parent
d927801c06
commit
b54c0bebdb
@ -1,5 +0,0 @@
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package huff0
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//go:generate go run generate.go
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//go:generate asmfmt -w decompress_amd64.s
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//go:generate asmfmt -w decompress_8b_amd64.s
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@ -1,488 +0,0 @@
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// +build !appengine
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// +build gc
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// +build !noasm
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#include "textflag.h"
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#include "funcdata.h"
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#include "go_asm.h"
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#define bufoff 256 // see decompress.go, we're using [4][256]byte table
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// func decompress4x_main_loop_x86(pbr0, pbr1, pbr2, pbr3 *bitReaderShifted,
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// peekBits uint8, buf *byte, tbl *dEntrySingle) (int, bool)
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TEXT ·decompress4x_8b_loop_x86(SB), NOSPLIT, $8
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#define off R8
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#define buffer DI
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#define table SI
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#define br_bits_read R9
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#define br_value R10
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#define br_offset R11
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#define peek_bits R12
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#define exhausted DX
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#define br0 R13
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#define br1 R14
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#define br2 R15
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#define br3 BP
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MOVQ BP, 0(SP)
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XORQ exhausted, exhausted // exhausted = false
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XORQ off, off // off = 0
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MOVBQZX peekBits+32(FP), peek_bits
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MOVQ buf+40(FP), buffer
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MOVQ tbl+48(FP), table
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MOVQ pbr0+0(FP), br0
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MOVQ pbr1+8(FP), br1
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MOVQ pbr2+16(FP), br2
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MOVQ pbr3+24(FP), br3
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main_loop:
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// const stream = 0
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// br0.fillFast()
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MOVBQZX bitReaderShifted_bitsRead(br0), br_bits_read
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MOVQ bitReaderShifted_value(br0), br_value
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MOVQ bitReaderShifted_off(br0), br_offset
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// if b.bitsRead >= 32 {
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CMPQ br_bits_read, $32
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JB skip_fill0
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SUBQ $32, br_bits_read // b.bitsRead -= 32
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SUBQ $4, br_offset // b.off -= 4
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// v := b.in[b.off-4 : b.off]
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// v = v[:4]
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// low := (uint32(v[0])) | (uint32(v[1]) << 8) | (uint32(v[2]) << 16) | (uint32(v[3]) << 24)
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MOVQ bitReaderShifted_in(br0), AX
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MOVL 0(br_offset)(AX*1), AX // AX = uint32(b.in[b.off:b.off+4])
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// b.value |= uint64(low) << (b.bitsRead & 63)
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MOVQ br_bits_read, CX
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SHLQ CL, AX
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ORQ AX, br_value
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// exhausted = exhausted || (br0.off < 4)
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CMPQ br_offset, $4
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SETLT DL
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ORB DL, DH
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// }
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skip_fill0:
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// val0 := br0.peekTopBits(peekBits)
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MOVQ br_value, AX
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MOVQ peek_bits, CX
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SHRQ CL, AX // AX = (value >> peek_bits) & mask
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// v0 := table[val0&mask]
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MOVW 0(table)(AX*2), AX // AX - v0
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// br0.advance(uint8(v0.entry))
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MOVB AH, BL // BL = uint8(v0.entry >> 8)
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MOVBQZX AL, CX
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SHLQ CL, br_value // value <<= n
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ADDQ CX, br_bits_read // bits_read += n
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// val1 := br0.peekTopBits(peekBits)
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MOVQ peek_bits, CX
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MOVQ br_value, AX
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SHRQ CL, AX // AX = (value >> peek_bits) & mask
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// v1 := table[val1&mask]
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MOVW 0(table)(AX*2), AX // AX - v1
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// br0.advance(uint8(v1.entry))
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MOVB AH, BH // BH = uint8(v1.entry >> 8)
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MOVBQZX AL, CX
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SHLQ CX, br_value // value <<= n
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ADDQ CX, br_bits_read // bits_read += n
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// these two writes get coalesced
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// buf[stream][off] = uint8(v0.entry >> 8)
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// buf[stream][off+1] = uint8(v1.entry >> 8)
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MOVW BX, 0(buffer)(off*1)
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// SECOND PART:
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// val2 := br0.peekTopBits(peekBits)
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MOVQ br_value, AX
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MOVQ peek_bits, CX
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SHRQ CL, AX // AX = (value >> peek_bits) & mask
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// v2 := table[val0&mask]
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MOVW 0(table)(AX*2), AX // AX - v0
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// br0.advance(uint8(v0.entry))
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MOVB AH, BL // BL = uint8(v0.entry >> 8)
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MOVBQZX AL, CX
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SHLQ CL, br_value // value <<= n
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ADDQ CX, br_bits_read // bits_read += n
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// val3 := br0.peekTopBits(peekBits)
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MOVQ peek_bits, CX
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MOVQ br_value, AX
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SHRQ CL, AX // AX = (value >> peek_bits) & mask
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// v3 := table[val1&mask]
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MOVW 0(table)(AX*2), AX // AX - v1
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// br0.advance(uint8(v1.entry))
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MOVB AH, BH // BH = uint8(v1.entry >> 8)
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MOVBQZX AL, CX
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SHLQ CX, br_value // value <<= n
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ADDQ CX, br_bits_read // bits_read += n
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// these two writes get coalesced
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// buf[stream][off+2] = uint8(v2.entry >> 8)
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// buf[stream][off+3] = uint8(v3.entry >> 8)
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MOVW BX, 0+2(buffer)(off*1)
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// update the bitrader reader structure
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MOVB br_bits_read, bitReaderShifted_bitsRead(br0)
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MOVQ br_value, bitReaderShifted_value(br0)
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MOVQ br_offset, bitReaderShifted_off(br0)
