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authorAditya R <arajan@redhat.com>2022-01-20 12:40:07 +0530
committerAditya R <arajan@redhat.com>2022-01-20 12:40:11 +0530
commit2c492be00a13bfbc389d2b1b97c6bf91520e280e (patch)
treea0603d66b29dcc9ab91354ef583ba5e349f8409f /vendor/github.com/klauspost/compress
parentf46478c1e9af601759e341de76d4c655b4a66068 (diff)
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vendor: bump c/common and other vendors
This commit bumps majorly c/common so netavark features could be synced with podman. But there are some other vendor bumps as well [NO NEW TESTS NEEDED] [NO TESTS NEEDED] Signed-off-by: Aditya R <arajan@redhat.com>
Diffstat (limited to 'vendor/github.com/klauspost/compress')
-rw-r--r--vendor/github.com/klauspost/compress/.goreleaser.yml4
-rw-r--r--vendor/github.com/klauspost/compress/README.md14
-rw-r--r--vendor/github.com/klauspost/compress/flate/deflate.go133
-rw-r--r--vendor/github.com/klauspost/compress/flate/fast_encoder.go2
-rw-r--r--vendor/github.com/klauspost/compress/flate/huffman_bit_writer.go189
-rw-r--r--vendor/github.com/klauspost/compress/flate/inflate.go9
-rw-r--r--vendor/github.com/klauspost/compress/huff0/decompress.go234
-rw-r--r--vendor/github.com/klauspost/compress/zstd/bitreader.go15
-rw-r--r--vendor/github.com/klauspost/compress/zstd/bitwriter.go22
-rw-r--r--vendor/github.com/klauspost/compress/zstd/blockenc.go108
-rw-r--r--vendor/github.com/klauspost/compress/zstd/enc_base.go24
-rw-r--r--vendor/github.com/klauspost/compress/zstd/enc_fast.go139
-rw-r--r--vendor/github.com/klauspost/compress/zstd/fse_decoder.go2
-rw-r--r--vendor/github.com/klauspost/compress/zstd/fse_encoder.go5
-rw-r--r--vendor/github.com/klauspost/compress/zstd/internal/xxhash/xxhash_arm64.s189
-rw-r--r--vendor/github.com/klauspost/compress/zstd/internal/xxhash/xxhash_asm.go (renamed from vendor/github.com/klauspost/compress/zstd/internal/xxhash/xxhash_amd64.go)7
-rw-r--r--vendor/github.com/klauspost/compress/zstd/internal/xxhash/xxhash_other.go4
-rw-r--r--vendor/github.com/klauspost/compress/zstd/seqdec.go4
18 files changed, 704 insertions, 400 deletions
diff --git a/vendor/github.com/klauspost/compress/.goreleaser.yml b/vendor/github.com/klauspost/compress/.goreleaser.yml
index c9014ce1d..0af08e65e 100644
--- a/vendor/github.com/klauspost/compress/.goreleaser.yml
+++ b/vendor/github.com/klauspost/compress/.goreleaser.yml
@@ -3,6 +3,7 @@
before:
hooks:
- ./gen.sh
+ - go install mvdan.cc/garble@latest
builds:
-
@@ -31,6 +32,7 @@ builds:
- mips64le
goarm:
- 7
+ gobinary: garble
-
id: "s2d"
binary: s2d
@@ -57,6 +59,7 @@ builds:
- mips64le
goarm:
- 7
+ gobinary: garble
-
id: "s2sx"
binary: s2sx
@@ -84,6 +87,7 @@ builds:
- mips64le
goarm:
- 7
+ gobinary: garble
archives:
-
diff --git a/vendor/github.com/klauspost/compress/README.md b/vendor/github.com/klauspost/compress/README.md
index 3429879eb..e8ff994f8 100644
--- a/vendor/github.com/klauspost/compress/README.md
+++ b/vendor/github.com/klauspost/compress/README.md
@@ -17,6 +17,13 @@ This package provides various compression algorithms.
# changelog
+* Jan 11, 2022 (v1.14.1)
+ * s2: Add stream index in [#462](https://github.com/klauspost/compress/pull/462)
+ * flate: Speed and efficiency improvements in [#439](https://github.com/klauspost/compress/pull/439) [#461](https://github.com/klauspost/compress/pull/461) [#455](https://github.com/klauspost/compress/pull/455) [#452](https://github.com/klauspost/compress/pull/452) [#458](https://github.com/klauspost/compress/pull/458)
+ * zstd: Performance improvement in [#420]( https://github.com/klauspost/compress/pull/420) [#456](https://github.com/klauspost/compress/pull/456) [#437](https://github.com/klauspost/compress/pull/437) [#467](https://github.com/klauspost/compress/pull/467) [#468](https://github.com/klauspost/compress/pull/468)
+ * zstd: add arm64 xxhash assembly in [#464](https://github.com/klauspost/compress/pull/464)
+ * Add garbled for binaries for s2 in [#445](https://github.com/klauspost/compress/pull/445)
+
* Aug 30, 2021 (v1.13.5)
* gz/zlib/flate: Alias stdlib errors [#425](https://github.com/klauspost/compress/pull/425)
* s2: Add block support to commandline tools [#413](https://github.com/klauspost/compress/pull/413)
@@ -432,6 +439,13 @@ For more information see my blog post on [Fast Linear Time Compression](http://b
This is implemented on Go 1.7 as "Huffman Only" mode, though not exposed for gzip.
+# Other packages
+
+Here are other packages of good quality and pure Go (no cgo wrappers or autoconverted code):
+
+* [github.com/pierrec/lz4](https://github.com/pierrec/lz4) - strong multithreaded LZ4 compression.
+* [github.com/cosnicolaou/pbzip2](https://github.com/cosnicolaou/pbzip2) - multithreaded bzip2 decompression.
+* [github.com/dsnet/compress](https://github.com/dsnet/compress) - brotli decompression, bzip2 writer.
# license
diff --git a/vendor/github.com/klauspost/compress/flate/deflate.go b/vendor/github.com/klauspost/compress/flate/deflate.go
index 5283ac5a5..b27f5a93b 100644
--- a/vendor/github.com/klauspost/compress/flate/deflate.go
+++ b/vendor/github.com/klauspost/compress/flate/deflate.go
@@ -6,9 +6,13 @@
package flate
import (
+ "encoding/binary"
"fmt"
"io"
"math"
+ "math/bits"
+
+ comp "github.com/klauspost/compress"
)
const (
@@ -37,15 +41,17 @@ const (
maxMatchLength = 258 // The longest match for the compressor
minOffsetSize = 1 // The shortest offset that makes any sense
- // The maximum number of tokens we put into a single flat block, just too
- // stop things from getting too large.
- maxFlateBlockTokens = 1 << 14
+ // The maximum number of tokens we will encode at the time.
+ // Smaller sizes usually creates less optimal blocks.
+ // Bigger can make context switching slow.
+ // We use this for levels 7-9, so we make it big.
+ maxFlateBlockTokens = 1 << 15
maxStoreBlockSize = 65535
hashBits = 17 // After 17 performance degrades
hashSize = 1 << hashBits
hashMask = (1 << hashBits) - 1
hashShift = (hashBits + minMatchLength - 1) / minMatchLength
- maxHashOffset = 1 << 24
+ maxHashOffset = 1 << 28
skipNever = math.MaxInt32
@@ -70,9 +76,9 @@ var levels = []compressionLevel{
{0, 0, 0, 0, 0, 6},
// Levels 7-9 use increasingly more lazy matching
// and increasingly stringent conditions for "good enough".
- {8, 8, 24, 16, skipNever, 7},
- {10, 16, 24, 64, skipNever, 8},
- {32, 258, 258, 4096, skipNever, 9},
+ {6, 10, 12, 16, skipNever, 7},
+ {10, 24, 32, 64, skipNever, 8},
+ {32, 258, 258, 1024, skipNever, 9},
}
// advancedState contains state for the advanced levels, with bigger hash tables, etc.
@@ -93,8 +99,9 @@ type advancedState struct {
hashOffset int
// input window: unprocessed data is window[index:windowEnd]
- index int
- hashMatch [maxMatchLength + minMatchLength]uint32
+ index int
+ estBitsPerByte int
+ hashMatch [maxMatchLength + minMatchLength]uint32
hash uint32
ii uint16 // position of last match, intended to overflow to reset.
@@ -170,7 +177,8 @@ func (d *compressor) writeBlock(tok *tokens, index int, eof bool) error {
window = d.window[d.blockStart:index]
}
d.blockStart = index
- d.w.writeBlock(tok, eof, window)
+ //d.w.writeBlock(tok, eof, window)
+ d.w.writeBlockDynamic(tok, eof, window, d.sync)
return d.w.err
}
return nil
@@ -263,7 +271,7 @@ func (d *compressor) fillWindow(b []byte) {
// Try to find a match starting at index whose length is greater than prevSize.
// We only look at chainCount possibilities before giving up.
// pos = s.index, prevHead = s.chainHead-s.hashOffset, prevLength=minMatchLength-1, lookahead
-func (d *compressor) findMatch(pos int, prevHead int, prevLength int, lookahead int) (length, offset int, ok bool) {
+func (d *compressor) findMatch(pos int, prevHead int, lookahead, bpb int) (length, offset int, ok bool) {
minMatchLook := maxMatchLength
if lookahead < minMatchLook {
minMatchLook = lookahead
@@ -279,36 +287,43 @@ func (d *compressor) findMatch(pos int, prevHead int, prevLength int, lookahead
// If we've got a match that's good enough, only look in 1/4 the chain.
tries := d.chain
- length = prevLength
- if length >= d.good {
- tries >>= 2
- }
+ length = minMatchLength - 1
wEnd := win[pos+length]
wPos := win[pos:]
minIndex := pos - windowSize
+ if minIndex < 0 {
+ minIndex = 0
+ }
+ offset = 0
+ // Base is 4 bytes at with an additional cost.
