[VOL-5291] - pon & nni stats changes, onu stats from OLT, onu stats from onu

Change-Id: I4f23cb1b1276d27ca6f2c183875b8b227f772edd
Signed-off-by: Akash Reddy Kankanala <akash.kankanala@radisys.com>
diff --git a/vendor/github.com/klauspost/compress/huff0/decompress_amd64.s b/vendor/github.com/klauspost/compress/huff0/decompress_amd64.s
new file mode 100644
index 0000000..dd1a5ae
--- /dev/null
+++ b/vendor/github.com/klauspost/compress/huff0/decompress_amd64.s
@@ -0,0 +1,847 @@
+// Code generated by command: go run gen.go -out ../decompress_amd64.s -pkg=huff0. DO NOT EDIT.
+
+//go:build amd64 && !appengine && !noasm && gc
+// +build amd64,!appengine,!noasm,gc
+
+// func decompress4x_main_loop_amd64(ctx *decompress4xContext)
+TEXT ·decompress4x_main_loop_amd64(SB), $0-8
+	XORQ DX, DX
+
+	// Preload values
+	MOVQ    ctx+0(FP), AX
+	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  SI, R8
+	CMPQ  R8, BX
+	SETGE DL
+
+	// br0.fillFast32()
+	MOVQ    32(R11), R12
+	MOVBQZX 40(R11), R13
+	CMPQ    R13, $0x20
+	JBE     skip_fill0
+	MOVQ    24(R11), AX
+	SUBQ    $0x20, R13
+	SUBQ    $0x04, AX
+	MOVQ    (R11), R14
+
+	// b.value |= uint64(low) << (b.bitsRead & 63)
+	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
+	SETLT AL
+	ORB   AL, DL
+
+skip_fill0:
+	// val0 := br0.peekTopBits(peekBits)
+	MOVQ R12, R14
+	MOVQ DI, CX
+	SHRQ CL, R14
+
+	// v0 := table[val0&mask]
+	MOVW (R10)(R14*2), CX
+
+	// br0.advance(uint8(v0.entry)
+	MOVB CH, AL
+	SHLQ CL, R12
+	ADDB CL, R13
+
+	// val1 := br0.peekTopBits(peekBits)
+	MOVQ DI, CX
+	MOVQ R12, R14
+	SHRQ CL, R14
+
+	// v1 := table[val1&mask]
+	MOVW (R10)(R14*2), CX
+
+	// br0.advance(uint8(v1.entry))
+	MOVB CH, AH
+	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, (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), AX
+	SUBQ    $0x20, R13
+	SUBQ    $0x04, AX
+	MOVQ    48(R11), R14
+
+	// b.value |= uint64(low) << (b.bitsRead & 63)
+	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
+	SETLT AL
+	ORB   AL, DL
+
+skip_fill1:
+	// val0 := br1.peekTopBits(peekBits)
+	MOVQ R12, R14
+	MOVQ DI, CX
+	SHRQ CL, R14
+
+	// v0 := table[val0&mask]
+	MOVW (R10)(R14*2), CX
+
+	// br1.advance(uint8(v0.entry)
+	MOVB CH, AL
+	SHLQ CL, R12
+	ADDB CL, R13
+
+	// val1 := br1.peekTopBits(peekBits)
+	MOVQ DI, CX
+	MOVQ R12, R14
+	SHRQ CL, R14
+
+	// v1 := table[val1&mask]
+	MOVW (R10)(R14*2), CX
+
+	// br1.advance(uint8(v1.entry))
+	MOVB CH, AH
+	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, (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), AX
+	SUBQ    $0x20, R13
+	SUBQ    $0x04, AX
+	MOVQ    96(R11), R14
