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; Assembly listing for method System.MemoryExtensions:Trim[int](System.ReadOnlyMemory`1[int],int):System.ReadOnlyMemory`1[int] (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; 2 inlinees without PGO data

; 0 inlinees with PGO data; 8 single block inlinees; 3 inlinees without PGO data

; Final local variable assignments

;

; V00 arg0 [V00,T04] ( 3, 3 ) struct (16) [rbp-0x38] do-not-enreg[SFA] multireg-arg ld-addr-op single-def <System.ReadOnlyMemory`1[int]>

; V01 arg1 [V01,T01] ( 4, 4 ) int -> r15 single-def

; V02 loc0 [V02,T05] ( 4, 4 ) int -> [rbp-0x3C] spill-single-def

; V03 loc1 [V03,T09] ( 3, 3 ) int -> rax

;# V04 OutArgs [V04 ] ( 1, 1 ) struct ( 0) [rsp+0x00] do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>

;* V05 tmp1 [V05 ] ( 0, 0 ) struct (16) zero-ref "dup spill" <System.ReadOnlySpan`1[int]>

;* V06 tmp2 [V06 ] ( 0, 0 ) struct (16) zero-ref do-not-enreg[SRM] multireg-ret multireg-dest "Return value temp for multireg return" <System.ReadOnlyMemory`1[int]>

;* V07 tmp3 [V07 ] ( 0, 0 ) struct (16) zero-ref "Inline return value spill temp" <System.ReadOnlySpan`1[int]>

; V08 tmp4 [V08,T02] ( 7, 5 ) byref -> r13 "Inline stloc first use temp"

; V09 tmp5 [V09,T03] ( 7, 5 ) int -> r12 "Inline stloc first use temp"

;* V10 tmp6 [V10 ] ( 0, 0 ) ref -> zero-ref class-hnd single-def "Inline stloc first use temp" <System.Object>

;* V11 tmp7 [V11 ] ( 0, 0 ) struct (16) zero-ref multireg-arg ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[int]>

;* V12 tmp8 [V12 ] ( 0, 0 ) ref -> zero-ref class-hnd "updating class info" <System.Buffers.MemoryManager`1[int]>

;* V13 tmp9 [V13 ] ( 0, 0 ) struct (16) zero-ref do-not-enreg[SBRM] multireg-ret multireg-dest "Return value temp for multireg return" <System.Span`1[int]>

;* V14 tmp10 [V14 ] ( 0, 0 ) struct (16) zero-ref multireg-ret multireg-dest ld-addr-op "Inline stloc first use temp" <System.Span`1[int]>

; V15 tmp11 [V15,T11] ( 3, 1.50) long -> rdi "Inline stloc first use temp"

; V15 tmp11 [V15,T14] ( 2, 1 ) int -> rdi "Inline stloc first use temp"

;* V16 tmp12 [V16 ] ( 0, 0 ) int -> zero-ref "Inline stloc first use temp"

;* V17 tmp13 [V17 ] ( 0, 0 ) ref -> zero-ref class-hnd single-def "updating class info" <int[]>

;* V18 tmp14 [V18 ] ( 0, 0 ) ref -> zero-ref class-hnd "updating class info" <int[]>

; V19 tmp15 [V19,T10] ( 2, 2 ) byref -> rdi single-def "Inlining Arg"

;* V20 tmp16 [V20 ] ( 0, 0 ) struct (16) zero-ref ld-addr-op "Inlining Arg" <System.Span`1[int]>

;* V21 tmp17 [V21 ] ( 0, 0 ) struct (16) zero-ref multireg-ret ld-addr-op "NewObj constructor temp" <System.ReadOnlyMemory`1[int]>

;* V22 tmp18 [V22 ] ( 0, 0 ) ref -> zero-ref class-hnd single-def "Inlining Arg" <System.Object>

;* V22 tmp18 [V22 ] ( 0, 0 ) int -> zero-ref "Inlining Arg"

; V23 tmp19 [V23,T06] ( 2, 4 ) int -> r15 "Inlining Arg"

;* V23 tmp19 [V23 ] ( 0, 0 ) ref -> zero-ref class-hnd single-def "Inlining Arg" <System.Object>

;* V24 tmp20 [V24 ] ( 0, 0 ) byref -> zero-ref single-def "field V05._reference (fldOffset=0x0)" P-INDEP

