[JitDiff X64] [xtqqczze] Use `Unsafe.BitCast` to avoid taking address

[MihuBot]

Job completed in 14 minutes 49 seconds.
dotnet/runtime#111091

Diffs

Found 262 files with textual diffs.

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 40225646
Total bytes of diff: 40225507
Total bytes of delta: -139 (-0.00 % of base)
Total relative delta: -0.77
    diff is an improvement.
    relative diff is an improvement.


Top file improvements (bytes):
        -139 : System.Private.CoreLib.dasm (-0.00 % of base)

1 total files with Code Size differences (1 improved, 0 regressed), 258 unchanged.

Top method improvements (bytes):
         -67 (-27.46 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:Fill[System.Nullable`1[int]](byref,ulong,System.Nullable`1[int]) (FullOpts)
         -58 (-42.65 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:Fill[int](byref,ulong,int) (FullOpts)
          -8 (-3.45 % of base) : System.Private.CoreLib.dasm - System.Array:LastIndexOf[System.Numerics.Vector`1[float]](System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int (FullOpts)
          -4 (-2.13 % of base) : System.Private.CoreLib.dasm - System.Array:IndexOf[System.Numerics.Vector`1[float]](System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int (FullOpts)
          -1 (-0.54 % of base) : System.Private.CoreLib.dasm - System.Array:IndexOf[double](double[],double,int,int):int (FullOpts)
          -1 (-0.44 % of base) : System.Private.CoreLib.dasm - System.Array:LastIndexOf[double](double[],double,int,int):int (FullOpts)

Top method improvements (percentages):
         -58 (-42.65 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:Fill[int](byref,ulong,int) (FullOpts)
         -67 (-27.46 % of base) : System.Private.CoreLib.dasm - System.SpanHelpers:Fill[System.Nullable`1[int]](byref,ulong,System.Nullable`1[int]) (FullOpts)
          -8 (-3.45 % of base) : System.Private.CoreLib.dasm - System.Array:LastIndexOf[System.Numerics.Vector`1[float]](System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int (FullOpts)
          -4 (-2.13 % of base) : System.Private.CoreLib.dasm - System.Array:IndexOf[System.Numerics.Vector`1[float]](System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int (FullOpts)
          -1 (-0.54 % of base) : System.Private.CoreLib.dasm - System.Array:IndexOf[double](double[],double,int,int):int (FullOpts)
          -1 (-0.44 % of base) : System.Private.CoreLib.dasm - System.Array:LastIndexOf[double](double[],double,int,int):int (FullOpts)

6 total methods with Code Size differences (6 improved, 0 regressed), 233022 unchanged.

--------------------------------------------------------------------------------

Artifacts:

• build-clr-checked-main.zip (88 MB)
• build-artifacts-main.zip (688 MB)
• build-clr-checked-pr.zip (88 MB)
• build-artifacts-pr.zip (690 MB)
• jit-diffs-main.zip (135 MB)
• jit-diffs-pr.zip (135 MB)
• diff-frameworks.txt (2 KB)
• ShortDiffsImprovements.md (42 KB)

[MihuBot]

Top method improvements

-67 (-27.46 % of base) - System.SpanHelpers:Fill[System.Nullable`1[int]](byref,ulong,System.Nullable`1[int])