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// const stream = 1
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// br1.fillFast()
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MOVBQZX bitReaderShifted_bitsRead(br1), br_bits_read
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MOVQ bitReaderShifted_value(br1), br_value
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MOVQ bitReaderShifted_off(br1), br_offset
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// if b.bitsRead >= 32 {
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CMPQ br_bits_read, $32
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JB skip_fill1
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SUBQ $32, br_bits_read // b.bitsRead -= 32
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SUBQ $4, br_offset // b.off -= 4
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// v := b.in[b.off-4 : b.off]
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// v = v[:4]
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// low := (uint32(v[0])) | (uint32(v[1]) << 8) | (uint32(v[2]) << 16) | (uint32(v[3]) << 24)
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MOVQ bitReaderShifted_in(br1), AX
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MOVL 0(br_offset)(AX*1), AX // AX = uint32(b.in[b.off:b.off+4])
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// b.value |= uint64(low) << (b.bitsRead & 63)
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MOVQ br_bits_read, CX
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SHLQ CL, AX
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ORQ AX, br_value
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// exhausted = exhausted || (br1.off < 4)
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CMPQ br_offset, $4
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SETLT DL
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ORB DL, DH
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// }
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skip_fill1:
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// val0 := br1.peekTopBits(peekBits)
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MOVQ br_value, AX
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MOVQ peek_bits, CX
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SHRQ CL, AX // AX = (value >> peek_bits) & mask
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// v0 := table[val0&mask]
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MOVW 0(table)(AX*2), AX // AX - v0
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// br1.advance(uint8(v0.entry))
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MOVB AH, BL // BL = uint8(v0.entry >> 8)
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MOVBQZX AL, CX
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SHLQ CL, br_value // value <<= n
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ADDQ CX, br_bits_read // bits_read += n
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// val1 := br1.peekTopBits(peekBits)
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MOVQ peek_bits, CX
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MOVQ br_value, AX
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SHRQ CL, AX // AX = (value >> peek_bits) & mask
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// v1 := table[val1&mask]
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MOVW 0(table)(AX*2), AX // AX - v1
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// br1.advance(uint8(v1.entry))
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MOVB AH, BH // BH = uint8(v1.entry >> 8)
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MOVBQZX AL, CX
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SHLQ CX, br_value // value <<= n
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ADDQ CX, br_bits_read // bits_read += n
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// these two writes get coalesced
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// buf[stream][off] = uint8(v0.entry >> 8)
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// buf[stream][off+1] = uint8(v1.entry >> 8)
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MOVW BX, 256(buffer)(off*1)
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// SECOND PART:
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// val2 := br1.peekTopBits(peekBits)
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MOVQ br_value, AX
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MOVQ peek_bits, CX
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SHRQ CL, AX // AX = (value >> peek_bits) & mask
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// v2 := table[val0&mask]
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MOVW 0(table)(AX*2), AX // AX - v0
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// br1.advance(uint8(v0.entry))
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MOVB AH, BL // BL = uint8(v0.entry >> 8)
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MOVBQZX AL, CX
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SHLQ CL, br_value // value <<= n
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ADDQ CX, br_bits_read // bits_read += n
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// val3 := br1.peekTopBits(peekBits)
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MOVQ peek_bits, CX
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MOVQ br_value, AX
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SHRQ CL, AX // AX = (value >> peek_bits) & mask
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// v3 := table[val1&mask]
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MOVW 0(table)(AX*2), AX // AX - v1
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// br1.advance(uint8(v1.entry))
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MOVB AH, BH // BH = uint8(v1.entry >> 8)
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MOVBQZX AL, CX
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SHLQ CX, br_value // value <<= n
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ADDQ CX, br_bits_read // bits_read += n
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// these two writes get coalesced
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// buf[stream][off+2] = uint8(v2.entry >> 8)
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// buf[stream][off+3] = uint8(v3.entry >> 8)
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MOVW BX, 256+2(buffer)(off*1)
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// update the bitrader reader structure
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MOVB br_bits_read, bitReaderShifted_bitsRead(br1)
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MOVQ br_value, bitReaderShifted_value(br1)
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MOVQ br_offset, bitReaderShifted_off(br1)
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// const stream = 2
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// br2.fillFast()
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MOVBQZX bitReaderShifted_bitsRead(br2), br_bits_read
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MOVQ bitReaderShifted_value(br2), br_value
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MOVQ bitReaderShifted_off(br2), br_offset
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// if b.bitsRead >= 32 {
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CMPQ br_bits_read, $32
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JB skip_fill2
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SUBQ $32, br_bits_read // b.bitsRead -= 32
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SUBQ $4, br_offset // b.off -= 4
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// v := b.in[b.off-4 : b.off]
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// v = v[:4]
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// low := (uint32(v[0])) | (uint32(v[1]) << 8) | (uint32(v[2]) << 16) | (uint32(v[3]) << 24)
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MOVQ bitReaderShifted_in(br2), AX
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MOVL 0(br_offset)(AX*1), AX // AX = uint32(b.in[b.off:b.off+4])
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// b.value |= uint64(low) << (b.bitsRead & 63)
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MOVQ br_bits_read, CX
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SHLQ CL, AX
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ORQ AX, br_value
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// exhausted = exhausted || (br2.off < 4)
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CMPQ br_offset, $4
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SETLT DL
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ORB DL, DH
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// }
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skip_fill2:
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// val0 := br2.peekTopBits(peekBits)
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MOVQ br_value, AX
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MOVQ peek_bits, CX
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SHRQ CL, AX // AX = (value >> peek_bits) & mask
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// v0 := table[val0&mask]
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MOVW 0(table)(AX*2), AX // AX - v0
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// br2.advance(uint8(v0.entry))
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MOVB AH, BL // BL = uint8(v0.entry >> 8)
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MOVBQZX AL, CX
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SHLQ CL, br_value // value <<= n
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ADDQ CX, br_bits_read // bits_read += n
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// val1 := br2.peekTopBits(peekBits)
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MOVQ peek_bits, CX