; V24 tmp20 [V24,T06] ( 2, 4 ) int -> r15 "Inlining Arg"

;* V25 tmp21 [V25 ] ( 0, 0 ) int -> zero-ref "field V05._length (fldOffset=0x8)" P-INDEP

;* V25 tmp21 [V25 ] ( 0, 0 ) byref -> zero-ref single-def "field V05._reference (fldOffset=0x0)" P-INDEP

;* V26 tmp22 [V26 ] ( 0, 0 ) byref -> zero-ref "field V07._reference (fldOffset=0x0)" P-INDEP

;* V26 tmp22 [V26 ] ( 0, 0 ) int -> zero-ref "field V05._length (fldOffset=0x8)" P-INDEP

;* V27 tmp23 [V27 ] ( 0, 0 ) int -> zero-ref "field V07._length (fldOffset=0x8)" P-INDEP

;* V27 tmp23 [V27 ] ( 0, 0 ) byref -> zero-ref "field V07._reference (fldOffset=0x0)" P-INDEP

;* V28 tmp24 [V28 ] ( 0, 0 ) byref -> zero-ref single-def "field V11._reference (fldOffset=0x0)" P-INDEP

;* V28 tmp24 [V28 ] ( 0, 0 ) int -> zero-ref "field V07._length (fldOffset=0x8)" P-INDEP

;* V29 tmp25 [V29 ] ( 0, 0 ) int -> zero-ref "field V11._length (fldOffset=0x8)" P-INDEP

;* V29 tmp25 [V29 ] ( 0, 0 ) byref -> zero-ref single-def "field V11._reference (fldOffset=0x0)" P-INDEP

;* V30 tmp26 [V30 ] ( 0, 0 ) byref -> zero-ref "field V13._reference (fldOffset=0x0)" P-DEP

;* V30 tmp26 [V30 ] ( 0, 0 ) int -> zero-ref "field V11._length (fldOffset=0x8)" P-INDEP

;* V31 tmp27 [V31 ] ( 0, 0 ) int -> zero-ref "field V13._length (fldOffset=0x8)" P-DEP

;* V31 tmp27 [V31 ] ( 0, 0 ) byref -> zero-ref "field V13._reference (fldOffset=0x0)" P-DEP

; V32 tmp28 [V32,T13] ( 2, 1 ) byref -> r13 "field V14._reference (fldOffset=0x0)" P-INDEP

;* V32 tmp28 [V32 ] ( 0, 0 ) int -> zero-ref "field V13._length (fldOffset=0x8)" P-DEP

; V33 tmp29 [V33,T14] ( 2, 1 ) int -> r12 "field V14._length (fldOffset=0x8)" P-INDEP

; V33 tmp29 [V33,T13] ( 2, 1 ) byref -> r13 "field V14._reference (fldOffset=0x0)" P-INDEP

;* V34 tmp30 [V34 ] ( 0, 0 ) byref -> zero-ref single-def "field V20._reference (fldOffset=0x0)" P-INDEP

; V34 tmp30 [V34,T15] ( 2, 1 ) int -> r12 "field V14._length (fldOffset=0x8)" P-INDEP

;* V35 tmp31 [V35 ] ( 0, 0 ) int -> zero-ref "field V20._length (fldOffset=0x8)" P-INDEP

;* V35 tmp31 [V35 ] ( 0, 0 ) byref -> zero-ref single-def "field V20._reference (fldOffset=0x0)" P-INDEP

;* V36 tmp32 [V36 ] ( 0, 0 ) ref -> zero-ref single-def "field V21._object (fldOffset=0x0)" P-INDEP

;* V36 tmp32 [V36 ] ( 0, 0 ) int -> zero-ref "field V20._length (fldOffset=0x8)" P-INDEP

;* V37 tmp33 [V37 ] ( 0, 0 ) int -> zero-ref "field V21._index (fldOffset=0x8)" P-INDEP

;* V37 tmp33 [V37 ] ( 0, 0 ) ref -> zero-ref single-def "field V21._object (fldOffset=0x0)" P-INDEP

;* V38 tmp34 [V38 ] ( 0, 0 ) int -> zero-ref "field V21._length (fldOffset=0xc)" P-INDEP

;* V38 tmp34 [V38 ] ( 0, 0 ) int -> zero-ref "field V21._index (fldOffset=0x8)" P-INDEP

; V39 tmp35 [V39,T00] ( 8, 6 ) ref -> rbx single-def "V00.[000..008) V00.rdi"

