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; Assembly listing for method C:M2():System.String:this

; Emitting BLENDED_CODE for X64 CPU with AVX - Windows

; optimized code

; rsp based frame

; partially interruptible

; No PGO data

; 1 inlinees with PGO data; 5 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 loc0 [V01 ] ( 3, 3 ) struct (48) [rsp+50H] do-not-enreg[XS] must-init addr-exposed ld-addr-op

; V01 loc0 [V01 ] ( 3, 3 ) struct (48) [rsp+58H] do-not-enreg[XS] must-init addr-exposed ld-addr-op

; V02 OutArgs [V02 ] ( 1, 1 ) lclBlk (32) [rsp+00H] "OutgoingArgSpace"

; V03 tmp1 [V03 ] ( 4, 8 ) struct (48) [rsp+20H] do-not-enreg[XSF] must-init addr-exposed "NewObj constructor temp"

; V03 tmp1 [V03,T00] ( 3, 6 ) struct (48) [rsp+28H] do-not-enreg[SF] must-init ld-addr-op "NewObj constructor temp"

;* V04 tmp2 [V04 ] ( 0, 0 ) ref -> zero-ref class-hnd "Inlining Arg"

;* V04 tmp2 [V04,T04] ( 0, 0 ) ref -> zero-ref class-hnd single-def "Inlining Arg"

;* V05 tmp3 [V05 ] ( 0, 0 ) struct (16) zero-ref "NewObj constructor temp"

;* V05 tmp3 [V05 ] ( 0, 0 ) struct (16) zero-ref ld-addr-op "NewObj constructor temp"

; V06 tmp4 [V06,T00] ( 4, 6 ) ref -> rcx class-hnd single-def "Inlining Arg"

; V06 tmp4 [V06,T01] ( 2, 4 ) ref -> rax class-hnd single-def "impAppendStmt"

;* V07 tmp5 [V07 ] ( 0, 0 ) struct ( 8) zero-ref "NewObj constructor temp"

; V07 tmp5 [V07,T02] ( 2, 2 ) byref -> rcx V05._reference(offs=0x00) P-INDEP "field V05._reference (fldOffset=0x0)"

; V08 tmp6 [V08,T02] ( 2, 4 ) ref -> rax class-hnd single-def "impSpillLclRefs"

; V08 tmp6 [V08,T03] ( 2, 2 ) int -> rax V05._length(offs=0x08) P-INDEP "field V05._length (fldOffset=0x8)"

; V09 tmp7 [V09,T03] ( 3, 1.50) byref -> rax V05._pointer(offs=0x00) P-INDEP "field V05._pointer (fldOffset=0x0)"

; V10 tmp8 [V10,T04] ( 3, 1.50) int -> rsi V05._length(offs=0x08) P-INDEP "field V05._length (fldOffset=0x8)"

; V11 tmp9 [V11,T05] ( 2, 1 ) byref -> rax single-def V07._value(offs=0x00) P-INDEP "field V07._value (fldOffset=0x0)"

; V12 tmp10 [V12,T01] ( 3, 6 ) byref -> rcx stack-byref single-def "BlockOp address local"

;

; Lcl frame size = 128

; Lcl frame size = 136

G_M38085_IG01:

push rsi

sub rsp, 136

sub rsp, 128

vzeroupper

xor eax, eax

mov qword ptr [rsp+28H], rax

vxorps xmm4, xmm4

mov rax, -96

vmovdqa xmmword ptr [rsp+30H], xmm4

vmovdqa xmmword ptr [rsp+rax+80H], xmm4

vmovdqa xmmword ptr [rsp+40H], xmm4

vmovdqa xmmword ptr [rsp+rax+90H], xmm4

vmovdqa xmmword ptr [rsp+50H], xmm4

vmovdqa xmmword ptr [rsp+rax+A0H], xmm4

vmovdqa xmmword ptr [rsp+60H], xmm4

add rax, 48

vmovdqa xmmword ptr [rsp+70H], xmm4

jne SHORT -5 instr

mov qword ptr [rsp+80H], rax

;; bbWeight=0 PerfScore 0.00

;; size=59 bbWeight=1 PerfScore 13.83

G_M38085_IG02:

mov rcx, gword ptr [rsp+30H]

xor rcx, rcx

test rcx, rcx

xor eax, eax

je SHORT G_M38085_IG08

mov bword ptr [rsp+48H], rcx

;; bbWeight=1 PerfScore 2.25

mov dword ptr [rsp+50H], eax

;; size=13 bbWeight=1 PerfScore 2.50

G_M38085_IG03:

lea rax, bword ptr [rcx+16]

vmovdqu ymm0, ymmword ptr[rsp+28H]

mov esi, dword ptr [rcx+8]

vmovdqu ymmword ptr[rsp+58H], ymm0

;; bbWeight=0.50 PerfScore 1.25

vmovdqu xmm0, xmmword ptr [rsp+48H]

vmovdqu xmmword ptr [rsp+78H], xmm0

;; size=24 bbWeight=1 PerfScore 9.00

G_M38085_IG04:

