[JitDiff X64] xtqqczze/dotnet-runtime/remove-this-trick #861
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xtqqczze
referenced
this issue
in dotnet/runtime
Jan 4, 2025
Top method regressions7 (4.58 % of base) - System.Text.Encodings.Web.DefaultHtmlEncoder+EscaperImplementation:EncodeUtf16(System.Text.Rune,System.Span`1[ushort]):int:this ; Assembly listing for method System.Text.Encodings.Web.DefaultHtmlEncoder+EscaperImplementation:EncodeUtf16(System.Text.Rune,System.Span`1[ushort]):int:this (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; 13 single block inlinees; 12 inlinees without PGO data
; Final local variable assignments
;
-; V00 this [V00,T03] ( 3, 2.50) ref -> rdi this class-hnd single-def <System.Text.Encodings.Web.DefaultHtmlEncoder+EscaperImplementation>
+;* V00 this [V00 ] ( 0, 0 ) ref -> zero-ref this class-hnd single-def <System.Text.Encodings.Web.DefaultHtmlEncoder+EscaperImplementation>
;* V01 arg1 [V01 ] ( 0, 0 ) struct ( 8) zero-ref ld-addr-op single-def <System.Text.Rune>
;* V02 arg2 [V02 ] ( 0, 0 ) struct (16) zero-ref multireg-arg single-def <System.Span`1[ushort]>
;* V03 loc0 [V03 ] ( 0, 0 ) struct (16) zero-ref ld-addr-op <System.ReadOnlySpan`1[ushort]>
;# V04 OutArgs [V04 ] ( 1, 1 ) struct ( 0) [rsp+0x00] do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
;* V05 tmp1 [V05 ] ( 0, 0 ) struct (16) zero-ref "Inline return value spill temp" <System.ReadOnlySpan`1[ushort]>
;* V06 tmp2 [V06 ] ( 0, 0 ) struct (16) zero-ref ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[ushort]>
;* V07 tmp3 [V07 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
-;* V08 tmp4 [V08,T09] ( 0, 0 ) ubyte -> zero-ref "Inline stloc first use temp"
+;* V08 tmp4 [V08,T08] ( 0, 0 ) ubyte -> zero-ref "Inline stloc first use temp"
;* V09 tmp5 [V09 ] ( 0, 0 ) struct (16) zero-ref ld-addr-op "Inlining Arg" <System.Span`1[ushort]>
;* V10 tmp6 [V10 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
;* V11 tmp7 [V11 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
;* V12 tmp8 [V12 ] ( 0, 0 ) long -> zero-ref "Inlining Arg"
;* V13 tmp9 [V13 ] ( 0, 0 ) struct (16) zero-ref "Inline return value spill temp" <System.ReadOnlySpan`1[ushort]>
;* V14 tmp10 [V14 ] ( 0, 0 ) struct (16) zero-ref ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[ushort]>
;* V15 tmp11 [V15 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
-;* V16 tmp12 [V16,T10] ( 0, 0 ) ubyte -> zero-ref "Inline stloc first use temp"
+;* V16 tmp12 [V16,T09] ( 0, 0 ) ubyte -> zero-ref "Inline stloc first use temp"
;* V17 tmp13 [V17 ] ( 0, 0 ) struct (16) zero-ref ld-addr-op "Inlining Arg" <System.Span`1[ushort]>
;* V18 tmp14 [V18 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
;* V19 tmp15 [V19 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
;* V20 tmp16 [V20 ] ( 0, 0 ) long -> zero-ref "Inlining Arg"
;* V21 tmp17 [V21 ] ( 0, 0 ) struct (16) zero-ref "Inline return value spill temp" <System.ReadOnlySpan`1[ushort]>
;* V22 tmp18 [V22 ] ( 0, 0 ) struct (16) zero-ref ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[ushort]>
;* V23 tmp19 [V23 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
-;* V24 tmp20 [V24,T11] ( 0, 0 ) ubyte -> zero-ref "Inline stloc first use temp"
+;* V24 tmp20 [V24,T10] ( 0, 0 ) ubyte -> zero-ref "Inline stloc first use temp"
;* V25 tmp21 [V25 ] ( 0, 0 ) struct (16) zero-ref ld-addr-op "Inlining Arg" <System.Span`1[ushort]>
;* V26 tmp22 [V26 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
;* V27 tmp23 [V27 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
;* V28 tmp24 [V28 ] ( 0, 0 ) long -> zero-ref "Inlining Arg"
