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-rw-r--r--vendor/github.com/klauspost/compress/huff0/decompress_amd64.go10
-rw-r--r--vendor/github.com/klauspost/compress/huff0/decompress_amd64.s686
2 files changed, 336 insertions, 360 deletions
diff --git a/vendor/github.com/klauspost/compress/huff0/decompress_amd64.go b/vendor/github.com/klauspost/compress/huff0/decompress_amd64.go
index 671e630a8..9f3e9f79e 100644
--- a/vendor/github.com/klauspost/compress/huff0/decompress_amd64.go
+++ b/vendor/github.com/klauspost/compress/huff0/decompress_amd64.go
@@ -27,10 +27,7 @@ func decompress4x_8b_main_loop_amd64(ctx *decompress4xContext)
const fallback8BitSize = 800
type decompress4xContext struct {
- pbr0 *bitReaderShifted
- pbr1 *bitReaderShifted
- pbr2 *bitReaderShifted
- pbr3 *bitReaderShifted
+ pbr *[4]bitReaderShifted
peekBits uint8
out *byte
dstEvery int
@@ -89,10 +86,7 @@ func (d *Decoder) Decompress4X(dst, src []byte) ([]byte, error) {
if len(out) > 4*4 && !(br[0].off < 4 || br[1].off < 4 || br[2].off < 4 || br[3].off < 4) {
ctx := decompress4xContext{
- pbr0: &br[0],
- pbr1: &br[1],
- pbr2: &br[2],
- pbr3: &br[3],
+ pbr: &br,
peekBits: uint8((64 - d.actualTableLog) & 63), // see: bitReaderShifted.peekBitsFast()
out: &out[0],
dstEvery: dstEvery,
diff --git a/vendor/github.com/klauspost/compress/huff0/decompress_amd64.s b/vendor/github.com/klauspost/compress/huff0/decompress_amd64.s
index 6c65c6e2b..dd1a5aecd 100644
--- a/vendor/github.com/klauspost/compress/huff0/decompress_amd64.s
+++ b/vendor/github.com/klauspost/compress/huff0/decompress_amd64.s
@@ -4,45 +4,40 @@
// +build amd64,!appengine,!noasm,gc
// func decompress4x_main_loop_amd64(ctx *decompress4xContext)
-TEXT ·decompress4x_main_loop_amd64(SB), $8-8
+TEXT ·decompress4x_main_loop_amd64(SB), $0-8
XORQ DX, DX
// Preload values
MOVQ ctx+0(FP), AX
- MOVBQZX 32(AX), SI
- MOVQ 40(AX), DI
- MOVQ DI, BX
- MOVQ 72(AX), CX
- MOVQ CX, (SP)
- MOVQ 48(AX), R8
- MOVQ 56(AX), R9
- MOVQ (AX), R10
- MOVQ 8(AX), R11
- MOVQ 16(AX), R12
- MOVQ 24(AX), R13
+ MOVBQZX 8(AX), DI
+ MOVQ 16(AX), SI
+ MOVQ 48(AX), BX
+ MOVQ 24(AX), R9
+ MOVQ 32(AX), R10
+ MOVQ (AX), R11
// Main loop
main_loop:
- MOVQ BX, DI
- CMPQ DI, (SP)
+ MOVQ SI, R8
+ CMPQ R8, BX
SETGE DL
// br0.fillFast32()
- MOVQ 32(R10), R14
- MOVBQZX 40(R10), R15
- CMPQ R15, $0x20
+ MOVQ 32(R11), R12
+ MOVBQZX 40(R11), R13
+ CMPQ R13, $0x20
JBE skip_fill0
- MOVQ 24(R10), AX
- SUBQ $0x20, R15
+ MOVQ 24(R11), AX
+ SUBQ $0x20, R13