;* V39 tmp35 [V39 ] ( 0, 0 ) int -> zero-ref "field V21._length (fldOffset=0xc)" P-INDEP

; V40 tmp36 [V40,T07] ( 4, 3.50) int -> r14 "V00.[008..012) V00.rsi"

; V40 tmp36 [V40,T00] ( 8, 6 ) ref -> rbx single-def "V00.[000..008) V00.rdi"

; V41 tmp37 [V41,T08] ( 4, 3 ) int -> [rbp-0x40] spill-single-def "V00.[012..016)"

; V41 tmp37 [V41,T07] ( 4, 3.50) int -> r14 "V00.[008..012) V00.rsi"

; V42 cse0 [V42,T12] ( 3, 1.50) long -> rcx "CSE #01: moderate"

; V42 tmp38 [V42,T08] ( 4, 3 ) int -> [rbp-0x40] spill-single-def "V00.[012..016)"

; V43 cse0 [V43,T11] ( 3, 1.50) long -> rdi "CSE #02: moderate"

; V44 cse1 [V44,T12] ( 3, 1.50) long -> rcx "CSE #01: moderate"

;

; Lcl frame size = 24

G_M47667_IG01:

push rbp

push r15

push r14

push r13

push r12

push rbx

sub rsp, 24

lea rbp, [rsp+0x40]

mov gword ptr [rbp-0x38], rdi

mov qword ptr [rbp-0x30], rsi

mov rbx, rdi

mov r14d, esi

mov r15d, edx

;; size=36 bbWeight=1 PerfScore 9.50

G_M47667_IG02:

xor r13, r13

xor r12d, r12d

mov eax, dword ptr [rbp-0x2C]

mov dword ptr [rbp-0x40], eax

test rbx, rbx

je SHORT G_M47667_IG06

;; size=17 bbWeight=1 PerfScore 3.75

G_M47667_IG03:

mov rcx, qword ptr [rbx]

mov rdi, rcx

test dword ptr [rdi], 0xD1FFAB1E

jne SHORT G_M47667_IG04

mov rdi, rbx

mov rcx, qword ptr [rcx+0x40]

call [rcx+0x28]System.Buffers.MemoryManager`1[int]:GetSpan():System.Span`1[int]:this

mov r13, rax

mov r12d, edx

jmp SHORT G_M47667_IG05

;; size=32 bbWeight=0.50 PerfScore 7.00

G_M47667_IG04:

lea r13, bword ptr [rbx+0x10]

mov r12d, dword ptr [rbx+0x08]

;; size=8 bbWeight=0.50 PerfScore 1.25

G_M47667_IG05:

mov edi, r14d

and edi, 0xD1FFAB1E

mov eax, dword ptr [rbp-0x40]

mov esi, eax

add rsi, rdi

mov edx, r12d

cmp rsi, rdx

ja G_M47667_IG09

ja SHORT G_M47667_IG08

lea r13, bword ptr [r13+4*rdi]

mov r12d, eax

;; size=37 bbWeight=0.50 PerfScore 2.88

;; size=33 bbWeight=0.50 PerfScore 2.88

G_M47667_IG06:

mov rdi, r13

mov esi, r12d

mov edx, r15d

mov rcx, 0xD1FFAB1E ; code for System.MemoryExtensions:ClampStart[int](System.ReadOnlySpan`1[int],int):int

call [rcx]System.MemoryExtensions:ClampStart[int](System.ReadOnlySpan`1[int],int):int

mov dword ptr [rbp-0x3C], eax

mov rdi, r13

mov esi, r12d

mov edx, eax

mov ecx, r15d

mov r8, 0xD1FFAB1E ; code for System.MemoryExtensions:ClampEnd[int](System.ReadOnlySpan`1[int],int,int):int

call [r8]System.MemoryExtensions:ClampEnd[int](System.ReadOnlySpan`1[int],int,int):int

mov r15d, dword ptr [rbp-0x3C]

mov edx, r15d

mov edi, eax

mov ecx, eax

add rdx, rdi

add rdx, rcx

mov edi, dword ptr [rbp-0x40]

mov ecx, dword ptr [rbp-0x40]

cmp rdx, rdi

cmp rdx, rcx

ja SHORT G_M47667_IG08

add r15d, r14d

mov edx, eax

shl rdx, 32

mov edi, r15d

mov ecx, r15d

or rdx, rdi

or rdx, rcx

mov rax, rbx

;; size=86 bbWeight=1 PerfScore 15.00

G_M47667_IG07:

add rsp, 24

pop rbx

pop r12

pop r13

pop r14

pop r15

pop rbp

ret

;; size=15 bbWeight=1 PerfScore 4.25

G_M47667_IG08:

mov edi, 33

mov rax, 0xD1FFAB1E ; code for System.ThrowHelper:ThrowArgumentOutOfRangeException(int)

call [rax]System.ThrowHelper:ThrowArgumentOutOfRangeException(int)

int3

;; size=18 bbWeight=0.50 PerfScore 1.88

G_M47667_IG09:

mov rax, 0xD1FFAB1E ; code for System.ThrowHelper:ThrowArgumentOutOfRangeException()

call [rax]System.ThrowHelper:ThrowArgumentOutOfRangeException()

int3

;; size=13 bbWeight=0.50 PerfScore 1.75

; Total bytes of code 262, prolog size 19, PerfScore 47.25, instruction count 81, allocated bytes for code 262 (MethodHash=873845cc) for method System.MemoryExtensions:Trim[int](System.ReadOnlyMemory`1[int],int):System.ReadOnlyMemory`1[int] (FullOpts)

; Total bytes of code 240, prolog size 19, PerfScore 45.38, instruction count 77, allocated bytes for code 240 (MethodHash=873845cc) for method System.MemoryExtensions:Trim[int](System.ReadOnlyMemory`1[int],int):System.ReadOnlyMemory`1[int] (FullOpts)