;* V29 tmp25 [V29 ] ( 0, 0 ) struct (16) zero-ref "Inline return value spill temp" <System.ReadOnlySpan`1[ushort]>
;* V30 tmp26 [V30 ] ( 0, 0 ) struct (16) zero-ref ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[ushort]>
;* V31 tmp27 [V31 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
-;* V32 tmp28 [V32,T12] ( 0, 0 ) ubyte -> zero-ref "Inline stloc first use temp"
+;* V32 tmp28 [V32,T11] ( 0, 0 ) ubyte -> zero-ref "Inline stloc first use temp"
;* V33 tmp29 [V33 ] ( 0, 0 ) struct (16) zero-ref ld-addr-op "Inlining Arg" <System.Span`1[ushort]>
;* V34 tmp30 [V34 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
;* V35 tmp31 [V35 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
;* V36 tmp32 [V36 ] ( 0, 0 ) long -> zero-ref "Inlining Arg"
-; V37 tmp33 [V37,T04] ( 3, 3 ) int -> rax "Single return block return value"
-; V38 tmp34 [V38,T01] ( 6, 4 ) int -> rsi single-def "field V01._value (fldOffset=0x0)" P-INDEP
+; V37 tmp33 [V37,T03] ( 3, 3 ) int -> rax "Single return block return value"
+; V38 tmp34 [V38,T01] ( 6, 4 ) int -> rdi single-def "field V01._value (fldOffset=0x0)" P-INDEP
; V39 tmp35 [V39,T00] ( 8, 4.50) byref -> rdx single-def "field V02._reference (fldOffset=0x0)" P-INDEP
; V40 tmp36 [V40,T02] ( 6, 3.50) int -> rcx single-def "field V02._length (fldOffset=0x8)" P-INDEP
;* V41 tmp37 [V41 ] ( 0, 0 ) byref -> zero-ref "field V03._reference (fldOffset=0x0)" P-INDEP
;* V42 tmp38 [V42 ] ( 0, 0 ) int -> zero-ref "field V03._length (fldOffset=0x8)" P-INDEP
;* V43 tmp39 [V43 ] ( 0, 0 ) byref -> zero-ref "field V05._reference (fldOffset=0x0)" P-INDEP
;* V44 tmp40 [V44 ] ( 0, 0 ) int -> zero-ref "field V05._length (fldOffset=0x8)" P-INDEP
-;* V45 tmp41 [V45,T05] ( 0, 0 ) byref -> zero-ref single-def "field V06._reference (fldOffset=0x0)" P-INDEP
+;* V45 tmp41 [V45,T04] ( 0, 0 ) byref -> zero-ref single-def "field V06._reference (fldOffset=0x0)" P-INDEP
;* V46 tmp42 [V46 ] ( 0, 0 ) int -> zero-ref "field V06._length (fldOffset=0x8)" P-INDEP
;* V47 tmp43 [V47 ] ( 0, 0 ) byref -> zero-ref single-def "field V09._reference (fldOffset=0x0)" P-INDEP
;* V48 tmp44 [V48 ] ( 0, 0 ) int -> zero-ref "field V09._length (fldOffset=0x8)" P-INDEP
;* V49 tmp45 [V49 ] ( 0, 0 ) byref -> zero-ref "field V13._reference (fldOffset=0x0)" P-INDEP
;* V50 tmp46 [V50 ] ( 0, 0 ) int -> zero-ref "field V13._length (fldOffset=0x8)" P-INDEP
-;* V51 tmp47 [V51,T06] ( 0, 0 ) byref -> zero-ref single-def "field V14._reference (fldOffset=0x0)" P-INDEP
+;* V51 tmp47 [V51,T05] ( 0, 0 ) byref -> zero-ref single-def "field V14._reference (fldOffset=0x0)" P-INDEP
;* V52 tmp48 [V52 ] ( 0, 0 ) int -> zero-ref "field V14._length (fldOffset=0x8)" P-INDEP
;* V53 tmp49 [V53 ] ( 0, 0 ) byref -> zero-ref single-def "field V17._reference (fldOffset=0x0)" P-INDEP
;* V54 tmp50 [V54 ] ( 0, 0 ) int -> zero-ref "field V17._length (fldOffset=0x8)" P-INDEP
;* V55 tmp51 [V55 ] ( 0, 0 ) byref -> zero-ref "field V21._reference (fldOffset=0x0)" P-INDEP
;* V56 tmp52 [V56 ] ( 0, 0 ) int -> zero-ref "field V21._length (fldOffset=0x8)" P-INDEP
-;* V57 tmp53 [V57,T07] ( 0, 0 ) byref -> zero-ref single-def "field V22._reference (fldOffset=0x0)" P-INDEP
+;* V57 tmp53 [V57,T06] ( 0, 0 ) byref -> zero-ref single-def "field V22._reference (fldOffset=0x0)" P-INDEP
;* V58 tmp54 [V58 ] ( 0, 0 ) int -> zero-ref "field V22._length (fldOffset=0x8)" P-INDEP
;* V59 tmp55 [V59 ] ( 0, 0 ) byref -> zero-ref single-def "field V25._reference (fldOffset=0x0)" P-INDEP
;* V60 tmp56 [V60 ] ( 0, 0 ) int -> zero-ref "field V25._length (fldOffset=0x8)" P-INDEP
;* V61 tmp57 [V61 ] ( 0, 0 ) byref -> zero-ref "field V29._reference (fldOffset=0x0)" P-INDEP
