diff options
Diffstat (limited to 'vendor/github.com/klauspost/crc32/crc32_arm64.s')
| -rw-r--r-- | vendor/github.com/klauspost/crc32/crc32_arm64.s | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/vendor/github.com/klauspost/crc32/crc32_arm64.s b/vendor/github.com/klauspost/crc32/crc32_arm64.s deleted file mode 100644 index e82778f7b..000000000 --- a/vendor/github.com/klauspost/crc32/crc32_arm64.s +++ /dev/null @@ -1,97 +0,0 @@ -// 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) - -update: - CMP $16, R11 - BLT less_than_16 - LDP.P 16(R13), (R8, R10) - CRC32CX R8, R9 - CRC32CX R10, R9 - SUB $16, R11 - - JMP update - -less_than_16: - TBZ $3, R11, less_than_8 - - MOVD.P 8(R13), R10 - CRC32CX R10, R9 - -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) - -update: - CMP $16, R11 - BLT less_than_16 - LDP.P 16(R13), (R8, R10) - CRC32X R8, R9 - CRC32X R10, R9 - SUB $16, R11 - - JMP update - -less_than_16: - TBZ $3, R11, less_than_8 - - MOVD.P 8(R13), R10 - CRC32X R10, R9 - -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 |