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MOVQ br_value, AX
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SHRQ CL, AX // AX = (value >> peek_bits) & mask
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// v1 := table[val1&mask]
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MOVW 0(table)(AX*2), AX // AX - v1
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// br2.advance(uint8(v1.entry))
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MOVB AH, BH // BH = uint8(v1.entry >> 8)
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MOVBQZX AL, CX
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SHLQ CX, br_value // value <<= n
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ADDQ CX, br_bits_read // bits_read += n
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// these two writes get coalesced
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// buf[stream][off] = uint8(v0.entry >> 8)
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// buf[stream][off+1] = uint8(v1.entry >> 8)
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MOVW BX, 512(buffer)(off*1)
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// SECOND PART:
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// val2 := br2.peekTopBits(peekBits)
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MOVQ br_value, AX
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MOVQ peek_bits, CX
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SHRQ CL, AX // AX = (value >> peek_bits) & mask
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// v2 := table[val0&mask]
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MOVW 0(table)(AX*2), AX // AX - v0
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// br2.advance(uint8(v0.entry))
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MOVB AH, BL // BL = uint8(v0.entry >> 8)
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MOVBQZX AL, CX
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SHLQ CL, br_value // value <<= n
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ADDQ CX, br_bits_read // bits_read += n
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// val3 := br2.peekTopBits(peekBits)
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MOVQ peek_bits, CX
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MOVQ br_value, AX
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SHRQ CL, AX // AX = (value >> peek_bits) & mask
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// v3 := table[val1&mask]
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MOVW 0(table)(AX*2), AX // AX - v1
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// br2.advance(uint8(v1.entry))
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MOVB AH, BH // BH = uint8(v1.entry >> 8)
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MOVBQZX AL, CX
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SHLQ CX, br_value // value <<= n
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ADDQ CX, br_bits_read // bits_read += n
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// these two writes get coalesced
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// buf[stream][off+2] = uint8(v2.entry >> 8)
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// buf[stream][off+3] = uint8(v3.entry >> 8)
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MOVW BX, 512+2(buffer)(off*1)
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// update the bitrader reader structure
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MOVB br_bits_read, bitReaderShifted_bitsRead(br2)
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MOVQ br_value, bitReaderShifted_value(br2)
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MOVQ br_offset, bitReaderShifted_off(br2)
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// const stream = 3
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// br3.fillFast()
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MOVBQZX bitReaderShifted_bitsRead(br3), br_bits_read
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MOVQ bitReaderShifted_value(br3), br_value
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MOVQ bitReaderShifted_off(br3), br_offset
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// if b.bitsRead >= 32 {
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CMPQ br_bits_read, $32
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JB skip_fill3
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SUBQ $32, br_bits_read // b.bitsRead -= 32
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SUBQ $4, br_offset // b.off -= 4
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// v := b.in[b.off-4 : b.off]
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// v = v[:4]
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// low := (uint32(v[0])) | (uint32(v[1]) << 8) | (uint32(v[2]) << 16) | (uint32(v[3]) << 24)
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MOVQ bitReaderShifted_in(br3), AX
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MOVL 0(br_offset)(AX*1), AX // AX = uint32(b.in[b.off:b.off+4])
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// b.value |= uint64(low) << (b.bitsRead & 63)
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MOVQ br_bits_read, CX
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SHLQ CL, AX
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ORQ AX, br_value
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// exhausted = exhausted || (br3.off < 4)
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CMPQ br_offset, $4
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SETLT DL
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ORB DL, DH
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// }
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skip_fill3:
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// val0 := br3.peekTopBits(peekBits)
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MOVQ br_value, AX
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MOVQ peek_bits, CX
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SHRQ CL, AX // AX = (value >> peek_bits) & mask
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// v0 := table[val0&mask]
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MOVW 0(table)(AX*2), AX // AX - v0
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// br3.advance(uint8(v0.entry))
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MOVB AH, BL // BL = uint8(v0.entry >> 8)
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MOVBQZX AL, CX
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SHLQ CL, br_value // value <<= n
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ADDQ CX, br_bits_read // bits_read += n
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// val1 := br3.peekTopBits(peekBits)
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MOVQ peek_bits, CX
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MOVQ br_value, AX
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SHRQ CL, AX // AX = (value >> peek_bits) & mask
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// v1 := table[val1&mask]
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MOVW 0(table)(AX*2), AX // AX - v1
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// br3.advance(uint8(v1.entry))
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MOVB AH, BH // BH = uint8(v1.entry >> 8)
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MOVBQZX AL, CX
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SHLQ CX, br_value // value <<= n
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ADDQ CX, br_bits_read // bits_read += n
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// these two writes get coalesced
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// buf[stream][off] = uint8(v0.entry >> 8)
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// buf[stream][off+1] = uint8(v1.entry >> 8)
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MOVW BX, 768(buffer)(off*1)
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// SECOND PART:
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// val2 := br3.peekTopBits(peekBits)
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MOVQ br_value, AX
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MOVQ peek_bits, CX
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SHRQ CL, AX // AX = (value >> peek_bits) & mask
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// v2 := table[val0&mask]
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MOVW 0(table)(AX*2), AX // AX - v0
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// br3.advance(uint8(v0.entry))
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MOVB AH, BL // BL = uint8(v0.entry >> 8)
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MOVBQZX AL, CX
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SHLQ CL, br_value // value <<= n
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ADDQ CX, br_bits_read // bits_read += n
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|
||||
// val3 := br3.peekTopBits(peekBits)
|
||||
MOVQ peek_bits, CX
|
||||
MOVQ br_value, AX
|
||||
SHRQ CL, AX // AX = (value >> peek_bits) & mask
|
||||
|
||||
// v3 := table[val1&mask]
|
||||
MOVW 0(table)(AX*2), AX // AX - v1
|
||||
|
||||
// br3.advance(uint8(v1.entry))
|
||||
MOVB AH, BH // BH = uint8(v1.entry >> 8)
|
||||
MOVBQZX AL, CX
|
||||
SHLQ CX, br_value // value <<= n
|
||||
ADDQ CX, br_bits_read // bits_read += n
|
||||
|
||||
// these two writes get coalesced
|
||||
// buf[stream][off+2] = uint8(v2.entry >> 8)
|
||||
// buf[stream][off+3] = uint8(v3.entry >> 8)
|
||||
MOVW BX, 768+2(buffer)(off*1)
|
||||
|
||||
// update the bitrader reader structure
|
||||
MOVB br_bits_read, bitReaderShifted_bitsRead(br3)
|
||||
MOVQ br_value, bitReaderShifted_value(br3)
|
||||
MOVQ br_offset, bitReaderShifted_off(br3)
|
||||
|
||||
ADDQ $4, off // off += 2
|
||||
|
||||
TESTB DH, DH // any br[i].ofs < 4?