;* V62 tmp58 [V62 ] ( 0, 0 ) int -> zero-ref "field V29._length (fldOffset=0x8)" P-INDEP
-;* V63 tmp59 [V63,T08] ( 0, 0 ) byref -> zero-ref single-def "field V30._reference (fldOffset=0x0)" P-INDEP
+;* V63 tmp59 [V63,T07] ( 0, 0 ) byref -> zero-ref single-def "field V30._reference (fldOffset=0x0)" P-INDEP
;* V64 tmp60 [V64 ] ( 0, 0 ) int -> zero-ref "field V30._length (fldOffset=0x8)" P-INDEP
;* V65 tmp61 [V65 ] ( 0, 0 ) byref -> zero-ref single-def "field V33._reference (fldOffset=0x0)" P-INDEP
;* V66 tmp62 [V66 ] ( 0, 0 ) int -> zero-ref "field V33._length (fldOffset=0x8)" P-INDEP
;
; Lcl frame size = 0
G_M621_IG01:
push rbp
mov rbp, rsp
- ;; size=4 bbWeight=1 PerfScore 1.25
+ mov edi, esi
+ ;; size=6 bbWeight=1 PerfScore 1.50
G_M621_IG02:
- cmp esi, 60
+ cmp edi, 60
je SHORT G_M621_IG09
;; size=5 bbWeight=1 PerfScore 1.25
G_M621_IG03:
- cmp esi, 62
+ cmp edi, 62
je SHORT G_M621_IG08
- cmp esi, 38
+ cmp edi, 38
je SHORT G_M621_IG06
- cmp esi, 34
+ cmp edi, 34
je SHORT G_M621_IG04
- mov rax, 0xD1FFAB1E ; code for System.Text.Encodings.Web.DefaultHtmlEncoder+EscaperImplementation:<EncodeUtf16>g__TryEncodeScalarAsHex|3_0(System.Object,uint,System.Span`1[ushort]):int
- call [rax]System.Text.Encodings.Web.DefaultHtmlEncoder+EscaperImplementation:<EncodeUtf16>g__TryEncodeScalarAsHex|3_0(System.Object,uint,System.Span`1[ushort]):int
+ mov rsi, rdx
+ mov edx, ecx
+ mov rax, 0xD1FFAB1E ; code for System.Text.Encodings.Web.DefaultHtmlEncoder+EscaperImplementation:<EncodeUtf16>g__TryEncodeScalarAsHex|3_0(uint,System.Span`1[ushort]):int
+ call [rax]System.Text.Encodings.Web.DefaultHtmlEncoder+EscaperImplementation:<EncodeUtf16>g__TryEncodeScalarAsHex|3_0(uint,System.Span`1[ushort]):int
jmp SHORT G_M621_IG11
- ;; size=29 bbWeight=0.50 PerfScore 4.50
+ ;; size=34 bbWeight=0.50 PerfScore 4.75
G_M621_IG04:
cmp ecx, 6
jl SHORT G_M621_IG10
mov rax, 0xD1FFAB1E
mov qword ptr [rdx], rax
mov dword ptr [rdx+0x08], 0xD1FFAB1E
mov eax, 6
;; size=30 bbWeight=0.50 PerfScore 1.88
G_M621_IG05:
pop rbp
ret
;; size=2 bbWeight=0.50 PerfScore 0.75
G_M621_IG06:
cmp ecx, 5
jl SHORT G_M621_IG10
mov rax, 0xD1FFAB1E
mov qword ptr [rdx], rax
mov word ptr [rdx+0x08], 59
mov eax, 5
;; size=29 bbWeight=0.50 PerfScore 1.88
G_M621_IG07:
pop rbp
ret
;; size=2 bbWeight=0.50 PerfScore 0.75
G_M621_IG08:
cmp ecx, 4
jl SHORT G_M621_IG10
mov rcx, 0xD1FFAB1E
mov qword ptr [rdx], rcx
jmp SHORT G_M621_IG13
;; size=20 bbWeight=0.50 PerfScore 2.25
G_M621_IG09:
cmp ecx, 4
jge SHORT G_M621_IG12
;; size=5 bbWeight=0.50 PerfScore 0.62
G_M621_IG10:
mov eax, -1
;; size=5 bbWeight=0.50 PerfScore 0.12
G_M621_IG11:
pop rbp
ret
;; size=2 bbWeight=0.50 PerfScore 0.75
G_M621_IG12:
mov rax, 0xD1FFAB1E
mov qword ptr [rdx], rax
;; size=13 bbWeight=0.50 PerfScore 0.62
G_M621_IG13:
mov eax, 4
;; size=5 bbWeight=0.50 PerfScore 0.12
G_M621_IG14:
pop rbp
ret
;; size=2 bbWeight=0.50 PerfScore 0.75
-; Total bytes of code 153, prolog size 4, PerfScore 17.50, instruction count 44, allocated bytes for code 153 (MethodHash=87bffd92) for method System.Text.Encodings.Web.DefaultHtmlEncoder+EscaperImplementation:EncodeUtf16(System.Text.Rune,System.Span`1[ushort]):int:this (FullOpts)
+; Total bytes of code 160, prolog size 4, PerfScore 18.00, instruction count 47, allocated bytes for code 160 (MethodHash=87bffd92) for method System.Text.Encodings.Web.DefaultHtmlEncoder+EscaperImplementation:EncodeUtf16(System.Text.Rune,System.Span`1[ushort]):int:this (FullOpts)