+
+	// b.value |= uint64(low) << (b.bitsRead & 63)
+	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
+	SETLT AL
+	ORB   AL, DL
+
+skip_fill2:
+	// val0 := br2.peekTopBits(peekBits)
+	MOVQ R12, R14
+	MOVQ DI, CX
+	SHRQ CL, R14
+
+	// v0 := table[val0&mask]
+	MOVW (R10)(R14*2), CX
+
+	// br2.advance(uint8(v0.entry)
+	MOVB CH, AL
+	SHLQ CL, R12
+	ADDB CL, R13
+
+	// val1 := br2.peekTopBits(peekBits)
+	MOVQ DI, CX
+	MOVQ R12, R14
+	SHRQ CL, R14
+
+	// v1 := table[val1&mask]
+	MOVW (R10)(R14*2), CX
+
+	// br2.advance(uint8(v1.entry))
+	MOVB CH, AH
+	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, (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), AX
+	SUBQ    $0x20, R13
+	SUBQ    $0x04, AX
+	MOVQ    144(R11), R14
+
+	// b.value |= uint64(low) << (b.bitsRead & 63)
+	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
+	SETLT AL
+	ORB   AL, DL
+
+skip_fill3:
+	// val0 := br3.peekTopBits(peekBits)
+	MOVQ R12, R14
+	MOVQ DI, CX
+	SHRQ CL, R14
+
+	// v0 := table[val0&mask]
+	MOVW (R10)(R14*2), CX
+
+	// br3.advance(uint8(v0.entry)
+	MOVB CH, AL
+	SHLQ CL, R12
+	ADDB CL, R13
+
+	// val1 := br3.peekTopBits(peekBits)
+	MOVQ DI, CX
+	MOVQ R12, R14
+	SHRQ CL, R14
+
+	// v1 := table[val1&mask]
+	MOVW (R10)(R14*2), CX
+
+	// br3.advance(uint8(v1.entry))
+	MOVB CH, AH
+	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, (R8)
+
+	// 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
+	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), $0-8
+	XORQ DX, DX
+
+	// Preload values
+	MOVQ    ctx+0(FP), CX
+	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  BX, R8
+	CMPQ  R8, SI
+	SETGE DL
+
+	// 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 (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_fill0:
+	// val0 := br0.peekTopBits(peekBits)
+	MOVQ R12, R14
+	MOVQ DI, CX
+	SHRQ CL, R14
+
+	// v0 := table[val0&mask]
+	MOVW (R10)(R14*2), CX
+
+	// br0.advance(uint8(v0.entry)
+	MOVB CH, AL
+	SHLQ CL, R12
+	ADDB CL, R13
+
+	// val1 := br0.peekTopBits(peekBits)
+	MOVQ R12, R14
+	MOVQ DI, CX
+	SHRQ CL, R14
+
+	// v1 := table[val0&mask]
+	MOVW (R10)(R14*2), CX
+
+	// br0.advance(uint8(v1.entry)
+	MOVB   CH, AH
+	SHLQ   CL, R12
+	ADDB   CL, R13
+	BSWAPL AX
+
+	// val2 := br0.peekTopBits(peekBits)
+	MOVQ R12, R14
+	MOVQ DI, CX
+	SHRQ CL, R14
+
+	// v2 := table[val0&mask]
+	MOVW (R10)(R14*2), CX
+
+	// br0.advance(uint8(v2.entry)
+	MOVB CH, AH
+	SHLQ CL, R12
+	ADDB CL, R13
+
+	// val3 := br0.peekTopBits(peekBits)
+	MOVQ R12, R14
+	MOVQ DI, CX
+	SHRQ CL, R14
+
+	// v3 := table[val0&mask]
+	MOVW (R10)(R14*2), CX
+
+	// br0.advance(uint8(v3.entry)