 ; Assembly listing for method System.SpanHelpers:Fill[System.Nullable`1[int]](byref,ulong,System.Nullable`1[int]) (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX512 - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
-; 0 inlinees with PGO data; 2 single block inlinees; 1 inlinees without PGO data
+; 0 inlinees with PGO data; 2 single block inlinees; 2 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 arg0         [V00,T00] ( 18, 38   )   byref  ->  rdi         single-def
-;  V01 arg1         [V01,T07] ( 10,  6.50)    long  ->  rsi         single-def
-;  V02 arg2         [V02,T01] ( 18, 38   )  struct ( 8) rdx         single-def <System.Nullable`1[int]>
-;  V03 loc0         [V03,T04] ( 12, 20   )    long  ->  rax        
-;  V04 loc1         [V04    ] (  2,  1   )  struct ( 8) [rbp-0x08]  do-not-enreg[SF] ld-addr-op <System.Nullable`1[int]>
-;  V05 loc2         [V05,T15] (  5,  9.50)  simd32  ->  mm0         ld-addr-op <System.Numerics.Vector`1[ubyte]>
-;  V06 loc3         [V06,T06] (  5,  9.50)   byref  ->  rdi         single-def
-;  V07 loc4         [V07,T11] (  4,  2   )    long  ->  rax        
-;  V08 loc5         [V08,T08] (  2,  4.50)    long  ->  rcx        
-;  V09 loc6         [V09,T03] (  7, 21   )    long  ->  rdx        
-;* V10 loc7         [V10    ] (  0,  0   )  simd16  ->  zero-ref    <System.Runtime.Intrinsics.Vector128`1[ubyte]>
-;  V11 loc8         [V11,T09] (  2,  4.50)    long  ->  rcx        
-;# V12 OutArgs      [V12    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
-;  V13 tmp1         [V13,T05] (  2, 16   )    long  ->  rax         "dup spill"
-;* V14 tmp2         [V14    ] (  0,  0   )  simd32  ->  zero-ref    ld-addr-op "NewObj constructor temp" <System.Numerics.Vector`1[ulong]>
-;* V15 tmp3         [V15    ] (  0,  0   )  simd32  ->  zero-ref   
-;* V16 tmp4         [V16    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;* V17 tmp5         [V17    ] (  0,  0   )    long  ->  zero-ref    "Inlining Arg"
-;* V18 tmp6         [V18    ] (  0,  0   )  simd32  ->  zero-ref    "Inlining Arg" <System.Numerics.Vector`1[ulong]>
-;  V19 tmp7         [V19,T13] (  2,  1   )   ubyte  ->  [rbp-0x08]  do-not-enreg[] "field V04.hasValue (fldOffset=0x0)" P-DEP
-;  V20 tmp8         [V20,T14] (  2,  1   )     int  ->  [rbp-0x04]  do-not-enreg[] "field V04.value (fldOffset=0x4)" P-DEP
-;  V21 cse0         [V21,T02] (  9, 36   )    long  ->   r8         "CSE #01: aggressive"
-;  V22 cse1         [V22,T10] (  5,  2.50)    long  ->  rcx         "CSE #02: moderate"
-;  V23 cse2         [V23,T12] (  3,  1.50)    long  ->  rcx         "CSE #03: moderate"
+;  V00 arg0         [V00,T00] ( 17, 37.50)   byref  ->  rdi         single-def
+;  V01 arg1         [V01,T05] (  8,  7.50)    long  ->  rsi         single-def
+;  V02 arg2         [V02,T01] ( 17, 37.50)  struct ( 8) rdx         single-def <System.Nullable`1[int]>
+;  V03 loc0         [V03,T03] ( 12, 20.50)    long  ->  rax        
+;* V04 loc1         [V04    ] (  0,  0   )  simd32  ->  zero-ref    ld-addr-op <System.Numerics.Vector`1[ubyte]>
+;* V05 loc2         [V05    ] (  0,  0   )   byref  ->  zero-ref   
+;* V06 loc3         [V06    ] (  0,  0   )    long  ->  zero-ref   
+;* V07 loc4         [V07    ] (  0,  0   )    long  ->  zero-ref   
+;* V08 loc5         [V08    ] (  0,  0   )    long  ->  zero-ref   
+;* V09 loc6         [V09    ] (  0,  0   )  simd16  ->  zero-ref    <System.Runtime.Intrinsics.Vector128`1[ubyte]>
+;  V10 loc7         [V10,T06] (  2,  4.50)    long  ->  rcx        
+;# V11 OutArgs      [V11    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
+;  V12 tmp1         [V12,T04] (  2, 16   )    long  ->  rax         "dup spill"
+;* V13 tmp2         [V13    ] (  0,  0   )  simd32  ->  zero-ref    ld-addr-op "NewObj constructor temp" <System.Numerics.Vector`1[ulong]>
+;* V14 tmp3         [V14    ] (  0,  0   )  simd32  ->  zero-ref   
+;* V15 tmp4         [V15    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
+;* V16 tmp5         [V16    ] (  0,  0   )  struct ( 8) zero-ref    ld-addr-op "Inline ldloca(s) first use temp" <System.Nullable`1[int]>
+;* V17 tmp6         [V17    ] (  0,  0   )  struct ( 8) zero-ref    do-not-enreg[SF] ld-addr-op "Inlining Arg" <System.Nullable`1[int]>
+;* V18 tmp7         [V18    ] (  0,  0   )    long  ->  zero-ref    ld-addr-op "Inline ldloca(s) first use temp"
+;* V19 tmp8         [V19    ] (  0,  0   )    long  ->  zero-ref    "Inlining Arg"
+;* V20 tmp9         [V20    ] (  0,  0   )  simd32  ->  zero-ref    "Inlining Arg" <System.Numerics.Vector`1[ulong]>
+;* V21 tmp10        [V21    ] (  0,  0   )   ubyte  ->  zero-ref    "field V16.hasValue (fldOffset=0x0)" P-INDEP
+;* V22 tmp11        [V22    ] (  0,  0   )     int  ->  zero-ref    "field V16.value (fldOffset=0x4)" P-INDEP
+;* V23 tmp12        [V23    ] (  0,  0   )   ubyte  ->  zero-ref    do-not-enreg[] "field V17.hasValue (fldOffset=0x0)" P-DEP
+;* V24 tmp13        [V24    ] (  0,  0   )     int  ->  zero-ref    do-not-enreg[] "field V17.value (fldOffset=0x4)" P-DEP
+;  V25 cse0         [V25,T02] (  9, 36   )    long  ->   r8         "CSE #01: aggressive"
+;  V26 cse1         [V26,T07] (  5,  2.50)    long  ->  rcx         "CSE #02: aggressive"
+;  V27 cse2         [V27,T08] (  3,  1.50)    long  ->  rcx         "CSE #03: moderate"
 ;
-; Lcl frame size = 16
+; Lcl frame size = 0
 
 G_M56207_IG01:
        push     rbp
-       sub      rsp, 16
-       lea      rbp, [rsp+0x10]
-						;; size=10 bbWeight=1 PerfScore 1.75
+       mov      rbp, rsp
+						;; size=4 bbWeight=1 PerfScore 1.25
 G_M56207_IG02:
        cmp      rsi, 4
-       jae      G_M56207_IG08
-						;; size=10 bbWeight=1 PerfScore 1.25
-G_M56207_IG03:
+       jae      G_M56207_IG12
        xor      eax, eax
        cmp      rsi, 8
        jb       SHORT G_M56207_IG05
+						;; size=18 bbWeight=1 PerfScore 2.75
+G_M56207_IG03:
        mov      rcx, rsi
        and      rcx, -8
-       align    [0 bytes for IG04]
-						;; size=15 bbWeight=0.50 PerfScore 1.00
+       align    [3 bytes for IG04]
+						;; size=10 bbWeight=0.50 PerfScore 0.38
 G_M56207_IG04:
        lea      r8, [8*rax]
        mov      qword ptr [rdi+r8], rdx
        mov      qword ptr [rdi+r8+0x08], rdx
        mov      qword ptr [rdi+r8+0x10], rdx
        mov      qword ptr [rdi+r8+0x18], rdx
        mov      qword ptr [rdi+r8+0x20], rdx
        mov      qword ptr [rdi+r8+0x28], rdx
        mov      qword ptr [rdi+r8+0x30], rdx
        mov      qword ptr [rdi+r8+0x38], rdx
        add      rax, 8
        cmp      rax, rcx
        jb       SHORT G_M56207_IG04
 						;; size=56 bbWeight=4 PerfScore 40.00
 G_M56207_IG05:
        test     sil, 4
-       je       SHORT G_M56207_IG06
+       je       SHORT G_M56207_IG07
+						;; size=6 bbWeight=1 PerfScore 1.25
+G_M56207_IG06:
        lea      rcx, [8*rax]
        mov      qword ptr [rdi+rcx], rdx
        mov      qword ptr [rdi+rcx+0x08], rdx
        mov      qword ptr [rdi+rcx+0x10], rdx
        mov      qword ptr [rdi+rcx+0x18], rdx
        add      rax, 4
-						;; size=37 bbWeight=0.50 PerfScore 3.00
-G_M56207_IG06:
+						;; size=31 bbWeight=0.50 PerfScore 2.38
+G_M56207_IG07:
        test     sil, 2
-       je       SHORT G_M56207_IG07
+       je       SHORT G_M56207_IG09
+						;; size=6 bbWeight=1 PerfScore 1.25
+G_M56207_IG08:
        lea      rcx, [8*rax]
        mov      qword ptr [rdi+rcx], rdx
        mov      qword ptr [rdi+rcx+0x08], rdx
        add      rax, 2
-						;; size=27 bbWeight=0.50 PerfScore 2.00
-G_M56207_IG07:
-       test     sil, 1
-       je       SHORT G_M56207_IG12
-       mov      qword ptr [rdi+8*rax], rdx
-       jmp      SHORT G_M56207_IG12
-       align    [0 bytes for IG09]
-						;; size=12 bbWeight=0.50 PerfScore 2.12
-G_M56207_IG08:
-       mov      qword ptr [rbp-0x08], rdx
-       vpbroadcastq ymm0, qword ptr [rbp-0x08]
-       lea      rax, [8*rsi]
-       mov      rcx, rax
-       and      rcx, -64
-       xor      edx, edx
-       cmp      rsi, 8
-       jb       SHORT G_M56207_IG10
-						;; size=33 bbWeight=0.50 PerfScore 3.75
+						;; size=21 bbWeight=0.50 PerfScore 1.38
 G_M56207_IG09:
-       vmovups  ymmword ptr [rdi+rdx], ymm0
-       vmovups  ymmword ptr [rdi+rdx+0x20], ymm0
-       add      rdx, 64
-       cmp      rdx, rcx
-       jb       SHORT G_M56207_IG09
-						;; size=20 bbWeight=4 PerfScore 22.00
-G_M56207_IG10:
-       test     al, 32
+       test     sil, 1
        je       SHORT G_M56207_IG11
-       vmovups  ymmword ptr [rdi+rdx], ymm0
-						;; size=9 bbWeight=0.50 PerfScore 1.62
+						;; size=6 bbWeight=1 PerfScore 1.25
+G_M56207_IG10:
+       mov      qword ptr [rdi+8*rax], rdx
+						;; size=4 bbWeight=0.50 PerfScore 0.50
 G_M56207_IG11:
-       vmovups  ymmword ptr [rdi+rax-0x20], ymm0
-						;; size=6 bbWeight=0.50 PerfScore 1.00
-G_M56207_IG12:
-       vzeroupper 
-       add      rsp, 16
        pop      rbp
        ret      
-						;; size=9 bbWeight=1 PerfScore 2.75
+						;; size=2 bbWeight=1 PerfScore 1.50
+G_M56207_IG12:
+       mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowNotSupportedException()
+       call     [rax]System.ThrowHelper:ThrowNotSupportedException()
+       int3     
+						;; size=13 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 244, prolog size 10, PerfScore 82.25, instruction count 63, allocated bytes for code 244 (MethodHash=b4fe2470) for method System.SpanHelpers:Fill[System.Nullable`1[int]](byref,ulong,System.Nullable`1[int]) (FullOpts)
+; Total bytes of code 177, prolog size 4, PerfScore 53.88, instruction count 44, allocated bytes for code 177 (MethodHash=b4fe2470) for method System.SpanHelpers:Fill[System.Nullable`1[int]](byref,ulong,System.Nullable`1[int]) (FullOpts)
 ; ============================================================