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

Saved diffs

Original text

Open file

; Assembly listing for method System.MemoryExtensions:Trim[int](System.ReadOnlyMemory`1[int],int):System.ReadOnlyMemory`1[int] (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; 2 inlinees without PGO data
; Final local variable assignments
;
;  V00 arg0         [V00,T04] (  3,  3   )  struct (16) [rbp-0x38]  do-not-enreg[SFA] multireg-arg ld-addr-op single-def <System.ReadOnlyMemory`1[int]>
;  V01 arg1         [V01,T01] (  4,  4   )     int  ->  r15         single-def
;  V02 loc0         [V02,T05] (  4,  4   )     int  ->  [rbp-0x3C]  spill-single-def
;  V03 loc1         [V03,T09] (  3,  3   )     int  ->  rax        
;# V04 OutArgs      [V04    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
;* V05 tmp1         [V05    ] (  0,  0   )  struct (16) zero-ref    "dup spill" <System.ReadOnlySpan`1[int]>
;* V06 tmp2         [V06    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[SRM] multireg-ret multireg-dest "Return value temp for multireg return" <System.ReadOnlyMemory`1[int]>
;* V07 tmp3         [V07    ] (  0,  0   )  struct (16) zero-ref    "Inline return value spill temp" <System.ReadOnlySpan`1[int]>
;  V08 tmp4         [V08,T02] (  7,  5   )   byref  ->  r13         "Inline stloc first use temp"
;  V09 tmp5         [V09,T03] (  7,  5   )     int  ->  r12         "Inline stloc first use temp"
;* V10 tmp6         [V10    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def "Inline stloc first use temp" <System.Object>
;* V11 tmp7         [V11    ] (  0,  0   )  struct (16) zero-ref    multireg-arg ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[int]>
;* V12 tmp8         [V12    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "updating class info" <System.Buffers.MemoryManager`1[int]>
;* V13 tmp9         [V13    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[SBRM] multireg-ret multireg-dest "Return value temp for multireg return" <System.Span`1[int]>
;* V14 tmp10        [V14    ] (  0,  0   )  struct (16) zero-ref    multireg-ret multireg-dest ld-addr-op "Inline stloc first use temp" <System.Span`1[int]>
;  V15 tmp11        [V15,T11] (  3,  1.50)    long  ->  rdi         "Inline stloc first use temp"
;* V16 tmp12        [V16    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
;* V17 tmp13        [V17    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def "updating class info" <int[]>
;* V18 tmp14        [V18    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "updating class info" <int[]>
;  V19 tmp15        [V19,T10] (  2,  2   )   byref  ->  rdi         single-def "Inlining Arg"
;* V20 tmp16        [V20    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[int]>
;* V21 tmp17        [V21    ] (  0,  0   )  struct (16) zero-ref    multireg-ret ld-addr-op "NewObj constructor temp" <System.ReadOnlyMemory`1[int]>
;* V22 tmp18        [V22    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def "Inlining Arg" <System.Object>
;  V23 tmp19        [V23,T06] (  2,  4   )     int  ->  r15         "Inlining Arg"
;* V24 tmp20        [V24    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V05._reference (fldOffset=0x0)" P-INDEP
;* V25 tmp21        [V25    ] (  0,  0   )     int  ->  zero-ref    "field V05._length (fldOffset=0x8)" P-INDEP
;* V26 tmp22        [V26    ] (  0,  0   )   byref  ->  zero-ref    "field V07._reference (fldOffset=0x0)" P-INDEP
;* V27 tmp23        [V27    ] (  0,  0   )     int  ->  zero-ref    "field V07._length (fldOffset=0x8)" P-INDEP
;* V28 tmp24        [V28    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V11._reference (fldOffset=0x0)" P-INDEP
;* V29 tmp25        [V29    ] (  0,  0   )     int  ->  zero-ref    "field V11._length (fldOffset=0x8)" P-INDEP
;* V30 tmp26        [V30    ] (  0,  0   )   byref  ->  zero-ref    "field V13._reference (fldOffset=0x0)" P-DEP
;* V31 tmp27        [V31    ] (  0,  0   )     int  ->  zero-ref    "field V13._length (fldOffset=0x8)" P-DEP
;  V32 tmp28        [V32,T13] (  2,  1   )   byref  ->  r13         "field V14._reference (fldOffset=0x0)" P-INDEP
;  V33 tmp29        [V33,T14] (  2,  1   )     int  ->  r12         "field V14._length (fldOffset=0x8)" P-INDEP
;* V34 tmp30        [V34    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V20._reference (fldOffset=0x0)" P-INDEP
;* V35 tmp31        [V35    ] (  0,  0   )     int  ->  zero-ref    "field V20._length (fldOffset=0x8)" P-INDEP
;* V36 tmp32        [V36    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V21._object (fldOffset=0x0)" P-INDEP
;* V37 tmp33        [V37    ] (  0,  0   )     int  ->  zero-ref    "field V21._index (fldOffset=0x8)" P-INDEP
;* V38 tmp34        [V38    ] (  0,  0   )     int  ->  zero-ref    "field V21._length (fldOffset=0xc)" P-INDEP
;  V39 tmp35        [V39,T00] (  8,  6   )     ref  ->  rbx         single-def "V00.[000..008) V00.rdi"
;  V40 tmp36        [V40,T07] (  4,  3.50)     int  ->  r14         "V00.[008..012) V00.rsi"
;  V41 tmp37        [V41,T08] (  4,  3   )     int  ->  [rbp-0x40]  spill-single-def "V00.[012..016)"
;  V42 cse0         [V42,T12] (  3,  1.50)    long  ->  rcx         "CSE #01: moderate"
;
; Lcl frame size = 24