SUBQ $0x04, AX
- MOVQ (R10), BP
+ MOVQ (R11), R14
// b.value |= uint64(low) << (b.bitsRead & 63)
- MOVL (AX)(BP*1), BP
- MOVQ R15, CX
- SHLQ CL, BP
- MOVQ AX, 24(R10)
- ORQ BP, R14
+ MOVL (AX)(R14*1), R14
+ MOVQ R13, CX
+ SHLQ CL, R14
+ MOVQ AX, 24(R11)
+ ORQ R14, R12
// exhausted = exhausted || (br0.off < 4)
CMPQ AX, $0x04
@@ -51,57 +46,57 @@ main_loop:
skip_fill0:
// val0 := br0.peekTopBits(peekBits)
- MOVQ R14, BP
- MOVQ SI, CX
- SHRQ CL, BP
+ MOVQ R12, R14
+ MOVQ DI, CX
+ SHRQ CL, R14
// v0 := table[val0&mask]
- MOVW (R9)(BP*2), CX
+ MOVW (R10)(R14*2), CX
// br0.advance(uint8(v0.entry)
MOVB CH, AL
- SHLQ CL, R14
- ADDB CL, R15
+ SHLQ CL, R12
+ ADDB CL, R13
// val1 := br0.peekTopBits(peekBits)
- MOVQ SI, CX
- MOVQ R14, BP
- SHRQ CL, BP
+ MOVQ DI, CX
+ MOVQ R12, R14
+ SHRQ CL, R14
// v1 := table[val1&mask]
- MOVW (R9)(BP*2), CX
+ MOVW (R10)(R14*2), CX
// br0.advance(uint8(v1.entry))
MOVB CH, AH
- SHLQ CL, R14
- ADDB CL, R15
+ SHLQ CL, R12
+ ADDB CL, R13
// these two writes get coalesced
// out[id * dstEvery + 0] = uint8(v0.entry >> 8)
// out[id * dstEvery + 1] = uint8(v1.entry >> 8)
- MOVW AX, (DI)
+ MOVW AX, (R8)
- // update the bitrader reader structure
- MOVQ R14, 32(R10)
- MOVB R15, 40(R10)
- ADDQ R8, DI
+ // update the bitreader structure
+ MOVQ R12, 32(R11)
+ MOVB R13, 40(R11)
+ ADDQ R9, R8
// br1.fillFast32()
- MOVQ 32(R11), R14
- MOVBQZX 40(R11), R15
- CMPQ R15, $0x20
+ MOVQ 80(R11), R12
+ MOVBQZX 88(R11), R13
+ CMPQ R13, $0x20
JBE skip_fill1
- MOVQ 24(R11), AX
- SUBQ $0x20, R15
+ MOVQ 72(R11), AX
+ SUBQ $0x20, R13
SUBQ $0x04, AX
- MOVQ (R11), BP
+ MOVQ 48(R11), R14
// b.value |= uint64(low) << (b.bitsRead & 63)
- MOVL (AX)(BP*1), BP
- MOVQ R15, CX
- SHLQ CL, BP
- MOVQ AX, 24(R11)
- ORQ BP, R14
+ MOVL (AX)(R14*1), R14
+ MOVQ R13, CX
+ SHLQ CL, R14
+ MOVQ AX, 72(R11)
+ ORQ R14, R12
// exhausted = exhausted || (br1.off < 4)
CMPQ AX, $0x04
@@ -110,57 +105,57 @@ skip_fill0:
skip_fill1:
// val0 := br1.peekTopBits(peekBits)
- MOVQ R14, BP
- MOVQ SI, CX
- SHRQ CL, BP
+ MOVQ R12, R14
+ MOVQ DI, CX
+ SHRQ CL, R14
// v0 := table[val0&mask]
- MOVW (R9)(BP*2), CX
+ MOVW (R10)(R14*2), CX
// br1.advance(uint8(v0.entry)
MOVB CH, AL
- SHLQ CL, R14
- ADDB CL, R15
+ SHLQ CL, R12
+ ADDB CL, R13
// val1 := br1.peekTopBits(peekBits)
- MOVQ SI, CX
- MOVQ R14, BP
- SHRQ CL, BP
+ MOVQ DI, CX
+ MOVQ R12, R14
+ SHRQ CL, R14
// v1 := table[val1&mask]
- MOVW (R9)(BP*2), CX
+ MOVW (R10)(R14*2), CX
// br1.advance(uint8(v1.entry))
MOVB CH, AH
- SHLQ CL, R14