-58 (-42.65 % of base) - System.SpanHelpers:Fill[int](byref,ulong,int)

 ; Assembly listing for method System.SpanHelpers:Fill[int](byref,ulong,int) (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX512 - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
 ; fully interruptible
 ; No PGO data
-; 0 inlinees with PGO data; 2 single block inlinees; 1 inlinees without PGO data
+; 0 inlinees with PGO data; 2 single block inlinees; 2 inlinees without PGO data
 ; Final local variable assignments
 ;
-;  V00 arg0         [V00,T02] ( 10,  6   )   byref  ->  rdi         single-def
-;  V01 arg1         [V01,T04] (  8,  5.50)    long  ->  rsi         single-def
-;  V02 arg2         [V02,T03] ( 10,  6   )     int  ->  rdx         single-def
-;  V03 loc0         [V03,T05] ( 12,  6   )    long  ->  rax        
-;* V04 loc1         [V04    ] (  0,  0   )     int  ->  zero-ref    ld-addr-op
-;  V05 loc2         [V05,T08] (  5,  9.50)  simd32  ->  mm0         ld-addr-op <System.Numerics.Vector`1[ubyte]>
-;  V06 loc3         [V06,T01] (  5,  9.50)   byref  ->  rdi         single-def
-;  V07 loc4         [V07,T07] (  4,  2   )    long  ->  rax        
-;  V08 loc5         [V08,T06] (  2,  4.50)    long  ->  rcx        
-;  V09 loc6         [V09,T00] (  7, 21   )    long  ->  rdx        
-;* V10 loc7         [V10    ] (  0,  0   )  simd16  ->  zero-ref    <System.Runtime.Intrinsics.Vector128`1[ubyte]>
-;* V11 loc8         [V11    ] (  0,  0   )    long  ->  zero-ref   
-;# V12 OutArgs      [V12    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
-;* V13 tmp1         [V13    ] (  0,  0   )    long  ->  zero-ref    "dup spill"
-;* V14 tmp2         [V14    ] (  0,  0   )  simd32  ->  zero-ref    ld-addr-op "NewObj constructor temp" <System.Numerics.Vector`1[uint]>
-;* V15 tmp3         [V15    ] (  0,  0   )  simd32  ->  zero-ref   
-;* V16 tmp4         [V16    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
-;* V17 tmp5         [V17    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
-;* V18 tmp6         [V18    ] (  0,  0   )  simd32  ->  zero-ref    "Inlining Arg" <System.Numerics.Vector`1[uint]>
+;  V00 arg0         [V00,T01] (  9,  5.50)   byref  ->  rdi         single-def
+;  V01 arg1         [V01,T00] (  6,  6   )    long  ->  rsi         single-def
+;  V02 arg2         [V02,T02] (  9,  5.50)     int  ->  rdx         single-def
+;  V03 loc0         [V03,T03] ( 12,  6.50)    long  ->  rax        
+;* V04 loc1         [V04    ] (  0,  0   )  simd32  ->  zero-ref    ld-addr-op <System.Numerics.Vector`1[ubyte]>
+;* V05 loc2         [V05    ] (  0,  0   )   byref  ->  zero-ref   
+;* V06 loc3         [V06    ] (  0,  0   )    long  ->  zero-ref   
+;* V07 loc4         [V07    ] (  0,  0   )    long  ->  zero-ref   
+;* V08 loc5         [V08    ] (  0,  0   )    long  ->  zero-ref   
+;* V09 loc6         [V09    ] (  0,  0   )  simd16  ->  zero-ref    <System.Runtime.Intrinsics.Vector128`1[ubyte]>
+;* V10 loc7         [V10    ] (  0,  0   )    long  ->  zero-ref   
+;# V11 OutArgs      [V11    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
+;* V12 tmp1         [V12    ] (  0,  0   )    long  ->  zero-ref    "dup spill"
+;* V13 tmp2         [V13    ] (  0,  0   )  simd32  ->  zero-ref    ld-addr-op "NewObj constructor temp" <System.Numerics.Vector`1[uint]>
+;* V14 tmp3         [V14    ] (  0,  0   )  simd32  ->  zero-ref   
+;* V15 tmp4         [V15    ] (  0,  0   )   ubyte  ->  zero-ref    "Inline return value spill temp"
+;* V16 tmp5         [V16    ] (  0,  0   )     int  ->  zero-ref    ld-addr-op "Inlining Arg"
+;* V17 tmp6         [V17    ] (  0,  0   )     int  ->  zero-ref    "Inlining Arg"
+;* V18 tmp7         [V18    ] (  0,  0   )  simd32  ->  zero-ref    "Inlining Arg" <System.Numerics.Vector`1[uint]>
 ;
 ; Lcl frame size = 0
 
