forked from NUDT-compiler/nudt-compiler-cpp
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335 lines
5.5 KiB
335 lines
5.5 KiB
.data
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.globl crc32table
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.p2align 2
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crc32table:
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.zero 1024
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.globl a
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.p2align 2
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a:
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.zero 400080
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.text
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.globl _and
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.p2align 2
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_and:
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.L._and.0:
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stp x29, x30, [sp, #-16]!
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mov x29, sp
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sub sp, sp, #48
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str x21, [sp, #0]
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str x19, [sp, #8]
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str x20, [sp, #16]
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mov w8, w0
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mov w9, w1
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mov w19, w9
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mov w21, w8
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mov w8, #1
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mov w12, w8
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mov w8, #0
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mov w20, w8
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mov w8, #32
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mov w15, w8
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b .L._and.1
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.L._and.1:
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mov w8, #0
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cmp w15, w8
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b.ne .L._and.2
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b .L._and.3
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.L._and.2:
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mov w8, #2
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add w8, w21, #1
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cmp w21, #0
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csel w8, w8, w21, lt
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asr w8, w8, #1
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mov w9, #2
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msub w10, w8, w9, w21
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add w8, w19, #1
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cmp w19, #0
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csel w8, w8, w19, lt
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asr w9, w8, #1
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mov w8, #2
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msub w11, w9, w8, w19
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add w8, w21, #1
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cmp w21, #0
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csel w8, w8, w21, lt
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asr w21, w8, #1
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add w8, w19, #1
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cmp w19, #0
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csel w8, w8, w19, lt
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asr w8, w8, #1
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mov w9, #1
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cmp w10, w9
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b.eq .L._and.6
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mov w10, w20
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b .L._and.5
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.L._and.3:
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mov w0, w20
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ldr x21, [sp, #0]
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ldr x19, [sp, #8]
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ldr x20, [sp, #16]
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add sp, sp, #48
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ldp x29, x30, [sp], #16
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ret
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.L._and.4:
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add w9, w20, w12
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mov w10, w9
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b .L._and.5
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.L._and.5:
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mov w9, #2
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lsl w9, w12, #1
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mov w11, #1
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sub w11, w15, w11
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mov w19, w8
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mov w12, w9
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mov w20, w10
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mov w15, w11
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b .L._and.1
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.L._and.6:
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mov w9, #1
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cmp w11, w9
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b.eq .L._and.4
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mov w10, w20
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b .L._and.5
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.text
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.globl _xor
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.p2align 2
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_xor:
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.L._xor.0:
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stp x29, x30, [sp, #-16]!
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mov x29, sp
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sub sp, sp, #32
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str x20, [sp, #0]
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str x19, [sp, #8]
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mov w8, w0
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mov w9, w1
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mov w19, w9
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mov w20, w8
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mov w8, #1
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mov w15, w8
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mov w8, #0
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mov w9, w8
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mov w8, #32
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mov w12, w8
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b .L._xor.1
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.L._xor.1:
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mov w8, #0
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cmp w12, w8
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b.ne .L._xor.2
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b .L._xor.3
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.L._xor.2:
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mov w8, #2
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add w8, w20, #1
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cmp w20, #0
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csel w8, w8, w20, lt
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asr w8, w8, #1
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mov w10, #2
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msub w11, w8, w10, w20
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add w8, w19, #1
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cmp w19, #0
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csel w8, w8, w19, lt
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asr w8, w8, #1
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mov w10, #2
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msub w10, w8, w10, w19
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add w8, w20, #1
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cmp w20, #0
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csel w8, w8, w20, lt
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asr w20, w8, #1
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add w8, w19, #1
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cmp w19, #0
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csel w8, w8, w19, lt
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asr w8, w8, #1
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cmp w11, w10
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b.ne .L._xor.4
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mov w11, w9
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b .L._xor.5
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.L._xor.3:
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mov w0, w9
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ldr x20, [sp, #0]
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ldr x19, [sp, #8]
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add sp, sp, #32
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ldp x29, x30, [sp], #16
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ret
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.L._xor.4:
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add w9, w9, w15
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mov w11, w9
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b .L._xor.5
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.L._xor.5:
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mov w9, #2
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lsl w9, w15, #1
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mov w10, #1
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sub w10, w12, w10
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mov w19, w8
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mov w15, w9
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mov w9, w11
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mov w12, w10
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b .L._xor.1
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.text
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.globl rotr8
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.p2align 2
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rotr8:
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.L.rotr8.0:
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stp x29, x30, [sp, #-16]!