G_M47667_IG01:
       push     rbp
       push     r15
       push     r14
       push     r13
       push     r12
       push     rbx
       sub      rsp, 24
       lea      rbp, [rsp+0x40]
       mov      gword ptr [rbp-0x38], rdi
       mov      qword ptr [rbp-0x30], rsi
       mov      rbx, rdi
       mov      r14d, esi
       mov      r15d, edx
						;; size=36 bbWeight=1 PerfScore 9.50
G_M47667_IG02:
       xor      r13, r13
       xor      r12d, r12d
       mov      eax, dword ptr [rbp-0x2C]
       mov      dword ptr [rbp-0x40], eax
       test     rbx, rbx
       je       SHORT G_M47667_IG06
						;; size=17 bbWeight=1 PerfScore 3.75
G_M47667_IG03:
       mov      rcx, qword ptr [rbx]
       mov      rdi, rcx
       test     dword ptr [rdi], 0xD1FFAB1E
       jne      SHORT G_M47667_IG04
       mov      rdi, rbx
       mov      rcx, qword ptr [rcx+0x40]
       call     [rcx+0x28]System.Buffers.MemoryManager`1[int]:GetSpan():System.Span`1[int]:this
       mov      r13, rax
       mov      r12d, edx
       jmp      SHORT G_M47667_IG05
						;; size=32 bbWeight=0.50 PerfScore 7.00
G_M47667_IG04:
       lea      r13, bword ptr [rbx+0x10]
       mov      r12d, dword ptr [rbx+0x08]
						;; size=8 bbWeight=0.50 PerfScore 1.25
G_M47667_IG05:
       mov      edi, r14d
       and      edi, 0xD1FFAB1E
       mov      eax, dword ptr [rbp-0x40]
       mov      esi, eax
       add      rsi, rdi
       mov      edx, r12d
       cmp      rsi, rdx
       ja       G_M47667_IG09
       lea      r13, bword ptr [r13+4*rdi]
       mov      r12d, eax
						;; size=37 bbWeight=0.50 PerfScore 2.88
G_M47667_IG06:
       mov      rdi, r13
       mov      esi, r12d
       mov      edx, r15d
       mov      rcx, 0xD1FFAB1E      ; code for System.MemoryExtensions:ClampStart[int](System.ReadOnlySpan`1[int],int):int
       call     [rcx]System.MemoryExtensions:ClampStart[int](System.ReadOnlySpan`1[int],int):int
       mov      dword ptr [rbp-0x3C], eax
       mov      rdi, r13
       mov      esi, r12d
       mov      edx, eax
       mov      ecx, r15d
       mov      r8, 0xD1FFAB1E      ; code for System.MemoryExtensions:ClampEnd[int](System.ReadOnlySpan`1[int],int,int):int
       call     [r8]System.MemoryExtensions:ClampEnd[int](System.ReadOnlySpan`1[int],int,int):int
       mov      r15d, dword ptr [rbp-0x3C]
       mov      edx, r15d
       mov      edi, eax
       add      rdx, rdi
       mov      edi, dword ptr [rbp-0x40]
       cmp      rdx, rdi
       ja       SHORT G_M47667_IG08
       add      r15d, r14d
       mov      edx, eax
       shl      rdx, 32
       mov      edi, r15d
       or       rdx, rdi
       mov      rax, rbx
						;; size=86 bbWeight=1 PerfScore 15.00
G_M47667_IG07:
       add      rsp, 24
       pop      rbx
       pop      r12
       pop      r13
       pop      r14
       pop      r15
       pop      rbp
       ret      
						;; size=15 bbWeight=1 PerfScore 4.25
G_M47667_IG08:
       mov      edi, 33
       mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentOutOfRangeException(int)
       call     [rax]System.ThrowHelper:ThrowArgumentOutOfRangeException(int)
       int3     
						;; size=18 bbWeight=0.50 PerfScore 1.88
G_M47667_IG09:
       mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentOutOfRangeException()
       call     [rax]System.ThrowHelper:ThrowArgumentOutOfRangeException()
       int3     
						;; size=13 bbWeight=0.50 PerfScore 1.75