+ // Matches must be better than this.
+ cGain := minMatchLength*bpb - 12
for i := prevHead; tries > 0; tries-- {
if wEnd == win[i+length] {
n := matchLen(win[i:i+minMatchLook], wPos)
-
- if n > length && (n > minMatchLength || pos-i <= 4096) {
- length = n
- offset = pos - i
- ok = true
- if n >= nice {
- // The match is good enough that we don't try to find a better one.
- break
+ if n > length {
+ newGain := n*bpb - bits.Len32(uint32(pos-i))
+ if newGain > cGain {
+ length = n
+ offset = pos - i
+ cGain = newGain
+ ok = true
+ if n >= nice {
+ // The match is good enough that we don't try to find a better one.
+ break
+ }
+ wEnd = win[pos+n]
}
- wEnd = win[pos+n]
}
}
- if i == minIndex {
+ if i <= minIndex {
// hashPrev[i & windowMask] has already been overwritten, so stop now.
break
}
i = int(d.state.hashPrev[i&windowMask]) - d.state.hashOffset
- if i < minIndex || i < 0 {
+ if i < minIndex {
break
}
}
@@ -327,8 +342,7 @@ func (d *compressor) writeStoredBlock(buf []byte) error {
// of the supplied slice.
// The caller must ensure that len(b) >= 4.
func hash4(b []byte) uint32 {
- b = b[:4]
- return hash4u(uint32(b[3])|uint32(b[2])<<8|uint32(b[1])<<16|uint32(b[0])<<24, hashBits)
+ return hash4u(binary.LittleEndian.Uint32(b), hashBits)
}
// bulkHash4 will compute hashes using the same
@@ -337,11 +351,12 @@ func bulkHash4(b []byte, dst []uint32) {
if len(b) < 4 {
return
}
- hb := uint32(b[3]) | uint32(b[2])<<8 | uint32(b[1])<<16 | uint32(b[0])<<24
+ hb := binary.LittleEndian.Uint32(b)
+
dst[0] = hash4u(hb, hashBits)
end := len(b) - 4 + 1
for i := 1; i < end; i++ {
- hb = (hb << 8) | uint32(b[i+3])
+ hb = (hb >> 8) | uint32(b[i+3])<<24
dst[i] = hash4u(hb, hashBits)
}
}
@@ -374,10 +389,15 @@ func (d *compressor) deflateLazy() {
if d.windowEnd-s.index < minMatchLength+maxMatchLength && !d.sync {
return
}
+ s.estBitsPerByte = 8
+ if !d.sync {
+ s.estBitsPerByte = comp.ShannonEntropyBits(d.window[s.index:d.windowEnd])
+ s.estBitsPerByte = int(1 + float64(s.estBitsPerByte)/float64(d.windowEnd-s.index))
+ }
s.maxInsertIndex = d.windowEnd - (minMatchLength - 1)
if s.index < s.maxInsertIndex {
- s.hash = hash4(d.window[s.index : s.index+minMatchLength])
+ s.hash = hash4(d.window[s.index:])
}
for {
@@ -410,7 +430,7 @@ func (d *compressor) deflateLazy() {
}
if s.index < s.maxInsertIndex {
// Update the hash
- s.hash = hash4(d.window[s.index : s.index+minMatchLength])
+ s.hash = hash4(d.window[s.index:])
ch := s.hashHead[s.hash&hashMask]
s.chainHead = int(ch)
s.hashPrev[s.index&windowMask] = ch
@@ -426,12 +446,37 @@ func (d *compressor) deflateLazy() {
}
if s.chainHead-s.hashOffset >= minIndex && lookahead > prevLength && prevLength < d.lazy {
- if newLength, newOffset, ok := d.findMatch(s.index, s.chainHead-s.hashOffset, minMatchLength-1, lookahead); ok {
+ if newLength, newOffset, ok := d.findMatch(s.index, s.chainHead-s.hashOffset, lookahead, s.estBitsPerByte); ok {
s.length = newLength
s.offset = newOffset
}
}
+
if prevLength >= minMatchLength && s.length <= prevLength {
+ // Check for better match at end...
+ //
+ // checkOff must be >=2 since we otherwise risk checking s.index
+ // Offset of 2 seems to yield best results.
+ const checkOff = 2
+ prevIndex := s.index - 1
+ if prevIndex+prevLength+checkOff < s.maxInsertIndex {
+ end := lookahead
+ if lookahead > maxMatchLength {
+ end = maxMatchLength
+ }
+ end += prevIndex
+ idx := prevIndex + prevLength - (4 - checkOff)
+ h := hash4(d.window[idx:])
+ ch2 := int(s.hashHead[h&hashMask]) - s.hashOffset - prevLength + (4 - checkOff)
+ if ch2 > minIndex {
+ length := matchLen(d.window[prevIndex:end], d.window[ch2:])
+ // It seems like a pure length metric is best.
+ if length > prevLength {
+ prevLength = length
+ prevOffset = prevIndex - ch2
+ }
+ }
+ }
// There was a match at the previous step, and the current match is
// not better. Output the previous match.
d.tokens.AddMatch(uint32(prevLength-3), uint32(prevOffset-minOffsetSize))
@@ -479,6 +524,7 @@ func (d *compressor) deflateLazy() {
}
d.tokens.Reset()
}
+ s.ii = 0
} else {
// Reset, if we got a match this run.
if s.length >= minMatchLength {
@@ -498,13 +544,12 @@ func (d *compressor) deflateLazy() {
// If we have a long run of no matches, skip additional bytes
// Resets when s.ii overflows after 64KB.
- if s.ii > 31 {
- n := int(s.ii >> 5)
+ if n := int(s.ii) - d.chain; n > 0 {
+ n = 1 + int(n>>6)
for j := 0; j < n; j++ {
if s.index >= d.windowEnd-1 {
break
}
-
d.tokens.AddLiteral(d.window[s.index-1])
if d.tokens.n == maxFlateBlockTokens {
if d.err = d.writeBlock(&d.tokens, s.index, false); d.err != nil {
@@ -512,6 +557,14 @@ func (d *compressor) deflateLazy() {
}
d.tokens.Reset()
}
+ // Index...
+ if s.index < s.maxInsertIndex {
+ h := hash4(d.window[s.index:])
+ ch := s.hashHead[h]
+ s.chainHead = int(ch)
+ s.hashPrev[s.index&windowMask] = ch
+ s.hashHead[h] = uint32(s.index + s.hashOffset)
+ }
s.index++
}
// Flush last byte
@@ -611,7 +664,9 @@ func (d *compressor) write(b []byte) (n int, err error) {
}
n = len(b)
for len(b) > 0 {
- d.step(d)
+ if d.windowEnd == len(d.window) || d.sync {
+ d.step(d)
+ }
b = b[d.fill(d, b):]
if d.err != nil {
return 0, d.err
@@ -652,13 +707,13 @@ func (d *compressor) init(w io.Writer, level int) (err error) {
level = 5
fallthrough
case level >= 1 && level <= 6:
- d.w.logNewTablePenalty = 8
+ d.w.logNewTablePenalty = 7
d.fast = newFastEnc(level)
d.window = make([]byte, maxStoreBlockSize)
d.fill = (*compressor).fillBlock
d.step = (*compressor).storeFast
case 7 <= level && level <= 9:
- d.w.logNewTablePenalty = 10
+ d.w.logNewTablePenalty = 8
d.state = &advancedState{}
d.compressionLevel = levels[level]
d.initDeflate()
diff --git a/vendor/github.com/klauspost/compress/flate/fast_encoder.go b/vendor/github.com/klauspost/compress/flate/fast_encoder.go
index a746eb733..0b2e54972 100644
--- a/vendor/github.com/klauspost/compress/flate/fast_encoder.go
+++ b/vendor/github.com/klauspost/compress/flate/fast_encoder.go
@@ -213,11 +213,9 @@ func (e *fastGen) Reset() {
// matchLen returns the maximum length.
// 'a' must be the shortest of the two.
func matchLen(a, b []byte) int {
- b = b[:len(a)]
var checked int
for len(a) >= 8 {
- b = b[:len(a)]
if diff := binary.LittleEndian.Uint64(a) ^ binary.LittleEndian.Uint64(b); diff != 0 {
return checked + (bits.TrailingZeros64(diff) >> 3)
}
diff --git a/vendor/github.com/klauspost/compress/flate/huffman_bit_writer.go b/vendor/github.com/klauspost/compress/flate/huffman_bit_writer.go
index 3ad5e9807..fb1701eec 100644
--- a/vendor/github.com/klauspost/compress/flate/huffman_bit_writer.go
+++ b/vendor/github.com/klauspost/compress/flate/huffman_bit_writer.go
@@ -155,37 +155,33 @@ func (w *huffmanBitWriter) reset(writer io.Writer) {
w.lastHuffMan = false
}
-func (w *huffmanBitWriter) canReuse(t *tokens) (offsets, lits bool) {
- offsets, lits = true, true
+func (w *huffmanBitWriter) canReuse(t *tokens) (ok bool) {
a := t.offHist[:offsetCodeCount]
- b := w.offsetFreq[:len(a)]
- for i := range a {
- if b[i] == 0 && a[i] != 0 {
- offsets = false
- break
+ b := w.offsetEncoding.codes
+ b = b[:len(a)]
+ for i, v := range a {
+ if v != 0 && b[i].len == 0 {
+ return false
}
}
a = t.extraHist[:literalCount-256]
- b = w.literalFreq[256:literalCount]
+ b = w.literalEncoding.codes[256:literalCount]
b = b[:len(a)]
- for i := range a {
- if b[i] == 0 && a[i] != 0 {
- lits = false
- break
+ for i, v := range a {
+ if v != 0 && b[i].len == 0 {
+ return false
}
}
- if lits {
- a = t.litHist[:]
- b = w.literalFreq[:len(a)]
- for i := range a {
- if b[i] == 0 && a[i] != 0 {
- lits = false
- break
- }
+
+ a = t.litHist[:256]
+ b = w.literalEncoding.codes[:len(a)]
+ for i, v := range a {
+ if v != 0 && b[i].len == 0 {
+ return false
}
}
- return
+ return true
}
func (w *huffmanBitWriter) flush() {
@@ -222,7 +218,7 @@ func (w *huffmanBitWriter) write(b []byte) {
}
func (w *huffmanBitWriter) writeBits(b int32, nb uint16) {
- w.bits |= uint64(b) << w.nbits
+ w.bits |= uint64(b) << (w.nbits & 63)
w.nbits += nb
if w.nbits >= 48 {
w.writeOutBits()
@@ -423,7 +419,7 @@ func (w *huffmanBitWriter) storedSize(in []byte) (int, bool) {
func (w *huffmanBitWriter) writeCode(c hcode) {
// The function does not get inlined if we "& 63" the shift.