|
||||
JNZ end
|
||||
|
||||
CMPQ off, $bufoff
|
||||
JL main_loop
|
||||
|
||||
end:
|
||||
MOVQ 0(SP), BP
|
||||
|
||||
MOVB off, ret+56(FP)
|
||||
RET
|
||||
|
||||
#undef off
|
||||
#undef buffer
|
||||
#undef table
|
||||
|
||||
#undef br_bits_read
|
||||
#undef br_value
|
||||
#undef br_offset
|
||||
#undef peek_bits
|
||||
#undef exhausted
|
||||
|
||||
#undef br0
|
||||
#undef br1
|
||||
#undef br2
|
||||
#undef br3
|
||||
@ -1,197 +0,0 @@
|
||||
// +build !appengine
|
||||
// +build gc
|
||||
// +build !noasm
|
||||
|
||||
#include "textflag.h"
|
||||
#include "funcdata.h"
|
||||
#include "go_asm.h"
|
||||
|
||||
|
||||
#define bufoff 256 // see decompress.go, we're using [4][256]byte table
|
||||
|
||||
//func decompress4x_main_loop_x86(pbr0, pbr1, pbr2, pbr3 *bitReaderShifted,
|
||||
// peekBits uint8, buf *byte, tbl *dEntrySingle) (int, bool)
|
||||
TEXT ·decompress4x_8b_loop_x86(SB), NOSPLIT, $8
|
||||
#define off R8
|
||||
#define buffer DI
|
||||
#define table SI
|
||||
|
||||
#define br_bits_read R9
|
||||
#define br_value R10
|
||||
#define br_offset R11
|
||||
#define peek_bits R12
|
||||
#define exhausted DX
|
||||
|
||||
#define br0 R13
|
||||
#define br1 R14
|
||||
#define br2 R15
|
||||
#define br3 BP
|
||||
|
||||
MOVQ BP, 0(SP)
|
||||
|
||||
XORQ exhausted, exhausted // exhausted = false
|
||||
XORQ off, off // off = 0
|
||||
|
||||
MOVBQZX peekBits+32(FP), peek_bits
|
||||
MOVQ buf+40(FP), buffer
|
||||
MOVQ tbl+48(FP), table
|
||||
|
||||
MOVQ pbr0+0(FP), br0
|
||||
MOVQ pbr1+8(FP), br1
|
||||
MOVQ pbr2+16(FP), br2
|
||||
MOVQ pbr3+24(FP), br3
|
||||
|
||||
main_loop:
|
||||
{{ define "decode_2_values_x86" }}
|
||||
// const stream = {{ var "id" }}
|
||||
// br{{ var "id"}}.fillFast()
|
||||
MOVBQZX bitReaderShifted_bitsRead(br{{ var "id" }}), br_bits_read
|
||||
MOVQ bitReaderShifted_value(br{{ var "id" }}), br_value
|
||||
MOVQ bitReaderShifted_off(br{{ var "id" }}), br_offset
|
||||
|
||||
// if b.bitsRead >= 32 {
|
||||
CMPQ br_bits_read, $32
|
||||
JB skip_fill{{ var "id" }}
|
||||
|
||||
SUBQ $32, br_bits_read // b.bitsRead -= 32
|
||||
SUBQ $4, br_offset // b.off -= 4
|
||||
|
||||
// v := b.in[b.off-4 : b.off]
|
||||
// v = v[:4]
|
||||
// low := (uint32(v[0])) | (uint32(v[1]) << 8) | (uint32(v[2]) << 16) | (uint32(v[3]) << 24)
|
||||
MOVQ bitReaderShifted_in(br{{ var "id" }}), AX
|
||||
MOVL 0(br_offset)(AX*1), AX // AX = uint32(b.in[b.off:b.off+4])
|
||||
|
||||
// b.value |= uint64(low) << (b.bitsRead & 63)
|
||||
MOVQ br_bits_read, CX
|
||||
SHLQ CL, AX
|
||||
ORQ AX, br_value
|
||||
|
||||
// exhausted = exhausted || (br{{ var "id"}}.off < 4)
|
||||
CMPQ br_offset, $4
|
||||
SETLT DL
|
||||
ORB DL, DH
|
||||
// }
|
||||
skip_fill{{ var "id" }}:
|
||||
|
||||
// val0 := br{{ var "id"}}.peekTopBits(peekBits)
|
||||
MOVQ br_value, AX
|
||||
MOVQ peek_bits, CX
|
||||
SHRQ CL, AX // AX = (value >> peek_bits) & mask
|
||||
|
||||
// v0 := table[val0&mask]
|
||||
MOVW 0(table)(AX*2), AX // AX - v0
|
||||
|
||||
// br{{ var "id"}}.advance(uint8(v0.entry))
|
||||
MOVB AH, BL // BL = uint8(v0.entry >> 8)
|
||||
MOVBQZX AL, CX
|
||||
SHLQ CL, br_value // value <<= n
|
||||
ADDQ CX, br_bits_read // bits_read += n
|
||||
|
||||
// val1 := br{{ var "id"}}.peekTopBits(peekBits)
|
||||
MOVQ peek_bits, CX
|
||||
MOVQ br_value, AX
|
||||
SHRQ CL, AX // AX = (value >> peek_bits) & mask
|
||||
|
||||
// v1 := table[val1&mask]
|
||||
MOVW 0(table)(AX*2), AX // AX - v1
|
||||
|
||||
// br{{ var "id"}}.advance(uint8(v1.entry))
|
||||
MOVB AH, BH // BH = uint8(v1.entry >> 8)
|
||||
MOVBQZX AL, CX
|
||||
SHLQ CX, br_value // value <<= n
|
||||
ADDQ CX, br_bits_read // bits_read += n
|
||||
|
||||
|
||||
// these two writes get coalesced
|
||||
// buf[stream][off] = uint8(v0.entry >> 8)
|
||||
// buf[stream][off+1] = uint8(v1.entry >> 8)
|
||||
MOVW BX, {{ var "bufofs" }}(buffer)(off*1)
|
||||
|
||||