 G_M11887_IG01:
        push     rbp
        mov      rbp, rsp
 						;; size=4 bbWeight=1 PerfScore 1.25
 G_M11887_IG02:
        cmp      rsi, 8
-       jae      SHORT G_M11887_IG06
-						;; size=6 bbWeight=1 PerfScore 1.25
-G_M11887_IG03:
+       jae      SHORT G_M11887_IG09
        xor      eax, eax
        test     sil, 4
        je       SHORT G_M11887_IG04
+						;; size=14 bbWeight=1 PerfScore 2.75
+G_M11887_IG03:
        mov      dword ptr [rdi+4*rax], edx
        mov      dword ptr [rdi+4*rax+0x04], edx
        mov      dword ptr [rdi+4*rax+0x08], edx
        mov      dword ptr [rdi+4*rax+0x0C], edx
        add      rax, 4
-						;; size=27 bbWeight=0.50 PerfScore 2.88
+						;; size=19 bbWeight=0.50 PerfScore 2.12
 G_M11887_IG04:
        test     sil, 2
-       je       SHORT G_M11887_IG05
+       je       SHORT G_M11887_IG06
+						;; size=6 bbWeight=1 PerfScore 1.25
+G_M11887_IG05:
        mov      dword ptr [rdi+4*rax], edx
        mov      dword ptr [rdi+4*rax+0x04], edx
        add      rax, 2
-						;; size=17 bbWeight=0.50 PerfScore 1.75
-G_M11887_IG05:
-       test     sil, 1
-       je       SHORT G_M11887_IG10
-       mov      dword ptr [rdi+4*rax], edx
-       jmp      SHORT G_M11887_IG10
-       align    [2 bytes for IG07]
-						;; size=13 bbWeight=0.50 PerfScore 2.12
+						;; size=11 bbWeight=0.50 PerfScore 1.12
 G_M11887_IG06:
-       vpbroadcastd ymm0, edx
-       lea      rax, [4*rsi]
-       mov      rcx, rax
-       and      rcx, -64
-       xor      edx, edx
-       cmp      rsi, 16
-       jb       SHORT G_M11887_IG08
-						;; size=29 bbWeight=0.50 PerfScore 2.25
+       test     sil, 1
+       je       SHORT G_M11887_IG08
+						;; size=6 bbWeight=1 PerfScore 1.25
 G_M11887_IG07:
-       vmovups  ymmword ptr [rdi+rdx], ymm0
-       vmovups  ymmword ptr [rdi+rdx+0x20], ymm0
-       add      rdx, 64
-       cmp      rdx, rcx
-       jb       SHORT G_M11887_IG07
-						;; size=20 bbWeight=4 PerfScore 22.00
+       mov      dword ptr [rdi+4*rax], edx
+						;; size=3 bbWeight=0.50 PerfScore 0.50
 G_M11887_IG08:
-       test     al, 32
-       je       SHORT G_M11887_IG09
-       vmovups  ymmword ptr [rdi+rdx], ymm0
-						;; size=9 bbWeight=0.50 PerfScore 1.62
-G_M11887_IG09:
-       vmovups  ymmword ptr [rdi+rax-0x20], ymm0
-						;; size=6 bbWeight=0.50 PerfScore 1.00
-G_M11887_IG10:
-       vzeroupper 
        pop      rbp
        ret      
-						;; size=5 bbWeight=1 PerfScore 2.50
+						;; size=2 bbWeight=1 PerfScore 1.50
+G_M11887_IG09:
+       mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowNotSupportedException()
+       call     [rax]System.ThrowHelper:ThrowNotSupportedException()
+       int3     
+						;; size=13 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 136, prolog size 4, PerfScore 38.62, instruction count 41, allocated bytes for code 136 (MethodHash=2dc3d190) for method System.SpanHelpers:Fill[int](byref,ulong,int) (FullOpts)
+; Total bytes of code 78, prolog size 4, PerfScore 11.75, instruction count 25, allocated bytes for code 78 (MethodHash=2dc3d190) for method System.SpanHelpers:Fill[int](byref,ulong,int) (FullOpts)
 ; ============================================================

-8 (-3.45 % of base) - System.Array:LastIndexOf[System.Numerics.Vector`1[float]](System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int

 ; Assembly listing for method System.Array:LastIndexOf[System.Numerics.Vector`1[float]](System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX512 - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
-; partially interruptible
+; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 2 single block inlinees; 0 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 arg0         [V00,T01] (  5,  4.50)     ref  ->  r15         class-hnd single-def <System.Numerics.Vector`1[float][]>
-;  V01 arg1         [V01,T05] (  1,  0.50)  simd32  ->  [rbp+0x10]  ld-addr-op single-def <System.Numerics.Vector`1[float]>
+;  V01 arg1         [V01,T05] (  1,  0.50)  simd32  ->  [rbp+0x10]  single-def <System.Numerics.Vector`1[float]>
 ;  V02 arg2         [V02,T00] (  7,  4.50)     int  ->  rbx         single-def
 ;  V03 arg3         [V03,T02] (  6,  4   )     int  ->  r14         single-def
 ;* V04 loc0         [V04    ] (  0,  0   )     int  ->  zero-ref   
 ;* V05 loc1         [V05    ] (  0,  0   )     int  ->  zero-ref   
 ;* V06 loc2         [V06    ] (  0,  0   )     int  ->  zero-ref   
 ;* V07 loc3         [V07    ] (  0,  0   )     int  ->  zero-ref   
 ;* V08 loc4         [V08    ] (  0,  0   )     int  ->  zero-ref   
 ;* V09 loc5         [V09    ] (  0,  0   )     int  ->  zero-ref   
 ;* V10 loc6         [V10    ] (  0,  0   )     int  ->  zero-ref   
 ;* V11 loc7         [V11    ] (  0,  0   )     int  ->  zero-ref   
-;  V12 OutArgs      [V12    ] (  1,  1   )  struct (32) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
+;# V12 OutArgs      [V12    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;  V13 tmp1         [V13,T04] (  2,  2   )     ref  ->  rdi         single-def "argument with side effect"
 ;  V14 cse0         [V14,T03] (  3,  2.50)     int  ->  rdi         "CSE #01: aggressive"
 ;
-; Lcl frame size = 40
+; Lcl frame size = 8
 