; ============================================================7 (5.74 % of base) - System.Text.Encodings.Web.DefaultHtmlEncoder+EscaperImplementation:EncodeUtf8(System.Text.Rune,System.Span`1[ubyte]):int:this ; Assembly listing for method System.Text.Encodings.Web.DefaultHtmlEncoder+EscaperImplementation:EncodeUtf8(System.Text.Rune,System.Span`1[ubyte]):int:this (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; 5 single block inlinees; 12 inlinees without PGO data
; Final local variable assignments
;
-; V00 this [V00,T03] ( 3, 2.50) ref -> rdi this class-hnd single-def <System.Text.Encodings.Web.DefaultHtmlEncoder+EscaperImplementation>
+;* V00 this [V00 ] ( 0, 0 ) ref -> zero-ref this class-hnd single-def <System.Text.Encodings.Web.DefaultHtmlEncoder+EscaperImplementation>
;* V01 arg1 [V01 ] ( 0, 0 ) struct ( 8) zero-ref ld-addr-op single-def <System.Text.Rune>
;* V02 arg2 [V02 ] ( 0, 0 ) struct (16) zero-ref multireg-arg single-def <System.Span`1[ubyte]>
;* V03 loc0 [V03 ] ( 0, 0 ) struct (16) zero-ref ld-addr-op <System.ReadOnlySpan`1[ubyte]>
;# V04 OutArgs [V04 ] ( 1, 1 ) struct ( 0) [rsp+0x00] do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
;* V05 tmp1 [V05 ] ( 0, 0 ) struct (16) zero-ref ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[ubyte]>
;* V06 tmp2 [V06 ] ( 0, 0 ) struct (16) zero-ref ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[ubyte]>
;* V07 tmp3 [V07 ] ( 0, 0 ) struct (16) zero-ref ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[ubyte]>
;* V08 tmp4 [V08 ] ( 0, 0 ) struct (16) zero-ref ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[ubyte]>
-;* V09 tmp5 [V09,T05] ( 0, 0 ) ubyte -> zero-ref "Inline stloc first use temp"
+;* V09 tmp5 [V09,T04] ( 0, 0 ) ubyte -> zero-ref "Inline stloc first use temp"
;* V10 tmp6 [V10 ] ( 0, 0 ) struct (16) zero-ref ld-addr-op "Inlining Arg" <System.Span`1[ubyte]>
;* V11 tmp7 [V11 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
;* V12 tmp8 [V12 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
;* V13 tmp9 [V13 ] ( 0, 0 ) long -> zero-ref "Inlining Arg"
-;* V14 tmp10 [V14,T06] ( 0, 0 ) ubyte -> zero-ref "Inline stloc first use temp"
+;* V14 tmp10 [V14,T05] ( 0, 0 ) ubyte -> zero-ref "Inline stloc first use temp"
;* V15 tmp11 [V15 ] ( 0, 0 ) struct (16) zero-ref ld-addr-op "Inlining Arg" <System.Span`1[ubyte]>
;* V16 tmp12 [V16 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
;* V17 tmp13 [V17 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
;* V18 tmp14 [V18 ] ( 0, 0 ) long -> zero-ref "Inlining Arg"
-;* V19 tmp15 [V19,T07] ( 0, 0 ) ubyte -> zero-ref "Inline stloc first use temp"
+;* V19 tmp15 [V19,T06] ( 0, 0 ) ubyte -> zero-ref "Inline stloc first use temp"
;* V20 tmp16 [V20 ] ( 0, 0 ) struct (16) zero-ref ld-addr-op "Inlining Arg" <System.Span`1[ubyte]>
;* V21 tmp17 [V21 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
;* V22 tmp18 [V22 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
;* V23 tmp19 [V23 ] ( 0, 0 ) long -> zero-ref "Inlining Arg"
-;* V24 tmp20 [V24,T08] ( 0, 0 ) ubyte -> zero-ref "Inline stloc first use temp"
+;* V24 tmp20 [V24,T07] ( 0, 0 ) ubyte -> zero-ref "Inline stloc first use temp"
;* V25 tmp21 [V25 ] ( 0, 0 ) struct (16) zero-ref ld-addr-op "Inlining Arg" <System.Span`1[ubyte]>
;* V26 tmp22 [V26 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
;* V27 tmp23 [V27 ] ( 0, 0 ) byref -> zero-ref "Inlining Arg"
;* V28 tmp24 [V28 ] ( 0, 0 ) long -> zero-ref "Inlining Arg"
-; V29 tmp25 [V29,T04] ( 3, 3 ) int -> rax "Single return block return value"
-; V30 tmp26 [V30,T01] ( 6, 4 ) int -> rsi single-def "field V01._value (fldOffset=0x0)" P-INDEP
+; V29 tmp25 [V29,T03] ( 3, 3 ) int -> rax "Single return block return value"
+; V30 tmp26 [V30,T01] ( 6, 4 ) int -> rdi single-def "field V01._value (fldOffset=0x0)" P-INDEP