- ADDB CL, R15
+ SHLQ CL, R12
+ ADDB CL, R13
// these two writes get coalesced
// out[id * dstEvery + 0] = uint8(v0.entry >> 8)
// out[id * dstEvery + 1] = uint8(v1.entry >> 8)
- MOVW AX, (DI)
+ MOVW AX, (R8)
- // update the bitrader reader structure
- MOVQ R14, 32(R11)
- MOVB R15, 40(R11)
- ADDQ R8, DI
+ // update the bitreader structure
+ MOVQ R12, 80(R11)
+ MOVB R13, 88(R11)
+ ADDQ R9, R8
// br2.fillFast32()
- MOVQ 32(R12), R14
- MOVBQZX 40(R12), R15
- CMPQ R15, $0x20
+ MOVQ 128(R11), R12
+ MOVBQZX 136(R11), R13
+ CMPQ R13, $0x20
JBE skip_fill2
- MOVQ 24(R12), AX
- SUBQ $0x20, R15
+ MOVQ 120(R11), AX
+ SUBQ $0x20, R13
SUBQ $0x04, AX
- MOVQ (R12), BP
+ MOVQ 96(R11), R14
// b.value |= uint64(low) << (b.bitsRead & 63)
- MOVL (AX)(BP*1), BP
- MOVQ R15, CX
- SHLQ CL, BP
- MOVQ AX, 24(R12)
- ORQ BP, R14
+ MOVL (AX)(R14*1), R14
+ MOVQ R13, CX
+ SHLQ CL, R14
+ MOVQ AX, 120(R11)
+ ORQ R14, R12
// exhausted = exhausted || (br2.off < 4)
CMPQ AX, $0x04
@@ -169,57 +164,57 @@ skip_fill1:
skip_fill2:
// val0 := br2.peekTopBits(peekBits)
- MOVQ R14, BP
- MOVQ SI, CX
- SHRQ CL, BP
+ MOVQ R12, R14
+ MOVQ DI, CX
+ SHRQ CL, R14
// v0 := table[val0&mask]
- MOVW (R9)(BP*2), CX
+ MOVW (R10)(R14*2), CX
// br2.advance(uint8(v0.entry)
MOVB CH, AL
- SHLQ CL, R14
- ADDB CL, R15
+ SHLQ CL, R12
+ ADDB CL, R13
// val1 := br2.peekTopBits(peekBits)
- MOVQ SI, CX
- MOVQ R14, BP
- SHRQ CL, BP
+ MOVQ DI, CX
+ MOVQ R12, R14
+ SHRQ CL, R14
// v1 := table[val1&mask]
- MOVW (R9)(BP*2), CX
+ MOVW (R10)(R14*2), CX
// br2.advance(uint8(v1.entry))
MOVB CH, AH
- SHLQ CL, R14
- ADDB CL, R15
+ SHLQ CL, R12
+ ADDB CL, R13
// these two writes get coalesced
// out[id * dstEvery + 0] = uint8(v0.entry >> 8)
// out[id * dstEvery + 1] = uint8(v1.entry >> 8)
- MOVW AX, (DI)
+ MOVW AX, (R8)
- // update the bitrader reader structure
- MOVQ R14, 32(R12)
- MOVB R15, 40(R12)
- ADDQ R8, DI
+ // update the bitreader structure
+ MOVQ R12, 128(R11)
+ MOVB R13, 136(R11)
+ ADDQ R9, R8
// br3.fillFast32()
- MOVQ 32(R13), R14
- MOVBQZX 40(R13), R15
- CMPQ R15, $0x20
+ MOVQ 176(R11), R12
+ MOVBQZX 184(R11), R13
+ CMPQ R13, $0x20
JBE skip_fill3
- MOVQ 24(R13), AX
- SUBQ $0x20, R15
+ MOVQ 168(R11), AX
+ SUBQ $0x20, R13
SUBQ $0x04, AX
- MOVQ (R13), BP
+ MOVQ 144(R11), R14
// b.value |= uint64(low) << (b.bitsRead & 63)
- MOVL (AX)(BP*1), BP
- MOVQ R15, CX
- SHLQ CL, BP
- MOVQ AX, 24(R13)
- ORQ BP, R14
+ MOVL (AX)(R14*1), R14
+ MOVQ R13, CX
+ SHLQ CL, R14
+ MOVQ AX, 168(R11)
+ ORQ R14, R12
