aarch64_vector128_store_aligned

// aligned

G_M20155_IG01:
            stp     fp, lr, [sp,#-32]!
            str     x19, [sp,#24]
            mov     fp, sp
						;; size=12 bbWeight=1    PerfScore 2.50
G_M20155_IG02:
            ld1     {v16.8h}, [x0]
            umaxp   v17.8h, v16.8h, v16.8h
            umov    x3, v17.d[0]
            tst     x3, #0xd1ffab1e
            bne     G_M20155_IG04
						;; size=20 bbWeight=1    PerfScore 6.50
G_M20155_IG03:
            mov     x3, x1
            uzp1    v16.16b, v16.16b, v16.16b
            st1     {v16.8b}, [x3]
            mov     x4, #8
            tbnz    w1, #3, G_M20155_IG06
            add     x5, x0, #16
            ld1     {v16.8h}, [x5]
            umaxp   v17.8h, v16.8h, v16.8h
            umov    x5, v17.d[0]
            tst     x5, #0xd1ffab1e
            bne     G_M20155_IG08
            uzp1    v16.16b, v16.16b, v16.16b
            add     x4, x3, #8
            st1     {v16.8b}, [x4]
            b       G_M20155_IG06
            align   [4 bytes for IG07]
            align   [0 bytes]
            align   [0 bytes]
            align   [0 bytes]
						;; size=64 bbWeight=0.50 PerfScore 7.25
G_M20155_IG04:
            mov     x0, xzr
						;; size=4 bbWeight=0.50 PerfScore 0.25
G_M20155_IG05:
            ldr     x19, [sp,#24]
            ldp     fp, lr, [sp],#32
            ret     lr
						;; size=12 bbWeight=0.50 PerfScore 2.00
G_M20155_IG06:
            and     x4, x1, #15
            mov     x5, #16
            sub     x4, x5, x4
            sub     x2, x2, #16
						;; size=16 bbWeight=0.50 PerfScore 1.00
G_M20155_IG07:
            lsl     x5, x4, #1
            ldr     q16, [x0, x5]
            add     x5, x4, #8
            lsl     x6, x5, #1
            ldr     q17, [x0, x6]
            orr     v18.8h, v16.8h, v17.8h
            umaxp   v18.8h, v18.8h, v18.8h
            umov    x6, v18.d[0]
            tst     x6, #0xd1ffab1e
            bne     G_M20155_IG10
            uzp1    v16.16b, v16.16b, v17.16b
            add     x5, x1, x4
            tst     w5, #15
            bne     G_M20155_IG11
            str     q16, [x5]
            add     x4, x4, #16
            cmp     x4, x2
            bls     G_M20155_IG07
						;; size=72 bbWeight=4    PerfScore 74.00
G_M20155_IG08:
            mov     x0, x4
						;; size=4 bbWeight=0.50 PerfScore 0.25
G_M20155_IG09:
            ldr     x19, [sp,#24]
            ldp     fp, lr, [sp],#32
            ret     lr
						;; size=12 bbWeight=0.50 PerfScore 2.00
G_M20155_IG10:
            umaxp   v17.8h, v16.8h, v16.8h
            umov    x0, v17.d[0]
            tst     x0, #0xd1ffab1e
            bne     G_M20155_IG08
            add     x4, x3, x4
            uzp1    v16.16b, v16.16b, v16.16b
            st1     {v16.8b}, [x4]
            mov     x4, x5
            b       G_M20155_IG08
						;; size=36 bbWeight=0.50 PerfScore 3.75
G_M20155_IG11:
            movz    x0, #0xd1ffab1e
            movk    x0, #0xd1ffab1e LSL #16
            movk    x0, #0xd1ffab1e LSL #32
            bl      CORINFO_HELP_NEWSFAST
            mov     x19, x0
            movz    x1, #0xd1ffab1e      // code for System.AccessViolationException:.ctor
            movk    x1, #0xd1ffab1e LSL #16
            movk    x1, #0xd1ffab1e LSL #32
            ldr     x1, [x1]
            blr     x1
            mov     x0, x19
            bl      CORINFO_HELP_THROW
            brk_unix #0
						;; size=52 bbWeight=0    PerfScore 0.00

; Total bytes of code 304, prolog size 12, PerfScore 129.90, instruction count 79, allocated bytes for code 304 (MethodHash=74c3b144) for method System.Text.Tests.Demo:NarrowUtf16ToAscii_Intrinsified(long,long,long):long
; ============================================================