+	MOVB   CH, AL
+	SHLQ   CL, R12
+	ADDB   CL, R13
+	BSWAPL AX
+
+	// these four writes get coalesced
+	// out[id * dstEvery + 0] = uint8(v0.entry >> 8)
+	// 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, (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 (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_fill1:
+	// val0 := br1.peekTopBits(peekBits)
+	MOVQ R12, R14
+	MOVQ DI, CX
+	SHRQ CL, R14
+
+	// v0 := table[val0&mask]
+	MOVW (R10)(R14*2), CX
+
+	// br1.advance(uint8(v0.entry)
+	MOVB CH, AL
+	SHLQ CL, R12
+	ADDB CL, R13
+
+	// val1 := br1.peekTopBits(peekBits)
+	MOVQ R12, R14
+	MOVQ DI, CX
+	SHRQ CL, R14
+
+	// v1 := table[val0&mask]
+	MOVW (R10)(R14*2), CX
+
+	// br1.advance(uint8(v1.entry)
+	MOVB   CH, AH
+	SHLQ   CL, R12
+	ADDB   CL, R13
+	BSWAPL AX
+
+	// val2 := br1.peekTopBits(peekBits)
+	MOVQ R12, R14
+	MOVQ DI, CX
+	SHRQ CL, R14
+
+	// v2 := table[val0&mask]
+	MOVW (R10)(R14*2), CX
+
+	// br1.advance(uint8(v2.entry)
+	MOVB CH, AH
+	SHLQ CL, R12
+	ADDB CL, R13
+
+	// val3 := br1.peekTopBits(peekBits)
+	MOVQ R12, R14
+	MOVQ DI, CX
+	SHRQ CL, R14
+
+	// v3 := table[val0&mask]
+	MOVW (R10)(R14*2), CX
+
+	// br1.advance(uint8(v3.entry)
+	MOVB   CH, AL
+	SHLQ   CL, R12
+	ADDB   CL, R13
+	BSWAPL AX
+
+	// these four writes get coalesced
+	// out[id * dstEvery + 0] = uint8(v0.entry >> 8)
+	// 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, (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 (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_fill2:
+	// val0 := br2.peekTopBits(peekBits)
+	MOVQ R12, R14
+	MOVQ DI, CX
+	SHRQ CL, R14
+
+	// v0 := table[val0&mask]
+	MOVW (R10)(R14*2), CX
+
+	// br2.advance(uint8(v0.entry)
+	MOVB CH, AL
+	SHLQ CL, R12
+	ADDB CL, R13
+
+	// val1 := br2.peekTopBits(peekBits)
+	MOVQ R12, R14
+	MOVQ DI, CX
+	SHRQ CL, R14
+
+	// v1 := table[val0&mask]
+	MOVW (R10)(R14*2), CX
+
+	// br2.advance(uint8(v1.entry)
+	MOVB   CH, AH
+	SHLQ   CL, R12
+	ADDB   CL, R13
+	BSWAPL AX
+
+	// val2 := br2.peekTopBits(peekBits)
+	MOVQ R12, R14
+	MOVQ DI, CX
+	SHRQ CL, R14
+
+	// v2 := table[val0&mask]
+	MOVW (R10)(R14*2), CX
+
+	// br2.advance(uint8(v2.entry)
+	MOVB CH, AH
+	SHLQ CL, R12
+	ADDB CL, R13
+
+	// val3 := br2.peekTopBits(peekBits)
+	MOVQ R12, R14
+	MOVQ DI, CX
+	SHRQ CL, R14
+
+	// v3 := table[val0&mask]
+	MOVW (R10)(R14*2), CX
+
+	// br2.advance(uint8(v3.entry)
+	MOVB   CH, AL
+	SHLQ   CL, R12
+	ADDB   CL, R13
+	BSWAPL AX
+
+	// these four writes get coalesced
+	// out[id * dstEvery + 0] = uint8(v0.entry >> 8)