- w.bits |= uint64(c.code) << w.nbits
+ w.bits |= uint64(c.code) << (w.nbits & 63)
w.nbits += c.len
if w.nbits >= 48 {
w.writeOutBits()
@@ -566,7 +562,7 @@ func (w *huffmanBitWriter) writeBlock(tokens *tokens, eof bool, input []byte) {
w.lastHeader = 0
}
numLiterals, numOffsets := w.indexTokens(tokens, false)
- w.generate(tokens)
+ w.generate()
var extraBits int
storedSize, storable := w.storedSize(input)
if storable {
@@ -595,7 +591,7 @@ func (w *huffmanBitWriter) writeBlock(tokens *tokens, eof bool, input []byte) {
}
// Stored bytes?
- if storable && storedSize < size {
+ if storable && storedSize <= size {
w.writeStoredHeader(len(input), eof)
w.writeBytes(input)
return
@@ -634,22 +630,39 @@ func (w *huffmanBitWriter) writeBlockDynamic(tokens *tokens, eof bool, input []b
w.lastHeader = 0
w.lastHuffMan = false
}
- if !sync {
- tokens.Fill()
+
+ // fillReuse enables filling of empty values.
+ // This will make encodings always reusable without testing.
+ // However, this does not appear to benefit on most cases.
+ const fillReuse = false
+
+ // Check if we can reuse...
+ if !fillReuse && w.lastHeader > 0 && !w.canReuse(tokens) {
+ w.writeCode(w.literalEncoding.codes[endBlockMarker])
+ w.lastHeader = 0
}
+
numLiterals, numOffsets := w.indexTokens(tokens, !sync)
+ extraBits := 0
+ ssize, storable := w.storedSize(input)
+
+ const usePrefs = true
+ if storable || w.lastHeader > 0 {
+ extraBits = w.extraBitSize()
+ }
var size int
+
// Check if we should reuse.
if w.lastHeader > 0 {
// Estimate size for using a new table.
// Use the previous header size as the best estimate.
newSize := w.lastHeader + tokens.EstimatedBits()
- newSize += newSize >> w.logNewTablePenalty
+ newSize += int(w.literalEncoding.codes[endBlockMarker].len) + newSize>>w.logNewTablePenalty
// The estimated size is calculated as an optimal table.
// We add a penalty to make it more realistic and re-use a bit more.
- reuseSize := w.dynamicReuseSize(w.literalEncoding, w.offsetEncoding) + w.extraBitSize()
+ reuseSize := w.dynamicReuseSize(w.literalEncoding, w.offsetEncoding) + extraBits
// Check if a new table is better.
if newSize < reuseSize {
@@ -660,35 +673,79 @@ func (w *huffmanBitWriter) writeBlockDynamic(tokens *tokens, eof bool, input []b
} else {
size = reuseSize
}
+
+ if preSize := w.fixedSize(extraBits) + 7; usePrefs && preSize < size {
+ // Check if we get a reasonable size decrease.
+ if storable && ssize <= size {
+ w.writeStoredHeader(len(input), eof)
+ w.writeBytes(input)
+ return
+ }
+ w.writeFixedHeader(eof)
+ if !sync {
+ tokens.AddEOB()
+ }
+ w.writeTokens(tokens.Slice(), fixedLiteralEncoding.codes, fixedOffsetEncoding.codes)
+ return
+ }
// Check if we get a reasonable size decrease.
- if ssize, storable := w.storedSize(input); storable && ssize < (size+size>>4) {
+ if storable && ssize <= size {
w.writeStoredHeader(len(input), eof)
w.writeBytes(input)
- w.lastHeader = 0
return
}
}
// We want a new block/table
if w.lastHeader == 0 {
- w.generate(tokens)
+ if fillReuse && !sync {
+ w.fillTokens()
+ numLiterals, numOffsets = maxNumLit, maxNumDist
+ } else {
+ w.literalFreq[endBlockMarker] = 1
+ }
+
+ w.generate()
// Generate codegen and codegenFrequencies, which indicates how to encode
// the literalEncoding and the offsetEncoding.
w.generateCodegen(numLiterals, numOffsets, w.literalEncoding, w.offsetEncoding)
w.codegenEncoding.generate(w.codegenFreq[:], 7)
+
var numCodegens int
- size, numCodegens = w.dynamicSize(w.literalEncoding, w.offsetEncoding, w.extraBitSize())
- // Store bytes, if we don't get a reasonable improvement.
- if ssize, storable := w.storedSize(input); storable && ssize < (size+size>>4) {
+ if fillReuse && !sync {
+ // Reindex for accurate size...
+ w.indexTokens(tokens, true)
+ }
+ size, numCodegens = w.dynamicSize(w.literalEncoding, w.offsetEncoding, extraBits)
+
+ // Store predefined, if we don't get a reasonable improvement.
+ if preSize := w.fixedSize(extraBits); usePrefs && preSize <= size {
+ // Store bytes, if we don't get an improvement.
+ if storable && ssize <= preSize {
+ w.writeStoredHeader(len(input), eof)
+ w.writeBytes(input)
+ return
+ }
+ w.writeFixedHeader(eof)
+ if !sync {
+ tokens.AddEOB()
+ }
+ w.writeTokens(tokens.Slice(), fixedLiteralEncoding.codes, fixedOffsetEncoding.codes)
+ return
+ }
+
+ if storable && ssize <= size {
+ // Store bytes, if we don't get an improvement.
w.writeStoredHeader(len(input), eof)
w.writeBytes(input)
- w.lastHeader = 0
return
}
// Write Huffman table.
w.writeDynamicHeader(numLiterals, numOffsets, numCodegens, eof)
- w.lastHeader, _ = w.headerSize()
+ if !sync {
+ w.lastHeader, _ = w.headerSize()
+ }
w.lastHuffMan = false
}
@@ -699,6 +756,19 @@ func (w *huffmanBitWriter) writeBlockDynamic(tokens *tokens, eof bool, input []b
w.writeTokens(tokens.Slice(), w.literalEncoding.codes, w.offsetEncoding.codes)
}
+func (w *huffmanBitWriter) fillTokens() {
+ for i, v := range w.literalFreq[:literalCount] {
+ if v == 0 {
+ w.literalFreq[i] = 1
+ }
+ }
+ for i, v := range w.offsetFreq[:offsetCodeCount] {
+ if v == 0 {
+ w.offsetFreq[i] = 1
+ }
+ }
+}
+
// indexTokens indexes a slice of tokens, and updates
// literalFreq and offsetFreq, and generates literalEncoding
// and offsetEncoding.
@@ -733,7 +803,7 @@ func (w *huffmanBitWriter) indexTokens(t *tokens, filled bool) (numLiterals, num
return
}
-func (w *huffmanBitWriter) generate(t *tokens) {
+func (w *huffmanBitWriter) generate() {
w.literalEncoding.generate(w.literalFreq[:literalCount], 15)
w.offsetEncoding.generate(w.offsetFreq[:offsetCodeCount], 15)
}
@@ -768,7 +838,7 @@ func (w *huffmanBitWriter) writeTokens(tokens []token, leCodes, oeCodes []hcode)
if t < matchType {
//w.writeCode(lits[t.literal()])
c := lits[t.literal()]
- bits |= uint64(c.code) << nbits
+ bits |= uint64(c.code) << (nbits & 63)
nbits += c.len
if nbits >= 48 {
binary.LittleEndian.PutUint64(w.bytes[nbytes:], bits)
@@ -796,7 +866,7 @@ func (w *huffmanBitWriter) writeTokens(tokens []token, leCodes, oeCodes []hcode)
} else {
// inlined
c := lengths[lengthCode&31]
- bits |= uint64(c.code) << nbits
+ bits |= uint64(c.code) << (nbits & 63)
nbits += c.len
if nbits >= 48 {
binary.LittleEndian.PutUint64(w.bytes[nbytes:], bits)
@@ -819,7 +889,7 @@ func (w *huffmanBitWriter) writeTokens(tokens []token, leCodes, oeCodes []hcode)
if extraLengthBits > 0 {
//w.writeBits(extraLength, extraLengthBits)
extraLength := int32(length - lengthBase[lengthCode&31])
- bits |= uint64(extraLength) << nbits
+ bits |= uint64(extraLength) << (nbits & 63)
nbits += extraLengthBits
if nbits >= 48 {
binary.LittleEndian.PutUint64(w.bytes[nbytes:], bits)
@@ -846,7 +916,7 @@ func (w *huffmanBitWriter) writeTokens(tokens []token, leCodes, oeCodes []hcode)
} else {
// inlined
c := offs[offsetCode]
- bits |= uint64(c.code) << nbits
+ bits |= uint64(c.code) << (nbits & 63)
nbits += c.len
if nbits >= 48 {
binary.LittleEndian.PutUint64(w.bytes[nbytes:], bits)
@@ -867,7 +937,7 @@ func (w *huffmanBitWriter) writeTokens(tokens []token, leCodes, oeCodes []hcode)
offsetComb := offsetCombined[offsetCode]
if offsetComb > 1<<16 {
//w.writeBits(extraOffset, extraOffsetBits)
- bits |= uint64(offset&matchOffsetOnlyMask-(offsetComb&0xffff)) << nbits
+ bits |= uint64(offset-(offsetComb&0xffff)) << (nbits & 63)
nbits += uint16(offsetComb >> 16)
if nbits >= 48 {
binary.LittleEndian.PutUint64(w.bytes[nbytes:], bits)
@@ -996,10 +1066,41 @@ func (w *huffmanBitWriter) writeBlockHuff(eof bool, input []byte, sync bool) {
encoding := w.literalEncoding.codes[:256]
// Go 1.16 LOVES having these on stack. At least 1.5x the speed.
bits, nbits, nbytes := w.bits, w.nbits, w.nbytes
+
+ // Unroll, write 3 codes/loop.