// SECOND PART:
|
||||
// val2 := br{{ var "id"}}.peekTopBits(peekBits)
|
||||
MOVQ br_value, AX
|
||||
MOVQ peek_bits, CX
|
||||
SHRQ CL, AX // AX = (value >> peek_bits) & mask
|
||||
|
||||
// v2 := table[val0&mask]
|
||||
MOVW 0(table)(AX*2), AX // AX - v0
|
||||
|
||||
// br{{ var "id"}}.advance(uint8(v0.entry))
|
||||
MOVB AH, BL // BL = uint8(v0.entry >> 8)
|
||||
MOVBQZX AL, CX
|
||||
SHLQ CL, br_value // value <<= n
|
||||
ADDQ CX, br_bits_read // bits_read += n
|
||||
|
||||
// val3 := br{{ var "id"}}.peekTopBits(peekBits)
|
||||
MOVQ peek_bits, CX
|
||||
MOVQ br_value, AX
|
||||
SHRQ CL, AX // AX = (value >> peek_bits) & mask
|
||||
|
||||
// v3 := table[val1&mask]
|
||||
MOVW 0(table)(AX*2), AX // AX - v1
|
||||
|
||||
// br{{ var "id"}}.advance(uint8(v1.entry))
|
||||
MOVB AH, BH // BH = uint8(v1.entry >> 8)
|
||||
MOVBQZX AL, CX
|
||||
SHLQ CX, br_value // value <<= n
|
||||
ADDQ CX, br_bits_read // bits_read += n
|
||||
|
||||
|
||||
// these two writes get coalesced
|
||||
// buf[stream][off+2] = uint8(v2.entry >> 8)
|
||||
// buf[stream][off+3] = uint8(v3.entry >> 8)
|
||||
MOVW BX, {{ var "bufofs" }}+2(buffer)(off*1)
|
||||
|
||||
// update the bitrader reader structure
|
||||
MOVB br_bits_read, bitReaderShifted_bitsRead(br{{ var "id" }})
|
||||
MOVQ br_value, bitReaderShifted_value(br{{ var "id" }})
|
||||
MOVQ br_offset, bitReaderShifted_off(br{{ var "id" }})
|
||||
{{ end }}
|
||||
|
||||
{{ set "id" "0" }}
|
||||
{{ set "ofs" "0" }}
|
||||
{{ set "bufofs" "0" }} {{/* id * bufoff */}}
|
||||
{{ template "decode_2_values_x86" . }}
|
||||
|
||||
{{ set "id" "1" }}
|
||||
{{ set "ofs" "8" }}
|
||||
{{ set "bufofs" "256" }}
|
||||
{{ template "decode_2_values_x86" . }}
|
||||
|
||||
{{ set "id" "2" }}
|
||||
{{ set "ofs" "16" }}
|
||||
{{ set "bufofs" "512" }}
|
||||
{{ template "decode_2_values_x86" . }}
|
||||
|
||||
{{ set "id" "3" }}
|
||||
{{ set "ofs" "24" }}
|
||||
{{ set "bufofs" "768" }}
|
||||
{{ template "decode_2_values_x86" . }}
|
||||
|
||||
ADDQ $4, off // off += 2
|
||||
|
||||
TESTB DH, DH // any br[i].ofs < 4?
|
||||
JNZ end
|
||||
|
||||
CMPQ off, $bufoff
|
||||
JL main_loop
|
||||
end:
|
||||
MOVQ 0(SP), BP
|
||||
|
||||
MOVB off, ret+56(FP)
|
||||
RET
|
||||
#undef off
|
||||
#undef buffer
|
||||
#undef table
|
||||
|
||||
#undef br_bits_read
|
||||
#undef br_value
|
||||
#undef br_offset
|
||||
#undef peek_bits
|
||||
#undef exhausted
|
||||
|
||||
#undef br0
|
||||
#undef br1
|
||||
#undef br2
|
||||
#undef br3
|
||||
File diff suppressed because it is too large
Load Diff
@ -1,195 +0,0 @@
|
||||
// +build !appengine
|
||||
// +build gc
|
||||
// +build !noasm
|
||||
|
||||
#include "textflag.h"
|
||||
#include "funcdata.h"
|
||||
#include "go_asm.h"
|
||||
|
||||
#ifdef GOAMD64_v4
|
||||
#ifndef GOAMD64_v3
|
||||
#define GOAMD64_v3
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#define bufoff 256 // see decompress.go, we're using [4][256]byte table
|
||||
|
||||
//func decompress4x_main_loop_x86(pbr0, pbr1, pbr2, pbr3 *bitReaderShifted,
|
||||
// peekBits uint8, buf *byte, tbl *dEntrySingle) (int, bool)
|
||||
TEXT ·decompress4x_main_loop_x86(SB), NOSPLIT, $8
|
||||
#define off R8
|
||||
#define buffer DI
|
||||
#define table SI
|
||||
|
||||
#define br_bits_read R9
|
||||
#define br_value R10
|
||||
#define br_offset R11
|
||||
#define peek_bits R12
|
||||
#define exhausted DX
|
||||
|
||||
#define br0 R13
|
||||
#define br1 R14
|
||||
#define br2 R15
|
||||
#define br3 BP
|
||||
|
||||
MOVQ BP, 0(SP)
|
||||
|
||||
XORQ exhausted, exhausted // exhausted = false
|
||||
XORQ off, off // off = 0
|
||||
|
||||
MOVBQZX peekBits+32(FP), peek_bits
|
||||
MOVQ buf+40(FP), buffer
|
||||
MOVQ tbl+48(FP), table
|
||||
|
||||
MOVQ pbr0+0(FP), br0
|
||||
MOVQ pbr1+8(FP), br1
|
||||
MOVQ pbr2+16(FP), br2
|
||||
MOVQ pbr3+24(FP), br3
|
||||
|
||||
main_loop:
|
||||
