t = r ^ uint32(k0>>32)
	l ^= feistelBox[7][t&0x3f] ^
		feistelBox[5][(t>>8)&0x3f] ^
		feistelBox[3][(t>>16)&0x3f] ^
		feistelBox[1][(t>>24)&0x3f]

	t = ((r << 28) | (r >> 4)) ^ uint32(k0)
	l ^= feistelBox[6][(t)&0x3f] ^
		feistelBox[4][(t>>8)&0x3f] ^
		feistelBox[2][(t>>16)&0x3f] ^
		feistelBox[0][(t>>24)&0x3f]

	t = l ^ uint32(k1>>32)
	r ^= feistelBox[7][t&0x3f] ^
		feistelBox[5][(t>>8)&0x3f] ^

        final int i = ((inData[inIndex] & 0xff) << 16) + ((inData[inIndex + 1] & 0xff) << 8) + (inData[inIndex + 2] & 0xff);
        outData[outIndex] = ENCODE_TABLE[i >> 18];
        outData[outIndex + 1] = ENCODE_TABLE[i >> 12 & 0x3f];
        outData[outIndex + 2] = ENCODE_TABLE[i >> 6 & 0x3f];
        outData[outIndex + 3] = ENCODE_TABLE[i & 0x3f];
    }

	CBZ	R5, not_equal
	BNE	chunk64_loop
	AND	$0x3f, R2, R2
	CBZ	R2, equal
chunk16:
	// work with 16-byte chunks
	BIC	$0xf, R2, R3
	CBZ	R3, tail
	ADD	R3, R0, R6	// end of chunks
chunk16_loop:
	LDP.P	16(R0), (R4, R5)
	LDP.P	16(R1), (R7, R9)
	EOR	R4, R7
	CBNZ	R7, not_equal
	EOR	R5, R9
	CBNZ	R9, not_equal
	CMP	R0, R6
	BNE	chunk16_loop
	AND	$0xf, R2, R2
	CBZ	R2, equal
tail:

            } else {
                if (ch <= 0x7F) {
                    escapeByte(ch, builder);
                } else if (ch <= 0x7FF) {
                    escapeByte(0xC0 | (ch >> 6) & 0x1F, builder);
                    escapeByte(0x80 | ch & 0x3F, builder);
                } else {
                    escapeByte(0xE0 | (ch >> 12) & 0x1F, builder);
                    escapeByte(0x80 | (ch >> 6) & 0x3F, builder);

	BYTE $0x30; BYTE $0x31; BYTE $0x1a; BYTE $0x33
	BYTE $0x34; BYTE $0x35; BYTE $0x36; BYTE $0x08
	BYTE $0x38; BYTE $0x39; BYTE $0x3a; BYTE $0x3b
	BYTE $0x04; BYTE $0x14; BYTE $0x3e; BYTE $0xff
	BYTE $0x41; BYTE $0xaa; BYTE $0x4a; BYTE $0xb1
	BYTE $0x9f; BYTE $0xb2; BYTE $0x6a; BYTE $0xb5
	BYTE $0xbb; BYTE $0xb4; BYTE $0x9a; BYTE $0x8a
	BYTE $0xb0; BYTE $0xca; BYTE $0xaf; BYTE $0xbc

	// ppc64x: -"CLRLSLDI", "RLWNM\t[$]15, R[0-9]+, [$]21, [$]28, R[0-9]+"
	b[1] = b[(v>>20)&0xFF]
	// ppc64x: "RLWNM", -"SLD"
	b[2] = b[((uint64((uint32(v) >> 21)) & 0x3f) << 4)]
	// ppc64x: "RLWNM\t[$]11, R[0-9]+, [$]10, [$]15"
	c[0] = c[((v>>5)&0x3F)<<16]
	// ppc64x: "RLWNM\t[$]0, R[0-9]+, [$]19, [$]24"
	c[1] = c[((v>>7)&0x3F)<<7]
}

func checkShiftMask(a uint32, b uint64, z []uint32, y []uint64) {
	_ = y[128]

	0x8c, 0x15, 0xde, 0x44, 0xed, 0x19, 0x69, 0x7d, 0xd2, 0x35, 0xff, 0xc6, 0x78, 0xe4, 0xb4, 0x67,
	0xc4, 0xe9, 0x6c, 0x8c, 0xfb, 0x99, 0x29, 0x9b, 0x3e, 0x28, 0x76, 0x26, 0x43, 0x67, 0xe9, 0x7b,
	0x6d, 0xcd, 0x0f, 0xcd, 0x76, 0xf3, 0xb7, 0xdf, 0x9d, 0xca, 0xd3, 0xbf, 0x7b, 0x15, 0x7f, 0xf7,
	0xec, 0xbc, 0x5b, 0x79, 0x76, 0xde, 0xad, 0x3c, 0x3f, 0xef, 0x56, 0x9e, 0x8e, 0xbb, 0xd6, 0xd9,

	ELOOP           = syscall.Errno(0x3e)
	EMEDIUMTYPE     = syscall.Errno(0x7e)
	EMSGSIZE        = syscall.Errno(0x28)
	EMULTIHOP       = syscall.Errno(0x57)
	ENAMETOOLONG    = syscall.Errno(0x3f)
	ENAVAIL         = syscall.Errno(0x77)
	ENETDOWN        = syscall.Errno(0x32)
	ENETRESET       = syscall.Errno(0x34)
	ENETUNREACH     = syscall.Errno(0x33)
	ENOANO          = syscall.Errno(0x69)

// trailing CCC shifted left 2 bits. The two least-significant bits of tccc
// are the number of trailing non-starters.

const (
	qcInfoMask      = 0x3F // to clear all but the relevant bits in a qcInfo
	headerLenMask   = 0x3F // extract the length value from the header byte
	headerFlagsMask = 0xC0 // extract the qcInfo bits from the header byte
)

	0x42, 0x33, 0x3b, 0xfb, 0xa7, 0x89, 0x2d, 0x42, 0xc3, 0x29, 0xfb, 0xfe, 0xfc, 0x7e, 0xef, 0xe5,
	0xf7, 0xf6, 0xbd, 0x35, 0xf8, 0x70, 0xbc, 0x2b, 0x3c, 0xca, 0x7d, 0x1c, 0x52, 0x1f, 0x0f, 0xa6,
	0x54, 0x08, 0xca, 0x99, 0x3f, 0xdb, 0xf6, 0x87, 0x84, 0x91, 0x08, 0x4b, 0x32, 0xf0, 0xc2, 0x88,
	0x4b, 0x0e, 0xef, 0x25, 0x89, 0x1e, 0x0e, 0xa9, 0x97, 0x25, 0x7a, 0xb3, 0xed, 0xf6, 0xc3, 0x21,