+ // Fastest number of unrolls.
+ for len(input) > 3 {
+ // We must have at least 48 bits free.
+ if nbits >= 8 {
+ n := nbits >> 3
+ binary.LittleEndian.PutUint64(w.bytes[nbytes:], bits)
+ bits >>= (n * 8) & 63
+ nbits -= n * 8
+ nbytes += uint8(n)
+ }
+ if nbytes >= bufferFlushSize {
+ if w.err != nil {
+ nbytes = 0
+ return
+ }
+ _, w.err = w.writer.Write(w.bytes[:nbytes])
+ nbytes = 0
+ }
+ a, b := encoding[input[0]], encoding[input[1]]
+ bits |= uint64(a.code) << (nbits & 63)
+ bits |= uint64(b.code) << ((nbits + a.len) & 63)
+ c := encoding[input[2]]
+ nbits += b.len + a.len
+ bits |= uint64(c.code) << (nbits & 63)
+ nbits += c.len
+ input = input[3:]
+ }
+
+ // Remaining...
for _, t := range input {
// Bitwriting inlined, ~30% speedup
c := encoding[t]
- bits |= uint64(c.code) << nbits
+ bits |= uint64(c.code) << (nbits & 63)
nbits += c.len
if debugDeflate {
count += int(c.len)
diff --git a/vendor/github.com/klauspost/compress/flate/inflate.go b/vendor/github.com/klauspost/compress/flate/inflate.go
index d1edb356c..d5f62f6a2 100644
--- a/vendor/github.com/klauspost/compress/flate/inflate.go
+++ b/vendor/github.com/klauspost/compress/flate/inflate.go
@@ -328,11 +328,17 @@ func (f *decompressor) nextBlock() {
switch typ {
case 0:
f.dataBlock()
+ if debugDecode {
+ fmt.Println("stored block")
+ }
case 1:
// compressed, fixed Huffman tables
f.hl = &fixedHuffmanDecoder
f.hd = nil
f.huffmanBlockDecoder()()
+ if debugDecode {
+ fmt.Println("predefinied huffman block")
+ }
case 2:
// compressed, dynamic Huffman tables
if f.err = f.readHuffman(); f.err != nil {
@@ -341,6 +347,9 @@ func (f *decompressor) nextBlock() {
f.hl = &f.h1
f.hd = &f.h2
f.huffmanBlockDecoder()()
+ if debugDecode {
+ fmt.Println("dynamic huffman block")
+ }
default:
// 3 is reserved.
if debugDecode {
diff --git a/vendor/github.com/klauspost/compress/huff0/decompress.go b/vendor/github.com/klauspost/compress/huff0/decompress.go
index 9b7cc8e97..2a06bd1a7 100644
--- a/vendor/github.com/klauspost/compress/huff0/decompress.go
+++ b/vendor/github.com/klauspost/compress/huff0/decompress.go
@@ -20,7 +20,7 @@ type dEntrySingle struct {
// double-symbols decoding
type dEntryDouble struct {
- seq uint16
+ seq [4]byte
nBits uint8
len uint8
}
@@ -753,23 +753,21 @@ func (d *Decoder) Decompress4X(dst, src []byte) ([]byte, error) {
br[stream2].fillFast()
val := br[stream].peekBitsFast(d.actualTableLog)
- v := single[val&tlMask]
- br[stream].advance(uint8(v.entry))
- buf[off+bufoff*stream] = uint8(v.entry >> 8)
-
val2 := br[stream2].peekBitsFast(d.actualTableLog)
+ v := single[val&tlMask]
v2 := single[val2&tlMask]
+ br[stream].advance(uint8(v.entry))
br[stream2].advance(uint8(v2.entry))
+ buf[off+bufoff*stream] = uint8(v.entry >> 8)
buf[off+bufoff*stream2] = uint8(v2.entry >> 8)
val = br[stream].peekBitsFast(d.actualTableLog)
- v = single[val&tlMask]
- br[stream].advance(uint8(v.entry))
- buf[off+bufoff*stream+1] = uint8(v.entry >> 8)
-
val2 = br[stream2].peekBitsFast(d.actualTableLog)
+ v = single[val&tlMask]
v2 = single[val2&tlMask]
+ br[stream].advance(uint8(v.entry))
br[stream2].advance(uint8(v2.entry))
+ buf[off+bufoff*stream+1] = uint8(v.entry >> 8)
buf[off+bufoff*stream2+1] = uint8(v2.entry >> 8)
}
@@ -780,23 +778,21 @@ func (d *Decoder) Decompress4X(dst, src []byte) ([]byte, error) {
br[stream2].fillFast()
val := br[stream].peekBitsFast(d.actualTableLog)
- v := single[val&tlMask]
- br[stream].advance(uint8(v.entry))
- buf[off+bufoff*stream] = uint8(v.entry >> 8)
-
val2 := br[stream2].peekBitsFast(d.actualTableLog)
+ v := single[val&tlMask]
v2 := single[val2&tlMask]
+ br[stream].advance(uint8(v.entry))
br[stream2].advance(uint8(v2.entry))
+ buf[off+bufoff*stream] = uint8(v.entry >> 8)
buf[off+bufoff*stream2] = uint8(v2.entry >> 8)
val = br[stream].peekBitsFast(d.actualTableLog)
- v = single[val&tlMask]
- br[stream].advance(uint8(v.entry))
- buf[off+bufoff*stream+1] = uint8(v.entry >> 8)
-
val2 = br[stream2].peekBitsFast(d.actualTableLog)
+ v = single[val&tlMask]
v2 = single[val2&tlMask]
+ br[stream].advance(uint8(v.entry))
br[stream2].advance(uint8(v2.entry))
+ buf[off+bufoff*stream+1] = uint8(v.entry >> 8)
buf[off+bufoff*stream2+1] = uint8(v2.entry >> 8)
}
@@ -914,7 +910,7 @@ func (d *Decoder) decompress4X8bit(dst, src []byte) ([]byte, error) {
out := dst
dstEvery := (dstSize + 3) / 4
- shift := (8 - d.actualTableLog) & 7
+ shift := (56 + (8 - d.actualTableLog)) & 63
const tlSize = 1 << 8
single := d.dt.single[:tlSize]
@@ -935,79 +931,91 @@ func (d *Decoder) decompress4X8bit(dst, src []byte) ([]byte, error) {
// Interleave 2 decodes.