{{ define "decode_2_values_x86" }}
|
||||
// const stream = {{ var "id" }}
|
||||
// br{{ var "id"}}.fillFast()
|
||||
MOVBQZX bitReaderShifted_bitsRead(br{{ var "id" }}), br_bits_read
|
||||
MOVQ bitReaderShifted_value(br{{ var "id" }}), br_value
|
||||
MOVQ bitReaderShifted_off(br{{ var "id" }}), br_offset
|
||||
|
||||
// We must have at least 2 * max tablelog left
|
||||
CMPQ br_bits_read, $64-22
|
||||
JBE skip_fill{{ var "id" }}
|
||||
|
||||
SUBQ $32, br_bits_read // b.bitsRead -= 32
|
||||
SUBQ $4, br_offset // b.off -= 4
|
||||
|
||||
// v := b.in[b.off-4 : b.off]
|
||||
// v = v[:4]
|
||||
// low := (uint32(v[0])) | (uint32(v[1]) << 8) | (uint32(v[2]) << 16) | (uint32(v[3]) << 24)
|
||||
MOVQ bitReaderShifted_in(br{{ var "id" }}), AX
|
||||
|
||||
// b.value |= uint64(low) << (b.bitsRead & 63)
|
||||
#ifdef GOAMD64_v3
|
||||
SHLXQ br_bits_read, 0(br_offset)(AX*1), AX // AX = uint32(b.in[b.off:b.off+4]) << (b.bitsRead & 63)
|
||||
#else
|
||||
MOVL 0(br_offset)(AX*1), AX // AX = uint32(b.in[b.off:b.off+4])
|
||||
MOVQ br_bits_read, CX
|
||||
SHLQ CL, AX
|
||||
#endif
|
||||
|
||||
ORQ AX, br_value
|
||||
|
||||
// exhausted = exhausted || (br{{ var "id"}}.off < 4)
|
||||
CMPQ br_offset, $4
|
||||
SETLT DL
|
||||
ORB DL, DH
|
||||
// }
|
||||
skip_fill{{ var "id" }}:
|
||||
|
||||
// val0 := br{{ var "id"}}.peekTopBits(peekBits)
|
||||
#ifdef GOAMD64_v3
|
||||
SHRXQ peek_bits, br_value, AX // AX = (value >> peek_bits) & mask
|
||||
#else
|
||||
MOVQ br_value, AX
|
||||
MOVQ peek_bits, CX
|
||||
SHRQ CL, AX // AX = (value >> peek_bits) & mask
|
||||
#endif
|
||||
|
||||
// v0 := table[val0&mask]
|
||||
MOVW 0(table)(AX*2), AX // AX - v0
|
||||
|
||||
// br{{ var "id"}}.advance(uint8(v0.entry))
|
||||
MOVB AH, BL // BL = uint8(v0.entry >> 8)
|
||||
|
||||
#ifdef GOAMD64_v3
|
||||
MOVBQZX AL, CX
|
||||
SHLXQ AX, br_value, br_value // value <<= n
|
||||
#else
|
||||
MOVBQZX AL, CX
|
||||
SHLQ CL, br_value // value <<= n
|
||||
#endif
|
||||
|
||||
ADDQ CX, br_bits_read // bits_read += n
|
||||
|
||||
|
||||
#ifdef GOAMD64_v3
|
||||
SHRXQ peek_bits, br_value, AX // AX = (value >> peek_bits) & mask
|
||||
#else
|
||||
// val1 := br{{ var "id"}}.peekTopBits(peekBits)
|
||||
MOVQ peek_bits, CX
|
||||
MOVQ br_value, AX
|
||||
SHRQ CL, AX // AX = (value >> peek_bits) & mask
|
||||
#endif
|
||||
|
||||
// v1 := table[val1&mask]
|
||||
MOVW 0(table)(AX*2), AX // AX - v1
|
||||
|
||||
// br{{ var "id"}}.advance(uint8(v1.entry))
|
||||
MOVB AH, BH // BH = uint8(v1.entry >> 8)
|
||||
|
||||
#ifdef GOAMD64_v3
|
||||
MOVBQZX AL, CX
|
||||
SHLXQ AX, br_value, br_value // value <<= n
|
||||
#else
|
||||
MOVBQZX AL, CX
|
||||
SHLQ CL, br_value // value <<= n
|
||||
#endif
|
||||
|
||||
ADDQ CX, br_bits_read // bits_read += n
|
||||
|
||||
|
||||
// these two writes get coalesced
|
||||
// buf[stream][off] = uint8(v0.entry >> 8)
|
||||
// buf[stream][off+1] = uint8(v1.entry >> 8)
|
||||
MOVW BX, {{ var "bufofs" }}(buffer)(off*1)
|
||||
|
||||
// update the bitrader reader structure
|
||||
MOVB br_bits_read, bitReaderShifted_bitsRead(br{{ var "id" }})
|
||||
MOVQ br_value, bitReaderShifted_value(br{{ var "id" }})
|
||||
MOVQ br_offset, bitReaderShifted_off(br{{ var "id" }})
|
||||
{{ end }}
|
||||
|
||||
{{ set "id" "0" }}
|
||||
{{ set "ofs" "0" }}
|
||||
{{ set "bufofs" "0" }} {{/* id * bufoff */}}
|
||||
{{ template "decode_2_values_x86" . }}
|
||||
|
||||
{{ set "id" "1" }}
|
||||
{{ set "ofs" "8" }}
|
||||
{{ set "bufofs" "256" }}
|
||||
{{ template "decode_2_values_x86" . }}
|
||||
|
||||
{{ set "id" "2" }}
|
||||
{{ set "ofs" "16" }}
|
||||
{{ set "bufofs" "512" }}
|
||||
{{ template "decode_2_values_x86" . }}
|
||||
|
||||
{{ set "id" "3" }}
|
||||
{{ set "ofs" "24" }}
|
||||
{{ set "bufofs" "768" }}
|
||||
{{ template "decode_2_values_x86" . }}
|
||||
|
||||
ADDQ $2, off // off += 2
|
||||
|
||||
TESTB DH, DH // any br[i].ofs < 4?
