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hash
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crc32
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crc32.go
(7.85 KB)
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crc32_amd64.go
(6.78 KB)
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crc32_amd64.s
(5.4 KB)
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crc32_arm64.go
(1.18 KB)
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crc32_arm64.s
(1.46 KB)
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crc32_generic.go
(2.52 KB)
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crc32_otherarch.go
(721 B)
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crc32_ppc64le.go
(2.24 KB)
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crc32_ppc64le.s
(13.63 KB)
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crc32_s390x.go
(2.08 KB)
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crc32_s390x.s
(7.61 KB)
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crc32_table_ppc64le.s
(113.32 KB)
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crc32_test.go
(12.02 KB)
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example_test.go
(1 KB)
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gen_const_ppc64le.go
(4.5 KB)
Editing: crc32_arm64.s
// Copyright 2017 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. #include "textflag.h" // castagnoliUpdate updates the non-inverted crc with the given data. // func castagnoliUpdate(crc uint32, p []byte) uint32 TEXT ·castagnoliUpdate(SB),NOSPLIT,$0-36 MOVWU crc+0(FP), R9 // CRC value MOVD p+8(FP), R13 // data pointer MOVD p_len+16(FP), R11 // len(p) CMP $8, R11 BLT less_than_8 update: MOVD.P 8(R13), R10 CRC32CX R10, R9 SUB $8, R11 CMP $8, R11 BLT less_than_8 JMP update less_than_8: TBZ $2, R11, less_than_4 MOVWU.P 4(R13), R10 CRC32CW R10, R9 less_than_4: TBZ $1, R11, less_than_2 MOVHU.P 2(R13), R10 CRC32CH R10, R9 less_than_2: TBZ $0, R11, done MOVBU (R13), R10 CRC32CB R10, R9 done: MOVWU R9, ret+32(FP) RET // ieeeUpdate updates the non-inverted crc with the given data. // func ieeeUpdate(crc uint32, p []byte) uint32 TEXT ·ieeeUpdate(SB),NOSPLIT,$0-36 MOVWU crc+0(FP), R9 // CRC value MOVD p+8(FP), R13 // data pointer MOVD p_len+16(FP), R11 // len(p) CMP $8, R11 BLT less_than_8 update: MOVD.P 8(R13), R10 CRC32X R10, R9 SUB $8, R11 CMP $8, R11 BLT less_than_8 JMP update less_than_8: TBZ $2, R11, less_than_4 MOVWU.P 4(R13), R10 CRC32W R10, R9 less_than_4: TBZ $1, R11, less_than_2 MOVHU.P 2(R13), R10 CRC32H R10, R9 less_than_2: TBZ $0, R11, done MOVBU (R13), R10 CRC32B R10, R9 done: MOVWU R9, ret+32(FP) RET
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