// exhausted = exhausted || (br3.off < 4)
CMPQ AX, $0x04
@@ -228,149 +223,142 @@ skip_fill2:
skip_fill3:
// val0 := br3.peekTopBits(peekBits)
- MOVQ R14, BP
- MOVQ SI, CX
- SHRQ CL, BP
+ MOVQ R12, R14
+ MOVQ DI, CX
+ SHRQ CL, R14
// v0 := table[val0&mask]
- MOVW (R9)(BP*2), CX
+ MOVW (R10)(R14*2), CX
// br3.advance(uint8(v0.entry)
MOVB CH, AL
- SHLQ CL, R14
- ADDB CL, R15
+ SHLQ CL, R12
+ ADDB CL, R13
// val1 := br3.peekTopBits(peekBits)
- MOVQ SI, CX
- MOVQ R14, BP
- SHRQ CL, BP
+ MOVQ DI, CX
+ MOVQ R12, R14
+ SHRQ CL, R14
// v1 := table[val1&mask]
- MOVW (R9)(BP*2), CX
+ MOVW (R10)(R14*2), CX
// br3.advance(uint8(v1.entry))
MOVB CH, AH
- SHLQ CL, R14
- ADDB CL, R15
+ SHLQ CL, R12
+ ADDB CL, R13
// these two writes get coalesced
// out[id * dstEvery + 0] = uint8(v0.entry >> 8)
// out[id * dstEvery + 1] = uint8(v1.entry >> 8)
- MOVW AX, (DI)
+ MOVW AX, (R8)
- // update the bitrader reader structure
- MOVQ R14, 32(R13)
- MOVB R15, 40(R13)
- ADDQ $0x02, BX
+ // update the bitreader structure
+ MOVQ R12, 176(R11)
+ MOVB R13, 184(R11)
+ ADDQ $0x02, SI
TESTB DL, DL
JZ main_loop
MOVQ ctx+0(FP), AX
- MOVQ 40(AX), CX
- MOVQ BX, DX
- SUBQ CX, DX
- SHLQ $0x02, DX
- MOVQ DX, 64(AX)
+ SUBQ 16(AX), SI
+ SHLQ $0x02, SI
+ MOVQ SI, 40(AX)
RET
// func decompress4x_8b_main_loop_amd64(ctx *decompress4xContext)
-TEXT ·decompress4x_8b_main_loop_amd64(SB), $16-8
+TEXT ·decompress4x_8b_main_loop_amd64(SB), $0-8
XORQ DX, DX
// Preload values
MOVQ ctx+0(FP), CX
- MOVBQZX 32(CX), BX
- MOVQ 40(CX), SI
- MOVQ SI, (SP)
- MOVQ 72(CX), DX
- MOVQ DX, 8(SP)
- MOVQ 48(CX), DI
- MOVQ 56(CX), R8
- MOVQ (CX), R9
- MOVQ 8(CX), R10
- MOVQ 16(CX), R11
- MOVQ 24(CX), R12
+ MOVBQZX 8(CX), DI
+ MOVQ 16(CX), BX
+ MOVQ 48(CX), SI
+ MOVQ 24(CX), R9
+ MOVQ 32(CX), R10
+ MOVQ (CX), R11
// Main loop
main_loop:
- MOVQ (SP), SI
- CMPQ SI, 8(SP)
+ MOVQ BX, R8
+ CMPQ R8, SI
SETGE DL
- // br1000.fillFast32()
- MOVQ 32(R9), R13
- MOVBQZX 40(R9), R14
- CMPQ R14, $0x20
- JBE skip_fill1000
- MOVQ 24(R9), R15
- SUBQ $0x20, R14
- SUBQ $0x04, R15
- MOVQ (R9), BP
+ // br0.fillFast32()
+ MOVQ 32(R11), R12
+ MOVBQZX 40(R11), R13
+ CMPQ R13, $0x20
+ JBE skip_fill0
+ MOVQ 24(R11), R14
+ SUBQ $0x20, R13
+ SUBQ $0x04, R14
+ MOVQ (R11), R15
// b.value |= uint64(low) << (b.bitsRead & 63)
- MOVL (R15)(BP*1), BP
- MOVQ R14, CX
- SHLQ CL, BP
- MOVQ R15, 24(R9)
- ORQ BP, R13
-
- // exhausted = exhausted || (br1000.off < 4)
- CMPQ R15, $0x04
+ MOVL (R14)(R15*1), R15
+ MOVQ R13, CX
+ SHLQ CL, R15
+ MOVQ R14, 24(R11)