|
||||
JNZ end
|
||||
|
||||
CMPQ off, $bufoff
|
||||
JL main_loop
|
||||
end:
|
||||
MOVQ 0(SP), BP
|
||||
|
||||
MOVB off, ret+56(FP)
|
||||
RET
|
||||
#undef off
|
||||
#undef buffer
|
||||
#undef table
|
||||
|
||||
#undef br_bits_read
|
||||
#undef br_value
|
||||
#undef br_offset
|
||||
#undef peek_bits
|
||||
#undef exhausted
|
||||
|
||||
#undef br0
|
||||
#undef br1
|
||||
#undef br2
|
||||
#undef br3
|
||||
@ -1,11 +0,0 @@
|
||||
//go:build ignorecrc
|
||||
// +build ignorecrc
|
||||
|
||||
// Copyright 2019+ Klaus Post. All rights reserved.
|
||||
// License information can be found in the LICENSE file.
|
||||
// Based on work by Yann Collet, released under BSD License.
|
||||
|
||||
package zstd
|
||||
|
||||
// ignoreCRC can be used for fuzz testing to ignore CRC values...
|
||||
const ignoreCRC = true
|
||||
@ -1,11 +0,0 @@
|
||||
//go:build !ignorecrc
|
||||
// +build !ignorecrc
|
||||
|
||||
// Copyright 2019+ Klaus Post. All rights reserved.
|
||||
// License information can be found in the LICENSE file.
|
||||
// Based on work by Yann Collet, released under BSD License.
|
||||
|
||||
package zstd
|
||||
|
||||
// ignoreCRC can be used for fuzz testing to ignore CRC values...
|
||||
const ignoreCRC = false
|
||||
@ -1,3 +0,0 @@
|
||||
cmd/xurls/xurls
|
||||
generate/tldsgen/tldsgen
|
||||
generate/regexgen/regexgen
|
||||
@ -1,4 +0,0 @@
|
||||
language: go
|
||||
|
||||
go:
|
||||
- 1.7.x
|
||||
@ -1,27 +0,0 @@
|
||||
Copyright (c) 2015, Daniel Martí. All rights reserved.
|
||||
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted provided that the following conditions are
|
||||
met:
|
||||
|
||||
* Redistributions of source code must retain the above copyright
|
||||
notice, this list of conditions and the following disclaimer.
|
||||
* Redistributions in binary form must reproduce the above
|
||||
copyright notice, this list of conditions and the following disclaimer
|
||||
in the documentation and/or other materials provided with the
|
||||
distribution.
|
||||
* Neither the name of the copyright holder nor the names of its
|
||||
contributors may be used to endorse or promote products derived from
|
||||
this software without specific prior written permission.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
@ -1,40 +0,0 @@
|
||||
# xurls
|
||||
|
||||
[](https://godoc.org/github.com/mvdan/xurls)
|
||||
[](https://travis-ci.org/mvdan/xurls)
|
||||
|
||||
Extract urls from text using regular expressions.
|
||||
|
||||
go get -u github.com/mvdan/xurls
|
||||
|
||||
```go
|
||||
import "github.com/mvdan/xurls"
|
||||
|
||||
func main() {
|
||||
xurls.Relaxed.FindString("Do gophers live in golang.org?")
|
||||
// "golang.org"
|
||||
xurls.Strict.FindAllString("foo.com is http://foo.com/.", -1)
|
||||
// []string{"http://foo.com/"}
|
||||
}
|
||||
```
|
||||
|
||||
`Relaxed` is around five times slower than `Strict` since it does more
|
||||
work to find the URLs without relying on the scheme:
|
||||
|
||||
```
|
||||
BenchmarkStrictEmpty-4 1000000 1885 ns/op
|
||||
BenchmarkStrictSingle-4 200000 8356 ns/op
|
||||
BenchmarkStrictMany-4 100000 22547 ns/op
|
||||
BenchmarkRelaxedEmpty-4 200000 7284 ns/op
|
||||
BenchmarkRelaxedSingle-4 30000 58557 ns/op
|
||||
BenchmarkRelaxedMany-4 10000 130251 ns/op
|
||||
```
|
||||
|
||||
#### cmd/xurls
|
||||
|
||||
go get -u github.com/mvdan/xurls/cmd/xurls
|
||||
|
||||
```shell
|
||||
$ echo "Do gophers live in http://golang.org?" | xurls
|
||||
http://golang.org
|
||||
```
|
||||
File diff suppressed because one or more lines are too long
@ -1,17 +0,0 @@
|
||||
// Copyright (c) 2015, Daniel Martí <mvdan@mvdan.cc>
|
||||
// See LICENSE for licensing information
|
||||
|
||||
package xurls
|
||||
|
||||
// SchemesNoAuthority is a sorted list of some well-known url schemes that are
|
||||
// followed by ":" instead of "://". Since these are more prone to false
|
||||
// positives, we limit their matching.
