return instr&0x1f0000 != 0x1f0000 && instr&0xe000 != 0xe000 && instr&0x3e0 != 0x3e0 && (instr>>5)&0x1f == (instr>>16)&0x1f
}

func cneg_csneg_32_condsel_cond(instr uint32) bool {
	return instr&0xe000 != 0xe000 && (instr>>5)&0x1f == (instr>>16)&0x1f
}

func cneg_csneg_64_condsel_cond(instr uint32) bool {
	return instr&0xe000 != 0xe000 && (instr>>5)&0x1f == (instr>>16)&0x1f
}

import (
	"internal/filepathlite"
	"syscall"
	"time"
)

// These constants aren't in the syscall package, which is frozen.
// Values taken from golang.org/x/sys/unix.
const (
	_S_IFNAM  = 0x5000
	_S_IFDOOR = 0xd000
	_S_IFPORT = 0xe000
)

func fillFileStatFromSys(fs *fileStat, name string) {
	fs.name = filepathlite.Base(name)
	fs.size = fs.sys.Size
	fs.modTime = time.Unix(fs.sys.Mtim.Unix())

			{".debug_info", 0xe22, 0xb000, 0x1000, 0x2400, 0x0, 0x0, 0x0, 0x0, 0x42100000},
			{".debug_abbrev", 0x157, 0xc000, 0x200, 0x3400, 0x0, 0x0, 0x0, 0x0, 0x42100000},
			{".debug_line", 0x144, 0xd000, 0x200, 0x3600, 0x0, 0x0, 0x0, 0x0, 0x42100000},
			{".debug_frame", 0x34, 0xe000, 0x200, 0x3800, 0x0, 0x0, 0x0, 0x0, 0x42300000},
			{".debug_loc", 0x38, 0xf000, 0x200, 0x3a00, 0x0, 0x0, 0x0, 0x0, 0x42100000},

}

var encodeTests = []encodeTest{
	{[]rune{1, 2, 3, 4}, []uint16{1, 2, 3, 4}},
	{[]rune{0xffff, 0x10000, 0x10001, 0x12345, 0x10ffff},
		[]uint16{0xffff, 0xd800, 0xdc00, 0xd800, 0xdc01, 0xd808, 0xdf45, 0xdbff, 0xdfff}},
	{[]rune{'a', 'b', 0xd7ff, 0xd800, 0xdfff, 0xe000, 0x110000, -1},
		[]uint16{'a', 'b', 0xd7ff, 0xfffd, 0xfffd, 0xe000, 0xfffd, 0xfffd}},
}

func TestEncode(t *testing.T) {
	for _, tt := range encodeTests {

	indexShift   = 3
	xorBit       = 0x4    // interpret the index as an xor pattern
	inlineXOR    = 0xE000 // These bits are set if the XOR pattern is inlined.

	joinShift = 8
	joinMask  = 0x07

	// Attributes
	attributesMask = 0x1800
	viramaModifier = 0x1800
	modifier       = 0x1000
	rtl            = 0x0800

	mayNeedNorm = 0x2000
)

// A category corresponds to a category defined in the IDNA mapping table.

	maxRune         = '\U0010FFFF' // Maximum valid Unicode code point.
)

const (
	// 0xd800-0xdc00 encodes the high 10 bits of a pair.
	// 0xdc00-0xe000 encodes the low 10 bits of a pair.
	// the value is those 20 bits plus 0x10000.
	surr1 = 0xd800
	surr2 = 0xdc00
	surr3 = 0xe000

	surrSelf = 0x10000
)

// IsSurrogate reports whether the specified Unicode code point
// can appear in a surrogate pair.

//
// See go.dev/issues/59971 for more info.

package syscall

import (
	"unicode/utf16"
	"unicode/utf8"
)

const (
	surr1 = 0xd800
	surr2 = 0xdc00
	surr3 = 0xe000

	tx    = 0b10000000
	t3    = 0b11100000
	maskx = 0b00111111
	mask3 = 0b00001111

	rune1Max = 1<<7 - 1
	rune2Max = 1<<11 - 1
)

// encodeWTF16 returns the potentially ill-formed

        char c;
        for (int i = 0; i < in.length(); i++) {
            c = in.charAt(i);
            if (c == 0x9 || c == 0xA || c == 0xD || c >= 0x20 && c <= 0xD7FF || c >= 0xE000 && c <= 0xFFFD
                    || c >= 0x10000 && c <= 0x10FFFF) {
                buf.append(c);
            }
        }
        return buf.toString().trim();
    }

}

var utf8map = []Utf8Map{
	{0x0000, "\x00"},
	{0x0001, "\x01"},
	{0x007e, "\x7e"},
	{0x007f, "\x7f"},
	{0x0080, "\xc2\x80"},
	{0x0081, "\xc2\x81"},
	{0x00bf, "\xc2\xbf"},
	{0x00c0, "\xc3\x80"},
	{0x00c1, "\xc3\x81"},
	{0x00c8, "\xc3\x88"},
	{0x00d0, "\xc3\x90"},
	{0x00e0, "\xc3\xa0"},
	{0x00f0, "\xc3\xb0"},
	{0x00f8, "\xc3\xb8"},
	{0x00ff, "\xc3\xbf"},
	{0x0100, "\xc4\x80"},
	{0x07ff, "\xdf\xbf"},

	return 'a' <= r && r <= 'z' ||
		'A' <= r && r <= 'Z' ||
		'0' <= r && r <= '9' ||
		r == '-' ||
		r == '_' ||
		// Non-ASCII cases below.
		0x80 <= r && r <= 0xd7ff ||
		0xe000 <= r && r <= 0xfffd ||
		0x10000 <= r && r <= 0x10ffff
}

// decodeCSS decodes CSS3 escapes given a sequence of stringchars.
// If there is no change, it returns the input, otherwise it returns a slice
// backed by a new array.