 G_M26696_IG01:
        push     rbp
        push     r15
        push     r14
        push     rbx
-       sub      rsp, 40
-       lea      rbp, [rsp+0x40]
+       push     rax
+       lea      rbp, [rsp+0x20]
        mov      r15, rdi
        mov      ebx, esi
        mov      r14d, edx
-						;; size=23 bbWeight=1 PerfScore 5.50
+						;; size=20 bbWeight=1 PerfScore 6.25
 G_M26696_IG02:
        test     r15, r15
-       je       G_M26696_IG12
+       je       G_M26696_IG13
        mov      edi, dword ptr [r15+0x08]
        test     edi, edi
-       je       SHORT G_M26696_IG06
+       je       SHORT G_M26696_IG07
 						;; size=17 bbWeight=1 PerfScore 4.50
 G_M26696_IG03:
        cmp      edi, ebx
-       jbe      G_M26696_IG11
+       jbe      G_M26696_IG12
        mov      edi, ebx
        sub      edi, r14d
        inc      edi
        or       edi, r14d
-       jl       G_M26696_IG10
+       jl       SHORT G_M26696_IG11
        mov      rdi, 0xD1FFAB1E      ; global ptr
        test     byte  ptr [rdi], 1
-       je       SHORT G_M26696_IG09
-						;; size=39 bbWeight=0.50 PerfScore 3.75
+       je       SHORT G_M26696_IG10
+						;; size=35 bbWeight=0.50 PerfScore 3.75
 G_M26696_IG04:
        mov      rdi, 0xD1FFAB1E      ; data for System.Collections.Generic.EqualityComparer`1[System.Numerics.Vector`1[float]]:<Default>k__BackingField
        mov      rdi, gword ptr [rdi]
+						;; size=13 bbWeight=0.50 PerfScore 1.12
+G_M26696_IG05:
        vmovups  ymm0, ymmword ptr [rbp+0x10]
-       vmovups  ymmword ptr [rsp], ymm0
+       vmovups  ymmword ptr [rbp+0x10], ymm0
        mov      rsi, r15
        mov      edx, ebx
        mov      ecx, r14d
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.GenericEqualityComparer`1[System.Numerics.Vector`1[float]]:LastIndexOf(System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int:this
-       call     [rax]System.Collections.Generic.GenericEqualityComparer`1[System.Numerics.Vector`1[float]]:LastIndexOf(System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int:this
-       nop      
-						;; size=44 bbWeight=0.50 PerfScore 5.75
-G_M26696_IG05:
-       add      rsp, 40
+						;; size=28 bbWeight=0.50 PerfScore 3.00
+G_M26696_IG06:
+       add      rsp, 8
        pop      rbx
        pop      r14
        pop      r15
        pop      rbp
-       ret      
-						;; size=11 bbWeight=0.50 PerfScore 1.62
-G_M26696_IG06:
-       cmp      ebx, -1
-       je       SHORT G_M26696_IG07
-       test     ebx, ebx
-       jne      SHORT G_M26696_IG11
-						;; size=9 bbWeight=0.50 PerfScore 1.25
+       tail.jmp [rax]System.Collections.Generic.GenericEqualityComparer`1[System.Numerics.Vector`1[float]]:LastIndexOf(System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int:this
+						;; size=13 bbWeight=0.50 PerfScore 2.12
 G_M26696_IG07:
+       cmp      ebx, -1
+       je       SHORT G_M26696_IG08
+       test     ebx, ebx
+       jne      SHORT G_M26696_IG12
+						;; size=9 bbWeight=0.50 PerfScore 1.25
+G_M26696_IG08:
        test     r14d, r14d
-       jne      SHORT G_M26696_IG10
+       jne      SHORT G_M26696_IG11
        mov      eax, -1
 						;; size=10 bbWeight=0.50 PerfScore 0.75
-G_M26696_IG08:
-       add      rsp, 40
+G_M26696_IG09:
+       add      rsp, 8
        pop      rbx
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=11 bbWeight=0.50 PerfScore 1.62
-G_M26696_IG09:
+G_M26696_IG10:
        mov      rdi, 0xD1FFAB1E      ; System.Collections.Generic.EqualityComparer`1[System.Numerics.Vector`1[float]]
        mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_GET_GCSTATIC_BASE
        call     [rax]CORINFO_HELP_GET_GCSTATIC_BASE
        jmp      SHORT G_M26696_IG04
 						;; size=24 bbWeight=0 PerfScore 0.00
-G_M26696_IG10:
+G_M26696_IG11:
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowCountArgumentOutOfRange_ArgumentOutOfRange_Count()
        call     [rax]System.ThrowHelper:ThrowCountArgumentOutOfRange_ArgumentOutOfRange_Count()
        int3     
 						;; size=13 bbWeight=0 PerfScore 0.00
-G_M26696_IG11:
+G_M26696_IG12:
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowStartIndexArgumentOutOfRange_ArgumentOutOfRange_IndexMustBeLess()
        call     [rax]System.ThrowHelper:ThrowStartIndexArgumentOutOfRange_ArgumentOutOfRange_IndexMustBeLess()
        int3     
 						;; size=13 bbWeight=0 PerfScore 0.00
-G_M26696_IG12:
+G_M26696_IG13:
        mov      edi, 2
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentNullException(int)
        call     [rax]System.ThrowHelper:ThrowArgumentNullException(int)
        int3     
 						;; size=18 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 232, prolog size 15, PerfScore 24.75, instruction count 67, allocated bytes for code 232 (MethodHash=a95397b7) for method System.Array:LastIndexOf[System.Numerics.Vector`1[float]](System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int (FullOpts)
+; Total bytes of code 224, prolog size 20, PerfScore 24.38, instruction count 65, allocated bytes for code 224 (MethodHash=a95397b7) for method System.Array:LastIndexOf[System.Numerics.Vector`1[float]](System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int (FullOpts)
 ; ============================================================

-4 (-2.13 % of base) - System.Array:IndexOf[System.Numerics.Vector`1[float]](System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int