+ ORQ R15, R12
+
+ // exhausted = exhausted || (br0.off < 4)
+ CMPQ R14, $0x04
SETLT AL
ORB AL, DL
-skip_fill1000:
+skip_fill0:
// val0 := br0.peekTopBits(peekBits)
- MOVQ R13, R15
- MOVQ BX, CX
- SHRQ CL, R15
+ MOVQ R12, R14
+ MOVQ DI, CX
+ SHRQ CL, R14
// v0 := table[val0&mask]
- MOVW (R8)(R15*2), CX
+ MOVW (R10)(R14*2), CX
// br0.advance(uint8(v0.entry)
MOVB CH, AL
- SHLQ CL, R13
- ADDB CL, R14
+ SHLQ CL, R12
+ ADDB CL, R13
// val1 := br0.peekTopBits(peekBits)
- MOVQ R13, R15
- MOVQ BX, CX
- SHRQ CL, R15
+ MOVQ R12, R14
+ MOVQ DI, CX
+ SHRQ CL, R14
// v1 := table[val0&mask]
- MOVW (R8)(R15*2), CX
+ MOVW (R10)(R14*2), CX
// br0.advance(uint8(v1.entry)
MOVB CH, AH
- SHLQ CL, R13
- ADDB CL, R14
+ SHLQ CL, R12
+ ADDB CL, R13
BSWAPL AX
// val2 := br0.peekTopBits(peekBits)
- MOVQ R13, R15
- MOVQ BX, CX
- SHRQ CL, R15
+ MOVQ R12, R14
+ MOVQ DI, CX
+ SHRQ CL, R14
// v2 := table[val0&mask]
- MOVW (R8)(R15*2), CX
+ MOVW (R10)(R14*2), CX
// br0.advance(uint8(v2.entry)
MOVB CH, AH
- SHLQ CL, R13
- ADDB CL, R14
+ SHLQ CL, R12
+ ADDB CL, R13
// val3 := br0.peekTopBits(peekBits)
- MOVQ R13, R15
- MOVQ BX, CX
- SHRQ CL, R15
+ MOVQ R12, R14
+ MOVQ DI, CX
+ SHRQ CL, R14
// v3 := table[val0&mask]
- MOVW (R8)(R15*2), CX
+ MOVW (R10)(R14*2), CX
// br0.advance(uint8(v3.entry)
MOVB CH, AL
- SHLQ CL, R13
- ADDB CL, R14
+ SHLQ CL, R12
+ ADDB CL, R13
BSWAPL AX
// these four writes get coalesced
@@ -378,88 +366,88 @@ skip_fill1000:
// out[id * dstEvery + 1] = uint8(v1.entry >> 8)
// out[id * dstEvery + 3] = uint8(v2.entry >> 8)
// out[id * dstEvery + 4] = uint8(v3.entry >> 8)
- MOVL AX, (SI)
-
- // update the bitreader reader structure
- MOVQ R13, 32(R9)
- MOVB R14, 40(R9)
- ADDQ DI, SI
-
- // br1001.fillFast32()
- MOVQ 32(R10), R13
- MOVBQZX 40(R10), R14
- CMPQ R14, $0x20
- JBE skip_fill1001
- MOVQ 24(R10), R15
- SUBQ $0x20, R14
- SUBQ $0x04, R15
- MOVQ (R10), BP
+ MOVL AX, (R8)
+
+ // update the bitreader structure
+ MOVQ R12, 32(R11)
+ MOVB R13, 40(R11)
+ ADDQ R9, R8
+
+ // br1.fillFast32()
+ MOVQ 80(R11), R12
+ MOVBQZX 88(R11), R13
+ CMPQ R13, $0x20
+ JBE skip_fill1
+ MOVQ 72(R11), R14
+ SUBQ $0x20, R13
+ SUBQ $0x04, R14
+ MOVQ 48(R11), R15
// b.value |= uint64(low) << (b.bitsRead & 63)
- MOVL (R15)(BP*1), BP
- MOVQ R14, CX
- SHLQ CL, BP
- MOVQ R15, 24(R10)
- ORQ BP, R13
-
- // exhausted = exhausted || (br1001.off < 4)
- CMPQ R15, $0x04
+ MOVL (R14)(R15*1), R15
+ MOVQ R13, CX
+ SHLQ CL, R15
+ MOVQ R14, 72(R11)
+ ORQ R15, R12
+
+ // exhausted = exhausted || (br1.off < 4)