+	// 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, (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 (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_fill3:
+	// val0 := br3.peekTopBits(peekBits)
+	MOVQ R12, R14
+	MOVQ DI, CX
+	SHRQ CL, R14
+
+	// v0 := table[val0&mask]
+	MOVW (R10)(R14*2), CX
+
+	// br3.advance(uint8(v0.entry)
+	MOVB CH, AL
+	SHLQ CL, R12
+	ADDB CL, R13
+
+	// val1 := br3.peekTopBits(peekBits)
+	MOVQ R12, R14
+	MOVQ DI, CX
+	SHRQ CL, R14
+
+	// v1 := table[val0&mask]
+	MOVW (R10)(R14*2), CX
+
+	// br3.advance(uint8(v1.entry)
+	MOVB   CH, AH
+	SHLQ   CL, R12
+	ADDB   CL, R13
+	BSWAPL AX
+
+	// val2 := br3.peekTopBits(peekBits)
+	MOVQ R12, R14
+	MOVQ DI, CX
+	SHRQ CL, R14
+
+	// v2 := table[val0&mask]
+	MOVW (R10)(R14*2), CX
+
+	// br3.advance(uint8(v2.entry)
+	MOVB CH, AH
+	SHLQ CL, R12
+	ADDB CL, R13
+
+	// val3 := br3.peekTopBits(peekBits)
+	MOVQ R12, R14
+	MOVQ DI, CX
+	SHRQ CL, R14
+
+	// v3 := table[val0&mask]
+	MOVW (R10)(R14*2), CX
+
+	// br3.advance(uint8(v3.entry)
+	MOVB   CH, AL
+	SHLQ   CL, R12
+	ADDB   CL, R13
+	BSWAPL AX
+
+	// these four writes get coalesced
+	// out[id * dstEvery + 0] = uint8(v0.entry >> 8)
+	// 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, (R8)
+
+	// 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
+	SUBQ  16(AX), BX
+	SHLQ  $0x02, BX
+	MOVQ  BX, 40(AX)
+	RET
+
+// func decompress1x_main_loop_amd64(ctx *decompress1xContext)
+TEXT ·decompress1x_main_loop_amd64(SB), $0-8
+	MOVQ    ctx+0(FP), CX
+	MOVQ    16(CX), DX
+	MOVQ    24(CX), BX
+	CMPQ    BX, $0x04
+	JB      error_max_decoded_size_exeeded
+	LEAQ    (DX)(BX*1), BX
+	MOVQ    (CX), SI
+	MOVQ    (SI), R8
+	MOVQ    24(SI), R9
+	MOVQ    32(SI), R10
+	MOVBQZX 40(SI), R11
+	MOVQ    32(CX), SI
+	MOVBQZX 8(CX), DI
+	JMP     loop_condition
+
+main_loop:
+	// Check if we have room for 4 bytes in the output buffer
+	LEAQ 4(DX), CX
+	CMPQ CX, BX
+	JGE  error_max_decoded_size_exeeded
+
+	// Decode 4 values
+	CMPQ R11, $0x20
+	JL   bitReader_fillFast_1_end
+	SUBQ $0x20, R11
+	SUBQ $0x04, R9
+	MOVL (R8)(R9*1), R12
+	MOVQ R11, CX
+	SHLQ CL, R12
+	ORQ  R12, R10
+
+bitReader_fillFast_1_end:
+	MOVQ    DI, CX
+	MOVQ    R10, R12
+	SHRQ    CL, R12
+	MOVW    (SI)(R12*2), CX
+	MOVB    CH, AL
+	MOVBQZX CL, CX
+	ADDQ    CX, R11
+	SHLQ    CL, R10
+	MOVQ    DI, CX
+	MOVQ    R10, R12
+	SHRQ    CL, R12
+	MOVW    (SI)(R12*2), CX
+	MOVB    CH, AH
+	MOVBQZX CL, CX
+	ADDQ    CX, R11
+	SHLQ    CL, R10
+	BSWAPL  AX
+	CMPQ    R11, $0x20
+	JL      bitReader_fillFast_2_end
+	SUBQ    $0x20, R11
+	SUBQ    $0x04, R9
+	MOVL    (R8)(R9*1), R12
+	MOVQ    R11, CX
+	SHLQ    CL, R12
+	ORQ     R12, R10
+
+bitReader_fillFast_2_end:
+	MOVQ    DI, CX
+	MOVQ    R10, R12
+	SHRQ    CL, R12
+	MOVW    (SI)(R12*2), CX
+	MOVB    CH, AH
+	MOVBQZX CL, CX
+	ADDQ    CX, R11
+	SHLQ    CL, R10
+	MOVQ    DI, CX
+	MOVQ    R10, R12
+	SHRQ    CL, R12
+	MOVW    (SI)(R12*2), CX
+	MOVB    CH, AL
+	MOVBQZX CL, CX
+	ADDQ    CX, R11
+	SHLQ    CL, R10
+	BSWAPL  AX
+
+	// Store the decoded values
+	MOVL AX, (DX)
+	ADDQ $0x04, DX
+
+loop_condition:
+	CMPQ R9, $0x08
+	JGE  main_loop
+
+	// Update ctx structure
+	MOVQ ctx+0(FP), AX
+	SUBQ 16(AX), DX
+	MOVQ DX, 40(AX)
+	MOVQ (AX), AX
+	MOVQ R9, 24(AX)
+	MOVQ R10, 32(AX)
+	MOVB R11, 40(AX)
+	RET
+
+	// Report error
+error_max_decoded_size_exeeded:
+	MOVQ ctx+0(FP), AX
+	MOVQ $-1, CX
+	MOVQ CX, 40(AX)
+	RET
+
+// func decompress1x_main_loop_bmi2(ctx *decompress1xContext)
+// Requires: BMI2
+TEXT ·decompress1x_main_loop_bmi2(SB), $0-8
+	MOVQ    ctx+0(FP), CX
+	MOVQ    16(CX), DX
+	MOVQ    24(CX), BX
+	CMPQ    BX, $0x04
+	JB      error_max_decoded_size_exeeded
+	LEAQ    (DX)(BX*1), BX
+	MOVQ    (CX), SI
+	MOVQ    (SI), R8
+	MOVQ    24(SI), R9
+	MOVQ    32(SI), R10
+	MOVBQZX 40(SI), R11
+	MOVQ    32(CX), SI
+	MOVBQZX 8(CX), DI
+	JMP     loop_condition
+
+main_loop:
+	// Check if we have room for 4 bytes in the output buffer
+	LEAQ 4(DX), CX
+	CMPQ CX, BX
+	JGE  error_max_decoded_size_exeeded
+
+	// Decode 4 values
+	CMPQ  R11, $0x20
+	JL    bitReader_fillFast_1_end
+	SUBQ  $0x20, R11
+	SUBQ  $0x04, R9
+	MOVL  (R8)(R9*1), CX
+	SHLXQ R11, CX, CX
+	ORQ   CX, R10
+
+bitReader_fillFast_1_end:
+	SHRXQ   DI, R10, CX
+	MOVW    (SI)(CX*2), CX
+	MOVB    CH, AL
+	MOVBQZX CL, CX
+	ADDQ    CX, R11
+	SHLXQ   CX, R10, R10
+	SHRXQ   DI, R10, CX
+	MOVW    (SI)(CX*2), CX
+	MOVB    CH, AH
+	MOVBQZX CL, CX
+	ADDQ    CX, R11
+	SHLXQ   CX, R10, R10
+	BSWAPL  AX
+	CMPQ    R11, $0x20
+	JL      bitReader_fillFast_2_end
+	SUBQ    $0x20, R11
+	SUBQ    $0x04, R9
+	MOVL    (R8)(R9*1), CX
+	SHLXQ   R11, CX, CX
+	ORQ     CX, R10
+
+bitReader_fillFast_2_end:
+	SHRXQ   DI, R10, CX
+	MOVW    (SI)(CX*2), CX
+	MOVB    CH, AH
+	MOVBQZX CL, CX
+	ADDQ    CX, R11
+	SHLXQ   CX, R10, R10
+	SHRXQ   DI, R10, CX
+	MOVW    (SI)(CX*2), CX
+	MOVB    CH, AL
+	MOVBQZX CL, CX
+	ADDQ    CX, R11
+	SHLXQ   CX, R10, R10
+	BSWAPL  AX
+
+	// Store the decoded values
+	MOVL AX, (DX)
+	ADDQ $0x04, DX
+
+loop_condition:
+	CMPQ R9, $0x08
+	JGE  main_loop
+
+	// Update ctx structure
+	MOVQ ctx+0(FP), AX
+	SUBQ 16(AX), DX
+	MOVQ DX, 40(AX)
+	MOVQ (AX), AX
+	MOVQ R9, 24(AX)
+	MOVQ R10, 32(AX)
+	MOVB R11, 40(AX)
+	RET
+
+	// Report error
+error_max_decoded_size_exeeded:
+	MOVQ ctx+0(FP), AX
+	MOVQ $-1, CX
+	MOVQ CX, 40(AX)
+	RET