 ; Assembly listing for method System.Array:IndexOf[System.Numerics.Vector`1[float]](System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX512 - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
-; partially interruptible
+; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 2 single block inlinees; 0 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 arg0         [V00,T00] (  5,  5   )     ref  ->  rbx         class-hnd single-def <System.Numerics.Vector`1[float][]>
-;  V01 arg1         [V01,T05] (  1,  1   )  simd32  ->  [rbp+0x10]  ld-addr-op single-def <System.Numerics.Vector`1[float]>
+;  V01 arg1         [V01,T05] (  1,  1   )  simd32  ->  [rbp+0x10]  single-def <System.Numerics.Vector`1[float]>
 ;  V02 arg2         [V02,T01] (  5,  5   )     int  ->  r15         single-def
 ;  V03 arg3         [V03,T02] (  4,  4   )     int  ->  r14         single-def
 ;* V04 loc0         [V04    ] (  0,  0   )     int  ->  zero-ref   
 ;* V05 loc1         [V05    ] (  0,  0   )     int  ->  zero-ref   
 ;* V06 loc2         [V06    ] (  0,  0   )     int  ->  zero-ref   
 ;* V07 loc3         [V07    ] (  0,  0   )     int  ->  zero-ref   
-;  V08 OutArgs      [V08    ] (  1,  1   )  struct (32) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
+;# V08 OutArgs      [V08    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;  V09 tmp1         [V09,T03] (  2,  4   )     ref  ->  rdi         single-def "argument with side effect"
 ;  V10 cse0         [V10,T04] (  3,  3   )     int  ->  rdi         "CSE #01: aggressive"
 ;
-; Lcl frame size = 40
+; Lcl frame size = 8
 
 G_M52482_IG01:
        push     rbp
        push     r15
        push     r14
        push     rbx
-       sub      rsp, 40
-       lea      rbp, [rsp+0x40]
+       push     rax
+       lea      rbp, [rsp+0x20]
        mov      rbx, rdi
        mov      r15d, esi
        mov      r14d, edx
-						;; size=24 bbWeight=1 PerfScore 5.50
+						;; size=21 bbWeight=1 PerfScore 6.25
 G_M52482_IG02:
        test     rbx, rbx
-       je       G_M52482_IG08
+       je       G_M52482_IG09
        mov      edi, dword ptr [rbx+0x08]
        cmp      edi, r15d
-       jb       SHORT G_M52482_IG07
+       jb       SHORT G_M52482_IG08
        sub      edi, r15d
        cmp      edi, r14d
-       jb       SHORT G_M52482_IG06
+       jb       SHORT G_M52482_IG07
        mov      rdi, 0xD1FFAB1E      ; global ptr
        test     byte  ptr [rdi], 1
-       je       SHORT G_M52482_IG05
+       je       SHORT G_M52482_IG06
 						;; size=40 bbWeight=1 PerfScore 10.25
 G_M52482_IG03:
        mov      rdi, 0xD1FFAB1E      ; data for System.Collections.Generic.EqualityComparer`1[System.Numerics.Vector`1[float]]:<Default>k__BackingField
        mov      rdi, gword ptr [rdi]
+						;; size=13 bbWeight=1 PerfScore 2.25
+G_M52482_IG04:
        vmovups  ymm0, ymmword ptr [rbp+0x10]
-       vmovups  ymmword ptr [rsp], ymm0
+       vmovups  ymmword ptr [rbp+0x10], ymm0
        mov      rsi, rbx
        mov      edx, r15d
        mov      ecx, r14d
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.GenericEqualityComparer`1[System.Numerics.Vector`1[float]]:IndexOf(System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int:this
-       call     [rax]System.Collections.Generic.GenericEqualityComparer`1[System.Numerics.Vector`1[float]]:IndexOf(System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int:this
-       nop      
-						;; size=45 bbWeight=1 PerfScore 11.50
-G_M52482_IG04:
-       add      rsp, 40
+						;; size=29 bbWeight=1 PerfScore 6.00
+G_M52482_IG05:
+       add      rsp, 8
        pop      rbx
        pop      r14
        pop      r15
        pop      rbp
-       ret      
-						;; size=11 bbWeight=1 PerfScore 3.25
-G_M52482_IG05:
+       tail.jmp [rax]System.Collections.Generic.GenericEqualityComparer`1[System.Numerics.Vector`1[float]]:IndexOf(System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int:this
+						;; size=13 bbWeight=1 PerfScore 4.25
+G_M52482_IG06:
        mov      rdi, 0xD1FFAB1E      ; System.Collections.Generic.EqualityComparer`1[System.Numerics.Vector`1[float]]
        mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_GET_GCSTATIC_BASE
        call     [rax]CORINFO_HELP_GET_GCSTATIC_BASE
        jmp      SHORT G_M52482_IG03
 						;; size=24 bbWeight=0 PerfScore 0.00
-G_M52482_IG06:
+G_M52482_IG07:
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowCountArgumentOutOfRange_ArgumentOutOfRange_Count()
        call     [rax]System.ThrowHelper:ThrowCountArgumentOutOfRange_ArgumentOutOfRange_Count()
        int3     
 						;; size=13 bbWeight=0 PerfScore 0.00
-G_M52482_IG07:
+G_M52482_IG08:
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowStartIndexArgumentOutOfRange_ArgumentOutOfRange_IndexMustBeLessOrEqual()
        call     [rax]System.ThrowHelper:ThrowStartIndexArgumentOutOfRange_ArgumentOutOfRange_IndexMustBeLessOrEqual()
        int3     
 						;; size=13 bbWeight=0 PerfScore 0.00
-G_M52482_IG08:
+G_M52482_IG09:
        mov      edi, 2
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentNullException(int)
        call     [rax]System.ThrowHelper:ThrowArgumentNullException(int)
        int3     
 						;; size=18 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 188, prolog size 15, PerfScore 30.50, instruction count 50, allocated bytes for code 188 (MethodHash=973a32fd) for method System.Array:IndexOf[System.Numerics.Vector`1[float]](System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int (FullOpts)
+; Total bytes of code 184, prolog size 21, PerfScore 29.00, instruction count 48, allocated bytes for code 184 (MethodHash=973a32fd) for method System.Array:IndexOf[System.Numerics.Vector`1[float]](System.Numerics.Vector`1[float][],System.Numerics.Vector`1[float],int,int):int (FullOpts)
 ; ============================================================