+ CMPQ R14, $0x04
SETLT AL
ORB AL, DL
-skip_fill1001:
+skip_fill1:
// val0 := br1.peekTopBits(peekBits)
- MOVQ R13, R15
- MOVQ BX, CX
- SHRQ CL, R15
+ MOVQ R12, R14
+ MOVQ DI, CX
+ SHRQ CL, R14
// v0 := table[val0&mask]
- MOVW (R8)(R15*2), CX
+ MOVW (R10)(R14*2), CX
// br1.advance(uint8(v0.entry)
MOVB CH, AL
- SHLQ CL, R13
- ADDB CL, R14
+ SHLQ CL, R12
+ ADDB CL, R13
// val1 := br1.peekTopBits(peekBits)
- MOVQ R13, R15
- MOVQ BX, CX
- SHRQ CL, R15
+ MOVQ R12, R14
+ MOVQ DI, CX
+ SHRQ CL, R14
// v1 := table[val0&mask]
- MOVW (R8)(R15*2), CX
+ MOVW (R10)(R14*2), CX
// br1.advance(uint8(v1.entry)
MOVB CH, AH
- SHLQ CL, R13
- ADDB CL, R14
+ SHLQ CL, R12
+ ADDB CL, R13
BSWAPL AX
// val2 := br1.peekTopBits(peekBits)
- MOVQ R13, R15
- MOVQ BX, CX
- SHRQ CL, R15
+ MOVQ R12, R14
+ MOVQ DI, CX
+ SHRQ CL, R14
// v2 := table[val0&mask]
- MOVW (R8)(R15*2), CX
+ MOVW (R10)(R14*2), CX
// br1.advance(uint8(v2.entry)
MOVB CH, AH
- SHLQ CL, R13
- ADDB CL, R14
+ SHLQ CL, R12
+ ADDB CL, R13
// val3 := br1.peekTopBits(peekBits)
- MOVQ R13, R15
- MOVQ BX, CX
- SHRQ CL, R15
+ MOVQ R12, R14
+ MOVQ DI, CX
+ SHRQ CL, R14
// v3 := table[val0&mask]
- MOVW (R8)(R15*2), CX
+ MOVW (R10)(R14*2), CX
// br1.advance(uint8(v3.entry)
MOVB CH, AL
- SHLQ CL, R13
- ADDB CL, R14
+ SHLQ CL, R12
+ ADDB CL, R13
BSWAPL AX
// these four writes get coalesced
@@ -467,88 +455,88 @@ skip_fill1001:
// out[id * dstEvery + 1] = uint8(v1.entry >> 8)
// out[id * dstEvery + 3] = uint8(v2.entry >> 8)
// out[id * dstEvery + 4] = uint8(v3.entry >> 8)
- MOVL AX, (SI)
-
- // update the bitreader reader structure
- MOVQ R13, 32(R10)
- MOVB R14, 40(R10)
- ADDQ DI, SI
-
- // br1002.fillFast32()
- MOVQ 32(R11), R13
- MOVBQZX 40(R11), R14
- CMPQ R14, $0x20
- JBE skip_fill1002
- MOVQ 24(R11), R15
- SUBQ $0x20, R14
- SUBQ $0x04, R15
- MOVQ (R11), BP
+ MOVL AX, (R8)
+
+ // update the bitreader structure
+ MOVQ R12, 80(R11)
+ MOVB R13, 88(R11)
+ ADDQ R9, R8
+
+ // br2.fillFast32()
+ MOVQ 128(R11), R12
+ MOVBQZX 136(R11), R13
+ CMPQ R13, $0x20
+ JBE skip_fill2
+ MOVQ 120(R11), R14
+ SUBQ $0x20, R13
+ SUBQ $0x04, R14
+ MOVQ 96(R11), R15
// b.value |= uint64(low) << (b.bitsRead & 63)
- MOVL (R15)(BP*1), BP
- MOVQ R14, CX
- SHLQ CL, BP
- MOVQ R15, 24(R11)
- ORQ BP, R13
-
- // exhausted = exhausted || (br1002.off < 4)
- CMPQ R15, $0x04
+ MOVL (R14)(R15*1), R15
+ MOVQ R13, CX
+ SHLQ CL, R15
+ MOVQ R14, 120(R11)
+ ORQ R15, R12
+
+ // exhausted = exhausted || (br2.off < 4)
+ CMPQ R14, $0x04