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mov x29, sp
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mov w8, w0
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mov w9, #256
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add w9, w8, #255
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cmp w8, #0
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csel w8, w9, w8, lt
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asr w8, w8, #8
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mov w0, w8
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ldp x29, x30, [sp], #16
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ret
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.text
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.globl crc32
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.p2align 2
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crc32:
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.L.crc32.0:
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stp x29, x30, [sp, #-16]!
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mov x29, sp
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sub sp, sp, #64
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str x19, [sp, #0]
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str x20, [sp, #8]
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str x21, [sp, #16]
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str x22, [sp, #24]
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str x23, [sp, #32]
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mov w8, w0
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mov x21, x1
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mov w23, w2
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mov w22, w8
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mov w8, #0
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mov w20, w8
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b .L.crc32.1
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.L.crc32.1:
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cmp w20, w23
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b.lt .L.crc32.2
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b .L.crc32.3
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.L.crc32.2:
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mov w0, w22
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mov w8, #255
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mov w1, w8
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bl _and
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mov w9, w0
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sxtw x8, w20
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lsl x8, x8, #2
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add x8, x21, x8
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ldr w8, [x8]
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mov w0, w9
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mov w1, w8
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bl _xor
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mov w19, w0
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mov w0, w22
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bl rotr8
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mov w10, w0
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adrp x9, crc32table
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add x9, x9, :lo12:crc32table
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sxtw x8, w19
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lsl x8, x8, #2
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add x8, x9, x8
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ldr w8, [x8]
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mov w0, w10
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mov w1, w8
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bl _xor
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mov w9, w0
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mov w8, #1
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add w8, w20, w8
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mov w22, w9
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mov w20, w8
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b .L.crc32.1
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.L.crc32.3:
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mov w0, w22
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ldr x19, [sp, #0]
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ldr x20, [sp, #8]
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ldr x21, [sp, #16]
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ldr x22, [sp, #24]
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ldr x23, [sp, #32]
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add sp, sp, #64
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ldp x29, x30, [sp], #16
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ret
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.text
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.globl main
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.p2align 2
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main:
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.L.main.0:
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stp x29, x30, [sp, #-16]!
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mov x29, sp
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sub sp, sp, #32
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str x20, [sp, #0]
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str x19, [sp, #8]
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adrp x8, a
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add x8, x8, :lo12:a
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mov x0, x8
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bl getarray
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mov w19, w0
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mov w8, #0
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mov w11, w8
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b .L.main.1
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.L.main.1:
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mov w8, #256
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cmp w11, w8
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b.lt .L.main.2
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b .L.main.3
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.L.main.2:
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movz w8, #58769
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movk w8, #293, lsl #16
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add w10, w8, w11
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adrp x9, crc32table
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add x9, x9, :lo12:crc32table
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sxtw x8, w11
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lsl x8, x8, #2
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add x8, x9, x8
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str w10, [x8]
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mov w8, #1
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add w8, w11, w8
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mov w11, w8
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b .L.main.1
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.L.main.3:
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mov w8, #68
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mov w0, w8
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bl _sysy_starttime
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mov w8, #0
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mov w20, w8
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b .L.main.4
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.L.main.4:
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mov w8, #0
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cmp w19, w8
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b.ne .L.main.5
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b .L.main.6
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.L.main.5:
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mov w8, #0
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mov w0, w8
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adrp x8, a
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add x8, x8, :lo12:a
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mov x1, x8
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mov w2, w19
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bl crc32
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mov w9, w0
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movz w8, #58769
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movk w8, #293, lsl #16
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sdiv w14, w9, w8
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msub w9, w14, w8, w9
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mov w8, #1
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sub w8, w19, w8
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mov w20, w9
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mov w19, w8
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b .L.main.4
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.L.main.6:
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mov w8, #73
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mov w0, w8
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bl _sysy_stoptime
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mov w0, w20
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bl putint
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mov w8, #10
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mov w0, w8
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bl putch
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mov w8, #0
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mov w0, w8
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ldr x20, [sp, #0]
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ldr x19, [sp, #8]
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add sp, sp, #32
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ldp x29, x30, [sp], #16
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ret
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