const stream = 0
const stream2 = 1
- br[stream].fillFast()
- br[stream2].fillFast()
-
- v := single[br[stream].peekByteFast()>>shift].entry
+ br1 := &br[stream]
+ br2 := &br[stream2]
+ br1.fillFast()
+ br2.fillFast()
+
+ v := single[uint8(br1.value>>shift)].entry
+ v2 := single[uint8(br2.value>>shift)].entry
+ br1.bitsRead += uint8(v)
+ br1.value <<= v & 63
+ br2.bitsRead += uint8(v2)
+ br2.value <<= v2 & 63
buf[off+bufoff*stream] = uint8(v >> 8)
- br[stream].advance(uint8(v))
-
- v2 := single[br[stream2].peekByteFast()>>shift].entry
buf[off+bufoff*stream2] = uint8(v2 >> 8)
- br[stream2].advance(uint8(v2))
- v = single[br[stream].peekByteFast()>>shift].entry
+ v = single[uint8(br1.value>>shift)].entry
+ v2 = single[uint8(br2.value>>shift)].entry
+ br1.bitsRead += uint8(v)
+ br1.value <<= v & 63
+ br2.bitsRead += uint8(v2)
+ br2.value <<= v2 & 63
buf[off+bufoff*stream+1] = uint8(v >> 8)
- br[stream].advance(uint8(v))
-
- v2 = single[br[stream2].peekByteFast()>>shift].entry
buf[off+bufoff*stream2+1] = uint8(v2 >> 8)
- br[stream2].advance(uint8(v2))
- v = single[br[stream].peekByteFast()>>shift].entry
+ v = single[uint8(br1.value>>shift)].entry
+ v2 = single[uint8(br2.value>>shift)].entry
+ br1.bitsRead += uint8(v)
+ br1.value <<= v & 63
+ br2.bitsRead += uint8(v2)
+ br2.value <<= v2 & 63
buf[off+bufoff*stream+2] = uint8(v >> 8)
- br[stream].advance(uint8(v))
-
- v2 = single[br[stream2].peekByteFast()>>shift].entry
buf[off+bufoff*stream2+2] = uint8(v2 >> 8)
- br[stream2].advance(uint8(v2))
- v = single[br[stream].peekByteFast()>>shift].entry
- buf[off+bufoff*stream+3] = uint8(v >> 8)
- br[stream].advance(uint8(v))
-
- v2 = single[br[stream2].peekByteFast()>>shift].entry
+ v = single[uint8(br1.value>>shift)].entry
+ v2 = single[uint8(br2.value>>shift)].entry
+ br1.bitsRead += uint8(v)
+ br1.value <<= v & 63
+ br2.bitsRead += uint8(v2)
+ br2.value <<= v2 & 63
buf[off+bufoff*stream2+3] = uint8(v2 >> 8)
- br[stream2].advance(uint8(v2))
+ buf[off+bufoff*stream+3] = uint8(v >> 8)
}
{
const stream = 2
const stream2 = 3
- br[stream].fillFast()
- br[stream2].fillFast()
-
- v := single[br[stream].peekByteFast()>>shift].entry
+ br1 := &br[stream]
+ br2 := &br[stream2]
+ br1.fillFast()
+ br2.fillFast()
+
+ v := single[uint8(br1.value>>shift)].entry
+ v2 := single[uint8(br2.value>>shift)].entry
+ br1.bitsRead += uint8(v)
+ br1.value <<= v & 63
+ br2.bitsRead += uint8(v2)
+ br2.value <<= v2 & 63
buf[off+bufoff*stream] = uint8(v >> 8)
- br[stream].advance(uint8(v))
-
- v2 := single[br[stream2].peekByteFast()>>shift].entry
buf[off+bufoff*stream2] = uint8(v2 >> 8)
- br[stream2].advance(uint8(v2))
- v = single[br[stream].peekByteFast()>>shift].entry
+ v = single[uint8(br1.value>>shift)].entry
+ v2 = single[uint8(br2.value>>shift)].entry
+ br1.bitsRead += uint8(v)
+ br1.value <<= v & 63
+ br2.bitsRead += uint8(v2)
+ br2.value <<= v2 & 63
buf[off+bufoff*stream+1] = uint8(v >> 8)
- br[stream].advance(uint8(v))
-
- v2 = single[br[stream2].peekByteFast()>>shift].entry
buf[off+bufoff*stream2+1] = uint8(v2 >> 8)
- br[stream2].advance(uint8(v2))
- v = single[br[stream].peekByteFast()>>shift].entry
+ v = single[uint8(br1.value>>shift)].entry
+ v2 = single[uint8(br2.value>>shift)].entry
+ br1.bitsRead += uint8(v)
+ br1.value <<= v & 63
+ br2.bitsRead += uint8(v2)
+ br2.value <<= v2 & 63
buf[off+bufoff*stream+2] = uint8(v >> 8)
- br[stream].advance(uint8(v))
-
- v2 = single[br[stream2].peekByteFast()>>shift].entry
buf[off+bufoff*stream2+2] = uint8(v2 >> 8)
- br[stream2].advance(uint8(v2))
-
- v = single[br[stream].peekByteFast()>>shift].entry
- buf[off+bufoff*stream+3] = uint8(v >> 8)
- br[stream].advance(uint8(v))
- v2 = single[br[stream2].peekByteFast()>>shift].entry
+ v = single[uint8(br1.value>>shift)].entry
+ v2 = single[uint8(br2.value>>shift)].entry
+ br1.bitsRead += uint8(v)
+ br1.value <<= v & 63
+ br2.bitsRead += uint8(v2)
+ br2.value <<= v2 & 63
buf[off+bufoff*stream2+3] = uint8(v2 >> 8)
- br[stream2].advance(uint8(v2))
+ buf[off+bufoff*stream+3] = uint8(v >> 8)
}
off += 4
@@ -1073,7 +1081,7 @@ func (d *Decoder) decompress4X8bit(dst, src []byte) ([]byte, error) {
}
// Read value and increment offset.
- v := single[br.peekByteFast()>>shift].entry
+ v := single[uint8(br.value>>shift)].entry
nBits := uint8(v)
br.advance(nBits)
bitsLeft -= int(nBits)
@@ -1121,7 +1129,7 @@ func (d *Decoder) decompress4X8bitExactly(dst, src []byte) ([]byte, error) {
out := dst
dstEvery := (dstSize + 3) / 4
- const shift = 0
+ const shift = 56
const tlSize = 1 << 8
const tlMask = tlSize - 1
single := d.dt.single[:tlSize]
@@ -1145,37 +1153,41 @@ func (d *Decoder) decompress4X8bitExactly(dst, src []byte) ([]byte, error) {
br[stream].fillFast()
br[stream2].fillFast()
- v := single[br[stream].peekByteFast()>>shift].entry
+ v := single[uint8(br[stream].value>>shift)].entry
+ v2 := single[uint8(br[stream2].value>>shift)].entry
+ br[stream].bitsRead += uint8(v)
+ br[stream].value <<= v & 63
+ br[stream2].bitsRead += uint8(v2)
+ br[stream2].value <<= v2 & 63
buf[off+bufoff*stream] = uint8(v >> 8)
- br[stream].advance(uint8(v))
-
- v2 := single[br[stream2].peekByteFast()>>shift].entry
buf[off+bufoff*stream2] = uint8(v2 >> 8)
- br[stream2].advance(uint8(v2))
- v = single[br[stream].peekByteFast()>>shift].entry
+ v = single[uint8(br[stream].value>>shift)].entry
+ v2 = single[uint8(br[stream2].value>>shift)].entry
+ br[stream].bitsRead += uint8(v)
+ br[stream].value <<= v & 63
+ br[stream2].bitsRead += uint8(v2)
+ br[stream2].value <<= v2 & 63
buf[off+bufoff*stream+1] = uint8(v >> 8)
- br[stream].advance(uint8(v))
-
- v2 = single[br[stream2].peekByteFast()>>shift].entry
buf[off+bufoff*stream2+1] = uint8(v2 >> 8)
- br[stream2].advance(uint8(v2))
- v = single[br[stream].peekByteFast()>>shift].entry
+ v = single[uint8(br[stream].value>>shift)].entry
+ v2 = single[uint8(br[stream2].value>>shift)].entry
+ br[stream].bitsRead += uint8(v)
+ br[stream].value <<= v & 63
+ br[stream2].bitsRead += uint8(v2)
+ br[stream2].value <<= v2 & 63
buf[off+bufoff*stream+2] = uint8(v >> 8)
- br[stream].advance(uint8(v))
-
- v2 = single[br[stream2].peekByteFast()>>shift].entry
buf[off+bufoff*stream2+2] = uint8(v2 >> 8)
- br[stream2].advance(uint8(v2))
- v = single[br[stream].peekByteFast()>>shift].entry
+ v = single[uint8(br[stream].value>>shift)].entry
+ v2 = single[uint8(br[stream2].value>>shift)].entry
+ br[stream].bitsRead += uint8(v)
+ br[stream].value <<= v & 63
+ br[stream2].bitsRead += uint8(v2)
+ br[stream2].value <<= v2 & 63
buf[off+bufoff*stream+3] = uint8(v >> 8)
- br[stream].advance(uint8(v))
-
- v2 = single[br[stream2].peekByteFast()>>shift].entry
buf[off+bufoff*stream2+3] = uint8(v2 >> 8)
- br[stream2].advance(uint8(v2))
}
{
@@ -1184,37 +1196,41 @@ func (d *Decoder) decompress4X8bitExactly(dst, src []byte) ([]byte, error) {
br[stream].fillFast()
br[stream2].fillFast()
- v := single[br[stream].peekByteFast()>>shift].entry
+ v := single[uint8(br[stream].value>>shift)].entry
+ v2 := single[uint8(br[stream2].value>>shift)].entry
+ br[stream].bitsRead += uint8(v)
+ br[stream].value <<= v & 63
+ br[stream2].bitsRead += uint8(v2)
+ br[stream2].value <<= v2 & 63
buf[off+bufoff*stream] = uint8(v >> 8)
- br[stream].advance(uint8(v))
-
- v2 := single[br[stream2].peekByteFast()>>shift].entry
buf[off+bufoff*stream2] = uint8(v2 >> 8)
- br[stream2].advance(uint8(v2))
- v = single[br[stream].peekByteFast()>>shift].entry
+ v = single[uint8(br[stream].value>>shift)].entry
+ v2 = single[uint8(br[stream2].value>>shift)].entry
+ br[stream].bitsRead += uint8(v)
+ br[stream].value <<= v & 63
+ br[stream2].bitsRead += uint8(v2)
+ br[stream2].value <<= v2 & 63
buf[off+bufoff*stream+1] = uint8(v >> 8)
- br[stream].advance(uint8(v))
-
- v2 = single[br[stream2].peekByteFast()>>shift].entry
buf[off+bufoff*stream2+1] = uint8(v2 >> 8)
- br[stream2].advance(uint8(v2))
- v = single[br[stream].peekByteFast()>>shift].entry
+ v = single[uint8(br[stream].value>>shift)].entry
+ v2 = single[uint8(br[stream2].value>>shift)].entry
+ br[stream].bitsRead += uint8(v)
+ br[stream].value <<= v & 63
+ br[stream2].bitsRead += uint8(v2)
+ br[stream2].value <<= v2 & 63
buf[off+bufoff*stream+2] = uint8(v >> 8)
- br[stream].advance(uint8(v))
-
- v2 = single[br[stream2].peekByteFast()>>shift].entry
buf[off+bufoff*stream2+2] = uint8(v2 >> 8)
- br[stream2].advance(uint8(v2))
- v = single[br[stream].peekByteFast()>>shift].entry
+ v = single[uint8(br[stream].value>>shift)].entry
+ v2 = single[uint8(br[stream2].value>>shift)].entry
+ br[stream].bitsRead += uint8(v)
+ br[stream].value <<= v & 63
+ br[stream2].bitsRead += uint8(v2)
+ br[stream2].value <<= v2 & 63
buf[off+bufoff*stream+3] = uint8(v >> 8)
- br[stream].advance(uint8(v))
-
- v2 = single[br[stream2].peekByteFast()>>shift].entry
buf[off+bufoff*stream2+3] = uint8(v2 >> 8)
- br[stream2].advance(uint8(v2))
}
off += 4
@@ -1280,7 +1296,7 @@ func (d *Decoder) decompress4X8bitExactly(dst, src []byte) ([]byte, error) {
}
// Read value and increment offset.