-1 (-0.54 % of base) - System.Array:IndexOf[double](double[],double,int,int):int

 ; Assembly listing for method System.Array:IndexOf[double](double[],double,int,int):int (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX512 - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
-; partially interruptible
+; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 4 single block inlinees; 1 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 arg0         [V00,T00] (  5,  5   )     ref  ->  rbx         class-hnd single-def <double[]>
-;  V01 arg1         [V01,T05] (  3,  3   )  double  ->  [rbp-0x20]  ld-addr-op single-def
+;  V01 arg1         [V01,T05] (  3,  3   )  double  ->  [rbp-0x20]  single-def
 ;  V02 arg2         [V02,T01] (  5,  5   )     int  ->  r15         single-def
 ;  V03 arg3         [V03,T02] (  4,  4   )     int  ->  r14         single-def
 ;* V04 loc0         [V04    ] (  0,  0   )     int  ->  zero-ref   
 ;* V05 loc1         [V05    ] (  0,  0   )     int  ->  zero-ref   
 ;* V06 loc2         [V06    ] (  0,  0   )     int  ->  zero-ref   
 ;* V07 loc3         [V07    ] (  0,  0   )     int  ->  zero-ref   
 ;# V08 OutArgs      [V08    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;* V09 tmp1         [V09    ] (  0,  0   )     int  ->  zero-ref   
 ;* V10 tmp2         [V10    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
 ;* V11 tmp3         [V11    ] (  0,  0   )    long  ->  zero-ref    "Inlining Arg"
 ;* V12 tmp4         [V12    ] (  0,  0   )     int  ->  zero-ref    "Inline return value spill temp"
-;  V13 tmp5         [V13,T03] (  2,  4   )     ref  ->  rdi         single-def "argument with side effect"
-;  V14 cse0         [V14,T04] (  3,  3   )     int  ->  rdi         "CSE #01: aggressive"
+;* V13 tmp5         [V13    ] (  0,  0   )    long  ->  zero-ref    "Inlining Arg"
+;  V14 tmp6         [V14,T03] (  2,  4   )     ref  ->  rdi         single-def "argument with side effect"
+;  V15 cse0         [V15,T04] (  3,  3   )     int  ->  rdi         "CSE #01: aggressive"
 ;
 ; Lcl frame size = 8
 
 G_M9300_IG01:
        push     rbp
        push     r15
        push     r14
        push     rbx
        push     rax
        lea      rbp, [rsp+0x20]
        vmovsd   qword ptr [rbp-0x20], xmm0
        mov      rbx, rdi
        mov      r15d, esi
        mov      r14d, edx
 						;; size=26 bbWeight=1 PerfScore 7.25
 G_M9300_IG02:
        test     rbx, rbx
        je       G_M9300_IG08
        mov      edi, dword ptr [rbx+0x08]
        cmp      edi, r15d
        jb       SHORT G_M9300_IG07
        sub      edi, r15d
        cmp      edi, r14d
        jb       SHORT G_M9300_IG06
        mov      rdi, 0xD1FFAB1E      ; global ptr
        test     byte  ptr [rdi], 1
        je       SHORT G_M9300_IG05
 						;; size=40 bbWeight=1 PerfScore 10.25
 G_M9300_IG03:
        mov      rdi, 0xD1FFAB1E      ; data for System.Collections.Generic.EqualityComparer`1[double]:<Default>k__BackingField
        mov      rdi, gword ptr [rdi]
        mov      rsi, rbx
        vmovsd   xmm0, qword ptr [rbp-0x20]
        mov      edx, r15d
        mov      ecx, r14d
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.GenericEqualityComparer`1[double]:IndexOf(double[],double,int,int):int:this
-       call     [rax]System.Collections.Generic.GenericEqualityComparer`1[double]:IndexOf(double[],double,int,int):int:this
-       nop      
-						;; size=40 bbWeight=1 PerfScore 9.50
+						;; size=37 bbWeight=1 PerfScore 6.25
 G_M9300_IG04:
        add      rsp, 8
        pop      rbx
        pop      r14
        pop      r15
        pop      rbp
-       ret      
-						;; size=11 bbWeight=1 PerfScore 3.25
+       tail.jmp [rax]System.Collections.Generic.GenericEqualityComparer`1[double]:IndexOf(double[],double,int,int):int:this
+						;; size=13 bbWeight=1 PerfScore 4.25
 G_M9300_IG05:
        mov      rdi, 0xD1FFAB1E      ; System.Collections.Generic.EqualityComparer`1[double]
        mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_GET_GCSTATIC_BASE
        call     [rax]CORINFO_HELP_GET_GCSTATIC_BASE
        jmp      SHORT G_M9300_IG03
 						;; size=24 bbWeight=0 PerfScore 0.00
 G_M9300_IG06:
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowCountArgumentOutOfRange_ArgumentOutOfRange_Count()
        call     [rax]System.ThrowHelper:ThrowCountArgumentOutOfRange_ArgumentOutOfRange_Count()
        int3     
 						;; size=13 bbWeight=0 PerfScore 0.00
 G_M9300_IG07:
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowStartIndexArgumentOutOfRange_ArgumentOutOfRange_IndexMustBeLessOrEqual()
        call     [rax]System.ThrowHelper:ThrowStartIndexArgumentOutOfRange_ArgumentOutOfRange_IndexMustBeLessOrEqual()
        int3     
 						;; size=13 bbWeight=0 PerfScore 0.00
 G_M9300_IG08:
        mov      edi, 2
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentNullException(int)
        call     [rax]System.ThrowHelper:ThrowArgumentNullException(int)
        int3     
 						;; size=18 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 185, prolog size 12, PerfScore 30.25, instruction count 50, allocated bytes for code 185 (MethodHash=8343dbab) for method System.Array:IndexOf[double](double[],double,int,int):int (FullOpts)
+; Total bytes of code 184, prolog size 26, PerfScore 28.00, instruction count 48, allocated bytes for code 184 (MethodHash=8343dbab) for method System.Array:IndexOf[double](double[],double,int,int):int (FullOpts)
 ; ============================================================

-1 (-0.44 % of base) - System.Array:LastIndexOf[double](double[],double,int,int):int