lea rcx, bword ptr [rsp+40H]

lea rcx, [rsp+78H]

mov bword ptr [rcx], rax

call [System.Span`1[ushort]:ToString():System.String:this]

mov dword ptr [rcx+8], esi

xor ecx, ecx

mov dword ptr [rsp+38H], ecx

;; bbWeight=1 PerfScore 3.75

G_M38085_IG05:

vmovdqu ymm0, ymmword ptr[rsp+20H]

vmovdqu ymmword ptr[rsp+50H], ymm0

vmovdqu xmm0, xmmword ptr [rsp+40H]

vmovdqu xmmword ptr [rsp+70H], xmm0

;; bbWeight=1 PerfScore 9.00

G_M38085_IG06:

lea rcx, bword ptr [rsp+70H]

call System.Span`1[Char][System.Char]:ToString():System.String:this

vxorps ymm0, ymm0

vmovdqu ymmword ptr[rsp+50H], ymm0

vmovdqu ymmword ptr[rsp+58H], ymm0

vmovdqu xmmword ptr [rsp+70H], xmm0

vmovdqu xmmword ptr [rsp+78H], xmm0

;; bbWeight=1 PerfScore 3.83

;; size=27 bbWeight=1 PerfScore 5.83

G_M38085_IG07:

G_M38085_IG05:

add rsp, 128

add rsp, 136

pop rsi

ret

;; bbWeight=1 PerfScore 1.75

;; size=8 bbWeight=1 PerfScore 1.25

G_M38085_IG08:

xor rax, rax

xor esi, esi

jmp SHORT G_M38085_IG04

;; bbWeight=0 PerfScore 0.00

; Total bytes of code 157, prolog size 58, PerfScore 38.63, instruction count 35, allocated bytes for code 168 (MethodHash=fe286b3a) for method C:M2():System.String:this

; Total bytes of code 131, prolog size 59, PerfScore 46.82, instruction count 26, allocated bytes for code 144 (MethodHash=fe286b3a) for method C:M2():System.String:this

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

Saved diffs

Original text

Open file

; Assembly listing for method C:M2():System.String:this
; Emitting BLENDED_CODE for X64 CPU with AVX - Windows
; optimized code
; rsp based frame
; partially interruptible
; No PGO data
; 1 inlinees with PGO data; 5 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 loc0         [V01    ] (  3,  3   )  struct (48) [rsp+50H]   do-not-enreg[XS] must-init addr-exposed ld-addr-op
;  V02 OutArgs      [V02    ] (  1,  1   )  lclBlk (32) [rsp+00H]   "OutgoingArgSpace"
;  V03 tmp1         [V03    ] (  4,  8   )  struct (48) [rsp+20H]   do-not-enreg[XSF] must-init addr-exposed "NewObj constructor temp"
;* V04 tmp2         [V04    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "Inlining Arg"
;* V05 tmp3         [V05    ] (  0,  0   )  struct (16) zero-ref    "NewObj constructor temp"
;  V06 tmp4         [V06,T00] (  4,  6   )     ref  ->  rcx         class-hnd single-def "Inlining Arg"
;* V07 tmp5         [V07    ] (  0,  0   )  struct ( 8) zero-ref    "NewObj constructor temp"
;  V08 tmp6         [V08,T02] (  2,  4   )     ref  ->  rax         class-hnd single-def "impSpillLclRefs"
;  V09 tmp7         [V09,T03] (  3,  1.50)   byref  ->  rax         V05._pointer(offs=0x00) P-INDEP "field V05._pointer (fldOffset=0x0)"
;  V10 tmp8         [V10,T04] (  3,  1.50)     int  ->  rsi         V05._length(offs=0x08) P-INDEP "field V05._length (fldOffset=0x8)"
;  V11 tmp9         [V11,T05] (  2,  1   )   byref  ->  rax         single-def V07._value(offs=0x00) P-INDEP "field V07._value (fldOffset=0x0)"
;  V12 tmp10        [V12,T01] (  3,  6   )   byref  ->  rcx         stack-byref single-def "BlockOp address local"
;
; Lcl frame size = 128