Changed text

Open file

; Assembly listing for method System.MemoryExtensions:Trim[int](System.ReadOnlyMemory`1[int],int):System.ReadOnlyMemory`1[int] (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; 8 single block inlinees; 3 inlinees without PGO data
; Final local variable assignments
;
;  V00 arg0         [V00,T04] (  3,  3   )  struct (16) [rbp-0x38]  do-not-enreg[SFA] multireg-arg ld-addr-op single-def <System.ReadOnlyMemory`1[int]>
;  V01 arg1         [V01,T01] (  4,  4   )     int  ->  r15         single-def
;  V02 loc0         [V02,T05] (  4,  4   )     int  ->  [rbp-0x3C]  spill-single-def
;  V03 loc1         [V03,T09] (  3,  3   )     int  ->  rax        
;# V04 OutArgs      [V04    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace" <Empty>
;* V05 tmp1         [V05    ] (  0,  0   )  struct (16) zero-ref    "dup spill" <System.ReadOnlySpan`1[int]>
;* V06 tmp2         [V06    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[SRM] multireg-ret multireg-dest "Return value temp for multireg return" <System.ReadOnlyMemory`1[int]>
;* V07 tmp3         [V07    ] (  0,  0   )  struct (16) zero-ref    "Inline return value spill temp" <System.ReadOnlySpan`1[int]>
;  V08 tmp4         [V08,T02] (  7,  5   )   byref  ->  r13         "Inline stloc first use temp"
;  V09 tmp5         [V09,T03] (  7,  5   )     int  ->  r12         "Inline stloc first use temp"
;* V10 tmp6         [V10    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def "Inline stloc first use temp" <System.Object>
;* V11 tmp7         [V11    ] (  0,  0   )  struct (16) zero-ref    multireg-arg ld-addr-op "NewObj constructor temp" <System.ReadOnlySpan`1[int]>
;* V12 tmp8         [V12    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "updating class info" <System.Buffers.MemoryManager`1[int]>
;* V13 tmp9         [V13    ] (  0,  0   )  struct (16) zero-ref    do-not-enreg[SBRM] multireg-ret multireg-dest "Return value temp for multireg return" <System.Span`1[int]>
;* V14 tmp10        [V14    ] (  0,  0   )  struct (16) zero-ref    multireg-ret multireg-dest ld-addr-op "Inline stloc first use temp" <System.Span`1[int]>
;  V15 tmp11        [V15,T14] (  2,  1   )     int  ->  rdi         "Inline stloc first use temp"
;* V16 tmp12        [V16    ] (  0,  0   )     int  ->  zero-ref    "Inline stloc first use temp"
;* V17 tmp13        [V17    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def "updating class info" <int[]>
;* V18 tmp14        [V18    ] (  0,  0   )     ref  ->  zero-ref    class-hnd "updating class info" <int[]>
;  V19 tmp15        [V19,T10] (  2,  2   )   byref  ->  rdi         single-def "Inlining Arg"
;* V20 tmp16        [V20    ] (  0,  0   )  struct (16) zero-ref    ld-addr-op "Inlining Arg" <System.Span`1[int]>
;* V21 tmp17        [V21    ] (  0,  0   )  struct (16) zero-ref    multireg-ret ld-addr-op "NewObj constructor temp" <System.ReadOnlyMemory`1[int]>
;* V22 tmp18        [V22    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
;* V23 tmp19        [V23    ] (  0,  0   )     ref  ->  zero-ref    class-hnd single-def "Inlining Arg" <System.Object>
;  V24 tmp20        [V24,T06] (  2,  4   )     int  ->  r15         "Inlining Arg"
;* V25 tmp21        [V25    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V05._reference (fldOffset=0x0)" P-INDEP
;* V26 tmp22        [V26    ] (  0,  0   )     int  ->  zero-ref    "field V05._length (fldOffset=0x8)" P-INDEP
;* V27 tmp23        [V27    ] (  0,  0   )   byref  ->  zero-ref    "field V07._reference (fldOffset=0x0)" P-INDEP
;* V28 tmp24        [V28    ] (  0,  0   )     int  ->  zero-ref    "field V07._length (fldOffset=0x8)" P-INDEP
;* V29 tmp25        [V29    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V11._reference (fldOffset=0x0)" P-INDEP
;* V30 tmp26        [V30    ] (  0,  0   )     int  ->  zero-ref    "field V11._length (fldOffset=0x8)" P-INDEP
;* V31 tmp27        [V31    ] (  0,  0   )   byref  ->  zero-ref    "field V13._reference (fldOffset=0x0)" P-DEP
;* V32 tmp28        [V32    ] (  0,  0   )     int  ->  zero-ref    "field V13._length (fldOffset=0x8)" P-DEP
;  V33 tmp29        [V33,T13] (  2,  1   )   byref  ->  r13         "field V14._reference (fldOffset=0x0)" P-INDEP
;  V34 tmp30        [V34,T15] (  2,  1   )     int  ->  r12         "field V14._length (fldOffset=0x8)" P-INDEP
;* V35 tmp31        [V35    ] (  0,  0   )   byref  ->  zero-ref    single-def "field V20._reference (fldOffset=0x0)" P-INDEP
;* V36 tmp32        [V36    ] (  0,  0   )     int  ->  zero-ref    "field V20._length (fldOffset=0x8)" P-INDEP
;* V37 tmp33        [V37    ] (  0,  0   )     ref  ->  zero-ref    single-def "field V21._object (fldOffset=0x0)" P-INDEP
;* V38 tmp34        [V38    ] (  0,  0   )     int  ->  zero-ref    "field V21._index (fldOffset=0x8)" P-INDEP
;* V39 tmp35        [V39    ] (  0,  0   )     int  ->  zero-ref    "field V21._length (fldOffset=0xc)" P-INDEP
;  V40 tmp36        [V40,T00] (  8,  6   )     ref  ->  rbx         single-def "V00.[000..008) V00.rdi"
;  V41 tmp37        [V41,T07] (  4,  3.50)     int  ->  r14         "V00.[008..012) V00.rsi"
;  V42 tmp38        [V42,T08] (  4,  3   )     int  ->  [rbp-0x40]  spill-single-def "V00.[012..016)"
;  V43 cse0         [V43,T11] (  3,  1.50)    long  ->  rdi         "CSE #02: moderate"
;  V44 cse1         [V44,T12] (  3,  1.50)    long  ->  rcx         "CSE #01: moderate"
;
; Lcl frame size = 24