 ; Assembly listing for method System.Array:LastIndexOf[double](double[],double,int,int):int (FullOpts)
 ; Emitting BLENDED_CODE for X64 with AVX512 - Unix
 ; FullOpts code
 ; optimized code
 ; rbp based frame
-; partially interruptible
+; fully interruptible
 ; No PGO data
 ; 0 inlinees with PGO data; 3 single block inlinees; 0 inlinees without PGO data
 ; Final local variable assignments
 ;
 ;  V00 arg0         [V00,T01] (  5,  4.50)     ref  ->  r15         class-hnd single-def <double[]>
-;  V01 arg1         [V01,T05] (  3,  2.50)  double  ->  [rbp-0x20]  ld-addr-op single-def
+;  V01 arg1         [V01,T05] (  3,  2.50)  double  ->  [rbp-0x20]  single-def
 ;  V02 arg2         [V02,T00] (  7,  4.50)     int  ->  rbx         single-def
 ;  V03 arg3         [V03,T02] (  6,  4   )     int  ->  r14         single-def
 ;* V04 loc0         [V04    ] (  0,  0   )     int  ->  zero-ref   
 ;* V05 loc1         [V05    ] (  0,  0   )     int  ->  zero-ref   
 ;* V06 loc2         [V06    ] (  0,  0   )     int  ->  zero-ref   
 ;* V07 loc3         [V07    ] (  0,  0   )     int  ->  zero-ref   
 ;* V08 loc4         [V08    ] (  0,  0   )     int  ->  zero-ref   
 ;* V09 loc5         [V09    ] (  0,  0   )     int  ->  zero-ref   
 ;* V10 loc6         [V10    ] (  0,  0   )     int  ->  zero-ref   
 ;* V11 loc7         [V11    ] (  0,  0   )     int  ->  zero-ref   
 ;# V12 OutArgs      [V12    ] (  1,  1   )  struct ( 0) [rsp+0x00]  do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
 ;* V13 tmp1         [V13    ] (  0,  0   )     int  ->  zero-ref   
 ;* V14 tmp2         [V14    ] (  0,  0   )   byref  ->  zero-ref    "Inlining Arg"
 ;* V15 tmp3         [V15    ] (  0,  0   )    long  ->  zero-ref    "Inlining Arg"
 ;  V16 tmp4         [V16,T04] (  2,  2   )     ref  ->  rdi         single-def "argument with side effect"
 ;  V17 cse0         [V17,T03] (  3,  2.50)     int  ->  rdi         "CSE #01: aggressive"
 ;
 ; Lcl frame size = 8
 
 G_M61022_IG01:
        push     rbp
        push     r15
        push     r14
        push     rbx
        push     rax
        lea      rbp, [rsp+0x20]
        vmovsd   qword ptr [rbp-0x20], xmm0
        mov      r15, rdi
        mov      ebx, esi
        mov      r14d, edx
 						;; size=25 bbWeight=1 PerfScore 7.25
 G_M61022_IG02:
        test     r15, r15
        je       G_M61022_IG12
        mov      edi, dword ptr [r15+0x08]
        test     edi, edi
        je       SHORT G_M61022_IG06
 						;; size=17 bbWeight=1 PerfScore 4.50
 G_M61022_IG03:
        cmp      edi, ebx
        jbe      G_M61022_IG11
        mov      edi, ebx
        sub      edi, r14d
        inc      edi
        or       edi, r14d
        jl       SHORT G_M61022_IG10
        mov      rdi, 0xD1FFAB1E      ; global ptr
        test     byte  ptr [rdi], 1
        je       SHORT G_M61022_IG09
 						;; size=35 bbWeight=0.50 PerfScore 3.75
 G_M61022_IG04:
        mov      rdi, 0xD1FFAB1E      ; data for System.Collections.Generic.EqualityComparer`1[double]:<Default>k__BackingField
        mov      rdi, gword ptr [rdi]
        mov      rsi, r15
        vmovsd   xmm0, qword ptr [rbp-0x20]
        mov      edx, ebx
        mov      ecx, r14d
        mov      rax, 0xD1FFAB1E      ; code for System.Collections.Generic.GenericEqualityComparer`1[double]:LastIndexOf(double[],double,int,int):int:this
-       call     [rax]System.Collections.Generic.GenericEqualityComparer`1[double]:LastIndexOf(double[],double,int,int):int:this
-       nop      
-						;; size=39 bbWeight=0.50 PerfScore 4.75
+						;; size=36 bbWeight=0.50 PerfScore 3.12
 G_M61022_IG05:
        add      rsp, 8
        pop      rbx
        pop      r14
        pop      r15
        pop      rbp
-       ret      
-						;; size=11 bbWeight=0.50 PerfScore 1.62
+       tail.jmp [rax]System.Collections.Generic.GenericEqualityComparer`1[double]:LastIndexOf(double[],double,int,int):int:this
+						;; size=13 bbWeight=0.50 PerfScore 2.12
 G_M61022_IG06:
        cmp      ebx, -1
        je       SHORT G_M61022_IG07
        test     ebx, ebx
        jne      SHORT G_M61022_IG11
 						;; size=9 bbWeight=0.50 PerfScore 1.25
 G_M61022_IG07:
        test     r14d, r14d
        jne      SHORT G_M61022_IG10
        mov      eax, -1
 						;; size=10 bbWeight=0.50 PerfScore 0.75
 G_M61022_IG08:
        add      rsp, 8
        pop      rbx
        pop      r14
        pop      r15
        pop      rbp
        ret      
 						;; size=11 bbWeight=0.50 PerfScore 1.62
 G_M61022_IG09:
        mov      rdi, 0xD1FFAB1E      ; System.Collections.Generic.EqualityComparer`1[double]
        mov      rax, 0xD1FFAB1E      ; code for CORINFO_HELP_GET_GCSTATIC_BASE
        call     [rax]CORINFO_HELP_GET_GCSTATIC_BASE
        jmp      SHORT G_M61022_IG04
 						;; size=24 bbWeight=0 PerfScore 0.00
 G_M61022_IG10:
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowCountArgumentOutOfRange_ArgumentOutOfRange_Count()
        call     [rax]System.ThrowHelper:ThrowCountArgumentOutOfRange_ArgumentOutOfRange_Count()
        int3     
 						;; size=13 bbWeight=0 PerfScore 0.00
 G_M61022_IG11:
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowStartIndexArgumentOutOfRange_ArgumentOutOfRange_IndexMustBeLess()
        call     [rax]System.ThrowHelper:ThrowStartIndexArgumentOutOfRange_ArgumentOutOfRange_IndexMustBeLess()
        int3     
 						;; size=13 bbWeight=0 PerfScore 0.00
 G_M61022_IG12:
        mov      edi, 2
        mov      rax, 0xD1FFAB1E      ; code for System.ThrowHelper:ThrowArgumentNullException(int)
        call     [rax]System.ThrowHelper:ThrowArgumentNullException(int)
        int3     
 						;; size=18 bbWeight=0 PerfScore 0.00
 
-; Total bytes of code 225, prolog size 12, PerfScore 25.50, instruction count 67, allocated bytes for code 225 (MethodHash=b45111a1) for method System.Array:LastIndexOf[double](double[],double,int,int):int (FullOpts)
+; Total bytes of code 224, prolog size 25, PerfScore 24.38, instruction count 65, allocated bytes for code 224 (MethodHash=b45111a1) for method System.Array:LastIndexOf[double](double[],double,int,int):int (FullOpts)
 ; ============================================================

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