800740074007000 mov rdx, 0x70007400740068
E83BD9FDFF
call
System.SpanHelpers:SequenceEqual(byref,byref,long):bool
483910
cmp
q
word ptr [
rax], rdx
0F94C0
sete al
0FB6C0 movzx rax, al
EB02 jmp SHORT G_M53742_IG05
EB02 jmp SHORT G_M53742_IG05
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;; bbWeight=0.
50
PerfScore
2.13
;; bbWeight=0.
25
PerfScore
1.88
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G_M53742_IG04: ;; offset=
0037H
G_M53742_IG04: ;; offset=
001EH
33C0 xor eax, eax
33C0 xor eax, eax
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;; bbWeight=0.
50
PerfScore 0.
13
;; bbWeight=0.
25
PerfScore 0.
06
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G_M53742_IG05: ;; offset=
0039H
G_M53742_IG05: ;; offset=
0020H
4883C428
add
rsp, 40
0FB6C0
movzx rax, al
;; bbWeight=1 PerfScore 0.25
G_M53742_IG06:
;; offset=0023H
C3 ret
C3 ret
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;; bbWeight=1 PerfScore 1.
25
;; bbWeight=1 PerfScore 1.
00
; Total bytes of code:
62
; Total bytes of code:
36
Saved diffs
Original text
Open file
;; ;; bool SpanStartsWith(ReadOnlySpan<char> span) => span.StartsWith("http"); ;; ; Method Program:SpanStartsWith(System.ReadOnlySpan`1[Char]):bool:this G_M53742_IG01: ;; offset=0000H 4883EC28 sub rsp, 40 ;; bbWeight=1 PerfScore 0.25 G_M53742_IG02: ;; offset=0004H 49B810556144B4020000 mov r8, 0x2B444615510 4D8B00 mov r8, gword ptr [r8] 4983C00C add r8, 12 488B0A mov rcx, bword ptr [rdx] 8B5208 mov edx, dword ptr [rdx+8] 4C89442420 mov bword ptr [rsp+20H], r8 83FA04 cmp edx, 4 7C12 jl SHORT G_M53742_IG04 ;; bbWeight=1 PerfScore 8.75 G_M53742_IG03: ;; offset=0025H 41B808000000 mov r8d, 8 488B542420 mov rdx, bword ptr [rsp+20H] E83BD9FDFF call System.SpanHelpers:SequenceEqual(byref,byref,long):bool EB02 jmp SHORT G_M53742_IG05 ;; bbWeight=0.50 PerfScore 2.13 G_M53742_IG04: ;; offset=0037H 33C0 xor eax, eax ;; bbWeight=0.50 PerfScore 0.13 G_M53742_IG05: ;; offset=0039H 4883C428 add rsp, 40 C3 ret ;; bbWeight=1 PerfScore 1.25 ; Total bytes of code: 62
Changed text
Open file
;; ;; bool SpanStartsWith(ReadOnlySpan<char> span) => span.StartsWith("http"); ;; ; Method Program:SpanStartsWith(System.ReadOnlySpan`1[Char]):bool:this G_M53742_IG01: ;; offset=0000H ;; bbWeight=1 PerfScore 0.00 G_M53742_IG02: ;; offset=0000H 837A0804 cmp dword ptr [rdx+8], 4 7C18 jl SHORT G_M53742_IG04 ;; bbWeight=1 PerfScore 3.00 G_M53742_IG03: ;; offset=0006H 488B02 mov rax, bword ptr [rdx] 48BA6800740074007000 mov rdx, 0x70007400740068 483910 cmp qword ptr [rax], rdx 0F94C0 sete al 0FB6C0 movzx rax, al EB02 jmp SHORT G_M53742_IG05 ;; bbWeight=0.25 PerfScore 1.88 G_M53742_IG04: ;; offset=001EH 33C0 xor eax, eax ;; bbWeight=0.25 PerfScore 0.06 G_M53742_IG05: ;; offset=0020H 0FB6C0 movzx rax, al ;; bbWeight=1 PerfScore 0.25 G_M53742_IG06: ;; offset=0023H C3 ret ;; bbWeight=1 PerfScore 1.00 ; Total bytes of code: 36
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