; V31 tmp27 [V31,T00] ( 8, 4.50) byref -> rdx single-def "field V02._reference (fldOffset=0x0)" P-INDEP
; V32 tmp28 [V32,T02] ( 6, 3.50) int -> rcx single-def "field V02._length (fldOffset=0x8)" P-INDEP
;* V33 tmp29 [V33 ] ( 0, 0 ) byref -> zero-ref "field V03._reference (fldOffset=0x0)" P-INDEP
;* V34 tmp30 [V34 ] ( 0, 0 ) int -> zero-ref "field V03._length (fldOffset=0x8)" P-INDEP
;* V35 tmp31 [V35 ] ( 0, 0 ) byref -> zero-ref single-def "field V05._reference (fldOffset=0x0)" P-INDEP
;* V36 tmp32 [V36 ] ( 0, 0 ) int -> zero-ref "field V05._length (fldOffset=0x8)" P-INDEP
;* V37 tmp33 [V37 ] ( 0, 0 ) byref -> zero-ref single-def "field V06._reference (fldOffset=0x0)" P-INDEP
;* V38 tmp34 [V38 ] ( 0, 0 ) int -> zero-ref "field V06._length (fldOffset=0x8)" P-INDEP
;* V39 tmp35 [V39 ] ( 0, 0 ) byref -> zero-ref single-def "field V07._reference (fldOffset=0x0)" P-INDEP
;* V40 tmp36 [V40 ] ( 0, 0 ) int -> zero-ref "field V07._length (fldOffset=0x8)" P-INDEP
;* V41 tmp37 [V41 ] ( 0, 0 ) byref -> zero-ref single-def "field V08._reference (fldOffset=0x0)" P-INDEP
;* V42 tmp38 [V42 ] ( 0, 0 ) int -> zero-ref "field V08._length (fldOffset=0x8)" P-INDEP
;* V43 tmp39 [V43 ] ( 0, 0 ) byref -> zero-ref single-def "field V10._reference (fldOffset=0x0)" P-INDEP
;* V44 tmp40 [V44 ] ( 0, 0 ) int -> zero-ref "field V10._length (fldOffset=0x8)" P-INDEP
;* V45 tmp41 [V45 ] ( 0, 0 ) byref -> zero-ref single-def "field V15._reference (fldOffset=0x0)" P-INDEP
;* V46 tmp42 [V46 ] ( 0, 0 ) int -> zero-ref "field V15._length (fldOffset=0x8)" P-INDEP
;* V47 tmp43 [V47 ] ( 0, 0 ) byref -> zero-ref single-def "field V20._reference (fldOffset=0x0)" P-INDEP
;* V48 tmp44 [V48 ] ( 0, 0 ) int -> zero-ref "field V20._length (fldOffset=0x8)" P-INDEP
;* V49 tmp45 [V49 ] ( 0, 0 ) byref -> zero-ref single-def "field V25._reference (fldOffset=0x0)" P-INDEP
;* V50 tmp46 [V50 ] ( 0, 0 ) int -> zero-ref "field V25._length (fldOffset=0x8)" P-INDEP
;
; Lcl frame size = 0
G_M18986_IG01:
push rbp
mov rbp, rsp
- ;; size=4 bbWeight=1 PerfScore 1.25
+ mov edi, esi
+ ;; size=6 bbWeight=1 PerfScore 1.50
G_M18986_IG02:
- cmp esi, 60
+ cmp edi, 60
je SHORT G_M18986_IG09
;; size=5 bbWeight=1 PerfScore 1.25
G_M18986_IG03:
- cmp esi, 62
+ cmp edi, 62
je SHORT G_M18986_IG08
- cmp esi, 38
+ cmp edi, 38
je SHORT G_M18986_IG06
- cmp esi, 34
+ cmp edi, 34
je SHORT G_M18986_IG04
- mov rax, 0xD1FFAB1E ; code for System.Text.Encodings.Web.DefaultHtmlEncoder+EscaperImplementation:<EncodeUtf8>g__TryEncodeScalarAsHex|2_0(System.Object,uint,System.Span`1[ubyte]):int
- call [rax]System.Text.Encodings.Web.DefaultHtmlEncoder+EscaperImplementation:<EncodeUtf8>g__TryEncodeScalarAsHex|2_0(System.Object,uint,System.Span`1[ubyte]):int
+ mov rsi, rdx
+ mov edx, ecx
+ mov rax, 0xD1FFAB1E ; code for System.Text.Encodings.Web.DefaultHtmlEncoder+EscaperImplementation:<EncodeUtf8>g__TryEncodeScalarAsHex|2_0(uint,System.Span`1[ubyte]):int
+ call [rax]System.Text.Encodings.Web.DefaultHtmlEncoder+EscaperImplementation:<EncodeUtf8>g__TryEncodeScalarAsHex|2_0(uint,System.Span`1[ubyte]):int
jmp SHORT G_M18986_IG11
- ;; size=29 bbWeight=0.50 PerfScore 4.50
+ ;; size=34 bbWeight=0.50 PerfScore 4.75
G_M18986_IG04:
cmp ecx, 6
jl SHORT G_M18986_IG10
mov dword ptr [rdx], 0xD1FFAB1E
mov word ptr [rdx+0x04], 0x3B74
mov eax, 6
;; size=22 bbWeight=0.50 PerfScore 1.75
G_M18986_IG05:
pop rbp
ret
;; size=2 bbWeight=0.50 PerfScore 0.75
G_M18986_IG06:
cmp ecx, 5
jl SHORT G_M18986_IG10
mov dword ptr [rdx], 0xD1FFAB1E
mov byte ptr [rdx+0x04], 59
mov eax, 5
;; size=20 bbWeight=0.50 PerfScore 1.75
G_M18986_IG07:
pop rbp
ret