G_M47667_IG01:
       push     rbp
       push     r15
       push     r14
       push     r13
       push     r12
       push     rbx
       sub      rsp, 24
       lea      rbp, [rsp+0x40]
       mov      gword ptr [rbp-0x38], rdi
       mov      qword ptr [rbp-0x30], rsi
       mov      rbx, rdi
       mov      r14d, esi
       mov      r15d, edx
						;; size=36 bbWeight=1 PerfScore 9.50
G_M47667_IG02:
       xor      r13, r13
       xor      r12d, r12d
       mov      eax, dword ptr [rbp-0x2C]
       mov      dword ptr [rbp-0x40], eax
       test     rbx, rbx
       je       SHORT G_M47667_IG06
						;; size=17 bbWeight=1 PerfScore 3.75
G_M47667_IG03:
       mov      rcx, qword ptr [rbx]
       mov      rdi, rcx
       test     dword ptr [rdi], 0xD1FFAB1E
       jne      SHORT G_M47667_IG04
       mov      rdi, rbx
       mov      rcx, qword ptr [rcx+0x40]
       call     [rcx+0x28]System.Buffers.MemoryManager`1[int]:GetSpan():System.Span`1[int]:this
       mov      r13, rax
       mov      r12d, edx
       jmp      SHORT G_M47667_IG05
						;; size=32 bbWeight=0.50 PerfScore 7.00
G_M47667_IG04:
       lea      r13, bword ptr [rbx+0x10]
       mov      r12d, dword ptr [rbx+0x08]
						;; size=8 bbWeight=0.50 PerfScore 1.25
G_M47667_IG05:
       mov      edi, r14d
       and      edi, 0xD1FFAB1E
       mov      eax, dword ptr [rbp-0x40]
       mov      esi, eax
       add      rsi, rdi
       mov      edx, r12d
       cmp      rsi, rdx
       ja       SHORT G_M47667_IG08
       lea      r13, bword ptr [r13+4*rdi]
       mov      r12d, eax
						;; size=33 bbWeight=0.50 PerfScore 2.88
G_M47667_IG06:
       mov      rdi, r13
       mov      esi, r12d
       mov      edx, r15d
       mov      rcx, 0xD1FFAB1E      ; code for System.MemoryExtensions:ClampStart[int](System.ReadOnlySpan`1[int],int):int
       call     [rcx]System.MemoryExtensions:ClampStart[int](System.ReadOnlySpan`1[int],int):int
       mov      dword ptr [rbp-0x3C], eax
       mov      rdi, r13
       mov      esi, r12d
       mov      edx, eax
       mov      ecx, r15d
       mov      r8, 0xD1FFAB1E      ; code for System.MemoryExtensions:ClampEnd[int](System.ReadOnlySpan`1[int],int,int):int
       call     [r8]System.MemoryExtensions:ClampEnd[int](System.ReadOnlySpan`1[int],int,int):int
       mov      r15d, dword ptr [rbp-0x3C]
       mov      edx, r15d
       mov      ecx, eax
       add      rdx, rcx
       mov      ecx, dword ptr [rbp-0x40]
       cmp      rdx, rcx
       ja       SHORT G_M47667_IG08
       add      r15d, r14d
       mov      edx, eax
       shl      rdx, 32
       mov      ecx, r15d
       or       rdx, rcx
       mov      rax, rbx
						;; size=86 bbWeight=1 PerfScore 15.00
G_M47667_IG07:
       add      rsp, 24
       pop      rbx
       pop      r12
       pop      r13
       pop      r14
       pop      r15
       pop      rbp
       ret      
						;; size=15 bbWeight=1 PerfScore 4.25
G_M47667_IG08:
       mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentOutOfRangeException()
       call     [rax]System.ThrowHelper:ThrowArgumentOutOfRangeException()
       int3     
						;; size=13 bbWeight=0.50 PerfScore 1.75

Words removed	96
Total words	1096
Words removed (%)	8.76

Words added	106
Total words	1106
Words added (%)	9.58