G_M38085_IG01:
       push     rsi
       sub      rsp, 128
       vzeroupper
       vxorps   xmm4, xmm4
       mov      rax, -96
       vmovdqa  xmmword ptr [rsp+rax+80H], xmm4
       vmovdqa  xmmword ptr [rsp+rax+90H], xmm4
       vmovdqa  xmmword ptr [rsp+rax+A0H], xmm4
       add      rax, 48
       jne      SHORT  -5 instr
                                                ;; bbWeight=0    PerfScore 0.00
G_M38085_IG02:
       mov      rcx, gword ptr [rsp+30H]
       test     rcx, rcx
       je       SHORT G_M38085_IG08
                                                ;; bbWeight=1    PerfScore 2.25
G_M38085_IG03:
       lea      rax, bword ptr [rcx+16]
       mov      esi, dword ptr [rcx+8]
                                                ;; bbWeight=0.50 PerfScore 1.25
G_M38085_IG04:
       lea      rcx, bword ptr [rsp+40H]
       mov      bword ptr [rcx], rax
       mov      dword ptr [rcx+8], esi
       xor      ecx, ecx
       mov      dword ptr [rsp+38H], ecx
                                                ;; bbWeight=1    PerfScore 3.75
G_M38085_IG05:
       vmovdqu  ymm0, ymmword ptr[rsp+20H]
       vmovdqu  ymmword ptr[rsp+50H], ymm0
       vmovdqu  xmm0, xmmword ptr [rsp+40H]
       vmovdqu  xmmword ptr [rsp+70H], xmm0
                                                ;; bbWeight=1    PerfScore 9.00
G_M38085_IG06:
       lea      rcx, bword ptr [rsp+70H]
       call     System.Span`1[Char][System.Char]:ToString():System.String:this
       vxorps   ymm0, ymm0
       vmovdqu  ymmword ptr[rsp+50H], ymm0
       vmovdqu  xmmword ptr [rsp+70H], xmm0
                                                ;; bbWeight=1    PerfScore 3.83
G_M38085_IG07:
       add      rsp, 128
       pop      rsi
       ret
                                                ;; bbWeight=1    PerfScore 1.75
G_M38085_IG08:
       xor      rax, rax
       xor      esi, esi
       jmp      SHORT G_M38085_IG04
                                                ;; bbWeight=0    PerfScore 0.00

; Total bytes of code 157, prolog size 58, PerfScore 38.63, instruction count 35, allocated bytes for code 168 (MethodHash=fe286b3a) for method C:M2():System.String:this
; ============================================================

Changed text

Open file

; Assembly listing for method C:M2():System.String:this
; Emitting BLENDED_CODE for X64 CPU with AVX - Windows
; optimized code
; rsp based frame
; partially interruptible
; No PGO data
; 1 inlinees with PGO data; 5 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 loc0         [V01    ] (  3,  3   )  struct (48) [rsp+58H]   do-not-enreg[XS] must-init addr-exposed ld-addr-op
;  V02 OutArgs      [V02    ] (  1,  1   )  lclBlk (32) [rsp+00H]   "OutgoingArgSpace"
;  V03 tmp1         [V03,T00] (  3,  6   )  struct (48) [rsp+28H]   do-not-enreg[SF] must-init ld-addr-op "NewObj constructor temp"
;* V04 tmp2         [V04,T04] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def "Inlining Arg"
;* V05 tmp3         [V05    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "NewObj constructor temp"
;  V06 tmp4         [V06,T01] (  2,  4   )     ref  ->  rax         class-hnd single-def "impAppendStmt"
;  V07 tmp5         [V07,T02] (  2,  2   )   byref  ->  rcx         V05._reference(offs=0x00) P-INDEP "field V05._reference (fldOffset=0x0)"
;  V08 tmp6         [V08,T03] (  2,  2   )     int  ->  rax         V05._length(offs=0x08) P-INDEP "field V05._length (fldOffset=0x8)"
;
; Lcl frame size = 136

G_M38085_IG01:
       sub      rsp, 136
       vzeroupper
       xor      eax, eax
       mov      qword ptr [rsp+28H], rax
       vxorps   xmm4, xmm4
       vmovdqa  xmmword ptr [rsp+30H], xmm4
       vmovdqa  xmmword ptr [rsp+40H], xmm4
       vmovdqa  xmmword ptr [rsp+50H], xmm4
       vmovdqa  xmmword ptr [rsp+60H], xmm4
       vmovdqa  xmmword ptr [rsp+70H], xmm4
       mov      qword ptr [rsp+80H], rax
                                                ;; size=59 bbWeight=1    PerfScore 13.83
G_M38085_IG02:
       xor      rcx, rcx
       xor      eax, eax
       mov      bword ptr [rsp+48H], rcx
       mov      dword ptr [rsp+50H], eax
                                                ;; size=13 bbWeight=1    PerfScore 2.50
G_M38085_IG03:
       vmovdqu  ymm0, ymmword ptr[rsp+28H]
       vmovdqu  ymmword ptr[rsp+58H], ymm0
       vmovdqu  xmm0, xmmword ptr [rsp+48H]
       vmovdqu  xmmword ptr [rsp+78H], xmm0
                                                ;; size=24 bbWeight=1    PerfScore 9.00
G_M38085_IG04:
       lea      rcx, [rsp+78H]
       call     [System.Span`1[ushort]:ToString():System.String:this]
       vxorps   ymm0, ymm0
       vmovdqu  ymmword ptr[rsp+58H], ymm0
       vmovdqu  xmmword ptr [rsp+78H], xmm0
                                                ;; size=27 bbWeight=1    PerfScore 5.83
G_M38085_IG05:
       add      rsp, 136
       ret
                                                ;; size=8 bbWeight=1    PerfScore 1.25

; Total bytes of code 131, prolog size 59, PerfScore 46.82, instruction count 26, allocated bytes for code 144 (MethodHash=fe286b3a) for method C:M2():System.String:this
; ============================================================