SETLT AL
ORB AL, DL
-skip_fill1002:
+skip_fill2:
// val0 := br2.peekTopBits(peekBits)
- MOVQ R13, R15
- MOVQ BX, CX
- SHRQ CL, R15
+ MOVQ R12, R14
+ MOVQ DI, CX
+ SHRQ CL, R14
// v0 := table[val0&mask]
- MOVW (R8)(R15*2), CX
+ MOVW (R10)(R14*2), CX
// br2.advance(uint8(v0.entry)
MOVB CH, AL
- SHLQ CL, R13
- ADDB CL, R14
+ SHLQ CL, R12
+ ADDB CL, R13
// val1 := br2.peekTopBits(peekBits)
- MOVQ R13, R15
- MOVQ BX, CX
- SHRQ CL, R15
+ MOVQ R12, R14
+ MOVQ DI, CX
+ SHRQ CL, R14
// v1 := table[val0&mask]
- MOVW (R8)(R15*2), CX
+ MOVW (R10)(R14*2), CX
// br2.advance(uint8(v1.entry)
MOVB CH, AH
- SHLQ CL, R13
- ADDB CL, R14
+ SHLQ CL, R12
+ ADDB CL, R13
BSWAPL AX
// val2 := br2.peekTopBits(peekBits)
- MOVQ R13, R15
- MOVQ BX, CX
- SHRQ CL, R15
+ MOVQ R12, R14
+ MOVQ DI, CX
+ SHRQ CL, R14
// v2 := table[val0&mask]
- MOVW (R8)(R15*2), CX
+ MOVW (R10)(R14*2), CX
// br2.advance(uint8(v2.entry)
MOVB CH, AH
- SHLQ CL, R13
- ADDB CL, R14
+ SHLQ CL, R12
+ ADDB CL, R13
// val3 := br2.peekTopBits(peekBits)
- MOVQ R13, R15
- MOVQ BX, CX
- SHRQ CL, R15
+ MOVQ R12, R14
+ MOVQ DI, CX
+ SHRQ CL, R14
// v3 := table[val0&mask]
- MOVW (R8)(R15*2), CX
+ MOVW (R10)(R14*2), CX
// br2.advance(uint8(v3.entry)
MOVB CH, AL
- SHLQ CL, R13
- ADDB CL, R14
+ SHLQ CL, R12
+ ADDB CL, R13
BSWAPL AX
// these four writes get coalesced
@@ -556,88 +544,88 @@ skip_fill1002:
// out[id * dstEvery + 1] = uint8(v1.entry >> 8)
// out[id * dstEvery + 3] = uint8(v2.entry >> 8)
// out[id * dstEvery + 4] = uint8(v3.entry >> 8)
- MOVL AX, (SI)
-
- // update the bitreader reader structure
- MOVQ R13, 32(R11)
- MOVB R14, 40(R11)
- ADDQ DI, SI
-
- // br1003.fillFast32()
- MOVQ 32(R12), R13
- MOVBQZX 40(R12), R14
- CMPQ R14, $0x20
- JBE skip_fill1003
- MOVQ 24(R12), R15
- SUBQ $0x20, R14
- SUBQ $0x04, R15
- MOVQ (R12), BP
+ MOVL AX, (R8)
+
+ // update the bitreader structure
+ MOVQ R12, 128(R11)
+ MOVB R13, 136(R11)
+ ADDQ R9, R8
+
+ // br3.fillFast32()
+ MOVQ 176(R11), R12
+ MOVBQZX 184(R11), R13
+ CMPQ R13, $0x20
+ JBE skip_fill3
+ MOVQ 168(R11), R14
+ SUBQ $0x20, R13
+ SUBQ $0x04, R14
+ MOVQ 144(R11), R15
// b.value |= uint64(low) << (b.bitsRead & 63)
- MOVL (R15)(BP*1), BP
- MOVQ R14, CX
- SHLQ CL, BP
- MOVQ R15, 24(R12)
- ORQ BP, R13
-
- // exhausted = exhausted || (br1003.off < 4)
- CMPQ R15, $0x04
+ MOVL (R14)(R15*1), R15
+ MOVQ R13, CX
+ SHLQ CL, R15
+ MOVQ R14, 168(R11)
+ ORQ R15, R12
+
+ // exhausted = exhausted || (br3.off < 4)
+ CMPQ R14, $0x04
SETLT AL
ORB AL, DL
-skip_fill1003:
+skip_fill3:
// val0 := br3.peekTopBits(peekBits)
- MOVQ R13, R15
- MOVQ BX, CX
- SHRQ CL, R15
+ MOVQ R12, R14
+ MOVQ DI, CX
+ SHRQ CL, R14
// v0 := table[val0&mask]
- MOVW (R8)(R15*2), CX
+ MOVW (R10)(R14*2), CX
// br3.advance(uint8(v0.entry)
MOVB CH, AL
- SHLQ CL, R13
- ADDB CL, R14
+ SHLQ CL, R12
+ ADDB CL, R13
// val1 := br3.peekTopBits(peekBits)
- MOVQ R13, R15
- MOVQ BX, CX
- SHRQ CL, R15
+ MOVQ R12, R14
+ MOVQ DI, CX
+ SHRQ CL, R14
// v1 := table[val0&mask]
- MOVW (R8)(R15*2), CX
+ MOVW (R10)(R14*2), CX
// br3.advance(uint8(v1.entry)
MOVB CH, AH
- SHLQ CL, R13
- ADDB CL, R14
+ SHLQ CL, R12
+ ADDB CL, R13
BSWAPL AX
// val2 := br3.peekTopBits(peekBits)
- MOVQ R13, R15
- MOVQ BX, CX
- SHRQ CL, R15
+ MOVQ R12, R14
+ MOVQ DI, CX
+ SHRQ CL, R14
// v2 := table[val0&mask]
- MOVW (R8)(R15*2), CX
+ MOVW (R10)(R14*2), CX
// br3.advance(uint8(v2.entry)
MOVB CH, AH
- SHLQ CL, R13
- ADDB CL, R14
+ SHLQ CL, R12
+ ADDB CL, R13
// val3 := br3.peekTopBits(peekBits)
- MOVQ R13, R15
- MOVQ BX, CX
- SHRQ CL, R15
+ MOVQ R12, R14
+ MOVQ DI, CX
+ SHRQ CL, R14
// v3 := table[val0&mask]
- MOVW (R8)(R15*2), CX
+ MOVW (R10)(R14*2), CX
// br3.advance(uint8(v3.entry)
MOVB CH, AL
- SHLQ CL, R13
- ADDB CL, R14
+ SHLQ CL, R12
+ ADDB CL, R13
BSWAPL AX
// these four writes get coalesced
@@ -645,20 +633,18 @@ skip_fill1003:
// out[id * dstEvery + 1] = uint8(v1.entry >> 8)
// out[id * dstEvery + 3] = uint8(v2.entry >> 8)
// out[id * dstEvery + 4] = uint8(v3.entry >> 8)
- MOVL AX, (SI)
+ MOVL AX, (R8)
- // update the bitreader reader structure
- MOVQ R13, 32(R12)
- MOVB R14, 40(R12)
- ADDQ $0x04, (SP)
+ // update the bitreader structure
+ MOVQ R12, 176(R11)
+ MOVB R13, 184(R11)
+ ADDQ $0x04, BX
TESTB DL, DL
JZ main_loop
MOVQ ctx+0(FP), AX
- MOVQ 40(AX), CX
- MOVQ (SP), DX
- SUBQ CX, DX
- SHLQ $0x02, DX
- MOVQ DX, 64(AX)
+ SUBQ 16(AX), BX
+ SHLQ $0x02, BX
+ MOVQ BX, 40(AX)
RET
// func decompress1x_main_loop_amd64(ctx *decompress1xContext)
@@ -750,10 +736,8 @@ loop_condition:
// Update ctx structure
MOVQ ctx+0(FP), AX
- MOVQ DX, CX
- MOVQ 16(AX), DX
- SUBQ DX, CX
- MOVQ CX, 40(AX)
+ SUBQ 16(AX), DX
+ MOVQ DX, 40(AX)
MOVQ (AX), AX
MOVQ R9, 24(AX)
MOVQ R10, 32(AX)
@@ -847,10 +831,8 @@ loop_condition:
// Update ctx structure
MOVQ ctx+0(FP), AX
- MOVQ DX, CX
- MOVQ 16(AX), DX
- SUBQ DX, CX
- MOVQ CX, 40(AX)
+ SUBQ 16(AX), DX
+ MOVQ DX, 40(AX)
MOVQ (AX), AX
MOVQ R9, 24(AX)
MOVQ R10, 32(AX)
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-10-14 00:31:45 +0000