- v := single[br.peekByteFast()>>shift].entry
+ v := single[br.peekByteFast()].entry
nBits := uint8(v)
br.advance(nBits)
bitsLeft -= int(nBits)
diff --git a/vendor/github.com/klauspost/compress/zstd/bitreader.go b/vendor/github.com/klauspost/compress/zstd/bitreader.go
index 854458537..753d17df6 100644
--- a/vendor/github.com/klauspost/compress/zstd/bitreader.go
+++ b/vendor/github.com/klauspost/compress/zstd/bitreader.go
@@ -50,16 +50,23 @@ func (b *bitReader) getBits(n uint8) int {
if n == 0 /*|| b.bitsRead >= 64 */ {
return 0
}
- return b.getBitsFast(n)
+ return int(b.get32BitsFast(n))
}
-// getBitsFast requires that at least one bit is requested every time.
+// get32BitsFast requires that at least one bit is requested every time.
// There are no checks if the buffer is filled.
-func (b *bitReader) getBitsFast(n uint8) int {
+func (b *bitReader) get32BitsFast(n uint8) uint32 {
const regMask = 64 - 1
v := uint32((b.value << (b.bitsRead & regMask)) >> ((regMask + 1 - n) & regMask))
b.bitsRead += n
- return int(v)
+ return v
+}
+
+func (b *bitReader) get16BitsFast(n uint8) uint16 {
+ const regMask = 64 - 1
+ v := uint16((b.value << (b.bitsRead & regMask)) >> ((regMask + 1 - n) & regMask))
+ b.bitsRead += n
+ return v
}
// fillFast() will make sure at least 32 bits are available.
diff --git a/vendor/github.com/klauspost/compress/zstd/bitwriter.go b/vendor/github.com/klauspost/compress/zstd/bitwriter.go
index 303ae90f9..b36618285 100644
--- a/vendor/github.com/klauspost/compress/zstd/bitwriter.go
+++ b/vendor/github.com/klauspost/compress/zstd/bitwriter.go
@@ -38,7 +38,7 @@ func (b *bitWriter) addBits16NC(value uint16, bits uint8) {
b.nBits += bits
}
-// addBits32NC will add up to 32 bits.
+// addBits32NC will add up to 31 bits.
// It will not check if there is space for them,
// so the caller must ensure that it has flushed recently.
func (b *bitWriter) addBits32NC(value uint32, bits uint8) {
@@ -46,6 +46,26 @@ func (b *bitWriter) addBits32NC(value uint32, bits uint8) {
b.nBits += bits
}
+// addBits64NC will add up to 64 bits.
+// There must be space for 32 bits.
+func (b *bitWriter) addBits64NC(value uint64, bits uint8) {
+ if bits <= 31 {
+ b.addBits32Clean(uint32(value), bits)
+ return
+ }
+ b.addBits32Clean(uint32(value), 32)
+ b.flush32()
+ b.addBits32Clean(uint32(value>>32), bits-32)
+}
+
+// addBits32Clean will add up to 32 bits.
+// It will not check if there is space for them.
+// The input must not contain more bits than specified.
+func (b *bitWriter) addBits32Clean(value uint32, bits uint8) {
+ b.bitContainer |= uint64(value) << (b.nBits & 63)
+ b.nBits += bits
+}
+
// addBits16Clean will add up to 16 bits. value may not contain more set bits than indicated.
// It will not check if there is space for them, so the caller must ensure that it has flushed recently.
func (b *bitWriter) addBits16Clean(value uint16, bits uint8) {
diff --git a/vendor/github.com/klauspost/compress/zstd/blockenc.go b/vendor/github.com/klauspost/compress/zstd/blockenc.go
index 3df185ee4..12e8f6f0b 100644
--- a/vendor/github.com/klauspost/compress/zstd/blockenc.go
+++ b/vendor/github.com/klauspost/compress/zstd/blockenc.go
@@ -51,7 +51,7 @@ func (b *blockEnc) init() {
if cap(b.literals) < maxCompressedBlockSize {
b.literals = make([]byte, 0, maxCompressedBlockSize)
}
- const defSeqs = 200
+ const defSeqs = 2000
if cap(b.sequences) < defSeqs {
b.sequences = make([]seq, 0, defSeqs)
}
@@ -426,7 +426,7 @@ func fuzzFseEncoder(data []byte) int {
return 0
}
enc := fseEncoder{}
- hist := enc.Histogram()[:256]
+ hist := enc.Histogram()
maxSym := uint8(0)
for i, v := range data {
v = v & 63
@@ -722,52 +722,53 @@ func (b *blockEnc) encode(org []byte, raw, rawAllLits bool) error {
println("Encoded seq", seq, s, "codes:", s.llCode, s.mlCode, s.ofCode, "states:", ll.state, ml.state, of.state, "bits:", llB, mlB, ofB)
}
seq--
- if llEnc.maxBits+mlEnc.maxBits+ofEnc.maxBits <= 32 {
- // No need to flush (common)
- for seq >= 0 {
- s = b.sequences[seq]
- wr.flush32()
- llB, ofB, mlB := llTT[s.llCode], ofTT[s.ofCode], mlTT[s.mlCode]
- // tabelog max is 8 for all.
- of.encode(ofB)
- ml.encode(mlB)
- ll.encode(llB)
- wr.flush32()
-
- // We checked that all can stay within 32 bits
- wr.addBits32NC(s.litLen, llB.outBits)
- wr.addBits32NC(s.matchLen, mlB.outBits)
- wr.addBits32NC(s.offset, ofB.outBits)
-
- if debugSequences {
- println("Encoded seq", seq, s)
- }
-
- seq--
- }
- } else {
- for seq >= 0 {
- s = b.sequences[seq]
- wr.flush32()
- llB, ofB, mlB := llTT[s.llCode], ofTT[s.ofCode], mlTT[s.mlCode]
- // tabelog max is below 8 for each.
- of.encode(ofB)
- ml.encode(mlB)
- ll.encode(llB)
- wr.flush32()
-
- // ml+ll = max 32 bits total
- wr.addBits32NC(s.litLen, llB.outBits)
- wr.addBits32NC(s.matchLen, mlB.outBits)
- wr.flush32()
- wr.addBits32NC(s.offset, ofB.outBits)
-
- if debugSequences {
- println("Encoded seq", seq, s)
- }
-
- seq--
- }
+ // Store sequences in reverse...
+ for seq >= 0 {
+ s = b.sequences[seq]
+
+ ofB := ofTT[s.ofCode]
+ wr.flush32() // tablelog max is below 8 for each, so it will fill max 24 bits.
+ //of.encode(ofB)
+ nbBitsOut := (uint32(of.state) + ofB.deltaNbBits) >> 16
+ dstState := int32(of.state>>(nbBitsOut&15)) + int32(ofB.deltaFindState)
+ wr.addBits16NC(of.state, uint8(nbBitsOut))
+ of.state = of.stateTable[dstState]
+
+ // Accumulate extra bits.
+ outBits := ofB.outBits & 31
+ extraBits := uint64(s.offset & bitMask32[outBits])
+ extraBitsN := outBits
+
+ mlB := mlTT[s.mlCode]
+ //ml.encode(mlB)
+ nbBitsOut = (uint32(ml.state) + mlB.deltaNbBits) >> 16
+ dstState = int32(ml.state>>(nbBitsOut&15)) + int32(mlB.deltaFindState)
+ wr.addBits16NC(ml.state, uint8(nbBitsOut))
+ ml.state = ml.stateTable[dstState]
+
+ outBits = mlB.outBits & 31
+ extraBits = extraBits<<outBits | uint64(s.matchLen&bitMask32[outBits])
+ extraBitsN += outBits
+
+ llB := llTT[s.llCode]
+ //ll.encode(llB)
+ nbBitsOut = (uint32(ll.state) + llB.deltaNbBits) >> 16
+ dstState = int32(ll.state>>(nbBitsOut&15)) + int32(llB.deltaFindState)
+ wr.addBits16NC(ll.state, uint8(nbBitsOut))
+ ll.state = ll.stateTable[dstState]
+
+ outBits = llB.outBits & 31
+ extraBits = extraBits<<outBits | uint64(s.litLen&bitMask32[outBits])
+ extraBitsN += outBits
+
+ wr.flush32()
+ wr.addBits64NC(extraBits, extraBitsN)
+
+ if debugSequences {
+ println("Encoded seq", seq, s)
+ }
+
+ seq--
}
ml.flush(mlEnc.actualTableLog)
of.flush(ofEnc.actualTableLog)
@@ -801,14 +802,13 @@ func (b *blockEnc) genCodes() {
// nothing to do
return
}
-
if len(b.sequences) > math.MaxUint16 {
panic("can only encode up to 64K sequences")
}
// No bounds checks after here:
- llH := b.coders.llEnc.Histogram()[:256]
- ofH := b.coders.ofEnc.Histogram()[:256]
- mlH := b.coders.mlEnc.Histogram()[:256]
+ llH := b.coders.llEnc.Histogram()
+ ofH := b.coders.ofEnc.Histogram()
+ mlH := b.coders.mlEnc.Histogram()
for i := range llH {
llH[i] = 0
}
@@ -820,7 +820,8 @@ func (b *blockEnc) genCodes() {
}
var llMax, ofMax, mlMax uint8
- for i, seq := range b.sequences {
+ for i := range b.sequences {
+ seq := &b.sequences[i]
v := llCode(seq.litLen)
seq.llCode = v
llH[v]++
@@ -844,7 +845,6 @@ func (b *blockEnc) genCodes() {
panic(fmt.Errorf("mlMax > maxMatchLengthSymbol (%d), matchlen: %d", mlMax, seq.matchLen))
}
}
- b.sequences[i] = seq
}
maxCount := func(a []uint32) int {
var max uint32
diff --git a/vendor/github.com/klauspost/compress/zstd/enc_base.go b/vendor/github.com/klauspost/compress/zstd/enc_base.go
index 295cd602a..15ae8ee80 100644
--- a/vendor/github.com/klauspost/compress/zstd/enc_base.go
+++ b/vendor/github.com/klauspost/compress/zstd/enc_base.go
@@ -108,11 +108,6 @@ func (e *fastBase) UseBlock(enc *blockEnc) {
e.blk = enc
}
-func (e *fastBase) matchlenNoHist(s, t int32, src []byte) int32 {
- // Extend the match to be as long as possible.