;; size=2 bbWeight=0.50 PerfScore 0.75
G_M18986_IG08:
cmp ecx, 4
jl SHORT G_M18986_IG10
mov dword ptr [rdx], 0xD1FFAB1E
jmp SHORT G_M18986_IG13
;; size=13 bbWeight=0.50 PerfScore 2.12
G_M18986_IG09:
cmp ecx, 4
jge SHORT G_M18986_IG12
;; size=5 bbWeight=0.50 PerfScore 0.62
G_M18986_IG10:
mov eax, -1
;; size=5 bbWeight=0.50 PerfScore 0.12
G_M18986_IG11:
pop rbp
ret
;; size=2 bbWeight=0.50 PerfScore 0.75
G_M18986_IG12:
mov dword ptr [rdx], 0xD1FFAB1E
;; size=6 bbWeight=0.50 PerfScore 0.50
G_M18986_IG13:
mov eax, 4
;; size=5 bbWeight=0.50 PerfScore 0.12
G_M18986_IG14:
pop rbp
ret
;; size=2 bbWeight=0.50 PerfScore 0.75
-; Total bytes of code 122, prolog size 4, PerfScore 17.00, instruction count 40, allocated bytes for code 122 (MethodHash=3025b5d5) for method System.Text.Encodings.Web.DefaultHtmlEncoder+EscaperImplementation:EncodeUtf8(System.Text.Rune,System.Span`1[ubyte]):int:this (FullOpts)
+; Total bytes of code 129, prolog size 4, PerfScore 17.50, instruction count 43, allocated bytes for code 129 (MethodHash=3025b5d5) for method System.Text.Encodings.Web.DefaultHtmlEncoder+EscaperImplementation:EncodeUtf8(System.Text.Rune,System.Span`1[ubyte]):int:this (FullOpts)
; ============================================================7 (7.78 % of base) - System.Text.Encodings.Web.DefaultJavaScriptEncoder+EscaperImplementation:EncodeUtf16(System.Text.Rune,System.Span`1[ushort]):int:this ; Assembly listing for method System.Text.Encodings.Web.DefaultJavaScriptEncoder+EscaperImplementation:EncodeUtf16(System.Text.Rune,System.Span`1[ushort]):int:this (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; 3 single block inlinees; 1 inlinees without PGO data
; Final local variable assignments
;
-; V00 this [V00,T00] ( 5, 4.50) ref -> rdi this class-hnd single-def <System.Text.Encodings.Web.DefaultJavaScriptEncoder+EscaperImplementation>
+; V00 this [V00,T00] ( 4, 4 ) ref -> rdi this class-hnd single-def <System.Text.Encodings.Web.DefaultJavaScriptEncoder+EscaperImplementation>
;* V01 arg1 [V01 ] ( 0, 0 ) struct ( 8) zero-ref single-def <System.Text.Rune>
;* V02 arg2 [V02 ] ( 0, 0 ) struct (16) zero-ref multireg-arg ld-addr-op single-def <System.Span`1[ushort]>
; V03 loc0 [V03,T06] ( 2, 1 ) ubyte -> rbx ld-addr-op
;# V04 OutArgs [V04 ] ( 1, 1 ) struct ( 0) [rsp+0x00] do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
;* V05 tmp1 [V05 ] ( 0, 0 ) ubyte -> zero-ref "Inline return value spill temp"
;* V06 tmp2 [V06 ] ( 0, 0 ) struct ( 8) zero-ref ld-addr-op "Inlining Arg" <System.Text.Rune>
-; V07 tmp3 [V07,T04] ( 2, 3 ) byref -> rax single-def "Inlining Arg"
+; V07 tmp3 [V07,T04] ( 2, 3 ) byref -> rdi single-def "Inlining Arg"
;* V08 tmp4 [V08 ] ( 0, 0 ) byref -> zero-ref "impAppendStmt"
; V09 tmp5 [V09,T05] ( 3, 1.50) ubyte -> rbx "Inline stloc first use temp"
;* V10 tmp6 [V10 ] ( 0, 0 ) int -> zero-ref "Inlining Arg"
-; V11 tmp7 [V11,T01] ( 4, 3 ) int -> rsi single-def "field V01._value (fldOffset=0x0)" P-INDEP
+; V11 tmp7 [V11,T01] ( 4, 3 ) int -> rax single-def "field V01._value (fldOffset=0x0)" P-INDEP
; V12 tmp8 [V12,T02] ( 4, 2.50) byref -> rdx single-def "field V02._reference (fldOffset=0x0)" P-INDEP
; V13 tmp9 [V13,T03] ( 3, 2 ) int -> rcx single-def "field V02._length (fldOffset=0x8)" P-INDEP
;* V14 tmp10 [V14 ] ( 0, 0 ) int -> zero-ref "field V06._value (fldOffset=0x0)" P-INDEP
;
; Lcl frame size = 8
G_M19651_IG01:
push rbp
push rbx
push rax
lea rbp, [rsp+0x10]
- ;; size=8 bbWeight=1 PerfScore 3.50
+ mov eax, esi
+ ;; size=10 bbWeight=1 PerfScore 3.75
G_M19651_IG02:
cmp byte ptr [rdi], dil
- lea rax, bword ptr [rdi+0x08]
- cmp esi, 127
+ add rdi, 8
+ cmp eax, 127
ja SHORT G_M19651_IG04