|
||||
var SchemesNoAuthority = []string{
|
||||
`bitcoin`, // Bitcoin
|
||||
`file`, // Files
|
||||
`magnet`, // Torrent magnets
|
||||
`mailto`, // Mail
|
||||
`sms`, // SMS
|
||||
`tel`, // Telephone
|
||||
`xmpp`, // XMPP
|
||||
}
|
||||
File diff suppressed because it is too large
Load Diff
@ -1,24 +0,0 @@
|
||||
// Copyright (c) 2015, Daniel Martí <mvdan@mvdan.cc>
|
||||
// See LICENSE for licensing information
|
||||
|
||||
package xurls
|
||||
|
||||
// PseudoTLDs is a sorted list of some widely used unofficial TLDs.
|
||||
//
|
||||
// Sources:
|
||||
// * https://en.wikipedia.org/wiki/Pseudo-top-level_domain
|
||||
// * https://en.wikipedia.org/wiki/Category:Pseudo-top-level_domains
|
||||
// * https://tools.ietf.org/html/draft-grothoff-iesg-special-use-p2p-names-00
|
||||
// * https://www.iana.org/assignments/special-use-domain-names/special-use-domain-names.xhtml
|
||||
var PseudoTLDs = []string{
|
||||
`bit`, // Namecoin
|
||||
`example`, // Example domain
|
||||
`exit`, // Tor exit node
|
||||
`gnu`, // GNS by public key
|
||||
`i2p`, // I2P network
|
||||
`invalid`, // Invalid domain
|
||||
`local`, // Local network
|
||||
`localhost`, // Local network
|
||||
`test`, // Test domain
|
||||
`zkey`, // GNS domain name
|
||||
}
|
||||
@ -1,67 +0,0 @@
|
||||
// Copyright (c) 2015, Daniel Martí <mvdan@mvdan.cc>
|
||||
// See LICENSE for licensing information
|
||||
|
||||
// Package xurls extracts urls from plain text using regular expressions.
|
||||
package xurls
|
||||
|
||||
import "regexp"
|
||||
|
||||
//go:generate go run generate/tldsgen/main.go
|
||||
//go:generate go run generate/regexgen/main.go
|
||||
|
||||
const (
|
||||
letter = `\p{L}`
|
||||
mark = `\p{M}`
|
||||
number = `\p{N}`
|
||||
iriChar = letter + mark + number
|
||||
currency = `\p{Sc}`
|
||||
otherSymb = `\p{So}`
|
||||
endChar = iriChar + `/\-+_&~*%=#` + currency + otherSymb
|
||||
midChar = endChar + `@.,:;'?!|`
|
||||
wellParen = `\([` + midChar + `]*(\([` + midChar + `]*\)[` + midChar + `]*)*\)`
|
||||
wellBrack = `\[[` + midChar + `]*(\[[` + midChar + `]*\][` + midChar + `]*)*\]`
|
||||
wellBrace = `\{[` + midChar + `]*(\{[` + midChar + `]*\}[` + midChar + `]*)*\}`
|
||||
wellAll = wellParen + `|` + wellBrack + `|` + wellBrace
|
||||
pathCont = `([` + midChar + `]*(` + wellAll + `|[` + endChar + `])+)+`
|
||||
comScheme = `[a-zA-Z][a-zA-Z.\-+]*://`
|
||||
scheme = `(` + comScheme + `|` + otherScheme + `)`
|
||||
|
||||
iri = `[` + iriChar + `]([` + iriChar + `\-]*[` + iriChar + `])?`
|
||||
domain = `(` + iri + `\.)+`
|
||||
octet = `(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])`
|
||||
ipv4Addr = `\b` + octet + `\.` + octet + `\.` + octet + `\.` + octet + `\b`
|
||||
ipv6Addr = `([0-9a-fA-F]{1,4}:([0-9a-fA-F]{1,4}:([0-9a-fA-F]{1,4}:([0-9a-fA-F]{1,4}:([0-9a-fA-F]{1,4}:[0-9a-fA-F]{0,4}|:[0-9a-fA-F]{1,4})?|(:[0-9a-fA-F]{1,4}){0,2})|(:[0-9a-fA-F]{1,4}){0,3})|(:[0-9a-fA-F]{1,4}){0,4})|:(:[0-9a-fA-F]{1,4}){0,5})((:[0-9a-fA-F]{1,4}){2}|:(25[0-5]|(2[0-4]|1[0-9]|[1-9])?[0-9])(\.(25[0-5]|(2[0-4]|1[0-9]|[1-9])?[0-9])){3})|(([0-9a-fA-F]{1,4}:){1,6}|:):[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){7}:`
|
||||
ipAddr = `(` + ipv4Addr + `|` + ipv6Addr + `)`
|
||||
site = domain + gtld
|
||||
hostName = `(` + site + `|` + ipAddr + `)`
|
||||
port = `(:[0-9]*)?`
|
||||
path = `(/|/` + pathCont + `?|\b|$)`
|
||||
webURL = hostName + port + path
|
||||
|
||||
strict = `(\b` + scheme + pathCont + `)`
|
||||
relaxed = `(` + strict + `|` + webURL + `)`
|
||||
)
|
||||
|
||||
var (
|
||||
// Relaxed matches all the urls it can find.
|
||||
Relaxed = regexp.MustCompile(relaxed)
|
||||
// Strict only matches urls with a scheme to avoid false positives.
|
||||
Strict = regexp.MustCompile(strict)
|
||||
)
|
||||
|
||||
func init() {
|
||||
Relaxed.Longest()
|
||||
Strict.Longest()
|
||||
}
|
||||
|
||||
// StrictMatchingScheme produces a regexp that matches urls like Strict but
|
||||
// whose scheme matches the given regular expression.
|
||||
func StrictMatchingScheme(exp string) (*regexp.Regexp, error) {
|
||||
strictMatching := `(\b(?i)(` + exp + `)(?-i)` + pathCont + `)`
|
||||
re, err := regexp.Compile(strictMatching)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
re.Longest()
|
||||
return re, nil
|
||||
}
|
||||
Some files were not shown because too many files have changed in this diff Show More
Loading…
Reference in new issue