- return int32(matchLen(src[s:], src[t:]))
-}
-
func (e *fastBase) matchlen(s, t int32, src []byte) int32 {
if debugAsserts {
if s < 0 {
@@ -131,9 +126,24 @@ func (e *fastBase) matchlen(s, t int32, src []byte) int32 {
panic(fmt.Sprintf("len(src)-s (%d) > maxCompressedBlockSize (%d)", len(src)-int(s), maxCompressedBlockSize))
}
}
+ a := src[s:]
+ b := src[t:]
+ b = b[:len(a)]
+ end := int32((len(a) >> 3) << 3)
+ for i := int32(0); i < end; i += 8 {
+ if diff := load6432(a, i) ^ load6432(b, i); diff != 0 {
+ return i + int32(bits.TrailingZeros64(diff)>>3)
+ }
+ }
- // Extend the match to be as long as possible.
- return int32(matchLen(src[s:], src[t:]))
+ a = a[end:]
+ b = b[end:]
+ for i := range a {
+ if a[i] != b[i] {
+ return int32(i) + end
+ }
+ }
+ return int32(len(a)) + end
}
// Reset the encoding table.
diff --git a/vendor/github.com/klauspost/compress/zstd/enc_fast.go b/vendor/github.com/klauspost/compress/zstd/enc_fast.go
index f2502629b..5f08a2830 100644
--- a/vendor/github.com/klauspost/compress/zstd/enc_fast.go
+++ b/vendor/github.com/klauspost/compress/zstd/enc_fast.go
@@ -6,8 +6,6 @@ package zstd
import (
"fmt"
- "math"
- "math/bits"
)
const (
@@ -136,20 +134,7 @@ encodeLoop:
// Consider history as well.
var seq seq
var length int32
- // length = 4 + e.matchlen(s+6, repIndex+4, src)
- {
- a := src[s+6:]
- b := src[repIndex+4:]
- endI := len(a) & (math.MaxInt32 - 7)
- length = int32(endI) + 4
- for i := 0; i < endI; i += 8 {
- if diff := load64(a, i) ^ load64(b, i); diff != 0 {
- length = int32(i+bits.TrailingZeros64(diff)>>3) + 4
- break
- }
- }
- }
-
+ length = 4 + e.matchlen(s+6, repIndex+4, src)
seq.matchLen = uint32(length - zstdMinMatch)
// We might be able to match backwards.
@@ -236,20 +221,7 @@ encodeLoop:
}
// Extend the 4-byte match as long as possible.
- //l := e.matchlen(s+4, t+4, src) + 4
- var l int32
- {
- a := src[s+4:]
- b := src[t+4:]
- endI := len(a) & (math.MaxInt32 - 7)
- l = int32(endI) + 4
- for i := 0; i < endI; i += 8 {
- if diff := load64(a, i) ^ load64(b, i); diff != 0 {
- l = int32(i+bits.TrailingZeros64(diff)>>3) + 4
- break
- }
- }
- }
+ l := e.matchlen(s+4, t+4, src) + 4
// Extend backwards
tMin := s - e.maxMatchOff
@@ -286,20 +258,7 @@ encodeLoop:
if o2 := s - offset2; canRepeat && load3232(src, o2) == uint32(cv) {
// We have at least 4 byte match.
// No need to check backwards. We come straight from a match
- //l := 4 + e.matchlen(s+4, o2+4, src)
- var l int32
- {
- a := src[s+4:]
- b := src[o2+4:]
- endI := len(a) & (math.MaxInt32 - 7)
- l = int32(endI) + 4
- for i := 0; i < endI; i += 8 {
- if diff := load64(a, i) ^ load64(b, i); diff != 0 {
- l = int32(i+bits.TrailingZeros64(diff)>>3) + 4
- break
- }
- }
- }
+ l := 4 + e.matchlen(s+4, o2+4, src)
// Store this, since we have it.
nextHash := hashLen(cv, hashLog, tableFastHashLen)
@@ -418,21 +377,7 @@ encodeLoop:
if len(blk.sequences) > 2 && load3232(src, repIndex) == uint32(cv>>16) {
// Consider history as well.
var seq seq
- // length := 4 + e.matchlen(s+6, repIndex+4, src)
- // length := 4 + int32(matchLen(src[s+6:], src[repIndex+4:]))
- var length int32
- {
- a := src[s+6:]
- b := src[repIndex+4:]
- endI := len(a) & (math.MaxInt32 - 7)
- length = int32(endI) + 4
- for i := 0; i < endI; i += 8 {
- if diff := load64(a, i) ^ load64(b, i); diff != 0 {
- length = int32(i+bits.TrailingZeros64(diff)>>3) + 4
- break
- }
- }
- }
+ length := 4 + e.matchlen(s+6, repIndex+4, src)
seq.matchLen = uint32(length - zstdMinMatch)
@@ -522,21 +467,7 @@ encodeLoop:
panic(fmt.Sprintf("t (%d) < 0 ", t))
}
// Extend the 4-byte match as long as possible.
- //l := e.matchlenNoHist(s+4, t+4, src) + 4
- // l := int32(matchLen(src[s+4:], src[t+4:])) + 4
- var l int32
- {
- a := src[s+4:]
- b := src[t+4:]
- endI := len(a) & (math.MaxInt32 - 7)
- l = int32(endI) + 4
- for i := 0; i < endI; i += 8 {
- if diff := load64(a, i) ^ load64(b, i); diff != 0 {
- l = int32(i+bits.TrailingZeros64(diff)>>3) + 4
- break
- }
- }
- }
+ l := e.matchlen(s+4, t+4, src) + 4
// Extend backwards
tMin := s - e.maxMatchOff
@@ -573,21 +504,7 @@ encodeLoop:
if o2 := s - offset2; len(blk.sequences) > 2 && load3232(src, o2) == uint32(cv) {
// We have at least 4 byte match.
// No need to check backwards. We come straight from a match
- //l := 4 + e.matchlenNoHist(s+4, o2+4, src)
- // l := 4 + int32(matchLen(src[s+4:], src[o2+4:]))
- var l int32
- {
- a := src[s+4:]
- b := src[o2+4:]
- endI := len(a) & (math.MaxInt32 - 7)
- l = int32(endI) + 4
- for i := 0; i < endI; i += 8 {
- if diff := load64(a, i) ^ load64(b, i); diff != 0 {
- l = int32(i+bits.TrailingZeros64(diff)>>3) + 4
- break
- }
- }
- }
+ l := 4 + e.matchlen(s+4, o2+4, src)
// Store this, since we have it.
nextHash := hashLen(cv, hashLog, tableFastHashLen)
@@ -731,19 +648,7 @@ encodeLoop:
// Consider history as well.
var seq seq
var length int32
- // length = 4 + e.matchlen(s+6, repIndex+4, src)
- {
- a := src[s+6:]
- b := src[repIndex+4:]
- endI := len(a) & (math.MaxInt32 - 7)
- length = int32(endI) + 4
- for i := 0; i < endI; i += 8 {
- if diff := load64(a, i) ^ load64(b, i); diff != 0 {
- length = int32(i+bits.TrailingZeros64(diff)>>3) + 4
- break
- }
- }
- }
+ length = 4 + e.matchlen(s+6, repIndex+4, src)
seq.matchLen = uint32(length - zstdMinMatch)
@@ -831,20 +736,7 @@ encodeLoop:
}
// Extend the 4-byte match as long as possible.
- //l := e.matchlen(s+4, t+4, src) + 4
- var l int32
- {
- a := src[s+4:]
- b := src[t+4:]
- endI := len(a) & (math.MaxInt32 - 7)
- l = int32(endI) + 4
- for i := 0; i < endI; i += 8 {
- if diff := load64(a, i) ^ load64(b, i); diff != 0 {
- l = int32(i+bits.TrailingZeros64(diff)>>3) + 4
- break
- }
- }
- }
+ l := e.matchlen(s+4, t+4, src) + 4
// Extend backwards
tMin := s - e.maxMatchOff
@@ -881,20 +773,7 @@ encodeLoop:
if o2 := s - offset2; canRepeat && load3232(src, o2) == uint32(cv) {
// We have at least 4 byte match.
// No need to check backwards. We come straight from a match
- //l := 4 + e.matchlen(s+4, o2+4, src)
- var l int32
- {
- a := src[s+4:]
- b := src[o2+4:]
- endI := len(a) & (math.MaxInt32 - 7)
- l = int32(endI) + 4
- for i := 0; i < endI; i += 8 {
- if diff := load64(a, i) ^ load64(b, i); diff != 0 {
- l = int32(i+bits.TrailingZeros64(diff)>>3) + 4
- break
- }
- }
- }
+ l := 4 + e.matchlen(s+4, o2+4, src)
// Store this, since we have it.
nextHash := hashLen(cv, hashLog, tableFastHashLen)
diff --git a/vendor/github.com/klauspost/compress/zstd/fse_decoder.go b/vendor/github.com/klauspost/compress/zstd/fse_decoder.go
index e6d3d49b3..bb3d4fd6c 100644
--- a/vendor/github.com/klauspost/compress/zstd/fse_decoder.go
+++ b/vendor/github.com/klauspost/compress/zstd/fse_decoder.go
@@ -379,7 +379,7 @@ func (s decSymbol) final() (int, uint8) {
// This can only be used if no symbols are 0 bits.