- ;; size=12 bbWeight=1 PerfScore 4.75
+ ;; size=12 bbWeight=1 PerfScore 4.50
G_M19651_IG03:
- mov r8d, esi
- movzx rbx, byte ptr [rax+r8]
+ mov esi, eax
+ movzx rbx, byte ptr [rdi+rsi]
test ebx, ebx
jne SHORT G_M19651_IG06
- ;; size=12 bbWeight=0.50 PerfScore 1.75
+ ;; size=10 bbWeight=0.50 PerfScore 1.75
G_M19651_IG04:
- mov rax, 0xD1FFAB1E ; code for System.Text.Encodings.Web.DefaultJavaScriptEncoder+EscaperImplementation:<EncodeUtf16>g__TryEncodeScalarAsHex|5_0(System.Object,System.Text.Rune,System.Span`1[ushort]):int
- call [rax]System.Text.Encodings.Web.DefaultJavaScriptEncoder+EscaperImplementation:<EncodeUtf16>g__TryEncodeScalarAsHex|5_0(System.Object,System.Text.Rune,System.Span`1[ushort]):int
+ mov rsi, rdx
+ mov edx, ecx
+ mov edi, eax
+ mov rax, 0xD1FFAB1E ; code for System.Text.Encodings.Web.DefaultJavaScriptEncoder+EscaperImplementation:<EncodeUtf16>g__TryEncodeScalarAsHex|5_0(System.Text.Rune,System.Span`1[ushort]):int
+ call [rax]System.Text.Encodings.Web.DefaultJavaScriptEncoder+EscaperImplementation:<EncodeUtf16>g__TryEncodeScalarAsHex|5_0(System.Text.Rune,System.Span`1[ushort]):int
nop
- ;; size=13 bbWeight=0.50 PerfScore 1.75
+ ;; size=20 bbWeight=0.50 PerfScore 2.12
G_M19651_IG05:
add rsp, 8
pop rbx
pop rbp
ret
;; size=7 bbWeight=0.50 PerfScore 1.12
G_M19651_IG06:
cmp ecx, 1
jg SHORT G_M19651_IG08
mov eax, -1
;; size=10 bbWeight=0.50 PerfScore 0.75
G_M19651_IG07:
add rsp, 8
pop rbx
pop rbp
ret
;; size=7 bbWeight=0.50 PerfScore 1.12
G_M19651_IG08:
mov word ptr [rdx], 92
mov word ptr [rdx+0x02], bx
mov eax, 2
;; size=14 bbWeight=0.50 PerfScore 1.12
G_M19651_IG09:
add rsp, 8
pop rbx
pop rbp
ret
;; size=7 bbWeight=0.50 PerfScore 1.12
-; Total bytes of code 90, prolog size 8, PerfScore 17.00, instruction count 33, allocated bytes for code 90 (MethodHash=2131b33c) for method System.Text.Encodings.Web.DefaultJavaScriptEncoder+EscaperImplementation:EncodeUtf16(System.Text.Rune,System.Span`1[ushort]):int:this (FullOpts)
+; Total bytes of code 97, prolog size 8, PerfScore 17.38, instruction count 37, allocated bytes for code 97 (MethodHash=2131b33c) for method System.Text.Encodings.Web.DefaultJavaScriptEncoder+EscaperImplementation:EncodeUtf16(System.Text.Rune,System.Span`1[ushort]):int:this (FullOpts)
; ============================================================7 (8.05 % of base) - System.Text.Encodings.Web.DefaultJavaScriptEncoder+EscaperImplementation:EncodeUtf8(System.Text.Rune,System.Span`1[ubyte]):int:this ; Assembly listing for method System.Text.Encodings.Web.DefaultJavaScriptEncoder+EscaperImplementation:EncodeUtf8(System.Text.Rune,System.Span`1[ubyte]):int:this (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; 3 single block inlinees; 1 inlinees without PGO data
; Final local variable assignments
;
-; V00 this [V00,T00] ( 5, 4.50) ref -> rdi this class-hnd single-def <System.Text.Encodings.Web.DefaultJavaScriptEncoder+EscaperImplementation>
+; V00 this [V00,T00] ( 4, 4 ) ref -> rdi this class-hnd single-def <System.Text.Encodings.Web.DefaultJavaScriptEncoder+EscaperImplementation>
;* V01 arg1 [V01 ] ( 0, 0 ) struct ( 8) zero-ref single-def <System.Text.Rune>
;* V02 arg2 [V02 ] ( 0, 0 ) struct (16) zero-ref multireg-arg ld-addr-op single-def <System.Span`1[ubyte]>
; V03 loc0 [V03,T06] ( 2, 1 ) ubyte -> rbx ld-addr-op
;# V04 OutArgs [V04 ] ( 1, 1 ) struct ( 0) [rsp+0x00] do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
;* V05 tmp1 [V05 ] ( 0, 0 ) ubyte -> zero-ref "Inline return value spill temp"
;* V06 tmp2 [V06 ] ( 0, 0 ) struct ( 8) zero-ref ld-addr-op "Inlining Arg" <System.Text.Rune>
-; V07 tmp3 [V07,T04] ( 2, 3 ) byref -> rax single-def "Inlining Arg"
+; V07 tmp3 [V07,T04] ( 2, 3 ) byref -> rdi single-def "Inlining Arg"
;* V08 tmp4 [V08 ] ( 0, 0 ) byref -> zero-ref "impAppendStmt"
; V09 tmp5 [V09,T05] ( 3, 1.50) ubyte -> rbx "Inline stloc first use temp"
;* V10 tmp6 [V10 ] ( 0, 0 ) int -> zero-ref "Inlining Arg"
-; V11 tmp7 [V11,T01] ( 4, 3 ) int -> rsi single-def "field V01._value (fldOffset=0x0)" P-INDEP
+; V11 tmp7 [V11,T01] ( 4, 3 ) int -> rax single-def "field V01._value (fldOffset=0x0)" P-INDEP
; V12 tmp8 [V12,T02] ( 4, 2.50) byref -> rdx single-def "field V02._reference (fldOffset=0x0)" P-INDEP
; V13 tmp9 [V13,T03] ( 3, 2 ) int -> rcx single-def "field V02._length (fldOffset=0x8)" P-INDEP
;* V14 tmp10 [V14 ] ( 0, 0 ) int -> zero-ref "field V06._value (fldOffset=0x0)" P-INDEP
;
; Lcl frame size = 8
G_M55940_IG01:
push rbp
push rbx
push rax
lea rbp, [rsp+0x10]
- ;; size=8 bbWeight=1 PerfScore 3.50
+ mov eax, esi
+ ;; size=10 bbWeight=1 PerfScore 3.75
G_M55940_IG02:
cmp byte ptr [rdi], dil
- lea rax, bword ptr [rdi+0x08]
- cmp esi, 127
+ add rdi, 8
+ cmp eax, 127
ja SHORT G_M55940_IG04
- ;; size=12 bbWeight=1 PerfScore 4.75
+ ;; size=12 bbWeight=1 PerfScore 4.50
G_M55940_IG03:
- mov r8d, esi
- movzx rbx, byte ptr [rax+r8]
+ mov esi, eax
+ movzx rbx, byte ptr [rdi+rsi]
test ebx, ebx
jne SHORT G_M55940_IG06
- ;; size=12 bbWeight=0.50 PerfScore 1.75
+ ;; size=10 bbWeight=0.50 PerfScore 1.75
G_M55940_IG04:
- mov rax, 0xD1FFAB1E ; code for System.Text.Encodings.Web.DefaultJavaScriptEncoder+EscaperImplementation:<EncodeUtf8>g__TryEncodeScalarAsHex|4_0(System.Object,System.Text.Rune,System.Span`1[ubyte]):int
- call [rax]System.Text.Encodings.Web.DefaultJavaScriptEncoder+EscaperImplementation:<EncodeUtf8>g__TryEncodeScalarAsHex|4_0(System.Object,System.Text.Rune,System.Span`1[ubyte]):int
+ mov rsi, rdx
+ mov edx, ecx
+ mov edi, eax
+ mov rax, 0xD1FFAB1E ; code for System.Text.Encodings.Web.DefaultJavaScriptEncoder+EscaperImplementation:<EncodeUtf8>g__TryEncodeScalarAsHex|4_0(System.Text.Rune,System.Span`1[ubyte]):int
+ call [rax]System.Text.Encodings.Web.DefaultJavaScriptEncoder+EscaperImplementation:<EncodeUtf8>g__TryEncodeScalarAsHex|4_0(System.Text.Rune,System.Span`1[ubyte]):int
nop
- ;; size=13 bbWeight=0.50 PerfScore 1.75
+ ;; size=20 bbWeight=0.50 PerfScore 2.12
G_M55940_IG05:
add rsp, 8
pop rbx
pop rbp
ret
;; size=7 bbWeight=0.50 PerfScore 1.12
G_M55940_IG06:
cmp ecx, 1
jg SHORT G_M55940_IG08
mov eax, -1
;; size=10 bbWeight=0.50 PerfScore 0.75
G_M55940_IG07:
add rsp, 8
pop rbx
pop rbp
ret
;; size=7 bbWeight=0.50 PerfScore 1.12
G_M55940_IG08:
mov byte ptr [rdx], 92
mov byte ptr [rdx+0x01], bl
mov eax, 2
;; size=11 bbWeight=0.50 PerfScore 1.12
G_M55940_IG09:
add rsp, 8
pop rbx
pop rbp
ret
;; size=7 bbWeight=0.50 PerfScore 1.12
-; Total bytes of code 87, prolog size 8, PerfScore 17.00, instruction count 33, allocated bytes for code 87 (MethodHash=fb37257b) for method System.Text.Encodings.Web.DefaultJavaScriptEncoder+EscaperImplementation:EncodeUtf8(System.Text.Rune,System.Span`1[ubyte]):int:this (FullOpts)
+; Total bytes of code 94, prolog size 8, PerfScore 17.38, instruction count 37, allocated bytes for code 94 (MethodHash=fb37257b) for method System.Text.Encodings.Web.DefaultJavaScriptEncoder+EscaperImplementation:EncodeUtf8(System.Text.Rune,System.Span`1[ubyte]):int:this (FullOpts)
; ============================================================ |
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Job completed in 13 minutes 53 seconds.
https://github.com/xtqqczze/dotnet-runtime/tree/remove-this-trick
Diffs
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