// At least tablelog bits must be available in the bit reader.
func (s *fseState) nextFast(br *bitReader) (uint32, uint8) {
- lowBits := uint16(br.getBitsFast(s.state.nbBits()))
+ lowBits := br.get16BitsFast(s.state.nbBits())
s.state = s.dt[s.state.newState()+lowBits]
return s.state.baseline(), s.state.addBits()
}
diff --git a/vendor/github.com/klauspost/compress/zstd/fse_encoder.go b/vendor/github.com/klauspost/compress/zstd/fse_encoder.go
index b4757ee3f..5442061b1 100644
--- a/vendor/github.com/klauspost/compress/zstd/fse_encoder.go
+++ b/vendor/github.com/klauspost/compress/zstd/fse_encoder.go
@@ -62,9 +62,8 @@ func (s symbolTransform) String() string {
// To indicate that you have populated the histogram call HistogramFinished
// with the value of the highest populated symbol, as well as the number of entries
// in the most populated entry. These are accepted at face value.
-// The returned slice will always be length 256.
-func (s *fseEncoder) Histogram() []uint32 {
- return s.count[:]
+func (s *fseEncoder) Histogram() *[256]uint32 {
+ return &s.count
}
// HistogramFinished can be called to indicate that the histogram has been populated.
diff --git a/vendor/github.com/klauspost/compress/zstd/internal/xxhash/xxhash_arm64.s b/vendor/github.com/klauspost/compress/zstd/internal/xxhash/xxhash_arm64.s
new file mode 100644
index 000000000..662609589
--- /dev/null
+++ b/vendor/github.com/klauspost/compress/zstd/internal/xxhash/xxhash_arm64.s
@@ -0,0 +1,189 @@
+// +build gc,!purego
+
+#include "textflag.h"
+
+// Register allocation.
+#define digest R1
+#define h R2 // Return value.
+#define p R3 // Input pointer.
+#define len R4
+#define nblocks R5 // len / 32.
+#define prime1 R7
+#define prime2 R8
+#define prime3 R9
+#define prime4 R10
+#define prime5 R11
+#define v1 R12
+#define v2 R13
+#define v3 R14
+#define v4 R15
+#define x1 R20
+#define x2 R21
+#define x3 R22
+#define x4 R23
+
+#define round(acc, x) \
+ MADD prime2, acc, x, acc \
+ ROR $64-31, acc \
+ MUL prime1, acc \
+
+// x = round(0, x).
+#define round0(x) \
+ MUL prime2, x \
+ ROR $64-31, x \
+ MUL prime1, x \
+
+#define mergeRound(x) \
+ round0(x) \
+ EOR x, h \
+ MADD h, prime4, prime1, h \
+
+// Update v[1-4] with 32-byte blocks. Assumes len >= 32.
+#define blocksLoop() \
+ LSR $5, len, nblocks \
+ PCALIGN $16 \
+loop: \
+ LDP.P 32(p), (x1, x2) \
+ round(v1, x1) \
+ LDP -16(p), (x3, x4) \
+ round(v2, x2) \
+ SUB $1, nblocks \
+ round(v3, x3) \
+ round(v4, x4) \
+ CBNZ nblocks, loop \
+
+
+// The primes are repeated here to ensure that they're stored
+// in a contiguous array, so we can load them with LDP.
+DATA primes<> +0(SB)/8, $11400714785074694791
+DATA primes<> +8(SB)/8, $14029467366897019727
+DATA primes<>+16(SB)/8, $1609587929392839161
+DATA primes<>+24(SB)/8, $9650029242287828579
+DATA primes<>+32(SB)/8, $2870177450012600261
+GLOBL primes<>(SB), NOPTR+RODATA, $40
+
+
+// func Sum64(b []byte) uint64
+TEXT ·Sum64(SB), NOFRAME+NOSPLIT, $0-32
+ LDP b_base+0(FP), (p, len)
+
+ LDP primes<> +0(SB), (prime1, prime2)
+ LDP primes<>+16(SB), (prime3, prime4)
+ MOVD primes<>+32(SB), prime5
+
+ CMP $32, len
+ CSEL LO, prime5, ZR, h // if len < 32 { h = prime5 } else { h = 0 }
+ BLO afterLoop
+
+ ADD prime1, prime2, v1
+ MOVD prime2, v2
+ MOVD $0, v3
+ NEG prime1, v4
+
+ blocksLoop()
+
+ ROR $64-1, v1, x1
+ ROR $64-7, v2, x2
+ ADD x1, x2
+ ROR $64-12, v3, x3
+ ROR $64-18, v4, x4
+ ADD x3, x4
+ ADD x2, x4, h
+
+ mergeRound(v1)
+ mergeRound(v2)
+ mergeRound(v3)
+ mergeRound(v4)
+
+afterLoop:
+ ADD len, h
+
+ TBZ $4, len, try8
+ LDP.P 16(p), (x1, x2)
+
+ round0(x1)
+ ROR $64-27, h
+ EOR x1 @> 64-27, h, h
+ MADD h, prime4, prime1, h
+
+ round0(x2)
+ ROR $64-27, h
+ EOR x2 @> 64-27, h
+ MADD h, prime4, prime1, h
+
+try8:
+ TBZ $3, len, try4
+ MOVD.P 8(p), x1
+
+ round0(x1)
+ ROR $64-27, h
+ EOR x1 @> 64-27, h
+ MADD h, prime4, prime1, h
+
+try4:
+ TBZ $2, len, try2
+ MOVWU.P 4(p), x2
+
+ MUL prime1, x2
+ ROR $64-23, h
+ EOR x2 @> 64-23, h
+ MADD h, prime3, prime2, h
+
+try2:
+ TBZ $1, len, try1
+ MOVHU.P 2(p), x3
+ AND $255, x3, x1
+ LSR $8, x3, x2
+
+ MUL prime5, x1
+ ROR $64-11, h
+ EOR x1 @> 64-11, h
+ MUL prime1, h
+
+ MUL prime5, x2
+ ROR $64-11, h
+ EOR x2 @> 64-11, h
+ MUL prime1, h
+
+try1:
+ TBZ $0, len, end
+ MOVBU (p), x4
+
+ MUL prime5, x4
+ ROR $64-11, h
+ EOR x4 @> 64-11, h
+ MUL prime1, h
+
+end:
+ EOR h >> 33, h
+ MUL prime2, h
+ EOR h >> 29, h
+ MUL prime3, h
+ EOR h >> 32, h
+
+ MOVD h, ret+24(FP)
+ RET
+
+
+// func writeBlocks(d *Digest, b []byte) int
+//
+// Assumes len(b) >= 32.
+TEXT ·writeBlocks(SB), NOFRAME+NOSPLIT, $0-40
+ LDP primes<>(SB), (prime1, prime2)
+
+ // Load state. Assume v[1-4] are stored contiguously.
+ MOVD d+0(FP), digest
+ LDP 0(digest), (v1, v2)
+ LDP 16(digest), (v3, v4)
+
+ LDP b_base+8(FP), (p, len)
+
+ blocksLoop()
+
+ // Store updated state.
+ STP (v1, v2), 0(digest)
+ STP (v3, v4), 16(digest)
+
+ BIC $31, len
+ MOVD len, ret+32(FP)
+ RET
diff --git a/vendor/github.com/klauspost/compress/zstd/internal/xxhash/xxhash_amd64.go b/vendor/github.com/klauspost/compress/zstd/internal/xxhash/xxhash_asm.go
index 0ae847f75..9216e0a40 100644
--- a/vendor/github.com/klauspost/compress/zstd/internal/xxhash/xxhash_amd64.go
+++ b/vendor/github.com/klauspost/compress/zstd/internal/xxhash/xxhash_asm.go
@@ -1,5 +1,8 @@
-//go:build !appengine && gc && !purego
-// +build !appengine,gc,!purego
+//go:build (amd64 || arm64) && !appengine && gc && !purego
+// +build amd64 arm64
+// +build !appengine
+// +build gc
+// +build !purego
package xxhash
diff --git a/vendor/github.com/klauspost/compress/zstd/internal/xxhash/xxhash_other.go b/vendor/github.com/klauspost/compress/zstd/internal/xxhash/xxhash_other.go
index 1f52f296e..2deb1ca75 100644
--- a/vendor/github.com/klauspost/compress/zstd/internal/xxhash/xxhash_other.go
+++ b/vendor/github.com/klauspost/compress/zstd/internal/xxhash/xxhash_other.go
@@ -1,5 +1,5 @@
-//go:build !amd64 || appengine || !gc || purego
-// +build !amd64 appengine !gc purego
+//go:build (!amd64 && !arm64) || appengine || !gc || purego
+// +build !amd64,!arm64 appengine !gc purego
package xxhash
diff --git a/vendor/github.com/klauspost/compress/zstd/seqdec.go b/vendor/github.com/klauspost/compress/zstd/seqdec.go
index 1dd39e63b..bc731e4cb 100644
--- a/vendor/github.com/klauspost/compress/zstd/seqdec.go
+++ b/vendor/github.com/klauspost/compress/zstd/seqdec.go
@@ -278,7 +278,7 @@ func (s *sequenceDecs) decode(seqs int, br *bitReader, hist []byte) error {
mlState = mlTable[mlState.newState()&maxTableMask]
ofState = ofTable[ofState.newState()&maxTableMask]
} else {
- bits := br.getBitsFast(nBits)
+ bits := br.get32BitsFast(nBits)
lowBits := uint16(bits >> ((ofState.nbBits() + mlState.nbBits()) & 31))
llState = llTable[(llState.newState()+lowBits)&maxTableMask]
@@ -326,7 +326,7 @@ func (s *sequenceDecs) updateAlt(br *bitReader) {
s.offsets.state.state = s.offsets.state.dt[c.newState()]
return
}
- bits := br.getBitsFast(nBits)
+ bits := br.get32BitsFast(nBits)
lowBits := uint16(bits >> ((c.nbBits() + b.nbBits()) & 31))
s.litLengths.state.state = s.litLengths.state.dt[a.newState()+lowBits]